Script started on 2024-09-28 00:04:00+00:00 [TERM="xterm-256color" TTY="/dev/pts/0" COLUMNS="-1" LINES="-1"]
P;HTML|
;           (set_option_value  prolog false)

P;HTML|
;           (set_option_value  compat auto)

P;HTML|
;           (set_option_value  compatio true)
P;HTML|
;            (is_cmd_option  prescan halt --halt=true true)
P;HTML|
;            (set_option_value  halt true)
P;HTML|
;            (is_cmd_option  prescan stdin --stdin=tty tty)
P;HTML|
;             (set_option_value  stdin tty)
P;HTML|
;            (is_cmd_option  prescan stdout --stdout=tty tty)
P;HTML|
;             (set_option_value  stdout tty)
P;HTML|
;            (is_cmd_option  prescan stderr --stderr=tty tty)
P;HTML|
;             (set_option_value  stderr tty)
P;HTML|
;            (set_option_value  prolog false)
P;HTML|
;            (set_option_value  compat auto)
P;HTML|
;            (set_option_value  compatio true)
P;HTML|
;          (is_cmd_option  execute python --python=enable enable)
P;HTML|
;           (set_option_value  python enable)
P;HTML|
;          (is_cmd_option  execute timeout --timeout=40 40)
P;HTML|
;           (set_option_value  timeout 40)
P;HTML|
;           (is_cmd_option  execute output --output=./reports/tests_output/baseline-compat/ ./reports/tests_output/baseline-compat/)
P;HTML|
;           (set_option_value  output ./reports/tests_output/baseline-compat/)
P;HTML|
;           (is_cmd_option  execute html --html true)
P;HTML|
;            (set_option_value  html true)
P;HTML|
;           (is_cmd_option  execute test --test true)
P;HTML|
;            (set_option_value  test true)

; (load_metta_file  &self tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta)
P;HTML|
;                         (track_load_into_file  /home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta)
; (%COMMENT  ";;         4. Type checking: (: TERM TYPE)" 32 0) ; line: 159 
; Done translating 29 forms: asserted_metta_pred(me_synthesize_1727481845_7772079,'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta').


  (failed  once fail)




  (failed  once fail)


^  Call: (171) [user] call(user:once, user:fail)
^  Call: (172) [user] once(user:fail)
   Call: (173) [system] fail
^  Fail: (171) [system] call(user:once, user:fail)
^  Call: (171) [bugger] bugger:mquietly_if(true, rtrace:pop_tracer)
   Call: (173) [system] var(rtrace:pop_tracer)
   Fail: (173) [system] var(rtrace:pop_tracer)
^  Call: (175) [system] setup_call_cleanup('$notrace'(_39200, _39202), once(rtrace:retract(t_l:tracer_reset(_39190))), '$restore_trace'(_39200, _39202))
^  Call: (176) [system] sig_atomic(system:'$notrace'(_39200, _39202))
^  Exit: (175) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(rtrace:retract(t_l:tracer_reset(tAt_normal))), system:'$restore_trace'(3, -1))
^  Call: (175) [rtrace] tAt(false, 271, 271, false)


  (failed  once 
    (convert_metta_to_datalog  /home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta $_2360))




  (failed  once 
    (convert_metta_to_datalog  /home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta $_2360))


^  Call: (158) [user] call(user:once, user:convert_metta_to_datalog(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta', _2360))
^  Call: (159) [user] once(user:convert_metta_to_datalog(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta', _2360))
^  Call: (160) [user] convert_metta_to_datalog(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta', _2360)
^  Call: (161) [user] ignore(symbol_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta', '.datalog', _2360))
^  Call: (162) [user] symbol_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta', '.datalog', _2360)
   Call: (163) [system] atom_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta', '.datalog', _2360)
   Exit: (163) [system] atom_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta', '.datalog', '/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta.datalog')
^  Exit: (162) [user] symbol_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta', '.datalog', '/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta.datalog')
^  Exit: (161) [system] ignore(user:symbol_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta', '.datalog', '/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta.datalog'))
^  Call: (161) [user] setup_call_cleanup(open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta', read, _104212, [encoding(utf8)]), setup_call_cleanup(open('/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta.datalog', write, _104240, [encoding(utf8)]), must_det_ll(translate_metta_file_to_datalog_io(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta', _104212, _104240)), close(_104240)), close(_104212))
^  Call: (162) [system] sig_atomic(user:open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta', read, _104212, [encoding(utf8)]))
   Call: (164) [system] open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta', read, _104212, [encoding(utf8)])
   Exit: (164) [system] open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta', read, (0x55772f068e50), [encoding(utf8)])
^  Exit: (162) [system] sig_atomic(user:open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta', read, (0x55772f068e50), [encoding(utf8)]))
^  Call: (162) [user] setup_call_cleanup(open('/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta.datalog', write, _104240, [encoding(utf8)]), must_det_ll(translate_metta_file_to_datalog_io(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta', (0x55772f068e50), _104240)), close(_104240))
^  Call: (163) [system] sig_atomic(user:open('/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta.datalog', write, _104240, [encoding(utf8)]))
   Call: (165) [system] open('/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta.datalog', write, _104240, [encoding(utf8)])
   Exit: (165) [system] open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta.datalog', write, (0x55772f06bcd0), [encoding(utf8)])
^  Exit: (163) [system] sig_atomic(user:open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta.datalog', write, (0x55772f06bcd0), [encoding(utf8)]))
^  Call: (163) [user] must_det_ll(translate_metta_file_to_datalog_io(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta', (0x55772f068e50), (0x55772f06bcd0)))
^  Call: (164) [user] once(user:translate_metta_file_to_datalog_io(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta', (0x55772f068e50), (0x55772f06bcd0)))
^  Call: (165) [user] translate_metta_file_to_datalog_io(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta', (0x55772f068e50), (0x55772f06bcd0))
^  Call: (166) [user] may_use_datalog
^  Exit: (166) [user] may_use_datalog
^  Call: (166) [user] must_det_ll(notrace((write((0x55772f06bcd0), '/* '), write((0x55772f06bcd0), P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta'), writeln((0x55772f06bcd0), ' */'), get_time(_165226), stamp_date_time(_165226, _165238, 'UTC'), format_time(string(_165258), '%FT%T%z', _165238), write((0x55772f06bcd0), '/* '), write((0x55772f06bcd0), _165258), writeln((0x55772f06bcd0), ' */'))))
^  Call: (167) [user] once(user:notrace((write((0x55772f06bcd0), '/* '), write((0x55772f06bcd0), P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta'), writeln((0x55772f06bcd0), ' */'), get_time(_165226), stamp_date_time(_165226, _165238, 'UTC'), format_time(string(_165258), '%FT%T%z', _165238), write((0x55772f06bcd0), '/* '), write((0x55772f06bcd0), _165258), writeln((0x55772f06bcd0), ' */'))))
^  Call: (169) [system] setup_call_cleanup('$notrace'(_174974, _174976), once(user:(write((0x55772f06bcd0), '/* '), write((0x55772f06bcd0), P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta'), writeln((0x55772f06bcd0), ' */'), get_time(_165226), stamp_date_time(_165226, _165238, 'UTC'), format_time(string(_165258), '%FT%T%z', _165238), write((0x55772f06bcd0), '/* '), write((0x55772f06bcd0), _165258), writeln((0x55772f06bcd0), ' */'))), '$restore_trace'(_174974, _174976))
^  Call: (170) [system] sig_atomic(system:'$notrace'(_174974, _174976))
^  Exit: (169) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:(write((0x55772f06bcd0), '/* '), write((0x55772f06bcd0), P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta'), writeln((0x55772f06bcd0), ' */'), get_time(1727481849.951376), stamp_date_time(1727481849.951376, date(2024, 9, 28, 0, 4, 9.951375961, 0, 'UTC', -), 'UTC'), format_time(string("2024-09-28T00:04:09+0000"), '%FT%T%z', date(2024, 9, 28, 0, 4, 9.951375961, 0, 'UTC', -)), write((0x55772f06bcd0), '/* '), write((0x55772f06bcd0), "2024-09-28T00:04:09+0000"), writeln((0x55772f06bcd0), ' */'))), system:'$restore_trace'(3, -1))
^  Exit: (167) [system] once(user:notrace((write((0x55772f06bcd0), '/* '), write((0x55772f06bcd0), P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta'), writeln((0x55772f06bcd0), ' */'), get_time(1727481849.951376), stamp_date_time(1727481849.951376, date(2024, 9, 28, 0, 4, 9.951375961, 0, 'UTC', -), 'UTC'), format_time(string("2024-09-28T00:04:09+0000"), '%FT%T%z', date(2024, 9, 28, 0, 4, 9.951375961, 0, 'UTC', -)), write((0x55772f06bcd0), '/* '), write((0x55772f06bcd0), "2024-09-28T00:04:09+0000"), writeln((0x55772f06bcd0), ' */'))))
^  Exit: (166) [user] must_det_ll(user:notrace((write((0x55772f06bcd0), '/* '), write((0x55772f06bcd0), P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta'), writeln((0x55772f06bcd0), ' */'), get_time(1727481849.951376), stamp_date_time(1727481849.951376, date(2024, 9, 28, 0, 4, 9.951375961, 0, 'UTC', -), 'UTC'), format_time(string("2024-09-28T00:04:09+0000"), '%FT%T%z', date(2024, 9, 28, 0, 4, 9.951375961, 0, 'UTC', -)), write((0x55772f06bcd0), '/* '), write((0x55772f06bcd0), "2024-09-28T00:04:09+0000"), writeln((0x55772f06bcd0), ' */'))))
^  Call: (166) [user] must_det_ll(filename_to_mangled_pred(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta', _195346))
^  Call: (167) [user] once(user:filename_to_mangled_pred(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta', _195346))
^  Call: (168) [user] filename_to_mangled_pred(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta', _195346)
   Call: (169) [system] get_time(_209860)
   Exit: (169) [system] get_time(1727481849.9551582)
^  Call: (169) [user] symbolic_list_concat([data, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta', 1727481849.9551582], '_', _211734)
   Call: (170) [system] atomic_list_concat([data, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta', 1727481849.9551582], '_', _211734)
   Exit: (170) [system] atomic_list_concat([data, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta', 1727481849.9551582], '_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta_1727481849.9551582')
^  Exit: (169) [user] symbolic_list_concat([data, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta', 1727481849.9551582], '_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta_1727481849.9551582')
   Call: (169) [system] _231096=['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_']
   Exit: (169) [system] ['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_']=['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_']
^  Call: (169) [user] atom_subst('data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta_1727481849.9551582', ['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], _233038)
^  Call: (170) [user] apply:foldl(replace_in_symbol, ['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta_1727481849.9551582', _233038)
   Call: (171) [apply] apply:foldl_(['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta_1727481849.9551582', _233038)
^  Call: (172) [user] replace_in_symbol('.metta_'-'_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta_1727481849.9551582', _235856)
^  Call: (173) [user] symbolic_list_concat(_236790, '.metta_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta_1727481849.9551582')
   Call: (174) [system] atomic_list_concat(_236790, '.metta_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta_1727481849.9551582')
   Exit: (174) [system] atomic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize', '1727481849.9551582'], '.metta_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta_1727481849.9551582')
^  Exit: (173) [user] symbolic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize', '1727481849.9551582'], '.metta_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta_1727481849.9551582')
^  Call: (173) [user] symbolic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize', '1727481849.9551582'], '_', _235856)
   Call: (174) [system] atomic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize', '1727481849.9551582'], '_', _235856)
   Exit: (174) [system] atomic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize', '1727481849.9551582'], '_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_1727481849.9551582')
^  Exit: (173) [user] symbolic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize', '1727481849.9551582'], '_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_1727481849.9551582')
^  Exit: (172) [user] replace_in_symbol('.metta_'-'_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta_1727481849.9551582', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_1727481849.9551582')
   Call: (172) [apply] apply:foldl_(['_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_1727481849.9551582', _233038)
^  Call: (173) [user] replace_in_symbol('_1710'-'_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_1727481849.9551582', _246128)
^  Call: (174) [user] symbolic_list_concat(_247062, '_1710', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_1727481849.9551582')
   Call: (175) [system] atomic_list_concat(_247062, '_1710', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_1727481849.9551582')
   Exit: (175) [system] atomic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_1727481849.9551582'], '_1710', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_1727481849.9551582')
^  Exit: (174) [user] symbolic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_1727481849.9551582'], '_1710', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_1727481849.9551582')
^  Call: (174) [user] symbolic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_1727481849.9551582'], '_', _246128)
   Call: (175) [system] atomic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_1727481849.9551582'], '_', _246128)
   Exit: (175) [system] atomic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_1727481849.9551582'], '_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_1727481849.9551582')
^  Exit: (174) [user] symbolic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_1727481849.9551582'], '_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_1727481849.9551582')
^  Exit: (173) [user] replace_in_symbol('_1710'-'_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_1727481849.9551582', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_1727481849.9551582')
   Call: (173) [apply] apply:foldl_([(/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_1727481849.9551582', _233038)
^  Call: (174) [user] replace_in_symbol((/)-'_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_1727481849.9551582', _256394)
^  Call: (175) [user] symbolic_list_concat(_257328, /, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_1727481849.9551582')
   Call: (176) [system] atomic_list_concat(_257328, /, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_1727481849.9551582')
   Exit: (176) [system] atomic_list_concat([data_, home, runner, work, 'metta-wam', 'metta-wam', tests, baseline_compat, 'hyperon-mettalog_sanity', synth_buffer, 'time_synthesize_1727481849.9551582'], /, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_1727481849.9551582')
^  Exit: (175) [user] symbolic_list_concat([data_, home, runner, work, 'metta-wam', 'metta-wam', tests, baseline_compat, 'hyperon-mettalog_sanity', synth_buffer, 'time_synthesize_1727481849.9551582'], /, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_1727481849.9551582')
^  Call: (175) [user] symbolic_list_concat([data_, home, runner, work, 'metta-wam', 'metta-wam', tests, baseline_compat, 'hyperon-mettalog_sanity', synth_buffer, 'time_synthesize_1727481849.9551582'], '_', _256394)
   Call: (176) [system] atomic_list_concat([data_, home, runner, work, 'metta-wam', 'metta-wam', tests, baseline_compat, 'hyperon-mettalog_sanity', synth_buffer, 'time_synthesize_1727481849.9551582'], '_', _256394)
   Exit: (176) [system] atomic_list_concat([data_, home, runner, work, 'metta-wam', 'metta-wam', tests, baseline_compat, 'hyperon-mettalog_sanity', synth_buffer, 'time_synthesize_1727481849.9551582'], '_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849.9551582')
^  Exit: (175) [user] symbolic_list_concat([data_, home, runner, work, 'metta-wam', 'metta-wam', tests, baseline_compat, 'hyperon-mettalog_sanity', synth_buffer, 'time_synthesize_1727481849.9551582'], '_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849.9551582')
^  Exit: (174) [user] replace_in_symbol((/)-'_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_1727481849.9551582', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849.9551582')
   Call: (174) [apply] apply:foldl_([(/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849.9551582', _233038)
^  Call: (175) [user] replace_in_symbol((/)-'_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849.9551582', _266720)
^  Call: (176) [user] symbolic_list_concat(_267654, /, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849.9551582')
   Call: (177) [system] atomic_list_concat(_267654, /, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849.9551582')
   Exit: (177) [system] atomic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849.9551582'], /, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849.9551582')
^  Exit: (176) [user] symbolic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849.9551582'], /, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849.9551582')
^  Call: (176) [user] symbolic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849.9551582'], '_', _266720)
   Call: (177) [system] atomic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849.9551582'], '_', _266720)
   Exit: (177) [system] atomic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849.9551582'], '_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849.9551582')
^  Exit: (176) [user] symbolic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849.9551582'], '_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849.9551582')
^  Exit: (175) [user] replace_in_symbol((/)-'_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849.9551582', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849.9551582')
   Call: (175) [apply] apply:foldl_([('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849.9551582', _233038)
^  Call: (176) [user] replace_in_symbol(('.')-'_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849.9551582', _276986)
^  Call: (177) [user] symbolic_list_concat(_277920, '.', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849.9551582')
   Call: (178) [system] atomic_list_concat(_277920, '.', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849.9551582')
   Exit: (178) [system] atomic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849', '9551582'], '.', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849.9551582')
^  Exit: (177) [user] symbolic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849', '9551582'], '.', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849.9551582')
^  Call: (177) [user] symbolic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849', '9551582'], '_', _276986)
   Call: (178) [system] atomic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849', '9551582'], '_', _276986)
   Exit: (178) [system] atomic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849', '9551582'], '_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582')
^  Exit: (177) [user] symbolic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849', '9551582'], '_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582')
^  Exit: (176) [user] replace_in_symbol(('.')-'_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849.9551582', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582')
   Call: (176) [apply] apply:foldl_([(-)-'_', '__'-'_'], user:replace_in_symbol, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582', _233038)
^  Call: (177) [user] replace_in_symbol((-)-'_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582', _287258)
^  Call: (178) [user] symbolic_list_concat(_288192, -, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582')
   Call: (179) [system] atomic_list_concat(_288192, -, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582')
   Exit: (179) [system] atomic_list_concat([data__home_runner_work_metta, wam_metta, wam_tests_baseline_compat_hyperon, mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582], -, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582')
^  Exit: (178) [user] symbolic_list_concat([data__home_runner_work_metta, wam_metta, wam_tests_baseline_compat_hyperon, mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582], -, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582')
^  Call: (178) [user] symbolic_list_concat([data__home_runner_work_metta, wam_metta, wam_tests_baseline_compat_hyperon, mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582], '_', _287258)
   Call: (179) [system] atomic_list_concat([data__home_runner_work_metta, wam_metta, wam_tests_baseline_compat_hyperon, mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582], '_', _287258)
   Exit: (179) [system] atomic_list_concat([data__home_runner_work_metta, wam_metta, wam_tests_baseline_compat_hyperon, mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582], '_', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582)
^  Exit: (178) [user] symbolic_list_concat([data__home_runner_work_metta, wam_metta, wam_tests_baseline_compat_hyperon, mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582], '_', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582)
^  Exit: (177) [user] replace_in_symbol((-)-'_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582)
   Call: (177) [apply] apply:foldl_(['__'-'_'], user:replace_in_symbol, data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582, _233038)
^  Call: (178) [user] replace_in_symbol('__'-'_', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582, _297542)
^  Call: (179) [user] symbolic_list_concat(_298476, '__', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582)
   Call: (180) [system] atomic_list_concat(_298476, '__', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582)
   Exit: (180) [system] atomic_list_concat([data, home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582], '__', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582)
^  Exit: (179) [user] symbolic_list_concat([data, home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582], '__', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582)
^  Call: (179) [user] symbolic_list_concat([data, home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582], '_', _297542)
   Call: (180) [system] atomic_list_concat([data, home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582], '_', _297542)
   Exit: (180) [system] atomic_list_concat([data, home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582], '_', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582)
^  Exit: (179) [user] symbolic_list_concat([data, home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582], '_', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582)
^  Exit: (178) [user] replace_in_symbol('__'-'_', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582, data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582)
   Call: (178) [apply] apply:foldl_([], user:replace_in_symbol, data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582, _233038)
   Exit: (178) [apply] apply:foldl_([], user:replace_in_symbol, data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582, data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582)
   Exit: (177) [apply] apply:foldl_(['__'-'_'], user:replace_in_symbol, data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582, data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582)
   Exit: (176) [apply] apply:foldl_([(-)-'_', '__'-'_'], user:replace_in_symbol, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582)
   Exit: (175) [apply] apply:foldl_([('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849.9551582', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582)
   Exit: (174) [apply] apply:foldl_([(/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_1727481849.9551582', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582)
   Exit: (173) [apply] apply:foldl_([(/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_1727481849.9551582', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582)
   Exit: (172) [apply] apply:foldl_(['_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_1727481849.9551582', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582)
   Exit: (171) [apply] apply:foldl_(['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta_1727481849.9551582', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582)
^  Exit: (170) [apply] apply:foldl(user:replace_in_symbol, ['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta_1727481849.9551582', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582)
^  Exit: (169) [user] atom_subst('data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta_1727481849.9551582', ['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582)
^  Call: (169) [user] trim_to_last_nchars(24, data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582, _195346)
   Call: (170) [system] atom_length(data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582, _318108)
   Exit: (170) [system] atom_length(data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582, 135)
   Call: (170) [system] 135=<24
   Call: (170) [system] _320900 is 135+ -32
   Exit: (170) [system] 103 is 135+ -32
   Call: (170) [system] sub_atom(data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582, 103, 32, _322838, _195346)
   Exit: (170) [system] sub_atom(data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582, 103, 32, 0, me_synthesize_1727481849_9551582)
^  Exit: (169) [user] trim_to_last_nchars(24, data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_1727481849_9551582, me_synthesize_1727481849_9551582)
^  Exit: (168) [user] filename_to_mangled_pred(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta', me_synthesize_1727481849_9551582)
^  Exit: (167) [system] once(user:filename_to_mangled_pred(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta', me_synthesize_1727481849_9551582))
^  Exit: (166) [user] must_det_ll(user:filename_to_mangled_pred(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta', me_synthesize_1727481849_9551582))
^  Call: (166) [user] must_det_ll(mangle_iz(me_synthesize_1727481849_9551582, _340080))
^  Call: (167) [user] once(user:mangle_iz(me_synthesize_1727481849_9551582, _340080))
^  Call: (168) [user] mangle_iz(me_synthesize_1727481849_9551582, _340080)
^  Call: (169) [user] symbol_concat(me_synthesize_1727481849_9551582, '_iz', _340080)
   Call: (170) [system] atom_concat(me_synthesize_1727481849_9551582, '_iz', _340080)
   Exit: (170) [system] atom_concat(me_synthesize_1727481849_9551582, '_iz', me_synthesize_1727481849_9551582_iz)
^  Exit: (169) [user] symbol_concat(me_synthesize_1727481849_9551582, '_iz', me_synthesize_1727481849_9551582_iz)
^  Exit: (168) [user] mangle_iz(me_synthesize_1727481849_9551582, me_synthesize_1727481849_9551582_iz)
^  Exit: (167) [system] once(user:mangle_iz(me_synthesize_1727481849_9551582, me_synthesize_1727481849_9551582_iz))
^  Exit: (166) [user] must_det_ll(user:mangle_iz(me_synthesize_1727481849_9551582, me_synthesize_1727481849_9551582_iz))
^  Call: (166) [user] must_det_ll(notrace((format((0x55772f06bcd0), ':- style_check(-singleton). ~n', []), format((0x55772f06bcd0), ':- style_check(-discontiguous). ~n', []), format((0x55772f06bcd0), ':- dynamic((~q)/2). ~n', [me_synthesize_1727481849_9551582]), format((0x55772f06bcd0), ':- dynamic((~q)/3). ~n', [me_synthesize_1727481849_9551582]), format((0x55772f06bcd0), ':- dynamic((~q)/4). ~n', [me_synthesize_1727481849_9551582]), format((0x55772f06bcd0), ':- dynamic((~q)/5). ~n', [me_synthesize_1727481849_9551582]), format((0x55772f06bcd0), ':- dynamic((~q)/6). ~n', [me_synthesize_1727481849_9551582]), format((0x55772f06bcd0), ':- dynamic((~q)/7). ~n', [me_synthesize_1727481849_9551582]), format((0x55772f06bcd0), ':- dynamic((~q)/4). ~n', [me_synthesize_1727481849_9551582_iz]), format((0x55772f06bcd0), ':- dynamic((~q)/5). ~n', [me_synthesize_1727481849_9551582_iz]), format((0x55772f06bcd0), ':- dynamic((~q)/6). ~n', [me_synthesize_1727481849_9551582_iz]), format((0x55772f06bcd0), ':- dynamic((~q)/7). ~n', [me_synthesize_1727481849_9551582_iz]), format((0x55772f06bcd0), ':- dynamic((~q)/8). ~n', [me_synthesize_1727481849_9551582_iz]), writeln((0x55772f06bcd0), ':- dynamic(user:asserted_metta_pred/2).'), writeln((0x55772f06bcd0), ':- multifile(user:asserted_metta_pred/2).'), format((0x55772f06bcd0), 'user:asserted_metta_pred(~q,~q). ~n', [me_synthesize_1727481849_9551582, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta']), with_output_to((0x55772f06bcd0), produce_iz(me_synthesize_1727481849_9551582)))))
^  Call: (167) [user] once(user:notrace((format((0x55772f06bcd0), ':- style_check(-singleton). ~n', []), format((0x55772f06bcd0), ':- style_check(-discontiguous). ~n', []), format((0x55772f06bcd0), ':- dynamic((~q)/2). ~n', [me_synthesize_1727481849_9551582]), format((0x55772f06bcd0), ':- dynamic((~q)/3). ~n', [me_synthesize_1727481849_9551582]), format((0x55772f06bcd0), ':- dynamic((~q)/4). ~n', [me_synthesize_1727481849_9551582]), format((0x55772f06bcd0), ':- dynamic((~q)/5). ~n', [me_synthesize_1727481849_9551582]), format((0x55772f06bcd0), ':- dynamic((~q)/6). ~n', [me_synthesize_1727481849_9551582]), format((0x55772f06bcd0), ':- dynamic((~q)/7). ~n', [me_synthesize_1727481849_9551582]), format((0x55772f06bcd0), ':- dynamic((~q)/4). ~n', [me_synthesize_1727481849_9551582_iz]), format((0x55772f06bcd0), ':- dynamic((~q)/5). ~n', [me_synthesize_1727481849_9551582_iz]), format((0x55772f06bcd0), ':- dynamic((~q)/6). ~n', [me_synthesize_1727481849_9551582_iz]), format((0x55772f06bcd0), ':- dynamic((~q)/7). ~n', [me_synthesize_1727481849_9551582_iz]), format((0x55772f06bcd0), ':- dynamic((~q)/8). ~n', [me_synthesize_1727481849_9551582_iz]), writeln((0x55772f06bcd0), ':- dynamic(user:asserted_metta_pred/2).'), writeln((0x55772f06bcd0), ':- multifile(user:asserted_metta_pred/2).'), format((0x55772f06bcd0), 'user:asserted_metta_pred(~q,~q). ~n', [me_synthesize_1727481849_9551582, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta']), with_output_to((0x55772f06bcd0), produce_iz(me_synthesize_1727481849_9551582)))))
^  Call: (169) [system] setup_call_cleanup('$notrace'(_359376, _359378), once(user:(format((0x55772f06bcd0), ':- style_check(-singleton). ~n', []), format((0x55772f06bcd0), ':- style_check(-discontiguous). ~n', []), format((0x55772f06bcd0), ':- dynamic((~q)/2). ~n', [me_synthesize_1727481849_9551582]), format((0x55772f06bcd0), ':- dynamic((~q)/3). ~n', [me_synthesize_1727481849_9551582]), format((0x55772f06bcd0), ':- dynamic((~q)/4). ~n', [me_synthesize_1727481849_9551582]), format((0x55772f06bcd0), ':- dynamic((~q)/5). ~n', [me_synthesize_1727481849_9551582]), format((0x55772f06bcd0), ':- dynamic((~q)/6). ~n', [me_synthesize_1727481849_9551582]), format((0x55772f06bcd0), ':- dynamic((~q)/7). ~n', [me_synthesize_1727481849_9551582]), format((0x55772f06bcd0), ':- dynamic((~q)/4). ~n', [me_synthesize_1727481849_9551582_iz]), format((0x55772f06bcd0), ':- dynamic((~q)/5). ~n', [me_synthesize_1727481849_9551582_iz]), format((0x55772f06bcd0), ':- dynamic((~q)/6). ~n', [me_synthesize_1727481849_9551582_iz]), format((0x55772f06bcd0), ':- dynamic((~q)/7). ~n', [me_synthesize_1727481849_9551582_iz]), format((0x55772f06bcd0), ':- dynamic((~q)/8). ~n', [me_synthesize_1727481849_9551582_iz]), writeln((0x55772f06bcd0), ':- dynamic(user:asserted_metta_pred/2).'), writeln((0x55772f06bcd0), ':- multifile(user:asserted_metta_pred/2).'), format((0x55772f06bcd0), 'user:asserted_metta_pred(~q,~q). ~n', [me_synthesize_1727481849_9551582, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta']), with_output_to((0x55772f06bcd0), produce_iz(me_synthesize_1727481849_9551582)))), '$restore_trace'(_359376, _359378))
^  Call: (170) [system] sig_atomic(system:'$notrace'(_359376, _359378))
^  Exit: (169) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:(format((0x55772f06bcd0), ':- style_check(-singleton). ~n', []), format((0x55772f06bcd0), ':- style_check(-discontiguous). ~n', []), format((0x55772f06bcd0), ':- dynamic((~q)/2). ~n', [me_synthesize_1727481849_9551582]), format((0x55772f06bcd0), ':- dynamic((~q)/3). ~n', [me_synthesize_1727481849_9551582]), format((0x55772f06bcd0), ':- dynamic((~q)/4). ~n', [me_synthesize_1727481849_9551582]), format((0x55772f06bcd0), ':- dynamic((~q)/5). ~n', [me_synthesize_1727481849_9551582]), format((0x55772f06bcd0), ':- dynamic((~q)/6). ~n', [me_synthesize_1727481849_9551582]), format((0x55772f06bcd0), ':- dynamic((~q)/7). ~n', [me_synthesize_1727481849_9551582]), format((0x55772f06bcd0), ':- dynamic((~q)/4). ~n', [me_synthesize_1727481849_9551582_iz]), format((0x55772f06bcd0), ':- dynamic((~q)/5). ~n', [me_synthesize_1727481849_9551582_iz]), format((0x55772f06bcd0), ':- dynamic((~q)/6). ~n', [me_synthesize_1727481849_9551582_iz]), format((0x55772f06bcd0), ':- dynamic((~q)/7). ~n', [me_synthesize_1727481849_9551582_iz]), format((0x55772f06bcd0), ':- dynamic((~q)/8). ~n', [me_synthesize_1727481849_9551582_iz]), writeln((0x55772f06bcd0), ':- dynamic(user:asserted_metta_pred/2).'), writeln((0x55772f06bcd0), ':- multifile(user:asserted_metta_pred/2).'), format((0x55772f06bcd0), 'user:asserted_metta_pred(~q,~q). ~n', [me_synthesize_1727481849_9551582, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta']), with_output_to((0x55772f06bcd0), produce_iz(me_synthesize_1727481849_9551582)))), system:'$restore_trace'(3, -1))
^  Exit: (167) [system] once(user:notrace((format((0x55772f06bcd0), ':- style_check(-singleton). ~n', []), format((0x55772f06bcd0), ':- style_check(-discontiguous). ~n', []), format((0x55772f06bcd0), ':- dynamic((~q)/2). ~n', [me_synthesize_1727481849_9551582]), format((0x55772f06bcd0), ':- dynamic((~q)/3). ~n', [me_synthesize_1727481849_9551582]), format((0x55772f06bcd0), ':- dynamic((~q)/4). ~n', [me_synthesize_1727481849_9551582]), format((0x55772f06bcd0), ':- dynamic((~q)/5). ~n', [me_synthesize_1727481849_9551582]), format((0x55772f06bcd0), ':- dynamic((~q)/6). ~n', [me_synthesize_1727481849_9551582]), format((0x55772f06bcd0), ':- dynamic((~q)/7). ~n', [me_synthesize_1727481849_9551582]), format((0x55772f06bcd0), ':- dynamic((~q)/4). ~n', [me_synthesize_1727481849_9551582_iz]), format((0x55772f06bcd0), ':- dynamic((~q)/5). ~n', [me_synthesize_1727481849_9551582_iz]), format((0x55772f06bcd0), ':- dynamic((~q)/6). ~n', [me_synthesize_1727481849_9551582_iz]), format((0x55772f06bcd0), ':- dynamic((~q)/7). ~n', [me_synthesize_1727481849_9551582_iz]), format((0x55772f06bcd0), ':- dynamic((~q)/8). ~n', [me_synthesize_1727481849_9551582_iz]), writeln((0x55772f06bcd0), ':- dynamic(user:asserted_metta_pred/2).'), writeln((0x55772f06bcd0), ':- multifile(user:asserted_metta_pred/2).'), format((0x55772f06bcd0), 'user:asserted_metta_pred(~q,~q). ~n', [me_synthesize_1727481849_9551582, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta']), with_output_to((0x55772f06bcd0), produce_iz(me_synthesize_1727481849_9551582)))))
^  Exit: (166) [user] must_det_ll(user:notrace((format((0x55772f06bcd0), ':- style_check(-singleton). ~n', []), format((0x55772f06bcd0), ':- style_check(-discontiguous). ~n', []), format((0x55772f06bcd0), ':- dynamic((~q)/2). ~n', [me_synthesize_1727481849_9551582]), format((0x55772f06bcd0), ':- dynamic((~q)/3). ~n', [me_synthesize_1727481849_9551582]), format((0x55772f06bcd0), ':- dynamic((~q)/4). ~n', [me_synthesize_1727481849_9551582]), format((0x55772f06bcd0), ':- dynamic((~q)/5). ~n', [me_synthesize_1727481849_9551582]), format((0x55772f06bcd0), ':- dynamic((~q)/6). ~n', [me_synthesize_1727481849_9551582]), format((0x55772f06bcd0), ':- dynamic((~q)/7). ~n', [me_synthesize_1727481849_9551582]), format((0x55772f06bcd0), ':- dynamic((~q)/4). ~n', [me_synthesize_1727481849_9551582_iz]), format((0x55772f06bcd0), ':- dynamic((~q)/5). ~n', [me_synthesize_1727481849_9551582_iz]), format((0x55772f06bcd0), ':- dynamic((~q)/6). ~n', [me_synthesize_1727481849_9551582_iz]), format((0x55772f06bcd0), ':- dynamic((~q)/7). ~n', [me_synthesize_1727481849_9551582_iz]), format((0x55772f06bcd0), ':- dynamic((~q)/8). ~n', [me_synthesize_1727481849_9551582_iz]), writeln((0x55772f06bcd0), ':- dynamic(user:asserted_metta_pred/2).'), writeln((0x55772f06bcd0), ':- multifile(user:asserted_metta_pred/2).'), format((0x55772f06bcd0), 'user:asserted_metta_pred(~q,~q). ~n', [me_synthesize_1727481849_9551582, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta']), with_output_to((0x55772f06bcd0), produce_iz(me_synthesize_1727481849_9551582)))))
^  Call: (166) [user] must_det_ll(flag(translated_forms, _379814, 0))
^  Call: (167) [user] once(user:flag(translated_forms, _379814, 0))
   Call: (168) [$syspreds] flag(translated_forms, _379814, 0)
   Call: (169) [system] _379814==0
^  Call: (169) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _379814, 0))
   Call: (171) [$syspreds] update_flag(translated_forms, _379814, 0)
   Call: (172) [system] get_flag(translated_forms, _379814)
   Exit: (172) [system] get_flag(translated_forms, 29)
   Call: (172) [system] atom(0)
   Call: (172) [system] set_flag(translated_forms, 0)
   Exit: (172) [system] set_flag(translated_forms, 0)
   Exit: (171) [$syspreds] update_flag(translated_forms, 29, 0)
^  Exit: (169) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 29, 0))
   Exit: (168) [$syspreds] flag(translated_forms, 29, 0)
^  Exit: (167) [system] once(user:flag(translated_forms, 29, 0))
^  Exit: (166) [user] must_det_ll(user:flag(translated_forms, 29, 0))
^  Call: (166) [user] must_det_ll(_394702=t(1727481849.951376))
^  Call: (167) [user] once(user:(_394702=t(1727481849.951376)))
   Call: (168) [system] _394702=t(1727481849.951376)
   Exit: (168) [system] t(1727481849.951376)=t(1727481849.951376)
^  Exit: (167) [system] once(user:(t(1727481849.951376)=t(1727481849.951376)))
^  Exit: (166) [user] must_det_ll(user:(t(1727481849.951376)=t(1727481849.951376)))
^  Call: (166) [user] once(call((repeat, (at_end_of_stream((0x55772f068e50))->!;(must_det_ll(line_count((0x55772f068e50), _400326)), must_det_ll(read_sform((0x55772f068e50), _400336))), (_400336==end_of_file->!;once((if_t((get_time(_400386), arg(1, t(1727481849.951376), _400400), _400410 is _400386-_400400, _400410>4), (nb_setarg(1, t(1727481849.951376), _400386), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi(_400336), _400326]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _400498, _400498+1), write_metta_datalog_term((0x55772f06bcd0), _400336, me_synthesize_1727481849_9551582, _400326))), fail)))))
^  Call: (167) [user] call((repeat, (at_end_of_stream((0x55772f068e50))->!;(must_det_ll(line_count((0x55772f068e50), _400326)), must_det_ll(read_sform((0x55772f068e50), _400336))), (_400336==end_of_file->!;once((if_t((get_time(_400386), arg(1, t(1727481849.951376), _400400), _400410 is _400386-_400400, _400410>4), (nb_setarg(1, t(1727481849.951376), _400386), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi(_400336), _400326]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _400498, _400498+1), write_metta_datalog_term((0x55772f06bcd0), _400336, me_synthesize_1727481849_9551582, _400326))), fail))))
   Call: (169) [system] repeat
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x55772f068e50))
   Fail: (169) [system] at_end_of_stream((0x55772f068e50))
^  Call: (169) [user] must_det_ll(line_count((0x55772f068e50), _400326))
^  Call: (170) [user] once(user:line_count((0x55772f068e50), _400326))
   Call: (171) [system] line_count((0x55772f068e50), _400326)
   Exit: (171) [system] line_count((0x55772f068e50), 1)
^  Exit: (170) [system] once(user:line_count((0x55772f068e50), 1))
^  Exit: (169) [user] must_det_ll(user:line_count((0x55772f068e50), 1))
^  Call: (169) [user] must_det_ll(read_sform((0x55772f068e50), _400336))
^  Call: (170) [user] once(user:read_sform((0x55772f068e50), _400336))
^  Call: (171) [user] read_sform((0x55772f068e50), _400336)
   Call: (172) [system] string((0x55772f068e50))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (173) [system] string((0x55772f068e50))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _400336)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _400336)
   Call: (174) [system] at_end_of_stream((0x55772f068e50))
   Call: (174) [system] peek_char((0x55772f068e50), _421160)
   Exit: (174) [system] peek_char((0x55772f068e50), ;)
   Call: (174) [system] char_type(;, space)
   Call: (174) [system] _423946=(0x55772f068e50)
   Exit: (174) [system] (0x55772f068e50)=(0x55772f068e50)
^  Call: (174) [user] once((read_position((0x55772f068e50), _425814, _425816, _425818, _425820), read_sexpr((0x55772f068e50), _425832), assertz(metta_file_comment(_425814, _425816, _425818, _425832, _425820))))
^  Call: (176) [user] read_position((0x55772f068e50), _425814, _425816, _425818, _425820)
   Call: (177) [system] stream_property((0x55772f068e50), position(_425820))
   Call: (178) [system] nonvar((0x55772f068e50))
   Exit: (178) [system] nonvar((0x55772f068e50))
   Call: (178) [system] nonvar(position(_425820))
   Exit: (178) [system] nonvar(position(_425820))
   Exit: (177) [system] stream_property((0x55772f068e50), position('$stream_position'(0, 1, 0, 0)))
   Call: (177) [$syspreds] stream_position_data(line_count, '$stream_position'(0, 1, 0, 0), _425814)
   Call: (178) [system] nonvar(line_count)
   Exit: (178) [system] nonvar(line_count)
   Call: (178) [$syspreds] stream_position_field(line_count, _436072)
   Exit: (178) [$syspreds] stream_position_field(line_count, 2)
   Call: (178) [system] arg(2, '$stream_position'(0, 1, 0, 0), _425814)
   Exit: (178) [system] arg(2, '$stream_position'(0, 1, 0, 0), 1)
   Exit: (177) [$syspreds] stream_position_data(line_count, '$stream_position'(0, 1, 0, 0), 1)
   Call: (177) [$syspreds] stream_position_data(line_position, '$stream_position'(0, 1, 0, 0), _425816)
   Call: (178) [system] nonvar(line_position)
   Exit: (178) [system] nonvar(line_position)
   Call: (178) [$syspreds] stream_position_field(line_position, _443506)
   Exit: (178) [$syspreds] stream_position_field(line_position, 3)
   Call: (178) [system] arg(3, '$stream_position'(0, 1, 0, 0), _425816)
   Exit: (178) [system] arg(3, '$stream_position'(0, 1, 0, 0), 0)
   Exit: (177) [$syspreds] stream_position_data(line_position, '$stream_position'(0, 1, 0, 0), 0)
   Call: (177) [$syspreds] stream_position_data(char_count, '$stream_position'(0, 1, 0, 0), _425818)
   Call: (178) [system] nonvar(char_count)
   Exit: (178) [system] nonvar(char_count)
   Call: (178) [$syspreds] stream_position_field(char_count, _450940)
   Exit: (178) [$syspreds] stream_position_field(char_count, 1)
   Call: (178) [system] arg(1, '$stream_position'(0, 1, 0, 0), _425818)
   Exit: (178) [system] arg(1, '$stream_position'(0, 1, 0, 0), 0)
   Exit: (177) [$syspreds] stream_position_data(char_count, '$stream_position'(0, 1, 0, 0), 0)
^  Exit: (176) [user] read_position((0x55772f068e50), 1, 0, 0, '$stream_position'(0, 1, 0, 0))
^  Call: (176) [user] read_sexpr((0x55772f068e50), _425832)
   Call: (177) [system] string((0x55772f068e50))
   Fail: (177) [system] string((0x55772f068e50))
^  Call: (177) [user] cont_sexpr(')', (0x55772f068e50), _425832)
^  Call: (178) [user] skip_spaces((0x55772f068e50))
   Call: (179) [system] peek_char((0x55772f068e50), _461166)
   Exit: (179) [system] peek_char((0x55772f068e50), ;)
   Call: (179) [system] (;)=(;)
   Exit: (179) [system] (;)=(;)
^  Call: (179) [user] read_single_line_comment((0x55772f068e50))
^  Call: (180) [user] read_position((0x55772f068e50), _465804, _465806, _465808, _465810)
   Call: (181) [system] stream_property((0x55772f068e50), position(_465810))
   Call: (182) [system] nonvar((0x55772f068e50))
   Exit: (182) [system] nonvar((0x55772f068e50))
   Call: (182) [system] nonvar(position(_465810))
   Exit: (182) [system] nonvar(position(_465810))
   Exit: (181) [system] stream_property((0x55772f068e50), position('$stream_position'(0, 1, 0, 0)))
   Call: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(0, 1, 0, 0), _465804)
   Call: (182) [system] nonvar(line_count)
   Exit: (182) [system] nonvar(line_count)
   Call: (182) [$syspreds] stream_position_field(line_count, _475098)
   Exit: (182) [$syspreds] stream_position_field(line_count, 2)
   Call: (182) [system] arg(2, '$stream_position'(0, 1, 0, 0), _465804)
   Exit: (182) [system] arg(2, '$stream_position'(0, 1, 0, 0), 1)
   Exit: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(0, 1, 0, 0), 1)
   Call: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(0, 1, 0, 0), _465806)
   Call: (182) [system] nonvar(line_position)
   Exit: (182) [system] nonvar(line_position)
   Call: (182) [$syspreds] stream_position_field(line_position, _482532)
   Exit: (182) [$syspreds] stream_position_field(line_position, 3)
   Call: (182) [system] arg(3, '$stream_position'(0, 1, 0, 0), _465806)
   Exit: (182) [system] arg(3, '$stream_position'(0, 1, 0, 0), 0)
   Exit: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(0, 1, 0, 0), 0)
   Call: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(0, 1, 0, 0), _465808)
   Call: (182) [system] nonvar(char_count)
   Exit: (182) [system] nonvar(char_count)
   Call: (182) [$syspreds] stream_position_field(char_count, _489966)
   Exit: (182) [$syspreds] stream_position_field(char_count, 1)
   Call: (182) [system] arg(1, '$stream_position'(0, 1, 0, 0), _465808)
   Exit: (182) [system] arg(1, '$stream_position'(0, 1, 0, 0), 0)
   Exit: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(0, 1, 0, 0), 0)
^  Exit: (180) [user] read_position((0x55772f068e50), 1, 0, 0, '$stream_position'(0, 1, 0, 0))
   Call: (180) [read_util] read_util:read_line_to_string((0x55772f068e50), _495560)
   Call: (181) [system] read_string((0x55772f068e50), '\n', '\r', _496490, _496492)
   Exit: (181) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";;time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize.metta")
   Call: (181) [system] 10\== -1
   Exit: (181) [system] 10\== -1
   Call: (181) [system] _495560=";;time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize.metta"
   Exit: (181) [system] ";;time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize.metta"=";;time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize.metta"
   Exit: (180) [read_util] read_util:read_line_to_string((0x55772f068e50), ";;time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize.metta")
^  Call: (180) [user] assertz(metta_file_comment(1, 0, 0, '$COMMENT'(";;time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize.metta", 1, 0), '$stream_position'(0, 1, 0, 0)))
^  Exit: (180) [user] assertz(metta_file_comment(1, 0, 0, '$COMMENT'(";;time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize.metta", 1, 0), '$stream_position'(0, 1, 0, 0)))
^  Exit: (179) [user] read_single_line_comment((0x55772f068e50))
^  Call: (179) [user] skip_spaces((0x55772f068e50))
   Call: (180) [system] peek_char((0x55772f068e50), _506768)
   Exit: (180) [system] peek_char((0x55772f068e50), ;)
   Call: (180) [system] (;)=(;)
   Exit: (180) [system] (;)=(;)
^  Call: (180) [user] read_single_line_comment((0x55772f068e50))
^  Call: (181) [user] read_position((0x55772f068e50), _511406, _511408, _511410, _511412)
   Call: (182) [system] stream_property((0x55772f068e50), position(_511412))
   Call: (183) [system] nonvar((0x55772f068e50))
   Exit: (183) [system] nonvar((0x55772f068e50))
   Call: (183) [system] nonvar(position(_511412))
   Exit: (183) [system] nonvar(position(_511412))
   Exit: (182) [system] stream_property((0x55772f068e50), position('$stream_position'(81, 2, 0, 81)))
   Call: (182) [$syspreds] stream_position_data(line_count, '$stream_position'(81, 2, 0, 81), _511406)
   Call: (183) [system] nonvar(line_count)
   Exit: (183) [system] nonvar(line_count)
   Call: (183) [$syspreds] stream_position_field(line_count, _520700)
   Exit: (183) [$syspreds] stream_position_field(line_count, 2)
   Call: (183) [system] arg(2, '$stream_position'(81, 2, 0, 81), _511406)
   Exit: (183) [system] arg(2, '$stream_position'(81, 2, 0, 81), 2)
   Exit: (182) [$syspreds] stream_position_data(line_count, '$stream_position'(81, 2, 0, 81), 2)
   Call: (182) [$syspreds] stream_position_data(line_position, '$stream_position'(81, 2, 0, 81), _511408)
   Call: (183) [system] nonvar(line_position)
   Exit: (183) [system] nonvar(line_position)
   Call: (183) [$syspreds] stream_position_field(line_position, _528134)
   Exit: (183) [$syspreds] stream_position_field(line_position, 3)
   Call: (183) [system] arg(3, '$stream_position'(81, 2, 0, 81), _511408)
   Exit: (183) [system] arg(3, '$stream_position'(81, 2, 0, 81), 0)
   Exit: (182) [$syspreds] stream_position_data(line_position, '$stream_position'(81, 2, 0, 81), 0)
   Call: (182) [$syspreds] stream_position_data(char_count, '$stream_position'(81, 2, 0, 81), _511410)
   Call: (183) [system] nonvar(char_count)
   Exit: (183) [system] nonvar(char_count)
   Call: (183) [$syspreds] stream_position_field(char_count, _535568)
   Exit: (183) [$syspreds] stream_position_field(char_count, 1)
   Call: (183) [system] arg(1, '$stream_position'(81, 2, 0, 81), _511410)
   Exit: (183) [system] arg(1, '$stream_position'(81, 2, 0, 81), 81)
   Exit: (182) [$syspreds] stream_position_data(char_count, '$stream_position'(81, 2, 0, 81), 81)
^  Exit: (181) [user] read_position((0x55772f068e50), 2, 0, 81, '$stream_position'(81, 2, 0, 81))
   Call: (181) [read_util] read_util:read_line_to_string((0x55772f068e50), _541162)
   Call: (182) [system] read_string((0x55772f068e50), '\n', '\r', _542092, _542094)
   Exit: (182) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";;real    0m0.615s")
   Call: (182) [system] 10\== -1
   Exit: (182) [system] 10\== -1
   Call: (182) [system] _541162=";;real    0m0.615s"
   Exit: (182) [system] ";;real    0m0.615s"=";;real    0m0.615s"
   Exit: (181) [read_util] read_util:read_line_to_string((0x55772f068e50), ";;real    0m0.615s")
^  Call: (181) [user] assertz(metta_file_comment(2, 0, 81, '$COMMENT'(";;real    0m0.615s", 2, 0), '$stream_position'(81, 2, 0, 81)))
^  Exit: (181) [user] assertz(metta_file_comment(2, 0, 81, '$COMMENT'(";;real    0m0.615s", 2, 0), '$stream_position'(81, 2, 0, 81)))
^  Exit: (180) [user] read_single_line_comment((0x55772f068e50))
^  Call: (180) [user] skip_spaces((0x55772f068e50))
   Call: (181) [system] peek_char((0x55772f068e50), _552354)
   Exit: (181) [system] peek_char((0x55772f068e50), ;)
   Call: (181) [system] (;)=(;)
   Exit: (181) [system] (;)=(;)
^  Call: (181) [user] read_single_line_comment((0x55772f068e50))
^  Call: (182) [user] read_position((0x55772f068e50), _556992, _556994, _556996, _556998)
   Call: (183) [system] stream_property((0x55772f068e50), position(_556998))
   Call: (184) [system] nonvar((0x55772f068e50))
   Exit: (184) [system] nonvar((0x55772f068e50))
   Call: (184) [system] nonvar(position(_556998))
   Exit: (184) [system] nonvar(position(_556998))
   Exit: (183) [system] stream_property((0x55772f068e50), position('$stream_position'(100, 3, 0, 100)))
   Call: (183) [$syspreds] stream_position_data(line_count, '$stream_position'(100, 3, 0, 100), _556992)
   Call: (184) [system] nonvar(line_count)
   Exit: (184) [system] nonvar(line_count)
   Call: (184) [$syspreds] stream_position_field(line_count, _566286)
   Exit: (184) [$syspreds] stream_position_field(line_count, 2)
   Call: (184) [system] arg(2, '$stream_position'(100, 3, 0, 100), _556992)
   Exit: (184) [system] arg(2, '$stream_position'(100, 3, 0, 100), 3)
   Exit: (183) [$syspreds] stream_position_data(line_count, '$stream_position'(100, 3, 0, 100), 3)
   Call: (183) [$syspreds] stream_position_data(line_position, '$stream_position'(100, 3, 0, 100), _556994)
   Call: (184) [system] nonvar(line_position)
   Exit: (184) [system] nonvar(line_position)
   Call: (184) [$syspreds] stream_position_field(line_position, _573720)
   Exit: (184) [$syspreds] stream_position_field(line_position, 3)
   Call: (184) [system] arg(3, '$stream_position'(100, 3, 0, 100), _556994)
   Exit: (184) [system] arg(3, '$stream_position'(100, 3, 0, 100), 0)
   Exit: (183) [$syspreds] stream_position_data(line_position, '$stream_position'(100, 3, 0, 100), 0)
   Call: (183) [$syspreds] stream_position_data(char_count, '$stream_position'(100, 3, 0, 100), _556996)
   Call: (184) [system] nonvar(char_count)
   Exit: (184) [system] nonvar(char_count)
   Call: (184) [$syspreds] stream_position_field(char_count, _581154)
   Exit: (184) [$syspreds] stream_position_field(char_count, 1)
   Call: (184) [system] arg(1, '$stream_position'(100, 3, 0, 100), _556996)
   Exit: (184) [system] arg(1, '$stream_position'(100, 3, 0, 100), 100)
   Exit: (183) [$syspreds] stream_position_data(char_count, '$stream_position'(100, 3, 0, 100), 100)
^  Exit: (182) [user] read_position((0x55772f068e50), 3, 0, 100, '$stream_position'(100, 3, 0, 100))
   Call: (182) [read_util] read_util:read_line_to_string((0x55772f068e50), _586748)
   Call: (183) [system] read_string((0x55772f068e50), '\n', '\r', _587678, _587680)
   Exit: (183) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";;user    0m0.607s")
   Call: (183) [system] 10\== -1
   Exit: (183) [system] 10\== -1
   Call: (183) [system] _586748=";;user    0m0.607s"
   Exit: (183) [system] ";;user    0m0.607s"=";;user    0m0.607s"
   Exit: (182) [read_util] read_util:read_line_to_string((0x55772f068e50), ";;user    0m0.607s")
^  Call: (182) [user] assertz(metta_file_comment(3, 0, 100, '$COMMENT'(";;user    0m0.607s", 3, 0), '$stream_position'(100, 3, 0, 100)))
^  Exit: (182) [user] assertz(metta_file_comment(3, 0, 100, '$COMMENT'(";;user    0m0.607s", 3, 0), '$stream_position'(100, 3, 0, 100)))
^  Exit: (181) [user] read_single_line_comment((0x55772f068e50))
^  Call: (181) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _597940)
   Exit: (182) [system] peek_char((0x55772f068e50), ;)
   Call: (182) [system] (;)=(;)
   Exit: (182) [system] (;)=(;)
^  Call: (182) [user] read_single_line_comment((0x55772f068e50))
^  Call: (183) [user] read_position((0x55772f068e50), _602578, _602580, _602582, _602584)
   Call: (184) [system] stream_property((0x55772f068e50), position(_602584))
   Call: (185) [system] nonvar((0x55772f068e50))
   Exit: (185) [system] nonvar((0x55772f068e50))
   Call: (185) [system] nonvar(position(_602584))
   Exit: (185) [system] nonvar(position(_602584))
   Exit: (184) [system] stream_property((0x55772f068e50), position('$stream_position'(119, 4, 0, 119)))
   Call: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(119, 4, 0, 119), _602578)
   Call: (185) [system] nonvar(line_count)
   Exit: (185) [system] nonvar(line_count)
   Call: (185) [$syspreds] stream_position_field(line_count, _611872)
   Exit: (185) [$syspreds] stream_position_field(line_count, 2)
   Call: (185) [system] arg(2, '$stream_position'(119, 4, 0, 119), _602578)
   Exit: (185) [system] arg(2, '$stream_position'(119, 4, 0, 119), 4)
   Exit: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(119, 4, 0, 119), 4)
   Call: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(119, 4, 0, 119), _602580)
   Call: (185) [system] nonvar(line_position)
   Exit: (185) [system] nonvar(line_position)
   Call: (185) [$syspreds] stream_position_field(line_position, _619306)
   Exit: (185) [$syspreds] stream_position_field(line_position, 3)
   Call: (185) [system] arg(3, '$stream_position'(119, 4, 0, 119), _602580)
   Exit: (185) [system] arg(3, '$stream_position'(119, 4, 0, 119), 0)
   Exit: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(119, 4, 0, 119), 0)
   Call: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(119, 4, 0, 119), _602582)
   Call: (185) [system] nonvar(char_count)
   Exit: (185) [system] nonvar(char_count)
   Call: (185) [$syspreds] stream_position_field(char_count, _626740)
   Exit: (185) [$syspreds] stream_position_field(char_count, 1)
   Call: (185) [system] arg(1, '$stream_position'(119, 4, 0, 119), _602582)
   Exit: (185) [system] arg(1, '$stream_position'(119, 4, 0, 119), 119)
   Exit: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(119, 4, 0, 119), 119)
^  Exit: (183) [user] read_position((0x55772f068e50), 4, 0, 119, '$stream_position'(119, 4, 0, 119))
   Call: (183) [read_util] read_util:read_line_to_string((0x55772f068e50), _632334)
   Call: (184) [system] read_string((0x55772f068e50), '\n', '\r', _633264, _633266)
   Exit: (184) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";;sys     0m0.000s")
   Call: (184) [system] 10\== -1
   Exit: (184) [system] 10\== -1
   Call: (184) [system] _632334=";;sys     0m0.000s"
   Exit: (184) [system] ";;sys     0m0.000s"=";;sys     0m0.000s"
   Exit: (183) [read_util] read_util:read_line_to_string((0x55772f068e50), ";;sys     0m0.000s")
^  Call: (183) [user] assertz(metta_file_comment(4, 0, 119, '$COMMENT'(";;sys     0m0.000s", 4, 0), '$stream_position'(119, 4, 0, 119)))
^  Exit: (183) [user] assertz(metta_file_comment(4, 0, 119, '$COMMENT'(";;sys     0m0.000s", 4, 0), '$stream_position'(119, 4, 0, 119)))
^  Exit: (182) [user] read_single_line_comment((0x55772f068e50))
^  Call: (182) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _643526)
   Exit: (183) [system] peek_char((0x55772f068e50), '\n')
   Call: (183) [system] '\n'=(;)
   Fail: (183) [system] '\n'=(;)
   Call: (183) [system] '\n'=(/)
   Fail: (183) [system] '\n'=(/)
^  Call: (183) [user] is_like_space('\n')
   Call: (184) [system] char_type('\n', 'white')
   Fail: (184) [system] char_type('\n', 'white')
   Call: (184) [system] char_type('\n', end_of_line)
   Exit: (184) [system] char_type('\n', end_of_line)
^  Exit: (183) [user] is_like_space('\n')
   Call: (183) [system] get_char((0x55772f068e50), _654976)
   Exit: (183) [system] get_char((0x55772f068e50), '\n')
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _657680)
   Exit: (184) [system] peek_char((0x55772f068e50), '\n')
   Call: (184) [system] '\n'=(;)
   Fail: (184) [system] '\n'=(;)
   Call: (184) [system] '\n'=(/)
   Fail: (184) [system] '\n'=(/)
^  Call: (184) [user] is_like_space('\n')
   Call: (185) [system] char_type('\n', 'white')
   Fail: (185) [system] char_type('\n', 'white')
   Call: (185) [system] char_type('\n', end_of_line)
   Exit: (185) [system] char_type('\n', end_of_line)
^  Exit: (184) [user] is_like_space('\n')
   Call: (184) [system] get_char((0x55772f068e50), _669130)
   Exit: (184) [system] get_char((0x55772f068e50), '\n')
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _671834)
   Exit: (185) [system] peek_char((0x55772f068e50), ;)
   Call: (185) [system] (;)=(;)
   Exit: (185) [system] (;)=(;)
^  Call: (185) [user] read_single_line_comment((0x55772f068e50))
^  Call: (186) [user] read_position((0x55772f068e50), _676472, _676474, _676476, _676478)
   Call: (187) [system] stream_property((0x55772f068e50), position(_676478))
   Call: (188) [system] nonvar((0x55772f068e50))
   Exit: (188) [system] nonvar((0x55772f068e50))
   Call: (188) [system] nonvar(position(_676478))
   Exit: (188) [system] nonvar(position(_676478))
   Exit: (187) [system] stream_property((0x55772f068e50), position('$stream_position'(140, 7, 0, 140)))
   Call: (187) [$syspreds] stream_position_data(line_count, '$stream_position'(140, 7, 0, 140), _676472)
   Call: (188) [system] nonvar(line_count)
   Exit: (188) [system] nonvar(line_count)
   Call: (188) [$syspreds] stream_position_field(line_count, _685766)
   Exit: (188) [$syspreds] stream_position_field(line_count, 2)
   Call: (188) [system] arg(2, '$stream_position'(140, 7, 0, 140), _676472)
   Exit: (188) [system] arg(2, '$stream_position'(140, 7, 0, 140), 7)
   Exit: (187) [$syspreds] stream_position_data(line_count, '$stream_position'(140, 7, 0, 140), 7)
   Call: (187) [$syspreds] stream_position_data(line_position, '$stream_position'(140, 7, 0, 140), _676474)
   Call: (188) [system] nonvar(line_position)
   Exit: (188) [system] nonvar(line_position)
   Call: (188) [$syspreds] stream_position_field(line_position, _693200)
   Exit: (188) [$syspreds] stream_position_field(line_position, 3)
   Call: (188) [system] arg(3, '$stream_position'(140, 7, 0, 140), _676474)
   Exit: (188) [system] arg(3, '$stream_position'(140, 7, 0, 140), 0)
   Exit: (187) [$syspreds] stream_position_data(line_position, '$stream_position'(140, 7, 0, 140), 0)
   Call: (187) [$syspreds] stream_position_data(char_count, '$stream_position'(140, 7, 0, 140), _676476)
   Call: (188) [system] nonvar(char_count)
   Exit: (188) [system] nonvar(char_count)
   Call: (188) [$syspreds] stream_position_field(char_count, _700634)
   Exit: (188) [$syspreds] stream_position_field(char_count, 1)
   Call: (188) [system] arg(1, '$stream_position'(140, 7, 0, 140), _676476)
   Exit: (188) [system] arg(1, '$stream_position'(140, 7, 0, 140), 140)
   Exit: (187) [$syspreds] stream_position_data(char_count, '$stream_position'(140, 7, 0, 140), 140)
^  Exit: (186) [user] read_position((0x55772f068e50), 7, 0, 140, '$stream_position'(140, 7, 0, 140))
   Call: (186) [read_util] read_util:read_line_to_string((0x55772f068e50), _706228)
   Call: (187) [system] read_string((0x55772f068e50), '\n', '\r', _707158, _707160)
   Exit: (187) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";;clear; rm tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize.metta.*l* ; time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize.metta")
   Call: (187) [system] 10\== -1
   Exit: (187) [system] 10\== -1
   Call: (187) [system] _706228=";;clear; rm tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize.metta.*l* ; time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize.metta"
   Exit: (187) [system] ";;clear; rm tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize.metta.*l* ; time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize.metta"=";;clear; rm tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize.metta.*l* ; time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize.metta"
   Exit: (186) [read_util] read_util:read_line_to_string((0x55772f068e50), ";;clear; rm tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize.metta.*l* ; time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize.metta")
^  Call: (186) [user] assertz(metta_file_comment(7, 0, 140, '$COMMENT'(";;clear; rm tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize.metta.*l* ; time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize.metta", 7, 0), '$stream_position'(140, 7, 0, 140)))
^  Exit: (186) [user] assertz(metta_file_comment(7, 0, 140, '$COMMENT'(";;clear; rm tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize.metta.*l* ; time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize.metta", 7, 0), '$stream_position'(140, 7, 0, 140)))
^  Exit: (185) [user] read_single_line_comment((0x55772f068e50))
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _717458)
   Exit: (186) [system] peek_char((0x55772f068e50), ;)
   Call: (186) [system] (;)=(;)
   Exit: (186) [system] (;)=(;)
^  Call: (186) [user] read_single_line_comment((0x55772f068e50))
^  Call: (187) [user] read_position((0x55772f068e50), _722096, _722098, _722100, _722102)
   Call: (188) [system] stream_property((0x55772f068e50), position(_722102))
   Call: (189) [system] nonvar((0x55772f068e50))
   Exit: (189) [system] nonvar((0x55772f068e50))
   Call: (189) [system] nonvar(position(_722102))
   Exit: (189) [system] nonvar(position(_722102))
   Exit: (188) [system] stream_property((0x55772f068e50), position('$stream_position'(308, 8, 0, 308)))
   Call: (188) [$syspreds] stream_position_data(line_count, '$stream_position'(308, 8, 0, 308), _722096)
   Call: (189) [system] nonvar(line_count)
   Exit: (189) [system] nonvar(line_count)
   Call: (189) [$syspreds] stream_position_field(line_count, _731390)
   Exit: (189) [$syspreds] stream_position_field(line_count, 2)
   Call: (189) [system] arg(2, '$stream_position'(308, 8, 0, 308), _722096)
   Exit: (189) [system] arg(2, '$stream_position'(308, 8, 0, 308), 8)
   Exit: (188) [$syspreds] stream_position_data(line_count, '$stream_position'(308, 8, 0, 308), 8)
   Call: (188) [$syspreds] stream_position_data(line_position, '$stream_position'(308, 8, 0, 308), _722098)
   Call: (189) [system] nonvar(line_position)
   Exit: (189) [system] nonvar(line_position)
   Call: (189) [$syspreds] stream_position_field(line_position, _738824)
   Exit: (189) [$syspreds] stream_position_field(line_position, 3)
   Call: (189) [system] arg(3, '$stream_position'(308, 8, 0, 308), _722098)
   Exit: (189) [system] arg(3, '$stream_position'(308, 8, 0, 308), 0)
   Exit: (188) [$syspreds] stream_position_data(line_position, '$stream_position'(308, 8, 0, 308), 0)
   Call: (188) [$syspreds] stream_position_data(char_count, '$stream_position'(308, 8, 0, 308), _722100)
   Call: (189) [system] nonvar(char_count)
   Exit: (189) [system] nonvar(char_count)
   Call: (189) [$syspreds] stream_position_field(char_count, _746258)
   Exit: (189) [$syspreds] stream_position_field(char_count, 1)
   Call: (189) [system] arg(1, '$stream_position'(308, 8, 0, 308), _722100)
   Exit: (189) [system] arg(1, '$stream_position'(308, 8, 0, 308), 308)
   Exit: (188) [$syspreds] stream_position_data(char_count, '$stream_position'(308, 8, 0, 308), 308)
^  Exit: (187) [user] read_position((0x55772f068e50), 8, 0, 308, '$stream_position'(308, 8, 0, 308))
   Call: (187) [read_util] read_util:read_line_to_string((0x55772f068e50), _751852)
   Call: (188) [system] read_string((0x55772f068e50), '\n', '\r', _752782, _752784)
   Exit: (188) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";;real    1m1.667s")
   Call: (188) [system] 10\== -1
   Exit: (188) [system] 10\== -1
   Call: (188) [system] _751852=";;real    1m1.667s"
   Exit: (188) [system] ";;real    1m1.667s"=";;real    1m1.667s"
   Exit: (187) [read_util] read_util:read_line_to_string((0x55772f068e50), ";;real    1m1.667s")
^  Call: (187) [user] assertz(metta_file_comment(8, 0, 308, '$COMMENT'(";;real    1m1.667s", 8, 0), '$stream_position'(308, 8, 0, 308)))
^  Exit: (187) [user] assertz(metta_file_comment(8, 0, 308, '$COMMENT'(";;real    1m1.667s", 8, 0), '$stream_position'(308, 8, 0, 308)))
^  Exit: (186) [user] read_single_line_comment((0x55772f068e50))
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _763044)
   Exit: (187) [system] peek_char((0x55772f068e50), ;)
   Call: (187) [system] (;)=(;)
   Exit: (187) [system] (;)=(;)
^  Call: (187) [user] read_single_line_comment((0x55772f068e50))
^  Call: (188) [user] read_position((0x55772f068e50), _767682, _767684, _767686, _767688)
   Call: (189) [system] stream_property((0x55772f068e50), position(_767688))
   Call: (190) [system] nonvar((0x55772f068e50))
   Exit: (190) [system] nonvar((0x55772f068e50))
   Call: (190) [system] nonvar(position(_767688))
   Exit: (190) [system] nonvar(position(_767688))
   Exit: (189) [system] stream_property((0x55772f068e50), position('$stream_position'(327, 9, 0, 327)))
   Call: (189) [$syspreds] stream_position_data(line_count, '$stream_position'(327, 9, 0, 327), _767682)
   Call: (190) [system] nonvar(line_count)
   Exit: (190) [system] nonvar(line_count)
   Call: (190) [$syspreds] stream_position_field(line_count, _776976)
   Exit: (190) [$syspreds] stream_position_field(line_count, 2)
   Call: (190) [system] arg(2, '$stream_position'(327, 9, 0, 327), _767682)
   Exit: (190) [system] arg(2, '$stream_position'(327, 9, 0, 327), 9)
   Exit: (189) [$syspreds] stream_position_data(line_count, '$stream_position'(327, 9, 0, 327), 9)
   Call: (189) [$syspreds] stream_position_data(line_position, '$stream_position'(327, 9, 0, 327), _767684)
   Call: (190) [system] nonvar(line_position)
   Exit: (190) [system] nonvar(line_position)
   Call: (190) [$syspreds] stream_position_field(line_position, _784410)
   Exit: (190) [$syspreds] stream_position_field(line_position, 3)
   Call: (190) [system] arg(3, '$stream_position'(327, 9, 0, 327), _767684)
   Exit: (190) [system] arg(3, '$stream_position'(327, 9, 0, 327), 0)
   Exit: (189) [$syspreds] stream_position_data(line_position, '$stream_position'(327, 9, 0, 327), 0)
   Call: (189) [$syspreds] stream_position_data(char_count, '$stream_position'(327, 9, 0, 327), _767686)
   Call: (190) [system] nonvar(char_count)
   Exit: (190) [system] nonvar(char_count)
   Call: (190) [$syspreds] stream_position_field(char_count, _791844)
   Exit: (190) [$syspreds] stream_position_field(char_count, 1)
   Call: (190) [system] arg(1, '$stream_position'(327, 9, 0, 327), _767686)
   Exit: (190) [system] arg(1, '$stream_position'(327, 9, 0, 327), 327)
   Exit: (189) [$syspreds] stream_position_data(char_count, '$stream_position'(327, 9, 0, 327), 327)
^  Exit: (188) [user] read_position((0x55772f068e50), 9, 0, 327, '$stream_position'(327, 9, 0, 327))
   Call: (188) [read_util] read_util:read_line_to_string((0x55772f068e50), _797438)
   Call: (189) [system] read_string((0x55772f068e50), '\n', '\r', _798368, _798370)
   Exit: (189) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";;user    1m1.635s")
   Call: (189) [system] 10\== -1
   Exit: (189) [system] 10\== -1
   Call: (189) [system] _797438=";;user    1m1.635s"
   Exit: (189) [system] ";;user    1m1.635s"=";;user    1m1.635s"
   Exit: (188) [read_util] read_util:read_line_to_string((0x55772f068e50), ";;user    1m1.635s")
^  Call: (188) [user] assertz(metta_file_comment(9, 0, 327, '$COMMENT'(";;user    1m1.635s", 9, 0), '$stream_position'(327, 9, 0, 327)))
^  Exit: (188) [user] assertz(metta_file_comment(9, 0, 327, '$COMMENT'(";;user    1m1.635s", 9, 0), '$stream_position'(327, 9, 0, 327)))
^  Exit: (187) [user] read_single_line_comment((0x55772f068e50))
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _808630)
   Exit: (188) [system] peek_char((0x55772f068e50), ;)
   Call: (188) [system] (;)=(;)
   Exit: (188) [system] (;)=(;)
^  Call: (188) [user] read_single_line_comment((0x55772f068e50))
^  Call: (189) [user] read_position((0x55772f068e50), _813268, _813270, _813272, _813274)
   Call: (190) [system] stream_property((0x55772f068e50), position(_813274))
   Call: (191) [system] nonvar((0x55772f068e50))
   Exit: (191) [system] nonvar((0x55772f068e50))
   Call: (191) [system] nonvar(position(_813274))
   Exit: (191) [system] nonvar(position(_813274))
   Exit: (190) [system] stream_property((0x55772f068e50), position('$stream_position'(346, 10, 0, 346)))
   Call: (190) [$syspreds] stream_position_data(line_count, '$stream_position'(346, 10, 0, 346), _813268)
   Call: (191) [system] nonvar(line_count)
   Exit: (191) [system] nonvar(line_count)
   Call: (191) [$syspreds] stream_position_field(line_count, _822562)
   Exit: (191) [$syspreds] stream_position_field(line_count, 2)
   Call: (191) [system] arg(2, '$stream_position'(346, 10, 0, 346), _813268)
   Exit: (191) [system] arg(2, '$stream_position'(346, 10, 0, 346), 10)
   Exit: (190) [$syspreds] stream_position_data(line_count, '$stream_position'(346, 10, 0, 346), 10)
   Call: (190) [$syspreds] stream_position_data(line_position, '$stream_position'(346, 10, 0, 346), _813270)
   Call: (191) [system] nonvar(line_position)
   Exit: (191) [system] nonvar(line_position)
   Call: (191) [$syspreds] stream_position_field(line_position, _829996)
   Exit: (191) [$syspreds] stream_position_field(line_position, 3)
   Call: (191) [system] arg(3, '$stream_position'(346, 10, 0, 346), _813270)
   Exit: (191) [system] arg(3, '$stream_position'(346, 10, 0, 346), 0)
   Exit: (190) [$syspreds] stream_position_data(line_position, '$stream_position'(346, 10, 0, 346), 0)
   Call: (190) [$syspreds] stream_position_data(char_count, '$stream_position'(346, 10, 0, 346), _813272)
   Call: (191) [system] nonvar(char_count)
   Exit: (191) [system] nonvar(char_count)
   Call: (191) [$syspreds] stream_position_field(char_count, _837430)
   Exit: (191) [$syspreds] stream_position_field(char_count, 1)
   Call: (191) [system] arg(1, '$stream_position'(346, 10, 0, 346), _813272)
   Exit: (191) [system] arg(1, '$stream_position'(346, 10, 0, 346), 346)
   Exit: (190) [$syspreds] stream_position_data(char_count, '$stream_position'(346, 10, 0, 346), 346)
^  Exit: (189) [user] read_position((0x55772f068e50), 10, 0, 346, '$stream_position'(346, 10, 0, 346))
   Call: (189) [read_util] read_util:read_line_to_string((0x55772f068e50), _843024)
   Call: (190) [system] read_string((0x55772f068e50), '\n', '\r', _843954, _843956)
   Exit: (190) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";;sys     0m0.030s")
   Call: (190) [system] 10\== -1
   Exit: (190) [system] 10\== -1
   Call: (190) [system] _843024=";;sys     0m0.030s"
   Exit: (190) [system] ";;sys     0m0.030s"=";;sys     0m0.030s"
   Exit: (189) [read_util] read_util:read_line_to_string((0x55772f068e50), ";;sys     0m0.030s")
^  Call: (189) [user] assertz(metta_file_comment(10, 0, 346, '$COMMENT'(";;sys     0m0.030s", 10, 0), '$stream_position'(346, 10, 0, 346)))
^  Exit: (189) [user] assertz(metta_file_comment(10, 0, 346, '$COMMENT'(";;sys     0m0.030s", 10, 0), '$stream_position'(346, 10, 0, 346)))
^  Exit: (188) [user] read_single_line_comment((0x55772f068e50))
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _854216)
   Exit: (189) [system] peek_char((0x55772f068e50), ;)
   Call: (189) [system] (;)=(;)
   Exit: (189) [system] (;)=(;)
^  Call: (189) [user] read_single_line_comment((0x55772f068e50))
^  Call: (190) [user] read_position((0x55772f068e50), _858854, _858856, _858858, _858860)
   Call: (191) [system] stream_property((0x55772f068e50), position(_858860))
   Call: (192) [system] nonvar((0x55772f068e50))
   Exit: (192) [system] nonvar((0x55772f068e50))
   Call: (192) [system] nonvar(position(_858860))
   Exit: (192) [system] nonvar(position(_858860))
   Exit: (191) [system] stream_property((0x55772f068e50), position('$stream_position'(365, 11, 0, 365)))
   Call: (191) [$syspreds] stream_position_data(line_count, '$stream_position'(365, 11, 0, 365), _858854)
   Call: (192) [system] nonvar(line_count)
   Exit: (192) [system] nonvar(line_count)
   Call: (192) [$syspreds] stream_position_field(line_count, _868148)
   Exit: (192) [$syspreds] stream_position_field(line_count, 2)
   Call: (192) [system] arg(2, '$stream_position'(365, 11, 0, 365), _858854)
   Exit: (192) [system] arg(2, '$stream_position'(365, 11, 0, 365), 11)
   Exit: (191) [$syspreds] stream_position_data(line_count, '$stream_position'(365, 11, 0, 365), 11)
   Call: (191) [$syspreds] stream_position_data(line_position, '$stream_position'(365, 11, 0, 365), _858856)
   Call: (192) [system] nonvar(line_position)
   Exit: (192) [system] nonvar(line_position)
   Call: (192) [$syspreds] stream_position_field(line_position, _875582)
   Exit: (192) [$syspreds] stream_position_field(line_position, 3)
   Call: (192) [system] arg(3, '$stream_position'(365, 11, 0, 365), _858856)
   Exit: (192) [system] arg(3, '$stream_position'(365, 11, 0, 365), 0)
   Exit: (191) [$syspreds] stream_position_data(line_position, '$stream_position'(365, 11, 0, 365), 0)
   Call: (191) [$syspreds] stream_position_data(char_count, '$stream_position'(365, 11, 0, 365), _858858)
   Call: (192) [system] nonvar(char_count)
   Exit: (192) [system] nonvar(char_count)
   Call: (192) [$syspreds] stream_position_field(char_count, _883016)
   Exit: (192) [$syspreds] stream_position_field(char_count, 1)
   Call: (192) [system] arg(1, '$stream_position'(365, 11, 0, 365), _858858)
   Exit: (192) [system] arg(1, '$stream_position'(365, 11, 0, 365), 365)
   Exit: (191) [$syspreds] stream_position_data(char_count, '$stream_position'(365, 11, 0, 365), 365)
^  Exit: (190) [user] read_position((0x55772f068e50), 11, 0, 365, '$stream_position'(365, 11, 0, 365))
   Call: (190) [read_util] read_util:read_line_to_string((0x55772f068e50), _888610)
   Call: (191) [system] read_string((0x55772f068e50), '\n', '\r', _889540, _889542)
   Exit: (191) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";; Import modules")
   Call: (191) [system] 10\== -1
   Exit: (191) [system] 10\== -1
   Call: (191) [system] _888610=";; Import modules"
   Exit: (191) [system] ";; Import modules"=";; Import modules"
   Exit: (190) [read_util] read_util:read_line_to_string((0x55772f068e50), ";; Import modules")
^  Call: (190) [user] assertz(metta_file_comment(11, 0, 365, '$COMMENT'(";; Import modules", 11, 0), '$stream_position'(365, 11, 0, 365)))
^  Exit: (190) [user] assertz(metta_file_comment(11, 0, 365, '$COMMENT'(";; Import modules", 11, 0), '$stream_position'(365, 11, 0, 365)))
^  Exit: (189) [user] read_single_line_comment((0x55772f068e50))
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _899802)
   Exit: (190) [system] peek_char((0x55772f068e50), ;)
   Call: (190) [system] (;)=(;)
   Exit: (190) [system] (;)=(;)
^  Call: (190) [user] read_single_line_comment((0x55772f068e50))
^  Call: (191) [user] read_position((0x55772f068e50), _904440, _904442, _904444, _904446)
   Call: (192) [system] stream_property((0x55772f068e50), position(_904446))
   Call: (193) [system] nonvar((0x55772f068e50))
   Exit: (193) [system] nonvar((0x55772f068e50))
   Call: (193) [system] nonvar(position(_904446))
   Exit: (193) [system] nonvar(position(_904446))
   Exit: (192) [system] stream_property((0x55772f068e50), position('$stream_position'(383, 12, 0, 383)))
   Call: (192) [$syspreds] stream_position_data(line_count, '$stream_position'(383, 12, 0, 383), _904440)
   Call: (193) [system] nonvar(line_count)
   Exit: (193) [system] nonvar(line_count)
   Call: (193) [$syspreds] stream_position_field(line_count, _913734)
   Exit: (193) [$syspreds] stream_position_field(line_count, 2)
   Call: (193) [system] arg(2, '$stream_position'(383, 12, 0, 383), _904440)
   Exit: (193) [system] arg(2, '$stream_position'(383, 12, 0, 383), 12)
   Exit: (192) [$syspreds] stream_position_data(line_count, '$stream_position'(383, 12, 0, 383), 12)
   Call: (192) [$syspreds] stream_position_data(line_position, '$stream_position'(383, 12, 0, 383), _904442)
   Call: (193) [system] nonvar(line_position)
   Exit: (193) [system] nonvar(line_position)
   Call: (193) [$syspreds] stream_position_field(line_position, _921168)
   Exit: (193) [$syspreds] stream_position_field(line_position, 3)
   Call: (193) [system] arg(3, '$stream_position'(383, 12, 0, 383), _904442)
   Exit: (193) [system] arg(3, '$stream_position'(383, 12, 0, 383), 0)
   Exit: (192) [$syspreds] stream_position_data(line_position, '$stream_position'(383, 12, 0, 383), 0)
   Call: (192) [$syspreds] stream_position_data(char_count, '$stream_position'(383, 12, 0, 383), _904444)
   Call: (193) [system] nonvar(char_count)
   Exit: (193) [system] nonvar(char_count)
   Call: (193) [$syspreds] stream_position_field(char_count, _928602)
   Exit: (193) [$syspreds] stream_position_field(char_count, 1)
   Call: (193) [system] arg(1, '$stream_position'(383, 12, 0, 383), _904444)
   Exit: (193) [system] arg(1, '$stream_position'(383, 12, 0, 383), 383)
   Exit: (192) [$syspreds] stream_position_data(char_count, '$stream_position'(383, 12, 0, 383), 383)
^  Exit: (191) [user] read_position((0x55772f068e50), 12, 0, 383, '$stream_position'(383, 12, 0, 383))
   Call: (191) [read_util] read_util:read_line_to_string((0x55772f068e50), _934196)
   Call: (192) [system] read_string((0x55772f068e50), '\n', '\r', _935126, _935128)
   Exit: (192) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";; !(nop (bt!))")
   Call: (192) [system] 10\== -1
   Exit: (192) [system] 10\== -1
   Call: (192) [system] _934196=";; !(nop (bt!))"
   Exit: (192) [system] ";; !(nop (bt!))"=";; !(nop (bt!))"
   Exit: (191) [read_util] read_util:read_line_to_string((0x55772f068e50), ";; !(nop (bt!))")
^  Call: (191) [user] assertz(metta_file_comment(12, 0, 383, '$COMMENT'(";; !(nop (bt!))", 12, 0), '$stream_position'(383, 12, 0, 383)))
^  Exit: (191) [user] assertz(metta_file_comment(12, 0, 383, '$COMMENT'(";; !(nop (bt!))", 12, 0), '$stream_position'(383, 12, 0, 383)))
^  Exit: (190) [user] read_single_line_comment((0x55772f068e50))
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _945388)
   Exit: (191) [system] peek_char((0x55772f068e50), '\n')
   Call: (191) [system] '\n'=(;)
   Fail: (191) [system] '\n'=(;)
   Call: (191) [system] '\n'=(/)
   Fail: (191) [system] '\n'=(/)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Fail: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x55772f068e50), _956838)
   Exit: (191) [system] get_char((0x55772f068e50), '\n')
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _959542)
   Exit: (192) [system] peek_char((0x55772f068e50), ;)
   Call: (192) [system] (;)=(;)
   Exit: (192) [system] (;)=(;)
^  Call: (192) [user] read_single_line_comment((0x55772f068e50))
^  Call: (193) [user] read_position((0x55772f068e50), _964180, _964182, _964184, _964186)
   Call: (194) [system] stream_property((0x55772f068e50), position(_964186))
   Call: (195) [system] nonvar((0x55772f068e50))
   Exit: (195) [system] nonvar((0x55772f068e50))
   Call: (195) [system] nonvar(position(_964186))
   Exit: (195) [system] nonvar(position(_964186))
   Exit: (194) [system] stream_property((0x55772f068e50), position('$stream_position'(400, 14, 0, 400)))
   Call: (194) [$syspreds] stream_position_data(line_count, '$stream_position'(400, 14, 0, 400), _964180)
   Call: (195) [system] nonvar(line_count)
   Exit: (195) [system] nonvar(line_count)
   Call: (195) [$syspreds] stream_position_field(line_count, _973474)
   Exit: (195) [$syspreds] stream_position_field(line_count, 2)
   Call: (195) [system] arg(2, '$stream_position'(400, 14, 0, 400), _964180)
   Exit: (195) [system] arg(2, '$stream_position'(400, 14, 0, 400), 14)
   Exit: (194) [$syspreds] stream_position_data(line_count, '$stream_position'(400, 14, 0, 400), 14)
   Call: (194) [$syspreds] stream_position_data(line_position, '$stream_position'(400, 14, 0, 400), _964182)
   Call: (195) [system] nonvar(line_position)
   Exit: (195) [system] nonvar(line_position)
   Call: (195) [$syspreds] stream_position_field(line_position, _980908)
   Exit: (195) [$syspreds] stream_position_field(line_position, 3)
   Call: (195) [system] arg(3, '$stream_position'(400, 14, 0, 400), _964182)
   Exit: (195) [system] arg(3, '$stream_position'(400, 14, 0, 400), 0)
   Exit: (194) [$syspreds] stream_position_data(line_position, '$stream_position'(400, 14, 0, 400), 0)
   Call: (194) [$syspreds] stream_position_data(char_count, '$stream_position'(400, 14, 0, 400), _964184)
   Call: (195) [system] nonvar(char_count)
   Exit: (195) [system] nonvar(char_count)
   Call: (195) [$syspreds] stream_position_field(char_count, _988342)
   Exit: (195) [$syspreds] stream_position_field(char_count, 1)
   Call: (195) [system] arg(1, '$stream_position'(400, 14, 0, 400), _964184)
   Exit: (195) [system] arg(1, '$stream_position'(400, 14, 0, 400), 400)
   Exit: (194) [$syspreds] stream_position_data(char_count, '$stream_position'(400, 14, 0, 400), 400)
^  Exit: (193) [user] read_position((0x55772f068e50), 14, 0, 400, '$stream_position'(400, 14, 0, 400))
   Call: (193) [read_util] read_util:read_line_to_string((0x55772f068e50), _993936)
   Call: (194) [system] read_string((0x55772f068e50), '\n', '\r', _994866, _994868)
   Exit: (194) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";; Define Nat")
   Call: (194) [system] 10\== -1
   Exit: (194) [system] 10\== -1
   Call: (194) [system] _993936=";; Define Nat"
   Exit: (194) [system] ";; Define Nat"=";; Define Nat"
   Exit: (193) [read_util] read_util:read_line_to_string((0x55772f068e50), ";; Define Nat")
^  Call: (193) [user] assertz(metta_file_comment(14, 0, 400, '$COMMENT'(";; Define Nat", 14, 0), '$stream_position'(400, 14, 0, 400)))
^  Exit: (193) [user] assertz(metta_file_comment(14, 0, 400, '$COMMENT'(";; Define Nat", 14, 0), '$stream_position'(400, 14, 0, 400)))
^  Exit: (192) [user] read_single_line_comment((0x55772f068e50))
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1005126)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
^  Exit: (182) [user] skip_spaces((0x55772f068e50))
^  Exit: (181) [user] skip_spaces((0x55772f068e50))
^  Exit: (180) [user] skip_spaces((0x55772f068e50))
^  Exit: (179) [user] skip_spaces((0x55772f068e50))
^  Exit: (178) [user] skip_spaces((0x55772f068e50))
   Call: (178) [system] get_char((0x55772f068e50), _1034072)
   Exit: (178) [system] get_char((0x55772f068e50), '(')
   Call: (178) [system] '('='('
   Exit: (178) [system] '('='('
^  Call: (178) [user] read_list(')', (0x55772f068e50), _425832)
^  Call: (179) [user] skip_spaces((0x55772f068e50))
   Call: (180) [system] peek_char((0x55772f068e50), _1039642)
   Exit: (180) [system] peek_char((0x55772f068e50), :)
   Call: (180) [system] (:)=(;)
   Fail: (180) [system] (:)=(;)
   Call: (180) [system] (:)=(/)
   Fail: (180) [system] (:)=(/)
^  Call: (180) [user] is_like_space(:)
   Call: (181) [system] char_type(:, 'white')
   Fail: (181) [system] char_type(:, 'white')
   Call: (181) [system] char_type(:, end_of_line)
   Fail: (181) [system] char_type(:, end_of_line)
   Call: (181) [system] char_type(:, space)
   Fail: (181) [system] char_type(:, space)
   Call: (181) [system] char_type(:, cntrl)
   Fail: (181) [system] char_type(:, cntrl)
^  Fail: (180) [user] is_like_space(:)
^  Exit: (179) [user] skip_spaces((0x55772f068e50))
   Call: (179) [system] peek_char((0x55772f068e50), _1055652)
   Exit: (179) [system] peek_char((0x55772f068e50), :)
   Call: (179) [system] (:)=')'
   Fail: (179) [system] (:)=')'
   Call: (179) [system] (:)=end_of_file
   Fail: (179) [system] (:)=end_of_file
^  Call: (179) [user] cont_sexpr(')', (0x55772f068e50), _1061222)
^  Call: (180) [user] skip_spaces((0x55772f068e50))
   Call: (181) [system] peek_char((0x55772f068e50), _1063080)
   Exit: (181) [system] peek_char((0x55772f068e50), :)
   Call: (181) [system] (:)=(;)
   Fail: (181) [system] (:)=(;)
   Call: (181) [system] (:)=(/)
   Fail: (181) [system] (:)=(/)
^  Call: (181) [user] is_like_space(:)
   Call: (182) [system] char_type(:, 'white')
   Fail: (182) [system] char_type(:, 'white')
   Call: (182) [system] char_type(:, end_of_line)
   Fail: (182) [system] char_type(:, end_of_line)
   Call: (182) [system] char_type(:, space)
   Fail: (182) [system] char_type(:, space)
   Call: (182) [system] char_type(:, cntrl)
   Fail: (182) [system] char_type(:, cntrl)
^  Fail: (181) [user] is_like_space(:)
^  Exit: (180) [user] skip_spaces((0x55772f068e50))
   Call: (180) [system] get_char((0x55772f068e50), _1079090)
   Exit: (180) [system] get_char((0x55772f068e50), :)
   Call: (180) [system] (:)='('
   Fail: (180) [system] (:)='('
   Call: (180) [system] (:)='['
   Fail: (180) [system] (:)='['
   Call: (180) [system] (:)='{'
   Fail: (180) [system] (:)='{'
   Call: (180) [system] (:)='"'
   Fail: (180) [system] (:)='"'
   Call: (180) [system] (:)=!
   Fail: (180) [system] (:)=!
   Call: (180) [system] (:)='\''
   Fail: (180) [system] (:)='\''
   Call: (180) [system] (:)='`'
   Fail: (180) [system] (:)='`'
   Call: (180) [system] (:)=end_of_file
   Fail: (180) [system] (:)=end_of_file
^  Call: (180) [user] read_symbolic(')', (0x55772f068e50), :, _1061222)
^  Call: (181) [user] read_symbolic_cont(')', (0x55772f068e50), _1096732)
   Call: (182) [system] peek_char((0x55772f068e50), _1097666)
   Exit: (182) [system] peek_char((0x55772f068e50), ' ')
^  Call: (182) [user] is_delimiter(' ')
   Call: (183) [system] char_type(' ', space)
   Exit: (183) [system] char_type(' ', space)
^  Exit: (182) [user] is_delimiter(' ')
   Call: (182) [system] _1096732=[]
   Exit: (182) [system] []=[]
^  Exit: (181) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (181) [user] classify_and_convert_charseq([:], _1061222)
^  Call: (182) [user] classify_and_convert_charseq_([:], _1106950)
^  Call: (184) [system] setup_call_cleanup('$notrace'(_1107902, _1107904), once(user:catch(read_from_chars([:], _1106950), _1107884, fail)), '$restore_trace'(_1107902, _1107904))
^  Call: (185) [system] sig_atomic(system:'$notrace'(_1107902, _1107904))
^  Exit: (184) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1107884, fail)), system:'$restore_trace'(3, -1))
   Call: (183) [system] atomic(:)
   Exit: (183) [system] atomic(:)
^  Exit: (182) [user] classify_and_convert_charseq_([:], :)
   Call: (182) [system] integer(:)
   Fail: (182) [system] integer(:)
   Call: (182) [system] _1061222=(:)
   Exit: (182) [system] (:)=(:)
^  Exit: (181) [user] classify_and_convert_charseq([:], :)
^  Exit: (180) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (179) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (179) [user] read_list(')', (0x55772f068e50), _1120030)
^  Call: (180) [user] skip_spaces((0x55772f068e50))
   Call: (181) [system] peek_char((0x55772f068e50), _1121888)
   Exit: (181) [system] peek_char((0x55772f068e50), ' ')
   Call: (181) [system] ' '=(;)
   Fail: (181) [system] ' '=(;)
   Call: (181) [system] ' '=(/)
   Fail: (181) [system] ' '=(/)
^  Call: (181) [user] is_like_space(' ')
   Call: (182) [system] char_type(' ', 'white')
   Exit: (182) [system] char_type(' ', 'white')
^  Exit: (181) [user] is_like_space(' ')
   Call: (181) [system] get_char((0x55772f068e50), _1131482)
   Exit: (181) [system] get_char((0x55772f068e50), ' ')
^  Call: (181) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _1134186)
   Exit: (182) [system] peek_char((0x55772f068e50), 'N')
   Call: (182) [system] 'N'=(;)
   Fail: (182) [system] 'N'=(;)
   Call: (182) [system] 'N'=(/)
   Fail: (182) [system] 'N'=(/)
^  Call: (182) [user] is_like_space('N')
   Call: (183) [system] char_type('N', 'white')
   Fail: (183) [system] char_type('N', 'white')
   Call: (183) [system] char_type('N', end_of_line)
   Fail: (183) [system] char_type('N', end_of_line)
   Call: (183) [system] char_type('N', space)
   Fail: (183) [system] char_type('N', space)
   Call: (183) [system] char_type('N', cntrl)
   Fail: (183) [system] char_type('N', cntrl)
^  Fail: (182) [user] is_like_space('N')
^  Exit: (181) [user] skip_spaces((0x55772f068e50))
^  Exit: (180) [user] skip_spaces((0x55772f068e50))
   Call: (180) [system] peek_char((0x55772f068e50), _1151120)
   Exit: (180) [system] peek_char((0x55772f068e50), 'N')
   Call: (180) [system] 'N'=')'
   Fail: (180) [system] 'N'=')'
   Call: (180) [system] 'N'=end_of_file
   Fail: (180) [system] 'N'=end_of_file
^  Call: (180) [user] cont_sexpr(')', (0x55772f068e50), _1156690)
^  Call: (181) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _1158548)
   Exit: (182) [system] peek_char((0x55772f068e50), 'N')
   Call: (182) [system] 'N'=(;)
   Fail: (182) [system] 'N'=(;)
   Call: (182) [system] 'N'=(/)
   Fail: (182) [system] 'N'=(/)
^  Call: (182) [user] is_like_space('N')
   Call: (183) [system] char_type('N', 'white')
   Fail: (183) [system] char_type('N', 'white')
   Call: (183) [system] char_type('N', end_of_line)
   Fail: (183) [system] char_type('N', end_of_line)
   Call: (183) [system] char_type('N', space)
   Fail: (183) [system] char_type('N', space)
   Call: (183) [system] char_type('N', cntrl)
   Fail: (183) [system] char_type('N', cntrl)
^  Fail: (182) [user] is_like_space('N')
^  Exit: (181) [user] skip_spaces((0x55772f068e50))
   Call: (181) [system] get_char((0x55772f068e50), _1174558)
   Exit: (181) [system] get_char((0x55772f068e50), 'N')
   Call: (181) [system] 'N'='('
   Fail: (181) [system] 'N'='('
   Call: (181) [system] 'N'='['
   Fail: (181) [system] 'N'='['
   Call: (181) [system] 'N'='{'
   Fail: (181) [system] 'N'='{'
   Call: (181) [system] 'N'='"'
   Fail: (181) [system] 'N'='"'
   Call: (181) [system] 'N'=!
   Fail: (181) [system] 'N'=!
   Call: (181) [system] 'N'='\''
   Fail: (181) [system] 'N'='\''
   Call: (181) [system] 'N'='`'
   Fail: (181) [system] 'N'='`'
   Call: (181) [system] 'N'=end_of_file
   Fail: (181) [system] 'N'=end_of_file
^  Call: (181) [user] read_symbolic(')', (0x55772f068e50), 'N', _1156690)
^  Call: (182) [user] read_symbolic_cont(')', (0x55772f068e50), _1192200)
   Call: (183) [system] peek_char((0x55772f068e50), _1193134)
   Exit: (183) [system] peek_char((0x55772f068e50), a)
^  Call: (183) [user] is_delimiter(a)
   Call: (184) [system] char_type(a, space)
   Fail: (184) [system] char_type(a, space)
   Call: (184) [system] arg(_1197854, v('(', ')', end_of_file), a)
   Fail: (184) [system] arg(_1198786, v('(', ')', end_of_file), a)
^  Fail: (183) [user] is_delimiter(a)
   Call: (183) [system] ')'==a
   Fail: (183) [system] ')'==a
   Call: (183) [system] get_char((0x55772f068e50), a)
   Exit: (183) [system] get_char((0x55772f068e50), a)
   Call: (183) [system] a=(\)
   Fail: (183) [system] a=(\)
^  Call: (183) [user] read_symbolic_cont(')', (0x55772f068e50), _1206136)
   Call: (184) [system] peek_char((0x55772f068e50), _1207070)
   Exit: (184) [system] peek_char((0x55772f068e50), t)
^  Call: (184) [user] is_delimiter(t)
   Call: (185) [system] char_type(t, space)
   Fail: (185) [system] char_type(t, space)
   Call: (185) [system] arg(_1211790, v('(', ')', end_of_file), t)
   Fail: (185) [system] arg(_1212722, v('(', ')', end_of_file), t)
^  Fail: (184) [user] is_delimiter(t)
   Call: (184) [system] ')'==t
   Fail: (184) [system] ')'==t
   Call: (184) [system] get_char((0x55772f068e50), t)
   Exit: (184) [system] get_char((0x55772f068e50), t)
   Call: (184) [system] t=(\)
   Fail: (184) [system] t=(\)
^  Call: (184) [user] read_symbolic_cont(')', (0x55772f068e50), _1220072)
   Call: (185) [system] peek_char((0x55772f068e50), _1221006)
   Exit: (185) [system] peek_char((0x55772f068e50), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1220072=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (184) [system] _1206136=[t]
   Exit: (184) [system] [t]=[t]
^  Exit: (183) [user] read_symbolic_cont(')', (0x55772f068e50), [t])
   Call: (183) [system] _1192200=[a, t]
   Exit: (183) [system] [a, t]=[a, t]
^  Exit: (182) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t])
^  Call: (182) [user] classify_and_convert_charseq(['N', a, t], _1156690)
^  Call: (183) [user] classify_and_convert_charseq_(['N', a, t], _1235878)
^  Call: (185) [system] setup_call_cleanup('$notrace'(_1236830, _1236832), once(user:catch(read_from_chars(['N', a, t], _1235878), _1236812, fail)), '$restore_trace'(_1236830, _1236832))
^  Call: (186) [system] sig_atomic(system:'$notrace'(_1236830, _1236832))
^  Exit: (185) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['N', a, t], _1235878), _1236812, fail)), system:'$restore_trace'(3, -1))
   Call: (184) [system] atomic(_1235878)
   Fail: (184) [system] atomic(_1235878)
   Call: (184) [system] atom_chars(_1235878, ['N', a, t])
   Exit: (184) [system] atom_chars('Nat', ['N', a, t])
^  Exit: (183) [user] classify_and_convert_charseq_(['N', a, t], 'Nat')
   Call: (183) [system] integer('Nat')
   Fail: (183) [system] integer('Nat')
   Call: (183) [system] _1156690='Nat'
   Exit: (183) [system] 'Nat'='Nat'
^  Exit: (182) [user] classify_and_convert_charseq(['N', a, t], 'Nat')
^  Exit: (181) [user] read_symbolic(')', (0x55772f068e50), 'N', 'Nat')
^  Exit: (180) [user] cont_sexpr(')', (0x55772f068e50), 'Nat')
^  Call: (180) [user] read_list(')', (0x55772f068e50), _1250828)
^  Call: (181) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _1252686)
   Exit: (182) [system] peek_char((0x55772f068e50), ' ')
   Call: (182) [system] ' '=(;)
   Fail: (182) [system] ' '=(;)
   Call: (182) [system] ' '=(/)
   Fail: (182) [system] ' '=(/)
^  Call: (182) [user] is_like_space(' ')
   Call: (183) [system] char_type(' ', 'white')
   Exit: (183) [system] char_type(' ', 'white')
^  Exit: (182) [user] is_like_space(' ')
   Call: (182) [system] get_char((0x55772f068e50), _1262280)
   Exit: (182) [system] get_char((0x55772f068e50), ' ')
^  Call: (182) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _1264984)
   Exit: (183) [system] peek_char((0x55772f068e50), 'T')
   Call: (183) [system] 'T'=(;)
   Fail: (183) [system] 'T'=(;)
   Call: (183) [system] 'T'=(/)
   Fail: (183) [system] 'T'=(/)
^  Call: (183) [user] is_like_space('T')
   Call: (184) [system] char_type('T', 'white')
   Fail: (184) [system] char_type('T', 'white')
   Call: (184) [system] char_type('T', end_of_line)
   Fail: (184) [system] char_type('T', end_of_line)
   Call: (184) [system] char_type('T', space)
   Fail: (184) [system] char_type('T', space)
   Call: (184) [system] char_type('T', cntrl)
   Fail: (184) [system] char_type('T', cntrl)
^  Fail: (183) [user] is_like_space('T')
^  Exit: (182) [user] skip_spaces((0x55772f068e50))
^  Exit: (181) [user] skip_spaces((0x55772f068e50))
   Call: (181) [system] peek_char((0x55772f068e50), _1281918)
   Exit: (181) [system] peek_char((0x55772f068e50), 'T')
   Call: (181) [system] 'T'=')'
   Fail: (181) [system] 'T'=')'
   Call: (181) [system] 'T'=end_of_file
   Fail: (181) [system] 'T'=end_of_file
^  Call: (181) [user] cont_sexpr(')', (0x55772f068e50), _1287488)
^  Call: (182) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _1289346)
   Exit: (183) [system] peek_char((0x55772f068e50), 'T')
   Call: (183) [system] 'T'=(;)
   Fail: (183) [system] 'T'=(;)
   Call: (183) [system] 'T'=(/)
   Fail: (183) [system] 'T'=(/)
^  Call: (183) [user] is_like_space('T')
   Call: (184) [system] char_type('T', 'white')
   Fail: (184) [system] char_type('T', 'white')
   Call: (184) [system] char_type('T', end_of_line)
   Fail: (184) [system] char_type('T', end_of_line)
   Call: (184) [system] char_type('T', space)
   Fail: (184) [system] char_type('T', space)
   Call: (184) [system] char_type('T', cntrl)
   Fail: (184) [system] char_type('T', cntrl)
^  Fail: (183) [user] is_like_space('T')
^  Exit: (182) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] get_char((0x55772f068e50), _1305356)
   Exit: (182) [system] get_char((0x55772f068e50), 'T')
   Call: (182) [system] 'T'='('
   Fail: (182) [system] 'T'='('
   Call: (182) [system] 'T'='['
   Fail: (182) [system] 'T'='['
   Call: (182) [system] 'T'='{'
   Fail: (182) [system] 'T'='{'
   Call: (182) [system] 'T'='"'
   Fail: (182) [system] 'T'='"'
   Call: (182) [system] 'T'=!
   Fail: (182) [system] 'T'=!
   Call: (182) [system] 'T'='\''
   Fail: (182) [system] 'T'='\''
   Call: (182) [system] 'T'='`'
   Fail: (182) [system] 'T'='`'
   Call: (182) [system] 'T'=end_of_file
   Fail: (182) [system] 'T'=end_of_file
^  Call: (182) [user] read_symbolic(')', (0x55772f068e50), 'T', _1287488)
^  Call: (183) [user] read_symbolic_cont(')', (0x55772f068e50), _1322998)
   Call: (184) [system] peek_char((0x55772f068e50), _1323932)
   Exit: (184) [system] peek_char((0x55772f068e50), y)
^  Call: (184) [user] is_delimiter(y)
   Call: (185) [system] char_type(y, space)
   Fail: (185) [system] char_type(y, space)
   Call: (185) [system] arg(_1328652, v('(', ')', end_of_file), y)
   Fail: (185) [system] arg(_1329584, v('(', ')', end_of_file), y)
^  Fail: (184) [user] is_delimiter(y)
   Call: (184) [system] ')'==y
   Fail: (184) [system] ')'==y
   Call: (184) [system] get_char((0x55772f068e50), y)
   Exit: (184) [system] get_char((0x55772f068e50), y)
   Call: (184) [system] y=(\)
   Fail: (184) [system] y=(\)
^  Call: (184) [user] read_symbolic_cont(')', (0x55772f068e50), _1336934)
   Call: (185) [system] peek_char((0x55772f068e50), _1337868)
   Exit: (185) [system] peek_char((0x55772f068e50), p)
^  Call: (185) [user] is_delimiter(p)
   Call: (186) [system] char_type(p, space)
   Fail: (186) [system] char_type(p, space)
   Call: (186) [system] arg(_1342588, v('(', ')', end_of_file), p)
   Fail: (186) [system] arg(_1343520, v('(', ')', end_of_file), p)
^  Fail: (185) [user] is_delimiter(p)
   Call: (185) [system] ')'==p
   Fail: (185) [system] ')'==p
   Call: (185) [system] get_char((0x55772f068e50), p)
   Exit: (185) [system] get_char((0x55772f068e50), p)
   Call: (185) [system] p=(\)
   Fail: (185) [system] p=(\)
^  Call: (185) [user] read_symbolic_cont(')', (0x55772f068e50), _1350870)
   Call: (186) [system] peek_char((0x55772f068e50), _1351804)
   Exit: (186) [system] peek_char((0x55772f068e50), e)
^  Call: (186) [user] is_delimiter(e)
   Call: (187) [system] char_type(e, space)
   Fail: (187) [system] char_type(e, space)
   Call: (187) [system] arg(_1356524, v('(', ')', end_of_file), e)
   Fail: (187) [system] arg(_1357456, v('(', ')', end_of_file), e)
^  Fail: (186) [user] is_delimiter(e)
   Call: (186) [system] ')'==e
   Fail: (186) [system] ')'==e
   Call: (186) [system] get_char((0x55772f068e50), e)
   Exit: (186) [system] get_char((0x55772f068e50), e)
   Call: (186) [system] e=(\)
   Fail: (186) [system] e=(\)
^  Call: (186) [user] read_symbolic_cont(')', (0x55772f068e50), _1364806)
   Call: (187) [system] peek_char((0x55772f068e50), _1365740)
   Exit: (187) [system] peek_char((0x55772f068e50), ')')
^  Call: (187) [user] is_delimiter(')')
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] arg(_1370460, v('(', ')', end_of_file), ')')
   Exit: (188) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (187) [user] is_delimiter(')')
   Call: (187) [system] _1364806=[]
   Exit: (187) [system] []=[]
^  Exit: (186) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (186) [system] _1350870=[e]
   Exit: (186) [system] [e]=[e]
^  Exit: (185) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (185) [system] _1336934=[p, e]
   Exit: (185) [system] [p, e]=[p, e]
^  Exit: (184) [user] read_symbolic_cont(')', (0x55772f068e50), [p, e])
   Call: (184) [system] _1322998=[y, p, e]
   Exit: (184) [system] [y, p, e]=[y, p, e]
^  Exit: (183) [user] read_symbolic_cont(')', (0x55772f068e50), [y, p, e])
^  Call: (183) [user] classify_and_convert_charseq(['T', y, p, e], _1287488)
^  Call: (184) [user] classify_and_convert_charseq_(['T', y, p, e], _1385278)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_1386230, _1386232), once(user:catch(read_from_chars(['T', y, p, e], _1385278), _1386212, fail)), '$restore_trace'(_1386230, _1386232))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_1386230, _1386232))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['T', y, p, e], _1385278), _1386212, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(_1385278)
   Fail: (185) [system] atomic(_1385278)
   Call: (185) [system] atom_chars(_1385278, ['T', y, p, e])
   Exit: (185) [system] atom_chars('Type', ['T', y, p, e])
^  Exit: (184) [user] classify_and_convert_charseq_(['T', y, p, e], 'Type')
   Call: (184) [system] integer('Type')
   Fail: (184) [system] integer('Type')
   Call: (184) [system] _1287488='Type'
   Exit: (184) [system] 'Type'='Type'
^  Exit: (183) [user] classify_and_convert_charseq(['T', y, p, e], 'Type')
^  Exit: (182) [user] read_symbolic(')', (0x55772f068e50), 'T', 'Type')
^  Exit: (181) [user] cont_sexpr(')', (0x55772f068e50), 'Type')
^  Call: (181) [user] read_list(')', (0x55772f068e50), _1400228)
^  Call: (182) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _1402086)
   Exit: (183) [system] peek_char((0x55772f068e50), ')')
   Call: (183) [system] ')'=(;)
   Fail: (183) [system] ')'=(;)
   Call: (183) [system] ')'=(/)
   Fail: (183) [system] ')'=(/)
^  Call: (183) [user] is_like_space(')')
   Call: (184) [system] char_type(')', 'white')
   Fail: (184) [system] char_type(')', 'white')
   Call: (184) [system] char_type(')', end_of_line)
   Fail: (184) [system] char_type(')', end_of_line)
   Call: (184) [system] char_type(')', space)
   Fail: (184) [system] char_type(')', space)
   Call: (184) [system] char_type(')', cntrl)
   Fail: (184) [system] char_type(')', cntrl)
^  Fail: (183) [user] is_like_space(')')
^  Exit: (182) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _1418096)
   Exit: (182) [system] peek_char((0x55772f068e50), ')')
   Call: (182) [system] ')'=')'
   Exit: (182) [system] ')'=')'
   Call: (182) [system] get_char((0x55772f068e50), _1421886)
   Exit: (182) [system] get_char((0x55772f068e50), ')')
   Call: (182) [system] _1400228=[]
   Exit: (182) [system] []=[]
^  Exit: (181) [user] read_list(')', (0x55772f068e50), [])
   Call: (181) [system] _1250828=['Type']
   Exit: (181) [system] ['Type']=['Type']
^  Exit: (180) [user] read_list(')', (0x55772f068e50), ['Type'])
   Call: (180) [system] _1120030=['Nat', 'Type']
   Exit: (180) [system] ['Nat', 'Type']=['Nat', 'Type']
^  Exit: (179) [user] read_list(')', (0x55772f068e50), ['Nat', 'Type'])
   Call: (179) [system] _425832=[:, 'Nat', 'Type']
   Exit: (179) [system] [:, 'Nat', 'Type']=[:, 'Nat', 'Type']
^  Exit: (178) [user] read_list(')', (0x55772f068e50), [:, 'Nat', 'Type'])
^  Exit: (177) [user] cont_sexpr(')', (0x55772f068e50), [:, 'Nat', 'Type'])
^  Exit: (176) [user] read_sexpr((0x55772f068e50), [:, 'Nat', 'Type'])
^  Call: (176) [user] assertz(metta_file_comment(1, 0, 0, [:, 'Nat', 'Type'], '$stream_position'(0, 1, 0, 0)))
^  Exit: (176) [user] assertz(metta_file_comment(1, 0, 0, [:, 'Nat', 'Type'], '$stream_position'(0, 1, 0, 0)))
^  Exit: (174) [system] once(user:(read_position((0x55772f068e50), 1, 0, 0, '$stream_position'(0, 1, 0, 0)), read_sexpr((0x55772f068e50), [:, 'Nat', 'Type']), assertz(metta_file_comment(1, 0, 0, [:, 'Nat', 'Type'], '$stream_position'(0, 1, 0, 0)))))
   Call: (174) [system] fail
^  Call: (174) [user] retract(metta_file_comment(_1440404, _1440406, _1440408, _1440410, _1440412))
^  Exit: (174) [user] retract(metta_file_comment(34, 0, 1111, '$COMMENT'(";;", 34, 0), '$stream_position'(1111, 34, 0, 1111)))
^  Call: (174) [user] trly(untyped_to_metta, '$COMMENT'(";;", 34, 0), _400336)
^  Call: (175) [user] once(call(untyped_to_metta, '$COMMENT'(";;", 34, 0), _1443236))
^  Call: (176) [user] call(untyped_to_metta, '$COMMENT'(";;", 34, 0), _1443236)
^  Call: (177) [user] untyped_to_metta('$COMMENT'(";;", 34, 0), _1443236)
^  Call: (178) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;", 34, 0), _1446052))
^  Call: (179) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;", 34, 0), _1446052))
^  Call: (180) [user] trly(mfix_vars1, '$COMMENT'(";;", 34, 0), _1446052)
^  Call: (181) [user] once(call(mfix_vars1, '$COMMENT'(";;", 34, 0), _1448852))
^  Call: (182) [user] call(mfix_vars1, '$COMMENT'(";;", 34, 0), _1448852)
^  Call: (183) [user] mfix_vars1('$COMMENT'(";;", 34, 0), _1448852)
   Call: (184) [system] var('$COMMENT'(";;", 34, 0))
   Call: (184) [system] atom('$COMMENT'(";;", 34, 0))
   Call: (184) [system] '$COMMENT'(";;", 34, 0)==true
   Call: (184) [system] '$COMMENT'(";;", 34, 0)==false
   Call: (184) [system] '$COMMENT'(";;", 34, 0)==[_1455372, _1455378]
   Call: (184) [system] is_list('$COMMENT'(";;", 34, 0))
   Call: (184) [system] string('$COMMENT'(";;", 34, 0))
   Call: (184) [system] compound('$COMMENT'(";;", 34, 0))
   Exit: (184) [system] compound('$COMMENT'(";;", 34, 0))
   Call: (184) [system] compound_name_arguments('$COMMENT'(";;", 34, 0), _1460006, _1460008)
   Exit: (184) [system] compound_name_arguments('$COMMENT'(";;", 34, 0), '$COMMENT', [";;", 34, 0])
   Call: (184) [system] '$COMMENT'\=='$VAR'
   Exit: (184) [system] '$COMMENT'\=='$VAR'
^  Call: (184) [user] apply:maplist(mfix_vars1, [";;", 34, 0], _1463748)
   Call: (185) [apply] apply:maplist_([";;", 34, 0], _1463748, user:mfix_vars1)
^  Call: (186) [user] mfix_vars1(";;", _1465628)
   Call: (187) [system] var(";;")
   Call: (187) [system] atom(";;")
   Call: (187) [system] ";;"==true
   Call: (187) [system] ";;"==false
   Call: (187) [system] ";;"==[_1470270, _1470276]
   Call: (187) [system] is_list(";;")
   Call: (187) [system] string(";;")
   Exit: (187) [system] string(";;")
^  Call: (187) [user] string_to_syms
   Call: (188) [system] fail
   Call: (187) [system] compound(";;")
^  Call: (187) [user] symbol(";;")
   Call: (188) [system] atom(";;")
   Fail: (188) [system] atom(";;")
^  Fail: (187) [user] symbol(";;")
   Call: (187) [system] ";;"=_1465628
   Exit: (187) [system] ";;"=";;"
^  Exit: (186) [user] mfix_vars1(";;", ";;")
   Call: (186) [apply] apply:maplist_([34, 0], _1465630, user:mfix_vars1)
^  Call: (187) [user] mfix_vars1(34, _1484150)
   Call: (188) [system] var(34)
   Call: (188) [system] atom(34)
   Call: (188) [system] 34==true
   Call: (188) [system] 34==false
   Call: (188) [system] 34==[_1488792, _1488798]
   Call: (188) [system] is_list(34)
   Call: (188) [system] string(34)
   Call: (188) [system] compound(34)
^  Call: (188) [user] symbol(34)
   Call: (189) [system] atom(34)
   Fail: (189) [system] atom(34)
^  Fail: (188) [user] symbol(34)
   Call: (188) [system] 34=_1484150
   Exit: (188) [system] 34=34
^  Exit: (187) [user] mfix_vars1(34, 34)
   Call: (187) [apply] apply:maplist_([0], _1484152, user:mfix_vars1)
^  Call: (188) [user] mfix_vars1(0, _1499916)
   Call: (189) [system] var(0)
   Call: (189) [system] atom(0)
   Call: (189) [system] 0==true
   Call: (189) [system] 0==false
   Call: (189) [system] 0==[_1504558, _1504564]
   Call: (189) [system] is_list(0)
   Call: (189) [system] string(0)
   Call: (189) [system] compound(0)
^  Call: (189) [user] symbol(0)
   Call: (190) [system] atom(0)
   Fail: (190) [system] atom(0)
^  Fail: (189) [user] symbol(0)
   Call: (189) [system] 0=_1499916
   Exit: (189) [system] 0=0
^  Exit: (188) [user] mfix_vars1(0, 0)
   Call: (188) [apply] apply:maplist_([], _1499918, user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (187) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (186) [apply] apply:maplist_([34, 0], [34, 0], user:mfix_vars1)
   Exit: (185) [apply] apply:maplist_([";;", 34, 0], [";;", 34, 0], user:mfix_vars1)
^  Exit: (184) [apply] apply:maplist(user:mfix_vars1, [";;", 34, 0], [";;", 34, 0])
   Call: (184) [system] compound_name_arguments(_1448852, '$COMMENT', [";;", 34, 0])
   Exit: (184) [system] compound_name_arguments('$COMMENT'(";;", 34, 0), '$COMMENT', [";;", 34, 0])
^  Exit: (183) [user] mfix_vars1('$COMMENT'(";;", 34, 0), '$COMMENT'(";;", 34, 0))
^  Exit: (182) [system] call(user:mfix_vars1, '$COMMENT'(";;", 34, 0), '$COMMENT'(";;", 34, 0))
^  Exit: (181) [system] once(user:call(mfix_vars1, '$COMMENT'(";;", 34, 0), '$COMMENT'(";;", 34, 0)))
   Call: (181) [system] '$COMMENT'(";;", 34, 0)\=@='$COMMENT'(";;", 34, 0)
^  Exit: (180) [user] trly(mfix_vars1, '$COMMENT'(";;", 34, 0), '$COMMENT'(";;", 34, 0))
^  Exit: (179) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;", 34, 0), '$COMMENT'(";;", 34, 0)))
^  Exit: (178) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;", 34, 0), '$COMMENT'(";;", 34, 0)))
^  Call: (178) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;", 34, 0), _1528734))
^  Call: (179) [user] once(user:trly(cons_to_c, '$COMMENT'(";;", 34, 0), _1528734))
^  Call: (180) [user] trly(cons_to_c, '$COMMENT'(";;", 34, 0), _1528734)
^  Call: (181) [user] once(call(cons_to_c, '$COMMENT'(";;", 34, 0), _1531534))
^  Call: (182) [user] call(cons_to_c, '$COMMENT'(";;", 34, 0), _1531534)
^  Call: (183) [user] cons_to_c('$COMMENT'(";;", 34, 0), _1531534)
^  Call: (184) [user] no_cons_reduce
^  Exit: (184) [user] no_cons_reduce
^  Exit: (183) [user] cons_to_c('$COMMENT'(";;", 34, 0), '$COMMENT'(";;", 34, 0))
^  Exit: (182) [system] call(user:cons_to_c, '$COMMENT'(";;", 34, 0), '$COMMENT'(";;", 34, 0))
^  Exit: (181) [system] once(user:call(cons_to_c, '$COMMENT'(";;", 34, 0), '$COMMENT'(";;", 34, 0)))
   Call: (181) [system] '$COMMENT'(";;", 34, 0)\=@='$COMMENT'(";;", 34, 0)
^  Exit: (180) [user] trly(cons_to_c, '$COMMENT'(";;", 34, 0), '$COMMENT'(";;", 34, 0))
^  Exit: (179) [system] once(user:trly(cons_to_c, '$COMMENT'(";;", 34, 0), '$COMMENT'(";;", 34, 0)))
^  Exit: (178) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;", 34, 0), '$COMMENT'(";;", 34, 0)))
^  Call: (178) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;", 34, 0), _1443236))
^  Call: (179) [user] once(user:trly(cons_to_l, '$COMMENT'(";;", 34, 0), _1443236))
^  Call: (180) [user] trly(cons_to_l, '$COMMENT'(";;", 34, 0), _1443236)
^  Call: (181) [user] once(call(cons_to_l, '$COMMENT'(";;", 34, 0), _1545492))
^  Call: (182) [user] call(cons_to_l, '$COMMENT'(";;", 34, 0), _1545492)
^  Call: (183) [user] cons_to_l('$COMMENT'(";;", 34, 0), _1545492)
^  Call: (184) [user] no_cons_reduce
^  Exit: (184) [user] no_cons_reduce
^  Exit: (183) [user] cons_to_l('$COMMENT'(";;", 34, 0), '$COMMENT'(";;", 34, 0))
^  Exit: (182) [system] call(user:cons_to_l, '$COMMENT'(";;", 34, 0), '$COMMENT'(";;", 34, 0))
^  Exit: (181) [system] once(user:call(cons_to_l, '$COMMENT'(";;", 34, 0), '$COMMENT'(";;", 34, 0)))
   Call: (181) [system] '$COMMENT'(";;", 34, 0)\=@='$COMMENT'(";;", 34, 0)
^  Exit: (180) [user] trly(cons_to_l, '$COMMENT'(";;", 34, 0), '$COMMENT'(";;", 34, 0))
^  Exit: (179) [system] once(user:trly(cons_to_l, '$COMMENT'(";;", 34, 0), '$COMMENT'(";;", 34, 0)))
^  Exit: (178) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;", 34, 0), '$COMMENT'(";;", 34, 0)))
^  Exit: (177) [user] untyped_to_metta('$COMMENT'(";;", 34, 0), '$COMMENT'(";;", 34, 0))
^  Exit: (176) [system] call(user:untyped_to_metta, '$COMMENT'(";;", 34, 0), '$COMMENT'(";;", 34, 0))
^  Exit: (175) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;", 34, 0), '$COMMENT'(";;", 34, 0)))
   Call: (175) [system] '$COMMENT'(";;", 34, 0)\=@='$COMMENT'(";;", 34, 0)
^  Exit: (174) [user] trly(untyped_to_metta, '$COMMENT'(";;", 34, 0), '$COMMENT'(";;", 34, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;", 34, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;", 34, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;", 34, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";;", 34, 0))
^  Exit: (171) [user] read_sform((0x55772f068e50), '$COMMENT'(";;", 34, 0))
^  Exit: (170) [system] once(user:read_sform((0x55772f068e50), '$COMMENT'(";;", 34, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x55772f068e50), '$COMMENT'(";;", 34, 0)))
   Call: (169) [system] '$COMMENT'(";;", 34, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;", 34, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_400386), arg(1, t(1727481849.951376), _400400), _400410 is _400386-_400400, _400410>4), (nb_setarg(1, t(1727481849.951376), _400386), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 34, 0)), 1]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _400498, _400498+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;", 34, 0), me_synthesize_1727481849_9551582, 1)))
^  Call: (171) [user] if_t((get_time(_400386), arg(1, t(1727481849.951376), _400400), _400410 is _400386-_400400, _400410>4), (nb_setarg(1, t(1727481849.951376), _400386), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 34, 0)), 1]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_400386)
   Exit: (173) [system] get_time(1727481850.1219342)
   Call: (173) [system] arg(1, t(1727481849.951376), _400400)
   Exit: (173) [system] arg(1, t(1727481849.951376), 1727481849.951376)
   Call: (173) [system] _400410 is 1727481850.1219342-1727481849.951376
   Exit: (173) [system] 0.17055821418762207 is 1727481850.1219342-1727481849.951376
   Call: (173) [system] 0.17055821418762207>4
   Fail: (173) [system] 0.17055821418762207>4
^  Exit: (171) [user] if_t((get_time(_400386), arg(1, t(1727481849.951376), _400400), _400410 is _400386-_400400, _400410>4), (nb_setarg(1, t(1727481849.951376), _400386), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 34, 0)), 1]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _400498, _400498+1)
   Call: (172) [system] _400498==_400498+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _400498, _400498+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _400498, _400498+1)
   Call: (175) [system] get_flag(translated_forms, _400498)
   Exit: (175) [system] get_flag(translated_forms, 0)
   Call: (175) [system] atom(0+1)
   Call: (175) [system] set_flag(translated_forms, 1)
   Exit: (175) [system] set_flag(translated_forms, 1)
   Exit: (174) [$syspreds] update_flag(translated_forms, 0, 0+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 0, 0+1))
   Exit: (171) [$syspreds] flag(translated_forms, 0, 0+1)
^  Call: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;", 34, 0), me_synthesize_1727481849_9551582, 1)
^  Call: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";;"])
^  Exit: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";;"])
^  Exit: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;", 34, 0), me_synthesize_1727481849_9551582, 1)
^  Exit: (169) [system] once(user:(if_t((get_time(_400386), arg(1, t(1727481849.951376), _400400), _400410 is _400386-_400400, _400410>4), (nb_setarg(1, t(1727481849.951376), _400386), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 34, 0)), 1]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 0, 0+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;", 34, 0), me_synthesize_1727481849_9551582, 1)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x55772f068e50))
   Fail: (169) [system] at_end_of_stream((0x55772f068e50))
^  Call: (169) [user] must_det_ll(line_count((0x55772f068e50), _400326))
^  Call: (170) [user] once(user:line_count((0x55772f068e50), _400326))
   Call: (171) [system] line_count((0x55772f068e50), _400326)
   Exit: (171) [system] line_count((0x55772f068e50), 15)
^  Exit: (170) [system] once(user:line_count((0x55772f068e50), 15))
^  Exit: (169) [user] must_det_ll(user:line_count((0x55772f068e50), 15))
^  Call: (169) [user] must_det_ll(read_sform((0x55772f068e50), _400336))
^  Call: (170) [user] once(user:read_sform((0x55772f068e50), _400336))
^  Call: (171) [user] read_sform((0x55772f068e50), _400336)
   Call: (172) [system] string((0x55772f068e50))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (173) [system] string((0x55772f068e50))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _400336)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _400336)
   Call: (174) [system] at_end_of_stream((0x55772f068e50))
   Call: (174) [system] peek_char((0x55772f068e50), _1615658)
   Exit: (174) [system] peek_char((0x55772f068e50), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x55772f068e50), '\n')
   Exit: (174) [system] get_char((0x55772f068e50), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), _400336)
   Call: (175) [system] at_end_of_stream((0x55772f068e50))
   Call: (175) [system] peek_char((0x55772f068e50), _1623080)
   Exit: (175) [system] peek_char((0x55772f068e50), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (176) [system] string((0x55772f068e50))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _400336)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _400336)
   Call: (177) [system] at_end_of_stream((0x55772f068e50))
   Call: (177) [system] peek_char((0x55772f068e50), _1631418)
   Exit: (177) [system] peek_char((0x55772f068e50), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _1634204=(0x55772f068e50)
   Exit: (177) [system] (0x55772f068e50)=(0x55772f068e50)
^  Call: (177) [user] once((read_position((0x55772f068e50), _1636072, _1636074, _1636076, _1636078), read_sexpr((0x55772f068e50), _1636090), assertz(metta_file_comment(_1636072, _1636074, _1636076, _1636090, _1636078))))
^  Call: (179) [user] read_position((0x55772f068e50), _1636072, _1636074, _1636076, _1636078)
   Call: (180) [system] stream_property((0x55772f068e50), position(_1636078))
   Call: (181) [system] nonvar((0x55772f068e50))
   Exit: (181) [system] nonvar((0x55772f068e50))
   Call: (181) [system] nonvar(position(_1636078))
   Exit: (181) [system] nonvar(position(_1636078))
   Exit: (180) [system] stream_property((0x55772f068e50), position('$stream_position'(427, 16, 0, 427)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(427, 16, 0, 427), _1636072)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1646330)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(427, 16, 0, 427), _1636072)
   Exit: (181) [system] arg(2, '$stream_position'(427, 16, 0, 427), 16)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(427, 16, 0, 427), 16)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(427, 16, 0, 427), _1636074)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1653764)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(427, 16, 0, 427), _1636074)
   Exit: (181) [system] arg(3, '$stream_position'(427, 16, 0, 427), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(427, 16, 0, 427), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(427, 16, 0, 427), _1636076)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1661198)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(427, 16, 0, 427), _1636076)
   Exit: (181) [system] arg(1, '$stream_position'(427, 16, 0, 427), 427)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(427, 16, 0, 427), 427)
^  Exit: (179) [user] read_position((0x55772f068e50), 16, 0, 427, '$stream_position'(427, 16, 0, 427))
^  Call: (179) [user] read_sexpr((0x55772f068e50), _1636090)
   Call: (180) [system] string((0x55772f068e50))
   Fail: (180) [system] string((0x55772f068e50))
^  Call: (180) [user] cont_sexpr(')', (0x55772f068e50), _1636090)
^  Call: (181) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _1671424)
   Exit: (182) [system] peek_char((0x55772f068e50), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x55772f068e50))
   Call: (181) [system] get_char((0x55772f068e50), _1687434)
   Exit: (181) [system] get_char((0x55772f068e50), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x55772f068e50), _1636090)
^  Call: (182) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _1693004)
   Exit: (183) [system] peek_char((0x55772f068e50), :)
   Call: (183) [system] (:)=(;)
   Fail: (183) [system] (:)=(;)
   Call: (183) [system] (:)=(/)
   Fail: (183) [system] (:)=(/)
^  Call: (183) [user] is_like_space(:)
   Call: (184) [system] char_type(:, 'white')
   Fail: (184) [system] char_type(:, 'white')
   Call: (184) [system] char_type(:, end_of_line)
   Fail: (184) [system] char_type(:, end_of_line)
   Call: (184) [system] char_type(:, space)
   Fail: (184) [system] char_type(:, space)
   Call: (184) [system] char_type(:, cntrl)
   Fail: (184) [system] char_type(:, cntrl)
^  Fail: (183) [user] is_like_space(:)
^  Exit: (182) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _1709014)
   Exit: (182) [system] peek_char((0x55772f068e50), :)
   Call: (182) [system] (:)=')'
   Fail: (182) [system] (:)=')'
   Call: (182) [system] (:)=end_of_file
   Fail: (182) [system] (:)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x55772f068e50), _1714584)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _1716442)
   Exit: (184) [system] peek_char((0x55772f068e50), :)
   Call: (184) [system] (:)=(;)
   Fail: (184) [system] (:)=(;)
   Call: (184) [system] (:)=(/)
   Fail: (184) [system] (:)=(/)
^  Call: (184) [user] is_like_space(:)
   Call: (185) [system] char_type(:, 'white')
   Fail: (185) [system] char_type(:, 'white')
   Call: (185) [system] char_type(:, end_of_line)
   Fail: (185) [system] char_type(:, end_of_line)
   Call: (185) [system] char_type(:, space)
   Fail: (185) [system] char_type(:, space)
   Call: (185) [system] char_type(:, cntrl)
   Fail: (185) [system] char_type(:, cntrl)
^  Fail: (184) [user] is_like_space(:)
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] get_char((0x55772f068e50), _1732452)
   Exit: (183) [system] get_char((0x55772f068e50), :)
   Call: (183) [system] (:)='('
   Fail: (183) [system] (:)='('
   Call: (183) [system] (:)='['
   Fail: (183) [system] (:)='['
   Call: (183) [system] (:)='{'
   Fail: (183) [system] (:)='{'
   Call: (183) [system] (:)='"'
   Fail: (183) [system] (:)='"'
   Call: (183) [system] (:)=!
   Fail: (183) [system] (:)=!
   Call: (183) [system] (:)='\''
   Fail: (183) [system] (:)='\''
   Call: (183) [system] (:)='`'
   Fail: (183) [system] (:)='`'
   Call: (183) [system] (:)=end_of_file
   Fail: (183) [system] (:)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x55772f068e50), :, _1714584)
^  Call: (184) [user] read_symbolic_cont(')', (0x55772f068e50), _1750094)
   Call: (185) [system] peek_char((0x55772f068e50), _1751028)
   Exit: (185) [system] peek_char((0x55772f068e50), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1750094=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (184) [user] classify_and_convert_charseq([:], _1714584)
^  Call: (185) [user] classify_and_convert_charseq_([:], _1760312)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_1761264, _1761266), once(user:catch(read_from_chars([:], _1760312), _1761246, fail)), '$restore_trace'(_1761264, _1761266))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_1761264, _1761266))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1761246, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(:)
   Exit: (186) [system] atomic(:)
^  Exit: (185) [user] classify_and_convert_charseq_([:], :)
   Call: (185) [system] integer(:)
   Fail: (185) [system] integer(:)
   Call: (185) [system] _1714584=(:)
   Exit: (185) [system] (:)=(:)
^  Exit: (184) [user] classify_and_convert_charseq([:], :)
^  Exit: (183) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (182) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (182) [user] read_list(')', (0x55772f068e50), _1773392)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _1775250)
   Exit: (184) [system] peek_char((0x55772f068e50), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x55772f068e50), _1784844)
   Exit: (184) [system] get_char((0x55772f068e50), ' ')
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1787548)
   Exit: (185) [system] peek_char((0x55772f068e50), 'Z')
   Call: (185) [system] 'Z'=(;)
   Fail: (185) [system] 'Z'=(;)
   Call: (185) [system] 'Z'=(/)
   Fail: (185) [system] 'Z'=(/)
^  Call: (185) [user] is_like_space('Z')
   Call: (186) [system] char_type('Z', 'white')
   Fail: (186) [system] char_type('Z', 'white')
   Call: (186) [system] char_type('Z', end_of_line)
   Fail: (186) [system] char_type('Z', end_of_line)
   Call: (186) [system] char_type('Z', space)
   Fail: (186) [system] char_type('Z', space)
   Call: (186) [system] char_type('Z', cntrl)
   Fail: (186) [system] char_type('Z', cntrl)
^  Fail: (185) [user] is_like_space('Z')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _1804482)
   Exit: (183) [system] peek_char((0x55772f068e50), 'Z')
   Call: (183) [system] 'Z'=')'
   Fail: (183) [system] 'Z'=')'
   Call: (183) [system] 'Z'=end_of_file
   Fail: (183) [system] 'Z'=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x55772f068e50), _1810052)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1811910)
   Exit: (185) [system] peek_char((0x55772f068e50), 'Z')
   Call: (185) [system] 'Z'=(;)
   Fail: (185) [system] 'Z'=(;)
   Call: (185) [system] 'Z'=(/)
   Fail: (185) [system] 'Z'=(/)
^  Call: (185) [user] is_like_space('Z')
   Call: (186) [system] char_type('Z', 'white')
   Fail: (186) [system] char_type('Z', 'white')
   Call: (186) [system] char_type('Z', end_of_line)
   Fail: (186) [system] char_type('Z', end_of_line)
   Call: (186) [system] char_type('Z', space)
   Fail: (186) [system] char_type('Z', space)
   Call: (186) [system] char_type('Z', cntrl)
   Fail: (186) [system] char_type('Z', cntrl)
^  Fail: (185) [user] is_like_space('Z')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] get_char((0x55772f068e50), _1827920)
   Exit: (184) [system] get_char((0x55772f068e50), 'Z')
   Call: (184) [system] 'Z'='('
   Fail: (184) [system] 'Z'='('
   Call: (184) [system] 'Z'='['
   Fail: (184) [system] 'Z'='['
   Call: (184) [system] 'Z'='{'
   Fail: (184) [system] 'Z'='{'
   Call: (184) [system] 'Z'='"'
   Fail: (184) [system] 'Z'='"'
   Call: (184) [system] 'Z'=!
   Fail: (184) [system] 'Z'=!
   Call: (184) [system] 'Z'='\''
   Fail: (184) [system] 'Z'='\''
   Call: (184) [system] 'Z'='`'
   Fail: (184) [system] 'Z'='`'
   Call: (184) [system] 'Z'=end_of_file
   Fail: (184) [system] 'Z'=end_of_file
^  Call: (184) [user] read_symbolic(')', (0x55772f068e50), 'Z', _1810052)
^  Call: (185) [user] read_symbolic_cont(')', (0x55772f068e50), _1845562)
   Call: (186) [system] peek_char((0x55772f068e50), _1846496)
   Exit: (186) [system] peek_char((0x55772f068e50), ' ')
^  Call: (186) [user] is_delimiter(' ')
   Call: (187) [system] char_type(' ', space)
   Exit: (187) [system] char_type(' ', space)
^  Exit: (186) [user] is_delimiter(' ')
   Call: (186) [system] _1845562=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (185) [user] classify_and_convert_charseq(['Z'], _1810052)
^  Call: (186) [user] classify_and_convert_charseq_(['Z'], _1855780)
^  Call: (188) [system] setup_call_cleanup('$notrace'(_1856732, _1856734), once(user:catch(read_from_chars(['Z'], _1855780), _1856714, fail)), '$restore_trace'(_1856732, _1856734))
^  Call: (189) [system] sig_atomic(system:'$notrace'(_1856732, _1856734))
^  Exit: (188) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['Z'], _1855780), _1856714, fail)), system:'$restore_trace'(3, -1))
   Call: (187) [system] atomic(_1855780)
   Fail: (187) [system] atomic(_1855780)
   Call: (187) [system] atom_chars(_1855780, ['Z'])
   Exit: (187) [system] atom_chars('Z', ['Z'])
^  Exit: (186) [user] classify_and_convert_charseq_(['Z'], 'Z')
   Call: (186) [system] integer('Z')
   Fail: (186) [system] integer('Z')
   Call: (186) [system] _1810052='Z'
   Exit: (186) [system] 'Z'='Z'
^  Exit: (185) [user] classify_and_convert_charseq(['Z'], 'Z')
^  Exit: (184) [user] read_symbolic(')', (0x55772f068e50), 'Z', 'Z')
^  Exit: (183) [user] cont_sexpr(')', (0x55772f068e50), 'Z')
^  Call: (183) [user] read_list(')', (0x55772f068e50), _1870730)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1872588)
   Exit: (185) [system] peek_char((0x55772f068e50), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x55772f068e50), _1882182)
   Exit: (185) [system] get_char((0x55772f068e50), ' ')
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1884886)
   Exit: (186) [system] peek_char((0x55772f068e50), 'N')
   Call: (186) [system] 'N'=(;)
   Fail: (186) [system] 'N'=(;)
   Call: (186) [system] 'N'=(/)
   Fail: (186) [system] 'N'=(/)
^  Call: (186) [user] is_like_space('N')
   Call: (187) [system] char_type('N', 'white')
   Fail: (187) [system] char_type('N', 'white')
   Call: (187) [system] char_type('N', end_of_line)
   Fail: (187) [system] char_type('N', end_of_line)
   Call: (187) [system] char_type('N', space)
   Fail: (187) [system] char_type('N', space)
   Call: (187) [system] char_type('N', cntrl)
   Fail: (187) [system] char_type('N', cntrl)
^  Fail: (186) [user] is_like_space('N')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _1901820)
   Exit: (184) [system] peek_char((0x55772f068e50), 'N')
   Call: (184) [system] 'N'=')'
   Fail: (184) [system] 'N'=')'
   Call: (184) [system] 'N'=end_of_file
   Fail: (184) [system] 'N'=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x55772f068e50), _1907390)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1909248)
   Exit: (186) [system] peek_char((0x55772f068e50), 'N')
   Call: (186) [system] 'N'=(;)
   Fail: (186) [system] 'N'=(;)
   Call: (186) [system] 'N'=(/)
   Fail: (186) [system] 'N'=(/)
^  Call: (186) [user] is_like_space('N')
   Call: (187) [system] char_type('N', 'white')
   Fail: (187) [system] char_type('N', 'white')
   Call: (187) [system] char_type('N', end_of_line)
   Fail: (187) [system] char_type('N', end_of_line)
   Call: (187) [system] char_type('N', space)
   Fail: (187) [system] char_type('N', space)
   Call: (187) [system] char_type('N', cntrl)
   Fail: (187) [system] char_type('N', cntrl)
^  Fail: (186) [user] is_like_space('N')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] get_char((0x55772f068e50), _1925258)
   Exit: (185) [system] get_char((0x55772f068e50), 'N')
   Call: (185) [system] 'N'='('
   Fail: (185) [system] 'N'='('
   Call: (185) [system] 'N'='['
   Fail: (185) [system] 'N'='['
   Call: (185) [system] 'N'='{'
   Fail: (185) [system] 'N'='{'
   Call: (185) [system] 'N'='"'
   Fail: (185) [system] 'N'='"'
   Call: (185) [system] 'N'=!
   Fail: (185) [system] 'N'=!
   Call: (185) [system] 'N'='\''
   Fail: (185) [system] 'N'='\''
   Call: (185) [system] 'N'='`'
   Fail: (185) [system] 'N'='`'
   Call: (185) [system] 'N'=end_of_file
   Fail: (185) [system] 'N'=end_of_file
^  Call: (185) [user] read_symbolic(')', (0x55772f068e50), 'N', _1907390)
^  Call: (186) [user] read_symbolic_cont(')', (0x55772f068e50), _1942900)
   Call: (187) [system] peek_char((0x55772f068e50), _1943834)
   Exit: (187) [system] peek_char((0x55772f068e50), a)
^  Call: (187) [user] is_delimiter(a)
   Call: (188) [system] char_type(a, space)
   Fail: (188) [system] char_type(a, space)
   Call: (188) [system] arg(_1948554, v('(', ')', end_of_file), a)
   Fail: (188) [system] arg(_1949486, v('(', ')', end_of_file), a)
^  Fail: (187) [user] is_delimiter(a)
   Call: (187) [system] ')'==a
   Fail: (187) [system] ')'==a
   Call: (187) [system] get_char((0x55772f068e50), a)
   Exit: (187) [system] get_char((0x55772f068e50), a)
   Call: (187) [system] a=(\)
   Fail: (187) [system] a=(\)
^  Call: (187) [user] read_symbolic_cont(')', (0x55772f068e50), _1956836)
   Call: (188) [system] peek_char((0x55772f068e50), _1957770)
   Exit: (188) [system] peek_char((0x55772f068e50), t)
^  Call: (188) [user] is_delimiter(t)
   Call: (189) [system] char_type(t, space)
   Fail: (189) [system] char_type(t, space)
   Call: (189) [system] arg(_1962490, v('(', ')', end_of_file), t)
   Fail: (189) [system] arg(_1963422, v('(', ')', end_of_file), t)
^  Fail: (188) [user] is_delimiter(t)
   Call: (188) [system] ')'==t
   Fail: (188) [system] ')'==t
   Call: (188) [system] get_char((0x55772f068e50), t)
   Exit: (188) [system] get_char((0x55772f068e50), t)
   Call: (188) [system] t=(\)
   Fail: (188) [system] t=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _1970772)
   Call: (189) [system] peek_char((0x55772f068e50), _1971706)
   Exit: (189) [system] peek_char((0x55772f068e50), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_1976426, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _1970772=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (188) [system] _1956836=[t]
   Exit: (188) [system] [t]=[t]
^  Exit: (187) [user] read_symbolic_cont(')', (0x55772f068e50), [t])
   Call: (187) [system] _1942900=[a, t]
   Exit: (187) [system] [a, t]=[a, t]
^  Exit: (186) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t])
^  Call: (186) [user] classify_and_convert_charseq(['N', a, t], _1907390)
^  Call: (187) [user] classify_and_convert_charseq_(['N', a, t], _1988450)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_1989402, _1989404), once(user:catch(read_from_chars(['N', a, t], _1988450), _1989384, fail)), '$restore_trace'(_1989402, _1989404))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_1989402, _1989404))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['N', a, t], _1988450), _1989384, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(_1988450)
   Fail: (188) [system] atomic(_1988450)
   Call: (188) [system] atom_chars(_1988450, ['N', a, t])
   Exit: (188) [system] atom_chars('Nat', ['N', a, t])
^  Exit: (187) [user] classify_and_convert_charseq_(['N', a, t], 'Nat')
   Call: (187) [system] integer('Nat')
   Fail: (187) [system] integer('Nat')
   Call: (187) [system] _1907390='Nat'
   Exit: (187) [system] 'Nat'='Nat'
^  Exit: (186) [user] classify_and_convert_charseq(['N', a, t], 'Nat')
^  Exit: (185) [user] read_symbolic(')', (0x55772f068e50), 'N', 'Nat')
^  Exit: (184) [user] cont_sexpr(')', (0x55772f068e50), 'Nat')
^  Call: (184) [user] read_list(')', (0x55772f068e50), _2003400)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _2005258)
   Exit: (186) [system] peek_char((0x55772f068e50), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _2021268)
   Exit: (185) [system] peek_char((0x55772f068e50), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x55772f068e50), _2025058)
   Exit: (185) [system] get_char((0x55772f068e50), ')')
   Call: (185) [system] _2003400=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [])
   Call: (184) [system] _1870730=['Nat']
   Exit: (184) [system] ['Nat']=['Nat']
^  Exit: (183) [user] read_list(')', (0x55772f068e50), ['Nat'])
   Call: (183) [system] _1773392=['Z', 'Nat']
   Exit: (183) [system] ['Z', 'Nat']=['Z', 'Nat']
^  Exit: (182) [user] read_list(')', (0x55772f068e50), ['Z', 'Nat'])
   Call: (182) [system] _1636090=[:, 'Z', 'Nat']
   Exit: (182) [system] [:, 'Z', 'Nat']=[:, 'Z', 'Nat']
^  Exit: (181) [user] read_list(')', (0x55772f068e50), [:, 'Z', 'Nat'])
^  Exit: (180) [user] cont_sexpr(')', (0x55772f068e50), [:, 'Z', 'Nat'])
^  Exit: (179) [user] read_sexpr((0x55772f068e50), [:, 'Z', 'Nat'])
^  Call: (179) [user] assertz(metta_file_comment(16, 0, 427, [:, 'Z', 'Nat'], '$stream_position'(427, 16, 0, 427)))
^  Exit: (179) [user] assertz(metta_file_comment(16, 0, 427, [:, 'Z', 'Nat'], '$stream_position'(427, 16, 0, 427)))
^  Exit: (177) [system] once(user:(read_position((0x55772f068e50), 16, 0, 427, '$stream_position'(427, 16, 0, 427)), read_sexpr((0x55772f068e50), [:, 'Z', 'Nat']), assertz(metta_file_comment(16, 0, 427, [:, 'Z', 'Nat'], '$stream_position'(427, 16, 0, 427)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_2043576, _2043578, _2043580, _2043582, _2043584))
^  Exit: (177) [user] retract(metta_file_comment(35, 0, 1114, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), '$stream_position'(1114, 35, 0, 1114)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), _400336)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), _2046416))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), _2046416)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), _2046416)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), _2049232))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), _2049232))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), _2049232)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), _2052032))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), _2052032)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), _2052032)
   Call: (187) [system] var('$COMMENT'(";; $kb: a nullary function to axiom", 35, 0))
   Call: (187) [system] atom('$COMMENT'(";; $kb: a nullary function to axiom", 35, 0))
   Call: (187) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0)==true
   Call: (187) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0)==false
   Call: (187) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0)==[_2058552, _2058558]
   Call: (187) [system] is_list('$COMMENT'(";; $kb: a nullary function to axiom", 35, 0))
   Call: (187) [system] string('$COMMENT'(";; $kb: a nullary function to axiom", 35, 0))
   Call: (187) [system] compound('$COMMENT'(";; $kb: a nullary function to axiom", 35, 0))
   Exit: (187) [system] compound('$COMMENT'(";; $kb: a nullary function to axiom", 35, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), _2063186, _2063188)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), '$COMMENT', [";; $kb: a nullary function to axiom", 35, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";; $kb: a nullary function to axiom", 35, 0], _2066928)
   Call: (188) [apply] apply:maplist_([";; $kb: a nullary function to axiom", 35, 0], _2066928, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";; $kb: a nullary function to axiom", _2068808)
   Call: (190) [system] var(";; $kb: a nullary function to axiom")
   Call: (190) [system] atom(";; $kb: a nullary function to axiom")
   Call: (190) [system] ";; $kb: a nullary function to axiom"==true
   Call: (190) [system] ";; $kb: a nullary function to axiom"==false
   Call: (190) [system] ";; $kb: a nullary function to axiom"==[_2073450, _2073456]
   Call: (190) [system] is_list(";; $kb: a nullary function to axiom")
   Call: (190) [system] string(";; $kb: a nullary function to axiom")
   Exit: (190) [system] string(";; $kb: a nullary function to axiom")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";; $kb: a nullary function to axiom")
^  Call: (190) [user] symbol(";; $kb: a nullary function to axiom")
   Call: (191) [system] atom(";; $kb: a nullary function to axiom")
   Fail: (191) [system] atom(";; $kb: a nullary function to axiom")
^  Fail: (190) [user] symbol(";; $kb: a nullary function to axiom")
   Call: (190) [system] ";; $kb: a nullary function to axiom"=_2068808
   Exit: (190) [system] ";; $kb: a nullary function to axiom"=";; $kb: a nullary function to axiom"
^  Exit: (189) [user] mfix_vars1(";; $kb: a nullary function to axiom", ";; $kb: a nullary function to axiom")
   Call: (189) [apply] apply:maplist_([35, 0], _2068810, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(35, _2087330)
   Call: (191) [system] var(35)
   Call: (191) [system] atom(35)
   Call: (191) [system] 35==true
   Call: (191) [system] 35==false
   Call: (191) [system] 35==[_2091972, _2091978]
   Call: (191) [system] is_list(35)
   Call: (191) [system] string(35)
   Call: (191) [system] compound(35)
^  Call: (191) [user] symbol(35)
   Call: (192) [system] atom(35)
   Fail: (192) [system] atom(35)
^  Fail: (191) [user] symbol(35)
   Call: (191) [system] 35=_3412
   Exit: (191) [system] 35=35
^  Exit: (190) [user] mfix_vars1(35, 35)
   Call: (190) [apply] apply:maplist_([0], _3414, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _9726)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_14368, _14374]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_9726
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _9728, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([35, 0], [35, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";; $kb: a nullary function to axiom", 35, 0], [";; $kb: a nullary function to axiom", 35, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";; $kb: a nullary function to axiom", 35, 0], [";; $kb: a nullary function to axiom", 35, 0])
   Call: (187) [system] compound_name_arguments(_3360, '$COMMENT', [";; $kb: a nullary function to axiom", 35, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), '$COMMENT', [";; $kb: a nullary function to axiom", 35, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0)))
   Call: (184) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0)\=@='$COMMENT'(";; $kb: a nullary function to axiom", 35, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), _38544))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), _38544))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), _38544)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), _41344))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), _41344)
^  Call: (186) [user] cons_to_c('$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), _41344)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0)))
   Call: (184) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0)\=@='$COMMENT'(";; $kb: a nullary function to axiom", 35, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), _3326))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), _3326))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), _3326)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), _55302))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), _55302)
^  Call: (186) [user] cons_to_l('$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), _55302)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0)))
   Call: (184) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0)\=@='$COMMENT'(";; $kb: a nullary function to axiom", 35, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0)))
   Call: (178) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0)\=@='$COMMENT'(";; $kb: a nullary function to axiom", 35, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0))
^  Exit: (171) [user] read_sform((0x55772f068e50), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0))
^  Exit: (170) [system] once(user:read_sform((0x55772f068e50), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x55772f068e50), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0)))
   Call: (169) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727481849.951376), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481849.951376), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $kb: a nullary function to axiom", 35, 0)), 15]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), me_synthesize_1727481849_9551582, 15)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727481849.951376), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481849.951376), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $kb: a nullary function to axiom", 35, 0)), 15]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727481850.1956322)
   Call: (173) [system] arg(1, t(1727481849.951376), _3148)
   Exit: (173) [system] arg(1, t(1727481849.951376), 1727481849.951376)
   Call: (173) [system] _3158 is 1727481850.1956322-1727481849.951376
   Exit: (173) [system] 0.24425625801086426 is 1727481850.1956322-1727481849.951376
   Call: (173) [system] 0.24425625801086426>4
   Fail: (173) [system] 0.24425625801086426>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727481849.951376), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481849.951376), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $kb: a nullary function to axiom", 35, 0)), 15]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 1)
   Call: (175) [system] atom(1+1)
   Call: (175) [system] set_flag(translated_forms, 2)
   Exit: (175) [system] set_flag(translated_forms, 2)
   Exit: (174) [$syspreds] update_flag(translated_forms, 1, 1+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 1, 1+1))
   Exit: (171) [$syspreds] flag(translated_forms, 1, 1+1)
^  Call: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), me_synthesize_1727481849_9551582, 15)
^  Call: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";; $kb: a nullary function to axiom"])
^  Exit: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";; $kb: a nullary function to axiom"])
^  Exit: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), me_synthesize_1727481849_9551582, 15)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727481849.951376), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481849.951376), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $kb: a nullary function to axiom", 35, 0)), 15]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 1, 1+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), me_synthesize_1727481849_9551582, 15)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x55772f068e50))
   Fail: (169) [system] at_end_of_stream((0x55772f068e50))
^  Call: (169) [user] must_det_ll(line_count((0x55772f068e50), _3074))
^  Call: (170) [user] once(user:line_count((0x55772f068e50), _3074))
   Call: (171) [system] line_count((0x55772f068e50), _3074)
   Exit: (171) [system] line_count((0x55772f068e50), 16)
^  Exit: (170) [system] once(user:line_count((0x55772f068e50), 16))
^  Exit: (169) [user] must_det_ll(user:line_count((0x55772f068e50), 16))
^  Call: (169) [user] must_det_ll(read_sform((0x55772f068e50), _3084))
^  Call: (170) [user] once(user:read_sform((0x55772f068e50), _3084))
^  Call: (171) [user] read_sform((0x55772f068e50), _3084)
   Call: (172) [system] string((0x55772f068e50))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (173) [system] string((0x55772f068e50))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (174) [system] at_end_of_stream((0x55772f068e50))
   Call: (174) [system] peek_char((0x55772f068e50), _130086)
   Exit: (174) [system] peek_char((0x55772f068e50), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x55772f068e50), '\n')
   Exit: (174) [system] get_char((0x55772f068e50), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), _3084)
   Call: (175) [system] at_end_of_stream((0x55772f068e50))
   Call: (175) [system] peek_char((0x55772f068e50), _137508)
   Exit: (175) [system] peek_char((0x55772f068e50), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (176) [system] string((0x55772f068e50))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (177) [system] at_end_of_stream((0x55772f068e50))
   Call: (177) [system] peek_char((0x55772f068e50), _145846)
   Exit: (177) [system] peek_char((0x55772f068e50), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _148632=(0x55772f068e50)
   Exit: (177) [system] (0x55772f068e50)=(0x55772f068e50)
^  Call: (177) [user] once((read_position((0x55772f068e50), _150500, _150502, _150504, _150506), read_sexpr((0x55772f068e50), _150518), assertz(metta_file_comment(_150500, _150502, _150504, _150518, _150506))))
^  Call: (179) [user] read_position((0x55772f068e50), _150500, _150502, _150504, _150506)
   Call: (180) [system] stream_property((0x55772f068e50), position(_150506))
   Call: (181) [system] nonvar((0x55772f068e50))
   Exit: (181) [system] nonvar((0x55772f068e50))
   Call: (181) [system] nonvar(position(_150506))
   Exit: (181) [system] nonvar(position(_150506))
   Exit: (180) [system] stream_property((0x55772f068e50), position('$stream_position'(437, 17, 0, 437)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(437, 17, 0, 437), _150500)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _160758)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(437, 17, 0, 437), _150500)
   Exit: (181) [system] arg(2, '$stream_position'(437, 17, 0, 437), 17)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(437, 17, 0, 437), 17)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(437, 17, 0, 437), _150502)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _168192)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(437, 17, 0, 437), _150502)
   Exit: (181) [system] arg(3, '$stream_position'(437, 17, 0, 437), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(437, 17, 0, 437), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(437, 17, 0, 437), _150504)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _175626)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(437, 17, 0, 437), _150504)
   Exit: (181) [system] arg(1, '$stream_position'(437, 17, 0, 437), 437)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(437, 17, 0, 437), 437)
^  Exit: (179) [user] read_position((0x55772f068e50), 17, 0, 437, '$stream_position'(437, 17, 0, 437))
^  Call: (179) [user] read_sexpr((0x55772f068e50), _150518)
   Call: (180) [system] string((0x55772f068e50))
   Fail: (180) [system] string((0x55772f068e50))
^  Call: (180) [user] cont_sexpr(')', (0x55772f068e50), _150518)
^  Call: (181) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _185852)
   Exit: (182) [system] peek_char((0x55772f068e50), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x55772f068e50))
   Call: (181) [system] get_char((0x55772f068e50), _201862)
   Exit: (181) [system] get_char((0x55772f068e50), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x55772f068e50), _150518)
^  Call: (182) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _207432)
   Exit: (183) [system] peek_char((0x55772f068e50), :)
   Call: (183) [system] (:)=(;)
   Fail: (183) [system] (:)=(;)
   Call: (183) [system] (:)=(/)
   Fail: (183) [system] (:)=(/)
^  Call: (183) [user] is_like_space(:)
   Call: (184) [system] char_type(:, 'white')
   Fail: (184) [system] char_type(:, 'white')
   Call: (184) [system] char_type(:, end_of_line)
   Fail: (184) [system] char_type(:, end_of_line)
   Call: (184) [system] char_type(:, space)
   Fail: (184) [system] char_type(:, space)
   Call: (184) [system] char_type(:, cntrl)
   Fail: (184) [system] char_type(:, cntrl)
^  Fail: (183) [user] is_like_space(:)
^  Exit: (182) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _223442)
   Exit: (182) [system] peek_char((0x55772f068e50), :)
   Call: (182) [system] (:)=')'
   Fail: (182) [system] (:)=')'
   Call: (182) [system] (:)=end_of_file
   Fail: (182) [system] (:)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x55772f068e50), _229012)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _230870)
   Exit: (184) [system] peek_char((0x55772f068e50), :)
   Call: (184) [system] (:)=(;)
   Fail: (184) [system] (:)=(;)
   Call: (184) [system] (:)=(/)
   Fail: (184) [system] (:)=(/)
^  Call: (184) [user] is_like_space(:)
   Call: (185) [system] char_type(:, 'white')
   Fail: (185) [system] char_type(:, 'white')
   Call: (185) [system] char_type(:, end_of_line)
   Fail: (185) [system] char_type(:, end_of_line)
   Call: (185) [system] char_type(:, space)
   Fail: (185) [system] char_type(:, space)
   Call: (185) [system] char_type(:, cntrl)
   Fail: (185) [system] char_type(:, cntrl)
^  Fail: (184) [user] is_like_space(:)
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] get_char((0x55772f068e50), _246880)
   Exit: (183) [system] get_char((0x55772f068e50), :)
   Call: (183) [system] (:)='('
   Fail: (183) [system] (:)='('
   Call: (183) [system] (:)='['
   Fail: (183) [system] (:)='['
   Call: (183) [system] (:)='{'
   Fail: (183) [system] (:)='{'
   Call: (183) [system] (:)='"'
   Fail: (183) [system] (:)='"'
   Call: (183) [system] (:)=!
   Fail: (183) [system] (:)=!
   Call: (183) [system] (:)='\''
   Fail: (183) [system] (:)='\''
   Call: (183) [system] (:)='`'
   Fail: (183) [system] (:)='`'
   Call: (183) [system] (:)=end_of_file
   Fail: (183) [system] (:)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x55772f068e50), :, _229012)
^  Call: (184) [user] read_symbolic_cont(')', (0x55772f068e50), _264522)
   Call: (185) [system] peek_char((0x55772f068e50), _265456)
   Exit: (185) [system] peek_char((0x55772f068e50), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _264522=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (184) [user] classify_and_convert_charseq([:], _229012)
^  Call: (185) [user] classify_and_convert_charseq_([:], _274740)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_275692, _275694), once(user:catch(read_from_chars([:], _274740), _275674, fail)), '$restore_trace'(_275692, _275694))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_275692, _275694))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _275674, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(:)
   Exit: (186) [system] atomic(:)
^  Exit: (185) [user] classify_and_convert_charseq_([:], :)
   Call: (185) [system] integer(:)
   Fail: (185) [system] integer(:)
   Call: (185) [system] _229012=(:)
   Exit: (185) [system] (:)=(:)
^  Exit: (184) [user] classify_and_convert_charseq([:], :)
^  Exit: (183) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (182) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (182) [user] read_list(')', (0x55772f068e50), _287820)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _289678)
   Exit: (184) [system] peek_char((0x55772f068e50), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x55772f068e50), _299272)
   Exit: (184) [system] get_char((0x55772f068e50), ' ')
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _301976)
   Exit: (185) [system] peek_char((0x55772f068e50), 'S')
   Call: (185) [system] 'S'=(;)
   Fail: (185) [system] 'S'=(;)
   Call: (185) [system] 'S'=(/)
   Fail: (185) [system] 'S'=(/)
^  Call: (185) [user] is_like_space('S')
   Call: (186) [system] char_type('S', 'white')
   Fail: (186) [system] char_type('S', 'white')
   Call: (186) [system] char_type('S', end_of_line)
   Fail: (186) [system] char_type('S', end_of_line)
   Call: (186) [system] char_type('S', space)
   Fail: (186) [system] char_type('S', space)
   Call: (186) [system] char_type('S', cntrl)
   Fail: (186) [system] char_type('S', cntrl)
^  Fail: (185) [user] is_like_space('S')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _318910)
   Exit: (183) [system] peek_char((0x55772f068e50), 'S')
   Call: (183) [system] 'S'=')'
   Fail: (183) [system] 'S'=')'
   Call: (183) [system] 'S'=end_of_file
   Fail: (183) [system] 'S'=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x55772f068e50), _324480)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _326338)
   Exit: (185) [system] peek_char((0x55772f068e50), 'S')
   Call: (185) [system] 'S'=(;)
   Fail: (185) [system] 'S'=(;)
   Call: (185) [system] 'S'=(/)
   Fail: (185) [system] 'S'=(/)
^  Call: (185) [user] is_like_space('S')
   Call: (186) [system] char_type('S', 'white')
   Fail: (186) [system] char_type('S', 'white')
   Call: (186) [system] char_type('S', end_of_line)
   Fail: (186) [system] char_type('S', end_of_line)
   Call: (186) [system] char_type('S', space)
   Fail: (186) [system] char_type('S', space)
   Call: (186) [system] char_type('S', cntrl)
   Fail: (186) [system] char_type('S', cntrl)
^  Fail: (185) [user] is_like_space('S')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] get_char((0x55772f068e50), _342348)
   Exit: (184) [system] get_char((0x55772f068e50), 'S')
   Call: (184) [system] 'S'='('
   Fail: (184) [system] 'S'='('
   Call: (184) [system] 'S'='['
   Fail: (184) [system] 'S'='['
   Call: (184) [system] 'S'='{'
   Fail: (184) [system] 'S'='{'
   Call: (184) [system] 'S'='"'
   Fail: (184) [system] 'S'='"'
   Call: (184) [system] 'S'=!
   Fail: (184) [system] 'S'=!
   Call: (184) [system] 'S'='\''
   Fail: (184) [system] 'S'='\''
   Call: (184) [system] 'S'='`'
   Fail: (184) [system] 'S'='`'
   Call: (184) [system] 'S'=end_of_file
   Fail: (184) [system] 'S'=end_of_file
^  Call: (184) [user] read_symbolic(')', (0x55772f068e50), 'S', _324480)
^  Call: (185) [user] read_symbolic_cont(')', (0x55772f068e50), _359990)
   Call: (186) [system] peek_char((0x55772f068e50), _360924)
   Exit: (186) [system] peek_char((0x55772f068e50), ' ')
^  Call: (186) [user] is_delimiter(' ')
   Call: (187) [system] char_type(' ', space)
   Exit: (187) [system] char_type(' ', space)
^  Exit: (186) [user] is_delimiter(' ')
   Call: (186) [system] _359990=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (185) [user] classify_and_convert_charseq(['S'], _324480)
^  Call: (186) [user] classify_and_convert_charseq_(['S'], _370208)
^  Call: (188) [system] setup_call_cleanup('$notrace'(_371160, _371162), once(user:catch(read_from_chars(['S'], _370208), _371142, fail)), '$restore_trace'(_371160, _371162))
^  Call: (189) [system] sig_atomic(system:'$notrace'(_371160, _371162))
^  Exit: (188) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _370208), _371142, fail)), system:'$restore_trace'(3, -1))
   Call: (187) [system] atomic(_370208)
   Fail: (187) [system] atomic(_370208)
   Call: (187) [system] atom_chars(_370208, ['S'])
   Exit: (187) [system] atom_chars('S', ['S'])
^  Exit: (186) [user] classify_and_convert_charseq_(['S'], 'S')
   Call: (186) [system] integer('S')
   Fail: (186) [system] integer('S')
   Call: (186) [system] _324480='S'
   Exit: (186) [system] 'S'='S'
^  Exit: (185) [user] classify_and_convert_charseq(['S'], 'S')
^  Exit: (184) [user] read_symbolic(')', (0x55772f068e50), 'S', 'S')
^  Exit: (183) [user] cont_sexpr(')', (0x55772f068e50), 'S')
^  Call: (183) [user] read_list(')', (0x55772f068e50), _385158)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _387016)
   Exit: (185) [system] peek_char((0x55772f068e50), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x55772f068e50), _396610)
   Exit: (185) [system] get_char((0x55772f068e50), ' ')
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _399314)
   Exit: (186) [system] peek_char((0x55772f068e50), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _416248)
   Exit: (184) [system] peek_char((0x55772f068e50), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x55772f068e50), _421818)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _423676)
   Exit: (186) [system] peek_char((0x55772f068e50), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] get_char((0x55772f068e50), _439686)
   Exit: (185) [system] get_char((0x55772f068e50), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x55772f068e50), _421818)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _445256)
   Exit: (187) [system] peek_char((0x55772f068e50), -)
   Call: (187) [system] (-)=(;)
   Fail: (187) [system] (-)=(;)
   Call: (187) [system] (-)=(/)
   Fail: (187) [system] (-)=(/)
^  Call: (187) [user] is_like_space(-)
   Call: (188) [system] char_type(-, 'white')
   Fail: (188) [system] char_type(-, 'white')
   Call: (188) [system] char_type(-, end_of_line)
   Fail: (188) [system] char_type(-, end_of_line)
   Call: (188) [system] char_type(-, space)
   Fail: (188) [system] char_type(-, space)
   Call: (188) [system] char_type(-, cntrl)
   Fail: (188) [system] char_type(-, cntrl)
^  Fail: (187) [user] is_like_space(-)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _461266)
   Exit: (186) [system] peek_char((0x55772f068e50), -)
   Call: (186) [system] (-)=')'
   Fail: (186) [system] (-)=')'
   Call: (186) [system] (-)=end_of_file
   Fail: (186) [system] (-)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x55772f068e50), _466836)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _468694)
   Exit: (188) [system] peek_char((0x55772f068e50), -)
   Call: (188) [system] (-)=(;)
   Fail: (188) [system] (-)=(;)
   Call: (188) [system] (-)=(/)
   Fail: (188) [system] (-)=(/)
^  Call: (188) [user] is_like_space(-)
   Call: (189) [system] char_type(-, 'white')
   Fail: (189) [system] char_type(-, 'white')
   Call: (189) [system] char_type(-, end_of_line)
   Fail: (189) [system] char_type(-, end_of_line)
   Call: (189) [system] char_type(-, space)
   Fail: (189) [system] char_type(-, space)
   Call: (189) [system] char_type(-, cntrl)
   Fail: (189) [system] char_type(-, cntrl)
^  Fail: (188) [user] is_like_space(-)
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] get_char((0x55772f068e50), _484704)
   Exit: (187) [system] get_char((0x55772f068e50), -)
   Call: (187) [system] (-)='('
   Fail: (187) [system] (-)='('
   Call: (187) [system] (-)='['
   Fail: (187) [system] (-)='['
   Call: (187) [system] (-)='{'
   Fail: (187) [system] (-)='{'
   Call: (187) [system] (-)='"'
   Fail: (187) [system] (-)='"'
   Call: (187) [system] (-)=!
   Fail: (187) [system] (-)=!
   Call: (187) [system] (-)='\''
   Fail: (187) [system] (-)='\''
   Call: (187) [system] (-)='`'
   Fail: (187) [system] (-)='`'
   Call: (187) [system] (-)=end_of_file
   Fail: (187) [system] (-)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x55772f068e50), -, _466836)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _502346)
   Call: (189) [system] peek_char((0x55772f068e50), _503280)
   Exit: (189) [system] peek_char((0x55772f068e50), >)
^  Call: (189) [user] is_delimiter(>)
   Call: (190) [system] char_type(>, space)
   Fail: (190) [system] char_type(>, space)
   Call: (190) [system] arg(_508000, v('(', ')', end_of_file), >)
   Fail: (190) [system] arg(_508932, v('(', ')', end_of_file), >)
^  Fail: (189) [user] is_delimiter(>)
   Call: (189) [system] ')'==(>)
   Fail: (189) [system] ')'==(>)
   Call: (189) [system] get_char((0x55772f068e50), >)
   Exit: (189) [system] get_char((0x55772f068e50), >)
   Call: (189) [system] (>)=(\)
   Fail: (189) [system] (>)=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _516282)
   Call: (190) [system] peek_char((0x55772f068e50), _517216)
   Exit: (190) [system] peek_char((0x55772f068e50), ' ')
^  Call: (190) [user] is_delimiter(' ')
   Call: (191) [system] char_type(' ', space)
   Exit: (191) [system] char_type(' ', space)
^  Exit: (190) [user] is_delimiter(' ')
   Call: (190) [system] _516282=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (189) [system] _502346=[>]
   Exit: (189) [system] [>]=[>]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [>])
^  Call: (188) [user] classify_and_convert_charseq([-, >], _466836)
^  Call: (189) [user] classify_and_convert_charseq_([-, >], _529294)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_530246, _530248), once(user:catch(read_from_chars([-, >], _529294), _530228, fail)), '$restore_trace'(_530246, _530248))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_530246, _530248))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _530228, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(->)
   Exit: (190) [system] atomic(->)
^  Exit: (189) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (189) [system] integer(->)
   Fail: (189) [system] integer(->)
   Call: (189) [system] _466836=(->)
   Exit: (189) [system] (->)=(->)
^  Exit: (188) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (187) [user] read_symbolic(')', (0x55772f068e50), -, ->)
^  Exit: (186) [user] cont_sexpr(')', (0x55772f068e50), ->)
^  Call: (186) [user] read_list(')', (0x55772f068e50), _542374)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _544232)
   Exit: (188) [system] peek_char((0x55772f068e50), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x55772f068e50), _553826)
   Exit: (188) [system] get_char((0x55772f068e50), ' ')
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _556530)
   Exit: (189) [system] peek_char((0x55772f068e50), 'N')
   Call: (189) [system] 'N'=(;)
   Fail: (189) [system] 'N'=(;)
   Call: (189) [system] 'N'=(/)
   Fail: (189) [system] 'N'=(/)
^  Call: (189) [user] is_like_space('N')
   Call: (190) [system] char_type('N', 'white')
   Fail: (190) [system] char_type('N', 'white')
   Call: (190) [system] char_type('N', end_of_line)
   Fail: (190) [system] char_type('N', end_of_line)
   Call: (190) [system] char_type('N', space)
   Fail: (190) [system] char_type('N', space)
   Call: (190) [system] char_type('N', cntrl)
   Fail: (190) [system] char_type('N', cntrl)
^  Fail: (189) [user] is_like_space('N')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _573464)
   Exit: (187) [system] peek_char((0x55772f068e50), 'N')
   Call: (187) [system] 'N'=')'
   Fail: (187) [system] 'N'=')'
   Call: (187) [system] 'N'=end_of_file
   Fail: (187) [system] 'N'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x55772f068e50), _579034)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _580892)
   Exit: (189) [system] peek_char((0x55772f068e50), 'N')
   Call: (189) [system] 'N'=(;)
   Fail: (189) [system] 'N'=(;)
   Call: (189) [system] 'N'=(/)
   Fail: (189) [system] 'N'=(/)
^  Call: (189) [user] is_like_space('N')
   Call: (190) [system] char_type('N', 'white')
   Fail: (190) [system] char_type('N', 'white')
   Call: (190) [system] char_type('N', end_of_line)
   Fail: (190) [system] char_type('N', end_of_line)
   Call: (190) [system] char_type('N', space)
   Fail: (190) [system] char_type('N', space)
   Call: (190) [system] char_type('N', cntrl)
   Fail: (190) [system] char_type('N', cntrl)
^  Fail: (189) [user] is_like_space('N')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] get_char((0x55772f068e50), _596902)
   Exit: (188) [system] get_char((0x55772f068e50), 'N')
   Call: (188) [system] 'N'='('
   Fail: (188) [system] 'N'='('
   Call: (188) [system] 'N'='['
   Fail: (188) [system] 'N'='['
   Call: (188) [system] 'N'='{'
   Fail: (188) [system] 'N'='{'
   Call: (188) [system] 'N'='"'
   Fail: (188) [system] 'N'='"'
   Call: (188) [system] 'N'=!
   Fail: (188) [system] 'N'=!
   Call: (188) [system] 'N'='\''
   Fail: (188) [system] 'N'='\''
   Call: (188) [system] 'N'='`'
   Fail: (188) [system] 'N'='`'
   Call: (188) [system] 'N'=end_of_file
   Fail: (188) [system] 'N'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x55772f068e50), 'N', _579034)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _614544)
   Call: (190) [system] peek_char((0x55772f068e50), _615478)
   Exit: (190) [system] peek_char((0x55772f068e50), a)
^  Call: (190) [user] is_delimiter(a)
   Call: (191) [system] char_type(a, space)
   Fail: (191) [system] char_type(a, space)
   Call: (191) [system] arg(_620198, v('(', ')', end_of_file), a)
   Fail: (191) [system] arg(_621130, v('(', ')', end_of_file), a)
^  Fail: (190) [user] is_delimiter(a)
   Call: (190) [system] ')'==a
   Fail: (190) [system] ')'==a
   Call: (190) [system] get_char((0x55772f068e50), a)
   Exit: (190) [system] get_char((0x55772f068e50), a)
   Call: (190) [system] a=(\)
   Fail: (190) [system] a=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _628480)
   Call: (191) [system] peek_char((0x55772f068e50), _629414)
   Exit: (191) [system] peek_char((0x55772f068e50), t)
^  Call: (191) [user] is_delimiter(t)
   Call: (192) [system] char_type(t, space)
   Fail: (192) [system] char_type(t, space)
   Call: (192) [system] arg(_634134, v('(', ')', end_of_file), t)
   Fail: (192) [system] arg(_635066, v('(', ')', end_of_file), t)
^  Fail: (191) [user] is_delimiter(t)
   Call: (191) [system] ')'==t
   Fail: (191) [system] ')'==t
   Call: (191) [system] get_char((0x55772f068e50), t)
   Exit: (191) [system] get_char((0x55772f068e50), t)
   Call: (191) [system] t=(\)
   Fail: (191) [system] t=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _642416)
   Call: (192) [system] peek_char((0x55772f068e50), _643350)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _642416=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (191) [system] _628480=[t]
   Exit: (191) [system] [t]=[t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [t])
   Call: (190) [system] _614544=[a, t]
   Exit: (190) [system] [a, t]=[a, t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t])
^  Call: (189) [user] classify_and_convert_charseq(['N', a, t], _579034)
^  Call: (190) [user] classify_and_convert_charseq_(['N', a, t], _658222)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_659174, _659176), once(user:catch(read_from_chars(['N', a, t], _658222), _659156, fail)), '$restore_trace'(_659174, _659176))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_659174, _659176))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['N', a, t], _658222), _659156, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(_658222)
   Fail: (191) [system] atomic(_658222)
   Call: (191) [system] atom_chars(_658222, ['N', a, t])
   Exit: (191) [system] atom_chars('Nat', ['N', a, t])
^  Exit: (190) [user] classify_and_convert_charseq_(['N', a, t], 'Nat')
   Call: (190) [system] integer('Nat')
   Fail: (190) [system] integer('Nat')
   Call: (190) [system] _579034='Nat'
   Exit: (190) [system] 'Nat'='Nat'
^  Exit: (189) [user] classify_and_convert_charseq(['N', a, t], 'Nat')
^  Exit: (188) [user] read_symbolic(')', (0x55772f068e50), 'N', 'Nat')
^  Exit: (187) [user] cont_sexpr(')', (0x55772f068e50), 'Nat')
^  Call: (187) [user] read_list(')', (0x55772f068e50), _673172)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _675030)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x55772f068e50), _684624)
   Exit: (189) [system] get_char((0x55772f068e50), ' ')
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _687328)
   Exit: (190) [system] peek_char((0x55772f068e50), 'N')
   Call: (190) [system] 'N'=(;)
   Fail: (190) [system] 'N'=(;)
   Call: (190) [system] 'N'=(/)
   Fail: (190) [system] 'N'=(/)
^  Call: (190) [user] is_like_space('N')
   Call: (191) [system] char_type('N', 'white')
   Fail: (191) [system] char_type('N', 'white')
   Call: (191) [system] char_type('N', end_of_line)
   Fail: (191) [system] char_type('N', end_of_line)
   Call: (191) [system] char_type('N', space)
   Fail: (191) [system] char_type('N', space)
   Call: (191) [system] char_type('N', cntrl)
   Fail: (191) [system] char_type('N', cntrl)
^  Fail: (190) [user] is_like_space('N')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _704262)
   Exit: (188) [system] peek_char((0x55772f068e50), 'N')
   Call: (188) [system] 'N'=')'
   Fail: (188) [system] 'N'=')'
   Call: (188) [system] 'N'=end_of_file
   Fail: (188) [system] 'N'=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x55772f068e50), _709832)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _711690)
   Exit: (190) [system] peek_char((0x55772f068e50), 'N')
   Call: (190) [system] 'N'=(;)
   Fail: (190) [system] 'N'=(;)
   Call: (190) [system] 'N'=(/)
   Fail: (190) [system] 'N'=(/)
^  Call: (190) [user] is_like_space('N')
   Call: (191) [system] char_type('N', 'white')
   Fail: (191) [system] char_type('N', 'white')
   Call: (191) [system] char_type('N', end_of_line)
   Fail: (191) [system] char_type('N', end_of_line)
   Call: (191) [system] char_type('N', space)
   Fail: (191) [system] char_type('N', space)
   Call: (191) [system] char_type('N', cntrl)
   Fail: (191) [system] char_type('N', cntrl)
^  Fail: (190) [user] is_like_space('N')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] get_char((0x55772f068e50), _727700)
   Exit: (189) [system] get_char((0x55772f068e50), 'N')
   Call: (189) [system] 'N'='('
   Fail: (189) [system] 'N'='('
   Call: (189) [system] 'N'='['
   Fail: (189) [system] 'N'='['
   Call: (189) [system] 'N'='{'
   Fail: (189) [system] 'N'='{'
   Call: (189) [system] 'N'='"'
   Fail: (189) [system] 'N'='"'
   Call: (189) [system] 'N'=!
   Fail: (189) [system] 'N'=!
   Call: (189) [system] 'N'='\''
   Fail: (189) [system] 'N'='\''
   Call: (189) [system] 'N'='`'
   Fail: (189) [system] 'N'='`'
   Call: (189) [system] 'N'=end_of_file
   Fail: (189) [system] 'N'=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x55772f068e50), 'N', _709832)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _745342)
   Call: (191) [system] peek_char((0x55772f068e50), _746276)
   Exit: (191) [system] peek_char((0x55772f068e50), a)
^  Call: (191) [user] is_delimiter(a)
   Call: (192) [system] char_type(a, space)
   Fail: (192) [system] char_type(a, space)
   Call: (192) [system] arg(_750996, v('(', ')', end_of_file), a)
   Fail: (192) [system] arg(_751928, v('(', ')', end_of_file), a)
^  Fail: (191) [user] is_delimiter(a)
   Call: (191) [system] ')'==a
   Fail: (191) [system] ')'==a
   Call: (191) [system] get_char((0x55772f068e50), a)
   Exit: (191) [system] get_char((0x55772f068e50), a)
   Call: (191) [system] a=(\)
   Fail: (191) [system] a=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _759278)
   Call: (192) [system] peek_char((0x55772f068e50), _760212)
   Exit: (192) [system] peek_char((0x55772f068e50), t)
^  Call: (192) [user] is_delimiter(t)
   Call: (193) [system] char_type(t, space)
   Fail: (193) [system] char_type(t, space)
   Call: (193) [system] arg(_764932, v('(', ')', end_of_file), t)
   Fail: (193) [system] arg(_765864, v('(', ')', end_of_file), t)
^  Fail: (192) [user] is_delimiter(t)
   Call: (192) [system] ')'==t
   Fail: (192) [system] ')'==t
   Call: (192) [system] get_char((0x55772f068e50), t)
   Exit: (192) [system] get_char((0x55772f068e50), t)
   Call: (192) [system] t=(\)
   Fail: (192) [system] t=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _773214)
   Call: (193) [system] peek_char((0x55772f068e50), _774148)
   Exit: (193) [system] peek_char((0x55772f068e50), ')')
^  Call: (193) [user] is_delimiter(')')
   Call: (194) [system] char_type(')', space)
   Fail: (194) [system] char_type(')', space)
   Call: (194) [system] arg(_778868, v('(', ')', end_of_file), ')')
   Exit: (194) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (193) [user] is_delimiter(')')
   Call: (193) [system] _773214=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (192) [system] _759278=[t]
   Exit: (192) [system] [t]=[t]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [t])
   Call: (191) [system] _745342=[a, t]
   Exit: (191) [system] [a, t]=[a, t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t])
^  Call: (190) [user] classify_and_convert_charseq(['N', a, t], _709832)
^  Call: (191) [user] classify_and_convert_charseq_(['N', a, t], _790892)
^  Call: (193) [system] setup_call_cleanup('$notrace'(_791844, _791846), once(user:catch(read_from_chars(['N', a, t], _790892), _791826, fail)), '$restore_trace'(_791844, _791846))
^  Call: (194) [system] sig_atomic(system:'$notrace'(_791844, _791846))
^  Exit: (193) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['N', a, t], _790892), _791826, fail)), system:'$restore_trace'(3, -1))
   Call: (192) [system] atomic(_790892)
   Fail: (192) [system] atomic(_790892)
   Call: (192) [system] atom_chars(_790892, ['N', a, t])
   Exit: (192) [system] atom_chars('Nat', ['N', a, t])
^  Exit: (191) [user] classify_and_convert_charseq_(['N', a, t], 'Nat')
   Call: (191) [system] integer('Nat')
   Fail: (191) [system] integer('Nat')
   Call: (191) [system] _709832='Nat'
   Exit: (191) [system] 'Nat'='Nat'
^  Exit: (190) [user] classify_and_convert_charseq(['N', a, t], 'Nat')
^  Exit: (189) [user] read_symbolic(')', (0x55772f068e50), 'N', 'Nat')
^  Exit: (188) [user] cont_sexpr(')', (0x55772f068e50), 'Nat')
^  Call: (188) [user] read_list(')', (0x55772f068e50), _805842)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _807700)
   Exit: (190) [system] peek_char((0x55772f068e50), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _823710)
   Exit: (189) [system] peek_char((0x55772f068e50), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x55772f068e50), _827500)
   Exit: (189) [system] get_char((0x55772f068e50), ')')
   Call: (189) [system] _805842=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [])
   Call: (188) [system] _673172=['Nat']
   Exit: (188) [system] ['Nat']=['Nat']
^  Exit: (187) [user] read_list(')', (0x55772f068e50), ['Nat'])
   Call: (187) [system] _542374=['Nat', 'Nat']
   Exit: (187) [system] ['Nat', 'Nat']=['Nat', 'Nat']
^  Exit: (186) [user] read_list(')', (0x55772f068e50), ['Nat', 'Nat'])
   Call: (186) [system] _421818=[->, 'Nat', 'Nat']
   Exit: (186) [system] [->, 'Nat', 'Nat']=[->, 'Nat', 'Nat']
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [->, 'Nat', 'Nat'])
^  Exit: (184) [user] cont_sexpr(')', (0x55772f068e50), [->, 'Nat', 'Nat'])
^  Call: (184) [user] read_list(')', (0x55772f068e50), _841382)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _843240)
   Exit: (186) [system] peek_char((0x55772f068e50), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _859250)
   Exit: (185) [system] peek_char((0x55772f068e50), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x55772f068e50), _863040)
   Exit: (185) [system] get_char((0x55772f068e50), ')')
   Call: (185) [system] _841382=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [])
   Call: (184) [system] _385158=[[->, 'Nat', 'Nat']]
   Exit: (184) [system] [[->, 'Nat', 'Nat']]=[[->, 'Nat', 'Nat']]
^  Exit: (183) [user] read_list(')', (0x55772f068e50), [[->, 'Nat', 'Nat']])
   Call: (183) [system] _287820=['S', [->, 'Nat', 'Nat']]
   Exit: (183) [system] ['S', [->, 'Nat', 'Nat']]=['S', [->, 'Nat', 'Nat']]
^  Exit: (182) [user] read_list(')', (0x55772f068e50), ['S', [->, 'Nat', 'Nat']])
   Call: (182) [system] _150518=[:, 'S', [->, 'Nat', 'Nat']]
   Exit: (182) [system] [:, 'S', [->, 'Nat', 'Nat']]=[:, 'S', [->, 'Nat', 'Nat']]
^  Exit: (181) [user] read_list(')', (0x55772f068e50), [:, 'S', [->, 'Nat', 'Nat']])
^  Exit: (180) [user] cont_sexpr(')', (0x55772f068e50), [:, 'S', [->, 'Nat', 'Nat']])
^  Exit: (179) [user] read_sexpr((0x55772f068e50), [:, 'S', [->, 'Nat', 'Nat']])
^  Call: (179) [user] assertz(metta_file_comment(17, 0, 437, [:, 'S', [->, 'Nat', 'Nat']], '$stream_position'(437, 17, 0, 437)))
^  Exit: (179) [user] assertz(metta_file_comment(17, 0, 437, [:, 'S', [->, 'Nat', 'Nat']], '$stream_position'(437, 17, 0, 437)))
^  Exit: (177) [system] once(user:(read_position((0x55772f068e50), 17, 0, 437, '$stream_position'(437, 17, 0, 437)), read_sexpr((0x55772f068e50), [:, 'S', [->, 'Nat', 'Nat']]), assertz(metta_file_comment(17, 0, 437, [:, 'S', [->, 'Nat', 'Nat']], '$stream_position'(437, 17, 0, 437)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_881558, _881560, _881562, _881564, _881566))
^  Exit: (177) [user] retract(metta_file_comment(36, 0, 1150, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), '$stream_position'(1150, 36, 0, 1150)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), _884398))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), _884398)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), _884398)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), _887214))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), _887214))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), _887214)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), _890014))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), _890014)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), _890014)
   Call: (187) [system] var('$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0))
   Call: (187) [system] atom('$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0))
   Call: (187) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0)==true
   Call: (187) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0)==false
   Call: (187) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0)==[_896534, _896540]
   Call: (187) [system] is_list('$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0))
   Call: (187) [system] string('$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0))
   Call: (187) [system] compound('$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0))
   Exit: (187) [system] compound('$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), _901168, _901170)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), '$COMMENT', [";;\t\t to non-deterministically pick up", 36, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;\t\t to non-deterministically pick up", 36, 0], _904910)
   Call: (188) [apply] apply:maplist_([";;\t\t to non-deterministically pick up", 36, 0], _904910, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;\t\t to non-deterministically pick up", _906790)
   Call: (190) [system] var(";;\t\t to non-deterministically pick up")
   Call: (190) [system] atom(";;\t\t to non-deterministically pick up")
   Call: (190) [system] ";;\t\t to non-deterministically pick up"==true
   Call: (190) [system] ";;\t\t to non-deterministically pick up"==false
   Call: (190) [system] ";;\t\t to non-deterministically pick up"==[_911432, _911438]
   Call: (190) [system] is_list(";;\t\t to non-deterministically pick up")
   Call: (190) [system] string(";;\t\t to non-deterministically pick up")
   Exit: (190) [system] string(";;\t\t to non-deterministically pick up")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;\t\t to non-deterministically pick up")
^  Call: (190) [user] symbol(";;\t\t to non-deterministically pick up")
   Call: (191) [system] atom(";;\t\t to non-deterministically pick up")
   Fail: (191) [system] atom(";;\t\t to non-deterministically pick up")
^  Fail: (190) [user] symbol(";;\t\t to non-deterministically pick up")
   Call: (190) [system] ";;\t\t to non-deterministically pick up"=_906790
   Exit: (190) [system] ";;\t\t to non-deterministically pick up"=";;\t\t to non-deterministically pick up"
^  Exit: (189) [user] mfix_vars1(";;\t\t to non-deterministically pick up", ";;\t\t to non-deterministically pick up")
   Call: (189) [apply] apply:maplist_([36, 0], _906792, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(36, _925312)
   Call: (191) [system] var(36)
   Call: (191) [system] atom(36)
   Call: (191) [system] 36==true
   Call: (191) [system] 36==false
   Call: (191) [system] 36==[_929954, _929960]
   Call: (191) [system] is_list(36)
   Call: (191) [system] string(36)
   Call: (191) [system] compound(36)
^  Call: (191) [user] symbol(36)
   Call: (192) [system] atom(36)
   Fail: (192) [system] atom(36)
^  Fail: (191) [user] symbol(36)
   Call: (191) [system] 36=_925312
   Exit: (191) [system] 36=36
^  Exit: (190) [user] mfix_vars1(36, 36)
   Call: (190) [apply] apply:maplist_([0], _925314, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _941078)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_945720, _945726]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_941078
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _941080, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([36, 0], [36, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;\t\t to non-deterministically pick up", 36, 0], [";;\t\t to non-deterministically pick up", 36, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;\t\t to non-deterministically pick up", 36, 0], [";;\t\t to non-deterministically pick up", 36, 0])
   Call: (187) [system] compound_name_arguments(_890014, '$COMMENT', [";;\t\t to non-deterministically pick up", 36, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), '$COMMENT', [";;\t\t to non-deterministically pick up", 36, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), _969896))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), _969896))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), _969896)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), _972696))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), _972696)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), _972696)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), _884398))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), _884398))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), _884398)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), _986654))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), _986654)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), _986654)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0)))
   Call: (178) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0))
^  Exit: (171) [user] read_sform((0x55772f068e50), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0))
^  Exit: (170) [system] once(user:read_sform((0x55772f068e50), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x55772f068e50), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0)))
   Call: (169) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727481849.951376), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481849.951376), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0)), 16]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), me_synthesize_1727481849_9551582, 16)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727481849.951376), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481849.951376), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0)), 16]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727481850.3045573)
   Call: (173) [system] arg(1, t(1727481849.951376), _3148)
   Exit: (173) [system] arg(1, t(1727481849.951376), 1727481849.951376)
   Call: (173) [system] _3158 is 1727481850.3045573-1727481849.951376
   Exit: (173) [system] 0.3531813621520996 is 1727481850.3045573-1727481849.951376
   Call: (173) [system] 0.3531813621520996>4
   Fail: (173) [system] 0.3531813621520996>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727481849.951376), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481849.951376), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0)), 16]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 2)
   Call: (175) [system] atom(2+1)
   Call: (175) [system] set_flag(translated_forms, 3)
   Exit: (175) [system] set_flag(translated_forms, 3)
   Exit: (174) [$syspreds] update_flag(translated_forms, 2, 2+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 2, 2+1))
   Exit: (171) [$syspreds] flag(translated_forms, 2, 2+1)
^  Call: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), me_synthesize_1727481849_9551582, 16)
^  Call: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";;\t\t to non-deterministically pick up"])
^  Exit: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";;\t\t to non-deterministically pick up"])
^  Exit: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), me_synthesize_1727481849_9551582, 16)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727481849.951376), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481849.951376), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0)), 16]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 2, 2+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), me_synthesize_1727481849_9551582, 16)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x55772f068e50))
   Fail: (169) [system] at_end_of_stream((0x55772f068e50))
^  Call: (169) [user] must_det_ll(line_count((0x55772f068e50), _3074))
^  Call: (170) [user] once(user:line_count((0x55772f068e50), _3074))
   Call: (171) [system] line_count((0x55772f068e50), _3074)
   Exit: (171) [system] line_count((0x55772f068e50), 17)
^  Exit: (170) [system] once(user:line_count((0x55772f068e50), 17))
^  Exit: (169) [user] must_det_ll(user:line_count((0x55772f068e50), 17))
^  Call: (169) [user] must_det_ll(read_sform((0x55772f068e50), _3084))
^  Call: (170) [user] once(user:read_sform((0x55772f068e50), _3084))
^  Call: (171) [user] read_sform((0x55772f068e50), _3084)
   Call: (172) [system] string((0x55772f068e50))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (173) [system] string((0x55772f068e50))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (174) [system] at_end_of_stream((0x55772f068e50))
   Call: (174) [system] peek_char((0x55772f068e50), _1061438)
   Exit: (174) [system] peek_char((0x55772f068e50), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x55772f068e50), '\n')
   Exit: (174) [system] get_char((0x55772f068e50), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), _3084)
   Call: (175) [system] at_end_of_stream((0x55772f068e50))
   Call: (175) [system] peek_char((0x55772f068e50), _1068860)
   Exit: (175) [system] peek_char((0x55772f068e50), '\n')
   Call: (175) [system] char_type('\n', space)
   Exit: (175) [system] char_type('\n', space)
   Call: (175) [system] get_char((0x55772f068e50), '\n')
   Exit: (175) [system] get_char((0x55772f068e50), '\n')
^  Call: (175) [user] parse_sexpr_metta_IO((0x55772f068e50), _3084)
   Call: (176) [system] at_end_of_stream((0x55772f068e50))
   Call: (176) [system] peek_char((0x55772f068e50), _1076282)
   Exit: (176) [system] peek_char((0x55772f068e50), ;)
   Call: (176) [system] char_type(;, space)
^  Call: (176) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (177) [system] string((0x55772f068e50))
^  Exit: (176) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (176) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (177) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (178) [system] at_end_of_stream((0x55772f068e50))
   Call: (178) [system] peek_char((0x55772f068e50), _1084620)
   Exit: (178) [system] peek_char((0x55772f068e50), ;)
   Call: (178) [system] char_type(;, space)
   Call: (178) [system] _1087406=(0x55772f068e50)
   Exit: (178) [system] (0x55772f068e50)=(0x55772f068e50)
^  Call: (178) [user] once((read_position((0x55772f068e50), _1089274, _1089276, _1089278, _1089280), read_sexpr((0x55772f068e50), _1089292), assertz(metta_file_comment(_1089274, _1089276, _1089278, _1089292, _1089280))))
^  Call: (180) [user] read_position((0x55772f068e50), _1089274, _1089276, _1089278, _1089280)
   Call: (181) [system] stream_property((0x55772f068e50), position(_1089280))
   Call: (182) [system] nonvar((0x55772f068e50))
   Exit: (182) [system] nonvar((0x55772f068e50))
   Call: (182) [system] nonvar(position(_1089280))
   Exit: (182) [system] nonvar(position(_1089280))
   Exit: (181) [system] stream_property((0x55772f068e50), position('$stream_position'(457, 19, 0, 457)))
   Call: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(457, 19, 0, 457), _1089274)
   Call: (182) [system] nonvar(line_count)
   Exit: (182) [system] nonvar(line_count)
   Call: (182) [$syspreds] stream_position_field(line_count, _1099532)
   Exit: (182) [$syspreds] stream_position_field(line_count, 2)
   Call: (182) [system] arg(2, '$stream_position'(457, 19, 0, 457), _1089274)
   Exit: (182) [system] arg(2, '$stream_position'(457, 19, 0, 457), 19)
   Exit: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(457, 19, 0, 457), 19)
   Call: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(457, 19, 0, 457), _1089276)
   Call: (182) [system] nonvar(line_position)
   Exit: (182) [system] nonvar(line_position)
   Call: (182) [$syspreds] stream_position_field(line_position, _1106966)
   Exit: (182) [$syspreds] stream_position_field(line_position, 3)
   Call: (182) [system] arg(3, '$stream_position'(457, 19, 0, 457), _1089276)
   Exit: (182) [system] arg(3, '$stream_position'(457, 19, 0, 457), 0)
   Exit: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(457, 19, 0, 457), 0)
   Call: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(457, 19, 0, 457), _1089278)
   Call: (182) [system] nonvar(char_count)
   Exit: (182) [system] nonvar(char_count)
   Call: (182) [$syspreds] stream_position_field(char_count, _1114400)
   Exit: (182) [$syspreds] stream_position_field(char_count, 1)
   Call: (182) [system] arg(1, '$stream_position'(457, 19, 0, 457), _1089278)
   Exit: (182) [system] arg(1, '$stream_position'(457, 19, 0, 457), 457)
   Exit: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(457, 19, 0, 457), 457)
^  Exit: (180) [user] read_position((0x55772f068e50), 19, 0, 457, '$stream_position'(457, 19, 0, 457))
^  Call: (180) [user] read_sexpr((0x55772f068e50), _1089292)
   Call: (181) [system] string((0x55772f068e50))
   Fail: (181) [system] string((0x55772f068e50))
^  Call: (181) [user] cont_sexpr(')', (0x55772f068e50), _1089292)
^  Call: (182) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _1124626)
   Exit: (183) [system] peek_char((0x55772f068e50), ;)
   Call: (183) [system] (;)=(;)
   Exit: (183) [system] (;)=(;)
^  Call: (183) [user] read_single_line_comment((0x55772f068e50))
^  Call: (184) [user] read_position((0x55772f068e50), _1129264, _1129266, _1129268, _1129270)
   Call: (185) [system] stream_property((0x55772f068e50), position(_1129270))
   Call: (186) [system] nonvar((0x55772f068e50))
   Exit: (186) [system] nonvar((0x55772f068e50))
   Call: (186) [system] nonvar(position(_1129270))
   Exit: (186) [system] nonvar(position(_1129270))
   Exit: (185) [system] stream_property((0x55772f068e50), position('$stream_position'(457, 19, 0, 457)))
   Call: (185) [$syspreds] stream_position_data(line_count, '$stream_position'(457, 19, 0, 457), _1129264)
   Call: (186) [system] nonvar(line_count)
   Exit: (186) [system] nonvar(line_count)
   Call: (186) [$syspreds] stream_position_field(line_count, _1138558)
   Exit: (186) [$syspreds] stream_position_field(line_count, 2)
   Call: (186) [system] arg(2, '$stream_position'(457, 19, 0, 457), _1129264)
   Exit: (186) [system] arg(2, '$stream_position'(457, 19, 0, 457), 19)
   Exit: (185) [$syspreds] stream_position_data(line_count, '$stream_position'(457, 19, 0, 457), 19)
   Call: (185) [$syspreds] stream_position_data(line_position, '$stream_position'(457, 19, 0, 457), _1129266)
   Call: (186) [system] nonvar(line_position)
   Exit: (186) [system] nonvar(line_position)
   Call: (186) [$syspreds] stream_position_field(line_position, _1145992)
   Exit: (186) [$syspreds] stream_position_field(line_position, 3)
   Call: (186) [system] arg(3, '$stream_position'(457, 19, 0, 457), _1129266)
   Exit: (186) [system] arg(3, '$stream_position'(457, 19, 0, 457), 0)
   Exit: (185) [$syspreds] stream_position_data(line_position, '$stream_position'(457, 19, 0, 457), 0)
   Call: (185) [$syspreds] stream_position_data(char_count, '$stream_position'(457, 19, 0, 457), _1129268)
   Call: (186) [system] nonvar(char_count)
   Exit: (186) [system] nonvar(char_count)
   Call: (186) [$syspreds] stream_position_field(char_count, _1153426)
   Exit: (186) [$syspreds] stream_position_field(char_count, 1)
   Call: (186) [system] arg(1, '$stream_position'(457, 19, 0, 457), _1129268)
   Exit: (186) [system] arg(1, '$stream_position'(457, 19, 0, 457), 457)
   Exit: (185) [$syspreds] stream_position_data(char_count, '$stream_position'(457, 19, 0, 457), 457)
^  Exit: (184) [user] read_position((0x55772f068e50), 19, 0, 457, '$stream_position'(457, 19, 0, 457))
   Call: (184) [read_util] read_util:read_line_to_string((0x55772f068e50), _1159020)
   Call: (185) [system] read_string((0x55772f068e50), '\n', '\r', _1159950, _1159952)
   Exit: (185) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";; Enumerate all programs up to a given depth that are consistent with")
   Call: (185) [system] 10\== -1
   Exit: (185) [system] 10\== -1
   Call: (185) [system] _1159020=";; Enumerate all programs up to a given depth that are consistent with"
   Exit: (185) [system] ";; Enumerate all programs up to a given depth that are consistent with"=";; Enumerate all programs up to a given depth that are consistent with"
   Exit: (184) [read_util] read_util:read_line_to_string((0x55772f068e50), ";; Enumerate all programs up to a given depth that are consistent with")
^  Call: (184) [user] assertz(metta_file_comment(19, 0, 457, '$COMMENT'(";; Enumerate all programs up to a given depth that are consistent with", 19, 0), '$stream_position'(457, 19, 0, 457)))
^  Exit: (184) [user] assertz(metta_file_comment(19, 0, 457, '$COMMENT'(";; Enumerate all programs up to a given depth that are consistent with", 19, 0), '$stream_position'(457, 19, 0, 457)))
^  Exit: (183) [user] read_single_line_comment((0x55772f068e50))
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _1170224)
   Exit: (184) [system] peek_char((0x55772f068e50), ;)
   Call: (184) [system] (;)=(;)
   Exit: (184) [system] (;)=(;)
^  Call: (184) [user] read_single_line_comment((0x55772f068e50))
^  Call: (185) [user] read_position((0x55772f068e50), _1174862, _1174864, _1174866, _1174868)
   Call: (186) [system] stream_property((0x55772f068e50), position(_1174868))
   Call: (187) [system] nonvar((0x55772f068e50))
   Exit: (187) [system] nonvar((0x55772f068e50))
   Call: (187) [system] nonvar(position(_1174868))
   Exit: (187) [system] nonvar(position(_1174868))
   Exit: (186) [system] stream_property((0x55772f068e50), position('$stream_position'(528, 20, 0, 528)))
   Call: (186) [$syspreds] stream_position_data(line_count, '$stream_position'(528, 20, 0, 528), _1174862)
   Call: (187) [system] nonvar(line_count)
   Exit: (187) [system] nonvar(line_count)
   Call: (187) [$syspreds] stream_position_field(line_count, _1184156)
   Exit: (187) [$syspreds] stream_position_field(line_count, 2)
   Call: (187) [system] arg(2, '$stream_position'(528, 20, 0, 528), _1174862)
   Exit: (187) [system] arg(2, '$stream_position'(528, 20, 0, 528), 20)
   Exit: (186) [$syspreds] stream_position_data(line_count, '$stream_position'(528, 20, 0, 528), 20)
   Call: (186) [$syspreds] stream_position_data(line_position, '$stream_position'(528, 20, 0, 528), _1174864)
   Call: (187) [system] nonvar(line_position)
   Exit: (187) [system] nonvar(line_position)
   Call: (187) [$syspreds] stream_position_field(line_position, _1191590)
   Exit: (187) [$syspreds] stream_position_field(line_position, 3)
   Call: (187) [system] arg(3, '$stream_position'(528, 20, 0, 528), _1174864)
   Exit: (187) [system] arg(3, '$stream_position'(528, 20, 0, 528), 0)
   Exit: (186) [$syspreds] stream_position_data(line_position, '$stream_position'(528, 20, 0, 528), 0)
   Call: (186) [$syspreds] stream_position_data(char_count, '$stream_position'(528, 20, 0, 528), _1174866)
   Call: (187) [system] nonvar(char_count)
   Exit: (187) [system] nonvar(char_count)
   Call: (187) [$syspreds] stream_position_field(char_count, _1199024)
   Exit: (187) [$syspreds] stream_position_field(char_count, 1)
   Call: (187) [system] arg(1, '$stream_position'(528, 20, 0, 528), _1174866)
   Exit: (187) [system] arg(1, '$stream_position'(528, 20, 0, 528), 528)
   Exit: (186) [$syspreds] stream_position_data(char_count, '$stream_position'(528, 20, 0, 528), 528)
^  Exit: (185) [user] read_position((0x55772f068e50), 20, 0, 528, '$stream_position'(528, 20, 0, 528))
   Call: (185) [read_util] read_util:read_line_to_string((0x55772f068e50), _1204618)
   Call: (186) [system] read_string((0x55772f068e50), '\n', '\r', _1205548, _1205550)
   Exit: (186) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";; the query")
   Call: (186) [system] 10\== -1
   Exit: (186) [system] 10\== -1
   Call: (186) [system] _1204618=";; the query"
   Exit: (186) [system] ";; the query"=";; the query"
   Exit: (185) [read_util] read_util:read_line_to_string((0x55772f068e50), ";; the query")
^  Call: (185) [user] assertz(metta_file_comment(20, 0, 528, '$COMMENT'(";; the query", 20, 0), '$stream_position'(528, 20, 0, 528)))
^  Exit: (185) [user] assertz(metta_file_comment(20, 0, 528, '$COMMENT'(";; the query", 20, 0), '$stream_position'(528, 20, 0, 528)))
^  Exit: (184) [user] read_single_line_comment((0x55772f068e50))
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1215808)
   Exit: (185) [system] peek_char((0x55772f068e50), ;)
   Call: (185) [system] (;)=(;)
   Exit: (185) [system] (;)=(;)
^  Call: (185) [user] read_single_line_comment((0x55772f068e50))
^  Call: (186) [user] read_position((0x55772f068e50), _1220446, _1220448, _1220450, _1220452)
   Call: (187) [system] stream_property((0x55772f068e50), position(_1220452))
   Call: (188) [system] nonvar((0x55772f068e50))
   Exit: (188) [system] nonvar((0x55772f068e50))
   Call: (188) [system] nonvar(position(_1220452))
   Exit: (188) [system] nonvar(position(_1220452))
   Exit: (187) [system] stream_property((0x55772f068e50), position('$stream_position'(541, 21, 0, 541)))
   Call: (187) [$syspreds] stream_position_data(line_count, '$stream_position'(541, 21, 0, 541), _1220446)
   Call: (188) [system] nonvar(line_count)
   Exit: (188) [system] nonvar(line_count)
   Call: (188) [$syspreds] stream_position_field(line_count, _1229740)
   Exit: (188) [$syspreds] stream_position_field(line_count, 2)
   Call: (188) [system] arg(2, '$stream_position'(541, 21, 0, 541), _1220446)
   Exit: (188) [system] arg(2, '$stream_position'(541, 21, 0, 541), 21)
   Exit: (187) [$syspreds] stream_position_data(line_count, '$stream_position'(541, 21, 0, 541), 21)
   Call: (187) [$syspreds] stream_position_data(line_position, '$stream_position'(541, 21, 0, 541), _1220448)
   Call: (188) [system] nonvar(line_position)
   Exit: (188) [system] nonvar(line_position)
   Call: (188) [$syspreds] stream_position_field(line_position, _1237174)
   Exit: (188) [$syspreds] stream_position_field(line_position, 3)
   Call: (188) [system] arg(3, '$stream_position'(541, 21, 0, 541), _1220448)
   Exit: (188) [system] arg(3, '$stream_position'(541, 21, 0, 541), 0)
   Exit: (187) [$syspreds] stream_position_data(line_position, '$stream_position'(541, 21, 0, 541), 0)
   Call: (187) [$syspreds] stream_position_data(char_count, '$stream_position'(541, 21, 0, 541), _1220450)
   Call: (188) [system] nonvar(char_count)
   Exit: (188) [system] nonvar(char_count)
   Call: (188) [$syspreds] stream_position_field(char_count, _1244608)
   Exit: (188) [$syspreds] stream_position_field(char_count, 1)
   Call: (188) [system] arg(1, '$stream_position'(541, 21, 0, 541), _1220450)
   Exit: (188) [system] arg(1, '$stream_position'(541, 21, 0, 541), 541)
   Exit: (187) [$syspreds] stream_position_data(char_count, '$stream_position'(541, 21, 0, 541), 541)
^  Exit: (186) [user] read_position((0x55772f068e50), 21, 0, 541, '$stream_position'(541, 21, 0, 541))
   Call: (186) [read_util] read_util:read_line_to_string((0x55772f068e50), _1250202)
   Call: (187) [system] read_string((0x55772f068e50), '\n', '\r', _1251132, _1251134)
   Exit: (187) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";;\t\t using the given axiom non-deterministic functions and rules.")
   Call: (187) [system] 10\== -1
   Exit: (187) [system] 10\== -1
   Call: (187) [system] _1250202=";;\t\t using the given axiom non-deterministic functions and rules."
   Exit: (187) [system] ";;\t\t using the given axiom non-deterministic functions and rules."=";;\t\t using the given axiom non-deterministic functions and rules."
   Exit: (186) [read_util] read_util:read_line_to_string((0x55772f068e50), ";;\t\t using the given axiom non-deterministic functions and rules.")
^  Call: (186) [user] assertz(metta_file_comment(21, 0, 541, '$COMMENT'(";;\t\t using the given axiom non-deterministic functions and rules.", 21, 0), '$stream_position'(541, 21, 0, 541)))
^  Exit: (186) [user] assertz(metta_file_comment(21, 0, 541, '$COMMENT'(";;\t\t using the given axiom non-deterministic functions and rules.", 21, 0), '$stream_position'(541, 21, 0, 541)))
^  Exit: (185) [user] read_single_line_comment((0x55772f068e50))
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1261406)
   Exit: (186) [system] peek_char((0x55772f068e50), ;)
   Call: (186) [system] (;)=(;)
   Exit: (186) [system] (;)=(;)
^  Call: (186) [user] read_single_line_comment((0x55772f068e50))
^  Call: (187) [user] read_position((0x55772f068e50), _1266044, _1266046, _1266048, _1266050)
   Call: (188) [system] stream_property((0x55772f068e50), position(_1266050))
   Call: (189) [system] nonvar((0x55772f068e50))
   Exit: (189) [system] nonvar((0x55772f068e50))
   Call: (189) [system] nonvar(position(_1266050))
   Exit: (189) [system] nonvar(position(_1266050))
   Exit: (188) [system] stream_property((0x55772f068e50), position('$stream_position'(607, 22, 0, 607)))
   Call: (188) [$syspreds] stream_position_data(line_count, '$stream_position'(607, 22, 0, 607), _1266044)
   Call: (189) [system] nonvar(line_count)
   Exit: (189) [system] nonvar(line_count)
   Call: (189) [$syspreds] stream_position_field(line_count, _1275338)
   Exit: (189) [$syspreds] stream_position_field(line_count, 2)
   Call: (189) [system] arg(2, '$stream_position'(607, 22, 0, 607), _1266044)
   Exit: (189) [system] arg(2, '$stream_position'(607, 22, 0, 607), 22)
   Exit: (188) [$syspreds] stream_position_data(line_count, '$stream_position'(607, 22, 0, 607), 22)
   Call: (188) [$syspreds] stream_position_data(line_position, '$stream_position'(607, 22, 0, 607), _1266046)
   Call: (189) [system] nonvar(line_position)
   Exit: (189) [system] nonvar(line_position)
   Call: (189) [$syspreds] stream_position_field(line_position, _1282772)
   Exit: (189) [$syspreds] stream_position_field(line_position, 3)
   Call: (189) [system] arg(3, '$stream_position'(607, 22, 0, 607), _1266046)
   Exit: (189) [system] arg(3, '$stream_position'(607, 22, 0, 607), 0)
   Exit: (188) [$syspreds] stream_position_data(line_position, '$stream_position'(607, 22, 0, 607), 0)
   Call: (188) [$syspreds] stream_position_data(char_count, '$stream_position'(607, 22, 0, 607), _1266048)
   Call: (189) [system] nonvar(char_count)
   Exit: (189) [system] nonvar(char_count)
   Call: (189) [$syspreds] stream_position_field(char_count, _1290206)
   Exit: (189) [$syspreds] stream_position_field(char_count, 1)
   Call: (189) [system] arg(1, '$stream_position'(607, 22, 0, 607), _1266048)
   Exit: (189) [system] arg(1, '$stream_position'(607, 22, 0, 607), 607)
   Exit: (188) [$syspreds] stream_position_data(char_count, '$stream_position'(607, 22, 0, 607), 607)
^  Exit: (187) [user] read_position((0x55772f068e50), 22, 0, 607, '$stream_position'(607, 22, 0, 607))
   Call: (187) [read_util] read_util:read_line_to_string((0x55772f068e50), _1295800)
   Call: (188) [system] read_string((0x55772f068e50), '\n', '\r', _1296730, _1296732)
   Exit: (188) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";;")
   Call: (188) [system] 10\== -1
   Exit: (188) [system] 10\== -1
   Call: (188) [system] _1295800=";;"
   Exit: (188) [system] ";;"=";;"
   Exit: (187) [read_util] read_util:read_line_to_string((0x55772f068e50), ";;")
^  Call: (187) [user] assertz(metta_file_comment(22, 0, 607, '$COMMENT'(";;", 22, 0), '$stream_position'(607, 22, 0, 607)))
^  Exit: (187) [user] assertz(metta_file_comment(22, 0, 607, '$COMMENT'(";;", 22, 0), '$stream_position'(607, 22, 0, 607)))
^  Exit: (186) [user] read_single_line_comment((0x55772f068e50))
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1306988)
   Exit: (187) [system] peek_char((0x55772f068e50), ;)
   Call: (187) [system] (;)=(;)
   Exit: (187) [system] (;)=(;)
^  Call: (187) [user] read_single_line_comment((0x55772f068e50))
^  Call: (188) [user] read_position((0x55772f068e50), _1311626, _1311628, _1311630, _1311632)
   Call: (189) [system] stream_property((0x55772f068e50), position(_1311632))
   Call: (190) [system] nonvar((0x55772f068e50))
   Exit: (190) [system] nonvar((0x55772f068e50))
   Call: (190) [system] nonvar(position(_1311632))
   Exit: (190) [system] nonvar(position(_1311632))
   Exit: (189) [system] stream_property((0x55772f068e50), position('$stream_position'(610, 23, 0, 610)))
   Call: (189) [$syspreds] stream_position_data(line_count, '$stream_position'(610, 23, 0, 610), _1311626)
   Call: (190) [system] nonvar(line_count)
   Exit: (190) [system] nonvar(line_count)
   Call: (190) [$syspreds] stream_position_field(line_count, _1320920)
   Exit: (190) [$syspreds] stream_position_field(line_count, 2)
   Call: (190) [system] arg(2, '$stream_position'(610, 23, 0, 610), _1311626)
   Exit: (190) [system] arg(2, '$stream_position'(610, 23, 0, 610), 23)
   Exit: (189) [$syspreds] stream_position_data(line_count, '$stream_position'(610, 23, 0, 610), 23)
   Call: (189) [$syspreds] stream_position_data(line_position, '$stream_position'(610, 23, 0, 610), _1311628)
   Call: (190) [system] nonvar(line_position)
   Exit: (190) [system] nonvar(line_position)
   Call: (190) [$syspreds] stream_position_field(line_position, _1328354)
   Exit: (190) [$syspreds] stream_position_field(line_position, 3)
   Call: (190) [system] arg(3, '$stream_position'(610, 23, 0, 610), _1311628)
   Exit: (190) [system] arg(3, '$stream_position'(610, 23, 0, 610), 0)
   Exit: (189) [$syspreds] stream_position_data(line_position, '$stream_position'(610, 23, 0, 610), 0)
   Call: (189) [$syspreds] stream_position_data(char_count, '$stream_position'(610, 23, 0, 610), _1311630)
   Call: (190) [system] nonvar(char_count)
   Exit: (190) [system] nonvar(char_count)
   Call: (190) [$syspreds] stream_position_field(char_count, _1335788)
   Exit: (190) [$syspreds] stream_position_field(char_count, 1)
   Call: (190) [system] arg(1, '$stream_position'(610, 23, 0, 610), _1311630)
   Exit: (190) [system] arg(1, '$stream_position'(610, 23, 0, 610), 610)
   Exit: (189) [$syspreds] stream_position_data(char_count, '$stream_position'(610, 23, 0, 610), 610)
^  Exit: (188) [user] read_position((0x55772f068e50), 23, 0, 610, '$stream_position'(610, 23, 0, 610))
   Call: (188) [read_util] read_util:read_line_to_string((0x55772f068e50), _1341382)
   Call: (189) [system] read_string((0x55772f068e50), '\n', '\r', _1342312, _1342314)
   Exit: (189) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";; The arguments are:")
   Call: (189) [system] 10\== -1
   Exit: (189) [system] 10\== -1
   Call: (189) [system] _1341382=";; The arguments are:"
   Exit: (189) [system] ";; The arguments are:"=";; The arguments are:"
   Exit: (188) [read_util] read_util:read_line_to_string((0x55772f068e50), ";; The arguments are:")
^  Call: (188) [user] assertz(metta_file_comment(23, 0, 610, '$COMMENT'(";; The arguments are:", 23, 0), '$stream_position'(610, 23, 0, 610)))
^  Exit: (188) [user] assertz(metta_file_comment(23, 0, 610, '$COMMENT'(";; The arguments are:", 23, 0), '$stream_position'(610, 23, 0, 610)))
^  Exit: (187) [user] read_single_line_comment((0x55772f068e50))
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1352574)
   Exit: (188) [system] peek_char((0x55772f068e50), ;)
   Call: (188) [system] (;)=(;)
   Exit: (188) [system] (;)=(;)
^  Call: (188) [user] read_single_line_comment((0x55772f068e50))
^  Call: (189) [user] read_position((0x55772f068e50), _1357212, _1357214, _1357216, _1357218)
   Call: (190) [system] stream_property((0x55772f068e50), position(_1357218))
   Call: (191) [system] nonvar((0x55772f068e50))
   Exit: (191) [system] nonvar((0x55772f068e50))
   Call: (191) [system] nonvar(position(_1357218))
   Exit: (191) [system] nonvar(position(_1357218))
   Exit: (190) [system] stream_property((0x55772f068e50), position('$stream_position'(632, 24, 0, 632)))
   Call: (190) [$syspreds] stream_position_data(line_count, '$stream_position'(632, 24, 0, 632), _1357212)
   Call: (191) [system] nonvar(line_count)
   Exit: (191) [system] nonvar(line_count)
   Call: (191) [$syspreds] stream_position_field(line_count, _1366506)
   Exit: (191) [$syspreds] stream_position_field(line_count, 2)
   Call: (191) [system] arg(2, '$stream_position'(632, 24, 0, 632), _1357212)
   Exit: (191) [system] arg(2, '$stream_position'(632, 24, 0, 632), 24)
   Exit: (190) [$syspreds] stream_position_data(line_count, '$stream_position'(632, 24, 0, 632), 24)
   Call: (190) [$syspreds] stream_position_data(line_position, '$stream_position'(632, 24, 0, 632), _1357214)
   Call: (191) [system] nonvar(line_position)
   Exit: (191) [system] nonvar(line_position)
   Call: (191) [$syspreds] stream_position_field(line_position, _1373940)
   Exit: (191) [$syspreds] stream_position_field(line_position, 3)
   Call: (191) [system] arg(3, '$stream_position'(632, 24, 0, 632), _1357214)
   Exit: (191) [system] arg(3, '$stream_position'(632, 24, 0, 632), 0)
   Exit: (190) [$syspreds] stream_position_data(line_position, '$stream_position'(632, 24, 0, 632), 0)
   Call: (190) [$syspreds] stream_position_data(char_count, '$stream_position'(632, 24, 0, 632), _1357216)
   Call: (191) [system] nonvar(char_count)
   Exit: (191) [system] nonvar(char_count)
   Call: (191) [$syspreds] stream_position_field(char_count, _1381374)
   Exit: (191) [$syspreds] stream_position_field(char_count, 1)
   Call: (191) [system] arg(1, '$stream_position'(632, 24, 0, 632), _1357216)
   Exit: (191) [system] arg(1, '$stream_position'(632, 24, 0, 632), 632)
   Exit: (190) [$syspreds] stream_position_data(char_count, '$stream_position'(632, 24, 0, 632), 632)
^  Exit: (189) [user] read_position((0x55772f068e50), 24, 0, 632, '$stream_position'(632, 24, 0, 632))
   Call: (189) [read_util] read_util:read_line_to_string((0x55772f068e50), _1386968)
   Call: (190) [system] read_string((0x55772f068e50), '\n', '\r', _1387898, _1387900)
   Exit: (190) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";;")
   Call: (190) [system] 10\== -1
   Exit: (190) [system] 10\== -1
   Call: (190) [system] _1386968=";;"
   Exit: (190) [system] ";;"=";;"
   Exit: (189) [read_util] read_util:read_line_to_string((0x55772f068e50), ";;")
^  Call: (189) [user] assertz(metta_file_comment(24, 0, 632, '$COMMENT'(";;", 24, 0), '$stream_position'(632, 24, 0, 632)))
^  Exit: (189) [user] assertz(metta_file_comment(24, 0, 632, '$COMMENT'(";;", 24, 0), '$stream_position'(632, 24, 0, 632)))
^  Exit: (188) [user] read_single_line_comment((0x55772f068e50))
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1398156)
   Exit: (189) [system] peek_char((0x55772f068e50), ;)
   Call: (189) [system] (;)=(;)
   Exit: (189) [system] (;)=(;)
^  Call: (189) [user] read_single_line_comment((0x55772f068e50))
^  Call: (190) [user] read_position((0x55772f068e50), _1402794, _1402796, _1402798, _1402800)
   Call: (191) [system] stream_property((0x55772f068e50), position(_1402800))
   Call: (192) [system] nonvar((0x55772f068e50))
   Exit: (192) [system] nonvar((0x55772f068e50))
   Call: (192) [system] nonvar(position(_1402800))
   Exit: (192) [system] nonvar(position(_1402800))
   Exit: (191) [system] stream_property((0x55772f068e50), position('$stream_position'(635, 25, 0, 635)))
   Call: (191) [$syspreds] stream_position_data(line_count, '$stream_position'(635, 25, 0, 635), _1402794)
   Call: (192) [system] nonvar(line_count)
   Exit: (192) [system] nonvar(line_count)
   Call: (192) [$syspreds] stream_position_field(line_count, _1412088)
   Exit: (192) [$syspreds] stream_position_field(line_count, 2)
   Call: (192) [system] arg(2, '$stream_position'(635, 25, 0, 635), _1402794)
   Exit: (192) [system] arg(2, '$stream_position'(635, 25, 0, 635), 25)
   Exit: (191) [$syspreds] stream_position_data(line_count, '$stream_position'(635, 25, 0, 635), 25)
   Call: (191) [$syspreds] stream_position_data(line_position, '$stream_position'(635, 25, 0, 635), _1402796)
   Call: (192) [system] nonvar(line_position)
   Exit: (192) [system] nonvar(line_position)
   Call: (192) [$syspreds] stream_position_field(line_position, _1419522)
   Exit: (192) [$syspreds] stream_position_field(line_position, 3)
   Call: (192) [system] arg(3, '$stream_position'(635, 25, 0, 635), _1402796)
   Exit: (192) [system] arg(3, '$stream_position'(635, 25, 0, 635), 0)
   Exit: (191) [$syspreds] stream_position_data(line_position, '$stream_position'(635, 25, 0, 635), 0)
   Call: (191) [$syspreds] stream_position_data(char_count, '$stream_position'(635, 25, 0, 635), _1402798)
   Call: (192) [system] nonvar(char_count)
   Exit: (192) [system] nonvar(char_count)
   Call: (192) [$syspreds] stream_position_field(char_count, _1426956)
   Exit: (192) [$syspreds] stream_position_field(char_count, 1)
   Call: (192) [system] arg(1, '$stream_position'(635, 25, 0, 635), _1402798)
   Exit: (192) [system] arg(1, '$stream_position'(635, 25, 0, 635), 635)
   Exit: (191) [$syspreds] stream_position_data(char_count, '$stream_position'(635, 25, 0, 635), 635)
^  Exit: (190) [user] read_position((0x55772f068e50), 25, 0, 635, '$stream_position'(635, 25, 0, 635))
   Call: (190) [read_util] read_util:read_line_to_string((0x55772f068e50), _1432550)
   Call: (191) [system] read_string((0x55772f068e50), '\n', '\r', _1433480, _1433482)
   Exit: (191) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";; $query: an Atom under the form (: TERM TYPE).  The atom may contain")
   Call: (191) [system] 10\== -1
   Exit: (191) [system] 10\== -1
   Call: (191) [system] _1432550=";; $query: an Atom under the form (: TERM TYPE).  The atom may contain"
   Exit: (191) [system] ";; $query: an Atom under the form (: TERM TYPE).  The atom may contain"=";; $query: an Atom under the form (: TERM TYPE).  The atom may contain"
   Exit: (190) [read_util] read_util:read_line_to_string((0x55772f068e50), ";; $query: an Atom under the form (: TERM TYPE).  The atom may contain")
^  Call: (190) [user] assertz(metta_file_comment(25, 0, 635, '$COMMENT'(";; $query: an Atom under the form (: TERM TYPE).  The atom may contain", 25, 0), '$stream_position'(635, 25, 0, 635)))
^  Exit: (190) [user] assertz(metta_file_comment(25, 0, 635, '$COMMENT'(";; $query: an Atom under the form (: TERM TYPE).  The atom may contain", 25, 0), '$stream_position'(635, 25, 0, 635)))
^  Exit: (189) [user] read_single_line_comment((0x55772f068e50))
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1443754)
   Exit: (190) [system] peek_char((0x55772f068e50), ;)
   Call: (190) [system] (;)=(;)
   Exit: (190) [system] (;)=(;)
^  Call: (190) [user] read_single_line_comment((0x55772f068e50))
^  Call: (191) [user] read_position((0x55772f068e50), _1448392, _1448394, _1448396, _1448398)
   Call: (192) [system] stream_property((0x55772f068e50), position(_1448398))
   Call: (193) [system] nonvar((0x55772f068e50))
   Exit: (193) [system] nonvar((0x55772f068e50))
   Call: (193) [system] nonvar(position(_1448398))
   Exit: (193) [system] nonvar(position(_1448398))
   Exit: (192) [system] stream_property((0x55772f068e50), position('$stream_position'(706, 26, 0, 706)))
   Call: (192) [$syspreds] stream_position_data(line_count, '$stream_position'(706, 26, 0, 706), _1448392)
   Call: (193) [system] nonvar(line_count)
   Exit: (193) [system] nonvar(line_count)
   Call: (193) [$syspreds] stream_position_field(line_count, _1457686)
   Exit: (193) [$syspreds] stream_position_field(line_count, 2)
   Call: (193) [system] arg(2, '$stream_position'(706, 26, 0, 706), _1448392)
   Exit: (193) [system] arg(2, '$stream_position'(706, 26, 0, 706), 26)
   Exit: (192) [$syspreds] stream_position_data(line_count, '$stream_position'(706, 26, 0, 706), 26)
   Call: (192) [$syspreds] stream_position_data(line_position, '$stream_position'(706, 26, 0, 706), _1448394)
   Call: (193) [system] nonvar(line_position)
   Exit: (193) [system] nonvar(line_position)
   Call: (193) [$syspreds] stream_position_field(line_position, _1465120)
   Exit: (193) [$syspreds] stream_position_field(line_position, 3)
   Call: (193) [system] arg(3, '$stream_position'(706, 26, 0, 706), _1448394)
   Exit: (193) [system] arg(3, '$stream_position'(706, 26, 0, 706), 0)
   Exit: (192) [$syspreds] stream_position_data(line_position, '$stream_position'(706, 26, 0, 706), 0)
   Call: (192) [$syspreds] stream_position_data(char_count, '$stream_position'(706, 26, 0, 706), _1448396)
   Call: (193) [system] nonvar(char_count)
   Exit: (193) [system] nonvar(char_count)
   Call: (193) [$syspreds] stream_position_field(char_count, _1472554)
   Exit: (193) [$syspreds] stream_position_field(char_count, 1)
   Call: (193) [system] arg(1, '$stream_position'(706, 26, 0, 706), _1448396)
   Exit: (193) [system] arg(1, '$stream_position'(706, 26, 0, 706), 706)
   Exit: (192) [$syspreds] stream_position_data(char_count, '$stream_position'(706, 26, 0, 706), 706)
^  Exit: (191) [user] read_position((0x55772f068e50), 26, 0, 706, '$stream_position'(706, 26, 0, 706))
   Call: (191) [read_util] read_util:read_line_to_string((0x55772f068e50), _1478148)
   Call: (192) [system] read_string((0x55772f068e50), '\n', '\r', _1479078, _1479080)
   Exit: (192) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";;         free variables within TERM and TYPE to form various sort of")
   Call: (192) [system] 10\== -1
   Exit: (192) [system] 10\== -1
   Call: (192) [system] _1478148=";;         free variables within TERM and TYPE to form various sort of"
   Exit: (192) [system] ";;         free variables within TERM and TYPE to form various sort of"=";;         free variables within TERM and TYPE to form various sort of"
   Exit: (191) [read_util] read_util:read_line_to_string((0x55772f068e50), ";;         free variables within TERM and TYPE to form various sort of")
^  Call: (191) [user] assertz(metta_file_comment(26, 0, 706, '$COMMENT'(";;         free variables within TERM and TYPE to form various sort of", 26, 0), '$stream_position'(706, 26, 0, 706)))
^  Exit: (191) [user] assertz(metta_file_comment(26, 0, 706, '$COMMENT'(";;         free variables within TERM and TYPE to form various sort of", 26, 0), '$stream_position'(706, 26, 0, 706)))
^  Exit: (190) [user] read_single_line_comment((0x55772f068e50))
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1489352)
   Exit: (191) [system] peek_char((0x55772f068e50), ;)
   Call: (191) [system] (;)=(;)
   Exit: (191) [system] (;)=(;)
^  Call: (191) [user] read_single_line_comment((0x55772f068e50))
^  Call: (192) [user] read_position((0x55772f068e50), _1493990, _1493992, _1493994, _1493996)
   Call: (193) [system] stream_property((0x55772f068e50), position(_1493996))
   Call: (194) [system] nonvar((0x55772f068e50))
   Exit: (194) [system] nonvar((0x55772f068e50))
   Call: (194) [system] nonvar(position(_1493996))
   Exit: (194) [system] nonvar(position(_1493996))
   Exit: (193) [system] stream_property((0x55772f068e50), position('$stream_position'(777, 27, 0, 777)))
   Call: (193) [$syspreds] stream_position_data(line_count, '$stream_position'(777, 27, 0, 777), _1493990)
   Call: (194) [system] nonvar(line_count)
   Exit: (194) [system] nonvar(line_count)
   Call: (194) [$syspreds] stream_position_field(line_count, _1503284)
   Exit: (194) [$syspreds] stream_position_field(line_count, 2)
   Call: (194) [system] arg(2, '$stream_position'(777, 27, 0, 777), _1493990)
   Exit: (194) [system] arg(2, '$stream_position'(777, 27, 0, 777), 27)
   Exit: (193) [$syspreds] stream_position_data(line_count, '$stream_position'(777, 27, 0, 777), 27)
   Call: (193) [$syspreds] stream_position_data(line_position, '$stream_position'(777, 27, 0, 777), _1493992)
   Call: (194) [system] nonvar(line_position)
   Exit: (194) [system] nonvar(line_position)
   Call: (194) [$syspreds] stream_position_field(line_position, _1510718)
   Exit: (194) [$syspreds] stream_position_field(line_position, 3)
   Call: (194) [system] arg(3, '$stream_position'(777, 27, 0, 777), _1493992)
   Exit: (194) [system] arg(3, '$stream_position'(777, 27, 0, 777), 0)
   Exit: (193) [$syspreds] stream_position_data(line_position, '$stream_position'(777, 27, 0, 777), 0)
   Call: (193) [$syspreds] stream_position_data(char_count, '$stream_position'(777, 27, 0, 777), _1493994)
   Call: (194) [system] nonvar(char_count)
   Exit: (194) [system] nonvar(char_count)
   Call: (194) [$syspreds] stream_position_field(char_count, _1518152)
   Exit: (194) [$syspreds] stream_position_field(char_count, 1)
   Call: (194) [system] arg(1, '$stream_position'(777, 27, 0, 777), _1493994)
   Exit: (194) [system] arg(1, '$stream_position'(777, 27, 0, 777), 777)
   Exit: (193) [$syspreds] stream_position_data(char_count, '$stream_position'(777, 27, 0, 777), 777)
^  Exit: (192) [user] read_position((0x55772f068e50), 27, 0, 777, '$stream_position'(777, 27, 0, 777))
   Call: (192) [read_util] read_util:read_line_to_string((0x55772f068e50), _1523746)
   Call: (193) [system] read_string((0x55772f068e50), '\n', '\r', _1524676, _1524678)
   Exit: (193) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";;         queries")
   Call: (193) [system] 10\== -1
   Exit: (193) [system] 10\== -1
   Call: (193) [system] _1523746=";;         queries"
   Exit: (193) [system] ";;         queries"=";;         queries"
   Exit: (192) [read_util] read_util:read_line_to_string((0x55772f068e50), ";;         queries")
^  Call: (192) [user] assertz(metta_file_comment(27, 0, 777, '$COMMENT'(";;         queries", 27, 0), '$stream_position'(777, 27, 0, 777)))
^  Exit: (192) [user] assertz(metta_file_comment(27, 0, 777, '$COMMENT'(";;         queries", 27, 0), '$stream_position'(777, 27, 0, 777)))
^  Exit: (191) [user] read_single_line_comment((0x55772f068e50))
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1534938)
   Exit: (192) [system] peek_char((0x55772f068e50), ;)
   Call: (192) [system] (;)=(;)
   Exit: (192) [system] (;)=(;)
^  Call: (192) [user] read_single_line_comment((0x55772f068e50))
^  Call: (193) [user] read_position((0x55772f068e50), _1539576, _1539578, _1539580, _1539582)
   Call: (194) [system] stream_property((0x55772f068e50), position(_1539582))
   Call: (195) [system] nonvar((0x55772f068e50))
   Exit: (195) [system] nonvar((0x55772f068e50))
   Call: (195) [system] nonvar(position(_1539582))
   Exit: (195) [system] nonvar(position(_1539582))
   Exit: (194) [system] stream_property((0x55772f068e50), position('$stream_position'(796, 28, 0, 796)))
   Call: (194) [$syspreds] stream_position_data(line_count, '$stream_position'(796, 28, 0, 796), _1539576)
   Call: (195) [system] nonvar(line_count)
   Exit: (195) [system] nonvar(line_count)
   Call: (195) [$syspreds] stream_position_field(line_count, _1548870)
   Exit: (195) [$syspreds] stream_position_field(line_count, 2)
   Call: (195) [system] arg(2, '$stream_position'(796, 28, 0, 796), _1539576)
   Exit: (195) [system] arg(2, '$stream_position'(796, 28, 0, 796), 28)
   Exit: (194) [$syspreds] stream_position_data(line_count, '$stream_position'(796, 28, 0, 796), 28)
   Call: (194) [$syspreds] stream_position_data(line_position, '$stream_position'(796, 28, 0, 796), _1539578)
   Call: (195) [system] nonvar(line_position)
   Exit: (195) [system] nonvar(line_position)
   Call: (195) [$syspreds] stream_position_field(line_position, _1556304)
   Exit: (195) [$syspreds] stream_position_field(line_position, 3)
   Call: (195) [system] arg(3, '$stream_position'(796, 28, 0, 796), _1539578)
   Exit: (195) [system] arg(3, '$stream_position'(796, 28, 0, 796), 0)
   Exit: (194) [$syspreds] stream_position_data(line_position, '$stream_position'(796, 28, 0, 796), 0)
   Call: (194) [$syspreds] stream_position_data(char_count, '$stream_position'(796, 28, 0, 796), _1539580)
   Call: (195) [system] nonvar(char_count)
   Exit: (195) [system] nonvar(char_count)
   Call: (195) [$syspreds] stream_position_field(char_count, _1563738)
   Exit: (195) [$syspreds] stream_position_field(char_count, 1)
   Call: (195) [system] arg(1, '$stream_position'(796, 28, 0, 796), _1539580)
   Exit: (195) [system] arg(1, '$stream_position'(796, 28, 0, 796), 796)
   Exit: (194) [$syspreds] stream_position_data(char_count, '$stream_position'(796, 28, 0, 796), 796)
^  Exit: (193) [user] read_position((0x55772f068e50), 28, 0, 796, '$stream_position'(796, 28, 0, 796))
   Call: (193) [read_util] read_util:read_line_to_string((0x55772f068e50), _1569332)
   Call: (194) [system] read_string((0x55772f068e50), '\n', '\r', _1570262, _1570264)
   Exit: (194) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";;\t\t such as:")
   Call: (194) [system] 10\== -1
   Exit: (194) [system] 10\== -1
   Call: (194) [system] _1569332=";;\t\t such as:"
   Exit: (194) [system] ";;\t\t such as:"=";;\t\t such as:"
   Exit: (193) [read_util] read_util:read_line_to_string((0x55772f068e50), ";;\t\t such as:")
^  Call: (193) [user] assertz(metta_file_comment(28, 0, 796, '$COMMENT'(";;\t\t such as:", 28, 0), '$stream_position'(796, 28, 0, 796)))
^  Exit: (193) [user] assertz(metta_file_comment(28, 0, 796, '$COMMENT'(";;\t\t such as:", 28, 0), '$stream_position'(796, 28, 0, 796)))
^  Exit: (192) [user] read_single_line_comment((0x55772f068e50))
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1580522)
   Exit: (193) [system] peek_char((0x55772f068e50), ;)
   Call: (193) [system] (;)=(;)
   Exit: (193) [system] (;)=(;)
^  Call: (193) [user] read_single_line_comment((0x55772f068e50))
^  Call: (194) [user] read_position((0x55772f068e50), _1585160, _1585162, _1585164, _1585166)
   Call: (195) [system] stream_property((0x55772f068e50), position(_1585166))
   Call: (196) [system] nonvar((0x55772f068e50))
   Exit: (196) [system] nonvar((0x55772f068e50))
   Call: (196) [system] nonvar(position(_1585166))
   Exit: (196) [system] nonvar(position(_1585166))
   Exit: (195) [system] stream_property((0x55772f068e50), position('$stream_position'(810, 29, 0, 810)))
   Call: (195) [$syspreds] stream_position_data(line_count, '$stream_position'(810, 29, 0, 810), _1585160)
   Call: (196) [system] nonvar(line_count)
   Exit: (196) [system] nonvar(line_count)
   Call: (196) [$syspreds] stream_position_field(line_count, _1594454)
   Exit: (196) [$syspreds] stream_position_field(line_count, 2)
   Call: (196) [system] arg(2, '$stream_position'(810, 29, 0, 810), _1585160)
   Exit: (196) [system] arg(2, '$stream_position'(810, 29, 0, 810), 29)
   Exit: (195) [$syspreds] stream_position_data(line_count, '$stream_position'(810, 29, 0, 810), 29)
   Call: (195) [$syspreds] stream_position_data(line_position, '$stream_position'(810, 29, 0, 810), _1585162)
   Call: (196) [system] nonvar(line_position)
   Exit: (196) [system] nonvar(line_position)
   Call: (196) [$syspreds] stream_position_field(line_position, _1601888)
   Exit: (196) [$syspreds] stream_position_field(line_position, 3)
   Call: (196) [system] arg(3, '$stream_position'(810, 29, 0, 810), _1585162)
   Exit: (196) [system] arg(3, '$stream_position'(810, 29, 0, 810), 0)
   Exit: (195) [$syspreds] stream_position_data(line_position, '$stream_position'(810, 29, 0, 810), 0)
   Call: (195) [$syspreds] stream_position_data(char_count, '$stream_position'(810, 29, 0, 810), _1585164)
   Call: (196) [system] nonvar(char_count)
   Exit: (196) [system] nonvar(char_count)
   Call: (196) [$syspreds] stream_position_field(char_count, _1609322)
   Exit: (196) [$syspreds] stream_position_field(char_count, 1)
   Call: (196) [system] arg(1, '$stream_position'(810, 29, 0, 810), _1585164)
   Exit: (196) [system] arg(1, '$stream_position'(810, 29, 0, 810), 810)
   Exit: (195) [$syspreds] stream_position_data(char_count, '$stream_position'(810, 29, 0, 810), 810)
^  Exit: (194) [user] read_position((0x55772f068e50), 29, 0, 810, '$stream_position'(810, 29, 0, 810))
   Call: (194) [read_util] read_util:read_line_to_string((0x55772f068e50), _1614916)
   Call: (195) [system] read_string((0x55772f068e50), '\n', '\r', _1615846, _1615848)
   Exit: (195) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";;         1. Backward chaining: (: $term (Inheritance $x Mammal))")
   Call: (195) [system] 10\== -1
   Exit: (195) [system] 10\== -1
   Call: (195) [system] _1614916=";;         1. Backward chaining: (: $term (Inheritance $x Mammal))"
   Exit: (195) [system] ";;         1. Backward chaining: (: $term (Inheritance $x Mammal))"=";;         1. Backward chaining: (: $term (Inheritance $x Mammal))"
   Exit: (194) [read_util] read_util:read_line_to_string((0x55772f068e50), ";;         1. Backward chaining: (: $term (Inheritance $x Mammal))")
^  Call: (194) [user] assertz(metta_file_comment(29, 0, 810, '$COMMENT'(";;         1. Backward chaining: (: $term (Inheritance $x Mammal))", 29, 0), '$stream_position'(810, 29, 0, 810)))
^  Exit: (194) [user] assertz(metta_file_comment(29, 0, 810, '$COMMENT'(";;         1. Backward chaining: (: $term (Inheritance $x Mammal))", 29, 0), '$stream_position'(810, 29, 0, 810)))
^  Exit: (193) [user] read_single_line_comment((0x55772f068e50))
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1626120)
   Exit: (194) [system] peek_char((0x55772f068e50), ;)
   Call: (194) [system] (;)=(;)
   Exit: (194) [system] (;)=(;)
^  Call: (194) [user] read_single_line_comment((0x55772f068e50))
^  Call: (195) [user] read_position((0x55772f068e50), _1630758, _1630760, _1630762, _1630764)
   Call: (196) [system] stream_property((0x55772f068e50), position(_1630764))
   Call: (197) [system] nonvar((0x55772f068e50))
   Exit: (197) [system] nonvar((0x55772f068e50))
   Call: (197) [system] nonvar(position(_1630764))
   Exit: (197) [system] nonvar(position(_1630764))
   Exit: (196) [system] stream_property((0x55772f068e50), position('$stream_position'(877, 30, 0, 877)))
   Call: (196) [$syspreds] stream_position_data(line_count, '$stream_position'(877, 30, 0, 877), _1630758)
   Call: (197) [system] nonvar(line_count)
   Exit: (197) [system] nonvar(line_count)
   Call: (197) [$syspreds] stream_position_field(line_count, _1640052)
   Exit: (197) [$syspreds] stream_position_field(line_count, 2)
   Call: (197) [system] arg(2, '$stream_position'(877, 30, 0, 877), _1630758)
   Exit: (197) [system] arg(2, '$stream_position'(877, 30, 0, 877), 30)
   Exit: (196) [$syspreds] stream_position_data(line_count, '$stream_position'(877, 30, 0, 877), 30)
   Call: (196) [$syspreds] stream_position_data(line_position, '$stream_position'(877, 30, 0, 877), _1630760)
   Call: (197) [system] nonvar(line_position)
   Exit: (197) [system] nonvar(line_position)
   Call: (197) [$syspreds] stream_position_field(line_position, _1647486)
   Exit: (197) [$syspreds] stream_position_field(line_position, 3)
   Call: (197) [system] arg(3, '$stream_position'(877, 30, 0, 877), _1630760)
   Exit: (197) [system] arg(3, '$stream_position'(877, 30, 0, 877), 0)
   Exit: (196) [$syspreds] stream_position_data(line_position, '$stream_position'(877, 30, 0, 877), 0)
   Call: (196) [$syspreds] stream_position_data(char_count, '$stream_position'(877, 30, 0, 877), _1630762)
   Call: (197) [system] nonvar(char_count)
   Exit: (197) [system] nonvar(char_count)
   Call: (197) [$syspreds] stream_position_field(char_count, _1654920)
   Exit: (197) [$syspreds] stream_position_field(char_count, 1)
   Call: (197) [system] arg(1, '$stream_position'(877, 30, 0, 877), _1630762)
   Exit: (197) [system] arg(1, '$stream_position'(877, 30, 0, 877), 877)
   Exit: (196) [$syspreds] stream_position_data(char_count, '$stream_position'(877, 30, 0, 877), 877)
^  Exit: (195) [user] read_position((0x55772f068e50), 30, 0, 877, '$stream_position'(877, 30, 0, 877))
   Call: (195) [read_util] read_util:read_line_to_string((0x55772f068e50), _1660514)
   Call: (196) [system] read_string((0x55772f068e50), '\n', '\r', _1661444, _1661446)
   Exit: (196) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";;         2. Forward chaining: (: ($rule $premise AXIOM) $type)")
   Call: (196) [system] 10\== -1
   Exit: (196) [system] 10\== -1
   Call: (196) [system] _1660514=";;         2. Forward chaining: (: ($rule $premise AXIOM) $type)"
   Exit: (196) [system] ";;         2. Forward chaining: (: ($rule $premise AXIOM) $type)"=";;         2. Forward chaining: (: ($rule $premise AXIOM) $type)"
   Exit: (195) [read_util] read_util:read_line_to_string((0x55772f068e50), ";;         2. Forward chaining: (: ($rule $premise AXIOM) $type)")
^  Call: (195) [user] assertz(metta_file_comment(30, 0, 877, '$COMMENT'(";;         2. Forward chaining: (: ($rule $premise AXIOM) $type)", 30, 0), '$stream_position'(877, 30, 0, 877)))
^  Exit: (195) [user] assertz(metta_file_comment(30, 0, 877, '$COMMENT'(";;         2. Forward chaining: (: ($rule $premise AXIOM) $type)", 30, 0), '$stream_position'(877, 30, 0, 877)))
^  Exit: (194) [user] read_single_line_comment((0x55772f068e50))
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1671718)
   Exit: (195) [system] peek_char((0x55772f068e50), ;)
   Call: (195) [system] (;)=(;)
   Exit: (195) [system] (;)=(;)
^  Call: (195) [user] read_single_line_comment((0x55772f068e50))
^  Call: (196) [user] read_position((0x55772f068e50), _1676356, _1676358, _1676360, _1676362)
   Call: (197) [system] stream_property((0x55772f068e50), position(_1676362))
   Call: (198) [system] nonvar((0x55772f068e50))
   Exit: (198) [system] nonvar((0x55772f068e50))
   Call: (198) [system] nonvar(position(_1676362))
   Exit: (198) [system] nonvar(position(_1676362))
   Exit: (197) [system] stream_property((0x55772f068e50), position('$stream_position'(942, 31, 0, 942)))
   Call: (197) [$syspreds] stream_position_data(line_count, '$stream_position'(942, 31, 0, 942), _1676356)
   Call: (198) [system] nonvar(line_count)
   Exit: (198) [system] nonvar(line_count)
   Call: (198) [$syspreds] stream_position_field(line_count, _1685650)
   Exit: (198) [$syspreds] stream_position_field(line_count, 2)
   Call: (198) [system] arg(2, '$stream_position'(942, 31, 0, 942), _1676356)
   Exit: (198) [system] arg(2, '$stream_position'(942, 31, 0, 942), 31)
   Exit: (197) [$syspreds] stream_position_data(line_count, '$stream_position'(942, 31, 0, 942), 31)
   Call: (197) [$syspreds] stream_position_data(line_position, '$stream_position'(942, 31, 0, 942), _1676358)
   Call: (198) [system] nonvar(line_position)
   Exit: (198) [system] nonvar(line_position)
   Call: (198) [$syspreds] stream_position_field(line_position, _1693084)
   Exit: (198) [$syspreds] stream_position_field(line_position, 3)
   Call: (198) [system] arg(3, '$stream_position'(942, 31, 0, 942), _1676358)
   Exit: (198) [system] arg(3, '$stream_position'(942, 31, 0, 942), 0)
   Exit: (197) [$syspreds] stream_position_data(line_position, '$stream_position'(942, 31, 0, 942), 0)
   Call: (197) [$syspreds] stream_position_data(char_count, '$stream_position'(942, 31, 0, 942), _1676360)
   Call: (198) [system] nonvar(char_count)
   Exit: (198) [system] nonvar(char_count)
   Call: (198) [$syspreds] stream_position_field(char_count, _1700518)
   Exit: (198) [$syspreds] stream_position_field(char_count, 1)
   Call: (198) [system] arg(1, '$stream_position'(942, 31, 0, 942), _1676360)
   Exit: (198) [system] arg(1, '$stream_position'(942, 31, 0, 942), 942)
   Exit: (197) [$syspreds] stream_position_data(char_count, '$stream_position'(942, 31, 0, 942), 942)
^  Exit: (196) [user] read_position((0x55772f068e50), 31, 0, 942, '$stream_position'(942, 31, 0, 942))
   Call: (196) [read_util] read_util:read_line_to_string((0x55772f068e50), _1706112)
   Call: (197) [system] read_string((0x55772f068e50), '\n', '\r', _1707042, _1707044)
   Exit: (197) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";;         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (197) [system] 10\== -1
   Exit: (197) [system] 10\== -1
   Call: (197) [system] _1706112=";;         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))"
   Exit: (197) [system] ";;         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))"=";;         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))"
   Exit: (196) [read_util] read_util:read_line_to_string((0x55772f068e50), ";;         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Call: (196) [user] assertz(metta_file_comment(31, 0, 942, '$COMMENT'(";;         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", 31, 0), '$stream_position'(942, 31, 0, 942)))
^  Exit: (196) [user] assertz(metta_file_comment(31, 0, 942, '$COMMENT'(";;         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", 31, 0), '$stream_position'(942, 31, 0, 942)))
^  Exit: (195) [user] read_single_line_comment((0x55772f068e50))
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1717320)
   Exit: (196) [system] peek_char((0x55772f068e50), ;)
   Call: (196) [system] (;)=(;)
   Exit: (196) [system] (;)=(;)
^  Call: (196) [user] read_single_line_comment((0x55772f068e50))
^  Call: (197) [user] read_position((0x55772f068e50), _1721958, _1721960, _1721962, _1721964)
   Call: (198) [system] stream_property((0x55772f068e50), position(_1721964))
   Call: (199) [system] nonvar((0x55772f068e50))
   Exit: (199) [system] nonvar((0x55772f068e50))
   Call: (199) [system] nonvar(position(_1721964))
   Exit: (199) [system] nonvar(position(_1721964))
   Exit: (198) [system] stream_property((0x55772f068e50), position('$stream_position'(1023, 32, 0, 1023)))
   Call: (198) [$syspreds] stream_position_data(line_count, '$stream_position'(1023, 32, 0, 1023), _1721958)
   Call: (199) [system] nonvar(line_count)
   Exit: (199) [system] nonvar(line_count)
   Call: (199) [$syspreds] stream_position_field(line_count, _1731252)
   Exit: (199) [$syspreds] stream_position_field(line_count, 2)
   Call: (199) [system] arg(2, '$stream_position'(1023, 32, 0, 1023), _1721958)
   Exit: (199) [system] arg(2, '$stream_position'(1023, 32, 0, 1023), 32)
   Exit: (198) [$syspreds] stream_position_data(line_count, '$stream_position'(1023, 32, 0, 1023), 32)
   Call: (198) [$syspreds] stream_position_data(line_position, '$stream_position'(1023, 32, 0, 1023), _1721960)
   Call: (199) [system] nonvar(line_position)
   Exit: (199) [system] nonvar(line_position)
   Call: (199) [$syspreds] stream_position_field(line_position, _1738686)
   Exit: (199) [$syspreds] stream_position_field(line_position, 3)
   Call: (199) [system] arg(3, '$stream_position'(1023, 32, 0, 1023), _1721960)
   Exit: (199) [system] arg(3, '$stream_position'(1023, 32, 0, 1023), 0)
   Exit: (198) [$syspreds] stream_position_data(line_position, '$stream_position'(1023, 32, 0, 1023), 0)
   Call: (198) [$syspreds] stream_position_data(char_count, '$stream_position'(1023, 32, 0, 1023), _1721962)
   Call: (199) [system] nonvar(char_count)
   Exit: (199) [system] nonvar(char_count)
   Call: (199) [$syspreds] stream_position_field(char_count, _1746120)
   Exit: (199) [$syspreds] stream_position_field(char_count, 1)
   Call: (199) [system] arg(1, '$stream_position'(1023, 32, 0, 1023), _1721962)
   Exit: (199) [system] arg(1, '$stream_position'(1023, 32, 0, 1023), 1023)
   Exit: (198) [$syspreds] stream_position_data(char_count, '$stream_position'(1023, 32, 0, 1023), 1023)
^  Exit: (197) [user] read_position((0x55772f068e50), 32, 0, 1023, '$stream_position'(1023, 32, 0, 1023))
   Call: (197) [read_util] read_util:read_line_to_string((0x55772f068e50), _1751714)
   Call: (198) [system] read_string((0x55772f068e50), '\n', '\r', _1752644, _1752646)
   Exit: (198) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";;         4. Type checking: (: TERM TYPE)")
   Call: (198) [system] 10\== -1
   Exit: (198) [system] 10\== -1
   Call: (198) [system] _1751714=";;         4. Type checking: (: TERM TYPE)"
   Exit: (198) [system] ";;         4. Type checking: (: TERM TYPE)"=";;         4. Type checking: (: TERM TYPE)"
   Exit: (197) [read_util] read_util:read_line_to_string((0x55772f068e50), ";;         4. Type checking: (: TERM TYPE)")
^  Call: (197) [user] assertz(metta_file_comment(32, 0, 1023, '$COMMENT'(";;         4. Type checking: (: TERM TYPE)", 32, 0), '$stream_position'(1023, 32, 0, 1023)))
^  Exit: (197) [user] assertz(metta_file_comment(32, 0, 1023, '$COMMENT'(";;         4. Type checking: (: TERM TYPE)", 32, 0), '$stream_position'(1023, 32, 0, 1023)))
^  Exit: (196) [user] read_single_line_comment((0x55772f068e50))
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1762912)
   Exit: (197) [system] peek_char((0x55772f068e50), ;)
   Call: (197) [system] (;)=(;)
   Exit: (197) [system] (;)=(;)
^  Call: (197) [user] read_single_line_comment((0x55772f068e50))
^  Call: (198) [user] read_position((0x55772f068e50), _1767550, _1767552, _1767554, _1767556)
   Call: (199) [system] stream_property((0x55772f068e50), position(_1767556))
   Call: (200) [system] nonvar((0x55772f068e50))
   Exit: (200) [system] nonvar((0x55772f068e50))
   Call: (200) [system] nonvar(position(_1767556))
   Exit: (200) [system] nonvar(position(_1767556))
   Exit: (199) [system] stream_property((0x55772f068e50), position('$stream_position'(1066, 33, 0, 1066)))
   Call: (199) [$syspreds] stream_position_data(line_count, '$stream_position'(1066, 33, 0, 1066), _1767550)
   Call: (200) [system] nonvar(line_count)
   Exit: (200) [system] nonvar(line_count)
   Call: (200) [$syspreds] stream_position_field(line_count, _1776844)
   Exit: (200) [$syspreds] stream_position_field(line_count, 2)
   Call: (200) [system] arg(2, '$stream_position'(1066, 33, 0, 1066), _1767550)
   Exit: (200) [system] arg(2, '$stream_position'(1066, 33, 0, 1066), 33)
   Exit: (199) [$syspreds] stream_position_data(line_count, '$stream_position'(1066, 33, 0, 1066), 33)
   Call: (199) [$syspreds] stream_position_data(line_position, '$stream_position'(1066, 33, 0, 1066), _1767552)
   Call: (200) [system] nonvar(line_position)
   Exit: (200) [system] nonvar(line_position)
   Call: (200) [$syspreds] stream_position_field(line_position, _1784278)
   Exit: (200) [$syspreds] stream_position_field(line_position, 3)
   Call: (200) [system] arg(3, '$stream_position'(1066, 33, 0, 1066), _1767552)
   Exit: (200) [system] arg(3, '$stream_position'(1066, 33, 0, 1066), 0)
   Exit: (199) [$syspreds] stream_position_data(line_position, '$stream_position'(1066, 33, 0, 1066), 0)
   Call: (199) [$syspreds] stream_position_data(char_count, '$stream_position'(1066, 33, 0, 1066), _1767554)
   Call: (200) [system] nonvar(char_count)
   Exit: (200) [system] nonvar(char_count)
   Call: (200) [$syspreds] stream_position_field(char_count, _1791712)
   Exit: (200) [$syspreds] stream_position_field(char_count, 1)
   Call: (200) [system] arg(1, '$stream_position'(1066, 33, 0, 1066), _1767554)
   Exit: (200) [system] arg(1, '$stream_position'(1066, 33, 0, 1066), 1066)
   Exit: (199) [$syspreds] stream_position_data(char_count, '$stream_position'(1066, 33, 0, 1066), 1066)
^  Exit: (198) [user] read_position((0x55772f068e50), 33, 0, 1066, '$stream_position'(1066, 33, 0, 1066))
   Call: (198) [read_util] read_util:read_line_to_string((0x55772f068e50), _1797306)
   Call: (199) [system] read_string((0x55772f068e50), '\n', '\r', _1798236, _1798238)
   Exit: (199) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";;         5. Type inference: (: TERM $type)")
   Call: (199) [system] 10\== -1
   Exit: (199) [system] 10\== -1
   Call: (199) [system] _1797306=";;         5. Type inference: (: TERM $type)"
   Exit: (199) [system] ";;         5. Type inference: (: TERM $type)"=";;         5. Type inference: (: TERM $type)"
   Exit: (198) [read_util] read_util:read_line_to_string((0x55772f068e50), ";;         5. Type inference: (: TERM $type)")
^  Call: (198) [user] assertz(metta_file_comment(33, 0, 1066, '$COMMENT'(";;         5. Type inference: (: TERM $type)", 33, 0), '$stream_position'(1066, 33, 0, 1066)))
^  Exit: (198) [user] assertz(metta_file_comment(33, 0, 1066, '$COMMENT'(";;         5. Type inference: (: TERM $type)", 33, 0), '$stream_position'(1066, 33, 0, 1066)))
^  Exit: (197) [user] read_single_line_comment((0x55772f068e50))
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1808504)
   Exit: (198) [system] peek_char((0x55772f068e50), ;)
   Call: (198) [system] (;)=(;)
   Exit: (198) [system] (;)=(;)
^  Call: (198) [user] read_single_line_comment((0x55772f068e50))
^  Call: (199) [user] read_position((0x55772f068e50), _1813142, _1813144, _1813146, _1813148)
   Call: (200) [system] stream_property((0x55772f068e50), position(_1813148))
   Call: (201) [system] nonvar((0x55772f068e50))
   Exit: (201) [system] nonvar((0x55772f068e50))
   Call: (201) [system] nonvar(position(_1813148))
   Exit: (201) [system] nonvar(position(_1813148))
   Exit: (200) [system] stream_property((0x55772f068e50), position('$stream_position'(1111, 34, 0, 1111)))
   Call: (200) [$syspreds] stream_position_data(line_count, '$stream_position'(1111, 34, 0, 1111), _1813142)
   Call: (201) [system] nonvar(line_count)
   Exit: (201) [system] nonvar(line_count)
   Call: (201) [$syspreds] stream_position_field(line_count, _1822436)
   Exit: (201) [$syspreds] stream_position_field(line_count, 2)
   Call: (201) [system] arg(2, '$stream_position'(1111, 34, 0, 1111), _1813142)
   Exit: (201) [system] arg(2, '$stream_position'(1111, 34, 0, 1111), 34)
   Exit: (200) [$syspreds] stream_position_data(line_count, '$stream_position'(1111, 34, 0, 1111), 34)
   Call: (200) [$syspreds] stream_position_data(line_position, '$stream_position'(1111, 34, 0, 1111), _1813144)
   Call: (201) [system] nonvar(line_position)
   Exit: (201) [system] nonvar(line_position)
   Call: (201) [$syspreds] stream_position_field(line_position, _1829870)
   Exit: (201) [$syspreds] stream_position_field(line_position, 3)
   Call: (201) [system] arg(3, '$stream_position'(1111, 34, 0, 1111), _1813144)
   Exit: (201) [system] arg(3, '$stream_position'(1111, 34, 0, 1111), 0)
   Exit: (200) [$syspreds] stream_position_data(line_position, '$stream_position'(1111, 34, 0, 1111), 0)
   Call: (200) [$syspreds] stream_position_data(char_count, '$stream_position'(1111, 34, 0, 1111), _1813146)
   Call: (201) [system] nonvar(char_count)
   Exit: (201) [system] nonvar(char_count)
   Call: (201) [$syspreds] stream_position_field(char_count, _1837304)
   Exit: (201) [$syspreds] stream_position_field(char_count, 1)
   Call: (201) [system] arg(1, '$stream_position'(1111, 34, 0, 1111), _1813146)
   Exit: (201) [system] arg(1, '$stream_position'(1111, 34, 0, 1111), 1111)
   Exit: (200) [$syspreds] stream_position_data(char_count, '$stream_position'(1111, 34, 0, 1111), 1111)
^  Exit: (199) [user] read_position((0x55772f068e50), 34, 0, 1111, '$stream_position'(1111, 34, 0, 1111))
   Call: (199) [read_util] read_util:read_line_to_string((0x55772f068e50), _1842898)
   Call: (200) [system] read_string((0x55772f068e50), '\n', '\r', _1843828, _1843830)
   Exit: (200) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";;")
   Call: (200) [system] 10\== -1
   Exit: (200) [system] 10\== -1
   Call: (200) [system] _1842898=";;"
   Exit: (200) [system] ";;"=";;"
   Exit: (199) [read_util] read_util:read_line_to_string((0x55772f068e50), ";;")
^  Call: (199) [user] assertz(metta_file_comment(34, 0, 1111, '$COMMENT'(";;", 34, 0), '$stream_position'(1111, 34, 0, 1111)))
^  Exit: (199) [user] assertz(metta_file_comment(34, 0, 1111, '$COMMENT'(";;", 34, 0), '$stream_position'(1111, 34, 0, 1111)))
^  Exit: (198) [user] read_single_line_comment((0x55772f068e50))
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1854086)
   Exit: (199) [system] peek_char((0x55772f068e50), ;)
   Call: (199) [system] (;)=(;)
   Exit: (199) [system] (;)=(;)
^  Call: (199) [user] read_single_line_comment((0x55772f068e50))
^  Call: (200) [user] read_position((0x55772f068e50), _1858724, _1858726, _1858728, _1858730)
   Call: (201) [system] stream_property((0x55772f068e50), position(_1858730))
   Call: (202) [system] nonvar((0x55772f068e50))
   Exit: (202) [system] nonvar((0x55772f068e50))
   Call: (202) [system] nonvar(position(_1858730))
   Exit: (202) [system] nonvar(position(_1858730))
   Exit: (201) [system] stream_property((0x55772f068e50), position('$stream_position'(1114, 35, 0, 1114)))
   Call: (201) [$syspreds] stream_position_data(line_count, '$stream_position'(1114, 35, 0, 1114), _1858724)
   Call: (202) [system] nonvar(line_count)
   Exit: (202) [system] nonvar(line_count)
   Call: (202) [$syspreds] stream_position_field(line_count, _1868018)
   Exit: (202) [$syspreds] stream_position_field(line_count, 2)
   Call: (202) [system] arg(2, '$stream_position'(1114, 35, 0, 1114), _1858724)
   Exit: (202) [system] arg(2, '$stream_position'(1114, 35, 0, 1114), 35)
   Exit: (201) [$syspreds] stream_position_data(line_count, '$stream_position'(1114, 35, 0, 1114), 35)
   Call: (201) [$syspreds] stream_position_data(line_position, '$stream_position'(1114, 35, 0, 1114), _1858726)
   Call: (202) [system] nonvar(line_position)
   Exit: (202) [system] nonvar(line_position)
   Call: (202) [$syspreds] stream_position_field(line_position, _1875452)
   Exit: (202) [$syspreds] stream_position_field(line_position, 3)
   Call: (202) [system] arg(3, '$stream_position'(1114, 35, 0, 1114), _1858726)
   Exit: (202) [system] arg(3, '$stream_position'(1114, 35, 0, 1114), 0)
   Exit: (201) [$syspreds] stream_position_data(line_position, '$stream_position'(1114, 35, 0, 1114), 0)
   Call: (201) [$syspreds] stream_position_data(char_count, '$stream_position'(1114, 35, 0, 1114), _1858728)
   Call: (202) [system] nonvar(char_count)
   Exit: (202) [system] nonvar(char_count)
   Call: (202) [$syspreds] stream_position_field(char_count, _1882886)
   Exit: (202) [$syspreds] stream_position_field(char_count, 1)
   Call: (202) [system] arg(1, '$stream_position'(1114, 35, 0, 1114), _1858728)
   Exit: (202) [system] arg(1, '$stream_position'(1114, 35, 0, 1114), 1114)
   Exit: (201) [$syspreds] stream_position_data(char_count, '$stream_position'(1114, 35, 0, 1114), 1114)
^  Exit: (200) [user] read_position((0x55772f068e50), 35, 0, 1114, '$stream_position'(1114, 35, 0, 1114))
   Call: (200) [read_util] read_util:read_line_to_string((0x55772f068e50), _1888480)
   Call: (201) [system] read_string((0x55772f068e50), '\n', '\r', _1889410, _1889412)
   Exit: (201) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";; $kb: a nullary function to axiom")
   Call: (201) [system] 10\== -1
   Exit: (201) [system] 10\== -1
   Call: (201) [system] _1888480=";; $kb: a nullary function to axiom"
   Exit: (201) [system] ";; $kb: a nullary function to axiom"=";; $kb: a nullary function to axiom"
   Exit: (200) [read_util] read_util:read_line_to_string((0x55772f068e50), ";; $kb: a nullary function to axiom")
^  Call: (200) [user] assertz(metta_file_comment(35, 0, 1114, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), '$stream_position'(1114, 35, 0, 1114)))
^  Exit: (200) [user] assertz(metta_file_comment(35, 0, 1114, '$COMMENT'(";; $kb: a nullary function to axiom", 35, 0), '$stream_position'(1114, 35, 0, 1114)))
^  Exit: (199) [user] read_single_line_comment((0x55772f068e50))
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1899676)
   Exit: (200) [system] peek_char((0x55772f068e50), ;)
   Call: (200) [system] (;)=(;)
   Exit: (200) [system] (;)=(;)
^  Call: (200) [user] read_single_line_comment((0x55772f068e50))
^  Call: (201) [user] read_position((0x55772f068e50), _1904314, _1904316, _1904318, _1904320)
   Call: (202) [system] stream_property((0x55772f068e50), position(_1904320))
   Call: (203) [system] nonvar((0x55772f068e50))
   Exit: (203) [system] nonvar((0x55772f068e50))
   Call: (203) [system] nonvar(position(_1904320))
   Exit: (203) [system] nonvar(position(_1904320))
   Exit: (202) [system] stream_property((0x55772f068e50), position('$stream_position'(1150, 36, 0, 1150)))
   Call: (202) [$syspreds] stream_position_data(line_count, '$stream_position'(1150, 36, 0, 1150), _1904314)
   Call: (203) [system] nonvar(line_count)
   Exit: (203) [system] nonvar(line_count)
   Call: (203) [$syspreds] stream_position_field(line_count, _1913608)
   Exit: (203) [$syspreds] stream_position_field(line_count, 2)
   Call: (203) [system] arg(2, '$stream_position'(1150, 36, 0, 1150), _1904314)
   Exit: (203) [system] arg(2, '$stream_position'(1150, 36, 0, 1150), 36)
   Exit: (202) [$syspreds] stream_position_data(line_count, '$stream_position'(1150, 36, 0, 1150), 36)
   Call: (202) [$syspreds] stream_position_data(line_position, '$stream_position'(1150, 36, 0, 1150), _1904316)
   Call: (203) [system] nonvar(line_position)
   Exit: (203) [system] nonvar(line_position)
   Call: (203) [$syspreds] stream_position_field(line_position, _1921042)
   Exit: (203) [$syspreds] stream_position_field(line_position, 3)
   Call: (203) [system] arg(3, '$stream_position'(1150, 36, 0, 1150), _1904316)
   Exit: (203) [system] arg(3, '$stream_position'(1150, 36, 0, 1150), 0)
   Exit: (202) [$syspreds] stream_position_data(line_position, '$stream_position'(1150, 36, 0, 1150), 0)
   Call: (202) [$syspreds] stream_position_data(char_count, '$stream_position'(1150, 36, 0, 1150), _1904318)
   Call: (203) [system] nonvar(char_count)
   Exit: (203) [system] nonvar(char_count)
   Call: (203) [$syspreds] stream_position_field(char_count, _1928476)
   Exit: (203) [$syspreds] stream_position_field(char_count, 1)
   Call: (203) [system] arg(1, '$stream_position'(1150, 36, 0, 1150), _1904318)
   Exit: (203) [system] arg(1, '$stream_position'(1150, 36, 0, 1150), 1150)
   Exit: (202) [$syspreds] stream_position_data(char_count, '$stream_position'(1150, 36, 0, 1150), 1150)
^  Exit: (201) [user] read_position((0x55772f068e50), 36, 0, 1150, '$stream_position'(1150, 36, 0, 1150))
   Call: (201) [read_util] read_util:read_line_to_string((0x55772f068e50), _1934070)
   Call: (202) [system] read_string((0x55772f068e50), '\n', '\r', _1935000, _1935002)
   Exit: (202) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";;\t\t to non-deterministically pick up")
   Call: (202) [system] 10\== -1
   Exit: (202) [system] 10\== -1
   Call: (202) [system] _1934070=";;\t\t to non-deterministically pick up"
   Exit: (202) [system] ";;\t\t to non-deterministically pick up"=";;\t\t to non-deterministically pick up"
   Exit: (201) [read_util] read_util:read_line_to_string((0x55772f068e50), ";;\t\t to non-deterministically pick up")
^  Call: (201) [user] assertz(metta_file_comment(36, 0, 1150, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), '$stream_position'(1150, 36, 0, 1150)))
^  Exit: (201) [user] assertz(metta_file_comment(36, 0, 1150, '$COMMENT'(";;\t\t to non-deterministically pick up", 36, 0), '$stream_position'(1150, 36, 0, 1150)))
^  Exit: (200) [user] read_single_line_comment((0x55772f068e50))
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1945266)
   Exit: (201) [system] peek_char((0x55772f068e50), ;)
   Call: (201) [system] (;)=(;)
   Exit: (201) [system] (;)=(;)
^  Call: (201) [user] read_single_line_comment((0x55772f068e50))
^  Call: (202) [user] read_position((0x55772f068e50), _1949904, _1949906, _1949908, _1949910)
   Call: (203) [system] stream_property((0x55772f068e50), position(_1949910))
   Call: (204) [system] nonvar((0x55772f068e50))
   Exit: (204) [system] nonvar((0x55772f068e50))
   Call: (204) [system] nonvar(position(_1949910))
   Exit: (204) [system] nonvar(position(_1949910))
   Exit: (203) [system] stream_property((0x55772f068e50), position('$stream_position'(1188, 37, 0, 1188)))
   Call: (203) [$syspreds] stream_position_data(line_count, '$stream_position'(1188, 37, 0, 1188), _1949904)
   Call: (204) [system] nonvar(line_count)
   Exit: (204) [system] nonvar(line_count)
   Call: (204) [$syspreds] stream_position_field(line_count, _1959198)
   Exit: (204) [$syspreds] stream_position_field(line_count, 2)
   Call: (204) [system] arg(2, '$stream_position'(1188, 37, 0, 1188), _1949904)
   Exit: (204) [system] arg(2, '$stream_position'(1188, 37, 0, 1188), 37)
   Exit: (203) [$syspreds] stream_position_data(line_count, '$stream_position'(1188, 37, 0, 1188), 37)
   Call: (203) [$syspreds] stream_position_data(line_position, '$stream_position'(1188, 37, 0, 1188), _1949906)
   Call: (204) [system] nonvar(line_position)
   Exit: (204) [system] nonvar(line_position)
   Call: (204) [$syspreds] stream_position_field(line_position, _1966632)
   Exit: (204) [$syspreds] stream_position_field(line_position, 3)
   Call: (204) [system] arg(3, '$stream_position'(1188, 37, 0, 1188), _1949906)
   Exit: (204) [system] arg(3, '$stream_position'(1188, 37, 0, 1188), 0)
   Exit: (203) [$syspreds] stream_position_data(line_position, '$stream_position'(1188, 37, 0, 1188), 0)
   Call: (203) [$syspreds] stream_position_data(char_count, '$stream_position'(1188, 37, 0, 1188), _1949908)
   Call: (204) [system] nonvar(char_count)
   Exit: (204) [system] nonvar(char_count)
   Call: (204) [$syspreds] stream_position_field(char_count, _1974066)
   Exit: (204) [$syspreds] stream_position_field(char_count, 1)
   Call: (204) [system] arg(1, '$stream_position'(1188, 37, 0, 1188), _1949908)
   Exit: (204) [system] arg(1, '$stream_position'(1188, 37, 0, 1188), 1188)
   Exit: (203) [$syspreds] stream_position_data(char_count, '$stream_position'(1188, 37, 0, 1188), 1188)
^  Exit: (202) [user] read_position((0x55772f068e50), 37, 0, 1188, '$stream_position'(1188, 37, 0, 1188))
   Call: (202) [read_util] read_util:read_line_to_string((0x55772f068e50), _1979660)
   Call: (203) [system] read_string((0x55772f068e50), '\n', '\r', _1980590, _1980592)
   Exit: (203) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (203) [system] 10\== -1
   Exit: (203) [system] 10\== -1
   Call: (203) [system] _1979660=";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."
   Exit: (203) [system] ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."=";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."
   Exit: (202) [read_util] read_util:read_line_to_string((0x55772f068e50), ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Call: (202) [user] assertz(metta_file_comment(37, 0, 1188, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), '$stream_position'(1188, 37, 0, 1188)))
^  Exit: (202) [user] assertz(metta_file_comment(37, 0, 1188, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), '$stream_position'(1188, 37, 0, 1188)))
^  Exit: (201) [user] read_single_line_comment((0x55772f068e50))
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1990864)
   Exit: (202) [system] peek_char((0x55772f068e50), ;)
   Call: (202) [system] (;)=(;)
   Exit: (202) [system] (;)=(;)
^  Call: (202) [user] read_single_line_comment((0x55772f068e50))
^  Call: (203) [user] read_position((0x55772f068e50), _1995502, _1995504, _1995506, _1995508)
   Call: (204) [system] stream_property((0x55772f068e50), position(_1995508))
   Call: (205) [system] nonvar((0x55772f068e50))
   Exit: (205) [system] nonvar((0x55772f068e50))
   Call: (205) [system] nonvar(position(_1995508))
   Exit: (205) [system] nonvar(position(_1995508))
   Exit: (204) [system] stream_property((0x55772f068e50), position('$stream_position'(1254, 38, 0, 1254)))
   Call: (204) [$syspreds] stream_position_data(line_count, '$stream_position'(1254, 38, 0, 1254), _1995502)
   Call: (205) [system] nonvar(line_count)
   Exit: (205) [system] nonvar(line_count)
   Call: (205) [$syspreds] stream_position_field(line_count, _2004796)
   Exit: (205) [$syspreds] stream_position_field(line_count, 2)
   Call: (205) [system] arg(2, '$stream_position'(1254, 38, 0, 1254), _1995502)
   Exit: (205) [system] arg(2, '$stream_position'(1254, 38, 0, 1254), 38)
   Exit: (204) [$syspreds] stream_position_data(line_count, '$stream_position'(1254, 38, 0, 1254), 38)
   Call: (204) [$syspreds] stream_position_data(line_position, '$stream_position'(1254, 38, 0, 1254), _1995504)
   Call: (205) [system] nonvar(line_position)
   Exit: (205) [system] nonvar(line_position)
   Call: (205) [$syspreds] stream_position_field(line_position, _2012230)
   Exit: (205) [$syspreds] stream_position_field(line_position, 3)
   Call: (205) [system] arg(3, '$stream_position'(1254, 38, 0, 1254), _1995504)
   Exit: (205) [system] arg(3, '$stream_position'(1254, 38, 0, 1254), 0)
   Exit: (204) [$syspreds] stream_position_data(line_position, '$stream_position'(1254, 38, 0, 1254), 0)
   Call: (204) [$syspreds] stream_position_data(char_count, '$stream_position'(1254, 38, 0, 1254), _1995506)
   Call: (205) [system] nonvar(char_count)
   Exit: (205) [system] nonvar(char_count)
   Call: (205) [$syspreds] stream_position_field(char_count, _2019664)
   Exit: (205) [$syspreds] stream_position_field(char_count, 1)
   Call: (205) [system] arg(1, '$stream_position'(1254, 38, 0, 1254), _1995506)
   Exit: (205) [system] arg(1, '$stream_position'(1254, 38, 0, 1254), 1254)
   Exit: (204) [$syspreds] stream_position_data(char_count, '$stream_position'(1254, 38, 0, 1254), 1254)
^  Exit: (203) [user] read_position((0x55772f068e50), 38, 0, 1254, '$stream_position'(1254, 38, 0, 1254))
   Call: (203) [read_util] read_util:read_line_to_string((0x55772f068e50), _2025258)
   Call: (204) [system] read_string((0x55772f068e50), '\n', '\r', _2026188, _2026190)
   Exit: (204) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";;")
   Call: (204) [system] 10\== -1
   Exit: (204) [system] 10\== -1
   Call: (204) [system] _2025258=";;"
   Exit: (204) [system] ";;"=";;"
   Exit: (203) [read_util] read_util:read_line_to_string((0x55772f068e50), ";;")
^  Call: (203) [user] assertz(metta_file_comment(38, 0, 1254, '$COMMENT'(";;", 38, 0), '$stream_position'(1254, 38, 0, 1254)))
^  Exit: (203) [user] assertz(metta_file_comment(38, 0, 1254, '$COMMENT'(";;", 38, 0), '$stream_position'(1254, 38, 0, 1254)))
^  Exit: (202) [user] read_single_line_comment((0x55772f068e50))
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _2036446)
   Exit: (203) [system] peek_char((0x55772f068e50), ;)
   Call: (203) [system] (;)=(;)
   Exit: (203) [system] (;)=(;)
^  Call: (203) [user] read_single_line_comment((0x55772f068e50))
^  Call: (204) [user] read_position((0x55772f068e50), _2041084, _2041086, _2041088, _2041090)
   Call: (205) [system] stream_property((0x55772f068e50), position(_2041090))
   Call: (206) [system] nonvar((0x55772f068e50))
   Exit: (206) [system] nonvar((0x55772f068e50))
   Call: (206) [system] nonvar(position(_2041090))
   Exit: (206) [system] nonvar(position(_2041090))
   Exit: (205) [system] stream_property((0x55772f068e50), position('$stream_position'(1257, 39, 0, 1257)))
   Call: (205) [$syspreds] stream_position_data(line_count, '$stream_position'(1257, 39, 0, 1257), _2041084)
   Call: (206) [system] nonvar(line_count)
   Exit: (206) [system] nonvar(line_count)
   Call: (206) [$syspreds] stream_position_field(line_count, _2050378)
   Exit: (206) [$syspreds] stream_position_field(line_count, 2)
   Call: (206) [system] arg(2, '$stream_position'(1257, 39, 0, 1257), _2041084)
   Exit: (206) [system] arg(2, '$stream_position'(1257, 39, 0, 1257), 39)
   Exit: (205) [$syspreds] stream_position_data(line_count, '$stream_position'(1257, 39, 0, 1257), 39)
   Call: (205) [$syspreds] stream_position_data(line_position, '$stream_position'(1257, 39, 0, 1257), _2041086)
   Call: (206) [system] nonvar(line_position)
   Exit: (206) [system] nonvar(line_position)
   Call: (206) [$syspreds] stream_position_field(line_position, _2057812)
   Exit: (206) [$syspreds] stream_position_field(line_position, 3)
   Call: (206) [system] arg(3, '$stream_position'(1257, 39, 0, 1257), _2041086)
   Exit: (206) [system] arg(3, '$stream_position'(1257, 39, 0, 1257), 0)
   Exit: (205) [$syspreds] stream_position_data(line_position, '$stream_position'(1257, 39, 0, 1257), 0)
   Call: (205) [$syspreds] stream_position_data(char_count, '$stream_position'(1257, 39, 0, 1257), _2041088)
   Call: (206) [system] nonvar(char_count)
   Exit: (206) [system] nonvar(char_count)
   Call: (206) [$syspreds] stream_position_field(char_count, _2065246)
   Exit: (206) [$syspreds] stream_position_field(char_count, 1)
   Call: (206) [system] arg(1, '$stream_position'(1257, 39, 0, 1257), _2041088)
   Exit: (206) [system] arg(1, '$stream_position'(1257, 39, 0, 1257), 1257)
   Exit: (205) [$syspreds] stream_position_data(char_count, '$stream_position'(1257, 39, 0, 1257), 1257)
^  Exit: (204) [user] read_position((0x55772f068e50), 39, 0, 1257, '$stream_position'(1257, 39, 0, 1257))
   Call: (204) [read_util] read_util:read_line_to_string((0x55772f068e50), _2070840)
   Call: (205) [system] read_string((0x55772f068e50), '\n', '\r', _2071770, _2071772)
   Exit: (205) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";; $rb: a nullary function to rule")
   Call: (205) [system] 10\== -1
   Exit: (205) [system] 10\== -1
   Call: (205) [system] _2070840=";; $rb: a nullary function to rule"
   Exit: (205) [system] ";; $rb: a nullary function to rule"=";; $rb: a nullary function to rule"
   Exit: (204) [read_util] read_util:read_line_to_string((0x55772f068e50), ";; $rb: a nullary function to rule")
^  Call: (204) [user] assertz(metta_file_comment(39, 0, 1257, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), '$stream_position'(1257, 39, 0, 1257)))
^  Exit: (204) [user] assertz(metta_file_comment(39, 0, 1257, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), '$stream_position'(1257, 39, 0, 1257)))
^  Exit: (203) [user] read_single_line_comment((0x55772f068e50))
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _2082036)
   Exit: (204) [system] peek_char((0x55772f068e50), ;)
   Call: (204) [system] (;)=(;)
   Exit: (204) [system] (;)=(;)
^  Call: (204) [user] read_single_line_comment((0x55772f068e50))
^  Call: (205) [user] read_position((0x55772f068e50), _2086674, _2086676, _2086678, _2086680)
   Call: (206) [system] stream_property((0x55772f068e50), position(_2086680))
   Call: (207) [system] nonvar((0x55772f068e50))
   Exit: (207) [system] nonvar((0x55772f068e50))
   Call: (207) [system] nonvar(position(_2086680))
   Exit: (207) [system] nonvar(position(_2086680))
   Exit: (206) [system] stream_property((0x55772f068e50), position('$stream_position'(1292, 40, 0, 1292)))
   Call: (206) [$syspreds] stream_position_data(line_count, '$stream_position'(1292, 40, 0, 1292), _2086674)
   Call: (207) [system] nonvar(line_count)
   Exit: (207) [system] nonvar(line_count)
   Call: (207) [$syspreds] stream_position_field(line_count, _2095968)
   Exit: (207) [$syspreds] stream_position_field(line_count, 2)
   Call: (207) [system] arg(2, '$stream_position'(1292, 40, 0, 1292), _3396)
   Exit: (207) [system] arg(2, '$stream_position'(1292, 40, 0, 1292), 40)
   Exit: (206) [$syspreds] stream_position_data(line_count, '$stream_position'(1292, 40, 0, 1292), 40)
   Call: (206) [$syspreds] stream_position_data(line_position, '$stream_position'(1292, 40, 0, 1292), _3398)
   Call: (207) [system] nonvar(line_position)
   Exit: (207) [system] nonvar(line_position)
   Call: (207) [$syspreds] stream_position_field(line_position, _9868)
   Exit: (207) [$syspreds] stream_position_field(line_position, 3)
   Call: (207) [system] arg(3, '$stream_position'(1292, 40, 0, 1292), _3398)
   Exit: (207) [system] arg(3, '$stream_position'(1292, 40, 0, 1292), 0)
   Exit: (206) [$syspreds] stream_position_data(line_position, '$stream_position'(1292, 40, 0, 1292), 0)
   Call: (206) [$syspreds] stream_position_data(char_count, '$stream_position'(1292, 40, 0, 1292), _3400)
   Call: (207) [system] nonvar(char_count)
   Exit: (207) [system] nonvar(char_count)
   Call: (207) [$syspreds] stream_position_field(char_count, _17302)
   Exit: (207) [$syspreds] stream_position_field(char_count, 1)
   Call: (207) [system] arg(1, '$stream_position'(1292, 40, 0, 1292), _3400)
   Exit: (207) [system] arg(1, '$stream_position'(1292, 40, 0, 1292), 1292)
   Exit: (206) [$syspreds] stream_position_data(char_count, '$stream_position'(1292, 40, 0, 1292), 1292)
^  Exit: (205) [user] read_position((0x55772f068e50), 40, 0, 1292, '$stream_position'(1292, 40, 0, 1292))
   Call: (205) [read_util] read_util:read_line_to_string((0x55772f068e50), _22896)
   Call: (206) [system] read_string((0x55772f068e50), '\n', '\r', _23826, _23828)
   Exit: (206) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";;\t\t to non-deterministically pick up a")
   Call: (206) [system] 10\== -1
   Exit: (206) [system] 10\== -1
   Call: (206) [system] _22896=";;\t\t to non-deterministically pick up a"
   Exit: (206) [system] ";;\t\t to non-deterministically pick up a"=";;\t\t to non-deterministically pick up a"
   Exit: (205) [read_util] read_util:read_line_to_string((0x55772f068e50), ";;\t\t to non-deterministically pick up a")
^  Call: (205) [user] assertz(metta_file_comment(40, 0, 1292, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), '$stream_position'(1292, 40, 0, 1292)))
^  Exit: (205) [user] assertz(metta_file_comment(40, 0, 1292, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), '$stream_position'(1292, 40, 0, 1292)))
^  Exit: (204) [user] read_single_line_comment((0x55772f068e50))
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _34094)
   Exit: (205) [system] peek_char((0x55772f068e50), ;)
   Call: (205) [system] (;)=(;)
   Exit: (205) [system] (;)=(;)
^  Call: (205) [user] read_single_line_comment((0x55772f068e50))
^  Call: (206) [user] read_position((0x55772f068e50), _38732, _38734, _38736, _38738)
   Call: (207) [system] stream_property((0x55772f068e50), position(_38738))
   Call: (208) [system] nonvar((0x55772f068e50))
   Exit: (208) [system] nonvar((0x55772f068e50))
   Call: (208) [system] nonvar(position(_38738))
   Exit: (208) [system] nonvar(position(_38738))
   Exit: (207) [system] stream_property((0x55772f068e50), position('$stream_position'(1332, 41, 0, 1332)))
   Call: (207) [$syspreds] stream_position_data(line_count, '$stream_position'(1332, 41, 0, 1332), _38732)
   Call: (208) [system] nonvar(line_count)
   Exit: (208) [system] nonvar(line_count)
   Call: (208) [$syspreds] stream_position_field(line_count, _48026)
   Exit: (208) [$syspreds] stream_position_field(line_count, 2)
   Call: (208) [system] arg(2, '$stream_position'(1332, 41, 0, 1332), _38732)
   Exit: (208) [system] arg(2, '$stream_position'(1332, 41, 0, 1332), 41)
   Exit: (207) [$syspreds] stream_position_data(line_count, '$stream_position'(1332, 41, 0, 1332), 41)
   Call: (207) [$syspreds] stream_position_data(line_position, '$stream_position'(1332, 41, 0, 1332), _38734)
   Call: (208) [system] nonvar(line_position)
   Exit: (208) [system] nonvar(line_position)
   Call: (208) [$syspreds] stream_position_field(line_position, _55460)
   Exit: (208) [$syspreds] stream_position_field(line_position, 3)
   Call: (208) [system] arg(3, '$stream_position'(1332, 41, 0, 1332), _38734)
   Exit: (208) [system] arg(3, '$stream_position'(1332, 41, 0, 1332), 0)
   Exit: (207) [$syspreds] stream_position_data(line_position, '$stream_position'(1332, 41, 0, 1332), 0)
   Call: (207) [$syspreds] stream_position_data(char_count, '$stream_position'(1332, 41, 0, 1332), _38736)
   Call: (208) [system] nonvar(char_count)
   Exit: (208) [system] nonvar(char_count)
   Call: (208) [$syspreds] stream_position_field(char_count, _62894)
   Exit: (208) [$syspreds] stream_position_field(char_count, 1)
   Call: (208) [system] arg(1, '$stream_position'(1332, 41, 0, 1332), _38736)
   Exit: (208) [system] arg(1, '$stream_position'(1332, 41, 0, 1332), 1332)
   Exit: (207) [$syspreds] stream_position_data(char_count, '$stream_position'(1332, 41, 0, 1332), 1332)
^  Exit: (206) [user] read_position((0x55772f068e50), 41, 0, 1332, '$stream_position'(1332, 41, 0, 1332))
   Call: (206) [read_util] read_util:read_line_to_string((0x55772f068e50), _68488)
   Call: (207) [system] read_string((0x55772f068e50), '\n', '\r', _69418, _69420)
   Exit: (207) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";;      rule.  A rule is a function mapping premises to conclusion")
   Call: (207) [system] 10\== -1
   Exit: (207) [system] 10\== -1
   Call: (207) [system] _68488=";;      rule.  A rule is a function mapping premises to conclusion"
   Exit: (207) [system] ";;      rule.  A rule is a function mapping premises to conclusion"=";;      rule.  A rule is a function mapping premises to conclusion"
   Exit: (206) [read_util] read_util:read_line_to_string((0x55772f068e50), ";;      rule.  A rule is a function mapping premises to conclusion")
^  Call: (206) [user] assertz(metta_file_comment(41, 0, 1332, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), '$stream_position'(1332, 41, 0, 1332)))
^  Exit: (206) [user] assertz(metta_file_comment(41, 0, 1332, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), '$stream_position'(1332, 41, 0, 1332)))
^  Exit: (205) [user] read_single_line_comment((0x55772f068e50))
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _79692)
   Exit: (206) [system] peek_char((0x55772f068e50), ;)
   Call: (206) [system] (;)=(;)
   Exit: (206) [system] (;)=(;)
^  Call: (206) [user] read_single_line_comment((0x55772f068e50))
^  Call: (207) [user] read_position((0x55772f068e50), _84330, _84332, _84334, _84336)
   Call: (208) [system] stream_property((0x55772f068e50), position(_84336))
   Call: (209) [system] nonvar((0x55772f068e50))
   Exit: (209) [system] nonvar((0x55772f068e50))
   Call: (209) [system] nonvar(position(_84336))
   Exit: (209) [system] nonvar(position(_84336))
   Exit: (208) [system] stream_property((0x55772f068e50), position('$stream_position'(1399, 42, 0, 1399)))
   Call: (208) [$syspreds] stream_position_data(line_count, '$stream_position'(1399, 42, 0, 1399), _84330)
   Call: (209) [system] nonvar(line_count)
   Exit: (209) [system] nonvar(line_count)
   Call: (209) [$syspreds] stream_position_field(line_count, _93624)
   Exit: (209) [$syspreds] stream_position_field(line_count, 2)
   Call: (209) [system] arg(2, '$stream_position'(1399, 42, 0, 1399), _84330)
   Exit: (209) [system] arg(2, '$stream_position'(1399, 42, 0, 1399), 42)
   Exit: (208) [$syspreds] stream_position_data(line_count, '$stream_position'(1399, 42, 0, 1399), 42)
   Call: (208) [$syspreds] stream_position_data(line_position, '$stream_position'(1399, 42, 0, 1399), _84332)
   Call: (209) [system] nonvar(line_position)
   Exit: (209) [system] nonvar(line_position)
   Call: (209) [$syspreds] stream_position_field(line_position, _101058)
   Exit: (209) [$syspreds] stream_position_field(line_position, 3)
   Call: (209) [system] arg(3, '$stream_position'(1399, 42, 0, 1399), _84332)
   Exit: (209) [system] arg(3, '$stream_position'(1399, 42, 0, 1399), 0)
   Exit: (208) [$syspreds] stream_position_data(line_position, '$stream_position'(1399, 42, 0, 1399), 0)
   Call: (208) [$syspreds] stream_position_data(char_count, '$stream_position'(1399, 42, 0, 1399), _84334)
   Call: (209) [system] nonvar(char_count)
   Exit: (209) [system] nonvar(char_count)
   Call: (209) [$syspreds] stream_position_field(char_count, _108492)
   Exit: (209) [$syspreds] stream_position_field(char_count, 1)
   Call: (209) [system] arg(1, '$stream_position'(1399, 42, 0, 1399), _84334)
   Exit: (209) [system] arg(1, '$stream_position'(1399, 42, 0, 1399), 1399)
   Exit: (208) [$syspreds] stream_position_data(char_count, '$stream_position'(1399, 42, 0, 1399), 1399)
^  Exit: (207) [user] read_position((0x55772f068e50), 42, 0, 1399, '$stream_position'(1399, 42, 0, 1399))
   Call: (207) [read_util] read_util:read_line_to_string((0x55772f068e50), _114086)
   Call: (208) [system] read_string((0x55772f068e50), '\n', '\r', _115016, _115018)
   Exit: (208) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";;\t\t")
   Call: (208) [system] 10\== -1
   Exit: (208) [system] 10\== -1
   Call: (208) [system] _114086=";;\t\t"
   Exit: (208) [system] ";;\t\t"=";;\t\t"
   Exit: (207) [read_util] read_util:read_line_to_string((0x55772f068e50), ";;\t\t")
^  Call: (207) [user] assertz(metta_file_comment(42, 0, 1399, '$COMMENT'(";;\t\t", 42, 0), '$stream_position'(1399, 42, 0, 1399)))
^  Exit: (207) [user] assertz(metta_file_comment(42, 0, 1399, '$COMMENT'(";;\t\t", 42, 0), '$stream_position'(1399, 42, 0, 1399)))
^  Exit: (206) [user] read_single_line_comment((0x55772f068e50))
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _125274)
   Exit: (207) [system] peek_char((0x55772f068e50), ;)
   Call: (207) [system] (;)=(;)
   Exit: (207) [system] (;)=(;)
^  Call: (207) [user] read_single_line_comment((0x55772f068e50))
^  Call: (208) [user] read_position((0x55772f068e50), _129912, _129914, _129916, _129918)
   Call: (209) [system] stream_property((0x55772f068e50), position(_129918))
   Call: (210) [system] nonvar((0x55772f068e50))
   Exit: (210) [system] nonvar((0x55772f068e50))
   Call: (210) [system] nonvar(position(_129918))
   Exit: (210) [system] nonvar(position(_129918))
   Exit: (209) [system] stream_property((0x55772f068e50), position('$stream_position'(1404, 43, 0, 1404)))
   Call: (209) [$syspreds] stream_position_data(line_count, '$stream_position'(1404, 43, 0, 1404), _129912)
   Call: (210) [system] nonvar(line_count)
   Exit: (210) [system] nonvar(line_count)
   Call: (210) [$syspreds] stream_position_field(line_count, _139206)
   Exit: (210) [$syspreds] stream_position_field(line_count, 2)
   Call: (210) [system] arg(2, '$stream_position'(1404, 43, 0, 1404), _129912)
   Exit: (210) [system] arg(2, '$stream_position'(1404, 43, 0, 1404), 43)
   Exit: (209) [$syspreds] stream_position_data(line_count, '$stream_position'(1404, 43, 0, 1404), 43)
   Call: (209) [$syspreds] stream_position_data(line_position, '$stream_position'(1404, 43, 0, 1404), _129914)
   Call: (210) [system] nonvar(line_position)
   Exit: (210) [system] nonvar(line_position)
   Call: (210) [$syspreds] stream_position_field(line_position, _146640)
   Exit: (210) [$syspreds] stream_position_field(line_position, 3)
   Call: (210) [system] arg(3, '$stream_position'(1404, 43, 0, 1404), _129914)
   Exit: (210) [system] arg(3, '$stream_position'(1404, 43, 0, 1404), 0)
   Exit: (209) [$syspreds] stream_position_data(line_position, '$stream_position'(1404, 43, 0, 1404), 0)
   Call: (209) [$syspreds] stream_position_data(char_count, '$stream_position'(1404, 43, 0, 1404), _129916)
   Call: (210) [system] nonvar(char_count)
   Exit: (210) [system] nonvar(char_count)
   Call: (210) [$syspreds] stream_position_field(char_count, _154074)
   Exit: (210) [$syspreds] stream_position_field(char_count, 1)
   Call: (210) [system] arg(1, '$stream_position'(1404, 43, 0, 1404), _129916)
   Exit: (210) [system] arg(1, '$stream_position'(1404, 43, 0, 1404), 1404)
   Exit: (209) [$syspreds] stream_position_data(char_count, '$stream_position'(1404, 43, 0, 1404), 1404)
^  Exit: (208) [user] read_position((0x55772f068e50), 43, 0, 1404, '$stream_position'(1404, 43, 0, 1404))
   Call: (208) [read_util] read_util:read_line_to_string((0x55772f068e50), _159668)
   Call: (209) [system] read_string((0x55772f068e50), '\n', '\r', _160598, _160600)
   Exit: (209) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";;      where premises and conclusion have the form (: TERM TYPE).")
   Call: (209) [system] 10\== -1
   Exit: (209) [system] 10\== -1
   Call: (209) [system] _159668=";;      where premises and conclusion have the form (: TERM TYPE)."
   Exit: (209) [system] ";;      where premises and conclusion have the form (: TERM TYPE)."=";;      where premises and conclusion have the form (: TERM TYPE)."
   Exit: (208) [read_util] read_util:read_line_to_string((0x55772f068e50), ";;      where premises and conclusion have the form (: TERM TYPE).")
^  Call: (208) [user] assertz(metta_file_comment(43, 0, 1404, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), '$stream_position'(1404, 43, 0, 1404)))
^  Exit: (208) [user] assertz(metta_file_comment(43, 0, 1404, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), '$stream_position'(1404, 43, 0, 1404)))
^  Exit: (207) [user] read_single_line_comment((0x55772f068e50))
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _170872)
   Exit: (208) [system] peek_char((0x55772f068e50), ;)
   Call: (208) [system] (;)=(;)
   Exit: (208) [system] (;)=(;)
^  Call: (208) [user] read_single_line_comment((0x55772f068e50))
^  Call: (209) [user] read_position((0x55772f068e50), _175510, _175512, _175514, _175516)
   Call: (210) [system] stream_property((0x55772f068e50), position(_175516))
   Call: (211) [system] nonvar((0x55772f068e50))
   Exit: (211) [system] nonvar((0x55772f068e50))
   Call: (211) [system] nonvar(position(_175516))
   Exit: (211) [system] nonvar(position(_175516))
   Exit: (210) [system] stream_property((0x55772f068e50), position('$stream_position'(1471, 44, 0, 1471)))
   Call: (210) [$syspreds] stream_position_data(line_count, '$stream_position'(1471, 44, 0, 1471), _175510)
   Call: (211) [system] nonvar(line_count)
   Exit: (211) [system] nonvar(line_count)
   Call: (211) [$syspreds] stream_position_field(line_count, _184804)
   Exit: (211) [$syspreds] stream_position_field(line_count, 2)
   Call: (211) [system] arg(2, '$stream_position'(1471, 44, 0, 1471), _175510)
   Exit: (211) [system] arg(2, '$stream_position'(1471, 44, 0, 1471), 44)
   Exit: (210) [$syspreds] stream_position_data(line_count, '$stream_position'(1471, 44, 0, 1471), 44)
   Call: (210) [$syspreds] stream_position_data(line_position, '$stream_position'(1471, 44, 0, 1471), _175512)
   Call: (211) [system] nonvar(line_position)
   Exit: (211) [system] nonvar(line_position)
   Call: (211) [$syspreds] stream_position_field(line_position, _192238)
   Exit: (211) [$syspreds] stream_position_field(line_position, 3)
   Call: (211) [system] arg(3, '$stream_position'(1471, 44, 0, 1471), _175512)
   Exit: (211) [system] arg(3, '$stream_position'(1471, 44, 0, 1471), 0)
   Exit: (210) [$syspreds] stream_position_data(line_position, '$stream_position'(1471, 44, 0, 1471), 0)
   Call: (210) [$syspreds] stream_position_data(char_count, '$stream_position'(1471, 44, 0, 1471), _175514)
   Call: (211) [system] nonvar(char_count)
   Exit: (211) [system] nonvar(char_count)
   Call: (211) [$syspreds] stream_position_field(char_count, _199672)
   Exit: (211) [$syspreds] stream_position_field(char_count, 1)
   Call: (211) [system] arg(1, '$stream_position'(1471, 44, 0, 1471), _175514)
   Exit: (211) [system] arg(1, '$stream_position'(1471, 44, 0, 1471), 1471)
   Exit: (210) [$syspreds] stream_position_data(char_count, '$stream_position'(1471, 44, 0, 1471), 1471)
^  Exit: (209) [user] read_position((0x55772f068e50), 44, 0, 1471, '$stream_position'(1471, 44, 0, 1471))
   Call: (209) [read_util] read_util:read_line_to_string((0x55772f068e50), _205266)
   Call: (210) [system] read_string((0x55772f068e50), '\n', '\r', _206196, _206198)
   Exit: (210) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";;")
   Call: (210) [system] 10\== -1
   Exit: (210) [system] 10\== -1
   Call: (210) [system] _205266=";;"
   Exit: (210) [system] ";;"=";;"
   Exit: (209) [read_util] read_util:read_line_to_string((0x55772f068e50), ";;")
^  Call: (209) [user] assertz(metta_file_comment(44, 0, 1471, '$COMMENT'(";;", 44, 0), '$stream_position'(1471, 44, 0, 1471)))
^  Exit: (209) [user] assertz(metta_file_comment(44, 0, 1471, '$COMMENT'(";;", 44, 0), '$stream_position'(1471, 44, 0, 1471)))
^  Exit: (208) [user] read_single_line_comment((0x55772f068e50))
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _216454)
   Exit: (209) [system] peek_char((0x55772f068e50), ;)
   Call: (209) [system] (;)=(;)
   Exit: (209) [system] (;)=(;)
^  Call: (209) [user] read_single_line_comment((0x55772f068e50))
^  Call: (210) [user] read_position((0x55772f068e50), _221092, _221094, _221096, _221098)
   Call: (211) [system] stream_property((0x55772f068e50), position(_221098))
   Call: (212) [system] nonvar((0x55772f068e50))
   Exit: (212) [system] nonvar((0x55772f068e50))
   Call: (212) [system] nonvar(position(_221098))
   Exit: (212) [system] nonvar(position(_221098))
   Exit: (211) [system] stream_property((0x55772f068e50), position('$stream_position'(1474, 45, 0, 1474)))
   Call: (211) [$syspreds] stream_position_data(line_count, '$stream_position'(1474, 45, 0, 1474), _221092)
   Call: (212) [system] nonvar(line_count)
   Exit: (212) [system] nonvar(line_count)
   Call: (212) [$syspreds] stream_position_field(line_count, _230386)
   Exit: (212) [$syspreds] stream_position_field(line_count, 2)
   Call: (212) [system] arg(2, '$stream_position'(1474, 45, 0, 1474), _221092)
   Exit: (212) [system] arg(2, '$stream_position'(1474, 45, 0, 1474), 45)
   Exit: (211) [$syspreds] stream_position_data(line_count, '$stream_position'(1474, 45, 0, 1474), 45)
   Call: (211) [$syspreds] stream_position_data(line_position, '$stream_position'(1474, 45, 0, 1474), _221094)
   Call: (212) [system] nonvar(line_position)
   Exit: (212) [system] nonvar(line_position)
   Call: (212) [$syspreds] stream_position_field(line_position, _237820)
   Exit: (212) [$syspreds] stream_position_field(line_position, 3)
   Call: (212) [system] arg(3, '$stream_position'(1474, 45, 0, 1474), _221094)
   Exit: (212) [system] arg(3, '$stream_position'(1474, 45, 0, 1474), 0)
   Exit: (211) [$syspreds] stream_position_data(line_position, '$stream_position'(1474, 45, 0, 1474), 0)
   Call: (211) [$syspreds] stream_position_data(char_count, '$stream_position'(1474, 45, 0, 1474), _221096)
   Call: (212) [system] nonvar(char_count)
   Exit: (212) [system] nonvar(char_count)
   Call: (212) [$syspreds] stream_position_field(char_count, _245254)
   Exit: (212) [$syspreds] stream_position_field(char_count, 1)
   Call: (212) [system] arg(1, '$stream_position'(1474, 45, 0, 1474), _221096)
   Exit: (212) [system] arg(1, '$stream_position'(1474, 45, 0, 1474), 1474)
   Exit: (211) [$syspreds] stream_position_data(char_count, '$stream_position'(1474, 45, 0, 1474), 1474)
^  Exit: (210) [user] read_position((0x55772f068e50), 45, 0, 1474, '$stream_position'(1474, 45, 0, 1474))
   Call: (210) [read_util] read_util:read_line_to_string((0x55772f068e50), _250848)
   Call: (211) [system] read_string((0x55772f068e50), '\n', '\r', _251778, _251780)
   Exit: (211) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";; $depth: a Nat representing the maximum depth of the generated")
   Call: (211) [system] 10\== -1
   Exit: (211) [system] 10\== -1
   Call: (211) [system] _250848=";; $depth: a Nat representing the maximum depth of the generated"
   Exit: (211) [system] ";; $depth: a Nat representing the maximum depth of the generated"=";; $depth: a Nat representing the maximum depth of the generated"
   Exit: (210) [read_util] read_util:read_line_to_string((0x55772f068e50), ";; $depth: a Nat representing the maximum depth of the generated")
^  Call: (210) [user] assertz(metta_file_comment(45, 0, 1474, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), '$stream_position'(1474, 45, 0, 1474)))
^  Exit: (210) [user] assertz(metta_file_comment(45, 0, 1474, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), '$stream_position'(1474, 45, 0, 1474)))
^  Exit: (209) [user] read_single_line_comment((0x55772f068e50))
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _262052)
   Exit: (210) [system] peek_char((0x55772f068e50), ;)
   Call: (210) [system] (;)=(;)
   Exit: (210) [system] (;)=(;)
^  Call: (210) [user] read_single_line_comment((0x55772f068e50))
^  Call: (211) [user] read_position((0x55772f068e50), _266690, _266692, _266694, _266696)
   Call: (212) [system] stream_property((0x55772f068e50), position(_266696))
   Call: (213) [system] nonvar((0x55772f068e50))
   Exit: (213) [system] nonvar((0x55772f068e50))
   Call: (213) [system] nonvar(position(_266696))
   Exit: (213) [system] nonvar(position(_266696))
   Exit: (212) [system] stream_property((0x55772f068e50), position('$stream_position'(1539, 46, 0, 1539)))
   Call: (212) [$syspreds] stream_position_data(line_count, '$stream_position'(1539, 46, 0, 1539), _266690)
   Call: (213) [system] nonvar(line_count)
   Exit: (213) [system] nonvar(line_count)
   Call: (213) [$syspreds] stream_position_field(line_count, _275984)
   Exit: (213) [$syspreds] stream_position_field(line_count, 2)
   Call: (213) [system] arg(2, '$stream_position'(1539, 46, 0, 1539), _266690)
   Exit: (213) [system] arg(2, '$stream_position'(1539, 46, 0, 1539), 46)
   Exit: (212) [$syspreds] stream_position_data(line_count, '$stream_position'(1539, 46, 0, 1539), 46)
   Call: (212) [$syspreds] stream_position_data(line_position, '$stream_position'(1539, 46, 0, 1539), _266692)
   Call: (213) [system] nonvar(line_position)
   Exit: (213) [system] nonvar(line_position)
   Call: (213) [$syspreds] stream_position_field(line_position, _283418)
   Exit: (213) [$syspreds] stream_position_field(line_position, 3)
   Call: (213) [system] arg(3, '$stream_position'(1539, 46, 0, 1539), _266692)
   Exit: (213) [system] arg(3, '$stream_position'(1539, 46, 0, 1539), 0)
   Exit: (212) [$syspreds] stream_position_data(line_position, '$stream_position'(1539, 46, 0, 1539), 0)
   Call: (212) [$syspreds] stream_position_data(char_count, '$stream_position'(1539, 46, 0, 1539), _266694)
   Call: (213) [system] nonvar(char_count)
   Exit: (213) [system] nonvar(char_count)
   Call: (213) [$syspreds] stream_position_field(char_count, _290852)
   Exit: (213) [$syspreds] stream_position_field(char_count, 1)
   Call: (213) [system] arg(1, '$stream_position'(1539, 46, 0, 1539), _266694)
   Exit: (213) [system] arg(1, '$stream_position'(1539, 46, 0, 1539), 1539)
   Exit: (212) [$syspreds] stream_position_data(char_count, '$stream_position'(1539, 46, 0, 1539), 1539)
^  Exit: (211) [user] read_position((0x55772f068e50), 46, 0, 1539, '$stream_position'(1539, 46, 0, 1539))
   Call: (211) [read_util] read_util:read_line_to_string((0x55772f068e50), _296446)
   Call: (212) [system] read_string((0x55772f068e50), '\n', '\r', _297376, _297378)
   Exit: (212) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";;         programs.")
   Call: (212) [system] 10\== -1
   Exit: (212) [system] 10\== -1
   Call: (212) [system] _296446=";;         programs."
   Exit: (212) [system] ";;         programs."=";;         programs."
   Exit: (211) [read_util] read_util:read_line_to_string((0x55772f068e50), ";;         programs.")
^  Call: (211) [user] assertz(metta_file_comment(46, 0, 1539, '$COMMENT'(";;         programs.", 46, 0), '$stream_position'(1539, 46, 0, 1539)))
^  Exit: (211) [user] assertz(metta_file_comment(46, 0, 1539, '$COMMENT'(";;         programs.", 46, 0), '$stream_position'(1539, 46, 0, 1539)))
^  Exit: (210) [user] read_single_line_comment((0x55772f068e50))
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _307638)
   Exit: (211) [system] peek_char((0x55772f068e50), ;)
   Call: (211) [system] (;)=(;)
   Exit: (211) [system] (;)=(;)
^  Call: (211) [user] read_single_line_comment((0x55772f068e50))
^  Call: (212) [user] read_position((0x55772f068e50), _312276, _312278, _312280, _312282)
   Call: (213) [system] stream_property((0x55772f068e50), position(_312282))
   Call: (214) [system] nonvar((0x55772f068e50))
   Exit: (214) [system] nonvar((0x55772f068e50))
   Call: (214) [system] nonvar(position(_312282))
   Exit: (214) [system] nonvar(position(_312282))
   Exit: (213) [system] stream_property((0x55772f068e50), position('$stream_position'(1560, 47, 0, 1560)))
   Call: (213) [$syspreds] stream_position_data(line_count, '$stream_position'(1560, 47, 0, 1560), _312276)
   Call: (214) [system] nonvar(line_count)
   Exit: (214) [system] nonvar(line_count)
   Call: (214) [$syspreds] stream_position_field(line_count, _321570)
   Exit: (214) [$syspreds] stream_position_field(line_count, 2)
   Call: (214) [system] arg(2, '$stream_position'(1560, 47, 0, 1560), _312276)
   Exit: (214) [system] arg(2, '$stream_position'(1560, 47, 0, 1560), 47)
   Exit: (213) [$syspreds] stream_position_data(line_count, '$stream_position'(1560, 47, 0, 1560), 47)
   Call: (213) [$syspreds] stream_position_data(line_position, '$stream_position'(1560, 47, 0, 1560), _312278)
   Call: (214) [system] nonvar(line_position)
   Exit: (214) [system] nonvar(line_position)
   Call: (214) [$syspreds] stream_position_field(line_position, _329004)
   Exit: (214) [$syspreds] stream_position_field(line_position, 3)
   Call: (214) [system] arg(3, '$stream_position'(1560, 47, 0, 1560), _312278)
   Exit: (214) [system] arg(3, '$stream_position'(1560, 47, 0, 1560), 0)
   Exit: (213) [$syspreds] stream_position_data(line_position, '$stream_position'(1560, 47, 0, 1560), 0)
   Call: (213) [$syspreds] stream_position_data(char_count, '$stream_position'(1560, 47, 0, 1560), _312280)
   Call: (214) [system] nonvar(char_count)
   Exit: (214) [system] nonvar(char_count)
   Call: (214) [$syspreds] stream_position_field(char_count, _336438)
   Exit: (214) [$syspreds] stream_position_field(char_count, 1)
   Call: (214) [system] arg(1, '$stream_position'(1560, 47, 0, 1560), _312280)
   Exit: (214) [system] arg(1, '$stream_position'(1560, 47, 0, 1560), 1560)
   Exit: (213) [$syspreds] stream_position_data(char_count, '$stream_position'(1560, 47, 0, 1560), 1560)
^  Exit: (212) [user] read_position((0x55772f068e50), 47, 0, 1560, '$stream_position'(1560, 47, 0, 1560))
   Call: (212) [read_util] read_util:read_line_to_string((0x55772f068e50), _342032)
   Call: (213) [system] read_string((0x55772f068e50), '\n', '\r', _342962, _342964)
   Exit: (213) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";;")
   Call: (213) [system] 10\== -1
   Exit: (213) [system] 10\== -1
   Call: (213) [system] _342032=";;"
   Exit: (213) [system] ";;"=";;"
   Exit: (212) [read_util] read_util:read_line_to_string((0x55772f068e50), ";;")
^  Call: (212) [user] assertz(metta_file_comment(47, 0, 1560, '$COMMENT'(";;", 47, 0), '$stream_position'(1560, 47, 0, 1560)))
^  Exit: (212) [user] assertz(metta_file_comment(47, 0, 1560, '$COMMENT'(";;", 47, 0), '$stream_position'(1560, 47, 0, 1560)))
^  Exit: (211) [user] read_single_line_comment((0x55772f068e50))
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _353220)
   Exit: (212) [system] peek_char((0x55772f068e50), ;)
   Call: (212) [system] (;)=(;)
   Exit: (212) [system] (;)=(;)
^  Call: (212) [user] read_single_line_comment((0x55772f068e50))
^  Call: (213) [user] read_position((0x55772f068e50), _357858, _357860, _357862, _357864)
   Call: (214) [system] stream_property((0x55772f068e50), position(_357864))
   Call: (215) [system] nonvar((0x55772f068e50))
   Exit: (215) [system] nonvar((0x55772f068e50))
   Call: (215) [system] nonvar(position(_357864))
   Exit: (215) [system] nonvar(position(_357864))
   Exit: (214) [system] stream_property((0x55772f068e50), position('$stream_position'(1563, 48, 0, 1563)))
   Call: (214) [$syspreds] stream_position_data(line_count, '$stream_position'(1563, 48, 0, 1563), _357858)
   Call: (215) [system] nonvar(line_count)
   Exit: (215) [system] nonvar(line_count)
   Call: (215) [$syspreds] stream_position_field(line_count, _367152)
   Exit: (215) [$syspreds] stream_position_field(line_count, 2)
   Call: (215) [system] arg(2, '$stream_position'(1563, 48, 0, 1563), _357858)
   Exit: (215) [system] arg(2, '$stream_position'(1563, 48, 0, 1563), 48)
   Exit: (214) [$syspreds] stream_position_data(line_count, '$stream_position'(1563, 48, 0, 1563), 48)
   Call: (214) [$syspreds] stream_position_data(line_position, '$stream_position'(1563, 48, 0, 1563), _357860)
   Call: (215) [system] nonvar(line_position)
   Exit: (215) [system] nonvar(line_position)
   Call: (215) [$syspreds] stream_position_field(line_position, _374586)
   Exit: (215) [$syspreds] stream_position_field(line_position, 3)
   Call: (215) [system] arg(3, '$stream_position'(1563, 48, 0, 1563), _357860)
   Exit: (215) [system] arg(3, '$stream_position'(1563, 48, 0, 1563), 0)
   Exit: (214) [$syspreds] stream_position_data(line_position, '$stream_position'(1563, 48, 0, 1563), 0)
   Call: (214) [$syspreds] stream_position_data(char_count, '$stream_position'(1563, 48, 0, 1563), _357862)
   Call: (215) [system] nonvar(char_count)
   Exit: (215) [system] nonvar(char_count)
   Call: (215) [$syspreds] stream_position_field(char_count, _382020)
   Exit: (215) [$syspreds] stream_position_field(char_count, 1)
   Call: (215) [system] arg(1, '$stream_position'(1563, 48, 0, 1563), _357862)
   Exit: (215) [system] arg(1, '$stream_position'(1563, 48, 0, 1563), 1563)
   Exit: (214) [$syspreds] stream_position_data(char_count, '$stream_position'(1563, 48, 0, 1563), 1563)
^  Exit: (213) [user] read_position((0x55772f068e50), 48, 0, 1563, '$stream_position'(1563, 48, 0, 1563))
   Call: (213) [read_util] read_util:read_line_to_string((0x55772f068e50), _387614)
   Call: (214) [system] read_string((0x55772f068e50), '\n', '\r', _388544, _388546)
   Exit: (214) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";; TODO: recurse over curried rules instead of duplicating code over")
   Call: (214) [system] 10\== -1
   Exit: (214) [system] 10\== -1
   Call: (214) [system] _387614=";; TODO: recurse over curried rules instead of duplicating code over"
   Exit: (214) [system] ";; TODO: recurse over curried rules instead of duplicating code over"=";; TODO: recurse over curried rules instead of duplicating code over"
   Exit: (213) [read_util] read_util:read_line_to_string((0x55772f068e50), ";; TODO: recurse over curried rules instead of duplicating code over")
^  Call: (213) [user] assertz(metta_file_comment(48, 0, 1563, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), '$stream_position'(1563, 48, 0, 1563)))
^  Exit: (213) [user] assertz(metta_file_comment(48, 0, 1563, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), '$stream_position'(1563, 48, 0, 1563)))
^  Exit: (212) [user] read_single_line_comment((0x55772f068e50))
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _398818)
   Exit: (213) [system] peek_char((0x55772f068e50), ;)
   Call: (213) [system] (;)=(;)
   Exit: (213) [system] (;)=(;)
^  Call: (213) [user] read_single_line_comment((0x55772f068e50))
^  Call: (214) [user] read_position((0x55772f068e50), _403456, _403458, _403460, _403462)
   Call: (215) [system] stream_property((0x55772f068e50), position(_403462))
   Call: (216) [system] nonvar((0x55772f068e50))
   Exit: (216) [system] nonvar((0x55772f068e50))
   Call: (216) [system] nonvar(position(_403462))
   Exit: (216) [system] nonvar(position(_403462))
   Exit: (215) [system] stream_property((0x55772f068e50), position('$stream_position'(1632, 49, 0, 1632)))
   Call: (215) [$syspreds] stream_position_data(line_count, '$stream_position'(1632, 49, 0, 1632), _403456)
   Call: (216) [system] nonvar(line_count)
   Exit: (216) [system] nonvar(line_count)
   Call: (216) [$syspreds] stream_position_field(line_count, _412750)
   Exit: (216) [$syspreds] stream_position_field(line_count, 2)
   Call: (216) [system] arg(2, '$stream_position'(1632, 49, 0, 1632), _403456)
   Exit: (216) [system] arg(2, '$stream_position'(1632, 49, 0, 1632), 49)
   Exit: (215) [$syspreds] stream_position_data(line_count, '$stream_position'(1632, 49, 0, 1632), 49)
   Call: (215) [$syspreds] stream_position_data(line_position, '$stream_position'(1632, 49, 0, 1632), _403458)
   Call: (216) [system] nonvar(line_position)
   Exit: (216) [system] nonvar(line_position)
   Call: (216) [$syspreds] stream_position_field(line_position, _420184)
   Exit: (216) [$syspreds] stream_position_field(line_position, 3)
   Call: (216) [system] arg(3, '$stream_position'(1632, 49, 0, 1632), _403458)
   Exit: (216) [system] arg(3, '$stream_position'(1632, 49, 0, 1632), 0)
   Exit: (215) [$syspreds] stream_position_data(line_position, '$stream_position'(1632, 49, 0, 1632), 0)
   Call: (215) [$syspreds] stream_position_data(char_count, '$stream_position'(1632, 49, 0, 1632), _403460)
   Call: (216) [system] nonvar(char_count)
   Exit: (216) [system] nonvar(char_count)
   Call: (216) [$syspreds] stream_position_field(char_count, _427618)
   Exit: (216) [$syspreds] stream_position_field(char_count, 1)
   Call: (216) [system] arg(1, '$stream_position'(1632, 49, 0, 1632), _403460)
   Exit: (216) [system] arg(1, '$stream_position'(1632, 49, 0, 1632), 1632)
   Exit: (215) [$syspreds] stream_position_data(char_count, '$stream_position'(1632, 49, 0, 1632), 1632)
^  Exit: (214) [user] read_position((0x55772f068e50), 49, 0, 1632, '$stream_position'(1632, 49, 0, 1632))
   Call: (214) [read_util] read_util:read_line_to_string((0x55772f068e50), _433212)
   Call: (215) [system] read_string((0x55772f068e50), '\n', '\r', _434142, _434144)
   Exit: (215) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";; tuples.")
   Call: (215) [system] 10\== -1
   Exit: (215) [system] 10\== -1
   Call: (215) [system] _433212=";; tuples."
   Exit: (215) [system] ";; tuples."=";; tuples."
   Exit: (214) [read_util] read_util:read_line_to_string((0x55772f068e50), ";; tuples.")
^  Call: (214) [user] assertz(metta_file_comment(49, 0, 1632, '$COMMENT'(";; tuples.", 49, 0), '$stream_position'(1632, 49, 0, 1632)))
^  Exit: (214) [user] assertz(metta_file_comment(49, 0, 1632, '$COMMENT'(";; tuples.", 49, 0), '$stream_position'(1632, 49, 0, 1632)))
^  Exit: (213) [user] read_single_line_comment((0x55772f068e50))
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _444402)
   Exit: (214) [system] peek_char((0x55772f068e50), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
^  Exit: (182) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] get_char((0x55772f068e50), _489056)
   Exit: (182) [system] get_char((0x55772f068e50), '(')
   Call: (182) [system] '('='('
   Exit: (182) [system] '('='('
^  Call: (182) [user] read_list(')', (0x55772f068e50), _3318)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _494626)
   Exit: (184) [system] peek_char((0x55772f068e50), :)
   Call: (184) [system] (:)=(;)
   Fail: (184) [system] (:)=(;)
   Call: (184) [system] (:)=(/)
   Fail: (184) [system] (:)=(/)
^  Call: (184) [user] is_like_space(:)
   Call: (185) [system] char_type(:, 'white')
   Fail: (185) [system] char_type(:, 'white')
   Call: (185) [system] char_type(:, end_of_line)
   Fail: (185) [system] char_type(:, end_of_line)
   Call: (185) [system] char_type(:, space)
   Fail: (185) [system] char_type(:, space)
   Call: (185) [system] char_type(:, cntrl)
   Fail: (185) [system] char_type(:, cntrl)
^  Fail: (184) [user] is_like_space(:)
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _510636)
   Exit: (183) [system] peek_char((0x55772f068e50), :)
   Call: (183) [system] (:)=')'
   Fail: (183) [system] (:)=')'
   Call: (183) [system] (:)=end_of_file
   Fail: (183) [system] (:)=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x55772f068e50), _516206)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _518064)
   Exit: (185) [system] peek_char((0x55772f068e50), :)
   Call: (185) [system] (:)=(;)
   Fail: (185) [system] (:)=(;)
   Call: (185) [system] (:)=(/)
   Fail: (185) [system] (:)=(/)
^  Call: (185) [user] is_like_space(:)
   Call: (186) [system] char_type(:, 'white')
   Fail: (186) [system] char_type(:, 'white')
   Call: (186) [system] char_type(:, end_of_line)
   Fail: (186) [system] char_type(:, end_of_line)
   Call: (186) [system] char_type(:, space)
   Fail: (186) [system] char_type(:, space)
   Call: (186) [system] char_type(:, cntrl)
   Fail: (186) [system] char_type(:, cntrl)
^  Fail: (185) [user] is_like_space(:)
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] get_char((0x55772f068e50), _534074)
   Exit: (184) [system] get_char((0x55772f068e50), :)
   Call: (184) [system] (:)='('
   Fail: (184) [system] (:)='('
   Call: (184) [system] (:)='['
   Fail: (184) [system] (:)='['
   Call: (184) [system] (:)='{'
   Fail: (184) [system] (:)='{'
   Call: (184) [system] (:)='"'
   Fail: (184) [system] (:)='"'
   Call: (184) [system] (:)=!
   Fail: (184) [system] (:)=!
   Call: (184) [system] (:)='\''
   Fail: (184) [system] (:)='\''
   Call: (184) [system] (:)='`'
   Fail: (184) [system] (:)='`'
   Call: (184) [system] (:)=end_of_file
   Fail: (184) [system] (:)=end_of_file
^  Call: (184) [user] read_symbolic(')', (0x55772f068e50), :, _516206)
^  Call: (185) [user] read_symbolic_cont(')', (0x55772f068e50), _551716)
   Call: (186) [system] peek_char((0x55772f068e50), _552650)
   Exit: (186) [system] peek_char((0x55772f068e50), ' ')
^  Call: (186) [user] is_delimiter(' ')
   Call: (187) [system] char_type(' ', space)
   Exit: (187) [system] char_type(' ', space)
^  Exit: (186) [user] is_delimiter(' ')
   Call: (186) [system] _551716=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (185) [user] classify_and_convert_charseq([:], _516206)
^  Call: (186) [user] classify_and_convert_charseq_([:], _561934)
^  Call: (188) [system] setup_call_cleanup('$notrace'(_562886, _562888), once(user:catch(read_from_chars([:], _561934), _562868, fail)), '$restore_trace'(_562886, _562888))
^  Call: (189) [system] sig_atomic(system:'$notrace'(_562886, _562888))
^  Exit: (188) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _562868, fail)), system:'$restore_trace'(3, -1))
   Call: (187) [system] atomic(:)
   Exit: (187) [system] atomic(:)
^  Exit: (186) [user] classify_and_convert_charseq_([:], :)
   Call: (186) [system] integer(:)
   Fail: (186) [system] integer(:)
   Call: (186) [system] _516206=(:)
   Exit: (186) [system] (:)=(:)
^  Exit: (185) [user] classify_and_convert_charseq([:], :)
^  Exit: (184) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (183) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (183) [user] read_list(')', (0x55772f068e50), _575014)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _576872)
   Exit: (185) [system] peek_char((0x55772f068e50), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x55772f068e50), _586466)
   Exit: (185) [system] get_char((0x55772f068e50), ' ')
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _589170)
   Exit: (186) [system] peek_char((0x55772f068e50), s)
   Call: (186) [system] s=(;)
   Fail: (186) [system] s=(;)
   Call: (186) [system] s=(/)
   Fail: (186) [system] s=(/)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Fail: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Fail: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Fail: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
   Fail: (187) [system] char_type(s, cntrl)
^  Fail: (186) [user] is_like_space(s)
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _606104)
   Exit: (184) [system] peek_char((0x55772f068e50), s)
   Call: (184) [system] s=')'
   Fail: (184) [system] s=')'
   Call: (184) [system] s=end_of_file
   Fail: (184) [system] s=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x55772f068e50), _611674)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _613532)
   Exit: (186) [system] peek_char((0x55772f068e50), s)
   Call: (186) [system] s=(;)
   Fail: (186) [system] s=(;)
   Call: (186) [system] s=(/)
   Fail: (186) [system] s=(/)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Fail: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Fail: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Fail: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
   Fail: (187) [system] char_type(s, cntrl)
^  Fail: (186) [user] is_like_space(s)
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] get_char((0x55772f068e50), _629542)
   Exit: (185) [system] get_char((0x55772f068e50), s)
   Call: (185) [system] s='('
   Fail: (185) [system] s='('
   Call: (185) [system] s='['
   Fail: (185) [system] s='['
   Call: (185) [system] s='{'
   Fail: (185) [system] s='{'
   Call: (185) [system] s='"'
   Fail: (185) [system] s='"'
   Call: (185) [system] s=!
   Fail: (185) [system] s=!
   Call: (185) [system] s='\''
   Fail: (185) [system] s='\''
   Call: (185) [system] s='`'
   Fail: (185) [system] s='`'
   Call: (185) [system] s=end_of_file
   Fail: (185) [system] s=end_of_file
^  Call: (185) [user] read_symbolic(')', (0x55772f068e50), s, _611674)
^  Call: (186) [user] read_symbolic_cont(')', (0x55772f068e50), _647184)
   Call: (187) [system] peek_char((0x55772f068e50), _648118)
   Exit: (187) [system] peek_char((0x55772f068e50), y)
^  Call: (187) [user] is_delimiter(y)
   Call: (188) [system] char_type(y, space)
   Fail: (188) [system] char_type(y, space)
   Call: (188) [system] arg(_652838, v('(', ')', end_of_file), y)
   Fail: (188) [system] arg(_653770, v('(', ')', end_of_file), y)
^  Fail: (187) [user] is_delimiter(y)
   Call: (187) [system] ')'==y
   Fail: (187) [system] ')'==y
   Call: (187) [system] get_char((0x55772f068e50), y)
   Exit: (187) [system] get_char((0x55772f068e50), y)
   Call: (187) [system] y=(\)
   Fail: (187) [system] y=(\)
^  Call: (187) [user] read_symbolic_cont(')', (0x55772f068e50), _661120)
   Call: (188) [system] peek_char((0x55772f068e50), _662054)
   Exit: (188) [system] peek_char((0x55772f068e50), n)
^  Call: (188) [user] is_delimiter(n)
   Call: (189) [system] char_type(n, space)
   Fail: (189) [system] char_type(n, space)
   Call: (189) [system] arg(_666774, v('(', ')', end_of_file), n)
   Fail: (189) [system] arg(_667706, v('(', ')', end_of_file), n)
^  Fail: (188) [user] is_delimiter(n)
   Call: (188) [system] ')'==n
   Fail: (188) [system] ')'==n
   Call: (188) [system] get_char((0x55772f068e50), n)
   Exit: (188) [system] get_char((0x55772f068e50), n)
   Call: (188) [system] n=(\)
   Fail: (188) [system] n=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _675056)
   Call: (189) [system] peek_char((0x55772f068e50), _675990)
   Exit: (189) [system] peek_char((0x55772f068e50), t)
^  Call: (189) [user] is_delimiter(t)
   Call: (190) [system] char_type(t, space)
   Fail: (190) [system] char_type(t, space)
   Call: (190) [system] arg(_680710, v('(', ')', end_of_file), t)
   Fail: (190) [system] arg(_681642, v('(', ')', end_of_file), t)
^  Fail: (189) [user] is_delimiter(t)
   Call: (189) [system] ')'==t
   Fail: (189) [system] ')'==t
   Call: (189) [system] get_char((0x55772f068e50), t)
   Exit: (189) [system] get_char((0x55772f068e50), t)
   Call: (189) [system] t=(\)
   Fail: (189) [system] t=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _688992)
   Call: (190) [system] peek_char((0x55772f068e50), _689926)
   Exit: (190) [system] peek_char((0x55772f068e50), h)
^  Call: (190) [user] is_delimiter(h)
   Call: (191) [system] char_type(h, space)
   Fail: (191) [system] char_type(h, space)
   Call: (191) [system] arg(_694646, v('(', ')', end_of_file), h)
   Fail: (191) [system] arg(_695578, v('(', ')', end_of_file), h)
^  Fail: (190) [user] is_delimiter(h)
   Call: (190) [system] ')'==h
   Fail: (190) [system] ')'==h
   Call: (190) [system] get_char((0x55772f068e50), h)
   Exit: (190) [system] get_char((0x55772f068e50), h)
   Call: (190) [system] h=(\)
   Fail: (190) [system] h=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _702928)
   Call: (191) [system] peek_char((0x55772f068e50), _703862)
   Exit: (191) [system] peek_char((0x55772f068e50), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Fail: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_708582, v('(', ')', end_of_file), e)
   Fail: (192) [system] arg(_709514, v('(', ')', end_of_file), e)
^  Fail: (191) [user] is_delimiter(e)
   Call: (191) [system] ')'==e
   Fail: (191) [system] ')'==e
   Call: (191) [system] get_char((0x55772f068e50), e)
   Exit: (191) [system] get_char((0x55772f068e50), e)
   Call: (191) [system] e=(\)
   Fail: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _716864)
   Call: (192) [system] peek_char((0x55772f068e50), _717798)
   Exit: (192) [system] peek_char((0x55772f068e50), s)
^  Call: (192) [user] is_delimiter(s)
   Call: (193) [system] char_type(s, space)
   Fail: (193) [system] char_type(s, space)
   Call: (193) [system] arg(_722518, v('(', ')', end_of_file), s)
   Fail: (193) [system] arg(_723450, v('(', ')', end_of_file), s)
^  Fail: (192) [user] is_delimiter(s)
   Call: (192) [system] ')'==s
   Fail: (192) [system] ')'==s
   Call: (192) [system] get_char((0x55772f068e50), s)
   Exit: (192) [system] get_char((0x55772f068e50), s)
   Call: (192) [system] s=(\)
   Fail: (192) [system] s=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _730800)
   Call: (193) [system] peek_char((0x55772f068e50), _731734)
   Exit: (193) [system] peek_char((0x55772f068e50), i)
^  Call: (193) [user] is_delimiter(i)
   Call: (194) [system] char_type(i, space)
   Fail: (194) [system] char_type(i, space)
   Call: (194) [system] arg(_736454, v('(', ')', end_of_file), i)
   Fail: (194) [system] arg(_737386, v('(', ')', end_of_file), i)
^  Fail: (193) [user] is_delimiter(i)
   Call: (193) [system] ')'==i
   Fail: (193) [system] ')'==i
   Call: (193) [system] get_char((0x55772f068e50), i)
   Exit: (193) [system] get_char((0x55772f068e50), i)
   Call: (193) [system] i=(\)
   Fail: (193) [system] i=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _744736)
   Call: (194) [system] peek_char((0x55772f068e50), _745670)
   Exit: (194) [system] peek_char((0x55772f068e50), z)
^  Call: (194) [user] is_delimiter(z)
   Call: (195) [system] char_type(z, space)
   Fail: (195) [system] char_type(z, space)
   Call: (195) [system] arg(_750390, v('(', ')', end_of_file), z)
   Fail: (195) [system] arg(_751322, v('(', ')', end_of_file), z)
^  Fail: (194) [user] is_delimiter(z)
   Call: (194) [system] ')'==z
   Fail: (194) [system] ')'==z
   Call: (194) [system] get_char((0x55772f068e50), z)
   Exit: (194) [system] get_char((0x55772f068e50), z)
   Call: (194) [system] z=(\)
   Fail: (194) [system] z=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _758672)
   Call: (195) [system] peek_char((0x55772f068e50), _759606)
   Exit: (195) [system] peek_char((0x55772f068e50), e)
^  Call: (195) [user] is_delimiter(e)
   Call: (196) [system] char_type(e, space)
   Fail: (196) [system] char_type(e, space)
   Call: (196) [system] arg(_764326, v('(', ')', end_of_file), e)
   Fail: (196) [system] arg(_765258, v('(', ')', end_of_file), e)
^  Fail: (195) [user] is_delimiter(e)
   Call: (195) [system] ')'==e
   Fail: (195) [system] ')'==e
   Call: (195) [system] get_char((0x55772f068e50), e)
   Exit: (195) [system] get_char((0x55772f068e50), e)
   Call: (195) [system] e=(\)
   Fail: (195) [system] e=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _772608)
   Call: (196) [system] peek_char((0x55772f068e50), _773542)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _772608=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (195) [system] _758672=[e]
   Exit: (195) [system] [e]=[e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (194) [system] _744736=[z, e]
   Exit: (194) [system] [z, e]=[z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [z, e])
   Call: (193) [system] _730800=[i, z, e]
   Exit: (193) [system] [i, z, e]=[i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [i, z, e])
   Call: (192) [system] _716864=[s, i, z, e]
   Exit: (192) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [s, i, z, e])
   Call: (191) [system] _702928=[e, s, i, z, e]
   Exit: (191) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [e, s, i, z, e])
   Call: (190) [system] _688992=[h, e, s, i, z, e]
   Exit: (190) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [h, e, s, i, z, e])
   Call: (189) [system] _675056=[t, h, e, s, i, z, e]
   Exit: (189) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [t, h, e, s, i, z, e])
   Call: (188) [system] _661120=[n, t, h, e, s, i, z, e]
   Exit: (188) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (187) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, h, e, s, i, z, e])
   Call: (187) [system] _647184=[y, n, t, h, e, s, i, z, e]
   Exit: (187) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (186) [user] read_symbolic_cont(')', (0x55772f068e50), [y, n, t, h, e, s, i, z, e])
^  Call: (186) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _611674)
^  Call: (187) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _807972)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_808924, _808926), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _807972), _808906, fail)), '$restore_trace'(_808924, _808926))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_808924, _808926))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _808906, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(synthesize)
   Exit: (188) [system] atomic(synthesize)
^  Exit: (187) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (187) [system] integer(synthesize)
   Fail: (187) [system] integer(synthesize)
   Call: (187) [system] _611674=synthesize
   Exit: (187) [system] synthesize=synthesize
^  Exit: (186) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (185) [user] read_symbolic(')', (0x55772f068e50), s, synthesize)
^  Exit: (184) [user] cont_sexpr(')', (0x55772f068e50), synthesize)
^  Call: (184) [user] read_list(')', (0x55772f068e50), _821052)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _822910)
   Exit: (186) [system] peek_char((0x55772f068e50), ' ')
   Call: (186) [system] ' '=(;)
   Fail: (186) [system] ' '=(;)
   Call: (186) [system] ' '=(/)
   Fail: (186) [system] ' '=(/)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x55772f068e50), _832504)
   Exit: (186) [system] get_char((0x55772f068e50), ' ')
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _835208)
   Exit: (187) [system] peek_char((0x55772f068e50), '(')
   Call: (187) [system] '('=(;)
   Fail: (187) [system] '('=(;)
   Call: (187) [system] '('=(/)
   Fail: (187) [system] '('=(/)
^  Call: (187) [user] is_like_space('(')
   Call: (188) [system] char_type('(', 'white')
   Fail: (188) [system] char_type('(', 'white')
   Call: (188) [system] char_type('(', end_of_line)
   Fail: (188) [system] char_type('(', end_of_line)
   Call: (188) [system] char_type('(', space)
   Fail: (188) [system] char_type('(', space)
   Call: (188) [system] char_type('(', cntrl)
   Fail: (188) [system] char_type('(', cntrl)
^  Fail: (187) [user] is_like_space('(')
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _852142)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=')'
   Fail: (185) [system] '('=')'
   Call: (185) [system] '('=end_of_file
   Fail: (185) [system] '('=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x55772f068e50), _857712)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _859570)
   Exit: (187) [system] peek_char((0x55772f068e50), '(')
   Call: (187) [system] '('=(;)
   Fail: (187) [system] '('=(;)
   Call: (187) [system] '('=(/)
   Fail: (187) [system] '('=(/)
^  Call: (187) [user] is_like_space('(')
   Call: (188) [system] char_type('(', 'white')
   Fail: (188) [system] char_type('(', 'white')
   Call: (188) [system] char_type('(', end_of_line)
   Fail: (188) [system] char_type('(', end_of_line)
   Call: (188) [system] char_type('(', space)
   Fail: (188) [system] char_type('(', space)
   Call: (188) [system] char_type('(', cntrl)
   Fail: (188) [system] char_type('(', cntrl)
^  Fail: (187) [user] is_like_space('(')
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] get_char((0x55772f068e50), _875580)
   Exit: (186) [system] get_char((0x55772f068e50), '(')
   Call: (186) [system] '('='('
   Exit: (186) [system] '('='('
^  Call: (186) [user] read_list(')', (0x55772f068e50), _857712)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _881150)
   Exit: (188) [system] peek_char((0x55772f068e50), -)
   Call: (188) [system] (-)=(;)
   Fail: (188) [system] (-)=(;)
   Call: (188) [system] (-)=(/)
   Fail: (188) [system] (-)=(/)
^  Call: (188) [user] is_like_space(-)
   Call: (189) [system] char_type(-, 'white')
   Fail: (189) [system] char_type(-, 'white')
   Call: (189) [system] char_type(-, end_of_line)
   Fail: (189) [system] char_type(-, end_of_line)
   Call: (189) [system] char_type(-, space)
   Fail: (189) [system] char_type(-, space)
   Call: (189) [system] char_type(-, cntrl)
   Fail: (189) [system] char_type(-, cntrl)
^  Fail: (188) [user] is_like_space(-)
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _897160)
   Exit: (187) [system] peek_char((0x55772f068e50), -)
   Call: (187) [system] (-)=')'
   Fail: (187) [system] (-)=')'
   Call: (187) [system] (-)=end_of_file
   Fail: (187) [system] (-)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x55772f068e50), _902730)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _904588)
   Exit: (189) [system] peek_char((0x55772f068e50), -)
   Call: (189) [system] (-)=(;)
   Fail: (189) [system] (-)=(;)
   Call: (189) [system] (-)=(/)
   Fail: (189) [system] (-)=(/)
^  Call: (189) [user] is_like_space(-)
   Call: (190) [system] char_type(-, 'white')
   Fail: (190) [system] char_type(-, 'white')
   Call: (190) [system] char_type(-, end_of_line)
   Fail: (190) [system] char_type(-, end_of_line)
   Call: (190) [system] char_type(-, space)
   Fail: (190) [system] char_type(-, space)
   Call: (190) [system] char_type(-, cntrl)
   Fail: (190) [system] char_type(-, cntrl)
^  Fail: (189) [user] is_like_space(-)
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] get_char((0x55772f068e50), _920598)
   Exit: (188) [system] get_char((0x55772f068e50), -)
   Call: (188) [system] (-)='('
   Fail: (188) [system] (-)='('
   Call: (188) [system] (-)='['
   Fail: (188) [system] (-)='['
   Call: (188) [system] (-)='{'
   Fail: (188) [system] (-)='{'
   Call: (188) [system] (-)='"'
   Fail: (188) [system] (-)='"'
   Call: (188) [system] (-)=!
   Fail: (188) [system] (-)=!
   Call: (188) [system] (-)='\''
   Fail: (188) [system] (-)='\''
   Call: (188) [system] (-)='`'
   Fail: (188) [system] (-)='`'
   Call: (188) [system] (-)=end_of_file
   Fail: (188) [system] (-)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x55772f068e50), -, _902730)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _938240)
   Call: (190) [system] peek_char((0x55772f068e50), _939174)
   Exit: (190) [system] peek_char((0x55772f068e50), >)
^  Call: (190) [user] is_delimiter(>)
   Call: (191) [system] char_type(>, space)
   Fail: (191) [system] char_type(>, space)
   Call: (191) [system] arg(_943894, v('(', ')', end_of_file), >)
   Fail: (191) [system] arg(_944826, v('(', ')', end_of_file), >)
^  Fail: (190) [user] is_delimiter(>)
   Call: (190) [system] ')'==(>)
   Fail: (190) [system] ')'==(>)
   Call: (190) [system] get_char((0x55772f068e50), >)
   Exit: (190) [system] get_char((0x55772f068e50), >)
   Call: (190) [system] (>)=(\)
   Fail: (190) [system] (>)=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _952176)
   Call: (191) [system] peek_char((0x55772f068e50), _953110)
   Exit: (191) [system] peek_char((0x55772f068e50), ' ')
^  Call: (191) [user] is_delimiter(' ')
   Call: (192) [system] char_type(' ', space)
   Exit: (192) [system] char_type(' ', space)
^  Exit: (191) [user] is_delimiter(' ')
   Call: (191) [system] _952176=[]
   Exit: (191) [system] []=[]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (190) [system] _938240=[>]
   Exit: (190) [system] [>]=[>]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [>])
^  Call: (189) [user] classify_and_convert_charseq([-, >], _902730)
^  Call: (190) [user] classify_and_convert_charseq_([-, >], _965188)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_966140, _966142), once(user:catch(read_from_chars([-, >], _965188), _966122, fail)), '$restore_trace'(_966140, _966142))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_966140, _966142))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _966122, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(->)
   Exit: (191) [system] atomic(->)
^  Exit: (190) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (190) [system] integer(->)
   Fail: (190) [system] integer(->)
   Call: (190) [system] _902730=(->)
   Exit: (190) [system] (->)=(->)
^  Exit: (189) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (188) [user] read_symbolic(')', (0x55772f068e50), -, ->)
^  Exit: (187) [user] cont_sexpr(')', (0x55772f068e50), ->)
^  Call: (187) [user] read_list(')', (0x55772f068e50), _978268)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _980126)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x55772f068e50), _989720)
   Exit: (189) [system] get_char((0x55772f068e50), ' ')
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _992424)
   Exit: (190) [system] peek_char((0x55772f068e50), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1009358)
   Exit: (188) [system] peek_char((0x55772f068e50), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x55772f068e50), _1014928)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1016786)
   Exit: (190) [system] peek_char((0x55772f068e50), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] get_char((0x55772f068e50), _1032796)
   Exit: (189) [system] get_char((0x55772f068e50), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x55772f068e50), $, _1014928)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _1050438)
   Call: (191) [system] peek_char((0x55772f068e50), _1051372)
   Exit: (191) [system] peek_char((0x55772f068e50), a)
^  Call: (191) [user] is_delimiter(a)
   Call: (192) [system] char_type(a, space)
   Fail: (192) [system] char_type(a, space)
   Call: (192) [system] arg(_1056092, v('(', ')', end_of_file), a)
   Fail: (192) [system] arg(_1057024, v('(', ')', end_of_file), a)
^  Fail: (191) [user] is_delimiter(a)
   Call: (191) [system] ')'==a
   Fail: (191) [system] ')'==a
   Call: (191) [system] get_char((0x55772f068e50), a)
   Exit: (191) [system] get_char((0x55772f068e50), a)
   Call: (191) [system] a=(\)
   Fail: (191) [system] a=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _1064374)
   Call: (192) [system] peek_char((0x55772f068e50), _1065308)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _1064374=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (191) [system] _1050438=[a]
   Exit: (191) [system] [a]=[a]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [a])
^  Call: (190) [user] classify_and_convert_charseq([$, a], _1014928)
^  Call: (191) [user] classify_and_convert_charseq_([$, a], _1077386)
   Call: (192) [system] atom_chars(_1078318, ['_', a])
   Exit: (192) [system] atom_chars('_a', ['_', a])
^  Exit: (191) [user] classify_and_convert_charseq_([$, a], _a)
   Call: (191) [system] integer(_a)
   Fail: (191) [system] integer(_a)
   Call: (191) [system] _1014928=_a
   Exit: (191) [system] _a=_a
^  Exit: (190) [user] classify_and_convert_charseq([$, a], _a)
^  Exit: (189) [user] read_symbolic(')', (0x55772f068e50), $, _a)
^  Exit: (188) [user] cont_sexpr(')', (0x55772f068e50), _a)
^  Call: (188) [user] read_list(')', (0x55772f068e50), _1087610)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1089468)
   Exit: (190) [system] peek_char((0x55772f068e50), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x55772f068e50), _1099062)
   Exit: (190) [system] get_char((0x55772f068e50), ' ')
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1101766)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1118700)
   Exit: (189) [system] peek_char((0x55772f068e50), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x55772f068e50), _1124270)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1126128)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] get_char((0x55772f068e50), _1142138)
   Exit: (190) [system] get_char((0x55772f068e50), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x55772f068e50), _1124270)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1147708)
   Exit: (192) [system] peek_char((0x55772f068e50), -)
   Call: (192) [system] (-)=(;)
   Fail: (192) [system] (-)=(;)
   Call: (192) [system] (-)=(/)
   Fail: (192) [system] (-)=(/)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Fail: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Fail: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Fail: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
   Fail: (193) [system] char_type(-, cntrl)
^  Fail: (192) [user] is_like_space(-)
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1163718)
   Exit: (191) [system] peek_char((0x55772f068e50), -)
   Call: (191) [system] (-)=')'
   Fail: (191) [system] (-)=')'
   Call: (191) [system] (-)=end_of_file
   Fail: (191) [system] (-)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x55772f068e50), _1169288)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1171146)
   Exit: (193) [system] peek_char((0x55772f068e50), -)
   Call: (193) [system] (-)=(;)
   Fail: (193) [system] (-)=(;)
   Call: (193) [system] (-)=(/)
   Fail: (193) [system] (-)=(/)
^  Call: (193) [user] is_like_space(-)
   Call: (194) [system] char_type(-, 'white')
   Fail: (194) [system] char_type(-, 'white')
   Call: (194) [system] char_type(-, end_of_line)
   Fail: (194) [system] char_type(-, end_of_line)
   Call: (194) [system] char_type(-, space)
   Fail: (194) [system] char_type(-, space)
   Call: (194) [system] char_type(-, cntrl)
   Fail: (194) [system] char_type(-, cntrl)
^  Fail: (193) [user] is_like_space(-)
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] get_char((0x55772f068e50), _1187156)
   Exit: (192) [system] get_char((0x55772f068e50), -)
   Call: (192) [system] (-)='('
   Fail: (192) [system] (-)='('
   Call: (192) [system] (-)='['
   Fail: (192) [system] (-)='['
   Call: (192) [system] (-)='{'
   Fail: (192) [system] (-)='{'
   Call: (192) [system] (-)='"'
   Fail: (192) [system] (-)='"'
   Call: (192) [system] (-)=!
   Fail: (192) [system] (-)=!
   Call: (192) [system] (-)='\''
   Fail: (192) [system] (-)='\''
   Call: (192) [system] (-)='`'
   Fail: (192) [system] (-)='`'
   Call: (192) [system] (-)=end_of_file
   Fail: (192) [system] (-)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x55772f068e50), -, _1169288)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _1204798)
   Call: (194) [system] peek_char((0x55772f068e50), _1205732)
   Exit: (194) [system] peek_char((0x55772f068e50), >)
^  Call: (194) [user] is_delimiter(>)
   Call: (195) [system] char_type(>, space)
   Fail: (195) [system] char_type(>, space)
   Call: (195) [system] arg(_1210452, v('(', ')', end_of_file), >)
   Fail: (195) [system] arg(_1211384, v('(', ')', end_of_file), >)
^  Fail: (194) [user] is_delimiter(>)
   Call: (194) [system] ')'==(>)
   Fail: (194) [system] ')'==(>)
   Call: (194) [system] get_char((0x55772f068e50), >)
   Exit: (194) [system] get_char((0x55772f068e50), >)
   Call: (194) [system] (>)=(\)
   Fail: (194) [system] (>)=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _1218734)
   Call: (195) [system] peek_char((0x55772f068e50), _1219668)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _1218734=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (194) [system] _1204798=[>]
   Exit: (194) [system] [>]=[>]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [>])
^  Call: (193) [user] classify_and_convert_charseq([-, >], _1169288)
^  Call: (194) [user] classify_and_convert_charseq_([-, >], _1231746)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1232698, _1232700), once(user:catch(read_from_chars([-, >], _1231746), _1232680, fail)), '$restore_trace'(_1232698, _1232700))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1232698, _1232700))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _1232680, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(->)
   Exit: (195) [system] atomic(->)
^  Exit: (194) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (194) [system] integer(->)
   Fail: (194) [system] integer(->)
   Call: (194) [system] _1169288=(->)
   Exit: (194) [system] (->)=(->)
^  Exit: (193) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (192) [user] read_symbolic(')', (0x55772f068e50), -, ->)
^  Exit: (191) [user] cont_sexpr(')', (0x55772f068e50), ->)
^  Call: (191) [user] read_list(')', (0x55772f068e50), _1244826)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1246684)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _1256278)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1258982)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1275916)
   Exit: (192) [system] peek_char((0x55772f068e50), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _1281486)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1283344)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _1299354)
   Exit: (193) [system] get_char((0x55772f068e50), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x55772f068e50), $, _1281486)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _1316996)
   Call: (195) [system] peek_char((0x55772f068e50), _1317930)
   Exit: (195) [system] peek_char((0x55772f068e50), k)
^  Call: (195) [user] is_delimiter(k)
   Call: (196) [system] char_type(k, space)
   Fail: (196) [system] char_type(k, space)
   Call: (196) [system] arg(_1322650, v('(', ')', end_of_file), k)
   Fail: (196) [system] arg(_1323582, v('(', ')', end_of_file), k)
^  Fail: (195) [user] is_delimiter(k)
   Call: (195) [system] ')'==k
   Fail: (195) [system] ')'==k
   Call: (195) [system] get_char((0x55772f068e50), k)
   Exit: (195) [system] get_char((0x55772f068e50), k)
   Call: (195) [system] k=(\)
   Fail: (195) [system] k=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _1330932)
   Call: (196) [system] peek_char((0x55772f068e50), _1331866)
   Exit: (196) [system] peek_char((0x55772f068e50), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_1336586, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_1337518, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x55772f068e50), t)
   Exit: (196) [system] get_char((0x55772f068e50), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1344868)
   Call: (197) [system] peek_char((0x55772f068e50), _1345802)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_1350522, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _1344868=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (196) [system] _1330932=[t]
   Exit: (196) [system] [t]=[t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [t])
   Call: (195) [system] _1316996=[k, t]
   Exit: (195) [system] [k, t]=[k, t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [k, t])
^  Call: (194) [user] classify_and_convert_charseq([$, k, t], _1281486)
^  Call: (195) [user] classify_and_convert_charseq_([$, k, t], _1362546)
   Call: (196) [system] atom_chars(_1363478, ['_', k, t])
   Exit: (196) [system] atom_chars('_kt', ['_', k, t])
^  Exit: (195) [user] classify_and_convert_charseq_([$, k, t], _kt)
   Call: (195) [system] integer(_kt)
   Fail: (195) [system] integer(_kt)
   Call: (195) [system] _1281486=_kt
   Exit: (195) [system] _kt=_kt
^  Exit: (194) [user] classify_and_convert_charseq([$, k, t], _kt)
^  Exit: (193) [user] read_symbolic(')', (0x55772f068e50), $, _kt)
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), _kt)
^  Call: (192) [user] read_list(')', (0x55772f068e50), _1372770)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1374628)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1390638)
   Exit: (193) [system] peek_char((0x55772f068e50), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x55772f068e50), _1394428)
   Exit: (193) [system] get_char((0x55772f068e50), ')')
   Call: (193) [system] _1372770=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [])
   Call: (192) [system] _1244826=[_kt]
   Exit: (192) [system] [_kt]=[_kt]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [_kt])
   Call: (191) [system] _1124270=[->, _kt]
   Exit: (191) [system] [->, _kt]=[->, _kt]
^  Exit: (190) [user] read_list(')', (0x55772f068e50), [->, _kt])
^  Exit: (189) [user] cont_sexpr(')', (0x55772f068e50), [->, _kt])
^  Call: (189) [user] read_list(')', (0x55772f068e50), _1405516)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1407374)
   Exit: (191) [system] peek_char((0x55772f068e50), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x55772f068e50), _1416968)
   Exit: (191) [system] get_char((0x55772f068e50), ' ')
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1419672)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1436606)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x55772f068e50), _1442176)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1444034)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] get_char((0x55772f068e50), _1460044)
   Exit: (191) [system] get_char((0x55772f068e50), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x55772f068e50), _1442176)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1465614)
   Exit: (193) [system] peek_char((0x55772f068e50), -)
   Call: (193) [system] (-)=(;)
   Fail: (193) [system] (-)=(;)
   Call: (193) [system] (-)=(/)
   Fail: (193) [system] (-)=(/)
^  Call: (193) [user] is_like_space(-)
   Call: (194) [system] char_type(-, 'white')
   Fail: (194) [system] char_type(-, 'white')
   Call: (194) [system] char_type(-, end_of_line)
   Fail: (194) [system] char_type(-, end_of_line)
   Call: (194) [system] char_type(-, space)
   Fail: (194) [system] char_type(-, space)
   Call: (194) [system] char_type(-, cntrl)
   Fail: (194) [system] char_type(-, cntrl)
^  Fail: (193) [user] is_like_space(-)
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1481624)
   Exit: (192) [system] peek_char((0x55772f068e50), -)
   Call: (192) [system] (-)=')'
   Fail: (192) [system] (-)=')'
   Call: (192) [system] (-)=end_of_file
   Fail: (192) [system] (-)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _1487194)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1489052)
   Exit: (194) [system] peek_char((0x55772f068e50), -)
   Call: (194) [system] (-)=(;)
   Fail: (194) [system] (-)=(;)
   Call: (194) [system] (-)=(/)
   Fail: (194) [system] (-)=(/)
^  Call: (194) [user] is_like_space(-)
   Call: (195) [system] char_type(-, 'white')
   Fail: (195) [system] char_type(-, 'white')
   Call: (195) [system] char_type(-, end_of_line)
   Fail: (195) [system] char_type(-, end_of_line)
   Call: (195) [system] char_type(-, space)
   Fail: (195) [system] char_type(-, space)
   Call: (195) [system] char_type(-, cntrl)
   Fail: (195) [system] char_type(-, cntrl)
^  Fail: (194) [user] is_like_space(-)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _1505062)
   Exit: (193) [system] get_char((0x55772f068e50), -)
   Call: (193) [system] (-)='('
   Fail: (193) [system] (-)='('
   Call: (193) [system] (-)='['
   Fail: (193) [system] (-)='['
   Call: (193) [system] (-)='{'
   Fail: (193) [system] (-)='{'
   Call: (193) [system] (-)='"'
   Fail: (193) [system] (-)='"'
   Call: (193) [system] (-)=!
   Fail: (193) [system] (-)=!
   Call: (193) [system] (-)='\''
   Fail: (193) [system] (-)='\''
   Call: (193) [system] (-)='`'
   Fail: (193) [system] (-)='`'
   Call: (193) [system] (-)=end_of_file
   Fail: (193) [system] (-)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x55772f068e50), -, _1487194)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _1522704)
   Call: (195) [system] peek_char((0x55772f068e50), _1523638)
   Exit: (195) [system] peek_char((0x55772f068e50), >)
^  Call: (195) [user] is_delimiter(>)
   Call: (196) [system] char_type(>, space)
   Fail: (196) [system] char_type(>, space)
   Call: (196) [system] arg(_1528358, v('(', ')', end_of_file), >)
   Fail: (196) [system] arg(_1529290, v('(', ')', end_of_file), >)
^  Fail: (195) [user] is_delimiter(>)
   Call: (195) [system] ')'==(>)
   Fail: (195) [system] ')'==(>)
   Call: (195) [system] get_char((0x55772f068e50), >)
   Exit: (195) [system] get_char((0x55772f068e50), >)
   Call: (195) [system] (>)=(\)
   Fail: (195) [system] (>)=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _1536640)
   Call: (196) [system] peek_char((0x55772f068e50), _1537574)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1536640=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (195) [system] _1522704=[>]
   Exit: (195) [system] [>]=[>]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [>])
^  Call: (194) [user] classify_and_convert_charseq([-, >], _1487194)
^  Call: (195) [user] classify_and_convert_charseq_([-, >], _1549652)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1550604, _1550606), once(user:catch(read_from_chars([-, >], _1549652), _1550586, fail)), '$restore_trace'(_1550604, _1550606))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1550604, _1550606))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _1550586, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(->)
   Exit: (196) [system] atomic(->)
^  Exit: (195) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (195) [system] integer(->)
   Fail: (195) [system] integer(->)
   Call: (195) [system] _1487194=(->)
   Exit: (195) [system] (->)=(->)
^  Exit: (194) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (193) [user] read_symbolic(')', (0x55772f068e50), -, ->)
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), ->)
^  Call: (192) [user] read_list(')', (0x55772f068e50), _1562732)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1564590)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _1574184)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1576888)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1593822)
   Exit: (193) [system] peek_char((0x55772f068e50), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _1599392)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1601250)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _1617260)
   Exit: (194) [system] get_char((0x55772f068e50), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x55772f068e50), $, _1599392)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _1634902)
   Call: (196) [system] peek_char((0x55772f068e50), _1635836)
   Exit: (196) [system] peek_char((0x55772f068e50), r)
^  Call: (196) [user] is_delimiter(r)
   Call: (197) [system] char_type(r, space)
   Fail: (197) [system] char_type(r, space)
   Call: (197) [system] arg(_1640556, v('(', ')', end_of_file), r)
   Fail: (197) [system] arg(_1641488, v('(', ')', end_of_file), r)
^  Fail: (196) [user] is_delimiter(r)
   Call: (196) [system] ')'==r
   Fail: (196) [system] ')'==r
   Call: (196) [system] get_char((0x55772f068e50), r)
   Exit: (196) [system] get_char((0x55772f068e50), r)
   Call: (196) [system] r=(\)
   Fail: (196) [system] r=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1648838)
   Call: (197) [system] peek_char((0x55772f068e50), _1649772)
   Exit: (197) [system] peek_char((0x55772f068e50), t)
^  Call: (197) [user] is_delimiter(t)
   Call: (198) [system] char_type(t, space)
   Fail: (198) [system] char_type(t, space)
   Call: (198) [system] arg(_1654492, v('(', ')', end_of_file), t)
   Fail: (198) [system] arg(_1655424, v('(', ')', end_of_file), t)
^  Fail: (197) [user] is_delimiter(t)
   Call: (197) [system] ')'==t
   Fail: (197) [system] ')'==t
   Call: (197) [system] get_char((0x55772f068e50), t)
   Exit: (197) [system] get_char((0x55772f068e50), t)
   Call: (197) [system] t=(\)
   Fail: (197) [system] t=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1662774)
   Call: (198) [system] peek_char((0x55772f068e50), _1663708)
   Exit: (198) [system] peek_char((0x55772f068e50), ')')
^  Call: (198) [user] is_delimiter(')')
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] arg(_1668428, v('(', ')', end_of_file), ')')
   Exit: (199) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (198) [user] is_delimiter(')')
   Call: (198) [system] _1662774=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (197) [system] _1648838=[t]
   Exit: (197) [system] [t]=[t]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [t])
   Call: (196) [system] _1634902=[r, t]
   Exit: (196) [system] [r, t]=[r, t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [r, t])
^  Call: (195) [user] classify_and_convert_charseq([$, r, t], _1599392)
^  Call: (196) [user] classify_and_convert_charseq_([$, r, t], _1680452)
   Call: (197) [system] atom_chars(_1681384, ['_', r, t])
   Exit: (197) [system] atom_chars('_rt', ['_', r, t])
^  Exit: (196) [user] classify_and_convert_charseq_([$, r, t], _rt)
   Call: (196) [system] integer(_rt)
   Fail: (196) [system] integer(_rt)
   Call: (196) [system] _1599392=_rt
   Exit: (196) [system] _rt=_rt
^  Exit: (195) [user] classify_and_convert_charseq([$, r, t], _rt)
^  Exit: (194) [user] read_symbolic(')', (0x55772f068e50), $, _rt)
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), _rt)
^  Call: (193) [user] read_list(')', (0x55772f068e50), _1690676)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1692534)
   Exit: (195) [system] peek_char((0x55772f068e50), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1708544)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x55772f068e50), _1712334)
   Exit: (194) [system] get_char((0x55772f068e50), ')')
   Call: (194) [system] _1690676=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [])
   Call: (193) [system] _1562732=[_rt]
   Exit: (193) [system] [_rt]=[_rt]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [_rt])
   Call: (192) [system] _1442176=[->, _rt]
   Exit: (192) [system] [->, _rt]=[->, _rt]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [->, _rt])
^  Exit: (190) [user] cont_sexpr(')', (0x55772f068e50), [->, _rt])
^  Call: (190) [user] read_list(')', (0x55772f068e50), _1723422)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1725280)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x55772f068e50), _1734874)
   Exit: (192) [system] get_char((0x55772f068e50), ' ')
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1737578)
   Exit: (193) [system] peek_char((0x55772f068e50), 'N')
   Call: (193) [system] 'N'=(;)
   Fail: (193) [system] 'N'=(;)
   Call: (193) [system] 'N'=(/)
   Fail: (193) [system] 'N'=(/)
^  Call: (193) [user] is_like_space('N')
   Call: (194) [system] char_type('N', 'white')
   Fail: (194) [system] char_type('N', 'white')
   Call: (194) [system] char_type('N', end_of_line)
   Fail: (194) [system] char_type('N', end_of_line)
   Call: (194) [system] char_type('N', space)
   Fail: (194) [system] char_type('N', space)
   Call: (194) [system] char_type('N', cntrl)
   Fail: (194) [system] char_type('N', cntrl)
^  Fail: (193) [user] is_like_space('N')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1754512)
   Exit: (191) [system] peek_char((0x55772f068e50), 'N')
   Call: (191) [system] 'N'=')'
   Fail: (191) [system] 'N'=')'
   Call: (191) [system] 'N'=end_of_file
   Fail: (191) [system] 'N'=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x55772f068e50), _1760082)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1761940)
   Exit: (193) [system] peek_char((0x55772f068e50), 'N')
   Call: (193) [system] 'N'=(;)
   Fail: (193) [system] 'N'=(;)
   Call: (193) [system] 'N'=(/)
   Fail: (193) [system] 'N'=(/)
^  Call: (193) [user] is_like_space('N')
   Call: (194) [system] char_type('N', 'white')
   Fail: (194) [system] char_type('N', 'white')
   Call: (194) [system] char_type('N', end_of_line)
   Fail: (194) [system] char_type('N', end_of_line)
   Call: (194) [system] char_type('N', space)
   Fail: (194) [system] char_type('N', space)
   Call: (194) [system] char_type('N', cntrl)
   Fail: (194) [system] char_type('N', cntrl)
^  Fail: (193) [user] is_like_space('N')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] get_char((0x55772f068e50), _1777950)
   Exit: (192) [system] get_char((0x55772f068e50), 'N')
   Call: (192) [system] 'N'='('
   Fail: (192) [system] 'N'='('
   Call: (192) [system] 'N'='['
   Fail: (192) [system] 'N'='['
   Call: (192) [system] 'N'='{'
   Fail: (192) [system] 'N'='{'
   Call: (192) [system] 'N'='"'
   Fail: (192) [system] 'N'='"'
   Call: (192) [system] 'N'=!
   Fail: (192) [system] 'N'=!
   Call: (192) [system] 'N'='\''
   Fail: (192) [system] 'N'='\''
   Call: (192) [system] 'N'='`'
   Fail: (192) [system] 'N'='`'
   Call: (192) [system] 'N'=end_of_file
   Fail: (192) [system] 'N'=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x55772f068e50), 'N', _1760082)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _1795592)
   Call: (194) [system] peek_char((0x55772f068e50), _1796526)
   Exit: (194) [system] peek_char((0x55772f068e50), a)
^  Call: (194) [user] is_delimiter(a)
   Call: (195) [system] char_type(a, space)
   Fail: (195) [system] char_type(a, space)
   Call: (195) [system] arg(_1801246, v('(', ')', end_of_file), a)
   Fail: (195) [system] arg(_1802178, v('(', ')', end_of_file), a)
^  Fail: (194) [user] is_delimiter(a)
   Call: (194) [system] ')'==a
   Fail: (194) [system] ')'==a
   Call: (194) [system] get_char((0x55772f068e50), a)
   Exit: (194) [system] get_char((0x55772f068e50), a)
   Call: (194) [system] a=(\)
   Fail: (194) [system] a=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _1809528)
   Call: (195) [system] peek_char((0x55772f068e50), _1810462)
   Exit: (195) [system] peek_char((0x55772f068e50), t)
^  Call: (195) [user] is_delimiter(t)
   Call: (196) [system] char_type(t, space)
   Fail: (196) [system] char_type(t, space)
   Call: (196) [system] arg(_1815182, v('(', ')', end_of_file), t)
   Fail: (196) [system] arg(_1816114, v('(', ')', end_of_file), t)
^  Fail: (195) [user] is_delimiter(t)
   Call: (195) [system] ')'==t
   Fail: (195) [system] ')'==t
   Call: (195) [system] get_char((0x55772f068e50), t)
   Exit: (195) [system] get_char((0x55772f068e50), t)
   Call: (195) [system] t=(\)
   Fail: (195) [system] t=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _1823464)
   Call: (196) [system] peek_char((0x55772f068e50), _1824398)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1823464=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (195) [system] _1809528=[t]
   Exit: (195) [system] [t]=[t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [t])
   Call: (194) [system] _1795592=[a, t]
   Exit: (194) [system] [a, t]=[a, t]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t])
^  Call: (193) [user] classify_and_convert_charseq(['N', a, t], _1760082)
^  Call: (194) [user] classify_and_convert_charseq_(['N', a, t], _1839270)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1840222, _1840224), once(user:catch(read_from_chars(['N', a, t], _1839270), _1840204, fail)), '$restore_trace'(_1840222, _1840224))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1840222, _1840224))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['N', a, t], _1839270), _1840204, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(_1839270)
   Fail: (195) [system] atomic(_1839270)
   Call: (195) [system] atom_chars(_1839270, ['N', a, t])
   Exit: (195) [system] atom_chars('Nat', ['N', a, t])
^  Exit: (194) [user] classify_and_convert_charseq_(['N', a, t], 'Nat')
   Call: (194) [system] integer('Nat')
   Fail: (194) [system] integer('Nat')
   Call: (194) [system] _1760082='Nat'
   Exit: (194) [system] 'Nat'='Nat'
^  Exit: (193) [user] classify_and_convert_charseq(['N', a, t], 'Nat')
^  Exit: (192) [user] read_symbolic(')', (0x55772f068e50), 'N', 'Nat')
^  Exit: (191) [user] cont_sexpr(')', (0x55772f068e50), 'Nat')
^  Call: (191) [user] read_list(')', (0x55772f068e50), _1854220)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1856078)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _1865672)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1868376)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1885310)
   Exit: (192) [system] peek_char((0x55772f068e50), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _1890880)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1892738)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _1908748)
   Exit: (193) [system] get_char((0x55772f068e50), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x55772f068e50), $, _1890880)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _1926390)
   Call: (195) [system] peek_char((0x55772f068e50), _1927324)
   Exit: (195) [system] peek_char((0x55772f068e50), a)
^  Call: (195) [user] is_delimiter(a)
   Call: (196) [system] char_type(a, space)
   Fail: (196) [system] char_type(a, space)
   Call: (196) [system] arg(_1932044, v('(', ')', end_of_file), a)
   Fail: (196) [system] arg(_1932976, v('(', ')', end_of_file), a)
^  Fail: (195) [user] is_delimiter(a)
   Call: (195) [system] ')'==a
   Fail: (195) [system] ')'==a
   Call: (195) [system] get_char((0x55772f068e50), a)
   Exit: (195) [system] get_char((0x55772f068e50), a)
   Call: (195) [system] a=(\)
   Fail: (195) [system] a=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _1940326)
   Call: (196) [system] peek_char((0x55772f068e50), _1941260)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_1945980, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _1940326=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (195) [system] _1926390=[a]
   Exit: (195) [system] [a]=[a]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [a])
^  Call: (194) [user] classify_and_convert_charseq([$, a], _1890880)
^  Call: (195) [user] classify_and_convert_charseq_([$, a], _1955210)
   Call: (196) [system] atom_chars(_1956142, ['_', a])
   Exit: (196) [system] atom_chars('_a', ['_', a])
^  Exit: (195) [user] classify_and_convert_charseq_([$, a], _a)
   Call: (195) [system] integer(_a)
   Fail: (195) [system] integer(_a)
   Call: (195) [system] _1890880=_a
   Exit: (195) [system] _a=_a
^  Exit: (194) [user] classify_and_convert_charseq([$, a], _a)
^  Exit: (193) [user] read_symbolic(')', (0x55772f068e50), $, _a)
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), _a)
^  Call: (192) [user] read_list(')', (0x55772f068e50), _1965434)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1967292)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1983302)
   Exit: (193) [system] peek_char((0x55772f068e50), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x55772f068e50), _1987092)
   Exit: (193) [system] get_char((0x55772f068e50), ')')
   Call: (193) [system] _1965434=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [])
   Call: (192) [system] _1854220=[_a]
   Exit: (192) [system] [_a]=[_a]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [_a])
   Call: (191) [system] _1723422=['Nat', _a]
   Exit: (191) [system] ['Nat', _a]=['Nat', _a]
^  Exit: (190) [user] read_list(')', (0x55772f068e50), ['Nat', _a])
   Call: (190) [system] _1405516=[[->, _rt], 'Nat', _a]
   Exit: (190) [system] [[->, _rt], 'Nat', _a]=[[->, _rt], 'Nat', _a]
^  Exit: (189) [user] read_list(')', (0x55772f068e50), [[->, _rt], 'Nat', _a])
   Call: (189) [system] _1087610=[[->, _kt], [->, _rt], 'Nat', _a]
   Exit: (189) [system] [[->, _kt], [->, _rt], 'Nat', _a]=[[->, _kt], [->, _rt], 'Nat', _a]
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [[->, _kt], [->, _rt], 'Nat', _a])
   Call: (188) [system] _978268=[_a, [->, _kt], [->, _rt], 'Nat', _a]
   Exit: (188) [system] [_a, [->, _kt], [->, _rt], 'Nat', _a]=[_a, [->, _kt], [->, _rt], 'Nat', _a]
^  Exit: (187) [user] read_list(')', (0x55772f068e50), [_a, [->, _kt], [->, _rt], 'Nat', _a])
   Call: (187) [system] _857712=[->, _a, [->, _kt], [->, _rt], 'Nat', _a]
   Exit: (187) [system] [->, _a, [->, _kt], [->, _rt], 'Nat', _a]=[->, _a, [->, _kt], [->, _rt], 'Nat', _a]
^  Exit: (186) [user] read_list(')', (0x55772f068e50), [->, _a, [->, _kt], [->, _rt], 'Nat', _a])
^  Exit: (185) [user] cont_sexpr(')', (0x55772f068e50), [->, _a, [->, _kt], [->, _rt], 'Nat', _a])
^  Call: (185) [user] read_list(')', (0x55772f068e50), _2009356)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _2011214)
   Exit: (187) [system] peek_char((0x55772f068e50), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _2027224)
   Exit: (186) [system] peek_char((0x55772f068e50), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x55772f068e50), _2031014)
   Exit: (186) [system] get_char((0x55772f068e50), ')')
   Call: (186) [system] _2009356=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [])
   Call: (185) [system] _821052=[[->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
   Exit: (185) [system] [[->, _a, [->, _kt], [->, _rt], 'Nat', _a]]=[[->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [[->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Call: (184) [system] _575014=[synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
   Exit: (184) [system] [synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]=[synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
^  Exit: (183) [user] read_list(')', (0x55772f068e50), [synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Call: (183) [system] _3318=[:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
   Exit: (183) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]=[:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
^  Exit: (182) [user] read_list(')', (0x55772f068e50), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (181) [user] cont_sexpr(')', (0x55772f068e50), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (180) [user] read_sexpr((0x55772f068e50), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Call: (180) [user] assertz(metta_file_comment(19, 0, 457, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], '$stream_position'(457, 19, 0, 457)))
^  Exit: (180) [user] assertz(metta_file_comment(19, 0, 457, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], '$stream_position'(457, 19, 0, 457)))
^  Exit: (178) [system] once(user:(read_position((0x55772f068e50), 19, 0, 457, '$stream_position'(457, 19, 0, 457)), read_sexpr((0x55772f068e50), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]), assertz(metta_file_comment(19, 0, 457, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], '$stream_position'(457, 19, 0, 457)))))
   Call: (178) [system] fail
^  Call: (178) [user] retract(metta_file_comment(_2049532, _2049534, _2049536, _2049538, _2049540))
^  Exit: (178) [user] retract(metta_file_comment(37, 0, 1188, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), '$stream_position'(1188, 37, 0, 1188)))
^  Call: (178) [user] trly(untyped_to_metta, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), _3084)
^  Call: (179) [user] once(call(untyped_to_metta, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), _2052380))
^  Call: (180) [user] call(untyped_to_metta, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), _2052380)
^  Call: (181) [user] untyped_to_metta('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), _2052380)
^  Call: (182) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), _2055196))
^  Call: (183) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), _2055196))
^  Call: (184) [user] trly(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), _2055196)
^  Call: (185) [user] once(call(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), _2057996))
^  Call: (186) [user] call(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), _2057996)
^  Call: (187) [user] mfix_vars1('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), _2057996)
   Call: (188) [system] var('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0))
   Call: (188) [system] atom('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0))
   Call: (188) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0)==true
   Call: (188) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0)==false
   Call: (188) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0)==[_2064516, _2064522]
   Call: (188) [system] is_list('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0))
   Call: (188) [system] string('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0))
   Call: (188) [system] compound('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0))
   Exit: (188) [system] compound('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0))
   Call: (188) [system] compound_name_arguments('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), _2069150, _2069152)
   Exit: (188) [system] compound_name_arguments('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), '$COMMENT', [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0])
   Call: (188) [system] '$COMMENT'\=='$VAR'
   Exit: (188) [system] '$COMMENT'\=='$VAR'
^  Call: (188) [user] apply:maplist(mfix_vars1, [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0], _2072892)
   Call: (189) [apply] apply:maplist_([";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0], _2072892, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", _2074772)
   Call: (191) [system] var(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (191) [system] atom(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (191) [system] ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."==true
   Call: (191) [system] ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."==false
   Call: (191) [system] ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."==[_2079414, _2079420]
   Call: (191) [system] is_list(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (191) [system] string(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Exit: (191) [system] string(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Call: (191) [user] string_to_syms
   Call: (192) [system] fail
   Call: (191) [system] compound(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Call: (191) [user] symbol(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (192) [system] atom(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Fail: (192) [system] atom(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Fail: (191) [user] symbol(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (191) [system] ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."=_2074772
   Exit: (191) [system] ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."=";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."
^  Exit: (190) [user] mfix_vars1(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (190) [apply] apply:maplist_([37, 0], _2074774, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(37, _2093294)
   Call: (192) [system] var(37)
   Call: (192) [system] atom(37)
   Call: (192) [system] 37==true
   Call: (192) [system] 37==false
   Call: (192) [system] 37==[_4328, _4334]
   Call: (192) [system] is_list(37)
   Call: (192) [system] string(37)
   Call: (192) [system] compound(37)
^  Call: (192) [user] symbol(37)
   Call: (193) [system] atom(37)
   Fail: (193) [system] atom(37)
^  Fail: (192) [user] symbol(37)
   Call: (192) [system] 37=_3422
   Exit: (192) [system] 37=37
^  Exit: (191) [user] mfix_vars1(37, 37)
   Call: (191) [apply] apply:maplist_([0], _3424, user:mfix_vars1)
^  Call: (192) [user] mfix_vars1(0, _15452)
   Call: (193) [system] var(0)
   Call: (193) [system] atom(0)
   Call: (193) [system] 0==true
   Call: (193) [system] 0==false
   Call: (193) [system] 0==[_20094, _20100]
   Call: (193) [system] is_list(0)
   Call: (193) [system] string(0)
   Call: (193) [system] compound(0)
^  Call: (193) [user] symbol(0)
   Call: (194) [system] atom(0)
   Fail: (194) [system] atom(0)
^  Fail: (193) [user] symbol(0)
   Call: (193) [system] 0=_15452
   Exit: (193) [system] 0=0
^  Exit: (192) [user] mfix_vars1(0, 0)
   Call: (192) [apply] apply:maplist_([], _15454, user:mfix_vars1)
   Exit: (192) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([37, 0], [37, 0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0], [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0], user:mfix_vars1)
^  Exit: (188) [apply] apply:maplist(user:mfix_vars1, [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0], [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0])
   Call: (188) [system] compound_name_arguments(_3370, '$COMMENT', [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0])
   Exit: (188) [system] compound_name_arguments('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), '$COMMENT', [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0])
^  Exit: (187) [user] mfix_vars1('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0))
^  Exit: (186) [system] call(user:mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0))
^  Exit: (185) [system] once(user:call(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0)))
   Call: (185) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0)\=@='$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0)
^  Exit: (184) [user] trly(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0))
^  Exit: (183) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0)))
^  Call: (182) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), _44270))
^  Call: (183) [user] once(user:trly(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), _44270))
^  Call: (184) [user] trly(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), _44270)
^  Call: (185) [user] once(call(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), _47070))
^  Call: (186) [user] call(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), _47070)
^  Call: (187) [user] cons_to_c('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), _47070)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_c('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0))
^  Exit: (186) [system] call(user:cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0))
^  Exit: (185) [system] once(user:call(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0)))
   Call: (185) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0)\=@='$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0)
^  Exit: (184) [user] trly(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0))
^  Exit: (183) [system] once(user:trly(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0)))
^  Call: (182) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), _3336))
^  Call: (183) [user] once(user:trly(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), _3336))
^  Call: (184) [user] trly(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), _3336)
^  Call: (185) [user] once(call(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), _61028))
^  Call: (186) [user] call(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), _61028)
^  Call: (187) [user] cons_to_l('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), _61028)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_l('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0))
^  Exit: (186) [system] call(user:cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0))
^  Exit: (185) [system] once(user:call(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0)))
   Call: (185) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0)\=@='$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0)
^  Exit: (184) [user] trly(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0))
^  Exit: (183) [system] once(user:trly(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0)))
^  Exit: (181) [user] untyped_to_metta('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0))
^  Exit: (180) [system] call(user:untyped_to_metta, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0))
^  Exit: (179) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0)))
   Call: (179) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0)\=@='$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0)
^  Exit: (178) [user] trly(untyped_to_metta, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0))
^  Exit: (177) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0))
   Call: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0))))
   Exit: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0))))
^  Exit: (176) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0))
^  Exit: (175) [user] parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0))
^  Exit: (171) [user] read_sform((0x55772f068e50), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0))
^  Exit: (170) [system] once(user:read_sform((0x55772f068e50), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x55772f068e50), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0)))
   Call: (169) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727481849.951376), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481849.951376), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0)), 17]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), me_synthesize_1727481849_9551582, 17)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727481849.951376), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481849.951376), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0)), 17]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727481850.6846492)
   Call: (173) [system] arg(1, t(1727481849.951376), _3148)
   Exit: (173) [system] arg(1, t(1727481849.951376), 1727481849.951376)
   Call: (173) [system] _3158 is 1727481850.6846492-1727481849.951376
   Exit: (173) [system] 0.7332732677459717 is 1727481850.6846492-1727481849.951376
   Call: (173) [system] 0.7332732677459717>4
   Fail: (173) [system] 0.7332732677459717>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727481849.951376), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481849.951376), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0)), 17]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 3)
   Call: (175) [system] atom(3+1)
   Call: (175) [system] set_flag(translated_forms, 4)
   Exit: (175) [system] set_flag(translated_forms, 4)
   Exit: (174) [$syspreds] update_flag(translated_forms, 3, 3+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 3, 3+1))
   Exit: (171) [$syspreds] flag(translated_forms, 3, 3+1)
^  Call: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), me_synthesize_1727481849_9551582, 17)
^  Call: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."])
^  Exit: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."])
^  Exit: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), me_synthesize_1727481849_9551582, 17)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727481849.951376), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481849.951376), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0)), 17]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 3, 3+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 37, 0), me_synthesize_1727481849_9551582, 17)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x55772f068e50))
   Fail: (169) [system] at_end_of_stream((0x55772f068e50))
^  Call: (169) [user] must_det_ll(line_count((0x55772f068e50), _3074))
^  Call: (170) [user] once(user:line_count((0x55772f068e50), _3074))
   Call: (171) [system] line_count((0x55772f068e50), _3074)
   Exit: (171) [system] line_count((0x55772f068e50), 50)
^  Exit: (170) [system] once(user:line_count((0x55772f068e50), 50))
^  Exit: (169) [user] must_det_ll(user:line_count((0x55772f068e50), 50))
^  Call: (169) [user] must_det_ll(read_sform((0x55772f068e50), _3084))
^  Call: (170) [user] once(user:read_sform((0x55772f068e50), _3084))
^  Call: (171) [user] read_sform((0x55772f068e50), _3084)
   Call: (172) [system] string((0x55772f068e50))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (173) [system] string((0x55772f068e50))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (174) [system] at_end_of_stream((0x55772f068e50))
   Call: (174) [system] peek_char((0x55772f068e50), _136740)
   Exit: (174) [system] peek_char((0x55772f068e50), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x55772f068e50), '\n')
   Exit: (174) [system] get_char((0x55772f068e50), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), _3084)
   Call: (175) [system] at_end_of_stream((0x55772f068e50))
   Call: (175) [system] peek_char((0x55772f068e50), _144162)
   Exit: (175) [system] peek_char((0x55772f068e50), ;)
   Call: (175) [system] char_type(;, space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (176) [system] string((0x55772f068e50))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (177) [system] at_end_of_stream((0x55772f068e50))
   Call: (177) [system] peek_char((0x55772f068e50), _152500)
   Exit: (177) [system] peek_char((0x55772f068e50), ;)
   Call: (177) [system] char_type(;, space)
   Call: (177) [system] _155286=(0x55772f068e50)
   Exit: (177) [system] (0x55772f068e50)=(0x55772f068e50)
^  Call: (177) [user] once((read_position((0x55772f068e50), _157154, _157156, _157158, _157160), read_sexpr((0x55772f068e50), _157172), assertz(metta_file_comment(_157154, _157156, _157158, _157172, _157160))))
^  Call: (179) [user] read_position((0x55772f068e50), _157154, _157156, _157158, _157160)
   Call: (180) [system] stream_property((0x55772f068e50), position(_157160))
   Call: (181) [system] nonvar((0x55772f068e50))
   Exit: (181) [system] nonvar((0x55772f068e50))
   Call: (181) [system] nonvar(position(_157160))
   Exit: (181) [system] nonvar(position(_157160))
   Exit: (180) [system] stream_property((0x55772f068e50), position('$stream_position'(1691, 51, 0, 1691)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(1691, 51, 0, 1691), _157154)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _167412)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(1691, 51, 0, 1691), _157154)
   Exit: (181) [system] arg(2, '$stream_position'(1691, 51, 0, 1691), 51)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(1691, 51, 0, 1691), 51)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(1691, 51, 0, 1691), _157156)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _174846)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(1691, 51, 0, 1691), _157156)
   Exit: (181) [system] arg(3, '$stream_position'(1691, 51, 0, 1691), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(1691, 51, 0, 1691), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(1691, 51, 0, 1691), _157158)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _182280)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(1691, 51, 0, 1691), _157158)
   Exit: (181) [system] arg(1, '$stream_position'(1691, 51, 0, 1691), 1691)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(1691, 51, 0, 1691), 1691)
^  Exit: (179) [user] read_position((0x55772f068e50), 51, 0, 1691, '$stream_position'(1691, 51, 0, 1691))
^  Call: (179) [user] read_sexpr((0x55772f068e50), _157172)
   Call: (180) [system] string((0x55772f068e50))
   Fail: (180) [system] string((0x55772f068e50))
^  Call: (180) [user] cont_sexpr(')', (0x55772f068e50), _157172)
^  Call: (181) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _192506)
   Exit: (182) [system] peek_char((0x55772f068e50), ;)
   Call: (182) [system] (;)=(;)
   Exit: (182) [system] (;)=(;)
^  Call: (182) [user] read_single_line_comment((0x55772f068e50))
^  Call: (183) [user] read_position((0x55772f068e50), _197144, _197146, _197148, _197150)
   Call: (184) [system] stream_property((0x55772f068e50), position(_197150))
   Call: (185) [system] nonvar((0x55772f068e50))
   Exit: (185) [system] nonvar((0x55772f068e50))
   Call: (185) [system] nonvar(position(_197150))
   Exit: (185) [system] nonvar(position(_197150))
   Exit: (184) [system] stream_property((0x55772f068e50), position('$stream_position'(1691, 51, 0, 1691)))
   Call: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(1691, 51, 0, 1691), _197144)
   Call: (185) [system] nonvar(line_count)
   Exit: (185) [system] nonvar(line_count)
   Call: (185) [$syspreds] stream_position_field(line_count, _206438)
   Exit: (185) [$syspreds] stream_position_field(line_count, 2)
   Call: (185) [system] arg(2, '$stream_position'(1691, 51, 0, 1691), _197144)
   Exit: (185) [system] arg(2, '$stream_position'(1691, 51, 0, 1691), 51)
   Exit: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(1691, 51, 0, 1691), 51)
   Call: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(1691, 51, 0, 1691), _197146)
   Call: (185) [system] nonvar(line_position)
   Exit: (185) [system] nonvar(line_position)
   Call: (185) [$syspreds] stream_position_field(line_position, _213872)
   Exit: (185) [$syspreds] stream_position_field(line_position, 3)
   Call: (185) [system] arg(3, '$stream_position'(1691, 51, 0, 1691), _197146)
   Exit: (185) [system] arg(3, '$stream_position'(1691, 51, 0, 1691), 0)
   Exit: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(1691, 51, 0, 1691), 0)
   Call: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(1691, 51, 0, 1691), _197148)
   Call: (185) [system] nonvar(char_count)
   Exit: (185) [system] nonvar(char_count)
   Call: (185) [$syspreds] stream_position_field(char_count, _221306)
   Exit: (185) [$syspreds] stream_position_field(char_count, 1)
   Call: (185) [system] arg(1, '$stream_position'(1691, 51, 0, 1691), _197148)
   Exit: (185) [system] arg(1, '$stream_position'(1691, 51, 0, 1691), 1691)
   Exit: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(1691, 51, 0, 1691), 1691)
^  Exit: (183) [user] read_position((0x55772f068e50), 51, 0, 1691, '$stream_position'(1691, 51, 0, 1691))
   Call: (183) [read_util] read_util:read_line_to_string((0x55772f068e50), _226900)
   Call: (184) [system] read_string((0x55772f068e50), '\n', '\r', _227830, _227832)
   Exit: (184) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";; Nullary rule (axiom)")
   Call: (184) [system] 10\== -1
   Exit: (184) [system] 10\== -1
   Call: (184) [system] _226900=";; Nullary rule (axiom)"
   Exit: (184) [system] ";; Nullary rule (axiom)"=";; Nullary rule (axiom)"
   Exit: (183) [read_util] read_util:read_line_to_string((0x55772f068e50), ";; Nullary rule (axiom)")
^  Call: (183) [user] assertz(metta_file_comment(51, 0, 1691, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), '$stream_position'(1691, 51, 0, 1691)))
^  Exit: (183) [user] assertz(metta_file_comment(51, 0, 1691, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), '$stream_position'(1691, 51, 0, 1691)))
^  Exit: (182) [user] read_single_line_comment((0x55772f068e50))
^  Call: (182) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _238094)
   Exit: (183) [system] peek_char((0x55772f068e50), '(')
   Call: (183) [system] '('=(;)
   Fail: (183) [system] '('=(;)
   Call: (183) [system] '('=(/)
   Fail: (183) [system] '('=(/)
^  Call: (183) [user] is_like_space('(')
   Call: (184) [system] char_type('(', 'white')
   Fail: (184) [system] char_type('(', 'white')
   Call: (184) [system] char_type('(', end_of_line)
   Fail: (184) [system] char_type('(', end_of_line)
   Call: (184) [system] char_type('(', space)
   Fail: (184) [system] char_type('(', space)
   Call: (184) [system] char_type('(', cntrl)
   Fail: (184) [system] char_type('(', cntrl)
^  Fail: (183) [user] is_like_space('(')
^  Exit: (182) [user] skip_spaces((0x55772f068e50))
^  Exit: (181) [user] skip_spaces((0x55772f068e50))
   Call: (181) [system] get_char((0x55772f068e50), _255028)
   Exit: (181) [system] get_char((0x55772f068e50), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x55772f068e50), _157172)
^  Call: (182) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _260598)
   Exit: (183) [system] peek_char((0x55772f068e50), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _276608)
   Exit: (182) [system] peek_char((0x55772f068e50), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x55772f068e50), _282178)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _284036)
   Exit: (184) [system] peek_char((0x55772f068e50), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] get_char((0x55772f068e50), _300046)
   Exit: (183) [system] get_char((0x55772f068e50), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x55772f068e50), =, _282178)
^  Call: (184) [user] read_symbolic_cont(')', (0x55772f068e50), _317688)
   Call: (185) [system] peek_char((0x55772f068e50), _318622)
   Exit: (185) [system] peek_char((0x55772f068e50), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _317688=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _282178)
^  Call: (185) [user] classify_and_convert_charseq_([=], _327906)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_328858, _328860), once(user:catch(read_from_chars([=], _327906), _328840, fail)), '$restore_trace'(_328858, _328860))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_328858, _328860))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _328840, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _282178=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x55772f068e50), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x55772f068e50), =)
^  Call: (182) [user] read_list(')', (0x55772f068e50), _340986)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _342844)
   Exit: (184) [system] peek_char((0x55772f068e50), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x55772f068e50), _352438)
   Exit: (184) [system] get_char((0x55772f068e50), ' ')
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _355142)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _372076)
   Exit: (183) [system] peek_char((0x55772f068e50), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x55772f068e50), _377646)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _379504)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] get_char((0x55772f068e50), _395514)
   Exit: (184) [system] get_char((0x55772f068e50), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x55772f068e50), _377646)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _401084)
   Exit: (186) [system] peek_char((0x55772f068e50), s)
   Call: (186) [system] s=(;)
   Fail: (186) [system] s=(;)
   Call: (186) [system] s=(/)
   Fail: (186) [system] s=(/)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Fail: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Fail: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Fail: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
   Fail: (187) [system] char_type(s, cntrl)
^  Fail: (186) [user] is_like_space(s)
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _417094)
   Exit: (185) [system] peek_char((0x55772f068e50), s)
   Call: (185) [system] s=')'
   Fail: (185) [system] s=')'
   Call: (185) [system] s=end_of_file
   Fail: (185) [system] s=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x55772f068e50), _422664)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _424522)
   Exit: (187) [system] peek_char((0x55772f068e50), s)
   Call: (187) [system] s=(;)
   Fail: (187) [system] s=(;)
   Call: (187) [system] s=(/)
   Fail: (187) [system] s=(/)
^  Call: (187) [user] is_like_space(s)
   Call: (188) [system] char_type(s, 'white')
   Fail: (188) [system] char_type(s, 'white')
   Call: (188) [system] char_type(s, end_of_line)
   Fail: (188) [system] char_type(s, end_of_line)
   Call: (188) [system] char_type(s, space)
   Fail: (188) [system] char_type(s, space)
   Call: (188) [system] char_type(s, cntrl)
   Fail: (188) [system] char_type(s, cntrl)
^  Fail: (187) [user] is_like_space(s)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] get_char((0x55772f068e50), _440532)
   Exit: (186) [system] get_char((0x55772f068e50), s)
   Call: (186) [system] s='('
   Fail: (186) [system] s='('
   Call: (186) [system] s='['
   Fail: (186) [system] s='['
   Call: (186) [system] s='{'
   Fail: (186) [system] s='{'
   Call: (186) [system] s='"'
   Fail: (186) [system] s='"'
   Call: (186) [system] s=!
   Fail: (186) [system] s=!
   Call: (186) [system] s='\''
   Fail: (186) [system] s='\''
   Call: (186) [system] s='`'
   Fail: (186) [system] s='`'
   Call: (186) [system] s=end_of_file
   Fail: (186) [system] s=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x55772f068e50), s, _422664)
^  Call: (187) [user] read_symbolic_cont(')', (0x55772f068e50), _458174)
   Call: (188) [system] peek_char((0x55772f068e50), _459108)
   Exit: (188) [system] peek_char((0x55772f068e50), y)
^  Call: (188) [user] is_delimiter(y)
   Call: (189) [system] char_type(y, space)
   Fail: (189) [system] char_type(y, space)
   Call: (189) [system] arg(_463828, v('(', ')', end_of_file), y)
   Fail: (189) [system] arg(_464760, v('(', ')', end_of_file), y)
^  Fail: (188) [user] is_delimiter(y)
   Call: (188) [system] ')'==y
   Fail: (188) [system] ')'==y
   Call: (188) [system] get_char((0x55772f068e50), y)
   Exit: (188) [system] get_char((0x55772f068e50), y)
   Call: (188) [system] y=(\)
   Fail: (188) [system] y=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _472110)
   Call: (189) [system] peek_char((0x55772f068e50), _473044)
   Exit: (189) [system] peek_char((0x55772f068e50), n)
^  Call: (189) [user] is_delimiter(n)
   Call: (190) [system] char_type(n, space)
   Fail: (190) [system] char_type(n, space)
   Call: (190) [system] arg(_477764, v('(', ')', end_of_file), n)
   Fail: (190) [system] arg(_478696, v('(', ')', end_of_file), n)
^  Fail: (189) [user] is_delimiter(n)
   Call: (189) [system] ')'==n
   Fail: (189) [system] ')'==n
   Call: (189) [system] get_char((0x55772f068e50), n)
   Exit: (189) [system] get_char((0x55772f068e50), n)
   Call: (189) [system] n=(\)
   Fail: (189) [system] n=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _486046)
   Call: (190) [system] peek_char((0x55772f068e50), _486980)
   Exit: (190) [system] peek_char((0x55772f068e50), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_491700, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_492632, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x55772f068e50), t)
   Exit: (190) [system] get_char((0x55772f068e50), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _499982)
   Call: (191) [system] peek_char((0x55772f068e50), _500916)
   Exit: (191) [system] peek_char((0x55772f068e50), h)
^  Call: (191) [user] is_delimiter(h)
   Call: (192) [system] char_type(h, space)
   Fail: (192) [system] char_type(h, space)
   Call: (192) [system] arg(_505636, v('(', ')', end_of_file), h)
   Fail: (192) [system] arg(_506568, v('(', ')', end_of_file), h)
^  Fail: (191) [user] is_delimiter(h)
   Call: (191) [system] ')'==h
   Fail: (191) [system] ')'==h
   Call: (191) [system] get_char((0x55772f068e50), h)
   Exit: (191) [system] get_char((0x55772f068e50), h)
   Call: (191) [system] h=(\)
   Fail: (191) [system] h=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _513918)
   Call: (192) [system] peek_char((0x55772f068e50), _514852)
   Exit: (192) [system] peek_char((0x55772f068e50), e)
^  Call: (192) [user] is_delimiter(e)
   Call: (193) [system] char_type(e, space)
   Fail: (193) [system] char_type(e, space)
   Call: (193) [system] arg(_519572, v('(', ')', end_of_file), e)
   Fail: (193) [system] arg(_520504, v('(', ')', end_of_file), e)
^  Fail: (192) [user] is_delimiter(e)
   Call: (192) [system] ')'==e
   Fail: (192) [system] ')'==e
   Call: (192) [system] get_char((0x55772f068e50), e)
   Exit: (192) [system] get_char((0x55772f068e50), e)
   Call: (192) [system] e=(\)
   Fail: (192) [system] e=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _527854)
   Call: (193) [system] peek_char((0x55772f068e50), _528788)
   Exit: (193) [system] peek_char((0x55772f068e50), s)
^  Call: (193) [user] is_delimiter(s)
   Call: (194) [system] char_type(s, space)
   Fail: (194) [system] char_type(s, space)
   Call: (194) [system] arg(_533508, v('(', ')', end_of_file), s)
   Fail: (194) [system] arg(_534440, v('(', ')', end_of_file), s)
^  Fail: (193) [user] is_delimiter(s)
   Call: (193) [system] ')'==s
   Fail: (193) [system] ')'==s
   Call: (193) [system] get_char((0x55772f068e50), s)
   Exit: (193) [system] get_char((0x55772f068e50), s)
   Call: (193) [system] s=(\)
   Fail: (193) [system] s=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _541790)
   Call: (194) [system] peek_char((0x55772f068e50), _542724)
   Exit: (194) [system] peek_char((0x55772f068e50), i)
^  Call: (194) [user] is_delimiter(i)
   Call: (195) [system] char_type(i, space)
   Fail: (195) [system] char_type(i, space)
   Call: (195) [system] arg(_547444, v('(', ')', end_of_file), i)
   Fail: (195) [system] arg(_548376, v('(', ')', end_of_file), i)
^  Fail: (194) [user] is_delimiter(i)
   Call: (194) [system] ')'==i
   Fail: (194) [system] ')'==i
   Call: (194) [system] get_char((0x55772f068e50), i)
   Exit: (194) [system] get_char((0x55772f068e50), i)
   Call: (194) [system] i=(\)
   Fail: (194) [system] i=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _555726)
   Call: (195) [system] peek_char((0x55772f068e50), _556660)
   Exit: (195) [system] peek_char((0x55772f068e50), z)
^  Call: (195) [user] is_delimiter(z)
   Call: (196) [system] char_type(z, space)
   Fail: (196) [system] char_type(z, space)
   Call: (196) [system] arg(_561380, v('(', ')', end_of_file), z)
   Fail: (196) [system] arg(_562312, v('(', ')', end_of_file), z)
^  Fail: (195) [user] is_delimiter(z)
   Call: (195) [system] ')'==z
   Fail: (195) [system] ')'==z
   Call: (195) [system] get_char((0x55772f068e50), z)
   Exit: (195) [system] get_char((0x55772f068e50), z)
   Call: (195) [system] z=(\)
   Fail: (195) [system] z=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _569662)
   Call: (196) [system] peek_char((0x55772f068e50), _570596)
   Exit: (196) [system] peek_char((0x55772f068e50), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Fail: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_575316, v('(', ')', end_of_file), e)
   Fail: (197) [system] arg(_576248, v('(', ')', end_of_file), e)
^  Fail: (196) [user] is_delimiter(e)
   Call: (196) [system] ')'==e
   Fail: (196) [system] ')'==e
   Call: (196) [system] get_char((0x55772f068e50), e)
   Exit: (196) [system] get_char((0x55772f068e50), e)
   Call: (196) [system] e=(\)
   Fail: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _583598)
   Call: (197) [system] peek_char((0x55772f068e50), _584532)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _583598=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (196) [system] _569662=[e]
   Exit: (196) [system] [e]=[e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (195) [system] _555726=[z, e]
   Exit: (195) [system] [z, e]=[z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [z, e])
   Call: (194) [system] _541790=[i, z, e]
   Exit: (194) [system] [i, z, e]=[i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [i, z, e])
   Call: (193) [system] _527854=[s, i, z, e]
   Exit: (193) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [s, i, z, e])
   Call: (192) [system] _513918=[e, s, i, z, e]
   Exit: (192) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [e, s, i, z, e])
   Call: (191) [system] _499982=[h, e, s, i, z, e]
   Exit: (191) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [h, e, s, i, z, e])
   Call: (190) [system] _486046=[t, h, e, s, i, z, e]
   Exit: (190) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [t, h, e, s, i, z, e])
   Call: (189) [system] _472110=[n, t, h, e, s, i, z, e]
   Exit: (189) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, h, e, s, i, z, e])
   Call: (188) [system] _458174=[y, n, t, h, e, s, i, z, e]
   Exit: (188) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (187) [user] read_symbolic_cont(')', (0x55772f068e50), [y, n, t, h, e, s, i, z, e])
^  Call: (187) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _422664)
^  Call: (188) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _618962)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_619914, _619916), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _618962), _619896, fail)), '$restore_trace'(_619914, _619916))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_619914, _619916))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _619896, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(synthesize)
   Exit: (189) [system] atomic(synthesize)
^  Exit: (188) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (188) [system] integer(synthesize)
   Fail: (188) [system] integer(synthesize)
   Call: (188) [system] _422664=synthesize
   Exit: (188) [system] synthesize=synthesize
^  Exit: (187) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (186) [user] read_symbolic(')', (0x55772f068e50), s, synthesize)
^  Exit: (185) [user] cont_sexpr(')', (0x55772f068e50), synthesize)
^  Call: (185) [user] read_list(')', (0x55772f068e50), _632042)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _633900)
   Exit: (187) [system] peek_char((0x55772f068e50), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x55772f068e50), _643494)
   Exit: (187) [system] get_char((0x55772f068e50), ' ')
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _646198)
   Exit: (188) [system] peek_char((0x55772f068e50), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
   Call: (188) [system] ($)=(/)
   Fail: (188) [system] ($)=(/)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _663132)
   Exit: (186) [system] peek_char((0x55772f068e50), $)
   Call: (186) [system] ($)=')'
   Fail: (186) [system] ($)=')'
   Call: (186) [system] ($)=end_of_file
   Fail: (186) [system] ($)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x55772f068e50), _668702)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _670560)
   Exit: (188) [system] peek_char((0x55772f068e50), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
   Call: (188) [system] ($)=(/)
   Fail: (188) [system] ($)=(/)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] get_char((0x55772f068e50), _686570)
   Exit: (187) [system] get_char((0x55772f068e50), $)
   Call: (187) [system] ($)='('
   Fail: (187) [system] ($)='('
   Call: (187) [system] ($)='['
   Fail: (187) [system] ($)='['
   Call: (187) [system] ($)='{'
   Fail: (187) [system] ($)='{'
   Call: (187) [system] ($)='"'
   Fail: (187) [system] ($)='"'
   Call: (187) [system] ($)=!
   Fail: (187) [system] ($)=!
   Call: (187) [system] ($)='\''
   Fail: (187) [system] ($)='\''
   Call: (187) [system] ($)='`'
   Fail: (187) [system] ($)='`'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x55772f068e50), $, _668702)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _704212)
   Call: (189) [system] peek_char((0x55772f068e50), _705146)
   Exit: (189) [system] peek_char((0x55772f068e50), q)
^  Call: (189) [user] is_delimiter(q)
   Call: (190) [system] char_type(q, space)
   Fail: (190) [system] char_type(q, space)
   Call: (190) [system] arg(_709866, v('(', ')', end_of_file), q)
   Fail: (190) [system] arg(_710798, v('(', ')', end_of_file), q)
^  Fail: (189) [user] is_delimiter(q)
   Call: (189) [system] ')'==q
   Fail: (189) [system] ')'==q
   Call: (189) [system] get_char((0x55772f068e50), q)
   Exit: (189) [system] get_char((0x55772f068e50), q)
   Call: (189) [system] q=(\)
   Fail: (189) [system] q=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _718148)
   Call: (190) [system] peek_char((0x55772f068e50), _719082)
   Exit: (190) [system] peek_char((0x55772f068e50), u)
^  Call: (190) [user] is_delimiter(u)
   Call: (191) [system] char_type(u, space)
   Fail: (191) [system] char_type(u, space)
   Call: (191) [system] arg(_723802, v('(', ')', end_of_file), u)
   Fail: (191) [system] arg(_724734, v('(', ')', end_of_file), u)
^  Fail: (190) [user] is_delimiter(u)
   Call: (190) [system] ')'==u
   Fail: (190) [system] ')'==u
   Call: (190) [system] get_char((0x55772f068e50), u)
   Exit: (190) [system] get_char((0x55772f068e50), u)
   Call: (190) [system] u=(\)
   Fail: (190) [system] u=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _732084)
   Call: (191) [system] peek_char((0x55772f068e50), _733018)
   Exit: (191) [system] peek_char((0x55772f068e50), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Fail: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_737738, v('(', ')', end_of_file), e)
   Fail: (192) [system] arg(_738670, v('(', ')', end_of_file), e)
^  Fail: (191) [user] is_delimiter(e)
   Call: (191) [system] ')'==e
   Fail: (191) [system] ')'==e
   Call: (191) [system] get_char((0x55772f068e50), e)
   Exit: (191) [system] get_char((0x55772f068e50), e)
   Call: (191) [system] e=(\)
   Fail: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _746020)
   Call: (192) [system] peek_char((0x55772f068e50), _746954)
   Exit: (192) [system] peek_char((0x55772f068e50), r)
^  Call: (192) [user] is_delimiter(r)
   Call: (193) [system] char_type(r, space)
   Fail: (193) [system] char_type(r, space)
   Call: (193) [system] arg(_751674, v('(', ')', end_of_file), r)
   Fail: (193) [system] arg(_752606, v('(', ')', end_of_file), r)
^  Fail: (192) [user] is_delimiter(r)
   Call: (192) [system] ')'==r
   Fail: (192) [system] ')'==r
   Call: (192) [system] get_char((0x55772f068e50), r)
   Exit: (192) [system] get_char((0x55772f068e50), r)
   Call: (192) [system] r=(\)
   Fail: (192) [system] r=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _759956)
   Call: (193) [system] peek_char((0x55772f068e50), _760890)
   Exit: (193) [system] peek_char((0x55772f068e50), y)
^  Call: (193) [user] is_delimiter(y)
   Call: (194) [system] char_type(y, space)
   Fail: (194) [system] char_type(y, space)
   Call: (194) [system] arg(_765610, v('(', ')', end_of_file), y)
   Fail: (194) [system] arg(_766542, v('(', ')', end_of_file), y)
^  Fail: (193) [user] is_delimiter(y)
   Call: (193) [system] ')'==y
   Fail: (193) [system] ')'==y
   Call: (193) [system] get_char((0x55772f068e50), y)
   Exit: (193) [system] get_char((0x55772f068e50), y)
   Call: (193) [system] y=(\)
   Fail: (193) [system] y=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _773892)
   Call: (194) [system] peek_char((0x55772f068e50), _774826)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _773892=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (193) [system] _759956=[y]
   Exit: (193) [system] [y]=[y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [y])
   Call: (192) [system] _746020=[r, y]
   Exit: (192) [system] [r, y]=[r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [r, y])
   Call: (191) [system] _732084=[e, r, y]
   Exit: (191) [system] [e, r, y]=[e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [e, r, y])
   Call: (190) [system] _718148=[u, e, r, y]
   Exit: (190) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [u, e, r, y])
   Call: (189) [system] _704212=[q, u, e, r, y]
   Exit: (189) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [q, u, e, r, y])
^  Call: (188) [user] classify_and_convert_charseq([$, q, u, e, r, y], _668702)
^  Call: (189) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _798080)
   Call: (190) [system] atom_chars(_799012, ['_', q, u, e, r, y])
   Exit: (190) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (189) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (189) [system] integer(_query)
   Fail: (189) [system] integer(_query)
   Call: (189) [system] _668702=_query
   Exit: (189) [system] _query=_query
^  Exit: (188) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (187) [user] read_symbolic(')', (0x55772f068e50), $, _query)
^  Exit: (186) [user] cont_sexpr(')', (0x55772f068e50), _query)
^  Call: (186) [user] read_list(')', (0x55772f068e50), _808304)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _810162)
   Exit: (188) [system] peek_char((0x55772f068e50), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x55772f068e50), _819756)
   Exit: (188) [system] get_char((0x55772f068e50), ' ')
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _822460)
   Exit: (189) [system] peek_char((0x55772f068e50), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _839394)
   Exit: (187) [system] peek_char((0x55772f068e50), $)
   Call: (187) [system] ($)=')'
   Fail: (187) [system] ($)=')'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x55772f068e50), _844964)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _846822)
   Exit: (189) [system] peek_char((0x55772f068e50), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] get_char((0x55772f068e50), _862832)
   Exit: (188) [system] get_char((0x55772f068e50), $)
   Call: (188) [system] ($)='('
   Fail: (188) [system] ($)='('
   Call: (188) [system] ($)='['
   Fail: (188) [system] ($)='['
   Call: (188) [system] ($)='{'
   Fail: (188) [system] ($)='{'
   Call: (188) [system] ($)='"'
   Fail: (188) [system] ($)='"'
   Call: (188) [system] ($)=!
   Fail: (188) [system] ($)=!
   Call: (188) [system] ($)='\''
   Fail: (188) [system] ($)='\''
   Call: (188) [system] ($)='`'
   Fail: (188) [system] ($)='`'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x55772f068e50), $, _844964)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _880474)
   Call: (190) [system] peek_char((0x55772f068e50), _881408)
   Exit: (190) [system] peek_char((0x55772f068e50), k)
^  Call: (190) [user] is_delimiter(k)
   Call: (191) [system] char_type(k, space)
   Fail: (191) [system] char_type(k, space)
   Call: (191) [system] arg(_886128, v('(', ')', end_of_file), k)
   Fail: (191) [system] arg(_887060, v('(', ')', end_of_file), k)
^  Fail: (190) [user] is_delimiter(k)
   Call: (190) [system] ')'==k
   Fail: (190) [system] ')'==k
   Call: (190) [system] get_char((0x55772f068e50), k)
   Exit: (190) [system] get_char((0x55772f068e50), k)
   Call: (190) [system] k=(\)
   Fail: (190) [system] k=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _894410)
   Call: (191) [system] peek_char((0x55772f068e50), _895344)
   Exit: (191) [system] peek_char((0x55772f068e50), b)
^  Call: (191) [user] is_delimiter(b)
   Call: (192) [system] char_type(b, space)
   Fail: (192) [system] char_type(b, space)
   Call: (192) [system] arg(_900064, v('(', ')', end_of_file), b)
   Fail: (192) [system] arg(_900996, v('(', ')', end_of_file), b)
^  Fail: (191) [user] is_delimiter(b)
   Call: (191) [system] ')'==b
   Fail: (191) [system] ')'==b
   Call: (191) [system] get_char((0x55772f068e50), b)
   Exit: (191) [system] get_char((0x55772f068e50), b)
   Call: (191) [system] b=(\)
   Fail: (191) [system] b=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _908346)
   Call: (192) [system] peek_char((0x55772f068e50), _909280)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _908346=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (191) [system] _894410=[b]
   Exit: (191) [system] [b]=[b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (190) [system] _880474=[k, b]
   Exit: (190) [system] [k, b]=[k, b]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [k, b])
^  Call: (189) [user] classify_and_convert_charseq([$, k, b], _844964)
^  Call: (190) [user] classify_and_convert_charseq_([$, k, b], _924152)
   Call: (191) [system] atom_chars(_925084, ['_', k, b])
   Exit: (191) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (190) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (190) [system] integer(_kb)
   Fail: (190) [system] integer(_kb)
   Call: (190) [system] _844964=_kb
   Exit: (190) [system] _kb=_kb
^  Exit: (189) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (188) [user] read_symbolic(')', (0x55772f068e50), $, _kb)
^  Exit: (187) [user] cont_sexpr(')', (0x55772f068e50), _kb)
^  Call: (187) [user] read_list(')', (0x55772f068e50), _934376)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _936234)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x55772f068e50), _945828)
   Exit: (189) [system] get_char((0x55772f068e50), ' ')
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _948532)
   Exit: (190) [system] peek_char((0x55772f068e50), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _965466)
   Exit: (188) [system] peek_char((0x55772f068e50), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x55772f068e50), _971036)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _972894)
   Exit: (190) [system] peek_char((0x55772f068e50), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] get_char((0x55772f068e50), _988904)
   Exit: (189) [system] get_char((0x55772f068e50), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x55772f068e50), $, _971036)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _1006546)
   Call: (191) [system] peek_char((0x55772f068e50), _1007480)
   Exit: (191) [system] peek_char((0x55772f068e50), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_1012200, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_1013132, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x55772f068e50), r)
   Exit: (191) [system] get_char((0x55772f068e50), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _1020482)
   Call: (192) [system] peek_char((0x55772f068e50), _1021416)
   Exit: (192) [system] peek_char((0x55772f068e50), b)
^  Call: (192) [user] is_delimiter(b)
   Call: (193) [system] char_type(b, space)
   Fail: (193) [system] char_type(b, space)
   Call: (193) [system] arg(_1026136, v('(', ')', end_of_file), b)
   Fail: (193) [system] arg(_1027068, v('(', ')', end_of_file), b)
^  Fail: (192) [user] is_delimiter(b)
   Call: (192) [system] ')'==b
   Fail: (192) [system] ')'==b
   Call: (192) [system] get_char((0x55772f068e50), b)
   Exit: (192) [system] get_char((0x55772f068e50), b)
   Call: (192) [system] b=(\)
   Fail: (192) [system] b=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _1034418)
   Call: (193) [system] peek_char((0x55772f068e50), _1035352)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
^  Call: (193) [user] is_delimiter(' ')
   Call: (194) [system] char_type(' ', space)
   Exit: (194) [system] char_type(' ', space)
^  Exit: (193) [user] is_delimiter(' ')
   Call: (193) [system] _1034418=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (192) [system] _1020482=[b]
   Exit: (192) [system] [b]=[b]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (191) [system] _1006546=[r, b]
   Exit: (191) [system] [r, b]=[r, b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [r, b])
^  Call: (190) [user] classify_and_convert_charseq([$, r, b], _971036)
^  Call: (191) [user] classify_and_convert_charseq_([$, r, b], _1050224)
   Call: (192) [system] atom_chars(_1051156, ['_', r, b])
   Exit: (192) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (191) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (191) [system] integer(_rb)
   Fail: (191) [system] integer(_rb)
   Call: (191) [system] _971036=_rb
   Exit: (191) [system] _rb=_rb
^  Exit: (190) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (189) [user] read_symbolic(')', (0x55772f068e50), $, _rb)
^  Exit: (188) [user] cont_sexpr(')', (0x55772f068e50), _rb)
^  Call: (188) [user] read_list(')', (0x55772f068e50), _1060448)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1062306)
   Exit: (190) [system] peek_char((0x55772f068e50), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x55772f068e50), _1071900)
   Exit: (190) [system] get_char((0x55772f068e50), ' ')
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1074604)
   Exit: (191) [system] peek_char((0x55772f068e50), $)
   Call: (191) [system] ($)=(;)
   Fail: (191) [system] ($)=(;)
   Call: (191) [system] ($)=(/)
   Fail: (191) [system] ($)=(/)
^  Call: (191) [user] is_like_space($)
   Call: (192) [system] char_type($, 'white')
   Fail: (192) [system] char_type($, 'white')
   Call: (192) [system] char_type($, end_of_line)
   Fail: (192) [system] char_type($, end_of_line)
   Call: (192) [system] char_type($, space)
   Fail: (192) [system] char_type($, space)
   Call: (192) [system] char_type($, cntrl)
   Fail: (192) [system] char_type($, cntrl)
^  Fail: (191) [user] is_like_space($)
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1091538)
   Exit: (189) [system] peek_char((0x55772f068e50), $)
   Call: (189) [system] ($)=')'
   Fail: (189) [system] ($)=')'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x55772f068e50), _1097108)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1098966)
   Exit: (191) [system] peek_char((0x55772f068e50), $)
   Call: (191) [system] ($)=(;)
   Fail: (191) [system] ($)=(;)
   Call: (191) [system] ($)=(/)
   Fail: (191) [system] ($)=(/)
^  Call: (191) [user] is_like_space($)
   Call: (192) [system] char_type($, 'white')
   Fail: (192) [system] char_type($, 'white')
   Call: (192) [system] char_type($, end_of_line)
   Fail: (192) [system] char_type($, end_of_line)
   Call: (192) [system] char_type($, space)
   Fail: (192) [system] char_type($, space)
   Call: (192) [system] char_type($, cntrl)
   Fail: (192) [system] char_type($, cntrl)
^  Fail: (191) [user] is_like_space($)
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] get_char((0x55772f068e50), _1114976)
   Exit: (190) [system] get_char((0x55772f068e50), $)
   Call: (190) [system] ($)='('
   Fail: (190) [system] ($)='('
   Call: (190) [system] ($)='['
   Fail: (190) [system] ($)='['
   Call: (190) [system] ($)='{'
   Fail: (190) [system] ($)='{'
   Call: (190) [system] ($)='"'
   Fail: (190) [system] ($)='"'
   Call: (190) [system] ($)=!
   Fail: (190) [system] ($)=!
   Call: (190) [system] ($)='\''
   Fail: (190) [system] ($)='\''
   Call: (190) [system] ($)='`'
   Fail: (190) [system] ($)='`'
   Call: (190) [system] ($)=end_of_file
   Fail: (190) [system] ($)=end_of_file
^  Call: (190) [user] read_symbolic(')', (0x55772f068e50), $, _1097108)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _1132618)
   Call: (192) [system] peek_char((0x55772f068e50), _1133552)
   Exit: (192) [system] peek_char((0x55772f068e50), d)
^  Call: (192) [user] is_delimiter(d)
   Call: (193) [system] char_type(d, space)
   Fail: (193) [system] char_type(d, space)
   Call: (193) [system] arg(_1138272, v('(', ')', end_of_file), d)
   Fail: (193) [system] arg(_1139204, v('(', ')', end_of_file), d)
^  Fail: (192) [user] is_delimiter(d)
   Call: (192) [system] ')'==d
   Fail: (192) [system] ')'==d
   Call: (192) [system] get_char((0x55772f068e50), d)
   Exit: (192) [system] get_char((0x55772f068e50), d)
   Call: (192) [system] d=(\)
   Fail: (192) [system] d=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _1146554)
   Call: (193) [system] peek_char((0x55772f068e50), _1147488)
   Exit: (193) [system] peek_char((0x55772f068e50), e)
^  Call: (193) [user] is_delimiter(e)
   Call: (194) [system] char_type(e, space)
   Fail: (194) [system] char_type(e, space)
   Call: (194) [system] arg(_1152208, v('(', ')', end_of_file), e)
   Fail: (194) [system] arg(_1153140, v('(', ')', end_of_file), e)
^  Fail: (193) [user] is_delimiter(e)
   Call: (193) [system] ')'==e
   Fail: (193) [system] ')'==e
   Call: (193) [system] get_char((0x55772f068e50), e)
   Exit: (193) [system] get_char((0x55772f068e50), e)
   Call: (193) [system] e=(\)
   Fail: (193) [system] e=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _1160490)
   Call: (194) [system] peek_char((0x55772f068e50), _1161424)
   Exit: (194) [system] peek_char((0x55772f068e50), p)
^  Call: (194) [user] is_delimiter(p)
   Call: (195) [system] char_type(p, space)
   Fail: (195) [system] char_type(p, space)
   Call: (195) [system] arg(_1166144, v('(', ')', end_of_file), p)
   Fail: (195) [system] arg(_1167076, v('(', ')', end_of_file), p)
^  Fail: (194) [user] is_delimiter(p)
   Call: (194) [system] ')'==p
   Fail: (194) [system] ')'==p
   Call: (194) [system] get_char((0x55772f068e50), p)
   Exit: (194) [system] get_char((0x55772f068e50), p)
   Call: (194) [system] p=(\)
   Fail: (194) [system] p=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _1174426)
   Call: (195) [system] peek_char((0x55772f068e50), _1175360)
   Exit: (195) [system] peek_char((0x55772f068e50), t)
^  Call: (195) [user] is_delimiter(t)
   Call: (196) [system] char_type(t, space)
   Fail: (196) [system] char_type(t, space)
   Call: (196) [system] arg(_1180080, v('(', ')', end_of_file), t)
   Fail: (196) [system] arg(_1181012, v('(', ')', end_of_file), t)
^  Fail: (195) [user] is_delimiter(t)
   Call: (195) [system] ')'==t
   Fail: (195) [system] ')'==t
   Call: (195) [system] get_char((0x55772f068e50), t)
   Exit: (195) [system] get_char((0x55772f068e50), t)
   Call: (195) [system] t=(\)
   Fail: (195) [system] t=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _1188362)
   Call: (196) [system] peek_char((0x55772f068e50), _1189296)
   Exit: (196) [system] peek_char((0x55772f068e50), h)
^  Call: (196) [user] is_delimiter(h)
   Call: (197) [system] char_type(h, space)
   Fail: (197) [system] char_type(h, space)
   Call: (197) [system] arg(_1194016, v('(', ')', end_of_file), h)
   Fail: (197) [system] arg(_1194948, v('(', ')', end_of_file), h)
^  Fail: (196) [user] is_delimiter(h)
   Call: (196) [system] ')'==h
   Fail: (196) [system] ')'==h
   Call: (196) [system] get_char((0x55772f068e50), h)
   Exit: (196) [system] get_char((0x55772f068e50), h)
   Call: (196) [system] h=(\)
   Fail: (196) [system] h=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1202298)
   Call: (197) [system] peek_char((0x55772f068e50), _1203232)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_1207952, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _1202298=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (196) [system] _1188362=[h]
   Exit: (196) [system] [h]=[h]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [h])
   Call: (195) [system] _1174426=[t, h]
   Exit: (195) [system] [t, h]=[t, h]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [t, h])
   Call: (194) [system] _1160490=[p, t, h]
   Exit: (194) [system] [p, t, h]=[p, t, h]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [p, t, h])
   Call: (193) [system] _1146554=[e, p, t, h]
   Exit: (193) [system] [e, p, t, h]=[e, p, t, h]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [e, p, t, h])
   Call: (192) [system] _1132618=[d, e, p, t, h]
   Exit: (192) [system] [d, e, p, t, h]=[d, e, p, t, h]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [d, e, p, t, h])
^  Call: (191) [user] classify_and_convert_charseq([$, d, e, p, t, h], _1097108)
^  Call: (192) [user] classify_and_convert_charseq_([$, d, e, p, t, h], _1228358)
   Call: (193) [system] atom_chars(_1229290, ['_', d, e, p, t, h])
   Exit: (193) [system] atom_chars('_depth', ['_', d, e, p, t, h])
^  Exit: (192) [user] classify_and_convert_charseq_([$, d, e, p, t, h], _depth)
   Call: (192) [system] integer(_depth)
   Fail: (192) [system] integer(_depth)
   Call: (192) [system] _1097108=_depth
   Exit: (192) [system] _depth=_depth
^  Exit: (191) [user] classify_and_convert_charseq([$, d, e, p, t, h], _depth)
^  Exit: (190) [user] read_symbolic(')', (0x55772f068e50), $, _depth)
^  Exit: (189) [user] cont_sexpr(')', (0x55772f068e50), _depth)
^  Call: (189) [user] read_list(')', (0x55772f068e50), _1238582)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1240440)
   Exit: (191) [system] peek_char((0x55772f068e50), ')')
   Call: (191) [system] ')'=(;)
   Fail: (191) [system] ')'=(;)
   Call: (191) [system] ')'=(/)
   Fail: (191) [system] ')'=(/)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Fail: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Fail: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
   Fail: (192) [system] char_type(')', cntrl)
^  Fail: (191) [user] is_like_space(')')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1256450)
   Exit: (190) [system] peek_char((0x55772f068e50), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x55772f068e50), _1260240)
   Exit: (190) [system] get_char((0x55772f068e50), ')')
   Call: (190) [system] _1238582=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x55772f068e50), [])
   Call: (189) [system] _1060448=[_depth]
   Exit: (189) [system] [_depth]=[_depth]
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [_depth])
   Call: (188) [system] _934376=[_rb, _depth]
   Exit: (188) [system] [_rb, _depth]=[_rb, _depth]
^  Exit: (187) [user] read_list(')', (0x55772f068e50), [_rb, _depth])
   Call: (187) [system] _808304=[_kb, _rb, _depth]
   Exit: (187) [system] [_kb, _rb, _depth]=[_kb, _rb, _depth]
^  Exit: (186) [user] read_list(')', (0x55772f068e50), [_kb, _rb, _depth])
   Call: (186) [system] _632042=[_query, _kb, _rb, _depth]
   Exit: (186) [system] [_query, _kb, _rb, _depth]=[_query, _kb, _rb, _depth]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [_query, _kb, _rb, _depth])
   Call: (185) [system] _377646=[synthesize, _query, _kb, _rb, _depth]
   Exit: (185) [system] [synthesize, _query, _kb, _rb, _depth]=[synthesize, _query, _kb, _rb, _depth]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [synthesize, _query, _kb, _rb, _depth])
^  Exit: (183) [user] cont_sexpr(')', (0x55772f068e50), [synthesize, _query, _kb, _rb, _depth])
^  Call: (183) [user] read_list(')', (0x55772f068e50), _1279710)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1281568)
   Exit: (185) [system] peek_char((0x55772f068e50), '\n')
   Call: (185) [system] '\n'=(;)
   Fail: (185) [system] '\n'=(;)
   Call: (185) [system] '\n'=(/)
   Fail: (185) [system] '\n'=(/)
^  Call: (185) [user] is_like_space('\n')
   Call: (186) [system] char_type('\n', 'white')
   Fail: (186) [system] char_type('\n', 'white')
   Call: (186) [system] char_type('\n', end_of_line)
   Exit: (186) [system] char_type('\n', end_of_line)
^  Exit: (185) [user] is_like_space('\n')
   Call: (185) [system] get_char((0x55772f068e50), _1293018)
   Exit: (185) [system] get_char((0x55772f068e50), '\n')
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1295722)
   Exit: (186) [system] peek_char((0x55772f068e50), ' ')
   Call: (186) [system] ' '=(;)
   Fail: (186) [system] ' '=(;)
   Call: (186) [system] ' '=(/)
   Fail: (186) [system] ' '=(/)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x55772f068e50), _1305316)
   Exit: (186) [system] get_char((0x55772f068e50), ' ')
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1308020)
   Exit: (187) [system] peek_char((0x55772f068e50), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x55772f068e50), _1317614)
   Exit: (187) [system] get_char((0x55772f068e50), ' ')
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1320318)
   Exit: (188) [system] peek_char((0x55772f068e50), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x55772f068e50), _1329912)
   Exit: (188) [system] get_char((0x55772f068e50), ' ')
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1332616)
   Exit: (189) [system] peek_char((0x55772f068e50), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _1352322)
   Exit: (184) [system] peek_char((0x55772f068e50), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x55772f068e50), _1357892)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1359750)
   Exit: (186) [system] peek_char((0x55772f068e50), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] get_char((0x55772f068e50), _1375760)
   Exit: (185) [system] get_char((0x55772f068e50), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x55772f068e50), _1357892)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1381330)
   Exit: (187) [system] peek_char((0x55772f068e50), l)
   Call: (187) [system] l=(;)
   Fail: (187) [system] l=(;)
   Call: (187) [system] l=(/)
   Fail: (187) [system] l=(/)
^  Call: (187) [user] is_like_space(l)
   Call: (188) [system] char_type(l, 'white')
   Fail: (188) [system] char_type(l, 'white')
   Call: (188) [system] char_type(l, end_of_line)
   Fail: (188) [system] char_type(l, end_of_line)
   Call: (188) [system] char_type(l, space)
   Fail: (188) [system] char_type(l, space)
   Call: (188) [system] char_type(l, cntrl)
   Fail: (188) [system] char_type(l, cntrl)
^  Fail: (187) [user] is_like_space(l)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1397340)
   Exit: (186) [system] peek_char((0x55772f068e50), l)
   Call: (186) [system] l=')'
   Fail: (186) [system] l=')'
   Call: (186) [system] l=end_of_file
   Fail: (186) [system] l=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x55772f068e50), _1402910)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1404768)
   Exit: (188) [system] peek_char((0x55772f068e50), l)
   Call: (188) [system] l=(;)
   Fail: (188) [system] l=(;)
   Call: (188) [system] l=(/)
   Fail: (188) [system] l=(/)
^  Call: (188) [user] is_like_space(l)
   Call: (189) [system] char_type(l, 'white')
   Fail: (189) [system] char_type(l, 'white')
   Call: (189) [system] char_type(l, end_of_line)
   Fail: (189) [system] char_type(l, end_of_line)
   Call: (189) [system] char_type(l, space)
   Fail: (189) [system] char_type(l, space)
   Call: (189) [system] char_type(l, cntrl)
   Fail: (189) [system] char_type(l, cntrl)
^  Fail: (188) [user] is_like_space(l)
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] get_char((0x55772f068e50), _1420778)
   Exit: (187) [system] get_char((0x55772f068e50), l)
   Call: (187) [system] l='('
   Fail: (187) [system] l='('
   Call: (187) [system] l='['
   Fail: (187) [system] l='['
   Call: (187) [system] l='{'
   Fail: (187) [system] l='{'
   Call: (187) [system] l='"'
   Fail: (187) [system] l='"'
   Call: (187) [system] l=!
   Fail: (187) [system] l=!
   Call: (187) [system] l='\''
   Fail: (187) [system] l='\''
   Call: (187) [system] l='`'
   Fail: (187) [system] l='`'
   Call: (187) [system] l=end_of_file
   Fail: (187) [system] l=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x55772f068e50), l, _1402910)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _1438420)
   Call: (189) [system] peek_char((0x55772f068e50), _1439354)
   Exit: (189) [system] peek_char((0x55772f068e50), e)
^  Call: (189) [user] is_delimiter(e)
   Call: (190) [system] char_type(e, space)
   Fail: (190) [system] char_type(e, space)
   Call: (190) [system] arg(_1444074, v('(', ')', end_of_file), e)
   Fail: (190) [system] arg(_1445006, v('(', ')', end_of_file), e)
^  Fail: (189) [user] is_delimiter(e)
   Call: (189) [system] ')'==e
   Fail: (189) [system] ')'==e
   Call: (189) [system] get_char((0x55772f068e50), e)
   Exit: (189) [system] get_char((0x55772f068e50), e)
   Call: (189) [system] e=(\)
   Fail: (189) [system] e=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _1452356)
   Call: (190) [system] peek_char((0x55772f068e50), _1453290)
   Exit: (190) [system] peek_char((0x55772f068e50), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_1458010, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_1458942, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x55772f068e50), t)
   Exit: (190) [system] get_char((0x55772f068e50), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _1466292)
   Call: (191) [system] peek_char((0x55772f068e50), _1467226)
   Exit: (191) [system] peek_char((0x55772f068e50), ' ')
^  Call: (191) [user] is_delimiter(' ')
   Call: (192) [system] char_type(' ', space)
   Exit: (192) [system] char_type(' ', space)
^  Exit: (191) [user] is_delimiter(' ')
   Call: (191) [system] _1466292=[]
   Exit: (191) [system] []=[]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (190) [system] _1452356=[t]
   Exit: (190) [system] [t]=[t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [t])
   Call: (189) [system] _1438420=[e, t]
   Exit: (189) [system] [e, t]=[e, t]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [e, t])
^  Call: (188) [user] classify_and_convert_charseq([l, e, t], _1402910)
^  Call: (189) [user] classify_and_convert_charseq_([l, e, t], _1482098)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1483050, _1483052), once(user:catch(read_from_chars([l, e, t], _1482098), _1483032, fail)), '$restore_trace'(_1483050, _1483052))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1483050, _1483052))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([l, e, t], let), _1483032, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(let)
   Exit: (190) [system] atomic(let)
^  Exit: (189) [user] classify_and_convert_charseq_([l, e, t], let)
   Call: (189) [system] integer(let)
   Fail: (189) [system] integer(let)
   Call: (189) [system] _1402910=let
   Exit: (189) [system] let=let
^  Exit: (188) [user] classify_and_convert_charseq([l, e, t], let)
^  Exit: (187) [user] read_symbolic(')', (0x55772f068e50), l, let)
^  Exit: (186) [user] cont_sexpr(')', (0x55772f068e50), let)
^  Call: (186) [user] read_list(')', (0x55772f068e50), _1495178)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1497036)
   Exit: (188) [system] peek_char((0x55772f068e50), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x55772f068e50), _1506630)
   Exit: (188) [system] get_char((0x55772f068e50), ' ')
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1509334)
   Exit: (189) [system] peek_char((0x55772f068e50), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1526268)
   Exit: (187) [system] peek_char((0x55772f068e50), $)
   Call: (187) [system] ($)=')'
   Fail: (187) [system] ($)=')'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x55772f068e50), _1531838)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1533696)
   Exit: (189) [system] peek_char((0x55772f068e50), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] get_char((0x55772f068e50), _1549706)
   Exit: (188) [system] get_char((0x55772f068e50), $)
   Call: (188) [system] ($)='('
   Fail: (188) [system] ($)='('
   Call: (188) [system] ($)='['
   Fail: (188) [system] ($)='['
   Call: (188) [system] ($)='{'
   Fail: (188) [system] ($)='{'
   Call: (188) [system] ($)='"'
   Fail: (188) [system] ($)='"'
   Call: (188) [system] ($)=!
   Fail: (188) [system] ($)=!
   Call: (188) [system] ($)='\''
   Fail: (188) [system] ($)='\''
   Call: (188) [system] ($)='`'
   Fail: (188) [system] ($)='`'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x55772f068e50), $, _1531838)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _1567348)
   Call: (190) [system] peek_char((0x55772f068e50), _1568282)
   Exit: (190) [system] peek_char((0x55772f068e50), q)
^  Call: (190) [user] is_delimiter(q)
   Call: (191) [system] char_type(q, space)
   Fail: (191) [system] char_type(q, space)
   Call: (191) [system] arg(_1573002, v('(', ')', end_of_file), q)
   Fail: (191) [system] arg(_1573934, v('(', ')', end_of_file), q)
^  Fail: (190) [user] is_delimiter(q)
   Call: (190) [system] ')'==q
   Fail: (190) [system] ')'==q
   Call: (190) [system] get_char((0x55772f068e50), q)
   Exit: (190) [system] get_char((0x55772f068e50), q)
   Call: (190) [system] q=(\)
   Fail: (190) [system] q=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _1581284)
   Call: (191) [system] peek_char((0x55772f068e50), _1582218)
   Exit: (191) [system] peek_char((0x55772f068e50), u)
^  Call: (191) [user] is_delimiter(u)
   Call: (192) [system] char_type(u, space)
   Fail: (192) [system] char_type(u, space)
   Call: (192) [system] arg(_1586938, v('(', ')', end_of_file), u)
   Fail: (192) [system] arg(_1587870, v('(', ')', end_of_file), u)
^  Fail: (191) [user] is_delimiter(u)
   Call: (191) [system] ')'==u
   Fail: (191) [system] ')'==u
   Call: (191) [system] get_char((0x55772f068e50), u)
   Exit: (191) [system] get_char((0x55772f068e50), u)
   Call: (191) [system] u=(\)
   Fail: (191) [system] u=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _1595220)
   Call: (192) [system] peek_char((0x55772f068e50), _1596154)
   Exit: (192) [system] peek_char((0x55772f068e50), e)
^  Call: (192) [user] is_delimiter(e)
   Call: (193) [system] char_type(e, space)
   Fail: (193) [system] char_type(e, space)
   Call: (193) [system] arg(_1600874, v('(', ')', end_of_file), e)
   Fail: (193) [system] arg(_1601806, v('(', ')', end_of_file), e)
^  Fail: (192) [user] is_delimiter(e)
   Call: (192) [system] ')'==e
   Fail: (192) [system] ')'==e
   Call: (192) [system] get_char((0x55772f068e50), e)
   Exit: (192) [system] get_char((0x55772f068e50), e)
   Call: (192) [system] e=(\)
   Fail: (192) [system] e=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _1609156)
   Call: (193) [system] peek_char((0x55772f068e50), _1610090)
   Exit: (193) [system] peek_char((0x55772f068e50), r)
^  Call: (193) [user] is_delimiter(r)
   Call: (194) [system] char_type(r, space)
   Fail: (194) [system] char_type(r, space)
   Call: (194) [system] arg(_1614810, v('(', ')', end_of_file), r)
   Fail: (194) [system] arg(_1615742, v('(', ')', end_of_file), r)
^  Fail: (193) [user] is_delimiter(r)
   Call: (193) [system] ')'==r
   Fail: (193) [system] ')'==r
   Call: (193) [system] get_char((0x55772f068e50), r)
   Exit: (193) [system] get_char((0x55772f068e50), r)
   Call: (193) [system] r=(\)
   Fail: (193) [system] r=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _1623092)
   Call: (194) [system] peek_char((0x55772f068e50), _1624026)
   Exit: (194) [system] peek_char((0x55772f068e50), y)
^  Call: (194) [user] is_delimiter(y)
   Call: (195) [system] char_type(y, space)
   Fail: (195) [system] char_type(y, space)
   Call: (195) [system] arg(_1628746, v('(', ')', end_of_file), y)
   Fail: (195) [system] arg(_1629678, v('(', ')', end_of_file), y)
^  Fail: (194) [user] is_delimiter(y)
   Call: (194) [system] ')'==y
   Fail: (194) [system] ')'==y
   Call: (194) [system] get_char((0x55772f068e50), y)
   Exit: (194) [system] get_char((0x55772f068e50), y)
   Call: (194) [system] y=(\)
   Fail: (194) [system] y=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _1637028)
   Call: (195) [system] peek_char((0x55772f068e50), _1637962)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _1637028=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (194) [system] _1623092=[y]
   Exit: (194) [system] [y]=[y]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [y])
   Call: (193) [system] _1609156=[r, y]
   Exit: (193) [system] [r, y]=[r, y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [r, y])
   Call: (192) [system] _1595220=[e, r, y]
   Exit: (192) [system] [e, r, y]=[e, r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [e, r, y])
   Call: (191) [system] _1581284=[u, e, r, y]
   Exit: (191) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [u, e, r, y])
   Call: (190) [system] _1567348=[q, u, e, r, y]
   Exit: (190) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [q, u, e, r, y])
^  Call: (189) [user] classify_and_convert_charseq([$, q, u, e, r, y], _1531838)
^  Call: (190) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _1661216)
   Call: (191) [system] atom_chars(_1662148, ['_', q, u, e, r, y])
   Exit: (191) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (190) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (190) [system] integer(_query)
   Fail: (190) [system] integer(_query)
   Call: (190) [system] _1531838=_query
   Exit: (190) [system] _query=_query
^  Exit: (189) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (188) [user] read_symbolic(')', (0x55772f068e50), $, _query)
^  Exit: (187) [user] cont_sexpr(')', (0x55772f068e50), _query)
^  Call: (187) [user] read_list(')', (0x55772f068e50), _1671440)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1673298)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x55772f068e50), _1682892)
   Exit: (189) [system] get_char((0x55772f068e50), ' ')
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1685596)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1702530)
   Exit: (188) [system] peek_char((0x55772f068e50), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x55772f068e50), _1708100)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1709958)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] get_char((0x55772f068e50), _1725968)
   Exit: (189) [system] get_char((0x55772f068e50), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x55772f068e50), _1708100)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1731538)
   Exit: (191) [system] peek_char((0x55772f068e50), $)
   Call: (191) [system] ($)=(;)
   Fail: (191) [system] ($)=(;)
   Call: (191) [system] ($)=(/)
   Fail: (191) [system] ($)=(/)
^  Call: (191) [user] is_like_space($)
   Call: (192) [system] char_type($, 'white')
   Fail: (192) [system] char_type($, 'white')
   Call: (192) [system] char_type($, end_of_line)
   Fail: (192) [system] char_type($, end_of_line)
   Call: (192) [system] char_type($, space)
   Fail: (192) [system] char_type($, space)
   Call: (192) [system] char_type($, cntrl)
   Fail: (192) [system] char_type($, cntrl)
^  Fail: (191) [user] is_like_space($)
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1747548)
   Exit: (190) [system] peek_char((0x55772f068e50), $)
   Call: (190) [system] ($)=')'
   Fail: (190) [system] ($)=')'
   Call: (190) [system] ($)=end_of_file
   Fail: (190) [system] ($)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x55772f068e50), _1753118)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1754976)
   Exit: (192) [system] peek_char((0x55772f068e50), $)
   Call: (192) [system] ($)=(;)
   Fail: (192) [system] ($)=(;)
   Call: (192) [system] ($)=(/)
   Fail: (192) [system] ($)=(/)
^  Call: (192) [user] is_like_space($)
   Call: (193) [system] char_type($, 'white')
   Fail: (193) [system] char_type($, 'white')
   Call: (193) [system] char_type($, end_of_line)
   Fail: (193) [system] char_type($, end_of_line)
   Call: (193) [system] char_type($, space)
   Fail: (193) [system] char_type($, space)
   Call: (193) [system] char_type($, cntrl)
   Fail: (193) [system] char_type($, cntrl)
^  Fail: (192) [user] is_like_space($)
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] get_char((0x55772f068e50), _1770986)
   Exit: (191) [system] get_char((0x55772f068e50), $)
   Call: (191) [system] ($)='('
   Fail: (191) [system] ($)='('
   Call: (191) [system] ($)='['
   Fail: (191) [system] ($)='['
   Call: (191) [system] ($)='{'
   Fail: (191) [system] ($)='{'
   Call: (191) [system] ($)='"'
   Fail: (191) [system] ($)='"'
   Call: (191) [system] ($)=!
   Fail: (191) [system] ($)=!
   Call: (191) [system] ($)='\''
   Fail: (191) [system] ($)='\''
   Call: (191) [system] ($)='`'
   Fail: (191) [system] ($)='`'
   Call: (191) [system] ($)=end_of_file
   Fail: (191) [system] ($)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x55772f068e50), $, _1753118)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _1788628)
   Call: (193) [system] peek_char((0x55772f068e50), _1789562)
   Exit: (193) [system] peek_char((0x55772f068e50), k)
^  Call: (193) [user] is_delimiter(k)
   Call: (194) [system] char_type(k, space)
   Fail: (194) [system] char_type(k, space)
   Call: (194) [system] arg(_1794282, v('(', ')', end_of_file), k)
   Fail: (194) [system] arg(_1795214, v('(', ')', end_of_file), k)
^  Fail: (193) [user] is_delimiter(k)
   Call: (193) [system] ')'==k
   Fail: (193) [system] ')'==k
   Call: (193) [system] get_char((0x55772f068e50), k)
   Exit: (193) [system] get_char((0x55772f068e50), k)
   Call: (193) [system] k=(\)
   Fail: (193) [system] k=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _1802564)
   Call: (194) [system] peek_char((0x55772f068e50), _1803498)
   Exit: (194) [system] peek_char((0x55772f068e50), b)
^  Call: (194) [user] is_delimiter(b)
   Call: (195) [system] char_type(b, space)
   Fail: (195) [system] char_type(b, space)
   Call: (195) [system] arg(_1808218, v('(', ')', end_of_file), b)
   Fail: (195) [system] arg(_1809150, v('(', ')', end_of_file), b)
^  Fail: (194) [user] is_delimiter(b)
   Call: (194) [system] ')'==b
   Fail: (194) [system] ')'==b
   Call: (194) [system] get_char((0x55772f068e50), b)
   Exit: (194) [system] get_char((0x55772f068e50), b)
   Call: (194) [system] b=(\)
   Fail: (194) [system] b=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _1816500)
   Call: (195) [system] peek_char((0x55772f068e50), _1817434)
   Exit: (195) [system] peek_char((0x55772f068e50), ')')
^  Call: (195) [user] is_delimiter(')')
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] arg(_1822154, v('(', ')', end_of_file), ')')
   Exit: (196) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (195) [user] is_delimiter(')')
   Call: (195) [system] _1816500=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (194) [system] _1802564=[b]
   Exit: (194) [system] [b]=[b]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (193) [system] _1788628=[k, b]
   Exit: (193) [system] [k, b]=[k, b]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [k, b])
^  Call: (192) [user] classify_and_convert_charseq([$, k, b], _1753118)
^  Call: (193) [user] classify_and_convert_charseq_([$, k, b], _1834178)
   Call: (194) [system] atom_chars(_1835110, ['_', k, b])
   Exit: (194) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (193) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (193) [system] integer(_kb)
   Fail: (193) [system] integer(_kb)
   Call: (193) [system] _1753118=_kb
   Exit: (193) [system] _kb=_kb
^  Exit: (192) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (191) [user] read_symbolic(')', (0x55772f068e50), $, _kb)
^  Exit: (190) [user] cont_sexpr(')', (0x55772f068e50), _kb)
^  Call: (190) [user] read_list(')', (0x55772f068e50), _1844402)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1846260)
   Exit: (192) [system] peek_char((0x55772f068e50), ')')
   Call: (192) [system] ')'=(;)
   Fail: (192) [system] ')'=(;)
   Call: (192) [system] ')'=(/)
   Fail: (192) [system] ')'=(/)
^  Call: (192) [user] is_like_space(')')
   Call: (193) [system] char_type(')', 'white')
   Fail: (193) [system] char_type(')', 'white')
   Call: (193) [system] char_type(')', end_of_line)
   Fail: (193) [system] char_type(')', end_of_line)
   Call: (193) [system] char_type(')', space)
   Fail: (193) [system] char_type(')', space)
   Call: (193) [system] char_type(')', cntrl)
   Fail: (193) [system] char_type(')', cntrl)
^  Fail: (192) [user] is_like_space(')')
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1862270)
   Exit: (191) [system] peek_char((0x55772f068e50), ')')
   Call: (191) [system] ')'=')'
   Exit: (191) [system] ')'=')'
   Call: (191) [system] get_char((0x55772f068e50), _1866060)
   Exit: (191) [system] get_char((0x55772f068e50), ')')
   Call: (191) [system] _1844402=[]
   Exit: (191) [system] []=[]
^  Exit: (190) [user] read_list(')', (0x55772f068e50), [])
   Call: (190) [system] _1708100=[_kb]
   Exit: (190) [system] [_kb]=[_kb]
^  Exit: (189) [user] read_list(')', (0x55772f068e50), [_kb])
^  Exit: (188) [user] cont_sexpr(')', (0x55772f068e50), [_kb])
^  Call: (188) [user] read_list(')', (0x55772f068e50), _1874354)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1876212)
   Exit: (190) [system] peek_char((0x55772f068e50), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x55772f068e50), _1885806)
   Exit: (190) [system] get_char((0x55772f068e50), ' ')
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1888510)
   Exit: (191) [system] peek_char((0x55772f068e50), $)
   Call: (191) [system] ($)=(;)
   Fail: (191) [system] ($)=(;)
   Call: (191) [system] ($)=(/)
   Fail: (191) [system] ($)=(/)
^  Call: (191) [user] is_like_space($)
   Call: (192) [system] char_type($, 'white')
   Fail: (192) [system] char_type($, 'white')
   Call: (192) [system] char_type($, end_of_line)
   Fail: (192) [system] char_type($, end_of_line)
   Call: (192) [system] char_type($, space)
   Fail: (192) [system] char_type($, space)
   Call: (192) [system] char_type($, cntrl)
   Fail: (192) [system] char_type($, cntrl)
^  Fail: (191) [user] is_like_space($)
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1905444)
   Exit: (189) [system] peek_char((0x55772f068e50), $)
   Call: (189) [system] ($)=')'
   Fail: (189) [system] ($)=')'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x55772f068e50), _1911014)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1912872)
   Exit: (191) [system] peek_char((0x55772f068e50), $)
   Call: (191) [system] ($)=(;)
   Fail: (191) [system] ($)=(;)
   Call: (191) [system] ($)=(/)
   Fail: (191) [system] ($)=(/)
^  Call: (191) [user] is_like_space($)
   Call: (192) [system] char_type($, 'white')
   Fail: (192) [system] char_type($, 'white')
   Call: (192) [system] char_type($, end_of_line)
   Fail: (192) [system] char_type($, end_of_line)
   Call: (192) [system] char_type($, space)
   Fail: (192) [system] char_type($, space)
   Call: (192) [system] char_type($, cntrl)
   Fail: (192) [system] char_type($, cntrl)
^  Fail: (191) [user] is_like_space($)
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] get_char((0x55772f068e50), _1928882)
   Exit: (190) [system] get_char((0x55772f068e50), $)
   Call: (190) [system] ($)='('
   Fail: (190) [system] ($)='('
   Call: (190) [system] ($)='['
   Fail: (190) [system] ($)='['
   Call: (190) [system] ($)='{'
   Fail: (190) [system] ($)='{'
   Call: (190) [system] ($)='"'
   Fail: (190) [system] ($)='"'
   Call: (190) [system] ($)=!
   Fail: (190) [system] ($)=!
   Call: (190) [system] ($)='\''
   Fail: (190) [system] ($)='\''
   Call: (190) [system] ($)='`'
   Fail: (190) [system] ($)='`'
   Call: (190) [system] ($)=end_of_file
   Fail: (190) [system] ($)=end_of_file
^  Call: (190) [user] read_symbolic(')', (0x55772f068e50), $, _1911014)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _1946524)
   Call: (192) [system] peek_char((0x55772f068e50), _1947458)
   Exit: (192) [system] peek_char((0x55772f068e50), q)
^  Call: (192) [user] is_delimiter(q)
   Call: (193) [system] char_type(q, space)
   Fail: (193) [system] char_type(q, space)
   Call: (193) [system] arg(_1952178, v('(', ')', end_of_file), q)
   Fail: (193) [system] arg(_1953110, v('(', ')', end_of_file), q)
^  Fail: (192) [user] is_delimiter(q)
   Call: (192) [system] ')'==q
   Fail: (192) [system] ')'==q
   Call: (192) [system] get_char((0x55772f068e50), q)
   Exit: (192) [system] get_char((0x55772f068e50), q)
   Call: (192) [system] q=(\)
   Fail: (192) [system] q=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _1960460)
   Call: (193) [system] peek_char((0x55772f068e50), _1961394)
   Exit: (193) [system] peek_char((0x55772f068e50), u)
^  Call: (193) [user] is_delimiter(u)
   Call: (194) [system] char_type(u, space)
   Fail: (194) [system] char_type(u, space)
   Call: (194) [system] arg(_1966114, v('(', ')', end_of_file), u)
   Fail: (194) [system] arg(_1967046, v('(', ')', end_of_file), u)
^  Fail: (193) [user] is_delimiter(u)
   Call: (193) [system] ')'==u
   Fail: (193) [system] ')'==u
   Call: (193) [system] get_char((0x55772f068e50), u)
   Exit: (193) [system] get_char((0x55772f068e50), u)
   Call: (193) [system] u=(\)
   Fail: (193) [system] u=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _1974396)
   Call: (194) [system] peek_char((0x55772f068e50), _1975330)
   Exit: (194) [system] peek_char((0x55772f068e50), e)
^  Call: (194) [user] is_delimiter(e)
   Call: (195) [system] char_type(e, space)
   Fail: (195) [system] char_type(e, space)
   Call: (195) [system] arg(_1980050, v('(', ')', end_of_file), e)
   Fail: (195) [system] arg(_1980982, v('(', ')', end_of_file), e)
^  Fail: (194) [user] is_delimiter(e)
   Call: (194) [system] ')'==e
   Fail: (194) [system] ')'==e
   Call: (194) [system] get_char((0x55772f068e50), e)
   Exit: (194) [system] get_char((0x55772f068e50), e)
   Call: (194) [system] e=(\)
   Fail: (194) [system] e=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _1988332)
   Call: (195) [system] peek_char((0x55772f068e50), _1989266)
   Exit: (195) [system] peek_char((0x55772f068e50), r)
^  Call: (195) [user] is_delimiter(r)
   Call: (196) [system] char_type(r, space)
   Fail: (196) [system] char_type(r, space)
   Call: (196) [system] arg(_1993986, v('(', ')', end_of_file), r)
   Fail: (196) [system] arg(_1994918, v('(', ')', end_of_file), r)
^  Fail: (195) [user] is_delimiter(r)
   Call: (195) [system] ')'==r
   Fail: (195) [system] ')'==r
   Call: (195) [system] get_char((0x55772f068e50), r)
   Exit: (195) [system] get_char((0x55772f068e50), r)
   Call: (195) [system] r=(\)
   Fail: (195) [system] r=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _2002268)
   Call: (196) [system] peek_char((0x55772f068e50), _2003202)
   Exit: (196) [system] peek_char((0x55772f068e50), y)
^  Call: (196) [user] is_delimiter(y)
   Call: (197) [system] char_type(y, space)
   Fail: (197) [system] char_type(y, space)
   Call: (197) [system] arg(_2007922, v('(', ')', end_of_file), y)
   Fail: (197) [system] arg(_2008854, v('(', ')', end_of_file), y)
^  Fail: (196) [user] is_delimiter(y)
   Call: (196) [system] ')'==y
   Fail: (196) [system] ')'==y
   Call: (196) [system] get_char((0x55772f068e50), y)
   Exit: (196) [system] get_char((0x55772f068e50), y)
   Call: (196) [system] y=(\)
   Fail: (196) [system] y=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _2016204)
   Call: (197) [system] peek_char((0x55772f068e50), _2017138)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_2021858, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _2016204=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (196) [system] _2002268=[y]
   Exit: (196) [system] [y]=[y]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [y])
   Call: (195) [system] _1988332=[r, y]
   Exit: (195) [system] [r, y]=[r, y]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [r, y])
   Call: (194) [system] _1974396=[e, r, y]
   Exit: (194) [system] [e, r, y]=[e, r, y]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [e, r, y])
   Call: (193) [system] _1960460=[u, e, r, y]
   Exit: (193) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [u, e, r, y])
   Call: (192) [system] _1946524=[q, u, e, r, y]
   Exit: (192) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [q, u, e, r, y])
^  Call: (191) [user] classify_and_convert_charseq([$, q, u, e, r, y], _1911014)
^  Call: (192) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _2042264)
   Call: (193) [system] atom_chars(_2043196, ['_', q, u, e, r, y])
   Exit: (193) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (192) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (192) [system] integer(_query)
   Fail: (192) [system] integer(_query)
   Call: (192) [system] _1911014=_query
   Exit: (192) [system] _query=_query
^  Exit: (191) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (190) [user] read_symbolic(')', (0x55772f068e50), $, _query)
^  Exit: (189) [user] cont_sexpr(')', (0x55772f068e50), _query)
^  Call: (189) [user] read_list(')', (0x55772f068e50), _2052488)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _2054346)
   Exit: (191) [system] peek_char((0x55772f068e50), ')')
   Call: (191) [system] ')'=(;)
   Fail: (191) [system] ')'=(;)
   Call: (191) [system] ')'=(/)
   Fail: (191) [system] ')'=(/)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Fail: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Fail: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
   Fail: (192) [system] char_type(')', cntrl)
^  Fail: (191) [user] is_like_space(')')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _2070356)
   Exit: (190) [system] peek_char((0x55772f068e50), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x55772f068e50), _2074146)
   Exit: (190) [system] get_char((0x55772f068e50), ')')
   Call: (190) [system] _2052488=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x55772f068e50), [])
   Call: (189) [system] _1874354=[_query]
   Exit: (189) [system] [_query]=[_query]
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [_query])
   Call: (188) [system] _1671440=[[_kb], _query]
   Exit: (188) [system] [[_kb], _query]=[[_kb], _query]
^  Exit: (187) [user] read_list(')', (0x55772f068e50), [[_kb], _query])
   Call: (187) [system] _1495178=[_query, [_kb], _query]
   Exit: (187) [system] [_query, [_kb], _query]=[_query, [_kb], _query]
^  Exit: (186) [user] read_list(')', (0x55772f068e50), [_query, [_kb], _query])
   Call: (186) [system] _1357892=[let, _query, [_kb], _query]
   Exit: (186) [system] [let, _query, [_kb], _query]=[let, _query, [_kb], _query]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [let, _query, [_kb], _query])
^  Exit: (184) [user] cont_sexpr(')', (0x55772f068e50), [let, _query, [_kb], _query])
^  Call: (184) [user] read_list(')', (0x55772f068e50), _2090822)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _2092680)
   Exit: (186) [system] peek_char((0x55772f068e50), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _15404)
   Exit: (185) [system] peek_char((0x55772f068e50), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x55772f068e50), _19194)
   Exit: (185) [system] get_char((0x55772f068e50), ')')
   Call: (185) [system] _3456=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [])
   Call: (184) [system] _3408=[[let, _query, [_kb], _query]]
   Exit: (184) [system] [[let, _query, [_kb], _query]]=[[let, _query, [_kb], _query]]
^  Exit: (183) [user] read_list(')', (0x55772f068e50), [[let, _query, [_kb], _query]])
   Call: (183) [system] _3356=[[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]
   Exit: (183) [system] [[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]=[[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]
^  Exit: (182) [user] read_list(')', (0x55772f068e50), [[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Call: (182) [system] _3316=[=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]
   Exit: (182) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]=[=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]
^  Exit: (181) [user] read_list(')', (0x55772f068e50), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (180) [user] cont_sexpr(')', (0x55772f068e50), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (179) [user] read_sexpr((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Call: (179) [user] assertz(metta_file_comment(51, 0, 1691, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], '$stream_position'(1691, 51, 0, 1691)))
^  Exit: (179) [user] assertz(metta_file_comment(51, 0, 1691, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], '$stream_position'(1691, 51, 0, 1691)))
^  Exit: (177) [system] once(user:(read_position((0x55772f068e50), 51, 0, 1691, '$stream_position'(1691, 51, 0, 1691)), read_sexpr((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]), assertz(metta_file_comment(51, 0, 1691, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], '$stream_position'(1691, 51, 0, 1691)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_37712, _37714, _37716, _37718, _37720))
^  Exit: (177) [user] retract(metta_file_comment(38, 0, 1254, '$COMMENT'(";;", 38, 0), '$stream_position'(1254, 38, 0, 1254)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;", 38, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;", 38, 0), _40544))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;", 38, 0), _40544)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;", 38, 0), _40544)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;", 38, 0), _43360))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;", 38, 0), _43360))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;", 38, 0), _43360)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;", 38, 0), _46160))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;", 38, 0), _46160)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;", 38, 0), _46160)
   Call: (187) [system] var('$COMMENT'(";;", 38, 0))
   Call: (187) [system] atom('$COMMENT'(";;", 38, 0))
   Call: (187) [system] '$COMMENT'(";;", 38, 0)==true
   Call: (187) [system] '$COMMENT'(";;", 38, 0)==false
   Call: (187) [system] '$COMMENT'(";;", 38, 0)==[_52680, _52686]
   Call: (187) [system] is_list('$COMMENT'(";;", 38, 0))
   Call: (187) [system] string('$COMMENT'(";;", 38, 0))
   Call: (187) [system] compound('$COMMENT'(";;", 38, 0))
   Exit: (187) [system] compound('$COMMENT'(";;", 38, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;", 38, 0), _57314, _57316)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;", 38, 0), '$COMMENT', [";;", 38, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;", 38, 0], _61056)
   Call: (188) [apply] apply:maplist_([";;", 38, 0], _61056, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;", _62936)
   Call: (190) [system] var(";;")
   Call: (190) [system] atom(";;")
   Call: (190) [system] ";;"==true
   Call: (190) [system] ";;"==false
   Call: (190) [system] ";;"==[_67578, _67584]
   Call: (190) [system] is_list(";;")
   Call: (190) [system] string(";;")
   Exit: (190) [system] string(";;")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;")
^  Call: (190) [user] symbol(";;")
   Call: (191) [system] atom(";;")
   Fail: (191) [system] atom(";;")
^  Fail: (190) [user] symbol(";;")
   Call: (190) [system] ";;"=_62936
   Exit: (190) [system] ";;"=";;"
^  Exit: (189) [user] mfix_vars1(";;", ";;")
   Call: (189) [apply] apply:maplist_([38, 0], _62938, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(38, _81458)
   Call: (191) [system] var(38)
   Call: (191) [system] atom(38)
   Call: (191) [system] 38==true
   Call: (191) [system] 38==false
   Call: (191) [system] 38==[_86100, _86106]
   Call: (191) [system] is_list(38)
   Call: (191) [system] string(38)
   Call: (191) [system] compound(38)
^  Call: (191) [user] symbol(38)
   Call: (192) [system] atom(38)
   Fail: (192) [system] atom(38)
^  Fail: (191) [user] symbol(38)
   Call: (191) [system] 38=_81458
   Exit: (191) [system] 38=38
^  Exit: (190) [user] mfix_vars1(38, 38)
   Call: (190) [apply] apply:maplist_([0], _81460, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _97224)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_101866, _101872]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_97224
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _97226, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([38, 0], [38, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;", 38, 0], [";;", 38, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;", 38, 0], [";;", 38, 0])
   Call: (187) [system] compound_name_arguments(_46160, '$COMMENT', [";;", 38, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;", 38, 0), '$COMMENT', [";;", 38, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;", 38, 0), '$COMMENT'(";;", 38, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;", 38, 0), '$COMMENT'(";;", 38, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;", 38, 0), '$COMMENT'(";;", 38, 0)))
   Call: (184) [system] '$COMMENT'(";;", 38, 0)\=@='$COMMENT'(";;", 38, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;", 38, 0), '$COMMENT'(";;", 38, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;", 38, 0), '$COMMENT'(";;", 38, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;", 38, 0), '$COMMENT'(";;", 38, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;", 38, 0), _126042))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;", 38, 0), _126042))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;", 38, 0), _126042)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;", 38, 0), _128842))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;", 38, 0), _128842)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;", 38, 0), _128842)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;", 38, 0), '$COMMENT'(";;", 38, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;", 38, 0), '$COMMENT'(";;", 38, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;", 38, 0), '$COMMENT'(";;", 38, 0)))
   Call: (184) [system] '$COMMENT'(";;", 38, 0)\=@='$COMMENT'(";;", 38, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;", 38, 0), '$COMMENT'(";;", 38, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;", 38, 0), '$COMMENT'(";;", 38, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;", 38, 0), '$COMMENT'(";;", 38, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;", 38, 0), _40544))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;", 38, 0), _40544))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;", 38, 0), _40544)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;", 38, 0), _142800))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;", 38, 0), _142800)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;", 38, 0), _142800)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;", 38, 0), '$COMMENT'(";;", 38, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;", 38, 0), '$COMMENT'(";;", 38, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;", 38, 0), '$COMMENT'(";;", 38, 0)))
   Call: (184) [system] '$COMMENT'(";;", 38, 0)\=@='$COMMENT'(";;", 38, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;", 38, 0), '$COMMENT'(";;", 38, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;", 38, 0), '$COMMENT'(";;", 38, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;", 38, 0), '$COMMENT'(";;", 38, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;", 38, 0), '$COMMENT'(";;", 38, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;", 38, 0), '$COMMENT'(";;", 38, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;", 38, 0), '$COMMENT'(";;", 38, 0)))
   Call: (178) [system] '$COMMENT'(";;", 38, 0)\=@='$COMMENT'(";;", 38, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;", 38, 0), '$COMMENT'(";;", 38, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;", 38, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;", 38, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;", 38, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";;", 38, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";;", 38, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;", 38, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;", 38, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;", 38, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";;", 38, 0))
^  Exit: (171) [user] read_sform((0x55772f068e50), '$COMMENT'(";;", 38, 0))
^  Exit: (170) [system] once(user:read_sform((0x55772f068e50), '$COMMENT'(";;", 38, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x55772f068e50), '$COMMENT'(";;", 38, 0)))
   Call: (169) [system] '$COMMENT'(";;", 38, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;", 38, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727481849.951376), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481849.951376), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 38, 0)), 50]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;", 38, 0), me_synthesize_1727481849_9551582, 50)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727481849.951376), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481849.951376), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 38, 0)), 50]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727481850.9399028)
   Call: (173) [system] arg(1, t(1727481849.951376), _3148)
   Exit: (173) [system] arg(1, t(1727481849.951376), 1727481849.951376)
   Call: (173) [system] _3158 is 1727481850.9399028-1727481849.951376
   Exit: (173) [system] 0.9885268211364746 is 1727481850.9399028-1727481849.951376
   Call: (173) [system] 0.9885268211364746>4
   Fail: (173) [system] 0.9885268211364746>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727481849.951376), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481849.951376), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 38, 0)), 50]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 4)
   Call: (175) [system] atom(4+1)
   Call: (175) [system] set_flag(translated_forms, 5)
   Exit: (175) [system] set_flag(translated_forms, 5)
   Exit: (174) [$syspreds] update_flag(translated_forms, 4, 4+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 4, 4+1))
   Exit: (171) [$syspreds] flag(translated_forms, 4, 4+1)
^  Call: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;", 38, 0), me_synthesize_1727481849_9551582, 50)
^  Call: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";;"])
^  Exit: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";;"])
^  Exit: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;", 38, 0), me_synthesize_1727481849_9551582, 50)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727481849.951376), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481849.951376), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 38, 0)), 50]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 4, 4+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;", 38, 0), me_synthesize_1727481849_9551582, 50)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x55772f068e50))
   Fail: (169) [system] at_end_of_stream((0x55772f068e50))
^  Call: (169) [user] must_det_ll(line_count((0x55772f068e50), _3074))
^  Call: (170) [user] once(user:line_count((0x55772f068e50), _3074))
   Call: (171) [system] line_count((0x55772f068e50), _3074)
   Exit: (171) [system] line_count((0x55772f068e50), 53)
^  Exit: (170) [system] once(user:line_count((0x55772f068e50), 53))
^  Exit: (169) [user] must_det_ll(user:line_count((0x55772f068e50), 53))
^  Call: (169) [user] must_det_ll(read_sform((0x55772f068e50), _3084))
^  Call: (170) [user] once(user:read_sform((0x55772f068e50), _3084))
^  Call: (171) [user] read_sform((0x55772f068e50), _3084)
   Call: (172) [system] string((0x55772f068e50))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (173) [system] string((0x55772f068e50))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (174) [system] at_end_of_stream((0x55772f068e50))
   Call: (174) [system] peek_char((0x55772f068e50), _217584)
   Exit: (174) [system] peek_char((0x55772f068e50), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x55772f068e50), '\n')
   Exit: (174) [system] get_char((0x55772f068e50), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), _3084)
   Call: (175) [system] at_end_of_stream((0x55772f068e50))
   Call: (175) [system] peek_char((0x55772f068e50), _225006)
   Exit: (175) [system] peek_char((0x55772f068e50), ;)
   Call: (175) [system] char_type(;, space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (176) [system] string((0x55772f068e50))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (177) [system] at_end_of_stream((0x55772f068e50))
   Call: (177) [system] peek_char((0x55772f068e50), _233344)
   Exit: (177) [system] peek_char((0x55772f068e50), ;)
   Call: (177) [system] char_type(;, space)
   Call: (177) [system] _236130=(0x55772f068e50)
   Exit: (177) [system] (0x55772f068e50)=(0x55772f068e50)
^  Call: (177) [user] once((read_position((0x55772f068e50), _237998, _238000, _238002, _238004), read_sexpr((0x55772f068e50), _238016), assertz(metta_file_comment(_237998, _238000, _238002, _238016, _238004))))
^  Call: (179) [user] read_position((0x55772f068e50), _237998, _238000, _238002, _238004)
   Call: (180) [system] stream_property((0x55772f068e50), position(_238004))
   Call: (181) [system] nonvar((0x55772f068e50))
   Exit: (181) [system] nonvar((0x55772f068e50))
   Call: (181) [system] nonvar(position(_238004))
   Exit: (181) [system] nonvar(position(_238004))
   Exit: (180) [system] stream_property((0x55772f068e50), position('$stream_position'(1783, 54, 0, 1783)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(1783, 54, 0, 1783), _237998)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _248256)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(1783, 54, 0, 1783), _237998)
   Exit: (181) [system] arg(2, '$stream_position'(1783, 54, 0, 1783), 54)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(1783, 54, 0, 1783), 54)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(1783, 54, 0, 1783), _238000)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _255690)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(1783, 54, 0, 1783), _238000)
   Exit: (181) [system] arg(3, '$stream_position'(1783, 54, 0, 1783), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(1783, 54, 0, 1783), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(1783, 54, 0, 1783), _238002)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _263124)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(1783, 54, 0, 1783), _238002)
   Exit: (181) [system] arg(1, '$stream_position'(1783, 54, 0, 1783), 1783)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(1783, 54, 0, 1783), 1783)
^  Exit: (179) [user] read_position((0x55772f068e50), 54, 0, 1783, '$stream_position'(1783, 54, 0, 1783))
^  Call: (179) [user] read_sexpr((0x55772f068e50), _238016)
   Call: (180) [system] string((0x55772f068e50))
   Fail: (180) [system] string((0x55772f068e50))
^  Call: (180) [user] cont_sexpr(')', (0x55772f068e50), _238016)
^  Call: (181) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _273350)
   Exit: (182) [system] peek_char((0x55772f068e50), ;)
   Call: (182) [system] (;)=(;)
   Exit: (182) [system] (;)=(;)
^  Call: (182) [user] read_single_line_comment((0x55772f068e50))
^  Call: (183) [user] read_position((0x55772f068e50), _277988, _277990, _277992, _277994)
   Call: (184) [system] stream_property((0x55772f068e50), position(_277994))
   Call: (185) [system] nonvar((0x55772f068e50))
   Exit: (185) [system] nonvar((0x55772f068e50))
   Call: (185) [system] nonvar(position(_277994))
   Exit: (185) [system] nonvar(position(_277994))
   Exit: (184) [system] stream_property((0x55772f068e50), position('$stream_position'(1783, 54, 0, 1783)))
   Call: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(1783, 54, 0, 1783), _277988)
   Call: (185) [system] nonvar(line_count)
   Exit: (185) [system] nonvar(line_count)
   Call: (185) [$syspreds] stream_position_field(line_count, _287282)
   Exit: (185) [$syspreds] stream_position_field(line_count, 2)
   Call: (185) [system] arg(2, '$stream_position'(1783, 54, 0, 1783), _277988)
   Exit: (185) [system] arg(2, '$stream_position'(1783, 54, 0, 1783), 54)
   Exit: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(1783, 54, 0, 1783), 54)
   Call: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(1783, 54, 0, 1783), _277990)
   Call: (185) [system] nonvar(line_position)
   Exit: (185) [system] nonvar(line_position)
   Call: (185) [$syspreds] stream_position_field(line_position, _294716)
   Exit: (185) [$syspreds] stream_position_field(line_position, 3)
   Call: (185) [system] arg(3, '$stream_position'(1783, 54, 0, 1783), _277990)
   Exit: (185) [system] arg(3, '$stream_position'(1783, 54, 0, 1783), 0)
   Exit: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(1783, 54, 0, 1783), 0)
   Call: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(1783, 54, 0, 1783), _277992)
   Call: (185) [system] nonvar(char_count)
   Exit: (185) [system] nonvar(char_count)
   Call: (185) [$syspreds] stream_position_field(char_count, _302150)
   Exit: (185) [$syspreds] stream_position_field(char_count, 1)
   Call: (185) [system] arg(1, '$stream_position'(1783, 54, 0, 1783), _277992)
   Exit: (185) [system] arg(1, '$stream_position'(1783, 54, 0, 1783), 1783)
   Exit: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(1783, 54, 0, 1783), 1783)
^  Exit: (183) [user] read_position((0x55772f068e50), 54, 0, 1783, '$stream_position'(1783, 54, 0, 1783))
   Call: (183) [read_util] read_util:read_line_to_string((0x55772f068e50), _307744)
   Call: (184) [system] read_string((0x55772f068e50), '\n', '\r', _308674, _308676)
   Exit: (184) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";; Unary rule")
   Call: (184) [system] 10\== -1
   Exit: (184) [system] 10\== -1
   Call: (184) [system] _307744=";; Unary rule"
   Exit: (184) [system] ";; Unary rule"=";; Unary rule"
   Exit: (183) [read_util] read_util:read_line_to_string((0x55772f068e50), ";; Unary rule")
^  Call: (183) [user] assertz(metta_file_comment(54, 0, 1783, '$COMMENT'(";; Unary rule", 54, 0), '$stream_position'(1783, 54, 0, 1783)))
^  Exit: (183) [user] assertz(metta_file_comment(54, 0, 1783, '$COMMENT'(";; Unary rule", 54, 0), '$stream_position'(1783, 54, 0, 1783)))
^  Exit: (182) [user] read_single_line_comment((0x55772f068e50))
^  Call: (182) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _318934)
   Exit: (183) [system] peek_char((0x55772f068e50), '(')
   Call: (183) [system] '('=(;)
   Fail: (183) [system] '('=(;)
   Call: (183) [system] '('=(/)
   Fail: (183) [system] '('=(/)
^  Call: (183) [user] is_like_space('(')
   Call: (184) [system] char_type('(', 'white')
   Fail: (184) [system] char_type('(', 'white')
   Call: (184) [system] char_type('(', end_of_line)
   Fail: (184) [system] char_type('(', end_of_line)
   Call: (184) [system] char_type('(', space)
   Fail: (184) [system] char_type('(', space)
   Call: (184) [system] char_type('(', cntrl)
   Fail: (184) [system] char_type('(', cntrl)
^  Fail: (183) [user] is_like_space('(')
^  Exit: (182) [user] skip_spaces((0x55772f068e50))
^  Exit: (181) [user] skip_spaces((0x55772f068e50))
   Call: (181) [system] get_char((0x55772f068e50), _335868)
   Exit: (181) [system] get_char((0x55772f068e50), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x55772f068e50), _238016)
^  Call: (182) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _341438)
   Exit: (183) [system] peek_char((0x55772f068e50), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _357448)
   Exit: (182) [system] peek_char((0x55772f068e50), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x55772f068e50), _363018)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _364876)
   Exit: (184) [system] peek_char((0x55772f068e50), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] get_char((0x55772f068e50), _380886)
   Exit: (183) [system] get_char((0x55772f068e50), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x55772f068e50), =, _363018)
^  Call: (184) [user] read_symbolic_cont(')', (0x55772f068e50), _398528)
   Call: (185) [system] peek_char((0x55772f068e50), _399462)
   Exit: (185) [system] peek_char((0x55772f068e50), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _398528=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _363018)
^  Call: (185) [user] classify_and_convert_charseq_([=], _408746)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_409698, _409700), once(user:catch(read_from_chars([=], _408746), _409680, fail)), '$restore_trace'(_409698, _409700))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_409698, _409700))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _409680, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _363018=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x55772f068e50), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x55772f068e50), =)
^  Call: (182) [user] read_list(')', (0x55772f068e50), _421826)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _423684)
   Exit: (184) [system] peek_char((0x55772f068e50), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x55772f068e50), _433278)
   Exit: (184) [system] get_char((0x55772f068e50), ' ')
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _435982)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _452916)
   Exit: (183) [system] peek_char((0x55772f068e50), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x55772f068e50), _458486)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _460344)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] get_char((0x55772f068e50), _476354)
   Exit: (184) [system] get_char((0x55772f068e50), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x55772f068e50), _458486)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _481924)
   Exit: (186) [system] peek_char((0x55772f068e50), s)
   Call: (186) [system] s=(;)
   Fail: (186) [system] s=(;)
   Call: (186) [system] s=(/)
   Fail: (186) [system] s=(/)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Fail: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Fail: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Fail: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
   Fail: (187) [system] char_type(s, cntrl)
^  Fail: (186) [user] is_like_space(s)
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _497934)
   Exit: (185) [system] peek_char((0x55772f068e50), s)
   Call: (185) [system] s=')'
   Fail: (185) [system] s=')'
   Call: (185) [system] s=end_of_file
   Fail: (185) [system] s=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x55772f068e50), _503504)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _505362)
   Exit: (187) [system] peek_char((0x55772f068e50), s)
   Call: (187) [system] s=(;)
   Fail: (187) [system] s=(;)
   Call: (187) [system] s=(/)
   Fail: (187) [system] s=(/)
^  Call: (187) [user] is_like_space(s)
   Call: (188) [system] char_type(s, 'white')
   Fail: (188) [system] char_type(s, 'white')
   Call: (188) [system] char_type(s, end_of_line)
   Fail: (188) [system] char_type(s, end_of_line)
   Call: (188) [system] char_type(s, space)
   Fail: (188) [system] char_type(s, space)
   Call: (188) [system] char_type(s, cntrl)
   Fail: (188) [system] char_type(s, cntrl)
^  Fail: (187) [user] is_like_space(s)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] get_char((0x55772f068e50), _521372)
   Exit: (186) [system] get_char((0x55772f068e50), s)
   Call: (186) [system] s='('
   Fail: (186) [system] s='('
   Call: (186) [system] s='['
   Fail: (186) [system] s='['
   Call: (186) [system] s='{'
   Fail: (186) [system] s='{'
   Call: (186) [system] s='"'
   Fail: (186) [system] s='"'
   Call: (186) [system] s=!
   Fail: (186) [system] s=!
   Call: (186) [system] s='\''
   Fail: (186) [system] s='\''
   Call: (186) [system] s='`'
   Fail: (186) [system] s='`'
   Call: (186) [system] s=end_of_file
   Fail: (186) [system] s=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x55772f068e50), s, _503504)
^  Call: (187) [user] read_symbolic_cont(')', (0x55772f068e50), _539014)
   Call: (188) [system] peek_char((0x55772f068e50), _539948)
   Exit: (188) [system] peek_char((0x55772f068e50), y)
^  Call: (188) [user] is_delimiter(y)
   Call: (189) [system] char_type(y, space)
   Fail: (189) [system] char_type(y, space)
   Call: (189) [system] arg(_544668, v('(', ')', end_of_file), y)
   Fail: (189) [system] arg(_545600, v('(', ')', end_of_file), y)
^  Fail: (188) [user] is_delimiter(y)
   Call: (188) [system] ')'==y
   Fail: (188) [system] ')'==y
   Call: (188) [system] get_char((0x55772f068e50), y)
   Exit: (188) [system] get_char((0x55772f068e50), y)
   Call: (188) [system] y=(\)
   Fail: (188) [system] y=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _552950)
   Call: (189) [system] peek_char((0x55772f068e50), _553884)
   Exit: (189) [system] peek_char((0x55772f068e50), n)
^  Call: (189) [user] is_delimiter(n)
   Call: (190) [system] char_type(n, space)
   Fail: (190) [system] char_type(n, space)
   Call: (190) [system] arg(_558604, v('(', ')', end_of_file), n)
   Fail: (190) [system] arg(_559536, v('(', ')', end_of_file), n)
^  Fail: (189) [user] is_delimiter(n)
   Call: (189) [system] ')'==n
   Fail: (189) [system] ')'==n
   Call: (189) [system] get_char((0x55772f068e50), n)
   Exit: (189) [system] get_char((0x55772f068e50), n)
   Call: (189) [system] n=(\)
   Fail: (189) [system] n=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _566886)
   Call: (190) [system] peek_char((0x55772f068e50), _567820)
   Exit: (190) [system] peek_char((0x55772f068e50), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_572540, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_573472, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x55772f068e50), t)
   Exit: (190) [system] get_char((0x55772f068e50), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _580822)
   Call: (191) [system] peek_char((0x55772f068e50), _581756)
   Exit: (191) [system] peek_char((0x55772f068e50), h)
^  Call: (191) [user] is_delimiter(h)
   Call: (192) [system] char_type(h, space)
   Fail: (192) [system] char_type(h, space)
   Call: (192) [system] arg(_586476, v('(', ')', end_of_file), h)
   Fail: (192) [system] arg(_587408, v('(', ')', end_of_file), h)
^  Fail: (191) [user] is_delimiter(h)
   Call: (191) [system] ')'==h
   Fail: (191) [system] ')'==h
   Call: (191) [system] get_char((0x55772f068e50), h)
   Exit: (191) [system] get_char((0x55772f068e50), h)
   Call: (191) [system] h=(\)
   Fail: (191) [system] h=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _594758)
   Call: (192) [system] peek_char((0x55772f068e50), _595692)
   Exit: (192) [system] peek_char((0x55772f068e50), e)
^  Call: (192) [user] is_delimiter(e)
   Call: (193) [system] char_type(e, space)
   Fail: (193) [system] char_type(e, space)
   Call: (193) [system] arg(_600412, v('(', ')', end_of_file), e)
   Fail: (193) [system] arg(_601344, v('(', ')', end_of_file), e)
^  Fail: (192) [user] is_delimiter(e)
   Call: (192) [system] ')'==e
   Fail: (192) [system] ')'==e
   Call: (192) [system] get_char((0x55772f068e50), e)
   Exit: (192) [system] get_char((0x55772f068e50), e)
   Call: (192) [system] e=(\)
   Fail: (192) [system] e=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _608694)
   Call: (193) [system] peek_char((0x55772f068e50), _609628)
   Exit: (193) [system] peek_char((0x55772f068e50), s)
^  Call: (193) [user] is_delimiter(s)
   Call: (194) [system] char_type(s, space)
   Fail: (194) [system] char_type(s, space)
   Call: (194) [system] arg(_614348, v('(', ')', end_of_file), s)
   Fail: (194) [system] arg(_615280, v('(', ')', end_of_file), s)
^  Fail: (193) [user] is_delimiter(s)
   Call: (193) [system] ')'==s
   Fail: (193) [system] ')'==s
   Call: (193) [system] get_char((0x55772f068e50), s)
   Exit: (193) [system] get_char((0x55772f068e50), s)
   Call: (193) [system] s=(\)
   Fail: (193) [system] s=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _622630)
   Call: (194) [system] peek_char((0x55772f068e50), _623564)
   Exit: (194) [system] peek_char((0x55772f068e50), i)
^  Call: (194) [user] is_delimiter(i)
   Call: (195) [system] char_type(i, space)
   Fail: (195) [system] char_type(i, space)
   Call: (195) [system] arg(_628284, v('(', ')', end_of_file), i)
   Fail: (195) [system] arg(_629216, v('(', ')', end_of_file), i)
^  Fail: (194) [user] is_delimiter(i)
   Call: (194) [system] ')'==i
   Fail: (194) [system] ')'==i
   Call: (194) [system] get_char((0x55772f068e50), i)
   Exit: (194) [system] get_char((0x55772f068e50), i)
   Call: (194) [system] i=(\)
   Fail: (194) [system] i=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _636566)
   Call: (195) [system] peek_char((0x55772f068e50), _637500)
   Exit: (195) [system] peek_char((0x55772f068e50), z)
^  Call: (195) [user] is_delimiter(z)
   Call: (196) [system] char_type(z, space)
   Fail: (196) [system] char_type(z, space)
   Call: (196) [system] arg(_642220, v('(', ')', end_of_file), z)
   Fail: (196) [system] arg(_643152, v('(', ')', end_of_file), z)
^  Fail: (195) [user] is_delimiter(z)
   Call: (195) [system] ')'==z
   Fail: (195) [system] ')'==z
   Call: (195) [system] get_char((0x55772f068e50), z)
   Exit: (195) [system] get_char((0x55772f068e50), z)
   Call: (195) [system] z=(\)
   Fail: (195) [system] z=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _650502)
   Call: (196) [system] peek_char((0x55772f068e50), _651436)
   Exit: (196) [system] peek_char((0x55772f068e50), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Fail: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_656156, v('(', ')', end_of_file), e)
   Fail: (197) [system] arg(_657088, v('(', ')', end_of_file), e)
^  Fail: (196) [user] is_delimiter(e)
   Call: (196) [system] ')'==e
   Fail: (196) [system] ')'==e
   Call: (196) [system] get_char((0x55772f068e50), e)
   Exit: (196) [system] get_char((0x55772f068e50), e)
   Call: (196) [system] e=(\)
   Fail: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _664438)
   Call: (197) [system] peek_char((0x55772f068e50), _665372)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _664438=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (196) [system] _650502=[e]
   Exit: (196) [system] [e]=[e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (195) [system] _636566=[z, e]
   Exit: (195) [system] [z, e]=[z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [z, e])
   Call: (194) [system] _622630=[i, z, e]
   Exit: (194) [system] [i, z, e]=[i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [i, z, e])
   Call: (193) [system] _608694=[s, i, z, e]
   Exit: (193) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [s, i, z, e])
   Call: (192) [system] _594758=[e, s, i, z, e]
   Exit: (192) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [e, s, i, z, e])
   Call: (191) [system] _580822=[h, e, s, i, z, e]
   Exit: (191) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [h, e, s, i, z, e])
   Call: (190) [system] _566886=[t, h, e, s, i, z, e]
   Exit: (190) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [t, h, e, s, i, z, e])
   Call: (189) [system] _552950=[n, t, h, e, s, i, z, e]
   Exit: (189) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, h, e, s, i, z, e])
   Call: (188) [system] _539014=[y, n, t, h, e, s, i, z, e]
   Exit: (188) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (187) [user] read_symbolic_cont(')', (0x55772f068e50), [y, n, t, h, e, s, i, z, e])
^  Call: (187) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _503504)
^  Call: (188) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _699802)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_700754, _700756), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _699802), _700736, fail)), '$restore_trace'(_700754, _700756))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_700754, _700756))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _700736, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(synthesize)
   Exit: (189) [system] atomic(synthesize)
^  Exit: (188) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (188) [system] integer(synthesize)
   Fail: (188) [system] integer(synthesize)
   Call: (188) [system] _503504=synthesize
   Exit: (188) [system] synthesize=synthesize
^  Exit: (187) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (186) [user] read_symbolic(')', (0x55772f068e50), s, synthesize)
^  Exit: (185) [user] cont_sexpr(')', (0x55772f068e50), synthesize)
^  Call: (185) [user] read_list(')', (0x55772f068e50), _712882)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _714740)
   Exit: (187) [system] peek_char((0x55772f068e50), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x55772f068e50), _724334)
   Exit: (187) [system] get_char((0x55772f068e50), ' ')
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _727038)
   Exit: (188) [system] peek_char((0x55772f068e50), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
   Call: (188) [system] ($)=(/)
   Fail: (188) [system] ($)=(/)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _743972)
   Exit: (186) [system] peek_char((0x55772f068e50), $)
   Call: (186) [system] ($)=')'
   Fail: (186) [system] ($)=')'
   Call: (186) [system] ($)=end_of_file
   Fail: (186) [system] ($)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x55772f068e50), _749542)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _751400)
   Exit: (188) [system] peek_char((0x55772f068e50), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
   Call: (188) [system] ($)=(/)
   Fail: (188) [system] ($)=(/)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] get_char((0x55772f068e50), _767410)
   Exit: (187) [system] get_char((0x55772f068e50), $)
   Call: (187) [system] ($)='('
   Fail: (187) [system] ($)='('
   Call: (187) [system] ($)='['
   Fail: (187) [system] ($)='['
   Call: (187) [system] ($)='{'
   Fail: (187) [system] ($)='{'
   Call: (187) [system] ($)='"'
   Fail: (187) [system] ($)='"'
   Call: (187) [system] ($)=!
   Fail: (187) [system] ($)=!
   Call: (187) [system] ($)='\''
   Fail: (187) [system] ($)='\''
   Call: (187) [system] ($)='`'
   Fail: (187) [system] ($)='`'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x55772f068e50), $, _749542)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _785052)
   Call: (189) [system] peek_char((0x55772f068e50), _785986)
   Exit: (189) [system] peek_char((0x55772f068e50), q)
^  Call: (189) [user] is_delimiter(q)
   Call: (190) [system] char_type(q, space)
   Fail: (190) [system] char_type(q, space)
   Call: (190) [system] arg(_790706, v('(', ')', end_of_file), q)
   Fail: (190) [system] arg(_791638, v('(', ')', end_of_file), q)
^  Fail: (189) [user] is_delimiter(q)
   Call: (189) [system] ')'==q
   Fail: (189) [system] ')'==q
   Call: (189) [system] get_char((0x55772f068e50), q)
   Exit: (189) [system] get_char((0x55772f068e50), q)
   Call: (189) [system] q=(\)
   Fail: (189) [system] q=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _798988)
   Call: (190) [system] peek_char((0x55772f068e50), _799922)
   Exit: (190) [system] peek_char((0x55772f068e50), u)
^  Call: (190) [user] is_delimiter(u)
   Call: (191) [system] char_type(u, space)
   Fail: (191) [system] char_type(u, space)
   Call: (191) [system] arg(_804642, v('(', ')', end_of_file), u)
   Fail: (191) [system] arg(_805574, v('(', ')', end_of_file), u)
^  Fail: (190) [user] is_delimiter(u)
   Call: (190) [system] ')'==u
   Fail: (190) [system] ')'==u
   Call: (190) [system] get_char((0x55772f068e50), u)
   Exit: (190) [system] get_char((0x55772f068e50), u)
   Call: (190) [system] u=(\)
   Fail: (190) [system] u=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _812924)
   Call: (191) [system] peek_char((0x55772f068e50), _813858)
   Exit: (191) [system] peek_char((0x55772f068e50), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Fail: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_818578, v('(', ')', end_of_file), e)
   Fail: (192) [system] arg(_819510, v('(', ')', end_of_file), e)
^  Fail: (191) [user] is_delimiter(e)
   Call: (191) [system] ')'==e
   Fail: (191) [system] ')'==e
   Call: (191) [system] get_char((0x55772f068e50), e)
   Exit: (191) [system] get_char((0x55772f068e50), e)
   Call: (191) [system] e=(\)
   Fail: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _826860)
   Call: (192) [system] peek_char((0x55772f068e50), _827794)
   Exit: (192) [system] peek_char((0x55772f068e50), r)
^  Call: (192) [user] is_delimiter(r)
   Call: (193) [system] char_type(r, space)
   Fail: (193) [system] char_type(r, space)
   Call: (193) [system] arg(_832514, v('(', ')', end_of_file), r)
   Fail: (193) [system] arg(_833446, v('(', ')', end_of_file), r)
^  Fail: (192) [user] is_delimiter(r)
   Call: (192) [system] ')'==r
   Fail: (192) [system] ')'==r
   Call: (192) [system] get_char((0x55772f068e50), r)
   Exit: (192) [system] get_char((0x55772f068e50), r)
   Call: (192) [system] r=(\)
   Fail: (192) [system] r=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _840796)
   Call: (193) [system] peek_char((0x55772f068e50), _841730)
   Exit: (193) [system] peek_char((0x55772f068e50), y)
^  Call: (193) [user] is_delimiter(y)
   Call: (194) [system] char_type(y, space)
   Fail: (194) [system] char_type(y, space)
   Call: (194) [system] arg(_846450, v('(', ')', end_of_file), y)
   Fail: (194) [system] arg(_847382, v('(', ')', end_of_file), y)
^  Fail: (193) [user] is_delimiter(y)
   Call: (193) [system] ')'==y
   Fail: (193) [system] ')'==y
   Call: (193) [system] get_char((0x55772f068e50), y)
   Exit: (193) [system] get_char((0x55772f068e50), y)
   Call: (193) [system] y=(\)
   Fail: (193) [system] y=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _854732)
   Call: (194) [system] peek_char((0x55772f068e50), _855666)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _854732=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (193) [system] _840796=[y]
   Exit: (193) [system] [y]=[y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [y])
   Call: (192) [system] _826860=[r, y]
   Exit: (192) [system] [r, y]=[r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [r, y])
   Call: (191) [system] _812924=[e, r, y]
   Exit: (191) [system] [e, r, y]=[e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [e, r, y])
   Call: (190) [system] _798988=[u, e, r, y]
   Exit: (190) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [u, e, r, y])
   Call: (189) [system] _785052=[q, u, e, r, y]
   Exit: (189) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [q, u, e, r, y])
^  Call: (188) [user] classify_and_convert_charseq([$, q, u, e, r, y], _749542)
^  Call: (189) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _878920)
   Call: (190) [system] atom_chars(_879852, ['_', q, u, e, r, y])
   Exit: (190) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (189) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (189) [system] integer(_query)
   Fail: (189) [system] integer(_query)
   Call: (189) [system] _749542=_query
   Exit: (189) [system] _query=_query
^  Exit: (188) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (187) [user] read_symbolic(')', (0x55772f068e50), $, _query)
^  Exit: (186) [user] cont_sexpr(')', (0x55772f068e50), _query)
^  Call: (186) [user] read_list(')', (0x55772f068e50), _889144)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _891002)
   Exit: (188) [system] peek_char((0x55772f068e50), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x55772f068e50), _900596)
   Exit: (188) [system] get_char((0x55772f068e50), ' ')
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _903300)
   Exit: (189) [system] peek_char((0x55772f068e50), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _920234)
   Exit: (187) [system] peek_char((0x55772f068e50), $)
   Call: (187) [system] ($)=')'
   Fail: (187) [system] ($)=')'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x55772f068e50), _925804)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _927662)
   Exit: (189) [system] peek_char((0x55772f068e50), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] get_char((0x55772f068e50), _943672)
   Exit: (188) [system] get_char((0x55772f068e50), $)
   Call: (188) [system] ($)='('
   Fail: (188) [system] ($)='('
   Call: (188) [system] ($)='['
   Fail: (188) [system] ($)='['
   Call: (188) [system] ($)='{'
   Fail: (188) [system] ($)='{'
   Call: (188) [system] ($)='"'
   Fail: (188) [system] ($)='"'
   Call: (188) [system] ($)=!
   Fail: (188) [system] ($)=!
   Call: (188) [system] ($)='\''
   Fail: (188) [system] ($)='\''
   Call: (188) [system] ($)='`'
   Fail: (188) [system] ($)='`'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x55772f068e50), $, _925804)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _961314)
   Call: (190) [system] peek_char((0x55772f068e50), _962248)
   Exit: (190) [system] peek_char((0x55772f068e50), k)
^  Call: (190) [user] is_delimiter(k)
   Call: (191) [system] char_type(k, space)
   Fail: (191) [system] char_type(k, space)
   Call: (191) [system] arg(_966968, v('(', ')', end_of_file), k)
   Fail: (191) [system] arg(_967900, v('(', ')', end_of_file), k)
^  Fail: (190) [user] is_delimiter(k)
   Call: (190) [system] ')'==k
   Fail: (190) [system] ')'==k
   Call: (190) [system] get_char((0x55772f068e50), k)
   Exit: (190) [system] get_char((0x55772f068e50), k)
   Call: (190) [system] k=(\)
   Fail: (190) [system] k=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _975250)
   Call: (191) [system] peek_char((0x55772f068e50), _976184)
   Exit: (191) [system] peek_char((0x55772f068e50), b)
^  Call: (191) [user] is_delimiter(b)
   Call: (192) [system] char_type(b, space)
   Fail: (192) [system] char_type(b, space)
   Call: (192) [system] arg(_980904, v('(', ')', end_of_file), b)
   Fail: (192) [system] arg(_981836, v('(', ')', end_of_file), b)
^  Fail: (191) [user] is_delimiter(b)
   Call: (191) [system] ')'==b
   Fail: (191) [system] ')'==b
   Call: (191) [system] get_char((0x55772f068e50), b)
   Exit: (191) [system] get_char((0x55772f068e50), b)
   Call: (191) [system] b=(\)
   Fail: (191) [system] b=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _989186)
   Call: (192) [system] peek_char((0x55772f068e50), _990120)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _989186=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (191) [system] _975250=[b]
   Exit: (191) [system] [b]=[b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (190) [system] _961314=[k, b]
   Exit: (190) [system] [k, b]=[k, b]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [k, b])
^  Call: (189) [user] classify_and_convert_charseq([$, k, b], _925804)
^  Call: (190) [user] classify_and_convert_charseq_([$, k, b], _1004992)
   Call: (191) [system] atom_chars(_1005924, ['_', k, b])
   Exit: (191) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (190) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (190) [system] integer(_kb)
   Fail: (190) [system] integer(_kb)
   Call: (190) [system] _925804=_kb
   Exit: (190) [system] _kb=_kb
^  Exit: (189) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (188) [user] read_symbolic(')', (0x55772f068e50), $, _kb)
^  Exit: (187) [user] cont_sexpr(')', (0x55772f068e50), _kb)
^  Call: (187) [user] read_list(')', (0x55772f068e50), _1015216)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1017074)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x55772f068e50), _1026668)
   Exit: (189) [system] get_char((0x55772f068e50), ' ')
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1029372)
   Exit: (190) [system] peek_char((0x55772f068e50), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1046306)
   Exit: (188) [system] peek_char((0x55772f068e50), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x55772f068e50), _1051876)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1053734)
   Exit: (190) [system] peek_char((0x55772f068e50), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] get_char((0x55772f068e50), _1069744)
   Exit: (189) [system] get_char((0x55772f068e50), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x55772f068e50), $, _1051876)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _1087386)
   Call: (191) [system] peek_char((0x55772f068e50), _1088320)
   Exit: (191) [system] peek_char((0x55772f068e50), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_1093040, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_1093972, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x55772f068e50), r)
   Exit: (191) [system] get_char((0x55772f068e50), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _1101322)
   Call: (192) [system] peek_char((0x55772f068e50), _1102256)
   Exit: (192) [system] peek_char((0x55772f068e50), b)
^  Call: (192) [user] is_delimiter(b)
   Call: (193) [system] char_type(b, space)
   Fail: (193) [system] char_type(b, space)
   Call: (193) [system] arg(_1106976, v('(', ')', end_of_file), b)
   Fail: (193) [system] arg(_1107908, v('(', ')', end_of_file), b)
^  Fail: (192) [user] is_delimiter(b)
   Call: (192) [system] ')'==b
   Fail: (192) [system] ')'==b
   Call: (192) [system] get_char((0x55772f068e50), b)
   Exit: (192) [system] get_char((0x55772f068e50), b)
   Call: (192) [system] b=(\)
   Fail: (192) [system] b=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _1115258)
   Call: (193) [system] peek_char((0x55772f068e50), _1116192)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
^  Call: (193) [user] is_delimiter(' ')
   Call: (194) [system] char_type(' ', space)
   Exit: (194) [system] char_type(' ', space)
^  Exit: (193) [user] is_delimiter(' ')
   Call: (193) [system] _1115258=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (192) [system] _1101322=[b]
   Exit: (192) [system] [b]=[b]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (191) [system] _1087386=[r, b]
   Exit: (191) [system] [r, b]=[r, b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [r, b])
^  Call: (190) [user] classify_and_convert_charseq([$, r, b], _1051876)
^  Call: (191) [user] classify_and_convert_charseq_([$, r, b], _1131064)
   Call: (192) [system] atom_chars(_1131996, ['_', r, b])
   Exit: (192) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (191) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (191) [system] integer(_rb)
   Fail: (191) [system] integer(_rb)
   Call: (191) [system] _1051876=_rb
   Exit: (191) [system] _rb=_rb
^  Exit: (190) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (189) [user] read_symbolic(')', (0x55772f068e50), $, _rb)
^  Exit: (188) [user] cont_sexpr(')', (0x55772f068e50), _rb)
^  Call: (188) [user] read_list(')', (0x55772f068e50), _1141288)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1143146)
   Exit: (190) [system] peek_char((0x55772f068e50), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x55772f068e50), _1152740)
   Exit: (190) [system] get_char((0x55772f068e50), ' ')
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1155444)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1172378)
   Exit: (189) [system] peek_char((0x55772f068e50), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x55772f068e50), _1177948)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1179806)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] get_char((0x55772f068e50), _1195816)
   Exit: (190) [system] get_char((0x55772f068e50), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x55772f068e50), _1177948)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1201386)
   Exit: (192) [system] peek_char((0x55772f068e50), 'S')
   Call: (192) [system] 'S'=(;)
   Fail: (192) [system] 'S'=(;)
   Call: (192) [system] 'S'=(/)
   Fail: (192) [system] 'S'=(/)
^  Call: (192) [user] is_like_space('S')
   Call: (193) [system] char_type('S', 'white')
   Fail: (193) [system] char_type('S', 'white')
   Call: (193) [system] char_type('S', end_of_line)
   Fail: (193) [system] char_type('S', end_of_line)
   Call: (193) [system] char_type('S', space)
   Fail: (193) [system] char_type('S', space)
   Call: (193) [system] char_type('S', cntrl)
   Fail: (193) [system] char_type('S', cntrl)
^  Fail: (192) [user] is_like_space('S')
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1217396)
   Exit: (191) [system] peek_char((0x55772f068e50), 'S')
   Call: (191) [system] 'S'=')'
   Fail: (191) [system] 'S'=')'
   Call: (191) [system] 'S'=end_of_file
   Fail: (191) [system] 'S'=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x55772f068e50), _1222966)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1224824)
   Exit: (193) [system] peek_char((0x55772f068e50), 'S')
   Call: (193) [system] 'S'=(;)
   Fail: (193) [system] 'S'=(;)
   Call: (193) [system] 'S'=(/)
   Fail: (193) [system] 'S'=(/)
^  Call: (193) [user] is_like_space('S')
   Call: (194) [system] char_type('S', 'white')
   Fail: (194) [system] char_type('S', 'white')
   Call: (194) [system] char_type('S', end_of_line)
   Fail: (194) [system] char_type('S', end_of_line)
   Call: (194) [system] char_type('S', space)
   Fail: (194) [system] char_type('S', space)
   Call: (194) [system] char_type('S', cntrl)
   Fail: (194) [system] char_type('S', cntrl)
^  Fail: (193) [user] is_like_space('S')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] get_char((0x55772f068e50), _1240834)
   Exit: (192) [system] get_char((0x55772f068e50), 'S')
   Call: (192) [system] 'S'='('
   Fail: (192) [system] 'S'='('
   Call: (192) [system] 'S'='['
   Fail: (192) [system] 'S'='['
   Call: (192) [system] 'S'='{'
   Fail: (192) [system] 'S'='{'
   Call: (192) [system] 'S'='"'
   Fail: (192) [system] 'S'='"'
   Call: (192) [system] 'S'=!
   Fail: (192) [system] 'S'=!
   Call: (192) [system] 'S'='\''
   Fail: (192) [system] 'S'='\''
   Call: (192) [system] 'S'='`'
   Fail: (192) [system] 'S'='`'
   Call: (192) [system] 'S'=end_of_file
   Fail: (192) [system] 'S'=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x55772f068e50), 'S', _1222966)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _1258476)
   Call: (194) [system] peek_char((0x55772f068e50), _1259410)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1258476=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (193) [user] classify_and_convert_charseq(['S'], _1222966)
^  Call: (194) [user] classify_and_convert_charseq_(['S'], _1268694)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1269646, _1269648), once(user:catch(read_from_chars(['S'], _1268694), _1269628, fail)), '$restore_trace'(_1269646, _1269648))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1269646, _1269648))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _1268694), _1269628, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(_1268694)
   Fail: (195) [system] atomic(_1268694)
   Call: (195) [system] atom_chars(_1268694, ['S'])
   Exit: (195) [system] atom_chars('S', ['S'])
^  Exit: (194) [user] classify_and_convert_charseq_(['S'], 'S')
   Call: (194) [system] integer('S')
   Fail: (194) [system] integer('S')
   Call: (194) [system] _1222966='S'
   Exit: (194) [system] 'S'='S'
^  Exit: (193) [user] classify_and_convert_charseq(['S'], 'S')
^  Exit: (192) [user] read_symbolic(')', (0x55772f068e50), 'S', 'S')
^  Exit: (191) [user] cont_sexpr(')', (0x55772f068e50), 'S')
^  Call: (191) [user] read_list(')', (0x55772f068e50), _1283644)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1285502)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _1295096)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1297800)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1314734)
   Exit: (192) [system] peek_char((0x55772f068e50), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _1320304)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1322162)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _1338172)
   Exit: (193) [system] get_char((0x55772f068e50), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x55772f068e50), $, _1320304)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _1355814)
   Call: (195) [system] peek_char((0x55772f068e50), _1356748)
   Exit: (195) [system] peek_char((0x55772f068e50), k)
^  Call: (195) [user] is_delimiter(k)
   Call: (196) [system] char_type(k, space)
   Fail: (196) [system] char_type(k, space)
   Call: (196) [system] arg(_1361468, v('(', ')', end_of_file), k)
   Fail: (196) [system] arg(_1362400, v('(', ')', end_of_file), k)
^  Fail: (195) [user] is_delimiter(k)
   Call: (195) [system] ')'==k
   Fail: (195) [system] ')'==k
   Call: (195) [system] get_char((0x55772f068e50), k)
   Exit: (195) [system] get_char((0x55772f068e50), k)
   Call: (195) [system] k=(\)
   Fail: (195) [system] k=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _1369750)
   Call: (196) [system] peek_char((0x55772f068e50), _1370684)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_1375404, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _1369750=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (195) [system] _1355814=[k]
   Exit: (195) [system] [k]=[k]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
^  Call: (194) [user] classify_and_convert_charseq([$, k], _1320304)
^  Call: (195) [user] classify_and_convert_charseq_([$, k], _1384634)
   Call: (196) [system] atom_chars(_1385566, ['_', k])
   Exit: (196) [system] atom_chars('_k', ['_', k])
^  Exit: (195) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (195) [system] integer(_k)
   Fail: (195) [system] integer(_k)
   Call: (195) [system] _1320304=_k
   Exit: (195) [system] _k=_k
^  Exit: (194) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (193) [user] read_symbolic(')', (0x55772f068e50), $, _k)
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), _k)
^  Call: (192) [user] read_list(')', (0x55772f068e50), _1394858)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1396716)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1412726)
   Exit: (193) [system] peek_char((0x55772f068e50), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x55772f068e50), _1416516)
   Exit: (193) [system] get_char((0x55772f068e50), ')')
   Call: (193) [system] _1394858=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [])
   Call: (192) [system] _1283644=[_k]
   Exit: (192) [system] [_k]=[_k]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [_k])
   Call: (191) [system] _1177948=['S', _k]
   Exit: (191) [system] ['S', _k]=['S', _k]
^  Exit: (190) [user] read_list(')', (0x55772f068e50), ['S', _k])
^  Exit: (189) [user] cont_sexpr(')', (0x55772f068e50), ['S', _k])
^  Call: (189) [user] read_list(')', (0x55772f068e50), _1427604)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1429462)
   Exit: (191) [system] peek_char((0x55772f068e50), ')')
   Call: (191) [system] ')'=(;)
   Fail: (191) [system] ')'=(;)
   Call: (191) [system] ')'=(/)
   Fail: (191) [system] ')'=(/)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Fail: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Fail: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
   Fail: (192) [system] char_type(')', cntrl)
^  Fail: (191) [user] is_like_space(')')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1445472)
   Exit: (190) [system] peek_char((0x55772f068e50), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x55772f068e50), _1449262)
   Exit: (190) [system] get_char((0x55772f068e50), ')')
   Call: (190) [system] _1427604=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x55772f068e50), [])
   Call: (189) [system] _1141288=[['S', _k]]
   Exit: (189) [system] [['S', _k]]=[['S', _k]]
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [['S', _k]])
   Call: (188) [system] _1015216=[_rb, ['S', _k]]
   Exit: (188) [system] [_rb, ['S', _k]]=[_rb, ['S', _k]]
^  Exit: (187) [user] read_list(')', (0x55772f068e50), [_rb, ['S', _k]])
   Call: (187) [system] _889144=[_kb, _rb, ['S', _k]]
   Exit: (187) [system] [_kb, _rb, ['S', _k]]=[_kb, _rb, ['S', _k]]
^  Exit: (186) [user] read_list(')', (0x55772f068e50), [_kb, _rb, ['S', _k]])
   Call: (186) [system] _712882=[_query, _kb, _rb, ['S', _k]]
   Exit: (186) [system] [_query, _kb, _rb, ['S', _k]]=[_query, _kb, _rb, ['S', _k]]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [_query, _kb, _rb, ['S', _k]])
   Call: (185) [system] _458486=[synthesize, _query, _kb, _rb, ['S', _k]]
   Exit: (185) [system] [synthesize, _query, _kb, _rb, ['S', _k]]=[synthesize, _query, _kb, _rb, ['S', _k]]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Exit: (183) [user] cont_sexpr(')', (0x55772f068e50), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (183) [user] read_list(')', (0x55772f068e50), _1468732)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1470590)
   Exit: (185) [system] peek_char((0x55772f068e50), '\n')
   Call: (185) [system] '\n'=(;)
   Fail: (185) [system] '\n'=(;)
   Call: (185) [system] '\n'=(/)
   Fail: (185) [system] '\n'=(/)
^  Call: (185) [user] is_like_space('\n')
   Call: (186) [system] char_type('\n', 'white')
   Fail: (186) [system] char_type('\n', 'white')
   Call: (186) [system] char_type('\n', end_of_line)
   Exit: (186) [system] char_type('\n', end_of_line)
^  Exit: (185) [user] is_like_space('\n')
   Call: (185) [system] get_char((0x55772f068e50), _1482040)
   Exit: (185) [system] get_char((0x55772f068e50), '\n')
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1484744)
   Exit: (186) [system] peek_char((0x55772f068e50), ' ')
   Call: (186) [system] ' '=(;)
   Fail: (186) [system] ' '=(;)
   Call: (186) [system] ' '=(/)
   Fail: (186) [system] ' '=(/)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x55772f068e50), _1494338)
   Exit: (186) [system] get_char((0x55772f068e50), ' ')
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1497042)
   Exit: (187) [system] peek_char((0x55772f068e50), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x55772f068e50), _1506636)
   Exit: (187) [system] get_char((0x55772f068e50), ' ')
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1509340)
   Exit: (188) [system] peek_char((0x55772f068e50), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x55772f068e50), _1518934)
   Exit: (188) [system] get_char((0x55772f068e50), ' ')
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1521638)
   Exit: (189) [system] peek_char((0x55772f068e50), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _1541344)
   Exit: (184) [system] peek_char((0x55772f068e50), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x55772f068e50), _1546914)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1548772)
   Exit: (186) [system] peek_char((0x55772f068e50), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] get_char((0x55772f068e50), _1564782)
   Exit: (185) [system] get_char((0x55772f068e50), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x55772f068e50), _1546914)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1570352)
   Exit: (187) [system] peek_char((0x55772f068e50), l)
   Call: (187) [system] l=(;)
   Fail: (187) [system] l=(;)
   Call: (187) [system] l=(/)
   Fail: (187) [system] l=(/)
^  Call: (187) [user] is_like_space(l)
   Call: (188) [system] char_type(l, 'white')
   Fail: (188) [system] char_type(l, 'white')
   Call: (188) [system] char_type(l, end_of_line)
   Fail: (188) [system] char_type(l, end_of_line)
   Call: (188) [system] char_type(l, space)
   Fail: (188) [system] char_type(l, space)
   Call: (188) [system] char_type(l, cntrl)
   Fail: (188) [system] char_type(l, cntrl)
^  Fail: (187) [user] is_like_space(l)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1586362)
   Exit: (186) [system] peek_char((0x55772f068e50), l)
   Call: (186) [system] l=')'
   Fail: (186) [system] l=')'
   Call: (186) [system] l=end_of_file
   Fail: (186) [system] l=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x55772f068e50), _1591932)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1593790)
   Exit: (188) [system] peek_char((0x55772f068e50), l)
   Call: (188) [system] l=(;)
   Fail: (188) [system] l=(;)
   Call: (188) [system] l=(/)
   Fail: (188) [system] l=(/)
^  Call: (188) [user] is_like_space(l)
   Call: (189) [system] char_type(l, 'white')
   Fail: (189) [system] char_type(l, 'white')
   Call: (189) [system] char_type(l, end_of_line)
   Fail: (189) [system] char_type(l, end_of_line)
   Call: (189) [system] char_type(l, space)
   Fail: (189) [system] char_type(l, space)
   Call: (189) [system] char_type(l, cntrl)
   Fail: (189) [system] char_type(l, cntrl)
^  Fail: (188) [user] is_like_space(l)
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] get_char((0x55772f068e50), _1609800)
   Exit: (187) [system] get_char((0x55772f068e50), l)
   Call: (187) [system] l='('
   Fail: (187) [system] l='('
   Call: (187) [system] l='['
   Fail: (187) [system] l='['
   Call: (187) [system] l='{'
   Fail: (187) [system] l='{'
   Call: (187) [system] l='"'
   Fail: (187) [system] l='"'
   Call: (187) [system] l=!
   Fail: (187) [system] l=!
   Call: (187) [system] l='\''
   Fail: (187) [system] l='\''
   Call: (187) [system] l='`'
   Fail: (187) [system] l='`'
   Call: (187) [system] l=end_of_file
   Fail: (187) [system] l=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x55772f068e50), l, _1591932)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _1627442)
   Call: (189) [system] peek_char((0x55772f068e50), _1628376)
   Exit: (189) [system] peek_char((0x55772f068e50), e)
^  Call: (189) [user] is_delimiter(e)
   Call: (190) [system] char_type(e, space)
   Fail: (190) [system] char_type(e, space)
   Call: (190) [system] arg(_1633096, v('(', ')', end_of_file), e)
   Fail: (190) [system] arg(_1634028, v('(', ')', end_of_file), e)
^  Fail: (189) [user] is_delimiter(e)
   Call: (189) [system] ')'==e
   Fail: (189) [system] ')'==e
   Call: (189) [system] get_char((0x55772f068e50), e)
   Exit: (189) [system] get_char((0x55772f068e50), e)
   Call: (189) [system] e=(\)
   Fail: (189) [system] e=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _1641378)
   Call: (190) [system] peek_char((0x55772f068e50), _1642312)
   Exit: (190) [system] peek_char((0x55772f068e50), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_1647032, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_1647964, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x55772f068e50), t)
   Exit: (190) [system] get_char((0x55772f068e50), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _1655314)
   Call: (191) [system] peek_char((0x55772f068e50), _1656248)
   Exit: (191) [system] peek_char((0x55772f068e50), *)
^  Call: (191) [user] is_delimiter(*)
   Call: (192) [system] char_type(*, space)
   Fail: (192) [system] char_type(*, space)
   Call: (192) [system] arg(_1660968, v('(', ')', end_of_file), *)
   Fail: (192) [system] arg(_1661900, v('(', ')', end_of_file), *)
^  Fail: (191) [user] is_delimiter(*)
   Call: (191) [system] ')'==(*)
   Fail: (191) [system] ')'==(*)
   Call: (191) [system] get_char((0x55772f068e50), *)
   Exit: (191) [system] get_char((0x55772f068e50), *)
   Call: (191) [system] (*)=(\)
   Fail: (191) [system] (*)=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _1669250)
   Call: (192) [system] peek_char((0x55772f068e50), _1670184)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _1669250=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (191) [system] _1655314=[*]
   Exit: (191) [system] [*]=[*]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [*])
   Call: (190) [system] _1641378=[t, *]
   Exit: (190) [system] [t, *]=[t, *]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [t, *])
   Call: (189) [system] _1627442=[e, t, *]
   Exit: (189) [system] [e, t, *]=[e, t, *]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [e, t, *])
^  Call: (188) [user] classify_and_convert_charseq([l, e, t, *], _1591932)
^  Call: (189) [user] classify_and_convert_charseq_([l, e, t, *], _1687850)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1688802, _1688804), once(user:catch(read_from_chars([l, e, t, *], _1687850), _1688784, fail)), '$restore_trace'(_1688802, _1688804))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1688802, _1688804))
   Call: (190) [system] atom_chars(_3460, [l, e, t, *])
   Exit: (190) [system] atom_chars('let*', [l, e, t, *])
^  Exit: (189) [user] classify_and_convert_charseq_([l, e, t, *], 'let*')
   Call: (189) [system] integer('let*')
   Fail: (189) [system] integer('let*')
   Call: (189) [system] _3430='let*'
   Exit: (189) [system] 'let*'='let*'
^  Exit: (188) [user] classify_and_convert_charseq([l, e, t, *], 'let*')
^  Exit: (187) [user] read_symbolic(')', (0x55772f068e50), l, 'let*')
^  Exit: (186) [user] cont_sexpr(')', (0x55772f068e50), 'let*')
^  Call: (186) [user] read_list(')', (0x55772f068e50), _12826)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _14684)
   Exit: (188) [system] peek_char((0x55772f068e50), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x55772f068e50), _24278)
   Exit: (188) [system] get_char((0x55772f068e50), ' ')
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _26982)
   Exit: (189) [system] peek_char((0x55772f068e50), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _43916)
   Exit: (187) [system] peek_char((0x55772f068e50), '(')
   Call: (187) [system] '('=')'
   Fail: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
   Fail: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x55772f068e50), _49486)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _51344)
   Exit: (189) [system] peek_char((0x55772f068e50), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] get_char((0x55772f068e50), _67354)
   Exit: (188) [system] get_char((0x55772f068e50), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x55772f068e50), _49486)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _72924)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _88934)
   Exit: (189) [system] peek_char((0x55772f068e50), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x55772f068e50), _94504)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _96362)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] get_char((0x55772f068e50), _112372)
   Exit: (190) [system] get_char((0x55772f068e50), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x55772f068e50), _94504)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _117942)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _133952)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x55772f068e50), _139522)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _141380)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] get_char((0x55772f068e50), _157390)
   Exit: (192) [system] get_char((0x55772f068e50), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x55772f068e50), _139522)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _162960)
   Exit: (194) [system] peek_char((0x55772f068e50), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _178970)
   Exit: (193) [system] peek_char((0x55772f068e50), :)
   Call: (193) [system] (:)=')'
   Fail: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _184540)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _186398)
   Exit: (195) [system] peek_char((0x55772f068e50), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _202408)
   Exit: (194) [system] get_char((0x55772f068e50), :)
   Call: (194) [system] (:)='('
   Fail: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Fail: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Fail: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Fail: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Fail: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Fail: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Fail: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x55772f068e50), :, _184540)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _220050)
   Call: (196) [system] peek_char((0x55772f068e50), _220984)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _220050=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (195) [user] classify_and_convert_charseq([:], _184540)
^  Call: (196) [user] classify_and_convert_charseq_([:], _230268)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_231220, _231222), once(user:catch(read_from_chars([:], _230268), _231202, fail)), '$restore_trace'(_231220, _231222))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_231220, _231222))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _231202, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq_([:], :)
   Call: (196) [system] integer(:)
   Fail: (196) [system] integer(:)
   Call: (196) [system] _184540=(:)
   Exit: (196) [system] (:)=(:)
^  Exit: (195) [user] classify_and_convert_charseq([:], :)
^  Exit: (194) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (193) [user] read_list(')', (0x55772f068e50), _243348)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _245206)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _254800)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _257504)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _274438)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _280008)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _281866)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _297876)
   Exit: (195) [system] get_char((0x55772f068e50), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x55772f068e50), $, _280008)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _315518)
   Call: (197) [system] peek_char((0x55772f068e50), _316452)
   Exit: (197) [system] peek_char((0x55772f068e50), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_321172, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_322104, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x55772f068e50), r)
   Exit: (197) [system] get_char((0x55772f068e50), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _329454)
   Call: (198) [system] peek_char((0x55772f068e50), _330388)
   Exit: (198) [system] peek_char((0x55772f068e50), u)
^  Call: (198) [user] is_delimiter(u)
   Call: (199) [system] char_type(u, space)
   Fail: (199) [system] char_type(u, space)
   Call: (199) [system] arg(_335108, v('(', ')', end_of_file), u)
   Fail: (199) [system] arg(_336040, v('(', ')', end_of_file), u)
^  Fail: (198) [user] is_delimiter(u)
   Call: (198) [system] ')'==u
   Fail: (198) [system] ')'==u
   Call: (198) [system] get_char((0x55772f068e50), u)
   Exit: (198) [system] get_char((0x55772f068e50), u)
   Call: (198) [system] u=(\)
   Fail: (198) [system] u=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _343390)
   Call: (199) [system] peek_char((0x55772f068e50), _344324)
   Exit: (199) [system] peek_char((0x55772f068e50), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_349044, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_349976, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x55772f068e50), c)
   Exit: (199) [system] get_char((0x55772f068e50), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _357326)
   Call: (200) [system] peek_char((0x55772f068e50), _358260)
   Exit: (200) [system] peek_char((0x55772f068e50), t)
^  Call: (200) [user] is_delimiter(t)
   Call: (201) [system] char_type(t, space)
   Fail: (201) [system] char_type(t, space)
   Call: (201) [system] arg(_362980, v('(', ')', end_of_file), t)
   Fail: (201) [system] arg(_363912, v('(', ')', end_of_file), t)
^  Fail: (200) [user] is_delimiter(t)
   Call: (200) [system] ')'==t
   Fail: (200) [system] ')'==t
   Call: (200) [system] get_char((0x55772f068e50), t)
   Exit: (200) [system] get_char((0x55772f068e50), t)
   Call: (200) [system] t=(\)
   Fail: (200) [system] t=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _371262)
   Call: (201) [system] peek_char((0x55772f068e50), _372196)
   Exit: (201) [system] peek_char((0x55772f068e50), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_376916, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_377848, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x55772f068e50), o)
   Exit: (201) [system] get_char((0x55772f068e50), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _385198)
   Call: (202) [system] peek_char((0x55772f068e50), _386132)
   Exit: (202) [system] peek_char((0x55772f068e50), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_390852, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_391784, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x55772f068e50), r)
   Exit: (202) [system] get_char((0x55772f068e50), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _399134)
   Call: (203) [system] peek_char((0x55772f068e50), _400068)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _399134=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (202) [system] _385198=[r]
   Exit: (202) [system] [r]=[r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [r])
   Call: (201) [system] _371262=[o, r]
   Exit: (201) [system] [o, r]=[o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [o, r])
   Call: (200) [system] _357326=[t, o, r]
   Exit: (200) [system] [t, o, r]=[t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [t, o, r])
   Call: (199) [system] _343390=[c, t, o, r]
   Exit: (199) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, o, r])
   Call: (198) [system] _329454=[u, c, t, o, r]
   Exit: (198) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, o, r])
   Call: (197) [system] _315518=[r, u, c, t, o, r]
   Exit: (197) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [r, u, c, t, o, r])
^  Call: (196) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _280008)
^  Call: (197) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _426116)
   Call: (198) [system] atom_chars(_427048, ['_', r, u, c, t, o, r])
   Exit: (198) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (197) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _ructor)
   Call: (197) [system] integer(_ructor)
   Fail: (197) [system] integer(_ructor)
   Call: (197) [system] _280008=_ructor
   Exit: (197) [system] _ructor=_ructor
^  Exit: (196) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _ructor)
^  Exit: (195) [user] read_symbolic(')', (0x55772f068e50), $, _ructor)
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), _ructor)
^  Call: (194) [user] read_list(')', (0x55772f068e50), _436340)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _438198)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _447792)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _450496)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _467430)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _473000)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _474858)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _490868)
   Exit: (196) [system] get_char((0x55772f068e50), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x55772f068e50), _473000)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _496438)
   Exit: (198) [system] peek_char((0x55772f068e50), -)
   Call: (198) [system] (-)=(;)
   Fail: (198) [system] (-)=(;)
   Call: (198) [system] (-)=(/)
   Fail: (198) [system] (-)=(/)
^  Call: (198) [user] is_like_space(-)
   Call: (199) [system] char_type(-, 'white')
   Fail: (199) [system] char_type(-, 'white')
   Call: (199) [system] char_type(-, end_of_line)
   Fail: (199) [system] char_type(-, end_of_line)
   Call: (199) [system] char_type(-, space)
   Fail: (199) [system] char_type(-, space)
   Call: (199) [system] char_type(-, cntrl)
   Fail: (199) [system] char_type(-, cntrl)
^  Fail: (198) [user] is_like_space(-)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _512448)
   Exit: (197) [system] peek_char((0x55772f068e50), -)
   Call: (197) [system] (-)=')'
   Fail: (197) [system] (-)=')'
   Call: (197) [system] (-)=end_of_file
   Fail: (197) [system] (-)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _518018)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _519876)
   Exit: (199) [system] peek_char((0x55772f068e50), -)
   Call: (199) [system] (-)=(;)
   Fail: (199) [system] (-)=(;)
   Call: (199) [system] (-)=(/)
   Fail: (199) [system] (-)=(/)
^  Call: (199) [user] is_like_space(-)
   Call: (200) [system] char_type(-, 'white')
   Fail: (200) [system] char_type(-, 'white')
   Call: (200) [system] char_type(-, end_of_line)
   Fail: (200) [system] char_type(-, end_of_line)
   Call: (200) [system] char_type(-, space)
   Fail: (200) [system] char_type(-, space)
   Call: (200) [system] char_type(-, cntrl)
   Fail: (200) [system] char_type(-, cntrl)
^  Fail: (199) [user] is_like_space(-)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _535886)
   Exit: (198) [system] get_char((0x55772f068e50), -)
   Call: (198) [system] (-)='('
   Fail: (198) [system] (-)='('
   Call: (198) [system] (-)='['
   Fail: (198) [system] (-)='['
   Call: (198) [system] (-)='{'
   Fail: (198) [system] (-)='{'
   Call: (198) [system] (-)='"'
   Fail: (198) [system] (-)='"'
   Call: (198) [system] (-)=!
   Fail: (198) [system] (-)=!
   Call: (198) [system] (-)='\''
   Fail: (198) [system] (-)='\''
   Call: (198) [system] (-)='`'
   Fail: (198) [system] (-)='`'
   Call: (198) [system] (-)=end_of_file
   Fail: (198) [system] (-)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x55772f068e50), -, _518018)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _553528)
   Call: (200) [system] peek_char((0x55772f068e50), _554462)
   Exit: (200) [system] peek_char((0x55772f068e50), >)
^  Call: (200) [user] is_delimiter(>)
   Call: (201) [system] char_type(>, space)
   Fail: (201) [system] char_type(>, space)
   Call: (201) [system] arg(_559182, v('(', ')', end_of_file), >)
   Fail: (201) [system] arg(_560114, v('(', ')', end_of_file), >)
^  Fail: (200) [user] is_delimiter(>)
   Call: (200) [system] ')'==(>)
   Fail: (200) [system] ')'==(>)
   Call: (200) [system] get_char((0x55772f068e50), >)
   Exit: (200) [system] get_char((0x55772f068e50), >)
   Call: (200) [system] (>)=(\)
   Fail: (200) [system] (>)=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _567464)
   Call: (201) [system] peek_char((0x55772f068e50), _568398)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _567464=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (200) [system] _553528=[>]
   Exit: (200) [system] [>]=[>]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [>])
^  Call: (199) [user] classify_and_convert_charseq([-, >], _518018)
^  Call: (200) [user] classify_and_convert_charseq_([-, >], _580476)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_581428, _581430), once(user:catch(read_from_chars([-, >], _580476), _581410, fail)), '$restore_trace'(_581428, _581430))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_581428, _581430))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _581410, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(->)
   Exit: (201) [system] atomic(->)
^  Exit: (200) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (200) [system] integer(->)
   Fail: (200) [system] integer(->)
   Call: (200) [system] _518018=(->)
   Exit: (200) [system] (->)=(->)
^  Exit: (199) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (198) [user] read_symbolic(')', (0x55772f068e50), -, ->)
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), ->)
^  Call: (197) [user] read_list(')', (0x55772f068e50), _593556)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _595414)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _605008)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _607712)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _624646)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _630216)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _632074)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _648084)
   Exit: (199) [system] get_char((0x55772f068e50), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x55772f068e50), $, _630216)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _665726)
   Call: (201) [system] peek_char((0x55772f068e50), _666660)
   Exit: (201) [system] peek_char((0x55772f068e50), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_671380, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_672312, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x55772f068e50), p)
   Exit: (201) [system] get_char((0x55772f068e50), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _679662)
   Call: (202) [system] peek_char((0x55772f068e50), _680596)
   Exit: (202) [system] peek_char((0x55772f068e50), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_685316, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_686248, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x55772f068e50), r)
   Exit: (202) [system] get_char((0x55772f068e50), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _693598)
   Call: (203) [system] peek_char((0x55772f068e50), _694532)
   Exit: (203) [system] peek_char((0x55772f068e50), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_699252, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_700184, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x55772f068e50), e)
   Exit: (203) [system] get_char((0x55772f068e50), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _707534)
   Call: (204) [system] peek_char((0x55772f068e50), _708468)
   Exit: (204) [system] peek_char((0x55772f068e50), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_713188, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_714120, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x55772f068e50), m)
   Exit: (204) [system] get_char((0x55772f068e50), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _721470)
   Call: (205) [system] peek_char((0x55772f068e50), _722404)
   Exit: (205) [system] peek_char((0x55772f068e50), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_727124, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_728056, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x55772f068e50), i)
   Exit: (205) [system] get_char((0x55772f068e50), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _735406)
   Call: (206) [system] peek_char((0x55772f068e50), _736340)
   Exit: (206) [system] peek_char((0x55772f068e50), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_741060, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_741992, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x55772f068e50), s)
   Exit: (206) [system] get_char((0x55772f068e50), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _749342)
   Call: (207) [system] peek_char((0x55772f068e50), _750276)
   Exit: (207) [system] peek_char((0x55772f068e50), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_754996, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_755928, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x55772f068e50), e)
   Exit: (207) [system] get_char((0x55772f068e50), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _763278)
   Call: (208) [system] peek_char((0x55772f068e50), _764212)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _763278=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (207) [system] _749342=[e]
   Exit: (207) [system] [e]=[e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (206) [system] _735406=[s, e]
   Exit: (206) [system] [s, e]=[s, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e])
   Call: (205) [system] _721470=[i, s, e]
   Exit: (205) [system] [i, s, e]=[i, s, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e])
   Call: (204) [system] _707534=[m, i, s, e]
   Exit: (204) [system] [m, i, s, e]=[m, i, s, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e])
   Call: (203) [system] _693598=[e, m, i, s, e]
   Exit: (203) [system] [e, m, i, s, e]=[e, m, i, s, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e])
   Call: (202) [system] _679662=[r, e, m, i, s, e]
   Exit: (202) [system] [r, e, m, i, s, e]=[r, e, m, i, s, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e])
   Call: (201) [system] _665726=[p, r, e, m, i, s, e]
   Exit: (201) [system] [p, r, e, m, i, s, e]=[p, r, e, m, i, s, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e], _630216)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e], _793054)
   Call: (202) [system] atom_chars(_793986, ['_', p, r, e, m, i, s, e])
   Exit: (202) [system] atom_chars('_premise', ['_', p, r, e, m, i, s, e])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e], _premise)
   Call: (201) [system] integer(_premise)
   Fail: (201) [system] integer(_premise)
   Call: (201) [system] _630216=_premise
   Exit: (201) [system] _premise=_premise
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e], _premise)
^  Exit: (199) [user] read_symbolic(')', (0x55772f068e50), $, _premise)
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), _premise)
^  Call: (198) [user] read_list(')', (0x55772f068e50), _803278)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _805136)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _814730)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _817434)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _834368)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _839938)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _841796)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _857806)
   Exit: (200) [system] get_char((0x55772f068e50), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), $, _839938)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _875448)
   Call: (202) [system] peek_char((0x55772f068e50), _876382)
   Exit: (202) [system] peek_char((0x55772f068e50), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_881102, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_882034, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x55772f068e50), c)
   Exit: (202) [system] get_char((0x55772f068e50), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _889384)
   Call: (203) [system] peek_char((0x55772f068e50), _890318)
   Exit: (203) [system] peek_char((0x55772f068e50), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_895038, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_895970, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x55772f068e50), o)
   Exit: (203) [system] get_char((0x55772f068e50), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _903320)
   Call: (204) [system] peek_char((0x55772f068e50), _904254)
   Exit: (204) [system] peek_char((0x55772f068e50), n)
^  Call: (204) [user] is_delimiter(n)
   Call: (205) [system] char_type(n, space)
   Fail: (205) [system] char_type(n, space)
   Call: (205) [system] arg(_908974, v('(', ')', end_of_file), n)
   Fail: (205) [system] arg(_909906, v('(', ')', end_of_file), n)
^  Fail: (204) [user] is_delimiter(n)
   Call: (204) [system] ')'==n
   Fail: (204) [system] ')'==n
   Call: (204) [system] get_char((0x55772f068e50), n)
   Exit: (204) [system] get_char((0x55772f068e50), n)
   Call: (204) [system] n=(\)
   Fail: (204) [system] n=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _917256)
   Call: (205) [system] peek_char((0x55772f068e50), _918190)
   Exit: (205) [system] peek_char((0x55772f068e50), c)
^  Call: (205) [user] is_delimiter(c)
   Call: (206) [system] char_type(c, space)
   Fail: (206) [system] char_type(c, space)
   Call: (206) [system] arg(_922910, v('(', ')', end_of_file), c)
   Fail: (206) [system] arg(_923842, v('(', ')', end_of_file), c)
^  Fail: (205) [user] is_delimiter(c)
   Call: (205) [system] ')'==c
   Fail: (205) [system] ')'==c
   Call: (205) [system] get_char((0x55772f068e50), c)
   Exit: (205) [system] get_char((0x55772f068e50), c)
   Call: (205) [system] c=(\)
   Fail: (205) [system] c=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _931192)
   Call: (206) [system] peek_char((0x55772f068e50), _932126)
   Exit: (206) [system] peek_char((0x55772f068e50), l)
^  Call: (206) [user] is_delimiter(l)
   Call: (207) [system] char_type(l, space)
   Fail: (207) [system] char_type(l, space)
   Call: (207) [system] arg(_936846, v('(', ')', end_of_file), l)
   Fail: (207) [system] arg(_937778, v('(', ')', end_of_file), l)
^  Fail: (206) [user] is_delimiter(l)
   Call: (206) [system] ')'==l
   Fail: (206) [system] ')'==l
   Call: (206) [system] get_char((0x55772f068e50), l)
   Exit: (206) [system] get_char((0x55772f068e50), l)
   Call: (206) [system] l=(\)
   Fail: (206) [system] l=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _945128)
   Call: (207) [system] peek_char((0x55772f068e50), _946062)
   Exit: (207) [system] peek_char((0x55772f068e50), u)
^  Call: (207) [user] is_delimiter(u)
   Call: (208) [system] char_type(u, space)
   Fail: (208) [system] char_type(u, space)
   Call: (208) [system] arg(_950782, v('(', ')', end_of_file), u)
   Fail: (208) [system] arg(_951714, v('(', ')', end_of_file), u)
^  Fail: (207) [user] is_delimiter(u)
   Call: (207) [system] ')'==u
   Fail: (207) [system] ')'==u
   Call: (207) [system] get_char((0x55772f068e50), u)
   Exit: (207) [system] get_char((0x55772f068e50), u)
   Call: (207) [system] u=(\)
   Fail: (207) [system] u=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _959064)
   Call: (208) [system] peek_char((0x55772f068e50), _959998)
   Exit: (208) [system] peek_char((0x55772f068e50), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Fail: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_964718, v('(', ')', end_of_file), s)
   Fail: (209) [system] arg(_965650, v('(', ')', end_of_file), s)
^  Fail: (208) [user] is_delimiter(s)
   Call: (208) [system] ')'==s
   Fail: (208) [system] ')'==s
   Call: (208) [system] get_char((0x55772f068e50), s)
   Exit: (208) [system] get_char((0x55772f068e50), s)
   Call: (208) [system] s=(\)
   Fail: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _973000)
   Call: (209) [system] peek_char((0x55772f068e50), _973934)
   Exit: (209) [system] peek_char((0x55772f068e50), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_978654, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_979586, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x55772f068e50), i)
   Exit: (209) [system] get_char((0x55772f068e50), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _986936)
   Call: (210) [system] peek_char((0x55772f068e50), _987870)
   Exit: (210) [system] peek_char((0x55772f068e50), o)
^  Call: (210) [user] is_delimiter(o)
   Call: (211) [system] char_type(o, space)
   Fail: (211) [system] char_type(o, space)
   Call: (211) [system] arg(_992590, v('(', ')', end_of_file), o)
   Fail: (211) [system] arg(_993522, v('(', ')', end_of_file), o)
^  Fail: (210) [user] is_delimiter(o)
   Call: (210) [system] ')'==o
   Fail: (210) [system] ')'==o
   Call: (210) [system] get_char((0x55772f068e50), o)
   Exit: (210) [system] get_char((0x55772f068e50), o)
   Call: (210) [system] o=(\)
   Fail: (210) [system] o=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1000872)
   Call: (211) [system] peek_char((0x55772f068e50), _1001806)
   Exit: (211) [system] peek_char((0x55772f068e50), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_1006526, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_1007458, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x55772f068e50), n)
   Exit: (211) [system] get_char((0x55772f068e50), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1014808)
   Call: (212) [system] peek_char((0x55772f068e50), _1015742)
   Exit: (212) [system] peek_char((0x55772f068e50), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_1020462, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _1014808=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (211) [system] _1000872=[n]
   Exit: (211) [system] [n]=[n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (210) [system] _986936=[o, n]
   Exit: (210) [system] [o, n]=[o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (209) [system] _973000=[i, o, n]
   Exit: (209) [system] [i, o, n]=[i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (208) [system] _959064=[s, i, o, n]
   Exit: (208) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [s, i, o, n])
   Call: (207) [system] _945128=[u, s, i, o, n]
   Exit: (207) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [u, s, i, o, n])
   Call: (206) [system] _931192=[l, u, s, i, o, n]
   Exit: (206) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [l, u, s, i, o, n])
   Call: (205) [system] _917256=[c, l, u, s, i, o, n]
   Exit: (205) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [c, l, u, s, i, o, n])
   Call: (204) [system] _903320=[n, c, l, u, s, i, o, n]
   Exit: (204) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, l, u, s, i, o, n])
   Call: (203) [system] _889384=[o, n, c, l, u, s, i, o, n]
   Exit: (203) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, c, l, u, s, i, o, n])
   Call: (202) [system] _875448=[c, o, n, c, l, u, s, i, o, n]
   Exit: (202) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [c, o, n, c, l, u, s, i, o, n])
^  Call: (201) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _839938)
^  Call: (202) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _1054838)
   Call: (203) [system] atom_chars(_1055770, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (203) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (202) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
   Call: (202) [system] integer(_conclusion)
   Fail: (202) [system] integer(_conclusion)
   Call: (202) [system] _839938=_conclusion
   Exit: (202) [system] _conclusion=_conclusion
^  Exit: (201) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), $, _conclusion)
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), _conclusion)
^  Call: (199) [user] read_list(')', (0x55772f068e50), _1065062)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1066920)
   Exit: (201) [system] peek_char((0x55772f068e50), ')')
   Call: (201) [system] ')'=(;)
   Fail: (201) [system] ')'=(;)
   Call: (201) [system] ')'=(/)
   Fail: (201) [system] ')'=(/)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Fail: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Fail: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
   Fail: (202) [system] char_type(')', cntrl)
^  Fail: (201) [user] is_like_space(')')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1082930)
   Exit: (200) [system] peek_char((0x55772f068e50), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x55772f068e50), _1086720)
   Exit: (200) [system] get_char((0x55772f068e50), ')')
   Call: (200) [system] _1065062=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [])
   Call: (199) [system] _803278=[_conclusion]
   Exit: (199) [system] [_conclusion]=[_conclusion]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [_conclusion])
   Call: (198) [system] _593556=[_premise, _conclusion]
   Exit: (198) [system] [_premise, _conclusion]=[_premise, _conclusion]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [_premise, _conclusion])
   Call: (197) [system] _473000=[->, _premise, _conclusion]
   Exit: (197) [system] [->, _premise, _conclusion]=[->, _premise, _conclusion]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [->, _premise, _conclusion])
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), [->, _premise, _conclusion])
^  Call: (195) [user] read_list(')', (0x55772f068e50), _1100602)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1102460)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1118470)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x55772f068e50), _1122260)
   Exit: (196) [system] get_char((0x55772f068e50), ')')
   Call: (196) [system] _1100602=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [])
   Call: (195) [system] _436340=[[->, _premise, _conclusion]]
   Exit: (195) [system] [[->, _premise, _conclusion]]=[[->, _premise, _conclusion]]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [[->, _premise, _conclusion]])
   Call: (194) [system] _243348=[_ructor, [->, _premise, _conclusion]]
   Exit: (194) [system] [_ructor, [->, _premise, _conclusion]]=[_ructor, [->, _premise, _conclusion]]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [_ructor, [->, _premise, _conclusion]])
   Call: (193) [system] _139522=[:, _ructor, [->, _premise, _conclusion]]
   Exit: (193) [system] [:, _ructor, [->, _premise, _conclusion]]=[:, _ructor, [->, _premise, _conclusion]]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [:, _ructor, [->, _premise, _conclusion]])
^  Exit: (191) [user] cont_sexpr(')', (0x55772f068e50), [:, _ructor, [->, _premise, _conclusion]])
^  Call: (191) [user] read_list(')', (0x55772f068e50), _1136142)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1138000)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _1147594)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1150298)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1167232)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _1172802)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1174660)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _1190670)
   Exit: (193) [system] get_char((0x55772f068e50), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x55772f068e50), _1172802)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1196240)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1212250)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _1217820)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1219678)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _1235688)
   Exit: (195) [system] get_char((0x55772f068e50), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x55772f068e50), $, _1217820)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1253330)
   Call: (197) [system] peek_char((0x55772f068e50), _1254264)
   Exit: (197) [system] peek_char((0x55772f068e50), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_1258984, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_1259916, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x55772f068e50), r)
   Exit: (197) [system] get_char((0x55772f068e50), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1267266)
   Call: (198) [system] peek_char((0x55772f068e50), _1268200)
   Exit: (198) [system] peek_char((0x55772f068e50), b)
^  Call: (198) [user] is_delimiter(b)
   Call: (199) [system] char_type(b, space)
   Fail: (199) [system] char_type(b, space)
   Call: (199) [system] arg(_1272920, v('(', ')', end_of_file), b)
   Fail: (199) [system] arg(_1273852, v('(', ')', end_of_file), b)
^  Fail: (198) [user] is_delimiter(b)
   Call: (198) [system] ')'==b
   Fail: (198) [system] ')'==b
   Call: (198) [system] get_char((0x55772f068e50), b)
   Exit: (198) [system] get_char((0x55772f068e50), b)
   Call: (198) [system] b=(\)
   Fail: (198) [system] b=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1281202)
   Call: (199) [system] peek_char((0x55772f068e50), _1282136)
   Exit: (199) [system] peek_char((0x55772f068e50), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1286856, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1281202=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (198) [system] _1267266=[b]
   Exit: (198) [system] [b]=[b]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (197) [system] _1253330=[r, b]
   Exit: (197) [system] [r, b]=[r, b]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [r, b])
^  Call: (196) [user] classify_and_convert_charseq([$, r, b], _1217820)
^  Call: (197) [user] classify_and_convert_charseq_([$, r, b], _1298880)
   Call: (198) [system] atom_chars(_1299812, ['_', r, b])
   Exit: (198) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (197) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (197) [system] integer(_rb)
   Fail: (197) [system] integer(_rb)
   Call: (197) [system] _1217820=_rb
   Exit: (197) [system] _rb=_rb
^  Exit: (196) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (195) [user] read_symbolic(')', (0x55772f068e50), $, _rb)
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), _rb)
^  Call: (194) [user] read_list(')', (0x55772f068e50), _1309104)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1310962)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1326972)
   Exit: (195) [system] peek_char((0x55772f068e50), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x55772f068e50), _1330762)
   Exit: (195) [system] get_char((0x55772f068e50), ')')
   Call: (195) [system] _1309104=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [])
   Call: (194) [system] _1172802=[_rb]
   Exit: (194) [system] [_rb]=[_rb]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [_rb])
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), [_rb])
^  Call: (192) [user] read_list(')', (0x55772f068e50), _1339056)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1340914)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1356924)
   Exit: (193) [system] peek_char((0x55772f068e50), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x55772f068e50), _1360714)
   Exit: (193) [system] get_char((0x55772f068e50), ')')
   Call: (193) [system] _1339056=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [])
   Call: (192) [system] _1136142=[[_rb]]
   Exit: (192) [system] [[_rb]]=[[_rb]]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [[_rb]])
   Call: (191) [system] _94504=[[:, _ructor, [->, _premise, _conclusion]], [_rb]]
   Exit: (191) [system] [[:, _ructor, [->, _premise, _conclusion]], [_rb]]=[[:, _ructor, [->, _premise, _conclusion]], [_rb]]
^  Exit: (190) [user] read_list(')', (0x55772f068e50), [[:, _ructor, [->, _premise, _conclusion]], [_rb]])
^  Exit: (189) [user] cont_sexpr(')', (0x55772f068e50), [[:, _ructor, [->, _premise, _conclusion]], [_rb]])
^  Call: (189) [user] read_list(')', (0x55772f068e50), _1371802)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1373660)
   Exit: (191) [system] peek_char((0x55772f068e50), '\n')
   Call: (191) [system] '\n'=(;)
   Fail: (191) [system] '\n'=(;)
   Call: (191) [system] '\n'=(/)
   Fail: (191) [system] '\n'=(/)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Fail: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x55772f068e50), _1385110)
   Exit: (191) [system] get_char((0x55772f068e50), '\n')
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1387814)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x55772f068e50), _1397408)
   Exit: (192) [system] get_char((0x55772f068e50), ' ')
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1400112)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _1409706)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1412410)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _1422004)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1424708)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _1434302)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1437006)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _1446600)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1449304)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _1458898)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1461602)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _1471196)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1473900)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _1483494)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1486198)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _1495792)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1498496)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _1508090)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1510794)
   Exit: (202) [system] peek_char((0x55772f068e50), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1536968)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x55772f068e50), _1542538)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1544396)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] get_char((0x55772f068e50), _1560406)
   Exit: (191) [system] get_char((0x55772f068e50), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x55772f068e50), _1542538)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1565976)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1581986)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _1587556)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1589414)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _1605424)
   Exit: (193) [system] get_char((0x55772f068e50), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x55772f068e50), _1587556)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1610994)
   Exit: (195) [system] peek_char((0x55772f068e50), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1627004)
   Exit: (194) [system] peek_char((0x55772f068e50), :)
   Call: (194) [system] (:)=')'
   Fail: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _1632574)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1634432)
   Exit: (196) [system] peek_char((0x55772f068e50), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _1650442)
   Exit: (195) [system] get_char((0x55772f068e50), :)
   Call: (195) [system] (:)='('
   Fail: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Fail: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Fail: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Fail: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Fail: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Fail: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Fail: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x55772f068e50), :, _1632574)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1668084)
   Call: (197) [system] peek_char((0x55772f068e50), _1669018)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1668084=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (196) [user] classify_and_convert_charseq([:], _1632574)
^  Call: (197) [user] classify_and_convert_charseq_([:], _1678302)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1679254, _1679256), once(user:catch(read_from_chars([:], _1678302), _1679236, fail)), '$restore_trace'(_1679254, _1679256))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1679254, _1679256))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1679236, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq_([:], :)
   Call: (197) [system] integer(:)
   Fail: (197) [system] integer(:)
   Call: (197) [system] _1632574=(:)
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] classify_and_convert_charseq([:], :)
^  Exit: (195) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (194) [user] read_list(')', (0x55772f068e50), _1691382)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1693240)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _1702834)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1705538)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1722472)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _1728042)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1729900)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _1745910)
   Exit: (196) [system] get_char((0x55772f068e50), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x55772f068e50), _1728042)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1751480)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1767490)
   Exit: (197) [system] peek_char((0x55772f068e50), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _1773060)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1774918)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _1790928)
   Exit: (198) [system] get_char((0x55772f068e50), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x55772f068e50), $, _1773060)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1808570)
   Call: (200) [system] peek_char((0x55772f068e50), _1809504)
   Exit: (200) [system] peek_char((0x55772f068e50), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_1814224, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_1815156, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x55772f068e50), r)
   Exit: (200) [system] get_char((0x55772f068e50), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1822506)
   Call: (201) [system] peek_char((0x55772f068e50), _1823440)
   Exit: (201) [system] peek_char((0x55772f068e50), u)
^  Call: (201) [user] is_delimiter(u)
   Call: (202) [system] char_type(u, space)
   Fail: (202) [system] char_type(u, space)
   Call: (202) [system] arg(_1828160, v('(', ')', end_of_file), u)
   Fail: (202) [system] arg(_1829092, v('(', ')', end_of_file), u)
^  Fail: (201) [user] is_delimiter(u)
   Call: (201) [system] ')'==u
   Fail: (201) [system] ')'==u
   Call: (201) [system] get_char((0x55772f068e50), u)
   Exit: (201) [system] get_char((0x55772f068e50), u)
   Call: (201) [system] u=(\)
   Fail: (201) [system] u=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1836442)
   Call: (202) [system] peek_char((0x55772f068e50), _1837376)
   Exit: (202) [system] peek_char((0x55772f068e50), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_1842096, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_1843028, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x55772f068e50), c)
   Exit: (202) [system] get_char((0x55772f068e50), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1850378)
   Call: (203) [system] peek_char((0x55772f068e50), _1851312)
   Exit: (203) [system] peek_char((0x55772f068e50), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Fail: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_1856032, v('(', ')', end_of_file), t)
   Fail: (204) [system] arg(_1856964, v('(', ')', end_of_file), t)
^  Fail: (203) [user] is_delimiter(t)
   Call: (203) [system] ')'==t
   Fail: (203) [system] ')'==t
   Call: (203) [system] get_char((0x55772f068e50), t)
   Exit: (203) [system] get_char((0x55772f068e50), t)
   Call: (203) [system] t=(\)
   Fail: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1864314)
   Call: (204) [system] peek_char((0x55772f068e50), _1865248)
   Exit: (204) [system] peek_char((0x55772f068e50), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1869968, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_1870900, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x55772f068e50), o)
   Exit: (204) [system] get_char((0x55772f068e50), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1878250)
   Call: (205) [system] peek_char((0x55772f068e50), _1879184)
   Exit: (205) [system] peek_char((0x55772f068e50), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1883904, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1884836, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x55772f068e50), r)
   Exit: (205) [system] get_char((0x55772f068e50), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1892186)
   Call: (206) [system] peek_char((0x55772f068e50), _1893120)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1892186=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (205) [system] _1878250=[r]
   Exit: (205) [system] [r]=[r]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [r])
   Call: (204) [system] _1864314=[o, r]
   Exit: (204) [system] [o, r]=[o, r]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [o, r])
   Call: (203) [system] _1850378=[t, o, r]
   Exit: (203) [system] [t, o, r]=[t, o, r]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [t, o, r])
   Call: (202) [system] _1836442=[c, t, o, r]
   Exit: (202) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, o, r])
   Call: (201) [system] _1822506=[u, c, t, o, r]
   Exit: (201) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, o, r])
   Call: (200) [system] _1808570=[r, u, c, t, o, r]
   Exit: (200) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [r, u, c, t, o, r])
^  Call: (199) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _1773060)
^  Call: (200) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _1919168)
   Call: (201) [system] atom_chars(_1920100, ['_', r, u, c, t, o, r])
   Exit: (201) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (200) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _ructor)
   Call: (200) [system] integer(_ructor)
   Fail: (200) [system] integer(_ructor)
   Call: (200) [system] _1773060=_ructor
   Exit: (200) [system] _ructor=_ructor
^  Exit: (199) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _ructor)
^  Exit: (198) [user] read_symbolic(')', (0x55772f068e50), $, _ructor)
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), _ructor)
^  Call: (197) [user] read_list(')', (0x55772f068e50), _1929392)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1931250)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _1940844)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1943548)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1960482)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _1966052)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1967910)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _1983920)
   Exit: (199) [system] get_char((0x55772f068e50), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x55772f068e50), $, _1966052)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _2001562)
   Call: (201) [system] peek_char((0x55772f068e50), _2002496)
   Exit: (201) [system] peek_char((0x55772f068e50), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_2007216, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_2008148, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x55772f068e50), p)
   Exit: (201) [system] get_char((0x55772f068e50), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _2015498)
   Call: (202) [system] peek_char((0x55772f068e50), _2016432)
   Exit: (202) [system] peek_char((0x55772f068e50), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_2021152, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_2022084, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x55772f068e50), r)
   Exit: (202) [system] get_char((0x55772f068e50), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _2029434)
   Call: (203) [system] peek_char((0x55772f068e50), _2030368)
   Exit: (203) [system] peek_char((0x55772f068e50), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_2035088, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_2036020, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x55772f068e50), o)
   Exit: (203) [system] get_char((0x55772f068e50), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _2043370)
   Call: (204) [system] peek_char((0x55772f068e50), _2044304)
   Exit: (204) [system] peek_char((0x55772f068e50), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_2049024, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_2049956, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x55772f068e50), o)
   Exit: (204) [system] get_char((0x55772f068e50), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _2057306)
   Call: (205) [system] peek_char((0x55772f068e50), _2058240)
   Exit: (205) [system] peek_char((0x55772f068e50), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Fail: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_2062960, v('(', ')', end_of_file), f)
   Fail: (206) [system] arg(_2063892, v('(', ')', end_of_file), f)
^  Fail: (205) [user] is_delimiter(f)
   Call: (205) [system] ')'==f
   Fail: (205) [system] ')'==f
   Call: (205) [system] get_char((0x55772f068e50), f)
   Exit: (205) [system] get_char((0x55772f068e50), f)
   Call: (205) [system] f=(\)
   Fail: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _2071242)
   Call: (206) [system] peek_char((0x55772f068e50), _2072176)
   Exit: (206) [system] peek_char((0x55772f068e50), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_2076896, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _2071242=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (205) [system] _2057306=[f]
   Exit: (205) [system] [f]=[f]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [f])
   Call: (204) [system] _2043370=[o, f]
   Exit: (204) [system] [o, f]=[o, f]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f])
   Call: (203) [system] _2029434=[o, o, f]
   Exit: (203) [system] [o, o, f]=[o, o, f]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f])
   Call: (202) [system] _2015498=[r, o, o, f]
   Exit: (202) [system] [r, o, o, f]=[r, o, o, f]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f])
   Call: (201) [system] _2001562=[p, r, o, o, f]
   Exit: (201) [system] [p, r, o, o, f]=[p, r, o, o, f]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f], _3552)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f], _4170)
   Call: (202) [system] atom_chars(_5102, ['_', p, r, o, o, f])
   Exit: (202) [system] atom_chars('_proof', ['_', p, r, o, o, f])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f], _proof)
   Call: (201) [system] integer(_proof)
   Fail: (201) [system] integer(_proof)
   Call: (201) [system] _3552=_proof
   Exit: (201) [system] _proof=_proof
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f], _proof)
^  Exit: (199) [user] read_symbolic(')', (0x55772f068e50), $, _proof)
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), _proof)
^  Call: (198) [user] read_list(')', (0x55772f068e50), _14394)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _16252)
   Exit: (200) [system] peek_char((0x55772f068e50), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
   Call: (200) [system] ')'=(/)
   Fail: (200) [system] ')'=(/)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _32262)
   Exit: (199) [system] peek_char((0x55772f068e50), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x55772f068e50), _36052)
   Exit: (199) [system] get_char((0x55772f068e50), ')')
   Call: (199) [system] _14394=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [])
   Call: (198) [system] _3548=[_proof]
   Exit: (198) [system] [_proof]=[_proof]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [_proof])
   Call: (197) [system] _3536=[_ructor, _proof]
   Exit: (197) [system] [_ructor, _proof]=[_ructor, _proof]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [_ructor, _proof])
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), [_ructor, _proof])
^  Call: (195) [user] read_list(')', (0x55772f068e50), _47140)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _48998)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _58592)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _61296)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _78230)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _83800)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _85658)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _101668)
   Exit: (197) [system] get_char((0x55772f068e50), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x55772f068e50), $, _83800)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _119310)
   Call: (199) [system] peek_char((0x55772f068e50), _120244)
   Exit: (199) [system] peek_char((0x55772f068e50), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_124964, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_125896, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x55772f068e50), c)
   Exit: (199) [system] get_char((0x55772f068e50), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _133246)
   Call: (200) [system] peek_char((0x55772f068e50), _134180)
   Exit: (200) [system] peek_char((0x55772f068e50), o)
^  Call: (200) [user] is_delimiter(o)
   Call: (201) [system] char_type(o, space)
   Fail: (201) [system] char_type(o, space)
   Call: (201) [system] arg(_138900, v('(', ')', end_of_file), o)
   Fail: (201) [system] arg(_139832, v('(', ')', end_of_file), o)
^  Fail: (200) [user] is_delimiter(o)
   Call: (200) [system] ')'==o
   Fail: (200) [system] ')'==o
   Call: (200) [system] get_char((0x55772f068e50), o)
   Exit: (200) [system] get_char((0x55772f068e50), o)
   Call: (200) [system] o=(\)
   Fail: (200) [system] o=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _147182)
   Call: (201) [system] peek_char((0x55772f068e50), _148116)
   Exit: (201) [system] peek_char((0x55772f068e50), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_152836, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_153768, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x55772f068e50), n)
   Exit: (201) [system] get_char((0x55772f068e50), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _161118)
   Call: (202) [system] peek_char((0x55772f068e50), _162052)
   Exit: (202) [system] peek_char((0x55772f068e50), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_166772, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_167704, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x55772f068e50), c)
   Exit: (202) [system] get_char((0x55772f068e50), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _175054)
   Call: (203) [system] peek_char((0x55772f068e50), _175988)
   Exit: (203) [system] peek_char((0x55772f068e50), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Fail: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_180708, v('(', ')', end_of_file), l)
   Fail: (204) [system] arg(_181640, v('(', ')', end_of_file), l)
^  Fail: (203) [user] is_delimiter(l)
   Call: (203) [system] ')'==l
   Fail: (203) [system] ')'==l
   Call: (203) [system] get_char((0x55772f068e50), l)
   Exit: (203) [system] get_char((0x55772f068e50), l)
   Call: (203) [system] l=(\)
   Fail: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _188990)
   Call: (204) [system] peek_char((0x55772f068e50), _189924)
   Exit: (204) [system] peek_char((0x55772f068e50), u)
^  Call: (204) [user] is_delimiter(u)
   Call: (205) [system] char_type(u, space)
   Fail: (205) [system] char_type(u, space)
   Call: (205) [system] arg(_194644, v('(', ')', end_of_file), u)
   Fail: (205) [system] arg(_195576, v('(', ')', end_of_file), u)
^  Fail: (204) [user] is_delimiter(u)
   Call: (204) [system] ')'==u
   Fail: (204) [system] ')'==u
   Call: (204) [system] get_char((0x55772f068e50), u)
   Exit: (204) [system] get_char((0x55772f068e50), u)
   Call: (204) [system] u=(\)
   Fail: (204) [system] u=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _202926)
   Call: (205) [system] peek_char((0x55772f068e50), _203860)
   Exit: (205) [system] peek_char((0x55772f068e50), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_208580, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_209512, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x55772f068e50), s)
   Exit: (205) [system] get_char((0x55772f068e50), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _216862)
   Call: (206) [system] peek_char((0x55772f068e50), _217796)
   Exit: (206) [system] peek_char((0x55772f068e50), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_222516, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_223448, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x55772f068e50), i)
   Exit: (206) [system] get_char((0x55772f068e50), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _230798)
   Call: (207) [system] peek_char((0x55772f068e50), _231732)
   Exit: (207) [system] peek_char((0x55772f068e50), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_236452, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_237384, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x55772f068e50), o)
   Exit: (207) [system] get_char((0x55772f068e50), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _244734)
   Call: (208) [system] peek_char((0x55772f068e50), _245668)
   Exit: (208) [system] peek_char((0x55772f068e50), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_250388, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_251320, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x55772f068e50), n)
   Exit: (208) [system] get_char((0x55772f068e50), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _258670)
   Call: (209) [system] peek_char((0x55772f068e50), _259604)
   Exit: (209) [system] peek_char((0x55772f068e50), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_264324, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _258670=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (208) [system] _244734=[n]
   Exit: (208) [system] [n]=[n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (207) [system] _230798=[o, n]
   Exit: (207) [system] [o, n]=[o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (206) [system] _216862=[i, o, n]
   Exit: (206) [system] [i, o, n]=[i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (205) [system] _202926=[s, i, o, n]
   Exit: (205) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [s, i, o, n])
   Call: (204) [system] _188990=[u, s, i, o, n]
   Exit: (204) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [u, s, i, o, n])
   Call: (203) [system] _175054=[l, u, s, i, o, n]
   Exit: (203) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [l, u, s, i, o, n])
   Call: (202) [system] _161118=[c, l, u, s, i, o, n]
   Exit: (202) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [c, l, u, s, i, o, n])
   Call: (201) [system] _147182=[n, c, l, u, s, i, o, n]
   Exit: (201) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, l, u, s, i, o, n])
   Call: (200) [system] _133246=[o, n, c, l, u, s, i, o, n]
   Exit: (200) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, c, l, u, s, i, o, n])
   Call: (199) [system] _119310=[c, o, n, c, l, u, s, i, o, n]
   Exit: (199) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [c, o, n, c, l, u, s, i, o, n])
^  Call: (198) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _83800)
^  Call: (199) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _298700)
   Call: (200) [system] atom_chars(_299632, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (200) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (199) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
   Call: (199) [system] integer(_conclusion)
   Fail: (199) [system] integer(_conclusion)
   Call: (199) [system] _83800=_conclusion
   Exit: (199) [system] _conclusion=_conclusion
^  Exit: (198) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (197) [user] read_symbolic(')', (0x55772f068e50), $, _conclusion)
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), _conclusion)
^  Call: (196) [user] read_list(')', (0x55772f068e50), _308924)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _310782)
   Exit: (198) [system] peek_char((0x55772f068e50), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _326792)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x55772f068e50), _330582)
   Exit: (197) [system] get_char((0x55772f068e50), ')')
   Call: (197) [system] _308924=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [])
   Call: (196) [system] _47140=[_conclusion]
   Exit: (196) [system] [_conclusion]=[_conclusion]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [_conclusion])
   Call: (195) [system] _3532=[[_ructor, _proof], _conclusion]
   Exit: (195) [system] [[_ructor, _proof], _conclusion]=[[_ructor, _proof], _conclusion]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [[_ructor, _proof], _conclusion])
   Call: (194) [system] _3524=[:, [_ructor, _proof], _conclusion]
   Exit: (194) [system] [:, [_ructor, _proof], _conclusion]=[:, [_ructor, _proof], _conclusion]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [:, [_ructor, _proof], _conclusion])
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), [:, [_ructor, _proof], _conclusion])
^  Call: (192) [user] read_list(')', (0x55772f068e50), _344464)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _346322)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _355916)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _358620)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _375554)
   Exit: (193) [system] peek_char((0x55772f068e50), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _381124)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _382982)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _398992)
   Exit: (194) [system] get_char((0x55772f068e50), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x55772f068e50), $, _381124)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _416634)
   Call: (196) [system] peek_char((0x55772f068e50), _417568)
   Exit: (196) [system] peek_char((0x55772f068e50), q)
^  Call: (196) [user] is_delimiter(q)
   Call: (197) [system] char_type(q, space)
   Fail: (197) [system] char_type(q, space)
   Call: (197) [system] arg(_422288, v('(', ')', end_of_file), q)
   Fail: (197) [system] arg(_423220, v('(', ')', end_of_file), q)
^  Fail: (196) [user] is_delimiter(q)
   Call: (196) [system] ')'==q
   Fail: (196) [system] ')'==q
   Call: (196) [system] get_char((0x55772f068e50), q)
   Exit: (196) [system] get_char((0x55772f068e50), q)
   Call: (196) [system] q=(\)
   Fail: (196) [system] q=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _430570)
   Call: (197) [system] peek_char((0x55772f068e50), _431504)
   Exit: (197) [system] peek_char((0x55772f068e50), u)
^  Call: (197) [user] is_delimiter(u)
   Call: (198) [system] char_type(u, space)
   Fail: (198) [system] char_type(u, space)
   Call: (198) [system] arg(_436224, v('(', ')', end_of_file), u)
   Fail: (198) [system] arg(_437156, v('(', ')', end_of_file), u)
^  Fail: (197) [user] is_delimiter(u)
   Call: (197) [system] ')'==u
   Fail: (197) [system] ')'==u
   Call: (197) [system] get_char((0x55772f068e50), u)
   Exit: (197) [system] get_char((0x55772f068e50), u)
   Call: (197) [system] u=(\)
   Fail: (197) [system] u=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _444506)
   Call: (198) [system] peek_char((0x55772f068e50), _445440)
   Exit: (198) [system] peek_char((0x55772f068e50), e)
^  Call: (198) [user] is_delimiter(e)
   Call: (199) [system] char_type(e, space)
   Fail: (199) [system] char_type(e, space)
   Call: (199) [system] arg(_450160, v('(', ')', end_of_file), e)
   Fail: (199) [system] arg(_451092, v('(', ')', end_of_file), e)
^  Fail: (198) [user] is_delimiter(e)
   Call: (198) [system] ')'==e
   Fail: (198) [system] ')'==e
   Call: (198) [system] get_char((0x55772f068e50), e)
   Exit: (198) [system] get_char((0x55772f068e50), e)
   Call: (198) [system] e=(\)
   Fail: (198) [system] e=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _458442)
   Call: (199) [system] peek_char((0x55772f068e50), _459376)
   Exit: (199) [system] peek_char((0x55772f068e50), r)
^  Call: (199) [user] is_delimiter(r)
   Call: (200) [system] char_type(r, space)
   Fail: (200) [system] char_type(r, space)
   Call: (200) [system] arg(_464096, v('(', ')', end_of_file), r)
   Fail: (200) [system] arg(_465028, v('(', ')', end_of_file), r)
^  Fail: (199) [user] is_delimiter(r)
   Call: (199) [system] ')'==r
   Fail: (199) [system] ')'==r
   Call: (199) [system] get_char((0x55772f068e50), r)
   Exit: (199) [system] get_char((0x55772f068e50), r)
   Call: (199) [system] r=(\)
   Fail: (199) [system] r=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _472378)
   Call: (200) [system] peek_char((0x55772f068e50), _473312)
   Exit: (200) [system] peek_char((0x55772f068e50), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Fail: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_478032, v('(', ')', end_of_file), y)
   Fail: (201) [system] arg(_478964, v('(', ')', end_of_file), y)
^  Fail: (200) [user] is_delimiter(y)
   Call: (200) [system] ')'==y
   Fail: (200) [system] ')'==y
   Call: (200) [system] get_char((0x55772f068e50), y)
   Exit: (200) [system] get_char((0x55772f068e50), y)
   Call: (200) [system] y=(\)
   Fail: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _486314)
   Call: (201) [system] peek_char((0x55772f068e50), _487248)
   Exit: (201) [system] peek_char((0x55772f068e50), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_491968, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _486314=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (200) [system] _472378=[y]
   Exit: (200) [system] [y]=[y]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [y])
   Call: (199) [system] _458442=[r, y]
   Exit: (199) [system] [r, y]=[r, y]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [r, y])
   Call: (198) [system] _444506=[e, r, y]
   Exit: (198) [system] [e, r, y]=[e, r, y]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [e, r, y])
   Call: (197) [system] _430570=[u, e, r, y]
   Exit: (197) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [u, e, r, y])
   Call: (196) [system] _416634=[q, u, e, r, y]
   Exit: (196) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [q, u, e, r, y])
^  Call: (195) [user] classify_and_convert_charseq([$, q, u, e, r, y], _381124)
^  Call: (196) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _512374)
   Call: (197) [system] atom_chars(_513306, ['_', q, u, e, r, y])
   Exit: (197) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (196) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (196) [system] integer(_query)
   Fail: (196) [system] integer(_query)
   Call: (196) [system] _381124=_query
   Exit: (196) [system] _query=_query
^  Exit: (195) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (194) [user] read_symbolic(')', (0x55772f068e50), $, _query)
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), _query)
^  Call: (193) [user] read_list(')', (0x55772f068e50), _522598)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _524456)
   Exit: (195) [system] peek_char((0x55772f068e50), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _540466)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x55772f068e50), _544256)
   Exit: (194) [system] get_char((0x55772f068e50), ')')
   Call: (194) [system] _522598=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [])
   Call: (193) [system] _344464=[_query]
   Exit: (193) [system] [_query]=[_query]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [_query])
   Call: (192) [system] _3518=[[:, [_ructor, _proof], _conclusion], _query]
   Exit: (192) [system] [[:, [_ructor, _proof], _conclusion], _query]=[[:, [_ructor, _proof], _conclusion], _query]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [[:, [_ructor, _proof], _conclusion], _query])
^  Exit: (190) [user] cont_sexpr(')', (0x55772f068e50), [[:, [_ructor, _proof], _conclusion], _query])
^  Call: (190) [user] read_list(')', (0x55772f068e50), _555344)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _557202)
   Exit: (192) [system] peek_char((0x55772f068e50), '\n')
   Call: (192) [system] '\n'=(;)
   Fail: (192) [system] '\n'=(;)
   Call: (192) [system] '\n'=(/)
   Fail: (192) [system] '\n'=(/)
^  Call: (192) [user] is_like_space('\n')
   Call: (193) [system] char_type('\n', 'white')
   Fail: (193) [system] char_type('\n', 'white')
   Call: (193) [system] char_type('\n', end_of_line)
   Exit: (193) [system] char_type('\n', end_of_line)
^  Exit: (192) [user] is_like_space('\n')
   Call: (192) [system] get_char((0x55772f068e50), _568652)
   Exit: (192) [system] get_char((0x55772f068e50), '\n')
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _571356)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _580950)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _583654)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _593248)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _595952)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _605546)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _608250)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _617844)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _620548)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _630142)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _632846)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _642440)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _645144)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _654738)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _657442)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _667036)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _669740)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _679334)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _682038)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _691632)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _694336)
   Exit: (203) [system] peek_char((0x55772f068e50), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _720510)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x55772f068e50), _726080)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _727938)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] get_char((0x55772f068e50), _743948)
   Exit: (192) [system] get_char((0x55772f068e50), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x55772f068e50), _726080)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _749518)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _765528)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _771098)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _772956)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _788966)
   Exit: (194) [system] get_char((0x55772f068e50), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x55772f068e50), _771098)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _794536)
   Exit: (196) [system] peek_char((0x55772f068e50), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _810546)
   Exit: (195) [system] peek_char((0x55772f068e50), :)
   Call: (195) [system] (:)=')'
   Fail: (195) [system] (:)=')'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _816116)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _817974)
   Exit: (197) [system] peek_char((0x55772f068e50), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
   Call: (197) [system] (:)=(/)
   Fail: (197) [system] (:)=(/)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _833984)
   Exit: (196) [system] get_char((0x55772f068e50), :)
   Call: (196) [system] (:)='('
   Fail: (196) [system] (:)='('
   Call: (196) [system] (:)='['
   Fail: (196) [system] (:)='['
   Call: (196) [system] (:)='{'
   Fail: (196) [system] (:)='{'
   Call: (196) [system] (:)='"'
   Fail: (196) [system] (:)='"'
   Call: (196) [system] (:)=!
   Fail: (196) [system] (:)=!
   Call: (196) [system] (:)='\''
   Fail: (196) [system] (:)='\''
   Call: (196) [system] (:)='`'
   Fail: (196) [system] (:)='`'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x55772f068e50), :, _816116)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _851626)
   Call: (198) [system] peek_char((0x55772f068e50), _852560)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _851626=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (197) [user] classify_and_convert_charseq([:], _816116)
^  Call: (198) [user] classify_and_convert_charseq_([:], _861844)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_862796, _862798), once(user:catch(read_from_chars([:], _861844), _862778, fail)), '$restore_trace'(_862796, _862798))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_862796, _862798))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _862778, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(:)
   Exit: (199) [system] atomic(:)
^  Exit: (198) [user] classify_and_convert_charseq_([:], :)
   Call: (198) [system] integer(:)
   Fail: (198) [system] integer(:)
   Call: (198) [system] _816116=(:)
   Exit: (198) [system] (:)=(:)
^  Exit: (197) [user] classify_and_convert_charseq([:], :)
^  Exit: (196) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (195) [user] read_list(')', (0x55772f068e50), _874924)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _876782)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _886376)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _889080)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _906014)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _911584)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _913442)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _929452)
   Exit: (197) [system] get_char((0x55772f068e50), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x55772f068e50), $, _911584)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _947094)
   Call: (199) [system] peek_char((0x55772f068e50), _948028)
   Exit: (199) [system] peek_char((0x55772f068e50), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_952748, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_953680, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x55772f068e50), p)
   Exit: (199) [system] get_char((0x55772f068e50), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _961030)
   Call: (200) [system] peek_char((0x55772f068e50), _961964)
   Exit: (200) [system] peek_char((0x55772f068e50), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_966684, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_967616, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x55772f068e50), r)
   Exit: (200) [system] get_char((0x55772f068e50), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _974966)
   Call: (201) [system] peek_char((0x55772f068e50), _975900)
   Exit: (201) [system] peek_char((0x55772f068e50), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_980620, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_981552, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x55772f068e50), o)
   Exit: (201) [system] get_char((0x55772f068e50), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _988902)
   Call: (202) [system] peek_char((0x55772f068e50), _989836)
   Exit: (202) [system] peek_char((0x55772f068e50), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_994556, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_995488, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x55772f068e50), o)
   Exit: (202) [system] get_char((0x55772f068e50), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1002838)
   Call: (203) [system] peek_char((0x55772f068e50), _1003772)
   Exit: (203) [system] peek_char((0x55772f068e50), f)
^  Call: (203) [user] is_delimiter(f)
   Call: (204) [system] char_type(f, space)
   Fail: (204) [system] char_type(f, space)
   Call: (204) [system] arg(_1008492, v('(', ')', end_of_file), f)
   Fail: (204) [system] arg(_1009424, v('(', ')', end_of_file), f)
^  Fail: (203) [user] is_delimiter(f)
   Call: (203) [system] ')'==f
   Fail: (203) [system] ')'==f
   Call: (203) [system] get_char((0x55772f068e50), f)
   Exit: (203) [system] get_char((0x55772f068e50), f)
   Call: (203) [system] f=(\)
   Fail: (203) [system] f=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1016774)
   Call: (204) [system] peek_char((0x55772f068e50), _1017708)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1016774=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (203) [system] _1002838=[f]
   Exit: (203) [system] [f]=[f]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [f])
   Call: (202) [system] _988902=[o, f]
   Exit: (202) [system] [o, f]=[o, f]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f])
   Call: (201) [system] _974966=[o, o, f]
   Exit: (201) [system] [o, o, f]=[o, o, f]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f])
   Call: (200) [system] _961030=[r, o, o, f]
   Exit: (200) [system] [r, o, o, f]=[r, o, o, f]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f])
   Call: (199) [system] _947094=[p, r, o, o, f]
   Exit: (199) [system] [p, r, o, o, f]=[p, r, o, o, f]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f])
^  Call: (198) [user] classify_and_convert_charseq([$, p, r, o, o, f], _911584)
^  Call: (199) [user] classify_and_convert_charseq_([$, p, r, o, o, f], _1040962)
   Call: (200) [system] atom_chars(_1041894, ['_', p, r, o, o, f])
   Exit: (200) [system] atom_chars('_proof', ['_', p, r, o, o, f])
^  Exit: (199) [user] classify_and_convert_charseq_([$, p, r, o, o, f], _proof)
   Call: (199) [system] integer(_proof)
   Fail: (199) [system] integer(_proof)
   Call: (199) [system] _911584=_proof
   Exit: (199) [system] _proof=_proof
^  Exit: (198) [user] classify_and_convert_charseq([$, p, r, o, o, f], _proof)
^  Exit: (197) [user] read_symbolic(')', (0x55772f068e50), $, _proof)
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), _proof)
^  Call: (196) [user] read_list(')', (0x55772f068e50), _1051186)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1053044)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _1062638)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1065342)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1082276)
   Exit: (197) [system] peek_char((0x55772f068e50), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _1087846)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1089704)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _1105714)
   Exit: (198) [system] get_char((0x55772f068e50), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x55772f068e50), $, _1087846)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1123356)
   Call: (200) [system] peek_char((0x55772f068e50), _1124290)
   Exit: (200) [system] peek_char((0x55772f068e50), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_1129010, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_1129942, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x55772f068e50), p)
   Exit: (200) [system] get_char((0x55772f068e50), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1137292)
   Call: (201) [system] peek_char((0x55772f068e50), _1138226)
   Exit: (201) [system] peek_char((0x55772f068e50), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Fail: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_1142946, v('(', ')', end_of_file), r)
   Fail: (202) [system] arg(_1143878, v('(', ')', end_of_file), r)
^  Fail: (201) [user] is_delimiter(r)
   Call: (201) [system] ')'==r
   Fail: (201) [system] ')'==r
   Call: (201) [system] get_char((0x55772f068e50), r)
   Exit: (201) [system] get_char((0x55772f068e50), r)
   Call: (201) [system] r=(\)
   Fail: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1151228)
   Call: (202) [system] peek_char((0x55772f068e50), _1152162)
   Exit: (202) [system] peek_char((0x55772f068e50), e)
^  Call: (202) [user] is_delimiter(e)
   Call: (203) [system] char_type(e, space)
   Fail: (203) [system] char_type(e, space)
   Call: (203) [system] arg(_1156882, v('(', ')', end_of_file), e)
   Fail: (203) [system] arg(_1157814, v('(', ')', end_of_file), e)
^  Fail: (202) [user] is_delimiter(e)
   Call: (202) [system] ')'==e
   Fail: (202) [system] ')'==e
   Call: (202) [system] get_char((0x55772f068e50), e)
   Exit: (202) [system] get_char((0x55772f068e50), e)
   Call: (202) [system] e=(\)
   Fail: (202) [system] e=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1165164)
   Call: (203) [system] peek_char((0x55772f068e50), _1166098)
   Exit: (203) [system] peek_char((0x55772f068e50), m)
^  Call: (203) [user] is_delimiter(m)
   Call: (204) [system] char_type(m, space)
   Fail: (204) [system] char_type(m, space)
   Call: (204) [system] arg(_1170818, v('(', ')', end_of_file), m)
   Fail: (204) [system] arg(_1171750, v('(', ')', end_of_file), m)
^  Fail: (203) [user] is_delimiter(m)
   Call: (203) [system] ')'==m
   Fail: (203) [system] ')'==m
   Call: (203) [system] get_char((0x55772f068e50), m)
   Exit: (203) [system] get_char((0x55772f068e50), m)
   Call: (203) [system] m=(\)
   Fail: (203) [system] m=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1179100)
   Call: (204) [system] peek_char((0x55772f068e50), _1180034)
   Exit: (204) [system] peek_char((0x55772f068e50), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_1184754, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_1185686, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x55772f068e50), i)
   Exit: (204) [system] get_char((0x55772f068e50), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1193036)
   Call: (205) [system] peek_char((0x55772f068e50), _1193970)
   Exit: (205) [system] peek_char((0x55772f068e50), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_1198690, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_1199622, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x55772f068e50), s)
   Exit: (205) [system] get_char((0x55772f068e50), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1206972)
   Call: (206) [system] peek_char((0x55772f068e50), _1207906)
   Exit: (206) [system] peek_char((0x55772f068e50), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_1212626, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_1213558, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x55772f068e50), e)
   Exit: (206) [system] get_char((0x55772f068e50), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1220908)
   Call: (207) [system] peek_char((0x55772f068e50), _1221842)
   Exit: (207) [system] peek_char((0x55772f068e50), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_1226562, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _1220908=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (206) [system] _1206972=[e]
   Exit: (206) [system] [e]=[e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (205) [system] _1193036=[s, e]
   Exit: (205) [system] [s, e]=[s, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e])
   Call: (204) [system] _1179100=[i, s, e]
   Exit: (204) [system] [i, s, e]=[i, s, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e])
   Call: (203) [system] _1165164=[m, i, s, e]
   Exit: (203) [system] [m, i, s, e]=[m, i, s, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e])
   Call: (202) [system] _1151228=[e, m, i, s, e]
   Exit: (202) [system] [e, m, i, s, e]=[e, m, i, s, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e])
   Call: (201) [system] _1137292=[r, e, m, i, s, e]
   Exit: (201) [system] [r, e, m, i, s, e]=[r, e, m, i, s, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e])
   Call: (200) [system] _1123356=[p, r, e, m, i, s, e]
   Exit: (200) [system] [p, r, e, m, i, s, e]=[p, r, e, m, i, s, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e])
^  Call: (199) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e], _1087846)
^  Call: (200) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e], _1252556)
   Call: (201) [system] atom_chars(_1253488, ['_', p, r, e, m, i, s, e])
   Exit: (201) [system] atom_chars('_premise', ['_', p, r, e, m, i, s, e])
^  Exit: (200) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e], _premise)
   Call: (200) [system] integer(_premise)
   Fail: (200) [system] integer(_premise)
   Call: (200) [system] _1087846=_premise
   Exit: (200) [system] _premise=_premise
^  Exit: (199) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e], _premise)
^  Exit: (198) [user] read_symbolic(')', (0x55772f068e50), $, _premise)
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), _premise)
^  Call: (197) [user] read_list(')', (0x55772f068e50), _1262780)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1264638)
   Exit: (199) [system] peek_char((0x55772f068e50), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1280648)
   Exit: (198) [system] peek_char((0x55772f068e50), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x55772f068e50), _1284438)
   Exit: (198) [system] get_char((0x55772f068e50), ')')
   Call: (198) [system] _1262780=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [])
   Call: (197) [system] _1051186=[_premise]
   Exit: (197) [system] [_premise]=[_premise]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [_premise])
   Call: (196) [system] _874924=[_proof, _premise]
   Exit: (196) [system] [_proof, _premise]=[_proof, _premise]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [_proof, _premise])
   Call: (195) [system] _771098=[:, _proof, _premise]
   Exit: (195) [system] [:, _proof, _premise]=[:, _proof, _premise]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [:, _proof, _premise])
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), [:, _proof, _premise])
^  Call: (193) [user] read_list(')', (0x55772f068e50), _1298320)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1300178)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _1309772)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1312476)
   Exit: (196) [system] peek_char((0x55772f068e50), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1329410)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _1334980)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1336838)
   Exit: (196) [system] peek_char((0x55772f068e50), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _1352848)
   Exit: (195) [system] get_char((0x55772f068e50), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x55772f068e50), _1334980)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1358418)
   Exit: (197) [system] peek_char((0x55772f068e50), s)
   Call: (197) [system] s=(;)
   Fail: (197) [system] s=(;)
   Call: (197) [system] s=(/)
   Fail: (197) [system] s=(/)
^  Call: (197) [user] is_like_space(s)
   Call: (198) [system] char_type(s, 'white')
   Fail: (198) [system] char_type(s, 'white')
   Call: (198) [system] char_type(s, end_of_line)
   Fail: (198) [system] char_type(s, end_of_line)
   Call: (198) [system] char_type(s, space)
   Fail: (198) [system] char_type(s, space)
   Call: (198) [system] char_type(s, cntrl)
   Fail: (198) [system] char_type(s, cntrl)
^  Fail: (197) [user] is_like_space(s)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1374428)
   Exit: (196) [system] peek_char((0x55772f068e50), s)
   Call: (196) [system] s=')'
   Fail: (196) [system] s=')'
   Call: (196) [system] s=end_of_file
   Fail: (196) [system] s=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _1379998)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1381856)
   Exit: (198) [system] peek_char((0x55772f068e50), s)
   Call: (198) [system] s=(;)
   Fail: (198) [system] s=(;)
   Call: (198) [system] s=(/)
   Fail: (198) [system] s=(/)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Fail: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Fail: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
   Fail: (199) [system] char_type(s, cntrl)
^  Fail: (198) [user] is_like_space(s)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _1397866)
   Exit: (197) [system] get_char((0x55772f068e50), s)
   Call: (197) [system] s='('
   Fail: (197) [system] s='('
   Call: (197) [system] s='['
   Fail: (197) [system] s='['
   Call: (197) [system] s='{'
   Fail: (197) [system] s='{'
   Call: (197) [system] s='"'
   Fail: (197) [system] s='"'
   Call: (197) [system] s=!
   Fail: (197) [system] s=!
   Call: (197) [system] s='\''
   Fail: (197) [system] s='\''
   Call: (197) [system] s='`'
   Fail: (197) [system] s='`'
   Call: (197) [system] s=end_of_file
   Fail: (197) [system] s=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x55772f068e50), s, _1379998)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1415508)
   Call: (199) [system] peek_char((0x55772f068e50), _1416442)
   Exit: (199) [system] peek_char((0x55772f068e50), y)
^  Call: (199) [user] is_delimiter(y)
   Call: (200) [system] char_type(y, space)
   Fail: (200) [system] char_type(y, space)
   Call: (200) [system] arg(_1421162, v('(', ')', end_of_file), y)
   Fail: (200) [system] arg(_1422094, v('(', ')', end_of_file), y)
^  Fail: (199) [user] is_delimiter(y)
   Call: (199) [system] ')'==y
   Fail: (199) [system] ')'==y
   Call: (199) [system] get_char((0x55772f068e50), y)
   Exit: (199) [system] get_char((0x55772f068e50), y)
   Call: (199) [system] y=(\)
   Fail: (199) [system] y=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1429444)
   Call: (200) [system] peek_char((0x55772f068e50), _1430378)
   Exit: (200) [system] peek_char((0x55772f068e50), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Fail: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_1435098, v('(', ')', end_of_file), n)
   Fail: (201) [system] arg(_1436030, v('(', ')', end_of_file), n)
^  Fail: (200) [user] is_delimiter(n)
   Call: (200) [system] ')'==n
   Fail: (200) [system] ')'==n
   Call: (200) [system] get_char((0x55772f068e50), n)
   Exit: (200) [system] get_char((0x55772f068e50), n)
   Call: (200) [system] n=(\)
   Fail: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1443380)
   Call: (201) [system] peek_char((0x55772f068e50), _1444314)
   Exit: (201) [system] peek_char((0x55772f068e50), t)
^  Call: (201) [user] is_delimiter(t)
   Call: (202) [system] char_type(t, space)
   Fail: (202) [system] char_type(t, space)
   Call: (202) [system] arg(_1449034, v('(', ')', end_of_file), t)
   Fail: (202) [system] arg(_1449966, v('(', ')', end_of_file), t)
^  Fail: (201) [user] is_delimiter(t)
   Call: (201) [system] ')'==t
   Fail: (201) [system] ')'==t
   Call: (201) [system] get_char((0x55772f068e50), t)
   Exit: (201) [system] get_char((0x55772f068e50), t)
   Call: (201) [system] t=(\)
   Fail: (201) [system] t=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1457316)
   Call: (202) [system] peek_char((0x55772f068e50), _1458250)
   Exit: (202) [system] peek_char((0x55772f068e50), h)
^  Call: (202) [user] is_delimiter(h)
   Call: (203) [system] char_type(h, space)
   Fail: (203) [system] char_type(h, space)
   Call: (203) [system] arg(_1462970, v('(', ')', end_of_file), h)
   Fail: (203) [system] arg(_1463902, v('(', ')', end_of_file), h)
^  Fail: (202) [user] is_delimiter(h)
   Call: (202) [system] ')'==h
   Fail: (202) [system] ')'==h
   Call: (202) [system] get_char((0x55772f068e50), h)
   Exit: (202) [system] get_char((0x55772f068e50), h)
   Call: (202) [system] h=(\)
   Fail: (202) [system] h=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1471252)
   Call: (203) [system] peek_char((0x55772f068e50), _1472186)
   Exit: (203) [system] peek_char((0x55772f068e50), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_1476906, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_1477838, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x55772f068e50), e)
   Exit: (203) [system] get_char((0x55772f068e50), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1485188)
   Call: (204) [system] peek_char((0x55772f068e50), _1486122)
   Exit: (204) [system] peek_char((0x55772f068e50), s)
^  Call: (204) [user] is_delimiter(s)
   Call: (205) [system] char_type(s, space)
   Fail: (205) [system] char_type(s, space)
   Call: (205) [system] arg(_1490842, v('(', ')', end_of_file), s)
   Fail: (205) [system] arg(_1491774, v('(', ')', end_of_file), s)
^  Fail: (204) [user] is_delimiter(s)
   Call: (204) [system] ')'==s
   Fail: (204) [system] ')'==s
   Call: (204) [system] get_char((0x55772f068e50), s)
   Exit: (204) [system] get_char((0x55772f068e50), s)
   Call: (204) [system] s=(\)
   Fail: (204) [system] s=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1499124)
   Call: (205) [system] peek_char((0x55772f068e50), _1500058)
   Exit: (205) [system] peek_char((0x55772f068e50), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_1504778, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_1505710, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x55772f068e50), i)
   Exit: (205) [system] get_char((0x55772f068e50), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1513060)
   Call: (206) [system] peek_char((0x55772f068e50), _1513994)
   Exit: (206) [system] peek_char((0x55772f068e50), z)
^  Call: (206) [user] is_delimiter(z)
   Call: (207) [system] char_type(z, space)
   Fail: (207) [system] char_type(z, space)
   Call: (207) [system] arg(_1518714, v('(', ')', end_of_file), z)
   Fail: (207) [system] arg(_1519646, v('(', ')', end_of_file), z)
^  Fail: (206) [user] is_delimiter(z)
   Call: (206) [system] ')'==z
   Fail: (206) [system] ')'==z
   Call: (206) [system] get_char((0x55772f068e50), z)
   Exit: (206) [system] get_char((0x55772f068e50), z)
   Call: (206) [system] z=(\)
   Fail: (206) [system] z=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1526996)
   Call: (207) [system] peek_char((0x55772f068e50), _1527930)
   Exit: (207) [system] peek_char((0x55772f068e50), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1532650, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_1533582, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x55772f068e50), e)
   Exit: (207) [system] get_char((0x55772f068e50), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1540932)
   Call: (208) [system] peek_char((0x55772f068e50), _1541866)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1540932=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (207) [system] _1526996=[e]
   Exit: (207) [system] [e]=[e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (206) [system] _1513060=[z, e]
   Exit: (206) [system] [z, e]=[z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [z, e])
   Call: (205) [system] _1499124=[i, z, e]
   Exit: (205) [system] [i, z, e]=[i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [i, z, e])
   Call: (204) [system] _1485188=[s, i, z, e]
   Exit: (204) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [s, i, z, e])
   Call: (203) [system] _1471252=[e, s, i, z, e]
   Exit: (203) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [e, s, i, z, e])
   Call: (202) [system] _1457316=[h, e, s, i, z, e]
   Exit: (202) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [h, e, s, i, z, e])
   Call: (201) [system] _1443380=[t, h, e, s, i, z, e]
   Exit: (201) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [t, h, e, s, i, z, e])
   Call: (200) [system] _1429444=[n, t, h, e, s, i, z, e]
   Exit: (200) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, h, e, s, i, z, e])
   Call: (199) [system] _1415508=[y, n, t, h, e, s, i, z, e]
   Exit: (199) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [y, n, t, h, e, s, i, z, e])
^  Call: (198) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _1379998)
^  Call: (199) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _1576296)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_1577248, _1577250), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1576296), _1577230, fail)), '$restore_trace'(_1577248, _1577250))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_1577248, _1577250))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1577230, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(synthesize)
   Exit: (200) [system] atomic(synthesize)
^  Exit: (199) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (199) [system] integer(synthesize)
   Fail: (199) [system] integer(synthesize)
   Call: (199) [system] _1379998=synthesize
   Exit: (199) [system] synthesize=synthesize
^  Exit: (198) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (197) [user] read_symbolic(')', (0x55772f068e50), s, synthesize)
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), synthesize)
^  Call: (196) [user] read_list(')', (0x55772f068e50), _1589376)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1591234)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _1600828)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1603532)
   Exit: (199) [system] peek_char((0x55772f068e50), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1620466)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _1626036)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1627894)
   Exit: (199) [system] peek_char((0x55772f068e50), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _1643904)
   Exit: (198) [system] get_char((0x55772f068e50), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x55772f068e50), _1626036)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1649474)
   Exit: (200) [system] peek_char((0x55772f068e50), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
   Call: (200) [system] (:)=(/)
   Fail: (200) [system] (:)=(/)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1665484)
   Exit: (199) [system] peek_char((0x55772f068e50), :)
   Call: (199) [system] (:)=')'
   Fail: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _1671054)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1672912)
   Exit: (201) [system] peek_char((0x55772f068e50), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _1688922)
   Exit: (200) [system] get_char((0x55772f068e50), :)
   Call: (200) [system] (:)='('
   Fail: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Fail: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Fail: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Fail: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Fail: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Fail: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Fail: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), :, _1671054)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1706564)
   Call: (202) [system] peek_char((0x55772f068e50), _1707498)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _1706564=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (201) [user] classify_and_convert_charseq([:], _1671054)
^  Call: (202) [user] classify_and_convert_charseq_([:], _1716782)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1717734, _1717736), once(user:catch(read_from_chars([:], _1716782), _1717716, fail)), '$restore_trace'(_1717734, _1717736))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1717734, _1717736))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1717716, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(:)
   Exit: (203) [system] atomic(:)
^  Exit: (202) [user] classify_and_convert_charseq_([:], :)
   Call: (202) [system] integer(:)
   Fail: (202) [system] integer(:)
   Call: (202) [system] _1671054=(:)
   Exit: (202) [system] (:)=(:)
^  Exit: (201) [user] classify_and_convert_charseq([:], :)
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (199) [user] read_list(')', (0x55772f068e50), _1729862)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1731720)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _1741314)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1744018)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1760952)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _1766522)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1768380)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _1784390)
   Exit: (201) [system] get_char((0x55772f068e50), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), $, _1766522)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1802032)
   Call: (203) [system] peek_char((0x55772f068e50), _1802966)
   Exit: (203) [system] peek_char((0x55772f068e50), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1807686, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_1808618, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x55772f068e50), p)
   Exit: (203) [system] get_char((0x55772f068e50), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1815968)
   Call: (204) [system] peek_char((0x55772f068e50), _1816902)
   Exit: (204) [system] peek_char((0x55772f068e50), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1821622, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1822554, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x55772f068e50), r)
   Exit: (204) [system] get_char((0x55772f068e50), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1829904)
   Call: (205) [system] peek_char((0x55772f068e50), _1830838)
   Exit: (205) [system] peek_char((0x55772f068e50), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1835558, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_1836490, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x55772f068e50), o)
   Exit: (205) [system] get_char((0x55772f068e50), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1843840)
   Call: (206) [system] peek_char((0x55772f068e50), _1844774)
   Exit: (206) [system] peek_char((0x55772f068e50), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1849494, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1850426, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x55772f068e50), o)
   Exit: (206) [system] get_char((0x55772f068e50), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1857776)
   Call: (207) [system] peek_char((0x55772f068e50), _1858710)
   Exit: (207) [system] peek_char((0x55772f068e50), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Fail: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_1863430, v('(', ')', end_of_file), f)
   Fail: (208) [system] arg(_1864362, v('(', ')', end_of_file), f)
^  Fail: (207) [user] is_delimiter(f)
   Call: (207) [system] ')'==f
   Fail: (207) [system] ')'==f
   Call: (207) [system] get_char((0x55772f068e50), f)
   Exit: (207) [system] get_char((0x55772f068e50), f)
   Call: (207) [system] f=(\)
   Fail: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1871712)
   Call: (208) [system] peek_char((0x55772f068e50), _1872646)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1871712=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (207) [system] _1857776=[f]
   Exit: (207) [system] [f]=[f]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [f])
   Call: (206) [system] _1843840=[o, f]
   Exit: (206) [system] [o, f]=[o, f]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f])
   Call: (205) [system] _1829904=[o, o, f]
   Exit: (205) [system] [o, o, f]=[o, o, f]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f])
   Call: (204) [system] _1815968=[r, o, o, f]
   Exit: (204) [system] [r, o, o, f]=[r, o, o, f]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f])
   Call: (203) [system] _1802032=[p, r, o, o, f]
   Exit: (203) [system] [p, r, o, o, f]=[p, r, o, o, f]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f], _1766522)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f], _1895900)
   Call: (204) [system] atom_chars(_1896832, ['_', p, r, o, o, f])
   Exit: (204) [system] atom_chars('_proof', ['_', p, r, o, o, f])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f], _proof)
   Call: (203) [system] integer(_proof)
   Fail: (203) [system] integer(_proof)
   Call: (203) [system] _1766522=_proof
   Exit: (203) [system] _proof=_proof
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f], _proof)
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), $, _proof)
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), _proof)
^  Call: (200) [user] read_list(')', (0x55772f068e50), _1906124)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1907982)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _1917576)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1920280)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1937214)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _1942784)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1944642)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _1960652)
   Exit: (202) [system] get_char((0x55772f068e50), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), $, _1942784)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1978294)
   Call: (204) [system] peek_char((0x55772f068e50), _1979228)
   Exit: (204) [system] peek_char((0x55772f068e50), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1983948, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_1984880, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x55772f068e50), p)
   Exit: (204) [system] get_char((0x55772f068e50), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1992230)
   Call: (205) [system] peek_char((0x55772f068e50), _1993164)
   Exit: (205) [system] peek_char((0x55772f068e50), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1997884, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1998816, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x55772f068e50), r)
   Exit: (205) [system] get_char((0x55772f068e50), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _2006166)
   Call: (206) [system] peek_char((0x55772f068e50), _2007100)
   Exit: (206) [system] peek_char((0x55772f068e50), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_2011820, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_2012752, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x55772f068e50), e)
   Exit: (206) [system] get_char((0x55772f068e50), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _2020102)
   Call: (207) [system] peek_char((0x55772f068e50), _2021036)
   Exit: (207) [system] peek_char((0x55772f068e50), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_2025756, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_2026688, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x55772f068e50), m)
   Exit: (207) [system] get_char((0x55772f068e50), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _2034038)
   Call: (208) [system] peek_char((0x55772f068e50), _2034972)
   Exit: (208) [system] peek_char((0x55772f068e50), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_2039692, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_2040624, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x55772f068e50), i)
   Exit: (208) [system] get_char((0x55772f068e50), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _2047974)
   Call: (209) [system] peek_char((0x55772f068e50), _2048908)
   Exit: (209) [system] peek_char((0x55772f068e50), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_2053628, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_2054560, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x55772f068e50), s)
   Exit: (209) [system] get_char((0x55772f068e50), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _2061910)
   Call: (210) [system] peek_char((0x55772f068e50), _2062844)
   Exit: (210) [system] peek_char((0x55772f068e50), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_2067564, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_2068496, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x55772f068e50), e)
   Exit: (210) [system] get_char((0x55772f068e50), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _2075846)
   Call: (211) [system] peek_char((0x55772f068e50), _2076780)
   Exit: (211) [system] peek_char((0x55772f068e50), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_2081500, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _2075846=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (210) [system] _2061910=[e]
   Exit: (210) [system] [e]=[e]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (209) [system] _2047974=[s, e]
   Exit: (209) [system] [s, e]=[s, e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e])
   Call: (208) [system] _2034038=[i, s, e]
   Exit: (208) [system] [i, s, e]=[i, s, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e])
   Call: (207) [system] _2020102=[m, i, s, e]
   Exit: (207) [system] [m, i, s, e]=[m, i, s, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e])
   Call: (206) [system] _3666=[e, m, i, s, e]
   Exit: (206) [system] [e, m, i, s, e]=[e, m, i, s, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e])
   Call: (205) [system] _3662=[r, e, m, i, s, e]
   Exit: (205) [system] [r, e, m, i, s, e]=[r, e, m, i, s, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e])
   Call: (204) [system] _3658=[p, r, e, m, i, s, e]
   Exit: (204) [system] [p, r, e, m, i, s, e]=[p, r, e, m, i, s, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e], _3654)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e], _14378)
   Call: (205) [system] atom_chars(_15310, ['_', p, r, e, m, i, s, e])
   Exit: (205) [system] atom_chars('_premise', ['_', p, r, e, m, i, s, e])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e], _premise)
   Call: (204) [system] integer(_premise)
   Fail: (204) [system] integer(_premise)
   Call: (204) [system] _3654=_premise
   Exit: (204) [system] _premise=_premise
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e], _premise)
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), $, _premise)
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), _premise)
^  Call: (201) [user] read_list(')', (0x55772f068e50), _24602)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _26460)
   Exit: (203) [system] peek_char((0x55772f068e50), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _42470)
   Exit: (202) [system] peek_char((0x55772f068e50), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x55772f068e50), _46260)
   Exit: (202) [system] get_char((0x55772f068e50), ')')
   Call: (202) [system] _24602=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [])
   Call: (201) [system] _3650=[_premise]
   Exit: (201) [system] [_premise]=[_premise]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [_premise])
   Call: (200) [system] _3640=[_proof, _premise]
   Exit: (200) [system] [_proof, _premise]=[_proof, _premise]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [_proof, _premise])
   Call: (199) [system] _3632=[:, _proof, _premise]
   Exit: (199) [system] [:, _proof, _premise]=[:, _proof, _premise]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [:, _proof, _premise])
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), [:, _proof, _premise])
^  Call: (197) [user] read_list(')', (0x55772f068e50), _60142)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _62000)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _71594)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _74298)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _91232)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _96802)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _98660)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _114670)
   Exit: (199) [system] get_char((0x55772f068e50), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x55772f068e50), $, _96802)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _132312)
   Call: (201) [system] peek_char((0x55772f068e50), _133246)
   Exit: (201) [system] peek_char((0x55772f068e50), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Fail: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_137966, v('(', ')', end_of_file), k)
   Fail: (202) [system] arg(_138898, v('(', ')', end_of_file), k)
^  Fail: (201) [user] is_delimiter(k)
   Call: (201) [system] ')'==k
   Fail: (201) [system] ')'==k
   Call: (201) [system] get_char((0x55772f068e50), k)
   Exit: (201) [system] get_char((0x55772f068e50), k)
   Call: (201) [system] k=(\)
   Fail: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _146248)
   Call: (202) [system] peek_char((0x55772f068e50), _147182)
   Exit: (202) [system] peek_char((0x55772f068e50), b)
^  Call: (202) [user] is_delimiter(b)
   Call: (203) [system] char_type(b, space)
   Fail: (203) [system] char_type(b, space)
   Call: (203) [system] arg(_151902, v('(', ')', end_of_file), b)
   Fail: (203) [system] arg(_152834, v('(', ')', end_of_file), b)
^  Fail: (202) [user] is_delimiter(b)
   Call: (202) [system] ')'==b
   Fail: (202) [system] ')'==b
   Call: (202) [system] get_char((0x55772f068e50), b)
   Exit: (202) [system] get_char((0x55772f068e50), b)
   Call: (202) [system] b=(\)
   Fail: (202) [system] b=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _160184)
   Call: (203) [system] peek_char((0x55772f068e50), _161118)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _160184=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (202) [system] _146248=[b]
   Exit: (202) [system] [b]=[b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (201) [system] _132312=[k, b]
   Exit: (201) [system] [k, b]=[k, b]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [k, b])
^  Call: (200) [user] classify_and_convert_charseq([$, k, b], _96802)
^  Call: (201) [user] classify_and_convert_charseq_([$, k, b], _175990)
   Call: (202) [system] atom_chars(_176922, ['_', k, b])
   Exit: (202) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (201) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (201) [system] integer(_kb)
   Fail: (201) [system] integer(_kb)
   Call: (201) [system] _96802=_kb
   Exit: (201) [system] _kb=_kb
^  Exit: (200) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (199) [user] read_symbolic(')', (0x55772f068e50), $, _kb)
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), _kb)
^  Call: (198) [user] read_list(')', (0x55772f068e50), _186214)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _188072)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _197666)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _200370)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _217304)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _222874)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _224732)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _240742)
   Exit: (200) [system] get_char((0x55772f068e50), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), $, _222874)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _258384)
   Call: (202) [system] peek_char((0x55772f068e50), _259318)
   Exit: (202) [system] peek_char((0x55772f068e50), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_264038, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_264970, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x55772f068e50), r)
   Exit: (202) [system] get_char((0x55772f068e50), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _272320)
   Call: (203) [system] peek_char((0x55772f068e50), _273254)
   Exit: (203) [system] peek_char((0x55772f068e50), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_277974, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_278906, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x55772f068e50), b)
   Exit: (203) [system] get_char((0x55772f068e50), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _286256)
   Call: (204) [system] peek_char((0x55772f068e50), _287190)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _286256=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (203) [system] _272320=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (202) [system] _258384=[r, b]
   Exit: (202) [system] [r, b]=[r, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [r, b])
^  Call: (201) [user] classify_and_convert_charseq([$, r, b], _222874)
^  Call: (202) [user] classify_and_convert_charseq_([$, r, b], _302062)
   Call: (203) [system] atom_chars(_302994, ['_', r, b])
   Exit: (203) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (202) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (202) [system] integer(_rb)
   Fail: (202) [system] integer(_rb)
   Call: (202) [system] _222874=_rb
   Exit: (202) [system] _rb=_rb
^  Exit: (201) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), $, _rb)
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), _rb)
^  Call: (199) [user] read_list(')', (0x55772f068e50), _312286)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _314144)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _323738)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _326442)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _343376)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _348946)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _350804)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _366814)
   Exit: (201) [system] get_char((0x55772f068e50), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), $, _348946)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _384456)
   Call: (203) [system] peek_char((0x55772f068e50), _385390)
   Exit: (203) [system] peek_char((0x55772f068e50), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Fail: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_390110, v('(', ')', end_of_file), k)
   Fail: (204) [system] arg(_391042, v('(', ')', end_of_file), k)
^  Fail: (203) [user] is_delimiter(k)
   Call: (203) [system] ')'==k
   Fail: (203) [system] ')'==k
   Call: (203) [system] get_char((0x55772f068e50), k)
   Exit: (203) [system] get_char((0x55772f068e50), k)
   Call: (203) [system] k=(\)
   Fail: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _398392)
   Call: (204) [system] peek_char((0x55772f068e50), _399326)
   Exit: (204) [system] peek_char((0x55772f068e50), ')')
^  Call: (204) [user] is_delimiter(')')
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] arg(_404046, v('(', ')', end_of_file), ')')
   Exit: (205) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (204) [user] is_delimiter(')')
   Call: (204) [system] _398392=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (203) [system] _384456=[k]
   Exit: (203) [system] [k]=[k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
^  Call: (202) [user] classify_and_convert_charseq([$, k], _348946)
^  Call: (203) [user] classify_and_convert_charseq_([$, k], _413276)
   Call: (204) [system] atom_chars(_414208, ['_', k])
   Exit: (204) [system] atom_chars('_k', ['_', k])
^  Exit: (203) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (203) [system] integer(_k)
   Fail: (203) [system] integer(_k)
   Call: (203) [system] _348946=_k
   Exit: (203) [system] _k=_k
^  Exit: (202) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), $, _k)
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), _k)
^  Call: (200) [user] read_list(')', (0x55772f068e50), _423500)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _425358)
   Exit: (202) [system] peek_char((0x55772f068e50), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _441368)
   Exit: (201) [system] peek_char((0x55772f068e50), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x55772f068e50), _445158)
   Exit: (201) [system] get_char((0x55772f068e50), ')')
   Call: (201) [system] _423500=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [])
   Call: (200) [system] _312286=[_k]
   Exit: (200) [system] [_k]=[_k]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [_k])
   Call: (199) [system] _186214=[_rb, _k]
   Exit: (199) [system] [_rb, _k]=[_rb, _k]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [_rb, _k])
   Call: (198) [system] _60142=[_kb, _rb, _k]
   Exit: (198) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [_kb, _rb, _k])
   Call: (197) [system] _3628=[[:, _proof, _premise], _kb, _rb, _k]
   Exit: (197) [system] [[:, _proof, _premise], _kb, _rb, _k]=[[:, _proof, _premise], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [[:, _proof, _premise], _kb, _rb, _k])
   Call: (196) [system] _3620=[synthesize, [:, _proof, _premise], _kb, _rb, _k]
   Exit: (196) [system] [synthesize, [:, _proof, _premise], _kb, _rb, _k]=[synthesize, [:, _proof, _premise], _kb, _rb, _k]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [synthesize, [:, _proof, _premise], _kb, _rb, _k])
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), [synthesize, [:, _proof, _premise], _kb, _rb, _k])
^  Call: (194) [user] read_list(')', (0x55772f068e50), _464628)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _466486)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _482496)
   Exit: (195) [system] peek_char((0x55772f068e50), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x55772f068e50), _486286)
   Exit: (195) [system] get_char((0x55772f068e50), ')')
   Call: (195) [system] _464628=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [])
   Call: (194) [system] _3616=[[synthesize, [:, _proof, _premise], _kb, _rb, _k]]
   Exit: (194) [system] [[synthesize, [:, _proof, _premise], _kb, _rb, _k]]=[[synthesize, [:, _proof, _premise], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [[synthesize, [:, _proof, _premise], _kb, _rb, _k]])
   Call: (193) [system] _3582=[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]
   Exit: (193) [system] [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]=[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]])
^  Exit: (191) [user] cont_sexpr(')', (0x55772f068e50), [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]])
^  Call: (191) [user] read_list(')', (0x55772f068e50), _497374)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _499232)
   Exit: (193) [system] peek_char((0x55772f068e50), ')')
   Call: (193) [system] ')'=(;)
   Fail: (193) [system] ')'=(;)
   Call: (193) [system] ')'=(/)
   Fail: (193) [system] ')'=(/)
^  Call: (193) [user] is_like_space(')')
   Call: (194) [system] char_type(')', 'white')
   Fail: (194) [system] char_type(')', 'white')
   Call: (194) [system] char_type(')', end_of_line)
   Fail: (194) [system] char_type(')', end_of_line)
   Call: (194) [system] char_type(')', space)
   Fail: (194) [system] char_type(')', space)
   Call: (194) [system] char_type(')', cntrl)
   Fail: (194) [system] char_type(')', cntrl)
^  Fail: (193) [user] is_like_space(')')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _515242)
   Exit: (192) [system] peek_char((0x55772f068e50), ')')
   Call: (192) [system] ')'=')'
   Exit: (192) [system] ')'=')'
   Call: (192) [system] get_char((0x55772f068e50), _519032)
   Exit: (192) [system] get_char((0x55772f068e50), ')')
   Call: (192) [system] _497374=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [])
   Call: (191) [system] _3578=[[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]
   Exit: (191) [system] [[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]=[[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]
^  Exit: (190) [user] read_list(')', (0x55772f068e50), [[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
   Call: (190) [system] _3514=[[[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]
   Exit: (190) [system] [[[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]=[[[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]
^  Exit: (189) [user] read_list(')', (0x55772f068e50), [[[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
   Call: (189) [system] _3436=[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]
   Exit: (189) [system] [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]=[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
^  Exit: (187) [user] cont_sexpr(')', (0x55772f068e50), [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
^  Call: (187) [user] read_list(')', (0x55772f068e50), _532914)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _534772)
   Exit: (189) [system] peek_char((0x55772f068e50), '\n')
   Call: (189) [system] '\n'=(;)
   Fail: (189) [system] '\n'=(;)
   Call: (189) [system] '\n'=(/)
   Fail: (189) [system] '\n'=(/)
^  Call: (189) [user] is_like_space('\n')
   Call: (190) [system] char_type('\n', 'white')
   Fail: (190) [system] char_type('\n', 'white')
   Call: (190) [system] char_type('\n', end_of_line)
   Exit: (190) [system] char_type('\n', end_of_line)
^  Exit: (189) [user] is_like_space('\n')
   Call: (189) [system] get_char((0x55772f068e50), _546222)
   Exit: (189) [system] get_char((0x55772f068e50), '\n')
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _548926)
   Exit: (190) [system] peek_char((0x55772f068e50), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x55772f068e50), _558520)
   Exit: (190) [system] get_char((0x55772f068e50), ' ')
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _561224)
   Exit: (191) [system] peek_char((0x55772f068e50), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x55772f068e50), _570818)
   Exit: (191) [system] get_char((0x55772f068e50), ' ')
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _573522)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x55772f068e50), _583116)
   Exit: (192) [system] get_char((0x55772f068e50), ' ')
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _585820)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _595414)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _598118)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _607712)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _610416)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _631970)
   Exit: (188) [system] peek_char((0x55772f068e50), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x55772f068e50), _637540)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _639398)
   Exit: (190) [system] peek_char((0x55772f068e50), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] get_char((0x55772f068e50), _655408)
   Exit: (189) [system] get_char((0x55772f068e50), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x55772f068e50), $, _637540)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _673050)
   Call: (191) [system] peek_char((0x55772f068e50), _673984)
   Exit: (191) [system] peek_char((0x55772f068e50), q)
^  Call: (191) [user] is_delimiter(q)
   Call: (192) [system] char_type(q, space)
   Fail: (192) [system] char_type(q, space)
   Call: (192) [system] arg(_678704, v('(', ')', end_of_file), q)
   Fail: (192) [system] arg(_679636, v('(', ')', end_of_file), q)
^  Fail: (191) [user] is_delimiter(q)
   Call: (191) [system] ')'==q
   Fail: (191) [system] ')'==q
   Call: (191) [system] get_char((0x55772f068e50), q)
   Exit: (191) [system] get_char((0x55772f068e50), q)
   Call: (191) [system] q=(\)
   Fail: (191) [system] q=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _686986)
   Call: (192) [system] peek_char((0x55772f068e50), _687920)
   Exit: (192) [system] peek_char((0x55772f068e50), u)
^  Call: (192) [user] is_delimiter(u)
   Call: (193) [system] char_type(u, space)
   Fail: (193) [system] char_type(u, space)
   Call: (193) [system] arg(_692640, v('(', ')', end_of_file), u)
   Fail: (193) [system] arg(_693572, v('(', ')', end_of_file), u)
^  Fail: (192) [user] is_delimiter(u)
   Call: (192) [system] ')'==u
   Fail: (192) [system] ')'==u
   Call: (192) [system] get_char((0x55772f068e50), u)
   Exit: (192) [system] get_char((0x55772f068e50), u)
   Call: (192) [system] u=(\)
   Fail: (192) [system] u=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _700922)
   Call: (193) [system] peek_char((0x55772f068e50), _701856)
   Exit: (193) [system] peek_char((0x55772f068e50), e)
^  Call: (193) [user] is_delimiter(e)
   Call: (194) [system] char_type(e, space)
   Fail: (194) [system] char_type(e, space)
   Call: (194) [system] arg(_706576, v('(', ')', end_of_file), e)
   Fail: (194) [system] arg(_707508, v('(', ')', end_of_file), e)
^  Fail: (193) [user] is_delimiter(e)
   Call: (193) [system] ')'==e
   Fail: (193) [system] ')'==e
   Call: (193) [system] get_char((0x55772f068e50), e)
   Exit: (193) [system] get_char((0x55772f068e50), e)
   Call: (193) [system] e=(\)
   Fail: (193) [system] e=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _714858)
   Call: (194) [system] peek_char((0x55772f068e50), _715792)
   Exit: (194) [system] peek_char((0x55772f068e50), r)
^  Call: (194) [user] is_delimiter(r)
   Call: (195) [system] char_type(r, space)
   Fail: (195) [system] char_type(r, space)
   Call: (195) [system] arg(_720512, v('(', ')', end_of_file), r)
   Fail: (195) [system] arg(_721444, v('(', ')', end_of_file), r)
^  Fail: (194) [user] is_delimiter(r)
   Call: (194) [system] ')'==r
   Fail: (194) [system] ')'==r
   Call: (194) [system] get_char((0x55772f068e50), r)
   Exit: (194) [system] get_char((0x55772f068e50), r)
   Call: (194) [system] r=(\)
   Fail: (194) [system] r=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _728794)
   Call: (195) [system] peek_char((0x55772f068e50), _729728)
   Exit: (195) [system] peek_char((0x55772f068e50), y)
^  Call: (195) [user] is_delimiter(y)
   Call: (196) [system] char_type(y, space)
   Fail: (196) [system] char_type(y, space)
   Call: (196) [system] arg(_734448, v('(', ')', end_of_file), y)
   Fail: (196) [system] arg(_735380, v('(', ')', end_of_file), y)
^  Fail: (195) [user] is_delimiter(y)
   Call: (195) [system] ')'==y
   Fail: (195) [system] ')'==y
   Call: (195) [system] get_char((0x55772f068e50), y)
   Exit: (195) [system] get_char((0x55772f068e50), y)
   Call: (195) [system] y=(\)
   Fail: (195) [system] y=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _742730)
   Call: (196) [system] peek_char((0x55772f068e50), _743664)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_748384, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _742730=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (195) [system] _728794=[y]
   Exit: (195) [system] [y]=[y]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [y])
   Call: (194) [system] _714858=[r, y]
   Exit: (194) [system] [r, y]=[r, y]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [r, y])
   Call: (193) [system] _700922=[e, r, y]
   Exit: (193) [system] [e, r, y]=[e, r, y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [e, r, y])
   Call: (192) [system] _686986=[u, e, r, y]
   Exit: (192) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [u, e, r, y])
   Call: (191) [system] _673050=[q, u, e, r, y]
   Exit: (191) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [q, u, e, r, y])
^  Call: (190) [user] classify_and_convert_charseq([$, q, u, e, r, y], _637540)
^  Call: (191) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _768790)
   Call: (192) [system] atom_chars(_769722, ['_', q, u, e, r, y])
   Exit: (192) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (191) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (191) [system] integer(_query)
   Fail: (191) [system] integer(_query)
   Call: (191) [system] _637540=_query
   Exit: (191) [system] _query=_query
^  Exit: (190) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (189) [user] read_symbolic(')', (0x55772f068e50), $, _query)
^  Exit: (188) [user] cont_sexpr(')', (0x55772f068e50), _query)
^  Call: (188) [user] read_list(')', (0x55772f068e50), _779014)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _780872)
   Exit: (190) [system] peek_char((0x55772f068e50), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _796882)
   Exit: (189) [system] peek_char((0x55772f068e50), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x55772f068e50), _800672)
   Exit: (189) [system] get_char((0x55772f068e50), ')')
   Call: (189) [system] _779014=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [])
   Call: (188) [system] _532914=[_query]
   Exit: (188) [system] [_query]=[_query]
^  Exit: (187) [user] read_list(')', (0x55772f068e50), [_query])
   Call: (187) [system] _3432=[[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]
   Exit: (187) [system] [[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]=[[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]
^  Exit: (186) [user] read_list(')', (0x55772f068e50), [[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
   Call: (186) [system] _3424=['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]
   Exit: (186) [system] ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]=['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
^  Exit: (184) [user] cont_sexpr(')', (0x55772f068e50), ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
^  Call: (184) [user] read_list(')', (0x55772f068e50), _814554)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _816412)
   Exit: (186) [system] peek_char((0x55772f068e50), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _832422)
   Exit: (185) [system] peek_char((0x55772f068e50), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x55772f068e50), _836212)
   Exit: (185) [system] get_char((0x55772f068e50), ')')
   Call: (185) [system] _814554=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [])
   Call: (184) [system] _3420=[['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
   Exit: (184) [system] [['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]=[['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] read_list(')', (0x55772f068e50), [['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Call: (183) [system] _3356=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
   Exit: (183) [system] [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
^  Exit: (182) [user] read_list(')', (0x55772f068e50), [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Call: (182) [system] _3316=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
   Exit: (182) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
^  Exit: (181) [user] read_list(')', (0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (180) [user] cont_sexpr(')', (0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (179) [user] read_sexpr((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Call: (179) [user] assertz(metta_file_comment(54, 0, 1783, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], '$stream_position'(1783, 54, 0, 1783)))
^  Exit: (179) [user] assertz(metta_file_comment(54, 0, 1783, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], '$stream_position'(1783, 54, 0, 1783)))
^  Exit: (177) [system] once(user:(read_position((0x55772f068e50), 54, 0, 1783, '$stream_position'(1783, 54, 0, 1783)), read_sexpr((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]), assertz(metta_file_comment(54, 0, 1783, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], '$stream_position'(1783, 54, 0, 1783)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_854730, _854732, _854734, _854736, _854738))
^  Exit: (177) [user] retract(metta_file_comment(39, 0, 1257, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), '$stream_position'(1257, 39, 0, 1257)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), _857570))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), _857570)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";; $rb: a nullary function to rule", 39, 0), _857570)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), _860386))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), _860386))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), _860386)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), _863186))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), _863186)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";; $rb: a nullary function to rule", 39, 0), _863186)
   Call: (187) [system] var('$COMMENT'(";; $rb: a nullary function to rule", 39, 0))
   Call: (187) [system] atom('$COMMENT'(";; $rb: a nullary function to rule", 39, 0))
   Call: (187) [system] '$COMMENT'(";; $rb: a nullary function to rule", 39, 0)==true
   Call: (187) [system] '$COMMENT'(";; $rb: a nullary function to rule", 39, 0)==false
   Call: (187) [system] '$COMMENT'(";; $rb: a nullary function to rule", 39, 0)==[_869706, _869712]
   Call: (187) [system] is_list('$COMMENT'(";; $rb: a nullary function to rule", 39, 0))
   Call: (187) [system] string('$COMMENT'(";; $rb: a nullary function to rule", 39, 0))
   Call: (187) [system] compound('$COMMENT'(";; $rb: a nullary function to rule", 39, 0))
   Exit: (187) [system] compound('$COMMENT'(";; $rb: a nullary function to rule", 39, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";; $rb: a nullary function to rule", 39, 0), _874340, _874342)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; $rb: a nullary function to rule", 39, 0), '$COMMENT', [";; $rb: a nullary function to rule", 39, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";; $rb: a nullary function to rule", 39, 0], _878082)
   Call: (188) [apply] apply:maplist_([";; $rb: a nullary function to rule", 39, 0], _878082, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";; $rb: a nullary function to rule", _879962)
   Call: (190) [system] var(";; $rb: a nullary function to rule")
   Call: (190) [system] atom(";; $rb: a nullary function to rule")
   Call: (190) [system] ";; $rb: a nullary function to rule"==true
   Call: (190) [system] ";; $rb: a nullary function to rule"==false
   Call: (190) [system] ";; $rb: a nullary function to rule"==[_884604, _884610]
   Call: (190) [system] is_list(";; $rb: a nullary function to rule")
   Call: (190) [system] string(";; $rb: a nullary function to rule")
   Exit: (190) [system] string(";; $rb: a nullary function to rule")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";; $rb: a nullary function to rule")
^  Call: (190) [user] symbol(";; $rb: a nullary function to rule")
   Call: (191) [system] atom(";; $rb: a nullary function to rule")
   Fail: (191) [system] atom(";; $rb: a nullary function to rule")
^  Fail: (190) [user] symbol(";; $rb: a nullary function to rule")
   Call: (190) [system] ";; $rb: a nullary function to rule"=_879962
   Exit: (190) [system] ";; $rb: a nullary function to rule"=";; $rb: a nullary function to rule"
^  Exit: (189) [user] mfix_vars1(";; $rb: a nullary function to rule", ";; $rb: a nullary function to rule")
   Call: (189) [apply] apply:maplist_([39, 0], _879964, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(39, _898484)
   Call: (191) [system] var(39)
   Call: (191) [system] atom(39)
   Call: (191) [system] 39==true
   Call: (191) [system] 39==false
   Call: (191) [system] 39==[_903126, _903132]
   Call: (191) [system] is_list(39)
   Call: (191) [system] string(39)
   Call: (191) [system] compound(39)
^  Call: (191) [user] symbol(39)
   Call: (192) [system] atom(39)
   Fail: (192) [system] atom(39)
^  Fail: (191) [user] symbol(39)
   Call: (191) [system] 39=_898484
   Exit: (191) [system] 39=39
^  Exit: (190) [user] mfix_vars1(39, 39)
   Call: (190) [apply] apply:maplist_([0], _898486, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _914250)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_918892, _918898]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_914250
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _914252, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([39, 0], [39, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";; $rb: a nullary function to rule", 39, 0], [";; $rb: a nullary function to rule", 39, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";; $rb: a nullary function to rule", 39, 0], [";; $rb: a nullary function to rule", 39, 0])
   Call: (187) [system] compound_name_arguments(_863186, '$COMMENT', [";; $rb: a nullary function to rule", 39, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; $rb: a nullary function to rule", 39, 0), '$COMMENT', [";; $rb: a nullary function to rule", 39, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";; $rb: a nullary function to rule", 39, 0), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0)))
   Call: (184) [system] '$COMMENT'(";; $rb: a nullary function to rule", 39, 0)\=@='$COMMENT'(";; $rb: a nullary function to rule", 39, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), _943068))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), _943068))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), _943068)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), _945868))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), _945868)
^  Call: (186) [user] cons_to_c('$COMMENT'(";; $rb: a nullary function to rule", 39, 0), _945868)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";; $rb: a nullary function to rule", 39, 0), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0)))
   Call: (184) [system] '$COMMENT'(";; $rb: a nullary function to rule", 39, 0)\=@='$COMMENT'(";; $rb: a nullary function to rule", 39, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), _857570))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), _857570))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), _857570)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), _959826))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), _959826)
^  Call: (186) [user] cons_to_l('$COMMENT'(";; $rb: a nullary function to rule", 39, 0), _959826)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";; $rb: a nullary function to rule", 39, 0), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0)))
   Call: (184) [system] '$COMMENT'(";; $rb: a nullary function to rule", 39, 0)\=@='$COMMENT'(";; $rb: a nullary function to rule", 39, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";; $rb: a nullary function to rule", 39, 0), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0)))
   Call: (178) [system] '$COMMENT'(";; $rb: a nullary function to rule", 39, 0)\=@='$COMMENT'(";; $rb: a nullary function to rule", 39, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0))
^  Exit: (171) [user] read_sform((0x55772f068e50), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0))
^  Exit: (170) [system] once(user:read_sform((0x55772f068e50), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x55772f068e50), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0)))
   Call: (169) [system] '$COMMENT'(";; $rb: a nullary function to rule", 39, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; $rb: a nullary function to rule", 39, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727481849.951376), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481849.951376), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $rb: a nullary function to rule", 39, 0)), 53]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), me_synthesize_1727481849_9551582, 53)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727481849.951376), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481849.951376), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $rb: a nullary function to rule", 39, 0)), 53]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727481851.7246268)
   Call: (173) [system] arg(1, t(1727481849.951376), _3148)
   Exit: (173) [system] arg(1, t(1727481849.951376), 1727481849.951376)
   Call: (173) [system] _3158 is 1727481851.7246268-1727481849.951376
   Exit: (173) [system] 1.7732508182525635 is 1727481851.7246268-1727481849.951376
   Call: (173) [system] 1.7732508182525635>4
   Fail: (173) [system] 1.7732508182525635>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727481849.951376), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481849.951376), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $rb: a nullary function to rule", 39, 0)), 53]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 5)
   Call: (175) [system] atom(5+1)
   Call: (175) [system] set_flag(translated_forms, 6)
   Exit: (175) [system] set_flag(translated_forms, 6)
   Exit: (174) [$syspreds] update_flag(translated_forms, 5, 5+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 5, 5+1))
   Exit: (171) [$syspreds] flag(translated_forms, 5, 5+1)
^  Call: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), me_synthesize_1727481849_9551582, 53)
^  Call: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";; $rb: a nullary function to rule"])
^  Exit: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";; $rb: a nullary function to rule"])
^  Exit: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), me_synthesize_1727481849_9551582, 53)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727481849.951376), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481849.951376), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $rb: a nullary function to rule", 39, 0)), 53]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 5, 5+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; $rb: a nullary function to rule", 39, 0), me_synthesize_1727481849_9551582, 53)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x55772f068e50))
   Fail: (169) [system] at_end_of_stream((0x55772f068e50))
^  Call: (169) [user] must_det_ll(line_count((0x55772f068e50), _3074))
^  Call: (170) [user] once(user:line_count((0x55772f068e50), _3074))
   Call: (171) [system] line_count((0x55772f068e50), _3074)
   Exit: (171) [system] line_count((0x55772f068e50), 59)
^  Exit: (170) [system] once(user:line_count((0x55772f068e50), 59))
^  Exit: (169) [user] must_det_ll(user:line_count((0x55772f068e50), 59))
^  Call: (169) [user] must_det_ll(read_sform((0x55772f068e50), _3084))
^  Call: (170) [user] once(user:read_sform((0x55772f068e50), _3084))
^  Call: (171) [user] read_sform((0x55772f068e50), _3084)
   Call: (172) [system] string((0x55772f068e50))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (173) [system] string((0x55772f068e50))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (174) [system] at_end_of_stream((0x55772f068e50))
   Call: (174) [system] peek_char((0x55772f068e50), _1034610)
   Exit: (174) [system] peek_char((0x55772f068e50), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x55772f068e50), '\n')
   Exit: (174) [system] get_char((0x55772f068e50), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), _3084)
   Call: (175) [system] at_end_of_stream((0x55772f068e50))
   Call: (175) [system] peek_char((0x55772f068e50), _1042032)
   Exit: (175) [system] peek_char((0x55772f068e50), ;)
   Call: (175) [system] char_type(;, space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (176) [system] string((0x55772f068e50))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (177) [system] at_end_of_stream((0x55772f068e50))
   Call: (177) [system] peek_char((0x55772f068e50), _1050370)
   Exit: (177) [system] peek_char((0x55772f068e50), ;)
   Call: (177) [system] char_type(;, space)
   Call: (177) [system] _1053156=(0x55772f068e50)
   Exit: (177) [system] (0x55772f068e50)=(0x55772f068e50)
^  Call: (177) [user] once((read_position((0x55772f068e50), _1055024, _1055026, _1055028, _1055030), read_sexpr((0x55772f068e50), _1055042), assertz(metta_file_comment(_1055024, _1055026, _1055028, _1055042, _1055030))))
^  Call: (179) [user] read_position((0x55772f068e50), _1055024, _1055026, _1055028, _1055030)
   Call: (180) [system] stream_property((0x55772f068e50), position(_1055030))
   Call: (181) [system] nonvar((0x55772f068e50))
   Exit: (181) [system] nonvar((0x55772f068e50))
   Call: (181) [system] nonvar(position(_1055030))
   Exit: (181) [system] nonvar(position(_1055030))
   Exit: (180) [system] stream_property((0x55772f068e50), position('$stream_position'(2034, 60, 0, 2034)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(2034, 60, 0, 2034), _1055024)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1065282)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(2034, 60, 0, 2034), _1055024)
   Exit: (181) [system] arg(2, '$stream_position'(2034, 60, 0, 2034), 60)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(2034, 60, 0, 2034), 60)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(2034, 60, 0, 2034), _1055026)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1072716)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(2034, 60, 0, 2034), _1055026)
   Exit: (181) [system] arg(3, '$stream_position'(2034, 60, 0, 2034), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(2034, 60, 0, 2034), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(2034, 60, 0, 2034), _1055028)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1080150)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(2034, 60, 0, 2034), _1055028)
   Exit: (181) [system] arg(1, '$stream_position'(2034, 60, 0, 2034), 2034)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(2034, 60, 0, 2034), 2034)
^  Exit: (179) [user] read_position((0x55772f068e50), 60, 0, 2034, '$stream_position'(2034, 60, 0, 2034))
^  Call: (179) [user] read_sexpr((0x55772f068e50), _1055042)
   Call: (180) [system] string((0x55772f068e50))
   Fail: (180) [system] string((0x55772f068e50))
^  Call: (180) [user] cont_sexpr(')', (0x55772f068e50), _1055042)
^  Call: (181) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _1090376)
   Exit: (182) [system] peek_char((0x55772f068e50), ;)
   Call: (182) [system] (;)=(;)
   Exit: (182) [system] (;)=(;)
^  Call: (182) [user] read_single_line_comment((0x55772f068e50))
^  Call: (183) [user] read_position((0x55772f068e50), _1095014, _1095016, _1095018, _1095020)
   Call: (184) [system] stream_property((0x55772f068e50), position(_1095020))
   Call: (185) [system] nonvar((0x55772f068e50))
   Exit: (185) [system] nonvar((0x55772f068e50))
   Call: (185) [system] nonvar(position(_1095020))
   Exit: (185) [system] nonvar(position(_1095020))
   Exit: (184) [system] stream_property((0x55772f068e50), position('$stream_position'(2034, 60, 0, 2034)))
   Call: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(2034, 60, 0, 2034), _1095014)
   Call: (185) [system] nonvar(line_count)
   Exit: (185) [system] nonvar(line_count)
   Call: (185) [$syspreds] stream_position_field(line_count, _1104308)
   Exit: (185) [$syspreds] stream_position_field(line_count, 2)
   Call: (185) [system] arg(2, '$stream_position'(2034, 60, 0, 2034), _1095014)
   Exit: (185) [system] arg(2, '$stream_position'(2034, 60, 0, 2034), 60)
   Exit: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(2034, 60, 0, 2034), 60)
   Call: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(2034, 60, 0, 2034), _1095016)
   Call: (185) [system] nonvar(line_position)
   Exit: (185) [system] nonvar(line_position)
   Call: (185) [$syspreds] stream_position_field(line_position, _1111742)
   Exit: (185) [$syspreds] stream_position_field(line_position, 3)
   Call: (185) [system] arg(3, '$stream_position'(2034, 60, 0, 2034), _1095016)
   Exit: (185) [system] arg(3, '$stream_position'(2034, 60, 0, 2034), 0)
   Exit: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(2034, 60, 0, 2034), 0)
   Call: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(2034, 60, 0, 2034), _1095018)
   Call: (185) [system] nonvar(char_count)
   Exit: (185) [system] nonvar(char_count)
   Call: (185) [$syspreds] stream_position_field(char_count, _1119176)
   Exit: (185) [$syspreds] stream_position_field(char_count, 1)
   Call: (185) [system] arg(1, '$stream_position'(2034, 60, 0, 2034), _1095018)
   Exit: (185) [system] arg(1, '$stream_position'(2034, 60, 0, 2034), 2034)
   Exit: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(2034, 60, 0, 2034), 2034)
^  Exit: (183) [user] read_position((0x55772f068e50), 60, 0, 2034, '$stream_position'(2034, 60, 0, 2034))
   Call: (183) [read_util] read_util:read_line_to_string((0x55772f068e50), _1124770)
   Call: (184) [system] read_string((0x55772f068e50), '\n', '\r', _1125700, _1125702)
   Exit: (184) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";; Binary rule")
   Call: (184) [system] 10\== -1
   Exit: (184) [system] 10\== -1
   Call: (184) [system] _1124770=";; Binary rule"
   Exit: (184) [system] ";; Binary rule"=";; Binary rule"
   Exit: (183) [read_util] read_util:read_line_to_string((0x55772f068e50), ";; Binary rule")
^  Call: (183) [user] assertz(metta_file_comment(60, 0, 2034, '$COMMENT'(";; Binary rule", 60, 0), '$stream_position'(2034, 60, 0, 2034)))
^  Exit: (183) [user] assertz(metta_file_comment(60, 0, 2034, '$COMMENT'(";; Binary rule", 60, 0), '$stream_position'(2034, 60, 0, 2034)))
^  Exit: (182) [user] read_single_line_comment((0x55772f068e50))
^  Call: (182) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _1135960)
   Exit: (183) [system] peek_char((0x55772f068e50), '(')
   Call: (183) [system] '('=(;)
   Fail: (183) [system] '('=(;)
   Call: (183) [system] '('=(/)
   Fail: (183) [system] '('=(/)
^  Call: (183) [user] is_like_space('(')
   Call: (184) [system] char_type('(', 'white')
   Fail: (184) [system] char_type('(', 'white')
   Call: (184) [system] char_type('(', end_of_line)
   Fail: (184) [system] char_type('(', end_of_line)
   Call: (184) [system] char_type('(', space)
   Fail: (184) [system] char_type('(', space)
   Call: (184) [system] char_type('(', cntrl)
   Fail: (184) [system] char_type('(', cntrl)
^  Fail: (183) [user] is_like_space('(')
^  Exit: (182) [user] skip_spaces((0x55772f068e50))
^  Exit: (181) [user] skip_spaces((0x55772f068e50))
   Call: (181) [system] get_char((0x55772f068e50), _1152894)
   Exit: (181) [system] get_char((0x55772f068e50), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x55772f068e50), _1055042)
^  Call: (182) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _1158464)
   Exit: (183) [system] peek_char((0x55772f068e50), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _1174474)
   Exit: (182) [system] peek_char((0x55772f068e50), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x55772f068e50), _1180044)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _1181902)
   Exit: (184) [system] peek_char((0x55772f068e50), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] get_char((0x55772f068e50), _1197912)
   Exit: (183) [system] get_char((0x55772f068e50), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x55772f068e50), =, _1180044)
^  Call: (184) [user] read_symbolic_cont(')', (0x55772f068e50), _1215554)
   Call: (185) [system] peek_char((0x55772f068e50), _1216488)
   Exit: (185) [system] peek_char((0x55772f068e50), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1215554=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _1180044)
^  Call: (185) [user] classify_and_convert_charseq_([=], _1225772)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_1226724, _1226726), once(user:catch(read_from_chars([=], _1225772), _1226706, fail)), '$restore_trace'(_1226724, _1226726))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_1226724, _1226726))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1226706, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _1180044=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x55772f068e50), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x55772f068e50), =)
^  Call: (182) [user] read_list(')', (0x55772f068e50), _1238852)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _1240710)
   Exit: (184) [system] peek_char((0x55772f068e50), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x55772f068e50), _1250304)
   Exit: (184) [system] get_char((0x55772f068e50), ' ')
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1253008)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _1269942)
   Exit: (183) [system] peek_char((0x55772f068e50), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x55772f068e50), _1275512)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1277370)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] get_char((0x55772f068e50), _1293380)
   Exit: (184) [system] get_char((0x55772f068e50), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x55772f068e50), _1275512)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1298950)
   Exit: (186) [system] peek_char((0x55772f068e50), s)
   Call: (186) [system] s=(;)
   Fail: (186) [system] s=(;)
   Call: (186) [system] s=(/)
   Fail: (186) [system] s=(/)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Fail: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Fail: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Fail: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
   Fail: (187) [system] char_type(s, cntrl)
^  Fail: (186) [user] is_like_space(s)
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1314960)
   Exit: (185) [system] peek_char((0x55772f068e50), s)
   Call: (185) [system] s=')'
   Fail: (185) [system] s=')'
   Call: (185) [system] s=end_of_file
   Fail: (185) [system] s=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x55772f068e50), _1320530)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1322388)
   Exit: (187) [system] peek_char((0x55772f068e50), s)
   Call: (187) [system] s=(;)
   Fail: (187) [system] s=(;)
   Call: (187) [system] s=(/)
   Fail: (187) [system] s=(/)
^  Call: (187) [user] is_like_space(s)
   Call: (188) [system] char_type(s, 'white')
   Fail: (188) [system] char_type(s, 'white')
   Call: (188) [system] char_type(s, end_of_line)
   Fail: (188) [system] char_type(s, end_of_line)
   Call: (188) [system] char_type(s, space)
   Fail: (188) [system] char_type(s, space)
   Call: (188) [system] char_type(s, cntrl)
   Fail: (188) [system] char_type(s, cntrl)
^  Fail: (187) [user] is_like_space(s)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] get_char((0x55772f068e50), _1338398)
   Exit: (186) [system] get_char((0x55772f068e50), s)
   Call: (186) [system] s='('
   Fail: (186) [system] s='('
   Call: (186) [system] s='['
   Fail: (186) [system] s='['
   Call: (186) [system] s='{'
   Fail: (186) [system] s='{'
   Call: (186) [system] s='"'
   Fail: (186) [system] s='"'
   Call: (186) [system] s=!
   Fail: (186) [system] s=!
   Call: (186) [system] s='\''
   Fail: (186) [system] s='\''
   Call: (186) [system] s='`'
   Fail: (186) [system] s='`'
   Call: (186) [system] s=end_of_file
   Fail: (186) [system] s=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x55772f068e50), s, _1320530)
^  Call: (187) [user] read_symbolic_cont(')', (0x55772f068e50), _1356040)
   Call: (188) [system] peek_char((0x55772f068e50), _1356974)
   Exit: (188) [system] peek_char((0x55772f068e50), y)
^  Call: (188) [user] is_delimiter(y)
   Call: (189) [system] char_type(y, space)
   Fail: (189) [system] char_type(y, space)
   Call: (189) [system] arg(_1361694, v('(', ')', end_of_file), y)
   Fail: (189) [system] arg(_1362626, v('(', ')', end_of_file), y)
^  Fail: (188) [user] is_delimiter(y)
   Call: (188) [system] ')'==y
   Fail: (188) [system] ')'==y
   Call: (188) [system] get_char((0x55772f068e50), y)
   Exit: (188) [system] get_char((0x55772f068e50), y)
   Call: (188) [system] y=(\)
   Fail: (188) [system] y=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _1369976)
   Call: (189) [system] peek_char((0x55772f068e50), _1370910)
   Exit: (189) [system] peek_char((0x55772f068e50), n)
^  Call: (189) [user] is_delimiter(n)
   Call: (190) [system] char_type(n, space)
   Fail: (190) [system] char_type(n, space)
   Call: (190) [system] arg(_1375630, v('(', ')', end_of_file), n)
   Fail: (190) [system] arg(_1376562, v('(', ')', end_of_file), n)
^  Fail: (189) [user] is_delimiter(n)
   Call: (189) [system] ')'==n
   Fail: (189) [system] ')'==n
   Call: (189) [system] get_char((0x55772f068e50), n)
   Exit: (189) [system] get_char((0x55772f068e50), n)
   Call: (189) [system] n=(\)
   Fail: (189) [system] n=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _1383912)
   Call: (190) [system] peek_char((0x55772f068e50), _1384846)
   Exit: (190) [system] peek_char((0x55772f068e50), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_1389566, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_1390498, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x55772f068e50), t)
   Exit: (190) [system] get_char((0x55772f068e50), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _1397848)
   Call: (191) [system] peek_char((0x55772f068e50), _1398782)
   Exit: (191) [system] peek_char((0x55772f068e50), h)
^  Call: (191) [user] is_delimiter(h)
   Call: (192) [system] char_type(h, space)
   Fail: (192) [system] char_type(h, space)
   Call: (192) [system] arg(_1403502, v('(', ')', end_of_file), h)
   Fail: (192) [system] arg(_1404434, v('(', ')', end_of_file), h)
^  Fail: (191) [user] is_delimiter(h)
   Call: (191) [system] ')'==h
   Fail: (191) [system] ')'==h
   Call: (191) [system] get_char((0x55772f068e50), h)
   Exit: (191) [system] get_char((0x55772f068e50), h)
   Call: (191) [system] h=(\)
   Fail: (191) [system] h=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _1411784)
   Call: (192) [system] peek_char((0x55772f068e50), _1412718)
   Exit: (192) [system] peek_char((0x55772f068e50), e)
^  Call: (192) [user] is_delimiter(e)
   Call: (193) [system] char_type(e, space)
   Fail: (193) [system] char_type(e, space)
   Call: (193) [system] arg(_1417438, v('(', ')', end_of_file), e)
   Fail: (193) [system] arg(_1418370, v('(', ')', end_of_file), e)
^  Fail: (192) [user] is_delimiter(e)
   Call: (192) [system] ')'==e
   Fail: (192) [system] ')'==e
   Call: (192) [system] get_char((0x55772f068e50), e)
   Exit: (192) [system] get_char((0x55772f068e50), e)
   Call: (192) [system] e=(\)
   Fail: (192) [system] e=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _1425720)
   Call: (193) [system] peek_char((0x55772f068e50), _1426654)
   Exit: (193) [system] peek_char((0x55772f068e50), s)
^  Call: (193) [user] is_delimiter(s)
   Call: (194) [system] char_type(s, space)
   Fail: (194) [system] char_type(s, space)
   Call: (194) [system] arg(_1431374, v('(', ')', end_of_file), s)
   Fail: (194) [system] arg(_1432306, v('(', ')', end_of_file), s)
^  Fail: (193) [user] is_delimiter(s)
   Call: (193) [system] ')'==s
   Fail: (193) [system] ')'==s
   Call: (193) [system] get_char((0x55772f068e50), s)
   Exit: (193) [system] get_char((0x55772f068e50), s)
   Call: (193) [system] s=(\)
   Fail: (193) [system] s=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _1439656)
   Call: (194) [system] peek_char((0x55772f068e50), _1440590)
   Exit: (194) [system] peek_char((0x55772f068e50), i)
^  Call: (194) [user] is_delimiter(i)
   Call: (195) [system] char_type(i, space)
   Fail: (195) [system] char_type(i, space)
   Call: (195) [system] arg(_1445310, v('(', ')', end_of_file), i)
   Fail: (195) [system] arg(_1446242, v('(', ')', end_of_file), i)
^  Fail: (194) [user] is_delimiter(i)
   Call: (194) [system] ')'==i
   Fail: (194) [system] ')'==i
   Call: (194) [system] get_char((0x55772f068e50), i)
   Exit: (194) [system] get_char((0x55772f068e50), i)
   Call: (194) [system] i=(\)
   Fail: (194) [system] i=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _1453592)
   Call: (195) [system] peek_char((0x55772f068e50), _1454526)
   Exit: (195) [system] peek_char((0x55772f068e50), z)
^  Call: (195) [user] is_delimiter(z)
   Call: (196) [system] char_type(z, space)
   Fail: (196) [system] char_type(z, space)
   Call: (196) [system] arg(_1459246, v('(', ')', end_of_file), z)
   Fail: (196) [system] arg(_1460178, v('(', ')', end_of_file), z)
^  Fail: (195) [user] is_delimiter(z)
   Call: (195) [system] ')'==z
   Fail: (195) [system] ')'==z
   Call: (195) [system] get_char((0x55772f068e50), z)
   Exit: (195) [system] get_char((0x55772f068e50), z)
   Call: (195) [system] z=(\)
   Fail: (195) [system] z=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _1467528)
   Call: (196) [system] peek_char((0x55772f068e50), _1468462)
   Exit: (196) [system] peek_char((0x55772f068e50), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Fail: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_1473182, v('(', ')', end_of_file), e)
   Fail: (197) [system] arg(_1474114, v('(', ')', end_of_file), e)
^  Fail: (196) [user] is_delimiter(e)
   Call: (196) [system] ')'==e
   Fail: (196) [system] ')'==e
   Call: (196) [system] get_char((0x55772f068e50), e)
   Exit: (196) [system] get_char((0x55772f068e50), e)
   Call: (196) [system] e=(\)
   Fail: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1481464)
   Call: (197) [system] peek_char((0x55772f068e50), _1482398)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1481464=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (196) [system] _1467528=[e]
   Exit: (196) [system] [e]=[e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (195) [system] _1453592=[z, e]
   Exit: (195) [system] [z, e]=[z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [z, e])
   Call: (194) [system] _1439656=[i, z, e]
   Exit: (194) [system] [i, z, e]=[i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [i, z, e])
   Call: (193) [system] _1425720=[s, i, z, e]
   Exit: (193) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [s, i, z, e])
   Call: (192) [system] _1411784=[e, s, i, z, e]
   Exit: (192) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [e, s, i, z, e])
   Call: (191) [system] _1397848=[h, e, s, i, z, e]
   Exit: (191) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [h, e, s, i, z, e])
   Call: (190) [system] _1383912=[t, h, e, s, i, z, e]
   Exit: (190) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [t, h, e, s, i, z, e])
   Call: (189) [system] _1369976=[n, t, h, e, s, i, z, e]
   Exit: (189) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, h, e, s, i, z, e])
   Call: (188) [system] _1356040=[y, n, t, h, e, s, i, z, e]
   Exit: (188) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (187) [user] read_symbolic_cont(')', (0x55772f068e50), [y, n, t, h, e, s, i, z, e])
^  Call: (187) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _1320530)
^  Call: (188) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _1516828)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1517780, _1517782), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1516828), _1517762, fail)), '$restore_trace'(_1517780, _1517782))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1517780, _1517782))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1517762, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(synthesize)
   Exit: (189) [system] atomic(synthesize)
^  Exit: (188) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (188) [system] integer(synthesize)
   Fail: (188) [system] integer(synthesize)
   Call: (188) [system] _1320530=synthesize
   Exit: (188) [system] synthesize=synthesize
^  Exit: (187) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (186) [user] read_symbolic(')', (0x55772f068e50), s, synthesize)
^  Exit: (185) [user] cont_sexpr(')', (0x55772f068e50), synthesize)
^  Call: (185) [user] read_list(')', (0x55772f068e50), _1529908)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1531766)
   Exit: (187) [system] peek_char((0x55772f068e50), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x55772f068e50), _1541360)
   Exit: (187) [system] get_char((0x55772f068e50), ' ')
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1544064)
   Exit: (188) [system] peek_char((0x55772f068e50), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
   Call: (188) [system] ($)=(/)
   Fail: (188) [system] ($)=(/)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1560998)
   Exit: (186) [system] peek_char((0x55772f068e50), $)
   Call: (186) [system] ($)=')'
   Fail: (186) [system] ($)=')'
   Call: (186) [system] ($)=end_of_file
   Fail: (186) [system] ($)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x55772f068e50), _1566568)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1568426)
   Exit: (188) [system] peek_char((0x55772f068e50), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
   Call: (188) [system] ($)=(/)
   Fail: (188) [system] ($)=(/)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] get_char((0x55772f068e50), _1584436)
   Exit: (187) [system] get_char((0x55772f068e50), $)
   Call: (187) [system] ($)='('
   Fail: (187) [system] ($)='('
   Call: (187) [system] ($)='['
   Fail: (187) [system] ($)='['
   Call: (187) [system] ($)='{'
   Fail: (187) [system] ($)='{'
   Call: (187) [system] ($)='"'
   Fail: (187) [system] ($)='"'
   Call: (187) [system] ($)=!
   Fail: (187) [system] ($)=!
   Call: (187) [system] ($)='\''
   Fail: (187) [system] ($)='\''
   Call: (187) [system] ($)='`'
   Fail: (187) [system] ($)='`'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x55772f068e50), $, _1566568)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _1602078)
   Call: (189) [system] peek_char((0x55772f068e50), _1603012)
   Exit: (189) [system] peek_char((0x55772f068e50), q)
^  Call: (189) [user] is_delimiter(q)
   Call: (190) [system] char_type(q, space)
   Fail: (190) [system] char_type(q, space)
   Call: (190) [system] arg(_1607732, v('(', ')', end_of_file), q)
   Fail: (190) [system] arg(_1608664, v('(', ')', end_of_file), q)
^  Fail: (189) [user] is_delimiter(q)
   Call: (189) [system] ')'==q
   Fail: (189) [system] ')'==q
   Call: (189) [system] get_char((0x55772f068e50), q)
   Exit: (189) [system] get_char((0x55772f068e50), q)
   Call: (189) [system] q=(\)
   Fail: (189) [system] q=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _1616014)
   Call: (190) [system] peek_char((0x55772f068e50), _1616948)
   Exit: (190) [system] peek_char((0x55772f068e50), u)
^  Call: (190) [user] is_delimiter(u)
   Call: (191) [system] char_type(u, space)
   Fail: (191) [system] char_type(u, space)
   Call: (191) [system] arg(_1621668, v('(', ')', end_of_file), u)
   Fail: (191) [system] arg(_1622600, v('(', ')', end_of_file), u)
^  Fail: (190) [user] is_delimiter(u)
   Call: (190) [system] ')'==u
   Fail: (190) [system] ')'==u
   Call: (190) [system] get_char((0x55772f068e50), u)
   Exit: (190) [system] get_char((0x55772f068e50), u)
   Call: (190) [system] u=(\)
   Fail: (190) [system] u=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _1629950)
   Call: (191) [system] peek_char((0x55772f068e50), _1630884)
   Exit: (191) [system] peek_char((0x55772f068e50), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Fail: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_1635604, v('(', ')', end_of_file), e)
   Fail: (192) [system] arg(_1636536, v('(', ')', end_of_file), e)
^  Fail: (191) [user] is_delimiter(e)
   Call: (191) [system] ')'==e
   Fail: (191) [system] ')'==e
   Call: (191) [system] get_char((0x55772f068e50), e)
   Exit: (191) [system] get_char((0x55772f068e50), e)
   Call: (191) [system] e=(\)
   Fail: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _1643886)
   Call: (192) [system] peek_char((0x55772f068e50), _1644820)
   Exit: (192) [system] peek_char((0x55772f068e50), r)
^  Call: (192) [user] is_delimiter(r)
   Call: (193) [system] char_type(r, space)
   Fail: (193) [system] char_type(r, space)
   Call: (193) [system] arg(_1649540, v('(', ')', end_of_file), r)
   Fail: (193) [system] arg(_1650472, v('(', ')', end_of_file), r)
^  Fail: (192) [user] is_delimiter(r)
   Call: (192) [system] ')'==r
   Fail: (192) [system] ')'==r
   Call: (192) [system] get_char((0x55772f068e50), r)
   Exit: (192) [system] get_char((0x55772f068e50), r)
   Call: (192) [system] r=(\)
   Fail: (192) [system] r=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _1657822)
   Call: (193) [system] peek_char((0x55772f068e50), _1658756)
   Exit: (193) [system] peek_char((0x55772f068e50), y)
^  Call: (193) [user] is_delimiter(y)
   Call: (194) [system] char_type(y, space)
   Fail: (194) [system] char_type(y, space)
   Call: (194) [system] arg(_1663476, v('(', ')', end_of_file), y)
   Fail: (194) [system] arg(_1664408, v('(', ')', end_of_file), y)
^  Fail: (193) [user] is_delimiter(y)
   Call: (193) [system] ')'==y
   Fail: (193) [system] ')'==y
   Call: (193) [system] get_char((0x55772f068e50), y)
   Exit: (193) [system] get_char((0x55772f068e50), y)
   Call: (193) [system] y=(\)
   Fail: (193) [system] y=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _1671758)
   Call: (194) [system] peek_char((0x55772f068e50), _1672692)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1671758=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (193) [system] _1657822=[y]
   Exit: (193) [system] [y]=[y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [y])
   Call: (192) [system] _1643886=[r, y]
   Exit: (192) [system] [r, y]=[r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [r, y])
   Call: (191) [system] _1629950=[e, r, y]
   Exit: (191) [system] [e, r, y]=[e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [e, r, y])
   Call: (190) [system] _1616014=[u, e, r, y]
   Exit: (190) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [u, e, r, y])
   Call: (189) [system] _1602078=[q, u, e, r, y]
   Exit: (189) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [q, u, e, r, y])
^  Call: (188) [user] classify_and_convert_charseq([$, q, u, e, r, y], _1566568)
^  Call: (189) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _1695946)
   Call: (190) [system] atom_chars(_1696878, ['_', q, u, e, r, y])
   Exit: (190) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (189) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (189) [system] integer(_query)
   Fail: (189) [system] integer(_query)
   Call: (189) [system] _1566568=_query
   Exit: (189) [system] _query=_query
^  Exit: (188) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (187) [user] read_symbolic(')', (0x55772f068e50), $, _query)
^  Exit: (186) [user] cont_sexpr(')', (0x55772f068e50), _query)
^  Call: (186) [user] read_list(')', (0x55772f068e50), _1706170)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1708028)
   Exit: (188) [system] peek_char((0x55772f068e50), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x55772f068e50), _1717622)
   Exit: (188) [system] get_char((0x55772f068e50), ' ')
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1720326)
   Exit: (189) [system] peek_char((0x55772f068e50), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1737260)
   Exit: (187) [system] peek_char((0x55772f068e50), $)
   Call: (187) [system] ($)=')'
   Fail: (187) [system] ($)=')'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x55772f068e50), _1742830)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1744688)
   Exit: (189) [system] peek_char((0x55772f068e50), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] get_char((0x55772f068e50), _1760698)
   Exit: (188) [system] get_char((0x55772f068e50), $)
   Call: (188) [system] ($)='('
   Fail: (188) [system] ($)='('
   Call: (188) [system] ($)='['
   Fail: (188) [system] ($)='['
   Call: (188) [system] ($)='{'
   Fail: (188) [system] ($)='{'
   Call: (188) [system] ($)='"'
   Fail: (188) [system] ($)='"'
   Call: (188) [system] ($)=!
   Fail: (188) [system] ($)=!
   Call: (188) [system] ($)='\''
   Fail: (188) [system] ($)='\''
   Call: (188) [system] ($)='`'
   Fail: (188) [system] ($)='`'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x55772f068e50), $, _1742830)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _1778340)
   Call: (190) [system] peek_char((0x55772f068e50), _1779274)
   Exit: (190) [system] peek_char((0x55772f068e50), k)
^  Call: (190) [user] is_delimiter(k)
   Call: (191) [system] char_type(k, space)
   Fail: (191) [system] char_type(k, space)
   Call: (191) [system] arg(_1783994, v('(', ')', end_of_file), k)
   Fail: (191) [system] arg(_1784926, v('(', ')', end_of_file), k)
^  Fail: (190) [user] is_delimiter(k)
   Call: (190) [system] ')'==k
   Fail: (190) [system] ')'==k
   Call: (190) [system] get_char((0x55772f068e50), k)
   Exit: (190) [system] get_char((0x55772f068e50), k)
   Call: (190) [system] k=(\)
   Fail: (190) [system] k=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _1792276)
   Call: (191) [system] peek_char((0x55772f068e50), _1793210)
   Exit: (191) [system] peek_char((0x55772f068e50), b)
^  Call: (191) [user] is_delimiter(b)
   Call: (192) [system] char_type(b, space)
   Fail: (192) [system] char_type(b, space)
   Call: (192) [system] arg(_1797930, v('(', ')', end_of_file), b)
   Fail: (192) [system] arg(_1798862, v('(', ')', end_of_file), b)
^  Fail: (191) [user] is_delimiter(b)
   Call: (191) [system] ')'==b
   Fail: (191) [system] ')'==b
   Call: (191) [system] get_char((0x55772f068e50), b)
   Exit: (191) [system] get_char((0x55772f068e50), b)
   Call: (191) [system] b=(\)
   Fail: (191) [system] b=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _1806212)
   Call: (192) [system] peek_char((0x55772f068e50), _1807146)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _1806212=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (191) [system] _1792276=[b]
   Exit: (191) [system] [b]=[b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (190) [system] _1778340=[k, b]
   Exit: (190) [system] [k, b]=[k, b]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [k, b])
^  Call: (189) [user] classify_and_convert_charseq([$, k, b], _1742830)
^  Call: (190) [user] classify_and_convert_charseq_([$, k, b], _1822018)
   Call: (191) [system] atom_chars(_1822950, ['_', k, b])
   Exit: (191) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (190) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (190) [system] integer(_kb)
   Fail: (190) [system] integer(_kb)
   Call: (190) [system] _1742830=_kb
   Exit: (190) [system] _kb=_kb
^  Exit: (189) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (188) [user] read_symbolic(')', (0x55772f068e50), $, _kb)
^  Exit: (187) [user] cont_sexpr(')', (0x55772f068e50), _kb)
^  Call: (187) [user] read_list(')', (0x55772f068e50), _1832242)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1834100)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x55772f068e50), _1843694)
   Exit: (189) [system] get_char((0x55772f068e50), ' ')
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1846398)
   Exit: (190) [system] peek_char((0x55772f068e50), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1863332)
   Exit: (188) [system] peek_char((0x55772f068e50), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x55772f068e50), _1868902)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1870760)
   Exit: (190) [system] peek_char((0x55772f068e50), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] get_char((0x55772f068e50), _1886770)
   Exit: (189) [system] get_char((0x55772f068e50), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x55772f068e50), $, _1868902)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _1904412)
   Call: (191) [system] peek_char((0x55772f068e50), _1905346)
   Exit: (191) [system] peek_char((0x55772f068e50), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_1910066, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_1910998, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x55772f068e50), r)
   Exit: (191) [system] get_char((0x55772f068e50), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _1918348)
   Call: (192) [system] peek_char((0x55772f068e50), _1919282)
   Exit: (192) [system] peek_char((0x55772f068e50), b)
^  Call: (192) [user] is_delimiter(b)
   Call: (193) [system] char_type(b, space)
   Fail: (193) [system] char_type(b, space)
   Call: (193) [system] arg(_1924002, v('(', ')', end_of_file), b)
   Fail: (193) [system] arg(_1924934, v('(', ')', end_of_file), b)
^  Fail: (192) [user] is_delimiter(b)
   Call: (192) [system] ')'==b
   Fail: (192) [system] ')'==b
   Call: (192) [system] get_char((0x55772f068e50), b)
   Exit: (192) [system] get_char((0x55772f068e50), b)
   Call: (192) [system] b=(\)
   Fail: (192) [system] b=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _1932284)
   Call: (193) [system] peek_char((0x55772f068e50), _1933218)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
^  Call: (193) [user] is_delimiter(' ')
   Call: (194) [system] char_type(' ', space)
   Exit: (194) [system] char_type(' ', space)
^  Exit: (193) [user] is_delimiter(' ')
   Call: (193) [system] _1932284=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (192) [system] _1918348=[b]
   Exit: (192) [system] [b]=[b]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (191) [system] _1904412=[r, b]
   Exit: (191) [system] [r, b]=[r, b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [r, b])
^  Call: (190) [user] classify_and_convert_charseq([$, r, b], _1868902)
^  Call: (191) [user] classify_and_convert_charseq_([$, r, b], _1948090)
   Call: (192) [system] atom_chars(_1949022, ['_', r, b])
   Exit: (192) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (191) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (191) [system] integer(_rb)
   Fail: (191) [system] integer(_rb)
   Call: (191) [system] _1868902=_rb
   Exit: (191) [system] _rb=_rb
^  Exit: (190) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (189) [user] read_symbolic(')', (0x55772f068e50), $, _rb)
^  Exit: (188) [user] cont_sexpr(')', (0x55772f068e50), _rb)
^  Call: (188) [user] read_list(')', (0x55772f068e50), _1958314)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1960172)
   Exit: (190) [system] peek_char((0x55772f068e50), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x55772f068e50), _1969766)
   Exit: (190) [system] get_char((0x55772f068e50), ' ')
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1972470)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1989404)
   Exit: (189) [system] peek_char((0x55772f068e50), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x55772f068e50), _1994974)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1996832)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] get_char((0x55772f068e50), _2012842)
   Exit: (190) [system] get_char((0x55772f068e50), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x55772f068e50), _1994974)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _2018412)
   Exit: (192) [system] peek_char((0x55772f068e50), 'S')
   Call: (192) [system] 'S'=(;)
   Fail: (192) [system] 'S'=(;)
   Call: (192) [system] 'S'=(/)
   Fail: (192) [system] 'S'=(/)
^  Call: (192) [user] is_like_space('S')
   Call: (193) [system] char_type('S', 'white')
   Fail: (193) [system] char_type('S', 'white')
   Call: (193) [system] char_type('S', end_of_line)
   Fail: (193) [system] char_type('S', end_of_line)
   Call: (193) [system] char_type('S', space)
   Fail: (193) [system] char_type('S', space)
   Call: (193) [system] char_type('S', cntrl)
   Fail: (193) [system] char_type('S', cntrl)
^  Fail: (192) [user] is_like_space('S')
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _2034422)
   Exit: (191) [system] peek_char((0x55772f068e50), 'S')
   Call: (191) [system] 'S'=')'
   Fail: (191) [system] 'S'=')'
   Call: (191) [system] 'S'=end_of_file
   Fail: (191) [system] 'S'=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x55772f068e50), _2039992)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _2041850)
   Exit: (193) [system] peek_char((0x55772f068e50), 'S')
   Call: (193) [system] 'S'=(;)
   Fail: (193) [system] 'S'=(;)
   Call: (193) [system] 'S'=(/)
   Fail: (193) [system] 'S'=(/)
^  Call: (193) [user] is_like_space('S')
   Call: (194) [system] char_type('S', 'white')
   Fail: (194) [system] char_type('S', 'white')
   Call: (194) [system] char_type('S', end_of_line)
   Fail: (194) [system] char_type('S', end_of_line)
   Call: (194) [system] char_type('S', space)
   Fail: (194) [system] char_type('S', space)
   Call: (194) [system] char_type('S', cntrl)
   Fail: (194) [system] char_type('S', cntrl)
^  Fail: (193) [user] is_like_space('S')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] get_char((0x55772f068e50), _2057860)
   Exit: (192) [system] get_char((0x55772f068e50), 'S')
   Call: (192) [system] 'S'='('
   Fail: (192) [system] 'S'='('
   Call: (192) [system] 'S'='['
   Fail: (192) [system] 'S'='['
   Call: (192) [system] 'S'='{'
   Fail: (192) [system] 'S'='{'
   Call: (192) [system] 'S'='"'
   Fail: (192) [system] 'S'='"'
   Call: (192) [system] 'S'=!
   Fail: (192) [system] 'S'=!
   Call: (192) [system] 'S'='\''
   Fail: (192) [system] 'S'='\''
   Call: (192) [system] 'S'='`'
   Fail: (192) [system] 'S'='`'
   Call: (192) [system] 'S'=end_of_file
   Fail: (192) [system] 'S'=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x55772f068e50), 'S', _2039992)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _2075502)
   Call: (194) [system] peek_char((0x55772f068e50), _2076436)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _2075502=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (193) [user] classify_and_convert_charseq(['S'], _2039992)
^  Call: (194) [user] classify_and_convert_charseq_(['S'], _2085720)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_2086672, _2086674), once(user:catch(read_from_chars(['S'], _2085720), _2086654, fail)), '$restore_trace'(_2086672, _2086674))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_2086672, _2086674))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _2085720), _2086654, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(_2085720)
   Fail: (195) [system] atomic(_2085720)
   Call: (195) [system] atom_chars(_2085720, ['S'])
   Exit: (195) [system] atom_chars('S', ['S'])
^  Exit: (194) [user] classify_and_convert_charseq_(['S'], 'S')
   Call: (194) [system] integer('S')
   Fail: (194) [system] integer('S')
   Call: (194) [system] _2039992='S'
   Exit: (194) [system] 'S'='S'
^  Exit: (193) [user] classify_and_convert_charseq(['S'], 'S')
^  Exit: (192) [user] read_symbolic(')', (0x55772f068e50), 'S', 'S')
^  Exit: (191) [user] cont_sexpr(')', (0x55772f068e50), 'S')
^  Call: (191) [user] read_list(')', (0x55772f068e50), _7110)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _8968)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _18562)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _21266)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _38200)
   Exit: (192) [system] peek_char((0x55772f068e50), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _43770)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _45628)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _61638)
   Exit: (193) [system] get_char((0x55772f068e50), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x55772f068e50), $, _43770)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _79280)
   Call: (195) [system] peek_char((0x55772f068e50), _80214)
   Exit: (195) [system] peek_char((0x55772f068e50), k)
^  Call: (195) [user] is_delimiter(k)
   Call: (196) [system] char_type(k, space)
   Fail: (196) [system] char_type(k, space)
   Call: (196) [system] arg(_84934, v('(', ')', end_of_file), k)
   Fail: (196) [system] arg(_85866, v('(', ')', end_of_file), k)
^  Fail: (195) [user] is_delimiter(k)
   Call: (195) [system] ')'==k
   Fail: (195) [system] ')'==k
   Call: (195) [system] get_char((0x55772f068e50), k)
   Exit: (195) [system] get_char((0x55772f068e50), k)
   Call: (195) [system] k=(\)
   Fail: (195) [system] k=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _93216)
   Call: (196) [system] peek_char((0x55772f068e50), _94150)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_98870, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _93216=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (195) [system] _79280=[k]
   Exit: (195) [system] [k]=[k]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
^  Call: (194) [user] classify_and_convert_charseq([$, k], _43770)
^  Call: (195) [user] classify_and_convert_charseq_([$, k], _108100)
   Call: (196) [system] atom_chars(_109032, ['_', k])
   Exit: (196) [system] atom_chars('_k', ['_', k])
^  Exit: (195) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (195) [system] integer(_k)
   Fail: (195) [system] integer(_k)
   Call: (195) [system] _43770=_k
   Exit: (195) [system] _k=_k
^  Exit: (194) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (193) [user] read_symbolic(')', (0x55772f068e50), $, _k)
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), _k)
^  Call: (192) [user] read_list(')', (0x55772f068e50), _118324)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _120182)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _136192)
   Exit: (193) [system] peek_char((0x55772f068e50), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x55772f068e50), _139982)
   Exit: (193) [system] get_char((0x55772f068e50), ')')
   Call: (193) [system] _118324=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [])
   Call: (192) [system] _7110=[_k]
   Exit: (192) [system] [_k]=[_k]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [_k])
   Call: (191) [system] _3402=['S', _k]
   Exit: (191) [system] ['S', _k]=['S', _k]
^  Exit: (190) [user] read_list(')', (0x55772f068e50), ['S', _k])
^  Exit: (189) [user] cont_sexpr(')', (0x55772f068e50), ['S', _k])
^  Call: (189) [user] read_list(')', (0x55772f068e50), _151070)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _152928)
   Exit: (191) [system] peek_char((0x55772f068e50), ')')
   Call: (191) [system] ')'=(;)
   Fail: (191) [system] ')'=(;)
   Call: (191) [system] ')'=(/)
   Fail: (191) [system] ')'=(/)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Fail: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Fail: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
   Fail: (192) [system] char_type(')', cntrl)
^  Fail: (191) [user] is_like_space(')')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _168938)
   Exit: (190) [system] peek_char((0x55772f068e50), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x55772f068e50), _172728)
   Exit: (190) [system] get_char((0x55772f068e50), ')')
   Call: (190) [system] _151070=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x55772f068e50), [])
   Call: (189) [system] _3398=[['S', _k]]
   Exit: (189) [system] [['S', _k]]=[['S', _k]]
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [['S', _k]])
   Call: (188) [system] _3388=[_rb, ['S', _k]]
   Exit: (188) [system] [_rb, ['S', _k]]=[_rb, ['S', _k]]
^  Exit: (187) [user] read_list(')', (0x55772f068e50), [_rb, ['S', _k]])
   Call: (187) [system] _3378=[_kb, _rb, ['S', _k]]
   Exit: (187) [system] [_kb, _rb, ['S', _k]]=[_kb, _rb, ['S', _k]]
^  Exit: (186) [user] read_list(')', (0x55772f068e50), [_kb, _rb, ['S', _k]])
   Call: (186) [system] _3368=[_query, _kb, _rb, ['S', _k]]
   Exit: (186) [system] [_query, _kb, _rb, ['S', _k]]=[_query, _kb, _rb, ['S', _k]]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [_query, _kb, _rb, ['S', _k]])
   Call: (185) [system] _3360=[synthesize, _query, _kb, _rb, ['S', _k]]
   Exit: (185) [system] [synthesize, _query, _kb, _rb, ['S', _k]]=[synthesize, _query, _kb, _rb, ['S', _k]]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Exit: (183) [user] cont_sexpr(')', (0x55772f068e50), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (183) [user] read_list(')', (0x55772f068e50), _192198)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _194056)
   Exit: (185) [system] peek_char((0x55772f068e50), '\n')
   Call: (185) [system] '\n'=(;)
   Fail: (185) [system] '\n'=(;)
   Call: (185) [system] '\n'=(/)
   Fail: (185) [system] '\n'=(/)
^  Call: (185) [user] is_like_space('\n')
   Call: (186) [system] char_type('\n', 'white')
   Fail: (186) [system] char_type('\n', 'white')
   Call: (186) [system] char_type('\n', end_of_line)
   Exit: (186) [system] char_type('\n', end_of_line)
^  Exit: (185) [user] is_like_space('\n')
   Call: (185) [system] get_char((0x55772f068e50), _205506)
   Exit: (185) [system] get_char((0x55772f068e50), '\n')
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _208210)
   Exit: (186) [system] peek_char((0x55772f068e50), ' ')
   Call: (186) [system] ' '=(;)
   Fail: (186) [system] ' '=(;)
   Call: (186) [system] ' '=(/)
   Fail: (186) [system] ' '=(/)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x55772f068e50), _217804)
   Exit: (186) [system] get_char((0x55772f068e50), ' ')
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _220508)
   Exit: (187) [system] peek_char((0x55772f068e50), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x55772f068e50), _230102)
   Exit: (187) [system] get_char((0x55772f068e50), ' ')
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _232806)
   Exit: (188) [system] peek_char((0x55772f068e50), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x55772f068e50), _242400)
   Exit: (188) [system] get_char((0x55772f068e50), ' ')
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _245104)
   Exit: (189) [system] peek_char((0x55772f068e50), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _264810)
   Exit: (184) [system] peek_char((0x55772f068e50), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x55772f068e50), _270380)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _272238)
   Exit: (186) [system] peek_char((0x55772f068e50), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] get_char((0x55772f068e50), _288248)
   Exit: (185) [system] get_char((0x55772f068e50), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x55772f068e50), _270380)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _293818)
   Exit: (187) [system] peek_char((0x55772f068e50), l)
   Call: (187) [system] l=(;)
   Fail: (187) [system] l=(;)
   Call: (187) [system] l=(/)
   Fail: (187) [system] l=(/)
^  Call: (187) [user] is_like_space(l)
   Call: (188) [system] char_type(l, 'white')
   Fail: (188) [system] char_type(l, 'white')
   Call: (188) [system] char_type(l, end_of_line)
   Fail: (188) [system] char_type(l, end_of_line)
   Call: (188) [system] char_type(l, space)
   Fail: (188) [system] char_type(l, space)
   Call: (188) [system] char_type(l, cntrl)
   Fail: (188) [system] char_type(l, cntrl)
^  Fail: (187) [user] is_like_space(l)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _309828)
   Exit: (186) [system] peek_char((0x55772f068e50), l)
   Call: (186) [system] l=')'
   Fail: (186) [system] l=')'
   Call: (186) [system] l=end_of_file
   Fail: (186) [system] l=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x55772f068e50), _315398)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _317256)
   Exit: (188) [system] peek_char((0x55772f068e50), l)
   Call: (188) [system] l=(;)
   Fail: (188) [system] l=(;)
   Call: (188) [system] l=(/)
   Fail: (188) [system] l=(/)
^  Call: (188) [user] is_like_space(l)
   Call: (189) [system] char_type(l, 'white')
   Fail: (189) [system] char_type(l, 'white')
   Call: (189) [system] char_type(l, end_of_line)
   Fail: (189) [system] char_type(l, end_of_line)
   Call: (189) [system] char_type(l, space)
   Fail: (189) [system] char_type(l, space)
   Call: (189) [system] char_type(l, cntrl)
   Fail: (189) [system] char_type(l, cntrl)
^  Fail: (188) [user] is_like_space(l)
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] get_char((0x55772f068e50), _333266)
   Exit: (187) [system] get_char((0x55772f068e50), l)
   Call: (187) [system] l='('
   Fail: (187) [system] l='('
   Call: (187) [system] l='['
   Fail: (187) [system] l='['
   Call: (187) [system] l='{'
   Fail: (187) [system] l='{'
   Call: (187) [system] l='"'
   Fail: (187) [system] l='"'
   Call: (187) [system] l=!
   Fail: (187) [system] l=!
   Call: (187) [system] l='\''
   Fail: (187) [system] l='\''
   Call: (187) [system] l='`'
   Fail: (187) [system] l='`'
   Call: (187) [system] l=end_of_file
   Fail: (187) [system] l=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x55772f068e50), l, _315398)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _350908)
   Call: (189) [system] peek_char((0x55772f068e50), _351842)
   Exit: (189) [system] peek_char((0x55772f068e50), e)
^  Call: (189) [user] is_delimiter(e)
   Call: (190) [system] char_type(e, space)
   Fail: (190) [system] char_type(e, space)
   Call: (190) [system] arg(_356562, v('(', ')', end_of_file), e)
   Fail: (190) [system] arg(_357494, v('(', ')', end_of_file), e)
^  Fail: (189) [user] is_delimiter(e)
   Call: (189) [system] ')'==e
   Fail: (189) [system] ')'==e
   Call: (189) [system] get_char((0x55772f068e50), e)
   Exit: (189) [system] get_char((0x55772f068e50), e)
   Call: (189) [system] e=(\)
   Fail: (189) [system] e=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _364844)
   Call: (190) [system] peek_char((0x55772f068e50), _365778)
   Exit: (190) [system] peek_char((0x55772f068e50), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_370498, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_371430, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x55772f068e50), t)
   Exit: (190) [system] get_char((0x55772f068e50), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _378780)
   Call: (191) [system] peek_char((0x55772f068e50), _379714)
   Exit: (191) [system] peek_char((0x55772f068e50), *)
^  Call: (191) [user] is_delimiter(*)
   Call: (192) [system] char_type(*, space)
   Fail: (192) [system] char_type(*, space)
   Call: (192) [system] arg(_384434, v('(', ')', end_of_file), *)
   Fail: (192) [system] arg(_385366, v('(', ')', end_of_file), *)
^  Fail: (191) [user] is_delimiter(*)
   Call: (191) [system] ')'==(*)
   Fail: (191) [system] ')'==(*)
   Call: (191) [system] get_char((0x55772f068e50), *)
   Exit: (191) [system] get_char((0x55772f068e50), *)
   Call: (191) [system] (*)=(\)
   Fail: (191) [system] (*)=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _392716)
   Call: (192) [system] peek_char((0x55772f068e50), _393650)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _392716=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (191) [system] _378780=[*]
   Exit: (191) [system] [*]=[*]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [*])
   Call: (190) [system] _364844=[t, *]
   Exit: (190) [system] [t, *]=[t, *]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [t, *])
   Call: (189) [system] _350908=[e, t, *]
   Exit: (189) [system] [e, t, *]=[e, t, *]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [e, t, *])
^  Call: (188) [user] classify_and_convert_charseq([l, e, t, *], _315398)
^  Call: (189) [user] classify_and_convert_charseq_([l, e, t, *], _411316)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_412268, _412270), once(user:catch(read_from_chars([l, e, t, *], _411316), _412250, fail)), '$restore_trace'(_412268, _412270))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_412268, _412270))
   Call: (190) [system] atom_chars(_3460, [l, e, t, *])
   Exit: (190) [system] atom_chars('let*', [l, e, t, *])
^  Exit: (189) [user] classify_and_convert_charseq_([l, e, t, *], 'let*')
   Call: (189) [system] integer('let*')
   Fail: (189) [system] integer('let*')
   Call: (189) [system] _3430='let*'
   Exit: (189) [system] 'let*'='let*'
^  Exit: (188) [user] classify_and_convert_charseq([l, e, t, *], 'let*')
^  Exit: (187) [user] read_symbolic(')', (0x55772f068e50), l, 'let*')
^  Exit: (186) [user] cont_sexpr(')', (0x55772f068e50), 'let*')
^  Call: (186) [user] read_list(')', (0x55772f068e50), _12826)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _14684)
   Exit: (188) [system] peek_char((0x55772f068e50), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x55772f068e50), _24278)
   Exit: (188) [system] get_char((0x55772f068e50), ' ')
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _26982)
   Exit: (189) [system] peek_char((0x55772f068e50), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _43916)
   Exit: (187) [system] peek_char((0x55772f068e50), '(')
   Call: (187) [system] '('=')'
   Fail: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
   Fail: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x55772f068e50), _49486)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _51344)
   Exit: (189) [system] peek_char((0x55772f068e50), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] get_char((0x55772f068e50), _67354)
   Exit: (188) [system] get_char((0x55772f068e50), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x55772f068e50), _49486)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _72924)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _88934)
   Exit: (189) [system] peek_char((0x55772f068e50), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x55772f068e50), _94504)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _96362)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] get_char((0x55772f068e50), _112372)
   Exit: (190) [system] get_char((0x55772f068e50), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x55772f068e50), _94504)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _117942)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _133952)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x55772f068e50), _139522)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _141380)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] get_char((0x55772f068e50), _157390)
   Exit: (192) [system] get_char((0x55772f068e50), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x55772f068e50), _139522)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _162960)
   Exit: (194) [system] peek_char((0x55772f068e50), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _178970)
   Exit: (193) [system] peek_char((0x55772f068e50), :)
   Call: (193) [system] (:)=')'
   Fail: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _184540)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _186398)
   Exit: (195) [system] peek_char((0x55772f068e50), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _202408)
   Exit: (194) [system] get_char((0x55772f068e50), :)
   Call: (194) [system] (:)='('
   Fail: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Fail: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Fail: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Fail: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Fail: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Fail: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Fail: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x55772f068e50), :, _184540)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _220050)
   Call: (196) [system] peek_char((0x55772f068e50), _220984)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _220050=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (195) [user] classify_and_convert_charseq([:], _184540)
^  Call: (196) [user] classify_and_convert_charseq_([:], _230268)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_231220, _231222), once(user:catch(read_from_chars([:], _230268), _231202, fail)), '$restore_trace'(_231220, _231222))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_231220, _231222))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _231202, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq_([:], :)
   Call: (196) [system] integer(:)
   Fail: (196) [system] integer(:)
   Call: (196) [system] _184540=(:)
   Exit: (196) [system] (:)=(:)
^  Exit: (195) [user] classify_and_convert_charseq([:], :)
^  Exit: (194) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (193) [user] read_list(')', (0x55772f068e50), _243348)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _245206)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _254800)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _257504)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _274438)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _280008)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _281866)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _297876)
   Exit: (195) [system] get_char((0x55772f068e50), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x55772f068e50), $, _280008)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _315518)
   Call: (197) [system] peek_char((0x55772f068e50), _316452)
   Exit: (197) [system] peek_char((0x55772f068e50), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_321172, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_322104, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x55772f068e50), r)
   Exit: (197) [system] get_char((0x55772f068e50), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _329454)
   Call: (198) [system] peek_char((0x55772f068e50), _330388)
   Exit: (198) [system] peek_char((0x55772f068e50), u)
^  Call: (198) [user] is_delimiter(u)
   Call: (199) [system] char_type(u, space)
   Fail: (199) [system] char_type(u, space)
   Call: (199) [system] arg(_335108, v('(', ')', end_of_file), u)
   Fail: (199) [system] arg(_336040, v('(', ')', end_of_file), u)
^  Fail: (198) [user] is_delimiter(u)
   Call: (198) [system] ')'==u
   Fail: (198) [system] ')'==u
   Call: (198) [system] get_char((0x55772f068e50), u)
   Exit: (198) [system] get_char((0x55772f068e50), u)
   Call: (198) [system] u=(\)
   Fail: (198) [system] u=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _343390)
   Call: (199) [system] peek_char((0x55772f068e50), _344324)
   Exit: (199) [system] peek_char((0x55772f068e50), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_349044, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_349976, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x55772f068e50), c)
   Exit: (199) [system] get_char((0x55772f068e50), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _357326)
   Call: (200) [system] peek_char((0x55772f068e50), _358260)
   Exit: (200) [system] peek_char((0x55772f068e50), t)
^  Call: (200) [user] is_delimiter(t)
   Call: (201) [system] char_type(t, space)
   Fail: (201) [system] char_type(t, space)
   Call: (201) [system] arg(_362980, v('(', ')', end_of_file), t)
   Fail: (201) [system] arg(_363912, v('(', ')', end_of_file), t)
^  Fail: (200) [user] is_delimiter(t)
   Call: (200) [system] ')'==t
   Fail: (200) [system] ')'==t
   Call: (200) [system] get_char((0x55772f068e50), t)
   Exit: (200) [system] get_char((0x55772f068e50), t)
   Call: (200) [system] t=(\)
   Fail: (200) [system] t=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _371262)
   Call: (201) [system] peek_char((0x55772f068e50), _372196)
   Exit: (201) [system] peek_char((0x55772f068e50), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_376916, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_377848, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x55772f068e50), o)
   Exit: (201) [system] get_char((0x55772f068e50), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _385198)
   Call: (202) [system] peek_char((0x55772f068e50), _386132)
   Exit: (202) [system] peek_char((0x55772f068e50), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_390852, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_391784, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x55772f068e50), r)
   Exit: (202) [system] get_char((0x55772f068e50), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _399134)
   Call: (203) [system] peek_char((0x55772f068e50), _400068)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _399134=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (202) [system] _385198=[r]
   Exit: (202) [system] [r]=[r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [r])
   Call: (201) [system] _371262=[o, r]
   Exit: (201) [system] [o, r]=[o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [o, r])
   Call: (200) [system] _357326=[t, o, r]
   Exit: (200) [system] [t, o, r]=[t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [t, o, r])
   Call: (199) [system] _343390=[c, t, o, r]
   Exit: (199) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, o, r])
   Call: (198) [system] _329454=[u, c, t, o, r]
   Exit: (198) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, o, r])
   Call: (197) [system] _315518=[r, u, c, t, o, r]
   Exit: (197) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [r, u, c, t, o, r])
^  Call: (196) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _280008)
^  Call: (197) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _426116)
   Call: (198) [system] atom_chars(_427048, ['_', r, u, c, t, o, r])
   Exit: (198) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (197) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _ructor)
   Call: (197) [system] integer(_ructor)
   Fail: (197) [system] integer(_ructor)
   Call: (197) [system] _280008=_ructor
   Exit: (197) [system] _ructor=_ructor
^  Exit: (196) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _ructor)
^  Exit: (195) [user] read_symbolic(')', (0x55772f068e50), $, _ructor)
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), _ructor)
^  Call: (194) [user] read_list(')', (0x55772f068e50), _436340)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _438198)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _447792)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _450496)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _467430)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _473000)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _474858)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _490868)
   Exit: (196) [system] get_char((0x55772f068e50), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x55772f068e50), _473000)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _496438)
   Exit: (198) [system] peek_char((0x55772f068e50), -)
   Call: (198) [system] (-)=(;)
   Fail: (198) [system] (-)=(;)
   Call: (198) [system] (-)=(/)
   Fail: (198) [system] (-)=(/)
^  Call: (198) [user] is_like_space(-)
   Call: (199) [system] char_type(-, 'white')
   Fail: (199) [system] char_type(-, 'white')
   Call: (199) [system] char_type(-, end_of_line)
   Fail: (199) [system] char_type(-, end_of_line)
   Call: (199) [system] char_type(-, space)
   Fail: (199) [system] char_type(-, space)
   Call: (199) [system] char_type(-, cntrl)
   Fail: (199) [system] char_type(-, cntrl)
^  Fail: (198) [user] is_like_space(-)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _512448)
   Exit: (197) [system] peek_char((0x55772f068e50), -)
   Call: (197) [system] (-)=')'
   Fail: (197) [system] (-)=')'
   Call: (197) [system] (-)=end_of_file
   Fail: (197) [system] (-)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _518018)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _519876)
   Exit: (199) [system] peek_char((0x55772f068e50), -)
   Call: (199) [system] (-)=(;)
   Fail: (199) [system] (-)=(;)
   Call: (199) [system] (-)=(/)
   Fail: (199) [system] (-)=(/)
^  Call: (199) [user] is_like_space(-)
   Call: (200) [system] char_type(-, 'white')
   Fail: (200) [system] char_type(-, 'white')
   Call: (200) [system] char_type(-, end_of_line)
   Fail: (200) [system] char_type(-, end_of_line)
   Call: (200) [system] char_type(-, space)
   Fail: (200) [system] char_type(-, space)
   Call: (200) [system] char_type(-, cntrl)
   Fail: (200) [system] char_type(-, cntrl)
^  Fail: (199) [user] is_like_space(-)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _535886)
   Exit: (198) [system] get_char((0x55772f068e50), -)
   Call: (198) [system] (-)='('
   Fail: (198) [system] (-)='('
   Call: (198) [system] (-)='['
   Fail: (198) [system] (-)='['
   Call: (198) [system] (-)='{'
   Fail: (198) [system] (-)='{'
   Call: (198) [system] (-)='"'
   Fail: (198) [system] (-)='"'
   Call: (198) [system] (-)=!
   Fail: (198) [system] (-)=!
   Call: (198) [system] (-)='\''
   Fail: (198) [system] (-)='\''
   Call: (198) [system] (-)='`'
   Fail: (198) [system] (-)='`'
   Call: (198) [system] (-)=end_of_file
   Fail: (198) [system] (-)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x55772f068e50), -, _518018)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _553528)
   Call: (200) [system] peek_char((0x55772f068e50), _554462)
   Exit: (200) [system] peek_char((0x55772f068e50), >)
^  Call: (200) [user] is_delimiter(>)
   Call: (201) [system] char_type(>, space)
   Fail: (201) [system] char_type(>, space)
   Call: (201) [system] arg(_559182, v('(', ')', end_of_file), >)
   Fail: (201) [system] arg(_560114, v('(', ')', end_of_file), >)
^  Fail: (200) [user] is_delimiter(>)
   Call: (200) [system] ')'==(>)
   Fail: (200) [system] ')'==(>)
   Call: (200) [system] get_char((0x55772f068e50), >)
   Exit: (200) [system] get_char((0x55772f068e50), >)
   Call: (200) [system] (>)=(\)
   Fail: (200) [system] (>)=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _567464)
   Call: (201) [system] peek_char((0x55772f068e50), _568398)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _567464=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (200) [system] _553528=[>]
   Exit: (200) [system] [>]=[>]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [>])
^  Call: (199) [user] classify_and_convert_charseq([-, >], _518018)
^  Call: (200) [user] classify_and_convert_charseq_([-, >], _580476)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_581428, _581430), once(user:catch(read_from_chars([-, >], _580476), _581410, fail)), '$restore_trace'(_581428, _581430))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_581428, _581430))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _581410, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(->)
   Exit: (201) [system] atomic(->)
^  Exit: (200) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (200) [system] integer(->)
   Fail: (200) [system] integer(->)
   Call: (200) [system] _518018=(->)
   Exit: (200) [system] (->)=(->)
^  Exit: (199) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (198) [user] read_symbolic(')', (0x55772f068e50), -, ->)
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), ->)
^  Call: (197) [user] read_list(')', (0x55772f068e50), _593556)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _595414)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _605008)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _607712)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _624646)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _630216)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _632074)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _648084)
   Exit: (199) [system] get_char((0x55772f068e50), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x55772f068e50), $, _630216)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _665726)
   Call: (201) [system] peek_char((0x55772f068e50), _666660)
   Exit: (201) [system] peek_char((0x55772f068e50), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_671380, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_672312, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x55772f068e50), p)
   Exit: (201) [system] get_char((0x55772f068e50), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _679662)
   Call: (202) [system] peek_char((0x55772f068e50), _680596)
   Exit: (202) [system] peek_char((0x55772f068e50), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_685316, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_686248, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x55772f068e50), r)
   Exit: (202) [system] get_char((0x55772f068e50), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _693598)
   Call: (203) [system] peek_char((0x55772f068e50), _694532)
   Exit: (203) [system] peek_char((0x55772f068e50), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_699252, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_700184, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x55772f068e50), e)
   Exit: (203) [system] get_char((0x55772f068e50), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _707534)
   Call: (204) [system] peek_char((0x55772f068e50), _708468)
   Exit: (204) [system] peek_char((0x55772f068e50), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_713188, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_714120, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x55772f068e50), m)
   Exit: (204) [system] get_char((0x55772f068e50), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _721470)
   Call: (205) [system] peek_char((0x55772f068e50), _722404)
   Exit: (205) [system] peek_char((0x55772f068e50), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_727124, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_728056, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x55772f068e50), i)
   Exit: (205) [system] get_char((0x55772f068e50), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _735406)
   Call: (206) [system] peek_char((0x55772f068e50), _736340)
   Exit: (206) [system] peek_char((0x55772f068e50), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_741060, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_741992, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x55772f068e50), s)
   Exit: (206) [system] get_char((0x55772f068e50), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _749342)
   Call: (207) [system] peek_char((0x55772f068e50), _750276)
   Exit: (207) [system] peek_char((0x55772f068e50), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_754996, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_755928, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x55772f068e50), e)
   Exit: (207) [system] get_char((0x55772f068e50), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _763278)
   Call: (208) [system] peek_char((0x55772f068e50), _764212)
   Exit: (208) [system] peek_char((0x55772f068e50), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Fail: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_768932, v('(', ')', end_of_file), '1')
   Fail: (209) [system] arg(_769864, v('(', ')', end_of_file), '1')
^  Fail: (208) [user] is_delimiter('1')
   Call: (208) [system] ')'=='1'
   Fail: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x55772f068e50), '1')
   Exit: (208) [system] get_char((0x55772f068e50), '1')
   Call: (208) [system] '1'=(\)
   Fail: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _777214)
   Call: (209) [system] peek_char((0x55772f068e50), _778148)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _777214=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (208) [system] _763278=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), ['1'])
   Call: (207) [system] _749342=[e, '1']
   Exit: (207) [system] [e, '1']=[e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '1'])
   Call: (206) [system] _735406=[s, e, '1']
   Exit: (206) [system] [s, e, '1']=[s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '1'])
   Call: (205) [system] _721470=[i, s, e, '1']
   Exit: (205) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '1'])
   Call: (204) [system] _707534=[m, i, s, e, '1']
   Exit: (204) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '1'])
   Call: (203) [system] _693598=[e, m, i, s, e, '1']
   Exit: (203) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '1'])
   Call: (202) [system] _679662=[r, e, m, i, s, e, '1']
   Exit: (202) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '1'])
   Call: (201) [system] _665726=[p, r, e, m, i, s, e, '1']
   Exit: (201) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '1'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _630216)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _809784)
   Call: (202) [system] atom_chars(_810716, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (202) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _premise1)
   Call: (201) [system] integer(_premise1)
   Fail: (201) [system] integer(_premise1)
   Call: (201) [system] _630216=_premise1
   Exit: (201) [system] _premise1=_premise1
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (199) [user] read_symbolic(')', (0x55772f068e50), $, _premise1)
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), _premise1)
^  Call: (198) [user] read_list(')', (0x55772f068e50), _820008)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _821866)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _831460)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _834164)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _851098)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _856668)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _858526)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _874536)
   Exit: (200) [system] get_char((0x55772f068e50), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), $, _856668)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _892178)
   Call: (202) [system] peek_char((0x55772f068e50), _893112)
   Exit: (202) [system] peek_char((0x55772f068e50), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_897832, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_898764, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x55772f068e50), p)
   Exit: (202) [system] get_char((0x55772f068e50), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _906114)
   Call: (203) [system] peek_char((0x55772f068e50), _907048)
   Exit: (203) [system] peek_char((0x55772f068e50), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_911768, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_912700, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x55772f068e50), r)
   Exit: (203) [system] get_char((0x55772f068e50), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _920050)
   Call: (204) [system] peek_char((0x55772f068e50), _920984)
   Exit: (204) [system] peek_char((0x55772f068e50), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_925704, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_926636, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x55772f068e50), e)
   Exit: (204) [system] get_char((0x55772f068e50), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _933986)
   Call: (205) [system] peek_char((0x55772f068e50), _934920)
   Exit: (205) [system] peek_char((0x55772f068e50), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Fail: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_939640, v('(', ')', end_of_file), m)
   Fail: (206) [system] arg(_940572, v('(', ')', end_of_file), m)
^  Fail: (205) [user] is_delimiter(m)
   Call: (205) [system] ')'==m
   Fail: (205) [system] ')'==m
   Call: (205) [system] get_char((0x55772f068e50), m)
   Exit: (205) [system] get_char((0x55772f068e50), m)
   Call: (205) [system] m=(\)
   Fail: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _947922)
   Call: (206) [system] peek_char((0x55772f068e50), _948856)
   Exit: (206) [system] peek_char((0x55772f068e50), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_953576, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_954508, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x55772f068e50), i)
   Exit: (206) [system] get_char((0x55772f068e50), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _961858)
   Call: (207) [system] peek_char((0x55772f068e50), _962792)
   Exit: (207) [system] peek_char((0x55772f068e50), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_967512, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_968444, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x55772f068e50), s)
   Exit: (207) [system] get_char((0x55772f068e50), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _975794)
   Call: (208) [system] peek_char((0x55772f068e50), _976728)
   Exit: (208) [system] peek_char((0x55772f068e50), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_981448, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_982380, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x55772f068e50), e)
   Exit: (208) [system] get_char((0x55772f068e50), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _989730)
   Call: (209) [system] peek_char((0x55772f068e50), _990664)
   Exit: (209) [system] peek_char((0x55772f068e50), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Fail: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_995384, v('(', ')', end_of_file), '2')
   Fail: (210) [system] arg(_996316, v('(', ')', end_of_file), '2')
^  Fail: (209) [user] is_delimiter('2')
   Call: (209) [system] ')'=='2'
   Fail: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x55772f068e50), '2')
   Exit: (209) [system] get_char((0x55772f068e50), '2')
   Call: (209) [system] '2'=(\)
   Fail: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1003666)
   Call: (210) [system] peek_char((0x55772f068e50), _1004600)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1003666=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (209) [system] _989730=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), ['2'])
   Call: (208) [system] _975794=[e, '2']
   Exit: (208) [system] [e, '2']=[e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '2'])
   Call: (207) [system] _961858=[s, e, '2']
   Exit: (207) [system] [s, e, '2']=[s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '2'])
   Call: (206) [system] _947922=[i, s, e, '2']
   Exit: (206) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '2'])
   Call: (205) [system] _933986=[m, i, s, e, '2']
   Exit: (205) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '2'])
   Call: (204) [system] _920050=[e, m, i, s, e, '2']
   Exit: (204) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '2'])
   Call: (203) [system] _906114=[r, e, m, i, s, e, '2']
   Exit: (203) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '2'])
   Call: (202) [system] _892178=[p, r, e, m, i, s, e, '2']
   Exit: (202) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '2'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _856668)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _1036236)
   Call: (203) [system] atom_chars(_1037168, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (203) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _premise2)
   Call: (202) [system] integer(_premise2)
   Fail: (202) [system] integer(_premise2)
   Call: (202) [system] _856668=_premise2
   Exit: (202) [system] _premise2=_premise2
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), $, _premise2)
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), _premise2)
^  Call: (199) [user] read_list(')', (0x55772f068e50), _1046460)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1048318)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _1057912)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1060616)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1077550)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _1083120)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1084978)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _1100988)
   Exit: (201) [system] get_char((0x55772f068e50), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), $, _1083120)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1118630)
   Call: (203) [system] peek_char((0x55772f068e50), _1119564)
   Exit: (203) [system] peek_char((0x55772f068e50), c)
^  Call: (203) [user] is_delimiter(c)
   Call: (204) [system] char_type(c, space)
   Fail: (204) [system] char_type(c, space)
   Call: (204) [system] arg(_1124284, v('(', ')', end_of_file), c)
   Fail: (204) [system] arg(_1125216, v('(', ')', end_of_file), c)
^  Fail: (203) [user] is_delimiter(c)
   Call: (203) [system] ')'==c
   Fail: (203) [system] ')'==c
   Call: (203) [system] get_char((0x55772f068e50), c)
   Exit: (203) [system] get_char((0x55772f068e50), c)
   Call: (203) [system] c=(\)
   Fail: (203) [system] c=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1132566)
   Call: (204) [system] peek_char((0x55772f068e50), _1133500)
   Exit: (204) [system] peek_char((0x55772f068e50), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1138220, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_1139152, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x55772f068e50), o)
   Exit: (204) [system] get_char((0x55772f068e50), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1146502)
   Call: (205) [system] peek_char((0x55772f068e50), _1147436)
   Exit: (205) [system] peek_char((0x55772f068e50), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1152156, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_1153088, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x55772f068e50), n)
   Exit: (205) [system] get_char((0x55772f068e50), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1160438)
   Call: (206) [system] peek_char((0x55772f068e50), _1161372)
   Exit: (206) [system] peek_char((0x55772f068e50), c)
^  Call: (206) [user] is_delimiter(c)
   Call: (207) [system] char_type(c, space)
   Fail: (207) [system] char_type(c, space)
   Call: (207) [system] arg(_1166092, v('(', ')', end_of_file), c)
   Fail: (207) [system] arg(_1167024, v('(', ')', end_of_file), c)
^  Fail: (206) [user] is_delimiter(c)
   Call: (206) [system] ')'==c
   Fail: (206) [system] ')'==c
   Call: (206) [system] get_char((0x55772f068e50), c)
   Exit: (206) [system] get_char((0x55772f068e50), c)
   Call: (206) [system] c=(\)
   Fail: (206) [system] c=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1174374)
   Call: (207) [system] peek_char((0x55772f068e50), _1175308)
   Exit: (207) [system] peek_char((0x55772f068e50), l)
^  Call: (207) [user] is_delimiter(l)
   Call: (208) [system] char_type(l, space)
   Fail: (208) [system] char_type(l, space)
   Call: (208) [system] arg(_1180028, v('(', ')', end_of_file), l)
   Fail: (208) [system] arg(_1180960, v('(', ')', end_of_file), l)
^  Fail: (207) [user] is_delimiter(l)
   Call: (207) [system] ')'==l
   Fail: (207) [system] ')'==l
   Call: (207) [system] get_char((0x55772f068e50), l)
   Exit: (207) [system] get_char((0x55772f068e50), l)
   Call: (207) [system] l=(\)
   Fail: (207) [system] l=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1188310)
   Call: (208) [system] peek_char((0x55772f068e50), _1189244)
   Exit: (208) [system] peek_char((0x55772f068e50), u)
^  Call: (208) [user] is_delimiter(u)
   Call: (209) [system] char_type(u, space)
   Fail: (209) [system] char_type(u, space)
   Call: (209) [system] arg(_1193964, v('(', ')', end_of_file), u)
   Fail: (209) [system] arg(_1194896, v('(', ')', end_of_file), u)
^  Fail: (208) [user] is_delimiter(u)
   Call: (208) [system] ')'==u
   Fail: (208) [system] ')'==u
   Call: (208) [system] get_char((0x55772f068e50), u)
   Exit: (208) [system] get_char((0x55772f068e50), u)
   Call: (208) [system] u=(\)
   Fail: (208) [system] u=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1202246)
   Call: (209) [system] peek_char((0x55772f068e50), _1203180)
   Exit: (209) [system] peek_char((0x55772f068e50), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_1207900, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_1208832, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x55772f068e50), s)
   Exit: (209) [system] get_char((0x55772f068e50), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1216182)
   Call: (210) [system] peek_char((0x55772f068e50), _1217116)
   Exit: (210) [system] peek_char((0x55772f068e50), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_1221836, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_1222768, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x55772f068e50), i)
   Exit: (210) [system] get_char((0x55772f068e50), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1230118)
   Call: (211) [system] peek_char((0x55772f068e50), _1231052)
   Exit: (211) [system] peek_char((0x55772f068e50), o)
^  Call: (211) [user] is_delimiter(o)
   Call: (212) [system] char_type(o, space)
   Fail: (212) [system] char_type(o, space)
   Call: (212) [system] arg(_1235772, v('(', ')', end_of_file), o)
   Fail: (212) [system] arg(_1236704, v('(', ')', end_of_file), o)
^  Fail: (211) [user] is_delimiter(o)
   Call: (211) [system] ')'==o
   Fail: (211) [system] ')'==o
   Call: (211) [system] get_char((0x55772f068e50), o)
   Exit: (211) [system] get_char((0x55772f068e50), o)
   Call: (211) [system] o=(\)
   Fail: (211) [system] o=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1244054)
   Call: (212) [system] peek_char((0x55772f068e50), _1244988)
   Exit: (212) [system] peek_char((0x55772f068e50), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_1249708, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_1250640, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x55772f068e50), n)
   Exit: (212) [system] get_char((0x55772f068e50), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1257990)
   Call: (213) [system] peek_char((0x55772f068e50), _1258924)
   Exit: (213) [system] peek_char((0x55772f068e50), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_1263644, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _1257990=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (212) [system] _1244054=[n]
   Exit: (212) [system] [n]=[n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (211) [system] _1230118=[o, n]
   Exit: (211) [system] [o, n]=[o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (210) [system] _1216182=[i, o, n]
   Exit: (210) [system] [i, o, n]=[i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (209) [system] _1202246=[s, i, o, n]
   Exit: (209) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [s, i, o, n])
   Call: (208) [system] _1188310=[u, s, i, o, n]
   Exit: (208) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [u, s, i, o, n])
   Call: (207) [system] _1174374=[l, u, s, i, o, n]
   Exit: (207) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [l, u, s, i, o, n])
   Call: (206) [system] _1160438=[c, l, u, s, i, o, n]
   Exit: (206) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [c, l, u, s, i, o, n])
   Call: (205) [system] _1146502=[n, c, l, u, s, i, o, n]
   Exit: (205) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, l, u, s, i, o, n])
   Call: (204) [system] _1132566=[o, n, c, l, u, s, i, o, n]
   Exit: (204) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, c, l, u, s, i, o, n])
   Call: (203) [system] _1118630=[c, o, n, c, l, u, s, i, o, n]
   Exit: (203) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [c, o, n, c, l, u, s, i, o, n])
^  Call: (202) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _1083120)
^  Call: (203) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _1298020)
   Call: (204) [system] atom_chars(_1298952, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (204) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (203) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
   Call: (203) [system] integer(_conclusion)
   Fail: (203) [system] integer(_conclusion)
   Call: (203) [system] _1083120=_conclusion
   Exit: (203) [system] _conclusion=_conclusion
^  Exit: (202) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), $, _conclusion)
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), _conclusion)
^  Call: (200) [user] read_list(')', (0x55772f068e50), _1308244)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1310102)
   Exit: (202) [system] peek_char((0x55772f068e50), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1326112)
   Exit: (201) [system] peek_char((0x55772f068e50), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x55772f068e50), _1329902)
   Exit: (201) [system] get_char((0x55772f068e50), ')')
   Call: (201) [system] _1308244=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [])
   Call: (200) [system] _1046460=[_conclusion]
   Exit: (200) [system] [_conclusion]=[_conclusion]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [_conclusion])
   Call: (199) [system] _820008=[_premise2, _conclusion]
   Exit: (199) [system] [_premise2, _conclusion]=[_premise2, _conclusion]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [_premise2, _conclusion])
   Call: (198) [system] _593556=[_premise1, _premise2, _conclusion]
   Exit: (198) [system] [_premise1, _premise2, _conclusion]=[_premise1, _premise2, _conclusion]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [_premise1, _premise2, _conclusion])
   Call: (197) [system] _473000=[->, _premise1, _premise2, _conclusion]
   Exit: (197) [system] [->, _premise1, _premise2, _conclusion]=[->, _premise1, _premise2, _conclusion]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [->, _premise1, _premise2, _conclusion])
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), [->, _premise1, _premise2, _conclusion])
^  Call: (195) [user] read_list(')', (0x55772f068e50), _1346578)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1348436)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1364446)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x55772f068e50), _1368236)
   Exit: (196) [system] get_char((0x55772f068e50), ')')
   Call: (196) [system] _1346578=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [])
   Call: (195) [system] _436340=[[->, _premise1, _premise2, _conclusion]]
   Exit: (195) [system] [[->, _premise1, _premise2, _conclusion]]=[[->, _premise1, _premise2, _conclusion]]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [[->, _premise1, _premise2, _conclusion]])
   Call: (194) [system] _243348=[_ructor, [->, _premise1, _premise2, _conclusion]]
   Exit: (194) [system] [_ructor, [->, _premise1, _premise2, _conclusion]]=[_ructor, [->, _premise1, _premise2, _conclusion]]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [_ructor, [->, _premise1, _premise2, _conclusion]])
   Call: (193) [system] _139522=[:, _ructor, [->, _premise1, _premise2, _conclusion]]
   Exit: (193) [system] [:, _ructor, [->, _premise1, _premise2, _conclusion]]=[:, _ructor, [->, _premise1, _premise2, _conclusion]]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [:, _ructor, [->, _premise1, _premise2, _conclusion]])
^  Exit: (191) [user] cont_sexpr(')', (0x55772f068e50), [:, _ructor, [->, _premise1, _premise2, _conclusion]])
^  Call: (191) [user] read_list(')', (0x55772f068e50), _1382118)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1383976)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _1393570)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1396274)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1413208)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _1418778)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1420636)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _1436646)
   Exit: (193) [system] get_char((0x55772f068e50), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x55772f068e50), _1418778)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1442216)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1458226)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _1463796)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1465654)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _1481664)
   Exit: (195) [system] get_char((0x55772f068e50), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x55772f068e50), $, _1463796)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1499306)
   Call: (197) [system] peek_char((0x55772f068e50), _1500240)
   Exit: (197) [system] peek_char((0x55772f068e50), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_1504960, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_1505892, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x55772f068e50), r)
   Exit: (197) [system] get_char((0x55772f068e50), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1513242)
   Call: (198) [system] peek_char((0x55772f068e50), _1514176)
   Exit: (198) [system] peek_char((0x55772f068e50), b)
^  Call: (198) [user] is_delimiter(b)
   Call: (199) [system] char_type(b, space)
   Fail: (199) [system] char_type(b, space)
   Call: (199) [system] arg(_1518896, v('(', ')', end_of_file), b)
   Fail: (199) [system] arg(_1519828, v('(', ')', end_of_file), b)
^  Fail: (198) [user] is_delimiter(b)
   Call: (198) [system] ')'==b
   Fail: (198) [system] ')'==b
   Call: (198) [system] get_char((0x55772f068e50), b)
   Exit: (198) [system] get_char((0x55772f068e50), b)
   Call: (198) [system] b=(\)
   Fail: (198) [system] b=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1527178)
   Call: (199) [system] peek_char((0x55772f068e50), _1528112)
   Exit: (199) [system] peek_char((0x55772f068e50), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1532832, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1527178=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (198) [system] _1513242=[b]
   Exit: (198) [system] [b]=[b]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (197) [system] _1499306=[r, b]
   Exit: (197) [system] [r, b]=[r, b]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [r, b])
^  Call: (196) [user] classify_and_convert_charseq([$, r, b], _1463796)
^  Call: (197) [user] classify_and_convert_charseq_([$, r, b], _1544856)
   Call: (198) [system] atom_chars(_1545788, ['_', r, b])
   Exit: (198) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (197) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (197) [system] integer(_rb)
   Fail: (197) [system] integer(_rb)
   Call: (197) [system] _1463796=_rb
   Exit: (197) [system] _rb=_rb
^  Exit: (196) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (195) [user] read_symbolic(')', (0x55772f068e50), $, _rb)
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), _rb)
^  Call: (194) [user] read_list(')', (0x55772f068e50), _1555080)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1556938)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1572948)
   Exit: (195) [system] peek_char((0x55772f068e50), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x55772f068e50), _1576738)
   Exit: (195) [system] get_char((0x55772f068e50), ')')
   Call: (195) [system] _1555080=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [])
   Call: (194) [system] _1418778=[_rb]
   Exit: (194) [system] [_rb]=[_rb]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [_rb])
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), [_rb])
^  Call: (192) [user] read_list(')', (0x55772f068e50), _1585032)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1586890)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1602900)
   Exit: (193) [system] peek_char((0x55772f068e50), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x55772f068e50), _1606690)
   Exit: (193) [system] get_char((0x55772f068e50), ')')
   Call: (193) [system] _1585032=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [])
   Call: (192) [system] _1382118=[[_rb]]
   Exit: (192) [system] [[_rb]]=[[_rb]]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [[_rb]])
   Call: (191) [system] _94504=[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]]
   Exit: (191) [system] [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]]=[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]]
^  Exit: (190) [user] read_list(')', (0x55772f068e50), [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]])
^  Exit: (189) [user] cont_sexpr(')', (0x55772f068e50), [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]])
^  Call: (189) [user] read_list(')', (0x55772f068e50), _1617778)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1619636)
   Exit: (191) [system] peek_char((0x55772f068e50), '\n')
   Call: (191) [system] '\n'=(;)
   Fail: (191) [system] '\n'=(;)
   Call: (191) [system] '\n'=(/)
   Fail: (191) [system] '\n'=(/)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Fail: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x55772f068e50), _1631086)
   Exit: (191) [system] get_char((0x55772f068e50), '\n')
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1633790)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x55772f068e50), _1643384)
   Exit: (192) [system] get_char((0x55772f068e50), ' ')
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1646088)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _1655682)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1658386)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _1667980)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1670684)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _1680278)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1682982)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _1692576)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1695280)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _1704874)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1707578)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _1717172)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1719876)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _1729470)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1732174)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _1741768)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1744472)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _1754066)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1756770)
   Exit: (202) [system] peek_char((0x55772f068e50), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1782944)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x55772f068e50), _1788514)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1790372)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] get_char((0x55772f068e50), _1806382)
   Exit: (191) [system] get_char((0x55772f068e50), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x55772f068e50), _1788514)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1811952)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1827962)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _1833532)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1835390)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _1851400)
   Exit: (193) [system] get_char((0x55772f068e50), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x55772f068e50), _1833532)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1856970)
   Exit: (195) [system] peek_char((0x55772f068e50), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1872980)
   Exit: (194) [system] peek_char((0x55772f068e50), :)
   Call: (194) [system] (:)=')'
   Fail: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _1878550)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1880408)
   Exit: (196) [system] peek_char((0x55772f068e50), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _1896418)
   Exit: (195) [system] get_char((0x55772f068e50), :)
   Call: (195) [system] (:)='('
   Fail: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Fail: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Fail: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Fail: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Fail: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Fail: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Fail: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x55772f068e50), :, _1878550)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1914060)
   Call: (197) [system] peek_char((0x55772f068e50), _1914994)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1914060=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (196) [user] classify_and_convert_charseq([:], _1878550)
^  Call: (197) [user] classify_and_convert_charseq_([:], _1924278)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1925230, _1925232), once(user:catch(read_from_chars([:], _1924278), _1925212, fail)), '$restore_trace'(_1925230, _1925232))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1925230, _1925232))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1925212, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq_([:], :)
   Call: (197) [system] integer(:)
   Fail: (197) [system] integer(:)
   Call: (197) [system] _1878550=(:)
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] classify_and_convert_charseq([:], :)
^  Exit: (195) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (194) [user] read_list(')', (0x55772f068e50), _1937358)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1939216)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _1948810)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1951514)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1968448)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _1974018)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1975876)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _1991886)
   Exit: (196) [system] get_char((0x55772f068e50), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x55772f068e50), _1974018)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1997456)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _2013466)
   Exit: (197) [system] peek_char((0x55772f068e50), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _2019036)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _2020894)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _2036904)
   Exit: (198) [system] get_char((0x55772f068e50), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x55772f068e50), $, _2019036)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _2054546)
   Call: (200) [system] peek_char((0x55772f068e50), _2055480)
   Exit: (200) [system] peek_char((0x55772f068e50), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_2060200, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_2061132, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x55772f068e50), r)
   Exit: (200) [system] get_char((0x55772f068e50), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _2068482)
   Call: (201) [system] peek_char((0x55772f068e50), _2069416)
   Exit: (201) [system] peek_char((0x55772f068e50), u)
^  Call: (201) [user] is_delimiter(u)
   Call: (202) [system] char_type(u, space)
   Fail: (202) [system] char_type(u, space)
   Call: (202) [system] arg(_2074136, v('(', ')', end_of_file), u)
   Fail: (202) [system] arg(_2075068, v('(', ')', end_of_file), u)
^  Fail: (201) [user] is_delimiter(u)
   Call: (201) [system] ')'==u
   Fail: (201) [system] ')'==u
   Call: (201) [system] get_char((0x55772f068e50), u)
   Exit: (201) [system] get_char((0x55772f068e50), u)
   Call: (201) [system] u=(\)
   Fail: (201) [system] u=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _2082418)
   Call: (202) [system] peek_char((0x55772f068e50), _2083352)
   Exit: (202) [system] peek_char((0x55772f068e50), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_2088072, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_2089004, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x55772f068e50), c)
   Exit: (202) [system] get_char((0x55772f068e50), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _3570)
   Call: (203) [system] peek_char((0x55772f068e50), _4100)
   Exit: (203) [system] peek_char((0x55772f068e50), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Fail: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_8820, v('(', ')', end_of_file), t)
   Fail: (204) [system] arg(_9752, v('(', ')', end_of_file), t)
^  Fail: (203) [user] is_delimiter(t)
   Call: (203) [system] ')'==t
   Fail: (203) [system] ')'==t
   Call: (203) [system] get_char((0x55772f068e50), t)
   Exit: (203) [system] get_char((0x55772f068e50), t)
   Call: (203) [system] t=(\)
   Fail: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _17102)
   Call: (204) [system] peek_char((0x55772f068e50), _18036)
   Exit: (204) [system] peek_char((0x55772f068e50), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_22756, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_23688, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x55772f068e50), o)
   Exit: (204) [system] get_char((0x55772f068e50), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _31038)
   Call: (205) [system] peek_char((0x55772f068e50), _31972)
   Exit: (205) [system] peek_char((0x55772f068e50), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_36692, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_37624, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x55772f068e50), r)
   Exit: (205) [system] get_char((0x55772f068e50), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _44974)
   Call: (206) [system] peek_char((0x55772f068e50), _45908)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _44974=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (205) [system] _31038=[r]
   Exit: (205) [system] [r]=[r]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [r])
   Call: (204) [system] _17102=[o, r]
   Exit: (204) [system] [o, r]=[o, r]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [o, r])
   Call: (203) [system] _3570=[t, o, r]
   Exit: (203) [system] [t, o, r]=[t, o, r]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [t, o, r])
   Call: (202) [system] _3564=[c, t, o, r]
   Exit: (202) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, o, r])
   Call: (201) [system] _3560=[u, c, t, o, r]
   Exit: (201) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, o, r])
   Call: (200) [system] _3556=[r, u, c, t, o, r]
   Exit: (200) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [r, u, c, t, o, r])
^  Call: (199) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _3552)
^  Call: (200) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _71956)
   Call: (201) [system] atom_chars(_72888, ['_', r, u, c, t, o, r])
   Exit: (201) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (200) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _ructor)
   Call: (200) [system] integer(_ructor)
   Fail: (200) [system] integer(_ructor)
   Call: (200) [system] _3552=_ructor
   Exit: (200) [system] _ructor=_ructor
^  Exit: (199) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _ructor)
^  Exit: (198) [user] read_symbolic(')', (0x55772f068e50), $, _ructor)
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), _ructor)
^  Call: (197) [user] read_list(')', (0x55772f068e50), _82180)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _84038)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _93632)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _96336)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _113270)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _118840)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _120698)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _136708)
   Exit: (199) [system] get_char((0x55772f068e50), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x55772f068e50), $, _118840)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _154350)
   Call: (201) [system] peek_char((0x55772f068e50), _155284)
   Exit: (201) [system] peek_char((0x55772f068e50), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_160004, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_160936, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x55772f068e50), p)
   Exit: (201) [system] get_char((0x55772f068e50), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _168286)
   Call: (202) [system] peek_char((0x55772f068e50), _169220)
   Exit: (202) [system] peek_char((0x55772f068e50), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_173940, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_174872, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x55772f068e50), r)
   Exit: (202) [system] get_char((0x55772f068e50), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _182222)
   Call: (203) [system] peek_char((0x55772f068e50), _183156)
   Exit: (203) [system] peek_char((0x55772f068e50), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_187876, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_188808, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x55772f068e50), o)
   Exit: (203) [system] get_char((0x55772f068e50), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _196158)
   Call: (204) [system] peek_char((0x55772f068e50), _197092)
   Exit: (204) [system] peek_char((0x55772f068e50), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_201812, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_202744, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x55772f068e50), o)
   Exit: (204) [system] get_char((0x55772f068e50), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _210094)
   Call: (205) [system] peek_char((0x55772f068e50), _211028)
   Exit: (205) [system] peek_char((0x55772f068e50), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Fail: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_215748, v('(', ')', end_of_file), f)
   Fail: (206) [system] arg(_216680, v('(', ')', end_of_file), f)
^  Fail: (205) [user] is_delimiter(f)
   Call: (205) [system] ')'==f
   Fail: (205) [system] ')'==f
   Call: (205) [system] get_char((0x55772f068e50), f)
   Exit: (205) [system] get_char((0x55772f068e50), f)
   Call: (205) [system] f=(\)
   Fail: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _224030)
   Call: (206) [system] peek_char((0x55772f068e50), _224964)
   Exit: (206) [system] peek_char((0x55772f068e50), '1')
^  Call: (206) [user] is_delimiter('1')
   Call: (207) [system] char_type('1', space)
   Fail: (207) [system] char_type('1', space)
   Call: (207) [system] arg(_229684, v('(', ')', end_of_file), '1')
   Fail: (207) [system] arg(_230616, v('(', ')', end_of_file), '1')
^  Fail: (206) [user] is_delimiter('1')
   Call: (206) [system] ')'=='1'
   Fail: (206) [system] ')'=='1'
   Call: (206) [system] get_char((0x55772f068e50), '1')
   Exit: (206) [system] get_char((0x55772f068e50), '1')
   Call: (206) [system] '1'=(\)
   Fail: (206) [system] '1'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _237966)
   Call: (207) [system] peek_char((0x55772f068e50), _238900)
   Exit: (207) [system] peek_char((0x55772f068e50), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _237966=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (206) [system] _224030=['1']
   Exit: (206) [system] ['1']=['1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), ['1'])
   Call: (205) [system] _210094=[f, '1']
   Exit: (205) [system] [f, '1']=[f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '1'])
   Call: (204) [system] _196158=[o, f, '1']
   Exit: (204) [system] [o, f, '1']=[o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '1'])
   Call: (203) [system] _182222=[o, o, f, '1']
   Exit: (203) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '1'])
   Call: (202) [system] _168286=[r, o, o, f, '1']
   Exit: (202) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '1'])
   Call: (201) [system] _154350=[p, r, o, o, f, '1']
   Exit: (201) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '1'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _118840)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _264948)
   Call: (202) [system] atom_chars(_265880, ['_', p, r, o, o, f, '1'])
   Exit: (202) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _proof1)
   Call: (201) [system] integer(_proof1)
   Fail: (201) [system] integer(_proof1)
   Call: (201) [system] _118840=_proof1
   Exit: (201) [system] _proof1=_proof1
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _proof1)
^  Exit: (199) [user] read_symbolic(')', (0x55772f068e50), $, _proof1)
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), _proof1)
^  Call: (198) [user] read_list(')', (0x55772f068e50), _275172)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _277030)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _286624)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _289328)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _306262)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _311832)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _313690)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _329700)
   Exit: (200) [system] get_char((0x55772f068e50), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), $, _311832)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _347342)
   Call: (202) [system] peek_char((0x55772f068e50), _348276)
   Exit: (202) [system] peek_char((0x55772f068e50), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_352996, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_353928, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x55772f068e50), p)
   Exit: (202) [system] get_char((0x55772f068e50), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _361278)
   Call: (203) [system] peek_char((0x55772f068e50), _362212)
   Exit: (203) [system] peek_char((0x55772f068e50), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_366932, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_367864, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x55772f068e50), r)
   Exit: (203) [system] get_char((0x55772f068e50), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _375214)
   Call: (204) [system] peek_char((0x55772f068e50), _376148)
   Exit: (204) [system] peek_char((0x55772f068e50), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_380868, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_381800, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x55772f068e50), o)
   Exit: (204) [system] get_char((0x55772f068e50), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _389150)
   Call: (205) [system] peek_char((0x55772f068e50), _390084)
   Exit: (205) [system] peek_char((0x55772f068e50), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_394804, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_395736, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x55772f068e50), o)
   Exit: (205) [system] get_char((0x55772f068e50), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _403086)
   Call: (206) [system] peek_char((0x55772f068e50), _404020)
   Exit: (206) [system] peek_char((0x55772f068e50), f)
^  Call: (206) [user] is_delimiter(f)
   Call: (207) [system] char_type(f, space)
   Fail: (207) [system] char_type(f, space)
   Call: (207) [system] arg(_408740, v('(', ')', end_of_file), f)
   Fail: (207) [system] arg(_409672, v('(', ')', end_of_file), f)
^  Fail: (206) [user] is_delimiter(f)
   Call: (206) [system] ')'==f
   Fail: (206) [system] ')'==f
   Call: (206) [system] get_char((0x55772f068e50), f)
   Exit: (206) [system] get_char((0x55772f068e50), f)
   Call: (206) [system] f=(\)
   Fail: (206) [system] f=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _417022)
   Call: (207) [system] peek_char((0x55772f068e50), _417956)
   Exit: (207) [system] peek_char((0x55772f068e50), '2')
^  Call: (207) [user] is_delimiter('2')
   Call: (208) [system] char_type('2', space)
   Fail: (208) [system] char_type('2', space)
   Call: (208) [system] arg(_422676, v('(', ')', end_of_file), '2')
   Fail: (208) [system] arg(_423608, v('(', ')', end_of_file), '2')
^  Fail: (207) [user] is_delimiter('2')
   Call: (207) [system] ')'=='2'
   Fail: (207) [system] ')'=='2'
   Call: (207) [system] get_char((0x55772f068e50), '2')
   Exit: (207) [system] get_char((0x55772f068e50), '2')
   Call: (207) [system] '2'=(\)
   Fail: (207) [system] '2'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _430958)
   Call: (208) [system] peek_char((0x55772f068e50), _431892)
   Exit: (208) [system] peek_char((0x55772f068e50), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_436612, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _430958=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (207) [system] _417022=['2']
   Exit: (207) [system] ['2']=['2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), ['2'])
   Call: (206) [system] _403086=[f, '2']
   Exit: (206) [system] [f, '2']=[f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '2'])
   Call: (205) [system] _389150=[o, f, '2']
   Exit: (205) [system] [o, f, '2']=[o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '2'])
   Call: (204) [system] _375214=[o, o, f, '2']
   Exit: (204) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '2'])
   Call: (203) [system] _361278=[r, o, o, f, '2']
   Exit: (203) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '2'])
   Call: (202) [system] _347342=[p, r, o, o, f, '2']
   Exit: (202) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '2'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _311832)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _459812)
   Call: (203) [system] atom_chars(_460744, ['_', p, r, o, o, f, '2'])
   Exit: (203) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _proof2)
   Call: (202) [system] integer(_proof2)
   Fail: (202) [system] integer(_proof2)
   Call: (202) [system] _311832=_proof2
   Exit: (202) [system] _proof2=_proof2
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _proof2)
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), $, _proof2)
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), _proof2)
^  Call: (199) [user] read_list(')', (0x55772f068e50), _470036)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _471894)
   Exit: (201) [system] peek_char((0x55772f068e50), ')')
   Call: (201) [system] ')'=(;)
   Fail: (201) [system] ')'=(;)
   Call: (201) [system] ')'=(/)
   Fail: (201) [system] ')'=(/)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Fail: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Fail: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
   Fail: (202) [system] char_type(')', cntrl)
^  Fail: (201) [user] is_like_space(')')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _487904)
   Exit: (200) [system] peek_char((0x55772f068e50), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x55772f068e50), _491694)
   Exit: (200) [system] get_char((0x55772f068e50), ')')
   Call: (200) [system] _470036=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [])
   Call: (199) [system] _275172=[_proof2]
   Exit: (199) [system] [_proof2]=[_proof2]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [_proof2])
   Call: (198) [system] _82180=[_proof1, _proof2]
   Exit: (198) [system] [_proof1, _proof2]=[_proof1, _proof2]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [_proof1, _proof2])
   Call: (197) [system] _3546=[_ructor, _proof1, _proof2]
   Exit: (197) [system] [_ructor, _proof1, _proof2]=[_ructor, _proof1, _proof2]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [_ructor, _proof1, _proof2])
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), [_ructor, _proof1, _proof2])
^  Call: (195) [user] read_list(')', (0x55772f068e50), _505576)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _507434)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _517028)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _519732)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _536666)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _542236)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _544094)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _560104)
   Exit: (197) [system] get_char((0x55772f068e50), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x55772f068e50), $, _542236)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _577746)
   Call: (199) [system] peek_char((0x55772f068e50), _578680)
   Exit: (199) [system] peek_char((0x55772f068e50), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_583400, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_584332, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x55772f068e50), c)
   Exit: (199) [system] get_char((0x55772f068e50), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _591682)
   Call: (200) [system] peek_char((0x55772f068e50), _592616)
   Exit: (200) [system] peek_char((0x55772f068e50), o)
^  Call: (200) [user] is_delimiter(o)
   Call: (201) [system] char_type(o, space)
   Fail: (201) [system] char_type(o, space)
   Call: (201) [system] arg(_597336, v('(', ')', end_of_file), o)
   Fail: (201) [system] arg(_598268, v('(', ')', end_of_file), o)
^  Fail: (200) [user] is_delimiter(o)
   Call: (200) [system] ')'==o
   Fail: (200) [system] ')'==o
   Call: (200) [system] get_char((0x55772f068e50), o)
   Exit: (200) [system] get_char((0x55772f068e50), o)
   Call: (200) [system] o=(\)
   Fail: (200) [system] o=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _605618)
   Call: (201) [system] peek_char((0x55772f068e50), _606552)
   Exit: (201) [system] peek_char((0x55772f068e50), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_611272, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_612204, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x55772f068e50), n)
   Exit: (201) [system] get_char((0x55772f068e50), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _619554)
   Call: (202) [system] peek_char((0x55772f068e50), _620488)
   Exit: (202) [system] peek_char((0x55772f068e50), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_625208, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_626140, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x55772f068e50), c)
   Exit: (202) [system] get_char((0x55772f068e50), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _633490)
   Call: (203) [system] peek_char((0x55772f068e50), _634424)
   Exit: (203) [system] peek_char((0x55772f068e50), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Fail: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_639144, v('(', ')', end_of_file), l)
   Fail: (204) [system] arg(_640076, v('(', ')', end_of_file), l)
^  Fail: (203) [user] is_delimiter(l)
   Call: (203) [system] ')'==l
   Fail: (203) [system] ')'==l
   Call: (203) [system] get_char((0x55772f068e50), l)
   Exit: (203) [system] get_char((0x55772f068e50), l)
   Call: (203) [system] l=(\)
   Fail: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _647426)
   Call: (204) [system] peek_char((0x55772f068e50), _648360)
   Exit: (204) [system] peek_char((0x55772f068e50), u)
^  Call: (204) [user] is_delimiter(u)
   Call: (205) [system] char_type(u, space)
   Fail: (205) [system] char_type(u, space)
   Call: (205) [system] arg(_653080, v('(', ')', end_of_file), u)
   Fail: (205) [system] arg(_654012, v('(', ')', end_of_file), u)
^  Fail: (204) [user] is_delimiter(u)
   Call: (204) [system] ')'==u
   Fail: (204) [system] ')'==u
   Call: (204) [system] get_char((0x55772f068e50), u)
   Exit: (204) [system] get_char((0x55772f068e50), u)
   Call: (204) [system] u=(\)
   Fail: (204) [system] u=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _661362)
   Call: (205) [system] peek_char((0x55772f068e50), _662296)
   Exit: (205) [system] peek_char((0x55772f068e50), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_667016, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_667948, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x55772f068e50), s)
   Exit: (205) [system] get_char((0x55772f068e50), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _675298)
   Call: (206) [system] peek_char((0x55772f068e50), _676232)
   Exit: (206) [system] peek_char((0x55772f068e50), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_680952, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_681884, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x55772f068e50), i)
   Exit: (206) [system] get_char((0x55772f068e50), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _689234)
   Call: (207) [system] peek_char((0x55772f068e50), _690168)
   Exit: (207) [system] peek_char((0x55772f068e50), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_694888, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_695820, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x55772f068e50), o)
   Exit: (207) [system] get_char((0x55772f068e50), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _703170)
   Call: (208) [system] peek_char((0x55772f068e50), _704104)
   Exit: (208) [system] peek_char((0x55772f068e50), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_708824, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_709756, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x55772f068e50), n)
   Exit: (208) [system] get_char((0x55772f068e50), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _717106)
   Call: (209) [system] peek_char((0x55772f068e50), _718040)
   Exit: (209) [system] peek_char((0x55772f068e50), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_722760, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _717106=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (208) [system] _703170=[n]
   Exit: (208) [system] [n]=[n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (207) [system] _689234=[o, n]
   Exit: (207) [system] [o, n]=[o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (206) [system] _675298=[i, o, n]
   Exit: (206) [system] [i, o, n]=[i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (205) [system] _661362=[s, i, o, n]
   Exit: (205) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [s, i, o, n])
   Call: (204) [system] _647426=[u, s, i, o, n]
   Exit: (204) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [u, s, i, o, n])
   Call: (203) [system] _633490=[l, u, s, i, o, n]
   Exit: (203) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [l, u, s, i, o, n])
   Call: (202) [system] _619554=[c, l, u, s, i, o, n]
   Exit: (202) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [c, l, u, s, i, o, n])
   Call: (201) [system] _605618=[n, c, l, u, s, i, o, n]
   Exit: (201) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, l, u, s, i, o, n])
   Call: (200) [system] _591682=[o, n, c, l, u, s, i, o, n]
   Exit: (200) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, c, l, u, s, i, o, n])
   Call: (199) [system] _577746=[c, o, n, c, l, u, s, i, o, n]
   Exit: (199) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [c, o, n, c, l, u, s, i, o, n])
^  Call: (198) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _542236)
^  Call: (199) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _757136)
   Call: (200) [system] atom_chars(_758068, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (200) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (199) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
   Call: (199) [system] integer(_conclusion)
   Fail: (199) [system] integer(_conclusion)
   Call: (199) [system] _542236=_conclusion
   Exit: (199) [system] _conclusion=_conclusion
^  Exit: (198) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (197) [user] read_symbolic(')', (0x55772f068e50), $, _conclusion)
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), _conclusion)
^  Call: (196) [user] read_list(')', (0x55772f068e50), _767360)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _769218)
   Exit: (198) [system] peek_char((0x55772f068e50), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _785228)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x55772f068e50), _789018)
   Exit: (197) [system] get_char((0x55772f068e50), ')')
   Call: (197) [system] _767360=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [])
   Call: (196) [system] _505576=[_conclusion]
   Exit: (196) [system] [_conclusion]=[_conclusion]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [_conclusion])
   Call: (195) [system] _3542=[[_ructor, _proof1, _proof2], _conclusion]
   Exit: (195) [system] [[_ructor, _proof1, _proof2], _conclusion]=[[_ructor, _proof1, _proof2], _conclusion]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [[_ructor, _proof1, _proof2], _conclusion])
   Call: (194) [system] _3534=[:, [_ructor, _proof1, _proof2], _conclusion]
   Exit: (194) [system] [:, [_ructor, _proof1, _proof2], _conclusion]=[:, [_ructor, _proof1, _proof2], _conclusion]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [:, [_ructor, _proof1, _proof2], _conclusion])
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), [:, [_ructor, _proof1, _proof2], _conclusion])
^  Call: (192) [user] read_list(')', (0x55772f068e50), _802900)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _804758)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _814352)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _817056)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _833990)
   Exit: (193) [system] peek_char((0x55772f068e50), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _839560)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _841418)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _857428)
   Exit: (194) [system] get_char((0x55772f068e50), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x55772f068e50), $, _839560)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _875070)
   Call: (196) [system] peek_char((0x55772f068e50), _876004)
   Exit: (196) [system] peek_char((0x55772f068e50), q)
^  Call: (196) [user] is_delimiter(q)
   Call: (197) [system] char_type(q, space)
   Fail: (197) [system] char_type(q, space)
   Call: (197) [system] arg(_880724, v('(', ')', end_of_file), q)
   Fail: (197) [system] arg(_881656, v('(', ')', end_of_file), q)
^  Fail: (196) [user] is_delimiter(q)
   Call: (196) [system] ')'==q
   Fail: (196) [system] ')'==q
   Call: (196) [system] get_char((0x55772f068e50), q)
   Exit: (196) [system] get_char((0x55772f068e50), q)
   Call: (196) [system] q=(\)
   Fail: (196) [system] q=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _889006)
   Call: (197) [system] peek_char((0x55772f068e50), _889940)
   Exit: (197) [system] peek_char((0x55772f068e50), u)
^  Call: (197) [user] is_delimiter(u)
   Call: (198) [system] char_type(u, space)
   Fail: (198) [system] char_type(u, space)
   Call: (198) [system] arg(_894660, v('(', ')', end_of_file), u)
   Fail: (198) [system] arg(_895592, v('(', ')', end_of_file), u)
^  Fail: (197) [user] is_delimiter(u)
   Call: (197) [system] ')'==u
   Fail: (197) [system] ')'==u
   Call: (197) [system] get_char((0x55772f068e50), u)
   Exit: (197) [system] get_char((0x55772f068e50), u)
   Call: (197) [system] u=(\)
   Fail: (197) [system] u=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _902942)
   Call: (198) [system] peek_char((0x55772f068e50), _903876)
   Exit: (198) [system] peek_char((0x55772f068e50), e)
^  Call: (198) [user] is_delimiter(e)
   Call: (199) [system] char_type(e, space)
   Fail: (199) [system] char_type(e, space)
   Call: (199) [system] arg(_908596, v('(', ')', end_of_file), e)
   Fail: (199) [system] arg(_909528, v('(', ')', end_of_file), e)
^  Fail: (198) [user] is_delimiter(e)
   Call: (198) [system] ')'==e
   Fail: (198) [system] ')'==e
   Call: (198) [system] get_char((0x55772f068e50), e)
   Exit: (198) [system] get_char((0x55772f068e50), e)
   Call: (198) [system] e=(\)
   Fail: (198) [system] e=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _916878)
   Call: (199) [system] peek_char((0x55772f068e50), _917812)
   Exit: (199) [system] peek_char((0x55772f068e50), r)
^  Call: (199) [user] is_delimiter(r)
   Call: (200) [system] char_type(r, space)
   Fail: (200) [system] char_type(r, space)
   Call: (200) [system] arg(_922532, v('(', ')', end_of_file), r)
   Fail: (200) [system] arg(_923464, v('(', ')', end_of_file), r)
^  Fail: (199) [user] is_delimiter(r)
   Call: (199) [system] ')'==r
   Fail: (199) [system] ')'==r
   Call: (199) [system] get_char((0x55772f068e50), r)
   Exit: (199) [system] get_char((0x55772f068e50), r)
   Call: (199) [system] r=(\)
   Fail: (199) [system] r=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _930814)
   Call: (200) [system] peek_char((0x55772f068e50), _931748)
   Exit: (200) [system] peek_char((0x55772f068e50), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Fail: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_936468, v('(', ')', end_of_file), y)
   Fail: (201) [system] arg(_937400, v('(', ')', end_of_file), y)
^  Fail: (200) [user] is_delimiter(y)
   Call: (200) [system] ')'==y
   Fail: (200) [system] ')'==y
   Call: (200) [system] get_char((0x55772f068e50), y)
   Exit: (200) [system] get_char((0x55772f068e50), y)
   Call: (200) [system] y=(\)
   Fail: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _944750)
   Call: (201) [system] peek_char((0x55772f068e50), _945684)
   Exit: (201) [system] peek_char((0x55772f068e50), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_950404, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _944750=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (200) [system] _930814=[y]
   Exit: (200) [system] [y]=[y]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [y])
   Call: (199) [system] _916878=[r, y]
   Exit: (199) [system] [r, y]=[r, y]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [r, y])
   Call: (198) [system] _902942=[e, r, y]
   Exit: (198) [system] [e, r, y]=[e, r, y]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [e, r, y])
   Call: (197) [system] _889006=[u, e, r, y]
   Exit: (197) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [u, e, r, y])
   Call: (196) [system] _875070=[q, u, e, r, y]
   Exit: (196) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [q, u, e, r, y])
^  Call: (195) [user] classify_and_convert_charseq([$, q, u, e, r, y], _839560)
^  Call: (196) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _970810)
   Call: (197) [system] atom_chars(_971742, ['_', q, u, e, r, y])
   Exit: (197) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (196) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (196) [system] integer(_query)
   Fail: (196) [system] integer(_query)
   Call: (196) [system] _839560=_query
   Exit: (196) [system] _query=_query
^  Exit: (195) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (194) [user] read_symbolic(')', (0x55772f068e50), $, _query)
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), _query)
^  Call: (193) [user] read_list(')', (0x55772f068e50), _981034)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _982892)
   Exit: (195) [system] peek_char((0x55772f068e50), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _998902)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x55772f068e50), _1002692)
   Exit: (194) [system] get_char((0x55772f068e50), ')')
   Call: (194) [system] _981034=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [])
   Call: (193) [system] _802900=[_query]
   Exit: (193) [system] [_query]=[_query]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [_query])
   Call: (192) [system] _3528=[[:, [_ructor, _proof1, _proof2], _conclusion], _query]
   Exit: (192) [system] [[:, [_ructor, _proof1, _proof2], _conclusion], _query]=[[:, [_ructor, _proof1, _proof2], _conclusion], _query]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [[:, [_ructor, _proof1, _proof2], _conclusion], _query])
^  Exit: (190) [user] cont_sexpr(')', (0x55772f068e50), [[:, [_ructor, _proof1, _proof2], _conclusion], _query])
^  Call: (190) [user] read_list(')', (0x55772f068e50), _1013780)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1015638)
   Exit: (192) [system] peek_char((0x55772f068e50), '\n')
   Call: (192) [system] '\n'=(;)
   Fail: (192) [system] '\n'=(;)
   Call: (192) [system] '\n'=(/)
   Fail: (192) [system] '\n'=(/)
^  Call: (192) [user] is_like_space('\n')
   Call: (193) [system] char_type('\n', 'white')
   Fail: (193) [system] char_type('\n', 'white')
   Call: (193) [system] char_type('\n', end_of_line)
   Exit: (193) [system] char_type('\n', end_of_line)
^  Exit: (192) [user] is_like_space('\n')
   Call: (192) [system] get_char((0x55772f068e50), _1027088)
   Exit: (192) [system] get_char((0x55772f068e50), '\n')
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1029792)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _1039386)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1042090)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _1051684)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1054388)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _1063982)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1066686)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _1076280)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1078984)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _1088578)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1091282)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _1100876)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1103580)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _1113174)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1115878)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _1125472)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1128176)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _1137770)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1140474)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _1150068)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1152772)
   Exit: (203) [system] peek_char((0x55772f068e50), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1178946)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x55772f068e50), _1184516)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1186374)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] get_char((0x55772f068e50), _1202384)
   Exit: (192) [system] get_char((0x55772f068e50), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x55772f068e50), _1184516)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1207954)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1223964)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _1229534)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1231392)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _1247402)
   Exit: (194) [system] get_char((0x55772f068e50), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x55772f068e50), _1229534)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1252972)
   Exit: (196) [system] peek_char((0x55772f068e50), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1268982)
   Exit: (195) [system] peek_char((0x55772f068e50), :)
   Call: (195) [system] (:)=')'
   Fail: (195) [system] (:)=')'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _1274552)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1276410)
   Exit: (197) [system] peek_char((0x55772f068e50), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
   Call: (197) [system] (:)=(/)
   Fail: (197) [system] (:)=(/)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _1292420)
   Exit: (196) [system] get_char((0x55772f068e50), :)
   Call: (196) [system] (:)='('
   Fail: (196) [system] (:)='('
   Call: (196) [system] (:)='['
   Fail: (196) [system] (:)='['
   Call: (196) [system] (:)='{'
   Fail: (196) [system] (:)='{'
   Call: (196) [system] (:)='"'
   Fail: (196) [system] (:)='"'
   Call: (196) [system] (:)=!
   Fail: (196) [system] (:)=!
   Call: (196) [system] (:)='\''
   Fail: (196) [system] (:)='\''
   Call: (196) [system] (:)='`'
   Fail: (196) [system] (:)='`'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x55772f068e50), :, _1274552)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1310062)
   Call: (198) [system] peek_char((0x55772f068e50), _1310996)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1310062=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (197) [user] classify_and_convert_charseq([:], _1274552)
^  Call: (198) [user] classify_and_convert_charseq_([:], _1320280)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_1321232, _1321234), once(user:catch(read_from_chars([:], _1320280), _1321214, fail)), '$restore_trace'(_1321232, _1321234))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_1321232, _1321234))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1321214, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(:)
   Exit: (199) [system] atomic(:)
^  Exit: (198) [user] classify_and_convert_charseq_([:], :)
   Call: (198) [system] integer(:)
   Fail: (198) [system] integer(:)
   Call: (198) [system] _1274552=(:)
   Exit: (198) [system] (:)=(:)
^  Exit: (197) [user] classify_and_convert_charseq([:], :)
^  Exit: (196) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (195) [user] read_list(')', (0x55772f068e50), _1333360)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1335218)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _1344812)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1347516)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1364450)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _1370020)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1371878)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _1387888)
   Exit: (197) [system] get_char((0x55772f068e50), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x55772f068e50), $, _1370020)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1405530)
   Call: (199) [system] peek_char((0x55772f068e50), _1406464)
   Exit: (199) [system] peek_char((0x55772f068e50), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_1411184, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_1412116, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x55772f068e50), p)
   Exit: (199) [system] get_char((0x55772f068e50), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1419466)
   Call: (200) [system] peek_char((0x55772f068e50), _1420400)
   Exit: (200) [system] peek_char((0x55772f068e50), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_1425120, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_1426052, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x55772f068e50), r)
   Exit: (200) [system] get_char((0x55772f068e50), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1433402)
   Call: (201) [system] peek_char((0x55772f068e50), _1434336)
   Exit: (201) [system] peek_char((0x55772f068e50), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_1439056, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_1439988, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x55772f068e50), o)
   Exit: (201) [system] get_char((0x55772f068e50), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1447338)
   Call: (202) [system] peek_char((0x55772f068e50), _1448272)
   Exit: (202) [system] peek_char((0x55772f068e50), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_1452992, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_1453924, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x55772f068e50), o)
   Exit: (202) [system] get_char((0x55772f068e50), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1461274)
   Call: (203) [system] peek_char((0x55772f068e50), _1462208)
   Exit: (203) [system] peek_char((0x55772f068e50), f)
^  Call: (203) [user] is_delimiter(f)
   Call: (204) [system] char_type(f, space)
   Fail: (204) [system] char_type(f, space)
   Call: (204) [system] arg(_1466928, v('(', ')', end_of_file), f)
   Fail: (204) [system] arg(_1467860, v('(', ')', end_of_file), f)
^  Fail: (203) [user] is_delimiter(f)
   Call: (203) [system] ')'==f
   Fail: (203) [system] ')'==f
   Call: (203) [system] get_char((0x55772f068e50), f)
   Exit: (203) [system] get_char((0x55772f068e50), f)
   Call: (203) [system] f=(\)
   Fail: (203) [system] f=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1475210)
   Call: (204) [system] peek_char((0x55772f068e50), _1476144)
   Exit: (204) [system] peek_char((0x55772f068e50), '1')
^  Call: (204) [user] is_delimiter('1')
   Call: (205) [system] char_type('1', space)
   Fail: (205) [system] char_type('1', space)
   Call: (205) [system] arg(_1480864, v('(', ')', end_of_file), '1')
   Fail: (205) [system] arg(_1481796, v('(', ')', end_of_file), '1')
^  Fail: (204) [user] is_delimiter('1')
   Call: (204) [system] ')'=='1'
   Fail: (204) [system] ')'=='1'
   Call: (204) [system] get_char((0x55772f068e50), '1')
   Exit: (204) [system] get_char((0x55772f068e50), '1')
   Call: (204) [system] '1'=(\)
   Fail: (204) [system] '1'=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1489146)
   Call: (205) [system] peek_char((0x55772f068e50), _1490080)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1489146=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (204) [system] _1475210=['1']
   Exit: (204) [system] ['1']=['1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), ['1'])
   Call: (203) [system] _1461274=[f, '1']
   Exit: (203) [system] [f, '1']=[f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '1'])
   Call: (202) [system] _1447338=[o, f, '1']
   Exit: (202) [system] [o, f, '1']=[o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '1'])
   Call: (201) [system] _1433402=[o, o, f, '1']
   Exit: (201) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '1'])
   Call: (200) [system] _1419466=[r, o, o, f, '1']
   Exit: (200) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '1'])
   Call: (199) [system] _1405530=[p, r, o, o, f, '1']
   Exit: (199) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '1'])
^  Call: (198) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _1370020)
^  Call: (199) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _1516128)
   Call: (200) [system] atom_chars(_1517060, ['_', p, r, o, o, f, '1'])
   Exit: (200) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (199) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _proof1)
   Call: (199) [system] integer(_proof1)
   Fail: (199) [system] integer(_proof1)
   Call: (199) [system] _1370020=_proof1
   Exit: (199) [system] _proof1=_proof1
^  Exit: (198) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _proof1)
^  Exit: (197) [user] read_symbolic(')', (0x55772f068e50), $, _proof1)
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), _proof1)
^  Call: (196) [user] read_list(')', (0x55772f068e50), _1526352)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1528210)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _1537804)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1540508)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1557442)
   Exit: (197) [system] peek_char((0x55772f068e50), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _1563012)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1564870)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _1580880)
   Exit: (198) [system] get_char((0x55772f068e50), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x55772f068e50), $, _1563012)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1598522)
   Call: (200) [system] peek_char((0x55772f068e50), _1599456)
   Exit: (200) [system] peek_char((0x55772f068e50), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_1604176, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_1605108, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x55772f068e50), p)
   Exit: (200) [system] get_char((0x55772f068e50), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1612458)
   Call: (201) [system] peek_char((0x55772f068e50), _1613392)
   Exit: (201) [system] peek_char((0x55772f068e50), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Fail: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_1618112, v('(', ')', end_of_file), r)
   Fail: (202) [system] arg(_1619044, v('(', ')', end_of_file), r)
^  Fail: (201) [user] is_delimiter(r)
   Call: (201) [system] ')'==r
   Fail: (201) [system] ')'==r
   Call: (201) [system] get_char((0x55772f068e50), r)
   Exit: (201) [system] get_char((0x55772f068e50), r)
   Call: (201) [system] r=(\)
   Fail: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1626394)
   Call: (202) [system] peek_char((0x55772f068e50), _1627328)
   Exit: (202) [system] peek_char((0x55772f068e50), e)
^  Call: (202) [user] is_delimiter(e)
   Call: (203) [system] char_type(e, space)
   Fail: (203) [system] char_type(e, space)
   Call: (203) [system] arg(_1632048, v('(', ')', end_of_file), e)
   Fail: (203) [system] arg(_1632980, v('(', ')', end_of_file), e)
^  Fail: (202) [user] is_delimiter(e)
   Call: (202) [system] ')'==e
   Fail: (202) [system] ')'==e
   Call: (202) [system] get_char((0x55772f068e50), e)
   Exit: (202) [system] get_char((0x55772f068e50), e)
   Call: (202) [system] e=(\)
   Fail: (202) [system] e=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1640330)
   Call: (203) [system] peek_char((0x55772f068e50), _1641264)
   Exit: (203) [system] peek_char((0x55772f068e50), m)
^  Call: (203) [user] is_delimiter(m)
   Call: (204) [system] char_type(m, space)
   Fail: (204) [system] char_type(m, space)
   Call: (204) [system] arg(_1645984, v('(', ')', end_of_file), m)
   Fail: (204) [system] arg(_1646916, v('(', ')', end_of_file), m)
^  Fail: (203) [user] is_delimiter(m)
   Call: (203) [system] ')'==m
   Fail: (203) [system] ')'==m
   Call: (203) [system] get_char((0x55772f068e50), m)
   Exit: (203) [system] get_char((0x55772f068e50), m)
   Call: (203) [system] m=(\)
   Fail: (203) [system] m=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1654266)
   Call: (204) [system] peek_char((0x55772f068e50), _1655200)
   Exit: (204) [system] peek_char((0x55772f068e50), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_1659920, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_1660852, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x55772f068e50), i)
   Exit: (204) [system] get_char((0x55772f068e50), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1668202)
   Call: (205) [system] peek_char((0x55772f068e50), _1669136)
   Exit: (205) [system] peek_char((0x55772f068e50), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_1673856, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_1674788, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x55772f068e50), s)
   Exit: (205) [system] get_char((0x55772f068e50), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1682138)
   Call: (206) [system] peek_char((0x55772f068e50), _1683072)
   Exit: (206) [system] peek_char((0x55772f068e50), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_1687792, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_1688724, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x55772f068e50), e)
   Exit: (206) [system] get_char((0x55772f068e50), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1696074)
   Call: (207) [system] peek_char((0x55772f068e50), _1697008)
   Exit: (207) [system] peek_char((0x55772f068e50), '1')
^  Call: (207) [user] is_delimiter('1')
   Call: (208) [system] char_type('1', space)
   Fail: (208) [system] char_type('1', space)
   Call: (208) [system] arg(_1701728, v('(', ')', end_of_file), '1')
   Fail: (208) [system] arg(_1702660, v('(', ')', end_of_file), '1')
^  Fail: (207) [user] is_delimiter('1')
   Call: (207) [system] ')'=='1'
   Fail: (207) [system] ')'=='1'
   Call: (207) [system] get_char((0x55772f068e50), '1')
   Exit: (207) [system] get_char((0x55772f068e50), '1')
   Call: (207) [system] '1'=(\)
   Fail: (207) [system] '1'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1710010)
   Call: (208) [system] peek_char((0x55772f068e50), _1710944)
   Exit: (208) [system] peek_char((0x55772f068e50), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_1715664, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _1710010=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (207) [system] _1696074=['1']
   Exit: (207) [system] ['1']=['1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), ['1'])
   Call: (206) [system] _1682138=[e, '1']
   Exit: (206) [system] [e, '1']=[e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '1'])
   Call: (205) [system] _1668202=[s, e, '1']
   Exit: (205) [system] [s, e, '1']=[s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '1'])
   Call: (204) [system] _1654266=[i, s, e, '1']
   Exit: (204) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '1'])
   Call: (203) [system] _1640330=[m, i, s, e, '1']
   Exit: (203) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '1'])
   Call: (202) [system] _1626394=[e, m, i, s, e, '1']
   Exit: (202) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '1'])
   Call: (201) [system] _1612458=[r, e, m, i, s, e, '1']
   Exit: (201) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '1'])
   Call: (200) [system] _1598522=[p, r, e, m, i, s, e, '1']
   Exit: (200) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '1'])
^  Call: (199) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _1563012)
^  Call: (200) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _1744452)
   Call: (201) [system] atom_chars(_1745384, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (201) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (200) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _premise1)
   Call: (200) [system] integer(_premise1)
   Fail: (200) [system] integer(_premise1)
   Call: (200) [system] _1563012=_premise1
   Exit: (200) [system] _premise1=_premise1
^  Exit: (199) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (198) [user] read_symbolic(')', (0x55772f068e50), $, _premise1)
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), _premise1)
^  Call: (197) [user] read_list(')', (0x55772f068e50), _1754676)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1756534)
   Exit: (199) [system] peek_char((0x55772f068e50), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1772544)
   Exit: (198) [system] peek_char((0x55772f068e50), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x55772f068e50), _1776334)
   Exit: (198) [system] get_char((0x55772f068e50), ')')
   Call: (198) [system] _1754676=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [])
   Call: (197) [system] _1526352=[_premise1]
   Exit: (197) [system] [_premise1]=[_premise1]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [_premise1])
   Call: (196) [system] _1333360=[_proof1, _premise1]
   Exit: (196) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [_proof1, _premise1])
   Call: (195) [system] _1229534=[:, _proof1, _premise1]
   Exit: (195) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [:, _proof1, _premise1])
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), [:, _proof1, _premise1])
^  Call: (193) [user] read_list(')', (0x55772f068e50), _1790216)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1792074)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _1801668)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1804372)
   Exit: (196) [system] peek_char((0x55772f068e50), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1821306)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _1826876)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1828734)
   Exit: (196) [system] peek_char((0x55772f068e50), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _1844744)
   Exit: (195) [system] get_char((0x55772f068e50), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x55772f068e50), _1826876)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1850314)
   Exit: (197) [system] peek_char((0x55772f068e50), s)
   Call: (197) [system] s=(;)
   Fail: (197) [system] s=(;)
   Call: (197) [system] s=(/)
   Fail: (197) [system] s=(/)
^  Call: (197) [user] is_like_space(s)
   Call: (198) [system] char_type(s, 'white')
   Fail: (198) [system] char_type(s, 'white')
   Call: (198) [system] char_type(s, end_of_line)
   Fail: (198) [system] char_type(s, end_of_line)
   Call: (198) [system] char_type(s, space)
   Fail: (198) [system] char_type(s, space)
   Call: (198) [system] char_type(s, cntrl)
   Fail: (198) [system] char_type(s, cntrl)
^  Fail: (197) [user] is_like_space(s)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1866324)
   Exit: (196) [system] peek_char((0x55772f068e50), s)
   Call: (196) [system] s=')'
   Fail: (196) [system] s=')'
   Call: (196) [system] s=end_of_file
   Fail: (196) [system] s=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _1871894)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1873752)
   Exit: (198) [system] peek_char((0x55772f068e50), s)
   Call: (198) [system] s=(;)
   Fail: (198) [system] s=(;)
   Call: (198) [system] s=(/)
   Fail: (198) [system] s=(/)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Fail: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Fail: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
   Fail: (199) [system] char_type(s, cntrl)
^  Fail: (198) [user] is_like_space(s)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _1889762)
   Exit: (197) [system] get_char((0x55772f068e50), s)
   Call: (197) [system] s='('
   Fail: (197) [system] s='('
   Call: (197) [system] s='['
   Fail: (197) [system] s='['
   Call: (197) [system] s='{'
   Fail: (197) [system] s='{'
   Call: (197) [system] s='"'
   Fail: (197) [system] s='"'
   Call: (197) [system] s=!
   Fail: (197) [system] s=!
   Call: (197) [system] s='\''
   Fail: (197) [system] s='\''
   Call: (197) [system] s='`'
   Fail: (197) [system] s='`'
   Call: (197) [system] s=end_of_file
   Fail: (197) [system] s=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x55772f068e50), s, _1871894)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1907404)
   Call: (199) [system] peek_char((0x55772f068e50), _1908338)
   Exit: (199) [system] peek_char((0x55772f068e50), y)
^  Call: (199) [user] is_delimiter(y)
   Call: (200) [system] char_type(y, space)
   Fail: (200) [system] char_type(y, space)
   Call: (200) [system] arg(_1913058, v('(', ')', end_of_file), y)
   Fail: (200) [system] arg(_1913990, v('(', ')', end_of_file), y)
^  Fail: (199) [user] is_delimiter(y)
   Call: (199) [system] ')'==y
   Fail: (199) [system] ')'==y
   Call: (199) [system] get_char((0x55772f068e50), y)
   Exit: (199) [system] get_char((0x55772f068e50), y)
   Call: (199) [system] y=(\)
   Fail: (199) [system] y=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1921340)
   Call: (200) [system] peek_char((0x55772f068e50), _1922274)
   Exit: (200) [system] peek_char((0x55772f068e50), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Fail: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_1926994, v('(', ')', end_of_file), n)
   Fail: (201) [system] arg(_1927926, v('(', ')', end_of_file), n)
^  Fail: (200) [user] is_delimiter(n)
   Call: (200) [system] ')'==n
   Fail: (200) [system] ')'==n
   Call: (200) [system] get_char((0x55772f068e50), n)
   Exit: (200) [system] get_char((0x55772f068e50), n)
   Call: (200) [system] n=(\)
   Fail: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1935276)
   Call: (201) [system] peek_char((0x55772f068e50), _1936210)
   Exit: (201) [system] peek_char((0x55772f068e50), t)
^  Call: (201) [user] is_delimiter(t)
   Call: (202) [system] char_type(t, space)
   Fail: (202) [system] char_type(t, space)
   Call: (202) [system] arg(_1940930, v('(', ')', end_of_file), t)
   Fail: (202) [system] arg(_1941862, v('(', ')', end_of_file), t)
^  Fail: (201) [user] is_delimiter(t)
   Call: (201) [system] ')'==t
   Fail: (201) [system] ')'==t
   Call: (201) [system] get_char((0x55772f068e50), t)
   Exit: (201) [system] get_char((0x55772f068e50), t)
   Call: (201) [system] t=(\)
   Fail: (201) [system] t=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1949212)
   Call: (202) [system] peek_char((0x55772f068e50), _1950146)
   Exit: (202) [system] peek_char((0x55772f068e50), h)
^  Call: (202) [user] is_delimiter(h)
   Call: (203) [system] char_type(h, space)
   Fail: (203) [system] char_type(h, space)
   Call: (203) [system] arg(_1954866, v('(', ')', end_of_file), h)
   Fail: (203) [system] arg(_1955798, v('(', ')', end_of_file), h)
^  Fail: (202) [user] is_delimiter(h)
   Call: (202) [system] ')'==h
   Fail: (202) [system] ')'==h
   Call: (202) [system] get_char((0x55772f068e50), h)
   Exit: (202) [system] get_char((0x55772f068e50), h)
   Call: (202) [system] h=(\)
   Fail: (202) [system] h=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1963148)
   Call: (203) [system] peek_char((0x55772f068e50), _1964082)
   Exit: (203) [system] peek_char((0x55772f068e50), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_1968802, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_1969734, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x55772f068e50), e)
   Exit: (203) [system] get_char((0x55772f068e50), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1977084)
   Call: (204) [system] peek_char((0x55772f068e50), _1978018)
   Exit: (204) [system] peek_char((0x55772f068e50), s)
^  Call: (204) [user] is_delimiter(s)
   Call: (205) [system] char_type(s, space)
   Fail: (205) [system] char_type(s, space)
   Call: (205) [system] arg(_1982738, v('(', ')', end_of_file), s)
   Fail: (205) [system] arg(_1983670, v('(', ')', end_of_file), s)
^  Fail: (204) [user] is_delimiter(s)
   Call: (204) [system] ')'==s
   Fail: (204) [system] ')'==s
   Call: (204) [system] get_char((0x55772f068e50), s)
   Exit: (204) [system] get_char((0x55772f068e50), s)
   Call: (204) [system] s=(\)
   Fail: (204) [system] s=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1991020)
   Call: (205) [system] peek_char((0x55772f068e50), _1991954)
   Exit: (205) [system] peek_char((0x55772f068e50), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_1996674, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_1997606, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x55772f068e50), i)
   Exit: (205) [system] get_char((0x55772f068e50), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _2004956)
   Call: (206) [system] peek_char((0x55772f068e50), _2005890)
   Exit: (206) [system] peek_char((0x55772f068e50), z)
^  Call: (206) [user] is_delimiter(z)
   Call: (207) [system] char_type(z, space)
   Fail: (207) [system] char_type(z, space)
   Call: (207) [system] arg(_2010610, v('(', ')', end_of_file), z)
   Fail: (207) [system] arg(_2011542, v('(', ')', end_of_file), z)
^  Fail: (206) [user] is_delimiter(z)
   Call: (206) [system] ')'==z
   Fail: (206) [system] ')'==z
   Call: (206) [system] get_char((0x55772f068e50), z)
   Exit: (206) [system] get_char((0x55772f068e50), z)
   Call: (206) [system] z=(\)
   Fail: (206) [system] z=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _2018892)
   Call: (207) [system] peek_char((0x55772f068e50), _2019826)
   Exit: (207) [system] peek_char((0x55772f068e50), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_2024546, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_2025478, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x55772f068e50), e)
   Exit: (207) [system] get_char((0x55772f068e50), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _2032828)
   Call: (208) [system] peek_char((0x55772f068e50), _2033762)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _2032828=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (207) [system] _2018892=[e]
   Exit: (207) [system] [e]=[e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (206) [system] _2004956=[z, e]
   Exit: (206) [system] [z, e]=[z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [z, e])
   Call: (205) [system] _1991020=[i, z, e]
   Exit: (205) [system] [i, z, e]=[i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [i, z, e])
   Call: (204) [system] _1977084=[s, i, z, e]
   Exit: (204) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [s, i, z, e])
   Call: (203) [system] _1963148=[e, s, i, z, e]
   Exit: (203) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [e, s, i, z, e])
   Call: (202) [system] _1949212=[h, e, s, i, z, e]
   Exit: (202) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [h, e, s, i, z, e])
   Call: (201) [system] _1935276=[t, h, e, s, i, z, e]
   Exit: (201) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [t, h, e, s, i, z, e])
   Call: (200) [system] _1921340=[n, t, h, e, s, i, z, e]
   Exit: (200) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, h, e, s, i, z, e])
   Call: (199) [system] _1907404=[y, n, t, h, e, s, i, z, e]
   Exit: (199) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [y, n, t, h, e, s, i, z, e])
^  Call: (198) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _1871894)
^  Call: (199) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _2068192)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_2069144, _2069146), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _2068192), _2069126, fail)), '$restore_trace'(_2069144, _2069146))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_2069144, _2069146))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _2069126, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(synthesize)
   Exit: (200) [system] atomic(synthesize)
^  Exit: (199) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (199) [system] integer(synthesize)
   Fail: (199) [system] integer(synthesize)
   Call: (199) [system] _1871894=synthesize
   Exit: (199) [system] synthesize=synthesize
^  Exit: (198) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (197) [user] read_symbolic(')', (0x55772f068e50), s, synthesize)
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), synthesize)
^  Call: (196) [user] read_list(')', (0x55772f068e50), _2081272)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _2083130)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _2092724)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _2095428)
   Exit: (199) [system] peek_char((0x55772f068e50), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _19258)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _24828)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _26686)
   Exit: (199) [system] peek_char((0x55772f068e50), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _42696)
   Exit: (198) [system] get_char((0x55772f068e50), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x55772f068e50), _24828)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _48266)
   Exit: (200) [system] peek_char((0x55772f068e50), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
   Call: (200) [system] (:)=(/)
   Fail: (200) [system] (:)=(/)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _64276)
   Exit: (199) [system] peek_char((0x55772f068e50), :)
   Call: (199) [system] (:)=')'
   Fail: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _69846)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _71704)
   Exit: (201) [system] peek_char((0x55772f068e50), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _87714)
   Exit: (200) [system] get_char((0x55772f068e50), :)
   Call: (200) [system] (:)='('
   Fail: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Fail: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Fail: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Fail: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Fail: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Fail: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Fail: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), :, _69846)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _105356)
   Call: (202) [system] peek_char((0x55772f068e50), _106290)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _105356=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (201) [user] classify_and_convert_charseq([:], _69846)
^  Call: (202) [user] classify_and_convert_charseq_([:], _115574)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_116526, _116528), once(user:catch(read_from_chars([:], _115574), _116508, fail)), '$restore_trace'(_116526, _116528))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_116526, _116528))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _116508, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(:)
   Exit: (203) [system] atomic(:)
^  Exit: (202) [user] classify_and_convert_charseq_([:], :)
   Call: (202) [system] integer(:)
   Fail: (202) [system] integer(:)
   Call: (202) [system] _69846=(:)
   Exit: (202) [system] (:)=(:)
^  Exit: (201) [user] classify_and_convert_charseq([:], :)
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (199) [user] read_list(')', (0x55772f068e50), _128654)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _130512)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _140106)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _142810)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _159744)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _165314)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _167172)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _183182)
   Exit: (201) [system] get_char((0x55772f068e50), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), $, _165314)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _200824)
   Call: (203) [system] peek_char((0x55772f068e50), _201758)
   Exit: (203) [system] peek_char((0x55772f068e50), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_206478, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_207410, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x55772f068e50), p)
   Exit: (203) [system] get_char((0x55772f068e50), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _214760)
   Call: (204) [system] peek_char((0x55772f068e50), _215694)
   Exit: (204) [system] peek_char((0x55772f068e50), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_220414, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_221346, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x55772f068e50), r)
   Exit: (204) [system] get_char((0x55772f068e50), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _228696)
   Call: (205) [system] peek_char((0x55772f068e50), _229630)
   Exit: (205) [system] peek_char((0x55772f068e50), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_234350, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_235282, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x55772f068e50), o)
   Exit: (205) [system] get_char((0x55772f068e50), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _242632)
   Call: (206) [system] peek_char((0x55772f068e50), _243566)
   Exit: (206) [system] peek_char((0x55772f068e50), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_248286, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_249218, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x55772f068e50), o)
   Exit: (206) [system] get_char((0x55772f068e50), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _256568)
   Call: (207) [system] peek_char((0x55772f068e50), _257502)
   Exit: (207) [system] peek_char((0x55772f068e50), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Fail: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_262222, v('(', ')', end_of_file), f)
   Fail: (208) [system] arg(_263154, v('(', ')', end_of_file), f)
^  Fail: (207) [user] is_delimiter(f)
   Call: (207) [system] ')'==f
   Fail: (207) [system] ')'==f
   Call: (207) [system] get_char((0x55772f068e50), f)
   Exit: (207) [system] get_char((0x55772f068e50), f)
   Call: (207) [system] f=(\)
   Fail: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _270504)
   Call: (208) [system] peek_char((0x55772f068e50), _271438)
   Exit: (208) [system] peek_char((0x55772f068e50), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Fail: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_276158, v('(', ')', end_of_file), '1')
   Fail: (209) [system] arg(_277090, v('(', ')', end_of_file), '1')
^  Fail: (208) [user] is_delimiter('1')
   Call: (208) [system] ')'=='1'
   Fail: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x55772f068e50), '1')
   Exit: (208) [system] get_char((0x55772f068e50), '1')
   Call: (208) [system] '1'=(\)
   Fail: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _284440)
   Call: (209) [system] peek_char((0x55772f068e50), _285374)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _284440=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (208) [system] _270504=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), ['1'])
   Call: (207) [system] _256568=[f, '1']
   Exit: (207) [system] [f, '1']=[f, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '1'])
   Call: (206) [system] _242632=[o, f, '1']
   Exit: (206) [system] [o, f, '1']=[o, f, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '1'])
   Call: (205) [system] _228696=[o, o, f, '1']
   Exit: (205) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '1'])
   Call: (204) [system] _214760=[r, o, o, f, '1']
   Exit: (204) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '1'])
   Call: (203) [system] _200824=[p, r, o, o, f, '1']
   Exit: (203) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '1'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _165314)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _311422)
   Call: (204) [system] atom_chars(_312354, ['_', p, r, o, o, f, '1'])
   Exit: (204) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _proof1)
   Call: (203) [system] integer(_proof1)
   Fail: (203) [system] integer(_proof1)
   Call: (203) [system] _165314=_proof1
   Exit: (203) [system] _proof1=_proof1
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _proof1)
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), $, _proof1)
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), _proof1)
^  Call: (200) [user] read_list(')', (0x55772f068e50), _321646)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _323504)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _333098)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _335802)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _352736)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _358306)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _360164)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _376174)
   Exit: (202) [system] get_char((0x55772f068e50), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), $, _358306)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _393816)
   Call: (204) [system] peek_char((0x55772f068e50), _394750)
   Exit: (204) [system] peek_char((0x55772f068e50), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_399470, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_400402, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x55772f068e50), p)
   Exit: (204) [system] get_char((0x55772f068e50), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _407752)
   Call: (205) [system] peek_char((0x55772f068e50), _408686)
   Exit: (205) [system] peek_char((0x55772f068e50), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_413406, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_414338, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x55772f068e50), r)
   Exit: (205) [system] get_char((0x55772f068e50), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _421688)
   Call: (206) [system] peek_char((0x55772f068e50), _422622)
   Exit: (206) [system] peek_char((0x55772f068e50), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_427342, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_428274, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x55772f068e50), e)
   Exit: (206) [system] get_char((0x55772f068e50), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _435624)
   Call: (207) [system] peek_char((0x55772f068e50), _436558)
   Exit: (207) [system] peek_char((0x55772f068e50), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_441278, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_442210, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x55772f068e50), m)
   Exit: (207) [system] get_char((0x55772f068e50), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _449560)
   Call: (208) [system] peek_char((0x55772f068e50), _450494)
   Exit: (208) [system] peek_char((0x55772f068e50), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_455214, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_456146, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x55772f068e50), i)
   Exit: (208) [system] get_char((0x55772f068e50), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _463496)
   Call: (209) [system] peek_char((0x55772f068e50), _464430)
   Exit: (209) [system] peek_char((0x55772f068e50), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_469150, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_470082, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x55772f068e50), s)
   Exit: (209) [system] get_char((0x55772f068e50), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _477432)
   Call: (210) [system] peek_char((0x55772f068e50), _478366)
   Exit: (210) [system] peek_char((0x55772f068e50), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_483086, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_484018, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x55772f068e50), e)
   Exit: (210) [system] get_char((0x55772f068e50), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _491368)
   Call: (211) [system] peek_char((0x55772f068e50), _492302)
   Exit: (211) [system] peek_char((0x55772f068e50), '1')
^  Call: (211) [user] is_delimiter('1')
   Call: (212) [system] char_type('1', space)
   Fail: (212) [system] char_type('1', space)
   Call: (212) [system] arg(_497022, v('(', ')', end_of_file), '1')
   Fail: (212) [system] arg(_497954, v('(', ')', end_of_file), '1')
^  Fail: (211) [user] is_delimiter('1')
   Call: (211) [system] ')'=='1'
   Fail: (211) [system] ')'=='1'
   Call: (211) [system] get_char((0x55772f068e50), '1')
   Exit: (211) [system] get_char((0x55772f068e50), '1')
   Call: (211) [system] '1'=(\)
   Fail: (211) [system] '1'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _505304)
   Call: (212) [system] peek_char((0x55772f068e50), _506238)
   Exit: (212) [system] peek_char((0x55772f068e50), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_510958, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _505304=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (211) [system] _491368=['1']
   Exit: (211) [system] ['1']=['1']
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), ['1'])
   Call: (210) [system] _477432=[e, '1']
   Exit: (210) [system] [e, '1']=[e, '1']
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '1'])
   Call: (209) [system] _463496=[s, e, '1']
   Exit: (209) [system] [s, e, '1']=[s, e, '1']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '1'])
   Call: (208) [system] _449560=[i, s, e, '1']
   Exit: (208) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '1'])
   Call: (207) [system] _435624=[m, i, s, e, '1']
   Exit: (207) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '1'])
   Call: (206) [system] _421688=[e, m, i, s, e, '1']
   Exit: (206) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '1'])
   Call: (205) [system] _407752=[r, e, m, i, s, e, '1']
   Exit: (205) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '1'])
   Call: (204) [system] _393816=[p, r, e, m, i, s, e, '1']
   Exit: (204) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '1'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _358306)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _539746)
   Call: (205) [system] atom_chars(_540678, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (205) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _premise1)
   Call: (204) [system] integer(_premise1)
   Fail: (204) [system] integer(_premise1)
   Call: (204) [system] _358306=_premise1
   Exit: (204) [system] _premise1=_premise1
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), $, _premise1)
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), _premise1)
^  Call: (201) [user] read_list(')', (0x55772f068e50), _549970)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _551828)
   Exit: (203) [system] peek_char((0x55772f068e50), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _567838)
   Exit: (202) [system] peek_char((0x55772f068e50), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x55772f068e50), _571628)
   Exit: (202) [system] get_char((0x55772f068e50), ')')
   Call: (202) [system] _549970=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [])
   Call: (201) [system] _321646=[_premise1]
   Exit: (201) [system] [_premise1]=[_premise1]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [_premise1])
   Call: (200) [system] _128654=[_proof1, _premise1]
   Exit: (200) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [_proof1, _premise1])
   Call: (199) [system] _24828=[:, _proof1, _premise1]
   Exit: (199) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [:, _proof1, _premise1])
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), [:, _proof1, _premise1])
^  Call: (197) [user] read_list(')', (0x55772f068e50), _585510)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _587368)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _596962)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _599666)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _616600)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _622170)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _624028)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _640038)
   Exit: (199) [system] get_char((0x55772f068e50), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x55772f068e50), $, _622170)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _657680)
   Call: (201) [system] peek_char((0x55772f068e50), _658614)
   Exit: (201) [system] peek_char((0x55772f068e50), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Fail: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_663334, v('(', ')', end_of_file), k)
   Fail: (202) [system] arg(_664266, v('(', ')', end_of_file), k)
^  Fail: (201) [user] is_delimiter(k)
   Call: (201) [system] ')'==k
   Fail: (201) [system] ')'==k
   Call: (201) [system] get_char((0x55772f068e50), k)
   Exit: (201) [system] get_char((0x55772f068e50), k)
   Call: (201) [system] k=(\)
   Fail: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _671616)
   Call: (202) [system] peek_char((0x55772f068e50), _672550)
   Exit: (202) [system] peek_char((0x55772f068e50), b)
^  Call: (202) [user] is_delimiter(b)
   Call: (203) [system] char_type(b, space)
   Fail: (203) [system] char_type(b, space)
   Call: (203) [system] arg(_677270, v('(', ')', end_of_file), b)
   Fail: (203) [system] arg(_678202, v('(', ')', end_of_file), b)
^  Fail: (202) [user] is_delimiter(b)
   Call: (202) [system] ')'==b
   Fail: (202) [system] ')'==b
   Call: (202) [system] get_char((0x55772f068e50), b)
   Exit: (202) [system] get_char((0x55772f068e50), b)
   Call: (202) [system] b=(\)
   Fail: (202) [system] b=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _685552)
   Call: (203) [system] peek_char((0x55772f068e50), _686486)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _685552=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (202) [system] _671616=[b]
   Exit: (202) [system] [b]=[b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (201) [system] _657680=[k, b]
   Exit: (201) [system] [k, b]=[k, b]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [k, b])
^  Call: (200) [user] classify_and_convert_charseq([$, k, b], _622170)
^  Call: (201) [user] classify_and_convert_charseq_([$, k, b], _701358)
   Call: (202) [system] atom_chars(_702290, ['_', k, b])
   Exit: (202) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (201) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (201) [system] integer(_kb)
   Fail: (201) [system] integer(_kb)
   Call: (201) [system] _622170=_kb
   Exit: (201) [system] _kb=_kb
^  Exit: (200) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (199) [user] read_symbolic(')', (0x55772f068e50), $, _kb)
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), _kb)
^  Call: (198) [user] read_list(')', (0x55772f068e50), _711582)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _713440)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _723034)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _725738)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _742672)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _748242)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _750100)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _766110)
   Exit: (200) [system] get_char((0x55772f068e50), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), $, _748242)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _783752)
   Call: (202) [system] peek_char((0x55772f068e50), _784686)
   Exit: (202) [system] peek_char((0x55772f068e50), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_789406, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_790338, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x55772f068e50), r)
   Exit: (202) [system] get_char((0x55772f068e50), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _797688)
   Call: (203) [system] peek_char((0x55772f068e50), _798622)
   Exit: (203) [system] peek_char((0x55772f068e50), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_803342, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_804274, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x55772f068e50), b)
   Exit: (203) [system] get_char((0x55772f068e50), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _811624)
   Call: (204) [system] peek_char((0x55772f068e50), _812558)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _811624=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (203) [system] _797688=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (202) [system] _783752=[r, b]
   Exit: (202) [system] [r, b]=[r, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [r, b])
^  Call: (201) [user] classify_and_convert_charseq([$, r, b], _748242)
^  Call: (202) [user] classify_and_convert_charseq_([$, r, b], _827430)
   Call: (203) [system] atom_chars(_828362, ['_', r, b])
   Exit: (203) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (202) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (202) [system] integer(_rb)
   Fail: (202) [system] integer(_rb)
   Call: (202) [system] _748242=_rb
   Exit: (202) [system] _rb=_rb
^  Exit: (201) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), $, _rb)
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), _rb)
^  Call: (199) [user] read_list(')', (0x55772f068e50), _837654)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _839512)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _849106)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _851810)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _868744)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _874314)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _876172)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _892182)
   Exit: (201) [system] get_char((0x55772f068e50), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), $, _874314)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _909824)
   Call: (203) [system] peek_char((0x55772f068e50), _910758)
   Exit: (203) [system] peek_char((0x55772f068e50), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Fail: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_915478, v('(', ')', end_of_file), k)
   Fail: (204) [system] arg(_916410, v('(', ')', end_of_file), k)
^  Fail: (203) [user] is_delimiter(k)
   Call: (203) [system] ')'==k
   Fail: (203) [system] ')'==k
   Call: (203) [system] get_char((0x55772f068e50), k)
   Exit: (203) [system] get_char((0x55772f068e50), k)
   Call: (203) [system] k=(\)
   Fail: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _923760)
   Call: (204) [system] peek_char((0x55772f068e50), _924694)
   Exit: (204) [system] peek_char((0x55772f068e50), ')')
^  Call: (204) [user] is_delimiter(')')
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] arg(_929414, v('(', ')', end_of_file), ')')
   Exit: (205) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (204) [user] is_delimiter(')')
   Call: (204) [system] _923760=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (203) [system] _909824=[k]
   Exit: (203) [system] [k]=[k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
^  Call: (202) [user] classify_and_convert_charseq([$, k], _874314)
^  Call: (203) [user] classify_and_convert_charseq_([$, k], _938644)
   Call: (204) [system] atom_chars(_939576, ['_', k])
   Exit: (204) [system] atom_chars('_k', ['_', k])
^  Exit: (203) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (203) [system] integer(_k)
   Fail: (203) [system] integer(_k)
   Call: (203) [system] _874314=_k
   Exit: (203) [system] _k=_k
^  Exit: (202) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), $, _k)
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), _k)
^  Call: (200) [user] read_list(')', (0x55772f068e50), _948868)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _950726)
   Exit: (202) [system] peek_char((0x55772f068e50), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _966736)
   Exit: (201) [system] peek_char((0x55772f068e50), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x55772f068e50), _970526)
   Exit: (201) [system] get_char((0x55772f068e50), ')')
   Call: (201) [system] _948868=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [])
   Call: (200) [system] _837654=[_k]
   Exit: (200) [system] [_k]=[_k]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [_k])
   Call: (199) [system] _711582=[_rb, _k]
   Exit: (199) [system] [_rb, _k]=[_rb, _k]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [_rb, _k])
   Call: (198) [system] _585510=[_kb, _rb, _k]
   Exit: (198) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [_kb, _rb, _k])
   Call: (197) [system] _3648=[[:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (197) [system] [[:, _proof1, _premise1], _kb, _rb, _k]=[[:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [[:, _proof1, _premise1], _kb, _rb, _k])
   Call: (196) [system] _3640=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (196) [system] [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Call: (194) [user] read_list(')', (0x55772f068e50), _989996)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _991854)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1007864)
   Exit: (195) [system] peek_char((0x55772f068e50), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x55772f068e50), _1011654)
   Exit: (195) [system] get_char((0x55772f068e50), ')')
   Call: (195) [system] _989996=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [])
   Call: (194) [system] _3636=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (194) [system] [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Call: (193) [system] _3602=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (193) [system] [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Exit: (191) [user] cont_sexpr(')', (0x55772f068e50), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Call: (191) [user] read_list(')', (0x55772f068e50), _1022742)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1024600)
   Exit: (193) [system] peek_char((0x55772f068e50), '\n')
   Call: (193) [system] '\n'=(;)
   Fail: (193) [system] '\n'=(;)
   Call: (193) [system] '\n'=(/)
   Fail: (193) [system] '\n'=(/)
^  Call: (193) [user] is_like_space('\n')
   Call: (194) [system] char_type('\n', 'white')
   Fail: (194) [system] char_type('\n', 'white')
   Call: (194) [system] char_type('\n', end_of_line)
   Exit: (194) [system] char_type('\n', end_of_line)
^  Exit: (193) [user] is_like_space('\n')
   Call: (193) [system] get_char((0x55772f068e50), _1036050)
   Exit: (193) [system] get_char((0x55772f068e50), '\n')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1038754)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _1048348)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1051052)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _1060646)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1063350)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _1072944)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1075648)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _1085242)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1087946)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _1097540)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1100244)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _1109838)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1112542)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _1122136)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1124840)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _1134434)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1137138)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _1146732)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1149436)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _1159030)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1161734)
   Exit: (204) [system] peek_char((0x55772f068e50), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1187908)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _1193478)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1195336)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _1211346)
   Exit: (193) [system] get_char((0x55772f068e50), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x55772f068e50), _1193478)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1216916)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1232926)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _1238496)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1240354)
   Exit: (196) [system] peek_char((0x55772f068e50), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _1256364)
   Exit: (195) [system] get_char((0x55772f068e50), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x55772f068e50), _1238496)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1261934)
   Exit: (197) [system] peek_char((0x55772f068e50), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
   Call: (197) [system] (:)=(/)
   Fail: (197) [system] (:)=(/)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1277944)
   Exit: (196) [system] peek_char((0x55772f068e50), :)
   Call: (196) [system] (:)=')'
   Fail: (196) [system] (:)=')'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _1283514)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1285372)
   Exit: (198) [system] peek_char((0x55772f068e50), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
   Call: (198) [system] (:)=(/)
   Fail: (198) [system] (:)=(/)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _1301382)
   Exit: (197) [system] get_char((0x55772f068e50), :)
   Call: (197) [system] (:)='('
   Fail: (197) [system] (:)='('
   Call: (197) [system] (:)='['
   Fail: (197) [system] (:)='['
   Call: (197) [system] (:)='{'
   Fail: (197) [system] (:)='{'
   Call: (197) [system] (:)='"'
   Fail: (197) [system] (:)='"'
   Call: (197) [system] (:)=!
   Fail: (197) [system] (:)=!
   Call: (197) [system] (:)='\''
   Fail: (197) [system] (:)='\''
   Call: (197) [system] (:)='`'
   Fail: (197) [system] (:)='`'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x55772f068e50), :, _1283514)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1319024)
   Call: (199) [system] peek_char((0x55772f068e50), _1319958)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _1319024=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (198) [user] classify_and_convert_charseq([:], _1283514)
^  Call: (199) [user] classify_and_convert_charseq_([:], _1329242)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_1330194, _1330196), once(user:catch(read_from_chars([:], _1329242), _1330176, fail)), '$restore_trace'(_1330194, _1330196))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_1330194, _1330196))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1330176, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(:)
   Exit: (200) [system] atomic(:)
^  Exit: (199) [user] classify_and_convert_charseq_([:], :)
   Call: (199) [system] integer(:)
   Fail: (199) [system] integer(:)
   Call: (199) [system] _1283514=(:)
   Exit: (199) [system] (:)=(:)
^  Exit: (198) [user] classify_and_convert_charseq([:], :)
^  Exit: (197) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (196) [user] read_list(')', (0x55772f068e50), _1342322)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1344180)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _1353774)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1356478)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1373412)
   Exit: (197) [system] peek_char((0x55772f068e50), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _1378982)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1380840)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _1396850)
   Exit: (198) [system] get_char((0x55772f068e50), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x55772f068e50), $, _1378982)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1414492)
   Call: (200) [system] peek_char((0x55772f068e50), _1415426)
   Exit: (200) [system] peek_char((0x55772f068e50), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_1420146, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_1421078, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x55772f068e50), p)
   Exit: (200) [system] get_char((0x55772f068e50), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1428428)
   Call: (201) [system] peek_char((0x55772f068e50), _1429362)
   Exit: (201) [system] peek_char((0x55772f068e50), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Fail: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_1434082, v('(', ')', end_of_file), r)
   Fail: (202) [system] arg(_1435014, v('(', ')', end_of_file), r)
^  Fail: (201) [user] is_delimiter(r)
   Call: (201) [system] ')'==r
   Fail: (201) [system] ')'==r
   Call: (201) [system] get_char((0x55772f068e50), r)
   Exit: (201) [system] get_char((0x55772f068e50), r)
   Call: (201) [system] r=(\)
   Fail: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1442364)
   Call: (202) [system] peek_char((0x55772f068e50), _1443298)
   Exit: (202) [system] peek_char((0x55772f068e50), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_1448018, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_1448950, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x55772f068e50), o)
   Exit: (202) [system] get_char((0x55772f068e50), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1456300)
   Call: (203) [system] peek_char((0x55772f068e50), _1457234)
   Exit: (203) [system] peek_char((0x55772f068e50), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_1461954, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_1462886, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x55772f068e50), o)
   Exit: (203) [system] get_char((0x55772f068e50), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1470236)
   Call: (204) [system] peek_char((0x55772f068e50), _1471170)
   Exit: (204) [system] peek_char((0x55772f068e50), f)
^  Call: (204) [user] is_delimiter(f)
   Call: (205) [system] char_type(f, space)
   Fail: (205) [system] char_type(f, space)
   Call: (205) [system] arg(_1475890, v('(', ')', end_of_file), f)
   Fail: (205) [system] arg(_1476822, v('(', ')', end_of_file), f)
^  Fail: (204) [user] is_delimiter(f)
   Call: (204) [system] ')'==f
   Fail: (204) [system] ')'==f
   Call: (204) [system] get_char((0x55772f068e50), f)
   Exit: (204) [system] get_char((0x55772f068e50), f)
   Call: (204) [system] f=(\)
   Fail: (204) [system] f=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1484172)
   Call: (205) [system] peek_char((0x55772f068e50), _1485106)
   Exit: (205) [system] peek_char((0x55772f068e50), '2')
^  Call: (205) [user] is_delimiter('2')
   Call: (206) [system] char_type('2', space)
   Fail: (206) [system] char_type('2', space)
   Call: (206) [system] arg(_1489826, v('(', ')', end_of_file), '2')
   Fail: (206) [system] arg(_1490758, v('(', ')', end_of_file), '2')
^  Fail: (205) [user] is_delimiter('2')
   Call: (205) [system] ')'=='2'
   Fail: (205) [system] ')'=='2'
   Call: (205) [system] get_char((0x55772f068e50), '2')
   Exit: (205) [system] get_char((0x55772f068e50), '2')
   Call: (205) [system] '2'=(\)
   Fail: (205) [system] '2'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1498108)
   Call: (206) [system] peek_char((0x55772f068e50), _1499042)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1498108=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (205) [system] _1484172=['2']
   Exit: (205) [system] ['2']=['2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), ['2'])
   Call: (204) [system] _1470236=[f, '2']
   Exit: (204) [system] [f, '2']=[f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '2'])
   Call: (203) [system] _1456300=[o, f, '2']
   Exit: (203) [system] [o, f, '2']=[o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '2'])
   Call: (202) [system] _1442364=[o, o, f, '2']
   Exit: (202) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '2'])
   Call: (201) [system] _1428428=[r, o, o, f, '2']
   Exit: (201) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '2'])
   Call: (200) [system] _1414492=[p, r, o, o, f, '2']
   Exit: (200) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '2'])
^  Call: (199) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _1378982)
^  Call: (200) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _1525090)
   Call: (201) [system] atom_chars(_1526022, ['_', p, r, o, o, f, '2'])
   Exit: (201) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (200) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _proof2)
   Call: (200) [system] integer(_proof2)
   Fail: (200) [system] integer(_proof2)
   Call: (200) [system] _1378982=_proof2
   Exit: (200) [system] _proof2=_proof2
^  Exit: (199) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _proof2)
^  Exit: (198) [user] read_symbolic(')', (0x55772f068e50), $, _proof2)
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), _proof2)
^  Call: (197) [user] read_list(')', (0x55772f068e50), _1535314)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1537172)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _1546766)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1549470)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1566404)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _1571974)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1573832)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _1589842)
   Exit: (199) [system] get_char((0x55772f068e50), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x55772f068e50), $, _1571974)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1607484)
   Call: (201) [system] peek_char((0x55772f068e50), _1608418)
   Exit: (201) [system] peek_char((0x55772f068e50), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_1613138, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_1614070, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x55772f068e50), p)
   Exit: (201) [system] get_char((0x55772f068e50), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1621420)
   Call: (202) [system] peek_char((0x55772f068e50), _1622354)
   Exit: (202) [system] peek_char((0x55772f068e50), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_1627074, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_1628006, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x55772f068e50), r)
   Exit: (202) [system] get_char((0x55772f068e50), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1635356)
   Call: (203) [system] peek_char((0x55772f068e50), _1636290)
   Exit: (203) [system] peek_char((0x55772f068e50), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_1641010, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_1641942, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x55772f068e50), e)
   Exit: (203) [system] get_char((0x55772f068e50), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1649292)
   Call: (204) [system] peek_char((0x55772f068e50), _1650226)
   Exit: (204) [system] peek_char((0x55772f068e50), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_1654946, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_1655878, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x55772f068e50), m)
   Exit: (204) [system] get_char((0x55772f068e50), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1663228)
   Call: (205) [system] peek_char((0x55772f068e50), _1664162)
   Exit: (205) [system] peek_char((0x55772f068e50), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_1668882, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_1669814, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x55772f068e50), i)
   Exit: (205) [system] get_char((0x55772f068e50), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1677164)
   Call: (206) [system] peek_char((0x55772f068e50), _1678098)
   Exit: (206) [system] peek_char((0x55772f068e50), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_1682818, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_1683750, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x55772f068e50), s)
   Exit: (206) [system] get_char((0x55772f068e50), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1691100)
   Call: (207) [system] peek_char((0x55772f068e50), _1692034)
   Exit: (207) [system] peek_char((0x55772f068e50), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1696754, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_1697686, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x55772f068e50), e)
   Exit: (207) [system] get_char((0x55772f068e50), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1705036)
   Call: (208) [system] peek_char((0x55772f068e50), _1705970)
   Exit: (208) [system] peek_char((0x55772f068e50), '2')
^  Call: (208) [user] is_delimiter('2')
   Call: (209) [system] char_type('2', space)
   Fail: (209) [system] char_type('2', space)
   Call: (209) [system] arg(_1710690, v('(', ')', end_of_file), '2')
   Fail: (209) [system] arg(_1711622, v('(', ')', end_of_file), '2')
^  Fail: (208) [user] is_delimiter('2')
   Call: (208) [system] ')'=='2'
   Fail: (208) [system] ')'=='2'
   Call: (208) [system] get_char((0x55772f068e50), '2')
   Exit: (208) [system] get_char((0x55772f068e50), '2')
   Call: (208) [system] '2'=(\)
   Fail: (208) [system] '2'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1718972)
   Call: (209) [system] peek_char((0x55772f068e50), _1719906)
   Exit: (209) [system] peek_char((0x55772f068e50), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_1724626, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _1718972=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (208) [system] _1705036=['2']
   Exit: (208) [system] ['2']=['2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), ['2'])
   Call: (207) [system] _1691100=[e, '2']
   Exit: (207) [system] [e, '2']=[e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '2'])
   Call: (206) [system] _1677164=[s, e, '2']
   Exit: (206) [system] [s, e, '2']=[s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '2'])
   Call: (205) [system] _1663228=[i, s, e, '2']
   Exit: (205) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '2'])
   Call: (204) [system] _1649292=[m, i, s, e, '2']
   Exit: (204) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '2'])
   Call: (203) [system] _1635356=[e, m, i, s, e, '2']
   Exit: (203) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '2'])
   Call: (202) [system] _1621420=[r, e, m, i, s, e, '2']
   Exit: (202) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '2'])
   Call: (201) [system] _1607484=[p, r, e, m, i, s, e, '2']
   Exit: (201) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '2'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _1571974)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _1753414)
   Call: (202) [system] atom_chars(_1754346, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (202) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _premise2)
   Call: (201) [system] integer(_premise2)
   Fail: (201) [system] integer(_premise2)
   Call: (201) [system] _1571974=_premise2
   Exit: (201) [system] _premise2=_premise2
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (199) [user] read_symbolic(')', (0x55772f068e50), $, _premise2)
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), _premise2)
^  Call: (198) [user] read_list(')', (0x55772f068e50), _1763638)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1765496)
   Exit: (200) [system] peek_char((0x55772f068e50), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
   Call: (200) [system] ')'=(/)
   Fail: (200) [system] ')'=(/)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1781506)
   Exit: (199) [system] peek_char((0x55772f068e50), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x55772f068e50), _1785296)
   Exit: (199) [system] get_char((0x55772f068e50), ')')
   Call: (199) [system] _1763638=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [])
   Call: (198) [system] _1535314=[_premise2]
   Exit: (198) [system] [_premise2]=[_premise2]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [_premise2])
   Call: (197) [system] _1342322=[_proof2, _premise2]
   Exit: (197) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [_proof2, _premise2])
   Call: (196) [system] _1238496=[:, _proof2, _premise2]
   Exit: (196) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [:, _proof2, _premise2])
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), [:, _proof2, _premise2])
^  Call: (194) [user] read_list(')', (0x55772f068e50), _1799178)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1801036)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _1810630)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1813334)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1830268)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _1835838)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1837696)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _1853706)
   Exit: (196) [system] get_char((0x55772f068e50), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x55772f068e50), _1835838)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1859276)
   Exit: (198) [system] peek_char((0x55772f068e50), s)
   Call: (198) [system] s=(;)
   Fail: (198) [system] s=(;)
   Call: (198) [system] s=(/)
   Fail: (198) [system] s=(/)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Fail: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Fail: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
   Fail: (199) [system] char_type(s, cntrl)
^  Fail: (198) [user] is_like_space(s)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1875286)
   Exit: (197) [system] peek_char((0x55772f068e50), s)
   Call: (197) [system] s=')'
   Fail: (197) [system] s=')'
   Call: (197) [system] s=end_of_file
   Fail: (197) [system] s=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _1880856)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1882714)
   Exit: (199) [system] peek_char((0x55772f068e50), s)
   Call: (199) [system] s=(;)
   Fail: (199) [system] s=(;)
   Call: (199) [system] s=(/)
   Fail: (199) [system] s=(/)
^  Call: (199) [user] is_like_space(s)
   Call: (200) [system] char_type(s, 'white')
   Fail: (200) [system] char_type(s, 'white')
   Call: (200) [system] char_type(s, end_of_line)
   Fail: (200) [system] char_type(s, end_of_line)
   Call: (200) [system] char_type(s, space)
   Fail: (200) [system] char_type(s, space)
   Call: (200) [system] char_type(s, cntrl)
   Fail: (200) [system] char_type(s, cntrl)
^  Fail: (199) [user] is_like_space(s)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _1898724)
   Exit: (198) [system] get_char((0x55772f068e50), s)
   Call: (198) [system] s='('
   Fail: (198) [system] s='('
   Call: (198) [system] s='['
   Fail: (198) [system] s='['
   Call: (198) [system] s='{'
   Fail: (198) [system] s='{'
   Call: (198) [system] s='"'
   Fail: (198) [system] s='"'
   Call: (198) [system] s=!
   Fail: (198) [system] s=!
   Call: (198) [system] s='\''
   Fail: (198) [system] s='\''
   Call: (198) [system] s='`'
   Fail: (198) [system] s='`'
   Call: (198) [system] s=end_of_file
   Fail: (198) [system] s=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x55772f068e50), s, _1880856)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1916366)
   Call: (200) [system] peek_char((0x55772f068e50), _1917300)
   Exit: (200) [system] peek_char((0x55772f068e50), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Fail: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_1922020, v('(', ')', end_of_file), y)
   Fail: (201) [system] arg(_1922952, v('(', ')', end_of_file), y)
^  Fail: (200) [user] is_delimiter(y)
   Call: (200) [system] ')'==y
   Fail: (200) [system] ')'==y
   Call: (200) [system] get_char((0x55772f068e50), y)
   Exit: (200) [system] get_char((0x55772f068e50), y)
   Call: (200) [system] y=(\)
   Fail: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1930302)
   Call: (201) [system] peek_char((0x55772f068e50), _1931236)
   Exit: (201) [system] peek_char((0x55772f068e50), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_1935956, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_1936888, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x55772f068e50), n)
   Exit: (201) [system] get_char((0x55772f068e50), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1944238)
   Call: (202) [system] peek_char((0x55772f068e50), _1945172)
   Exit: (202) [system] peek_char((0x55772f068e50), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Fail: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_1949892, v('(', ')', end_of_file), t)
   Fail: (203) [system] arg(_1950824, v('(', ')', end_of_file), t)
^  Fail: (202) [user] is_delimiter(t)
   Call: (202) [system] ')'==t
   Fail: (202) [system] ')'==t
   Call: (202) [system] get_char((0x55772f068e50), t)
   Exit: (202) [system] get_char((0x55772f068e50), t)
   Call: (202) [system] t=(\)
   Fail: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1958174)
   Call: (203) [system] peek_char((0x55772f068e50), _1959108)
   Exit: (203) [system] peek_char((0x55772f068e50), h)
^  Call: (203) [user] is_delimiter(h)
   Call: (204) [system] char_type(h, space)
   Fail: (204) [system] char_type(h, space)
   Call: (204) [system] arg(_1963828, v('(', ')', end_of_file), h)
   Fail: (204) [system] arg(_1964760, v('(', ')', end_of_file), h)
^  Fail: (203) [user] is_delimiter(h)
   Call: (203) [system] ')'==h
   Fail: (203) [system] ')'==h
   Call: (203) [system] get_char((0x55772f068e50), h)
   Exit: (203) [system] get_char((0x55772f068e50), h)
   Call: (203) [system] h=(\)
   Fail: (203) [system] h=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1972110)
   Call: (204) [system] peek_char((0x55772f068e50), _1973044)
   Exit: (204) [system] peek_char((0x55772f068e50), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_1977764, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_1978696, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x55772f068e50), e)
   Exit: (204) [system] get_char((0x55772f068e50), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1986046)
   Call: (205) [system] peek_char((0x55772f068e50), _1986980)
   Exit: (205) [system] peek_char((0x55772f068e50), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_1991700, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_1992632, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x55772f068e50), s)
   Exit: (205) [system] get_char((0x55772f068e50), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1999982)
   Call: (206) [system] peek_char((0x55772f068e50), _2000916)
   Exit: (206) [system] peek_char((0x55772f068e50), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_2005636, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_2006568, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x55772f068e50), i)
   Exit: (206) [system] get_char((0x55772f068e50), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _2013918)
   Call: (207) [system] peek_char((0x55772f068e50), _2014852)
   Exit: (207) [system] peek_char((0x55772f068e50), z)
^  Call: (207) [user] is_delimiter(z)
   Call: (208) [system] char_type(z, space)
   Fail: (208) [system] char_type(z, space)
   Call: (208) [system] arg(_2019572, v('(', ')', end_of_file), z)
   Fail: (208) [system] arg(_2020504, v('(', ')', end_of_file), z)
^  Fail: (207) [user] is_delimiter(z)
   Call: (207) [system] ')'==z
   Fail: (207) [system] ')'==z
   Call: (207) [system] get_char((0x55772f068e50), z)
   Exit: (207) [system] get_char((0x55772f068e50), z)
   Call: (207) [system] z=(\)
   Fail: (207) [system] z=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _2027854)
   Call: (208) [system] peek_char((0x55772f068e50), _2028788)
   Exit: (208) [system] peek_char((0x55772f068e50), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_2033508, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_2034440, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x55772f068e50), e)
   Exit: (208) [system] get_char((0x55772f068e50), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _2041790)
   Call: (209) [system] peek_char((0x55772f068e50), _2042724)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _2041790=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (208) [system] _2027854=[e]
   Exit: (208) [system] [e]=[e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (207) [system] _2013918=[z, e]
   Exit: (207) [system] [z, e]=[z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [z, e])
   Call: (206) [system] _1999982=[i, z, e]
   Exit: (206) [system] [i, z, e]=[i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [i, z, e])
   Call: (205) [system] _1986046=[s, i, z, e]
   Exit: (205) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [s, i, z, e])
   Call: (204) [system] _1972110=[e, s, i, z, e]
   Exit: (204) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [e, s, i, z, e])
   Call: (203) [system] _1958174=[h, e, s, i, z, e]
   Exit: (203) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [h, e, s, i, z, e])
   Call: (202) [system] _1944238=[t, h, e, s, i, z, e]
   Exit: (202) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [t, h, e, s, i, z, e])
   Call: (201) [system] _1930302=[n, t, h, e, s, i, z, e]
   Exit: (201) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, h, e, s, i, z, e])
   Call: (200) [system] _1916366=[y, n, t, h, e, s, i, z, e]
   Exit: (200) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [y, n, t, h, e, s, i, z, e])
^  Call: (199) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _1880856)
^  Call: (200) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _2077154)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_2078106, _2078108), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _2077154), _2078088, fail)), '$restore_trace'(_2078106, _2078108))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_2078106, _2078108))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _2078088, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(synthesize)
   Exit: (201) [system] atomic(synthesize)
^  Exit: (200) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (200) [system] integer(synthesize)
   Fail: (200) [system] integer(synthesize)
   Call: (200) [system] _1880856=synthesize
   Exit: (200) [system] synthesize=synthesize
^  Exit: (199) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (198) [user] read_symbolic(')', (0x55772f068e50), s, synthesize)
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), synthesize)
^  Call: (197) [user] read_list(')', (0x55772f068e50), _2090234)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _2092092)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _8580)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _11284)
   Exit: (200) [system] peek_char((0x55772f068e50), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _28218)
   Exit: (198) [system] peek_char((0x55772f068e50), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _33788)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _35646)
   Exit: (200) [system] peek_char((0x55772f068e50), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _51656)
   Exit: (199) [system] get_char((0x55772f068e50), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x55772f068e50), _33788)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _57226)
   Exit: (201) [system] peek_char((0x55772f068e50), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _73236)
   Exit: (200) [system] peek_char((0x55772f068e50), :)
   Call: (200) [system] (:)=')'
   Fail: (200) [system] (:)=')'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _78806)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _80664)
   Exit: (202) [system] peek_char((0x55772f068e50), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
   Call: (202) [system] (:)=(/)
   Fail: (202) [system] (:)=(/)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _96674)
   Exit: (201) [system] get_char((0x55772f068e50), :)
   Call: (201) [system] (:)='('
   Fail: (201) [system] (:)='('
   Call: (201) [system] (:)='['
   Fail: (201) [system] (:)='['
   Call: (201) [system] (:)='{'
   Fail: (201) [system] (:)='{'
   Call: (201) [system] (:)='"'
   Fail: (201) [system] (:)='"'
   Call: (201) [system] (:)=!
   Fail: (201) [system] (:)=!
   Call: (201) [system] (:)='\''
   Fail: (201) [system] (:)='\''
   Call: (201) [system] (:)='`'
   Fail: (201) [system] (:)='`'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), :, _78806)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _114316)
   Call: (203) [system] peek_char((0x55772f068e50), _115250)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _114316=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (202) [user] classify_and_convert_charseq([:], _78806)
^  Call: (203) [user] classify_and_convert_charseq_([:], _124534)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_125486, _125488), once(user:catch(read_from_chars([:], _124534), _125468, fail)), '$restore_trace'(_125486, _125488))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_125486, _125488))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _125468, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(:)
   Exit: (204) [system] atomic(:)
^  Exit: (203) [user] classify_and_convert_charseq_([:], :)
   Call: (203) [system] integer(:)
   Fail: (203) [system] integer(:)
   Call: (203) [system] _78806=(:)
   Exit: (203) [system] (:)=(:)
^  Exit: (202) [user] classify_and_convert_charseq([:], :)
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (200) [user] read_list(')', (0x55772f068e50), _137614)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _139472)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _149066)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _151770)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _168704)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _174274)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _176132)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _192142)
   Exit: (202) [system] get_char((0x55772f068e50), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), $, _174274)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _209784)
   Call: (204) [system] peek_char((0x55772f068e50), _210718)
   Exit: (204) [system] peek_char((0x55772f068e50), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_215438, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_216370, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x55772f068e50), p)
   Exit: (204) [system] get_char((0x55772f068e50), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _223720)
   Call: (205) [system] peek_char((0x55772f068e50), _224654)
   Exit: (205) [system] peek_char((0x55772f068e50), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_229374, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_230306, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x55772f068e50), r)
   Exit: (205) [system] get_char((0x55772f068e50), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _237656)
   Call: (206) [system] peek_char((0x55772f068e50), _238590)
   Exit: (206) [system] peek_char((0x55772f068e50), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_243310, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_244242, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x55772f068e50), o)
   Exit: (206) [system] get_char((0x55772f068e50), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _251592)
   Call: (207) [system] peek_char((0x55772f068e50), _252526)
   Exit: (207) [system] peek_char((0x55772f068e50), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_257246, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_258178, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x55772f068e50), o)
   Exit: (207) [system] get_char((0x55772f068e50), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _265528)
   Call: (208) [system] peek_char((0x55772f068e50), _266462)
   Exit: (208) [system] peek_char((0x55772f068e50), f)
^  Call: (208) [user] is_delimiter(f)
   Call: (209) [system] char_type(f, space)
   Fail: (209) [system] char_type(f, space)
   Call: (209) [system] arg(_271182, v('(', ')', end_of_file), f)
   Fail: (209) [system] arg(_272114, v('(', ')', end_of_file), f)
^  Fail: (208) [user] is_delimiter(f)
   Call: (208) [system] ')'==f
   Fail: (208) [system] ')'==f
   Call: (208) [system] get_char((0x55772f068e50), f)
   Exit: (208) [system] get_char((0x55772f068e50), f)
   Call: (208) [system] f=(\)
   Fail: (208) [system] f=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _279464)
   Call: (209) [system] peek_char((0x55772f068e50), _280398)
   Exit: (209) [system] peek_char((0x55772f068e50), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Fail: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_285118, v('(', ')', end_of_file), '2')
   Fail: (210) [system] arg(_286050, v('(', ')', end_of_file), '2')
^  Fail: (209) [user] is_delimiter('2')
   Call: (209) [system] ')'=='2'
   Fail: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x55772f068e50), '2')
   Exit: (209) [system] get_char((0x55772f068e50), '2')
   Call: (209) [system] '2'=(\)
   Fail: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _293400)
   Call: (210) [system] peek_char((0x55772f068e50), _294334)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _293400=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (209) [system] _279464=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), ['2'])
   Call: (208) [system] _265528=[f, '2']
   Exit: (208) [system] [f, '2']=[f, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '2'])
   Call: (207) [system] _251592=[o, f, '2']
   Exit: (207) [system] [o, f, '2']=[o, f, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '2'])
   Call: (206) [system] _237656=[o, o, f, '2']
   Exit: (206) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '2'])
   Call: (205) [system] _223720=[r, o, o, f, '2']
   Exit: (205) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '2'])
   Call: (204) [system] _209784=[p, r, o, o, f, '2']
   Exit: (204) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '2'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _174274)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _320382)
   Call: (205) [system] atom_chars(_321314, ['_', p, r, o, o, f, '2'])
   Exit: (205) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _proof2)
   Call: (204) [system] integer(_proof2)
   Fail: (204) [system] integer(_proof2)
   Call: (204) [system] _174274=_proof2
   Exit: (204) [system] _proof2=_proof2
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _proof2)
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), $, _proof2)
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), _proof2)
^  Call: (201) [user] read_list(')', (0x55772f068e50), _330606)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _332464)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _342058)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _344762)
   Exit: (204) [system] peek_char((0x55772f068e50), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _361696)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x55772f068e50), _367266)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _369124)
   Exit: (204) [system] peek_char((0x55772f068e50), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] get_char((0x55772f068e50), _385134)
   Exit: (203) [system] get_char((0x55772f068e50), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x55772f068e50), $, _367266)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _402776)
   Call: (205) [system] peek_char((0x55772f068e50), _403710)
   Exit: (205) [system] peek_char((0x55772f068e50), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Fail: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_408430, v('(', ')', end_of_file), p)
   Fail: (206) [system] arg(_409362, v('(', ')', end_of_file), p)
^  Fail: (205) [user] is_delimiter(p)
   Call: (205) [system] ')'==p
   Fail: (205) [system] ')'==p
   Call: (205) [system] get_char((0x55772f068e50), p)
   Exit: (205) [system] get_char((0x55772f068e50), p)
   Call: (205) [system] p=(\)
   Fail: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _416712)
   Call: (206) [system] peek_char((0x55772f068e50), _417646)
   Exit: (206) [system] peek_char((0x55772f068e50), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_422366, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_423298, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x55772f068e50), r)
   Exit: (206) [system] get_char((0x55772f068e50), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _430648)
   Call: (207) [system] peek_char((0x55772f068e50), _431582)
   Exit: (207) [system] peek_char((0x55772f068e50), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_436302, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_437234, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x55772f068e50), e)
   Exit: (207) [system] get_char((0x55772f068e50), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _444584)
   Call: (208) [system] peek_char((0x55772f068e50), _445518)
   Exit: (208) [system] peek_char((0x55772f068e50), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_450238, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_451170, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x55772f068e50), m)
   Exit: (208) [system] get_char((0x55772f068e50), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _458520)
   Call: (209) [system] peek_char((0x55772f068e50), _459454)
   Exit: (209) [system] peek_char((0x55772f068e50), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_464174, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_465106, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x55772f068e50), i)
   Exit: (209) [system] get_char((0x55772f068e50), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _472456)
   Call: (210) [system] peek_char((0x55772f068e50), _473390)
   Exit: (210) [system] peek_char((0x55772f068e50), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Fail: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_478110, v('(', ')', end_of_file), s)
   Fail: (211) [system] arg(_479042, v('(', ')', end_of_file), s)
^  Fail: (210) [user] is_delimiter(s)
   Call: (210) [system] ')'==s
   Fail: (210) [system] ')'==s
   Call: (210) [system] get_char((0x55772f068e50), s)
   Exit: (210) [system] get_char((0x55772f068e50), s)
   Call: (210) [system] s=(\)
   Fail: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _486392)
   Call: (211) [system] peek_char((0x55772f068e50), _487326)
   Exit: (211) [system] peek_char((0x55772f068e50), e)
^  Call: (211) [user] is_delimiter(e)
   Call: (212) [system] char_type(e, space)
   Fail: (212) [system] char_type(e, space)
   Call: (212) [system] arg(_492046, v('(', ')', end_of_file), e)
   Fail: (212) [system] arg(_492978, v('(', ')', end_of_file), e)
^  Fail: (211) [user] is_delimiter(e)
   Call: (211) [system] ')'==e
   Fail: (211) [system] ')'==e
   Call: (211) [system] get_char((0x55772f068e50), e)
   Exit: (211) [system] get_char((0x55772f068e50), e)
   Call: (211) [system] e=(\)
   Fail: (211) [system] e=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _500328)
   Call: (212) [system] peek_char((0x55772f068e50), _501262)
   Exit: (212) [system] peek_char((0x55772f068e50), '2')
^  Call: (212) [user] is_delimiter('2')
   Call: (213) [system] char_type('2', space)
   Fail: (213) [system] char_type('2', space)
   Call: (213) [system] arg(_505982, v('(', ')', end_of_file), '2')
   Fail: (213) [system] arg(_506914, v('(', ')', end_of_file), '2')
^  Fail: (212) [user] is_delimiter('2')
   Call: (212) [system] ')'=='2'
   Fail: (212) [system] ')'=='2'
   Call: (212) [system] get_char((0x55772f068e50), '2')
   Exit: (212) [system] get_char((0x55772f068e50), '2')
   Call: (212) [system] '2'=(\)
   Fail: (212) [system] '2'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _514264)
   Call: (213) [system] peek_char((0x55772f068e50), _515198)
   Exit: (213) [system] peek_char((0x55772f068e50), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_519918, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _514264=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (212) [system] _500328=['2']
   Exit: (212) [system] ['2']=['2']
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), ['2'])
   Call: (211) [system] _486392=[e, '2']
   Exit: (211) [system] [e, '2']=[e, '2']
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '2'])
   Call: (210) [system] _472456=[s, e, '2']
   Exit: (210) [system] [s, e, '2']=[s, e, '2']
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '2'])
   Call: (209) [system] _458520=[i, s, e, '2']
   Exit: (209) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '2'])
   Call: (208) [system] _444584=[m, i, s, e, '2']
   Exit: (208) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '2'])
   Call: (207) [system] _430648=[e, m, i, s, e, '2']
   Exit: (207) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '2'])
   Call: (206) [system] _416712=[r, e, m, i, s, e, '2']
   Exit: (206) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '2'])
   Call: (205) [system] _402776=[p, r, e, m, i, s, e, '2']
   Exit: (205) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '2'])
^  Call: (204) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _367266)
^  Call: (205) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _548706)
   Call: (206) [system] atom_chars(_549638, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (206) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (205) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _premise2)
   Call: (205) [system] integer(_premise2)
   Fail: (205) [system] integer(_premise2)
   Call: (205) [system] _367266=_premise2
   Exit: (205) [system] _premise2=_premise2
^  Exit: (204) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (203) [user] read_symbolic(')', (0x55772f068e50), $, _premise2)
^  Exit: (202) [user] cont_sexpr(')', (0x55772f068e50), _premise2)
^  Call: (202) [user] read_list(')', (0x55772f068e50), _558930)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _560788)
   Exit: (204) [system] peek_char((0x55772f068e50), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _576798)
   Exit: (203) [system] peek_char((0x55772f068e50), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x55772f068e50), _580588)
   Exit: (203) [system] get_char((0x55772f068e50), ')')
   Call: (203) [system] _558930=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x55772f068e50), [])
   Call: (202) [system] _330606=[_premise2]
   Exit: (202) [system] [_premise2]=[_premise2]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [_premise2])
   Call: (201) [system] _137614=[_proof2, _premise2]
   Exit: (201) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [_proof2, _premise2])
   Call: (200) [system] _33788=[:, _proof2, _premise2]
   Exit: (200) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [:, _proof2, _premise2])
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), [:, _proof2, _premise2])
^  Call: (198) [user] read_list(')', (0x55772f068e50), _594470)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _596328)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _605922)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _608626)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _625560)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _631130)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _632988)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _648998)
   Exit: (200) [system] get_char((0x55772f068e50), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), $, _631130)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _666640)
   Call: (202) [system] peek_char((0x55772f068e50), _667574)
   Exit: (202) [system] peek_char((0x55772f068e50), k)
^  Call: (202) [user] is_delimiter(k)
   Call: (203) [system] char_type(k, space)
   Fail: (203) [system] char_type(k, space)
   Call: (203) [system] arg(_672294, v('(', ')', end_of_file), k)
   Fail: (203) [system] arg(_673226, v('(', ')', end_of_file), k)
^  Fail: (202) [user] is_delimiter(k)
   Call: (202) [system] ')'==k
   Fail: (202) [system] ')'==k
   Call: (202) [system] get_char((0x55772f068e50), k)
   Exit: (202) [system] get_char((0x55772f068e50), k)
   Call: (202) [system] k=(\)
   Fail: (202) [system] k=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _680576)
   Call: (203) [system] peek_char((0x55772f068e50), _681510)
   Exit: (203) [system] peek_char((0x55772f068e50), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_686230, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_687162, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x55772f068e50), b)
   Exit: (203) [system] get_char((0x55772f068e50), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _694512)
   Call: (204) [system] peek_char((0x55772f068e50), _695446)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _694512=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (203) [system] _680576=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (202) [system] _666640=[k, b]
   Exit: (202) [system] [k, b]=[k, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [k, b])
^  Call: (201) [user] classify_and_convert_charseq([$, k, b], _631130)
^  Call: (202) [user] classify_and_convert_charseq_([$, k, b], _710318)
   Call: (203) [system] atom_chars(_711250, ['_', k, b])
   Exit: (203) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (202) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (202) [system] integer(_kb)
   Fail: (202) [system] integer(_kb)
   Call: (202) [system] _631130=_kb
   Exit: (202) [system] _kb=_kb
^  Exit: (201) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), $, _kb)
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), _kb)
^  Call: (199) [user] read_list(')', (0x55772f068e50), _720542)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _722400)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _731994)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _734698)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _751632)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _757202)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _759060)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _775070)
   Exit: (201) [system] get_char((0x55772f068e50), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), $, _757202)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _792712)
   Call: (203) [system] peek_char((0x55772f068e50), _793646)
   Exit: (203) [system] peek_char((0x55772f068e50), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_798366, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_799298, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x55772f068e50), r)
   Exit: (203) [system] get_char((0x55772f068e50), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _806648)
   Call: (204) [system] peek_char((0x55772f068e50), _807582)
   Exit: (204) [system] peek_char((0x55772f068e50), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Fail: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_812302, v('(', ')', end_of_file), b)
   Fail: (205) [system] arg(_813234, v('(', ')', end_of_file), b)
^  Fail: (204) [user] is_delimiter(b)
   Call: (204) [system] ')'==b
   Fail: (204) [system] ')'==b
   Call: (204) [system] get_char((0x55772f068e50), b)
   Exit: (204) [system] get_char((0x55772f068e50), b)
   Call: (204) [system] b=(\)
   Fail: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _820584)
   Call: (205) [system] peek_char((0x55772f068e50), _821518)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _820584=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (204) [system] _806648=[b]
   Exit: (204) [system] [b]=[b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (203) [system] _792712=[r, b]
   Exit: (203) [system] [r, b]=[r, b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [r, b])
^  Call: (202) [user] classify_and_convert_charseq([$, r, b], _757202)
^  Call: (203) [user] classify_and_convert_charseq_([$, r, b], _836390)
   Call: (204) [system] atom_chars(_837322, ['_', r, b])
   Exit: (204) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (203) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (203) [system] integer(_rb)
   Fail: (203) [system] integer(_rb)
   Call: (203) [system] _757202=_rb
   Exit: (203) [system] _rb=_rb
^  Exit: (202) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), $, _rb)
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), _rb)
^  Call: (200) [user] read_list(')', (0x55772f068e50), _846614)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _848472)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _858066)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _860770)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _877704)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _883274)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _885132)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _901142)
   Exit: (202) [system] get_char((0x55772f068e50), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), $, _883274)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _918784)
   Call: (204) [system] peek_char((0x55772f068e50), _919718)
   Exit: (204) [system] peek_char((0x55772f068e50), k)
^  Call: (204) [user] is_delimiter(k)
   Call: (205) [system] char_type(k, space)
   Fail: (205) [system] char_type(k, space)
   Call: (205) [system] arg(_924438, v('(', ')', end_of_file), k)
   Fail: (205) [system] arg(_925370, v('(', ')', end_of_file), k)
^  Fail: (204) [user] is_delimiter(k)
   Call: (204) [system] ')'==k
   Fail: (204) [system] ')'==k
   Call: (204) [system] get_char((0x55772f068e50), k)
   Exit: (204) [system] get_char((0x55772f068e50), k)
   Call: (204) [system] k=(\)
   Fail: (204) [system] k=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _932720)
   Call: (205) [system] peek_char((0x55772f068e50), _933654)
   Exit: (205) [system] peek_char((0x55772f068e50), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_938374, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _932720=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (204) [system] _918784=[k]
   Exit: (204) [system] [k]=[k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
^  Call: (203) [user] classify_and_convert_charseq([$, k], _883274)
^  Call: (204) [user] classify_and_convert_charseq_([$, k], _947604)
   Call: (205) [system] atom_chars(_948536, ['_', k])
   Exit: (205) [system] atom_chars('_k', ['_', k])
^  Exit: (204) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (204) [system] integer(_k)
   Fail: (204) [system] integer(_k)
   Call: (204) [system] _883274=_k
   Exit: (204) [system] _k=_k
^  Exit: (203) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), $, _k)
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), _k)
^  Call: (201) [user] read_list(')', (0x55772f068e50), _957828)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _959686)
   Exit: (203) [system] peek_char((0x55772f068e50), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _975696)
   Exit: (202) [system] peek_char((0x55772f068e50), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x55772f068e50), _979486)
   Exit: (202) [system] get_char((0x55772f068e50), ')')
   Call: (202) [system] _957828=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [])
   Call: (201) [system] _846614=[_k]
   Exit: (201) [system] [_k]=[_k]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [_k])
   Call: (200) [system] _720542=[_rb, _k]
   Exit: (200) [system] [_rb, _k]=[_rb, _k]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [_rb, _k])
   Call: (199) [system] _594470=[_kb, _rb, _k]
   Exit: (199) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [_kb, _rb, _k])
   Call: (198) [system] _3760=[[:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (198) [system] [[:, _proof2, _premise2], _kb, _rb, _k]=[[:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [[:, _proof2, _premise2], _kb, _rb, _k])
   Call: (197) [system] _3752=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (197) [system] [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Call: (195) [user] read_list(')', (0x55772f068e50), _998956)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1000814)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1016824)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x55772f068e50), _1020614)
   Exit: (196) [system] get_char((0x55772f068e50), ')')
   Call: (196) [system] _998956=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [])
   Call: (195) [system] _3748=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (195) [system] [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Call: (194) [system] _3714=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (194) [system] [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Call: (192) [user] read_list(')', (0x55772f068e50), _1031702)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1033560)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1049570)
   Exit: (193) [system] peek_char((0x55772f068e50), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x55772f068e50), _1053360)
   Exit: (193) [system] get_char((0x55772f068e50), ')')
   Call: (193) [system] _1031702=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [])
   Call: (192) [system] _3710=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
   Exit: (192) [system] [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
   Call: (191) [system] _3598=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
   Exit: (191) [system] [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
^  Exit: (190) [user] read_list(')', (0x55772f068e50), [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
   Call: (190) [system] _3524=[[[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
   Exit: (190) [system] [[[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]=[[[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
^  Exit: (189) [user] read_list(')', (0x55772f068e50), [[[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
   Call: (189) [system] _3436=[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
   Exit: (189) [system] [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]=[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
^  Exit: (187) [user] cont_sexpr(')', (0x55772f068e50), [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
^  Call: (187) [user] read_list(')', (0x55772f068e50), _1070036)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1071894)
   Exit: (189) [system] peek_char((0x55772f068e50), '\n')
   Call: (189) [system] '\n'=(;)
   Fail: (189) [system] '\n'=(;)
   Call: (189) [system] '\n'=(/)
   Fail: (189) [system] '\n'=(/)
^  Call: (189) [user] is_like_space('\n')
   Call: (190) [system] char_type('\n', 'white')
   Fail: (190) [system] char_type('\n', 'white')
   Call: (190) [system] char_type('\n', end_of_line)
   Exit: (190) [system] char_type('\n', end_of_line)
^  Exit: (189) [user] is_like_space('\n')
   Call: (189) [system] get_char((0x55772f068e50), _1083344)
   Exit: (189) [system] get_char((0x55772f068e50), '\n')
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1086048)
   Exit: (190) [system] peek_char((0x55772f068e50), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x55772f068e50), _1095642)
   Exit: (190) [system] get_char((0x55772f068e50), ' ')
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1098346)
   Exit: (191) [system] peek_char((0x55772f068e50), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x55772f068e50), _1107940)
   Exit: (191) [system] get_char((0x55772f068e50), ' ')
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1110644)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x55772f068e50), _1120238)
   Exit: (192) [system] get_char((0x55772f068e50), ' ')
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1122942)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _1132536)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1135240)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _1144834)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1147538)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1169092)
   Exit: (188) [system] peek_char((0x55772f068e50), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x55772f068e50), _1174662)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1176520)
   Exit: (190) [system] peek_char((0x55772f068e50), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] get_char((0x55772f068e50), _1192530)
   Exit: (189) [system] get_char((0x55772f068e50), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x55772f068e50), $, _1174662)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _1210172)
   Call: (191) [system] peek_char((0x55772f068e50), _1211106)
   Exit: (191) [system] peek_char((0x55772f068e50), q)
^  Call: (191) [user] is_delimiter(q)
   Call: (192) [system] char_type(q, space)
   Fail: (192) [system] char_type(q, space)
   Call: (192) [system] arg(_1215826, v('(', ')', end_of_file), q)
   Fail: (192) [system] arg(_1216758, v('(', ')', end_of_file), q)
^  Fail: (191) [user] is_delimiter(q)
   Call: (191) [system] ')'==q
   Fail: (191) [system] ')'==q
   Call: (191) [system] get_char((0x55772f068e50), q)
   Exit: (191) [system] get_char((0x55772f068e50), q)
   Call: (191) [system] q=(\)
   Fail: (191) [system] q=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _1224108)
   Call: (192) [system] peek_char((0x55772f068e50), _1225042)
   Exit: (192) [system] peek_char((0x55772f068e50), u)
^  Call: (192) [user] is_delimiter(u)
   Call: (193) [system] char_type(u, space)
   Fail: (193) [system] char_type(u, space)
   Call: (193) [system] arg(_1229762, v('(', ')', end_of_file), u)
   Fail: (193) [system] arg(_1230694, v('(', ')', end_of_file), u)
^  Fail: (192) [user] is_delimiter(u)
   Call: (192) [system] ')'==u
   Fail: (192) [system] ')'==u
   Call: (192) [system] get_char((0x55772f068e50), u)
   Exit: (192) [system] get_char((0x55772f068e50), u)
   Call: (192) [system] u=(\)
   Fail: (192) [system] u=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _1238044)
   Call: (193) [system] peek_char((0x55772f068e50), _1238978)
   Exit: (193) [system] peek_char((0x55772f068e50), e)
^  Call: (193) [user] is_delimiter(e)
   Call: (194) [system] char_type(e, space)
   Fail: (194) [system] char_type(e, space)
   Call: (194) [system] arg(_1243698, v('(', ')', end_of_file), e)
   Fail: (194) [system] arg(_1244630, v('(', ')', end_of_file), e)
^  Fail: (193) [user] is_delimiter(e)
   Call: (193) [system] ')'==e
   Fail: (193) [system] ')'==e
   Call: (193) [system] get_char((0x55772f068e50), e)
   Exit: (193) [system] get_char((0x55772f068e50), e)
   Call: (193) [system] e=(\)
   Fail: (193) [system] e=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _1251980)
   Call: (194) [system] peek_char((0x55772f068e50), _1252914)
   Exit: (194) [system] peek_char((0x55772f068e50), r)
^  Call: (194) [user] is_delimiter(r)
   Call: (195) [system] char_type(r, space)
   Fail: (195) [system] char_type(r, space)
   Call: (195) [system] arg(_1257634, v('(', ')', end_of_file), r)
   Fail: (195) [system] arg(_1258566, v('(', ')', end_of_file), r)
^  Fail: (194) [user] is_delimiter(r)
   Call: (194) [system] ')'==r
   Fail: (194) [system] ')'==r
   Call: (194) [system] get_char((0x55772f068e50), r)
   Exit: (194) [system] get_char((0x55772f068e50), r)
   Call: (194) [system] r=(\)
   Fail: (194) [system] r=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _1265916)
   Call: (195) [system] peek_char((0x55772f068e50), _1266850)
   Exit: (195) [system] peek_char((0x55772f068e50), y)
^  Call: (195) [user] is_delimiter(y)
   Call: (196) [system] char_type(y, space)
   Fail: (196) [system] char_type(y, space)
   Call: (196) [system] arg(_1271570, v('(', ')', end_of_file), y)
   Fail: (196) [system] arg(_1272502, v('(', ')', end_of_file), y)
^  Fail: (195) [user] is_delimiter(y)
   Call: (195) [system] ')'==y
   Fail: (195) [system] ')'==y
   Call: (195) [system] get_char((0x55772f068e50), y)
   Exit: (195) [system] get_char((0x55772f068e50), y)
   Call: (195) [system] y=(\)
   Fail: (195) [system] y=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _1279852)
   Call: (196) [system] peek_char((0x55772f068e50), _1280786)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_1285506, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _1279852=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (195) [system] _1265916=[y]
   Exit: (195) [system] [y]=[y]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [y])
   Call: (194) [system] _1251980=[r, y]
   Exit: (194) [system] [r, y]=[r, y]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [r, y])
   Call: (193) [system] _1238044=[e, r, y]
   Exit: (193) [system] [e, r, y]=[e, r, y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [e, r, y])
   Call: (192) [system] _1224108=[u, e, r, y]
   Exit: (192) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [u, e, r, y])
   Call: (191) [system] _1210172=[q, u, e, r, y]
   Exit: (191) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [q, u, e, r, y])
^  Call: (190) [user] classify_and_convert_charseq([$, q, u, e, r, y], _1174662)
^  Call: (191) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _1305912)
   Call: (192) [system] atom_chars(_1306844, ['_', q, u, e, r, y])
   Exit: (192) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (191) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (191) [system] integer(_query)
   Fail: (191) [system] integer(_query)
   Call: (191) [system] _1174662=_query
   Exit: (191) [system] _query=_query
^  Exit: (190) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (189) [user] read_symbolic(')', (0x55772f068e50), $, _query)
^  Exit: (188) [user] cont_sexpr(')', (0x55772f068e50), _query)
^  Call: (188) [user] read_list(')', (0x55772f068e50), _1316136)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1317994)
   Exit: (190) [system] peek_char((0x55772f068e50), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1334004)
   Exit: (189) [system] peek_char((0x55772f068e50), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x55772f068e50), _1337794)
   Exit: (189) [system] get_char((0x55772f068e50), ')')
   Call: (189) [system] _1316136=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [])
   Call: (188) [system] _1070036=[_query]
   Exit: (188) [system] [_query]=[_query]
^  Exit: (187) [user] read_list(')', (0x55772f068e50), [_query])
   Call: (187) [system] _3432=[[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]
   Exit: (187) [system] [[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]=[[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]
^  Exit: (186) [user] read_list(')', (0x55772f068e50), [[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
   Call: (186) [system] _3424=['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]
   Exit: (186) [system] ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]=['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
^  Exit: (184) [user] cont_sexpr(')', (0x55772f068e50), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
^  Call: (184) [user] read_list(')', (0x55772f068e50), _1351676)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1353534)
   Exit: (186) [system] peek_char((0x55772f068e50), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1369544)
   Exit: (185) [system] peek_char((0x55772f068e50), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x55772f068e50), _1373334)
   Exit: (185) [system] get_char((0x55772f068e50), ')')
   Call: (185) [system] _1351676=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [])
   Call: (184) [system] _3420=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
   Exit: (184) [system] [['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] read_list(')', (0x55772f068e50), [['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Call: (183) [system] _3356=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
   Exit: (183) [system] [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
^  Exit: (182) [user] read_list(')', (0x55772f068e50), [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Call: (182) [system] _3316=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
   Exit: (182) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
^  Exit: (181) [user] read_list(')', (0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (180) [user] cont_sexpr(')', (0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (179) [user] read_sexpr((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Call: (179) [user] assertz(metta_file_comment(60, 0, 2034, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], '$stream_position'(2034, 60, 0, 2034)))
^  Exit: (179) [user] assertz(metta_file_comment(60, 0, 2034, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], '$stream_position'(2034, 60, 0, 2034)))
^  Exit: (177) [system] once(user:(read_position((0x55772f068e50), 60, 0, 2034, '$stream_position'(2034, 60, 0, 2034)), read_sexpr((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]), assertz(metta_file_comment(60, 0, 2034, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], '$stream_position'(2034, 60, 0, 2034)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1391852, _1391854, _1391856, _1391858, _1391860))
^  Exit: (177) [user] retract(metta_file_comment(40, 0, 1292, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), '$stream_position'(1292, 40, 0, 1292)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), _1394694))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), _1394694)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), _1394694)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), _1397510))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), _1397510))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), _1397510)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), _1400310))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), _1400310)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), _1400310)
   Call: (187) [system] var('$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0))
   Call: (187) [system] atom('$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0))
   Call: (187) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0)==true
   Call: (187) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0)==false
   Call: (187) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0)==[_1406830, _1406836]
   Call: (187) [system] is_list('$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0))
   Call: (187) [system] string('$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0))
   Call: (187) [system] compound('$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0))
   Exit: (187) [system] compound('$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), _1411464, _1411466)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), '$COMMENT', [";;\t\t to non-deterministically pick up a", 40, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;\t\t to non-deterministically pick up a", 40, 0], _1415206)
   Call: (188) [apply] apply:maplist_([";;\t\t to non-deterministically pick up a", 40, 0], _1415206, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;\t\t to non-deterministically pick up a", _1417086)
   Call: (190) [system] var(";;\t\t to non-deterministically pick up a")
   Call: (190) [system] atom(";;\t\t to non-deterministically pick up a")
   Call: (190) [system] ";;\t\t to non-deterministically pick up a"==true
   Call: (190) [system] ";;\t\t to non-deterministically pick up a"==false
   Call: (190) [system] ";;\t\t to non-deterministically pick up a"==[_1421728, _1421734]
   Call: (190) [system] is_list(";;\t\t to non-deterministically pick up a")
   Call: (190) [system] string(";;\t\t to non-deterministically pick up a")
   Exit: (190) [system] string(";;\t\t to non-deterministically pick up a")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;\t\t to non-deterministically pick up a")
^  Call: (190) [user] symbol(";;\t\t to non-deterministically pick up a")
   Call: (191) [system] atom(";;\t\t to non-deterministically pick up a")
   Fail: (191) [system] atom(";;\t\t to non-deterministically pick up a")
^  Fail: (190) [user] symbol(";;\t\t to non-deterministically pick up a")
   Call: (190) [system] ";;\t\t to non-deterministically pick up a"=_1417086
   Exit: (190) [system] ";;\t\t to non-deterministically pick up a"=";;\t\t to non-deterministically pick up a"
^  Exit: (189) [user] mfix_vars1(";;\t\t to non-deterministically pick up a", ";;\t\t to non-deterministically pick up a")
   Call: (189) [apply] apply:maplist_([40, 0], _1417088, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(40, _1435608)
   Call: (191) [system] var(40)
   Call: (191) [system] atom(40)
   Call: (191) [system] 40==true
   Call: (191) [system] 40==false
   Call: (191) [system] 40==[_1440250, _1440256]
   Call: (191) [system] is_list(40)
   Call: (191) [system] string(40)
   Call: (191) [system] compound(40)
^  Call: (191) [user] symbol(40)
   Call: (192) [system] atom(40)
   Fail: (192) [system] atom(40)
^  Fail: (191) [user] symbol(40)
   Call: (191) [system] 40=_1435608
   Exit: (191) [system] 40=40
^  Exit: (190) [user] mfix_vars1(40, 40)
   Call: (190) [apply] apply:maplist_([0], _1435610, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _1451374)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_1456016, _1456022]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_1451374
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _1451376, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([40, 0], [40, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;\t\t to non-deterministically pick up a", 40, 0], [";;\t\t to non-deterministically pick up a", 40, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;\t\t to non-deterministically pick up a", 40, 0], [";;\t\t to non-deterministically pick up a", 40, 0])
   Call: (187) [system] compound_name_arguments(_1400310, '$COMMENT', [";;\t\t to non-deterministically pick up a", 40, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), '$COMMENT', [";;\t\t to non-deterministically pick up a", 40, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), _1480192))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), _1480192))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), _1480192)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), _1482992))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), _1482992)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), _1482992)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), _1394694))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), _1394694))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), _1394694)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), _1496950))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), _1496950)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), _1496950)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0)))
   Call: (178) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0))
^  Exit: (171) [user] read_sform((0x55772f068e50), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0))
^  Exit: (170) [system] once(user:read_sform((0x55772f068e50), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x55772f068e50), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0)))
   Call: (169) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727481849.951376), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481849.951376), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0)), 59]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), me_synthesize_1727481849_9551582, 59)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727481849.951376), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481849.951376), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0)), 59]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727481852.8105164)
   Call: (173) [system] arg(1, t(1727481849.951376), _3148)
   Exit: (173) [system] arg(1, t(1727481849.951376), 1727481849.951376)
   Call: (173) [system] _3158 is 1727481852.8105164-1727481849.951376
   Exit: (173) [system] 2.859140396118164 is 1727481852.8105164-1727481849.951376
   Call: (173) [system] 2.859140396118164>4
   Fail: (173) [system] 2.859140396118164>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727481849.951376), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481849.951376), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0)), 59]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 6)
   Call: (175) [system] atom(6+1)
   Call: (175) [system] set_flag(translated_forms, 7)
   Exit: (175) [system] set_flag(translated_forms, 7)
   Exit: (174) [$syspreds] update_flag(translated_forms, 6, 6+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 6, 6+1))
   Exit: (171) [$syspreds] flag(translated_forms, 6, 6+1)
^  Call: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), me_synthesize_1727481849_9551582, 59)
^  Call: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";;\t\t to non-deterministically pick up a"])
^  Exit: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";;\t\t to non-deterministically pick up a"])
^  Exit: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), me_synthesize_1727481849_9551582, 59)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727481849.951376), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481849.951376), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0)), 59]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 6, 6+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 40, 0), me_synthesize_1727481849_9551582, 59)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x55772f068e50))
   Fail: (169) [system] at_end_of_stream((0x55772f068e50))
^  Call: (169) [user] must_det_ll(line_count((0x55772f068e50), _3074))
^  Call: (170) [user] once(user:line_count((0x55772f068e50), _3074))
   Call: (171) [system] line_count((0x55772f068e50), _3074)
   Exit: (171) [system] line_count((0x55772f068e50), 66)
^  Exit: (170) [system] once(user:line_count((0x55772f068e50), 66))
^  Exit: (169) [user] must_det_ll(user:line_count((0x55772f068e50), 66))
^  Call: (169) [user] must_det_ll(read_sform((0x55772f068e50), _3084))
^  Call: (170) [user] once(user:read_sform((0x55772f068e50), _3084))
^  Call: (171) [user] read_sform((0x55772f068e50), _3084)
   Call: (172) [system] string((0x55772f068e50))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (173) [system] string((0x55772f068e50))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (174) [system] at_end_of_stream((0x55772f068e50))
   Call: (174) [system] peek_char((0x55772f068e50), _1571734)
   Exit: (174) [system] peek_char((0x55772f068e50), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x55772f068e50), '\n')
   Exit: (174) [system] get_char((0x55772f068e50), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), _3084)
   Call: (175) [system] at_end_of_stream((0x55772f068e50))
   Call: (175) [system] peek_char((0x55772f068e50), _1579156)
   Exit: (175) [system] peek_char((0x55772f068e50), ;)
   Call: (175) [system] char_type(;, space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (176) [system] string((0x55772f068e50))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (177) [system] at_end_of_stream((0x55772f068e50))
   Call: (177) [system] peek_char((0x55772f068e50), _1587494)
   Exit: (177) [system] peek_char((0x55772f068e50), ;)
   Call: (177) [system] char_type(;, space)
   Call: (177) [system] _1590280=(0x55772f068e50)
   Exit: (177) [system] (0x55772f068e50)=(0x55772f068e50)
^  Call: (177) [user] once((read_position((0x55772f068e50), _1592148, _1592150, _1592152, _1592154), read_sexpr((0x55772f068e50), _1592166), assertz(metta_file_comment(_1592148, _1592150, _1592152, _1592166, _1592154))))
^  Call: (179) [user] read_position((0x55772f068e50), _1592148, _1592150, _1592152, _1592154)
   Call: (180) [system] stream_property((0x55772f068e50), position(_1592154))
   Call: (181) [system] nonvar((0x55772f068e50))
   Exit: (181) [system] nonvar((0x55772f068e50))
   Call: (181) [system] nonvar(position(_1592154))
   Exit: (181) [system] nonvar(position(_1592154))
   Exit: (180) [system] stream_property((0x55772f068e50), position('$stream_position'(2390, 67, 0, 2390)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(2390, 67, 0, 2390), _1592148)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1602406)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(2390, 67, 0, 2390), _1592148)
   Exit: (181) [system] arg(2, '$stream_position'(2390, 67, 0, 2390), 67)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(2390, 67, 0, 2390), 67)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(2390, 67, 0, 2390), _1592150)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1609840)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(2390, 67, 0, 2390), _1592150)
   Exit: (181) [system] arg(3, '$stream_position'(2390, 67, 0, 2390), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(2390, 67, 0, 2390), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(2390, 67, 0, 2390), _1592152)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1617274)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(2390, 67, 0, 2390), _1592152)
   Exit: (181) [system] arg(1, '$stream_position'(2390, 67, 0, 2390), 2390)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(2390, 67, 0, 2390), 2390)
^  Exit: (179) [user] read_position((0x55772f068e50), 67, 0, 2390, '$stream_position'(2390, 67, 0, 2390))
^  Call: (179) [user] read_sexpr((0x55772f068e50), _1592166)
   Call: (180) [system] string((0x55772f068e50))
   Fail: (180) [system] string((0x55772f068e50))
^  Call: (180) [user] cont_sexpr(')', (0x55772f068e50), _1592166)
^  Call: (181) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _1627500)
   Exit: (182) [system] peek_char((0x55772f068e50), ;)
   Call: (182) [system] (;)=(;)
   Exit: (182) [system] (;)=(;)
^  Call: (182) [user] read_single_line_comment((0x55772f068e50))
^  Call: (183) [user] read_position((0x55772f068e50), _1632138, _1632140, _1632142, _1632144)
   Call: (184) [system] stream_property((0x55772f068e50), position(_1632144))
   Call: (185) [system] nonvar((0x55772f068e50))
   Exit: (185) [system] nonvar((0x55772f068e50))
   Call: (185) [system] nonvar(position(_1632144))
   Exit: (185) [system] nonvar(position(_1632144))
   Exit: (184) [system] stream_property((0x55772f068e50), position('$stream_position'(2390, 67, 0, 2390)))
   Call: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(2390, 67, 0, 2390), _1632138)
   Call: (185) [system] nonvar(line_count)
   Exit: (185) [system] nonvar(line_count)
   Call: (185) [$syspreds] stream_position_field(line_count, _1641432)
   Exit: (185) [$syspreds] stream_position_field(line_count, 2)
   Call: (185) [system] arg(2, '$stream_position'(2390, 67, 0, 2390), _1632138)
   Exit: (185) [system] arg(2, '$stream_position'(2390, 67, 0, 2390), 67)
   Exit: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(2390, 67, 0, 2390), 67)
   Call: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(2390, 67, 0, 2390), _1632140)
   Call: (185) [system] nonvar(line_position)
   Exit: (185) [system] nonvar(line_position)
   Call: (185) [$syspreds] stream_position_field(line_position, _1648866)
   Exit: (185) [$syspreds] stream_position_field(line_position, 3)
   Call: (185) [system] arg(3, '$stream_position'(2390, 67, 0, 2390), _1632140)
   Exit: (185) [system] arg(3, '$stream_position'(2390, 67, 0, 2390), 0)
   Exit: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(2390, 67, 0, 2390), 0)
   Call: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(2390, 67, 0, 2390), _1632142)
   Call: (185) [system] nonvar(char_count)
   Exit: (185) [system] nonvar(char_count)
   Call: (185) [$syspreds] stream_position_field(char_count, _1656300)
   Exit: (185) [$syspreds] stream_position_field(char_count, 1)
   Call: (185) [system] arg(1, '$stream_position'(2390, 67, 0, 2390), _1632142)
   Exit: (185) [system] arg(1, '$stream_position'(2390, 67, 0, 2390), 2390)
   Exit: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(2390, 67, 0, 2390), 2390)
^  Exit: (183) [user] read_position((0x55772f068e50), 67, 0, 2390, '$stream_position'(2390, 67, 0, 2390))
   Call: (183) [read_util] read_util:read_line_to_string((0x55772f068e50), _1661894)
   Call: (184) [system] read_string((0x55772f068e50), '\n', '\r', _1662824, _1662826)
   Exit: (184) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";; Trinary rule")
   Call: (184) [system] 10\== -1
   Exit: (184) [system] 10\== -1
   Call: (184) [system] _1661894=";; Trinary rule"
   Exit: (184) [system] ";; Trinary rule"=";; Trinary rule"
   Exit: (183) [read_util] read_util:read_line_to_string((0x55772f068e50), ";; Trinary rule")
^  Call: (183) [user] assertz(metta_file_comment(67, 0, 2390, '$COMMENT'(";; Trinary rule", 67, 0), '$stream_position'(2390, 67, 0, 2390)))
^  Exit: (183) [user] assertz(metta_file_comment(67, 0, 2390, '$COMMENT'(";; Trinary rule", 67, 0), '$stream_position'(2390, 67, 0, 2390)))
^  Exit: (182) [user] read_single_line_comment((0x55772f068e50))
^  Call: (182) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _1673086)
   Exit: (183) [system] peek_char((0x55772f068e50), '(')
   Call: (183) [system] '('=(;)
   Fail: (183) [system] '('=(;)
   Call: (183) [system] '('=(/)
   Fail: (183) [system] '('=(/)
^  Call: (183) [user] is_like_space('(')
   Call: (184) [system] char_type('(', 'white')
   Fail: (184) [system] char_type('(', 'white')
   Call: (184) [system] char_type('(', end_of_line)
   Fail: (184) [system] char_type('(', end_of_line)
   Call: (184) [system] char_type('(', space)
   Fail: (184) [system] char_type('(', space)
   Call: (184) [system] char_type('(', cntrl)
   Fail: (184) [system] char_type('(', cntrl)
^  Fail: (183) [user] is_like_space('(')
^  Exit: (182) [user] skip_spaces((0x55772f068e50))
^  Exit: (181) [user] skip_spaces((0x55772f068e50))
   Call: (181) [system] get_char((0x55772f068e50), _1690020)
   Exit: (181) [system] get_char((0x55772f068e50), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x55772f068e50), _1592166)
^  Call: (182) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _1695590)
   Exit: (183) [system] peek_char((0x55772f068e50), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _1711600)
   Exit: (182) [system] peek_char((0x55772f068e50), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x55772f068e50), _1717170)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _1719028)
   Exit: (184) [system] peek_char((0x55772f068e50), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] get_char((0x55772f068e50), _1735038)
   Exit: (183) [system] get_char((0x55772f068e50), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x55772f068e50), =, _1717170)
^  Call: (184) [user] read_symbolic_cont(')', (0x55772f068e50), _1752680)
   Call: (185) [system] peek_char((0x55772f068e50), _1753614)
   Exit: (185) [system] peek_char((0x55772f068e50), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1752680=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _1717170)
^  Call: (185) [user] classify_and_convert_charseq_([=], _1762898)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_1763850, _1763852), once(user:catch(read_from_chars([=], _1762898), _1763832, fail)), '$restore_trace'(_1763850, _1763852))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_1763850, _1763852))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1763832, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _1717170=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x55772f068e50), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x55772f068e50), =)
^  Call: (182) [user] read_list(')', (0x55772f068e50), _1775978)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _1777836)
   Exit: (184) [system] peek_char((0x55772f068e50), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x55772f068e50), _1787430)
   Exit: (184) [system] get_char((0x55772f068e50), ' ')
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1790134)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _1807068)
   Exit: (183) [system] peek_char((0x55772f068e50), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x55772f068e50), _1812638)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1814496)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] get_char((0x55772f068e50), _1830506)
   Exit: (184) [system] get_char((0x55772f068e50), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x55772f068e50), _1812638)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1836076)
   Exit: (186) [system] peek_char((0x55772f068e50), s)
   Call: (186) [system] s=(;)
   Fail: (186) [system] s=(;)
   Call: (186) [system] s=(/)
   Fail: (186) [system] s=(/)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Fail: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Fail: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Fail: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
   Fail: (187) [system] char_type(s, cntrl)
^  Fail: (186) [user] is_like_space(s)
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1852086)
   Exit: (185) [system] peek_char((0x55772f068e50), s)
   Call: (185) [system] s=')'
   Fail: (185) [system] s=')'
   Call: (185) [system] s=end_of_file
   Fail: (185) [system] s=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x55772f068e50), _1857656)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1859514)
   Exit: (187) [system] peek_char((0x55772f068e50), s)
   Call: (187) [system] s=(;)
   Fail: (187) [system] s=(;)
   Call: (187) [system] s=(/)
   Fail: (187) [system] s=(/)
^  Call: (187) [user] is_like_space(s)
   Call: (188) [system] char_type(s, 'white')
   Fail: (188) [system] char_type(s, 'white')
   Call: (188) [system] char_type(s, end_of_line)
   Fail: (188) [system] char_type(s, end_of_line)
   Call: (188) [system] char_type(s, space)
   Fail: (188) [system] char_type(s, space)
   Call: (188) [system] char_type(s, cntrl)
   Fail: (188) [system] char_type(s, cntrl)
^  Fail: (187) [user] is_like_space(s)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] get_char((0x55772f068e50), _1875524)
   Exit: (186) [system] get_char((0x55772f068e50), s)
   Call: (186) [system] s='('
   Fail: (186) [system] s='('
   Call: (186) [system] s='['
   Fail: (186) [system] s='['
   Call: (186) [system] s='{'
   Fail: (186) [system] s='{'
   Call: (186) [system] s='"'
   Fail: (186) [system] s='"'
   Call: (186) [system] s=!
   Fail: (186) [system] s=!
   Call: (186) [system] s='\''
   Fail: (186) [system] s='\''
   Call: (186) [system] s='`'
   Fail: (186) [system] s='`'
   Call: (186) [system] s=end_of_file
   Fail: (186) [system] s=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x55772f068e50), s, _1857656)
^  Call: (187) [user] read_symbolic_cont(')', (0x55772f068e50), _1893166)
   Call: (188) [system] peek_char((0x55772f068e50), _1894100)
   Exit: (188) [system] peek_char((0x55772f068e50), y)
^  Call: (188) [user] is_delimiter(y)
   Call: (189) [system] char_type(y, space)
   Fail: (189) [system] char_type(y, space)
   Call: (189) [system] arg(_1898820, v('(', ')', end_of_file), y)
   Fail: (189) [system] arg(_1899752, v('(', ')', end_of_file), y)
^  Fail: (188) [user] is_delimiter(y)
   Call: (188) [system] ')'==y
   Fail: (188) [system] ')'==y
   Call: (188) [system] get_char((0x55772f068e50), y)
   Exit: (188) [system] get_char((0x55772f068e50), y)
   Call: (188) [system] y=(\)
   Fail: (188) [system] y=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _1907102)
   Call: (189) [system] peek_char((0x55772f068e50), _1908036)
   Exit: (189) [system] peek_char((0x55772f068e50), n)
^  Call: (189) [user] is_delimiter(n)
   Call: (190) [system] char_type(n, space)
   Fail: (190) [system] char_type(n, space)
   Call: (190) [system] arg(_1912756, v('(', ')', end_of_file), n)
   Fail: (190) [system] arg(_1913688, v('(', ')', end_of_file), n)
^  Fail: (189) [user] is_delimiter(n)
   Call: (189) [system] ')'==n
   Fail: (189) [system] ')'==n
   Call: (189) [system] get_char((0x55772f068e50), n)
   Exit: (189) [system] get_char((0x55772f068e50), n)
   Call: (189) [system] n=(\)
   Fail: (189) [system] n=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _1921038)
   Call: (190) [system] peek_char((0x55772f068e50), _1921972)
   Exit: (190) [system] peek_char((0x55772f068e50), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_1926692, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_1927624, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x55772f068e50), t)
   Exit: (190) [system] get_char((0x55772f068e50), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _1934974)
   Call: (191) [system] peek_char((0x55772f068e50), _1935908)
   Exit: (191) [system] peek_char((0x55772f068e50), h)
^  Call: (191) [user] is_delimiter(h)
   Call: (192) [system] char_type(h, space)
   Fail: (192) [system] char_type(h, space)
   Call: (192) [system] arg(_1940628, v('(', ')', end_of_file), h)
   Fail: (192) [system] arg(_1941560, v('(', ')', end_of_file), h)
^  Fail: (191) [user] is_delimiter(h)
   Call: (191) [system] ')'==h
   Fail: (191) [system] ')'==h
   Call: (191) [system] get_char((0x55772f068e50), h)
   Exit: (191) [system] get_char((0x55772f068e50), h)
   Call: (191) [system] h=(\)
   Fail: (191) [system] h=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _1948910)
   Call: (192) [system] peek_char((0x55772f068e50), _1949844)
   Exit: (192) [system] peek_char((0x55772f068e50), e)
^  Call: (192) [user] is_delimiter(e)
   Call: (193) [system] char_type(e, space)
   Fail: (193) [system] char_type(e, space)
   Call: (193) [system] arg(_1954564, v('(', ')', end_of_file), e)
   Fail: (193) [system] arg(_1955496, v('(', ')', end_of_file), e)
^  Fail: (192) [user] is_delimiter(e)
   Call: (192) [system] ')'==e
   Fail: (192) [system] ')'==e
   Call: (192) [system] get_char((0x55772f068e50), e)
   Exit: (192) [system] get_char((0x55772f068e50), e)
   Call: (192) [system] e=(\)
   Fail: (192) [system] e=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _1962846)
   Call: (193) [system] peek_char((0x55772f068e50), _1963780)
   Exit: (193) [system] peek_char((0x55772f068e50), s)
^  Call: (193) [user] is_delimiter(s)
   Call: (194) [system] char_type(s, space)
   Fail: (194) [system] char_type(s, space)
   Call: (194) [system] arg(_1968500, v('(', ')', end_of_file), s)
   Fail: (194) [system] arg(_1969432, v('(', ')', end_of_file), s)
^  Fail: (193) [user] is_delimiter(s)
   Call: (193) [system] ')'==s
   Fail: (193) [system] ')'==s
   Call: (193) [system] get_char((0x55772f068e50), s)
   Exit: (193) [system] get_char((0x55772f068e50), s)
   Call: (193) [system] s=(\)
   Fail: (193) [system] s=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _1976782)
   Call: (194) [system] peek_char((0x55772f068e50), _1977716)
   Exit: (194) [system] peek_char((0x55772f068e50), i)
^  Call: (194) [user] is_delimiter(i)
   Call: (195) [system] char_type(i, space)
   Fail: (195) [system] char_type(i, space)
   Call: (195) [system] arg(_1982436, v('(', ')', end_of_file), i)
   Fail: (195) [system] arg(_1983368, v('(', ')', end_of_file), i)
^  Fail: (194) [user] is_delimiter(i)
   Call: (194) [system] ')'==i
   Fail: (194) [system] ')'==i
   Call: (194) [system] get_char((0x55772f068e50), i)
   Exit: (194) [system] get_char((0x55772f068e50), i)
   Call: (194) [system] i=(\)
   Fail: (194) [system] i=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _1990718)
   Call: (195) [system] peek_char((0x55772f068e50), _1991652)
   Exit: (195) [system] peek_char((0x55772f068e50), z)
^  Call: (195) [user] is_delimiter(z)
   Call: (196) [system] char_type(z, space)
   Fail: (196) [system] char_type(z, space)
   Call: (196) [system] arg(_1996372, v('(', ')', end_of_file), z)
   Fail: (196) [system] arg(_1997304, v('(', ')', end_of_file), z)
^  Fail: (195) [user] is_delimiter(z)
   Call: (195) [system] ')'==z
   Fail: (195) [system] ')'==z
   Call: (195) [system] get_char((0x55772f068e50), z)
   Exit: (195) [system] get_char((0x55772f068e50), z)
   Call: (195) [system] z=(\)
   Fail: (195) [system] z=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _2004654)
   Call: (196) [system] peek_char((0x55772f068e50), _2005588)
   Exit: (196) [system] peek_char((0x55772f068e50), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Fail: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_2010308, v('(', ')', end_of_file), e)
   Fail: (197) [system] arg(_2011240, v('(', ')', end_of_file), e)
^  Fail: (196) [user] is_delimiter(e)
   Call: (196) [system] ')'==e
   Fail: (196) [system] ')'==e
   Call: (196) [system] get_char((0x55772f068e50), e)
   Exit: (196) [system] get_char((0x55772f068e50), e)
   Call: (196) [system] e=(\)
   Fail: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _2018590)
   Call: (197) [system] peek_char((0x55772f068e50), _2019524)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _2018590=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (196) [system] _2004654=[e]
   Exit: (196) [system] [e]=[e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (195) [system] _1990718=[z, e]
   Exit: (195) [system] [z, e]=[z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [z, e])
   Call: (194) [system] _1976782=[i, z, e]
   Exit: (194) [system] [i, z, e]=[i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [i, z, e])
   Call: (193) [system] _1962846=[s, i, z, e]
   Exit: (193) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [s, i, z, e])
   Call: (192) [system] _1948910=[e, s, i, z, e]
   Exit: (192) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [e, s, i, z, e])
   Call: (191) [system] _1934974=[h, e, s, i, z, e]
   Exit: (191) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [h, e, s, i, z, e])
   Call: (190) [system] _1921038=[t, h, e, s, i, z, e]
   Exit: (190) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [t, h, e, s, i, z, e])
   Call: (189) [system] _1907102=[n, t, h, e, s, i, z, e]
   Exit: (189) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, h, e, s, i, z, e])
   Call: (188) [system] _1893166=[y, n, t, h, e, s, i, z, e]
   Exit: (188) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (187) [user] read_symbolic_cont(')', (0x55772f068e50), [y, n, t, h, e, s, i, z, e])
^  Call: (187) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _1857656)
^  Call: (188) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _2053954)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_2054906, _2054908), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _2053954), _2054888, fail)), '$restore_trace'(_2054906, _2054908))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_2054906, _2054908))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _2054888, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(synthesize)
   Exit: (189) [system] atomic(synthesize)
^  Exit: (188) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (188) [system] integer(synthesize)
   Fail: (188) [system] integer(synthesize)
   Call: (188) [system] _1857656=synthesize
   Exit: (188) [system] synthesize=synthesize
^  Exit: (187) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (186) [user] read_symbolic(')', (0x55772f068e50), s, synthesize)
^  Exit: (185) [user] cont_sexpr(')', (0x55772f068e50), synthesize)
^  Call: (185) [user] read_list(')', (0x55772f068e50), _2067034)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _2068892)
   Exit: (187) [system] peek_char((0x55772f068e50), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x55772f068e50), _2078486)
   Exit: (187) [system] get_char((0x55772f068e50), ' ')
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _2081190)
   Exit: (188) [system] peek_char((0x55772f068e50), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
   Call: (188) [system] ($)=(/)
   Fail: (188) [system] ($)=(/)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _4688)
   Exit: (186) [system] peek_char((0x55772f068e50), $)
   Call: (186) [system] ($)=')'
   Fail: (186) [system] ($)=')'
   Call: (186) [system] ($)=end_of_file
   Fail: (186) [system] ($)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x55772f068e50), _10258)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _12116)
   Exit: (188) [system] peek_char((0x55772f068e50), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
   Call: (188) [system] ($)=(/)
   Fail: (188) [system] ($)=(/)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] get_char((0x55772f068e50), _28126)
   Exit: (187) [system] get_char((0x55772f068e50), $)
   Call: (187) [system] ($)='('
   Fail: (187) [system] ($)='('
   Call: (187) [system] ($)='['
   Fail: (187) [system] ($)='['
   Call: (187) [system] ($)='{'
   Fail: (187) [system] ($)='{'
   Call: (187) [system] ($)='"'
   Fail: (187) [system] ($)='"'
   Call: (187) [system] ($)=!
   Fail: (187) [system] ($)=!
   Call: (187) [system] ($)='\''
   Fail: (187) [system] ($)='\''
   Call: (187) [system] ($)='`'
   Fail: (187) [system] ($)='`'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x55772f068e50), $, _10258)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _45768)
   Call: (189) [system] peek_char((0x55772f068e50), _46702)
   Exit: (189) [system] peek_char((0x55772f068e50), q)
^  Call: (189) [user] is_delimiter(q)
   Call: (190) [system] char_type(q, space)
   Fail: (190) [system] char_type(q, space)
   Call: (190) [system] arg(_51422, v('(', ')', end_of_file), q)
   Fail: (190) [system] arg(_52354, v('(', ')', end_of_file), q)
^  Fail: (189) [user] is_delimiter(q)
   Call: (189) [system] ')'==q
   Fail: (189) [system] ')'==q
   Call: (189) [system] get_char((0x55772f068e50), q)
   Exit: (189) [system] get_char((0x55772f068e50), q)
   Call: (189) [system] q=(\)
   Fail: (189) [system] q=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _59704)
   Call: (190) [system] peek_char((0x55772f068e50), _60638)
   Exit: (190) [system] peek_char((0x55772f068e50), u)
^  Call: (190) [user] is_delimiter(u)
   Call: (191) [system] char_type(u, space)
   Fail: (191) [system] char_type(u, space)
   Call: (191) [system] arg(_65358, v('(', ')', end_of_file), u)
   Fail: (191) [system] arg(_66290, v('(', ')', end_of_file), u)
^  Fail: (190) [user] is_delimiter(u)
   Call: (190) [system] ')'==u
   Fail: (190) [system] ')'==u
   Call: (190) [system] get_char((0x55772f068e50), u)
   Exit: (190) [system] get_char((0x55772f068e50), u)
   Call: (190) [system] u=(\)
   Fail: (190) [system] u=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _73640)
   Call: (191) [system] peek_char((0x55772f068e50), _74574)
   Exit: (191) [system] peek_char((0x55772f068e50), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Fail: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_79294, v('(', ')', end_of_file), e)
   Fail: (192) [system] arg(_80226, v('(', ')', end_of_file), e)
^  Fail: (191) [user] is_delimiter(e)
   Call: (191) [system] ')'==e
   Fail: (191) [system] ')'==e
   Call: (191) [system] get_char((0x55772f068e50), e)
   Exit: (191) [system] get_char((0x55772f068e50), e)
   Call: (191) [system] e=(\)
   Fail: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _87576)
   Call: (192) [system] peek_char((0x55772f068e50), _88510)
   Exit: (192) [system] peek_char((0x55772f068e50), r)
^  Call: (192) [user] is_delimiter(r)
   Call: (193) [system] char_type(r, space)
   Fail: (193) [system] char_type(r, space)
   Call: (193) [system] arg(_93230, v('(', ')', end_of_file), r)
   Fail: (193) [system] arg(_94162, v('(', ')', end_of_file), r)
^  Fail: (192) [user] is_delimiter(r)
   Call: (192) [system] ')'==r
   Fail: (192) [system] ')'==r
   Call: (192) [system] get_char((0x55772f068e50), r)
   Exit: (192) [system] get_char((0x55772f068e50), r)
   Call: (192) [system] r=(\)
   Fail: (192) [system] r=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _101512)
   Call: (193) [system] peek_char((0x55772f068e50), _102446)
   Exit: (193) [system] peek_char((0x55772f068e50), y)
^  Call: (193) [user] is_delimiter(y)
   Call: (194) [system] char_type(y, space)
   Fail: (194) [system] char_type(y, space)
   Call: (194) [system] arg(_107166, v('(', ')', end_of_file), y)
   Fail: (194) [system] arg(_108098, v('(', ')', end_of_file), y)
^  Fail: (193) [user] is_delimiter(y)
   Call: (193) [system] ')'==y
   Fail: (193) [system] ')'==y
   Call: (193) [system] get_char((0x55772f068e50), y)
   Exit: (193) [system] get_char((0x55772f068e50), y)
   Call: (193) [system] y=(\)
   Fail: (193) [system] y=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _115448)
   Call: (194) [system] peek_char((0x55772f068e50), _116382)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _115448=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (193) [system] _101512=[y]
   Exit: (193) [system] [y]=[y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [y])
   Call: (192) [system] _87576=[r, y]
   Exit: (192) [system] [r, y]=[r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [r, y])
   Call: (191) [system] _73640=[e, r, y]
   Exit: (191) [system] [e, r, y]=[e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [e, r, y])
   Call: (190) [system] _59704=[u, e, r, y]
   Exit: (190) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [u, e, r, y])
   Call: (189) [system] _45768=[q, u, e, r, y]
   Exit: (189) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [q, u, e, r, y])
^  Call: (188) [user] classify_and_convert_charseq([$, q, u, e, r, y], _10258)
^  Call: (189) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _139636)
   Call: (190) [system] atom_chars(_140568, ['_', q, u, e, r, y])
   Exit: (190) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (189) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (189) [system] integer(_query)
   Fail: (189) [system] integer(_query)
   Call: (189) [system] _10258=_query
   Exit: (189) [system] _query=_query
^  Exit: (188) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (187) [user] read_symbolic(')', (0x55772f068e50), $, _query)
^  Exit: (186) [user] cont_sexpr(')', (0x55772f068e50), _query)
^  Call: (186) [user] read_list(')', (0x55772f068e50), _149860)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _151718)
   Exit: (188) [system] peek_char((0x55772f068e50), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x55772f068e50), _161312)
   Exit: (188) [system] get_char((0x55772f068e50), ' ')
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _164016)
   Exit: (189) [system] peek_char((0x55772f068e50), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _180950)
   Exit: (187) [system] peek_char((0x55772f068e50), $)
   Call: (187) [system] ($)=')'
   Fail: (187) [system] ($)=')'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x55772f068e50), _186520)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _188378)
   Exit: (189) [system] peek_char((0x55772f068e50), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] get_char((0x55772f068e50), _204388)
   Exit: (188) [system] get_char((0x55772f068e50), $)
   Call: (188) [system] ($)='('
   Fail: (188) [system] ($)='('
   Call: (188) [system] ($)='['
   Fail: (188) [system] ($)='['
   Call: (188) [system] ($)='{'
   Fail: (188) [system] ($)='{'
   Call: (188) [system] ($)='"'
   Fail: (188) [system] ($)='"'
   Call: (188) [system] ($)=!
   Fail: (188) [system] ($)=!
   Call: (188) [system] ($)='\''
   Fail: (188) [system] ($)='\''
   Call: (188) [system] ($)='`'
   Fail: (188) [system] ($)='`'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x55772f068e50), $, _186520)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _222030)
   Call: (190) [system] peek_char((0x55772f068e50), _222964)
   Exit: (190) [system] peek_char((0x55772f068e50), k)
^  Call: (190) [user] is_delimiter(k)
   Call: (191) [system] char_type(k, space)
   Fail: (191) [system] char_type(k, space)
   Call: (191) [system] arg(_227684, v('(', ')', end_of_file), k)
   Fail: (191) [system] arg(_228616, v('(', ')', end_of_file), k)
^  Fail: (190) [user] is_delimiter(k)
   Call: (190) [system] ')'==k
   Fail: (190) [system] ')'==k
   Call: (190) [system] get_char((0x55772f068e50), k)
   Exit: (190) [system] get_char((0x55772f068e50), k)
   Call: (190) [system] k=(\)
   Fail: (190) [system] k=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _235966)
   Call: (191) [system] peek_char((0x55772f068e50), _236900)
   Exit: (191) [system] peek_char((0x55772f068e50), b)
^  Call: (191) [user] is_delimiter(b)
   Call: (192) [system] char_type(b, space)
   Fail: (192) [system] char_type(b, space)
   Call: (192) [system] arg(_241620, v('(', ')', end_of_file), b)
   Fail: (192) [system] arg(_242552, v('(', ')', end_of_file), b)
^  Fail: (191) [user] is_delimiter(b)
   Call: (191) [system] ')'==b
   Fail: (191) [system] ')'==b
   Call: (191) [system] get_char((0x55772f068e50), b)
   Exit: (191) [system] get_char((0x55772f068e50), b)
   Call: (191) [system] b=(\)
   Fail: (191) [system] b=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _249902)
   Call: (192) [system] peek_char((0x55772f068e50), _250836)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _249902=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (191) [system] _235966=[b]
   Exit: (191) [system] [b]=[b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (190) [system] _222030=[k, b]
   Exit: (190) [system] [k, b]=[k, b]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [k, b])
^  Call: (189) [user] classify_and_convert_charseq([$, k, b], _186520)
^  Call: (190) [user] classify_and_convert_charseq_([$, k, b], _265708)
   Call: (191) [system] atom_chars(_266640, ['_', k, b])
   Exit: (191) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (190) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (190) [system] integer(_kb)
   Fail: (190) [system] integer(_kb)
   Call: (190) [system] _186520=_kb
   Exit: (190) [system] _kb=_kb
^  Exit: (189) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (188) [user] read_symbolic(')', (0x55772f068e50), $, _kb)
^  Exit: (187) [user] cont_sexpr(')', (0x55772f068e50), _kb)
^  Call: (187) [user] read_list(')', (0x55772f068e50), _275932)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _277790)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x55772f068e50), _287384)
   Exit: (189) [system] get_char((0x55772f068e50), ' ')
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _290088)
   Exit: (190) [system] peek_char((0x55772f068e50), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _307022)
   Exit: (188) [system] peek_char((0x55772f068e50), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x55772f068e50), _312592)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _314450)
   Exit: (190) [system] peek_char((0x55772f068e50), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] get_char((0x55772f068e50), _330460)
   Exit: (189) [system] get_char((0x55772f068e50), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x55772f068e50), $, _312592)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _348102)
   Call: (191) [system] peek_char((0x55772f068e50), _349036)
   Exit: (191) [system] peek_char((0x55772f068e50), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_353756, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_354688, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x55772f068e50), r)
   Exit: (191) [system] get_char((0x55772f068e50), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _362038)
   Call: (192) [system] peek_char((0x55772f068e50), _362972)
   Exit: (192) [system] peek_char((0x55772f068e50), b)
^  Call: (192) [user] is_delimiter(b)
   Call: (193) [system] char_type(b, space)
   Fail: (193) [system] char_type(b, space)
   Call: (193) [system] arg(_367692, v('(', ')', end_of_file), b)
   Fail: (193) [system] arg(_368624, v('(', ')', end_of_file), b)
^  Fail: (192) [user] is_delimiter(b)
   Call: (192) [system] ')'==b
   Fail: (192) [system] ')'==b
   Call: (192) [system] get_char((0x55772f068e50), b)
   Exit: (192) [system] get_char((0x55772f068e50), b)
   Call: (192) [system] b=(\)
   Fail: (192) [system] b=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _375974)
   Call: (193) [system] peek_char((0x55772f068e50), _376908)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
^  Call: (193) [user] is_delimiter(' ')
   Call: (194) [system] char_type(' ', space)
   Exit: (194) [system] char_type(' ', space)
^  Exit: (193) [user] is_delimiter(' ')
   Call: (193) [system] _375974=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (192) [system] _362038=[b]
   Exit: (192) [system] [b]=[b]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (191) [system] _348102=[r, b]
   Exit: (191) [system] [r, b]=[r, b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [r, b])
^  Call: (190) [user] classify_and_convert_charseq([$, r, b], _312592)
^  Call: (191) [user] classify_and_convert_charseq_([$, r, b], _391780)
   Call: (192) [system] atom_chars(_392712, ['_', r, b])
   Exit: (192) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (191) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (191) [system] integer(_rb)
   Fail: (191) [system] integer(_rb)
   Call: (191) [system] _312592=_rb
   Exit: (191) [system] _rb=_rb
^  Exit: (190) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (189) [user] read_symbolic(')', (0x55772f068e50), $, _rb)
^  Exit: (188) [user] cont_sexpr(')', (0x55772f068e50), _rb)
^  Call: (188) [user] read_list(')', (0x55772f068e50), _402004)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _403862)
   Exit: (190) [system] peek_char((0x55772f068e50), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x55772f068e50), _413456)
   Exit: (190) [system] get_char((0x55772f068e50), ' ')
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _416160)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _433094)
   Exit: (189) [system] peek_char((0x55772f068e50), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x55772f068e50), _438664)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _440522)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] get_char((0x55772f068e50), _456532)
   Exit: (190) [system] get_char((0x55772f068e50), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x55772f068e50), _438664)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _462102)
   Exit: (192) [system] peek_char((0x55772f068e50), 'S')
   Call: (192) [system] 'S'=(;)
   Fail: (192) [system] 'S'=(;)
   Call: (192) [system] 'S'=(/)
   Fail: (192) [system] 'S'=(/)
^  Call: (192) [user] is_like_space('S')
   Call: (193) [system] char_type('S', 'white')
   Fail: (193) [system] char_type('S', 'white')
   Call: (193) [system] char_type('S', end_of_line)
   Fail: (193) [system] char_type('S', end_of_line)
   Call: (193) [system] char_type('S', space)
   Fail: (193) [system] char_type('S', space)
   Call: (193) [system] char_type('S', cntrl)
   Fail: (193) [system] char_type('S', cntrl)
^  Fail: (192) [user] is_like_space('S')
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _478112)
   Exit: (191) [system] peek_char((0x55772f068e50), 'S')
   Call: (191) [system] 'S'=')'
   Fail: (191) [system] 'S'=')'
   Call: (191) [system] 'S'=end_of_file
   Fail: (191) [system] 'S'=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x55772f068e50), _483682)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _485540)
   Exit: (193) [system] peek_char((0x55772f068e50), 'S')
   Call: (193) [system] 'S'=(;)
   Fail: (193) [system] 'S'=(;)
   Call: (193) [system] 'S'=(/)
   Fail: (193) [system] 'S'=(/)
^  Call: (193) [user] is_like_space('S')
   Call: (194) [system] char_type('S', 'white')
   Fail: (194) [system] char_type('S', 'white')
   Call: (194) [system] char_type('S', end_of_line)
   Fail: (194) [system] char_type('S', end_of_line)
   Call: (194) [system] char_type('S', space)
   Fail: (194) [system] char_type('S', space)
   Call: (194) [system] char_type('S', cntrl)
   Fail: (194) [system] char_type('S', cntrl)
^  Fail: (193) [user] is_like_space('S')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] get_char((0x55772f068e50), _501550)
   Exit: (192) [system] get_char((0x55772f068e50), 'S')
   Call: (192) [system] 'S'='('
   Fail: (192) [system] 'S'='('
   Call: (192) [system] 'S'='['
   Fail: (192) [system] 'S'='['
   Call: (192) [system] 'S'='{'
   Fail: (192) [system] 'S'='{'
   Call: (192) [system] 'S'='"'
   Fail: (192) [system] 'S'='"'
   Call: (192) [system] 'S'=!
   Fail: (192) [system] 'S'=!
   Call: (192) [system] 'S'='\''
   Fail: (192) [system] 'S'='\''
   Call: (192) [system] 'S'='`'
   Fail: (192) [system] 'S'='`'
   Call: (192) [system] 'S'=end_of_file
   Fail: (192) [system] 'S'=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x55772f068e50), 'S', _483682)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _519192)
   Call: (194) [system] peek_char((0x55772f068e50), _520126)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _519192=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (193) [user] classify_and_convert_charseq(['S'], _483682)
^  Call: (194) [user] classify_and_convert_charseq_(['S'], _529410)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_530362, _530364), once(user:catch(read_from_chars(['S'], _529410), _530344, fail)), '$restore_trace'(_530362, _530364))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_530362, _530364))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _529410), _530344, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(_529410)
   Fail: (195) [system] atomic(_529410)
   Call: (195) [system] atom_chars(_529410, ['S'])
   Exit: (195) [system] atom_chars('S', ['S'])
^  Exit: (194) [user] classify_and_convert_charseq_(['S'], 'S')
   Call: (194) [system] integer('S')
   Fail: (194) [system] integer('S')
   Call: (194) [system] _483682='S'
   Exit: (194) [system] 'S'='S'
^  Exit: (193) [user] classify_and_convert_charseq(['S'], 'S')
^  Exit: (192) [user] read_symbolic(')', (0x55772f068e50), 'S', 'S')
^  Exit: (191) [user] cont_sexpr(')', (0x55772f068e50), 'S')
^  Call: (191) [user] read_list(')', (0x55772f068e50), _544360)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _546218)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _555812)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _558516)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _575450)
   Exit: (192) [system] peek_char((0x55772f068e50), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _581020)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _582878)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _598888)
   Exit: (193) [system] get_char((0x55772f068e50), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x55772f068e50), $, _581020)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _616530)
   Call: (195) [system] peek_char((0x55772f068e50), _617464)
   Exit: (195) [system] peek_char((0x55772f068e50), k)
^  Call: (195) [user] is_delimiter(k)
   Call: (196) [system] char_type(k, space)
   Fail: (196) [system] char_type(k, space)
   Call: (196) [system] arg(_622184, v('(', ')', end_of_file), k)
   Fail: (196) [system] arg(_623116, v('(', ')', end_of_file), k)
^  Fail: (195) [user] is_delimiter(k)
   Call: (195) [system] ')'==k
   Fail: (195) [system] ')'==k
   Call: (195) [system] get_char((0x55772f068e50), k)
   Exit: (195) [system] get_char((0x55772f068e50), k)
   Call: (195) [system] k=(\)
   Fail: (195) [system] k=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _630466)
   Call: (196) [system] peek_char((0x55772f068e50), _631400)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_636120, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _630466=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (195) [system] _616530=[k]
   Exit: (195) [system] [k]=[k]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
^  Call: (194) [user] classify_and_convert_charseq([$, k], _581020)
^  Call: (195) [user] classify_and_convert_charseq_([$, k], _645350)
   Call: (196) [system] atom_chars(_646282, ['_', k])
   Exit: (196) [system] atom_chars('_k', ['_', k])
^  Exit: (195) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (195) [system] integer(_k)
   Fail: (195) [system] integer(_k)
   Call: (195) [system] _581020=_k
   Exit: (195) [system] _k=_k
^  Exit: (194) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (193) [user] read_symbolic(')', (0x55772f068e50), $, _k)
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), _k)
^  Call: (192) [user] read_list(')', (0x55772f068e50), _655574)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _657432)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _673442)
   Exit: (193) [system] peek_char((0x55772f068e50), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x55772f068e50), _677232)
   Exit: (193) [system] get_char((0x55772f068e50), ')')
   Call: (193) [system] _655574=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [])
   Call: (192) [system] _544360=[_k]
   Exit: (192) [system] [_k]=[_k]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [_k])
   Call: (191) [system] _438664=['S', _k]
   Exit: (191) [system] ['S', _k]=['S', _k]
^  Exit: (190) [user] read_list(')', (0x55772f068e50), ['S', _k])
^  Exit: (189) [user] cont_sexpr(')', (0x55772f068e50), ['S', _k])
^  Call: (189) [user] read_list(')', (0x55772f068e50), _688320)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _690178)
   Exit: (191) [system] peek_char((0x55772f068e50), ')')
   Call: (191) [system] ')'=(;)
   Fail: (191) [system] ')'=(;)
   Call: (191) [system] ')'=(/)
   Fail: (191) [system] ')'=(/)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Fail: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Fail: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
   Fail: (192) [system] char_type(')', cntrl)
^  Fail: (191) [user] is_like_space(')')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _706188)
   Exit: (190) [system] peek_char((0x55772f068e50), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x55772f068e50), _709978)
   Exit: (190) [system] get_char((0x55772f068e50), ')')
   Call: (190) [system] _688320=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x55772f068e50), [])
   Call: (189) [system] _402004=[['S', _k]]
   Exit: (189) [system] [['S', _k]]=[['S', _k]]
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [['S', _k]])
   Call: (188) [system] _275932=[_rb, ['S', _k]]
   Exit: (188) [system] [_rb, ['S', _k]]=[_rb, ['S', _k]]
^  Exit: (187) [user] read_list(')', (0x55772f068e50), [_rb, ['S', _k]])
   Call: (187) [system] _149860=[_kb, _rb, ['S', _k]]
   Exit: (187) [system] [_kb, _rb, ['S', _k]]=[_kb, _rb, ['S', _k]]
^  Exit: (186) [user] read_list(')', (0x55772f068e50), [_kb, _rb, ['S', _k]])
   Call: (186) [system] _3368=[_query, _kb, _rb, ['S', _k]]
   Exit: (186) [system] [_query, _kb, _rb, ['S', _k]]=[_query, _kb, _rb, ['S', _k]]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [_query, _kb, _rb, ['S', _k]])
   Call: (185) [system] _3360=[synthesize, _query, _kb, _rb, ['S', _k]]
   Exit: (185) [system] [synthesize, _query, _kb, _rb, ['S', _k]]=[synthesize, _query, _kb, _rb, ['S', _k]]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Exit: (183) [user] cont_sexpr(')', (0x55772f068e50), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (183) [user] read_list(')', (0x55772f068e50), _729448)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _731306)
   Exit: (185) [system] peek_char((0x55772f068e50), '\n')
   Call: (185) [system] '\n'=(;)
   Fail: (185) [system] '\n'=(;)
   Call: (185) [system] '\n'=(/)
   Fail: (185) [system] '\n'=(/)
^  Call: (185) [user] is_like_space('\n')
   Call: (186) [system] char_type('\n', 'white')
   Fail: (186) [system] char_type('\n', 'white')
   Call: (186) [system] char_type('\n', end_of_line)
   Exit: (186) [system] char_type('\n', end_of_line)
^  Exit: (185) [user] is_like_space('\n')
   Call: (185) [system] get_char((0x55772f068e50), _742756)
   Exit: (185) [system] get_char((0x55772f068e50), '\n')
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _745460)
   Exit: (186) [system] peek_char((0x55772f068e50), ' ')
   Call: (186) [system] ' '=(;)
   Fail: (186) [system] ' '=(;)
   Call: (186) [system] ' '=(/)
   Fail: (186) [system] ' '=(/)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x55772f068e50), _755054)
   Exit: (186) [system] get_char((0x55772f068e50), ' ')
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _757758)
   Exit: (187) [system] peek_char((0x55772f068e50), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x55772f068e50), _767352)
   Exit: (187) [system] get_char((0x55772f068e50), ' ')
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _770056)
   Exit: (188) [system] peek_char((0x55772f068e50), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x55772f068e50), _779650)
   Exit: (188) [system] get_char((0x55772f068e50), ' ')
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _782354)
   Exit: (189) [system] peek_char((0x55772f068e50), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _802060)
   Exit: (184) [system] peek_char((0x55772f068e50), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x55772f068e50), _807630)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _809488)
   Exit: (186) [system] peek_char((0x55772f068e50), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] get_char((0x55772f068e50), _825498)
   Exit: (185) [system] get_char((0x55772f068e50), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x55772f068e50), _807630)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _831068)
   Exit: (187) [system] peek_char((0x55772f068e50), l)
   Call: (187) [system] l=(;)
   Fail: (187) [system] l=(;)
   Call: (187) [system] l=(/)
   Fail: (187) [system] l=(/)
^  Call: (187) [user] is_like_space(l)
   Call: (188) [system] char_type(l, 'white')
   Fail: (188) [system] char_type(l, 'white')
   Call: (188) [system] char_type(l, end_of_line)
   Fail: (188) [system] char_type(l, end_of_line)
   Call: (188) [system] char_type(l, space)
   Fail: (188) [system] char_type(l, space)
   Call: (188) [system] char_type(l, cntrl)
   Fail: (188) [system] char_type(l, cntrl)
^  Fail: (187) [user] is_like_space(l)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _847078)
   Exit: (186) [system] peek_char((0x55772f068e50), l)
   Call: (186) [system] l=')'
   Fail: (186) [system] l=')'
   Call: (186) [system] l=end_of_file
   Fail: (186) [system] l=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x55772f068e50), _852648)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _854506)
   Exit: (188) [system] peek_char((0x55772f068e50), l)
   Call: (188) [system] l=(;)
   Fail: (188) [system] l=(;)
   Call: (188) [system] l=(/)
   Fail: (188) [system] l=(/)
^  Call: (188) [user] is_like_space(l)
   Call: (189) [system] char_type(l, 'white')
   Fail: (189) [system] char_type(l, 'white')
   Call: (189) [system] char_type(l, end_of_line)
   Fail: (189) [system] char_type(l, end_of_line)
   Call: (189) [system] char_type(l, space)
   Fail: (189) [system] char_type(l, space)
   Call: (189) [system] char_type(l, cntrl)
   Fail: (189) [system] char_type(l, cntrl)
^  Fail: (188) [user] is_like_space(l)
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] get_char((0x55772f068e50), _870516)
   Exit: (187) [system] get_char((0x55772f068e50), l)
   Call: (187) [system] l='('
   Fail: (187) [system] l='('
   Call: (187) [system] l='['
   Fail: (187) [system] l='['
   Call: (187) [system] l='{'
   Fail: (187) [system] l='{'
   Call: (187) [system] l='"'
   Fail: (187) [system] l='"'
   Call: (187) [system] l=!
   Fail: (187) [system] l=!
   Call: (187) [system] l='\''
   Fail: (187) [system] l='\''
   Call: (187) [system] l='`'
   Fail: (187) [system] l='`'
   Call: (187) [system] l=end_of_file
   Fail: (187) [system] l=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x55772f068e50), l, _852648)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _888158)
   Call: (189) [system] peek_char((0x55772f068e50), _889092)
   Exit: (189) [system] peek_char((0x55772f068e50), e)
^  Call: (189) [user] is_delimiter(e)
   Call: (190) [system] char_type(e, space)
   Fail: (190) [system] char_type(e, space)
   Call: (190) [system] arg(_893812, v('(', ')', end_of_file), e)
   Fail: (190) [system] arg(_894744, v('(', ')', end_of_file), e)
^  Fail: (189) [user] is_delimiter(e)
   Call: (189) [system] ')'==e
   Fail: (189) [system] ')'==e
   Call: (189) [system] get_char((0x55772f068e50), e)
   Exit: (189) [system] get_char((0x55772f068e50), e)
   Call: (189) [system] e=(\)
   Fail: (189) [system] e=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _902094)
   Call: (190) [system] peek_char((0x55772f068e50), _903028)
   Exit: (190) [system] peek_char((0x55772f068e50), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_907748, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_908680, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x55772f068e50), t)
   Exit: (190) [system] get_char((0x55772f068e50), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _916030)
   Call: (191) [system] peek_char((0x55772f068e50), _916964)
   Exit: (191) [system] peek_char((0x55772f068e50), *)
^  Call: (191) [user] is_delimiter(*)
   Call: (192) [system] char_type(*, space)
   Fail: (192) [system] char_type(*, space)
   Call: (192) [system] arg(_921684, v('(', ')', end_of_file), *)
   Fail: (192) [system] arg(_922616, v('(', ')', end_of_file), *)
^  Fail: (191) [user] is_delimiter(*)
   Call: (191) [system] ')'==(*)
   Fail: (191) [system] ')'==(*)
   Call: (191) [system] get_char((0x55772f068e50), *)
   Exit: (191) [system] get_char((0x55772f068e50), *)
   Call: (191) [system] (*)=(\)
   Fail: (191) [system] (*)=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _929966)
   Call: (192) [system] peek_char((0x55772f068e50), _930900)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _929966=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (191) [system] _916030=[*]
   Exit: (191) [system] [*]=[*]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [*])
   Call: (190) [system] _902094=[t, *]
   Exit: (190) [system] [t, *]=[t, *]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [t, *])
   Call: (189) [system] _888158=[e, t, *]
   Exit: (189) [system] [e, t, *]=[e, t, *]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [e, t, *])
^  Call: (188) [user] classify_and_convert_charseq([l, e, t, *], _852648)
^  Call: (189) [user] classify_and_convert_charseq_([l, e, t, *], _948566)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_949518, _949520), once(user:catch(read_from_chars([l, e, t, *], _948566), _949500, fail)), '$restore_trace'(_949518, _949520))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_949518, _949520))
   Call: (190) [system] atom_chars(_3460, [l, e, t, *])
   Exit: (190) [system] atom_chars('let*', [l, e, t, *])
^  Exit: (189) [user] classify_and_convert_charseq_([l, e, t, *], 'let*')
   Call: (189) [system] integer('let*')
   Fail: (189) [system] integer('let*')
   Call: (189) [system] _3430='let*'
   Exit: (189) [system] 'let*'='let*'
^  Exit: (188) [user] classify_and_convert_charseq([l, e, t, *], 'let*')
^  Exit: (187) [user] read_symbolic(')', (0x55772f068e50), l, 'let*')
^  Exit: (186) [user] cont_sexpr(')', (0x55772f068e50), 'let*')
^  Call: (186) [user] read_list(')', (0x55772f068e50), _12826)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _14684)
   Exit: (188) [system] peek_char((0x55772f068e50), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x55772f068e50), _24278)
   Exit: (188) [system] get_char((0x55772f068e50), ' ')
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _26982)
   Exit: (189) [system] peek_char((0x55772f068e50), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _43916)
   Exit: (187) [system] peek_char((0x55772f068e50), '(')
   Call: (187) [system] '('=')'
   Fail: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
   Fail: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x55772f068e50), _49486)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _51344)
   Exit: (189) [system] peek_char((0x55772f068e50), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] get_char((0x55772f068e50), _67354)
   Exit: (188) [system] get_char((0x55772f068e50), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x55772f068e50), _49486)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _72924)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _88934)
   Exit: (189) [system] peek_char((0x55772f068e50), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x55772f068e50), _94504)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _96362)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] get_char((0x55772f068e50), _112372)
   Exit: (190) [system] get_char((0x55772f068e50), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x55772f068e50), _94504)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _117942)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _133952)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x55772f068e50), _139522)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _141380)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] get_char((0x55772f068e50), _157390)
   Exit: (192) [system] get_char((0x55772f068e50), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x55772f068e50), _139522)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _162960)
   Exit: (194) [system] peek_char((0x55772f068e50), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _178970)
   Exit: (193) [system] peek_char((0x55772f068e50), :)
   Call: (193) [system] (:)=')'
   Fail: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _184540)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _186398)
   Exit: (195) [system] peek_char((0x55772f068e50), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _202408)
   Exit: (194) [system] get_char((0x55772f068e50), :)
   Call: (194) [system] (:)='('
   Fail: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Fail: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Fail: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Fail: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Fail: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Fail: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Fail: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x55772f068e50), :, _184540)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _220050)
   Call: (196) [system] peek_char((0x55772f068e50), _220984)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _220050=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (195) [user] classify_and_convert_charseq([:], _184540)
^  Call: (196) [user] classify_and_convert_charseq_([:], _230268)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_231220, _231222), once(user:catch(read_from_chars([:], _230268), _231202, fail)), '$restore_trace'(_231220, _231222))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_231220, _231222))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _231202, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq_([:], :)
   Call: (196) [system] integer(:)
   Fail: (196) [system] integer(:)
   Call: (196) [system] _184540=(:)
   Exit: (196) [system] (:)=(:)
^  Exit: (195) [user] classify_and_convert_charseq([:], :)
^  Exit: (194) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (193) [user] read_list(')', (0x55772f068e50), _243348)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _245206)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _254800)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _257504)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _274438)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _280008)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _281866)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _297876)
   Exit: (195) [system] get_char((0x55772f068e50), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x55772f068e50), $, _280008)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _315518)
   Call: (197) [system] peek_char((0x55772f068e50), _316452)
   Exit: (197) [system] peek_char((0x55772f068e50), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_321172, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_322104, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x55772f068e50), r)
   Exit: (197) [system] get_char((0x55772f068e50), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _329454)
   Call: (198) [system] peek_char((0x55772f068e50), _330388)
   Exit: (198) [system] peek_char((0x55772f068e50), u)
^  Call: (198) [user] is_delimiter(u)
   Call: (199) [system] char_type(u, space)
   Fail: (199) [system] char_type(u, space)
   Call: (199) [system] arg(_335108, v('(', ')', end_of_file), u)
   Fail: (199) [system] arg(_336040, v('(', ')', end_of_file), u)
^  Fail: (198) [user] is_delimiter(u)
   Call: (198) [system] ')'==u
   Fail: (198) [system] ')'==u
   Call: (198) [system] get_char((0x55772f068e50), u)
   Exit: (198) [system] get_char((0x55772f068e50), u)
   Call: (198) [system] u=(\)
   Fail: (198) [system] u=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _343390)
   Call: (199) [system] peek_char((0x55772f068e50), _344324)
   Exit: (199) [system] peek_char((0x55772f068e50), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_349044, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_349976, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x55772f068e50), c)
   Exit: (199) [system] get_char((0x55772f068e50), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _357326)
   Call: (200) [system] peek_char((0x55772f068e50), _358260)
   Exit: (200) [system] peek_char((0x55772f068e50), t)
^  Call: (200) [user] is_delimiter(t)
   Call: (201) [system] char_type(t, space)
   Fail: (201) [system] char_type(t, space)
   Call: (201) [system] arg(_362980, v('(', ')', end_of_file), t)
   Fail: (201) [system] arg(_363912, v('(', ')', end_of_file), t)
^  Fail: (200) [user] is_delimiter(t)
   Call: (200) [system] ')'==t
   Fail: (200) [system] ')'==t
   Call: (200) [system] get_char((0x55772f068e50), t)
   Exit: (200) [system] get_char((0x55772f068e50), t)
   Call: (200) [system] t=(\)
   Fail: (200) [system] t=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _371262)
   Call: (201) [system] peek_char((0x55772f068e50), _372196)
   Exit: (201) [system] peek_char((0x55772f068e50), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_376916, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_377848, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x55772f068e50), o)
   Exit: (201) [system] get_char((0x55772f068e50), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _385198)
   Call: (202) [system] peek_char((0x55772f068e50), _386132)
   Exit: (202) [system] peek_char((0x55772f068e50), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_390852, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_391784, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x55772f068e50), r)
   Exit: (202) [system] get_char((0x55772f068e50), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _399134)
   Call: (203) [system] peek_char((0x55772f068e50), _400068)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _399134=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (202) [system] _385198=[r]
   Exit: (202) [system] [r]=[r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [r])
   Call: (201) [system] _371262=[o, r]
   Exit: (201) [system] [o, r]=[o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [o, r])
   Call: (200) [system] _357326=[t, o, r]
   Exit: (200) [system] [t, o, r]=[t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [t, o, r])
   Call: (199) [system] _343390=[c, t, o, r]
   Exit: (199) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, o, r])
   Call: (198) [system] _329454=[u, c, t, o, r]
   Exit: (198) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, o, r])
   Call: (197) [system] _315518=[r, u, c, t, o, r]
   Exit: (197) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [r, u, c, t, o, r])
^  Call: (196) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _280008)
^  Call: (197) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _426116)
   Call: (198) [system] atom_chars(_427048, ['_', r, u, c, t, o, r])
   Exit: (198) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (197) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _ructor)
   Call: (197) [system] integer(_ructor)
   Fail: (197) [system] integer(_ructor)
   Call: (197) [system] _280008=_ructor
   Exit: (197) [system] _ructor=_ructor
^  Exit: (196) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _ructor)
^  Exit: (195) [user] read_symbolic(')', (0x55772f068e50), $, _ructor)
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), _ructor)
^  Call: (194) [user] read_list(')', (0x55772f068e50), _436340)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _438198)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _447792)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _450496)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _467430)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _473000)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _474858)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _490868)
   Exit: (196) [system] get_char((0x55772f068e50), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x55772f068e50), _473000)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _496438)
   Exit: (198) [system] peek_char((0x55772f068e50), -)
   Call: (198) [system] (-)=(;)
   Fail: (198) [system] (-)=(;)
   Call: (198) [system] (-)=(/)
   Fail: (198) [system] (-)=(/)
^  Call: (198) [user] is_like_space(-)
   Call: (199) [system] char_type(-, 'white')
   Fail: (199) [system] char_type(-, 'white')
   Call: (199) [system] char_type(-, end_of_line)
   Fail: (199) [system] char_type(-, end_of_line)
   Call: (199) [system] char_type(-, space)
   Fail: (199) [system] char_type(-, space)
   Call: (199) [system] char_type(-, cntrl)
   Fail: (199) [system] char_type(-, cntrl)
^  Fail: (198) [user] is_like_space(-)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _512448)
   Exit: (197) [system] peek_char((0x55772f068e50), -)
   Call: (197) [system] (-)=')'
   Fail: (197) [system] (-)=')'
   Call: (197) [system] (-)=end_of_file
   Fail: (197) [system] (-)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _518018)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _519876)
   Exit: (199) [system] peek_char((0x55772f068e50), -)
   Call: (199) [system] (-)=(;)
   Fail: (199) [system] (-)=(;)
   Call: (199) [system] (-)=(/)
   Fail: (199) [system] (-)=(/)
^  Call: (199) [user] is_like_space(-)
   Call: (200) [system] char_type(-, 'white')
   Fail: (200) [system] char_type(-, 'white')
   Call: (200) [system] char_type(-, end_of_line)
   Fail: (200) [system] char_type(-, end_of_line)
   Call: (200) [system] char_type(-, space)
   Fail: (200) [system] char_type(-, space)
   Call: (200) [system] char_type(-, cntrl)
   Fail: (200) [system] char_type(-, cntrl)
^  Fail: (199) [user] is_like_space(-)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _535886)
   Exit: (198) [system] get_char((0x55772f068e50), -)
   Call: (198) [system] (-)='('
   Fail: (198) [system] (-)='('
   Call: (198) [system] (-)='['
   Fail: (198) [system] (-)='['
   Call: (198) [system] (-)='{'
   Fail: (198) [system] (-)='{'
   Call: (198) [system] (-)='"'
   Fail: (198) [system] (-)='"'
   Call: (198) [system] (-)=!
   Fail: (198) [system] (-)=!
   Call: (198) [system] (-)='\''
   Fail: (198) [system] (-)='\''
   Call: (198) [system] (-)='`'
   Fail: (198) [system] (-)='`'
   Call: (198) [system] (-)=end_of_file
   Fail: (198) [system] (-)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x55772f068e50), -, _518018)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _553528)
   Call: (200) [system] peek_char((0x55772f068e50), _554462)
   Exit: (200) [system] peek_char((0x55772f068e50), >)
^  Call: (200) [user] is_delimiter(>)
   Call: (201) [system] char_type(>, space)
   Fail: (201) [system] char_type(>, space)
   Call: (201) [system] arg(_559182, v('(', ')', end_of_file), >)
   Fail: (201) [system] arg(_560114, v('(', ')', end_of_file), >)
^  Fail: (200) [user] is_delimiter(>)
   Call: (200) [system] ')'==(>)
   Fail: (200) [system] ')'==(>)
   Call: (200) [system] get_char((0x55772f068e50), >)
   Exit: (200) [system] get_char((0x55772f068e50), >)
   Call: (200) [system] (>)=(\)
   Fail: (200) [system] (>)=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _567464)
   Call: (201) [system] peek_char((0x55772f068e50), _568398)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _567464=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (200) [system] _553528=[>]
   Exit: (200) [system] [>]=[>]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [>])
^  Call: (199) [user] classify_and_convert_charseq([-, >], _518018)
^  Call: (200) [user] classify_and_convert_charseq_([-, >], _580476)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_581428, _581430), once(user:catch(read_from_chars([-, >], _580476), _581410, fail)), '$restore_trace'(_581428, _581430))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_581428, _581430))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _581410, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(->)
   Exit: (201) [system] atomic(->)
^  Exit: (200) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (200) [system] integer(->)
   Fail: (200) [system] integer(->)
   Call: (200) [system] _518018=(->)
   Exit: (200) [system] (->)=(->)
^  Exit: (199) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (198) [user] read_symbolic(')', (0x55772f068e50), -, ->)
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), ->)
^  Call: (197) [user] read_list(')', (0x55772f068e50), _593556)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _595414)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _605008)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _607712)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _624646)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _630216)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _632074)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _648084)
   Exit: (199) [system] get_char((0x55772f068e50), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x55772f068e50), $, _630216)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _665726)
   Call: (201) [system] peek_char((0x55772f068e50), _666660)
   Exit: (201) [system] peek_char((0x55772f068e50), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_671380, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_672312, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x55772f068e50), p)
   Exit: (201) [system] get_char((0x55772f068e50), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _679662)
   Call: (202) [system] peek_char((0x55772f068e50), _680596)
   Exit: (202) [system] peek_char((0x55772f068e50), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_685316, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_686248, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x55772f068e50), r)
   Exit: (202) [system] get_char((0x55772f068e50), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _693598)
   Call: (203) [system] peek_char((0x55772f068e50), _694532)
   Exit: (203) [system] peek_char((0x55772f068e50), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_699252, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_700184, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x55772f068e50), e)
   Exit: (203) [system] get_char((0x55772f068e50), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _707534)
   Call: (204) [system] peek_char((0x55772f068e50), _708468)
   Exit: (204) [system] peek_char((0x55772f068e50), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_713188, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_714120, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x55772f068e50), m)
   Exit: (204) [system] get_char((0x55772f068e50), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _721470)
   Call: (205) [system] peek_char((0x55772f068e50), _722404)
   Exit: (205) [system] peek_char((0x55772f068e50), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_727124, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_728056, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x55772f068e50), i)
   Exit: (205) [system] get_char((0x55772f068e50), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _735406)
   Call: (206) [system] peek_char((0x55772f068e50), _736340)
   Exit: (206) [system] peek_char((0x55772f068e50), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_741060, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_741992, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x55772f068e50), s)
   Exit: (206) [system] get_char((0x55772f068e50), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _749342)
   Call: (207) [system] peek_char((0x55772f068e50), _750276)
   Exit: (207) [system] peek_char((0x55772f068e50), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_754996, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_755928, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x55772f068e50), e)
   Exit: (207) [system] get_char((0x55772f068e50), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _763278)
   Call: (208) [system] peek_char((0x55772f068e50), _764212)
   Exit: (208) [system] peek_char((0x55772f068e50), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Fail: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_768932, v('(', ')', end_of_file), '1')
   Fail: (209) [system] arg(_769864, v('(', ')', end_of_file), '1')
^  Fail: (208) [user] is_delimiter('1')
   Call: (208) [system] ')'=='1'
   Fail: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x55772f068e50), '1')
   Exit: (208) [system] get_char((0x55772f068e50), '1')
   Call: (208) [system] '1'=(\)
   Fail: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _777214)
   Call: (209) [system] peek_char((0x55772f068e50), _778148)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _777214=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (208) [system] _763278=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), ['1'])
   Call: (207) [system] _749342=[e, '1']
   Exit: (207) [system] [e, '1']=[e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '1'])
   Call: (206) [system] _735406=[s, e, '1']
   Exit: (206) [system] [s, e, '1']=[s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '1'])
   Call: (205) [system] _721470=[i, s, e, '1']
   Exit: (205) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '1'])
   Call: (204) [system] _707534=[m, i, s, e, '1']
   Exit: (204) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '1'])
   Call: (203) [system] _693598=[e, m, i, s, e, '1']
   Exit: (203) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '1'])
   Call: (202) [system] _679662=[r, e, m, i, s, e, '1']
   Exit: (202) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '1'])
   Call: (201) [system] _665726=[p, r, e, m, i, s, e, '1']
   Exit: (201) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '1'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _630216)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _809784)
   Call: (202) [system] atom_chars(_810716, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (202) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _premise1)
   Call: (201) [system] integer(_premise1)
   Fail: (201) [system] integer(_premise1)
   Call: (201) [system] _630216=_premise1
   Exit: (201) [system] _premise1=_premise1
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (199) [user] read_symbolic(')', (0x55772f068e50), $, _premise1)
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), _premise1)
^  Call: (198) [user] read_list(')', (0x55772f068e50), _820008)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _821866)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _831460)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _834164)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _851098)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _856668)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _858526)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _874536)
   Exit: (200) [system] get_char((0x55772f068e50), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), $, _856668)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _892178)
   Call: (202) [system] peek_char((0x55772f068e50), _893112)
   Exit: (202) [system] peek_char((0x55772f068e50), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_897832, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_898764, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x55772f068e50), p)
   Exit: (202) [system] get_char((0x55772f068e50), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _906114)
   Call: (203) [system] peek_char((0x55772f068e50), _907048)
   Exit: (203) [system] peek_char((0x55772f068e50), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_911768, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_912700, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x55772f068e50), r)
   Exit: (203) [system] get_char((0x55772f068e50), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _920050)
   Call: (204) [system] peek_char((0x55772f068e50), _920984)
   Exit: (204) [system] peek_char((0x55772f068e50), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_925704, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_926636, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x55772f068e50), e)
   Exit: (204) [system] get_char((0x55772f068e50), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _933986)
   Call: (205) [system] peek_char((0x55772f068e50), _934920)
   Exit: (205) [system] peek_char((0x55772f068e50), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Fail: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_939640, v('(', ')', end_of_file), m)
   Fail: (206) [system] arg(_940572, v('(', ')', end_of_file), m)
^  Fail: (205) [user] is_delimiter(m)
   Call: (205) [system] ')'==m
   Fail: (205) [system] ')'==m
   Call: (205) [system] get_char((0x55772f068e50), m)
   Exit: (205) [system] get_char((0x55772f068e50), m)
   Call: (205) [system] m=(\)
   Fail: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _947922)
   Call: (206) [system] peek_char((0x55772f068e50), _948856)
   Exit: (206) [system] peek_char((0x55772f068e50), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_953576, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_954508, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x55772f068e50), i)
   Exit: (206) [system] get_char((0x55772f068e50), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _961858)
   Call: (207) [system] peek_char((0x55772f068e50), _962792)
   Exit: (207) [system] peek_char((0x55772f068e50), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_967512, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_968444, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x55772f068e50), s)
   Exit: (207) [system] get_char((0x55772f068e50), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _975794)
   Call: (208) [system] peek_char((0x55772f068e50), _976728)
   Exit: (208) [system] peek_char((0x55772f068e50), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_981448, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_982380, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x55772f068e50), e)
   Exit: (208) [system] get_char((0x55772f068e50), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _989730)
   Call: (209) [system] peek_char((0x55772f068e50), _990664)
   Exit: (209) [system] peek_char((0x55772f068e50), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Fail: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_995384, v('(', ')', end_of_file), '2')
   Fail: (210) [system] arg(_996316, v('(', ')', end_of_file), '2')
^  Fail: (209) [user] is_delimiter('2')
   Call: (209) [system] ')'=='2'
   Fail: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x55772f068e50), '2')
   Exit: (209) [system] get_char((0x55772f068e50), '2')
   Call: (209) [system] '2'=(\)
   Fail: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1003666)
   Call: (210) [system] peek_char((0x55772f068e50), _1004600)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1003666=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (209) [system] _989730=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), ['2'])
   Call: (208) [system] _975794=[e, '2']
   Exit: (208) [system] [e, '2']=[e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '2'])
   Call: (207) [system] _961858=[s, e, '2']
   Exit: (207) [system] [s, e, '2']=[s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '2'])
   Call: (206) [system] _947922=[i, s, e, '2']
   Exit: (206) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '2'])
   Call: (205) [system] _933986=[m, i, s, e, '2']
   Exit: (205) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '2'])
   Call: (204) [system] _920050=[e, m, i, s, e, '2']
   Exit: (204) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '2'])
   Call: (203) [system] _906114=[r, e, m, i, s, e, '2']
   Exit: (203) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '2'])
   Call: (202) [system] _892178=[p, r, e, m, i, s, e, '2']
   Exit: (202) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '2'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _856668)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _1036236)
   Call: (203) [system] atom_chars(_1037168, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (203) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _premise2)
   Call: (202) [system] integer(_premise2)
   Fail: (202) [system] integer(_premise2)
   Call: (202) [system] _856668=_premise2
   Exit: (202) [system] _premise2=_premise2
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), $, _premise2)
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), _premise2)
^  Call: (199) [user] read_list(')', (0x55772f068e50), _1046460)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1048318)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _1057912)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1060616)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1077550)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _1083120)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1084978)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _1100988)
   Exit: (201) [system] get_char((0x55772f068e50), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), $, _1083120)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1118630)
   Call: (203) [system] peek_char((0x55772f068e50), _1119564)
   Exit: (203) [system] peek_char((0x55772f068e50), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1124284, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_1125216, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x55772f068e50), p)
   Exit: (203) [system] get_char((0x55772f068e50), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1132566)
   Call: (204) [system] peek_char((0x55772f068e50), _1133500)
   Exit: (204) [system] peek_char((0x55772f068e50), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1138220, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1139152, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x55772f068e50), r)
   Exit: (204) [system] get_char((0x55772f068e50), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1146502)
   Call: (205) [system] peek_char((0x55772f068e50), _1147436)
   Exit: (205) [system] peek_char((0x55772f068e50), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Fail: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_1152156, v('(', ')', end_of_file), e)
   Fail: (206) [system] arg(_1153088, v('(', ')', end_of_file), e)
^  Fail: (205) [user] is_delimiter(e)
   Call: (205) [system] ')'==e
   Fail: (205) [system] ')'==e
   Call: (205) [system] get_char((0x55772f068e50), e)
   Exit: (205) [system] get_char((0x55772f068e50), e)
   Call: (205) [system] e=(\)
   Fail: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1160438)
   Call: (206) [system] peek_char((0x55772f068e50), _1161372)
   Exit: (206) [system] peek_char((0x55772f068e50), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Fail: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_1166092, v('(', ')', end_of_file), m)
   Fail: (207) [system] arg(_1167024, v('(', ')', end_of_file), m)
^  Fail: (206) [user] is_delimiter(m)
   Call: (206) [system] ')'==m
   Fail: (206) [system] ')'==m
   Call: (206) [system] get_char((0x55772f068e50), m)
   Exit: (206) [system] get_char((0x55772f068e50), m)
   Call: (206) [system] m=(\)
   Fail: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1174374)
   Call: (207) [system] peek_char((0x55772f068e50), _1175308)
   Exit: (207) [system] peek_char((0x55772f068e50), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1180028, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_1180960, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x55772f068e50), i)
   Exit: (207) [system] get_char((0x55772f068e50), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1188310)
   Call: (208) [system] peek_char((0x55772f068e50), _1189244)
   Exit: (208) [system] peek_char((0x55772f068e50), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Fail: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_1193964, v('(', ')', end_of_file), s)
   Fail: (209) [system] arg(_1194896, v('(', ')', end_of_file), s)
^  Fail: (208) [user] is_delimiter(s)
   Call: (208) [system] ')'==s
   Fail: (208) [system] ')'==s
   Call: (208) [system] get_char((0x55772f068e50), s)
   Exit: (208) [system] get_char((0x55772f068e50), s)
   Call: (208) [system] s=(\)
   Fail: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1202246)
   Call: (209) [system] peek_char((0x55772f068e50), _1203180)
   Exit: (209) [system] peek_char((0x55772f068e50), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_1207900, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_1208832, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x55772f068e50), e)
   Exit: (209) [system] get_char((0x55772f068e50), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1216182)
   Call: (210) [system] peek_char((0x55772f068e50), _1217116)
   Exit: (210) [system] peek_char((0x55772f068e50), '3')
^  Call: (210) [user] is_delimiter('3')
   Call: (211) [system] char_type('3', space)
   Fail: (211) [system] char_type('3', space)
   Call: (211) [system] arg(_1221836, v('(', ')', end_of_file), '3')
   Fail: (211) [system] arg(_1222768, v('(', ')', end_of_file), '3')
^  Fail: (210) [user] is_delimiter('3')
   Call: (210) [system] ')'=='3'
   Fail: (210) [system] ')'=='3'
   Call: (210) [system] get_char((0x55772f068e50), '3')
   Exit: (210) [system] get_char((0x55772f068e50), '3')
   Call: (210) [system] '3'=(\)
   Fail: (210) [system] '3'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1230118)
   Call: (211) [system] peek_char((0x55772f068e50), _1231052)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1230118=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (210) [system] _1216182=['3']
   Exit: (210) [system] ['3']=['3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), ['3'])
   Call: (209) [system] _1202246=[e, '3']
   Exit: (209) [system] [e, '3']=[e, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '3'])
   Call: (208) [system] _1188310=[s, e, '3']
   Exit: (208) [system] [s, e, '3']=[s, e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '3'])
   Call: (207) [system] _1174374=[i, s, e, '3']
   Exit: (207) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '3'])
   Call: (206) [system] _1160438=[m, i, s, e, '3']
   Exit: (206) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '3'])
   Call: (205) [system] _1146502=[e, m, i, s, e, '3']
   Exit: (205) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '3'])
   Call: (204) [system] _1132566=[r, e, m, i, s, e, '3']
   Exit: (204) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '3'])
   Call: (203) [system] _1118630=[p, r, e, m, i, s, e, '3']
   Exit: (203) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '3'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _1083120)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _1262688)
   Call: (204) [system] atom_chars(_1263620, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (204) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _premise3)
   Call: (203) [system] integer(_premise3)
   Fail: (203) [system] integer(_premise3)
   Call: (203) [system] _1083120=_premise3
   Exit: (203) [system] _premise3=_premise3
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), $, _premise3)
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), _premise3)
^  Call: (200) [user] read_list(')', (0x55772f068e50), _1272912)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1274770)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _1284364)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1287068)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1304002)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _1309572)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1311430)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _1327440)
   Exit: (202) [system] get_char((0x55772f068e50), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), $, _1309572)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1345082)
   Call: (204) [system] peek_char((0x55772f068e50), _1346016)
   Exit: (204) [system] peek_char((0x55772f068e50), c)
^  Call: (204) [user] is_delimiter(c)
   Call: (205) [system] char_type(c, space)
   Fail: (205) [system] char_type(c, space)
   Call: (205) [system] arg(_1350736, v('(', ')', end_of_file), c)
   Fail: (205) [system] arg(_1351668, v('(', ')', end_of_file), c)
^  Fail: (204) [user] is_delimiter(c)
   Call: (204) [system] ')'==c
   Fail: (204) [system] ')'==c
   Call: (204) [system] get_char((0x55772f068e50), c)
   Exit: (204) [system] get_char((0x55772f068e50), c)
   Call: (204) [system] c=(\)
   Fail: (204) [system] c=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1359018)
   Call: (205) [system] peek_char((0x55772f068e50), _1359952)
   Exit: (205) [system] peek_char((0x55772f068e50), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1364672, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_1365604, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x55772f068e50), o)
   Exit: (205) [system] get_char((0x55772f068e50), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1372954)
   Call: (206) [system] peek_char((0x55772f068e50), _1373888)
   Exit: (206) [system] peek_char((0x55772f068e50), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Fail: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_1378608, v('(', ')', end_of_file), n)
   Fail: (207) [system] arg(_1379540, v('(', ')', end_of_file), n)
^  Fail: (206) [user] is_delimiter(n)
   Call: (206) [system] ')'==n
   Fail: (206) [system] ')'==n
   Call: (206) [system] get_char((0x55772f068e50), n)
   Exit: (206) [system] get_char((0x55772f068e50), n)
   Call: (206) [system] n=(\)
   Fail: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1386890)
   Call: (207) [system] peek_char((0x55772f068e50), _1387824)
   Exit: (207) [system] peek_char((0x55772f068e50), c)
^  Call: (207) [user] is_delimiter(c)
   Call: (208) [system] char_type(c, space)
   Fail: (208) [system] char_type(c, space)
   Call: (208) [system] arg(_1392544, v('(', ')', end_of_file), c)
   Fail: (208) [system] arg(_1393476, v('(', ')', end_of_file), c)
^  Fail: (207) [user] is_delimiter(c)
   Call: (207) [system] ')'==c
   Fail: (207) [system] ')'==c
   Call: (207) [system] get_char((0x55772f068e50), c)
   Exit: (207) [system] get_char((0x55772f068e50), c)
   Call: (207) [system] c=(\)
   Fail: (207) [system] c=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1400826)
   Call: (208) [system] peek_char((0x55772f068e50), _1401760)
   Exit: (208) [system] peek_char((0x55772f068e50), l)
^  Call: (208) [user] is_delimiter(l)
   Call: (209) [system] char_type(l, space)
   Fail: (209) [system] char_type(l, space)
   Call: (209) [system] arg(_1406480, v('(', ')', end_of_file), l)
   Fail: (209) [system] arg(_1407412, v('(', ')', end_of_file), l)
^  Fail: (208) [user] is_delimiter(l)
   Call: (208) [system] ')'==l
   Fail: (208) [system] ')'==l
   Call: (208) [system] get_char((0x55772f068e50), l)
   Exit: (208) [system] get_char((0x55772f068e50), l)
   Call: (208) [system] l=(\)
   Fail: (208) [system] l=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1414762)
   Call: (209) [system] peek_char((0x55772f068e50), _1415696)
   Exit: (209) [system] peek_char((0x55772f068e50), u)
^  Call: (209) [user] is_delimiter(u)
   Call: (210) [system] char_type(u, space)
   Fail: (210) [system] char_type(u, space)
   Call: (210) [system] arg(_1420416, v('(', ')', end_of_file), u)
   Fail: (210) [system] arg(_1421348, v('(', ')', end_of_file), u)
^  Fail: (209) [user] is_delimiter(u)
   Call: (209) [system] ')'==u
   Fail: (209) [system] ')'==u
   Call: (209) [system] get_char((0x55772f068e50), u)
   Exit: (209) [system] get_char((0x55772f068e50), u)
   Call: (209) [system] u=(\)
   Fail: (209) [system] u=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1428698)
   Call: (210) [system] peek_char((0x55772f068e50), _1429632)
   Exit: (210) [system] peek_char((0x55772f068e50), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Fail: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_1434352, v('(', ')', end_of_file), s)
   Fail: (211) [system] arg(_1435284, v('(', ')', end_of_file), s)
^  Fail: (210) [user] is_delimiter(s)
   Call: (210) [system] ')'==s
   Fail: (210) [system] ')'==s
   Call: (210) [system] get_char((0x55772f068e50), s)
   Exit: (210) [system] get_char((0x55772f068e50), s)
   Call: (210) [system] s=(\)
   Fail: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1442634)
   Call: (211) [system] peek_char((0x55772f068e50), _1443568)
   Exit: (211) [system] peek_char((0x55772f068e50), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_1448288, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_1449220, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x55772f068e50), i)
   Exit: (211) [system] get_char((0x55772f068e50), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1456570)
   Call: (212) [system] peek_char((0x55772f068e50), _1457504)
   Exit: (212) [system] peek_char((0x55772f068e50), o)
^  Call: (212) [user] is_delimiter(o)
   Call: (213) [system] char_type(o, space)
   Fail: (213) [system] char_type(o, space)
   Call: (213) [system] arg(_1462224, v('(', ')', end_of_file), o)
   Fail: (213) [system] arg(_1463156, v('(', ')', end_of_file), o)
^  Fail: (212) [user] is_delimiter(o)
   Call: (212) [system] ')'==o
   Fail: (212) [system] ')'==o
   Call: (212) [system] get_char((0x55772f068e50), o)
   Exit: (212) [system] get_char((0x55772f068e50), o)
   Call: (212) [system] o=(\)
   Fail: (212) [system] o=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1470506)
   Call: (213) [system] peek_char((0x55772f068e50), _1471440)
   Exit: (213) [system] peek_char((0x55772f068e50), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1476160, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_1477092, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x55772f068e50), n)
   Exit: (213) [system] get_char((0x55772f068e50), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1484442)
   Call: (214) [system] peek_char((0x55772f068e50), _1485376)
   Exit: (214) [system] peek_char((0x55772f068e50), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_1490096, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _1484442=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (213) [system] _1470506=[n]
   Exit: (213) [system] [n]=[n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (212) [system] _1456570=[o, n]
   Exit: (212) [system] [o, n]=[o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (211) [system] _1442634=[i, o, n]
   Exit: (211) [system] [i, o, n]=[i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (210) [system] _1428698=[s, i, o, n]
   Exit: (210) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [s, i, o, n])
   Call: (209) [system] _1414762=[u, s, i, o, n]
   Exit: (209) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [u, s, i, o, n])
   Call: (208) [system] _1400826=[l, u, s, i, o, n]
   Exit: (208) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [l, u, s, i, o, n])
   Call: (207) [system] _1386890=[c, l, u, s, i, o, n]
   Exit: (207) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [c, l, u, s, i, o, n])
   Call: (206) [system] _1372954=[n, c, l, u, s, i, o, n]
   Exit: (206) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, l, u, s, i, o, n])
   Call: (205) [system] _1359018=[o, n, c, l, u, s, i, o, n]
   Exit: (205) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, c, l, u, s, i, o, n])
   Call: (204) [system] _1345082=[c, o, n, c, l, u, s, i, o, n]
   Exit: (204) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [c, o, n, c, l, u, s, i, o, n])
^  Call: (203) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _1309572)
^  Call: (204) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _1524472)
   Call: (205) [system] atom_chars(_1525404, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (205) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (204) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
   Call: (204) [system] integer(_conclusion)
   Fail: (204) [system] integer(_conclusion)
   Call: (204) [system] _1309572=_conclusion
   Exit: (204) [system] _conclusion=_conclusion
^  Exit: (203) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), $, _conclusion)
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), _conclusion)
^  Call: (201) [user] read_list(')', (0x55772f068e50), _1534696)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1536554)
   Exit: (203) [system] peek_char((0x55772f068e50), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1552564)
   Exit: (202) [system] peek_char((0x55772f068e50), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x55772f068e50), _1556354)
   Exit: (202) [system] get_char((0x55772f068e50), ')')
   Call: (202) [system] _1534696=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [])
   Call: (201) [system] _1272912=[_conclusion]
   Exit: (201) [system] [_conclusion]=[_conclusion]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [_conclusion])
   Call: (200) [system] _1046460=[_premise3, _conclusion]
   Exit: (200) [system] [_premise3, _conclusion]=[_premise3, _conclusion]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [_premise3, _conclusion])
   Call: (199) [system] _820008=[_premise2, _premise3, _conclusion]
   Exit: (199) [system] [_premise2, _premise3, _conclusion]=[_premise2, _premise3, _conclusion]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [_premise2, _premise3, _conclusion])
   Call: (198) [system] _593556=[_premise1, _premise2, _premise3, _conclusion]
   Exit: (198) [system] [_premise1, _premise2, _premise3, _conclusion]=[_premise1, _premise2, _premise3, _conclusion]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [_premise1, _premise2, _premise3, _conclusion])
   Call: (197) [system] _473000=[->, _premise1, _premise2, _premise3, _conclusion]
   Exit: (197) [system] [->, _premise1, _premise2, _premise3, _conclusion]=[->, _premise1, _premise2, _premise3, _conclusion]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [->, _premise1, _premise2, _premise3, _conclusion])
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), [->, _premise1, _premise2, _premise3, _conclusion])
^  Call: (195) [user] read_list(')', (0x55772f068e50), _1575824)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1577682)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1593692)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x55772f068e50), _1597482)
   Exit: (196) [system] get_char((0x55772f068e50), ')')
   Call: (196) [system] _1575824=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [])
   Call: (195) [system] _436340=[[->, _premise1, _premise2, _premise3, _conclusion]]
   Exit: (195) [system] [[->, _premise1, _premise2, _premise3, _conclusion]]=[[->, _premise1, _premise2, _premise3, _conclusion]]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [[->, _premise1, _premise2, _premise3, _conclusion]])
   Call: (194) [system] _243348=[_ructor, [->, _premise1, _premise2, _premise3, _conclusion]]
   Exit: (194) [system] [_ructor, [->, _premise1, _premise2, _premise3, _conclusion]]=[_ructor, [->, _premise1, _premise2, _premise3, _conclusion]]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [_ructor, [->, _premise1, _premise2, _premise3, _conclusion]])
   Call: (193) [system] _139522=[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]]
   Exit: (193) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]]=[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]])
^  Exit: (191) [user] cont_sexpr(')', (0x55772f068e50), [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]])
^  Call: (191) [user] read_list(')', (0x55772f068e50), _1611364)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1613222)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _1622816)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1625520)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1642454)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _1648024)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1649882)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _1665892)
   Exit: (193) [system] get_char((0x55772f068e50), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x55772f068e50), _1648024)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1671462)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1687472)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _1693042)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1694900)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _1710910)
   Exit: (195) [system] get_char((0x55772f068e50), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x55772f068e50), $, _1693042)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1728552)
   Call: (197) [system] peek_char((0x55772f068e50), _1729486)
   Exit: (197) [system] peek_char((0x55772f068e50), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_1734206, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_1735138, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x55772f068e50), r)
   Exit: (197) [system] get_char((0x55772f068e50), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1742488)
   Call: (198) [system] peek_char((0x55772f068e50), _1743422)
   Exit: (198) [system] peek_char((0x55772f068e50), b)
^  Call: (198) [user] is_delimiter(b)
   Call: (199) [system] char_type(b, space)
   Fail: (199) [system] char_type(b, space)
   Call: (199) [system] arg(_1748142, v('(', ')', end_of_file), b)
   Fail: (199) [system] arg(_1749074, v('(', ')', end_of_file), b)
^  Fail: (198) [user] is_delimiter(b)
   Call: (198) [system] ')'==b
   Fail: (198) [system] ')'==b
   Call: (198) [system] get_char((0x55772f068e50), b)
   Exit: (198) [system] get_char((0x55772f068e50), b)
   Call: (198) [system] b=(\)
   Fail: (198) [system] b=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1756424)
   Call: (199) [system] peek_char((0x55772f068e50), _1757358)
   Exit: (199) [system] peek_char((0x55772f068e50), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1762078, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1756424=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (198) [system] _1742488=[b]
   Exit: (198) [system] [b]=[b]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (197) [system] _1728552=[r, b]
   Exit: (197) [system] [r, b]=[r, b]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [r, b])
^  Call: (196) [user] classify_and_convert_charseq([$, r, b], _1693042)
^  Call: (197) [user] classify_and_convert_charseq_([$, r, b], _1774102)
   Call: (198) [system] atom_chars(_1775034, ['_', r, b])
   Exit: (198) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (197) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (197) [system] integer(_rb)
   Fail: (197) [system] integer(_rb)
   Call: (197) [system] _1693042=_rb
   Exit: (197) [system] _rb=_rb
^  Exit: (196) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (195) [user] read_symbolic(')', (0x55772f068e50), $, _rb)
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), _rb)
^  Call: (194) [user] read_list(')', (0x55772f068e50), _1784326)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1786184)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1802194)
   Exit: (195) [system] peek_char((0x55772f068e50), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x55772f068e50), _1805984)
   Exit: (195) [system] get_char((0x55772f068e50), ')')
   Call: (195) [system] _1784326=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [])
   Call: (194) [system] _1648024=[_rb]
   Exit: (194) [system] [_rb]=[_rb]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [_rb])
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), [_rb])
^  Call: (192) [user] read_list(')', (0x55772f068e50), _1814278)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1816136)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1832146)
   Exit: (193) [system] peek_char((0x55772f068e50), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x55772f068e50), _1835936)
   Exit: (193) [system] get_char((0x55772f068e50), ')')
   Call: (193) [system] _1814278=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [])
   Call: (192) [system] _1611364=[[_rb]]
   Exit: (192) [system] [[_rb]]=[[_rb]]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [[_rb]])
   Call: (191) [system] _94504=[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]]
   Exit: (191) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]]=[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]]
^  Exit: (190) [user] read_list(')', (0x55772f068e50), [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]])
^  Exit: (189) [user] cont_sexpr(')', (0x55772f068e50), [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]])
^  Call: (189) [user] read_list(')', (0x55772f068e50), _1847024)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1848882)
   Exit: (191) [system] peek_char((0x55772f068e50), '\n')
   Call: (191) [system] '\n'=(;)
   Fail: (191) [system] '\n'=(;)
   Call: (191) [system] '\n'=(/)
   Fail: (191) [system] '\n'=(/)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Fail: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x55772f068e50), _1860332)
   Exit: (191) [system] get_char((0x55772f068e50), '\n')
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1863036)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x55772f068e50), _1872630)
   Exit: (192) [system] get_char((0x55772f068e50), ' ')
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1875334)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _1884928)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1887632)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _1897226)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1899930)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _1909524)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1912228)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _1921822)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1924526)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _1934120)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1936824)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _1946418)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1949122)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _1958716)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1961420)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _1971014)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1973718)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _1983312)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1986016)
   Exit: (202) [system] peek_char((0x55772f068e50), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _2012190)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x55772f068e50), _2017760)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _2019618)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] get_char((0x55772f068e50), _2035628)
   Exit: (191) [system] get_char((0x55772f068e50), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x55772f068e50), _2017760)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _2041198)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _2057208)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _2062778)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _2064636)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _2080646)
   Exit: (193) [system] get_char((0x55772f068e50), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x55772f068e50), _2062778)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _2086216)
   Exit: (195) [system] peek_char((0x55772f068e50), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _8930)
   Exit: (194) [system] peek_char((0x55772f068e50), :)
   Call: (194) [system] (:)=')'
   Fail: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _14500)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _16358)
   Exit: (196) [system] peek_char((0x55772f068e50), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _32368)
   Exit: (195) [system] get_char((0x55772f068e50), :)
   Call: (195) [system] (:)='('
   Fail: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Fail: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Fail: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Fail: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Fail: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Fail: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Fail: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x55772f068e50), :, _14500)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _50010)
   Call: (197) [system] peek_char((0x55772f068e50), _50944)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _50010=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (196) [user] classify_and_convert_charseq([:], _14500)
^  Call: (197) [user] classify_and_convert_charseq_([:], _60228)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_61180, _61182), once(user:catch(read_from_chars([:], _60228), _61162, fail)), '$restore_trace'(_61180, _61182))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_61180, _61182))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _61162, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq_([:], :)
   Call: (197) [system] integer(:)
   Fail: (197) [system] integer(:)
   Call: (197) [system] _14500=(:)
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] classify_and_convert_charseq([:], :)
^  Exit: (195) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (194) [user] read_list(')', (0x55772f068e50), _73308)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _75166)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _84760)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _87464)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _104398)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _109968)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _111826)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _127836)
   Exit: (196) [system] get_char((0x55772f068e50), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x55772f068e50), _109968)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _133406)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _149416)
   Exit: (197) [system] peek_char((0x55772f068e50), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _154986)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _156844)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _172854)
   Exit: (198) [system] get_char((0x55772f068e50), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x55772f068e50), $, _154986)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _190496)
   Call: (200) [system] peek_char((0x55772f068e50), _191430)
   Exit: (200) [system] peek_char((0x55772f068e50), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_196150, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_197082, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x55772f068e50), r)
   Exit: (200) [system] get_char((0x55772f068e50), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _204432)
   Call: (201) [system] peek_char((0x55772f068e50), _205366)
   Exit: (201) [system] peek_char((0x55772f068e50), u)
^  Call: (201) [user] is_delimiter(u)
   Call: (202) [system] char_type(u, space)
   Fail: (202) [system] char_type(u, space)
   Call: (202) [system] arg(_210086, v('(', ')', end_of_file), u)
   Fail: (202) [system] arg(_211018, v('(', ')', end_of_file), u)
^  Fail: (201) [user] is_delimiter(u)
   Call: (201) [system] ')'==u
   Fail: (201) [system] ')'==u
   Call: (201) [system] get_char((0x55772f068e50), u)
   Exit: (201) [system] get_char((0x55772f068e50), u)
   Call: (201) [system] u=(\)
   Fail: (201) [system] u=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _218368)
   Call: (202) [system] peek_char((0x55772f068e50), _219302)
   Exit: (202) [system] peek_char((0x55772f068e50), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_224022, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_224954, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x55772f068e50), c)
   Exit: (202) [system] get_char((0x55772f068e50), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _232304)
   Call: (203) [system] peek_char((0x55772f068e50), _233238)
   Exit: (203) [system] peek_char((0x55772f068e50), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Fail: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_237958, v('(', ')', end_of_file), t)
   Fail: (204) [system] arg(_238890, v('(', ')', end_of_file), t)
^  Fail: (203) [user] is_delimiter(t)
   Call: (203) [system] ')'==t
   Fail: (203) [system] ')'==t
   Call: (203) [system] get_char((0x55772f068e50), t)
   Exit: (203) [system] get_char((0x55772f068e50), t)
   Call: (203) [system] t=(\)
   Fail: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _246240)
   Call: (204) [system] peek_char((0x55772f068e50), _247174)
   Exit: (204) [system] peek_char((0x55772f068e50), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_251894, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_252826, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x55772f068e50), o)
   Exit: (204) [system] get_char((0x55772f068e50), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _260176)
   Call: (205) [system] peek_char((0x55772f068e50), _261110)
   Exit: (205) [system] peek_char((0x55772f068e50), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_265830, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_266762, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x55772f068e50), r)
   Exit: (205) [system] get_char((0x55772f068e50), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _274112)
   Call: (206) [system] peek_char((0x55772f068e50), _275046)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _274112=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (205) [system] _260176=[r]
   Exit: (205) [system] [r]=[r]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [r])
   Call: (204) [system] _246240=[o, r]
   Exit: (204) [system] [o, r]=[o, r]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [o, r])
   Call: (203) [system] _232304=[t, o, r]
   Exit: (203) [system] [t, o, r]=[t, o, r]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [t, o, r])
   Call: (202) [system] _218368=[c, t, o, r]
   Exit: (202) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, o, r])
   Call: (201) [system] _204432=[u, c, t, o, r]
   Exit: (201) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, o, r])
   Call: (200) [system] _190496=[r, u, c, t, o, r]
   Exit: (200) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [r, u, c, t, o, r])
^  Call: (199) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _154986)
^  Call: (200) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _301094)
   Call: (201) [system] atom_chars(_302026, ['_', r, u, c, t, o, r])
   Exit: (201) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (200) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _ructor)
   Call: (200) [system] integer(_ructor)
   Fail: (200) [system] integer(_ructor)
   Call: (200) [system] _154986=_ructor
   Exit: (200) [system] _ructor=_ructor
^  Exit: (199) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _ructor)
^  Exit: (198) [user] read_symbolic(')', (0x55772f068e50), $, _ructor)
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), _ructor)
^  Call: (197) [user] read_list(')', (0x55772f068e50), _311318)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _313176)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _322770)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _325474)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _342408)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _347978)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _349836)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _365846)
   Exit: (199) [system] get_char((0x55772f068e50), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x55772f068e50), $, _347978)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _383488)
   Call: (201) [system] peek_char((0x55772f068e50), _384422)
   Exit: (201) [system] peek_char((0x55772f068e50), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_389142, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_390074, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x55772f068e50), p)
   Exit: (201) [system] get_char((0x55772f068e50), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _397424)
   Call: (202) [system] peek_char((0x55772f068e50), _398358)
   Exit: (202) [system] peek_char((0x55772f068e50), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_403078, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_404010, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x55772f068e50), r)
   Exit: (202) [system] get_char((0x55772f068e50), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _411360)
   Call: (203) [system] peek_char((0x55772f068e50), _412294)
   Exit: (203) [system] peek_char((0x55772f068e50), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_417014, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_417946, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x55772f068e50), o)
   Exit: (203) [system] get_char((0x55772f068e50), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _425296)
   Call: (204) [system] peek_char((0x55772f068e50), _426230)
   Exit: (204) [system] peek_char((0x55772f068e50), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_430950, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_431882, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x55772f068e50), o)
   Exit: (204) [system] get_char((0x55772f068e50), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _439232)
   Call: (205) [system] peek_char((0x55772f068e50), _440166)
   Exit: (205) [system] peek_char((0x55772f068e50), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Fail: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_444886, v('(', ')', end_of_file), f)
   Fail: (206) [system] arg(_445818, v('(', ')', end_of_file), f)
^  Fail: (205) [user] is_delimiter(f)
   Call: (205) [system] ')'==f
   Fail: (205) [system] ')'==f
   Call: (205) [system] get_char((0x55772f068e50), f)
   Exit: (205) [system] get_char((0x55772f068e50), f)
   Call: (205) [system] f=(\)
   Fail: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _453168)
   Call: (206) [system] peek_char((0x55772f068e50), _454102)
   Exit: (206) [system] peek_char((0x55772f068e50), '1')
^  Call: (206) [user] is_delimiter('1')
   Call: (207) [system] char_type('1', space)
   Fail: (207) [system] char_type('1', space)
   Call: (207) [system] arg(_458822, v('(', ')', end_of_file), '1')
   Fail: (207) [system] arg(_459754, v('(', ')', end_of_file), '1')
^  Fail: (206) [user] is_delimiter('1')
   Call: (206) [system] ')'=='1'
   Fail: (206) [system] ')'=='1'
   Call: (206) [system] get_char((0x55772f068e50), '1')
   Exit: (206) [system] get_char((0x55772f068e50), '1')
   Call: (206) [system] '1'=(\)
   Fail: (206) [system] '1'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _467104)
   Call: (207) [system] peek_char((0x55772f068e50), _468038)
   Exit: (207) [system] peek_char((0x55772f068e50), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _467104=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (206) [system] _453168=['1']
   Exit: (206) [system] ['1']=['1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), ['1'])
   Call: (205) [system] _439232=[f, '1']
   Exit: (205) [system] [f, '1']=[f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '1'])
   Call: (204) [system] _425296=[o, f, '1']
   Exit: (204) [system] [o, f, '1']=[o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '1'])
   Call: (203) [system] _411360=[o, o, f, '1']
   Exit: (203) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '1'])
   Call: (202) [system] _397424=[r, o, o, f, '1']
   Exit: (202) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '1'])
   Call: (201) [system] _383488=[p, r, o, o, f, '1']
   Exit: (201) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '1'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _347978)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _494086)
   Call: (202) [system] atom_chars(_495018, ['_', p, r, o, o, f, '1'])
   Exit: (202) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _proof1)
   Call: (201) [system] integer(_proof1)
   Fail: (201) [system] integer(_proof1)
   Call: (201) [system] _347978=_proof1
   Exit: (201) [system] _proof1=_proof1
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _proof1)
^  Exit: (199) [user] read_symbolic(')', (0x55772f068e50), $, _proof1)
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), _proof1)
^  Call: (198) [user] read_list(')', (0x55772f068e50), _504310)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _506168)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _515762)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _518466)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _535400)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _540970)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _542828)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _558838)
   Exit: (200) [system] get_char((0x55772f068e50), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), $, _540970)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _576480)
   Call: (202) [system] peek_char((0x55772f068e50), _577414)
   Exit: (202) [system] peek_char((0x55772f068e50), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_582134, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_583066, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x55772f068e50), p)
   Exit: (202) [system] get_char((0x55772f068e50), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _590416)
   Call: (203) [system] peek_char((0x55772f068e50), _591350)
   Exit: (203) [system] peek_char((0x55772f068e50), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_596070, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_597002, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x55772f068e50), r)
   Exit: (203) [system] get_char((0x55772f068e50), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _604352)
   Call: (204) [system] peek_char((0x55772f068e50), _605286)
   Exit: (204) [system] peek_char((0x55772f068e50), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_610006, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_610938, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x55772f068e50), o)
   Exit: (204) [system] get_char((0x55772f068e50), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _618288)
   Call: (205) [system] peek_char((0x55772f068e50), _619222)
   Exit: (205) [system] peek_char((0x55772f068e50), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_623942, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_624874, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x55772f068e50), o)
   Exit: (205) [system] get_char((0x55772f068e50), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _632224)
   Call: (206) [system] peek_char((0x55772f068e50), _633158)
   Exit: (206) [system] peek_char((0x55772f068e50), f)
^  Call: (206) [user] is_delimiter(f)
   Call: (207) [system] char_type(f, space)
   Fail: (207) [system] char_type(f, space)
   Call: (207) [system] arg(_637878, v('(', ')', end_of_file), f)
   Fail: (207) [system] arg(_638810, v('(', ')', end_of_file), f)
^  Fail: (206) [user] is_delimiter(f)
   Call: (206) [system] ')'==f
   Fail: (206) [system] ')'==f
   Call: (206) [system] get_char((0x55772f068e50), f)
   Exit: (206) [system] get_char((0x55772f068e50), f)
   Call: (206) [system] f=(\)
   Fail: (206) [system] f=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _646160)
   Call: (207) [system] peek_char((0x55772f068e50), _647094)
   Exit: (207) [system] peek_char((0x55772f068e50), '2')
^  Call: (207) [user] is_delimiter('2')
   Call: (208) [system] char_type('2', space)
   Fail: (208) [system] char_type('2', space)
   Call: (208) [system] arg(_651814, v('(', ')', end_of_file), '2')
   Fail: (208) [system] arg(_652746, v('(', ')', end_of_file), '2')
^  Fail: (207) [user] is_delimiter('2')
   Call: (207) [system] ')'=='2'
   Fail: (207) [system] ')'=='2'
   Call: (207) [system] get_char((0x55772f068e50), '2')
   Exit: (207) [system] get_char((0x55772f068e50), '2')
   Call: (207) [system] '2'=(\)
   Fail: (207) [system] '2'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _660096)
   Call: (208) [system] peek_char((0x55772f068e50), _661030)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _660096=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (207) [system] _646160=['2']
   Exit: (207) [system] ['2']=['2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), ['2'])
   Call: (206) [system] _632224=[f, '2']
   Exit: (206) [system] [f, '2']=[f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '2'])
   Call: (205) [system] _618288=[o, f, '2']
   Exit: (205) [system] [o, f, '2']=[o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '2'])
   Call: (204) [system] _604352=[o, o, f, '2']
   Exit: (204) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '2'])
   Call: (203) [system] _590416=[r, o, o, f, '2']
   Exit: (203) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '2'])
   Call: (202) [system] _576480=[p, r, o, o, f, '2']
   Exit: (202) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '2'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _540970)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _687078)
   Call: (203) [system] atom_chars(_688010, ['_', p, r, o, o, f, '2'])
   Exit: (203) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _proof2)
   Call: (202) [system] integer(_proof2)
   Fail: (202) [system] integer(_proof2)
   Call: (202) [system] _540970=_proof2
   Exit: (202) [system] _proof2=_proof2
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _proof2)
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), $, _proof2)
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), _proof2)
^  Call: (199) [user] read_list(')', (0x55772f068e50), _697302)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _699160)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _708754)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _711458)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _728392)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _733962)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _735820)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _751830)
   Exit: (201) [system] get_char((0x55772f068e50), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), $, _733962)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _769472)
   Call: (203) [system] peek_char((0x55772f068e50), _770406)
   Exit: (203) [system] peek_char((0x55772f068e50), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_775126, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_776058, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x55772f068e50), p)
   Exit: (203) [system] get_char((0x55772f068e50), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _783408)
   Call: (204) [system] peek_char((0x55772f068e50), _784342)
   Exit: (204) [system] peek_char((0x55772f068e50), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_789062, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_789994, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x55772f068e50), r)
   Exit: (204) [system] get_char((0x55772f068e50), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _797344)
   Call: (205) [system] peek_char((0x55772f068e50), _798278)
   Exit: (205) [system] peek_char((0x55772f068e50), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_802998, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_803930, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x55772f068e50), o)
   Exit: (205) [system] get_char((0x55772f068e50), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _811280)
   Call: (206) [system] peek_char((0x55772f068e50), _812214)
   Exit: (206) [system] peek_char((0x55772f068e50), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_816934, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_817866, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x55772f068e50), o)
   Exit: (206) [system] get_char((0x55772f068e50), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _825216)
   Call: (207) [system] peek_char((0x55772f068e50), _826150)
   Exit: (207) [system] peek_char((0x55772f068e50), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Fail: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_830870, v('(', ')', end_of_file), f)
   Fail: (208) [system] arg(_831802, v('(', ')', end_of_file), f)
^  Fail: (207) [user] is_delimiter(f)
   Call: (207) [system] ')'==f
   Fail: (207) [system] ')'==f
   Call: (207) [system] get_char((0x55772f068e50), f)
   Exit: (207) [system] get_char((0x55772f068e50), f)
   Call: (207) [system] f=(\)
   Fail: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _839152)
   Call: (208) [system] peek_char((0x55772f068e50), _840086)
   Exit: (208) [system] peek_char((0x55772f068e50), '3')
^  Call: (208) [user] is_delimiter('3')
   Call: (209) [system] char_type('3', space)
   Fail: (209) [system] char_type('3', space)
   Call: (209) [system] arg(_844806, v('(', ')', end_of_file), '3')
   Fail: (209) [system] arg(_845738, v('(', ')', end_of_file), '3')
^  Fail: (208) [user] is_delimiter('3')
   Call: (208) [system] ')'=='3'
   Fail: (208) [system] ')'=='3'
   Call: (208) [system] get_char((0x55772f068e50), '3')
   Exit: (208) [system] get_char((0x55772f068e50), '3')
   Call: (208) [system] '3'=(\)
   Fail: (208) [system] '3'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _853088)
   Call: (209) [system] peek_char((0x55772f068e50), _854022)
   Exit: (209) [system] peek_char((0x55772f068e50), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_858742, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _853088=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (208) [system] _839152=['3']
   Exit: (208) [system] ['3']=['3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), ['3'])
   Call: (207) [system] _825216=[f, '3']
   Exit: (207) [system] [f, '3']=[f, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '3'])
   Call: (206) [system] _811280=[o, f, '3']
   Exit: (206) [system] [o, f, '3']=[o, f, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '3'])
   Call: (205) [system] _797344=[o, o, f, '3']
   Exit: (205) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '3'])
   Call: (204) [system] _783408=[r, o, o, f, '3']
   Exit: (204) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '3'])
   Call: (203) [system] _769472=[p, r, o, o, f, '3']
   Exit: (203) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '3'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _733962)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _881942)
   Call: (204) [system] atom_chars(_882874, ['_', p, r, o, o, f, '3'])
   Exit: (204) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _proof3)
   Call: (203) [system] integer(_proof3)
   Fail: (203) [system] integer(_proof3)
   Call: (203) [system] _733962=_proof3
   Exit: (203) [system] _proof3=_proof3
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _proof3)
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), $, _proof3)
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), _proof3)
^  Call: (200) [user] read_list(')', (0x55772f068e50), _892166)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _894024)
   Exit: (202) [system] peek_char((0x55772f068e50), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _910034)
   Exit: (201) [system] peek_char((0x55772f068e50), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x55772f068e50), _913824)
   Exit: (201) [system] get_char((0x55772f068e50), ')')
   Call: (201) [system] _892166=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [])
   Call: (200) [system] _697302=[_proof3]
   Exit: (200) [system] [_proof3]=[_proof3]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [_proof3])
   Call: (199) [system] _504310=[_proof2, _proof3]
   Exit: (199) [system] [_proof2, _proof3]=[_proof2, _proof3]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [_proof2, _proof3])
   Call: (198) [system] _311318=[_proof1, _proof2, _proof3]
   Exit: (198) [system] [_proof1, _proof2, _proof3]=[_proof1, _proof2, _proof3]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [_proof1, _proof2, _proof3])
   Call: (197) [system] _109968=[_ructor, _proof1, _proof2, _proof3]
   Exit: (197) [system] [_ructor, _proof1, _proof2, _proof3]=[_ructor, _proof1, _proof2, _proof3]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [_ructor, _proof1, _proof2, _proof3])
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), [_ructor, _proof1, _proof2, _proof3])
^  Call: (195) [user] read_list(')', (0x55772f068e50), _930500)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _932358)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _941952)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _944656)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _961590)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _967160)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _969018)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _985028)
   Exit: (197) [system] get_char((0x55772f068e50), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x55772f068e50), $, _967160)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1002670)
   Call: (199) [system] peek_char((0x55772f068e50), _1003604)
   Exit: (199) [system] peek_char((0x55772f068e50), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_1008324, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_1009256, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x55772f068e50), c)
   Exit: (199) [system] get_char((0x55772f068e50), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1016606)
   Call: (200) [system] peek_char((0x55772f068e50), _1017540)
   Exit: (200) [system] peek_char((0x55772f068e50), o)
^  Call: (200) [user] is_delimiter(o)
   Call: (201) [system] char_type(o, space)
   Fail: (201) [system] char_type(o, space)
   Call: (201) [system] arg(_1022260, v('(', ')', end_of_file), o)
   Fail: (201) [system] arg(_1023192, v('(', ')', end_of_file), o)
^  Fail: (200) [user] is_delimiter(o)
   Call: (200) [system] ')'==o
   Fail: (200) [system] ')'==o
   Call: (200) [system] get_char((0x55772f068e50), o)
   Exit: (200) [system] get_char((0x55772f068e50), o)
   Call: (200) [system] o=(\)
   Fail: (200) [system] o=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1030542)
   Call: (201) [system] peek_char((0x55772f068e50), _1031476)
   Exit: (201) [system] peek_char((0x55772f068e50), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_1036196, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_1037128, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x55772f068e50), n)
   Exit: (201) [system] get_char((0x55772f068e50), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1044478)
   Call: (202) [system] peek_char((0x55772f068e50), _1045412)
   Exit: (202) [system] peek_char((0x55772f068e50), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_1050132, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_1051064, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x55772f068e50), c)
   Exit: (202) [system] get_char((0x55772f068e50), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1058414)
   Call: (203) [system] peek_char((0x55772f068e50), _1059348)
   Exit: (203) [system] peek_char((0x55772f068e50), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Fail: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_1064068, v('(', ')', end_of_file), l)
   Fail: (204) [system] arg(_1065000, v('(', ')', end_of_file), l)
^  Fail: (203) [user] is_delimiter(l)
   Call: (203) [system] ')'==l
   Fail: (203) [system] ')'==l
   Call: (203) [system] get_char((0x55772f068e50), l)
   Exit: (203) [system] get_char((0x55772f068e50), l)
   Call: (203) [system] l=(\)
   Fail: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1072350)
   Call: (204) [system] peek_char((0x55772f068e50), _1073284)
   Exit: (204) [system] peek_char((0x55772f068e50), u)
^  Call: (204) [user] is_delimiter(u)
   Call: (205) [system] char_type(u, space)
   Fail: (205) [system] char_type(u, space)
   Call: (205) [system] arg(_1078004, v('(', ')', end_of_file), u)
   Fail: (205) [system] arg(_1078936, v('(', ')', end_of_file), u)
^  Fail: (204) [user] is_delimiter(u)
   Call: (204) [system] ')'==u
   Fail: (204) [system] ')'==u
   Call: (204) [system] get_char((0x55772f068e50), u)
   Exit: (204) [system] get_char((0x55772f068e50), u)
   Call: (204) [system] u=(\)
   Fail: (204) [system] u=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1086286)
   Call: (205) [system] peek_char((0x55772f068e50), _1087220)
   Exit: (205) [system] peek_char((0x55772f068e50), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_1091940, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_1092872, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x55772f068e50), s)
   Exit: (205) [system] get_char((0x55772f068e50), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1100222)
   Call: (206) [system] peek_char((0x55772f068e50), _1101156)
   Exit: (206) [system] peek_char((0x55772f068e50), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1105876, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_1106808, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x55772f068e50), i)
   Exit: (206) [system] get_char((0x55772f068e50), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1114158)
   Call: (207) [system] peek_char((0x55772f068e50), _1115092)
   Exit: (207) [system] peek_char((0x55772f068e50), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1119812, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1120744, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x55772f068e50), o)
   Exit: (207) [system] get_char((0x55772f068e50), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1128094)
   Call: (208) [system] peek_char((0x55772f068e50), _1129028)
   Exit: (208) [system] peek_char((0x55772f068e50), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1133748, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1134680, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x55772f068e50), n)
   Exit: (208) [system] get_char((0x55772f068e50), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1142030)
   Call: (209) [system] peek_char((0x55772f068e50), _1142964)
   Exit: (209) [system] peek_char((0x55772f068e50), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_1147684, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _1142030=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (208) [system] _1128094=[n]
   Exit: (208) [system] [n]=[n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (207) [system] _1114158=[o, n]
   Exit: (207) [system] [o, n]=[o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (206) [system] _1100222=[i, o, n]
   Exit: (206) [system] [i, o, n]=[i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (205) [system] _1086286=[s, i, o, n]
   Exit: (205) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [s, i, o, n])
   Call: (204) [system] _1072350=[u, s, i, o, n]
   Exit: (204) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [u, s, i, o, n])
   Call: (203) [system] _1058414=[l, u, s, i, o, n]
   Exit: (203) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [l, u, s, i, o, n])
   Call: (202) [system] _1044478=[c, l, u, s, i, o, n]
   Exit: (202) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [c, l, u, s, i, o, n])
   Call: (201) [system] _1030542=[n, c, l, u, s, i, o, n]
   Exit: (201) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, l, u, s, i, o, n])
   Call: (200) [system] _1016606=[o, n, c, l, u, s, i, o, n]
   Exit: (200) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, c, l, u, s, i, o, n])
   Call: (199) [system] _1002670=[c, o, n, c, l, u, s, i, o, n]
   Exit: (199) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [c, o, n, c, l, u, s, i, o, n])
^  Call: (198) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _967160)
^  Call: (199) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _1182060)
   Call: (200) [system] atom_chars(_1182992, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (200) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (199) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
   Call: (199) [system] integer(_conclusion)
   Fail: (199) [system] integer(_conclusion)
   Call: (199) [system] _967160=_conclusion
   Exit: (199) [system] _conclusion=_conclusion
^  Exit: (198) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (197) [user] read_symbolic(')', (0x55772f068e50), $, _conclusion)
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), _conclusion)
^  Call: (196) [user] read_list(')', (0x55772f068e50), _1192284)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1194142)
   Exit: (198) [system] peek_char((0x55772f068e50), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1210152)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x55772f068e50), _1213942)
   Exit: (197) [system] get_char((0x55772f068e50), ')')
   Call: (197) [system] _1192284=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [])
   Call: (196) [system] _930500=[_conclusion]
   Exit: (196) [system] [_conclusion]=[_conclusion]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [_conclusion])
   Call: (195) [system] _73308=[[_ructor, _proof1, _proof2, _proof3], _conclusion]
   Exit: (195) [system] [[_ructor, _proof1, _proof2, _proof3], _conclusion]=[[_ructor, _proof1, _proof2, _proof3], _conclusion]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [[_ructor, _proof1, _proof2, _proof3], _conclusion])
   Call: (194) [system] _3544=[:, [_ructor, _proof1, _proof2, _proof3], _conclusion]
   Exit: (194) [system] [:, [_ructor, _proof1, _proof2, _proof3], _conclusion]=[:, [_ructor, _proof1, _proof2, _proof3], _conclusion]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [:, [_ructor, _proof1, _proof2, _proof3], _conclusion])
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), [:, [_ructor, _proof1, _proof2, _proof3], _conclusion])
^  Call: (192) [user] read_list(')', (0x55772f068e50), _1227824)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1229682)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _1239276)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1241980)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1258914)
   Exit: (193) [system] peek_char((0x55772f068e50), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _1264484)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1266342)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _1282352)
   Exit: (194) [system] get_char((0x55772f068e50), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x55772f068e50), $, _1264484)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _1299994)
   Call: (196) [system] peek_char((0x55772f068e50), _1300928)
   Exit: (196) [system] peek_char((0x55772f068e50), q)
^  Call: (196) [user] is_delimiter(q)
   Call: (197) [system] char_type(q, space)
   Fail: (197) [system] char_type(q, space)
   Call: (197) [system] arg(_1305648, v('(', ')', end_of_file), q)
   Fail: (197) [system] arg(_1306580, v('(', ')', end_of_file), q)
^  Fail: (196) [user] is_delimiter(q)
   Call: (196) [system] ')'==q
   Fail: (196) [system] ')'==q
   Call: (196) [system] get_char((0x55772f068e50), q)
   Exit: (196) [system] get_char((0x55772f068e50), q)
   Call: (196) [system] q=(\)
   Fail: (196) [system] q=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1313930)
   Call: (197) [system] peek_char((0x55772f068e50), _1314864)
   Exit: (197) [system] peek_char((0x55772f068e50), u)
^  Call: (197) [user] is_delimiter(u)
   Call: (198) [system] char_type(u, space)
   Fail: (198) [system] char_type(u, space)
   Call: (198) [system] arg(_1319584, v('(', ')', end_of_file), u)
   Fail: (198) [system] arg(_1320516, v('(', ')', end_of_file), u)
^  Fail: (197) [user] is_delimiter(u)
   Call: (197) [system] ')'==u
   Fail: (197) [system] ')'==u
   Call: (197) [system] get_char((0x55772f068e50), u)
   Exit: (197) [system] get_char((0x55772f068e50), u)
   Call: (197) [system] u=(\)
   Fail: (197) [system] u=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1327866)
   Call: (198) [system] peek_char((0x55772f068e50), _1328800)
   Exit: (198) [system] peek_char((0x55772f068e50), e)
^  Call: (198) [user] is_delimiter(e)
   Call: (199) [system] char_type(e, space)
   Fail: (199) [system] char_type(e, space)
   Call: (199) [system] arg(_1333520, v('(', ')', end_of_file), e)
   Fail: (199) [system] arg(_1334452, v('(', ')', end_of_file), e)
^  Fail: (198) [user] is_delimiter(e)
   Call: (198) [system] ')'==e
   Fail: (198) [system] ')'==e
   Call: (198) [system] get_char((0x55772f068e50), e)
   Exit: (198) [system] get_char((0x55772f068e50), e)
   Call: (198) [system] e=(\)
   Fail: (198) [system] e=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1341802)
   Call: (199) [system] peek_char((0x55772f068e50), _1342736)
   Exit: (199) [system] peek_char((0x55772f068e50), r)
^  Call: (199) [user] is_delimiter(r)
   Call: (200) [system] char_type(r, space)
   Fail: (200) [system] char_type(r, space)
   Call: (200) [system] arg(_1347456, v('(', ')', end_of_file), r)
   Fail: (200) [system] arg(_1348388, v('(', ')', end_of_file), r)
^  Fail: (199) [user] is_delimiter(r)
   Call: (199) [system] ')'==r
   Fail: (199) [system] ')'==r
   Call: (199) [system] get_char((0x55772f068e50), r)
   Exit: (199) [system] get_char((0x55772f068e50), r)
   Call: (199) [system] r=(\)
   Fail: (199) [system] r=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1355738)
   Call: (200) [system] peek_char((0x55772f068e50), _1356672)
   Exit: (200) [system] peek_char((0x55772f068e50), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Fail: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_1361392, v('(', ')', end_of_file), y)
   Fail: (201) [system] arg(_1362324, v('(', ')', end_of_file), y)
^  Fail: (200) [user] is_delimiter(y)
   Call: (200) [system] ')'==y
   Fail: (200) [system] ')'==y
   Call: (200) [system] get_char((0x55772f068e50), y)
   Exit: (200) [system] get_char((0x55772f068e50), y)
   Call: (200) [system] y=(\)
   Fail: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1369674)
   Call: (201) [system] peek_char((0x55772f068e50), _1370608)
   Exit: (201) [system] peek_char((0x55772f068e50), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_1375328, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _1369674=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (200) [system] _1355738=[y]
   Exit: (200) [system] [y]=[y]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [y])
   Call: (199) [system] _1341802=[r, y]
   Exit: (199) [system] [r, y]=[r, y]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [r, y])
   Call: (198) [system] _1327866=[e, r, y]
   Exit: (198) [system] [e, r, y]=[e, r, y]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [e, r, y])
   Call: (197) [system] _1313930=[u, e, r, y]
   Exit: (197) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [u, e, r, y])
   Call: (196) [system] _1299994=[q, u, e, r, y]
   Exit: (196) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [q, u, e, r, y])
^  Call: (195) [user] classify_and_convert_charseq([$, q, u, e, r, y], _1264484)
^  Call: (196) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _1395734)
   Call: (197) [system] atom_chars(_1396666, ['_', q, u, e, r, y])
   Exit: (197) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (196) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (196) [system] integer(_query)
   Fail: (196) [system] integer(_query)
   Call: (196) [system] _1264484=_query
   Exit: (196) [system] _query=_query
^  Exit: (195) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (194) [user] read_symbolic(')', (0x55772f068e50), $, _query)
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), _query)
^  Call: (193) [user] read_list(')', (0x55772f068e50), _1405958)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1407816)
   Exit: (195) [system] peek_char((0x55772f068e50), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1423826)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x55772f068e50), _1427616)
   Exit: (194) [system] get_char((0x55772f068e50), ')')
   Call: (194) [system] _1405958=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [])
   Call: (193) [system] _1227824=[_query]
   Exit: (193) [system] [_query]=[_query]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [_query])
   Call: (192) [system] _3538=[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query]
   Exit: (192) [system] [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query]=[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query])
^  Exit: (190) [user] cont_sexpr(')', (0x55772f068e50), [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query])
^  Call: (190) [user] read_list(')', (0x55772f068e50), _1438704)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1440562)
   Exit: (192) [system] peek_char((0x55772f068e50), '\n')
   Call: (192) [system] '\n'=(;)
   Fail: (192) [system] '\n'=(;)
   Call: (192) [system] '\n'=(/)
   Fail: (192) [system] '\n'=(/)
^  Call: (192) [user] is_like_space('\n')
   Call: (193) [system] char_type('\n', 'white')
   Fail: (193) [system] char_type('\n', 'white')
   Call: (193) [system] char_type('\n', end_of_line)
   Exit: (193) [system] char_type('\n', end_of_line)
^  Exit: (192) [user] is_like_space('\n')
   Call: (192) [system] get_char((0x55772f068e50), _1452012)
   Exit: (192) [system] get_char((0x55772f068e50), '\n')
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1454716)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _1464310)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1467014)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _1476608)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1479312)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _1488906)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1491610)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _1501204)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1503908)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _1513502)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1516206)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _1525800)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1528504)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _1538098)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1540802)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _1550396)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1553100)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _1562694)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1565398)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _1574992)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1577696)
   Exit: (203) [system] peek_char((0x55772f068e50), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1603870)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x55772f068e50), _1609440)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1611298)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] get_char((0x55772f068e50), _1627308)
   Exit: (192) [system] get_char((0x55772f068e50), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x55772f068e50), _1609440)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1632878)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1648888)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _1654458)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1656316)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _1672326)
   Exit: (194) [system] get_char((0x55772f068e50), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x55772f068e50), _1654458)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1677896)
   Exit: (196) [system] peek_char((0x55772f068e50), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1693906)
   Exit: (195) [system] peek_char((0x55772f068e50), :)
   Call: (195) [system] (:)=')'
   Fail: (195) [system] (:)=')'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _1699476)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1701334)
   Exit: (197) [system] peek_char((0x55772f068e50), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
   Call: (197) [system] (:)=(/)
   Fail: (197) [system] (:)=(/)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _1717344)
   Exit: (196) [system] get_char((0x55772f068e50), :)
   Call: (196) [system] (:)='('
   Fail: (196) [system] (:)='('
   Call: (196) [system] (:)='['
   Fail: (196) [system] (:)='['
   Call: (196) [system] (:)='{'
   Fail: (196) [system] (:)='{'
   Call: (196) [system] (:)='"'
   Fail: (196) [system] (:)='"'
   Call: (196) [system] (:)=!
   Fail: (196) [system] (:)=!
   Call: (196) [system] (:)='\''
   Fail: (196) [system] (:)='\''
   Call: (196) [system] (:)='`'
   Fail: (196) [system] (:)='`'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x55772f068e50), :, _1699476)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1734986)
   Call: (198) [system] peek_char((0x55772f068e50), _1735920)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1734986=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (197) [user] classify_and_convert_charseq([:], _1699476)
^  Call: (198) [user] classify_and_convert_charseq_([:], _1745204)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_1746156, _1746158), once(user:catch(read_from_chars([:], _1745204), _1746138, fail)), '$restore_trace'(_1746156, _1746158))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_1746156, _1746158))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1746138, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(:)
   Exit: (199) [system] atomic(:)
^  Exit: (198) [user] classify_and_convert_charseq_([:], :)
   Call: (198) [system] integer(:)
   Fail: (198) [system] integer(:)
   Call: (198) [system] _1699476=(:)
   Exit: (198) [system] (:)=(:)
^  Exit: (197) [user] classify_and_convert_charseq([:], :)
^  Exit: (196) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (195) [user] read_list(')', (0x55772f068e50), _1758284)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1760142)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _1769736)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1772440)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1789374)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _1794944)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1796802)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _1812812)
   Exit: (197) [system] get_char((0x55772f068e50), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x55772f068e50), $, _1794944)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1830454)
   Call: (199) [system] peek_char((0x55772f068e50), _1831388)
   Exit: (199) [system] peek_char((0x55772f068e50), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_1836108, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_1837040, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x55772f068e50), p)
   Exit: (199) [system] get_char((0x55772f068e50), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1844390)
   Call: (200) [system] peek_char((0x55772f068e50), _1845324)
   Exit: (200) [system] peek_char((0x55772f068e50), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_1850044, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_1850976, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x55772f068e50), r)
   Exit: (200) [system] get_char((0x55772f068e50), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1858326)
   Call: (201) [system] peek_char((0x55772f068e50), _1859260)
   Exit: (201) [system] peek_char((0x55772f068e50), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_1863980, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_1864912, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x55772f068e50), o)
   Exit: (201) [system] get_char((0x55772f068e50), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1872262)
   Call: (202) [system] peek_char((0x55772f068e50), _1873196)
   Exit: (202) [system] peek_char((0x55772f068e50), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_1877916, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_1878848, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x55772f068e50), o)
   Exit: (202) [system] get_char((0x55772f068e50), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1886198)
   Call: (203) [system] peek_char((0x55772f068e50), _1887132)
   Exit: (203) [system] peek_char((0x55772f068e50), f)
^  Call: (203) [user] is_delimiter(f)
   Call: (204) [system] char_type(f, space)
   Fail: (204) [system] char_type(f, space)
   Call: (204) [system] arg(_1891852, v('(', ')', end_of_file), f)
   Fail: (204) [system] arg(_1892784, v('(', ')', end_of_file), f)
^  Fail: (203) [user] is_delimiter(f)
   Call: (203) [system] ')'==f
   Fail: (203) [system] ')'==f
   Call: (203) [system] get_char((0x55772f068e50), f)
   Exit: (203) [system] get_char((0x55772f068e50), f)
   Call: (203) [system] f=(\)
   Fail: (203) [system] f=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1900134)
   Call: (204) [system] peek_char((0x55772f068e50), _1901068)
   Exit: (204) [system] peek_char((0x55772f068e50), '1')
^  Call: (204) [user] is_delimiter('1')
   Call: (205) [system] char_type('1', space)
   Fail: (205) [system] char_type('1', space)
   Call: (205) [system] arg(_1905788, v('(', ')', end_of_file), '1')
   Fail: (205) [system] arg(_1906720, v('(', ')', end_of_file), '1')
^  Fail: (204) [user] is_delimiter('1')
   Call: (204) [system] ')'=='1'
   Fail: (204) [system] ')'=='1'
   Call: (204) [system] get_char((0x55772f068e50), '1')
   Exit: (204) [system] get_char((0x55772f068e50), '1')
   Call: (204) [system] '1'=(\)
   Fail: (204) [system] '1'=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1914070)
   Call: (205) [system] peek_char((0x55772f068e50), _1915004)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1914070=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (204) [system] _1900134=['1']
   Exit: (204) [system] ['1']=['1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), ['1'])
   Call: (203) [system] _1886198=[f, '1']
   Exit: (203) [system] [f, '1']=[f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '1'])
   Call: (202) [system] _1872262=[o, f, '1']
   Exit: (202) [system] [o, f, '1']=[o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '1'])
   Call: (201) [system] _1858326=[o, o, f, '1']
   Exit: (201) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '1'])
   Call: (200) [system] _1844390=[r, o, o, f, '1']
   Exit: (200) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '1'])
   Call: (199) [system] _1830454=[p, r, o, o, f, '1']
   Exit: (199) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '1'])
^  Call: (198) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _1794944)
^  Call: (199) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _1941052)
   Call: (200) [system] atom_chars(_1941984, ['_', p, r, o, o, f, '1'])
   Exit: (200) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (199) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _proof1)
   Call: (199) [system] integer(_proof1)
   Fail: (199) [system] integer(_proof1)
   Call: (199) [system] _1794944=_proof1
   Exit: (199) [system] _proof1=_proof1
^  Exit: (198) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _proof1)
^  Exit: (197) [user] read_symbolic(')', (0x55772f068e50), $, _proof1)
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), _proof1)
^  Call: (196) [user] read_list(')', (0x55772f068e50), _1951276)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1953134)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _1962728)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1965432)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1982366)
   Exit: (197) [system] peek_char((0x55772f068e50), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _1987936)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1989794)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _2005804)
   Exit: (198) [system] get_char((0x55772f068e50), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x55772f068e50), $, _1987936)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _2023446)
   Call: (200) [system] peek_char((0x55772f068e50), _2024380)
   Exit: (200) [system] peek_char((0x55772f068e50), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_2029100, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_2030032, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x55772f068e50), p)
   Exit: (200) [system] get_char((0x55772f068e50), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _2037382)
   Call: (201) [system] peek_char((0x55772f068e50), _2038316)
   Exit: (201) [system] peek_char((0x55772f068e50), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Fail: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_2043036, v('(', ')', end_of_file), r)
   Fail: (202) [system] arg(_2043968, v('(', ')', end_of_file), r)
^  Fail: (201) [user] is_delimiter(r)
   Call: (201) [system] ')'==r
   Fail: (201) [system] ')'==r
   Call: (201) [system] get_char((0x55772f068e50), r)
   Exit: (201) [system] get_char((0x55772f068e50), r)
   Call: (201) [system] r=(\)
   Fail: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _2051318)
   Call: (202) [system] peek_char((0x55772f068e50), _2052252)
   Exit: (202) [system] peek_char((0x55772f068e50), e)
^  Call: (202) [user] is_delimiter(e)
   Call: (203) [system] char_type(e, space)
   Fail: (203) [system] char_type(e, space)
   Call: (203) [system] arg(_2056972, v('(', ')', end_of_file), e)
   Fail: (203) [system] arg(_2057904, v('(', ')', end_of_file), e)
^  Fail: (202) [user] is_delimiter(e)
   Call: (202) [system] ')'==e
   Fail: (202) [system] ')'==e
   Call: (202) [system] get_char((0x55772f068e50), e)
   Exit: (202) [system] get_char((0x55772f068e50), e)
   Call: (202) [system] e=(\)
   Fail: (202) [system] e=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _2065254)
   Call: (203) [system] peek_char((0x55772f068e50), _2066188)
   Exit: (203) [system] peek_char((0x55772f068e50), m)
^  Call: (203) [user] is_delimiter(m)
   Call: (204) [system] char_type(m, space)
   Fail: (204) [system] char_type(m, space)
   Call: (204) [system] arg(_2070908, v('(', ')', end_of_file), m)
   Fail: (204) [system] arg(_2071840, v('(', ')', end_of_file), m)
^  Fail: (203) [user] is_delimiter(m)
   Call: (203) [system] ')'==m
   Fail: (203) [system] ')'==m
   Call: (203) [system] get_char((0x55772f068e50), m)
   Exit: (203) [system] get_char((0x55772f068e50), m)
   Call: (203) [system] m=(\)
   Fail: (203) [system] m=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _2079190)
   Call: (204) [system] peek_char((0x55772f068e50), _2080124)
   Exit: (204) [system] peek_char((0x55772f068e50), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_2084844, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_2085776, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x55772f068e50), i)
   Exit: (204) [system] get_char((0x55772f068e50), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _2093126)
   Call: (205) [system] peek_char((0x55772f068e50), _2094060)
   Exit: (205) [system] peek_char((0x55772f068e50), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_5562, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_6494, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x55772f068e50), s)
   Exit: (205) [system] get_char((0x55772f068e50), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _13844)
   Call: (206) [system] peek_char((0x55772f068e50), _14778)
   Exit: (206) [system] peek_char((0x55772f068e50), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_19498, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_20430, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x55772f068e50), e)
   Exit: (206) [system] get_char((0x55772f068e50), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _27780)
   Call: (207) [system] peek_char((0x55772f068e50), _28714)
   Exit: (207) [system] peek_char((0x55772f068e50), '1')
^  Call: (207) [user] is_delimiter('1')
   Call: (208) [system] char_type('1', space)
   Fail: (208) [system] char_type('1', space)
   Call: (208) [system] arg(_33434, v('(', ')', end_of_file), '1')
   Fail: (208) [system] arg(_34366, v('(', ')', end_of_file), '1')
^  Fail: (207) [user] is_delimiter('1')
   Call: (207) [system] ')'=='1'
   Fail: (207) [system] ')'=='1'
   Call: (207) [system] get_char((0x55772f068e50), '1')
   Exit: (207) [system] get_char((0x55772f068e50), '1')
   Call: (207) [system] '1'=(\)
   Fail: (207) [system] '1'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _41716)
   Call: (208) [system] peek_char((0x55772f068e50), _42650)
   Exit: (208) [system] peek_char((0x55772f068e50), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_47370, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _41716=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (207) [system] _27780=['1']
   Exit: (207) [system] ['1']=['1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), ['1'])
   Call: (206) [system] _13844=[e, '1']
   Exit: (206) [system] [e, '1']=[e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '1'])
   Call: (205) [system] _3674=[s, e, '1']
   Exit: (205) [system] [s, e, '1']=[s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '1'])
   Call: (204) [system] _3670=[i, s, e, '1']
   Exit: (204) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '1'])
   Call: (203) [system] _3666=[m, i, s, e, '1']
   Exit: (203) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '1'])
   Call: (202) [system] _3662=[e, m, i, s, e, '1']
   Exit: (202) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '1'])
   Call: (201) [system] _3658=[r, e, m, i, s, e, '1']
   Exit: (201) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '1'])
   Call: (200) [system] _3654=[p, r, e, m, i, s, e, '1']
   Exit: (200) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '1'])
^  Call: (199) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _3650)
^  Call: (200) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _76158)
   Call: (201) [system] atom_chars(_77090, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (201) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (200) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _premise1)
   Call: (200) [system] integer(_premise1)
   Fail: (200) [system] integer(_premise1)
   Call: (200) [system] _3650=_premise1
   Exit: (200) [system] _premise1=_premise1
^  Exit: (199) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (198) [user] read_symbolic(')', (0x55772f068e50), $, _premise1)
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), _premise1)
^  Call: (197) [user] read_list(')', (0x55772f068e50), _86382)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _88240)
   Exit: (199) [system] peek_char((0x55772f068e50), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _104250)
   Exit: (198) [system] peek_char((0x55772f068e50), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x55772f068e50), _108040)
   Exit: (198) [system] get_char((0x55772f068e50), ')')
   Call: (198) [system] _86382=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [])
   Call: (197) [system] _3646=[_premise1]
   Exit: (197) [system] [_premise1]=[_premise1]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [_premise1])
   Call: (196) [system] _3636=[_proof1, _premise1]
   Exit: (196) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [_proof1, _premise1])
   Call: (195) [system] _3628=[:, _proof1, _premise1]
   Exit: (195) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [:, _proof1, _premise1])
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), [:, _proof1, _premise1])
^  Call: (193) [user] read_list(')', (0x55772f068e50), _121922)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _123780)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _133374)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _136078)
   Exit: (196) [system] peek_char((0x55772f068e50), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _153012)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _158582)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _160440)
   Exit: (196) [system] peek_char((0x55772f068e50), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _176450)
   Exit: (195) [system] get_char((0x55772f068e50), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x55772f068e50), _158582)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _182020)
   Exit: (197) [system] peek_char((0x55772f068e50), s)
   Call: (197) [system] s=(;)
   Fail: (197) [system] s=(;)
   Call: (197) [system] s=(/)
   Fail: (197) [system] s=(/)
^  Call: (197) [user] is_like_space(s)
   Call: (198) [system] char_type(s, 'white')
   Fail: (198) [system] char_type(s, 'white')
   Call: (198) [system] char_type(s, end_of_line)
   Fail: (198) [system] char_type(s, end_of_line)
   Call: (198) [system] char_type(s, space)
   Fail: (198) [system] char_type(s, space)
   Call: (198) [system] char_type(s, cntrl)
   Fail: (198) [system] char_type(s, cntrl)
^  Fail: (197) [user] is_like_space(s)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _198030)
   Exit: (196) [system] peek_char((0x55772f068e50), s)
   Call: (196) [system] s=')'
   Fail: (196) [system] s=')'
   Call: (196) [system] s=end_of_file
   Fail: (196) [system] s=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _203600)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _205458)
   Exit: (198) [system] peek_char((0x55772f068e50), s)
   Call: (198) [system] s=(;)
   Fail: (198) [system] s=(;)
   Call: (198) [system] s=(/)
   Fail: (198) [system] s=(/)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Fail: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Fail: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
   Fail: (199) [system] char_type(s, cntrl)
^  Fail: (198) [user] is_like_space(s)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _221468)
   Exit: (197) [system] get_char((0x55772f068e50), s)
   Call: (197) [system] s='('
   Fail: (197) [system] s='('
   Call: (197) [system] s='['
   Fail: (197) [system] s='['
   Call: (197) [system] s='{'
   Fail: (197) [system] s='{'
   Call: (197) [system] s='"'
   Fail: (197) [system] s='"'
   Call: (197) [system] s=!
   Fail: (197) [system] s=!
   Call: (197) [system] s='\''
   Fail: (197) [system] s='\''
   Call: (197) [system] s='`'
   Fail: (197) [system] s='`'
   Call: (197) [system] s=end_of_file
   Fail: (197) [system] s=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x55772f068e50), s, _203600)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _239110)
   Call: (199) [system] peek_char((0x55772f068e50), _240044)
   Exit: (199) [system] peek_char((0x55772f068e50), y)
^  Call: (199) [user] is_delimiter(y)
   Call: (200) [system] char_type(y, space)
   Fail: (200) [system] char_type(y, space)
   Call: (200) [system] arg(_244764, v('(', ')', end_of_file), y)
   Fail: (200) [system] arg(_245696, v('(', ')', end_of_file), y)
^  Fail: (199) [user] is_delimiter(y)
   Call: (199) [system] ')'==y
   Fail: (199) [system] ')'==y
   Call: (199) [system] get_char((0x55772f068e50), y)
   Exit: (199) [system] get_char((0x55772f068e50), y)
   Call: (199) [system] y=(\)
   Fail: (199) [system] y=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _253046)
   Call: (200) [system] peek_char((0x55772f068e50), _253980)
   Exit: (200) [system] peek_char((0x55772f068e50), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Fail: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_258700, v('(', ')', end_of_file), n)
   Fail: (201) [system] arg(_259632, v('(', ')', end_of_file), n)
^  Fail: (200) [user] is_delimiter(n)
   Call: (200) [system] ')'==n
   Fail: (200) [system] ')'==n
   Call: (200) [system] get_char((0x55772f068e50), n)
   Exit: (200) [system] get_char((0x55772f068e50), n)
   Call: (200) [system] n=(\)
   Fail: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _266982)
   Call: (201) [system] peek_char((0x55772f068e50), _267916)
   Exit: (201) [system] peek_char((0x55772f068e50), t)
^  Call: (201) [user] is_delimiter(t)
   Call: (202) [system] char_type(t, space)
   Fail: (202) [system] char_type(t, space)
   Call: (202) [system] arg(_272636, v('(', ')', end_of_file), t)
   Fail: (202) [system] arg(_273568, v('(', ')', end_of_file), t)
^  Fail: (201) [user] is_delimiter(t)
   Call: (201) [system] ')'==t
   Fail: (201) [system] ')'==t
   Call: (201) [system] get_char((0x55772f068e50), t)
   Exit: (201) [system] get_char((0x55772f068e50), t)
   Call: (201) [system] t=(\)
   Fail: (201) [system] t=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _280918)
   Call: (202) [system] peek_char((0x55772f068e50), _281852)
   Exit: (202) [system] peek_char((0x55772f068e50), h)
^  Call: (202) [user] is_delimiter(h)
   Call: (203) [system] char_type(h, space)
   Fail: (203) [system] char_type(h, space)
   Call: (203) [system] arg(_286572, v('(', ')', end_of_file), h)
   Fail: (203) [system] arg(_287504, v('(', ')', end_of_file), h)
^  Fail: (202) [user] is_delimiter(h)
   Call: (202) [system] ')'==h
   Fail: (202) [system] ')'==h
   Call: (202) [system] get_char((0x55772f068e50), h)
   Exit: (202) [system] get_char((0x55772f068e50), h)
   Call: (202) [system] h=(\)
   Fail: (202) [system] h=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _294854)
   Call: (203) [system] peek_char((0x55772f068e50), _295788)
   Exit: (203) [system] peek_char((0x55772f068e50), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_300508, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_301440, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x55772f068e50), e)
   Exit: (203) [system] get_char((0x55772f068e50), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _308790)
   Call: (204) [system] peek_char((0x55772f068e50), _309724)
   Exit: (204) [system] peek_char((0x55772f068e50), s)
^  Call: (204) [user] is_delimiter(s)
   Call: (205) [system] char_type(s, space)
   Fail: (205) [system] char_type(s, space)
   Call: (205) [system] arg(_314444, v('(', ')', end_of_file), s)
   Fail: (205) [system] arg(_315376, v('(', ')', end_of_file), s)
^  Fail: (204) [user] is_delimiter(s)
   Call: (204) [system] ')'==s
   Fail: (204) [system] ')'==s
   Call: (204) [system] get_char((0x55772f068e50), s)
   Exit: (204) [system] get_char((0x55772f068e50), s)
   Call: (204) [system] s=(\)
   Fail: (204) [system] s=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _322726)
   Call: (205) [system] peek_char((0x55772f068e50), _323660)
   Exit: (205) [system] peek_char((0x55772f068e50), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_328380, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_329312, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x55772f068e50), i)
   Exit: (205) [system] get_char((0x55772f068e50), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _336662)
   Call: (206) [system] peek_char((0x55772f068e50), _337596)
   Exit: (206) [system] peek_char((0x55772f068e50), z)
^  Call: (206) [user] is_delimiter(z)
   Call: (207) [system] char_type(z, space)
   Fail: (207) [system] char_type(z, space)
   Call: (207) [system] arg(_342316, v('(', ')', end_of_file), z)
   Fail: (207) [system] arg(_343248, v('(', ')', end_of_file), z)
^  Fail: (206) [user] is_delimiter(z)
   Call: (206) [system] ')'==z
   Fail: (206) [system] ')'==z
   Call: (206) [system] get_char((0x55772f068e50), z)
   Exit: (206) [system] get_char((0x55772f068e50), z)
   Call: (206) [system] z=(\)
   Fail: (206) [system] z=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _350598)
   Call: (207) [system] peek_char((0x55772f068e50), _351532)
   Exit: (207) [system] peek_char((0x55772f068e50), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_356252, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_357184, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x55772f068e50), e)
   Exit: (207) [system] get_char((0x55772f068e50), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _364534)
   Call: (208) [system] peek_char((0x55772f068e50), _365468)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _364534=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (207) [system] _350598=[e]
   Exit: (207) [system] [e]=[e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (206) [system] _336662=[z, e]
   Exit: (206) [system] [z, e]=[z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [z, e])
   Call: (205) [system] _322726=[i, z, e]
   Exit: (205) [system] [i, z, e]=[i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [i, z, e])
   Call: (204) [system] _308790=[s, i, z, e]
   Exit: (204) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [s, i, z, e])
   Call: (203) [system] _294854=[e, s, i, z, e]
   Exit: (203) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [e, s, i, z, e])
   Call: (202) [system] _280918=[h, e, s, i, z, e]
   Exit: (202) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [h, e, s, i, z, e])
   Call: (201) [system] _266982=[t, h, e, s, i, z, e]
   Exit: (201) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [t, h, e, s, i, z, e])
   Call: (200) [system] _253046=[n, t, h, e, s, i, z, e]
   Exit: (200) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, h, e, s, i, z, e])
   Call: (199) [system] _239110=[y, n, t, h, e, s, i, z, e]
   Exit: (199) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [y, n, t, h, e, s, i, z, e])
^  Call: (198) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _203600)
^  Call: (199) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _399898)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_400850, _400852), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _399898), _400832, fail)), '$restore_trace'(_400850, _400852))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_400850, _400852))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _400832, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(synthesize)
   Exit: (200) [system] atomic(synthesize)
^  Exit: (199) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (199) [system] integer(synthesize)
   Fail: (199) [system] integer(synthesize)
   Call: (199) [system] _203600=synthesize
   Exit: (199) [system] synthesize=synthesize
^  Exit: (198) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (197) [user] read_symbolic(')', (0x55772f068e50), s, synthesize)
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), synthesize)
^  Call: (196) [user] read_list(')', (0x55772f068e50), _412978)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _414836)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _424430)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _427134)
   Exit: (199) [system] peek_char((0x55772f068e50), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _444068)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _449638)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _451496)
   Exit: (199) [system] peek_char((0x55772f068e50), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _467506)
   Exit: (198) [system] get_char((0x55772f068e50), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x55772f068e50), _449638)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _473076)
   Exit: (200) [system] peek_char((0x55772f068e50), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
   Call: (200) [system] (:)=(/)
   Fail: (200) [system] (:)=(/)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _489086)
   Exit: (199) [system] peek_char((0x55772f068e50), :)
   Call: (199) [system] (:)=')'
   Fail: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _494656)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _496514)
   Exit: (201) [system] peek_char((0x55772f068e50), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _512524)
   Exit: (200) [system] get_char((0x55772f068e50), :)
   Call: (200) [system] (:)='('
   Fail: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Fail: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Fail: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Fail: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Fail: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Fail: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Fail: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), :, _494656)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _530166)
   Call: (202) [system] peek_char((0x55772f068e50), _531100)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _530166=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (201) [user] classify_and_convert_charseq([:], _494656)
^  Call: (202) [user] classify_and_convert_charseq_([:], _540384)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_541336, _541338), once(user:catch(read_from_chars([:], _540384), _541318, fail)), '$restore_trace'(_541336, _541338))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_541336, _541338))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _541318, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(:)
   Exit: (203) [system] atomic(:)
^  Exit: (202) [user] classify_and_convert_charseq_([:], :)
   Call: (202) [system] integer(:)
   Fail: (202) [system] integer(:)
   Call: (202) [system] _494656=(:)
   Exit: (202) [system] (:)=(:)
^  Exit: (201) [user] classify_and_convert_charseq([:], :)
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (199) [user] read_list(')', (0x55772f068e50), _553464)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _555322)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _564916)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _567620)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _584554)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _590124)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _591982)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _607992)
   Exit: (201) [system] get_char((0x55772f068e50), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), $, _590124)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _625634)
   Call: (203) [system] peek_char((0x55772f068e50), _626568)
   Exit: (203) [system] peek_char((0x55772f068e50), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_631288, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_632220, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x55772f068e50), p)
   Exit: (203) [system] get_char((0x55772f068e50), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _639570)
   Call: (204) [system] peek_char((0x55772f068e50), _640504)
   Exit: (204) [system] peek_char((0x55772f068e50), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_645224, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_646156, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x55772f068e50), r)
   Exit: (204) [system] get_char((0x55772f068e50), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _653506)
   Call: (205) [system] peek_char((0x55772f068e50), _654440)
   Exit: (205) [system] peek_char((0x55772f068e50), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_659160, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_660092, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x55772f068e50), o)
   Exit: (205) [system] get_char((0x55772f068e50), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _667442)
   Call: (206) [system] peek_char((0x55772f068e50), _668376)
   Exit: (206) [system] peek_char((0x55772f068e50), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_673096, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_674028, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x55772f068e50), o)
   Exit: (206) [system] get_char((0x55772f068e50), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _681378)
   Call: (207) [system] peek_char((0x55772f068e50), _682312)
   Exit: (207) [system] peek_char((0x55772f068e50), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Fail: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_687032, v('(', ')', end_of_file), f)
   Fail: (208) [system] arg(_687964, v('(', ')', end_of_file), f)
^  Fail: (207) [user] is_delimiter(f)
   Call: (207) [system] ')'==f
   Fail: (207) [system] ')'==f
   Call: (207) [system] get_char((0x55772f068e50), f)
   Exit: (207) [system] get_char((0x55772f068e50), f)
   Call: (207) [system] f=(\)
   Fail: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _695314)
   Call: (208) [system] peek_char((0x55772f068e50), _696248)
   Exit: (208) [system] peek_char((0x55772f068e50), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Fail: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_700968, v('(', ')', end_of_file), '1')
   Fail: (209) [system] arg(_701900, v('(', ')', end_of_file), '1')
^  Fail: (208) [user] is_delimiter('1')
   Call: (208) [system] ')'=='1'
   Fail: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x55772f068e50), '1')
   Exit: (208) [system] get_char((0x55772f068e50), '1')
   Call: (208) [system] '1'=(\)
   Fail: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _709250)
   Call: (209) [system] peek_char((0x55772f068e50), _710184)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _709250=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (208) [system] _695314=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), ['1'])
   Call: (207) [system] _681378=[f, '1']
   Exit: (207) [system] [f, '1']=[f, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '1'])
   Call: (206) [system] _667442=[o, f, '1']
   Exit: (206) [system] [o, f, '1']=[o, f, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '1'])
   Call: (205) [system] _653506=[o, o, f, '1']
   Exit: (205) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '1'])
   Call: (204) [system] _639570=[r, o, o, f, '1']
   Exit: (204) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '1'])
   Call: (203) [system] _625634=[p, r, o, o, f, '1']
   Exit: (203) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '1'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _590124)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _736232)
   Call: (204) [system] atom_chars(_737164, ['_', p, r, o, o, f, '1'])
   Exit: (204) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _proof1)
   Call: (203) [system] integer(_proof1)
   Fail: (203) [system] integer(_proof1)
   Call: (203) [system] _590124=_proof1
   Exit: (203) [system] _proof1=_proof1
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _proof1)
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), $, _proof1)
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), _proof1)
^  Call: (200) [user] read_list(')', (0x55772f068e50), _746456)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _748314)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _757908)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _760612)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _777546)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _783116)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _784974)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _800984)
   Exit: (202) [system] get_char((0x55772f068e50), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), $, _783116)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _818626)
   Call: (204) [system] peek_char((0x55772f068e50), _819560)
   Exit: (204) [system] peek_char((0x55772f068e50), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_824280, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_825212, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x55772f068e50), p)
   Exit: (204) [system] get_char((0x55772f068e50), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _832562)
   Call: (205) [system] peek_char((0x55772f068e50), _833496)
   Exit: (205) [system] peek_char((0x55772f068e50), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_838216, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_839148, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x55772f068e50), r)
   Exit: (205) [system] get_char((0x55772f068e50), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _846498)
   Call: (206) [system] peek_char((0x55772f068e50), _847432)
   Exit: (206) [system] peek_char((0x55772f068e50), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_852152, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_853084, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x55772f068e50), e)
   Exit: (206) [system] get_char((0x55772f068e50), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _860434)
   Call: (207) [system] peek_char((0x55772f068e50), _861368)
   Exit: (207) [system] peek_char((0x55772f068e50), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_866088, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_867020, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x55772f068e50), m)
   Exit: (207) [system] get_char((0x55772f068e50), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _874370)
   Call: (208) [system] peek_char((0x55772f068e50), _875304)
   Exit: (208) [system] peek_char((0x55772f068e50), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_880024, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_880956, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x55772f068e50), i)
   Exit: (208) [system] get_char((0x55772f068e50), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _888306)
   Call: (209) [system] peek_char((0x55772f068e50), _889240)
   Exit: (209) [system] peek_char((0x55772f068e50), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_893960, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_894892, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x55772f068e50), s)
   Exit: (209) [system] get_char((0x55772f068e50), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _902242)
   Call: (210) [system] peek_char((0x55772f068e50), _903176)
   Exit: (210) [system] peek_char((0x55772f068e50), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_907896, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_908828, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x55772f068e50), e)
   Exit: (210) [system] get_char((0x55772f068e50), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _916178)
   Call: (211) [system] peek_char((0x55772f068e50), _917112)
   Exit: (211) [system] peek_char((0x55772f068e50), '1')
^  Call: (211) [user] is_delimiter('1')
   Call: (212) [system] char_type('1', space)
   Fail: (212) [system] char_type('1', space)
   Call: (212) [system] arg(_921832, v('(', ')', end_of_file), '1')
   Fail: (212) [system] arg(_922764, v('(', ')', end_of_file), '1')
^  Fail: (211) [user] is_delimiter('1')
   Call: (211) [system] ')'=='1'
   Fail: (211) [system] ')'=='1'
   Call: (211) [system] get_char((0x55772f068e50), '1')
   Exit: (211) [system] get_char((0x55772f068e50), '1')
   Call: (211) [system] '1'=(\)
   Fail: (211) [system] '1'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _930114)
   Call: (212) [system] peek_char((0x55772f068e50), _931048)
   Exit: (212) [system] peek_char((0x55772f068e50), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_935768, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _930114=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (211) [system] _916178=['1']
   Exit: (211) [system] ['1']=['1']
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), ['1'])
   Call: (210) [system] _902242=[e, '1']
   Exit: (210) [system] [e, '1']=[e, '1']
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '1'])
   Call: (209) [system] _888306=[s, e, '1']
   Exit: (209) [system] [s, e, '1']=[s, e, '1']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '1'])
   Call: (208) [system] _874370=[i, s, e, '1']
   Exit: (208) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '1'])
   Call: (207) [system] _860434=[m, i, s, e, '1']
   Exit: (207) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '1'])
   Call: (206) [system] _846498=[e, m, i, s, e, '1']
   Exit: (206) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '1'])
   Call: (205) [system] _832562=[r, e, m, i, s, e, '1']
   Exit: (205) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '1'])
   Call: (204) [system] _818626=[p, r, e, m, i, s, e, '1']
   Exit: (204) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '1'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _783116)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _964556)
   Call: (205) [system] atom_chars(_965488, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (205) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _premise1)
   Call: (204) [system] integer(_premise1)
   Fail: (204) [system] integer(_premise1)
   Call: (204) [system] _783116=_premise1
   Exit: (204) [system] _premise1=_premise1
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), $, _premise1)
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), _premise1)
^  Call: (201) [user] read_list(')', (0x55772f068e50), _974780)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _976638)
   Exit: (203) [system] peek_char((0x55772f068e50), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _992648)
   Exit: (202) [system] peek_char((0x55772f068e50), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x55772f068e50), _996438)
   Exit: (202) [system] get_char((0x55772f068e50), ')')
   Call: (202) [system] _974780=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [])
   Call: (201) [system] _746456=[_premise1]
   Exit: (201) [system] [_premise1]=[_premise1]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [_premise1])
   Call: (200) [system] _553464=[_proof1, _premise1]
   Exit: (200) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [_proof1, _premise1])
   Call: (199) [system] _449638=[:, _proof1, _premise1]
   Exit: (199) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [:, _proof1, _premise1])
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), [:, _proof1, _premise1])
^  Call: (197) [user] read_list(')', (0x55772f068e50), _1010320)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1012178)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _1021772)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1024476)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1041410)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _1046980)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1048838)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _1064848)
   Exit: (199) [system] get_char((0x55772f068e50), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x55772f068e50), $, _1046980)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1082490)
   Call: (201) [system] peek_char((0x55772f068e50), _1083424)
   Exit: (201) [system] peek_char((0x55772f068e50), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Fail: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_1088144, v('(', ')', end_of_file), k)
   Fail: (202) [system] arg(_1089076, v('(', ')', end_of_file), k)
^  Fail: (201) [user] is_delimiter(k)
   Call: (201) [system] ')'==k
   Fail: (201) [system] ')'==k
   Call: (201) [system] get_char((0x55772f068e50), k)
   Exit: (201) [system] get_char((0x55772f068e50), k)
   Call: (201) [system] k=(\)
   Fail: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1096426)
   Call: (202) [system] peek_char((0x55772f068e50), _1097360)
   Exit: (202) [system] peek_char((0x55772f068e50), b)
^  Call: (202) [user] is_delimiter(b)
   Call: (203) [system] char_type(b, space)
   Fail: (203) [system] char_type(b, space)
   Call: (203) [system] arg(_1102080, v('(', ')', end_of_file), b)
   Fail: (203) [system] arg(_1103012, v('(', ')', end_of_file), b)
^  Fail: (202) [user] is_delimiter(b)
   Call: (202) [system] ')'==b
   Fail: (202) [system] ')'==b
   Call: (202) [system] get_char((0x55772f068e50), b)
   Exit: (202) [system] get_char((0x55772f068e50), b)
   Call: (202) [system] b=(\)
   Fail: (202) [system] b=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1110362)
   Call: (203) [system] peek_char((0x55772f068e50), _1111296)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1110362=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (202) [system] _1096426=[b]
   Exit: (202) [system] [b]=[b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (201) [system] _1082490=[k, b]
   Exit: (201) [system] [k, b]=[k, b]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [k, b])
^  Call: (200) [user] classify_and_convert_charseq([$, k, b], _1046980)
^  Call: (201) [user] classify_and_convert_charseq_([$, k, b], _1126168)
   Call: (202) [system] atom_chars(_1127100, ['_', k, b])
   Exit: (202) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (201) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (201) [system] integer(_kb)
   Fail: (201) [system] integer(_kb)
   Call: (201) [system] _1046980=_kb
   Exit: (201) [system] _kb=_kb
^  Exit: (200) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (199) [user] read_symbolic(')', (0x55772f068e50), $, _kb)
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), _kb)
^  Call: (198) [user] read_list(')', (0x55772f068e50), _1136392)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1138250)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _1147844)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1150548)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1167482)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _1173052)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1174910)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _1190920)
   Exit: (200) [system] get_char((0x55772f068e50), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), $, _1173052)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1208562)
   Call: (202) [system] peek_char((0x55772f068e50), _1209496)
   Exit: (202) [system] peek_char((0x55772f068e50), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_1214216, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_1215148, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x55772f068e50), r)
   Exit: (202) [system] get_char((0x55772f068e50), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1222498)
   Call: (203) [system] peek_char((0x55772f068e50), _1223432)
   Exit: (203) [system] peek_char((0x55772f068e50), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_1228152, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_1229084, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x55772f068e50), b)
   Exit: (203) [system] get_char((0x55772f068e50), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1236434)
   Call: (204) [system] peek_char((0x55772f068e50), _1237368)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1236434=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (203) [system] _1222498=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (202) [system] _1208562=[r, b]
   Exit: (202) [system] [r, b]=[r, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [r, b])
^  Call: (201) [user] classify_and_convert_charseq([$, r, b], _1173052)
^  Call: (202) [user] classify_and_convert_charseq_([$, r, b], _1252240)
   Call: (203) [system] atom_chars(_1253172, ['_', r, b])
   Exit: (203) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (202) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (202) [system] integer(_rb)
   Fail: (202) [system] integer(_rb)
   Call: (202) [system] _1173052=_rb
   Exit: (202) [system] _rb=_rb
^  Exit: (201) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), $, _rb)
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), _rb)
^  Call: (199) [user] read_list(')', (0x55772f068e50), _1262464)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1264322)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _1273916)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1276620)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1293554)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _1299124)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1300982)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _1316992)
   Exit: (201) [system] get_char((0x55772f068e50), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), $, _1299124)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1334634)
   Call: (203) [system] peek_char((0x55772f068e50), _1335568)
   Exit: (203) [system] peek_char((0x55772f068e50), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Fail: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_1340288, v('(', ')', end_of_file), k)
   Fail: (204) [system] arg(_1341220, v('(', ')', end_of_file), k)
^  Fail: (203) [user] is_delimiter(k)
   Call: (203) [system] ')'==k
   Fail: (203) [system] ')'==k
   Call: (203) [system] get_char((0x55772f068e50), k)
   Exit: (203) [system] get_char((0x55772f068e50), k)
   Call: (203) [system] k=(\)
   Fail: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1348570)
   Call: (204) [system] peek_char((0x55772f068e50), _1349504)
   Exit: (204) [system] peek_char((0x55772f068e50), ')')
^  Call: (204) [user] is_delimiter(')')
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] arg(_1354224, v('(', ')', end_of_file), ')')
   Exit: (205) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (204) [user] is_delimiter(')')
   Call: (204) [system] _1348570=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (203) [system] _1334634=[k]
   Exit: (203) [system] [k]=[k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
^  Call: (202) [user] classify_and_convert_charseq([$, k], _1299124)
^  Call: (203) [user] classify_and_convert_charseq_([$, k], _1363454)
   Call: (204) [system] atom_chars(_1364386, ['_', k])
   Exit: (204) [system] atom_chars('_k', ['_', k])
^  Exit: (203) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (203) [system] integer(_k)
   Fail: (203) [system] integer(_k)
   Call: (203) [system] _1299124=_k
   Exit: (203) [system] _k=_k
^  Exit: (202) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), $, _k)
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), _k)
^  Call: (200) [user] read_list(')', (0x55772f068e50), _1373678)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1375536)
   Exit: (202) [system] peek_char((0x55772f068e50), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1391546)
   Exit: (201) [system] peek_char((0x55772f068e50), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x55772f068e50), _1395336)
   Exit: (201) [system] get_char((0x55772f068e50), ')')
   Call: (201) [system] _1373678=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [])
   Call: (200) [system] _1262464=[_k]
   Exit: (200) [system] [_k]=[_k]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [_k])
   Call: (199) [system] _1136392=[_rb, _k]
   Exit: (199) [system] [_rb, _k]=[_rb, _k]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [_rb, _k])
   Call: (198) [system] _1010320=[_kb, _rb, _k]
   Exit: (198) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [_kb, _rb, _k])
   Call: (197) [system] _412978=[[:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (197) [system] [[:, _proof1, _premise1], _kb, _rb, _k]=[[:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [[:, _proof1, _premise1], _kb, _rb, _k])
   Call: (196) [system] _158582=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (196) [system] [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Call: (194) [user] read_list(')', (0x55772f068e50), _1414806)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1416664)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1432674)
   Exit: (195) [system] peek_char((0x55772f068e50), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x55772f068e50), _1436464)
   Exit: (195) [system] get_char((0x55772f068e50), ')')
   Call: (195) [system] _1414806=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [])
   Call: (194) [system] _121922=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (194) [system] [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Call: (193) [system] _3622=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (193) [system] [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Exit: (191) [user] cont_sexpr(')', (0x55772f068e50), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Call: (191) [user] read_list(')', (0x55772f068e50), _1447552)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1449410)
   Exit: (193) [system] peek_char((0x55772f068e50), '\n')
   Call: (193) [system] '\n'=(;)
   Fail: (193) [system] '\n'=(;)
   Call: (193) [system] '\n'=(/)
   Fail: (193) [system] '\n'=(/)
^  Call: (193) [user] is_like_space('\n')
   Call: (194) [system] char_type('\n', 'white')
   Fail: (194) [system] char_type('\n', 'white')
   Call: (194) [system] char_type('\n', end_of_line)
   Exit: (194) [system] char_type('\n', end_of_line)
^  Exit: (193) [user] is_like_space('\n')
   Call: (193) [system] get_char((0x55772f068e50), _1460860)
   Exit: (193) [system] get_char((0x55772f068e50), '\n')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1463564)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _1473158)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1475862)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _1485456)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1488160)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _1497754)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1500458)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _1510052)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1512756)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _1522350)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1525054)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _1534648)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1537352)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _1546946)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1549650)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _1559244)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1561948)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _1571542)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1574246)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _1583840)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1586544)
   Exit: (204) [system] peek_char((0x55772f068e50), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1612718)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _1618288)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1620146)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _1636156)
   Exit: (193) [system] get_char((0x55772f068e50), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x55772f068e50), _1618288)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1641726)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1657736)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _1663306)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1665164)
   Exit: (196) [system] peek_char((0x55772f068e50), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _1681174)
   Exit: (195) [system] get_char((0x55772f068e50), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x55772f068e50), _1663306)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1686744)
   Exit: (197) [system] peek_char((0x55772f068e50), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
   Call: (197) [system] (:)=(/)
   Fail: (197) [system] (:)=(/)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1702754)
   Exit: (196) [system] peek_char((0x55772f068e50), :)
   Call: (196) [system] (:)=')'
   Fail: (196) [system] (:)=')'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _1708324)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1710182)
   Exit: (198) [system] peek_char((0x55772f068e50), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
   Call: (198) [system] (:)=(/)
   Fail: (198) [system] (:)=(/)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _1726192)
   Exit: (197) [system] get_char((0x55772f068e50), :)
   Call: (197) [system] (:)='('
   Fail: (197) [system] (:)='('
   Call: (197) [system] (:)='['
   Fail: (197) [system] (:)='['
   Call: (197) [system] (:)='{'
   Fail: (197) [system] (:)='{'
   Call: (197) [system] (:)='"'
   Fail: (197) [system] (:)='"'
   Call: (197) [system] (:)=!
   Fail: (197) [system] (:)=!
   Call: (197) [system] (:)='\''
   Fail: (197) [system] (:)='\''
   Call: (197) [system] (:)='`'
   Fail: (197) [system] (:)='`'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x55772f068e50), :, _1708324)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1743834)
   Call: (199) [system] peek_char((0x55772f068e50), _1744768)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _1743834=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (198) [user] classify_and_convert_charseq([:], _1708324)
^  Call: (199) [user] classify_and_convert_charseq_([:], _1754052)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_1755004, _1755006), once(user:catch(read_from_chars([:], _1754052), _1754986, fail)), '$restore_trace'(_1755004, _1755006))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_1755004, _1755006))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1754986, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(:)
   Exit: (200) [system] atomic(:)
^  Exit: (199) [user] classify_and_convert_charseq_([:], :)
   Call: (199) [system] integer(:)
   Fail: (199) [system] integer(:)
   Call: (199) [system] _1708324=(:)
   Exit: (199) [system] (:)=(:)
^  Exit: (198) [user] classify_and_convert_charseq([:], :)
^  Exit: (197) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (196) [user] read_list(')', (0x55772f068e50), _1767132)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1768990)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _1778584)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1781288)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1798222)
   Exit: (197) [system] peek_char((0x55772f068e50), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _1803792)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1805650)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _1821660)
   Exit: (198) [system] get_char((0x55772f068e50), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x55772f068e50), $, _1803792)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1839302)
   Call: (200) [system] peek_char((0x55772f068e50), _1840236)
   Exit: (200) [system] peek_char((0x55772f068e50), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_1844956, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_1845888, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x55772f068e50), p)
   Exit: (200) [system] get_char((0x55772f068e50), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1853238)
   Call: (201) [system] peek_char((0x55772f068e50), _1854172)
   Exit: (201) [system] peek_char((0x55772f068e50), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Fail: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_1858892, v('(', ')', end_of_file), r)
   Fail: (202) [system] arg(_1859824, v('(', ')', end_of_file), r)
^  Fail: (201) [user] is_delimiter(r)
   Call: (201) [system] ')'==r
   Fail: (201) [system] ')'==r
   Call: (201) [system] get_char((0x55772f068e50), r)
   Exit: (201) [system] get_char((0x55772f068e50), r)
   Call: (201) [system] r=(\)
   Fail: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1867174)
   Call: (202) [system] peek_char((0x55772f068e50), _1868108)
   Exit: (202) [system] peek_char((0x55772f068e50), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_1872828, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_1873760, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x55772f068e50), o)
   Exit: (202) [system] get_char((0x55772f068e50), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1881110)
   Call: (203) [system] peek_char((0x55772f068e50), _1882044)
   Exit: (203) [system] peek_char((0x55772f068e50), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_1886764, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_1887696, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x55772f068e50), o)
   Exit: (203) [system] get_char((0x55772f068e50), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1895046)
   Call: (204) [system] peek_char((0x55772f068e50), _1895980)
   Exit: (204) [system] peek_char((0x55772f068e50), f)
^  Call: (204) [user] is_delimiter(f)
   Call: (205) [system] char_type(f, space)
   Fail: (205) [system] char_type(f, space)
   Call: (205) [system] arg(_1900700, v('(', ')', end_of_file), f)
   Fail: (205) [system] arg(_1901632, v('(', ')', end_of_file), f)
^  Fail: (204) [user] is_delimiter(f)
   Call: (204) [system] ')'==f
   Fail: (204) [system] ')'==f
   Call: (204) [system] get_char((0x55772f068e50), f)
   Exit: (204) [system] get_char((0x55772f068e50), f)
   Call: (204) [system] f=(\)
   Fail: (204) [system] f=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1908982)
   Call: (205) [system] peek_char((0x55772f068e50), _1909916)
   Exit: (205) [system] peek_char((0x55772f068e50), '2')
^  Call: (205) [user] is_delimiter('2')
   Call: (206) [system] char_type('2', space)
   Fail: (206) [system] char_type('2', space)
   Call: (206) [system] arg(_1914636, v('(', ')', end_of_file), '2')
   Fail: (206) [system] arg(_1915568, v('(', ')', end_of_file), '2')
^  Fail: (205) [user] is_delimiter('2')
   Call: (205) [system] ')'=='2'
   Fail: (205) [system] ')'=='2'
   Call: (205) [system] get_char((0x55772f068e50), '2')
   Exit: (205) [system] get_char((0x55772f068e50), '2')
   Call: (205) [system] '2'=(\)
   Fail: (205) [system] '2'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1922918)
   Call: (206) [system] peek_char((0x55772f068e50), _1923852)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1922918=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (205) [system] _1908982=['2']
   Exit: (205) [system] ['2']=['2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), ['2'])
   Call: (204) [system] _1895046=[f, '2']
   Exit: (204) [system] [f, '2']=[f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '2'])
   Call: (203) [system] _1881110=[o, f, '2']
   Exit: (203) [system] [o, f, '2']=[o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '2'])
   Call: (202) [system] _1867174=[o, o, f, '2']
   Exit: (202) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '2'])
   Call: (201) [system] _1853238=[r, o, o, f, '2']
   Exit: (201) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '2'])
   Call: (200) [system] _1839302=[p, r, o, o, f, '2']
   Exit: (200) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '2'])
^  Call: (199) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _1803792)
^  Call: (200) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _1949900)
   Call: (201) [system] atom_chars(_1950832, ['_', p, r, o, o, f, '2'])
   Exit: (201) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (200) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _proof2)
   Call: (200) [system] integer(_proof2)
   Fail: (200) [system] integer(_proof2)
   Call: (200) [system] _1803792=_proof2
   Exit: (200) [system] _proof2=_proof2
^  Exit: (199) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _proof2)
^  Exit: (198) [user] read_symbolic(')', (0x55772f068e50), $, _proof2)
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), _proof2)
^  Call: (197) [user] read_list(')', (0x55772f068e50), _1960124)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1961982)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _1971576)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1974280)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1991214)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _1996784)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1998642)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _2014652)
   Exit: (199) [system] get_char((0x55772f068e50), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x55772f068e50), $, _1996784)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _2032294)
   Call: (201) [system] peek_char((0x55772f068e50), _2033228)
   Exit: (201) [system] peek_char((0x55772f068e50), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_2037948, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_2038880, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x55772f068e50), p)
   Exit: (201) [system] get_char((0x55772f068e50), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _2046230)
   Call: (202) [system] peek_char((0x55772f068e50), _2047164)
   Exit: (202) [system] peek_char((0x55772f068e50), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_2051884, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_2052816, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x55772f068e50), r)
   Exit: (202) [system] get_char((0x55772f068e50), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _2060166)
   Call: (203) [system] peek_char((0x55772f068e50), _2061100)
   Exit: (203) [system] peek_char((0x55772f068e50), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_2065820, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_2066752, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x55772f068e50), e)
   Exit: (203) [system] get_char((0x55772f068e50), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _2074102)
   Call: (204) [system] peek_char((0x55772f068e50), _2075036)
   Exit: (204) [system] peek_char((0x55772f068e50), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_2079756, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_2080688, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x55772f068e50), m)
   Exit: (204) [system] get_char((0x55772f068e50), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _2088038)
   Call: (205) [system] peek_char((0x55772f068e50), _2088972)
   Exit: (205) [system] peek_char((0x55772f068e50), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_2093692, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_2094624, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x55772f068e50), i)
   Exit: (205) [system] get_char((0x55772f068e50), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _9006)
   Call: (206) [system] peek_char((0x55772f068e50), _9940)
   Exit: (206) [system] peek_char((0x55772f068e50), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_14660, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_15592, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x55772f068e50), s)
   Exit: (206) [system] get_char((0x55772f068e50), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _22942)
   Call: (207) [system] peek_char((0x55772f068e50), _23876)
   Exit: (207) [system] peek_char((0x55772f068e50), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_28596, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_29528, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x55772f068e50), e)
   Exit: (207) [system] get_char((0x55772f068e50), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _36878)
   Call: (208) [system] peek_char((0x55772f068e50), _37812)
   Exit: (208) [system] peek_char((0x55772f068e50), '2')
^  Call: (208) [user] is_delimiter('2')
   Call: (209) [system] char_type('2', space)
   Fail: (209) [system] char_type('2', space)
   Call: (209) [system] arg(_42532, v('(', ')', end_of_file), '2')
   Fail: (209) [system] arg(_43464, v('(', ')', end_of_file), '2')
^  Fail: (208) [user] is_delimiter('2')
   Call: (208) [system] ')'=='2'
   Fail: (208) [system] ')'=='2'
   Call: (208) [system] get_char((0x55772f068e50), '2')
   Exit: (208) [system] get_char((0x55772f068e50), '2')
   Call: (208) [system] '2'=(\)
   Fail: (208) [system] '2'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _50814)
   Call: (209) [system] peek_char((0x55772f068e50), _51748)
   Exit: (209) [system] peek_char((0x55772f068e50), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_56468, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _50814=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (208) [system] _36878=['2']
   Exit: (208) [system] ['2']=['2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), ['2'])
   Call: (207) [system] _22942=[e, '2']
   Exit: (207) [system] [e, '2']=[e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '2'])
   Call: (206) [system] _9006=[s, e, '2']
   Exit: (206) [system] [s, e, '2']=[s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '2'])
   Call: (205) [system] _3782=[i, s, e, '2']
   Exit: (205) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '2'])
   Call: (204) [system] _3778=[m, i, s, e, '2']
   Exit: (204) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '2'])
   Call: (203) [system] _3774=[e, m, i, s, e, '2']
   Exit: (203) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '2'])
   Call: (202) [system] _3770=[r, e, m, i, s, e, '2']
   Exit: (202) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '2'])
   Call: (201) [system] _3766=[p, r, e, m, i, s, e, '2']
   Exit: (201) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '2'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _3762)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _85256)
   Call: (202) [system] atom_chars(_86188, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (202) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _premise2)
   Call: (201) [system] integer(_premise2)
   Fail: (201) [system] integer(_premise2)
   Call: (201) [system] _3762=_premise2
   Exit: (201) [system] _premise2=_premise2
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (199) [user] read_symbolic(')', (0x55772f068e50), $, _premise2)
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), _premise2)
^  Call: (198) [user] read_list(')', (0x55772f068e50), _95480)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _97338)
   Exit: (200) [system] peek_char((0x55772f068e50), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
   Call: (200) [system] ')'=(/)
   Fail: (200) [system] ')'=(/)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _113348)
   Exit: (199) [system] peek_char((0x55772f068e50), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x55772f068e50), _117138)
   Exit: (199) [system] get_char((0x55772f068e50), ')')
   Call: (199) [system] _95480=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [])
   Call: (198) [system] _3758=[_premise2]
   Exit: (198) [system] [_premise2]=[_premise2]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [_premise2])
   Call: (197) [system] _3748=[_proof2, _premise2]
   Exit: (197) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [_proof2, _premise2])
   Call: (196) [system] _3740=[:, _proof2, _premise2]
   Exit: (196) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [:, _proof2, _premise2])
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), [:, _proof2, _premise2])
^  Call: (194) [user] read_list(')', (0x55772f068e50), _131020)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _132878)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _142472)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _145176)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _162110)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _167680)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _169538)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _185548)
   Exit: (196) [system] get_char((0x55772f068e50), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x55772f068e50), _167680)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _191118)
   Exit: (198) [system] peek_char((0x55772f068e50), s)
   Call: (198) [system] s=(;)
   Fail: (198) [system] s=(;)
   Call: (198) [system] s=(/)
   Fail: (198) [system] s=(/)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Fail: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Fail: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
   Fail: (199) [system] char_type(s, cntrl)
^  Fail: (198) [user] is_like_space(s)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _207128)
   Exit: (197) [system] peek_char((0x55772f068e50), s)
   Call: (197) [system] s=')'
   Fail: (197) [system] s=')'
   Call: (197) [system] s=end_of_file
   Fail: (197) [system] s=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _212698)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _214556)
   Exit: (199) [system] peek_char((0x55772f068e50), s)
   Call: (199) [system] s=(;)
   Fail: (199) [system] s=(;)
   Call: (199) [system] s=(/)
   Fail: (199) [system] s=(/)
^  Call: (199) [user] is_like_space(s)
   Call: (200) [system] char_type(s, 'white')
   Fail: (200) [system] char_type(s, 'white')
   Call: (200) [system] char_type(s, end_of_line)
   Fail: (200) [system] char_type(s, end_of_line)
   Call: (200) [system] char_type(s, space)
   Fail: (200) [system] char_type(s, space)
   Call: (200) [system] char_type(s, cntrl)
   Fail: (200) [system] char_type(s, cntrl)
^  Fail: (199) [user] is_like_space(s)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _230566)
   Exit: (198) [system] get_char((0x55772f068e50), s)
   Call: (198) [system] s='('
   Fail: (198) [system] s='('
   Call: (198) [system] s='['
   Fail: (198) [system] s='['
   Call: (198) [system] s='{'
   Fail: (198) [system] s='{'
   Call: (198) [system] s='"'
   Fail: (198) [system] s='"'
   Call: (198) [system] s=!
   Fail: (198) [system] s=!
   Call: (198) [system] s='\''
   Fail: (198) [system] s='\''
   Call: (198) [system] s='`'
   Fail: (198) [system] s='`'
   Call: (198) [system] s=end_of_file
   Fail: (198) [system] s=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x55772f068e50), s, _212698)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _248208)
   Call: (200) [system] peek_char((0x55772f068e50), _249142)
   Exit: (200) [system] peek_char((0x55772f068e50), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Fail: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_253862, v('(', ')', end_of_file), y)
   Fail: (201) [system] arg(_254794, v('(', ')', end_of_file), y)
^  Fail: (200) [user] is_delimiter(y)
   Call: (200) [system] ')'==y
   Fail: (200) [system] ')'==y
   Call: (200) [system] get_char((0x55772f068e50), y)
   Exit: (200) [system] get_char((0x55772f068e50), y)
   Call: (200) [system] y=(\)
   Fail: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _262144)
   Call: (201) [system] peek_char((0x55772f068e50), _263078)
   Exit: (201) [system] peek_char((0x55772f068e50), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_267798, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_268730, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x55772f068e50), n)
   Exit: (201) [system] get_char((0x55772f068e50), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _276080)
   Call: (202) [system] peek_char((0x55772f068e50), _277014)
   Exit: (202) [system] peek_char((0x55772f068e50), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Fail: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_281734, v('(', ')', end_of_file), t)
   Fail: (203) [system] arg(_282666, v('(', ')', end_of_file), t)
^  Fail: (202) [user] is_delimiter(t)
   Call: (202) [system] ')'==t
   Fail: (202) [system] ')'==t
   Call: (202) [system] get_char((0x55772f068e50), t)
   Exit: (202) [system] get_char((0x55772f068e50), t)
   Call: (202) [system] t=(\)
   Fail: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _290016)
   Call: (203) [system] peek_char((0x55772f068e50), _290950)
   Exit: (203) [system] peek_char((0x55772f068e50), h)
^  Call: (203) [user] is_delimiter(h)
   Call: (204) [system] char_type(h, space)
   Fail: (204) [system] char_type(h, space)
   Call: (204) [system] arg(_295670, v('(', ')', end_of_file), h)
   Fail: (204) [system] arg(_296602, v('(', ')', end_of_file), h)
^  Fail: (203) [user] is_delimiter(h)
   Call: (203) [system] ')'==h
   Fail: (203) [system] ')'==h
   Call: (203) [system] get_char((0x55772f068e50), h)
   Exit: (203) [system] get_char((0x55772f068e50), h)
   Call: (203) [system] h=(\)
   Fail: (203) [system] h=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _303952)
   Call: (204) [system] peek_char((0x55772f068e50), _304886)
   Exit: (204) [system] peek_char((0x55772f068e50), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_309606, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_310538, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x55772f068e50), e)
   Exit: (204) [system] get_char((0x55772f068e50), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _317888)
   Call: (205) [system] peek_char((0x55772f068e50), _318822)
   Exit: (205) [system] peek_char((0x55772f068e50), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_323542, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_324474, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x55772f068e50), s)
   Exit: (205) [system] get_char((0x55772f068e50), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _331824)
   Call: (206) [system] peek_char((0x55772f068e50), _332758)
   Exit: (206) [system] peek_char((0x55772f068e50), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_337478, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_338410, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x55772f068e50), i)
   Exit: (206) [system] get_char((0x55772f068e50), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _345760)
   Call: (207) [system] peek_char((0x55772f068e50), _346694)
   Exit: (207) [system] peek_char((0x55772f068e50), z)
^  Call: (207) [user] is_delimiter(z)
   Call: (208) [system] char_type(z, space)
   Fail: (208) [system] char_type(z, space)
   Call: (208) [system] arg(_351414, v('(', ')', end_of_file), z)
   Fail: (208) [system] arg(_352346, v('(', ')', end_of_file), z)
^  Fail: (207) [user] is_delimiter(z)
   Call: (207) [system] ')'==z
   Fail: (207) [system] ')'==z
   Call: (207) [system] get_char((0x55772f068e50), z)
   Exit: (207) [system] get_char((0x55772f068e50), z)
   Call: (207) [system] z=(\)
   Fail: (207) [system] z=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _359696)
   Call: (208) [system] peek_char((0x55772f068e50), _360630)
   Exit: (208) [system] peek_char((0x55772f068e50), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_365350, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_366282, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x55772f068e50), e)
   Exit: (208) [system] get_char((0x55772f068e50), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _373632)
   Call: (209) [system] peek_char((0x55772f068e50), _374566)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _373632=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (208) [system] _359696=[e]
   Exit: (208) [system] [e]=[e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (207) [system] _345760=[z, e]
   Exit: (207) [system] [z, e]=[z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [z, e])
   Call: (206) [system] _331824=[i, z, e]
   Exit: (206) [system] [i, z, e]=[i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [i, z, e])
   Call: (205) [system] _317888=[s, i, z, e]
   Exit: (205) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [s, i, z, e])
   Call: (204) [system] _303952=[e, s, i, z, e]
   Exit: (204) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [e, s, i, z, e])
   Call: (203) [system] _290016=[h, e, s, i, z, e]
   Exit: (203) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [h, e, s, i, z, e])
   Call: (202) [system] _276080=[t, h, e, s, i, z, e]
   Exit: (202) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [t, h, e, s, i, z, e])
   Call: (201) [system] _262144=[n, t, h, e, s, i, z, e]
   Exit: (201) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, h, e, s, i, z, e])
   Call: (200) [system] _248208=[y, n, t, h, e, s, i, z, e]
   Exit: (200) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [y, n, t, h, e, s, i, z, e])
^  Call: (199) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _212698)
^  Call: (200) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _408996)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_409948, _409950), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _408996), _409930, fail)), '$restore_trace'(_409948, _409950))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_409948, _409950))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _409930, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(synthesize)
   Exit: (201) [system] atomic(synthesize)
^  Exit: (200) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (200) [system] integer(synthesize)
   Fail: (200) [system] integer(synthesize)
   Call: (200) [system] _212698=synthesize
   Exit: (200) [system] synthesize=synthesize
^  Exit: (199) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (198) [user] read_symbolic(')', (0x55772f068e50), s, synthesize)
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), synthesize)
^  Call: (197) [user] read_list(')', (0x55772f068e50), _422076)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _423934)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _433528)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _436232)
   Exit: (200) [system] peek_char((0x55772f068e50), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _453166)
   Exit: (198) [system] peek_char((0x55772f068e50), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _458736)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _460594)
   Exit: (200) [system] peek_char((0x55772f068e50), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _476604)
   Exit: (199) [system] get_char((0x55772f068e50), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x55772f068e50), _458736)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _482174)
   Exit: (201) [system] peek_char((0x55772f068e50), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _498184)
   Exit: (200) [system] peek_char((0x55772f068e50), :)
   Call: (200) [system] (:)=')'
   Fail: (200) [system] (:)=')'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _503754)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _505612)
   Exit: (202) [system] peek_char((0x55772f068e50), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
   Call: (202) [system] (:)=(/)
   Fail: (202) [system] (:)=(/)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _521622)
   Exit: (201) [system] get_char((0x55772f068e50), :)
   Call: (201) [system] (:)='('
   Fail: (201) [system] (:)='('
   Call: (201) [system] (:)='['
   Fail: (201) [system] (:)='['
   Call: (201) [system] (:)='{'
   Fail: (201) [system] (:)='{'
   Call: (201) [system] (:)='"'
   Fail: (201) [system] (:)='"'
   Call: (201) [system] (:)=!
   Fail: (201) [system] (:)=!
   Call: (201) [system] (:)='\''
   Fail: (201) [system] (:)='\''
   Call: (201) [system] (:)='`'
   Fail: (201) [system] (:)='`'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), :, _503754)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _539264)
   Call: (203) [system] peek_char((0x55772f068e50), _540198)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _539264=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (202) [user] classify_and_convert_charseq([:], _503754)
^  Call: (203) [user] classify_and_convert_charseq_([:], _549482)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_550434, _550436), once(user:catch(read_from_chars([:], _549482), _550416, fail)), '$restore_trace'(_550434, _550436))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_550434, _550436))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _550416, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(:)
   Exit: (204) [system] atomic(:)
^  Exit: (203) [user] classify_and_convert_charseq_([:], :)
   Call: (203) [system] integer(:)
   Fail: (203) [system] integer(:)
   Call: (203) [system] _503754=(:)
   Exit: (203) [system] (:)=(:)
^  Exit: (202) [user] classify_and_convert_charseq([:], :)
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (200) [user] read_list(')', (0x55772f068e50), _562562)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _564420)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _574014)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _576718)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _593652)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _599222)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _601080)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _617090)
   Exit: (202) [system] get_char((0x55772f068e50), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), $, _599222)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _634732)
   Call: (204) [system] peek_char((0x55772f068e50), _635666)
   Exit: (204) [system] peek_char((0x55772f068e50), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_640386, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_641318, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x55772f068e50), p)
   Exit: (204) [system] get_char((0x55772f068e50), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _648668)
   Call: (205) [system] peek_char((0x55772f068e50), _649602)
   Exit: (205) [system] peek_char((0x55772f068e50), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_654322, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_655254, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x55772f068e50), r)
   Exit: (205) [system] get_char((0x55772f068e50), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _662604)
   Call: (206) [system] peek_char((0x55772f068e50), _663538)
   Exit: (206) [system] peek_char((0x55772f068e50), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_668258, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_669190, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x55772f068e50), o)
   Exit: (206) [system] get_char((0x55772f068e50), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _676540)
   Call: (207) [system] peek_char((0x55772f068e50), _677474)
   Exit: (207) [system] peek_char((0x55772f068e50), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_682194, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_683126, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x55772f068e50), o)
   Exit: (207) [system] get_char((0x55772f068e50), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _690476)
   Call: (208) [system] peek_char((0x55772f068e50), _691410)
   Exit: (208) [system] peek_char((0x55772f068e50), f)
^  Call: (208) [user] is_delimiter(f)
   Call: (209) [system] char_type(f, space)
   Fail: (209) [system] char_type(f, space)
   Call: (209) [system] arg(_696130, v('(', ')', end_of_file), f)
   Fail: (209) [system] arg(_697062, v('(', ')', end_of_file), f)
^  Fail: (208) [user] is_delimiter(f)
   Call: (208) [system] ')'==f
   Fail: (208) [system] ')'==f
   Call: (208) [system] get_char((0x55772f068e50), f)
   Exit: (208) [system] get_char((0x55772f068e50), f)
   Call: (208) [system] f=(\)
   Fail: (208) [system] f=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _704412)
   Call: (209) [system] peek_char((0x55772f068e50), _705346)
   Exit: (209) [system] peek_char((0x55772f068e50), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Fail: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_710066, v('(', ')', end_of_file), '2')
   Fail: (210) [system] arg(_710998, v('(', ')', end_of_file), '2')
^  Fail: (209) [user] is_delimiter('2')
   Call: (209) [system] ')'=='2'
   Fail: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x55772f068e50), '2')
   Exit: (209) [system] get_char((0x55772f068e50), '2')
   Call: (209) [system] '2'=(\)
   Fail: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _718348)
   Call: (210) [system] peek_char((0x55772f068e50), _719282)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _718348=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (209) [system] _704412=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), ['2'])
   Call: (208) [system] _690476=[f, '2']
   Exit: (208) [system] [f, '2']=[f, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '2'])
   Call: (207) [system] _676540=[o, f, '2']
   Exit: (207) [system] [o, f, '2']=[o, f, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '2'])
   Call: (206) [system] _662604=[o, o, f, '2']
   Exit: (206) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '2'])
   Call: (205) [system] _648668=[r, o, o, f, '2']
   Exit: (205) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '2'])
   Call: (204) [system] _634732=[p, r, o, o, f, '2']
   Exit: (204) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '2'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _599222)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _745330)
   Call: (205) [system] atom_chars(_746262, ['_', p, r, o, o, f, '2'])
   Exit: (205) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _proof2)
   Call: (204) [system] integer(_proof2)
   Fail: (204) [system] integer(_proof2)
   Call: (204) [system] _599222=_proof2
   Exit: (204) [system] _proof2=_proof2
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _proof2)
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), $, _proof2)
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), _proof2)
^  Call: (201) [user] read_list(')', (0x55772f068e50), _755554)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _757412)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _767006)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _769710)
   Exit: (204) [system] peek_char((0x55772f068e50), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _786644)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x55772f068e50), _792214)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _794072)
   Exit: (204) [system] peek_char((0x55772f068e50), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] get_char((0x55772f068e50), _810082)
   Exit: (203) [system] get_char((0x55772f068e50), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x55772f068e50), $, _792214)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _827724)
   Call: (205) [system] peek_char((0x55772f068e50), _828658)
   Exit: (205) [system] peek_char((0x55772f068e50), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Fail: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_833378, v('(', ')', end_of_file), p)
   Fail: (206) [system] arg(_834310, v('(', ')', end_of_file), p)
^  Fail: (205) [user] is_delimiter(p)
   Call: (205) [system] ')'==p
   Fail: (205) [system] ')'==p
   Call: (205) [system] get_char((0x55772f068e50), p)
   Exit: (205) [system] get_char((0x55772f068e50), p)
   Call: (205) [system] p=(\)
   Fail: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _841660)
   Call: (206) [system] peek_char((0x55772f068e50), _842594)
   Exit: (206) [system] peek_char((0x55772f068e50), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_847314, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_848246, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x55772f068e50), r)
   Exit: (206) [system] get_char((0x55772f068e50), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _855596)
   Call: (207) [system] peek_char((0x55772f068e50), _856530)
   Exit: (207) [system] peek_char((0x55772f068e50), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_861250, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_862182, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x55772f068e50), e)
   Exit: (207) [system] get_char((0x55772f068e50), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _869532)
   Call: (208) [system] peek_char((0x55772f068e50), _870466)
   Exit: (208) [system] peek_char((0x55772f068e50), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_875186, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_876118, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x55772f068e50), m)
   Exit: (208) [system] get_char((0x55772f068e50), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _883468)
   Call: (209) [system] peek_char((0x55772f068e50), _884402)
   Exit: (209) [system] peek_char((0x55772f068e50), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_889122, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_890054, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x55772f068e50), i)
   Exit: (209) [system] get_char((0x55772f068e50), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _897404)
   Call: (210) [system] peek_char((0x55772f068e50), _898338)
   Exit: (210) [system] peek_char((0x55772f068e50), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Fail: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_903058, v('(', ')', end_of_file), s)
   Fail: (211) [system] arg(_903990, v('(', ')', end_of_file), s)
^  Fail: (210) [user] is_delimiter(s)
   Call: (210) [system] ')'==s
   Fail: (210) [system] ')'==s
   Call: (210) [system] get_char((0x55772f068e50), s)
   Exit: (210) [system] get_char((0x55772f068e50), s)
   Call: (210) [system] s=(\)
   Fail: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _911340)
   Call: (211) [system] peek_char((0x55772f068e50), _912274)
   Exit: (211) [system] peek_char((0x55772f068e50), e)
^  Call: (211) [user] is_delimiter(e)
   Call: (212) [system] char_type(e, space)
   Fail: (212) [system] char_type(e, space)
   Call: (212) [system] arg(_916994, v('(', ')', end_of_file), e)
   Fail: (212) [system] arg(_917926, v('(', ')', end_of_file), e)
^  Fail: (211) [user] is_delimiter(e)
   Call: (211) [system] ')'==e
   Fail: (211) [system] ')'==e
   Call: (211) [system] get_char((0x55772f068e50), e)
   Exit: (211) [system] get_char((0x55772f068e50), e)
   Call: (211) [system] e=(\)
   Fail: (211) [system] e=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _925276)
   Call: (212) [system] peek_char((0x55772f068e50), _926210)
   Exit: (212) [system] peek_char((0x55772f068e50), '2')
^  Call: (212) [user] is_delimiter('2')
   Call: (213) [system] char_type('2', space)
   Fail: (213) [system] char_type('2', space)
   Call: (213) [system] arg(_930930, v('(', ')', end_of_file), '2')
   Fail: (213) [system] arg(_931862, v('(', ')', end_of_file), '2')
^  Fail: (212) [user] is_delimiter('2')
   Call: (212) [system] ')'=='2'
   Fail: (212) [system] ')'=='2'
   Call: (212) [system] get_char((0x55772f068e50), '2')
   Exit: (212) [system] get_char((0x55772f068e50), '2')
   Call: (212) [system] '2'=(\)
   Fail: (212) [system] '2'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _939212)
   Call: (213) [system] peek_char((0x55772f068e50), _940146)
   Exit: (213) [system] peek_char((0x55772f068e50), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_944866, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _939212=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (212) [system] _925276=['2']
   Exit: (212) [system] ['2']=['2']
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), ['2'])
   Call: (211) [system] _911340=[e, '2']
   Exit: (211) [system] [e, '2']=[e, '2']
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '2'])
   Call: (210) [system] _897404=[s, e, '2']
   Exit: (210) [system] [s, e, '2']=[s, e, '2']
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '2'])
   Call: (209) [system] _883468=[i, s, e, '2']
   Exit: (209) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '2'])
   Call: (208) [system] _869532=[m, i, s, e, '2']
   Exit: (208) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '2'])
   Call: (207) [system] _855596=[e, m, i, s, e, '2']
   Exit: (207) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '2'])
   Call: (206) [system] _841660=[r, e, m, i, s, e, '2']
   Exit: (206) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '2'])
   Call: (205) [system] _827724=[p, r, e, m, i, s, e, '2']
   Exit: (205) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '2'])
^  Call: (204) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _792214)
^  Call: (205) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _973654)
   Call: (206) [system] atom_chars(_974586, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (206) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (205) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _premise2)
   Call: (205) [system] integer(_premise2)
   Fail: (205) [system] integer(_premise2)
   Call: (205) [system] _792214=_premise2
   Exit: (205) [system] _premise2=_premise2
^  Exit: (204) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (203) [user] read_symbolic(')', (0x55772f068e50), $, _premise2)
^  Exit: (202) [user] cont_sexpr(')', (0x55772f068e50), _premise2)
^  Call: (202) [user] read_list(')', (0x55772f068e50), _983878)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _985736)
   Exit: (204) [system] peek_char((0x55772f068e50), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1001746)
   Exit: (203) [system] peek_char((0x55772f068e50), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x55772f068e50), _1005536)
   Exit: (203) [system] get_char((0x55772f068e50), ')')
   Call: (203) [system] _983878=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x55772f068e50), [])
   Call: (202) [system] _755554=[_premise2]
   Exit: (202) [system] [_premise2]=[_premise2]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [_premise2])
   Call: (201) [system] _562562=[_proof2, _premise2]
   Exit: (201) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [_proof2, _premise2])
   Call: (200) [system] _458736=[:, _proof2, _premise2]
   Exit: (200) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [:, _proof2, _premise2])
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), [:, _proof2, _premise2])
^  Call: (198) [user] read_list(')', (0x55772f068e50), _1019418)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1021276)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _1030870)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1033574)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1050508)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _1056078)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1057936)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _1073946)
   Exit: (200) [system] get_char((0x55772f068e50), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), $, _1056078)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1091588)
   Call: (202) [system] peek_char((0x55772f068e50), _1092522)
   Exit: (202) [system] peek_char((0x55772f068e50), k)
^  Call: (202) [user] is_delimiter(k)
   Call: (203) [system] char_type(k, space)
   Fail: (203) [system] char_type(k, space)
   Call: (203) [system] arg(_1097242, v('(', ')', end_of_file), k)
   Fail: (203) [system] arg(_1098174, v('(', ')', end_of_file), k)
^  Fail: (202) [user] is_delimiter(k)
   Call: (202) [system] ')'==k
   Fail: (202) [system] ')'==k
   Call: (202) [system] get_char((0x55772f068e50), k)
   Exit: (202) [system] get_char((0x55772f068e50), k)
   Call: (202) [system] k=(\)
   Fail: (202) [system] k=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1105524)
   Call: (203) [system] peek_char((0x55772f068e50), _1106458)
   Exit: (203) [system] peek_char((0x55772f068e50), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_1111178, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_1112110, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x55772f068e50), b)
   Exit: (203) [system] get_char((0x55772f068e50), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1119460)
   Call: (204) [system] peek_char((0x55772f068e50), _1120394)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1119460=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (203) [system] _1105524=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (202) [system] _1091588=[k, b]
   Exit: (202) [system] [k, b]=[k, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [k, b])
^  Call: (201) [user] classify_and_convert_charseq([$, k, b], _1056078)
^  Call: (202) [user] classify_and_convert_charseq_([$, k, b], _1135266)
   Call: (203) [system] atom_chars(_1136198, ['_', k, b])
   Exit: (203) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (202) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (202) [system] integer(_kb)
   Fail: (202) [system] integer(_kb)
   Call: (202) [system] _1056078=_kb
   Exit: (202) [system] _kb=_kb
^  Exit: (201) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), $, _kb)
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), _kb)
^  Call: (199) [user] read_list(')', (0x55772f068e50), _1145490)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1147348)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _1156942)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1159646)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1176580)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _1182150)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1184008)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _1200018)
   Exit: (201) [system] get_char((0x55772f068e50), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), $, _1182150)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1217660)
   Call: (203) [system] peek_char((0x55772f068e50), _1218594)
   Exit: (203) [system] peek_char((0x55772f068e50), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_1223314, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_1224246, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x55772f068e50), r)
   Exit: (203) [system] get_char((0x55772f068e50), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1231596)
   Call: (204) [system] peek_char((0x55772f068e50), _1232530)
   Exit: (204) [system] peek_char((0x55772f068e50), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Fail: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_1237250, v('(', ')', end_of_file), b)
   Fail: (205) [system] arg(_1238182, v('(', ')', end_of_file), b)
^  Fail: (204) [user] is_delimiter(b)
   Call: (204) [system] ')'==b
   Fail: (204) [system] ')'==b
   Call: (204) [system] get_char((0x55772f068e50), b)
   Exit: (204) [system] get_char((0x55772f068e50), b)
   Call: (204) [system] b=(\)
   Fail: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1245532)
   Call: (205) [system] peek_char((0x55772f068e50), _1246466)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1245532=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (204) [system] _1231596=[b]
   Exit: (204) [system] [b]=[b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (203) [system] _1217660=[r, b]
   Exit: (203) [system] [r, b]=[r, b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [r, b])
^  Call: (202) [user] classify_and_convert_charseq([$, r, b], _1182150)
^  Call: (203) [user] classify_and_convert_charseq_([$, r, b], _1261338)
   Call: (204) [system] atom_chars(_1262270, ['_', r, b])
   Exit: (204) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (203) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (203) [system] integer(_rb)
   Fail: (203) [system] integer(_rb)
   Call: (203) [system] _1182150=_rb
   Exit: (203) [system] _rb=_rb
^  Exit: (202) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), $, _rb)
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), _rb)
^  Call: (200) [user] read_list(')', (0x55772f068e50), _1271562)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1273420)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _1283014)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1285718)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1302652)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _1308222)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1310080)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _1326090)
   Exit: (202) [system] get_char((0x55772f068e50), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), $, _1308222)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1343732)
   Call: (204) [system] peek_char((0x55772f068e50), _1344666)
   Exit: (204) [system] peek_char((0x55772f068e50), k)
^  Call: (204) [user] is_delimiter(k)
   Call: (205) [system] char_type(k, space)
   Fail: (205) [system] char_type(k, space)
   Call: (205) [system] arg(_1349386, v('(', ')', end_of_file), k)
   Fail: (205) [system] arg(_1350318, v('(', ')', end_of_file), k)
^  Fail: (204) [user] is_delimiter(k)
   Call: (204) [system] ')'==k
   Fail: (204) [system] ')'==k
   Call: (204) [system] get_char((0x55772f068e50), k)
   Exit: (204) [system] get_char((0x55772f068e50), k)
   Call: (204) [system] k=(\)
   Fail: (204) [system] k=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1357668)
   Call: (205) [system] peek_char((0x55772f068e50), _1358602)
   Exit: (205) [system] peek_char((0x55772f068e50), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_1363322, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _1357668=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (204) [system] _1343732=[k]
   Exit: (204) [system] [k]=[k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
^  Call: (203) [user] classify_and_convert_charseq([$, k], _1308222)
^  Call: (204) [user] classify_and_convert_charseq_([$, k], _1372552)
   Call: (205) [system] atom_chars(_1373484, ['_', k])
   Exit: (205) [system] atom_chars('_k', ['_', k])
^  Exit: (204) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (204) [system] integer(_k)
   Fail: (204) [system] integer(_k)
   Call: (204) [system] _1308222=_k
   Exit: (204) [system] _k=_k
^  Exit: (203) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), $, _k)
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), _k)
^  Call: (201) [user] read_list(')', (0x55772f068e50), _1382776)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1384634)
   Exit: (203) [system] peek_char((0x55772f068e50), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1400644)
   Exit: (202) [system] peek_char((0x55772f068e50), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x55772f068e50), _1404434)
   Exit: (202) [system] get_char((0x55772f068e50), ')')
   Call: (202) [system] _1382776=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [])
   Call: (201) [system] _1271562=[_k]
   Exit: (201) [system] [_k]=[_k]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [_k])
   Call: (200) [system] _1145490=[_rb, _k]
   Exit: (200) [system] [_rb, _k]=[_rb, _k]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [_rb, _k])
   Call: (199) [system] _1019418=[_kb, _rb, _k]
   Exit: (199) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [_kb, _rb, _k])
   Call: (198) [system] _422076=[[:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (198) [system] [[:, _proof2, _premise2], _kb, _rb, _k]=[[:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [[:, _proof2, _premise2], _kb, _rb, _k])
   Call: (197) [system] _167680=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (197) [system] [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Call: (195) [user] read_list(')', (0x55772f068e50), _1423904)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1425762)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1441772)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x55772f068e50), _1445562)
   Exit: (196) [system] get_char((0x55772f068e50), ')')
   Call: (196) [system] _1423904=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [])
   Call: (195) [system] _131020=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (195) [system] [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Call: (194) [system] _3734=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (194) [system] [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Call: (192) [user] read_list(')', (0x55772f068e50), _1456650)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1458508)
   Exit: (194) [system] peek_char((0x55772f068e50), '\n')
   Call: (194) [system] '\n'=(;)
   Fail: (194) [system] '\n'=(;)
   Call: (194) [system] '\n'=(/)
   Fail: (194) [system] '\n'=(/)
^  Call: (194) [user] is_like_space('\n')
   Call: (195) [system] char_type('\n', 'white')
   Fail: (195) [system] char_type('\n', 'white')
   Call: (195) [system] char_type('\n', end_of_line)
   Exit: (195) [system] char_type('\n', end_of_line)
^  Exit: (194) [user] is_like_space('\n')
   Call: (194) [system] get_char((0x55772f068e50), _1469958)
   Exit: (194) [system] get_char((0x55772f068e50), '\n')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1472662)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _1482256)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1484960)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _1494554)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1497258)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _1506852)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1509556)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _1519150)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1521854)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _1531448)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1534152)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _1543746)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1546450)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _1556044)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1558748)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _1568342)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1571046)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _1580640)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1583344)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x55772f068e50), _1592938)
   Exit: (204) [system] get_char((0x55772f068e50), ' ')
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1595642)
   Exit: (205) [system] peek_char((0x55772f068e50), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1621816)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _1627386)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1629244)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _1645254)
   Exit: (194) [system] get_char((0x55772f068e50), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x55772f068e50), _1627386)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1650824)
   Exit: (196) [system] peek_char((0x55772f068e50), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1666834)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _1672404)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1674262)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _1690272)
   Exit: (196) [system] get_char((0x55772f068e50), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x55772f068e50), _1672404)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1695842)
   Exit: (198) [system] peek_char((0x55772f068e50), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
   Call: (198) [system] (:)=(/)
   Fail: (198) [system] (:)=(/)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1711852)
   Exit: (197) [system] peek_char((0x55772f068e50), :)
   Call: (197) [system] (:)=')'
   Fail: (197) [system] (:)=')'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _1717422)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1719280)
   Exit: (199) [system] peek_char((0x55772f068e50), :)
   Call: (199) [system] (:)=(;)
   Fail: (199) [system] (:)=(;)
   Call: (199) [system] (:)=(/)
   Fail: (199) [system] (:)=(/)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Fail: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Fail: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
   Fail: (200) [system] char_type(:, cntrl)
^  Fail: (199) [user] is_like_space(:)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _1735290)
   Exit: (198) [system] get_char((0x55772f068e50), :)
   Call: (198) [system] (:)='('
   Fail: (198) [system] (:)='('
   Call: (198) [system] (:)='['
   Fail: (198) [system] (:)='['
   Call: (198) [system] (:)='{'
   Fail: (198) [system] (:)='{'
   Call: (198) [system] (:)='"'
   Fail: (198) [system] (:)='"'
   Call: (198) [system] (:)=!
   Fail: (198) [system] (:)=!
   Call: (198) [system] (:)='\''
   Fail: (198) [system] (:)='\''
   Call: (198) [system] (:)='`'
   Fail: (198) [system] (:)='`'
   Call: (198) [system] (:)=end_of_file
   Fail: (198) [system] (:)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x55772f068e50), :, _1717422)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1752932)
   Call: (200) [system] peek_char((0x55772f068e50), _1753866)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _1752932=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (199) [user] classify_and_convert_charseq([:], _1717422)
^  Call: (200) [user] classify_and_convert_charseq_([:], _1763150)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_1764102, _1764104), once(user:catch(read_from_chars([:], _1763150), _1764084, fail)), '$restore_trace'(_1764102, _1764104))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_1764102, _1764104))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1764084, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(:)
   Exit: (201) [system] atomic(:)
^  Exit: (200) [user] classify_and_convert_charseq_([:], :)
   Call: (200) [system] integer(:)
   Fail: (200) [system] integer(:)
   Call: (200) [system] _1717422=(:)
   Exit: (200) [system] (:)=(:)
^  Exit: (199) [user] classify_and_convert_charseq([:], :)
^  Exit: (198) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (197) [user] read_list(')', (0x55772f068e50), _1776230)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1778088)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _1787682)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1790386)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1807320)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _1812890)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1814748)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _1830758)
   Exit: (199) [system] get_char((0x55772f068e50), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x55772f068e50), $, _1812890)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1848400)
   Call: (201) [system] peek_char((0x55772f068e50), _1849334)
   Exit: (201) [system] peek_char((0x55772f068e50), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_1854054, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_1854986, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x55772f068e50), p)
   Exit: (201) [system] get_char((0x55772f068e50), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1862336)
   Call: (202) [system] peek_char((0x55772f068e50), _1863270)
   Exit: (202) [system] peek_char((0x55772f068e50), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_1867990, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_1868922, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x55772f068e50), r)
   Exit: (202) [system] get_char((0x55772f068e50), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1876272)
   Call: (203) [system] peek_char((0x55772f068e50), _1877206)
   Exit: (203) [system] peek_char((0x55772f068e50), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_1881926, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_1882858, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x55772f068e50), o)
   Exit: (203) [system] get_char((0x55772f068e50), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1890208)
   Call: (204) [system] peek_char((0x55772f068e50), _1891142)
   Exit: (204) [system] peek_char((0x55772f068e50), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1895862, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_1896794, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x55772f068e50), o)
   Exit: (204) [system] get_char((0x55772f068e50), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1904144)
   Call: (205) [system] peek_char((0x55772f068e50), _1905078)
   Exit: (205) [system] peek_char((0x55772f068e50), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Fail: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_1909798, v('(', ')', end_of_file), f)
   Fail: (206) [system] arg(_1910730, v('(', ')', end_of_file), f)
^  Fail: (205) [user] is_delimiter(f)
   Call: (205) [system] ')'==f
   Fail: (205) [system] ')'==f
   Call: (205) [system] get_char((0x55772f068e50), f)
   Exit: (205) [system] get_char((0x55772f068e50), f)
   Call: (205) [system] f=(\)
   Fail: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1918080)
   Call: (206) [system] peek_char((0x55772f068e50), _1919014)
   Exit: (206) [system] peek_char((0x55772f068e50), '3')
^  Call: (206) [user] is_delimiter('3')
   Call: (207) [system] char_type('3', space)
   Fail: (207) [system] char_type('3', space)
   Call: (207) [system] arg(_1923734, v('(', ')', end_of_file), '3')
   Fail: (207) [system] arg(_1924666, v('(', ')', end_of_file), '3')
^  Fail: (206) [user] is_delimiter('3')
   Call: (206) [system] ')'=='3'
   Fail: (206) [system] ')'=='3'
   Call: (206) [system] get_char((0x55772f068e50), '3')
   Exit: (206) [system] get_char((0x55772f068e50), '3')
   Call: (206) [system] '3'=(\)
   Fail: (206) [system] '3'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1932016)
   Call: (207) [system] peek_char((0x55772f068e50), _1932950)
   Exit: (207) [system] peek_char((0x55772f068e50), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1932016=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (206) [system] _1918080=['3']
   Exit: (206) [system] ['3']=['3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), ['3'])
   Call: (205) [system] _1904144=[f, '3']
   Exit: (205) [system] [f, '3']=[f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '3'])
   Call: (204) [system] _1890208=[o, f, '3']
   Exit: (204) [system] [o, f, '3']=[o, f, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '3'])
   Call: (203) [system] _1876272=[o, o, f, '3']
   Exit: (203) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '3'])
   Call: (202) [system] _1862336=[r, o, o, f, '3']
   Exit: (202) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '3'])
   Call: (201) [system] _1848400=[p, r, o, o, f, '3']
   Exit: (201) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '3'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _1812890)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _1958998)
   Call: (202) [system] atom_chars(_1959930, ['_', p, r, o, o, f, '3'])
   Exit: (202) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _proof3)
   Call: (201) [system] integer(_proof3)
   Fail: (201) [system] integer(_proof3)
   Call: (201) [system] _1812890=_proof3
   Exit: (201) [system] _proof3=_proof3
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _proof3)
^  Exit: (199) [user] read_symbolic(')', (0x55772f068e50), $, _proof3)
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), _proof3)
^  Call: (198) [user] read_list(')', (0x55772f068e50), _1969222)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1971080)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _1980674)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1983378)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _2000312)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _2005882)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _2007740)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _2023750)
   Exit: (200) [system] get_char((0x55772f068e50), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), $, _2005882)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _2041392)
   Call: (202) [system] peek_char((0x55772f068e50), _2042326)
   Exit: (202) [system] peek_char((0x55772f068e50), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_2047046, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_2047978, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x55772f068e50), p)
   Exit: (202) [system] get_char((0x55772f068e50), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _2055328)
   Call: (203) [system] peek_char((0x55772f068e50), _2056262)
   Exit: (203) [system] peek_char((0x55772f068e50), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_2060982, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_2061914, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x55772f068e50), r)
   Exit: (203) [system] get_char((0x55772f068e50), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _2069264)
   Call: (204) [system] peek_char((0x55772f068e50), _2070198)
   Exit: (204) [system] peek_char((0x55772f068e50), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_2074918, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_2075850, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x55772f068e50), e)
   Exit: (204) [system] get_char((0x55772f068e50), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _2083200)
   Call: (205) [system] peek_char((0x55772f068e50), _2084134)
   Exit: (205) [system] peek_char((0x55772f068e50), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Fail: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_2088854, v('(', ')', end_of_file), m)
   Fail: (206) [system] arg(_2089786, v('(', ')', end_of_file), m)
^  Fail: (205) [user] is_delimiter(m)
   Call: (205) [system] ')'==m
   Fail: (205) [system] ')'==m
   Call: (205) [system] get_char((0x55772f068e50), m)
   Exit: (205) [system] get_char((0x55772f068e50), m)
   Call: (205) [system] m=(\)
   Fail: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _4246)
   Call: (206) [system] peek_char((0x55772f068e50), _5180)
   Exit: (206) [system] peek_char((0x55772f068e50), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_9900, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_10832, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x55772f068e50), i)
   Exit: (206) [system] get_char((0x55772f068e50), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _18182)
   Call: (207) [system] peek_char((0x55772f068e50), _19116)
   Exit: (207) [system] peek_char((0x55772f068e50), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_23836, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_24768, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x55772f068e50), s)
   Exit: (207) [system] get_char((0x55772f068e50), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _32118)
   Call: (208) [system] peek_char((0x55772f068e50), _33052)
   Exit: (208) [system] peek_char((0x55772f068e50), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_37772, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_38704, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x55772f068e50), e)
   Exit: (208) [system] get_char((0x55772f068e50), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _46054)
   Call: (209) [system] peek_char((0x55772f068e50), _46988)
   Exit: (209) [system] peek_char((0x55772f068e50), '3')
^  Call: (209) [user] is_delimiter('3')
   Call: (210) [system] char_type('3', space)
   Fail: (210) [system] char_type('3', space)
   Call: (210) [system] arg(_51708, v('(', ')', end_of_file), '3')
   Fail: (210) [system] arg(_52640, v('(', ')', end_of_file), '3')
^  Fail: (209) [user] is_delimiter('3')
   Call: (209) [system] ')'=='3'
   Fail: (209) [system] ')'=='3'
   Call: (209) [system] get_char((0x55772f068e50), '3')
   Exit: (209) [system] get_char((0x55772f068e50), '3')
   Call: (209) [system] '3'=(\)
   Fail: (209) [system] '3'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _59990)
   Call: (210) [system] peek_char((0x55772f068e50), _60924)
   Exit: (210) [system] peek_char((0x55772f068e50), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_65644, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _59990=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (209) [system] _46054=['3']
   Exit: (209) [system] ['3']=['3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), ['3'])
   Call: (208) [system] _32118=[e, '3']
   Exit: (208) [system] [e, '3']=[e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '3'])
   Call: (207) [system] _18182=[s, e, '3']
   Exit: (207) [system] [s, e, '3']=[s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '3'])
   Call: (206) [system] _4246=[i, s, e, '3']
   Exit: (206) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '3'])
   Call: (205) [system] _3890=[m, i, s, e, '3']
   Exit: (205) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '3'])
   Call: (204) [system] _3886=[e, m, i, s, e, '3']
   Exit: (204) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '3'])
   Call: (203) [system] _3882=[r, e, m, i, s, e, '3']
   Exit: (203) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '3'])
   Call: (202) [system] _3878=[p, r, e, m, i, s, e, '3']
   Exit: (202) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '3'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _3874)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _94432)
   Call: (203) [system] atom_chars(_95364, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (203) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _premise3)
   Call: (202) [system] integer(_premise3)
   Fail: (202) [system] integer(_premise3)
   Call: (202) [system] _3874=_premise3
   Exit: (202) [system] _premise3=_premise3
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), $, _premise3)
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), _premise3)
^  Call: (199) [user] read_list(')', (0x55772f068e50), _104656)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _106514)
   Exit: (201) [system] peek_char((0x55772f068e50), ')')
   Call: (201) [system] ')'=(;)
   Fail: (201) [system] ')'=(;)
   Call: (201) [system] ')'=(/)
   Fail: (201) [system] ')'=(/)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Fail: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Fail: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
   Fail: (202) [system] char_type(')', cntrl)
^  Fail: (201) [user] is_like_space(')')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _122524)
   Exit: (200) [system] peek_char((0x55772f068e50), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x55772f068e50), _126314)
   Exit: (200) [system] get_char((0x55772f068e50), ')')
   Call: (200) [system] _104656=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [])
   Call: (199) [system] _3870=[_premise3]
   Exit: (199) [system] [_premise3]=[_premise3]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [_premise3])
   Call: (198) [system] _3860=[_proof3, _premise3]
   Exit: (198) [system] [_proof3, _premise3]=[_proof3, _premise3]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [_proof3, _premise3])
   Call: (197) [system] _3852=[:, _proof3, _premise3]
   Exit: (197) [system] [:, _proof3, _premise3]=[:, _proof3, _premise3]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [:, _proof3, _premise3])
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), [:, _proof3, _premise3])
^  Call: (195) [user] read_list(')', (0x55772f068e50), _140196)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _142054)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _151648)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _154352)
   Exit: (198) [system] peek_char((0x55772f068e50), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _171286)
   Exit: (196) [system] peek_char((0x55772f068e50), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _176856)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _178714)
   Exit: (198) [system] peek_char((0x55772f068e50), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _194724)
   Exit: (197) [system] get_char((0x55772f068e50), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x55772f068e50), _176856)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _200294)
   Exit: (199) [system] peek_char((0x55772f068e50), s)
   Call: (199) [system] s=(;)
   Fail: (199) [system] s=(;)
   Call: (199) [system] s=(/)
   Fail: (199) [system] s=(/)
^  Call: (199) [user] is_like_space(s)
   Call: (200) [system] char_type(s, 'white')
   Fail: (200) [system] char_type(s, 'white')
   Call: (200) [system] char_type(s, end_of_line)
   Fail: (200) [system] char_type(s, end_of_line)
   Call: (200) [system] char_type(s, space)
   Fail: (200) [system] char_type(s, space)
   Call: (200) [system] char_type(s, cntrl)
   Fail: (200) [system] char_type(s, cntrl)
^  Fail: (199) [user] is_like_space(s)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _216304)
   Exit: (198) [system] peek_char((0x55772f068e50), s)
   Call: (198) [system] s=')'
   Fail: (198) [system] s=')'
   Call: (198) [system] s=end_of_file
   Fail: (198) [system] s=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _221874)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _223732)
   Exit: (200) [system] peek_char((0x55772f068e50), s)
   Call: (200) [system] s=(;)
   Fail: (200) [system] s=(;)
   Call: (200) [system] s=(/)
   Fail: (200) [system] s=(/)
^  Call: (200) [user] is_like_space(s)
   Call: (201) [system] char_type(s, 'white')
   Fail: (201) [system] char_type(s, 'white')
   Call: (201) [system] char_type(s, end_of_line)
   Fail: (201) [system] char_type(s, end_of_line)
   Call: (201) [system] char_type(s, space)
   Fail: (201) [system] char_type(s, space)
   Call: (201) [system] char_type(s, cntrl)
   Fail: (201) [system] char_type(s, cntrl)
^  Fail: (200) [user] is_like_space(s)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _239742)
   Exit: (199) [system] get_char((0x55772f068e50), s)
   Call: (199) [system] s='('
   Fail: (199) [system] s='('
   Call: (199) [system] s='['
   Fail: (199) [system] s='['
   Call: (199) [system] s='{'
   Fail: (199) [system] s='{'
   Call: (199) [system] s='"'
   Fail: (199) [system] s='"'
   Call: (199) [system] s=!
   Fail: (199) [system] s=!
   Call: (199) [system] s='\''
   Fail: (199) [system] s='\''
   Call: (199) [system] s='`'
   Fail: (199) [system] s='`'
   Call: (199) [system] s=end_of_file
   Fail: (199) [system] s=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x55772f068e50), s, _221874)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _257384)
   Call: (201) [system] peek_char((0x55772f068e50), _258318)
   Exit: (201) [system] peek_char((0x55772f068e50), y)
^  Call: (201) [user] is_delimiter(y)
   Call: (202) [system] char_type(y, space)
   Fail: (202) [system] char_type(y, space)
   Call: (202) [system] arg(_263038, v('(', ')', end_of_file), y)
   Fail: (202) [system] arg(_263970, v('(', ')', end_of_file), y)
^  Fail: (201) [user] is_delimiter(y)
   Call: (201) [system] ')'==y
   Fail: (201) [system] ')'==y
   Call: (201) [system] get_char((0x55772f068e50), y)
   Exit: (201) [system] get_char((0x55772f068e50), y)
   Call: (201) [system] y=(\)
   Fail: (201) [system] y=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _271320)
   Call: (202) [system] peek_char((0x55772f068e50), _272254)
   Exit: (202) [system] peek_char((0x55772f068e50), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Fail: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_276974, v('(', ')', end_of_file), n)
   Fail: (203) [system] arg(_277906, v('(', ')', end_of_file), n)
^  Fail: (202) [user] is_delimiter(n)
   Call: (202) [system] ')'==n
   Fail: (202) [system] ')'==n
   Call: (202) [system] get_char((0x55772f068e50), n)
   Exit: (202) [system] get_char((0x55772f068e50), n)
   Call: (202) [system] n=(\)
   Fail: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _285256)
   Call: (203) [system] peek_char((0x55772f068e50), _286190)
   Exit: (203) [system] peek_char((0x55772f068e50), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Fail: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_290910, v('(', ')', end_of_file), t)
   Fail: (204) [system] arg(_291842, v('(', ')', end_of_file), t)
^  Fail: (203) [user] is_delimiter(t)
   Call: (203) [system] ')'==t
   Fail: (203) [system] ')'==t
   Call: (203) [system] get_char((0x55772f068e50), t)
   Exit: (203) [system] get_char((0x55772f068e50), t)
   Call: (203) [system] t=(\)
   Fail: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _299192)
   Call: (204) [system] peek_char((0x55772f068e50), _300126)
   Exit: (204) [system] peek_char((0x55772f068e50), h)
^  Call: (204) [user] is_delimiter(h)
   Call: (205) [system] char_type(h, space)
   Fail: (205) [system] char_type(h, space)
   Call: (205) [system] arg(_304846, v('(', ')', end_of_file), h)
   Fail: (205) [system] arg(_305778, v('(', ')', end_of_file), h)
^  Fail: (204) [user] is_delimiter(h)
   Call: (204) [system] ')'==h
   Fail: (204) [system] ')'==h
   Call: (204) [system] get_char((0x55772f068e50), h)
   Exit: (204) [system] get_char((0x55772f068e50), h)
   Call: (204) [system] h=(\)
   Fail: (204) [system] h=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _313128)
   Call: (205) [system] peek_char((0x55772f068e50), _314062)
   Exit: (205) [system] peek_char((0x55772f068e50), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Fail: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_318782, v('(', ')', end_of_file), e)
   Fail: (206) [system] arg(_319714, v('(', ')', end_of_file), e)
^  Fail: (205) [user] is_delimiter(e)
   Call: (205) [system] ')'==e
   Fail: (205) [system] ')'==e
   Call: (205) [system] get_char((0x55772f068e50), e)
   Exit: (205) [system] get_char((0x55772f068e50), e)
   Call: (205) [system] e=(\)
   Fail: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _327064)
   Call: (206) [system] peek_char((0x55772f068e50), _327998)
   Exit: (206) [system] peek_char((0x55772f068e50), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_332718, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_333650, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x55772f068e50), s)
   Exit: (206) [system] get_char((0x55772f068e50), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _341000)
   Call: (207) [system] peek_char((0x55772f068e50), _341934)
   Exit: (207) [system] peek_char((0x55772f068e50), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_346654, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_347586, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x55772f068e50), i)
   Exit: (207) [system] get_char((0x55772f068e50), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _354936)
   Call: (208) [system] peek_char((0x55772f068e50), _355870)
   Exit: (208) [system] peek_char((0x55772f068e50), z)
^  Call: (208) [user] is_delimiter(z)
   Call: (209) [system] char_type(z, space)
   Fail: (209) [system] char_type(z, space)
   Call: (209) [system] arg(_360590, v('(', ')', end_of_file), z)
   Fail: (209) [system] arg(_361522, v('(', ')', end_of_file), z)
^  Fail: (208) [user] is_delimiter(z)
   Call: (208) [system] ')'==z
   Fail: (208) [system] ')'==z
   Call: (208) [system] get_char((0x55772f068e50), z)
   Exit: (208) [system] get_char((0x55772f068e50), z)
   Call: (208) [system] z=(\)
   Fail: (208) [system] z=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _368872)
   Call: (209) [system] peek_char((0x55772f068e50), _369806)
   Exit: (209) [system] peek_char((0x55772f068e50), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_374526, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_375458, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x55772f068e50), e)
   Exit: (209) [system] get_char((0x55772f068e50), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _382808)
   Call: (210) [system] peek_char((0x55772f068e50), _383742)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _382808=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (209) [system] _368872=[e]
   Exit: (209) [system] [e]=[e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (208) [system] _354936=[z, e]
   Exit: (208) [system] [z, e]=[z, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [z, e])
   Call: (207) [system] _341000=[i, z, e]
   Exit: (207) [system] [i, z, e]=[i, z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [i, z, e])
   Call: (206) [system] _327064=[s, i, z, e]
   Exit: (206) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [s, i, z, e])
   Call: (205) [system] _313128=[e, s, i, z, e]
   Exit: (205) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [e, s, i, z, e])
   Call: (204) [system] _299192=[h, e, s, i, z, e]
   Exit: (204) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [h, e, s, i, z, e])
   Call: (203) [system] _285256=[t, h, e, s, i, z, e]
   Exit: (203) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [t, h, e, s, i, z, e])
   Call: (202) [system] _271320=[n, t, h, e, s, i, z, e]
   Exit: (202) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, h, e, s, i, z, e])
   Call: (201) [system] _257384=[y, n, t, h, e, s, i, z, e]
   Exit: (201) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [y, n, t, h, e, s, i, z, e])
^  Call: (200) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _221874)
^  Call: (201) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _418172)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_419124, _419126), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _418172), _419106, fail)), '$restore_trace'(_419124, _419126))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_419124, _419126))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _419106, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(synthesize)
   Exit: (202) [system] atomic(synthesize)
^  Exit: (201) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (201) [system] integer(synthesize)
   Fail: (201) [system] integer(synthesize)
   Call: (201) [system] _221874=synthesize
   Exit: (201) [system] synthesize=synthesize
^  Exit: (200) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (199) [user] read_symbolic(')', (0x55772f068e50), s, synthesize)
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), synthesize)
^  Call: (198) [user] read_list(')', (0x55772f068e50), _431252)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _433110)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _442704)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _445408)
   Exit: (201) [system] peek_char((0x55772f068e50), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _462342)
   Exit: (199) [system] peek_char((0x55772f068e50), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _467912)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _469770)
   Exit: (201) [system] peek_char((0x55772f068e50), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _485780)
   Exit: (200) [system] get_char((0x55772f068e50), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x55772f068e50), _467912)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _491350)
   Exit: (202) [system] peek_char((0x55772f068e50), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
   Call: (202) [system] (:)=(/)
   Fail: (202) [system] (:)=(/)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _507360)
   Exit: (201) [system] peek_char((0x55772f068e50), :)
   Call: (201) [system] (:)=')'
   Fail: (201) [system] (:)=')'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _512930)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _514788)
   Exit: (203) [system] peek_char((0x55772f068e50), :)
   Call: (203) [system] (:)=(;)
   Fail: (203) [system] (:)=(;)
   Call: (203) [system] (:)=(/)
   Fail: (203) [system] (:)=(/)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Fail: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Fail: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Fail: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
   Fail: (204) [system] char_type(:, cntrl)
^  Fail: (203) [user] is_like_space(:)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _530798)
   Exit: (202) [system] get_char((0x55772f068e50), :)
   Call: (202) [system] (:)='('
   Fail: (202) [system] (:)='('
   Call: (202) [system] (:)='['
   Fail: (202) [system] (:)='['
   Call: (202) [system] (:)='{'
   Fail: (202) [system] (:)='{'
   Call: (202) [system] (:)='"'
   Fail: (202) [system] (:)='"'
   Call: (202) [system] (:)=!
   Fail: (202) [system] (:)=!
   Call: (202) [system] (:)='\''
   Fail: (202) [system] (:)='\''
   Call: (202) [system] (:)='`'
   Fail: (202) [system] (:)='`'
   Call: (202) [system] (:)=end_of_file
   Fail: (202) [system] (:)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), :, _512930)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _548440)
   Call: (204) [system] peek_char((0x55772f068e50), _549374)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _548440=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (203) [user] classify_and_convert_charseq([:], _512930)
^  Call: (204) [user] classify_and_convert_charseq_([:], _558658)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_559610, _559612), once(user:catch(read_from_chars([:], _558658), _559592, fail)), '$restore_trace'(_559610, _559612))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_559610, _559612))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _559592, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(:)
   Exit: (205) [system] atomic(:)
^  Exit: (204) [user] classify_and_convert_charseq_([:], :)
   Call: (204) [system] integer(:)
   Fail: (204) [system] integer(:)
   Call: (204) [system] _512930=(:)
   Exit: (204) [system] (:)=(:)
^  Exit: (203) [user] classify_and_convert_charseq([:], :)
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (201) [user] read_list(')', (0x55772f068e50), _571738)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _573596)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _583190)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _585894)
   Exit: (204) [system] peek_char((0x55772f068e50), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _602828)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x55772f068e50), _608398)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _610256)
   Exit: (204) [system] peek_char((0x55772f068e50), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] get_char((0x55772f068e50), _626266)
   Exit: (203) [system] get_char((0x55772f068e50), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x55772f068e50), $, _608398)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _643908)
   Call: (205) [system] peek_char((0x55772f068e50), _644842)
   Exit: (205) [system] peek_char((0x55772f068e50), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Fail: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_649562, v('(', ')', end_of_file), p)
   Fail: (206) [system] arg(_650494, v('(', ')', end_of_file), p)
^  Fail: (205) [user] is_delimiter(p)
   Call: (205) [system] ')'==p
   Fail: (205) [system] ')'==p
   Call: (205) [system] get_char((0x55772f068e50), p)
   Exit: (205) [system] get_char((0x55772f068e50), p)
   Call: (205) [system] p=(\)
   Fail: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _657844)
   Call: (206) [system] peek_char((0x55772f068e50), _658778)
   Exit: (206) [system] peek_char((0x55772f068e50), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_663498, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_664430, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x55772f068e50), r)
   Exit: (206) [system] get_char((0x55772f068e50), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _671780)
   Call: (207) [system] peek_char((0x55772f068e50), _672714)
   Exit: (207) [system] peek_char((0x55772f068e50), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_677434, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_678366, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x55772f068e50), o)
   Exit: (207) [system] get_char((0x55772f068e50), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _685716)
   Call: (208) [system] peek_char((0x55772f068e50), _686650)
   Exit: (208) [system] peek_char((0x55772f068e50), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Fail: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_691370, v('(', ')', end_of_file), o)
   Fail: (209) [system] arg(_692302, v('(', ')', end_of_file), o)
^  Fail: (208) [user] is_delimiter(o)
   Call: (208) [system] ')'==o
   Fail: (208) [system] ')'==o
   Call: (208) [system] get_char((0x55772f068e50), o)
   Exit: (208) [system] get_char((0x55772f068e50), o)
   Call: (208) [system] o=(\)
   Fail: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _699652)
   Call: (209) [system] peek_char((0x55772f068e50), _700586)
   Exit: (209) [system] peek_char((0x55772f068e50), f)
^  Call: (209) [user] is_delimiter(f)
   Call: (210) [system] char_type(f, space)
   Fail: (210) [system] char_type(f, space)
   Call: (210) [system] arg(_705306, v('(', ')', end_of_file), f)
   Fail: (210) [system] arg(_706238, v('(', ')', end_of_file), f)
^  Fail: (209) [user] is_delimiter(f)
   Call: (209) [system] ')'==f
   Fail: (209) [system] ')'==f
   Call: (209) [system] get_char((0x55772f068e50), f)
   Exit: (209) [system] get_char((0x55772f068e50), f)
   Call: (209) [system] f=(\)
   Fail: (209) [system] f=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _713588)
   Call: (210) [system] peek_char((0x55772f068e50), _714522)
   Exit: (210) [system] peek_char((0x55772f068e50), '3')
^  Call: (210) [user] is_delimiter('3')
   Call: (211) [system] char_type('3', space)
   Fail: (211) [system] char_type('3', space)
   Call: (211) [system] arg(_719242, v('(', ')', end_of_file), '3')
   Fail: (211) [system] arg(_720174, v('(', ')', end_of_file), '3')
^  Fail: (210) [user] is_delimiter('3')
   Call: (210) [system] ')'=='3'
   Fail: (210) [system] ')'=='3'
   Call: (210) [system] get_char((0x55772f068e50), '3')
   Exit: (210) [system] get_char((0x55772f068e50), '3')
   Call: (210) [system] '3'=(\)
   Fail: (210) [system] '3'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _727524)
   Call: (211) [system] peek_char((0x55772f068e50), _728458)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _727524=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (210) [system] _713588=['3']
   Exit: (210) [system] ['3']=['3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), ['3'])
   Call: (209) [system] _699652=[f, '3']
   Exit: (209) [system] [f, '3']=[f, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '3'])
   Call: (208) [system] _685716=[o, f, '3']
   Exit: (208) [system] [o, f, '3']=[o, f, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '3'])
   Call: (207) [system] _671780=[o, o, f, '3']
   Exit: (207) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '3'])
   Call: (206) [system] _657844=[r, o, o, f, '3']
   Exit: (206) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '3'])
   Call: (205) [system] _643908=[p, r, o, o, f, '3']
   Exit: (205) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '3'])
^  Call: (204) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _608398)
^  Call: (205) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _754506)
   Call: (206) [system] atom_chars(_755438, ['_', p, r, o, o, f, '3'])
   Exit: (206) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (205) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _proof3)
   Call: (205) [system] integer(_proof3)
   Fail: (205) [system] integer(_proof3)
   Call: (205) [system] _608398=_proof3
   Exit: (205) [system] _proof3=_proof3
^  Exit: (204) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _proof3)
^  Exit: (203) [user] read_symbolic(')', (0x55772f068e50), $, _proof3)
^  Exit: (202) [user] cont_sexpr(')', (0x55772f068e50), _proof3)
^  Call: (202) [user] read_list(')', (0x55772f068e50), _764730)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _766588)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x55772f068e50), _776182)
   Exit: (204) [system] get_char((0x55772f068e50), ' ')
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _778886)
   Exit: (205) [system] peek_char((0x55772f068e50), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _795820)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=')'
   Fail: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x55772f068e50), _801390)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _803248)
   Exit: (205) [system] peek_char((0x55772f068e50), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] get_char((0x55772f068e50), _819258)
   Exit: (204) [system] get_char((0x55772f068e50), $)
   Call: (204) [system] ($)='('
   Fail: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Fail: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Fail: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Fail: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Fail: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Fail: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Fail: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x55772f068e50), $, _801390)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _836900)
   Call: (206) [system] peek_char((0x55772f068e50), _837834)
   Exit: (206) [system] peek_char((0x55772f068e50), p)
^  Call: (206) [user] is_delimiter(p)
   Call: (207) [system] char_type(p, space)
   Fail: (207) [system] char_type(p, space)
   Call: (207) [system] arg(_842554, v('(', ')', end_of_file), p)
   Fail: (207) [system] arg(_843486, v('(', ')', end_of_file), p)
^  Fail: (206) [user] is_delimiter(p)
   Call: (206) [system] ')'==p
   Fail: (206) [system] ')'==p
   Call: (206) [system] get_char((0x55772f068e50), p)
   Exit: (206) [system] get_char((0x55772f068e50), p)
   Call: (206) [system] p=(\)
   Fail: (206) [system] p=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _850836)
   Call: (207) [system] peek_char((0x55772f068e50), _851770)
   Exit: (207) [system] peek_char((0x55772f068e50), r)
^  Call: (207) [user] is_delimiter(r)
   Call: (208) [system] char_type(r, space)
   Fail: (208) [system] char_type(r, space)
   Call: (208) [system] arg(_856490, v('(', ')', end_of_file), r)
   Fail: (208) [system] arg(_857422, v('(', ')', end_of_file), r)
^  Fail: (207) [user] is_delimiter(r)
   Call: (207) [system] ')'==r
   Fail: (207) [system] ')'==r
   Call: (207) [system] get_char((0x55772f068e50), r)
   Exit: (207) [system] get_char((0x55772f068e50), r)
   Call: (207) [system] r=(\)
   Fail: (207) [system] r=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _864772)
   Call: (208) [system] peek_char((0x55772f068e50), _865706)
   Exit: (208) [system] peek_char((0x55772f068e50), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_870426, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_871358, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x55772f068e50), e)
   Exit: (208) [system] get_char((0x55772f068e50), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _878708)
   Call: (209) [system] peek_char((0x55772f068e50), _879642)
   Exit: (209) [system] peek_char((0x55772f068e50), m)
^  Call: (209) [user] is_delimiter(m)
   Call: (210) [system] char_type(m, space)
   Fail: (210) [system] char_type(m, space)
   Call: (210) [system] arg(_884362, v('(', ')', end_of_file), m)
   Fail: (210) [system] arg(_885294, v('(', ')', end_of_file), m)
^  Fail: (209) [user] is_delimiter(m)
   Call: (209) [system] ')'==m
   Fail: (209) [system] ')'==m
   Call: (209) [system] get_char((0x55772f068e50), m)
   Exit: (209) [system] get_char((0x55772f068e50), m)
   Call: (209) [system] m=(\)
   Fail: (209) [system] m=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _892644)
   Call: (210) [system] peek_char((0x55772f068e50), _893578)
   Exit: (210) [system] peek_char((0x55772f068e50), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_898298, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_899230, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x55772f068e50), i)
   Exit: (210) [system] get_char((0x55772f068e50), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _906580)
   Call: (211) [system] peek_char((0x55772f068e50), _907514)
   Exit: (211) [system] peek_char((0x55772f068e50), s)
^  Call: (211) [user] is_delimiter(s)
   Call: (212) [system] char_type(s, space)
   Fail: (212) [system] char_type(s, space)
   Call: (212) [system] arg(_912234, v('(', ')', end_of_file), s)
   Fail: (212) [system] arg(_913166, v('(', ')', end_of_file), s)
^  Fail: (211) [user] is_delimiter(s)
   Call: (211) [system] ')'==s
   Fail: (211) [system] ')'==s
   Call: (211) [system] get_char((0x55772f068e50), s)
   Exit: (211) [system] get_char((0x55772f068e50), s)
   Call: (211) [system] s=(\)
   Fail: (211) [system] s=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _920516)
   Call: (212) [system] peek_char((0x55772f068e50), _921450)
   Exit: (212) [system] peek_char((0x55772f068e50), e)
^  Call: (212) [user] is_delimiter(e)
   Call: (213) [system] char_type(e, space)
   Fail: (213) [system] char_type(e, space)
   Call: (213) [system] arg(_926170, v('(', ')', end_of_file), e)
   Fail: (213) [system] arg(_927102, v('(', ')', end_of_file), e)
^  Fail: (212) [user] is_delimiter(e)
   Call: (212) [system] ')'==e
   Fail: (212) [system] ')'==e
   Call: (212) [system] get_char((0x55772f068e50), e)
   Exit: (212) [system] get_char((0x55772f068e50), e)
   Call: (212) [system] e=(\)
   Fail: (212) [system] e=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _934452)
   Call: (213) [system] peek_char((0x55772f068e50), _935386)
   Exit: (213) [system] peek_char((0x55772f068e50), '3')
^  Call: (213) [user] is_delimiter('3')
   Call: (214) [system] char_type('3', space)
   Fail: (214) [system] char_type('3', space)
   Call: (214) [system] arg(_940106, v('(', ')', end_of_file), '3')
   Fail: (214) [system] arg(_941038, v('(', ')', end_of_file), '3')
^  Fail: (213) [user] is_delimiter('3')
   Call: (213) [system] ')'=='3'
   Fail: (213) [system] ')'=='3'
   Call: (213) [system] get_char((0x55772f068e50), '3')
   Exit: (213) [system] get_char((0x55772f068e50), '3')
   Call: (213) [system] '3'=(\)
   Fail: (213) [system] '3'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _948388)
   Call: (214) [system] peek_char((0x55772f068e50), _949322)
   Exit: (214) [system] peek_char((0x55772f068e50), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_954042, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _948388=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (213) [system] _934452=['3']
   Exit: (213) [system] ['3']=['3']
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), ['3'])
   Call: (212) [system] _920516=[e, '3']
   Exit: (212) [system] [e, '3']=[e, '3']
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '3'])
   Call: (211) [system] _906580=[s, e, '3']
   Exit: (211) [system] [s, e, '3']=[s, e, '3']
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '3'])
   Call: (210) [system] _892644=[i, s, e, '3']
   Exit: (210) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '3'])
   Call: (209) [system] _878708=[m, i, s, e, '3']
   Exit: (209) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '3'])
   Call: (208) [system] _864772=[e, m, i, s, e, '3']
   Exit: (208) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '3'])
   Call: (207) [system] _850836=[r, e, m, i, s, e, '3']
   Exit: (207) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '3'])
   Call: (206) [system] _836900=[p, r, e, m, i, s, e, '3']
   Exit: (206) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '3'])
^  Call: (205) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _801390)
^  Call: (206) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _982830)
   Call: (207) [system] atom_chars(_983762, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (207) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (206) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _premise3)
   Call: (206) [system] integer(_premise3)
   Fail: (206) [system] integer(_premise3)
   Call: (206) [system] _801390=_premise3
   Exit: (206) [system] _premise3=_premise3
^  Exit: (205) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (204) [user] read_symbolic(')', (0x55772f068e50), $, _premise3)
^  Exit: (203) [user] cont_sexpr(')', (0x55772f068e50), _premise3)
^  Call: (203) [user] read_list(')', (0x55772f068e50), _993054)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _994912)
   Exit: (205) [system] peek_char((0x55772f068e50), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1010922)
   Exit: (204) [system] peek_char((0x55772f068e50), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x55772f068e50), _1014712)
   Exit: (204) [system] get_char((0x55772f068e50), ')')
   Call: (204) [system] _993054=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x55772f068e50), [])
   Call: (203) [system] _764730=[_premise3]
   Exit: (203) [system] [_premise3]=[_premise3]
^  Exit: (202) [user] read_list(')', (0x55772f068e50), [_premise3])
   Call: (202) [system] _571738=[_proof3, _premise3]
   Exit: (202) [system] [_proof3, _premise3]=[_proof3, _premise3]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [_proof3, _premise3])
   Call: (201) [system] _467912=[:, _proof3, _premise3]
   Exit: (201) [system] [:, _proof3, _premise3]=[:, _proof3, _premise3]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [:, _proof3, _premise3])
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), [:, _proof3, _premise3])
^  Call: (199) [user] read_list(')', (0x55772f068e50), _1028594)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1030452)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _1040046)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1042750)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1059684)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _1065254)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1067112)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _1083122)
   Exit: (201) [system] get_char((0x55772f068e50), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), $, _1065254)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1100764)
   Call: (203) [system] peek_char((0x55772f068e50), _1101698)
   Exit: (203) [system] peek_char((0x55772f068e50), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Fail: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_1106418, v('(', ')', end_of_file), k)
   Fail: (204) [system] arg(_1107350, v('(', ')', end_of_file), k)
^  Fail: (203) [user] is_delimiter(k)
   Call: (203) [system] ')'==k
   Fail: (203) [system] ')'==k
   Call: (203) [system] get_char((0x55772f068e50), k)
   Exit: (203) [system] get_char((0x55772f068e50), k)
   Call: (203) [system] k=(\)
   Fail: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1114700)
   Call: (204) [system] peek_char((0x55772f068e50), _1115634)
   Exit: (204) [system] peek_char((0x55772f068e50), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Fail: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_1120354, v('(', ')', end_of_file), b)
   Fail: (205) [system] arg(_1121286, v('(', ')', end_of_file), b)
^  Fail: (204) [user] is_delimiter(b)
   Call: (204) [system] ')'==b
   Fail: (204) [system] ')'==b
   Call: (204) [system] get_char((0x55772f068e50), b)
   Exit: (204) [system] get_char((0x55772f068e50), b)
   Call: (204) [system] b=(\)
   Fail: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1128636)
   Call: (205) [system] peek_char((0x55772f068e50), _1129570)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1128636=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (204) [system] _1114700=[b]
   Exit: (204) [system] [b]=[b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (203) [system] _1100764=[k, b]
   Exit: (203) [system] [k, b]=[k, b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [k, b])
^  Call: (202) [user] classify_and_convert_charseq([$, k, b], _1065254)
^  Call: (203) [user] classify_and_convert_charseq_([$, k, b], _1144442)
   Call: (204) [system] atom_chars(_1145374, ['_', k, b])
   Exit: (204) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (203) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (203) [system] integer(_kb)
   Fail: (203) [system] integer(_kb)
   Call: (203) [system] _1065254=_kb
   Exit: (203) [system] _kb=_kb
^  Exit: (202) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), $, _kb)
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), _kb)
^  Call: (200) [user] read_list(')', (0x55772f068e50), _1154666)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1156524)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _1166118)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1168822)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1185756)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _1191326)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1193184)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _1209194)
   Exit: (202) [system] get_char((0x55772f068e50), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), $, _1191326)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1226836)
   Call: (204) [system] peek_char((0x55772f068e50), _1227770)
   Exit: (204) [system] peek_char((0x55772f068e50), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1232490, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1233422, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x55772f068e50), r)
   Exit: (204) [system] get_char((0x55772f068e50), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1240772)
   Call: (205) [system] peek_char((0x55772f068e50), _1241706)
   Exit: (205) [system] peek_char((0x55772f068e50), b)
^  Call: (205) [user] is_delimiter(b)
   Call: (206) [system] char_type(b, space)
   Fail: (206) [system] char_type(b, space)
   Call: (206) [system] arg(_1246426, v('(', ')', end_of_file), b)
   Fail: (206) [system] arg(_1247358, v('(', ')', end_of_file), b)
^  Fail: (205) [user] is_delimiter(b)
   Call: (205) [system] ')'==b
   Fail: (205) [system] ')'==b
   Call: (205) [system] get_char((0x55772f068e50), b)
   Exit: (205) [system] get_char((0x55772f068e50), b)
   Call: (205) [system] b=(\)
   Fail: (205) [system] b=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1254708)
   Call: (206) [system] peek_char((0x55772f068e50), _1255642)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1254708=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (205) [system] _1240772=[b]
   Exit: (205) [system] [b]=[b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (204) [system] _1226836=[r, b]
   Exit: (204) [system] [r, b]=[r, b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [r, b])
^  Call: (203) [user] classify_and_convert_charseq([$, r, b], _1191326)
^  Call: (204) [user] classify_and_convert_charseq_([$, r, b], _1270514)
   Call: (205) [system] atom_chars(_1271446, ['_', r, b])
   Exit: (205) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (204) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (204) [system] integer(_rb)
   Fail: (204) [system] integer(_rb)
   Call: (204) [system] _1191326=_rb
   Exit: (204) [system] _rb=_rb
^  Exit: (203) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), $, _rb)
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), _rb)
^  Call: (201) [user] read_list(')', (0x55772f068e50), _1280738)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1282596)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _1292190)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1294894)
   Exit: (204) [system] peek_char((0x55772f068e50), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1311828)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x55772f068e50), _1317398)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1319256)
   Exit: (204) [system] peek_char((0x55772f068e50), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] get_char((0x55772f068e50), _1335266)
   Exit: (203) [system] get_char((0x55772f068e50), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x55772f068e50), $, _1317398)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1352908)
   Call: (205) [system] peek_char((0x55772f068e50), _1353842)
   Exit: (205) [system] peek_char((0x55772f068e50), k)
^  Call: (205) [user] is_delimiter(k)
   Call: (206) [system] char_type(k, space)
   Fail: (206) [system] char_type(k, space)
   Call: (206) [system] arg(_1358562, v('(', ')', end_of_file), k)
   Fail: (206) [system] arg(_1359494, v('(', ')', end_of_file), k)
^  Fail: (205) [user] is_delimiter(k)
   Call: (205) [system] ')'==k
   Fail: (205) [system] ')'==k
   Call: (205) [system] get_char((0x55772f068e50), k)
   Exit: (205) [system] get_char((0x55772f068e50), k)
   Call: (205) [system] k=(\)
   Fail: (205) [system] k=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1366844)
   Call: (206) [system] peek_char((0x55772f068e50), _1367778)
   Exit: (206) [system] peek_char((0x55772f068e50), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_1372498, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _1366844=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (205) [system] _1352908=[k]
   Exit: (205) [system] [k]=[k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
^  Call: (204) [user] classify_and_convert_charseq([$, k], _1317398)
^  Call: (205) [user] classify_and_convert_charseq_([$, k], _1381728)
   Call: (206) [system] atom_chars(_1382660, ['_', k])
   Exit: (206) [system] atom_chars('_k', ['_', k])
^  Exit: (205) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (205) [system] integer(_k)
   Fail: (205) [system] integer(_k)
   Call: (205) [system] _1317398=_k
   Exit: (205) [system] _k=_k
^  Exit: (204) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (203) [user] read_symbolic(')', (0x55772f068e50), $, _k)
^  Exit: (202) [user] cont_sexpr(')', (0x55772f068e50), _k)
^  Call: (202) [user] read_list(')', (0x55772f068e50), _1391952)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1393810)
   Exit: (204) [system] peek_char((0x55772f068e50), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1409820)
   Exit: (203) [system] peek_char((0x55772f068e50), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x55772f068e50), _1413610)
   Exit: (203) [system] get_char((0x55772f068e50), ')')
   Call: (203) [system] _1391952=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x55772f068e50), [])
   Call: (202) [system] _1280738=[_k]
   Exit: (202) [system] [_k]=[_k]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [_k])
   Call: (201) [system] _1154666=[_rb, _k]
   Exit: (201) [system] [_rb, _k]=[_rb, _k]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [_rb, _k])
   Call: (200) [system] _1028594=[_kb, _rb, _k]
   Exit: (200) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [_kb, _rb, _k])
   Call: (199) [system] _431252=[[:, _proof3, _premise3], _kb, _rb, _k]
   Exit: (199) [system] [[:, _proof3, _premise3], _kb, _rb, _k]=[[:, _proof3, _premise3], _kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [[:, _proof3, _premise3], _kb, _rb, _k])
   Call: (198) [system] _176856=[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]
   Exit: (198) [system] [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]=[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), [synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Call: (196) [user] read_list(')', (0x55772f068e50), _1433080)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1434938)
   Exit: (198) [system] peek_char((0x55772f068e50), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1450948)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x55772f068e50), _1454738)
   Exit: (197) [system] get_char((0x55772f068e50), ')')
   Call: (197) [system] _1433080=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [])
   Call: (196) [system] _140196=[[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
   Exit: (196) [system] [[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]=[[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Call: (195) [system] _3846=[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
   Exit: (195) [system] [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]=[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Call: (193) [user] read_list(')', (0x55772f068e50), _1465826)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1467684)
   Exit: (195) [system] peek_char((0x55772f068e50), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1483694)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x55772f068e50), _1487484)
   Exit: (194) [system] get_char((0x55772f068e50), ')')
   Call: (194) [system] _1465826=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [])
   Call: (193) [system] _3842=[[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
   Exit: (193) [system] [[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]=[[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
   Call: (192) [system] _3730=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
   Exit: (192) [system] [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
   Call: (191) [system] _3618=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
   Exit: (191) [system] [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
^  Exit: (190) [user] read_list(')', (0x55772f068e50), [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
   Call: (190) [system] _3534=[[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
   Exit: (190) [system] [[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]=[[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
^  Exit: (189) [user] read_list(')', (0x55772f068e50), [[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
   Call: (189) [system] _3436=[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
   Exit: (189) [system] [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]=[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
^  Exit: (187) [user] cont_sexpr(')', (0x55772f068e50), [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
^  Call: (187) [user] read_list(')', (0x55772f068e50), _1506954)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1508812)
   Exit: (189) [system] peek_char((0x55772f068e50), '\n')
   Call: (189) [system] '\n'=(;)
   Fail: (189) [system] '\n'=(;)
   Call: (189) [system] '\n'=(/)
   Fail: (189) [system] '\n'=(/)
^  Call: (189) [user] is_like_space('\n')
   Call: (190) [system] char_type('\n', 'white')
   Fail: (190) [system] char_type('\n', 'white')
   Call: (190) [system] char_type('\n', end_of_line)
   Exit: (190) [system] char_type('\n', end_of_line)
^  Exit: (189) [user] is_like_space('\n')
   Call: (189) [system] get_char((0x55772f068e50), _1520262)
   Exit: (189) [system] get_char((0x55772f068e50), '\n')
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1522966)
   Exit: (190) [system] peek_char((0x55772f068e50), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x55772f068e50), _1532560)
   Exit: (190) [system] get_char((0x55772f068e50), ' ')
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1535264)
   Exit: (191) [system] peek_char((0x55772f068e50), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x55772f068e50), _1544858)
   Exit: (191) [system] get_char((0x55772f068e50), ' ')
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1547562)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x55772f068e50), _1557156)
   Exit: (192) [system] get_char((0x55772f068e50), ' ')
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1559860)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _1569454)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1572158)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _1581752)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1584456)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1606010)
   Exit: (188) [system] peek_char((0x55772f068e50), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x55772f068e50), _1611580)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1613438)
   Exit: (190) [system] peek_char((0x55772f068e50), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] get_char((0x55772f068e50), _1629448)
   Exit: (189) [system] get_char((0x55772f068e50), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x55772f068e50), $, _1611580)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _1647090)
   Call: (191) [system] peek_char((0x55772f068e50), _1648024)
   Exit: (191) [system] peek_char((0x55772f068e50), q)
^  Call: (191) [user] is_delimiter(q)
   Call: (192) [system] char_type(q, space)
   Fail: (192) [system] char_type(q, space)
   Call: (192) [system] arg(_1652744, v('(', ')', end_of_file), q)
   Fail: (192) [system] arg(_1653676, v('(', ')', end_of_file), q)
^  Fail: (191) [user] is_delimiter(q)
   Call: (191) [system] ')'==q
   Fail: (191) [system] ')'==q
   Call: (191) [system] get_char((0x55772f068e50), q)
   Exit: (191) [system] get_char((0x55772f068e50), q)
   Call: (191) [system] q=(\)
   Fail: (191) [system] q=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _1661026)
   Call: (192) [system] peek_char((0x55772f068e50), _1661960)
   Exit: (192) [system] peek_char((0x55772f068e50), u)
^  Call: (192) [user] is_delimiter(u)
   Call: (193) [system] char_type(u, space)
   Fail: (193) [system] char_type(u, space)
   Call: (193) [system] arg(_1666680, v('(', ')', end_of_file), u)
   Fail: (193) [system] arg(_1667612, v('(', ')', end_of_file), u)
^  Fail: (192) [user] is_delimiter(u)
   Call: (192) [system] ')'==u
   Fail: (192) [system] ')'==u
   Call: (192) [system] get_char((0x55772f068e50), u)
   Exit: (192) [system] get_char((0x55772f068e50), u)
   Call: (192) [system] u=(\)
   Fail: (192) [system] u=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _1674962)
   Call: (193) [system] peek_char((0x55772f068e50), _1675896)
   Exit: (193) [system] peek_char((0x55772f068e50), e)
^  Call: (193) [user] is_delimiter(e)
   Call: (194) [system] char_type(e, space)
   Fail: (194) [system] char_type(e, space)
   Call: (194) [system] arg(_1680616, v('(', ')', end_of_file), e)
   Fail: (194) [system] arg(_1681548, v('(', ')', end_of_file), e)
^  Fail: (193) [user] is_delimiter(e)
   Call: (193) [system] ')'==e
   Fail: (193) [system] ')'==e
   Call: (193) [system] get_char((0x55772f068e50), e)
   Exit: (193) [system] get_char((0x55772f068e50), e)
   Call: (193) [system] e=(\)
   Fail: (193) [system] e=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _1688898)
   Call: (194) [system] peek_char((0x55772f068e50), _1689832)
   Exit: (194) [system] peek_char((0x55772f068e50), r)
^  Call: (194) [user] is_delimiter(r)
   Call: (195) [system] char_type(r, space)
   Fail: (195) [system] char_type(r, space)
   Call: (195) [system] arg(_1694552, v('(', ')', end_of_file), r)
   Fail: (195) [system] arg(_1695484, v('(', ')', end_of_file), r)
^  Fail: (194) [user] is_delimiter(r)
   Call: (194) [system] ')'==r
   Fail: (194) [system] ')'==r
   Call: (194) [system] get_char((0x55772f068e50), r)
   Exit: (194) [system] get_char((0x55772f068e50), r)
   Call: (194) [system] r=(\)
   Fail: (194) [system] r=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _1702834)
   Call: (195) [system] peek_char((0x55772f068e50), _1703768)
   Exit: (195) [system] peek_char((0x55772f068e50), y)
^  Call: (195) [user] is_delimiter(y)
   Call: (196) [system] char_type(y, space)
   Fail: (196) [system] char_type(y, space)
   Call: (196) [system] arg(_1708488, v('(', ')', end_of_file), y)
   Fail: (196) [system] arg(_1709420, v('(', ')', end_of_file), y)
^  Fail: (195) [user] is_delimiter(y)
   Call: (195) [system] ')'==y
   Fail: (195) [system] ')'==y
   Call: (195) [system] get_char((0x55772f068e50), y)
   Exit: (195) [system] get_char((0x55772f068e50), y)
   Call: (195) [system] y=(\)
   Fail: (195) [system] y=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _1716770)
   Call: (196) [system] peek_char((0x55772f068e50), _1717704)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_1722424, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _1716770=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (195) [system] _1702834=[y]
   Exit: (195) [system] [y]=[y]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [y])
   Call: (194) [system] _1688898=[r, y]
   Exit: (194) [system] [r, y]=[r, y]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [r, y])
   Call: (193) [system] _1674962=[e, r, y]
   Exit: (193) [system] [e, r, y]=[e, r, y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [e, r, y])
   Call: (192) [system] _1661026=[u, e, r, y]
   Exit: (192) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [u, e, r, y])
   Call: (191) [system] _1647090=[q, u, e, r, y]
   Exit: (191) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [q, u, e, r, y])
^  Call: (190) [user] classify_and_convert_charseq([$, q, u, e, r, y], _1611580)
^  Call: (191) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _1742830)
   Call: (192) [system] atom_chars(_1743762, ['_', q, u, e, r, y])
   Exit: (192) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (191) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (191) [system] integer(_query)
   Fail: (191) [system] integer(_query)
   Call: (191) [system] _1611580=_query
   Exit: (191) [system] _query=_query
^  Exit: (190) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (189) [user] read_symbolic(')', (0x55772f068e50), $, _query)
^  Exit: (188) [user] cont_sexpr(')', (0x55772f068e50), _query)
^  Call: (188) [user] read_list(')', (0x55772f068e50), _1753054)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1754912)
   Exit: (190) [system] peek_char((0x55772f068e50), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1770922)
   Exit: (189) [system] peek_char((0x55772f068e50), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x55772f068e50), _1774712)
   Exit: (189) [system] get_char((0x55772f068e50), ')')
   Call: (189) [system] _1753054=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [])
   Call: (188) [system] _1506954=[_query]
   Exit: (188) [system] [_query]=[_query]
^  Exit: (187) [user] read_list(')', (0x55772f068e50), [_query])
   Call: (187) [system] _3432=[[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]
   Exit: (187) [system] [[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]=[[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]
^  Exit: (186) [user] read_list(')', (0x55772f068e50), [[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
   Call: (186) [system] _3424=['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]
   Exit: (186) [system] ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]=['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
^  Exit: (184) [user] cont_sexpr(')', (0x55772f068e50), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
^  Call: (184) [user] read_list(')', (0x55772f068e50), _1788594)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1790452)
   Exit: (186) [system] peek_char((0x55772f068e50), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1806462)
   Exit: (185) [system] peek_char((0x55772f068e50), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x55772f068e50), _1810252)
   Exit: (185) [system] get_char((0x55772f068e50), ')')
   Call: (185) [system] _1788594=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [])
   Call: (184) [system] _3420=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
   Exit: (184) [system] [['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] read_list(')', (0x55772f068e50), [['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Call: (183) [system] _3356=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
   Exit: (183) [system] [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
^  Exit: (182) [user] read_list(')', (0x55772f068e50), [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Call: (182) [system] _3316=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
   Exit: (182) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
^  Exit: (181) [user] read_list(')', (0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (180) [user] cont_sexpr(')', (0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (179) [user] read_sexpr((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Call: (179) [user] assertz(metta_file_comment(67, 0, 2390, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], '$stream_position'(2390, 67, 0, 2390)))
^  Exit: (179) [user] assertz(metta_file_comment(67, 0, 2390, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], '$stream_position'(2390, 67, 0, 2390)))
^  Exit: (177) [system] once(user:(read_position((0x55772f068e50), 67, 0, 2390, '$stream_position'(2390, 67, 0, 2390)), read_sexpr((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]), assertz(metta_file_comment(67, 0, 2390, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], '$stream_position'(2390, 67, 0, 2390)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1828770, _1828772, _1828774, _1828776, _1828778))
^  Exit: (177) [user] retract(metta_file_comment(41, 0, 1332, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), '$stream_position'(1332, 41, 0, 1332)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), _1831618))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), _1831618)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), _1831618)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), _1834434))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), _1834434))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), _1834434)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), _1837234))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), _1837234)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), _1837234)
   Call: (187) [system] var('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0))
   Call: (187) [system] atom('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0))
   Call: (187) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0)==true
   Call: (187) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0)==false
   Call: (187) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0)==[_1843754, _1843760]
   Call: (187) [system] is_list('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0))
   Call: (187) [system] string('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0))
   Call: (187) [system] compound('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0))
   Exit: (187) [system] compound('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), _1848388, _1848390)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), '$COMMENT', [";;      rule.  A rule is a function mapping premises to conclusion", 41, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;      rule.  A rule is a function mapping premises to conclusion", 41, 0], _1852130)
   Call: (188) [apply] apply:maplist_([";;      rule.  A rule is a function mapping premises to conclusion", 41, 0], _1852130, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;      rule.  A rule is a function mapping premises to conclusion", _1854010)
   Call: (190) [system] var(";;      rule.  A rule is a function mapping premises to conclusion")
   Call: (190) [system] atom(";;      rule.  A rule is a function mapping premises to conclusion")
   Call: (190) [system] ";;      rule.  A rule is a function mapping premises to conclusion"==true
   Call: (190) [system] ";;      rule.  A rule is a function mapping premises to conclusion"==false
   Call: (190) [system] ";;      rule.  A rule is a function mapping premises to conclusion"==[_1858652, _1858658]
   Call: (190) [system] is_list(";;      rule.  A rule is a function mapping premises to conclusion")
   Call: (190) [system] string(";;      rule.  A rule is a function mapping premises to conclusion")
   Exit: (190) [system] string(";;      rule.  A rule is a function mapping premises to conclusion")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;      rule.  A rule is a function mapping premises to conclusion")
^  Call: (190) [user] symbol(";;      rule.  A rule is a function mapping premises to conclusion")
   Call: (191) [system] atom(";;      rule.  A rule is a function mapping premises to conclusion")
   Fail: (191) [system] atom(";;      rule.  A rule is a function mapping premises to conclusion")
^  Fail: (190) [user] symbol(";;      rule.  A rule is a function mapping premises to conclusion")
   Call: (190) [system] ";;      rule.  A rule is a function mapping premises to conclusion"=_1854010
   Exit: (190) [system] ";;      rule.  A rule is a function mapping premises to conclusion"=";;      rule.  A rule is a function mapping premises to conclusion"
^  Exit: (189) [user] mfix_vars1(";;      rule.  A rule is a function mapping premises to conclusion", ";;      rule.  A rule is a function mapping premises to conclusion")
   Call: (189) [apply] apply:maplist_([41, 0], _1854012, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(41, _1872532)
   Call: (191) [system] var(41)
   Call: (191) [system] atom(41)
   Call: (191) [system] 41==true
   Call: (191) [system] 41==false
   Call: (191) [system] 41==[_1877174, _1877180]
   Call: (191) [system] is_list(41)
   Call: (191) [system] string(41)
   Call: (191) [system] compound(41)
^  Call: (191) [user] symbol(41)
   Call: (192) [system] atom(41)
   Fail: (192) [system] atom(41)
^  Fail: (191) [user] symbol(41)
   Call: (191) [system] 41=_1872532
   Exit: (191) [system] 41=41
^  Exit: (190) [user] mfix_vars1(41, 41)
   Call: (190) [apply] apply:maplist_([0], _1872534, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _1888298)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_1892940, _1892946]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_1888298
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _1888300, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([41, 0], [41, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;      rule.  A rule is a function mapping premises to conclusion", 41, 0], [";;      rule.  A rule is a function mapping premises to conclusion", 41, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;      rule.  A rule is a function mapping premises to conclusion", 41, 0], [";;      rule.  A rule is a function mapping premises to conclusion", 41, 0])
   Call: (187) [system] compound_name_arguments(_1837234, '$COMMENT', [";;      rule.  A rule is a function mapping premises to conclusion", 41, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), '$COMMENT', [";;      rule.  A rule is a function mapping premises to conclusion", 41, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0)))
   Call: (184) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0)\=@='$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), _1917116))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), _1917116))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), _1917116)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), _1919916))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), _1919916)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), _1919916)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0)))
   Call: (184) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0)\=@='$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), _1831618))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), _1831618))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), _1831618)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), _1933874))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), _1933874)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), _1933874)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0)))
   Call: (184) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0)\=@='$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0)))
   Call: (178) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0)\=@='$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0))
^  Exit: (171) [user] read_sform((0x55772f068e50), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0))
^  Exit: (170) [system] once(user:read_sform((0x55772f068e50), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x55772f068e50), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0)))
   Call: (169) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727481849.951376), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481849.951376), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0)), 66]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), me_synthesize_1727481849_9551582, 66)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727481849.951376), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481849.951376), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0)), 66]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727481854.2066653)
   Call: (173) [system] arg(1, t(1727481849.951376), _3148)
   Exit: (173) [system] arg(1, t(1727481849.951376), 1727481849.951376)
   Call: (173) [system] _3158 is 1727481854.2066653-1727481849.951376
   Exit: (173) [system] 4.255289316177368 is 1727481854.2066653-1727481849.951376
   Call: (173) [system] 4.255289316177368>4
   Exit: (173) [system] 4.255289316177368>4
   Call: (173) [system] nb_setarg(1, t(1727481849.951376), 1727481854.2066653)
   Exit: (173) [system] nb_setarg(1, t(1727481854.2066653), 1727481854.2066653)
^  Call: (173) [user] move_cursor_to_first_column
   Call: (174) [system] write(user_error, '')

   Exit: (174) [system] write(user_error, '')
^  Exit: (173) [user] move_cursor_to_first_column
^  Call: (173) [user] format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0)), 66])
; 
^  Call: (175) [user] write_src_woi('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0))
^  Call: (177) [system] setup_call_cleanup('$notrace'(_1979878, _1979880), once(user:with_indents(false, write_src('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0)))), '$restore_trace'(_1979878, _1979880))
^  Call: (178) [system] sig_atomic(system:'$notrace'(_1979878, _1979880))
(%COMMENT  ";;      rule.  A rule is a function mapping premises to conclusion" 41 0)
^  Exit: (177) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:with_indents(false, write_src('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0)))), system:'$restore_trace'(3, -1))
^  Exit: (175) [user] write_src_woi('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0))
 ; line: 66 
^  Exit: (173) [user] format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0)), 66])
   Call: (173) [system] write(user_error, '')

   Exit: (173) [system] write(user_error, '')
^  Call: (173) [user] move_cursor_to_first_column
   Call: (174) [system] write(user_error, '')

   Exit: (174) [system] write(user_error, '')
^  Exit: (173) [user] move_cursor_to_first_column
^  Exit: (171) [user] if_t((get_time(1727481854.2066653), arg(1, t(1727481854.2066653), 1727481849.951376), 4.255289316177368 is 1727481854.2066653-1727481849.951376, 4.255289316177368>4), (nb_setarg(1, t(1727481854.2066653), 1727481854.2066653), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0)), 66]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 7)
   Call: (175) [system] atom(7+1)
   Call: (175) [system] set_flag(translated_forms, 8)
   Exit: (175) [system] set_flag(translated_forms, 8)
   Exit: (174) [$syspreds] update_flag(translated_forms, 7, 7+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 7, 7+1))
   Exit: (171) [$syspreds] flag(translated_forms, 7, 7+1)
^  Call: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), me_synthesize_1727481849_9551582, 66)
^  Call: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";;      rule.  A rule is a function mapping premises to conclusion"])
^  Exit: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";;      rule.  A rule is a function mapping premises to conclusion"])
^  Exit: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), me_synthesize_1727481849_9551582, 66)
^  Exit: (169) [system] once(user:(if_t((get_time(1727481854.2066653), arg(1, t(1727481854.2066653), 1727481849.951376), 4.255289316177368 is 1727481854.2066653-1727481849.951376, 4.255289316177368>4), (nb_setarg(1, t(1727481854.2066653), 1727481854.2066653), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0)), 66]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 7, 7+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 41, 0), me_synthesize_1727481849_9551582, 66)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x55772f068e50))
   Fail: (169) [system] at_end_of_stream((0x55772f068e50))
^  Call: (169) [user] must_det_ll(line_count((0x55772f068e50), _3074))
^  Call: (170) [user] once(user:line_count((0x55772f068e50), _3074))
   Call: (171) [system] line_count((0x55772f068e50), _3074)
   Exit: (171) [system] line_count((0x55772f068e50), 74)
^  Exit: (170) [system] once(user:line_count((0x55772f068e50), 74))
^  Exit: (169) [user] must_det_ll(user:line_count((0x55772f068e50), 74))
^  Call: (169) [user] must_det_ll(read_sform((0x55772f068e50), _3084))
^  Call: (170) [user] once(user:read_sform((0x55772f068e50), _3084))
^  Call: (171) [user] read_sform((0x55772f068e50), _3084)
   Call: (172) [system] string((0x55772f068e50))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (173) [system] string((0x55772f068e50))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (174) [system] at_end_of_stream((0x55772f068e50))
   Call: (174) [system] peek_char((0x55772f068e50), _2027436)
   Exit: (174) [system] peek_char((0x55772f068e50), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x55772f068e50), '\n')
   Exit: (174) [system] get_char((0x55772f068e50), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), _3084)
   Call: (175) [system] at_end_of_stream((0x55772f068e50))
   Call: (175) [system] peek_char((0x55772f068e50), _2034858)
   Exit: (175) [system] peek_char((0x55772f068e50), ;)
   Call: (175) [system] char_type(;, space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (176) [system] string((0x55772f068e50))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (177) [system] at_end_of_stream((0x55772f068e50))
   Call: (177) [system] peek_char((0x55772f068e50), _2043196)
   Exit: (177) [system] peek_char((0x55772f068e50), ;)
   Call: (177) [system] char_type(;, space)
   Call: (177) [system] _2045982=(0x55772f068e50)
   Exit: (177) [system] (0x55772f068e50)=(0x55772f068e50)
^  Call: (177) [user] once((read_position((0x55772f068e50), _2047850, _2047852, _2047854, _2047856), read_sexpr((0x55772f068e50), _2047868), assertz(metta_file_comment(_2047850, _2047852, _2047854, _2047868, _2047856))))
^  Call: (179) [user] read_position((0x55772f068e50), _2047850, _2047852, _2047854, _2047856)
   Call: (180) [system] stream_property((0x55772f068e50), position(_2047856))
   Call: (181) [system] nonvar((0x55772f068e50))
   Exit: (181) [system] nonvar((0x55772f068e50))
   Call: (181) [system] nonvar(position(_2047856))
   Exit: (181) [system] nonvar(position(_2047856))
   Exit: (180) [system] stream_property((0x55772f068e50), position('$stream_position'(2845, 75, 0, 2845)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(2845, 75, 0, 2845), _2047850)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _2058108)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(2845, 75, 0, 2845), _2047850)
   Exit: (181) [system] arg(2, '$stream_position'(2845, 75, 0, 2845), 75)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(2845, 75, 0, 2845), 75)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(2845, 75, 0, 2845), _2047852)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _2065542)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(2845, 75, 0, 2845), _2047852)
   Exit: (181) [system] arg(3, '$stream_position'(2845, 75, 0, 2845), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(2845, 75, 0, 2845), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(2845, 75, 0, 2845), _2047854)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _2072976)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(2845, 75, 0, 2845), _2047854)
   Exit: (181) [system] arg(1, '$stream_position'(2845, 75, 0, 2845), 2845)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(2845, 75, 0, 2845), 2845)
^  Exit: (179) [user] read_position((0x55772f068e50), 75, 0, 2845, '$stream_position'(2845, 75, 0, 2845))
^  Call: (179) [user] read_sexpr((0x55772f068e50), _2047868)
   Call: (180) [system] string((0x55772f068e50))
   Fail: (180) [system] string((0x55772f068e50))
^  Call: (180) [user] cont_sexpr(')', (0x55772f068e50), _2047868)
^  Call: (181) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _2083202)
   Exit: (182) [system] peek_char((0x55772f068e50), ;)
   Call: (182) [system] (;)=(;)
   Exit: (182) [system] (;)=(;)
^  Call: (182) [user] read_single_line_comment((0x55772f068e50))
^  Call: (183) [user] read_position((0x55772f068e50), _2087840, _2087842, _2087844, _2087846)
   Call: (184) [system] stream_property((0x55772f068e50), position(_2087846))
   Call: (185) [system] nonvar((0x55772f068e50))
   Exit: (185) [system] nonvar((0x55772f068e50))
   Call: (185) [system] nonvar(position(_2087846))
   Exit: (185) [system] nonvar(position(_2087846))
   Exit: (184) [system] stream_property((0x55772f068e50), position('$stream_position'(2845, 75, 0, 2845)))
   Call: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(2845, 75, 0, 2845), _2087840)
   Call: (185) [system] nonvar(line_count)
   Exit: (185) [system] nonvar(line_count)
   Call: (185) [$syspreds] stream_position_field(line_count, _3726)
   Exit: (185) [$syspreds] stream_position_field(line_count, 2)
   Call: (185) [system] arg(2, '$stream_position'(2845, 75, 0, 2845), _3358)
   Exit: (185) [system] arg(2, '$stream_position'(2845, 75, 0, 2845), 75)
   Exit: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(2845, 75, 0, 2845), 75)
   Call: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(2845, 75, 0, 2845), _3360)
   Call: (185) [system] nonvar(line_position)
   Exit: (185) [system] nonvar(line_position)
   Call: (185) [$syspreds] stream_position_field(line_position, _11160)
   Exit: (185) [$syspreds] stream_position_field(line_position, 3)
   Call: (185) [system] arg(3, '$stream_position'(2845, 75, 0, 2845), _3360)
   Exit: (185) [system] arg(3, '$stream_position'(2845, 75, 0, 2845), 0)
   Exit: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(2845, 75, 0, 2845), 0)
   Call: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(2845, 75, 0, 2845), _3362)
   Call: (185) [system] nonvar(char_count)
   Exit: (185) [system] nonvar(char_count)
   Call: (185) [$syspreds] stream_position_field(char_count, _18594)
   Exit: (185) [$syspreds] stream_position_field(char_count, 1)
   Call: (185) [system] arg(1, '$stream_position'(2845, 75, 0, 2845), _3362)
   Exit: (185) [system] arg(1, '$stream_position'(2845, 75, 0, 2845), 2845)
   Exit: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(2845, 75, 0, 2845), 2845)
^  Exit: (183) [user] read_position((0x55772f068e50), 75, 0, 2845, '$stream_position'(2845, 75, 0, 2845))
   Call: (183) [read_util] read_util:read_line_to_string((0x55772f068e50), _24188)
   Call: (184) [system] read_string((0x55772f068e50), '\n', '\r', _25118, _25120)
   Exit: (184) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";; Quaternary rule")
   Call: (184) [system] 10\== -1
   Exit: (184) [system] 10\== -1
   Call: (184) [system] _24188=";; Quaternary rule"
   Exit: (184) [system] ";; Quaternary rule"=";; Quaternary rule"
   Exit: (183) [read_util] read_util:read_line_to_string((0x55772f068e50), ";; Quaternary rule")
^  Call: (183) [user] assertz(metta_file_comment(75, 0, 2845, '$COMMENT'(";; Quaternary rule", 75, 0), '$stream_position'(2845, 75, 0, 2845)))
^  Exit: (183) [user] assertz(metta_file_comment(75, 0, 2845, '$COMMENT'(";; Quaternary rule", 75, 0), '$stream_position'(2845, 75, 0, 2845)))
^  Exit: (182) [user] read_single_line_comment((0x55772f068e50))
^  Call: (182) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _35380)
   Exit: (183) [system] peek_char((0x55772f068e50), '(')
   Call: (183) [system] '('=(;)
   Fail: (183) [system] '('=(;)
   Call: (183) [system] '('=(/)
   Fail: (183) [system] '('=(/)
^  Call: (183) [user] is_like_space('(')
   Call: (184) [system] char_type('(', 'white')
   Fail: (184) [system] char_type('(', 'white')
   Call: (184) [system] char_type('(', end_of_line)
   Fail: (184) [system] char_type('(', end_of_line)
   Call: (184) [system] char_type('(', space)
   Fail: (184) [system] char_type('(', space)
   Call: (184) [system] char_type('(', cntrl)
   Fail: (184) [system] char_type('(', cntrl)
^  Fail: (183) [user] is_like_space('(')
^  Exit: (182) [user] skip_spaces((0x55772f068e50))
^  Exit: (181) [user] skip_spaces((0x55772f068e50))
   Call: (181) [system] get_char((0x55772f068e50), _52314)
   Exit: (181) [system] get_char((0x55772f068e50), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x55772f068e50), _3322)
^  Call: (182) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _57884)
   Exit: (183) [system] peek_char((0x55772f068e50), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _73894)
   Exit: (182) [system] peek_char((0x55772f068e50), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x55772f068e50), _79464)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _81322)
   Exit: (184) [system] peek_char((0x55772f068e50), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] get_char((0x55772f068e50), _97332)
   Exit: (183) [system] get_char((0x55772f068e50), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x55772f068e50), =, _79464)
^  Call: (184) [user] read_symbolic_cont(')', (0x55772f068e50), _114974)
   Call: (185) [system] peek_char((0x55772f068e50), _115908)
   Exit: (185) [system] peek_char((0x55772f068e50), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _114974=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _79464)
^  Call: (185) [user] classify_and_convert_charseq_([=], _125192)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_126144, _126146), once(user:catch(read_from_chars([=], _125192), _126126, fail)), '$restore_trace'(_126144, _126146))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_126144, _126146))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _126126, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _79464=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x55772f068e50), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x55772f068e50), =)
^  Call: (182) [user] read_list(')', (0x55772f068e50), _138272)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _140130)
   Exit: (184) [system] peek_char((0x55772f068e50), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x55772f068e50), _149724)
   Exit: (184) [system] get_char((0x55772f068e50), ' ')
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _152428)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _169362)
   Exit: (183) [system] peek_char((0x55772f068e50), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x55772f068e50), _174932)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _176790)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] get_char((0x55772f068e50), _192800)
   Exit: (184) [system] get_char((0x55772f068e50), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x55772f068e50), _174932)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _198370)
   Exit: (186) [system] peek_char((0x55772f068e50), s)
   Call: (186) [system] s=(;)
   Fail: (186) [system] s=(;)
   Call: (186) [system] s=(/)
   Fail: (186) [system] s=(/)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Fail: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Fail: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Fail: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
   Fail: (187) [system] char_type(s, cntrl)
^  Fail: (186) [user] is_like_space(s)
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _214380)
   Exit: (185) [system] peek_char((0x55772f068e50), s)
   Call: (185) [system] s=')'
   Fail: (185) [system] s=')'
   Call: (185) [system] s=end_of_file
   Fail: (185) [system] s=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x55772f068e50), _219950)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _221808)
   Exit: (187) [system] peek_char((0x55772f068e50), s)
   Call: (187) [system] s=(;)
   Fail: (187) [system] s=(;)
   Call: (187) [system] s=(/)
   Fail: (187) [system] s=(/)
^  Call: (187) [user] is_like_space(s)
   Call: (188) [system] char_type(s, 'white')
   Fail: (188) [system] char_type(s, 'white')
   Call: (188) [system] char_type(s, end_of_line)
   Fail: (188) [system] char_type(s, end_of_line)
   Call: (188) [system] char_type(s, space)
   Fail: (188) [system] char_type(s, space)
   Call: (188) [system] char_type(s, cntrl)
   Fail: (188) [system] char_type(s, cntrl)
^  Fail: (187) [user] is_like_space(s)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] get_char((0x55772f068e50), _237818)
   Exit: (186) [system] get_char((0x55772f068e50), s)
   Call: (186) [system] s='('
   Fail: (186) [system] s='('
   Call: (186) [system] s='['
   Fail: (186) [system] s='['
   Call: (186) [system] s='{'
   Fail: (186) [system] s='{'
   Call: (186) [system] s='"'
   Fail: (186) [system] s='"'
   Call: (186) [system] s=!
   Fail: (186) [system] s=!
   Call: (186) [system] s='\''
   Fail: (186) [system] s='\''
   Call: (186) [system] s='`'
   Fail: (186) [system] s='`'
   Call: (186) [system] s=end_of_file
   Fail: (186) [system] s=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x55772f068e50), s, _219950)
^  Call: (187) [user] read_symbolic_cont(')', (0x55772f068e50), _255460)
   Call: (188) [system] peek_char((0x55772f068e50), _256394)
   Exit: (188) [system] peek_char((0x55772f068e50), y)
^  Call: (188) [user] is_delimiter(y)
   Call: (189) [system] char_type(y, space)
   Fail: (189) [system] char_type(y, space)
   Call: (189) [system] arg(_261114, v('(', ')', end_of_file), y)
   Fail: (189) [system] arg(_262046, v('(', ')', end_of_file), y)
^  Fail: (188) [user] is_delimiter(y)
   Call: (188) [system] ')'==y
   Fail: (188) [system] ')'==y
   Call: (188) [system] get_char((0x55772f068e50), y)
   Exit: (188) [system] get_char((0x55772f068e50), y)
   Call: (188) [system] y=(\)
   Fail: (188) [system] y=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _269396)
   Call: (189) [system] peek_char((0x55772f068e50), _270330)
   Exit: (189) [system] peek_char((0x55772f068e50), n)
^  Call: (189) [user] is_delimiter(n)
   Call: (190) [system] char_type(n, space)
   Fail: (190) [system] char_type(n, space)
   Call: (190) [system] arg(_275050, v('(', ')', end_of_file), n)
   Fail: (190) [system] arg(_275982, v('(', ')', end_of_file), n)
^  Fail: (189) [user] is_delimiter(n)
   Call: (189) [system] ')'==n
   Fail: (189) [system] ')'==n
   Call: (189) [system] get_char((0x55772f068e50), n)
   Exit: (189) [system] get_char((0x55772f068e50), n)
   Call: (189) [system] n=(\)
   Fail: (189) [system] n=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _283332)
   Call: (190) [system] peek_char((0x55772f068e50), _284266)
   Exit: (190) [system] peek_char((0x55772f068e50), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_288986, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_289918, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x55772f068e50), t)
   Exit: (190) [system] get_char((0x55772f068e50), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _297268)
   Call: (191) [system] peek_char((0x55772f068e50), _298202)
   Exit: (191) [system] peek_char((0x55772f068e50), h)
^  Call: (191) [user] is_delimiter(h)
   Call: (192) [system] char_type(h, space)
   Fail: (192) [system] char_type(h, space)
   Call: (192) [system] arg(_302922, v('(', ')', end_of_file), h)
   Fail: (192) [system] arg(_303854, v('(', ')', end_of_file), h)
^  Fail: (191) [user] is_delimiter(h)
   Call: (191) [system] ')'==h
   Fail: (191) [system] ')'==h
   Call: (191) [system] get_char((0x55772f068e50), h)
   Exit: (191) [system] get_char((0x55772f068e50), h)
   Call: (191) [system] h=(\)
   Fail: (191) [system] h=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _311204)
   Call: (192) [system] peek_char((0x55772f068e50), _312138)
   Exit: (192) [system] peek_char((0x55772f068e50), e)
^  Call: (192) [user] is_delimiter(e)
   Call: (193) [system] char_type(e, space)
   Fail: (193) [system] char_type(e, space)
   Call: (193) [system] arg(_316858, v('(', ')', end_of_file), e)
   Fail: (193) [system] arg(_317790, v('(', ')', end_of_file), e)
^  Fail: (192) [user] is_delimiter(e)
   Call: (192) [system] ')'==e
   Fail: (192) [system] ')'==e
   Call: (192) [system] get_char((0x55772f068e50), e)
   Exit: (192) [system] get_char((0x55772f068e50), e)
   Call: (192) [system] e=(\)
   Fail: (192) [system] e=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _325140)
   Call: (193) [system] peek_char((0x55772f068e50), _326074)
   Exit: (193) [system] peek_char((0x55772f068e50), s)
^  Call: (193) [user] is_delimiter(s)
   Call: (194) [system] char_type(s, space)
   Fail: (194) [system] char_type(s, space)
   Call: (194) [system] arg(_330794, v('(', ')', end_of_file), s)
   Fail: (194) [system] arg(_331726, v('(', ')', end_of_file), s)
^  Fail: (193) [user] is_delimiter(s)
   Call: (193) [system] ')'==s
   Fail: (193) [system] ')'==s
   Call: (193) [system] get_char((0x55772f068e50), s)
   Exit: (193) [system] get_char((0x55772f068e50), s)
   Call: (193) [system] s=(\)
   Fail: (193) [system] s=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _339076)
   Call: (194) [system] peek_char((0x55772f068e50), _340010)
   Exit: (194) [system] peek_char((0x55772f068e50), i)
^  Call: (194) [user] is_delimiter(i)
   Call: (195) [system] char_type(i, space)
   Fail: (195) [system] char_type(i, space)
   Call: (195) [system] arg(_344730, v('(', ')', end_of_file), i)
   Fail: (195) [system] arg(_345662, v('(', ')', end_of_file), i)
^  Fail: (194) [user] is_delimiter(i)
   Call: (194) [system] ')'==i
   Fail: (194) [system] ')'==i
   Call: (194) [system] get_char((0x55772f068e50), i)
   Exit: (194) [system] get_char((0x55772f068e50), i)
   Call: (194) [system] i=(\)
   Fail: (194) [system] i=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _353012)
   Call: (195) [system] peek_char((0x55772f068e50), _353946)
   Exit: (195) [system] peek_char((0x55772f068e50), z)
^  Call: (195) [user] is_delimiter(z)
   Call: (196) [system] char_type(z, space)
   Fail: (196) [system] char_type(z, space)
   Call: (196) [system] arg(_358666, v('(', ')', end_of_file), z)
   Fail: (196) [system] arg(_359598, v('(', ')', end_of_file), z)
^  Fail: (195) [user] is_delimiter(z)
   Call: (195) [system] ')'==z
   Fail: (195) [system] ')'==z
   Call: (195) [system] get_char((0x55772f068e50), z)
   Exit: (195) [system] get_char((0x55772f068e50), z)
   Call: (195) [system] z=(\)
   Fail: (195) [system] z=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _366948)
   Call: (196) [system] peek_char((0x55772f068e50), _367882)
   Exit: (196) [system] peek_char((0x55772f068e50), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Fail: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_372602, v('(', ')', end_of_file), e)
   Fail: (197) [system] arg(_373534, v('(', ')', end_of_file), e)
^  Fail: (196) [user] is_delimiter(e)
   Call: (196) [system] ')'==e
   Fail: (196) [system] ')'==e
   Call: (196) [system] get_char((0x55772f068e50), e)
   Exit: (196) [system] get_char((0x55772f068e50), e)
   Call: (196) [system] e=(\)
   Fail: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _380884)
   Call: (197) [system] peek_char((0x55772f068e50), _381818)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _380884=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (196) [system] _366948=[e]
   Exit: (196) [system] [e]=[e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (195) [system] _353012=[z, e]
   Exit: (195) [system] [z, e]=[z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [z, e])
   Call: (194) [system] _339076=[i, z, e]
   Exit: (194) [system] [i, z, e]=[i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [i, z, e])
   Call: (193) [system] _325140=[s, i, z, e]
   Exit: (193) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [s, i, z, e])
   Call: (192) [system] _311204=[e, s, i, z, e]
   Exit: (192) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [e, s, i, z, e])
   Call: (191) [system] _297268=[h, e, s, i, z, e]
   Exit: (191) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [h, e, s, i, z, e])
   Call: (190) [system] _283332=[t, h, e, s, i, z, e]
   Exit: (190) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [t, h, e, s, i, z, e])
   Call: (189) [system] _269396=[n, t, h, e, s, i, z, e]
   Exit: (189) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, h, e, s, i, z, e])
   Call: (188) [system] _255460=[y, n, t, h, e, s, i, z, e]
   Exit: (188) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (187) [user] read_symbolic_cont(')', (0x55772f068e50), [y, n, t, h, e, s, i, z, e])
^  Call: (187) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _219950)
^  Call: (188) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _416248)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_417200, _417202), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _416248), _417182, fail)), '$restore_trace'(_417200, _417202))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_417200, _417202))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _417182, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(synthesize)
   Exit: (189) [system] atomic(synthesize)
^  Exit: (188) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (188) [system] integer(synthesize)
   Fail: (188) [system] integer(synthesize)
   Call: (188) [system] _219950=synthesize
   Exit: (188) [system] synthesize=synthesize
^  Exit: (187) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (186) [user] read_symbolic(')', (0x55772f068e50), s, synthesize)
^  Exit: (185) [user] cont_sexpr(')', (0x55772f068e50), synthesize)
^  Call: (185) [user] read_list(')', (0x55772f068e50), _429328)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _431186)
   Exit: (187) [system] peek_char((0x55772f068e50), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x55772f068e50), _440780)
   Exit: (187) [system] get_char((0x55772f068e50), ' ')
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _443484)
   Exit: (188) [system] peek_char((0x55772f068e50), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
   Call: (188) [system] ($)=(/)
   Fail: (188) [system] ($)=(/)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _460418)
   Exit: (186) [system] peek_char((0x55772f068e50), $)
   Call: (186) [system] ($)=')'
   Fail: (186) [system] ($)=')'
   Call: (186) [system] ($)=end_of_file
   Fail: (186) [system] ($)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x55772f068e50), _465988)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _467846)
   Exit: (188) [system] peek_char((0x55772f068e50), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
   Call: (188) [system] ($)=(/)
   Fail: (188) [system] ($)=(/)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] get_char((0x55772f068e50), _483856)
   Exit: (187) [system] get_char((0x55772f068e50), $)
   Call: (187) [system] ($)='('
   Fail: (187) [system] ($)='('
   Call: (187) [system] ($)='['
   Fail: (187) [system] ($)='['
   Call: (187) [system] ($)='{'
   Fail: (187) [system] ($)='{'
   Call: (187) [system] ($)='"'
   Fail: (187) [system] ($)='"'
   Call: (187) [system] ($)=!
   Fail: (187) [system] ($)=!
   Call: (187) [system] ($)='\''
   Fail: (187) [system] ($)='\''
   Call: (187) [system] ($)='`'
   Fail: (187) [system] ($)='`'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x55772f068e50), $, _465988)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _501498)
   Call: (189) [system] peek_char((0x55772f068e50), _502432)
   Exit: (189) [system] peek_char((0x55772f068e50), q)
^  Call: (189) [user] is_delimiter(q)
   Call: (190) [system] char_type(q, space)
   Fail: (190) [system] char_type(q, space)
   Call: (190) [system] arg(_507152, v('(', ')', end_of_file), q)
   Fail: (190) [system] arg(_508084, v('(', ')', end_of_file), q)
^  Fail: (189) [user] is_delimiter(q)
   Call: (189) [system] ')'==q
   Fail: (189) [system] ')'==q
   Call: (189) [system] get_char((0x55772f068e50), q)
   Exit: (189) [system] get_char((0x55772f068e50), q)
   Call: (189) [system] q=(\)
   Fail: (189) [system] q=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _515434)
   Call: (190) [system] peek_char((0x55772f068e50), _516368)
   Exit: (190) [system] peek_char((0x55772f068e50), u)
^  Call: (190) [user] is_delimiter(u)
   Call: (191) [system] char_type(u, space)
   Fail: (191) [system] char_type(u, space)
   Call: (191) [system] arg(_521088, v('(', ')', end_of_file), u)
   Fail: (191) [system] arg(_522020, v('(', ')', end_of_file), u)
^  Fail: (190) [user] is_delimiter(u)
   Call: (190) [system] ')'==u
   Fail: (190) [system] ')'==u
   Call: (190) [system] get_char((0x55772f068e50), u)
   Exit: (190) [system] get_char((0x55772f068e50), u)
   Call: (190) [system] u=(\)
   Fail: (190) [system] u=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _529370)
   Call: (191) [system] peek_char((0x55772f068e50), _530304)
   Exit: (191) [system] peek_char((0x55772f068e50), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Fail: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_535024, v('(', ')', end_of_file), e)
   Fail: (192) [system] arg(_535956, v('(', ')', end_of_file), e)
^  Fail: (191) [user] is_delimiter(e)
   Call: (191) [system] ')'==e
   Fail: (191) [system] ')'==e
   Call: (191) [system] get_char((0x55772f068e50), e)
   Exit: (191) [system] get_char((0x55772f068e50), e)
   Call: (191) [system] e=(\)
   Fail: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _543306)
   Call: (192) [system] peek_char((0x55772f068e50), _544240)
   Exit: (192) [system] peek_char((0x55772f068e50), r)
^  Call: (192) [user] is_delimiter(r)
   Call: (193) [system] char_type(r, space)
   Fail: (193) [system] char_type(r, space)
   Call: (193) [system] arg(_548960, v('(', ')', end_of_file), r)
   Fail: (193) [system] arg(_549892, v('(', ')', end_of_file), r)
^  Fail: (192) [user] is_delimiter(r)
   Call: (192) [system] ')'==r
   Fail: (192) [system] ')'==r
   Call: (192) [system] get_char((0x55772f068e50), r)
   Exit: (192) [system] get_char((0x55772f068e50), r)
   Call: (192) [system] r=(\)
   Fail: (192) [system] r=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _557242)
   Call: (193) [system] peek_char((0x55772f068e50), _558176)
   Exit: (193) [system] peek_char((0x55772f068e50), y)
^  Call: (193) [user] is_delimiter(y)
   Call: (194) [system] char_type(y, space)
   Fail: (194) [system] char_type(y, space)
   Call: (194) [system] arg(_562896, v('(', ')', end_of_file), y)
   Fail: (194) [system] arg(_563828, v('(', ')', end_of_file), y)
^  Fail: (193) [user] is_delimiter(y)
   Call: (193) [system] ')'==y
   Fail: (193) [system] ')'==y
   Call: (193) [system] get_char((0x55772f068e50), y)
   Exit: (193) [system] get_char((0x55772f068e50), y)
   Call: (193) [system] y=(\)
   Fail: (193) [system] y=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _571178)
   Call: (194) [system] peek_char((0x55772f068e50), _572112)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _571178=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (193) [system] _557242=[y]
   Exit: (193) [system] [y]=[y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [y])
   Call: (192) [system] _543306=[r, y]
   Exit: (192) [system] [r, y]=[r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [r, y])
   Call: (191) [system] _529370=[e, r, y]
   Exit: (191) [system] [e, r, y]=[e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [e, r, y])
   Call: (190) [system] _515434=[u, e, r, y]
   Exit: (190) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [u, e, r, y])
   Call: (189) [system] _501498=[q, u, e, r, y]
   Exit: (189) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [q, u, e, r, y])
^  Call: (188) [user] classify_and_convert_charseq([$, q, u, e, r, y], _465988)
^  Call: (189) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _595366)
   Call: (190) [system] atom_chars(_596298, ['_', q, u, e, r, y])
   Exit: (190) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (189) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (189) [system] integer(_query)
   Fail: (189) [system] integer(_query)
   Call: (189) [system] _465988=_query
   Exit: (189) [system] _query=_query
^  Exit: (188) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (187) [user] read_symbolic(')', (0x55772f068e50), $, _query)
^  Exit: (186) [user] cont_sexpr(')', (0x55772f068e50), _query)
^  Call: (186) [user] read_list(')', (0x55772f068e50), _605590)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _607448)
   Exit: (188) [system] peek_char((0x55772f068e50), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x55772f068e50), _617042)
   Exit: (188) [system] get_char((0x55772f068e50), ' ')
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _619746)
   Exit: (189) [system] peek_char((0x55772f068e50), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _636680)
   Exit: (187) [system] peek_char((0x55772f068e50), $)
   Call: (187) [system] ($)=')'
   Fail: (187) [system] ($)=')'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x55772f068e50), _642250)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _644108)
   Exit: (189) [system] peek_char((0x55772f068e50), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] get_char((0x55772f068e50), _660118)
   Exit: (188) [system] get_char((0x55772f068e50), $)
   Call: (188) [system] ($)='('
   Fail: (188) [system] ($)='('
   Call: (188) [system] ($)='['
   Fail: (188) [system] ($)='['
   Call: (188) [system] ($)='{'
   Fail: (188) [system] ($)='{'
   Call: (188) [system] ($)='"'
   Fail: (188) [system] ($)='"'
   Call: (188) [system] ($)=!
   Fail: (188) [system] ($)=!
   Call: (188) [system] ($)='\''
   Fail: (188) [system] ($)='\''
   Call: (188) [system] ($)='`'
   Fail: (188) [system] ($)='`'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x55772f068e50), $, _642250)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _677760)
   Call: (190) [system] peek_char((0x55772f068e50), _678694)
   Exit: (190) [system] peek_char((0x55772f068e50), k)
^  Call: (190) [user] is_delimiter(k)
   Call: (191) [system] char_type(k, space)
   Fail: (191) [system] char_type(k, space)
   Call: (191) [system] arg(_683414, v('(', ')', end_of_file), k)
   Fail: (191) [system] arg(_684346, v('(', ')', end_of_file), k)
^  Fail: (190) [user] is_delimiter(k)
   Call: (190) [system] ')'==k
   Fail: (190) [system] ')'==k
   Call: (190) [system] get_char((0x55772f068e50), k)
   Exit: (190) [system] get_char((0x55772f068e50), k)
   Call: (190) [system] k=(\)
   Fail: (190) [system] k=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _691696)
   Call: (191) [system] peek_char((0x55772f068e50), _692630)
   Exit: (191) [system] peek_char((0x55772f068e50), b)
^  Call: (191) [user] is_delimiter(b)
   Call: (192) [system] char_type(b, space)
   Fail: (192) [system] char_type(b, space)
   Call: (192) [system] arg(_697350, v('(', ')', end_of_file), b)
   Fail: (192) [system] arg(_698282, v('(', ')', end_of_file), b)
^  Fail: (191) [user] is_delimiter(b)
   Call: (191) [system] ')'==b
   Fail: (191) [system] ')'==b
   Call: (191) [system] get_char((0x55772f068e50), b)
   Exit: (191) [system] get_char((0x55772f068e50), b)
   Call: (191) [system] b=(\)
   Fail: (191) [system] b=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _705632)
   Call: (192) [system] peek_char((0x55772f068e50), _706566)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _705632=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (191) [system] _691696=[b]
   Exit: (191) [system] [b]=[b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (190) [system] _677760=[k, b]
   Exit: (190) [system] [k, b]=[k, b]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [k, b])
^  Call: (189) [user] classify_and_convert_charseq([$, k, b], _642250)
^  Call: (190) [user] classify_and_convert_charseq_([$, k, b], _721438)
   Call: (191) [system] atom_chars(_722370, ['_', k, b])
   Exit: (191) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (190) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (190) [system] integer(_kb)
   Fail: (190) [system] integer(_kb)
   Call: (190) [system] _642250=_kb
   Exit: (190) [system] _kb=_kb
^  Exit: (189) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (188) [user] read_symbolic(')', (0x55772f068e50), $, _kb)
^  Exit: (187) [user] cont_sexpr(')', (0x55772f068e50), _kb)
^  Call: (187) [user] read_list(')', (0x55772f068e50), _731662)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _733520)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x55772f068e50), _743114)
   Exit: (189) [system] get_char((0x55772f068e50), ' ')
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _745818)
   Exit: (190) [system] peek_char((0x55772f068e50), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _762752)
   Exit: (188) [system] peek_char((0x55772f068e50), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x55772f068e50), _768322)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _770180)
   Exit: (190) [system] peek_char((0x55772f068e50), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] get_char((0x55772f068e50), _786190)
   Exit: (189) [system] get_char((0x55772f068e50), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x55772f068e50), $, _768322)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _803832)
   Call: (191) [system] peek_char((0x55772f068e50), _804766)
   Exit: (191) [system] peek_char((0x55772f068e50), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_809486, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_810418, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x55772f068e50), r)
   Exit: (191) [system] get_char((0x55772f068e50), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _817768)
   Call: (192) [system] peek_char((0x55772f068e50), _818702)
   Exit: (192) [system] peek_char((0x55772f068e50), b)
^  Call: (192) [user] is_delimiter(b)
   Call: (193) [system] char_type(b, space)
   Fail: (193) [system] char_type(b, space)
   Call: (193) [system] arg(_823422, v('(', ')', end_of_file), b)
   Fail: (193) [system] arg(_824354, v('(', ')', end_of_file), b)
^  Fail: (192) [user] is_delimiter(b)
   Call: (192) [system] ')'==b
   Fail: (192) [system] ')'==b
   Call: (192) [system] get_char((0x55772f068e50), b)
   Exit: (192) [system] get_char((0x55772f068e50), b)
   Call: (192) [system] b=(\)
   Fail: (192) [system] b=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _831704)
   Call: (193) [system] peek_char((0x55772f068e50), _832638)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
^  Call: (193) [user] is_delimiter(' ')
   Call: (194) [system] char_type(' ', space)
   Exit: (194) [system] char_type(' ', space)
^  Exit: (193) [user] is_delimiter(' ')
   Call: (193) [system] _831704=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (192) [system] _817768=[b]
   Exit: (192) [system] [b]=[b]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (191) [system] _803832=[r, b]
   Exit: (191) [system] [r, b]=[r, b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [r, b])
^  Call: (190) [user] classify_and_convert_charseq([$, r, b], _768322)
^  Call: (191) [user] classify_and_convert_charseq_([$, r, b], _847510)
   Call: (192) [system] atom_chars(_848442, ['_', r, b])
   Exit: (192) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (191) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (191) [system] integer(_rb)
   Fail: (191) [system] integer(_rb)
   Call: (191) [system] _768322=_rb
   Exit: (191) [system] _rb=_rb
^  Exit: (190) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (189) [user] read_symbolic(')', (0x55772f068e50), $, _rb)
^  Exit: (188) [user] cont_sexpr(')', (0x55772f068e50), _rb)
^  Call: (188) [user] read_list(')', (0x55772f068e50), _857734)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _859592)
   Exit: (190) [system] peek_char((0x55772f068e50), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x55772f068e50), _869186)
   Exit: (190) [system] get_char((0x55772f068e50), ' ')
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _871890)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _888824)
   Exit: (189) [system] peek_char((0x55772f068e50), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x55772f068e50), _894394)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _896252)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] get_char((0x55772f068e50), _912262)
   Exit: (190) [system] get_char((0x55772f068e50), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x55772f068e50), _894394)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _917832)
   Exit: (192) [system] peek_char((0x55772f068e50), 'S')
   Call: (192) [system] 'S'=(;)
   Fail: (192) [system] 'S'=(;)
   Call: (192) [system] 'S'=(/)
   Fail: (192) [system] 'S'=(/)
^  Call: (192) [user] is_like_space('S')
   Call: (193) [system] char_type('S', 'white')
   Fail: (193) [system] char_type('S', 'white')
   Call: (193) [system] char_type('S', end_of_line)
   Fail: (193) [system] char_type('S', end_of_line)
   Call: (193) [system] char_type('S', space)
   Fail: (193) [system] char_type('S', space)
   Call: (193) [system] char_type('S', cntrl)
   Fail: (193) [system] char_type('S', cntrl)
^  Fail: (192) [user] is_like_space('S')
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _933842)
   Exit: (191) [system] peek_char((0x55772f068e50), 'S')
   Call: (191) [system] 'S'=')'
   Fail: (191) [system] 'S'=')'
   Call: (191) [system] 'S'=end_of_file
   Fail: (191) [system] 'S'=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x55772f068e50), _939412)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _941270)
   Exit: (193) [system] peek_char((0x55772f068e50), 'S')
   Call: (193) [system] 'S'=(;)
   Fail: (193) [system] 'S'=(;)
   Call: (193) [system] 'S'=(/)
   Fail: (193) [system] 'S'=(/)
^  Call: (193) [user] is_like_space('S')
   Call: (194) [system] char_type('S', 'white')
   Fail: (194) [system] char_type('S', 'white')
   Call: (194) [system] char_type('S', end_of_line)
   Fail: (194) [system] char_type('S', end_of_line)
   Call: (194) [system] char_type('S', space)
   Fail: (194) [system] char_type('S', space)
   Call: (194) [system] char_type('S', cntrl)
   Fail: (194) [system] char_type('S', cntrl)
^  Fail: (193) [user] is_like_space('S')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] get_char((0x55772f068e50), _957280)
   Exit: (192) [system] get_char((0x55772f068e50), 'S')
   Call: (192) [system] 'S'='('
   Fail: (192) [system] 'S'='('
   Call: (192) [system] 'S'='['
   Fail: (192) [system] 'S'='['
   Call: (192) [system] 'S'='{'
   Fail: (192) [system] 'S'='{'
   Call: (192) [system] 'S'='"'
   Fail: (192) [system] 'S'='"'
   Call: (192) [system] 'S'=!
   Fail: (192) [system] 'S'=!
   Call: (192) [system] 'S'='\''
   Fail: (192) [system] 'S'='\''
   Call: (192) [system] 'S'='`'
   Fail: (192) [system] 'S'='`'
   Call: (192) [system] 'S'=end_of_file
   Fail: (192) [system] 'S'=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x55772f068e50), 'S', _939412)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _974922)
   Call: (194) [system] peek_char((0x55772f068e50), _975856)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _974922=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (193) [user] classify_and_convert_charseq(['S'], _939412)
^  Call: (194) [user] classify_and_convert_charseq_(['S'], _985140)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_986092, _986094), once(user:catch(read_from_chars(['S'], _985140), _986074, fail)), '$restore_trace'(_986092, _986094))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_986092, _986094))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _985140), _986074, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(_985140)
   Fail: (195) [system] atomic(_985140)
   Call: (195) [system] atom_chars(_985140, ['S'])
   Exit: (195) [system] atom_chars('S', ['S'])
^  Exit: (194) [user] classify_and_convert_charseq_(['S'], 'S')
   Call: (194) [system] integer('S')
   Fail: (194) [system] integer('S')
   Call: (194) [system] _939412='S'
   Exit: (194) [system] 'S'='S'
^  Exit: (193) [user] classify_and_convert_charseq(['S'], 'S')
^  Exit: (192) [user] read_symbolic(')', (0x55772f068e50), 'S', 'S')
^  Exit: (191) [user] cont_sexpr(')', (0x55772f068e50), 'S')
^  Call: (191) [user] read_list(')', (0x55772f068e50), _1000090)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1001948)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _1011542)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1014246)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1031180)
   Exit: (192) [system] peek_char((0x55772f068e50), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _1036750)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1038608)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _1054618)
   Exit: (193) [system] get_char((0x55772f068e50), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x55772f068e50), $, _1036750)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _1072260)
   Call: (195) [system] peek_char((0x55772f068e50), _1073194)
   Exit: (195) [system] peek_char((0x55772f068e50), k)
^  Call: (195) [user] is_delimiter(k)
   Call: (196) [system] char_type(k, space)
   Fail: (196) [system] char_type(k, space)
   Call: (196) [system] arg(_1077914, v('(', ')', end_of_file), k)
   Fail: (196) [system] arg(_1078846, v('(', ')', end_of_file), k)
^  Fail: (195) [user] is_delimiter(k)
   Call: (195) [system] ')'==k
   Fail: (195) [system] ')'==k
   Call: (195) [system] get_char((0x55772f068e50), k)
   Exit: (195) [system] get_char((0x55772f068e50), k)
   Call: (195) [system] k=(\)
   Fail: (195) [system] k=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _1086196)
   Call: (196) [system] peek_char((0x55772f068e50), _1087130)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_1091850, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _1086196=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (195) [system] _1072260=[k]
   Exit: (195) [system] [k]=[k]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
^  Call: (194) [user] classify_and_convert_charseq([$, k], _1036750)
^  Call: (195) [user] classify_and_convert_charseq_([$, k], _1101080)
   Call: (196) [system] atom_chars(_1102012, ['_', k])
   Exit: (196) [system] atom_chars('_k', ['_', k])
^  Exit: (195) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (195) [system] integer(_k)
   Fail: (195) [system] integer(_k)
   Call: (195) [system] _1036750=_k
   Exit: (195) [system] _k=_k
^  Exit: (194) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (193) [user] read_symbolic(')', (0x55772f068e50), $, _k)
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), _k)
^  Call: (192) [user] read_list(')', (0x55772f068e50), _1111304)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1113162)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1129172)
   Exit: (193) [system] peek_char((0x55772f068e50), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x55772f068e50), _1132962)
   Exit: (193) [system] get_char((0x55772f068e50), ')')
   Call: (193) [system] _1111304=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [])
   Call: (192) [system] _1000090=[_k]
   Exit: (192) [system] [_k]=[_k]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [_k])
   Call: (191) [system] _894394=['S', _k]
   Exit: (191) [system] ['S', _k]=['S', _k]
^  Exit: (190) [user] read_list(')', (0x55772f068e50), ['S', _k])
^  Exit: (189) [user] cont_sexpr(')', (0x55772f068e50), ['S', _k])
^  Call: (189) [user] read_list(')', (0x55772f068e50), _1144050)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1145908)
   Exit: (191) [system] peek_char((0x55772f068e50), ')')
   Call: (191) [system] ')'=(;)
   Fail: (191) [system] ')'=(;)
   Call: (191) [system] ')'=(/)
   Fail: (191) [system] ')'=(/)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Fail: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Fail: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
   Fail: (192) [system] char_type(')', cntrl)
^  Fail: (191) [user] is_like_space(')')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1161918)
   Exit: (190) [system] peek_char((0x55772f068e50), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x55772f068e50), _1165708)
   Exit: (190) [system] get_char((0x55772f068e50), ')')
   Call: (190) [system] _1144050=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x55772f068e50), [])
   Call: (189) [system] _857734=[['S', _k]]
   Exit: (189) [system] [['S', _k]]=[['S', _k]]
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [['S', _k]])
   Call: (188) [system] _731662=[_rb, ['S', _k]]
   Exit: (188) [system] [_rb, ['S', _k]]=[_rb, ['S', _k]]
^  Exit: (187) [user] read_list(')', (0x55772f068e50), [_rb, ['S', _k]])
   Call: (187) [system] _605590=[_kb, _rb, ['S', _k]]
   Exit: (187) [system] [_kb, _rb, ['S', _k]]=[_kb, _rb, ['S', _k]]
^  Exit: (186) [user] read_list(')', (0x55772f068e50), [_kb, _rb, ['S', _k]])
   Call: (186) [system] _429328=[_query, _kb, _rb, ['S', _k]]
   Exit: (186) [system] [_query, _kb, _rb, ['S', _k]]=[_query, _kb, _rb, ['S', _k]]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [_query, _kb, _rb, ['S', _k]])
   Call: (185) [system] _174932=[synthesize, _query, _kb, _rb, ['S', _k]]
   Exit: (185) [system] [synthesize, _query, _kb, _rb, ['S', _k]]=[synthesize, _query, _kb, _rb, ['S', _k]]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Exit: (183) [user] cont_sexpr(')', (0x55772f068e50), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (183) [user] read_list(')', (0x55772f068e50), _1185178)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1187036)
   Exit: (185) [system] peek_char((0x55772f068e50), '\n')
   Call: (185) [system] '\n'=(;)
   Fail: (185) [system] '\n'=(;)
   Call: (185) [system] '\n'=(/)
   Fail: (185) [system] '\n'=(/)
^  Call: (185) [user] is_like_space('\n')
   Call: (186) [system] char_type('\n', 'white')
   Fail: (186) [system] char_type('\n', 'white')
   Call: (186) [system] char_type('\n', end_of_line)
   Exit: (186) [system] char_type('\n', end_of_line)
^  Exit: (185) [user] is_like_space('\n')
   Call: (185) [system] get_char((0x55772f068e50), _1198486)
   Exit: (185) [system] get_char((0x55772f068e50), '\n')
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1201190)
   Exit: (186) [system] peek_char((0x55772f068e50), ' ')
   Call: (186) [system] ' '=(;)
   Fail: (186) [system] ' '=(;)
   Call: (186) [system] ' '=(/)
   Fail: (186) [system] ' '=(/)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x55772f068e50), _1210784)
   Exit: (186) [system] get_char((0x55772f068e50), ' ')
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1213488)
   Exit: (187) [system] peek_char((0x55772f068e50), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x55772f068e50), _1223082)
   Exit: (187) [system] get_char((0x55772f068e50), ' ')
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1225786)
   Exit: (188) [system] peek_char((0x55772f068e50), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x55772f068e50), _1235380)
   Exit: (188) [system] get_char((0x55772f068e50), ' ')
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1238084)
   Exit: (189) [system] peek_char((0x55772f068e50), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _1257790)
   Exit: (184) [system] peek_char((0x55772f068e50), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x55772f068e50), _1263360)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1265218)
   Exit: (186) [system] peek_char((0x55772f068e50), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] get_char((0x55772f068e50), _1281228)
   Exit: (185) [system] get_char((0x55772f068e50), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x55772f068e50), _1263360)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1286798)
   Exit: (187) [system] peek_char((0x55772f068e50), l)
   Call: (187) [system] l=(;)
   Fail: (187) [system] l=(;)
   Call: (187) [system] l=(/)
   Fail: (187) [system] l=(/)
^  Call: (187) [user] is_like_space(l)
   Call: (188) [system] char_type(l, 'white')
   Fail: (188) [system] char_type(l, 'white')
   Call: (188) [system] char_type(l, end_of_line)
   Fail: (188) [system] char_type(l, end_of_line)
   Call: (188) [system] char_type(l, space)
   Fail: (188) [system] char_type(l, space)
   Call: (188) [system] char_type(l, cntrl)
   Fail: (188) [system] char_type(l, cntrl)
^  Fail: (187) [user] is_like_space(l)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1302808)
   Exit: (186) [system] peek_char((0x55772f068e50), l)
   Call: (186) [system] l=')'
   Fail: (186) [system] l=')'
   Call: (186) [system] l=end_of_file
   Fail: (186) [system] l=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x55772f068e50), _1308378)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1310236)
   Exit: (188) [system] peek_char((0x55772f068e50), l)
   Call: (188) [system] l=(;)
   Fail: (188) [system] l=(;)
   Call: (188) [system] l=(/)
   Fail: (188) [system] l=(/)
^  Call: (188) [user] is_like_space(l)
   Call: (189) [system] char_type(l, 'white')
   Fail: (189) [system] char_type(l, 'white')
   Call: (189) [system] char_type(l, end_of_line)
   Fail: (189) [system] char_type(l, end_of_line)
   Call: (189) [system] char_type(l, space)
   Fail: (189) [system] char_type(l, space)
   Call: (189) [system] char_type(l, cntrl)
   Fail: (189) [system] char_type(l, cntrl)
^  Fail: (188) [user] is_like_space(l)
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] get_char((0x55772f068e50), _1326246)
   Exit: (187) [system] get_char((0x55772f068e50), l)
   Call: (187) [system] l='('
   Fail: (187) [system] l='('
   Call: (187) [system] l='['
   Fail: (187) [system] l='['
   Call: (187) [system] l='{'
   Fail: (187) [system] l='{'
   Call: (187) [system] l='"'
   Fail: (187) [system] l='"'
   Call: (187) [system] l=!
   Fail: (187) [system] l=!
   Call: (187) [system] l='\''
   Fail: (187) [system] l='\''
   Call: (187) [system] l='`'
   Fail: (187) [system] l='`'
   Call: (187) [system] l=end_of_file
   Fail: (187) [system] l=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x55772f068e50), l, _1308378)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _1343888)
   Call: (189) [system] peek_char((0x55772f068e50), _1344822)
   Exit: (189) [system] peek_char((0x55772f068e50), e)
^  Call: (189) [user] is_delimiter(e)
   Call: (190) [system] char_type(e, space)
   Fail: (190) [system] char_type(e, space)
   Call: (190) [system] arg(_1349542, v('(', ')', end_of_file), e)
   Fail: (190) [system] arg(_1350474, v('(', ')', end_of_file), e)
^  Fail: (189) [user] is_delimiter(e)
   Call: (189) [system] ')'==e
   Fail: (189) [system] ')'==e
   Call: (189) [system] get_char((0x55772f068e50), e)
   Exit: (189) [system] get_char((0x55772f068e50), e)
   Call: (189) [system] e=(\)
   Fail: (189) [system] e=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _1357824)
   Call: (190) [system] peek_char((0x55772f068e50), _1358758)
   Exit: (190) [system] peek_char((0x55772f068e50), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_1363478, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_1364410, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x55772f068e50), t)
   Exit: (190) [system] get_char((0x55772f068e50), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _1371760)
   Call: (191) [system] peek_char((0x55772f068e50), _1372694)
   Exit: (191) [system] peek_char((0x55772f068e50), *)
^  Call: (191) [user] is_delimiter(*)
   Call: (192) [system] char_type(*, space)
   Fail: (192) [system] char_type(*, space)
   Call: (192) [system] arg(_1377414, v('(', ')', end_of_file), *)
   Fail: (192) [system] arg(_1378346, v('(', ')', end_of_file), *)
^  Fail: (191) [user] is_delimiter(*)
   Call: (191) [system] ')'==(*)
   Fail: (191) [system] ')'==(*)
   Call: (191) [system] get_char((0x55772f068e50), *)
   Exit: (191) [system] get_char((0x55772f068e50), *)
   Call: (191) [system] (*)=(\)
   Fail: (191) [system] (*)=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _1385696)
   Call: (192) [system] peek_char((0x55772f068e50), _1386630)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _1385696=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (191) [system] _1371760=[*]
   Exit: (191) [system] [*]=[*]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [*])
   Call: (190) [system] _1357824=[t, *]
   Exit: (190) [system] [t, *]=[t, *]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [t, *])
   Call: (189) [system] _1343888=[e, t, *]
   Exit: (189) [system] [e, t, *]=[e, t, *]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [e, t, *])
^  Call: (188) [user] classify_and_convert_charseq([l, e, t, *], _1308378)
^  Call: (189) [user] classify_and_convert_charseq_([l, e, t, *], _1404296)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1405248, _1405250), once(user:catch(read_from_chars([l, e, t, *], _1404296), _1405230, fail)), '$restore_trace'(_1405248, _1405250))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1405248, _1405250))
   Call: (190) [system] atom_chars(_3466, [l, e, t, *])
   Exit: (190) [system] atom_chars('let*', [l, e, t, *])
^  Exit: (189) [user] classify_and_convert_charseq_([l, e, t, *], 'let*')
   Call: (189) [system] integer('let*')
   Fail: (189) [system] integer('let*')
   Call: (189) [system] _3436='let*'
   Exit: (189) [system] 'let*'='let*'
^  Exit: (188) [user] classify_and_convert_charseq([l, e, t, *], 'let*')
^  Exit: (187) [user] read_symbolic(')', (0x55772f068e50), l, 'let*')
^  Exit: (186) [user] cont_sexpr(')', (0x55772f068e50), 'let*')
^  Call: (186) [user] read_list(')', (0x55772f068e50), _12832)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _14690)
   Exit: (188) [system] peek_char((0x55772f068e50), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x55772f068e50), _24284)
   Exit: (188) [system] get_char((0x55772f068e50), ' ')
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _26988)
   Exit: (189) [system] peek_char((0x55772f068e50), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _43922)
   Exit: (187) [system] peek_char((0x55772f068e50), '(')
   Call: (187) [system] '('=')'
   Fail: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
   Fail: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x55772f068e50), _49492)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _51350)
   Exit: (189) [system] peek_char((0x55772f068e50), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] get_char((0x55772f068e50), _67360)
   Exit: (188) [system] get_char((0x55772f068e50), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x55772f068e50), _49492)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _72930)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _88940)
   Exit: (189) [system] peek_char((0x55772f068e50), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x55772f068e50), _94510)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _96368)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] get_char((0x55772f068e50), _112378)
   Exit: (190) [system] get_char((0x55772f068e50), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x55772f068e50), _94510)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _117948)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _133958)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x55772f068e50), _139528)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _141386)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] get_char((0x55772f068e50), _157396)
   Exit: (192) [system] get_char((0x55772f068e50), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x55772f068e50), _139528)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _162966)
   Exit: (194) [system] peek_char((0x55772f068e50), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _178976)
   Exit: (193) [system] peek_char((0x55772f068e50), :)
   Call: (193) [system] (:)=')'
   Fail: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _184546)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _186404)
   Exit: (195) [system] peek_char((0x55772f068e50), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _202414)
   Exit: (194) [system] get_char((0x55772f068e50), :)
   Call: (194) [system] (:)='('
   Fail: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Fail: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Fail: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Fail: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Fail: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Fail: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Fail: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x55772f068e50), :, _184546)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _220056)
   Call: (196) [system] peek_char((0x55772f068e50), _220990)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _220056=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (195) [user] classify_and_convert_charseq([:], _184546)
^  Call: (196) [user] classify_and_convert_charseq_([:], _230274)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_231226, _231228), once(user:catch(read_from_chars([:], _230274), _231208, fail)), '$restore_trace'(_231226, _231228))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_231226, _231228))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _231208, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq_([:], :)
   Call: (196) [system] integer(:)
   Fail: (196) [system] integer(:)
   Call: (196) [system] _184546=(:)
   Exit: (196) [system] (:)=(:)
^  Exit: (195) [user] classify_and_convert_charseq([:], :)
^  Exit: (194) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (193) [user] read_list(')', (0x55772f068e50), _243354)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _245212)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _254806)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _257510)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _274444)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _280014)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _281872)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _297882)
   Exit: (195) [system] get_char((0x55772f068e50), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x55772f068e50), $, _280014)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _315524)
   Call: (197) [system] peek_char((0x55772f068e50), _316458)
   Exit: (197) [system] peek_char((0x55772f068e50), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_321178, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_322110, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x55772f068e50), r)
   Exit: (197) [system] get_char((0x55772f068e50), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _329460)
   Call: (198) [system] peek_char((0x55772f068e50), _330394)
   Exit: (198) [system] peek_char((0x55772f068e50), u)
^  Call: (198) [user] is_delimiter(u)
   Call: (199) [system] char_type(u, space)
   Fail: (199) [system] char_type(u, space)
   Call: (199) [system] arg(_335114, v('(', ')', end_of_file), u)
   Fail: (199) [system] arg(_336046, v('(', ')', end_of_file), u)
^  Fail: (198) [user] is_delimiter(u)
   Call: (198) [system] ')'==u
   Fail: (198) [system] ')'==u
   Call: (198) [system] get_char((0x55772f068e50), u)
   Exit: (198) [system] get_char((0x55772f068e50), u)
   Call: (198) [system] u=(\)
   Fail: (198) [system] u=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _343396)
   Call: (199) [system] peek_char((0x55772f068e50), _344330)
   Exit: (199) [system] peek_char((0x55772f068e50), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_349050, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_349982, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x55772f068e50), c)
   Exit: (199) [system] get_char((0x55772f068e50), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _357332)
   Call: (200) [system] peek_char((0x55772f068e50), _358266)
   Exit: (200) [system] peek_char((0x55772f068e50), t)
^  Call: (200) [user] is_delimiter(t)
   Call: (201) [system] char_type(t, space)
   Fail: (201) [system] char_type(t, space)
   Call: (201) [system] arg(_362986, v('(', ')', end_of_file), t)
   Fail: (201) [system] arg(_363918, v('(', ')', end_of_file), t)
^  Fail: (200) [user] is_delimiter(t)
   Call: (200) [system] ')'==t
   Fail: (200) [system] ')'==t
   Call: (200) [system] get_char((0x55772f068e50), t)
   Exit: (200) [system] get_char((0x55772f068e50), t)
   Call: (200) [system] t=(\)
   Fail: (200) [system] t=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _371268)
   Call: (201) [system] peek_char((0x55772f068e50), _372202)
   Exit: (201) [system] peek_char((0x55772f068e50), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_376922, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_377854, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x55772f068e50), o)
   Exit: (201) [system] get_char((0x55772f068e50), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _385204)
   Call: (202) [system] peek_char((0x55772f068e50), _386138)
   Exit: (202) [system] peek_char((0x55772f068e50), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_390858, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_391790, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x55772f068e50), r)
   Exit: (202) [system] get_char((0x55772f068e50), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _399140)
   Call: (203) [system] peek_char((0x55772f068e50), _400074)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _399140=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (202) [system] _385204=[r]
   Exit: (202) [system] [r]=[r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [r])
   Call: (201) [system] _371268=[o, r]
   Exit: (201) [system] [o, r]=[o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [o, r])
   Call: (200) [system] _357332=[t, o, r]
   Exit: (200) [system] [t, o, r]=[t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [t, o, r])
   Call: (199) [system] _343396=[c, t, o, r]
   Exit: (199) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, o, r])
   Call: (198) [system] _329460=[u, c, t, o, r]
   Exit: (198) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, o, r])
   Call: (197) [system] _315524=[r, u, c, t, o, r]
   Exit: (197) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [r, u, c, t, o, r])
^  Call: (196) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _280014)
^  Call: (197) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _426122)
   Call: (198) [system] atom_chars(_427054, ['_', r, u, c, t, o, r])
   Exit: (198) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (197) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _ructor)
   Call: (197) [system] integer(_ructor)
   Fail: (197) [system] integer(_ructor)
   Call: (197) [system] _280014=_ructor
   Exit: (197) [system] _ructor=_ructor
^  Exit: (196) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _ructor)
^  Exit: (195) [user] read_symbolic(')', (0x55772f068e50), $, _ructor)
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), _ructor)
^  Call: (194) [user] read_list(')', (0x55772f068e50), _436346)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _438204)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _447798)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _450502)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _467436)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _473006)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _474864)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _490874)
   Exit: (196) [system] get_char((0x55772f068e50), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x55772f068e50), _473006)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _496444)
   Exit: (198) [system] peek_char((0x55772f068e50), -)
   Call: (198) [system] (-)=(;)
   Fail: (198) [system] (-)=(;)
   Call: (198) [system] (-)=(/)
   Fail: (198) [system] (-)=(/)
^  Call: (198) [user] is_like_space(-)
   Call: (199) [system] char_type(-, 'white')
   Fail: (199) [system] char_type(-, 'white')
   Call: (199) [system] char_type(-, end_of_line)
   Fail: (199) [system] char_type(-, end_of_line)
   Call: (199) [system] char_type(-, space)
   Fail: (199) [system] char_type(-, space)
   Call: (199) [system] char_type(-, cntrl)
   Fail: (199) [system] char_type(-, cntrl)
^  Fail: (198) [user] is_like_space(-)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _512454)
   Exit: (197) [system] peek_char((0x55772f068e50), -)
   Call: (197) [system] (-)=')'
   Fail: (197) [system] (-)=')'
   Call: (197) [system] (-)=end_of_file
   Fail: (197) [system] (-)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _518024)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _519882)
   Exit: (199) [system] peek_char((0x55772f068e50), -)
   Call: (199) [system] (-)=(;)
   Fail: (199) [system] (-)=(;)
   Call: (199) [system] (-)=(/)
   Fail: (199) [system] (-)=(/)
^  Call: (199) [user] is_like_space(-)
   Call: (200) [system] char_type(-, 'white')
   Fail: (200) [system] char_type(-, 'white')
   Call: (200) [system] char_type(-, end_of_line)
   Fail: (200) [system] char_type(-, end_of_line)
   Call: (200) [system] char_type(-, space)
   Fail: (200) [system] char_type(-, space)
   Call: (200) [system] char_type(-, cntrl)
   Fail: (200) [system] char_type(-, cntrl)
^  Fail: (199) [user] is_like_space(-)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _535892)
   Exit: (198) [system] get_char((0x55772f068e50), -)
   Call: (198) [system] (-)='('
   Fail: (198) [system] (-)='('
   Call: (198) [system] (-)='['
   Fail: (198) [system] (-)='['
   Call: (198) [system] (-)='{'
   Fail: (198) [system] (-)='{'
   Call: (198) [system] (-)='"'
   Fail: (198) [system] (-)='"'
   Call: (198) [system] (-)=!
   Fail: (198) [system] (-)=!
   Call: (198) [system] (-)='\''
   Fail: (198) [system] (-)='\''
   Call: (198) [system] (-)='`'
   Fail: (198) [system] (-)='`'
   Call: (198) [system] (-)=end_of_file
   Fail: (198) [system] (-)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x55772f068e50), -, _518024)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _553534)
   Call: (200) [system] peek_char((0x55772f068e50), _554468)
   Exit: (200) [system] peek_char((0x55772f068e50), >)
^  Call: (200) [user] is_delimiter(>)
   Call: (201) [system] char_type(>, space)
   Fail: (201) [system] char_type(>, space)
   Call: (201) [system] arg(_559188, v('(', ')', end_of_file), >)
   Fail: (201) [system] arg(_560120, v('(', ')', end_of_file), >)
^  Fail: (200) [user] is_delimiter(>)
   Call: (200) [system] ')'==(>)
   Fail: (200) [system] ')'==(>)
   Call: (200) [system] get_char((0x55772f068e50), >)
   Exit: (200) [system] get_char((0x55772f068e50), >)
   Call: (200) [system] (>)=(\)
   Fail: (200) [system] (>)=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _567470)
   Call: (201) [system] peek_char((0x55772f068e50), _568404)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _567470=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (200) [system] _553534=[>]
   Exit: (200) [system] [>]=[>]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [>])
^  Call: (199) [user] classify_and_convert_charseq([-, >], _518024)
^  Call: (200) [user] classify_and_convert_charseq_([-, >], _580482)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_581434, _581436), once(user:catch(read_from_chars([-, >], _580482), _581416, fail)), '$restore_trace'(_581434, _581436))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_581434, _581436))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _581416, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(->)
   Exit: (201) [system] atomic(->)
^  Exit: (200) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (200) [system] integer(->)
   Fail: (200) [system] integer(->)
   Call: (200) [system] _518024=(->)
   Exit: (200) [system] (->)=(->)
^  Exit: (199) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (198) [user] read_symbolic(')', (0x55772f068e50), -, ->)
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), ->)
^  Call: (197) [user] read_list(')', (0x55772f068e50), _593562)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _595420)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _605014)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _607718)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _624652)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _630222)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _632080)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _648090)
   Exit: (199) [system] get_char((0x55772f068e50), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x55772f068e50), $, _630222)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _665732)
   Call: (201) [system] peek_char((0x55772f068e50), _666666)
   Exit: (201) [system] peek_char((0x55772f068e50), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_671386, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_672318, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x55772f068e50), p)
   Exit: (201) [system] get_char((0x55772f068e50), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _679668)
   Call: (202) [system] peek_char((0x55772f068e50), _680602)
   Exit: (202) [system] peek_char((0x55772f068e50), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_685322, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_686254, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x55772f068e50), r)
   Exit: (202) [system] get_char((0x55772f068e50), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _693604)
   Call: (203) [system] peek_char((0x55772f068e50), _694538)
   Exit: (203) [system] peek_char((0x55772f068e50), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_699258, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_700190, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x55772f068e50), e)
   Exit: (203) [system] get_char((0x55772f068e50), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _707540)
   Call: (204) [system] peek_char((0x55772f068e50), _708474)
   Exit: (204) [system] peek_char((0x55772f068e50), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_713194, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_714126, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x55772f068e50), m)
   Exit: (204) [system] get_char((0x55772f068e50), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _721476)
   Call: (205) [system] peek_char((0x55772f068e50), _722410)
   Exit: (205) [system] peek_char((0x55772f068e50), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_727130, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_728062, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x55772f068e50), i)
   Exit: (205) [system] get_char((0x55772f068e50), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _735412)
   Call: (206) [system] peek_char((0x55772f068e50), _736346)
   Exit: (206) [system] peek_char((0x55772f068e50), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_741066, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_741998, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x55772f068e50), s)
   Exit: (206) [system] get_char((0x55772f068e50), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _749348)
   Call: (207) [system] peek_char((0x55772f068e50), _750282)
   Exit: (207) [system] peek_char((0x55772f068e50), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_755002, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_755934, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x55772f068e50), e)
   Exit: (207) [system] get_char((0x55772f068e50), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _763284)
   Call: (208) [system] peek_char((0x55772f068e50), _764218)
   Exit: (208) [system] peek_char((0x55772f068e50), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Fail: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_768938, v('(', ')', end_of_file), '1')
   Fail: (209) [system] arg(_769870, v('(', ')', end_of_file), '1')
^  Fail: (208) [user] is_delimiter('1')
   Call: (208) [system] ')'=='1'
   Fail: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x55772f068e50), '1')
   Exit: (208) [system] get_char((0x55772f068e50), '1')
   Call: (208) [system] '1'=(\)
   Fail: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _777220)
   Call: (209) [system] peek_char((0x55772f068e50), _778154)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _777220=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (208) [system] _763284=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), ['1'])
   Call: (207) [system] _749348=[e, '1']
   Exit: (207) [system] [e, '1']=[e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '1'])
   Call: (206) [system] _735412=[s, e, '1']
   Exit: (206) [system] [s, e, '1']=[s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '1'])
   Call: (205) [system] _721476=[i, s, e, '1']
   Exit: (205) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '1'])
   Call: (204) [system] _707540=[m, i, s, e, '1']
   Exit: (204) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '1'])
   Call: (203) [system] _693604=[e, m, i, s, e, '1']
   Exit: (203) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '1'])
   Call: (202) [system] _679668=[r, e, m, i, s, e, '1']
   Exit: (202) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '1'])
   Call: (201) [system] _665732=[p, r, e, m, i, s, e, '1']
   Exit: (201) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '1'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _630222)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _809790)
   Call: (202) [system] atom_chars(_810722, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (202) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _premise1)
   Call: (201) [system] integer(_premise1)
   Fail: (201) [system] integer(_premise1)
   Call: (201) [system] _630222=_premise1
   Exit: (201) [system] _premise1=_premise1
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (199) [user] read_symbolic(')', (0x55772f068e50), $, _premise1)
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), _premise1)
^  Call: (198) [user] read_list(')', (0x55772f068e50), _820014)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _821872)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _831466)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _834170)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _851104)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _856674)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _858532)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _874542)
   Exit: (200) [system] get_char((0x55772f068e50), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), $, _856674)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _892184)
   Call: (202) [system] peek_char((0x55772f068e50), _893118)
   Exit: (202) [system] peek_char((0x55772f068e50), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_897838, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_898770, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x55772f068e50), p)
   Exit: (202) [system] get_char((0x55772f068e50), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _906120)
   Call: (203) [system] peek_char((0x55772f068e50), _907054)
   Exit: (203) [system] peek_char((0x55772f068e50), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_911774, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_912706, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x55772f068e50), r)
   Exit: (203) [system] get_char((0x55772f068e50), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _920056)
   Call: (204) [system] peek_char((0x55772f068e50), _920990)
   Exit: (204) [system] peek_char((0x55772f068e50), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_925710, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_926642, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x55772f068e50), e)
   Exit: (204) [system] get_char((0x55772f068e50), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _933992)
   Call: (205) [system] peek_char((0x55772f068e50), _934926)
   Exit: (205) [system] peek_char((0x55772f068e50), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Fail: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_939646, v('(', ')', end_of_file), m)
   Fail: (206) [system] arg(_940578, v('(', ')', end_of_file), m)
^  Fail: (205) [user] is_delimiter(m)
   Call: (205) [system] ')'==m
   Fail: (205) [system] ')'==m
   Call: (205) [system] get_char((0x55772f068e50), m)
   Exit: (205) [system] get_char((0x55772f068e50), m)
   Call: (205) [system] m=(\)
   Fail: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _947928)
   Call: (206) [system] peek_char((0x55772f068e50), _948862)
   Exit: (206) [system] peek_char((0x55772f068e50), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_953582, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_954514, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x55772f068e50), i)
   Exit: (206) [system] get_char((0x55772f068e50), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _961864)
   Call: (207) [system] peek_char((0x55772f068e50), _962798)
   Exit: (207) [system] peek_char((0x55772f068e50), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_967518, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_968450, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x55772f068e50), s)
   Exit: (207) [system] get_char((0x55772f068e50), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _975800)
   Call: (208) [system] peek_char((0x55772f068e50), _976734)
   Exit: (208) [system] peek_char((0x55772f068e50), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_981454, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_982386, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x55772f068e50), e)
   Exit: (208) [system] get_char((0x55772f068e50), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _989736)
   Call: (209) [system] peek_char((0x55772f068e50), _990670)
   Exit: (209) [system] peek_char((0x55772f068e50), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Fail: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_995390, v('(', ')', end_of_file), '2')
   Fail: (210) [system] arg(_996322, v('(', ')', end_of_file), '2')
^  Fail: (209) [user] is_delimiter('2')
   Call: (209) [system] ')'=='2'
   Fail: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x55772f068e50), '2')
   Exit: (209) [system] get_char((0x55772f068e50), '2')
   Call: (209) [system] '2'=(\)
   Fail: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1003672)
   Call: (210) [system] peek_char((0x55772f068e50), _1004606)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1003672=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (209) [system] _989736=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), ['2'])
   Call: (208) [system] _975800=[e, '2']
   Exit: (208) [system] [e, '2']=[e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '2'])
   Call: (207) [system] _961864=[s, e, '2']
   Exit: (207) [system] [s, e, '2']=[s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '2'])
   Call: (206) [system] _947928=[i, s, e, '2']
   Exit: (206) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '2'])
   Call: (205) [system] _933992=[m, i, s, e, '2']
   Exit: (205) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '2'])
   Call: (204) [system] _920056=[e, m, i, s, e, '2']
   Exit: (204) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '2'])
   Call: (203) [system] _906120=[r, e, m, i, s, e, '2']
   Exit: (203) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '2'])
   Call: (202) [system] _892184=[p, r, e, m, i, s, e, '2']
   Exit: (202) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '2'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _856674)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _1036242)
   Call: (203) [system] atom_chars(_1037174, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (203) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _premise2)
   Call: (202) [system] integer(_premise2)
   Fail: (202) [system] integer(_premise2)
   Call: (202) [system] _856674=_premise2
   Exit: (202) [system] _premise2=_premise2
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), $, _premise2)
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), _premise2)
^  Call: (199) [user] read_list(')', (0x55772f068e50), _1046466)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1048324)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _1057918)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1060622)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1077556)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _1083126)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1084984)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _1100994)
   Exit: (201) [system] get_char((0x55772f068e50), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), $, _1083126)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1118636)
   Call: (203) [system] peek_char((0x55772f068e50), _1119570)
   Exit: (203) [system] peek_char((0x55772f068e50), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1124290, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_1125222, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x55772f068e50), p)
   Exit: (203) [system] get_char((0x55772f068e50), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1132572)
   Call: (204) [system] peek_char((0x55772f068e50), _1133506)
   Exit: (204) [system] peek_char((0x55772f068e50), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1138226, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1139158, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x55772f068e50), r)
   Exit: (204) [system] get_char((0x55772f068e50), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1146508)
   Call: (205) [system] peek_char((0x55772f068e50), _1147442)
   Exit: (205) [system] peek_char((0x55772f068e50), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Fail: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_1152162, v('(', ')', end_of_file), e)
   Fail: (206) [system] arg(_1153094, v('(', ')', end_of_file), e)
^  Fail: (205) [user] is_delimiter(e)
   Call: (205) [system] ')'==e
   Fail: (205) [system] ')'==e
   Call: (205) [system] get_char((0x55772f068e50), e)
   Exit: (205) [system] get_char((0x55772f068e50), e)
   Call: (205) [system] e=(\)
   Fail: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1160444)
   Call: (206) [system] peek_char((0x55772f068e50), _1161378)
   Exit: (206) [system] peek_char((0x55772f068e50), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Fail: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_1166098, v('(', ')', end_of_file), m)
   Fail: (207) [system] arg(_1167030, v('(', ')', end_of_file), m)
^  Fail: (206) [user] is_delimiter(m)
   Call: (206) [system] ')'==m
   Fail: (206) [system] ')'==m
   Call: (206) [system] get_char((0x55772f068e50), m)
   Exit: (206) [system] get_char((0x55772f068e50), m)
   Call: (206) [system] m=(\)
   Fail: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1174380)
   Call: (207) [system] peek_char((0x55772f068e50), _1175314)
   Exit: (207) [system] peek_char((0x55772f068e50), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1180034, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_1180966, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x55772f068e50), i)
   Exit: (207) [system] get_char((0x55772f068e50), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1188316)
   Call: (208) [system] peek_char((0x55772f068e50), _1189250)
   Exit: (208) [system] peek_char((0x55772f068e50), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Fail: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_1193970, v('(', ')', end_of_file), s)
   Fail: (209) [system] arg(_1194902, v('(', ')', end_of_file), s)
^  Fail: (208) [user] is_delimiter(s)
   Call: (208) [system] ')'==s
   Fail: (208) [system] ')'==s
   Call: (208) [system] get_char((0x55772f068e50), s)
   Exit: (208) [system] get_char((0x55772f068e50), s)
   Call: (208) [system] s=(\)
   Fail: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1202252)
   Call: (209) [system] peek_char((0x55772f068e50), _1203186)
   Exit: (209) [system] peek_char((0x55772f068e50), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_1207906, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_1208838, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x55772f068e50), e)
   Exit: (209) [system] get_char((0x55772f068e50), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1216188)
   Call: (210) [system] peek_char((0x55772f068e50), _1217122)
   Exit: (210) [system] peek_char((0x55772f068e50), '3')
^  Call: (210) [user] is_delimiter('3')
   Call: (211) [system] char_type('3', space)
   Fail: (211) [system] char_type('3', space)
   Call: (211) [system] arg(_1221842, v('(', ')', end_of_file), '3')
   Fail: (211) [system] arg(_1222774, v('(', ')', end_of_file), '3')
^  Fail: (210) [user] is_delimiter('3')
   Call: (210) [system] ')'=='3'
   Fail: (210) [system] ')'=='3'
   Call: (210) [system] get_char((0x55772f068e50), '3')
   Exit: (210) [system] get_char((0x55772f068e50), '3')
   Call: (210) [system] '3'=(\)
   Fail: (210) [system] '3'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1230124)
   Call: (211) [system] peek_char((0x55772f068e50), _1231058)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1230124=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (210) [system] _1216188=['3']
   Exit: (210) [system] ['3']=['3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), ['3'])
   Call: (209) [system] _1202252=[e, '3']
   Exit: (209) [system] [e, '3']=[e, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '3'])
   Call: (208) [system] _1188316=[s, e, '3']
   Exit: (208) [system] [s, e, '3']=[s, e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '3'])
   Call: (207) [system] _1174380=[i, s, e, '3']
   Exit: (207) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '3'])
   Call: (206) [system] _1160444=[m, i, s, e, '3']
   Exit: (206) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '3'])
   Call: (205) [system] _1146508=[e, m, i, s, e, '3']
   Exit: (205) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '3'])
   Call: (204) [system] _1132572=[r, e, m, i, s, e, '3']
   Exit: (204) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '3'])
   Call: (203) [system] _1118636=[p, r, e, m, i, s, e, '3']
   Exit: (203) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '3'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _1083126)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _1262694)
   Call: (204) [system] atom_chars(_1263626, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (204) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _premise3)
   Call: (203) [system] integer(_premise3)
   Fail: (203) [system] integer(_premise3)
   Call: (203) [system] _1083126=_premise3
   Exit: (203) [system] _premise3=_premise3
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), $, _premise3)
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), _premise3)
^  Call: (200) [user] read_list(')', (0x55772f068e50), _1272918)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1274776)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _1284370)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1287074)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1304008)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _1309578)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1311436)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _1327446)
   Exit: (202) [system] get_char((0x55772f068e50), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), $, _1309578)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1345088)
   Call: (204) [system] peek_char((0x55772f068e50), _1346022)
   Exit: (204) [system] peek_char((0x55772f068e50), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1350742, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_1351674, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x55772f068e50), p)
   Exit: (204) [system] get_char((0x55772f068e50), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1359024)
   Call: (205) [system] peek_char((0x55772f068e50), _1359958)
   Exit: (205) [system] peek_char((0x55772f068e50), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1364678, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1365610, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x55772f068e50), r)
   Exit: (205) [system] get_char((0x55772f068e50), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1372960)
   Call: (206) [system] peek_char((0x55772f068e50), _1373894)
   Exit: (206) [system] peek_char((0x55772f068e50), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_1378614, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_1379546, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x55772f068e50), e)
   Exit: (206) [system] get_char((0x55772f068e50), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1386896)
   Call: (207) [system] peek_char((0x55772f068e50), _1387830)
   Exit: (207) [system] peek_char((0x55772f068e50), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_1392550, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_1393482, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x55772f068e50), m)
   Exit: (207) [system] get_char((0x55772f068e50), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1400832)
   Call: (208) [system] peek_char((0x55772f068e50), _1401766)
   Exit: (208) [system] peek_char((0x55772f068e50), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1406486, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1407418, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x55772f068e50), i)
   Exit: (208) [system] get_char((0x55772f068e50), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1414768)
   Call: (209) [system] peek_char((0x55772f068e50), _1415702)
   Exit: (209) [system] peek_char((0x55772f068e50), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_1420422, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_1421354, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x55772f068e50), s)
   Exit: (209) [system] get_char((0x55772f068e50), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1428704)
   Call: (210) [system] peek_char((0x55772f068e50), _1429638)
   Exit: (210) [system] peek_char((0x55772f068e50), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_1434358, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_1435290, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x55772f068e50), e)
   Exit: (210) [system] get_char((0x55772f068e50), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1442640)
   Call: (211) [system] peek_char((0x55772f068e50), _1443574)
   Exit: (211) [system] peek_char((0x55772f068e50), '4')
^  Call: (211) [user] is_delimiter('4')
   Call: (212) [system] char_type('4', space)
   Fail: (212) [system] char_type('4', space)
   Call: (212) [system] arg(_1448294, v('(', ')', end_of_file), '4')
   Fail: (212) [system] arg(_1449226, v('(', ')', end_of_file), '4')
^  Fail: (211) [user] is_delimiter('4')
   Call: (211) [system] ')'=='4'
   Fail: (211) [system] ')'=='4'
   Call: (211) [system] get_char((0x55772f068e50), '4')
   Exit: (211) [system] get_char((0x55772f068e50), '4')
   Call: (211) [system] '4'=(\)
   Fail: (211) [system] '4'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1456576)
   Call: (212) [system] peek_char((0x55772f068e50), _1457510)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1456576=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (211) [system] _1442640=['4']
   Exit: (211) [system] ['4']=['4']
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), ['4'])
   Call: (210) [system] _1428704=[e, '4']
   Exit: (210) [system] [e, '4']=[e, '4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '4'])
   Call: (209) [system] _1414768=[s, e, '4']
   Exit: (209) [system] [s, e, '4']=[s, e, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '4'])
   Call: (208) [system] _1400832=[i, s, e, '4']
   Exit: (208) [system] [i, s, e, '4']=[i, s, e, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '4'])
   Call: (207) [system] _1386896=[m, i, s, e, '4']
   Exit: (207) [system] [m, i, s, e, '4']=[m, i, s, e, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '4'])
   Call: (206) [system] _1372960=[e, m, i, s, e, '4']
   Exit: (206) [system] [e, m, i, s, e, '4']=[e, m, i, s, e, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '4'])
   Call: (205) [system] _1359024=[r, e, m, i, s, e, '4']
   Exit: (205) [system] [r, e, m, i, s, e, '4']=[r, e, m, i, s, e, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '4'])
   Call: (204) [system] _1345088=[p, r, e, m, i, s, e, '4']
   Exit: (204) [system] [p, r, e, m, i, s, e, '4']=[p, r, e, m, i, s, e, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '4'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '4'], _1309578)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '4'], _1489146)
   Call: (205) [system] atom_chars(_1490078, ['_', p, r, e, m, i, s, e, '4'])
   Exit: (205) [system] atom_chars('_premise4', ['_', p, r, e, m, i, s, e, '4'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '4'], _premise4)
   Call: (204) [system] integer(_premise4)
   Fail: (204) [system] integer(_premise4)
   Call: (204) [system] _1309578=_premise4
   Exit: (204) [system] _premise4=_premise4
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '4'], _premise4)
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), $, _premise4)
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), _premise4)
^  Call: (201) [user] read_list(')', (0x55772f068e50), _1499370)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1501228)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _1510822)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1513526)
   Exit: (204) [system] peek_char((0x55772f068e50), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1530460)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x55772f068e50), _1536030)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1537888)
   Exit: (204) [system] peek_char((0x55772f068e50), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] get_char((0x55772f068e50), _1553898)
   Exit: (203) [system] get_char((0x55772f068e50), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x55772f068e50), $, _1536030)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1571540)
   Call: (205) [system] peek_char((0x55772f068e50), _1572474)
   Exit: (205) [system] peek_char((0x55772f068e50), c)
^  Call: (205) [user] is_delimiter(c)
   Call: (206) [system] char_type(c, space)
   Fail: (206) [system] char_type(c, space)
   Call: (206) [system] arg(_1577194, v('(', ')', end_of_file), c)
   Fail: (206) [system] arg(_1578126, v('(', ')', end_of_file), c)
^  Fail: (205) [user] is_delimiter(c)
   Call: (205) [system] ')'==c
   Fail: (205) [system] ')'==c
   Call: (205) [system] get_char((0x55772f068e50), c)
   Exit: (205) [system] get_char((0x55772f068e50), c)
   Call: (205) [system] c=(\)
   Fail: (205) [system] c=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1585476)
   Call: (206) [system] peek_char((0x55772f068e50), _1586410)
   Exit: (206) [system] peek_char((0x55772f068e50), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1591130, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1592062, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x55772f068e50), o)
   Exit: (206) [system] get_char((0x55772f068e50), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1599412)
   Call: (207) [system] peek_char((0x55772f068e50), _1600346)
   Exit: (207) [system] peek_char((0x55772f068e50), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_1605066, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_1605998, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x55772f068e50), n)
   Exit: (207) [system] get_char((0x55772f068e50), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1613348)
   Call: (208) [system] peek_char((0x55772f068e50), _1614282)
   Exit: (208) [system] peek_char((0x55772f068e50), c)
^  Call: (208) [user] is_delimiter(c)
   Call: (209) [system] char_type(c, space)
   Fail: (209) [system] char_type(c, space)
   Call: (209) [system] arg(_1619002, v('(', ')', end_of_file), c)
   Fail: (209) [system] arg(_1619934, v('(', ')', end_of_file), c)
^  Fail: (208) [user] is_delimiter(c)
   Call: (208) [system] ')'==c
   Fail: (208) [system] ')'==c
   Call: (208) [system] get_char((0x55772f068e50), c)
   Exit: (208) [system] get_char((0x55772f068e50), c)
   Call: (208) [system] c=(\)
   Fail: (208) [system] c=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1627284)
   Call: (209) [system] peek_char((0x55772f068e50), _1628218)
   Exit: (209) [system] peek_char((0x55772f068e50), l)
^  Call: (209) [user] is_delimiter(l)
   Call: (210) [system] char_type(l, space)
   Fail: (210) [system] char_type(l, space)
   Call: (210) [system] arg(_1632938, v('(', ')', end_of_file), l)
   Fail: (210) [system] arg(_1633870, v('(', ')', end_of_file), l)
^  Fail: (209) [user] is_delimiter(l)
   Call: (209) [system] ')'==l
   Fail: (209) [system] ')'==l
   Call: (209) [system] get_char((0x55772f068e50), l)
   Exit: (209) [system] get_char((0x55772f068e50), l)
   Call: (209) [system] l=(\)
   Fail: (209) [system] l=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1641220)
   Call: (210) [system] peek_char((0x55772f068e50), _1642154)
   Exit: (210) [system] peek_char((0x55772f068e50), u)
^  Call: (210) [user] is_delimiter(u)
   Call: (211) [system] char_type(u, space)
   Fail: (211) [system] char_type(u, space)
   Call: (211) [system] arg(_1646874, v('(', ')', end_of_file), u)
   Fail: (211) [system] arg(_1647806, v('(', ')', end_of_file), u)
^  Fail: (210) [user] is_delimiter(u)
   Call: (210) [system] ')'==u
   Fail: (210) [system] ')'==u
   Call: (210) [system] get_char((0x55772f068e50), u)
   Exit: (210) [system] get_char((0x55772f068e50), u)
   Call: (210) [system] u=(\)
   Fail: (210) [system] u=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1655156)
   Call: (211) [system] peek_char((0x55772f068e50), _1656090)
   Exit: (211) [system] peek_char((0x55772f068e50), s)
^  Call: (211) [user] is_delimiter(s)
   Call: (212) [system] char_type(s, space)
   Fail: (212) [system] char_type(s, space)
   Call: (212) [system] arg(_1660810, v('(', ')', end_of_file), s)
   Fail: (212) [system] arg(_1661742, v('(', ')', end_of_file), s)
^  Fail: (211) [user] is_delimiter(s)
   Call: (211) [system] ')'==s
   Fail: (211) [system] ')'==s
   Call: (211) [system] get_char((0x55772f068e50), s)
   Exit: (211) [system] get_char((0x55772f068e50), s)
   Call: (211) [system] s=(\)
   Fail: (211) [system] s=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1669092)
   Call: (212) [system] peek_char((0x55772f068e50), _1670026)
   Exit: (212) [system] peek_char((0x55772f068e50), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1674746, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_1675678, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x55772f068e50), i)
   Exit: (212) [system] get_char((0x55772f068e50), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1683028)
   Call: (213) [system] peek_char((0x55772f068e50), _1683962)
   Exit: (213) [system] peek_char((0x55772f068e50), o)
^  Call: (213) [user] is_delimiter(o)
   Call: (214) [system] char_type(o, space)
   Fail: (214) [system] char_type(o, space)
   Call: (214) [system] arg(_1688682, v('(', ')', end_of_file), o)
   Fail: (214) [system] arg(_1689614, v('(', ')', end_of_file), o)
^  Fail: (213) [user] is_delimiter(o)
   Call: (213) [system] ')'==o
   Fail: (213) [system] ')'==o
   Call: (213) [system] get_char((0x55772f068e50), o)
   Exit: (213) [system] get_char((0x55772f068e50), o)
   Call: (213) [system] o=(\)
   Fail: (213) [system] o=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1696964)
   Call: (214) [system] peek_char((0x55772f068e50), _1697898)
   Exit: (214) [system] peek_char((0x55772f068e50), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1702618, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1703550, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x55772f068e50), n)
   Exit: (214) [system] get_char((0x55772f068e50), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1710900)
   Call: (215) [system] peek_char((0x55772f068e50), _1711834)
   Exit: (215) [system] peek_char((0x55772f068e50), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_1716554, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _1710900=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (214) [system] _1696964=[n]
   Exit: (214) [system] [n]=[n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (213) [system] _1683028=[o, n]
   Exit: (213) [system] [o, n]=[o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (212) [system] _1669092=[i, o, n]
   Exit: (212) [system] [i, o, n]=[i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (211) [system] _1655156=[s, i, o, n]
   Exit: (211) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [s, i, o, n])
   Call: (210) [system] _1641220=[u, s, i, o, n]
   Exit: (210) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [u, s, i, o, n])
   Call: (209) [system] _1627284=[l, u, s, i, o, n]
   Exit: (209) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [l, u, s, i, o, n])
   Call: (208) [system] _1613348=[c, l, u, s, i, o, n]
   Exit: (208) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [c, l, u, s, i, o, n])
   Call: (207) [system] _1599412=[n, c, l, u, s, i, o, n]
   Exit: (207) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, l, u, s, i, o, n])
   Call: (206) [system] _1585476=[o, n, c, l, u, s, i, o, n]
   Exit: (206) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, c, l, u, s, i, o, n])
   Call: (205) [system] _1571540=[c, o, n, c, l, u, s, i, o, n]
   Exit: (205) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [c, o, n, c, l, u, s, i, o, n])
^  Call: (204) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _1536030)
^  Call: (205) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _1750930)
   Call: (206) [system] atom_chars(_1751862, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (206) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (205) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
   Call: (205) [system] integer(_conclusion)
   Fail: (205) [system] integer(_conclusion)
   Call: (205) [system] _1536030=_conclusion
   Exit: (205) [system] _conclusion=_conclusion
^  Exit: (204) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (203) [user] read_symbolic(')', (0x55772f068e50), $, _conclusion)
^  Exit: (202) [user] cont_sexpr(')', (0x55772f068e50), _conclusion)
^  Call: (202) [user] read_list(')', (0x55772f068e50), _1761154)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1763012)
   Exit: (204) [system] peek_char((0x55772f068e50), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1779022)
   Exit: (203) [system] peek_char((0x55772f068e50), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x55772f068e50), _1782812)
   Exit: (203) [system] get_char((0x55772f068e50), ')')
   Call: (203) [system] _1761154=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x55772f068e50), [])
   Call: (202) [system] _1499370=[_conclusion]
   Exit: (202) [system] [_conclusion]=[_conclusion]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [_conclusion])
   Call: (201) [system] _1272918=[_premise4, _conclusion]
   Exit: (201) [system] [_premise4, _conclusion]=[_premise4, _conclusion]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [_premise4, _conclusion])
   Call: (200) [system] _1046466=[_premise3, _premise4, _conclusion]
   Exit: (200) [system] [_premise3, _premise4, _conclusion]=[_premise3, _premise4, _conclusion]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [_premise3, _premise4, _conclusion])
   Call: (199) [system] _820014=[_premise2, _premise3, _premise4, _conclusion]
   Exit: (199) [system] [_premise2, _premise3, _premise4, _conclusion]=[_premise2, _premise3, _premise4, _conclusion]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [_premise2, _premise3, _premise4, _conclusion])
   Call: (198) [system] _593562=[_premise1, _premise2, _premise3, _premise4, _conclusion]
   Exit: (198) [system] [_premise1, _premise2, _premise3, _premise4, _conclusion]=[_premise1, _premise2, _premise3, _premise4, _conclusion]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [_premise1, _premise2, _premise3, _premise4, _conclusion])
   Call: (197) [system] _473006=[->, _premise1, _premise2, _premise3, _premise4, _conclusion]
   Exit: (197) [system] [->, _premise1, _premise2, _premise3, _premise4, _conclusion]=[->, _premise1, _premise2, _premise3, _premise4, _conclusion]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [->, _premise1, _premise2, _premise3, _premise4, _conclusion])
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), [->, _premise1, _premise2, _premise3, _premise4, _conclusion])
^  Call: (195) [user] read_list(')', (0x55772f068e50), _1805076)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1806934)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1822944)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x55772f068e50), _1826734)
   Exit: (196) [system] get_char((0x55772f068e50), ')')
   Call: (196) [system] _1805076=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [])
   Call: (195) [system] _436346=[[->, _premise1, _premise2, _premise3, _premise4, _conclusion]]
   Exit: (195) [system] [[->, _premise1, _premise2, _premise3, _premise4, _conclusion]]=[[->, _premise1, _premise2, _premise3, _premise4, _conclusion]]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [[->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
   Call: (194) [system] _243354=[_ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]
   Exit: (194) [system] [_ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]=[_ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [_ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
   Call: (193) [system] _139528=[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]
   Exit: (193) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]=[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
^  Exit: (191) [user] cont_sexpr(')', (0x55772f068e50), [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
^  Call: (191) [user] read_list(')', (0x55772f068e50), _1840616)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1842474)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _1852068)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1854772)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1871706)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _1877276)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1879134)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _1895144)
   Exit: (193) [system] get_char((0x55772f068e50), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x55772f068e50), _1877276)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1900714)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1916724)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _1922294)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1924152)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _1940162)
   Exit: (195) [system] get_char((0x55772f068e50), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x55772f068e50), $, _1922294)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1957804)
   Call: (197) [system] peek_char((0x55772f068e50), _1958738)
   Exit: (197) [system] peek_char((0x55772f068e50), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_1963458, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_1964390, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x55772f068e50), r)
   Exit: (197) [system] get_char((0x55772f068e50), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1971740)
   Call: (198) [system] peek_char((0x55772f068e50), _1972674)
   Exit: (198) [system] peek_char((0x55772f068e50), b)
^  Call: (198) [user] is_delimiter(b)
   Call: (199) [system] char_type(b, space)
   Fail: (199) [system] char_type(b, space)
   Call: (199) [system] arg(_1977394, v('(', ')', end_of_file), b)
   Fail: (199) [system] arg(_1978326, v('(', ')', end_of_file), b)
^  Fail: (198) [user] is_delimiter(b)
   Call: (198) [system] ')'==b
   Fail: (198) [system] ')'==b
   Call: (198) [system] get_char((0x55772f068e50), b)
   Exit: (198) [system] get_char((0x55772f068e50), b)
   Call: (198) [system] b=(\)
   Fail: (198) [system] b=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1985676)
   Call: (199) [system] peek_char((0x55772f068e50), _1986610)
   Exit: (199) [system] peek_char((0x55772f068e50), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1991330, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1985676=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (198) [system] _1971740=[b]
   Exit: (198) [system] [b]=[b]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (197) [system] _1957804=[r, b]
   Exit: (197) [system] [r, b]=[r, b]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [r, b])
^  Call: (196) [user] classify_and_convert_charseq([$, r, b], _1922294)
^  Call: (197) [user] classify_and_convert_charseq_([$, r, b], _2003354)
   Call: (198) [system] atom_chars(_2004286, ['_', r, b])
   Exit: (198) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (197) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (197) [system] integer(_rb)
   Fail: (197) [system] integer(_rb)
   Call: (197) [system] _1922294=_rb
   Exit: (197) [system] _rb=_rb
^  Exit: (196) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (195) [user] read_symbolic(')', (0x55772f068e50), $, _rb)
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), _rb)
^  Call: (194) [user] read_list(')', (0x55772f068e50), _2013578)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _2015436)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _2031446)
   Exit: (195) [system] peek_char((0x55772f068e50), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x55772f068e50), _2035236)
   Exit: (195) [system] get_char((0x55772f068e50), ')')
   Call: (195) [system] _2013578=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [])
   Call: (194) [system] _1877276=[_rb]
   Exit: (194) [system] [_rb]=[_rb]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [_rb])
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), [_rb])
^  Call: (192) [user] read_list(')', (0x55772f068e50), _2043530)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _2045388)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _2061398)
   Exit: (193) [system] peek_char((0x55772f068e50), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x55772f068e50), _2065188)
   Exit: (193) [system] get_char((0x55772f068e50), ')')
   Call: (193) [system] _2043530=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [])
   Call: (192) [system] _1840616=[[_rb]]
   Exit: (192) [system] [[_rb]]=[[_rb]]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [[_rb]])
   Call: (191) [system] _94510=[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]]
   Exit: (191) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]]=[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]]
^  Exit: (190) [user] read_list(')', (0x55772f068e50), [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]])
^  Exit: (189) [user] cont_sexpr(')', (0x55772f068e50), [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]])
^  Call: (189) [user] read_list(')', (0x55772f068e50), _2076276)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _2078134)
   Exit: (191) [system] peek_char((0x55772f068e50), '\n')
   Call: (191) [system] '\n'=(;)
   Fail: (191) [system] '\n'=(;)
   Call: (191) [system] '\n'=(/)
   Fail: (191) [system] '\n'=(/)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Fail: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x55772f068e50), _2089584)
   Exit: (191) [system] get_char((0x55772f068e50), '\n')
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _2092288)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x55772f068e50), _8466)
   Exit: (192) [system] get_char((0x55772f068e50), ' ')
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _11170)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _20764)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _23468)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _33062)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _35766)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _45360)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _48064)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _57658)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _60362)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _69956)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _72660)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _82254)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _84958)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _94552)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _97256)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _106850)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _109554)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _119148)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _121852)
   Exit: (202) [system] peek_char((0x55772f068e50), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _148026)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x55772f068e50), _153596)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _155454)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] get_char((0x55772f068e50), _171464)
   Exit: (191) [system] get_char((0x55772f068e50), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x55772f068e50), _153596)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _177034)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _193044)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _198614)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _200472)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _216482)
   Exit: (193) [system] get_char((0x55772f068e50), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x55772f068e50), _198614)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _222052)
   Exit: (195) [system] peek_char((0x55772f068e50), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _238062)
   Exit: (194) [system] peek_char((0x55772f068e50), :)
   Call: (194) [system] (:)=')'
   Fail: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _243632)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _245490)
   Exit: (196) [system] peek_char((0x55772f068e50), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _261500)
   Exit: (195) [system] get_char((0x55772f068e50), :)
   Call: (195) [system] (:)='('
   Fail: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Fail: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Fail: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Fail: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Fail: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Fail: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Fail: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x55772f068e50), :, _243632)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _279142)
   Call: (197) [system] peek_char((0x55772f068e50), _280076)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _279142=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (196) [user] classify_and_convert_charseq([:], _243632)
^  Call: (197) [user] classify_and_convert_charseq_([:], _289360)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_290312, _290314), once(user:catch(read_from_chars([:], _289360), _290294, fail)), '$restore_trace'(_290312, _290314))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_290312, _290314))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _290294, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq_([:], :)
   Call: (197) [system] integer(:)
   Fail: (197) [system] integer(:)
   Call: (197) [system] _243632=(:)
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] classify_and_convert_charseq([:], :)
^  Exit: (195) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (194) [user] read_list(')', (0x55772f068e50), _302440)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _304298)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _313892)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _316596)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _333530)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _339100)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _340958)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _356968)
   Exit: (196) [system] get_char((0x55772f068e50), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x55772f068e50), _339100)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _362538)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _378548)
   Exit: (197) [system] peek_char((0x55772f068e50), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _384118)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _385976)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _401986)
   Exit: (198) [system] get_char((0x55772f068e50), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x55772f068e50), $, _384118)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _419628)
   Call: (200) [system] peek_char((0x55772f068e50), _420562)
   Exit: (200) [system] peek_char((0x55772f068e50), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_425282, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_426214, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x55772f068e50), r)
   Exit: (200) [system] get_char((0x55772f068e50), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _433564)
   Call: (201) [system] peek_char((0x55772f068e50), _434498)
   Exit: (201) [system] peek_char((0x55772f068e50), u)
^  Call: (201) [user] is_delimiter(u)
   Call: (202) [system] char_type(u, space)
   Fail: (202) [system] char_type(u, space)
   Call: (202) [system] arg(_439218, v('(', ')', end_of_file), u)
   Fail: (202) [system] arg(_440150, v('(', ')', end_of_file), u)
^  Fail: (201) [user] is_delimiter(u)
   Call: (201) [system] ')'==u
   Fail: (201) [system] ')'==u
   Call: (201) [system] get_char((0x55772f068e50), u)
   Exit: (201) [system] get_char((0x55772f068e50), u)
   Call: (201) [system] u=(\)
   Fail: (201) [system] u=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _447500)
   Call: (202) [system] peek_char((0x55772f068e50), _448434)
   Exit: (202) [system] peek_char((0x55772f068e50), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_453154, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_454086, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x55772f068e50), c)
   Exit: (202) [system] get_char((0x55772f068e50), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _461436)
   Call: (203) [system] peek_char((0x55772f068e50), _462370)
   Exit: (203) [system] peek_char((0x55772f068e50), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Fail: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_467090, v('(', ')', end_of_file), t)
   Fail: (204) [system] arg(_468022, v('(', ')', end_of_file), t)
^  Fail: (203) [user] is_delimiter(t)
   Call: (203) [system] ')'==t
   Fail: (203) [system] ')'==t
   Call: (203) [system] get_char((0x55772f068e50), t)
   Exit: (203) [system] get_char((0x55772f068e50), t)
   Call: (203) [system] t=(\)
   Fail: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _475372)
   Call: (204) [system] peek_char((0x55772f068e50), _476306)
   Exit: (204) [system] peek_char((0x55772f068e50), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_481026, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_481958, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x55772f068e50), o)
   Exit: (204) [system] get_char((0x55772f068e50), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _489308)
   Call: (205) [system] peek_char((0x55772f068e50), _490242)
   Exit: (205) [system] peek_char((0x55772f068e50), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_494962, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_495894, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x55772f068e50), r)
   Exit: (205) [system] get_char((0x55772f068e50), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _503244)
   Call: (206) [system] peek_char((0x55772f068e50), _504178)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _503244=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (205) [system] _489308=[r]
   Exit: (205) [system] [r]=[r]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [r])
   Call: (204) [system] _475372=[o, r]
   Exit: (204) [system] [o, r]=[o, r]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [o, r])
   Call: (203) [system] _461436=[t, o, r]
   Exit: (203) [system] [t, o, r]=[t, o, r]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [t, o, r])
   Call: (202) [system] _447500=[c, t, o, r]
   Exit: (202) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, o, r])
   Call: (201) [system] _433564=[u, c, t, o, r]
   Exit: (201) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, o, r])
   Call: (200) [system] _419628=[r, u, c, t, o, r]
   Exit: (200) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [r, u, c, t, o, r])
^  Call: (199) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _384118)
^  Call: (200) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _530226)
   Call: (201) [system] atom_chars(_531158, ['_', r, u, c, t, o, r])
   Exit: (201) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (200) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _ructor)
   Call: (200) [system] integer(_ructor)
   Fail: (200) [system] integer(_ructor)
   Call: (200) [system] _384118=_ructor
   Exit: (200) [system] _ructor=_ructor
^  Exit: (199) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _ructor)
^  Exit: (198) [user] read_symbolic(')', (0x55772f068e50), $, _ructor)
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), _ructor)
^  Call: (197) [user] read_list(')', (0x55772f068e50), _540450)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _542308)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _551902)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _554606)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _571540)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _577110)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _578968)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _594978)
   Exit: (199) [system] get_char((0x55772f068e50), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x55772f068e50), $, _577110)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _612620)
   Call: (201) [system] peek_char((0x55772f068e50), _613554)
   Exit: (201) [system] peek_char((0x55772f068e50), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_618274, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_619206, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x55772f068e50), p)
   Exit: (201) [system] get_char((0x55772f068e50), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _626556)
   Call: (202) [system] peek_char((0x55772f068e50), _627490)
   Exit: (202) [system] peek_char((0x55772f068e50), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_632210, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_633142, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x55772f068e50), r)
   Exit: (202) [system] get_char((0x55772f068e50), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _640492)
   Call: (203) [system] peek_char((0x55772f068e50), _641426)
   Exit: (203) [system] peek_char((0x55772f068e50), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_646146, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_647078, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x55772f068e50), o)
   Exit: (203) [system] get_char((0x55772f068e50), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _654428)
   Call: (204) [system] peek_char((0x55772f068e50), _655362)
   Exit: (204) [system] peek_char((0x55772f068e50), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_660082, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_661014, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x55772f068e50), o)
   Exit: (204) [system] get_char((0x55772f068e50), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _668364)
   Call: (205) [system] peek_char((0x55772f068e50), _669298)
   Exit: (205) [system] peek_char((0x55772f068e50), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Fail: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_674018, v('(', ')', end_of_file), f)
   Fail: (206) [system] arg(_674950, v('(', ')', end_of_file), f)
^  Fail: (205) [user] is_delimiter(f)
   Call: (205) [system] ')'==f
   Fail: (205) [system] ')'==f
   Call: (205) [system] get_char((0x55772f068e50), f)
   Exit: (205) [system] get_char((0x55772f068e50), f)
   Call: (205) [system] f=(\)
   Fail: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _682300)
   Call: (206) [system] peek_char((0x55772f068e50), _683234)
   Exit: (206) [system] peek_char((0x55772f068e50), '1')
^  Call: (206) [user] is_delimiter('1')
   Call: (207) [system] char_type('1', space)
   Fail: (207) [system] char_type('1', space)
   Call: (207) [system] arg(_687954, v('(', ')', end_of_file), '1')
   Fail: (207) [system] arg(_688886, v('(', ')', end_of_file), '1')
^  Fail: (206) [user] is_delimiter('1')
   Call: (206) [system] ')'=='1'
   Fail: (206) [system] ')'=='1'
   Call: (206) [system] get_char((0x55772f068e50), '1')
   Exit: (206) [system] get_char((0x55772f068e50), '1')
   Call: (206) [system] '1'=(\)
   Fail: (206) [system] '1'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _696236)
   Call: (207) [system] peek_char((0x55772f068e50), _697170)
   Exit: (207) [system] peek_char((0x55772f068e50), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _696236=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (206) [system] _682300=['1']
   Exit: (206) [system] ['1']=['1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), ['1'])
   Call: (205) [system] _668364=[f, '1']
   Exit: (205) [system] [f, '1']=[f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '1'])
   Call: (204) [system] _654428=[o, f, '1']
   Exit: (204) [system] [o, f, '1']=[o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '1'])
   Call: (203) [system] _640492=[o, o, f, '1']
   Exit: (203) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '1'])
   Call: (202) [system] _626556=[r, o, o, f, '1']
   Exit: (202) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '1'])
   Call: (201) [system] _612620=[p, r, o, o, f, '1']
   Exit: (201) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '1'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _577110)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _723218)
   Call: (202) [system] atom_chars(_724150, ['_', p, r, o, o, f, '1'])
   Exit: (202) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _proof1)
   Call: (201) [system] integer(_proof1)
   Fail: (201) [system] integer(_proof1)
   Call: (201) [system] _577110=_proof1
   Exit: (201) [system] _proof1=_proof1
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _proof1)
^  Exit: (199) [user] read_symbolic(')', (0x55772f068e50), $, _proof1)
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), _proof1)
^  Call: (198) [user] read_list(')', (0x55772f068e50), _733442)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _735300)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _744894)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _747598)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _764532)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _770102)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _771960)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _787970)
   Exit: (200) [system] get_char((0x55772f068e50), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), $, _770102)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _805612)
   Call: (202) [system] peek_char((0x55772f068e50), _806546)
   Exit: (202) [system] peek_char((0x55772f068e50), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_811266, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_812198, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x55772f068e50), p)
   Exit: (202) [system] get_char((0x55772f068e50), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _819548)
   Call: (203) [system] peek_char((0x55772f068e50), _820482)
   Exit: (203) [system] peek_char((0x55772f068e50), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_825202, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_826134, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x55772f068e50), r)
   Exit: (203) [system] get_char((0x55772f068e50), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _833484)
   Call: (204) [system] peek_char((0x55772f068e50), _834418)
   Exit: (204) [system] peek_char((0x55772f068e50), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_839138, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_840070, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x55772f068e50), o)
   Exit: (204) [system] get_char((0x55772f068e50), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _847420)
   Call: (205) [system] peek_char((0x55772f068e50), _848354)
   Exit: (205) [system] peek_char((0x55772f068e50), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_853074, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_854006, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x55772f068e50), o)
   Exit: (205) [system] get_char((0x55772f068e50), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _861356)
   Call: (206) [system] peek_char((0x55772f068e50), _862290)
   Exit: (206) [system] peek_char((0x55772f068e50), f)
^  Call: (206) [user] is_delimiter(f)
   Call: (207) [system] char_type(f, space)
   Fail: (207) [system] char_type(f, space)
   Call: (207) [system] arg(_867010, v('(', ')', end_of_file), f)
   Fail: (207) [system] arg(_867942, v('(', ')', end_of_file), f)
^  Fail: (206) [user] is_delimiter(f)
   Call: (206) [system] ')'==f
   Fail: (206) [system] ')'==f
   Call: (206) [system] get_char((0x55772f068e50), f)
   Exit: (206) [system] get_char((0x55772f068e50), f)
   Call: (206) [system] f=(\)
   Fail: (206) [system] f=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _875292)
   Call: (207) [system] peek_char((0x55772f068e50), _876226)
   Exit: (207) [system] peek_char((0x55772f068e50), '2')
^  Call: (207) [user] is_delimiter('2')
   Call: (208) [system] char_type('2', space)
   Fail: (208) [system] char_type('2', space)
   Call: (208) [system] arg(_880946, v('(', ')', end_of_file), '2')
   Fail: (208) [system] arg(_881878, v('(', ')', end_of_file), '2')
^  Fail: (207) [user] is_delimiter('2')
   Call: (207) [system] ')'=='2'
   Fail: (207) [system] ')'=='2'
   Call: (207) [system] get_char((0x55772f068e50), '2')
   Exit: (207) [system] get_char((0x55772f068e50), '2')
   Call: (207) [system] '2'=(\)
   Fail: (207) [system] '2'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _889228)
   Call: (208) [system] peek_char((0x55772f068e50), _890162)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _889228=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (207) [system] _875292=['2']
   Exit: (207) [system] ['2']=['2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), ['2'])
   Call: (206) [system] _861356=[f, '2']
   Exit: (206) [system] [f, '2']=[f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '2'])
   Call: (205) [system] _847420=[o, f, '2']
   Exit: (205) [system] [o, f, '2']=[o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '2'])
   Call: (204) [system] _833484=[o, o, f, '2']
   Exit: (204) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '2'])
   Call: (203) [system] _819548=[r, o, o, f, '2']
   Exit: (203) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '2'])
   Call: (202) [system] _805612=[p, r, o, o, f, '2']
   Exit: (202) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '2'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _770102)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _916210)
   Call: (203) [system] atom_chars(_917142, ['_', p, r, o, o, f, '2'])
   Exit: (203) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _proof2)
   Call: (202) [system] integer(_proof2)
   Fail: (202) [system] integer(_proof2)
   Call: (202) [system] _770102=_proof2
   Exit: (202) [system] _proof2=_proof2
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _proof2)
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), $, _proof2)
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), _proof2)
^  Call: (199) [user] read_list(')', (0x55772f068e50), _926434)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _928292)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _937886)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _940590)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _957524)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _963094)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _964952)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _980962)
   Exit: (201) [system] get_char((0x55772f068e50), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), $, _963094)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _998604)
   Call: (203) [system] peek_char((0x55772f068e50), _999538)
   Exit: (203) [system] peek_char((0x55772f068e50), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1004258, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_1005190, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x55772f068e50), p)
   Exit: (203) [system] get_char((0x55772f068e50), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1012540)
   Call: (204) [system] peek_char((0x55772f068e50), _1013474)
   Exit: (204) [system] peek_char((0x55772f068e50), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1018194, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1019126, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x55772f068e50), r)
   Exit: (204) [system] get_char((0x55772f068e50), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1026476)
   Call: (205) [system] peek_char((0x55772f068e50), _1027410)
   Exit: (205) [system] peek_char((0x55772f068e50), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1032130, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_1033062, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x55772f068e50), o)
   Exit: (205) [system] get_char((0x55772f068e50), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1040412)
   Call: (206) [system] peek_char((0x55772f068e50), _1041346)
   Exit: (206) [system] peek_char((0x55772f068e50), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1046066, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1046998, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x55772f068e50), o)
   Exit: (206) [system] get_char((0x55772f068e50), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1054348)
   Call: (207) [system] peek_char((0x55772f068e50), _1055282)
   Exit: (207) [system] peek_char((0x55772f068e50), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Fail: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_1060002, v('(', ')', end_of_file), f)
   Fail: (208) [system] arg(_1060934, v('(', ')', end_of_file), f)
^  Fail: (207) [user] is_delimiter(f)
   Call: (207) [system] ')'==f
   Fail: (207) [system] ')'==f
   Call: (207) [system] get_char((0x55772f068e50), f)
   Exit: (207) [system] get_char((0x55772f068e50), f)
   Call: (207) [system] f=(\)
   Fail: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1068284)
   Call: (208) [system] peek_char((0x55772f068e50), _1069218)
   Exit: (208) [system] peek_char((0x55772f068e50), '3')
^  Call: (208) [user] is_delimiter('3')
   Call: (209) [system] char_type('3', space)
   Fail: (209) [system] char_type('3', space)
   Call: (209) [system] arg(_1073938, v('(', ')', end_of_file), '3')
   Fail: (209) [system] arg(_1074870, v('(', ')', end_of_file), '3')
^  Fail: (208) [user] is_delimiter('3')
   Call: (208) [system] ')'=='3'
   Fail: (208) [system] ')'=='3'
   Call: (208) [system] get_char((0x55772f068e50), '3')
   Exit: (208) [system] get_char((0x55772f068e50), '3')
   Call: (208) [system] '3'=(\)
   Fail: (208) [system] '3'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1082220)
   Call: (209) [system] peek_char((0x55772f068e50), _1083154)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1082220=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (208) [system] _1068284=['3']
   Exit: (208) [system] ['3']=['3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), ['3'])
   Call: (207) [system] _1054348=[f, '3']
   Exit: (207) [system] [f, '3']=[f, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '3'])
   Call: (206) [system] _1040412=[o, f, '3']
   Exit: (206) [system] [o, f, '3']=[o, f, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '3'])
   Call: (205) [system] _1026476=[o, o, f, '3']
   Exit: (205) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '3'])
   Call: (204) [system] _1012540=[r, o, o, f, '3']
   Exit: (204) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '3'])
   Call: (203) [system] _998604=[p, r, o, o, f, '3']
   Exit: (203) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '3'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _963094)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _1109202)
   Call: (204) [system] atom_chars(_1110134, ['_', p, r, o, o, f, '3'])
   Exit: (204) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _proof3)
   Call: (203) [system] integer(_proof3)
   Fail: (203) [system] integer(_proof3)
   Call: (203) [system] _963094=_proof3
   Exit: (203) [system] _proof3=_proof3
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _proof3)
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), $, _proof3)
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), _proof3)
^  Call: (200) [user] read_list(')', (0x55772f068e50), _1119426)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1121284)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _1130878)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1133582)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1150516)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _1156086)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1157944)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _1173954)
   Exit: (202) [system] get_char((0x55772f068e50), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), $, _1156086)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1191596)
   Call: (204) [system] peek_char((0x55772f068e50), _1192530)
   Exit: (204) [system] peek_char((0x55772f068e50), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1197250, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_1198182, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x55772f068e50), p)
   Exit: (204) [system] get_char((0x55772f068e50), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1205532)
   Call: (205) [system] peek_char((0x55772f068e50), _1206466)
   Exit: (205) [system] peek_char((0x55772f068e50), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1211186, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1212118, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x55772f068e50), r)
   Exit: (205) [system] get_char((0x55772f068e50), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1219468)
   Call: (206) [system] peek_char((0x55772f068e50), _1220402)
   Exit: (206) [system] peek_char((0x55772f068e50), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1225122, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1226054, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x55772f068e50), o)
   Exit: (206) [system] get_char((0x55772f068e50), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1233404)
   Call: (207) [system] peek_char((0x55772f068e50), _1234338)
   Exit: (207) [system] peek_char((0x55772f068e50), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1239058, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1239990, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x55772f068e50), o)
   Exit: (207) [system] get_char((0x55772f068e50), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1247340)
   Call: (208) [system] peek_char((0x55772f068e50), _1248274)
   Exit: (208) [system] peek_char((0x55772f068e50), f)
^  Call: (208) [user] is_delimiter(f)
   Call: (209) [system] char_type(f, space)
   Fail: (209) [system] char_type(f, space)
   Call: (209) [system] arg(_1252994, v('(', ')', end_of_file), f)
   Fail: (209) [system] arg(_1253926, v('(', ')', end_of_file), f)
^  Fail: (208) [user] is_delimiter(f)
   Call: (208) [system] ')'==f
   Fail: (208) [system] ')'==f
   Call: (208) [system] get_char((0x55772f068e50), f)
   Exit: (208) [system] get_char((0x55772f068e50), f)
   Call: (208) [system] f=(\)
   Fail: (208) [system] f=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1261276)
   Call: (209) [system] peek_char((0x55772f068e50), _1262210)
   Exit: (209) [system] peek_char((0x55772f068e50), '4')
^  Call: (209) [user] is_delimiter('4')
   Call: (210) [system] char_type('4', space)
   Fail: (210) [system] char_type('4', space)
   Call: (210) [system] arg(_1266930, v('(', ')', end_of_file), '4')
   Fail: (210) [system] arg(_1267862, v('(', ')', end_of_file), '4')
^  Fail: (209) [user] is_delimiter('4')
   Call: (209) [system] ')'=='4'
   Fail: (209) [system] ')'=='4'
   Call: (209) [system] get_char((0x55772f068e50), '4')
   Exit: (209) [system] get_char((0x55772f068e50), '4')
   Call: (209) [system] '4'=(\)
   Fail: (209) [system] '4'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1275212)
   Call: (210) [system] peek_char((0x55772f068e50), _1276146)
   Exit: (210) [system] peek_char((0x55772f068e50), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_1280866, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _1275212=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (209) [system] _1261276=['4']
   Exit: (209) [system] ['4']=['4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), ['4'])
   Call: (208) [system] _1247340=[f, '4']
   Exit: (208) [system] [f, '4']=[f, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '4'])
   Call: (207) [system] _1233404=[o, f, '4']
   Exit: (207) [system] [o, f, '4']=[o, f, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '4'])
   Call: (206) [system] _1219468=[o, o, f, '4']
   Exit: (206) [system] [o, o, f, '4']=[o, o, f, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '4'])
   Call: (205) [system] _1205532=[r, o, o, f, '4']
   Exit: (205) [system] [r, o, o, f, '4']=[r, o, o, f, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '4'])
   Call: (204) [system] _1191596=[p, r, o, o, f, '4']
   Exit: (204) [system] [p, r, o, o, f, '4']=[p, r, o, o, f, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '4'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, o, o, f, '4'], _1156086)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '4'], _1304066)
   Call: (205) [system] atom_chars(_1304998, ['_', p, r, o, o, f, '4'])
   Exit: (205) [system] atom_chars('_proof4', ['_', p, r, o, o, f, '4'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '4'], _proof4)
   Call: (204) [system] integer(_proof4)
   Fail: (204) [system] integer(_proof4)
   Call: (204) [system] _1156086=_proof4
   Exit: (204) [system] _proof4=_proof4
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, o, o, f, '4'], _proof4)
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), $, _proof4)
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), _proof4)
^  Call: (201) [user] read_list(')', (0x55772f068e50), _1314290)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1316148)
   Exit: (203) [system] peek_char((0x55772f068e50), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1332158)
   Exit: (202) [system] peek_char((0x55772f068e50), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x55772f068e50), _1335948)
   Exit: (202) [system] get_char((0x55772f068e50), ')')
   Call: (202) [system] _1314290=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [])
   Call: (201) [system] _1119426=[_proof4]
   Exit: (201) [system] [_proof4]=[_proof4]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [_proof4])
   Call: (200) [system] _926434=[_proof3, _proof4]
   Exit: (200) [system] [_proof3, _proof4]=[_proof3, _proof4]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [_proof3, _proof4])
   Call: (199) [system] _733442=[_proof2, _proof3, _proof4]
   Exit: (199) [system] [_proof2, _proof3, _proof4]=[_proof2, _proof3, _proof4]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [_proof2, _proof3, _proof4])
   Call: (198) [system] _540450=[_proof1, _proof2, _proof3, _proof4]
   Exit: (198) [system] [_proof1, _proof2, _proof3, _proof4]=[_proof1, _proof2, _proof3, _proof4]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [_proof1, _proof2, _proof3, _proof4])
   Call: (197) [system] _339100=[_ructor, _proof1, _proof2, _proof3, _proof4]
   Exit: (197) [system] [_ructor, _proof1, _proof2, _proof3, _proof4]=[_ructor, _proof1, _proof2, _proof3, _proof4]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [_ructor, _proof1, _proof2, _proof3, _proof4])
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), [_ructor, _proof1, _proof2, _proof3, _proof4])
^  Call: (195) [user] read_list(')', (0x55772f068e50), _1355418)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1357276)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _1366870)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1369574)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1386508)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _1392078)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1393936)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _1409946)
   Exit: (197) [system] get_char((0x55772f068e50), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x55772f068e50), $, _1392078)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1427588)
   Call: (199) [system] peek_char((0x55772f068e50), _1428522)
   Exit: (199) [system] peek_char((0x55772f068e50), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_1433242, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_1434174, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x55772f068e50), c)
   Exit: (199) [system] get_char((0x55772f068e50), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1441524)
   Call: (200) [system] peek_char((0x55772f068e50), _1442458)
   Exit: (200) [system] peek_char((0x55772f068e50), o)
^  Call: (200) [user] is_delimiter(o)
   Call: (201) [system] char_type(o, space)
   Fail: (201) [system] char_type(o, space)
   Call: (201) [system] arg(_1447178, v('(', ')', end_of_file), o)
   Fail: (201) [system] arg(_1448110, v('(', ')', end_of_file), o)
^  Fail: (200) [user] is_delimiter(o)
   Call: (200) [system] ')'==o
   Fail: (200) [system] ')'==o
   Call: (200) [system] get_char((0x55772f068e50), o)
   Exit: (200) [system] get_char((0x55772f068e50), o)
   Call: (200) [system] o=(\)
   Fail: (200) [system] o=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1455460)
   Call: (201) [system] peek_char((0x55772f068e50), _1456394)
   Exit: (201) [system] peek_char((0x55772f068e50), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_1461114, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_1462046, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x55772f068e50), n)
   Exit: (201) [system] get_char((0x55772f068e50), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1469396)
   Call: (202) [system] peek_char((0x55772f068e50), _1470330)
   Exit: (202) [system] peek_char((0x55772f068e50), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_1475050, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_1475982, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x55772f068e50), c)
   Exit: (202) [system] get_char((0x55772f068e50), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1483332)
   Call: (203) [system] peek_char((0x55772f068e50), _1484266)
   Exit: (203) [system] peek_char((0x55772f068e50), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Fail: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_1488986, v('(', ')', end_of_file), l)
   Fail: (204) [system] arg(_1489918, v('(', ')', end_of_file), l)
^  Fail: (203) [user] is_delimiter(l)
   Call: (203) [system] ')'==l
   Fail: (203) [system] ')'==l
   Call: (203) [system] get_char((0x55772f068e50), l)
   Exit: (203) [system] get_char((0x55772f068e50), l)
   Call: (203) [system] l=(\)
   Fail: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1497268)
   Call: (204) [system] peek_char((0x55772f068e50), _1498202)
   Exit: (204) [system] peek_char((0x55772f068e50), u)
^  Call: (204) [user] is_delimiter(u)
   Call: (205) [system] char_type(u, space)
   Fail: (205) [system] char_type(u, space)
   Call: (205) [system] arg(_1502922, v('(', ')', end_of_file), u)
   Fail: (205) [system] arg(_1503854, v('(', ')', end_of_file), u)
^  Fail: (204) [user] is_delimiter(u)
   Call: (204) [system] ')'==u
   Fail: (204) [system] ')'==u
   Call: (204) [system] get_char((0x55772f068e50), u)
   Exit: (204) [system] get_char((0x55772f068e50), u)
   Call: (204) [system] u=(\)
   Fail: (204) [system] u=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1511204)
   Call: (205) [system] peek_char((0x55772f068e50), _1512138)
   Exit: (205) [system] peek_char((0x55772f068e50), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_1516858, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_1517790, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x55772f068e50), s)
   Exit: (205) [system] get_char((0x55772f068e50), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1525140)
   Call: (206) [system] peek_char((0x55772f068e50), _1526074)
   Exit: (206) [system] peek_char((0x55772f068e50), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1530794, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_1531726, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x55772f068e50), i)
   Exit: (206) [system] get_char((0x55772f068e50), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1539076)
   Call: (207) [system] peek_char((0x55772f068e50), _1540010)
   Exit: (207) [system] peek_char((0x55772f068e50), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1544730, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1545662, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x55772f068e50), o)
   Exit: (207) [system] get_char((0x55772f068e50), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1553012)
   Call: (208) [system] peek_char((0x55772f068e50), _1553946)
   Exit: (208) [system] peek_char((0x55772f068e50), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1558666, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1559598, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x55772f068e50), n)
   Exit: (208) [system] get_char((0x55772f068e50), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1566948)
   Call: (209) [system] peek_char((0x55772f068e50), _1567882)
   Exit: (209) [system] peek_char((0x55772f068e50), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_1572602, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _1566948=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (208) [system] _1553012=[n]
   Exit: (208) [system] [n]=[n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (207) [system] _1539076=[o, n]
   Exit: (207) [system] [o, n]=[o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (206) [system] _1525140=[i, o, n]
   Exit: (206) [system] [i, o, n]=[i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (205) [system] _1511204=[s, i, o, n]
   Exit: (205) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [s, i, o, n])
   Call: (204) [system] _1497268=[u, s, i, o, n]
   Exit: (204) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [u, s, i, o, n])
   Call: (203) [system] _1483332=[l, u, s, i, o, n]
   Exit: (203) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [l, u, s, i, o, n])
   Call: (202) [system] _1469396=[c, l, u, s, i, o, n]
   Exit: (202) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [c, l, u, s, i, o, n])
   Call: (201) [system] _1455460=[n, c, l, u, s, i, o, n]
   Exit: (201) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, l, u, s, i, o, n])
   Call: (200) [system] _1441524=[o, n, c, l, u, s, i, o, n]
   Exit: (200) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, c, l, u, s, i, o, n])
   Call: (199) [system] _1427588=[c, o, n, c, l, u, s, i, o, n]
   Exit: (199) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [c, o, n, c, l, u, s, i, o, n])
^  Call: (198) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _1392078)
^  Call: (199) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _1606978)
   Call: (200) [system] atom_chars(_1607910, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (200) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (199) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
   Call: (199) [system] integer(_conclusion)
   Fail: (199) [system] integer(_conclusion)
   Call: (199) [system] _1392078=_conclusion
   Exit: (199) [system] _conclusion=_conclusion
^  Exit: (198) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (197) [user] read_symbolic(')', (0x55772f068e50), $, _conclusion)
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), _conclusion)
^  Call: (196) [user] read_list(')', (0x55772f068e50), _1617202)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1619060)
   Exit: (198) [system] peek_char((0x55772f068e50), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1635070)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x55772f068e50), _1638860)
   Exit: (197) [system] get_char((0x55772f068e50), ')')
   Call: (197) [system] _1617202=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [])
   Call: (196) [system] _1355418=[_conclusion]
   Exit: (196) [system] [_conclusion]=[_conclusion]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [_conclusion])
   Call: (195) [system] _302440=[[_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]
   Exit: (195) [system] [[_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]=[[_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [[_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion])
   Call: (194) [system] _198614=[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]
   Exit: (194) [system] [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]=[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion])
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion])
^  Call: (192) [user] read_list(')', (0x55772f068e50), _1652742)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1654600)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _1664194)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1666898)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1683832)
   Exit: (193) [system] peek_char((0x55772f068e50), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _1689402)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1691260)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _1707270)
   Exit: (194) [system] get_char((0x55772f068e50), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x55772f068e50), $, _1689402)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _1724912)
   Call: (196) [system] peek_char((0x55772f068e50), _1725846)
   Exit: (196) [system] peek_char((0x55772f068e50), q)
^  Call: (196) [user] is_delimiter(q)
   Call: (197) [system] char_type(q, space)
   Fail: (197) [system] char_type(q, space)
   Call: (197) [system] arg(_1730566, v('(', ')', end_of_file), q)
   Fail: (197) [system] arg(_1731498, v('(', ')', end_of_file), q)
^  Fail: (196) [user] is_delimiter(q)
   Call: (196) [system] ')'==q
   Fail: (196) [system] ')'==q
   Call: (196) [system] get_char((0x55772f068e50), q)
   Exit: (196) [system] get_char((0x55772f068e50), q)
   Call: (196) [system] q=(\)
   Fail: (196) [system] q=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1738848)
   Call: (197) [system] peek_char((0x55772f068e50), _1739782)
   Exit: (197) [system] peek_char((0x55772f068e50), u)
^  Call: (197) [user] is_delimiter(u)
   Call: (198) [system] char_type(u, space)
   Fail: (198) [system] char_type(u, space)
   Call: (198) [system] arg(_1744502, v('(', ')', end_of_file), u)
   Fail: (198) [system] arg(_1745434, v('(', ')', end_of_file), u)
^  Fail: (197) [user] is_delimiter(u)
   Call: (197) [system] ')'==u
   Fail: (197) [system] ')'==u
   Call: (197) [system] get_char((0x55772f068e50), u)
   Exit: (197) [system] get_char((0x55772f068e50), u)
   Call: (197) [system] u=(\)
   Fail: (197) [system] u=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1752784)
   Call: (198) [system] peek_char((0x55772f068e50), _1753718)
   Exit: (198) [system] peek_char((0x55772f068e50), e)
^  Call: (198) [user] is_delimiter(e)
   Call: (199) [system] char_type(e, space)
   Fail: (199) [system] char_type(e, space)
   Call: (199) [system] arg(_1758438, v('(', ')', end_of_file), e)
   Fail: (199) [system] arg(_1759370, v('(', ')', end_of_file), e)
^  Fail: (198) [user] is_delimiter(e)
   Call: (198) [system] ')'==e
   Fail: (198) [system] ')'==e
   Call: (198) [system] get_char((0x55772f068e50), e)
   Exit: (198) [system] get_char((0x55772f068e50), e)
   Call: (198) [system] e=(\)
   Fail: (198) [system] e=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1766720)
   Call: (199) [system] peek_char((0x55772f068e50), _1767654)
   Exit: (199) [system] peek_char((0x55772f068e50), r)
^  Call: (199) [user] is_delimiter(r)
   Call: (200) [system] char_type(r, space)
   Fail: (200) [system] char_type(r, space)
   Call: (200) [system] arg(_1772374, v('(', ')', end_of_file), r)
   Fail: (200) [system] arg(_1773306, v('(', ')', end_of_file), r)
^  Fail: (199) [user] is_delimiter(r)
   Call: (199) [system] ')'==r
   Fail: (199) [system] ')'==r
   Call: (199) [system] get_char((0x55772f068e50), r)
   Exit: (199) [system] get_char((0x55772f068e50), r)
   Call: (199) [system] r=(\)
   Fail: (199) [system] r=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1780656)
   Call: (200) [system] peek_char((0x55772f068e50), _1781590)
   Exit: (200) [system] peek_char((0x55772f068e50), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Fail: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_1786310, v('(', ')', end_of_file), y)
   Fail: (201) [system] arg(_1787242, v('(', ')', end_of_file), y)
^  Fail: (200) [user] is_delimiter(y)
   Call: (200) [system] ')'==y
   Fail: (200) [system] ')'==y
   Call: (200) [system] get_char((0x55772f068e50), y)
   Exit: (200) [system] get_char((0x55772f068e50), y)
   Call: (200) [system] y=(\)
   Fail: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1794592)
   Call: (201) [system] peek_char((0x55772f068e50), _1795526)
   Exit: (201) [system] peek_char((0x55772f068e50), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_1800246, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _1794592=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (200) [system] _1780656=[y]
   Exit: (200) [system] [y]=[y]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [y])
   Call: (199) [system] _1766720=[r, y]
   Exit: (199) [system] [r, y]=[r, y]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [r, y])
   Call: (198) [system] _1752784=[e, r, y]
   Exit: (198) [system] [e, r, y]=[e, r, y]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [e, r, y])
   Call: (197) [system] _1738848=[u, e, r, y]
   Exit: (197) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [u, e, r, y])
   Call: (196) [system] _1724912=[q, u, e, r, y]
   Exit: (196) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [q, u, e, r, y])
^  Call: (195) [user] classify_and_convert_charseq([$, q, u, e, r, y], _1689402)
^  Call: (196) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _1820652)
   Call: (197) [system] atom_chars(_1821584, ['_', q, u, e, r, y])
   Exit: (197) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (196) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (196) [system] integer(_query)
   Fail: (196) [system] integer(_query)
   Call: (196) [system] _1689402=_query
   Exit: (196) [system] _query=_query
^  Exit: (195) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (194) [user] read_symbolic(')', (0x55772f068e50), $, _query)
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), _query)
^  Call: (193) [user] read_list(')', (0x55772f068e50), _1830876)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1832734)
   Exit: (195) [system] peek_char((0x55772f068e50), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1848744)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x55772f068e50), _1852534)
   Exit: (194) [system] get_char((0x55772f068e50), ')')
   Call: (194) [system] _1830876=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [])
   Call: (193) [system] _1652742=[_query]
   Exit: (193) [system] [_query]=[_query]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [_query])
   Call: (192) [system] _153596=[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query]
   Exit: (192) [system] [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query]=[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query])
^  Exit: (190) [user] cont_sexpr(')', (0x55772f068e50), [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query])
^  Call: (190) [user] read_list(')', (0x55772f068e50), _1863622)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1865480)
   Exit: (192) [system] peek_char((0x55772f068e50), '\n')
   Call: (192) [system] '\n'=(;)
   Fail: (192) [system] '\n'=(;)
   Call: (192) [system] '\n'=(/)
   Fail: (192) [system] '\n'=(/)
^  Call: (192) [user] is_like_space('\n')
   Call: (193) [system] char_type('\n', 'white')
   Fail: (193) [system] char_type('\n', 'white')
   Call: (193) [system] char_type('\n', end_of_line)
   Exit: (193) [system] char_type('\n', end_of_line)
^  Exit: (192) [user] is_like_space('\n')
   Call: (192) [system] get_char((0x55772f068e50), _1876930)
   Exit: (192) [system] get_char((0x55772f068e50), '\n')
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1879634)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _1889228)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1891932)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _1901526)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1904230)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _1913824)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1916528)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _1926122)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1928826)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _1938420)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1941124)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _1950718)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1953422)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _1963016)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1965720)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _1975314)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1978018)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _1987612)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1990316)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _1999910)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _2002614)
   Exit: (203) [system] peek_char((0x55772f068e50), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _2028788)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x55772f068e50), _2034358)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _2036216)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] get_char((0x55772f068e50), _2052226)
   Exit: (192) [system] get_char((0x55772f068e50), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x55772f068e50), _2034358)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _2057796)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _2073806)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _2079376)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _2081234)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _4086)
   Exit: (194) [system] get_char((0x55772f068e50), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x55772f068e50), _3654)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _9656)
   Exit: (196) [system] peek_char((0x55772f068e50), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _25666)
   Exit: (195) [system] peek_char((0x55772f068e50), :)
   Call: (195) [system] (:)=')'
   Fail: (195) [system] (:)=')'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _31236)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _33094)
   Exit: (197) [system] peek_char((0x55772f068e50), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
   Call: (197) [system] (:)=(/)
   Fail: (197) [system] (:)=(/)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _49104)
   Exit: (196) [system] get_char((0x55772f068e50), :)
   Call: (196) [system] (:)='('
   Fail: (196) [system] (:)='('
   Call: (196) [system] (:)='['
   Fail: (196) [system] (:)='['
   Call: (196) [system] (:)='{'
   Fail: (196) [system] (:)='{'
   Call: (196) [system] (:)='"'
   Fail: (196) [system] (:)='"'
   Call: (196) [system] (:)=!
   Fail: (196) [system] (:)=!
   Call: (196) [system] (:)='\''
   Fail: (196) [system] (:)='\''
   Call: (196) [system] (:)='`'
   Fail: (196) [system] (:)='`'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x55772f068e50), :, _31236)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _66746)
   Call: (198) [system] peek_char((0x55772f068e50), _67680)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _66746=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (197) [user] classify_and_convert_charseq([:], _31236)
^  Call: (198) [user] classify_and_convert_charseq_([:], _76964)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_77916, _77918), once(user:catch(read_from_chars([:], _76964), _77898, fail)), '$restore_trace'(_77916, _77918))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_77916, _77918))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _77898, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(:)
   Exit: (199) [system] atomic(:)
^  Exit: (198) [user] classify_and_convert_charseq_([:], :)
   Call: (198) [system] integer(:)
   Fail: (198) [system] integer(:)
   Call: (198) [system] _31236=(:)
   Exit: (198) [system] (:)=(:)
^  Exit: (197) [user] classify_and_convert_charseq([:], :)
^  Exit: (196) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (195) [user] read_list(')', (0x55772f068e50), _90044)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _91902)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _101496)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _104200)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _121134)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _126704)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _128562)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _144572)
   Exit: (197) [system] get_char((0x55772f068e50), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x55772f068e50), $, _126704)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _162214)
   Call: (199) [system] peek_char((0x55772f068e50), _163148)
   Exit: (199) [system] peek_char((0x55772f068e50), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_167868, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_168800, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x55772f068e50), p)
   Exit: (199) [system] get_char((0x55772f068e50), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _176150)
   Call: (200) [system] peek_char((0x55772f068e50), _177084)
   Exit: (200) [system] peek_char((0x55772f068e50), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_181804, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_182736, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x55772f068e50), r)
   Exit: (200) [system] get_char((0x55772f068e50), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _190086)
   Call: (201) [system] peek_char((0x55772f068e50), _191020)
   Exit: (201) [system] peek_char((0x55772f068e50), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_195740, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_196672, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x55772f068e50), o)
   Exit: (201) [system] get_char((0x55772f068e50), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _204022)
   Call: (202) [system] peek_char((0x55772f068e50), _204956)
   Exit: (202) [system] peek_char((0x55772f068e50), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_209676, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_210608, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x55772f068e50), o)
   Exit: (202) [system] get_char((0x55772f068e50), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _217958)
   Call: (203) [system] peek_char((0x55772f068e50), _218892)
   Exit: (203) [system] peek_char((0x55772f068e50), f)
^  Call: (203) [user] is_delimiter(f)
   Call: (204) [system] char_type(f, space)
   Fail: (204) [system] char_type(f, space)
   Call: (204) [system] arg(_223612, v('(', ')', end_of_file), f)
   Fail: (204) [system] arg(_224544, v('(', ')', end_of_file), f)
^  Fail: (203) [user] is_delimiter(f)
   Call: (203) [system] ')'==f
   Fail: (203) [system] ')'==f
   Call: (203) [system] get_char((0x55772f068e50), f)
   Exit: (203) [system] get_char((0x55772f068e50), f)
   Call: (203) [system] f=(\)
   Fail: (203) [system] f=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _231894)
   Call: (204) [system] peek_char((0x55772f068e50), _232828)
   Exit: (204) [system] peek_char((0x55772f068e50), '1')
^  Call: (204) [user] is_delimiter('1')
   Call: (205) [system] char_type('1', space)
   Fail: (205) [system] char_type('1', space)
   Call: (205) [system] arg(_237548, v('(', ')', end_of_file), '1')
   Fail: (205) [system] arg(_238480, v('(', ')', end_of_file), '1')
^  Fail: (204) [user] is_delimiter('1')
   Call: (204) [system] ')'=='1'
   Fail: (204) [system] ')'=='1'
   Call: (204) [system] get_char((0x55772f068e50), '1')
   Exit: (204) [system] get_char((0x55772f068e50), '1')
   Call: (204) [system] '1'=(\)
   Fail: (204) [system] '1'=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _245830)
   Call: (205) [system] peek_char((0x55772f068e50), _246764)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _245830=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (204) [system] _231894=['1']
   Exit: (204) [system] ['1']=['1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), ['1'])
   Call: (203) [system] _217958=[f, '1']
   Exit: (203) [system] [f, '1']=[f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '1'])
   Call: (202) [system] _204022=[o, f, '1']
   Exit: (202) [system] [o, f, '1']=[o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '1'])
   Call: (201) [system] _190086=[o, o, f, '1']
   Exit: (201) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '1'])
   Call: (200) [system] _176150=[r, o, o, f, '1']
   Exit: (200) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '1'])
   Call: (199) [system] _162214=[p, r, o, o, f, '1']
   Exit: (199) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '1'])
^  Call: (198) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _126704)
^  Call: (199) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _272812)
   Call: (200) [system] atom_chars(_273744, ['_', p, r, o, o, f, '1'])
   Exit: (200) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (199) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _proof1)
   Call: (199) [system] integer(_proof1)
   Fail: (199) [system] integer(_proof1)
   Call: (199) [system] _126704=_proof1
   Exit: (199) [system] _proof1=_proof1
^  Exit: (198) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _proof1)
^  Exit: (197) [user] read_symbolic(')', (0x55772f068e50), $, _proof1)
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), _proof1)
^  Call: (196) [user] read_list(')', (0x55772f068e50), _283036)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _284894)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _294488)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _297192)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _314126)
   Exit: (197) [system] peek_char((0x55772f068e50), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _319696)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _321554)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _337564)
   Exit: (198) [system] get_char((0x55772f068e50), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x55772f068e50), $, _319696)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _355206)
   Call: (200) [system] peek_char((0x55772f068e50), _356140)
   Exit: (200) [system] peek_char((0x55772f068e50), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_360860, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_361792, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x55772f068e50), p)
   Exit: (200) [system] get_char((0x55772f068e50), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _369142)
   Call: (201) [system] peek_char((0x55772f068e50), _370076)
   Exit: (201) [system] peek_char((0x55772f068e50), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Fail: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_374796, v('(', ')', end_of_file), r)
   Fail: (202) [system] arg(_375728, v('(', ')', end_of_file), r)
^  Fail: (201) [user] is_delimiter(r)
   Call: (201) [system] ')'==r
   Fail: (201) [system] ')'==r
   Call: (201) [system] get_char((0x55772f068e50), r)
   Exit: (201) [system] get_char((0x55772f068e50), r)
   Call: (201) [system] r=(\)
   Fail: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _383078)
   Call: (202) [system] peek_char((0x55772f068e50), _384012)
   Exit: (202) [system] peek_char((0x55772f068e50), e)
^  Call: (202) [user] is_delimiter(e)
   Call: (203) [system] char_type(e, space)
   Fail: (203) [system] char_type(e, space)
   Call: (203) [system] arg(_388732, v('(', ')', end_of_file), e)
   Fail: (203) [system] arg(_389664, v('(', ')', end_of_file), e)
^  Fail: (202) [user] is_delimiter(e)
   Call: (202) [system] ')'==e
   Fail: (202) [system] ')'==e
   Call: (202) [system] get_char((0x55772f068e50), e)
   Exit: (202) [system] get_char((0x55772f068e50), e)
   Call: (202) [system] e=(\)
   Fail: (202) [system] e=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _397014)
   Call: (203) [system] peek_char((0x55772f068e50), _397948)
   Exit: (203) [system] peek_char((0x55772f068e50), m)
^  Call: (203) [user] is_delimiter(m)
   Call: (204) [system] char_type(m, space)
   Fail: (204) [system] char_type(m, space)
   Call: (204) [system] arg(_402668, v('(', ')', end_of_file), m)
   Fail: (204) [system] arg(_403600, v('(', ')', end_of_file), m)
^  Fail: (203) [user] is_delimiter(m)
   Call: (203) [system] ')'==m
   Fail: (203) [system] ')'==m
   Call: (203) [system] get_char((0x55772f068e50), m)
   Exit: (203) [system] get_char((0x55772f068e50), m)
   Call: (203) [system] m=(\)
   Fail: (203) [system] m=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _410950)
   Call: (204) [system] peek_char((0x55772f068e50), _411884)
   Exit: (204) [system] peek_char((0x55772f068e50), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_416604, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_417536, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x55772f068e50), i)
   Exit: (204) [system] get_char((0x55772f068e50), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _424886)
   Call: (205) [system] peek_char((0x55772f068e50), _425820)
   Exit: (205) [system] peek_char((0x55772f068e50), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_430540, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_431472, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x55772f068e50), s)
   Exit: (205) [system] get_char((0x55772f068e50), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _438822)
   Call: (206) [system] peek_char((0x55772f068e50), _439756)
   Exit: (206) [system] peek_char((0x55772f068e50), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_444476, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_445408, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x55772f068e50), e)
   Exit: (206) [system] get_char((0x55772f068e50), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _452758)
   Call: (207) [system] peek_char((0x55772f068e50), _453692)
   Exit: (207) [system] peek_char((0x55772f068e50), '1')
^  Call: (207) [user] is_delimiter('1')
   Call: (208) [system] char_type('1', space)
   Fail: (208) [system] char_type('1', space)
   Call: (208) [system] arg(_458412, v('(', ')', end_of_file), '1')
   Fail: (208) [system] arg(_459344, v('(', ')', end_of_file), '1')
^  Fail: (207) [user] is_delimiter('1')
   Call: (207) [system] ')'=='1'
   Fail: (207) [system] ')'=='1'
   Call: (207) [system] get_char((0x55772f068e50), '1')
   Exit: (207) [system] get_char((0x55772f068e50), '1')
   Call: (207) [system] '1'=(\)
   Fail: (207) [system] '1'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _466694)
   Call: (208) [system] peek_char((0x55772f068e50), _467628)
   Exit: (208) [system] peek_char((0x55772f068e50), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_472348, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _466694=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (207) [system] _452758=['1']
   Exit: (207) [system] ['1']=['1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), ['1'])
   Call: (206) [system] _438822=[e, '1']
   Exit: (206) [system] [e, '1']=[e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '1'])
   Call: (205) [system] _424886=[s, e, '1']
   Exit: (205) [system] [s, e, '1']=[s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '1'])
   Call: (204) [system] _410950=[i, s, e, '1']
   Exit: (204) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '1'])
   Call: (203) [system] _397014=[m, i, s, e, '1']
   Exit: (203) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '1'])
   Call: (202) [system] _383078=[e, m, i, s, e, '1']
   Exit: (202) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '1'])
   Call: (201) [system] _369142=[r, e, m, i, s, e, '1']
   Exit: (201) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '1'])
   Call: (200) [system] _355206=[p, r, e, m, i, s, e, '1']
   Exit: (200) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '1'])
^  Call: (199) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _319696)
^  Call: (200) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _501136)
   Call: (201) [system] atom_chars(_502068, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (201) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (200) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _premise1)
   Call: (200) [system] integer(_premise1)
   Fail: (200) [system] integer(_premise1)
   Call: (200) [system] _319696=_premise1
   Exit: (200) [system] _premise1=_premise1
^  Exit: (199) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (198) [user] read_symbolic(')', (0x55772f068e50), $, _premise1)
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), _premise1)
^  Call: (197) [user] read_list(')', (0x55772f068e50), _511360)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _513218)
   Exit: (199) [system] peek_char((0x55772f068e50), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _529228)
   Exit: (198) [system] peek_char((0x55772f068e50), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x55772f068e50), _533018)
   Exit: (198) [system] get_char((0x55772f068e50), ')')
   Call: (198) [system] _511360=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [])
   Call: (197) [system] _283036=[_premise1]
   Exit: (197) [system] [_premise1]=[_premise1]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [_premise1])
   Call: (196) [system] _90044=[_proof1, _premise1]
   Exit: (196) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [_proof1, _premise1])
   Call: (195) [system] _3654=[:, _proof1, _premise1]
   Exit: (195) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [:, _proof1, _premise1])
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), [:, _proof1, _premise1])
^  Call: (193) [user] read_list(')', (0x55772f068e50), _546900)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _548758)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _558352)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _561056)
   Exit: (196) [system] peek_char((0x55772f068e50), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _577990)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _583560)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _585418)
   Exit: (196) [system] peek_char((0x55772f068e50), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _601428)
   Exit: (195) [system] get_char((0x55772f068e50), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x55772f068e50), _583560)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _606998)
   Exit: (197) [system] peek_char((0x55772f068e50), s)
   Call: (197) [system] s=(;)
   Fail: (197) [system] s=(;)
   Call: (197) [system] s=(/)
   Fail: (197) [system] s=(/)
^  Call: (197) [user] is_like_space(s)
   Call: (198) [system] char_type(s, 'white')
   Fail: (198) [system] char_type(s, 'white')
   Call: (198) [system] char_type(s, end_of_line)
   Fail: (198) [system] char_type(s, end_of_line)
   Call: (198) [system] char_type(s, space)
   Fail: (198) [system] char_type(s, space)
   Call: (198) [system] char_type(s, cntrl)
   Fail: (198) [system] char_type(s, cntrl)
^  Fail: (197) [user] is_like_space(s)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _623008)
   Exit: (196) [system] peek_char((0x55772f068e50), s)
   Call: (196) [system] s=')'
   Fail: (196) [system] s=')'
   Call: (196) [system] s=end_of_file
   Fail: (196) [system] s=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _628578)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _630436)
   Exit: (198) [system] peek_char((0x55772f068e50), s)
   Call: (198) [system] s=(;)
   Fail: (198) [system] s=(;)
   Call: (198) [system] s=(/)
   Fail: (198) [system] s=(/)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Fail: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Fail: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
   Fail: (199) [system] char_type(s, cntrl)
^  Fail: (198) [user] is_like_space(s)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _646446)
   Exit: (197) [system] get_char((0x55772f068e50), s)
   Call: (197) [system] s='('
   Fail: (197) [system] s='('
   Call: (197) [system] s='['
   Fail: (197) [system] s='['
   Call: (197) [system] s='{'
   Fail: (197) [system] s='{'
   Call: (197) [system] s='"'
   Fail: (197) [system] s='"'
   Call: (197) [system] s=!
   Fail: (197) [system] s=!
   Call: (197) [system] s='\''
   Fail: (197) [system] s='\''
   Call: (197) [system] s='`'
   Fail: (197) [system] s='`'
   Call: (197) [system] s=end_of_file
   Fail: (197) [system] s=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x55772f068e50), s, _628578)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _664088)
   Call: (199) [system] peek_char((0x55772f068e50), _665022)
   Exit: (199) [system] peek_char((0x55772f068e50), y)
^  Call: (199) [user] is_delimiter(y)
   Call: (200) [system] char_type(y, space)
   Fail: (200) [system] char_type(y, space)
   Call: (200) [system] arg(_669742, v('(', ')', end_of_file), y)
   Fail: (200) [system] arg(_670674, v('(', ')', end_of_file), y)
^  Fail: (199) [user] is_delimiter(y)
   Call: (199) [system] ')'==y
   Fail: (199) [system] ')'==y
   Call: (199) [system] get_char((0x55772f068e50), y)
   Exit: (199) [system] get_char((0x55772f068e50), y)
   Call: (199) [system] y=(\)
   Fail: (199) [system] y=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _678024)
   Call: (200) [system] peek_char((0x55772f068e50), _678958)
   Exit: (200) [system] peek_char((0x55772f068e50), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Fail: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_683678, v('(', ')', end_of_file), n)
   Fail: (201) [system] arg(_684610, v('(', ')', end_of_file), n)
^  Fail: (200) [user] is_delimiter(n)
   Call: (200) [system] ')'==n
   Fail: (200) [system] ')'==n
   Call: (200) [system] get_char((0x55772f068e50), n)
   Exit: (200) [system] get_char((0x55772f068e50), n)
   Call: (200) [system] n=(\)
   Fail: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _691960)
   Call: (201) [system] peek_char((0x55772f068e50), _692894)
   Exit: (201) [system] peek_char((0x55772f068e50), t)
^  Call: (201) [user] is_delimiter(t)
   Call: (202) [system] char_type(t, space)
   Fail: (202) [system] char_type(t, space)
   Call: (202) [system] arg(_697614, v('(', ')', end_of_file), t)
   Fail: (202) [system] arg(_698546, v('(', ')', end_of_file), t)
^  Fail: (201) [user] is_delimiter(t)
   Call: (201) [system] ')'==t
   Fail: (201) [system] ')'==t
   Call: (201) [system] get_char((0x55772f068e50), t)
   Exit: (201) [system] get_char((0x55772f068e50), t)
   Call: (201) [system] t=(\)
   Fail: (201) [system] t=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _705896)
   Call: (202) [system] peek_char((0x55772f068e50), _706830)
   Exit: (202) [system] peek_char((0x55772f068e50), h)
^  Call: (202) [user] is_delimiter(h)
   Call: (203) [system] char_type(h, space)
   Fail: (203) [system] char_type(h, space)
   Call: (203) [system] arg(_711550, v('(', ')', end_of_file), h)
   Fail: (203) [system] arg(_712482, v('(', ')', end_of_file), h)
^  Fail: (202) [user] is_delimiter(h)
   Call: (202) [system] ')'==h
   Fail: (202) [system] ')'==h
   Call: (202) [system] get_char((0x55772f068e50), h)
   Exit: (202) [system] get_char((0x55772f068e50), h)
   Call: (202) [system] h=(\)
   Fail: (202) [system] h=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _719832)
   Call: (203) [system] peek_char((0x55772f068e50), _720766)
   Exit: (203) [system] peek_char((0x55772f068e50), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_725486, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_726418, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x55772f068e50), e)
   Exit: (203) [system] get_char((0x55772f068e50), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _733768)
   Call: (204) [system] peek_char((0x55772f068e50), _734702)
   Exit: (204) [system] peek_char((0x55772f068e50), s)
^  Call: (204) [user] is_delimiter(s)
   Call: (205) [system] char_type(s, space)
   Fail: (205) [system] char_type(s, space)
   Call: (205) [system] arg(_739422, v('(', ')', end_of_file), s)
   Fail: (205) [system] arg(_740354, v('(', ')', end_of_file), s)
^  Fail: (204) [user] is_delimiter(s)
   Call: (204) [system] ')'==s
   Fail: (204) [system] ')'==s
   Call: (204) [system] get_char((0x55772f068e50), s)
   Exit: (204) [system] get_char((0x55772f068e50), s)
   Call: (204) [system] s=(\)
   Fail: (204) [system] s=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _747704)
   Call: (205) [system] peek_char((0x55772f068e50), _748638)
   Exit: (205) [system] peek_char((0x55772f068e50), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_753358, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_754290, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x55772f068e50), i)
   Exit: (205) [system] get_char((0x55772f068e50), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _761640)
   Call: (206) [system] peek_char((0x55772f068e50), _762574)
   Exit: (206) [system] peek_char((0x55772f068e50), z)
^  Call: (206) [user] is_delimiter(z)
   Call: (207) [system] char_type(z, space)
   Fail: (207) [system] char_type(z, space)
   Call: (207) [system] arg(_767294, v('(', ')', end_of_file), z)
   Fail: (207) [system] arg(_768226, v('(', ')', end_of_file), z)
^  Fail: (206) [user] is_delimiter(z)
   Call: (206) [system] ')'==z
   Fail: (206) [system] ')'==z
   Call: (206) [system] get_char((0x55772f068e50), z)
   Exit: (206) [system] get_char((0x55772f068e50), z)
   Call: (206) [system] z=(\)
   Fail: (206) [system] z=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _775576)
   Call: (207) [system] peek_char((0x55772f068e50), _776510)
   Exit: (207) [system] peek_char((0x55772f068e50), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_781230, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_782162, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x55772f068e50), e)
   Exit: (207) [system] get_char((0x55772f068e50), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _789512)
   Call: (208) [system] peek_char((0x55772f068e50), _790446)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _789512=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (207) [system] _775576=[e]
   Exit: (207) [system] [e]=[e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (206) [system] _761640=[z, e]
   Exit: (206) [system] [z, e]=[z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [z, e])
   Call: (205) [system] _747704=[i, z, e]
   Exit: (205) [system] [i, z, e]=[i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [i, z, e])
   Call: (204) [system] _733768=[s, i, z, e]
   Exit: (204) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [s, i, z, e])
   Call: (203) [system] _719832=[e, s, i, z, e]
   Exit: (203) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [e, s, i, z, e])
   Call: (202) [system] _705896=[h, e, s, i, z, e]
   Exit: (202) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [h, e, s, i, z, e])
   Call: (201) [system] _691960=[t, h, e, s, i, z, e]
   Exit: (201) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [t, h, e, s, i, z, e])
   Call: (200) [system] _678024=[n, t, h, e, s, i, z, e]
   Exit: (200) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, h, e, s, i, z, e])
   Call: (199) [system] _664088=[y, n, t, h, e, s, i, z, e]
   Exit: (199) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [y, n, t, h, e, s, i, z, e])
^  Call: (198) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _628578)
^  Call: (199) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _824876)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_825828, _825830), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _824876), _825810, fail)), '$restore_trace'(_825828, _825830))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_825828, _825830))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _825810, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(synthesize)
   Exit: (200) [system] atomic(synthesize)
^  Exit: (199) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (199) [system] integer(synthesize)
   Fail: (199) [system] integer(synthesize)
   Call: (199) [system] _628578=synthesize
   Exit: (199) [system] synthesize=synthesize
^  Exit: (198) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (197) [user] read_symbolic(')', (0x55772f068e50), s, synthesize)
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), synthesize)
^  Call: (196) [user] read_list(')', (0x55772f068e50), _837956)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _839814)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _849408)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _852112)
   Exit: (199) [system] peek_char((0x55772f068e50), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _869046)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _874616)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _876474)
   Exit: (199) [system] peek_char((0x55772f068e50), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _892484)
   Exit: (198) [system] get_char((0x55772f068e50), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x55772f068e50), _874616)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _898054)
   Exit: (200) [system] peek_char((0x55772f068e50), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
   Call: (200) [system] (:)=(/)
   Fail: (200) [system] (:)=(/)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _914064)
   Exit: (199) [system] peek_char((0x55772f068e50), :)
   Call: (199) [system] (:)=')'
   Fail: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _919634)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _921492)
   Exit: (201) [system] peek_char((0x55772f068e50), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _937502)
   Exit: (200) [system] get_char((0x55772f068e50), :)
   Call: (200) [system] (:)='('
   Fail: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Fail: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Fail: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Fail: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Fail: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Fail: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Fail: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), :, _919634)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _955144)
   Call: (202) [system] peek_char((0x55772f068e50), _956078)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _955144=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (201) [user] classify_and_convert_charseq([:], _919634)
^  Call: (202) [user] classify_and_convert_charseq_([:], _965362)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_966314, _966316), once(user:catch(read_from_chars([:], _965362), _966296, fail)), '$restore_trace'(_966314, _966316))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_966314, _966316))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _966296, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(:)
   Exit: (203) [system] atomic(:)
^  Exit: (202) [user] classify_and_convert_charseq_([:], :)
   Call: (202) [system] integer(:)
   Fail: (202) [system] integer(:)
   Call: (202) [system] _919634=(:)
   Exit: (202) [system] (:)=(:)
^  Exit: (201) [user] classify_and_convert_charseq([:], :)
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (199) [user] read_list(')', (0x55772f068e50), _978442)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _980300)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _989894)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _992598)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1009532)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _1015102)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1016960)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _1032970)
   Exit: (201) [system] get_char((0x55772f068e50), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), $, _1015102)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1050612)
   Call: (203) [system] peek_char((0x55772f068e50), _1051546)
   Exit: (203) [system] peek_char((0x55772f068e50), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1056266, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_1057198, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x55772f068e50), p)
   Exit: (203) [system] get_char((0x55772f068e50), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1064548)
   Call: (204) [system] peek_char((0x55772f068e50), _1065482)
   Exit: (204) [system] peek_char((0x55772f068e50), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1070202, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1071134, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x55772f068e50), r)
   Exit: (204) [system] get_char((0x55772f068e50), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1078484)
   Call: (205) [system] peek_char((0x55772f068e50), _1079418)
   Exit: (205) [system] peek_char((0x55772f068e50), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1084138, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_1085070, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x55772f068e50), o)
   Exit: (205) [system] get_char((0x55772f068e50), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1092420)
   Call: (206) [system] peek_char((0x55772f068e50), _1093354)
   Exit: (206) [system] peek_char((0x55772f068e50), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1098074, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1099006, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x55772f068e50), o)
   Exit: (206) [system] get_char((0x55772f068e50), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1106356)
   Call: (207) [system] peek_char((0x55772f068e50), _1107290)
   Exit: (207) [system] peek_char((0x55772f068e50), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Fail: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_1112010, v('(', ')', end_of_file), f)
   Fail: (208) [system] arg(_1112942, v('(', ')', end_of_file), f)
^  Fail: (207) [user] is_delimiter(f)
   Call: (207) [system] ')'==f
   Fail: (207) [system] ')'==f
   Call: (207) [system] get_char((0x55772f068e50), f)
   Exit: (207) [system] get_char((0x55772f068e50), f)
   Call: (207) [system] f=(\)
   Fail: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1120292)
   Call: (208) [system] peek_char((0x55772f068e50), _1121226)
   Exit: (208) [system] peek_char((0x55772f068e50), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Fail: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_1125946, v('(', ')', end_of_file), '1')
   Fail: (209) [system] arg(_1126878, v('(', ')', end_of_file), '1')
^  Fail: (208) [user] is_delimiter('1')
   Call: (208) [system] ')'=='1'
   Fail: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x55772f068e50), '1')
   Exit: (208) [system] get_char((0x55772f068e50), '1')
   Call: (208) [system] '1'=(\)
   Fail: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1134228)
   Call: (209) [system] peek_char((0x55772f068e50), _1135162)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1134228=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (208) [system] _1120292=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), ['1'])
   Call: (207) [system] _1106356=[f, '1']
   Exit: (207) [system] [f, '1']=[f, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '1'])
   Call: (206) [system] _1092420=[o, f, '1']
   Exit: (206) [system] [o, f, '1']=[o, f, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '1'])
   Call: (205) [system] _1078484=[o, o, f, '1']
   Exit: (205) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '1'])
   Call: (204) [system] _1064548=[r, o, o, f, '1']
   Exit: (204) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '1'])
   Call: (203) [system] _1050612=[p, r, o, o, f, '1']
   Exit: (203) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '1'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _1015102)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _1161210)
   Call: (204) [system] atom_chars(_1162142, ['_', p, r, o, o, f, '1'])
   Exit: (204) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _proof1)
   Call: (203) [system] integer(_proof1)
   Fail: (203) [system] integer(_proof1)
   Call: (203) [system] _1015102=_proof1
   Exit: (203) [system] _proof1=_proof1
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _proof1)
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), $, _proof1)
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), _proof1)
^  Call: (200) [user] read_list(')', (0x55772f068e50), _1171434)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1173292)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _1182886)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1185590)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1202524)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _1208094)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1209952)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _1225962)
   Exit: (202) [system] get_char((0x55772f068e50), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), $, _1208094)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1243604)
   Call: (204) [system] peek_char((0x55772f068e50), _1244538)
   Exit: (204) [system] peek_char((0x55772f068e50), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1249258, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_1250190, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x55772f068e50), p)
   Exit: (204) [system] get_char((0x55772f068e50), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1257540)
   Call: (205) [system] peek_char((0x55772f068e50), _1258474)
   Exit: (205) [system] peek_char((0x55772f068e50), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1263194, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1264126, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x55772f068e50), r)
   Exit: (205) [system] get_char((0x55772f068e50), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1271476)
   Call: (206) [system] peek_char((0x55772f068e50), _1272410)
   Exit: (206) [system] peek_char((0x55772f068e50), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_1277130, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_1278062, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x55772f068e50), e)
   Exit: (206) [system] get_char((0x55772f068e50), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1285412)
   Call: (207) [system] peek_char((0x55772f068e50), _1286346)
   Exit: (207) [system] peek_char((0x55772f068e50), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_1291066, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_1291998, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x55772f068e50), m)
   Exit: (207) [system] get_char((0x55772f068e50), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1299348)
   Call: (208) [system] peek_char((0x55772f068e50), _1300282)
   Exit: (208) [system] peek_char((0x55772f068e50), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1305002, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1305934, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x55772f068e50), i)
   Exit: (208) [system] get_char((0x55772f068e50), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1313284)
   Call: (209) [system] peek_char((0x55772f068e50), _1314218)
   Exit: (209) [system] peek_char((0x55772f068e50), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_1318938, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_1319870, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x55772f068e50), s)
   Exit: (209) [system] get_char((0x55772f068e50), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1327220)
   Call: (210) [system] peek_char((0x55772f068e50), _1328154)
   Exit: (210) [system] peek_char((0x55772f068e50), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_1332874, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_1333806, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x55772f068e50), e)
   Exit: (210) [system] get_char((0x55772f068e50), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1341156)
   Call: (211) [system] peek_char((0x55772f068e50), _1342090)
   Exit: (211) [system] peek_char((0x55772f068e50), '1')
^  Call: (211) [user] is_delimiter('1')
   Call: (212) [system] char_type('1', space)
   Fail: (212) [system] char_type('1', space)
   Call: (212) [system] arg(_1346810, v('(', ')', end_of_file), '1')
   Fail: (212) [system] arg(_1347742, v('(', ')', end_of_file), '1')
^  Fail: (211) [user] is_delimiter('1')
   Call: (211) [system] ')'=='1'
   Fail: (211) [system] ')'=='1'
   Call: (211) [system] get_char((0x55772f068e50), '1')
   Exit: (211) [system] get_char((0x55772f068e50), '1')
   Call: (211) [system] '1'=(\)
   Fail: (211) [system] '1'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1355092)
   Call: (212) [system] peek_char((0x55772f068e50), _1356026)
   Exit: (212) [system] peek_char((0x55772f068e50), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_1360746, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _1355092=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (211) [system] _1341156=['1']
   Exit: (211) [system] ['1']=['1']
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), ['1'])
   Call: (210) [system] _1327220=[e, '1']
   Exit: (210) [system] [e, '1']=[e, '1']
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '1'])
   Call: (209) [system] _1313284=[s, e, '1']
   Exit: (209) [system] [s, e, '1']=[s, e, '1']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '1'])
   Call: (208) [system] _1299348=[i, s, e, '1']
   Exit: (208) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '1'])
   Call: (207) [system] _1285412=[m, i, s, e, '1']
   Exit: (207) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '1'])
   Call: (206) [system] _1271476=[e, m, i, s, e, '1']
   Exit: (206) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '1'])
   Call: (205) [system] _1257540=[r, e, m, i, s, e, '1']
   Exit: (205) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '1'])
   Call: (204) [system] _1243604=[p, r, e, m, i, s, e, '1']
   Exit: (204) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '1'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _1208094)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _1389534)
   Call: (205) [system] atom_chars(_1390466, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (205) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _premise1)
   Call: (204) [system] integer(_premise1)
   Fail: (204) [system] integer(_premise1)
   Call: (204) [system] _1208094=_premise1
   Exit: (204) [system] _premise1=_premise1
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), $, _premise1)
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), _premise1)
^  Call: (201) [user] read_list(')', (0x55772f068e50), _1399758)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1401616)
   Exit: (203) [system] peek_char((0x55772f068e50), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1417626)
   Exit: (202) [system] peek_char((0x55772f068e50), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x55772f068e50), _1421416)
   Exit: (202) [system] get_char((0x55772f068e50), ')')
   Call: (202) [system] _1399758=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [])
   Call: (201) [system] _1171434=[_premise1]
   Exit: (201) [system] [_premise1]=[_premise1]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [_premise1])
   Call: (200) [system] _978442=[_proof1, _premise1]
   Exit: (200) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [_proof1, _premise1])
   Call: (199) [system] _874616=[:, _proof1, _premise1]
   Exit: (199) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [:, _proof1, _premise1])
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), [:, _proof1, _premise1])
^  Call: (197) [user] read_list(')', (0x55772f068e50), _1435298)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1437156)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _1446750)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1449454)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1466388)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _1471958)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1473816)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _1489826)
   Exit: (199) [system] get_char((0x55772f068e50), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x55772f068e50), $, _1471958)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1507468)
   Call: (201) [system] peek_char((0x55772f068e50), _1508402)
   Exit: (201) [system] peek_char((0x55772f068e50), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Fail: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_1513122, v('(', ')', end_of_file), k)
   Fail: (202) [system] arg(_1514054, v('(', ')', end_of_file), k)
^  Fail: (201) [user] is_delimiter(k)
   Call: (201) [system] ')'==k
   Fail: (201) [system] ')'==k
   Call: (201) [system] get_char((0x55772f068e50), k)
   Exit: (201) [system] get_char((0x55772f068e50), k)
   Call: (201) [system] k=(\)
   Fail: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1521404)
   Call: (202) [system] peek_char((0x55772f068e50), _1522338)
   Exit: (202) [system] peek_char((0x55772f068e50), b)
^  Call: (202) [user] is_delimiter(b)
   Call: (203) [system] char_type(b, space)
   Fail: (203) [system] char_type(b, space)
   Call: (203) [system] arg(_1527058, v('(', ')', end_of_file), b)
   Fail: (203) [system] arg(_1527990, v('(', ')', end_of_file), b)
^  Fail: (202) [user] is_delimiter(b)
   Call: (202) [system] ')'==b
   Fail: (202) [system] ')'==b
   Call: (202) [system] get_char((0x55772f068e50), b)
   Exit: (202) [system] get_char((0x55772f068e50), b)
   Call: (202) [system] b=(\)
   Fail: (202) [system] b=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1535340)
   Call: (203) [system] peek_char((0x55772f068e50), _1536274)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1535340=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (202) [system] _1521404=[b]
   Exit: (202) [system] [b]=[b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (201) [system] _1507468=[k, b]
   Exit: (201) [system] [k, b]=[k, b]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [k, b])
^  Call: (200) [user] classify_and_convert_charseq([$, k, b], _1471958)
^  Call: (201) [user] classify_and_convert_charseq_([$, k, b], _1551146)
   Call: (202) [system] atom_chars(_1552078, ['_', k, b])
   Exit: (202) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (201) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (201) [system] integer(_kb)
   Fail: (201) [system] integer(_kb)
   Call: (201) [system] _1471958=_kb
   Exit: (201) [system] _kb=_kb
^  Exit: (200) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (199) [user] read_symbolic(')', (0x55772f068e50), $, _kb)
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), _kb)
^  Call: (198) [user] read_list(')', (0x55772f068e50), _1561370)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1563228)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _1572822)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1575526)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1592460)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _1598030)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1599888)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _1615898)
   Exit: (200) [system] get_char((0x55772f068e50), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), $, _1598030)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1633540)
   Call: (202) [system] peek_char((0x55772f068e50), _1634474)
   Exit: (202) [system] peek_char((0x55772f068e50), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_1639194, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_1640126, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x55772f068e50), r)
   Exit: (202) [system] get_char((0x55772f068e50), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1647476)
   Call: (203) [system] peek_char((0x55772f068e50), _1648410)
   Exit: (203) [system] peek_char((0x55772f068e50), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_1653130, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_1654062, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x55772f068e50), b)
   Exit: (203) [system] get_char((0x55772f068e50), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1661412)
   Call: (204) [system] peek_char((0x55772f068e50), _1662346)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1661412=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (203) [system] _1647476=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (202) [system] _1633540=[r, b]
   Exit: (202) [system] [r, b]=[r, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [r, b])
^  Call: (201) [user] classify_and_convert_charseq([$, r, b], _1598030)
^  Call: (202) [user] classify_and_convert_charseq_([$, r, b], _1677218)
   Call: (203) [system] atom_chars(_1678150, ['_', r, b])
   Exit: (203) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (202) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (202) [system] integer(_rb)
   Fail: (202) [system] integer(_rb)
   Call: (202) [system] _1598030=_rb
   Exit: (202) [system] _rb=_rb
^  Exit: (201) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), $, _rb)
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), _rb)
^  Call: (199) [user] read_list(')', (0x55772f068e50), _1687442)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1689300)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _1698894)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1701598)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1718532)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _1724102)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1725960)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _1741970)
   Exit: (201) [system] get_char((0x55772f068e50), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), $, _1724102)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1759612)
   Call: (203) [system] peek_char((0x55772f068e50), _1760546)
   Exit: (203) [system] peek_char((0x55772f068e50), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Fail: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_1765266, v('(', ')', end_of_file), k)
   Fail: (204) [system] arg(_1766198, v('(', ')', end_of_file), k)
^  Fail: (203) [user] is_delimiter(k)
   Call: (203) [system] ')'==k
   Fail: (203) [system] ')'==k
   Call: (203) [system] get_char((0x55772f068e50), k)
   Exit: (203) [system] get_char((0x55772f068e50), k)
   Call: (203) [system] k=(\)
   Fail: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1773548)
   Call: (204) [system] peek_char((0x55772f068e50), _1774482)
   Exit: (204) [system] peek_char((0x55772f068e50), ')')
^  Call: (204) [user] is_delimiter(')')
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] arg(_1779202, v('(', ')', end_of_file), ')')
   Exit: (205) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (204) [user] is_delimiter(')')
   Call: (204) [system] _1773548=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (203) [system] _1759612=[k]
   Exit: (203) [system] [k]=[k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
^  Call: (202) [user] classify_and_convert_charseq([$, k], _1724102)
^  Call: (203) [user] classify_and_convert_charseq_([$, k], _1788432)
   Call: (204) [system] atom_chars(_1789364, ['_', k])
   Exit: (204) [system] atom_chars('_k', ['_', k])
^  Exit: (203) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (203) [system] integer(_k)
   Fail: (203) [system] integer(_k)
   Call: (203) [system] _1724102=_k
   Exit: (203) [system] _k=_k
^  Exit: (202) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), $, _k)
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), _k)
^  Call: (200) [user] read_list(')', (0x55772f068e50), _1798656)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1800514)
   Exit: (202) [system] peek_char((0x55772f068e50), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1816524)
   Exit: (201) [system] peek_char((0x55772f068e50), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x55772f068e50), _1820314)
   Exit: (201) [system] get_char((0x55772f068e50), ')')
   Call: (201) [system] _1798656=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [])
   Call: (200) [system] _1687442=[_k]
   Exit: (200) [system] [_k]=[_k]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [_k])
   Call: (199) [system] _1561370=[_rb, _k]
   Exit: (199) [system] [_rb, _k]=[_rb, _k]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [_rb, _k])
   Call: (198) [system] _1435298=[_kb, _rb, _k]
   Exit: (198) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [_kb, _rb, _k])
   Call: (197) [system] _837956=[[:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (197) [system] [[:, _proof1, _premise1], _kb, _rb, _k]=[[:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [[:, _proof1, _premise1], _kb, _rb, _k])
   Call: (196) [system] _583560=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (196) [system] [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Call: (194) [user] read_list(')', (0x55772f068e50), _1839784)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1841642)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1857652)
   Exit: (195) [system] peek_char((0x55772f068e50), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x55772f068e50), _1861442)
   Exit: (195) [system] get_char((0x55772f068e50), ')')
   Call: (195) [system] _1839784=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [])
   Call: (194) [system] _546900=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (194) [system] [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Call: (193) [system] _3648=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (193) [system] [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Exit: (191) [user] cont_sexpr(')', (0x55772f068e50), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Call: (191) [user] read_list(')', (0x55772f068e50), _1872530)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1874388)
   Exit: (193) [system] peek_char((0x55772f068e50), '\n')
   Call: (193) [system] '\n'=(;)
   Fail: (193) [system] '\n'=(;)
   Call: (193) [system] '\n'=(/)
   Fail: (193) [system] '\n'=(/)
^  Call: (193) [user] is_like_space('\n')
   Call: (194) [system] char_type('\n', 'white')
   Fail: (194) [system] char_type('\n', 'white')
   Call: (194) [system] char_type('\n', end_of_line)
   Exit: (194) [system] char_type('\n', end_of_line)
^  Exit: (193) [user] is_like_space('\n')
   Call: (193) [system] get_char((0x55772f068e50), _1885838)
   Exit: (193) [system] get_char((0x55772f068e50), '\n')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1888542)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _1898136)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1900840)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _1910434)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1913138)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _1922732)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1925436)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _1935030)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1937734)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _1947328)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1950032)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _1959626)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1962330)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _1971924)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1974628)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _1984222)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1986926)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _1996520)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1999224)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _2008818)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _2011522)
   Exit: (204) [system] peek_char((0x55772f068e50), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _2037696)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _2043266)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _2045124)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _2061134)
   Exit: (193) [system] get_char((0x55772f068e50), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x55772f068e50), _2043266)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _2066704)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _2082714)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _2088284)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _2090142)
   Exit: (196) [system] peek_char((0x55772f068e50), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _13106)
   Exit: (195) [system] get_char((0x55772f068e50), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x55772f068e50), _3766)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _18676)
   Exit: (197) [system] peek_char((0x55772f068e50), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
   Call: (197) [system] (:)=(/)
   Fail: (197) [system] (:)=(/)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _34686)
   Exit: (196) [system] peek_char((0x55772f068e50), :)
   Call: (196) [system] (:)=')'
   Fail: (196) [system] (:)=')'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _40256)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _42114)
   Exit: (198) [system] peek_char((0x55772f068e50), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
   Call: (198) [system] (:)=(/)
   Fail: (198) [system] (:)=(/)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _58124)
   Exit: (197) [system] get_char((0x55772f068e50), :)
   Call: (197) [system] (:)='('
   Fail: (197) [system] (:)='('
   Call: (197) [system] (:)='['
   Fail: (197) [system] (:)='['
   Call: (197) [system] (:)='{'
   Fail: (197) [system] (:)='{'
   Call: (197) [system] (:)='"'
   Fail: (197) [system] (:)='"'
   Call: (197) [system] (:)=!
   Fail: (197) [system] (:)=!
   Call: (197) [system] (:)='\''
   Fail: (197) [system] (:)='\''
   Call: (197) [system] (:)='`'
   Fail: (197) [system] (:)='`'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x55772f068e50), :, _40256)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _75766)
   Call: (199) [system] peek_char((0x55772f068e50), _76700)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _75766=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (198) [user] classify_and_convert_charseq([:], _40256)
^  Call: (199) [user] classify_and_convert_charseq_([:], _85984)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_86936, _86938), once(user:catch(read_from_chars([:], _85984), _86918, fail)), '$restore_trace'(_86936, _86938))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_86936, _86938))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _86918, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(:)
   Exit: (200) [system] atomic(:)
^  Exit: (199) [user] classify_and_convert_charseq_([:], :)
   Call: (199) [system] integer(:)
   Fail: (199) [system] integer(:)
   Call: (199) [system] _40256=(:)
   Exit: (199) [system] (:)=(:)
^  Exit: (198) [user] classify_and_convert_charseq([:], :)
^  Exit: (197) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (196) [user] read_list(')', (0x55772f068e50), _99064)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _100922)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _110516)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _113220)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _130154)
   Exit: (197) [system] peek_char((0x55772f068e50), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _135724)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _137582)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _153592)
   Exit: (198) [system] get_char((0x55772f068e50), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x55772f068e50), $, _135724)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _171234)
   Call: (200) [system] peek_char((0x55772f068e50), _172168)
   Exit: (200) [system] peek_char((0x55772f068e50), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_176888, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_177820, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x55772f068e50), p)
   Exit: (200) [system] get_char((0x55772f068e50), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _185170)
   Call: (201) [system] peek_char((0x55772f068e50), _186104)
   Exit: (201) [system] peek_char((0x55772f068e50), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Fail: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_190824, v('(', ')', end_of_file), r)
   Fail: (202) [system] arg(_191756, v('(', ')', end_of_file), r)
^  Fail: (201) [user] is_delimiter(r)
   Call: (201) [system] ')'==r
   Fail: (201) [system] ')'==r
   Call: (201) [system] get_char((0x55772f068e50), r)
   Exit: (201) [system] get_char((0x55772f068e50), r)
   Call: (201) [system] r=(\)
   Fail: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _199106)
   Call: (202) [system] peek_char((0x55772f068e50), _200040)
   Exit: (202) [system] peek_char((0x55772f068e50), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_204760, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_205692, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x55772f068e50), o)
   Exit: (202) [system] get_char((0x55772f068e50), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _213042)
   Call: (203) [system] peek_char((0x55772f068e50), _213976)
   Exit: (203) [system] peek_char((0x55772f068e50), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_218696, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_219628, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x55772f068e50), o)
   Exit: (203) [system] get_char((0x55772f068e50), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _226978)
   Call: (204) [system] peek_char((0x55772f068e50), _227912)
   Exit: (204) [system] peek_char((0x55772f068e50), f)
^  Call: (204) [user] is_delimiter(f)
   Call: (205) [system] char_type(f, space)
   Fail: (205) [system] char_type(f, space)
   Call: (205) [system] arg(_232632, v('(', ')', end_of_file), f)
   Fail: (205) [system] arg(_233564, v('(', ')', end_of_file), f)
^  Fail: (204) [user] is_delimiter(f)
   Call: (204) [system] ')'==f
   Fail: (204) [system] ')'==f
   Call: (204) [system] get_char((0x55772f068e50), f)
   Exit: (204) [system] get_char((0x55772f068e50), f)
   Call: (204) [system] f=(\)
   Fail: (204) [system] f=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _240914)
   Call: (205) [system] peek_char((0x55772f068e50), _241848)
   Exit: (205) [system] peek_char((0x55772f068e50), '2')
^  Call: (205) [user] is_delimiter('2')
   Call: (206) [system] char_type('2', space)
   Fail: (206) [system] char_type('2', space)
   Call: (206) [system] arg(_246568, v('(', ')', end_of_file), '2')
   Fail: (206) [system] arg(_247500, v('(', ')', end_of_file), '2')
^  Fail: (205) [user] is_delimiter('2')
   Call: (205) [system] ')'=='2'
   Fail: (205) [system] ')'=='2'
   Call: (205) [system] get_char((0x55772f068e50), '2')
   Exit: (205) [system] get_char((0x55772f068e50), '2')
   Call: (205) [system] '2'=(\)
   Fail: (205) [system] '2'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _254850)
   Call: (206) [system] peek_char((0x55772f068e50), _255784)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _254850=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (205) [system] _240914=['2']
   Exit: (205) [system] ['2']=['2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), ['2'])
   Call: (204) [system] _226978=[f, '2']
   Exit: (204) [system] [f, '2']=[f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '2'])
   Call: (203) [system] _213042=[o, f, '2']
   Exit: (203) [system] [o, f, '2']=[o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '2'])
   Call: (202) [system] _199106=[o, o, f, '2']
   Exit: (202) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '2'])
   Call: (201) [system] _185170=[r, o, o, f, '2']
   Exit: (201) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '2'])
   Call: (200) [system] _171234=[p, r, o, o, f, '2']
   Exit: (200) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '2'])
^  Call: (199) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _135724)
^  Call: (200) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _281832)
   Call: (201) [system] atom_chars(_282764, ['_', p, r, o, o, f, '2'])
   Exit: (201) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (200) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _proof2)
   Call: (200) [system] integer(_proof2)
   Fail: (200) [system] integer(_proof2)
   Call: (200) [system] _135724=_proof2
   Exit: (200) [system] _proof2=_proof2
^  Exit: (199) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _proof2)
^  Exit: (198) [user] read_symbolic(')', (0x55772f068e50), $, _proof2)
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), _proof2)
^  Call: (197) [user] read_list(')', (0x55772f068e50), _292056)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _293914)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _303508)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _306212)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _323146)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _328716)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _330574)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _346584)
   Exit: (199) [system] get_char((0x55772f068e50), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x55772f068e50), $, _328716)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _364226)
   Call: (201) [system] peek_char((0x55772f068e50), _365160)
   Exit: (201) [system] peek_char((0x55772f068e50), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_369880, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_370812, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x55772f068e50), p)
   Exit: (201) [system] get_char((0x55772f068e50), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _378162)
   Call: (202) [system] peek_char((0x55772f068e50), _379096)
   Exit: (202) [system] peek_char((0x55772f068e50), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_383816, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_384748, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x55772f068e50), r)
   Exit: (202) [system] get_char((0x55772f068e50), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _392098)
   Call: (203) [system] peek_char((0x55772f068e50), _393032)
   Exit: (203) [system] peek_char((0x55772f068e50), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_397752, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_398684, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x55772f068e50), e)
   Exit: (203) [system] get_char((0x55772f068e50), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _406034)
   Call: (204) [system] peek_char((0x55772f068e50), _406968)
   Exit: (204) [system] peek_char((0x55772f068e50), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_411688, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_412620, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x55772f068e50), m)
   Exit: (204) [system] get_char((0x55772f068e50), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _419970)
   Call: (205) [system] peek_char((0x55772f068e50), _420904)
   Exit: (205) [system] peek_char((0x55772f068e50), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_425624, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_426556, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x55772f068e50), i)
   Exit: (205) [system] get_char((0x55772f068e50), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _433906)
   Call: (206) [system] peek_char((0x55772f068e50), _434840)
   Exit: (206) [system] peek_char((0x55772f068e50), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_439560, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_440492, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x55772f068e50), s)
   Exit: (206) [system] get_char((0x55772f068e50), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _447842)
   Call: (207) [system] peek_char((0x55772f068e50), _448776)
   Exit: (207) [system] peek_char((0x55772f068e50), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_453496, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_454428, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x55772f068e50), e)
   Exit: (207) [system] get_char((0x55772f068e50), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _461778)
   Call: (208) [system] peek_char((0x55772f068e50), _462712)
   Exit: (208) [system] peek_char((0x55772f068e50), '2')
^  Call: (208) [user] is_delimiter('2')
   Call: (209) [system] char_type('2', space)
   Fail: (209) [system] char_type('2', space)
   Call: (209) [system] arg(_467432, v('(', ')', end_of_file), '2')
   Fail: (209) [system] arg(_468364, v('(', ')', end_of_file), '2')
^  Fail: (208) [user] is_delimiter('2')
   Call: (208) [system] ')'=='2'
   Fail: (208) [system] ')'=='2'
   Call: (208) [system] get_char((0x55772f068e50), '2')
   Exit: (208) [system] get_char((0x55772f068e50), '2')
   Call: (208) [system] '2'=(\)
   Fail: (208) [system] '2'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _475714)
   Call: (209) [system] peek_char((0x55772f068e50), _476648)
   Exit: (209) [system] peek_char((0x55772f068e50), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_481368, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _475714=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (208) [system] _461778=['2']
   Exit: (208) [system] ['2']=['2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), ['2'])
   Call: (207) [system] _447842=[e, '2']
   Exit: (207) [system] [e, '2']=[e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '2'])
   Call: (206) [system] _433906=[s, e, '2']
   Exit: (206) [system] [s, e, '2']=[s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '2'])
   Call: (205) [system] _419970=[i, s, e, '2']
   Exit: (205) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '2'])
   Call: (204) [system] _406034=[m, i, s, e, '2']
   Exit: (204) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '2'])
   Call: (203) [system] _392098=[e, m, i, s, e, '2']
   Exit: (203) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '2'])
   Call: (202) [system] _378162=[r, e, m, i, s, e, '2']
   Exit: (202) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '2'])
   Call: (201) [system] _364226=[p, r, e, m, i, s, e, '2']
   Exit: (201) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '2'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _328716)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _510156)
   Call: (202) [system] atom_chars(_511088, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (202) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _premise2)
   Call: (201) [system] integer(_premise2)
   Fail: (201) [system] integer(_premise2)
   Call: (201) [system] _328716=_premise2
   Exit: (201) [system] _premise2=_premise2
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (199) [user] read_symbolic(')', (0x55772f068e50), $, _premise2)
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), _premise2)
^  Call: (198) [user] read_list(')', (0x55772f068e50), _520380)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _522238)
   Exit: (200) [system] peek_char((0x55772f068e50), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
   Call: (200) [system] ')'=(/)
   Fail: (200) [system] ')'=(/)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _538248)
   Exit: (199) [system] peek_char((0x55772f068e50), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x55772f068e50), _542038)
   Exit: (199) [system] get_char((0x55772f068e50), ')')
   Call: (199) [system] _520380=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [])
   Call: (198) [system] _292056=[_premise2]
   Exit: (198) [system] [_premise2]=[_premise2]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [_premise2])
   Call: (197) [system] _99064=[_proof2, _premise2]
   Exit: (197) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [_proof2, _premise2])
   Call: (196) [system] _3766=[:, _proof2, _premise2]
   Exit: (196) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [:, _proof2, _premise2])
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), [:, _proof2, _premise2])
^  Call: (194) [user] read_list(')', (0x55772f068e50), _555920)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _557778)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _567372)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _570076)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _587010)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _592580)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _594438)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _610448)
   Exit: (196) [system] get_char((0x55772f068e50), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x55772f068e50), _592580)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _616018)
   Exit: (198) [system] peek_char((0x55772f068e50), s)
   Call: (198) [system] s=(;)
   Fail: (198) [system] s=(;)
   Call: (198) [system] s=(/)
   Fail: (198) [system] s=(/)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Fail: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Fail: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
   Fail: (199) [system] char_type(s, cntrl)
^  Fail: (198) [user] is_like_space(s)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _632028)
   Exit: (197) [system] peek_char((0x55772f068e50), s)
   Call: (197) [system] s=')'
   Fail: (197) [system] s=')'
   Call: (197) [system] s=end_of_file
   Fail: (197) [system] s=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _637598)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _639456)
   Exit: (199) [system] peek_char((0x55772f068e50), s)
   Call: (199) [system] s=(;)
   Fail: (199) [system] s=(;)
   Call: (199) [system] s=(/)
   Fail: (199) [system] s=(/)
^  Call: (199) [user] is_like_space(s)
   Call: (200) [system] char_type(s, 'white')
   Fail: (200) [system] char_type(s, 'white')
   Call: (200) [system] char_type(s, end_of_line)
   Fail: (200) [system] char_type(s, end_of_line)
   Call: (200) [system] char_type(s, space)
   Fail: (200) [system] char_type(s, space)
   Call: (200) [system] char_type(s, cntrl)
   Fail: (200) [system] char_type(s, cntrl)
^  Fail: (199) [user] is_like_space(s)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _655466)
   Exit: (198) [system] get_char((0x55772f068e50), s)
   Call: (198) [system] s='('
   Fail: (198) [system] s='('
   Call: (198) [system] s='['
   Fail: (198) [system] s='['
   Call: (198) [system] s='{'
   Fail: (198) [system] s='{'
   Call: (198) [system] s='"'
   Fail: (198) [system] s='"'
   Call: (198) [system] s=!
   Fail: (198) [system] s=!
   Call: (198) [system] s='\''
   Fail: (198) [system] s='\''
   Call: (198) [system] s='`'
   Fail: (198) [system] s='`'
   Call: (198) [system] s=end_of_file
   Fail: (198) [system] s=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x55772f068e50), s, _637598)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _673108)
   Call: (200) [system] peek_char((0x55772f068e50), _674042)
   Exit: (200) [system] peek_char((0x55772f068e50), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Fail: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_678762, v('(', ')', end_of_file), y)
   Fail: (201) [system] arg(_679694, v('(', ')', end_of_file), y)
^  Fail: (200) [user] is_delimiter(y)
   Call: (200) [system] ')'==y
   Fail: (200) [system] ')'==y
   Call: (200) [system] get_char((0x55772f068e50), y)
   Exit: (200) [system] get_char((0x55772f068e50), y)
   Call: (200) [system] y=(\)
   Fail: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _687044)
   Call: (201) [system] peek_char((0x55772f068e50), _687978)
   Exit: (201) [system] peek_char((0x55772f068e50), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_692698, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_693630, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x55772f068e50), n)
   Exit: (201) [system] get_char((0x55772f068e50), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _700980)
   Call: (202) [system] peek_char((0x55772f068e50), _701914)
   Exit: (202) [system] peek_char((0x55772f068e50), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Fail: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_706634, v('(', ')', end_of_file), t)
   Fail: (203) [system] arg(_707566, v('(', ')', end_of_file), t)
^  Fail: (202) [user] is_delimiter(t)
   Call: (202) [system] ')'==t
   Fail: (202) [system] ')'==t
   Call: (202) [system] get_char((0x55772f068e50), t)
   Exit: (202) [system] get_char((0x55772f068e50), t)
   Call: (202) [system] t=(\)
   Fail: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _714916)
   Call: (203) [system] peek_char((0x55772f068e50), _715850)
   Exit: (203) [system] peek_char((0x55772f068e50), h)
^  Call: (203) [user] is_delimiter(h)
   Call: (204) [system] char_type(h, space)
   Fail: (204) [system] char_type(h, space)
   Call: (204) [system] arg(_720570, v('(', ')', end_of_file), h)
   Fail: (204) [system] arg(_721502, v('(', ')', end_of_file), h)
^  Fail: (203) [user] is_delimiter(h)
   Call: (203) [system] ')'==h
   Fail: (203) [system] ')'==h
   Call: (203) [system] get_char((0x55772f068e50), h)
   Exit: (203) [system] get_char((0x55772f068e50), h)
   Call: (203) [system] h=(\)
   Fail: (203) [system] h=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _728852)
   Call: (204) [system] peek_char((0x55772f068e50), _729786)
   Exit: (204) [system] peek_char((0x55772f068e50), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_734506, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_735438, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x55772f068e50), e)
   Exit: (204) [system] get_char((0x55772f068e50), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _742788)
   Call: (205) [system] peek_char((0x55772f068e50), _743722)
   Exit: (205) [system] peek_char((0x55772f068e50), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_748442, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_749374, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x55772f068e50), s)
   Exit: (205) [system] get_char((0x55772f068e50), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _756724)
   Call: (206) [system] peek_char((0x55772f068e50), _757658)
   Exit: (206) [system] peek_char((0x55772f068e50), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_762378, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_763310, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x55772f068e50), i)
   Exit: (206) [system] get_char((0x55772f068e50), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _770660)
   Call: (207) [system] peek_char((0x55772f068e50), _771594)
   Exit: (207) [system] peek_char((0x55772f068e50), z)
^  Call: (207) [user] is_delimiter(z)
   Call: (208) [system] char_type(z, space)
   Fail: (208) [system] char_type(z, space)
   Call: (208) [system] arg(_776314, v('(', ')', end_of_file), z)
   Fail: (208) [system] arg(_777246, v('(', ')', end_of_file), z)
^  Fail: (207) [user] is_delimiter(z)
   Call: (207) [system] ')'==z
   Fail: (207) [system] ')'==z
   Call: (207) [system] get_char((0x55772f068e50), z)
   Exit: (207) [system] get_char((0x55772f068e50), z)
   Call: (207) [system] z=(\)
   Fail: (207) [system] z=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _784596)
   Call: (208) [system] peek_char((0x55772f068e50), _785530)
   Exit: (208) [system] peek_char((0x55772f068e50), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_790250, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_791182, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x55772f068e50), e)
   Exit: (208) [system] get_char((0x55772f068e50), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _798532)
   Call: (209) [system] peek_char((0x55772f068e50), _799466)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _798532=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (208) [system] _784596=[e]
   Exit: (208) [system] [e]=[e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (207) [system] _770660=[z, e]
   Exit: (207) [system] [z, e]=[z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [z, e])
   Call: (206) [system] _756724=[i, z, e]
   Exit: (206) [system] [i, z, e]=[i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [i, z, e])
   Call: (205) [system] _742788=[s, i, z, e]
   Exit: (205) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [s, i, z, e])
   Call: (204) [system] _728852=[e, s, i, z, e]
   Exit: (204) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [e, s, i, z, e])
   Call: (203) [system] _714916=[h, e, s, i, z, e]
   Exit: (203) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [h, e, s, i, z, e])
   Call: (202) [system] _700980=[t, h, e, s, i, z, e]
   Exit: (202) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [t, h, e, s, i, z, e])
   Call: (201) [system] _687044=[n, t, h, e, s, i, z, e]
   Exit: (201) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, h, e, s, i, z, e])
   Call: (200) [system] _673108=[y, n, t, h, e, s, i, z, e]
   Exit: (200) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [y, n, t, h, e, s, i, z, e])
^  Call: (199) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _637598)
^  Call: (200) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _833896)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_834848, _834850), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _833896), _834830, fail)), '$restore_trace'(_834848, _834850))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_834848, _834850))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _834830, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(synthesize)
   Exit: (201) [system] atomic(synthesize)
^  Exit: (200) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (200) [system] integer(synthesize)
   Fail: (200) [system] integer(synthesize)
   Call: (200) [system] _637598=synthesize
   Exit: (200) [system] synthesize=synthesize
^  Exit: (199) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (198) [user] read_symbolic(')', (0x55772f068e50), s, synthesize)
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), synthesize)
^  Call: (197) [user] read_list(')', (0x55772f068e50), _846976)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _848834)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _858428)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _861132)
   Exit: (200) [system] peek_char((0x55772f068e50), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _878066)
   Exit: (198) [system] peek_char((0x55772f068e50), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _883636)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _885494)
   Exit: (200) [system] peek_char((0x55772f068e50), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _901504)
   Exit: (199) [system] get_char((0x55772f068e50), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x55772f068e50), _883636)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _907074)
   Exit: (201) [system] peek_char((0x55772f068e50), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _923084)
   Exit: (200) [system] peek_char((0x55772f068e50), :)
   Call: (200) [system] (:)=')'
   Fail: (200) [system] (:)=')'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _928654)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _930512)
   Exit: (202) [system] peek_char((0x55772f068e50), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
   Call: (202) [system] (:)=(/)
   Fail: (202) [system] (:)=(/)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _946522)
   Exit: (201) [system] get_char((0x55772f068e50), :)
   Call: (201) [system] (:)='('
   Fail: (201) [system] (:)='('
   Call: (201) [system] (:)='['
   Fail: (201) [system] (:)='['
   Call: (201) [system] (:)='{'
   Fail: (201) [system] (:)='{'
   Call: (201) [system] (:)='"'
   Fail: (201) [system] (:)='"'
   Call: (201) [system] (:)=!
   Fail: (201) [system] (:)=!
   Call: (201) [system] (:)='\''
   Fail: (201) [system] (:)='\''
   Call: (201) [system] (:)='`'
   Fail: (201) [system] (:)='`'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), :, _928654)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _964164)
   Call: (203) [system] peek_char((0x55772f068e50), _965098)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _964164=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (202) [user] classify_and_convert_charseq([:], _928654)
^  Call: (203) [user] classify_and_convert_charseq_([:], _974382)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_975334, _975336), once(user:catch(read_from_chars([:], _974382), _975316, fail)), '$restore_trace'(_975334, _975336))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_975334, _975336))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _975316, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(:)
   Exit: (204) [system] atomic(:)
^  Exit: (203) [user] classify_and_convert_charseq_([:], :)
   Call: (203) [system] integer(:)
   Fail: (203) [system] integer(:)
   Call: (203) [system] _928654=(:)
   Exit: (203) [system] (:)=(:)
^  Exit: (202) [user] classify_and_convert_charseq([:], :)
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (200) [user] read_list(')', (0x55772f068e50), _987462)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _989320)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _998914)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1001618)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1018552)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _1024122)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1025980)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _1041990)
   Exit: (202) [system] get_char((0x55772f068e50), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), $, _1024122)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1059632)
   Call: (204) [system] peek_char((0x55772f068e50), _1060566)
   Exit: (204) [system] peek_char((0x55772f068e50), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1065286, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_1066218, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x55772f068e50), p)
   Exit: (204) [system] get_char((0x55772f068e50), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1073568)
   Call: (205) [system] peek_char((0x55772f068e50), _1074502)
   Exit: (205) [system] peek_char((0x55772f068e50), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1079222, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1080154, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x55772f068e50), r)
   Exit: (205) [system] get_char((0x55772f068e50), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1087504)
   Call: (206) [system] peek_char((0x55772f068e50), _1088438)
   Exit: (206) [system] peek_char((0x55772f068e50), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1093158, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1094090, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x55772f068e50), o)
   Exit: (206) [system] get_char((0x55772f068e50), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1101440)
   Call: (207) [system] peek_char((0x55772f068e50), _1102374)
   Exit: (207) [system] peek_char((0x55772f068e50), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1107094, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1108026, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x55772f068e50), o)
   Exit: (207) [system] get_char((0x55772f068e50), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1115376)
   Call: (208) [system] peek_char((0x55772f068e50), _1116310)
   Exit: (208) [system] peek_char((0x55772f068e50), f)
^  Call: (208) [user] is_delimiter(f)
   Call: (209) [system] char_type(f, space)
   Fail: (209) [system] char_type(f, space)
   Call: (209) [system] arg(_1121030, v('(', ')', end_of_file), f)
   Fail: (209) [system] arg(_1121962, v('(', ')', end_of_file), f)
^  Fail: (208) [user] is_delimiter(f)
   Call: (208) [system] ')'==f
   Fail: (208) [system] ')'==f
   Call: (208) [system] get_char((0x55772f068e50), f)
   Exit: (208) [system] get_char((0x55772f068e50), f)
   Call: (208) [system] f=(\)
   Fail: (208) [system] f=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1129312)
   Call: (209) [system] peek_char((0x55772f068e50), _1130246)
   Exit: (209) [system] peek_char((0x55772f068e50), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Fail: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_1134966, v('(', ')', end_of_file), '2')
   Fail: (210) [system] arg(_1135898, v('(', ')', end_of_file), '2')
^  Fail: (209) [user] is_delimiter('2')
   Call: (209) [system] ')'=='2'
   Fail: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x55772f068e50), '2')
   Exit: (209) [system] get_char((0x55772f068e50), '2')
   Call: (209) [system] '2'=(\)
   Fail: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1143248)
   Call: (210) [system] peek_char((0x55772f068e50), _1144182)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1143248=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (209) [system] _1129312=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), ['2'])
   Call: (208) [system] _1115376=[f, '2']
   Exit: (208) [system] [f, '2']=[f, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '2'])
   Call: (207) [system] _1101440=[o, f, '2']
   Exit: (207) [system] [o, f, '2']=[o, f, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '2'])
   Call: (206) [system] _1087504=[o, o, f, '2']
   Exit: (206) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '2'])
   Call: (205) [system] _1073568=[r, o, o, f, '2']
   Exit: (205) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '2'])
   Call: (204) [system] _1059632=[p, r, o, o, f, '2']
   Exit: (204) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '2'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _1024122)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _1170230)
   Call: (205) [system] atom_chars(_1171162, ['_', p, r, o, o, f, '2'])
   Exit: (205) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _proof2)
   Call: (204) [system] integer(_proof2)
   Fail: (204) [system] integer(_proof2)
   Call: (204) [system] _1024122=_proof2
   Exit: (204) [system] _proof2=_proof2
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _proof2)
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), $, _proof2)
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), _proof2)
^  Call: (201) [user] read_list(')', (0x55772f068e50), _1180454)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1182312)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _1191906)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1194610)
   Exit: (204) [system] peek_char((0x55772f068e50), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1211544)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x55772f068e50), _1217114)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1218972)
   Exit: (204) [system] peek_char((0x55772f068e50), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] get_char((0x55772f068e50), _1234982)
   Exit: (203) [system] get_char((0x55772f068e50), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x55772f068e50), $, _1217114)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1252624)
   Call: (205) [system] peek_char((0x55772f068e50), _1253558)
   Exit: (205) [system] peek_char((0x55772f068e50), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Fail: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_1258278, v('(', ')', end_of_file), p)
   Fail: (206) [system] arg(_1259210, v('(', ')', end_of_file), p)
^  Fail: (205) [user] is_delimiter(p)
   Call: (205) [system] ')'==p
   Fail: (205) [system] ')'==p
   Call: (205) [system] get_char((0x55772f068e50), p)
   Exit: (205) [system] get_char((0x55772f068e50), p)
   Call: (205) [system] p=(\)
   Fail: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1266560)
   Call: (206) [system] peek_char((0x55772f068e50), _1267494)
   Exit: (206) [system] peek_char((0x55772f068e50), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_1272214, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_1273146, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x55772f068e50), r)
   Exit: (206) [system] get_char((0x55772f068e50), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1280496)
   Call: (207) [system] peek_char((0x55772f068e50), _1281430)
   Exit: (207) [system] peek_char((0x55772f068e50), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1286150, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_1287082, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x55772f068e50), e)
   Exit: (207) [system] get_char((0x55772f068e50), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1294432)
   Call: (208) [system] peek_char((0x55772f068e50), _1295366)
   Exit: (208) [system] peek_char((0x55772f068e50), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_1300086, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_1301018, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x55772f068e50), m)
   Exit: (208) [system] get_char((0x55772f068e50), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1308368)
   Call: (209) [system] peek_char((0x55772f068e50), _1309302)
   Exit: (209) [system] peek_char((0x55772f068e50), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1314022, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_1314954, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x55772f068e50), i)
   Exit: (209) [system] get_char((0x55772f068e50), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1322304)
   Call: (210) [system] peek_char((0x55772f068e50), _1323238)
   Exit: (210) [system] peek_char((0x55772f068e50), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Fail: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_1327958, v('(', ')', end_of_file), s)
   Fail: (211) [system] arg(_1328890, v('(', ')', end_of_file), s)
^  Fail: (210) [user] is_delimiter(s)
   Call: (210) [system] ')'==s
   Fail: (210) [system] ')'==s
   Call: (210) [system] get_char((0x55772f068e50), s)
   Exit: (210) [system] get_char((0x55772f068e50), s)
   Call: (210) [system] s=(\)
   Fail: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1336240)
   Call: (211) [system] peek_char((0x55772f068e50), _1337174)
   Exit: (211) [system] peek_char((0x55772f068e50), e)
^  Call: (211) [user] is_delimiter(e)
   Call: (212) [system] char_type(e, space)
   Fail: (212) [system] char_type(e, space)
   Call: (212) [system] arg(_1341894, v('(', ')', end_of_file), e)
   Fail: (212) [system] arg(_1342826, v('(', ')', end_of_file), e)
^  Fail: (211) [user] is_delimiter(e)
   Call: (211) [system] ')'==e
   Fail: (211) [system] ')'==e
   Call: (211) [system] get_char((0x55772f068e50), e)
   Exit: (211) [system] get_char((0x55772f068e50), e)
   Call: (211) [system] e=(\)
   Fail: (211) [system] e=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1350176)
   Call: (212) [system] peek_char((0x55772f068e50), _1351110)
   Exit: (212) [system] peek_char((0x55772f068e50), '2')
^  Call: (212) [user] is_delimiter('2')
   Call: (213) [system] char_type('2', space)
   Fail: (213) [system] char_type('2', space)
   Call: (213) [system] arg(_1355830, v('(', ')', end_of_file), '2')
   Fail: (213) [system] arg(_1356762, v('(', ')', end_of_file), '2')
^  Fail: (212) [user] is_delimiter('2')
   Call: (212) [system] ')'=='2'
   Fail: (212) [system] ')'=='2'
   Call: (212) [system] get_char((0x55772f068e50), '2')
   Exit: (212) [system] get_char((0x55772f068e50), '2')
   Call: (212) [system] '2'=(\)
   Fail: (212) [system] '2'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1364112)
   Call: (213) [system] peek_char((0x55772f068e50), _1365046)
   Exit: (213) [system] peek_char((0x55772f068e50), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_1369766, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _1364112=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (212) [system] _1350176=['2']
   Exit: (212) [system] ['2']=['2']
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), ['2'])
   Call: (211) [system] _1336240=[e, '2']
   Exit: (211) [system] [e, '2']=[e, '2']
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '2'])
   Call: (210) [system] _1322304=[s, e, '2']
   Exit: (210) [system] [s, e, '2']=[s, e, '2']
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '2'])
   Call: (209) [system] _1308368=[i, s, e, '2']
   Exit: (209) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '2'])
   Call: (208) [system] _1294432=[m, i, s, e, '2']
   Exit: (208) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '2'])
   Call: (207) [system] _1280496=[e, m, i, s, e, '2']
   Exit: (207) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '2'])
   Call: (206) [system] _1266560=[r, e, m, i, s, e, '2']
   Exit: (206) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '2'])
   Call: (205) [system] _1252624=[p, r, e, m, i, s, e, '2']
   Exit: (205) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '2'])
^  Call: (204) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _1217114)
^  Call: (205) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _1398554)
   Call: (206) [system] atom_chars(_1399486, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (206) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (205) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _premise2)
   Call: (205) [system] integer(_premise2)
   Fail: (205) [system] integer(_premise2)
   Call: (205) [system] _1217114=_premise2
   Exit: (205) [system] _premise2=_premise2
^  Exit: (204) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (203) [user] read_symbolic(')', (0x55772f068e50), $, _premise2)
^  Exit: (202) [user] cont_sexpr(')', (0x55772f068e50), _premise2)
^  Call: (202) [user] read_list(')', (0x55772f068e50), _1408778)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1410636)
   Exit: (204) [system] peek_char((0x55772f068e50), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1426646)
   Exit: (203) [system] peek_char((0x55772f068e50), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x55772f068e50), _1430436)
   Exit: (203) [system] get_char((0x55772f068e50), ')')
   Call: (203) [system] _1408778=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x55772f068e50), [])
   Call: (202) [system] _1180454=[_premise2]
   Exit: (202) [system] [_premise2]=[_premise2]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [_premise2])
   Call: (201) [system] _987462=[_proof2, _premise2]
   Exit: (201) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [_proof2, _premise2])
   Call: (200) [system] _883636=[:, _proof2, _premise2]
   Exit: (200) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [:, _proof2, _premise2])
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), [:, _proof2, _premise2])
^  Call: (198) [user] read_list(')', (0x55772f068e50), _1444318)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1446176)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _1455770)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1458474)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1475408)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _1480978)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1482836)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _1498846)
   Exit: (200) [system] get_char((0x55772f068e50), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), $, _1480978)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1516488)
   Call: (202) [system] peek_char((0x55772f068e50), _1517422)
   Exit: (202) [system] peek_char((0x55772f068e50), k)
^  Call: (202) [user] is_delimiter(k)
   Call: (203) [system] char_type(k, space)
   Fail: (203) [system] char_type(k, space)
   Call: (203) [system] arg(_1522142, v('(', ')', end_of_file), k)
   Fail: (203) [system] arg(_1523074, v('(', ')', end_of_file), k)
^  Fail: (202) [user] is_delimiter(k)
   Call: (202) [system] ')'==k
   Fail: (202) [system] ')'==k
   Call: (202) [system] get_char((0x55772f068e50), k)
   Exit: (202) [system] get_char((0x55772f068e50), k)
   Call: (202) [system] k=(\)
   Fail: (202) [system] k=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1530424)
   Call: (203) [system] peek_char((0x55772f068e50), _1531358)
   Exit: (203) [system] peek_char((0x55772f068e50), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_1536078, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_1537010, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x55772f068e50), b)
   Exit: (203) [system] get_char((0x55772f068e50), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1544360)
   Call: (204) [system] peek_char((0x55772f068e50), _1545294)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1544360=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (203) [system] _1530424=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (202) [system] _1516488=[k, b]
   Exit: (202) [system] [k, b]=[k, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [k, b])
^  Call: (201) [user] classify_and_convert_charseq([$, k, b], _1480978)
^  Call: (202) [user] classify_and_convert_charseq_([$, k, b], _1560166)
   Call: (203) [system] atom_chars(_1561098, ['_', k, b])
   Exit: (203) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (202) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (202) [system] integer(_kb)
   Fail: (202) [system] integer(_kb)
   Call: (202) [system] _1480978=_kb
   Exit: (202) [system] _kb=_kb
^  Exit: (201) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), $, _kb)
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), _kb)
^  Call: (199) [user] read_list(')', (0x55772f068e50), _1570390)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1572248)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _1581842)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1584546)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1601480)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _1607050)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1608908)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _1624918)
   Exit: (201) [system] get_char((0x55772f068e50), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), $, _1607050)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1642560)
   Call: (203) [system] peek_char((0x55772f068e50), _1643494)
   Exit: (203) [system] peek_char((0x55772f068e50), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_1648214, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_1649146, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x55772f068e50), r)
   Exit: (203) [system] get_char((0x55772f068e50), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1656496)
   Call: (204) [system] peek_char((0x55772f068e50), _1657430)
   Exit: (204) [system] peek_char((0x55772f068e50), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Fail: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_1662150, v('(', ')', end_of_file), b)
   Fail: (205) [system] arg(_1663082, v('(', ')', end_of_file), b)
^  Fail: (204) [user] is_delimiter(b)
   Call: (204) [system] ')'==b
   Fail: (204) [system] ')'==b
   Call: (204) [system] get_char((0x55772f068e50), b)
   Exit: (204) [system] get_char((0x55772f068e50), b)
   Call: (204) [system] b=(\)
   Fail: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1670432)
   Call: (205) [system] peek_char((0x55772f068e50), _1671366)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1670432=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (204) [system] _1656496=[b]
   Exit: (204) [system] [b]=[b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (203) [system] _1642560=[r, b]
   Exit: (203) [system] [r, b]=[r, b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [r, b])
^  Call: (202) [user] classify_and_convert_charseq([$, r, b], _1607050)
^  Call: (203) [user] classify_and_convert_charseq_([$, r, b], _1686238)
   Call: (204) [system] atom_chars(_1687170, ['_', r, b])
   Exit: (204) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (203) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (203) [system] integer(_rb)
   Fail: (203) [system] integer(_rb)
   Call: (203) [system] _1607050=_rb
   Exit: (203) [system] _rb=_rb
^  Exit: (202) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), $, _rb)
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), _rb)
^  Call: (200) [user] read_list(')', (0x55772f068e50), _1696462)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1698320)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _1707914)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1710618)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1727552)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _1733122)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1734980)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _1750990)
   Exit: (202) [system] get_char((0x55772f068e50), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), $, _1733122)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1768632)
   Call: (204) [system] peek_char((0x55772f068e50), _1769566)
   Exit: (204) [system] peek_char((0x55772f068e50), k)
^  Call: (204) [user] is_delimiter(k)
   Call: (205) [system] char_type(k, space)
   Fail: (205) [system] char_type(k, space)
   Call: (205) [system] arg(_1774286, v('(', ')', end_of_file), k)
   Fail: (205) [system] arg(_1775218, v('(', ')', end_of_file), k)
^  Fail: (204) [user] is_delimiter(k)
   Call: (204) [system] ')'==k
   Fail: (204) [system] ')'==k
   Call: (204) [system] get_char((0x55772f068e50), k)
   Exit: (204) [system] get_char((0x55772f068e50), k)
   Call: (204) [system] k=(\)
   Fail: (204) [system] k=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1782568)
   Call: (205) [system] peek_char((0x55772f068e50), _1783502)
   Exit: (205) [system] peek_char((0x55772f068e50), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_1788222, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _1782568=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (204) [system] _1768632=[k]
   Exit: (204) [system] [k]=[k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
^  Call: (203) [user] classify_and_convert_charseq([$, k], _1733122)
^  Call: (204) [user] classify_and_convert_charseq_([$, k], _1797452)
   Call: (205) [system] atom_chars(_1798384, ['_', k])
   Exit: (205) [system] atom_chars('_k', ['_', k])
^  Exit: (204) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (204) [system] integer(_k)
   Fail: (204) [system] integer(_k)
   Call: (204) [system] _1733122=_k
   Exit: (204) [system] _k=_k
^  Exit: (203) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), $, _k)
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), _k)
^  Call: (201) [user] read_list(')', (0x55772f068e50), _1807676)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1809534)
   Exit: (203) [system] peek_char((0x55772f068e50), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1825544)
   Exit: (202) [system] peek_char((0x55772f068e50), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x55772f068e50), _1829334)
   Exit: (202) [system] get_char((0x55772f068e50), ')')
   Call: (202) [system] _1807676=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [])
   Call: (201) [system] _1696462=[_k]
   Exit: (201) [system] [_k]=[_k]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [_k])
   Call: (200) [system] _1570390=[_rb, _k]
   Exit: (200) [system] [_rb, _k]=[_rb, _k]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [_rb, _k])
   Call: (199) [system] _1444318=[_kb, _rb, _k]
   Exit: (199) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [_kb, _rb, _k])
   Call: (198) [system] _846976=[[:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (198) [system] [[:, _proof2, _premise2], _kb, _rb, _k]=[[:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [[:, _proof2, _premise2], _kb, _rb, _k])
   Call: (197) [system] _592580=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (197) [system] [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Call: (195) [user] read_list(')', (0x55772f068e50), _1848804)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1850662)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1866672)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x55772f068e50), _1870462)
   Exit: (196) [system] get_char((0x55772f068e50), ')')
   Call: (196) [system] _1848804=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [])
   Call: (195) [system] _555920=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (195) [system] [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Call: (194) [system] _3760=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (194) [system] [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Call: (192) [user] read_list(')', (0x55772f068e50), _1881550)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1883408)
   Exit: (194) [system] peek_char((0x55772f068e50), '\n')
   Call: (194) [system] '\n'=(;)
   Fail: (194) [system] '\n'=(;)
   Call: (194) [system] '\n'=(/)
   Fail: (194) [system] '\n'=(/)
^  Call: (194) [user] is_like_space('\n')
   Call: (195) [system] char_type('\n', 'white')
   Fail: (195) [system] char_type('\n', 'white')
   Call: (195) [system] char_type('\n', end_of_line)
   Exit: (195) [system] char_type('\n', end_of_line)
^  Exit: (194) [user] is_like_space('\n')
   Call: (194) [system] get_char((0x55772f068e50), _1894858)
   Exit: (194) [system] get_char((0x55772f068e50), '\n')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1897562)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _1907156)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1909860)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _1919454)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1922158)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _1931752)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1934456)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _1944050)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1946754)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _1956348)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1959052)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _1968646)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1971350)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _1980944)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1983648)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _1993242)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1995946)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _2005540)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _2008244)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x55772f068e50), _2017838)
   Exit: (204) [system] get_char((0x55772f068e50), ' ')
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _2020542)
   Exit: (205) [system] peek_char((0x55772f068e50), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _2046716)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _2052286)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _2054144)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _2070154)
   Exit: (194) [system] get_char((0x55772f068e50), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x55772f068e50), _2052286)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _2075724)
   Exit: (196) [system] peek_char((0x55772f068e50), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _2091734)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _4454)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _6312)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _22322)
   Exit: (196) [system] get_char((0x55772f068e50), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x55772f068e50), _4454)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _27892)
   Exit: (198) [system] peek_char((0x55772f068e50), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
   Call: (198) [system] (:)=(/)
   Fail: (198) [system] (:)=(/)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _43902)
   Exit: (197) [system] peek_char((0x55772f068e50), :)
   Call: (197) [system] (:)=')'
   Fail: (197) [system] (:)=')'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _49472)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _51330)
   Exit: (199) [system] peek_char((0x55772f068e50), :)
   Call: (199) [system] (:)=(;)
   Fail: (199) [system] (:)=(;)
   Call: (199) [system] (:)=(/)
   Fail: (199) [system] (:)=(/)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Fail: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Fail: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
   Fail: (200) [system] char_type(:, cntrl)
^  Fail: (199) [user] is_like_space(:)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _67340)
   Exit: (198) [system] get_char((0x55772f068e50), :)
   Call: (198) [system] (:)='('
   Fail: (198) [system] (:)='('
   Call: (198) [system] (:)='['
   Fail: (198) [system] (:)='['
   Call: (198) [system] (:)='{'
   Fail: (198) [system] (:)='{'
   Call: (198) [system] (:)='"'
   Fail: (198) [system] (:)='"'
   Call: (198) [system] (:)=!
   Fail: (198) [system] (:)=!
   Call: (198) [system] (:)='\''
   Fail: (198) [system] (:)='\''
   Call: (198) [system] (:)='`'
   Fail: (198) [system] (:)='`'
   Call: (198) [system] (:)=end_of_file
   Fail: (198) [system] (:)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x55772f068e50), :, _49472)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _84982)
   Call: (200) [system] peek_char((0x55772f068e50), _85916)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _84982=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (199) [user] classify_and_convert_charseq([:], _49472)
^  Call: (200) [user] classify_and_convert_charseq_([:], _95200)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_96152, _96154), once(user:catch(read_from_chars([:], _95200), _96134, fail)), '$restore_trace'(_96152, _96154))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_96152, _96154))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _96134, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(:)
   Exit: (201) [system] atomic(:)
^  Exit: (200) [user] classify_and_convert_charseq_([:], :)
   Call: (200) [system] integer(:)
   Fail: (200) [system] integer(:)
   Call: (200) [system] _49472=(:)
   Exit: (200) [system] (:)=(:)
^  Exit: (199) [user] classify_and_convert_charseq([:], :)
^  Exit: (198) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (197) [user] read_list(')', (0x55772f068e50), _108280)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _110138)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _119732)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _122436)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _139370)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _144940)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _146798)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _162808)
   Exit: (199) [system] get_char((0x55772f068e50), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x55772f068e50), $, _144940)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _180450)
   Call: (201) [system] peek_char((0x55772f068e50), _181384)
   Exit: (201) [system] peek_char((0x55772f068e50), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_186104, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_187036, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x55772f068e50), p)
   Exit: (201) [system] get_char((0x55772f068e50), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _194386)
   Call: (202) [system] peek_char((0x55772f068e50), _195320)
   Exit: (202) [system] peek_char((0x55772f068e50), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_200040, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_200972, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x55772f068e50), r)
   Exit: (202) [system] get_char((0x55772f068e50), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _208322)
   Call: (203) [system] peek_char((0x55772f068e50), _209256)
   Exit: (203) [system] peek_char((0x55772f068e50), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_213976, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_214908, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x55772f068e50), o)
   Exit: (203) [system] get_char((0x55772f068e50), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _222258)
   Call: (204) [system] peek_char((0x55772f068e50), _223192)
   Exit: (204) [system] peek_char((0x55772f068e50), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_227912, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_228844, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x55772f068e50), o)
   Exit: (204) [system] get_char((0x55772f068e50), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _236194)
   Call: (205) [system] peek_char((0x55772f068e50), _237128)
   Exit: (205) [system] peek_char((0x55772f068e50), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Fail: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_241848, v('(', ')', end_of_file), f)
   Fail: (206) [system] arg(_242780, v('(', ')', end_of_file), f)
^  Fail: (205) [user] is_delimiter(f)
   Call: (205) [system] ')'==f
   Fail: (205) [system] ')'==f
   Call: (205) [system] get_char((0x55772f068e50), f)
   Exit: (205) [system] get_char((0x55772f068e50), f)
   Call: (205) [system] f=(\)
   Fail: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _250130)
   Call: (206) [system] peek_char((0x55772f068e50), _251064)
   Exit: (206) [system] peek_char((0x55772f068e50), '3')
^  Call: (206) [user] is_delimiter('3')
   Call: (207) [system] char_type('3', space)
   Fail: (207) [system] char_type('3', space)
   Call: (207) [system] arg(_255784, v('(', ')', end_of_file), '3')
   Fail: (207) [system] arg(_256716, v('(', ')', end_of_file), '3')
^  Fail: (206) [user] is_delimiter('3')
   Call: (206) [system] ')'=='3'
   Fail: (206) [system] ')'=='3'
   Call: (206) [system] get_char((0x55772f068e50), '3')
   Exit: (206) [system] get_char((0x55772f068e50), '3')
   Call: (206) [system] '3'=(\)
   Fail: (206) [system] '3'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _264066)
   Call: (207) [system] peek_char((0x55772f068e50), _265000)
   Exit: (207) [system] peek_char((0x55772f068e50), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _264066=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (206) [system] _250130=['3']
   Exit: (206) [system] ['3']=['3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), ['3'])
   Call: (205) [system] _236194=[f, '3']
   Exit: (205) [system] [f, '3']=[f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '3'])
   Call: (204) [system] _222258=[o, f, '3']
   Exit: (204) [system] [o, f, '3']=[o, f, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '3'])
   Call: (203) [system] _208322=[o, o, f, '3']
   Exit: (203) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '3'])
   Call: (202) [system] _194386=[r, o, o, f, '3']
   Exit: (202) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '3'])
   Call: (201) [system] _180450=[p, r, o, o, f, '3']
   Exit: (201) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '3'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _144940)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _291048)
   Call: (202) [system] atom_chars(_291980, ['_', p, r, o, o, f, '3'])
   Exit: (202) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _proof3)
   Call: (201) [system] integer(_proof3)
   Fail: (201) [system] integer(_proof3)
   Call: (201) [system] _144940=_proof3
   Exit: (201) [system] _proof3=_proof3
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _proof3)
^  Exit: (199) [user] read_symbolic(')', (0x55772f068e50), $, _proof3)
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), _proof3)
^  Call: (198) [user] read_list(')', (0x55772f068e50), _301272)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _303130)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _312724)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _315428)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _332362)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _337932)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _339790)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _355800)
   Exit: (200) [system] get_char((0x55772f068e50), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), $, _337932)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _373442)
   Call: (202) [system] peek_char((0x55772f068e50), _374376)
   Exit: (202) [system] peek_char((0x55772f068e50), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_379096, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_380028, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x55772f068e50), p)
   Exit: (202) [system] get_char((0x55772f068e50), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _387378)
   Call: (203) [system] peek_char((0x55772f068e50), _388312)
   Exit: (203) [system] peek_char((0x55772f068e50), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_393032, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_393964, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x55772f068e50), r)
   Exit: (203) [system] get_char((0x55772f068e50), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _401314)
   Call: (204) [system] peek_char((0x55772f068e50), _402248)
   Exit: (204) [system] peek_char((0x55772f068e50), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_406968, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_407900, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x55772f068e50), e)
   Exit: (204) [system] get_char((0x55772f068e50), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _415250)
   Call: (205) [system] peek_char((0x55772f068e50), _416184)
   Exit: (205) [system] peek_char((0x55772f068e50), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Fail: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_420904, v('(', ')', end_of_file), m)
   Fail: (206) [system] arg(_421836, v('(', ')', end_of_file), m)
^  Fail: (205) [user] is_delimiter(m)
   Call: (205) [system] ')'==m
   Fail: (205) [system] ')'==m
   Call: (205) [system] get_char((0x55772f068e50), m)
   Exit: (205) [system] get_char((0x55772f068e50), m)
   Call: (205) [system] m=(\)
   Fail: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _429186)
   Call: (206) [system] peek_char((0x55772f068e50), _430120)
   Exit: (206) [system] peek_char((0x55772f068e50), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_434840, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_435772, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x55772f068e50), i)
   Exit: (206) [system] get_char((0x55772f068e50), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _443122)
   Call: (207) [system] peek_char((0x55772f068e50), _444056)
   Exit: (207) [system] peek_char((0x55772f068e50), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_448776, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_449708, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x55772f068e50), s)
   Exit: (207) [system] get_char((0x55772f068e50), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _457058)
   Call: (208) [system] peek_char((0x55772f068e50), _457992)
   Exit: (208) [system] peek_char((0x55772f068e50), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_462712, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_463644, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x55772f068e50), e)
   Exit: (208) [system] get_char((0x55772f068e50), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _470994)
   Call: (209) [system] peek_char((0x55772f068e50), _471928)
   Exit: (209) [system] peek_char((0x55772f068e50), '3')
^  Call: (209) [user] is_delimiter('3')
   Call: (210) [system] char_type('3', space)
   Fail: (210) [system] char_type('3', space)
   Call: (210) [system] arg(_476648, v('(', ')', end_of_file), '3')
   Fail: (210) [system] arg(_477580, v('(', ')', end_of_file), '3')
^  Fail: (209) [user] is_delimiter('3')
   Call: (209) [system] ')'=='3'
   Fail: (209) [system] ')'=='3'
   Call: (209) [system] get_char((0x55772f068e50), '3')
   Exit: (209) [system] get_char((0x55772f068e50), '3')
   Call: (209) [system] '3'=(\)
   Fail: (209) [system] '3'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _484930)
   Call: (210) [system] peek_char((0x55772f068e50), _485864)
   Exit: (210) [system] peek_char((0x55772f068e50), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_490584, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _484930=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (209) [system] _470994=['3']
   Exit: (209) [system] ['3']=['3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), ['3'])
   Call: (208) [system] _457058=[e, '3']
   Exit: (208) [system] [e, '3']=[e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '3'])
   Call: (207) [system] _443122=[s, e, '3']
   Exit: (207) [system] [s, e, '3']=[s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '3'])
   Call: (206) [system] _429186=[i, s, e, '3']
   Exit: (206) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '3'])
   Call: (205) [system] _415250=[m, i, s, e, '3']
   Exit: (205) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '3'])
   Call: (204) [system] _401314=[e, m, i, s, e, '3']
   Exit: (204) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '3'])
   Call: (203) [system] _387378=[r, e, m, i, s, e, '3']
   Exit: (203) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '3'])
   Call: (202) [system] _373442=[p, r, e, m, i, s, e, '3']
   Exit: (202) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '3'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _337932)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _519372)
   Call: (203) [system] atom_chars(_520304, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (203) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _premise3)
   Call: (202) [system] integer(_premise3)
   Fail: (202) [system] integer(_premise3)
   Call: (202) [system] _337932=_premise3
   Exit: (202) [system] _premise3=_premise3
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), $, _premise3)
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), _premise3)
^  Call: (199) [user] read_list(')', (0x55772f068e50), _529596)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _531454)
   Exit: (201) [system] peek_char((0x55772f068e50), ')')
   Call: (201) [system] ')'=(;)
   Fail: (201) [system] ')'=(;)
   Call: (201) [system] ')'=(/)
   Fail: (201) [system] ')'=(/)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Fail: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Fail: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
   Fail: (202) [system] char_type(')', cntrl)
^  Fail: (201) [user] is_like_space(')')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _547464)
   Exit: (200) [system] peek_char((0x55772f068e50), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x55772f068e50), _551254)
   Exit: (200) [system] get_char((0x55772f068e50), ')')
   Call: (200) [system] _529596=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [])
   Call: (199) [system] _301272=[_premise3]
   Exit: (199) [system] [_premise3]=[_premise3]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [_premise3])
   Call: (198) [system] _108280=[_proof3, _premise3]
   Exit: (198) [system] [_proof3, _premise3]=[_proof3, _premise3]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [_proof3, _premise3])
   Call: (197) [system] _4454=[:, _proof3, _premise3]
   Exit: (197) [system] [:, _proof3, _premise3]=[:, _proof3, _premise3]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [:, _proof3, _premise3])
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), [:, _proof3, _premise3])
^  Call: (195) [user] read_list(')', (0x55772f068e50), _565136)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _566994)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _576588)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _579292)
   Exit: (198) [system] peek_char((0x55772f068e50), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _596226)
   Exit: (196) [system] peek_char((0x55772f068e50), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _601796)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _603654)
   Exit: (198) [system] peek_char((0x55772f068e50), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _619664)
   Exit: (197) [system] get_char((0x55772f068e50), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x55772f068e50), _601796)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _625234)
   Exit: (199) [system] peek_char((0x55772f068e50), s)
   Call: (199) [system] s=(;)
   Fail: (199) [system] s=(;)
   Call: (199) [system] s=(/)
   Fail: (199) [system] s=(/)
^  Call: (199) [user] is_like_space(s)
   Call: (200) [system] char_type(s, 'white')
   Fail: (200) [system] char_type(s, 'white')
   Call: (200) [system] char_type(s, end_of_line)
   Fail: (200) [system] char_type(s, end_of_line)
   Call: (200) [system] char_type(s, space)
   Fail: (200) [system] char_type(s, space)
   Call: (200) [system] char_type(s, cntrl)
   Fail: (200) [system] char_type(s, cntrl)
^  Fail: (199) [user] is_like_space(s)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _641244)
   Exit: (198) [system] peek_char((0x55772f068e50), s)
   Call: (198) [system] s=')'
   Fail: (198) [system] s=')'
   Call: (198) [system] s=end_of_file
   Fail: (198) [system] s=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _646814)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _648672)
   Exit: (200) [system] peek_char((0x55772f068e50), s)
   Call: (200) [system] s=(;)
   Fail: (200) [system] s=(;)
   Call: (200) [system] s=(/)
   Fail: (200) [system] s=(/)
^  Call: (200) [user] is_like_space(s)
   Call: (201) [system] char_type(s, 'white')
   Fail: (201) [system] char_type(s, 'white')
   Call: (201) [system] char_type(s, end_of_line)
   Fail: (201) [system] char_type(s, end_of_line)
   Call: (201) [system] char_type(s, space)
   Fail: (201) [system] char_type(s, space)
   Call: (201) [system] char_type(s, cntrl)
   Fail: (201) [system] char_type(s, cntrl)
^  Fail: (200) [user] is_like_space(s)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _664682)
   Exit: (199) [system] get_char((0x55772f068e50), s)
   Call: (199) [system] s='('
   Fail: (199) [system] s='('
   Call: (199) [system] s='['
   Fail: (199) [system] s='['
   Call: (199) [system] s='{'
   Fail: (199) [system] s='{'
   Call: (199) [system] s='"'
   Fail: (199) [system] s='"'
   Call: (199) [system] s=!
   Fail: (199) [system] s=!
   Call: (199) [system] s='\''
   Fail: (199) [system] s='\''
   Call: (199) [system] s='`'
   Fail: (199) [system] s='`'
   Call: (199) [system] s=end_of_file
   Fail: (199) [system] s=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x55772f068e50), s, _646814)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _682324)
   Call: (201) [system] peek_char((0x55772f068e50), _683258)
   Exit: (201) [system] peek_char((0x55772f068e50), y)
^  Call: (201) [user] is_delimiter(y)
   Call: (202) [system] char_type(y, space)
   Fail: (202) [system] char_type(y, space)
   Call: (202) [system] arg(_687978, v('(', ')', end_of_file), y)
   Fail: (202) [system] arg(_688910, v('(', ')', end_of_file), y)
^  Fail: (201) [user] is_delimiter(y)
   Call: (201) [system] ')'==y
   Fail: (201) [system] ')'==y
   Call: (201) [system] get_char((0x55772f068e50), y)
   Exit: (201) [system] get_char((0x55772f068e50), y)
   Call: (201) [system] y=(\)
   Fail: (201) [system] y=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _696260)
   Call: (202) [system] peek_char((0x55772f068e50), _697194)
   Exit: (202) [system] peek_char((0x55772f068e50), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Fail: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_701914, v('(', ')', end_of_file), n)
   Fail: (203) [system] arg(_702846, v('(', ')', end_of_file), n)
^  Fail: (202) [user] is_delimiter(n)
   Call: (202) [system] ')'==n
   Fail: (202) [system] ')'==n
   Call: (202) [system] get_char((0x55772f068e50), n)
   Exit: (202) [system] get_char((0x55772f068e50), n)
   Call: (202) [system] n=(\)
   Fail: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _710196)
   Call: (203) [system] peek_char((0x55772f068e50), _711130)
   Exit: (203) [system] peek_char((0x55772f068e50), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Fail: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_715850, v('(', ')', end_of_file), t)
   Fail: (204) [system] arg(_716782, v('(', ')', end_of_file), t)
^  Fail: (203) [user] is_delimiter(t)
   Call: (203) [system] ')'==t
   Fail: (203) [system] ')'==t
   Call: (203) [system] get_char((0x55772f068e50), t)
   Exit: (203) [system] get_char((0x55772f068e50), t)
   Call: (203) [system] t=(\)
   Fail: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _724132)
   Call: (204) [system] peek_char((0x55772f068e50), _725066)
   Exit: (204) [system] peek_char((0x55772f068e50), h)
^  Call: (204) [user] is_delimiter(h)
   Call: (205) [system] char_type(h, space)
   Fail: (205) [system] char_type(h, space)
   Call: (205) [system] arg(_729786, v('(', ')', end_of_file), h)
   Fail: (205) [system] arg(_730718, v('(', ')', end_of_file), h)
^  Fail: (204) [user] is_delimiter(h)
   Call: (204) [system] ')'==h
   Fail: (204) [system] ')'==h
   Call: (204) [system] get_char((0x55772f068e50), h)
   Exit: (204) [system] get_char((0x55772f068e50), h)
   Call: (204) [system] h=(\)
   Fail: (204) [system] h=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _738068)
   Call: (205) [system] peek_char((0x55772f068e50), _739002)
   Exit: (205) [system] peek_char((0x55772f068e50), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Fail: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_743722, v('(', ')', end_of_file), e)
   Fail: (206) [system] arg(_744654, v('(', ')', end_of_file), e)
^  Fail: (205) [user] is_delimiter(e)
   Call: (205) [system] ')'==e
   Fail: (205) [system] ')'==e
   Call: (205) [system] get_char((0x55772f068e50), e)
   Exit: (205) [system] get_char((0x55772f068e50), e)
   Call: (205) [system] e=(\)
   Fail: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _752004)
   Call: (206) [system] peek_char((0x55772f068e50), _752938)
   Exit: (206) [system] peek_char((0x55772f068e50), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_757658, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_758590, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x55772f068e50), s)
   Exit: (206) [system] get_char((0x55772f068e50), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _765940)
   Call: (207) [system] peek_char((0x55772f068e50), _766874)
   Exit: (207) [system] peek_char((0x55772f068e50), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_771594, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_772526, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x55772f068e50), i)
   Exit: (207) [system] get_char((0x55772f068e50), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _779876)
   Call: (208) [system] peek_char((0x55772f068e50), _780810)
   Exit: (208) [system] peek_char((0x55772f068e50), z)
^  Call: (208) [user] is_delimiter(z)
   Call: (209) [system] char_type(z, space)
   Fail: (209) [system] char_type(z, space)
   Call: (209) [system] arg(_785530, v('(', ')', end_of_file), z)
   Fail: (209) [system] arg(_786462, v('(', ')', end_of_file), z)
^  Fail: (208) [user] is_delimiter(z)
   Call: (208) [system] ')'==z
   Fail: (208) [system] ')'==z
   Call: (208) [system] get_char((0x55772f068e50), z)
   Exit: (208) [system] get_char((0x55772f068e50), z)
   Call: (208) [system] z=(\)
   Fail: (208) [system] z=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _793812)
   Call: (209) [system] peek_char((0x55772f068e50), _794746)
   Exit: (209) [system] peek_char((0x55772f068e50), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_799466, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_800398, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x55772f068e50), e)
   Exit: (209) [system] get_char((0x55772f068e50), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _807748)
   Call: (210) [system] peek_char((0x55772f068e50), _808682)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _807748=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (209) [system] _793812=[e]
   Exit: (209) [system] [e]=[e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (208) [system] _779876=[z, e]
   Exit: (208) [system] [z, e]=[z, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [z, e])
   Call: (207) [system] _765940=[i, z, e]
   Exit: (207) [system] [i, z, e]=[i, z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [i, z, e])
   Call: (206) [system] _752004=[s, i, z, e]
   Exit: (206) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [s, i, z, e])
   Call: (205) [system] _738068=[e, s, i, z, e]
   Exit: (205) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [e, s, i, z, e])
   Call: (204) [system] _724132=[h, e, s, i, z, e]
   Exit: (204) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [h, e, s, i, z, e])
   Call: (203) [system] _710196=[t, h, e, s, i, z, e]
   Exit: (203) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [t, h, e, s, i, z, e])
   Call: (202) [system] _696260=[n, t, h, e, s, i, z, e]
   Exit: (202) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, h, e, s, i, z, e])
   Call: (201) [system] _682324=[y, n, t, h, e, s, i, z, e]
   Exit: (201) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [y, n, t, h, e, s, i, z, e])
^  Call: (200) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _646814)
^  Call: (201) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _843112)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_844064, _844066), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _843112), _844046, fail)), '$restore_trace'(_844064, _844066))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_844064, _844066))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _844046, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(synthesize)
   Exit: (202) [system] atomic(synthesize)
^  Exit: (201) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (201) [system] integer(synthesize)
   Fail: (201) [system] integer(synthesize)
   Call: (201) [system] _646814=synthesize
   Exit: (201) [system] synthesize=synthesize
^  Exit: (200) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (199) [user] read_symbolic(')', (0x55772f068e50), s, synthesize)
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), synthesize)
^  Call: (198) [user] read_list(')', (0x55772f068e50), _856192)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _858050)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _867644)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _870348)
   Exit: (201) [system] peek_char((0x55772f068e50), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _887282)
   Exit: (199) [system] peek_char((0x55772f068e50), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _892852)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _894710)
   Exit: (201) [system] peek_char((0x55772f068e50), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _910720)
   Exit: (200) [system] get_char((0x55772f068e50), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x55772f068e50), _892852)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _916290)
   Exit: (202) [system] peek_char((0x55772f068e50), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
   Call: (202) [system] (:)=(/)
   Fail: (202) [system] (:)=(/)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _932300)
   Exit: (201) [system] peek_char((0x55772f068e50), :)
   Call: (201) [system] (:)=')'
   Fail: (201) [system] (:)=')'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _937870)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _939728)
   Exit: (203) [system] peek_char((0x55772f068e50), :)
   Call: (203) [system] (:)=(;)
   Fail: (203) [system] (:)=(;)
   Call: (203) [system] (:)=(/)
   Fail: (203) [system] (:)=(/)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Fail: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Fail: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Fail: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
   Fail: (204) [system] char_type(:, cntrl)
^  Fail: (203) [user] is_like_space(:)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _955738)
   Exit: (202) [system] get_char((0x55772f068e50), :)
   Call: (202) [system] (:)='('
   Fail: (202) [system] (:)='('
   Call: (202) [system] (:)='['
   Fail: (202) [system] (:)='['
   Call: (202) [system] (:)='{'
   Fail: (202) [system] (:)='{'
   Call: (202) [system] (:)='"'
   Fail: (202) [system] (:)='"'
   Call: (202) [system] (:)=!
   Fail: (202) [system] (:)=!
   Call: (202) [system] (:)='\''
   Fail: (202) [system] (:)='\''
   Call: (202) [system] (:)='`'
   Fail: (202) [system] (:)='`'
   Call: (202) [system] (:)=end_of_file
   Fail: (202) [system] (:)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), :, _937870)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _973380)
   Call: (204) [system] peek_char((0x55772f068e50), _974314)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _973380=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (203) [user] classify_and_convert_charseq([:], _937870)
^  Call: (204) [user] classify_and_convert_charseq_([:], _983598)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_984550, _984552), once(user:catch(read_from_chars([:], _983598), _984532, fail)), '$restore_trace'(_984550, _984552))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_984550, _984552))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _984532, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(:)
   Exit: (205) [system] atomic(:)
^  Exit: (204) [user] classify_and_convert_charseq_([:], :)
   Call: (204) [system] integer(:)
   Fail: (204) [system] integer(:)
   Call: (204) [system] _937870=(:)
   Exit: (204) [system] (:)=(:)
^  Exit: (203) [user] classify_and_convert_charseq([:], :)
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (201) [user] read_list(')', (0x55772f068e50), _996678)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _998536)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _1008130)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1010834)
   Exit: (204) [system] peek_char((0x55772f068e50), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1027768)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x55772f068e50), _1033338)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1035196)
   Exit: (204) [system] peek_char((0x55772f068e50), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] get_char((0x55772f068e50), _1051206)
   Exit: (203) [system] get_char((0x55772f068e50), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x55772f068e50), $, _1033338)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1068848)
   Call: (205) [system] peek_char((0x55772f068e50), _1069782)
   Exit: (205) [system] peek_char((0x55772f068e50), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Fail: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_1074502, v('(', ')', end_of_file), p)
   Fail: (206) [system] arg(_1075434, v('(', ')', end_of_file), p)
^  Fail: (205) [user] is_delimiter(p)
   Call: (205) [system] ')'==p
   Fail: (205) [system] ')'==p
   Call: (205) [system] get_char((0x55772f068e50), p)
   Exit: (205) [system] get_char((0x55772f068e50), p)
   Call: (205) [system] p=(\)
   Fail: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1082784)
   Call: (206) [system] peek_char((0x55772f068e50), _1083718)
   Exit: (206) [system] peek_char((0x55772f068e50), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_1088438, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_1089370, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x55772f068e50), r)
   Exit: (206) [system] get_char((0x55772f068e50), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1096720)
   Call: (207) [system] peek_char((0x55772f068e50), _1097654)
   Exit: (207) [system] peek_char((0x55772f068e50), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1102374, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1103306, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x55772f068e50), o)
   Exit: (207) [system] get_char((0x55772f068e50), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1110656)
   Call: (208) [system] peek_char((0x55772f068e50), _1111590)
   Exit: (208) [system] peek_char((0x55772f068e50), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Fail: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_1116310, v('(', ')', end_of_file), o)
   Fail: (209) [system] arg(_1117242, v('(', ')', end_of_file), o)
^  Fail: (208) [user] is_delimiter(o)
   Call: (208) [system] ')'==o
   Fail: (208) [system] ')'==o
   Call: (208) [system] get_char((0x55772f068e50), o)
   Exit: (208) [system] get_char((0x55772f068e50), o)
   Call: (208) [system] o=(\)
   Fail: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1124592)
   Call: (209) [system] peek_char((0x55772f068e50), _1125526)
   Exit: (209) [system] peek_char((0x55772f068e50), f)
^  Call: (209) [user] is_delimiter(f)
   Call: (210) [system] char_type(f, space)
   Fail: (210) [system] char_type(f, space)
   Call: (210) [system] arg(_1130246, v('(', ')', end_of_file), f)
   Fail: (210) [system] arg(_1131178, v('(', ')', end_of_file), f)
^  Fail: (209) [user] is_delimiter(f)
   Call: (209) [system] ')'==f
   Fail: (209) [system] ')'==f
   Call: (209) [system] get_char((0x55772f068e50), f)
   Exit: (209) [system] get_char((0x55772f068e50), f)
   Call: (209) [system] f=(\)
   Fail: (209) [system] f=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1138528)
   Call: (210) [system] peek_char((0x55772f068e50), _1139462)
   Exit: (210) [system] peek_char((0x55772f068e50), '3')
^  Call: (210) [user] is_delimiter('3')
   Call: (211) [system] char_type('3', space)
   Fail: (211) [system] char_type('3', space)
   Call: (211) [system] arg(_1144182, v('(', ')', end_of_file), '3')
   Fail: (211) [system] arg(_1145114, v('(', ')', end_of_file), '3')
^  Fail: (210) [user] is_delimiter('3')
   Call: (210) [system] ')'=='3'
   Fail: (210) [system] ')'=='3'
   Call: (210) [system] get_char((0x55772f068e50), '3')
   Exit: (210) [system] get_char((0x55772f068e50), '3')
   Call: (210) [system] '3'=(\)
   Fail: (210) [system] '3'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1152464)
   Call: (211) [system] peek_char((0x55772f068e50), _1153398)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1152464=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (210) [system] _1138528=['3']
   Exit: (210) [system] ['3']=['3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), ['3'])
   Call: (209) [system] _1124592=[f, '3']
   Exit: (209) [system] [f, '3']=[f, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '3'])
   Call: (208) [system] _1110656=[o, f, '3']
   Exit: (208) [system] [o, f, '3']=[o, f, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '3'])
   Call: (207) [system] _1096720=[o, o, f, '3']
   Exit: (207) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '3'])
   Call: (206) [system] _1082784=[r, o, o, f, '3']
   Exit: (206) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '3'])
   Call: (205) [system] _1068848=[p, r, o, o, f, '3']
   Exit: (205) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '3'])
^  Call: (204) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _1033338)
^  Call: (205) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _1179446)
   Call: (206) [system] atom_chars(_1180378, ['_', p, r, o, o, f, '3'])
   Exit: (206) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (205) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _proof3)
   Call: (205) [system] integer(_proof3)
   Fail: (205) [system] integer(_proof3)
   Call: (205) [system] _1033338=_proof3
   Exit: (205) [system] _proof3=_proof3
^  Exit: (204) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _proof3)
^  Exit: (203) [user] read_symbolic(')', (0x55772f068e50), $, _proof3)
^  Exit: (202) [user] cont_sexpr(')', (0x55772f068e50), _proof3)
^  Call: (202) [user] read_list(')', (0x55772f068e50), _1189670)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1191528)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x55772f068e50), _1201122)
   Exit: (204) [system] get_char((0x55772f068e50), ' ')
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1203826)
   Exit: (205) [system] peek_char((0x55772f068e50), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1220760)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=')'
   Fail: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x55772f068e50), _1226330)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1228188)
   Exit: (205) [system] peek_char((0x55772f068e50), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] get_char((0x55772f068e50), _1244198)
   Exit: (204) [system] get_char((0x55772f068e50), $)
   Call: (204) [system] ($)='('
   Fail: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Fail: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Fail: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Fail: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Fail: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Fail: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Fail: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x55772f068e50), $, _1226330)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1261840)
   Call: (206) [system] peek_char((0x55772f068e50), _1262774)
   Exit: (206) [system] peek_char((0x55772f068e50), p)
^  Call: (206) [user] is_delimiter(p)
   Call: (207) [system] char_type(p, space)
   Fail: (207) [system] char_type(p, space)
   Call: (207) [system] arg(_1267494, v('(', ')', end_of_file), p)
   Fail: (207) [system] arg(_1268426, v('(', ')', end_of_file), p)
^  Fail: (206) [user] is_delimiter(p)
   Call: (206) [system] ')'==p
   Fail: (206) [system] ')'==p
   Call: (206) [system] get_char((0x55772f068e50), p)
   Exit: (206) [system] get_char((0x55772f068e50), p)
   Call: (206) [system] p=(\)
   Fail: (206) [system] p=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1275776)
   Call: (207) [system] peek_char((0x55772f068e50), _1276710)
   Exit: (207) [system] peek_char((0x55772f068e50), r)
^  Call: (207) [user] is_delimiter(r)
   Call: (208) [system] char_type(r, space)
   Fail: (208) [system] char_type(r, space)
   Call: (208) [system] arg(_1281430, v('(', ')', end_of_file), r)
   Fail: (208) [system] arg(_1282362, v('(', ')', end_of_file), r)
^  Fail: (207) [user] is_delimiter(r)
   Call: (207) [system] ')'==r
   Fail: (207) [system] ')'==r
   Call: (207) [system] get_char((0x55772f068e50), r)
   Exit: (207) [system] get_char((0x55772f068e50), r)
   Call: (207) [system] r=(\)
   Fail: (207) [system] r=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1289712)
   Call: (208) [system] peek_char((0x55772f068e50), _1290646)
   Exit: (208) [system] peek_char((0x55772f068e50), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_1295366, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_1296298, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x55772f068e50), e)
   Exit: (208) [system] get_char((0x55772f068e50), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1303648)
   Call: (209) [system] peek_char((0x55772f068e50), _1304582)
   Exit: (209) [system] peek_char((0x55772f068e50), m)
^  Call: (209) [user] is_delimiter(m)
   Call: (210) [system] char_type(m, space)
   Fail: (210) [system] char_type(m, space)
   Call: (210) [system] arg(_1309302, v('(', ')', end_of_file), m)
   Fail: (210) [system] arg(_1310234, v('(', ')', end_of_file), m)
^  Fail: (209) [user] is_delimiter(m)
   Call: (209) [system] ')'==m
   Fail: (209) [system] ')'==m
   Call: (209) [system] get_char((0x55772f068e50), m)
   Exit: (209) [system] get_char((0x55772f068e50), m)
   Call: (209) [system] m=(\)
   Fail: (209) [system] m=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1317584)
   Call: (210) [system] peek_char((0x55772f068e50), _1318518)
   Exit: (210) [system] peek_char((0x55772f068e50), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_1323238, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_1324170, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x55772f068e50), i)
   Exit: (210) [system] get_char((0x55772f068e50), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1331520)
   Call: (211) [system] peek_char((0x55772f068e50), _1332454)
   Exit: (211) [system] peek_char((0x55772f068e50), s)
^  Call: (211) [user] is_delimiter(s)
   Call: (212) [system] char_type(s, space)
   Fail: (212) [system] char_type(s, space)
   Call: (212) [system] arg(_1337174, v('(', ')', end_of_file), s)
   Fail: (212) [system] arg(_1338106, v('(', ')', end_of_file), s)
^  Fail: (211) [user] is_delimiter(s)
   Call: (211) [system] ')'==s
   Fail: (211) [system] ')'==s
   Call: (211) [system] get_char((0x55772f068e50), s)
   Exit: (211) [system] get_char((0x55772f068e50), s)
   Call: (211) [system] s=(\)
   Fail: (211) [system] s=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1345456)
   Call: (212) [system] peek_char((0x55772f068e50), _1346390)
   Exit: (212) [system] peek_char((0x55772f068e50), e)
^  Call: (212) [user] is_delimiter(e)
   Call: (213) [system] char_type(e, space)
   Fail: (213) [system] char_type(e, space)
   Call: (213) [system] arg(_1351110, v('(', ')', end_of_file), e)
   Fail: (213) [system] arg(_1352042, v('(', ')', end_of_file), e)
^  Fail: (212) [user] is_delimiter(e)
   Call: (212) [system] ')'==e
   Fail: (212) [system] ')'==e
   Call: (212) [system] get_char((0x55772f068e50), e)
   Exit: (212) [system] get_char((0x55772f068e50), e)
   Call: (212) [system] e=(\)
   Fail: (212) [system] e=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1359392)
   Call: (213) [system] peek_char((0x55772f068e50), _1360326)
   Exit: (213) [system] peek_char((0x55772f068e50), '3')
^  Call: (213) [user] is_delimiter('3')
   Call: (214) [system] char_type('3', space)
   Fail: (214) [system] char_type('3', space)
   Call: (214) [system] arg(_1365046, v('(', ')', end_of_file), '3')
   Fail: (214) [system] arg(_1365978, v('(', ')', end_of_file), '3')
^  Fail: (213) [user] is_delimiter('3')
   Call: (213) [system] ')'=='3'
   Fail: (213) [system] ')'=='3'
   Call: (213) [system] get_char((0x55772f068e50), '3')
   Exit: (213) [system] get_char((0x55772f068e50), '3')
   Call: (213) [system] '3'=(\)
   Fail: (213) [system] '3'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1373328)
   Call: (214) [system] peek_char((0x55772f068e50), _1374262)
   Exit: (214) [system] peek_char((0x55772f068e50), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_1378982, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _1373328=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (213) [system] _1359392=['3']
   Exit: (213) [system] ['3']=['3']
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), ['3'])
   Call: (212) [system] _1345456=[e, '3']
   Exit: (212) [system] [e, '3']=[e, '3']
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '3'])
   Call: (211) [system] _1331520=[s, e, '3']
   Exit: (211) [system] [s, e, '3']=[s, e, '3']
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '3'])
   Call: (210) [system] _1317584=[i, s, e, '3']
   Exit: (210) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '3'])
   Call: (209) [system] _1303648=[m, i, s, e, '3']
   Exit: (209) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '3'])
   Call: (208) [system] _1289712=[e, m, i, s, e, '3']
   Exit: (208) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '3'])
   Call: (207) [system] _1275776=[r, e, m, i, s, e, '3']
   Exit: (207) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '3'])
   Call: (206) [system] _1261840=[p, r, e, m, i, s, e, '3']
   Exit: (206) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '3'])
^  Call: (205) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _1226330)
^  Call: (206) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _1407770)
   Call: (207) [system] atom_chars(_1408702, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (207) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (206) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _premise3)
   Call: (206) [system] integer(_premise3)
   Fail: (206) [system] integer(_premise3)
   Call: (206) [system] _1226330=_premise3
   Exit: (206) [system] _premise3=_premise3
^  Exit: (205) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (204) [user] read_symbolic(')', (0x55772f068e50), $, _premise3)
^  Exit: (203) [user] cont_sexpr(')', (0x55772f068e50), _premise3)
^  Call: (203) [user] read_list(')', (0x55772f068e50), _1417994)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1419852)
   Exit: (205) [system] peek_char((0x55772f068e50), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1435862)
   Exit: (204) [system] peek_char((0x55772f068e50), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x55772f068e50), _1439652)
   Exit: (204) [system] get_char((0x55772f068e50), ')')
   Call: (204) [system] _1417994=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x55772f068e50), [])
   Call: (203) [system] _1189670=[_premise3]
   Exit: (203) [system] [_premise3]=[_premise3]
^  Exit: (202) [user] read_list(')', (0x55772f068e50), [_premise3])
   Call: (202) [system] _996678=[_proof3, _premise3]
   Exit: (202) [system] [_proof3, _premise3]=[_proof3, _premise3]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [_proof3, _premise3])
   Call: (201) [system] _892852=[:, _proof3, _premise3]
   Exit: (201) [system] [:, _proof3, _premise3]=[:, _proof3, _premise3]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [:, _proof3, _premise3])
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), [:, _proof3, _premise3])
^  Call: (199) [user] read_list(')', (0x55772f068e50), _1453534)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1455392)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _1464986)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1467690)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1484624)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _1490194)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1492052)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _1508062)
   Exit: (201) [system] get_char((0x55772f068e50), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), $, _1490194)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1525704)
   Call: (203) [system] peek_char((0x55772f068e50), _1526638)
   Exit: (203) [system] peek_char((0x55772f068e50), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Fail: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_1531358, v('(', ')', end_of_file), k)
   Fail: (204) [system] arg(_1532290, v('(', ')', end_of_file), k)
^  Fail: (203) [user] is_delimiter(k)
   Call: (203) [system] ')'==k
   Fail: (203) [system] ')'==k
   Call: (203) [system] get_char((0x55772f068e50), k)
   Exit: (203) [system] get_char((0x55772f068e50), k)
   Call: (203) [system] k=(\)
   Fail: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1539640)
   Call: (204) [system] peek_char((0x55772f068e50), _1540574)
   Exit: (204) [system] peek_char((0x55772f068e50), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Fail: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_1545294, v('(', ')', end_of_file), b)
   Fail: (205) [system] arg(_1546226, v('(', ')', end_of_file), b)
^  Fail: (204) [user] is_delimiter(b)
   Call: (204) [system] ')'==b
   Fail: (204) [system] ')'==b
   Call: (204) [system] get_char((0x55772f068e50), b)
   Exit: (204) [system] get_char((0x55772f068e50), b)
   Call: (204) [system] b=(\)
   Fail: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1553576)
   Call: (205) [system] peek_char((0x55772f068e50), _1554510)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1553576=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (204) [system] _1539640=[b]
   Exit: (204) [system] [b]=[b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (203) [system] _1525704=[k, b]
   Exit: (203) [system] [k, b]=[k, b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [k, b])
^  Call: (202) [user] classify_and_convert_charseq([$, k, b], _1490194)
^  Call: (203) [user] classify_and_convert_charseq_([$, k, b], _1569382)
   Call: (204) [system] atom_chars(_1570314, ['_', k, b])
   Exit: (204) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (203) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (203) [system] integer(_kb)
   Fail: (203) [system] integer(_kb)
   Call: (203) [system] _1490194=_kb
   Exit: (203) [system] _kb=_kb
^  Exit: (202) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), $, _kb)
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), _kb)
^  Call: (200) [user] read_list(')', (0x55772f068e50), _1579606)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1581464)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _1591058)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1593762)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1610696)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _1616266)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1618124)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _1634134)
   Exit: (202) [system] get_char((0x55772f068e50), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), $, _1616266)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1651776)
   Call: (204) [system] peek_char((0x55772f068e50), _1652710)
   Exit: (204) [system] peek_char((0x55772f068e50), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1657430, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1658362, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x55772f068e50), r)
   Exit: (204) [system] get_char((0x55772f068e50), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1665712)
   Call: (205) [system] peek_char((0x55772f068e50), _1666646)
   Exit: (205) [system] peek_char((0x55772f068e50), b)
^  Call: (205) [user] is_delimiter(b)
   Call: (206) [system] char_type(b, space)
   Fail: (206) [system] char_type(b, space)
   Call: (206) [system] arg(_1671366, v('(', ')', end_of_file), b)
   Fail: (206) [system] arg(_1672298, v('(', ')', end_of_file), b)
^  Fail: (205) [user] is_delimiter(b)
   Call: (205) [system] ')'==b
   Fail: (205) [system] ')'==b
   Call: (205) [system] get_char((0x55772f068e50), b)
   Exit: (205) [system] get_char((0x55772f068e50), b)
   Call: (205) [system] b=(\)
   Fail: (205) [system] b=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1679648)
   Call: (206) [system] peek_char((0x55772f068e50), _1680582)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1679648=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (205) [system] _1665712=[b]
   Exit: (205) [system] [b]=[b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (204) [system] _1651776=[r, b]
   Exit: (204) [system] [r, b]=[r, b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [r, b])
^  Call: (203) [user] classify_and_convert_charseq([$, r, b], _1616266)
^  Call: (204) [user] classify_and_convert_charseq_([$, r, b], _1695454)
   Call: (205) [system] atom_chars(_1696386, ['_', r, b])
   Exit: (205) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (204) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (204) [system] integer(_rb)
   Fail: (204) [system] integer(_rb)
   Call: (204) [system] _1616266=_rb
   Exit: (204) [system] _rb=_rb
^  Exit: (203) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), $, _rb)
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), _rb)
^  Call: (201) [user] read_list(')', (0x55772f068e50), _1705678)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1707536)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _1717130)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1719834)
   Exit: (204) [system] peek_char((0x55772f068e50), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1736768)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x55772f068e50), _1742338)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1744196)
   Exit: (204) [system] peek_char((0x55772f068e50), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] get_char((0x55772f068e50), _1760206)
   Exit: (203) [system] get_char((0x55772f068e50), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x55772f068e50), $, _1742338)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1777848)
   Call: (205) [system] peek_char((0x55772f068e50), _1778782)
   Exit: (205) [system] peek_char((0x55772f068e50), k)
^  Call: (205) [user] is_delimiter(k)
   Call: (206) [system] char_type(k, space)
   Fail: (206) [system] char_type(k, space)
   Call: (206) [system] arg(_1783502, v('(', ')', end_of_file), k)
   Fail: (206) [system] arg(_1784434, v('(', ')', end_of_file), k)
^  Fail: (205) [user] is_delimiter(k)
   Call: (205) [system] ')'==k
   Fail: (205) [system] ')'==k
   Call: (205) [system] get_char((0x55772f068e50), k)
   Exit: (205) [system] get_char((0x55772f068e50), k)
   Call: (205) [system] k=(\)
   Fail: (205) [system] k=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1791784)
   Call: (206) [system] peek_char((0x55772f068e50), _1792718)
   Exit: (206) [system] peek_char((0x55772f068e50), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_1797438, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _1791784=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (205) [system] _1777848=[k]
   Exit: (205) [system] [k]=[k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
^  Call: (204) [user] classify_and_convert_charseq([$, k], _1742338)
^  Call: (205) [user] classify_and_convert_charseq_([$, k], _1806668)
   Call: (206) [system] atom_chars(_1807600, ['_', k])
   Exit: (206) [system] atom_chars('_k', ['_', k])
^  Exit: (205) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (205) [system] integer(_k)
   Fail: (205) [system] integer(_k)
   Call: (205) [system] _1742338=_k
   Exit: (205) [system] _k=_k
^  Exit: (204) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (203) [user] read_symbolic(')', (0x55772f068e50), $, _k)
^  Exit: (202) [user] cont_sexpr(')', (0x55772f068e50), _k)
^  Call: (202) [user] read_list(')', (0x55772f068e50), _1816892)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1818750)
   Exit: (204) [system] peek_char((0x55772f068e50), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1834760)
   Exit: (203) [system] peek_char((0x55772f068e50), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x55772f068e50), _1838550)
   Exit: (203) [system] get_char((0x55772f068e50), ')')
   Call: (203) [system] _1816892=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x55772f068e50), [])
   Call: (202) [system] _1705678=[_k]
   Exit: (202) [system] [_k]=[_k]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [_k])
   Call: (201) [system] _1579606=[_rb, _k]
   Exit: (201) [system] [_rb, _k]=[_rb, _k]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [_rb, _k])
   Call: (200) [system] _1453534=[_kb, _rb, _k]
   Exit: (200) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [_kb, _rb, _k])
   Call: (199) [system] _856192=[[:, _proof3, _premise3], _kb, _rb, _k]
   Exit: (199) [system] [[:, _proof3, _premise3], _kb, _rb, _k]=[[:, _proof3, _premise3], _kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [[:, _proof3, _premise3], _kb, _rb, _k])
   Call: (198) [system] _601796=[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]
   Exit: (198) [system] [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]=[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), [synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Call: (196) [user] read_list(')', (0x55772f068e50), _1858020)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1859878)
   Exit: (198) [system] peek_char((0x55772f068e50), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1875888)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x55772f068e50), _1879678)
   Exit: (197) [system] get_char((0x55772f068e50), ')')
   Call: (197) [system] _1858020=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [])
   Call: (196) [system] _565136=[[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
   Exit: (196) [system] [[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]=[[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Call: (195) [system] _3872=[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
   Exit: (195) [system] [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]=[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Call: (193) [user] read_list(')', (0x55772f068e50), _1890766)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1892624)
   Exit: (195) [system] peek_char((0x55772f068e50), '\n')
   Call: (195) [system] '\n'=(;)
   Fail: (195) [system] '\n'=(;)
   Call: (195) [system] '\n'=(/)
   Fail: (195) [system] '\n'=(/)
^  Call: (195) [user] is_like_space('\n')
   Call: (196) [system] char_type('\n', 'white')
   Fail: (196) [system] char_type('\n', 'white')
   Call: (196) [system] char_type('\n', end_of_line)
   Exit: (196) [system] char_type('\n', end_of_line)
^  Exit: (195) [user] is_like_space('\n')
   Call: (195) [system] get_char((0x55772f068e50), _1904074)
   Exit: (195) [system] get_char((0x55772f068e50), '\n')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1906778)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _1916372)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1919076)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _1928670)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1931374)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _1940968)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1943672)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _1953266)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1955970)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _1965564)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1968268)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _1977862)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1980566)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _1990160)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1992864)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _2002458)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _2005162)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x55772f068e50), _2014756)
   Exit: (204) [system] get_char((0x55772f068e50), ' ')
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _2017460)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x55772f068e50), _2027054)
   Exit: (205) [system] get_char((0x55772f068e50), ' ')
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _2029758)
   Exit: (206) [system] peek_char((0x55772f068e50), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _2055932)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _2061502)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _2063360)
   Exit: (196) [system] peek_char((0x55772f068e50), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _2079370)
   Exit: (195) [system] get_char((0x55772f068e50), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x55772f068e50), _2061502)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _2084940)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _8124)
   Exit: (196) [system] peek_char((0x55772f068e50), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _13694)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _15552)
   Exit: (198) [system] peek_char((0x55772f068e50), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _31562)
   Exit: (197) [system] get_char((0x55772f068e50), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x55772f068e50), _13694)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _37132)
   Exit: (199) [system] peek_char((0x55772f068e50), :)
   Call: (199) [system] (:)=(;)
   Fail: (199) [system] (:)=(;)
   Call: (199) [system] (:)=(/)
   Fail: (199) [system] (:)=(/)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Fail: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Fail: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
   Fail: (200) [system] char_type(:, cntrl)
^  Fail: (199) [user] is_like_space(:)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _53142)
   Exit: (198) [system] peek_char((0x55772f068e50), :)
   Call: (198) [system] (:)=')'
   Fail: (198) [system] (:)=')'
   Call: (198) [system] (:)=end_of_file
   Fail: (198) [system] (:)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _58712)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _60570)
   Exit: (200) [system] peek_char((0x55772f068e50), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
   Call: (200) [system] (:)=(/)
   Fail: (200) [system] (:)=(/)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _76580)
   Exit: (199) [system] get_char((0x55772f068e50), :)
   Call: (199) [system] (:)='('
   Fail: (199) [system] (:)='('
   Call: (199) [system] (:)='['
   Fail: (199) [system] (:)='['
   Call: (199) [system] (:)='{'
   Fail: (199) [system] (:)='{'
   Call: (199) [system] (:)='"'
   Fail: (199) [system] (:)='"'
   Call: (199) [system] (:)=!
   Fail: (199) [system] (:)=!
   Call: (199) [system] (:)='\''
   Fail: (199) [system] (:)='\''
   Call: (199) [system] (:)='`'
   Fail: (199) [system] (:)='`'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x55772f068e50), :, _58712)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _94222)
   Call: (201) [system] peek_char((0x55772f068e50), _95156)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _94222=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (200) [user] classify_and_convert_charseq([:], _58712)
^  Call: (201) [user] classify_and_convert_charseq_([:], _104440)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_105392, _105394), once(user:catch(read_from_chars([:], _104440), _105374, fail)), '$restore_trace'(_105392, _105394))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_105392, _105394))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _105374, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(:)
   Exit: (202) [system] atomic(:)
^  Exit: (201) [user] classify_and_convert_charseq_([:], :)
   Call: (201) [system] integer(:)
   Fail: (201) [system] integer(:)
   Call: (201) [system] _58712=(:)
   Exit: (201) [system] (:)=(:)
^  Exit: (200) [user] classify_and_convert_charseq([:], :)
^  Exit: (199) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (198) [user] read_list(')', (0x55772f068e50), _117520)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _119378)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _128972)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _131676)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _148610)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _154180)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _156038)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _172048)
   Exit: (200) [system] get_char((0x55772f068e50), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), $, _154180)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _189690)
   Call: (202) [system] peek_char((0x55772f068e50), _190624)
   Exit: (202) [system] peek_char((0x55772f068e50), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_195344, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_196276, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x55772f068e50), p)
   Exit: (202) [system] get_char((0x55772f068e50), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _203626)
   Call: (203) [system] peek_char((0x55772f068e50), _204560)
   Exit: (203) [system] peek_char((0x55772f068e50), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_209280, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_210212, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x55772f068e50), r)
   Exit: (203) [system] get_char((0x55772f068e50), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _217562)
   Call: (204) [system] peek_char((0x55772f068e50), _218496)
   Exit: (204) [system] peek_char((0x55772f068e50), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_223216, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_224148, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x55772f068e50), o)
   Exit: (204) [system] get_char((0x55772f068e50), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _231498)
   Call: (205) [system] peek_char((0x55772f068e50), _232432)
   Exit: (205) [system] peek_char((0x55772f068e50), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_237152, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_238084, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x55772f068e50), o)
   Exit: (205) [system] get_char((0x55772f068e50), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _245434)
   Call: (206) [system] peek_char((0x55772f068e50), _246368)
   Exit: (206) [system] peek_char((0x55772f068e50), f)
^  Call: (206) [user] is_delimiter(f)
   Call: (207) [system] char_type(f, space)
   Fail: (207) [system] char_type(f, space)
   Call: (207) [system] arg(_251088, v('(', ')', end_of_file), f)
   Fail: (207) [system] arg(_252020, v('(', ')', end_of_file), f)
^  Fail: (206) [user] is_delimiter(f)
   Call: (206) [system] ')'==f
   Fail: (206) [system] ')'==f
   Call: (206) [system] get_char((0x55772f068e50), f)
   Exit: (206) [system] get_char((0x55772f068e50), f)
   Call: (206) [system] f=(\)
   Fail: (206) [system] f=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _259370)
   Call: (207) [system] peek_char((0x55772f068e50), _260304)
   Exit: (207) [system] peek_char((0x55772f068e50), '4')
^  Call: (207) [user] is_delimiter('4')
   Call: (208) [system] char_type('4', space)
   Fail: (208) [system] char_type('4', space)
   Call: (208) [system] arg(_265024, v('(', ')', end_of_file), '4')
   Fail: (208) [system] arg(_265956, v('(', ')', end_of_file), '4')
^  Fail: (207) [user] is_delimiter('4')
   Call: (207) [system] ')'=='4'
   Fail: (207) [system] ')'=='4'
   Call: (207) [system] get_char((0x55772f068e50), '4')
   Exit: (207) [system] get_char((0x55772f068e50), '4')
   Call: (207) [system] '4'=(\)
   Fail: (207) [system] '4'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _273306)
   Call: (208) [system] peek_char((0x55772f068e50), _274240)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _273306=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (207) [system] _259370=['4']
   Exit: (207) [system] ['4']=['4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), ['4'])
   Call: (206) [system] _245434=[f, '4']
   Exit: (206) [system] [f, '4']=[f, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '4'])
   Call: (205) [system] _231498=[o, f, '4']
   Exit: (205) [system] [o, f, '4']=[o, f, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '4'])
   Call: (204) [system] _217562=[o, o, f, '4']
   Exit: (204) [system] [o, o, f, '4']=[o, o, f, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '4'])
   Call: (203) [system] _203626=[r, o, o, f, '4']
   Exit: (203) [system] [r, o, o, f, '4']=[r, o, o, f, '4']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '4'])
   Call: (202) [system] _189690=[p, r, o, o, f, '4']
   Exit: (202) [system] [p, r, o, o, f, '4']=[p, r, o, o, f, '4']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '4'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, o, o, f, '4'], _154180)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '4'], _300288)
   Call: (203) [system] atom_chars(_301220, ['_', p, r, o, o, f, '4'])
   Exit: (203) [system] atom_chars('_proof4', ['_', p, r, o, o, f, '4'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '4'], _proof4)
   Call: (202) [system] integer(_proof4)
   Fail: (202) [system] integer(_proof4)
   Call: (202) [system] _154180=_proof4
   Exit: (202) [system] _proof4=_proof4
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, o, o, f, '4'], _proof4)
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), $, _proof4)
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), _proof4)
^  Call: (199) [user] read_list(')', (0x55772f068e50), _310512)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _312370)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _321964)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _324668)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _341602)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _347172)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _349030)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _365040)
   Exit: (201) [system] get_char((0x55772f068e50), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), $, _347172)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _382682)
   Call: (203) [system] peek_char((0x55772f068e50), _383616)
   Exit: (203) [system] peek_char((0x55772f068e50), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_388336, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_389268, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x55772f068e50), p)
   Exit: (203) [system] get_char((0x55772f068e50), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _396618)
   Call: (204) [system] peek_char((0x55772f068e50), _397552)
   Exit: (204) [system] peek_char((0x55772f068e50), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_402272, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_403204, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x55772f068e50), r)
   Exit: (204) [system] get_char((0x55772f068e50), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _410554)
   Call: (205) [system] peek_char((0x55772f068e50), _411488)
   Exit: (205) [system] peek_char((0x55772f068e50), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Fail: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_416208, v('(', ')', end_of_file), e)
   Fail: (206) [system] arg(_417140, v('(', ')', end_of_file), e)
^  Fail: (205) [user] is_delimiter(e)
   Call: (205) [system] ')'==e
   Fail: (205) [system] ')'==e
   Call: (205) [system] get_char((0x55772f068e50), e)
   Exit: (205) [system] get_char((0x55772f068e50), e)
   Call: (205) [system] e=(\)
   Fail: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _424490)
   Call: (206) [system] peek_char((0x55772f068e50), _425424)
   Exit: (206) [system] peek_char((0x55772f068e50), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Fail: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_430144, v('(', ')', end_of_file), m)
   Fail: (207) [system] arg(_431076, v('(', ')', end_of_file), m)
^  Fail: (206) [user] is_delimiter(m)
   Call: (206) [system] ')'==m
   Fail: (206) [system] ')'==m
   Call: (206) [system] get_char((0x55772f068e50), m)
   Exit: (206) [system] get_char((0x55772f068e50), m)
   Call: (206) [system] m=(\)
   Fail: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _438426)
   Call: (207) [system] peek_char((0x55772f068e50), _439360)
   Exit: (207) [system] peek_char((0x55772f068e50), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_444080, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_445012, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x55772f068e50), i)
   Exit: (207) [system] get_char((0x55772f068e50), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _452362)
   Call: (208) [system] peek_char((0x55772f068e50), _453296)
   Exit: (208) [system] peek_char((0x55772f068e50), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Fail: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_458016, v('(', ')', end_of_file), s)
   Fail: (209) [system] arg(_458948, v('(', ')', end_of_file), s)
^  Fail: (208) [user] is_delimiter(s)
   Call: (208) [system] ')'==s
   Fail: (208) [system] ')'==s
   Call: (208) [system] get_char((0x55772f068e50), s)
   Exit: (208) [system] get_char((0x55772f068e50), s)
   Call: (208) [system] s=(\)
   Fail: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _466298)
   Call: (209) [system] peek_char((0x55772f068e50), _467232)
   Exit: (209) [system] peek_char((0x55772f068e50), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_471952, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_472884, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x55772f068e50), e)
   Exit: (209) [system] get_char((0x55772f068e50), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _480234)
   Call: (210) [system] peek_char((0x55772f068e50), _481168)
   Exit: (210) [system] peek_char((0x55772f068e50), '4')
^  Call: (210) [user] is_delimiter('4')
   Call: (211) [system] char_type('4', space)
   Fail: (211) [system] char_type('4', space)
   Call: (211) [system] arg(_485888, v('(', ')', end_of_file), '4')
   Fail: (211) [system] arg(_486820, v('(', ')', end_of_file), '4')
^  Fail: (210) [user] is_delimiter('4')
   Call: (210) [system] ')'=='4'
   Fail: (210) [system] ')'=='4'
   Call: (210) [system] get_char((0x55772f068e50), '4')
   Exit: (210) [system] get_char((0x55772f068e50), '4')
   Call: (210) [system] '4'=(\)
   Fail: (210) [system] '4'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _494170)
   Call: (211) [system] peek_char((0x55772f068e50), _495104)
   Exit: (211) [system] peek_char((0x55772f068e50), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_499824, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _494170=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (210) [system] _480234=['4']
   Exit: (210) [system] ['4']=['4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), ['4'])
   Call: (209) [system] _466298=[e, '4']
   Exit: (209) [system] [e, '4']=[e, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '4'])
   Call: (208) [system] _452362=[s, e, '4']
   Exit: (208) [system] [s, e, '4']=[s, e, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '4'])
   Call: (207) [system] _438426=[i, s, e, '4']
   Exit: (207) [system] [i, s, e, '4']=[i, s, e, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '4'])
   Call: (206) [system] _424490=[m, i, s, e, '4']
   Exit: (206) [system] [m, i, s, e, '4']=[m, i, s, e, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '4'])
   Call: (205) [system] _410554=[e, m, i, s, e, '4']
   Exit: (205) [system] [e, m, i, s, e, '4']=[e, m, i, s, e, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '4'])
   Call: (204) [system] _396618=[r, e, m, i, s, e, '4']
   Exit: (204) [system] [r, e, m, i, s, e, '4']=[r, e, m, i, s, e, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '4'])
   Call: (203) [system] _382682=[p, r, e, m, i, s, e, '4']
   Exit: (203) [system] [p, r, e, m, i, s, e, '4']=[p, r, e, m, i, s, e, '4']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '4'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '4'], _347172)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '4'], _528612)
   Call: (204) [system] atom_chars(_529544, ['_', p, r, e, m, i, s, e, '4'])
   Exit: (204) [system] atom_chars('_premise4', ['_', p, r, e, m, i, s, e, '4'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '4'], _premise4)
   Call: (203) [system] integer(_premise4)
   Fail: (203) [system] integer(_premise4)
   Call: (203) [system] _347172=_premise4
   Exit: (203) [system] _premise4=_premise4
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '4'], _premise4)
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), $, _premise4)
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), _premise4)
^  Call: (200) [user] read_list(')', (0x55772f068e50), _538836)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _540694)
   Exit: (202) [system] peek_char((0x55772f068e50), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _556704)
   Exit: (201) [system] peek_char((0x55772f068e50), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x55772f068e50), _560494)
   Exit: (201) [system] get_char((0x55772f068e50), ')')
   Call: (201) [system] _538836=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [])
   Call: (200) [system] _310512=[_premise4]
   Exit: (200) [system] [_premise4]=[_premise4]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [_premise4])
   Call: (199) [system] _117520=[_proof4, _premise4]
   Exit: (199) [system] [_proof4, _premise4]=[_proof4, _premise4]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [_proof4, _premise4])
   Call: (198) [system] _13694=[:, _proof4, _premise4]
   Exit: (198) [system] [:, _proof4, _premise4]=[:, _proof4, _premise4]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [:, _proof4, _premise4])
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), [:, _proof4, _premise4])
^  Call: (196) [user] read_list(')', (0x55772f068e50), _574376)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _576234)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _585828)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _588532)
   Exit: (199) [system] peek_char((0x55772f068e50), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _605466)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _611036)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _612894)
   Exit: (199) [system] peek_char((0x55772f068e50), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _628904)
   Exit: (198) [system] get_char((0x55772f068e50), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x55772f068e50), _611036)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _634474)
   Exit: (200) [system] peek_char((0x55772f068e50), s)
   Call: (200) [system] s=(;)
   Fail: (200) [system] s=(;)
   Call: (200) [system] s=(/)
   Fail: (200) [system] s=(/)
^  Call: (200) [user] is_like_space(s)
   Call: (201) [system] char_type(s, 'white')
   Fail: (201) [system] char_type(s, 'white')
   Call: (201) [system] char_type(s, end_of_line)
   Fail: (201) [system] char_type(s, end_of_line)
   Call: (201) [system] char_type(s, space)
   Fail: (201) [system] char_type(s, space)
   Call: (201) [system] char_type(s, cntrl)
   Fail: (201) [system] char_type(s, cntrl)
^  Fail: (200) [user] is_like_space(s)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _650484)
   Exit: (199) [system] peek_char((0x55772f068e50), s)
   Call: (199) [system] s=')'
   Fail: (199) [system] s=')'
   Call: (199) [system] s=end_of_file
   Fail: (199) [system] s=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _656054)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _657912)
   Exit: (201) [system] peek_char((0x55772f068e50), s)
   Call: (201) [system] s=(;)
   Fail: (201) [system] s=(;)
   Call: (201) [system] s=(/)
   Fail: (201) [system] s=(/)
^  Call: (201) [user] is_like_space(s)
   Call: (202) [system] char_type(s, 'white')
   Fail: (202) [system] char_type(s, 'white')
   Call: (202) [system] char_type(s, end_of_line)
   Fail: (202) [system] char_type(s, end_of_line)
   Call: (202) [system] char_type(s, space)
   Fail: (202) [system] char_type(s, space)
   Call: (202) [system] char_type(s, cntrl)
   Fail: (202) [system] char_type(s, cntrl)
^  Fail: (201) [user] is_like_space(s)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _673922)
   Exit: (200) [system] get_char((0x55772f068e50), s)
   Call: (200) [system] s='('
   Fail: (200) [system] s='('
   Call: (200) [system] s='['
   Fail: (200) [system] s='['
   Call: (200) [system] s='{'
   Fail: (200) [system] s='{'
   Call: (200) [system] s='"'
   Fail: (200) [system] s='"'
   Call: (200) [system] s=!
   Fail: (200) [system] s=!
   Call: (200) [system] s='\''
   Fail: (200) [system] s='\''
   Call: (200) [system] s='`'
   Fail: (200) [system] s='`'
   Call: (200) [system] s=end_of_file
   Fail: (200) [system] s=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), s, _656054)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _691564)
   Call: (202) [system] peek_char((0x55772f068e50), _692498)
   Exit: (202) [system] peek_char((0x55772f068e50), y)
^  Call: (202) [user] is_delimiter(y)
   Call: (203) [system] char_type(y, space)
   Fail: (203) [system] char_type(y, space)
   Call: (203) [system] arg(_697218, v('(', ')', end_of_file), y)
   Fail: (203) [system] arg(_698150, v('(', ')', end_of_file), y)
^  Fail: (202) [user] is_delimiter(y)
   Call: (202) [system] ')'==y
   Fail: (202) [system] ')'==y
   Call: (202) [system] get_char((0x55772f068e50), y)
   Exit: (202) [system] get_char((0x55772f068e50), y)
   Call: (202) [system] y=(\)
   Fail: (202) [system] y=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _705500)
   Call: (203) [system] peek_char((0x55772f068e50), _706434)
   Exit: (203) [system] peek_char((0x55772f068e50), n)
^  Call: (203) [user] is_delimiter(n)
   Call: (204) [system] char_type(n, space)
   Fail: (204) [system] char_type(n, space)
   Call: (204) [system] arg(_711154, v('(', ')', end_of_file), n)
   Fail: (204) [system] arg(_712086, v('(', ')', end_of_file), n)
^  Fail: (203) [user] is_delimiter(n)
   Call: (203) [system] ')'==n
   Fail: (203) [system] ')'==n
   Call: (203) [system] get_char((0x55772f068e50), n)
   Exit: (203) [system] get_char((0x55772f068e50), n)
   Call: (203) [system] n=(\)
   Fail: (203) [system] n=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _719436)
   Call: (204) [system] peek_char((0x55772f068e50), _720370)
   Exit: (204) [system] peek_char((0x55772f068e50), t)
^  Call: (204) [user] is_delimiter(t)
   Call: (205) [system] char_type(t, space)
   Fail: (205) [system] char_type(t, space)
   Call: (205) [system] arg(_725090, v('(', ')', end_of_file), t)
   Fail: (205) [system] arg(_726022, v('(', ')', end_of_file), t)
^  Fail: (204) [user] is_delimiter(t)
   Call: (204) [system] ')'==t
   Fail: (204) [system] ')'==t
   Call: (204) [system] get_char((0x55772f068e50), t)
   Exit: (204) [system] get_char((0x55772f068e50), t)
   Call: (204) [system] t=(\)
   Fail: (204) [system] t=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _733372)
   Call: (205) [system] peek_char((0x55772f068e50), _734306)
   Exit: (205) [system] peek_char((0x55772f068e50), h)
^  Call: (205) [user] is_delimiter(h)
   Call: (206) [system] char_type(h, space)
   Fail: (206) [system] char_type(h, space)
   Call: (206) [system] arg(_739026, v('(', ')', end_of_file), h)
   Fail: (206) [system] arg(_739958, v('(', ')', end_of_file), h)
^  Fail: (205) [user] is_delimiter(h)
   Call: (205) [system] ')'==h
   Fail: (205) [system] ')'==h
   Call: (205) [system] get_char((0x55772f068e50), h)
   Exit: (205) [system] get_char((0x55772f068e50), h)
   Call: (205) [system] h=(\)
   Fail: (205) [system] h=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _747308)
   Call: (206) [system] peek_char((0x55772f068e50), _748242)
   Exit: (206) [system] peek_char((0x55772f068e50), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_752962, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_753894, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x55772f068e50), e)
   Exit: (206) [system] get_char((0x55772f068e50), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _761244)
   Call: (207) [system] peek_char((0x55772f068e50), _762178)
   Exit: (207) [system] peek_char((0x55772f068e50), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_766898, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_767830, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x55772f068e50), s)
   Exit: (207) [system] get_char((0x55772f068e50), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _775180)
   Call: (208) [system] peek_char((0x55772f068e50), _776114)
   Exit: (208) [system] peek_char((0x55772f068e50), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_780834, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_781766, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x55772f068e50), i)
   Exit: (208) [system] get_char((0x55772f068e50), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _789116)
   Call: (209) [system] peek_char((0x55772f068e50), _790050)
   Exit: (209) [system] peek_char((0x55772f068e50), z)
^  Call: (209) [user] is_delimiter(z)
   Call: (210) [system] char_type(z, space)
   Fail: (210) [system] char_type(z, space)
   Call: (210) [system] arg(_794770, v('(', ')', end_of_file), z)
   Fail: (210) [system] arg(_795702, v('(', ')', end_of_file), z)
^  Fail: (209) [user] is_delimiter(z)
   Call: (209) [system] ')'==z
   Fail: (209) [system] ')'==z
   Call: (209) [system] get_char((0x55772f068e50), z)
   Exit: (209) [system] get_char((0x55772f068e50), z)
   Call: (209) [system] z=(\)
   Fail: (209) [system] z=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _803052)
   Call: (210) [system] peek_char((0x55772f068e50), _803986)
   Exit: (210) [system] peek_char((0x55772f068e50), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_808706, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_809638, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x55772f068e50), e)
   Exit: (210) [system] get_char((0x55772f068e50), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _816988)
   Call: (211) [system] peek_char((0x55772f068e50), _817922)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _816988=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (210) [system] _803052=[e]
   Exit: (210) [system] [e]=[e]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (209) [system] _789116=[z, e]
   Exit: (209) [system] [z, e]=[z, e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [z, e])
   Call: (208) [system] _775180=[i, z, e]
   Exit: (208) [system] [i, z, e]=[i, z, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [i, z, e])
   Call: (207) [system] _761244=[s, i, z, e]
   Exit: (207) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [s, i, z, e])
   Call: (206) [system] _747308=[e, s, i, z, e]
   Exit: (206) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [e, s, i, z, e])
   Call: (205) [system] _733372=[h, e, s, i, z, e]
   Exit: (205) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [h, e, s, i, z, e])
   Call: (204) [system] _719436=[t, h, e, s, i, z, e]
   Exit: (204) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [t, h, e, s, i, z, e])
   Call: (203) [system] _705500=[n, t, h, e, s, i, z, e]
   Exit: (203) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, h, e, s, i, z, e])
   Call: (202) [system] _691564=[y, n, t, h, e, s, i, z, e]
   Exit: (202) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [y, n, t, h, e, s, i, z, e])
^  Call: (201) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _656054)
^  Call: (202) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _852352)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_853304, _853306), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _852352), _853286, fail)), '$restore_trace'(_853304, _853306))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_853304, _853306))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _853286, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(synthesize)
   Exit: (203) [system] atomic(synthesize)
^  Exit: (202) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (202) [system] integer(synthesize)
   Fail: (202) [system] integer(synthesize)
   Call: (202) [system] _656054=synthesize
   Exit: (202) [system] synthesize=synthesize
^  Exit: (201) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), s, synthesize)
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), synthesize)
^  Call: (199) [user] read_list(')', (0x55772f068e50), _865432)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _867290)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _876884)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _879588)
   Exit: (202) [system] peek_char((0x55772f068e50), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _896522)
   Exit: (200) [system] peek_char((0x55772f068e50), '(')
   Call: (200) [system] '('=')'
   Fail: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
   Fail: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _902092)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _903950)
   Exit: (202) [system] peek_char((0x55772f068e50), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _919960)
   Exit: (201) [system] get_char((0x55772f068e50), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x55772f068e50), _902092)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _925530)
   Exit: (203) [system] peek_char((0x55772f068e50), :)
   Call: (203) [system] (:)=(;)
   Fail: (203) [system] (:)=(;)
   Call: (203) [system] (:)=(/)
   Fail: (203) [system] (:)=(/)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Fail: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Fail: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Fail: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
   Fail: (204) [system] char_type(:, cntrl)
^  Fail: (203) [user] is_like_space(:)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _941540)
   Exit: (202) [system] peek_char((0x55772f068e50), :)
   Call: (202) [system] (:)=')'
   Fail: (202) [system] (:)=')'
   Call: (202) [system] (:)=end_of_file
   Fail: (202) [system] (:)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x55772f068e50), _947110)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _948968)
   Exit: (204) [system] peek_char((0x55772f068e50), :)
   Call: (204) [system] (:)=(;)
   Fail: (204) [system] (:)=(;)
   Call: (204) [system] (:)=(/)
   Fail: (204) [system] (:)=(/)
^  Call: (204) [user] is_like_space(:)
   Call: (205) [system] char_type(:, 'white')
   Fail: (205) [system] char_type(:, 'white')
   Call: (205) [system] char_type(:, end_of_line)
   Fail: (205) [system] char_type(:, end_of_line)
   Call: (205) [system] char_type(:, space)
   Fail: (205) [system] char_type(:, space)
   Call: (205) [system] char_type(:, cntrl)
   Fail: (205) [system] char_type(:, cntrl)
^  Fail: (204) [user] is_like_space(:)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] get_char((0x55772f068e50), _964978)
   Exit: (203) [system] get_char((0x55772f068e50), :)
   Call: (203) [system] (:)='('
   Fail: (203) [system] (:)='('
   Call: (203) [system] (:)='['
   Fail: (203) [system] (:)='['
   Call: (203) [system] (:)='{'
   Fail: (203) [system] (:)='{'
   Call: (203) [system] (:)='"'
   Fail: (203) [system] (:)='"'
   Call: (203) [system] (:)=!
   Fail: (203) [system] (:)=!
   Call: (203) [system] (:)='\''
   Fail: (203) [system] (:)='\''
   Call: (203) [system] (:)='`'
   Fail: (203) [system] (:)='`'
   Call: (203) [system] (:)=end_of_file
   Fail: (203) [system] (:)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x55772f068e50), :, _947110)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _982620)
   Call: (205) [system] peek_char((0x55772f068e50), _983554)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _982620=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (204) [user] classify_and_convert_charseq([:], _947110)
^  Call: (205) [user] classify_and_convert_charseq_([:], _992838)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_993790, _993792), once(user:catch(read_from_chars([:], _992838), _993772, fail)), '$restore_trace'(_993790, _993792))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_993790, _993792))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _993772, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(:)
   Exit: (206) [system] atomic(:)
^  Exit: (205) [user] classify_and_convert_charseq_([:], :)
   Call: (205) [system] integer(:)
   Fail: (205) [system] integer(:)
   Call: (205) [system] _947110=(:)
   Exit: (205) [system] (:)=(:)
^  Exit: (204) [user] classify_and_convert_charseq([:], :)
^  Exit: (203) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (202) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (202) [user] read_list(')', (0x55772f068e50), _1005918)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1007776)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x55772f068e50), _1017370)
   Exit: (204) [system] get_char((0x55772f068e50), ' ')
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1020074)
   Exit: (205) [system] peek_char((0x55772f068e50), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1037008)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=')'
   Fail: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x55772f068e50), _1042578)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1044436)
   Exit: (205) [system] peek_char((0x55772f068e50), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] get_char((0x55772f068e50), _1060446)
   Exit: (204) [system] get_char((0x55772f068e50), $)
   Call: (204) [system] ($)='('
   Fail: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Fail: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Fail: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Fail: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Fail: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Fail: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Fail: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x55772f068e50), $, _1042578)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1078088)
   Call: (206) [system] peek_char((0x55772f068e50), _1079022)
   Exit: (206) [system] peek_char((0x55772f068e50), p)
^  Call: (206) [user] is_delimiter(p)
   Call: (207) [system] char_type(p, space)
   Fail: (207) [system] char_type(p, space)
   Call: (207) [system] arg(_1083742, v('(', ')', end_of_file), p)
   Fail: (207) [system] arg(_1084674, v('(', ')', end_of_file), p)
^  Fail: (206) [user] is_delimiter(p)
   Call: (206) [system] ')'==p
   Fail: (206) [system] ')'==p
   Call: (206) [system] get_char((0x55772f068e50), p)
   Exit: (206) [system] get_char((0x55772f068e50), p)
   Call: (206) [system] p=(\)
   Fail: (206) [system] p=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1092024)
   Call: (207) [system] peek_char((0x55772f068e50), _1092958)
   Exit: (207) [system] peek_char((0x55772f068e50), r)
^  Call: (207) [user] is_delimiter(r)
   Call: (208) [system] char_type(r, space)
   Fail: (208) [system] char_type(r, space)
   Call: (208) [system] arg(_1097678, v('(', ')', end_of_file), r)
   Fail: (208) [system] arg(_1098610, v('(', ')', end_of_file), r)
^  Fail: (207) [user] is_delimiter(r)
   Call: (207) [system] ')'==r
   Fail: (207) [system] ')'==r
   Call: (207) [system] get_char((0x55772f068e50), r)
   Exit: (207) [system] get_char((0x55772f068e50), r)
   Call: (207) [system] r=(\)
   Fail: (207) [system] r=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1105960)
   Call: (208) [system] peek_char((0x55772f068e50), _1106894)
   Exit: (208) [system] peek_char((0x55772f068e50), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Fail: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_1111614, v('(', ')', end_of_file), o)
   Fail: (209) [system] arg(_1112546, v('(', ')', end_of_file), o)
^  Fail: (208) [user] is_delimiter(o)
   Call: (208) [system] ')'==o
   Fail: (208) [system] ')'==o
   Call: (208) [system] get_char((0x55772f068e50), o)
   Exit: (208) [system] get_char((0x55772f068e50), o)
   Call: (208) [system] o=(\)
   Fail: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1119896)
   Call: (209) [system] peek_char((0x55772f068e50), _1120830)
   Exit: (209) [system] peek_char((0x55772f068e50), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_1125550, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_1126482, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x55772f068e50), o)
   Exit: (209) [system] get_char((0x55772f068e50), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1133832)
   Call: (210) [system] peek_char((0x55772f068e50), _1134766)
   Exit: (210) [system] peek_char((0x55772f068e50), f)
^  Call: (210) [user] is_delimiter(f)
   Call: (211) [system] char_type(f, space)
   Fail: (211) [system] char_type(f, space)
   Call: (211) [system] arg(_1139486, v('(', ')', end_of_file), f)
   Fail: (211) [system] arg(_1140418, v('(', ')', end_of_file), f)
^  Fail: (210) [user] is_delimiter(f)
   Call: (210) [system] ')'==f
   Fail: (210) [system] ')'==f
   Call: (210) [system] get_char((0x55772f068e50), f)
   Exit: (210) [system] get_char((0x55772f068e50), f)
   Call: (210) [system] f=(\)
   Fail: (210) [system] f=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1147768)
   Call: (211) [system] peek_char((0x55772f068e50), _1148702)
   Exit: (211) [system] peek_char((0x55772f068e50), '4')
^  Call: (211) [user] is_delimiter('4')
   Call: (212) [system] char_type('4', space)
   Fail: (212) [system] char_type('4', space)
   Call: (212) [system] arg(_1153422, v('(', ')', end_of_file), '4')
   Fail: (212) [system] arg(_1154354, v('(', ')', end_of_file), '4')
^  Fail: (211) [user] is_delimiter('4')
   Call: (211) [system] ')'=='4'
   Fail: (211) [system] ')'=='4'
   Call: (211) [system] get_char((0x55772f068e50), '4')
   Exit: (211) [system] get_char((0x55772f068e50), '4')
   Call: (211) [system] '4'=(\)
   Fail: (211) [system] '4'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1161704)
   Call: (212) [system] peek_char((0x55772f068e50), _1162638)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1161704=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (211) [system] _1147768=['4']
   Exit: (211) [system] ['4']=['4']
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), ['4'])
   Call: (210) [system] _1133832=[f, '4']
   Exit: (210) [system] [f, '4']=[f, '4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '4'])
   Call: (209) [system] _1119896=[o, f, '4']
   Exit: (209) [system] [o, f, '4']=[o, f, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '4'])
   Call: (208) [system] _1105960=[o, o, f, '4']
   Exit: (208) [system] [o, o, f, '4']=[o, o, f, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '4'])
   Call: (207) [system] _1092024=[r, o, o, f, '4']
   Exit: (207) [system] [r, o, o, f, '4']=[r, o, o, f, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '4'])
   Call: (206) [system] _1078088=[p, r, o, o, f, '4']
   Exit: (206) [system] [p, r, o, o, f, '4']=[p, r, o, o, f, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '4'])
^  Call: (205) [user] classify_and_convert_charseq([$, p, r, o, o, f, '4'], _1042578)
^  Call: (206) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '4'], _1188686)
   Call: (207) [system] atom_chars(_1189618, ['_', p, r, o, o, f, '4'])
   Exit: (207) [system] atom_chars('_proof4', ['_', p, r, o, o, f, '4'])
^  Exit: (206) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '4'], _proof4)
   Call: (206) [system] integer(_proof4)
   Fail: (206) [system] integer(_proof4)
   Call: (206) [system] _1042578=_proof4
   Exit: (206) [system] _proof4=_proof4
^  Exit: (205) [user] classify_and_convert_charseq([$, p, r, o, o, f, '4'], _proof4)
^  Exit: (204) [user] read_symbolic(')', (0x55772f068e50), $, _proof4)
^  Exit: (203) [user] cont_sexpr(')', (0x55772f068e50), _proof4)
^  Call: (203) [user] read_list(')', (0x55772f068e50), _1198910)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1200768)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x55772f068e50), _1210362)
   Exit: (205) [system] get_char((0x55772f068e50), ' ')
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1213066)
   Exit: (206) [system] peek_char((0x55772f068e50), $)
   Call: (206) [system] ($)=(;)
   Fail: (206) [system] ($)=(;)
   Call: (206) [system] ($)=(/)
   Fail: (206) [system] ($)=(/)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Fail: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Fail: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Fail: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
   Fail: (207) [system] char_type($, cntrl)
^  Fail: (206) [user] is_like_space($)
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1230000)
   Exit: (204) [system] peek_char((0x55772f068e50), $)
   Call: (204) [system] ($)=')'
   Fail: (204) [system] ($)=')'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x55772f068e50), _1235570)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1237428)
   Exit: (206) [system] peek_char((0x55772f068e50), $)
   Call: (206) [system] ($)=(;)
   Fail: (206) [system] ($)=(;)
   Call: (206) [system] ($)=(/)
   Fail: (206) [system] ($)=(/)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Fail: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Fail: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Fail: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
   Fail: (207) [system] char_type($, cntrl)
^  Fail: (206) [user] is_like_space($)
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] get_char((0x55772f068e50), _1253438)
   Exit: (205) [system] get_char((0x55772f068e50), $)
   Call: (205) [system] ($)='('
   Fail: (205) [system] ($)='('
   Call: (205) [system] ($)='['
   Fail: (205) [system] ($)='['
   Call: (205) [system] ($)='{'
   Fail: (205) [system] ($)='{'
   Call: (205) [system] ($)='"'
   Fail: (205) [system] ($)='"'
   Call: (205) [system] ($)=!
   Fail: (205) [system] ($)=!
   Call: (205) [system] ($)='\''
   Fail: (205) [system] ($)='\''
   Call: (205) [system] ($)='`'
   Fail: (205) [system] ($)='`'
   Call: (205) [system] ($)=end_of_file
   Fail: (205) [system] ($)=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x55772f068e50), $, _1235570)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1271080)
   Call: (207) [system] peek_char((0x55772f068e50), _1272014)
   Exit: (207) [system] peek_char((0x55772f068e50), p)
^  Call: (207) [user] is_delimiter(p)
   Call: (208) [system] char_type(p, space)
   Fail: (208) [system] char_type(p, space)
   Call: (208) [system] arg(_1276734, v('(', ')', end_of_file), p)
   Fail: (208) [system] arg(_1277666, v('(', ')', end_of_file), p)
^  Fail: (207) [user] is_delimiter(p)
   Call: (207) [system] ')'==p
   Fail: (207) [system] ')'==p
   Call: (207) [system] get_char((0x55772f068e50), p)
   Exit: (207) [system] get_char((0x55772f068e50), p)
   Call: (207) [system] p=(\)
   Fail: (207) [system] p=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1285016)
   Call: (208) [system] peek_char((0x55772f068e50), _1285950)
   Exit: (208) [system] peek_char((0x55772f068e50), r)
^  Call: (208) [user] is_delimiter(r)
   Call: (209) [system] char_type(r, space)
   Fail: (209) [system] char_type(r, space)
   Call: (209) [system] arg(_1290670, v('(', ')', end_of_file), r)
   Fail: (209) [system] arg(_1291602, v('(', ')', end_of_file), r)
^  Fail: (208) [user] is_delimiter(r)
   Call: (208) [system] ')'==r
   Fail: (208) [system] ')'==r
   Call: (208) [system] get_char((0x55772f068e50), r)
   Exit: (208) [system] get_char((0x55772f068e50), r)
   Call: (208) [system] r=(\)
   Fail: (208) [system] r=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1298952)
   Call: (209) [system] peek_char((0x55772f068e50), _1299886)
   Exit: (209) [system] peek_char((0x55772f068e50), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_1304606, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_1305538, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x55772f068e50), e)
   Exit: (209) [system] get_char((0x55772f068e50), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1312888)
   Call: (210) [system] peek_char((0x55772f068e50), _1313822)
   Exit: (210) [system] peek_char((0x55772f068e50), m)
^  Call: (210) [user] is_delimiter(m)
   Call: (211) [system] char_type(m, space)
   Fail: (211) [system] char_type(m, space)
   Call: (211) [system] arg(_1318542, v('(', ')', end_of_file), m)
   Fail: (211) [system] arg(_1319474, v('(', ')', end_of_file), m)
^  Fail: (210) [user] is_delimiter(m)
   Call: (210) [system] ')'==m
   Fail: (210) [system] ')'==m
   Call: (210) [system] get_char((0x55772f068e50), m)
   Exit: (210) [system] get_char((0x55772f068e50), m)
   Call: (210) [system] m=(\)
   Fail: (210) [system] m=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1326824)
   Call: (211) [system] peek_char((0x55772f068e50), _1327758)
   Exit: (211) [system] peek_char((0x55772f068e50), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_1332478, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_1333410, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x55772f068e50), i)
   Exit: (211) [system] get_char((0x55772f068e50), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1340760)
   Call: (212) [system] peek_char((0x55772f068e50), _1341694)
   Exit: (212) [system] peek_char((0x55772f068e50), s)
^  Call: (212) [user] is_delimiter(s)
   Call: (213) [system] char_type(s, space)
   Fail: (213) [system] char_type(s, space)
   Call: (213) [system] arg(_1346414, v('(', ')', end_of_file), s)
   Fail: (213) [system] arg(_1347346, v('(', ')', end_of_file), s)
^  Fail: (212) [user] is_delimiter(s)
   Call: (212) [system] ')'==s
   Fail: (212) [system] ')'==s
   Call: (212) [system] get_char((0x55772f068e50), s)
   Exit: (212) [system] get_char((0x55772f068e50), s)
   Call: (212) [system] s=(\)
   Fail: (212) [system] s=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1354696)
   Call: (213) [system] peek_char((0x55772f068e50), _1355630)
   Exit: (213) [system] peek_char((0x55772f068e50), e)
^  Call: (213) [user] is_delimiter(e)
   Call: (214) [system] char_type(e, space)
   Fail: (214) [system] char_type(e, space)
   Call: (214) [system] arg(_1360350, v('(', ')', end_of_file), e)
   Fail: (214) [system] arg(_1361282, v('(', ')', end_of_file), e)
^  Fail: (213) [user] is_delimiter(e)
   Call: (213) [system] ')'==e
   Fail: (213) [system] ')'==e
   Call: (213) [system] get_char((0x55772f068e50), e)
   Exit: (213) [system] get_char((0x55772f068e50), e)
   Call: (213) [system] e=(\)
   Fail: (213) [system] e=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1368632)
   Call: (214) [system] peek_char((0x55772f068e50), _1369566)
   Exit: (214) [system] peek_char((0x55772f068e50), '4')
^  Call: (214) [user] is_delimiter('4')
   Call: (215) [system] char_type('4', space)
   Fail: (215) [system] char_type('4', space)
   Call: (215) [system] arg(_1374286, v('(', ')', end_of_file), '4')
   Fail: (215) [system] arg(_1375218, v('(', ')', end_of_file), '4')
^  Fail: (214) [user] is_delimiter('4')
   Call: (214) [system] ')'=='4'
   Fail: (214) [system] ')'=='4'
   Call: (214) [system] get_char((0x55772f068e50), '4')
   Exit: (214) [system] get_char((0x55772f068e50), '4')
   Call: (214) [system] '4'=(\)
   Fail: (214) [system] '4'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1382568)
   Call: (215) [system] peek_char((0x55772f068e50), _1383502)
   Exit: (215) [system] peek_char((0x55772f068e50), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_1388222, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _1382568=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (214) [system] _1368632=['4']
   Exit: (214) [system] ['4']=['4']
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), ['4'])
   Call: (213) [system] _1354696=[e, '4']
   Exit: (213) [system] [e, '4']=[e, '4']
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '4'])
   Call: (212) [system] _1340760=[s, e, '4']
   Exit: (212) [system] [s, e, '4']=[s, e, '4']
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '4'])
   Call: (211) [system] _1326824=[i, s, e, '4']
   Exit: (211) [system] [i, s, e, '4']=[i, s, e, '4']
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '4'])
   Call: (210) [system] _1312888=[m, i, s, e, '4']
   Exit: (210) [system] [m, i, s, e, '4']=[m, i, s, e, '4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '4'])
   Call: (209) [system] _1298952=[e, m, i, s, e, '4']
   Exit: (209) [system] [e, m, i, s, e, '4']=[e, m, i, s, e, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '4'])
   Call: (208) [system] _1285016=[r, e, m, i, s, e, '4']
   Exit: (208) [system] [r, e, m, i, s, e, '4']=[r, e, m, i, s, e, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '4'])
   Call: (207) [system] _1271080=[p, r, e, m, i, s, e, '4']
   Exit: (207) [system] [p, r, e, m, i, s, e, '4']=[p, r, e, m, i, s, e, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '4'])
^  Call: (206) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '4'], _1235570)
^  Call: (207) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '4'], _1417010)
   Call: (208) [system] atom_chars(_1417942, ['_', p, r, e, m, i, s, e, '4'])
   Exit: (208) [system] atom_chars('_premise4', ['_', p, r, e, m, i, s, e, '4'])
^  Exit: (207) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '4'], _premise4)
   Call: (207) [system] integer(_premise4)
   Fail: (207) [system] integer(_premise4)
   Call: (207) [system] _1235570=_premise4
   Exit: (207) [system] _premise4=_premise4
^  Exit: (206) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '4'], _premise4)
^  Exit: (205) [user] read_symbolic(')', (0x55772f068e50), $, _premise4)
^  Exit: (204) [user] cont_sexpr(')', (0x55772f068e50), _premise4)
^  Call: (204) [user] read_list(')', (0x55772f068e50), _1427234)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1429092)
   Exit: (206) [system] peek_char((0x55772f068e50), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
   Call: (206) [system] ')'=(/)
   Fail: (206) [system] ')'=(/)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1445102)
   Exit: (205) [system] peek_char((0x55772f068e50), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x55772f068e50), _1448892)
   Exit: (205) [system] get_char((0x55772f068e50), ')')
   Call: (205) [system] _1427234=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x55772f068e50), [])
   Call: (204) [system] _1198910=[_premise4]
   Exit: (204) [system] [_premise4]=[_premise4]
^  Exit: (203) [user] read_list(')', (0x55772f068e50), [_premise4])
   Call: (203) [system] _1005918=[_proof4, _premise4]
   Exit: (203) [system] [_proof4, _premise4]=[_proof4, _premise4]
^  Exit: (202) [user] read_list(')', (0x55772f068e50), [_proof4, _premise4])
   Call: (202) [system] _902092=[:, _proof4, _premise4]
   Exit: (202) [system] [:, _proof4, _premise4]=[:, _proof4, _premise4]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [:, _proof4, _premise4])
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), [:, _proof4, _premise4])
^  Call: (200) [user] read_list(')', (0x55772f068e50), _1462774)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1464632)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _1474226)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1476930)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1493864)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _1499434)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1501292)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _1517302)
   Exit: (202) [system] get_char((0x55772f068e50), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), $, _1499434)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1534944)
   Call: (204) [system] peek_char((0x55772f068e50), _1535878)
   Exit: (204) [system] peek_char((0x55772f068e50), k)
^  Call: (204) [user] is_delimiter(k)
   Call: (205) [system] char_type(k, space)
   Fail: (205) [system] char_type(k, space)
   Call: (205) [system] arg(_1540598, v('(', ')', end_of_file), k)
   Fail: (205) [system] arg(_1541530, v('(', ')', end_of_file), k)
^  Fail: (204) [user] is_delimiter(k)
   Call: (204) [system] ')'==k
   Fail: (204) [system] ')'==k
   Call: (204) [system] get_char((0x55772f068e50), k)
   Exit: (204) [system] get_char((0x55772f068e50), k)
   Call: (204) [system] k=(\)
   Fail: (204) [system] k=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1548880)
   Call: (205) [system] peek_char((0x55772f068e50), _1549814)
   Exit: (205) [system] peek_char((0x55772f068e50), b)
^  Call: (205) [user] is_delimiter(b)
   Call: (206) [system] char_type(b, space)
   Fail: (206) [system] char_type(b, space)
   Call: (206) [system] arg(_1554534, v('(', ')', end_of_file), b)
   Fail: (206) [system] arg(_1555466, v('(', ')', end_of_file), b)
^  Fail: (205) [user] is_delimiter(b)
   Call: (205) [system] ')'==b
   Fail: (205) [system] ')'==b
   Call: (205) [system] get_char((0x55772f068e50), b)
   Exit: (205) [system] get_char((0x55772f068e50), b)
   Call: (205) [system] b=(\)
   Fail: (205) [system] b=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1562816)
   Call: (206) [system] peek_char((0x55772f068e50), _1563750)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1562816=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (205) [system] _1548880=[b]
   Exit: (205) [system] [b]=[b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (204) [system] _1534944=[k, b]
   Exit: (204) [system] [k, b]=[k, b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [k, b])
^  Call: (203) [user] classify_and_convert_charseq([$, k, b], _1499434)
^  Call: (204) [user] classify_and_convert_charseq_([$, k, b], _1578622)
   Call: (205) [system] atom_chars(_1579554, ['_', k, b])
   Exit: (205) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (204) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (204) [system] integer(_kb)
   Fail: (204) [system] integer(_kb)
   Call: (204) [system] _1499434=_kb
   Exit: (204) [system] _kb=_kb
^  Exit: (203) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), $, _kb)
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), _kb)
^  Call: (201) [user] read_list(')', (0x55772f068e50), _1588846)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1590704)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _1600298)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1603002)
   Exit: (204) [system] peek_char((0x55772f068e50), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1619936)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x55772f068e50), _1625506)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1627364)
   Exit: (204) [system] peek_char((0x55772f068e50), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] get_char((0x55772f068e50), _1643374)
   Exit: (203) [system] get_char((0x55772f068e50), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x55772f068e50), $, _1625506)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1661016)
   Call: (205) [system] peek_char((0x55772f068e50), _1661950)
   Exit: (205) [system] peek_char((0x55772f068e50), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1666670, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1667602, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x55772f068e50), r)
   Exit: (205) [system] get_char((0x55772f068e50), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1674952)
   Call: (206) [system] peek_char((0x55772f068e50), _1675886)
   Exit: (206) [system] peek_char((0x55772f068e50), b)
^  Call: (206) [user] is_delimiter(b)
   Call: (207) [system] char_type(b, space)
   Fail: (207) [system] char_type(b, space)
   Call: (207) [system] arg(_1680606, v('(', ')', end_of_file), b)
   Fail: (207) [system] arg(_1681538, v('(', ')', end_of_file), b)
^  Fail: (206) [user] is_delimiter(b)
   Call: (206) [system] ')'==b
   Fail: (206) [system] ')'==b
   Call: (206) [system] get_char((0x55772f068e50), b)
   Exit: (206) [system] get_char((0x55772f068e50), b)
   Call: (206) [system] b=(\)
   Fail: (206) [system] b=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1688888)
   Call: (207) [system] peek_char((0x55772f068e50), _1689822)
   Exit: (207) [system] peek_char((0x55772f068e50), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1688888=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (206) [system] _1674952=[b]
   Exit: (206) [system] [b]=[b]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (205) [system] _1661016=[r, b]
   Exit: (205) [system] [r, b]=[r, b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [r, b])
^  Call: (204) [user] classify_and_convert_charseq([$, r, b], _1625506)
^  Call: (205) [user] classify_and_convert_charseq_([$, r, b], _1704694)
   Call: (206) [system] atom_chars(_1705626, ['_', r, b])
   Exit: (206) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (205) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (205) [system] integer(_rb)
   Fail: (205) [system] integer(_rb)
   Call: (205) [system] _1625506=_rb
   Exit: (205) [system] _rb=_rb
^  Exit: (204) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (203) [user] read_symbolic(')', (0x55772f068e50), $, _rb)
^  Exit: (202) [user] cont_sexpr(')', (0x55772f068e50), _rb)
^  Call: (202) [user] read_list(')', (0x55772f068e50), _1714918)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1716776)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x55772f068e50), _1726370)
   Exit: (204) [system] get_char((0x55772f068e50), ' ')
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1729074)
   Exit: (205) [system] peek_char((0x55772f068e50), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1746008)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=')'
   Fail: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x55772f068e50), _1751578)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1753436)
   Exit: (205) [system] peek_char((0x55772f068e50), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] get_char((0x55772f068e50), _1769446)
   Exit: (204) [system] get_char((0x55772f068e50), $)
   Call: (204) [system] ($)='('
   Fail: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Fail: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Fail: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Fail: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Fail: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Fail: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Fail: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x55772f068e50), $, _1751578)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1787088)
   Call: (206) [system] peek_char((0x55772f068e50), _1788022)
   Exit: (206) [system] peek_char((0x55772f068e50), k)
^  Call: (206) [user] is_delimiter(k)
   Call: (207) [system] char_type(k, space)
   Fail: (207) [system] char_type(k, space)
   Call: (207) [system] arg(_1792742, v('(', ')', end_of_file), k)
   Fail: (207) [system] arg(_1793674, v('(', ')', end_of_file), k)
^  Fail: (206) [user] is_delimiter(k)
   Call: (206) [system] ')'==k
   Fail: (206) [system] ')'==k
   Call: (206) [system] get_char((0x55772f068e50), k)
   Exit: (206) [system] get_char((0x55772f068e50), k)
   Call: (206) [system] k=(\)
   Fail: (206) [system] k=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1801024)
   Call: (207) [system] peek_char((0x55772f068e50), _1801958)
   Exit: (207) [system] peek_char((0x55772f068e50), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_1806678, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _1801024=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (206) [system] _1787088=[k]
   Exit: (206) [system] [k]=[k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
^  Call: (205) [user] classify_and_convert_charseq([$, k], _1751578)
^  Call: (206) [user] classify_and_convert_charseq_([$, k], _1815908)
   Call: (207) [system] atom_chars(_1816840, ['_', k])
   Exit: (207) [system] atom_chars('_k', ['_', k])
^  Exit: (206) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (206) [system] integer(_k)
   Fail: (206) [system] integer(_k)
   Call: (206) [system] _1751578=_k
   Exit: (206) [system] _k=_k
^  Exit: (205) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (204) [user] read_symbolic(')', (0x55772f068e50), $, _k)
^  Exit: (203) [user] cont_sexpr(')', (0x55772f068e50), _k)
^  Call: (203) [user] read_list(')', (0x55772f068e50), _1826132)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1827990)
   Exit: (205) [system] peek_char((0x55772f068e50), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1844000)
   Exit: (204) [system] peek_char((0x55772f068e50), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x55772f068e50), _1847790)
   Exit: (204) [system] get_char((0x55772f068e50), ')')
   Call: (204) [system] _1826132=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x55772f068e50), [])
   Call: (203) [system] _1714918=[_k]
   Exit: (203) [system] [_k]=[_k]
^  Exit: (202) [user] read_list(')', (0x55772f068e50), [_k])
   Call: (202) [system] _1588846=[_rb, _k]
   Exit: (202) [system] [_rb, _k]=[_rb, _k]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [_rb, _k])
   Call: (201) [system] _1462774=[_kb, _rb, _k]
   Exit: (201) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [_kb, _rb, _k])
   Call: (200) [system] _865432=[[:, _proof4, _premise4], _kb, _rb, _k]
   Exit: (200) [system] [[:, _proof4, _premise4], _kb, _rb, _k]=[[:, _proof4, _premise4], _kb, _rb, _k]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [[:, _proof4, _premise4], _kb, _rb, _k])
   Call: (199) [system] _611036=[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]
   Exit: (199) [system] [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]=[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), [synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
^  Call: (197) [user] read_list(')', (0x55772f068e50), _1867260)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1869118)
   Exit: (199) [system] peek_char((0x55772f068e50), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1885128)
   Exit: (198) [system] peek_char((0x55772f068e50), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x55772f068e50), _1888918)
   Exit: (198) [system] get_char((0x55772f068e50), ')')
   Call: (198) [system] _1867260=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [])
   Call: (197) [system] _574376=[[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
   Exit: (197) [system] [[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]=[[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
   Call: (196) [system] _3984=[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
   Exit: (196) [system] [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]=[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
^  Call: (194) [user] read_list(')', (0x55772f068e50), _1900006)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1901864)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1917874)
   Exit: (195) [system] peek_char((0x55772f068e50), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x55772f068e50), _1921664)
   Exit: (195) [system] get_char((0x55772f068e50), ')')
   Call: (195) [system] _1900006=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [])
   Call: (194) [system] _3980=[[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
   Exit: (194) [system] [[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]=[[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Call: (193) [system] _3868=[[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
   Exit: (193) [system] [[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]=[[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Call: (192) [system] _3756=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
   Exit: (192) [system] [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Call: (191) [system] _3644=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
   Exit: (191) [system] [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
^  Exit: (190) [user] read_list(')', (0x55772f068e50), [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Call: (190) [system] _3550=[[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
   Exit: (190) [system] [[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]=[[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
^  Exit: (189) [user] read_list(')', (0x55772f068e50), [[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Call: (189) [system] _3442=[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
   Exit: (189) [system] [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]=[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
^  Exit: (187) [user] cont_sexpr(')', (0x55772f068e50), [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
^  Call: (187) [user] read_list(')', (0x55772f068e50), _1943928)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1945786)
   Exit: (189) [system] peek_char((0x55772f068e50), '\n')
   Call: (189) [system] '\n'=(;)
   Fail: (189) [system] '\n'=(;)
   Call: (189) [system] '\n'=(/)
   Fail: (189) [system] '\n'=(/)
^  Call: (189) [user] is_like_space('\n')
   Call: (190) [system] char_type('\n', 'white')
   Fail: (190) [system] char_type('\n', 'white')
   Call: (190) [system] char_type('\n', end_of_line)
   Exit: (190) [system] char_type('\n', end_of_line)
^  Exit: (189) [user] is_like_space('\n')
   Call: (189) [system] get_char((0x55772f068e50), _1957236)
   Exit: (189) [system] get_char((0x55772f068e50), '\n')
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1959940)
   Exit: (190) [system] peek_char((0x55772f068e50), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x55772f068e50), _1969534)
   Exit: (190) [system] get_char((0x55772f068e50), ' ')
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1972238)
   Exit: (191) [system] peek_char((0x55772f068e50), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x55772f068e50), _1981832)
   Exit: (191) [system] get_char((0x55772f068e50), ' ')
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1984536)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x55772f068e50), _1994130)
   Exit: (192) [system] get_char((0x55772f068e50), ' ')
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1996834)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _2006428)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _2009132)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _2018726)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _2021430)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _2042984)
   Exit: (188) [system] peek_char((0x55772f068e50), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x55772f068e50), _2048554)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _2050412)
   Exit: (190) [system] peek_char((0x55772f068e50), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] get_char((0x55772f068e50), _2066422)
   Exit: (189) [system] get_char((0x55772f068e50), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x55772f068e50), $, _2048554)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _2084064)
   Call: (191) [system] peek_char((0x55772f068e50), _2084998)
   Exit: (191) [system] peek_char((0x55772f068e50), q)
^  Call: (191) [user] is_delimiter(q)
   Call: (192) [system] char_type(q, space)
   Fail: (192) [system] char_type(q, space)
   Call: (192) [system] arg(_2089718, v('(', ')', end_of_file), q)
   Fail: (192) [system] arg(_2090650, v('(', ')', end_of_file), q)
^  Fail: (191) [user] is_delimiter(q)
   Call: (191) [system] ')'==q
   Fail: (191) [system] ')'==q
   Call: (191) [system] get_char((0x55772f068e50), q)
   Exit: (191) [system] get_char((0x55772f068e50), q)
   Call: (191) [system] q=(\)
   Fail: (191) [system] q=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _5384)
   Call: (192) [system] peek_char((0x55772f068e50), _6318)
   Exit: (192) [system] peek_char((0x55772f068e50), u)
^  Call: (192) [user] is_delimiter(u)
   Call: (193) [system] char_type(u, space)
   Fail: (193) [system] char_type(u, space)
   Call: (193) [system] arg(_11038, v('(', ')', end_of_file), u)
   Fail: (193) [system] arg(_11970, v('(', ')', end_of_file), u)
^  Fail: (192) [user] is_delimiter(u)
   Call: (192) [system] ')'==u
   Fail: (192) [system] ')'==u
   Call: (192) [system] get_char((0x55772f068e50), u)
   Exit: (192) [system] get_char((0x55772f068e50), u)
   Call: (192) [system] u=(\)
   Fail: (192) [system] u=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _19320)
   Call: (193) [system] peek_char((0x55772f068e50), _20254)
   Exit: (193) [system] peek_char((0x55772f068e50), e)
^  Call: (193) [user] is_delimiter(e)
   Call: (194) [system] char_type(e, space)
   Fail: (194) [system] char_type(e, space)
   Call: (194) [system] arg(_24974, v('(', ')', end_of_file), e)
   Fail: (194) [system] arg(_25906, v('(', ')', end_of_file), e)
^  Fail: (193) [user] is_delimiter(e)
   Call: (193) [system] ')'==e
   Fail: (193) [system] ')'==e
   Call: (193) [system] get_char((0x55772f068e50), e)
   Exit: (193) [system] get_char((0x55772f068e50), e)
   Call: (193) [system] e=(\)
   Fail: (193) [system] e=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _33256)
   Call: (194) [system] peek_char((0x55772f068e50), _34190)
   Exit: (194) [system] peek_char((0x55772f068e50), r)
^  Call: (194) [user] is_delimiter(r)
   Call: (195) [system] char_type(r, space)
   Fail: (195) [system] char_type(r, space)
   Call: (195) [system] arg(_38910, v('(', ')', end_of_file), r)
   Fail: (195) [system] arg(_39842, v('(', ')', end_of_file), r)
^  Fail: (194) [user] is_delimiter(r)
   Call: (194) [system] ')'==r
   Fail: (194) [system] ')'==r
   Call: (194) [system] get_char((0x55772f068e50), r)
   Exit: (194) [system] get_char((0x55772f068e50), r)
   Call: (194) [system] r=(\)
   Fail: (194) [system] r=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _47192)
   Call: (195) [system] peek_char((0x55772f068e50), _48126)
   Exit: (195) [system] peek_char((0x55772f068e50), y)
^  Call: (195) [user] is_delimiter(y)
   Call: (196) [system] char_type(y, space)
   Fail: (196) [system] char_type(y, space)
   Call: (196) [system] arg(_52846, v('(', ')', end_of_file), y)
   Fail: (196) [system] arg(_53778, v('(', ')', end_of_file), y)
^  Fail: (195) [user] is_delimiter(y)
   Call: (195) [system] ')'==y
   Fail: (195) [system] ')'==y
   Call: (195) [system] get_char((0x55772f068e50), y)
   Exit: (195) [system] get_char((0x55772f068e50), y)
   Call: (195) [system] y=(\)
   Fail: (195) [system] y=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _61128)
   Call: (196) [system] peek_char((0x55772f068e50), _62062)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_66782, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _61128=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (195) [system] _47192=[y]
   Exit: (195) [system] [y]=[y]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [y])
   Call: (194) [system] _33256=[r, y]
   Exit: (194) [system] [r, y]=[r, y]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [r, y])
   Call: (193) [system] _19320=[e, r, y]
   Exit: (193) [system] [e, r, y]=[e, r, y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [e, r, y])
   Call: (192) [system] _5384=[u, e, r, y]
   Exit: (192) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [u, e, r, y])
   Call: (191) [system] _4100=[q, u, e, r, y]
   Exit: (191) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [q, u, e, r, y])
^  Call: (190) [user] classify_and_convert_charseq([$, q, u, e, r, y], _4096)
^  Call: (191) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _87188)
   Call: (192) [system] atom_chars(_88120, ['_', q, u, e, r, y])
   Exit: (192) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (191) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (191) [system] integer(_query)
   Fail: (191) [system] integer(_query)
   Call: (191) [system] _4096=_query
   Exit: (191) [system] _query=_query
^  Exit: (190) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (189) [user] read_symbolic(')', (0x55772f068e50), $, _query)
^  Exit: (188) [user] cont_sexpr(')', (0x55772f068e50), _query)
^  Call: (188) [user] read_list(')', (0x55772f068e50), _97412)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _99270)
   Exit: (190) [system] peek_char((0x55772f068e50), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _115280)
   Exit: (189) [system] peek_char((0x55772f068e50), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x55772f068e50), _119070)
   Exit: (189) [system] get_char((0x55772f068e50), ')')
   Call: (189) [system] _97412=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [])
   Call: (188) [system] _4092=[_query]
   Exit: (188) [system] [_query]=[_query]
^  Exit: (187) [user] read_list(')', (0x55772f068e50), [_query])
   Call: (187) [system] _3438=[[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]
   Exit: (187) [system] [[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]=[[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]
^  Exit: (186) [user] read_list(')', (0x55772f068e50), [[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
   Call: (186) [system] _3430=['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]
   Exit: (186) [system] ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]=['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
^  Exit: (184) [user] cont_sexpr(')', (0x55772f068e50), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
^  Call: (184) [user] read_list(')', (0x55772f068e50), _132952)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _134810)
   Exit: (186) [system] peek_char((0x55772f068e50), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _150820)
   Exit: (185) [system] peek_char((0x55772f068e50), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x55772f068e50), _154610)
   Exit: (185) [system] get_char((0x55772f068e50), ')')
   Call: (185) [system] _132952=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [])
   Call: (184) [system] _3426=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
   Exit: (184) [system] [['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] read_list(')', (0x55772f068e50), [['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Call: (183) [system] _3362=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
   Exit: (183) [system] [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
^  Exit: (182) [user] read_list(')', (0x55772f068e50), [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Call: (182) [system] _3322=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
   Exit: (182) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
^  Exit: (181) [user] read_list(')', (0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (180) [user] cont_sexpr(')', (0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (179) [user] read_sexpr((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Call: (179) [user] assertz(metta_file_comment(75, 0, 2845, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], '$stream_position'(2845, 75, 0, 2845)))
^  Exit: (179) [user] assertz(metta_file_comment(75, 0, 2845, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], '$stream_position'(2845, 75, 0, 2845)))
^  Exit: (177) [system] once(user:(read_position((0x55772f068e50), 75, 0, 2845, '$stream_position'(2845, 75, 0, 2845)), read_sexpr((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]), assertz(metta_file_comment(75, 0, 2845, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], '$stream_position'(2845, 75, 0, 2845)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_173128, _173130, _173132, _173134, _173136))
^  Exit: (177) [user] retract(metta_file_comment(42, 0, 1399, '$COMMENT'(";;\t\t", 42, 0), '$stream_position'(1399, 42, 0, 1399)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;\t\t", 42, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;\t\t", 42, 0), _175960))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;\t\t", 42, 0), _175960)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;\t\t", 42, 0), _175960)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;\t\t", 42, 0), _178776))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;\t\t", 42, 0), _178776))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;\t\t", 42, 0), _178776)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;\t\t", 42, 0), _181576))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;\t\t", 42, 0), _181576)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;\t\t", 42, 0), _181576)
   Call: (187) [system] var('$COMMENT'(";;\t\t", 42, 0))
   Call: (187) [system] atom('$COMMENT'(";;\t\t", 42, 0))
   Call: (187) [system] '$COMMENT'(";;\t\t", 42, 0)==true
   Call: (187) [system] '$COMMENT'(";;\t\t", 42, 0)==false
   Call: (187) [system] '$COMMENT'(";;\t\t", 42, 0)==[_188096, _188102]
   Call: (187) [system] is_list('$COMMENT'(";;\t\t", 42, 0))
   Call: (187) [system] string('$COMMENT'(";;\t\t", 42, 0))
   Call: (187) [system] compound('$COMMENT'(";;\t\t", 42, 0))
   Exit: (187) [system] compound('$COMMENT'(";;\t\t", 42, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t", 42, 0), _192730, _192732)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t", 42, 0), '$COMMENT', [";;\t\t", 42, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;\t\t", 42, 0], _196472)
   Call: (188) [apply] apply:maplist_([";;\t\t", 42, 0], _196472, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;\t\t", _198352)
   Call: (190) [system] var(";;\t\t")
   Call: (190) [system] atom(";;\t\t")
   Call: (190) [system] ";;\t\t"==true
   Call: (190) [system] ";;\t\t"==false
   Call: (190) [system] ";;\t\t"==[_202994, _203000]
   Call: (190) [system] is_list(";;\t\t")
   Call: (190) [system] string(";;\t\t")
   Exit: (190) [system] string(";;\t\t")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;\t\t")
^  Call: (190) [user] symbol(";;\t\t")
   Call: (191) [system] atom(";;\t\t")
   Fail: (191) [system] atom(";;\t\t")
^  Fail: (190) [user] symbol(";;\t\t")
   Call: (190) [system] ";;\t\t"=_198352
   Exit: (190) [system] ";;\t\t"=";;\t\t"
^  Exit: (189) [user] mfix_vars1(";;\t\t", ";;\t\t")
   Call: (189) [apply] apply:maplist_([42, 0], _198354, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(42, _216874)
   Call: (191) [system] var(42)
   Call: (191) [system] atom(42)
   Call: (191) [system] 42==true
   Call: (191) [system] 42==false
   Call: (191) [system] 42==[_221516, _221522]
   Call: (191) [system] is_list(42)
   Call: (191) [system] string(42)
   Call: (191) [system] compound(42)
^  Call: (191) [user] symbol(42)
   Call: (192) [system] atom(42)
   Fail: (192) [system] atom(42)
^  Fail: (191) [user] symbol(42)
   Call: (191) [system] 42=_216874
   Exit: (191) [system] 42=42
^  Exit: (190) [user] mfix_vars1(42, 42)
   Call: (190) [apply] apply:maplist_([0], _216876, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _232640)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_237282, _237288]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_232640
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _232642, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([42, 0], [42, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;\t\t", 42, 0], [";;\t\t", 42, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;\t\t", 42, 0], [";;\t\t", 42, 0])
   Call: (187) [system] compound_name_arguments(_181576, '$COMMENT', [";;\t\t", 42, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t", 42, 0), '$COMMENT', [";;\t\t", 42, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;\t\t", 42, 0), '$COMMENT'(";;\t\t", 42, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;\t\t", 42, 0), '$COMMENT'(";;\t\t", 42, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;\t\t", 42, 0), '$COMMENT'(";;\t\t", 42, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t", 42, 0)\=@='$COMMENT'(";;\t\t", 42, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;\t\t", 42, 0), '$COMMENT'(";;\t\t", 42, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;\t\t", 42, 0), '$COMMENT'(";;\t\t", 42, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;\t\t", 42, 0), '$COMMENT'(";;\t\t", 42, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;\t\t", 42, 0), _261458))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;\t\t", 42, 0), _261458))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;\t\t", 42, 0), _261458)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;\t\t", 42, 0), _264258))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;\t\t", 42, 0), _264258)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;\t\t", 42, 0), _264258)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;\t\t", 42, 0), '$COMMENT'(";;\t\t", 42, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;\t\t", 42, 0), '$COMMENT'(";;\t\t", 42, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;\t\t", 42, 0), '$COMMENT'(";;\t\t", 42, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t", 42, 0)\=@='$COMMENT'(";;\t\t", 42, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;\t\t", 42, 0), '$COMMENT'(";;\t\t", 42, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;\t\t", 42, 0), '$COMMENT'(";;\t\t", 42, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;\t\t", 42, 0), '$COMMENT'(";;\t\t", 42, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;\t\t", 42, 0), _175960))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;\t\t", 42, 0), _175960))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;\t\t", 42, 0), _175960)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;\t\t", 42, 0), _278216))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;\t\t", 42, 0), _278216)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;\t\t", 42, 0), _278216)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;\t\t", 42, 0), '$COMMENT'(";;\t\t", 42, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;\t\t", 42, 0), '$COMMENT'(";;\t\t", 42, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;\t\t", 42, 0), '$COMMENT'(";;\t\t", 42, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t", 42, 0)\=@='$COMMENT'(";;\t\t", 42, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;\t\t", 42, 0), '$COMMENT'(";;\t\t", 42, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;\t\t", 42, 0), '$COMMENT'(";;\t\t", 42, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;\t\t", 42, 0), '$COMMENT'(";;\t\t", 42, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;\t\t", 42, 0), '$COMMENT'(";;\t\t", 42, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;\t\t", 42, 0), '$COMMENT'(";;\t\t", 42, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;\t\t", 42, 0), '$COMMENT'(";;\t\t", 42, 0)))
   Call: (178) [system] '$COMMENT'(";;\t\t", 42, 0)\=@='$COMMENT'(";;\t\t", 42, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;\t\t", 42, 0), '$COMMENT'(";;\t\t", 42, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;\t\t", 42, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;\t\t", 42, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;\t\t", 42, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";;\t\t", 42, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";;\t\t", 42, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;\t\t", 42, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;\t\t", 42, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;\t\t", 42, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";;\t\t", 42, 0))
^  Exit: (171) [user] read_sform((0x55772f068e50), '$COMMENT'(";;\t\t", 42, 0))
^  Exit: (170) [system] once(user:read_sform((0x55772f068e50), '$COMMENT'(";;\t\t", 42, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x55772f068e50), '$COMMENT'(";;\t\t", 42, 0)))
   Call: (169) [system] '$COMMENT'(";;\t\t", 42, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;\t\t", 42, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727481854.2066653), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481854.2066653), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t", 42, 0)), 74]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;\t\t", 42, 0), me_synthesize_1727481849_9551582, 74)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727481854.2066653), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481854.2066653), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t", 42, 0)), 74]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727481855.9031844)
   Call: (173) [system] arg(1, t(1727481854.2066653), _3148)
   Exit: (173) [system] arg(1, t(1727481854.2066653), 1727481854.2066653)
   Call: (173) [system] _3158 is 1727481855.9031844-1727481854.2066653
   Exit: (173) [system] 1.696519136428833 is 1727481855.9031844-1727481854.2066653
   Call: (173) [system] 1.696519136428833>4
   Fail: (173) [system] 1.696519136428833>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727481854.2066653), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481854.2066653), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t", 42, 0)), 74]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 8)
   Call: (175) [system] atom(8+1)
   Call: (175) [system] set_flag(translated_forms, 9)
   Exit: (175) [system] set_flag(translated_forms, 9)
   Exit: (174) [$syspreds] update_flag(translated_forms, 8, 8+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 8, 8+1))
   Exit: (171) [$syspreds] flag(translated_forms, 8, 8+1)
^  Call: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;\t\t", 42, 0), me_synthesize_1727481849_9551582, 74)
^  Call: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";;\t\t"])
^  Exit: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";;\t\t"])
^  Exit: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;\t\t", 42, 0), me_synthesize_1727481849_9551582, 74)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727481854.2066653), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481854.2066653), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t", 42, 0)), 74]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 8, 8+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;\t\t", 42, 0), me_synthesize_1727481849_9551582, 74)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x55772f068e50))
   Fail: (169) [system] at_end_of_stream((0x55772f068e50))
^  Call: (169) [user] must_det_ll(line_count((0x55772f068e50), _3074))
^  Call: (170) [user] once(user:line_count((0x55772f068e50), _3074))
   Call: (171) [system] line_count((0x55772f068e50), _3074)
   Exit: (171) [system] line_count((0x55772f068e50), 83)
^  Exit: (170) [system] once(user:line_count((0x55772f068e50), 83))
^  Exit: (169) [user] must_det_ll(user:line_count((0x55772f068e50), 83))
^  Call: (169) [user] must_det_ll(read_sform((0x55772f068e50), _3084))
^  Call: (170) [user] once(user:read_sform((0x55772f068e50), _3084))
^  Call: (171) [user] read_sform((0x55772f068e50), _3084)
   Call: (172) [system] string((0x55772f068e50))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (173) [system] string((0x55772f068e50))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (174) [system] at_end_of_stream((0x55772f068e50))
   Call: (174) [system] peek_char((0x55772f068e50), _353000)
   Exit: (174) [system] peek_char((0x55772f068e50), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x55772f068e50), '\n')
   Exit: (174) [system] get_char((0x55772f068e50), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), _3084)
   Call: (175) [system] at_end_of_stream((0x55772f068e50))
   Call: (175) [system] peek_char((0x55772f068e50), _360422)
   Exit: (175) [system] peek_char((0x55772f068e50), ;)
   Call: (175) [system] char_type(;, space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (176) [system] string((0x55772f068e50))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (177) [system] at_end_of_stream((0x55772f068e50))
   Call: (177) [system] peek_char((0x55772f068e50), _368760)
   Exit: (177) [system] peek_char((0x55772f068e50), ;)
   Call: (177) [system] char_type(;, space)
   Call: (177) [system] _371546=(0x55772f068e50)
   Exit: (177) [system] (0x55772f068e50)=(0x55772f068e50)
^  Call: (177) [user] once((read_position((0x55772f068e50), _373414, _373416, _373418, _373420), read_sexpr((0x55772f068e50), _373432), assertz(metta_file_comment(_373414, _373416, _373418, _373432, _373420))))
^  Call: (179) [user] read_position((0x55772f068e50), _373414, _373416, _373418, _373420)
   Call: (180) [system] stream_property((0x55772f068e50), position(_373420))
   Call: (181) [system] nonvar((0x55772f068e50))
   Exit: (181) [system] nonvar((0x55772f068e50))
   Call: (181) [system] nonvar(position(_373420))
   Exit: (181) [system] nonvar(position(_373420))
   Exit: (180) [system] stream_property((0x55772f068e50), position('$stream_position'(3401, 84, 0, 3401)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(3401, 84, 0, 3401), _373414)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _383672)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(3401, 84, 0, 3401), _373414)
   Exit: (181) [system] arg(2, '$stream_position'(3401, 84, 0, 3401), 84)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(3401, 84, 0, 3401), 84)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(3401, 84, 0, 3401), _373416)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _391106)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(3401, 84, 0, 3401), _373416)
   Exit: (181) [system] arg(3, '$stream_position'(3401, 84, 0, 3401), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(3401, 84, 0, 3401), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(3401, 84, 0, 3401), _373418)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _398540)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(3401, 84, 0, 3401), _373418)
   Exit: (181) [system] arg(1, '$stream_position'(3401, 84, 0, 3401), 3401)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(3401, 84, 0, 3401), 3401)
^  Exit: (179) [user] read_position((0x55772f068e50), 84, 0, 3401, '$stream_position'(3401, 84, 0, 3401))
^  Call: (179) [user] read_sexpr((0x55772f068e50), _373432)
   Call: (180) [system] string((0x55772f068e50))
   Fail: (180) [system] string((0x55772f068e50))
^  Call: (180) [user] cont_sexpr(')', (0x55772f068e50), _373432)
^  Call: (181) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _408766)
   Exit: (182) [system] peek_char((0x55772f068e50), ;)
   Call: (182) [system] (;)=(;)
   Exit: (182) [system] (;)=(;)
^  Call: (182) [user] read_single_line_comment((0x55772f068e50))
^  Call: (183) [user] read_position((0x55772f068e50), _413404, _413406, _413408, _413410)
   Call: (184) [system] stream_property((0x55772f068e50), position(_413410))
   Call: (185) [system] nonvar((0x55772f068e50))
   Exit: (185) [system] nonvar((0x55772f068e50))
   Call: (185) [system] nonvar(position(_413410))
   Exit: (185) [system] nonvar(position(_413410))
   Exit: (184) [system] stream_property((0x55772f068e50), position('$stream_position'(3401, 84, 0, 3401)))
   Call: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(3401, 84, 0, 3401), _413404)
   Call: (185) [system] nonvar(line_count)
   Exit: (185) [system] nonvar(line_count)
   Call: (185) [$syspreds] stream_position_field(line_count, _422698)
   Exit: (185) [$syspreds] stream_position_field(line_count, 2)
   Call: (185) [system] arg(2, '$stream_position'(3401, 84, 0, 3401), _413404)
   Exit: (185) [system] arg(2, '$stream_position'(3401, 84, 0, 3401), 84)
   Exit: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(3401, 84, 0, 3401), 84)
   Call: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(3401, 84, 0, 3401), _413406)
   Call: (185) [system] nonvar(line_position)
   Exit: (185) [system] nonvar(line_position)
   Call: (185) [$syspreds] stream_position_field(line_position, _430132)
   Exit: (185) [$syspreds] stream_position_field(line_position, 3)
   Call: (185) [system] arg(3, '$stream_position'(3401, 84, 0, 3401), _413406)
   Exit: (185) [system] arg(3, '$stream_position'(3401, 84, 0, 3401), 0)
   Exit: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(3401, 84, 0, 3401), 0)
   Call: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(3401, 84, 0, 3401), _413408)
   Call: (185) [system] nonvar(char_count)
   Exit: (185) [system] nonvar(char_count)
   Call: (185) [$syspreds] stream_position_field(char_count, _437566)
   Exit: (185) [$syspreds] stream_position_field(char_count, 1)
   Call: (185) [system] arg(1, '$stream_position'(3401, 84, 0, 3401), _413408)
   Exit: (185) [system] arg(1, '$stream_position'(3401, 84, 0, 3401), 3401)
   Exit: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(3401, 84, 0, 3401), 3401)
^  Exit: (183) [user] read_position((0x55772f068e50), 84, 0, 3401, '$stream_position'(3401, 84, 0, 3401))
   Call: (183) [read_util] read_util:read_line_to_string((0x55772f068e50), _443160)
   Call: (184) [system] read_string((0x55772f068e50), '\n', '\r', _444090, _444092)
   Exit: (184) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";; Quintenary rule")
   Call: (184) [system] 10\== -1
   Exit: (184) [system] 10\== -1
   Call: (184) [system] _443160=";; Quintenary rule"
   Exit: (184) [system] ";; Quintenary rule"=";; Quintenary rule"
   Exit: (183) [read_util] read_util:read_line_to_string((0x55772f068e50), ";; Quintenary rule")
^  Call: (183) [user] assertz(metta_file_comment(84, 0, 3401, '$COMMENT'(";; Quintenary rule", 84, 0), '$stream_position'(3401, 84, 0, 3401)))
^  Exit: (183) [user] assertz(metta_file_comment(84, 0, 3401, '$COMMENT'(";; Quintenary rule", 84, 0), '$stream_position'(3401, 84, 0, 3401)))
^  Exit: (182) [user] read_single_line_comment((0x55772f068e50))
^  Call: (182) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _454352)
   Exit: (183) [system] peek_char((0x55772f068e50), '(')
   Call: (183) [system] '('=(;)
   Fail: (183) [system] '('=(;)
   Call: (183) [system] '('=(/)
   Fail: (183) [system] '('=(/)
^  Call: (183) [user] is_like_space('(')
   Call: (184) [system] char_type('(', 'white')
   Fail: (184) [system] char_type('(', 'white')
   Call: (184) [system] char_type('(', end_of_line)
   Fail: (184) [system] char_type('(', end_of_line)
   Call: (184) [system] char_type('(', space)
   Fail: (184) [system] char_type('(', space)
   Call: (184) [system] char_type('(', cntrl)
   Fail: (184) [system] char_type('(', cntrl)
^  Fail: (183) [user] is_like_space('(')
^  Exit: (182) [user] skip_spaces((0x55772f068e50))
^  Exit: (181) [user] skip_spaces((0x55772f068e50))
   Call: (181) [system] get_char((0x55772f068e50), _471286)
   Exit: (181) [system] get_char((0x55772f068e50), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x55772f068e50), _373432)
^  Call: (182) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _476856)
   Exit: (183) [system] peek_char((0x55772f068e50), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _492866)
   Exit: (182) [system] peek_char((0x55772f068e50), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x55772f068e50), _498436)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _500294)
   Exit: (184) [system] peek_char((0x55772f068e50), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] get_char((0x55772f068e50), _516304)
   Exit: (183) [system] get_char((0x55772f068e50), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x55772f068e50), =, _498436)
^  Call: (184) [user] read_symbolic_cont(')', (0x55772f068e50), _533946)
   Call: (185) [system] peek_char((0x55772f068e50), _534880)
   Exit: (185) [system] peek_char((0x55772f068e50), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _533946=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _498436)
^  Call: (185) [user] classify_and_convert_charseq_([=], _544164)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_545116, _545118), once(user:catch(read_from_chars([=], _544164), _545098, fail)), '$restore_trace'(_545116, _545118))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_545116, _545118))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _545098, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _498436=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x55772f068e50), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x55772f068e50), =)
^  Call: (182) [user] read_list(')', (0x55772f068e50), _557244)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _559102)
   Exit: (184) [system] peek_char((0x55772f068e50), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x55772f068e50), _568696)
   Exit: (184) [system] get_char((0x55772f068e50), ' ')
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _571400)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _588334)
   Exit: (183) [system] peek_char((0x55772f068e50), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x55772f068e50), _593904)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _595762)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] get_char((0x55772f068e50), _611772)
   Exit: (184) [system] get_char((0x55772f068e50), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x55772f068e50), _593904)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _617342)
   Exit: (186) [system] peek_char((0x55772f068e50), s)
   Call: (186) [system] s=(;)
   Fail: (186) [system] s=(;)
   Call: (186) [system] s=(/)
   Fail: (186) [system] s=(/)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Fail: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Fail: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Fail: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
   Fail: (187) [system] char_type(s, cntrl)
^  Fail: (186) [user] is_like_space(s)
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _633352)
   Exit: (185) [system] peek_char((0x55772f068e50), s)
   Call: (185) [system] s=')'
   Fail: (185) [system] s=')'
   Call: (185) [system] s=end_of_file
   Fail: (185) [system] s=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x55772f068e50), _638922)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _640780)
   Exit: (187) [system] peek_char((0x55772f068e50), s)
   Call: (187) [system] s=(;)
   Fail: (187) [system] s=(;)
   Call: (187) [system] s=(/)
   Fail: (187) [system] s=(/)
^  Call: (187) [user] is_like_space(s)
   Call: (188) [system] char_type(s, 'white')
   Fail: (188) [system] char_type(s, 'white')
   Call: (188) [system] char_type(s, end_of_line)
   Fail: (188) [system] char_type(s, end_of_line)
   Call: (188) [system] char_type(s, space)
   Fail: (188) [system] char_type(s, space)
   Call: (188) [system] char_type(s, cntrl)
   Fail: (188) [system] char_type(s, cntrl)
^  Fail: (187) [user] is_like_space(s)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] get_char((0x55772f068e50), _656790)
   Exit: (186) [system] get_char((0x55772f068e50), s)
   Call: (186) [system] s='('
   Fail: (186) [system] s='('
   Call: (186) [system] s='['
   Fail: (186) [system] s='['
   Call: (186) [system] s='{'
   Fail: (186) [system] s='{'
   Call: (186) [system] s='"'
   Fail: (186) [system] s='"'
   Call: (186) [system] s=!
   Fail: (186) [system] s=!
   Call: (186) [system] s='\''
   Fail: (186) [system] s='\''
   Call: (186) [system] s='`'
   Fail: (186) [system] s='`'
   Call: (186) [system] s=end_of_file
   Fail: (186) [system] s=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x55772f068e50), s, _638922)
^  Call: (187) [user] read_symbolic_cont(')', (0x55772f068e50), _674432)
   Call: (188) [system] peek_char((0x55772f068e50), _675366)
   Exit: (188) [system] peek_char((0x55772f068e50), y)
^  Call: (188) [user] is_delimiter(y)
   Call: (189) [system] char_type(y, space)
   Fail: (189) [system] char_type(y, space)
   Call: (189) [system] arg(_680086, v('(', ')', end_of_file), y)
   Fail: (189) [system] arg(_681018, v('(', ')', end_of_file), y)
^  Fail: (188) [user] is_delimiter(y)
   Call: (188) [system] ')'==y
   Fail: (188) [system] ')'==y
   Call: (188) [system] get_char((0x55772f068e50), y)
   Exit: (188) [system] get_char((0x55772f068e50), y)
   Call: (188) [system] y=(\)
   Fail: (188) [system] y=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _688368)
   Call: (189) [system] peek_char((0x55772f068e50), _689302)
   Exit: (189) [system] peek_char((0x55772f068e50), n)
^  Call: (189) [user] is_delimiter(n)
   Call: (190) [system] char_type(n, space)
   Fail: (190) [system] char_type(n, space)
   Call: (190) [system] arg(_694022, v('(', ')', end_of_file), n)
   Fail: (190) [system] arg(_694954, v('(', ')', end_of_file), n)
^  Fail: (189) [user] is_delimiter(n)
   Call: (189) [system] ')'==n
   Fail: (189) [system] ')'==n
   Call: (189) [system] get_char((0x55772f068e50), n)
   Exit: (189) [system] get_char((0x55772f068e50), n)
   Call: (189) [system] n=(\)
   Fail: (189) [system] n=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _702304)
   Call: (190) [system] peek_char((0x55772f068e50), _703238)
   Exit: (190) [system] peek_char((0x55772f068e50), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_707958, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_708890, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x55772f068e50), t)
   Exit: (190) [system] get_char((0x55772f068e50), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _716240)
   Call: (191) [system] peek_char((0x55772f068e50), _717174)
   Exit: (191) [system] peek_char((0x55772f068e50), h)
^  Call: (191) [user] is_delimiter(h)
   Call: (192) [system] char_type(h, space)
   Fail: (192) [system] char_type(h, space)
   Call: (192) [system] arg(_721894, v('(', ')', end_of_file), h)
   Fail: (192) [system] arg(_722826, v('(', ')', end_of_file), h)
^  Fail: (191) [user] is_delimiter(h)
   Call: (191) [system] ')'==h
   Fail: (191) [system] ')'==h
   Call: (191) [system] get_char((0x55772f068e50), h)
   Exit: (191) [system] get_char((0x55772f068e50), h)
   Call: (191) [system] h=(\)
   Fail: (191) [system] h=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _730176)
   Call: (192) [system] peek_char((0x55772f068e50), _731110)
   Exit: (192) [system] peek_char((0x55772f068e50), e)
^  Call: (192) [user] is_delimiter(e)
   Call: (193) [system] char_type(e, space)
   Fail: (193) [system] char_type(e, space)
   Call: (193) [system] arg(_735830, v('(', ')', end_of_file), e)
   Fail: (193) [system] arg(_736762, v('(', ')', end_of_file), e)
^  Fail: (192) [user] is_delimiter(e)
   Call: (192) [system] ')'==e
   Fail: (192) [system] ')'==e
   Call: (192) [system] get_char((0x55772f068e50), e)
   Exit: (192) [system] get_char((0x55772f068e50), e)
   Call: (192) [system] e=(\)
   Fail: (192) [system] e=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _744112)
   Call: (193) [system] peek_char((0x55772f068e50), _745046)
   Exit: (193) [system] peek_char((0x55772f068e50), s)
^  Call: (193) [user] is_delimiter(s)
   Call: (194) [system] char_type(s, space)
   Fail: (194) [system] char_type(s, space)
   Call: (194) [system] arg(_749766, v('(', ')', end_of_file), s)
   Fail: (194) [system] arg(_750698, v('(', ')', end_of_file), s)
^  Fail: (193) [user] is_delimiter(s)
   Call: (193) [system] ')'==s
   Fail: (193) [system] ')'==s
   Call: (193) [system] get_char((0x55772f068e50), s)
   Exit: (193) [system] get_char((0x55772f068e50), s)
   Call: (193) [system] s=(\)
   Fail: (193) [system] s=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _758048)
   Call: (194) [system] peek_char((0x55772f068e50), _758982)
   Exit: (194) [system] peek_char((0x55772f068e50), i)
^  Call: (194) [user] is_delimiter(i)
   Call: (195) [system] char_type(i, space)
   Fail: (195) [system] char_type(i, space)
   Call: (195) [system] arg(_763702, v('(', ')', end_of_file), i)
   Fail: (195) [system] arg(_764634, v('(', ')', end_of_file), i)
^  Fail: (194) [user] is_delimiter(i)
   Call: (194) [system] ')'==i
   Fail: (194) [system] ')'==i
   Call: (194) [system] get_char((0x55772f068e50), i)
   Exit: (194) [system] get_char((0x55772f068e50), i)
   Call: (194) [system] i=(\)
   Fail: (194) [system] i=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _771984)
   Call: (195) [system] peek_char((0x55772f068e50), _772918)
   Exit: (195) [system] peek_char((0x55772f068e50), z)
^  Call: (195) [user] is_delimiter(z)
   Call: (196) [system] char_type(z, space)
   Fail: (196) [system] char_type(z, space)
   Call: (196) [system] arg(_777638, v('(', ')', end_of_file), z)
   Fail: (196) [system] arg(_778570, v('(', ')', end_of_file), z)
^  Fail: (195) [user] is_delimiter(z)
   Call: (195) [system] ')'==z
   Fail: (195) [system] ')'==z
   Call: (195) [system] get_char((0x55772f068e50), z)
   Exit: (195) [system] get_char((0x55772f068e50), z)
   Call: (195) [system] z=(\)
   Fail: (195) [system] z=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _785920)
   Call: (196) [system] peek_char((0x55772f068e50), _786854)
   Exit: (196) [system] peek_char((0x55772f068e50), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Fail: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_791574, v('(', ')', end_of_file), e)
   Fail: (197) [system] arg(_792506, v('(', ')', end_of_file), e)
^  Fail: (196) [user] is_delimiter(e)
   Call: (196) [system] ')'==e
   Fail: (196) [system] ')'==e
   Call: (196) [system] get_char((0x55772f068e50), e)
   Exit: (196) [system] get_char((0x55772f068e50), e)
   Call: (196) [system] e=(\)
   Fail: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _799856)
   Call: (197) [system] peek_char((0x55772f068e50), _800790)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _799856=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (196) [system] _785920=[e]
   Exit: (196) [system] [e]=[e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (195) [system] _771984=[z, e]
   Exit: (195) [system] [z, e]=[z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [z, e])
   Call: (194) [system] _758048=[i, z, e]
   Exit: (194) [system] [i, z, e]=[i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [i, z, e])
   Call: (193) [system] _744112=[s, i, z, e]
   Exit: (193) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [s, i, z, e])
   Call: (192) [system] _730176=[e, s, i, z, e]
   Exit: (192) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [e, s, i, z, e])
   Call: (191) [system] _716240=[h, e, s, i, z, e]
   Exit: (191) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [h, e, s, i, z, e])
   Call: (190) [system] _702304=[t, h, e, s, i, z, e]
   Exit: (190) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [t, h, e, s, i, z, e])
   Call: (189) [system] _688368=[n, t, h, e, s, i, z, e]
   Exit: (189) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, h, e, s, i, z, e])
   Call: (188) [system] _674432=[y, n, t, h, e, s, i, z, e]
   Exit: (188) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (187) [user] read_symbolic_cont(')', (0x55772f068e50), [y, n, t, h, e, s, i, z, e])
^  Call: (187) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _638922)
^  Call: (188) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _835220)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_836172, _836174), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _835220), _836154, fail)), '$restore_trace'(_836172, _836174))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_836172, _836174))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _836154, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(synthesize)
   Exit: (189) [system] atomic(synthesize)
^  Exit: (188) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (188) [system] integer(synthesize)
   Fail: (188) [system] integer(synthesize)
   Call: (188) [system] _638922=synthesize
   Exit: (188) [system] synthesize=synthesize
^  Exit: (187) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (186) [user] read_symbolic(')', (0x55772f068e50), s, synthesize)
^  Exit: (185) [user] cont_sexpr(')', (0x55772f068e50), synthesize)
^  Call: (185) [user] read_list(')', (0x55772f068e50), _848300)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _850158)
   Exit: (187) [system] peek_char((0x55772f068e50), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x55772f068e50), _859752)
   Exit: (187) [system] get_char((0x55772f068e50), ' ')
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _862456)
   Exit: (188) [system] peek_char((0x55772f068e50), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
   Call: (188) [system] ($)=(/)
   Fail: (188) [system] ($)=(/)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _879390)
   Exit: (186) [system] peek_char((0x55772f068e50), $)
   Call: (186) [system] ($)=')'
   Fail: (186) [system] ($)=')'
   Call: (186) [system] ($)=end_of_file
   Fail: (186) [system] ($)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x55772f068e50), _884960)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _886818)
   Exit: (188) [system] peek_char((0x55772f068e50), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
   Call: (188) [system] ($)=(/)
   Fail: (188) [system] ($)=(/)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] get_char((0x55772f068e50), _902828)
   Exit: (187) [system] get_char((0x55772f068e50), $)
   Call: (187) [system] ($)='('
   Fail: (187) [system] ($)='('
   Call: (187) [system] ($)='['
   Fail: (187) [system] ($)='['
   Call: (187) [system] ($)='{'
   Fail: (187) [system] ($)='{'
   Call: (187) [system] ($)='"'
   Fail: (187) [system] ($)='"'
   Call: (187) [system] ($)=!
   Fail: (187) [system] ($)=!
   Call: (187) [system] ($)='\''
   Fail: (187) [system] ($)='\''
   Call: (187) [system] ($)='`'
   Fail: (187) [system] ($)='`'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x55772f068e50), $, _884960)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _920470)
   Call: (189) [system] peek_char((0x55772f068e50), _921404)
   Exit: (189) [system] peek_char((0x55772f068e50), q)
^  Call: (189) [user] is_delimiter(q)
   Call: (190) [system] char_type(q, space)
   Fail: (190) [system] char_type(q, space)
   Call: (190) [system] arg(_926124, v('(', ')', end_of_file), q)
   Fail: (190) [system] arg(_927056, v('(', ')', end_of_file), q)
^  Fail: (189) [user] is_delimiter(q)
   Call: (189) [system] ')'==q
   Fail: (189) [system] ')'==q
   Call: (189) [system] get_char((0x55772f068e50), q)
   Exit: (189) [system] get_char((0x55772f068e50), q)
   Call: (189) [system] q=(\)
   Fail: (189) [system] q=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _934406)
   Call: (190) [system] peek_char((0x55772f068e50), _935340)
   Exit: (190) [system] peek_char((0x55772f068e50), u)
^  Call: (190) [user] is_delimiter(u)
   Call: (191) [system] char_type(u, space)
   Fail: (191) [system] char_type(u, space)
   Call: (191) [system] arg(_940060, v('(', ')', end_of_file), u)
   Fail: (191) [system] arg(_940992, v('(', ')', end_of_file), u)
^  Fail: (190) [user] is_delimiter(u)
   Call: (190) [system] ')'==u
   Fail: (190) [system] ')'==u
   Call: (190) [system] get_char((0x55772f068e50), u)
   Exit: (190) [system] get_char((0x55772f068e50), u)
   Call: (190) [system] u=(\)
   Fail: (190) [system] u=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _948342)
   Call: (191) [system] peek_char((0x55772f068e50), _949276)
   Exit: (191) [system] peek_char((0x55772f068e50), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Fail: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_953996, v('(', ')', end_of_file), e)
   Fail: (192) [system] arg(_954928, v('(', ')', end_of_file), e)
^  Fail: (191) [user] is_delimiter(e)
   Call: (191) [system] ')'==e
   Fail: (191) [system] ')'==e
   Call: (191) [system] get_char((0x55772f068e50), e)
   Exit: (191) [system] get_char((0x55772f068e50), e)
   Call: (191) [system] e=(\)
   Fail: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _962278)
   Call: (192) [system] peek_char((0x55772f068e50), _963212)
   Exit: (192) [system] peek_char((0x55772f068e50), r)
^  Call: (192) [user] is_delimiter(r)
   Call: (193) [system] char_type(r, space)
   Fail: (193) [system] char_type(r, space)
   Call: (193) [system] arg(_967932, v('(', ')', end_of_file), r)
   Fail: (193) [system] arg(_968864, v('(', ')', end_of_file), r)
^  Fail: (192) [user] is_delimiter(r)
   Call: (192) [system] ')'==r
   Fail: (192) [system] ')'==r
   Call: (192) [system] get_char((0x55772f068e50), r)
   Exit: (192) [system] get_char((0x55772f068e50), r)
   Call: (192) [system] r=(\)
   Fail: (192) [system] r=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _976214)
   Call: (193) [system] peek_char((0x55772f068e50), _977148)
   Exit: (193) [system] peek_char((0x55772f068e50), y)
^  Call: (193) [user] is_delimiter(y)
   Call: (194) [system] char_type(y, space)
   Fail: (194) [system] char_type(y, space)
   Call: (194) [system] arg(_981868, v('(', ')', end_of_file), y)
   Fail: (194) [system] arg(_982800, v('(', ')', end_of_file), y)
^  Fail: (193) [user] is_delimiter(y)
   Call: (193) [system] ')'==y
   Fail: (193) [system] ')'==y
   Call: (193) [system] get_char((0x55772f068e50), y)
   Exit: (193) [system] get_char((0x55772f068e50), y)
   Call: (193) [system] y=(\)
   Fail: (193) [system] y=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _990150)
   Call: (194) [system] peek_char((0x55772f068e50), _991084)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _990150=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (193) [system] _976214=[y]
   Exit: (193) [system] [y]=[y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [y])
   Call: (192) [system] _962278=[r, y]
   Exit: (192) [system] [r, y]=[r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [r, y])
   Call: (191) [system] _948342=[e, r, y]
   Exit: (191) [system] [e, r, y]=[e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [e, r, y])
   Call: (190) [system] _934406=[u, e, r, y]
   Exit: (190) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [u, e, r, y])
   Call: (189) [system] _920470=[q, u, e, r, y]
   Exit: (189) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [q, u, e, r, y])
^  Call: (188) [user] classify_and_convert_charseq([$, q, u, e, r, y], _884960)
^  Call: (189) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _1014338)
   Call: (190) [system] atom_chars(_1015270, ['_', q, u, e, r, y])
   Exit: (190) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (189) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (189) [system] integer(_query)
   Fail: (189) [system] integer(_query)
   Call: (189) [system] _884960=_query
   Exit: (189) [system] _query=_query
^  Exit: (188) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (187) [user] read_symbolic(')', (0x55772f068e50), $, _query)
^  Exit: (186) [user] cont_sexpr(')', (0x55772f068e50), _query)
^  Call: (186) [user] read_list(')', (0x55772f068e50), _1024562)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1026420)
   Exit: (188) [system] peek_char((0x55772f068e50), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x55772f068e50), _1036014)
   Exit: (188) [system] get_char((0x55772f068e50), ' ')
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1038718)
   Exit: (189) [system] peek_char((0x55772f068e50), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1055652)
   Exit: (187) [system] peek_char((0x55772f068e50), $)
   Call: (187) [system] ($)=')'
   Fail: (187) [system] ($)=')'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x55772f068e50), _1061222)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1063080)
   Exit: (189) [system] peek_char((0x55772f068e50), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] get_char((0x55772f068e50), _1079090)
   Exit: (188) [system] get_char((0x55772f068e50), $)
   Call: (188) [system] ($)='('
   Fail: (188) [system] ($)='('
   Call: (188) [system] ($)='['
   Fail: (188) [system] ($)='['
   Call: (188) [system] ($)='{'
   Fail: (188) [system] ($)='{'
   Call: (188) [system] ($)='"'
   Fail: (188) [system] ($)='"'
   Call: (188) [system] ($)=!
   Fail: (188) [system] ($)=!
   Call: (188) [system] ($)='\''
   Fail: (188) [system] ($)='\''
   Call: (188) [system] ($)='`'
   Fail: (188) [system] ($)='`'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x55772f068e50), $, _1061222)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _1096732)
   Call: (190) [system] peek_char((0x55772f068e50), _1097666)
   Exit: (190) [system] peek_char((0x55772f068e50), k)
^  Call: (190) [user] is_delimiter(k)
   Call: (191) [system] char_type(k, space)
   Fail: (191) [system] char_type(k, space)
   Call: (191) [system] arg(_1102386, v('(', ')', end_of_file), k)
   Fail: (191) [system] arg(_1103318, v('(', ')', end_of_file), k)
^  Fail: (190) [user] is_delimiter(k)
   Call: (190) [system] ')'==k
   Fail: (190) [system] ')'==k
   Call: (190) [system] get_char((0x55772f068e50), k)
   Exit: (190) [system] get_char((0x55772f068e50), k)
   Call: (190) [system] k=(\)
   Fail: (190) [system] k=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _1110668)
   Call: (191) [system] peek_char((0x55772f068e50), _1111602)
   Exit: (191) [system] peek_char((0x55772f068e50), b)
^  Call: (191) [user] is_delimiter(b)
   Call: (192) [system] char_type(b, space)
   Fail: (192) [system] char_type(b, space)
   Call: (192) [system] arg(_1116322, v('(', ')', end_of_file), b)
   Fail: (192) [system] arg(_1117254, v('(', ')', end_of_file), b)
^  Fail: (191) [user] is_delimiter(b)
   Call: (191) [system] ')'==b
   Fail: (191) [system] ')'==b
   Call: (191) [system] get_char((0x55772f068e50), b)
   Exit: (191) [system] get_char((0x55772f068e50), b)
   Call: (191) [system] b=(\)
   Fail: (191) [system] b=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _1124604)
   Call: (192) [system] peek_char((0x55772f068e50), _1125538)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _1124604=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (191) [system] _1110668=[b]
   Exit: (191) [system] [b]=[b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (190) [system] _1096732=[k, b]
   Exit: (190) [system] [k, b]=[k, b]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [k, b])
^  Call: (189) [user] classify_and_convert_charseq([$, k, b], _1061222)
^  Call: (190) [user] classify_and_convert_charseq_([$, k, b], _1140410)
   Call: (191) [system] atom_chars(_1141342, ['_', k, b])
   Exit: (191) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (190) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (190) [system] integer(_kb)
   Fail: (190) [system] integer(_kb)
   Call: (190) [system] _1061222=_kb
   Exit: (190) [system] _kb=_kb
^  Exit: (189) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (188) [user] read_symbolic(')', (0x55772f068e50), $, _kb)
^  Exit: (187) [user] cont_sexpr(')', (0x55772f068e50), _kb)
^  Call: (187) [user] read_list(')', (0x55772f068e50), _1150634)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1152492)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x55772f068e50), _1162086)
   Exit: (189) [system] get_char((0x55772f068e50), ' ')
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1164790)
   Exit: (190) [system] peek_char((0x55772f068e50), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1181724)
   Exit: (188) [system] peek_char((0x55772f068e50), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x55772f068e50), _1187294)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1189152)
   Exit: (190) [system] peek_char((0x55772f068e50), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] get_char((0x55772f068e50), _1205162)
   Exit: (189) [system] get_char((0x55772f068e50), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x55772f068e50), $, _1187294)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _1222804)
   Call: (191) [system] peek_char((0x55772f068e50), _1223738)
   Exit: (191) [system] peek_char((0x55772f068e50), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_1228458, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_1229390, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x55772f068e50), r)
   Exit: (191) [system] get_char((0x55772f068e50), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _1236740)
   Call: (192) [system] peek_char((0x55772f068e50), _1237674)
   Exit: (192) [system] peek_char((0x55772f068e50), b)
^  Call: (192) [user] is_delimiter(b)
   Call: (193) [system] char_type(b, space)
   Fail: (193) [system] char_type(b, space)
   Call: (193) [system] arg(_1242394, v('(', ')', end_of_file), b)
   Fail: (193) [system] arg(_1243326, v('(', ')', end_of_file), b)
^  Fail: (192) [user] is_delimiter(b)
   Call: (192) [system] ')'==b
   Fail: (192) [system] ')'==b
   Call: (192) [system] get_char((0x55772f068e50), b)
   Exit: (192) [system] get_char((0x55772f068e50), b)
   Call: (192) [system] b=(\)
   Fail: (192) [system] b=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _1250676)
   Call: (193) [system] peek_char((0x55772f068e50), _1251610)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
^  Call: (193) [user] is_delimiter(' ')
   Call: (194) [system] char_type(' ', space)
   Exit: (194) [system] char_type(' ', space)
^  Exit: (193) [user] is_delimiter(' ')
   Call: (193) [system] _1250676=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (192) [system] _1236740=[b]
   Exit: (192) [system] [b]=[b]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (191) [system] _1222804=[r, b]
   Exit: (191) [system] [r, b]=[r, b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [r, b])
^  Call: (190) [user] classify_and_convert_charseq([$, r, b], _1187294)
^  Call: (191) [user] classify_and_convert_charseq_([$, r, b], _1266482)
   Call: (192) [system] atom_chars(_1267414, ['_', r, b])
   Exit: (192) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (191) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (191) [system] integer(_rb)
   Fail: (191) [system] integer(_rb)
   Call: (191) [system] _1187294=_rb
   Exit: (191) [system] _rb=_rb
^  Exit: (190) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (189) [user] read_symbolic(')', (0x55772f068e50), $, _rb)
^  Exit: (188) [user] cont_sexpr(')', (0x55772f068e50), _rb)
^  Call: (188) [user] read_list(')', (0x55772f068e50), _1276706)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1278564)
   Exit: (190) [system] peek_char((0x55772f068e50), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x55772f068e50), _1288158)
   Exit: (190) [system] get_char((0x55772f068e50), ' ')
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1290862)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1307796)
   Exit: (189) [system] peek_char((0x55772f068e50), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x55772f068e50), _1313366)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1315224)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] get_char((0x55772f068e50), _1331234)
   Exit: (190) [system] get_char((0x55772f068e50), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x55772f068e50), _1313366)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1336804)
   Exit: (192) [system] peek_char((0x55772f068e50), 'S')
   Call: (192) [system] 'S'=(;)
   Fail: (192) [system] 'S'=(;)
   Call: (192) [system] 'S'=(/)
   Fail: (192) [system] 'S'=(/)
^  Call: (192) [user] is_like_space('S')
   Call: (193) [system] char_type('S', 'white')
   Fail: (193) [system] char_type('S', 'white')
   Call: (193) [system] char_type('S', end_of_line)
   Fail: (193) [system] char_type('S', end_of_line)
   Call: (193) [system] char_type('S', space)
   Fail: (193) [system] char_type('S', space)
   Call: (193) [system] char_type('S', cntrl)
   Fail: (193) [system] char_type('S', cntrl)
^  Fail: (192) [user] is_like_space('S')
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1352814)
   Exit: (191) [system] peek_char((0x55772f068e50), 'S')
   Call: (191) [system] 'S'=')'
   Fail: (191) [system] 'S'=')'
   Call: (191) [system] 'S'=end_of_file
   Fail: (191) [system] 'S'=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x55772f068e50), _1358384)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1360242)
   Exit: (193) [system] peek_char((0x55772f068e50), 'S')
   Call: (193) [system] 'S'=(;)
   Fail: (193) [system] 'S'=(;)
   Call: (193) [system] 'S'=(/)
   Fail: (193) [system] 'S'=(/)
^  Call: (193) [user] is_like_space('S')
   Call: (194) [system] char_type('S', 'white')
   Fail: (194) [system] char_type('S', 'white')
   Call: (194) [system] char_type('S', end_of_line)
   Fail: (194) [system] char_type('S', end_of_line)
   Call: (194) [system] char_type('S', space)
   Fail: (194) [system] char_type('S', space)
   Call: (194) [system] char_type('S', cntrl)
   Fail: (194) [system] char_type('S', cntrl)
^  Fail: (193) [user] is_like_space('S')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] get_char((0x55772f068e50), _1376252)
   Exit: (192) [system] get_char((0x55772f068e50), 'S')
   Call: (192) [system] 'S'='('
   Fail: (192) [system] 'S'='('
   Call: (192) [system] 'S'='['
   Fail: (192) [system] 'S'='['
   Call: (192) [system] 'S'='{'
   Fail: (192) [system] 'S'='{'
   Call: (192) [system] 'S'='"'
   Fail: (192) [system] 'S'='"'
   Call: (192) [system] 'S'=!
   Fail: (192) [system] 'S'=!
   Call: (192) [system] 'S'='\''
   Fail: (192) [system] 'S'='\''
   Call: (192) [system] 'S'='`'
   Fail: (192) [system] 'S'='`'
   Call: (192) [system] 'S'=end_of_file
   Fail: (192) [system] 'S'=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x55772f068e50), 'S', _1358384)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _1393894)
   Call: (194) [system] peek_char((0x55772f068e50), _1394828)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1393894=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (193) [user] classify_and_convert_charseq(['S'], _1358384)
^  Call: (194) [user] classify_and_convert_charseq_(['S'], _1404112)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1405064, _1405066), once(user:catch(read_from_chars(['S'], _1404112), _1405046, fail)), '$restore_trace'(_1405064, _1405066))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1405064, _1405066))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _1404112), _1405046, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(_1404112)
   Fail: (195) [system] atomic(_1404112)
   Call: (195) [system] atom_chars(_1404112, ['S'])
   Exit: (195) [system] atom_chars('S', ['S'])
^  Exit: (194) [user] classify_and_convert_charseq_(['S'], 'S')
   Call: (194) [system] integer('S')
   Fail: (194) [system] integer('S')
   Call: (194) [system] _1358384='S'
   Exit: (194) [system] 'S'='S'
^  Exit: (193) [user] classify_and_convert_charseq(['S'], 'S')
^  Exit: (192) [user] read_symbolic(')', (0x55772f068e50), 'S', 'S')
^  Exit: (191) [user] cont_sexpr(')', (0x55772f068e50), 'S')
^  Call: (191) [user] read_list(')', (0x55772f068e50), _1419062)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1420920)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _1430514)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1433218)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1450152)
   Exit: (192) [system] peek_char((0x55772f068e50), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _1455722)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1457580)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _1473590)
   Exit: (193) [system] get_char((0x55772f068e50), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x55772f068e50), $, _1455722)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _1491232)
   Call: (195) [system] peek_char((0x55772f068e50), _1492166)
   Exit: (195) [system] peek_char((0x55772f068e50), k)
^  Call: (195) [user] is_delimiter(k)
   Call: (196) [system] char_type(k, space)
   Fail: (196) [system] char_type(k, space)
   Call: (196) [system] arg(_1496886, v('(', ')', end_of_file), k)
   Fail: (196) [system] arg(_1497818, v('(', ')', end_of_file), k)
^  Fail: (195) [user] is_delimiter(k)
   Call: (195) [system] ')'==k
   Fail: (195) [system] ')'==k
   Call: (195) [system] get_char((0x55772f068e50), k)
   Exit: (195) [system] get_char((0x55772f068e50), k)
   Call: (195) [system] k=(\)
   Fail: (195) [system] k=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _1505168)
   Call: (196) [system] peek_char((0x55772f068e50), _1506102)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_1510822, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _1505168=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (195) [system] _1491232=[k]
   Exit: (195) [system] [k]=[k]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
^  Call: (194) [user] classify_and_convert_charseq([$, k], _1455722)
^  Call: (195) [user] classify_and_convert_charseq_([$, k], _1520052)
   Call: (196) [system] atom_chars(_1520984, ['_', k])
   Exit: (196) [system] atom_chars('_k', ['_', k])
^  Exit: (195) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (195) [system] integer(_k)
   Fail: (195) [system] integer(_k)
   Call: (195) [system] _1455722=_k
   Exit: (195) [system] _k=_k
^  Exit: (194) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (193) [user] read_symbolic(')', (0x55772f068e50), $, _k)
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), _k)
^  Call: (192) [user] read_list(')', (0x55772f068e50), _1530276)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1532134)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1548144)
   Exit: (193) [system] peek_char((0x55772f068e50), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x55772f068e50), _1551934)
   Exit: (193) [system] get_char((0x55772f068e50), ')')
   Call: (193) [system] _1530276=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [])
   Call: (192) [system] _1419062=[_k]
   Exit: (192) [system] [_k]=[_k]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [_k])
   Call: (191) [system] _1313366=['S', _k]
   Exit: (191) [system] ['S', _k]=['S', _k]
^  Exit: (190) [user] read_list(')', (0x55772f068e50), ['S', _k])
^  Exit: (189) [user] cont_sexpr(')', (0x55772f068e50), ['S', _k])
^  Call: (189) [user] read_list(')', (0x55772f068e50), _1563022)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1564880)
   Exit: (191) [system] peek_char((0x55772f068e50), ')')
   Call: (191) [system] ')'=(;)
   Fail: (191) [system] ')'=(;)
   Call: (191) [system] ')'=(/)
   Fail: (191) [system] ')'=(/)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Fail: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Fail: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
   Fail: (192) [system] char_type(')', cntrl)
^  Fail: (191) [user] is_like_space(')')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1580890)
   Exit: (190) [system] peek_char((0x55772f068e50), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x55772f068e50), _1584680)
   Exit: (190) [system] get_char((0x55772f068e50), ')')
   Call: (190) [system] _1563022=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x55772f068e50), [])
   Call: (189) [system] _1276706=[['S', _k]]
   Exit: (189) [system] [['S', _k]]=[['S', _k]]
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [['S', _k]])
   Call: (188) [system] _1150634=[_rb, ['S', _k]]
   Exit: (188) [system] [_rb, ['S', _k]]=[_rb, ['S', _k]]
^  Exit: (187) [user] read_list(')', (0x55772f068e50), [_rb, ['S', _k]])
   Call: (187) [system] _1024562=[_kb, _rb, ['S', _k]]
   Exit: (187) [system] [_kb, _rb, ['S', _k]]=[_kb, _rb, ['S', _k]]
^  Exit: (186) [user] read_list(')', (0x55772f068e50), [_kb, _rb, ['S', _k]])
   Call: (186) [system] _848300=[_query, _kb, _rb, ['S', _k]]
   Exit: (186) [system] [_query, _kb, _rb, ['S', _k]]=[_query, _kb, _rb, ['S', _k]]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [_query, _kb, _rb, ['S', _k]])
   Call: (185) [system] _593904=[synthesize, _query, _kb, _rb, ['S', _k]]
   Exit: (185) [system] [synthesize, _query, _kb, _rb, ['S', _k]]=[synthesize, _query, _kb, _rb, ['S', _k]]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Exit: (183) [user] cont_sexpr(')', (0x55772f068e50), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (183) [user] read_list(')', (0x55772f068e50), _1604150)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1606008)
   Exit: (185) [system] peek_char((0x55772f068e50), '\n')
   Call: (185) [system] '\n'=(;)
   Fail: (185) [system] '\n'=(;)
   Call: (185) [system] '\n'=(/)
   Fail: (185) [system] '\n'=(/)
^  Call: (185) [user] is_like_space('\n')
   Call: (186) [system] char_type('\n', 'white')
   Fail: (186) [system] char_type('\n', 'white')
   Call: (186) [system] char_type('\n', end_of_line)
   Exit: (186) [system] char_type('\n', end_of_line)
^  Exit: (185) [user] is_like_space('\n')
   Call: (185) [system] get_char((0x55772f068e50), _1617458)
   Exit: (185) [system] get_char((0x55772f068e50), '\n')
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1620162)
   Exit: (186) [system] peek_char((0x55772f068e50), ' ')
   Call: (186) [system] ' '=(;)
   Fail: (186) [system] ' '=(;)
   Call: (186) [system] ' '=(/)
   Fail: (186) [system] ' '=(/)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x55772f068e50), _1629756)
   Exit: (186) [system] get_char((0x55772f068e50), ' ')
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1632460)
   Exit: (187) [system] peek_char((0x55772f068e50), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x55772f068e50), _1642054)
   Exit: (187) [system] get_char((0x55772f068e50), ' ')
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1644758)
   Exit: (188) [system] peek_char((0x55772f068e50), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x55772f068e50), _1654352)
   Exit: (188) [system] get_char((0x55772f068e50), ' ')
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1657056)
   Exit: (189) [system] peek_char((0x55772f068e50), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _1676762)
   Exit: (184) [system] peek_char((0x55772f068e50), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x55772f068e50), _1682332)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1684190)
   Exit: (186) [system] peek_char((0x55772f068e50), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] get_char((0x55772f068e50), _1700200)
   Exit: (185) [system] get_char((0x55772f068e50), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x55772f068e50), _1682332)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1705770)
   Exit: (187) [system] peek_char((0x55772f068e50), l)
   Call: (187) [system] l=(;)
   Fail: (187) [system] l=(;)
   Call: (187) [system] l=(/)
   Fail: (187) [system] l=(/)
^  Call: (187) [user] is_like_space(l)
   Call: (188) [system] char_type(l, 'white')
   Fail: (188) [system] char_type(l, 'white')
   Call: (188) [system] char_type(l, end_of_line)
   Fail: (188) [system] char_type(l, end_of_line)
   Call: (188) [system] char_type(l, space)
   Fail: (188) [system] char_type(l, space)
   Call: (188) [system] char_type(l, cntrl)
   Fail: (188) [system] char_type(l, cntrl)
^  Fail: (187) [user] is_like_space(l)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1721780)
   Exit: (186) [system] peek_char((0x55772f068e50), l)
   Call: (186) [system] l=')'
   Fail: (186) [system] l=')'
   Call: (186) [system] l=end_of_file
   Fail: (186) [system] l=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x55772f068e50), _1727350)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1729208)
   Exit: (188) [system] peek_char((0x55772f068e50), l)
   Call: (188) [system] l=(;)
   Fail: (188) [system] l=(;)
   Call: (188) [system] l=(/)
   Fail: (188) [system] l=(/)
^  Call: (188) [user] is_like_space(l)
   Call: (189) [system] char_type(l, 'white')
   Fail: (189) [system] char_type(l, 'white')
   Call: (189) [system] char_type(l, end_of_line)
   Fail: (189) [system] char_type(l, end_of_line)
   Call: (189) [system] char_type(l, space)
   Fail: (189) [system] char_type(l, space)
   Call: (189) [system] char_type(l, cntrl)
   Fail: (189) [system] char_type(l, cntrl)
^  Fail: (188) [user] is_like_space(l)
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] get_char((0x55772f068e50), _1745218)
   Exit: (187) [system] get_char((0x55772f068e50), l)
   Call: (187) [system] l='('
   Fail: (187) [system] l='('
   Call: (187) [system] l='['
   Fail: (187) [system] l='['
   Call: (187) [system] l='{'
   Fail: (187) [system] l='{'
   Call: (187) [system] l='"'
   Fail: (187) [system] l='"'
   Call: (187) [system] l=!
   Fail: (187) [system] l=!
   Call: (187) [system] l='\''
   Fail: (187) [system] l='\''
   Call: (187) [system] l='`'
   Fail: (187) [system] l='`'
   Call: (187) [system] l=end_of_file
   Fail: (187) [system] l=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x55772f068e50), l, _1727350)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _1762860)
   Call: (189) [system] peek_char((0x55772f068e50), _1763794)
   Exit: (189) [system] peek_char((0x55772f068e50), e)
^  Call: (189) [user] is_delimiter(e)
   Call: (190) [system] char_type(e, space)
   Fail: (190) [system] char_type(e, space)
   Call: (190) [system] arg(_1768514, v('(', ')', end_of_file), e)
   Fail: (190) [system] arg(_1769446, v('(', ')', end_of_file), e)
^  Fail: (189) [user] is_delimiter(e)
   Call: (189) [system] ')'==e
   Fail: (189) [system] ')'==e
   Call: (189) [system] get_char((0x55772f068e50), e)
   Exit: (189) [system] get_char((0x55772f068e50), e)
   Call: (189) [system] e=(\)
   Fail: (189) [system] e=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _1776796)
   Call: (190) [system] peek_char((0x55772f068e50), _1777730)
   Exit: (190) [system] peek_char((0x55772f068e50), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_1782450, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_1783382, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x55772f068e50), t)
   Exit: (190) [system] get_char((0x55772f068e50), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _1790732)
   Call: (191) [system] peek_char((0x55772f068e50), _1791666)
   Exit: (191) [system] peek_char((0x55772f068e50), *)
^  Call: (191) [user] is_delimiter(*)
   Call: (192) [system] char_type(*, space)
   Fail: (192) [system] char_type(*, space)
   Call: (192) [system] arg(_1796386, v('(', ')', end_of_file), *)
   Fail: (192) [system] arg(_1797318, v('(', ')', end_of_file), *)
^  Fail: (191) [user] is_delimiter(*)
   Call: (191) [system] ')'==(*)
   Fail: (191) [system] ')'==(*)
   Call: (191) [system] get_char((0x55772f068e50), *)
   Exit: (191) [system] get_char((0x55772f068e50), *)
   Call: (191) [system] (*)=(\)
   Fail: (191) [system] (*)=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _1804668)
   Call: (192) [system] peek_char((0x55772f068e50), _1805602)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _1804668=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (191) [system] _1790732=[*]
   Exit: (191) [system] [*]=[*]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [*])
   Call: (190) [system] _1776796=[t, *]
   Exit: (190) [system] [t, *]=[t, *]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [t, *])
   Call: (189) [system] _1762860=[e, t, *]
   Exit: (189) [system] [e, t, *]=[e, t, *]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [e, t, *])
^  Call: (188) [user] classify_and_convert_charseq([l, e, t, *], _1727350)
^  Call: (189) [user] classify_and_convert_charseq_([l, e, t, *], _1823268)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1824220, _1824222), once(user:catch(read_from_chars([l, e, t, *], _1823268), _1824202, fail)), '$restore_trace'(_1824220, _1824222))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1824220, _1824222))
   Call: (190) [system] atom_chars(_3466, [l, e, t, *])
   Exit: (190) [system] atom_chars('let*', [l, e, t, *])
^  Exit: (189) [user] classify_and_convert_charseq_([l, e, t, *], 'let*')
   Call: (189) [system] integer('let*')
   Fail: (189) [system] integer('let*')
   Call: (189) [system] _3436='let*'
   Exit: (189) [system] 'let*'='let*'
^  Exit: (188) [user] classify_and_convert_charseq([l, e, t, *], 'let*')
^  Exit: (187) [user] read_symbolic(')', (0x55772f068e50), l, 'let*')
^  Exit: (186) [user] cont_sexpr(')', (0x55772f068e50), 'let*')
^  Call: (186) [user] read_list(')', (0x55772f068e50), _12832)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _14690)
   Exit: (188) [system] peek_char((0x55772f068e50), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x55772f068e50), _24284)
   Exit: (188) [system] get_char((0x55772f068e50), ' ')
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _26988)
   Exit: (189) [system] peek_char((0x55772f068e50), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _43922)
   Exit: (187) [system] peek_char((0x55772f068e50), '(')
   Call: (187) [system] '('=')'
   Fail: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
   Fail: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x55772f068e50), _49492)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _51350)
   Exit: (189) [system] peek_char((0x55772f068e50), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] get_char((0x55772f068e50), _67360)
   Exit: (188) [system] get_char((0x55772f068e50), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x55772f068e50), _49492)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _72930)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _88940)
   Exit: (189) [system] peek_char((0x55772f068e50), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x55772f068e50), _94510)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _96368)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] get_char((0x55772f068e50), _112378)
   Exit: (190) [system] get_char((0x55772f068e50), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x55772f068e50), _94510)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _117948)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _133958)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x55772f068e50), _139528)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _141386)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] get_char((0x55772f068e50), _157396)
   Exit: (192) [system] get_char((0x55772f068e50), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x55772f068e50), _139528)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _162966)
   Exit: (194) [system] peek_char((0x55772f068e50), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _178976)
   Exit: (193) [system] peek_char((0x55772f068e50), :)
   Call: (193) [system] (:)=')'
   Fail: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _184546)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _186404)
   Exit: (195) [system] peek_char((0x55772f068e50), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _202414)
   Exit: (194) [system] get_char((0x55772f068e50), :)
   Call: (194) [system] (:)='('
   Fail: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Fail: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Fail: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Fail: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Fail: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Fail: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Fail: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x55772f068e50), :, _184546)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _220056)
   Call: (196) [system] peek_char((0x55772f068e50), _220990)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _220056=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (195) [user] classify_and_convert_charseq([:], _184546)
^  Call: (196) [user] classify_and_convert_charseq_([:], _230274)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_231226, _231228), once(user:catch(read_from_chars([:], _230274), _231208, fail)), '$restore_trace'(_231226, _231228))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_231226, _231228))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _231208, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq_([:], :)
   Call: (196) [system] integer(:)
   Fail: (196) [system] integer(:)
   Call: (196) [system] _184546=(:)
   Exit: (196) [system] (:)=(:)
^  Exit: (195) [user] classify_and_convert_charseq([:], :)
^  Exit: (194) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (193) [user] read_list(')', (0x55772f068e50), _243354)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _245212)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _254806)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _257510)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _274444)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _280014)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _281872)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _297882)
   Exit: (195) [system] get_char((0x55772f068e50), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x55772f068e50), $, _280014)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _315524)
   Call: (197) [system] peek_char((0x55772f068e50), _316458)
   Exit: (197) [system] peek_char((0x55772f068e50), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_321178, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_322110, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x55772f068e50), r)
   Exit: (197) [system] get_char((0x55772f068e50), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _329460)
   Call: (198) [system] peek_char((0x55772f068e50), _330394)
   Exit: (198) [system] peek_char((0x55772f068e50), u)
^  Call: (198) [user] is_delimiter(u)
   Call: (199) [system] char_type(u, space)
   Fail: (199) [system] char_type(u, space)
   Call: (199) [system] arg(_335114, v('(', ')', end_of_file), u)
   Fail: (199) [system] arg(_336046, v('(', ')', end_of_file), u)
^  Fail: (198) [user] is_delimiter(u)
   Call: (198) [system] ')'==u
   Fail: (198) [system] ')'==u
   Call: (198) [system] get_char((0x55772f068e50), u)
   Exit: (198) [system] get_char((0x55772f068e50), u)
   Call: (198) [system] u=(\)
   Fail: (198) [system] u=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _343396)
   Call: (199) [system] peek_char((0x55772f068e50), _344330)
   Exit: (199) [system] peek_char((0x55772f068e50), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_349050, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_349982, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x55772f068e50), c)
   Exit: (199) [system] get_char((0x55772f068e50), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _357332)
   Call: (200) [system] peek_char((0x55772f068e50), _358266)
   Exit: (200) [system] peek_char((0x55772f068e50), t)
^  Call: (200) [user] is_delimiter(t)
   Call: (201) [system] char_type(t, space)
   Fail: (201) [system] char_type(t, space)
   Call: (201) [system] arg(_362986, v('(', ')', end_of_file), t)
   Fail: (201) [system] arg(_363918, v('(', ')', end_of_file), t)
^  Fail: (200) [user] is_delimiter(t)
   Call: (200) [system] ')'==t
   Fail: (200) [system] ')'==t
   Call: (200) [system] get_char((0x55772f068e50), t)
   Exit: (200) [system] get_char((0x55772f068e50), t)
   Call: (200) [system] t=(\)
   Fail: (200) [system] t=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _371268)
   Call: (201) [system] peek_char((0x55772f068e50), _372202)
   Exit: (201) [system] peek_char((0x55772f068e50), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_376922, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_377854, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x55772f068e50), o)
   Exit: (201) [system] get_char((0x55772f068e50), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _385204)
   Call: (202) [system] peek_char((0x55772f068e50), _386138)
   Exit: (202) [system] peek_char((0x55772f068e50), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_390858, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_391790, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x55772f068e50), r)
   Exit: (202) [system] get_char((0x55772f068e50), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _399140)
   Call: (203) [system] peek_char((0x55772f068e50), _400074)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _399140=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (202) [system] _385204=[r]
   Exit: (202) [system] [r]=[r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [r])
   Call: (201) [system] _371268=[o, r]
   Exit: (201) [system] [o, r]=[o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [o, r])
   Call: (200) [system] _357332=[t, o, r]
   Exit: (200) [system] [t, o, r]=[t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [t, o, r])
   Call: (199) [system] _343396=[c, t, o, r]
   Exit: (199) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, o, r])
   Call: (198) [system] _329460=[u, c, t, o, r]
   Exit: (198) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, o, r])
   Call: (197) [system] _315524=[r, u, c, t, o, r]
   Exit: (197) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [r, u, c, t, o, r])
^  Call: (196) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _280014)
^  Call: (197) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _426122)
   Call: (198) [system] atom_chars(_427054, ['_', r, u, c, t, o, r])
   Exit: (198) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (197) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _ructor)
   Call: (197) [system] integer(_ructor)
   Fail: (197) [system] integer(_ructor)
   Call: (197) [system] _280014=_ructor
   Exit: (197) [system] _ructor=_ructor
^  Exit: (196) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _ructor)
^  Exit: (195) [user] read_symbolic(')', (0x55772f068e50), $, _ructor)
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), _ructor)
^  Call: (194) [user] read_list(')', (0x55772f068e50), _436346)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _438204)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _447798)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _450502)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _467436)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _473006)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _474864)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _490874)
   Exit: (196) [system] get_char((0x55772f068e50), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x55772f068e50), _473006)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _496444)
   Exit: (198) [system] peek_char((0x55772f068e50), -)
   Call: (198) [system] (-)=(;)
   Fail: (198) [system] (-)=(;)
   Call: (198) [system] (-)=(/)
   Fail: (198) [system] (-)=(/)
^  Call: (198) [user] is_like_space(-)
   Call: (199) [system] char_type(-, 'white')
   Fail: (199) [system] char_type(-, 'white')
   Call: (199) [system] char_type(-, end_of_line)
   Fail: (199) [system] char_type(-, end_of_line)
   Call: (199) [system] char_type(-, space)
   Fail: (199) [system] char_type(-, space)
   Call: (199) [system] char_type(-, cntrl)
   Fail: (199) [system] char_type(-, cntrl)
^  Fail: (198) [user] is_like_space(-)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _512454)
   Exit: (197) [system] peek_char((0x55772f068e50), -)
   Call: (197) [system] (-)=')'
   Fail: (197) [system] (-)=')'
   Call: (197) [system] (-)=end_of_file
   Fail: (197) [system] (-)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _518024)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _519882)
   Exit: (199) [system] peek_char((0x55772f068e50), -)
   Call: (199) [system] (-)=(;)
   Fail: (199) [system] (-)=(;)
   Call: (199) [system] (-)=(/)
   Fail: (199) [system] (-)=(/)
^  Call: (199) [user] is_like_space(-)
   Call: (200) [system] char_type(-, 'white')
   Fail: (200) [system] char_type(-, 'white')
   Call: (200) [system] char_type(-, end_of_line)
   Fail: (200) [system] char_type(-, end_of_line)
   Call: (200) [system] char_type(-, space)
   Fail: (200) [system] char_type(-, space)
   Call: (200) [system] char_type(-, cntrl)
   Fail: (200) [system] char_type(-, cntrl)
^  Fail: (199) [user] is_like_space(-)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _535892)
   Exit: (198) [system] get_char((0x55772f068e50), -)
   Call: (198) [system] (-)='('
   Fail: (198) [system] (-)='('
   Call: (198) [system] (-)='['
   Fail: (198) [system] (-)='['
   Call: (198) [system] (-)='{'
   Fail: (198) [system] (-)='{'
   Call: (198) [system] (-)='"'
   Fail: (198) [system] (-)='"'
   Call: (198) [system] (-)=!
   Fail: (198) [system] (-)=!
   Call: (198) [system] (-)='\''
   Fail: (198) [system] (-)='\''
   Call: (198) [system] (-)='`'
   Fail: (198) [system] (-)='`'
   Call: (198) [system] (-)=end_of_file
   Fail: (198) [system] (-)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x55772f068e50), -, _518024)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _553534)
   Call: (200) [system] peek_char((0x55772f068e50), _554468)
   Exit: (200) [system] peek_char((0x55772f068e50), >)
^  Call: (200) [user] is_delimiter(>)
   Call: (201) [system] char_type(>, space)
   Fail: (201) [system] char_type(>, space)
   Call: (201) [system] arg(_559188, v('(', ')', end_of_file), >)
   Fail: (201) [system] arg(_560120, v('(', ')', end_of_file), >)
^  Fail: (200) [user] is_delimiter(>)
   Call: (200) [system] ')'==(>)
   Fail: (200) [system] ')'==(>)
   Call: (200) [system] get_char((0x55772f068e50), >)
   Exit: (200) [system] get_char((0x55772f068e50), >)
   Call: (200) [system] (>)=(\)
   Fail: (200) [system] (>)=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _567470)
   Call: (201) [system] peek_char((0x55772f068e50), _568404)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _567470=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (200) [system] _553534=[>]
   Exit: (200) [system] [>]=[>]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [>])
^  Call: (199) [user] classify_and_convert_charseq([-, >], _518024)
^  Call: (200) [user] classify_and_convert_charseq_([-, >], _580482)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_581434, _581436), once(user:catch(read_from_chars([-, >], _580482), _581416, fail)), '$restore_trace'(_581434, _581436))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_581434, _581436))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _581416, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(->)
   Exit: (201) [system] atomic(->)
^  Exit: (200) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (200) [system] integer(->)
   Fail: (200) [system] integer(->)
   Call: (200) [system] _518024=(->)
   Exit: (200) [system] (->)=(->)
^  Exit: (199) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (198) [user] read_symbolic(')', (0x55772f068e50), -, ->)
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), ->)
^  Call: (197) [user] read_list(')', (0x55772f068e50), _593562)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _595420)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _605014)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _607718)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _624652)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _630222)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _632080)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _648090)
   Exit: (199) [system] get_char((0x55772f068e50), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x55772f068e50), $, _630222)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _665732)
   Call: (201) [system] peek_char((0x55772f068e50), _666666)
   Exit: (201) [system] peek_char((0x55772f068e50), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_671386, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_672318, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x55772f068e50), p)
   Exit: (201) [system] get_char((0x55772f068e50), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _679668)
   Call: (202) [system] peek_char((0x55772f068e50), _680602)
   Exit: (202) [system] peek_char((0x55772f068e50), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_685322, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_686254, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x55772f068e50), r)
   Exit: (202) [system] get_char((0x55772f068e50), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _693604)
   Call: (203) [system] peek_char((0x55772f068e50), _694538)
   Exit: (203) [system] peek_char((0x55772f068e50), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_699258, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_700190, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x55772f068e50), e)
   Exit: (203) [system] get_char((0x55772f068e50), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _707540)
   Call: (204) [system] peek_char((0x55772f068e50), _708474)
   Exit: (204) [system] peek_char((0x55772f068e50), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_713194, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_714126, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x55772f068e50), m)
   Exit: (204) [system] get_char((0x55772f068e50), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _721476)
   Call: (205) [system] peek_char((0x55772f068e50), _722410)
   Exit: (205) [system] peek_char((0x55772f068e50), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_727130, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_728062, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x55772f068e50), i)
   Exit: (205) [system] get_char((0x55772f068e50), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _735412)
   Call: (206) [system] peek_char((0x55772f068e50), _736346)
   Exit: (206) [system] peek_char((0x55772f068e50), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_741066, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_741998, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x55772f068e50), s)
   Exit: (206) [system] get_char((0x55772f068e50), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _749348)
   Call: (207) [system] peek_char((0x55772f068e50), _750282)
   Exit: (207) [system] peek_char((0x55772f068e50), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_755002, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_755934, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x55772f068e50), e)
   Exit: (207) [system] get_char((0x55772f068e50), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _763284)
   Call: (208) [system] peek_char((0x55772f068e50), _764218)
   Exit: (208) [system] peek_char((0x55772f068e50), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Fail: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_768938, v('(', ')', end_of_file), '1')
   Fail: (209) [system] arg(_769870, v('(', ')', end_of_file), '1')
^  Fail: (208) [user] is_delimiter('1')
   Call: (208) [system] ')'=='1'
   Fail: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x55772f068e50), '1')
   Exit: (208) [system] get_char((0x55772f068e50), '1')
   Call: (208) [system] '1'=(\)
   Fail: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _777220)
   Call: (209) [system] peek_char((0x55772f068e50), _778154)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _777220=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (208) [system] _763284=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), ['1'])
   Call: (207) [system] _749348=[e, '1']
   Exit: (207) [system] [e, '1']=[e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '1'])
   Call: (206) [system] _735412=[s, e, '1']
   Exit: (206) [system] [s, e, '1']=[s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '1'])
   Call: (205) [system] _721476=[i, s, e, '1']
   Exit: (205) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '1'])
   Call: (204) [system] _707540=[m, i, s, e, '1']
   Exit: (204) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '1'])
   Call: (203) [system] _693604=[e, m, i, s, e, '1']
   Exit: (203) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '1'])
   Call: (202) [system] _679668=[r, e, m, i, s, e, '1']
   Exit: (202) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '1'])
   Call: (201) [system] _665732=[p, r, e, m, i, s, e, '1']
   Exit: (201) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '1'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _630222)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _809790)
   Call: (202) [system] atom_chars(_810722, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (202) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _premise1)
   Call: (201) [system] integer(_premise1)
   Fail: (201) [system] integer(_premise1)
   Call: (201) [system] _630222=_premise1
   Exit: (201) [system] _premise1=_premise1
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (199) [user] read_symbolic(')', (0x55772f068e50), $, _premise1)
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), _premise1)
^  Call: (198) [user] read_list(')', (0x55772f068e50), _820014)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _821872)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _831466)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _834170)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _851104)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _856674)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _858532)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _874542)
   Exit: (200) [system] get_char((0x55772f068e50), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), $, _856674)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _892184)
   Call: (202) [system] peek_char((0x55772f068e50), _893118)
   Exit: (202) [system] peek_char((0x55772f068e50), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_897838, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_898770, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x55772f068e50), p)
   Exit: (202) [system] get_char((0x55772f068e50), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _906120)
   Call: (203) [system] peek_char((0x55772f068e50), _907054)
   Exit: (203) [system] peek_char((0x55772f068e50), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_911774, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_912706, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x55772f068e50), r)
   Exit: (203) [system] get_char((0x55772f068e50), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _920056)
   Call: (204) [system] peek_char((0x55772f068e50), _920990)
   Exit: (204) [system] peek_char((0x55772f068e50), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_925710, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_926642, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x55772f068e50), e)
   Exit: (204) [system] get_char((0x55772f068e50), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _933992)
   Call: (205) [system] peek_char((0x55772f068e50), _934926)
   Exit: (205) [system] peek_char((0x55772f068e50), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Fail: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_939646, v('(', ')', end_of_file), m)
   Fail: (206) [system] arg(_940578, v('(', ')', end_of_file), m)
^  Fail: (205) [user] is_delimiter(m)
   Call: (205) [system] ')'==m
   Fail: (205) [system] ')'==m
   Call: (205) [system] get_char((0x55772f068e50), m)
   Exit: (205) [system] get_char((0x55772f068e50), m)
   Call: (205) [system] m=(\)
   Fail: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _947928)
   Call: (206) [system] peek_char((0x55772f068e50), _948862)
   Exit: (206) [system] peek_char((0x55772f068e50), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_953582, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_954514, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x55772f068e50), i)
   Exit: (206) [system] get_char((0x55772f068e50), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _961864)
   Call: (207) [system] peek_char((0x55772f068e50), _962798)
   Exit: (207) [system] peek_char((0x55772f068e50), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_967518, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_968450, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x55772f068e50), s)
   Exit: (207) [system] get_char((0x55772f068e50), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _975800)
   Call: (208) [system] peek_char((0x55772f068e50), _976734)
   Exit: (208) [system] peek_char((0x55772f068e50), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_981454, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_982386, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x55772f068e50), e)
   Exit: (208) [system] get_char((0x55772f068e50), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _989736)
   Call: (209) [system] peek_char((0x55772f068e50), _990670)
   Exit: (209) [system] peek_char((0x55772f068e50), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Fail: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_995390, v('(', ')', end_of_file), '2')
   Fail: (210) [system] arg(_996322, v('(', ')', end_of_file), '2')
^  Fail: (209) [user] is_delimiter('2')
   Call: (209) [system] ')'=='2'
   Fail: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x55772f068e50), '2')
   Exit: (209) [system] get_char((0x55772f068e50), '2')
   Call: (209) [system] '2'=(\)
   Fail: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1003672)
   Call: (210) [system] peek_char((0x55772f068e50), _1004606)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1003672=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (209) [system] _989736=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), ['2'])
   Call: (208) [system] _975800=[e, '2']
   Exit: (208) [system] [e, '2']=[e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '2'])
   Call: (207) [system] _961864=[s, e, '2']
   Exit: (207) [system] [s, e, '2']=[s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '2'])
   Call: (206) [system] _947928=[i, s, e, '2']
   Exit: (206) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '2'])
   Call: (205) [system] _933992=[m, i, s, e, '2']
   Exit: (205) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '2'])
   Call: (204) [system] _920056=[e, m, i, s, e, '2']
   Exit: (204) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '2'])
   Call: (203) [system] _906120=[r, e, m, i, s, e, '2']
   Exit: (203) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '2'])
   Call: (202) [system] _892184=[p, r, e, m, i, s, e, '2']
   Exit: (202) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '2'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _856674)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _1036242)
   Call: (203) [system] atom_chars(_1037174, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (203) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _premise2)
   Call: (202) [system] integer(_premise2)
   Fail: (202) [system] integer(_premise2)
   Call: (202) [system] _856674=_premise2
   Exit: (202) [system] _premise2=_premise2
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), $, _premise2)
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), _premise2)
^  Call: (199) [user] read_list(')', (0x55772f068e50), _1046466)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1048324)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _1057918)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1060622)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1077556)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _1083126)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1084984)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _1100994)
   Exit: (201) [system] get_char((0x55772f068e50), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), $, _1083126)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1118636)
   Call: (203) [system] peek_char((0x55772f068e50), _1119570)
   Exit: (203) [system] peek_char((0x55772f068e50), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1124290, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_1125222, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x55772f068e50), p)
   Exit: (203) [system] get_char((0x55772f068e50), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1132572)
   Call: (204) [system] peek_char((0x55772f068e50), _1133506)
   Exit: (204) [system] peek_char((0x55772f068e50), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1138226, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1139158, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x55772f068e50), r)
   Exit: (204) [system] get_char((0x55772f068e50), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1146508)
   Call: (205) [system] peek_char((0x55772f068e50), _1147442)
   Exit: (205) [system] peek_char((0x55772f068e50), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Fail: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_1152162, v('(', ')', end_of_file), e)
   Fail: (206) [system] arg(_1153094, v('(', ')', end_of_file), e)
^  Fail: (205) [user] is_delimiter(e)
   Call: (205) [system] ')'==e
   Fail: (205) [system] ')'==e
   Call: (205) [system] get_char((0x55772f068e50), e)
   Exit: (205) [system] get_char((0x55772f068e50), e)
   Call: (205) [system] e=(\)
   Fail: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1160444)
   Call: (206) [system] peek_char((0x55772f068e50), _1161378)
   Exit: (206) [system] peek_char((0x55772f068e50), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Fail: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_1166098, v('(', ')', end_of_file), m)
   Fail: (207) [system] arg(_1167030, v('(', ')', end_of_file), m)
^  Fail: (206) [user] is_delimiter(m)
   Call: (206) [system] ')'==m
   Fail: (206) [system] ')'==m
   Call: (206) [system] get_char((0x55772f068e50), m)
   Exit: (206) [system] get_char((0x55772f068e50), m)
   Call: (206) [system] m=(\)
   Fail: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1174380)
   Call: (207) [system] peek_char((0x55772f068e50), _1175314)
   Exit: (207) [system] peek_char((0x55772f068e50), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1180034, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_1180966, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x55772f068e50), i)
   Exit: (207) [system] get_char((0x55772f068e50), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1188316)
   Call: (208) [system] peek_char((0x55772f068e50), _1189250)
   Exit: (208) [system] peek_char((0x55772f068e50), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Fail: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_1193970, v('(', ')', end_of_file), s)
   Fail: (209) [system] arg(_1194902, v('(', ')', end_of_file), s)
^  Fail: (208) [user] is_delimiter(s)
   Call: (208) [system] ')'==s
   Fail: (208) [system] ')'==s
   Call: (208) [system] get_char((0x55772f068e50), s)
   Exit: (208) [system] get_char((0x55772f068e50), s)
   Call: (208) [system] s=(\)
   Fail: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1202252)
   Call: (209) [system] peek_char((0x55772f068e50), _1203186)
   Exit: (209) [system] peek_char((0x55772f068e50), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_1207906, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_1208838, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x55772f068e50), e)
   Exit: (209) [system] get_char((0x55772f068e50), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1216188)
   Call: (210) [system] peek_char((0x55772f068e50), _1217122)
   Exit: (210) [system] peek_char((0x55772f068e50), '3')
^  Call: (210) [user] is_delimiter('3')
   Call: (211) [system] char_type('3', space)
   Fail: (211) [system] char_type('3', space)
   Call: (211) [system] arg(_1221842, v('(', ')', end_of_file), '3')
   Fail: (211) [system] arg(_1222774, v('(', ')', end_of_file), '3')
^  Fail: (210) [user] is_delimiter('3')
   Call: (210) [system] ')'=='3'
   Fail: (210) [system] ')'=='3'
   Call: (210) [system] get_char((0x55772f068e50), '3')
   Exit: (210) [system] get_char((0x55772f068e50), '3')
   Call: (210) [system] '3'=(\)
   Fail: (210) [system] '3'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1230124)
   Call: (211) [system] peek_char((0x55772f068e50), _1231058)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1230124=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (210) [system] _1216188=['3']
   Exit: (210) [system] ['3']=['3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), ['3'])
   Call: (209) [system] _1202252=[e, '3']
   Exit: (209) [system] [e, '3']=[e, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '3'])
   Call: (208) [system] _1188316=[s, e, '3']
   Exit: (208) [system] [s, e, '3']=[s, e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '3'])
   Call: (207) [system] _1174380=[i, s, e, '3']
   Exit: (207) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '3'])
   Call: (206) [system] _1160444=[m, i, s, e, '3']
   Exit: (206) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '3'])
   Call: (205) [system] _1146508=[e, m, i, s, e, '3']
   Exit: (205) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '3'])
   Call: (204) [system] _1132572=[r, e, m, i, s, e, '3']
   Exit: (204) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '3'])
   Call: (203) [system] _1118636=[p, r, e, m, i, s, e, '3']
   Exit: (203) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '3'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _1083126)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _1262694)
   Call: (204) [system] atom_chars(_1263626, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (204) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _premise3)
   Call: (203) [system] integer(_premise3)
   Fail: (203) [system] integer(_premise3)
   Call: (203) [system] _1083126=_premise3
   Exit: (203) [system] _premise3=_premise3
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), $, _premise3)
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), _premise3)
^  Call: (200) [user] read_list(')', (0x55772f068e50), _1272918)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1274776)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _1284370)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1287074)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1304008)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _1309578)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1311436)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _1327446)
   Exit: (202) [system] get_char((0x55772f068e50), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), $, _1309578)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1345088)
   Call: (204) [system] peek_char((0x55772f068e50), _1346022)
   Exit: (204) [system] peek_char((0x55772f068e50), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1350742, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_1351674, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x55772f068e50), p)
   Exit: (204) [system] get_char((0x55772f068e50), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1359024)
   Call: (205) [system] peek_char((0x55772f068e50), _1359958)
   Exit: (205) [system] peek_char((0x55772f068e50), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1364678, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1365610, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x55772f068e50), r)
   Exit: (205) [system] get_char((0x55772f068e50), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1372960)
   Call: (206) [system] peek_char((0x55772f068e50), _1373894)
   Exit: (206) [system] peek_char((0x55772f068e50), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_1378614, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_1379546, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x55772f068e50), e)
   Exit: (206) [system] get_char((0x55772f068e50), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1386896)
   Call: (207) [system] peek_char((0x55772f068e50), _1387830)
   Exit: (207) [system] peek_char((0x55772f068e50), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_1392550, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_1393482, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x55772f068e50), m)
   Exit: (207) [system] get_char((0x55772f068e50), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1400832)
   Call: (208) [system] peek_char((0x55772f068e50), _1401766)
   Exit: (208) [system] peek_char((0x55772f068e50), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1406486, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1407418, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x55772f068e50), i)
   Exit: (208) [system] get_char((0x55772f068e50), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1414768)
   Call: (209) [system] peek_char((0x55772f068e50), _1415702)
   Exit: (209) [system] peek_char((0x55772f068e50), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_1420422, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_1421354, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x55772f068e50), s)
   Exit: (209) [system] get_char((0x55772f068e50), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1428704)
   Call: (210) [system] peek_char((0x55772f068e50), _1429638)
   Exit: (210) [system] peek_char((0x55772f068e50), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_1434358, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_1435290, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x55772f068e50), e)
   Exit: (210) [system] get_char((0x55772f068e50), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1442640)
   Call: (211) [system] peek_char((0x55772f068e50), _1443574)
   Exit: (211) [system] peek_char((0x55772f068e50), '4')
^  Call: (211) [user] is_delimiter('4')
   Call: (212) [system] char_type('4', space)
   Fail: (212) [system] char_type('4', space)
   Call: (212) [system] arg(_1448294, v('(', ')', end_of_file), '4')
   Fail: (212) [system] arg(_1449226, v('(', ')', end_of_file), '4')
^  Fail: (211) [user] is_delimiter('4')
   Call: (211) [system] ')'=='4'
   Fail: (211) [system] ')'=='4'
   Call: (211) [system] get_char((0x55772f068e50), '4')
   Exit: (211) [system] get_char((0x55772f068e50), '4')
   Call: (211) [system] '4'=(\)
   Fail: (211) [system] '4'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1456576)
   Call: (212) [system] peek_char((0x55772f068e50), _1457510)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1456576=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (211) [system] _1442640=['4']
   Exit: (211) [system] ['4']=['4']
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), ['4'])
   Call: (210) [system] _1428704=[e, '4']
   Exit: (210) [system] [e, '4']=[e, '4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '4'])
   Call: (209) [system] _1414768=[s, e, '4']
   Exit: (209) [system] [s, e, '4']=[s, e, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '4'])
   Call: (208) [system] _1400832=[i, s, e, '4']
   Exit: (208) [system] [i, s, e, '4']=[i, s, e, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '4'])
   Call: (207) [system] _1386896=[m, i, s, e, '4']
   Exit: (207) [system] [m, i, s, e, '4']=[m, i, s, e, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '4'])
   Call: (206) [system] _1372960=[e, m, i, s, e, '4']
   Exit: (206) [system] [e, m, i, s, e, '4']=[e, m, i, s, e, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '4'])
   Call: (205) [system] _1359024=[r, e, m, i, s, e, '4']
   Exit: (205) [system] [r, e, m, i, s, e, '4']=[r, e, m, i, s, e, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '4'])
   Call: (204) [system] _1345088=[p, r, e, m, i, s, e, '4']
   Exit: (204) [system] [p, r, e, m, i, s, e, '4']=[p, r, e, m, i, s, e, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '4'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '4'], _1309578)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '4'], _1489146)
   Call: (205) [system] atom_chars(_1490078, ['_', p, r, e, m, i, s, e, '4'])
   Exit: (205) [system] atom_chars('_premise4', ['_', p, r, e, m, i, s, e, '4'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '4'], _premise4)
   Call: (204) [system] integer(_premise4)
   Fail: (204) [system] integer(_premise4)
   Call: (204) [system] _1309578=_premise4
   Exit: (204) [system] _premise4=_premise4
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '4'], _premise4)
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), $, _premise4)
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), _premise4)
^  Call: (201) [user] read_list(')', (0x55772f068e50), _1499370)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1501228)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _1510822)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1513526)
   Exit: (204) [system] peek_char((0x55772f068e50), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1530460)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x55772f068e50), _1536030)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1537888)
   Exit: (204) [system] peek_char((0x55772f068e50), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] get_char((0x55772f068e50), _1553898)
   Exit: (203) [system] get_char((0x55772f068e50), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x55772f068e50), $, _1536030)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1571540)
   Call: (205) [system] peek_char((0x55772f068e50), _1572474)
   Exit: (205) [system] peek_char((0x55772f068e50), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Fail: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_1577194, v('(', ')', end_of_file), p)
   Fail: (206) [system] arg(_1578126, v('(', ')', end_of_file), p)
^  Fail: (205) [user] is_delimiter(p)
   Call: (205) [system] ')'==p
   Fail: (205) [system] ')'==p
   Call: (205) [system] get_char((0x55772f068e50), p)
   Exit: (205) [system] get_char((0x55772f068e50), p)
   Call: (205) [system] p=(\)
   Fail: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1585476)
   Call: (206) [system] peek_char((0x55772f068e50), _1586410)
   Exit: (206) [system] peek_char((0x55772f068e50), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_1591130, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_1592062, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x55772f068e50), r)
   Exit: (206) [system] get_char((0x55772f068e50), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1599412)
   Call: (207) [system] peek_char((0x55772f068e50), _1600346)
   Exit: (207) [system] peek_char((0x55772f068e50), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1605066, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_1605998, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x55772f068e50), e)
   Exit: (207) [system] get_char((0x55772f068e50), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1613348)
   Call: (208) [system] peek_char((0x55772f068e50), _1614282)
   Exit: (208) [system] peek_char((0x55772f068e50), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_1619002, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_1619934, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x55772f068e50), m)
   Exit: (208) [system] get_char((0x55772f068e50), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1627284)
   Call: (209) [system] peek_char((0x55772f068e50), _1628218)
   Exit: (209) [system] peek_char((0x55772f068e50), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1632938, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_1633870, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x55772f068e50), i)
   Exit: (209) [system] get_char((0x55772f068e50), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1641220)
   Call: (210) [system] peek_char((0x55772f068e50), _1642154)
   Exit: (210) [system] peek_char((0x55772f068e50), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Fail: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_1646874, v('(', ')', end_of_file), s)
   Fail: (211) [system] arg(_1647806, v('(', ')', end_of_file), s)
^  Fail: (210) [user] is_delimiter(s)
   Call: (210) [system] ')'==s
   Fail: (210) [system] ')'==s
   Call: (210) [system] get_char((0x55772f068e50), s)
   Exit: (210) [system] get_char((0x55772f068e50), s)
   Call: (210) [system] s=(\)
   Fail: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1655156)
   Call: (211) [system] peek_char((0x55772f068e50), _1656090)
   Exit: (211) [system] peek_char((0x55772f068e50), e)
^  Call: (211) [user] is_delimiter(e)
   Call: (212) [system] char_type(e, space)
   Fail: (212) [system] char_type(e, space)
   Call: (212) [system] arg(_1660810, v('(', ')', end_of_file), e)
   Fail: (212) [system] arg(_1661742, v('(', ')', end_of_file), e)
^  Fail: (211) [user] is_delimiter(e)
   Call: (211) [system] ')'==e
   Fail: (211) [system] ')'==e
   Call: (211) [system] get_char((0x55772f068e50), e)
   Exit: (211) [system] get_char((0x55772f068e50), e)
   Call: (211) [system] e=(\)
   Fail: (211) [system] e=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1669092)
   Call: (212) [system] peek_char((0x55772f068e50), _1670026)
   Exit: (212) [system] peek_char((0x55772f068e50), '5')
^  Call: (212) [user] is_delimiter('5')
   Call: (213) [system] char_type('5', space)
   Fail: (213) [system] char_type('5', space)
   Call: (213) [system] arg(_1674746, v('(', ')', end_of_file), '5')
   Fail: (213) [system] arg(_1675678, v('(', ')', end_of_file), '5')
^  Fail: (212) [user] is_delimiter('5')
   Call: (212) [system] ')'=='5'
   Fail: (212) [system] ')'=='5'
   Call: (212) [system] get_char((0x55772f068e50), '5')
   Exit: (212) [system] get_char((0x55772f068e50), '5')
   Call: (212) [system] '5'=(\)
   Fail: (212) [system] '5'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1683028)
   Call: (213) [system] peek_char((0x55772f068e50), _1683962)
   Exit: (213) [system] peek_char((0x55772f068e50), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _1683028=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (212) [system] _1669092=['5']
   Exit: (212) [system] ['5']=['5']
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), ['5'])
   Call: (211) [system] _1655156=[e, '5']
   Exit: (211) [system] [e, '5']=[e, '5']
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '5'])
   Call: (210) [system] _1641220=[s, e, '5']
   Exit: (210) [system] [s, e, '5']=[s, e, '5']
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '5'])
   Call: (209) [system] _1627284=[i, s, e, '5']
   Exit: (209) [system] [i, s, e, '5']=[i, s, e, '5']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '5'])
   Call: (208) [system] _1613348=[m, i, s, e, '5']
   Exit: (208) [system] [m, i, s, e, '5']=[m, i, s, e, '5']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '5'])
   Call: (207) [system] _1599412=[e, m, i, s, e, '5']
   Exit: (207) [system] [e, m, i, s, e, '5']=[e, m, i, s, e, '5']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '5'])
   Call: (206) [system] _1585476=[r, e, m, i, s, e, '5']
   Exit: (206) [system] [r, e, m, i, s, e, '5']=[r, e, m, i, s, e, '5']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '5'])
   Call: (205) [system] _1571540=[p, r, e, m, i, s, e, '5']
   Exit: (205) [system] [p, r, e, m, i, s, e, '5']=[p, r, e, m, i, s, e, '5']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '5'])
^  Call: (204) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '5'], _1536030)
^  Call: (205) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '5'], _1715598)
   Call: (206) [system] atom_chars(_1716530, ['_', p, r, e, m, i, s, e, '5'])
   Exit: (206) [system] atom_chars('_premise5', ['_', p, r, e, m, i, s, e, '5'])
^  Exit: (205) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '5'], _premise5)
   Call: (205) [system] integer(_premise5)
   Fail: (205) [system] integer(_premise5)
   Call: (205) [system] _1536030=_premise5
   Exit: (205) [system] _premise5=_premise5
^  Exit: (204) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '5'], _premise5)
^  Exit: (203) [user] read_symbolic(')', (0x55772f068e50), $, _premise5)
^  Exit: (202) [user] cont_sexpr(')', (0x55772f068e50), _premise5)
^  Call: (202) [user] read_list(')', (0x55772f068e50), _1725822)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1727680)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x55772f068e50), _1737274)
   Exit: (204) [system] get_char((0x55772f068e50), ' ')
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1739978)
   Exit: (205) [system] peek_char((0x55772f068e50), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1756912)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=')'
   Fail: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x55772f068e50), _1762482)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1764340)
   Exit: (205) [system] peek_char((0x55772f068e50), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] get_char((0x55772f068e50), _1780350)
   Exit: (204) [system] get_char((0x55772f068e50), $)
   Call: (204) [system] ($)='('
   Fail: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Fail: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Fail: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Fail: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Fail: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Fail: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Fail: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x55772f068e50), $, _1762482)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1797992)
   Call: (206) [system] peek_char((0x55772f068e50), _1798926)
   Exit: (206) [system] peek_char((0x55772f068e50), c)
^  Call: (206) [user] is_delimiter(c)
   Call: (207) [system] char_type(c, space)
   Fail: (207) [system] char_type(c, space)
   Call: (207) [system] arg(_1803646, v('(', ')', end_of_file), c)
   Fail: (207) [system] arg(_1804578, v('(', ')', end_of_file), c)
^  Fail: (206) [user] is_delimiter(c)
   Call: (206) [system] ')'==c
   Fail: (206) [system] ')'==c
   Call: (206) [system] get_char((0x55772f068e50), c)
   Exit: (206) [system] get_char((0x55772f068e50), c)
   Call: (206) [system] c=(\)
   Fail: (206) [system] c=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1811928)
   Call: (207) [system] peek_char((0x55772f068e50), _1812862)
   Exit: (207) [system] peek_char((0x55772f068e50), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1817582, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1818514, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x55772f068e50), o)
   Exit: (207) [system] get_char((0x55772f068e50), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1825864)
   Call: (208) [system] peek_char((0x55772f068e50), _1826798)
   Exit: (208) [system] peek_char((0x55772f068e50), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1831518, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1832450, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x55772f068e50), n)
   Exit: (208) [system] get_char((0x55772f068e50), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1839800)
   Call: (209) [system] peek_char((0x55772f068e50), _1840734)
   Exit: (209) [system] peek_char((0x55772f068e50), c)
^  Call: (209) [user] is_delimiter(c)
   Call: (210) [system] char_type(c, space)
   Fail: (210) [system] char_type(c, space)
   Call: (210) [system] arg(_1845454, v('(', ')', end_of_file), c)
   Fail: (210) [system] arg(_1846386, v('(', ')', end_of_file), c)
^  Fail: (209) [user] is_delimiter(c)
   Call: (209) [system] ')'==c
   Fail: (209) [system] ')'==c
   Call: (209) [system] get_char((0x55772f068e50), c)
   Exit: (209) [system] get_char((0x55772f068e50), c)
   Call: (209) [system] c=(\)
   Fail: (209) [system] c=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1853736)
   Call: (210) [system] peek_char((0x55772f068e50), _1854670)
   Exit: (210) [system] peek_char((0x55772f068e50), l)
^  Call: (210) [user] is_delimiter(l)
   Call: (211) [system] char_type(l, space)
   Fail: (211) [system] char_type(l, space)
   Call: (211) [system] arg(_1859390, v('(', ')', end_of_file), l)
   Fail: (211) [system] arg(_1860322, v('(', ')', end_of_file), l)
^  Fail: (210) [user] is_delimiter(l)
   Call: (210) [system] ')'==l
   Fail: (210) [system] ')'==l
   Call: (210) [system] get_char((0x55772f068e50), l)
   Exit: (210) [system] get_char((0x55772f068e50), l)
   Call: (210) [system] l=(\)
   Fail: (210) [system] l=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1867672)
   Call: (211) [system] peek_char((0x55772f068e50), _1868606)
   Exit: (211) [system] peek_char((0x55772f068e50), u)
^  Call: (211) [user] is_delimiter(u)
   Call: (212) [system] char_type(u, space)
   Fail: (212) [system] char_type(u, space)
   Call: (212) [system] arg(_1873326, v('(', ')', end_of_file), u)
   Fail: (212) [system] arg(_1874258, v('(', ')', end_of_file), u)
^  Fail: (211) [user] is_delimiter(u)
   Call: (211) [system] ')'==u
   Fail: (211) [system] ')'==u
   Call: (211) [system] get_char((0x55772f068e50), u)
   Exit: (211) [system] get_char((0x55772f068e50), u)
   Call: (211) [system] u=(\)
   Fail: (211) [system] u=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1881608)
   Call: (212) [system] peek_char((0x55772f068e50), _1882542)
   Exit: (212) [system] peek_char((0x55772f068e50), s)
^  Call: (212) [user] is_delimiter(s)
   Call: (213) [system] char_type(s, space)
   Fail: (213) [system] char_type(s, space)
   Call: (213) [system] arg(_1887262, v('(', ')', end_of_file), s)
   Fail: (213) [system] arg(_1888194, v('(', ')', end_of_file), s)
^  Fail: (212) [user] is_delimiter(s)
   Call: (212) [system] ')'==s
   Fail: (212) [system] ')'==s
   Call: (212) [system] get_char((0x55772f068e50), s)
   Exit: (212) [system] get_char((0x55772f068e50), s)
   Call: (212) [system] s=(\)
   Fail: (212) [system] s=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1895544)
   Call: (213) [system] peek_char((0x55772f068e50), _1896478)
   Exit: (213) [system] peek_char((0x55772f068e50), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1901198, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1902130, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x55772f068e50), i)
   Exit: (213) [system] get_char((0x55772f068e50), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1909480)
   Call: (214) [system] peek_char((0x55772f068e50), _1910414)
   Exit: (214) [system] peek_char((0x55772f068e50), o)
^  Call: (214) [user] is_delimiter(o)
   Call: (215) [system] char_type(o, space)
   Fail: (215) [system] char_type(o, space)
   Call: (215) [system] arg(_1915134, v('(', ')', end_of_file), o)
   Fail: (215) [system] arg(_1916066, v('(', ')', end_of_file), o)
^  Fail: (214) [user] is_delimiter(o)
   Call: (214) [system] ')'==o
   Fail: (214) [system] ')'==o
   Call: (214) [system] get_char((0x55772f068e50), o)
   Exit: (214) [system] get_char((0x55772f068e50), o)
   Call: (214) [system] o=(\)
   Fail: (214) [system] o=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1923416)
   Call: (215) [system] peek_char((0x55772f068e50), _1924350)
   Exit: (215) [system] peek_char((0x55772f068e50), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1929070, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1930002, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x55772f068e50), n)
   Exit: (215) [system] get_char((0x55772f068e50), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1937352)
   Call: (216) [system] peek_char((0x55772f068e50), _1938286)
   Exit: (216) [system] peek_char((0x55772f068e50), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_1943006, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _1937352=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (215) [system] _1923416=[n]
   Exit: (215) [system] [n]=[n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (214) [system] _1909480=[o, n]
   Exit: (214) [system] [o, n]=[o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (213) [system] _1895544=[i, o, n]
   Exit: (213) [system] [i, o, n]=[i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (212) [system] _1881608=[s, i, o, n]
   Exit: (212) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [s, i, o, n])
   Call: (211) [system] _1867672=[u, s, i, o, n]
   Exit: (211) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [u, s, i, o, n])
   Call: (210) [system] _1853736=[l, u, s, i, o, n]
   Exit: (210) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [l, u, s, i, o, n])
   Call: (209) [system] _1839800=[c, l, u, s, i, o, n]
   Exit: (209) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [c, l, u, s, i, o, n])
   Call: (208) [system] _1825864=[n, c, l, u, s, i, o, n]
   Exit: (208) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, l, u, s, i, o, n])
   Call: (207) [system] _1811928=[o, n, c, l, u, s, i, o, n]
   Exit: (207) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, c, l, u, s, i, o, n])
   Call: (206) [system] _1797992=[c, o, n, c, l, u, s, i, o, n]
   Exit: (206) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [c, o, n, c, l, u, s, i, o, n])
^  Call: (205) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _1762482)
^  Call: (206) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _1977382)
   Call: (207) [system] atom_chars(_1978314, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (207) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (206) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
   Call: (206) [system] integer(_conclusion)
   Fail: (206) [system] integer(_conclusion)
   Call: (206) [system] _1762482=_conclusion
   Exit: (206) [system] _conclusion=_conclusion
^  Exit: (205) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (204) [user] read_symbolic(')', (0x55772f068e50), $, _conclusion)
^  Exit: (203) [user] cont_sexpr(')', (0x55772f068e50), _conclusion)
^  Call: (203) [user] read_list(')', (0x55772f068e50), _1987606)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1989464)
   Exit: (205) [system] peek_char((0x55772f068e50), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _2005474)
   Exit: (204) [system] peek_char((0x55772f068e50), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x55772f068e50), _2009264)
   Exit: (204) [system] get_char((0x55772f068e50), ')')
   Call: (204) [system] _1987606=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x55772f068e50), [])
   Call: (203) [system] _1725822=[_conclusion]
   Exit: (203) [system] [_conclusion]=[_conclusion]
^  Exit: (202) [user] read_list(')', (0x55772f068e50), [_conclusion])
   Call: (202) [system] _1499370=[_premise5, _conclusion]
   Exit: (202) [system] [_premise5, _conclusion]=[_premise5, _conclusion]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [_premise5, _conclusion])
   Call: (201) [system] _1272918=[_premise4, _premise5, _conclusion]
   Exit: (201) [system] [_premise4, _premise5, _conclusion]=[_premise4, _premise5, _conclusion]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [_premise4, _premise5, _conclusion])
   Call: (200) [system] _1046466=[_premise3, _premise4, _premise5, _conclusion]
   Exit: (200) [system] [_premise3, _premise4, _premise5, _conclusion]=[_premise3, _premise4, _premise5, _conclusion]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [_premise3, _premise4, _premise5, _conclusion])
   Call: (199) [system] _820014=[_premise2, _premise3, _premise4, _premise5, _conclusion]
   Exit: (199) [system] [_premise2, _premise3, _premise4, _premise5, _conclusion]=[_premise2, _premise3, _premise4, _premise5, _conclusion]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [_premise2, _premise3, _premise4, _premise5, _conclusion])
   Call: (198) [system] _593562=[_premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]
   Exit: (198) [system] [_premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]=[_premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [_premise1, _premise2, _premise3, _premise4, _premise5, _conclusion])
   Call: (197) [system] _473006=[->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]
   Exit: (197) [system] [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]=[->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion])
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion])
^  Call: (195) [user] read_list(')', (0x55772f068e50), _2034322)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _2036180)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _2052190)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x55772f068e50), _2055980)
   Exit: (196) [system] get_char((0x55772f068e50), ')')
   Call: (196) [system] _2034322=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [])
   Call: (195) [system] _436346=[[->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]
   Exit: (195) [system] [[->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]=[[->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [[->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]])
   Call: (194) [system] _243354=[_ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]
   Exit: (194) [system] [_ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]=[_ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [_ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]])
   Call: (193) [system] _139528=[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]
   Exit: (193) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]=[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]])
^  Exit: (191) [user] cont_sexpr(')', (0x55772f068e50), [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]])
^  Call: (191) [user] read_list(')', (0x55772f068e50), _2069862)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _2071720)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _2081314)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _2084018)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _7774)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _13344)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _15202)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _31212)
   Exit: (193) [system] get_char((0x55772f068e50), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x55772f068e50), _13344)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _36782)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _52792)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _58362)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _60220)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _76230)
   Exit: (195) [system] get_char((0x55772f068e50), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x55772f068e50), $, _58362)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _93872)
   Call: (197) [system] peek_char((0x55772f068e50), _94806)
   Exit: (197) [system] peek_char((0x55772f068e50), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_99526, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_100458, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x55772f068e50), r)
   Exit: (197) [system] get_char((0x55772f068e50), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _107808)
   Call: (198) [system] peek_char((0x55772f068e50), _108742)
   Exit: (198) [system] peek_char((0x55772f068e50), b)
^  Call: (198) [user] is_delimiter(b)
   Call: (199) [system] char_type(b, space)
   Fail: (199) [system] char_type(b, space)
   Call: (199) [system] arg(_113462, v('(', ')', end_of_file), b)
   Fail: (199) [system] arg(_114394, v('(', ')', end_of_file), b)
^  Fail: (198) [user] is_delimiter(b)
   Call: (198) [system] ')'==b
   Fail: (198) [system] ')'==b
   Call: (198) [system] get_char((0x55772f068e50), b)
   Exit: (198) [system] get_char((0x55772f068e50), b)
   Call: (198) [system] b=(\)
   Fail: (198) [system] b=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _121744)
   Call: (199) [system] peek_char((0x55772f068e50), _122678)
   Exit: (199) [system] peek_char((0x55772f068e50), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_127398, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _121744=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (198) [system] _107808=[b]
   Exit: (198) [system] [b]=[b]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (197) [system] _93872=[r, b]
   Exit: (197) [system] [r, b]=[r, b]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [r, b])
^  Call: (196) [user] classify_and_convert_charseq([$, r, b], _58362)
^  Call: (197) [user] classify_and_convert_charseq_([$, r, b], _139422)
   Call: (198) [system] atom_chars(_140354, ['_', r, b])
   Exit: (198) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (197) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (197) [system] integer(_rb)
   Fail: (197) [system] integer(_rb)
   Call: (197) [system] _58362=_rb
   Exit: (197) [system] _rb=_rb
^  Exit: (196) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (195) [user] read_symbolic(')', (0x55772f068e50), $, _rb)
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), _rb)
^  Call: (194) [user] read_list(')', (0x55772f068e50), _149646)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _151504)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _167514)
   Exit: (195) [system] peek_char((0x55772f068e50), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x55772f068e50), _171304)
   Exit: (195) [system] get_char((0x55772f068e50), ')')
   Call: (195) [system] _149646=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [])
   Call: (194) [system] _13344=[_rb]
   Exit: (194) [system] [_rb]=[_rb]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [_rb])
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), [_rb])
^  Call: (192) [user] read_list(')', (0x55772f068e50), _179598)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _181456)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _197466)
   Exit: (193) [system] peek_char((0x55772f068e50), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x55772f068e50), _201256)
   Exit: (193) [system] get_char((0x55772f068e50), ')')
   Call: (193) [system] _179598=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [])
   Call: (192) [system] _3544=[[_rb]]
   Exit: (192) [system] [[_rb]]=[[_rb]]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [[_rb]])
   Call: (191) [system] _3448=[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]]
   Exit: (191) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]]=[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]]
^  Exit: (190) [user] read_list(')', (0x55772f068e50), [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]])
^  Exit: (189) [user] cont_sexpr(')', (0x55772f068e50), [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]])
^  Call: (189) [user] read_list(')', (0x55772f068e50), _212344)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _214202)
   Exit: (191) [system] peek_char((0x55772f068e50), '\n')
   Call: (191) [system] '\n'=(;)
   Fail: (191) [system] '\n'=(;)
   Call: (191) [system] '\n'=(/)
   Fail: (191) [system] '\n'=(/)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Fail: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x55772f068e50), _225652)
   Exit: (191) [system] get_char((0x55772f068e50), '\n')
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _228356)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x55772f068e50), _237950)
   Exit: (192) [system] get_char((0x55772f068e50), ' ')
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _240654)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _250248)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _252952)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _262546)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _265250)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _274844)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _277548)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _287142)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _289846)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _299440)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _302144)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _311738)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _314442)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _324036)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _326740)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _336334)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _339038)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _348632)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _351336)
   Exit: (202) [system] peek_char((0x55772f068e50), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _377510)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x55772f068e50), _383080)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _384938)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] get_char((0x55772f068e50), _400948)
   Exit: (191) [system] get_char((0x55772f068e50), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x55772f068e50), _383080)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _406518)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _422528)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _428098)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _429956)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _445966)
   Exit: (193) [system] get_char((0x55772f068e50), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x55772f068e50), _428098)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _451536)
   Exit: (195) [system] peek_char((0x55772f068e50), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _467546)
   Exit: (194) [system] peek_char((0x55772f068e50), :)
   Call: (194) [system] (:)=')'
   Fail: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _473116)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _474974)
   Exit: (196) [system] peek_char((0x55772f068e50), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _490984)
   Exit: (195) [system] get_char((0x55772f068e50), :)
   Call: (195) [system] (:)='('
   Fail: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Fail: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Fail: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Fail: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Fail: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Fail: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Fail: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x55772f068e50), :, _473116)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _508626)
   Call: (197) [system] peek_char((0x55772f068e50), _509560)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _508626=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (196) [user] classify_and_convert_charseq([:], _473116)
^  Call: (197) [user] classify_and_convert_charseq_([:], _518844)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_519796, _519798), once(user:catch(read_from_chars([:], _518844), _519778, fail)), '$restore_trace'(_519796, _519798))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_519796, _519798))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _519778, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq_([:], :)
   Call: (197) [system] integer(:)
   Fail: (197) [system] integer(:)
   Call: (197) [system] _473116=(:)
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] classify_and_convert_charseq([:], :)
^  Exit: (195) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (194) [user] read_list(')', (0x55772f068e50), _531924)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _533782)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _543376)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _546080)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _563014)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _568584)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _570442)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _586452)
   Exit: (196) [system] get_char((0x55772f068e50), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x55772f068e50), _568584)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _592022)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _608032)
   Exit: (197) [system] peek_char((0x55772f068e50), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _613602)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _615460)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _631470)
   Exit: (198) [system] get_char((0x55772f068e50), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x55772f068e50), $, _613602)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _649112)
   Call: (200) [system] peek_char((0x55772f068e50), _650046)
   Exit: (200) [system] peek_char((0x55772f068e50), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_654766, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_655698, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x55772f068e50), r)
   Exit: (200) [system] get_char((0x55772f068e50), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _663048)
   Call: (201) [system] peek_char((0x55772f068e50), _663982)
   Exit: (201) [system] peek_char((0x55772f068e50), u)
^  Call: (201) [user] is_delimiter(u)
   Call: (202) [system] char_type(u, space)
   Fail: (202) [system] char_type(u, space)
   Call: (202) [system] arg(_668702, v('(', ')', end_of_file), u)
   Fail: (202) [system] arg(_669634, v('(', ')', end_of_file), u)
^  Fail: (201) [user] is_delimiter(u)
   Call: (201) [system] ')'==u
   Fail: (201) [system] ')'==u
   Call: (201) [system] get_char((0x55772f068e50), u)
   Exit: (201) [system] get_char((0x55772f068e50), u)
   Call: (201) [system] u=(\)
   Fail: (201) [system] u=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _676984)
   Call: (202) [system] peek_char((0x55772f068e50), _677918)
   Exit: (202) [system] peek_char((0x55772f068e50), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_682638, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_683570, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x55772f068e50), c)
   Exit: (202) [system] get_char((0x55772f068e50), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _690920)
   Call: (203) [system] peek_char((0x55772f068e50), _691854)
   Exit: (203) [system] peek_char((0x55772f068e50), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Fail: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_696574, v('(', ')', end_of_file), t)
   Fail: (204) [system] arg(_697506, v('(', ')', end_of_file), t)
^  Fail: (203) [user] is_delimiter(t)
   Call: (203) [system] ')'==t
   Fail: (203) [system] ')'==t
   Call: (203) [system] get_char((0x55772f068e50), t)
   Exit: (203) [system] get_char((0x55772f068e50), t)
   Call: (203) [system] t=(\)
   Fail: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _704856)
   Call: (204) [system] peek_char((0x55772f068e50), _705790)
   Exit: (204) [system] peek_char((0x55772f068e50), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_710510, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_711442, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x55772f068e50), o)
   Exit: (204) [system] get_char((0x55772f068e50), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _718792)
   Call: (205) [system] peek_char((0x55772f068e50), _719726)
   Exit: (205) [system] peek_char((0x55772f068e50), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_724446, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_725378, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x55772f068e50), r)
   Exit: (205) [system] get_char((0x55772f068e50), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _732728)
   Call: (206) [system] peek_char((0x55772f068e50), _733662)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _732728=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (205) [system] _718792=[r]
   Exit: (205) [system] [r]=[r]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [r])
   Call: (204) [system] _704856=[o, r]
   Exit: (204) [system] [o, r]=[o, r]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [o, r])
   Call: (203) [system] _690920=[t, o, r]
   Exit: (203) [system] [t, o, r]=[t, o, r]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [t, o, r])
   Call: (202) [system] _676984=[c, t, o, r]
   Exit: (202) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, o, r])
   Call: (201) [system] _663048=[u, c, t, o, r]
   Exit: (201) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, o, r])
   Call: (200) [system] _649112=[r, u, c, t, o, r]
   Exit: (200) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [r, u, c, t, o, r])
^  Call: (199) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _613602)
^  Call: (200) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _759710)
   Call: (201) [system] atom_chars(_760642, ['_', r, u, c, t, o, r])
   Exit: (201) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (200) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _ructor)
   Call: (200) [system] integer(_ructor)
   Fail: (200) [system] integer(_ructor)
   Call: (200) [system] _613602=_ructor
   Exit: (200) [system] _ructor=_ructor
^  Exit: (199) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _ructor)
^  Exit: (198) [user] read_symbolic(')', (0x55772f068e50), $, _ructor)
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), _ructor)
^  Call: (197) [user] read_list(')', (0x55772f068e50), _769934)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _771792)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _781386)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _784090)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _801024)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _806594)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _808452)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _824462)
   Exit: (199) [system] get_char((0x55772f068e50), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x55772f068e50), $, _806594)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _842104)
   Call: (201) [system] peek_char((0x55772f068e50), _843038)
   Exit: (201) [system] peek_char((0x55772f068e50), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_847758, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_848690, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x55772f068e50), p)
   Exit: (201) [system] get_char((0x55772f068e50), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _856040)
   Call: (202) [system] peek_char((0x55772f068e50), _856974)
   Exit: (202) [system] peek_char((0x55772f068e50), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_861694, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_862626, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x55772f068e50), r)
   Exit: (202) [system] get_char((0x55772f068e50), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _869976)
   Call: (203) [system] peek_char((0x55772f068e50), _870910)
   Exit: (203) [system] peek_char((0x55772f068e50), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_875630, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_876562, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x55772f068e50), o)
   Exit: (203) [system] get_char((0x55772f068e50), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _883912)
   Call: (204) [system] peek_char((0x55772f068e50), _884846)
   Exit: (204) [system] peek_char((0x55772f068e50), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_889566, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_890498, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x55772f068e50), o)
   Exit: (204) [system] get_char((0x55772f068e50), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _897848)
   Call: (205) [system] peek_char((0x55772f068e50), _898782)
   Exit: (205) [system] peek_char((0x55772f068e50), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Fail: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_903502, v('(', ')', end_of_file), f)
   Fail: (206) [system] arg(_904434, v('(', ')', end_of_file), f)
^  Fail: (205) [user] is_delimiter(f)
   Call: (205) [system] ')'==f
   Fail: (205) [system] ')'==f
   Call: (205) [system] get_char((0x55772f068e50), f)
   Exit: (205) [system] get_char((0x55772f068e50), f)
   Call: (205) [system] f=(\)
   Fail: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _911784)
   Call: (206) [system] peek_char((0x55772f068e50), _912718)
   Exit: (206) [system] peek_char((0x55772f068e50), '1')
^  Call: (206) [user] is_delimiter('1')
   Call: (207) [system] char_type('1', space)
   Fail: (207) [system] char_type('1', space)
   Call: (207) [system] arg(_917438, v('(', ')', end_of_file), '1')
   Fail: (207) [system] arg(_918370, v('(', ')', end_of_file), '1')
^  Fail: (206) [user] is_delimiter('1')
   Call: (206) [system] ')'=='1'
   Fail: (206) [system] ')'=='1'
   Call: (206) [system] get_char((0x55772f068e50), '1')
   Exit: (206) [system] get_char((0x55772f068e50), '1')
   Call: (206) [system] '1'=(\)
   Fail: (206) [system] '1'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _925720)
   Call: (207) [system] peek_char((0x55772f068e50), _926654)
   Exit: (207) [system] peek_char((0x55772f068e50), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _925720=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (206) [system] _911784=['1']
   Exit: (206) [system] ['1']=['1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), ['1'])
   Call: (205) [system] _897848=[f, '1']
   Exit: (205) [system] [f, '1']=[f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '1'])
   Call: (204) [system] _883912=[o, f, '1']
   Exit: (204) [system] [o, f, '1']=[o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '1'])
   Call: (203) [system] _869976=[o, o, f, '1']
   Exit: (203) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '1'])
   Call: (202) [system] _856040=[r, o, o, f, '1']
   Exit: (202) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '1'])
   Call: (201) [system] _842104=[p, r, o, o, f, '1']
   Exit: (201) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '1'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _806594)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _952702)
   Call: (202) [system] atom_chars(_953634, ['_', p, r, o, o, f, '1'])
   Exit: (202) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _proof1)
   Call: (201) [system] integer(_proof1)
   Fail: (201) [system] integer(_proof1)
   Call: (201) [system] _806594=_proof1
   Exit: (201) [system] _proof1=_proof1
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _proof1)
^  Exit: (199) [user] read_symbolic(')', (0x55772f068e50), $, _proof1)
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), _proof1)
^  Call: (198) [user] read_list(')', (0x55772f068e50), _962926)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _964784)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _974378)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _977082)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _994016)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _999586)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1001444)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _1017454)
   Exit: (200) [system] get_char((0x55772f068e50), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), $, _999586)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1035096)
   Call: (202) [system] peek_char((0x55772f068e50), _1036030)
   Exit: (202) [system] peek_char((0x55772f068e50), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_1040750, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_1041682, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x55772f068e50), p)
   Exit: (202) [system] get_char((0x55772f068e50), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1049032)
   Call: (203) [system] peek_char((0x55772f068e50), _1049966)
   Exit: (203) [system] peek_char((0x55772f068e50), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_1054686, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_1055618, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x55772f068e50), r)
   Exit: (203) [system] get_char((0x55772f068e50), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1062968)
   Call: (204) [system] peek_char((0x55772f068e50), _1063902)
   Exit: (204) [system] peek_char((0x55772f068e50), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1068622, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_1069554, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x55772f068e50), o)
   Exit: (204) [system] get_char((0x55772f068e50), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1076904)
   Call: (205) [system] peek_char((0x55772f068e50), _1077838)
   Exit: (205) [system] peek_char((0x55772f068e50), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1082558, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_1083490, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x55772f068e50), o)
   Exit: (205) [system] get_char((0x55772f068e50), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1090840)
   Call: (206) [system] peek_char((0x55772f068e50), _1091774)
   Exit: (206) [system] peek_char((0x55772f068e50), f)
^  Call: (206) [user] is_delimiter(f)
   Call: (207) [system] char_type(f, space)
   Fail: (207) [system] char_type(f, space)
   Call: (207) [system] arg(_1096494, v('(', ')', end_of_file), f)
   Fail: (207) [system] arg(_1097426, v('(', ')', end_of_file), f)
^  Fail: (206) [user] is_delimiter(f)
   Call: (206) [system] ')'==f
   Fail: (206) [system] ')'==f
   Call: (206) [system] get_char((0x55772f068e50), f)
   Exit: (206) [system] get_char((0x55772f068e50), f)
   Call: (206) [system] f=(\)
   Fail: (206) [system] f=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1104776)
   Call: (207) [system] peek_char((0x55772f068e50), _1105710)
   Exit: (207) [system] peek_char((0x55772f068e50), '2')
^  Call: (207) [user] is_delimiter('2')
   Call: (208) [system] char_type('2', space)
   Fail: (208) [system] char_type('2', space)
   Call: (208) [system] arg(_1110430, v('(', ')', end_of_file), '2')
   Fail: (208) [system] arg(_1111362, v('(', ')', end_of_file), '2')
^  Fail: (207) [user] is_delimiter('2')
   Call: (207) [system] ')'=='2'
   Fail: (207) [system] ')'=='2'
   Call: (207) [system] get_char((0x55772f068e50), '2')
   Exit: (207) [system] get_char((0x55772f068e50), '2')
   Call: (207) [system] '2'=(\)
   Fail: (207) [system] '2'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1118712)
   Call: (208) [system] peek_char((0x55772f068e50), _1119646)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1118712=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (207) [system] _1104776=['2']
   Exit: (207) [system] ['2']=['2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), ['2'])
   Call: (206) [system] _1090840=[f, '2']
   Exit: (206) [system] [f, '2']=[f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '2'])
   Call: (205) [system] _1076904=[o, f, '2']
   Exit: (205) [system] [o, f, '2']=[o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '2'])
   Call: (204) [system] _1062968=[o, o, f, '2']
   Exit: (204) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '2'])
   Call: (203) [system] _1049032=[r, o, o, f, '2']
   Exit: (203) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '2'])
   Call: (202) [system] _1035096=[p, r, o, o, f, '2']
   Exit: (202) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '2'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _999586)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _1145694)
   Call: (203) [system] atom_chars(_1146626, ['_', p, r, o, o, f, '2'])
   Exit: (203) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _proof2)
   Call: (202) [system] integer(_proof2)
   Fail: (202) [system] integer(_proof2)
   Call: (202) [system] _999586=_proof2
   Exit: (202) [system] _proof2=_proof2
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _proof2)
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), $, _proof2)
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), _proof2)
^  Call: (199) [user] read_list(')', (0x55772f068e50), _1155918)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1157776)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _1167370)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1170074)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1187008)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _1192578)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1194436)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _1210446)
   Exit: (201) [system] get_char((0x55772f068e50), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), $, _1192578)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1228088)
   Call: (203) [system] peek_char((0x55772f068e50), _1229022)
   Exit: (203) [system] peek_char((0x55772f068e50), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1233742, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_1234674, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x55772f068e50), p)
   Exit: (203) [system] get_char((0x55772f068e50), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1242024)
   Call: (204) [system] peek_char((0x55772f068e50), _1242958)
   Exit: (204) [system] peek_char((0x55772f068e50), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1247678, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1248610, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x55772f068e50), r)
   Exit: (204) [system] get_char((0x55772f068e50), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1255960)
   Call: (205) [system] peek_char((0x55772f068e50), _1256894)
   Exit: (205) [system] peek_char((0x55772f068e50), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1261614, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_1262546, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x55772f068e50), o)
   Exit: (205) [system] get_char((0x55772f068e50), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1269896)
   Call: (206) [system] peek_char((0x55772f068e50), _1270830)
   Exit: (206) [system] peek_char((0x55772f068e50), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1275550, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1276482, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x55772f068e50), o)
   Exit: (206) [system] get_char((0x55772f068e50), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1283832)
   Call: (207) [system] peek_char((0x55772f068e50), _1284766)
   Exit: (207) [system] peek_char((0x55772f068e50), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Fail: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_1289486, v('(', ')', end_of_file), f)
   Fail: (208) [system] arg(_1290418, v('(', ')', end_of_file), f)
^  Fail: (207) [user] is_delimiter(f)
   Call: (207) [system] ')'==f
   Fail: (207) [system] ')'==f
   Call: (207) [system] get_char((0x55772f068e50), f)
   Exit: (207) [system] get_char((0x55772f068e50), f)
   Call: (207) [system] f=(\)
   Fail: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1297768)
   Call: (208) [system] peek_char((0x55772f068e50), _1298702)
   Exit: (208) [system] peek_char((0x55772f068e50), '3')
^  Call: (208) [user] is_delimiter('3')
   Call: (209) [system] char_type('3', space)
   Fail: (209) [system] char_type('3', space)
   Call: (209) [system] arg(_1303422, v('(', ')', end_of_file), '3')
   Fail: (209) [system] arg(_1304354, v('(', ')', end_of_file), '3')
^  Fail: (208) [user] is_delimiter('3')
   Call: (208) [system] ')'=='3'
   Fail: (208) [system] ')'=='3'
   Call: (208) [system] get_char((0x55772f068e50), '3')
   Exit: (208) [system] get_char((0x55772f068e50), '3')
   Call: (208) [system] '3'=(\)
   Fail: (208) [system] '3'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1311704)
   Call: (209) [system] peek_char((0x55772f068e50), _1312638)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1311704=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (208) [system] _1297768=['3']
   Exit: (208) [system] ['3']=['3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), ['3'])
   Call: (207) [system] _1283832=[f, '3']
   Exit: (207) [system] [f, '3']=[f, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '3'])
   Call: (206) [system] _1269896=[o, f, '3']
   Exit: (206) [system] [o, f, '3']=[o, f, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '3'])
   Call: (205) [system] _1255960=[o, o, f, '3']
   Exit: (205) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '3'])
   Call: (204) [system] _1242024=[r, o, o, f, '3']
   Exit: (204) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '3'])
   Call: (203) [system] _1228088=[p, r, o, o, f, '3']
   Exit: (203) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '3'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _1192578)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _1338686)
   Call: (204) [system] atom_chars(_1339618, ['_', p, r, o, o, f, '3'])
   Exit: (204) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _proof3)
   Call: (203) [system] integer(_proof3)
   Fail: (203) [system] integer(_proof3)
   Call: (203) [system] _1192578=_proof3
   Exit: (203) [system] _proof3=_proof3
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _proof3)
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), $, _proof3)
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), _proof3)
^  Call: (200) [user] read_list(')', (0x55772f068e50), _1348910)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1350768)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _1360362)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1363066)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1380000)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _1385570)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1387428)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _1403438)
   Exit: (202) [system] get_char((0x55772f068e50), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), $, _1385570)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1421080)
   Call: (204) [system] peek_char((0x55772f068e50), _1422014)
   Exit: (204) [system] peek_char((0x55772f068e50), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1426734, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_1427666, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x55772f068e50), p)
   Exit: (204) [system] get_char((0x55772f068e50), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1435016)
   Call: (205) [system] peek_char((0x55772f068e50), _1435950)
   Exit: (205) [system] peek_char((0x55772f068e50), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1440670, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1441602, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x55772f068e50), r)
   Exit: (205) [system] get_char((0x55772f068e50), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1448952)
   Call: (206) [system] peek_char((0x55772f068e50), _1449886)
   Exit: (206) [system] peek_char((0x55772f068e50), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1454606, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1455538, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x55772f068e50), o)
   Exit: (206) [system] get_char((0x55772f068e50), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1462888)
   Call: (207) [system] peek_char((0x55772f068e50), _1463822)
   Exit: (207) [system] peek_char((0x55772f068e50), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1468542, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1469474, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x55772f068e50), o)
   Exit: (207) [system] get_char((0x55772f068e50), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1476824)
   Call: (208) [system] peek_char((0x55772f068e50), _1477758)
   Exit: (208) [system] peek_char((0x55772f068e50), f)
^  Call: (208) [user] is_delimiter(f)
   Call: (209) [system] char_type(f, space)
   Fail: (209) [system] char_type(f, space)
   Call: (209) [system] arg(_1482478, v('(', ')', end_of_file), f)
   Fail: (209) [system] arg(_1483410, v('(', ')', end_of_file), f)
^  Fail: (208) [user] is_delimiter(f)
   Call: (208) [system] ')'==f
   Fail: (208) [system] ')'==f
   Call: (208) [system] get_char((0x55772f068e50), f)
   Exit: (208) [system] get_char((0x55772f068e50), f)
   Call: (208) [system] f=(\)
   Fail: (208) [system] f=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1490760)
   Call: (209) [system] peek_char((0x55772f068e50), _1491694)
   Exit: (209) [system] peek_char((0x55772f068e50), '4')
^  Call: (209) [user] is_delimiter('4')
   Call: (210) [system] char_type('4', space)
   Fail: (210) [system] char_type('4', space)
   Call: (210) [system] arg(_1496414, v('(', ')', end_of_file), '4')
   Fail: (210) [system] arg(_1497346, v('(', ')', end_of_file), '4')
^  Fail: (209) [user] is_delimiter('4')
   Call: (209) [system] ')'=='4'
   Fail: (209) [system] ')'=='4'
   Call: (209) [system] get_char((0x55772f068e50), '4')
   Exit: (209) [system] get_char((0x55772f068e50), '4')
   Call: (209) [system] '4'=(\)
   Fail: (209) [system] '4'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1504696)
   Call: (210) [system] peek_char((0x55772f068e50), _1505630)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1504696=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (209) [system] _1490760=['4']
   Exit: (209) [system] ['4']=['4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), ['4'])
   Call: (208) [system] _1476824=[f, '4']
   Exit: (208) [system] [f, '4']=[f, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '4'])
   Call: (207) [system] _1462888=[o, f, '4']
   Exit: (207) [system] [o, f, '4']=[o, f, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '4'])
   Call: (206) [system] _1448952=[o, o, f, '4']
   Exit: (206) [system] [o, o, f, '4']=[o, o, f, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '4'])
   Call: (205) [system] _1435016=[r, o, o, f, '4']
   Exit: (205) [system] [r, o, o, f, '4']=[r, o, o, f, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '4'])
   Call: (204) [system] _1421080=[p, r, o, o, f, '4']
   Exit: (204) [system] [p, r, o, o, f, '4']=[p, r, o, o, f, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '4'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, o, o, f, '4'], _1385570)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '4'], _1531678)
   Call: (205) [system] atom_chars(_1532610, ['_', p, r, o, o, f, '4'])
   Exit: (205) [system] atom_chars('_proof4', ['_', p, r, o, o, f, '4'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '4'], _proof4)
   Call: (204) [system] integer(_proof4)
   Fail: (204) [system] integer(_proof4)
   Call: (204) [system] _1385570=_proof4
   Exit: (204) [system] _proof4=_proof4
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, o, o, f, '4'], _proof4)
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), $, _proof4)
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), _proof4)
^  Call: (201) [user] read_list(')', (0x55772f068e50), _1541902)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1543760)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _1553354)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1556058)
   Exit: (204) [system] peek_char((0x55772f068e50), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1572992)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x55772f068e50), _1578562)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1580420)
   Exit: (204) [system] peek_char((0x55772f068e50), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] get_char((0x55772f068e50), _1596430)
   Exit: (203) [system] get_char((0x55772f068e50), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x55772f068e50), $, _1578562)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1614072)
   Call: (205) [system] peek_char((0x55772f068e50), _1615006)
   Exit: (205) [system] peek_char((0x55772f068e50), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Fail: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_1619726, v('(', ')', end_of_file), p)
   Fail: (206) [system] arg(_1620658, v('(', ')', end_of_file), p)
^  Fail: (205) [user] is_delimiter(p)
   Call: (205) [system] ')'==p
   Fail: (205) [system] ')'==p
   Call: (205) [system] get_char((0x55772f068e50), p)
   Exit: (205) [system] get_char((0x55772f068e50), p)
   Call: (205) [system] p=(\)
   Fail: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1628008)
   Call: (206) [system] peek_char((0x55772f068e50), _1628942)
   Exit: (206) [system] peek_char((0x55772f068e50), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_1633662, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_1634594, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x55772f068e50), r)
   Exit: (206) [system] get_char((0x55772f068e50), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1641944)
   Call: (207) [system] peek_char((0x55772f068e50), _1642878)
   Exit: (207) [system] peek_char((0x55772f068e50), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1647598, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1648530, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x55772f068e50), o)
   Exit: (207) [system] get_char((0x55772f068e50), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1655880)
   Call: (208) [system] peek_char((0x55772f068e50), _1656814)
   Exit: (208) [system] peek_char((0x55772f068e50), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Fail: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_1661534, v('(', ')', end_of_file), o)
   Fail: (209) [system] arg(_1662466, v('(', ')', end_of_file), o)
^  Fail: (208) [user] is_delimiter(o)
   Call: (208) [system] ')'==o
   Fail: (208) [system] ')'==o
   Call: (208) [system] get_char((0x55772f068e50), o)
   Exit: (208) [system] get_char((0x55772f068e50), o)
   Call: (208) [system] o=(\)
   Fail: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1669816)
   Call: (209) [system] peek_char((0x55772f068e50), _1670750)
   Exit: (209) [system] peek_char((0x55772f068e50), f)
^  Call: (209) [user] is_delimiter(f)
   Call: (210) [system] char_type(f, space)
   Fail: (210) [system] char_type(f, space)
   Call: (210) [system] arg(_1675470, v('(', ')', end_of_file), f)
   Fail: (210) [system] arg(_1676402, v('(', ')', end_of_file), f)
^  Fail: (209) [user] is_delimiter(f)
   Call: (209) [system] ')'==f
   Fail: (209) [system] ')'==f
   Call: (209) [system] get_char((0x55772f068e50), f)
   Exit: (209) [system] get_char((0x55772f068e50), f)
   Call: (209) [system] f=(\)
   Fail: (209) [system] f=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1683752)
   Call: (210) [system] peek_char((0x55772f068e50), _1684686)
   Exit: (210) [system] peek_char((0x55772f068e50), '5')
^  Call: (210) [user] is_delimiter('5')
   Call: (211) [system] char_type('5', space)
   Fail: (211) [system] char_type('5', space)
   Call: (211) [system] arg(_1689406, v('(', ')', end_of_file), '5')
   Fail: (211) [system] arg(_1690338, v('(', ')', end_of_file), '5')
^  Fail: (210) [user] is_delimiter('5')
   Call: (210) [system] ')'=='5'
   Fail: (210) [system] ')'=='5'
   Call: (210) [system] get_char((0x55772f068e50), '5')
   Exit: (210) [system] get_char((0x55772f068e50), '5')
   Call: (210) [system] '5'=(\)
   Fail: (210) [system] '5'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1697688)
   Call: (211) [system] peek_char((0x55772f068e50), _1698622)
   Exit: (211) [system] peek_char((0x55772f068e50), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_1703342, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _1697688=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (210) [system] _1683752=['5']
   Exit: (210) [system] ['5']=['5']
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), ['5'])
   Call: (209) [system] _1669816=[f, '5']
   Exit: (209) [system] [f, '5']=[f, '5']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '5'])
   Call: (208) [system] _1655880=[o, f, '5']
   Exit: (208) [system] [o, f, '5']=[o, f, '5']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '5'])
   Call: (207) [system] _1641944=[o, o, f, '5']
   Exit: (207) [system] [o, o, f, '5']=[o, o, f, '5']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '5'])
   Call: (206) [system] _1628008=[r, o, o, f, '5']
   Exit: (206) [system] [r, o, o, f, '5']=[r, o, o, f, '5']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '5'])
   Call: (205) [system] _1614072=[p, r, o, o, f, '5']
   Exit: (205) [system] [p, r, o, o, f, '5']=[p, r, o, o, f, '5']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '5'])
^  Call: (204) [user] classify_and_convert_charseq([$, p, r, o, o, f, '5'], _1578562)
^  Call: (205) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '5'], _1726542)
   Call: (206) [system] atom_chars(_1727474, ['_', p, r, o, o, f, '5'])
   Exit: (206) [system] atom_chars('_proof5', ['_', p, r, o, o, f, '5'])
^  Exit: (205) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '5'], _proof5)
   Call: (205) [system] integer(_proof5)
   Fail: (205) [system] integer(_proof5)
   Call: (205) [system] _1578562=_proof5
   Exit: (205) [system] _proof5=_proof5
^  Exit: (204) [user] classify_and_convert_charseq([$, p, r, o, o, f, '5'], _proof5)
^  Exit: (203) [user] read_symbolic(')', (0x55772f068e50), $, _proof5)
^  Exit: (202) [user] cont_sexpr(')', (0x55772f068e50), _proof5)
^  Call: (202) [user] read_list(')', (0x55772f068e50), _1736766)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1738624)
   Exit: (204) [system] peek_char((0x55772f068e50), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1754634)
   Exit: (203) [system] peek_char((0x55772f068e50), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x55772f068e50), _1758424)
   Exit: (203) [system] get_char((0x55772f068e50), ')')
   Call: (203) [system] _1736766=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x55772f068e50), [])
   Call: (202) [system] _1541902=[_proof5]
   Exit: (202) [system] [_proof5]=[_proof5]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [_proof5])
   Call: (201) [system] _1348910=[_proof4, _proof5]
   Exit: (201) [system] [_proof4, _proof5]=[_proof4, _proof5]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [_proof4, _proof5])
   Call: (200) [system] _1155918=[_proof3, _proof4, _proof5]
   Exit: (200) [system] [_proof3, _proof4, _proof5]=[_proof3, _proof4, _proof5]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [_proof3, _proof4, _proof5])
   Call: (199) [system] _962926=[_proof2, _proof3, _proof4, _proof5]
   Exit: (199) [system] [_proof2, _proof3, _proof4, _proof5]=[_proof2, _proof3, _proof4, _proof5]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [_proof2, _proof3, _proof4, _proof5])
   Call: (198) [system] _769934=[_proof1, _proof2, _proof3, _proof4, _proof5]
   Exit: (198) [system] [_proof1, _proof2, _proof3, _proof4, _proof5]=[_proof1, _proof2, _proof3, _proof4, _proof5]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [_proof1, _proof2, _proof3, _proof4, _proof5])
   Call: (197) [system] _568584=[_ructor, _proof1, _proof2, _proof3, _proof4, _proof5]
   Exit: (197) [system] [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5]=[_ructor, _proof1, _proof2, _proof3, _proof4, _proof5]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5])
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5])
^  Call: (195) [user] read_list(')', (0x55772f068e50), _1780688)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1782546)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _1792140)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1794844)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1811778)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _1817348)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1819206)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _1835216)
   Exit: (197) [system] get_char((0x55772f068e50), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x55772f068e50), $, _1817348)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1852858)
   Call: (199) [system] peek_char((0x55772f068e50), _1853792)
   Exit: (199) [system] peek_char((0x55772f068e50), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_1858512, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_1859444, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x55772f068e50), c)
   Exit: (199) [system] get_char((0x55772f068e50), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1866794)
   Call: (200) [system] peek_char((0x55772f068e50), _1867728)
   Exit: (200) [system] peek_char((0x55772f068e50), o)
^  Call: (200) [user] is_delimiter(o)
   Call: (201) [system] char_type(o, space)
   Fail: (201) [system] char_type(o, space)
   Call: (201) [system] arg(_1872448, v('(', ')', end_of_file), o)
   Fail: (201) [system] arg(_1873380, v('(', ')', end_of_file), o)
^  Fail: (200) [user] is_delimiter(o)
   Call: (200) [system] ')'==o
   Fail: (200) [system] ')'==o
   Call: (200) [system] get_char((0x55772f068e50), o)
   Exit: (200) [system] get_char((0x55772f068e50), o)
   Call: (200) [system] o=(\)
   Fail: (200) [system] o=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1880730)
   Call: (201) [system] peek_char((0x55772f068e50), _1881664)
   Exit: (201) [system] peek_char((0x55772f068e50), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_1886384, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_1887316, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x55772f068e50), n)
   Exit: (201) [system] get_char((0x55772f068e50), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1894666)
   Call: (202) [system] peek_char((0x55772f068e50), _1895600)
   Exit: (202) [system] peek_char((0x55772f068e50), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_1900320, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_1901252, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x55772f068e50), c)
   Exit: (202) [system] get_char((0x55772f068e50), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1908602)
   Call: (203) [system] peek_char((0x55772f068e50), _1909536)
   Exit: (203) [system] peek_char((0x55772f068e50), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Fail: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_1914256, v('(', ')', end_of_file), l)
   Fail: (204) [system] arg(_1915188, v('(', ')', end_of_file), l)
^  Fail: (203) [user] is_delimiter(l)
   Call: (203) [system] ')'==l
   Fail: (203) [system] ')'==l
   Call: (203) [system] get_char((0x55772f068e50), l)
   Exit: (203) [system] get_char((0x55772f068e50), l)
   Call: (203) [system] l=(\)
   Fail: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1922538)
   Call: (204) [system] peek_char((0x55772f068e50), _1923472)
   Exit: (204) [system] peek_char((0x55772f068e50), u)
^  Call: (204) [user] is_delimiter(u)
   Call: (205) [system] char_type(u, space)
   Fail: (205) [system] char_type(u, space)
   Call: (205) [system] arg(_1928192, v('(', ')', end_of_file), u)
   Fail: (205) [system] arg(_1929124, v('(', ')', end_of_file), u)
^  Fail: (204) [user] is_delimiter(u)
   Call: (204) [system] ')'==u
   Fail: (204) [system] ')'==u
   Call: (204) [system] get_char((0x55772f068e50), u)
   Exit: (204) [system] get_char((0x55772f068e50), u)
   Call: (204) [system] u=(\)
   Fail: (204) [system] u=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1936474)
   Call: (205) [system] peek_char((0x55772f068e50), _1937408)
   Exit: (205) [system] peek_char((0x55772f068e50), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_1942128, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_1943060, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x55772f068e50), s)
   Exit: (205) [system] get_char((0x55772f068e50), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1950410)
   Call: (206) [system] peek_char((0x55772f068e50), _1951344)
   Exit: (206) [system] peek_char((0x55772f068e50), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1956064, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_1956996, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x55772f068e50), i)
   Exit: (206) [system] get_char((0x55772f068e50), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1964346)
   Call: (207) [system] peek_char((0x55772f068e50), _1965280)
   Exit: (207) [system] peek_char((0x55772f068e50), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1970000, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1970932, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x55772f068e50), o)
   Exit: (207) [system] get_char((0x55772f068e50), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1978282)
   Call: (208) [system] peek_char((0x55772f068e50), _1979216)
   Exit: (208) [system] peek_char((0x55772f068e50), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1983936, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1984868, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x55772f068e50), n)
   Exit: (208) [system] get_char((0x55772f068e50), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1992218)
   Call: (209) [system] peek_char((0x55772f068e50), _1993152)
   Exit: (209) [system] peek_char((0x55772f068e50), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_1997872, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _1992218=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (208) [system] _1978282=[n]
   Exit: (208) [system] [n]=[n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (207) [system] _1964346=[o, n]
   Exit: (207) [system] [o, n]=[o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (206) [system] _1950410=[i, o, n]
   Exit: (206) [system] [i, o, n]=[i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (205) [system] _1936474=[s, i, o, n]
   Exit: (205) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [s, i, o, n])
   Call: (204) [system] _1922538=[u, s, i, o, n]
   Exit: (204) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [u, s, i, o, n])
   Call: (203) [system] _1908602=[l, u, s, i, o, n]
   Exit: (203) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [l, u, s, i, o, n])
   Call: (202) [system] _1894666=[c, l, u, s, i, o, n]
   Exit: (202) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [c, l, u, s, i, o, n])
   Call: (201) [system] _1880730=[n, c, l, u, s, i, o, n]
   Exit: (201) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, l, u, s, i, o, n])
   Call: (200) [system] _1866794=[o, n, c, l, u, s, i, o, n]
   Exit: (200) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, c, l, u, s, i, o, n])
   Call: (199) [system] _1852858=[c, o, n, c, l, u, s, i, o, n]
   Exit: (199) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [c, o, n, c, l, u, s, i, o, n])
^  Call: (198) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _1817348)
^  Call: (199) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _2032248)
   Call: (200) [system] atom_chars(_2033180, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (200) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (199) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
   Call: (199) [system] integer(_conclusion)
   Fail: (199) [system] integer(_conclusion)
   Call: (199) [system] _1817348=_conclusion
   Exit: (199) [system] _conclusion=_conclusion
^  Exit: (198) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (197) [user] read_symbolic(')', (0x55772f068e50), $, _conclusion)
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), _conclusion)
^  Call: (196) [user] read_list(')', (0x55772f068e50), _2042472)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _2044330)
   Exit: (198) [system] peek_char((0x55772f068e50), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _2060340)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x55772f068e50), _2064130)
   Exit: (197) [system] get_char((0x55772f068e50), ')')
   Call: (197) [system] _2042472=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [])
   Call: (196) [system] _1780688=[_conclusion]
   Exit: (196) [system] [_conclusion]=[_conclusion]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [_conclusion])
   Call: (195) [system] _531924=[[_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion]
   Exit: (195) [system] [[_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion]=[[_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [[_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion])
   Call: (194) [system] _428098=[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion]
   Exit: (194) [system] [:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion]=[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion])
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), [:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion])
^  Call: (192) [user] read_list(')', (0x55772f068e50), _2078012)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _2079870)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _2089464)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _2092168)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _15894)
   Exit: (193) [system] peek_char((0x55772f068e50), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _21464)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _23322)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _39332)
   Exit: (194) [system] get_char((0x55772f068e50), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x55772f068e50), $, _21464)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _56974)
   Call: (196) [system] peek_char((0x55772f068e50), _57908)
   Exit: (196) [system] peek_char((0x55772f068e50), q)
^  Call: (196) [user] is_delimiter(q)
   Call: (197) [system] char_type(q, space)
   Fail: (197) [system] char_type(q, space)
   Call: (197) [system] arg(_62628, v('(', ')', end_of_file), q)
   Fail: (197) [system] arg(_63560, v('(', ')', end_of_file), q)
^  Fail: (196) [user] is_delimiter(q)
   Call: (196) [system] ')'==q
   Fail: (196) [system] ')'==q
   Call: (196) [system] get_char((0x55772f068e50), q)
   Exit: (196) [system] get_char((0x55772f068e50), q)
   Call: (196) [system] q=(\)
   Fail: (196) [system] q=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _70910)
   Call: (197) [system] peek_char((0x55772f068e50), _71844)
   Exit: (197) [system] peek_char((0x55772f068e50), u)
^  Call: (197) [user] is_delimiter(u)
   Call: (198) [system] char_type(u, space)
   Fail: (198) [system] char_type(u, space)
   Call: (198) [system] arg(_76564, v('(', ')', end_of_file), u)
   Fail: (198) [system] arg(_77496, v('(', ')', end_of_file), u)
^  Fail: (197) [user] is_delimiter(u)
   Call: (197) [system] ')'==u
   Fail: (197) [system] ')'==u
   Call: (197) [system] get_char((0x55772f068e50), u)
   Exit: (197) [system] get_char((0x55772f068e50), u)
   Call: (197) [system] u=(\)
   Fail: (197) [system] u=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _84846)
   Call: (198) [system] peek_char((0x55772f068e50), _85780)
   Exit: (198) [system] peek_char((0x55772f068e50), e)
^  Call: (198) [user] is_delimiter(e)
   Call: (199) [system] char_type(e, space)
   Fail: (199) [system] char_type(e, space)
   Call: (199) [system] arg(_90500, v('(', ')', end_of_file), e)
   Fail: (199) [system] arg(_91432, v('(', ')', end_of_file), e)
^  Fail: (198) [user] is_delimiter(e)
   Call: (198) [system] ')'==e
   Fail: (198) [system] ')'==e
   Call: (198) [system] get_char((0x55772f068e50), e)
   Exit: (198) [system] get_char((0x55772f068e50), e)
   Call: (198) [system] e=(\)
   Fail: (198) [system] e=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _98782)
   Call: (199) [system] peek_char((0x55772f068e50), _99716)
   Exit: (199) [system] peek_char((0x55772f068e50), r)
^  Call: (199) [user] is_delimiter(r)
   Call: (200) [system] char_type(r, space)
   Fail: (200) [system] char_type(r, space)
   Call: (200) [system] arg(_104436, v('(', ')', end_of_file), r)
   Fail: (200) [system] arg(_105368, v('(', ')', end_of_file), r)
^  Fail: (199) [user] is_delimiter(r)
   Call: (199) [system] ')'==r
   Fail: (199) [system] ')'==r
   Call: (199) [system] get_char((0x55772f068e50), r)
   Exit: (199) [system] get_char((0x55772f068e50), r)
   Call: (199) [system] r=(\)
   Fail: (199) [system] r=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _112718)
   Call: (200) [system] peek_char((0x55772f068e50), _113652)
   Exit: (200) [system] peek_char((0x55772f068e50), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Fail: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_118372, v('(', ')', end_of_file), y)
   Fail: (201) [system] arg(_119304, v('(', ')', end_of_file), y)
^  Fail: (200) [user] is_delimiter(y)
   Call: (200) [system] ')'==y
   Fail: (200) [system] ')'==y
   Call: (200) [system] get_char((0x55772f068e50), y)
   Exit: (200) [system] get_char((0x55772f068e50), y)
   Call: (200) [system] y=(\)
   Fail: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _126654)
   Call: (201) [system] peek_char((0x55772f068e50), _127588)
   Exit: (201) [system] peek_char((0x55772f068e50), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_132308, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _126654=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (200) [system] _112718=[y]
   Exit: (200) [system] [y]=[y]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [y])
   Call: (199) [system] _98782=[r, y]
   Exit: (199) [system] [r, y]=[r, y]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [r, y])
   Call: (198) [system] _84846=[e, r, y]
   Exit: (198) [system] [e, r, y]=[e, r, y]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [e, r, y])
   Call: (197) [system] _70910=[u, e, r, y]
   Exit: (197) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [u, e, r, y])
   Call: (196) [system] _56974=[q, u, e, r, y]
   Exit: (196) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [q, u, e, r, y])
^  Call: (195) [user] classify_and_convert_charseq([$, q, u, e, r, y], _21464)
^  Call: (196) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _152714)
   Call: (197) [system] atom_chars(_153646, ['_', q, u, e, r, y])
   Exit: (197) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (196) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (196) [system] integer(_query)
   Fail: (196) [system] integer(_query)
   Call: (196) [system] _21464=_query
   Exit: (196) [system] _query=_query
^  Exit: (195) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (194) [user] read_symbolic(')', (0x55772f068e50), $, _query)
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), _query)
^  Call: (193) [user] read_list(')', (0x55772f068e50), _162938)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _164796)
   Exit: (195) [system] peek_char((0x55772f068e50), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _180806)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x55772f068e50), _184596)
   Exit: (194) [system] get_char((0x55772f068e50), ')')
   Call: (194) [system] _162938=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [])
   Call: (193) [system] _3654=[_query]
   Exit: (193) [system] [_query]=[_query]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [_query])
   Call: (192) [system] _3564=[[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query]
   Exit: (192) [system] [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query]=[[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query])
^  Exit: (190) [user] cont_sexpr(')', (0x55772f068e50), [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query])
^  Call: (190) [user] read_list(')', (0x55772f068e50), _195684)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _197542)
   Exit: (192) [system] peek_char((0x55772f068e50), '\n')
   Call: (192) [system] '\n'=(;)
   Fail: (192) [system] '\n'=(;)
   Call: (192) [system] '\n'=(/)
   Fail: (192) [system] '\n'=(/)
^  Call: (192) [user] is_like_space('\n')
   Call: (193) [system] char_type('\n', 'white')
   Fail: (193) [system] char_type('\n', 'white')
   Call: (193) [system] char_type('\n', end_of_line)
   Exit: (193) [system] char_type('\n', end_of_line)
^  Exit: (192) [user] is_like_space('\n')
   Call: (192) [system] get_char((0x55772f068e50), _208992)
   Exit: (192) [system] get_char((0x55772f068e50), '\n')
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _211696)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _221290)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _223994)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _233588)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _236292)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _245886)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _248590)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _258184)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _260888)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _270482)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _273186)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _282780)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _285484)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _295078)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _297782)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _307376)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _310080)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _319674)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _322378)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _331972)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _334676)
   Exit: (203) [system] peek_char((0x55772f068e50), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _360850)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x55772f068e50), _366420)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _368278)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] get_char((0x55772f068e50), _384288)
   Exit: (192) [system] get_char((0x55772f068e50), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x55772f068e50), _366420)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _389858)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _405868)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _411438)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _413296)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _429306)
   Exit: (194) [system] get_char((0x55772f068e50), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x55772f068e50), _411438)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _434876)
   Exit: (196) [system] peek_char((0x55772f068e50), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _450886)
   Exit: (195) [system] peek_char((0x55772f068e50), :)
   Call: (195) [system] (:)=')'
   Fail: (195) [system] (:)=')'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _456456)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _458314)
   Exit: (197) [system] peek_char((0x55772f068e50), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
   Call: (197) [system] (:)=(/)
   Fail: (197) [system] (:)=(/)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _474324)
   Exit: (196) [system] get_char((0x55772f068e50), :)
   Call: (196) [system] (:)='('
   Fail: (196) [system] (:)='('
   Call: (196) [system] (:)='['
   Fail: (196) [system] (:)='['
   Call: (196) [system] (:)='{'
   Fail: (196) [system] (:)='{'
   Call: (196) [system] (:)='"'
   Fail: (196) [system] (:)='"'
   Call: (196) [system] (:)=!
   Fail: (196) [system] (:)=!
   Call: (196) [system] (:)='\''
   Fail: (196) [system] (:)='\''
   Call: (196) [system] (:)='`'
   Fail: (196) [system] (:)='`'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x55772f068e50), :, _456456)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _491966)
   Call: (198) [system] peek_char((0x55772f068e50), _492900)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _491966=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (197) [user] classify_and_convert_charseq([:], _456456)
^  Call: (198) [user] classify_and_convert_charseq_([:], _502184)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_503136, _503138), once(user:catch(read_from_chars([:], _502184), _503118, fail)), '$restore_trace'(_503136, _503138))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_503136, _503138))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _503118, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(:)
   Exit: (199) [system] atomic(:)
^  Exit: (198) [user] classify_and_convert_charseq_([:], :)
   Call: (198) [system] integer(:)
   Fail: (198) [system] integer(:)
   Call: (198) [system] _456456=(:)
   Exit: (198) [system] (:)=(:)
^  Exit: (197) [user] classify_and_convert_charseq([:], :)
^  Exit: (196) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (195) [user] read_list(')', (0x55772f068e50), _515264)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _517122)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _526716)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _529420)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _546354)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _551924)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _553782)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _569792)
   Exit: (197) [system] get_char((0x55772f068e50), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x55772f068e50), $, _551924)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _587434)
   Call: (199) [system] peek_char((0x55772f068e50), _588368)
   Exit: (199) [system] peek_char((0x55772f068e50), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_593088, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_594020, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x55772f068e50), p)
   Exit: (199) [system] get_char((0x55772f068e50), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _601370)
   Call: (200) [system] peek_char((0x55772f068e50), _602304)
   Exit: (200) [system] peek_char((0x55772f068e50), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_607024, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_607956, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x55772f068e50), r)
   Exit: (200) [system] get_char((0x55772f068e50), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _615306)
   Call: (201) [system] peek_char((0x55772f068e50), _616240)
   Exit: (201) [system] peek_char((0x55772f068e50), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_620960, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_621892, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x55772f068e50), o)
   Exit: (201) [system] get_char((0x55772f068e50), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _629242)
   Call: (202) [system] peek_char((0x55772f068e50), _630176)
   Exit: (202) [system] peek_char((0x55772f068e50), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_634896, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_635828, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x55772f068e50), o)
   Exit: (202) [system] get_char((0x55772f068e50), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _643178)
   Call: (203) [system] peek_char((0x55772f068e50), _644112)
   Exit: (203) [system] peek_char((0x55772f068e50), f)
^  Call: (203) [user] is_delimiter(f)
   Call: (204) [system] char_type(f, space)
   Fail: (204) [system] char_type(f, space)
   Call: (204) [system] arg(_648832, v('(', ')', end_of_file), f)
   Fail: (204) [system] arg(_649764, v('(', ')', end_of_file), f)
^  Fail: (203) [user] is_delimiter(f)
   Call: (203) [system] ')'==f
   Fail: (203) [system] ')'==f
   Call: (203) [system] get_char((0x55772f068e50), f)
   Exit: (203) [system] get_char((0x55772f068e50), f)
   Call: (203) [system] f=(\)
   Fail: (203) [system] f=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _657114)
   Call: (204) [system] peek_char((0x55772f068e50), _658048)
   Exit: (204) [system] peek_char((0x55772f068e50), '1')
^  Call: (204) [user] is_delimiter('1')
   Call: (205) [system] char_type('1', space)
   Fail: (205) [system] char_type('1', space)
   Call: (205) [system] arg(_662768, v('(', ')', end_of_file), '1')
   Fail: (205) [system] arg(_663700, v('(', ')', end_of_file), '1')
^  Fail: (204) [user] is_delimiter('1')
   Call: (204) [system] ')'=='1'
   Fail: (204) [system] ')'=='1'
   Call: (204) [system] get_char((0x55772f068e50), '1')
   Exit: (204) [system] get_char((0x55772f068e50), '1')
   Call: (204) [system] '1'=(\)
   Fail: (204) [system] '1'=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _671050)
   Call: (205) [system] peek_char((0x55772f068e50), _671984)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _671050=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (204) [system] _657114=['1']
   Exit: (204) [system] ['1']=['1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), ['1'])
   Call: (203) [system] _643178=[f, '1']
   Exit: (203) [system] [f, '1']=[f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '1'])
   Call: (202) [system] _629242=[o, f, '1']
   Exit: (202) [system] [o, f, '1']=[o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '1'])
   Call: (201) [system] _615306=[o, o, f, '1']
   Exit: (201) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '1'])
   Call: (200) [system] _601370=[r, o, o, f, '1']
   Exit: (200) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '1'])
   Call: (199) [system] _587434=[p, r, o, o, f, '1']
   Exit: (199) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '1'])
^  Call: (198) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _551924)
^  Call: (199) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _698032)
   Call: (200) [system] atom_chars(_698964, ['_', p, r, o, o, f, '1'])
   Exit: (200) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (199) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _proof1)
   Call: (199) [system] integer(_proof1)
   Fail: (199) [system] integer(_proof1)
   Call: (199) [system] _551924=_proof1
   Exit: (199) [system] _proof1=_proof1
^  Exit: (198) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _proof1)
^  Exit: (197) [user] read_symbolic(')', (0x55772f068e50), $, _proof1)
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), _proof1)
^  Call: (196) [user] read_list(')', (0x55772f068e50), _708256)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _710114)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _719708)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _722412)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _739346)
   Exit: (197) [system] peek_char((0x55772f068e50), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _744916)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _746774)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _762784)
   Exit: (198) [system] get_char((0x55772f068e50), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x55772f068e50), $, _744916)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _780426)
   Call: (200) [system] peek_char((0x55772f068e50), _781360)
   Exit: (200) [system] peek_char((0x55772f068e50), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_786080, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_787012, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x55772f068e50), p)
   Exit: (200) [system] get_char((0x55772f068e50), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _794362)
   Call: (201) [system] peek_char((0x55772f068e50), _795296)
   Exit: (201) [system] peek_char((0x55772f068e50), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Fail: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_800016, v('(', ')', end_of_file), r)
   Fail: (202) [system] arg(_800948, v('(', ')', end_of_file), r)
^  Fail: (201) [user] is_delimiter(r)
   Call: (201) [system] ')'==r
   Fail: (201) [system] ')'==r
   Call: (201) [system] get_char((0x55772f068e50), r)
   Exit: (201) [system] get_char((0x55772f068e50), r)
   Call: (201) [system] r=(\)
   Fail: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _808298)
   Call: (202) [system] peek_char((0x55772f068e50), _809232)
   Exit: (202) [system] peek_char((0x55772f068e50), e)
^  Call: (202) [user] is_delimiter(e)
   Call: (203) [system] char_type(e, space)
   Fail: (203) [system] char_type(e, space)
   Call: (203) [system] arg(_813952, v('(', ')', end_of_file), e)
   Fail: (203) [system] arg(_814884, v('(', ')', end_of_file), e)
^  Fail: (202) [user] is_delimiter(e)
   Call: (202) [system] ')'==e
   Fail: (202) [system] ')'==e
   Call: (202) [system] get_char((0x55772f068e50), e)
   Exit: (202) [system] get_char((0x55772f068e50), e)
   Call: (202) [system] e=(\)
   Fail: (202) [system] e=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _822234)
   Call: (203) [system] peek_char((0x55772f068e50), _823168)
   Exit: (203) [system] peek_char((0x55772f068e50), m)
^  Call: (203) [user] is_delimiter(m)
   Call: (204) [system] char_type(m, space)
   Fail: (204) [system] char_type(m, space)
   Call: (204) [system] arg(_827888, v('(', ')', end_of_file), m)
   Fail: (204) [system] arg(_828820, v('(', ')', end_of_file), m)
^  Fail: (203) [user] is_delimiter(m)
   Call: (203) [system] ')'==m
   Fail: (203) [system] ')'==m
   Call: (203) [system] get_char((0x55772f068e50), m)
   Exit: (203) [system] get_char((0x55772f068e50), m)
   Call: (203) [system] m=(\)
   Fail: (203) [system] m=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _836170)
   Call: (204) [system] peek_char((0x55772f068e50), _837104)
   Exit: (204) [system] peek_char((0x55772f068e50), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_841824, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_842756, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x55772f068e50), i)
   Exit: (204) [system] get_char((0x55772f068e50), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _850106)
   Call: (205) [system] peek_char((0x55772f068e50), _851040)
   Exit: (205) [system] peek_char((0x55772f068e50), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_855760, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_856692, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x55772f068e50), s)
   Exit: (205) [system] get_char((0x55772f068e50), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _864042)
   Call: (206) [system] peek_char((0x55772f068e50), _864976)
   Exit: (206) [system] peek_char((0x55772f068e50), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_869696, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_870628, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x55772f068e50), e)
   Exit: (206) [system] get_char((0x55772f068e50), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _877978)
   Call: (207) [system] peek_char((0x55772f068e50), _878912)
   Exit: (207) [system] peek_char((0x55772f068e50), '1')
^  Call: (207) [user] is_delimiter('1')
   Call: (208) [system] char_type('1', space)
   Fail: (208) [system] char_type('1', space)
   Call: (208) [system] arg(_883632, v('(', ')', end_of_file), '1')
   Fail: (208) [system] arg(_884564, v('(', ')', end_of_file), '1')
^  Fail: (207) [user] is_delimiter('1')
   Call: (207) [system] ')'=='1'
   Fail: (207) [system] ')'=='1'
   Call: (207) [system] get_char((0x55772f068e50), '1')
   Exit: (207) [system] get_char((0x55772f068e50), '1')
   Call: (207) [system] '1'=(\)
   Fail: (207) [system] '1'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _891914)
   Call: (208) [system] peek_char((0x55772f068e50), _892848)
   Exit: (208) [system] peek_char((0x55772f068e50), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_897568, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _891914=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (207) [system] _877978=['1']
   Exit: (207) [system] ['1']=['1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), ['1'])
   Call: (206) [system] _864042=[e, '1']
   Exit: (206) [system] [e, '1']=[e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '1'])
   Call: (205) [system] _850106=[s, e, '1']
   Exit: (205) [system] [s, e, '1']=[s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '1'])
   Call: (204) [system] _836170=[i, s, e, '1']
   Exit: (204) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '1'])
   Call: (203) [system] _822234=[m, i, s, e, '1']
   Exit: (203) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '1'])
   Call: (202) [system] _808298=[e, m, i, s, e, '1']
   Exit: (202) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '1'])
   Call: (201) [system] _794362=[r, e, m, i, s, e, '1']
   Exit: (201) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '1'])
   Call: (200) [system] _780426=[p, r, e, m, i, s, e, '1']
   Exit: (200) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '1'])
^  Call: (199) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _744916)
^  Call: (200) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _926356)
   Call: (201) [system] atom_chars(_927288, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (201) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (200) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _premise1)
   Call: (200) [system] integer(_premise1)
   Fail: (200) [system] integer(_premise1)
   Call: (200) [system] _744916=_premise1
   Exit: (200) [system] _premise1=_premise1
^  Exit: (199) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (198) [user] read_symbolic(')', (0x55772f068e50), $, _premise1)
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), _premise1)
^  Call: (197) [user] read_list(')', (0x55772f068e50), _936580)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _938438)
   Exit: (199) [system] peek_char((0x55772f068e50), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _954448)
   Exit: (198) [system] peek_char((0x55772f068e50), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x55772f068e50), _958238)
   Exit: (198) [system] get_char((0x55772f068e50), ')')
   Call: (198) [system] _936580=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [])
   Call: (197) [system] _708256=[_premise1]
   Exit: (197) [system] [_premise1]=[_premise1]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [_premise1])
   Call: (196) [system] _515264=[_proof1, _premise1]
   Exit: (196) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [_proof1, _premise1])
   Call: (195) [system] _411438=[:, _proof1, _premise1]
   Exit: (195) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [:, _proof1, _premise1])
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), [:, _proof1, _premise1])
^  Call: (193) [user] read_list(')', (0x55772f068e50), _972120)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _973978)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _983572)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _986276)
   Exit: (196) [system] peek_char((0x55772f068e50), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1003210)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _1008780)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1010638)
   Exit: (196) [system] peek_char((0x55772f068e50), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _1026648)
   Exit: (195) [system] get_char((0x55772f068e50), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x55772f068e50), _1008780)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1032218)
   Exit: (197) [system] peek_char((0x55772f068e50), s)
   Call: (197) [system] s=(;)
   Fail: (197) [system] s=(;)
   Call: (197) [system] s=(/)
   Fail: (197) [system] s=(/)
^  Call: (197) [user] is_like_space(s)
   Call: (198) [system] char_type(s, 'white')
   Fail: (198) [system] char_type(s, 'white')
   Call: (198) [system] char_type(s, end_of_line)
   Fail: (198) [system] char_type(s, end_of_line)
   Call: (198) [system] char_type(s, space)
   Fail: (198) [system] char_type(s, space)
   Call: (198) [system] char_type(s, cntrl)
   Fail: (198) [system] char_type(s, cntrl)
^  Fail: (197) [user] is_like_space(s)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1048228)
   Exit: (196) [system] peek_char((0x55772f068e50), s)
   Call: (196) [system] s=')'
   Fail: (196) [system] s=')'
   Call: (196) [system] s=end_of_file
   Fail: (196) [system] s=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _1053798)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1055656)
   Exit: (198) [system] peek_char((0x55772f068e50), s)
   Call: (198) [system] s=(;)
   Fail: (198) [system] s=(;)
   Call: (198) [system] s=(/)
   Fail: (198) [system] s=(/)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Fail: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Fail: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
   Fail: (199) [system] char_type(s, cntrl)
^  Fail: (198) [user] is_like_space(s)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _1071666)
   Exit: (197) [system] get_char((0x55772f068e50), s)
   Call: (197) [system] s='('
   Fail: (197) [system] s='('
   Call: (197) [system] s='['
   Fail: (197) [system] s='['
   Call: (197) [system] s='{'
   Fail: (197) [system] s='{'
   Call: (197) [system] s='"'
   Fail: (197) [system] s='"'
   Call: (197) [system] s=!
   Fail: (197) [system] s=!
   Call: (197) [system] s='\''
   Fail: (197) [system] s='\''
   Call: (197) [system] s='`'
   Fail: (197) [system] s='`'
   Call: (197) [system] s=end_of_file
   Fail: (197) [system] s=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x55772f068e50), s, _1053798)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1089308)
   Call: (199) [system] peek_char((0x55772f068e50), _1090242)
   Exit: (199) [system] peek_char((0x55772f068e50), y)
^  Call: (199) [user] is_delimiter(y)
   Call: (200) [system] char_type(y, space)
   Fail: (200) [system] char_type(y, space)
   Call: (200) [system] arg(_1094962, v('(', ')', end_of_file), y)
   Fail: (200) [system] arg(_1095894, v('(', ')', end_of_file), y)
^  Fail: (199) [user] is_delimiter(y)
   Call: (199) [system] ')'==y
   Fail: (199) [system] ')'==y
   Call: (199) [system] get_char((0x55772f068e50), y)
   Exit: (199) [system] get_char((0x55772f068e50), y)
   Call: (199) [system] y=(\)
   Fail: (199) [system] y=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1103244)
   Call: (200) [system] peek_char((0x55772f068e50), _1104178)
   Exit: (200) [system] peek_char((0x55772f068e50), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Fail: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_1108898, v('(', ')', end_of_file), n)
   Fail: (201) [system] arg(_1109830, v('(', ')', end_of_file), n)
^  Fail: (200) [user] is_delimiter(n)
   Call: (200) [system] ')'==n
   Fail: (200) [system] ')'==n
   Call: (200) [system] get_char((0x55772f068e50), n)
   Exit: (200) [system] get_char((0x55772f068e50), n)
   Call: (200) [system] n=(\)
   Fail: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1117180)
   Call: (201) [system] peek_char((0x55772f068e50), _1118114)
   Exit: (201) [system] peek_char((0x55772f068e50), t)
^  Call: (201) [user] is_delimiter(t)
   Call: (202) [system] char_type(t, space)
   Fail: (202) [system] char_type(t, space)
   Call: (202) [system] arg(_1122834, v('(', ')', end_of_file), t)
   Fail: (202) [system] arg(_1123766, v('(', ')', end_of_file), t)
^  Fail: (201) [user] is_delimiter(t)
   Call: (201) [system] ')'==t
   Fail: (201) [system] ')'==t
   Call: (201) [system] get_char((0x55772f068e50), t)
   Exit: (201) [system] get_char((0x55772f068e50), t)
   Call: (201) [system] t=(\)
   Fail: (201) [system] t=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1131116)
   Call: (202) [system] peek_char((0x55772f068e50), _1132050)
   Exit: (202) [system] peek_char((0x55772f068e50), h)
^  Call: (202) [user] is_delimiter(h)
   Call: (203) [system] char_type(h, space)
   Fail: (203) [system] char_type(h, space)
   Call: (203) [system] arg(_1136770, v('(', ')', end_of_file), h)
   Fail: (203) [system] arg(_1137702, v('(', ')', end_of_file), h)
^  Fail: (202) [user] is_delimiter(h)
   Call: (202) [system] ')'==h
   Fail: (202) [system] ')'==h
   Call: (202) [system] get_char((0x55772f068e50), h)
   Exit: (202) [system] get_char((0x55772f068e50), h)
   Call: (202) [system] h=(\)
   Fail: (202) [system] h=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1145052)
   Call: (203) [system] peek_char((0x55772f068e50), _1145986)
   Exit: (203) [system] peek_char((0x55772f068e50), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_1150706, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_1151638, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x55772f068e50), e)
   Exit: (203) [system] get_char((0x55772f068e50), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1158988)
   Call: (204) [system] peek_char((0x55772f068e50), _1159922)
   Exit: (204) [system] peek_char((0x55772f068e50), s)
^  Call: (204) [user] is_delimiter(s)
   Call: (205) [system] char_type(s, space)
   Fail: (205) [system] char_type(s, space)
   Call: (205) [system] arg(_1164642, v('(', ')', end_of_file), s)
   Fail: (205) [system] arg(_1165574, v('(', ')', end_of_file), s)
^  Fail: (204) [user] is_delimiter(s)
   Call: (204) [system] ')'==s
   Fail: (204) [system] ')'==s
   Call: (204) [system] get_char((0x55772f068e50), s)
   Exit: (204) [system] get_char((0x55772f068e50), s)
   Call: (204) [system] s=(\)
   Fail: (204) [system] s=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1172924)
   Call: (205) [system] peek_char((0x55772f068e50), _1173858)
   Exit: (205) [system] peek_char((0x55772f068e50), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_1178578, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_1179510, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x55772f068e50), i)
   Exit: (205) [system] get_char((0x55772f068e50), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1186860)
   Call: (206) [system] peek_char((0x55772f068e50), _1187794)
   Exit: (206) [system] peek_char((0x55772f068e50), z)
^  Call: (206) [user] is_delimiter(z)
   Call: (207) [system] char_type(z, space)
   Fail: (207) [system] char_type(z, space)
   Call: (207) [system] arg(_1192514, v('(', ')', end_of_file), z)
   Fail: (207) [system] arg(_1193446, v('(', ')', end_of_file), z)
^  Fail: (206) [user] is_delimiter(z)
   Call: (206) [system] ')'==z
   Fail: (206) [system] ')'==z
   Call: (206) [system] get_char((0x55772f068e50), z)
   Exit: (206) [system] get_char((0x55772f068e50), z)
   Call: (206) [system] z=(\)
   Fail: (206) [system] z=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1200796)
   Call: (207) [system] peek_char((0x55772f068e50), _1201730)
   Exit: (207) [system] peek_char((0x55772f068e50), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1206450, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_1207382, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x55772f068e50), e)
   Exit: (207) [system] get_char((0x55772f068e50), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1214732)
   Call: (208) [system] peek_char((0x55772f068e50), _1215666)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1214732=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (207) [system] _1200796=[e]
   Exit: (207) [system] [e]=[e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (206) [system] _1186860=[z, e]
   Exit: (206) [system] [z, e]=[z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [z, e])
   Call: (205) [system] _1172924=[i, z, e]
   Exit: (205) [system] [i, z, e]=[i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [i, z, e])
   Call: (204) [system] _1158988=[s, i, z, e]
   Exit: (204) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [s, i, z, e])
   Call: (203) [system] _1145052=[e, s, i, z, e]
   Exit: (203) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [e, s, i, z, e])
   Call: (202) [system] _1131116=[h, e, s, i, z, e]
   Exit: (202) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [h, e, s, i, z, e])
   Call: (201) [system] _1117180=[t, h, e, s, i, z, e]
   Exit: (201) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [t, h, e, s, i, z, e])
   Call: (200) [system] _1103244=[n, t, h, e, s, i, z, e]
   Exit: (200) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, h, e, s, i, z, e])
   Call: (199) [system] _1089308=[y, n, t, h, e, s, i, z, e]
   Exit: (199) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [y, n, t, h, e, s, i, z, e])
^  Call: (198) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _1053798)
^  Call: (199) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _1250096)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_1251048, _1251050), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1250096), _1251030, fail)), '$restore_trace'(_1251048, _1251050))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_1251048, _1251050))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1251030, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(synthesize)
   Exit: (200) [system] atomic(synthesize)
^  Exit: (199) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (199) [system] integer(synthesize)
   Fail: (199) [system] integer(synthesize)
   Call: (199) [system] _1053798=synthesize
   Exit: (199) [system] synthesize=synthesize
^  Exit: (198) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (197) [user] read_symbolic(')', (0x55772f068e50), s, synthesize)
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), synthesize)
^  Call: (196) [user] read_list(')', (0x55772f068e50), _1263176)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1265034)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _1274628)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1277332)
   Exit: (199) [system] peek_char((0x55772f068e50), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1294266)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _1299836)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1301694)
   Exit: (199) [system] peek_char((0x55772f068e50), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _1317704)
   Exit: (198) [system] get_char((0x55772f068e50), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x55772f068e50), _1299836)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1323274)
   Exit: (200) [system] peek_char((0x55772f068e50), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
   Call: (200) [system] (:)=(/)
   Fail: (200) [system] (:)=(/)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1339284)
   Exit: (199) [system] peek_char((0x55772f068e50), :)
   Call: (199) [system] (:)=')'
   Fail: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _1344854)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1346712)
   Exit: (201) [system] peek_char((0x55772f068e50), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _1362722)
   Exit: (200) [system] get_char((0x55772f068e50), :)
   Call: (200) [system] (:)='('
   Fail: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Fail: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Fail: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Fail: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Fail: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Fail: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Fail: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), :, _1344854)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1380364)
   Call: (202) [system] peek_char((0x55772f068e50), _1381298)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _1380364=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (201) [user] classify_and_convert_charseq([:], _1344854)
^  Call: (202) [user] classify_and_convert_charseq_([:], _1390582)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1391534, _1391536), once(user:catch(read_from_chars([:], _1390582), _1391516, fail)), '$restore_trace'(_1391534, _1391536))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1391534, _1391536))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1391516, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(:)
   Exit: (203) [system] atomic(:)
^  Exit: (202) [user] classify_and_convert_charseq_([:], :)
   Call: (202) [system] integer(:)
   Fail: (202) [system] integer(:)
   Call: (202) [system] _1344854=(:)
   Exit: (202) [system] (:)=(:)
^  Exit: (201) [user] classify_and_convert_charseq([:], :)
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (199) [user] read_list(')', (0x55772f068e50), _1403662)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1405520)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _1415114)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1417818)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1434752)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _1440322)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1442180)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _1458190)
   Exit: (201) [system] get_char((0x55772f068e50), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), $, _1440322)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1475832)
   Call: (203) [system] peek_char((0x55772f068e50), _1476766)
   Exit: (203) [system] peek_char((0x55772f068e50), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1481486, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_1482418, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x55772f068e50), p)
   Exit: (203) [system] get_char((0x55772f068e50), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1489768)
   Call: (204) [system] peek_char((0x55772f068e50), _1490702)
   Exit: (204) [system] peek_char((0x55772f068e50), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1495422, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1496354, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x55772f068e50), r)
   Exit: (204) [system] get_char((0x55772f068e50), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1503704)
   Call: (205) [system] peek_char((0x55772f068e50), _1504638)
   Exit: (205) [system] peek_char((0x55772f068e50), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1509358, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_1510290, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x55772f068e50), o)
   Exit: (205) [system] get_char((0x55772f068e50), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1517640)
   Call: (206) [system] peek_char((0x55772f068e50), _1518574)
   Exit: (206) [system] peek_char((0x55772f068e50), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1523294, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1524226, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x55772f068e50), o)
   Exit: (206) [system] get_char((0x55772f068e50), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1531576)
   Call: (207) [system] peek_char((0x55772f068e50), _1532510)
   Exit: (207) [system] peek_char((0x55772f068e50), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Fail: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_1537230, v('(', ')', end_of_file), f)
   Fail: (208) [system] arg(_1538162, v('(', ')', end_of_file), f)
^  Fail: (207) [user] is_delimiter(f)
   Call: (207) [system] ')'==f
   Fail: (207) [system] ')'==f
   Call: (207) [system] get_char((0x55772f068e50), f)
   Exit: (207) [system] get_char((0x55772f068e50), f)
   Call: (207) [system] f=(\)
   Fail: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1545512)
   Call: (208) [system] peek_char((0x55772f068e50), _1546446)
   Exit: (208) [system] peek_char((0x55772f068e50), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Fail: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_1551166, v('(', ')', end_of_file), '1')
   Fail: (209) [system] arg(_1552098, v('(', ')', end_of_file), '1')
^  Fail: (208) [user] is_delimiter('1')
   Call: (208) [system] ')'=='1'
   Fail: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x55772f068e50), '1')
   Exit: (208) [system] get_char((0x55772f068e50), '1')
   Call: (208) [system] '1'=(\)
   Fail: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1559448)
   Call: (209) [system] peek_char((0x55772f068e50), _1560382)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1559448=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (208) [system] _1545512=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), ['1'])
   Call: (207) [system] _1531576=[f, '1']
   Exit: (207) [system] [f, '1']=[f, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '1'])
   Call: (206) [system] _1517640=[o, f, '1']
   Exit: (206) [system] [o, f, '1']=[o, f, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '1'])
   Call: (205) [system] _1503704=[o, o, f, '1']
   Exit: (205) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '1'])
   Call: (204) [system] _1489768=[r, o, o, f, '1']
   Exit: (204) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '1'])
   Call: (203) [system] _1475832=[p, r, o, o, f, '1']
   Exit: (203) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '1'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _1440322)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _1586430)
   Call: (204) [system] atom_chars(_1587362, ['_', p, r, o, o, f, '1'])
   Exit: (204) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _proof1)
   Call: (203) [system] integer(_proof1)
   Fail: (203) [system] integer(_proof1)
   Call: (203) [system] _1440322=_proof1
   Exit: (203) [system] _proof1=_proof1
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _proof1)
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), $, _proof1)
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), _proof1)
^  Call: (200) [user] read_list(')', (0x55772f068e50), _1596654)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1598512)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _1608106)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1610810)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1627744)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _1633314)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1635172)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _1651182)
   Exit: (202) [system] get_char((0x55772f068e50), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), $, _1633314)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1668824)
   Call: (204) [system] peek_char((0x55772f068e50), _1669758)
   Exit: (204) [system] peek_char((0x55772f068e50), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1674478, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_1675410, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x55772f068e50), p)
   Exit: (204) [system] get_char((0x55772f068e50), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1682760)
   Call: (205) [system] peek_char((0x55772f068e50), _1683694)
   Exit: (205) [system] peek_char((0x55772f068e50), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1688414, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1689346, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x55772f068e50), r)
   Exit: (205) [system] get_char((0x55772f068e50), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1696696)
   Call: (206) [system] peek_char((0x55772f068e50), _1697630)
   Exit: (206) [system] peek_char((0x55772f068e50), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_1702350, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_1703282, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x55772f068e50), e)
   Exit: (206) [system] get_char((0x55772f068e50), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1710632)
   Call: (207) [system] peek_char((0x55772f068e50), _1711566)
   Exit: (207) [system] peek_char((0x55772f068e50), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_1716286, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_1717218, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x55772f068e50), m)
   Exit: (207) [system] get_char((0x55772f068e50), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1724568)
   Call: (208) [system] peek_char((0x55772f068e50), _1725502)
   Exit: (208) [system] peek_char((0x55772f068e50), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1730222, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1731154, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x55772f068e50), i)
   Exit: (208) [system] get_char((0x55772f068e50), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1738504)
   Call: (209) [system] peek_char((0x55772f068e50), _1739438)
   Exit: (209) [system] peek_char((0x55772f068e50), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_1744158, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_1745090, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x55772f068e50), s)
   Exit: (209) [system] get_char((0x55772f068e50), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1752440)
   Call: (210) [system] peek_char((0x55772f068e50), _1753374)
   Exit: (210) [system] peek_char((0x55772f068e50), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_1758094, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_1759026, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x55772f068e50), e)
   Exit: (210) [system] get_char((0x55772f068e50), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1766376)
   Call: (211) [system] peek_char((0x55772f068e50), _1767310)
   Exit: (211) [system] peek_char((0x55772f068e50), '1')
^  Call: (211) [user] is_delimiter('1')
   Call: (212) [system] char_type('1', space)
   Fail: (212) [system] char_type('1', space)
   Call: (212) [system] arg(_1772030, v('(', ')', end_of_file), '1')
   Fail: (212) [system] arg(_1772962, v('(', ')', end_of_file), '1')
^  Fail: (211) [user] is_delimiter('1')
   Call: (211) [system] ')'=='1'
   Fail: (211) [system] ')'=='1'
   Call: (211) [system] get_char((0x55772f068e50), '1')
   Exit: (211) [system] get_char((0x55772f068e50), '1')
   Call: (211) [system] '1'=(\)
   Fail: (211) [system] '1'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1780312)
   Call: (212) [system] peek_char((0x55772f068e50), _1781246)
   Exit: (212) [system] peek_char((0x55772f068e50), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_1785966, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _1780312=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (211) [system] _1766376=['1']
   Exit: (211) [system] ['1']=['1']
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), ['1'])
   Call: (210) [system] _1752440=[e, '1']
   Exit: (210) [system] [e, '1']=[e, '1']
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '1'])
   Call: (209) [system] _1738504=[s, e, '1']
   Exit: (209) [system] [s, e, '1']=[s, e, '1']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '1'])
   Call: (208) [system] _1724568=[i, s, e, '1']
   Exit: (208) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '1'])
   Call: (207) [system] _1710632=[m, i, s, e, '1']
   Exit: (207) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '1'])
   Call: (206) [system] _1696696=[e, m, i, s, e, '1']
   Exit: (206) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '1'])
   Call: (205) [system] _1682760=[r, e, m, i, s, e, '1']
   Exit: (205) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '1'])
   Call: (204) [system] _1668824=[p, r, e, m, i, s, e, '1']
   Exit: (204) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '1'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _1633314)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _1814754)
   Call: (205) [system] atom_chars(_1815686, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (205) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _premise1)
   Call: (204) [system] integer(_premise1)
   Fail: (204) [system] integer(_premise1)
   Call: (204) [system] _1633314=_premise1
   Exit: (204) [system] _premise1=_premise1
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), $, _premise1)
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), _premise1)
^  Call: (201) [user] read_list(')', (0x55772f068e50), _1824978)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1826836)
   Exit: (203) [system] peek_char((0x55772f068e50), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1842846)
   Exit: (202) [system] peek_char((0x55772f068e50), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x55772f068e50), _1846636)
   Exit: (202) [system] get_char((0x55772f068e50), ')')
   Call: (202) [system] _1824978=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [])
   Call: (201) [system] _1596654=[_premise1]
   Exit: (201) [system] [_premise1]=[_premise1]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [_premise1])
   Call: (200) [system] _1403662=[_proof1, _premise1]
   Exit: (200) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [_proof1, _premise1])
   Call: (199) [system] _1299836=[:, _proof1, _premise1]
   Exit: (199) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [:, _proof1, _premise1])
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), [:, _proof1, _premise1])
^  Call: (197) [user] read_list(')', (0x55772f068e50), _1860518)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1862376)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _1871970)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1874674)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1891608)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _1897178)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1899036)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _1915046)
   Exit: (199) [system] get_char((0x55772f068e50), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x55772f068e50), $, _1897178)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1932688)
   Call: (201) [system] peek_char((0x55772f068e50), _1933622)
   Exit: (201) [system] peek_char((0x55772f068e50), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Fail: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_1938342, v('(', ')', end_of_file), k)
   Fail: (202) [system] arg(_1939274, v('(', ')', end_of_file), k)
^  Fail: (201) [user] is_delimiter(k)
   Call: (201) [system] ')'==k
   Fail: (201) [system] ')'==k
   Call: (201) [system] get_char((0x55772f068e50), k)
   Exit: (201) [system] get_char((0x55772f068e50), k)
   Call: (201) [system] k=(\)
   Fail: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1946624)
   Call: (202) [system] peek_char((0x55772f068e50), _1947558)
   Exit: (202) [system] peek_char((0x55772f068e50), b)
^  Call: (202) [user] is_delimiter(b)
   Call: (203) [system] char_type(b, space)
   Fail: (203) [system] char_type(b, space)
   Call: (203) [system] arg(_1952278, v('(', ')', end_of_file), b)
   Fail: (203) [system] arg(_1953210, v('(', ')', end_of_file), b)
^  Fail: (202) [user] is_delimiter(b)
   Call: (202) [system] ')'==b
   Fail: (202) [system] ')'==b
   Call: (202) [system] get_char((0x55772f068e50), b)
   Exit: (202) [system] get_char((0x55772f068e50), b)
   Call: (202) [system] b=(\)
   Fail: (202) [system] b=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1960560)
   Call: (203) [system] peek_char((0x55772f068e50), _1961494)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1960560=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (202) [system] _1946624=[b]
   Exit: (202) [system] [b]=[b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (201) [system] _1932688=[k, b]
   Exit: (201) [system] [k, b]=[k, b]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [k, b])
^  Call: (200) [user] classify_and_convert_charseq([$, k, b], _1897178)
^  Call: (201) [user] classify_and_convert_charseq_([$, k, b], _1976366)
   Call: (202) [system] atom_chars(_1977298, ['_', k, b])
   Exit: (202) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (201) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (201) [system] integer(_kb)
   Fail: (201) [system] integer(_kb)
   Call: (201) [system] _1897178=_kb
   Exit: (201) [system] _kb=_kb
^  Exit: (200) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (199) [user] read_symbolic(')', (0x55772f068e50), $, _kb)
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), _kb)
^  Call: (198) [user] read_list(')', (0x55772f068e50), _1986590)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1988448)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _1998042)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _2000746)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _2017680)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _2023250)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _2025108)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _2041118)
   Exit: (200) [system] get_char((0x55772f068e50), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), $, _2023250)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _2058760)
   Call: (202) [system] peek_char((0x55772f068e50), _2059694)
   Exit: (202) [system] peek_char((0x55772f068e50), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_2064414, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_2065346, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x55772f068e50), r)
   Exit: (202) [system] get_char((0x55772f068e50), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _2072696)
   Call: (203) [system] peek_char((0x55772f068e50), _2073630)
   Exit: (203) [system] peek_char((0x55772f068e50), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_2078350, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_2079282, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x55772f068e50), b)
   Exit: (203) [system] get_char((0x55772f068e50), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _2086632)
   Call: (204) [system] peek_char((0x55772f068e50), _2087566)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _2086632=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (203) [system] _2072696=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (202) [system] _3764=[r, b]
   Exit: (202) [system] [r, b]=[r, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [r, b])
^  Call: (201) [user] classify_and_convert_charseq([$, r, b], _3760)
^  Call: (202) [user] classify_and_convert_charseq_([$, r, b], _9316)
   Call: (203) [system] atom_chars(_10248, ['_', r, b])
   Exit: (203) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (202) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (202) [system] integer(_rb)
   Fail: (202) [system] integer(_rb)
   Call: (202) [system] _3760=_rb
   Exit: (202) [system] _rb=_rb
^  Exit: (201) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), $, _rb)
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), _rb)
^  Call: (199) [user] read_list(')', (0x55772f068e50), _19540)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _21398)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _30992)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _33696)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _50630)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _56200)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _58058)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _74068)
   Exit: (201) [system] get_char((0x55772f068e50), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), $, _56200)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _91710)
   Call: (203) [system] peek_char((0x55772f068e50), _92644)
   Exit: (203) [system] peek_char((0x55772f068e50), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Fail: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_97364, v('(', ')', end_of_file), k)
   Fail: (204) [system] arg(_98296, v('(', ')', end_of_file), k)
^  Fail: (203) [user] is_delimiter(k)
   Call: (203) [system] ')'==k
   Fail: (203) [system] ')'==k
   Call: (203) [system] get_char((0x55772f068e50), k)
   Exit: (203) [system] get_char((0x55772f068e50), k)
   Call: (203) [system] k=(\)
   Fail: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _105646)
   Call: (204) [system] peek_char((0x55772f068e50), _106580)
   Exit: (204) [system] peek_char((0x55772f068e50), ')')
^  Call: (204) [user] is_delimiter(')')
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] arg(_111300, v('(', ')', end_of_file), ')')
   Exit: (205) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (204) [user] is_delimiter(')')
   Call: (204) [system] _105646=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (203) [system] _91710=[k]
   Exit: (203) [system] [k]=[k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
^  Call: (202) [user] classify_and_convert_charseq([$, k], _56200)
^  Call: (203) [user] classify_and_convert_charseq_([$, k], _120530)
   Call: (204) [system] atom_chars(_121462, ['_', k])
   Exit: (204) [system] atom_chars('_k', ['_', k])
^  Exit: (203) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (203) [system] integer(_k)
   Fail: (203) [system] integer(_k)
   Call: (203) [system] _56200=_k
   Exit: (203) [system] _k=_k
^  Exit: (202) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), $, _k)
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), _k)
^  Call: (200) [user] read_list(')', (0x55772f068e50), _130754)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _132612)
   Exit: (202) [system] peek_char((0x55772f068e50), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _148622)
   Exit: (201) [system] peek_char((0x55772f068e50), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x55772f068e50), _152412)
   Exit: (201) [system] get_char((0x55772f068e50), ')')
   Call: (201) [system] _130754=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [])
   Call: (200) [system] _19540=[_k]
   Exit: (200) [system] [_k]=[_k]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [_k])
   Call: (199) [system] _3756=[_rb, _k]
   Exit: (199) [system] [_rb, _k]=[_rb, _k]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [_rb, _k])
   Call: (198) [system] _3746=[_kb, _rb, _k]
   Exit: (198) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [_kb, _rb, _k])
   Call: (197) [system] _3714=[[:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (197) [system] [[:, _proof1, _premise1], _kb, _rb, _k]=[[:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [[:, _proof1, _premise1], _kb, _rb, _k])
   Call: (196) [system] _3706=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (196) [system] [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Call: (194) [user] read_list(')', (0x55772f068e50), _171882)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _173740)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _189750)
   Exit: (195) [system] peek_char((0x55772f068e50), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x55772f068e50), _193540)
   Exit: (195) [system] get_char((0x55772f068e50), ')')
   Call: (195) [system] _171882=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [])
   Call: (194) [system] _3702=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (194) [system] [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Call: (193) [system] _3668=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (193) [system] [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Exit: (191) [user] cont_sexpr(')', (0x55772f068e50), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Call: (191) [user] read_list(')', (0x55772f068e50), _204628)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _206486)
   Exit: (193) [system] peek_char((0x55772f068e50), '\n')
   Call: (193) [system] '\n'=(;)
   Fail: (193) [system] '\n'=(;)
   Call: (193) [system] '\n'=(/)
   Fail: (193) [system] '\n'=(/)
^  Call: (193) [user] is_like_space('\n')
   Call: (194) [system] char_type('\n', 'white')
   Fail: (194) [system] char_type('\n', 'white')
   Call: (194) [system] char_type('\n', end_of_line)
   Exit: (194) [system] char_type('\n', end_of_line)
^  Exit: (193) [user] is_like_space('\n')
   Call: (193) [system] get_char((0x55772f068e50), _217936)
   Exit: (193) [system] get_char((0x55772f068e50), '\n')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _220640)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _230234)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _232938)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _242532)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _245236)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _254830)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _257534)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _267128)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _269832)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _279426)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _282130)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _291724)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _294428)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _304022)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _306726)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _316320)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _319024)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _328618)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _331322)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _340916)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _343620)
   Exit: (204) [system] peek_char((0x55772f068e50), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _369794)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _375364)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _377222)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _393232)
   Exit: (193) [system] get_char((0x55772f068e50), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x55772f068e50), _375364)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _398802)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _414812)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _420382)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _422240)
   Exit: (196) [system] peek_char((0x55772f068e50), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _438250)
   Exit: (195) [system] get_char((0x55772f068e50), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x55772f068e50), _420382)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _443820)
   Exit: (197) [system] peek_char((0x55772f068e50), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
   Call: (197) [system] (:)=(/)
   Fail: (197) [system] (:)=(/)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _459830)
   Exit: (196) [system] peek_char((0x55772f068e50), :)
   Call: (196) [system] (:)=')'
   Fail: (196) [system] (:)=')'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _465400)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _467258)
   Exit: (198) [system] peek_char((0x55772f068e50), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
   Call: (198) [system] (:)=(/)
   Fail: (198) [system] (:)=(/)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _483268)
   Exit: (197) [system] get_char((0x55772f068e50), :)
   Call: (197) [system] (:)='('
   Fail: (197) [system] (:)='('
   Call: (197) [system] (:)='['
   Fail: (197) [system] (:)='['
   Call: (197) [system] (:)='{'
   Fail: (197) [system] (:)='{'
   Call: (197) [system] (:)='"'
   Fail: (197) [system] (:)='"'
   Call: (197) [system] (:)=!
   Fail: (197) [system] (:)=!
   Call: (197) [system] (:)='\''
   Fail: (197) [system] (:)='\''
   Call: (197) [system] (:)='`'
   Fail: (197) [system] (:)='`'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x55772f068e50), :, _465400)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _500910)
   Call: (199) [system] peek_char((0x55772f068e50), _501844)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _500910=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (198) [user] classify_and_convert_charseq([:], _465400)
^  Call: (199) [user] classify_and_convert_charseq_([:], _511128)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_512080, _512082), once(user:catch(read_from_chars([:], _511128), _512062, fail)), '$restore_trace'(_512080, _512082))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_512080, _512082))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _512062, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(:)
   Exit: (200) [system] atomic(:)
^  Exit: (199) [user] classify_and_convert_charseq_([:], :)
   Call: (199) [system] integer(:)
   Fail: (199) [system] integer(:)
   Call: (199) [system] _465400=(:)
   Exit: (199) [system] (:)=(:)
^  Exit: (198) [user] classify_and_convert_charseq([:], :)
^  Exit: (197) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (196) [user] read_list(')', (0x55772f068e50), _524208)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _526066)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _535660)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _538364)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _555298)
   Exit: (197) [system] peek_char((0x55772f068e50), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _560868)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _562726)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _578736)
   Exit: (198) [system] get_char((0x55772f068e50), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x55772f068e50), $, _560868)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _596378)
   Call: (200) [system] peek_char((0x55772f068e50), _597312)
   Exit: (200) [system] peek_char((0x55772f068e50), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_602032, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_602964, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x55772f068e50), p)
   Exit: (200) [system] get_char((0x55772f068e50), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _610314)
   Call: (201) [system] peek_char((0x55772f068e50), _611248)
   Exit: (201) [system] peek_char((0x55772f068e50), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Fail: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_615968, v('(', ')', end_of_file), r)
   Fail: (202) [system] arg(_616900, v('(', ')', end_of_file), r)
^  Fail: (201) [user] is_delimiter(r)
   Call: (201) [system] ')'==r
   Fail: (201) [system] ')'==r
   Call: (201) [system] get_char((0x55772f068e50), r)
   Exit: (201) [system] get_char((0x55772f068e50), r)
   Call: (201) [system] r=(\)
   Fail: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _624250)
   Call: (202) [system] peek_char((0x55772f068e50), _625184)
   Exit: (202) [system] peek_char((0x55772f068e50), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_629904, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_630836, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x55772f068e50), o)
   Exit: (202) [system] get_char((0x55772f068e50), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _638186)
   Call: (203) [system] peek_char((0x55772f068e50), _639120)
   Exit: (203) [system] peek_char((0x55772f068e50), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_643840, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_644772, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x55772f068e50), o)
   Exit: (203) [system] get_char((0x55772f068e50), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _652122)
   Call: (204) [system] peek_char((0x55772f068e50), _653056)
   Exit: (204) [system] peek_char((0x55772f068e50), f)
^  Call: (204) [user] is_delimiter(f)
   Call: (205) [system] char_type(f, space)
   Fail: (205) [system] char_type(f, space)
   Call: (205) [system] arg(_657776, v('(', ')', end_of_file), f)
   Fail: (205) [system] arg(_658708, v('(', ')', end_of_file), f)
^  Fail: (204) [user] is_delimiter(f)
   Call: (204) [system] ')'==f
   Fail: (204) [system] ')'==f
   Call: (204) [system] get_char((0x55772f068e50), f)
   Exit: (204) [system] get_char((0x55772f068e50), f)
   Call: (204) [system] f=(\)
   Fail: (204) [system] f=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _666058)
   Call: (205) [system] peek_char((0x55772f068e50), _666992)
   Exit: (205) [system] peek_char((0x55772f068e50), '2')
^  Call: (205) [user] is_delimiter('2')
   Call: (206) [system] char_type('2', space)
   Fail: (206) [system] char_type('2', space)
   Call: (206) [system] arg(_671712, v('(', ')', end_of_file), '2')
   Fail: (206) [system] arg(_672644, v('(', ')', end_of_file), '2')
^  Fail: (205) [user] is_delimiter('2')
   Call: (205) [system] ')'=='2'
   Fail: (205) [system] ')'=='2'
   Call: (205) [system] get_char((0x55772f068e50), '2')
   Exit: (205) [system] get_char((0x55772f068e50), '2')
   Call: (205) [system] '2'=(\)
   Fail: (205) [system] '2'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _679994)
   Call: (206) [system] peek_char((0x55772f068e50), _680928)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _679994=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (205) [system] _666058=['2']
   Exit: (205) [system] ['2']=['2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), ['2'])
   Call: (204) [system] _652122=[f, '2']
   Exit: (204) [system] [f, '2']=[f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '2'])
   Call: (203) [system] _638186=[o, f, '2']
   Exit: (203) [system] [o, f, '2']=[o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '2'])
   Call: (202) [system] _624250=[o, o, f, '2']
   Exit: (202) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '2'])
   Call: (201) [system] _610314=[r, o, o, f, '2']
   Exit: (201) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '2'])
   Call: (200) [system] _596378=[p, r, o, o, f, '2']
   Exit: (200) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '2'])
^  Call: (199) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _560868)
^  Call: (200) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _706976)
   Call: (201) [system] atom_chars(_707908, ['_', p, r, o, o, f, '2'])
   Exit: (201) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (200) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _proof2)
   Call: (200) [system] integer(_proof2)
   Fail: (200) [system] integer(_proof2)
   Call: (200) [system] _560868=_proof2
   Exit: (200) [system] _proof2=_proof2
^  Exit: (199) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _proof2)
^  Exit: (198) [user] read_symbolic(')', (0x55772f068e50), $, _proof2)
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), _proof2)
^  Call: (197) [user] read_list(')', (0x55772f068e50), _717200)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _719058)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _728652)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _731356)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _748290)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _753860)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _755718)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _771728)
   Exit: (199) [system] get_char((0x55772f068e50), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x55772f068e50), $, _753860)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _789370)
   Call: (201) [system] peek_char((0x55772f068e50), _790304)
   Exit: (201) [system] peek_char((0x55772f068e50), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_795024, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_795956, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x55772f068e50), p)
   Exit: (201) [system] get_char((0x55772f068e50), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _803306)
   Call: (202) [system] peek_char((0x55772f068e50), _804240)
   Exit: (202) [system] peek_char((0x55772f068e50), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_808960, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_809892, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x55772f068e50), r)
   Exit: (202) [system] get_char((0x55772f068e50), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _817242)
   Call: (203) [system] peek_char((0x55772f068e50), _818176)
   Exit: (203) [system] peek_char((0x55772f068e50), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_822896, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_823828, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x55772f068e50), e)
   Exit: (203) [system] get_char((0x55772f068e50), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _831178)
   Call: (204) [system] peek_char((0x55772f068e50), _832112)
   Exit: (204) [system] peek_char((0x55772f068e50), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_836832, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_837764, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x55772f068e50), m)
   Exit: (204) [system] get_char((0x55772f068e50), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _845114)
   Call: (205) [system] peek_char((0x55772f068e50), _846048)
   Exit: (205) [system] peek_char((0x55772f068e50), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_850768, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_851700, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x55772f068e50), i)
   Exit: (205) [system] get_char((0x55772f068e50), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _859050)
   Call: (206) [system] peek_char((0x55772f068e50), _859984)
   Exit: (206) [system] peek_char((0x55772f068e50), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_864704, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_865636, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x55772f068e50), s)
   Exit: (206) [system] get_char((0x55772f068e50), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _872986)
   Call: (207) [system] peek_char((0x55772f068e50), _873920)
   Exit: (207) [system] peek_char((0x55772f068e50), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_878640, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_879572, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x55772f068e50), e)
   Exit: (207) [system] get_char((0x55772f068e50), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _886922)
   Call: (208) [system] peek_char((0x55772f068e50), _887856)
   Exit: (208) [system] peek_char((0x55772f068e50), '2')
^  Call: (208) [user] is_delimiter('2')
   Call: (209) [system] char_type('2', space)
   Fail: (209) [system] char_type('2', space)
   Call: (209) [system] arg(_892576, v('(', ')', end_of_file), '2')
   Fail: (209) [system] arg(_893508, v('(', ')', end_of_file), '2')
^  Fail: (208) [user] is_delimiter('2')
   Call: (208) [system] ')'=='2'
   Fail: (208) [system] ')'=='2'
   Call: (208) [system] get_char((0x55772f068e50), '2')
   Exit: (208) [system] get_char((0x55772f068e50), '2')
   Call: (208) [system] '2'=(\)
   Fail: (208) [system] '2'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _900858)
   Call: (209) [system] peek_char((0x55772f068e50), _901792)
   Exit: (209) [system] peek_char((0x55772f068e50), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_906512, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _900858=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (208) [system] _886922=['2']
   Exit: (208) [system] ['2']=['2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), ['2'])
   Call: (207) [system] _872986=[e, '2']
   Exit: (207) [system] [e, '2']=[e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '2'])
   Call: (206) [system] _859050=[s, e, '2']
   Exit: (206) [system] [s, e, '2']=[s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '2'])
   Call: (205) [system] _845114=[i, s, e, '2']
   Exit: (205) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '2'])
   Call: (204) [system] _831178=[m, i, s, e, '2']
   Exit: (204) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '2'])
   Call: (203) [system] _817242=[e, m, i, s, e, '2']
   Exit: (203) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '2'])
   Call: (202) [system] _803306=[r, e, m, i, s, e, '2']
   Exit: (202) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '2'])
   Call: (201) [system] _789370=[p, r, e, m, i, s, e, '2']
   Exit: (201) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '2'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _753860)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _935300)
   Call: (202) [system] atom_chars(_936232, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (202) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _premise2)
   Call: (201) [system] integer(_premise2)
   Fail: (201) [system] integer(_premise2)
   Call: (201) [system] _753860=_premise2
   Exit: (201) [system] _premise2=_premise2
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (199) [user] read_symbolic(')', (0x55772f068e50), $, _premise2)
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), _premise2)
^  Call: (198) [user] read_list(')', (0x55772f068e50), _945524)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _947382)
   Exit: (200) [system] peek_char((0x55772f068e50), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
   Call: (200) [system] ')'=(/)
   Fail: (200) [system] ')'=(/)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _963392)
   Exit: (199) [system] peek_char((0x55772f068e50), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x55772f068e50), _967182)
   Exit: (199) [system] get_char((0x55772f068e50), ')')
   Call: (199) [system] _945524=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [])
   Call: (198) [system] _717200=[_premise2]
   Exit: (198) [system] [_premise2]=[_premise2]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [_premise2])
   Call: (197) [system] _524208=[_proof2, _premise2]
   Exit: (197) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [_proof2, _premise2])
   Call: (196) [system] _420382=[:, _proof2, _premise2]
   Exit: (196) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [:, _proof2, _premise2])
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), [:, _proof2, _premise2])
^  Call: (194) [user] read_list(')', (0x55772f068e50), _981064)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _982922)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _992516)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _995220)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1012154)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _1017724)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1019582)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _1035592)
   Exit: (196) [system] get_char((0x55772f068e50), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x55772f068e50), _1017724)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1041162)
   Exit: (198) [system] peek_char((0x55772f068e50), s)
   Call: (198) [system] s=(;)
   Fail: (198) [system] s=(;)
   Call: (198) [system] s=(/)
   Fail: (198) [system] s=(/)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Fail: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Fail: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
   Fail: (199) [system] char_type(s, cntrl)
^  Fail: (198) [user] is_like_space(s)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1057172)
   Exit: (197) [system] peek_char((0x55772f068e50), s)
   Call: (197) [system] s=')'
   Fail: (197) [system] s=')'
   Call: (197) [system] s=end_of_file
   Fail: (197) [system] s=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _1062742)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1064600)
   Exit: (199) [system] peek_char((0x55772f068e50), s)
   Call: (199) [system] s=(;)
   Fail: (199) [system] s=(;)
   Call: (199) [system] s=(/)
   Fail: (199) [system] s=(/)
^  Call: (199) [user] is_like_space(s)
   Call: (200) [system] char_type(s, 'white')
   Fail: (200) [system] char_type(s, 'white')
   Call: (200) [system] char_type(s, end_of_line)
   Fail: (200) [system] char_type(s, end_of_line)
   Call: (200) [system] char_type(s, space)
   Fail: (200) [system] char_type(s, space)
   Call: (200) [system] char_type(s, cntrl)
   Fail: (200) [system] char_type(s, cntrl)
^  Fail: (199) [user] is_like_space(s)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _1080610)
   Exit: (198) [system] get_char((0x55772f068e50), s)
   Call: (198) [system] s='('
   Fail: (198) [system] s='('
   Call: (198) [system] s='['
   Fail: (198) [system] s='['
   Call: (198) [system] s='{'
   Fail: (198) [system] s='{'
   Call: (198) [system] s='"'
   Fail: (198) [system] s='"'
   Call: (198) [system] s=!
   Fail: (198) [system] s=!
   Call: (198) [system] s='\''
   Fail: (198) [system] s='\''
   Call: (198) [system] s='`'
   Fail: (198) [system] s='`'
   Call: (198) [system] s=end_of_file
   Fail: (198) [system] s=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x55772f068e50), s, _1062742)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1098252)
   Call: (200) [system] peek_char((0x55772f068e50), _1099186)
   Exit: (200) [system] peek_char((0x55772f068e50), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Fail: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_1103906, v('(', ')', end_of_file), y)
   Fail: (201) [system] arg(_1104838, v('(', ')', end_of_file), y)
^  Fail: (200) [user] is_delimiter(y)
   Call: (200) [system] ')'==y
   Fail: (200) [system] ')'==y
   Call: (200) [system] get_char((0x55772f068e50), y)
   Exit: (200) [system] get_char((0x55772f068e50), y)
   Call: (200) [system] y=(\)
   Fail: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1112188)
   Call: (201) [system] peek_char((0x55772f068e50), _1113122)
   Exit: (201) [system] peek_char((0x55772f068e50), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_1117842, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_1118774, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x55772f068e50), n)
   Exit: (201) [system] get_char((0x55772f068e50), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1126124)
   Call: (202) [system] peek_char((0x55772f068e50), _1127058)
   Exit: (202) [system] peek_char((0x55772f068e50), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Fail: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_1131778, v('(', ')', end_of_file), t)
   Fail: (203) [system] arg(_1132710, v('(', ')', end_of_file), t)
^  Fail: (202) [user] is_delimiter(t)
   Call: (202) [system] ')'==t
   Fail: (202) [system] ')'==t
   Call: (202) [system] get_char((0x55772f068e50), t)
   Exit: (202) [system] get_char((0x55772f068e50), t)
   Call: (202) [system] t=(\)
   Fail: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1140060)
   Call: (203) [system] peek_char((0x55772f068e50), _1140994)
   Exit: (203) [system] peek_char((0x55772f068e50), h)
^  Call: (203) [user] is_delimiter(h)
   Call: (204) [system] char_type(h, space)
   Fail: (204) [system] char_type(h, space)
   Call: (204) [system] arg(_1145714, v('(', ')', end_of_file), h)
   Fail: (204) [system] arg(_1146646, v('(', ')', end_of_file), h)
^  Fail: (203) [user] is_delimiter(h)
   Call: (203) [system] ')'==h
   Fail: (203) [system] ')'==h
   Call: (203) [system] get_char((0x55772f068e50), h)
   Exit: (203) [system] get_char((0x55772f068e50), h)
   Call: (203) [system] h=(\)
   Fail: (203) [system] h=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1153996)
   Call: (204) [system] peek_char((0x55772f068e50), _1154930)
   Exit: (204) [system] peek_char((0x55772f068e50), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_1159650, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_1160582, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x55772f068e50), e)
   Exit: (204) [system] get_char((0x55772f068e50), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1167932)
   Call: (205) [system] peek_char((0x55772f068e50), _1168866)
   Exit: (205) [system] peek_char((0x55772f068e50), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_1173586, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_1174518, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x55772f068e50), s)
   Exit: (205) [system] get_char((0x55772f068e50), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1181868)
   Call: (206) [system] peek_char((0x55772f068e50), _1182802)
   Exit: (206) [system] peek_char((0x55772f068e50), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1187522, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_1188454, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x55772f068e50), i)
   Exit: (206) [system] get_char((0x55772f068e50), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1195804)
   Call: (207) [system] peek_char((0x55772f068e50), _1196738)
   Exit: (207) [system] peek_char((0x55772f068e50), z)
^  Call: (207) [user] is_delimiter(z)
   Call: (208) [system] char_type(z, space)
   Fail: (208) [system] char_type(z, space)
   Call: (208) [system] arg(_1201458, v('(', ')', end_of_file), z)
   Fail: (208) [system] arg(_1202390, v('(', ')', end_of_file), z)
^  Fail: (207) [user] is_delimiter(z)
   Call: (207) [system] ')'==z
   Fail: (207) [system] ')'==z
   Call: (207) [system] get_char((0x55772f068e50), z)
   Exit: (207) [system] get_char((0x55772f068e50), z)
   Call: (207) [system] z=(\)
   Fail: (207) [system] z=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1209740)
   Call: (208) [system] peek_char((0x55772f068e50), _1210674)
   Exit: (208) [system] peek_char((0x55772f068e50), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_1215394, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_1216326, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x55772f068e50), e)
   Exit: (208) [system] get_char((0x55772f068e50), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1223676)
   Call: (209) [system] peek_char((0x55772f068e50), _1224610)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1223676=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (208) [system] _1209740=[e]
   Exit: (208) [system] [e]=[e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (207) [system] _1195804=[z, e]
   Exit: (207) [system] [z, e]=[z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [z, e])
   Call: (206) [system] _1181868=[i, z, e]
   Exit: (206) [system] [i, z, e]=[i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [i, z, e])
   Call: (205) [system] _1167932=[s, i, z, e]
   Exit: (205) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [s, i, z, e])
   Call: (204) [system] _1153996=[e, s, i, z, e]
   Exit: (204) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [e, s, i, z, e])
   Call: (203) [system] _1140060=[h, e, s, i, z, e]
   Exit: (203) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [h, e, s, i, z, e])
   Call: (202) [system] _1126124=[t, h, e, s, i, z, e]
   Exit: (202) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [t, h, e, s, i, z, e])
   Call: (201) [system] _1112188=[n, t, h, e, s, i, z, e]
   Exit: (201) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, h, e, s, i, z, e])
   Call: (200) [system] _1098252=[y, n, t, h, e, s, i, z, e]
   Exit: (200) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [y, n, t, h, e, s, i, z, e])
^  Call: (199) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _1062742)
^  Call: (200) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _1259040)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_1259992, _1259994), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1259040), _1259974, fail)), '$restore_trace'(_1259992, _1259994))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_1259992, _1259994))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1259974, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(synthesize)
   Exit: (201) [system] atomic(synthesize)
^  Exit: (200) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (200) [system] integer(synthesize)
   Fail: (200) [system] integer(synthesize)
   Call: (200) [system] _1062742=synthesize
   Exit: (200) [system] synthesize=synthesize
^  Exit: (199) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (198) [user] read_symbolic(')', (0x55772f068e50), s, synthesize)
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), synthesize)
^  Call: (197) [user] read_list(')', (0x55772f068e50), _1272120)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1273978)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _1283572)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1286276)
   Exit: (200) [system] peek_char((0x55772f068e50), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1303210)
   Exit: (198) [system] peek_char((0x55772f068e50), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _1308780)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1310638)
   Exit: (200) [system] peek_char((0x55772f068e50), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _1326648)
   Exit: (199) [system] get_char((0x55772f068e50), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x55772f068e50), _1308780)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1332218)
   Exit: (201) [system] peek_char((0x55772f068e50), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1348228)
   Exit: (200) [system] peek_char((0x55772f068e50), :)
   Call: (200) [system] (:)=')'
   Fail: (200) [system] (:)=')'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _1353798)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1355656)
   Exit: (202) [system] peek_char((0x55772f068e50), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
   Call: (202) [system] (:)=(/)
   Fail: (202) [system] (:)=(/)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _1371666)
   Exit: (201) [system] get_char((0x55772f068e50), :)
   Call: (201) [system] (:)='('
   Fail: (201) [system] (:)='('
   Call: (201) [system] (:)='['
   Fail: (201) [system] (:)='['
   Call: (201) [system] (:)='{'
   Fail: (201) [system] (:)='{'
   Call: (201) [system] (:)='"'
   Fail: (201) [system] (:)='"'
   Call: (201) [system] (:)=!
   Fail: (201) [system] (:)=!
   Call: (201) [system] (:)='\''
   Fail: (201) [system] (:)='\''
   Call: (201) [system] (:)='`'
   Fail: (201) [system] (:)='`'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), :, _1353798)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1389308)
   Call: (203) [system] peek_char((0x55772f068e50), _1390242)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1389308=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (202) [user] classify_and_convert_charseq([:], _1353798)
^  Call: (203) [user] classify_and_convert_charseq_([:], _1399526)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1400478, _1400480), once(user:catch(read_from_chars([:], _1399526), _1400460, fail)), '$restore_trace'(_1400478, _1400480))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1400478, _1400480))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1400460, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(:)
   Exit: (204) [system] atomic(:)
^  Exit: (203) [user] classify_and_convert_charseq_([:], :)
   Call: (203) [system] integer(:)
   Fail: (203) [system] integer(:)
   Call: (203) [system] _1353798=(:)
   Exit: (203) [system] (:)=(:)
^  Exit: (202) [user] classify_and_convert_charseq([:], :)
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (200) [user] read_list(')', (0x55772f068e50), _1412606)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1414464)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _1424058)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1426762)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1443696)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _1449266)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1451124)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _1467134)
   Exit: (202) [system] get_char((0x55772f068e50), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), $, _1449266)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1484776)
   Call: (204) [system] peek_char((0x55772f068e50), _1485710)
   Exit: (204) [system] peek_char((0x55772f068e50), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1490430, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_1491362, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x55772f068e50), p)
   Exit: (204) [system] get_char((0x55772f068e50), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1498712)
   Call: (205) [system] peek_char((0x55772f068e50), _1499646)
   Exit: (205) [system] peek_char((0x55772f068e50), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1504366, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1505298, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x55772f068e50), r)
   Exit: (205) [system] get_char((0x55772f068e50), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1512648)
   Call: (206) [system] peek_char((0x55772f068e50), _1513582)
   Exit: (206) [system] peek_char((0x55772f068e50), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1518302, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1519234, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x55772f068e50), o)
   Exit: (206) [system] get_char((0x55772f068e50), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1526584)
   Call: (207) [system] peek_char((0x55772f068e50), _1527518)
   Exit: (207) [system] peek_char((0x55772f068e50), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1532238, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1533170, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x55772f068e50), o)
   Exit: (207) [system] get_char((0x55772f068e50), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1540520)
   Call: (208) [system] peek_char((0x55772f068e50), _1541454)
   Exit: (208) [system] peek_char((0x55772f068e50), f)
^  Call: (208) [user] is_delimiter(f)
   Call: (209) [system] char_type(f, space)
   Fail: (209) [system] char_type(f, space)
   Call: (209) [system] arg(_1546174, v('(', ')', end_of_file), f)
   Fail: (209) [system] arg(_1547106, v('(', ')', end_of_file), f)
^  Fail: (208) [user] is_delimiter(f)
   Call: (208) [system] ')'==f
   Fail: (208) [system] ')'==f
   Call: (208) [system] get_char((0x55772f068e50), f)
   Exit: (208) [system] get_char((0x55772f068e50), f)
   Call: (208) [system] f=(\)
   Fail: (208) [system] f=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1554456)
   Call: (209) [system] peek_char((0x55772f068e50), _1555390)
   Exit: (209) [system] peek_char((0x55772f068e50), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Fail: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_1560110, v('(', ')', end_of_file), '2')
   Fail: (210) [system] arg(_1561042, v('(', ')', end_of_file), '2')
^  Fail: (209) [user] is_delimiter('2')
   Call: (209) [system] ')'=='2'
   Fail: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x55772f068e50), '2')
   Exit: (209) [system] get_char((0x55772f068e50), '2')
   Call: (209) [system] '2'=(\)
   Fail: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1568392)
   Call: (210) [system] peek_char((0x55772f068e50), _1569326)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1568392=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (209) [system] _1554456=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), ['2'])
   Call: (208) [system] _1540520=[f, '2']
   Exit: (208) [system] [f, '2']=[f, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '2'])
   Call: (207) [system] _1526584=[o, f, '2']
   Exit: (207) [system] [o, f, '2']=[o, f, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '2'])
   Call: (206) [system] _1512648=[o, o, f, '2']
   Exit: (206) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '2'])
   Call: (205) [system] _1498712=[r, o, o, f, '2']
   Exit: (205) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '2'])
   Call: (204) [system] _1484776=[p, r, o, o, f, '2']
   Exit: (204) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '2'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _1449266)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _1595374)
   Call: (205) [system] atom_chars(_1596306, ['_', p, r, o, o, f, '2'])
   Exit: (205) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _proof2)
   Call: (204) [system] integer(_proof2)
   Fail: (204) [system] integer(_proof2)
   Call: (204) [system] _1449266=_proof2
   Exit: (204) [system] _proof2=_proof2
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _proof2)
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), $, _proof2)
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), _proof2)
^  Call: (201) [user] read_list(')', (0x55772f068e50), _1605598)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1607456)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _1617050)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1619754)
   Exit: (204) [system] peek_char((0x55772f068e50), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1636688)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x55772f068e50), _1642258)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1644116)
   Exit: (204) [system] peek_char((0x55772f068e50), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] get_char((0x55772f068e50), _1660126)
   Exit: (203) [system] get_char((0x55772f068e50), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x55772f068e50), $, _1642258)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1677768)
   Call: (205) [system] peek_char((0x55772f068e50), _1678702)
   Exit: (205) [system] peek_char((0x55772f068e50), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Fail: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_1683422, v('(', ')', end_of_file), p)
   Fail: (206) [system] arg(_1684354, v('(', ')', end_of_file), p)
^  Fail: (205) [user] is_delimiter(p)
   Call: (205) [system] ')'==p
   Fail: (205) [system] ')'==p
   Call: (205) [system] get_char((0x55772f068e50), p)
   Exit: (205) [system] get_char((0x55772f068e50), p)
   Call: (205) [system] p=(\)
   Fail: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1691704)
   Call: (206) [system] peek_char((0x55772f068e50), _1692638)
   Exit: (206) [system] peek_char((0x55772f068e50), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_1697358, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_1698290, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x55772f068e50), r)
   Exit: (206) [system] get_char((0x55772f068e50), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1705640)
   Call: (207) [system] peek_char((0x55772f068e50), _1706574)
   Exit: (207) [system] peek_char((0x55772f068e50), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1711294, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_1712226, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x55772f068e50), e)
   Exit: (207) [system] get_char((0x55772f068e50), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1719576)
   Call: (208) [system] peek_char((0x55772f068e50), _1720510)
   Exit: (208) [system] peek_char((0x55772f068e50), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_1725230, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_1726162, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x55772f068e50), m)
   Exit: (208) [system] get_char((0x55772f068e50), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1733512)
   Call: (209) [system] peek_char((0x55772f068e50), _1734446)
   Exit: (209) [system] peek_char((0x55772f068e50), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1739166, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_1740098, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x55772f068e50), i)
   Exit: (209) [system] get_char((0x55772f068e50), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1747448)
   Call: (210) [system] peek_char((0x55772f068e50), _1748382)
   Exit: (210) [system] peek_char((0x55772f068e50), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Fail: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_1753102, v('(', ')', end_of_file), s)
   Fail: (211) [system] arg(_1754034, v('(', ')', end_of_file), s)
^  Fail: (210) [user] is_delimiter(s)
   Call: (210) [system] ')'==s
   Fail: (210) [system] ')'==s
   Call: (210) [system] get_char((0x55772f068e50), s)
   Exit: (210) [system] get_char((0x55772f068e50), s)
   Call: (210) [system] s=(\)
   Fail: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1761384)
   Call: (211) [system] peek_char((0x55772f068e50), _1762318)
   Exit: (211) [system] peek_char((0x55772f068e50), e)
^  Call: (211) [user] is_delimiter(e)
   Call: (212) [system] char_type(e, space)
   Fail: (212) [system] char_type(e, space)
   Call: (212) [system] arg(_1767038, v('(', ')', end_of_file), e)
   Fail: (212) [system] arg(_1767970, v('(', ')', end_of_file), e)
^  Fail: (211) [user] is_delimiter(e)
   Call: (211) [system] ')'==e
   Fail: (211) [system] ')'==e
   Call: (211) [system] get_char((0x55772f068e50), e)
   Exit: (211) [system] get_char((0x55772f068e50), e)
   Call: (211) [system] e=(\)
   Fail: (211) [system] e=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1775320)
   Call: (212) [system] peek_char((0x55772f068e50), _1776254)
   Exit: (212) [system] peek_char((0x55772f068e50), '2')
^  Call: (212) [user] is_delimiter('2')
   Call: (213) [system] char_type('2', space)
   Fail: (213) [system] char_type('2', space)
   Call: (213) [system] arg(_1780974, v('(', ')', end_of_file), '2')
   Fail: (213) [system] arg(_1781906, v('(', ')', end_of_file), '2')
^  Fail: (212) [user] is_delimiter('2')
   Call: (212) [system] ')'=='2'
   Fail: (212) [system] ')'=='2'
   Call: (212) [system] get_char((0x55772f068e50), '2')
   Exit: (212) [system] get_char((0x55772f068e50), '2')
   Call: (212) [system] '2'=(\)
   Fail: (212) [system] '2'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1789256)
   Call: (213) [system] peek_char((0x55772f068e50), _1790190)
   Exit: (213) [system] peek_char((0x55772f068e50), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_1794910, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _1789256=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (212) [system] _1775320=['2']
   Exit: (212) [system] ['2']=['2']
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), ['2'])
   Call: (211) [system] _1761384=[e, '2']
   Exit: (211) [system] [e, '2']=[e, '2']
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '2'])
   Call: (210) [system] _1747448=[s, e, '2']
   Exit: (210) [system] [s, e, '2']=[s, e, '2']
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '2'])
   Call: (209) [system] _1733512=[i, s, e, '2']
   Exit: (209) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '2'])
   Call: (208) [system] _1719576=[m, i, s, e, '2']
   Exit: (208) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '2'])
   Call: (207) [system] _1705640=[e, m, i, s, e, '2']
   Exit: (207) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '2'])
   Call: (206) [system] _1691704=[r, e, m, i, s, e, '2']
   Exit: (206) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '2'])
   Call: (205) [system] _1677768=[p, r, e, m, i, s, e, '2']
   Exit: (205) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '2'])
^  Call: (204) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _1642258)
^  Call: (205) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _1823698)
   Call: (206) [system] atom_chars(_1824630, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (206) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (205) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _premise2)
   Call: (205) [system] integer(_premise2)
   Fail: (205) [system] integer(_premise2)
   Call: (205) [system] _1642258=_premise2
   Exit: (205) [system] _premise2=_premise2
^  Exit: (204) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (203) [user] read_symbolic(')', (0x55772f068e50), $, _premise2)
^  Exit: (202) [user] cont_sexpr(')', (0x55772f068e50), _premise2)
^  Call: (202) [user] read_list(')', (0x55772f068e50), _1833922)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1835780)
   Exit: (204) [system] peek_char((0x55772f068e50), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1851790)
   Exit: (203) [system] peek_char((0x55772f068e50), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x55772f068e50), _1855580)
   Exit: (203) [system] get_char((0x55772f068e50), ')')
   Call: (203) [system] _1833922=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x55772f068e50), [])
   Call: (202) [system] _1605598=[_premise2]
   Exit: (202) [system] [_premise2]=[_premise2]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [_premise2])
   Call: (201) [system] _1412606=[_proof2, _premise2]
   Exit: (201) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [_proof2, _premise2])
   Call: (200) [system] _1308780=[:, _proof2, _premise2]
   Exit: (200) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [:, _proof2, _premise2])
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), [:, _proof2, _premise2])
^  Call: (198) [user] read_list(')', (0x55772f068e50), _1869462)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1871320)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _1880914)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1883618)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1900552)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _1906122)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1907980)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _1923990)
   Exit: (200) [system] get_char((0x55772f068e50), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), $, _1906122)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1941632)
   Call: (202) [system] peek_char((0x55772f068e50), _1942566)
   Exit: (202) [system] peek_char((0x55772f068e50), k)
^  Call: (202) [user] is_delimiter(k)
   Call: (203) [system] char_type(k, space)
   Fail: (203) [system] char_type(k, space)
   Call: (203) [system] arg(_1947286, v('(', ')', end_of_file), k)
   Fail: (203) [system] arg(_1948218, v('(', ')', end_of_file), k)
^  Fail: (202) [user] is_delimiter(k)
   Call: (202) [system] ')'==k
   Fail: (202) [system] ')'==k
   Call: (202) [system] get_char((0x55772f068e50), k)
   Exit: (202) [system] get_char((0x55772f068e50), k)
   Call: (202) [system] k=(\)
   Fail: (202) [system] k=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1955568)
   Call: (203) [system] peek_char((0x55772f068e50), _1956502)
   Exit: (203) [system] peek_char((0x55772f068e50), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_1961222, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_1962154, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x55772f068e50), b)
   Exit: (203) [system] get_char((0x55772f068e50), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1969504)
   Call: (204) [system] peek_char((0x55772f068e50), _1970438)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1969504=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (203) [system] _1955568=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (202) [system] _1941632=[k, b]
   Exit: (202) [system] [k, b]=[k, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [k, b])
^  Call: (201) [user] classify_and_convert_charseq([$, k, b], _1906122)
^  Call: (202) [user] classify_and_convert_charseq_([$, k, b], _1985310)
   Call: (203) [system] atom_chars(_1986242, ['_', k, b])
   Exit: (203) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (202) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (202) [system] integer(_kb)
   Fail: (202) [system] integer(_kb)
   Call: (202) [system] _1906122=_kb
   Exit: (202) [system] _kb=_kb
^  Exit: (201) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), $, _kb)
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), _kb)
^  Call: (199) [user] read_list(')', (0x55772f068e50), _1995534)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1997392)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _2006986)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _2009690)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _2026624)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _2032194)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _2034052)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _2050062)
   Exit: (201) [system] get_char((0x55772f068e50), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), $, _2032194)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _2067704)
   Call: (203) [system] peek_char((0x55772f068e50), _2068638)
   Exit: (203) [system] peek_char((0x55772f068e50), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_2073358, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_2074290, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x55772f068e50), r)
   Exit: (203) [system] get_char((0x55772f068e50), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _2081640)
   Call: (204) [system] peek_char((0x55772f068e50), _2082574)
   Exit: (204) [system] peek_char((0x55772f068e50), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Fail: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_2087294, v('(', ')', end_of_file), b)
   Fail: (205) [system] arg(_2088226, v('(', ')', end_of_file), b)
^  Fail: (204) [user] is_delimiter(b)
   Call: (204) [system] ')'==b
   Fail: (204) [system] ')'==b
   Call: (204) [system] get_char((0x55772f068e50), b)
   Exit: (204) [system] get_char((0x55772f068e50), b)
   Call: (204) [system] b=(\)
   Fail: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _2095576)
   Call: (205) [system] peek_char((0x55772f068e50), _3888)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _3884=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (204) [system] _3880=[b]
   Exit: (204) [system] [b]=[b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (203) [system] _3876=[r, b]
   Exit: (203) [system] [r, b]=[r, b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [r, b])
^  Call: (202) [user] classify_and_convert_charseq([$, r, b], _3872)
^  Call: (203) [user] classify_and_convert_charseq_([$, r, b], _18476)
   Call: (204) [system] atom_chars(_19408, ['_', r, b])
   Exit: (204) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (203) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (203) [system] integer(_rb)
   Fail: (203) [system] integer(_rb)
   Call: (203) [system] _3872=_rb
   Exit: (203) [system] _rb=_rb
^  Exit: (202) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), $, _rb)
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), _rb)
^  Call: (200) [user] read_list(')', (0x55772f068e50), _28700)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _30558)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _40152)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _42856)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _59790)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _65360)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _67218)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _83228)
   Exit: (202) [system] get_char((0x55772f068e50), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), $, _65360)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _100870)
   Call: (204) [system] peek_char((0x55772f068e50), _101804)
   Exit: (204) [system] peek_char((0x55772f068e50), k)
^  Call: (204) [user] is_delimiter(k)
   Call: (205) [system] char_type(k, space)
   Fail: (205) [system] char_type(k, space)
   Call: (205) [system] arg(_106524, v('(', ')', end_of_file), k)
   Fail: (205) [system] arg(_107456, v('(', ')', end_of_file), k)
^  Fail: (204) [user] is_delimiter(k)
   Call: (204) [system] ')'==k
   Fail: (204) [system] ')'==k
   Call: (204) [system] get_char((0x55772f068e50), k)
   Exit: (204) [system] get_char((0x55772f068e50), k)
   Call: (204) [system] k=(\)
   Fail: (204) [system] k=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _114806)
   Call: (205) [system] peek_char((0x55772f068e50), _115740)
   Exit: (205) [system] peek_char((0x55772f068e50), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_120460, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _114806=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (204) [system] _100870=[k]
   Exit: (204) [system] [k]=[k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
^  Call: (203) [user] classify_and_convert_charseq([$, k], _65360)
^  Call: (204) [user] classify_and_convert_charseq_([$, k], _129690)
   Call: (205) [system] atom_chars(_130622, ['_', k])
   Exit: (205) [system] atom_chars('_k', ['_', k])
^  Exit: (204) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (204) [system] integer(_k)
   Fail: (204) [system] integer(_k)
   Call: (204) [system] _65360=_k
   Exit: (204) [system] _k=_k
^  Exit: (203) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), $, _k)
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), _k)
^  Call: (201) [user] read_list(')', (0x55772f068e50), _139914)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _141772)
   Exit: (203) [system] peek_char((0x55772f068e50), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _157782)
   Exit: (202) [system] peek_char((0x55772f068e50), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x55772f068e50), _161572)
   Exit: (202) [system] get_char((0x55772f068e50), ')')
   Call: (202) [system] _139914=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [])
   Call: (201) [system] _28700=[_k]
   Exit: (201) [system] [_k]=[_k]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [_k])
   Call: (200) [system] _3868=[_rb, _k]
   Exit: (200) [system] [_rb, _k]=[_rb, _k]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [_rb, _k])
   Call: (199) [system] _3858=[_kb, _rb, _k]
   Exit: (199) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [_kb, _rb, _k])
   Call: (198) [system] _3826=[[:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (198) [system] [[:, _proof2, _premise2], _kb, _rb, _k]=[[:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [[:, _proof2, _premise2], _kb, _rb, _k])
   Call: (197) [system] _3818=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (197) [system] [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Call: (195) [user] read_list(')', (0x55772f068e50), _181042)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _182900)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _198910)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x55772f068e50), _202700)
   Exit: (196) [system] get_char((0x55772f068e50), ')')
   Call: (196) [system] _181042=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [])
   Call: (195) [system] _3814=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (195) [system] [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Call: (194) [system] _3780=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (194) [system] [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Call: (192) [user] read_list(')', (0x55772f068e50), _213788)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _215646)
   Exit: (194) [system] peek_char((0x55772f068e50), '\n')
   Call: (194) [system] '\n'=(;)
   Fail: (194) [system] '\n'=(;)
   Call: (194) [system] '\n'=(/)
   Fail: (194) [system] '\n'=(/)
^  Call: (194) [user] is_like_space('\n')
   Call: (195) [system] char_type('\n', 'white')
   Fail: (195) [system] char_type('\n', 'white')
   Call: (195) [system] char_type('\n', end_of_line)
   Exit: (195) [system] char_type('\n', end_of_line)
^  Exit: (194) [user] is_like_space('\n')
   Call: (194) [system] get_char((0x55772f068e50), _227096)
   Exit: (194) [system] get_char((0x55772f068e50), '\n')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _229800)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _239394)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _242098)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _251692)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _254396)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _263990)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _266694)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _276288)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _278992)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _288586)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _291290)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _300884)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _303588)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _313182)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _315886)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _325480)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _328184)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _337778)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _340482)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x55772f068e50), _350076)
   Exit: (204) [system] get_char((0x55772f068e50), ' ')
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _352780)
   Exit: (205) [system] peek_char((0x55772f068e50), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _378954)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _384524)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _386382)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _402392)
   Exit: (194) [system] get_char((0x55772f068e50), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x55772f068e50), _384524)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _407962)
   Exit: (196) [system] peek_char((0x55772f068e50), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _423972)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _429542)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _431400)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _447410)
   Exit: (196) [system] get_char((0x55772f068e50), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x55772f068e50), _429542)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _452980)
   Exit: (198) [system] peek_char((0x55772f068e50), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
   Call: (198) [system] (:)=(/)
   Fail: (198) [system] (:)=(/)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _468990)
   Exit: (197) [system] peek_char((0x55772f068e50), :)
   Call: (197) [system] (:)=')'
   Fail: (197) [system] (:)=')'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _474560)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _476418)
   Exit: (199) [system] peek_char((0x55772f068e50), :)
   Call: (199) [system] (:)=(;)
   Fail: (199) [system] (:)=(;)
   Call: (199) [system] (:)=(/)
   Fail: (199) [system] (:)=(/)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Fail: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Fail: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
   Fail: (200) [system] char_type(:, cntrl)
^  Fail: (199) [user] is_like_space(:)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _492428)
   Exit: (198) [system] get_char((0x55772f068e50), :)
   Call: (198) [system] (:)='('
   Fail: (198) [system] (:)='('
   Call: (198) [system] (:)='['
   Fail: (198) [system] (:)='['
   Call: (198) [system] (:)='{'
   Fail: (198) [system] (:)='{'
   Call: (198) [system] (:)='"'
   Fail: (198) [system] (:)='"'
   Call: (198) [system] (:)=!
   Fail: (198) [system] (:)=!
   Call: (198) [system] (:)='\''
   Fail: (198) [system] (:)='\''
   Call: (198) [system] (:)='`'
   Fail: (198) [system] (:)='`'
   Call: (198) [system] (:)=end_of_file
   Fail: (198) [system] (:)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x55772f068e50), :, _474560)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _510070)
   Call: (200) [system] peek_char((0x55772f068e50), _511004)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _510070=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (199) [user] classify_and_convert_charseq([:], _474560)
^  Call: (200) [user] classify_and_convert_charseq_([:], _520288)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_521240, _521242), once(user:catch(read_from_chars([:], _520288), _521222, fail)), '$restore_trace'(_521240, _521242))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_521240, _521242))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _521222, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(:)
   Exit: (201) [system] atomic(:)
^  Exit: (200) [user] classify_and_convert_charseq_([:], :)
   Call: (200) [system] integer(:)
   Fail: (200) [system] integer(:)
   Call: (200) [system] _474560=(:)
   Exit: (200) [system] (:)=(:)
^  Exit: (199) [user] classify_and_convert_charseq([:], :)
^  Exit: (198) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (197) [user] read_list(')', (0x55772f068e50), _533368)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _535226)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _544820)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _547524)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _564458)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _570028)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _571886)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _587896)
   Exit: (199) [system] get_char((0x55772f068e50), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x55772f068e50), $, _570028)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _605538)
   Call: (201) [system] peek_char((0x55772f068e50), _606472)
   Exit: (201) [system] peek_char((0x55772f068e50), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_611192, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_612124, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x55772f068e50), p)
   Exit: (201) [system] get_char((0x55772f068e50), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _619474)
   Call: (202) [system] peek_char((0x55772f068e50), _620408)
   Exit: (202) [system] peek_char((0x55772f068e50), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_625128, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_626060, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x55772f068e50), r)
   Exit: (202) [system] get_char((0x55772f068e50), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _633410)
   Call: (203) [system] peek_char((0x55772f068e50), _634344)
   Exit: (203) [system] peek_char((0x55772f068e50), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_639064, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_639996, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x55772f068e50), o)
   Exit: (203) [system] get_char((0x55772f068e50), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _647346)
   Call: (204) [system] peek_char((0x55772f068e50), _648280)
   Exit: (204) [system] peek_char((0x55772f068e50), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_653000, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_653932, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x55772f068e50), o)
   Exit: (204) [system] get_char((0x55772f068e50), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _661282)
   Call: (205) [system] peek_char((0x55772f068e50), _662216)
   Exit: (205) [system] peek_char((0x55772f068e50), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Fail: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_666936, v('(', ')', end_of_file), f)
   Fail: (206) [system] arg(_667868, v('(', ')', end_of_file), f)
^  Fail: (205) [user] is_delimiter(f)
   Call: (205) [system] ')'==f
   Fail: (205) [system] ')'==f
   Call: (205) [system] get_char((0x55772f068e50), f)
   Exit: (205) [system] get_char((0x55772f068e50), f)
   Call: (205) [system] f=(\)
   Fail: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _675218)
   Call: (206) [system] peek_char((0x55772f068e50), _676152)
   Exit: (206) [system] peek_char((0x55772f068e50), '3')
^  Call: (206) [user] is_delimiter('3')
   Call: (207) [system] char_type('3', space)
   Fail: (207) [system] char_type('3', space)
   Call: (207) [system] arg(_680872, v('(', ')', end_of_file), '3')
   Fail: (207) [system] arg(_681804, v('(', ')', end_of_file), '3')
^  Fail: (206) [user] is_delimiter('3')
   Call: (206) [system] ')'=='3'
   Fail: (206) [system] ')'=='3'
   Call: (206) [system] get_char((0x55772f068e50), '3')
   Exit: (206) [system] get_char((0x55772f068e50), '3')
   Call: (206) [system] '3'=(\)
   Fail: (206) [system] '3'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _689154)
   Call: (207) [system] peek_char((0x55772f068e50), _690088)
   Exit: (207) [system] peek_char((0x55772f068e50), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _689154=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (206) [system] _675218=['3']
   Exit: (206) [system] ['3']=['3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), ['3'])
   Call: (205) [system] _661282=[f, '3']
   Exit: (205) [system] [f, '3']=[f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '3'])
   Call: (204) [system] _647346=[o, f, '3']
   Exit: (204) [system] [o, f, '3']=[o, f, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '3'])
   Call: (203) [system] _633410=[o, o, f, '3']
   Exit: (203) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '3'])
   Call: (202) [system] _619474=[r, o, o, f, '3']
   Exit: (202) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '3'])
   Call: (201) [system] _605538=[p, r, o, o, f, '3']
   Exit: (201) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '3'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _570028)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _716136)
   Call: (202) [system] atom_chars(_717068, ['_', p, r, o, o, f, '3'])
   Exit: (202) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _proof3)
   Call: (201) [system] integer(_proof3)
   Fail: (201) [system] integer(_proof3)
   Call: (201) [system] _570028=_proof3
   Exit: (201) [system] _proof3=_proof3
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _proof3)
^  Exit: (199) [user] read_symbolic(')', (0x55772f068e50), $, _proof3)
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), _proof3)
^  Call: (198) [user] read_list(')', (0x55772f068e50), _726360)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _728218)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _737812)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _740516)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _757450)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _763020)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _764878)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _780888)
   Exit: (200) [system] get_char((0x55772f068e50), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), $, _763020)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _798530)
   Call: (202) [system] peek_char((0x55772f068e50), _799464)
   Exit: (202) [system] peek_char((0x55772f068e50), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_804184, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_805116, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x55772f068e50), p)
   Exit: (202) [system] get_char((0x55772f068e50), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _812466)
   Call: (203) [system] peek_char((0x55772f068e50), _813400)
   Exit: (203) [system] peek_char((0x55772f068e50), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_818120, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_819052, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x55772f068e50), r)
   Exit: (203) [system] get_char((0x55772f068e50), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _826402)
   Call: (204) [system] peek_char((0x55772f068e50), _827336)
   Exit: (204) [system] peek_char((0x55772f068e50), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_832056, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_832988, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x55772f068e50), e)
   Exit: (204) [system] get_char((0x55772f068e50), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _840338)
   Call: (205) [system] peek_char((0x55772f068e50), _841272)
   Exit: (205) [system] peek_char((0x55772f068e50), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Fail: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_845992, v('(', ')', end_of_file), m)
   Fail: (206) [system] arg(_846924, v('(', ')', end_of_file), m)
^  Fail: (205) [user] is_delimiter(m)
   Call: (205) [system] ')'==m
   Fail: (205) [system] ')'==m
   Call: (205) [system] get_char((0x55772f068e50), m)
   Exit: (205) [system] get_char((0x55772f068e50), m)
   Call: (205) [system] m=(\)
   Fail: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _854274)
   Call: (206) [system] peek_char((0x55772f068e50), _855208)
   Exit: (206) [system] peek_char((0x55772f068e50), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_859928, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_860860, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x55772f068e50), i)
   Exit: (206) [system] get_char((0x55772f068e50), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _868210)
   Call: (207) [system] peek_char((0x55772f068e50), _869144)
   Exit: (207) [system] peek_char((0x55772f068e50), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_873864, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_874796, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x55772f068e50), s)
   Exit: (207) [system] get_char((0x55772f068e50), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _882146)
   Call: (208) [system] peek_char((0x55772f068e50), _883080)
   Exit: (208) [system] peek_char((0x55772f068e50), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_887800, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_888732, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x55772f068e50), e)
   Exit: (208) [system] get_char((0x55772f068e50), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _896082)
   Call: (209) [system] peek_char((0x55772f068e50), _897016)
   Exit: (209) [system] peek_char((0x55772f068e50), '3')
^  Call: (209) [user] is_delimiter('3')
   Call: (210) [system] char_type('3', space)
   Fail: (210) [system] char_type('3', space)
   Call: (210) [system] arg(_901736, v('(', ')', end_of_file), '3')
   Fail: (210) [system] arg(_902668, v('(', ')', end_of_file), '3')
^  Fail: (209) [user] is_delimiter('3')
   Call: (209) [system] ')'=='3'
   Fail: (209) [system] ')'=='3'
   Call: (209) [system] get_char((0x55772f068e50), '3')
   Exit: (209) [system] get_char((0x55772f068e50), '3')
   Call: (209) [system] '3'=(\)
   Fail: (209) [system] '3'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _910018)
   Call: (210) [system] peek_char((0x55772f068e50), _910952)
   Exit: (210) [system] peek_char((0x55772f068e50), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_915672, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _910018=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (209) [system] _896082=['3']
   Exit: (209) [system] ['3']=['3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), ['3'])
   Call: (208) [system] _882146=[e, '3']
   Exit: (208) [system] [e, '3']=[e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '3'])
   Call: (207) [system] _868210=[s, e, '3']
   Exit: (207) [system] [s, e, '3']=[s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '3'])
   Call: (206) [system] _854274=[i, s, e, '3']
   Exit: (206) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '3'])
   Call: (205) [system] _840338=[m, i, s, e, '3']
   Exit: (205) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '3'])
   Call: (204) [system] _826402=[e, m, i, s, e, '3']
   Exit: (204) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '3'])
   Call: (203) [system] _812466=[r, e, m, i, s, e, '3']
   Exit: (203) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '3'])
   Call: (202) [system] _798530=[p, r, e, m, i, s, e, '3']
   Exit: (202) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '3'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _763020)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _944460)
   Call: (203) [system] atom_chars(_945392, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (203) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _premise3)
   Call: (202) [system] integer(_premise3)
   Fail: (202) [system] integer(_premise3)
   Call: (202) [system] _763020=_premise3
   Exit: (202) [system] _premise3=_premise3
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), $, _premise3)
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), _premise3)
^  Call: (199) [user] read_list(')', (0x55772f068e50), _954684)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _956542)
   Exit: (201) [system] peek_char((0x55772f068e50), ')')
   Call: (201) [system] ')'=(;)
   Fail: (201) [system] ')'=(;)
   Call: (201) [system] ')'=(/)
   Fail: (201) [system] ')'=(/)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Fail: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Fail: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
   Fail: (202) [system] char_type(')', cntrl)
^  Fail: (201) [user] is_like_space(')')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _972552)
   Exit: (200) [system] peek_char((0x55772f068e50), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x55772f068e50), _976342)
   Exit: (200) [system] get_char((0x55772f068e50), ')')
   Call: (200) [system] _954684=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [])
   Call: (199) [system] _726360=[_premise3]
   Exit: (199) [system] [_premise3]=[_premise3]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [_premise3])
   Call: (198) [system] _533368=[_proof3, _premise3]
   Exit: (198) [system] [_proof3, _premise3]=[_proof3, _premise3]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [_proof3, _premise3])
   Call: (197) [system] _429542=[:, _proof3, _premise3]
   Exit: (197) [system] [:, _proof3, _premise3]=[:, _proof3, _premise3]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [:, _proof3, _premise3])
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), [:, _proof3, _premise3])
^  Call: (195) [user] read_list(')', (0x55772f068e50), _990224)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _992082)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _1001676)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1004380)
   Exit: (198) [system] peek_char((0x55772f068e50), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1021314)
   Exit: (196) [system] peek_char((0x55772f068e50), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _1026884)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1028742)
   Exit: (198) [system] peek_char((0x55772f068e50), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _1044752)
   Exit: (197) [system] get_char((0x55772f068e50), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x55772f068e50), _1026884)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1050322)
   Exit: (199) [system] peek_char((0x55772f068e50), s)
   Call: (199) [system] s=(;)
   Fail: (199) [system] s=(;)
   Call: (199) [system] s=(/)
   Fail: (199) [system] s=(/)
^  Call: (199) [user] is_like_space(s)
   Call: (200) [system] char_type(s, 'white')
   Fail: (200) [system] char_type(s, 'white')
   Call: (200) [system] char_type(s, end_of_line)
   Fail: (200) [system] char_type(s, end_of_line)
   Call: (200) [system] char_type(s, space)
   Fail: (200) [system] char_type(s, space)
   Call: (200) [system] char_type(s, cntrl)
   Fail: (200) [system] char_type(s, cntrl)
^  Fail: (199) [user] is_like_space(s)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1066332)
   Exit: (198) [system] peek_char((0x55772f068e50), s)
   Call: (198) [system] s=')'
   Fail: (198) [system] s=')'
   Call: (198) [system] s=end_of_file
   Fail: (198) [system] s=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _1071902)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1073760)
   Exit: (200) [system] peek_char((0x55772f068e50), s)
   Call: (200) [system] s=(;)
   Fail: (200) [system] s=(;)
   Call: (200) [system] s=(/)
   Fail: (200) [system] s=(/)
^  Call: (200) [user] is_like_space(s)
   Call: (201) [system] char_type(s, 'white')
   Fail: (201) [system] char_type(s, 'white')
   Call: (201) [system] char_type(s, end_of_line)
   Fail: (201) [system] char_type(s, end_of_line)
   Call: (201) [system] char_type(s, space)
   Fail: (201) [system] char_type(s, space)
   Call: (201) [system] char_type(s, cntrl)
   Fail: (201) [system] char_type(s, cntrl)
^  Fail: (200) [user] is_like_space(s)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _1089770)
   Exit: (199) [system] get_char((0x55772f068e50), s)
   Call: (199) [system] s='('
   Fail: (199) [system] s='('
   Call: (199) [system] s='['
   Fail: (199) [system] s='['
   Call: (199) [system] s='{'
   Fail: (199) [system] s='{'
   Call: (199) [system] s='"'
   Fail: (199) [system] s='"'
   Call: (199) [system] s=!
   Fail: (199) [system] s=!
   Call: (199) [system] s='\''
   Fail: (199) [system] s='\''
   Call: (199) [system] s='`'
   Fail: (199) [system] s='`'
   Call: (199) [system] s=end_of_file
   Fail: (199) [system] s=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x55772f068e50), s, _1071902)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1107412)
   Call: (201) [system] peek_char((0x55772f068e50), _1108346)
   Exit: (201) [system] peek_char((0x55772f068e50), y)
^  Call: (201) [user] is_delimiter(y)
   Call: (202) [system] char_type(y, space)
   Fail: (202) [system] char_type(y, space)
   Call: (202) [system] arg(_1113066, v('(', ')', end_of_file), y)
   Fail: (202) [system] arg(_1113998, v('(', ')', end_of_file), y)
^  Fail: (201) [user] is_delimiter(y)
   Call: (201) [system] ')'==y
   Fail: (201) [system] ')'==y
   Call: (201) [system] get_char((0x55772f068e50), y)
   Exit: (201) [system] get_char((0x55772f068e50), y)
   Call: (201) [system] y=(\)
   Fail: (201) [system] y=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1121348)
   Call: (202) [system] peek_char((0x55772f068e50), _1122282)
   Exit: (202) [system] peek_char((0x55772f068e50), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Fail: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_1127002, v('(', ')', end_of_file), n)
   Fail: (203) [system] arg(_1127934, v('(', ')', end_of_file), n)
^  Fail: (202) [user] is_delimiter(n)
   Call: (202) [system] ')'==n
   Fail: (202) [system] ')'==n
   Call: (202) [system] get_char((0x55772f068e50), n)
   Exit: (202) [system] get_char((0x55772f068e50), n)
   Call: (202) [system] n=(\)
   Fail: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1135284)
   Call: (203) [system] peek_char((0x55772f068e50), _1136218)
   Exit: (203) [system] peek_char((0x55772f068e50), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Fail: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_1140938, v('(', ')', end_of_file), t)
   Fail: (204) [system] arg(_1141870, v('(', ')', end_of_file), t)
^  Fail: (203) [user] is_delimiter(t)
   Call: (203) [system] ')'==t
   Fail: (203) [system] ')'==t
   Call: (203) [system] get_char((0x55772f068e50), t)
   Exit: (203) [system] get_char((0x55772f068e50), t)
   Call: (203) [system] t=(\)
   Fail: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1149220)
   Call: (204) [system] peek_char((0x55772f068e50), _1150154)
   Exit: (204) [system] peek_char((0x55772f068e50), h)
^  Call: (204) [user] is_delimiter(h)
   Call: (205) [system] char_type(h, space)
   Fail: (205) [system] char_type(h, space)
   Call: (205) [system] arg(_1154874, v('(', ')', end_of_file), h)
   Fail: (205) [system] arg(_1155806, v('(', ')', end_of_file), h)
^  Fail: (204) [user] is_delimiter(h)
   Call: (204) [system] ')'==h
   Fail: (204) [system] ')'==h
   Call: (204) [system] get_char((0x55772f068e50), h)
   Exit: (204) [system] get_char((0x55772f068e50), h)
   Call: (204) [system] h=(\)
   Fail: (204) [system] h=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1163156)
   Call: (205) [system] peek_char((0x55772f068e50), _1164090)
   Exit: (205) [system] peek_char((0x55772f068e50), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Fail: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_1168810, v('(', ')', end_of_file), e)
   Fail: (206) [system] arg(_1169742, v('(', ')', end_of_file), e)
^  Fail: (205) [user] is_delimiter(e)
   Call: (205) [system] ')'==e
   Fail: (205) [system] ')'==e
   Call: (205) [system] get_char((0x55772f068e50), e)
   Exit: (205) [system] get_char((0x55772f068e50), e)
   Call: (205) [system] e=(\)
   Fail: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1177092)
   Call: (206) [system] peek_char((0x55772f068e50), _1178026)
   Exit: (206) [system] peek_char((0x55772f068e50), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_1182746, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_1183678, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x55772f068e50), s)
   Exit: (206) [system] get_char((0x55772f068e50), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1191028)
   Call: (207) [system] peek_char((0x55772f068e50), _1191962)
   Exit: (207) [system] peek_char((0x55772f068e50), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1196682, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_1197614, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x55772f068e50), i)
   Exit: (207) [system] get_char((0x55772f068e50), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1204964)
   Call: (208) [system] peek_char((0x55772f068e50), _1205898)
   Exit: (208) [system] peek_char((0x55772f068e50), z)
^  Call: (208) [user] is_delimiter(z)
   Call: (209) [system] char_type(z, space)
   Fail: (209) [system] char_type(z, space)
   Call: (209) [system] arg(_1210618, v('(', ')', end_of_file), z)
   Fail: (209) [system] arg(_1211550, v('(', ')', end_of_file), z)
^  Fail: (208) [user] is_delimiter(z)
   Call: (208) [system] ')'==z
   Fail: (208) [system] ')'==z
   Call: (208) [system] get_char((0x55772f068e50), z)
   Exit: (208) [system] get_char((0x55772f068e50), z)
   Call: (208) [system] z=(\)
   Fail: (208) [system] z=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1218900)
   Call: (209) [system] peek_char((0x55772f068e50), _1219834)
   Exit: (209) [system] peek_char((0x55772f068e50), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_1224554, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_1225486, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x55772f068e50), e)
   Exit: (209) [system] get_char((0x55772f068e50), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1232836)
   Call: (210) [system] peek_char((0x55772f068e50), _1233770)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1232836=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (209) [system] _1218900=[e]
   Exit: (209) [system] [e]=[e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (208) [system] _1204964=[z, e]
   Exit: (208) [system] [z, e]=[z, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [z, e])
   Call: (207) [system] _1191028=[i, z, e]
   Exit: (207) [system] [i, z, e]=[i, z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [i, z, e])
   Call: (206) [system] _1177092=[s, i, z, e]
   Exit: (206) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [s, i, z, e])
   Call: (205) [system] _1163156=[e, s, i, z, e]
   Exit: (205) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [e, s, i, z, e])
   Call: (204) [system] _1149220=[h, e, s, i, z, e]
   Exit: (204) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [h, e, s, i, z, e])
   Call: (203) [system] _1135284=[t, h, e, s, i, z, e]
   Exit: (203) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [t, h, e, s, i, z, e])
   Call: (202) [system] _1121348=[n, t, h, e, s, i, z, e]
   Exit: (202) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, h, e, s, i, z, e])
   Call: (201) [system] _1107412=[y, n, t, h, e, s, i, z, e]
   Exit: (201) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [y, n, t, h, e, s, i, z, e])
^  Call: (200) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _1071902)
^  Call: (201) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _1268200)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1269152, _1269154), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1268200), _1269134, fail)), '$restore_trace'(_1269152, _1269154))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1269152, _1269154))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1269134, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(synthesize)
   Exit: (202) [system] atomic(synthesize)
^  Exit: (201) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (201) [system] integer(synthesize)
   Fail: (201) [system] integer(synthesize)
   Call: (201) [system] _1071902=synthesize
   Exit: (201) [system] synthesize=synthesize
^  Exit: (200) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (199) [user] read_symbolic(')', (0x55772f068e50), s, synthesize)
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), synthesize)
^  Call: (198) [user] read_list(')', (0x55772f068e50), _1281280)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1283138)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _1292732)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1295436)
   Exit: (201) [system] peek_char((0x55772f068e50), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1312370)
   Exit: (199) [system] peek_char((0x55772f068e50), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _1317940)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1319798)
   Exit: (201) [system] peek_char((0x55772f068e50), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _1335808)
   Exit: (200) [system] get_char((0x55772f068e50), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x55772f068e50), _1317940)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1341378)
   Exit: (202) [system] peek_char((0x55772f068e50), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
   Call: (202) [system] (:)=(/)
   Fail: (202) [system] (:)=(/)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1357388)
   Exit: (201) [system] peek_char((0x55772f068e50), :)
   Call: (201) [system] (:)=')'
   Fail: (201) [system] (:)=')'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _1362958)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1364816)
   Exit: (203) [system] peek_char((0x55772f068e50), :)
   Call: (203) [system] (:)=(;)
   Fail: (203) [system] (:)=(;)
   Call: (203) [system] (:)=(/)
   Fail: (203) [system] (:)=(/)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Fail: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Fail: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Fail: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
   Fail: (204) [system] char_type(:, cntrl)
^  Fail: (203) [user] is_like_space(:)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _1380826)
   Exit: (202) [system] get_char((0x55772f068e50), :)
   Call: (202) [system] (:)='('
   Fail: (202) [system] (:)='('
   Call: (202) [system] (:)='['
   Fail: (202) [system] (:)='['
   Call: (202) [system] (:)='{'
   Fail: (202) [system] (:)='{'
   Call: (202) [system] (:)='"'
   Fail: (202) [system] (:)='"'
   Call: (202) [system] (:)=!
   Fail: (202) [system] (:)=!
   Call: (202) [system] (:)='\''
   Fail: (202) [system] (:)='\''
   Call: (202) [system] (:)='`'
   Fail: (202) [system] (:)='`'
   Call: (202) [system] (:)=end_of_file
   Fail: (202) [system] (:)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), :, _1362958)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1398468)
   Call: (204) [system] peek_char((0x55772f068e50), _1399402)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1398468=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (203) [user] classify_and_convert_charseq([:], _1362958)
^  Call: (204) [user] classify_and_convert_charseq_([:], _1408686)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1409638, _1409640), once(user:catch(read_from_chars([:], _1408686), _1409620, fail)), '$restore_trace'(_1409638, _1409640))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1409638, _1409640))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1409620, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(:)
   Exit: (205) [system] atomic(:)
^  Exit: (204) [user] classify_and_convert_charseq_([:], :)
   Call: (204) [system] integer(:)
   Fail: (204) [system] integer(:)
   Call: (204) [system] _1362958=(:)
   Exit: (204) [system] (:)=(:)
^  Exit: (203) [user] classify_and_convert_charseq([:], :)
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (201) [user] read_list(')', (0x55772f068e50), _1421766)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1423624)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _1433218)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1435922)
   Exit: (204) [system] peek_char((0x55772f068e50), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1452856)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x55772f068e50), _1458426)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1460284)
   Exit: (204) [system] peek_char((0x55772f068e50), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] get_char((0x55772f068e50), _1476294)
   Exit: (203) [system] get_char((0x55772f068e50), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x55772f068e50), $, _1458426)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1493936)
   Call: (205) [system] peek_char((0x55772f068e50), _1494870)
   Exit: (205) [system] peek_char((0x55772f068e50), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Fail: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_1499590, v('(', ')', end_of_file), p)
   Fail: (206) [system] arg(_1500522, v('(', ')', end_of_file), p)
^  Fail: (205) [user] is_delimiter(p)
   Call: (205) [system] ')'==p
   Fail: (205) [system] ')'==p
   Call: (205) [system] get_char((0x55772f068e50), p)
   Exit: (205) [system] get_char((0x55772f068e50), p)
   Call: (205) [system] p=(\)
   Fail: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1507872)
   Call: (206) [system] peek_char((0x55772f068e50), _1508806)
   Exit: (206) [system] peek_char((0x55772f068e50), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_1513526, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_1514458, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x55772f068e50), r)
   Exit: (206) [system] get_char((0x55772f068e50), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1521808)
   Call: (207) [system] peek_char((0x55772f068e50), _1522742)
   Exit: (207) [system] peek_char((0x55772f068e50), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1527462, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1528394, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x55772f068e50), o)
   Exit: (207) [system] get_char((0x55772f068e50), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1535744)
   Call: (208) [system] peek_char((0x55772f068e50), _1536678)
   Exit: (208) [system] peek_char((0x55772f068e50), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Fail: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_1541398, v('(', ')', end_of_file), o)
   Fail: (209) [system] arg(_1542330, v('(', ')', end_of_file), o)
^  Fail: (208) [user] is_delimiter(o)
   Call: (208) [system] ')'==o
   Fail: (208) [system] ')'==o
   Call: (208) [system] get_char((0x55772f068e50), o)
   Exit: (208) [system] get_char((0x55772f068e50), o)
   Call: (208) [system] o=(\)
   Fail: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1549680)
   Call: (209) [system] peek_char((0x55772f068e50), _1550614)
   Exit: (209) [system] peek_char((0x55772f068e50), f)
^  Call: (209) [user] is_delimiter(f)
   Call: (210) [system] char_type(f, space)
   Fail: (210) [system] char_type(f, space)
   Call: (210) [system] arg(_1555334, v('(', ')', end_of_file), f)
   Fail: (210) [system] arg(_1556266, v('(', ')', end_of_file), f)
^  Fail: (209) [user] is_delimiter(f)
   Call: (209) [system] ')'==f
   Fail: (209) [system] ')'==f
   Call: (209) [system] get_char((0x55772f068e50), f)
   Exit: (209) [system] get_char((0x55772f068e50), f)
   Call: (209) [system] f=(\)
   Fail: (209) [system] f=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1563616)
   Call: (210) [system] peek_char((0x55772f068e50), _1564550)
   Exit: (210) [system] peek_char((0x55772f068e50), '3')
^  Call: (210) [user] is_delimiter('3')
   Call: (211) [system] char_type('3', space)
   Fail: (211) [system] char_type('3', space)
   Call: (211) [system] arg(_1569270, v('(', ')', end_of_file), '3')
   Fail: (211) [system] arg(_1570202, v('(', ')', end_of_file), '3')
^  Fail: (210) [user] is_delimiter('3')
   Call: (210) [system] ')'=='3'
   Fail: (210) [system] ')'=='3'
   Call: (210) [system] get_char((0x55772f068e50), '3')
   Exit: (210) [system] get_char((0x55772f068e50), '3')
   Call: (210) [system] '3'=(\)
   Fail: (210) [system] '3'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1577552)
   Call: (211) [system] peek_char((0x55772f068e50), _1578486)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1577552=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (210) [system] _1563616=['3']
   Exit: (210) [system] ['3']=['3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), ['3'])
   Call: (209) [system] _1549680=[f, '3']
   Exit: (209) [system] [f, '3']=[f, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '3'])
   Call: (208) [system] _1535744=[o, f, '3']
   Exit: (208) [system] [o, f, '3']=[o, f, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '3'])
   Call: (207) [system] _1521808=[o, o, f, '3']
   Exit: (207) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '3'])
   Call: (206) [system] _1507872=[r, o, o, f, '3']
   Exit: (206) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '3'])
   Call: (205) [system] _1493936=[p, r, o, o, f, '3']
   Exit: (205) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '3'])
^  Call: (204) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _1458426)
^  Call: (205) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _1604534)
   Call: (206) [system] atom_chars(_1605466, ['_', p, r, o, o, f, '3'])
   Exit: (206) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (205) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _proof3)
   Call: (205) [system] integer(_proof3)
   Fail: (205) [system] integer(_proof3)
   Call: (205) [system] _1458426=_proof3
   Exit: (205) [system] _proof3=_proof3
^  Exit: (204) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _proof3)
^  Exit: (203) [user] read_symbolic(')', (0x55772f068e50), $, _proof3)
^  Exit: (202) [user] cont_sexpr(')', (0x55772f068e50), _proof3)
^  Call: (202) [user] read_list(')', (0x55772f068e50), _1614758)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1616616)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x55772f068e50), _1626210)
   Exit: (204) [system] get_char((0x55772f068e50), ' ')
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1628914)
   Exit: (205) [system] peek_char((0x55772f068e50), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1645848)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=')'
   Fail: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x55772f068e50), _1651418)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1653276)
   Exit: (205) [system] peek_char((0x55772f068e50), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] get_char((0x55772f068e50), _1669286)
   Exit: (204) [system] get_char((0x55772f068e50), $)
   Call: (204) [system] ($)='('
   Fail: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Fail: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Fail: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Fail: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Fail: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Fail: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Fail: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x55772f068e50), $, _1651418)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1686928)
   Call: (206) [system] peek_char((0x55772f068e50), _1687862)
   Exit: (206) [system] peek_char((0x55772f068e50), p)
^  Call: (206) [user] is_delimiter(p)
   Call: (207) [system] char_type(p, space)
   Fail: (207) [system] char_type(p, space)
   Call: (207) [system] arg(_1692582, v('(', ')', end_of_file), p)
   Fail: (207) [system] arg(_1693514, v('(', ')', end_of_file), p)
^  Fail: (206) [user] is_delimiter(p)
   Call: (206) [system] ')'==p
   Fail: (206) [system] ')'==p
   Call: (206) [system] get_char((0x55772f068e50), p)
   Exit: (206) [system] get_char((0x55772f068e50), p)
   Call: (206) [system] p=(\)
   Fail: (206) [system] p=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1700864)
   Call: (207) [system] peek_char((0x55772f068e50), _1701798)
   Exit: (207) [system] peek_char((0x55772f068e50), r)
^  Call: (207) [user] is_delimiter(r)
   Call: (208) [system] char_type(r, space)
   Fail: (208) [system] char_type(r, space)
   Call: (208) [system] arg(_1706518, v('(', ')', end_of_file), r)
   Fail: (208) [system] arg(_1707450, v('(', ')', end_of_file), r)
^  Fail: (207) [user] is_delimiter(r)
   Call: (207) [system] ')'==r
   Fail: (207) [system] ')'==r
   Call: (207) [system] get_char((0x55772f068e50), r)
   Exit: (207) [system] get_char((0x55772f068e50), r)
   Call: (207) [system] r=(\)
   Fail: (207) [system] r=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1714800)
   Call: (208) [system] peek_char((0x55772f068e50), _1715734)
   Exit: (208) [system] peek_char((0x55772f068e50), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_1720454, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_1721386, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x55772f068e50), e)
   Exit: (208) [system] get_char((0x55772f068e50), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1728736)
   Call: (209) [system] peek_char((0x55772f068e50), _1729670)
   Exit: (209) [system] peek_char((0x55772f068e50), m)
^  Call: (209) [user] is_delimiter(m)
   Call: (210) [system] char_type(m, space)
   Fail: (210) [system] char_type(m, space)
   Call: (210) [system] arg(_1734390, v('(', ')', end_of_file), m)
   Fail: (210) [system] arg(_1735322, v('(', ')', end_of_file), m)
^  Fail: (209) [user] is_delimiter(m)
   Call: (209) [system] ')'==m
   Fail: (209) [system] ')'==m
   Call: (209) [system] get_char((0x55772f068e50), m)
   Exit: (209) [system] get_char((0x55772f068e50), m)
   Call: (209) [system] m=(\)
   Fail: (209) [system] m=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1742672)
   Call: (210) [system] peek_char((0x55772f068e50), _1743606)
   Exit: (210) [system] peek_char((0x55772f068e50), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_1748326, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_1749258, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x55772f068e50), i)
   Exit: (210) [system] get_char((0x55772f068e50), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1756608)
   Call: (211) [system] peek_char((0x55772f068e50), _1757542)
   Exit: (211) [system] peek_char((0x55772f068e50), s)
^  Call: (211) [user] is_delimiter(s)
   Call: (212) [system] char_type(s, space)
   Fail: (212) [system] char_type(s, space)
   Call: (212) [system] arg(_1762262, v('(', ')', end_of_file), s)
   Fail: (212) [system] arg(_1763194, v('(', ')', end_of_file), s)
^  Fail: (211) [user] is_delimiter(s)
   Call: (211) [system] ')'==s
   Fail: (211) [system] ')'==s
   Call: (211) [system] get_char((0x55772f068e50), s)
   Exit: (211) [system] get_char((0x55772f068e50), s)
   Call: (211) [system] s=(\)
   Fail: (211) [system] s=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1770544)
   Call: (212) [system] peek_char((0x55772f068e50), _1771478)
   Exit: (212) [system] peek_char((0x55772f068e50), e)
^  Call: (212) [user] is_delimiter(e)
   Call: (213) [system] char_type(e, space)
   Fail: (213) [system] char_type(e, space)
   Call: (213) [system] arg(_1776198, v('(', ')', end_of_file), e)
   Fail: (213) [system] arg(_1777130, v('(', ')', end_of_file), e)
^  Fail: (212) [user] is_delimiter(e)
   Call: (212) [system] ')'==e
   Fail: (212) [system] ')'==e
   Call: (212) [system] get_char((0x55772f068e50), e)
   Exit: (212) [system] get_char((0x55772f068e50), e)
   Call: (212) [system] e=(\)
   Fail: (212) [system] e=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1784480)
   Call: (213) [system] peek_char((0x55772f068e50), _1785414)
   Exit: (213) [system] peek_char((0x55772f068e50), '3')
^  Call: (213) [user] is_delimiter('3')
   Call: (214) [system] char_type('3', space)
   Fail: (214) [system] char_type('3', space)
   Call: (214) [system] arg(_1790134, v('(', ')', end_of_file), '3')
   Fail: (214) [system] arg(_1791066, v('(', ')', end_of_file), '3')
^  Fail: (213) [user] is_delimiter('3')
   Call: (213) [system] ')'=='3'
   Fail: (213) [system] ')'=='3'
   Call: (213) [system] get_char((0x55772f068e50), '3')
   Exit: (213) [system] get_char((0x55772f068e50), '3')
   Call: (213) [system] '3'=(\)
   Fail: (213) [system] '3'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1798416)
   Call: (214) [system] peek_char((0x55772f068e50), _1799350)
   Exit: (214) [system] peek_char((0x55772f068e50), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_1804070, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _1798416=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (213) [system] _1784480=['3']
   Exit: (213) [system] ['3']=['3']
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), ['3'])
   Call: (212) [system] _1770544=[e, '3']
   Exit: (212) [system] [e, '3']=[e, '3']
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '3'])
   Call: (211) [system] _1756608=[s, e, '3']
   Exit: (211) [system] [s, e, '3']=[s, e, '3']
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '3'])
   Call: (210) [system] _1742672=[i, s, e, '3']
   Exit: (210) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '3'])
   Call: (209) [system] _1728736=[m, i, s, e, '3']
   Exit: (209) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '3'])
   Call: (208) [system] _1714800=[e, m, i, s, e, '3']
   Exit: (208) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '3'])
   Call: (207) [system] _1700864=[r, e, m, i, s, e, '3']
   Exit: (207) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '3'])
   Call: (206) [system] _1686928=[p, r, e, m, i, s, e, '3']
   Exit: (206) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '3'])
^  Call: (205) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _1651418)
^  Call: (206) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _1832858)
   Call: (207) [system] atom_chars(_1833790, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (207) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (206) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _premise3)
   Call: (206) [system] integer(_premise3)
   Fail: (206) [system] integer(_premise3)
   Call: (206) [system] _1651418=_premise3
   Exit: (206) [system] _premise3=_premise3
^  Exit: (205) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (204) [user] read_symbolic(')', (0x55772f068e50), $, _premise3)
^  Exit: (203) [user] cont_sexpr(')', (0x55772f068e50), _premise3)
^  Call: (203) [user] read_list(')', (0x55772f068e50), _1843082)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1844940)
   Exit: (205) [system] peek_char((0x55772f068e50), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1860950)
   Exit: (204) [system] peek_char((0x55772f068e50), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x55772f068e50), _1864740)
   Exit: (204) [system] get_char((0x55772f068e50), ')')
   Call: (204) [system] _1843082=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x55772f068e50), [])
   Call: (203) [system] _1614758=[_premise3]
   Exit: (203) [system] [_premise3]=[_premise3]
^  Exit: (202) [user] read_list(')', (0x55772f068e50), [_premise3])
   Call: (202) [system] _1421766=[_proof3, _premise3]
   Exit: (202) [system] [_proof3, _premise3]=[_proof3, _premise3]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [_proof3, _premise3])
   Call: (201) [system] _1317940=[:, _proof3, _premise3]
   Exit: (201) [system] [:, _proof3, _premise3]=[:, _proof3, _premise3]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [:, _proof3, _premise3])
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), [:, _proof3, _premise3])
^  Call: (199) [user] read_list(')', (0x55772f068e50), _1878622)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1880480)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _1890074)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1892778)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1909712)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _1915282)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1917140)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _1933150)
   Exit: (201) [system] get_char((0x55772f068e50), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), $, _1915282)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1950792)
   Call: (203) [system] peek_char((0x55772f068e50), _1951726)
   Exit: (203) [system] peek_char((0x55772f068e50), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Fail: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_1956446, v('(', ')', end_of_file), k)
   Fail: (204) [system] arg(_1957378, v('(', ')', end_of_file), k)
^  Fail: (203) [user] is_delimiter(k)
   Call: (203) [system] ')'==k
   Fail: (203) [system] ')'==k
   Call: (203) [system] get_char((0x55772f068e50), k)
   Exit: (203) [system] get_char((0x55772f068e50), k)
   Call: (203) [system] k=(\)
   Fail: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1964728)
   Call: (204) [system] peek_char((0x55772f068e50), _1965662)
   Exit: (204) [system] peek_char((0x55772f068e50), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Fail: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_1970382, v('(', ')', end_of_file), b)
   Fail: (205) [system] arg(_1971314, v('(', ')', end_of_file), b)
^  Fail: (204) [user] is_delimiter(b)
   Call: (204) [system] ')'==b
   Fail: (204) [system] ')'==b
   Call: (204) [system] get_char((0x55772f068e50), b)
   Exit: (204) [system] get_char((0x55772f068e50), b)
   Call: (204) [system] b=(\)
   Fail: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1978664)
   Call: (205) [system] peek_char((0x55772f068e50), _1979598)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1978664=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (204) [system] _1964728=[b]
   Exit: (204) [system] [b]=[b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (203) [system] _1950792=[k, b]
   Exit: (203) [system] [k, b]=[k, b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [k, b])
^  Call: (202) [user] classify_and_convert_charseq([$, k, b], _1915282)
^  Call: (203) [user] classify_and_convert_charseq_([$, k, b], _1994470)
   Call: (204) [system] atom_chars(_1995402, ['_', k, b])
   Exit: (204) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (203) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (203) [system] integer(_kb)
   Fail: (203) [system] integer(_kb)
   Call: (203) [system] _1915282=_kb
   Exit: (203) [system] _kb=_kb
^  Exit: (202) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), $, _kb)
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), _kb)
^  Call: (200) [user] read_list(')', (0x55772f068e50), _2004694)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _2006552)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _2016146)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _2018850)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _2035784)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _2041354)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _2043212)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _2059222)
   Exit: (202) [system] get_char((0x55772f068e50), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), $, _2041354)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _2076864)
   Call: (204) [system] peek_char((0x55772f068e50), _2077798)
   Exit: (204) [system] peek_char((0x55772f068e50), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_2082518, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_2083450, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x55772f068e50), r)
   Exit: (204) [system] get_char((0x55772f068e50), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _2090800)
   Call: (205) [system] peek_char((0x55772f068e50), _2091734)
   Exit: (205) [system] peek_char((0x55772f068e50), b)
^  Call: (205) [user] is_delimiter(b)
   Call: (206) [system] char_type(b, space)
   Fail: (206) [system] char_type(b, space)
   Call: (206) [system] arg(_4062, v('(', ')', end_of_file), b)
   Fail: (206) [system] arg(_4658, v('(', ')', end_of_file), b)
^  Fail: (205) [user] is_delimiter(b)
   Call: (205) [system] ')'==b
   Fail: (205) [system] ')'==b
   Call: (205) [system] get_char((0x55772f068e50), b)
   Exit: (205) [system] get_char((0x55772f068e50), b)
   Call: (205) [system] b=(\)
   Fail: (205) [system] b=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _12008)
   Call: (206) [system] peek_char((0x55772f068e50), _12942)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _12008=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (205) [system] _3992=[b]
   Exit: (205) [system] [b]=[b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (204) [system] _3988=[r, b]
   Exit: (204) [system] [r, b]=[r, b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [r, b])
^  Call: (203) [user] classify_and_convert_charseq([$, r, b], _3984)
^  Call: (204) [user] classify_and_convert_charseq_([$, r, b], _27814)
   Call: (205) [system] atom_chars(_28746, ['_', r, b])
   Exit: (205) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (204) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (204) [system] integer(_rb)
   Fail: (204) [system] integer(_rb)
   Call: (204) [system] _3984=_rb
   Exit: (204) [system] _rb=_rb
^  Exit: (203) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), $, _rb)
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), _rb)
^  Call: (201) [user] read_list(')', (0x55772f068e50), _38038)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _39896)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _49490)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _52194)
   Exit: (204) [system] peek_char((0x55772f068e50), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _69128)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x55772f068e50), _74698)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _76556)
   Exit: (204) [system] peek_char((0x55772f068e50), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] get_char((0x55772f068e50), _92566)
   Exit: (203) [system] get_char((0x55772f068e50), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x55772f068e50), $, _74698)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _110208)
   Call: (205) [system] peek_char((0x55772f068e50), _111142)
   Exit: (205) [system] peek_char((0x55772f068e50), k)
^  Call: (205) [user] is_delimiter(k)
   Call: (206) [system] char_type(k, space)
   Fail: (206) [system] char_type(k, space)
   Call: (206) [system] arg(_115862, v('(', ')', end_of_file), k)
   Fail: (206) [system] arg(_116794, v('(', ')', end_of_file), k)
^  Fail: (205) [user] is_delimiter(k)
   Call: (205) [system] ')'==k
   Fail: (205) [system] ')'==k
   Call: (205) [system] get_char((0x55772f068e50), k)
   Exit: (205) [system] get_char((0x55772f068e50), k)
   Call: (205) [system] k=(\)
   Fail: (205) [system] k=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _124144)
   Call: (206) [system] peek_char((0x55772f068e50), _125078)
   Exit: (206) [system] peek_char((0x55772f068e50), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_129798, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _124144=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (205) [system] _110208=[k]
   Exit: (205) [system] [k]=[k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
^  Call: (204) [user] classify_and_convert_charseq([$, k], _74698)
^  Call: (205) [user] classify_and_convert_charseq_([$, k], _139028)
   Call: (206) [system] atom_chars(_139960, ['_', k])
   Exit: (206) [system] atom_chars('_k', ['_', k])
^  Exit: (205) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (205) [system] integer(_k)
   Fail: (205) [system] integer(_k)
   Call: (205) [system] _74698=_k
   Exit: (205) [system] _k=_k
^  Exit: (204) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (203) [user] read_symbolic(')', (0x55772f068e50), $, _k)
^  Exit: (202) [user] cont_sexpr(')', (0x55772f068e50), _k)
^  Call: (202) [user] read_list(')', (0x55772f068e50), _149252)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _151110)
   Exit: (204) [system] peek_char((0x55772f068e50), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _167120)
   Exit: (203) [system] peek_char((0x55772f068e50), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x55772f068e50), _170910)
   Exit: (203) [system] get_char((0x55772f068e50), ')')
   Call: (203) [system] _149252=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x55772f068e50), [])
   Call: (202) [system] _38038=[_k]
   Exit: (202) [system] [_k]=[_k]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [_k])
   Call: (201) [system] _3980=[_rb, _k]
   Exit: (201) [system] [_rb, _k]=[_rb, _k]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [_rb, _k])
   Call: (200) [system] _3970=[_kb, _rb, _k]
   Exit: (200) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [_kb, _rb, _k])
   Call: (199) [system] _3938=[[:, _proof3, _premise3], _kb, _rb, _k]
   Exit: (199) [system] [[:, _proof3, _premise3], _kb, _rb, _k]=[[:, _proof3, _premise3], _kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [[:, _proof3, _premise3], _kb, _rb, _k])
   Call: (198) [system] _3930=[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]
   Exit: (198) [system] [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]=[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), [synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Call: (196) [user] read_list(')', (0x55772f068e50), _190380)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _192238)
   Exit: (198) [system] peek_char((0x55772f068e50), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _208248)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x55772f068e50), _212038)
   Exit: (197) [system] get_char((0x55772f068e50), ')')
   Call: (197) [system] _190380=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [])
   Call: (196) [system] _3926=[[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
   Exit: (196) [system] [[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]=[[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Call: (195) [system] _3892=[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
   Exit: (195) [system] [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]=[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Call: (193) [user] read_list(')', (0x55772f068e50), _223126)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _224984)
   Exit: (195) [system] peek_char((0x55772f068e50), '\n')
   Call: (195) [system] '\n'=(;)
   Fail: (195) [system] '\n'=(;)
   Call: (195) [system] '\n'=(/)
   Fail: (195) [system] '\n'=(/)
^  Call: (195) [user] is_like_space('\n')
   Call: (196) [system] char_type('\n', 'white')
   Fail: (196) [system] char_type('\n', 'white')
   Call: (196) [system] char_type('\n', end_of_line)
   Exit: (196) [system] char_type('\n', end_of_line)
^  Exit: (195) [user] is_like_space('\n')
   Call: (195) [system] get_char((0x55772f068e50), _236434)
   Exit: (195) [system] get_char((0x55772f068e50), '\n')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _239138)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _248732)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _251436)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _261030)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _263734)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _273328)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _276032)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _285626)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _288330)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _297924)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _300628)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _310222)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _312926)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _322520)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _325224)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _334818)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _337522)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x55772f068e50), _347116)
   Exit: (204) [system] get_char((0x55772f068e50), ' ')
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _349820)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x55772f068e50), _359414)
   Exit: (205) [system] get_char((0x55772f068e50), ' ')
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _362118)
   Exit: (206) [system] peek_char((0x55772f068e50), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _388292)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _393862)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _395720)
   Exit: (196) [system] peek_char((0x55772f068e50), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _411730)
   Exit: (195) [system] get_char((0x55772f068e50), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x55772f068e50), _393862)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _417300)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _433310)
   Exit: (196) [system] peek_char((0x55772f068e50), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _438880)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _440738)
   Exit: (198) [system] peek_char((0x55772f068e50), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _456748)
   Exit: (197) [system] get_char((0x55772f068e50), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x55772f068e50), _438880)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _462318)
   Exit: (199) [system] peek_char((0x55772f068e50), :)
   Call: (199) [system] (:)=(;)
   Fail: (199) [system] (:)=(;)
   Call: (199) [system] (:)=(/)
   Fail: (199) [system] (:)=(/)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Fail: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Fail: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
   Fail: (200) [system] char_type(:, cntrl)
^  Fail: (199) [user] is_like_space(:)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _478328)
   Exit: (198) [system] peek_char((0x55772f068e50), :)
   Call: (198) [system] (:)=')'
   Fail: (198) [system] (:)=')'
   Call: (198) [system] (:)=end_of_file
   Fail: (198) [system] (:)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _483898)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _485756)
   Exit: (200) [system] peek_char((0x55772f068e50), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
   Call: (200) [system] (:)=(/)
   Fail: (200) [system] (:)=(/)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _501766)
   Exit: (199) [system] get_char((0x55772f068e50), :)
   Call: (199) [system] (:)='('
   Fail: (199) [system] (:)='('
   Call: (199) [system] (:)='['
   Fail: (199) [system] (:)='['
   Call: (199) [system] (:)='{'
   Fail: (199) [system] (:)='{'
   Call: (199) [system] (:)='"'
   Fail: (199) [system] (:)='"'
   Call: (199) [system] (:)=!
   Fail: (199) [system] (:)=!
   Call: (199) [system] (:)='\''
   Fail: (199) [system] (:)='\''
   Call: (199) [system] (:)='`'
   Fail: (199) [system] (:)='`'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x55772f068e50), :, _483898)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _519408)
   Call: (201) [system] peek_char((0x55772f068e50), _520342)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _519408=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (200) [user] classify_and_convert_charseq([:], _483898)
^  Call: (201) [user] classify_and_convert_charseq_([:], _529626)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_530578, _530580), once(user:catch(read_from_chars([:], _529626), _530560, fail)), '$restore_trace'(_530578, _530580))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_530578, _530580))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _530560, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(:)
   Exit: (202) [system] atomic(:)
^  Exit: (201) [user] classify_and_convert_charseq_([:], :)
   Call: (201) [system] integer(:)
   Fail: (201) [system] integer(:)
   Call: (201) [system] _483898=(:)
   Exit: (201) [system] (:)=(:)
^  Exit: (200) [user] classify_and_convert_charseq([:], :)
^  Exit: (199) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (198) [user] read_list(')', (0x55772f068e50), _542706)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _544564)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _554158)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _556862)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _573796)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _579366)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _581224)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _597234)
   Exit: (200) [system] get_char((0x55772f068e50), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), $, _579366)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _614876)
   Call: (202) [system] peek_char((0x55772f068e50), _615810)
   Exit: (202) [system] peek_char((0x55772f068e50), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_620530, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_621462, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x55772f068e50), p)
   Exit: (202) [system] get_char((0x55772f068e50), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _628812)
   Call: (203) [system] peek_char((0x55772f068e50), _629746)
   Exit: (203) [system] peek_char((0x55772f068e50), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_634466, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_635398, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x55772f068e50), r)
   Exit: (203) [system] get_char((0x55772f068e50), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _642748)
   Call: (204) [system] peek_char((0x55772f068e50), _643682)
   Exit: (204) [system] peek_char((0x55772f068e50), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_648402, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_649334, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x55772f068e50), o)
   Exit: (204) [system] get_char((0x55772f068e50), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _656684)
   Call: (205) [system] peek_char((0x55772f068e50), _657618)
   Exit: (205) [system] peek_char((0x55772f068e50), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_662338, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_663270, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x55772f068e50), o)
   Exit: (205) [system] get_char((0x55772f068e50), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _670620)
   Call: (206) [system] peek_char((0x55772f068e50), _671554)
   Exit: (206) [system] peek_char((0x55772f068e50), f)
^  Call: (206) [user] is_delimiter(f)
   Call: (207) [system] char_type(f, space)
   Fail: (207) [system] char_type(f, space)
   Call: (207) [system] arg(_676274, v('(', ')', end_of_file), f)
   Fail: (207) [system] arg(_677206, v('(', ')', end_of_file), f)
^  Fail: (206) [user] is_delimiter(f)
   Call: (206) [system] ')'==f
   Fail: (206) [system] ')'==f
   Call: (206) [system] get_char((0x55772f068e50), f)
   Exit: (206) [system] get_char((0x55772f068e50), f)
   Call: (206) [system] f=(\)
   Fail: (206) [system] f=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _684556)
   Call: (207) [system] peek_char((0x55772f068e50), _685490)
   Exit: (207) [system] peek_char((0x55772f068e50), '4')
^  Call: (207) [user] is_delimiter('4')
   Call: (208) [system] char_type('4', space)
   Fail: (208) [system] char_type('4', space)
   Call: (208) [system] arg(_690210, v('(', ')', end_of_file), '4')
   Fail: (208) [system] arg(_691142, v('(', ')', end_of_file), '4')
^  Fail: (207) [user] is_delimiter('4')
   Call: (207) [system] ')'=='4'
   Fail: (207) [system] ')'=='4'
   Call: (207) [system] get_char((0x55772f068e50), '4')
   Exit: (207) [system] get_char((0x55772f068e50), '4')
   Call: (207) [system] '4'=(\)
   Fail: (207) [system] '4'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _698492)
   Call: (208) [system] peek_char((0x55772f068e50), _699426)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _698492=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (207) [system] _684556=['4']
   Exit: (207) [system] ['4']=['4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), ['4'])
   Call: (206) [system] _670620=[f, '4']
   Exit: (206) [system] [f, '4']=[f, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '4'])
   Call: (205) [system] _656684=[o, f, '4']
   Exit: (205) [system] [o, f, '4']=[o, f, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '4'])
   Call: (204) [system] _642748=[o, o, f, '4']
   Exit: (204) [system] [o, o, f, '4']=[o, o, f, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '4'])
   Call: (203) [system] _628812=[r, o, o, f, '4']
   Exit: (203) [system] [r, o, o, f, '4']=[r, o, o, f, '4']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '4'])
   Call: (202) [system] _614876=[p, r, o, o, f, '4']
   Exit: (202) [system] [p, r, o, o, f, '4']=[p, r, o, o, f, '4']
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '4'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, o, o, f, '4'], _579366)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '4'], _725474)
   Call: (203) [system] atom_chars(_726406, ['_', p, r, o, o, f, '4'])
   Exit: (203) [system] atom_chars('_proof4', ['_', p, r, o, o, f, '4'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '4'], _proof4)
   Call: (202) [system] integer(_proof4)
   Fail: (202) [system] integer(_proof4)
   Call: (202) [system] _579366=_proof4
   Exit: (202) [system] _proof4=_proof4
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, o, o, f, '4'], _proof4)
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), $, _proof4)
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), _proof4)
^  Call: (199) [user] read_list(')', (0x55772f068e50), _735698)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _737556)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _747150)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _749854)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _766788)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _772358)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _774216)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _790226)
   Exit: (201) [system] get_char((0x55772f068e50), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), $, _772358)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _807868)
   Call: (203) [system] peek_char((0x55772f068e50), _808802)
   Exit: (203) [system] peek_char((0x55772f068e50), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_813522, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_814454, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x55772f068e50), p)
   Exit: (203) [system] get_char((0x55772f068e50), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _821804)
   Call: (204) [system] peek_char((0x55772f068e50), _822738)
   Exit: (204) [system] peek_char((0x55772f068e50), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_827458, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_828390, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x55772f068e50), r)
   Exit: (204) [system] get_char((0x55772f068e50), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _835740)
   Call: (205) [system] peek_char((0x55772f068e50), _836674)
   Exit: (205) [system] peek_char((0x55772f068e50), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Fail: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_841394, v('(', ')', end_of_file), e)
   Fail: (206) [system] arg(_842326, v('(', ')', end_of_file), e)
^  Fail: (205) [user] is_delimiter(e)
   Call: (205) [system] ')'==e
   Fail: (205) [system] ')'==e
   Call: (205) [system] get_char((0x55772f068e50), e)
   Exit: (205) [system] get_char((0x55772f068e50), e)
   Call: (205) [system] e=(\)
   Fail: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _849676)
   Call: (206) [system] peek_char((0x55772f068e50), _850610)
   Exit: (206) [system] peek_char((0x55772f068e50), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Fail: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_855330, v('(', ')', end_of_file), m)
   Fail: (207) [system] arg(_856262, v('(', ')', end_of_file), m)
^  Fail: (206) [user] is_delimiter(m)
   Call: (206) [system] ')'==m
   Fail: (206) [system] ')'==m
   Call: (206) [system] get_char((0x55772f068e50), m)
   Exit: (206) [system] get_char((0x55772f068e50), m)
   Call: (206) [system] m=(\)
   Fail: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _863612)
   Call: (207) [system] peek_char((0x55772f068e50), _864546)
   Exit: (207) [system] peek_char((0x55772f068e50), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_869266, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_870198, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x55772f068e50), i)
   Exit: (207) [system] get_char((0x55772f068e50), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _877548)
   Call: (208) [system] peek_char((0x55772f068e50), _878482)
   Exit: (208) [system] peek_char((0x55772f068e50), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Fail: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_883202, v('(', ')', end_of_file), s)
   Fail: (209) [system] arg(_884134, v('(', ')', end_of_file), s)
^  Fail: (208) [user] is_delimiter(s)
   Call: (208) [system] ')'==s
   Fail: (208) [system] ')'==s
   Call: (208) [system] get_char((0x55772f068e50), s)
   Exit: (208) [system] get_char((0x55772f068e50), s)
   Call: (208) [system] s=(\)
   Fail: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _891484)
   Call: (209) [system] peek_char((0x55772f068e50), _892418)
   Exit: (209) [system] peek_char((0x55772f068e50), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_897138, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_898070, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x55772f068e50), e)
   Exit: (209) [system] get_char((0x55772f068e50), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _905420)
   Call: (210) [system] peek_char((0x55772f068e50), _906354)
   Exit: (210) [system] peek_char((0x55772f068e50), '4')
^  Call: (210) [user] is_delimiter('4')
   Call: (211) [system] char_type('4', space)
   Fail: (211) [system] char_type('4', space)
   Call: (211) [system] arg(_911074, v('(', ')', end_of_file), '4')
   Fail: (211) [system] arg(_912006, v('(', ')', end_of_file), '4')
^  Fail: (210) [user] is_delimiter('4')
   Call: (210) [system] ')'=='4'
   Fail: (210) [system] ')'=='4'
   Call: (210) [system] get_char((0x55772f068e50), '4')
   Exit: (210) [system] get_char((0x55772f068e50), '4')
   Call: (210) [system] '4'=(\)
   Fail: (210) [system] '4'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _919356)
   Call: (211) [system] peek_char((0x55772f068e50), _920290)
   Exit: (211) [system] peek_char((0x55772f068e50), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_925010, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _919356=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (210) [system] _905420=['4']
   Exit: (210) [system] ['4']=['4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), ['4'])
   Call: (209) [system] _891484=[e, '4']
   Exit: (209) [system] [e, '4']=[e, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '4'])
   Call: (208) [system] _877548=[s, e, '4']
   Exit: (208) [system] [s, e, '4']=[s, e, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '4'])
   Call: (207) [system] _863612=[i, s, e, '4']
   Exit: (207) [system] [i, s, e, '4']=[i, s, e, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '4'])
   Call: (206) [system] _849676=[m, i, s, e, '4']
   Exit: (206) [system] [m, i, s, e, '4']=[m, i, s, e, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '4'])
   Call: (205) [system] _835740=[e, m, i, s, e, '4']
   Exit: (205) [system] [e, m, i, s, e, '4']=[e, m, i, s, e, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '4'])
   Call: (204) [system] _821804=[r, e, m, i, s, e, '4']
   Exit: (204) [system] [r, e, m, i, s, e, '4']=[r, e, m, i, s, e, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '4'])
   Call: (203) [system] _807868=[p, r, e, m, i, s, e, '4']
   Exit: (203) [system] [p, r, e, m, i, s, e, '4']=[p, r, e, m, i, s, e, '4']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '4'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '4'], _772358)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '4'], _953798)
   Call: (204) [system] atom_chars(_954730, ['_', p, r, e, m, i, s, e, '4'])
   Exit: (204) [system] atom_chars('_premise4', ['_', p, r, e, m, i, s, e, '4'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '4'], _premise4)
   Call: (203) [system] integer(_premise4)
   Fail: (203) [system] integer(_premise4)
   Call: (203) [system] _772358=_premise4
   Exit: (203) [system] _premise4=_premise4
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '4'], _premise4)
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), $, _premise4)
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), _premise4)
^  Call: (200) [user] read_list(')', (0x55772f068e50), _964022)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _965880)
   Exit: (202) [system] peek_char((0x55772f068e50), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _981890)
   Exit: (201) [system] peek_char((0x55772f068e50), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x55772f068e50), _985680)
   Exit: (201) [system] get_char((0x55772f068e50), ')')
   Call: (201) [system] _964022=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [])
   Call: (200) [system] _735698=[_premise4]
   Exit: (200) [system] [_premise4]=[_premise4]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [_premise4])
   Call: (199) [system] _542706=[_proof4, _premise4]
   Exit: (199) [system] [_proof4, _premise4]=[_proof4, _premise4]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [_proof4, _premise4])
   Call: (198) [system] _438880=[:, _proof4, _premise4]
   Exit: (198) [system] [:, _proof4, _premise4]=[:, _proof4, _premise4]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [:, _proof4, _premise4])
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), [:, _proof4, _premise4])
^  Call: (196) [user] read_list(')', (0x55772f068e50), _999562)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1001420)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _1011014)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1013718)
   Exit: (199) [system] peek_char((0x55772f068e50), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1030652)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _1036222)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1038080)
   Exit: (199) [system] peek_char((0x55772f068e50), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _1054090)
   Exit: (198) [system] get_char((0x55772f068e50), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x55772f068e50), _1036222)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1059660)
   Exit: (200) [system] peek_char((0x55772f068e50), s)
   Call: (200) [system] s=(;)
   Fail: (200) [system] s=(;)
   Call: (200) [system] s=(/)
   Fail: (200) [system] s=(/)
^  Call: (200) [user] is_like_space(s)
   Call: (201) [system] char_type(s, 'white')
   Fail: (201) [system] char_type(s, 'white')
   Call: (201) [system] char_type(s, end_of_line)
   Fail: (201) [system] char_type(s, end_of_line)
   Call: (201) [system] char_type(s, space)
   Fail: (201) [system] char_type(s, space)
   Call: (201) [system] char_type(s, cntrl)
   Fail: (201) [system] char_type(s, cntrl)
^  Fail: (200) [user] is_like_space(s)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1075670)
   Exit: (199) [system] peek_char((0x55772f068e50), s)
   Call: (199) [system] s=')'
   Fail: (199) [system] s=')'
   Call: (199) [system] s=end_of_file
   Fail: (199) [system] s=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _1081240)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1083098)
   Exit: (201) [system] peek_char((0x55772f068e50), s)
   Call: (201) [system] s=(;)
   Fail: (201) [system] s=(;)
   Call: (201) [system] s=(/)
   Fail: (201) [system] s=(/)
^  Call: (201) [user] is_like_space(s)
   Call: (202) [system] char_type(s, 'white')
   Fail: (202) [system] char_type(s, 'white')
   Call: (202) [system] char_type(s, end_of_line)
   Fail: (202) [system] char_type(s, end_of_line)
   Call: (202) [system] char_type(s, space)
   Fail: (202) [system] char_type(s, space)
   Call: (202) [system] char_type(s, cntrl)
   Fail: (202) [system] char_type(s, cntrl)
^  Fail: (201) [user] is_like_space(s)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _1099108)
   Exit: (200) [system] get_char((0x55772f068e50), s)
   Call: (200) [system] s='('
   Fail: (200) [system] s='('
   Call: (200) [system] s='['
   Fail: (200) [system] s='['
   Call: (200) [system] s='{'
   Fail: (200) [system] s='{'
   Call: (200) [system] s='"'
   Fail: (200) [system] s='"'
   Call: (200) [system] s=!
   Fail: (200) [system] s=!
   Call: (200) [system] s='\''
   Fail: (200) [system] s='\''
   Call: (200) [system] s='`'
   Fail: (200) [system] s='`'
   Call: (200) [system] s=end_of_file
   Fail: (200) [system] s=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), s, _1081240)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1116750)
   Call: (202) [system] peek_char((0x55772f068e50), _1117684)
   Exit: (202) [system] peek_char((0x55772f068e50), y)
^  Call: (202) [user] is_delimiter(y)
   Call: (203) [system] char_type(y, space)
   Fail: (203) [system] char_type(y, space)
   Call: (203) [system] arg(_1122404, v('(', ')', end_of_file), y)
   Fail: (203) [system] arg(_1123336, v('(', ')', end_of_file), y)
^  Fail: (202) [user] is_delimiter(y)
   Call: (202) [system] ')'==y
   Fail: (202) [system] ')'==y
   Call: (202) [system] get_char((0x55772f068e50), y)
   Exit: (202) [system] get_char((0x55772f068e50), y)
   Call: (202) [system] y=(\)
   Fail: (202) [system] y=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1130686)
   Call: (203) [system] peek_char((0x55772f068e50), _1131620)
   Exit: (203) [system] peek_char((0x55772f068e50), n)
^  Call: (203) [user] is_delimiter(n)
   Call: (204) [system] char_type(n, space)
   Fail: (204) [system] char_type(n, space)
   Call: (204) [system] arg(_1136340, v('(', ')', end_of_file), n)
   Fail: (204) [system] arg(_1137272, v('(', ')', end_of_file), n)
^  Fail: (203) [user] is_delimiter(n)
   Call: (203) [system] ')'==n
   Fail: (203) [system] ')'==n
   Call: (203) [system] get_char((0x55772f068e50), n)
   Exit: (203) [system] get_char((0x55772f068e50), n)
   Call: (203) [system] n=(\)
   Fail: (203) [system] n=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1144622)
   Call: (204) [system] peek_char((0x55772f068e50), _1145556)
   Exit: (204) [system] peek_char((0x55772f068e50), t)
^  Call: (204) [user] is_delimiter(t)
   Call: (205) [system] char_type(t, space)
   Fail: (205) [system] char_type(t, space)
   Call: (205) [system] arg(_1150276, v('(', ')', end_of_file), t)
   Fail: (205) [system] arg(_1151208, v('(', ')', end_of_file), t)
^  Fail: (204) [user] is_delimiter(t)
   Call: (204) [system] ')'==t
   Fail: (204) [system] ')'==t
   Call: (204) [system] get_char((0x55772f068e50), t)
   Exit: (204) [system] get_char((0x55772f068e50), t)
   Call: (204) [system] t=(\)
   Fail: (204) [system] t=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1158558)
   Call: (205) [system] peek_char((0x55772f068e50), _1159492)
   Exit: (205) [system] peek_char((0x55772f068e50), h)
^  Call: (205) [user] is_delimiter(h)
   Call: (206) [system] char_type(h, space)
   Fail: (206) [system] char_type(h, space)
   Call: (206) [system] arg(_1164212, v('(', ')', end_of_file), h)
   Fail: (206) [system] arg(_1165144, v('(', ')', end_of_file), h)
^  Fail: (205) [user] is_delimiter(h)
   Call: (205) [system] ')'==h
   Fail: (205) [system] ')'==h
   Call: (205) [system] get_char((0x55772f068e50), h)
   Exit: (205) [system] get_char((0x55772f068e50), h)
   Call: (205) [system] h=(\)
   Fail: (205) [system] h=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1172494)
   Call: (206) [system] peek_char((0x55772f068e50), _1173428)
   Exit: (206) [system] peek_char((0x55772f068e50), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_1178148, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_1179080, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x55772f068e50), e)
   Exit: (206) [system] get_char((0x55772f068e50), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1186430)
   Call: (207) [system] peek_char((0x55772f068e50), _1187364)
   Exit: (207) [system] peek_char((0x55772f068e50), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_1192084, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_1193016, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x55772f068e50), s)
   Exit: (207) [system] get_char((0x55772f068e50), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1200366)
   Call: (208) [system] peek_char((0x55772f068e50), _1201300)
   Exit: (208) [system] peek_char((0x55772f068e50), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1206020, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1206952, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x55772f068e50), i)
   Exit: (208) [system] get_char((0x55772f068e50), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1214302)
   Call: (209) [system] peek_char((0x55772f068e50), _1215236)
   Exit: (209) [system] peek_char((0x55772f068e50), z)
^  Call: (209) [user] is_delimiter(z)
   Call: (210) [system] char_type(z, space)
   Fail: (210) [system] char_type(z, space)
   Call: (210) [system] arg(_1219956, v('(', ')', end_of_file), z)
   Fail: (210) [system] arg(_1220888, v('(', ')', end_of_file), z)
^  Fail: (209) [user] is_delimiter(z)
   Call: (209) [system] ')'==z
   Fail: (209) [system] ')'==z
   Call: (209) [system] get_char((0x55772f068e50), z)
   Exit: (209) [system] get_char((0x55772f068e50), z)
   Call: (209) [system] z=(\)
   Fail: (209) [system] z=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1228238)
   Call: (210) [system] peek_char((0x55772f068e50), _1229172)
   Exit: (210) [system] peek_char((0x55772f068e50), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_1233892, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_1234824, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x55772f068e50), e)
   Exit: (210) [system] get_char((0x55772f068e50), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1242174)
   Call: (211) [system] peek_char((0x55772f068e50), _1243108)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1242174=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (210) [system] _1228238=[e]
   Exit: (210) [system] [e]=[e]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (209) [system] _1214302=[z, e]
   Exit: (209) [system] [z, e]=[z, e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [z, e])
   Call: (208) [system] _1200366=[i, z, e]
   Exit: (208) [system] [i, z, e]=[i, z, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [i, z, e])
   Call: (207) [system] _1186430=[s, i, z, e]
   Exit: (207) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [s, i, z, e])
   Call: (206) [system] _1172494=[e, s, i, z, e]
   Exit: (206) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [e, s, i, z, e])
   Call: (205) [system] _1158558=[h, e, s, i, z, e]
   Exit: (205) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [h, e, s, i, z, e])
   Call: (204) [system] _1144622=[t, h, e, s, i, z, e]
   Exit: (204) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [t, h, e, s, i, z, e])
   Call: (203) [system] _1130686=[n, t, h, e, s, i, z, e]
   Exit: (203) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, h, e, s, i, z, e])
   Call: (202) [system] _1116750=[y, n, t, h, e, s, i, z, e]
   Exit: (202) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [y, n, t, h, e, s, i, z, e])
^  Call: (201) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _1081240)
^  Call: (202) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _1277538)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1278490, _1278492), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1277538), _1278472, fail)), '$restore_trace'(_1278490, _1278492))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1278490, _1278492))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1278472, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(synthesize)
   Exit: (203) [system] atomic(synthesize)
^  Exit: (202) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (202) [system] integer(synthesize)
   Fail: (202) [system] integer(synthesize)
   Call: (202) [system] _1081240=synthesize
   Exit: (202) [system] synthesize=synthesize
^  Exit: (201) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), s, synthesize)
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), synthesize)
^  Call: (199) [user] read_list(')', (0x55772f068e50), _1290618)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1292476)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _1302070)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1304774)
   Exit: (202) [system] peek_char((0x55772f068e50), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1321708)
   Exit: (200) [system] peek_char((0x55772f068e50), '(')
   Call: (200) [system] '('=')'
   Fail: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
   Fail: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _1327278)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1329136)
   Exit: (202) [system] peek_char((0x55772f068e50), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _1345146)
   Exit: (201) [system] get_char((0x55772f068e50), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x55772f068e50), _1327278)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1350716)
   Exit: (203) [system] peek_char((0x55772f068e50), :)
   Call: (203) [system] (:)=(;)
   Fail: (203) [system] (:)=(;)
   Call: (203) [system] (:)=(/)
   Fail: (203) [system] (:)=(/)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Fail: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Fail: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Fail: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
   Fail: (204) [system] char_type(:, cntrl)
^  Fail: (203) [user] is_like_space(:)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1366726)
   Exit: (202) [system] peek_char((0x55772f068e50), :)
   Call: (202) [system] (:)=')'
   Fail: (202) [system] (:)=')'
   Call: (202) [system] (:)=end_of_file
   Fail: (202) [system] (:)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x55772f068e50), _1372296)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1374154)
   Exit: (204) [system] peek_char((0x55772f068e50), :)
   Call: (204) [system] (:)=(;)
   Fail: (204) [system] (:)=(;)
   Call: (204) [system] (:)=(/)
   Fail: (204) [system] (:)=(/)
^  Call: (204) [user] is_like_space(:)
   Call: (205) [system] char_type(:, 'white')
   Fail: (205) [system] char_type(:, 'white')
   Call: (205) [system] char_type(:, end_of_line)
   Fail: (205) [system] char_type(:, end_of_line)
   Call: (205) [system] char_type(:, space)
   Fail: (205) [system] char_type(:, space)
   Call: (205) [system] char_type(:, cntrl)
   Fail: (205) [system] char_type(:, cntrl)
^  Fail: (204) [user] is_like_space(:)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] get_char((0x55772f068e50), _1390164)
   Exit: (203) [system] get_char((0x55772f068e50), :)
   Call: (203) [system] (:)='('
   Fail: (203) [system] (:)='('
   Call: (203) [system] (:)='['
   Fail: (203) [system] (:)='['
   Call: (203) [system] (:)='{'
   Fail: (203) [system] (:)='{'
   Call: (203) [system] (:)='"'
   Fail: (203) [system] (:)='"'
   Call: (203) [system] (:)=!
   Fail: (203) [system] (:)=!
   Call: (203) [system] (:)='\''
   Fail: (203) [system] (:)='\''
   Call: (203) [system] (:)='`'
   Fail: (203) [system] (:)='`'
   Call: (203) [system] (:)=end_of_file
   Fail: (203) [system] (:)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x55772f068e50), :, _1372296)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1407806)
   Call: (205) [system] peek_char((0x55772f068e50), _1408740)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1407806=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (204) [user] classify_and_convert_charseq([:], _1372296)
^  Call: (205) [user] classify_and_convert_charseq_([:], _1418024)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1418976, _1418978), once(user:catch(read_from_chars([:], _1418024), _1418958, fail)), '$restore_trace'(_1418976, _1418978))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1418976, _1418978))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1418958, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(:)
   Exit: (206) [system] atomic(:)
^  Exit: (205) [user] classify_and_convert_charseq_([:], :)
   Call: (205) [system] integer(:)
   Fail: (205) [system] integer(:)
   Call: (205) [system] _1372296=(:)
   Exit: (205) [system] (:)=(:)
^  Exit: (204) [user] classify_and_convert_charseq([:], :)
^  Exit: (203) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (202) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (202) [user] read_list(')', (0x55772f068e50), _1431104)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1432962)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x55772f068e50), _1442556)
   Exit: (204) [system] get_char((0x55772f068e50), ' ')
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1445260)
   Exit: (205) [system] peek_char((0x55772f068e50), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1462194)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=')'
   Fail: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x55772f068e50), _1467764)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1469622)
   Exit: (205) [system] peek_char((0x55772f068e50), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] get_char((0x55772f068e50), _1485632)
   Exit: (204) [system] get_char((0x55772f068e50), $)
   Call: (204) [system] ($)='('
   Fail: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Fail: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Fail: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Fail: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Fail: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Fail: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Fail: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x55772f068e50), $, _1467764)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1503274)
   Call: (206) [system] peek_char((0x55772f068e50), _1504208)
   Exit: (206) [system] peek_char((0x55772f068e50), p)
^  Call: (206) [user] is_delimiter(p)
   Call: (207) [system] char_type(p, space)
   Fail: (207) [system] char_type(p, space)
   Call: (207) [system] arg(_1508928, v('(', ')', end_of_file), p)
   Fail: (207) [system] arg(_1509860, v('(', ')', end_of_file), p)
^  Fail: (206) [user] is_delimiter(p)
   Call: (206) [system] ')'==p
   Fail: (206) [system] ')'==p
   Call: (206) [system] get_char((0x55772f068e50), p)
   Exit: (206) [system] get_char((0x55772f068e50), p)
   Call: (206) [system] p=(\)
   Fail: (206) [system] p=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1517210)
   Call: (207) [system] peek_char((0x55772f068e50), _1518144)
   Exit: (207) [system] peek_char((0x55772f068e50), r)
^  Call: (207) [user] is_delimiter(r)
   Call: (208) [system] char_type(r, space)
   Fail: (208) [system] char_type(r, space)
   Call: (208) [system] arg(_1522864, v('(', ')', end_of_file), r)
   Fail: (208) [system] arg(_1523796, v('(', ')', end_of_file), r)
^  Fail: (207) [user] is_delimiter(r)
   Call: (207) [system] ')'==r
   Fail: (207) [system] ')'==r
   Call: (207) [system] get_char((0x55772f068e50), r)
   Exit: (207) [system] get_char((0x55772f068e50), r)
   Call: (207) [system] r=(\)
   Fail: (207) [system] r=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1531146)
   Call: (208) [system] peek_char((0x55772f068e50), _1532080)
   Exit: (208) [system] peek_char((0x55772f068e50), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Fail: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_1536800, v('(', ')', end_of_file), o)
   Fail: (209) [system] arg(_1537732, v('(', ')', end_of_file), o)
^  Fail: (208) [user] is_delimiter(o)
   Call: (208) [system] ')'==o
   Fail: (208) [system] ')'==o
   Call: (208) [system] get_char((0x55772f068e50), o)
   Exit: (208) [system] get_char((0x55772f068e50), o)
   Call: (208) [system] o=(\)
   Fail: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1545082)
   Call: (209) [system] peek_char((0x55772f068e50), _1546016)
   Exit: (209) [system] peek_char((0x55772f068e50), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_1550736, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_1551668, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x55772f068e50), o)
   Exit: (209) [system] get_char((0x55772f068e50), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1559018)
   Call: (210) [system] peek_char((0x55772f068e50), _1559952)
   Exit: (210) [system] peek_char((0x55772f068e50), f)
^  Call: (210) [user] is_delimiter(f)
   Call: (211) [system] char_type(f, space)
   Fail: (211) [system] char_type(f, space)
   Call: (211) [system] arg(_1564672, v('(', ')', end_of_file), f)
   Fail: (211) [system] arg(_1565604, v('(', ')', end_of_file), f)
^  Fail: (210) [user] is_delimiter(f)
   Call: (210) [system] ')'==f
   Fail: (210) [system] ')'==f
   Call: (210) [system] get_char((0x55772f068e50), f)
   Exit: (210) [system] get_char((0x55772f068e50), f)
   Call: (210) [system] f=(\)
   Fail: (210) [system] f=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1572954)
   Call: (211) [system] peek_char((0x55772f068e50), _1573888)
   Exit: (211) [system] peek_char((0x55772f068e50), '4')
^  Call: (211) [user] is_delimiter('4')
   Call: (212) [system] char_type('4', space)
   Fail: (212) [system] char_type('4', space)
   Call: (212) [system] arg(_1578608, v('(', ')', end_of_file), '4')
   Fail: (212) [system] arg(_1579540, v('(', ')', end_of_file), '4')
^  Fail: (211) [user] is_delimiter('4')
   Call: (211) [system] ')'=='4'
   Fail: (211) [system] ')'=='4'
   Call: (211) [system] get_char((0x55772f068e50), '4')
   Exit: (211) [system] get_char((0x55772f068e50), '4')
   Call: (211) [system] '4'=(\)
   Fail: (211) [system] '4'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1586890)
   Call: (212) [system] peek_char((0x55772f068e50), _1587824)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1586890=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (211) [system] _1572954=['4']
   Exit: (211) [system] ['4']=['4']
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), ['4'])
   Call: (210) [system] _1559018=[f, '4']
   Exit: (210) [system] [f, '4']=[f, '4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '4'])
   Call: (209) [system] _1545082=[o, f, '4']
   Exit: (209) [system] [o, f, '4']=[o, f, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '4'])
   Call: (208) [system] _1531146=[o, o, f, '4']
   Exit: (208) [system] [o, o, f, '4']=[o, o, f, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '4'])
   Call: (207) [system] _1517210=[r, o, o, f, '4']
   Exit: (207) [system] [r, o, o, f, '4']=[r, o, o, f, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '4'])
   Call: (206) [system] _1503274=[p, r, o, o, f, '4']
   Exit: (206) [system] [p, r, o, o, f, '4']=[p, r, o, o, f, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '4'])
^  Call: (205) [user] classify_and_convert_charseq([$, p, r, o, o, f, '4'], _1467764)
^  Call: (206) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '4'], _1613872)
   Call: (207) [system] atom_chars(_1614804, ['_', p, r, o, o, f, '4'])
   Exit: (207) [system] atom_chars('_proof4', ['_', p, r, o, o, f, '4'])
^  Exit: (206) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '4'], _proof4)
   Call: (206) [system] integer(_proof4)
   Fail: (206) [system] integer(_proof4)
   Call: (206) [system] _1467764=_proof4
   Exit: (206) [system] _proof4=_proof4
^  Exit: (205) [user] classify_and_convert_charseq([$, p, r, o, o, f, '4'], _proof4)
^  Exit: (204) [user] read_symbolic(')', (0x55772f068e50), $, _proof4)
^  Exit: (203) [user] cont_sexpr(')', (0x55772f068e50), _proof4)
^  Call: (203) [user] read_list(')', (0x55772f068e50), _1624096)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1625954)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x55772f068e50), _1635548)
   Exit: (205) [system] get_char((0x55772f068e50), ' ')
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1638252)
   Exit: (206) [system] peek_char((0x55772f068e50), $)
   Call: (206) [system] ($)=(;)
   Fail: (206) [system] ($)=(;)
   Call: (206) [system] ($)=(/)
   Fail: (206) [system] ($)=(/)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Fail: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Fail: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Fail: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
   Fail: (207) [system] char_type($, cntrl)
^  Fail: (206) [user] is_like_space($)
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1655186)
   Exit: (204) [system] peek_char((0x55772f068e50), $)
   Call: (204) [system] ($)=')'
   Fail: (204) [system] ($)=')'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x55772f068e50), _1660756)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1662614)
   Exit: (206) [system] peek_char((0x55772f068e50), $)
   Call: (206) [system] ($)=(;)
   Fail: (206) [system] ($)=(;)
   Call: (206) [system] ($)=(/)
   Fail: (206) [system] ($)=(/)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Fail: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Fail: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Fail: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
   Fail: (207) [system] char_type($, cntrl)
^  Fail: (206) [user] is_like_space($)
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] get_char((0x55772f068e50), _1678624)
   Exit: (205) [system] get_char((0x55772f068e50), $)
   Call: (205) [system] ($)='('
   Fail: (205) [system] ($)='('
   Call: (205) [system] ($)='['
   Fail: (205) [system] ($)='['
   Call: (205) [system] ($)='{'
   Fail: (205) [system] ($)='{'
   Call: (205) [system] ($)='"'
   Fail: (205) [system] ($)='"'
   Call: (205) [system] ($)=!
   Fail: (205) [system] ($)=!
   Call: (205) [system] ($)='\''
   Fail: (205) [system] ($)='\''
   Call: (205) [system] ($)='`'
   Fail: (205) [system] ($)='`'
   Call: (205) [system] ($)=end_of_file
   Fail: (205) [system] ($)=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x55772f068e50), $, _1660756)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1696266)
   Call: (207) [system] peek_char((0x55772f068e50), _1697200)
   Exit: (207) [system] peek_char((0x55772f068e50), p)
^  Call: (207) [user] is_delimiter(p)
   Call: (208) [system] char_type(p, space)
   Fail: (208) [system] char_type(p, space)
   Call: (208) [system] arg(_1701920, v('(', ')', end_of_file), p)
   Fail: (208) [system] arg(_1702852, v('(', ')', end_of_file), p)
^  Fail: (207) [user] is_delimiter(p)
   Call: (207) [system] ')'==p
   Fail: (207) [system] ')'==p
   Call: (207) [system] get_char((0x55772f068e50), p)
   Exit: (207) [system] get_char((0x55772f068e50), p)
   Call: (207) [system] p=(\)
   Fail: (207) [system] p=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1710202)
   Call: (208) [system] peek_char((0x55772f068e50), _1711136)
   Exit: (208) [system] peek_char((0x55772f068e50), r)
^  Call: (208) [user] is_delimiter(r)
   Call: (209) [system] char_type(r, space)
   Fail: (209) [system] char_type(r, space)
   Call: (209) [system] arg(_1715856, v('(', ')', end_of_file), r)
   Fail: (209) [system] arg(_1716788, v('(', ')', end_of_file), r)
^  Fail: (208) [user] is_delimiter(r)
   Call: (208) [system] ')'==r
   Fail: (208) [system] ')'==r
   Call: (208) [system] get_char((0x55772f068e50), r)
   Exit: (208) [system] get_char((0x55772f068e50), r)
   Call: (208) [system] r=(\)
   Fail: (208) [system] r=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1724138)
   Call: (209) [system] peek_char((0x55772f068e50), _1725072)
   Exit: (209) [system] peek_char((0x55772f068e50), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_1729792, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_1730724, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x55772f068e50), e)
   Exit: (209) [system] get_char((0x55772f068e50), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1738074)
   Call: (210) [system] peek_char((0x55772f068e50), _1739008)
   Exit: (210) [system] peek_char((0x55772f068e50), m)
^  Call: (210) [user] is_delimiter(m)
   Call: (211) [system] char_type(m, space)
   Fail: (211) [system] char_type(m, space)
   Call: (211) [system] arg(_1743728, v('(', ')', end_of_file), m)
   Fail: (211) [system] arg(_1744660, v('(', ')', end_of_file), m)
^  Fail: (210) [user] is_delimiter(m)
   Call: (210) [system] ')'==m
   Fail: (210) [system] ')'==m
   Call: (210) [system] get_char((0x55772f068e50), m)
   Exit: (210) [system] get_char((0x55772f068e50), m)
   Call: (210) [system] m=(\)
   Fail: (210) [system] m=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1752010)
   Call: (211) [system] peek_char((0x55772f068e50), _1752944)
   Exit: (211) [system] peek_char((0x55772f068e50), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_1757664, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_1758596, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x55772f068e50), i)
   Exit: (211) [system] get_char((0x55772f068e50), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1765946)
   Call: (212) [system] peek_char((0x55772f068e50), _1766880)
   Exit: (212) [system] peek_char((0x55772f068e50), s)
^  Call: (212) [user] is_delimiter(s)
   Call: (213) [system] char_type(s, space)
   Fail: (213) [system] char_type(s, space)
   Call: (213) [system] arg(_1771600, v('(', ')', end_of_file), s)
   Fail: (213) [system] arg(_1772532, v('(', ')', end_of_file), s)
^  Fail: (212) [user] is_delimiter(s)
   Call: (212) [system] ')'==s
   Fail: (212) [system] ')'==s
   Call: (212) [system] get_char((0x55772f068e50), s)
   Exit: (212) [system] get_char((0x55772f068e50), s)
   Call: (212) [system] s=(\)
   Fail: (212) [system] s=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1779882)
   Call: (213) [system] peek_char((0x55772f068e50), _1780816)
   Exit: (213) [system] peek_char((0x55772f068e50), e)
^  Call: (213) [user] is_delimiter(e)
   Call: (214) [system] char_type(e, space)
   Fail: (214) [system] char_type(e, space)
   Call: (214) [system] arg(_1785536, v('(', ')', end_of_file), e)
   Fail: (214) [system] arg(_1786468, v('(', ')', end_of_file), e)
^  Fail: (213) [user] is_delimiter(e)
   Call: (213) [system] ')'==e
   Fail: (213) [system] ')'==e
   Call: (213) [system] get_char((0x55772f068e50), e)
   Exit: (213) [system] get_char((0x55772f068e50), e)
   Call: (213) [system] e=(\)
   Fail: (213) [system] e=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1793818)
   Call: (214) [system] peek_char((0x55772f068e50), _1794752)
   Exit: (214) [system] peek_char((0x55772f068e50), '4')
^  Call: (214) [user] is_delimiter('4')
   Call: (215) [system] char_type('4', space)
   Fail: (215) [system] char_type('4', space)
   Call: (215) [system] arg(_1799472, v('(', ')', end_of_file), '4')
   Fail: (215) [system] arg(_1800404, v('(', ')', end_of_file), '4')
^  Fail: (214) [user] is_delimiter('4')
   Call: (214) [system] ')'=='4'
   Fail: (214) [system] ')'=='4'
   Call: (214) [system] get_char((0x55772f068e50), '4')
   Exit: (214) [system] get_char((0x55772f068e50), '4')
   Call: (214) [system] '4'=(\)
   Fail: (214) [system] '4'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1807754)
   Call: (215) [system] peek_char((0x55772f068e50), _1808688)
   Exit: (215) [system] peek_char((0x55772f068e50), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_1813408, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _1807754=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (214) [system] _1793818=['4']
   Exit: (214) [system] ['4']=['4']
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), ['4'])
   Call: (213) [system] _1779882=[e, '4']
   Exit: (213) [system] [e, '4']=[e, '4']
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '4'])
   Call: (212) [system] _1765946=[s, e, '4']
   Exit: (212) [system] [s, e, '4']=[s, e, '4']
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '4'])
   Call: (211) [system] _1752010=[i, s, e, '4']
   Exit: (211) [system] [i, s, e, '4']=[i, s, e, '4']
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '4'])
   Call: (210) [system] _1738074=[m, i, s, e, '4']
   Exit: (210) [system] [m, i, s, e, '4']=[m, i, s, e, '4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '4'])
   Call: (209) [system] _1724138=[e, m, i, s, e, '4']
   Exit: (209) [system] [e, m, i, s, e, '4']=[e, m, i, s, e, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '4'])
   Call: (208) [system] _1710202=[r, e, m, i, s, e, '4']
   Exit: (208) [system] [r, e, m, i, s, e, '4']=[r, e, m, i, s, e, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '4'])
   Call: (207) [system] _1696266=[p, r, e, m, i, s, e, '4']
   Exit: (207) [system] [p, r, e, m, i, s, e, '4']=[p, r, e, m, i, s, e, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '4'])
^  Call: (206) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '4'], _1660756)
^  Call: (207) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '4'], _1842196)
   Call: (208) [system] atom_chars(_1843128, ['_', p, r, e, m, i, s, e, '4'])
   Exit: (208) [system] atom_chars('_premise4', ['_', p, r, e, m, i, s, e, '4'])
^  Exit: (207) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '4'], _premise4)
   Call: (207) [system] integer(_premise4)
   Fail: (207) [system] integer(_premise4)
   Call: (207) [system] _1660756=_premise4
   Exit: (207) [system] _premise4=_premise4
^  Exit: (206) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '4'], _premise4)
^  Exit: (205) [user] read_symbolic(')', (0x55772f068e50), $, _premise4)
^  Exit: (204) [user] cont_sexpr(')', (0x55772f068e50), _premise4)
^  Call: (204) [user] read_list(')', (0x55772f068e50), _1852420)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1854278)
   Exit: (206) [system] peek_char((0x55772f068e50), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
   Call: (206) [system] ')'=(/)
   Fail: (206) [system] ')'=(/)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1870288)
   Exit: (205) [system] peek_char((0x55772f068e50), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x55772f068e50), _1874078)
   Exit: (205) [system] get_char((0x55772f068e50), ')')
   Call: (205) [system] _1852420=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x55772f068e50), [])
   Call: (204) [system] _1624096=[_premise4]
   Exit: (204) [system] [_premise4]=[_premise4]
^  Exit: (203) [user] read_list(')', (0x55772f068e50), [_premise4])
   Call: (203) [system] _1431104=[_proof4, _premise4]
   Exit: (203) [system] [_proof4, _premise4]=[_proof4, _premise4]
^  Exit: (202) [user] read_list(')', (0x55772f068e50), [_proof4, _premise4])
   Call: (202) [system] _1327278=[:, _proof4, _premise4]
   Exit: (202) [system] [:, _proof4, _premise4]=[:, _proof4, _premise4]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [:, _proof4, _premise4])
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), [:, _proof4, _premise4])
^  Call: (200) [user] read_list(')', (0x55772f068e50), _1887960)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1889818)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _1899412)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1902116)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1919050)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _1924620)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1926478)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _1942488)
   Exit: (202) [system] get_char((0x55772f068e50), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), $, _1924620)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1960130)
   Call: (204) [system] peek_char((0x55772f068e50), _1961064)
   Exit: (204) [system] peek_char((0x55772f068e50), k)
^  Call: (204) [user] is_delimiter(k)
   Call: (205) [system] char_type(k, space)
   Fail: (205) [system] char_type(k, space)
   Call: (205) [system] arg(_1965784, v('(', ')', end_of_file), k)
   Fail: (205) [system] arg(_1966716, v('(', ')', end_of_file), k)
^  Fail: (204) [user] is_delimiter(k)
   Call: (204) [system] ')'==k
   Fail: (204) [system] ')'==k
   Call: (204) [system] get_char((0x55772f068e50), k)
   Exit: (204) [system] get_char((0x55772f068e50), k)
   Call: (204) [system] k=(\)
   Fail: (204) [system] k=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1974066)
   Call: (205) [system] peek_char((0x55772f068e50), _1975000)
   Exit: (205) [system] peek_char((0x55772f068e50), b)
^  Call: (205) [user] is_delimiter(b)
   Call: (206) [system] char_type(b, space)
   Fail: (206) [system] char_type(b, space)
   Call: (206) [system] arg(_1979720, v('(', ')', end_of_file), b)
   Fail: (206) [system] arg(_1980652, v('(', ')', end_of_file), b)
^  Fail: (205) [user] is_delimiter(b)
   Call: (205) [system] ')'==b
   Fail: (205) [system] ')'==b
   Call: (205) [system] get_char((0x55772f068e50), b)
   Exit: (205) [system] get_char((0x55772f068e50), b)
   Call: (205) [system] b=(\)
   Fail: (205) [system] b=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1988002)
   Call: (206) [system] peek_char((0x55772f068e50), _1988936)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1988002=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (205) [system] _1974066=[b]
   Exit: (205) [system] [b]=[b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (204) [system] _1960130=[k, b]
   Exit: (204) [system] [k, b]=[k, b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [k, b])
^  Call: (203) [user] classify_and_convert_charseq([$, k, b], _1924620)
^  Call: (204) [user] classify_and_convert_charseq_([$, k, b], _2003808)
   Call: (205) [system] atom_chars(_2004740, ['_', k, b])
   Exit: (205) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (204) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (204) [system] integer(_kb)
   Fail: (204) [system] integer(_kb)
   Call: (204) [system] _1924620=_kb
   Exit: (204) [system] _kb=_kb
^  Exit: (203) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), $, _kb)
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), _kb)
^  Call: (201) [user] read_list(')', (0x55772f068e50), _2014032)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _2015890)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _2025484)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _2028188)
   Exit: (204) [system] peek_char((0x55772f068e50), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _2045122)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x55772f068e50), _2050692)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _2052550)
   Exit: (204) [system] peek_char((0x55772f068e50), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] get_char((0x55772f068e50), _2068560)
   Exit: (203) [system] get_char((0x55772f068e50), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x55772f068e50), $, _2050692)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _2086202)
   Call: (205) [system] peek_char((0x55772f068e50), _2087136)
   Exit: (205) [system] peek_char((0x55772f068e50), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_2091856, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_2092788, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x55772f068e50), r)
   Exit: (205) [system] get_char((0x55772f068e50), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _7486)
   Call: (206) [system] peek_char((0x55772f068e50), _8420)
   Exit: (206) [system] peek_char((0x55772f068e50), b)
^  Call: (206) [user] is_delimiter(b)
   Call: (207) [system] char_type(b, space)
   Fail: (207) [system] char_type(b, space)
   Call: (207) [system] arg(_13140, v('(', ')', end_of_file), b)
   Fail: (207) [system] arg(_14072, v('(', ')', end_of_file), b)
^  Fail: (206) [user] is_delimiter(b)
   Call: (206) [system] ')'==b
   Fail: (206) [system] ')'==b
   Call: (206) [system] get_char((0x55772f068e50), b)
   Exit: (206) [system] get_char((0x55772f068e50), b)
   Call: (206) [system] b=(\)
   Fail: (206) [system] b=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _21422)
   Call: (207) [system] peek_char((0x55772f068e50), _22356)
   Exit: (207) [system] peek_char((0x55772f068e50), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _21422=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (206) [system] _7486=[b]
   Exit: (206) [system] [b]=[b]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (205) [system] _4100=[r, b]
   Exit: (205) [system] [r, b]=[r, b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [r, b])
^  Call: (204) [user] classify_and_convert_charseq([$, r, b], _4096)
^  Call: (205) [user] classify_and_convert_charseq_([$, r, b], _37228)
   Call: (206) [system] atom_chars(_38160, ['_', r, b])
   Exit: (206) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (205) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (205) [system] integer(_rb)
   Fail: (205) [system] integer(_rb)
   Call: (205) [system] _4096=_rb
   Exit: (205) [system] _rb=_rb
^  Exit: (204) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (203) [user] read_symbolic(')', (0x55772f068e50), $, _rb)
^  Exit: (202) [user] cont_sexpr(')', (0x55772f068e50), _rb)
^  Call: (202) [user] read_list(')', (0x55772f068e50), _47452)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _49310)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x55772f068e50), _58904)
   Exit: (204) [system] get_char((0x55772f068e50), ' ')
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _61608)
   Exit: (205) [system] peek_char((0x55772f068e50), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _78542)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=')'
   Fail: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x55772f068e50), _84112)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _85970)
   Exit: (205) [system] peek_char((0x55772f068e50), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] get_char((0x55772f068e50), _101980)
   Exit: (204) [system] get_char((0x55772f068e50), $)
   Call: (204) [system] ($)='('
   Fail: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Fail: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Fail: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Fail: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Fail: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Fail: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Fail: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x55772f068e50), $, _84112)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _119622)
   Call: (206) [system] peek_char((0x55772f068e50), _120556)
   Exit: (206) [system] peek_char((0x55772f068e50), k)
^  Call: (206) [user] is_delimiter(k)
   Call: (207) [system] char_type(k, space)
   Fail: (207) [system] char_type(k, space)
   Call: (207) [system] arg(_125276, v('(', ')', end_of_file), k)
   Fail: (207) [system] arg(_126208, v('(', ')', end_of_file), k)
^  Fail: (206) [user] is_delimiter(k)
   Call: (206) [system] ')'==k
   Fail: (206) [system] ')'==k
   Call: (206) [system] get_char((0x55772f068e50), k)
   Exit: (206) [system] get_char((0x55772f068e50), k)
   Call: (206) [system] k=(\)
   Fail: (206) [system] k=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _133558)
   Call: (207) [system] peek_char((0x55772f068e50), _134492)
   Exit: (207) [system] peek_char((0x55772f068e50), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_139212, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _133558=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (206) [system] _119622=[k]
   Exit: (206) [system] [k]=[k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
^  Call: (205) [user] classify_and_convert_charseq([$, k], _84112)
^  Call: (206) [user] classify_and_convert_charseq_([$, k], _148442)
   Call: (207) [system] atom_chars(_149374, ['_', k])
   Exit: (207) [system] atom_chars('_k', ['_', k])
^  Exit: (206) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (206) [system] integer(_k)
   Fail: (206) [system] integer(_k)
   Call: (206) [system] _84112=_k
   Exit: (206) [system] _k=_k
^  Exit: (205) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (204) [user] read_symbolic(')', (0x55772f068e50), $, _k)
^  Exit: (203) [user] cont_sexpr(')', (0x55772f068e50), _k)
^  Call: (203) [user] read_list(')', (0x55772f068e50), _158666)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _160524)
   Exit: (205) [system] peek_char((0x55772f068e50), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _176534)
   Exit: (204) [system] peek_char((0x55772f068e50), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x55772f068e50), _180324)
   Exit: (204) [system] get_char((0x55772f068e50), ')')
   Call: (204) [system] _158666=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x55772f068e50), [])
   Call: (203) [system] _47452=[_k]
   Exit: (203) [system] [_k]=[_k]
^  Exit: (202) [user] read_list(')', (0x55772f068e50), [_k])
   Call: (202) [system] _4092=[_rb, _k]
   Exit: (202) [system] [_rb, _k]=[_rb, _k]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [_rb, _k])
   Call: (201) [system] _4082=[_kb, _rb, _k]
   Exit: (201) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [_kb, _rb, _k])
   Call: (200) [system] _4050=[[:, _proof4, _premise4], _kb, _rb, _k]
   Exit: (200) [system] [[:, _proof4, _premise4], _kb, _rb, _k]=[[:, _proof4, _premise4], _kb, _rb, _k]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [[:, _proof4, _premise4], _kb, _rb, _k])
   Call: (199) [system] _4042=[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]
   Exit: (199) [system] [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]=[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), [synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
^  Call: (197) [user] read_list(')', (0x55772f068e50), _199794)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _201652)
   Exit: (199) [system] peek_char((0x55772f068e50), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _217662)
   Exit: (198) [system] peek_char((0x55772f068e50), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x55772f068e50), _221452)
   Exit: (198) [system] get_char((0x55772f068e50), ')')
   Call: (198) [system] _199794=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [])
   Call: (197) [system] _4038=[[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
   Exit: (197) [system] [[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]=[[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
   Call: (196) [system] _4004=[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
   Exit: (196) [system] [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]=[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
^  Call: (194) [user] read_list(')', (0x55772f068e50), _232540)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _234398)
   Exit: (196) [system] peek_char((0x55772f068e50), '\n')
   Call: (196) [system] '\n'=(;)
   Fail: (196) [system] '\n'=(;)
   Call: (196) [system] '\n'=(/)
   Fail: (196) [system] '\n'=(/)
^  Call: (196) [user] is_like_space('\n')
   Call: (197) [system] char_type('\n', 'white')
   Fail: (197) [system] char_type('\n', 'white')
   Call: (197) [system] char_type('\n', end_of_line)
   Exit: (197) [system] char_type('\n', end_of_line)
^  Exit: (196) [user] is_like_space('\n')
   Call: (196) [system] get_char((0x55772f068e50), _245848)
   Exit: (196) [system] get_char((0x55772f068e50), '\n')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _248552)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _258146)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _260850)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _270444)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _273148)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _282742)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _285446)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _295040)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _297744)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _307338)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _310042)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _319636)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _322340)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _331934)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _334638)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x55772f068e50), _344232)
   Exit: (204) [system] get_char((0x55772f068e50), ' ')
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _346936)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x55772f068e50), _356530)
   Exit: (205) [system] get_char((0x55772f068e50), ' ')
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _359234)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x55772f068e50), _368828)
   Exit: (206) [system] get_char((0x55772f068e50), ' ')
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _371532)
   Exit: (207) [system] peek_char((0x55772f068e50), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _397706)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _403276)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _405134)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _421144)
   Exit: (196) [system] get_char((0x55772f068e50), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x55772f068e50), _403276)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _426714)
   Exit: (198) [system] peek_char((0x55772f068e50), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _442724)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _448294)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _450152)
   Exit: (199) [system] peek_char((0x55772f068e50), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _466162)
   Exit: (198) [system] get_char((0x55772f068e50), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x55772f068e50), _448294)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _471732)
   Exit: (200) [system] peek_char((0x55772f068e50), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
   Call: (200) [system] (:)=(/)
   Fail: (200) [system] (:)=(/)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _487742)
   Exit: (199) [system] peek_char((0x55772f068e50), :)
   Call: (199) [system] (:)=')'
   Fail: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _493312)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _495170)
   Exit: (201) [system] peek_char((0x55772f068e50), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _511180)
   Exit: (200) [system] get_char((0x55772f068e50), :)
   Call: (200) [system] (:)='('
   Fail: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Fail: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Fail: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Fail: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Fail: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Fail: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Fail: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), :, _493312)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _528822)
   Call: (202) [system] peek_char((0x55772f068e50), _529756)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _528822=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (201) [user] classify_and_convert_charseq([:], _493312)
^  Call: (202) [user] classify_and_convert_charseq_([:], _539040)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_539992, _539994), once(user:catch(read_from_chars([:], _539040), _539974, fail)), '$restore_trace'(_539992, _539994))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_539992, _539994))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _539974, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(:)
   Exit: (203) [system] atomic(:)
^  Exit: (202) [user] classify_and_convert_charseq_([:], :)
   Call: (202) [system] integer(:)
   Fail: (202) [system] integer(:)
   Call: (202) [system] _493312=(:)
   Exit: (202) [system] (:)=(:)
^  Exit: (201) [user] classify_and_convert_charseq([:], :)
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (199) [user] read_list(')', (0x55772f068e50), _552120)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _553978)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _563572)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _566276)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _583210)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _588780)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _590638)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _606648)
   Exit: (201) [system] get_char((0x55772f068e50), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), $, _588780)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _624290)
   Call: (203) [system] peek_char((0x55772f068e50), _625224)
   Exit: (203) [system] peek_char((0x55772f068e50), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_629944, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_630876, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x55772f068e50), p)
   Exit: (203) [system] get_char((0x55772f068e50), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _638226)
   Call: (204) [system] peek_char((0x55772f068e50), _639160)
   Exit: (204) [system] peek_char((0x55772f068e50), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_643880, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_644812, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x55772f068e50), r)
   Exit: (204) [system] get_char((0x55772f068e50), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _652162)
   Call: (205) [system] peek_char((0x55772f068e50), _653096)
   Exit: (205) [system] peek_char((0x55772f068e50), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_657816, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_658748, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x55772f068e50), o)
   Exit: (205) [system] get_char((0x55772f068e50), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _666098)
   Call: (206) [system] peek_char((0x55772f068e50), _667032)
   Exit: (206) [system] peek_char((0x55772f068e50), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_671752, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_672684, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x55772f068e50), o)
   Exit: (206) [system] get_char((0x55772f068e50), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _680034)
   Call: (207) [system] peek_char((0x55772f068e50), _680968)
   Exit: (207) [system] peek_char((0x55772f068e50), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Fail: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_685688, v('(', ')', end_of_file), f)
   Fail: (208) [system] arg(_686620, v('(', ')', end_of_file), f)
^  Fail: (207) [user] is_delimiter(f)
   Call: (207) [system] ')'==f
   Fail: (207) [system] ')'==f
   Call: (207) [system] get_char((0x55772f068e50), f)
   Exit: (207) [system] get_char((0x55772f068e50), f)
   Call: (207) [system] f=(\)
   Fail: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _693970)
   Call: (208) [system] peek_char((0x55772f068e50), _694904)
   Exit: (208) [system] peek_char((0x55772f068e50), '5')
^  Call: (208) [user] is_delimiter('5')
   Call: (209) [system] char_type('5', space)
   Fail: (209) [system] char_type('5', space)
   Call: (209) [system] arg(_699624, v('(', ')', end_of_file), '5')
   Fail: (209) [system] arg(_700556, v('(', ')', end_of_file), '5')
^  Fail: (208) [user] is_delimiter('5')
   Call: (208) [system] ')'=='5'
   Fail: (208) [system] ')'=='5'
   Call: (208) [system] get_char((0x55772f068e50), '5')
   Exit: (208) [system] get_char((0x55772f068e50), '5')
   Call: (208) [system] '5'=(\)
   Fail: (208) [system] '5'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _707906)
   Call: (209) [system] peek_char((0x55772f068e50), _708840)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _707906=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (208) [system] _693970=['5']
   Exit: (208) [system] ['5']=['5']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), ['5'])
   Call: (207) [system] _680034=[f, '5']
   Exit: (207) [system] [f, '5']=[f, '5']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '5'])
   Call: (206) [system] _666098=[o, f, '5']
   Exit: (206) [system] [o, f, '5']=[o, f, '5']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '5'])
   Call: (205) [system] _652162=[o, o, f, '5']
   Exit: (205) [system] [o, o, f, '5']=[o, o, f, '5']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '5'])
   Call: (204) [system] _638226=[r, o, o, f, '5']
   Exit: (204) [system] [r, o, o, f, '5']=[r, o, o, f, '5']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '5'])
   Call: (203) [system] _624290=[p, r, o, o, f, '5']
   Exit: (203) [system] [p, r, o, o, f, '5']=[p, r, o, o, f, '5']
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '5'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '5'], _588780)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '5'], _734888)
   Call: (204) [system] atom_chars(_735820, ['_', p, r, o, o, f, '5'])
   Exit: (204) [system] atom_chars('_proof5', ['_', p, r, o, o, f, '5'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '5'], _proof5)
   Call: (203) [system] integer(_proof5)
   Fail: (203) [system] integer(_proof5)
   Call: (203) [system] _588780=_proof5
   Exit: (203) [system] _proof5=_proof5
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '5'], _proof5)
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), $, _proof5)
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), _proof5)
^  Call: (200) [user] read_list(')', (0x55772f068e50), _745112)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _746970)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _756564)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _759268)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _776202)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _781772)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _783630)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _799640)
   Exit: (202) [system] get_char((0x55772f068e50), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), $, _781772)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _817282)
   Call: (204) [system] peek_char((0x55772f068e50), _818216)
   Exit: (204) [system] peek_char((0x55772f068e50), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_822936, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_823868, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x55772f068e50), p)
   Exit: (204) [system] get_char((0x55772f068e50), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _831218)
   Call: (205) [system] peek_char((0x55772f068e50), _832152)
   Exit: (205) [system] peek_char((0x55772f068e50), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_836872, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_837804, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x55772f068e50), r)
   Exit: (205) [system] get_char((0x55772f068e50), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _845154)
   Call: (206) [system] peek_char((0x55772f068e50), _846088)
   Exit: (206) [system] peek_char((0x55772f068e50), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_850808, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_851740, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x55772f068e50), e)
   Exit: (206) [system] get_char((0x55772f068e50), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _859090)
   Call: (207) [system] peek_char((0x55772f068e50), _860024)
   Exit: (207) [system] peek_char((0x55772f068e50), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_864744, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_865676, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x55772f068e50), m)
   Exit: (207) [system] get_char((0x55772f068e50), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _873026)
   Call: (208) [system] peek_char((0x55772f068e50), _873960)
   Exit: (208) [system] peek_char((0x55772f068e50), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_878680, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_879612, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x55772f068e50), i)
   Exit: (208) [system] get_char((0x55772f068e50), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _886962)
   Call: (209) [system] peek_char((0x55772f068e50), _887896)
   Exit: (209) [system] peek_char((0x55772f068e50), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_892616, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_893548, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x55772f068e50), s)
   Exit: (209) [system] get_char((0x55772f068e50), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _900898)
   Call: (210) [system] peek_char((0x55772f068e50), _901832)
   Exit: (210) [system] peek_char((0x55772f068e50), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_906552, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_907484, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x55772f068e50), e)
   Exit: (210) [system] get_char((0x55772f068e50), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _914834)
   Call: (211) [system] peek_char((0x55772f068e50), _915768)
   Exit: (211) [system] peek_char((0x55772f068e50), '5')
^  Call: (211) [user] is_delimiter('5')
   Call: (212) [system] char_type('5', space)
   Fail: (212) [system] char_type('5', space)
   Call: (212) [system] arg(_920488, v('(', ')', end_of_file), '5')
   Fail: (212) [system] arg(_921420, v('(', ')', end_of_file), '5')
^  Fail: (211) [user] is_delimiter('5')
   Call: (211) [system] ')'=='5'
   Fail: (211) [system] ')'=='5'
   Call: (211) [system] get_char((0x55772f068e50), '5')
   Exit: (211) [system] get_char((0x55772f068e50), '5')
   Call: (211) [system] '5'=(\)
   Fail: (211) [system] '5'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _928770)
   Call: (212) [system] peek_char((0x55772f068e50), _929704)
   Exit: (212) [system] peek_char((0x55772f068e50), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_934424, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _928770=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (211) [system] _914834=['5']
   Exit: (211) [system] ['5']=['5']
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), ['5'])
   Call: (210) [system] _900898=[e, '5']
   Exit: (210) [system] [e, '5']=[e, '5']
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '5'])
   Call: (209) [system] _886962=[s, e, '5']
   Exit: (209) [system] [s, e, '5']=[s, e, '5']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '5'])
   Call: (208) [system] _873026=[i, s, e, '5']
   Exit: (208) [system] [i, s, e, '5']=[i, s, e, '5']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '5'])
   Call: (207) [system] _859090=[m, i, s, e, '5']
   Exit: (207) [system] [m, i, s, e, '5']=[m, i, s, e, '5']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '5'])
   Call: (206) [system] _845154=[e, m, i, s, e, '5']
   Exit: (206) [system] [e, m, i, s, e, '5']=[e, m, i, s, e, '5']
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '5'])
   Call: (205) [system] _831218=[r, e, m, i, s, e, '5']
   Exit: (205) [system] [r, e, m, i, s, e, '5']=[r, e, m, i, s, e, '5']
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '5'])
   Call: (204) [system] _817282=[p, r, e, m, i, s, e, '5']
   Exit: (204) [system] [p, r, e, m, i, s, e, '5']=[p, r, e, m, i, s, e, '5']
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '5'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '5'], _781772)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '5'], _963212)
   Call: (205) [system] atom_chars(_964144, ['_', p, r, e, m, i, s, e, '5'])
   Exit: (205) [system] atom_chars('_premise5', ['_', p, r, e, m, i, s, e, '5'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '5'], _premise5)
   Call: (204) [system] integer(_premise5)
   Fail: (204) [system] integer(_premise5)
   Call: (204) [system] _781772=_premise5
   Exit: (204) [system] _premise5=_premise5
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '5'], _premise5)
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), $, _premise5)
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), _premise5)
^  Call: (201) [user] read_list(')', (0x55772f068e50), _973436)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _975294)
   Exit: (203) [system] peek_char((0x55772f068e50), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _991304)
   Exit: (202) [system] peek_char((0x55772f068e50), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x55772f068e50), _995094)
   Exit: (202) [system] get_char((0x55772f068e50), ')')
   Call: (202) [system] _973436=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [])
   Call: (201) [system] _745112=[_premise5]
   Exit: (201) [system] [_premise5]=[_premise5]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [_premise5])
   Call: (200) [system] _552120=[_proof5, _premise5]
   Exit: (200) [system] [_proof5, _premise5]=[_proof5, _premise5]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [_proof5, _premise5])
   Call: (199) [system] _448294=[:, _proof5, _premise5]
   Exit: (199) [system] [:, _proof5, _premise5]=[:, _proof5, _premise5]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [:, _proof5, _premise5])
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), [:, _proof5, _premise5])
^  Call: (197) [user] read_list(')', (0x55772f068e50), _1008976)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1010834)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _1020428)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1023132)
   Exit: (200) [system] peek_char((0x55772f068e50), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1040066)
   Exit: (198) [system] peek_char((0x55772f068e50), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _1045636)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1047494)
   Exit: (200) [system] peek_char((0x55772f068e50), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _1063504)
   Exit: (199) [system] get_char((0x55772f068e50), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x55772f068e50), _1045636)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1069074)
   Exit: (201) [system] peek_char((0x55772f068e50), s)
   Call: (201) [system] s=(;)
   Fail: (201) [system] s=(;)
   Call: (201) [system] s=(/)
   Fail: (201) [system] s=(/)
^  Call: (201) [user] is_like_space(s)
   Call: (202) [system] char_type(s, 'white')
   Fail: (202) [system] char_type(s, 'white')
   Call: (202) [system] char_type(s, end_of_line)
   Fail: (202) [system] char_type(s, end_of_line)
   Call: (202) [system] char_type(s, space)
   Fail: (202) [system] char_type(s, space)
   Call: (202) [system] char_type(s, cntrl)
   Fail: (202) [system] char_type(s, cntrl)
^  Fail: (201) [user] is_like_space(s)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1085084)
   Exit: (200) [system] peek_char((0x55772f068e50), s)
   Call: (200) [system] s=')'
   Fail: (200) [system] s=')'
   Call: (200) [system] s=end_of_file
   Fail: (200) [system] s=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _1090654)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1092512)
   Exit: (202) [system] peek_char((0x55772f068e50), s)
   Call: (202) [system] s=(;)
   Fail: (202) [system] s=(;)
   Call: (202) [system] s=(/)
   Fail: (202) [system] s=(/)
^  Call: (202) [user] is_like_space(s)
   Call: (203) [system] char_type(s, 'white')
   Fail: (203) [system] char_type(s, 'white')
   Call: (203) [system] char_type(s, end_of_line)
   Fail: (203) [system] char_type(s, end_of_line)
   Call: (203) [system] char_type(s, space)
   Fail: (203) [system] char_type(s, space)
   Call: (203) [system] char_type(s, cntrl)
   Fail: (203) [system] char_type(s, cntrl)
^  Fail: (202) [user] is_like_space(s)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _1108522)
   Exit: (201) [system] get_char((0x55772f068e50), s)
   Call: (201) [system] s='('
   Fail: (201) [system] s='('
   Call: (201) [system] s='['
   Fail: (201) [system] s='['
   Call: (201) [system] s='{'
   Fail: (201) [system] s='{'
   Call: (201) [system] s='"'
   Fail: (201) [system] s='"'
   Call: (201) [system] s=!
   Fail: (201) [system] s=!
   Call: (201) [system] s='\''
   Fail: (201) [system] s='\''
   Call: (201) [system] s='`'
   Fail: (201) [system] s='`'
   Call: (201) [system] s=end_of_file
   Fail: (201) [system] s=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), s, _1090654)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1126164)
   Call: (203) [system] peek_char((0x55772f068e50), _1127098)
   Exit: (203) [system] peek_char((0x55772f068e50), y)
^  Call: (203) [user] is_delimiter(y)
   Call: (204) [system] char_type(y, space)
   Fail: (204) [system] char_type(y, space)
   Call: (204) [system] arg(_1131818, v('(', ')', end_of_file), y)
   Fail: (204) [system] arg(_1132750, v('(', ')', end_of_file), y)
^  Fail: (203) [user] is_delimiter(y)
   Call: (203) [system] ')'==y
   Fail: (203) [system] ')'==y
   Call: (203) [system] get_char((0x55772f068e50), y)
   Exit: (203) [system] get_char((0x55772f068e50), y)
   Call: (203) [system] y=(\)
   Fail: (203) [system] y=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1140100)
   Call: (204) [system] peek_char((0x55772f068e50), _1141034)
   Exit: (204) [system] peek_char((0x55772f068e50), n)
^  Call: (204) [user] is_delimiter(n)
   Call: (205) [system] char_type(n, space)
   Fail: (205) [system] char_type(n, space)
   Call: (205) [system] arg(_1145754, v('(', ')', end_of_file), n)
   Fail: (205) [system] arg(_1146686, v('(', ')', end_of_file), n)
^  Fail: (204) [user] is_delimiter(n)
   Call: (204) [system] ')'==n
   Fail: (204) [system] ')'==n
   Call: (204) [system] get_char((0x55772f068e50), n)
   Exit: (204) [system] get_char((0x55772f068e50), n)
   Call: (204) [system] n=(\)
   Fail: (204) [system] n=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1154036)
   Call: (205) [system] peek_char((0x55772f068e50), _1154970)
   Exit: (205) [system] peek_char((0x55772f068e50), t)
^  Call: (205) [user] is_delimiter(t)
   Call: (206) [system] char_type(t, space)
   Fail: (206) [system] char_type(t, space)
   Call: (206) [system] arg(_1159690, v('(', ')', end_of_file), t)
   Fail: (206) [system] arg(_1160622, v('(', ')', end_of_file), t)
^  Fail: (205) [user] is_delimiter(t)
   Call: (205) [system] ')'==t
   Fail: (205) [system] ')'==t
   Call: (205) [system] get_char((0x55772f068e50), t)
   Exit: (205) [system] get_char((0x55772f068e50), t)
   Call: (205) [system] t=(\)
   Fail: (205) [system] t=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1167972)
   Call: (206) [system] peek_char((0x55772f068e50), _1168906)
   Exit: (206) [system] peek_char((0x55772f068e50), h)
^  Call: (206) [user] is_delimiter(h)
   Call: (207) [system] char_type(h, space)
   Fail: (207) [system] char_type(h, space)
   Call: (207) [system] arg(_1173626, v('(', ')', end_of_file), h)
   Fail: (207) [system] arg(_1174558, v('(', ')', end_of_file), h)
^  Fail: (206) [user] is_delimiter(h)
   Call: (206) [system] ')'==h
   Fail: (206) [system] ')'==h
   Call: (206) [system] get_char((0x55772f068e50), h)
   Exit: (206) [system] get_char((0x55772f068e50), h)
   Call: (206) [system] h=(\)
   Fail: (206) [system] h=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1181908)
   Call: (207) [system] peek_char((0x55772f068e50), _1182842)
   Exit: (207) [system] peek_char((0x55772f068e50), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1187562, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_1188494, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x55772f068e50), e)
   Exit: (207) [system] get_char((0x55772f068e50), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1195844)
   Call: (208) [system] peek_char((0x55772f068e50), _1196778)
   Exit: (208) [system] peek_char((0x55772f068e50), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Fail: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_1201498, v('(', ')', end_of_file), s)
   Fail: (209) [system] arg(_1202430, v('(', ')', end_of_file), s)
^  Fail: (208) [user] is_delimiter(s)
   Call: (208) [system] ')'==s
   Fail: (208) [system] ')'==s
   Call: (208) [system] get_char((0x55772f068e50), s)
   Exit: (208) [system] get_char((0x55772f068e50), s)
   Call: (208) [system] s=(\)
   Fail: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1209780)
   Call: (209) [system] peek_char((0x55772f068e50), _1210714)
   Exit: (209) [system] peek_char((0x55772f068e50), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1215434, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_1216366, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x55772f068e50), i)
   Exit: (209) [system] get_char((0x55772f068e50), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1223716)
   Call: (210) [system] peek_char((0x55772f068e50), _1224650)
   Exit: (210) [system] peek_char((0x55772f068e50), z)
^  Call: (210) [user] is_delimiter(z)
   Call: (211) [system] char_type(z, space)
   Fail: (211) [system] char_type(z, space)
   Call: (211) [system] arg(_1229370, v('(', ')', end_of_file), z)
   Fail: (211) [system] arg(_1230302, v('(', ')', end_of_file), z)
^  Fail: (210) [user] is_delimiter(z)
   Call: (210) [system] ')'==z
   Fail: (210) [system] ')'==z
   Call: (210) [system] get_char((0x55772f068e50), z)
   Exit: (210) [system] get_char((0x55772f068e50), z)
   Call: (210) [system] z=(\)
   Fail: (210) [system] z=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1237652)
   Call: (211) [system] peek_char((0x55772f068e50), _1238586)
   Exit: (211) [system] peek_char((0x55772f068e50), e)
^  Call: (211) [user] is_delimiter(e)
   Call: (212) [system] char_type(e, space)
   Fail: (212) [system] char_type(e, space)
   Call: (212) [system] arg(_1243306, v('(', ')', end_of_file), e)
   Fail: (212) [system] arg(_1244238, v('(', ')', end_of_file), e)
^  Fail: (211) [user] is_delimiter(e)
   Call: (211) [system] ')'==e
   Fail: (211) [system] ')'==e
   Call: (211) [system] get_char((0x55772f068e50), e)
   Exit: (211) [system] get_char((0x55772f068e50), e)
   Call: (211) [system] e=(\)
   Fail: (211) [system] e=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1251588)
   Call: (212) [system] peek_char((0x55772f068e50), _1252522)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1251588=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (211) [system] _1237652=[e]
   Exit: (211) [system] [e]=[e]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (210) [system] _1223716=[z, e]
   Exit: (210) [system] [z, e]=[z, e]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [z, e])
   Call: (209) [system] _1209780=[i, z, e]
   Exit: (209) [system] [i, z, e]=[i, z, e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [i, z, e])
   Call: (208) [system] _1195844=[s, i, z, e]
   Exit: (208) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [s, i, z, e])
   Call: (207) [system] _1181908=[e, s, i, z, e]
   Exit: (207) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [e, s, i, z, e])
   Call: (206) [system] _1167972=[h, e, s, i, z, e]
   Exit: (206) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [h, e, s, i, z, e])
   Call: (205) [system] _1154036=[t, h, e, s, i, z, e]
   Exit: (205) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [t, h, e, s, i, z, e])
   Call: (204) [system] _1140100=[n, t, h, e, s, i, z, e]
   Exit: (204) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, h, e, s, i, z, e])
   Call: (203) [system] _1126164=[y, n, t, h, e, s, i, z, e]
   Exit: (203) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [y, n, t, h, e, s, i, z, e])
^  Call: (202) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _1090654)
^  Call: (203) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _1286952)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1287904, _1287906), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1286952), _1287886, fail)), '$restore_trace'(_1287904, _1287906))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1287904, _1287906))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1287886, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(synthesize)
   Exit: (204) [system] atomic(synthesize)
^  Exit: (203) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (203) [system] integer(synthesize)
   Fail: (203) [system] integer(synthesize)
   Call: (203) [system] _1090654=synthesize
   Exit: (203) [system] synthesize=synthesize
^  Exit: (202) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), s, synthesize)
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), synthesize)
^  Call: (200) [user] read_list(')', (0x55772f068e50), _1300032)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1301890)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _1311484)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1314188)
   Exit: (203) [system] peek_char((0x55772f068e50), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1331122)
   Exit: (201) [system] peek_char((0x55772f068e50), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _1336692)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1338550)
   Exit: (203) [system] peek_char((0x55772f068e50), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _1354560)
   Exit: (202) [system] get_char((0x55772f068e50), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x55772f068e50), _1336692)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1360130)
   Exit: (204) [system] peek_char((0x55772f068e50), :)
   Call: (204) [system] (:)=(;)
   Fail: (204) [system] (:)=(;)
   Call: (204) [system] (:)=(/)
   Fail: (204) [system] (:)=(/)
^  Call: (204) [user] is_like_space(:)
   Call: (205) [system] char_type(:, 'white')
   Fail: (205) [system] char_type(:, 'white')
   Call: (205) [system] char_type(:, end_of_line)
   Fail: (205) [system] char_type(:, end_of_line)
   Call: (205) [system] char_type(:, space)
   Fail: (205) [system] char_type(:, space)
   Call: (205) [system] char_type(:, cntrl)
   Fail: (205) [system] char_type(:, cntrl)
^  Fail: (204) [user] is_like_space(:)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1376140)
   Exit: (203) [system] peek_char((0x55772f068e50), :)
   Call: (203) [system] (:)=')'
   Fail: (203) [system] (:)=')'
   Call: (203) [system] (:)=end_of_file
   Fail: (203) [system] (:)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x55772f068e50), _1381710)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1383568)
   Exit: (205) [system] peek_char((0x55772f068e50), :)
   Call: (205) [system] (:)=(;)
   Fail: (205) [system] (:)=(;)
   Call: (205) [system] (:)=(/)
   Fail: (205) [system] (:)=(/)
^  Call: (205) [user] is_like_space(:)
   Call: (206) [system] char_type(:, 'white')
   Fail: (206) [system] char_type(:, 'white')
   Call: (206) [system] char_type(:, end_of_line)
   Fail: (206) [system] char_type(:, end_of_line)
   Call: (206) [system] char_type(:, space)
   Fail: (206) [system] char_type(:, space)
   Call: (206) [system] char_type(:, cntrl)
   Fail: (206) [system] char_type(:, cntrl)
^  Fail: (205) [user] is_like_space(:)
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] get_char((0x55772f068e50), _1399578)
   Exit: (204) [system] get_char((0x55772f068e50), :)
   Call: (204) [system] (:)='('
   Fail: (204) [system] (:)='('
   Call: (204) [system] (:)='['
   Fail: (204) [system] (:)='['
   Call: (204) [system] (:)='{'
   Fail: (204) [system] (:)='{'
   Call: (204) [system] (:)='"'
   Fail: (204) [system] (:)='"'
   Call: (204) [system] (:)=!
   Fail: (204) [system] (:)=!
   Call: (204) [system] (:)='\''
   Fail: (204) [system] (:)='\''
   Call: (204) [system] (:)='`'
   Fail: (204) [system] (:)='`'
   Call: (204) [system] (:)=end_of_file
   Fail: (204) [system] (:)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x55772f068e50), :, _1381710)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1417220)
   Call: (206) [system] peek_char((0x55772f068e50), _1418154)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1417220=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (205) [user] classify_and_convert_charseq([:], _1381710)
^  Call: (206) [user] classify_and_convert_charseq_([:], _1427438)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1428390, _1428392), once(user:catch(read_from_chars([:], _1427438), _1428372, fail)), '$restore_trace'(_1428390, _1428392))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1428390, _1428392))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1428372, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(:)
   Exit: (207) [system] atomic(:)
^  Exit: (206) [user] classify_and_convert_charseq_([:], :)
   Call: (206) [system] integer(:)
   Fail: (206) [system] integer(:)
   Call: (206) [system] _1381710=(:)
   Exit: (206) [system] (:)=(:)
^  Exit: (205) [user] classify_and_convert_charseq([:], :)
^  Exit: (204) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (203) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (203) [user] read_list(')', (0x55772f068e50), _1440518)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1442376)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x55772f068e50), _1451970)
   Exit: (205) [system] get_char((0x55772f068e50), ' ')
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1454674)
   Exit: (206) [system] peek_char((0x55772f068e50), $)
   Call: (206) [system] ($)=(;)
   Fail: (206) [system] ($)=(;)
   Call: (206) [system] ($)=(/)
   Fail: (206) [system] ($)=(/)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Fail: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Fail: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Fail: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
   Fail: (207) [system] char_type($, cntrl)
^  Fail: (206) [user] is_like_space($)
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1471608)
   Exit: (204) [system] peek_char((0x55772f068e50), $)
   Call: (204) [system] ($)=')'
   Fail: (204) [system] ($)=')'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x55772f068e50), _1477178)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1479036)
   Exit: (206) [system] peek_char((0x55772f068e50), $)
   Call: (206) [system] ($)=(;)
   Fail: (206) [system] ($)=(;)
   Call: (206) [system] ($)=(/)
   Fail: (206) [system] ($)=(/)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Fail: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Fail: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Fail: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
   Fail: (207) [system] char_type($, cntrl)
^  Fail: (206) [user] is_like_space($)
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] get_char((0x55772f068e50), _1495046)
   Exit: (205) [system] get_char((0x55772f068e50), $)
   Call: (205) [system] ($)='('
   Fail: (205) [system] ($)='('
   Call: (205) [system] ($)='['
   Fail: (205) [system] ($)='['
   Call: (205) [system] ($)='{'
   Fail: (205) [system] ($)='{'
   Call: (205) [system] ($)='"'
   Fail: (205) [system] ($)='"'
   Call: (205) [system] ($)=!
   Fail: (205) [system] ($)=!
   Call: (205) [system] ($)='\''
   Fail: (205) [system] ($)='\''
   Call: (205) [system] ($)='`'
   Fail: (205) [system] ($)='`'
   Call: (205) [system] ($)=end_of_file
   Fail: (205) [system] ($)=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x55772f068e50), $, _1477178)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1512688)
   Call: (207) [system] peek_char((0x55772f068e50), _1513622)
   Exit: (207) [system] peek_char((0x55772f068e50), p)
^  Call: (207) [user] is_delimiter(p)
   Call: (208) [system] char_type(p, space)
   Fail: (208) [system] char_type(p, space)
   Call: (208) [system] arg(_1518342, v('(', ')', end_of_file), p)
   Fail: (208) [system] arg(_1519274, v('(', ')', end_of_file), p)
^  Fail: (207) [user] is_delimiter(p)
   Call: (207) [system] ')'==p
   Fail: (207) [system] ')'==p
   Call: (207) [system] get_char((0x55772f068e50), p)
   Exit: (207) [system] get_char((0x55772f068e50), p)
   Call: (207) [system] p=(\)
   Fail: (207) [system] p=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1526624)
   Call: (208) [system] peek_char((0x55772f068e50), _1527558)
   Exit: (208) [system] peek_char((0x55772f068e50), r)
^  Call: (208) [user] is_delimiter(r)
   Call: (209) [system] char_type(r, space)
   Fail: (209) [system] char_type(r, space)
   Call: (209) [system] arg(_1532278, v('(', ')', end_of_file), r)
   Fail: (209) [system] arg(_1533210, v('(', ')', end_of_file), r)
^  Fail: (208) [user] is_delimiter(r)
   Call: (208) [system] ')'==r
   Fail: (208) [system] ')'==r
   Call: (208) [system] get_char((0x55772f068e50), r)
   Exit: (208) [system] get_char((0x55772f068e50), r)
   Call: (208) [system] r=(\)
   Fail: (208) [system] r=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1540560)
   Call: (209) [system] peek_char((0x55772f068e50), _1541494)
   Exit: (209) [system] peek_char((0x55772f068e50), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_1546214, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_1547146, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x55772f068e50), o)
   Exit: (209) [system] get_char((0x55772f068e50), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1554496)
   Call: (210) [system] peek_char((0x55772f068e50), _1555430)
   Exit: (210) [system] peek_char((0x55772f068e50), o)
^  Call: (210) [user] is_delimiter(o)
   Call: (211) [system] char_type(o, space)
   Fail: (211) [system] char_type(o, space)
   Call: (211) [system] arg(_1560150, v('(', ')', end_of_file), o)
   Fail: (211) [system] arg(_1561082, v('(', ')', end_of_file), o)
^  Fail: (210) [user] is_delimiter(o)
   Call: (210) [system] ')'==o
   Fail: (210) [system] ')'==o
   Call: (210) [system] get_char((0x55772f068e50), o)
   Exit: (210) [system] get_char((0x55772f068e50), o)
   Call: (210) [system] o=(\)
   Fail: (210) [system] o=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1568432)
   Call: (211) [system] peek_char((0x55772f068e50), _1569366)
   Exit: (211) [system] peek_char((0x55772f068e50), f)
^  Call: (211) [user] is_delimiter(f)
   Call: (212) [system] char_type(f, space)
   Fail: (212) [system] char_type(f, space)
   Call: (212) [system] arg(_1574086, v('(', ')', end_of_file), f)
   Fail: (212) [system] arg(_1575018, v('(', ')', end_of_file), f)
^  Fail: (211) [user] is_delimiter(f)
   Call: (211) [system] ')'==f
   Fail: (211) [system] ')'==f
   Call: (211) [system] get_char((0x55772f068e50), f)
   Exit: (211) [system] get_char((0x55772f068e50), f)
   Call: (211) [system] f=(\)
   Fail: (211) [system] f=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1582368)
   Call: (212) [system] peek_char((0x55772f068e50), _1583302)
   Exit: (212) [system] peek_char((0x55772f068e50), '5')
^  Call: (212) [user] is_delimiter('5')
   Call: (213) [system] char_type('5', space)
   Fail: (213) [system] char_type('5', space)
   Call: (213) [system] arg(_1588022, v('(', ')', end_of_file), '5')
   Fail: (213) [system] arg(_1588954, v('(', ')', end_of_file), '5')
^  Fail: (212) [user] is_delimiter('5')
   Call: (212) [system] ')'=='5'
   Fail: (212) [system] ')'=='5'
   Call: (212) [system] get_char((0x55772f068e50), '5')
   Exit: (212) [system] get_char((0x55772f068e50), '5')
   Call: (212) [system] '5'=(\)
   Fail: (212) [system] '5'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1596304)
   Call: (213) [system] peek_char((0x55772f068e50), _1597238)
   Exit: (213) [system] peek_char((0x55772f068e50), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _1596304=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (212) [system] _1582368=['5']
   Exit: (212) [system] ['5']=['5']
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), ['5'])
   Call: (211) [system] _1568432=[f, '5']
   Exit: (211) [system] [f, '5']=[f, '5']
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [f, '5'])
   Call: (210) [system] _1554496=[o, f, '5']
   Exit: (210) [system] [o, f, '5']=[o, f, '5']
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [o, f, '5'])
   Call: (209) [system] _1540560=[o, o, f, '5']
   Exit: (209) [system] [o, o, f, '5']=[o, o, f, '5']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [o, o, f, '5'])
   Call: (208) [system] _1526624=[r, o, o, f, '5']
   Exit: (208) [system] [r, o, o, f, '5']=[r, o, o, f, '5']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, o, f, '5'])
   Call: (207) [system] _1512688=[p, r, o, o, f, '5']
   Exit: (207) [system] [p, r, o, o, f, '5']=[p, r, o, o, f, '5']
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, o, o, f, '5'])
^  Call: (206) [user] classify_and_convert_charseq([$, p, r, o, o, f, '5'], _1477178)
^  Call: (207) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '5'], _1623286)
   Call: (208) [system] atom_chars(_1624218, ['_', p, r, o, o, f, '5'])
   Exit: (208) [system] atom_chars('_proof5', ['_', p, r, o, o, f, '5'])
^  Exit: (207) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '5'], _proof5)
   Call: (207) [system] integer(_proof5)
   Fail: (207) [system] integer(_proof5)
   Call: (207) [system] _1477178=_proof5
   Exit: (207) [system] _proof5=_proof5
^  Exit: (206) [user] classify_and_convert_charseq([$, p, r, o, o, f, '5'], _proof5)
^  Exit: (205) [user] read_symbolic(')', (0x55772f068e50), $, _proof5)
^  Exit: (204) [user] cont_sexpr(')', (0x55772f068e50), _proof5)
^  Call: (204) [user] read_list(')', (0x55772f068e50), _1633510)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1635368)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x55772f068e50), _1644962)
   Exit: (206) [system] get_char((0x55772f068e50), ' ')
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1647666)
   Exit: (207) [system] peek_char((0x55772f068e50), $)
   Call: (207) [system] ($)=(;)
   Fail: (207) [system] ($)=(;)
   Call: (207) [system] ($)=(/)
   Fail: (207) [system] ($)=(/)
^  Call: (207) [user] is_like_space($)
   Call: (208) [system] char_type($, 'white')
   Fail: (208) [system] char_type($, 'white')
   Call: (208) [system] char_type($, end_of_line)
   Fail: (208) [system] char_type($, end_of_line)
   Call: (208) [system] char_type($, space)
   Fail: (208) [system] char_type($, space)
   Call: (208) [system] char_type($, cntrl)
   Fail: (208) [system] char_type($, cntrl)
^  Fail: (207) [user] is_like_space($)
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1664600)
   Exit: (205) [system] peek_char((0x55772f068e50), $)
   Call: (205) [system] ($)=')'
   Fail: (205) [system] ($)=')'
   Call: (205) [system] ($)=end_of_file
   Fail: (205) [system] ($)=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x55772f068e50), _1670170)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1672028)
   Exit: (207) [system] peek_char((0x55772f068e50), $)
   Call: (207) [system] ($)=(;)
   Fail: (207) [system] ($)=(;)
   Call: (207) [system] ($)=(/)
   Fail: (207) [system] ($)=(/)
^  Call: (207) [user] is_like_space($)
   Call: (208) [system] char_type($, 'white')
   Fail: (208) [system] char_type($, 'white')
   Call: (208) [system] char_type($, end_of_line)
   Fail: (208) [system] char_type($, end_of_line)
   Call: (208) [system] char_type($, space)
   Fail: (208) [system] char_type($, space)
   Call: (208) [system] char_type($, cntrl)
   Fail: (208) [system] char_type($, cntrl)
^  Fail: (207) [user] is_like_space($)
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] get_char((0x55772f068e50), _1688038)
   Exit: (206) [system] get_char((0x55772f068e50), $)
   Call: (206) [system] ($)='('
   Fail: (206) [system] ($)='('
   Call: (206) [system] ($)='['
   Fail: (206) [system] ($)='['
   Call: (206) [system] ($)='{'
   Fail: (206) [system] ($)='{'
   Call: (206) [system] ($)='"'
   Fail: (206) [system] ($)='"'
   Call: (206) [system] ($)=!
   Fail: (206) [system] ($)=!
   Call: (206) [system] ($)='\''
   Fail: (206) [system] ($)='\''
   Call: (206) [system] ($)='`'
   Fail: (206) [system] ($)='`'
   Call: (206) [system] ($)=end_of_file
   Fail: (206) [system] ($)=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x55772f068e50), $, _1670170)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1705680)
   Call: (208) [system] peek_char((0x55772f068e50), _1706614)
   Exit: (208) [system] peek_char((0x55772f068e50), p)
^  Call: (208) [user] is_delimiter(p)
   Call: (209) [system] char_type(p, space)
   Fail: (209) [system] char_type(p, space)
   Call: (209) [system] arg(_1711334, v('(', ')', end_of_file), p)
   Fail: (209) [system] arg(_1712266, v('(', ')', end_of_file), p)
^  Fail: (208) [user] is_delimiter(p)
   Call: (208) [system] ')'==p
   Fail: (208) [system] ')'==p
   Call: (208) [system] get_char((0x55772f068e50), p)
   Exit: (208) [system] get_char((0x55772f068e50), p)
   Call: (208) [system] p=(\)
   Fail: (208) [system] p=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1719616)
   Call: (209) [system] peek_char((0x55772f068e50), _1720550)
   Exit: (209) [system] peek_char((0x55772f068e50), r)
^  Call: (209) [user] is_delimiter(r)
   Call: (210) [system] char_type(r, space)
   Fail: (210) [system] char_type(r, space)
   Call: (210) [system] arg(_1725270, v('(', ')', end_of_file), r)
   Fail: (210) [system] arg(_1726202, v('(', ')', end_of_file), r)
^  Fail: (209) [user] is_delimiter(r)
   Call: (209) [system] ')'==r
   Fail: (209) [system] ')'==r
   Call: (209) [system] get_char((0x55772f068e50), r)
   Exit: (209) [system] get_char((0x55772f068e50), r)
   Call: (209) [system] r=(\)
   Fail: (209) [system] r=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1733552)
   Call: (210) [system] peek_char((0x55772f068e50), _1734486)
   Exit: (210) [system] peek_char((0x55772f068e50), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_1739206, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_1740138, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x55772f068e50), e)
   Exit: (210) [system] get_char((0x55772f068e50), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1747488)
   Call: (211) [system] peek_char((0x55772f068e50), _1748422)
   Exit: (211) [system] peek_char((0x55772f068e50), m)
^  Call: (211) [user] is_delimiter(m)
   Call: (212) [system] char_type(m, space)
   Fail: (212) [system] char_type(m, space)
   Call: (212) [system] arg(_1753142, v('(', ')', end_of_file), m)
   Fail: (212) [system] arg(_1754074, v('(', ')', end_of_file), m)
^  Fail: (211) [user] is_delimiter(m)
   Call: (211) [system] ')'==m
   Fail: (211) [system] ')'==m
   Call: (211) [system] get_char((0x55772f068e50), m)
   Exit: (211) [system] get_char((0x55772f068e50), m)
   Call: (211) [system] m=(\)
   Fail: (211) [system] m=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1761424)
   Call: (212) [system] peek_char((0x55772f068e50), _1762358)
   Exit: (212) [system] peek_char((0x55772f068e50), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1767078, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_1768010, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x55772f068e50), i)
   Exit: (212) [system] get_char((0x55772f068e50), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1775360)
   Call: (213) [system] peek_char((0x55772f068e50), _1776294)
   Exit: (213) [system] peek_char((0x55772f068e50), s)
^  Call: (213) [user] is_delimiter(s)
   Call: (214) [system] char_type(s, space)
   Fail: (214) [system] char_type(s, space)
   Call: (214) [system] arg(_1781014, v('(', ')', end_of_file), s)
   Fail: (214) [system] arg(_1781946, v('(', ')', end_of_file), s)
^  Fail: (213) [user] is_delimiter(s)
   Call: (213) [system] ')'==s
   Fail: (213) [system] ')'==s
   Call: (213) [system] get_char((0x55772f068e50), s)
   Exit: (213) [system] get_char((0x55772f068e50), s)
   Call: (213) [system] s=(\)
   Fail: (213) [system] s=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1789296)
   Call: (214) [system] peek_char((0x55772f068e50), _1790230)
   Exit: (214) [system] peek_char((0x55772f068e50), e)
^  Call: (214) [user] is_delimiter(e)
   Call: (215) [system] char_type(e, space)
   Fail: (215) [system] char_type(e, space)
   Call: (215) [system] arg(_1794950, v('(', ')', end_of_file), e)
   Fail: (215) [system] arg(_1795882, v('(', ')', end_of_file), e)
^  Fail: (214) [user] is_delimiter(e)
   Call: (214) [system] ')'==e
   Fail: (214) [system] ')'==e
   Call: (214) [system] get_char((0x55772f068e50), e)
   Exit: (214) [system] get_char((0x55772f068e50), e)
   Call: (214) [system] e=(\)
   Fail: (214) [system] e=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1803232)
   Call: (215) [system] peek_char((0x55772f068e50), _1804166)
   Exit: (215) [system] peek_char((0x55772f068e50), '5')
^  Call: (215) [user] is_delimiter('5')
   Call: (216) [system] char_type('5', space)
   Fail: (216) [system] char_type('5', space)
   Call: (216) [system] arg(_1808886, v('(', ')', end_of_file), '5')
   Fail: (216) [system] arg(_1809818, v('(', ')', end_of_file), '5')
^  Fail: (215) [user] is_delimiter('5')
   Call: (215) [system] ')'=='5'
   Fail: (215) [system] ')'=='5'
   Call: (215) [system] get_char((0x55772f068e50), '5')
   Exit: (215) [system] get_char((0x55772f068e50), '5')
   Call: (215) [system] '5'=(\)
   Fail: (215) [system] '5'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1817168)
   Call: (216) [system] peek_char((0x55772f068e50), _1818102)
   Exit: (216) [system] peek_char((0x55772f068e50), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_1822822, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _1817168=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (215) [system] _1803232=['5']
   Exit: (215) [system] ['5']=['5']
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), ['5'])
   Call: (214) [system] _1789296=[e, '5']
   Exit: (214) [system] [e, '5']=[e, '5']
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [e, '5'])
   Call: (213) [system] _1775360=[s, e, '5']
   Exit: (213) [system] [s, e, '5']=[s, e, '5']
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, '5'])
   Call: (212) [system] _1761424=[i, s, e, '5']
   Exit: (212) [system] [i, s, e, '5']=[i, s, e, '5']
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, e, '5'])
   Call: (211) [system] _1747488=[m, i, s, e, '5']
   Exit: (211) [system] [m, i, s, e, '5']=[m, i, s, e, '5']
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, s, e, '5'])
   Call: (210) [system] _1733552=[e, m, i, s, e, '5']
   Exit: (210) [system] [e, m, i, s, e, '5']=[e, m, i, s, e, '5']
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [e, m, i, s, e, '5'])
   Call: (209) [system] _1719616=[r, e, m, i, s, e, '5']
   Exit: (209) [system] [r, e, m, i, s, e, '5']=[r, e, m, i, s, e, '5']
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [r, e, m, i, s, e, '5'])
   Call: (208) [system] _1705680=[p, r, e, m, i, s, e, '5']
   Exit: (208) [system] [p, r, e, m, i, s, e, '5']=[p, r, e, m, i, s, e, '5']
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [p, r, e, m, i, s, e, '5'])
^  Call: (207) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '5'], _1670170)
^  Call: (208) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '5'], _1851610)
   Call: (209) [system] atom_chars(_1852542, ['_', p, r, e, m, i, s, e, '5'])
   Exit: (209) [system] atom_chars('_premise5', ['_', p, r, e, m, i, s, e, '5'])
^  Exit: (208) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '5'], _premise5)
   Call: (208) [system] integer(_premise5)
   Fail: (208) [system] integer(_premise5)
   Call: (208) [system] _1670170=_premise5
   Exit: (208) [system] _premise5=_premise5
^  Exit: (207) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '5'], _premise5)
^  Exit: (206) [user] read_symbolic(')', (0x55772f068e50), $, _premise5)
^  Exit: (205) [user] cont_sexpr(')', (0x55772f068e50), _premise5)
^  Call: (205) [user] read_list(')', (0x55772f068e50), _1861834)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1863692)
   Exit: (207) [system] peek_char((0x55772f068e50), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
   Call: (207) [system] ')'=(/)
   Fail: (207) [system] ')'=(/)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1879702)
   Exit: (206) [system] peek_char((0x55772f068e50), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x55772f068e50), _1883492)
   Exit: (206) [system] get_char((0x55772f068e50), ')')
   Call: (206) [system] _1861834=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x55772f068e50), [])
   Call: (205) [system] _1633510=[_premise5]
   Exit: (205) [system] [_premise5]=[_premise5]
^  Exit: (204) [user] read_list(')', (0x55772f068e50), [_premise5])
   Call: (204) [system] _1440518=[_proof5, _premise5]
   Exit: (204) [system] [_proof5, _premise5]=[_proof5, _premise5]
^  Exit: (203) [user] read_list(')', (0x55772f068e50), [_proof5, _premise5])
   Call: (203) [system] _1336692=[:, _proof5, _premise5]
   Exit: (203) [system] [:, _proof5, _premise5]=[:, _proof5, _premise5]
^  Exit: (202) [user] read_list(')', (0x55772f068e50), [:, _proof5, _premise5])
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), [:, _proof5, _premise5])
^  Call: (201) [user] read_list(')', (0x55772f068e50), _1897374)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1899232)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _1908826)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1911530)
   Exit: (204) [system] peek_char((0x55772f068e50), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1928464)
   Exit: (202) [system] peek_char((0x55772f068e50), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x55772f068e50), _1934034)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1935892)
   Exit: (204) [system] peek_char((0x55772f068e50), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] get_char((0x55772f068e50), _1951902)
   Exit: (203) [system] get_char((0x55772f068e50), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x55772f068e50), $, _1934034)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1969544)
   Call: (205) [system] peek_char((0x55772f068e50), _1970478)
   Exit: (205) [system] peek_char((0x55772f068e50), k)
^  Call: (205) [user] is_delimiter(k)
   Call: (206) [system] char_type(k, space)
   Fail: (206) [system] char_type(k, space)
   Call: (206) [system] arg(_1975198, v('(', ')', end_of_file), k)
   Fail: (206) [system] arg(_1976130, v('(', ')', end_of_file), k)
^  Fail: (205) [user] is_delimiter(k)
   Call: (205) [system] ')'==k
   Fail: (205) [system] ')'==k
   Call: (205) [system] get_char((0x55772f068e50), k)
   Exit: (205) [system] get_char((0x55772f068e50), k)
   Call: (205) [system] k=(\)
   Fail: (205) [system] k=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1983480)
   Call: (206) [system] peek_char((0x55772f068e50), _1984414)
   Exit: (206) [system] peek_char((0x55772f068e50), b)
^  Call: (206) [user] is_delimiter(b)
   Call: (207) [system] char_type(b, space)
   Fail: (207) [system] char_type(b, space)
   Call: (207) [system] arg(_1989134, v('(', ')', end_of_file), b)
   Fail: (207) [system] arg(_1990066, v('(', ')', end_of_file), b)
^  Fail: (206) [user] is_delimiter(b)
   Call: (206) [system] ')'==b
   Fail: (206) [system] ')'==b
   Call: (206) [system] get_char((0x55772f068e50), b)
   Exit: (206) [system] get_char((0x55772f068e50), b)
   Call: (206) [system] b=(\)
   Fail: (206) [system] b=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1997416)
   Call: (207) [system] peek_char((0x55772f068e50), _1998350)
   Exit: (207) [system] peek_char((0x55772f068e50), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1997416=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (206) [system] _1983480=[b]
   Exit: (206) [system] [b]=[b]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (205) [system] _1969544=[k, b]
   Exit: (205) [system] [k, b]=[k, b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [k, b])
^  Call: (204) [user] classify_and_convert_charseq([$, k, b], _1934034)
^  Call: (205) [user] classify_and_convert_charseq_([$, k, b], _2013222)
   Call: (206) [system] atom_chars(_2014154, ['_', k, b])
   Exit: (206) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (205) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (205) [system] integer(_kb)
   Fail: (205) [system] integer(_kb)
   Call: (205) [system] _1934034=_kb
   Exit: (205) [system] _kb=_kb
^  Exit: (204) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (203) [user] read_symbolic(')', (0x55772f068e50), $, _kb)
^  Exit: (202) [user] cont_sexpr(')', (0x55772f068e50), _kb)
^  Call: (202) [user] read_list(')', (0x55772f068e50), _2023446)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _2025304)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x55772f068e50), _2034898)
   Exit: (204) [system] get_char((0x55772f068e50), ' ')
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _2037602)
   Exit: (205) [system] peek_char((0x55772f068e50), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _2054536)
   Exit: (203) [system] peek_char((0x55772f068e50), $)
   Call: (203) [system] ($)=')'
   Fail: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x55772f068e50), _2060106)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _2061964)
   Exit: (205) [system] peek_char((0x55772f068e50), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] get_char((0x55772f068e50), _2077974)
   Exit: (204) [system] get_char((0x55772f068e50), $)
   Call: (204) [system] ($)='('
   Fail: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Fail: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Fail: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Fail: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Fail: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Fail: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Fail: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x55772f068e50), $, _2060106)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _2095616)
   Call: (206) [system] peek_char((0x55772f068e50), _4216)
   Exit: (206) [system] peek_char((0x55772f068e50), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_8678, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_9610, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x55772f068e50), r)
   Exit: (206) [system] get_char((0x55772f068e50), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _16960)
   Call: (207) [system] peek_char((0x55772f068e50), _17894)
   Exit: (207) [system] peek_char((0x55772f068e50), b)
^  Call: (207) [user] is_delimiter(b)
   Call: (208) [system] char_type(b, space)
   Fail: (208) [system] char_type(b, space)
   Call: (208) [system] arg(_22614, v('(', ')', end_of_file), b)
   Fail: (208) [system] arg(_23546, v('(', ')', end_of_file), b)
^  Fail: (207) [user] is_delimiter(b)
   Call: (207) [system] ')'==b
   Fail: (207) [system] ')'==b
   Call: (207) [system] get_char((0x55772f068e50), b)
   Exit: (207) [system] get_char((0x55772f068e50), b)
   Call: (207) [system] b=(\)
   Fail: (207) [system] b=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _30896)
   Call: (208) [system] peek_char((0x55772f068e50), _31830)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _30896=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (207) [system] _16960=[b]
   Exit: (207) [system] [b]=[b]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
   Call: (206) [system] _4212=[r, b]
   Exit: (206) [system] [r, b]=[r, b]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [r, b])
^  Call: (205) [user] classify_and_convert_charseq([$, r, b], _4208)
^  Call: (206) [user] classify_and_convert_charseq_([$, r, b], _46702)
   Call: (207) [system] atom_chars(_47634, ['_', r, b])
   Exit: (207) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (206) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (206) [system] integer(_rb)
   Fail: (206) [system] integer(_rb)
   Call: (206) [system] _4208=_rb
   Exit: (206) [system] _rb=_rb
^  Exit: (205) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (204) [user] read_symbolic(')', (0x55772f068e50), $, _rb)
^  Exit: (203) [user] cont_sexpr(')', (0x55772f068e50), _rb)
^  Call: (203) [user] read_list(')', (0x55772f068e50), _56926)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _58784)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x55772f068e50), _68378)
   Exit: (205) [system] get_char((0x55772f068e50), ' ')
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _71082)
   Exit: (206) [system] peek_char((0x55772f068e50), $)
   Call: (206) [system] ($)=(;)
   Fail: (206) [system] ($)=(;)
   Call: (206) [system] ($)=(/)
   Fail: (206) [system] ($)=(/)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Fail: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Fail: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Fail: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
   Fail: (207) [system] char_type($, cntrl)
^  Fail: (206) [user] is_like_space($)
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _88016)
   Exit: (204) [system] peek_char((0x55772f068e50), $)
   Call: (204) [system] ($)=')'
   Fail: (204) [system] ($)=')'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x55772f068e50), _93586)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _95444)
   Exit: (206) [system] peek_char((0x55772f068e50), $)
   Call: (206) [system] ($)=(;)
   Fail: (206) [system] ($)=(;)
   Call: (206) [system] ($)=(/)
   Fail: (206) [system] ($)=(/)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Fail: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Fail: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Fail: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
   Fail: (207) [system] char_type($, cntrl)
^  Fail: (206) [user] is_like_space($)
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] get_char((0x55772f068e50), _111454)
   Exit: (205) [system] get_char((0x55772f068e50), $)
   Call: (205) [system] ($)='('
   Fail: (205) [system] ($)='('
   Call: (205) [system] ($)='['
   Fail: (205) [system] ($)='['
   Call: (205) [system] ($)='{'
   Fail: (205) [system] ($)='{'
   Call: (205) [system] ($)='"'
   Fail: (205) [system] ($)='"'
   Call: (205) [system] ($)=!
   Fail: (205) [system] ($)=!
   Call: (205) [system] ($)='\''
   Fail: (205) [system] ($)='\''
   Call: (205) [system] ($)='`'
   Fail: (205) [system] ($)='`'
   Call: (205) [system] ($)=end_of_file
   Fail: (205) [system] ($)=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x55772f068e50), $, _93586)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _129096)
   Call: (207) [system] peek_char((0x55772f068e50), _130030)
   Exit: (207) [system] peek_char((0x55772f068e50), k)
^  Call: (207) [user] is_delimiter(k)
   Call: (208) [system] char_type(k, space)
   Fail: (208) [system] char_type(k, space)
   Call: (208) [system] arg(_134750, v('(', ')', end_of_file), k)
   Fail: (208) [system] arg(_135682, v('(', ')', end_of_file), k)
^  Fail: (207) [user] is_delimiter(k)
   Call: (207) [system] ')'==k
   Fail: (207) [system] ')'==k
   Call: (207) [system] get_char((0x55772f068e50), k)
   Exit: (207) [system] get_char((0x55772f068e50), k)
   Call: (207) [system] k=(\)
   Fail: (207) [system] k=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _143032)
   Call: (208) [system] peek_char((0x55772f068e50), _143966)
   Exit: (208) [system] peek_char((0x55772f068e50), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_148686, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _143032=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (207) [system] _129096=[k]
   Exit: (207) [system] [k]=[k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
^  Call: (206) [user] classify_and_convert_charseq([$, k], _93586)
^  Call: (207) [user] classify_and_convert_charseq_([$, k], _157916)
   Call: (208) [system] atom_chars(_158848, ['_', k])
   Exit: (208) [system] atom_chars('_k', ['_', k])
^  Exit: (207) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (207) [system] integer(_k)
   Fail: (207) [system] integer(_k)
   Call: (207) [system] _93586=_k
   Exit: (207) [system] _k=_k
^  Exit: (206) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (205) [user] read_symbolic(')', (0x55772f068e50), $, _k)
^  Exit: (204) [user] cont_sexpr(')', (0x55772f068e50), _k)
^  Call: (204) [user] read_list(')', (0x55772f068e50), _168140)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _169998)
   Exit: (206) [system] peek_char((0x55772f068e50), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
   Call: (206) [system] ')'=(/)
   Fail: (206) [system] ')'=(/)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _186008)
   Exit: (205) [system] peek_char((0x55772f068e50), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x55772f068e50), _189798)
   Exit: (205) [system] get_char((0x55772f068e50), ')')
   Call: (205) [system] _168140=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x55772f068e50), [])
   Call: (204) [system] _56926=[_k]
   Exit: (204) [system] [_k]=[_k]
^  Exit: (203) [user] read_list(')', (0x55772f068e50), [_k])
   Call: (203) [system] _4204=[_rb, _k]
   Exit: (203) [system] [_rb, _k]=[_rb, _k]
^  Exit: (202) [user] read_list(')', (0x55772f068e50), [_rb, _k])
   Call: (202) [system] _4194=[_kb, _rb, _k]
   Exit: (202) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [_kb, _rb, _k])
   Call: (201) [system] _4162=[[:, _proof5, _premise5], _kb, _rb, _k]
   Exit: (201) [system] [[:, _proof5, _premise5], _kb, _rb, _k]=[[:, _proof5, _premise5], _kb, _rb, _k]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [[:, _proof5, _premise5], _kb, _rb, _k])
   Call: (200) [system] _4154=[synthesize, [:, _proof5, _premise5], _kb, _rb, _k]
   Exit: (200) [system] [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]=[synthesize, [:, _proof5, _premise5], _kb, _rb, _k]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [synthesize, [:, _proof5, _premise5], _kb, _rb, _k])
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), [synthesize, [:, _proof5, _premise5], _kb, _rb, _k])
^  Call: (198) [user] read_list(')', (0x55772f068e50), _209268)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _211126)
   Exit: (200) [system] peek_char((0x55772f068e50), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
   Call: (200) [system] ')'=(/)
   Fail: (200) [system] ')'=(/)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _227136)
   Exit: (199) [system] peek_char((0x55772f068e50), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x55772f068e50), _230926)
   Exit: (199) [system] get_char((0x55772f068e50), ')')
   Call: (199) [system] _209268=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [])
   Call: (198) [system] _4150=[[synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]
   Exit: (198) [system] [[synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]=[[synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [[synthesize, [:, _proof5, _premise5], _kb, _rb, _k]])
   Call: (197) [system] _4116=[[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]
   Exit: (197) [system] [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]=[[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]])
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]])
^  Call: (195) [user] read_list(')', (0x55772f068e50), _242014)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _243872)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _259882)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x55772f068e50), _263672)
   Exit: (196) [system] get_char((0x55772f068e50), ')')
   Call: (196) [system] _242014=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [])
   Call: (195) [system] _4112=[[[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
   Exit: (195) [system] [[[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]=[[[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [[[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
   Call: (194) [system] _4000=[[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
   Exit: (194) [system] [[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]=[[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
   Call: (193) [system] _3888=[[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
   Exit: (193) [system] [[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]=[[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
   Call: (192) [system] _3776=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
   Exit: (192) [system] [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
   Call: (191) [system] _3664=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
   Exit: (191) [system] [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
^  Exit: (190) [user] read_list(')', (0x55772f068e50), [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
   Call: (190) [system] _3560=[[[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
   Exit: (190) [system] [[[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]=[[[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
^  Exit: (189) [user] read_list(')', (0x55772f068e50), [[[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
   Call: (189) [system] _3442=[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
   Exit: (189) [system] [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]=[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
^  Exit: (187) [user] cont_sexpr(')', (0x55772f068e50), [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
^  Call: (187) [user] read_list(')', (0x55772f068e50), _288730)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _290588)
   Exit: (189) [system] peek_char((0x55772f068e50), '\n')
   Call: (189) [system] '\n'=(;)
   Fail: (189) [system] '\n'=(;)
   Call: (189) [system] '\n'=(/)
   Fail: (189) [system] '\n'=(/)
^  Call: (189) [user] is_like_space('\n')
   Call: (190) [system] char_type('\n', 'white')
   Fail: (190) [system] char_type('\n', 'white')
   Call: (190) [system] char_type('\n', end_of_line)
   Exit: (190) [system] char_type('\n', end_of_line)
^  Exit: (189) [user] is_like_space('\n')
   Call: (189) [system] get_char((0x55772f068e50), _302038)
   Exit: (189) [system] get_char((0x55772f068e50), '\n')
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _304742)
   Exit: (190) [system] peek_char((0x55772f068e50), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x55772f068e50), _314336)
   Exit: (190) [system] get_char((0x55772f068e50), ' ')
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _317040)
   Exit: (191) [system] peek_char((0x55772f068e50), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x55772f068e50), _326634)
   Exit: (191) [system] get_char((0x55772f068e50), ' ')
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _329338)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x55772f068e50), _338932)
   Exit: (192) [system] get_char((0x55772f068e50), ' ')
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _341636)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _351230)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _353934)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _363528)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _366232)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _387786)
   Exit: (188) [system] peek_char((0x55772f068e50), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x55772f068e50), _393356)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _395214)
   Exit: (190) [system] peek_char((0x55772f068e50), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] get_char((0x55772f068e50), _411224)
   Exit: (189) [system] get_char((0x55772f068e50), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x55772f068e50), $, _393356)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _428866)
   Call: (191) [system] peek_char((0x55772f068e50), _429800)
   Exit: (191) [system] peek_char((0x55772f068e50), q)
^  Call: (191) [user] is_delimiter(q)
   Call: (192) [system] char_type(q, space)
   Fail: (192) [system] char_type(q, space)
   Call: (192) [system] arg(_434520, v('(', ')', end_of_file), q)
   Fail: (192) [system] arg(_435452, v('(', ')', end_of_file), q)
^  Fail: (191) [user] is_delimiter(q)
   Call: (191) [system] ')'==q
   Fail: (191) [system] ')'==q
   Call: (191) [system] get_char((0x55772f068e50), q)
   Exit: (191) [system] get_char((0x55772f068e50), q)
   Call: (191) [system] q=(\)
   Fail: (191) [system] q=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _442802)
   Call: (192) [system] peek_char((0x55772f068e50), _443736)
   Exit: (192) [system] peek_char((0x55772f068e50), u)
^  Call: (192) [user] is_delimiter(u)
   Call: (193) [system] char_type(u, space)
   Fail: (193) [system] char_type(u, space)
   Call: (193) [system] arg(_448456, v('(', ')', end_of_file), u)
   Fail: (193) [system] arg(_449388, v('(', ')', end_of_file), u)
^  Fail: (192) [user] is_delimiter(u)
   Call: (192) [system] ')'==u
   Fail: (192) [system] ')'==u
   Call: (192) [system] get_char((0x55772f068e50), u)
   Exit: (192) [system] get_char((0x55772f068e50), u)
   Call: (192) [system] u=(\)
   Fail: (192) [system] u=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _456738)
   Call: (193) [system] peek_char((0x55772f068e50), _457672)
   Exit: (193) [system] peek_char((0x55772f068e50), e)
^  Call: (193) [user] is_delimiter(e)
   Call: (194) [system] char_type(e, space)
   Fail: (194) [system] char_type(e, space)
   Call: (194) [system] arg(_462392, v('(', ')', end_of_file), e)
   Fail: (194) [system] arg(_463324, v('(', ')', end_of_file), e)
^  Fail: (193) [user] is_delimiter(e)
   Call: (193) [system] ')'==e
   Fail: (193) [system] ')'==e
   Call: (193) [system] get_char((0x55772f068e50), e)
   Exit: (193) [system] get_char((0x55772f068e50), e)
   Call: (193) [system] e=(\)
   Fail: (193) [system] e=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _470674)
   Call: (194) [system] peek_char((0x55772f068e50), _471608)
   Exit: (194) [system] peek_char((0x55772f068e50), r)
^  Call: (194) [user] is_delimiter(r)
   Call: (195) [system] char_type(r, space)
   Fail: (195) [system] char_type(r, space)
   Call: (195) [system] arg(_476328, v('(', ')', end_of_file), r)
   Fail: (195) [system] arg(_477260, v('(', ')', end_of_file), r)
^  Fail: (194) [user] is_delimiter(r)
   Call: (194) [system] ')'==r
   Fail: (194) [system] ')'==r
   Call: (194) [system] get_char((0x55772f068e50), r)
   Exit: (194) [system] get_char((0x55772f068e50), r)
   Call: (194) [system] r=(\)
   Fail: (194) [system] r=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _484610)
   Call: (195) [system] peek_char((0x55772f068e50), _485544)
   Exit: (195) [system] peek_char((0x55772f068e50), y)
^  Call: (195) [user] is_delimiter(y)
   Call: (196) [system] char_type(y, space)
   Fail: (196) [system] char_type(y, space)
   Call: (196) [system] arg(_490264, v('(', ')', end_of_file), y)
   Fail: (196) [system] arg(_491196, v('(', ')', end_of_file), y)
^  Fail: (195) [user] is_delimiter(y)
   Call: (195) [system] ')'==y
   Fail: (195) [system] ')'==y
   Call: (195) [system] get_char((0x55772f068e50), y)
   Exit: (195) [system] get_char((0x55772f068e50), y)
   Call: (195) [system] y=(\)
   Fail: (195) [system] y=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _498546)
   Call: (196) [system] peek_char((0x55772f068e50), _499480)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_504200, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _498546=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (195) [system] _484610=[y]
   Exit: (195) [system] [y]=[y]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [y])
   Call: (194) [system] _470674=[r, y]
   Exit: (194) [system] [r, y]=[r, y]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [r, y])
   Call: (193) [system] _456738=[e, r, y]
   Exit: (193) [system] [e, r, y]=[e, r, y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [e, r, y])
   Call: (192) [system] _442802=[u, e, r, y]
   Exit: (192) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [u, e, r, y])
   Call: (191) [system] _428866=[q, u, e, r, y]
   Exit: (191) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [q, u, e, r, y])
^  Call: (190) [user] classify_and_convert_charseq([$, q, u, e, r, y], _393356)
^  Call: (191) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _524606)
   Call: (192) [system] atom_chars(_525538, ['_', q, u, e, r, y])
   Exit: (192) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (191) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (191) [system] integer(_query)
   Fail: (191) [system] integer(_query)
   Call: (191) [system] _393356=_query
   Exit: (191) [system] _query=_query
^  Exit: (190) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (189) [user] read_symbolic(')', (0x55772f068e50), $, _query)
^  Exit: (188) [user] cont_sexpr(')', (0x55772f068e50), _query)
^  Call: (188) [user] read_list(')', (0x55772f068e50), _534830)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _536688)
   Exit: (190) [system] peek_char((0x55772f068e50), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _552698)
   Exit: (189) [system] peek_char((0x55772f068e50), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x55772f068e50), _556488)
   Exit: (189) [system] get_char((0x55772f068e50), ')')
   Call: (189) [system] _534830=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [])
   Call: (188) [system] _288730=[_query]
   Exit: (188) [system] [_query]=[_query]
^  Exit: (187) [user] read_list(')', (0x55772f068e50), [_query])
   Call: (187) [system] _3438=[[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]
   Exit: (187) [system] [[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]=[[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]
^  Exit: (186) [user] read_list(')', (0x55772f068e50), [[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query])
   Call: (186) [system] _3430=['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]
   Exit: (186) [system] ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]=['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query])
^  Exit: (184) [user] cont_sexpr(')', (0x55772f068e50), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query])
^  Call: (184) [user] read_list(')', (0x55772f068e50), _570370)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _572228)
   Exit: (186) [system] peek_char((0x55772f068e50), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _588238)
   Exit: (185) [system] peek_char((0x55772f068e50), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x55772f068e50), _592028)
   Exit: (185) [system] get_char((0x55772f068e50), ')')
   Call: (185) [system] _570370=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [])
   Call: (184) [system] _3426=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]
   Exit: (184) [system] [['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] read_list(')', (0x55772f068e50), [['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]])
   Call: (183) [system] _3362=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]
   Exit: (183) [system] [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]
^  Exit: (182) [user] read_list(')', (0x55772f068e50), [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]])
   Call: (182) [system] _3322=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]
   Exit: (182) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]
^  Exit: (181) [user] read_list(')', (0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]])
^  Exit: (180) [user] cont_sexpr(')', (0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]])
^  Exit: (179) [user] read_sexpr((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]])
^  Call: (179) [user] assertz(metta_file_comment(84, 0, 3401, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]], '$stream_position'(3401, 84, 0, 3401)))
^  Exit: (179) [user] assertz(metta_file_comment(84, 0, 3401, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]], '$stream_position'(3401, 84, 0, 3401)))
^  Exit: (177) [system] once(user:(read_position((0x55772f068e50), 84, 0, 3401, '$stream_position'(3401, 84, 0, 3401)), read_sexpr((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]), assertz(metta_file_comment(84, 0, 3401, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]], '$stream_position'(3401, 84, 0, 3401)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_610546, _610548, _610550, _610552, _610554))
^  Exit: (177) [user] retract(metta_file_comment(43, 0, 1404, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), '$stream_position'(1404, 43, 0, 1404)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), _613394))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), _613394)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), _613394)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), _616210))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), _616210))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), _616210)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), _619010))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), _619010)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), _619010)
   Call: (187) [system] var('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0))
   Call: (187) [system] atom('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0))
   Call: (187) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0)==true
   Call: (187) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0)==false
   Call: (187) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0)==[_625530, _625536]
   Call: (187) [system] is_list('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0))
   Call: (187) [system] string('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0))
   Call: (187) [system] compound('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0))
   Exit: (187) [system] compound('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), _630164, _630166)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), '$COMMENT', [";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0], _633906)
   Call: (188) [apply] apply:maplist_([";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0], _633906, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;      where premises and conclusion have the form (: TERM TYPE).", _635786)
   Call: (190) [system] var(";;      where premises and conclusion have the form (: TERM TYPE).")
   Call: (190) [system] atom(";;      where premises and conclusion have the form (: TERM TYPE).")
   Call: (190) [system] ";;      where premises and conclusion have the form (: TERM TYPE)."==true
   Call: (190) [system] ";;      where premises and conclusion have the form (: TERM TYPE)."==false
   Call: (190) [system] ";;      where premises and conclusion have the form (: TERM TYPE)."==[_640428, _640434]
   Call: (190) [system] is_list(";;      where premises and conclusion have the form (: TERM TYPE).")
   Call: (190) [system] string(";;      where premises and conclusion have the form (: TERM TYPE).")
   Exit: (190) [system] string(";;      where premises and conclusion have the form (: TERM TYPE).")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;      where premises and conclusion have the form (: TERM TYPE).")
^  Call: (190) [user] symbol(";;      where premises and conclusion have the form (: TERM TYPE).")
   Call: (191) [system] atom(";;      where premises and conclusion have the form (: TERM TYPE).")
   Fail: (191) [system] atom(";;      where premises and conclusion have the form (: TERM TYPE).")
^  Fail: (190) [user] symbol(";;      where premises and conclusion have the form (: TERM TYPE).")
   Call: (190) [system] ";;      where premises and conclusion have the form (: TERM TYPE)."=_635786
   Exit: (190) [system] ";;      where premises and conclusion have the form (: TERM TYPE)."=";;      where premises and conclusion have the form (: TERM TYPE)."
^  Exit: (189) [user] mfix_vars1(";;      where premises and conclusion have the form (: TERM TYPE).", ";;      where premises and conclusion have the form (: TERM TYPE).")
   Call: (189) [apply] apply:maplist_([43, 0], _635788, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(43, _654308)
   Call: (191) [system] var(43)
   Call: (191) [system] atom(43)
   Call: (191) [system] 43==true
   Call: (191) [system] 43==false
   Call: (191) [system] 43==[_658950, _658956]
   Call: (191) [system] is_list(43)
   Call: (191) [system] string(43)
   Call: (191) [system] compound(43)
^  Call: (191) [user] symbol(43)
   Call: (192) [system] atom(43)
   Fail: (192) [system] atom(43)
^  Fail: (191) [user] symbol(43)
   Call: (191) [system] 43=_654308
   Exit: (191) [system] 43=43
^  Exit: (190) [user] mfix_vars1(43, 43)
   Call: (190) [apply] apply:maplist_([0], _654310, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _670074)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_674716, _674722]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_670074
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _670076, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([43, 0], [43, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0], [";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0], [";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0])
   Call: (187) [system] compound_name_arguments(_619010, '$COMMENT', [";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), '$COMMENT', [";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0)))
   Call: (184) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0)\=@='$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), _698892))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), _698892))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), _698892)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), _701692))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), _701692)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), _701692)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0)))
   Call: (184) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0)\=@='$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), _613394))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), _613394))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), _613394)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), _715650))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), _715650)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), _715650)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0)))
   Call: (184) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0)\=@='$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0)))
   Call: (178) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0)\=@='$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0))
^  Exit: (171) [user] read_sform((0x55772f068e50), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0))
^  Exit: (170) [system] once(user:read_sform((0x55772f068e50), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x55772f068e50), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0)))
   Call: (169) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727481854.2066653), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481854.2066653), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0)), 83]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), me_synthesize_1727481849_9551582, 83)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727481854.2066653), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481854.2066653), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0)), 83]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727481857.9020147)
   Call: (173) [system] arg(1, t(1727481854.2066653), _3148)
   Exit: (173) [system] arg(1, t(1727481854.2066653), 1727481854.2066653)
   Call: (173) [system] _3158 is 1727481857.9020147-1727481854.2066653
   Exit: (173) [system] 3.6953494548797607 is 1727481857.9020147-1727481854.2066653
   Call: (173) [system] 3.6953494548797607>4
   Fail: (173) [system] 3.6953494548797607>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727481854.2066653), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481854.2066653), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0)), 83]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 9)
   Call: (175) [system] atom(9+1)
   Call: (175) [system] set_flag(translated_forms, 10)
   Exit: (175) [system] set_flag(translated_forms, 10)
   Exit: (174) [$syspreds] update_flag(translated_forms, 9, 9+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 9, 9+1))
   Exit: (171) [$syspreds] flag(translated_forms, 9, 9+1)
^  Call: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), me_synthesize_1727481849_9551582, 83)
^  Call: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";;      where premises and conclusion have the form (: TERM TYPE)."])
^  Exit: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";;      where premises and conclusion have the form (: TERM TYPE)."])
^  Exit: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), me_synthesize_1727481849_9551582, 83)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727481854.2066653), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481854.2066653), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0)), 83]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 9, 9+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 43, 0), me_synthesize_1727481849_9551582, 83)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x55772f068e50))
   Fail: (169) [system] at_end_of_stream((0x55772f068e50))
^  Call: (169) [user] must_det_ll(line_count((0x55772f068e50), _3074))
^  Call: (170) [user] once(user:line_count((0x55772f068e50), _3074))
   Call: (171) [system] line_count((0x55772f068e50), _3074)
   Exit: (171) [system] line_count((0x55772f068e50), 93)
^  Exit: (170) [system] once(user:line_count((0x55772f068e50), 93))
^  Exit: (169) [user] must_det_ll(user:line_count((0x55772f068e50), 93))
^  Call: (169) [user] must_det_ll(read_sform((0x55772f068e50), _3084))
^  Call: (170) [user] once(user:read_sform((0x55772f068e50), _3084))
^  Call: (171) [user] read_sform((0x55772f068e50), _3084)
   Call: (172) [system] string((0x55772f068e50))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (173) [system] string((0x55772f068e50))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (174) [system] at_end_of_stream((0x55772f068e50))
   Call: (174) [system] peek_char((0x55772f068e50), _790434)
   Exit: (174) [system] peek_char((0x55772f068e50), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x55772f068e50), '\n')
   Exit: (174) [system] get_char((0x55772f068e50), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), _3084)
   Call: (175) [system] at_end_of_stream((0x55772f068e50))
   Call: (175) [system] peek_char((0x55772f068e50), _797856)
   Exit: (175) [system] peek_char((0x55772f068e50), '\n')
   Call: (175) [system] char_type('\n', space)
   Exit: (175) [system] char_type('\n', space)
   Call: (175) [system] get_char((0x55772f068e50), '\n')
   Exit: (175) [system] get_char((0x55772f068e50), '\n')
^  Call: (175) [user] parse_sexpr_metta_IO((0x55772f068e50), _3084)
   Call: (176) [system] at_end_of_stream((0x55772f068e50))
   Call: (176) [system] peek_char((0x55772f068e50), _805278)
   Exit: (176) [system] peek_char((0x55772f068e50), '(')
   Call: (176) [system] char_type('(', space)
^  Call: (176) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (177) [system] string((0x55772f068e50))
^  Exit: (176) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (176) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (177) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (178) [system] at_end_of_stream((0x55772f068e50))
   Call: (178) [system] peek_char((0x55772f068e50), _813616)
   Exit: (178) [system] peek_char((0x55772f068e50), '(')
   Call: (178) [system] char_type('(', space)
   Call: (178) [system] _816402=(0x55772f068e50)
   Exit: (178) [system] (0x55772f068e50)=(0x55772f068e50)
^  Call: (178) [user] once((read_position((0x55772f068e50), _818270, _818272, _818274, _818276), read_sexpr((0x55772f068e50), _818288), assertz(metta_file_comment(_818270, _818272, _818274, _818288, _818276))))
^  Call: (180) [user] read_position((0x55772f068e50), _818270, _818272, _818274, _818276)
   Call: (181) [system] stream_property((0x55772f068e50), position(_818276))
   Call: (182) [system] nonvar((0x55772f068e50))
   Exit: (182) [system] nonvar((0x55772f068e50))
   Call: (182) [system] nonvar(position(_818276))
   Exit: (182) [system] nonvar(position(_818276))
   Exit: (181) [system] stream_property((0x55772f068e50), position('$stream_position'(4056, 95, 0, 4056)))
   Call: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(4056, 95, 0, 4056), _818270)
   Call: (182) [system] nonvar(line_count)
   Exit: (182) [system] nonvar(line_count)
   Call: (182) [$syspreds] stream_position_field(line_count, _828528)
   Exit: (182) [$syspreds] stream_position_field(line_count, 2)
   Call: (182) [system] arg(2, '$stream_position'(4056, 95, 0, 4056), _818270)
   Exit: (182) [system] arg(2, '$stream_position'(4056, 95, 0, 4056), 95)
   Exit: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(4056, 95, 0, 4056), 95)
   Call: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(4056, 95, 0, 4056), _818272)
   Call: (182) [system] nonvar(line_position)
   Exit: (182) [system] nonvar(line_position)
   Call: (182) [$syspreds] stream_position_field(line_position, _835962)
   Exit: (182) [$syspreds] stream_position_field(line_position, 3)
   Call: (182) [system] arg(3, '$stream_position'(4056, 95, 0, 4056), _818272)
   Exit: (182) [system] arg(3, '$stream_position'(4056, 95, 0, 4056), 0)
   Exit: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(4056, 95, 0, 4056), 0)
   Call: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(4056, 95, 0, 4056), _818274)
   Call: (182) [system] nonvar(char_count)
   Exit: (182) [system] nonvar(char_count)
   Call: (182) [$syspreds] stream_position_field(char_count, _843396)
   Exit: (182) [$syspreds] stream_position_field(char_count, 1)
   Call: (182) [system] arg(1, '$stream_position'(4056, 95, 0, 4056), _818274)
   Exit: (182) [system] arg(1, '$stream_position'(4056, 95, 0, 4056), 4056)
   Exit: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(4056, 95, 0, 4056), 4056)
^  Exit: (180) [user] read_position((0x55772f068e50), 95, 0, 4056, '$stream_position'(4056, 95, 0, 4056))
^  Call: (180) [user] read_sexpr((0x55772f068e50), _818288)
   Call: (181) [system] string((0x55772f068e50))
   Fail: (181) [system] string((0x55772f068e50))
^  Call: (181) [user] cont_sexpr(')', (0x55772f068e50), _818288)
^  Call: (182) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _853622)
   Exit: (183) [system] peek_char((0x55772f068e50), '(')
   Call: (183) [system] '('=(;)
   Fail: (183) [system] '('=(;)
   Call: (183) [system] '('=(/)
   Fail: (183) [system] '('=(/)
^  Call: (183) [user] is_like_space('(')
   Call: (184) [system] char_type('(', 'white')
   Fail: (184) [system] char_type('(', 'white')
   Call: (184) [system] char_type('(', end_of_line)
   Fail: (184) [system] char_type('(', end_of_line)
   Call: (184) [system] char_type('(', space)
   Fail: (184) [system] char_type('(', space)
   Call: (184) [system] char_type('(', cntrl)
   Fail: (184) [system] char_type('(', cntrl)
^  Fail: (183) [user] is_like_space('(')
^  Exit: (182) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] get_char((0x55772f068e50), _869632)
   Exit: (182) [system] get_char((0x55772f068e50), '(')
   Call: (182) [system] '('='('
   Exit: (182) [system] '('='('
^  Call: (182) [user] read_list(')', (0x55772f068e50), _818288)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _875202)
   Exit: (184) [system] peek_char((0x55772f068e50), :)
   Call: (184) [system] (:)=(;)
   Fail: (184) [system] (:)=(;)
   Call: (184) [system] (:)=(/)
   Fail: (184) [system] (:)=(/)
^  Call: (184) [user] is_like_space(:)
   Call: (185) [system] char_type(:, 'white')
   Fail: (185) [system] char_type(:, 'white')
   Call: (185) [system] char_type(:, end_of_line)
   Fail: (185) [system] char_type(:, end_of_line)
   Call: (185) [system] char_type(:, space)
   Fail: (185) [system] char_type(:, space)
   Call: (185) [system] char_type(:, cntrl)
   Fail: (185) [system] char_type(:, cntrl)
^  Fail: (184) [user] is_like_space(:)
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _891212)
   Exit: (183) [system] peek_char((0x55772f068e50), :)
   Call: (183) [system] (:)=')'
   Fail: (183) [system] (:)=')'
   Call: (183) [system] (:)=end_of_file
   Fail: (183) [system] (:)=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x55772f068e50), _896782)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _898640)
   Exit: (185) [system] peek_char((0x55772f068e50), :)
   Call: (185) [system] (:)=(;)
   Fail: (185) [system] (:)=(;)
   Call: (185) [system] (:)=(/)
   Fail: (185) [system] (:)=(/)
^  Call: (185) [user] is_like_space(:)
   Call: (186) [system] char_type(:, 'white')
   Fail: (186) [system] char_type(:, 'white')
   Call: (186) [system] char_type(:, end_of_line)
   Fail: (186) [system] char_type(:, end_of_line)
   Call: (186) [system] char_type(:, space)
   Fail: (186) [system] char_type(:, space)
   Call: (186) [system] char_type(:, cntrl)
   Fail: (186) [system] char_type(:, cntrl)
^  Fail: (185) [user] is_like_space(:)
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] get_char((0x55772f068e50), _914650)
   Exit: (184) [system] get_char((0x55772f068e50), :)
   Call: (184) [system] (:)='('
   Fail: (184) [system] (:)='('
   Call: (184) [system] (:)='['
   Fail: (184) [system] (:)='['
   Call: (184) [system] (:)='{'
   Fail: (184) [system] (:)='{'
   Call: (184) [system] (:)='"'
   Fail: (184) [system] (:)='"'
   Call: (184) [system] (:)=!
   Fail: (184) [system] (:)=!
   Call: (184) [system] (:)='\''
   Fail: (184) [system] (:)='\''
   Call: (184) [system] (:)='`'
   Fail: (184) [system] (:)='`'
   Call: (184) [system] (:)=end_of_file
   Fail: (184) [system] (:)=end_of_file
^  Call: (184) [user] read_symbolic(')', (0x55772f068e50), :, _896782)
^  Call: (185) [user] read_symbolic_cont(')', (0x55772f068e50), _932292)
   Call: (186) [system] peek_char((0x55772f068e50), _933226)
   Exit: (186) [system] peek_char((0x55772f068e50), ' ')
^  Call: (186) [user] is_delimiter(' ')
   Call: (187) [system] char_type(' ', space)
   Exit: (187) [system] char_type(' ', space)
^  Exit: (186) [user] is_delimiter(' ')
   Call: (186) [system] _932292=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (185) [user] classify_and_convert_charseq([:], _896782)
^  Call: (186) [user] classify_and_convert_charseq_([:], _942510)
^  Call: (188) [system] setup_call_cleanup('$notrace'(_943462, _943464), once(user:catch(read_from_chars([:], _942510), _943444, fail)), '$restore_trace'(_943462, _943464))
^  Call: (189) [system] sig_atomic(system:'$notrace'(_943462, _943464))
^  Exit: (188) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _943444, fail)), system:'$restore_trace'(3, -1))
   Call: (187) [system] atomic(:)
   Exit: (187) [system] atomic(:)
^  Exit: (186) [user] classify_and_convert_charseq_([:], :)
   Call: (186) [system] integer(:)
   Fail: (186) [system] integer(:)
   Call: (186) [system] _896782=(:)
   Exit: (186) [system] (:)=(:)
^  Exit: (185) [user] classify_and_convert_charseq([:], :)
^  Exit: (184) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (183) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (183) [user] read_list(')', (0x55772f068e50), _955590)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _957448)
   Exit: (185) [system] peek_char((0x55772f068e50), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x55772f068e50), _967042)
   Exit: (185) [system] get_char((0x55772f068e50), ' ')
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _969746)
   Exit: (186) [system] peek_char((0x55772f068e50), k)
   Call: (186) [system] k=(;)
   Fail: (186) [system] k=(;)
   Call: (186) [system] k=(/)
   Fail: (186) [system] k=(/)
^  Call: (186) [user] is_like_space(k)
   Call: (187) [system] char_type(k, 'white')
   Fail: (187) [system] char_type(k, 'white')
   Call: (187) [system] char_type(k, end_of_line)
   Fail: (187) [system] char_type(k, end_of_line)
   Call: (187) [system] char_type(k, space)
   Fail: (187) [system] char_type(k, space)
   Call: (187) [system] char_type(k, cntrl)
   Fail: (187) [system] char_type(k, cntrl)
^  Fail: (186) [user] is_like_space(k)
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _986680)
   Exit: (184) [system] peek_char((0x55772f068e50), k)
   Call: (184) [system] k=')'
   Fail: (184) [system] k=')'
   Call: (184) [system] k=end_of_file
   Fail: (184) [system] k=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x55772f068e50), _992250)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _994108)
   Exit: (186) [system] peek_char((0x55772f068e50), k)
   Call: (186) [system] k=(;)
   Fail: (186) [system] k=(;)
   Call: (186) [system] k=(/)
   Fail: (186) [system] k=(/)
^  Call: (186) [user] is_like_space(k)
   Call: (187) [system] char_type(k, 'white')
   Fail: (187) [system] char_type(k, 'white')
   Call: (187) [system] char_type(k, end_of_line)
   Fail: (187) [system] char_type(k, end_of_line)
   Call: (187) [system] char_type(k, space)
   Fail: (187) [system] char_type(k, space)
   Call: (187) [system] char_type(k, cntrl)
   Fail: (187) [system] char_type(k, cntrl)
^  Fail: (186) [user] is_like_space(k)
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] get_char((0x55772f068e50), _1010118)
   Exit: (185) [system] get_char((0x55772f068e50), k)
   Call: (185) [system] k='('
   Fail: (185) [system] k='('
   Call: (185) [system] k='['
   Fail: (185) [system] k='['
   Call: (185) [system] k='{'
   Fail: (185) [system] k='{'
   Call: (185) [system] k='"'
   Fail: (185) [system] k='"'
   Call: (185) [system] k=!
   Fail: (185) [system] k=!
   Call: (185) [system] k='\''
   Fail: (185) [system] k='\''
   Call: (185) [system] k='`'
   Fail: (185) [system] k='`'
   Call: (185) [system] k=end_of_file
   Fail: (185) [system] k=end_of_file
^  Call: (185) [user] read_symbolic(')', (0x55772f068e50), k, _992250)
^  Call: (186) [user] read_symbolic_cont(')', (0x55772f068e50), _1027760)
   Call: (187) [system] peek_char((0x55772f068e50), _1028694)
   Exit: (187) [system] peek_char((0x55772f068e50), b)
^  Call: (187) [user] is_delimiter(b)
   Call: (188) [system] char_type(b, space)
   Fail: (188) [system] char_type(b, space)
   Call: (188) [system] arg(_1033414, v('(', ')', end_of_file), b)
   Fail: (188) [system] arg(_1034346, v('(', ')', end_of_file), b)
^  Fail: (187) [user] is_delimiter(b)
   Call: (187) [system] ')'==b
   Fail: (187) [system] ')'==b
   Call: (187) [system] get_char((0x55772f068e50), b)
   Exit: (187) [system] get_char((0x55772f068e50), b)
   Call: (187) [system] b=(\)
   Fail: (187) [system] b=(\)
^  Call: (187) [user] read_symbolic_cont(')', (0x55772f068e50), _1041696)
   Call: (188) [system] peek_char((0x55772f068e50), _1042630)
   Exit: (188) [system] peek_char((0x55772f068e50), ' ')
^  Call: (188) [user] is_delimiter(' ')
   Call: (189) [system] char_type(' ', space)
   Exit: (189) [system] char_type(' ', space)
^  Exit: (188) [user] is_delimiter(' ')
   Call: (188) [system] _1041696=[]
   Exit: (188) [system] []=[]
^  Exit: (187) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (187) [system] _1027760=[b]
   Exit: (187) [system] [b]=[b]
^  Exit: (186) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
^  Call: (186) [user] classify_and_convert_charseq([k, b], _992250)
^  Call: (187) [user] classify_and_convert_charseq_([k, b], _1054708)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_1055660, _1055662), once(user:catch(read_from_chars([k, b], _1054708), _1055642, fail)), '$restore_trace'(_1055660, _1055662))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_1055660, _1055662))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _1055642, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(kb)
   Exit: (188) [system] atomic(kb)
^  Exit: (187) [user] classify_and_convert_charseq_([k, b], kb)
   Call: (187) [system] integer(kb)
   Fail: (187) [system] integer(kb)
   Call: (187) [system] _992250=kb
   Exit: (187) [system] kb=kb
^  Exit: (186) [user] classify_and_convert_charseq([k, b], kb)
^  Exit: (185) [user] read_symbolic(')', (0x55772f068e50), k, kb)
^  Exit: (184) [user] cont_sexpr(')', (0x55772f068e50), kb)
^  Call: (184) [user] read_list(')', (0x55772f068e50), _1067788)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1069646)
   Exit: (186) [system] peek_char((0x55772f068e50), ' ')
   Call: (186) [system] ' '=(;)
   Fail: (186) [system] ' '=(;)
   Call: (186) [system] ' '=(/)
   Fail: (186) [system] ' '=(/)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x55772f068e50), _1079240)
   Exit: (186) [system] get_char((0x55772f068e50), ' ')
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1081944)
   Exit: (187) [system] peek_char((0x55772f068e50), '(')
   Call: (187) [system] '('=(;)
   Fail: (187) [system] '('=(;)
   Call: (187) [system] '('=(/)
   Fail: (187) [system] '('=(/)
^  Call: (187) [user] is_like_space('(')
   Call: (188) [system] char_type('(', 'white')
   Fail: (188) [system] char_type('(', 'white')
   Call: (188) [system] char_type('(', end_of_line)
   Fail: (188) [system] char_type('(', end_of_line)
   Call: (188) [system] char_type('(', space)
   Fail: (188) [system] char_type('(', space)
   Call: (188) [system] char_type('(', cntrl)
   Fail: (188) [system] char_type('(', cntrl)
^  Fail: (187) [user] is_like_space('(')
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1098878)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=')'
   Fail: (185) [system] '('=')'
   Call: (185) [system] '('=end_of_file
   Fail: (185) [system] '('=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x55772f068e50), _1104448)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1106306)
   Exit: (187) [system] peek_char((0x55772f068e50), '(')
   Call: (187) [system] '('=(;)
   Fail: (187) [system] '('=(;)
   Call: (187) [system] '('=(/)
   Fail: (187) [system] '('=(/)
^  Call: (187) [user] is_like_space('(')
   Call: (188) [system] char_type('(', 'white')
   Fail: (188) [system] char_type('(', 'white')
   Call: (188) [system] char_type('(', end_of_line)
   Fail: (188) [system] char_type('(', end_of_line)
   Call: (188) [system] char_type('(', space)
   Fail: (188) [system] char_type('(', space)
   Call: (188) [system] char_type('(', cntrl)
   Fail: (188) [system] char_type('(', cntrl)
^  Fail: (187) [user] is_like_space('(')
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] get_char((0x55772f068e50), _1122316)
   Exit: (186) [system] get_char((0x55772f068e50), '(')
   Call: (186) [system] '('='('
   Exit: (186) [system] '('='('
^  Call: (186) [user] read_list(')', (0x55772f068e50), _1104448)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1127886)
   Exit: (188) [system] peek_char((0x55772f068e50), -)
   Call: (188) [system] (-)=(;)
   Fail: (188) [system] (-)=(;)
   Call: (188) [system] (-)=(/)
   Fail: (188) [system] (-)=(/)
^  Call: (188) [user] is_like_space(-)
   Call: (189) [system] char_type(-, 'white')
   Fail: (189) [system] char_type(-, 'white')
   Call: (189) [system] char_type(-, end_of_line)
   Fail: (189) [system] char_type(-, end_of_line)
   Call: (189) [system] char_type(-, space)
   Fail: (189) [system] char_type(-, space)
   Call: (189) [system] char_type(-, cntrl)
   Fail: (189) [system] char_type(-, cntrl)
^  Fail: (188) [user] is_like_space(-)
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1143896)
   Exit: (187) [system] peek_char((0x55772f068e50), -)
   Call: (187) [system] (-)=')'
   Fail: (187) [system] (-)=')'
   Call: (187) [system] (-)=end_of_file
   Fail: (187) [system] (-)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x55772f068e50), _1149466)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1151324)
   Exit: (189) [system] peek_char((0x55772f068e50), -)
   Call: (189) [system] (-)=(;)
   Fail: (189) [system] (-)=(;)
   Call: (189) [system] (-)=(/)
   Fail: (189) [system] (-)=(/)
^  Call: (189) [user] is_like_space(-)
   Call: (190) [system] char_type(-, 'white')
   Fail: (190) [system] char_type(-, 'white')
   Call: (190) [system] char_type(-, end_of_line)
   Fail: (190) [system] char_type(-, end_of_line)
   Call: (190) [system] char_type(-, space)
   Fail: (190) [system] char_type(-, space)
   Call: (190) [system] char_type(-, cntrl)
   Fail: (190) [system] char_type(-, cntrl)
^  Fail: (189) [user] is_like_space(-)
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] get_char((0x55772f068e50), _1167334)
   Exit: (188) [system] get_char((0x55772f068e50), -)
   Call: (188) [system] (-)='('
   Fail: (188) [system] (-)='('
   Call: (188) [system] (-)='['
   Fail: (188) [system] (-)='['
   Call: (188) [system] (-)='{'
   Fail: (188) [system] (-)='{'
   Call: (188) [system] (-)='"'
   Fail: (188) [system] (-)='"'
   Call: (188) [system] (-)=!
   Fail: (188) [system] (-)=!
   Call: (188) [system] (-)='\''
   Fail: (188) [system] (-)='\''
   Call: (188) [system] (-)='`'
   Fail: (188) [system] (-)='`'
   Call: (188) [system] (-)=end_of_file
   Fail: (188) [system] (-)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x55772f068e50), -, _1149466)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _1184976)
   Call: (190) [system] peek_char((0x55772f068e50), _1185910)
   Exit: (190) [system] peek_char((0x55772f068e50), >)
^  Call: (190) [user] is_delimiter(>)
   Call: (191) [system] char_type(>, space)
   Fail: (191) [system] char_type(>, space)
   Call: (191) [system] arg(_1190630, v('(', ')', end_of_file), >)
   Fail: (191) [system] arg(_1191562, v('(', ')', end_of_file), >)
^  Fail: (190) [user] is_delimiter(>)
   Call: (190) [system] ')'==(>)
   Fail: (190) [system] ')'==(>)
   Call: (190) [system] get_char((0x55772f068e50), >)
   Exit: (190) [system] get_char((0x55772f068e50), >)
   Call: (190) [system] (>)=(\)
   Fail: (190) [system] (>)=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _1198912)
   Call: (191) [system] peek_char((0x55772f068e50), _1199846)
   Exit: (191) [system] peek_char((0x55772f068e50), ' ')
^  Call: (191) [user] is_delimiter(' ')
   Call: (192) [system] char_type(' ', space)
   Exit: (192) [system] char_type(' ', space)
^  Exit: (191) [user] is_delimiter(' ')
   Call: (191) [system] _1198912=[]
   Exit: (191) [system] []=[]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (190) [system] _1184976=[>]
   Exit: (190) [system] [>]=[>]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [>])
^  Call: (189) [user] classify_and_convert_charseq([-, >], _1149466)
^  Call: (190) [user] classify_and_convert_charseq_([-, >], _1211924)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_1212876, _1212878), once(user:catch(read_from_chars([-, >], _1211924), _1212858, fail)), '$restore_trace'(_1212876, _1212878))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_1212876, _1212878))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _1212858, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(->)
   Exit: (191) [system] atomic(->)
^  Exit: (190) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (190) [system] integer(->)
   Fail: (190) [system] integer(->)
   Call: (190) [system] _1149466=(->)
   Exit: (190) [system] (->)=(->)
^  Exit: (189) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (188) [user] read_symbolic(')', (0x55772f068e50), -, ->)
^  Exit: (187) [user] cont_sexpr(')', (0x55772f068e50), ->)
^  Call: (187) [user] read_list(')', (0x55772f068e50), _1225004)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1226862)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x55772f068e50), _1236456)
   Exit: (189) [system] get_char((0x55772f068e50), ' ')
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1239160)
   Exit: (190) [system] peek_char((0x55772f068e50), 'A')
   Call: (190) [system] 'A'=(;)
   Fail: (190) [system] 'A'=(;)
   Call: (190) [system] 'A'=(/)
   Fail: (190) [system] 'A'=(/)
^  Call: (190) [user] is_like_space('A')
   Call: (191) [system] char_type('A', 'white')
   Fail: (191) [system] char_type('A', 'white')
   Call: (191) [system] char_type('A', end_of_line)
   Fail: (191) [system] char_type('A', end_of_line)
   Call: (191) [system] char_type('A', space)
   Fail: (191) [system] char_type('A', space)
   Call: (191) [system] char_type('A', cntrl)
   Fail: (191) [system] char_type('A', cntrl)
^  Fail: (190) [user] is_like_space('A')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1256094)
   Exit: (188) [system] peek_char((0x55772f068e50), 'A')
   Call: (188) [system] 'A'=')'
   Fail: (188) [system] 'A'=')'
   Call: (188) [system] 'A'=end_of_file
   Fail: (188) [system] 'A'=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x55772f068e50), _1261664)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1263522)
   Exit: (190) [system] peek_char((0x55772f068e50), 'A')
   Call: (190) [system] 'A'=(;)
   Fail: (190) [system] 'A'=(;)
   Call: (190) [system] 'A'=(/)
   Fail: (190) [system] 'A'=(/)
^  Call: (190) [user] is_like_space('A')
   Call: (191) [system] char_type('A', 'white')
   Fail: (191) [system] char_type('A', 'white')
   Call: (191) [system] char_type('A', end_of_line)
   Fail: (191) [system] char_type('A', end_of_line)
   Call: (191) [system] char_type('A', space)
   Fail: (191) [system] char_type('A', space)
   Call: (191) [system] char_type('A', cntrl)
   Fail: (191) [system] char_type('A', cntrl)
^  Fail: (190) [user] is_like_space('A')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] get_char((0x55772f068e50), _1279532)
   Exit: (189) [system] get_char((0x55772f068e50), 'A')
   Call: (189) [system] 'A'='('
   Fail: (189) [system] 'A'='('
   Call: (189) [system] 'A'='['
   Fail: (189) [system] 'A'='['
   Call: (189) [system] 'A'='{'
   Fail: (189) [system] 'A'='{'
   Call: (189) [system] 'A'='"'
   Fail: (189) [system] 'A'='"'
   Call: (189) [system] 'A'=!
   Fail: (189) [system] 'A'=!
   Call: (189) [system] 'A'='\''
   Fail: (189) [system] 'A'='\''
   Call: (189) [system] 'A'='`'
   Fail: (189) [system] 'A'='`'
   Call: (189) [system] 'A'=end_of_file
   Fail: (189) [system] 'A'=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x55772f068e50), 'A', _1261664)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _1297174)
   Call: (191) [system] peek_char((0x55772f068e50), _1298108)
   Exit: (191) [system] peek_char((0x55772f068e50), t)
^  Call: (191) [user] is_delimiter(t)
   Call: (192) [system] char_type(t, space)
   Fail: (192) [system] char_type(t, space)
   Call: (192) [system] arg(_1302828, v('(', ')', end_of_file), t)
   Fail: (192) [system] arg(_1303760, v('(', ')', end_of_file), t)
^  Fail: (191) [user] is_delimiter(t)
   Call: (191) [system] ')'==t
   Fail: (191) [system] ')'==t
   Call: (191) [system] get_char((0x55772f068e50), t)
   Exit: (191) [system] get_char((0x55772f068e50), t)
   Call: (191) [system] t=(\)
   Fail: (191) [system] t=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _1311110)
   Call: (192) [system] peek_char((0x55772f068e50), _1312044)
   Exit: (192) [system] peek_char((0x55772f068e50), o)
^  Call: (192) [user] is_delimiter(o)
   Call: (193) [system] char_type(o, space)
   Fail: (193) [system] char_type(o, space)
   Call: (193) [system] arg(_1316764, v('(', ')', end_of_file), o)
   Fail: (193) [system] arg(_1317696, v('(', ')', end_of_file), o)
^  Fail: (192) [user] is_delimiter(o)
   Call: (192) [system] ')'==o
   Fail: (192) [system] ')'==o
   Call: (192) [system] get_char((0x55772f068e50), o)
   Exit: (192) [system] get_char((0x55772f068e50), o)
   Call: (192) [system] o=(\)
   Fail: (192) [system] o=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _1325046)
   Call: (193) [system] peek_char((0x55772f068e50), _1325980)
   Exit: (193) [system] peek_char((0x55772f068e50), m)
^  Call: (193) [user] is_delimiter(m)
   Call: (194) [system] char_type(m, space)
   Fail: (194) [system] char_type(m, space)
   Call: (194) [system] arg(_1330700, v('(', ')', end_of_file), m)
   Fail: (194) [system] arg(_1331632, v('(', ')', end_of_file), m)
^  Fail: (193) [user] is_delimiter(m)
   Call: (193) [system] ')'==m
   Fail: (193) [system] ')'==m
   Call: (193) [system] get_char((0x55772f068e50), m)
   Exit: (193) [system] get_char((0x55772f068e50), m)
   Call: (193) [system] m=(\)
   Fail: (193) [system] m=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _1338982)
   Call: (194) [system] peek_char((0x55772f068e50), _1339916)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
^  Call: (194) [user] is_delimiter(')')
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] arg(_1344636, v('(', ')', end_of_file), ')')
   Exit: (195) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (194) [user] is_delimiter(')')
   Call: (194) [system] _1338982=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (193) [system] _1325046=[m]
   Exit: (193) [system] [m]=[m]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [m])
   Call: (192) [system] _1311110=[o, m]
   Exit: (192) [system] [o, m]=[o, m]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [o, m])
   Call: (191) [system] _1297174=[t, o, m]
   Exit: (191) [system] [t, o, m]=[t, o, m]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [t, o, m])
^  Call: (190) [user] classify_and_convert_charseq(['A', t, o, m], _1261664)
^  Call: (191) [user] classify_and_convert_charseq_(['A', t, o, m], _1359454)
^  Call: (193) [system] setup_call_cleanup('$notrace'(_1360406, _1360408), once(user:catch(read_from_chars(['A', t, o, m], _1359454), _1360388, fail)), '$restore_trace'(_1360406, _1360408))
^  Call: (194) [system] sig_atomic(system:'$notrace'(_1360406, _1360408))
^  Exit: (193) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', t, o, m], _1359454), _1360388, fail)), system:'$restore_trace'(3, -1))
   Call: (192) [system] atomic(_1359454)
   Fail: (192) [system] atomic(_1359454)
   Call: (192) [system] atom_chars(_1359454, ['A', t, o, m])
   Exit: (192) [system] atom_chars('Atom', ['A', t, o, m])
^  Exit: (191) [user] classify_and_convert_charseq_(['A', t, o, m], 'Atom')
   Call: (191) [system] integer('Atom')
   Fail: (191) [system] integer('Atom')
   Call: (191) [system] _1261664='Atom'
   Exit: (191) [system] 'Atom'='Atom'
^  Exit: (190) [user] classify_and_convert_charseq(['A', t, o, m], 'Atom')
^  Exit: (189) [user] read_symbolic(')', (0x55772f068e50), 'A', 'Atom')
^  Exit: (188) [user] cont_sexpr(')', (0x55772f068e50), 'Atom')
^  Call: (188) [user] read_list(')', (0x55772f068e50), _1374404)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1376262)
   Exit: (190) [system] peek_char((0x55772f068e50), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1392272)
   Exit: (189) [system] peek_char((0x55772f068e50), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x55772f068e50), _1396062)
   Exit: (189) [system] get_char((0x55772f068e50), ')')
   Call: (189) [system] _1374404=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [])
   Call: (188) [system] _1225004=['Atom']
   Exit: (188) [system] ['Atom']=['Atom']
^  Exit: (187) [user] read_list(')', (0x55772f068e50), ['Atom'])
   Call: (187) [system] _1104448=[->, 'Atom']
   Exit: (187) [system] [->, 'Atom']=[->, 'Atom']
^  Exit: (186) [user] read_list(')', (0x55772f068e50), [->, 'Atom'])
^  Exit: (185) [user] cont_sexpr(')', (0x55772f068e50), [->, 'Atom'])
^  Call: (185) [user] read_list(')', (0x55772f068e50), _1407150)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1409008)
   Exit: (187) [system] peek_char((0x55772f068e50), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1425018)
   Exit: (186) [system] peek_char((0x55772f068e50), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x55772f068e50), _1428808)
   Exit: (186) [system] get_char((0x55772f068e50), ')')
   Call: (186) [system] _1407150=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [])
   Call: (185) [system] _1067788=[[->, 'Atom']]
   Exit: (185) [system] [[->, 'Atom']]=[[->, 'Atom']]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [[->, 'Atom']])
   Call: (184) [system] _955590=[kb, [->, 'Atom']]
   Exit: (184) [system] [kb, [->, 'Atom']]=[kb, [->, 'Atom']]
^  Exit: (183) [user] read_list(')', (0x55772f068e50), [kb, [->, 'Atom']])
   Call: (183) [system] _818288=[:, kb, [->, 'Atom']]
   Exit: (183) [system] [:, kb, [->, 'Atom']]=[:, kb, [->, 'Atom']]
^  Exit: (182) [user] read_list(')', (0x55772f068e50), [:, kb, [->, 'Atom']])
^  Exit: (181) [user] cont_sexpr(')', (0x55772f068e50), [:, kb, [->, 'Atom']])
^  Exit: (180) [user] read_sexpr((0x55772f068e50), [:, kb, [->, 'Atom']])
^  Call: (180) [user] assertz(metta_file_comment(95, 0, 4056, [:, kb, [->, 'Atom']], '$stream_position'(4056, 95, 0, 4056)))
^  Exit: (180) [user] assertz(metta_file_comment(95, 0, 4056, [:, kb, [->, 'Atom']], '$stream_position'(4056, 95, 0, 4056)))
^  Exit: (178) [system] once(user:(read_position((0x55772f068e50), 95, 0, 4056, '$stream_position'(4056, 95, 0, 4056)), read_sexpr((0x55772f068e50), [:, kb, [->, 'Atom']]), assertz(metta_file_comment(95, 0, 4056, [:, kb, [->, 'Atom']], '$stream_position'(4056, 95, 0, 4056)))))
   Call: (178) [system] fail
^  Call: (178) [user] retract(metta_file_comment(_1447326, _1447328, _1447330, _1447332, _1447334))
^  Exit: (178) [user] retract(metta_file_comment(44, 0, 1471, '$COMMENT'(";;", 44, 0), '$stream_position'(1471, 44, 0, 1471)))
^  Call: (178) [user] trly(untyped_to_metta, '$COMMENT'(";;", 44, 0), _3084)
^  Call: (179) [user] once(call(untyped_to_metta, '$COMMENT'(";;", 44, 0), _1450158))
^  Call: (180) [user] call(untyped_to_metta, '$COMMENT'(";;", 44, 0), _1450158)
^  Call: (181) [user] untyped_to_metta('$COMMENT'(";;", 44, 0), _1450158)
^  Call: (182) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;", 44, 0), _1452974))
^  Call: (183) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;", 44, 0), _1452974))
^  Call: (184) [user] trly(mfix_vars1, '$COMMENT'(";;", 44, 0), _1452974)
^  Call: (185) [user] once(call(mfix_vars1, '$COMMENT'(";;", 44, 0), _1455774))
^  Call: (186) [user] call(mfix_vars1, '$COMMENT'(";;", 44, 0), _1455774)
^  Call: (187) [user] mfix_vars1('$COMMENT'(";;", 44, 0), _1455774)
   Call: (188) [system] var('$COMMENT'(";;", 44, 0))
   Call: (188) [system] atom('$COMMENT'(";;", 44, 0))
   Call: (188) [system] '$COMMENT'(";;", 44, 0)==true
   Call: (188) [system] '$COMMENT'(";;", 44, 0)==false
   Call: (188) [system] '$COMMENT'(";;", 44, 0)==[_1462294, _1462300]
   Call: (188) [system] is_list('$COMMENT'(";;", 44, 0))
   Call: (188) [system] string('$COMMENT'(";;", 44, 0))
   Call: (188) [system] compound('$COMMENT'(";;", 44, 0))
   Exit: (188) [system] compound('$COMMENT'(";;", 44, 0))
   Call: (188) [system] compound_name_arguments('$COMMENT'(";;", 44, 0), _1466928, _1466930)
   Exit: (188) [system] compound_name_arguments('$COMMENT'(";;", 44, 0), '$COMMENT', [";;", 44, 0])
   Call: (188) [system] '$COMMENT'\=='$VAR'
   Exit: (188) [system] '$COMMENT'\=='$VAR'
^  Call: (188) [user] apply:maplist(mfix_vars1, [";;", 44, 0], _1470670)
   Call: (189) [apply] apply:maplist_([";;", 44, 0], _1470670, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(";;", _1472550)
   Call: (191) [system] var(";;")
   Call: (191) [system] atom(";;")
   Call: (191) [system] ";;"==true
   Call: (191) [system] ";;"==false
   Call: (191) [system] ";;"==[_1477192, _1477198]
   Call: (191) [system] is_list(";;")
   Call: (191) [system] string(";;")
   Exit: (191) [system] string(";;")
^  Call: (191) [user] string_to_syms
   Call: (192) [system] fail
   Call: (191) [system] compound(";;")
^  Call: (191) [user] symbol(";;")
   Call: (192) [system] atom(";;")
   Fail: (192) [system] atom(";;")
^  Fail: (191) [user] symbol(";;")
   Call: (191) [system] ";;"=_1472550
   Exit: (191) [system] ";;"=";;"
^  Exit: (190) [user] mfix_vars1(";;", ";;")
   Call: (190) [apply] apply:maplist_([44, 0], _1472552, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(44, _1491072)
   Call: (192) [system] var(44)
   Call: (192) [system] atom(44)
   Call: (192) [system] 44==true
   Call: (192) [system] 44==false
   Call: (192) [system] 44==[_1495714, _1495720]
   Call: (192) [system] is_list(44)
   Call: (192) [system] string(44)
   Call: (192) [system] compound(44)
^  Call: (192) [user] symbol(44)
   Call: (193) [system] atom(44)
   Fail: (193) [system] atom(44)
^  Fail: (192) [user] symbol(44)
   Call: (192) [system] 44=_1491072
   Exit: (192) [system] 44=44
^  Exit: (191) [user] mfix_vars1(44, 44)
   Call: (191) [apply] apply:maplist_([0], _1491074, user:mfix_vars1)
^  Call: (192) [user] mfix_vars1(0, _1506838)
   Call: (193) [system] var(0)
   Call: (193) [system] atom(0)
   Call: (193) [system] 0==true
   Call: (193) [system] 0==false
   Call: (193) [system] 0==[_1511480, _1511486]
   Call: (193) [system] is_list(0)
   Call: (193) [system] string(0)
   Call: (193) [system] compound(0)
^  Call: (193) [user] symbol(0)
   Call: (194) [system] atom(0)
   Fail: (194) [system] atom(0)
^  Fail: (193) [user] symbol(0)
   Call: (193) [system] 0=_1506838
   Exit: (193) [system] 0=0
^  Exit: (192) [user] mfix_vars1(0, 0)
   Call: (192) [apply] apply:maplist_([], _1506840, user:mfix_vars1)
   Exit: (192) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([44, 0], [44, 0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([";;", 44, 0], [";;", 44, 0], user:mfix_vars1)
^  Exit: (188) [apply] apply:maplist(user:mfix_vars1, [";;", 44, 0], [";;", 44, 0])
   Call: (188) [system] compound_name_arguments(_1455774, '$COMMENT', [";;", 44, 0])
   Exit: (188) [system] compound_name_arguments('$COMMENT'(";;", 44, 0), '$COMMENT', [";;", 44, 0])
^  Exit: (187) [user] mfix_vars1('$COMMENT'(";;", 44, 0), '$COMMENT'(";;", 44, 0))
^  Exit: (186) [system] call(user:mfix_vars1, '$COMMENT'(";;", 44, 0), '$COMMENT'(";;", 44, 0))
^  Exit: (185) [system] once(user:call(mfix_vars1, '$COMMENT'(";;", 44, 0), '$COMMENT'(";;", 44, 0)))
   Call: (185) [system] '$COMMENT'(";;", 44, 0)\=@='$COMMENT'(";;", 44, 0)
^  Exit: (184) [user] trly(mfix_vars1, '$COMMENT'(";;", 44, 0), '$COMMENT'(";;", 44, 0))
^  Exit: (183) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;", 44, 0), '$COMMENT'(";;", 44, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;", 44, 0), '$COMMENT'(";;", 44, 0)))
^  Call: (182) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;", 44, 0), _1535656))
^  Call: (183) [user] once(user:trly(cons_to_c, '$COMMENT'(";;", 44, 0), _1535656))
^  Call: (184) [user] trly(cons_to_c, '$COMMENT'(";;", 44, 0), _1535656)
^  Call: (185) [user] once(call(cons_to_c, '$COMMENT'(";;", 44, 0), _1538456))
^  Call: (186) [user] call(cons_to_c, '$COMMENT'(";;", 44, 0), _1538456)
^  Call: (187) [user] cons_to_c('$COMMENT'(";;", 44, 0), _1538456)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_c('$COMMENT'(";;", 44, 0), '$COMMENT'(";;", 44, 0))
^  Exit: (186) [system] call(user:cons_to_c, '$COMMENT'(";;", 44, 0), '$COMMENT'(";;", 44, 0))
^  Exit: (185) [system] once(user:call(cons_to_c, '$COMMENT'(";;", 44, 0), '$COMMENT'(";;", 44, 0)))
   Call: (185) [system] '$COMMENT'(";;", 44, 0)\=@='$COMMENT'(";;", 44, 0)
^  Exit: (184) [user] trly(cons_to_c, '$COMMENT'(";;", 44, 0), '$COMMENT'(";;", 44, 0))
^  Exit: (183) [system] once(user:trly(cons_to_c, '$COMMENT'(";;", 44, 0), '$COMMENT'(";;", 44, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;", 44, 0), '$COMMENT'(";;", 44, 0)))
^  Call: (182) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;", 44, 0), _1450158))
^  Call: (183) [user] once(user:trly(cons_to_l, '$COMMENT'(";;", 44, 0), _1450158))
^  Call: (184) [user] trly(cons_to_l, '$COMMENT'(";;", 44, 0), _1450158)
^  Call: (185) [user] once(call(cons_to_l, '$COMMENT'(";;", 44, 0), _1552414))
^  Call: (186) [user] call(cons_to_l, '$COMMENT'(";;", 44, 0), _1552414)
^  Call: (187) [user] cons_to_l('$COMMENT'(";;", 44, 0), _1552414)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_l('$COMMENT'(";;", 44, 0), '$COMMENT'(";;", 44, 0))
^  Exit: (186) [system] call(user:cons_to_l, '$COMMENT'(";;", 44, 0), '$COMMENT'(";;", 44, 0))
^  Exit: (185) [system] once(user:call(cons_to_l, '$COMMENT'(";;", 44, 0), '$COMMENT'(";;", 44, 0)))
   Call: (185) [system] '$COMMENT'(";;", 44, 0)\=@='$COMMENT'(";;", 44, 0)
^  Exit: (184) [user] trly(cons_to_l, '$COMMENT'(";;", 44, 0), '$COMMENT'(";;", 44, 0))
^  Exit: (183) [system] once(user:trly(cons_to_l, '$COMMENT'(";;", 44, 0), '$COMMENT'(";;", 44, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;", 44, 0), '$COMMENT'(";;", 44, 0)))
^  Exit: (181) [user] untyped_to_metta('$COMMENT'(";;", 44, 0), '$COMMENT'(";;", 44, 0))
^  Exit: (180) [system] call(user:untyped_to_metta, '$COMMENT'(";;", 44, 0), '$COMMENT'(";;", 44, 0))
^  Exit: (179) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;", 44, 0), '$COMMENT'(";;", 44, 0)))
   Call: (179) [system] '$COMMENT'(";;", 44, 0)\=@='$COMMENT'(";;", 44, 0)
^  Exit: (178) [user] trly(untyped_to_metta, '$COMMENT'(";;", 44, 0), '$COMMENT'(";;", 44, 0))
^  Exit: (177) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;", 44, 0))
   Call: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;", 44, 0))))
   Exit: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;", 44, 0))))
^  Exit: (176) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";;", 44, 0))
^  Exit: (175) [user] parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";;", 44, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";;", 44, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;", 44, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;", 44, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;", 44, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";;", 44, 0))
^  Exit: (171) [user] read_sform((0x55772f068e50), '$COMMENT'(";;", 44, 0))
^  Exit: (170) [system] once(user:read_sform((0x55772f068e50), '$COMMENT'(";;", 44, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x55772f068e50), '$COMMENT'(";;", 44, 0)))
   Call: (169) [system] '$COMMENT'(";;", 44, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;", 44, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727481854.2066653), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481854.2066653), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 44, 0)), 93]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;", 44, 0), me_synthesize_1727481849_9551582, 93)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727481854.2066653), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481854.2066653), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 44, 0)), 93]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727481858.001089)
   Call: (173) [system] arg(1, t(1727481854.2066653), _3148)
   Exit: (173) [system] arg(1, t(1727481854.2066653), 1727481854.2066653)
   Call: (173) [system] _3158 is 1727481858.001089-1727481854.2066653
   Exit: (173) [system] 3.794423818588257 is 1727481858.001089-1727481854.2066653
   Call: (173) [system] 3.794423818588257>4
   Fail: (173) [system] 3.794423818588257>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727481854.2066653), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481854.2066653), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 44, 0)), 93]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 10)
   Call: (175) [system] atom(10+1)
   Call: (175) [system] set_flag(translated_forms, 11)
   Exit: (175) [system] set_flag(translated_forms, 11)
   Exit: (174) [$syspreds] update_flag(translated_forms, 10, 10+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 10, 10+1))
   Exit: (171) [$syspreds] flag(translated_forms, 10, 10+1)
^  Call: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;", 44, 0), me_synthesize_1727481849_9551582, 93)
^  Call: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";;"])
^  Exit: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";;"])
^  Exit: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;", 44, 0), me_synthesize_1727481849_9551582, 93)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727481854.2066653), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481854.2066653), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 44, 0)), 93]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 10, 10+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;", 44, 0), me_synthesize_1727481849_9551582, 93)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x55772f068e50))
   Fail: (169) [system] at_end_of_stream((0x55772f068e50))
^  Call: (169) [user] must_det_ll(line_count((0x55772f068e50), _3074))
^  Call: (170) [user] once(user:line_count((0x55772f068e50), _3074))
   Call: (171) [system] line_count((0x55772f068e50), _3074)
   Exit: (171) [system] line_count((0x55772f068e50), 95)
^  Exit: (170) [system] once(user:line_count((0x55772f068e50), 95))
^  Exit: (169) [user] must_det_ll(user:line_count((0x55772f068e50), 95))
^  Call: (169) [user] must_det_ll(read_sform((0x55772f068e50), _3084))
^  Call: (170) [user] once(user:read_sform((0x55772f068e50), _3084))
^  Call: (171) [user] read_sform((0x55772f068e50), _3084)
   Call: (172) [system] string((0x55772f068e50))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (173) [system] string((0x55772f068e50))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (174) [system] at_end_of_stream((0x55772f068e50))
   Call: (174) [system] peek_char((0x55772f068e50), _1628126)
   Exit: (174) [system] peek_char((0x55772f068e50), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x55772f068e50), '\n')
   Exit: (174) [system] get_char((0x55772f068e50), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), _3084)
   Call: (175) [system] at_end_of_stream((0x55772f068e50))
   Call: (175) [system] peek_char((0x55772f068e50), _1635548)
   Exit: (175) [system] peek_char((0x55772f068e50), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (176) [system] string((0x55772f068e50))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (177) [system] at_end_of_stream((0x55772f068e50))
   Call: (177) [system] peek_char((0x55772f068e50), _1643886)
   Exit: (177) [system] peek_char((0x55772f068e50), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _1646672=(0x55772f068e50)
   Exit: (177) [system] (0x55772f068e50)=(0x55772f068e50)
^  Call: (177) [user] once((read_position((0x55772f068e50), _1648540, _1648542, _1648544, _1648546), read_sexpr((0x55772f068e50), _1648558), assertz(metta_file_comment(_1648540, _1648542, _1648544, _1648558, _1648546))))
^  Call: (179) [user] read_position((0x55772f068e50), _1648540, _1648542, _1648544, _1648546)
   Call: (180) [system] stream_property((0x55772f068e50), position(_1648546))
   Call: (181) [system] nonvar((0x55772f068e50))
   Exit: (181) [system] nonvar((0x55772f068e50))
   Call: (181) [system] nonvar(position(_1648546))
   Exit: (181) [system] nonvar(position(_1648546))
   Exit: (180) [system] stream_property((0x55772f068e50), position('$stream_position'(4073, 96, 0, 4073)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4073, 96, 0, 4073), _1648540)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1658798)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4073, 96, 0, 4073), _1648540)
   Exit: (181) [system] arg(2, '$stream_position'(4073, 96, 0, 4073), 96)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4073, 96, 0, 4073), 96)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4073, 96, 0, 4073), _1648542)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1666232)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4073, 96, 0, 4073), _1648542)
   Exit: (181) [system] arg(3, '$stream_position'(4073, 96, 0, 4073), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4073, 96, 0, 4073), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4073, 96, 0, 4073), _1648544)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1673666)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4073, 96, 0, 4073), _1648544)
   Exit: (181) [system] arg(1, '$stream_position'(4073, 96, 0, 4073), 4073)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4073, 96, 0, 4073), 4073)
^  Exit: (179) [user] read_position((0x55772f068e50), 96, 0, 4073, '$stream_position'(4073, 96, 0, 4073))
^  Call: (179) [user] read_sexpr((0x55772f068e50), _1648558)
   Call: (180) [system] string((0x55772f068e50))
   Fail: (180) [system] string((0x55772f068e50))
^  Call: (180) [user] cont_sexpr(')', (0x55772f068e50), _1648558)
^  Call: (181) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _1683892)
   Exit: (182) [system] peek_char((0x55772f068e50), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x55772f068e50))
   Call: (181) [system] get_char((0x55772f068e50), _1699902)
   Exit: (181) [system] get_char((0x55772f068e50), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x55772f068e50), _1648558)
^  Call: (182) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _1705472)
   Exit: (183) [system] peek_char((0x55772f068e50), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _1721482)
   Exit: (182) [system] peek_char((0x55772f068e50), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x55772f068e50), _1727052)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _1728910)
   Exit: (184) [system] peek_char((0x55772f068e50), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] get_char((0x55772f068e50), _1744920)
   Exit: (183) [system] get_char((0x55772f068e50), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x55772f068e50), =, _1727052)
^  Call: (184) [user] read_symbolic_cont(')', (0x55772f068e50), _1762562)
   Call: (185) [system] peek_char((0x55772f068e50), _1763496)
   Exit: (185) [system] peek_char((0x55772f068e50), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1762562=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _1727052)
^  Call: (185) [user] classify_and_convert_charseq_([=], _1772780)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_1773732, _1773734), once(user:catch(read_from_chars([=], _1772780), _1773714, fail)), '$restore_trace'(_1773732, _1773734))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_1773732, _1773734))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1773714, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _1727052=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x55772f068e50), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x55772f068e50), =)
^  Call: (182) [user] read_list(')', (0x55772f068e50), _1785860)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _1787718)
   Exit: (184) [system] peek_char((0x55772f068e50), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x55772f068e50), _1797312)
   Exit: (184) [system] get_char((0x55772f068e50), ' ')
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1800016)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _1816950)
   Exit: (183) [system] peek_char((0x55772f068e50), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x55772f068e50), _1822520)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1824378)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] get_char((0x55772f068e50), _1840388)
   Exit: (184) [system] get_char((0x55772f068e50), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x55772f068e50), _1822520)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1845958)
   Exit: (186) [system] peek_char((0x55772f068e50), k)
   Call: (186) [system] k=(;)
   Fail: (186) [system] k=(;)
   Call: (186) [system] k=(/)
   Fail: (186) [system] k=(/)
^  Call: (186) [user] is_like_space(k)
   Call: (187) [system] char_type(k, 'white')
   Fail: (187) [system] char_type(k, 'white')
   Call: (187) [system] char_type(k, end_of_line)
   Fail: (187) [system] char_type(k, end_of_line)
   Call: (187) [system] char_type(k, space)
   Fail: (187) [system] char_type(k, space)
   Call: (187) [system] char_type(k, cntrl)
   Fail: (187) [system] char_type(k, cntrl)
^  Fail: (186) [user] is_like_space(k)
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1861968)
   Exit: (185) [system] peek_char((0x55772f068e50), k)
   Call: (185) [system] k=')'
   Fail: (185) [system] k=')'
   Call: (185) [system] k=end_of_file
   Fail: (185) [system] k=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x55772f068e50), _1867538)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1869396)
   Exit: (187) [system] peek_char((0x55772f068e50), k)
   Call: (187) [system] k=(;)
   Fail: (187) [system] k=(;)
   Call: (187) [system] k=(/)
   Fail: (187) [system] k=(/)
^  Call: (187) [user] is_like_space(k)
   Call: (188) [system] char_type(k, 'white')
   Fail: (188) [system] char_type(k, 'white')
   Call: (188) [system] char_type(k, end_of_line)
   Fail: (188) [system] char_type(k, end_of_line)
   Call: (188) [system] char_type(k, space)
   Fail: (188) [system] char_type(k, space)
   Call: (188) [system] char_type(k, cntrl)
   Fail: (188) [system] char_type(k, cntrl)
^  Fail: (187) [user] is_like_space(k)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] get_char((0x55772f068e50), _1885406)
   Exit: (186) [system] get_char((0x55772f068e50), k)
   Call: (186) [system] k='('
   Fail: (186) [system] k='('
   Call: (186) [system] k='['
   Fail: (186) [system] k='['
   Call: (186) [system] k='{'
   Fail: (186) [system] k='{'
   Call: (186) [system] k='"'
   Fail: (186) [system] k='"'
   Call: (186) [system] k=!
   Fail: (186) [system] k=!
   Call: (186) [system] k='\''
   Fail: (186) [system] k='\''
   Call: (186) [system] k='`'
   Fail: (186) [system] k='`'
   Call: (186) [system] k=end_of_file
   Fail: (186) [system] k=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x55772f068e50), k, _1867538)
^  Call: (187) [user] read_symbolic_cont(')', (0x55772f068e50), _1903048)
   Call: (188) [system] peek_char((0x55772f068e50), _1903982)
   Exit: (188) [system] peek_char((0x55772f068e50), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_1908702, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_1909634, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x55772f068e50), b)
   Exit: (188) [system] get_char((0x55772f068e50), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _1916984)
   Call: (189) [system] peek_char((0x55772f068e50), _1917918)
   Exit: (189) [system] peek_char((0x55772f068e50), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_1922638, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _1916984=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (188) [system] _1903048=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
^  Call: (187) [user] classify_and_convert_charseq([k, b], _1867538)
^  Call: (188) [user] classify_and_convert_charseq_([k, b], _1931868)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1932820, _1932822), once(user:catch(read_from_chars([k, b], _1931868), _1932802, fail)), '$restore_trace'(_1932820, _1932822))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1932820, _1932822))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _1932802, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(kb)
   Exit: (189) [system] atomic(kb)
^  Exit: (188) [user] classify_and_convert_charseq_([k, b], kb)
   Call: (188) [system] integer(kb)
   Fail: (188) [system] integer(kb)
   Call: (188) [system] _1867538=kb
   Exit: (188) [system] kb=kb
^  Exit: (187) [user] classify_and_convert_charseq([k, b], kb)
^  Exit: (186) [user] read_symbolic(')', (0x55772f068e50), k, kb)
^  Exit: (185) [user] cont_sexpr(')', (0x55772f068e50), kb)
^  Call: (185) [user] read_list(')', (0x55772f068e50), _1944948)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1946806)
   Exit: (187) [system] peek_char((0x55772f068e50), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1962816)
   Exit: (186) [system] peek_char((0x55772f068e50), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x55772f068e50), _1966606)
   Exit: (186) [system] get_char((0x55772f068e50), ')')
   Call: (186) [system] _1944948=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [])
   Call: (185) [system] _1822520=[kb]
   Exit: (185) [system] [kb]=[kb]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [kb])
^  Exit: (183) [user] cont_sexpr(')', (0x55772f068e50), [kb])
^  Call: (183) [user] read_list(')', (0x55772f068e50), _1974900)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1976758)
   Exit: (185) [system] peek_char((0x55772f068e50), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x55772f068e50), _1986352)
   Exit: (185) [system] get_char((0x55772f068e50), ' ')
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1989056)
   Exit: (186) [system] peek_char((0x55772f068e50), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _2005990)
   Exit: (184) [system] peek_char((0x55772f068e50), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x55772f068e50), _2011560)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _2013418)
   Exit: (186) [system] peek_char((0x55772f068e50), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] get_char((0x55772f068e50), _2029428)
   Exit: (185) [system] get_char((0x55772f068e50), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x55772f068e50), _2011560)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _2034998)
   Exit: (187) [system] peek_char((0x55772f068e50), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
   Call: (187) [system] (:)=(/)
   Fail: (187) [system] (:)=(/)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _2051008)
   Exit: (186) [system] peek_char((0x55772f068e50), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x55772f068e50), _2056578)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _2058436)
   Exit: (188) [system] peek_char((0x55772f068e50), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
   Call: (188) [system] (:)=(/)
   Fail: (188) [system] (:)=(/)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] get_char((0x55772f068e50), _2074446)
   Exit: (187) [system] get_char((0x55772f068e50), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x55772f068e50), :, _2056578)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _2092088)
   Call: (189) [system] peek_char((0x55772f068e50), _2093022)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _3388=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (188) [user] classify_and_convert_charseq([:], _3384)
^  Call: (189) [user] classify_and_convert_charseq_([:], _8830)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_9782, _9784), once(user:catch(read_from_chars([:], _8830), _9764, fail)), '$restore_trace'(_9782, _9784))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_9782, _9784))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _9764, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(:)
   Exit: (190) [system] atomic(:)
^  Exit: (189) [user] classify_and_convert_charseq_([:], :)
   Call: (189) [system] integer(:)
   Fail: (189) [system] integer(:)
   Call: (189) [system] _3384=(:)
   Exit: (189) [system] (:)=(:)
^  Exit: (188) [user] classify_and_convert_charseq([:], :)
^  Exit: (187) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (186) [user] read_list(')', (0x55772f068e50), _21910)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _23768)
   Exit: (188) [system] peek_char((0x55772f068e50), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x55772f068e50), _33362)
   Exit: (188) [system] get_char((0x55772f068e50), ' ')
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _36066)
   Exit: (189) [system] peek_char((0x55772f068e50), a)
   Call: (189) [system] a=(;)
   Fail: (189) [system] a=(;)
   Call: (189) [system] a=(/)
   Fail: (189) [system] a=(/)
^  Call: (189) [user] is_like_space(a)
   Call: (190) [system] char_type(a, 'white')
   Fail: (190) [system] char_type(a, 'white')
   Call: (190) [system] char_type(a, end_of_line)
   Fail: (190) [system] char_type(a, end_of_line)
   Call: (190) [system] char_type(a, space)
   Fail: (190) [system] char_type(a, space)
   Call: (190) [system] char_type(a, cntrl)
   Fail: (190) [system] char_type(a, cntrl)
^  Fail: (189) [user] is_like_space(a)
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _53000)
   Exit: (187) [system] peek_char((0x55772f068e50), a)
   Call: (187) [system] a=')'
   Fail: (187) [system] a=')'
   Call: (187) [system] a=end_of_file
   Fail: (187) [system] a=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x55772f068e50), _58570)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _60428)
   Exit: (189) [system] peek_char((0x55772f068e50), a)
   Call: (189) [system] a=(;)
   Fail: (189) [system] a=(;)
   Call: (189) [system] a=(/)
   Fail: (189) [system] a=(/)
^  Call: (189) [user] is_like_space(a)
   Call: (190) [system] char_type(a, 'white')
   Fail: (190) [system] char_type(a, 'white')
   Call: (190) [system] char_type(a, end_of_line)
   Fail: (190) [system] char_type(a, end_of_line)
   Call: (190) [system] char_type(a, space)
   Fail: (190) [system] char_type(a, space)
   Call: (190) [system] char_type(a, cntrl)
   Fail: (190) [system] char_type(a, cntrl)
^  Fail: (189) [user] is_like_space(a)
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] get_char((0x55772f068e50), _76438)
   Exit: (188) [system] get_char((0x55772f068e50), a)
   Call: (188) [system] a='('
   Fail: (188) [system] a='('
   Call: (188) [system] a='['
   Fail: (188) [system] a='['
   Call: (188) [system] a='{'
   Fail: (188) [system] a='{'
   Call: (188) [system] a='"'
   Fail: (188) [system] a='"'
   Call: (188) [system] a=!
   Fail: (188) [system] a=!
   Call: (188) [system] a='\''
   Fail: (188) [system] a='\''
   Call: (188) [system] a='`'
   Fail: (188) [system] a='`'
   Call: (188) [system] a=end_of_file
   Fail: (188) [system] a=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x55772f068e50), a, _58570)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _94080)
   Call: (190) [system] peek_char((0x55772f068e50), _95014)
   Exit: (190) [system] peek_char((0x55772f068e50), ' ')
^  Call: (190) [user] is_delimiter(' ')
   Call: (191) [system] char_type(' ', space)
   Exit: (191) [system] char_type(' ', space)
^  Exit: (190) [user] is_delimiter(' ')
   Call: (190) [system] _94080=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (189) [user] classify_and_convert_charseq([a], _58570)
^  Call: (190) [user] classify_and_convert_charseq_([a], _104298)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_105250, _105252), once(user:catch(read_from_chars([a], _104298), _105232, fail)), '$restore_trace'(_105250, _105252))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_105250, _105252))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _105232, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(a)
   Exit: (191) [system] atomic(a)
^  Exit: (190) [user] classify_and_convert_charseq_([a], a)
   Call: (190) [system] integer(a)
   Fail: (190) [system] integer(a)
   Call: (190) [system] _58570=a
   Exit: (190) [system] a=a
^  Exit: (189) [user] classify_and_convert_charseq([a], a)
^  Exit: (188) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (187) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (187) [user] read_list(')', (0x55772f068e50), _117378)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _119236)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x55772f068e50), _128830)
   Exit: (189) [system] get_char((0x55772f068e50), ' ')
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _131534)
   Exit: (190) [system] peek_char((0x55772f068e50), 'A')
   Call: (190) [system] 'A'=(;)
   Fail: (190) [system] 'A'=(;)
   Call: (190) [system] 'A'=(/)
   Fail: (190) [system] 'A'=(/)
^  Call: (190) [user] is_like_space('A')
   Call: (191) [system] char_type('A', 'white')
   Fail: (191) [system] char_type('A', 'white')
   Call: (191) [system] char_type('A', end_of_line)
   Fail: (191) [system] char_type('A', end_of_line)
   Call: (191) [system] char_type('A', space)
   Fail: (191) [system] char_type('A', space)
   Call: (191) [system] char_type('A', cntrl)
   Fail: (191) [system] char_type('A', cntrl)
^  Fail: (190) [user] is_like_space('A')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _148468)
   Exit: (188) [system] peek_char((0x55772f068e50), 'A')
   Call: (188) [system] 'A'=')'
   Fail: (188) [system] 'A'=')'
   Call: (188) [system] 'A'=end_of_file
   Fail: (188) [system] 'A'=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x55772f068e50), _154038)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _155896)
   Exit: (190) [system] peek_char((0x55772f068e50), 'A')
   Call: (190) [system] 'A'=(;)
   Fail: (190) [system] 'A'=(;)
   Call: (190) [system] 'A'=(/)
   Fail: (190) [system] 'A'=(/)
^  Call: (190) [user] is_like_space('A')
   Call: (191) [system] char_type('A', 'white')
   Fail: (191) [system] char_type('A', 'white')
   Call: (191) [system] char_type('A', end_of_line)
   Fail: (191) [system] char_type('A', end_of_line)
   Call: (191) [system] char_type('A', space)
   Fail: (191) [system] char_type('A', space)
   Call: (191) [system] char_type('A', cntrl)
   Fail: (191) [system] char_type('A', cntrl)
^  Fail: (190) [user] is_like_space('A')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] get_char((0x55772f068e50), _171906)
   Exit: (189) [system] get_char((0x55772f068e50), 'A')
   Call: (189) [system] 'A'='('
   Fail: (189) [system] 'A'='('
   Call: (189) [system] 'A'='['
   Fail: (189) [system] 'A'='['
   Call: (189) [system] 'A'='{'
   Fail: (189) [system] 'A'='{'
   Call: (189) [system] 'A'='"'
   Fail: (189) [system] 'A'='"'
   Call: (189) [system] 'A'=!
   Fail: (189) [system] 'A'=!
   Call: (189) [system] 'A'='\''
   Fail: (189) [system] 'A'='\''
   Call: (189) [system] 'A'='`'
   Fail: (189) [system] 'A'='`'
   Call: (189) [system] 'A'=end_of_file
   Fail: (189) [system] 'A'=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x55772f068e50), 'A', _154038)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _189548)
   Call: (191) [system] peek_char((0x55772f068e50), _190482)
   Exit: (191) [system] peek_char((0x55772f068e50), ')')
^  Call: (191) [user] is_delimiter(')')
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] arg(_195202, v('(', ')', end_of_file), ')')
   Exit: (192) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (191) [user] is_delimiter(')')
   Call: (191) [system] _189548=[]
   Exit: (191) [system] []=[]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (190) [user] classify_and_convert_charseq(['A'], _154038)
^  Call: (191) [user] classify_and_convert_charseq_(['A'], _201638)
^  Call: (193) [system] setup_call_cleanup('$notrace'(_202590, _202592), once(user:catch(read_from_chars(['A'], _201638), _202572, fail)), '$restore_trace'(_202590, _202592))
^  Call: (194) [system] sig_atomic(system:'$notrace'(_202590, _202592))
^  Exit: (193) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _201638), _202572, fail)), system:'$restore_trace'(3, -1))
   Call: (192) [system] atomic(_201638)
   Fail: (192) [system] atomic(_201638)
   Call: (192) [system] atom_chars(_201638, ['A'])
   Exit: (192) [system] atom_chars('A', ['A'])
^  Exit: (191) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (191) [system] integer('A')
   Fail: (191) [system] integer('A')
   Call: (191) [system] _154038='A'
   Exit: (191) [system] 'A'='A'
^  Exit: (190) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (189) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (188) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (188) [user] read_list(')', (0x55772f068e50), _216588)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _218446)
   Exit: (190) [system] peek_char((0x55772f068e50), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _234456)
   Exit: (189) [system] peek_char((0x55772f068e50), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x55772f068e50), _238246)
   Exit: (189) [system] get_char((0x55772f068e50), ')')
   Call: (189) [system] _216588=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [])
   Call: (188) [system] _117378=['A']
   Exit: (188) [system] ['A']=['A']
^  Exit: (187) [user] read_list(')', (0x55772f068e50), ['A'])
   Call: (187) [system] _21910=[a, 'A']
   Exit: (187) [system] [a, 'A']=[a, 'A']
^  Exit: (186) [user] read_list(')', (0x55772f068e50), [a, 'A'])
   Call: (186) [system] _3378=[:, a, 'A']
   Exit: (186) [system] [:, a, 'A']=[:, a, 'A']
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [:, a, 'A'])
^  Exit: (184) [user] cont_sexpr(')', (0x55772f068e50), [:, a, 'A'])
^  Call: (184) [user] read_list(')', (0x55772f068e50), _252128)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _253986)
   Exit: (186) [system] peek_char((0x55772f068e50), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _269996)
   Exit: (185) [system] peek_char((0x55772f068e50), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x55772f068e50), _273786)
   Exit: (185) [system] get_char((0x55772f068e50), ')')
   Call: (185) [system] _252128=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [])
   Call: (184) [system] _3374=[[:, a, 'A']]
   Exit: (184) [system] [[:, a, 'A']]=[[:, a, 'A']]
^  Exit: (183) [user] read_list(')', (0x55772f068e50), [[:, a, 'A']])
   Call: (183) [system] _3362=[[kb], [:, a, 'A']]
   Exit: (183) [system] [[kb], [:, a, 'A']]=[[kb], [:, a, 'A']]
^  Exit: (182) [user] read_list(')', (0x55772f068e50), [[kb], [:, a, 'A']])
   Call: (182) [system] _3322=[=, [kb], [:, a, 'A']]
   Exit: (182) [system] [=, [kb], [:, a, 'A']]=[=, [kb], [:, a, 'A']]
^  Exit: (181) [user] read_list(')', (0x55772f068e50), [=, [kb], [:, a, 'A']])
^  Exit: (180) [user] cont_sexpr(')', (0x55772f068e50), [=, [kb], [:, a, 'A']])
^  Exit: (179) [user] read_sexpr((0x55772f068e50), [=, [kb], [:, a, 'A']])
^  Call: (179) [user] assertz(metta_file_comment(96, 0, 4073, [=, [kb], [:, a, 'A']], '$stream_position'(4073, 96, 0, 4073)))
^  Exit: (179) [user] assertz(metta_file_comment(96, 0, 4073, [=, [kb], [:, a, 'A']], '$stream_position'(4073, 96, 0, 4073)))
^  Exit: (177) [system] once(user:(read_position((0x55772f068e50), 96, 0, 4073, '$stream_position'(4073, 96, 0, 4073)), read_sexpr((0x55772f068e50), [=, [kb], [:, a, 'A']]), assertz(metta_file_comment(96, 0, 4073, [=, [kb], [:, a, 'A']], '$stream_position'(4073, 96, 0, 4073)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_292304, _292306, _292308, _292310, _292312))
^  Exit: (177) [user] retract(metta_file_comment(45, 0, 1474, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), '$stream_position'(1474, 45, 0, 1474)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), _295152))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), _295152)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), _295152)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), _297968))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), _297968))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), _297968)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), _300768))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), _300768)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), _300768)
   Call: (187) [system] var('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0))
   Call: (187) [system] atom('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0))
   Call: (187) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0)==true
   Call: (187) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0)==false
   Call: (187) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0)==[_307288, _307294]
   Call: (187) [system] is_list('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0))
   Call: (187) [system] string('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0))
   Call: (187) [system] compound('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0))
   Exit: (187) [system] compound('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), _311922, _311924)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), '$COMMENT', [";; $depth: a Nat representing the maximum depth of the generated", 45, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";; $depth: a Nat representing the maximum depth of the generated", 45, 0], _315664)
   Call: (188) [apply] apply:maplist_([";; $depth: a Nat representing the maximum depth of the generated", 45, 0], _315664, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";; $depth: a Nat representing the maximum depth of the generated", _317544)
   Call: (190) [system] var(";; $depth: a Nat representing the maximum depth of the generated")
   Call: (190) [system] atom(";; $depth: a Nat representing the maximum depth of the generated")
   Call: (190) [system] ";; $depth: a Nat representing the maximum depth of the generated"==true
   Call: (190) [system] ";; $depth: a Nat representing the maximum depth of the generated"==false
   Call: (190) [system] ";; $depth: a Nat representing the maximum depth of the generated"==[_322186, _322192]
   Call: (190) [system] is_list(";; $depth: a Nat representing the maximum depth of the generated")
   Call: (190) [system] string(";; $depth: a Nat representing the maximum depth of the generated")
   Exit: (190) [system] string(";; $depth: a Nat representing the maximum depth of the generated")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";; $depth: a Nat representing the maximum depth of the generated")
^  Call: (190) [user] symbol(";; $depth: a Nat representing the maximum depth of the generated")
   Call: (191) [system] atom(";; $depth: a Nat representing the maximum depth of the generated")
   Fail: (191) [system] atom(";; $depth: a Nat representing the maximum depth of the generated")
^  Fail: (190) [user] symbol(";; $depth: a Nat representing the maximum depth of the generated")
   Call: (190) [system] ";; $depth: a Nat representing the maximum depth of the generated"=_317544
   Exit: (190) [system] ";; $depth: a Nat representing the maximum depth of the generated"=";; $depth: a Nat representing the maximum depth of the generated"
^  Exit: (189) [user] mfix_vars1(";; $depth: a Nat representing the maximum depth of the generated", ";; $depth: a Nat representing the maximum depth of the generated")
   Call: (189) [apply] apply:maplist_([45, 0], _317546, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(45, _336066)
   Call: (191) [system] var(45)
   Call: (191) [system] atom(45)
   Call: (191) [system] 45==true
   Call: (191) [system] 45==false
   Call: (191) [system] 45==[_340708, _340714]
   Call: (191) [system] is_list(45)
   Call: (191) [system] string(45)
   Call: (191) [system] compound(45)
^  Call: (191) [user] symbol(45)
   Call: (192) [system] atom(45)
   Fail: (192) [system] atom(45)
^  Fail: (191) [user] symbol(45)
   Call: (191) [system] 45=_336066
   Exit: (191) [system] 45=45
^  Exit: (190) [user] mfix_vars1(45, 45)
   Call: (190) [apply] apply:maplist_([0], _336068, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _351832)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_356474, _356480]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_351832
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _351834, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([45, 0], [45, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";; $depth: a Nat representing the maximum depth of the generated", 45, 0], [";; $depth: a Nat representing the maximum depth of the generated", 45, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";; $depth: a Nat representing the maximum depth of the generated", 45, 0], [";; $depth: a Nat representing the maximum depth of the generated", 45, 0])
   Call: (187) [system] compound_name_arguments(_300768, '$COMMENT', [";; $depth: a Nat representing the maximum depth of the generated", 45, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), '$COMMENT', [";; $depth: a Nat representing the maximum depth of the generated", 45, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0)))
   Call: (184) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0)\=@='$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), _380650))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), _380650))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), _380650)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), _383450))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), _383450)
^  Call: (186) [user] cons_to_c('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), _383450)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0)))
   Call: (184) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0)\=@='$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), _295152))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), _295152))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), _295152)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), _397408))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), _397408)
^  Call: (186) [user] cons_to_l('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), _397408)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0)))
   Call: (184) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0)\=@='$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0)))
   Call: (178) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0)\=@='$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0))
^  Exit: (171) [user] read_sform((0x55772f068e50), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0))
^  Exit: (170) [system] once(user:read_sform((0x55772f068e50), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x55772f068e50), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0)))
   Call: (169) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727481854.2066653), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481854.2066653), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0)), 95]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), me_synthesize_1727481849_9551582, 95)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727481854.2066653), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481854.2066653), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0)), 95]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727481858.1133192)
   Call: (173) [system] arg(1, t(1727481854.2066653), _3148)
   Exit: (173) [system] arg(1, t(1727481854.2066653), 1727481854.2066653)
   Call: (173) [system] _3158 is 1727481858.1133192-1727481854.2066653
   Exit: (173) [system] 3.906653881072998 is 1727481858.1133192-1727481854.2066653
   Call: (173) [system] 3.906653881072998>4
   Fail: (173) [system] 3.906653881072998>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727481854.2066653), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481854.2066653), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0)), 95]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 11)
   Call: (175) [system] atom(11+1)
   Call: (175) [system] set_flag(translated_forms, 12)
   Exit: (175) [system] set_flag(translated_forms, 12)
   Exit: (174) [$syspreds] update_flag(translated_forms, 11, 11+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 11, 11+1))
   Exit: (171) [$syspreds] flag(translated_forms, 11, 11+1)
^  Call: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), me_synthesize_1727481849_9551582, 95)
^  Call: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";; $depth: a Nat representing the maximum depth of the generated"])
^  Exit: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";; $depth: a Nat representing the maximum depth of the generated"])
^  Exit: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), me_synthesize_1727481849_9551582, 95)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727481854.2066653), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481854.2066653), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0)), 95]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 11, 11+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 45, 0), me_synthesize_1727481849_9551582, 95)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x55772f068e50))
   Fail: (169) [system] at_end_of_stream((0x55772f068e50))
^  Call: (169) [user] must_det_ll(line_count((0x55772f068e50), _3074))
^  Call: (170) [user] once(user:line_count((0x55772f068e50), _3074))
   Call: (171) [system] line_count((0x55772f068e50), _3074)
   Exit: (171) [system] line_count((0x55772f068e50), 96)
^  Exit: (170) [system] once(user:line_count((0x55772f068e50), 96))
^  Exit: (169) [user] must_det_ll(user:line_count((0x55772f068e50), 96))
^  Call: (169) [user] must_det_ll(read_sform((0x55772f068e50), _3084))
^  Call: (170) [user] once(user:read_sform((0x55772f068e50), _3084))
^  Call: (171) [user] read_sform((0x55772f068e50), _3084)
   Call: (172) [system] string((0x55772f068e50))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (173) [system] string((0x55772f068e50))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (174) [system] at_end_of_stream((0x55772f068e50))
   Call: (174) [system] peek_char((0x55772f068e50), _472192)
   Exit: (174) [system] peek_char((0x55772f068e50), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x55772f068e50), '\n')
   Exit: (174) [system] get_char((0x55772f068e50), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), _3084)
   Call: (175) [system] at_end_of_stream((0x55772f068e50))
   Call: (175) [system] peek_char((0x55772f068e50), _479614)
   Exit: (175) [system] peek_char((0x55772f068e50), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (176) [system] string((0x55772f068e50))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (177) [system] at_end_of_stream((0x55772f068e50))
   Call: (177) [system] peek_char((0x55772f068e50), _487952)
   Exit: (177) [system] peek_char((0x55772f068e50), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _490738=(0x55772f068e50)
   Exit: (177) [system] (0x55772f068e50)=(0x55772f068e50)
^  Call: (177) [user] once((read_position((0x55772f068e50), _492606, _492608, _492610, _492612), read_sexpr((0x55772f068e50), _492624), assertz(metta_file_comment(_492606, _492608, _492610, _492624, _492612))))
^  Call: (179) [user] read_position((0x55772f068e50), _492606, _492608, _492610, _492612)
   Call: (180) [system] stream_property((0x55772f068e50), position(_492612))
   Call: (181) [system] nonvar((0x55772f068e50))
   Exit: (181) [system] nonvar((0x55772f068e50))
   Call: (181) [system] nonvar(position(_492612))
   Exit: (181) [system] nonvar(position(_492612))
   Exit: (180) [system] stream_property((0x55772f068e50), position('$stream_position'(4090, 97, 0, 4090)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4090, 97, 0, 4090), _492606)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _502864)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4090, 97, 0, 4090), _492606)
   Exit: (181) [system] arg(2, '$stream_position'(4090, 97, 0, 4090), 97)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4090, 97, 0, 4090), 97)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4090, 97, 0, 4090), _492608)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _510298)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4090, 97, 0, 4090), _492608)
   Exit: (181) [system] arg(3, '$stream_position'(4090, 97, 0, 4090), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4090, 97, 0, 4090), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4090, 97, 0, 4090), _492610)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _517732)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4090, 97, 0, 4090), _492610)
   Exit: (181) [system] arg(1, '$stream_position'(4090, 97, 0, 4090), 4090)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4090, 97, 0, 4090), 4090)
^  Exit: (179) [user] read_position((0x55772f068e50), 97, 0, 4090, '$stream_position'(4090, 97, 0, 4090))
^  Call: (179) [user] read_sexpr((0x55772f068e50), _492624)
   Call: (180) [system] string((0x55772f068e50))
   Fail: (180) [system] string((0x55772f068e50))
^  Call: (180) [user] cont_sexpr(')', (0x55772f068e50), _492624)
^  Call: (181) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _527958)
   Exit: (182) [system] peek_char((0x55772f068e50), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x55772f068e50))
   Call: (181) [system] get_char((0x55772f068e50), _543968)
   Exit: (181) [system] get_char((0x55772f068e50), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x55772f068e50), _492624)
^  Call: (182) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _549538)
   Exit: (183) [system] peek_char((0x55772f068e50), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _565548)
   Exit: (182) [system] peek_char((0x55772f068e50), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x55772f068e50), _571118)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _572976)
   Exit: (184) [system] peek_char((0x55772f068e50), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] get_char((0x55772f068e50), _588986)
   Exit: (183) [system] get_char((0x55772f068e50), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x55772f068e50), =, _571118)
^  Call: (184) [user] read_symbolic_cont(')', (0x55772f068e50), _606628)
   Call: (185) [system] peek_char((0x55772f068e50), _607562)
   Exit: (185) [system] peek_char((0x55772f068e50), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _606628=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _571118)
^  Call: (185) [user] classify_and_convert_charseq_([=], _616846)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_617798, _617800), once(user:catch(read_from_chars([=], _616846), _617780, fail)), '$restore_trace'(_617798, _617800))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_617798, _617800))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _617780, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _571118=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x55772f068e50), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x55772f068e50), =)
^  Call: (182) [user] read_list(')', (0x55772f068e50), _629926)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _631784)
   Exit: (184) [system] peek_char((0x55772f068e50), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x55772f068e50), _641378)
   Exit: (184) [system] get_char((0x55772f068e50), ' ')
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _644082)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _661016)
   Exit: (183) [system] peek_char((0x55772f068e50), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x55772f068e50), _666586)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _668444)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] get_char((0x55772f068e50), _684454)
   Exit: (184) [system] get_char((0x55772f068e50), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x55772f068e50), _666586)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _690024)
   Exit: (186) [system] peek_char((0x55772f068e50), k)
   Call: (186) [system] k=(;)
   Fail: (186) [system] k=(;)
   Call: (186) [system] k=(/)
   Fail: (186) [system] k=(/)
^  Call: (186) [user] is_like_space(k)
   Call: (187) [system] char_type(k, 'white')
   Fail: (187) [system] char_type(k, 'white')
   Call: (187) [system] char_type(k, end_of_line)
   Fail: (187) [system] char_type(k, end_of_line)
   Call: (187) [system] char_type(k, space)
   Fail: (187) [system] char_type(k, space)
   Call: (187) [system] char_type(k, cntrl)
   Fail: (187) [system] char_type(k, cntrl)
^  Fail: (186) [user] is_like_space(k)
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _706034)
   Exit: (185) [system] peek_char((0x55772f068e50), k)
   Call: (185) [system] k=')'
   Fail: (185) [system] k=')'
   Call: (185) [system] k=end_of_file
   Fail: (185) [system] k=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x55772f068e50), _711604)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _713462)
   Exit: (187) [system] peek_char((0x55772f068e50), k)
   Call: (187) [system] k=(;)
   Fail: (187) [system] k=(;)
   Call: (187) [system] k=(/)
   Fail: (187) [system] k=(/)
^  Call: (187) [user] is_like_space(k)
   Call: (188) [system] char_type(k, 'white')
   Fail: (188) [system] char_type(k, 'white')
   Call: (188) [system] char_type(k, end_of_line)
   Fail: (188) [system] char_type(k, end_of_line)
   Call: (188) [system] char_type(k, space)
   Fail: (188) [system] char_type(k, space)
   Call: (188) [system] char_type(k, cntrl)
   Fail: (188) [system] char_type(k, cntrl)
^  Fail: (187) [user] is_like_space(k)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] get_char((0x55772f068e50), _729472)
   Exit: (186) [system] get_char((0x55772f068e50), k)
   Call: (186) [system] k='('
   Fail: (186) [system] k='('
   Call: (186) [system] k='['
   Fail: (186) [system] k='['
   Call: (186) [system] k='{'
   Fail: (186) [system] k='{'
   Call: (186) [system] k='"'
   Fail: (186) [system] k='"'
   Call: (186) [system] k=!
   Fail: (186) [system] k=!
   Call: (186) [system] k='\''
   Fail: (186) [system] k='\''
   Call: (186) [system] k='`'
   Fail: (186) [system] k='`'
   Call: (186) [system] k=end_of_file
   Fail: (186) [system] k=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x55772f068e50), k, _711604)
^  Call: (187) [user] read_symbolic_cont(')', (0x55772f068e50), _747114)
   Call: (188) [system] peek_char((0x55772f068e50), _748048)
   Exit: (188) [system] peek_char((0x55772f068e50), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_752768, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_753700, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x55772f068e50), b)
   Exit: (188) [system] get_char((0x55772f068e50), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _761050)
   Call: (189) [system] peek_char((0x55772f068e50), _761984)
   Exit: (189) [system] peek_char((0x55772f068e50), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_766704, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _761050=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (188) [system] _747114=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
^  Call: (187) [user] classify_and_convert_charseq([k, b], _711604)
^  Call: (188) [user] classify_and_convert_charseq_([k, b], _775934)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_776886, _776888), once(user:catch(read_from_chars([k, b], _775934), _776868, fail)), '$restore_trace'(_776886, _776888))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_776886, _776888))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _776868, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(kb)
   Exit: (189) [system] atomic(kb)
^  Exit: (188) [user] classify_and_convert_charseq_([k, b], kb)
   Call: (188) [system] integer(kb)
   Fail: (188) [system] integer(kb)
   Call: (188) [system] _711604=kb
   Exit: (188) [system] kb=kb
^  Exit: (187) [user] classify_and_convert_charseq([k, b], kb)
^  Exit: (186) [user] read_symbolic(')', (0x55772f068e50), k, kb)
^  Exit: (185) [user] cont_sexpr(')', (0x55772f068e50), kb)
^  Call: (185) [user] read_list(')', (0x55772f068e50), _789014)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _790872)
   Exit: (187) [system] peek_char((0x55772f068e50), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _806882)
   Exit: (186) [system] peek_char((0x55772f068e50), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x55772f068e50), _810672)
   Exit: (186) [system] get_char((0x55772f068e50), ')')
   Call: (186) [system] _789014=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [])
   Call: (185) [system] _666586=[kb]
   Exit: (185) [system] [kb]=[kb]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [kb])
^  Exit: (183) [user] cont_sexpr(')', (0x55772f068e50), [kb])
^  Call: (183) [user] read_list(')', (0x55772f068e50), _818966)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _820824)
   Exit: (185) [system] peek_char((0x55772f068e50), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x55772f068e50), _830418)
   Exit: (185) [system] get_char((0x55772f068e50), ' ')
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _833122)
   Exit: (186) [system] peek_char((0x55772f068e50), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _850056)
   Exit: (184) [system] peek_char((0x55772f068e50), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x55772f068e50), _855626)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _857484)
   Exit: (186) [system] peek_char((0x55772f068e50), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] get_char((0x55772f068e50), _873494)
   Exit: (185) [system] get_char((0x55772f068e50), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x55772f068e50), _855626)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _879064)
   Exit: (187) [system] peek_char((0x55772f068e50), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
   Call: (187) [system] (:)=(/)
   Fail: (187) [system] (:)=(/)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _895074)
   Exit: (186) [system] peek_char((0x55772f068e50), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x55772f068e50), _900644)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _902502)
   Exit: (188) [system] peek_char((0x55772f068e50), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
   Call: (188) [system] (:)=(/)
   Fail: (188) [system] (:)=(/)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] get_char((0x55772f068e50), _918512)
   Exit: (187) [system] get_char((0x55772f068e50), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x55772f068e50), :, _900644)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _936154)
   Call: (189) [system] peek_char((0x55772f068e50), _937088)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _936154=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (188) [user] classify_and_convert_charseq([:], _900644)
^  Call: (189) [user] classify_and_convert_charseq_([:], _946372)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_947324, _947326), once(user:catch(read_from_chars([:], _946372), _947306, fail)), '$restore_trace'(_947324, _947326))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_947324, _947326))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _947306, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(:)
   Exit: (190) [system] atomic(:)
^  Exit: (189) [user] classify_and_convert_charseq_([:], :)
   Call: (189) [system] integer(:)
   Fail: (189) [system] integer(:)
   Call: (189) [system] _900644=(:)
   Exit: (189) [system] (:)=(:)
^  Exit: (188) [user] classify_and_convert_charseq([:], :)
^  Exit: (187) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (186) [user] read_list(')', (0x55772f068e50), _959452)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _961310)
   Exit: (188) [system] peek_char((0x55772f068e50), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x55772f068e50), _970904)
   Exit: (188) [system] get_char((0x55772f068e50), ' ')
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _973608)
   Exit: (189) [system] peek_char((0x55772f068e50), a)
   Call: (189) [system] a=(;)
   Fail: (189) [system] a=(;)
   Call: (189) [system] a=(/)
   Fail: (189) [system] a=(/)
^  Call: (189) [user] is_like_space(a)
   Call: (190) [system] char_type(a, 'white')
   Fail: (190) [system] char_type(a, 'white')
   Call: (190) [system] char_type(a, end_of_line)
   Fail: (190) [system] char_type(a, end_of_line)
   Call: (190) [system] char_type(a, space)
   Fail: (190) [system] char_type(a, space)
   Call: (190) [system] char_type(a, cntrl)
   Fail: (190) [system] char_type(a, cntrl)
^  Fail: (189) [user] is_like_space(a)
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _990542)
   Exit: (187) [system] peek_char((0x55772f068e50), a)
   Call: (187) [system] a=')'
   Fail: (187) [system] a=')'
   Call: (187) [system] a=end_of_file
   Fail: (187) [system] a=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x55772f068e50), _996112)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _997970)
   Exit: (189) [system] peek_char((0x55772f068e50), a)
   Call: (189) [system] a=(;)
   Fail: (189) [system] a=(;)
   Call: (189) [system] a=(/)
   Fail: (189) [system] a=(/)
^  Call: (189) [user] is_like_space(a)
   Call: (190) [system] char_type(a, 'white')
   Fail: (190) [system] char_type(a, 'white')
   Call: (190) [system] char_type(a, end_of_line)
   Fail: (190) [system] char_type(a, end_of_line)
   Call: (190) [system] char_type(a, space)
   Fail: (190) [system] char_type(a, space)
   Call: (190) [system] char_type(a, cntrl)
   Fail: (190) [system] char_type(a, cntrl)
^  Fail: (189) [user] is_like_space(a)
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] get_char((0x55772f068e50), _1013980)
   Exit: (188) [system] get_char((0x55772f068e50), a)
   Call: (188) [system] a='('
   Fail: (188) [system] a='('
   Call: (188) [system] a='['
   Fail: (188) [system] a='['
   Call: (188) [system] a='{'
   Fail: (188) [system] a='{'
   Call: (188) [system] a='"'
   Fail: (188) [system] a='"'
   Call: (188) [system] a=!
   Fail: (188) [system] a=!
   Call: (188) [system] a='\''
   Fail: (188) [system] a='\''
   Call: (188) [system] a='`'
   Fail: (188) [system] a='`'
   Call: (188) [system] a=end_of_file
   Fail: (188) [system] a=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x55772f068e50), a, _996112)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _1031622)
   Call: (190) [system] peek_char((0x55772f068e50), _1032556)
   Exit: (190) [system] peek_char((0x55772f068e50), ' ')
^  Call: (190) [user] is_delimiter(' ')
   Call: (191) [system] char_type(' ', space)
   Exit: (191) [system] char_type(' ', space)
^  Exit: (190) [user] is_delimiter(' ')
   Call: (190) [system] _1031622=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (189) [user] classify_and_convert_charseq([a], _996112)
^  Call: (190) [user] classify_and_convert_charseq_([a], _1041840)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_1042792, _1042794), once(user:catch(read_from_chars([a], _1041840), _1042774, fail)), '$restore_trace'(_1042792, _1042794))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_1042792, _1042794))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1042774, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(a)
   Exit: (191) [system] atomic(a)
^  Exit: (190) [user] classify_and_convert_charseq_([a], a)
   Call: (190) [system] integer(a)
   Fail: (190) [system] integer(a)
   Call: (190) [system] _996112=a
   Exit: (190) [system] a=a
^  Exit: (189) [user] classify_and_convert_charseq([a], a)
^  Exit: (188) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (187) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (187) [user] read_list(')', (0x55772f068e50), _1054920)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1056778)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x55772f068e50), _1066372)
   Exit: (189) [system] get_char((0x55772f068e50), ' ')
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1069076)
   Exit: (190) [system] peek_char((0x55772f068e50), 'B')
   Call: (190) [system] 'B'=(;)
   Fail: (190) [system] 'B'=(;)
   Call: (190) [system] 'B'=(/)
   Fail: (190) [system] 'B'=(/)
^  Call: (190) [user] is_like_space('B')
   Call: (191) [system] char_type('B', 'white')
   Fail: (191) [system] char_type('B', 'white')
   Call: (191) [system] char_type('B', end_of_line)
   Fail: (191) [system] char_type('B', end_of_line)
   Call: (191) [system] char_type('B', space)
   Fail: (191) [system] char_type('B', space)
   Call: (191) [system] char_type('B', cntrl)
   Fail: (191) [system] char_type('B', cntrl)
^  Fail: (190) [user] is_like_space('B')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1086010)
   Exit: (188) [system] peek_char((0x55772f068e50), 'B')
   Call: (188) [system] 'B'=')'
   Fail: (188) [system] 'B'=')'
   Call: (188) [system] 'B'=end_of_file
   Fail: (188) [system] 'B'=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x55772f068e50), _1091580)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1093438)
   Exit: (190) [system] peek_char((0x55772f068e50), 'B')
   Call: (190) [system] 'B'=(;)
   Fail: (190) [system] 'B'=(;)
   Call: (190) [system] 'B'=(/)
   Fail: (190) [system] 'B'=(/)
^  Call: (190) [user] is_like_space('B')
   Call: (191) [system] char_type('B', 'white')
   Fail: (191) [system] char_type('B', 'white')
   Call: (191) [system] char_type('B', end_of_line)
   Fail: (191) [system] char_type('B', end_of_line)
   Call: (191) [system] char_type('B', space)
   Fail: (191) [system] char_type('B', space)
   Call: (191) [system] char_type('B', cntrl)
   Fail: (191) [system] char_type('B', cntrl)
^  Fail: (190) [user] is_like_space('B')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] get_char((0x55772f068e50), _1109448)
   Exit: (189) [system] get_char((0x55772f068e50), 'B')
   Call: (189) [system] 'B'='('
   Fail: (189) [system] 'B'='('
   Call: (189) [system] 'B'='['
   Fail: (189) [system] 'B'='['
   Call: (189) [system] 'B'='{'
   Fail: (189) [system] 'B'='{'
   Call: (189) [system] 'B'='"'
   Fail: (189) [system] 'B'='"'
   Call: (189) [system] 'B'=!
   Fail: (189) [system] 'B'=!
   Call: (189) [system] 'B'='\''
   Fail: (189) [system] 'B'='\''
   Call: (189) [system] 'B'='`'
   Fail: (189) [system] 'B'='`'
   Call: (189) [system] 'B'=end_of_file
   Fail: (189) [system] 'B'=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x55772f068e50), 'B', _1091580)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _1127090)
   Call: (191) [system] peek_char((0x55772f068e50), _1128024)
   Exit: (191) [system] peek_char((0x55772f068e50), ')')
^  Call: (191) [user] is_delimiter(')')
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] arg(_1132744, v('(', ')', end_of_file), ')')
   Exit: (192) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (191) [user] is_delimiter(')')
   Call: (191) [system] _1127090=[]
   Exit: (191) [system] []=[]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (190) [user] classify_and_convert_charseq(['B'], _1091580)
^  Call: (191) [user] classify_and_convert_charseq_(['B'], _1139180)
^  Call: (193) [system] setup_call_cleanup('$notrace'(_1140132, _1140134), once(user:catch(read_from_chars(['B'], _1139180), _1140114, fail)), '$restore_trace'(_1140132, _1140134))
^  Call: (194) [system] sig_atomic(system:'$notrace'(_1140132, _1140134))
^  Exit: (193) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1139180), _1140114, fail)), system:'$restore_trace'(3, -1))
   Call: (192) [system] atomic(_1139180)
   Fail: (192) [system] atomic(_1139180)
   Call: (192) [system] atom_chars(_1139180, ['B'])
   Exit: (192) [system] atom_chars('B', ['B'])
^  Exit: (191) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (191) [system] integer('B')
   Fail: (191) [system] integer('B')
   Call: (191) [system] _1091580='B'
   Exit: (191) [system] 'B'='B'
^  Exit: (190) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (189) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (188) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (188) [user] read_list(')', (0x55772f068e50), _1154130)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1155988)
   Exit: (190) [system] peek_char((0x55772f068e50), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1171998)
   Exit: (189) [system] peek_char((0x55772f068e50), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x55772f068e50), _1175788)
   Exit: (189) [system] get_char((0x55772f068e50), ')')
   Call: (189) [system] _1154130=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [])
   Call: (188) [system] _1054920=['B']
   Exit: (188) [system] ['B']=['B']
^  Exit: (187) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (187) [system] _959452=[a, 'B']
   Exit: (187) [system] [a, 'B']=[a, 'B']
^  Exit: (186) [user] read_list(')', (0x55772f068e50), [a, 'B'])
   Call: (186) [system] _855626=[:, a, 'B']
   Exit: (186) [system] [:, a, 'B']=[:, a, 'B']
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [:, a, 'B'])
^  Exit: (184) [user] cont_sexpr(')', (0x55772f068e50), [:, a, 'B'])
^  Call: (184) [user] read_list(')', (0x55772f068e50), _1189670)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1191528)
   Exit: (186) [system] peek_char((0x55772f068e50), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1207538)
   Exit: (185) [system] peek_char((0x55772f068e50), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x55772f068e50), _1211328)
   Exit: (185) [system] get_char((0x55772f068e50), ')')
   Call: (185) [system] _1189670=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [])
   Call: (184) [system] _818966=[[:, a, 'B']]
   Exit: (184) [system] [[:, a, 'B']]=[[:, a, 'B']]
^  Exit: (183) [user] read_list(')', (0x55772f068e50), [[:, a, 'B']])
   Call: (183) [system] _629926=[[kb], [:, a, 'B']]
   Exit: (183) [system] [[kb], [:, a, 'B']]=[[kb], [:, a, 'B']]
^  Exit: (182) [user] read_list(')', (0x55772f068e50), [[kb], [:, a, 'B']])
   Call: (182) [system] _492624=[=, [kb], [:, a, 'B']]
   Exit: (182) [system] [=, [kb], [:, a, 'B']]=[=, [kb], [:, a, 'B']]
^  Exit: (181) [user] read_list(')', (0x55772f068e50), [=, [kb], [:, a, 'B']])
^  Exit: (180) [user] cont_sexpr(')', (0x55772f068e50), [=, [kb], [:, a, 'B']])
^  Exit: (179) [user] read_sexpr((0x55772f068e50), [=, [kb], [:, a, 'B']])
^  Call: (179) [user] assertz(metta_file_comment(97, 0, 4090, [=, [kb], [:, a, 'B']], '$stream_position'(4090, 97, 0, 4090)))
^  Exit: (179) [user] assertz(metta_file_comment(97, 0, 4090, [=, [kb], [:, a, 'B']], '$stream_position'(4090, 97, 0, 4090)))
^  Exit: (177) [system] once(user:(read_position((0x55772f068e50), 97, 0, 4090, '$stream_position'(4090, 97, 0, 4090)), read_sexpr((0x55772f068e50), [=, [kb], [:, a, 'B']]), assertz(metta_file_comment(97, 0, 4090, [=, [kb], [:, a, 'B']], '$stream_position'(4090, 97, 0, 4090)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1229846, _1229848, _1229850, _1229852, _1229854))
^  Exit: (177) [user] retract(metta_file_comment(46, 0, 1539, '$COMMENT'(";;         programs.", 46, 0), '$stream_position'(1539, 46, 0, 1539)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;         programs.", 46, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;         programs.", 46, 0), _1232682))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;         programs.", 46, 0), _1232682)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;         programs.", 46, 0), _1232682)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;         programs.", 46, 0), _1235498))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;         programs.", 46, 0), _1235498))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;         programs.", 46, 0), _1235498)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;         programs.", 46, 0), _1238298))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;         programs.", 46, 0), _1238298)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;         programs.", 46, 0), _1238298)
   Call: (187) [system] var('$COMMENT'(";;         programs.", 46, 0))
   Call: (187) [system] atom('$COMMENT'(";;         programs.", 46, 0))
   Call: (187) [system] '$COMMENT'(";;         programs.", 46, 0)==true
   Call: (187) [system] '$COMMENT'(";;         programs.", 46, 0)==false
   Call: (187) [system] '$COMMENT'(";;         programs.", 46, 0)==[_1244818, _1244824]
   Call: (187) [system] is_list('$COMMENT'(";;         programs.", 46, 0))
   Call: (187) [system] string('$COMMENT'(";;         programs.", 46, 0))
   Call: (187) [system] compound('$COMMENT'(";;         programs.", 46, 0))
   Exit: (187) [system] compound('$COMMENT'(";;         programs.", 46, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;         programs.", 46, 0), _1249452, _1249454)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;         programs.", 46, 0), '$COMMENT', [";;         programs.", 46, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;         programs.", 46, 0], _1253194)
   Call: (188) [apply] apply:maplist_([";;         programs.", 46, 0], _1253194, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;         programs.", _1255074)
   Call: (190) [system] var(";;         programs.")
   Call: (190) [system] atom(";;         programs.")
   Call: (190) [system] ";;         programs."==true
   Call: (190) [system] ";;         programs."==false
   Call: (190) [system] ";;         programs."==[_1259716, _1259722]
   Call: (190) [system] is_list(";;         programs.")
   Call: (190) [system] string(";;         programs.")
   Exit: (190) [system] string(";;         programs.")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;         programs.")
^  Call: (190) [user] symbol(";;         programs.")
   Call: (191) [system] atom(";;         programs.")
   Fail: (191) [system] atom(";;         programs.")
^  Fail: (190) [user] symbol(";;         programs.")
   Call: (190) [system] ";;         programs."=_1255074
   Exit: (190) [system] ";;         programs."=";;         programs."
^  Exit: (189) [user] mfix_vars1(";;         programs.", ";;         programs.")
   Call: (189) [apply] apply:maplist_([46, 0], _1255076, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(46, _1273596)
   Call: (191) [system] var(46)
   Call: (191) [system] atom(46)
   Call: (191) [system] 46==true
   Call: (191) [system] 46==false
   Call: (191) [system] 46==[_1278238, _1278244]
   Call: (191) [system] is_list(46)
   Call: (191) [system] string(46)
   Call: (191) [system] compound(46)
^  Call: (191) [user] symbol(46)
   Call: (192) [system] atom(46)
   Fail: (192) [system] atom(46)
^  Fail: (191) [user] symbol(46)
   Call: (191) [system] 46=_1273596
   Exit: (191) [system] 46=46
^  Exit: (190) [user] mfix_vars1(46, 46)
   Call: (190) [apply] apply:maplist_([0], _1273598, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _1289362)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_1294004, _1294010]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_1289362
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _1289364, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([46, 0], [46, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;         programs.", 46, 0], [";;         programs.", 46, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;         programs.", 46, 0], [";;         programs.", 46, 0])
   Call: (187) [system] compound_name_arguments(_1238298, '$COMMENT', [";;         programs.", 46, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;         programs.", 46, 0), '$COMMENT', [";;         programs.", 46, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;         programs.", 46, 0), '$COMMENT'(";;         programs.", 46, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;         programs.", 46, 0), '$COMMENT'(";;         programs.", 46, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;         programs.", 46, 0), '$COMMENT'(";;         programs.", 46, 0)))
   Call: (184) [system] '$COMMENT'(";;         programs.", 46, 0)\=@='$COMMENT'(";;         programs.", 46, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;         programs.", 46, 0), '$COMMENT'(";;         programs.", 46, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;         programs.", 46, 0), '$COMMENT'(";;         programs.", 46, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;         programs.", 46, 0), '$COMMENT'(";;         programs.", 46, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;         programs.", 46, 0), _1318180))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;         programs.", 46, 0), _1318180))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;         programs.", 46, 0), _1318180)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;         programs.", 46, 0), _1320980))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;         programs.", 46, 0), _1320980)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;         programs.", 46, 0), _1320980)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;         programs.", 46, 0), '$COMMENT'(";;         programs.", 46, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;         programs.", 46, 0), '$COMMENT'(";;         programs.", 46, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;         programs.", 46, 0), '$COMMENT'(";;         programs.", 46, 0)))
   Call: (184) [system] '$COMMENT'(";;         programs.", 46, 0)\=@='$COMMENT'(";;         programs.", 46, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;         programs.", 46, 0), '$COMMENT'(";;         programs.", 46, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;         programs.", 46, 0), '$COMMENT'(";;         programs.", 46, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;         programs.", 46, 0), '$COMMENT'(";;         programs.", 46, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;         programs.", 46, 0), _1232682))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;         programs.", 46, 0), _1232682))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;         programs.", 46, 0), _1232682)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;         programs.", 46, 0), _1334938))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;         programs.", 46, 0), _1334938)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;         programs.", 46, 0), _1334938)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;         programs.", 46, 0), '$COMMENT'(";;         programs.", 46, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;         programs.", 46, 0), '$COMMENT'(";;         programs.", 46, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;         programs.", 46, 0), '$COMMENT'(";;         programs.", 46, 0)))
   Call: (184) [system] '$COMMENT'(";;         programs.", 46, 0)\=@='$COMMENT'(";;         programs.", 46, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;         programs.", 46, 0), '$COMMENT'(";;         programs.", 46, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;         programs.", 46, 0), '$COMMENT'(";;         programs.", 46, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;         programs.", 46, 0), '$COMMENT'(";;         programs.", 46, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;         programs.", 46, 0), '$COMMENT'(";;         programs.", 46, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;         programs.", 46, 0), '$COMMENT'(";;         programs.", 46, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;         programs.", 46, 0), '$COMMENT'(";;         programs.", 46, 0)))
   Call: (178) [system] '$COMMENT'(";;         programs.", 46, 0)\=@='$COMMENT'(";;         programs.", 46, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;         programs.", 46, 0), '$COMMENT'(";;         programs.", 46, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;         programs.", 46, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;         programs.", 46, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;         programs.", 46, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";;         programs.", 46, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";;         programs.", 46, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;         programs.", 46, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;         programs.", 46, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;         programs.", 46, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";;         programs.", 46, 0))
^  Exit: (171) [user] read_sform((0x55772f068e50), '$COMMENT'(";;         programs.", 46, 0))
^  Exit: (170) [system] once(user:read_sform((0x55772f068e50), '$COMMENT'(";;         programs.", 46, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x55772f068e50), '$COMMENT'(";;         programs.", 46, 0)))
   Call: (169) [system] '$COMMENT'(";;         programs.", 46, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;         programs.", 46, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727481854.2066653), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481854.2066653), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;         programs.", 46, 0)), 96]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;         programs.", 46, 0), me_synthesize_1727481849_9551582, 96)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727481854.2066653), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481854.2066653), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;         programs.", 46, 0)), 96]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727481858.222791)
   Call: (173) [system] arg(1, t(1727481854.2066653), _3148)
   Exit: (173) [system] arg(1, t(1727481854.2066653), 1727481854.2066653)
   Call: (173) [system] _3158 is 1727481858.222791-1727481854.2066653
   Exit: (173) [system] 4.016125679016113 is 1727481858.222791-1727481854.2066653
   Call: (173) [system] 4.016125679016113>4
   Exit: (173) [system] 4.016125679016113>4
   Call: (173) [system] nb_setarg(1, t(1727481854.2066653), 1727481858.222791)
   Exit: (173) [system] nb_setarg(1, t(1727481858.222791), 1727481858.222791)
^  Call: (173) [user] move_cursor_to_first_column
   Call: (174) [system] write(user_error, '')

   Exit: (174) [system] write(user_error, '')
^  Exit: (173) [user] move_cursor_to_first_column
^  Call: (173) [user] format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;         programs.", 46, 0)), 96])
; 
^  Call: (175) [user] write_src_woi('$COMMENT'(";;         programs.", 46, 0))
^  Call: (177) [system] setup_call_cleanup('$notrace'(_1380942, _1380944), once(user:with_indents(false, write_src('$COMMENT'(";;         programs.", 46, 0)))), '$restore_trace'(_1380942, _1380944))
^  Call: (178) [system] sig_atomic(system:'$notrace'(_1380942, _1380944))
(%COMMENT  ";;         programs." 46 0)
^  Exit: (177) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:with_indents(false, write_src('$COMMENT'(";;         programs.", 46, 0)))), system:'$restore_trace'(3, -1))
^  Exit: (175) [user] write_src_woi('$COMMENT'(";;         programs.", 46, 0))
 ; line: 96 
^  Exit: (173) [user] format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;         programs.", 46, 0)), 96])
   Call: (173) [system] write(user_error, '')

   Exit: (173) [system] write(user_error, '')
^  Call: (173) [user] move_cursor_to_first_column
   Call: (174) [system] write(user_error, '')

   Exit: (174) [system] write(user_error, '')
^  Exit: (173) [user] move_cursor_to_first_column
^  Exit: (171) [user] if_t((get_time(1727481858.222791), arg(1, t(1727481858.222791), 1727481854.2066653), 4.016125679016113 is 1727481858.222791-1727481854.2066653, 4.016125679016113>4), (nb_setarg(1, t(1727481858.222791), 1727481858.222791), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;         programs.", 46, 0)), 96]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 12)
   Call: (175) [system] atom(12+1)
   Call: (175) [system] set_flag(translated_forms, 13)
   Exit: (175) [system] set_flag(translated_forms, 13)
   Exit: (174) [$syspreds] update_flag(translated_forms, 12, 12+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 12, 12+1))
   Exit: (171) [$syspreds] flag(translated_forms, 12, 12+1)
^  Call: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;         programs.", 46, 0), me_synthesize_1727481849_9551582, 96)
^  Call: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";;         programs."])
^  Exit: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";;         programs."])
^  Exit: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;         programs.", 46, 0), me_synthesize_1727481849_9551582, 96)
^  Exit: (169) [system] once(user:(if_t((get_time(1727481858.222791), arg(1, t(1727481858.222791), 1727481854.2066653), 4.016125679016113 is 1727481858.222791-1727481854.2066653, 4.016125679016113>4), (nb_setarg(1, t(1727481858.222791), 1727481858.222791), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;         programs.", 46, 0)), 96]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 12, 12+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;         programs.", 46, 0), me_synthesize_1727481849_9551582, 96)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x55772f068e50))
   Fail: (169) [system] at_end_of_stream((0x55772f068e50))
^  Call: (169) [user] must_det_ll(line_count((0x55772f068e50), _3074))
^  Call: (170) [user] once(user:line_count((0x55772f068e50), _3074))
   Call: (171) [system] line_count((0x55772f068e50), _3074)
   Exit: (171) [system] line_count((0x55772f068e50), 97)
^  Exit: (170) [system] once(user:line_count((0x55772f068e50), 97))
^  Exit: (169) [user] must_det_ll(user:line_count((0x55772f068e50), 97))
^  Call: (169) [user] must_det_ll(read_sform((0x55772f068e50), _3084))
^  Call: (170) [user] once(user:read_sform((0x55772f068e50), _3084))
^  Call: (171) [user] read_sform((0x55772f068e50), _3084)
   Call: (172) [system] string((0x55772f068e50))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (173) [system] string((0x55772f068e50))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (174) [system] at_end_of_stream((0x55772f068e50))
   Call: (174) [system] peek_char((0x55772f068e50), _1428500)
   Exit: (174) [system] peek_char((0x55772f068e50), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x55772f068e50), '\n')
   Exit: (174) [system] get_char((0x55772f068e50), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), _3084)
   Call: (175) [system] at_end_of_stream((0x55772f068e50))
   Call: (175) [system] peek_char((0x55772f068e50), _1435922)
   Exit: (175) [system] peek_char((0x55772f068e50), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (176) [system] string((0x55772f068e50))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (177) [system] at_end_of_stream((0x55772f068e50))
   Call: (177) [system] peek_char((0x55772f068e50), _1444260)
   Exit: (177) [system] peek_char((0x55772f068e50), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _1447046=(0x55772f068e50)
   Exit: (177) [system] (0x55772f068e50)=(0x55772f068e50)
^  Call: (177) [user] once((read_position((0x55772f068e50), _1448914, _1448916, _1448918, _1448920), read_sexpr((0x55772f068e50), _1448932), assertz(metta_file_comment(_1448914, _1448916, _1448918, _1448932, _1448920))))
^  Call: (179) [user] read_position((0x55772f068e50), _1448914, _1448916, _1448918, _1448920)
   Call: (180) [system] stream_property((0x55772f068e50), position(_1448920))
   Call: (181) [system] nonvar((0x55772f068e50))
   Exit: (181) [system] nonvar((0x55772f068e50))
   Call: (181) [system] nonvar(position(_1448920))
   Exit: (181) [system] nonvar(position(_1448920))
   Exit: (180) [system] stream_property((0x55772f068e50), position('$stream_position'(4107, 98, 0, 4107)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4107, 98, 0, 4107), _1448914)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1459172)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4107, 98, 0, 4107), _1448914)
   Exit: (181) [system] arg(2, '$stream_position'(4107, 98, 0, 4107), 98)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4107, 98, 0, 4107), 98)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4107, 98, 0, 4107), _1448916)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1466606)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4107, 98, 0, 4107), _1448916)
   Exit: (181) [system] arg(3, '$stream_position'(4107, 98, 0, 4107), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4107, 98, 0, 4107), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4107, 98, 0, 4107), _1448918)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1474040)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4107, 98, 0, 4107), _1448918)
   Exit: (181) [system] arg(1, '$stream_position'(4107, 98, 0, 4107), 4107)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4107, 98, 0, 4107), 4107)
^  Exit: (179) [user] read_position((0x55772f068e50), 98, 0, 4107, '$stream_position'(4107, 98, 0, 4107))
^  Call: (179) [user] read_sexpr((0x55772f068e50), _1448932)
   Call: (180) [system] string((0x55772f068e50))
   Fail: (180) [system] string((0x55772f068e50))
^  Call: (180) [user] cont_sexpr(')', (0x55772f068e50), _1448932)
^  Call: (181) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _1484266)
   Exit: (182) [system] peek_char((0x55772f068e50), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x55772f068e50))
   Call: (181) [system] get_char((0x55772f068e50), _1500276)
   Exit: (181) [system] get_char((0x55772f068e50), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x55772f068e50), _1448932)
^  Call: (182) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _1505846)
   Exit: (183) [system] peek_char((0x55772f068e50), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _1521856)
   Exit: (182) [system] peek_char((0x55772f068e50), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x55772f068e50), _1527426)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _1529284)
   Exit: (184) [system] peek_char((0x55772f068e50), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] get_char((0x55772f068e50), _1545294)
   Exit: (183) [system] get_char((0x55772f068e50), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x55772f068e50), =, _1527426)
^  Call: (184) [user] read_symbolic_cont(')', (0x55772f068e50), _1562936)
   Call: (185) [system] peek_char((0x55772f068e50), _1563870)
   Exit: (185) [system] peek_char((0x55772f068e50), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1562936=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _1527426)
^  Call: (185) [user] classify_and_convert_charseq_([=], _1573154)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_1574106, _1574108), once(user:catch(read_from_chars([=], _1573154), _1574088, fail)), '$restore_trace'(_1574106, _1574108))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_1574106, _1574108))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1574088, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _1527426=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x55772f068e50), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x55772f068e50), =)
^  Call: (182) [user] read_list(')', (0x55772f068e50), _1586234)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _1588092)
   Exit: (184) [system] peek_char((0x55772f068e50), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x55772f068e50), _1597686)
   Exit: (184) [system] get_char((0x55772f068e50), ' ')
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1600390)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _1617324)
   Exit: (183) [system] peek_char((0x55772f068e50), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x55772f068e50), _1622894)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1624752)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] get_char((0x55772f068e50), _1640762)
   Exit: (184) [system] get_char((0x55772f068e50), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x55772f068e50), _1622894)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1646332)
   Exit: (186) [system] peek_char((0x55772f068e50), k)
   Call: (186) [system] k=(;)
   Fail: (186) [system] k=(;)
   Call: (186) [system] k=(/)
   Fail: (186) [system] k=(/)
^  Call: (186) [user] is_like_space(k)
   Call: (187) [system] char_type(k, 'white')
   Fail: (187) [system] char_type(k, 'white')
   Call: (187) [system] char_type(k, end_of_line)
   Fail: (187) [system] char_type(k, end_of_line)
   Call: (187) [system] char_type(k, space)
   Fail: (187) [system] char_type(k, space)
   Call: (187) [system] char_type(k, cntrl)
   Fail: (187) [system] char_type(k, cntrl)
^  Fail: (186) [user] is_like_space(k)
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1662342)
   Exit: (185) [system] peek_char((0x55772f068e50), k)
   Call: (185) [system] k=')'
   Fail: (185) [system] k=')'
   Call: (185) [system] k=end_of_file
   Fail: (185) [system] k=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x55772f068e50), _1667912)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1669770)
   Exit: (187) [system] peek_char((0x55772f068e50), k)
   Call: (187) [system] k=(;)
   Fail: (187) [system] k=(;)
   Call: (187) [system] k=(/)
   Fail: (187) [system] k=(/)
^  Call: (187) [user] is_like_space(k)
   Call: (188) [system] char_type(k, 'white')
   Fail: (188) [system] char_type(k, 'white')
   Call: (188) [system] char_type(k, end_of_line)
   Fail: (188) [system] char_type(k, end_of_line)
   Call: (188) [system] char_type(k, space)
   Fail: (188) [system] char_type(k, space)
   Call: (188) [system] char_type(k, cntrl)
   Fail: (188) [system] char_type(k, cntrl)
^  Fail: (187) [user] is_like_space(k)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] get_char((0x55772f068e50), _1685780)
   Exit: (186) [system] get_char((0x55772f068e50), k)
   Call: (186) [system] k='('
   Fail: (186) [system] k='('
   Call: (186) [system] k='['
   Fail: (186) [system] k='['
   Call: (186) [system] k='{'
   Fail: (186) [system] k='{'
   Call: (186) [system] k='"'
   Fail: (186) [system] k='"'
   Call: (186) [system] k=!
   Fail: (186) [system] k=!
   Call: (186) [system] k='\''
   Fail: (186) [system] k='\''
   Call: (186) [system] k='`'
   Fail: (186) [system] k='`'
   Call: (186) [system] k=end_of_file
   Fail: (186) [system] k=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x55772f068e50), k, _1667912)
^  Call: (187) [user] read_symbolic_cont(')', (0x55772f068e50), _1703422)
   Call: (188) [system] peek_char((0x55772f068e50), _1704356)
   Exit: (188) [system] peek_char((0x55772f068e50), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_1709076, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_1710008, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x55772f068e50), b)
   Exit: (188) [system] get_char((0x55772f068e50), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _1717358)
   Call: (189) [system] peek_char((0x55772f068e50), _1718292)
   Exit: (189) [system] peek_char((0x55772f068e50), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_1723012, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _1717358=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (188) [system] _1703422=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
^  Call: (187) [user] classify_and_convert_charseq([k, b], _1667912)
^  Call: (188) [user] classify_and_convert_charseq_([k, b], _1732242)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1733194, _1733196), once(user:catch(read_from_chars([k, b], _1732242), _1733176, fail)), '$restore_trace'(_1733194, _1733196))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1733194, _1733196))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _1733176, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(kb)
   Exit: (189) [system] atomic(kb)
^  Exit: (188) [user] classify_and_convert_charseq_([k, b], kb)
   Call: (188) [system] integer(kb)
   Fail: (188) [system] integer(kb)
   Call: (188) [system] _1667912=kb
   Exit: (188) [system] kb=kb
^  Exit: (187) [user] classify_and_convert_charseq([k, b], kb)
^  Exit: (186) [user] read_symbolic(')', (0x55772f068e50), k, kb)
^  Exit: (185) [user] cont_sexpr(')', (0x55772f068e50), kb)
^  Call: (185) [user] read_list(')', (0x55772f068e50), _1745322)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1747180)
   Exit: (187) [system] peek_char((0x55772f068e50), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1763190)
   Exit: (186) [system] peek_char((0x55772f068e50), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x55772f068e50), _1766980)
   Exit: (186) [system] get_char((0x55772f068e50), ')')
   Call: (186) [system] _1745322=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [])
   Call: (185) [system] _1622894=[kb]
   Exit: (185) [system] [kb]=[kb]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [kb])
^  Exit: (183) [user] cont_sexpr(')', (0x55772f068e50), [kb])
^  Call: (183) [user] read_list(')', (0x55772f068e50), _1775274)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1777132)
   Exit: (185) [system] peek_char((0x55772f068e50), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x55772f068e50), _1786726)
   Exit: (185) [system] get_char((0x55772f068e50), ' ')
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1789430)
   Exit: (186) [system] peek_char((0x55772f068e50), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _1806364)
   Exit: (184) [system] peek_char((0x55772f068e50), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x55772f068e50), _1811934)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1813792)
   Exit: (186) [system] peek_char((0x55772f068e50), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] get_char((0x55772f068e50), _1829802)
   Exit: (185) [system] get_char((0x55772f068e50), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x55772f068e50), _1811934)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1835372)
   Exit: (187) [system] peek_char((0x55772f068e50), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
   Call: (187) [system] (:)=(/)
   Fail: (187) [system] (:)=(/)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1851382)
   Exit: (186) [system] peek_char((0x55772f068e50), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x55772f068e50), _1856952)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1858810)
   Exit: (188) [system] peek_char((0x55772f068e50), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
   Call: (188) [system] (:)=(/)
   Fail: (188) [system] (:)=(/)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] get_char((0x55772f068e50), _1874820)
   Exit: (187) [system] get_char((0x55772f068e50), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x55772f068e50), :, _1856952)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _1892462)
   Call: (189) [system] peek_char((0x55772f068e50), _1893396)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _1892462=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (188) [user] classify_and_convert_charseq([:], _1856952)
^  Call: (189) [user] classify_and_convert_charseq_([:], _1902680)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1903632, _1903634), once(user:catch(read_from_chars([:], _1902680), _1903614, fail)), '$restore_trace'(_1903632, _1903634))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1903632, _1903634))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1903614, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(:)
   Exit: (190) [system] atomic(:)
^  Exit: (189) [user] classify_and_convert_charseq_([:], :)
   Call: (189) [system] integer(:)
   Fail: (189) [system] integer(:)
   Call: (189) [system] _1856952=(:)
   Exit: (189) [system] (:)=(:)
^  Exit: (188) [user] classify_and_convert_charseq([:], :)
^  Exit: (187) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (186) [user] read_list(')', (0x55772f068e50), _1915760)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1917618)
   Exit: (188) [system] peek_char((0x55772f068e50), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x55772f068e50), _1927212)
   Exit: (188) [system] get_char((0x55772f068e50), ' ')
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1929916)
   Exit: (189) [system] peek_char((0x55772f068e50), a)
   Call: (189) [system] a=(;)
   Fail: (189) [system] a=(;)
   Call: (189) [system] a=(/)
   Fail: (189) [system] a=(/)
^  Call: (189) [user] is_like_space(a)
   Call: (190) [system] char_type(a, 'white')
   Fail: (190) [system] char_type(a, 'white')
   Call: (190) [system] char_type(a, end_of_line)
   Fail: (190) [system] char_type(a, end_of_line)
   Call: (190) [system] char_type(a, space)
   Fail: (190) [system] char_type(a, space)
   Call: (190) [system] char_type(a, cntrl)
   Fail: (190) [system] char_type(a, cntrl)
^  Fail: (189) [user] is_like_space(a)
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1946850)
   Exit: (187) [system] peek_char((0x55772f068e50), a)
   Call: (187) [system] a=')'
   Fail: (187) [system] a=')'
   Call: (187) [system] a=end_of_file
   Fail: (187) [system] a=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x55772f068e50), _1952420)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1954278)
   Exit: (189) [system] peek_char((0x55772f068e50), a)
   Call: (189) [system] a=(;)
   Fail: (189) [system] a=(;)
   Call: (189) [system] a=(/)
   Fail: (189) [system] a=(/)
^  Call: (189) [user] is_like_space(a)
   Call: (190) [system] char_type(a, 'white')
   Fail: (190) [system] char_type(a, 'white')
   Call: (190) [system] char_type(a, end_of_line)
   Fail: (190) [system] char_type(a, end_of_line)
   Call: (190) [system] char_type(a, space)
   Fail: (190) [system] char_type(a, space)
   Call: (190) [system] char_type(a, cntrl)
   Fail: (190) [system] char_type(a, cntrl)
^  Fail: (189) [user] is_like_space(a)
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] get_char((0x55772f068e50), _1970288)
   Exit: (188) [system] get_char((0x55772f068e50), a)
   Call: (188) [system] a='('
   Fail: (188) [system] a='('
   Call: (188) [system] a='['
   Fail: (188) [system] a='['
   Call: (188) [system] a='{'
   Fail: (188) [system] a='{'
   Call: (188) [system] a='"'
   Fail: (188) [system] a='"'
   Call: (188) [system] a=!
   Fail: (188) [system] a=!
   Call: (188) [system] a='\''
   Fail: (188) [system] a='\''
   Call: (188) [system] a='`'
   Fail: (188) [system] a='`'
   Call: (188) [system] a=end_of_file
   Fail: (188) [system] a=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x55772f068e50), a, _1952420)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _1987930)
   Call: (190) [system] peek_char((0x55772f068e50), _1988864)
   Exit: (190) [system] peek_char((0x55772f068e50), b)
^  Call: (190) [user] is_delimiter(b)
   Call: (191) [system] char_type(b, space)
   Fail: (191) [system] char_type(b, space)
   Call: (191) [system] arg(_1993584, v('(', ')', end_of_file), b)
   Fail: (191) [system] arg(_1994516, v('(', ')', end_of_file), b)
^  Fail: (190) [user] is_delimiter(b)
   Call: (190) [system] ')'==b
   Fail: (190) [system] ')'==b
   Call: (190) [system] get_char((0x55772f068e50), b)
   Exit: (190) [system] get_char((0x55772f068e50), b)
   Call: (190) [system] b=(\)
   Fail: (190) [system] b=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _2001866)
   Call: (191) [system] peek_char((0x55772f068e50), _2002800)
   Exit: (191) [system] peek_char((0x55772f068e50), c)
^  Call: (191) [user] is_delimiter(c)
   Call: (192) [system] char_type(c, space)
   Fail: (192) [system] char_type(c, space)
   Call: (192) [system] arg(_2007520, v('(', ')', end_of_file), c)
   Fail: (192) [system] arg(_2008452, v('(', ')', end_of_file), c)
^  Fail: (191) [user] is_delimiter(c)
   Call: (191) [system] ')'==c
   Fail: (191) [system] ')'==c
   Call: (191) [system] get_char((0x55772f068e50), c)
   Exit: (191) [system] get_char((0x55772f068e50), c)
   Call: (191) [system] c=(\)
   Fail: (191) [system] c=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _2015802)
   Call: (192) [system] peek_char((0x55772f068e50), _2016736)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _2015802=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (191) [system] _2001866=[c]
   Exit: (191) [system] [c]=[c]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (190) [system] _1987930=[b, c]
   Exit: (190) [system] [b, c]=[b, c]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (189) [user] classify_and_convert_charseq([a, b, c], _1952420)
^  Call: (190) [user] classify_and_convert_charseq_([a, b, c], _2031608)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_2032560, _2032562), once(user:catch(read_from_chars([a, b, c], _2031608), _2032542, fail)), '$restore_trace'(_2032560, _2032562))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_2032560, _2032562))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _2032542, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(abc)
   Exit: (191) [system] atomic(abc)
^  Exit: (190) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (190) [system] integer(abc)
   Fail: (190) [system] integer(abc)
   Call: (190) [system] _1952420=abc
   Exit: (190) [system] abc=abc
^  Exit: (189) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (188) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (187) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (187) [user] read_list(')', (0x55772f068e50), _2044688)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _2046546)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x55772f068e50), _2056140)
   Exit: (189) [system] get_char((0x55772f068e50), ' ')
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _2058844)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _2075778)
   Exit: (188) [system] peek_char((0x55772f068e50), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x55772f068e50), _2081348)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _2083206)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] get_char((0x55772f068e50), _5846)
   Exit: (189) [system] get_char((0x55772f068e50), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x55772f068e50), _3396)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _11416)
   Exit: (191) [system] peek_char((0x55772f068e50), 'I')
   Call: (191) [system] 'I'=(;)
   Fail: (191) [system] 'I'=(;)
   Call: (191) [system] 'I'=(/)
   Fail: (191) [system] 'I'=(/)
^  Call: (191) [user] is_like_space('I')
   Call: (192) [system] char_type('I', 'white')
   Fail: (192) [system] char_type('I', 'white')
   Call: (192) [system] char_type('I', end_of_line)
   Fail: (192) [system] char_type('I', end_of_line)
   Call: (192) [system] char_type('I', space)
   Fail: (192) [system] char_type('I', space)
   Call: (192) [system] char_type('I', cntrl)
   Fail: (192) [system] char_type('I', cntrl)
^  Fail: (191) [user] is_like_space('I')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _27426)
   Exit: (190) [system] peek_char((0x55772f068e50), 'I')
   Call: (190) [system] 'I'=')'
   Fail: (190) [system] 'I'=')'
   Call: (190) [system] 'I'=end_of_file
   Fail: (190) [system] 'I'=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x55772f068e50), _32996)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _34854)
   Exit: (192) [system] peek_char((0x55772f068e50), 'I')
   Call: (192) [system] 'I'=(;)
   Fail: (192) [system] 'I'=(;)
   Call: (192) [system] 'I'=(/)
   Fail: (192) [system] 'I'=(/)
^  Call: (192) [user] is_like_space('I')
   Call: (193) [system] char_type('I', 'white')
   Fail: (193) [system] char_type('I', 'white')
   Call: (193) [system] char_type('I', end_of_line)
   Fail: (193) [system] char_type('I', end_of_line)
   Call: (193) [system] char_type('I', space)
   Fail: (193) [system] char_type('I', space)
   Call: (193) [system] char_type('I', cntrl)
   Fail: (193) [system] char_type('I', cntrl)
^  Fail: (192) [user] is_like_space('I')
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] get_char((0x55772f068e50), _50864)
   Exit: (191) [system] get_char((0x55772f068e50), 'I')
   Call: (191) [system] 'I'='('
   Fail: (191) [system] 'I'='('
   Call: (191) [system] 'I'='['
   Fail: (191) [system] 'I'='['
   Call: (191) [system] 'I'='{'
   Fail: (191) [system] 'I'='{'
   Call: (191) [system] 'I'='"'
   Fail: (191) [system] 'I'='"'
   Call: (191) [system] 'I'=!
   Fail: (191) [system] 'I'=!
   Call: (191) [system] 'I'='\''
   Fail: (191) [system] 'I'='\''
   Call: (191) [system] 'I'='`'
   Fail: (191) [system] 'I'='`'
   Call: (191) [system] 'I'=end_of_file
   Fail: (191) [system] 'I'=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x55772f068e50), 'I', _32996)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _68506)
   Call: (193) [system] peek_char((0x55772f068e50), _69440)
   Exit: (193) [system] peek_char((0x55772f068e50), m)
^  Call: (193) [user] is_delimiter(m)
   Call: (194) [system] char_type(m, space)
   Fail: (194) [system] char_type(m, space)
   Call: (194) [system] arg(_74160, v('(', ')', end_of_file), m)
   Fail: (194) [system] arg(_75092, v('(', ')', end_of_file), m)
^  Fail: (193) [user] is_delimiter(m)
   Call: (193) [system] ')'==m
   Fail: (193) [system] ')'==m
   Call: (193) [system] get_char((0x55772f068e50), m)
   Exit: (193) [system] get_char((0x55772f068e50), m)
   Call: (193) [system] m=(\)
   Fail: (193) [system] m=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _82442)
   Call: (194) [system] peek_char((0x55772f068e50), _83376)
   Exit: (194) [system] peek_char((0x55772f068e50), p)
^  Call: (194) [user] is_delimiter(p)
   Call: (195) [system] char_type(p, space)
   Fail: (195) [system] char_type(p, space)
   Call: (195) [system] arg(_88096, v('(', ')', end_of_file), p)
   Fail: (195) [system] arg(_89028, v('(', ')', end_of_file), p)
^  Fail: (194) [user] is_delimiter(p)
   Call: (194) [system] ')'==p
   Fail: (194) [system] ')'==p
   Call: (194) [system] get_char((0x55772f068e50), p)
   Exit: (194) [system] get_char((0x55772f068e50), p)
   Call: (194) [system] p=(\)
   Fail: (194) [system] p=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _96378)
   Call: (195) [system] peek_char((0x55772f068e50), _97312)
   Exit: (195) [system] peek_char((0x55772f068e50), l)
^  Call: (195) [user] is_delimiter(l)
   Call: (196) [system] char_type(l, space)
   Fail: (196) [system] char_type(l, space)
   Call: (196) [system] arg(_102032, v('(', ')', end_of_file), l)
   Fail: (196) [system] arg(_102964, v('(', ')', end_of_file), l)
^  Fail: (195) [user] is_delimiter(l)
   Call: (195) [system] ')'==l
   Fail: (195) [system] ')'==l
   Call: (195) [system] get_char((0x55772f068e50), l)
   Exit: (195) [system] get_char((0x55772f068e50), l)
   Call: (195) [system] l=(\)
   Fail: (195) [system] l=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _110314)
   Call: (196) [system] peek_char((0x55772f068e50), _111248)
   Exit: (196) [system] peek_char((0x55772f068e50), i)
^  Call: (196) [user] is_delimiter(i)
   Call: (197) [system] char_type(i, space)
   Fail: (197) [system] char_type(i, space)
   Call: (197) [system] arg(_115968, v('(', ')', end_of_file), i)
   Fail: (197) [system] arg(_116900, v('(', ')', end_of_file), i)
^  Fail: (196) [user] is_delimiter(i)
   Call: (196) [system] ')'==i
   Fail: (196) [system] ')'==i
   Call: (196) [system] get_char((0x55772f068e50), i)
   Exit: (196) [system] get_char((0x55772f068e50), i)
   Call: (196) [system] i=(\)
   Fail: (196) [system] i=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _124250)
   Call: (197) [system] peek_char((0x55772f068e50), _125184)
   Exit: (197) [system] peek_char((0x55772f068e50), c)
^  Call: (197) [user] is_delimiter(c)
   Call: (198) [system] char_type(c, space)
   Fail: (198) [system] char_type(c, space)
   Call: (198) [system] arg(_129904, v('(', ')', end_of_file), c)
   Fail: (198) [system] arg(_130836, v('(', ')', end_of_file), c)
^  Fail: (197) [user] is_delimiter(c)
   Call: (197) [system] ')'==c
   Fail: (197) [system] ')'==c
   Call: (197) [system] get_char((0x55772f068e50), c)
   Exit: (197) [system] get_char((0x55772f068e50), c)
   Call: (197) [system] c=(\)
   Fail: (197) [system] c=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _138186)
   Call: (198) [system] peek_char((0x55772f068e50), _139120)
   Exit: (198) [system] peek_char((0x55772f068e50), a)
^  Call: (198) [user] is_delimiter(a)
   Call: (199) [system] char_type(a, space)
   Fail: (199) [system] char_type(a, space)
   Call: (199) [system] arg(_143840, v('(', ')', end_of_file), a)
   Fail: (199) [system] arg(_144772, v('(', ')', end_of_file), a)
^  Fail: (198) [user] is_delimiter(a)
   Call: (198) [system] ')'==a
   Fail: (198) [system] ')'==a
   Call: (198) [system] get_char((0x55772f068e50), a)
   Exit: (198) [system] get_char((0x55772f068e50), a)
   Call: (198) [system] a=(\)
   Fail: (198) [system] a=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _152122)
   Call: (199) [system] peek_char((0x55772f068e50), _153056)
   Exit: (199) [system] peek_char((0x55772f068e50), t)
^  Call: (199) [user] is_delimiter(t)
   Call: (200) [system] char_type(t, space)
   Fail: (200) [system] char_type(t, space)
   Call: (200) [system] arg(_157776, v('(', ')', end_of_file), t)
   Fail: (200) [system] arg(_158708, v('(', ')', end_of_file), t)
^  Fail: (199) [user] is_delimiter(t)
   Call: (199) [system] ')'==t
   Fail: (199) [system] ')'==t
   Call: (199) [system] get_char((0x55772f068e50), t)
   Exit: (199) [system] get_char((0x55772f068e50), t)
   Call: (199) [system] t=(\)
   Fail: (199) [system] t=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _166058)
   Call: (200) [system] peek_char((0x55772f068e50), _166992)
   Exit: (200) [system] peek_char((0x55772f068e50), i)
^  Call: (200) [user] is_delimiter(i)
   Call: (201) [system] char_type(i, space)
   Fail: (201) [system] char_type(i, space)
   Call: (201) [system] arg(_171712, v('(', ')', end_of_file), i)
   Fail: (201) [system] arg(_172644, v('(', ')', end_of_file), i)
^  Fail: (200) [user] is_delimiter(i)
   Call: (200) [system] ')'==i
   Fail: (200) [system] ')'==i
   Call: (200) [system] get_char((0x55772f068e50), i)
   Exit: (200) [system] get_char((0x55772f068e50), i)
   Call: (200) [system] i=(\)
   Fail: (200) [system] i=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _179994)
   Call: (201) [system] peek_char((0x55772f068e50), _180928)
   Exit: (201) [system] peek_char((0x55772f068e50), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_185648, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_186580, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x55772f068e50), o)
   Exit: (201) [system] get_char((0x55772f068e50), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _193930)
   Call: (202) [system] peek_char((0x55772f068e50), _194864)
   Exit: (202) [system] peek_char((0x55772f068e50), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Fail: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_199584, v('(', ')', end_of_file), n)
   Fail: (203) [system] arg(_200516, v('(', ')', end_of_file), n)
^  Fail: (202) [user] is_delimiter(n)
   Call: (202) [system] ')'==n
   Fail: (202) [system] ')'==n
   Call: (202) [system] get_char((0x55772f068e50), n)
   Exit: (202) [system] get_char((0x55772f068e50), n)
   Call: (202) [system] n=(\)
   Fail: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _207866)
   Call: (203) [system] peek_char((0x55772f068e50), _208800)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _207866=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (202) [system] _193930=[n]
   Exit: (202) [system] [n]=[n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (201) [system] _179994=[o, n]
   Exit: (201) [system] [o, n]=[o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (200) [system] _166058=[i, o, n]
   Exit: (200) [system] [i, o, n]=[i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (199) [system] _152122=[t, i, o, n]
   Exit: (199) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (198) [system] _138186=[a, t, i, o, n]
   Exit: (198) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (197) [system] _124250=[c, a, t, i, o, n]
   Exit: (197) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (196) [system] _110314=[i, c, a, t, i, o, n]
   Exit: (196) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (195) [system] _96378=[l, i, c, a, t, i, o, n]
   Exit: (195) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (194) [system] _82442=[p, l, i, c, a, t, i, o, n]
   Exit: (194) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (193) [system] _68506=[m, p, l, i, c, a, t, i, o, n]
   Exit: (193) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (192) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _32996)
^  Call: (193) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _246024)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_246976, _246978), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _246024), _246958, fail)), '$restore_trace'(_246976, _246978))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_246976, _246978))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _246024), _246958, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(_246024)
   Fail: (194) [system] atomic(_246024)
   Call: (194) [system] atom_chars(_246024, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (194) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (193) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (193) [system] integer('Implication')
   Fail: (193) [system] integer('Implication')
   Call: (193) [system] _32996='Implication'
   Exit: (193) [system] 'Implication'='Implication'
^  Exit: (192) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (191) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (190) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (190) [user] read_list(')', (0x55772f068e50), _260974)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _262832)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x55772f068e50), _272426)
   Exit: (192) [system] get_char((0x55772f068e50), ' ')
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _275130)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _292064)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x55772f068e50), _297634)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _299492)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] get_char((0x55772f068e50), _315502)
   Exit: (192) [system] get_char((0x55772f068e50), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x55772f068e50), _297634)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _321072)
   Exit: (194) [system] peek_char((0x55772f068e50), 'A')
   Call: (194) [system] 'A'=(;)
   Fail: (194) [system] 'A'=(;)
   Call: (194) [system] 'A'=(/)
   Fail: (194) [system] 'A'=(/)
^  Call: (194) [user] is_like_space('A')
   Call: (195) [system] char_type('A', 'white')
   Fail: (195) [system] char_type('A', 'white')
   Call: (195) [system] char_type('A', end_of_line)
   Fail: (195) [system] char_type('A', end_of_line)
   Call: (195) [system] char_type('A', space)
   Fail: (195) [system] char_type('A', space)
   Call: (195) [system] char_type('A', cntrl)
   Fail: (195) [system] char_type('A', cntrl)
^  Fail: (194) [user] is_like_space('A')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _337082)
   Exit: (193) [system] peek_char((0x55772f068e50), 'A')
   Call: (193) [system] 'A'=')'
   Fail: (193) [system] 'A'=')'
   Call: (193) [system] 'A'=end_of_file
   Fail: (193) [system] 'A'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _342652)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _344510)
   Exit: (195) [system] peek_char((0x55772f068e50), 'A')
   Call: (195) [system] 'A'=(;)
   Fail: (195) [system] 'A'=(;)
   Call: (195) [system] 'A'=(/)
   Fail: (195) [system] 'A'=(/)
^  Call: (195) [user] is_like_space('A')
   Call: (196) [system] char_type('A', 'white')
   Fail: (196) [system] char_type('A', 'white')
   Call: (196) [system] char_type('A', end_of_line)
   Fail: (196) [system] char_type('A', end_of_line)
   Call: (196) [system] char_type('A', space)
   Fail: (196) [system] char_type('A', space)
   Call: (196) [system] char_type('A', cntrl)
   Fail: (196) [system] char_type('A', cntrl)
^  Fail: (195) [user] is_like_space('A')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _360520)
   Exit: (194) [system] get_char((0x55772f068e50), 'A')
   Call: (194) [system] 'A'='('
   Fail: (194) [system] 'A'='('
   Call: (194) [system] 'A'='['
   Fail: (194) [system] 'A'='['
   Call: (194) [system] 'A'='{'
   Fail: (194) [system] 'A'='{'
   Call: (194) [system] 'A'='"'
   Fail: (194) [system] 'A'='"'
   Call: (194) [system] 'A'=!
   Fail: (194) [system] 'A'=!
   Call: (194) [system] 'A'='\''
   Fail: (194) [system] 'A'='\''
   Call: (194) [system] 'A'='`'
   Fail: (194) [system] 'A'='`'
   Call: (194) [system] 'A'=end_of_file
   Fail: (194) [system] 'A'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x55772f068e50), 'A', _342652)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _378162)
   Call: (196) [system] peek_char((0x55772f068e50), _379096)
   Exit: (196) [system] peek_char((0x55772f068e50), n)
^  Call: (196) [user] is_delimiter(n)
   Call: (197) [system] char_type(n, space)
   Fail: (197) [system] char_type(n, space)
   Call: (197) [system] arg(_383816, v('(', ')', end_of_file), n)
   Fail: (197) [system] arg(_384748, v('(', ')', end_of_file), n)
^  Fail: (196) [user] is_delimiter(n)
   Call: (196) [system] ')'==n
   Fail: (196) [system] ')'==n
   Call: (196) [system] get_char((0x55772f068e50), n)
   Exit: (196) [system] get_char((0x55772f068e50), n)
   Call: (196) [system] n=(\)
   Fail: (196) [system] n=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _392098)
   Call: (197) [system] peek_char((0x55772f068e50), _393032)
   Exit: (197) [system] peek_char((0x55772f068e50), d)
^  Call: (197) [user] is_delimiter(d)
   Call: (198) [system] char_type(d, space)
   Fail: (198) [system] char_type(d, space)
   Call: (198) [system] arg(_397752, v('(', ')', end_of_file), d)
   Fail: (198) [system] arg(_398684, v('(', ')', end_of_file), d)
^  Fail: (197) [user] is_delimiter(d)
   Call: (197) [system] ')'==d
   Fail: (197) [system] ')'==d
   Call: (197) [system] get_char((0x55772f068e50), d)
   Exit: (197) [system] get_char((0x55772f068e50), d)
   Call: (197) [system] d=(\)
   Fail: (197) [system] d=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _406034)
   Call: (198) [system] peek_char((0x55772f068e50), _406968)
   Exit: (198) [system] peek_char((0x55772f068e50), 'L')
^  Call: (198) [user] is_delimiter('L')
   Call: (199) [system] char_type('L', space)
   Fail: (199) [system] char_type('L', space)
   Call: (199) [system] arg(_411688, v('(', ')', end_of_file), 'L')
   Fail: (199) [system] arg(_412620, v('(', ')', end_of_file), 'L')
^  Fail: (198) [user] is_delimiter('L')
   Call: (198) [system] ')'=='L'
   Fail: (198) [system] ')'=='L'
   Call: (198) [system] get_char((0x55772f068e50), 'L')
   Exit: (198) [system] get_char((0x55772f068e50), 'L')
   Call: (198) [system] 'L'=(\)
   Fail: (198) [system] 'L'=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _419970)
   Call: (199) [system] peek_char((0x55772f068e50), _420904)
   Exit: (199) [system] peek_char((0x55772f068e50), i)
^  Call: (199) [user] is_delimiter(i)
   Call: (200) [system] char_type(i, space)
   Fail: (200) [system] char_type(i, space)
   Call: (200) [system] arg(_425624, v('(', ')', end_of_file), i)
   Fail: (200) [system] arg(_426556, v('(', ')', end_of_file), i)
^  Fail: (199) [user] is_delimiter(i)
   Call: (199) [system] ')'==i
   Fail: (199) [system] ')'==i
   Call: (199) [system] get_char((0x55772f068e50), i)
   Exit: (199) [system] get_char((0x55772f068e50), i)
   Call: (199) [system] i=(\)
   Fail: (199) [system] i=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _433906)
   Call: (200) [system] peek_char((0x55772f068e50), _434840)
   Exit: (200) [system] peek_char((0x55772f068e50), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Fail: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_439560, v('(', ')', end_of_file), n)
   Fail: (201) [system] arg(_440492, v('(', ')', end_of_file), n)
^  Fail: (200) [user] is_delimiter(n)
   Call: (200) [system] ')'==n
   Fail: (200) [system] ')'==n
   Call: (200) [system] get_char((0x55772f068e50), n)
   Exit: (200) [system] get_char((0x55772f068e50), n)
   Call: (200) [system] n=(\)
   Fail: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _447842)
   Call: (201) [system] peek_char((0x55772f068e50), _448776)
   Exit: (201) [system] peek_char((0x55772f068e50), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Fail: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_453496, v('(', ')', end_of_file), k)
   Fail: (202) [system] arg(_454428, v('(', ')', end_of_file), k)
^  Fail: (201) [user] is_delimiter(k)
   Call: (201) [system] ')'==k
   Fail: (201) [system] ')'==k
   Call: (201) [system] get_char((0x55772f068e50), k)
   Exit: (201) [system] get_char((0x55772f068e50), k)
   Call: (201) [system] k=(\)
   Fail: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _461778)
   Call: (202) [system] peek_char((0x55772f068e50), _462712)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _461778=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (201) [system] _447842=[k]
   Exit: (201) [system] [k]=[k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (200) [system] _433906=[n, k]
   Exit: (200) [system] [n, k]=[n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (199) [system] _419970=[i, n, k]
   Exit: (199) [system] [i, n, k]=[i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (198) [system] _406034=['L', i, n, k]
   Exit: (198) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (197) [system] _392098=[d, 'L', i, n, k]
   Exit: (197) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (196) [system] _378162=[n, d, 'L', i, n, k]
   Exit: (196) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _342652)
^  Call: (196) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _488760)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_489712, _489714), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _488760), _489694, fail)), '$restore_trace'(_489712, _489714))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_489712, _489714))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _488760), _489694, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_488760)
   Fail: (197) [system] atomic(_488760)
   Call: (197) [system] atom_chars(_488760, ['A', n, d, 'L', i, n, k])
   Exit: (197) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (196) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (196) [system] integer('AndLink')
   Fail: (196) [system] integer('AndLink')
   Call: (196) [system] _342652='AndLink'
   Exit: (196) [system] 'AndLink'='AndLink'
^  Exit: (195) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (194) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (193) [user] read_list(')', (0x55772f068e50), _503710)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _505568)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _515162)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _517866)
   Exit: (196) [system] peek_char((0x55772f068e50), 'A')
   Call: (196) [system] 'A'=(;)
   Fail: (196) [system] 'A'=(;)
   Call: (196) [system] 'A'=(/)
   Fail: (196) [system] 'A'=(/)
^  Call: (196) [user] is_like_space('A')
   Call: (197) [system] char_type('A', 'white')
   Fail: (197) [system] char_type('A', 'white')
   Call: (197) [system] char_type('A', end_of_line)
   Fail: (197) [system] char_type('A', end_of_line)
   Call: (197) [system] char_type('A', space)
   Fail: (197) [system] char_type('A', space)
   Call: (197) [system] char_type('A', cntrl)
   Fail: (197) [system] char_type('A', cntrl)
^  Fail: (196) [user] is_like_space('A')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _534800)
   Exit: (194) [system] peek_char((0x55772f068e50), 'A')
   Call: (194) [system] 'A'=')'
   Fail: (194) [system] 'A'=')'
   Call: (194) [system] 'A'=end_of_file
   Fail: (194) [system] 'A'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _540370)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _542228)
   Exit: (196) [system] peek_char((0x55772f068e50), 'A')
   Call: (196) [system] 'A'=(;)
   Fail: (196) [system] 'A'=(;)
   Call: (196) [system] 'A'=(/)
   Fail: (196) [system] 'A'=(/)
^  Call: (196) [user] is_like_space('A')
   Call: (197) [system] char_type('A', 'white')
   Fail: (197) [system] char_type('A', 'white')
   Call: (197) [system] char_type('A', end_of_line)
   Fail: (197) [system] char_type('A', end_of_line)
   Call: (197) [system] char_type('A', space)
   Fail: (197) [system] char_type('A', space)
   Call: (197) [system] char_type('A', cntrl)
   Fail: (197) [system] char_type('A', cntrl)
^  Fail: (196) [user] is_like_space('A')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _558238)
   Exit: (195) [system] get_char((0x55772f068e50), 'A')
   Call: (195) [system] 'A'='('
   Fail: (195) [system] 'A'='('
   Call: (195) [system] 'A'='['
   Fail: (195) [system] 'A'='['
   Call: (195) [system] 'A'='{'
   Fail: (195) [system] 'A'='{'
   Call: (195) [system] 'A'='"'
   Fail: (195) [system] 'A'='"'
   Call: (195) [system] 'A'=!
   Fail: (195) [system] 'A'=!
   Call: (195) [system] 'A'='\''
   Fail: (195) [system] 'A'='\''
   Call: (195) [system] 'A'='`'
   Fail: (195) [system] 'A'='`'
   Call: (195) [system] 'A'=end_of_file
   Fail: (195) [system] 'A'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x55772f068e50), 'A', _540370)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _575880)
   Call: (197) [system] peek_char((0x55772f068e50), _576814)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _575880=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (196) [user] classify_and_convert_charseq(['A'], _540370)
^  Call: (197) [user] classify_and_convert_charseq_(['A'], _586098)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_587050, _587052), once(user:catch(read_from_chars(['A'], _586098), _587032, fail)), '$restore_trace'(_587050, _587052))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_587050, _587052))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _586098), _587032, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_586098)
   Fail: (198) [system] atomic(_586098)
   Call: (198) [system] atom_chars(_586098, ['A'])
   Exit: (198) [system] atom_chars('A', ['A'])
^  Exit: (197) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (197) [system] integer('A')
   Fail: (197) [system] integer('A')
   Call: (197) [system] _540370='A'
   Exit: (197) [system] 'A'='A'
^  Exit: (196) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (195) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (194) [user] read_list(')', (0x55772f068e50), _601048)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _602906)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _612500)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _615204)
   Exit: (197) [system] peek_char((0x55772f068e50), 'B')
   Call: (197) [system] 'B'=(;)
   Fail: (197) [system] 'B'=(;)
   Call: (197) [system] 'B'=(/)
   Fail: (197) [system] 'B'=(/)
^  Call: (197) [user] is_like_space('B')
   Call: (198) [system] char_type('B', 'white')
   Fail: (198) [system] char_type('B', 'white')
   Call: (198) [system] char_type('B', end_of_line)
   Fail: (198) [system] char_type('B', end_of_line)
   Call: (198) [system] char_type('B', space)
   Fail: (198) [system] char_type('B', space)
   Call: (198) [system] char_type('B', cntrl)
   Fail: (198) [system] char_type('B', cntrl)
^  Fail: (197) [user] is_like_space('B')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _632138)
   Exit: (195) [system] peek_char((0x55772f068e50), 'B')
   Call: (195) [system] 'B'=')'
   Fail: (195) [system] 'B'=')'
   Call: (195) [system] 'B'=end_of_file
   Fail: (195) [system] 'B'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _637708)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _639566)
   Exit: (197) [system] peek_char((0x55772f068e50), 'B')
   Call: (197) [system] 'B'=(;)
   Fail: (197) [system] 'B'=(;)
   Call: (197) [system] 'B'=(/)
   Fail: (197) [system] 'B'=(/)
^  Call: (197) [user] is_like_space('B')
   Call: (198) [system] char_type('B', 'white')
   Fail: (198) [system] char_type('B', 'white')
   Call: (198) [system] char_type('B', end_of_line)
   Fail: (198) [system] char_type('B', end_of_line)
   Call: (198) [system] char_type('B', space)
   Fail: (198) [system] char_type('B', space)
   Call: (198) [system] char_type('B', cntrl)
   Fail: (198) [system] char_type('B', cntrl)
^  Fail: (197) [user] is_like_space('B')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _655576)
   Exit: (196) [system] get_char((0x55772f068e50), 'B')
   Call: (196) [system] 'B'='('
   Fail: (196) [system] 'B'='('
   Call: (196) [system] 'B'='['
   Fail: (196) [system] 'B'='['
   Call: (196) [system] 'B'='{'
   Fail: (196) [system] 'B'='{'
   Call: (196) [system] 'B'='"'
   Fail: (196) [system] 'B'='"'
   Call: (196) [system] 'B'=!
   Fail: (196) [system] 'B'=!
   Call: (196) [system] 'B'='\''
   Fail: (196) [system] 'B'='\''
   Call: (196) [system] 'B'='`'
   Fail: (196) [system] 'B'='`'
   Call: (196) [system] 'B'=end_of_file
   Fail: (196) [system] 'B'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x55772f068e50), 'B', _637708)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _673218)
   Call: (198) [system] peek_char((0x55772f068e50), _674152)
   Exit: (198) [system] peek_char((0x55772f068e50), ')')
^  Call: (198) [user] is_delimiter(')')
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] arg(_678872, v('(', ')', end_of_file), ')')
   Exit: (199) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (198) [user] is_delimiter(')')
   Call: (198) [system] _673218=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (197) [user] classify_and_convert_charseq(['B'], _637708)
^  Call: (198) [user] classify_and_convert_charseq_(['B'], _685308)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_686260, _686262), once(user:catch(read_from_chars(['B'], _685308), _686242, fail)), '$restore_trace'(_686260, _686262))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_686260, _686262))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _685308), _686242, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(_685308)
   Fail: (199) [system] atomic(_685308)
   Call: (199) [system] atom_chars(_685308, ['B'])
   Exit: (199) [system] atom_chars('B', ['B'])
^  Exit: (198) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (198) [system] integer('B')
   Fail: (198) [system] integer('B')
   Call: (198) [system] _637708='B'
   Exit: (198) [system] 'B'='B'
^  Exit: (197) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (196) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (195) [user] read_list(')', (0x55772f068e50), _700258)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _702116)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _718126)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x55772f068e50), _721916)
   Exit: (196) [system] get_char((0x55772f068e50), ')')
   Call: (196) [system] _700258=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [])
   Call: (195) [system] _601048=['B']
   Exit: (195) [system] ['B']=['B']
^  Exit: (194) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (194) [system] _503710=['A', 'B']
   Exit: (194) [system] ['A', 'B']=['A', 'B']
^  Exit: (193) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (193) [system] _297634=['AndLink', 'A', 'B']
   Exit: (193) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (192) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (191) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (191) [user] read_list(')', (0x55772f068e50), _735798)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _737656)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _747250)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _749954)
   Exit: (194) [system] peek_char((0x55772f068e50), 'C')
   Call: (194) [system] 'C'=(;)
   Fail: (194) [system] 'C'=(;)
   Call: (194) [system] 'C'=(/)
   Fail: (194) [system] 'C'=(/)
^  Call: (194) [user] is_like_space('C')
   Call: (195) [system] char_type('C', 'white')
   Fail: (195) [system] char_type('C', 'white')
   Call: (195) [system] char_type('C', end_of_line)
   Fail: (195) [system] char_type('C', end_of_line)
   Call: (195) [system] char_type('C', space)
   Fail: (195) [system] char_type('C', space)
   Call: (195) [system] char_type('C', cntrl)
   Fail: (195) [system] char_type('C', cntrl)
^  Fail: (194) [user] is_like_space('C')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _766888)
   Exit: (192) [system] peek_char((0x55772f068e50), 'C')
   Call: (192) [system] 'C'=')'
   Fail: (192) [system] 'C'=')'
   Call: (192) [system] 'C'=end_of_file
   Fail: (192) [system] 'C'=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _772458)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _774316)
   Exit: (194) [system] peek_char((0x55772f068e50), 'C')
   Call: (194) [system] 'C'=(;)
   Fail: (194) [system] 'C'=(;)
   Call: (194) [system] 'C'=(/)
   Fail: (194) [system] 'C'=(/)
^  Call: (194) [user] is_like_space('C')
   Call: (195) [system] char_type('C', 'white')
   Fail: (195) [system] char_type('C', 'white')
   Call: (195) [system] char_type('C', end_of_line)
   Fail: (195) [system] char_type('C', end_of_line)
   Call: (195) [system] char_type('C', space)
   Fail: (195) [system] char_type('C', space)
   Call: (195) [system] char_type('C', cntrl)
   Fail: (195) [system] char_type('C', cntrl)
^  Fail: (194) [user] is_like_space('C')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _790326)
   Exit: (193) [system] get_char((0x55772f068e50), 'C')
   Call: (193) [system] 'C'='('
   Fail: (193) [system] 'C'='('
   Call: (193) [system] 'C'='['
   Fail: (193) [system] 'C'='['
   Call: (193) [system] 'C'='{'
   Fail: (193) [system] 'C'='{'
   Call: (193) [system] 'C'='"'
   Fail: (193) [system] 'C'='"'
   Call: (193) [system] 'C'=!
   Fail: (193) [system] 'C'=!
   Call: (193) [system] 'C'='\''
   Fail: (193) [system] 'C'='\''
   Call: (193) [system] 'C'='`'
   Fail: (193) [system] 'C'='`'
   Call: (193) [system] 'C'=end_of_file
   Fail: (193) [system] 'C'=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x55772f068e50), 'C', _772458)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _807968)
   Call: (195) [system] peek_char((0x55772f068e50), _808902)
   Exit: (195) [system] peek_char((0x55772f068e50), ')')
^  Call: (195) [user] is_delimiter(')')
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] arg(_813622, v('(', ')', end_of_file), ')')
   Exit: (196) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (195) [user] is_delimiter(')')
   Call: (195) [system] _807968=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (194) [user] classify_and_convert_charseq(['C'], _772458)
^  Call: (195) [user] classify_and_convert_charseq_(['C'], _820058)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_821010, _821012), once(user:catch(read_from_chars(['C'], _820058), _820992, fail)), '$restore_trace'(_821010, _821012))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_821010, _821012))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _820058), _820992, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(_820058)
   Fail: (196) [system] atomic(_820058)
   Call: (196) [system] atom_chars(_820058, ['C'])
   Exit: (196) [system] atom_chars('C', ['C'])
^  Exit: (195) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (195) [system] integer('C')
   Fail: (195) [system] integer('C')
   Call: (195) [system] _772458='C'
   Exit: (195) [system] 'C'='C'
^  Exit: (194) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (193) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (192) [user] read_list(')', (0x55772f068e50), _835008)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _836866)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _852876)
   Exit: (193) [system] peek_char((0x55772f068e50), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x55772f068e50), _856666)
   Exit: (193) [system] get_char((0x55772f068e50), ')')
   Call: (193) [system] _835008=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [])
   Call: (192) [system] _735798=['C']
   Exit: (192) [system] ['C']=['C']
^  Exit: (191) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (191) [system] _260974=[['AndLink', 'A', 'B'], 'C']
   Exit: (191) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (190) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (190) [system] _3396=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (190) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (189) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (188) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (188) [user] read_list(')', (0x55772f068e50), _870548)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _872406)
   Exit: (190) [system] peek_char((0x55772f068e50), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _888416)
   Exit: (189) [system] peek_char((0x55772f068e50), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x55772f068e50), _892206)
   Exit: (189) [system] get_char((0x55772f068e50), ')')
   Call: (189) [system] _870548=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [])
   Call: (188) [system] _3392=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (188) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (187) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (187) [system] _3386=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (187) [system] [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (186) [user] read_list(')', (0x55772f068e50), [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (186) [system] _3378=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (186) [system] [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (184) [user] cont_sexpr(')', (0x55772f068e50), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (184) [user] read_list(')', (0x55772f068e50), _906088)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _907946)
   Exit: (186) [system] peek_char((0x55772f068e50), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _923956)
   Exit: (185) [system] peek_char((0x55772f068e50), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x55772f068e50), _927746)
   Exit: (185) [system] get_char((0x55772f068e50), ')')
   Call: (185) [system] _906088=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [])
   Call: (184) [system] _3374=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (184) [system] [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (183) [user] read_list(')', (0x55772f068e50), [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (183) [system] _3362=[[kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (183) [system] [[kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[[kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (182) [user] read_list(')', (0x55772f068e50), [[kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (182) [system] _3322=[=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (182) [system] [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (181) [user] read_list(')', (0x55772f068e50), [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (180) [user] cont_sexpr(')', (0x55772f068e50), [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (179) [user] read_sexpr((0x55772f068e50), [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (179) [user] assertz(metta_file_comment(98, 0, 4107, [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]], '$stream_position'(4107, 98, 0, 4107)))
^  Exit: (179) [user] assertz(metta_file_comment(98, 0, 4107, [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]], '$stream_position'(4107, 98, 0, 4107)))
^  Exit: (177) [system] once(user:(read_position((0x55772f068e50), 98, 0, 4107, '$stream_position'(4107, 98, 0, 4107)), read_sexpr((0x55772f068e50), [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]), assertz(metta_file_comment(98, 0, 4107, [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]], '$stream_position'(4107, 98, 0, 4107)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_946264, _946266, _946268, _946270, _946272))
^  Exit: (177) [user] retract(metta_file_comment(47, 0, 1560, '$COMMENT'(";;", 47, 0), '$stream_position'(1560, 47, 0, 1560)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;", 47, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;", 47, 0), _949096))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;", 47, 0), _949096)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;", 47, 0), _949096)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;", 47, 0), _951912))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;", 47, 0), _951912))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;", 47, 0), _951912)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;", 47, 0), _954712))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;", 47, 0), _954712)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;", 47, 0), _954712)
   Call: (187) [system] var('$COMMENT'(";;", 47, 0))
   Call: (187) [system] atom('$COMMENT'(";;", 47, 0))
   Call: (187) [system] '$COMMENT'(";;", 47, 0)==true
   Call: (187) [system] '$COMMENT'(";;", 47, 0)==false
   Call: (187) [system] '$COMMENT'(";;", 47, 0)==[_961232, _961238]
   Call: (187) [system] is_list('$COMMENT'(";;", 47, 0))
   Call: (187) [system] string('$COMMENT'(";;", 47, 0))
   Call: (187) [system] compound('$COMMENT'(";;", 47, 0))
   Exit: (187) [system] compound('$COMMENT'(";;", 47, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;", 47, 0), _965866, _965868)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;", 47, 0), '$COMMENT', [";;", 47, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;", 47, 0], _969608)
   Call: (188) [apply] apply:maplist_([";;", 47, 0], _969608, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;", _971488)
   Call: (190) [system] var(";;")
   Call: (190) [system] atom(";;")
   Call: (190) [system] ";;"==true
   Call: (190) [system] ";;"==false
   Call: (190) [system] ";;"==[_976130, _976136]
   Call: (190) [system] is_list(";;")
   Call: (190) [system] string(";;")
   Exit: (190) [system] string(";;")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;")
^  Call: (190) [user] symbol(";;")
   Call: (191) [system] atom(";;")
   Fail: (191) [system] atom(";;")
^  Fail: (190) [user] symbol(";;")
   Call: (190) [system] ";;"=_971488
   Exit: (190) [system] ";;"=";;"
^  Exit: (189) [user] mfix_vars1(";;", ";;")
   Call: (189) [apply] apply:maplist_([47, 0], _971490, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(47, _990010)
   Call: (191) [system] var(47)
   Call: (191) [system] atom(47)
   Call: (191) [system] 47==true
   Call: (191) [system] 47==false
   Call: (191) [system] 47==[_994652, _994658]
   Call: (191) [system] is_list(47)
   Call: (191) [system] string(47)
   Call: (191) [system] compound(47)
^  Call: (191) [user] symbol(47)
   Call: (192) [system] atom(47)
   Fail: (192) [system] atom(47)
^  Fail: (191) [user] symbol(47)
   Call: (191) [system] 47=_990010
   Exit: (191) [system] 47=47
^  Exit: (190) [user] mfix_vars1(47, 47)
   Call: (190) [apply] apply:maplist_([0], _990012, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _1005776)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_1010418, _1010424]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_1005776
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _1005778, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([47, 0], [47, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;", 47, 0], [";;", 47, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;", 47, 0], [";;", 47, 0])
   Call: (187) [system] compound_name_arguments(_954712, '$COMMENT', [";;", 47, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;", 47, 0), '$COMMENT', [";;", 47, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;", 47, 0), '$COMMENT'(";;", 47, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;", 47, 0), '$COMMENT'(";;", 47, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;", 47, 0), '$COMMENT'(";;", 47, 0)))
   Call: (184) [system] '$COMMENT'(";;", 47, 0)\=@='$COMMENT'(";;", 47, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;", 47, 0), '$COMMENT'(";;", 47, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;", 47, 0), '$COMMENT'(";;", 47, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;", 47, 0), '$COMMENT'(";;", 47, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;", 47, 0), _1034594))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;", 47, 0), _1034594))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;", 47, 0), _1034594)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;", 47, 0), _1037394))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;", 47, 0), _1037394)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;", 47, 0), _1037394)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;", 47, 0), '$COMMENT'(";;", 47, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;", 47, 0), '$COMMENT'(";;", 47, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;", 47, 0), '$COMMENT'(";;", 47, 0)))
   Call: (184) [system] '$COMMENT'(";;", 47, 0)\=@='$COMMENT'(";;", 47, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;", 47, 0), '$COMMENT'(";;", 47, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;", 47, 0), '$COMMENT'(";;", 47, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;", 47, 0), '$COMMENT'(";;", 47, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;", 47, 0), _949096))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;", 47, 0), _949096))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;", 47, 0), _949096)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;", 47, 0), _1051352))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;", 47, 0), _1051352)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;", 47, 0), _1051352)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;", 47, 0), '$COMMENT'(";;", 47, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;", 47, 0), '$COMMENT'(";;", 47, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;", 47, 0), '$COMMENT'(";;", 47, 0)))
   Call: (184) [system] '$COMMENT'(";;", 47, 0)\=@='$COMMENT'(";;", 47, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;", 47, 0), '$COMMENT'(";;", 47, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;", 47, 0), '$COMMENT'(";;", 47, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;", 47, 0), '$COMMENT'(";;", 47, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;", 47, 0), '$COMMENT'(";;", 47, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;", 47, 0), '$COMMENT'(";;", 47, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;", 47, 0), '$COMMENT'(";;", 47, 0)))
   Call: (178) [system] '$COMMENT'(";;", 47, 0)\=@='$COMMENT'(";;", 47, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;", 47, 0), '$COMMENT'(";;", 47, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;", 47, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;", 47, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;", 47, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";;", 47, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";;", 47, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;", 47, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;", 47, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";;", 47, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";;", 47, 0))
^  Exit: (171) [user] read_sform((0x55772f068e50), '$COMMENT'(";;", 47, 0))
^  Exit: (170) [system] once(user:read_sform((0x55772f068e50), '$COMMENT'(";;", 47, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x55772f068e50), '$COMMENT'(";;", 47, 0)))
   Call: (169) [system] '$COMMENT'(";;", 47, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;", 47, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 47, 0)), 97]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;", 47, 0), me_synthesize_1727481849_9551582, 97)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 47, 0)), 97]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727481858.4371545)
   Call: (173) [system] arg(1, t(1727481858.222791), _3148)
   Exit: (173) [system] arg(1, t(1727481858.222791), 1727481858.222791)
   Call: (173) [system] _3158 is 1727481858.4371545-1727481858.222791
   Exit: (173) [system] 0.21436357498168945 is 1727481858.4371545-1727481858.222791
   Call: (173) [system] 0.21436357498168945>4
   Fail: (173) [system] 0.21436357498168945>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 47, 0)), 97]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 13)
   Call: (175) [system] atom(13+1)
   Call: (175) [system] set_flag(translated_forms, 14)
   Exit: (175) [system] set_flag(translated_forms, 14)
   Exit: (174) [$syspreds] update_flag(translated_forms, 13, 13+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 13, 13+1))
   Exit: (171) [$syspreds] flag(translated_forms, 13, 13+1)
^  Call: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;", 47, 0), me_synthesize_1727481849_9551582, 97)
^  Call: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";;"])
^  Exit: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";;"])
^  Exit: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;", 47, 0), me_synthesize_1727481849_9551582, 97)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 47, 0)), 97]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 13, 13+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";;", 47, 0), me_synthesize_1727481849_9551582, 97)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x55772f068e50))
   Fail: (169) [system] at_end_of_stream((0x55772f068e50))
^  Call: (169) [user] must_det_ll(line_count((0x55772f068e50), _3074))
^  Call: (170) [user] once(user:line_count((0x55772f068e50), _3074))
   Call: (171) [system] line_count((0x55772f068e50), _3074)
   Exit: (171) [system] line_count((0x55772f068e50), 98)
^  Exit: (170) [system] once(user:line_count((0x55772f068e50), 98))
^  Exit: (169) [user] must_det_ll(user:line_count((0x55772f068e50), 98))
^  Call: (169) [user] must_det_ll(read_sform((0x55772f068e50), _3084))
^  Call: (170) [user] once(user:read_sform((0x55772f068e50), _3084))
^  Call: (171) [user] read_sform((0x55772f068e50), _3084)
   Call: (172) [system] string((0x55772f068e50))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (173) [system] string((0x55772f068e50))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (174) [system] at_end_of_stream((0x55772f068e50))
   Call: (174) [system] peek_char((0x55772f068e50), _1126136)
   Exit: (174) [system] peek_char((0x55772f068e50), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x55772f068e50), '\n')
   Exit: (174) [system] get_char((0x55772f068e50), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), _3084)
   Call: (175) [system] at_end_of_stream((0x55772f068e50))
   Call: (175) [system] peek_char((0x55772f068e50), _1133558)
   Exit: (175) [system] peek_char((0x55772f068e50), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (176) [system] string((0x55772f068e50))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (177) [system] at_end_of_stream((0x55772f068e50))
   Call: (177) [system] peek_char((0x55772f068e50), _1141896)
   Exit: (177) [system] peek_char((0x55772f068e50), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _1144682=(0x55772f068e50)
   Exit: (177) [system] (0x55772f068e50)=(0x55772f068e50)
^  Call: (177) [user] once((read_position((0x55772f068e50), _1146550, _1146552, _1146554, _1146556), read_sexpr((0x55772f068e50), _1146568), assertz(metta_file_comment(_1146550, _1146552, _1146554, _1146568, _1146556))))
^  Call: (179) [user] read_position((0x55772f068e50), _1146550, _1146552, _1146554, _1146556)
   Call: (180) [system] stream_property((0x55772f068e50), position(_1146556))
   Call: (181) [system] nonvar((0x55772f068e50))
   Exit: (181) [system] nonvar((0x55772f068e50))
   Call: (181) [system] nonvar(position(_1146556))
   Exit: (181) [system] nonvar(position(_1146556))
   Exit: (180) [system] stream_property((0x55772f068e50), position('$stream_position'(4154, 99, 0, 4154)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4154, 99, 0, 4154), _1146550)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1156808)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4154, 99, 0, 4154), _1146550)
   Exit: (181) [system] arg(2, '$stream_position'(4154, 99, 0, 4154), 99)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4154, 99, 0, 4154), 99)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4154, 99, 0, 4154), _1146552)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1164242)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4154, 99, 0, 4154), _1146552)
   Exit: (181) [system] arg(3, '$stream_position'(4154, 99, 0, 4154), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4154, 99, 0, 4154), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4154, 99, 0, 4154), _1146554)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1171676)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4154, 99, 0, 4154), _1146554)
   Exit: (181) [system] arg(1, '$stream_position'(4154, 99, 0, 4154), 4154)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4154, 99, 0, 4154), 4154)
^  Exit: (179) [user] read_position((0x55772f068e50), 99, 0, 4154, '$stream_position'(4154, 99, 0, 4154))
^  Call: (179) [user] read_sexpr((0x55772f068e50), _1146568)
   Call: (180) [system] string((0x55772f068e50))
   Fail: (180) [system] string((0x55772f068e50))
^  Call: (180) [user] cont_sexpr(')', (0x55772f068e50), _1146568)
^  Call: (181) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _1181902)
   Exit: (182) [system] peek_char((0x55772f068e50), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x55772f068e50))
   Call: (181) [system] get_char((0x55772f068e50), _1197912)
   Exit: (181) [system] get_char((0x55772f068e50), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x55772f068e50), _1146568)
^  Call: (182) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _1203482)
   Exit: (183) [system] peek_char((0x55772f068e50), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _1219492)
   Exit: (182) [system] peek_char((0x55772f068e50), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x55772f068e50), _1225062)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _1226920)
   Exit: (184) [system] peek_char((0x55772f068e50), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] get_char((0x55772f068e50), _1242930)
   Exit: (183) [system] get_char((0x55772f068e50), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x55772f068e50), =, _1225062)
^  Call: (184) [user] read_symbolic_cont(')', (0x55772f068e50), _1260572)
   Call: (185) [system] peek_char((0x55772f068e50), _1261506)
   Exit: (185) [system] peek_char((0x55772f068e50), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1260572=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _1225062)
^  Call: (185) [user] classify_and_convert_charseq_([=], _1270790)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_1271742, _1271744), once(user:catch(read_from_chars([=], _1270790), _1271724, fail)), '$restore_trace'(_1271742, _1271744))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_1271742, _1271744))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1271724, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _1225062=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x55772f068e50), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x55772f068e50), =)
^  Call: (182) [user] read_list(')', (0x55772f068e50), _1283870)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _1285728)
   Exit: (184) [system] peek_char((0x55772f068e50), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x55772f068e50), _1295322)
   Exit: (184) [system] get_char((0x55772f068e50), ' ')
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1298026)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _1314960)
   Exit: (183) [system] peek_char((0x55772f068e50), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x55772f068e50), _1320530)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1322388)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] get_char((0x55772f068e50), _1338398)
   Exit: (184) [system] get_char((0x55772f068e50), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x55772f068e50), _1320530)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1343968)
   Exit: (186) [system] peek_char((0x55772f068e50), k)
   Call: (186) [system] k=(;)
   Fail: (186) [system] k=(;)
   Call: (186) [system] k=(/)
   Fail: (186) [system] k=(/)
^  Call: (186) [user] is_like_space(k)
   Call: (187) [system] char_type(k, 'white')
   Fail: (187) [system] char_type(k, 'white')
   Call: (187) [system] char_type(k, end_of_line)
   Fail: (187) [system] char_type(k, end_of_line)
   Call: (187) [system] char_type(k, space)
   Fail: (187) [system] char_type(k, space)
   Call: (187) [system] char_type(k, cntrl)
   Fail: (187) [system] char_type(k, cntrl)
^  Fail: (186) [user] is_like_space(k)
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1359978)
   Exit: (185) [system] peek_char((0x55772f068e50), k)
   Call: (185) [system] k=')'
   Fail: (185) [system] k=')'
   Call: (185) [system] k=end_of_file
   Fail: (185) [system] k=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x55772f068e50), _1365548)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1367406)
   Exit: (187) [system] peek_char((0x55772f068e50), k)
   Call: (187) [system] k=(;)
   Fail: (187) [system] k=(;)
   Call: (187) [system] k=(/)
   Fail: (187) [system] k=(/)
^  Call: (187) [user] is_like_space(k)
   Call: (188) [system] char_type(k, 'white')
   Fail: (188) [system] char_type(k, 'white')
   Call: (188) [system] char_type(k, end_of_line)
   Fail: (188) [system] char_type(k, end_of_line)
   Call: (188) [system] char_type(k, space)
   Fail: (188) [system] char_type(k, space)
   Call: (188) [system] char_type(k, cntrl)
   Fail: (188) [system] char_type(k, cntrl)
^  Fail: (187) [user] is_like_space(k)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] get_char((0x55772f068e50), _1383416)
   Exit: (186) [system] get_char((0x55772f068e50), k)
   Call: (186) [system] k='('
   Fail: (186) [system] k='('
   Call: (186) [system] k='['
   Fail: (186) [system] k='['
   Call: (186) [system] k='{'
   Fail: (186) [system] k='{'
   Call: (186) [system] k='"'
   Fail: (186) [system] k='"'
   Call: (186) [system] k=!
   Fail: (186) [system] k=!
   Call: (186) [system] k='\''
   Fail: (186) [system] k='\''
   Call: (186) [system] k='`'
   Fail: (186) [system] k='`'
   Call: (186) [system] k=end_of_file
   Fail: (186) [system] k=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x55772f068e50), k, _1365548)
^  Call: (187) [user] read_symbolic_cont(')', (0x55772f068e50), _1401058)
   Call: (188) [system] peek_char((0x55772f068e50), _1401992)
   Exit: (188) [system] peek_char((0x55772f068e50), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_1406712, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_1407644, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x55772f068e50), b)
   Exit: (188) [system] get_char((0x55772f068e50), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _1414994)
   Call: (189) [system] peek_char((0x55772f068e50), _1415928)
   Exit: (189) [system] peek_char((0x55772f068e50), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_1420648, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _1414994=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (188) [system] _1401058=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
^  Call: (187) [user] classify_and_convert_charseq([k, b], _1365548)
^  Call: (188) [user] classify_and_convert_charseq_([k, b], _1429878)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1430830, _1430832), once(user:catch(read_from_chars([k, b], _1429878), _1430812, fail)), '$restore_trace'(_1430830, _1430832))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1430830, _1430832))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _1430812, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(kb)
   Exit: (189) [system] atomic(kb)
^  Exit: (188) [user] classify_and_convert_charseq_([k, b], kb)
   Call: (188) [system] integer(kb)
   Fail: (188) [system] integer(kb)
   Call: (188) [system] _1365548=kb
   Exit: (188) [system] kb=kb
^  Exit: (187) [user] classify_and_convert_charseq([k, b], kb)
^  Exit: (186) [user] read_symbolic(')', (0x55772f068e50), k, kb)
^  Exit: (185) [user] cont_sexpr(')', (0x55772f068e50), kb)
^  Call: (185) [user] read_list(')', (0x55772f068e50), _1442958)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1444816)
   Exit: (187) [system] peek_char((0x55772f068e50), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1460826)
   Exit: (186) [system] peek_char((0x55772f068e50), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x55772f068e50), _1464616)
   Exit: (186) [system] get_char((0x55772f068e50), ')')
   Call: (186) [system] _1442958=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [])
   Call: (185) [system] _1320530=[kb]
   Exit: (185) [system] [kb]=[kb]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [kb])
^  Exit: (183) [user] cont_sexpr(')', (0x55772f068e50), [kb])
^  Call: (183) [user] read_list(')', (0x55772f068e50), _1472910)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1474768)
   Exit: (185) [system] peek_char((0x55772f068e50), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x55772f068e50), _1484362)
   Exit: (185) [system] get_char((0x55772f068e50), ' ')
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1487066)
   Exit: (186) [system] peek_char((0x55772f068e50), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _1504000)
   Exit: (184) [system] peek_char((0x55772f068e50), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x55772f068e50), _1509570)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1511428)
   Exit: (186) [system] peek_char((0x55772f068e50), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] get_char((0x55772f068e50), _1527438)
   Exit: (185) [system] get_char((0x55772f068e50), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x55772f068e50), _1509570)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1533008)
   Exit: (187) [system] peek_char((0x55772f068e50), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
   Call: (187) [system] (:)=(/)
   Fail: (187) [system] (:)=(/)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1549018)
   Exit: (186) [system] peek_char((0x55772f068e50), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x55772f068e50), _1554588)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1556446)
   Exit: (188) [system] peek_char((0x55772f068e50), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
   Call: (188) [system] (:)=(/)
   Fail: (188) [system] (:)=(/)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] get_char((0x55772f068e50), _1572456)
   Exit: (187) [system] get_char((0x55772f068e50), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x55772f068e50), :, _1554588)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _1590098)
   Call: (189) [system] peek_char((0x55772f068e50), _1591032)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _1590098=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (188) [user] classify_and_convert_charseq([:], _1554588)
^  Call: (189) [user] classify_and_convert_charseq_([:], _1600316)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1601268, _1601270), once(user:catch(read_from_chars([:], _1600316), _1601250, fail)), '$restore_trace'(_1601268, _1601270))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1601268, _1601270))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1601250, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(:)
   Exit: (190) [system] atomic(:)
^  Exit: (189) [user] classify_and_convert_charseq_([:], :)
   Call: (189) [system] integer(:)
   Fail: (189) [system] integer(:)
   Call: (189) [system] _1554588=(:)
   Exit: (189) [system] (:)=(:)
^  Exit: (188) [user] classify_and_convert_charseq([:], :)
^  Exit: (187) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (186) [user] read_list(')', (0x55772f068e50), _1613396)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1615254)
   Exit: (188) [system] peek_char((0x55772f068e50), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x55772f068e50), _1624848)
   Exit: (188) [system] get_char((0x55772f068e50), ' ')
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1627552)
   Exit: (189) [system] peek_char((0x55772f068e50), c)
   Call: (189) [system] c=(;)
   Fail: (189) [system] c=(;)
   Call: (189) [system] c=(/)
   Fail: (189) [system] c=(/)
^  Call: (189) [user] is_like_space(c)
   Call: (190) [system] char_type(c, 'white')
   Fail: (190) [system] char_type(c, 'white')
   Call: (190) [system] char_type(c, end_of_line)
   Fail: (190) [system] char_type(c, end_of_line)
   Call: (190) [system] char_type(c, space)
   Fail: (190) [system] char_type(c, space)
   Call: (190) [system] char_type(c, cntrl)
   Fail: (190) [system] char_type(c, cntrl)
^  Fail: (189) [user] is_like_space(c)
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1644486)
   Exit: (187) [system] peek_char((0x55772f068e50), c)
   Call: (187) [system] c=')'
   Fail: (187) [system] c=')'
   Call: (187) [system] c=end_of_file
   Fail: (187) [system] c=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x55772f068e50), _1650056)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1651914)
   Exit: (189) [system] peek_char((0x55772f068e50), c)
   Call: (189) [system] c=(;)
   Fail: (189) [system] c=(;)
   Call: (189) [system] c=(/)
   Fail: (189) [system] c=(/)
^  Call: (189) [user] is_like_space(c)
   Call: (190) [system] char_type(c, 'white')
   Fail: (190) [system] char_type(c, 'white')
   Call: (190) [system] char_type(c, end_of_line)
   Fail: (190) [system] char_type(c, end_of_line)
   Call: (190) [system] char_type(c, space)
   Fail: (190) [system] char_type(c, space)
   Call: (190) [system] char_type(c, cntrl)
   Fail: (190) [system] char_type(c, cntrl)
^  Fail: (189) [user] is_like_space(c)
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] get_char((0x55772f068e50), _1667924)
   Exit: (188) [system] get_char((0x55772f068e50), c)
   Call: (188) [system] c='('
   Fail: (188) [system] c='('
   Call: (188) [system] c='['
   Fail: (188) [system] c='['
   Call: (188) [system] c='{'
   Fail: (188) [system] c='{'
   Call: (188) [system] c='"'
   Fail: (188) [system] c='"'
   Call: (188) [system] c=!
   Fail: (188) [system] c=!
   Call: (188) [system] c='\''
   Fail: (188) [system] c='\''
   Call: (188) [system] c='`'
   Fail: (188) [system] c='`'
   Call: (188) [system] c=end_of_file
   Fail: (188) [system] c=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x55772f068e50), c, _1650056)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _1685566)
   Call: (190) [system] peek_char((0x55772f068e50), _1686500)
   Exit: (190) [system] peek_char((0x55772f068e50), d)
^  Call: (190) [user] is_delimiter(d)
   Call: (191) [system] char_type(d, space)
   Fail: (191) [system] char_type(d, space)
   Call: (191) [system] arg(_1691220, v('(', ')', end_of_file), d)
   Fail: (191) [system] arg(_1692152, v('(', ')', end_of_file), d)
^  Fail: (190) [user] is_delimiter(d)
   Call: (190) [system] ')'==d
   Fail: (190) [system] ')'==d
   Call: (190) [system] get_char((0x55772f068e50), d)
   Exit: (190) [system] get_char((0x55772f068e50), d)
   Call: (190) [system] d=(\)
   Fail: (190) [system] d=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _1699502)
   Call: (191) [system] peek_char((0x55772f068e50), _1700436)
   Exit: (191) [system] peek_char((0x55772f068e50), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Fail: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_1705156, v('(', ')', end_of_file), e)
   Fail: (192) [system] arg(_1706088, v('(', ')', end_of_file), e)
^  Fail: (191) [user] is_delimiter(e)
   Call: (191) [system] ')'==e
   Fail: (191) [system] ')'==e
   Call: (191) [system] get_char((0x55772f068e50), e)
   Exit: (191) [system] get_char((0x55772f068e50), e)
   Call: (191) [system] e=(\)
   Fail: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _1713438)
   Call: (192) [system] peek_char((0x55772f068e50), _1714372)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _1713438=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (191) [system] _1699502=[e]
   Exit: (191) [system] [e]=[e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (190) [system] _1685566=[d, e]
   Exit: (190) [system] [d, e]=[d, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [d, e])
^  Call: (189) [user] classify_and_convert_charseq([c, d, e], _1650056)
^  Call: (190) [user] classify_and_convert_charseq_([c, d, e], _1729244)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_1730196, _1730198), once(user:catch(read_from_chars([c, d, e], _1729244), _1730178, fail)), '$restore_trace'(_1730196, _1730198))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_1730196, _1730198))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1730178, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(cde)
   Exit: (191) [system] atomic(cde)
^  Exit: (190) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (190) [system] integer(cde)
   Fail: (190) [system] integer(cde)
   Call: (190) [system] _1650056=cde
   Exit: (190) [system] cde=cde
^  Exit: (189) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (188) [user] read_symbolic(')', (0x55772f068e50), c, cde)
^  Exit: (187) [user] cont_sexpr(')', (0x55772f068e50), cde)
^  Call: (187) [user] read_list(')', (0x55772f068e50), _1742324)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1744182)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x55772f068e50), _1753776)
   Exit: (189) [system] get_char((0x55772f068e50), ' ')
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1756480)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1773414)
   Exit: (188) [system] peek_char((0x55772f068e50), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x55772f068e50), _1778984)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1780842)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] get_char((0x55772f068e50), _1796852)
   Exit: (189) [system] get_char((0x55772f068e50), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x55772f068e50), _1778984)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1802422)
   Exit: (191) [system] peek_char((0x55772f068e50), 'I')
   Call: (191) [system] 'I'=(;)
   Fail: (191) [system] 'I'=(;)
   Call: (191) [system] 'I'=(/)
   Fail: (191) [system] 'I'=(/)
^  Call: (191) [user] is_like_space('I')
   Call: (192) [system] char_type('I', 'white')
   Fail: (192) [system] char_type('I', 'white')
   Call: (192) [system] char_type('I', end_of_line)
   Fail: (192) [system] char_type('I', end_of_line)
   Call: (192) [system] char_type('I', space)
   Fail: (192) [system] char_type('I', space)
   Call: (192) [system] char_type('I', cntrl)
   Fail: (192) [system] char_type('I', cntrl)
^  Fail: (191) [user] is_like_space('I')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1818432)
   Exit: (190) [system] peek_char((0x55772f068e50), 'I')
   Call: (190) [system] 'I'=')'
   Fail: (190) [system] 'I'=')'
   Call: (190) [system] 'I'=end_of_file
   Fail: (190) [system] 'I'=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x55772f068e50), _1824002)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1825860)
   Exit: (192) [system] peek_char((0x55772f068e50), 'I')
   Call: (192) [system] 'I'=(;)
   Fail: (192) [system] 'I'=(;)
   Call: (192) [system] 'I'=(/)
   Fail: (192) [system] 'I'=(/)
^  Call: (192) [user] is_like_space('I')
   Call: (193) [system] char_type('I', 'white')
   Fail: (193) [system] char_type('I', 'white')
   Call: (193) [system] char_type('I', end_of_line)
   Fail: (193) [system] char_type('I', end_of_line)
   Call: (193) [system] char_type('I', space)
   Fail: (193) [system] char_type('I', space)
   Call: (193) [system] char_type('I', cntrl)
   Fail: (193) [system] char_type('I', cntrl)
^  Fail: (192) [user] is_like_space('I')
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] get_char((0x55772f068e50), _1841870)
   Exit: (191) [system] get_char((0x55772f068e50), 'I')
   Call: (191) [system] 'I'='('
   Fail: (191) [system] 'I'='('
   Call: (191) [system] 'I'='['
   Fail: (191) [system] 'I'='['
   Call: (191) [system] 'I'='{'
   Fail: (191) [system] 'I'='{'
   Call: (191) [system] 'I'='"'
   Fail: (191) [system] 'I'='"'
   Call: (191) [system] 'I'=!
   Fail: (191) [system] 'I'=!
   Call: (191) [system] 'I'='\''
   Fail: (191) [system] 'I'='\''
   Call: (191) [system] 'I'='`'
   Fail: (191) [system] 'I'='`'
   Call: (191) [system] 'I'=end_of_file
   Fail: (191) [system] 'I'=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x55772f068e50), 'I', _1824002)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _1859512)
   Call: (193) [system] peek_char((0x55772f068e50), _1860446)
   Exit: (193) [system] peek_char((0x55772f068e50), m)
^  Call: (193) [user] is_delimiter(m)
   Call: (194) [system] char_type(m, space)
   Fail: (194) [system] char_type(m, space)
   Call: (194) [system] arg(_1865166, v('(', ')', end_of_file), m)
   Fail: (194) [system] arg(_1866098, v('(', ')', end_of_file), m)
^  Fail: (193) [user] is_delimiter(m)
   Call: (193) [system] ')'==m
   Fail: (193) [system] ')'==m
   Call: (193) [system] get_char((0x55772f068e50), m)
   Exit: (193) [system] get_char((0x55772f068e50), m)
   Call: (193) [system] m=(\)
   Fail: (193) [system] m=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _1873448)
   Call: (194) [system] peek_char((0x55772f068e50), _1874382)
   Exit: (194) [system] peek_char((0x55772f068e50), p)
^  Call: (194) [user] is_delimiter(p)
   Call: (195) [system] char_type(p, space)
   Fail: (195) [system] char_type(p, space)
   Call: (195) [system] arg(_1879102, v('(', ')', end_of_file), p)
   Fail: (195) [system] arg(_1880034, v('(', ')', end_of_file), p)
^  Fail: (194) [user] is_delimiter(p)
   Call: (194) [system] ')'==p
   Fail: (194) [system] ')'==p
   Call: (194) [system] get_char((0x55772f068e50), p)
   Exit: (194) [system] get_char((0x55772f068e50), p)
   Call: (194) [system] p=(\)
   Fail: (194) [system] p=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _1887384)
   Call: (195) [system] peek_char((0x55772f068e50), _1888318)
   Exit: (195) [system] peek_char((0x55772f068e50), l)
^  Call: (195) [user] is_delimiter(l)
   Call: (196) [system] char_type(l, space)
   Fail: (196) [system] char_type(l, space)
   Call: (196) [system] arg(_1893038, v('(', ')', end_of_file), l)
   Fail: (196) [system] arg(_1893970, v('(', ')', end_of_file), l)
^  Fail: (195) [user] is_delimiter(l)
   Call: (195) [system] ')'==l
   Fail: (195) [system] ')'==l
   Call: (195) [system] get_char((0x55772f068e50), l)
   Exit: (195) [system] get_char((0x55772f068e50), l)
   Call: (195) [system] l=(\)
   Fail: (195) [system] l=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _1901320)
   Call: (196) [system] peek_char((0x55772f068e50), _1902254)
   Exit: (196) [system] peek_char((0x55772f068e50), i)
^  Call: (196) [user] is_delimiter(i)
   Call: (197) [system] char_type(i, space)
   Fail: (197) [system] char_type(i, space)
   Call: (197) [system] arg(_1906974, v('(', ')', end_of_file), i)
   Fail: (197) [system] arg(_1907906, v('(', ')', end_of_file), i)
^  Fail: (196) [user] is_delimiter(i)
   Call: (196) [system] ')'==i
   Fail: (196) [system] ')'==i
   Call: (196) [system] get_char((0x55772f068e50), i)
   Exit: (196) [system] get_char((0x55772f068e50), i)
   Call: (196) [system] i=(\)
   Fail: (196) [system] i=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1915256)
   Call: (197) [system] peek_char((0x55772f068e50), _1916190)
   Exit: (197) [system] peek_char((0x55772f068e50), c)
^  Call: (197) [user] is_delimiter(c)
   Call: (198) [system] char_type(c, space)
   Fail: (198) [system] char_type(c, space)
   Call: (198) [system] arg(_1920910, v('(', ')', end_of_file), c)
   Fail: (198) [system] arg(_1921842, v('(', ')', end_of_file), c)
^  Fail: (197) [user] is_delimiter(c)
   Call: (197) [system] ')'==c
   Fail: (197) [system] ')'==c
   Call: (197) [system] get_char((0x55772f068e50), c)
   Exit: (197) [system] get_char((0x55772f068e50), c)
   Call: (197) [system] c=(\)
   Fail: (197) [system] c=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1929192)
   Call: (198) [system] peek_char((0x55772f068e50), _1930126)
   Exit: (198) [system] peek_char((0x55772f068e50), a)
^  Call: (198) [user] is_delimiter(a)
   Call: (199) [system] char_type(a, space)
   Fail: (199) [system] char_type(a, space)
   Call: (199) [system] arg(_1934846, v('(', ')', end_of_file), a)
   Fail: (199) [system] arg(_1935778, v('(', ')', end_of_file), a)
^  Fail: (198) [user] is_delimiter(a)
   Call: (198) [system] ')'==a
   Fail: (198) [system] ')'==a
   Call: (198) [system] get_char((0x55772f068e50), a)
   Exit: (198) [system] get_char((0x55772f068e50), a)
   Call: (198) [system] a=(\)
   Fail: (198) [system] a=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1943128)
   Call: (199) [system] peek_char((0x55772f068e50), _1944062)
   Exit: (199) [system] peek_char((0x55772f068e50), t)
^  Call: (199) [user] is_delimiter(t)
   Call: (200) [system] char_type(t, space)
   Fail: (200) [system] char_type(t, space)
   Call: (200) [system] arg(_1948782, v('(', ')', end_of_file), t)
   Fail: (200) [system] arg(_1949714, v('(', ')', end_of_file), t)
^  Fail: (199) [user] is_delimiter(t)
   Call: (199) [system] ')'==t
   Fail: (199) [system] ')'==t
   Call: (199) [system] get_char((0x55772f068e50), t)
   Exit: (199) [system] get_char((0x55772f068e50), t)
   Call: (199) [system] t=(\)
   Fail: (199) [system] t=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1957064)
   Call: (200) [system] peek_char((0x55772f068e50), _1957998)
   Exit: (200) [system] peek_char((0x55772f068e50), i)
^  Call: (200) [user] is_delimiter(i)
   Call: (201) [system] char_type(i, space)
   Fail: (201) [system] char_type(i, space)
   Call: (201) [system] arg(_1962718, v('(', ')', end_of_file), i)
   Fail: (201) [system] arg(_1963650, v('(', ')', end_of_file), i)
^  Fail: (200) [user] is_delimiter(i)
   Call: (200) [system] ')'==i
   Fail: (200) [system] ')'==i
   Call: (200) [system] get_char((0x55772f068e50), i)
   Exit: (200) [system] get_char((0x55772f068e50), i)
   Call: (200) [system] i=(\)
   Fail: (200) [system] i=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1971000)
   Call: (201) [system] peek_char((0x55772f068e50), _1971934)
   Exit: (201) [system] peek_char((0x55772f068e50), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_1976654, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_1977586, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x55772f068e50), o)
   Exit: (201) [system] get_char((0x55772f068e50), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1984936)
   Call: (202) [system] peek_char((0x55772f068e50), _1985870)
   Exit: (202) [system] peek_char((0x55772f068e50), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Fail: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_1990590, v('(', ')', end_of_file), n)
   Fail: (203) [system] arg(_1991522, v('(', ')', end_of_file), n)
^  Fail: (202) [user] is_delimiter(n)
   Call: (202) [system] ')'==n
   Fail: (202) [system] ')'==n
   Call: (202) [system] get_char((0x55772f068e50), n)
   Exit: (202) [system] get_char((0x55772f068e50), n)
   Call: (202) [system] n=(\)
   Fail: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1998872)
   Call: (203) [system] peek_char((0x55772f068e50), _1999806)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1998872=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (202) [system] _1984936=[n]
   Exit: (202) [system] [n]=[n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (201) [system] _1971000=[o, n]
   Exit: (201) [system] [o, n]=[o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (200) [system] _1957064=[i, o, n]
   Exit: (200) [system] [i, o, n]=[i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (199) [system] _1943128=[t, i, o, n]
   Exit: (199) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (198) [system] _1929192=[a, t, i, o, n]
   Exit: (198) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (197) [system] _1915256=[c, a, t, i, o, n]
   Exit: (197) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (196) [system] _1901320=[i, c, a, t, i, o, n]
   Exit: (196) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (195) [system] _1887384=[l, i, c, a, t, i, o, n]
   Exit: (195) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (194) [system] _1873448=[p, l, i, c, a, t, i, o, n]
   Exit: (194) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (193) [system] _1859512=[m, p, l, i, c, a, t, i, o, n]
   Exit: (193) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (192) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1824002)
^  Call: (193) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _2037030)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_2037982, _2037984), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _2037030), _2037964, fail)), '$restore_trace'(_2037982, _2037984))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_2037982, _2037984))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _2037030), _2037964, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(_2037030)
   Fail: (194) [system] atomic(_2037030)
   Call: (194) [system] atom_chars(_2037030, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (194) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (193) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (193) [system] integer('Implication')
   Fail: (193) [system] integer('Implication')
   Call: (193) [system] _1824002='Implication'
   Exit: (193) [system] 'Implication'='Implication'
^  Exit: (192) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (191) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (190) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (190) [user] read_list(')', (0x55772f068e50), _2051980)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _2053838)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x55772f068e50), _2063432)
   Exit: (192) [system] get_char((0x55772f068e50), ' ')
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _2066136)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _2083070)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x55772f068e50), _2088640)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _2090498)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] get_char((0x55772f068e50), _12900)
   Exit: (192) [system] get_char((0x55772f068e50), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x55772f068e50), _3408)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _18470)
   Exit: (194) [system] peek_char((0x55772f068e50), 'O')
   Call: (194) [system] 'O'=(;)
   Fail: (194) [system] 'O'=(;)
   Call: (194) [system] 'O'=(/)
   Fail: (194) [system] 'O'=(/)
^  Call: (194) [user] is_like_space('O')
   Call: (195) [system] char_type('O', 'white')
   Fail: (195) [system] char_type('O', 'white')
   Call: (195) [system] char_type('O', end_of_line)
   Fail: (195) [system] char_type('O', end_of_line)
   Call: (195) [system] char_type('O', space)
   Fail: (195) [system] char_type('O', space)
   Call: (195) [system] char_type('O', cntrl)
   Fail: (195) [system] char_type('O', cntrl)
^  Fail: (194) [user] is_like_space('O')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _34480)
   Exit: (193) [system] peek_char((0x55772f068e50), 'O')
   Call: (193) [system] 'O'=')'
   Fail: (193) [system] 'O'=')'
   Call: (193) [system] 'O'=end_of_file
   Fail: (193) [system] 'O'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _40050)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _41908)
   Exit: (195) [system] peek_char((0x55772f068e50), 'O')
   Call: (195) [system] 'O'=(;)
   Fail: (195) [system] 'O'=(;)
   Call: (195) [system] 'O'=(/)
   Fail: (195) [system] 'O'=(/)
^  Call: (195) [user] is_like_space('O')
   Call: (196) [system] char_type('O', 'white')
   Fail: (196) [system] char_type('O', 'white')
   Call: (196) [system] char_type('O', end_of_line)
   Fail: (196) [system] char_type('O', end_of_line)
   Call: (196) [system] char_type('O', space)
   Fail: (196) [system] char_type('O', space)
   Call: (196) [system] char_type('O', cntrl)
   Fail: (196) [system] char_type('O', cntrl)
^  Fail: (195) [user] is_like_space('O')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _57918)
   Exit: (194) [system] get_char((0x55772f068e50), 'O')
   Call: (194) [system] 'O'='('
   Fail: (194) [system] 'O'='('
   Call: (194) [system] 'O'='['
   Fail: (194) [system] 'O'='['
   Call: (194) [system] 'O'='{'
   Fail: (194) [system] 'O'='{'
   Call: (194) [system] 'O'='"'
   Fail: (194) [system] 'O'='"'
   Call: (194) [system] 'O'=!
   Fail: (194) [system] 'O'=!
   Call: (194) [system] 'O'='\''
   Fail: (194) [system] 'O'='\''
   Call: (194) [system] 'O'='`'
   Fail: (194) [system] 'O'='`'
   Call: (194) [system] 'O'=end_of_file
   Fail: (194) [system] 'O'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x55772f068e50), 'O', _40050)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _75560)
   Call: (196) [system] peek_char((0x55772f068e50), _76494)
   Exit: (196) [system] peek_char((0x55772f068e50), r)
^  Call: (196) [user] is_delimiter(r)
   Call: (197) [system] char_type(r, space)
   Fail: (197) [system] char_type(r, space)
   Call: (197) [system] arg(_81214, v('(', ')', end_of_file), r)
   Fail: (197) [system] arg(_82146, v('(', ')', end_of_file), r)
^  Fail: (196) [user] is_delimiter(r)
   Call: (196) [system] ')'==r
   Fail: (196) [system] ')'==r
   Call: (196) [system] get_char((0x55772f068e50), r)
   Exit: (196) [system] get_char((0x55772f068e50), r)
   Call: (196) [system] r=(\)
   Fail: (196) [system] r=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _89496)
   Call: (197) [system] peek_char((0x55772f068e50), _90430)
   Exit: (197) [system] peek_char((0x55772f068e50), 'L')
^  Call: (197) [user] is_delimiter('L')
   Call: (198) [system] char_type('L', space)
   Fail: (198) [system] char_type('L', space)
   Call: (198) [system] arg(_95150, v('(', ')', end_of_file), 'L')
   Fail: (198) [system] arg(_96082, v('(', ')', end_of_file), 'L')
^  Fail: (197) [user] is_delimiter('L')
   Call: (197) [system] ')'=='L'
   Fail: (197) [system] ')'=='L'
   Call: (197) [system] get_char((0x55772f068e50), 'L')
   Exit: (197) [system] get_char((0x55772f068e50), 'L')
   Call: (197) [system] 'L'=(\)
   Fail: (197) [system] 'L'=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _103432)
   Call: (198) [system] peek_char((0x55772f068e50), _104366)
   Exit: (198) [system] peek_char((0x55772f068e50), i)
^  Call: (198) [user] is_delimiter(i)
   Call: (199) [system] char_type(i, space)
   Fail: (199) [system] char_type(i, space)
   Call: (199) [system] arg(_109086, v('(', ')', end_of_file), i)
   Fail: (199) [system] arg(_110018, v('(', ')', end_of_file), i)
^  Fail: (198) [user] is_delimiter(i)
   Call: (198) [system] ')'==i
   Fail: (198) [system] ')'==i
   Call: (198) [system] get_char((0x55772f068e50), i)
   Exit: (198) [system] get_char((0x55772f068e50), i)
   Call: (198) [system] i=(\)
   Fail: (198) [system] i=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _117368)
   Call: (199) [system] peek_char((0x55772f068e50), _118302)
   Exit: (199) [system] peek_char((0x55772f068e50), n)
^  Call: (199) [user] is_delimiter(n)
   Call: (200) [system] char_type(n, space)
   Fail: (200) [system] char_type(n, space)
   Call: (200) [system] arg(_123022, v('(', ')', end_of_file), n)
   Fail: (200) [system] arg(_123954, v('(', ')', end_of_file), n)
^  Fail: (199) [user] is_delimiter(n)
   Call: (199) [system] ')'==n
   Fail: (199) [system] ')'==n
   Call: (199) [system] get_char((0x55772f068e50), n)
   Exit: (199) [system] get_char((0x55772f068e50), n)
   Call: (199) [system] n=(\)
   Fail: (199) [system] n=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _131304)
   Call: (200) [system] peek_char((0x55772f068e50), _132238)
   Exit: (200) [system] peek_char((0x55772f068e50), k)
^  Call: (200) [user] is_delimiter(k)
   Call: (201) [system] char_type(k, space)
   Fail: (201) [system] char_type(k, space)
   Call: (201) [system] arg(_136958, v('(', ')', end_of_file), k)
   Fail: (201) [system] arg(_137890, v('(', ')', end_of_file), k)
^  Fail: (200) [user] is_delimiter(k)
   Call: (200) [system] ')'==k
   Fail: (200) [system] ')'==k
   Call: (200) [system] get_char((0x55772f068e50), k)
   Exit: (200) [system] get_char((0x55772f068e50), k)
   Call: (200) [system] k=(\)
   Fail: (200) [system] k=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _145240)
   Call: (201) [system] peek_char((0x55772f068e50), _146174)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _145240=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (200) [system] _131304=[k]
   Exit: (200) [system] [k]=[k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (199) [system] _117368=[n, k]
   Exit: (199) [system] [n, k]=[n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (198) [system] _103432=[i, n, k]
   Exit: (198) [system] [i, n, k]=[i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (197) [system] _89496=['L', i, n, k]
   Exit: (197) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (196) [system] _75560=[r, 'L', i, n, k]
   Exit: (196) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _40050)
^  Call: (196) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _169428)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_170380, _170382), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _169428), _170362, fail)), '$restore_trace'(_170380, _170382))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_170380, _170382))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _169428), _170362, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_169428)
   Fail: (197) [system] atomic(_169428)
   Call: (197) [system] atom_chars(_169428, ['O', r, 'L', i, n, k])
   Exit: (197) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (196) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (196) [system] integer('OrLink')
   Fail: (196) [system] integer('OrLink')
   Call: (196) [system] _40050='OrLink'
   Exit: (196) [system] 'OrLink'='OrLink'
^  Exit: (195) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (194) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (193) [user] read_list(')', (0x55772f068e50), _184378)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _186236)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _195830)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _198534)
   Exit: (196) [system] peek_char((0x55772f068e50), 'C')
   Call: (196) [system] 'C'=(;)
   Fail: (196) [system] 'C'=(;)
   Call: (196) [system] 'C'=(/)
   Fail: (196) [system] 'C'=(/)
^  Call: (196) [user] is_like_space('C')
   Call: (197) [system] char_type('C', 'white')
   Fail: (197) [system] char_type('C', 'white')
   Call: (197) [system] char_type('C', end_of_line)
   Fail: (197) [system] char_type('C', end_of_line)
   Call: (197) [system] char_type('C', space)
   Fail: (197) [system] char_type('C', space)
   Call: (197) [system] char_type('C', cntrl)
   Fail: (197) [system] char_type('C', cntrl)
^  Fail: (196) [user] is_like_space('C')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _215468)
   Exit: (194) [system] peek_char((0x55772f068e50), 'C')
   Call: (194) [system] 'C'=')'
   Fail: (194) [system] 'C'=')'
   Call: (194) [system] 'C'=end_of_file
   Fail: (194) [system] 'C'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _221038)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _222896)
   Exit: (196) [system] peek_char((0x55772f068e50), 'C')
   Call: (196) [system] 'C'=(;)
   Fail: (196) [system] 'C'=(;)
   Call: (196) [system] 'C'=(/)
   Fail: (196) [system] 'C'=(/)
^  Call: (196) [user] is_like_space('C')
   Call: (197) [system] char_type('C', 'white')
   Fail: (197) [system] char_type('C', 'white')
   Call: (197) [system] char_type('C', end_of_line)
   Fail: (197) [system] char_type('C', end_of_line)
   Call: (197) [system] char_type('C', space)
   Fail: (197) [system] char_type('C', space)
   Call: (197) [system] char_type('C', cntrl)
   Fail: (197) [system] char_type('C', cntrl)
^  Fail: (196) [user] is_like_space('C')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _238906)
   Exit: (195) [system] get_char((0x55772f068e50), 'C')
   Call: (195) [system] 'C'='('
   Fail: (195) [system] 'C'='('
   Call: (195) [system] 'C'='['
   Fail: (195) [system] 'C'='['
   Call: (195) [system] 'C'='{'
   Fail: (195) [system] 'C'='{'
   Call: (195) [system] 'C'='"'
   Fail: (195) [system] 'C'='"'
   Call: (195) [system] 'C'=!
   Fail: (195) [system] 'C'=!
   Call: (195) [system] 'C'='\''
   Fail: (195) [system] 'C'='\''
   Call: (195) [system] 'C'='`'
   Fail: (195) [system] 'C'='`'
   Call: (195) [system] 'C'=end_of_file
   Fail: (195) [system] 'C'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x55772f068e50), 'C', _221038)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _256548)
   Call: (197) [system] peek_char((0x55772f068e50), _257482)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _256548=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (196) [user] classify_and_convert_charseq(['C'], _221038)
^  Call: (197) [user] classify_and_convert_charseq_(['C'], _266766)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_267718, _267720), once(user:catch(read_from_chars(['C'], _266766), _267700, fail)), '$restore_trace'(_267718, _267720))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_267718, _267720))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _266766), _267700, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_266766)
   Fail: (198) [system] atomic(_266766)
   Call: (198) [system] atom_chars(_266766, ['C'])
   Exit: (198) [system] atom_chars('C', ['C'])
^  Exit: (197) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (197) [system] integer('C')
   Fail: (197) [system] integer('C')
   Call: (197) [system] _221038='C'
   Exit: (197) [system] 'C'='C'
^  Exit: (196) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (195) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (194) [user] read_list(')', (0x55772f068e50), _281716)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _283574)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _293168)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _295872)
   Exit: (197) [system] peek_char((0x55772f068e50), 'D')
   Call: (197) [system] 'D'=(;)
   Fail: (197) [system] 'D'=(;)
   Call: (197) [system] 'D'=(/)
   Fail: (197) [system] 'D'=(/)
^  Call: (197) [user] is_like_space('D')
   Call: (198) [system] char_type('D', 'white')
   Fail: (198) [system] char_type('D', 'white')
   Call: (198) [system] char_type('D', end_of_line)
   Fail: (198) [system] char_type('D', end_of_line)
   Call: (198) [system] char_type('D', space)
   Fail: (198) [system] char_type('D', space)
   Call: (198) [system] char_type('D', cntrl)
   Fail: (198) [system] char_type('D', cntrl)
^  Fail: (197) [user] is_like_space('D')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _312806)
   Exit: (195) [system] peek_char((0x55772f068e50), 'D')
   Call: (195) [system] 'D'=')'
   Fail: (195) [system] 'D'=')'
   Call: (195) [system] 'D'=end_of_file
   Fail: (195) [system] 'D'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _318376)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _320234)
   Exit: (197) [system] peek_char((0x55772f068e50), 'D')
   Call: (197) [system] 'D'=(;)
   Fail: (197) [system] 'D'=(;)
   Call: (197) [system] 'D'=(/)
   Fail: (197) [system] 'D'=(/)
^  Call: (197) [user] is_like_space('D')
   Call: (198) [system] char_type('D', 'white')
   Fail: (198) [system] char_type('D', 'white')
   Call: (198) [system] char_type('D', end_of_line)
   Fail: (198) [system] char_type('D', end_of_line)
   Call: (198) [system] char_type('D', space)
   Fail: (198) [system] char_type('D', space)
   Call: (198) [system] char_type('D', cntrl)
   Fail: (198) [system] char_type('D', cntrl)
^  Fail: (197) [user] is_like_space('D')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _336244)
   Exit: (196) [system] get_char((0x55772f068e50), 'D')
   Call: (196) [system] 'D'='('
   Fail: (196) [system] 'D'='('
   Call: (196) [system] 'D'='['
   Fail: (196) [system] 'D'='['
   Call: (196) [system] 'D'='{'
   Fail: (196) [system] 'D'='{'
   Call: (196) [system] 'D'='"'
   Fail: (196) [system] 'D'='"'
   Call: (196) [system] 'D'=!
   Fail: (196) [system] 'D'=!
   Call: (196) [system] 'D'='\''
   Fail: (196) [system] 'D'='\''
   Call: (196) [system] 'D'='`'
   Fail: (196) [system] 'D'='`'
   Call: (196) [system] 'D'=end_of_file
   Fail: (196) [system] 'D'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x55772f068e50), 'D', _318376)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _353886)
   Call: (198) [system] peek_char((0x55772f068e50), _354820)
   Exit: (198) [system] peek_char((0x55772f068e50), ')')
^  Call: (198) [user] is_delimiter(')')
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] arg(_359540, v('(', ')', end_of_file), ')')
   Exit: (199) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (198) [user] is_delimiter(')')
   Call: (198) [system] _353886=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (197) [user] classify_and_convert_charseq(['D'], _318376)
^  Call: (198) [user] classify_and_convert_charseq_(['D'], _365976)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_366928, _366930), once(user:catch(read_from_chars(['D'], _365976), _366910, fail)), '$restore_trace'(_366928, _366930))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_366928, _366930))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _365976), _366910, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(_365976)
   Fail: (199) [system] atomic(_365976)
   Call: (199) [system] atom_chars(_365976, ['D'])
   Exit: (199) [system] atom_chars('D', ['D'])
^  Exit: (198) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (198) [system] integer('D')
   Fail: (198) [system] integer('D')
   Call: (198) [system] _318376='D'
   Exit: (198) [system] 'D'='D'
^  Exit: (197) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (196) [user] read_symbolic(')', (0x55772f068e50), 'D', 'D')
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), 'D')
^  Call: (195) [user] read_list(')', (0x55772f068e50), _380926)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _382784)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _398794)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x55772f068e50), _402584)
   Exit: (196) [system] get_char((0x55772f068e50), ')')
   Call: (196) [system] _380926=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [])
   Call: (195) [system] _281716=['D']
   Exit: (195) [system] ['D']=['D']
^  Exit: (194) [user] read_list(')', (0x55772f068e50), ['D'])
   Call: (194) [system] _184378=['C', 'D']
   Exit: (194) [system] ['C', 'D']=['C', 'D']
^  Exit: (193) [user] read_list(')', (0x55772f068e50), ['C', 'D'])
   Call: (193) [system] _3408=['OrLink', 'C', 'D']
   Exit: (193) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (192) [user] read_list(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Exit: (191) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Call: (191) [user] read_list(')', (0x55772f068e50), _416466)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _418324)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _427918)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _430622)
   Exit: (194) [system] peek_char((0x55772f068e50), 'E')
   Call: (194) [system] 'E'=(;)
   Fail: (194) [system] 'E'=(;)
   Call: (194) [system] 'E'=(/)
   Fail: (194) [system] 'E'=(/)
^  Call: (194) [user] is_like_space('E')
   Call: (195) [system] char_type('E', 'white')
   Fail: (195) [system] char_type('E', 'white')
   Call: (195) [system] char_type('E', end_of_line)
   Fail: (195) [system] char_type('E', end_of_line)
   Call: (195) [system] char_type('E', space)
   Fail: (195) [system] char_type('E', space)
   Call: (195) [system] char_type('E', cntrl)
   Fail: (195) [system] char_type('E', cntrl)
^  Fail: (194) [user] is_like_space('E')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _447556)
   Exit: (192) [system] peek_char((0x55772f068e50), 'E')
   Call: (192) [system] 'E'=')'
   Fail: (192) [system] 'E'=')'
   Call: (192) [system] 'E'=end_of_file
   Fail: (192) [system] 'E'=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _453126)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _454984)
   Exit: (194) [system] peek_char((0x55772f068e50), 'E')
   Call: (194) [system] 'E'=(;)
   Fail: (194) [system] 'E'=(;)
   Call: (194) [system] 'E'=(/)
   Fail: (194) [system] 'E'=(/)
^  Call: (194) [user] is_like_space('E')
   Call: (195) [system] char_type('E', 'white')
   Fail: (195) [system] char_type('E', 'white')
   Call: (195) [system] char_type('E', end_of_line)
   Fail: (195) [system] char_type('E', end_of_line)
   Call: (195) [system] char_type('E', space)
   Fail: (195) [system] char_type('E', space)
   Call: (195) [system] char_type('E', cntrl)
   Fail: (195) [system] char_type('E', cntrl)
^  Fail: (194) [user] is_like_space('E')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _470994)
   Exit: (193) [system] get_char((0x55772f068e50), 'E')
   Call: (193) [system] 'E'='('
   Fail: (193) [system] 'E'='('
   Call: (193) [system] 'E'='['
   Fail: (193) [system] 'E'='['
   Call: (193) [system] 'E'='{'
   Fail: (193) [system] 'E'='{'
   Call: (193) [system] 'E'='"'
   Fail: (193) [system] 'E'='"'
   Call: (193) [system] 'E'=!
   Fail: (193) [system] 'E'=!
   Call: (193) [system] 'E'='\''
   Fail: (193) [system] 'E'='\''
   Call: (193) [system] 'E'='`'
   Fail: (193) [system] 'E'='`'
   Call: (193) [system] 'E'=end_of_file
   Fail: (193) [system] 'E'=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x55772f068e50), 'E', _453126)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _488636)
   Call: (195) [system] peek_char((0x55772f068e50), _489570)
   Exit: (195) [system] peek_char((0x55772f068e50), ')')
^  Call: (195) [user] is_delimiter(')')
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] arg(_494290, v('(', ')', end_of_file), ')')
   Exit: (196) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (195) [user] is_delimiter(')')
   Call: (195) [system] _488636=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (194) [user] classify_and_convert_charseq(['E'], _453126)
^  Call: (195) [user] classify_and_convert_charseq_(['E'], _500726)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_501678, _501680), once(user:catch(read_from_chars(['E'], _500726), _501660, fail)), '$restore_trace'(_501678, _501680))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_501678, _501680))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _500726), _501660, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(_500726)
   Fail: (196) [system] atomic(_500726)
   Call: (196) [system] atom_chars(_500726, ['E'])
   Exit: (196) [system] atom_chars('E', ['E'])
^  Exit: (195) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (195) [system] integer('E')
   Fail: (195) [system] integer('E')
   Call: (195) [system] _453126='E'
   Exit: (195) [system] 'E'='E'
^  Exit: (194) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (193) [user] read_symbolic(')', (0x55772f068e50), 'E', 'E')
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), 'E')
^  Call: (192) [user] read_list(')', (0x55772f068e50), _515676)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _517534)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _533544)
   Exit: (193) [system] peek_char((0x55772f068e50), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x55772f068e50), _537334)
   Exit: (193) [system] get_char((0x55772f068e50), ')')
   Call: (193) [system] _515676=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [])
   Call: (192) [system] _416466=['E']
   Exit: (192) [system] ['E']=['E']
^  Exit: (191) [user] read_list(')', (0x55772f068e50), ['E'])
   Call: (191) [system] _3404=[['OrLink', 'C', 'D'], 'E']
   Exit: (191) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (190) [user] read_list(')', (0x55772f068e50), [['OrLink', 'C', 'D'], 'E'])
   Call: (190) [system] _3396=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (190) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (189) [user] read_list(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (188) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (188) [user] read_list(')', (0x55772f068e50), _551216)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _553074)
   Exit: (190) [system] peek_char((0x55772f068e50), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _569084)
   Exit: (189) [system] peek_char((0x55772f068e50), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x55772f068e50), _572874)
   Exit: (189) [system] get_char((0x55772f068e50), ')')
   Call: (189) [system] _551216=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [])
   Call: (188) [system] _3392=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (188) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (187) [user] read_list(')', (0x55772f068e50), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (187) [system] _3386=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (187) [system] [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (186) [user] read_list(')', (0x55772f068e50), [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (186) [system] _3378=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (186) [system] [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (184) [user] cont_sexpr(')', (0x55772f068e50), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (184) [user] read_list(')', (0x55772f068e50), _586756)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _588614)
   Exit: (186) [system] peek_char((0x55772f068e50), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _604624)
   Exit: (185) [system] peek_char((0x55772f068e50), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x55772f068e50), _608414)
   Exit: (185) [system] get_char((0x55772f068e50), ')')
   Call: (185) [system] _586756=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [])
   Call: (184) [system] _3374=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (184) [system] [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (183) [user] read_list(')', (0x55772f068e50), [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (183) [system] _3362=[[kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (183) [system] [[kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (182) [user] read_list(')', (0x55772f068e50), [[kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (182) [system] _3322=[=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (182) [system] [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (181) [user] read_list(')', (0x55772f068e50), [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (180) [user] cont_sexpr(')', (0x55772f068e50), [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (179) [user] read_sexpr((0x55772f068e50), [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (179) [user] assertz(metta_file_comment(99, 0, 4154, [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]], '$stream_position'(4154, 99, 0, 4154)))
^  Exit: (179) [user] assertz(metta_file_comment(99, 0, 4154, [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]], '$stream_position'(4154, 99, 0, 4154)))
^  Exit: (177) [system] once(user:(read_position((0x55772f068e50), 99, 0, 4154, '$stream_position'(4154, 99, 0, 4154)), read_sexpr((0x55772f068e50), [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]), assertz(metta_file_comment(99, 0, 4154, [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]], '$stream_position'(4154, 99, 0, 4154)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_626932, _626934, _626936, _626938, _626940))
^  Exit: (177) [user] retract(metta_file_comment(48, 0, 1563, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), '$stream_position'(1563, 48, 0, 1563)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), _629780))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), _629780)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), _629780)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), _632596))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), _632596))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), _632596)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), _635396))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), _635396)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), _635396)
   Call: (187) [system] var('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0))
   Call: (187) [system] atom('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0))
   Call: (187) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0)==true
   Call: (187) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0)==false
   Call: (187) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0)==[_641916, _641922]
   Call: (187) [system] is_list('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0))
   Call: (187) [system] string('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0))
   Call: (187) [system] compound('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0))
   Exit: (187) [system] compound('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), _646550, _646552)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), '$COMMENT', [";; TODO: recurse over curried rules instead of duplicating code over", 48, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";; TODO: recurse over curried rules instead of duplicating code over", 48, 0], _650292)
   Call: (188) [apply] apply:maplist_([";; TODO: recurse over curried rules instead of duplicating code over", 48, 0], _650292, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";; TODO: recurse over curried rules instead of duplicating code over", _652172)
   Call: (190) [system] var(";; TODO: recurse over curried rules instead of duplicating code over")
   Call: (190) [system] atom(";; TODO: recurse over curried rules instead of duplicating code over")
   Call: (190) [system] ";; TODO: recurse over curried rules instead of duplicating code over"==true
   Call: (190) [system] ";; TODO: recurse over curried rules instead of duplicating code over"==false
   Call: (190) [system] ";; TODO: recurse over curried rules instead of duplicating code over"==[_656814, _656820]
   Call: (190) [system] is_list(";; TODO: recurse over curried rules instead of duplicating code over")
   Call: (190) [system] string(";; TODO: recurse over curried rules instead of duplicating code over")
   Exit: (190) [system] string(";; TODO: recurse over curried rules instead of duplicating code over")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";; TODO: recurse over curried rules instead of duplicating code over")
^  Call: (190) [user] symbol(";; TODO: recurse over curried rules instead of duplicating code over")
   Call: (191) [system] atom(";; TODO: recurse over curried rules instead of duplicating code over")
   Fail: (191) [system] atom(";; TODO: recurse over curried rules instead of duplicating code over")
^  Fail: (190) [user] symbol(";; TODO: recurse over curried rules instead of duplicating code over")
   Call: (190) [system] ";; TODO: recurse over curried rules instead of duplicating code over"=_652172
   Exit: (190) [system] ";; TODO: recurse over curried rules instead of duplicating code over"=";; TODO: recurse over curried rules instead of duplicating code over"
^  Exit: (189) [user] mfix_vars1(";; TODO: recurse over curried rules instead of duplicating code over", ";; TODO: recurse over curried rules instead of duplicating code over")
   Call: (189) [apply] apply:maplist_([48, 0], _652174, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(48, _670694)
   Call: (191) [system] var(48)
   Call: (191) [system] atom(48)
   Call: (191) [system] 48==true
   Call: (191) [system] 48==false
   Call: (191) [system] 48==[_675336, _675342]
   Call: (191) [system] is_list(48)
   Call: (191) [system] string(48)
   Call: (191) [system] compound(48)
^  Call: (191) [user] symbol(48)
   Call: (192) [system] atom(48)
   Fail: (192) [system] atom(48)
^  Fail: (191) [user] symbol(48)
   Call: (191) [system] 48=_670694
   Exit: (191) [system] 48=48
^  Exit: (190) [user] mfix_vars1(48, 48)
   Call: (190) [apply] apply:maplist_([0], _670696, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _686460)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_691102, _691108]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_686460
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _686462, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([48, 0], [48, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";; TODO: recurse over curried rules instead of duplicating code over", 48, 0], [";; TODO: recurse over curried rules instead of duplicating code over", 48, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";; TODO: recurse over curried rules instead of duplicating code over", 48, 0], [";; TODO: recurse over curried rules instead of duplicating code over", 48, 0])
   Call: (187) [system] compound_name_arguments(_635396, '$COMMENT', [";; TODO: recurse over curried rules instead of duplicating code over", 48, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), '$COMMENT', [";; TODO: recurse over curried rules instead of duplicating code over", 48, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0)))
   Call: (184) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0)\=@='$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), _715278))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), _715278))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), _715278)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), _718078))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), _718078)
^  Call: (186) [user] cons_to_c('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), _718078)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0)))
   Call: (184) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0)\=@='$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), _629780))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), _629780))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), _629780)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), _732036))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), _732036)
^  Call: (186) [user] cons_to_l('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), _732036)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0)))
   Call: (184) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0)\=@='$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0)))
   Call: (178) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0)\=@='$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0))
^  Exit: (171) [user] read_sform((0x55772f068e50), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0))
^  Exit: (170) [system] once(user:read_sform((0x55772f068e50), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x55772f068e50), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0)))
   Call: (169) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0)), 98]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), me_synthesize_1727481849_9551582, 98)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0)), 98]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727481858.646455)
   Call: (173) [system] arg(1, t(1727481858.222791), _3148)
   Exit: (173) [system] arg(1, t(1727481858.222791), 1727481858.222791)
   Call: (173) [system] _3158 is 1727481858.646455-1727481858.222791
   Exit: (173) [system] 0.4236640930175781 is 1727481858.646455-1727481858.222791
   Call: (173) [system] 0.4236640930175781>4
   Fail: (173) [system] 0.4236640930175781>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0)), 98]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 14)
   Call: (175) [system] atom(14+1)
   Call: (175) [system] set_flag(translated_forms, 15)
   Exit: (175) [system] set_flag(translated_forms, 15)
   Exit: (174) [$syspreds] update_flag(translated_forms, 14, 14+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 14, 14+1))
   Exit: (171) [$syspreds] flag(translated_forms, 14, 14+1)
^  Call: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), me_synthesize_1727481849_9551582, 98)
^  Call: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";; TODO: recurse over curried rules instead of duplicating code over"])
^  Exit: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";; TODO: recurse over curried rules instead of duplicating code over"])
^  Exit: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), me_synthesize_1727481849_9551582, 98)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0)), 98]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 14, 14+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 48, 0), me_synthesize_1727481849_9551582, 98)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x55772f068e50))
   Fail: (169) [system] at_end_of_stream((0x55772f068e50))
^  Call: (169) [user] must_det_ll(line_count((0x55772f068e50), _3074))
^  Call: (170) [user] once(user:line_count((0x55772f068e50), _3074))
   Call: (171) [system] line_count((0x55772f068e50), _3074)
   Exit: (171) [system] line_count((0x55772f068e50), 99)
^  Exit: (170) [system] once(user:line_count((0x55772f068e50), 99))
^  Exit: (169) [user] must_det_ll(user:line_count((0x55772f068e50), 99))
^  Call: (169) [user] must_det_ll(read_sform((0x55772f068e50), _3084))
^  Call: (170) [user] once(user:read_sform((0x55772f068e50), _3084))
^  Call: (171) [user] read_sform((0x55772f068e50), _3084)
   Call: (172) [system] string((0x55772f068e50))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (173) [system] string((0x55772f068e50))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (174) [system] at_end_of_stream((0x55772f068e50))
   Call: (174) [system] peek_char((0x55772f068e50), _806820)
   Exit: (174) [system] peek_char((0x55772f068e50), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x55772f068e50), '\n')
   Exit: (174) [system] get_char((0x55772f068e50), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), _3084)
   Call: (175) [system] at_end_of_stream((0x55772f068e50))
   Call: (175) [system] peek_char((0x55772f068e50), _814242)
   Exit: (175) [system] peek_char((0x55772f068e50), '\n')
   Call: (175) [system] char_type('\n', space)
   Exit: (175) [system] char_type('\n', space)
   Call: (175) [system] get_char((0x55772f068e50), '\n')
   Exit: (175) [system] get_char((0x55772f068e50), '\n')
^  Call: (175) [user] parse_sexpr_metta_IO((0x55772f068e50), _3084)
   Call: (176) [system] at_end_of_stream((0x55772f068e50))
   Call: (176) [system] peek_char((0x55772f068e50), _821664)
   Exit: (176) [system] peek_char((0x55772f068e50), !)
   Call: (176) [system] char_type(!, space)
^  Call: (176) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (177) [system] string((0x55772f068e50))
^  Exit: (176) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (176) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (177) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (178) [system] at_end_of_stream((0x55772f068e50))
   Call: (178) [system] peek_char((0x55772f068e50), _830002)
   Exit: (178) [system] peek_char((0x55772f068e50), !)
   Call: (178) [system] char_type(!, space)
   Call: (178) [system] _832788=(0x55772f068e50)
   Exit: (178) [system] (0x55772f068e50)=(0x55772f068e50)
^  Call: (178) [user] once((read_position((0x55772f068e50), _834656, _834658, _834660, _834662), read_sexpr((0x55772f068e50), _834674), assertz(metta_file_comment(_834656, _834658, _834660, _834674, _834662))))
^  Call: (180) [user] read_position((0x55772f068e50), _834656, _834658, _834660, _834662)
   Call: (181) [system] stream_property((0x55772f068e50), position(_834662))
   Call: (182) [system] nonvar((0x55772f068e50))
   Exit: (182) [system] nonvar((0x55772f068e50))
   Call: (182) [system] nonvar(position(_834662))
   Exit: (182) [system] nonvar(position(_834662))
   Exit: (181) [system] stream_property((0x55772f068e50), position('$stream_position'(4201, 101, 0, 4201)))
   Call: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(4201, 101, 0, 4201), _834656)
   Call: (182) [system] nonvar(line_count)
   Exit: (182) [system] nonvar(line_count)
   Call: (182) [$syspreds] stream_position_field(line_count, _844914)
   Exit: (182) [$syspreds] stream_position_field(line_count, 2)
   Call: (182) [system] arg(2, '$stream_position'(4201, 101, 0, 4201), _834656)
   Exit: (182) [system] arg(2, '$stream_position'(4201, 101, 0, 4201), 101)
   Exit: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(4201, 101, 0, 4201), 101)
   Call: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(4201, 101, 0, 4201), _834658)
   Call: (182) [system] nonvar(line_position)
   Exit: (182) [system] nonvar(line_position)
   Call: (182) [$syspreds] stream_position_field(line_position, _852348)
   Exit: (182) [$syspreds] stream_position_field(line_position, 3)
   Call: (182) [system] arg(3, '$stream_position'(4201, 101, 0, 4201), _834658)
   Exit: (182) [system] arg(3, '$stream_position'(4201, 101, 0, 4201), 0)
   Exit: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(4201, 101, 0, 4201), 0)
   Call: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(4201, 101, 0, 4201), _834660)
   Call: (182) [system] nonvar(char_count)
   Exit: (182) [system] nonvar(char_count)
   Call: (182) [$syspreds] stream_position_field(char_count, _859782)
   Exit: (182) [$syspreds] stream_position_field(char_count, 1)
   Call: (182) [system] arg(1, '$stream_position'(4201, 101, 0, 4201), _834660)
   Exit: (182) [system] arg(1, '$stream_position'(4201, 101, 0, 4201), 4201)
   Exit: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(4201, 101, 0, 4201), 4201)
^  Exit: (180) [user] read_position((0x55772f068e50), 101, 0, 4201, '$stream_position'(4201, 101, 0, 4201))
^  Call: (180) [user] read_sexpr((0x55772f068e50), _834674)
   Call: (181) [system] string((0x55772f068e50))
   Fail: (181) [system] string((0x55772f068e50))
^  Call: (181) [user] cont_sexpr(')', (0x55772f068e50), _834674)
^  Call: (182) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _870008)
   Exit: (183) [system] peek_char((0x55772f068e50), !)
   Call: (183) [system] !=(;)
   Fail: (183) [system] !=(;)
   Call: (183) [system] !=(/)
   Fail: (183) [system] !=(/)
^  Call: (183) [user] is_like_space(!)
   Call: (184) [system] char_type(!, 'white')
   Fail: (184) [system] char_type(!, 'white')
   Call: (184) [system] char_type(!, end_of_line)
   Fail: (184) [system] char_type(!, end_of_line)
   Call: (184) [system] char_type(!, space)
   Fail: (184) [system] char_type(!, space)
   Call: (184) [system] char_type(!, cntrl)
   Fail: (184) [system] char_type(!, cntrl)
^  Fail: (183) [user] is_like_space(!)
^  Exit: (182) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] get_char((0x55772f068e50), _886018)
   Exit: (182) [system] get_char((0x55772f068e50), !)
   Call: (182) [system] !='('
   Fail: (182) [system] !='('
   Call: (182) [system] !='['
   Fail: (182) [system] !='['
   Call: (182) [system] !='{'
   Fail: (182) [system] !='{'
   Call: (182) [system] !='"'
   Fail: (182) [system] !='"'
   Call: (182) [system] !=!
   Exit: (182) [system] !=!
^  Call: (182) [user] read_sexpr((0x55772f068e50), _897156)
   Call: (183) [system] string((0x55772f068e50))
   Fail: (183) [system] string((0x55772f068e50))
^  Call: (183) [user] cont_sexpr(')', (0x55772f068e50), _897156)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _901790)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] get_char((0x55772f068e50), _917800)
   Exit: (184) [system] get_char((0x55772f068e50), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x55772f068e50), _897156)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _923370)
   Exit: (186) [system] peek_char((0x55772f068e50), a)
   Call: (186) [system] a=(;)
   Fail: (186) [system] a=(;)
   Call: (186) [system] a=(/)
   Fail: (186) [system] a=(/)
^  Call: (186) [user] is_like_space(a)
   Call: (187) [system] char_type(a, 'white')
   Fail: (187) [system] char_type(a, 'white')
   Call: (187) [system] char_type(a, end_of_line)
   Fail: (187) [system] char_type(a, end_of_line)
   Call: (187) [system] char_type(a, space)
   Fail: (187) [system] char_type(a, space)
   Call: (187) [system] char_type(a, cntrl)
   Fail: (187) [system] char_type(a, cntrl)
^  Fail: (186) [user] is_like_space(a)
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _939380)
   Exit: (185) [system] peek_char((0x55772f068e50), a)
   Call: (185) [system] a=')'
   Fail: (185) [system] a=')'
   Call: (185) [system] a=end_of_file
   Fail: (185) [system] a=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x55772f068e50), _944950)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _946808)
   Exit: (187) [system] peek_char((0x55772f068e50), a)
   Call: (187) [system] a=(;)
   Fail: (187) [system] a=(;)
   Call: (187) [system] a=(/)
   Fail: (187) [system] a=(/)
^  Call: (187) [user] is_like_space(a)
   Call: (188) [system] char_type(a, 'white')
   Fail: (188) [system] char_type(a, 'white')
   Call: (188) [system] char_type(a, end_of_line)
   Fail: (188) [system] char_type(a, end_of_line)
   Call: (188) [system] char_type(a, space)
   Fail: (188) [system] char_type(a, space)
   Call: (188) [system] char_type(a, cntrl)
   Fail: (188) [system] char_type(a, cntrl)
^  Fail: (187) [user] is_like_space(a)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] get_char((0x55772f068e50), _962818)
   Exit: (186) [system] get_char((0x55772f068e50), a)
   Call: (186) [system] a='('
   Fail: (186) [system] a='('
   Call: (186) [system] a='['
   Fail: (186) [system] a='['
   Call: (186) [system] a='{'
   Fail: (186) [system] a='{'
   Call: (186) [system] a='"'
   Fail: (186) [system] a='"'
   Call: (186) [system] a=!
   Fail: (186) [system] a=!
   Call: (186) [system] a='\''
   Fail: (186) [system] a='\''
   Call: (186) [system] a='`'
   Fail: (186) [system] a='`'
   Call: (186) [system] a=end_of_file
   Fail: (186) [system] a=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x55772f068e50), a, _944950)
^  Call: (187) [user] read_symbolic_cont(')', (0x55772f068e50), _980460)
   Call: (188) [system] peek_char((0x55772f068e50), _981394)
   Exit: (188) [system] peek_char((0x55772f068e50), s)
^  Call: (188) [user] is_delimiter(s)
   Call: (189) [system] char_type(s, space)
   Fail: (189) [system] char_type(s, space)
   Call: (189) [system] arg(_986114, v('(', ')', end_of_file), s)
   Fail: (189) [system] arg(_987046, v('(', ')', end_of_file), s)
^  Fail: (188) [user] is_delimiter(s)
   Call: (188) [system] ')'==s
   Fail: (188) [system] ')'==s
   Call: (188) [system] get_char((0x55772f068e50), s)
   Exit: (188) [system] get_char((0x55772f068e50), s)
   Call: (188) [system] s=(\)
   Fail: (188) [system] s=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _994396)
   Call: (189) [system] peek_char((0x55772f068e50), _995330)
   Exit: (189) [system] peek_char((0x55772f068e50), s)
^  Call: (189) [user] is_delimiter(s)
   Call: (190) [system] char_type(s, space)
   Fail: (190) [system] char_type(s, space)
   Call: (190) [system] arg(_1000050, v('(', ')', end_of_file), s)
   Fail: (190) [system] arg(_1000982, v('(', ')', end_of_file), s)
^  Fail: (189) [user] is_delimiter(s)
   Call: (189) [system] ')'==s
   Fail: (189) [system] ')'==s
   Call: (189) [system] get_char((0x55772f068e50), s)
   Exit: (189) [system] get_char((0x55772f068e50), s)
   Call: (189) [system] s=(\)
   Fail: (189) [system] s=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _1008332)
   Call: (190) [system] peek_char((0x55772f068e50), _1009266)
   Exit: (190) [system] peek_char((0x55772f068e50), e)
^  Call: (190) [user] is_delimiter(e)
   Call: (191) [system] char_type(e, space)
   Fail: (191) [system] char_type(e, space)
   Call: (191) [system] arg(_1013986, v('(', ')', end_of_file), e)
   Fail: (191) [system] arg(_1014918, v('(', ')', end_of_file), e)
^  Fail: (190) [user] is_delimiter(e)
   Call: (190) [system] ')'==e
   Fail: (190) [system] ')'==e
   Call: (190) [system] get_char((0x55772f068e50), e)
   Exit: (190) [system] get_char((0x55772f068e50), e)
   Call: (190) [system] e=(\)
   Fail: (190) [system] e=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _1022268)
   Call: (191) [system] peek_char((0x55772f068e50), _1023202)
   Exit: (191) [system] peek_char((0x55772f068e50), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_1027922, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_1028854, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x55772f068e50), r)
   Exit: (191) [system] get_char((0x55772f068e50), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _1036204)
   Call: (192) [system] peek_char((0x55772f068e50), _1037138)
   Exit: (192) [system] peek_char((0x55772f068e50), t)
^  Call: (192) [user] is_delimiter(t)
   Call: (193) [system] char_type(t, space)
   Fail: (193) [system] char_type(t, space)
   Call: (193) [system] arg(_1041858, v('(', ')', end_of_file), t)
   Fail: (193) [system] arg(_1042790, v('(', ')', end_of_file), t)
^  Fail: (192) [user] is_delimiter(t)
   Call: (192) [system] ')'==t
   Fail: (192) [system] ')'==t
   Call: (192) [system] get_char((0x55772f068e50), t)
   Exit: (192) [system] get_char((0x55772f068e50), t)
   Call: (192) [system] t=(\)
   Fail: (192) [system] t=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _1050140)
   Call: (193) [system] peek_char((0x55772f068e50), _1051074)
   Exit: (193) [system] peek_char((0x55772f068e50), 'E')
^  Call: (193) [user] is_delimiter('E')
   Call: (194) [system] char_type('E', space)
   Fail: (194) [system] char_type('E', space)
   Call: (194) [system] arg(_1055794, v('(', ')', end_of_file), 'E')
   Fail: (194) [system] arg(_1056726, v('(', ')', end_of_file), 'E')
^  Fail: (193) [user] is_delimiter('E')
   Call: (193) [system] ')'=='E'
   Fail: (193) [system] ')'=='E'
   Call: (193) [system] get_char((0x55772f068e50), 'E')
   Exit: (193) [system] get_char((0x55772f068e50), 'E')
   Call: (193) [system] 'E'=(\)
   Fail: (193) [system] 'E'=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _1064076)
   Call: (194) [system] peek_char((0x55772f068e50), _1065010)
   Exit: (194) [system] peek_char((0x55772f068e50), q)
^  Call: (194) [user] is_delimiter(q)
   Call: (195) [system] char_type(q, space)
   Fail: (195) [system] char_type(q, space)
   Call: (195) [system] arg(_1069730, v('(', ')', end_of_file), q)
   Fail: (195) [system] arg(_1070662, v('(', ')', end_of_file), q)
^  Fail: (194) [user] is_delimiter(q)
   Call: (194) [system] ')'==q
   Fail: (194) [system] ')'==q
   Call: (194) [system] get_char((0x55772f068e50), q)
   Exit: (194) [system] get_char((0x55772f068e50), q)
   Call: (194) [system] q=(\)
   Fail: (194) [system] q=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _1078012)
   Call: (195) [system] peek_char((0x55772f068e50), _1078946)
   Exit: (195) [system] peek_char((0x55772f068e50), u)
^  Call: (195) [user] is_delimiter(u)
   Call: (196) [system] char_type(u, space)
   Fail: (196) [system] char_type(u, space)
   Call: (196) [system] arg(_1083666, v('(', ')', end_of_file), u)
   Fail: (196) [system] arg(_1084598, v('(', ')', end_of_file), u)
^  Fail: (195) [user] is_delimiter(u)
   Call: (195) [system] ')'==u
   Fail: (195) [system] ')'==u
   Call: (195) [system] get_char((0x55772f068e50), u)
   Exit: (195) [system] get_char((0x55772f068e50), u)
   Call: (195) [system] u=(\)
   Fail: (195) [system] u=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _1091948)
   Call: (196) [system] peek_char((0x55772f068e50), _1092882)
   Exit: (196) [system] peek_char((0x55772f068e50), a)
^  Call: (196) [user] is_delimiter(a)
   Call: (197) [system] char_type(a, space)
   Fail: (197) [system] char_type(a, space)
   Call: (197) [system] arg(_1097602, v('(', ')', end_of_file), a)
   Fail: (197) [system] arg(_1098534, v('(', ')', end_of_file), a)
^  Fail: (196) [user] is_delimiter(a)
   Call: (196) [system] ')'==a
   Fail: (196) [system] ')'==a
   Call: (196) [system] get_char((0x55772f068e50), a)
   Exit: (196) [system] get_char((0x55772f068e50), a)
   Call: (196) [system] a=(\)
   Fail: (196) [system] a=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1105884)
   Call: (197) [system] peek_char((0x55772f068e50), _1106818)
   Exit: (197) [system] peek_char((0x55772f068e50), l)
^  Call: (197) [user] is_delimiter(l)
   Call: (198) [system] char_type(l, space)
   Fail: (198) [system] char_type(l, space)
   Call: (198) [system] arg(_1111538, v('(', ')', end_of_file), l)
   Fail: (198) [system] arg(_1112470, v('(', ')', end_of_file), l)
^  Fail: (197) [user] is_delimiter(l)
   Call: (197) [system] ')'==l
   Fail: (197) [system] ')'==l
   Call: (197) [system] get_char((0x55772f068e50), l)
   Exit: (197) [system] get_char((0x55772f068e50), l)
   Call: (197) [system] l=(\)
   Fail: (197) [system] l=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1119820)
   Call: (198) [system] peek_char((0x55772f068e50), _1120754)
   Exit: (198) [system] peek_char((0x55772f068e50), 'T')
^  Call: (198) [user] is_delimiter('T')
   Call: (199) [system] char_type('T', space)
   Fail: (199) [system] char_type('T', space)
   Call: (199) [system] arg(_1125474, v('(', ')', end_of_file), 'T')
   Fail: (199) [system] arg(_1126406, v('(', ')', end_of_file), 'T')
^  Fail: (198) [user] is_delimiter('T')
   Call: (198) [system] ')'=='T'
   Fail: (198) [system] ')'=='T'
   Call: (198) [system] get_char((0x55772f068e50), 'T')
   Exit: (198) [system] get_char((0x55772f068e50), 'T')
   Call: (198) [system] 'T'=(\)
   Fail: (198) [system] 'T'=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1133756)
   Call: (199) [system] peek_char((0x55772f068e50), _1134690)
   Exit: (199) [system] peek_char((0x55772f068e50), o)
^  Call: (199) [user] is_delimiter(o)
   Call: (200) [system] char_type(o, space)
   Fail: (200) [system] char_type(o, space)
   Call: (200) [system] arg(_1139410, v('(', ')', end_of_file), o)
   Fail: (200) [system] arg(_1140342, v('(', ')', end_of_file), o)
^  Fail: (199) [user] is_delimiter(o)
   Call: (199) [system] ')'==o
   Fail: (199) [system] ')'==o
   Call: (199) [system] get_char((0x55772f068e50), o)
   Exit: (199) [system] get_char((0x55772f068e50), o)
   Call: (199) [system] o=(\)
   Fail: (199) [system] o=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1147692)
   Call: (200) [system] peek_char((0x55772f068e50), _1148626)
   Exit: (200) [system] peek_char((0x55772f068e50), 'R')
^  Call: (200) [user] is_delimiter('R')
   Call: (201) [system] char_type('R', space)
   Fail: (201) [system] char_type('R', space)
   Call: (201) [system] arg(_1153346, v('(', ')', end_of_file), 'R')
   Fail: (201) [system] arg(_1154278, v('(', ')', end_of_file), 'R')
^  Fail: (200) [user] is_delimiter('R')
   Call: (200) [system] ')'=='R'
   Fail: (200) [system] ')'=='R'
   Call: (200) [system] get_char((0x55772f068e50), 'R')
   Exit: (200) [system] get_char((0x55772f068e50), 'R')
   Call: (200) [system] 'R'=(\)
   Fail: (200) [system] 'R'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1161628)
   Call: (201) [system] peek_char((0x55772f068e50), _1162562)
   Exit: (201) [system] peek_char((0x55772f068e50), e)
^  Call: (201) [user] is_delimiter(e)
   Call: (202) [system] char_type(e, space)
   Fail: (202) [system] char_type(e, space)
   Call: (202) [system] arg(_1167282, v('(', ')', end_of_file), e)
   Fail: (202) [system] arg(_1168214, v('(', ')', end_of_file), e)
^  Fail: (201) [user] is_delimiter(e)
   Call: (201) [system] ')'==e
   Fail: (201) [system] ')'==e
   Call: (201) [system] get_char((0x55772f068e50), e)
   Exit: (201) [system] get_char((0x55772f068e50), e)
   Call: (201) [system] e=(\)
   Fail: (201) [system] e=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1175564)
   Call: (202) [system] peek_char((0x55772f068e50), _1176498)
   Exit: (202) [system] peek_char((0x55772f068e50), s)
^  Call: (202) [user] is_delimiter(s)
   Call: (203) [system] char_type(s, space)
   Fail: (203) [system] char_type(s, space)
   Call: (203) [system] arg(_1181218, v('(', ')', end_of_file), s)
   Fail: (203) [system] arg(_1182150, v('(', ')', end_of_file), s)
^  Fail: (202) [user] is_delimiter(s)
   Call: (202) [system] ')'==s
   Fail: (202) [system] ')'==s
   Call: (202) [system] get_char((0x55772f068e50), s)
   Exit: (202) [system] get_char((0x55772f068e50), s)
   Call: (202) [system] s=(\)
   Fail: (202) [system] s=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1189500)
   Call: (203) [system] peek_char((0x55772f068e50), _1190434)
   Exit: (203) [system] peek_char((0x55772f068e50), u)
^  Call: (203) [user] is_delimiter(u)
   Call: (204) [system] char_type(u, space)
   Fail: (204) [system] char_type(u, space)
   Call: (204) [system] arg(_1195154, v('(', ')', end_of_file), u)
   Fail: (204) [system] arg(_1196086, v('(', ')', end_of_file), u)
^  Fail: (203) [user] is_delimiter(u)
   Call: (203) [system] ')'==u
   Fail: (203) [system] ')'==u
   Call: (203) [system] get_char((0x55772f068e50), u)
   Exit: (203) [system] get_char((0x55772f068e50), u)
   Call: (203) [system] u=(\)
   Fail: (203) [system] u=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1203436)
   Call: (204) [system] peek_char((0x55772f068e50), _1204370)
   Exit: (204) [system] peek_char((0x55772f068e50), l)
^  Call: (204) [user] is_delimiter(l)
   Call: (205) [system] char_type(l, space)
   Fail: (205) [system] char_type(l, space)
   Call: (205) [system] arg(_1209090, v('(', ')', end_of_file), l)
   Fail: (205) [system] arg(_1210022, v('(', ')', end_of_file), l)
^  Fail: (204) [user] is_delimiter(l)
   Call: (204) [system] ')'==l
   Fail: (204) [system] ')'==l
   Call: (204) [system] get_char((0x55772f068e50), l)
   Exit: (204) [system] get_char((0x55772f068e50), l)
   Call: (204) [system] l=(\)
   Fail: (204) [system] l=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1217372)
   Call: (205) [system] peek_char((0x55772f068e50), _1218306)
   Exit: (205) [system] peek_char((0x55772f068e50), t)
^  Call: (205) [user] is_delimiter(t)
   Call: (206) [system] char_type(t, space)
   Fail: (206) [system] char_type(t, space)
   Call: (206) [system] arg(_1223026, v('(', ')', end_of_file), t)
   Fail: (206) [system] arg(_1223958, v('(', ')', end_of_file), t)
^  Fail: (205) [user] is_delimiter(t)
   Call: (205) [system] ')'==t
   Fail: (205) [system] ')'==t
   Call: (205) [system] get_char((0x55772f068e50), t)
   Exit: (205) [system] get_char((0x55772f068e50), t)
   Call: (205) [system] t=(\)
   Fail: (205) [system] t=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1231308)
   Call: (206) [system] peek_char((0x55772f068e50), _1232242)
   Exit: (206) [system] peek_char((0x55772f068e50), '\n')
^  Call: (206) [user] is_delimiter('\n')
   Call: (207) [system] char_type('\n', space)
   Exit: (207) [system] char_type('\n', space)
^  Exit: (206) [user] is_delimiter('\n')
   Call: (206) [system] _1231308=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (205) [system] _1217372=[t]
   Exit: (205) [system] [t]=[t]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [t])
   Call: (204) [system] _1203436=[l, t]
   Exit: (204) [system] [l, t]=[l, t]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [l, t])
   Call: (203) [system] _1189500=[u, l, t]
   Exit: (203) [system] [u, l, t]=[u, l, t]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [u, l, t])
   Call: (202) [system] _1175564=[s, u, l, t]
   Exit: (202) [system] [s, u, l, t]=[s, u, l, t]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [s, u, l, t])
   Call: (201) [system] _1161628=[e, s, u, l, t]
   Exit: (201) [system] [e, s, u, l, t]=[e, s, u, l, t]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [e, s, u, l, t])
   Call: (200) [system] _1147692=['R', e, s, u, l, t]
   Exit: (200) [system] ['R', e, s, u, l, t]=['R', e, s, u, l, t]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), ['R', e, s, u, l, t])
   Call: (199) [system] _1133756=[o, 'R', e, s, u, l, t]
   Exit: (199) [system] [o, 'R', e, s, u, l, t]=[o, 'R', e, s, u, l, t]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [o, 'R', e, s, u, l, t])
   Call: (198) [system] _1119820=['T', o, 'R', e, s, u, l, t]
   Exit: (198) [system] ['T', o, 'R', e, s, u, l, t]=['T', o, 'R', e, s, u, l, t]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), ['T', o, 'R', e, s, u, l, t])
   Call: (197) [system] _1105884=[l, 'T', o, 'R', e, s, u, l, t]
   Exit: (197) [system] [l, 'T', o, 'R', e, s, u, l, t]=[l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [l, 'T', o, 'R', e, s, u, l, t])
   Call: (196) [system] _1091948=[a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (196) [system] [a, l, 'T', o, 'R', e, s, u, l, t]=[a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (195) [system] _1078012=[u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (195) [system] [u, a, l, 'T', o, 'R', e, s, u, l, t]=[u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (194) [system] _1064076=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (194) [system] [q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (193) [system] _1050140=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (193) [system] ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (192) [system] _1036204=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (192) [system] [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (191) [system] _1022268=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (191) [system] [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (190) [system] _1008332=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (190) [system] [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (189) [system] _994396=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (189) [system] [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (188) [system] _980460=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (188) [system] [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (187) [user] read_symbolic_cont(')', (0x55772f068e50), [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
^  Call: (187) [user] classify_and_convert_charseq([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _944950)
^  Call: (188) [user] classify_and_convert_charseq_([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _1291818)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1292770, _1292772), once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _1291818), _1292752, fail)), '$restore_trace'(_1292770, _1292772))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1292770, _1292772))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult), _1292752, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(assertEqualToResult)
   Exit: (189) [system] atomic(assertEqualToResult)
^  Exit: (188) [user] classify_and_convert_charseq_([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult)
   Call: (188) [system] integer(assertEqualToResult)
   Fail: (188) [system] integer(assertEqualToResult)
   Call: (188) [system] _944950=assertEqualToResult
   Exit: (188) [system] assertEqualToResult=assertEqualToResult
^  Exit: (187) [user] classify_and_convert_charseq([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult)
^  Exit: (186) [user] read_symbolic(')', (0x55772f068e50), a, assertEqualToResult)
^  Exit: (185) [user] cont_sexpr(')', (0x55772f068e50), assertEqualToResult)
^  Call: (185) [user] read_list(')', (0x55772f068e50), _1304898)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1306756)
   Exit: (187) [system] peek_char((0x55772f068e50), '\n')
   Call: (187) [system] '\n'=(;)
   Fail: (187) [system] '\n'=(;)
   Call: (187) [system] '\n'=(/)
   Fail: (187) [system] '\n'=(/)
^  Call: (187) [user] is_like_space('\n')
   Call: (188) [system] char_type('\n', 'white')
   Fail: (188) [system] char_type('\n', 'white')
   Call: (188) [system] char_type('\n', end_of_line)
   Exit: (188) [system] char_type('\n', end_of_line)
^  Exit: (187) [user] is_like_space('\n')
   Call: (187) [system] get_char((0x55772f068e50), _1318206)
   Exit: (187) [system] get_char((0x55772f068e50), '\n')
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1320910)
   Exit: (188) [system] peek_char((0x55772f068e50), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x55772f068e50), _1330504)
   Exit: (188) [system] get_char((0x55772f068e50), ' ')
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1333208)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x55772f068e50), _1342802)
   Exit: (189) [system] get_char((0x55772f068e50), ' ')
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1345506)
   Exit: (190) [system] peek_char((0x55772f068e50), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x55772f068e50), _1355100)
   Exit: (190) [system] get_char((0x55772f068e50), ' ')
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1357804)
   Exit: (191) [system] peek_char((0x55772f068e50), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x55772f068e50), _1367398)
   Exit: (191) [system] get_char((0x55772f068e50), ' ')
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1370102)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1390732)
   Exit: (186) [system] peek_char((0x55772f068e50), '(')
   Call: (186) [system] '('=')'
   Fail: (186) [system] '('=')'
   Call: (186) [system] '('=end_of_file
   Fail: (186) [system] '('=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x55772f068e50), _1396302)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1398160)
   Exit: (188) [system] peek_char((0x55772f068e50), '(')
   Call: (188) [system] '('=(;)
   Fail: (188) [system] '('=(;)
   Call: (188) [system] '('=(/)
   Fail: (188) [system] '('=(/)
^  Call: (188) [user] is_like_space('(')
   Call: (189) [system] char_type('(', 'white')
   Fail: (189) [system] char_type('(', 'white')
   Call: (189) [system] char_type('(', end_of_line)
   Fail: (189) [system] char_type('(', end_of_line)
   Call: (189) [system] char_type('(', space)
   Fail: (189) [system] char_type('(', space)
   Call: (189) [system] char_type('(', cntrl)
   Fail: (189) [system] char_type('(', cntrl)
^  Fail: (188) [user] is_like_space('(')
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] get_char((0x55772f068e50), _1414170)
   Exit: (187) [system] get_char((0x55772f068e50), '(')
   Call: (187) [system] '('='('
   Exit: (187) [system] '('='('
^  Call: (187) [user] read_list(')', (0x55772f068e50), _1396302)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1419740)
   Exit: (189) [system] peek_char((0x55772f068e50), k)
   Call: (189) [system] k=(;)
   Fail: (189) [system] k=(;)
   Call: (189) [system] k=(/)
   Fail: (189) [system] k=(/)
^  Call: (189) [user] is_like_space(k)
   Call: (190) [system] char_type(k, 'white')
   Fail: (190) [system] char_type(k, 'white')
   Call: (190) [system] char_type(k, end_of_line)
   Fail: (190) [system] char_type(k, end_of_line)
   Call: (190) [system] char_type(k, space)
   Fail: (190) [system] char_type(k, space)
   Call: (190) [system] char_type(k, cntrl)
   Fail: (190) [system] char_type(k, cntrl)
^  Fail: (189) [user] is_like_space(k)
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1435750)
   Exit: (188) [system] peek_char((0x55772f068e50), k)
   Call: (188) [system] k=')'
   Fail: (188) [system] k=')'
   Call: (188) [system] k=end_of_file
   Fail: (188) [system] k=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x55772f068e50), _1441320)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1443178)
   Exit: (190) [system] peek_char((0x55772f068e50), k)
   Call: (190) [system] k=(;)
   Fail: (190) [system] k=(;)
   Call: (190) [system] k=(/)
   Fail: (190) [system] k=(/)
^  Call: (190) [user] is_like_space(k)
   Call: (191) [system] char_type(k, 'white')
   Fail: (191) [system] char_type(k, 'white')
   Call: (191) [system] char_type(k, end_of_line)
   Fail: (191) [system] char_type(k, end_of_line)
   Call: (191) [system] char_type(k, space)
   Fail: (191) [system] char_type(k, space)
   Call: (191) [system] char_type(k, cntrl)
   Fail: (191) [system] char_type(k, cntrl)
^  Fail: (190) [user] is_like_space(k)
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] get_char((0x55772f068e50), _1459188)
   Exit: (189) [system] get_char((0x55772f068e50), k)
   Call: (189) [system] k='('
   Fail: (189) [system] k='('
   Call: (189) [system] k='['
   Fail: (189) [system] k='['
   Call: (189) [system] k='{'
   Fail: (189) [system] k='{'
   Call: (189) [system] k='"'
   Fail: (189) [system] k='"'
   Call: (189) [system] k=!
   Fail: (189) [system] k=!
   Call: (189) [system] k='\''
   Fail: (189) [system] k='\''
   Call: (189) [system] k='`'
   Fail: (189) [system] k='`'
   Call: (189) [system] k=end_of_file
   Fail: (189) [system] k=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x55772f068e50), k, _1441320)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _1476830)
   Call: (191) [system] peek_char((0x55772f068e50), _1477764)
   Exit: (191) [system] peek_char((0x55772f068e50), b)
^  Call: (191) [user] is_delimiter(b)
   Call: (192) [system] char_type(b, space)
   Fail: (192) [system] char_type(b, space)
   Call: (192) [system] arg(_1482484, v('(', ')', end_of_file), b)
   Fail: (192) [system] arg(_1483416, v('(', ')', end_of_file), b)
^  Fail: (191) [user] is_delimiter(b)
   Call: (191) [system] ')'==b
   Fail: (191) [system] ')'==b
   Call: (191) [system] get_char((0x55772f068e50), b)
   Exit: (191) [system] get_char((0x55772f068e50), b)
   Call: (191) [system] b=(\)
   Fail: (191) [system] b=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _1490766)
   Call: (192) [system] peek_char((0x55772f068e50), _1491700)
   Exit: (192) [system] peek_char((0x55772f068e50), ')')
^  Call: (192) [user] is_delimiter(')')
   Call: (193) [system] char_type(')', space)
   Fail: (193) [system] char_type(')', space)
   Call: (193) [system] arg(_1496420, v('(', ')', end_of_file), ')')
   Exit: (193) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (192) [user] is_delimiter(')')
   Call: (192) [system] _1490766=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (191) [system] _1476830=[b]
   Exit: (191) [system] [b]=[b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
^  Call: (190) [user] classify_and_convert_charseq([k, b], _1441320)
^  Call: (191) [user] classify_and_convert_charseq_([k, b], _1505650)
^  Call: (193) [system] setup_call_cleanup('$notrace'(_1506602, _1506604), once(user:catch(read_from_chars([k, b], _1505650), _1506584, fail)), '$restore_trace'(_1506602, _1506604))
^  Call: (194) [system] sig_atomic(system:'$notrace'(_1506602, _1506604))
^  Exit: (193) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _1506584, fail)), system:'$restore_trace'(3, -1))
   Call: (192) [system] atomic(kb)
   Exit: (192) [system] atomic(kb)
^  Exit: (191) [user] classify_and_convert_charseq_([k, b], kb)
   Call: (191) [system] integer(kb)
   Fail: (191) [system] integer(kb)
   Call: (191) [system] _1441320=kb
   Exit: (191) [system] kb=kb
^  Exit: (190) [user] classify_and_convert_charseq([k, b], kb)
^  Exit: (189) [user] read_symbolic(')', (0x55772f068e50), k, kb)
^  Exit: (188) [user] cont_sexpr(')', (0x55772f068e50), kb)
^  Call: (188) [user] read_list(')', (0x55772f068e50), _1518730)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1520588)
   Exit: (190) [system] peek_char((0x55772f068e50), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1536598)
   Exit: (189) [system] peek_char((0x55772f068e50), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x55772f068e50), _1540388)
   Exit: (189) [system] get_char((0x55772f068e50), ')')
   Call: (189) [system] _1518730=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [])
   Call: (188) [system] _1396302=[kb]
   Exit: (188) [system] [kb]=[kb]
^  Exit: (187) [user] read_list(')', (0x55772f068e50), [kb])
^  Exit: (186) [user] cont_sexpr(')', (0x55772f068e50), [kb])
^  Call: (186) [user] read_list(')', (0x55772f068e50), _1548682)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1550540)
   Exit: (188) [system] peek_char((0x55772f068e50), '\n')
   Call: (188) [system] '\n'=(;)
   Fail: (188) [system] '\n'=(;)
   Call: (188) [system] '\n'=(/)
   Fail: (188) [system] '\n'=(/)
^  Call: (188) [user] is_like_space('\n')
   Call: (189) [system] char_type('\n', 'white')
   Fail: (189) [system] char_type('\n', 'white')
   Call: (189) [system] char_type('\n', end_of_line)
   Exit: (189) [system] char_type('\n', end_of_line)
^  Exit: (188) [user] is_like_space('\n')
   Call: (188) [system] get_char((0x55772f068e50), _1561990)
   Exit: (188) [system] get_char((0x55772f068e50), '\n')
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1564694)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x55772f068e50), _1574288)
   Exit: (189) [system] get_char((0x55772f068e50), ' ')
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1576992)
   Exit: (190) [system] peek_char((0x55772f068e50), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x55772f068e50), _1586586)
   Exit: (190) [system] get_char((0x55772f068e50), ' ')
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1589290)
   Exit: (191) [system] peek_char((0x55772f068e50), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x55772f068e50), _1598884)
   Exit: (191) [system] get_char((0x55772f068e50), ' ')
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1601588)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x55772f068e50), _1611182)
   Exit: (192) [system] get_char((0x55772f068e50), ' ')
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1613886)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1634516)
   Exit: (187) [system] peek_char((0x55772f068e50), '(')
   Call: (187) [system] '('=')'
   Fail: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
   Fail: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x55772f068e50), _1640086)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1641944)
   Exit: (189) [system] peek_char((0x55772f068e50), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] get_char((0x55772f068e50), _1657954)
   Exit: (188) [system] get_char((0x55772f068e50), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x55772f068e50), _1640086)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1663524)
   Exit: (190) [system] peek_char((0x55772f068e50), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x55772f068e50), _1673118)
   Exit: (190) [system] get_char((0x55772f068e50), ' ')
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1675822)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1692756)
   Exit: (189) [system] peek_char((0x55772f068e50), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x55772f068e50), _1698326)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1700184)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] get_char((0x55772f068e50), _1716194)
   Exit: (190) [system] get_char((0x55772f068e50), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x55772f068e50), _1698326)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1721764)
   Exit: (192) [system] peek_char((0x55772f068e50), :)
   Call: (192) [system] (:)=(;)
   Fail: (192) [system] (:)=(;)
   Call: (192) [system] (:)=(/)
   Fail: (192) [system] (:)=(/)
^  Call: (192) [user] is_like_space(:)
   Call: (193) [system] char_type(:, 'white')
   Fail: (193) [system] char_type(:, 'white')
   Call: (193) [system] char_type(:, end_of_line)
   Fail: (193) [system] char_type(:, end_of_line)
   Call: (193) [system] char_type(:, space)
   Fail: (193) [system] char_type(:, space)
   Call: (193) [system] char_type(:, cntrl)
   Fail: (193) [system] char_type(:, cntrl)
^  Fail: (192) [user] is_like_space(:)
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1737774)
   Exit: (191) [system] peek_char((0x55772f068e50), :)
   Call: (191) [system] (:)=')'
   Fail: (191) [system] (:)=')'
   Call: (191) [system] (:)=end_of_file
   Fail: (191) [system] (:)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x55772f068e50), _1743344)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1745202)
   Exit: (193) [system] peek_char((0x55772f068e50), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
   Call: (193) [system] (:)=(/)
   Fail: (193) [system] (:)=(/)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] get_char((0x55772f068e50), _1761212)
   Exit: (192) [system] get_char((0x55772f068e50), :)
   Call: (192) [system] (:)='('
   Fail: (192) [system] (:)='('
   Call: (192) [system] (:)='['
   Fail: (192) [system] (:)='['
   Call: (192) [system] (:)='{'
   Fail: (192) [system] (:)='{'
   Call: (192) [system] (:)='"'
   Fail: (192) [system] (:)='"'
   Call: (192) [system] (:)=!
   Fail: (192) [system] (:)=!
   Call: (192) [system] (:)='\''
   Fail: (192) [system] (:)='\''
   Call: (192) [system] (:)='`'
   Fail: (192) [system] (:)='`'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x55772f068e50), :, _1743344)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _1778854)
   Call: (194) [system] peek_char((0x55772f068e50), _1779788)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1778854=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (193) [user] classify_and_convert_charseq([:], _1743344)
^  Call: (194) [user] classify_and_convert_charseq_([:], _1789072)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1790024, _1790026), once(user:catch(read_from_chars([:], _1789072), _1790006, fail)), '$restore_trace'(_1790024, _1790026))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1790024, _1790026))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1790006, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(:)
   Exit: (195) [system] atomic(:)
^  Exit: (194) [user] classify_and_convert_charseq_([:], :)
   Call: (194) [system] integer(:)
   Fail: (194) [system] integer(:)
   Call: (194) [system] _1743344=(:)
   Exit: (194) [system] (:)=(:)
^  Exit: (193) [user] classify_and_convert_charseq([:], :)
^  Exit: (192) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (191) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (191) [user] read_list(')', (0x55772f068e50), _1802152)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1804010)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _1813604)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1816308)
   Exit: (194) [system] peek_char((0x55772f068e50), a)
   Call: (194) [system] a=(;)
   Fail: (194) [system] a=(;)
   Call: (194) [system] a=(/)
   Fail: (194) [system] a=(/)
^  Call: (194) [user] is_like_space(a)
   Call: (195) [system] char_type(a, 'white')
   Fail: (195) [system] char_type(a, 'white')
   Call: (195) [system] char_type(a, end_of_line)
   Fail: (195) [system] char_type(a, end_of_line)
   Call: (195) [system] char_type(a, space)
   Fail: (195) [system] char_type(a, space)
   Call: (195) [system] char_type(a, cntrl)
   Fail: (195) [system] char_type(a, cntrl)
^  Fail: (194) [user] is_like_space(a)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1833242)
   Exit: (192) [system] peek_char((0x55772f068e50), a)
   Call: (192) [system] a=')'
   Fail: (192) [system] a=')'
   Call: (192) [system] a=end_of_file
   Fail: (192) [system] a=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _1838812)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1840670)
   Exit: (194) [system] peek_char((0x55772f068e50), a)
   Call: (194) [system] a=(;)
   Fail: (194) [system] a=(;)
   Call: (194) [system] a=(/)
   Fail: (194) [system] a=(/)
^  Call: (194) [user] is_like_space(a)
   Call: (195) [system] char_type(a, 'white')
   Fail: (195) [system] char_type(a, 'white')
   Call: (195) [system] char_type(a, end_of_line)
   Fail: (195) [system] char_type(a, end_of_line)
   Call: (195) [system] char_type(a, space)
   Fail: (195) [system] char_type(a, space)
   Call: (195) [system] char_type(a, cntrl)
   Fail: (195) [system] char_type(a, cntrl)
^  Fail: (194) [user] is_like_space(a)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _1856680)
   Exit: (193) [system] get_char((0x55772f068e50), a)
   Call: (193) [system] a='('
   Fail: (193) [system] a='('
   Call: (193) [system] a='['
   Fail: (193) [system] a='['
   Call: (193) [system] a='{'
   Fail: (193) [system] a='{'
   Call: (193) [system] a='"'
   Fail: (193) [system] a='"'
   Call: (193) [system] a=!
   Fail: (193) [system] a=!
   Call: (193) [system] a='\''
   Fail: (193) [system] a='\''
   Call: (193) [system] a='`'
   Fail: (193) [system] a='`'
   Call: (193) [system] a=end_of_file
   Fail: (193) [system] a=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x55772f068e50), a, _1838812)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _1874322)
   Call: (195) [system] peek_char((0x55772f068e50), _1875256)
   Exit: (195) [system] peek_char((0x55772f068e50), b)
^  Call: (195) [user] is_delimiter(b)
   Call: (196) [system] char_type(b, space)
   Fail: (196) [system] char_type(b, space)
   Call: (196) [system] arg(_1879976, v('(', ')', end_of_file), b)
   Fail: (196) [system] arg(_1880908, v('(', ')', end_of_file), b)
^  Fail: (195) [user] is_delimiter(b)
   Call: (195) [system] ')'==b
   Fail: (195) [system] ')'==b
   Call: (195) [system] get_char((0x55772f068e50), b)
   Exit: (195) [system] get_char((0x55772f068e50), b)
   Call: (195) [system] b=(\)
   Fail: (195) [system] b=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _1888258)
   Call: (196) [system] peek_char((0x55772f068e50), _1889192)
   Exit: (196) [system] peek_char((0x55772f068e50), c)
^  Call: (196) [user] is_delimiter(c)
   Call: (197) [system] char_type(c, space)
   Fail: (197) [system] char_type(c, space)
   Call: (197) [system] arg(_1893912, v('(', ')', end_of_file), c)
   Fail: (197) [system] arg(_1894844, v('(', ')', end_of_file), c)
^  Fail: (196) [user] is_delimiter(c)
   Call: (196) [system] ')'==c
   Fail: (196) [system] ')'==c
   Call: (196) [system] get_char((0x55772f068e50), c)
   Exit: (196) [system] get_char((0x55772f068e50), c)
   Call: (196) [system] c=(\)
   Fail: (196) [system] c=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1902194)
   Call: (197) [system] peek_char((0x55772f068e50), _1903128)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1902194=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (196) [system] _1888258=[c]
   Exit: (196) [system] [c]=[c]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (195) [system] _1874322=[b, c]
   Exit: (195) [system] [b, c]=[b, c]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (194) [user] classify_and_convert_charseq([a, b, c], _1838812)
^  Call: (195) [user] classify_and_convert_charseq_([a, b, c], _1918000)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1918952, _1918954), once(user:catch(read_from_chars([a, b, c], _1918000), _1918934, fail)), '$restore_trace'(_1918952, _1918954))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1918952, _1918954))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1918934, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(abc)
   Exit: (196) [system] atomic(abc)
^  Exit: (195) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (195) [system] integer(abc)
   Fail: (195) [system] integer(abc)
   Call: (195) [system] _1838812=abc
   Exit: (195) [system] abc=abc
^  Exit: (194) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (193) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (192) [user] read_list(')', (0x55772f068e50), _1931080)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1932938)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _1942532)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1945236)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1962170)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _1967740)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1969598)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _1985608)
   Exit: (194) [system] get_char((0x55772f068e50), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x55772f068e50), _1967740)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1991178)
   Exit: (196) [system] peek_char((0x55772f068e50), 'I')
   Call: (196) [system] 'I'=(;)
   Fail: (196) [system] 'I'=(;)
   Call: (196) [system] 'I'=(/)
   Fail: (196) [system] 'I'=(/)
^  Call: (196) [user] is_like_space('I')
   Call: (197) [system] char_type('I', 'white')
   Fail: (197) [system] char_type('I', 'white')
   Call: (197) [system] char_type('I', end_of_line)
   Fail: (197) [system] char_type('I', end_of_line)
   Call: (197) [system] char_type('I', space)
   Fail: (197) [system] char_type('I', space)
   Call: (197) [system] char_type('I', cntrl)
   Fail: (197) [system] char_type('I', cntrl)
^  Fail: (196) [user] is_like_space('I')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _2007188)
   Exit: (195) [system] peek_char((0x55772f068e50), 'I')
   Call: (195) [system] 'I'=')'
   Fail: (195) [system] 'I'=')'
   Call: (195) [system] 'I'=end_of_file
   Fail: (195) [system] 'I'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _2012758)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _2014616)
   Exit: (197) [system] peek_char((0x55772f068e50), 'I')
   Call: (197) [system] 'I'=(;)
   Fail: (197) [system] 'I'=(;)
   Call: (197) [system] 'I'=(/)
   Fail: (197) [system] 'I'=(/)
^  Call: (197) [user] is_like_space('I')
   Call: (198) [system] char_type('I', 'white')
   Fail: (198) [system] char_type('I', 'white')
   Call: (198) [system] char_type('I', end_of_line)
   Fail: (198) [system] char_type('I', end_of_line)
   Call: (198) [system] char_type('I', space)
   Fail: (198) [system] char_type('I', space)
   Call: (198) [system] char_type('I', cntrl)
   Fail: (198) [system] char_type('I', cntrl)
^  Fail: (197) [user] is_like_space('I')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _2030626)
   Exit: (196) [system] get_char((0x55772f068e50), 'I')
   Call: (196) [system] 'I'='('
   Fail: (196) [system] 'I'='('
   Call: (196) [system] 'I'='['
   Fail: (196) [system] 'I'='['
   Call: (196) [system] 'I'='{'
   Fail: (196) [system] 'I'='{'
   Call: (196) [system] 'I'='"'
   Fail: (196) [system] 'I'='"'
   Call: (196) [system] 'I'=!
   Fail: (196) [system] 'I'=!
   Call: (196) [system] 'I'='\''
   Fail: (196) [system] 'I'='\''
   Call: (196) [system] 'I'='`'
   Fail: (196) [system] 'I'='`'
   Call: (196) [system] 'I'=end_of_file
   Fail: (196) [system] 'I'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x55772f068e50), 'I', _2012758)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _2048268)
   Call: (198) [system] peek_char((0x55772f068e50), _2049202)
   Exit: (198) [system] peek_char((0x55772f068e50), m)
^  Call: (198) [user] is_delimiter(m)
   Call: (199) [system] char_type(m, space)
   Fail: (199) [system] char_type(m, space)
   Call: (199) [system] arg(_2053922, v('(', ')', end_of_file), m)
   Fail: (199) [system] arg(_2054854, v('(', ')', end_of_file), m)
^  Fail: (198) [user] is_delimiter(m)
   Call: (198) [system] ')'==m
   Fail: (198) [system] ')'==m
   Call: (198) [system] get_char((0x55772f068e50), m)
   Exit: (198) [system] get_char((0x55772f068e50), m)
   Call: (198) [system] m=(\)
   Fail: (198) [system] m=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _2062204)
   Call: (199) [system] peek_char((0x55772f068e50), _2063138)
   Exit: (199) [system] peek_char((0x55772f068e50), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_2067858, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_2068790, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x55772f068e50), p)
   Exit: (199) [system] get_char((0x55772f068e50), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _2076140)
   Call: (200) [system] peek_char((0x55772f068e50), _2077074)
   Exit: (200) [system] peek_char((0x55772f068e50), l)
^  Call: (200) [user] is_delimiter(l)
   Call: (201) [system] char_type(l, space)
   Fail: (201) [system] char_type(l, space)
   Call: (201) [system] arg(_2081794, v('(', ')', end_of_file), l)
   Fail: (201) [system] arg(_2082726, v('(', ')', end_of_file), l)
^  Fail: (200) [user] is_delimiter(l)
   Call: (200) [system] ')'==l
   Fail: (200) [system] ')'==l
   Call: (200) [system] get_char((0x55772f068e50), l)
   Exit: (200) [system] get_char((0x55772f068e50), l)
   Call: (200) [system] l=(\)
   Fail: (200) [system] l=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _2090076)
   Call: (201) [system] peek_char((0x55772f068e50), _2091010)
   Exit: (201) [system] peek_char((0x55772f068e50), i)
^  Call: (201) [user] is_delimiter(i)
   Call: (202) [system] char_type(i, space)
   Fail: (202) [system] char_type(i, space)
   Call: (202) [system] arg(_2095730, v('(', ')', end_of_file), i)
   Fail: (202) [system] arg(_3500, v('(', ')', end_of_file), i)
^  Fail: (201) [user] is_delimiter(i)
   Call: (201) [system] ')'==i
   Fail: (201) [system] ')'==i
   Call: (201) [system] get_char((0x55772f068e50), i)
   Exit: (201) [system] get_char((0x55772f068e50), i)
   Call: (201) [system] i=(\)
   Fail: (201) [system] i=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _10648)
   Call: (202) [system] peek_char((0x55772f068e50), _11582)
   Exit: (202) [system] peek_char((0x55772f068e50), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_16302, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_17234, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x55772f068e50), c)
   Exit: (202) [system] get_char((0x55772f068e50), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _24584)
   Call: (203) [system] peek_char((0x55772f068e50), _25518)
   Exit: (203) [system] peek_char((0x55772f068e50), a)
^  Call: (203) [user] is_delimiter(a)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] arg(_30238, v('(', ')', end_of_file), a)
   Fail: (204) [system] arg(_31170, v('(', ')', end_of_file), a)
^  Fail: (203) [user] is_delimiter(a)
   Call: (203) [system] ')'==a
   Fail: (203) [system] ')'==a
   Call: (203) [system] get_char((0x55772f068e50), a)
   Exit: (203) [system] get_char((0x55772f068e50), a)
   Call: (203) [system] a=(\)
   Fail: (203) [system] a=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _38520)
   Call: (204) [system] peek_char((0x55772f068e50), _39454)
   Exit: (204) [system] peek_char((0x55772f068e50), t)
^  Call: (204) [user] is_delimiter(t)
   Call: (205) [system] char_type(t, space)
   Fail: (205) [system] char_type(t, space)
   Call: (205) [system] arg(_44174, v('(', ')', end_of_file), t)
   Fail: (205) [system] arg(_45106, v('(', ')', end_of_file), t)
^  Fail: (204) [user] is_delimiter(t)
   Call: (204) [system] ')'==t
   Fail: (204) [system] ')'==t
   Call: (204) [system] get_char((0x55772f068e50), t)
   Exit: (204) [system] get_char((0x55772f068e50), t)
   Call: (204) [system] t=(\)
   Fail: (204) [system] t=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _52456)
   Call: (205) [system] peek_char((0x55772f068e50), _53390)
   Exit: (205) [system] peek_char((0x55772f068e50), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_58110, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_59042, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x55772f068e50), i)
   Exit: (205) [system] get_char((0x55772f068e50), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _66392)
   Call: (206) [system] peek_char((0x55772f068e50), _67326)
   Exit: (206) [system] peek_char((0x55772f068e50), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_72046, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_72978, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x55772f068e50), o)
   Exit: (206) [system] get_char((0x55772f068e50), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _80328)
   Call: (207) [system] peek_char((0x55772f068e50), _81262)
   Exit: (207) [system] peek_char((0x55772f068e50), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_85982, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_86914, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x55772f068e50), n)
   Exit: (207) [system] get_char((0x55772f068e50), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _94264)
   Call: (208) [system] peek_char((0x55772f068e50), _95198)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _94264=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (207) [system] _80328=[n]
   Exit: (207) [system] [n]=[n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (206) [system] _66392=[o, n]
   Exit: (206) [system] [o, n]=[o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (205) [system] _52456=[i, o, n]
   Exit: (205) [system] [i, o, n]=[i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (204) [system] _38520=[t, i, o, n]
   Exit: (204) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (203) [system] _24584=[a, t, i, o, n]
   Exit: (203) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (202) [system] _10648=[c, a, t, i, o, n]
   Exit: (202) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (201) [system] _3430=[i, c, a, t, i, o, n]
   Exit: (201) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (200) [system] _3426=[l, i, c, a, t, i, o, n]
   Exit: (200) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (199) [system] _3422=[p, l, i, c, a, t, i, o, n]
   Exit: (199) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (198) [system] _3418=[m, p, l, i, c, a, t, i, o, n]
   Exit: (198) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (197) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _3414)
^  Call: (198) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _132422)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_133374, _133376), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _132422), _133356, fail)), '$restore_trace'(_133374, _133376))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_133374, _133376))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _132422), _133356, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(_132422)
   Fail: (199) [system] atomic(_132422)
   Call: (199) [system] atom_chars(_132422, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (199) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (198) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (198) [system] integer('Implication')
   Fail: (198) [system] integer('Implication')
   Call: (198) [system] _3414='Implication'
   Exit: (198) [system] 'Implication'='Implication'
^  Exit: (197) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (196) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (195) [user] read_list(')', (0x55772f068e50), _147372)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _149230)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _158824)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _161528)
   Exit: (198) [system] peek_char((0x55772f068e50), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _178462)
   Exit: (196) [system] peek_char((0x55772f068e50), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _184032)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _185890)
   Exit: (198) [system] peek_char((0x55772f068e50), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _201900)
   Exit: (197) [system] get_char((0x55772f068e50), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x55772f068e50), _184032)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _207470)
   Exit: (199) [system] peek_char((0x55772f068e50), 'A')
   Call: (199) [system] 'A'=(;)
   Fail: (199) [system] 'A'=(;)
   Call: (199) [system] 'A'=(/)
   Fail: (199) [system] 'A'=(/)
^  Call: (199) [user] is_like_space('A')
   Call: (200) [system] char_type('A', 'white')
   Fail: (200) [system] char_type('A', 'white')
   Call: (200) [system] char_type('A', end_of_line)
   Fail: (200) [system] char_type('A', end_of_line)
   Call: (200) [system] char_type('A', space)
   Fail: (200) [system] char_type('A', space)
   Call: (200) [system] char_type('A', cntrl)
   Fail: (200) [system] char_type('A', cntrl)
^  Fail: (199) [user] is_like_space('A')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _223480)
   Exit: (198) [system] peek_char((0x55772f068e50), 'A')
   Call: (198) [system] 'A'=')'
   Fail: (198) [system] 'A'=')'
   Call: (198) [system] 'A'=end_of_file
   Fail: (198) [system] 'A'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _229050)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _230908)
   Exit: (200) [system] peek_char((0x55772f068e50), 'A')
   Call: (200) [system] 'A'=(;)
   Fail: (200) [system] 'A'=(;)
   Call: (200) [system] 'A'=(/)
   Fail: (200) [system] 'A'=(/)
^  Call: (200) [user] is_like_space('A')
   Call: (201) [system] char_type('A', 'white')
   Fail: (201) [system] char_type('A', 'white')
   Call: (201) [system] char_type('A', end_of_line)
   Fail: (201) [system] char_type('A', end_of_line)
   Call: (201) [system] char_type('A', space)
   Fail: (201) [system] char_type('A', space)
   Call: (201) [system] char_type('A', cntrl)
   Fail: (201) [system] char_type('A', cntrl)
^  Fail: (200) [user] is_like_space('A')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _246918)
   Exit: (199) [system] get_char((0x55772f068e50), 'A')
   Call: (199) [system] 'A'='('
   Fail: (199) [system] 'A'='('
   Call: (199) [system] 'A'='['
   Fail: (199) [system] 'A'='['
   Call: (199) [system] 'A'='{'
   Fail: (199) [system] 'A'='{'
   Call: (199) [system] 'A'='"'
   Fail: (199) [system] 'A'='"'
   Call: (199) [system] 'A'=!
   Fail: (199) [system] 'A'=!
   Call: (199) [system] 'A'='\''
   Fail: (199) [system] 'A'='\''
   Call: (199) [system] 'A'='`'
   Fail: (199) [system] 'A'='`'
   Call: (199) [system] 'A'=end_of_file
   Fail: (199) [system] 'A'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x55772f068e50), 'A', _229050)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _264560)
   Call: (201) [system] peek_char((0x55772f068e50), _265494)
   Exit: (201) [system] peek_char((0x55772f068e50), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_270214, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_271146, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x55772f068e50), n)
   Exit: (201) [system] get_char((0x55772f068e50), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _278496)
   Call: (202) [system] peek_char((0x55772f068e50), _279430)
   Exit: (202) [system] peek_char((0x55772f068e50), d)
^  Call: (202) [user] is_delimiter(d)
   Call: (203) [system] char_type(d, space)
   Fail: (203) [system] char_type(d, space)
   Call: (203) [system] arg(_284150, v('(', ')', end_of_file), d)
   Fail: (203) [system] arg(_285082, v('(', ')', end_of_file), d)
^  Fail: (202) [user] is_delimiter(d)
   Call: (202) [system] ')'==d
   Fail: (202) [system] ')'==d
   Call: (202) [system] get_char((0x55772f068e50), d)
   Exit: (202) [system] get_char((0x55772f068e50), d)
   Call: (202) [system] d=(\)
   Fail: (202) [system] d=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _292432)
   Call: (203) [system] peek_char((0x55772f068e50), _293366)
   Exit: (203) [system] peek_char((0x55772f068e50), 'L')
^  Call: (203) [user] is_delimiter('L')
   Call: (204) [system] char_type('L', space)
   Fail: (204) [system] char_type('L', space)
   Call: (204) [system] arg(_298086, v('(', ')', end_of_file), 'L')
   Fail: (204) [system] arg(_299018, v('(', ')', end_of_file), 'L')
^  Fail: (203) [user] is_delimiter('L')
   Call: (203) [system] ')'=='L'
   Fail: (203) [system] ')'=='L'
   Call: (203) [system] get_char((0x55772f068e50), 'L')
   Exit: (203) [system] get_char((0x55772f068e50), 'L')
   Call: (203) [system] 'L'=(\)
   Fail: (203) [system] 'L'=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _306368)
   Call: (204) [system] peek_char((0x55772f068e50), _307302)
   Exit: (204) [system] peek_char((0x55772f068e50), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_312022, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_312954, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x55772f068e50), i)
   Exit: (204) [system] get_char((0x55772f068e50), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _320304)
   Call: (205) [system] peek_char((0x55772f068e50), _321238)
   Exit: (205) [system] peek_char((0x55772f068e50), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_325958, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_326890, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x55772f068e50), n)
   Exit: (205) [system] get_char((0x55772f068e50), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _334240)
   Call: (206) [system] peek_char((0x55772f068e50), _335174)
   Exit: (206) [system] peek_char((0x55772f068e50), k)
^  Call: (206) [user] is_delimiter(k)
   Call: (207) [system] char_type(k, space)
   Fail: (207) [system] char_type(k, space)
   Call: (207) [system] arg(_339894, v('(', ')', end_of_file), k)
   Fail: (207) [system] arg(_340826, v('(', ')', end_of_file), k)
^  Fail: (206) [user] is_delimiter(k)
   Call: (206) [system] ')'==k
   Fail: (206) [system] ')'==k
   Call: (206) [system] get_char((0x55772f068e50), k)
   Exit: (206) [system] get_char((0x55772f068e50), k)
   Call: (206) [system] k=(\)
   Fail: (206) [system] k=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _348176)
   Call: (207) [system] peek_char((0x55772f068e50), _349110)
   Exit: (207) [system] peek_char((0x55772f068e50), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _348176=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (206) [system] _334240=[k]
   Exit: (206) [system] [k]=[k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (205) [system] _320304=[n, k]
   Exit: (205) [system] [n, k]=[n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (204) [system] _306368=[i, n, k]
   Exit: (204) [system] [i, n, k]=[i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (203) [system] _292432=['L', i, n, k]
   Exit: (203) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (202) [system] _278496=[d, 'L', i, n, k]
   Exit: (202) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (201) [system] _264560=[n, d, 'L', i, n, k]
   Exit: (201) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (200) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _229050)
^  Call: (201) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _375158)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_376110, _376112), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _375158), _376092, fail)), '$restore_trace'(_376110, _376112))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_376110, _376112))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _375158), _376092, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_375158)
   Fail: (202) [system] atomic(_375158)
   Call: (202) [system] atom_chars(_375158, ['A', n, d, 'L', i, n, k])
   Exit: (202) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (201) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (201) [system] integer('AndLink')
   Fail: (201) [system] integer('AndLink')
   Call: (201) [system] _229050='AndLink'
   Exit: (201) [system] 'AndLink'='AndLink'
^  Exit: (200) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (199) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (198) [user] read_list(')', (0x55772f068e50), _390108)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _391966)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _401560)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _404264)
   Exit: (201) [system] peek_char((0x55772f068e50), 'A')
   Call: (201) [system] 'A'=(;)
   Fail: (201) [system] 'A'=(;)
   Call: (201) [system] 'A'=(/)
   Fail: (201) [system] 'A'=(/)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Fail: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Fail: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Fail: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
   Fail: (202) [system] char_type('A', cntrl)
^  Fail: (201) [user] is_like_space('A')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _421198)
   Exit: (199) [system] peek_char((0x55772f068e50), 'A')
   Call: (199) [system] 'A'=')'
   Fail: (199) [system] 'A'=')'
   Call: (199) [system] 'A'=end_of_file
   Fail: (199) [system] 'A'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _426768)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _428626)
   Exit: (201) [system] peek_char((0x55772f068e50), 'A')
   Call: (201) [system] 'A'=(;)
   Fail: (201) [system] 'A'=(;)
   Call: (201) [system] 'A'=(/)
   Fail: (201) [system] 'A'=(/)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Fail: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Fail: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Fail: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
   Fail: (202) [system] char_type('A', cntrl)
^  Fail: (201) [user] is_like_space('A')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _444636)
   Exit: (200) [system] get_char((0x55772f068e50), 'A')
   Call: (200) [system] 'A'='('
   Fail: (200) [system] 'A'='('
   Call: (200) [system] 'A'='['
   Fail: (200) [system] 'A'='['
   Call: (200) [system] 'A'='{'
   Fail: (200) [system] 'A'='{'
   Call: (200) [system] 'A'='"'
   Fail: (200) [system] 'A'='"'
   Call: (200) [system] 'A'=!
   Fail: (200) [system] 'A'=!
   Call: (200) [system] 'A'='\''
   Fail: (200) [system] 'A'='\''
   Call: (200) [system] 'A'='`'
   Fail: (200) [system] 'A'='`'
   Call: (200) [system] 'A'=end_of_file
   Fail: (200) [system] 'A'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), 'A', _426768)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _462278)
   Call: (202) [system] peek_char((0x55772f068e50), _463212)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _462278=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (201) [user] classify_and_convert_charseq(['A'], _426768)
^  Call: (202) [user] classify_and_convert_charseq_(['A'], _472496)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_473448, _473450), once(user:catch(read_from_chars(['A'], _472496), _473430, fail)), '$restore_trace'(_473448, _473450))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_473448, _473450))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _472496), _473430, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_472496)
   Fail: (203) [system] atomic(_472496)
   Call: (203) [system] atom_chars(_472496, ['A'])
   Exit: (203) [system] atom_chars('A', ['A'])
^  Exit: (202) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (202) [system] integer('A')
   Fail: (202) [system] integer('A')
   Call: (202) [system] _426768='A'
   Exit: (202) [system] 'A'='A'
^  Exit: (201) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (199) [user] read_list(')', (0x55772f068e50), _487446)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _489304)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _498898)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _501602)
   Exit: (202) [system] peek_char((0x55772f068e50), 'B')
   Call: (202) [system] 'B'=(;)
   Fail: (202) [system] 'B'=(;)
   Call: (202) [system] 'B'=(/)
   Fail: (202) [system] 'B'=(/)
^  Call: (202) [user] is_like_space('B')
   Call: (203) [system] char_type('B', 'white')
   Fail: (203) [system] char_type('B', 'white')
   Call: (203) [system] char_type('B', end_of_line)
   Fail: (203) [system] char_type('B', end_of_line)
   Call: (203) [system] char_type('B', space)
   Fail: (203) [system] char_type('B', space)
   Call: (203) [system] char_type('B', cntrl)
   Fail: (203) [system] char_type('B', cntrl)
^  Fail: (202) [user] is_like_space('B')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _518536)
   Exit: (200) [system] peek_char((0x55772f068e50), 'B')
   Call: (200) [system] 'B'=')'
   Fail: (200) [system] 'B'=')'
   Call: (200) [system] 'B'=end_of_file
   Fail: (200) [system] 'B'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _524106)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _525964)
   Exit: (202) [system] peek_char((0x55772f068e50), 'B')
   Call: (202) [system] 'B'=(;)
   Fail: (202) [system] 'B'=(;)
   Call: (202) [system] 'B'=(/)
   Fail: (202) [system] 'B'=(/)
^  Call: (202) [user] is_like_space('B')
   Call: (203) [system] char_type('B', 'white')
   Fail: (203) [system] char_type('B', 'white')
   Call: (203) [system] char_type('B', end_of_line)
   Fail: (203) [system] char_type('B', end_of_line)
   Call: (203) [system] char_type('B', space)
   Fail: (203) [system] char_type('B', space)
   Call: (203) [system] char_type('B', cntrl)
   Fail: (203) [system] char_type('B', cntrl)
^  Fail: (202) [user] is_like_space('B')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _541974)
   Exit: (201) [system] get_char((0x55772f068e50), 'B')
   Call: (201) [system] 'B'='('
   Fail: (201) [system] 'B'='('
   Call: (201) [system] 'B'='['
   Fail: (201) [system] 'B'='['
   Call: (201) [system] 'B'='{'
   Fail: (201) [system] 'B'='{'
   Call: (201) [system] 'B'='"'
   Fail: (201) [system] 'B'='"'
   Call: (201) [system] 'B'=!
   Fail: (201) [system] 'B'=!
   Call: (201) [system] 'B'='\''
   Fail: (201) [system] 'B'='\''
   Call: (201) [system] 'B'='`'
   Fail: (201) [system] 'B'='`'
   Call: (201) [system] 'B'=end_of_file
   Fail: (201) [system] 'B'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), 'B', _524106)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _559616)
   Call: (203) [system] peek_char((0x55772f068e50), _560550)
   Exit: (203) [system] peek_char((0x55772f068e50), ')')
^  Call: (203) [user] is_delimiter(')')
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] arg(_565270, v('(', ')', end_of_file), ')')
   Exit: (204) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (203) [user] is_delimiter(')')
   Call: (203) [system] _559616=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (202) [user] classify_and_convert_charseq(['B'], _524106)
^  Call: (203) [user] classify_and_convert_charseq_(['B'], _571706)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_572658, _572660), once(user:catch(read_from_chars(['B'], _571706), _572640, fail)), '$restore_trace'(_572658, _572660))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_572658, _572660))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _571706), _572640, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_571706)
   Fail: (204) [system] atomic(_571706)
   Call: (204) [system] atom_chars(_571706, ['B'])
   Exit: (204) [system] atom_chars('B', ['B'])
^  Exit: (203) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (203) [system] integer('B')
   Fail: (203) [system] integer('B')
   Call: (203) [system] _524106='B'
   Exit: (203) [system] 'B'='B'
^  Exit: (202) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (200) [user] read_list(')', (0x55772f068e50), _586656)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _588514)
   Exit: (202) [system] peek_char((0x55772f068e50), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _604524)
   Exit: (201) [system] peek_char((0x55772f068e50), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x55772f068e50), _608314)
   Exit: (201) [system] get_char((0x55772f068e50), ')')
   Call: (201) [system] _586656=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [])
   Call: (200) [system] _487446=['B']
   Exit: (200) [system] ['B']=['B']
^  Exit: (199) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (199) [system] _390108=['A', 'B']
   Exit: (199) [system] ['A', 'B']=['A', 'B']
^  Exit: (198) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (198) [system] _184032=['AndLink', 'A', 'B']
   Exit: (198) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (197) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (196) [user] read_list(')', (0x55772f068e50), _622196)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _624054)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _633648)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _636352)
   Exit: (199) [system] peek_char((0x55772f068e50), 'C')
   Call: (199) [system] 'C'=(;)
   Fail: (199) [system] 'C'=(;)
   Call: (199) [system] 'C'=(/)
   Fail: (199) [system] 'C'=(/)
^  Call: (199) [user] is_like_space('C')
   Call: (200) [system] char_type('C', 'white')
   Fail: (200) [system] char_type('C', 'white')
   Call: (200) [system] char_type('C', end_of_line)
   Fail: (200) [system] char_type('C', end_of_line)
   Call: (200) [system] char_type('C', space)
   Fail: (200) [system] char_type('C', space)
   Call: (200) [system] char_type('C', cntrl)
   Fail: (200) [system] char_type('C', cntrl)
^  Fail: (199) [user] is_like_space('C')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _653286)
   Exit: (197) [system] peek_char((0x55772f068e50), 'C')
   Call: (197) [system] 'C'=')'
   Fail: (197) [system] 'C'=')'
   Call: (197) [system] 'C'=end_of_file
   Fail: (197) [system] 'C'=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _658856)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _660714)
   Exit: (199) [system] peek_char((0x55772f068e50), 'C')
   Call: (199) [system] 'C'=(;)
   Fail: (199) [system] 'C'=(;)
   Call: (199) [system] 'C'=(/)
   Fail: (199) [system] 'C'=(/)
^  Call: (199) [user] is_like_space('C')
   Call: (200) [system] char_type('C', 'white')
   Fail: (200) [system] char_type('C', 'white')
   Call: (200) [system] char_type('C', end_of_line)
   Fail: (200) [system] char_type('C', end_of_line)
   Call: (200) [system] char_type('C', space)
   Fail: (200) [system] char_type('C', space)
   Call: (200) [system] char_type('C', cntrl)
   Fail: (200) [system] char_type('C', cntrl)
^  Fail: (199) [user] is_like_space('C')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _676724)
   Exit: (198) [system] get_char((0x55772f068e50), 'C')
   Call: (198) [system] 'C'='('
   Fail: (198) [system] 'C'='('
   Call: (198) [system] 'C'='['
   Fail: (198) [system] 'C'='['
   Call: (198) [system] 'C'='{'
   Fail: (198) [system] 'C'='{'
   Call: (198) [system] 'C'='"'
   Fail: (198) [system] 'C'='"'
   Call: (198) [system] 'C'=!
   Fail: (198) [system] 'C'=!
   Call: (198) [system] 'C'='\''
   Fail: (198) [system] 'C'='\''
   Call: (198) [system] 'C'='`'
   Fail: (198) [system] 'C'='`'
   Call: (198) [system] 'C'=end_of_file
   Fail: (198) [system] 'C'=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x55772f068e50), 'C', _658856)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _694366)
   Call: (200) [system] peek_char((0x55772f068e50), _695300)
   Exit: (200) [system] peek_char((0x55772f068e50), ')')
^  Call: (200) [user] is_delimiter(')')
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] arg(_700020, v('(', ')', end_of_file), ')')
   Exit: (201) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (200) [user] is_delimiter(')')
   Call: (200) [system] _694366=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (199) [user] classify_and_convert_charseq(['C'], _658856)
^  Call: (200) [user] classify_and_convert_charseq_(['C'], _706456)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_707408, _707410), once(user:catch(read_from_chars(['C'], _706456), _707390, fail)), '$restore_trace'(_707408, _707410))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_707408, _707410))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _706456), _707390, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(_706456)
   Fail: (201) [system] atomic(_706456)
   Call: (201) [system] atom_chars(_706456, ['C'])
   Exit: (201) [system] atom_chars('C', ['C'])
^  Exit: (200) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (200) [system] integer('C')
   Fail: (200) [system] integer('C')
   Call: (200) [system] _658856='C'
   Exit: (200) [system] 'C'='C'
^  Exit: (199) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (198) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (197) [user] read_list(')', (0x55772f068e50), _721406)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _723264)
   Exit: (199) [system] peek_char((0x55772f068e50), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _739274)
   Exit: (198) [system] peek_char((0x55772f068e50), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x55772f068e50), _743064)
   Exit: (198) [system] get_char((0x55772f068e50), ')')
   Call: (198) [system] _721406=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [])
   Call: (197) [system] _622196=['C']
   Exit: (197) [system] ['C']=['C']
^  Exit: (196) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (196) [system] _147372=[['AndLink', 'A', 'B'], 'C']
   Exit: (196) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (195) [system] _3408=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (195) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (194) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (193) [user] read_list(')', (0x55772f068e50), _756946)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _758804)
   Exit: (195) [system] peek_char((0x55772f068e50), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _774814)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x55772f068e50), _778604)
   Exit: (194) [system] get_char((0x55772f068e50), ')')
   Call: (194) [system] _756946=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [])
   Call: (193) [system] _3404=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (193) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (192) [system] _3398=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (192) [system] [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (191) [system] _3390=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (191) [system] [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (190) [user] read_list(')', (0x55772f068e50), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (189) [user] cont_sexpr(')', (0x55772f068e50), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (189) [user] read_list(')', (0x55772f068e50), _792486)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _794344)
   Exit: (191) [system] peek_char((0x55772f068e50), '\n')
   Call: (191) [system] '\n'=(;)
   Fail: (191) [system] '\n'=(;)
   Call: (191) [system] '\n'=(/)
   Fail: (191) [system] '\n'=(/)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Fail: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x55772f068e50), _805794)
   Exit: (191) [system] get_char((0x55772f068e50), '\n')
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _808498)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x55772f068e50), _818092)
   Exit: (192) [system] get_char((0x55772f068e50), ' ')
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _820796)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _830390)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _833094)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _842688)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _845392)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _854986)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _857690)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _867284)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _869988)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _879582)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _882286)
   Exit: (198) [system] peek_char((0x55772f068e50), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _904764)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x55772f068e50), _910334)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _912192)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] get_char((0x55772f068e50), _928202)
   Exit: (191) [system] get_char((0x55772f068e50), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x55772f068e50), _910334)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _933772)
   Exit: (193) [system] peek_char((0x55772f068e50), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
   Call: (193) [system] (:)=(/)
   Fail: (193) [system] (:)=(/)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _949782)
   Exit: (192) [system] peek_char((0x55772f068e50), :)
   Call: (192) [system] (:)=')'
   Fail: (192) [system] (:)=')'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _955352)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _957210)
   Exit: (194) [system] peek_char((0x55772f068e50), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _973220)
   Exit: (193) [system] get_char((0x55772f068e50), :)
   Call: (193) [system] (:)='('
   Fail: (193) [system] (:)='('
   Call: (193) [system] (:)='['
   Fail: (193) [system] (:)='['
   Call: (193) [system] (:)='{'
   Fail: (193) [system] (:)='{'
   Call: (193) [system] (:)='"'
   Fail: (193) [system] (:)='"'
   Call: (193) [system] (:)=!
   Fail: (193) [system] (:)=!
   Call: (193) [system] (:)='\''
   Fail: (193) [system] (:)='\''
   Call: (193) [system] (:)='`'
   Fail: (193) [system] (:)='`'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x55772f068e50), :, _955352)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _990862)
   Call: (195) [system] peek_char((0x55772f068e50), _991796)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _990862=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (194) [user] classify_and_convert_charseq([:], _955352)
^  Call: (195) [user] classify_and_convert_charseq_([:], _1001080)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1002032, _1002034), once(user:catch(read_from_chars([:], _1001080), _1002014, fail)), '$restore_trace'(_1002032, _1002034))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1002032, _1002034))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1002014, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(:)
   Exit: (196) [system] atomic(:)
^  Exit: (195) [user] classify_and_convert_charseq_([:], :)
   Call: (195) [system] integer(:)
   Fail: (195) [system] integer(:)
   Call: (195) [system] _955352=(:)
   Exit: (195) [system] (:)=(:)
^  Exit: (194) [user] classify_and_convert_charseq([:], :)
^  Exit: (193) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (192) [user] read_list(')', (0x55772f068e50), _1014160)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1016018)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _1025612)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1028316)
   Exit: (195) [system] peek_char((0x55772f068e50), a)
   Call: (195) [system] a=(;)
   Fail: (195) [system] a=(;)
   Call: (195) [system] a=(/)
   Fail: (195) [system] a=(/)
^  Call: (195) [user] is_like_space(a)
   Call: (196) [system] char_type(a, 'white')
   Fail: (196) [system] char_type(a, 'white')
   Call: (196) [system] char_type(a, end_of_line)
   Fail: (196) [system] char_type(a, end_of_line)
   Call: (196) [system] char_type(a, space)
   Fail: (196) [system] char_type(a, space)
   Call: (196) [system] char_type(a, cntrl)
   Fail: (196) [system] char_type(a, cntrl)
^  Fail: (195) [user] is_like_space(a)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1045250)
   Exit: (193) [system] peek_char((0x55772f068e50), a)
   Call: (193) [system] a=')'
   Fail: (193) [system] a=')'
   Call: (193) [system] a=end_of_file
   Fail: (193) [system] a=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _1050820)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1052678)
   Exit: (195) [system] peek_char((0x55772f068e50), a)
   Call: (195) [system] a=(;)
   Fail: (195) [system] a=(;)
   Call: (195) [system] a=(/)
   Fail: (195) [system] a=(/)
^  Call: (195) [user] is_like_space(a)
   Call: (196) [system] char_type(a, 'white')
   Fail: (196) [system] char_type(a, 'white')
   Call: (196) [system] char_type(a, end_of_line)
   Fail: (196) [system] char_type(a, end_of_line)
   Call: (196) [system] char_type(a, space)
   Fail: (196) [system] char_type(a, space)
   Call: (196) [system] char_type(a, cntrl)
   Fail: (196) [system] char_type(a, cntrl)
^  Fail: (195) [user] is_like_space(a)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _1068688)
   Exit: (194) [system] get_char((0x55772f068e50), a)
   Call: (194) [system] a='('
   Fail: (194) [system] a='('
   Call: (194) [system] a='['
   Fail: (194) [system] a='['
   Call: (194) [system] a='{'
   Fail: (194) [system] a='{'
   Call: (194) [system] a='"'
   Fail: (194) [system] a='"'
   Call: (194) [system] a=!
   Fail: (194) [system] a=!
   Call: (194) [system] a='\''
   Fail: (194) [system] a='\''
   Call: (194) [system] a='`'
   Fail: (194) [system] a='`'
   Call: (194) [system] a=end_of_file
   Fail: (194) [system] a=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x55772f068e50), a, _1050820)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _1086330)
   Call: (196) [system] peek_char((0x55772f068e50), _1087264)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1086330=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (195) [user] classify_and_convert_charseq([a], _1050820)
^  Call: (196) [user] classify_and_convert_charseq_([a], _1096548)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1097500, _1097502), once(user:catch(read_from_chars([a], _1096548), _1097482, fail)), '$restore_trace'(_1097500, _1097502))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1097500, _1097502))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1097482, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(a)
   Exit: (197) [system] atomic(a)
^  Exit: (196) [user] classify_and_convert_charseq_([a], a)
   Call: (196) [system] integer(a)
   Fail: (196) [system] integer(a)
   Call: (196) [system] _1050820=a
   Exit: (196) [system] a=a
^  Exit: (195) [user] classify_and_convert_charseq([a], a)
^  Exit: (194) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (193) [user] read_list(')', (0x55772f068e50), _1109628)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1111486)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _1121080)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1123784)
   Exit: (196) [system] peek_char((0x55772f068e50), 'A')
   Call: (196) [system] 'A'=(;)
   Fail: (196) [system] 'A'=(;)
   Call: (196) [system] 'A'=(/)
   Fail: (196) [system] 'A'=(/)
^  Call: (196) [user] is_like_space('A')
   Call: (197) [system] char_type('A', 'white')
   Fail: (197) [system] char_type('A', 'white')
   Call: (197) [system] char_type('A', end_of_line)
   Fail: (197) [system] char_type('A', end_of_line)
   Call: (197) [system] char_type('A', space)
   Fail: (197) [system] char_type('A', space)
   Call: (197) [system] char_type('A', cntrl)
   Fail: (197) [system] char_type('A', cntrl)
^  Fail: (196) [user] is_like_space('A')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1140718)
   Exit: (194) [system] peek_char((0x55772f068e50), 'A')
   Call: (194) [system] 'A'=')'
   Fail: (194) [system] 'A'=')'
   Call: (194) [system] 'A'=end_of_file
   Fail: (194) [system] 'A'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _1146288)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1148146)
   Exit: (196) [system] peek_char((0x55772f068e50), 'A')
   Call: (196) [system] 'A'=(;)
   Fail: (196) [system] 'A'=(;)
   Call: (196) [system] 'A'=(/)
   Fail: (196) [system] 'A'=(/)
^  Call: (196) [user] is_like_space('A')
   Call: (197) [system] char_type('A', 'white')
   Fail: (197) [system] char_type('A', 'white')
   Call: (197) [system] char_type('A', end_of_line)
   Fail: (197) [system] char_type('A', end_of_line)
   Call: (197) [system] char_type('A', space)
   Fail: (197) [system] char_type('A', space)
   Call: (197) [system] char_type('A', cntrl)
   Fail: (197) [system] char_type('A', cntrl)
^  Fail: (196) [user] is_like_space('A')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _1164156)
   Exit: (195) [system] get_char((0x55772f068e50), 'A')
   Call: (195) [system] 'A'='('
   Fail: (195) [system] 'A'='('
   Call: (195) [system] 'A'='['
   Fail: (195) [system] 'A'='['
   Call: (195) [system] 'A'='{'
   Fail: (195) [system] 'A'='{'
   Call: (195) [system] 'A'='"'
   Fail: (195) [system] 'A'='"'
   Call: (195) [system] 'A'=!
   Fail: (195) [system] 'A'=!
   Call: (195) [system] 'A'='\''
   Fail: (195) [system] 'A'='\''
   Call: (195) [system] 'A'='`'
   Fail: (195) [system] 'A'='`'
   Call: (195) [system] 'A'=end_of_file
   Fail: (195) [system] 'A'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x55772f068e50), 'A', _1146288)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1181798)
   Call: (197) [system] peek_char((0x55772f068e50), _1182732)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_1187452, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _1181798=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (196) [user] classify_and_convert_charseq(['A'], _1146288)
^  Call: (197) [user] classify_and_convert_charseq_(['A'], _1193888)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1194840, _1194842), once(user:catch(read_from_chars(['A'], _1193888), _1194822, fail)), '$restore_trace'(_1194840, _1194842))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1194840, _1194842))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1193888), _1194822, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_1193888)
   Fail: (198) [system] atomic(_1193888)
   Call: (198) [system] atom_chars(_1193888, ['A'])
   Exit: (198) [system] atom_chars('A', ['A'])
^  Exit: (197) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (197) [system] integer('A')
   Fail: (197) [system] integer('A')
   Call: (197) [system] _1146288='A'
   Exit: (197) [system] 'A'='A'
^  Exit: (196) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (195) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (194) [user] read_list(')', (0x55772f068e50), _1208838)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1210696)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1226706)
   Exit: (195) [system] peek_char((0x55772f068e50), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x55772f068e50), _1230496)
   Exit: (195) [system] get_char((0x55772f068e50), ')')
   Call: (195) [system] _1208838=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [])
   Call: (194) [system] _1109628=['A']
   Exit: (194) [system] ['A']=['A']
^  Exit: (193) [user] read_list(')', (0x55772f068e50), ['A'])
   Call: (193) [system] _1014160=[a, 'A']
   Exit: (193) [system] [a, 'A']=[a, 'A']
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [a, 'A'])
   Call: (192) [system] _910334=[:, a, 'A']
   Exit: (192) [system] [:, a, 'A']=[:, a, 'A']
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [:, a, 'A'])
^  Exit: (190) [user] cont_sexpr(')', (0x55772f068e50), [:, a, 'A'])
^  Call: (190) [user] read_list(')', (0x55772f068e50), _1244378)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1246236)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x55772f068e50), _1255830)
   Exit: (192) [system] get_char((0x55772f068e50), ' ')
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1258534)
   Exit: (193) [system] peek_char((0x55772f068e50), '\n')
   Call: (193) [system] '\n'=(;)
   Fail: (193) [system] '\n'=(;)
   Call: (193) [system] '\n'=(/)
   Fail: (193) [system] '\n'=(/)
^  Call: (193) [user] is_like_space('\n')
   Call: (194) [system] char_type('\n', 'white')
   Fail: (194) [system] char_type('\n', 'white')
   Call: (194) [system] char_type('\n', end_of_line)
   Exit: (194) [system] char_type('\n', end_of_line)
^  Exit: (193) [user] is_like_space('\n')
   Call: (193) [system] get_char((0x55772f068e50), _1269984)
   Exit: (193) [system] get_char((0x55772f068e50), '\n')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1272688)
   Exit: (194) [system] peek_char((0x55772f068e50), '\t')
   Call: (194) [system] '\t'=(;)
   Fail: (194) [system] '\t'=(;)
   Call: (194) [system] '\t'=(/)
   Fail: (194) [system] '\t'=(/)
^  Call: (194) [user] is_like_space('\t')
   Call: (195) [system] char_type('\t', 'white')
   Exit: (195) [system] char_type('\t', 'white')
^  Exit: (194) [user] is_like_space('\t')
   Call: (194) [system] get_char((0x55772f068e50), _1282282)
   Exit: (194) [system] get_char((0x55772f068e50), '\t')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1284986)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _1294580)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1297284)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _1306878)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1309582)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1330212)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x55772f068e50), _1335782)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1337640)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] get_char((0x55772f068e50), _1353650)
   Exit: (192) [system] get_char((0x55772f068e50), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x55772f068e50), _1335782)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1359220)
   Exit: (194) [system] peek_char((0x55772f068e50), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1375230)
   Exit: (193) [system] peek_char((0x55772f068e50), :)
   Call: (193) [system] (:)=')'
   Fail: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _1380800)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1382658)
   Exit: (195) [system] peek_char((0x55772f068e50), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _1398668)
   Exit: (194) [system] get_char((0x55772f068e50), :)
   Call: (194) [system] (:)='('
   Fail: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Fail: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Fail: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Fail: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Fail: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Fail: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Fail: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x55772f068e50), :, _1380800)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _1416310)
   Call: (196) [system] peek_char((0x55772f068e50), _1417244)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1416310=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (195) [user] classify_and_convert_charseq([:], _1380800)
^  Call: (196) [user] classify_and_convert_charseq_([:], _1426528)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1427480, _1427482), once(user:catch(read_from_chars([:], _1426528), _1427462, fail)), '$restore_trace'(_1427480, _1427482))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1427480, _1427482))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1427462, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq_([:], :)
   Call: (196) [system] integer(:)
   Fail: (196) [system] integer(:)
   Call: (196) [system] _1380800=(:)
   Exit: (196) [system] (:)=(:)
^  Exit: (195) [user] classify_and_convert_charseq([:], :)
^  Exit: (194) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (193) [user] read_list(')', (0x55772f068e50), _1439608)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1441466)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _1451060)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1453764)
   Exit: (196) [system] peek_char((0x55772f068e50), a)
   Call: (196) [system] a=(;)
   Fail: (196) [system] a=(;)
   Call: (196) [system] a=(/)
   Fail: (196) [system] a=(/)
^  Call: (196) [user] is_like_space(a)
   Call: (197) [system] char_type(a, 'white')
   Fail: (197) [system] char_type(a, 'white')
   Call: (197) [system] char_type(a, end_of_line)
   Fail: (197) [system] char_type(a, end_of_line)
   Call: (197) [system] char_type(a, space)
   Fail: (197) [system] char_type(a, space)
   Call: (197) [system] char_type(a, cntrl)
   Fail: (197) [system] char_type(a, cntrl)
^  Fail: (196) [user] is_like_space(a)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1470698)
   Exit: (194) [system] peek_char((0x55772f068e50), a)
   Call: (194) [system] a=')'
   Fail: (194) [system] a=')'
   Call: (194) [system] a=end_of_file
   Fail: (194) [system] a=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _1476268)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1478126)
   Exit: (196) [system] peek_char((0x55772f068e50), a)
   Call: (196) [system] a=(;)
   Fail: (196) [system] a=(;)
   Call: (196) [system] a=(/)
   Fail: (196) [system] a=(/)
^  Call: (196) [user] is_like_space(a)
   Call: (197) [system] char_type(a, 'white')
   Fail: (197) [system] char_type(a, 'white')
   Call: (197) [system] char_type(a, end_of_line)
   Fail: (197) [system] char_type(a, end_of_line)
   Call: (197) [system] char_type(a, space)
   Fail: (197) [system] char_type(a, space)
   Call: (197) [system] char_type(a, cntrl)
   Fail: (197) [system] char_type(a, cntrl)
^  Fail: (196) [user] is_like_space(a)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _1494136)
   Exit: (195) [system] get_char((0x55772f068e50), a)
   Call: (195) [system] a='('
   Fail: (195) [system] a='('
   Call: (195) [system] a='['
   Fail: (195) [system] a='['
   Call: (195) [system] a='{'
   Fail: (195) [system] a='{'
   Call: (195) [system] a='"'
   Fail: (195) [system] a='"'
   Call: (195) [system] a=!
   Fail: (195) [system] a=!
   Call: (195) [system] a='\''
   Fail: (195) [system] a='\''
   Call: (195) [system] a='`'
   Fail: (195) [system] a='`'
   Call: (195) [system] a=end_of_file
   Fail: (195) [system] a=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x55772f068e50), a, _1476268)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1511778)
   Call: (197) [system] peek_char((0x55772f068e50), _1512712)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1511778=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (196) [user] classify_and_convert_charseq([a], _1476268)
^  Call: (197) [user] classify_and_convert_charseq_([a], _1521996)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1522948, _1522950), once(user:catch(read_from_chars([a], _1521996), _1522930, fail)), '$restore_trace'(_1522948, _1522950))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1522948, _1522950))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1522930, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(a)
   Exit: (198) [system] atomic(a)
^  Exit: (197) [user] classify_and_convert_charseq_([a], a)
   Call: (197) [system] integer(a)
   Fail: (197) [system] integer(a)
   Call: (197) [system] _1476268=a
   Exit: (197) [system] a=a
^  Exit: (196) [user] classify_and_convert_charseq([a], a)
^  Exit: (195) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (194) [user] read_list(')', (0x55772f068e50), _1535076)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1536934)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _1546528)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1549232)
   Exit: (197) [system] peek_char((0x55772f068e50), 'B')
   Call: (197) [system] 'B'=(;)
   Fail: (197) [system] 'B'=(;)
   Call: (197) [system] 'B'=(/)
   Fail: (197) [system] 'B'=(/)
^  Call: (197) [user] is_like_space('B')
   Call: (198) [system] char_type('B', 'white')
   Fail: (198) [system] char_type('B', 'white')
   Call: (198) [system] char_type('B', end_of_line)
   Fail: (198) [system] char_type('B', end_of_line)
   Call: (198) [system] char_type('B', space)
   Fail: (198) [system] char_type('B', space)
   Call: (198) [system] char_type('B', cntrl)
   Fail: (198) [system] char_type('B', cntrl)
^  Fail: (197) [user] is_like_space('B')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1566166)
   Exit: (195) [system] peek_char((0x55772f068e50), 'B')
   Call: (195) [system] 'B'=')'
   Fail: (195) [system] 'B'=')'
   Call: (195) [system] 'B'=end_of_file
   Fail: (195) [system] 'B'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _1571736)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1573594)
   Exit: (197) [system] peek_char((0x55772f068e50), 'B')
   Call: (197) [system] 'B'=(;)
   Fail: (197) [system] 'B'=(;)
   Call: (197) [system] 'B'=(/)
   Fail: (197) [system] 'B'=(/)
^  Call: (197) [user] is_like_space('B')
   Call: (198) [system] char_type('B', 'white')
   Fail: (198) [system] char_type('B', 'white')
   Call: (198) [system] char_type('B', end_of_line)
   Fail: (198) [system] char_type('B', end_of_line)
   Call: (198) [system] char_type('B', space)
   Fail: (198) [system] char_type('B', space)
   Call: (198) [system] char_type('B', cntrl)
   Fail: (198) [system] char_type('B', cntrl)
^  Fail: (197) [user] is_like_space('B')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _1589604)
   Exit: (196) [system] get_char((0x55772f068e50), 'B')
   Call: (196) [system] 'B'='('
   Fail: (196) [system] 'B'='('
   Call: (196) [system] 'B'='['
   Fail: (196) [system] 'B'='['
   Call: (196) [system] 'B'='{'
   Fail: (196) [system] 'B'='{'
   Call: (196) [system] 'B'='"'
   Fail: (196) [system] 'B'='"'
   Call: (196) [system] 'B'=!
   Fail: (196) [system] 'B'=!
   Call: (196) [system] 'B'='\''
   Fail: (196) [system] 'B'='\''
   Call: (196) [system] 'B'='`'
   Fail: (196) [system] 'B'='`'
   Call: (196) [system] 'B'=end_of_file
   Fail: (196) [system] 'B'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x55772f068e50), 'B', _1571736)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1607246)
   Call: (198) [system] peek_char((0x55772f068e50), _1608180)
   Exit: (198) [system] peek_char((0x55772f068e50), ')')
^  Call: (198) [user] is_delimiter(')')
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] arg(_1612900, v('(', ')', end_of_file), ')')
   Exit: (199) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (198) [user] is_delimiter(')')
   Call: (198) [system] _1607246=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (197) [user] classify_and_convert_charseq(['B'], _1571736)
^  Call: (198) [user] classify_and_convert_charseq_(['B'], _1619336)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_1620288, _1620290), once(user:catch(read_from_chars(['B'], _1619336), _1620270, fail)), '$restore_trace'(_1620288, _1620290))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_1620288, _1620290))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1619336), _1620270, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(_1619336)
   Fail: (199) [system] atomic(_1619336)
   Call: (199) [system] atom_chars(_1619336, ['B'])
   Exit: (199) [system] atom_chars('B', ['B'])
^  Exit: (198) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (198) [system] integer('B')
   Fail: (198) [system] integer('B')
   Call: (198) [system] _1571736='B'
   Exit: (198) [system] 'B'='B'
^  Exit: (197) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (196) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (195) [user] read_list(')', (0x55772f068e50), _1634286)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1636144)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1652154)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x55772f068e50), _1655944)
   Exit: (196) [system] get_char((0x55772f068e50), ')')
   Call: (196) [system] _1634286=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [])
   Call: (195) [system] _1535076=['B']
   Exit: (195) [system] ['B']=['B']
^  Exit: (194) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (194) [system] _1439608=[a, 'B']
   Exit: (194) [system] [a, 'B']=[a, 'B']
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [a, 'B'])
   Call: (193) [system] _1335782=[:, a, 'B']
   Exit: (193) [system] [:, a, 'B']=[:, a, 'B']
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [:, a, 'B'])
^  Exit: (191) [user] cont_sexpr(')', (0x55772f068e50), [:, a, 'B'])
^  Call: (191) [user] read_list(')', (0x55772f068e50), _1669826)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1671684)
   Exit: (193) [system] peek_char((0x55772f068e50), '\n')
   Call: (193) [system] '\n'=(;)
   Fail: (193) [system] '\n'=(;)
   Call: (193) [system] '\n'=(/)
   Fail: (193) [system] '\n'=(/)
^  Call: (193) [user] is_like_space('\n')
   Call: (194) [system] char_type('\n', 'white')
   Fail: (194) [system] char_type('\n', 'white')
   Call: (194) [system] char_type('\n', end_of_line)
   Exit: (194) [system] char_type('\n', end_of_line)
^  Exit: (193) [user] is_like_space('\n')
   Call: (193) [system] get_char((0x55772f068e50), _1683134)
   Exit: (193) [system] get_char((0x55772f068e50), '\n')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1685838)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _1695432)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1698136)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _1707730)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1710434)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _1720028)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1722732)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _1732326)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1735030)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _1744624)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1747328)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _1756922)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1759626)
   Exit: (200) [system] peek_char((0x55772f068e50), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1782104)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _1787674)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1789532)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _1805542)
   Exit: (193) [system] get_char((0x55772f068e50), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x55772f068e50), _1787674)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1811112)
   Exit: (195) [system] peek_char((0x55772f068e50), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1827122)
   Exit: (194) [system] peek_char((0x55772f068e50), :)
   Call: (194) [system] (:)=')'
   Fail: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _1832692)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1834550)
   Exit: (196) [system] peek_char((0x55772f068e50), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _1850560)
   Exit: (195) [system] get_char((0x55772f068e50), :)
   Call: (195) [system] (:)='('
   Fail: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Fail: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Fail: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Fail: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Fail: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Fail: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Fail: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x55772f068e50), :, _1832692)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1868202)
   Call: (197) [system] peek_char((0x55772f068e50), _1869136)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1868202=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (196) [user] classify_and_convert_charseq([:], _1832692)
^  Call: (197) [user] classify_and_convert_charseq_([:], _1878420)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1879372, _1879374), once(user:catch(read_from_chars([:], _1878420), _1879354, fail)), '$restore_trace'(_1879372, _1879374))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1879372, _1879374))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1879354, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq_([:], :)
   Call: (197) [system] integer(:)
   Fail: (197) [system] integer(:)
   Call: (197) [system] _1832692=(:)
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] classify_and_convert_charseq([:], :)
^  Exit: (195) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (194) [user] read_list(')', (0x55772f068e50), _1891500)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1893358)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _1902952)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1905656)
   Exit: (197) [system] peek_char((0x55772f068e50), c)
   Call: (197) [system] c=(;)
   Fail: (197) [system] c=(;)
   Call: (197) [system] c=(/)
   Fail: (197) [system] c=(/)
^  Call: (197) [user] is_like_space(c)
   Call: (198) [system] char_type(c, 'white')
   Fail: (198) [system] char_type(c, 'white')
   Call: (198) [system] char_type(c, end_of_line)
   Fail: (198) [system] char_type(c, end_of_line)
   Call: (198) [system] char_type(c, space)
   Fail: (198) [system] char_type(c, space)
   Call: (198) [system] char_type(c, cntrl)
   Fail: (198) [system] char_type(c, cntrl)
^  Fail: (197) [user] is_like_space(c)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1922590)
   Exit: (195) [system] peek_char((0x55772f068e50), c)
   Call: (195) [system] c=')'
   Fail: (195) [system] c=')'
   Call: (195) [system] c=end_of_file
   Fail: (195) [system] c=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _1928160)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1930018)
   Exit: (197) [system] peek_char((0x55772f068e50), c)
   Call: (197) [system] c=(;)
   Fail: (197) [system] c=(;)
   Call: (197) [system] c=(/)
   Fail: (197) [system] c=(/)
^  Call: (197) [user] is_like_space(c)
   Call: (198) [system] char_type(c, 'white')
   Fail: (198) [system] char_type(c, 'white')
   Call: (198) [system] char_type(c, end_of_line)
   Fail: (198) [system] char_type(c, end_of_line)
   Call: (198) [system] char_type(c, space)
   Fail: (198) [system] char_type(c, space)
   Call: (198) [system] char_type(c, cntrl)
   Fail: (198) [system] char_type(c, cntrl)
^  Fail: (197) [user] is_like_space(c)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _1946028)
   Exit: (196) [system] get_char((0x55772f068e50), c)
   Call: (196) [system] c='('
   Fail: (196) [system] c='('
   Call: (196) [system] c='['
   Fail: (196) [system] c='['
   Call: (196) [system] c='{'
   Fail: (196) [system] c='{'
   Call: (196) [system] c='"'
   Fail: (196) [system] c='"'
   Call: (196) [system] c=!
   Fail: (196) [system] c=!
   Call: (196) [system] c='\''
   Fail: (196) [system] c='\''
   Call: (196) [system] c='`'
   Fail: (196) [system] c='`'
   Call: (196) [system] c=end_of_file
   Fail: (196) [system] c=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x55772f068e50), c, _1928160)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1963670)
   Call: (198) [system] peek_char((0x55772f068e50), _1964604)
   Exit: (198) [system] peek_char((0x55772f068e50), d)
^  Call: (198) [user] is_delimiter(d)
   Call: (199) [system] char_type(d, space)
   Fail: (199) [system] char_type(d, space)
   Call: (199) [system] arg(_1969324, v('(', ')', end_of_file), d)
   Fail: (199) [system] arg(_1970256, v('(', ')', end_of_file), d)
^  Fail: (198) [user] is_delimiter(d)
   Call: (198) [system] ')'==d
   Fail: (198) [system] ')'==d
   Call: (198) [system] get_char((0x55772f068e50), d)
   Exit: (198) [system] get_char((0x55772f068e50), d)
   Call: (198) [system] d=(\)
   Fail: (198) [system] d=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1977606)
   Call: (199) [system] peek_char((0x55772f068e50), _1978540)
   Exit: (199) [system] peek_char((0x55772f068e50), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Fail: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_1983260, v('(', ')', end_of_file), e)
   Fail: (200) [system] arg(_1984192, v('(', ')', end_of_file), e)
^  Fail: (199) [user] is_delimiter(e)
   Call: (199) [system] ')'==e
   Fail: (199) [system] ')'==e
   Call: (199) [system] get_char((0x55772f068e50), e)
   Exit: (199) [system] get_char((0x55772f068e50), e)
   Call: (199) [system] e=(\)
   Fail: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1991542)
   Call: (200) [system] peek_char((0x55772f068e50), _1992476)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _1991542=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (199) [system] _1977606=[e]
   Exit: (199) [system] [e]=[e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (198) [system] _1963670=[d, e]
   Exit: (198) [system] [d, e]=[d, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [d, e])
^  Call: (197) [user] classify_and_convert_charseq([c, d, e], _1928160)
^  Call: (198) [user] classify_and_convert_charseq_([c, d, e], _2007348)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_2008300, _2008302), once(user:catch(read_from_chars([c, d, e], _2007348), _2008282, fail)), '$restore_trace'(_2008300, _2008302))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_2008300, _2008302))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _2008282, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(cde)
   Exit: (199) [system] atomic(cde)
^  Exit: (198) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (198) [system] integer(cde)
   Fail: (198) [system] integer(cde)
   Call: (198) [system] _1928160=cde
   Exit: (198) [system] cde=cde
^  Exit: (197) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (196) [user] read_symbolic(')', (0x55772f068e50), c, cde)
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), cde)
^  Call: (195) [user] read_list(')', (0x55772f068e50), _2020428)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _2022286)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _2031880)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _2034584)
   Exit: (198) [system] peek_char((0x55772f068e50), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _2051518)
   Exit: (196) [system] peek_char((0x55772f068e50), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _2057088)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _2058946)
   Exit: (198) [system] peek_char((0x55772f068e50), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _2074956)
   Exit: (197) [system] get_char((0x55772f068e50), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x55772f068e50), _2057088)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _2080526)
   Exit: (199) [system] peek_char((0x55772f068e50), 'I')
   Call: (199) [system] 'I'=(;)
   Fail: (199) [system] 'I'=(;)
   Call: (199) [system] 'I'=(/)
   Fail: (199) [system] 'I'=(/)
^  Call: (199) [user] is_like_space('I')
   Call: (200) [system] char_type('I', 'white')
   Fail: (200) [system] char_type('I', 'white')
   Call: (200) [system] char_type('I', end_of_line)
   Fail: (200) [system] char_type('I', end_of_line)
   Call: (200) [system] char_type('I', space)
   Fail: (200) [system] char_type('I', space)
   Call: (200) [system] char_type('I', cntrl)
   Fail: (200) [system] char_type('I', cntrl)
^  Fail: (199) [user] is_like_space('I')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _3522)
   Exit: (198) [system] peek_char((0x55772f068e50), 'I')
   Call: (198) [system] 'I'=')'
   Fail: (198) [system] 'I'=')'
   Call: (198) [system] 'I'=end_of_file
   Fail: (198) [system] 'I'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _8828)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _10686)
   Exit: (200) [system] peek_char((0x55772f068e50), 'I')
   Call: (200) [system] 'I'=(;)
   Fail: (200) [system] 'I'=(;)
   Call: (200) [system] 'I'=(/)
   Fail: (200) [system] 'I'=(/)
^  Call: (200) [user] is_like_space('I')
   Call: (201) [system] char_type('I', 'white')
   Fail: (201) [system] char_type('I', 'white')
   Call: (201) [system] char_type('I', end_of_line)
   Fail: (201) [system] char_type('I', end_of_line)
   Call: (201) [system] char_type('I', space)
   Fail: (201) [system] char_type('I', space)
   Call: (201) [system] char_type('I', cntrl)
   Fail: (201) [system] char_type('I', cntrl)
^  Fail: (200) [user] is_like_space('I')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _26696)
   Exit: (199) [system] get_char((0x55772f068e50), 'I')
   Call: (199) [system] 'I'='('
   Fail: (199) [system] 'I'='('
   Call: (199) [system] 'I'='['
   Fail: (199) [system] 'I'='['
   Call: (199) [system] 'I'='{'
   Fail: (199) [system] 'I'='{'
   Call: (199) [system] 'I'='"'
   Fail: (199) [system] 'I'='"'
   Call: (199) [system] 'I'=!
   Fail: (199) [system] 'I'=!
   Call: (199) [system] 'I'='\''
   Fail: (199) [system] 'I'='\''
   Call: (199) [system] 'I'='`'
   Fail: (199) [system] 'I'='`'
   Call: (199) [system] 'I'=end_of_file
   Fail: (199) [system] 'I'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x55772f068e50), 'I', _8828)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _44338)
   Call: (201) [system] peek_char((0x55772f068e50), _45272)
   Exit: (201) [system] peek_char((0x55772f068e50), m)
^  Call: (201) [user] is_delimiter(m)
   Call: (202) [system] char_type(m, space)
   Fail: (202) [system] char_type(m, space)
   Call: (202) [system] arg(_49992, v('(', ')', end_of_file), m)
   Fail: (202) [system] arg(_50924, v('(', ')', end_of_file), m)
^  Fail: (201) [user] is_delimiter(m)
   Call: (201) [system] ')'==m
   Fail: (201) [system] ')'==m
   Call: (201) [system] get_char((0x55772f068e50), m)
   Exit: (201) [system] get_char((0x55772f068e50), m)
   Call: (201) [system] m=(\)
   Fail: (201) [system] m=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _58274)
   Call: (202) [system] peek_char((0x55772f068e50), _59208)
   Exit: (202) [system] peek_char((0x55772f068e50), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_63928, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_64860, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x55772f068e50), p)
   Exit: (202) [system] get_char((0x55772f068e50), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _72210)
   Call: (203) [system] peek_char((0x55772f068e50), _73144)
   Exit: (203) [system] peek_char((0x55772f068e50), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Fail: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_77864, v('(', ')', end_of_file), l)
   Fail: (204) [system] arg(_78796, v('(', ')', end_of_file), l)
^  Fail: (203) [user] is_delimiter(l)
   Call: (203) [system] ')'==l
   Fail: (203) [system] ')'==l
   Call: (203) [system] get_char((0x55772f068e50), l)
   Exit: (203) [system] get_char((0x55772f068e50), l)
   Call: (203) [system] l=(\)
   Fail: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _86146)
   Call: (204) [system] peek_char((0x55772f068e50), _87080)
   Exit: (204) [system] peek_char((0x55772f068e50), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_91800, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_92732, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x55772f068e50), i)
   Exit: (204) [system] get_char((0x55772f068e50), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _100082)
   Call: (205) [system] peek_char((0x55772f068e50), _101016)
   Exit: (205) [system] peek_char((0x55772f068e50), c)
^  Call: (205) [user] is_delimiter(c)
   Call: (206) [system] char_type(c, space)
   Fail: (206) [system] char_type(c, space)
   Call: (206) [system] arg(_105736, v('(', ')', end_of_file), c)
   Fail: (206) [system] arg(_106668, v('(', ')', end_of_file), c)
^  Fail: (205) [user] is_delimiter(c)
   Call: (205) [system] ')'==c
   Fail: (205) [system] ')'==c
   Call: (205) [system] get_char((0x55772f068e50), c)
   Exit: (205) [system] get_char((0x55772f068e50), c)
   Call: (205) [system] c=(\)
   Fail: (205) [system] c=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _114018)
   Call: (206) [system] peek_char((0x55772f068e50), _114952)
   Exit: (206) [system] peek_char((0x55772f068e50), a)
^  Call: (206) [user] is_delimiter(a)
   Call: (207) [system] char_type(a, space)
   Fail: (207) [system] char_type(a, space)
   Call: (207) [system] arg(_119672, v('(', ')', end_of_file), a)
   Fail: (207) [system] arg(_120604, v('(', ')', end_of_file), a)
^  Fail: (206) [user] is_delimiter(a)
   Call: (206) [system] ')'==a
   Fail: (206) [system] ')'==a
   Call: (206) [system] get_char((0x55772f068e50), a)
   Exit: (206) [system] get_char((0x55772f068e50), a)
   Call: (206) [system] a=(\)
   Fail: (206) [system] a=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _127954)
   Call: (207) [system] peek_char((0x55772f068e50), _128888)
   Exit: (207) [system] peek_char((0x55772f068e50), t)
^  Call: (207) [user] is_delimiter(t)
   Call: (208) [system] char_type(t, space)
   Fail: (208) [system] char_type(t, space)
   Call: (208) [system] arg(_133608, v('(', ')', end_of_file), t)
   Fail: (208) [system] arg(_134540, v('(', ')', end_of_file), t)
^  Fail: (207) [user] is_delimiter(t)
   Call: (207) [system] ')'==t
   Fail: (207) [system] ')'==t
   Call: (207) [system] get_char((0x55772f068e50), t)
   Exit: (207) [system] get_char((0x55772f068e50), t)
   Call: (207) [system] t=(\)
   Fail: (207) [system] t=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _141890)
   Call: (208) [system] peek_char((0x55772f068e50), _142824)
   Exit: (208) [system] peek_char((0x55772f068e50), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_147544, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_148476, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x55772f068e50), i)
   Exit: (208) [system] get_char((0x55772f068e50), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _155826)
   Call: (209) [system] peek_char((0x55772f068e50), _156760)
   Exit: (209) [system] peek_char((0x55772f068e50), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_161480, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_162412, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x55772f068e50), o)
   Exit: (209) [system] get_char((0x55772f068e50), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _169762)
   Call: (210) [system] peek_char((0x55772f068e50), _170696)
   Exit: (210) [system] peek_char((0x55772f068e50), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_175416, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_176348, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x55772f068e50), n)
   Exit: (210) [system] get_char((0x55772f068e50), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _183698)
   Call: (211) [system] peek_char((0x55772f068e50), _184632)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _183698=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (210) [system] _169762=[n]
   Exit: (210) [system] [n]=[n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (209) [system] _155826=[o, n]
   Exit: (209) [system] [o, n]=[o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (208) [system] _141890=[i, o, n]
   Exit: (208) [system] [i, o, n]=[i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (207) [system] _127954=[t, i, o, n]
   Exit: (207) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (206) [system] _114018=[a, t, i, o, n]
   Exit: (206) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (205) [system] _100082=[c, a, t, i, o, n]
   Exit: (205) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (204) [system] _86146=[i, c, a, t, i, o, n]
   Exit: (204) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (203) [system] _72210=[l, i, c, a, t, i, o, n]
   Exit: (203) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (202) [system] _58274=[p, l, i, c, a, t, i, o, n]
   Exit: (202) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (201) [system] _44338=[m, p, l, i, c, a, t, i, o, n]
   Exit: (201) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (200) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _8828)
^  Call: (201) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _221856)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_222808, _222810), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _221856), _222790, fail)), '$restore_trace'(_222808, _222810))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_222808, _222810))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _221856), _222790, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_221856)
   Fail: (202) [system] atomic(_221856)
   Call: (202) [system] atom_chars(_221856, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (202) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (201) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (201) [system] integer('Implication')
   Fail: (201) [system] integer('Implication')
   Call: (201) [system] _8828='Implication'
   Exit: (201) [system] 'Implication'='Implication'
^  Exit: (200) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (199) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (198) [user] read_list(')', (0x55772f068e50), _236806)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _238664)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _248258)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _250962)
   Exit: (201) [system] peek_char((0x55772f068e50), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _267896)
   Exit: (199) [system] peek_char((0x55772f068e50), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _273466)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _275324)
   Exit: (201) [system] peek_char((0x55772f068e50), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _291334)
   Exit: (200) [system] get_char((0x55772f068e50), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x55772f068e50), _273466)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _296904)
   Exit: (202) [system] peek_char((0x55772f068e50), 'O')
   Call: (202) [system] 'O'=(;)
   Fail: (202) [system] 'O'=(;)
   Call: (202) [system] 'O'=(/)
   Fail: (202) [system] 'O'=(/)
^  Call: (202) [user] is_like_space('O')
   Call: (203) [system] char_type('O', 'white')
   Fail: (203) [system] char_type('O', 'white')
   Call: (203) [system] char_type('O', end_of_line)
   Fail: (203) [system] char_type('O', end_of_line)
   Call: (203) [system] char_type('O', space)
   Fail: (203) [system] char_type('O', space)
   Call: (203) [system] char_type('O', cntrl)
   Fail: (203) [system] char_type('O', cntrl)
^  Fail: (202) [user] is_like_space('O')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _312914)
   Exit: (201) [system] peek_char((0x55772f068e50), 'O')
   Call: (201) [system] 'O'=')'
   Fail: (201) [system] 'O'=')'
   Call: (201) [system] 'O'=end_of_file
   Fail: (201) [system] 'O'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _318484)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _320342)
   Exit: (203) [system] peek_char((0x55772f068e50), 'O')
   Call: (203) [system] 'O'=(;)
   Fail: (203) [system] 'O'=(;)
   Call: (203) [system] 'O'=(/)
   Fail: (203) [system] 'O'=(/)
^  Call: (203) [user] is_like_space('O')
   Call: (204) [system] char_type('O', 'white')
   Fail: (204) [system] char_type('O', 'white')
   Call: (204) [system] char_type('O', end_of_line)
   Fail: (204) [system] char_type('O', end_of_line)
   Call: (204) [system] char_type('O', space)
   Fail: (204) [system] char_type('O', space)
   Call: (204) [system] char_type('O', cntrl)
   Fail: (204) [system] char_type('O', cntrl)
^  Fail: (203) [user] is_like_space('O')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _336352)
   Exit: (202) [system] get_char((0x55772f068e50), 'O')
   Call: (202) [system] 'O'='('
   Fail: (202) [system] 'O'='('
   Call: (202) [system] 'O'='['
   Fail: (202) [system] 'O'='['
   Call: (202) [system] 'O'='{'
   Fail: (202) [system] 'O'='{'
   Call: (202) [system] 'O'='"'
   Fail: (202) [system] 'O'='"'
   Call: (202) [system] 'O'=!
   Fail: (202) [system] 'O'=!
   Call: (202) [system] 'O'='\''
   Fail: (202) [system] 'O'='\''
   Call: (202) [system] 'O'='`'
   Fail: (202) [system] 'O'='`'
   Call: (202) [system] 'O'=end_of_file
   Fail: (202) [system] 'O'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), 'O', _318484)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _353994)
   Call: (204) [system] peek_char((0x55772f068e50), _354928)
   Exit: (204) [system] peek_char((0x55772f068e50), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_359648, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_360580, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x55772f068e50), r)
   Exit: (204) [system] get_char((0x55772f068e50), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _367930)
   Call: (205) [system] peek_char((0x55772f068e50), _368864)
   Exit: (205) [system] peek_char((0x55772f068e50), 'L')
^  Call: (205) [user] is_delimiter('L')
   Call: (206) [system] char_type('L', space)
   Fail: (206) [system] char_type('L', space)
   Call: (206) [system] arg(_373584, v('(', ')', end_of_file), 'L')
   Fail: (206) [system] arg(_374516, v('(', ')', end_of_file), 'L')
^  Fail: (205) [user] is_delimiter('L')
   Call: (205) [system] ')'=='L'
   Fail: (205) [system] ')'=='L'
   Call: (205) [system] get_char((0x55772f068e50), 'L')
   Exit: (205) [system] get_char((0x55772f068e50), 'L')
   Call: (205) [system] 'L'=(\)
   Fail: (205) [system] 'L'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _381866)
   Call: (206) [system] peek_char((0x55772f068e50), _382800)
   Exit: (206) [system] peek_char((0x55772f068e50), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_387520, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_388452, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x55772f068e50), i)
   Exit: (206) [system] get_char((0x55772f068e50), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _395802)
   Call: (207) [system] peek_char((0x55772f068e50), _396736)
   Exit: (207) [system] peek_char((0x55772f068e50), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_401456, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_402388, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x55772f068e50), n)
   Exit: (207) [system] get_char((0x55772f068e50), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _409738)
   Call: (208) [system] peek_char((0x55772f068e50), _410672)
   Exit: (208) [system] peek_char((0x55772f068e50), k)
^  Call: (208) [user] is_delimiter(k)
   Call: (209) [system] char_type(k, space)
   Fail: (209) [system] char_type(k, space)
   Call: (209) [system] arg(_415392, v('(', ')', end_of_file), k)
   Fail: (209) [system] arg(_416324, v('(', ')', end_of_file), k)
^  Fail: (208) [user] is_delimiter(k)
   Call: (208) [system] ')'==k
   Fail: (208) [system] ')'==k
   Call: (208) [system] get_char((0x55772f068e50), k)
   Exit: (208) [system] get_char((0x55772f068e50), k)
   Call: (208) [system] k=(\)
   Fail: (208) [system] k=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _423674)
   Call: (209) [system] peek_char((0x55772f068e50), _424608)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _423674=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (208) [system] _409738=[k]
   Exit: (208) [system] [k]=[k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (207) [system] _395802=[n, k]
   Exit: (207) [system] [n, k]=[n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (206) [system] _381866=[i, n, k]
   Exit: (206) [system] [i, n, k]=[i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (205) [system] _367930=['L', i, n, k]
   Exit: (205) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (204) [system] _353994=[r, 'L', i, n, k]
   Exit: (204) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (203) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _318484)
^  Call: (204) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _447862)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_448814, _448816), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _447862), _448796, fail)), '$restore_trace'(_448814, _448816))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_448814, _448816))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _447862), _448796, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_447862)
   Fail: (205) [system] atomic(_447862)
   Call: (205) [system] atom_chars(_447862, ['O', r, 'L', i, n, k])
   Exit: (205) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (204) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (204) [system] integer('OrLink')
   Fail: (204) [system] integer('OrLink')
   Call: (204) [system] _318484='OrLink'
   Exit: (204) [system] 'OrLink'='OrLink'
^  Exit: (203) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (201) [user] read_list(')', (0x55772f068e50), _462812)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _464670)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _474264)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _476968)
   Exit: (204) [system] peek_char((0x55772f068e50), 'C')
   Call: (204) [system] 'C'=(;)
   Fail: (204) [system] 'C'=(;)
   Call: (204) [system] 'C'=(/)
   Fail: (204) [system] 'C'=(/)
^  Call: (204) [user] is_like_space('C')
   Call: (205) [system] char_type('C', 'white')
   Fail: (205) [system] char_type('C', 'white')
   Call: (205) [system] char_type('C', end_of_line)
   Fail: (205) [system] char_type('C', end_of_line)
   Call: (205) [system] char_type('C', space)
   Fail: (205) [system] char_type('C', space)
   Call: (205) [system] char_type('C', cntrl)
   Fail: (205) [system] char_type('C', cntrl)
^  Fail: (204) [user] is_like_space('C')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _493902)
   Exit: (202) [system] peek_char((0x55772f068e50), 'C')
   Call: (202) [system] 'C'=')'
   Fail: (202) [system] 'C'=')'
   Call: (202) [system] 'C'=end_of_file
   Fail: (202) [system] 'C'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x55772f068e50), _499472)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _501330)
   Exit: (204) [system] peek_char((0x55772f068e50), 'C')
   Call: (204) [system] 'C'=(;)
   Fail: (204) [system] 'C'=(;)
   Call: (204) [system] 'C'=(/)
   Fail: (204) [system] 'C'=(/)
^  Call: (204) [user] is_like_space('C')
   Call: (205) [system] char_type('C', 'white')
   Fail: (205) [system] char_type('C', 'white')
   Call: (205) [system] char_type('C', end_of_line)
   Fail: (205) [system] char_type('C', end_of_line)
   Call: (205) [system] char_type('C', space)
   Fail: (205) [system] char_type('C', space)
   Call: (205) [system] char_type('C', cntrl)
   Fail: (205) [system] char_type('C', cntrl)
^  Fail: (204) [user] is_like_space('C')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] get_char((0x55772f068e50), _517340)
   Exit: (203) [system] get_char((0x55772f068e50), 'C')
   Call: (203) [system] 'C'='('
   Fail: (203) [system] 'C'='('
   Call: (203) [system] 'C'='['
   Fail: (203) [system] 'C'='['
   Call: (203) [system] 'C'='{'
   Fail: (203) [system] 'C'='{'
   Call: (203) [system] 'C'='"'
   Fail: (203) [system] 'C'='"'
   Call: (203) [system] 'C'=!
   Fail: (203) [system] 'C'=!
   Call: (203) [system] 'C'='\''
   Fail: (203) [system] 'C'='\''
   Call: (203) [system] 'C'='`'
   Fail: (203) [system] 'C'='`'
   Call: (203) [system] 'C'=end_of_file
   Fail: (203) [system] 'C'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x55772f068e50), 'C', _499472)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _534982)
   Call: (205) [system] peek_char((0x55772f068e50), _535916)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _534982=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (204) [user] classify_and_convert_charseq(['C'], _499472)
^  Call: (205) [user] classify_and_convert_charseq_(['C'], _545200)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_546152, _546154), once(user:catch(read_from_chars(['C'], _545200), _546134, fail)), '$restore_trace'(_546152, _546154))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_546152, _546154))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _545200), _546134, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_545200)
   Fail: (206) [system] atomic(_545200)
   Call: (206) [system] atom_chars(_545200, ['C'])
   Exit: (206) [system] atom_chars('C', ['C'])
^  Exit: (205) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (205) [system] integer('C')
   Fail: (205) [system] integer('C')
   Call: (205) [system] _499472='C'
   Exit: (205) [system] 'C'='C'
^  Exit: (204) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (203) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (202) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (202) [user] read_list(')', (0x55772f068e50), _560150)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _562008)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x55772f068e50), _571602)
   Exit: (204) [system] get_char((0x55772f068e50), ' ')
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _574306)
   Exit: (205) [system] peek_char((0x55772f068e50), 'D')
   Call: (205) [system] 'D'=(;)
   Fail: (205) [system] 'D'=(;)
   Call: (205) [system] 'D'=(/)
   Fail: (205) [system] 'D'=(/)
^  Call: (205) [user] is_like_space('D')
   Call: (206) [system] char_type('D', 'white')
   Fail: (206) [system] char_type('D', 'white')
   Call: (206) [system] char_type('D', end_of_line)
   Fail: (206) [system] char_type('D', end_of_line)
   Call: (206) [system] char_type('D', space)
   Fail: (206) [system] char_type('D', space)
   Call: (206) [system] char_type('D', cntrl)
   Fail: (206) [system] char_type('D', cntrl)
^  Fail: (205) [user] is_like_space('D')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _591240)
   Exit: (203) [system] peek_char((0x55772f068e50), 'D')
   Call: (203) [system] 'D'=')'
   Fail: (203) [system] 'D'=')'
   Call: (203) [system] 'D'=end_of_file
   Fail: (203) [system] 'D'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x55772f068e50), _596810)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _598668)
   Exit: (205) [system] peek_char((0x55772f068e50), 'D')
   Call: (205) [system] 'D'=(;)
   Fail: (205) [system] 'D'=(;)
   Call: (205) [system] 'D'=(/)
   Fail: (205) [system] 'D'=(/)
^  Call: (205) [user] is_like_space('D')
   Call: (206) [system] char_type('D', 'white')
   Fail: (206) [system] char_type('D', 'white')
   Call: (206) [system] char_type('D', end_of_line)
   Fail: (206) [system] char_type('D', end_of_line)
   Call: (206) [system] char_type('D', space)
   Fail: (206) [system] char_type('D', space)
   Call: (206) [system] char_type('D', cntrl)
   Fail: (206) [system] char_type('D', cntrl)
^  Fail: (205) [user] is_like_space('D')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] get_char((0x55772f068e50), _614678)
   Exit: (204) [system] get_char((0x55772f068e50), 'D')
   Call: (204) [system] 'D'='('
   Fail: (204) [system] 'D'='('
   Call: (204) [system] 'D'='['
   Fail: (204) [system] 'D'='['
   Call: (204) [system] 'D'='{'
   Fail: (204) [system] 'D'='{'
   Call: (204) [system] 'D'='"'
   Fail: (204) [system] 'D'='"'
   Call: (204) [system] 'D'=!
   Fail: (204) [system] 'D'=!
   Call: (204) [system] 'D'='\''
   Fail: (204) [system] 'D'='\''
   Call: (204) [system] 'D'='`'
   Fail: (204) [system] 'D'='`'
   Call: (204) [system] 'D'=end_of_file
   Fail: (204) [system] 'D'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x55772f068e50), 'D', _596810)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _632320)
   Call: (206) [system] peek_char((0x55772f068e50), _633254)
   Exit: (206) [system] peek_char((0x55772f068e50), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_637974, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _632320=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (205) [user] classify_and_convert_charseq(['D'], _596810)
^  Call: (206) [user] classify_and_convert_charseq_(['D'], _644410)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_645362, _645364), once(user:catch(read_from_chars(['D'], _644410), _645344, fail)), '$restore_trace'(_645362, _645364))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_645362, _645364))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _644410), _645344, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_644410)
   Fail: (207) [system] atomic(_644410)
   Call: (207) [system] atom_chars(_644410, ['D'])
   Exit: (207) [system] atom_chars('D', ['D'])
^  Exit: (206) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (206) [system] integer('D')
   Fail: (206) [system] integer('D')
   Call: (206) [system] _596810='D'
   Exit: (206) [system] 'D'='D'
^  Exit: (205) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (204) [user] read_symbolic(')', (0x55772f068e50), 'D', 'D')
^  Exit: (203) [user] cont_sexpr(')', (0x55772f068e50), 'D')
^  Call: (203) [user] read_list(')', (0x55772f068e50), _659360)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _661218)
   Exit: (205) [system] peek_char((0x55772f068e50), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _677228)
   Exit: (204) [system] peek_char((0x55772f068e50), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x55772f068e50), _681018)
   Exit: (204) [system] get_char((0x55772f068e50), ')')
   Call: (204) [system] _659360=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x55772f068e50), [])
   Call: (203) [system] _560150=['D']
   Exit: (203) [system] ['D']=['D']
^  Exit: (202) [user] read_list(')', (0x55772f068e50), ['D'])
   Call: (202) [system] _462812=['C', 'D']
   Exit: (202) [system] ['C', 'D']=['C', 'D']
^  Exit: (201) [user] read_list(')', (0x55772f068e50), ['C', 'D'])
   Call: (201) [system] _273466=['OrLink', 'C', 'D']
   Exit: (201) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (200) [user] read_list(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Call: (199) [user] read_list(')', (0x55772f068e50), _694900)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _696758)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _706352)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _709056)
   Exit: (202) [system] peek_char((0x55772f068e50), 'E')
   Call: (202) [system] 'E'=(;)
   Fail: (202) [system] 'E'=(;)
   Call: (202) [system] 'E'=(/)
   Fail: (202) [system] 'E'=(/)
^  Call: (202) [user] is_like_space('E')
   Call: (203) [system] char_type('E', 'white')
   Fail: (203) [system] char_type('E', 'white')
   Call: (203) [system] char_type('E', end_of_line)
   Fail: (203) [system] char_type('E', end_of_line)
   Call: (203) [system] char_type('E', space)
   Fail: (203) [system] char_type('E', space)
   Call: (203) [system] char_type('E', cntrl)
   Fail: (203) [system] char_type('E', cntrl)
^  Fail: (202) [user] is_like_space('E')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _725990)
   Exit: (200) [system] peek_char((0x55772f068e50), 'E')
   Call: (200) [system] 'E'=')'
   Fail: (200) [system] 'E'=')'
   Call: (200) [system] 'E'=end_of_file
   Fail: (200) [system] 'E'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _731560)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _733418)
   Exit: (202) [system] peek_char((0x55772f068e50), 'E')
   Call: (202) [system] 'E'=(;)
   Fail: (202) [system] 'E'=(;)
   Call: (202) [system] 'E'=(/)
   Fail: (202) [system] 'E'=(/)
^  Call: (202) [user] is_like_space('E')
   Call: (203) [system] char_type('E', 'white')
   Fail: (203) [system] char_type('E', 'white')
   Call: (203) [system] char_type('E', end_of_line)
   Fail: (203) [system] char_type('E', end_of_line)
   Call: (203) [system] char_type('E', space)
   Fail: (203) [system] char_type('E', space)
   Call: (203) [system] char_type('E', cntrl)
   Fail: (203) [system] char_type('E', cntrl)
^  Fail: (202) [user] is_like_space('E')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _749428)
   Exit: (201) [system] get_char((0x55772f068e50), 'E')
   Call: (201) [system] 'E'='('
   Fail: (201) [system] 'E'='('
   Call: (201) [system] 'E'='['
   Fail: (201) [system] 'E'='['
   Call: (201) [system] 'E'='{'
   Fail: (201) [system] 'E'='{'
   Call: (201) [system] 'E'='"'
   Fail: (201) [system] 'E'='"'
   Call: (201) [system] 'E'=!
   Fail: (201) [system] 'E'=!
   Call: (201) [system] 'E'='\''
   Fail: (201) [system] 'E'='\''
   Call: (201) [system] 'E'='`'
   Fail: (201) [system] 'E'='`'
   Call: (201) [system] 'E'=end_of_file
   Fail: (201) [system] 'E'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), 'E', _731560)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _767070)
   Call: (203) [system] peek_char((0x55772f068e50), _768004)
   Exit: (203) [system] peek_char((0x55772f068e50), ')')
^  Call: (203) [user] is_delimiter(')')
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] arg(_772724, v('(', ')', end_of_file), ')')
   Exit: (204) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (203) [user] is_delimiter(')')
   Call: (203) [system] _767070=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (202) [user] classify_and_convert_charseq(['E'], _731560)
^  Call: (203) [user] classify_and_convert_charseq_(['E'], _779160)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_780112, _780114), once(user:catch(read_from_chars(['E'], _779160), _780094, fail)), '$restore_trace'(_780112, _780114))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_780112, _780114))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _779160), _780094, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_779160)
   Fail: (204) [system] atomic(_779160)
   Call: (204) [system] atom_chars(_779160, ['E'])
   Exit: (204) [system] atom_chars('E', ['E'])
^  Exit: (203) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (203) [system] integer('E')
   Fail: (203) [system] integer('E')
   Call: (203) [system] _731560='E'
   Exit: (203) [system] 'E'='E'
^  Exit: (202) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), 'E', 'E')
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), 'E')
^  Call: (200) [user] read_list(')', (0x55772f068e50), _794110)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _795968)
   Exit: (202) [system] peek_char((0x55772f068e50), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _811978)
   Exit: (201) [system] peek_char((0x55772f068e50), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x55772f068e50), _815768)
   Exit: (201) [system] get_char((0x55772f068e50), ')')
   Call: (201) [system] _794110=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [])
   Call: (200) [system] _694900=['E']
   Exit: (200) [system] ['E']=['E']
^  Exit: (199) [user] read_list(')', (0x55772f068e50), ['E'])
   Call: (199) [system] _236806=[['OrLink', 'C', 'D'], 'E']
   Exit: (199) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [['OrLink', 'C', 'D'], 'E'])
   Call: (198) [system] _3516=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (198) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (197) [user] read_list(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (196) [user] read_list(')', (0x55772f068e50), _829650)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _831508)
   Exit: (198) [system] peek_char((0x55772f068e50), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _847518)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x55772f068e50), _851308)
   Exit: (197) [system] get_char((0x55772f068e50), ')')
   Call: (197) [system] _829650=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [])
   Call: (196) [system] _3512=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (196) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (195) [system] _3506=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (195) [system] [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (194) [system] _3498=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (194) [system] [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (192) [user] read_list(')', (0x55772f068e50), _865190)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _867048)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _883058)
   Exit: (193) [system] peek_char((0x55772f068e50), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x55772f068e50), _886848)
   Exit: (193) [system] get_char((0x55772f068e50), ')')
   Call: (193) [system] _865190=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [])
   Call: (192) [system] _3494=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (192) [system] [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (191) [system] _3470=[[:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (191) [system] [[:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (190) [user] read_list(')', (0x55772f068e50), [[:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (190) [system] _3446=[[:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (190) [system] [[:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (189) [user] read_list(')', (0x55772f068e50), [[:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (189) [system] _3384=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (189) [system] [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (187) [user] cont_sexpr(')', (0x55772f068e50), [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (187) [user] read_list(')', (0x55772f068e50), _903524)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _905382)
   Exit: (189) [system] peek_char((0x55772f068e50), ')')
   Call: (189) [system] ')'=(;)
   Fail: (189) [system] ')'=(;)
   Call: (189) [system] ')'=(/)
   Fail: (189) [system] ')'=(/)
^  Call: (189) [user] is_like_space(')')
   Call: (190) [system] char_type(')', 'white')
   Fail: (190) [system] char_type(')', 'white')
   Call: (190) [system] char_type(')', end_of_line)
   Fail: (190) [system] char_type(')', end_of_line)
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] char_type(')', cntrl)
   Fail: (190) [system] char_type(')', cntrl)
^  Fail: (189) [user] is_like_space(')')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _921392)
   Exit: (188) [system] peek_char((0x55772f068e50), ')')
   Call: (188) [system] ')'=')'
   Exit: (188) [system] ')'=')'
   Call: (188) [system] get_char((0x55772f068e50), _925182)
   Exit: (188) [system] get_char((0x55772f068e50), ')')
   Call: (188) [system] _903524=[]
   Exit: (188) [system] []=[]
^  Exit: (187) [user] read_list(')', (0x55772f068e50), [])
   Call: (187) [system] _3380=[[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (187) [system] [[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (186) [user] read_list(')', (0x55772f068e50), [[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (186) [system] _3368=[[kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (186) [system] [[kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[[kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [[kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (185) [system] _3360=[assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (185) [system] [assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (183) [user] cont_sexpr(')', (0x55772f068e50), [assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (182) [user] read_sexpr((0x55772f068e50), [assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (182) [system] _3324=exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Exit: (182) [system] exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])=exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (181) [user] cont_sexpr(')', (0x55772f068e50), exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]))
^  Exit: (180) [user] read_sexpr((0x55772f068e50), exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]))
^  Call: (180) [user] assertz(metta_file_comment(101, 0, 4201, exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]), '$stream_position'(4201, 101, 0, 4201)))
^  Exit: (180) [user] assertz(metta_file_comment(101, 0, 4201, exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]), '$stream_position'(4201, 101, 0, 4201)))
^  Exit: (178) [system] once(user:(read_position((0x55772f068e50), 101, 0, 4201, '$stream_position'(4201, 101, 0, 4201)), read_sexpr((0x55772f068e50), exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])), assertz(metta_file_comment(101, 0, 4201, exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]), '$stream_position'(4201, 101, 0, 4201)))))
   Call: (178) [system] fail
^  Call: (178) [user] retract(metta_file_comment(_947420, _947422, _947424, _947426, _947428))
^  Exit: (178) [user] retract(metta_file_comment(49, 0, 1632, '$COMMENT'(";; tuples.", 49, 0), '$stream_position'(1632, 49, 0, 1632)))
^  Call: (178) [user] trly(untyped_to_metta, '$COMMENT'(";; tuples.", 49, 0), _3084)
^  Call: (179) [user] once(call(untyped_to_metta, '$COMMENT'(";; tuples.", 49, 0), _950254))
^  Call: (180) [user] call(untyped_to_metta, '$COMMENT'(";; tuples.", 49, 0), _950254)
^  Call: (181) [user] untyped_to_metta('$COMMENT'(";; tuples.", 49, 0), _950254)
^  Call: (182) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; tuples.", 49, 0), _953070))
^  Call: (183) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; tuples.", 49, 0), _953070))
^  Call: (184) [user] trly(mfix_vars1, '$COMMENT'(";; tuples.", 49, 0), _953070)
^  Call: (185) [user] once(call(mfix_vars1, '$COMMENT'(";; tuples.", 49, 0), _955870))
^  Call: (186) [user] call(mfix_vars1, '$COMMENT'(";; tuples.", 49, 0), _955870)
^  Call: (187) [user] mfix_vars1('$COMMENT'(";; tuples.", 49, 0), _955870)
   Call: (188) [system] var('$COMMENT'(";; tuples.", 49, 0))
   Call: (188) [system] atom('$COMMENT'(";; tuples.", 49, 0))
   Call: (188) [system] '$COMMENT'(";; tuples.", 49, 0)==true
   Call: (188) [system] '$COMMENT'(";; tuples.", 49, 0)==false
   Call: (188) [system] '$COMMENT'(";; tuples.", 49, 0)==[_962390, _962396]
   Call: (188) [system] is_list('$COMMENT'(";; tuples.", 49, 0))
   Call: (188) [system] string('$COMMENT'(";; tuples.", 49, 0))
   Call: (188) [system] compound('$COMMENT'(";; tuples.", 49, 0))
   Exit: (188) [system] compound('$COMMENT'(";; tuples.", 49, 0))
   Call: (188) [system] compound_name_arguments('$COMMENT'(";; tuples.", 49, 0), _967024, _967026)
   Exit: (188) [system] compound_name_arguments('$COMMENT'(";; tuples.", 49, 0), '$COMMENT', [";; tuples.", 49, 0])
   Call: (188) [system] '$COMMENT'\=='$VAR'
   Exit: (188) [system] '$COMMENT'\=='$VAR'
^  Call: (188) [user] apply:maplist(mfix_vars1, [";; tuples.", 49, 0], _970766)
   Call: (189) [apply] apply:maplist_([";; tuples.", 49, 0], _970766, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(";; tuples.", _972646)
   Call: (191) [system] var(";; tuples.")
   Call: (191) [system] atom(";; tuples.")
   Call: (191) [system] ";; tuples."==true
   Call: (191) [system] ";; tuples."==false
   Call: (191) [system] ";; tuples."==[_977288, _977294]
   Call: (191) [system] is_list(";; tuples.")
   Call: (191) [system] string(";; tuples.")
   Exit: (191) [system] string(";; tuples.")
^  Call: (191) [user] string_to_syms
   Call: (192) [system] fail
   Call: (191) [system] compound(";; tuples.")
^  Call: (191) [user] symbol(";; tuples.")
   Call: (192) [system] atom(";; tuples.")
   Fail: (192) [system] atom(";; tuples.")
^  Fail: (191) [user] symbol(";; tuples.")
   Call: (191) [system] ";; tuples."=_972646
   Exit: (191) [system] ";; tuples."=";; tuples."
^  Exit: (190) [user] mfix_vars1(";; tuples.", ";; tuples.")
   Call: (190) [apply] apply:maplist_([49, 0], _972648, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(49, _991168)
   Call: (192) [system] var(49)
   Call: (192) [system] atom(49)
   Call: (192) [system] 49==true
   Call: (192) [system] 49==false
   Call: (192) [system] 49==[_995810, _995816]
   Call: (192) [system] is_list(49)
   Call: (192) [system] string(49)
   Call: (192) [system] compound(49)
^  Call: (192) [user] symbol(49)
   Call: (193) [system] atom(49)
   Fail: (193) [system] atom(49)
^  Fail: (192) [user] symbol(49)
   Call: (192) [system] 49=_991168
   Exit: (192) [system] 49=49
^  Exit: (191) [user] mfix_vars1(49, 49)
   Call: (191) [apply] apply:maplist_([0], _991170, user:mfix_vars1)
^  Call: (192) [user] mfix_vars1(0, _1006934)
   Call: (193) [system] var(0)
   Call: (193) [system] atom(0)
   Call: (193) [system] 0==true
   Call: (193) [system] 0==false
   Call: (193) [system] 0==[_1011576, _1011582]
   Call: (193) [system] is_list(0)
   Call: (193) [system] string(0)
   Call: (193) [system] compound(0)
^  Call: (193) [user] symbol(0)
   Call: (194) [system] atom(0)
   Fail: (194) [system] atom(0)
^  Fail: (193) [user] symbol(0)
   Call: (193) [system] 0=_1006934
   Exit: (193) [system] 0=0
^  Exit: (192) [user] mfix_vars1(0, 0)
   Call: (192) [apply] apply:maplist_([], _1006936, user:mfix_vars1)
   Exit: (192) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([49, 0], [49, 0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([";; tuples.", 49, 0], [";; tuples.", 49, 0], user:mfix_vars1)
^  Exit: (188) [apply] apply:maplist(user:mfix_vars1, [";; tuples.", 49, 0], [";; tuples.", 49, 0])
   Call: (188) [system] compound_name_arguments(_955870, '$COMMENT', [";; tuples.", 49, 0])
   Exit: (188) [system] compound_name_arguments('$COMMENT'(";; tuples.", 49, 0), '$COMMENT', [";; tuples.", 49, 0])
^  Exit: (187) [user] mfix_vars1('$COMMENT'(";; tuples.", 49, 0), '$COMMENT'(";; tuples.", 49, 0))
^  Exit: (186) [system] call(user:mfix_vars1, '$COMMENT'(";; tuples.", 49, 0), '$COMMENT'(";; tuples.", 49, 0))
^  Exit: (185) [system] once(user:call(mfix_vars1, '$COMMENT'(";; tuples.", 49, 0), '$COMMENT'(";; tuples.", 49, 0)))
   Call: (185) [system] '$COMMENT'(";; tuples.", 49, 0)\=@='$COMMENT'(";; tuples.", 49, 0)
^  Exit: (184) [user] trly(mfix_vars1, '$COMMENT'(";; tuples.", 49, 0), '$COMMENT'(";; tuples.", 49, 0))
^  Exit: (183) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; tuples.", 49, 0), '$COMMENT'(";; tuples.", 49, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; tuples.", 49, 0), '$COMMENT'(";; tuples.", 49, 0)))
^  Call: (182) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; tuples.", 49, 0), _1035752))
^  Call: (183) [user] once(user:trly(cons_to_c, '$COMMENT'(";; tuples.", 49, 0), _1035752))
^  Call: (184) [user] trly(cons_to_c, '$COMMENT'(";; tuples.", 49, 0), _1035752)
^  Call: (185) [user] once(call(cons_to_c, '$COMMENT'(";; tuples.", 49, 0), _1038552))
^  Call: (186) [user] call(cons_to_c, '$COMMENT'(";; tuples.", 49, 0), _1038552)
^  Call: (187) [user] cons_to_c('$COMMENT'(";; tuples.", 49, 0), _1038552)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_c('$COMMENT'(";; tuples.", 49, 0), '$COMMENT'(";; tuples.", 49, 0))
^  Exit: (186) [system] call(user:cons_to_c, '$COMMENT'(";; tuples.", 49, 0), '$COMMENT'(";; tuples.", 49, 0))
^  Exit: (185) [system] once(user:call(cons_to_c, '$COMMENT'(";; tuples.", 49, 0), '$COMMENT'(";; tuples.", 49, 0)))
   Call: (185) [system] '$COMMENT'(";; tuples.", 49, 0)\=@='$COMMENT'(";; tuples.", 49, 0)
^  Exit: (184) [user] trly(cons_to_c, '$COMMENT'(";; tuples.", 49, 0), '$COMMENT'(";; tuples.", 49, 0))
^  Exit: (183) [system] once(user:trly(cons_to_c, '$COMMENT'(";; tuples.", 49, 0), '$COMMENT'(";; tuples.", 49, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; tuples.", 49, 0), '$COMMENT'(";; tuples.", 49, 0)))
^  Call: (182) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; tuples.", 49, 0), _950254))
^  Call: (183) [user] once(user:trly(cons_to_l, '$COMMENT'(";; tuples.", 49, 0), _950254))
^  Call: (184) [user] trly(cons_to_l, '$COMMENT'(";; tuples.", 49, 0), _950254)
^  Call: (185) [user] once(call(cons_to_l, '$COMMENT'(";; tuples.", 49, 0), _1052510))
^  Call: (186) [user] call(cons_to_l, '$COMMENT'(";; tuples.", 49, 0), _1052510)
^  Call: (187) [user] cons_to_l('$COMMENT'(";; tuples.", 49, 0), _1052510)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_l('$COMMENT'(";; tuples.", 49, 0), '$COMMENT'(";; tuples.", 49, 0))
^  Exit: (186) [system] call(user:cons_to_l, '$COMMENT'(";; tuples.", 49, 0), '$COMMENT'(";; tuples.", 49, 0))
^  Exit: (185) [system] once(user:call(cons_to_l, '$COMMENT'(";; tuples.", 49, 0), '$COMMENT'(";; tuples.", 49, 0)))
   Call: (185) [system] '$COMMENT'(";; tuples.", 49, 0)\=@='$COMMENT'(";; tuples.", 49, 0)
^  Exit: (184) [user] trly(cons_to_l, '$COMMENT'(";; tuples.", 49, 0), '$COMMENT'(";; tuples.", 49, 0))
^  Exit: (183) [system] once(user:trly(cons_to_l, '$COMMENT'(";; tuples.", 49, 0), '$COMMENT'(";; tuples.", 49, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; tuples.", 49, 0), '$COMMENT'(";; tuples.", 49, 0)))
^  Exit: (181) [user] untyped_to_metta('$COMMENT'(";; tuples.", 49, 0), '$COMMENT'(";; tuples.", 49, 0))
^  Exit: (180) [system] call(user:untyped_to_metta, '$COMMENT'(";; tuples.", 49, 0), '$COMMENT'(";; tuples.", 49, 0))
^  Exit: (179) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; tuples.", 49, 0), '$COMMENT'(";; tuples.", 49, 0)))
   Call: (179) [system] '$COMMENT'(";; tuples.", 49, 0)\=@='$COMMENT'(";; tuples.", 49, 0)
^  Exit: (178) [user] trly(untyped_to_metta, '$COMMENT'(";; tuples.", 49, 0), '$COMMENT'(";; tuples.", 49, 0))
^  Exit: (177) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; tuples.", 49, 0))
   Call: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; tuples.", 49, 0))))
   Exit: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; tuples.", 49, 0))))
^  Exit: (176) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";; tuples.", 49, 0))
^  Exit: (175) [user] parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";; tuples.", 49, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";; tuples.", 49, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; tuples.", 49, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; tuples.", 49, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; tuples.", 49, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";; tuples.", 49, 0))
^  Exit: (171) [user] read_sform((0x55772f068e50), '$COMMENT'(";; tuples.", 49, 0))
^  Exit: (170) [system] once(user:read_sform((0x55772f068e50), '$COMMENT'(";; tuples.", 49, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x55772f068e50), '$COMMENT'(";; tuples.", 49, 0)))
   Call: (169) [system] '$COMMENT'(";; tuples.", 49, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; tuples.", 49, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; tuples.", 49, 0)), 99]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; tuples.", 49, 0), me_synthesize_1727481849_9551582, 99)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; tuples.", 49, 0)), 99]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727481859.1790643)
   Call: (173) [system] arg(1, t(1727481858.222791), _3148)
   Exit: (173) [system] arg(1, t(1727481858.222791), 1727481858.222791)
   Call: (173) [system] _3158 is 1727481859.1790643-1727481858.222791
   Exit: (173) [system] 0.9562733173370361 is 1727481859.1790643-1727481858.222791
   Call: (173) [system] 0.9562733173370361>4
   Fail: (173) [system] 0.9562733173370361>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; tuples.", 49, 0)), 99]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 15)
   Call: (175) [system] atom(15+1)
   Call: (175) [system] set_flag(translated_forms, 16)
   Exit: (175) [system] set_flag(translated_forms, 16)
   Exit: (174) [$syspreds] update_flag(translated_forms, 15, 15+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 15, 15+1))
   Exit: (171) [$syspreds] flag(translated_forms, 15, 15+1)
^  Call: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; tuples.", 49, 0), me_synthesize_1727481849_9551582, 99)
^  Call: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";; tuples."])
^  Exit: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";; tuples."])
^  Exit: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; tuples.", 49, 0), me_synthesize_1727481849_9551582, 99)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; tuples.", 49, 0)), 99]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 15, 15+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; tuples.", 49, 0), me_synthesize_1727481849_9551582, 99)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x55772f068e50))
   Fail: (169) [system] at_end_of_stream((0x55772f068e50))
^  Call: (169) [user] must_det_ll(line_count((0x55772f068e50), _3074))
^  Call: (170) [user] once(user:line_count((0x55772f068e50), _3074))
   Call: (171) [system] line_count((0x55772f068e50), _3074)
   Exit: (171) [system] line_count((0x55772f068e50), 106)
^  Exit: (170) [system] once(user:line_count((0x55772f068e50), 106))
^  Exit: (169) [user] must_det_ll(user:line_count((0x55772f068e50), 106))
^  Call: (169) [user] must_det_ll(read_sform((0x55772f068e50), _3084))
^  Call: (170) [user] once(user:read_sform((0x55772f068e50), _3084))
^  Call: (171) [user] read_sform((0x55772f068e50), _3084)
   Call: (172) [system] string((0x55772f068e50))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (173) [system] string((0x55772f068e50))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (174) [system] at_end_of_stream((0x55772f068e50))
   Call: (174) [system] peek_char((0x55772f068e50), _1128222)
   Exit: (174) [system] peek_char((0x55772f068e50), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x55772f068e50), '\n')
   Exit: (174) [system] get_char((0x55772f068e50), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), _3084)
   Call: (175) [system] at_end_of_stream((0x55772f068e50))
   Call: (175) [system] peek_char((0x55772f068e50), _1135644)
   Exit: (175) [system] peek_char((0x55772f068e50), '\n')
   Call: (175) [system] char_type('\n', space)
   Exit: (175) [system] char_type('\n', space)
   Call: (175) [system] get_char((0x55772f068e50), '\n')
   Exit: (175) [system] get_char((0x55772f068e50), '\n')
^  Call: (175) [user] parse_sexpr_metta_IO((0x55772f068e50), _3084)
   Call: (176) [system] at_end_of_stream((0x55772f068e50))
   Call: (176) [system] peek_char((0x55772f068e50), _1143066)
   Exit: (176) [system] peek_char((0x55772f068e50), '\n')
   Call: (176) [system] char_type('\n', space)
   Exit: (176) [system] char_type('\n', space)
   Call: (176) [system] get_char((0x55772f068e50), '\n')
   Exit: (176) [system] get_char((0x55772f068e50), '\n')
^  Call: (176) [user] parse_sexpr_metta_IO((0x55772f068e50), _3084)
   Call: (177) [system] at_end_of_stream((0x55772f068e50))
   Call: (177) [system] peek_char((0x55772f068e50), _1150488)
   Exit: (177) [system] peek_char((0x55772f068e50), '(')
   Call: (177) [system] char_type('(', space)
^  Call: (177) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (178) [system] string((0x55772f068e50))
^  Exit: (177) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (177) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (178) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (179) [system] at_end_of_stream((0x55772f068e50))
   Call: (179) [system] peek_char((0x55772f068e50), _1158826)
   Exit: (179) [system] peek_char((0x55772f068e50), '(')
   Call: (179) [system] char_type('(', space)
   Call: (179) [system] _1161612=(0x55772f068e50)
   Exit: (179) [system] (0x55772f068e50)=(0x55772f068e50)
^  Call: (179) [user] once((read_position((0x55772f068e50), _1163480, _1163482, _1163484, _1163486), read_sexpr((0x55772f068e50), _1163498), assertz(metta_file_comment(_1163480, _1163482, _1163484, _1163498, _1163486))))
^  Call: (181) [user] read_position((0x55772f068e50), _1163480, _1163482, _1163484, _1163486)
   Call: (182) [system] stream_property((0x55772f068e50), position(_1163486))
   Call: (183) [system] nonvar((0x55772f068e50))
   Exit: (183) [system] nonvar((0x55772f068e50))
   Call: (183) [system] nonvar(position(_1163486))
   Exit: (183) [system] nonvar(position(_1163486))
   Exit: (182) [system] stream_property((0x55772f068e50), position('$stream_position'(4349, 109, 0, 4349)))
   Call: (182) [$syspreds] stream_position_data(line_count, '$stream_position'(4349, 109, 0, 4349), _1163480)
   Call: (183) [system] nonvar(line_count)
   Exit: (183) [system] nonvar(line_count)
   Call: (183) [$syspreds] stream_position_field(line_count, _1173738)
   Exit: (183) [$syspreds] stream_position_field(line_count, 2)
   Call: (183) [system] arg(2, '$stream_position'(4349, 109, 0, 4349), _1163480)
   Exit: (183) [system] arg(2, '$stream_position'(4349, 109, 0, 4349), 109)
   Exit: (182) [$syspreds] stream_position_data(line_count, '$stream_position'(4349, 109, 0, 4349), 109)
   Call: (182) [$syspreds] stream_position_data(line_position, '$stream_position'(4349, 109, 0, 4349), _1163482)
   Call: (183) [system] nonvar(line_position)
   Exit: (183) [system] nonvar(line_position)
   Call: (183) [$syspreds] stream_position_field(line_position, _1181172)
   Exit: (183) [$syspreds] stream_position_field(line_position, 3)
   Call: (183) [system] arg(3, '$stream_position'(4349, 109, 0, 4349), _1163482)
   Exit: (183) [system] arg(3, '$stream_position'(4349, 109, 0, 4349), 0)
   Exit: (182) [$syspreds] stream_position_data(line_position, '$stream_position'(4349, 109, 0, 4349), 0)
   Call: (182) [$syspreds] stream_position_data(char_count, '$stream_position'(4349, 109, 0, 4349), _1163484)
   Call: (183) [system] nonvar(char_count)
   Exit: (183) [system] nonvar(char_count)
   Call: (183) [$syspreds] stream_position_field(char_count, _1188606)
   Exit: (183) [$syspreds] stream_position_field(char_count, 1)
   Call: (183) [system] arg(1, '$stream_position'(4349, 109, 0, 4349), _1163484)
   Exit: (183) [system] arg(1, '$stream_position'(4349, 109, 0, 4349), 4349)
   Exit: (182) [$syspreds] stream_position_data(char_count, '$stream_position'(4349, 109, 0, 4349), 4349)
^  Exit: (181) [user] read_position((0x55772f068e50), 109, 0, 4349, '$stream_position'(4349, 109, 0, 4349))
^  Call: (181) [user] read_sexpr((0x55772f068e50), _1163498)
   Call: (182) [system] string((0x55772f068e50))
   Fail: (182) [system] string((0x55772f068e50))
^  Call: (182) [user] cont_sexpr(')', (0x55772f068e50), _1163498)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _1198832)
   Exit: (184) [system] peek_char((0x55772f068e50), '(')
   Call: (184) [system] '('=(;)
   Fail: (184) [system] '('=(;)
   Call: (184) [system] '('=(/)
   Fail: (184) [system] '('=(/)
^  Call: (184) [user] is_like_space('(')
   Call: (185) [system] char_type('(', 'white')
   Fail: (185) [system] char_type('(', 'white')
   Call: (185) [system] char_type('(', end_of_line)
   Fail: (185) [system] char_type('(', end_of_line)
   Call: (185) [system] char_type('(', space)
   Fail: (185) [system] char_type('(', space)
   Call: (185) [system] char_type('(', cntrl)
   Fail: (185) [system] char_type('(', cntrl)
^  Fail: (184) [user] is_like_space('(')
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] get_char((0x55772f068e50), _1214842)
   Exit: (183) [system] get_char((0x55772f068e50), '(')
   Call: (183) [system] '('='('
   Exit: (183) [system] '('='('
^  Call: (183) [user] read_list(')', (0x55772f068e50), _1163498)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1220412)
   Exit: (185) [system] peek_char((0x55772f068e50), :)
   Call: (185) [system] (:)=(;)
   Fail: (185) [system] (:)=(;)
   Call: (185) [system] (:)=(/)
   Fail: (185) [system] (:)=(/)
^  Call: (185) [user] is_like_space(:)
   Call: (186) [system] char_type(:, 'white')
   Fail: (186) [system] char_type(:, 'white')
   Call: (186) [system] char_type(:, end_of_line)
   Fail: (186) [system] char_type(:, end_of_line)
   Call: (186) [system] char_type(:, space)
   Fail: (186) [system] char_type(:, space)
   Call: (186) [system] char_type(:, cntrl)
   Fail: (186) [system] char_type(:, cntrl)
^  Fail: (185) [user] is_like_space(:)
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _1236422)
   Exit: (184) [system] peek_char((0x55772f068e50), :)
   Call: (184) [system] (:)=')'
   Fail: (184) [system] (:)=')'
   Call: (184) [system] (:)=end_of_file
   Fail: (184) [system] (:)=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x55772f068e50), _1241992)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1243850)
   Exit: (186) [system] peek_char((0x55772f068e50), :)
   Call: (186) [system] (:)=(;)
   Fail: (186) [system] (:)=(;)
   Call: (186) [system] (:)=(/)
   Fail: (186) [system] (:)=(/)
^  Call: (186) [user] is_like_space(:)
   Call: (187) [system] char_type(:, 'white')
   Fail: (187) [system] char_type(:, 'white')
   Call: (187) [system] char_type(:, end_of_line)
   Fail: (187) [system] char_type(:, end_of_line)
   Call: (187) [system] char_type(:, space)
   Fail: (187) [system] char_type(:, space)
   Call: (187) [system] char_type(:, cntrl)
   Fail: (187) [system] char_type(:, cntrl)
^  Fail: (186) [user] is_like_space(:)
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] get_char((0x55772f068e50), _1259860)
   Exit: (185) [system] get_char((0x55772f068e50), :)
   Call: (185) [system] (:)='('
   Fail: (185) [system] (:)='('
   Call: (185) [system] (:)='['
   Fail: (185) [system] (:)='['
   Call: (185) [system] (:)='{'
   Fail: (185) [system] (:)='{'
   Call: (185) [system] (:)='"'
   Fail: (185) [system] (:)='"'
   Call: (185) [system] (:)=!
   Fail: (185) [system] (:)=!
   Call: (185) [system] (:)='\''
   Fail: (185) [system] (:)='\''
   Call: (185) [system] (:)='`'
   Fail: (185) [system] (:)='`'
   Call: (185) [system] (:)=end_of_file
   Fail: (185) [system] (:)=end_of_file
^  Call: (185) [user] read_symbolic(')', (0x55772f068e50), :, _1241992)
^  Call: (186) [user] read_symbolic_cont(')', (0x55772f068e50), _1277502)
   Call: (187) [system] peek_char((0x55772f068e50), _1278436)
   Exit: (187) [system] peek_char((0x55772f068e50), ' ')
^  Call: (187) [user] is_delimiter(' ')
   Call: (188) [system] char_type(' ', space)
   Exit: (188) [system] char_type(' ', space)
^  Exit: (187) [user] is_delimiter(' ')
   Call: (187) [system] _1277502=[]
   Exit: (187) [system] []=[]
^  Exit: (186) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (186) [user] classify_and_convert_charseq([:], _1241992)
^  Call: (187) [user] classify_and_convert_charseq_([:], _1287720)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_1288672, _1288674), once(user:catch(read_from_chars([:], _1287720), _1288654, fail)), '$restore_trace'(_1288672, _1288674))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_1288672, _1288674))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1288654, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(:)
   Exit: (188) [system] atomic(:)
^  Exit: (187) [user] classify_and_convert_charseq_([:], :)
   Call: (187) [system] integer(:)
   Fail: (187) [system] integer(:)
   Call: (187) [system] _1241992=(:)
   Exit: (187) [system] (:)=(:)
^  Exit: (186) [user] classify_and_convert_charseq([:], :)
^  Exit: (185) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (184) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (184) [user] read_list(')', (0x55772f068e50), _1300800)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1302658)
   Exit: (186) [system] peek_char((0x55772f068e50), ' ')
   Call: (186) [system] ' '=(;)
   Fail: (186) [system] ' '=(;)
   Call: (186) [system] ' '=(/)
   Fail: (186) [system] ' '=(/)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x55772f068e50), _1312252)
   Exit: (186) [system] get_char((0x55772f068e50), ' ')
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1314956)
   Exit: (187) [system] peek_char((0x55772f068e50), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
   Call: (187) [system] r=(/)
   Fail: (187) [system] r=(/)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1331890)
   Exit: (185) [system] peek_char((0x55772f068e50), r)
   Call: (185) [system] r=')'
   Fail: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
   Fail: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x55772f068e50), _1337460)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1339318)
   Exit: (187) [system] peek_char((0x55772f068e50), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
   Call: (187) [system] r=(/)
   Fail: (187) [system] r=(/)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] get_char((0x55772f068e50), _1355328)
   Exit: (186) [system] get_char((0x55772f068e50), r)
   Call: (186) [system] r='('
   Fail: (186) [system] r='('
   Call: (186) [system] r='['
   Fail: (186) [system] r='['
   Call: (186) [system] r='{'
   Fail: (186) [system] r='{'
   Call: (186) [system] r='"'
   Fail: (186) [system] r='"'
   Call: (186) [system] r=!
   Fail: (186) [system] r=!
   Call: (186) [system] r='\''
   Fail: (186) [system] r='\''
   Call: (186) [system] r='`'
   Fail: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
   Fail: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x55772f068e50), r, _1337460)
^  Call: (187) [user] read_symbolic_cont(')', (0x55772f068e50), _1372970)
   Call: (188) [system] peek_char((0x55772f068e50), _1373904)
   Exit: (188) [system] peek_char((0x55772f068e50), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_1378624, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_1379556, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x55772f068e50), b)
   Exit: (188) [system] get_char((0x55772f068e50), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _1386906)
   Call: (189) [system] peek_char((0x55772f068e50), _1387840)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _1386906=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (188) [system] _1372970=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
^  Call: (187) [user] classify_and_convert_charseq([r, b], _1337460)
^  Call: (188) [user] classify_and_convert_charseq_([r, b], _1399918)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1400870, _1400872), once(user:catch(read_from_chars([r, b], _1399918), _1400852, fail)), '$restore_trace'(_1400870, _1400872))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1400870, _1400872))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _1400852, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(rb)
   Exit: (189) [system] atomic(rb)
^  Exit: (188) [user] classify_and_convert_charseq_([r, b], rb)
   Call: (188) [system] integer(rb)
   Fail: (188) [system] integer(rb)
   Call: (188) [system] _1337460=rb
   Exit: (188) [system] rb=rb
^  Exit: (187) [user] classify_and_convert_charseq([r, b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x55772f068e50), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x55772f068e50), rb)
^  Call: (185) [user] read_list(')', (0x55772f068e50), _1412998)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1414856)
   Exit: (187) [system] peek_char((0x55772f068e50), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x55772f068e50), _1424450)
   Exit: (187) [system] get_char((0x55772f068e50), ' ')
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1427154)
   Exit: (188) [system] peek_char((0x55772f068e50), '(')
   Call: (188) [system] '('=(;)
   Fail: (188) [system] '('=(;)
   Call: (188) [system] '('=(/)
   Fail: (188) [system] '('=(/)
^  Call: (188) [user] is_like_space('(')
   Call: (189) [system] char_type('(', 'white')
   Fail: (189) [system] char_type('(', 'white')
   Call: (189) [system] char_type('(', end_of_line)
   Fail: (189) [system] char_type('(', end_of_line)
   Call: (189) [system] char_type('(', space)
   Fail: (189) [system] char_type('(', space)
   Call: (189) [system] char_type('(', cntrl)
   Fail: (189) [system] char_type('(', cntrl)
^  Fail: (188) [user] is_like_space('(')
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1444088)
   Exit: (186) [system] peek_char((0x55772f068e50), '(')
   Call: (186) [system] '('=')'
   Fail: (186) [system] '('=')'
   Call: (186) [system] '('=end_of_file
   Fail: (186) [system] '('=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x55772f068e50), _1449658)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1451516)
   Exit: (188) [system] peek_char((0x55772f068e50), '(')
   Call: (188) [system] '('=(;)
   Fail: (188) [system] '('=(;)
   Call: (188) [system] '('=(/)
   Fail: (188) [system] '('=(/)
^  Call: (188) [user] is_like_space('(')
   Call: (189) [system] char_type('(', 'white')
   Fail: (189) [system] char_type('(', 'white')
   Call: (189) [system] char_type('(', end_of_line)
   Fail: (189) [system] char_type('(', end_of_line)
   Call: (189) [system] char_type('(', space)
   Fail: (189) [system] char_type('(', space)
   Call: (189) [system] char_type('(', cntrl)
   Fail: (189) [system] char_type('(', cntrl)
^  Fail: (188) [user] is_like_space('(')
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] get_char((0x55772f068e50), _1467526)
   Exit: (187) [system] get_char((0x55772f068e50), '(')
   Call: (187) [system] '('='('
   Exit: (187) [system] '('='('
^  Call: (187) [user] read_list(')', (0x55772f068e50), _1449658)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1473096)
   Exit: (189) [system] peek_char((0x55772f068e50), -)
   Call: (189) [system] (-)=(;)
   Fail: (189) [system] (-)=(;)
   Call: (189) [system] (-)=(/)
   Fail: (189) [system] (-)=(/)
^  Call: (189) [user] is_like_space(-)
   Call: (190) [system] char_type(-, 'white')
   Fail: (190) [system] char_type(-, 'white')
   Call: (190) [system] char_type(-, end_of_line)
   Fail: (190) [system] char_type(-, end_of_line)
   Call: (190) [system] char_type(-, space)
   Fail: (190) [system] char_type(-, space)
   Call: (190) [system] char_type(-, cntrl)
   Fail: (190) [system] char_type(-, cntrl)
^  Fail: (189) [user] is_like_space(-)
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1489106)
   Exit: (188) [system] peek_char((0x55772f068e50), -)
   Call: (188) [system] (-)=')'
   Fail: (188) [system] (-)=')'
   Call: (188) [system] (-)=end_of_file
   Fail: (188) [system] (-)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x55772f068e50), _1494676)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1496534)
   Exit: (190) [system] peek_char((0x55772f068e50), -)
   Call: (190) [system] (-)=(;)
   Fail: (190) [system] (-)=(;)
   Call: (190) [system] (-)=(/)
   Fail: (190) [system] (-)=(/)
^  Call: (190) [user] is_like_space(-)
   Call: (191) [system] char_type(-, 'white')
   Fail: (191) [system] char_type(-, 'white')
   Call: (191) [system] char_type(-, end_of_line)
   Fail: (191) [system] char_type(-, end_of_line)
   Call: (191) [system] char_type(-, space)
   Fail: (191) [system] char_type(-, space)
   Call: (191) [system] char_type(-, cntrl)
   Fail: (191) [system] char_type(-, cntrl)
^  Fail: (190) [user] is_like_space(-)
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] get_char((0x55772f068e50), _1512544)
   Exit: (189) [system] get_char((0x55772f068e50), -)
   Call: (189) [system] (-)='('
   Fail: (189) [system] (-)='('
   Call: (189) [system] (-)='['
   Fail: (189) [system] (-)='['
   Call: (189) [system] (-)='{'
   Fail: (189) [system] (-)='{'
   Call: (189) [system] (-)='"'
   Fail: (189) [system] (-)='"'
   Call: (189) [system] (-)=!
   Fail: (189) [system] (-)=!
   Call: (189) [system] (-)='\''
   Fail: (189) [system] (-)='\''
   Call: (189) [system] (-)='`'
   Fail: (189) [system] (-)='`'
   Call: (189) [system] (-)=end_of_file
   Fail: (189) [system] (-)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x55772f068e50), -, _1494676)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _1530186)
   Call: (191) [system] peek_char((0x55772f068e50), _1531120)
   Exit: (191) [system] peek_char((0x55772f068e50), >)
^  Call: (191) [user] is_delimiter(>)
   Call: (192) [system] char_type(>, space)
   Fail: (192) [system] char_type(>, space)
   Call: (192) [system] arg(_1535840, v('(', ')', end_of_file), >)
   Fail: (192) [system] arg(_1536772, v('(', ')', end_of_file), >)
^  Fail: (191) [user] is_delimiter(>)
   Call: (191) [system] ')'==(>)
   Fail: (191) [system] ')'==(>)
   Call: (191) [system] get_char((0x55772f068e50), >)
   Exit: (191) [system] get_char((0x55772f068e50), >)
   Call: (191) [system] (>)=(\)
   Fail: (191) [system] (>)=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _1544122)
   Call: (192) [system] peek_char((0x55772f068e50), _1545056)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _1544122=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (191) [system] _1530186=[>]
   Exit: (191) [system] [>]=[>]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [>])
^  Call: (190) [user] classify_and_convert_charseq([-, >], _1494676)
^  Call: (191) [user] classify_and_convert_charseq_([-, >], _1557134)
^  Call: (193) [system] setup_call_cleanup('$notrace'(_1558086, _1558088), once(user:catch(read_from_chars([-, >], _1557134), _1558068, fail)), '$restore_trace'(_1558086, _1558088))
^  Call: (194) [system] sig_atomic(system:'$notrace'(_1558086, _1558088))
^  Exit: (193) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _1558068, fail)), system:'$restore_trace'(3, -1))
   Call: (192) [system] atomic(->)
   Exit: (192) [system] atomic(->)
^  Exit: (191) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (191) [system] integer(->)
   Fail: (191) [system] integer(->)
   Call: (191) [system] _1494676=(->)
   Exit: (191) [system] (->)=(->)
^  Exit: (190) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (189) [user] read_symbolic(')', (0x55772f068e50), -, ->)
^  Exit: (188) [user] cont_sexpr(')', (0x55772f068e50), ->)
^  Call: (188) [user] read_list(')', (0x55772f068e50), _1570214)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1572072)
   Exit: (190) [system] peek_char((0x55772f068e50), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x55772f068e50), _1581666)
   Exit: (190) [system] get_char((0x55772f068e50), ' ')
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1584370)
   Exit: (191) [system] peek_char((0x55772f068e50), 'A')
   Call: (191) [system] 'A'=(;)
   Fail: (191) [system] 'A'=(;)
   Call: (191) [system] 'A'=(/)
   Fail: (191) [system] 'A'=(/)
^  Call: (191) [user] is_like_space('A')
   Call: (192) [system] char_type('A', 'white')
   Fail: (192) [system] char_type('A', 'white')
   Call: (192) [system] char_type('A', end_of_line)
   Fail: (192) [system] char_type('A', end_of_line)
   Call: (192) [system] char_type('A', space)
   Fail: (192) [system] char_type('A', space)
   Call: (192) [system] char_type('A', cntrl)
   Fail: (192) [system] char_type('A', cntrl)
^  Fail: (191) [user] is_like_space('A')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1601304)
   Exit: (189) [system] peek_char((0x55772f068e50), 'A')
   Call: (189) [system] 'A'=')'
   Fail: (189) [system] 'A'=')'
   Call: (189) [system] 'A'=end_of_file
   Fail: (189) [system] 'A'=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x55772f068e50), _1606874)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1608732)
   Exit: (191) [system] peek_char((0x55772f068e50), 'A')
   Call: (191) [system] 'A'=(;)
   Fail: (191) [system] 'A'=(;)
   Call: (191) [system] 'A'=(/)
   Fail: (191) [system] 'A'=(/)
^  Call: (191) [user] is_like_space('A')
   Call: (192) [system] char_type('A', 'white')
   Fail: (192) [system] char_type('A', 'white')
   Call: (192) [system] char_type('A', end_of_line)
   Fail: (192) [system] char_type('A', end_of_line)
   Call: (192) [system] char_type('A', space)
   Fail: (192) [system] char_type('A', space)
   Call: (192) [system] char_type('A', cntrl)
   Fail: (192) [system] char_type('A', cntrl)
^  Fail: (191) [user] is_like_space('A')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] get_char((0x55772f068e50), _1624742)
   Exit: (190) [system] get_char((0x55772f068e50), 'A')
   Call: (190) [system] 'A'='('
   Fail: (190) [system] 'A'='('
   Call: (190) [system] 'A'='['
   Fail: (190) [system] 'A'='['
   Call: (190) [system] 'A'='{'
   Fail: (190) [system] 'A'='{'
   Call: (190) [system] 'A'='"'
   Fail: (190) [system] 'A'='"'
   Call: (190) [system] 'A'=!
   Fail: (190) [system] 'A'=!
   Call: (190) [system] 'A'='\''
   Fail: (190) [system] 'A'='\''
   Call: (190) [system] 'A'='`'
   Fail: (190) [system] 'A'='`'
   Call: (190) [system] 'A'=end_of_file
   Fail: (190) [system] 'A'=end_of_file
^  Call: (190) [user] read_symbolic(')', (0x55772f068e50), 'A', _1606874)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _1642384)
   Call: (192) [system] peek_char((0x55772f068e50), _1643318)
   Exit: (192) [system] peek_char((0x55772f068e50), t)
^  Call: (192) [user] is_delimiter(t)
   Call: (193) [system] char_type(t, space)
   Fail: (193) [system] char_type(t, space)
   Call: (193) [system] arg(_1648038, v('(', ')', end_of_file), t)
   Fail: (193) [system] arg(_1648970, v('(', ')', end_of_file), t)
^  Fail: (192) [user] is_delimiter(t)
   Call: (192) [system] ')'==t
   Fail: (192) [system] ')'==t
   Call: (192) [system] get_char((0x55772f068e50), t)
   Exit: (192) [system] get_char((0x55772f068e50), t)
   Call: (192) [system] t=(\)
   Fail: (192) [system] t=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _1656320)
   Call: (193) [system] peek_char((0x55772f068e50), _1657254)
   Exit: (193) [system] peek_char((0x55772f068e50), o)
^  Call: (193) [user] is_delimiter(o)
   Call: (194) [system] char_type(o, space)
   Fail: (194) [system] char_type(o, space)
   Call: (194) [system] arg(_1661974, v('(', ')', end_of_file), o)
   Fail: (194) [system] arg(_1662906, v('(', ')', end_of_file), o)
^  Fail: (193) [user] is_delimiter(o)
   Call: (193) [system] ')'==o
   Fail: (193) [system] ')'==o
   Call: (193) [system] get_char((0x55772f068e50), o)
   Exit: (193) [system] get_char((0x55772f068e50), o)
   Call: (193) [system] o=(\)
   Fail: (193) [system] o=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _1670256)
   Call: (194) [system] peek_char((0x55772f068e50), _1671190)
   Exit: (194) [system] peek_char((0x55772f068e50), m)
^  Call: (194) [user] is_delimiter(m)
   Call: (195) [system] char_type(m, space)
   Fail: (195) [system] char_type(m, space)
   Call: (195) [system] arg(_1675910, v('(', ')', end_of_file), m)
   Fail: (195) [system] arg(_1676842, v('(', ')', end_of_file), m)
^  Fail: (194) [user] is_delimiter(m)
   Call: (194) [system] ')'==m
   Fail: (194) [system] ')'==m
   Call: (194) [system] get_char((0x55772f068e50), m)
   Exit: (194) [system] get_char((0x55772f068e50), m)
   Call: (194) [system] m=(\)
   Fail: (194) [system] m=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _1684192)
   Call: (195) [system] peek_char((0x55772f068e50), _1685126)
   Exit: (195) [system] peek_char((0x55772f068e50), ')')
^  Call: (195) [user] is_delimiter(')')
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] arg(_1689846, v('(', ')', end_of_file), ')')
   Exit: (196) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (195) [user] is_delimiter(')')
   Call: (195) [system] _1684192=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (194) [system] _1670256=[m]
   Exit: (194) [system] [m]=[m]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [m])
   Call: (193) [system] _1656320=[o, m]
   Exit: (193) [system] [o, m]=[o, m]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [o, m])
   Call: (192) [system] _1642384=[t, o, m]
   Exit: (192) [system] [t, o, m]=[t, o, m]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [t, o, m])
^  Call: (191) [user] classify_and_convert_charseq(['A', t, o, m], _1606874)
^  Call: (192) [user] classify_and_convert_charseq_(['A', t, o, m], _1704664)
^  Call: (194) [system] setup_call_cleanup('$notrace'(_1705616, _1705618), once(user:catch(read_from_chars(['A', t, o, m], _1704664), _1705598, fail)), '$restore_trace'(_1705616, _1705618))
^  Call: (195) [system] sig_atomic(system:'$notrace'(_1705616, _1705618))
^  Exit: (194) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', t, o, m], _1704664), _1705598, fail)), system:'$restore_trace'(3, -1))
   Call: (193) [system] atomic(_1704664)
   Fail: (193) [system] atomic(_1704664)
   Call: (193) [system] atom_chars(_1704664, ['A', t, o, m])
   Exit: (193) [system] atom_chars('Atom', ['A', t, o, m])
^  Exit: (192) [user] classify_and_convert_charseq_(['A', t, o, m], 'Atom')
   Call: (192) [system] integer('Atom')
   Fail: (192) [system] integer('Atom')
   Call: (192) [system] _1606874='Atom'
   Exit: (192) [system] 'Atom'='Atom'
^  Exit: (191) [user] classify_and_convert_charseq(['A', t, o, m], 'Atom')
^  Exit: (190) [user] read_symbolic(')', (0x55772f068e50), 'A', 'Atom')
^  Exit: (189) [user] cont_sexpr(')', (0x55772f068e50), 'Atom')
^  Call: (189) [user] read_list(')', (0x55772f068e50), _1719614)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1721472)
   Exit: (191) [system] peek_char((0x55772f068e50), ')')
   Call: (191) [system] ')'=(;)
   Fail: (191) [system] ')'=(;)
   Call: (191) [system] ')'=(/)
   Fail: (191) [system] ')'=(/)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Fail: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Fail: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
   Fail: (192) [system] char_type(')', cntrl)
^  Fail: (191) [user] is_like_space(')')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1737482)
   Exit: (190) [system] peek_char((0x55772f068e50), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x55772f068e50), _1741272)
   Exit: (190) [system] get_char((0x55772f068e50), ')')
   Call: (190) [system] _1719614=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x55772f068e50), [])
   Call: (189) [system] _1570214=['Atom']
   Exit: (189) [system] ['Atom']=['Atom']
^  Exit: (188) [user] read_list(')', (0x55772f068e50), ['Atom'])
   Call: (188) [system] _1449658=[->, 'Atom']
   Exit: (188) [system] [->, 'Atom']=[->, 'Atom']
^  Exit: (187) [user] read_list(')', (0x55772f068e50), [->, 'Atom'])
^  Exit: (186) [user] cont_sexpr(')', (0x55772f068e50), [->, 'Atom'])
^  Call: (186) [user] read_list(')', (0x55772f068e50), _1752360)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1754218)
   Exit: (188) [system] peek_char((0x55772f068e50), ')')
   Call: (188) [system] ')'=(;)
   Fail: (188) [system] ')'=(;)
   Call: (188) [system] ')'=(/)
   Fail: (188) [system] ')'=(/)
^  Call: (188) [user] is_like_space(')')
   Call: (189) [system] char_type(')', 'white')
   Fail: (189) [system] char_type(')', 'white')
   Call: (189) [system] char_type(')', end_of_line)
   Fail: (189) [system] char_type(')', end_of_line)
   Call: (189) [system] char_type(')', space)
   Fail: (189) [system] char_type(')', space)
   Call: (189) [system] char_type(')', cntrl)
   Fail: (189) [system] char_type(')', cntrl)
^  Fail: (188) [user] is_like_space(')')
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1770228)
   Exit: (187) [system] peek_char((0x55772f068e50), ')')
   Call: (187) [system] ')'=')'
   Exit: (187) [system] ')'=')'
   Call: (187) [system] get_char((0x55772f068e50), _1774018)
   Exit: (187) [system] get_char((0x55772f068e50), ')')
   Call: (187) [system] _1752360=[]
   Exit: (187) [system] []=[]
^  Exit: (186) [user] read_list(')', (0x55772f068e50), [])
   Call: (186) [system] _1412998=[[->, 'Atom']]
   Exit: (186) [system] [[->, 'Atom']]=[[->, 'Atom']]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [[->, 'Atom']])
   Call: (185) [system] _1300800=[rb, [->, 'Atom']]
   Exit: (185) [system] [rb, [->, 'Atom']]=[rb, [->, 'Atom']]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [rb, [->, 'Atom']])
   Call: (184) [system] _1163498=[:, rb, [->, 'Atom']]
   Exit: (184) [system] [:, rb, [->, 'Atom']]=[:, rb, [->, 'Atom']]
^  Exit: (183) [user] read_list(')', (0x55772f068e50), [:, rb, [->, 'Atom']])
^  Exit: (182) [user] cont_sexpr(')', (0x55772f068e50), [:, rb, [->, 'Atom']])
^  Exit: (181) [user] read_sexpr((0x55772f068e50), [:, rb, [->, 'Atom']])
^  Call: (181) [user] assertz(metta_file_comment(109, 0, 4349, [:, rb, [->, 'Atom']], '$stream_position'(4349, 109, 0, 4349)))
^  Exit: (181) [user] assertz(metta_file_comment(109, 0, 4349, [:, rb, [->, 'Atom']], '$stream_position'(4349, 109, 0, 4349)))
^  Exit: (179) [system] once(user:(read_position((0x55772f068e50), 109, 0, 4349, '$stream_position'(4349, 109, 0, 4349)), read_sexpr((0x55772f068e50), [:, rb, [->, 'Atom']]), assertz(metta_file_comment(109, 0, 4349, [:, rb, [->, 'Atom']], '$stream_position'(4349, 109, 0, 4349)))))
   Call: (179) [system] fail
^  Call: (179) [user] retract(metta_file_comment(_1792536, _1792538, _1792540, _1792542, _1792544))
^  Exit: (179) [user] retract(metta_file_comment(19, 0, 457, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], '$stream_position'(457, 19, 0, 457)))
^  Call: (179) [user] trly(untyped_to_metta, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _3084)
^  Call: (180) [user] once(call(untyped_to_metta, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1795448))
^  Call: (181) [user] call(untyped_to_metta, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1795448)
^  Call: (182) [user] untyped_to_metta([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1795448)
^  Call: (183) [user] must_det_ll(trly(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1798264))
^  Call: (184) [user] once(user:trly(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1798264))
^  Call: (185) [user] trly(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1798264)
^  Call: (186) [user] once(call(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1801064))
^  Call: (187) [user] call(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1801064)
^  Call: (188) [user] mfix_vars1([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1801064)
   Call: (189) [system] var([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Call: (189) [system] atom([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Call: (189) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]==true
   Call: (189) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]==false
   Call: (189) [system] (:)=='['
   Call: (189) [system] (:)=='{'
   Call: (189) [system] is_list([synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Exit: (189) [system] is_list([synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Call: (189) [lists] lists:last([synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1811286)
   Call: (190) [lists] lists:last_([[->, _a, [->, _kt], [->, _rt], 'Nat', _a]], synthesize, _1811286)
   Call: (191) [lists] lists:last_([], [->, _a, [->, _kt], [->, _rt], 'Nat', _a], _1811286)
   Exit: (191) [lists] lists:last_([], [->, _a, [->, _kt], [->, _rt], 'Nat', _a], [->, _a, [->, _kt], [->, _rt], 'Nat', _a])
   Exit: (190) [lists] lists:last_([[->, _a, [->, _kt], [->, _rt], 'Nat', _a]], synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a])
   Exit: (189) [lists] lists:last([synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [->, _a, [->, _kt], [->, _rt], 'Nat', _a])
   Call: (189) [system] [->, _a, [->, _kt], [->, _rt], 'Nat', _a]=='}'
   Call: (189) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]==[_1817802, _1817808]
   Call: (189) [system] fail
   Call: (189) [system] is_list([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Exit: (189) [system] is_list([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Call: (189) [user] apply:maplist(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1801064)
   Call: (190) [apply] apply:maplist_([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1801064, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(:, _1823382)
   Call: (192) [system] var(:)
   Call: (192) [system] atom(:)
   Exit: (192) [system] atom(:)
^  Call: (192) [user] symbol_concat($, _1827090, :)
   Call: (193) [system] atom_concat($, _1827090, :)
   Fail: (193) [system] atom_concat($, _1827090, :)
^  Fail: (192) [user] symbol_concat($, _1827090, :)
   Call: (192) [system] (:)==true
   Call: (192) [system] (:)==false
   Call: (192) [system] (:)==[_1832678, _1832684]
   Call: (192) [system] is_list(:)
   Call: (192) [system] string(:)
   Call: (192) [system] compound(:)
^  Call: (192) [user] symbol(:)
   Call: (193) [system] atom(:)
   Exit: (193) [system] atom(:)
^  Exit: (192) [user] symbol(:)
^  Exit: (191) [user] mfix_vars1(:, :)
   Call: (191) [apply] apply:maplist_([synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1823384, user:mfix_vars1)
^  Call: (192) [user] mfix_vars1(synthesize, _1841946)
   Call: (193) [system] var(synthesize)
   Call: (193) [system] atom(synthesize)
   Exit: (193) [system] atom(synthesize)
^  Call: (193) [user] symbol_concat($, _1845654, synthesize)
   Call: (194) [system] atom_concat($, _1845654, synthesize)
   Fail: (194) [system] atom_concat($, _1845654, synthesize)
^  Fail: (193) [user] symbol_concat($, _1845654, synthesize)
   Call: (193) [system] synthesize==true
   Call: (193) [system] synthesize==false
   Call: (193) [system] synthesize==[_1851242, _1851248]
   Call: (193) [system] is_list(synthesize)
   Call: (193) [system] string(synthesize)
   Call: (193) [system] compound(synthesize)
^  Call: (193) [user] symbol(synthesize)
   Call: (194) [system] atom(synthesize)
   Exit: (194) [system] atom(synthesize)
^  Exit: (193) [user] symbol(synthesize)
^  Exit: (192) [user] mfix_vars1(synthesize, synthesize)
   Call: (192) [apply] apply:maplist_([[->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1841948, user:mfix_vars1)
^  Call: (193) [user] mfix_vars1([->, _a, [->, _kt], [->, _rt], 'Nat', _a], _1860510)
   Call: (194) [system] var([->, _a, [->, _kt], [->, _rt], 'Nat', _a])
   Call: (194) [system] atom([->, _a, [->, _kt], [->, _rt], 'Nat', _a])
   Call: (194) [system] [->, _a, [->, _kt], [->, _rt], 'Nat', _a]==true
   Call: (194) [system] [->, _a, [->, _kt], [->, _rt], 'Nat', _a]==false
   Call: (194) [system] (->)=='['
   Call: (194) [system] (->)=='{'
   Call: (194) [system] is_list([_a, [->, _kt], [->, _rt], 'Nat', _a])
   Exit: (194) [system] is_list([_a, [->, _kt], [->, _rt], 'Nat', _a])
   Call: (194) [lists] lists:last([_a, [->, _kt], [->, _rt], 'Nat', _a], _1868854)
   Call: (195) [lists] lists:last_([[->, _kt], [->, _rt], 'Nat', _a], _a, _1868854)
   Call: (196) [lists] lists:last_([[->, _rt], 'Nat', _a], [->, _kt], _1868854)
   Call: (197) [lists] lists:last_(['Nat', _a], [->, _rt], _1868854)
   Call: (198) [lists] lists:last_([_a], 'Nat', _1868854)
   Call: (199) [lists] lists:last_([], _a, _1868854)
   Exit: (199) [lists] lists:last_([], _a, _a)
   Exit: (198) [lists] lists:last_([_a], 'Nat', _a)
   Exit: (197) [lists] lists:last_(['Nat', _a], [->, _rt], _a)
   Exit: (196) [lists] lists:last_([[->, _rt], 'Nat', _a], [->, _kt], _a)
   Exit: (195) [lists] lists:last_([[->, _kt], [->, _rt], 'Nat', _a], _a, _a)
   Exit: (194) [lists] lists:last([_a, [->, _kt], [->, _rt], 'Nat', _a], _a)
   Call: (194) [system] _a=='}'
   Call: (194) [system] [->, _a, [->, _kt], [->, _rt], 'Nat', _a]==[_1880962, _1880968]
   Call: (194) [system] fail
   Call: (194) [system] is_list([->, _a, [->, _kt], [->, _rt], 'Nat', _a])
   Exit: (194) [system] is_list([->, _a, [->, _kt], [->, _rt], 'Nat', _a])
^  Call: (194) [user] apply:maplist(mfix_vars1, [->, _a, [->, _kt], [->, _rt], 'Nat', _a], _1860510)
   Call: (195) [apply] apply:maplist_([->, _a, [->, _kt], [->, _rt], 'Nat', _a], _1860510, user:mfix_vars1)
^  Call: (196) [user] mfix_vars1(->, _1886542)
   Call: (197) [system] var(->)
   Call: (197) [system] atom(->)
   Exit: (197) [system] atom(->)
^  Call: (197) [user] symbol_concat($, _1890250, ->)
   Call: (198) [system] atom_concat($, _1890250, ->)
   Fail: (198) [system] atom_concat($, _1890250, ->)
^  Fail: (197) [user] symbol_concat($, _1890250, ->)
   Call: (197) [system] (->)==true
   Call: (197) [system] (->)==false
   Call: (197) [system] (->)==[_1895838, _1895844]
   Call: (197) [system] is_list(->)
   Call: (197) [system] string(->)
   Call: (197) [system] compound(->)
^  Call: (197) [user] symbol(->)
   Call: (198) [system] atom(->)
   Exit: (198) [system] atom(->)
^  Exit: (197) [user] symbol(->)
^  Exit: (196) [user] mfix_vars1(->, ->)
   Call: (196) [apply] apply:maplist_([_a, [->, _kt], [->, _rt], 'Nat', _a], _1886544, user:mfix_vars1)
^  Call: (197) [user] mfix_vars1(_a, _1905106)
   Call: (198) [system] var(_a)
   Call: (198) [system] atom(_a)
   Call: (198) [system] _a==true
   Call: (198) [system] _a==false
   Call: (198) [system] _a==[_1909748, _1909754]
   Call: (198) [system] is_list(_a)
   Call: (198) [system] string(_a)
   Call: (198) [system] compound(_a)
   Exit: (198) [system] compound(_a)
   Call: (198) [system] compound_name_arguments(_a, _1914382, _1914384)
   Exit: (198) [system] compound_name_arguments(_a, '$VAR', ['_a'])
   Call: (198) [system] '$VAR'\=='$VAR'
^  Exit: (185) [user] trly(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (184) [system] once(user:trly(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
^  Exit: (183) [user] must_det_ll(user:trly(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
^  Call: (183) [user] must_det_ll(trly(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1919976))
^  Call: (184) [user] once(user:trly(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1919976))
^  Call: (185) [user] trly(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1919976)
^  Call: (186) [user] once(call(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1922776))
^  Call: (187) [user] call(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1922776)
^  Call: (188) [user] cons_to_c([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1922776)
^  Call: (189) [user] no_cons_reduce
^  Exit: (189) [user] no_cons_reduce
^  Exit: (188) [user] cons_to_c([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (187) [system] call(user:cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (186) [system] once(user:call(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
   Call: (186) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]\=@=[:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
^  Exit: (185) [user] trly(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (184) [system] once(user:trly(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
^  Exit: (183) [user] must_det_ll(user:trly(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
^  Call: (183) [user] must_det_ll(trly(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1795448))
^  Call: (184) [user] once(user:trly(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1795448))
^  Call: (185) [user] trly(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1795448)
^  Call: (186) [user] once(call(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1936734))
^  Call: (187) [user] call(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1936734)
^  Call: (188) [user] cons_to_l([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1936734)
^  Call: (189) [user] no_cons_reduce
^  Exit: (189) [user] no_cons_reduce
^  Exit: (188) [user] cons_to_l([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (187) [system] call(user:cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (186) [system] once(user:call(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
   Call: (186) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]\=@=[:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
^  Exit: (185) [user] trly(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (184) [system] once(user:trly(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
^  Exit: (183) [user] must_det_ll(user:trly(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
^  Exit: (182) [user] untyped_to_metta([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (181) [system] call(user:untyped_to_metta, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (180) [system] once(user:call(untyped_to_metta, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
   Call: (180) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]\=@=[:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
^  Exit: (179) [user] trly(untyped_to_metta, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (178) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Call: (178) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])))
   Exit: (178) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])))
^  Exit: (177) [user] new_parse_sexpr_metta_IO((0x55772f068e50), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (176) [user] parse_sexpr_metta_IO((0x55772f068e50), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (175) [user] parse_sexpr_metta_IO((0x55772f068e50), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (171) [user] read_sform((0x55772f068e50), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (170) [system] once(user:read_sform((0x55772f068e50), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x55772f068e50), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
   Call: (169) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]==end_of_file
   Fail: (169) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]), 106]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x55772f06bcd0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], me_synthesize_1727481849_9551582, 106)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]), 106]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727481859.288104)
   Call: (173) [system] arg(1, t(1727481858.222791), _3148)
   Exit: (173) [system] arg(1, t(1727481858.222791), 1727481858.222791)
   Call: (173) [system] _3158 is 1727481859.288104-1727481858.222791
   Exit: (173) [system] 1.0653131008148193 is 1727481859.288104-1727481858.222791
   Call: (173) [system] 1.0653131008148193>4
   Fail: (173) [system] 1.0653131008148193>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]), 106]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 16)
   Call: (175) [system] atom(16+1)
   Call: (175) [system] set_flag(translated_forms, 17)
   Exit: (175) [system] set_flag(translated_forms, 17)
   Exit: (174) [$syspreds] update_flag(translated_forms, 16, 16+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 16, 16+1))
   Exit: (171) [$syspreds] flag(translated_forms, 16, 16+1)
^  Call: (171) [user] write_metta_datalog_term((0x55772f06bcd0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], me_synthesize_1727481849_9551582, 106)
^  Call: (172) [user] s2t_iz(me_synthesize_1727481849_9551582, _1990060, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1990062)
   Call: (173) [system] (:)==(:)
   Exit: (173) [system] (:)==(:)
   Call: (173) [system] is_list([->, _a, [->, _kt], [->, _rt], 'Nat', _a])
   Exit: (173) [system] is_list([->, _a, [->, _kt], [->, _rt], 'Nat', _a])
^  Call: (173) [user] mangle_iz(me_synthesize_1727481849_9551582, _1990060)
^  Call: (174) [user] symbol_concat(me_synthesize_1727481849_9551582, '_iz', _1990060)
   Call: (175) [system] atom_concat(me_synthesize_1727481849_9551582, '_iz', _1990060)
   Exit: (175) [system] atom_concat(me_synthesize_1727481849_9551582, '_iz', me_synthesize_1727481849_9551582_iz)
^  Exit: (174) [user] symbol_concat(me_synthesize_1727481849_9551582, '_iz', me_synthesize_1727481849_9551582_iz)
^  Exit: (173) [user] mangle_iz(me_synthesize_1727481849_9551582, me_synthesize_1727481849_9551582_iz)
^  Call: (173) [user] apply:maplist(s2t, [->, _a, [->, _kt], [->, _rt], 'Nat', _a], _1991004)
   Call: (174) [apply] apply:maplist_([->, _a, [->, _kt], [->, _rt], 'Nat', _a], _1991004, user:s2t)
^  Call: (175) [user] s2t(->, _2002172)
   Call: (176) [system] compound(->)
   Call: (176) [system] (->)=_2002172
   Exit: (176) [system] (->)=(->)
^  Exit: (175) [user] s2t(->, ->)
   Call: (175) [apply] apply:maplist_([_a, [->, _kt], [->, _rt], 'Nat', _a], _2002174, user:s2t)
^  Call: (176) [user] s2t(_a, _2007746)
   Call: (177) [system] compound(_a)
   Exit: (177) [system] compound(_a)
   Call: (177) [system] is_list(_a)
^  Call: (177) [user] s2tl(_a, _2007746)
   Call: (178) [system] compound(_a)
   Exit: (178) [system] compound(_a)
^  Exit: (177) [user] s2tl(_a, _a)
^  Exit: (176) [user] s2t(_a, _a)
   Call: (176) [apply] apply:maplist_([[->, _kt], [->, _rt], 'Nat', _a], _2007748, user:s2t)
^  Call: (177) [user] s2t([->, _kt], _2017016)
   Call: (178) [system] compound([->, _kt])
   Exit: (178) [system] compound([->, _kt])
   Call: (178) [system] (->)==(->)
   Exit: (178) [system] (->)==(->)
^  Call: (178) [user] s2tl([_kt], _2021652)
   Call: (179) [system] compound([_kt])
   Exit: (179) [system] compound([_kt])
^  Call: (179) [user] s2t(_kt, _2024432)
   Call: (180) [system] compound(_kt)
   Exit: (180) [system] compound(_kt)
   Call: (180) [system] is_list(_kt)
^  Call: (180) [user] s2tl(_kt, _2024432)
   Call: (181) [system] compound(_kt)
   Exit: (181) [system] compound(_kt)
^  Exit: (180) [user] s2tl(_kt, _kt)
^  Exit: (179) [user] s2t(_kt, _kt)
^  Call: (179) [user] s2tl([], _2024434)
   Call: (180) [system] compound([])
   Call: (180) [system] []=_2024434
   Exit: (180) [system] []=[]
^  Exit: (179) [user] s2tl([], [])
^  Exit: (178) [user] s2tl([_kt], [_kt])
   Call: (178) [system] _2017016=..[->, [_kt]]
   Exit: (178) [system] ->([_kt])=..[->, [_kt]]
^  Exit: (177) [user] s2t([->, _kt], ->([_kt]))
   Call: (177) [apply] apply:maplist_([[->, _rt], 'Nat', _a], _2017018, user:s2t)
^  Call: (178) [user] s2t([->, _rt], _2042066)
   Call: (179) [system] compound([->, _rt])
   Exit: (179) [system] compound([->, _rt])
   Call: (179) [system] (->)==(->)
   Exit: (179) [system] (->)==(->)
^  Call: (179) [user] s2tl([_rt], _2046702)
   Call: (180) [system] compound([_rt])
   Exit: (180) [system] compound([_rt])
^  Call: (180) [user] s2t(_rt, _2049482)
   Call: (181) [system] compound(_rt)
   Exit: (181) [system] compound(_rt)
   Call: (181) [system] is_list(_rt)
^  Call: (181) [user] s2tl(_rt, _2049482)
   Call: (182) [system] compound(_rt)
   Exit: (182) [system] compound(_rt)
^  Exit: (181) [user] s2tl(_rt, _rt)
^  Exit: (180) [user] s2t(_rt, _rt)
^  Call: (180) [user] s2tl([], _2049484)
   Call: (181) [system] compound([])
   Call: (181) [system] []=_2049484
   Exit: (181) [system] []=[]
^  Exit: (180) [user] s2tl([], [])
^  Exit: (179) [user] s2tl([_rt], [_rt])
   Call: (179) [system] _2042066=..[->, [_rt]]
   Exit: (179) [system] ->([_rt])=..[->, [_rt]]
^  Exit: (178) [user] s2t([->, _rt], ->([_rt]))
   Call: (178) [apply] apply:maplist_(['Nat', _a], _2042068, user:s2t)
^  Call: (179) [user] s2t('Nat', _2067116)
   Call: (180) [system] compound('Nat')
   Call: (180) [system] 'Nat'=_2067116
   Exit: (180) [system] 'Nat'='Nat'
^  Exit: (179) [user] s2t('Nat', 'Nat')
   Call: (179) [apply] apply:maplist_([_a], _2067118, user:s2t)
^  Call: (180) [user] s2t(_a, _2072690)
   Call: (181) [system] compound(_a)
   Exit: (181) [system] compound(_a)
   Call: (181) [system] is_list(_a)
^  Call: (181) [user] s2tl(_a, _2072690)
   Call: (182) [system] compound(_a)
   Exit: (182) [system] compound(_a)
^  Exit: (181) [user] s2tl(_a, _a)
^  Exit: (180) [user] s2t(_a, _a)
   Call: (180) [apply] apply:maplist_([], _2072692, user:s2t)
   Exit: (180) [apply] apply:maplist_([], [], user:s2t)
   Exit: (179) [apply] apply:maplist_([_a], [_a], user:s2t)
   Exit: (178) [apply] apply:maplist_(['Nat', _a], ['Nat', _a], user:s2t)
   Exit: (177) [apply] apply:maplist_([[->, _rt], 'Nat', _a], [->([_rt]), 'Nat', _a], user:s2t)
   Exit: (176) [apply] apply:maplist_([[->, _kt], [->, _rt], 'Nat', _a], [->([_kt]), ->([_rt]), 'Nat', _a], user:s2t)
   Exit: (175) [apply] apply:maplist_([_a, [->, _kt], [->, _rt], 'Nat', _a], [_a, ->([_kt]), ->([_rt]), 'Nat', _a], user:s2t)
   Exit: (174) [apply] apply:maplist_([->, _a, [->, _kt], [->, _rt], 'Nat', _a], [->, _a, ->([_kt]), ->([_rt]), 'Nat', _a], user:s2t)
^  Exit: (173) [apply] apply:maplist(user:s2t, [->, _a, [->, _kt], [->, _rt], 'Nat', _a], [->, _a, ->([_kt]), ->([_rt]), 'Nat', _a])
^  Exit: (172) [user] s2t_iz(me_synthesize_1727481849_9551582, me_synthesize_1727481849_9551582_iz, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a])
^  Call: (172) [user] relistify([synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a], _2090356)
   Call: (173) [system] is_list([synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a])
   Exit: (173) [system] is_list([synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a])
   Call: (173) [system] _2090356=[synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a]
   Exit: (173) [system] [synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a]=[synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a]
^  Exit: (172) [user] relistify([synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a], [synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a])
   Call: (172) [system] _2095918=..[me_synthesize_1727481849_9551582_iz, 106, synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a]
   Exit: (172) [system] me_synthesize_1727481849_9551582_iz(106, synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a)=..[me_synthesize_1727481849_9551582_iz, 106, synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a]
^  Call: (172) [user] format((0x55772f06bcd0), "~q.~n", [me_synthesize_1727481849_9551582_iz(106, synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a)])
^  Exit: (172) [user] format((0x55772f06bcd0), "~q.~n", [me_synthesize_1727481849_9551582_iz(106, synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a)])
^  Exit: (171) [user] write_metta_datalog_term((0x55772f06bcd0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], me_synthesize_1727481849_9551582, 106)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]), 106]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 16, 16+1), write_metta_datalog_term((0x55772f06bcd0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], me_synthesize_1727481849_9551582, 106)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x55772f068e50))
   Fail: (169) [system] at_end_of_stream((0x55772f068e50))
^  Call: (169) [user] must_det_ll(line_count((0x55772f068e50), _3074))
^  Call: (170) [user] once(user:line_count((0x55772f068e50), _3074))
   Call: (171) [system] line_count((0x55772f068e50), _3074)
   Exit: (171) [system] line_count((0x55772f068e50), 109)
^  Exit: (170) [system] once(user:line_count((0x55772f068e50), 109))
^  Exit: (169) [user] must_det_ll(user:line_count((0x55772f068e50), 109))
^  Call: (169) [user] must_det_ll(read_sform((0x55772f068e50), _3084))
^  Call: (170) [user] once(user:read_sform((0x55772f068e50), _3084))
^  Call: (171) [user] read_sform((0x55772f068e50), _3084)
   Call: (172) [system] string((0x55772f068e50))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (173) [system] string((0x55772f068e50))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (174) [system] at_end_of_stream((0x55772f068e50))
   Call: (174) [system] peek_char((0x55772f068e50), _27672)
   Exit: (174) [system] peek_char((0x55772f068e50), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x55772f068e50), '\n')
   Exit: (174) [system] get_char((0x55772f068e50), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), _3084)
   Call: (175) [system] at_end_of_stream((0x55772f068e50))
   Call: (175) [system] peek_char((0x55772f068e50), _35094)
   Exit: (175) [system] peek_char((0x55772f068e50), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (176) [system] string((0x55772f068e50))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (177) [system] at_end_of_stream((0x55772f068e50))
   Call: (177) [system] peek_char((0x55772f068e50), _43432)
   Exit: (177) [system] peek_char((0x55772f068e50), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _46218=(0x55772f068e50)
   Exit: (177) [system] (0x55772f068e50)=(0x55772f068e50)
^  Call: (177) [user] once((read_position((0x55772f068e50), _48086, _48088, _48090, _48092), read_sexpr((0x55772f068e50), _48104), assertz(metta_file_comment(_48086, _48088, _48090, _48104, _48092))))
^  Call: (179) [user] read_position((0x55772f068e50), _48086, _48088, _48090, _48092)
   Call: (180) [system] stream_property((0x55772f068e50), position(_48092))
   Call: (181) [system] nonvar((0x55772f068e50))
   Exit: (181) [system] nonvar((0x55772f068e50))
   Call: (181) [system] nonvar(position(_48092))
   Exit: (181) [system] nonvar(position(_48092))
   Exit: (180) [system] stream_property((0x55772f068e50), position('$stream_position'(4366, 110, 0, 4366)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4366, 110, 0, 4366), _48086)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _58344)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4366, 110, 0, 4366), _48086)
   Exit: (181) [system] arg(2, '$stream_position'(4366, 110, 0, 4366), 110)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4366, 110, 0, 4366), 110)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4366, 110, 0, 4366), _48088)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _65778)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4366, 110, 0, 4366), _48088)
   Exit: (181) [system] arg(3, '$stream_position'(4366, 110, 0, 4366), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4366, 110, 0, 4366), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4366, 110, 0, 4366), _48090)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _73212)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4366, 110, 0, 4366), _48090)
   Exit: (181) [system] arg(1, '$stream_position'(4366, 110, 0, 4366), 4366)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4366, 110, 0, 4366), 4366)
^  Exit: (179) [user] read_position((0x55772f068e50), 110, 0, 4366, '$stream_position'(4366, 110, 0, 4366))
^  Call: (179) [user] read_sexpr((0x55772f068e50), _48104)
   Call: (180) [system] string((0x55772f068e50))
   Fail: (180) [system] string((0x55772f068e50))
^  Call: (180) [user] cont_sexpr(')', (0x55772f068e50), _48104)
^  Call: (181) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _83438)
   Exit: (182) [system] peek_char((0x55772f068e50), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x55772f068e50))
   Call: (181) [system] get_char((0x55772f068e50), _99448)
   Exit: (181) [system] get_char((0x55772f068e50), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x55772f068e50), _48104)
^  Call: (182) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _105018)
   Exit: (183) [system] peek_char((0x55772f068e50), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _121028)
   Exit: (182) [system] peek_char((0x55772f068e50), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x55772f068e50), _126598)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _128456)
   Exit: (184) [system] peek_char((0x55772f068e50), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] get_char((0x55772f068e50), _144466)
   Exit: (183) [system] get_char((0x55772f068e50), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x55772f068e50), =, _126598)
^  Call: (184) [user] read_symbolic_cont(')', (0x55772f068e50), _162108)
   Call: (185) [system] peek_char((0x55772f068e50), _163042)
   Exit: (185) [system] peek_char((0x55772f068e50), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _162108=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _126598)
^  Call: (185) [user] classify_and_convert_charseq_([=], _172326)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_173278, _173280), once(user:catch(read_from_chars([=], _172326), _173260, fail)), '$restore_trace'(_173278, _173280))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_173278, _173280))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _173260, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _126598=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x55772f068e50), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x55772f068e50), =)
^  Call: (182) [user] read_list(')', (0x55772f068e50), _185406)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _187264)
   Exit: (184) [system] peek_char((0x55772f068e50), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x55772f068e50), _196858)
   Exit: (184) [system] get_char((0x55772f068e50), ' ')
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _199562)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _216496)
   Exit: (183) [system] peek_char((0x55772f068e50), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x55772f068e50), _222066)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _223924)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] get_char((0x55772f068e50), _239934)
   Exit: (184) [system] get_char((0x55772f068e50), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x55772f068e50), _222066)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _245504)
   Exit: (186) [system] peek_char((0x55772f068e50), r)
   Call: (186) [system] r=(;)
   Fail: (186) [system] r=(;)
   Call: (186) [system] r=(/)
   Fail: (186) [system] r=(/)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Fail: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Fail: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Fail: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
   Fail: (187) [system] char_type(r, cntrl)
^  Fail: (186) [user] is_like_space(r)
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _261514)
   Exit: (185) [system] peek_char((0x55772f068e50), r)
   Call: (185) [system] r=')'
   Fail: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
   Fail: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x55772f068e50), _267084)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _268942)
   Exit: (187) [system] peek_char((0x55772f068e50), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
   Call: (187) [system] r=(/)
   Fail: (187) [system] r=(/)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] get_char((0x55772f068e50), _284952)
   Exit: (186) [system] get_char((0x55772f068e50), r)
   Call: (186) [system] r='('
   Fail: (186) [system] r='('
   Call: (186) [system] r='['
   Fail: (186) [system] r='['
   Call: (186) [system] r='{'
   Fail: (186) [system] r='{'
   Call: (186) [system] r='"'
   Fail: (186) [system] r='"'
   Call: (186) [system] r=!
   Fail: (186) [system] r=!
   Call: (186) [system] r='\''
   Fail: (186) [system] r='\''
   Call: (186) [system] r='`'
   Fail: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
   Fail: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x55772f068e50), r, _267084)
^  Call: (187) [user] read_symbolic_cont(')', (0x55772f068e50), _302594)
   Call: (188) [system] peek_char((0x55772f068e50), _303528)
   Exit: (188) [system] peek_char((0x55772f068e50), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_308248, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_309180, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x55772f068e50), b)
   Exit: (188) [system] get_char((0x55772f068e50), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _316530)
   Call: (189) [system] peek_char((0x55772f068e50), _317464)
   Exit: (189) [system] peek_char((0x55772f068e50), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_322184, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _316530=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (188) [system] _302594=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
^  Call: (187) [user] classify_and_convert_charseq([r, b], _267084)
^  Call: (188) [user] classify_and_convert_charseq_([r, b], _331414)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_332366, _332368), once(user:catch(read_from_chars([r, b], _331414), _332348, fail)), '$restore_trace'(_332366, _332368))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_332366, _332368))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _332348, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(rb)
   Exit: (189) [system] atomic(rb)
^  Exit: (188) [user] classify_and_convert_charseq_([r, b], rb)
   Call: (188) [system] integer(rb)
   Fail: (188) [system] integer(rb)
   Call: (188) [system] _267084=rb
   Exit: (188) [system] rb=rb
^  Exit: (187) [user] classify_and_convert_charseq([r, b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x55772f068e50), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x55772f068e50), rb)
^  Call: (185) [user] read_list(')', (0x55772f068e50), _344494)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _346352)
   Exit: (187) [system] peek_char((0x55772f068e50), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _362362)
   Exit: (186) [system] peek_char((0x55772f068e50), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x55772f068e50), _366152)
   Exit: (186) [system] get_char((0x55772f068e50), ')')
   Call: (186) [system] _344494=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [])
   Call: (185) [system] _222066=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x55772f068e50), [rb])
^  Call: (183) [user] read_list(')', (0x55772f068e50), _374446)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _376304)
   Exit: (185) [system] peek_char((0x55772f068e50), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x55772f068e50), _385898)
   Exit: (185) [system] get_char((0x55772f068e50), ' ')
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _388602)
   Exit: (186) [system] peek_char((0x55772f068e50), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _405536)
   Exit: (184) [system] peek_char((0x55772f068e50), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x55772f068e50), _411106)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _412964)
   Exit: (186) [system] peek_char((0x55772f068e50), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] get_char((0x55772f068e50), _428974)
   Exit: (185) [system] get_char((0x55772f068e50), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x55772f068e50), _411106)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _434544)
   Exit: (187) [system] peek_char((0x55772f068e50), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
   Call: (187) [system] (:)=(/)
   Fail: (187) [system] (:)=(/)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _450554)
   Exit: (186) [system] peek_char((0x55772f068e50), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x55772f068e50), _456124)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _457982)
   Exit: (188) [system] peek_char((0x55772f068e50), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
   Call: (188) [system] (:)=(/)
   Fail: (188) [system] (:)=(/)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] get_char((0x55772f068e50), _473992)
   Exit: (187) [system] get_char((0x55772f068e50), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x55772f068e50), :, _456124)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _491634)
   Call: (189) [system] peek_char((0x55772f068e50), _492568)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _491634=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (188) [user] classify_and_convert_charseq([:], _456124)
^  Call: (189) [user] classify_and_convert_charseq_([:], _501852)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_502804, _502806), once(user:catch(read_from_chars([:], _501852), _502786, fail)), '$restore_trace'(_502804, _502806))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_502804, _502806))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _502786, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(:)
   Exit: (190) [system] atomic(:)
^  Exit: (189) [user] classify_and_convert_charseq_([:], :)
   Call: (189) [system] integer(:)
   Fail: (189) [system] integer(:)
   Call: (189) [system] _456124=(:)
   Exit: (189) [system] (:)=(:)
^  Exit: (188) [user] classify_and_convert_charseq([:], :)
^  Exit: (187) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (186) [user] read_list(')', (0x55772f068e50), _514932)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _516790)
   Exit: (188) [system] peek_char((0x55772f068e50), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x55772f068e50), _526384)
   Exit: (188) [system] get_char((0x55772f068e50), ' ')
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _529088)
   Exit: (189) [system] peek_char((0x55772f068e50), 'M')
   Call: (189) [system] 'M'=(;)
   Fail: (189) [system] 'M'=(;)
   Call: (189) [system] 'M'=(/)
   Fail: (189) [system] 'M'=(/)
^  Call: (189) [user] is_like_space('M')
   Call: (190) [system] char_type('M', 'white')
   Fail: (190) [system] char_type('M', 'white')
   Call: (190) [system] char_type('M', end_of_line)
   Fail: (190) [system] char_type('M', end_of_line)
   Call: (190) [system] char_type('M', space)
   Fail: (190) [system] char_type('M', space)
   Call: (190) [system] char_type('M', cntrl)
   Fail: (190) [system] char_type('M', cntrl)
^  Fail: (189) [user] is_like_space('M')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _546022)
   Exit: (187) [system] peek_char((0x55772f068e50), 'M')
   Call: (187) [system] 'M'=')'
   Fail: (187) [system] 'M'=')'
   Call: (187) [system] 'M'=end_of_file
   Fail: (187) [system] 'M'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x55772f068e50), _551592)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _553450)
   Exit: (189) [system] peek_char((0x55772f068e50), 'M')
   Call: (189) [system] 'M'=(;)
   Fail: (189) [system] 'M'=(;)
   Call: (189) [system] 'M'=(/)
   Fail: (189) [system] 'M'=(/)
^  Call: (189) [user] is_like_space('M')
   Call: (190) [system] char_type('M', 'white')
   Fail: (190) [system] char_type('M', 'white')
   Call: (190) [system] char_type('M', end_of_line)
   Fail: (190) [system] char_type('M', end_of_line)
   Call: (190) [system] char_type('M', space)
   Fail: (190) [system] char_type('M', space)
   Call: (190) [system] char_type('M', cntrl)
   Fail: (190) [system] char_type('M', cntrl)
^  Fail: (189) [user] is_like_space('M')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] get_char((0x55772f068e50), _569460)
   Exit: (188) [system] get_char((0x55772f068e50), 'M')
   Call: (188) [system] 'M'='('
   Fail: (188) [system] 'M'='('
   Call: (188) [system] 'M'='['
   Fail: (188) [system] 'M'='['
   Call: (188) [system] 'M'='{'
   Fail: (188) [system] 'M'='{'
   Call: (188) [system] 'M'='"'
   Fail: (188) [system] 'M'='"'
   Call: (188) [system] 'M'=!
   Fail: (188) [system] 'M'=!
   Call: (188) [system] 'M'='\''
   Fail: (188) [system] 'M'='\''
   Call: (188) [system] 'M'='`'
   Fail: (188) [system] 'M'='`'
   Call: (188) [system] 'M'=end_of_file
   Fail: (188) [system] 'M'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x55772f068e50), 'M', _551592)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _587102)
   Call: (190) [system] peek_char((0x55772f068e50), _588036)
   Exit: (190) [system] peek_char((0x55772f068e50), o)
^  Call: (190) [user] is_delimiter(o)
   Call: (191) [system] char_type(o, space)
   Fail: (191) [system] char_type(o, space)
   Call: (191) [system] arg(_592756, v('(', ')', end_of_file), o)
   Fail: (191) [system] arg(_593688, v('(', ')', end_of_file), o)
^  Fail: (190) [user] is_delimiter(o)
   Call: (190) [system] ')'==o
   Fail: (190) [system] ')'==o
   Call: (190) [system] get_char((0x55772f068e50), o)
   Exit: (190) [system] get_char((0x55772f068e50), o)
   Call: (190) [system] o=(\)
   Fail: (190) [system] o=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _601038)
   Call: (191) [system] peek_char((0x55772f068e50), _601972)
   Exit: (191) [system] peek_char((0x55772f068e50), d)
^  Call: (191) [user] is_delimiter(d)
   Call: (192) [system] char_type(d, space)
   Fail: (192) [system] char_type(d, space)
   Call: (192) [system] arg(_606692, v('(', ')', end_of_file), d)
   Fail: (192) [system] arg(_607624, v('(', ')', end_of_file), d)
^  Fail: (191) [user] is_delimiter(d)
   Call: (191) [system] ')'==d
   Fail: (191) [system] ')'==d
   Call: (191) [system] get_char((0x55772f068e50), d)
   Exit: (191) [system] get_char((0x55772f068e50), d)
   Call: (191) [system] d=(\)
   Fail: (191) [system] d=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _614974)
   Call: (192) [system] peek_char((0x55772f068e50), _615908)
   Exit: (192) [system] peek_char((0x55772f068e50), u)
^  Call: (192) [user] is_delimiter(u)
   Call: (193) [system] char_type(u, space)
   Fail: (193) [system] char_type(u, space)
   Call: (193) [system] arg(_620628, v('(', ')', end_of_file), u)
   Fail: (193) [system] arg(_621560, v('(', ')', end_of_file), u)
^  Fail: (192) [user] is_delimiter(u)
   Call: (192) [system] ')'==u
   Fail: (192) [system] ')'==u
   Call: (192) [system] get_char((0x55772f068e50), u)
   Exit: (192) [system] get_char((0x55772f068e50), u)
   Call: (192) [system] u=(\)
   Fail: (192) [system] u=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _628910)
   Call: (193) [system] peek_char((0x55772f068e50), _629844)
   Exit: (193) [system] peek_char((0x55772f068e50), s)
^  Call: (193) [user] is_delimiter(s)
   Call: (194) [system] char_type(s, space)
   Fail: (194) [system] char_type(s, space)
   Call: (194) [system] arg(_634564, v('(', ')', end_of_file), s)
   Fail: (194) [system] arg(_635496, v('(', ')', end_of_file), s)
^  Fail: (193) [user] is_delimiter(s)
   Call: (193) [system] ')'==s
   Fail: (193) [system] ')'==s
   Call: (193) [system] get_char((0x55772f068e50), s)
   Exit: (193) [system] get_char((0x55772f068e50), s)
   Call: (193) [system] s=(\)
   Fail: (193) [system] s=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _642846)
   Call: (194) [system] peek_char((0x55772f068e50), _643780)
   Exit: (194) [system] peek_char((0x55772f068e50), 'P')
^  Call: (194) [user] is_delimiter('P')
   Call: (195) [system] char_type('P', space)
   Fail: (195) [system] char_type('P', space)
   Call: (195) [system] arg(_648500, v('(', ')', end_of_file), 'P')
   Fail: (195) [system] arg(_649432, v('(', ')', end_of_file), 'P')
^  Fail: (194) [user] is_delimiter('P')
   Call: (194) [system] ')'=='P'
   Fail: (194) [system] ')'=='P'
   Call: (194) [system] get_char((0x55772f068e50), 'P')
   Exit: (194) [system] get_char((0x55772f068e50), 'P')
   Call: (194) [system] 'P'=(\)
   Fail: (194) [system] 'P'=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _656782)
   Call: (195) [system] peek_char((0x55772f068e50), _657716)
   Exit: (195) [system] peek_char((0x55772f068e50), o)
^  Call: (195) [user] is_delimiter(o)
   Call: (196) [system] char_type(o, space)
   Fail: (196) [system] char_type(o, space)
   Call: (196) [system] arg(_662436, v('(', ')', end_of_file), o)
   Fail: (196) [system] arg(_663368, v('(', ')', end_of_file), o)
^  Fail: (195) [user] is_delimiter(o)
   Call: (195) [system] ')'==o
   Fail: (195) [system] ')'==o
   Call: (195) [system] get_char((0x55772f068e50), o)
   Exit: (195) [system] get_char((0x55772f068e50), o)
   Call: (195) [system] o=(\)
   Fail: (195) [system] o=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _670718)
   Call: (196) [system] peek_char((0x55772f068e50), _671652)
   Exit: (196) [system] peek_char((0x55772f068e50), n)
^  Call: (196) [user] is_delimiter(n)
   Call: (197) [system] char_type(n, space)
   Fail: (197) [system] char_type(n, space)
   Call: (197) [system] arg(_676372, v('(', ')', end_of_file), n)
   Fail: (197) [system] arg(_677304, v('(', ')', end_of_file), n)
^  Fail: (196) [user] is_delimiter(n)
   Call: (196) [system] ')'==n
   Fail: (196) [system] ')'==n
   Call: (196) [system] get_char((0x55772f068e50), n)
   Exit: (196) [system] get_char((0x55772f068e50), n)
   Call: (196) [system] n=(\)
   Fail: (196) [system] n=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _684654)
   Call: (197) [system] peek_char((0x55772f068e50), _685588)
   Exit: (197) [system] peek_char((0x55772f068e50), e)
^  Call: (197) [user] is_delimiter(e)
   Call: (198) [system] char_type(e, space)
   Fail: (198) [system] char_type(e, space)
   Call: (198) [system] arg(_690308, v('(', ')', end_of_file), e)
   Fail: (198) [system] arg(_691240, v('(', ')', end_of_file), e)
^  Fail: (197) [user] is_delimiter(e)
   Call: (197) [system] ')'==e
   Fail: (197) [system] ')'==e
   Call: (197) [system] get_char((0x55772f068e50), e)
   Exit: (197) [system] get_char((0x55772f068e50), e)
   Call: (197) [system] e=(\)
   Fail: (197) [system] e=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _698590)
   Call: (198) [system] peek_char((0x55772f068e50), _699524)
   Exit: (198) [system] peek_char((0x55772f068e50), n)
^  Call: (198) [user] is_delimiter(n)
   Call: (199) [system] char_type(n, space)
   Fail: (199) [system] char_type(n, space)
   Call: (199) [system] arg(_704244, v('(', ')', end_of_file), n)
   Fail: (199) [system] arg(_705176, v('(', ')', end_of_file), n)
^  Fail: (198) [user] is_delimiter(n)
   Call: (198) [system] ')'==n
   Fail: (198) [system] ')'==n
   Call: (198) [system] get_char((0x55772f068e50), n)
   Exit: (198) [system] get_char((0x55772f068e50), n)
   Call: (198) [system] n=(\)
   Fail: (198) [system] n=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _712526)
   Call: (199) [system] peek_char((0x55772f068e50), _713460)
   Exit: (199) [system] peek_char((0x55772f068e50), s)
^  Call: (199) [user] is_delimiter(s)
   Call: (200) [system] char_type(s, space)
   Fail: (200) [system] char_type(s, space)
   Call: (200) [system] arg(_718180, v('(', ')', end_of_file), s)
   Fail: (200) [system] arg(_719112, v('(', ')', end_of_file), s)
^  Fail: (199) [user] is_delimiter(s)
   Call: (199) [system] ')'==s
   Fail: (199) [system] ')'==s
   Call: (199) [system] get_char((0x55772f068e50), s)
   Exit: (199) [system] get_char((0x55772f068e50), s)
   Call: (199) [system] s=(\)
   Fail: (199) [system] s=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _726462)
   Call: (200) [system] peek_char((0x55772f068e50), _727396)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _726462=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (199) [system] _712526=[s]
   Exit: (199) [system] [s]=[s]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [s])
   Call: (198) [system] _698590=[n, s]
   Exit: (198) [system] [n, s]=[n, s]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [n, s])
   Call: (197) [system] _684654=[e, n, s]
   Exit: (197) [system] [e, n, s]=[e, n, s]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [e, n, s])
   Call: (196) [system] _670718=[n, e, n, s]
   Exit: (196) [system] [n, e, n, s]=[n, e, n, s]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [n, e, n, s])
   Call: (195) [system] _656782=[o, n, e, n, s]
   Exit: (195) [system] [o, n, e, n, s]=[o, n, e, n, s]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, e, n, s])
   Call: (194) [system] _642846=['P', o, n, e, n, s]
   Exit: (194) [system] ['P', o, n, e, n, s]=['P', o, n, e, n, s]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), ['P', o, n, e, n, s])
   Call: (193) [system] _628910=[s, 'P', o, n, e, n, s]
   Exit: (193) [system] [s, 'P', o, n, e, n, s]=[s, 'P', o, n, e, n, s]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [s, 'P', o, n, e, n, s])
   Call: (192) [system] _614974=[u, s, 'P', o, n, e, n, s]
   Exit: (192) [system] [u, s, 'P', o, n, e, n, s]=[u, s, 'P', o, n, e, n, s]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [u, s, 'P', o, n, e, n, s])
   Call: (191) [system] _601038=[d, u, s, 'P', o, n, e, n, s]
   Exit: (191) [system] [d, u, s, 'P', o, n, e, n, s]=[d, u, s, 'P', o, n, e, n, s]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, s, 'P', o, n, e, n, s])
   Call: (190) [system] _587102=[o, d, u, s, 'P', o, n, e, n, s]
   Exit: (190) [system] [o, d, u, s, 'P', o, n, e, n, s]=[o, d, u, s, 'P', o, n, e, n, s]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, s, 'P', o, n, e, n, s])
^  Call: (189) [user] classify_and_convert_charseq(['M', o, d, u, s, 'P', o, n, e, n, s], _551592)
^  Call: (190) [user] classify_and_convert_charseq_(['M', o, d, u, s, 'P', o, n, e, n, s], _764620)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_765572, _765574), once(user:catch(read_from_chars(['M', o, d, u, s, 'P', o, n, e, n, s], _764620), _765554, fail)), '$restore_trace'(_765572, _765574))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_765572, _765574))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['M', o, d, u, s, 'P', o, n, e, n, s], _764620), _765554, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(_764620)
   Fail: (191) [system] atomic(_764620)
   Call: (191) [system] atom_chars(_764620, ['M', o, d, u, s, 'P', o, n, e, n, s])
   Exit: (191) [system] atom_chars('ModusPonens', ['M', o, d, u, s, 'P', o, n, e, n, s])
^  Exit: (190) [user] classify_and_convert_charseq_(['M', o, d, u, s, 'P', o, n, e, n, s], 'ModusPonens')
   Call: (190) [system] integer('ModusPonens')
   Fail: (190) [system] integer('ModusPonens')
   Call: (190) [system] _551592='ModusPonens'
   Exit: (190) [system] 'ModusPonens'='ModusPonens'
^  Exit: (189) [user] classify_and_convert_charseq(['M', o, d, u, s, 'P', o, n, e, n, s], 'ModusPonens')
^  Exit: (188) [user] read_symbolic(')', (0x55772f068e50), 'M', 'ModusPonens')
^  Exit: (187) [user] cont_sexpr(')', (0x55772f068e50), 'ModusPonens')
^  Call: (187) [user] read_list(')', (0x55772f068e50), _779570)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _781428)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x55772f068e50), _791022)
   Exit: (189) [system] get_char((0x55772f068e50), ' ')
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _793726)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _810660)
   Exit: (188) [system] peek_char((0x55772f068e50), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x55772f068e50), _816230)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _818088)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] get_char((0x55772f068e50), _834098)
   Exit: (189) [system] get_char((0x55772f068e50), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x55772f068e50), _816230)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _839668)
   Exit: (191) [system] peek_char((0x55772f068e50), -)
   Call: (191) [system] (-)=(;)
   Fail: (191) [system] (-)=(;)
   Call: (191) [system] (-)=(/)
   Fail: (191) [system] (-)=(/)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Fail: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Fail: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Fail: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
   Fail: (192) [system] char_type(-, cntrl)
^  Fail: (191) [user] is_like_space(-)
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _855678)
   Exit: (190) [system] peek_char((0x55772f068e50), -)
   Call: (190) [system] (-)=')'
   Fail: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
   Fail: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x55772f068e50), _861248)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _863106)
   Exit: (192) [system] peek_char((0x55772f068e50), -)
   Call: (192) [system] (-)=(;)
   Fail: (192) [system] (-)=(;)
   Call: (192) [system] (-)=(/)
   Fail: (192) [system] (-)=(/)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Fail: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Fail: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Fail: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
   Fail: (193) [system] char_type(-, cntrl)
^  Fail: (192) [user] is_like_space(-)
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] get_char((0x55772f068e50), _879116)
   Exit: (191) [system] get_char((0x55772f068e50), -)
   Call: (191) [system] (-)='('
   Fail: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Fail: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Fail: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Fail: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Fail: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Fail: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Fail: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
   Fail: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x55772f068e50), -, _861248)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _896758)
   Call: (193) [system] peek_char((0x55772f068e50), _897692)
   Exit: (193) [system] peek_char((0x55772f068e50), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Fail: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_902412, v('(', ')', end_of_file), >)
   Fail: (194) [system] arg(_903344, v('(', ')', end_of_file), >)
^  Fail: (193) [user] is_delimiter(>)
   Call: (193) [system] ')'==(>)
   Fail: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x55772f068e50), >)
   Exit: (193) [system] get_char((0x55772f068e50), >)
   Call: (193) [system] (>)=(\)
   Fail: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _910694)
   Call: (194) [system] peek_char((0x55772f068e50), _911628)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _910694=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (193) [system] _896758=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [>])
^  Call: (192) [user] classify_and_convert_charseq([-, >], _861248)
^  Call: (193) [user] classify_and_convert_charseq_([-, >], _923706)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_924658, _924660), once(user:catch(read_from_chars([-, >], _923706), _924640, fail)), '$restore_trace'(_924658, _924660))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_924658, _924660))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _924640, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(->)
   Exit: (194) [system] atomic(->)
^  Exit: (193) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (193) [system] integer(->)
   Fail: (193) [system] integer(->)
   Call: (193) [system] _861248=(->)
   Exit: (193) [system] (->)=(->)
^  Exit: (192) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (191) [user] read_symbolic(')', (0x55772f068e50), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x55772f068e50), ->)
^  Call: (190) [user] read_list(')', (0x55772f068e50), _936786)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _938644)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x55772f068e50), _948238)
   Exit: (192) [system] get_char((0x55772f068e50), ' ')
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _950942)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _967876)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x55772f068e50), _973446)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _975304)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] get_char((0x55772f068e50), _991314)
   Exit: (192) [system] get_char((0x55772f068e50), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x55772f068e50), _973446)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _996884)
   Exit: (194) [system] peek_char((0x55772f068e50), 'I')
   Call: (194) [system] 'I'=(;)
   Fail: (194) [system] 'I'=(;)
   Call: (194) [system] 'I'=(/)
   Fail: (194) [system] 'I'=(/)
^  Call: (194) [user] is_like_space('I')
   Call: (195) [system] char_type('I', 'white')
   Fail: (195) [system] char_type('I', 'white')
   Call: (195) [system] char_type('I', end_of_line)
   Fail: (195) [system] char_type('I', end_of_line)
   Call: (195) [system] char_type('I', space)
   Fail: (195) [system] char_type('I', space)
   Call: (195) [system] char_type('I', cntrl)
   Fail: (195) [system] char_type('I', cntrl)
^  Fail: (194) [user] is_like_space('I')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1012894)
   Exit: (193) [system] peek_char((0x55772f068e50), 'I')
   Call: (193) [system] 'I'=')'
   Fail: (193) [system] 'I'=')'
   Call: (193) [system] 'I'=end_of_file
   Fail: (193) [system] 'I'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _1018464)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1020322)
   Exit: (195) [system] peek_char((0x55772f068e50), 'I')
   Call: (195) [system] 'I'=(;)
   Fail: (195) [system] 'I'=(;)
   Call: (195) [system] 'I'=(/)
   Fail: (195) [system] 'I'=(/)
^  Call: (195) [user] is_like_space('I')
   Call: (196) [system] char_type('I', 'white')
   Fail: (196) [system] char_type('I', 'white')
   Call: (196) [system] char_type('I', end_of_line)
   Fail: (196) [system] char_type('I', end_of_line)
   Call: (196) [system] char_type('I', space)
   Fail: (196) [system] char_type('I', space)
   Call: (196) [system] char_type('I', cntrl)
   Fail: (196) [system] char_type('I', cntrl)
^  Fail: (195) [user] is_like_space('I')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _1036332)
   Exit: (194) [system] get_char((0x55772f068e50), 'I')
   Call: (194) [system] 'I'='('
   Fail: (194) [system] 'I'='('
   Call: (194) [system] 'I'='['
   Fail: (194) [system] 'I'='['
   Call: (194) [system] 'I'='{'
   Fail: (194) [system] 'I'='{'
   Call: (194) [system] 'I'='"'
   Fail: (194) [system] 'I'='"'
   Call: (194) [system] 'I'=!
   Fail: (194) [system] 'I'=!
   Call: (194) [system] 'I'='\''
   Fail: (194) [system] 'I'='\''
   Call: (194) [system] 'I'='`'
   Fail: (194) [system] 'I'='`'
   Call: (194) [system] 'I'=end_of_file
   Fail: (194) [system] 'I'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x55772f068e50), 'I', _1018464)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _1053974)
   Call: (196) [system] peek_char((0x55772f068e50), _1054908)
   Exit: (196) [system] peek_char((0x55772f068e50), m)
^  Call: (196) [user] is_delimiter(m)
   Call: (197) [system] char_type(m, space)
   Fail: (197) [system] char_type(m, space)
   Call: (197) [system] arg(_1059628, v('(', ')', end_of_file), m)
   Fail: (197) [system] arg(_1060560, v('(', ')', end_of_file), m)
^  Fail: (196) [user] is_delimiter(m)
   Call: (196) [system] ')'==m
   Fail: (196) [system] ')'==m
   Call: (196) [system] get_char((0x55772f068e50), m)
   Exit: (196) [system] get_char((0x55772f068e50), m)
   Call: (196) [system] m=(\)
   Fail: (196) [system] m=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1067910)
   Call: (197) [system] peek_char((0x55772f068e50), _1068844)
   Exit: (197) [system] peek_char((0x55772f068e50), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Fail: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_1073564, v('(', ')', end_of_file), p)
   Fail: (198) [system] arg(_1074496, v('(', ')', end_of_file), p)
^  Fail: (197) [user] is_delimiter(p)
   Call: (197) [system] ')'==p
   Fail: (197) [system] ')'==p
   Call: (197) [system] get_char((0x55772f068e50), p)
   Exit: (197) [system] get_char((0x55772f068e50), p)
   Call: (197) [system] p=(\)
   Fail: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1081846)
   Call: (198) [system] peek_char((0x55772f068e50), _1082780)
   Exit: (198) [system] peek_char((0x55772f068e50), l)
^  Call: (198) [user] is_delimiter(l)
   Call: (199) [system] char_type(l, space)
   Fail: (199) [system] char_type(l, space)
   Call: (199) [system] arg(_1087500, v('(', ')', end_of_file), l)
   Fail: (199) [system] arg(_1088432, v('(', ')', end_of_file), l)
^  Fail: (198) [user] is_delimiter(l)
   Call: (198) [system] ')'==l
   Fail: (198) [system] ')'==l
   Call: (198) [system] get_char((0x55772f068e50), l)
   Exit: (198) [system] get_char((0x55772f068e50), l)
   Call: (198) [system] l=(\)
   Fail: (198) [system] l=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1095782)
   Call: (199) [system] peek_char((0x55772f068e50), _1096716)
   Exit: (199) [system] peek_char((0x55772f068e50), i)
^  Call: (199) [user] is_delimiter(i)
   Call: (200) [system] char_type(i, space)
   Fail: (200) [system] char_type(i, space)
   Call: (200) [system] arg(_1101436, v('(', ')', end_of_file), i)
   Fail: (200) [system] arg(_1102368, v('(', ')', end_of_file), i)
^  Fail: (199) [user] is_delimiter(i)
   Call: (199) [system] ')'==i
   Fail: (199) [system] ')'==i
   Call: (199) [system] get_char((0x55772f068e50), i)
   Exit: (199) [system] get_char((0x55772f068e50), i)
   Call: (199) [system] i=(\)
   Fail: (199) [system] i=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1109718)
   Call: (200) [system] peek_char((0x55772f068e50), _1110652)
   Exit: (200) [system] peek_char((0x55772f068e50), c)
^  Call: (200) [user] is_delimiter(c)
   Call: (201) [system] char_type(c, space)
   Fail: (201) [system] char_type(c, space)
   Call: (201) [system] arg(_1115372, v('(', ')', end_of_file), c)
   Fail: (201) [system] arg(_1116304, v('(', ')', end_of_file), c)
^  Fail: (200) [user] is_delimiter(c)
   Call: (200) [system] ')'==c
   Fail: (200) [system] ')'==c
   Call: (200) [system] get_char((0x55772f068e50), c)
   Exit: (200) [system] get_char((0x55772f068e50), c)
   Call: (200) [system] c=(\)
   Fail: (200) [system] c=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1123654)
   Call: (201) [system] peek_char((0x55772f068e50), _1124588)
   Exit: (201) [system] peek_char((0x55772f068e50), a)
^  Call: (201) [user] is_delimiter(a)
   Call: (202) [system] char_type(a, space)
   Fail: (202) [system] char_type(a, space)
   Call: (202) [system] arg(_1129308, v('(', ')', end_of_file), a)
   Fail: (202) [system] arg(_1130240, v('(', ')', end_of_file), a)
^  Fail: (201) [user] is_delimiter(a)
   Call: (201) [system] ')'==a
   Fail: (201) [system] ')'==a
   Call: (201) [system] get_char((0x55772f068e50), a)
   Exit: (201) [system] get_char((0x55772f068e50), a)
   Call: (201) [system] a=(\)
   Fail: (201) [system] a=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1137590)
   Call: (202) [system] peek_char((0x55772f068e50), _1138524)
   Exit: (202) [system] peek_char((0x55772f068e50), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Fail: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_1143244, v('(', ')', end_of_file), t)
   Fail: (203) [system] arg(_1144176, v('(', ')', end_of_file), t)
^  Fail: (202) [user] is_delimiter(t)
   Call: (202) [system] ')'==t
   Fail: (202) [system] ')'==t
   Call: (202) [system] get_char((0x55772f068e50), t)
   Exit: (202) [system] get_char((0x55772f068e50), t)
   Call: (202) [system] t=(\)
   Fail: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1151526)
   Call: (203) [system] peek_char((0x55772f068e50), _1152460)
   Exit: (203) [system] peek_char((0x55772f068e50), i)
^  Call: (203) [user] is_delimiter(i)
   Call: (204) [system] char_type(i, space)
   Fail: (204) [system] char_type(i, space)
   Call: (204) [system] arg(_1157180, v('(', ')', end_of_file), i)
   Fail: (204) [system] arg(_1158112, v('(', ')', end_of_file), i)
^  Fail: (203) [user] is_delimiter(i)
   Call: (203) [system] ')'==i
   Fail: (203) [system] ')'==i
   Call: (203) [system] get_char((0x55772f068e50), i)
   Exit: (203) [system] get_char((0x55772f068e50), i)
   Call: (203) [system] i=(\)
   Fail: (203) [system] i=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1165462)
   Call: (204) [system] peek_char((0x55772f068e50), _1166396)
   Exit: (204) [system] peek_char((0x55772f068e50), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1171116, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_1172048, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x55772f068e50), o)
   Exit: (204) [system] get_char((0x55772f068e50), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1179398)
   Call: (205) [system] peek_char((0x55772f068e50), _1180332)
   Exit: (205) [system] peek_char((0x55772f068e50), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1185052, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_1185984, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x55772f068e50), n)
   Exit: (205) [system] get_char((0x55772f068e50), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1193334)
   Call: (206) [system] peek_char((0x55772f068e50), _1194268)
   Exit: (206) [system] peek_char((0x55772f068e50), 'L')
^  Call: (206) [user] is_delimiter('L')
   Call: (207) [system] char_type('L', space)
   Fail: (207) [system] char_type('L', space)
   Call: (207) [system] arg(_1198988, v('(', ')', end_of_file), 'L')
   Fail: (207) [system] arg(_1199920, v('(', ')', end_of_file), 'L')
^  Fail: (206) [user] is_delimiter('L')
   Call: (206) [system] ')'=='L'
   Fail: (206) [system] ')'=='L'
   Call: (206) [system] get_char((0x55772f068e50), 'L')
   Exit: (206) [system] get_char((0x55772f068e50), 'L')
   Call: (206) [system] 'L'=(\)
   Fail: (206) [system] 'L'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1207270)
   Call: (207) [system] peek_char((0x55772f068e50), _1208204)
   Exit: (207) [system] peek_char((0x55772f068e50), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1212924, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_1213856, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x55772f068e50), i)
   Exit: (207) [system] get_char((0x55772f068e50), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1221206)
   Call: (208) [system] peek_char((0x55772f068e50), _1222140)
   Exit: (208) [system] peek_char((0x55772f068e50), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1226860, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1227792, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x55772f068e50), n)
   Exit: (208) [system] get_char((0x55772f068e50), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1235142)
   Call: (209) [system] peek_char((0x55772f068e50), _1236076)
   Exit: (209) [system] peek_char((0x55772f068e50), k)
^  Call: (209) [user] is_delimiter(k)
   Call: (210) [system] char_type(k, space)
   Fail: (210) [system] char_type(k, space)
   Call: (210) [system] arg(_1240796, v('(', ')', end_of_file), k)
   Fail: (210) [system] arg(_1241728, v('(', ')', end_of_file), k)
^  Fail: (209) [user] is_delimiter(k)
   Call: (209) [system] ')'==k
   Fail: (209) [system] ')'==k
   Call: (209) [system] get_char((0x55772f068e50), k)
   Exit: (209) [system] get_char((0x55772f068e50), k)
   Call: (209) [system] k=(\)
   Fail: (209) [system] k=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1249078)
   Call: (210) [system] peek_char((0x55772f068e50), _1250012)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1249078=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (209) [system] _1235142=[k]
   Exit: (209) [system] [k]=[k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (208) [system] _1221206=[n, k]
   Exit: (208) [system] [n, k]=[n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (207) [system] _1207270=[i, n, k]
   Exit: (207) [system] [i, n, k]=[i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (206) [system] _1193334=['L', i, n, k]
   Exit: (206) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (205) [system] _1179398=[n, 'L', i, n, k]
   Exit: (205) [system] [n, 'L', i, n, k]=[n, 'L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'L', i, n, k])
   Call: (204) [system] _1165462=[o, n, 'L', i, n, k]
   Exit: (204) [system] [o, n, 'L', i, n, k]=[o, n, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'L', i, n, k])
   Call: (203) [system] _1151526=[i, o, n, 'L', i, n, k]
   Exit: (203) [system] [i, o, n, 'L', i, n, k]=[i, o, n, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'L', i, n, k])
   Call: (202) [system] _1137590=[t, i, o, n, 'L', i, n, k]
   Exit: (202) [system] [t, i, o, n, 'L', i, n, k]=[t, i, o, n, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'L', i, n, k])
   Call: (201) [system] _1123654=[a, t, i, o, n, 'L', i, n, k]
   Exit: (201) [system] [a, t, i, o, n, 'L', i, n, k]=[a, t, i, o, n, 'L', i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n, 'L', i, n, k])
   Call: (200) [system] _1109718=[c, a, t, i, o, n, 'L', i, n, k]
   Exit: (200) [system] [c, a, t, i, o, n, 'L', i, n, k]=[c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n, 'L', i, n, k])
   Call: (199) [system] _1095782=[i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (199) [system] [i, c, a, t, i, o, n, 'L', i, n, k]=[i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (198) [system] _1081846=[l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (198) [system] [l, i, c, a, t, i, o, n, 'L', i, n, k]=[l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (197) [system] _1067910=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (197) [system] [p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (196) [system] _1053974=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (196) [system] [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1018464)
^  Call: (196) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1298412)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1299364, _1299366), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1298412), _1299346, fail)), '$restore_trace'(_1299364, _1299366))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1299364, _1299366))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1298412), _1299346, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_1298412)
   Fail: (197) [system] atomic(_1298412)
   Call: (197) [system] atom_chars(_1298412, ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Exit: (197) [system] atom_chars('ImplicationLink', ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Exit: (196) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], 'ImplicationLink')
   Call: (196) [system] integer('ImplicationLink')
   Fail: (196) [system] integer('ImplicationLink')
   Call: (196) [system] _1018464='ImplicationLink'
   Exit: (196) [system] 'ImplicationLink'='ImplicationLink'
^  Exit: (195) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], 'ImplicationLink')
^  Exit: (194) [user] read_symbolic(')', (0x55772f068e50), 'I', 'ImplicationLink')
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), 'ImplicationLink')
^  Call: (193) [user] read_list(')', (0x55772f068e50), _1313362)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1315220)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _1324814)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1327518)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1344452)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _1350022)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1351880)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _1367890)
   Exit: (195) [system] get_char((0x55772f068e50), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x55772f068e50), $, _1350022)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1385532)
   Call: (197) [system] peek_char((0x55772f068e50), _1386466)
   Exit: (197) [system] peek_char((0x55772f068e50), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Fail: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_1391186, v('(', ')', end_of_file), p)
   Fail: (198) [system] arg(_1392118, v('(', ')', end_of_file), p)
^  Fail: (197) [user] is_delimiter(p)
   Call: (197) [system] ')'==p
   Fail: (197) [system] ')'==p
   Call: (197) [system] get_char((0x55772f068e50), p)
   Exit: (197) [system] get_char((0x55772f068e50), p)
   Call: (197) [system] p=(\)
   Fail: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1399468)
   Call: (198) [system] peek_char((0x55772f068e50), _1400402)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1399468=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (197) [system] _1385532=[p]
   Exit: (197) [system] [p]=[p]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [p])
^  Call: (196) [user] classify_and_convert_charseq([$, p], _1350022)
^  Call: (197) [user] classify_and_convert_charseq_([$, p], _1412480)
   Call: (198) [system] atom_chars(_1413412, ['_', p])
   Exit: (198) [system] atom_chars('_p', ['_', p])
^  Exit: (197) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (197) [system] integer(_p)
   Fail: (197) [system] integer(_p)
   Call: (197) [system] _1350022=_p
   Exit: (197) [system] _p=_p
^  Exit: (196) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (195) [user] read_symbolic(')', (0x55772f068e50), $, _p)
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), _p)
^  Call: (194) [user] read_list(')', (0x55772f068e50), _1422704)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1424562)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _1434156)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1436860)
   Exit: (197) [system] peek_char((0x55772f068e50), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1453794)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=')'
   Fail: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _1459364)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1461222)
   Exit: (197) [system] peek_char((0x55772f068e50), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _1477232)
   Exit: (196) [system] get_char((0x55772f068e50), $)
   Call: (196) [system] ($)='('
   Fail: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Fail: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Fail: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Fail: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Fail: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Fail: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Fail: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x55772f068e50), $, _1459364)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1494874)
   Call: (198) [system] peek_char((0x55772f068e50), _1495808)
   Exit: (198) [system] peek_char((0x55772f068e50), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Fail: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_1500528, v('(', ')', end_of_file), q)
   Fail: (199) [system] arg(_1501460, v('(', ')', end_of_file), q)
^  Fail: (198) [user] is_delimiter(q)
   Call: (198) [system] ')'==q
   Fail: (198) [system] ')'==q
   Call: (198) [system] get_char((0x55772f068e50), q)
   Exit: (198) [system] get_char((0x55772f068e50), q)
   Call: (198) [system] q=(\)
   Fail: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1508810)
   Call: (199) [system] peek_char((0x55772f068e50), _1509744)
   Exit: (199) [system] peek_char((0x55772f068e50), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1514464, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1508810=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (198) [system] _1494874=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [q])
^  Call: (197) [user] classify_and_convert_charseq([$, q], _1459364)
^  Call: (198) [user] classify_and_convert_charseq_([$, q], _1523694)
   Call: (199) [system] atom_chars(_1524626, ['_', q])
   Exit: (199) [system] atom_chars('_q', ['_', q])
^  Exit: (198) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (198) [system] integer(_q)
   Fail: (198) [system] integer(_q)
   Call: (198) [system] _1459364=_q
   Exit: (198) [system] _q=_q
^  Exit: (197) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x55772f068e50), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), _q)
^  Call: (195) [user] read_list(')', (0x55772f068e50), _1533918)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1535776)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1551786)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x55772f068e50), _1555576)
   Exit: (196) [system] get_char((0x55772f068e50), ')')
   Call: (196) [system] _1533918=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [])
   Call: (195) [system] _1422704=[_q]
   Exit: (195) [system] [_q]=[_q]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [_q])
   Call: (194) [system] _1313362=[_p, _q]
   Exit: (194) [system] [_p, _q]=[_p, _q]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [_p, _q])
   Call: (193) [system] _973446=['ImplicationLink', _p, _q]
   Exit: (193) [system] ['ImplicationLink', _p, _q]=['ImplicationLink', _p, _q]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), ['ImplicationLink', _p, _q])
^  Exit: (191) [user] cont_sexpr(')', (0x55772f068e50), ['ImplicationLink', _p, _q])
^  Call: (191) [user] read_list(')', (0x55772f068e50), _1569458)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1571316)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _1580910)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1583614)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1600548)
   Exit: (192) [system] peek_char((0x55772f068e50), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _1606118)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1607976)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _1623986)
   Exit: (193) [system] get_char((0x55772f068e50), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x55772f068e50), $, _1606118)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _1641628)
   Call: (195) [system] peek_char((0x55772f068e50), _1642562)
   Exit: (195) [system] peek_char((0x55772f068e50), p)
^  Call: (195) [user] is_delimiter(p)
   Call: (196) [system] char_type(p, space)
   Fail: (196) [system] char_type(p, space)
   Call: (196) [system] arg(_1647282, v('(', ')', end_of_file), p)
   Fail: (196) [system] arg(_1648214, v('(', ')', end_of_file), p)
^  Fail: (195) [user] is_delimiter(p)
   Call: (195) [system] ')'==p
   Fail: (195) [system] ')'==p
   Call: (195) [system] get_char((0x55772f068e50), p)
   Exit: (195) [system] get_char((0x55772f068e50), p)
   Call: (195) [system] p=(\)
   Fail: (195) [system] p=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _1655564)
   Call: (196) [system] peek_char((0x55772f068e50), _1656498)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1655564=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (195) [system] _1641628=[p]
   Exit: (195) [system] [p]=[p]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [p])
^  Call: (194) [user] classify_and_convert_charseq([$, p], _1606118)
^  Call: (195) [user] classify_and_convert_charseq_([$, p], _1668576)
   Call: (196) [system] atom_chars(_1669508, ['_', p])
   Exit: (196) [system] atom_chars('_p', ['_', p])
^  Exit: (195) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (195) [system] integer(_p)
   Fail: (195) [system] integer(_p)
   Call: (195) [system] _1606118=_p
   Exit: (195) [system] _p=_p
^  Exit: (194) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (193) [user] read_symbolic(')', (0x55772f068e50), $, _p)
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), _p)
^  Call: (192) [user] read_list(')', (0x55772f068e50), _1678800)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1680658)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _1690252)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1692956)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1709890)
   Exit: (193) [system] peek_char((0x55772f068e50), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _1715460)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1717318)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _1733328)
   Exit: (194) [system] get_char((0x55772f068e50), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x55772f068e50), $, _1715460)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _1750970)
   Call: (196) [system] peek_char((0x55772f068e50), _1751904)
   Exit: (196) [system] peek_char((0x55772f068e50), q)
^  Call: (196) [user] is_delimiter(q)
   Call: (197) [system] char_type(q, space)
   Fail: (197) [system] char_type(q, space)
   Call: (197) [system] arg(_1756624, v('(', ')', end_of_file), q)
   Fail: (197) [system] arg(_1757556, v('(', ')', end_of_file), q)
^  Fail: (196) [user] is_delimiter(q)
   Call: (196) [system] ')'==q
   Fail: (196) [system] ')'==q
   Call: (196) [system] get_char((0x55772f068e50), q)
   Exit: (196) [system] get_char((0x55772f068e50), q)
   Call: (196) [system] q=(\)
   Fail: (196) [system] q=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1764906)
   Call: (197) [system] peek_char((0x55772f068e50), _1765840)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_1770560, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _1764906=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (196) [system] _1750970=[q]
   Exit: (196) [system] [q]=[q]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [q])
^  Call: (195) [user] classify_and_convert_charseq([$, q], _1715460)
^  Call: (196) [user] classify_and_convert_charseq_([$, q], _1779790)
   Call: (197) [system] atom_chars(_1780722, ['_', q])
   Exit: (197) [system] atom_chars('_q', ['_', q])
^  Exit: (196) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (196) [system] integer(_q)
   Fail: (196) [system] integer(_q)
   Call: (196) [system] _1715460=_q
   Exit: (196) [system] _q=_q
^  Exit: (195) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (194) [user] read_symbolic(')', (0x55772f068e50), $, _q)
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), _q)
^  Call: (193) [user] read_list(')', (0x55772f068e50), _1790014)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1791872)
   Exit: (195) [system] peek_char((0x55772f068e50), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1807882)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x55772f068e50), _1811672)
   Exit: (194) [system] get_char((0x55772f068e50), ')')
   Call: (194) [system] _1790014=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [])
   Call: (193) [system] _1678800=[_q]
   Exit: (193) [system] [_q]=[_q]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [_q])
   Call: (192) [system] _1569458=[_p, _q]
   Exit: (192) [system] [_p, _q]=[_p, _q]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [_p, _q])
   Call: (191) [system] _936786=[['ImplicationLink', _p, _q], _p, _q]
   Exit: (191) [system] [['ImplicationLink', _p, _q], _p, _q]=[['ImplicationLink', _p, _q], _p, _q]
^  Exit: (190) [user] read_list(')', (0x55772f068e50), [['ImplicationLink', _p, _q], _p, _q])
   Call: (190) [system] _816230=[->, ['ImplicationLink', _p, _q], _p, _q]
   Exit: (190) [system] [->, ['ImplicationLink', _p, _q], _p, _q]=[->, ['ImplicationLink', _p, _q], _p, _q]
^  Exit: (189) [user] read_list(')', (0x55772f068e50), [->, ['ImplicationLink', _p, _q], _p, _q])
^  Exit: (188) [user] cont_sexpr(')', (0x55772f068e50), [->, ['ImplicationLink', _p, _q], _p, _q])
^  Call: (188) [user] read_list(')', (0x55772f068e50), _1828348)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1830206)
   Exit: (190) [system] peek_char((0x55772f068e50), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1846216)
   Exit: (189) [system] peek_char((0x55772f068e50), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x55772f068e50), _1850006)
   Exit: (189) [system] get_char((0x55772f068e50), ')')
   Call: (189) [system] _1828348=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [])
   Call: (188) [system] _779570=[[->, ['ImplicationLink', _p, _q], _p, _q]]
   Exit: (188) [system] [[->, ['ImplicationLink', _p, _q], _p, _q]]=[[->, ['ImplicationLink', _p, _q], _p, _q]]
^  Exit: (187) [user] read_list(')', (0x55772f068e50), [[->, ['ImplicationLink', _p, _q], _p, _q]])
   Call: (187) [system] _514932=['ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]
   Exit: (187) [system] ['ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]=['ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]
^  Exit: (186) [user] read_list(')', (0x55772f068e50), ['ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]])
   Call: (186) [system] _411106=[:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]
   Exit: (186) [system] [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]=[:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]])
^  Exit: (184) [user] cont_sexpr(')', (0x55772f068e50), [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]])
^  Call: (184) [user] read_list(')', (0x55772f068e50), _1863888)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1865746)
   Exit: (186) [system] peek_char((0x55772f068e50), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1881756)
   Exit: (185) [system] peek_char((0x55772f068e50), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x55772f068e50), _1885546)
   Exit: (185) [system] get_char((0x55772f068e50), ')')
   Call: (185) [system] _1863888=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [])
   Call: (184) [system] _374446=[[:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]
   Exit: (184) [system] [[:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]=[[:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]
^  Exit: (183) [user] read_list(')', (0x55772f068e50), [[:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]])
   Call: (183) [system] _185406=[[rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]
   Exit: (183) [system] [[rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]=[[rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]
^  Exit: (182) [user] read_list(')', (0x55772f068e50), [[rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]])
   Call: (182) [system] _48104=[=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]
   Exit: (182) [system] [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]=[=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]
^  Exit: (181) [user] read_list(')', (0x55772f068e50), [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]])
^  Exit: (180) [user] cont_sexpr(')', (0x55772f068e50), [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]])
^  Exit: (179) [user] read_sexpr((0x55772f068e50), [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]])
^  Call: (179) [user] assertz(metta_file_comment(110, 0, 4366, [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]], '$stream_position'(4366, 110, 0, 4366)))
^  Exit: (179) [user] assertz(metta_file_comment(110, 0, 4366, [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]], '$stream_position'(4366, 110, 0, 4366)))
^  Exit: (177) [system] once(user:(read_position((0x55772f068e50), 110, 0, 4366, '$stream_position'(4366, 110, 0, 4366)), read_sexpr((0x55772f068e50), [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]), assertz(metta_file_comment(110, 0, 4366, [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]], '$stream_position'(4366, 110, 0, 4366)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1904064, _1904066, _1904068, _1904070, _1904072))
^  Exit: (177) [user] retract(metta_file_comment(51, 0, 1691, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), '$stream_position'(1691, 51, 0, 1691)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), _1906902))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), _1906902)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";; Nullary rule (axiom)", 51, 0), _1906902)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), _1909718))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), _1909718))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), _1909718)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), _1912518))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), _1912518)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";; Nullary rule (axiom)", 51, 0), _1912518)
   Call: (187) [system] var('$COMMENT'(";; Nullary rule (axiom)", 51, 0))
   Call: (187) [system] atom('$COMMENT'(";; Nullary rule (axiom)", 51, 0))
   Call: (187) [system] '$COMMENT'(";; Nullary rule (axiom)", 51, 0)==true
   Call: (187) [system] '$COMMENT'(";; Nullary rule (axiom)", 51, 0)==false
   Call: (187) [system] '$COMMENT'(";; Nullary rule (axiom)", 51, 0)==[_1919038, _1919044]
   Call: (187) [system] is_list('$COMMENT'(";; Nullary rule (axiom)", 51, 0))
   Call: (187) [system] string('$COMMENT'(";; Nullary rule (axiom)", 51, 0))
   Call: (187) [system] compound('$COMMENT'(";; Nullary rule (axiom)", 51, 0))
   Exit: (187) [system] compound('$COMMENT'(";; Nullary rule (axiom)", 51, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";; Nullary rule (axiom)", 51, 0), _1923672, _1923674)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Nullary rule (axiom)", 51, 0), '$COMMENT', [";; Nullary rule (axiom)", 51, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";; Nullary rule (axiom)", 51, 0], _1927414)
   Call: (188) [apply] apply:maplist_([";; Nullary rule (axiom)", 51, 0], _1927414, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";; Nullary rule (axiom)", _1929294)
   Call: (190) [system] var(";; Nullary rule (axiom)")
   Call: (190) [system] atom(";; Nullary rule (axiom)")
   Call: (190) [system] ";; Nullary rule (axiom)"==true
   Call: (190) [system] ";; Nullary rule (axiom)"==false
   Call: (190) [system] ";; Nullary rule (axiom)"==[_1933936, _1933942]
   Call: (190) [system] is_list(";; Nullary rule (axiom)")
   Call: (190) [system] string(";; Nullary rule (axiom)")
   Exit: (190) [system] string(";; Nullary rule (axiom)")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";; Nullary rule (axiom)")
^  Call: (190) [user] symbol(";; Nullary rule (axiom)")
   Call: (191) [system] atom(";; Nullary rule (axiom)")
   Fail: (191) [system] atom(";; Nullary rule (axiom)")
^  Fail: (190) [user] symbol(";; Nullary rule (axiom)")
   Call: (190) [system] ";; Nullary rule (axiom)"=_1929294
   Exit: (190) [system] ";; Nullary rule (axiom)"=";; Nullary rule (axiom)"
^  Exit: (189) [user] mfix_vars1(";; Nullary rule (axiom)", ";; Nullary rule (axiom)")
   Call: (189) [apply] apply:maplist_([51, 0], _1929296, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(51, _1947816)
   Call: (191) [system] var(51)
   Call: (191) [system] atom(51)
   Call: (191) [system] 51==true
   Call: (191) [system] 51==false
   Call: (191) [system] 51==[_1952458, _1952464]
   Call: (191) [system] is_list(51)
   Call: (191) [system] string(51)
   Call: (191) [system] compound(51)
^  Call: (191) [user] symbol(51)
   Call: (192) [system] atom(51)
   Fail: (192) [system] atom(51)
^  Fail: (191) [user] symbol(51)
   Call: (191) [system] 51=_1947816
   Exit: (191) [system] 51=51
^  Exit: (190) [user] mfix_vars1(51, 51)
   Call: (190) [apply] apply:maplist_([0], _1947818, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _1963582)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_1968224, _1968230]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_1963582
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _1963584, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([51, 0], [51, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";; Nullary rule (axiom)", 51, 0], [";; Nullary rule (axiom)", 51, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";; Nullary rule (axiom)", 51, 0], [";; Nullary rule (axiom)", 51, 0])
   Call: (187) [system] compound_name_arguments(_1912518, '$COMMENT', [";; Nullary rule (axiom)", 51, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Nullary rule (axiom)", 51, 0), '$COMMENT', [";; Nullary rule (axiom)", 51, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";; Nullary rule (axiom)", 51, 0), '$COMMENT'(";; Nullary rule (axiom)", 51, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), '$COMMENT'(";; Nullary rule (axiom)", 51, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), '$COMMENT'(";; Nullary rule (axiom)", 51, 0)))
   Call: (184) [system] '$COMMENT'(";; Nullary rule (axiom)", 51, 0)\=@='$COMMENT'(";; Nullary rule (axiom)", 51, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), '$COMMENT'(";; Nullary rule (axiom)", 51, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), '$COMMENT'(";; Nullary rule (axiom)", 51, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), '$COMMENT'(";; Nullary rule (axiom)", 51, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), _1992400))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), _1992400))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), _1992400)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), _1995200))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), _1995200)
^  Call: (186) [user] cons_to_c('$COMMENT'(";; Nullary rule (axiom)", 51, 0), _1995200)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";; Nullary rule (axiom)", 51, 0), '$COMMENT'(";; Nullary rule (axiom)", 51, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), '$COMMENT'(";; Nullary rule (axiom)", 51, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), '$COMMENT'(";; Nullary rule (axiom)", 51, 0)))
   Call: (184) [system] '$COMMENT'(";; Nullary rule (axiom)", 51, 0)\=@='$COMMENT'(";; Nullary rule (axiom)", 51, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), '$COMMENT'(";; Nullary rule (axiom)", 51, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), '$COMMENT'(";; Nullary rule (axiom)", 51, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), '$COMMENT'(";; Nullary rule (axiom)", 51, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), _1906902))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), _1906902))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), _1906902)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), _2009158))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), _2009158)
^  Call: (186) [user] cons_to_l('$COMMENT'(";; Nullary rule (axiom)", 51, 0), _2009158)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";; Nullary rule (axiom)", 51, 0), '$COMMENT'(";; Nullary rule (axiom)", 51, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), '$COMMENT'(";; Nullary rule (axiom)", 51, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), '$COMMENT'(";; Nullary rule (axiom)", 51, 0)))
   Call: (184) [system] '$COMMENT'(";; Nullary rule (axiom)", 51, 0)\=@='$COMMENT'(";; Nullary rule (axiom)", 51, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), '$COMMENT'(";; Nullary rule (axiom)", 51, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), '$COMMENT'(";; Nullary rule (axiom)", 51, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), '$COMMENT'(";; Nullary rule (axiom)", 51, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";; Nullary rule (axiom)", 51, 0), '$COMMENT'(";; Nullary rule (axiom)", 51, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), '$COMMENT'(";; Nullary rule (axiom)", 51, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), '$COMMENT'(";; Nullary rule (axiom)", 51, 0)))
   Call: (178) [system] '$COMMENT'(";; Nullary rule (axiom)", 51, 0)\=@='$COMMENT'(";; Nullary rule (axiom)", 51, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Nullary rule (axiom)", 51, 0), '$COMMENT'(";; Nullary rule (axiom)", 51, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; Nullary rule (axiom)", 51, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; Nullary rule (axiom)", 51, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; Nullary rule (axiom)", 51, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";; Nullary rule (axiom)", 51, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";; Nullary rule (axiom)", 51, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; Nullary rule (axiom)", 51, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; Nullary rule (axiom)", 51, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; Nullary rule (axiom)", 51, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";; Nullary rule (axiom)", 51, 0))
^  Exit: (171) [user] read_sform((0x55772f068e50), '$COMMENT'(";; Nullary rule (axiom)", 51, 0))
^  Exit: (170) [system] once(user:read_sform((0x55772f068e50), '$COMMENT'(";; Nullary rule (axiom)", 51, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x55772f068e50), '$COMMENT'(";; Nullary rule (axiom)", 51, 0)))
   Call: (169) [system] '$COMMENT'(";; Nullary rule (axiom)", 51, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; Nullary rule (axiom)", 51, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Nullary rule (axiom)", 51, 0)), 109]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; Nullary rule (axiom)", 51, 0), me_synthesize_1727481849_9551582, 109)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Nullary rule (axiom)", 51, 0)), 109]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727481859.5450575)
   Call: (173) [system] arg(1, t(1727481858.222791), _3148)
   Exit: (173) [system] arg(1, t(1727481858.222791), 1727481858.222791)
   Call: (173) [system] _3158 is 1727481859.5450575-1727481858.222791
   Exit: (173) [system] 1.3222665786743164 is 1727481859.5450575-1727481858.222791
   Call: (173) [system] 1.3222665786743164>4
   Fail: (173) [system] 1.3222665786743164>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Nullary rule (axiom)", 51, 0)), 109]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 17)
   Call: (175) [system] atom(17+1)
   Call: (175) [system] set_flag(translated_forms, 18)
   Exit: (175) [system] set_flag(translated_forms, 18)
   Exit: (174) [$syspreds] update_flag(translated_forms, 17, 17+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 17, 17+1))
   Exit: (171) [$syspreds] flag(translated_forms, 17, 17+1)
^  Call: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; Nullary rule (axiom)", 51, 0), me_synthesize_1727481849_9551582, 109)
^  Call: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";; Nullary rule (axiom)"])
^  Exit: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";; Nullary rule (axiom)"])
^  Exit: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; Nullary rule (axiom)", 51, 0), me_synthesize_1727481849_9551582, 109)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Nullary rule (axiom)", 51, 0)), 109]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 17, 17+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; Nullary rule (axiom)", 51, 0), me_synthesize_1727481849_9551582, 109)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x55772f068e50))
   Fail: (169) [system] at_end_of_stream((0x55772f068e50))
^  Call: (169) [user] must_det_ll(line_count((0x55772f068e50), _3074))
^  Call: (170) [user] once(user:line_count((0x55772f068e50), _3074))
   Call: (171) [system] line_count((0x55772f068e50), _3074)
   Exit: (171) [system] line_count((0x55772f068e50), 110)
^  Exit: (170) [system] once(user:line_count((0x55772f068e50), 110))
^  Exit: (169) [user] must_det_ll(user:line_count((0x55772f068e50), 110))
^  Call: (169) [user] must_det_ll(read_sform((0x55772f068e50), _3084))
^  Call: (170) [user] once(user:read_sform((0x55772f068e50), _3084))
^  Call: (171) [user] read_sform((0x55772f068e50), _3084)
   Call: (172) [system] string((0x55772f068e50))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (173) [system] string((0x55772f068e50))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (174) [system] at_end_of_stream((0x55772f068e50))
   Call: (174) [system] peek_char((0x55772f068e50), _2083942)
   Exit: (174) [system] peek_char((0x55772f068e50), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x55772f068e50), '\n')
   Exit: (174) [system] get_char((0x55772f068e50), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), _3084)
   Call: (175) [system] at_end_of_stream((0x55772f068e50))
   Call: (175) [system] peek_char((0x55772f068e50), _2091364)
   Exit: (175) [system] peek_char((0x55772f068e50), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (176) [system] string((0x55772f068e50))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (177) [system] at_end_of_stream((0x55772f068e50))
   Call: (177) [system] peek_char((0x55772f068e50), _6024)
   Exit: (177) [system] peek_char((0x55772f068e50), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _8810=(0x55772f068e50)
   Exit: (177) [system] (0x55772f068e50)=(0x55772f068e50)
^  Call: (177) [user] once((read_position((0x55772f068e50), _10678, _10680, _10682, _10684), read_sexpr((0x55772f068e50), _10696), assertz(metta_file_comment(_10678, _10680, _10682, _10696, _10684))))
^  Call: (179) [user] read_position((0x55772f068e50), _10678, _10680, _10682, _10684)
   Call: (180) [system] stream_property((0x55772f068e50), position(_10684))
   Call: (181) [system] nonvar((0x55772f068e50))
   Exit: (181) [system] nonvar((0x55772f068e50))
   Call: (181) [system] nonvar(position(_10684))
   Exit: (181) [system] nonvar(position(_10684))
   Exit: (180) [system] stream_property((0x55772f068e50), position('$stream_position'(4426, 111, 0, 4426)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4426, 111, 0, 4426), _10678)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _20936)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4426, 111, 0, 4426), _10678)
   Exit: (181) [system] arg(2, '$stream_position'(4426, 111, 0, 4426), 111)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4426, 111, 0, 4426), 111)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4426, 111, 0, 4426), _10680)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _28370)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4426, 111, 0, 4426), _10680)
   Exit: (181) [system] arg(3, '$stream_position'(4426, 111, 0, 4426), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4426, 111, 0, 4426), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4426, 111, 0, 4426), _10682)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _35804)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4426, 111, 0, 4426), _10682)
   Exit: (181) [system] arg(1, '$stream_position'(4426, 111, 0, 4426), 4426)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4426, 111, 0, 4426), 4426)
^  Exit: (179) [user] read_position((0x55772f068e50), 111, 0, 4426, '$stream_position'(4426, 111, 0, 4426))
^  Call: (179) [user] read_sexpr((0x55772f068e50), _10696)
   Call: (180) [system] string((0x55772f068e50))
   Fail: (180) [system] string((0x55772f068e50))
^  Call: (180) [user] cont_sexpr(')', (0x55772f068e50), _10696)
^  Call: (181) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _46030)
   Exit: (182) [system] peek_char((0x55772f068e50), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x55772f068e50))
   Call: (181) [system] get_char((0x55772f068e50), _62040)
   Exit: (181) [system] get_char((0x55772f068e50), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x55772f068e50), _10696)
^  Call: (182) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _67610)
   Exit: (183) [system] peek_char((0x55772f068e50), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _83620)
   Exit: (182) [system] peek_char((0x55772f068e50), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x55772f068e50), _89190)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _91048)
   Exit: (184) [system] peek_char((0x55772f068e50), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] get_char((0x55772f068e50), _107058)
   Exit: (183) [system] get_char((0x55772f068e50), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x55772f068e50), =, _89190)
^  Call: (184) [user] read_symbolic_cont(')', (0x55772f068e50), _124700)
   Call: (185) [system] peek_char((0x55772f068e50), _125634)
   Exit: (185) [system] peek_char((0x55772f068e50), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _124700=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _89190)
^  Call: (185) [user] classify_and_convert_charseq_([=], _134918)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_135870, _135872), once(user:catch(read_from_chars([=], _134918), _135852, fail)), '$restore_trace'(_135870, _135872))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_135870, _135872))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _135852, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _89190=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x55772f068e50), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x55772f068e50), =)
^  Call: (182) [user] read_list(')', (0x55772f068e50), _147998)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _149856)
   Exit: (184) [system] peek_char((0x55772f068e50), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x55772f068e50), _159450)
   Exit: (184) [system] get_char((0x55772f068e50), ' ')
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _162154)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _179088)
   Exit: (183) [system] peek_char((0x55772f068e50), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x55772f068e50), _184658)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _186516)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] get_char((0x55772f068e50), _202526)
   Exit: (184) [system] get_char((0x55772f068e50), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x55772f068e50), _184658)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _208096)
   Exit: (186) [system] peek_char((0x55772f068e50), r)
   Call: (186) [system] r=(;)
   Fail: (186) [system] r=(;)
   Call: (186) [system] r=(/)
   Fail: (186) [system] r=(/)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Fail: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Fail: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Fail: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
   Fail: (187) [system] char_type(r, cntrl)
^  Fail: (186) [user] is_like_space(r)
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _224106)
   Exit: (185) [system] peek_char((0x55772f068e50), r)
   Call: (185) [system] r=')'
   Fail: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
   Fail: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x55772f068e50), _229676)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _231534)
   Exit: (187) [system] peek_char((0x55772f068e50), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
   Call: (187) [system] r=(/)
   Fail: (187) [system] r=(/)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] get_char((0x55772f068e50), _247544)
   Exit: (186) [system] get_char((0x55772f068e50), r)
   Call: (186) [system] r='('
   Fail: (186) [system] r='('
   Call: (186) [system] r='['
   Fail: (186) [system] r='['
   Call: (186) [system] r='{'
   Fail: (186) [system] r='{'
   Call: (186) [system] r='"'
   Fail: (186) [system] r='"'
   Call: (186) [system] r=!
   Fail: (186) [system] r=!
   Call: (186) [system] r='\''
   Fail: (186) [system] r='\''
   Call: (186) [system] r='`'
   Fail: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
   Fail: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x55772f068e50), r, _229676)
^  Call: (187) [user] read_symbolic_cont(')', (0x55772f068e50), _265186)
   Call: (188) [system] peek_char((0x55772f068e50), _266120)
   Exit: (188) [system] peek_char((0x55772f068e50), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_270840, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_271772, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x55772f068e50), b)
   Exit: (188) [system] get_char((0x55772f068e50), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _279122)
   Call: (189) [system] peek_char((0x55772f068e50), _280056)
   Exit: (189) [system] peek_char((0x55772f068e50), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_284776, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _279122=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (188) [system] _265186=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
^  Call: (187) [user] classify_and_convert_charseq([r, b], _229676)
^  Call: (188) [user] classify_and_convert_charseq_([r, b], _294006)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_294958, _294960), once(user:catch(read_from_chars([r, b], _294006), _294940, fail)), '$restore_trace'(_294958, _294960))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_294958, _294960))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _294940, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(rb)
   Exit: (189) [system] atomic(rb)
^  Exit: (188) [user] classify_and_convert_charseq_([r, b], rb)
   Call: (188) [system] integer(rb)
   Fail: (188) [system] integer(rb)
   Call: (188) [system] _229676=rb
   Exit: (188) [system] rb=rb
^  Exit: (187) [user] classify_and_convert_charseq([r, b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x55772f068e50), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x55772f068e50), rb)
^  Call: (185) [user] read_list(')', (0x55772f068e50), _307086)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _308944)
   Exit: (187) [system] peek_char((0x55772f068e50), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _324954)
   Exit: (186) [system] peek_char((0x55772f068e50), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x55772f068e50), _328744)
   Exit: (186) [system] get_char((0x55772f068e50), ')')
   Call: (186) [system] _307086=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [])
   Call: (185) [system] _184658=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x55772f068e50), [rb])
^  Call: (183) [user] read_list(')', (0x55772f068e50), _337038)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _338896)
   Exit: (185) [system] peek_char((0x55772f068e50), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x55772f068e50), _348490)
   Exit: (185) [system] get_char((0x55772f068e50), ' ')
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _351194)
   Exit: (186) [system] peek_char((0x55772f068e50), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _368128)
   Exit: (184) [system] peek_char((0x55772f068e50), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x55772f068e50), _373698)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _375556)
   Exit: (186) [system] peek_char((0x55772f068e50), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] get_char((0x55772f068e50), _391566)
   Exit: (185) [system] get_char((0x55772f068e50), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x55772f068e50), _373698)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _397136)
   Exit: (187) [system] peek_char((0x55772f068e50), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
   Call: (187) [system] (:)=(/)
   Fail: (187) [system] (:)=(/)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _413146)
   Exit: (186) [system] peek_char((0x55772f068e50), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x55772f068e50), _418716)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _420574)
   Exit: (188) [system] peek_char((0x55772f068e50), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
   Call: (188) [system] (:)=(/)
   Fail: (188) [system] (:)=(/)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] get_char((0x55772f068e50), _436584)
   Exit: (187) [system] get_char((0x55772f068e50), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x55772f068e50), :, _418716)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _454226)
   Call: (189) [system] peek_char((0x55772f068e50), _455160)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _454226=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (188) [user] classify_and_convert_charseq([:], _418716)
^  Call: (189) [user] classify_and_convert_charseq_([:], _464444)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_465396, _465398), once(user:catch(read_from_chars([:], _464444), _465378, fail)), '$restore_trace'(_465396, _465398))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_465396, _465398))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _465378, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(:)
   Exit: (190) [system] atomic(:)
^  Exit: (189) [user] classify_and_convert_charseq_([:], :)
   Call: (189) [system] integer(:)
   Fail: (189) [system] integer(:)
   Call: (189) [system] _418716=(:)
   Exit: (189) [system] (:)=(:)
^  Exit: (188) [user] classify_and_convert_charseq([:], :)
^  Exit: (187) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (186) [user] read_list(')', (0x55772f068e50), _477524)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _479382)
   Exit: (188) [system] peek_char((0x55772f068e50), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x55772f068e50), _488976)
   Exit: (188) [system] get_char((0x55772f068e50), ' ')
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _491680)
   Exit: (189) [system] peek_char((0x55772f068e50), 'D')
   Call: (189) [system] 'D'=(;)
   Fail: (189) [system] 'D'=(;)
   Call: (189) [system] 'D'=(/)
   Fail: (189) [system] 'D'=(/)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Fail: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Fail: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Fail: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
   Fail: (190) [system] char_type('D', cntrl)
^  Fail: (189) [user] is_like_space('D')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _508614)
   Exit: (187) [system] peek_char((0x55772f068e50), 'D')
   Call: (187) [system] 'D'=')'
   Fail: (187) [system] 'D'=')'
   Call: (187) [system] 'D'=end_of_file
   Fail: (187) [system] 'D'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x55772f068e50), _514184)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _516042)
   Exit: (189) [system] peek_char((0x55772f068e50), 'D')
   Call: (189) [system] 'D'=(;)
   Fail: (189) [system] 'D'=(;)
   Call: (189) [system] 'D'=(/)
   Fail: (189) [system] 'D'=(/)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Fail: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Fail: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Fail: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
   Fail: (190) [system] char_type('D', cntrl)
^  Fail: (189) [user] is_like_space('D')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] get_char((0x55772f068e50), _532052)
   Exit: (188) [system] get_char((0x55772f068e50), 'D')
   Call: (188) [system] 'D'='('
   Fail: (188) [system] 'D'='('
   Call: (188) [system] 'D'='['
   Fail: (188) [system] 'D'='['
   Call: (188) [system] 'D'='{'
   Fail: (188) [system] 'D'='{'
   Call: (188) [system] 'D'='"'
   Fail: (188) [system] 'D'='"'
   Call: (188) [system] 'D'=!
   Fail: (188) [system] 'D'=!
   Call: (188) [system] 'D'='\''
   Fail: (188) [system] 'D'='\''
   Call: (188) [system] 'D'='`'
   Fail: (188) [system] 'D'='`'
   Call: (188) [system] 'D'=end_of_file
   Fail: (188) [system] 'D'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x55772f068e50), 'D', _514184)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _549694)
   Call: (190) [system] peek_char((0x55772f068e50), _550628)
   Exit: (190) [system] peek_char((0x55772f068e50), e)
^  Call: (190) [user] is_delimiter(e)
   Call: (191) [system] char_type(e, space)
   Fail: (191) [system] char_type(e, space)
   Call: (191) [system] arg(_555348, v('(', ')', end_of_file), e)
   Fail: (191) [system] arg(_556280, v('(', ')', end_of_file), e)
^  Fail: (190) [user] is_delimiter(e)
   Call: (190) [system] ')'==e
   Fail: (190) [system] ')'==e
   Call: (190) [system] get_char((0x55772f068e50), e)
   Exit: (190) [system] get_char((0x55772f068e50), e)
   Call: (190) [system] e=(\)
   Fail: (190) [system] e=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _563630)
   Call: (191) [system] peek_char((0x55772f068e50), _564564)
   Exit: (191) [system] peek_char((0x55772f068e50), d)
^  Call: (191) [user] is_delimiter(d)
   Call: (192) [system] char_type(d, space)
   Fail: (192) [system] char_type(d, space)
   Call: (192) [system] arg(_569284, v('(', ')', end_of_file), d)
   Fail: (192) [system] arg(_570216, v('(', ')', end_of_file), d)
^  Fail: (191) [user] is_delimiter(d)
   Call: (191) [system] ')'==d
   Fail: (191) [system] ')'==d
   Call: (191) [system] get_char((0x55772f068e50), d)
   Exit: (191) [system] get_char((0x55772f068e50), d)
   Call: (191) [system] d=(\)
   Fail: (191) [system] d=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _577566)
   Call: (192) [system] peek_char((0x55772f068e50), _578500)
   Exit: (192) [system] peek_char((0x55772f068e50), u)
^  Call: (192) [user] is_delimiter(u)
   Call: (193) [system] char_type(u, space)
   Fail: (193) [system] char_type(u, space)
   Call: (193) [system] arg(_583220, v('(', ')', end_of_file), u)
   Fail: (193) [system] arg(_584152, v('(', ')', end_of_file), u)
^  Fail: (192) [user] is_delimiter(u)
   Call: (192) [system] ')'==u
   Fail: (192) [system] ')'==u
   Call: (192) [system] get_char((0x55772f068e50), u)
   Exit: (192) [system] get_char((0x55772f068e50), u)
   Call: (192) [system] u=(\)
   Fail: (192) [system] u=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _591502)
   Call: (193) [system] peek_char((0x55772f068e50), _592436)
   Exit: (193) [system] peek_char((0x55772f068e50), c)
^  Call: (193) [user] is_delimiter(c)
   Call: (194) [system] char_type(c, space)
   Fail: (194) [system] char_type(c, space)
   Call: (194) [system] arg(_597156, v('(', ')', end_of_file), c)
   Fail: (194) [system] arg(_598088, v('(', ')', end_of_file), c)
^  Fail: (193) [user] is_delimiter(c)
   Call: (193) [system] ')'==c
   Fail: (193) [system] ')'==c
   Call: (193) [system] get_char((0x55772f068e50), c)
   Exit: (193) [system] get_char((0x55772f068e50), c)
   Call: (193) [system] c=(\)
   Fail: (193) [system] c=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _605438)
   Call: (194) [system] peek_char((0x55772f068e50), _606372)
   Exit: (194) [system] peek_char((0x55772f068e50), t)
^  Call: (194) [user] is_delimiter(t)
   Call: (195) [system] char_type(t, space)
   Fail: (195) [system] char_type(t, space)
   Call: (195) [system] arg(_611092, v('(', ')', end_of_file), t)
   Fail: (195) [system] arg(_612024, v('(', ')', end_of_file), t)
^  Fail: (194) [user] is_delimiter(t)
   Call: (194) [system] ')'==t
   Fail: (194) [system] ')'==t
   Call: (194) [system] get_char((0x55772f068e50), t)
   Exit: (194) [system] get_char((0x55772f068e50), t)
   Call: (194) [system] t=(\)
   Fail: (194) [system] t=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _619374)
   Call: (195) [system] peek_char((0x55772f068e50), _620308)
   Exit: (195) [system] peek_char((0x55772f068e50), i)
^  Call: (195) [user] is_delimiter(i)
   Call: (196) [system] char_type(i, space)
   Fail: (196) [system] char_type(i, space)
   Call: (196) [system] arg(_625028, v('(', ')', end_of_file), i)
   Fail: (196) [system] arg(_625960, v('(', ')', end_of_file), i)
^  Fail: (195) [user] is_delimiter(i)
   Call: (195) [system] ')'==i
   Fail: (195) [system] ')'==i
   Call: (195) [system] get_char((0x55772f068e50), i)
   Exit: (195) [system] get_char((0x55772f068e50), i)
   Call: (195) [system] i=(\)
   Fail: (195) [system] i=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _633310)
   Call: (196) [system] peek_char((0x55772f068e50), _634244)
   Exit: (196) [system] peek_char((0x55772f068e50), o)
^  Call: (196) [user] is_delimiter(o)
   Call: (197) [system] char_type(o, space)
   Fail: (197) [system] char_type(o, space)
   Call: (197) [system] arg(_638964, v('(', ')', end_of_file), o)
   Fail: (197) [system] arg(_639896, v('(', ')', end_of_file), o)
^  Fail: (196) [user] is_delimiter(o)
   Call: (196) [system] ')'==o
   Fail: (196) [system] ')'==o
   Call: (196) [system] get_char((0x55772f068e50), o)
   Exit: (196) [system] get_char((0x55772f068e50), o)
   Call: (196) [system] o=(\)
   Fail: (196) [system] o=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _647246)
   Call: (197) [system] peek_char((0x55772f068e50), _648180)
   Exit: (197) [system] peek_char((0x55772f068e50), n)
^  Call: (197) [user] is_delimiter(n)
   Call: (198) [system] char_type(n, space)
   Fail: (198) [system] char_type(n, space)
   Call: (198) [system] arg(_652900, v('(', ')', end_of_file), n)
   Fail: (198) [system] arg(_653832, v('(', ')', end_of_file), n)
^  Fail: (197) [user] is_delimiter(n)
   Call: (197) [system] ')'==n
   Fail: (197) [system] ')'==n
   Call: (197) [system] get_char((0x55772f068e50), n)
   Exit: (197) [system] get_char((0x55772f068e50), n)
   Call: (197) [system] n=(\)
   Fail: (197) [system] n=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _661182)
   Call: (198) [system] peek_char((0x55772f068e50), _662116)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _661182=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (197) [system] _647246=[n]
   Exit: (197) [system] [n]=[n]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (196) [system] _633310=[o, n]
   Exit: (196) [system] [o, n]=[o, n]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (195) [system] _619374=[i, o, n]
   Exit: (195) [system] [i, o, n]=[i, o, n]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (194) [system] _605438=[t, i, o, n]
   Exit: (194) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (193) [system] _591502=[c, t, i, o, n]
   Exit: (193) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (192) [system] _577566=[u, c, t, i, o, n]
   Exit: (192) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (191) [system] _563630=[d, u, c, t, i, o, n]
   Exit: (191) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (190) [system] _549694=[e, d, u, c, t, i, o, n]
   Exit: (190) [system] [e, d, u, c, t, i, o, n]=[e, d, u, c, t, i, o, n]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [e, d, u, c, t, i, o, n])
^  Call: (189) [user] classify_and_convert_charseq(['D', e, d, u, c, t, i, o, n], _514184)
^  Call: (190) [user] classify_and_convert_charseq_(['D', e, d, u, c, t, i, o, n], _693752)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_694704, _694706), once(user:catch(read_from_chars(['D', e, d, u, c, t, i, o, n], _693752), _694686, fail)), '$restore_trace'(_694704, _694706))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_694704, _694706))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', e, d, u, c, t, i, o, n], _693752), _694686, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(_693752)
   Fail: (191) [system] atomic(_693752)
   Call: (191) [system] atom_chars(_693752, ['D', e, d, u, c, t, i, o, n])
   Exit: (191) [system] atom_chars('Deduction', ['D', e, d, u, c, t, i, o, n])
^  Exit: (190) [user] classify_and_convert_charseq_(['D', e, d, u, c, t, i, o, n], 'Deduction')
   Call: (190) [system] integer('Deduction')
   Fail: (190) [system] integer('Deduction')
   Call: (190) [system] _514184='Deduction'
   Exit: (190) [system] 'Deduction'='Deduction'
^  Exit: (189) [user] classify_and_convert_charseq(['D', e, d, u, c, t, i, o, n], 'Deduction')
^  Exit: (188) [user] read_symbolic(')', (0x55772f068e50), 'D', 'Deduction')
^  Exit: (187) [user] cont_sexpr(')', (0x55772f068e50), 'Deduction')
^  Call: (187) [user] read_list(')', (0x55772f068e50), _708702)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _710560)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x55772f068e50), _720154)
   Exit: (189) [system] get_char((0x55772f068e50), ' ')
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _722858)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _739792)
   Exit: (188) [system] peek_char((0x55772f068e50), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x55772f068e50), _745362)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _747220)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] get_char((0x55772f068e50), _763230)
   Exit: (189) [system] get_char((0x55772f068e50), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x55772f068e50), _745362)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _768800)
   Exit: (191) [system] peek_char((0x55772f068e50), -)
   Call: (191) [system] (-)=(;)
   Fail: (191) [system] (-)=(;)
   Call: (191) [system] (-)=(/)
   Fail: (191) [system] (-)=(/)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Fail: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Fail: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Fail: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
   Fail: (192) [system] char_type(-, cntrl)
^  Fail: (191) [user] is_like_space(-)
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _784810)
   Exit: (190) [system] peek_char((0x55772f068e50), -)
   Call: (190) [system] (-)=')'
   Fail: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
   Fail: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x55772f068e50), _790380)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _792238)
   Exit: (192) [system] peek_char((0x55772f068e50), -)
   Call: (192) [system] (-)=(;)
   Fail: (192) [system] (-)=(;)
   Call: (192) [system] (-)=(/)
   Fail: (192) [system] (-)=(/)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Fail: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Fail: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Fail: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
   Fail: (193) [system] char_type(-, cntrl)
^  Fail: (192) [user] is_like_space(-)
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] get_char((0x55772f068e50), _808248)
   Exit: (191) [system] get_char((0x55772f068e50), -)
   Call: (191) [system] (-)='('
   Fail: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Fail: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Fail: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Fail: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Fail: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Fail: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Fail: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
   Fail: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x55772f068e50), -, _790380)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _825890)
   Call: (193) [system] peek_char((0x55772f068e50), _826824)
   Exit: (193) [system] peek_char((0x55772f068e50), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Fail: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_831544, v('(', ')', end_of_file), >)
   Fail: (194) [system] arg(_832476, v('(', ')', end_of_file), >)
^  Fail: (193) [user] is_delimiter(>)
   Call: (193) [system] ')'==(>)
   Fail: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x55772f068e50), >)
   Exit: (193) [system] get_char((0x55772f068e50), >)
   Call: (193) [system] (>)=(\)
   Fail: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _839826)
   Call: (194) [system] peek_char((0x55772f068e50), _840760)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _839826=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (193) [system] _825890=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [>])
^  Call: (192) [user] classify_and_convert_charseq([-, >], _790380)
^  Call: (193) [user] classify_and_convert_charseq_([-, >], _852838)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_853790, _853792), once(user:catch(read_from_chars([-, >], _852838), _853772, fail)), '$restore_trace'(_853790, _853792))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_853790, _853792))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _853772, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(->)
   Exit: (194) [system] atomic(->)
^  Exit: (193) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (193) [system] integer(->)
   Fail: (193) [system] integer(->)
   Call: (193) [system] _790380=(->)
   Exit: (193) [system] (->)=(->)
^  Exit: (192) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (191) [user] read_symbolic(')', (0x55772f068e50), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x55772f068e50), ->)
^  Call: (190) [user] read_list(')', (0x55772f068e50), _865918)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _867776)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x55772f068e50), _877370)
   Exit: (192) [system] get_char((0x55772f068e50), ' ')
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _880074)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _897008)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x55772f068e50), _902578)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _904436)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] get_char((0x55772f068e50), _920446)
   Exit: (192) [system] get_char((0x55772f068e50), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x55772f068e50), _902578)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _926016)
   Exit: (194) [system] peek_char((0x55772f068e50), 'I')
   Call: (194) [system] 'I'=(;)
   Fail: (194) [system] 'I'=(;)
   Call: (194) [system] 'I'=(/)
   Fail: (194) [system] 'I'=(/)
^  Call: (194) [user] is_like_space('I')
   Call: (195) [system] char_type('I', 'white')
   Fail: (195) [system] char_type('I', 'white')
   Call: (195) [system] char_type('I', end_of_line)
   Fail: (195) [system] char_type('I', end_of_line)
   Call: (195) [system] char_type('I', space)
   Fail: (195) [system] char_type('I', space)
   Call: (195) [system] char_type('I', cntrl)
   Fail: (195) [system] char_type('I', cntrl)
^  Fail: (194) [user] is_like_space('I')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _942026)
   Exit: (193) [system] peek_char((0x55772f068e50), 'I')
   Call: (193) [system] 'I'=')'
   Fail: (193) [system] 'I'=')'
   Call: (193) [system] 'I'=end_of_file
   Fail: (193) [system] 'I'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _947596)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _949454)
   Exit: (195) [system] peek_char((0x55772f068e50), 'I')
   Call: (195) [system] 'I'=(;)
   Fail: (195) [system] 'I'=(;)
   Call: (195) [system] 'I'=(/)
   Fail: (195) [system] 'I'=(/)
^  Call: (195) [user] is_like_space('I')
   Call: (196) [system] char_type('I', 'white')
   Fail: (196) [system] char_type('I', 'white')
   Call: (196) [system] char_type('I', end_of_line)
   Fail: (196) [system] char_type('I', end_of_line)
   Call: (196) [system] char_type('I', space)
   Fail: (196) [system] char_type('I', space)
   Call: (196) [system] char_type('I', cntrl)
   Fail: (196) [system] char_type('I', cntrl)
^  Fail: (195) [user] is_like_space('I')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _965464)
   Exit: (194) [system] get_char((0x55772f068e50), 'I')
   Call: (194) [system] 'I'='('
   Fail: (194) [system] 'I'='('
   Call: (194) [system] 'I'='['
   Fail: (194) [system] 'I'='['
   Call: (194) [system] 'I'='{'
   Fail: (194) [system] 'I'='{'
   Call: (194) [system] 'I'='"'
   Fail: (194) [system] 'I'='"'
   Call: (194) [system] 'I'=!
   Fail: (194) [system] 'I'=!
   Call: (194) [system] 'I'='\''
   Fail: (194) [system] 'I'='\''
   Call: (194) [system] 'I'='`'
   Fail: (194) [system] 'I'='`'
   Call: (194) [system] 'I'=end_of_file
   Fail: (194) [system] 'I'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x55772f068e50), 'I', _947596)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _983106)
   Call: (196) [system] peek_char((0x55772f068e50), _984040)
   Exit: (196) [system] peek_char((0x55772f068e50), m)
^  Call: (196) [user] is_delimiter(m)
   Call: (197) [system] char_type(m, space)
   Fail: (197) [system] char_type(m, space)
   Call: (197) [system] arg(_988760, v('(', ')', end_of_file), m)
   Fail: (197) [system] arg(_989692, v('(', ')', end_of_file), m)
^  Fail: (196) [user] is_delimiter(m)
   Call: (196) [system] ')'==m
   Fail: (196) [system] ')'==m
   Call: (196) [system] get_char((0x55772f068e50), m)
   Exit: (196) [system] get_char((0x55772f068e50), m)
   Call: (196) [system] m=(\)
   Fail: (196) [system] m=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _997042)
   Call: (197) [system] peek_char((0x55772f068e50), _997976)
   Exit: (197) [system] peek_char((0x55772f068e50), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Fail: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_1002696, v('(', ')', end_of_file), p)
   Fail: (198) [system] arg(_1003628, v('(', ')', end_of_file), p)
^  Fail: (197) [user] is_delimiter(p)
   Call: (197) [system] ')'==p
   Fail: (197) [system] ')'==p
   Call: (197) [system] get_char((0x55772f068e50), p)
   Exit: (197) [system] get_char((0x55772f068e50), p)
   Call: (197) [system] p=(\)
   Fail: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1010978)
   Call: (198) [system] peek_char((0x55772f068e50), _1011912)
   Exit: (198) [system] peek_char((0x55772f068e50), l)
^  Call: (198) [user] is_delimiter(l)
   Call: (199) [system] char_type(l, space)
   Fail: (199) [system] char_type(l, space)
   Call: (199) [system] arg(_1016632, v('(', ')', end_of_file), l)
   Fail: (199) [system] arg(_1017564, v('(', ')', end_of_file), l)
^  Fail: (198) [user] is_delimiter(l)
   Call: (198) [system] ')'==l
   Fail: (198) [system] ')'==l
   Call: (198) [system] get_char((0x55772f068e50), l)
   Exit: (198) [system] get_char((0x55772f068e50), l)
   Call: (198) [system] l=(\)
   Fail: (198) [system] l=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1024914)
   Call: (199) [system] peek_char((0x55772f068e50), _1025848)
   Exit: (199) [system] peek_char((0x55772f068e50), i)
^  Call: (199) [user] is_delimiter(i)
   Call: (200) [system] char_type(i, space)
   Fail: (200) [system] char_type(i, space)
   Call: (200) [system] arg(_1030568, v('(', ')', end_of_file), i)
   Fail: (200) [system] arg(_1031500, v('(', ')', end_of_file), i)
^  Fail: (199) [user] is_delimiter(i)
   Call: (199) [system] ')'==i
   Fail: (199) [system] ')'==i
   Call: (199) [system] get_char((0x55772f068e50), i)
   Exit: (199) [system] get_char((0x55772f068e50), i)
   Call: (199) [system] i=(\)
   Fail: (199) [system] i=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1038850)
   Call: (200) [system] peek_char((0x55772f068e50), _1039784)
   Exit: (200) [system] peek_char((0x55772f068e50), c)
^  Call: (200) [user] is_delimiter(c)
   Call: (201) [system] char_type(c, space)
   Fail: (201) [system] char_type(c, space)
   Call: (201) [system] arg(_1044504, v('(', ')', end_of_file), c)
   Fail: (201) [system] arg(_1045436, v('(', ')', end_of_file), c)
^  Fail: (200) [user] is_delimiter(c)
   Call: (200) [system] ')'==c
   Fail: (200) [system] ')'==c
   Call: (200) [system] get_char((0x55772f068e50), c)
   Exit: (200) [system] get_char((0x55772f068e50), c)
   Call: (200) [system] c=(\)
   Fail: (200) [system] c=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1052786)
   Call: (201) [system] peek_char((0x55772f068e50), _1053720)
   Exit: (201) [system] peek_char((0x55772f068e50), a)
^  Call: (201) [user] is_delimiter(a)
   Call: (202) [system] char_type(a, space)
   Fail: (202) [system] char_type(a, space)
   Call: (202) [system] arg(_1058440, v('(', ')', end_of_file), a)
   Fail: (202) [system] arg(_1059372, v('(', ')', end_of_file), a)
^  Fail: (201) [user] is_delimiter(a)
   Call: (201) [system] ')'==a
   Fail: (201) [system] ')'==a
   Call: (201) [system] get_char((0x55772f068e50), a)
   Exit: (201) [system] get_char((0x55772f068e50), a)
   Call: (201) [system] a=(\)
   Fail: (201) [system] a=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1066722)
   Call: (202) [system] peek_char((0x55772f068e50), _1067656)
   Exit: (202) [system] peek_char((0x55772f068e50), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Fail: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_1072376, v('(', ')', end_of_file), t)
   Fail: (203) [system] arg(_1073308, v('(', ')', end_of_file), t)
^  Fail: (202) [user] is_delimiter(t)
   Call: (202) [system] ')'==t
   Fail: (202) [system] ')'==t
   Call: (202) [system] get_char((0x55772f068e50), t)
   Exit: (202) [system] get_char((0x55772f068e50), t)
   Call: (202) [system] t=(\)
   Fail: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1080658)
   Call: (203) [system] peek_char((0x55772f068e50), _1081592)
   Exit: (203) [system] peek_char((0x55772f068e50), i)
^  Call: (203) [user] is_delimiter(i)
   Call: (204) [system] char_type(i, space)
   Fail: (204) [system] char_type(i, space)
   Call: (204) [system] arg(_1086312, v('(', ')', end_of_file), i)
   Fail: (204) [system] arg(_1087244, v('(', ')', end_of_file), i)
^  Fail: (203) [user] is_delimiter(i)
   Call: (203) [system] ')'==i
   Fail: (203) [system] ')'==i
   Call: (203) [system] get_char((0x55772f068e50), i)
   Exit: (203) [system] get_char((0x55772f068e50), i)
   Call: (203) [system] i=(\)
   Fail: (203) [system] i=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1094594)
   Call: (204) [system] peek_char((0x55772f068e50), _1095528)
   Exit: (204) [system] peek_char((0x55772f068e50), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1100248, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_1101180, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x55772f068e50), o)
   Exit: (204) [system] get_char((0x55772f068e50), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1108530)
   Call: (205) [system] peek_char((0x55772f068e50), _1109464)
   Exit: (205) [system] peek_char((0x55772f068e50), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1114184, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_1115116, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x55772f068e50), n)
   Exit: (205) [system] get_char((0x55772f068e50), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1122466)
   Call: (206) [system] peek_char((0x55772f068e50), _1123400)
   Exit: (206) [system] peek_char((0x55772f068e50), 'L')
^  Call: (206) [user] is_delimiter('L')
   Call: (207) [system] char_type('L', space)
   Fail: (207) [system] char_type('L', space)
   Call: (207) [system] arg(_1128120, v('(', ')', end_of_file), 'L')
   Fail: (207) [system] arg(_1129052, v('(', ')', end_of_file), 'L')
^  Fail: (206) [user] is_delimiter('L')
   Call: (206) [system] ')'=='L'
   Fail: (206) [system] ')'=='L'
   Call: (206) [system] get_char((0x55772f068e50), 'L')
   Exit: (206) [system] get_char((0x55772f068e50), 'L')
   Call: (206) [system] 'L'=(\)
   Fail: (206) [system] 'L'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1136402)
   Call: (207) [system] peek_char((0x55772f068e50), _1137336)
   Exit: (207) [system] peek_char((0x55772f068e50), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1142056, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_1142988, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x55772f068e50), i)
   Exit: (207) [system] get_char((0x55772f068e50), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1150338)
   Call: (208) [system] peek_char((0x55772f068e50), _1151272)
   Exit: (208) [system] peek_char((0x55772f068e50), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1155992, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1156924, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x55772f068e50), n)
   Exit: (208) [system] get_char((0x55772f068e50), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1164274)
   Call: (209) [system] peek_char((0x55772f068e50), _1165208)
   Exit: (209) [system] peek_char((0x55772f068e50), k)
^  Call: (209) [user] is_delimiter(k)
   Call: (210) [system] char_type(k, space)
   Fail: (210) [system] char_type(k, space)
   Call: (210) [system] arg(_1169928, v('(', ')', end_of_file), k)
   Fail: (210) [system] arg(_1170860, v('(', ')', end_of_file), k)
^  Fail: (209) [user] is_delimiter(k)
   Call: (209) [system] ')'==k
   Fail: (209) [system] ')'==k
   Call: (209) [system] get_char((0x55772f068e50), k)
   Exit: (209) [system] get_char((0x55772f068e50), k)
   Call: (209) [system] k=(\)
   Fail: (209) [system] k=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1178210)
   Call: (210) [system] peek_char((0x55772f068e50), _1179144)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1178210=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (209) [system] _1164274=[k]
   Exit: (209) [system] [k]=[k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (208) [system] _1150338=[n, k]
   Exit: (208) [system] [n, k]=[n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (207) [system] _1136402=[i, n, k]
   Exit: (207) [system] [i, n, k]=[i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (206) [system] _1122466=['L', i, n, k]
   Exit: (206) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (205) [system] _1108530=[n, 'L', i, n, k]
   Exit: (205) [system] [n, 'L', i, n, k]=[n, 'L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'L', i, n, k])
   Call: (204) [system] _1094594=[o, n, 'L', i, n, k]
   Exit: (204) [system] [o, n, 'L', i, n, k]=[o, n, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'L', i, n, k])
   Call: (203) [system] _1080658=[i, o, n, 'L', i, n, k]
   Exit: (203) [system] [i, o, n, 'L', i, n, k]=[i, o, n, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'L', i, n, k])
   Call: (202) [system] _1066722=[t, i, o, n, 'L', i, n, k]
   Exit: (202) [system] [t, i, o, n, 'L', i, n, k]=[t, i, o, n, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'L', i, n, k])
   Call: (201) [system] _1052786=[a, t, i, o, n, 'L', i, n, k]
   Exit: (201) [system] [a, t, i, o, n, 'L', i, n, k]=[a, t, i, o, n, 'L', i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n, 'L', i, n, k])
   Call: (200) [system] _1038850=[c, a, t, i, o, n, 'L', i, n, k]
   Exit: (200) [system] [c, a, t, i, o, n, 'L', i, n, k]=[c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n, 'L', i, n, k])
   Call: (199) [system] _1024914=[i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (199) [system] [i, c, a, t, i, o, n, 'L', i, n, k]=[i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (198) [system] _1010978=[l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (198) [system] [l, i, c, a, t, i, o, n, 'L', i, n, k]=[l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (197) [system] _997042=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (197) [system] [p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (196) [system] _983106=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (196) [system] [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _947596)
^  Call: (196) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1227544)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1228496, _1228498), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1227544), _1228478, fail)), '$restore_trace'(_1228496, _1228498))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1228496, _1228498))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1227544), _1228478, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_1227544)
   Fail: (197) [system] atomic(_1227544)
   Call: (197) [system] atom_chars(_1227544, ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Exit: (197) [system] atom_chars('ImplicationLink', ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Exit: (196) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], 'ImplicationLink')
   Call: (196) [system] integer('ImplicationLink')
   Fail: (196) [system] integer('ImplicationLink')
   Call: (196) [system] _947596='ImplicationLink'
   Exit: (196) [system] 'ImplicationLink'='ImplicationLink'
^  Exit: (195) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], 'ImplicationLink')
^  Exit: (194) [user] read_symbolic(')', (0x55772f068e50), 'I', 'ImplicationLink')
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), 'ImplicationLink')
^  Call: (193) [user] read_list(')', (0x55772f068e50), _1242494)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1244352)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _1253946)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1256650)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1273584)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _1279154)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1281012)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _1297022)
   Exit: (195) [system] get_char((0x55772f068e50), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x55772f068e50), $, _1279154)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1314664)
   Call: (197) [system] peek_char((0x55772f068e50), _1315598)
   Exit: (197) [system] peek_char((0x55772f068e50), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Fail: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_1320318, v('(', ')', end_of_file), p)
   Fail: (198) [system] arg(_1321250, v('(', ')', end_of_file), p)
^  Fail: (197) [user] is_delimiter(p)
   Call: (197) [system] ')'==p
   Fail: (197) [system] ')'==p
   Call: (197) [system] get_char((0x55772f068e50), p)
   Exit: (197) [system] get_char((0x55772f068e50), p)
   Call: (197) [system] p=(\)
   Fail: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1328600)
   Call: (198) [system] peek_char((0x55772f068e50), _1329534)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1328600=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (197) [system] _1314664=[p]
   Exit: (197) [system] [p]=[p]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [p])
^  Call: (196) [user] classify_and_convert_charseq([$, p], _1279154)
^  Call: (197) [user] classify_and_convert_charseq_([$, p], _1341612)
   Call: (198) [system] atom_chars(_1342544, ['_', p])
   Exit: (198) [system] atom_chars('_p', ['_', p])
^  Exit: (197) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (197) [system] integer(_p)
   Fail: (197) [system] integer(_p)
   Call: (197) [system] _1279154=_p
   Exit: (197) [system] _p=_p
^  Exit: (196) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (195) [user] read_symbolic(')', (0x55772f068e50), $, _p)
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), _p)
^  Call: (194) [user] read_list(')', (0x55772f068e50), _1351836)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1353694)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _1363288)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1365992)
   Exit: (197) [system] peek_char((0x55772f068e50), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1382926)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=')'
   Fail: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _1388496)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1390354)
   Exit: (197) [system] peek_char((0x55772f068e50), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _1406364)
   Exit: (196) [system] get_char((0x55772f068e50), $)
   Call: (196) [system] ($)='('
   Fail: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Fail: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Fail: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Fail: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Fail: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Fail: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Fail: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x55772f068e50), $, _1388496)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1424006)
   Call: (198) [system] peek_char((0x55772f068e50), _1424940)
   Exit: (198) [system] peek_char((0x55772f068e50), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Fail: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_1429660, v('(', ')', end_of_file), q)
   Fail: (199) [system] arg(_1430592, v('(', ')', end_of_file), q)
^  Fail: (198) [user] is_delimiter(q)
   Call: (198) [system] ')'==q
   Fail: (198) [system] ')'==q
   Call: (198) [system] get_char((0x55772f068e50), q)
   Exit: (198) [system] get_char((0x55772f068e50), q)
   Call: (198) [system] q=(\)
   Fail: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1437942)
   Call: (199) [system] peek_char((0x55772f068e50), _1438876)
   Exit: (199) [system] peek_char((0x55772f068e50), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1443596, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1437942=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (198) [system] _1424006=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [q])
^  Call: (197) [user] classify_and_convert_charseq([$, q], _1388496)
^  Call: (198) [user] classify_and_convert_charseq_([$, q], _1452826)
   Call: (199) [system] atom_chars(_1453758, ['_', q])
   Exit: (199) [system] atom_chars('_q', ['_', q])
^  Exit: (198) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (198) [system] integer(_q)
   Fail: (198) [system] integer(_q)
   Call: (198) [system] _1388496=_q
   Exit: (198) [system] _q=_q
^  Exit: (197) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x55772f068e50), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), _q)
^  Call: (195) [user] read_list(')', (0x55772f068e50), _1463050)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1464908)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1480918)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x55772f068e50), _1484708)
   Exit: (196) [system] get_char((0x55772f068e50), ')')
   Call: (196) [system] _1463050=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [])
   Call: (195) [system] _1351836=[_q]
   Exit: (195) [system] [_q]=[_q]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [_q])
   Call: (194) [system] _1242494=[_p, _q]
   Exit: (194) [system] [_p, _q]=[_p, _q]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [_p, _q])
   Call: (193) [system] _902578=['ImplicationLink', _p, _q]
   Exit: (193) [system] ['ImplicationLink', _p, _q]=['ImplicationLink', _p, _q]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), ['ImplicationLink', _p, _q])
^  Exit: (191) [user] cont_sexpr(')', (0x55772f068e50), ['ImplicationLink', _p, _q])
^  Call: (191) [user] read_list(')', (0x55772f068e50), _1498590)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1500448)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _1510042)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1512746)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1529680)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _1535250)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1537108)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _1553118)
   Exit: (193) [system] get_char((0x55772f068e50), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x55772f068e50), _1535250)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1558688)
   Exit: (195) [system] peek_char((0x55772f068e50), 'I')
   Call: (195) [system] 'I'=(;)
   Fail: (195) [system] 'I'=(;)
   Call: (195) [system] 'I'=(/)
   Fail: (195) [system] 'I'=(/)
^  Call: (195) [user] is_like_space('I')
   Call: (196) [system] char_type('I', 'white')
   Fail: (196) [system] char_type('I', 'white')
   Call: (196) [system] char_type('I', end_of_line)
   Fail: (196) [system] char_type('I', end_of_line)
   Call: (196) [system] char_type('I', space)
   Fail: (196) [system] char_type('I', space)
   Call: (196) [system] char_type('I', cntrl)
   Fail: (196) [system] char_type('I', cntrl)
^  Fail: (195) [user] is_like_space('I')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1574698)
   Exit: (194) [system] peek_char((0x55772f068e50), 'I')
   Call: (194) [system] 'I'=')'
   Fail: (194) [system] 'I'=')'
   Call: (194) [system] 'I'=end_of_file
   Fail: (194) [system] 'I'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _1580268)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1582126)
   Exit: (196) [system] peek_char((0x55772f068e50), 'I')
   Call: (196) [system] 'I'=(;)
   Fail: (196) [system] 'I'=(;)
   Call: (196) [system] 'I'=(/)
   Fail: (196) [system] 'I'=(/)
^  Call: (196) [user] is_like_space('I')
   Call: (197) [system] char_type('I', 'white')
   Fail: (197) [system] char_type('I', 'white')
   Call: (197) [system] char_type('I', end_of_line)
   Fail: (197) [system] char_type('I', end_of_line)
   Call: (197) [system] char_type('I', space)
   Fail: (197) [system] char_type('I', space)
   Call: (197) [system] char_type('I', cntrl)
   Fail: (197) [system] char_type('I', cntrl)
^  Fail: (196) [user] is_like_space('I')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _1598136)
   Exit: (195) [system] get_char((0x55772f068e50), 'I')
   Call: (195) [system] 'I'='('
   Fail: (195) [system] 'I'='('
   Call: (195) [system] 'I'='['
   Fail: (195) [system] 'I'='['
   Call: (195) [system] 'I'='{'
   Fail: (195) [system] 'I'='{'
   Call: (195) [system] 'I'='"'
   Fail: (195) [system] 'I'='"'
   Call: (195) [system] 'I'=!
   Fail: (195) [system] 'I'=!
   Call: (195) [system] 'I'='\''
   Fail: (195) [system] 'I'='\''
   Call: (195) [system] 'I'='`'
   Fail: (195) [system] 'I'='`'
   Call: (195) [system] 'I'=end_of_file
   Fail: (195) [system] 'I'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x55772f068e50), 'I', _1580268)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1615778)
   Call: (197) [system] peek_char((0x55772f068e50), _1616712)
   Exit: (197) [system] peek_char((0x55772f068e50), m)
^  Call: (197) [user] is_delimiter(m)
   Call: (198) [system] char_type(m, space)
   Fail: (198) [system] char_type(m, space)
   Call: (198) [system] arg(_1621432, v('(', ')', end_of_file), m)
   Fail: (198) [system] arg(_1622364, v('(', ')', end_of_file), m)
^  Fail: (197) [user] is_delimiter(m)
   Call: (197) [system] ')'==m
   Fail: (197) [system] ')'==m
   Call: (197) [system] get_char((0x55772f068e50), m)
   Exit: (197) [system] get_char((0x55772f068e50), m)
   Call: (197) [system] m=(\)
   Fail: (197) [system] m=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1629714)
   Call: (198) [system] peek_char((0x55772f068e50), _1630648)
   Exit: (198) [system] peek_char((0x55772f068e50), p)
^  Call: (198) [user] is_delimiter(p)
   Call: (199) [system] char_type(p, space)
   Fail: (199) [system] char_type(p, space)
   Call: (199) [system] arg(_1635368, v('(', ')', end_of_file), p)
   Fail: (199) [system] arg(_1636300, v('(', ')', end_of_file), p)
^  Fail: (198) [user] is_delimiter(p)
   Call: (198) [system] ')'==p
   Fail: (198) [system] ')'==p
   Call: (198) [system] get_char((0x55772f068e50), p)
   Exit: (198) [system] get_char((0x55772f068e50), p)
   Call: (198) [system] p=(\)
   Fail: (198) [system] p=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1643650)
   Call: (199) [system] peek_char((0x55772f068e50), _1644584)
   Exit: (199) [system] peek_char((0x55772f068e50), l)
^  Call: (199) [user] is_delimiter(l)
   Call: (200) [system] char_type(l, space)
   Fail: (200) [system] char_type(l, space)
   Call: (200) [system] arg(_1649304, v('(', ')', end_of_file), l)
   Fail: (200) [system] arg(_1650236, v('(', ')', end_of_file), l)
^  Fail: (199) [user] is_delimiter(l)
   Call: (199) [system] ')'==l
   Fail: (199) [system] ')'==l
   Call: (199) [system] get_char((0x55772f068e50), l)
   Exit: (199) [system] get_char((0x55772f068e50), l)
   Call: (199) [system] l=(\)
   Fail: (199) [system] l=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1657586)
   Call: (200) [system] peek_char((0x55772f068e50), _1658520)
   Exit: (200) [system] peek_char((0x55772f068e50), i)
^  Call: (200) [user] is_delimiter(i)
   Call: (201) [system] char_type(i, space)
   Fail: (201) [system] char_type(i, space)
   Call: (201) [system] arg(_1663240, v('(', ')', end_of_file), i)
   Fail: (201) [system] arg(_1664172, v('(', ')', end_of_file), i)
^  Fail: (200) [user] is_delimiter(i)
   Call: (200) [system] ')'==i
   Fail: (200) [system] ')'==i
   Call: (200) [system] get_char((0x55772f068e50), i)
   Exit: (200) [system] get_char((0x55772f068e50), i)
   Call: (200) [system] i=(\)
   Fail: (200) [system] i=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1671522)
   Call: (201) [system] peek_char((0x55772f068e50), _1672456)
   Exit: (201) [system] peek_char((0x55772f068e50), c)
^  Call: (201) [user] is_delimiter(c)
   Call: (202) [system] char_type(c, space)
   Fail: (202) [system] char_type(c, space)
   Call: (202) [system] arg(_1677176, v('(', ')', end_of_file), c)
   Fail: (202) [system] arg(_1678108, v('(', ')', end_of_file), c)
^  Fail: (201) [user] is_delimiter(c)
   Call: (201) [system] ')'==c
   Fail: (201) [system] ')'==c
   Call: (201) [system] get_char((0x55772f068e50), c)
   Exit: (201) [system] get_char((0x55772f068e50), c)
   Call: (201) [system] c=(\)
   Fail: (201) [system] c=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1685458)
   Call: (202) [system] peek_char((0x55772f068e50), _1686392)
   Exit: (202) [system] peek_char((0x55772f068e50), a)
^  Call: (202) [user] is_delimiter(a)
   Call: (203) [system] char_type(a, space)
   Fail: (203) [system] char_type(a, space)
   Call: (203) [system] arg(_1691112, v('(', ')', end_of_file), a)
   Fail: (203) [system] arg(_1692044, v('(', ')', end_of_file), a)
^  Fail: (202) [user] is_delimiter(a)
   Call: (202) [system] ')'==a
   Fail: (202) [system] ')'==a
   Call: (202) [system] get_char((0x55772f068e50), a)
   Exit: (202) [system] get_char((0x55772f068e50), a)
   Call: (202) [system] a=(\)
   Fail: (202) [system] a=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1699394)
   Call: (203) [system] peek_char((0x55772f068e50), _1700328)
   Exit: (203) [system] peek_char((0x55772f068e50), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Fail: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_1705048, v('(', ')', end_of_file), t)
   Fail: (204) [system] arg(_1705980, v('(', ')', end_of_file), t)
^  Fail: (203) [user] is_delimiter(t)
   Call: (203) [system] ')'==t
   Fail: (203) [system] ')'==t
   Call: (203) [system] get_char((0x55772f068e50), t)
   Exit: (203) [system] get_char((0x55772f068e50), t)
   Call: (203) [system] t=(\)
   Fail: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1713330)
   Call: (204) [system] peek_char((0x55772f068e50), _1714264)
   Exit: (204) [system] peek_char((0x55772f068e50), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_1718984, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_1719916, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x55772f068e50), i)
   Exit: (204) [system] get_char((0x55772f068e50), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1727266)
   Call: (205) [system] peek_char((0x55772f068e50), _1728200)
   Exit: (205) [system] peek_char((0x55772f068e50), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1732920, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_1733852, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x55772f068e50), o)
   Exit: (205) [system] get_char((0x55772f068e50), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1741202)
   Call: (206) [system] peek_char((0x55772f068e50), _1742136)
   Exit: (206) [system] peek_char((0x55772f068e50), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Fail: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_1746856, v('(', ')', end_of_file), n)
   Fail: (207) [system] arg(_1747788, v('(', ')', end_of_file), n)
^  Fail: (206) [user] is_delimiter(n)
   Call: (206) [system] ')'==n
   Fail: (206) [system] ')'==n
   Call: (206) [system] get_char((0x55772f068e50), n)
   Exit: (206) [system] get_char((0x55772f068e50), n)
   Call: (206) [system] n=(\)
   Fail: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1755138)
   Call: (207) [system] peek_char((0x55772f068e50), _1756072)
   Exit: (207) [system] peek_char((0x55772f068e50), 'L')
^  Call: (207) [user] is_delimiter('L')
   Call: (208) [system] char_type('L', space)
   Fail: (208) [system] char_type('L', space)
   Call: (208) [system] arg(_1760792, v('(', ')', end_of_file), 'L')
   Fail: (208) [system] arg(_1761724, v('(', ')', end_of_file), 'L')
^  Fail: (207) [user] is_delimiter('L')
   Call: (207) [system] ')'=='L'
   Fail: (207) [system] ')'=='L'
   Call: (207) [system] get_char((0x55772f068e50), 'L')
   Exit: (207) [system] get_char((0x55772f068e50), 'L')
   Call: (207) [system] 'L'=(\)
   Fail: (207) [system] 'L'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1769074)
   Call: (208) [system] peek_char((0x55772f068e50), _1770008)
   Exit: (208) [system] peek_char((0x55772f068e50), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1774728, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1775660, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x55772f068e50), i)
   Exit: (208) [system] get_char((0x55772f068e50), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1783010)
   Call: (209) [system] peek_char((0x55772f068e50), _1783944)
   Exit: (209) [system] peek_char((0x55772f068e50), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_1788664, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_1789596, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x55772f068e50), n)
   Exit: (209) [system] get_char((0x55772f068e50), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1796946)
   Call: (210) [system] peek_char((0x55772f068e50), _1797880)
   Exit: (210) [system] peek_char((0x55772f068e50), k)
^  Call: (210) [user] is_delimiter(k)
   Call: (211) [system] char_type(k, space)
   Fail: (211) [system] char_type(k, space)
   Call: (211) [system] arg(_1802600, v('(', ')', end_of_file), k)
   Fail: (211) [system] arg(_1803532, v('(', ')', end_of_file), k)
^  Fail: (210) [user] is_delimiter(k)
   Call: (210) [system] ')'==k
   Fail: (210) [system] ')'==k
   Call: (210) [system] get_char((0x55772f068e50), k)
   Exit: (210) [system] get_char((0x55772f068e50), k)
   Call: (210) [system] k=(\)
   Fail: (210) [system] k=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1810882)
   Call: (211) [system] peek_char((0x55772f068e50), _1811816)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1810882=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (210) [system] _1796946=[k]
   Exit: (210) [system] [k]=[k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (209) [system] _1783010=[n, k]
   Exit: (209) [system] [n, k]=[n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (208) [system] _1769074=[i, n, k]
   Exit: (208) [system] [i, n, k]=[i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (207) [system] _1755138=['L', i, n, k]
   Exit: (207) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (206) [system] _1741202=[n, 'L', i, n, k]
   Exit: (206) [system] [n, 'L', i, n, k]=[n, 'L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'L', i, n, k])
   Call: (205) [system] _1727266=[o, n, 'L', i, n, k]
   Exit: (205) [system] [o, n, 'L', i, n, k]=[o, n, 'L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'L', i, n, k])
   Call: (204) [system] _1713330=[i, o, n, 'L', i, n, k]
   Exit: (204) [system] [i, o, n, 'L', i, n, k]=[i, o, n, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'L', i, n, k])
   Call: (203) [system] _1699394=[t, i, o, n, 'L', i, n, k]
   Exit: (203) [system] [t, i, o, n, 'L', i, n, k]=[t, i, o, n, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'L', i, n, k])
   Call: (202) [system] _1685458=[a, t, i, o, n, 'L', i, n, k]
   Exit: (202) [system] [a, t, i, o, n, 'L', i, n, k]=[a, t, i, o, n, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n, 'L', i, n, k])
   Call: (201) [system] _1671522=[c, a, t, i, o, n, 'L', i, n, k]
   Exit: (201) [system] [c, a, t, i, o, n, 'L', i, n, k]=[c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n, 'L', i, n, k])
   Call: (200) [system] _1657586=[i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (200) [system] [i, c, a, t, i, o, n, 'L', i, n, k]=[i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (199) [system] _1643650=[l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (199) [system] [l, i, c, a, t, i, o, n, 'L', i, n, k]=[l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (198) [system] _1629714=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (198) [system] [p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (197) [system] _1615778=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (197) [system] [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Call: (196) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1580268)
^  Call: (197) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1860216)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1861168, _1861170), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1860216), _1861150, fail)), '$restore_trace'(_1861168, _1861170))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1861168, _1861170))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1860216), _1861150, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_1860216)
   Fail: (198) [system] atomic(_1860216)
   Call: (198) [system] atom_chars(_1860216, ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Exit: (198) [system] atom_chars('ImplicationLink', ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Exit: (197) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], 'ImplicationLink')
   Call: (197) [system] integer('ImplicationLink')
   Fail: (197) [system] integer('ImplicationLink')
   Call: (197) [system] _1580268='ImplicationLink'
   Exit: (197) [system] 'ImplicationLink'='ImplicationLink'
^  Exit: (196) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], 'ImplicationLink')
^  Exit: (195) [user] read_symbolic(')', (0x55772f068e50), 'I', 'ImplicationLink')
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), 'ImplicationLink')
^  Call: (194) [user] read_list(')', (0x55772f068e50), _1875166)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1877024)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _1886618)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1889322)
   Exit: (197) [system] peek_char((0x55772f068e50), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1906256)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=')'
   Fail: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _1911826)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1913684)
   Exit: (197) [system] peek_char((0x55772f068e50), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _1929694)
   Exit: (196) [system] get_char((0x55772f068e50), $)
   Call: (196) [system] ($)='('
   Fail: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Fail: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Fail: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Fail: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Fail: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Fail: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Fail: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x55772f068e50), $, _1911826)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1947336)
   Call: (198) [system] peek_char((0x55772f068e50), _1948270)
   Exit: (198) [system] peek_char((0x55772f068e50), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Fail: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_1952990, v('(', ')', end_of_file), q)
   Fail: (199) [system] arg(_1953922, v('(', ')', end_of_file), q)
^  Fail: (198) [user] is_delimiter(q)
   Call: (198) [system] ')'==q
   Fail: (198) [system] ')'==q
   Call: (198) [system] get_char((0x55772f068e50), q)
   Exit: (198) [system] get_char((0x55772f068e50), q)
   Call: (198) [system] q=(\)
   Fail: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1961272)
   Call: (199) [system] peek_char((0x55772f068e50), _1962206)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _1961272=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (198) [system] _1947336=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [q])
^  Call: (197) [user] classify_and_convert_charseq([$, q], _1911826)
^  Call: (198) [user] classify_and_convert_charseq_([$, q], _1974284)
   Call: (199) [system] atom_chars(_1975216, ['_', q])
   Exit: (199) [system] atom_chars('_q', ['_', q])
^  Exit: (198) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (198) [system] integer(_q)
   Fail: (198) [system] integer(_q)
   Call: (198) [system] _1911826=_q
   Exit: (198) [system] _q=_q
^  Exit: (197) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x55772f068e50), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), _q)
^  Call: (195) [user] read_list(')', (0x55772f068e50), _1984508)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1986366)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _1995960)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1998664)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _2015598)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _2021168)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _2023026)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _2039036)
   Exit: (197) [system] get_char((0x55772f068e50), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x55772f068e50), $, _2021168)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _2056678)
   Call: (199) [system] peek_char((0x55772f068e50), _2057612)
   Exit: (199) [system] peek_char((0x55772f068e50), r)
^  Call: (199) [user] is_delimiter(r)
   Call: (200) [system] char_type(r, space)
   Fail: (200) [system] char_type(r, space)
   Call: (200) [system] arg(_2062332, v('(', ')', end_of_file), r)
   Fail: (200) [system] arg(_2063264, v('(', ')', end_of_file), r)
^  Fail: (199) [user] is_delimiter(r)
   Call: (199) [system] ')'==r
   Fail: (199) [system] ')'==r
   Call: (199) [system] get_char((0x55772f068e50), r)
   Exit: (199) [system] get_char((0x55772f068e50), r)
   Call: (199) [system] r=(\)
   Fail: (199) [system] r=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _2070614)
   Call: (200) [system] peek_char((0x55772f068e50), _2071548)
   Exit: (200) [system] peek_char((0x55772f068e50), ')')
^  Call: (200) [user] is_delimiter(')')
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] arg(_2076268, v('(', ')', end_of_file), ')')
   Exit: (201) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (200) [user] is_delimiter(')')
   Call: (200) [system] _2070614=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (199) [system] _2056678=[r]
   Exit: (199) [system] [r]=[r]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [r])
^  Call: (198) [user] classify_and_convert_charseq([$, r], _2021168)
^  Call: (199) [user] classify_and_convert_charseq_([$, r], _2085498)
   Call: (200) [system] atom_chars(_2086430, ['_', r])
   Exit: (200) [system] atom_chars('_r', ['_', r])
^  Exit: (199) [user] classify_and_convert_charseq_([$, r], _r)
   Call: (199) [system] integer(_r)
   Fail: (199) [system] integer(_r)
   Call: (199) [system] _2021168=_r
   Exit: (199) [system] _r=_r
^  Exit: (198) [user] classify_and_convert_charseq([$, r], _r)
^  Exit: (197) [user] read_symbolic(')', (0x55772f068e50), $, _r)
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), _r)
^  Call: (196) [user] read_list(')', (0x55772f068e50), _2095722)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _4216)
   Exit: (198) [system] peek_char((0x55772f068e50), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _20226)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x55772f068e50), _24016)
   Exit: (197) [system] get_char((0x55772f068e50), ')')
   Call: (197) [system] _3468=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [])
   Call: (196) [system] _3458=[_r]
   Exit: (196) [system] [_r]=[_r]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [_r])
   Call: (195) [system] _3448=[_q, _r]
   Exit: (195) [system] [_q, _r]=[_q, _r]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [_q, _r])
   Call: (194) [system] _3440=['ImplicationLink', _q, _r]
   Exit: (194) [system] ['ImplicationLink', _q, _r]=['ImplicationLink', _q, _r]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), ['ImplicationLink', _q, _r])
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), ['ImplicationLink', _q, _r])
^  Call: (192) [user] read_list(')', (0x55772f068e50), _37898)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _39756)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _49350)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _52054)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _68988)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _74558)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _76416)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _92426)
   Exit: (194) [system] get_char((0x55772f068e50), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x55772f068e50), _74558)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _97996)
   Exit: (196) [system] peek_char((0x55772f068e50), 'I')
   Call: (196) [system] 'I'=(;)
   Fail: (196) [system] 'I'=(;)
   Call: (196) [system] 'I'=(/)
   Fail: (196) [system] 'I'=(/)
^  Call: (196) [user] is_like_space('I')
   Call: (197) [system] char_type('I', 'white')
   Fail: (197) [system] char_type('I', 'white')
   Call: (197) [system] char_type('I', end_of_line)
   Fail: (197) [system] char_type('I', end_of_line)
   Call: (197) [system] char_type('I', space)
   Fail: (197) [system] char_type('I', space)
   Call: (197) [system] char_type('I', cntrl)
   Fail: (197) [system] char_type('I', cntrl)
^  Fail: (196) [user] is_like_space('I')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _114006)
   Exit: (195) [system] peek_char((0x55772f068e50), 'I')
   Call: (195) [system] 'I'=')'
   Fail: (195) [system] 'I'=')'
   Call: (195) [system] 'I'=end_of_file
   Fail: (195) [system] 'I'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _119576)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _121434)
   Exit: (197) [system] peek_char((0x55772f068e50), 'I')
   Call: (197) [system] 'I'=(;)
   Fail: (197) [system] 'I'=(;)
   Call: (197) [system] 'I'=(/)
   Fail: (197) [system] 'I'=(/)
^  Call: (197) [user] is_like_space('I')
   Call: (198) [system] char_type('I', 'white')
   Fail: (198) [system] char_type('I', 'white')
   Call: (198) [system] char_type('I', end_of_line)
   Fail: (198) [system] char_type('I', end_of_line)
   Call: (198) [system] char_type('I', space)
   Fail: (198) [system] char_type('I', space)
   Call: (198) [system] char_type('I', cntrl)
   Fail: (198) [system] char_type('I', cntrl)
^  Fail: (197) [user] is_like_space('I')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _137444)
   Exit: (196) [system] get_char((0x55772f068e50), 'I')
   Call: (196) [system] 'I'='('
   Fail: (196) [system] 'I'='('
   Call: (196) [system] 'I'='['
   Fail: (196) [system] 'I'='['
   Call: (196) [system] 'I'='{'
   Fail: (196) [system] 'I'='{'
   Call: (196) [system] 'I'='"'
   Fail: (196) [system] 'I'='"'
   Call: (196) [system] 'I'=!
   Fail: (196) [system] 'I'=!
   Call: (196) [system] 'I'='\''
   Fail: (196) [system] 'I'='\''
   Call: (196) [system] 'I'='`'
   Fail: (196) [system] 'I'='`'
   Call: (196) [system] 'I'=end_of_file
   Fail: (196) [system] 'I'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x55772f068e50), 'I', _119576)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _155086)
   Call: (198) [system] peek_char((0x55772f068e50), _156020)
   Exit: (198) [system] peek_char((0x55772f068e50), m)
^  Call: (198) [user] is_delimiter(m)
   Call: (199) [system] char_type(m, space)
   Fail: (199) [system] char_type(m, space)
   Call: (199) [system] arg(_160740, v('(', ')', end_of_file), m)
   Fail: (199) [system] arg(_161672, v('(', ')', end_of_file), m)
^  Fail: (198) [user] is_delimiter(m)
   Call: (198) [system] ')'==m
   Fail: (198) [system] ')'==m
   Call: (198) [system] get_char((0x55772f068e50), m)
   Exit: (198) [system] get_char((0x55772f068e50), m)
   Call: (198) [system] m=(\)
   Fail: (198) [system] m=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _169022)
   Call: (199) [system] peek_char((0x55772f068e50), _169956)
   Exit: (199) [system] peek_char((0x55772f068e50), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_174676, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_175608, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x55772f068e50), p)
   Exit: (199) [system] get_char((0x55772f068e50), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _182958)
   Call: (200) [system] peek_char((0x55772f068e50), _183892)
   Exit: (200) [system] peek_char((0x55772f068e50), l)
^  Call: (200) [user] is_delimiter(l)
   Call: (201) [system] char_type(l, space)
   Fail: (201) [system] char_type(l, space)
   Call: (201) [system] arg(_188612, v('(', ')', end_of_file), l)
   Fail: (201) [system] arg(_189544, v('(', ')', end_of_file), l)
^  Fail: (200) [user] is_delimiter(l)
   Call: (200) [system] ')'==l
   Fail: (200) [system] ')'==l
   Call: (200) [system] get_char((0x55772f068e50), l)
   Exit: (200) [system] get_char((0x55772f068e50), l)
   Call: (200) [system] l=(\)
   Fail: (200) [system] l=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _196894)
   Call: (201) [system] peek_char((0x55772f068e50), _197828)
   Exit: (201) [system] peek_char((0x55772f068e50), i)
^  Call: (201) [user] is_delimiter(i)
   Call: (202) [system] char_type(i, space)
   Fail: (202) [system] char_type(i, space)
   Call: (202) [system] arg(_202548, v('(', ')', end_of_file), i)
   Fail: (202) [system] arg(_203480, v('(', ')', end_of_file), i)
^  Fail: (201) [user] is_delimiter(i)
   Call: (201) [system] ')'==i
   Fail: (201) [system] ')'==i
   Call: (201) [system] get_char((0x55772f068e50), i)
   Exit: (201) [system] get_char((0x55772f068e50), i)
   Call: (201) [system] i=(\)
   Fail: (201) [system] i=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _210830)
   Call: (202) [system] peek_char((0x55772f068e50), _211764)
   Exit: (202) [system] peek_char((0x55772f068e50), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_216484, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_217416, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x55772f068e50), c)
   Exit: (202) [system] get_char((0x55772f068e50), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _224766)
   Call: (203) [system] peek_char((0x55772f068e50), _225700)
   Exit: (203) [system] peek_char((0x55772f068e50), a)
^  Call: (203) [user] is_delimiter(a)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] arg(_230420, v('(', ')', end_of_file), a)
   Fail: (204) [system] arg(_231352, v('(', ')', end_of_file), a)
^  Fail: (203) [user] is_delimiter(a)
   Call: (203) [system] ')'==a
   Fail: (203) [system] ')'==a
   Call: (203) [system] get_char((0x55772f068e50), a)
   Exit: (203) [system] get_char((0x55772f068e50), a)
   Call: (203) [system] a=(\)
   Fail: (203) [system] a=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _238702)
   Call: (204) [system] peek_char((0x55772f068e50), _239636)
   Exit: (204) [system] peek_char((0x55772f068e50), t)
^  Call: (204) [user] is_delimiter(t)
   Call: (205) [system] char_type(t, space)
   Fail: (205) [system] char_type(t, space)
   Call: (205) [system] arg(_244356, v('(', ')', end_of_file), t)
   Fail: (205) [system] arg(_245288, v('(', ')', end_of_file), t)
^  Fail: (204) [user] is_delimiter(t)
   Call: (204) [system] ')'==t
   Fail: (204) [system] ')'==t
   Call: (204) [system] get_char((0x55772f068e50), t)
   Exit: (204) [system] get_char((0x55772f068e50), t)
   Call: (204) [system] t=(\)
   Fail: (204) [system] t=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _252638)
   Call: (205) [system] peek_char((0x55772f068e50), _253572)
   Exit: (205) [system] peek_char((0x55772f068e50), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_258292, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_259224, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x55772f068e50), i)
   Exit: (205) [system] get_char((0x55772f068e50), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _266574)
   Call: (206) [system] peek_char((0x55772f068e50), _267508)
   Exit: (206) [system] peek_char((0x55772f068e50), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_272228, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_273160, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x55772f068e50), o)
   Exit: (206) [system] get_char((0x55772f068e50), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _280510)
   Call: (207) [system] peek_char((0x55772f068e50), _281444)
   Exit: (207) [system] peek_char((0x55772f068e50), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_286164, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_287096, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x55772f068e50), n)
   Exit: (207) [system] get_char((0x55772f068e50), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _294446)
   Call: (208) [system] peek_char((0x55772f068e50), _295380)
   Exit: (208) [system] peek_char((0x55772f068e50), 'L')
^  Call: (208) [user] is_delimiter('L')
   Call: (209) [system] char_type('L', space)
   Fail: (209) [system] char_type('L', space)
   Call: (209) [system] arg(_300100, v('(', ')', end_of_file), 'L')
   Fail: (209) [system] arg(_301032, v('(', ')', end_of_file), 'L')
^  Fail: (208) [user] is_delimiter('L')
   Call: (208) [system] ')'=='L'
   Fail: (208) [system] ')'=='L'
   Call: (208) [system] get_char((0x55772f068e50), 'L')
   Exit: (208) [system] get_char((0x55772f068e50), 'L')
   Call: (208) [system] 'L'=(\)
   Fail: (208) [system] 'L'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _308382)
   Call: (209) [system] peek_char((0x55772f068e50), _309316)
   Exit: (209) [system] peek_char((0x55772f068e50), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_314036, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_314968, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x55772f068e50), i)
   Exit: (209) [system] get_char((0x55772f068e50), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _322318)
   Call: (210) [system] peek_char((0x55772f068e50), _323252)
   Exit: (210) [system] peek_char((0x55772f068e50), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_327972, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_328904, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x55772f068e50), n)
   Exit: (210) [system] get_char((0x55772f068e50), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _336254)
   Call: (211) [system] peek_char((0x55772f068e50), _337188)
   Exit: (211) [system] peek_char((0x55772f068e50), k)
^  Call: (211) [user] is_delimiter(k)
   Call: (212) [system] char_type(k, space)
   Fail: (212) [system] char_type(k, space)
   Call: (212) [system] arg(_341908, v('(', ')', end_of_file), k)
   Fail: (212) [system] arg(_342840, v('(', ')', end_of_file), k)
^  Fail: (211) [user] is_delimiter(k)
   Call: (211) [system] ')'==k
   Fail: (211) [system] ')'==k
   Call: (211) [system] get_char((0x55772f068e50), k)
   Exit: (211) [system] get_char((0x55772f068e50), k)
   Call: (211) [system] k=(\)
   Fail: (211) [system] k=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _350190)
   Call: (212) [system] peek_char((0x55772f068e50), _351124)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _350190=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (211) [system] _336254=[k]
   Exit: (211) [system] [k]=[k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (210) [system] _322318=[n, k]
   Exit: (210) [system] [n, k]=[n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (209) [system] _308382=[i, n, k]
   Exit: (209) [system] [i, n, k]=[i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (208) [system] _294446=['L', i, n, k]
   Exit: (208) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (207) [system] _280510=[n, 'L', i, n, k]
   Exit: (207) [system] [n, 'L', i, n, k]=[n, 'L', i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'L', i, n, k])
   Call: (206) [system] _266574=[o, n, 'L', i, n, k]
   Exit: (206) [system] [o, n, 'L', i, n, k]=[o, n, 'L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'L', i, n, k])
   Call: (205) [system] _252638=[i, o, n, 'L', i, n, k]
   Exit: (205) [system] [i, o, n, 'L', i, n, k]=[i, o, n, 'L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'L', i, n, k])
   Call: (204) [system] _238702=[t, i, o, n, 'L', i, n, k]
   Exit: (204) [system] [t, i, o, n, 'L', i, n, k]=[t, i, o, n, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'L', i, n, k])
   Call: (203) [system] _224766=[a, t, i, o, n, 'L', i, n, k]
   Exit: (203) [system] [a, t, i, o, n, 'L', i, n, k]=[a, t, i, o, n, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n, 'L', i, n, k])
   Call: (202) [system] _210830=[c, a, t, i, o, n, 'L', i, n, k]
   Exit: (202) [system] [c, a, t, i, o, n, 'L', i, n, k]=[c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n, 'L', i, n, k])
   Call: (201) [system] _196894=[i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (201) [system] [i, c, a, t, i, o, n, 'L', i, n, k]=[i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (200) [system] _182958=[l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (200) [system] [l, i, c, a, t, i, o, n, 'L', i, n, k]=[l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (199) [system] _169022=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (199) [system] [p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (198) [system] _155086=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (198) [system] [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Call: (197) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _119576)
^  Call: (198) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _399524)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_400476, _400478), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _399524), _400458, fail)), '$restore_trace'(_400476, _400478))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_400476, _400478))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _399524), _400458, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(_399524)
   Fail: (199) [system] atomic(_399524)
   Call: (199) [system] atom_chars(_399524, ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Exit: (199) [system] atom_chars('ImplicationLink', ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Exit: (198) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], 'ImplicationLink')
   Call: (198) [system] integer('ImplicationLink')
   Fail: (198) [system] integer('ImplicationLink')
   Call: (198) [system] _119576='ImplicationLink'
   Exit: (198) [system] 'ImplicationLink'='ImplicationLink'
^  Exit: (197) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], 'ImplicationLink')
^  Exit: (196) [user] read_symbolic(')', (0x55772f068e50), 'I', 'ImplicationLink')
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), 'ImplicationLink')
^  Call: (195) [user] read_list(')', (0x55772f068e50), _414474)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _416332)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _425926)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _428630)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _445564)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _451134)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _452992)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _469002)
   Exit: (197) [system] get_char((0x55772f068e50), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x55772f068e50), $, _451134)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _486644)
   Call: (199) [system] peek_char((0x55772f068e50), _487578)
   Exit: (199) [system] peek_char((0x55772f068e50), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_492298, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_493230, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x55772f068e50), p)
   Exit: (199) [system] get_char((0x55772f068e50), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _500580)
   Call: (200) [system] peek_char((0x55772f068e50), _501514)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _500580=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (199) [system] _486644=[p]
   Exit: (199) [system] [p]=[p]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [p])
^  Call: (198) [user] classify_and_convert_charseq([$, p], _451134)
^  Call: (199) [user] classify_and_convert_charseq_([$, p], _513592)
   Call: (200) [system] atom_chars(_514524, ['_', p])
   Exit: (200) [system] atom_chars('_p', ['_', p])
^  Exit: (199) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (199) [system] integer(_p)
   Fail: (199) [system] integer(_p)
   Call: (199) [system] _451134=_p
   Exit: (199) [system] _p=_p
^  Exit: (198) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (197) [user] read_symbolic(')', (0x55772f068e50), $, _p)
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), _p)
^  Call: (196) [user] read_list(')', (0x55772f068e50), _523816)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _525674)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _535268)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _537972)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _554906)
   Exit: (197) [system] peek_char((0x55772f068e50), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _560476)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _562334)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _578344)
   Exit: (198) [system] get_char((0x55772f068e50), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x55772f068e50), $, _560476)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _595986)
   Call: (200) [system] peek_char((0x55772f068e50), _596920)
   Exit: (200) [system] peek_char((0x55772f068e50), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_601640, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_602572, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x55772f068e50), r)
   Exit: (200) [system] get_char((0x55772f068e50), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _609922)
   Call: (201) [system] peek_char((0x55772f068e50), _610856)
   Exit: (201) [system] peek_char((0x55772f068e50), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_615576, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _609922=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (200) [system] _595986=[r]
   Exit: (200) [system] [r]=[r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [r])
^  Call: (199) [user] classify_and_convert_charseq([$, r], _560476)
^  Call: (200) [user] classify_and_convert_charseq_([$, r], _624806)
   Call: (201) [system] atom_chars(_625738, ['_', r])
   Exit: (201) [system] atom_chars('_r', ['_', r])
^  Exit: (200) [user] classify_and_convert_charseq_([$, r], _r)
   Call: (200) [system] integer(_r)
   Fail: (200) [system] integer(_r)
   Call: (200) [system] _560476=_r
   Exit: (200) [system] _r=_r
^  Exit: (199) [user] classify_and_convert_charseq([$, r], _r)
^  Exit: (198) [user] read_symbolic(')', (0x55772f068e50), $, _r)
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), _r)
^  Call: (197) [user] read_list(')', (0x55772f068e50), _635030)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _636888)
   Exit: (199) [system] peek_char((0x55772f068e50), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _652898)
   Exit: (198) [system] peek_char((0x55772f068e50), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x55772f068e50), _656688)
   Exit: (198) [system] get_char((0x55772f068e50), ')')
   Call: (198) [system] _635030=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [])
   Call: (197) [system] _523816=[_r]
   Exit: (197) [system] [_r]=[_r]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [_r])
   Call: (196) [system] _414474=[_p, _r]
   Exit: (196) [system] [_p, _r]=[_p, _r]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [_p, _r])
   Call: (195) [system] _74558=['ImplicationLink', _p, _r]
   Exit: (195) [system] ['ImplicationLink', _p, _r]=['ImplicationLink', _p, _r]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), ['ImplicationLink', _p, _r])
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), ['ImplicationLink', _p, _r])
^  Call: (193) [user] read_list(')', (0x55772f068e50), _670570)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _672428)
   Exit: (195) [system] peek_char((0x55772f068e50), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _688438)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x55772f068e50), _692228)
   Exit: (194) [system] get_char((0x55772f068e50), ')')
   Call: (194) [system] _670570=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [])
   Call: (193) [system] _37898=[['ImplicationLink', _p, _r]]
   Exit: (193) [system] [['ImplicationLink', _p, _r]]=[['ImplicationLink', _p, _r]]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [['ImplicationLink', _p, _r]])
   Call: (192) [system] _3436=[['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]
   Exit: (192) [system] [['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]=[['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]])
   Call: (191) [system] _3404=[['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]
   Exit: (191) [system] [['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]=[['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]
^  Exit: (190) [user] read_list(')', (0x55772f068e50), [['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]])
   Call: (190) [system] _3396=[->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]
   Exit: (190) [system] [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]=[->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]
^  Exit: (189) [user] read_list(')', (0x55772f068e50), [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]])
^  Exit: (188) [user] cont_sexpr(')', (0x55772f068e50), [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]])
^  Call: (188) [user] read_list(')', (0x55772f068e50), _708904)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _710762)
   Exit: (190) [system] peek_char((0x55772f068e50), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _726772)
   Exit: (189) [system] peek_char((0x55772f068e50), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x55772f068e50), _730562)
   Exit: (189) [system] get_char((0x55772f068e50), ')')
   Call: (189) [system] _708904=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [])
   Call: (188) [system] _3392=[[->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]
   Exit: (188) [system] [[->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]=[[->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]
^  Exit: (187) [user] read_list(')', (0x55772f068e50), [[->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]])
   Call: (187) [system] _3386=['Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]
   Exit: (187) [system] ['Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]=['Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]
^  Exit: (186) [user] read_list(')', (0x55772f068e50), ['Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]])
   Call: (186) [system] _3378=[:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]
   Exit: (186) [system] [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]=[:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]])
^  Exit: (184) [user] cont_sexpr(')', (0x55772f068e50), [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]])
^  Call: (184) [user] read_list(')', (0x55772f068e50), _744444)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _746302)
   Exit: (186) [system] peek_char((0x55772f068e50), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _762312)
   Exit: (185) [system] peek_char((0x55772f068e50), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x55772f068e50), _766102)
   Exit: (185) [system] get_char((0x55772f068e50), ')')
   Call: (185) [system] _744444=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [])
   Call: (184) [system] _3374=[[:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]
   Exit: (184) [system] [[:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]=[[:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]
^  Exit: (183) [user] read_list(')', (0x55772f068e50), [[:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]])
   Call: (183) [system] _3362=[[rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]
   Exit: (183) [system] [[rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]=[[rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]
^  Exit: (182) [user] read_list(')', (0x55772f068e50), [[rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]])
   Call: (182) [system] _3322=[=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]
   Exit: (182) [system] [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]=[=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]
^  Exit: (181) [user] read_list(')', (0x55772f068e50), [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]])
^  Exit: (180) [user] cont_sexpr(')', (0x55772f068e50), [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]])
^  Exit: (179) [user] read_sexpr((0x55772f068e50), [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]])
^  Call: (179) [user] assertz(metta_file_comment(111, 0, 4426, [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]], '$stream_position'(4426, 111, 0, 4426)))
^  Exit: (179) [user] assertz(metta_file_comment(111, 0, 4426, [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]], '$stream_position'(4426, 111, 0, 4426)))
^  Exit: (177) [system] once(user:(read_position((0x55772f068e50), 111, 0, 4426, '$stream_position'(4426, 111, 0, 4426)), read_sexpr((0x55772f068e50), [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]), assertz(metta_file_comment(111, 0, 4426, [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]], '$stream_position'(4426, 111, 0, 4426)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_784620, _784622, _784624, _784626, _784628))
^  Exit: (177) [user] retract(metta_file_comment(51, 0, 1691, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], '$stream_position'(1691, 51, 0, 1691)))
^  Call: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _3084)
^  Call: (178) [user] once(call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _787544))
^  Call: (179) [user] call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _787544)
^  Call: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _787544)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _790360))
^  Call: (182) [user] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _790360))
^  Call: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _790360)
^  Call: (184) [user] once(call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _793160))
^  Call: (185) [user] call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _793160)
^  Call: (186) [user] mfix_vars1([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _793160)
   Call: (187) [system] var([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Call: (187) [system] atom([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]==true
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]==false
   Call: (187) [system] (=)=='['
   Call: (187) [system] (=)=='{'
   Call: (187) [system] is_list([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Exit: (187) [system] is_list([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Call: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _803382)
   Call: (188) [lists] lists:last_([[let, _query, [_kb], _query]], [synthesize, _query, _kb, _rb, _depth], _803382)
   Call: (189) [lists] lists:last_([], [let, _query, [_kb], _query], _803382)
   Exit: (189) [lists] lists:last_([], [let, _query, [_kb], _query], [let, _query, [_kb], _query])
   Exit: (188) [lists] lists:last_([[let, _query, [_kb], _query]], [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query])
   Exit: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [let, _query, [_kb], _query])
   Call: (187) [system] [let, _query, [_kb], _query]=='}'
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]==[_809898, _809904]
   Call: (187) [system] fail
   Call: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Exit: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Call: (187) [user] apply:maplist(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _793160)
   Call: (188) [apply] apply:maplist_([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _793160, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(=, _815478)
   Call: (190) [system] var(=)
   Call: (190) [system] atom(=)
   Exit: (190) [system] atom(=)
^  Call: (190) [user] symbol_concat($, _819186, =)
   Call: (191) [system] atom_concat($, _819186, =)
   Fail: (191) [system] atom_concat($, _819186, =)
^  Fail: (190) [user] symbol_concat($, _819186, =)
   Call: (190) [system] (=)==true
   Call: (190) [system] (=)==false
   Call: (190) [system] (=)==[_824774, _824780]
   Call: (190) [system] is_list(=)
   Call: (190) [system] string(=)
   Call: (190) [system] compound(=)
^  Call: (190) [user] symbol(=)
   Call: (191) [system] atom(=)
   Exit: (191) [system] atom(=)
^  Exit: (190) [user] symbol(=)
^  Exit: (189) [user] mfix_vars1(=, =)
   Call: (189) [apply] apply:maplist_([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _815480, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1([synthesize, _query, _kb, _rb, _depth], _834042)
   Call: (191) [system] var([synthesize, _query, _kb, _rb, _depth])
   Call: (191) [system] atom([synthesize, _query, _kb, _rb, _depth])
   Call: (191) [system] [synthesize, _query, _kb, _rb, _depth]==true
   Call: (191) [system] [synthesize, _query, _kb, _rb, _depth]==false
   Call: (191) [system] synthesize=='['
   Call: (191) [system] synthesize=='{'
   Call: (191) [system] is_list([_query, _kb, _rb, _depth])
   Exit: (191) [system] is_list([_query, _kb, _rb, _depth])
   Call: (191) [lists] lists:last([_query, _kb, _rb, _depth], _842386)
   Call: (192) [lists] lists:last_([_kb, _rb, _depth], _query, _842386)
   Call: (193) [lists] lists:last_([_rb, _depth], _kb, _842386)
   Call: (194) [lists] lists:last_([_depth], _rb, _842386)
   Call: (195) [lists] lists:last_([], _depth, _842386)
   Exit: (195) [lists] lists:last_([], _depth, _depth)
   Exit: (194) [lists] lists:last_([_depth], _rb, _depth)
   Exit: (193) [lists] lists:last_([_rb, _depth], _kb, _depth)
   Exit: (192) [lists] lists:last_([_kb, _rb, _depth], _query, _depth)
   Exit: (191) [lists] lists:last([_query, _kb, _rb, _depth], _depth)
   Call: (191) [system] _depth=='}'
   Call: (191) [system] [synthesize, _query, _kb, _rb, _depth]==[_852630, _852636]
   Call: (191) [system] fail
   Call: (191) [system] is_list([synthesize, _query, _kb, _rb, _depth])
   Exit: (191) [system] is_list([synthesize, _query, _kb, _rb, _depth])
^  Call: (191) [user] apply:maplist(mfix_vars1, [synthesize, _query, _kb, _rb, _depth], _834042)
   Call: (192) [apply] apply:maplist_([synthesize, _query, _kb, _rb, _depth], _834042, user:mfix_vars1)
^  Call: (193) [user] mfix_vars1(synthesize, _858210)
   Call: (194) [system] var(synthesize)
   Call: (194) [system] atom(synthesize)
   Exit: (194) [system] atom(synthesize)
^  Call: (194) [user] symbol_concat($, _861918, synthesize)
   Call: (195) [system] atom_concat($, _861918, synthesize)
   Fail: (195) [system] atom_concat($, _861918, synthesize)
^  Fail: (194) [user] symbol_concat($, _861918, synthesize)
   Call: (194) [system] synthesize==true
   Call: (194) [system] synthesize==false
   Call: (194) [system] synthesize==[_867506, _867512]
   Call: (194) [system] is_list(synthesize)
   Call: (194) [system] string(synthesize)
   Call: (194) [system] compound(synthesize)
^  Call: (194) [user] symbol(synthesize)
   Call: (195) [system] atom(synthesize)
   Exit: (195) [system] atom(synthesize)
^  Exit: (194) [user] symbol(synthesize)
^  Exit: (193) [user] mfix_vars1(synthesize, synthesize)
   Call: (193) [apply] apply:maplist_([_query, _kb, _rb, _depth], _858212, user:mfix_vars1)
^  Call: (194) [user] mfix_vars1(_query, _876774)
   Call: (195) [system] var(_query)
   Call: (195) [system] atom(_query)
   Call: (195) [system] _query==true
   Call: (195) [system] _query==false
   Call: (195) [system] _query==[_881416, _881422]
   Call: (195) [system] is_list(_query)
   Call: (195) [system] string(_query)
   Call: (195) [system] compound(_query)
   Exit: (195) [system] compound(_query)
   Call: (195) [system] compound_name_arguments(_query, _886050, _886052)
   Exit: (195) [system] compound_name_arguments(_query, '$VAR', ['_query'])
   Call: (195) [system] '$VAR'\=='$VAR'
^  Exit: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (182) [system] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _891644))
^  Call: (182) [user] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _891644))
^  Call: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _891644)
^  Call: (184) [user] once(call(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _894444))
^  Call: (185) [user] call(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _894444)
^  Call: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _894444)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (185) [system] call(user:cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (184) [system] once(user:call(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]\=@=[=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]
^  Exit: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _787544))
^  Call: (182) [user] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _787544))
^  Call: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _787544)
^  Call: (184) [user] once(call(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _908402))
^  Call: (185) [user] call(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _908402)
^  Call: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _908402)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (185) [system] call(user:cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (184) [system] once(user:call(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]\=@=[=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]
^  Exit: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
^  Exit: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (179) [system] call(user:untyped_to_metta, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (178) [system] once(user:call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
   Call: (178) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]\=@=[=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]
^  Exit: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (171) [user] read_sform((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (170) [system] once(user:read_sform((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
   Call: (169) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]==end_of_file
   Fail: (169) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]), 110]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x55772f06bcd0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], me_synthesize_1727481849_9551582, 110)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]), 110]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727481859.9160874)
   Call: (173) [system] arg(1, t(1727481858.222791), _3148)
   Exit: (173) [system] arg(1, t(1727481858.222791), 1727481858.222791)
   Call: (173) [system] _3158 is 1727481859.9160874-1727481858.222791
   Exit: (173) [system] 1.6932964324951172 is 1727481859.9160874-1727481858.222791
   Call: (173) [system] 1.6932964324951172>4
   Fail: (173) [system] 1.6932964324951172>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]), 110]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 18)
   Call: (175) [system] atom(18+1)
   Call: (175) [system] set_flag(translated_forms, 19)
   Exit: (175) [system] set_flag(translated_forms, 19)
   Exit: (174) [$syspreds] update_flag(translated_forms, 18, 18+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 18, 18+1))
   Exit: (171) [$syspreds] flag(translated_forms, 18, 18+1)
^  Call: (171) [user] write_metta_datalog_term((0x55772f06bcd0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], me_synthesize_1727481849_9551582, 110)
^  Call: (172) [user] s2t_iz(me_synthesize_1727481849_9551582, _959872, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _959874)
   Call: (173) [system] (=)==(:)
^  Call: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _959874)
   Call: (174) [system] compound([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Exit: (174) [system] compound([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Call: (174) [user] s2t(=, _964524)
   Call: (175) [system] compound(=)
   Call: (175) [system] (=)=_964524
   Exit: (175) [system] (=)=(=)
^  Exit: (174) [user] s2t(=, =)
^  Call: (174) [user] s2tl([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _964526)
   Call: (175) [system] compound([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Exit: (175) [system] compound([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Call: (175) [user] s2t([synthesize, _query, _kb, _rb, _depth], _971942)
   Call: (176) [system] compound([synthesize, _query, _kb, _rb, _depth])
   Exit: (176) [system] compound([synthesize, _query, _kb, _rb, _depth])
   Call: (176) [system] synthesize==(->)
   Call: (176) [system] synthesize=='Cons'
   Call: (176) [system] synthesize==(=)
   Call: (176) [system] is_list([synthesize, _query, _kb, _rb, _depth])
   Exit: (176) [system] is_list([synthesize, _query, _kb, _rb, _depth])
^  Call: (176) [user] apply:maplist(s2t, [synthesize, _query, _kb, _rb, _depth], _979354)
   Call: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, _depth], _979354, user:s2t)
^  Call: (178) [user] s2t(synthesize, _981234)
   Call: (179) [system] compound(synthesize)
   Call: (179) [system] synthesize=_981234
   Exit: (179) [system] synthesize=synthesize
^  Exit: (178) [user] s2t(synthesize, synthesize)
   Call: (178) [apply] apply:maplist_([_query, _kb, _rb, _depth], _981236, user:s2t)
^  Call: (179) [user] s2t(_query, _986808)
   Call: (180) [system] compound(_query)
   Exit: (180) [system] compound(_query)
   Call: (180) [system] is_list(_query)
^  Call: (180) [user] s2tl(_query, _986808)
   Call: (181) [system] compound(_query)
   Exit: (181) [system] compound(_query)
^  Exit: (180) [user] s2tl(_query, _query)
^  Exit: (179) [user] s2t(_query, _query)
   Call: (179) [apply] apply:maplist_([_kb, _rb, _depth], _986810, user:s2t)
^  Call: (180) [user] s2t(_kb, _996078)
   Call: (181) [system] compound(_kb)
   Exit: (181) [system] compound(_kb)
   Call: (181) [system] is_list(_kb)
^  Call: (181) [user] s2tl(_kb, _996078)
   Call: (182) [system] compound(_kb)
   Exit: (182) [system] compound(_kb)
^  Exit: (181) [user] s2tl(_kb, _kb)
^  Exit: (180) [user] s2t(_kb, _kb)
   Call: (180) [apply] apply:maplist_([_rb, _depth], _996080, user:s2t)
^  Call: (181) [user] s2t(_rb, _1005348)
   Call: (182) [system] compound(_rb)
   Exit: (182) [system] compound(_rb)
   Call: (182) [system] is_list(_rb)
^  Call: (182) [user] s2tl(_rb, _1005348)
   Call: (183) [system] compound(_rb)
   Exit: (183) [system] compound(_rb)
^  Exit: (182) [user] s2tl(_rb, _rb)
^  Exit: (181) [user] s2t(_rb, _rb)
   Call: (181) [apply] apply:maplist_([_depth], _1005350, user:s2t)
^  Call: (182) [user] s2t(_depth, _1014618)
   Call: (183) [system] compound(_depth)
   Exit: (183) [system] compound(_depth)
   Call: (183) [system] is_list(_depth)
^  Call: (183) [user] s2tl(_depth, _1014618)
   Call: (184) [system] compound(_depth)
   Exit: (184) [system] compound(_depth)
^  Exit: (183) [user] s2tl(_depth, _depth)
^  Exit: (182) [user] s2t(_depth, _depth)
   Call: (182) [apply] apply:maplist_([], _1014620, user:s2t)
   Exit: (182) [apply] apply:maplist_([], [], user:s2t)
   Exit: (181) [apply] apply:maplist_([_depth], [_depth], user:s2t)
   Exit: (180) [apply] apply:maplist_([_rb, _depth], [_rb, _depth], user:s2t)
   Exit: (179) [apply] apply:maplist_([_kb, _rb, _depth], [_kb, _rb, _depth], user:s2t)
   Exit: (178) [apply] apply:maplist_([_query, _kb, _rb, _depth], [_query, _kb, _rb, _depth], user:s2t)
   Exit: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, _depth], [synthesize, _query, _kb, _rb, _depth], user:s2t)
^  Exit: (176) [apply] apply:maplist(user:s2t, [synthesize, _query, _kb, _rb, _depth], [synthesize, _query, _kb, _rb, _depth])
   Call: (176) [system] compound_name_arguments(_971942, t, [synthesize, _query, _kb, _rb, _depth])
   Exit: (176) [system] compound_name_arguments(t(synthesize, _query, _kb, _rb, _depth), t, [synthesize, _query, _kb, _rb, _depth])
^  Exit: (175) [user] s2t([synthesize, _query, _kb, _rb, _depth], t(synthesize, _query, _kb, _rb, _depth))
^  Call: (175) [user] s2tl([[let, _query, [_kb], _query]], _971944)
   Call: (176) [system] compound([[let, _query, [_kb], _query]])
   Exit: (176) [system] compound([[let, _query, [_kb], _query]])
^  Call: (176) [user] s2t([let, _query, [_kb], _query], _1035998)
   Call: (177) [system] compound([let, _query, [_kb], _query])
   Exit: (177) [system] compound([let, _query, [_kb], _query])
   Call: (177) [system] let==(->)
   Call: (177) [system] let=='Cons'
   Call: (177) [system] let==(=)
   Call: (177) [system] is_list([let, _query, [_kb], _query])
   Exit: (177) [system] is_list([let, _query, [_kb], _query])
^  Call: (177) [user] apply:maplist(s2t, [let, _query, [_kb], _query], _1043410)
   Call: (178) [apply] apply:maplist_([let, _query, [_kb], _query], _1043410, user:s2t)
^  Call: (179) [user] s2t(let, _1045290)
   Call: (180) [system] compound(let)
   Call: (180) [system] let=_1045290
   Exit: (180) [system] let=let
^  Exit: (179) [user] s2t(let, let)
   Call: (179) [apply] apply:maplist_([_query, [_kb], _query], _1045292, user:s2t)
^  Call: (180) [user] s2t(_query, _1050864)
   Call: (181) [system] compound(_query)
   Exit: (181) [system] compound(_query)
   Call: (181) [system] is_list(_query)
^  Call: (181) [user] s2tl(_query, _1050864)
   Call: (182) [system] compound(_query)
   Exit: (182) [system] compound(_query)
^  Exit: (181) [user] s2tl(_query, _query)
^  Exit: (180) [user] s2t(_query, _query)
   Call: (180) [apply] apply:maplist_([[_kb], _query], _1050866, user:s2t)
^  Call: (181) [user] s2t([_kb], _1060134)
   Call: (182) [system] compound([_kb])
   Exit: (182) [system] compound([_kb])
   Call: (182) [system] _kb==(->)
   Call: (182) [system] _kb=='Cons'
   Call: (182) [system] _kb==(=)
   Call: (182) [system] is_list([_kb])
   Exit: (182) [system] is_list([_kb])
^  Call: (182) [user] apply:maplist(s2t, [_kb], _1067546)
   Call: (183) [apply] apply:maplist_([_kb], _1067546, user:s2t)
^  Call: (184) [user] s2t(_kb, _1069426)
   Call: (185) [system] compound(_kb)
   Exit: (185) [system] compound(_kb)
   Call: (185) [system] is_list(_kb)
^  Call: (185) [user] s2tl(_kb, _1069426)
   Call: (186) [system] compound(_kb)
   Exit: (186) [system] compound(_kb)
^  Exit: (185) [user] s2tl(_kb, _kb)
^  Exit: (184) [user] s2t(_kb, _kb)
   Call: (184) [apply] apply:maplist_([], _1069428, user:s2t)
   Exit: (184) [apply] apply:maplist_([], [], user:s2t)
   Exit: (183) [apply] apply:maplist_([_kb], [_kb], user:s2t)
^  Exit: (182) [apply] apply:maplist(user:s2t, [_kb], [_kb])
   Call: (182) [system] compound_name_arguments(_1060134, t, [_kb])
   Exit: (182) [system] compound_name_arguments(t(_kb), t, [_kb])
^  Exit: (181) [user] s2t([_kb], t(_kb))
   Call: (181) [apply] apply:maplist_([_query], _1060136, user:s2t)
^  Call: (182) [user] s2t(_query, _1085226)
   Call: (183) [system] compound(_query)
   Exit: (183) [system] compound(_query)
   Call: (183) [system] is_list(_query)
^  Call: (183) [user] s2tl(_query, _1085226)
   Call: (184) [system] compound(_query)
   Exit: (184) [system] compound(_query)
^  Exit: (183) [user] s2tl(_query, _query)
^  Exit: (182) [user] s2t(_query, _query)
   Call: (182) [apply] apply:maplist_([], _1085228, user:s2t)
   Exit: (182) [apply] apply:maplist_([], [], user:s2t)
   Exit: (181) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (180) [apply] apply:maplist_([[_kb], _query], [t(_kb), _query], user:s2t)
   Exit: (179) [apply] apply:maplist_([_query, [_kb], _query], [_query, t(_kb), _query], user:s2t)
   Exit: (178) [apply] apply:maplist_([let, _query, [_kb], _query], [let, _query, t(_kb), _query], user:s2t)
^  Exit: (177) [apply] apply:maplist(user:s2t, [let, _query, [_kb], _query], [let, _query, t(_kb), _query])
   Call: (177) [system] compound_name_arguments(_1035998, t, [let, _query, t(_kb), _query])
   Exit: (177) [system] compound_name_arguments(t(let, _query, t(_kb), _query), t, [let, _query, t(_kb), _query])
^  Exit: (176) [user] s2t([let, _query, [_kb], _query], t(let, _query, t(_kb), _query))
^  Call: (176) [user] s2tl([], _1036000)
   Call: (177) [system] compound([])
   Call: (177) [system] []=_1036000
   Exit: (177) [system] []=[]
^  Exit: (176) [user] s2tl([], [])
^  Exit: (175) [user] s2tl([[let, _query, [_kb], _query]], [t(let, _query, t(_kb), _query)])
^  Exit: (174) [user] s2tl([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)])
^  Exit: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)])
^  Exit: (172) [user] s2t_iz(me_synthesize_1727481849_9551582, me_synthesize_1727481849_9551582, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)])
^  Call: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)], _1111250)
   Call: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)])
   Exit: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)])
   Call: (173) [system] _1111250=[=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)]
   Exit: (173) [system] [=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)]=[=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)]
^  Exit: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)], [=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)])
   Call: (172) [system] _1116812=..[me_synthesize_1727481849_9551582, 110, =, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)]
   Exit: (172) [system] me_synthesize_1727481849_9551582(110, =, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query))=..[me_synthesize_1727481849_9551582, 110, =, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)]
^  Call: (172) [user] format((0x55772f06bcd0), "~q.~n", [me_synthesize_1727481849_9551582(110, =, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query))])
^  Exit: (172) [user] format((0x55772f06bcd0), "~q.~n", [me_synthesize_1727481849_9551582(110, =, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query))])
^  Exit: (171) [user] write_metta_datalog_term((0x55772f06bcd0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], me_synthesize_1727481849_9551582, 110)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]), 110]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 18, 18+1), write_metta_datalog_term((0x55772f06bcd0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], me_synthesize_1727481849_9551582, 110)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x55772f068e50))
   Fail: (169) [system] at_end_of_stream((0x55772f068e50))
^  Call: (169) [user] must_det_ll(line_count((0x55772f068e50), _3074))
^  Call: (170) [user] once(user:line_count((0x55772f068e50), _3074))
   Call: (171) [system] line_count((0x55772f068e50), _3074)
   Exit: (171) [system] line_count((0x55772f068e50), 111)
^  Exit: (170) [system] once(user:line_count((0x55772f068e50), 111))
^  Exit: (169) [user] must_det_ll(user:line_count((0x55772f068e50), 111))
^  Call: (169) [user] must_det_ll(read_sform((0x55772f068e50), _3084))
^  Call: (170) [user] once(user:read_sform((0x55772f068e50), _3084))
^  Call: (171) [user] read_sform((0x55772f068e50), _3084)
   Call: (172) [system] string((0x55772f068e50))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (173) [system] string((0x55772f068e50))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (174) [system] at_end_of_stream((0x55772f068e50))
   Call: (174) [system] peek_char((0x55772f068e50), _1142004)
   Exit: (174) [system] peek_char((0x55772f068e50), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x55772f068e50), '\n')
   Exit: (174) [system] get_char((0x55772f068e50), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), _3084)
   Call: (175) [system] at_end_of_stream((0x55772f068e50))
   Call: (175) [system] peek_char((0x55772f068e50), _1149426)
   Exit: (175) [system] peek_char((0x55772f068e50), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (176) [system] string((0x55772f068e50))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (177) [system] at_end_of_stream((0x55772f068e50))
   Call: (177) [system] peek_char((0x55772f068e50), _1157764)
   Exit: (177) [system] peek_char((0x55772f068e50), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _1160550=(0x55772f068e50)
   Exit: (177) [system] (0x55772f068e50)=(0x55772f068e50)
^  Call: (177) [user] once((read_position((0x55772f068e50), _1162418, _1162420, _1162422, _1162424), read_sexpr((0x55772f068e50), _1162436), assertz(metta_file_comment(_1162418, _1162420, _1162422, _1162436, _1162424))))
^  Call: (179) [user] read_position((0x55772f068e50), _1162418, _1162420, _1162422, _1162424)
   Call: (180) [system] stream_property((0x55772f068e50), position(_1162424))
   Call: (181) [system] nonvar((0x55772f068e50))
   Exit: (181) [system] nonvar((0x55772f068e50))
   Call: (181) [system] nonvar(position(_1162424))
   Exit: (181) [system] nonvar(position(_1162424))
   Exit: (180) [system] stream_property((0x55772f068e50), position('$stream_position'(4526, 112, 0, 4526)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4526, 112, 0, 4526), _1162418)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1172676)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4526, 112, 0, 4526), _1162418)
   Exit: (181) [system] arg(2, '$stream_position'(4526, 112, 0, 4526), 112)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4526, 112, 0, 4526), 112)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4526, 112, 0, 4526), _1162420)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1180110)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4526, 112, 0, 4526), _1162420)
   Exit: (181) [system] arg(3, '$stream_position'(4526, 112, 0, 4526), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4526, 112, 0, 4526), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4526, 112, 0, 4526), _1162422)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1187544)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4526, 112, 0, 4526), _1162422)
   Exit: (181) [system] arg(1, '$stream_position'(4526, 112, 0, 4526), 4526)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4526, 112, 0, 4526), 4526)
^  Exit: (179) [user] read_position((0x55772f068e50), 112, 0, 4526, '$stream_position'(4526, 112, 0, 4526))
^  Call: (179) [user] read_sexpr((0x55772f068e50), _1162436)
   Call: (180) [system] string((0x55772f068e50))
   Fail: (180) [system] string((0x55772f068e50))
^  Call: (180) [user] cont_sexpr(')', (0x55772f068e50), _1162436)
^  Call: (181) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _1197770)
   Exit: (182) [system] peek_char((0x55772f068e50), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x55772f068e50))
   Call: (181) [system] get_char((0x55772f068e50), _1213780)
   Exit: (181) [system] get_char((0x55772f068e50), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x55772f068e50), _1162436)
^  Call: (182) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _1219350)
   Exit: (183) [system] peek_char((0x55772f068e50), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _1235360)
   Exit: (182) [system] peek_char((0x55772f068e50), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x55772f068e50), _1240930)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _1242788)
   Exit: (184) [system] peek_char((0x55772f068e50), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] get_char((0x55772f068e50), _1258798)
   Exit: (183) [system] get_char((0x55772f068e50), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x55772f068e50), =, _1240930)
^  Call: (184) [user] read_symbolic_cont(')', (0x55772f068e50), _1276440)
   Call: (185) [system] peek_char((0x55772f068e50), _1277374)
   Exit: (185) [system] peek_char((0x55772f068e50), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1276440=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _1240930)
^  Call: (185) [user] classify_and_convert_charseq_([=], _1286658)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_1287610, _1287612), once(user:catch(read_from_chars([=], _1286658), _1287592, fail)), '$restore_trace'(_1287610, _1287612))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_1287610, _1287612))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1287592, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _1240930=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x55772f068e50), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x55772f068e50), =)
^  Call: (182) [user] read_list(')', (0x55772f068e50), _1299738)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _1301596)
   Exit: (184) [system] peek_char((0x55772f068e50), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x55772f068e50), _1311190)
   Exit: (184) [system] get_char((0x55772f068e50), ' ')
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1313894)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _1330828)
   Exit: (183) [system] peek_char((0x55772f068e50), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x55772f068e50), _1336398)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1338256)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] get_char((0x55772f068e50), _1354266)
   Exit: (184) [system] get_char((0x55772f068e50), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x55772f068e50), _1336398)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1359836)
   Exit: (186) [system] peek_char((0x55772f068e50), r)
   Call: (186) [system] r=(;)
   Fail: (186) [system] r=(;)
   Call: (186) [system] r=(/)
   Fail: (186) [system] r=(/)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Fail: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Fail: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Fail: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
   Fail: (187) [system] char_type(r, cntrl)
^  Fail: (186) [user] is_like_space(r)
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1375846)
   Exit: (185) [system] peek_char((0x55772f068e50), r)
   Call: (185) [system] r=')'
   Fail: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
   Fail: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x55772f068e50), _1381416)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1383274)
   Exit: (187) [system] peek_char((0x55772f068e50), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
   Call: (187) [system] r=(/)
   Fail: (187) [system] r=(/)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] get_char((0x55772f068e50), _1399284)
   Exit: (186) [system] get_char((0x55772f068e50), r)
   Call: (186) [system] r='('
   Fail: (186) [system] r='('
   Call: (186) [system] r='['
   Fail: (186) [system] r='['
   Call: (186) [system] r='{'
   Fail: (186) [system] r='{'
   Call: (186) [system] r='"'
   Fail: (186) [system] r='"'
   Call: (186) [system] r=!
   Fail: (186) [system] r=!
   Call: (186) [system] r='\''
   Fail: (186) [system] r='\''
   Call: (186) [system] r='`'
   Fail: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
   Fail: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x55772f068e50), r, _1381416)
^  Call: (187) [user] read_symbolic_cont(')', (0x55772f068e50), _1416926)
   Call: (188) [system] peek_char((0x55772f068e50), _1417860)
   Exit: (188) [system] peek_char((0x55772f068e50), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_1422580, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_1423512, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x55772f068e50), b)
   Exit: (188) [system] get_char((0x55772f068e50), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _1430862)
   Call: (189) [system] peek_char((0x55772f068e50), _1431796)
   Exit: (189) [system] peek_char((0x55772f068e50), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_1436516, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _1430862=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (188) [system] _1416926=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
^  Call: (187) [user] classify_and_convert_charseq([r, b], _1381416)
^  Call: (188) [user] classify_and_convert_charseq_([r, b], _1445746)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1446698, _1446700), once(user:catch(read_from_chars([r, b], _1445746), _1446680, fail)), '$restore_trace'(_1446698, _1446700))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1446698, _1446700))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _1446680, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(rb)
   Exit: (189) [system] atomic(rb)
^  Exit: (188) [user] classify_and_convert_charseq_([r, b], rb)
   Call: (188) [system] integer(rb)
   Fail: (188) [system] integer(rb)
   Call: (188) [system] _1381416=rb
   Exit: (188) [system] rb=rb
^  Exit: (187) [user] classify_and_convert_charseq([r, b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x55772f068e50), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x55772f068e50), rb)
^  Call: (185) [user] read_list(')', (0x55772f068e50), _1458826)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1460684)
   Exit: (187) [system] peek_char((0x55772f068e50), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1476694)
   Exit: (186) [system] peek_char((0x55772f068e50), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x55772f068e50), _1480484)
   Exit: (186) [system] get_char((0x55772f068e50), ')')
   Call: (186) [system] _1458826=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [])
   Call: (185) [system] _1336398=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x55772f068e50), [rb])
^  Call: (183) [user] read_list(')', (0x55772f068e50), _1488778)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1490636)
   Exit: (185) [system] peek_char((0x55772f068e50), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x55772f068e50), _1500230)
   Exit: (185) [system] get_char((0x55772f068e50), ' ')
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1502934)
   Exit: (186) [system] peek_char((0x55772f068e50), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _1519868)
   Exit: (184) [system] peek_char((0x55772f068e50), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x55772f068e50), _1525438)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1527296)
   Exit: (186) [system] peek_char((0x55772f068e50), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] get_char((0x55772f068e50), _1543306)
   Exit: (185) [system] get_char((0x55772f068e50), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x55772f068e50), _1525438)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1548876)
   Exit: (187) [system] peek_char((0x55772f068e50), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
   Call: (187) [system] (:)=(/)
   Fail: (187) [system] (:)=(/)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1564886)
   Exit: (186) [system] peek_char((0x55772f068e50), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x55772f068e50), _1570456)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1572314)
   Exit: (188) [system] peek_char((0x55772f068e50), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
   Call: (188) [system] (:)=(/)
   Fail: (188) [system] (:)=(/)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] get_char((0x55772f068e50), _1588324)
   Exit: (187) [system] get_char((0x55772f068e50), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x55772f068e50), :, _1570456)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _1605966)
   Call: (189) [system] peek_char((0x55772f068e50), _1606900)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _1605966=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (188) [user] classify_and_convert_charseq([:], _1570456)
^  Call: (189) [user] classify_and_convert_charseq_([:], _1616184)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1617136, _1617138), once(user:catch(read_from_chars([:], _1616184), _1617118, fail)), '$restore_trace'(_1617136, _1617138))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1617136, _1617138))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1617118, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(:)
   Exit: (190) [system] atomic(:)
^  Exit: (189) [user] classify_and_convert_charseq_([:], :)
   Call: (189) [system] integer(:)
   Fail: (189) [system] integer(:)
   Call: (189) [system] _1570456=(:)
   Exit: (189) [system] (:)=(:)
^  Exit: (188) [user] classify_and_convert_charseq([:], :)
^  Exit: (187) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (186) [user] read_list(')', (0x55772f068e50), _1629264)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1631122)
   Exit: (188) [system] peek_char((0x55772f068e50), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x55772f068e50), _1640716)
   Exit: (188) [system] get_char((0x55772f068e50), ' ')
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1643420)
   Exit: (189) [system] peek_char((0x55772f068e50), 'D')
   Call: (189) [system] 'D'=(;)
   Fail: (189) [system] 'D'=(;)
   Call: (189) [system] 'D'=(/)
   Fail: (189) [system] 'D'=(/)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Fail: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Fail: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Fail: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
   Fail: (190) [system] char_type('D', cntrl)
^  Fail: (189) [user] is_like_space('D')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1660354)
   Exit: (187) [system] peek_char((0x55772f068e50), 'D')
   Call: (187) [system] 'D'=')'
   Fail: (187) [system] 'D'=')'
   Call: (187) [system] 'D'=end_of_file
   Fail: (187) [system] 'D'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x55772f068e50), _1665924)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1667782)
   Exit: (189) [system] peek_char((0x55772f068e50), 'D')
   Call: (189) [system] 'D'=(;)
   Fail: (189) [system] 'D'=(;)
   Call: (189) [system] 'D'=(/)
   Fail: (189) [system] 'D'=(/)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Fail: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Fail: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Fail: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
   Fail: (190) [system] char_type('D', cntrl)
^  Fail: (189) [user] is_like_space('D')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] get_char((0x55772f068e50), _1683792)
   Exit: (188) [system] get_char((0x55772f068e50), 'D')
   Call: (188) [system] 'D'='('
   Fail: (188) [system] 'D'='('
   Call: (188) [system] 'D'='['
   Fail: (188) [system] 'D'='['
   Call: (188) [system] 'D'='{'
   Fail: (188) [system] 'D'='{'
   Call: (188) [system] 'D'='"'
   Fail: (188) [system] 'D'='"'
   Call: (188) [system] 'D'=!
   Fail: (188) [system] 'D'=!
   Call: (188) [system] 'D'='\''
   Fail: (188) [system] 'D'='\''
   Call: (188) [system] 'D'='`'
   Fail: (188) [system] 'D'='`'
   Call: (188) [system] 'D'=end_of_file
   Fail: (188) [system] 'D'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x55772f068e50), 'D', _1665924)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _1701434)
   Call: (190) [system] peek_char((0x55772f068e50), _1702368)
   Exit: (190) [system] peek_char((0x55772f068e50), i)
^  Call: (190) [user] is_delimiter(i)
   Call: (191) [system] char_type(i, space)
   Fail: (191) [system] char_type(i, space)
   Call: (191) [system] arg(_1707088, v('(', ')', end_of_file), i)
   Fail: (191) [system] arg(_1708020, v('(', ')', end_of_file), i)
^  Fail: (190) [user] is_delimiter(i)
   Call: (190) [system] ')'==i
   Fail: (190) [system] ')'==i
   Call: (190) [system] get_char((0x55772f068e50), i)
   Exit: (190) [system] get_char((0x55772f068e50), i)
   Call: (190) [system] i=(\)
   Fail: (190) [system] i=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _1715370)
   Call: (191) [system] peek_char((0x55772f068e50), _1716304)
   Exit: (191) [system] peek_char((0x55772f068e50), s)
^  Call: (191) [user] is_delimiter(s)
   Call: (192) [system] char_type(s, space)
   Fail: (192) [system] char_type(s, space)
   Call: (192) [system] arg(_1721024, v('(', ')', end_of_file), s)
   Fail: (192) [system] arg(_1721956, v('(', ')', end_of_file), s)
^  Fail: (191) [user] is_delimiter(s)
   Call: (191) [system] ')'==s
   Fail: (191) [system] ')'==s
   Call: (191) [system] get_char((0x55772f068e50), s)
   Exit: (191) [system] get_char((0x55772f068e50), s)
   Call: (191) [system] s=(\)
   Fail: (191) [system] s=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _1729306)
   Call: (192) [system] peek_char((0x55772f068e50), _1730240)
   Exit: (192) [system] peek_char((0x55772f068e50), j)
^  Call: (192) [user] is_delimiter(j)
   Call: (193) [system] char_type(j, space)
   Fail: (193) [system] char_type(j, space)
   Call: (193) [system] arg(_1734960, v('(', ')', end_of_file), j)
   Fail: (193) [system] arg(_1735892, v('(', ')', end_of_file), j)
^  Fail: (192) [user] is_delimiter(j)
   Call: (192) [system] ')'==j
   Fail: (192) [system] ')'==j
   Call: (192) [system] get_char((0x55772f068e50), j)
   Exit: (192) [system] get_char((0x55772f068e50), j)
   Call: (192) [system] j=(\)
   Fail: (192) [system] j=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _1743242)
   Call: (193) [system] peek_char((0x55772f068e50), _1744176)
   Exit: (193) [system] peek_char((0x55772f068e50), u)
^  Call: (193) [user] is_delimiter(u)
   Call: (194) [system] char_type(u, space)
   Fail: (194) [system] char_type(u, space)
   Call: (194) [system] arg(_1748896, v('(', ')', end_of_file), u)
   Fail: (194) [system] arg(_1749828, v('(', ')', end_of_file), u)
^  Fail: (193) [user] is_delimiter(u)
   Call: (193) [system] ')'==u
   Fail: (193) [system] ')'==u
   Call: (193) [system] get_char((0x55772f068e50), u)
   Exit: (193) [system] get_char((0x55772f068e50), u)
   Call: (193) [system] u=(\)
   Fail: (193) [system] u=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _1757178)
   Call: (194) [system] peek_char((0x55772f068e50), _1758112)
   Exit: (194) [system] peek_char((0x55772f068e50), n)
^  Call: (194) [user] is_delimiter(n)
   Call: (195) [system] char_type(n, space)
   Fail: (195) [system] char_type(n, space)
   Call: (195) [system] arg(_1762832, v('(', ')', end_of_file), n)
   Fail: (195) [system] arg(_1763764, v('(', ')', end_of_file), n)
^  Fail: (194) [user] is_delimiter(n)
   Call: (194) [system] ')'==n
   Fail: (194) [system] ')'==n
   Call: (194) [system] get_char((0x55772f068e50), n)
   Exit: (194) [system] get_char((0x55772f068e50), n)
   Call: (194) [system] n=(\)
   Fail: (194) [system] n=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _1771114)
   Call: (195) [system] peek_char((0x55772f068e50), _1772048)
   Exit: (195) [system] peek_char((0x55772f068e50), c)
^  Call: (195) [user] is_delimiter(c)
   Call: (196) [system] char_type(c, space)
   Fail: (196) [system] char_type(c, space)
   Call: (196) [system] arg(_1776768, v('(', ')', end_of_file), c)
   Fail: (196) [system] arg(_1777700, v('(', ')', end_of_file), c)
^  Fail: (195) [user] is_delimiter(c)
   Call: (195) [system] ')'==c
   Fail: (195) [system] ')'==c
   Call: (195) [system] get_char((0x55772f068e50), c)
   Exit: (195) [system] get_char((0x55772f068e50), c)
   Call: (195) [system] c=(\)
   Fail: (195) [system] c=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _1785050)
   Call: (196) [system] peek_char((0x55772f068e50), _1785984)
   Exit: (196) [system] peek_char((0x55772f068e50), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_1790704, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_1791636, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x55772f068e50), t)
   Exit: (196) [system] get_char((0x55772f068e50), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1798986)
   Call: (197) [system] peek_char((0x55772f068e50), _1799920)
   Exit: (197) [system] peek_char((0x55772f068e50), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Fail: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_1804640, v('(', ')', end_of_file), i)
   Fail: (198) [system] arg(_1805572, v('(', ')', end_of_file), i)
^  Fail: (197) [user] is_delimiter(i)
   Call: (197) [system] ')'==i
   Fail: (197) [system] ')'==i
   Call: (197) [system] get_char((0x55772f068e50), i)
   Exit: (197) [system] get_char((0x55772f068e50), i)
   Call: (197) [system] i=(\)
   Fail: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1812922)
   Call: (198) [system] peek_char((0x55772f068e50), _1813856)
   Exit: (198) [system] peek_char((0x55772f068e50), v)
^  Call: (198) [user] is_delimiter(v)
   Call: (199) [system] char_type(v, space)
   Fail: (199) [system] char_type(v, space)
   Call: (199) [system] arg(_1818576, v('(', ')', end_of_file), v)
   Fail: (199) [system] arg(_1819508, v('(', ')', end_of_file), v)
^  Fail: (198) [user] is_delimiter(v)
   Call: (198) [system] ')'==v
   Fail: (198) [system] ')'==v
   Call: (198) [system] get_char((0x55772f068e50), v)
   Exit: (198) [system] get_char((0x55772f068e50), v)
   Call: (198) [system] v=(\)
   Fail: (198) [system] v=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1826858)
   Call: (199) [system] peek_char((0x55772f068e50), _1827792)
   Exit: (199) [system] peek_char((0x55772f068e50), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Fail: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_1832512, v('(', ')', end_of_file), e)
   Fail: (200) [system] arg(_1833444, v('(', ')', end_of_file), e)
^  Fail: (199) [user] is_delimiter(e)
   Call: (199) [system] ')'==e
   Fail: (199) [system] ')'==e
   Call: (199) [system] get_char((0x55772f068e50), e)
   Exit: (199) [system] get_char((0x55772f068e50), e)
   Call: (199) [system] e=(\)
   Fail: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1840794)
   Call: (200) [system] peek_char((0x55772f068e50), _1841728)
   Exit: (200) [system] peek_char((0x55772f068e50), 'S')
^  Call: (200) [user] is_delimiter('S')
   Call: (201) [system] char_type('S', space)
   Fail: (201) [system] char_type('S', space)
   Call: (201) [system] arg(_1846448, v('(', ')', end_of_file), 'S')
   Fail: (201) [system] arg(_1847380, v('(', ')', end_of_file), 'S')
^  Fail: (200) [user] is_delimiter('S')
   Call: (200) [system] ')'=='S'
   Fail: (200) [system] ')'=='S'
   Call: (200) [system] get_char((0x55772f068e50), 'S')
   Exit: (200) [system] get_char((0x55772f068e50), 'S')
   Call: (200) [system] 'S'=(\)
   Fail: (200) [system] 'S'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1854730)
   Call: (201) [system] peek_char((0x55772f068e50), _1855664)
   Exit: (201) [system] peek_char((0x55772f068e50), y)
^  Call: (201) [user] is_delimiter(y)
   Call: (202) [system] char_type(y, space)
   Fail: (202) [system] char_type(y, space)
   Call: (202) [system] arg(_1860384, v('(', ')', end_of_file), y)
   Fail: (202) [system] arg(_1861316, v('(', ')', end_of_file), y)
^  Fail: (201) [user] is_delimiter(y)
   Call: (201) [system] ')'==y
   Fail: (201) [system] ')'==y
   Call: (201) [system] get_char((0x55772f068e50), y)
   Exit: (201) [system] get_char((0x55772f068e50), y)
   Call: (201) [system] y=(\)
   Fail: (201) [system] y=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1868666)
   Call: (202) [system] peek_char((0x55772f068e50), _1869600)
   Exit: (202) [system] peek_char((0x55772f068e50), l)
^  Call: (202) [user] is_delimiter(l)
   Call: (203) [system] char_type(l, space)
   Fail: (203) [system] char_type(l, space)
   Call: (203) [system] arg(_1874320, v('(', ')', end_of_file), l)
   Fail: (203) [system] arg(_1875252, v('(', ')', end_of_file), l)
^  Fail: (202) [user] is_delimiter(l)
   Call: (202) [system] ')'==l
   Fail: (202) [system] ')'==l
   Call: (202) [system] get_char((0x55772f068e50), l)
   Exit: (202) [system] get_char((0x55772f068e50), l)
   Call: (202) [system] l=(\)
   Fail: (202) [system] l=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1882602)
   Call: (203) [system] peek_char((0x55772f068e50), _1883536)
   Exit: (203) [system] peek_char((0x55772f068e50), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Fail: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_1888256, v('(', ')', end_of_file), l)
   Fail: (204) [system] arg(_1889188, v('(', ')', end_of_file), l)
^  Fail: (203) [user] is_delimiter(l)
   Call: (203) [system] ')'==l
   Fail: (203) [system] ')'==l
   Call: (203) [system] get_char((0x55772f068e50), l)
   Exit: (203) [system] get_char((0x55772f068e50), l)
   Call: (203) [system] l=(\)
   Fail: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1896538)
   Call: (204) [system] peek_char((0x55772f068e50), _1897472)
   Exit: (204) [system] peek_char((0x55772f068e50), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1902192, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_1903124, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x55772f068e50), o)
   Exit: (204) [system] get_char((0x55772f068e50), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1910474)
   Call: (205) [system] peek_char((0x55772f068e50), _1911408)
   Exit: (205) [system] peek_char((0x55772f068e50), g)
^  Call: (205) [user] is_delimiter(g)
   Call: (206) [system] char_type(g, space)
   Fail: (206) [system] char_type(g, space)
   Call: (206) [system] arg(_1916128, v('(', ')', end_of_file), g)
   Fail: (206) [system] arg(_1917060, v('(', ')', end_of_file), g)
^  Fail: (205) [user] is_delimiter(g)
   Call: (205) [system] ')'==g
   Fail: (205) [system] ')'==g
   Call: (205) [system] get_char((0x55772f068e50), g)
   Exit: (205) [system] get_char((0x55772f068e50), g)
   Call: (205) [system] g=(\)
   Fail: (205) [system] g=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1924410)
   Call: (206) [system] peek_char((0x55772f068e50), _1925344)
   Exit: (206) [system] peek_char((0x55772f068e50), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1930064, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_1930996, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x55772f068e50), i)
   Exit: (206) [system] get_char((0x55772f068e50), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1938346)
   Call: (207) [system] peek_char((0x55772f068e50), _1939280)
   Exit: (207) [system] peek_char((0x55772f068e50), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_1944000, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_1944932, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x55772f068e50), s)
   Exit: (207) [system] get_char((0x55772f068e50), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1952282)
   Call: (208) [system] peek_char((0x55772f068e50), _1953216)
   Exit: (208) [system] peek_char((0x55772f068e50), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_1957936, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_1958868, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x55772f068e50), m)
   Exit: (208) [system] get_char((0x55772f068e50), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1966218)
   Call: (209) [system] peek_char((0x55772f068e50), _1967152)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1966218=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (208) [system] _1952282=[m]
   Exit: (208) [system] [m]=[m]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [m])
   Call: (207) [system] _1938346=[s, m]
   Exit: (207) [system] [s, m]=[s, m]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [s, m])
   Call: (206) [system] _1924410=[i, s, m]
   Exit: (206) [system] [i, s, m]=[i, s, m]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, m])
   Call: (205) [system] _1910474=[g, i, s, m]
   Exit: (205) [system] [g, i, s, m]=[g, i, s, m]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [g, i, s, m])
   Call: (204) [system] _1896538=[o, g, i, s, m]
   Exit: (204) [system] [o, g, i, s, m]=[o, g, i, s, m]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [o, g, i, s, m])
   Call: (203) [system] _1882602=[l, o, g, i, s, m]
   Exit: (203) [system] [l, o, g, i, s, m]=[l, o, g, i, s, m]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [l, o, g, i, s, m])
   Call: (202) [system] _1868666=[l, l, o, g, i, s, m]
   Exit: (202) [system] [l, l, o, g, i, s, m]=[l, l, o, g, i, s, m]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [l, l, o, g, i, s, m])
   Call: (201) [system] _1854730=[y, l, l, o, g, i, s, m]
   Exit: (201) [system] [y, l, l, o, g, i, s, m]=[y, l, l, o, g, i, s, m]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [y, l, l, o, g, i, s, m])
   Call: (200) [system] _1840794=['S', y, l, l, o, g, i, s, m]
   Exit: (200) [system] ['S', y, l, l, o, g, i, s, m]=['S', y, l, l, o, g, i, s, m]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), ['S', y, l, l, o, g, i, s, m])
   Call: (199) [system] _1826858=[e, 'S', y, l, l, o, g, i, s, m]
   Exit: (199) [system] [e, 'S', y, l, l, o, g, i, s, m]=[e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [e, 'S', y, l, l, o, g, i, s, m])
   Call: (198) [system] _1812922=[v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (198) [system] [v, e, 'S', y, l, l, o, g, i, s, m]=[v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (197) [system] _1798986=[i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (197) [system] [i, v, e, 'S', y, l, l, o, g, i, s, m]=[i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (196) [system] _1785050=[t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (196) [system] [t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (195) [system] _1771114=[c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (195) [system] [c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (194) [system] _1757178=[n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (194) [system] [n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (193) [system] _1743242=[u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (193) [system] [u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (192) [system] _1729306=[j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (192) [system] [j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (191) [system] _1715370=[s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (191) [system] [s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (190) [system] _1701434=[i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (190) [system] [i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
^  Call: (189) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], _1665924)
^  Call: (190) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], _2029522)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_2030474, _2030476), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], _2029522), _2030456, fail)), '$restore_trace'(_2030474, _2030476))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_2030474, _2030476))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], _2029522), _2030456, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(_2029522)
   Fail: (191) [system] atomic(_2029522)
   Call: (191) [system] atom_chars(_2029522, ['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Exit: (191) [system] atom_chars('DisjunctiveSyllogism', ['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
^  Exit: (190) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], 'DisjunctiveSyllogism')
   Call: (190) [system] integer('DisjunctiveSyllogism')
   Fail: (190) [system] integer('DisjunctiveSyllogism')
   Call: (190) [system] _1665924='DisjunctiveSyllogism'
   Exit: (190) [system] 'DisjunctiveSyllogism'='DisjunctiveSyllogism'
^  Exit: (189) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], 'DisjunctiveSyllogism')
^  Exit: (188) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctiveSyllogism')
^  Exit: (187) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctiveSyllogism')
^  Call: (187) [user] read_list(')', (0x55772f068e50), _2044472)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _2046330)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x55772f068e50), _2055924)
   Exit: (189) [system] get_char((0x55772f068e50), ' ')
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _2058628)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _2075562)
   Exit: (188) [system] peek_char((0x55772f068e50), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x55772f068e50), _2081132)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _2082990)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] get_char((0x55772f068e50), _5602)
   Exit: (189) [system] get_char((0x55772f068e50), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x55772f068e50), _3396)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _11172)
   Exit: (191) [system] peek_char((0x55772f068e50), -)
   Call: (191) [system] (-)=(;)
   Fail: (191) [system] (-)=(;)
   Call: (191) [system] (-)=(/)
   Fail: (191) [system] (-)=(/)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Fail: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Fail: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Fail: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
   Fail: (192) [system] char_type(-, cntrl)
^  Fail: (191) [user] is_like_space(-)
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _27182)
   Exit: (190) [system] peek_char((0x55772f068e50), -)
   Call: (190) [system] (-)=')'
   Fail: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
   Fail: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x55772f068e50), _32752)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _34610)
   Exit: (192) [system] peek_char((0x55772f068e50), -)
   Call: (192) [system] (-)=(;)
   Fail: (192) [system] (-)=(;)
   Call: (192) [system] (-)=(/)
   Fail: (192) [system] (-)=(/)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Fail: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Fail: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Fail: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
   Fail: (193) [system] char_type(-, cntrl)
^  Fail: (192) [user] is_like_space(-)
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] get_char((0x55772f068e50), _50620)
   Exit: (191) [system] get_char((0x55772f068e50), -)
   Call: (191) [system] (-)='('
   Fail: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Fail: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Fail: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Fail: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Fail: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Fail: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Fail: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
   Fail: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x55772f068e50), -, _32752)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _68262)
   Call: (193) [system] peek_char((0x55772f068e50), _69196)
   Exit: (193) [system] peek_char((0x55772f068e50), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Fail: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_73916, v('(', ')', end_of_file), >)
   Fail: (194) [system] arg(_74848, v('(', ')', end_of_file), >)
^  Fail: (193) [user] is_delimiter(>)
   Call: (193) [system] ')'==(>)
   Fail: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x55772f068e50), >)
   Exit: (193) [system] get_char((0x55772f068e50), >)
   Call: (193) [system] (>)=(\)
   Fail: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _82198)
   Call: (194) [system] peek_char((0x55772f068e50), _83132)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _82198=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (193) [system] _68262=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [>])
^  Call: (192) [user] classify_and_convert_charseq([-, >], _32752)
^  Call: (193) [user] classify_and_convert_charseq_([-, >], _95210)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_96162, _96164), once(user:catch(read_from_chars([-, >], _95210), _96144, fail)), '$restore_trace'(_96162, _96164))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_96162, _96164))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _96144, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(->)
   Exit: (194) [system] atomic(->)
^  Exit: (193) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (193) [system] integer(->)
   Fail: (193) [system] integer(->)
   Call: (193) [system] _32752=(->)
   Exit: (193) [system] (->)=(->)
^  Exit: (192) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (191) [user] read_symbolic(')', (0x55772f068e50), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x55772f068e50), ->)
^  Call: (190) [user] read_list(')', (0x55772f068e50), _108290)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _110148)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x55772f068e50), _119742)
   Exit: (192) [system] get_char((0x55772f068e50), ' ')
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _122446)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _139380)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x55772f068e50), _144950)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _146808)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] get_char((0x55772f068e50), _162818)
   Exit: (192) [system] get_char((0x55772f068e50), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x55772f068e50), _144950)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _168388)
   Exit: (194) [system] peek_char((0x55772f068e50), 'O')
   Call: (194) [system] 'O'=(;)
   Fail: (194) [system] 'O'=(;)
   Call: (194) [system] 'O'=(/)
   Fail: (194) [system] 'O'=(/)
^  Call: (194) [user] is_like_space('O')
   Call: (195) [system] char_type('O', 'white')
   Fail: (195) [system] char_type('O', 'white')
   Call: (195) [system] char_type('O', end_of_line)
   Fail: (195) [system] char_type('O', end_of_line)
   Call: (195) [system] char_type('O', space)
   Fail: (195) [system] char_type('O', space)
   Call: (195) [system] char_type('O', cntrl)
   Fail: (195) [system] char_type('O', cntrl)
^  Fail: (194) [user] is_like_space('O')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _184398)
   Exit: (193) [system] peek_char((0x55772f068e50), 'O')
   Call: (193) [system] 'O'=')'
   Fail: (193) [system] 'O'=')'
   Call: (193) [system] 'O'=end_of_file
   Fail: (193) [system] 'O'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _189968)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _191826)
   Exit: (195) [system] peek_char((0x55772f068e50), 'O')
   Call: (195) [system] 'O'=(;)
   Fail: (195) [system] 'O'=(;)
   Call: (195) [system] 'O'=(/)
   Fail: (195) [system] 'O'=(/)
^  Call: (195) [user] is_like_space('O')
   Call: (196) [system] char_type('O', 'white')
   Fail: (196) [system] char_type('O', 'white')
   Call: (196) [system] char_type('O', end_of_line)
   Fail: (196) [system] char_type('O', end_of_line)
   Call: (196) [system] char_type('O', space)
   Fail: (196) [system] char_type('O', space)
   Call: (196) [system] char_type('O', cntrl)
   Fail: (196) [system] char_type('O', cntrl)
^  Fail: (195) [user] is_like_space('O')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _207836)
   Exit: (194) [system] get_char((0x55772f068e50), 'O')
   Call: (194) [system] 'O'='('
   Fail: (194) [system] 'O'='('
   Call: (194) [system] 'O'='['
   Fail: (194) [system] 'O'='['
   Call: (194) [system] 'O'='{'
   Fail: (194) [system] 'O'='{'
   Call: (194) [system] 'O'='"'
   Fail: (194) [system] 'O'='"'
   Call: (194) [system] 'O'=!
   Fail: (194) [system] 'O'=!
   Call: (194) [system] 'O'='\''
   Fail: (194) [system] 'O'='\''
   Call: (194) [system] 'O'='`'
   Fail: (194) [system] 'O'='`'
   Call: (194) [system] 'O'=end_of_file
   Fail: (194) [system] 'O'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x55772f068e50), 'O', _189968)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _225478)
   Call: (196) [system] peek_char((0x55772f068e50), _226412)
   Exit: (196) [system] peek_char((0x55772f068e50), r)
^  Call: (196) [user] is_delimiter(r)
   Call: (197) [system] char_type(r, space)
   Fail: (197) [system] char_type(r, space)
   Call: (197) [system] arg(_231132, v('(', ')', end_of_file), r)
   Fail: (197) [system] arg(_232064, v('(', ')', end_of_file), r)
^  Fail: (196) [user] is_delimiter(r)
   Call: (196) [system] ')'==r
   Fail: (196) [system] ')'==r
   Call: (196) [system] get_char((0x55772f068e50), r)
   Exit: (196) [system] get_char((0x55772f068e50), r)
   Call: (196) [system] r=(\)
   Fail: (196) [system] r=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _239414)
   Call: (197) [system] peek_char((0x55772f068e50), _240348)
   Exit: (197) [system] peek_char((0x55772f068e50), 'L')
^  Call: (197) [user] is_delimiter('L')
   Call: (198) [system] char_type('L', space)
   Fail: (198) [system] char_type('L', space)
   Call: (198) [system] arg(_245068, v('(', ')', end_of_file), 'L')
   Fail: (198) [system] arg(_246000, v('(', ')', end_of_file), 'L')
^  Fail: (197) [user] is_delimiter('L')
   Call: (197) [system] ')'=='L'
   Fail: (197) [system] ')'=='L'
   Call: (197) [system] get_char((0x55772f068e50), 'L')
   Exit: (197) [system] get_char((0x55772f068e50), 'L')
   Call: (197) [system] 'L'=(\)
   Fail: (197) [system] 'L'=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _253350)
   Call: (198) [system] peek_char((0x55772f068e50), _254284)
   Exit: (198) [system] peek_char((0x55772f068e50), i)
^  Call: (198) [user] is_delimiter(i)
   Call: (199) [system] char_type(i, space)
   Fail: (199) [system] char_type(i, space)
   Call: (199) [system] arg(_259004, v('(', ')', end_of_file), i)
   Fail: (199) [system] arg(_259936, v('(', ')', end_of_file), i)
^  Fail: (198) [user] is_delimiter(i)
   Call: (198) [system] ')'==i
   Fail: (198) [system] ')'==i
   Call: (198) [system] get_char((0x55772f068e50), i)
   Exit: (198) [system] get_char((0x55772f068e50), i)
   Call: (198) [system] i=(\)
   Fail: (198) [system] i=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _267286)
   Call: (199) [system] peek_char((0x55772f068e50), _268220)
   Exit: (199) [system] peek_char((0x55772f068e50), n)
^  Call: (199) [user] is_delimiter(n)
   Call: (200) [system] char_type(n, space)
   Fail: (200) [system] char_type(n, space)
   Call: (200) [system] arg(_272940, v('(', ')', end_of_file), n)
   Fail: (200) [system] arg(_273872, v('(', ')', end_of_file), n)
^  Fail: (199) [user] is_delimiter(n)
   Call: (199) [system] ')'==n
   Fail: (199) [system] ')'==n
   Call: (199) [system] get_char((0x55772f068e50), n)
   Exit: (199) [system] get_char((0x55772f068e50), n)
   Call: (199) [system] n=(\)
   Fail: (199) [system] n=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _281222)
   Call: (200) [system] peek_char((0x55772f068e50), _282156)
   Exit: (200) [system] peek_char((0x55772f068e50), k)
^  Call: (200) [user] is_delimiter(k)
   Call: (201) [system] char_type(k, space)
   Fail: (201) [system] char_type(k, space)
   Call: (201) [system] arg(_286876, v('(', ')', end_of_file), k)
   Fail: (201) [system] arg(_287808, v('(', ')', end_of_file), k)
^  Fail: (200) [user] is_delimiter(k)
   Call: (200) [system] ')'==k
   Fail: (200) [system] ')'==k
   Call: (200) [system] get_char((0x55772f068e50), k)
   Exit: (200) [system] get_char((0x55772f068e50), k)
   Call: (200) [system] k=(\)
   Fail: (200) [system] k=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _295158)
   Call: (201) [system] peek_char((0x55772f068e50), _296092)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _295158=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (200) [system] _281222=[k]
   Exit: (200) [system] [k]=[k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (199) [system] _267286=[n, k]
   Exit: (199) [system] [n, k]=[n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (198) [system] _253350=[i, n, k]
   Exit: (198) [system] [i, n, k]=[i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (197) [system] _239414=['L', i, n, k]
   Exit: (197) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (196) [system] _225478=[r, 'L', i, n, k]
   Exit: (196) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _189968)
^  Call: (196) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _319346)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_320298, _320300), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _319346), _320280, fail)), '$restore_trace'(_320298, _320300))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_320298, _320300))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _319346), _320280, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_319346)
   Fail: (197) [system] atomic(_319346)
   Call: (197) [system] atom_chars(_319346, ['O', r, 'L', i, n, k])
   Exit: (197) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (196) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (196) [system] integer('OrLink')
   Fail: (196) [system] integer('OrLink')
   Call: (196) [system] _189968='OrLink'
   Exit: (196) [system] 'OrLink'='OrLink'
^  Exit: (195) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (194) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (193) [user] read_list(')', (0x55772f068e50), _334296)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _336154)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _345748)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _348452)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _365386)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _370956)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _372814)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _388824)
   Exit: (195) [system] get_char((0x55772f068e50), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x55772f068e50), $, _370956)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _406466)
   Call: (197) [system] peek_char((0x55772f068e50), _407400)
   Exit: (197) [system] peek_char((0x55772f068e50), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Fail: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_412120, v('(', ')', end_of_file), p)
   Fail: (198) [system] arg(_413052, v('(', ')', end_of_file), p)
^  Fail: (197) [user] is_delimiter(p)
   Call: (197) [system] ')'==p
   Fail: (197) [system] ')'==p
   Call: (197) [system] get_char((0x55772f068e50), p)
   Exit: (197) [system] get_char((0x55772f068e50), p)
   Call: (197) [system] p=(\)
   Fail: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _420402)
   Call: (198) [system] peek_char((0x55772f068e50), _421336)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _420402=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (197) [system] _406466=[p]
   Exit: (197) [system] [p]=[p]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [p])
^  Call: (196) [user] classify_and_convert_charseq([$, p], _370956)
^  Call: (197) [user] classify_and_convert_charseq_([$, p], _433414)
   Call: (198) [system] atom_chars(_434346, ['_', p])
   Exit: (198) [system] atom_chars('_p', ['_', p])
^  Exit: (197) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (197) [system] integer(_p)
   Fail: (197) [system] integer(_p)
   Call: (197) [system] _370956=_p
   Exit: (197) [system] _p=_p
^  Exit: (196) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (195) [user] read_symbolic(')', (0x55772f068e50), $, _p)
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), _p)
^  Call: (194) [user] read_list(')', (0x55772f068e50), _443638)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _445496)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _455090)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _457794)
   Exit: (197) [system] peek_char((0x55772f068e50), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _474728)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=')'
   Fail: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _480298)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _482156)
   Exit: (197) [system] peek_char((0x55772f068e50), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _498166)
   Exit: (196) [system] get_char((0x55772f068e50), $)
   Call: (196) [system] ($)='('
   Fail: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Fail: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Fail: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Fail: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Fail: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Fail: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Fail: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x55772f068e50), $, _480298)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _515808)
   Call: (198) [system] peek_char((0x55772f068e50), _516742)
   Exit: (198) [system] peek_char((0x55772f068e50), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Fail: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_521462, v('(', ')', end_of_file), q)
   Fail: (199) [system] arg(_522394, v('(', ')', end_of_file), q)
^  Fail: (198) [user] is_delimiter(q)
   Call: (198) [system] ')'==q
   Fail: (198) [system] ')'==q
   Call: (198) [system] get_char((0x55772f068e50), q)
   Exit: (198) [system] get_char((0x55772f068e50), q)
   Call: (198) [system] q=(\)
   Fail: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _529744)
   Call: (199) [system] peek_char((0x55772f068e50), _530678)
   Exit: (199) [system] peek_char((0x55772f068e50), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_535398, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _529744=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (198) [system] _515808=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [q])
^  Call: (197) [user] classify_and_convert_charseq([$, q], _480298)
^  Call: (198) [user] classify_and_convert_charseq_([$, q], _544628)
   Call: (199) [system] atom_chars(_545560, ['_', q])
   Exit: (199) [system] atom_chars('_q', ['_', q])
^  Exit: (198) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (198) [system] integer(_q)
   Fail: (198) [system] integer(_q)
   Call: (198) [system] _480298=_q
   Exit: (198) [system] _q=_q
^  Exit: (197) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x55772f068e50), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), _q)
^  Call: (195) [user] read_list(')', (0x55772f068e50), _554852)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _556710)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _572720)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x55772f068e50), _576510)
   Exit: (196) [system] get_char((0x55772f068e50), ')')
   Call: (196) [system] _554852=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [])
   Call: (195) [system] _443638=[_q]
   Exit: (195) [system] [_q]=[_q]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [_q])
   Call: (194) [system] _334296=[_p, _q]
   Exit: (194) [system] [_p, _q]=[_p, _q]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [_p, _q])
   Call: (193) [system] _144950=['OrLink', _p, _q]
   Exit: (193) [system] ['OrLink', _p, _q]=['OrLink', _p, _q]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), ['OrLink', _p, _q])
^  Exit: (191) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', _p, _q])
^  Call: (191) [user] read_list(')', (0x55772f068e50), _590392)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _592250)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _601844)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _604548)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _621482)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _627052)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _628910)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _644920)
   Exit: (193) [system] get_char((0x55772f068e50), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x55772f068e50), _627052)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _650490)
   Exit: (195) [system] peek_char((0x55772f068e50), 'N')
   Call: (195) [system] 'N'=(;)
   Fail: (195) [system] 'N'=(;)
   Call: (195) [system] 'N'=(/)
   Fail: (195) [system] 'N'=(/)
^  Call: (195) [user] is_like_space('N')
   Call: (196) [system] char_type('N', 'white')
   Fail: (196) [system] char_type('N', 'white')
   Call: (196) [system] char_type('N', end_of_line)
   Fail: (196) [system] char_type('N', end_of_line)
   Call: (196) [system] char_type('N', space)
   Fail: (196) [system] char_type('N', space)
   Call: (196) [system] char_type('N', cntrl)
   Fail: (196) [system] char_type('N', cntrl)
^  Fail: (195) [user] is_like_space('N')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _666500)
   Exit: (194) [system] peek_char((0x55772f068e50), 'N')
   Call: (194) [system] 'N'=')'
   Fail: (194) [system] 'N'=')'
   Call: (194) [system] 'N'=end_of_file
   Fail: (194) [system] 'N'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _672070)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _673928)
   Exit: (196) [system] peek_char((0x55772f068e50), 'N')
   Call: (196) [system] 'N'=(;)
   Fail: (196) [system] 'N'=(;)
   Call: (196) [system] 'N'=(/)
   Fail: (196) [system] 'N'=(/)
^  Call: (196) [user] is_like_space('N')
   Call: (197) [system] char_type('N', 'white')
   Fail: (197) [system] char_type('N', 'white')
   Call: (197) [system] char_type('N', end_of_line)
   Fail: (197) [system] char_type('N', end_of_line)
   Call: (197) [system] char_type('N', space)
   Fail: (197) [system] char_type('N', space)
   Call: (197) [system] char_type('N', cntrl)
   Fail: (197) [system] char_type('N', cntrl)
^  Fail: (196) [user] is_like_space('N')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _689938)
   Exit: (195) [system] get_char((0x55772f068e50), 'N')
   Call: (195) [system] 'N'='('
   Fail: (195) [system] 'N'='('
   Call: (195) [system] 'N'='['
   Fail: (195) [system] 'N'='['
   Call: (195) [system] 'N'='{'
   Fail: (195) [system] 'N'='{'
   Call: (195) [system] 'N'='"'
   Fail: (195) [system] 'N'='"'
   Call: (195) [system] 'N'=!
   Fail: (195) [system] 'N'=!
   Call: (195) [system] 'N'='\''
   Fail: (195) [system] 'N'='\''
   Call: (195) [system] 'N'='`'
   Fail: (195) [system] 'N'='`'
   Call: (195) [system] 'N'=end_of_file
   Fail: (195) [system] 'N'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x55772f068e50), 'N', _672070)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _707580)
   Call: (197) [system] peek_char((0x55772f068e50), _708514)
   Exit: (197) [system] peek_char((0x55772f068e50), o)
^  Call: (197) [user] is_delimiter(o)
   Call: (198) [system] char_type(o, space)
   Fail: (198) [system] char_type(o, space)
   Call: (198) [system] arg(_713234, v('(', ')', end_of_file), o)
   Fail: (198) [system] arg(_714166, v('(', ')', end_of_file), o)
^  Fail: (197) [user] is_delimiter(o)
   Call: (197) [system] ')'==o
   Fail: (197) [system] ')'==o
   Call: (197) [system] get_char((0x55772f068e50), o)
   Exit: (197) [system] get_char((0x55772f068e50), o)
   Call: (197) [system] o=(\)
   Fail: (197) [system] o=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _721516)
   Call: (198) [system] peek_char((0x55772f068e50), _722450)
   Exit: (198) [system] peek_char((0x55772f068e50), t)
^  Call: (198) [user] is_delimiter(t)
   Call: (199) [system] char_type(t, space)
   Fail: (199) [system] char_type(t, space)
   Call: (199) [system] arg(_727170, v('(', ')', end_of_file), t)
   Fail: (199) [system] arg(_728102, v('(', ')', end_of_file), t)
^  Fail: (198) [user] is_delimiter(t)
   Call: (198) [system] ')'==t
   Fail: (198) [system] ')'==t
   Call: (198) [system] get_char((0x55772f068e50), t)
   Exit: (198) [system] get_char((0x55772f068e50), t)
   Call: (198) [system] t=(\)
   Fail: (198) [system] t=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _735452)
   Call: (199) [system] peek_char((0x55772f068e50), _736386)
   Exit: (199) [system] peek_char((0x55772f068e50), 'L')
^  Call: (199) [user] is_delimiter('L')
   Call: (200) [system] char_type('L', space)
   Fail: (200) [system] char_type('L', space)
   Call: (200) [system] arg(_741106, v('(', ')', end_of_file), 'L')
   Fail: (200) [system] arg(_742038, v('(', ')', end_of_file), 'L')
^  Fail: (199) [user] is_delimiter('L')
   Call: (199) [system] ')'=='L'
   Fail: (199) [system] ')'=='L'
   Call: (199) [system] get_char((0x55772f068e50), 'L')
   Exit: (199) [system] get_char((0x55772f068e50), 'L')
   Call: (199) [system] 'L'=(\)
   Fail: (199) [system] 'L'=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _749388)
   Call: (200) [system] peek_char((0x55772f068e50), _750322)
   Exit: (200) [system] peek_char((0x55772f068e50), i)
^  Call: (200) [user] is_delimiter(i)
   Call: (201) [system] char_type(i, space)
   Fail: (201) [system] char_type(i, space)
   Call: (201) [system] arg(_755042, v('(', ')', end_of_file), i)
   Fail: (201) [system] arg(_755974, v('(', ')', end_of_file), i)
^  Fail: (200) [user] is_delimiter(i)
   Call: (200) [system] ')'==i
   Fail: (200) [system] ')'==i
   Call: (200) [system] get_char((0x55772f068e50), i)
   Exit: (200) [system] get_char((0x55772f068e50), i)
   Call: (200) [system] i=(\)
   Fail: (200) [system] i=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _763324)
   Call: (201) [system] peek_char((0x55772f068e50), _764258)
   Exit: (201) [system] peek_char((0x55772f068e50), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_768978, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_769910, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x55772f068e50), n)
   Exit: (201) [system] get_char((0x55772f068e50), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _777260)
   Call: (202) [system] peek_char((0x55772f068e50), _778194)
   Exit: (202) [system] peek_char((0x55772f068e50), k)
^  Call: (202) [user] is_delimiter(k)
   Call: (203) [system] char_type(k, space)
   Fail: (203) [system] char_type(k, space)
   Call: (203) [system] arg(_782914, v('(', ')', end_of_file), k)
   Fail: (203) [system] arg(_783846, v('(', ')', end_of_file), k)
^  Fail: (202) [user] is_delimiter(k)
   Call: (202) [system] ')'==k
   Fail: (202) [system] ')'==k
   Call: (202) [system] get_char((0x55772f068e50), k)
   Exit: (202) [system] get_char((0x55772f068e50), k)
   Call: (202) [system] k=(\)
   Fail: (202) [system] k=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _791196)
   Call: (203) [system] peek_char((0x55772f068e50), _792130)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _791196=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (202) [system] _777260=[k]
   Exit: (202) [system] [k]=[k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (201) [system] _763324=[n, k]
   Exit: (201) [system] [n, k]=[n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (200) [system] _749388=[i, n, k]
   Exit: (200) [system] [i, n, k]=[i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (199) [system] _735452=['L', i, n, k]
   Exit: (199) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (198) [system] _721516=[t, 'L', i, n, k]
   Exit: (198) [system] [t, 'L', i, n, k]=[t, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [t, 'L', i, n, k])
   Call: (197) [system] _707580=[o, t, 'L', i, n, k]
   Exit: (197) [system] [o, t, 'L', i, n, k]=[o, t, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [o, t, 'L', i, n, k])
^  Call: (196) [user] classify_and_convert_charseq(['N', o, t, 'L', i, n, k], _672070)
^  Call: (197) [user] classify_and_convert_charseq_(['N', o, t, 'L', i, n, k], _818178)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_819130, _819132), once(user:catch(read_from_chars(['N', o, t, 'L', i, n, k], _818178), _819112, fail)), '$restore_trace'(_819130, _819132))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_819130, _819132))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['N', o, t, 'L', i, n, k], _818178), _819112, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_818178)
   Fail: (198) [system] atomic(_818178)
   Call: (198) [system] atom_chars(_818178, ['N', o, t, 'L', i, n, k])
   Exit: (198) [system] atom_chars('NotLink', ['N', o, t, 'L', i, n, k])
^  Exit: (197) [user] classify_and_convert_charseq_(['N', o, t, 'L', i, n, k], 'NotLink')
   Call: (197) [system] integer('NotLink')
   Fail: (197) [system] integer('NotLink')
   Call: (197) [system] _672070='NotLink'
   Exit: (197) [system] 'NotLink'='NotLink'
^  Exit: (196) [user] classify_and_convert_charseq(['N', o, t, 'L', i, n, k], 'NotLink')
^  Exit: (195) [user] read_symbolic(')', (0x55772f068e50), 'N', 'NotLink')
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), 'NotLink')
^  Call: (194) [user] read_list(')', (0x55772f068e50), _833128)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _834986)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _844580)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _847284)
   Exit: (197) [system] peek_char((0x55772f068e50), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _864218)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=')'
   Fail: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _869788)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _871646)
   Exit: (197) [system] peek_char((0x55772f068e50), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _887656)
   Exit: (196) [system] get_char((0x55772f068e50), $)
   Call: (196) [system] ($)='('
   Fail: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Fail: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Fail: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Fail: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Fail: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Fail: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Fail: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x55772f068e50), $, _869788)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _905298)
   Call: (198) [system] peek_char((0x55772f068e50), _906232)
   Exit: (198) [system] peek_char((0x55772f068e50), p)
^  Call: (198) [user] is_delimiter(p)
   Call: (199) [system] char_type(p, space)
   Fail: (199) [system] char_type(p, space)
   Call: (199) [system] arg(_910952, v('(', ')', end_of_file), p)
   Fail: (199) [system] arg(_911884, v('(', ')', end_of_file), p)
^  Fail: (198) [user] is_delimiter(p)
   Call: (198) [system] ')'==p
   Fail: (198) [system] ')'==p
   Call: (198) [system] get_char((0x55772f068e50), p)
   Exit: (198) [system] get_char((0x55772f068e50), p)
   Call: (198) [system] p=(\)
   Fail: (198) [system] p=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _919234)
   Call: (199) [system] peek_char((0x55772f068e50), _920168)
   Exit: (199) [system] peek_char((0x55772f068e50), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_924888, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _919234=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (198) [system] _905298=[p]
   Exit: (198) [system] [p]=[p]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [p])
^  Call: (197) [user] classify_and_convert_charseq([$, p], _869788)
^  Call: (198) [user] classify_and_convert_charseq_([$, p], _934118)
   Call: (199) [system] atom_chars(_935050, ['_', p])
   Exit: (199) [system] atom_chars('_p', ['_', p])
^  Exit: (198) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (198) [system] integer(_p)
   Fail: (198) [system] integer(_p)
   Call: (198) [system] _869788=_p
   Exit: (198) [system] _p=_p
^  Exit: (197) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (196) [user] read_symbolic(')', (0x55772f068e50), $, _p)
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), _p)
^  Call: (195) [user] read_list(')', (0x55772f068e50), _944342)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _946200)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _962210)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x55772f068e50), _966000)
   Exit: (196) [system] get_char((0x55772f068e50), ')')
   Call: (196) [system] _944342=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [])
   Call: (195) [system] _833128=[_p]
   Exit: (195) [system] [_p]=[_p]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [_p])
   Call: (194) [system] _627052=['NotLink', _p]
   Exit: (194) [system] ['NotLink', _p]=['NotLink', _p]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), ['NotLink', _p])
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), ['NotLink', _p])
^  Call: (192) [user] read_list(')', (0x55772f068e50), _977088)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _978946)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _988540)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _991244)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1008178)
   Exit: (193) [system] peek_char((0x55772f068e50), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _1013748)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1015606)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _1031616)
   Exit: (194) [system] get_char((0x55772f068e50), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x55772f068e50), $, _1013748)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _1049258)
   Call: (196) [system] peek_char((0x55772f068e50), _1050192)
   Exit: (196) [system] peek_char((0x55772f068e50), q)
^  Call: (196) [user] is_delimiter(q)
   Call: (197) [system] char_type(q, space)
   Fail: (197) [system] char_type(q, space)
   Call: (197) [system] arg(_1054912, v('(', ')', end_of_file), q)
   Fail: (197) [system] arg(_1055844, v('(', ')', end_of_file), q)
^  Fail: (196) [user] is_delimiter(q)
   Call: (196) [system] ')'==q
   Fail: (196) [system] ')'==q
   Call: (196) [system] get_char((0x55772f068e50), q)
   Exit: (196) [system] get_char((0x55772f068e50), q)
   Call: (196) [system] q=(\)
   Fail: (196) [system] q=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1063194)
   Call: (197) [system] peek_char((0x55772f068e50), _1064128)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_1068848, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _1063194=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (196) [system] _1049258=[q]
   Exit: (196) [system] [q]=[q]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [q])
^  Call: (195) [user] classify_and_convert_charseq([$, q], _1013748)
^  Call: (196) [user] classify_and_convert_charseq_([$, q], _1078078)
   Call: (197) [system] atom_chars(_1079010, ['_', q])
   Exit: (197) [system] atom_chars('_q', ['_', q])
^  Exit: (196) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (196) [system] integer(_q)
   Fail: (196) [system] integer(_q)
   Call: (196) [system] _1013748=_q
   Exit: (196) [system] _q=_q
^  Exit: (195) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (194) [user] read_symbolic(')', (0x55772f068e50), $, _q)
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), _q)
^  Call: (193) [user] read_list(')', (0x55772f068e50), _1088302)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1090160)
   Exit: (195) [system] peek_char((0x55772f068e50), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1106170)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x55772f068e50), _1109960)
   Exit: (194) [system] get_char((0x55772f068e50), ')')
   Call: (194) [system] _1088302=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [])
   Call: (193) [system] _977088=[_q]
   Exit: (193) [system] [_q]=[_q]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [_q])
   Call: (192) [system] _590392=[['NotLink', _p], _q]
   Exit: (192) [system] [['NotLink', _p], _q]=[['NotLink', _p], _q]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [['NotLink', _p], _q])
   Call: (191) [system] _108290=[['OrLink', _p, _q], ['NotLink', _p], _q]
   Exit: (191) [system] [['OrLink', _p, _q], ['NotLink', _p], _q]=[['OrLink', _p, _q], ['NotLink', _p], _q]
^  Exit: (190) [user] read_list(')', (0x55772f068e50), [['OrLink', _p, _q], ['NotLink', _p], _q])
   Call: (190) [system] _3396=[->, ['OrLink', _p, _q], ['NotLink', _p], _q]
   Exit: (190) [system] [->, ['OrLink', _p, _q], ['NotLink', _p], _q]=[->, ['OrLink', _p, _q], ['NotLink', _p], _q]
^  Exit: (189) [user] read_list(')', (0x55772f068e50), [->, ['OrLink', _p, _q], ['NotLink', _p], _q])
^  Exit: (188) [user] cont_sexpr(')', (0x55772f068e50), [->, ['OrLink', _p, _q], ['NotLink', _p], _q])
^  Call: (188) [user] read_list(')', (0x55772f068e50), _1126636)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1128494)
   Exit: (190) [system] peek_char((0x55772f068e50), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1144504)
   Exit: (189) [system] peek_char((0x55772f068e50), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x55772f068e50), _1148294)
   Exit: (189) [system] get_char((0x55772f068e50), ')')
   Call: (189) [system] _1126636=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [])
   Call: (188) [system] _3392=[[->, ['OrLink', _p, _q], ['NotLink', _p], _q]]
   Exit: (188) [system] [[->, ['OrLink', _p, _q], ['NotLink', _p], _q]]=[[->, ['OrLink', _p, _q], ['NotLink', _p], _q]]
^  Exit: (187) [user] read_list(')', (0x55772f068e50), [[->, ['OrLink', _p, _q], ['NotLink', _p], _q]])
   Call: (187) [system] _3386=['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]
   Exit: (187) [system] ['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]=['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]
^  Exit: (186) [user] read_list(')', (0x55772f068e50), ['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]])
   Call: (186) [system] _3378=[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]
   Exit: (186) [system] [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]=[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]])
^  Exit: (184) [user] cont_sexpr(')', (0x55772f068e50), [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]])
^  Call: (184) [user] read_list(')', (0x55772f068e50), _1162176)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1164034)
   Exit: (186) [system] peek_char((0x55772f068e50), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1180044)
   Exit: (185) [system] peek_char((0x55772f068e50), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x55772f068e50), _1183834)
   Exit: (185) [system] get_char((0x55772f068e50), ')')
   Call: (185) [system] _1162176=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [])
   Call: (184) [system] _3374=[[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]
   Exit: (184) [system] [[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]=[[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]
^  Exit: (183) [user] read_list(')', (0x55772f068e50), [[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]])
   Call: (183) [system] _3362=[[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]
   Exit: (183) [system] [[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]=[[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]
^  Exit: (182) [user] read_list(')', (0x55772f068e50), [[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]])
   Call: (182) [system] _3322=[=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]
   Exit: (182) [system] [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]=[=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]
^  Exit: (181) [user] read_list(')', (0x55772f068e50), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]])
^  Exit: (180) [user] cont_sexpr(')', (0x55772f068e50), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]])
^  Exit: (179) [user] read_sexpr((0x55772f068e50), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]])
^  Call: (179) [user] assertz(metta_file_comment(112, 0, 4526, [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]], '$stream_position'(4526, 112, 0, 4526)))
^  Exit: (179) [user] assertz(metta_file_comment(112, 0, 4526, [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]], '$stream_position'(4526, 112, 0, 4526)))
^  Exit: (177) [system] once(user:(read_position((0x55772f068e50), 112, 0, 4526, '$stream_position'(4526, 112, 0, 4526)), read_sexpr((0x55772f068e50), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]), assertz(metta_file_comment(112, 0, 4526, [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]], '$stream_position'(4526, 112, 0, 4526)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1202352, _1202354, _1202356, _1202358, _1202360))
^  Exit: (177) [user] retract(metta_file_comment(54, 0, 1783, '$COMMENT'(";; Unary rule", 54, 0), '$stream_position'(1783, 54, 0, 1783)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Unary rule", 54, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";; Unary rule", 54, 0), _1205186))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";; Unary rule", 54, 0), _1205186)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";; Unary rule", 54, 0), _1205186)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; Unary rule", 54, 0), _1208002))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; Unary rule", 54, 0), _1208002))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Unary rule", 54, 0), _1208002)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";; Unary rule", 54, 0), _1210802))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";; Unary rule", 54, 0), _1210802)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";; Unary rule", 54, 0), _1210802)
   Call: (187) [system] var('$COMMENT'(";; Unary rule", 54, 0))
   Call: (187) [system] atom('$COMMENT'(";; Unary rule", 54, 0))
   Call: (187) [system] '$COMMENT'(";; Unary rule", 54, 0)==true
   Call: (187) [system] '$COMMENT'(";; Unary rule", 54, 0)==false
   Call: (187) [system] '$COMMENT'(";; Unary rule", 54, 0)==[_1217322, _1217328]
   Call: (187) [system] is_list('$COMMENT'(";; Unary rule", 54, 0))
   Call: (187) [system] string('$COMMENT'(";; Unary rule", 54, 0))
   Call: (187) [system] compound('$COMMENT'(";; Unary rule", 54, 0))
   Exit: (187) [system] compound('$COMMENT'(";; Unary rule", 54, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";; Unary rule", 54, 0), _1221956, _1221958)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Unary rule", 54, 0), '$COMMENT', [";; Unary rule", 54, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";; Unary rule", 54, 0], _1225698)
   Call: (188) [apply] apply:maplist_([";; Unary rule", 54, 0], _1225698, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";; Unary rule", _1227578)
   Call: (190) [system] var(";; Unary rule")
   Call: (190) [system] atom(";; Unary rule")
   Call: (190) [system] ";; Unary rule"==true
   Call: (190) [system] ";; Unary rule"==false
   Call: (190) [system] ";; Unary rule"==[_1232220, _1232226]
   Call: (190) [system] is_list(";; Unary rule")
   Call: (190) [system] string(";; Unary rule")
   Exit: (190) [system] string(";; Unary rule")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";; Unary rule")
^  Call: (190) [user] symbol(";; Unary rule")
   Call: (191) [system] atom(";; Unary rule")
   Fail: (191) [system] atom(";; Unary rule")
^  Fail: (190) [user] symbol(";; Unary rule")
   Call: (190) [system] ";; Unary rule"=_1227578
   Exit: (190) [system] ";; Unary rule"=";; Unary rule"
^  Exit: (189) [user] mfix_vars1(";; Unary rule", ";; Unary rule")
   Call: (189) [apply] apply:maplist_([54, 0], _1227580, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(54, _1246100)
   Call: (191) [system] var(54)
   Call: (191) [system] atom(54)
   Call: (191) [system] 54==true
   Call: (191) [system] 54==false
   Call: (191) [system] 54==[_1250742, _1250748]
   Call: (191) [system] is_list(54)
   Call: (191) [system] string(54)
   Call: (191) [system] compound(54)
^  Call: (191) [user] symbol(54)
   Call: (192) [system] atom(54)
   Fail: (192) [system] atom(54)
^  Fail: (191) [user] symbol(54)
   Call: (191) [system] 54=_1246100
   Exit: (191) [system] 54=54
^  Exit: (190) [user] mfix_vars1(54, 54)
   Call: (190) [apply] apply:maplist_([0], _1246102, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _1261866)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_1266508, _1266514]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_1261866
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _1261868, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([54, 0], [54, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";; Unary rule", 54, 0], [";; Unary rule", 54, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";; Unary rule", 54, 0], [";; Unary rule", 54, 0])
   Call: (187) [system] compound_name_arguments(_1210802, '$COMMENT', [";; Unary rule", 54, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Unary rule", 54, 0), '$COMMENT', [";; Unary rule", 54, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";; Unary rule", 54, 0), '$COMMENT'(";; Unary rule", 54, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";; Unary rule", 54, 0), '$COMMENT'(";; Unary rule", 54, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";; Unary rule", 54, 0), '$COMMENT'(";; Unary rule", 54, 0)))
   Call: (184) [system] '$COMMENT'(";; Unary rule", 54, 0)\=@='$COMMENT'(";; Unary rule", 54, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Unary rule", 54, 0), '$COMMENT'(";; Unary rule", 54, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; Unary rule", 54, 0), '$COMMENT'(";; Unary rule", 54, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; Unary rule", 54, 0), '$COMMENT'(";; Unary rule", 54, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; Unary rule", 54, 0), _1290684))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";; Unary rule", 54, 0), _1290684))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";; Unary rule", 54, 0), _1290684)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";; Unary rule", 54, 0), _1293484))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";; Unary rule", 54, 0), _1293484)
^  Call: (186) [user] cons_to_c('$COMMENT'(";; Unary rule", 54, 0), _1293484)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";; Unary rule", 54, 0), '$COMMENT'(";; Unary rule", 54, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";; Unary rule", 54, 0), '$COMMENT'(";; Unary rule", 54, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";; Unary rule", 54, 0), '$COMMENT'(";; Unary rule", 54, 0)))
   Call: (184) [system] '$COMMENT'(";; Unary rule", 54, 0)\=@='$COMMENT'(";; Unary rule", 54, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";; Unary rule", 54, 0), '$COMMENT'(";; Unary rule", 54, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";; Unary rule", 54, 0), '$COMMENT'(";; Unary rule", 54, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; Unary rule", 54, 0), '$COMMENT'(";; Unary rule", 54, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; Unary rule", 54, 0), _1205186))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";; Unary rule", 54, 0), _1205186))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";; Unary rule", 54, 0), _1205186)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";; Unary rule", 54, 0), _1307442))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";; Unary rule", 54, 0), _1307442)
^  Call: (186) [user] cons_to_l('$COMMENT'(";; Unary rule", 54, 0), _1307442)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";; Unary rule", 54, 0), '$COMMENT'(";; Unary rule", 54, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";; Unary rule", 54, 0), '$COMMENT'(";; Unary rule", 54, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";; Unary rule", 54, 0), '$COMMENT'(";; Unary rule", 54, 0)))
   Call: (184) [system] '$COMMENT'(";; Unary rule", 54, 0)\=@='$COMMENT'(";; Unary rule", 54, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";; Unary rule", 54, 0), '$COMMENT'(";; Unary rule", 54, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";; Unary rule", 54, 0), '$COMMENT'(";; Unary rule", 54, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; Unary rule", 54, 0), '$COMMENT'(";; Unary rule", 54, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";; Unary rule", 54, 0), '$COMMENT'(";; Unary rule", 54, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";; Unary rule", 54, 0), '$COMMENT'(";; Unary rule", 54, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; Unary rule", 54, 0), '$COMMENT'(";; Unary rule", 54, 0)))
   Call: (178) [system] '$COMMENT'(";; Unary rule", 54, 0)\=@='$COMMENT'(";; Unary rule", 54, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Unary rule", 54, 0), '$COMMENT'(";; Unary rule", 54, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; Unary rule", 54, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; Unary rule", 54, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; Unary rule", 54, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";; Unary rule", 54, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";; Unary rule", 54, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; Unary rule", 54, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; Unary rule", 54, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; Unary rule", 54, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";; Unary rule", 54, 0))
^  Exit: (171) [user] read_sform((0x55772f068e50), '$COMMENT'(";; Unary rule", 54, 0))
^  Exit: (170) [system] once(user:read_sform((0x55772f068e50), '$COMMENT'(";; Unary rule", 54, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x55772f068e50), '$COMMENT'(";; Unary rule", 54, 0)))
   Call: (169) [system] '$COMMENT'(";; Unary rule", 54, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; Unary rule", 54, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Unary rule", 54, 0)), 111]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; Unary rule", 54, 0), me_synthesize_1727481849_9551582, 111)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Unary rule", 54, 0)), 111]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727481860.2126954)
   Call: (173) [system] arg(1, t(1727481858.222791), _3148)
   Exit: (173) [system] arg(1, t(1727481858.222791), 1727481858.222791)
   Call: (173) [system] _3158 is 1727481860.2126954-1727481858.222791
   Exit: (173) [system] 1.9899044036865234 is 1727481860.2126954-1727481858.222791
   Call: (173) [system] 1.9899044036865234>4
   Fail: (173) [system] 1.9899044036865234>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Unary rule", 54, 0)), 111]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 19)
   Call: (175) [system] atom(19+1)
   Call: (175) [system] set_flag(translated_forms, 20)
   Exit: (175) [system] set_flag(translated_forms, 20)
   Exit: (174) [$syspreds] update_flag(translated_forms, 19, 19+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 19, 19+1))
   Exit: (171) [$syspreds] flag(translated_forms, 19, 19+1)
^  Call: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; Unary rule", 54, 0), me_synthesize_1727481849_9551582, 111)
^  Call: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";; Unary rule"])
^  Exit: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";; Unary rule"])
^  Exit: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; Unary rule", 54, 0), me_synthesize_1727481849_9551582, 111)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Unary rule", 54, 0)), 111]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 19, 19+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; Unary rule", 54, 0), me_synthesize_1727481849_9551582, 111)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x55772f068e50))
   Fail: (169) [system] at_end_of_stream((0x55772f068e50))
^  Call: (169) [user] must_det_ll(line_count((0x55772f068e50), _3074))
^  Call: (170) [user] once(user:line_count((0x55772f068e50), _3074))
   Call: (171) [system] line_count((0x55772f068e50), _3074)
   Exit: (171) [system] line_count((0x55772f068e50), 112)
^  Exit: (170) [system] once(user:line_count((0x55772f068e50), 112))
^  Exit: (169) [user] must_det_ll(user:line_count((0x55772f068e50), 112))
^  Call: (169) [user] must_det_ll(read_sform((0x55772f068e50), _3084))
^  Call: (170) [user] once(user:read_sform((0x55772f068e50), _3084))
^  Call: (171) [user] read_sform((0x55772f068e50), _3084)
   Call: (172) [system] string((0x55772f068e50))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (173) [system] string((0x55772f068e50))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (174) [system] at_end_of_stream((0x55772f068e50))
   Call: (174) [system] peek_char((0x55772f068e50), _1382226)
   Exit: (174) [system] peek_char((0x55772f068e50), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x55772f068e50), '\n')
   Exit: (174) [system] get_char((0x55772f068e50), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), _3084)
   Call: (175) [system] at_end_of_stream((0x55772f068e50))
   Call: (175) [system] peek_char((0x55772f068e50), _1389648)
   Exit: (175) [system] peek_char((0x55772f068e50), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (176) [system] string((0x55772f068e50))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (177) [system] at_end_of_stream((0x55772f068e50))
   Call: (177) [system] peek_char((0x55772f068e50), _1397986)
   Exit: (177) [system] peek_char((0x55772f068e50), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _1400772=(0x55772f068e50)
   Exit: (177) [system] (0x55772f068e50)=(0x55772f068e50)
^  Call: (177) [user] once((read_position((0x55772f068e50), _1402640, _1402642, _1402644, _1402646), read_sexpr((0x55772f068e50), _1402658), assertz(metta_file_comment(_1402640, _1402642, _1402644, _1402658, _1402646))))
^  Call: (179) [user] read_position((0x55772f068e50), _1402640, _1402642, _1402644, _1402646)
   Call: (180) [system] stream_property((0x55772f068e50), position(_1402646))
   Call: (181) [system] nonvar((0x55772f068e50))
   Exit: (181) [system] nonvar((0x55772f068e50))
   Call: (181) [system] nonvar(position(_1402646))
   Exit: (181) [system] nonvar(position(_1402646))
   Exit: (180) [system] stream_property((0x55772f068e50), position('$stream_position'(4596, 113, 0, 4596)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4596, 113, 0, 4596), _1402640)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1412898)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4596, 113, 0, 4596), _1402640)
   Exit: (181) [system] arg(2, '$stream_position'(4596, 113, 0, 4596), 113)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4596, 113, 0, 4596), 113)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4596, 113, 0, 4596), _1402642)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1420332)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4596, 113, 0, 4596), _1402642)
   Exit: (181) [system] arg(3, '$stream_position'(4596, 113, 0, 4596), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4596, 113, 0, 4596), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4596, 113, 0, 4596), _1402644)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1427766)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4596, 113, 0, 4596), _1402644)
   Exit: (181) [system] arg(1, '$stream_position'(4596, 113, 0, 4596), 4596)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4596, 113, 0, 4596), 4596)
^  Exit: (179) [user] read_position((0x55772f068e50), 113, 0, 4596, '$stream_position'(4596, 113, 0, 4596))
^  Call: (179) [user] read_sexpr((0x55772f068e50), _1402658)
   Call: (180) [system] string((0x55772f068e50))
   Fail: (180) [system] string((0x55772f068e50))
^  Call: (180) [user] cont_sexpr(')', (0x55772f068e50), _1402658)
^  Call: (181) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _1437992)
   Exit: (182) [system] peek_char((0x55772f068e50), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x55772f068e50))
   Call: (181) [system] get_char((0x55772f068e50), _1454002)
   Exit: (181) [system] get_char((0x55772f068e50), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x55772f068e50), _1402658)
^  Call: (182) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _1459572)
   Exit: (183) [system] peek_char((0x55772f068e50), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _1475582)
   Exit: (182) [system] peek_char((0x55772f068e50), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x55772f068e50), _1481152)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _1483010)
   Exit: (184) [system] peek_char((0x55772f068e50), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] get_char((0x55772f068e50), _1499020)
   Exit: (183) [system] get_char((0x55772f068e50), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x55772f068e50), =, _1481152)
^  Call: (184) [user] read_symbolic_cont(')', (0x55772f068e50), _1516662)
   Call: (185) [system] peek_char((0x55772f068e50), _1517596)
   Exit: (185) [system] peek_char((0x55772f068e50), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1516662=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _1481152)
^  Call: (185) [user] classify_and_convert_charseq_([=], _1526880)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_1527832, _1527834), once(user:catch(read_from_chars([=], _1526880), _1527814, fail)), '$restore_trace'(_1527832, _1527834))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_1527832, _1527834))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1527814, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _1481152=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x55772f068e50), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x55772f068e50), =)
^  Call: (182) [user] read_list(')', (0x55772f068e50), _1539960)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _1541818)
   Exit: (184) [system] peek_char((0x55772f068e50), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x55772f068e50), _1551412)
   Exit: (184) [system] get_char((0x55772f068e50), ' ')
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1554116)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _1571050)
   Exit: (183) [system] peek_char((0x55772f068e50), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x55772f068e50), _1576620)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1578478)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] get_char((0x55772f068e50), _1594488)
   Exit: (184) [system] get_char((0x55772f068e50), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x55772f068e50), _1576620)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1600058)
   Exit: (186) [system] peek_char((0x55772f068e50), r)
   Call: (186) [system] r=(;)
   Fail: (186) [system] r=(;)
   Call: (186) [system] r=(/)
   Fail: (186) [system] r=(/)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Fail: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Fail: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Fail: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
   Fail: (187) [system] char_type(r, cntrl)
^  Fail: (186) [user] is_like_space(r)
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1616068)
   Exit: (185) [system] peek_char((0x55772f068e50), r)
   Call: (185) [system] r=')'
   Fail: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
   Fail: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x55772f068e50), _1621638)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1623496)
   Exit: (187) [system] peek_char((0x55772f068e50), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
   Call: (187) [system] r=(/)
   Fail: (187) [system] r=(/)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] get_char((0x55772f068e50), _1639506)
   Exit: (186) [system] get_char((0x55772f068e50), r)
   Call: (186) [system] r='('
   Fail: (186) [system] r='('
   Call: (186) [system] r='['
   Fail: (186) [system] r='['
   Call: (186) [system] r='{'
   Fail: (186) [system] r='{'
   Call: (186) [system] r='"'
   Fail: (186) [system] r='"'
   Call: (186) [system] r=!
   Fail: (186) [system] r=!
   Call: (186) [system] r='\''
   Fail: (186) [system] r='\''
   Call: (186) [system] r='`'
   Fail: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
   Fail: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x55772f068e50), r, _1621638)
^  Call: (187) [user] read_symbolic_cont(')', (0x55772f068e50), _1657148)
   Call: (188) [system] peek_char((0x55772f068e50), _1658082)
   Exit: (188) [system] peek_char((0x55772f068e50), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_1662802, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_1663734, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x55772f068e50), b)
   Exit: (188) [system] get_char((0x55772f068e50), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _1671084)
   Call: (189) [system] peek_char((0x55772f068e50), _1672018)
   Exit: (189) [system] peek_char((0x55772f068e50), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_1676738, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _1671084=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (188) [system] _1657148=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
^  Call: (187) [user] classify_and_convert_charseq([r, b], _1621638)
^  Call: (188) [user] classify_and_convert_charseq_([r, b], _1685968)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1686920, _1686922), once(user:catch(read_from_chars([r, b], _1685968), _1686902, fail)), '$restore_trace'(_1686920, _1686922))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1686920, _1686922))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _1686902, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(rb)
   Exit: (189) [system] atomic(rb)
^  Exit: (188) [user] classify_and_convert_charseq_([r, b], rb)
   Call: (188) [system] integer(rb)
   Fail: (188) [system] integer(rb)
   Call: (188) [system] _1621638=rb
   Exit: (188) [system] rb=rb
^  Exit: (187) [user] classify_and_convert_charseq([r, b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x55772f068e50), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x55772f068e50), rb)
^  Call: (185) [user] read_list(')', (0x55772f068e50), _1699048)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1700906)
   Exit: (187) [system] peek_char((0x55772f068e50), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1716916)
   Exit: (186) [system] peek_char((0x55772f068e50), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x55772f068e50), _1720706)
   Exit: (186) [system] get_char((0x55772f068e50), ')')
   Call: (186) [system] _1699048=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [])
   Call: (185) [system] _1576620=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x55772f068e50), [rb])
^  Call: (183) [user] read_list(')', (0x55772f068e50), _1729000)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1730858)
   Exit: (185) [system] peek_char((0x55772f068e50), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x55772f068e50), _1740452)
   Exit: (185) [system] get_char((0x55772f068e50), ' ')
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1743156)
   Exit: (186) [system] peek_char((0x55772f068e50), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _1760090)
   Exit: (184) [system] peek_char((0x55772f068e50), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x55772f068e50), _1765660)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1767518)
   Exit: (186) [system] peek_char((0x55772f068e50), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] get_char((0x55772f068e50), _1783528)
   Exit: (185) [system] get_char((0x55772f068e50), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x55772f068e50), _1765660)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1789098)
   Exit: (187) [system] peek_char((0x55772f068e50), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
   Call: (187) [system] (:)=(/)
   Fail: (187) [system] (:)=(/)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1805108)
   Exit: (186) [system] peek_char((0x55772f068e50), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x55772f068e50), _1810678)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1812536)
   Exit: (188) [system] peek_char((0x55772f068e50), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
   Call: (188) [system] (:)=(/)
   Fail: (188) [system] (:)=(/)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] get_char((0x55772f068e50), _1828546)
   Exit: (187) [system] get_char((0x55772f068e50), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x55772f068e50), :, _1810678)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _1846188)
   Call: (189) [system] peek_char((0x55772f068e50), _1847122)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _1846188=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (188) [user] classify_and_convert_charseq([:], _1810678)
^  Call: (189) [user] classify_and_convert_charseq_([:], _1856406)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1857358, _1857360), once(user:catch(read_from_chars([:], _1856406), _1857340, fail)), '$restore_trace'(_1857358, _1857360))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1857358, _1857360))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1857340, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(:)
   Exit: (190) [system] atomic(:)
^  Exit: (189) [user] classify_and_convert_charseq_([:], :)
   Call: (189) [system] integer(:)
   Fail: (189) [system] integer(:)
   Call: (189) [system] _1810678=(:)
   Exit: (189) [system] (:)=(:)
^  Exit: (188) [user] classify_and_convert_charseq([:], :)
^  Exit: (187) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (186) [user] read_list(')', (0x55772f068e50), _1869486)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1871344)
   Exit: (188) [system] peek_char((0x55772f068e50), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x55772f068e50), _1880938)
   Exit: (188) [system] get_char((0x55772f068e50), ' ')
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1883642)
   Exit: (189) [system] peek_char((0x55772f068e50), 'D')
   Call: (189) [system] 'D'=(;)
   Fail: (189) [system] 'D'=(;)
   Call: (189) [system] 'D'=(/)
   Fail: (189) [system] 'D'=(/)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Fail: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Fail: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Fail: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
   Fail: (190) [system] char_type('D', cntrl)
^  Fail: (189) [user] is_like_space('D')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1900576)
   Exit: (187) [system] peek_char((0x55772f068e50), 'D')
   Call: (187) [system] 'D'=')'
   Fail: (187) [system] 'D'=')'
   Call: (187) [system] 'D'=end_of_file
   Fail: (187) [system] 'D'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x55772f068e50), _1906146)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1908004)
   Exit: (189) [system] peek_char((0x55772f068e50), 'D')
   Call: (189) [system] 'D'=(;)
   Fail: (189) [system] 'D'=(;)
   Call: (189) [system] 'D'=(/)
   Fail: (189) [system] 'D'=(/)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Fail: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Fail: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Fail: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
   Fail: (190) [system] char_type('D', cntrl)
^  Fail: (189) [user] is_like_space('D')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] get_char((0x55772f068e50), _1924014)
   Exit: (188) [system] get_char((0x55772f068e50), 'D')
   Call: (188) [system] 'D'='('
   Fail: (188) [system] 'D'='('
   Call: (188) [system] 'D'='['
   Fail: (188) [system] 'D'='['
   Call: (188) [system] 'D'='{'
   Fail: (188) [system] 'D'='{'
   Call: (188) [system] 'D'='"'
   Fail: (188) [system] 'D'='"'
   Call: (188) [system] 'D'=!
   Fail: (188) [system] 'D'=!
   Call: (188) [system] 'D'='\''
   Fail: (188) [system] 'D'='\''
   Call: (188) [system] 'D'='`'
   Fail: (188) [system] 'D'='`'
   Call: (188) [system] 'D'=end_of_file
   Fail: (188) [system] 'D'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x55772f068e50), 'D', _1906146)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _1941656)
   Call: (190) [system] peek_char((0x55772f068e50), _1942590)
   Exit: (190) [system] peek_char((0x55772f068e50), i)
^  Call: (190) [user] is_delimiter(i)
   Call: (191) [system] char_type(i, space)
   Fail: (191) [system] char_type(i, space)
   Call: (191) [system] arg(_1947310, v('(', ')', end_of_file), i)
   Fail: (191) [system] arg(_1948242, v('(', ')', end_of_file), i)
^  Fail: (190) [user] is_delimiter(i)
   Call: (190) [system] ')'==i
   Fail: (190) [system] ')'==i
   Call: (190) [system] get_char((0x55772f068e50), i)
   Exit: (190) [system] get_char((0x55772f068e50), i)
   Call: (190) [system] i=(\)
   Fail: (190) [system] i=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _1955592)
   Call: (191) [system] peek_char((0x55772f068e50), _1956526)
   Exit: (191) [system] peek_char((0x55772f068e50), s)
^  Call: (191) [user] is_delimiter(s)
   Call: (192) [system] char_type(s, space)
   Fail: (192) [system] char_type(s, space)
   Call: (192) [system] arg(_1961246, v('(', ')', end_of_file), s)
   Fail: (192) [system] arg(_1962178, v('(', ')', end_of_file), s)
^  Fail: (191) [user] is_delimiter(s)
   Call: (191) [system] ')'==s
   Fail: (191) [system] ')'==s
   Call: (191) [system] get_char((0x55772f068e50), s)
   Exit: (191) [system] get_char((0x55772f068e50), s)
   Call: (191) [system] s=(\)
   Fail: (191) [system] s=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _1969528)
   Call: (192) [system] peek_char((0x55772f068e50), _1970462)
   Exit: (192) [system] peek_char((0x55772f068e50), j)
^  Call: (192) [user] is_delimiter(j)
   Call: (193) [system] char_type(j, space)
   Fail: (193) [system] char_type(j, space)
   Call: (193) [system] arg(_1975182, v('(', ')', end_of_file), j)
   Fail: (193) [system] arg(_1976114, v('(', ')', end_of_file), j)
^  Fail: (192) [user] is_delimiter(j)
   Call: (192) [system] ')'==j
   Fail: (192) [system] ')'==j
   Call: (192) [system] get_char((0x55772f068e50), j)
   Exit: (192) [system] get_char((0x55772f068e50), j)
   Call: (192) [system] j=(\)
   Fail: (192) [system] j=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _1983464)
   Call: (193) [system] peek_char((0x55772f068e50), _1984398)
   Exit: (193) [system] peek_char((0x55772f068e50), u)
^  Call: (193) [user] is_delimiter(u)
   Call: (194) [system] char_type(u, space)
   Fail: (194) [system] char_type(u, space)
   Call: (194) [system] arg(_1989118, v('(', ')', end_of_file), u)
   Fail: (194) [system] arg(_1990050, v('(', ')', end_of_file), u)
^  Fail: (193) [user] is_delimiter(u)
   Call: (193) [system] ')'==u
   Fail: (193) [system] ')'==u
   Call: (193) [system] get_char((0x55772f068e50), u)
   Exit: (193) [system] get_char((0x55772f068e50), u)
   Call: (193) [system] u=(\)
   Fail: (193) [system] u=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _1997400)
   Call: (194) [system] peek_char((0x55772f068e50), _1998334)
   Exit: (194) [system] peek_char((0x55772f068e50), n)
^  Call: (194) [user] is_delimiter(n)
   Call: (195) [system] char_type(n, space)
   Fail: (195) [system] char_type(n, space)
   Call: (195) [system] arg(_2003054, v('(', ')', end_of_file), n)
   Fail: (195) [system] arg(_2003986, v('(', ')', end_of_file), n)
^  Fail: (194) [user] is_delimiter(n)
   Call: (194) [system] ')'==n
   Fail: (194) [system] ')'==n
   Call: (194) [system] get_char((0x55772f068e50), n)
   Exit: (194) [system] get_char((0x55772f068e50), n)
   Call: (194) [system] n=(\)
   Fail: (194) [system] n=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _2011336)
   Call: (195) [system] peek_char((0x55772f068e50), _2012270)
   Exit: (195) [system] peek_char((0x55772f068e50), c)
^  Call: (195) [user] is_delimiter(c)
   Call: (196) [system] char_type(c, space)
   Fail: (196) [system] char_type(c, space)
   Call: (196) [system] arg(_2016990, v('(', ')', end_of_file), c)
   Fail: (196) [system] arg(_2017922, v('(', ')', end_of_file), c)
^  Fail: (195) [user] is_delimiter(c)
   Call: (195) [system] ')'==c
   Fail: (195) [system] ')'==c
   Call: (195) [system] get_char((0x55772f068e50), c)
   Exit: (195) [system] get_char((0x55772f068e50), c)
   Call: (195) [system] c=(\)
   Fail: (195) [system] c=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _2025272)
   Call: (196) [system] peek_char((0x55772f068e50), _2026206)
   Exit: (196) [system] peek_char((0x55772f068e50), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_2030926, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_2031858, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x55772f068e50), t)
   Exit: (196) [system] get_char((0x55772f068e50), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _2039208)
   Call: (197) [system] peek_char((0x55772f068e50), _2040142)
   Exit: (197) [system] peek_char((0x55772f068e50), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Fail: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_2044862, v('(', ')', end_of_file), i)
   Fail: (198) [system] arg(_2045794, v('(', ')', end_of_file), i)
^  Fail: (197) [user] is_delimiter(i)
   Call: (197) [system] ')'==i
   Fail: (197) [system] ')'==i
   Call: (197) [system] get_char((0x55772f068e50), i)
   Exit: (197) [system] get_char((0x55772f068e50), i)
   Call: (197) [system] i=(\)
   Fail: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _2053144)
   Call: (198) [system] peek_char((0x55772f068e50), _2054078)
   Exit: (198) [system] peek_char((0x55772f068e50), v)
^  Call: (198) [user] is_delimiter(v)
   Call: (199) [system] char_type(v, space)
   Fail: (199) [system] char_type(v, space)
   Call: (199) [system] arg(_2058798, v('(', ')', end_of_file), v)
   Fail: (199) [system] arg(_2059730, v('(', ')', end_of_file), v)
^  Fail: (198) [user] is_delimiter(v)
   Call: (198) [system] ')'==v
   Fail: (198) [system] ')'==v
   Call: (198) [system] get_char((0x55772f068e50), v)
   Exit: (198) [system] get_char((0x55772f068e50), v)
   Call: (198) [system] v=(\)
   Fail: (198) [system] v=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _2067080)
   Call: (199) [system] peek_char((0x55772f068e50), _2068014)
   Exit: (199) [system] peek_char((0x55772f068e50), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Fail: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_2072734, v('(', ')', end_of_file), e)
   Fail: (200) [system] arg(_2073666, v('(', ')', end_of_file), e)
^  Fail: (199) [user] is_delimiter(e)
   Call: (199) [system] ')'==e
   Fail: (199) [system] ')'==e
   Call: (199) [system] get_char((0x55772f068e50), e)
   Exit: (199) [system] get_char((0x55772f068e50), e)
   Call: (199) [system] e=(\)
   Fail: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _2081016)
   Call: (200) [system] peek_char((0x55772f068e50), _2081950)
   Exit: (200) [system] peek_char((0x55772f068e50), 'S')
^  Call: (200) [user] is_delimiter('S')
   Call: (201) [system] char_type('S', space)
   Fail: (201) [system] char_type('S', space)
   Call: (201) [system] arg(_2086670, v('(', ')', end_of_file), 'S')
   Fail: (201) [system] arg(_2087602, v('(', ')', end_of_file), 'S')
^  Fail: (200) [user] is_delimiter('S')
   Call: (200) [system] ')'=='S'
   Fail: (200) [system] ')'=='S'
   Call: (200) [system] get_char((0x55772f068e50), 'S')
   Exit: (200) [system] get_char((0x55772f068e50), 'S')
   Call: (200) [system] 'S'=(\)
   Fail: (200) [system] 'S'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _2094952)
   Call: (201) [system] peek_char((0x55772f068e50), _2095886)
   Exit: (201) [system] peek_char((0x55772f068e50), y)
^  Call: (201) [user] is_delimiter(y)
   Call: (202) [system] char_type(y, space)
   Fail: (202) [system] char_type(y, space)
   Call: (202) [system] arg(_7174, v('(', ')', end_of_file), y)
   Fail: (202) [system] arg(_8106, v('(', ')', end_of_file), y)
^  Fail: (201) [user] is_delimiter(y)
   Call: (201) [system] ')'==y
   Fail: (201) [system] ')'==y
   Call: (201) [system] get_char((0x55772f068e50), y)
   Exit: (201) [system] get_char((0x55772f068e50), y)
   Call: (201) [system] y=(\)
   Fail: (201) [system] y=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _15456)
   Call: (202) [system] peek_char((0x55772f068e50), _16390)
   Exit: (202) [system] peek_char((0x55772f068e50), l)
^  Call: (202) [user] is_delimiter(l)
   Call: (203) [system] char_type(l, space)
   Fail: (203) [system] char_type(l, space)
   Call: (203) [system] arg(_21110, v('(', ')', end_of_file), l)
   Fail: (203) [system] arg(_22042, v('(', ')', end_of_file), l)
^  Fail: (202) [user] is_delimiter(l)
   Call: (202) [system] ')'==l
   Fail: (202) [system] ')'==l
   Call: (202) [system] get_char((0x55772f068e50), l)
   Exit: (202) [system] get_char((0x55772f068e50), l)
   Call: (202) [system] l=(\)
   Fail: (202) [system] l=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _29392)
   Call: (203) [system] peek_char((0x55772f068e50), _30326)
   Exit: (203) [system] peek_char((0x55772f068e50), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Fail: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_35046, v('(', ')', end_of_file), l)
   Fail: (204) [system] arg(_35978, v('(', ')', end_of_file), l)
^  Fail: (203) [user] is_delimiter(l)
   Call: (203) [system] ')'==l
   Fail: (203) [system] ')'==l
   Call: (203) [system] get_char((0x55772f068e50), l)
   Exit: (203) [system] get_char((0x55772f068e50), l)
   Call: (203) [system] l=(\)
   Fail: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _43328)
   Call: (204) [system] peek_char((0x55772f068e50), _44262)
   Exit: (204) [system] peek_char((0x55772f068e50), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_48982, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_49914, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x55772f068e50), o)
   Exit: (204) [system] get_char((0x55772f068e50), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _57264)
   Call: (205) [system] peek_char((0x55772f068e50), _58198)
   Exit: (205) [system] peek_char((0x55772f068e50), g)
^  Call: (205) [user] is_delimiter(g)
   Call: (206) [system] char_type(g, space)
   Fail: (206) [system] char_type(g, space)
   Call: (206) [system] arg(_62918, v('(', ')', end_of_file), g)
   Fail: (206) [system] arg(_63850, v('(', ')', end_of_file), g)
^  Fail: (205) [user] is_delimiter(g)
   Call: (205) [system] ')'==g
   Fail: (205) [system] ')'==g
   Call: (205) [system] get_char((0x55772f068e50), g)
   Exit: (205) [system] get_char((0x55772f068e50), g)
   Call: (205) [system] g=(\)
   Fail: (205) [system] g=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _71200)
   Call: (206) [system] peek_char((0x55772f068e50), _72134)
   Exit: (206) [system] peek_char((0x55772f068e50), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_76854, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_77786, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x55772f068e50), i)
   Exit: (206) [system] get_char((0x55772f068e50), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _85136)
   Call: (207) [system] peek_char((0x55772f068e50), _86070)
   Exit: (207) [system] peek_char((0x55772f068e50), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_90790, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_91722, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x55772f068e50), s)
   Exit: (207) [system] get_char((0x55772f068e50), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _99072)
   Call: (208) [system] peek_char((0x55772f068e50), _100006)
   Exit: (208) [system] peek_char((0x55772f068e50), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_104726, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_105658, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x55772f068e50), m)
   Exit: (208) [system] get_char((0x55772f068e50), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _113008)
   Call: (209) [system] peek_char((0x55772f068e50), _113942)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _113008=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (208) [system] _99072=[m]
   Exit: (208) [system] [m]=[m]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [m])
   Call: (207) [system] _85136=[s, m]
   Exit: (207) [system] [s, m]=[s, m]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [s, m])
   Call: (206) [system] _71200=[i, s, m]
   Exit: (206) [system] [i, s, m]=[i, s, m]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, m])
   Call: (205) [system] _57264=[g, i, s, m]
   Exit: (205) [system] [g, i, s, m]=[g, i, s, m]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [g, i, s, m])
   Call: (204) [system] _43328=[o, g, i, s, m]
   Exit: (204) [system] [o, g, i, s, m]=[o, g, i, s, m]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [o, g, i, s, m])
   Call: (203) [system] _29392=[l, o, g, i, s, m]
   Exit: (203) [system] [l, o, g, i, s, m]=[l, o, g, i, s, m]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [l, o, g, i, s, m])
   Call: (202) [system] _15456=[l, l, o, g, i, s, m]
   Exit: (202) [system] [l, l, o, g, i, s, m]=[l, l, o, g, i, s, m]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [l, l, o, g, i, s, m])
   Call: (201) [system] _3438=[y, l, l, o, g, i, s, m]
   Exit: (201) [system] [y, l, l, o, g, i, s, m]=[y, l, l, o, g, i, s, m]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [y, l, l, o, g, i, s, m])
   Call: (200) [system] _3434=['S', y, l, l, o, g, i, s, m]
   Exit: (200) [system] ['S', y, l, l, o, g, i, s, m]=['S', y, l, l, o, g, i, s, m]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), ['S', y, l, l, o, g, i, s, m])
   Call: (199) [system] _3430=[e, 'S', y, l, l, o, g, i, s, m]
   Exit: (199) [system] [e, 'S', y, l, l, o, g, i, s, m]=[e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [e, 'S', y, l, l, o, g, i, s, m])
   Call: (198) [system] _3426=[v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (198) [system] [v, e, 'S', y, l, l, o, g, i, s, m]=[v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (197) [system] _3422=[i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (197) [system] [i, v, e, 'S', y, l, l, o, g, i, s, m]=[i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (196) [system] _3418=[t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (196) [system] [t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (195) [system] _3414=[c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (195) [system] [c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (194) [system] _3410=[n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (194) [system] [n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (193) [system] _3406=[u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (193) [system] [u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (192) [system] _3402=[j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (192) [system] [j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (191) [system] _3398=[s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (191) [system] [s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (190) [system] _3394=[i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (190) [system] [i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
^  Call: (189) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], _3390)
^  Call: (190) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], _176312)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_177264, _177266), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], _176312), _177246, fail)), '$restore_trace'(_177264, _177266))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_177264, _177266))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], _176312), _177246, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(_176312)
   Fail: (191) [system] atomic(_176312)
   Call: (191) [system] atom_chars(_176312, ['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Exit: (191) [system] atom_chars('DisjunctiveSyllogism', ['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
^  Exit: (190) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], 'DisjunctiveSyllogism')
   Call: (190) [system] integer('DisjunctiveSyllogism')
   Fail: (190) [system] integer('DisjunctiveSyllogism')
   Call: (190) [system] _3390='DisjunctiveSyllogism'
   Exit: (190) [system] 'DisjunctiveSyllogism'='DisjunctiveSyllogism'
^  Exit: (189) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], 'DisjunctiveSyllogism')
^  Exit: (188) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctiveSyllogism')
^  Exit: (187) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctiveSyllogism')
^  Call: (187) [user] read_list(')', (0x55772f068e50), _191262)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _193120)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x55772f068e50), _202714)
   Exit: (189) [system] get_char((0x55772f068e50), ' ')
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _205418)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _222352)
   Exit: (188) [system] peek_char((0x55772f068e50), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x55772f068e50), _227922)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _229780)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] get_char((0x55772f068e50), _245790)
   Exit: (189) [system] get_char((0x55772f068e50), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x55772f068e50), _227922)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _251360)
   Exit: (191) [system] peek_char((0x55772f068e50), -)
   Call: (191) [system] (-)=(;)
   Fail: (191) [system] (-)=(;)
   Call: (191) [system] (-)=(/)
   Fail: (191) [system] (-)=(/)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Fail: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Fail: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Fail: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
   Fail: (192) [system] char_type(-, cntrl)
^  Fail: (191) [user] is_like_space(-)
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _267370)
   Exit: (190) [system] peek_char((0x55772f068e50), -)
   Call: (190) [system] (-)=')'
   Fail: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
   Fail: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x55772f068e50), _272940)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _274798)
   Exit: (192) [system] peek_char((0x55772f068e50), -)
   Call: (192) [system] (-)=(;)
   Fail: (192) [system] (-)=(;)
   Call: (192) [system] (-)=(/)
   Fail: (192) [system] (-)=(/)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Fail: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Fail: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Fail: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
   Fail: (193) [system] char_type(-, cntrl)
^  Fail: (192) [user] is_like_space(-)
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] get_char((0x55772f068e50), _290808)
   Exit: (191) [system] get_char((0x55772f068e50), -)
   Call: (191) [system] (-)='('
   Fail: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Fail: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Fail: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Fail: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Fail: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Fail: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Fail: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
   Fail: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x55772f068e50), -, _272940)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _308450)
   Call: (193) [system] peek_char((0x55772f068e50), _309384)
   Exit: (193) [system] peek_char((0x55772f068e50), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Fail: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_314104, v('(', ')', end_of_file), >)
   Fail: (194) [system] arg(_315036, v('(', ')', end_of_file), >)
^  Fail: (193) [user] is_delimiter(>)
   Call: (193) [system] ')'==(>)
   Fail: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x55772f068e50), >)
   Exit: (193) [system] get_char((0x55772f068e50), >)
   Call: (193) [system] (>)=(\)
   Fail: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _322386)
   Call: (194) [system] peek_char((0x55772f068e50), _323320)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _322386=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (193) [system] _308450=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [>])
^  Call: (192) [user] classify_and_convert_charseq([-, >], _272940)
^  Call: (193) [user] classify_and_convert_charseq_([-, >], _335398)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_336350, _336352), once(user:catch(read_from_chars([-, >], _335398), _336332, fail)), '$restore_trace'(_336350, _336352))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_336350, _336352))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _336332, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(->)
   Exit: (194) [system] atomic(->)
^  Exit: (193) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (193) [system] integer(->)
   Fail: (193) [system] integer(->)
   Call: (193) [system] _272940=(->)
   Exit: (193) [system] (->)=(->)
^  Exit: (192) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (191) [user] read_symbolic(')', (0x55772f068e50), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x55772f068e50), ->)
^  Call: (190) [user] read_list(')', (0x55772f068e50), _348478)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _350336)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x55772f068e50), _359930)
   Exit: (192) [system] get_char((0x55772f068e50), ' ')
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _362634)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _379568)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x55772f068e50), _385138)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _386996)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] get_char((0x55772f068e50), _403006)
   Exit: (192) [system] get_char((0x55772f068e50), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x55772f068e50), _385138)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _408576)
   Exit: (194) [system] peek_char((0x55772f068e50), 'O')
   Call: (194) [system] 'O'=(;)
   Fail: (194) [system] 'O'=(;)
   Call: (194) [system] 'O'=(/)
   Fail: (194) [system] 'O'=(/)
^  Call: (194) [user] is_like_space('O')
   Call: (195) [system] char_type('O', 'white')
   Fail: (195) [system] char_type('O', 'white')
   Call: (195) [system] char_type('O', end_of_line)
   Fail: (195) [system] char_type('O', end_of_line)
   Call: (195) [system] char_type('O', space)
   Fail: (195) [system] char_type('O', space)
   Call: (195) [system] char_type('O', cntrl)
   Fail: (195) [system] char_type('O', cntrl)
^  Fail: (194) [user] is_like_space('O')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _424586)
   Exit: (193) [system] peek_char((0x55772f068e50), 'O')
   Call: (193) [system] 'O'=')'
   Fail: (193) [system] 'O'=')'
   Call: (193) [system] 'O'=end_of_file
   Fail: (193) [system] 'O'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _430156)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _432014)
   Exit: (195) [system] peek_char((0x55772f068e50), 'O')
   Call: (195) [system] 'O'=(;)
   Fail: (195) [system] 'O'=(;)
   Call: (195) [system] 'O'=(/)
   Fail: (195) [system] 'O'=(/)
^  Call: (195) [user] is_like_space('O')
   Call: (196) [system] char_type('O', 'white')
   Fail: (196) [system] char_type('O', 'white')
   Call: (196) [system] char_type('O', end_of_line)
   Fail: (196) [system] char_type('O', end_of_line)
   Call: (196) [system] char_type('O', space)
   Fail: (196) [system] char_type('O', space)
   Call: (196) [system] char_type('O', cntrl)
   Fail: (196) [system] char_type('O', cntrl)
^  Fail: (195) [user] is_like_space('O')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _448024)
   Exit: (194) [system] get_char((0x55772f068e50), 'O')
   Call: (194) [system] 'O'='('
   Fail: (194) [system] 'O'='('
   Call: (194) [system] 'O'='['
   Fail: (194) [system] 'O'='['
   Call: (194) [system] 'O'='{'
   Fail: (194) [system] 'O'='{'
   Call: (194) [system] 'O'='"'
   Fail: (194) [system] 'O'='"'
   Call: (194) [system] 'O'=!
   Fail: (194) [system] 'O'=!
   Call: (194) [system] 'O'='\''
   Fail: (194) [system] 'O'='\''
   Call: (194) [system] 'O'='`'
   Fail: (194) [system] 'O'='`'
   Call: (194) [system] 'O'=end_of_file
   Fail: (194) [system] 'O'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x55772f068e50), 'O', _430156)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _465666)
   Call: (196) [system] peek_char((0x55772f068e50), _466600)
   Exit: (196) [system] peek_char((0x55772f068e50), r)
^  Call: (196) [user] is_delimiter(r)
   Call: (197) [system] char_type(r, space)
   Fail: (197) [system] char_type(r, space)
   Call: (197) [system] arg(_471320, v('(', ')', end_of_file), r)
   Fail: (197) [system] arg(_472252, v('(', ')', end_of_file), r)
^  Fail: (196) [user] is_delimiter(r)
   Call: (196) [system] ')'==r
   Fail: (196) [system] ')'==r
   Call: (196) [system] get_char((0x55772f068e50), r)
   Exit: (196) [system] get_char((0x55772f068e50), r)
   Call: (196) [system] r=(\)
   Fail: (196) [system] r=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _479602)
   Call: (197) [system] peek_char((0x55772f068e50), _480536)
   Exit: (197) [system] peek_char((0x55772f068e50), 'L')
^  Call: (197) [user] is_delimiter('L')
   Call: (198) [system] char_type('L', space)
   Fail: (198) [system] char_type('L', space)
   Call: (198) [system] arg(_485256, v('(', ')', end_of_file), 'L')
   Fail: (198) [system] arg(_486188, v('(', ')', end_of_file), 'L')
^  Fail: (197) [user] is_delimiter('L')
   Call: (197) [system] ')'=='L'
   Fail: (197) [system] ')'=='L'
   Call: (197) [system] get_char((0x55772f068e50), 'L')
   Exit: (197) [system] get_char((0x55772f068e50), 'L')
   Call: (197) [system] 'L'=(\)
   Fail: (197) [system] 'L'=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _493538)
   Call: (198) [system] peek_char((0x55772f068e50), _494472)
   Exit: (198) [system] peek_char((0x55772f068e50), i)
^  Call: (198) [user] is_delimiter(i)
   Call: (199) [system] char_type(i, space)
   Fail: (199) [system] char_type(i, space)
   Call: (199) [system] arg(_499192, v('(', ')', end_of_file), i)
   Fail: (199) [system] arg(_500124, v('(', ')', end_of_file), i)
^  Fail: (198) [user] is_delimiter(i)
   Call: (198) [system] ')'==i
   Fail: (198) [system] ')'==i
   Call: (198) [system] get_char((0x55772f068e50), i)
   Exit: (198) [system] get_char((0x55772f068e50), i)
   Call: (198) [system] i=(\)
   Fail: (198) [system] i=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _507474)
   Call: (199) [system] peek_char((0x55772f068e50), _508408)
   Exit: (199) [system] peek_char((0x55772f068e50), n)
^  Call: (199) [user] is_delimiter(n)
   Call: (200) [system] char_type(n, space)
   Fail: (200) [system] char_type(n, space)
   Call: (200) [system] arg(_513128, v('(', ')', end_of_file), n)
   Fail: (200) [system] arg(_514060, v('(', ')', end_of_file), n)
^  Fail: (199) [user] is_delimiter(n)
   Call: (199) [system] ')'==n
   Fail: (199) [system] ')'==n
   Call: (199) [system] get_char((0x55772f068e50), n)
   Exit: (199) [system] get_char((0x55772f068e50), n)
   Call: (199) [system] n=(\)
   Fail: (199) [system] n=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _521410)
   Call: (200) [system] peek_char((0x55772f068e50), _522344)
   Exit: (200) [system] peek_char((0x55772f068e50), k)
^  Call: (200) [user] is_delimiter(k)
   Call: (201) [system] char_type(k, space)
   Fail: (201) [system] char_type(k, space)
   Call: (201) [system] arg(_527064, v('(', ')', end_of_file), k)
   Fail: (201) [system] arg(_527996, v('(', ')', end_of_file), k)
^  Fail: (200) [user] is_delimiter(k)
   Call: (200) [system] ')'==k
   Fail: (200) [system] ')'==k
   Call: (200) [system] get_char((0x55772f068e50), k)
   Exit: (200) [system] get_char((0x55772f068e50), k)
   Call: (200) [system] k=(\)
   Fail: (200) [system] k=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _535346)
   Call: (201) [system] peek_char((0x55772f068e50), _536280)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _535346=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (200) [system] _521410=[k]
   Exit: (200) [system] [k]=[k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (199) [system] _507474=[n, k]
   Exit: (199) [system] [n, k]=[n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (198) [system] _493538=[i, n, k]
   Exit: (198) [system] [i, n, k]=[i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (197) [system] _479602=['L', i, n, k]
   Exit: (197) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (196) [system] _465666=[r, 'L', i, n, k]
   Exit: (196) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _430156)
^  Call: (196) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _559534)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_560486, _560488), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _559534), _560468, fail)), '$restore_trace'(_560486, _560488))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_560486, _560488))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _559534), _560468, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_559534)
   Fail: (197) [system] atomic(_559534)
   Call: (197) [system] atom_chars(_559534, ['O', r, 'L', i, n, k])
   Exit: (197) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (196) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (196) [system] integer('OrLink')
   Fail: (196) [system] integer('OrLink')
   Call: (196) [system] _430156='OrLink'
   Exit: (196) [system] 'OrLink'='OrLink'
^  Exit: (195) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (194) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (193) [user] read_list(')', (0x55772f068e50), _574484)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _576342)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _585936)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _588640)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _605574)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _611144)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _613002)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _629012)
   Exit: (195) [system] get_char((0x55772f068e50), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x55772f068e50), $, _611144)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _646654)
   Call: (197) [system] peek_char((0x55772f068e50), _647588)
   Exit: (197) [system] peek_char((0x55772f068e50), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Fail: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_652308, v('(', ')', end_of_file), p)
   Fail: (198) [system] arg(_653240, v('(', ')', end_of_file), p)
^  Fail: (197) [user] is_delimiter(p)
   Call: (197) [system] ')'==p
   Fail: (197) [system] ')'==p
   Call: (197) [system] get_char((0x55772f068e50), p)
   Exit: (197) [system] get_char((0x55772f068e50), p)
   Call: (197) [system] p=(\)
   Fail: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _660590)
   Call: (198) [system] peek_char((0x55772f068e50), _661524)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _660590=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (197) [system] _646654=[p]
   Exit: (197) [system] [p]=[p]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [p])
^  Call: (196) [user] classify_and_convert_charseq([$, p], _611144)
^  Call: (197) [user] classify_and_convert_charseq_([$, p], _673602)
   Call: (198) [system] atom_chars(_674534, ['_', p])
   Exit: (198) [system] atom_chars('_p', ['_', p])
^  Exit: (197) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (197) [system] integer(_p)
   Fail: (197) [system] integer(_p)
   Call: (197) [system] _611144=_p
   Exit: (197) [system] _p=_p
^  Exit: (196) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (195) [user] read_symbolic(')', (0x55772f068e50), $, _p)
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), _p)
^  Call: (194) [user] read_list(')', (0x55772f068e50), _683826)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _685684)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _695278)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _697982)
   Exit: (197) [system] peek_char((0x55772f068e50), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _714916)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=')'
   Fail: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _720486)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _722344)
   Exit: (197) [system] peek_char((0x55772f068e50), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _738354)
   Exit: (196) [system] get_char((0x55772f068e50), $)
   Call: (196) [system] ($)='('
   Fail: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Fail: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Fail: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Fail: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Fail: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Fail: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Fail: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x55772f068e50), $, _720486)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _755996)
   Call: (198) [system] peek_char((0x55772f068e50), _756930)
   Exit: (198) [system] peek_char((0x55772f068e50), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Fail: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_761650, v('(', ')', end_of_file), q)
   Fail: (199) [system] arg(_762582, v('(', ')', end_of_file), q)
^  Fail: (198) [user] is_delimiter(q)
   Call: (198) [system] ')'==q
   Fail: (198) [system] ')'==q
   Call: (198) [system] get_char((0x55772f068e50), q)
   Exit: (198) [system] get_char((0x55772f068e50), q)
   Call: (198) [system] q=(\)
   Fail: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _769932)
   Call: (199) [system] peek_char((0x55772f068e50), _770866)
   Exit: (199) [system] peek_char((0x55772f068e50), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_775586, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _769932=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (198) [system] _755996=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [q])
^  Call: (197) [user] classify_and_convert_charseq([$, q], _720486)
^  Call: (198) [user] classify_and_convert_charseq_([$, q], _784816)
   Call: (199) [system] atom_chars(_785748, ['_', q])
   Exit: (199) [system] atom_chars('_q', ['_', q])
^  Exit: (198) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (198) [system] integer(_q)
   Fail: (198) [system] integer(_q)
   Call: (198) [system] _720486=_q
   Exit: (198) [system] _q=_q
^  Exit: (197) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x55772f068e50), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), _q)
^  Call: (195) [user] read_list(')', (0x55772f068e50), _795040)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _796898)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _812908)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x55772f068e50), _816698)
   Exit: (196) [system] get_char((0x55772f068e50), ')')
   Call: (196) [system] _795040=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [])
   Call: (195) [system] _683826=[_q]
   Exit: (195) [system] [_q]=[_q]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [_q])
   Call: (194) [system] _574484=[_p, _q]
   Exit: (194) [system] [_p, _q]=[_p, _q]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [_p, _q])
   Call: (193) [system] _385138=['OrLink', _p, _q]
   Exit: (193) [system] ['OrLink', _p, _q]=['OrLink', _p, _q]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), ['OrLink', _p, _q])
^  Exit: (191) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', _p, _q])
^  Call: (191) [user] read_list(')', (0x55772f068e50), _830580)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _832438)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _842032)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _844736)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _861670)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _867240)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _869098)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _885108)
   Exit: (193) [system] get_char((0x55772f068e50), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x55772f068e50), _867240)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _890678)
   Exit: (195) [system] peek_char((0x55772f068e50), 'N')
   Call: (195) [system] 'N'=(;)
   Fail: (195) [system] 'N'=(;)
   Call: (195) [system] 'N'=(/)
   Fail: (195) [system] 'N'=(/)
^  Call: (195) [user] is_like_space('N')
   Call: (196) [system] char_type('N', 'white')
   Fail: (196) [system] char_type('N', 'white')
   Call: (196) [system] char_type('N', end_of_line)
   Fail: (196) [system] char_type('N', end_of_line)
   Call: (196) [system] char_type('N', space)
   Fail: (196) [system] char_type('N', space)
   Call: (196) [system] char_type('N', cntrl)
   Fail: (196) [system] char_type('N', cntrl)
^  Fail: (195) [user] is_like_space('N')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _906688)
   Exit: (194) [system] peek_char((0x55772f068e50), 'N')
   Call: (194) [system] 'N'=')'
   Fail: (194) [system] 'N'=')'
   Call: (194) [system] 'N'=end_of_file
   Fail: (194) [system] 'N'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _912258)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _914116)
   Exit: (196) [system] peek_char((0x55772f068e50), 'N')
   Call: (196) [system] 'N'=(;)
   Fail: (196) [system] 'N'=(;)
   Call: (196) [system] 'N'=(/)
   Fail: (196) [system] 'N'=(/)
^  Call: (196) [user] is_like_space('N')
   Call: (197) [system] char_type('N', 'white')
   Fail: (197) [system] char_type('N', 'white')
   Call: (197) [system] char_type('N', end_of_line)
   Fail: (197) [system] char_type('N', end_of_line)
   Call: (197) [system] char_type('N', space)
   Fail: (197) [system] char_type('N', space)
   Call: (197) [system] char_type('N', cntrl)
   Fail: (197) [system] char_type('N', cntrl)
^  Fail: (196) [user] is_like_space('N')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _930126)
   Exit: (195) [system] get_char((0x55772f068e50), 'N')
   Call: (195) [system] 'N'='('
   Fail: (195) [system] 'N'='('
   Call: (195) [system] 'N'='['
   Fail: (195) [system] 'N'='['
   Call: (195) [system] 'N'='{'
   Fail: (195) [system] 'N'='{'
   Call: (195) [system] 'N'='"'
   Fail: (195) [system] 'N'='"'
   Call: (195) [system] 'N'=!
   Fail: (195) [system] 'N'=!
   Call: (195) [system] 'N'='\''
   Fail: (195) [system] 'N'='\''
   Call: (195) [system] 'N'='`'
   Fail: (195) [system] 'N'='`'
   Call: (195) [system] 'N'=end_of_file
   Fail: (195) [system] 'N'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x55772f068e50), 'N', _912258)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _947768)
   Call: (197) [system] peek_char((0x55772f068e50), _948702)
   Exit: (197) [system] peek_char((0x55772f068e50), o)
^  Call: (197) [user] is_delimiter(o)
   Call: (198) [system] char_type(o, space)
   Fail: (198) [system] char_type(o, space)
   Call: (198) [system] arg(_953422, v('(', ')', end_of_file), o)
   Fail: (198) [system] arg(_954354, v('(', ')', end_of_file), o)
^  Fail: (197) [user] is_delimiter(o)
   Call: (197) [system] ')'==o
   Fail: (197) [system] ')'==o
   Call: (197) [system] get_char((0x55772f068e50), o)
   Exit: (197) [system] get_char((0x55772f068e50), o)
   Call: (197) [system] o=(\)
   Fail: (197) [system] o=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _961704)
   Call: (198) [system] peek_char((0x55772f068e50), _962638)
   Exit: (198) [system] peek_char((0x55772f068e50), t)
^  Call: (198) [user] is_delimiter(t)
   Call: (199) [system] char_type(t, space)
   Fail: (199) [system] char_type(t, space)
   Call: (199) [system] arg(_967358, v('(', ')', end_of_file), t)
   Fail: (199) [system] arg(_968290, v('(', ')', end_of_file), t)
^  Fail: (198) [user] is_delimiter(t)
   Call: (198) [system] ')'==t
   Fail: (198) [system] ')'==t
   Call: (198) [system] get_char((0x55772f068e50), t)
   Exit: (198) [system] get_char((0x55772f068e50), t)
   Call: (198) [system] t=(\)
   Fail: (198) [system] t=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _975640)
   Call: (199) [system] peek_char((0x55772f068e50), _976574)
   Exit: (199) [system] peek_char((0x55772f068e50), 'L')
^  Call: (199) [user] is_delimiter('L')
   Call: (200) [system] char_type('L', space)
   Fail: (200) [system] char_type('L', space)
   Call: (200) [system] arg(_981294, v('(', ')', end_of_file), 'L')
   Fail: (200) [system] arg(_982226, v('(', ')', end_of_file), 'L')
^  Fail: (199) [user] is_delimiter('L')
   Call: (199) [system] ')'=='L'
   Fail: (199) [system] ')'=='L'
   Call: (199) [system] get_char((0x55772f068e50), 'L')
   Exit: (199) [system] get_char((0x55772f068e50), 'L')
   Call: (199) [system] 'L'=(\)
   Fail: (199) [system] 'L'=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _989576)
   Call: (200) [system] peek_char((0x55772f068e50), _990510)
   Exit: (200) [system] peek_char((0x55772f068e50), i)
^  Call: (200) [user] is_delimiter(i)
   Call: (201) [system] char_type(i, space)
   Fail: (201) [system] char_type(i, space)
   Call: (201) [system] arg(_995230, v('(', ')', end_of_file), i)
   Fail: (201) [system] arg(_996162, v('(', ')', end_of_file), i)
^  Fail: (200) [user] is_delimiter(i)
   Call: (200) [system] ')'==i
   Fail: (200) [system] ')'==i
   Call: (200) [system] get_char((0x55772f068e50), i)
   Exit: (200) [system] get_char((0x55772f068e50), i)
   Call: (200) [system] i=(\)
   Fail: (200) [system] i=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1003512)
   Call: (201) [system] peek_char((0x55772f068e50), _1004446)
   Exit: (201) [system] peek_char((0x55772f068e50), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_1009166, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_1010098, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x55772f068e50), n)
   Exit: (201) [system] get_char((0x55772f068e50), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1017448)
   Call: (202) [system] peek_char((0x55772f068e50), _1018382)
   Exit: (202) [system] peek_char((0x55772f068e50), k)
^  Call: (202) [user] is_delimiter(k)
   Call: (203) [system] char_type(k, space)
   Fail: (203) [system] char_type(k, space)
   Call: (203) [system] arg(_1023102, v('(', ')', end_of_file), k)
   Fail: (203) [system] arg(_1024034, v('(', ')', end_of_file), k)
^  Fail: (202) [user] is_delimiter(k)
   Call: (202) [system] ')'==k
   Fail: (202) [system] ')'==k
   Call: (202) [system] get_char((0x55772f068e50), k)
   Exit: (202) [system] get_char((0x55772f068e50), k)
   Call: (202) [system] k=(\)
   Fail: (202) [system] k=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1031384)
   Call: (203) [system] peek_char((0x55772f068e50), _1032318)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1031384=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (202) [system] _1017448=[k]
   Exit: (202) [system] [k]=[k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (201) [system] _1003512=[n, k]
   Exit: (201) [system] [n, k]=[n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (200) [system] _989576=[i, n, k]
   Exit: (200) [system] [i, n, k]=[i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (199) [system] _975640=['L', i, n, k]
   Exit: (199) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (198) [system] _961704=[t, 'L', i, n, k]
   Exit: (198) [system] [t, 'L', i, n, k]=[t, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [t, 'L', i, n, k])
   Call: (197) [system] _947768=[o, t, 'L', i, n, k]
   Exit: (197) [system] [o, t, 'L', i, n, k]=[o, t, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [o, t, 'L', i, n, k])
^  Call: (196) [user] classify_and_convert_charseq(['N', o, t, 'L', i, n, k], _912258)
^  Call: (197) [user] classify_and_convert_charseq_(['N', o, t, 'L', i, n, k], _1058366)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1059318, _1059320), once(user:catch(read_from_chars(['N', o, t, 'L', i, n, k], _1058366), _1059300, fail)), '$restore_trace'(_1059318, _1059320))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1059318, _1059320))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['N', o, t, 'L', i, n, k], _1058366), _1059300, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_1058366)
   Fail: (198) [system] atomic(_1058366)
   Call: (198) [system] atom_chars(_1058366, ['N', o, t, 'L', i, n, k])
   Exit: (198) [system] atom_chars('NotLink', ['N', o, t, 'L', i, n, k])
^  Exit: (197) [user] classify_and_convert_charseq_(['N', o, t, 'L', i, n, k], 'NotLink')
   Call: (197) [system] integer('NotLink')
   Fail: (197) [system] integer('NotLink')
   Call: (197) [system] _912258='NotLink'
   Exit: (197) [system] 'NotLink'='NotLink'
^  Exit: (196) [user] classify_and_convert_charseq(['N', o, t, 'L', i, n, k], 'NotLink')
^  Exit: (195) [user] read_symbolic(')', (0x55772f068e50), 'N', 'NotLink')
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), 'NotLink')
^  Call: (194) [user] read_list(')', (0x55772f068e50), _1073316)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1075174)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _1084768)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1087472)
   Exit: (197) [system] peek_char((0x55772f068e50), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1104406)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=')'
   Fail: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _1109976)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1111834)
   Exit: (197) [system] peek_char((0x55772f068e50), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _1127844)
   Exit: (196) [system] get_char((0x55772f068e50), $)
   Call: (196) [system] ($)='('
   Fail: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Fail: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Fail: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Fail: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Fail: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Fail: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Fail: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x55772f068e50), $, _1109976)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1145486)
   Call: (198) [system] peek_char((0x55772f068e50), _1146420)
   Exit: (198) [system] peek_char((0x55772f068e50), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Fail: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_1151140, v('(', ')', end_of_file), q)
   Fail: (199) [system] arg(_1152072, v('(', ')', end_of_file), q)
^  Fail: (198) [user] is_delimiter(q)
   Call: (198) [system] ')'==q
   Fail: (198) [system] ')'==q
   Call: (198) [system] get_char((0x55772f068e50), q)
   Exit: (198) [system] get_char((0x55772f068e50), q)
   Call: (198) [system] q=(\)
   Fail: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1159422)
   Call: (199) [system] peek_char((0x55772f068e50), _1160356)
   Exit: (199) [system] peek_char((0x55772f068e50), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1165076, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1159422=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (198) [system] _1145486=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [q])
^  Call: (197) [user] classify_and_convert_charseq([$, q], _1109976)
^  Call: (198) [user] classify_and_convert_charseq_([$, q], _1174306)
   Call: (199) [system] atom_chars(_1175238, ['_', q])
   Exit: (199) [system] atom_chars('_q', ['_', q])
^  Exit: (198) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (198) [system] integer(_q)
   Fail: (198) [system] integer(_q)
   Call: (198) [system] _1109976=_q
   Exit: (198) [system] _q=_q
^  Exit: (197) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x55772f068e50), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), _q)
^  Call: (195) [user] read_list(')', (0x55772f068e50), _1184530)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1186388)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1202398)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x55772f068e50), _1206188)
   Exit: (196) [system] get_char((0x55772f068e50), ')')
   Call: (196) [system] _1184530=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [])
   Call: (195) [system] _1073316=[_q]
   Exit: (195) [system] [_q]=[_q]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [_q])
   Call: (194) [system] _867240=['NotLink', _q]
   Exit: (194) [system] ['NotLink', _q]=['NotLink', _q]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), ['NotLink', _q])
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), ['NotLink', _q])
^  Call: (192) [user] read_list(')', (0x55772f068e50), _1217276)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1219134)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _1228728)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1231432)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1248366)
   Exit: (193) [system] peek_char((0x55772f068e50), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _1253936)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1255794)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _1271804)
   Exit: (194) [system] get_char((0x55772f068e50), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x55772f068e50), $, _1253936)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _1289446)
   Call: (196) [system] peek_char((0x55772f068e50), _1290380)
   Exit: (196) [system] peek_char((0x55772f068e50), p)
^  Call: (196) [user] is_delimiter(p)
   Call: (197) [system] char_type(p, space)
   Fail: (197) [system] char_type(p, space)
   Call: (197) [system] arg(_1295100, v('(', ')', end_of_file), p)
   Fail: (197) [system] arg(_1296032, v('(', ')', end_of_file), p)
^  Fail: (196) [user] is_delimiter(p)
   Call: (196) [system] ')'==p
   Fail: (196) [system] ')'==p
   Call: (196) [system] get_char((0x55772f068e50), p)
   Exit: (196) [system] get_char((0x55772f068e50), p)
   Call: (196) [system] p=(\)
   Fail: (196) [system] p=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1303382)
   Call: (197) [system] peek_char((0x55772f068e50), _1304316)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_1309036, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _1303382=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (196) [system] _1289446=[p]
   Exit: (196) [system] [p]=[p]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [p])
^  Call: (195) [user] classify_and_convert_charseq([$, p], _1253936)
^  Call: (196) [user] classify_and_convert_charseq_([$, p], _1318266)
   Call: (197) [system] atom_chars(_1319198, ['_', p])
   Exit: (197) [system] atom_chars('_p', ['_', p])
^  Exit: (196) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (196) [system] integer(_p)
   Fail: (196) [system] integer(_p)
   Call: (196) [system] _1253936=_p
   Exit: (196) [system] _p=_p
^  Exit: (195) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (194) [user] read_symbolic(')', (0x55772f068e50), $, _p)
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), _p)
^  Call: (193) [user] read_list(')', (0x55772f068e50), _1328490)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1330348)
   Exit: (195) [system] peek_char((0x55772f068e50), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1346358)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x55772f068e50), _1350148)
   Exit: (194) [system] get_char((0x55772f068e50), ')')
   Call: (194) [system] _1328490=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [])
   Call: (193) [system] _1217276=[_p]
   Exit: (193) [system] [_p]=[_p]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [_p])
   Call: (192) [system] _830580=[['NotLink', _q], _p]
   Exit: (192) [system] [['NotLink', _q], _p]=[['NotLink', _q], _p]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [['NotLink', _q], _p])
   Call: (191) [system] _348478=[['OrLink', _p, _q], ['NotLink', _q], _p]
   Exit: (191) [system] [['OrLink', _p, _q], ['NotLink', _q], _p]=[['OrLink', _p, _q], ['NotLink', _q], _p]
^  Exit: (190) [user] read_list(')', (0x55772f068e50), [['OrLink', _p, _q], ['NotLink', _q], _p])
   Call: (190) [system] _227922=[->, ['OrLink', _p, _q], ['NotLink', _q], _p]
   Exit: (190) [system] [->, ['OrLink', _p, _q], ['NotLink', _q], _p]=[->, ['OrLink', _p, _q], ['NotLink', _q], _p]
^  Exit: (189) [user] read_list(')', (0x55772f068e50), [->, ['OrLink', _p, _q], ['NotLink', _q], _p])
^  Exit: (188) [user] cont_sexpr(')', (0x55772f068e50), [->, ['OrLink', _p, _q], ['NotLink', _q], _p])
^  Call: (188) [user] read_list(')', (0x55772f068e50), _1366824)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1368682)
   Exit: (190) [system] peek_char((0x55772f068e50), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1384692)
   Exit: (189) [system] peek_char((0x55772f068e50), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x55772f068e50), _1388482)
   Exit: (189) [system] get_char((0x55772f068e50), ')')
   Call: (189) [system] _1366824=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [])
   Call: (188) [system] _191262=[[->, ['OrLink', _p, _q], ['NotLink', _q], _p]]
   Exit: (188) [system] [[->, ['OrLink', _p, _q], ['NotLink', _q], _p]]=[[->, ['OrLink', _p, _q], ['NotLink', _q], _p]]
^  Exit: (187) [user] read_list(')', (0x55772f068e50), [[->, ['OrLink', _p, _q], ['NotLink', _q], _p]])
   Call: (187) [system] _3386=['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]
   Exit: (187) [system] ['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]=['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]
^  Exit: (186) [user] read_list(')', (0x55772f068e50), ['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]])
   Call: (186) [system] _3378=[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]
   Exit: (186) [system] [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]=[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]])
^  Exit: (184) [user] cont_sexpr(')', (0x55772f068e50), [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]])
^  Call: (184) [user] read_list(')', (0x55772f068e50), _1402364)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1404222)
   Exit: (186) [system] peek_char((0x55772f068e50), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1420232)
   Exit: (185) [system] peek_char((0x55772f068e50), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x55772f068e50), _1424022)
   Exit: (185) [system] get_char((0x55772f068e50), ')')
   Call: (185) [system] _1402364=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [])
   Call: (184) [system] _3374=[[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]
   Exit: (184) [system] [[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]=[[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]
^  Exit: (183) [user] read_list(')', (0x55772f068e50), [[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]])
   Call: (183) [system] _3362=[[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]
   Exit: (183) [system] [[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]=[[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]
^  Exit: (182) [user] read_list(')', (0x55772f068e50), [[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]])
   Call: (182) [system] _3322=[=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]
   Exit: (182) [system] [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]=[=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]
^  Exit: (181) [user] read_list(')', (0x55772f068e50), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]])
^  Exit: (180) [user] cont_sexpr(')', (0x55772f068e50), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]])
^  Exit: (179) [user] read_sexpr((0x55772f068e50), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]])
^  Call: (179) [user] assertz(metta_file_comment(113, 0, 4596, [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]], '$stream_position'(4596, 113, 0, 4596)))
^  Exit: (179) [user] assertz(metta_file_comment(113, 0, 4596, [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]], '$stream_position'(4596, 113, 0, 4596)))
^  Exit: (177) [system] once(user:(read_position((0x55772f068e50), 113, 0, 4596, '$stream_position'(4596, 113, 0, 4596)), read_sexpr((0x55772f068e50), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]), assertz(metta_file_comment(113, 0, 4596, [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]], '$stream_position'(4596, 113, 0, 4596)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1442540, _1442542, _1442544, _1442546, _1442548))
^  Exit: (177) [user] retract(metta_file_comment(54, 0, 1783, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], '$stream_position'(1783, 54, 0, 1783)))
^  Call: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _3084)
^  Call: (178) [user] once(call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1445708))
^  Call: (179) [user] call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1445708)
^  Call: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1445708)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1448524))
^  Call: (182) [user] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1448524))
^  Call: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1448524)
^  Call: (184) [user] once(call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1451324))
^  Call: (185) [user] call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1451324)
^  Call: (186) [user] mfix_vars1([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1451324)
   Call: (187) [system] var([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Call: (187) [system] atom([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]==true
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]==false
   Call: (187) [system] (=)=='['
   Call: (187) [system] (=)=='{'
   Call: (187) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Exit: (187) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Call: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1461546)
   Call: (188) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], _1461546)
   Call: (189) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], _1461546)
   Exit: (189) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
   Exit: (188) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
   Exit: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
   Call: (187) [system] ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]=='}'
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]==[_1468062, _1468068]
   Call: (187) [system] fail
   Call: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Exit: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Call: (187) [user] apply:maplist(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1451324)
   Call: (188) [apply] apply:maplist_([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1451324, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(=, _1473642)
   Call: (190) [system] var(=)
   Call: (190) [system] atom(=)
   Exit: (190) [system] atom(=)
^  Call: (190) [user] symbol_concat($, _1477350, =)
   Call: (191) [system] atom_concat($, _1477350, =)
   Fail: (191) [system] atom_concat($, _1477350, =)
^  Fail: (190) [user] symbol_concat($, _1477350, =)
   Call: (190) [system] (=)==true
   Call: (190) [system] (=)==false
   Call: (190) [system] (=)==[_1482938, _1482944]
   Call: (190) [system] is_list(=)
   Call: (190) [system] string(=)
   Call: (190) [system] compound(=)
^  Call: (190) [user] symbol(=)
   Call: (191) [system] atom(=)
   Exit: (191) [system] atom(=)
^  Exit: (190) [user] symbol(=)
^  Exit: (189) [user] mfix_vars1(=, =)
   Call: (189) [apply] apply:maplist_([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1473644, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1([synthesize, _query, _kb, _rb, ['S', _k]], _1492206)
   Call: (191) [system] var([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (191) [system] atom([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==true
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==false
   Call: (191) [system] synthesize=='['
   Call: (191) [system] synthesize=='{'
   Call: (191) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Exit: (191) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Call: (191) [lists] lists:last([_query, _kb, _rb, ['S', _k]], _1500550)
   Call: (192) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, _1500550)
   Call: (193) [lists] lists:last_([_rb, ['S', _k]], _kb, _1500550)
   Call: (194) [lists] lists:last_([['S', _k]], _rb, _1500550)
   Call: (195) [lists] lists:last_([], ['S', _k], _1500550)
   Exit: (195) [lists] lists:last_([], ['S', _k], ['S', _k])
   Exit: (194) [lists] lists:last_([['S', _k]], _rb, ['S', _k])
   Exit: (193) [lists] lists:last_([_rb, ['S', _k]], _kb, ['S', _k])
   Exit: (192) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, ['S', _k])
   Exit: (191) [lists] lists:last([_query, _kb, _rb, ['S', _k]], ['S', _k])
   Call: (191) [system] ['S', _k]=='}'
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==[_1510794, _1510800]
   Call: (191) [system] fail
   Call: (191) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (191) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (191) [user] apply:maplist(mfix_vars1, [synthesize, _query, _kb, _rb, ['S', _k]], _1492206)
   Call: (192) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _1492206, user:mfix_vars1)
^  Call: (193) [user] mfix_vars1(synthesize, _1516374)
   Call: (194) [system] var(synthesize)
   Call: (194) [system] atom(synthesize)
   Exit: (194) [system] atom(synthesize)
^  Call: (194) [user] symbol_concat($, _1520082, synthesize)
   Call: (195) [system] atom_concat($, _1520082, synthesize)
   Fail: (195) [system] atom_concat($, _1520082, synthesize)
^  Fail: (194) [user] symbol_concat($, _1520082, synthesize)
   Call: (194) [system] synthesize==true
   Call: (194) [system] synthesize==false
   Call: (194) [system] synthesize==[_1525670, _1525676]
   Call: (194) [system] is_list(synthesize)
   Call: (194) [system] string(synthesize)
   Call: (194) [system] compound(synthesize)
^  Call: (194) [user] symbol(synthesize)
   Call: (195) [system] atom(synthesize)
   Exit: (195) [system] atom(synthesize)
^  Exit: (194) [user] symbol(synthesize)
^  Exit: (193) [user] mfix_vars1(synthesize, synthesize)
   Call: (193) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _1516376, user:mfix_vars1)
^  Call: (194) [user] mfix_vars1(_query, _1534938)
   Call: (195) [system] var(_query)
   Call: (195) [system] atom(_query)
   Call: (195) [system] _query==true
   Call: (195) [system] _query==false
   Call: (195) [system] _query==[_1539580, _1539586]
   Call: (195) [system] is_list(_query)
   Call: (195) [system] string(_query)
   Call: (195) [system] compound(_query)
   Exit: (195) [system] compound(_query)
   Call: (195) [system] compound_name_arguments(_query, _1544214, _1544216)
   Exit: (195) [system] compound_name_arguments(_query, '$VAR', ['_query'])
   Call: (195) [system] '$VAR'\=='$VAR'
^  Exit: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1549808))
^  Call: (182) [user] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1549808))
^  Call: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1549808)
^  Call: (184) [user] once(call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1552608))
^  Call: (185) [user] call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1552608)
^  Call: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1552608)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] call(user:cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (184) [system] once(user:call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1445708))
^  Call: (182) [user] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1445708))
^  Call: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1445708)
^  Call: (184) [user] once(call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1566566))
^  Call: (185) [user] call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1566566)
^  Call: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1566566)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] call(user:cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (184) [system] once(user:call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
^  Exit: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (179) [system] call(user:untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (178) [system] once(user:call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
   Call: (178) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
^  Exit: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (171) [user] read_sform((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (170) [system] once(user:read_sform((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
   Call: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]==end_of_file
   Fail: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]), 112]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x55772f06bcd0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], me_synthesize_1727481849_9551582, 112)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]), 112]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727481860.504962)
   Call: (173) [system] arg(1, t(1727481858.222791), _3148)
   Exit: (173) [system] arg(1, t(1727481858.222791), 1727481858.222791)
   Call: (173) [system] _3158 is 1727481860.504962-1727481858.222791
   Exit: (173) [system] 2.2821710109710693 is 1727481860.504962-1727481858.222791
   Call: (173) [system] 2.2821710109710693>4
   Fail: (173) [system] 2.2821710109710693>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]), 112]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 20)
   Call: (175) [system] atom(20+1)
   Call: (175) [system] set_flag(translated_forms, 21)
   Exit: (175) [system] set_flag(translated_forms, 21)
   Exit: (174) [$syspreds] update_flag(translated_forms, 20, 20+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 20, 20+1))
   Exit: (171) [$syspreds] flag(translated_forms, 20, 20+1)
^  Call: (171) [user] write_metta_datalog_term((0x55772f06bcd0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], me_synthesize_1727481849_9551582, 112)
^  Call: (172) [user] s2t_iz(me_synthesize_1727481849_9551582, _1618036, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1618038)
   Call: (173) [system] (=)==(:)
^  Call: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1618038)
   Call: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Exit: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Call: (174) [user] s2t(=, _1622688)
   Call: (175) [system] compound(=)
   Call: (175) [system] (=)=_1622688
   Exit: (175) [system] (=)=(=)
^  Exit: (174) [user] s2t(=, =)
^  Call: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1622690)
   Call: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Exit: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Call: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], _1630106)
   Call: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (176) [system] synthesize==(->)
   Call: (176) [system] synthesize=='Cons'
   Call: (176) [system] synthesize==(=)
   Call: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (176) [user] apply:maplist(s2t, [synthesize, _query, _kb, _rb, ['S', _k]], _1637518)
   Call: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _1637518, user:s2t)
^  Call: (178) [user] s2t(synthesize, _1639398)
   Call: (179) [system] compound(synthesize)
   Call: (179) [system] synthesize=_1639398
   Exit: (179) [system] synthesize=synthesize
^  Exit: (178) [user] s2t(synthesize, synthesize)
   Call: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _1639400, user:s2t)
^  Call: (179) [user] s2t(_query, _1644972)
   Call: (180) [system] compound(_query)
   Exit: (180) [system] compound(_query)
   Call: (180) [system] is_list(_query)
^  Call: (180) [user] s2tl(_query, _1644972)
   Call: (181) [system] compound(_query)
   Exit: (181) [system] compound(_query)
^  Exit: (180) [user] s2tl(_query, _query)
^  Exit: (179) [user] s2t(_query, _query)
   Call: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], _1644974, user:s2t)
^  Call: (180) [user] s2t(_kb, _1654242)
   Call: (181) [system] compound(_kb)
   Exit: (181) [system] compound(_kb)
   Call: (181) [system] is_list(_kb)
^  Call: (181) [user] s2tl(_kb, _1654242)
   Call: (182) [system] compound(_kb)
   Exit: (182) [system] compound(_kb)
^  Exit: (181) [user] s2tl(_kb, _kb)
^  Exit: (180) [user] s2t(_kb, _kb)
   Call: (180) [apply] apply:maplist_([_rb, ['S', _k]], _1654244, user:s2t)
^  Call: (181) [user] s2t(_rb, _1663512)
   Call: (182) [system] compound(_rb)
   Exit: (182) [system] compound(_rb)
   Call: (182) [system] is_list(_rb)
^  Call: (182) [user] s2tl(_rb, _1663512)
   Call: (183) [system] compound(_rb)
   Exit: (183) [system] compound(_rb)
^  Exit: (182) [user] s2tl(_rb, _rb)
^  Exit: (181) [user] s2t(_rb, _rb)
   Call: (181) [apply] apply:maplist_([['S', _k]], _1663514, user:s2t)
^  Call: (182) [user] s2t(['S', _k], _1672782)
   Call: (183) [system] compound(['S', _k])
   Exit: (183) [system] compound(['S', _k])
   Call: (183) [system] 'S'==(->)
   Call: (183) [system] 'S'=='Cons'
   Call: (183) [system] 'S'==(=)
   Call: (183) [system] is_list(['S', _k])
   Exit: (183) [system] is_list(['S', _k])
^  Call: (183) [user] apply:maplist(s2t, ['S', _k], _1680194)
   Call: (184) [apply] apply:maplist_(['S', _k], _1680194, user:s2t)
^  Call: (185) [user] s2t('S', _1682074)
   Call: (186) [system] compound('S')
   Call: (186) [system] 'S'=_1682074
   Exit: (186) [system] 'S'='S'
^  Exit: (185) [user] s2t('S', 'S')
   Call: (185) [apply] apply:maplist_([_k], _1682076, user:s2t)
^  Call: (186) [user] s2t(_k, _1687648)
   Call: (187) [system] compound(_k)
   Exit: (187) [system] compound(_k)
   Call: (187) [system] is_list(_k)
^  Call: (187) [user] s2tl(_k, _1687648)
   Call: (188) [system] compound(_k)
   Exit: (188) [system] compound(_k)
^  Exit: (187) [user] s2tl(_k, _k)
^  Exit: (186) [user] s2t(_k, _k)
   Call: (186) [apply] apply:maplist_([], _1687650, user:s2t)
   Exit: (186) [apply] apply:maplist_([], [], user:s2t)
   Exit: (185) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (184) [apply] apply:maplist_(['S', _k], ['S', _k], user:s2t)
^  Exit: (183) [apply] apply:maplist(user:s2t, ['S', _k], ['S', _k])
   Call: (183) [system] compound_name_arguments(_1672782, t, ['S', _k])
   Exit: (183) [system] compound_name_arguments(t('S', _k), t, ['S', _k])
^  Exit: (182) [user] s2t(['S', _k], t('S', _k))
   Call: (182) [apply] apply:maplist_([], _1672784, user:s2t)
   Exit: (182) [apply] apply:maplist_([], [], user:s2t)
   Exit: (181) [apply] apply:maplist_([['S', _k]], [t('S', _k)], user:s2t)
   Exit: (180) [apply] apply:maplist_([_rb, ['S', _k]], [_rb, t('S', _k)], user:s2t)
   Exit: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], [_kb, _rb, t('S', _k)], user:s2t)
   Exit: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], [_query, _kb, _rb, t('S', _k)], user:s2t)
   Exit: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)], user:s2t)
^  Exit: (176) [apply] apply:maplist(user:s2t, [synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)])
   Call: (176) [system] compound_name_arguments(_1630106, t, [synthesize, _query, _kb, _rb, t('S', _k)])
   Exit: (176) [system] compound_name_arguments(t(synthesize, _query, _kb, _rb, t('S', _k)), t, [synthesize, _query, _kb, _rb, t('S', _k)])
^  Exit: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], t(synthesize, _query, _kb, _rb, t('S', _k)))
^  Call: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1630108)
   Call: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Exit: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Call: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], _1716492)
   Call: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
   Exit: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
   Call: (177) [system] 'let*'==(->)
   Call: (177) [system] 'let*'=='Cons'
   Call: (177) [system] 'let*'==(=)
   Call: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
   Exit: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
^  Call: (177) [user] apply:maplist(s2t, ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], _1723904)
   Call: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], _1723904, user:s2t)
^  Call: (179) [user] s2t('let*', _1725784)
   Call: (180) [system] compound('let*')
   Call: (180) [system] 'let*'=_1725784
   Exit: (180) [system] 'let*'='let*'
^  Exit: (179) [user] s2t('let*', 'let*')
   Call: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], _1725786, user:s2t)
^  Call: (180) [user] s2t([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _1731358)
   Call: (181) [system] compound([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
   Exit: (181) [system] compound([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
   Call: (181) [system] [[:, _ructor, [->, _premise, _conclusion]], [_rb]]==(->)
   Call: (181) [system] [[:, _ructor, [->, _premise, _conclusion]], [_rb]]=='Cons'
   Call: (181) [system] [[:, _ructor, [->, _premise, _conclusion]], [_rb]]==(=)
   Call: (181) [system] is_list([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
   Exit: (181) [system] is_list([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
^  Call: (181) [user] apply:maplist(s2t, [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _1738770)
   Call: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _1738770, user:s2t)
^  Call: (183) [user] s2t([[:, _ructor, [->, _premise, _conclusion]], [_rb]], _1740650)
   Call: (184) [system] compound([[:, _ructor, [->, _premise, _conclusion]], [_rb]])
   Exit: (184) [system] compound([[:, _ructor, [->, _premise, _conclusion]], [_rb]])
   Call: (184) [system] [:, _ructor, [->, _premise, _conclusion]]==(->)
   Call: (184) [system] [:, _ructor, [->, _premise, _conclusion]]=='Cons'
   Call: (184) [system] [:, _ructor, [->, _premise, _conclusion]]==(=)
   Call: (184) [system] is_list([[:, _ructor, [->, _premise, _conclusion]], [_rb]])
   Exit: (184) [system] is_list([[:, _ructor, [->, _premise, _conclusion]], [_rb]])
^  Call: (184) [user] apply:maplist(s2t, [[:, _ructor, [->, _premise, _conclusion]], [_rb]], _1748062)
   Call: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise, _conclusion]], [_rb]], _1748062, user:s2t)
^  Call: (186) [user] s2t([:, _ructor, [->, _premise, _conclusion]], _1749942)
   Call: (187) [system] compound([:, _ructor, [->, _premise, _conclusion]])
   Exit: (187) [system] compound([:, _ructor, [->, _premise, _conclusion]])
   Call: (187) [system] (:)==(->)
   Call: (187) [system] (:)=='Cons'
   Call: (187) [system] (:)==(=)
   Call: (187) [system] is_list([:, _ructor, [->, _premise, _conclusion]])
   Exit: (187) [system] is_list([:, _ructor, [->, _premise, _conclusion]])
^  Call: (187) [user] apply:maplist(s2t, [:, _ructor, [->, _premise, _conclusion]], _1757354)
   Call: (188) [apply] apply:maplist_([:, _ructor, [->, _premise, _conclusion]], _1757354, user:s2t)
^  Call: (189) [user] s2t(:, _1759234)
   Call: (190) [system] compound(:)
   Call: (190) [system] (:)=_1759234
   Exit: (190) [system] (:)=(:)
^  Exit: (189) [user] s2t(:, :)
   Call: (189) [apply] apply:maplist_([_ructor, [->, _premise, _conclusion]], _1759236, user:s2t)
^  Call: (190) [user] s2t(_ructor, _1764808)
   Call: (191) [system] compound(_ructor)
   Exit: (191) [system] compound(_ructor)
   Call: (191) [system] is_list(_ructor)
^  Call: (191) [user] s2tl(_ructor, _1764808)
   Call: (192) [system] compound(_ructor)
   Exit: (192) [system] compound(_ructor)
^  Exit: (191) [user] s2tl(_ructor, _ructor)
^  Exit: (190) [user] s2t(_ructor, _ructor)
   Call: (190) [apply] apply:maplist_([[->, _premise, _conclusion]], _1764810, user:s2t)
^  Call: (191) [user] s2t([->, _premise, _conclusion], _1774078)
   Call: (192) [system] compound([->, _premise, _conclusion])
   Exit: (192) [system] compound([->, _premise, _conclusion])
   Call: (192) [system] (->)==(->)
   Exit: (192) [system] (->)==(->)
^  Call: (192) [user] s2tl([_premise, _conclusion], _1778714)
   Call: (193) [system] compound([_premise, _conclusion])
   Exit: (193) [system] compound([_premise, _conclusion])
^  Call: (193) [user] s2t(_premise, _1781494)
   Call: (194) [system] compound(_premise)
   Exit: (194) [system] compound(_premise)
   Call: (194) [system] is_list(_premise)
^  Call: (194) [user] s2tl(_premise, _1781494)
   Call: (195) [system] compound(_premise)
   Exit: (195) [system] compound(_premise)
^  Exit: (194) [user] s2tl(_premise, _premise)
^  Exit: (193) [user] s2t(_premise, _premise)
^  Call: (193) [user] s2tl([_conclusion], _1781496)
   Call: (194) [system] compound([_conclusion])
   Exit: (194) [system] compound([_conclusion])
^  Call: (194) [user] s2t(_conclusion, _1792608)
   Call: (195) [system] compound(_conclusion)
   Exit: (195) [system] compound(_conclusion)
   Call: (195) [system] is_list(_conclusion)
^  Call: (195) [user] s2tl(_conclusion, _1792608)
   Call: (196) [system] compound(_conclusion)
   Exit: (196) [system] compound(_conclusion)
^  Exit: (195) [user] s2tl(_conclusion, _conclusion)
^  Exit: (194) [user] s2t(_conclusion, _conclusion)
^  Call: (194) [user] s2tl([], _1792610)
   Call: (195) [system] compound([])
   Call: (195) [system] []=_1792610
   Exit: (195) [system] []=[]
^  Exit: (194) [user] s2tl([], [])
^  Exit: (193) [user] s2tl([_conclusion], [_conclusion])
^  Exit: (192) [user] s2tl([_premise, _conclusion], [_premise, _conclusion])
   Call: (192) [system] _1774078=..[->, [_premise, _conclusion]]
   Exit: (192) [system] ->([_premise, _conclusion])=..[->, [_premise, _conclusion]]
^  Exit: (191) [user] s2t([->, _premise, _conclusion], ->([_premise, _conclusion]))
   Call: (191) [apply] apply:maplist_([], _1774080, user:s2t)
   Exit: (191) [apply] apply:maplist_([], [], user:s2t)
   Exit: (190) [apply] apply:maplist_([[->, _premise, _conclusion]], [->([_premise, _conclusion])], user:s2t)
   Exit: (189) [apply] apply:maplist_([_ructor, [->, _premise, _conclusion]], [_ructor, ->([_premise, _conclusion])], user:s2t)
   Exit: (188) [apply] apply:maplist_([:, _ructor, [->, _premise, _conclusion]], [:, _ructor, ->([_premise, _conclusion])], user:s2t)
^  Exit: (187) [apply] apply:maplist(user:s2t, [:, _ructor, [->, _premise, _conclusion]], [:, _ructor, ->([_premise, _conclusion])])
   Call: (187) [system] compound_name_arguments(_1749942, t, [:, _ructor, ->([_premise, _conclusion])])
   Exit: (187) [system] compound_name_arguments(t(:, _ructor, ->([_premise, _conclusion])), t, [:, _ructor, ->([_premise, _conclusion])])
^  Exit: (186) [user] s2t([:, _ructor, [->, _premise, _conclusion]], t(:, _ructor, ->([_premise, _conclusion])))
   Call: (186) [apply] apply:maplist_([[_rb]], _1749944, user:s2t)
^  Call: (187) [user] s2t([_rb], _1819568)
   Call: (188) [system] compound([_rb])
   Exit: (188) [system] compound([_rb])
   Call: (188) [system] _rb==(->)
   Call: (188) [system] _rb=='Cons'
   Call: (188) [system] _rb==(=)
   Call: (188) [system] is_list([_rb])
   Exit: (188) [system] is_list([_rb])
^  Call: (188) [user] apply:maplist(s2t, [_rb], _1826980)
   Call: (189) [apply] apply:maplist_([_rb], _1826980, user:s2t)
^  Call: (190) [user] s2t(_rb, _1828860)
   Call: (191) [system] compound(_rb)
   Exit: (191) [system] compound(_rb)
   Call: (191) [system] is_list(_rb)
^  Call: (191) [user] s2tl(_rb, _1828860)
   Call: (192) [system] compound(_rb)
   Exit: (192) [system] compound(_rb)
^  Exit: (191) [user] s2tl(_rb, _rb)
^  Exit: (190) [user] s2t(_rb, _rb)
   Call: (190) [apply] apply:maplist_([], _1828862, user:s2t)
   Exit: (190) [apply] apply:maplist_([], [], user:s2t)
   Exit: (189) [apply] apply:maplist_([_rb], [_rb], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [_rb], [_rb])
   Call: (188) [system] compound_name_arguments(_1819568, t, [_rb])
   Exit: (188) [system] compound_name_arguments(t(_rb), t, [_rb])
^  Exit: (187) [user] s2t([_rb], t(_rb))
   Call: (187) [apply] apply:maplist_([], _1819570, user:s2t)
   Exit: (187) [apply] apply:maplist_([], [], user:s2t)
   Exit: (186) [apply] apply:maplist_([[_rb]], [t(_rb)], user:s2t)
   Exit: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise, _conclusion])), t(_rb)], user:s2t)
^  Exit: (184) [apply] apply:maplist(user:s2t, [[:, _ructor, [->, _premise, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise, _conclusion])), t(_rb)])
   Call: (184) [system] compound_name_arguments(_1740650, t, [t(:, _ructor, ->([_premise, _conclusion])), t(_rb)])
   Exit: (184) [system] compound_name_arguments(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t, [t(:, _ructor, ->([_premise, _conclusion])), t(_rb)])
^  Exit: (183) [user] s2t([[:, _ructor, [->, _premise, _conclusion]], [_rb]], t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)))
   Call: (183) [apply] apply:maplist_([[[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _1740652, user:s2t)
^  Call: (184) [user] s2t([[:, [_ructor, _proof], _conclusion], _query], _1852124)
   Call: (185) [system] compound([[:, [_ructor, _proof], _conclusion], _query])
   Exit: (185) [system] compound([[:, [_ructor, _proof], _conclusion], _query])
   Call: (185) [system] [:, [_ructor, _proof], _conclusion]==(->)
   Call: (185) [system] [:, [_ructor, _proof], _conclusion]=='Cons'
   Call: (185) [system] [:, [_ructor, _proof], _conclusion]==(=)
   Call: (185) [system] is_list([[:, [_ructor, _proof], _conclusion], _query])
   Exit: (185) [system] is_list([[:, [_ructor, _proof], _conclusion], _query])
^  Call: (185) [user] apply:maplist(s2t, [[:, [_ructor, _proof], _conclusion], _query], _1859536)
   Call: (186) [apply] apply:maplist_([[:, [_ructor, _proof], _conclusion], _query], _1859536, user:s2t)
^  Call: (187) [user] s2t([:, [_ructor, _proof], _conclusion], _1861416)
   Call: (188) [system] compound([:, [_ructor, _proof], _conclusion])
   Exit: (188) [system] compound([:, [_ructor, _proof], _conclusion])
   Call: (188) [system] (:)==(->)
   Call: (188) [system] (:)=='Cons'
   Call: (188) [system] (:)==(=)
   Call: (188) [system] is_list([:, [_ructor, _proof], _conclusion])
   Exit: (188) [system] is_list([:, [_ructor, _proof], _conclusion])
^  Call: (188) [user] apply:maplist(s2t, [:, [_ructor, _proof], _conclusion], _1868828)
   Call: (189) [apply] apply:maplist_([:, [_ructor, _proof], _conclusion], _1868828, user:s2t)
^  Call: (190) [user] s2t(:, _1870708)
   Call: (191) [system] compound(:)
   Call: (191) [system] (:)=_1870708
   Exit: (191) [system] (:)=(:)
^  Exit: (190) [user] s2t(:, :)
   Call: (190) [apply] apply:maplist_([[_ructor, _proof], _conclusion], _1870710, user:s2t)
^  Call: (191) [user] s2t([_ructor, _proof], _1876282)
   Call: (192) [system] compound([_ructor, _proof])
   Exit: (192) [system] compound([_ructor, _proof])
   Call: (192) [system] _ructor==(->)
   Call: (192) [system] _ructor=='Cons'
   Call: (192) [system] _ructor==(=)
   Call: (192) [system] is_list([_ructor, _proof])
   Exit: (192) [system] is_list([_ructor, _proof])
^  Call: (192) [user] apply:maplist(s2t, [_ructor, _proof], _1883694)
   Call: (193) [apply] apply:maplist_([_ructor, _proof], _1883694, user:s2t)
^  Call: (194) [user] s2t(_ructor, _1885574)
   Call: (195) [system] compound(_ructor)
   Exit: (195) [system] compound(_ructor)
   Call: (195) [system] is_list(_ructor)
^  Call: (195) [user] s2tl(_ructor, _1885574)
   Call: (196) [system] compound(_ructor)
   Exit: (196) [system] compound(_ructor)
^  Exit: (195) [user] s2tl(_ructor, _ructor)
^  Exit: (194) [user] s2t(_ructor, _ructor)
   Call: (194) [apply] apply:maplist_([_proof], _1885576, user:s2t)
^  Call: (195) [user] s2t(_proof, _1894844)
   Call: (196) [system] compound(_proof)
   Exit: (196) [system] compound(_proof)
   Call: (196) [system] is_list(_proof)
^  Call: (196) [user] s2tl(_proof, _1894844)
   Call: (197) [system] compound(_proof)
   Exit: (197) [system] compound(_proof)
^  Exit: (196) [user] s2tl(_proof, _proof)
^  Exit: (195) [user] s2t(_proof, _proof)
   Call: (195) [apply] apply:maplist_([], _1894846, user:s2t)
   Exit: (195) [apply] apply:maplist_([], [], user:s2t)
   Exit: (194) [apply] apply:maplist_([_proof], [_proof], user:s2t)
   Exit: (193) [apply] apply:maplist_([_ructor, _proof], [_ructor, _proof], user:s2t)
^  Exit: (192) [apply] apply:maplist(user:s2t, [_ructor, _proof], [_ructor, _proof])
   Call: (192) [system] compound_name_arguments(_1876282, t, [_ructor, _proof])
   Exit: (192) [system] compound_name_arguments(t(_ructor, _proof), t, [_ructor, _proof])
^  Exit: (191) [user] s2t([_ructor, _proof], t(_ructor, _proof))
   Call: (191) [apply] apply:maplist_([_conclusion], _1876284, user:s2t)
^  Call: (192) [user] s2t(_conclusion, _1911578)
   Call: (193) [system] compound(_conclusion)
   Exit: (193) [system] compound(_conclusion)
   Call: (193) [system] is_list(_conclusion)
^  Call: (193) [user] s2tl(_conclusion, _1911578)
   Call: (194) [system] compound(_conclusion)
   Exit: (194) [system] compound(_conclusion)
^  Exit: (193) [user] s2tl(_conclusion, _conclusion)
^  Exit: (192) [user] s2t(_conclusion, _conclusion)
   Call: (192) [apply] apply:maplist_([], _1911580, user:s2t)
   Exit: (192) [apply] apply:maplist_([], [], user:s2t)
   Exit: (191) [apply] apply:maplist_([_conclusion], [_conclusion], user:s2t)
   Exit: (190) [apply] apply:maplist_([[_ructor, _proof], _conclusion], [t(_ructor, _proof), _conclusion], user:s2t)
   Exit: (189) [apply] apply:maplist_([:, [_ructor, _proof], _conclusion], [:, t(_ructor, _proof), _conclusion], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [:, [_ructor, _proof], _conclusion], [:, t(_ructor, _proof), _conclusion])
   Call: (188) [system] compound_name_arguments(_1861416, t, [:, t(_ructor, _proof), _conclusion])
   Exit: (188) [system] compound_name_arguments(t(:, t(_ructor, _proof), _conclusion), t, [:, t(_ructor, _proof), _conclusion])
^  Exit: (187) [user] s2t([:, [_ructor, _proof], _conclusion], t(:, t(_ructor, _proof), _conclusion))
   Call: (187) [apply] apply:maplist_([_query], _1861418, user:s2t)
^  Call: (188) [user] s2t(_query, _1929246)
   Call: (189) [system] compound(_query)
   Exit: (189) [system] compound(_query)
   Call: (189) [system] is_list(_query)
^  Call: (189) [user] s2tl(_query, _1929246)
   Call: (190) [system] compound(_query)
   Exit: (190) [system] compound(_query)
^  Exit: (189) [user] s2tl(_query, _query)
^  Exit: (188) [user] s2t(_query, _query)
   Call: (188) [apply] apply:maplist_([], _1929248, user:s2t)
   Exit: (188) [apply] apply:maplist_([], [], user:s2t)
   Exit: (187) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (186) [apply] apply:maplist_([[:, [_ructor, _proof], _conclusion], _query], [t(:, t(_ructor, _proof), _conclusion), _query], user:s2t)
^  Exit: (185) [apply] apply:maplist(user:s2t, [[:, [_ructor, _proof], _conclusion], _query], [t(:, t(_ructor, _proof), _conclusion), _query])
   Call: (185) [system] compound_name_arguments(_1852124, t, [t(:, t(_ructor, _proof), _conclusion), _query])
   Exit: (185) [system] compound_name_arguments(t(t(:, t(_ructor, _proof), _conclusion), _query), t, [t(:, t(_ructor, _proof), _conclusion), _query])
^  Exit: (184) [user] s2t([[:, [_ructor, _proof], _conclusion], _query], t(t(:, t(_ructor, _proof), _conclusion), _query))
   Call: (184) [apply] apply:maplist_([[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _1852126, user:s2t)
^  Call: (185) [user] s2t([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]], _1945980)
   Call: (186) [system] compound([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]])
   Exit: (186) [system] compound([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]])
   Call: (186) [system] [:, _proof, _premise]==(->)
   Call: (186) [system] [:, _proof, _premise]=='Cons'
   Call: (186) [system] [:, _proof, _premise]==(=)
   Call: (186) [system] is_list([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]])
   Exit: (186) [system] is_list([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]])
^  Call: (186) [user] apply:maplist(s2t, [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]], _1953392)
   Call: (187) [apply] apply:maplist_([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]], _1953392, user:s2t)
^  Call: (188) [user] s2t([:, _proof, _premise], _1955272)
   Call: (189) [system] compound([:, _proof, _premise])
   Exit: (189) [system] compound([:, _proof, _premise])
   Call: (189) [system] (:)==(->)
   Call: (189) [system] (:)=='Cons'
   Call: (189) [system] (:)==(=)
   Call: (189) [system] is_list([:, _proof, _premise])
   Exit: (189) [system] is_list([:, _proof, _premise])
^  Call: (189) [user] apply:maplist(s2t, [:, _proof, _premise], _1962684)
   Call: (190) [apply] apply:maplist_([:, _proof, _premise], _1962684, user:s2t)
^  Call: (191) [user] s2t(:, _1964564)
   Call: (192) [system] compound(:)
   Call: (192) [system] (:)=_1964564
   Exit: (192) [system] (:)=(:)
^  Exit: (191) [user] s2t(:, :)
   Call: (191) [apply] apply:maplist_([_proof, _premise], _1964566, user:s2t)
^  Call: (192) [user] s2t(_proof, _1970138)
   Call: (193) [system] compound(_proof)
   Exit: (193) [system] compound(_proof)
   Call: (193) [system] is_list(_proof)
^  Call: (193) [user] s2tl(_proof, _1970138)
   Call: (194) [system] compound(_proof)
   Exit: (194) [system] compound(_proof)
^  Exit: (193) [user] s2tl(_proof, _proof)
^  Exit: (192) [user] s2t(_proof, _proof)
   Call: (192) [apply] apply:maplist_([_premise], _1970140, user:s2t)
^  Call: (193) [user] s2t(_premise, _1979408)
   Call: (194) [system] compound(_premise)
   Exit: (194) [system] compound(_premise)
   Call: (194) [system] is_list(_premise)
^  Call: (194) [user] s2tl(_premise, _1979408)
   Call: (195) [system] compound(_premise)
   Exit: (195) [system] compound(_premise)
^  Exit: (194) [user] s2tl(_premise, _premise)
^  Exit: (193) [user] s2t(_premise, _premise)
   Call: (193) [apply] apply:maplist_([], _1979410, user:s2t)
   Exit: (193) [apply] apply:maplist_([], [], user:s2t)
   Exit: (192) [apply] apply:maplist_([_premise], [_premise], user:s2t)
   Exit: (191) [apply] apply:maplist_([_proof, _premise], [_proof, _premise], user:s2t)
   Exit: (190) [apply] apply:maplist_([:, _proof, _premise], [:, _proof, _premise], user:s2t)
^  Exit: (189) [apply] apply:maplist(user:s2t, [:, _proof, _premise], [:, _proof, _premise])
   Call: (189) [system] compound_name_arguments(_1955272, t, [:, _proof, _premise])
   Exit: (189) [system] compound_name_arguments(t(:, _proof, _premise), t, [:, _proof, _premise])
^  Exit: (188) [user] s2t([:, _proof, _premise], t(:, _proof, _premise))
   Call: (188) [apply] apply:maplist_([[synthesize, [:, _proof, _premise], _kb, _rb, _k]], _1955274, user:s2t)
^  Call: (189) [user] s2t([synthesize, [:, _proof, _premise], _kb, _rb, _k], _1997076)
   Call: (190) [system] compound([synthesize, [:, _proof, _premise], _kb, _rb, _k])
   Exit: (190) [system] compound([synthesize, [:, _proof, _premise], _kb, _rb, _k])
   Call: (190) [system] synthesize==(->)
   Call: (190) [system] synthesize=='Cons'
   Call: (190) [system] synthesize==(=)
   Call: (190) [system] is_list([synthesize, [:, _proof, _premise], _kb, _rb, _k])
   Exit: (190) [system] is_list([synthesize, [:, _proof, _premise], _kb, _rb, _k])
^  Call: (190) [user] apply:maplist(s2t, [synthesize, [:, _proof, _premise], _kb, _rb, _k], _2004488)
   Call: (191) [apply] apply:maplist_([synthesize, [:, _proof, _premise], _kb, _rb, _k], _2004488, user:s2t)
^  Call: (192) [user] s2t(synthesize, _2006368)
   Call: (193) [system] compound(synthesize)
   Call: (193) [system] synthesize=_2006368
   Exit: (193) [system] synthesize=synthesize
^  Exit: (192) [user] s2t(synthesize, synthesize)
   Call: (192) [apply] apply:maplist_([[:, _proof, _premise], _kb, _rb, _k], _2006370, user:s2t)
^  Call: (193) [user] s2t([:, _proof, _premise], _2011942)
   Call: (194) [system] compound([:, _proof, _premise])
   Exit: (194) [system] compound([:, _proof, _premise])
   Call: (194) [system] (:)==(->)
   Call: (194) [system] (:)=='Cons'
   Call: (194) [system] (:)==(=)
   Call: (194) [system] is_list([:, _proof, _premise])
   Exit: (194) [system] is_list([:, _proof, _premise])
^  Call: (194) [user] apply:maplist(s2t, [:, _proof, _premise], _2019354)
   Call: (195) [apply] apply:maplist_([:, _proof, _premise], _2019354, user:s2t)
^  Call: (196) [user] s2t(:, _2021234)
   Call: (197) [system] compound(:)
   Call: (197) [system] (:)=_2021234
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] s2t(:, :)
   Call: (196) [apply] apply:maplist_([_proof, _premise], _2021236, user:s2t)
^  Call: (197) [user] s2t(_proof, _2026808)
   Call: (198) [system] compound(_proof)
   Exit: (198) [system] compound(_proof)
   Call: (198) [system] is_list(_proof)
^  Call: (198) [user] s2tl(_proof, _2026808)
   Call: (199) [system] compound(_proof)
   Exit: (199) [system] compound(_proof)
^  Exit: (198) [user] s2tl(_proof, _proof)
^  Exit: (197) [user] s2t(_proof, _proof)
   Call: (197) [apply] apply:maplist_([_premise], _2026810, user:s2t)
^  Call: (198) [user] s2t(_premise, _2036078)
   Call: (199) [system] compound(_premise)
   Exit: (199) [system] compound(_premise)
   Call: (199) [system] is_list(_premise)
^  Call: (199) [user] s2tl(_premise, _2036078)
   Call: (200) [system] compound(_premise)
   Exit: (200) [system] compound(_premise)
^  Exit: (199) [user] s2tl(_premise, _premise)
^  Exit: (198) [user] s2t(_premise, _premise)
   Call: (198) [apply] apply:maplist_([], _2036080, user:s2t)
   Exit: (198) [apply] apply:maplist_([], [], user:s2t)
   Exit: (197) [apply] apply:maplist_([_premise], [_premise], user:s2t)
   Exit: (196) [apply] apply:maplist_([_proof, _premise], [_proof, _premise], user:s2t)
   Exit: (195) [apply] apply:maplist_([:, _proof, _premise], [:, _proof, _premise], user:s2t)
^  Exit: (194) [apply] apply:maplist(user:s2t, [:, _proof, _premise], [:, _proof, _premise])
   Call: (194) [system] compound_name_arguments(_2011942, t, [:, _proof, _premise])
   Exit: (194) [system] compound_name_arguments(t(:, _proof, _premise), t, [:, _proof, _premise])
^  Exit: (193) [user] s2t([:, _proof, _premise], t(:, _proof, _premise))
   Call: (193) [apply] apply:maplist_([_kb, _rb, _k], _2011944, user:s2t)
^  Call: (194) [user] s2t(_kb, _2053746)
   Call: (195) [system] compound(_kb)
   Exit: (195) [system] compound(_kb)
   Call: (195) [system] is_list(_kb)
^  Call: (195) [user] s2tl(_kb, _2053746)
   Call: (196) [system] compound(_kb)
   Exit: (196) [system] compound(_kb)
^  Exit: (195) [user] s2tl(_kb, _kb)
^  Exit: (194) [user] s2t(_kb, _kb)
   Call: (194) [apply] apply:maplist_([_rb, _k], _2053748, user:s2t)
^  Call: (195) [user] s2t(_rb, _2063016)
   Call: (196) [system] compound(_rb)
   Exit: (196) [system] compound(_rb)
   Call: (196) [system] is_list(_rb)
^  Call: (196) [user] s2tl(_rb, _2063016)
   Call: (197) [system] compound(_rb)
   Exit: (197) [system] compound(_rb)
^  Exit: (196) [user] s2tl(_rb, _rb)
^  Exit: (195) [user] s2t(_rb, _rb)
   Call: (195) [apply] apply:maplist_([_k], _2063018, user:s2t)
^  Call: (196) [user] s2t(_k, _2072286)
   Call: (197) [system] compound(_k)
   Exit: (197) [system] compound(_k)
   Call: (197) [system] is_list(_k)
^  Call: (197) [user] s2tl(_k, _2072286)
   Call: (198) [system] compound(_k)
   Exit: (198) [system] compound(_k)
^  Exit: (197) [user] s2tl(_k, _k)
^  Exit: (196) [user] s2t(_k, _k)
   Call: (196) [apply] apply:maplist_([], _2072288, user:s2t)
   Exit: (196) [apply] apply:maplist_([], [], user:s2t)
   Exit: (195) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (194) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (192) [apply] apply:maplist_([[:, _proof, _premise], _kb, _rb, _k], [t(:, _proof, _premise), _kb, _rb, _k], user:s2t)
   Exit: (191) [apply] apply:maplist_([synthesize, [:, _proof, _premise], _kb, _rb, _k], [synthesize, t(:, _proof, _premise), _kb, _rb, _k], user:s2t)
^  Exit: (190) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof, _premise], _kb, _rb, _k], [synthesize, t(:, _proof, _premise), _kb, _rb, _k])
   Call: (190) [system] compound_name_arguments(_1997076, t, [synthesize, t(:, _proof, _premise), _kb, _rb, _k])
   Exit: (190) [system] compound_name_arguments(t(synthesize, t(:, _proof, _premise), _kb, _rb, _k), t, [synthesize, t(:, _proof, _premise), _kb, _rb, _k])
^  Exit: (189) [user] s2t([synthesize, [:, _proof, _premise], _kb, _rb, _k], t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))
   Call: (189) [apply] apply:maplist_([], _1997078, user:s2t)
   Exit: (189) [apply] apply:maplist_([], [], user:s2t)
   Exit: (188) [apply] apply:maplist_([[synthesize, [:, _proof, _premise], _kb, _rb, _k]], [t(synthesize, t(:, _proof, _premise), _kb, _rb, _k)], user:s2t)
   Exit: (187) [apply] apply:maplist_([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]], [t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k)], user:s2t)
^  Exit: (186) [apply] apply:maplist(user:s2t, [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]], [t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k)])
   Call: (186) [system] compound_name_arguments(_1945980, t, [t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k)])
   Exit: (186) [system] compound_name_arguments(t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k)), t, [t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k)])
^  Exit: (185) [user] s2t([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]], t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k)))
   Call: (185) [apply] apply:maplist_([], _3778, user:s2t)
   Exit: (185) [apply] apply:maplist_([], [], user:s2t)
   Exit: (184) [apply] apply:maplist_([[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], [t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))], user:s2t)
   Exit: (183) [apply] apply:maplist_([[[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], [t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))], user:s2t)
   Exit: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))], user:s2t)
^  Exit: (181) [apply] apply:maplist(user:s2t, [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))])
   Call: (181) [system] compound_name_arguments(_3696, t, [t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))])
   Exit: (181) [system] compound_name_arguments(t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), t, [t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))])
^  Exit: (180) [user] s2t([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))))
   Call: (180) [apply] apply:maplist_([_query], _3698, user:s2t)
^  Call: (181) [user] s2t(_query, _14716)
   Call: (182) [system] compound(_query)
   Exit: (182) [system] compound(_query)
   Call: (182) [system] is_list(_query)
^  Call: (182) [user] s2tl(_query, _14716)
   Call: (183) [system] compound(_query)
   Exit: (183) [system] compound(_query)
^  Exit: (182) [user] s2tl(_query, _query)
^  Exit: (181) [user] s2t(_query, _query)
   Call: (181) [apply] apply:maplist_([], _14718, user:s2t)
   Exit: (181) [apply] apply:maplist_([], [], user:s2t)
   Exit: (180) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], [t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query], user:s2t)
   Exit: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query], user:s2t)
^  Exit: (177) [apply] apply:maplist(user:s2t, ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query])
   Call: (177) [system] compound_name_arguments(_3676, t, ['let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query])
   Exit: (177) [system] compound_name_arguments(t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query), t, ['let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query])
^  Exit: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query))
^  Call: (176) [user] s2tl([], _3678)
   Call: (177) [system] compound([])
   Call: (177) [system] []=_3678
   Exit: (177) [system] []=[]
^  Exit: (176) [user] s2tl([], [])
^  Exit: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)])
^  Exit: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)])
^  Exit: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)])
^  Exit: (172) [user] s2t_iz(me_synthesize_1727481849_9551582, me_synthesize_1727481849_9551582, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)])
^  Call: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)], _39806)
   Call: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)])
   Exit: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)])
   Call: (173) [system] _39806=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)]
   Exit: (173) [system] [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)]=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)]
^  Exit: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)])
   Call: (172) [system] _45368=..[me_synthesize_1727481849_9551582, 112, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)]
   Exit: (172) [system] me_synthesize_1727481849_9551582(112, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query))=..[me_synthesize_1727481849_9551582, 112, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)]
^  Call: (172) [user] format((0x55772f06bcd0), "~q.~n", [me_synthesize_1727481849_9551582(112, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query))])
^  Exit: (172) [user] format((0x55772f06bcd0), "~q.~n", [me_synthesize_1727481849_9551582(112, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query))])
^  Exit: (171) [user] write_metta_datalog_term((0x55772f06bcd0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], me_synthesize_1727481849_9551582, 112)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]), 112]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 20, 20+1), write_metta_datalog_term((0x55772f06bcd0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], me_synthesize_1727481849_9551582, 112)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x55772f068e50))
   Fail: (169) [system] at_end_of_stream((0x55772f068e50))
^  Call: (169) [user] must_det_ll(line_count((0x55772f068e50), _3074))
^  Call: (170) [user] once(user:line_count((0x55772f068e50), _3074))
   Call: (171) [system] line_count((0x55772f068e50), _3074)
   Exit: (171) [system] line_count((0x55772f068e50), 113)
^  Exit: (170) [system] once(user:line_count((0x55772f068e50), 113))
^  Exit: (169) [user] must_det_ll(user:line_count((0x55772f068e50), 113))
^  Call: (169) [user] must_det_ll(read_sform((0x55772f068e50), _3084))
^  Call: (170) [user] once(user:read_sform((0x55772f068e50), _3084))
^  Call: (171) [user] read_sform((0x55772f068e50), _3084)
   Call: (172) [system] string((0x55772f068e50))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (173) [system] string((0x55772f068e50))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (174) [system] at_end_of_stream((0x55772f068e50))
   Call: (174) [system] peek_char((0x55772f068e50), _70560)
   Exit: (174) [system] peek_char((0x55772f068e50), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x55772f068e50), '\n')
   Exit: (174) [system] get_char((0x55772f068e50), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), _3084)
   Call: (175) [system] at_end_of_stream((0x55772f068e50))
   Call: (175) [system] peek_char((0x55772f068e50), _77982)
   Exit: (175) [system] peek_char((0x55772f068e50), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (176) [system] string((0x55772f068e50))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (177) [system] at_end_of_stream((0x55772f068e50))
   Call: (177) [system] peek_char((0x55772f068e50), _86320)
   Exit: (177) [system] peek_char((0x55772f068e50), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _89106=(0x55772f068e50)
   Exit: (177) [system] (0x55772f068e50)=(0x55772f068e50)
^  Call: (177) [user] once((read_position((0x55772f068e50), _90974, _90976, _90978, _90980), read_sexpr((0x55772f068e50), _90992), assertz(metta_file_comment(_90974, _90976, _90978, _90992, _90980))))
^  Call: (179) [user] read_position((0x55772f068e50), _90974, _90976, _90978, _90980)
   Call: (180) [system] stream_property((0x55772f068e50), position(_90980))
   Call: (181) [system] nonvar((0x55772f068e50))
   Exit: (181) [system] nonvar((0x55772f068e50))
   Call: (181) [system] nonvar(position(_90980))
   Exit: (181) [system] nonvar(position(_90980))
   Exit: (180) [system] stream_property((0x55772f068e50), position('$stream_position'(4666, 114, 0, 4666)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4666, 114, 0, 4666), _90974)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _101232)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4666, 114, 0, 4666), _90974)
   Exit: (181) [system] arg(2, '$stream_position'(4666, 114, 0, 4666), 114)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4666, 114, 0, 4666), 114)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4666, 114, 0, 4666), _90976)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _108666)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4666, 114, 0, 4666), _90976)
   Exit: (181) [system] arg(3, '$stream_position'(4666, 114, 0, 4666), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4666, 114, 0, 4666), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4666, 114, 0, 4666), _90978)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _116100)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4666, 114, 0, 4666), _90978)
   Exit: (181) [system] arg(1, '$stream_position'(4666, 114, 0, 4666), 4666)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4666, 114, 0, 4666), 4666)
^  Exit: (179) [user] read_position((0x55772f068e50), 114, 0, 4666, '$stream_position'(4666, 114, 0, 4666))
^  Call: (179) [user] read_sexpr((0x55772f068e50), _90992)
   Call: (180) [system] string((0x55772f068e50))
   Fail: (180) [system] string((0x55772f068e50))
^  Call: (180) [user] cont_sexpr(')', (0x55772f068e50), _90992)
^  Call: (181) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _126326)
   Exit: (182) [system] peek_char((0x55772f068e50), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x55772f068e50))
   Call: (181) [system] get_char((0x55772f068e50), _142336)
   Exit: (181) [system] get_char((0x55772f068e50), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x55772f068e50), _90992)
^  Call: (182) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _147906)
   Exit: (183) [system] peek_char((0x55772f068e50), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _163916)
   Exit: (182) [system] peek_char((0x55772f068e50), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x55772f068e50), _169486)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _171344)
   Exit: (184) [system] peek_char((0x55772f068e50), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] get_char((0x55772f068e50), _187354)
   Exit: (183) [system] get_char((0x55772f068e50), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x55772f068e50), =, _169486)
^  Call: (184) [user] read_symbolic_cont(')', (0x55772f068e50), _204996)
   Call: (185) [system] peek_char((0x55772f068e50), _205930)
   Exit: (185) [system] peek_char((0x55772f068e50), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _204996=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _169486)
^  Call: (185) [user] classify_and_convert_charseq_([=], _215214)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_216166, _216168), once(user:catch(read_from_chars([=], _215214), _216148, fail)), '$restore_trace'(_216166, _216168))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_216166, _216168))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _216148, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _169486=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x55772f068e50), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x55772f068e50), =)
^  Call: (182) [user] read_list(')', (0x55772f068e50), _228294)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _230152)
   Exit: (184) [system] peek_char((0x55772f068e50), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x55772f068e50), _239746)
   Exit: (184) [system] get_char((0x55772f068e50), ' ')
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _242450)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _259384)
   Exit: (183) [system] peek_char((0x55772f068e50), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x55772f068e50), _264954)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _266812)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] get_char((0x55772f068e50), _282822)
   Exit: (184) [system] get_char((0x55772f068e50), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x55772f068e50), _264954)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _288392)
   Exit: (186) [system] peek_char((0x55772f068e50), r)
   Call: (186) [system] r=(;)
   Fail: (186) [system] r=(;)
   Call: (186) [system] r=(/)
   Fail: (186) [system] r=(/)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Fail: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Fail: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Fail: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
   Fail: (187) [system] char_type(r, cntrl)
^  Fail: (186) [user] is_like_space(r)
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _304402)
   Exit: (185) [system] peek_char((0x55772f068e50), r)
   Call: (185) [system] r=')'
   Fail: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
   Fail: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x55772f068e50), _309972)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _311830)
   Exit: (187) [system] peek_char((0x55772f068e50), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
   Call: (187) [system] r=(/)
   Fail: (187) [system] r=(/)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] get_char((0x55772f068e50), _327840)
   Exit: (186) [system] get_char((0x55772f068e50), r)
   Call: (186) [system] r='('
   Fail: (186) [system] r='('
   Call: (186) [system] r='['
   Fail: (186) [system] r='['
   Call: (186) [system] r='{'
   Fail: (186) [system] r='{'
   Call: (186) [system] r='"'
   Fail: (186) [system] r='"'
   Call: (186) [system] r=!
   Fail: (186) [system] r=!
   Call: (186) [system] r='\''
   Fail: (186) [system] r='\''
   Call: (186) [system] r='`'
   Fail: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
   Fail: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x55772f068e50), r, _309972)
^  Call: (187) [user] read_symbolic_cont(')', (0x55772f068e50), _345482)
   Call: (188) [system] peek_char((0x55772f068e50), _346416)
   Exit: (188) [system] peek_char((0x55772f068e50), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_351136, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_352068, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x55772f068e50), b)
   Exit: (188) [system] get_char((0x55772f068e50), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _359418)
   Call: (189) [system] peek_char((0x55772f068e50), _360352)
   Exit: (189) [system] peek_char((0x55772f068e50), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_365072, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _359418=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (188) [system] _345482=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
^  Call: (187) [user] classify_and_convert_charseq([r, b], _309972)
^  Call: (188) [user] classify_and_convert_charseq_([r, b], _374302)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_375254, _375256), once(user:catch(read_from_chars([r, b], _374302), _375236, fail)), '$restore_trace'(_375254, _375256))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_375254, _375256))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _375236, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(rb)
   Exit: (189) [system] atomic(rb)
^  Exit: (188) [user] classify_and_convert_charseq_([r, b], rb)
   Call: (188) [system] integer(rb)
   Fail: (188) [system] integer(rb)
   Call: (188) [system] _309972=rb
   Exit: (188) [system] rb=rb
^  Exit: (187) [user] classify_and_convert_charseq([r, b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x55772f068e50), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x55772f068e50), rb)
^  Call: (185) [user] read_list(')', (0x55772f068e50), _387382)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _389240)
   Exit: (187) [system] peek_char((0x55772f068e50), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _405250)
   Exit: (186) [system] peek_char((0x55772f068e50), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x55772f068e50), _409040)
   Exit: (186) [system] get_char((0x55772f068e50), ')')
   Call: (186) [system] _387382=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [])
   Call: (185) [system] _264954=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x55772f068e50), [rb])
^  Call: (183) [user] read_list(')', (0x55772f068e50), _417334)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _419192)
   Exit: (185) [system] peek_char((0x55772f068e50), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x55772f068e50), _428786)
   Exit: (185) [system] get_char((0x55772f068e50), ' ')
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _431490)
   Exit: (186) [system] peek_char((0x55772f068e50), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _448424)
   Exit: (184) [system] peek_char((0x55772f068e50), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x55772f068e50), _453994)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _455852)
   Exit: (186) [system] peek_char((0x55772f068e50), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] get_char((0x55772f068e50), _471862)
   Exit: (185) [system] get_char((0x55772f068e50), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x55772f068e50), _453994)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _477432)
   Exit: (187) [system] peek_char((0x55772f068e50), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
   Call: (187) [system] (:)=(/)
   Fail: (187) [system] (:)=(/)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _493442)
   Exit: (186) [system] peek_char((0x55772f068e50), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x55772f068e50), _499012)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _500870)
   Exit: (188) [system] peek_char((0x55772f068e50), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
   Call: (188) [system] (:)=(/)
   Fail: (188) [system] (:)=(/)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] get_char((0x55772f068e50), _516880)
   Exit: (187) [system] get_char((0x55772f068e50), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x55772f068e50), :, _499012)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _534522)
   Call: (189) [system] peek_char((0x55772f068e50), _535456)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _534522=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (188) [user] classify_and_convert_charseq([:], _499012)
^  Call: (189) [user] classify_and_convert_charseq_([:], _544740)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_545692, _545694), once(user:catch(read_from_chars([:], _544740), _545674, fail)), '$restore_trace'(_545692, _545694))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_545692, _545694))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _545674, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(:)
   Exit: (190) [system] atomic(:)
^  Exit: (189) [user] classify_and_convert_charseq_([:], :)
   Call: (189) [system] integer(:)
   Fail: (189) [system] integer(:)
   Call: (189) [system] _499012=(:)
   Exit: (189) [system] (:)=(:)
^  Exit: (188) [user] classify_and_convert_charseq([:], :)
^  Exit: (187) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (186) [user] read_list(')', (0x55772f068e50), _557820)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _559678)
   Exit: (188) [system] peek_char((0x55772f068e50), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x55772f068e50), _569272)
   Exit: (188) [system] get_char((0x55772f068e50), ' ')
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _571976)
   Exit: (189) [system] peek_char((0x55772f068e50), 'C')
   Call: (189) [system] 'C'=(;)
   Fail: (189) [system] 'C'=(;)
   Call: (189) [system] 'C'=(/)
   Fail: (189) [system] 'C'=(/)
^  Call: (189) [user] is_like_space('C')
   Call: (190) [system] char_type('C', 'white')
   Fail: (190) [system] char_type('C', 'white')
   Call: (190) [system] char_type('C', end_of_line)
   Fail: (190) [system] char_type('C', end_of_line)
   Call: (190) [system] char_type('C', space)
   Fail: (190) [system] char_type('C', space)
   Call: (190) [system] char_type('C', cntrl)
   Fail: (190) [system] char_type('C', cntrl)
^  Fail: (189) [user] is_like_space('C')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _588910)
   Exit: (187) [system] peek_char((0x55772f068e50), 'C')
   Call: (187) [system] 'C'=')'
   Fail: (187) [system] 'C'=')'
   Call: (187) [system] 'C'=end_of_file
   Fail: (187) [system] 'C'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x55772f068e50), _594480)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _596338)
   Exit: (189) [system] peek_char((0x55772f068e50), 'C')
   Call: (189) [system] 'C'=(;)
   Fail: (189) [system] 'C'=(;)
   Call: (189) [system] 'C'=(/)
   Fail: (189) [system] 'C'=(/)
^  Call: (189) [user] is_like_space('C')
   Call: (190) [system] char_type('C', 'white')
   Fail: (190) [system] char_type('C', 'white')
   Call: (190) [system] char_type('C', end_of_line)
   Fail: (190) [system] char_type('C', end_of_line)
   Call: (190) [system] char_type('C', space)
   Fail: (190) [system] char_type('C', space)
   Call: (190) [system] char_type('C', cntrl)
   Fail: (190) [system] char_type('C', cntrl)
^  Fail: (189) [user] is_like_space('C')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] get_char((0x55772f068e50), _612348)
   Exit: (188) [system] get_char((0x55772f068e50), 'C')
   Call: (188) [system] 'C'='('
   Fail: (188) [system] 'C'='('
   Call: (188) [system] 'C'='['
   Fail: (188) [system] 'C'='['
   Call: (188) [system] 'C'='{'
   Fail: (188) [system] 'C'='{'
   Call: (188) [system] 'C'='"'
   Fail: (188) [system] 'C'='"'
   Call: (188) [system] 'C'=!
   Fail: (188) [system] 'C'=!
   Call: (188) [system] 'C'='\''
   Fail: (188) [system] 'C'='\''
   Call: (188) [system] 'C'='`'
   Fail: (188) [system] 'C'='`'
   Call: (188) [system] 'C'=end_of_file
   Fail: (188) [system] 'C'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x55772f068e50), 'C', _594480)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _629990)
   Call: (190) [system] peek_char((0x55772f068e50), _630924)
   Exit: (190) [system] peek_char((0x55772f068e50), o)
^  Call: (190) [user] is_delimiter(o)
   Call: (191) [system] char_type(o, space)
   Fail: (191) [system] char_type(o, space)
   Call: (191) [system] arg(_635644, v('(', ')', end_of_file), o)
   Fail: (191) [system] arg(_636576, v('(', ')', end_of_file), o)
^  Fail: (190) [user] is_delimiter(o)
   Call: (190) [system] ')'==o
   Fail: (190) [system] ')'==o
   Call: (190) [system] get_char((0x55772f068e50), o)
   Exit: (190) [system] get_char((0x55772f068e50), o)
   Call: (190) [system] o=(\)
   Fail: (190) [system] o=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _643926)
   Call: (191) [system] peek_char((0x55772f068e50), _644860)
   Exit: (191) [system] peek_char((0x55772f068e50), n)
^  Call: (191) [user] is_delimiter(n)
   Call: (192) [system] char_type(n, space)
   Fail: (192) [system] char_type(n, space)
   Call: (192) [system] arg(_649580, v('(', ')', end_of_file), n)
   Fail: (192) [system] arg(_650512, v('(', ')', end_of_file), n)
^  Fail: (191) [user] is_delimiter(n)
   Call: (191) [system] ')'==n
   Fail: (191) [system] ')'==n
   Call: (191) [system] get_char((0x55772f068e50), n)
   Exit: (191) [system] get_char((0x55772f068e50), n)
   Call: (191) [system] n=(\)
   Fail: (191) [system] n=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _657862)
   Call: (192) [system] peek_char((0x55772f068e50), _658796)
   Exit: (192) [system] peek_char((0x55772f068e50), j)
^  Call: (192) [user] is_delimiter(j)
   Call: (193) [system] char_type(j, space)
   Fail: (193) [system] char_type(j, space)
   Call: (193) [system] arg(_663516, v('(', ')', end_of_file), j)
   Fail: (193) [system] arg(_664448, v('(', ')', end_of_file), j)
^  Fail: (192) [user] is_delimiter(j)
   Call: (192) [system] ')'==j
   Fail: (192) [system] ')'==j
   Call: (192) [system] get_char((0x55772f068e50), j)
   Exit: (192) [system] get_char((0x55772f068e50), j)
   Call: (192) [system] j=(\)
   Fail: (192) [system] j=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _671798)
   Call: (193) [system] peek_char((0x55772f068e50), _672732)
   Exit: (193) [system] peek_char((0x55772f068e50), u)
^  Call: (193) [user] is_delimiter(u)
   Call: (194) [system] char_type(u, space)
   Fail: (194) [system] char_type(u, space)
   Call: (194) [system] arg(_677452, v('(', ')', end_of_file), u)
   Fail: (194) [system] arg(_678384, v('(', ')', end_of_file), u)
^  Fail: (193) [user] is_delimiter(u)
   Call: (193) [system] ')'==u
   Fail: (193) [system] ')'==u
   Call: (193) [system] get_char((0x55772f068e50), u)
   Exit: (193) [system] get_char((0x55772f068e50), u)
   Call: (193) [system] u=(\)
   Fail: (193) [system] u=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _685734)
   Call: (194) [system] peek_char((0x55772f068e50), _686668)
   Exit: (194) [system] peek_char((0x55772f068e50), n)
^  Call: (194) [user] is_delimiter(n)
   Call: (195) [system] char_type(n, space)
   Fail: (195) [system] char_type(n, space)
   Call: (195) [system] arg(_691388, v('(', ')', end_of_file), n)
   Fail: (195) [system] arg(_692320, v('(', ')', end_of_file), n)
^  Fail: (194) [user] is_delimiter(n)
   Call: (194) [system] ')'==n
   Fail: (194) [system] ')'==n
   Call: (194) [system] get_char((0x55772f068e50), n)
   Exit: (194) [system] get_char((0x55772f068e50), n)
   Call: (194) [system] n=(\)
   Fail: (194) [system] n=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _699670)
   Call: (195) [system] peek_char((0x55772f068e50), _700604)
   Exit: (195) [system] peek_char((0x55772f068e50), c)
^  Call: (195) [user] is_delimiter(c)
   Call: (196) [system] char_type(c, space)
   Fail: (196) [system] char_type(c, space)
   Call: (196) [system] arg(_705324, v('(', ')', end_of_file), c)
   Fail: (196) [system] arg(_706256, v('(', ')', end_of_file), c)
^  Fail: (195) [user] is_delimiter(c)
   Call: (195) [system] ')'==c
   Fail: (195) [system] ')'==c
   Call: (195) [system] get_char((0x55772f068e50), c)
   Exit: (195) [system] get_char((0x55772f068e50), c)
   Call: (195) [system] c=(\)
   Fail: (195) [system] c=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _713606)
   Call: (196) [system] peek_char((0x55772f068e50), _714540)
   Exit: (196) [system] peek_char((0x55772f068e50), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_719260, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_720192, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x55772f068e50), t)
   Exit: (196) [system] get_char((0x55772f068e50), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _727542)
   Call: (197) [system] peek_char((0x55772f068e50), _728476)
   Exit: (197) [system] peek_char((0x55772f068e50), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Fail: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_733196, v('(', ')', end_of_file), i)
   Fail: (198) [system] arg(_734128, v('(', ')', end_of_file), i)
^  Fail: (197) [user] is_delimiter(i)
   Call: (197) [system] ')'==i
   Fail: (197) [system] ')'==i
   Call: (197) [system] get_char((0x55772f068e50), i)
   Exit: (197) [system] get_char((0x55772f068e50), i)
   Call: (197) [system] i=(\)
   Fail: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _741478)
   Call: (198) [system] peek_char((0x55772f068e50), _742412)
   Exit: (198) [system] peek_char((0x55772f068e50), o)
^  Call: (198) [user] is_delimiter(o)
   Call: (199) [system] char_type(o, space)
   Fail: (199) [system] char_type(o, space)
   Call: (199) [system] arg(_747132, v('(', ')', end_of_file), o)
   Fail: (199) [system] arg(_748064, v('(', ')', end_of_file), o)
^  Fail: (198) [user] is_delimiter(o)
   Call: (198) [system] ')'==o
   Fail: (198) [system] ')'==o
   Call: (198) [system] get_char((0x55772f068e50), o)
   Exit: (198) [system] get_char((0x55772f068e50), o)
   Call: (198) [system] o=(\)
   Fail: (198) [system] o=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _755414)
   Call: (199) [system] peek_char((0x55772f068e50), _756348)
   Exit: (199) [system] peek_char((0x55772f068e50), n)
^  Call: (199) [user] is_delimiter(n)
   Call: (200) [system] char_type(n, space)
   Fail: (200) [system] char_type(n, space)
   Call: (200) [system] arg(_761068, v('(', ')', end_of_file), n)
   Fail: (200) [system] arg(_762000, v('(', ')', end_of_file), n)
^  Fail: (199) [user] is_delimiter(n)
   Call: (199) [system] ')'==n
   Fail: (199) [system] ')'==n
   Call: (199) [system] get_char((0x55772f068e50), n)
   Exit: (199) [system] get_char((0x55772f068e50), n)
   Call: (199) [system] n=(\)
   Fail: (199) [system] n=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _769350)
   Call: (200) [system] peek_char((0x55772f068e50), _770284)
   Exit: (200) [system] peek_char((0x55772f068e50), 'I')
^  Call: (200) [user] is_delimiter('I')
   Call: (201) [system] char_type('I', space)
   Fail: (201) [system] char_type('I', space)
   Call: (201) [system] arg(_775004, v('(', ')', end_of_file), 'I')
   Fail: (201) [system] arg(_775936, v('(', ')', end_of_file), 'I')
^  Fail: (200) [user] is_delimiter('I')
   Call: (200) [system] ')'=='I'
   Fail: (200) [system] ')'=='I'
   Call: (200) [system] get_char((0x55772f068e50), 'I')
   Exit: (200) [system] get_char((0x55772f068e50), 'I')
   Call: (200) [system] 'I'=(\)
   Fail: (200) [system] 'I'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _783286)
   Call: (201) [system] peek_char((0x55772f068e50), _784220)
   Exit: (201) [system] peek_char((0x55772f068e50), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_788940, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_789872, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x55772f068e50), n)
   Exit: (201) [system] get_char((0x55772f068e50), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _797222)
   Call: (202) [system] peek_char((0x55772f068e50), _798156)
   Exit: (202) [system] peek_char((0x55772f068e50), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Fail: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_802876, v('(', ')', end_of_file), t)
   Fail: (203) [system] arg(_803808, v('(', ')', end_of_file), t)
^  Fail: (202) [user] is_delimiter(t)
   Call: (202) [system] ')'==t
   Fail: (202) [system] ')'==t
   Call: (202) [system] get_char((0x55772f068e50), t)
   Exit: (202) [system] get_char((0x55772f068e50), t)
   Call: (202) [system] t=(\)
   Fail: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _811158)
   Call: (203) [system] peek_char((0x55772f068e50), _812092)
   Exit: (203) [system] peek_char((0x55772f068e50), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_816812, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_817744, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x55772f068e50), r)
   Exit: (203) [system] get_char((0x55772f068e50), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _825094)
   Call: (204) [system] peek_char((0x55772f068e50), _826028)
   Exit: (204) [system] peek_char((0x55772f068e50), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_830748, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_831680, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x55772f068e50), o)
   Exit: (204) [system] get_char((0x55772f068e50), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _839030)
   Call: (205) [system] peek_char((0x55772f068e50), _839964)
   Exit: (205) [system] peek_char((0x55772f068e50), d)
^  Call: (205) [user] is_delimiter(d)
   Call: (206) [system] char_type(d, space)
   Fail: (206) [system] char_type(d, space)
   Call: (206) [system] arg(_844684, v('(', ')', end_of_file), d)
   Fail: (206) [system] arg(_845616, v('(', ')', end_of_file), d)
^  Fail: (205) [user] is_delimiter(d)
   Call: (205) [system] ')'==d
   Fail: (205) [system] ')'==d
   Call: (205) [system] get_char((0x55772f068e50), d)
   Exit: (205) [system] get_char((0x55772f068e50), d)
   Call: (205) [system] d=(\)
   Fail: (205) [system] d=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _852966)
   Call: (206) [system] peek_char((0x55772f068e50), _853900)
   Exit: (206) [system] peek_char((0x55772f068e50), u)
^  Call: (206) [user] is_delimiter(u)
   Call: (207) [system] char_type(u, space)
   Fail: (207) [system] char_type(u, space)
   Call: (207) [system] arg(_858620, v('(', ')', end_of_file), u)
   Fail: (207) [system] arg(_859552, v('(', ')', end_of_file), u)
^  Fail: (206) [user] is_delimiter(u)
   Call: (206) [system] ')'==u
   Fail: (206) [system] ')'==u
   Call: (206) [system] get_char((0x55772f068e50), u)
   Exit: (206) [system] get_char((0x55772f068e50), u)
   Call: (206) [system] u=(\)
   Fail: (206) [system] u=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _866902)
   Call: (207) [system] peek_char((0x55772f068e50), _867836)
   Exit: (207) [system] peek_char((0x55772f068e50), c)
^  Call: (207) [user] is_delimiter(c)
   Call: (208) [system] char_type(c, space)
   Fail: (208) [system] char_type(c, space)
   Call: (208) [system] arg(_872556, v('(', ')', end_of_file), c)
   Fail: (208) [system] arg(_873488, v('(', ')', end_of_file), c)
^  Fail: (207) [user] is_delimiter(c)
   Call: (207) [system] ')'==c
   Fail: (207) [system] ')'==c
   Call: (207) [system] get_char((0x55772f068e50), c)
   Exit: (207) [system] get_char((0x55772f068e50), c)
   Call: (207) [system] c=(\)
   Fail: (207) [system] c=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _880838)
   Call: (208) [system] peek_char((0x55772f068e50), _881772)
   Exit: (208) [system] peek_char((0x55772f068e50), t)
^  Call: (208) [user] is_delimiter(t)
   Call: (209) [system] char_type(t, space)
   Fail: (209) [system] char_type(t, space)
   Call: (209) [system] arg(_886492, v('(', ')', end_of_file), t)
   Fail: (209) [system] arg(_887424, v('(', ')', end_of_file), t)
^  Fail: (208) [user] is_delimiter(t)
   Call: (208) [system] ')'==t
   Fail: (208) [system] ')'==t
   Call: (208) [system] get_char((0x55772f068e50), t)
   Exit: (208) [system] get_char((0x55772f068e50), t)
   Call: (208) [system] t=(\)
   Fail: (208) [system] t=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _894774)
   Call: (209) [system] peek_char((0x55772f068e50), _895708)
   Exit: (209) [system] peek_char((0x55772f068e50), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_900428, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_901360, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x55772f068e50), i)
   Exit: (209) [system] get_char((0x55772f068e50), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _908710)
   Call: (210) [system] peek_char((0x55772f068e50), _909644)
   Exit: (210) [system] peek_char((0x55772f068e50), o)
^  Call: (210) [user] is_delimiter(o)
   Call: (211) [system] char_type(o, space)
   Fail: (211) [system] char_type(o, space)
   Call: (211) [system] arg(_914364, v('(', ')', end_of_file), o)
   Fail: (211) [system] arg(_915296, v('(', ')', end_of_file), o)
^  Fail: (210) [user] is_delimiter(o)
   Call: (210) [system] ')'==o
   Fail: (210) [system] ')'==o
   Call: (210) [system] get_char((0x55772f068e50), o)
   Exit: (210) [system] get_char((0x55772f068e50), o)
   Call: (210) [system] o=(\)
   Fail: (210) [system] o=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _922646)
   Call: (211) [system] peek_char((0x55772f068e50), _923580)
   Exit: (211) [system] peek_char((0x55772f068e50), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_928300, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_929232, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x55772f068e50), n)
   Exit: (211) [system] get_char((0x55772f068e50), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _936582)
   Call: (212) [system] peek_char((0x55772f068e50), _937516)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _936582=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (211) [system] _922646=[n]
   Exit: (211) [system] [n]=[n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (210) [system] _908710=[o, n]
   Exit: (210) [system] [o, n]=[o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (209) [system] _894774=[i, o, n]
   Exit: (209) [system] [i, o, n]=[i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (208) [system] _880838=[t, i, o, n]
   Exit: (208) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (207) [system] _866902=[c, t, i, o, n]
   Exit: (207) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (206) [system] _852966=[u, c, t, i, o, n]
   Exit: (206) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (205) [system] _839030=[d, u, c, t, i, o, n]
   Exit: (205) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (204) [system] _825094=[o, d, u, c, t, i, o, n]
   Exit: (204) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (203) [system] _811158=[r, o, d, u, c, t, i, o, n]
   Exit: (203) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (202) [system] _797222=[t, r, o, d, u, c, t, i, o, n]
   Exit: (202) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (201) [system] _783286=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (201) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (200) [system] _769350=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (200) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (199) [system] _755414=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (199) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (198) [system] _741478=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (198) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (197) [system] _727542=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (197) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (196) [system] _713606=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (196) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (195) [system] _699670=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (195) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (194) [system] _685734=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (194) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (193) [system] _671798=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (193) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (192) [system] _657862=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (192) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (191) [system] _643926=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (191) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (190) [system] _629990=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (190) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (189) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _594480)
^  Call: (190) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1008268)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_1009220, _1009222), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1008268), _1009202, fail)), '$restore_trace'(_1009220, _1009222))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_1009220, _1009222))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1008268), _1009202, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(_1008268)
   Fail: (191) [system] atomic(_1008268)
   Call: (191) [system] atom_chars(_1008268, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (191) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (190) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (190) [system] integer('ConjunctionIntroduction')
   Fail: (190) [system] integer('ConjunctionIntroduction')
   Call: (190) [system] _594480='ConjunctionIntroduction'
   Exit: (190) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (189) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (188) [user] read_symbolic(')', (0x55772f068e50), 'C', 'ConjunctionIntroduction')
^  Exit: (187) [user] cont_sexpr(')', (0x55772f068e50), 'ConjunctionIntroduction')
^  Call: (187) [user] read_list(')', (0x55772f068e50), _1023218)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1025076)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x55772f068e50), _1034670)
   Exit: (189) [system] get_char((0x55772f068e50), ' ')
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1037374)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1054308)
   Exit: (188) [system] peek_char((0x55772f068e50), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x55772f068e50), _1059878)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1061736)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] get_char((0x55772f068e50), _1077746)
   Exit: (189) [system] get_char((0x55772f068e50), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x55772f068e50), _1059878)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1083316)
   Exit: (191) [system] peek_char((0x55772f068e50), -)
   Call: (191) [system] (-)=(;)
   Fail: (191) [system] (-)=(;)
   Call: (191) [system] (-)=(/)
   Fail: (191) [system] (-)=(/)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Fail: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Fail: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Fail: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
   Fail: (192) [system] char_type(-, cntrl)
^  Fail: (191) [user] is_like_space(-)
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1099326)
   Exit: (190) [system] peek_char((0x55772f068e50), -)
   Call: (190) [system] (-)=')'
   Fail: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
   Fail: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x55772f068e50), _1104896)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1106754)
   Exit: (192) [system] peek_char((0x55772f068e50), -)
   Call: (192) [system] (-)=(;)
   Fail: (192) [system] (-)=(;)
   Call: (192) [system] (-)=(/)
   Fail: (192) [system] (-)=(/)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Fail: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Fail: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Fail: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
   Fail: (193) [system] char_type(-, cntrl)
^  Fail: (192) [user] is_like_space(-)
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] get_char((0x55772f068e50), _1122764)
   Exit: (191) [system] get_char((0x55772f068e50), -)
   Call: (191) [system] (-)='('
   Fail: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Fail: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Fail: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Fail: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Fail: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Fail: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Fail: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
   Fail: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x55772f068e50), -, _1104896)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _1140406)
   Call: (193) [system] peek_char((0x55772f068e50), _1141340)
   Exit: (193) [system] peek_char((0x55772f068e50), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Fail: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_1146060, v('(', ')', end_of_file), >)
   Fail: (194) [system] arg(_1146992, v('(', ')', end_of_file), >)
^  Fail: (193) [user] is_delimiter(>)
   Call: (193) [system] ')'==(>)
   Fail: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x55772f068e50), >)
   Exit: (193) [system] get_char((0x55772f068e50), >)
   Call: (193) [system] (>)=(\)
   Fail: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _1154342)
   Call: (194) [system] peek_char((0x55772f068e50), _1155276)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1154342=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (193) [system] _1140406=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [>])
^  Call: (192) [user] classify_and_convert_charseq([-, >], _1104896)
^  Call: (193) [user] classify_and_convert_charseq_([-, >], _1167354)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_1168306, _1168308), once(user:catch(read_from_chars([-, >], _1167354), _1168288, fail)), '$restore_trace'(_1168306, _1168308))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_1168306, _1168308))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _1168288, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(->)
   Exit: (194) [system] atomic(->)
^  Exit: (193) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (193) [system] integer(->)
   Fail: (193) [system] integer(->)
   Call: (193) [system] _1104896=(->)
   Exit: (193) [system] (->)=(->)
^  Exit: (192) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (191) [user] read_symbolic(')', (0x55772f068e50), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x55772f068e50), ->)
^  Call: (190) [user] read_list(')', (0x55772f068e50), _1180434)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1182292)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x55772f068e50), _1191886)
   Exit: (192) [system] get_char((0x55772f068e50), ' ')
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1194590)
   Exit: (193) [system] peek_char((0x55772f068e50), $)
   Call: (193) [system] ($)=(;)
   Fail: (193) [system] ($)=(;)
   Call: (193) [system] ($)=(/)
   Fail: (193) [system] ($)=(/)
^  Call: (193) [user] is_like_space($)
   Call: (194) [system] char_type($, 'white')
   Fail: (194) [system] char_type($, 'white')
   Call: (194) [system] char_type($, end_of_line)
   Fail: (194) [system] char_type($, end_of_line)
   Call: (194) [system] char_type($, space)
   Fail: (194) [system] char_type($, space)
   Call: (194) [system] char_type($, cntrl)
   Fail: (194) [system] char_type($, cntrl)
^  Fail: (193) [user] is_like_space($)
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1211524)
   Exit: (191) [system] peek_char((0x55772f068e50), $)
   Call: (191) [system] ($)=')'
   Fail: (191) [system] ($)=')'
   Call: (191) [system] ($)=end_of_file
   Fail: (191) [system] ($)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x55772f068e50), _1217094)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1218952)
   Exit: (193) [system] peek_char((0x55772f068e50), $)
   Call: (193) [system] ($)=(;)
   Fail: (193) [system] ($)=(;)
   Call: (193) [system] ($)=(/)
   Fail: (193) [system] ($)=(/)
^  Call: (193) [user] is_like_space($)
   Call: (194) [system] char_type($, 'white')
   Fail: (194) [system] char_type($, 'white')
   Call: (194) [system] char_type($, end_of_line)
   Fail: (194) [system] char_type($, end_of_line)
   Call: (194) [system] char_type($, space)
   Fail: (194) [system] char_type($, space)
   Call: (194) [system] char_type($, cntrl)
   Fail: (194) [system] char_type($, cntrl)
^  Fail: (193) [user] is_like_space($)
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] get_char((0x55772f068e50), _1234962)
   Exit: (192) [system] get_char((0x55772f068e50), $)
   Call: (192) [system] ($)='('
   Fail: (192) [system] ($)='('
   Call: (192) [system] ($)='['
   Fail: (192) [system] ($)='['
   Call: (192) [system] ($)='{'
   Fail: (192) [system] ($)='{'
   Call: (192) [system] ($)='"'
   Fail: (192) [system] ($)='"'
   Call: (192) [system] ($)=!
   Fail: (192) [system] ($)=!
   Call: (192) [system] ($)='\''
   Fail: (192) [system] ($)='\''
   Call: (192) [system] ($)='`'
   Fail: (192) [system] ($)='`'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x55772f068e50), $, _1217094)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _1252604)
   Call: (194) [system] peek_char((0x55772f068e50), _1253538)
   Exit: (194) [system] peek_char((0x55772f068e50), p)
^  Call: (194) [user] is_delimiter(p)
   Call: (195) [system] char_type(p, space)
   Fail: (195) [system] char_type(p, space)
   Call: (195) [system] arg(_1258258, v('(', ')', end_of_file), p)
   Fail: (195) [system] arg(_1259190, v('(', ')', end_of_file), p)
^  Fail: (194) [user] is_delimiter(p)
   Call: (194) [system] ')'==p
   Fail: (194) [system] ')'==p
   Call: (194) [system] get_char((0x55772f068e50), p)
   Exit: (194) [system] get_char((0x55772f068e50), p)
   Call: (194) [system] p=(\)
   Fail: (194) [system] p=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _1266540)
   Call: (195) [system] peek_char((0x55772f068e50), _1267474)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _1266540=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (194) [system] _1252604=[p]
   Exit: (194) [system] [p]=[p]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [p])
^  Call: (193) [user] classify_and_convert_charseq([$, p], _1217094)
^  Call: (194) [user] classify_and_convert_charseq_([$, p], _1279552)
   Call: (195) [system] atom_chars(_1280484, ['_', p])
   Exit: (195) [system] atom_chars('_p', ['_', p])
^  Exit: (194) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (194) [system] integer(_p)
   Fail: (194) [system] integer(_p)
   Call: (194) [system] _1217094=_p
   Exit: (194) [system] _p=_p
^  Exit: (193) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (192) [user] read_symbolic(')', (0x55772f068e50), $, _p)
^  Exit: (191) [user] cont_sexpr(')', (0x55772f068e50), _p)
^  Call: (191) [user] read_list(')', (0x55772f068e50), _1289776)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1291634)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _1301228)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1303932)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1320866)
   Exit: (192) [system] peek_char((0x55772f068e50), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _1326436)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1328294)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _1344304)
   Exit: (193) [system] get_char((0x55772f068e50), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x55772f068e50), $, _1326436)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _1361946)
   Call: (195) [system] peek_char((0x55772f068e50), _1362880)
   Exit: (195) [system] peek_char((0x55772f068e50), q)
^  Call: (195) [user] is_delimiter(q)
   Call: (196) [system] char_type(q, space)
   Fail: (196) [system] char_type(q, space)
   Call: (196) [system] arg(_1367600, v('(', ')', end_of_file), q)
   Fail: (196) [system] arg(_1368532, v('(', ')', end_of_file), q)
^  Fail: (195) [user] is_delimiter(q)
   Call: (195) [system] ')'==q
   Fail: (195) [system] ')'==q
   Call: (195) [system] get_char((0x55772f068e50), q)
   Exit: (195) [system] get_char((0x55772f068e50), q)
   Call: (195) [system] q=(\)
   Fail: (195) [system] q=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _1375882)
   Call: (196) [system] peek_char((0x55772f068e50), _1376816)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1375882=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (195) [system] _1361946=[q]
   Exit: (195) [system] [q]=[q]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [q])
^  Call: (194) [user] classify_and_convert_charseq([$, q], _1326436)
^  Call: (195) [user] classify_and_convert_charseq_([$, q], _1388894)
   Call: (196) [system] atom_chars(_1389826, ['_', q])
   Exit: (196) [system] atom_chars('_q', ['_', q])
^  Exit: (195) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (195) [system] integer(_q)
   Fail: (195) [system] integer(_q)
   Call: (195) [system] _1326436=_q
   Exit: (195) [system] _q=_q
^  Exit: (194) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (193) [user] read_symbolic(')', (0x55772f068e50), $, _q)
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), _q)
^  Call: (192) [user] read_list(')', (0x55772f068e50), _1399118)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1400976)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _1410570)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1413274)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1430208)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _1435778)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1437636)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _1453646)
   Exit: (194) [system] get_char((0x55772f068e50), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x55772f068e50), _1435778)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1459216)
   Exit: (196) [system] peek_char((0x55772f068e50), 'A')
   Call: (196) [system] 'A'=(;)
   Fail: (196) [system] 'A'=(;)
   Call: (196) [system] 'A'=(/)
   Fail: (196) [system] 'A'=(/)
^  Call: (196) [user] is_like_space('A')
   Call: (197) [system] char_type('A', 'white')
   Fail: (197) [system] char_type('A', 'white')
   Call: (197) [system] char_type('A', end_of_line)
   Fail: (197) [system] char_type('A', end_of_line)
   Call: (197) [system] char_type('A', space)
   Fail: (197) [system] char_type('A', space)
   Call: (197) [system] char_type('A', cntrl)
   Fail: (197) [system] char_type('A', cntrl)
^  Fail: (196) [user] is_like_space('A')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1475226)
   Exit: (195) [system] peek_char((0x55772f068e50), 'A')
   Call: (195) [system] 'A'=')'
   Fail: (195) [system] 'A'=')'
   Call: (195) [system] 'A'=end_of_file
   Fail: (195) [system] 'A'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _1480796)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1482654)
   Exit: (197) [system] peek_char((0x55772f068e50), 'A')
   Call: (197) [system] 'A'=(;)
   Fail: (197) [system] 'A'=(;)
   Call: (197) [system] 'A'=(/)
   Fail: (197) [system] 'A'=(/)
^  Call: (197) [user] is_like_space('A')
   Call: (198) [system] char_type('A', 'white')
   Fail: (198) [system] char_type('A', 'white')
   Call: (198) [system] char_type('A', end_of_line)
   Fail: (198) [system] char_type('A', end_of_line)
   Call: (198) [system] char_type('A', space)
   Fail: (198) [system] char_type('A', space)
   Call: (198) [system] char_type('A', cntrl)
   Fail: (198) [system] char_type('A', cntrl)
^  Fail: (197) [user] is_like_space('A')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _1498664)
   Exit: (196) [system] get_char((0x55772f068e50), 'A')
   Call: (196) [system] 'A'='('
   Fail: (196) [system] 'A'='('
   Call: (196) [system] 'A'='['
   Fail: (196) [system] 'A'='['
   Call: (196) [system] 'A'='{'
   Fail: (196) [system] 'A'='{'
   Call: (196) [system] 'A'='"'
   Fail: (196) [system] 'A'='"'
   Call: (196) [system] 'A'=!
   Fail: (196) [system] 'A'=!
   Call: (196) [system] 'A'='\''
   Fail: (196) [system] 'A'='\''
   Call: (196) [system] 'A'='`'
   Fail: (196) [system] 'A'='`'
   Call: (196) [system] 'A'=end_of_file
   Fail: (196) [system] 'A'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x55772f068e50), 'A', _1480796)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1516306)
   Call: (198) [system] peek_char((0x55772f068e50), _1517240)
   Exit: (198) [system] peek_char((0x55772f068e50), n)
^  Call: (198) [user] is_delimiter(n)
   Call: (199) [system] char_type(n, space)
   Fail: (199) [system] char_type(n, space)
   Call: (199) [system] arg(_1521960, v('(', ')', end_of_file), n)
   Fail: (199) [system] arg(_1522892, v('(', ')', end_of_file), n)
^  Fail: (198) [user] is_delimiter(n)
   Call: (198) [system] ')'==n
   Fail: (198) [system] ')'==n
   Call: (198) [system] get_char((0x55772f068e50), n)
   Exit: (198) [system] get_char((0x55772f068e50), n)
   Call: (198) [system] n=(\)
   Fail: (198) [system] n=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1530242)
   Call: (199) [system] peek_char((0x55772f068e50), _1531176)
   Exit: (199) [system] peek_char((0x55772f068e50), d)
^  Call: (199) [user] is_delimiter(d)
   Call: (200) [system] char_type(d, space)
   Fail: (200) [system] char_type(d, space)
   Call: (200) [system] arg(_1535896, v('(', ')', end_of_file), d)
   Fail: (200) [system] arg(_1536828, v('(', ')', end_of_file), d)
^  Fail: (199) [user] is_delimiter(d)
   Call: (199) [system] ')'==d
   Fail: (199) [system] ')'==d
   Call: (199) [system] get_char((0x55772f068e50), d)
   Exit: (199) [system] get_char((0x55772f068e50), d)
   Call: (199) [system] d=(\)
   Fail: (199) [system] d=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1544178)
   Call: (200) [system] peek_char((0x55772f068e50), _1545112)
   Exit: (200) [system] peek_char((0x55772f068e50), 'L')
^  Call: (200) [user] is_delimiter('L')
   Call: (201) [system] char_type('L', space)
   Fail: (201) [system] char_type('L', space)
   Call: (201) [system] arg(_1549832, v('(', ')', end_of_file), 'L')
   Fail: (201) [system] arg(_1550764, v('(', ')', end_of_file), 'L')
^  Fail: (200) [user] is_delimiter('L')
   Call: (200) [system] ')'=='L'
   Fail: (200) [system] ')'=='L'
   Call: (200) [system] get_char((0x55772f068e50), 'L')
   Exit: (200) [system] get_char((0x55772f068e50), 'L')
   Call: (200) [system] 'L'=(\)
   Fail: (200) [system] 'L'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1558114)
   Call: (201) [system] peek_char((0x55772f068e50), _1559048)
   Exit: (201) [system] peek_char((0x55772f068e50), i)
^  Call: (201) [user] is_delimiter(i)
   Call: (202) [system] char_type(i, space)
   Fail: (202) [system] char_type(i, space)
   Call: (202) [system] arg(_1563768, v('(', ')', end_of_file), i)
   Fail: (202) [system] arg(_1564700, v('(', ')', end_of_file), i)
^  Fail: (201) [user] is_delimiter(i)
   Call: (201) [system] ')'==i
   Fail: (201) [system] ')'==i
   Call: (201) [system] get_char((0x55772f068e50), i)
   Exit: (201) [system] get_char((0x55772f068e50), i)
   Call: (201) [system] i=(\)
   Fail: (201) [system] i=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1572050)
   Call: (202) [system] peek_char((0x55772f068e50), _1572984)
   Exit: (202) [system] peek_char((0x55772f068e50), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Fail: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_1577704, v('(', ')', end_of_file), n)
   Fail: (203) [system] arg(_1578636, v('(', ')', end_of_file), n)
^  Fail: (202) [user] is_delimiter(n)
   Call: (202) [system] ')'==n
   Fail: (202) [system] ')'==n
   Call: (202) [system] get_char((0x55772f068e50), n)
   Exit: (202) [system] get_char((0x55772f068e50), n)
   Call: (202) [system] n=(\)
   Fail: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1585986)
   Call: (203) [system] peek_char((0x55772f068e50), _1586920)
   Exit: (203) [system] peek_char((0x55772f068e50), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Fail: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_1591640, v('(', ')', end_of_file), k)
   Fail: (204) [system] arg(_1592572, v('(', ')', end_of_file), k)
^  Fail: (203) [user] is_delimiter(k)
   Call: (203) [system] ')'==k
   Fail: (203) [system] ')'==k
   Call: (203) [system] get_char((0x55772f068e50), k)
   Exit: (203) [system] get_char((0x55772f068e50), k)
   Call: (203) [system] k=(\)
   Fail: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1599922)
   Call: (204) [system] peek_char((0x55772f068e50), _1600856)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1599922=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (203) [system] _1585986=[k]
   Exit: (203) [system] [k]=[k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (202) [system] _1572050=[n, k]
   Exit: (202) [system] [n, k]=[n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (201) [system] _1558114=[i, n, k]
   Exit: (201) [system] [i, n, k]=[i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (200) [system] _1544178=['L', i, n, k]
   Exit: (200) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (199) [system] _1530242=[d, 'L', i, n, k]
   Exit: (199) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (198) [system] _1516306=[n, d, 'L', i, n, k]
   Exit: (198) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (197) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1480796)
^  Call: (198) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1626904)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_1627856, _1627858), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1626904), _1627838, fail)), '$restore_trace'(_1627856, _1627858))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_1627856, _1627858))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1626904), _1627838, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(_1626904)
   Fail: (199) [system] atomic(_1626904)
   Call: (199) [system] atom_chars(_1626904, ['A', n, d, 'L', i, n, k])
   Exit: (199) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (198) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (198) [system] integer('AndLink')
   Fail: (198) [system] integer('AndLink')
   Call: (198) [system] _1480796='AndLink'
   Exit: (198) [system] 'AndLink'='AndLink'
^  Exit: (197) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (196) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (195) [user] read_list(')', (0x55772f068e50), _1641854)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1643712)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _1653306)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1656010)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1672944)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _1678514)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1680372)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _1696382)
   Exit: (197) [system] get_char((0x55772f068e50), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x55772f068e50), $, _1678514)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1714024)
   Call: (199) [system] peek_char((0x55772f068e50), _1714958)
   Exit: (199) [system] peek_char((0x55772f068e50), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_1719678, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_1720610, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x55772f068e50), p)
   Exit: (199) [system] get_char((0x55772f068e50), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1727960)
   Call: (200) [system] peek_char((0x55772f068e50), _1728894)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _1727960=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (199) [system] _1714024=[p]
   Exit: (199) [system] [p]=[p]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [p])
^  Call: (198) [user] classify_and_convert_charseq([$, p], _1678514)
^  Call: (199) [user] classify_and_convert_charseq_([$, p], _1740972)
   Call: (200) [system] atom_chars(_1741904, ['_', p])
   Exit: (200) [system] atom_chars('_p', ['_', p])
^  Exit: (199) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (199) [system] integer(_p)
   Fail: (199) [system] integer(_p)
   Call: (199) [system] _1678514=_p
   Exit: (199) [system] _p=_p
^  Exit: (198) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (197) [user] read_symbolic(')', (0x55772f068e50), $, _p)
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), _p)
^  Call: (196) [user] read_list(')', (0x55772f068e50), _1751196)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1753054)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _1762648)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1765352)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1782286)
   Exit: (197) [system] peek_char((0x55772f068e50), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _1787856)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1789714)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _1805724)
   Exit: (198) [system] get_char((0x55772f068e50), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x55772f068e50), $, _1787856)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1823366)
   Call: (200) [system] peek_char((0x55772f068e50), _1824300)
   Exit: (200) [system] peek_char((0x55772f068e50), q)
^  Call: (200) [user] is_delimiter(q)
   Call: (201) [system] char_type(q, space)
   Fail: (201) [system] char_type(q, space)
   Call: (201) [system] arg(_1829020, v('(', ')', end_of_file), q)
   Fail: (201) [system] arg(_1829952, v('(', ')', end_of_file), q)
^  Fail: (200) [user] is_delimiter(q)
   Call: (200) [system] ')'==q
   Fail: (200) [system] ')'==q
   Call: (200) [system] get_char((0x55772f068e50), q)
   Exit: (200) [system] get_char((0x55772f068e50), q)
   Call: (200) [system] q=(\)
   Fail: (200) [system] q=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1837302)
   Call: (201) [system] peek_char((0x55772f068e50), _1838236)
   Exit: (201) [system] peek_char((0x55772f068e50), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_1842956, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _1837302=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (200) [system] _1823366=[q]
   Exit: (200) [system] [q]=[q]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [q])
^  Call: (199) [user] classify_and_convert_charseq([$, q], _1787856)
^  Call: (200) [user] classify_and_convert_charseq_([$, q], _1852186)
   Call: (201) [system] atom_chars(_1853118, ['_', q])
   Exit: (201) [system] atom_chars('_q', ['_', q])
^  Exit: (200) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (200) [system] integer(_q)
   Fail: (200) [system] integer(_q)
   Call: (200) [system] _1787856=_q
   Exit: (200) [system] _q=_q
^  Exit: (199) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (198) [user] read_symbolic(')', (0x55772f068e50), $, _q)
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), _q)
^  Call: (197) [user] read_list(')', (0x55772f068e50), _1862410)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1864268)
   Exit: (199) [system] peek_char((0x55772f068e50), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1880278)
   Exit: (198) [system] peek_char((0x55772f068e50), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x55772f068e50), _1884068)
   Exit: (198) [system] get_char((0x55772f068e50), ')')
   Call: (198) [system] _1862410=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [])
   Call: (197) [system] _1751196=[_q]
   Exit: (197) [system] [_q]=[_q]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [_q])
   Call: (196) [system] _1641854=[_p, _q]
   Exit: (196) [system] [_p, _q]=[_p, _q]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [_p, _q])
   Call: (195) [system] _1435778=['AndLink', _p, _q]
   Exit: (195) [system] ['AndLink', _p, _q]=['AndLink', _p, _q]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), ['AndLink', _p, _q])
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', _p, _q])
^  Call: (193) [user] read_list(')', (0x55772f068e50), _1897950)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1899808)
   Exit: (195) [system] peek_char((0x55772f068e50), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1915818)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x55772f068e50), _1919608)
   Exit: (194) [system] get_char((0x55772f068e50), ')')
   Call: (194) [system] _1897950=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [])
   Call: (193) [system] _1399118=[['AndLink', _p, _q]]
   Exit: (193) [system] [['AndLink', _p, _q]]=[['AndLink', _p, _q]]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [['AndLink', _p, _q]])
   Call: (192) [system] _1289776=[_q, ['AndLink', _p, _q]]
   Exit: (192) [system] [_q, ['AndLink', _p, _q]]=[_q, ['AndLink', _p, _q]]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [_q, ['AndLink', _p, _q]])
   Call: (191) [system] _1180434=[_p, _q, ['AndLink', _p, _q]]
   Exit: (191) [system] [_p, _q, ['AndLink', _p, _q]]=[_p, _q, ['AndLink', _p, _q]]
^  Exit: (190) [user] read_list(')', (0x55772f068e50), [_p, _q, ['AndLink', _p, _q]])
   Call: (190) [system] _1059878=[->, _p, _q, ['AndLink', _p, _q]]
   Exit: (190) [system] [->, _p, _q, ['AndLink', _p, _q]]=[->, _p, _q, ['AndLink', _p, _q]]
^  Exit: (189) [user] read_list(')', (0x55772f068e50), [->, _p, _q, ['AndLink', _p, _q]])
^  Exit: (188) [user] cont_sexpr(')', (0x55772f068e50), [->, _p, _q, ['AndLink', _p, _q]])
^  Call: (188) [user] read_list(')', (0x55772f068e50), _1936284)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1938142)
   Exit: (190) [system] peek_char((0x55772f068e50), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1954152)
   Exit: (189) [system] peek_char((0x55772f068e50), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x55772f068e50), _1957942)
   Exit: (189) [system] get_char((0x55772f068e50), ')')
   Call: (189) [system] _1936284=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [])
   Call: (188) [system] _1023218=[[->, _p, _q, ['AndLink', _p, _q]]]
   Exit: (188) [system] [[->, _p, _q, ['AndLink', _p, _q]]]=[[->, _p, _q, ['AndLink', _p, _q]]]
^  Exit: (187) [user] read_list(')', (0x55772f068e50), [[->, _p, _q, ['AndLink', _p, _q]]])
   Call: (187) [system] _557820=['ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]
   Exit: (187) [system] ['ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]=['ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]
^  Exit: (186) [user] read_list(')', (0x55772f068e50), ['ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]])
   Call: (186) [system] _453994=[:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]
   Exit: (186) [system] [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]=[:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]])
^  Exit: (184) [user] cont_sexpr(')', (0x55772f068e50), [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]])
^  Call: (184) [user] read_list(')', (0x55772f068e50), _1971824)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1973682)
   Exit: (186) [system] peek_char((0x55772f068e50), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1989692)
   Exit: (185) [system] peek_char((0x55772f068e50), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x55772f068e50), _1993482)
   Exit: (185) [system] get_char((0x55772f068e50), ')')
   Call: (185) [system] _1971824=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [])
   Call: (184) [system] _417334=[[:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]
   Exit: (184) [system] [[:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]=[[:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]
^  Exit: (183) [user] read_list(')', (0x55772f068e50), [[:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]])
   Call: (183) [system] _228294=[[rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]
   Exit: (183) [system] [[rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]=[[rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]
^  Exit: (182) [user] read_list(')', (0x55772f068e50), [[rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]])
   Call: (182) [system] _90992=[=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]
   Exit: (182) [system] [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]=[=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]
^  Exit: (181) [user] read_list(')', (0x55772f068e50), [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]])
^  Exit: (180) [user] cont_sexpr(')', (0x55772f068e50), [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]])
^  Exit: (179) [user] read_sexpr((0x55772f068e50), [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]])
^  Call: (179) [user] assertz(metta_file_comment(114, 0, 4666, [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]], '$stream_position'(4666, 114, 0, 4666)))
^  Exit: (179) [user] assertz(metta_file_comment(114, 0, 4666, [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]], '$stream_position'(4666, 114, 0, 4666)))
^  Exit: (177) [system] once(user:(read_position((0x55772f068e50), 114, 0, 4666, '$stream_position'(4666, 114, 0, 4666)), read_sexpr((0x55772f068e50), [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]), assertz(metta_file_comment(114, 0, 4666, [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]], '$stream_position'(4666, 114, 0, 4666)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_2012000, _2012002, _2012004, _2012006, _2012008))
^  Exit: (177) [user] retract(metta_file_comment(60, 0, 2034, '$COMMENT'(";; Binary rule", 60, 0), '$stream_position'(2034, 60, 0, 2034)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Binary rule", 60, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";; Binary rule", 60, 0), _2014834))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";; Binary rule", 60, 0), _2014834)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";; Binary rule", 60, 0), _2014834)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; Binary rule", 60, 0), _2017650))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; Binary rule", 60, 0), _2017650))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Binary rule", 60, 0), _2017650)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";; Binary rule", 60, 0), _2020450))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";; Binary rule", 60, 0), _2020450)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";; Binary rule", 60, 0), _2020450)
   Call: (187) [system] var('$COMMENT'(";; Binary rule", 60, 0))
   Call: (187) [system] atom('$COMMENT'(";; Binary rule", 60, 0))
   Call: (187) [system] '$COMMENT'(";; Binary rule", 60, 0)==true
   Call: (187) [system] '$COMMENT'(";; Binary rule", 60, 0)==false
   Call: (187) [system] '$COMMENT'(";; Binary rule", 60, 0)==[_2026970, _2026976]
   Call: (187) [system] is_list('$COMMENT'(";; Binary rule", 60, 0))
   Call: (187) [system] string('$COMMENT'(";; Binary rule", 60, 0))
   Call: (187) [system] compound('$COMMENT'(";; Binary rule", 60, 0))
   Exit: (187) [system] compound('$COMMENT'(";; Binary rule", 60, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";; Binary rule", 60, 0), _2031604, _2031606)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Binary rule", 60, 0), '$COMMENT', [";; Binary rule", 60, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";; Binary rule", 60, 0], _2035346)
   Call: (188) [apply] apply:maplist_([";; Binary rule", 60, 0], _2035346, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";; Binary rule", _2037226)
   Call: (190) [system] var(";; Binary rule")
   Call: (190) [system] atom(";; Binary rule")
   Call: (190) [system] ";; Binary rule"==true
   Call: (190) [system] ";; Binary rule"==false
   Call: (190) [system] ";; Binary rule"==[_2041868, _2041874]
   Call: (190) [system] is_list(";; Binary rule")
   Call: (190) [system] string(";; Binary rule")
   Exit: (190) [system] string(";; Binary rule")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";; Binary rule")
^  Call: (190) [user] symbol(";; Binary rule")
   Call: (191) [system] atom(";; Binary rule")
   Fail: (191) [system] atom(";; Binary rule")
^  Fail: (190) [user] symbol(";; Binary rule")
   Call: (190) [system] ";; Binary rule"=_2037226
   Exit: (190) [system] ";; Binary rule"=";; Binary rule"
^  Exit: (189) [user] mfix_vars1(";; Binary rule", ";; Binary rule")
   Call: (189) [apply] apply:maplist_([60, 0], _2037228, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(60, _2055748)
   Call: (191) [system] var(60)
   Call: (191) [system] atom(60)
   Call: (191) [system] 60==true
   Call: (191) [system] 60==false
   Call: (191) [system] 60==[_2060390, _2060396]
   Call: (191) [system] is_list(60)
   Call: (191) [system] string(60)
   Call: (191) [system] compound(60)
^  Call: (191) [user] symbol(60)
   Call: (192) [system] atom(60)
   Fail: (192) [system] atom(60)
^  Fail: (191) [user] symbol(60)
   Call: (191) [system] 60=_2055748
   Exit: (191) [system] 60=60
^  Exit: (190) [user] mfix_vars1(60, 60)
   Call: (190) [apply] apply:maplist_([0], _2055750, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _2071514)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_2076156, _2076162]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_2071514
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _2071516, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([60, 0], [60, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";; Binary rule", 60, 0], [";; Binary rule", 60, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";; Binary rule", 60, 0], [";; Binary rule", 60, 0])
   Call: (187) [system] compound_name_arguments(_2020450, '$COMMENT', [";; Binary rule", 60, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Binary rule", 60, 0), '$COMMENT', [";; Binary rule", 60, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";; Binary rule", 60, 0), '$COMMENT'(";; Binary rule", 60, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";; Binary rule", 60, 0), '$COMMENT'(";; Binary rule", 60, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";; Binary rule", 60, 0), '$COMMENT'(";; Binary rule", 60, 0)))
   Call: (184) [system] '$COMMENT'(";; Binary rule", 60, 0)\=@='$COMMENT'(";; Binary rule", 60, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Binary rule", 60, 0), '$COMMENT'(";; Binary rule", 60, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; Binary rule", 60, 0), '$COMMENT'(";; Binary rule", 60, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; Binary rule", 60, 0), '$COMMENT'(";; Binary rule", 60, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; Binary rule", 60, 0), _6904))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";; Binary rule", 60, 0), _6904))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";; Binary rule", 60, 0), _6904)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";; Binary rule", 60, 0), _9704))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";; Binary rule", 60, 0), _9704)
^  Call: (186) [user] cons_to_c('$COMMENT'(";; Binary rule", 60, 0), _9704)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";; Binary rule", 60, 0), '$COMMENT'(";; Binary rule", 60, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";; Binary rule", 60, 0), '$COMMENT'(";; Binary rule", 60, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";; Binary rule", 60, 0), '$COMMENT'(";; Binary rule", 60, 0)))
   Call: (184) [system] '$COMMENT'(";; Binary rule", 60, 0)\=@='$COMMENT'(";; Binary rule", 60, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";; Binary rule", 60, 0), '$COMMENT'(";; Binary rule", 60, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";; Binary rule", 60, 0), '$COMMENT'(";; Binary rule", 60, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; Binary rule", 60, 0), '$COMMENT'(";; Binary rule", 60, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; Binary rule", 60, 0), _3326))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";; Binary rule", 60, 0), _3326))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";; Binary rule", 60, 0), _3326)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";; Binary rule", 60, 0), _23662))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";; Binary rule", 60, 0), _23662)
^  Call: (186) [user] cons_to_l('$COMMENT'(";; Binary rule", 60, 0), _23662)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";; Binary rule", 60, 0), '$COMMENT'(";; Binary rule", 60, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";; Binary rule", 60, 0), '$COMMENT'(";; Binary rule", 60, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";; Binary rule", 60, 0), '$COMMENT'(";; Binary rule", 60, 0)))
   Call: (184) [system] '$COMMENT'(";; Binary rule", 60, 0)\=@='$COMMENT'(";; Binary rule", 60, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";; Binary rule", 60, 0), '$COMMENT'(";; Binary rule", 60, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";; Binary rule", 60, 0), '$COMMENT'(";; Binary rule", 60, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; Binary rule", 60, 0), '$COMMENT'(";; Binary rule", 60, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";; Binary rule", 60, 0), '$COMMENT'(";; Binary rule", 60, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";; Binary rule", 60, 0), '$COMMENT'(";; Binary rule", 60, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; Binary rule", 60, 0), '$COMMENT'(";; Binary rule", 60, 0)))
   Call: (178) [system] '$COMMENT'(";; Binary rule", 60, 0)\=@='$COMMENT'(";; Binary rule", 60, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Binary rule", 60, 0), '$COMMENT'(";; Binary rule", 60, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; Binary rule", 60, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; Binary rule", 60, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; Binary rule", 60, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";; Binary rule", 60, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";; Binary rule", 60, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; Binary rule", 60, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; Binary rule", 60, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; Binary rule", 60, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";; Binary rule", 60, 0))
^  Exit: (171) [user] read_sform((0x55772f068e50), '$COMMENT'(";; Binary rule", 60, 0))
^  Exit: (170) [system] once(user:read_sform((0x55772f068e50), '$COMMENT'(";; Binary rule", 60, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x55772f068e50), '$COMMENT'(";; Binary rule", 60, 0)))
   Call: (169) [system] '$COMMENT'(";; Binary rule", 60, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; Binary rule", 60, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Binary rule", 60, 0)), 113]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; Binary rule", 60, 0), me_synthesize_1727481849_9551582, 113)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Binary rule", 60, 0)), 113]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727481860.8272505)
   Call: (173) [system] arg(1, t(1727481858.222791), _3148)
   Exit: (173) [system] arg(1, t(1727481858.222791), 1727481858.222791)
   Call: (173) [system] _3158 is 1727481860.8272505-1727481858.222791
   Exit: (173) [system] 2.604459524154663 is 1727481860.8272505-1727481858.222791
   Call: (173) [system] 2.604459524154663>4
   Fail: (173) [system] 2.604459524154663>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Binary rule", 60, 0)), 113]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 21)
   Call: (175) [system] atom(21+1)
   Call: (175) [system] set_flag(translated_forms, 22)
   Exit: (175) [system] set_flag(translated_forms, 22)
   Exit: (174) [$syspreds] update_flag(translated_forms, 21, 21+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 21, 21+1))
   Exit: (171) [$syspreds] flag(translated_forms, 21, 21+1)
^  Call: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; Binary rule", 60, 0), me_synthesize_1727481849_9551582, 113)
^  Call: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";; Binary rule"])
^  Exit: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";; Binary rule"])
^  Exit: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; Binary rule", 60, 0), me_synthesize_1727481849_9551582, 113)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Binary rule", 60, 0)), 113]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 21, 21+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; Binary rule", 60, 0), me_synthesize_1727481849_9551582, 113)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x55772f068e50))
   Fail: (169) [system] at_end_of_stream((0x55772f068e50))
^  Call: (169) [user] must_det_ll(line_count((0x55772f068e50), _3074))
^  Call: (170) [user] once(user:line_count((0x55772f068e50), _3074))
   Call: (171) [system] line_count((0x55772f068e50), _3074)
   Exit: (171) [system] line_count((0x55772f068e50), 114)
^  Exit: (170) [system] once(user:line_count((0x55772f068e50), 114))
^  Exit: (169) [user] must_det_ll(user:line_count((0x55772f068e50), 114))
^  Call: (169) [user] must_det_ll(read_sform((0x55772f068e50), _3084))
^  Call: (170) [user] once(user:read_sform((0x55772f068e50), _3084))
^  Call: (171) [user] read_sform((0x55772f068e50), _3084)
   Call: (172) [system] string((0x55772f068e50))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (173) [system] string((0x55772f068e50))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (174) [system] at_end_of_stream((0x55772f068e50))
   Call: (174) [system] peek_char((0x55772f068e50), _98446)
   Exit: (174) [system] peek_char((0x55772f068e50), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x55772f068e50), '\n')
   Exit: (174) [system] get_char((0x55772f068e50), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), _3084)
   Call: (175) [system] at_end_of_stream((0x55772f068e50))
   Call: (175) [system] peek_char((0x55772f068e50), _105868)
   Exit: (175) [system] peek_char((0x55772f068e50), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (176) [system] string((0x55772f068e50))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (177) [system] at_end_of_stream((0x55772f068e50))
   Call: (177) [system] peek_char((0x55772f068e50), _114206)
   Exit: (177) [system] peek_char((0x55772f068e50), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _116992=(0x55772f068e50)
   Exit: (177) [system] (0x55772f068e50)=(0x55772f068e50)
^  Call: (177) [user] once((read_position((0x55772f068e50), _118860, _118862, _118864, _118866), read_sexpr((0x55772f068e50), _118878), assertz(metta_file_comment(_118860, _118862, _118864, _118878, _118866))))
^  Call: (179) [user] read_position((0x55772f068e50), _118860, _118862, _118864, _118866)
   Call: (180) [system] stream_property((0x55772f068e50), position(_118866))
   Call: (181) [system] nonvar((0x55772f068e50))
   Exit: (181) [system] nonvar((0x55772f068e50))
   Call: (181) [system] nonvar(position(_118866))
   Exit: (181) [system] nonvar(position(_118866))
   Exit: (180) [system] stream_property((0x55772f068e50), position('$stream_position'(4730, 115, 0, 4730)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4730, 115, 0, 4730), _118860)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _129118)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4730, 115, 0, 4730), _118860)
   Exit: (181) [system] arg(2, '$stream_position'(4730, 115, 0, 4730), 115)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4730, 115, 0, 4730), 115)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4730, 115, 0, 4730), _118862)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _136552)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4730, 115, 0, 4730), _118862)
   Exit: (181) [system] arg(3, '$stream_position'(4730, 115, 0, 4730), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4730, 115, 0, 4730), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4730, 115, 0, 4730), _118864)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _143986)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4730, 115, 0, 4730), _118864)
   Exit: (181) [system] arg(1, '$stream_position'(4730, 115, 0, 4730), 4730)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4730, 115, 0, 4730), 4730)
^  Exit: (179) [user] read_position((0x55772f068e50), 115, 0, 4730, '$stream_position'(4730, 115, 0, 4730))
^  Call: (179) [user] read_sexpr((0x55772f068e50), _118878)
   Call: (180) [system] string((0x55772f068e50))
   Fail: (180) [system] string((0x55772f068e50))
^  Call: (180) [user] cont_sexpr(')', (0x55772f068e50), _118878)
^  Call: (181) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _154212)
   Exit: (182) [system] peek_char((0x55772f068e50), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x55772f068e50))
   Call: (181) [system] get_char((0x55772f068e50), _170222)
   Exit: (181) [system] get_char((0x55772f068e50), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x55772f068e50), _118878)
^  Call: (182) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _175792)
   Exit: (183) [system] peek_char((0x55772f068e50), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _191802)
   Exit: (182) [system] peek_char((0x55772f068e50), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x55772f068e50), _197372)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _199230)
   Exit: (184) [system] peek_char((0x55772f068e50), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] get_char((0x55772f068e50), _215240)
   Exit: (183) [system] get_char((0x55772f068e50), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x55772f068e50), =, _197372)
^  Call: (184) [user] read_symbolic_cont(')', (0x55772f068e50), _232882)
   Call: (185) [system] peek_char((0x55772f068e50), _233816)
   Exit: (185) [system] peek_char((0x55772f068e50), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _232882=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _197372)
^  Call: (185) [user] classify_and_convert_charseq_([=], _243100)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_244052, _244054), once(user:catch(read_from_chars([=], _243100), _244034, fail)), '$restore_trace'(_244052, _244054))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_244052, _244054))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _244034, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _197372=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x55772f068e50), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x55772f068e50), =)
^  Call: (182) [user] read_list(')', (0x55772f068e50), _256180)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _258038)
   Exit: (184) [system] peek_char((0x55772f068e50), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x55772f068e50), _267632)
   Exit: (184) [system] get_char((0x55772f068e50), ' ')
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _270336)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _287270)
   Exit: (183) [system] peek_char((0x55772f068e50), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x55772f068e50), _292840)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _294698)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] get_char((0x55772f068e50), _310708)
   Exit: (184) [system] get_char((0x55772f068e50), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x55772f068e50), _292840)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _316278)
   Exit: (186) [system] peek_char((0x55772f068e50), r)
   Call: (186) [system] r=(;)
   Fail: (186) [system] r=(;)
   Call: (186) [system] r=(/)
   Fail: (186) [system] r=(/)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Fail: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Fail: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Fail: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
   Fail: (187) [system] char_type(r, cntrl)
^  Fail: (186) [user] is_like_space(r)
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _332288)
   Exit: (185) [system] peek_char((0x55772f068e50), r)
   Call: (185) [system] r=')'
   Fail: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
   Fail: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x55772f068e50), _337858)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _339716)
   Exit: (187) [system] peek_char((0x55772f068e50), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
   Call: (187) [system] r=(/)
   Fail: (187) [system] r=(/)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] get_char((0x55772f068e50), _355726)
   Exit: (186) [system] get_char((0x55772f068e50), r)
   Call: (186) [system] r='('
   Fail: (186) [system] r='('
   Call: (186) [system] r='['
   Fail: (186) [system] r='['
   Call: (186) [system] r='{'
   Fail: (186) [system] r='{'
   Call: (186) [system] r='"'
   Fail: (186) [system] r='"'
   Call: (186) [system] r=!
   Fail: (186) [system] r=!
   Call: (186) [system] r='\''
   Fail: (186) [system] r='\''
   Call: (186) [system] r='`'
   Fail: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
   Fail: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x55772f068e50), r, _337858)
^  Call: (187) [user] read_symbolic_cont(')', (0x55772f068e50), _373368)
   Call: (188) [system] peek_char((0x55772f068e50), _374302)
   Exit: (188) [system] peek_char((0x55772f068e50), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_379022, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_379954, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x55772f068e50), b)
   Exit: (188) [system] get_char((0x55772f068e50), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _387304)
   Call: (189) [system] peek_char((0x55772f068e50), _388238)
   Exit: (189) [system] peek_char((0x55772f068e50), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_392958, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _387304=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (188) [system] _373368=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
^  Call: (187) [user] classify_and_convert_charseq([r, b], _337858)
^  Call: (188) [user] classify_and_convert_charseq_([r, b], _402188)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_403140, _403142), once(user:catch(read_from_chars([r, b], _402188), _403122, fail)), '$restore_trace'(_403140, _403142))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_403140, _403142))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _403122, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(rb)
   Exit: (189) [system] atomic(rb)
^  Exit: (188) [user] classify_and_convert_charseq_([r, b], rb)
   Call: (188) [system] integer(rb)
   Fail: (188) [system] integer(rb)
   Call: (188) [system] _337858=rb
   Exit: (188) [system] rb=rb
^  Exit: (187) [user] classify_and_convert_charseq([r, b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x55772f068e50), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x55772f068e50), rb)
^  Call: (185) [user] read_list(')', (0x55772f068e50), _415268)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _417126)
   Exit: (187) [system] peek_char((0x55772f068e50), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _433136)
   Exit: (186) [system] peek_char((0x55772f068e50), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x55772f068e50), _436926)
   Exit: (186) [system] get_char((0x55772f068e50), ')')
   Call: (186) [system] _415268=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [])
   Call: (185) [system] _292840=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x55772f068e50), [rb])
^  Call: (183) [user] read_list(')', (0x55772f068e50), _445220)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _447078)
   Exit: (185) [system] peek_char((0x55772f068e50), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x55772f068e50), _456672)
   Exit: (185) [system] get_char((0x55772f068e50), ' ')
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _459376)
   Exit: (186) [system] peek_char((0x55772f068e50), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _476310)
   Exit: (184) [system] peek_char((0x55772f068e50), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x55772f068e50), _481880)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _483738)
   Exit: (186) [system] peek_char((0x55772f068e50), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] get_char((0x55772f068e50), _499748)
   Exit: (185) [system] get_char((0x55772f068e50), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x55772f068e50), _481880)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _505318)
   Exit: (187) [system] peek_char((0x55772f068e50), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
   Call: (187) [system] (:)=(/)
   Fail: (187) [system] (:)=(/)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _521328)
   Exit: (186) [system] peek_char((0x55772f068e50), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x55772f068e50), _526898)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _528756)
   Exit: (188) [system] peek_char((0x55772f068e50), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
   Call: (188) [system] (:)=(/)
   Fail: (188) [system] (:)=(/)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] get_char((0x55772f068e50), _544766)
   Exit: (187) [system] get_char((0x55772f068e50), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x55772f068e50), :, _526898)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _562408)
   Call: (189) [system] peek_char((0x55772f068e50), _563342)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _562408=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (188) [user] classify_and_convert_charseq([:], _526898)
^  Call: (189) [user] classify_and_convert_charseq_([:], _572626)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_573578, _573580), once(user:catch(read_from_chars([:], _572626), _573560, fail)), '$restore_trace'(_573578, _573580))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_573578, _573580))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _573560, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(:)
   Exit: (190) [system] atomic(:)
^  Exit: (189) [user] classify_and_convert_charseq_([:], :)
   Call: (189) [system] integer(:)
   Fail: (189) [system] integer(:)
   Call: (189) [system] _526898=(:)
   Exit: (189) [system] (:)=(:)
^  Exit: (188) [user] classify_and_convert_charseq([:], :)
^  Exit: (187) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (186) [user] read_list(')', (0x55772f068e50), _585706)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _587564)
   Exit: (188) [system] peek_char((0x55772f068e50), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x55772f068e50), _597158)
   Exit: (188) [system] get_char((0x55772f068e50), ' ')
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _599862)
   Exit: (189) [system] peek_char((0x55772f068e50), 'C')
   Call: (189) [system] 'C'=(;)
   Fail: (189) [system] 'C'=(;)
   Call: (189) [system] 'C'=(/)
   Fail: (189) [system] 'C'=(/)
^  Call: (189) [user] is_like_space('C')
   Call: (190) [system] char_type('C', 'white')
   Fail: (190) [system] char_type('C', 'white')
   Call: (190) [system] char_type('C', end_of_line)
   Fail: (190) [system] char_type('C', end_of_line)
   Call: (190) [system] char_type('C', space)
   Fail: (190) [system] char_type('C', space)
   Call: (190) [system] char_type('C', cntrl)
   Fail: (190) [system] char_type('C', cntrl)
^  Fail: (189) [user] is_like_space('C')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _616796)
   Exit: (187) [system] peek_char((0x55772f068e50), 'C')
   Call: (187) [system] 'C'=')'
   Fail: (187) [system] 'C'=')'
   Call: (187) [system] 'C'=end_of_file
   Fail: (187) [system] 'C'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x55772f068e50), _622366)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _624224)
   Exit: (189) [system] peek_char((0x55772f068e50), 'C')
   Call: (189) [system] 'C'=(;)
   Fail: (189) [system] 'C'=(;)
   Call: (189) [system] 'C'=(/)
   Fail: (189) [system] 'C'=(/)
^  Call: (189) [user] is_like_space('C')
   Call: (190) [system] char_type('C', 'white')
   Fail: (190) [system] char_type('C', 'white')
   Call: (190) [system] char_type('C', end_of_line)
   Fail: (190) [system] char_type('C', end_of_line)
   Call: (190) [system] char_type('C', space)
   Fail: (190) [system] char_type('C', space)
   Call: (190) [system] char_type('C', cntrl)
   Fail: (190) [system] char_type('C', cntrl)
^  Fail: (189) [user] is_like_space('C')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] get_char((0x55772f068e50), _640234)
   Exit: (188) [system] get_char((0x55772f068e50), 'C')
   Call: (188) [system] 'C'='('
   Fail: (188) [system] 'C'='('
   Call: (188) [system] 'C'='['
   Fail: (188) [system] 'C'='['
   Call: (188) [system] 'C'='{'
   Fail: (188) [system] 'C'='{'
   Call: (188) [system] 'C'='"'
   Fail: (188) [system] 'C'='"'
   Call: (188) [system] 'C'=!
   Fail: (188) [system] 'C'=!
   Call: (188) [system] 'C'='\''
   Fail: (188) [system] 'C'='\''
   Call: (188) [system] 'C'='`'
   Fail: (188) [system] 'C'='`'
   Call: (188) [system] 'C'=end_of_file
   Fail: (188) [system] 'C'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x55772f068e50), 'C', _622366)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _657876)
   Call: (190) [system] peek_char((0x55772f068e50), _658810)
   Exit: (190) [system] peek_char((0x55772f068e50), o)
^  Call: (190) [user] is_delimiter(o)
   Call: (191) [system] char_type(o, space)
   Fail: (191) [system] char_type(o, space)
   Call: (191) [system] arg(_663530, v('(', ')', end_of_file), o)
   Fail: (191) [system] arg(_664462, v('(', ')', end_of_file), o)
^  Fail: (190) [user] is_delimiter(o)
   Call: (190) [system] ')'==o
   Fail: (190) [system] ')'==o
   Call: (190) [system] get_char((0x55772f068e50), o)
   Exit: (190) [system] get_char((0x55772f068e50), o)
   Call: (190) [system] o=(\)
   Fail: (190) [system] o=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _671812)
   Call: (191) [system] peek_char((0x55772f068e50), _672746)
   Exit: (191) [system] peek_char((0x55772f068e50), n)
^  Call: (191) [user] is_delimiter(n)
   Call: (192) [system] char_type(n, space)
   Fail: (192) [system] char_type(n, space)
   Call: (192) [system] arg(_677466, v('(', ')', end_of_file), n)
   Fail: (192) [system] arg(_678398, v('(', ')', end_of_file), n)
^  Fail: (191) [user] is_delimiter(n)
   Call: (191) [system] ')'==n
   Fail: (191) [system] ')'==n
   Call: (191) [system] get_char((0x55772f068e50), n)
   Exit: (191) [system] get_char((0x55772f068e50), n)
   Call: (191) [system] n=(\)
   Fail: (191) [system] n=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _685748)
   Call: (192) [system] peek_char((0x55772f068e50), _686682)
   Exit: (192) [system] peek_char((0x55772f068e50), j)
^  Call: (192) [user] is_delimiter(j)
   Call: (193) [system] char_type(j, space)
   Fail: (193) [system] char_type(j, space)
   Call: (193) [system] arg(_691402, v('(', ')', end_of_file), j)
   Fail: (193) [system] arg(_692334, v('(', ')', end_of_file), j)
^  Fail: (192) [user] is_delimiter(j)
   Call: (192) [system] ')'==j
   Fail: (192) [system] ')'==j
   Call: (192) [system] get_char((0x55772f068e50), j)
   Exit: (192) [system] get_char((0x55772f068e50), j)
   Call: (192) [system] j=(\)
   Fail: (192) [system] j=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _699684)
   Call: (193) [system] peek_char((0x55772f068e50), _700618)
   Exit: (193) [system] peek_char((0x55772f068e50), u)
^  Call: (193) [user] is_delimiter(u)
   Call: (194) [system] char_type(u, space)
   Fail: (194) [system] char_type(u, space)
   Call: (194) [system] arg(_705338, v('(', ')', end_of_file), u)
   Fail: (194) [system] arg(_706270, v('(', ')', end_of_file), u)
^  Fail: (193) [user] is_delimiter(u)
   Call: (193) [system] ')'==u
   Fail: (193) [system] ')'==u
   Call: (193) [system] get_char((0x55772f068e50), u)
   Exit: (193) [system] get_char((0x55772f068e50), u)
   Call: (193) [system] u=(\)
   Fail: (193) [system] u=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _713620)
   Call: (194) [system] peek_char((0x55772f068e50), _714554)
   Exit: (194) [system] peek_char((0x55772f068e50), n)
^  Call: (194) [user] is_delimiter(n)
   Call: (195) [system] char_type(n, space)
   Fail: (195) [system] char_type(n, space)
   Call: (195) [system] arg(_719274, v('(', ')', end_of_file), n)
   Fail: (195) [system] arg(_720206, v('(', ')', end_of_file), n)
^  Fail: (194) [user] is_delimiter(n)
   Call: (194) [system] ')'==n
   Fail: (194) [system] ')'==n
   Call: (194) [system] get_char((0x55772f068e50), n)
   Exit: (194) [system] get_char((0x55772f068e50), n)
   Call: (194) [system] n=(\)
   Fail: (194) [system] n=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _727556)
   Call: (195) [system] peek_char((0x55772f068e50), _728490)
   Exit: (195) [system] peek_char((0x55772f068e50), c)
^  Call: (195) [user] is_delimiter(c)
   Call: (196) [system] char_type(c, space)
   Fail: (196) [system] char_type(c, space)
   Call: (196) [system] arg(_733210, v('(', ')', end_of_file), c)
   Fail: (196) [system] arg(_734142, v('(', ')', end_of_file), c)
^  Fail: (195) [user] is_delimiter(c)
   Call: (195) [system] ')'==c
   Fail: (195) [system] ')'==c
   Call: (195) [system] get_char((0x55772f068e50), c)
   Exit: (195) [system] get_char((0x55772f068e50), c)
   Call: (195) [system] c=(\)
   Fail: (195) [system] c=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _741492)
   Call: (196) [system] peek_char((0x55772f068e50), _742426)
   Exit: (196) [system] peek_char((0x55772f068e50), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_747146, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_748078, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x55772f068e50), t)
   Exit: (196) [system] get_char((0x55772f068e50), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _755428)
   Call: (197) [system] peek_char((0x55772f068e50), _756362)
   Exit: (197) [system] peek_char((0x55772f068e50), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Fail: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_761082, v('(', ')', end_of_file), i)
   Fail: (198) [system] arg(_762014, v('(', ')', end_of_file), i)
^  Fail: (197) [user] is_delimiter(i)
   Call: (197) [system] ')'==i
   Fail: (197) [system] ')'==i
   Call: (197) [system] get_char((0x55772f068e50), i)
   Exit: (197) [system] get_char((0x55772f068e50), i)
   Call: (197) [system] i=(\)
   Fail: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _769364)
   Call: (198) [system] peek_char((0x55772f068e50), _770298)
   Exit: (198) [system] peek_char((0x55772f068e50), o)
^  Call: (198) [user] is_delimiter(o)
   Call: (199) [system] char_type(o, space)
   Fail: (199) [system] char_type(o, space)
   Call: (199) [system] arg(_775018, v('(', ')', end_of_file), o)
   Fail: (199) [system] arg(_775950, v('(', ')', end_of_file), o)
^  Fail: (198) [user] is_delimiter(o)
   Call: (198) [system] ')'==o
   Fail: (198) [system] ')'==o
   Call: (198) [system] get_char((0x55772f068e50), o)
   Exit: (198) [system] get_char((0x55772f068e50), o)
   Call: (198) [system] o=(\)
   Fail: (198) [system] o=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _783300)
   Call: (199) [system] peek_char((0x55772f068e50), _784234)
   Exit: (199) [system] peek_char((0x55772f068e50), n)
^  Call: (199) [user] is_delimiter(n)
   Call: (200) [system] char_type(n, space)
   Fail: (200) [system] char_type(n, space)
   Call: (200) [system] arg(_788954, v('(', ')', end_of_file), n)
   Fail: (200) [system] arg(_789886, v('(', ')', end_of_file), n)
^  Fail: (199) [user] is_delimiter(n)
   Call: (199) [system] ')'==n
   Fail: (199) [system] ')'==n
   Call: (199) [system] get_char((0x55772f068e50), n)
   Exit: (199) [system] get_char((0x55772f068e50), n)
   Call: (199) [system] n=(\)
   Fail: (199) [system] n=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _797236)
   Call: (200) [system] peek_char((0x55772f068e50), _798170)
   Exit: (200) [system] peek_char((0x55772f068e50), 'E')
^  Call: (200) [user] is_delimiter('E')
   Call: (201) [system] char_type('E', space)
   Fail: (201) [system] char_type('E', space)
   Call: (201) [system] arg(_802890, v('(', ')', end_of_file), 'E')
   Fail: (201) [system] arg(_803822, v('(', ')', end_of_file), 'E')
^  Fail: (200) [user] is_delimiter('E')
   Call: (200) [system] ')'=='E'
   Fail: (200) [system] ')'=='E'
   Call: (200) [system] get_char((0x55772f068e50), 'E')
   Exit: (200) [system] get_char((0x55772f068e50), 'E')
   Call: (200) [system] 'E'=(\)
   Fail: (200) [system] 'E'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _811172)
   Call: (201) [system] peek_char((0x55772f068e50), _812106)
   Exit: (201) [system] peek_char((0x55772f068e50), l)
^  Call: (201) [user] is_delimiter(l)
   Call: (202) [system] char_type(l, space)
   Fail: (202) [system] char_type(l, space)
   Call: (202) [system] arg(_816826, v('(', ')', end_of_file), l)
   Fail: (202) [system] arg(_817758, v('(', ')', end_of_file), l)
^  Fail: (201) [user] is_delimiter(l)
   Call: (201) [system] ')'==l
   Fail: (201) [system] ')'==l
   Call: (201) [system] get_char((0x55772f068e50), l)
   Exit: (201) [system] get_char((0x55772f068e50), l)
   Call: (201) [system] l=(\)
   Fail: (201) [system] l=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _825108)
   Call: (202) [system] peek_char((0x55772f068e50), _826042)
   Exit: (202) [system] peek_char((0x55772f068e50), i)
^  Call: (202) [user] is_delimiter(i)
   Call: (203) [system] char_type(i, space)
   Fail: (203) [system] char_type(i, space)
   Call: (203) [system] arg(_830762, v('(', ')', end_of_file), i)
   Fail: (203) [system] arg(_831694, v('(', ')', end_of_file), i)
^  Fail: (202) [user] is_delimiter(i)
   Call: (202) [system] ')'==i
   Fail: (202) [system] ')'==i
   Call: (202) [system] get_char((0x55772f068e50), i)
   Exit: (202) [system] get_char((0x55772f068e50), i)
   Call: (202) [system] i=(\)
   Fail: (202) [system] i=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _839044)
   Call: (203) [system] peek_char((0x55772f068e50), _839978)
   Exit: (203) [system] peek_char((0x55772f068e50), m)
^  Call: (203) [user] is_delimiter(m)
   Call: (204) [system] char_type(m, space)
   Fail: (204) [system] char_type(m, space)
   Call: (204) [system] arg(_844698, v('(', ')', end_of_file), m)
   Fail: (204) [system] arg(_845630, v('(', ')', end_of_file), m)
^  Fail: (203) [user] is_delimiter(m)
   Call: (203) [system] ')'==m
   Fail: (203) [system] ')'==m
   Call: (203) [system] get_char((0x55772f068e50), m)
   Exit: (203) [system] get_char((0x55772f068e50), m)
   Call: (203) [system] m=(\)
   Fail: (203) [system] m=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _852980)
   Call: (204) [system] peek_char((0x55772f068e50), _853914)
   Exit: (204) [system] peek_char((0x55772f068e50), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_858634, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_859566, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x55772f068e50), i)
   Exit: (204) [system] get_char((0x55772f068e50), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _866916)
   Call: (205) [system] peek_char((0x55772f068e50), _867850)
   Exit: (205) [system] peek_char((0x55772f068e50), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_872570, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_873502, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x55772f068e50), n)
   Exit: (205) [system] get_char((0x55772f068e50), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _880852)
   Call: (206) [system] peek_char((0x55772f068e50), _881786)
   Exit: (206) [system] peek_char((0x55772f068e50), a)
^  Call: (206) [user] is_delimiter(a)
   Call: (207) [system] char_type(a, space)
   Fail: (207) [system] char_type(a, space)
   Call: (207) [system] arg(_886506, v('(', ')', end_of_file), a)
   Fail: (207) [system] arg(_887438, v('(', ')', end_of_file), a)
^  Fail: (206) [user] is_delimiter(a)
   Call: (206) [system] ')'==a
   Fail: (206) [system] ')'==a
   Call: (206) [system] get_char((0x55772f068e50), a)
   Exit: (206) [system] get_char((0x55772f068e50), a)
   Call: (206) [system] a=(\)
   Fail: (206) [system] a=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _894788)
   Call: (207) [system] peek_char((0x55772f068e50), _895722)
   Exit: (207) [system] peek_char((0x55772f068e50), t)
^  Call: (207) [user] is_delimiter(t)
   Call: (208) [system] char_type(t, space)
   Fail: (208) [system] char_type(t, space)
   Call: (208) [system] arg(_900442, v('(', ')', end_of_file), t)
   Fail: (208) [system] arg(_901374, v('(', ')', end_of_file), t)
^  Fail: (207) [user] is_delimiter(t)
   Call: (207) [system] ')'==t
   Fail: (207) [system] ')'==t
   Call: (207) [system] get_char((0x55772f068e50), t)
   Exit: (207) [system] get_char((0x55772f068e50), t)
   Call: (207) [system] t=(\)
   Fail: (207) [system] t=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _908724)
   Call: (208) [system] peek_char((0x55772f068e50), _909658)
   Exit: (208) [system] peek_char((0x55772f068e50), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_914378, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_915310, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x55772f068e50), i)
   Exit: (208) [system] get_char((0x55772f068e50), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _922660)
   Call: (209) [system] peek_char((0x55772f068e50), _923594)
   Exit: (209) [system] peek_char((0x55772f068e50), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_928314, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_929246, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x55772f068e50), o)
   Exit: (209) [system] get_char((0x55772f068e50), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _936596)
   Call: (210) [system] peek_char((0x55772f068e50), _937530)
   Exit: (210) [system] peek_char((0x55772f068e50), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_942250, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_943182, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x55772f068e50), n)
   Exit: (210) [system] get_char((0x55772f068e50), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _950532)
   Call: (211) [system] peek_char((0x55772f068e50), _951466)
   Exit: (211) [system] peek_char((0x55772f068e50), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Fail: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_956186, v('(', ')', end_of_file), 'L')
   Fail: (212) [system] arg(_957118, v('(', ')', end_of_file), 'L')
^  Fail: (211) [user] is_delimiter('L')
   Call: (211) [system] ')'=='L'
   Fail: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x55772f068e50), 'L')
   Exit: (211) [system] get_char((0x55772f068e50), 'L')
   Call: (211) [system] 'L'=(\)
   Fail: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _964468)
   Call: (212) [system] peek_char((0x55772f068e50), _965402)
   Exit: (212) [system] peek_char((0x55772f068e50), e)
^  Call: (212) [user] is_delimiter(e)
   Call: (213) [system] char_type(e, space)
   Fail: (213) [system] char_type(e, space)
   Call: (213) [system] arg(_970122, v('(', ')', end_of_file), e)
   Fail: (213) [system] arg(_971054, v('(', ')', end_of_file), e)
^  Fail: (212) [user] is_delimiter(e)
   Call: (212) [system] ')'==e
   Fail: (212) [system] ')'==e
   Call: (212) [system] get_char((0x55772f068e50), e)
   Exit: (212) [system] get_char((0x55772f068e50), e)
   Call: (212) [system] e=(\)
   Fail: (212) [system] e=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _978404)
   Call: (213) [system] peek_char((0x55772f068e50), _979338)
   Exit: (213) [system] peek_char((0x55772f068e50), f)
^  Call: (213) [user] is_delimiter(f)
   Call: (214) [system] char_type(f, space)
   Fail: (214) [system] char_type(f, space)
   Call: (214) [system] arg(_984058, v('(', ')', end_of_file), f)
   Fail: (214) [system] arg(_984990, v('(', ')', end_of_file), f)
^  Fail: (213) [user] is_delimiter(f)
   Call: (213) [system] ')'==f
   Fail: (213) [system] ')'==f
   Call: (213) [system] get_char((0x55772f068e50), f)
   Exit: (213) [system] get_char((0x55772f068e50), f)
   Call: (213) [system] f=(\)
   Fail: (213) [system] f=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _992340)
   Call: (214) [system] peek_char((0x55772f068e50), _993274)
   Exit: (214) [system] peek_char((0x55772f068e50), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Fail: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_997994, v('(', ')', end_of_file), t)
   Fail: (215) [system] arg(_998926, v('(', ')', end_of_file), t)
^  Fail: (214) [user] is_delimiter(t)
   Call: (214) [system] ')'==t
   Fail: (214) [system] ')'==t
   Call: (214) [system] get_char((0x55772f068e50), t)
   Exit: (214) [system] get_char((0x55772f068e50), t)
   Call: (214) [system] t=(\)
   Fail: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1006276)
   Call: (215) [system] peek_char((0x55772f068e50), _1007210)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1006276=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (214) [system] _992340=[t]
   Exit: (214) [system] [t]=[t]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [t])
   Call: (213) [system] _978404=[f, t]
   Exit: (213) [system] [f, t]=[f, t]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [f, t])
   Call: (212) [system] _964468=[e, f, t]
   Exit: (212) [system] [e, f, t]=[e, f, t]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [e, f, t])
   Call: (211) [system] _950532=['L', e, f, t]
   Exit: (211) [system] ['L', e, f, t]=['L', e, f, t]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', e, f, t])
   Call: (210) [system] _936596=[n, 'L', e, f, t]
   Exit: (210) [system] [n, 'L', e, f, t]=[n, 'L', e, f, t]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'L', e, f, t])
   Call: (209) [system] _922660=[o, n, 'L', e, f, t]
   Exit: (209) [system] [o, n, 'L', e, f, t]=[o, n, 'L', e, f, t]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'L', e, f, t])
   Call: (208) [system] _908724=[i, o, n, 'L', e, f, t]
   Exit: (208) [system] [i, o, n, 'L', e, f, t]=[i, o, n, 'L', e, f, t]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'L', e, f, t])
   Call: (207) [system] _894788=[t, i, o, n, 'L', e, f, t]
   Exit: (207) [system] [t, i, o, n, 'L', e, f, t]=[t, i, o, n, 'L', e, f, t]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'L', e, f, t])
   Call: (206) [system] _880852=[a, t, i, o, n, 'L', e, f, t]
   Exit: (206) [system] [a, t, i, o, n, 'L', e, f, t]=[a, t, i, o, n, 'L', e, f, t]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n, 'L', e, f, t])
   Call: (205) [system] _866916=[n, a, t, i, o, n, 'L', e, f, t]
   Exit: (205) [system] [n, a, t, i, o, n, 'L', e, f, t]=[n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [n, a, t, i, o, n, 'L', e, f, t])
   Call: (204) [system] _852980=[i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (204) [system] [i, n, a, t, i, o, n, 'L', e, f, t]=[i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (203) [system] _839044=[m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (203) [system] [m, i, n, a, t, i, o, n, 'L', e, f, t]=[m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (202) [system] _825108=[i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (202) [system] [i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (201) [system] _811172=[l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (201) [system] [l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (200) [system] _797236=['E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (200) [system] ['E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=['E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), ['E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (199) [system] _783300=[n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (199) [system] [n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (198) [system] _769364=[o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (198) [system] [o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (197) [system] _755428=[i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (197) [system] [i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (196) [system] _741492=[t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (196) [system] [t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (195) [system] _727556=[c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (195) [system] [c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (194) [system] _713620=[n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (194) [system] [n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (193) [system] _699684=[u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (193) [system] [u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (192) [system] _685748=[j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (192) [system] [j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (191) [system] _671812=[n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (191) [system] [n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (190) [system] _657876=[o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (190) [system] [o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
^  Call: (189) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t], _622366)
^  Call: (190) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t], _1086344)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_1087296, _1087298), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t], _1086344), _1087278, fail)), '$restore_trace'(_1087296, _1087298))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_1087296, _1087298))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t], _1086344), _1087278, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(_1086344)
   Fail: (191) [system] atomic(_1086344)
   Call: (191) [system] atom_chars(_1086344, ['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Exit: (191) [system] atom_chars('ConjunctionEliminationLeft', ['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
^  Exit: (190) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t], 'ConjunctionEliminationLeft')
   Call: (190) [system] integer('ConjunctionEliminationLeft')
   Fail: (190) [system] integer('ConjunctionEliminationLeft')
   Call: (190) [system] _622366='ConjunctionEliminationLeft'
   Exit: (190) [system] 'ConjunctionEliminationLeft'='ConjunctionEliminationLeft'
^  Exit: (189) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t], 'ConjunctionEliminationLeft')
^  Exit: (188) [user] read_symbolic(')', (0x55772f068e50), 'C', 'ConjunctionEliminationLeft')
^  Exit: (187) [user] cont_sexpr(')', (0x55772f068e50), 'ConjunctionEliminationLeft')
^  Call: (187) [user] read_list(')', (0x55772f068e50), _1101294)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1103152)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x55772f068e50), _1112746)
   Exit: (189) [system] get_char((0x55772f068e50), ' ')
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1115450)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1132384)
   Exit: (188) [system] peek_char((0x55772f068e50), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x55772f068e50), _1137954)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1139812)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] get_char((0x55772f068e50), _1155822)
   Exit: (189) [system] get_char((0x55772f068e50), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x55772f068e50), _1137954)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1161392)
   Exit: (191) [system] peek_char((0x55772f068e50), -)
   Call: (191) [system] (-)=(;)
   Fail: (191) [system] (-)=(;)
   Call: (191) [system] (-)=(/)
   Fail: (191) [system] (-)=(/)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Fail: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Fail: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Fail: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
   Fail: (192) [system] char_type(-, cntrl)
^  Fail: (191) [user] is_like_space(-)
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1177402)
   Exit: (190) [system] peek_char((0x55772f068e50), -)
   Call: (190) [system] (-)=')'
   Fail: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
   Fail: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x55772f068e50), _1182972)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1184830)
   Exit: (192) [system] peek_char((0x55772f068e50), -)
   Call: (192) [system] (-)=(;)
   Fail: (192) [system] (-)=(;)
   Call: (192) [system] (-)=(/)
   Fail: (192) [system] (-)=(/)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Fail: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Fail: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Fail: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
   Fail: (193) [system] char_type(-, cntrl)
^  Fail: (192) [user] is_like_space(-)
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] get_char((0x55772f068e50), _1200840)
   Exit: (191) [system] get_char((0x55772f068e50), -)
   Call: (191) [system] (-)='('
   Fail: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Fail: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Fail: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Fail: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Fail: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Fail: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Fail: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
   Fail: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x55772f068e50), -, _1182972)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _1218482)
   Call: (193) [system] peek_char((0x55772f068e50), _1219416)
   Exit: (193) [system] peek_char((0x55772f068e50), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Fail: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_1224136, v('(', ')', end_of_file), >)
   Fail: (194) [system] arg(_1225068, v('(', ')', end_of_file), >)
^  Fail: (193) [user] is_delimiter(>)
   Call: (193) [system] ')'==(>)
   Fail: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x55772f068e50), >)
   Exit: (193) [system] get_char((0x55772f068e50), >)
   Call: (193) [system] (>)=(\)
   Fail: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _1232418)
   Call: (194) [system] peek_char((0x55772f068e50), _1233352)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1232418=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (193) [system] _1218482=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [>])
^  Call: (192) [user] classify_and_convert_charseq([-, >], _1182972)
^  Call: (193) [user] classify_and_convert_charseq_([-, >], _1245430)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_1246382, _1246384), once(user:catch(read_from_chars([-, >], _1245430), _1246364, fail)), '$restore_trace'(_1246382, _1246384))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_1246382, _1246384))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _1246364, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(->)
   Exit: (194) [system] atomic(->)
^  Exit: (193) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (193) [system] integer(->)
   Fail: (193) [system] integer(->)
   Call: (193) [system] _1182972=(->)
   Exit: (193) [system] (->)=(->)
^  Exit: (192) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (191) [user] read_symbolic(')', (0x55772f068e50), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x55772f068e50), ->)
^  Call: (190) [user] read_list(')', (0x55772f068e50), _1258510)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1260368)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x55772f068e50), _1269962)
   Exit: (192) [system] get_char((0x55772f068e50), ' ')
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1272666)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1289600)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x55772f068e50), _1295170)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1297028)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] get_char((0x55772f068e50), _1313038)
   Exit: (192) [system] get_char((0x55772f068e50), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x55772f068e50), _1295170)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1318608)
   Exit: (194) [system] peek_char((0x55772f068e50), 'A')
   Call: (194) [system] 'A'=(;)
   Fail: (194) [system] 'A'=(;)
   Call: (194) [system] 'A'=(/)
   Fail: (194) [system] 'A'=(/)
^  Call: (194) [user] is_like_space('A')
   Call: (195) [system] char_type('A', 'white')
   Fail: (195) [system] char_type('A', 'white')
   Call: (195) [system] char_type('A', end_of_line)
   Fail: (195) [system] char_type('A', end_of_line)
   Call: (195) [system] char_type('A', space)
   Fail: (195) [system] char_type('A', space)
   Call: (195) [system] char_type('A', cntrl)
   Fail: (195) [system] char_type('A', cntrl)
^  Fail: (194) [user] is_like_space('A')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1334618)
   Exit: (193) [system] peek_char((0x55772f068e50), 'A')
   Call: (193) [system] 'A'=')'
   Fail: (193) [system] 'A'=')'
   Call: (193) [system] 'A'=end_of_file
   Fail: (193) [system] 'A'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _1340188)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1342046)
   Exit: (195) [system] peek_char((0x55772f068e50), 'A')
   Call: (195) [system] 'A'=(;)
   Fail: (195) [system] 'A'=(;)
   Call: (195) [system] 'A'=(/)
   Fail: (195) [system] 'A'=(/)
^  Call: (195) [user] is_like_space('A')
   Call: (196) [system] char_type('A', 'white')
   Fail: (196) [system] char_type('A', 'white')
   Call: (196) [system] char_type('A', end_of_line)
   Fail: (196) [system] char_type('A', end_of_line)
   Call: (196) [system] char_type('A', space)
   Fail: (196) [system] char_type('A', space)
   Call: (196) [system] char_type('A', cntrl)
   Fail: (196) [system] char_type('A', cntrl)
^  Fail: (195) [user] is_like_space('A')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _1358056)
   Exit: (194) [system] get_char((0x55772f068e50), 'A')
   Call: (194) [system] 'A'='('
   Fail: (194) [system] 'A'='('
   Call: (194) [system] 'A'='['
   Fail: (194) [system] 'A'='['
   Call: (194) [system] 'A'='{'
   Fail: (194) [system] 'A'='{'
   Call: (194) [system] 'A'='"'
   Fail: (194) [system] 'A'='"'
   Call: (194) [system] 'A'=!
   Fail: (194) [system] 'A'=!
   Call: (194) [system] 'A'='\''
   Fail: (194) [system] 'A'='\''
   Call: (194) [system] 'A'='`'
   Fail: (194) [system] 'A'='`'
   Call: (194) [system] 'A'=end_of_file
   Fail: (194) [system] 'A'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x55772f068e50), 'A', _1340188)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _1375698)
   Call: (196) [system] peek_char((0x55772f068e50), _1376632)
   Exit: (196) [system] peek_char((0x55772f068e50), n)
^  Call: (196) [user] is_delimiter(n)
   Call: (197) [system] char_type(n, space)
   Fail: (197) [system] char_type(n, space)
   Call: (197) [system] arg(_1381352, v('(', ')', end_of_file), n)
   Fail: (197) [system] arg(_1382284, v('(', ')', end_of_file), n)
^  Fail: (196) [user] is_delimiter(n)
   Call: (196) [system] ')'==n
   Fail: (196) [system] ')'==n
   Call: (196) [system] get_char((0x55772f068e50), n)
   Exit: (196) [system] get_char((0x55772f068e50), n)
   Call: (196) [system] n=(\)
   Fail: (196) [system] n=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1389634)
   Call: (197) [system] peek_char((0x55772f068e50), _1390568)
   Exit: (197) [system] peek_char((0x55772f068e50), d)
^  Call: (197) [user] is_delimiter(d)
   Call: (198) [system] char_type(d, space)
   Fail: (198) [system] char_type(d, space)
   Call: (198) [system] arg(_1395288, v('(', ')', end_of_file), d)
   Fail: (198) [system] arg(_1396220, v('(', ')', end_of_file), d)
^  Fail: (197) [user] is_delimiter(d)
   Call: (197) [system] ')'==d
   Fail: (197) [system] ')'==d
   Call: (197) [system] get_char((0x55772f068e50), d)
   Exit: (197) [system] get_char((0x55772f068e50), d)
   Call: (197) [system] d=(\)
   Fail: (197) [system] d=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1403570)
   Call: (198) [system] peek_char((0x55772f068e50), _1404504)
   Exit: (198) [system] peek_char((0x55772f068e50), 'L')
^  Call: (198) [user] is_delimiter('L')
   Call: (199) [system] char_type('L', space)
   Fail: (199) [system] char_type('L', space)
   Call: (199) [system] arg(_1409224, v('(', ')', end_of_file), 'L')
   Fail: (199) [system] arg(_1410156, v('(', ')', end_of_file), 'L')
^  Fail: (198) [user] is_delimiter('L')
   Call: (198) [system] ')'=='L'
   Fail: (198) [system] ')'=='L'
   Call: (198) [system] get_char((0x55772f068e50), 'L')
   Exit: (198) [system] get_char((0x55772f068e50), 'L')
   Call: (198) [system] 'L'=(\)
   Fail: (198) [system] 'L'=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1417506)
   Call: (199) [system] peek_char((0x55772f068e50), _1418440)
   Exit: (199) [system] peek_char((0x55772f068e50), i)
^  Call: (199) [user] is_delimiter(i)
   Call: (200) [system] char_type(i, space)
   Fail: (200) [system] char_type(i, space)
   Call: (200) [system] arg(_1423160, v('(', ')', end_of_file), i)
   Fail: (200) [system] arg(_1424092, v('(', ')', end_of_file), i)
^  Fail: (199) [user] is_delimiter(i)
   Call: (199) [system] ')'==i
   Fail: (199) [system] ')'==i
   Call: (199) [system] get_char((0x55772f068e50), i)
   Exit: (199) [system] get_char((0x55772f068e50), i)
   Call: (199) [system] i=(\)
   Fail: (199) [system] i=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1431442)
   Call: (200) [system] peek_char((0x55772f068e50), _1432376)
   Exit: (200) [system] peek_char((0x55772f068e50), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Fail: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_1437096, v('(', ')', end_of_file), n)
   Fail: (201) [system] arg(_1438028, v('(', ')', end_of_file), n)
^  Fail: (200) [user] is_delimiter(n)
   Call: (200) [system] ')'==n
   Fail: (200) [system] ')'==n
   Call: (200) [system] get_char((0x55772f068e50), n)
   Exit: (200) [system] get_char((0x55772f068e50), n)
   Call: (200) [system] n=(\)
   Fail: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1445378)
   Call: (201) [system] peek_char((0x55772f068e50), _1446312)
   Exit: (201) [system] peek_char((0x55772f068e50), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Fail: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_1451032, v('(', ')', end_of_file), k)
   Fail: (202) [system] arg(_1451964, v('(', ')', end_of_file), k)
^  Fail: (201) [user] is_delimiter(k)
   Call: (201) [system] ')'==k
   Fail: (201) [system] ')'==k
   Call: (201) [system] get_char((0x55772f068e50), k)
   Exit: (201) [system] get_char((0x55772f068e50), k)
   Call: (201) [system] k=(\)
   Fail: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1459314)
   Call: (202) [system] peek_char((0x55772f068e50), _1460248)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _1459314=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (201) [system] _1445378=[k]
   Exit: (201) [system] [k]=[k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (200) [system] _1431442=[n, k]
   Exit: (200) [system] [n, k]=[n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (199) [system] _1417506=[i, n, k]
   Exit: (199) [system] [i, n, k]=[i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (198) [system] _1403570=['L', i, n, k]
   Exit: (198) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (197) [system] _1389634=[d, 'L', i, n, k]
   Exit: (197) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (196) [system] _1375698=[n, d, 'L', i, n, k]
   Exit: (196) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1340188)
^  Call: (196) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1486296)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1487248, _1487250), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1486296), _1487230, fail)), '$restore_trace'(_1487248, _1487250))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1487248, _1487250))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1486296), _1487230, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_1486296)
   Fail: (197) [system] atomic(_1486296)
   Call: (197) [system] atom_chars(_1486296, ['A', n, d, 'L', i, n, k])
   Exit: (197) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (196) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (196) [system] integer('AndLink')
   Fail: (196) [system] integer('AndLink')
   Call: (196) [system] _1340188='AndLink'
   Exit: (196) [system] 'AndLink'='AndLink'
^  Exit: (195) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (194) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (193) [user] read_list(')', (0x55772f068e50), _1501246)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1503104)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _1512698)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1515402)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1532336)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _1537906)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1539764)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _1555774)
   Exit: (195) [system] get_char((0x55772f068e50), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x55772f068e50), $, _1537906)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1573416)
   Call: (197) [system] peek_char((0x55772f068e50), _1574350)
   Exit: (197) [system] peek_char((0x55772f068e50), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Fail: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_1579070, v('(', ')', end_of_file), p)
   Fail: (198) [system] arg(_1580002, v('(', ')', end_of_file), p)
^  Fail: (197) [user] is_delimiter(p)
   Call: (197) [system] ')'==p
   Fail: (197) [system] ')'==p
   Call: (197) [system] get_char((0x55772f068e50), p)
   Exit: (197) [system] get_char((0x55772f068e50), p)
   Call: (197) [system] p=(\)
   Fail: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1587352)
   Call: (198) [system] peek_char((0x55772f068e50), _1588286)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1587352=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (197) [system] _1573416=[p]
   Exit: (197) [system] [p]=[p]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [p])
^  Call: (196) [user] classify_and_convert_charseq([$, p], _1537906)
^  Call: (197) [user] classify_and_convert_charseq_([$, p], _1600364)
   Call: (198) [system] atom_chars(_1601296, ['_', p])
   Exit: (198) [system] atom_chars('_p', ['_', p])
^  Exit: (197) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (197) [system] integer(_p)
   Fail: (197) [system] integer(_p)
   Call: (197) [system] _1537906=_p
   Exit: (197) [system] _p=_p
^  Exit: (196) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (195) [user] read_symbolic(')', (0x55772f068e50), $, _p)
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), _p)
^  Call: (194) [user] read_list(')', (0x55772f068e50), _1610588)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1612446)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _1622040)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1624744)
   Exit: (197) [system] peek_char((0x55772f068e50), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1641678)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=')'
   Fail: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _1647248)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1649106)
   Exit: (197) [system] peek_char((0x55772f068e50), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _1665116)
   Exit: (196) [system] get_char((0x55772f068e50), $)
   Call: (196) [system] ($)='('
   Fail: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Fail: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Fail: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Fail: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Fail: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Fail: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Fail: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x55772f068e50), $, _1647248)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1682758)
   Call: (198) [system] peek_char((0x55772f068e50), _1683692)
   Exit: (198) [system] peek_char((0x55772f068e50), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Fail: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_1688412, v('(', ')', end_of_file), q)
   Fail: (199) [system] arg(_1689344, v('(', ')', end_of_file), q)
^  Fail: (198) [user] is_delimiter(q)
   Call: (198) [system] ')'==q
   Fail: (198) [system] ')'==q
   Call: (198) [system] get_char((0x55772f068e50), q)
   Exit: (198) [system] get_char((0x55772f068e50), q)
   Call: (198) [system] q=(\)
   Fail: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1696694)
   Call: (199) [system] peek_char((0x55772f068e50), _1697628)
   Exit: (199) [system] peek_char((0x55772f068e50), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1702348, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1696694=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (198) [system] _1682758=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [q])
^  Call: (197) [user] classify_and_convert_charseq([$, q], _1647248)
^  Call: (198) [user] classify_and_convert_charseq_([$, q], _1711578)
   Call: (199) [system] atom_chars(_1712510, ['_', q])
   Exit: (199) [system] atom_chars('_q', ['_', q])
^  Exit: (198) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (198) [system] integer(_q)
   Fail: (198) [system] integer(_q)
   Call: (198) [system] _1647248=_q
   Exit: (198) [system] _q=_q
^  Exit: (197) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x55772f068e50), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), _q)
^  Call: (195) [user] read_list(')', (0x55772f068e50), _1721802)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1723660)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1739670)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x55772f068e50), _1743460)
   Exit: (196) [system] get_char((0x55772f068e50), ')')
   Call: (196) [system] _1721802=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [])
   Call: (195) [system] _1610588=[_q]
   Exit: (195) [system] [_q]=[_q]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [_q])
   Call: (194) [system] _1501246=[_p, _q]
   Exit: (194) [system] [_p, _q]=[_p, _q]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [_p, _q])
   Call: (193) [system] _1295170=['AndLink', _p, _q]
   Exit: (193) [system] ['AndLink', _p, _q]=['AndLink', _p, _q]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), ['AndLink', _p, _q])
^  Exit: (191) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', _p, _q])
^  Call: (191) [user] read_list(')', (0x55772f068e50), _1757342)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1759200)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _1768794)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1771498)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1788432)
   Exit: (192) [system] peek_char((0x55772f068e50), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _1794002)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1795860)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _1811870)
   Exit: (193) [system] get_char((0x55772f068e50), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x55772f068e50), $, _1794002)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _1829512)
   Call: (195) [system] peek_char((0x55772f068e50), _1830446)
   Exit: (195) [system] peek_char((0x55772f068e50), p)
^  Call: (195) [user] is_delimiter(p)
   Call: (196) [system] char_type(p, space)
   Fail: (196) [system] char_type(p, space)
   Call: (196) [system] arg(_1835166, v('(', ')', end_of_file), p)
   Fail: (196) [system] arg(_1836098, v('(', ')', end_of_file), p)
^  Fail: (195) [user] is_delimiter(p)
   Call: (195) [system] ')'==p
   Fail: (195) [system] ')'==p
   Call: (195) [system] get_char((0x55772f068e50), p)
   Exit: (195) [system] get_char((0x55772f068e50), p)
   Call: (195) [system] p=(\)
   Fail: (195) [system] p=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _1843448)
   Call: (196) [system] peek_char((0x55772f068e50), _1844382)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_1849102, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _1843448=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (195) [system] _1829512=[p]
   Exit: (195) [system] [p]=[p]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [p])
^  Call: (194) [user] classify_and_convert_charseq([$, p], _1794002)
^  Call: (195) [user] classify_and_convert_charseq_([$, p], _1858332)
   Call: (196) [system] atom_chars(_1859264, ['_', p])
   Exit: (196) [system] atom_chars('_p', ['_', p])
^  Exit: (195) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (195) [system] integer(_p)
   Fail: (195) [system] integer(_p)
   Call: (195) [system] _1794002=_p
   Exit: (195) [system] _p=_p
^  Exit: (194) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (193) [user] read_symbolic(')', (0x55772f068e50), $, _p)
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), _p)
^  Call: (192) [user] read_list(')', (0x55772f068e50), _1868556)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1870414)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1886424)
   Exit: (193) [system] peek_char((0x55772f068e50), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x55772f068e50), _1890214)
   Exit: (193) [system] get_char((0x55772f068e50), ')')
   Call: (193) [system] _1868556=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [])
   Call: (192) [system] _1757342=[_p]
   Exit: (192) [system] [_p]=[_p]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [_p])
   Call: (191) [system] _1258510=[['AndLink', _p, _q], _p]
   Exit: (191) [system] [['AndLink', _p, _q], _p]=[['AndLink', _p, _q], _p]
^  Exit: (190) [user] read_list(')', (0x55772f068e50), [['AndLink', _p, _q], _p])
   Call: (190) [system] _1137954=[->, ['AndLink', _p, _q], _p]
   Exit: (190) [system] [->, ['AndLink', _p, _q], _p]=[->, ['AndLink', _p, _q], _p]
^  Exit: (189) [user] read_list(')', (0x55772f068e50), [->, ['AndLink', _p, _q], _p])
^  Exit: (188) [user] cont_sexpr(')', (0x55772f068e50), [->, ['AndLink', _p, _q], _p])
^  Call: (188) [user] read_list(')', (0x55772f068e50), _1904096)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1905954)
   Exit: (190) [system] peek_char((0x55772f068e50), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1921964)
   Exit: (189) [system] peek_char((0x55772f068e50), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x55772f068e50), _1925754)
   Exit: (189) [system] get_char((0x55772f068e50), ')')
   Call: (189) [system] _1904096=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [])
   Call: (188) [system] _1101294=[[->, ['AndLink', _p, _q], _p]]
   Exit: (188) [system] [[->, ['AndLink', _p, _q], _p]]=[[->, ['AndLink', _p, _q], _p]]
^  Exit: (187) [user] read_list(')', (0x55772f068e50), [[->, ['AndLink', _p, _q], _p]])
   Call: (187) [system] _585706=['ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]
   Exit: (187) [system] ['ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]=['ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]
^  Exit: (186) [user] read_list(')', (0x55772f068e50), ['ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]])
   Call: (186) [system] _481880=[:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]
   Exit: (186) [system] [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]=[:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]])
^  Exit: (184) [user] cont_sexpr(')', (0x55772f068e50), [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]])
^  Call: (184) [user] read_list(')', (0x55772f068e50), _1939636)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1941494)
   Exit: (186) [system] peek_char((0x55772f068e50), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1957504)
   Exit: (185) [system] peek_char((0x55772f068e50), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x55772f068e50), _1961294)
   Exit: (185) [system] get_char((0x55772f068e50), ')')
   Call: (185) [system] _1939636=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [])
   Call: (184) [system] _445220=[[:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]
   Exit: (184) [system] [[:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]=[[:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]
^  Exit: (183) [user] read_list(')', (0x55772f068e50), [[:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]])
   Call: (183) [system] _256180=[[rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]
   Exit: (183) [system] [[rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]=[[rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]
^  Exit: (182) [user] read_list(')', (0x55772f068e50), [[rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]])
   Call: (182) [system] _118878=[=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]
   Exit: (182) [system] [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]=[=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]
^  Exit: (181) [user] read_list(')', (0x55772f068e50), [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]])
^  Exit: (180) [user] cont_sexpr(')', (0x55772f068e50), [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]])
^  Exit: (179) [user] read_sexpr((0x55772f068e50), [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]])
^  Call: (179) [user] assertz(metta_file_comment(115, 0, 4730, [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]], '$stream_position'(4730, 115, 0, 4730)))
^  Exit: (179) [user] assertz(metta_file_comment(115, 0, 4730, [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]], '$stream_position'(4730, 115, 0, 4730)))
^  Exit: (177) [system] once(user:(read_position((0x55772f068e50), 115, 0, 4730, '$stream_position'(4730, 115, 0, 4730)), read_sexpr((0x55772f068e50), [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]), assertz(metta_file_comment(115, 0, 4730, [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]], '$stream_position'(4730, 115, 0, 4730)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1979812, _1979814, _1979816, _1979818, _1979820))
^  Exit: (177) [user] retract(metta_file_comment(60, 0, 2034, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], '$stream_position'(2034, 60, 0, 2034)))
^  Call: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _3084)
^  Call: (178) [user] once(call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1983112))
^  Call: (179) [user] call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1983112)
^  Call: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1983112)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1985928))
^  Call: (182) [user] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1985928))
^  Call: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1985928)
^  Call: (184) [user] once(call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1988728))
^  Call: (185) [user] call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1988728)
^  Call: (186) [user] mfix_vars1([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1988728)
   Call: (187) [system] var([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Call: (187) [system] atom([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]==true
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]==false
   Call: (187) [system] (=)=='['
   Call: (187) [system] (=)=='{'
   Call: (187) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Exit: (187) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Call: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1998950)
   Call: (188) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], _1998950)
   Call: (189) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], _1998950)
   Exit: (189) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
   Exit: (188) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
   Exit: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
   Call: (187) [system] ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]=='}'
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]==[_2005466, _2005472]
   Call: (187) [system] fail
   Call: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Exit: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Call: (187) [user] apply:maplist(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1988728)
   Call: (188) [apply] apply:maplist_([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1988728, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(=, _2011046)
   Call: (190) [system] var(=)
   Call: (190) [system] atom(=)
   Exit: (190) [system] atom(=)
^  Call: (190) [user] symbol_concat($, _2014754, =)
   Call: (191) [system] atom_concat($, _2014754, =)
   Fail: (191) [system] atom_concat($, _2014754, =)
^  Fail: (190) [user] symbol_concat($, _2014754, =)
   Call: (190) [system] (=)==true
   Call: (190) [system] (=)==false
   Call: (190) [system] (=)==[_2020342, _2020348]
   Call: (190) [system] is_list(=)
   Call: (190) [system] string(=)
   Call: (190) [system] compound(=)
^  Call: (190) [user] symbol(=)
   Call: (191) [system] atom(=)
   Exit: (191) [system] atom(=)
^  Exit: (190) [user] symbol(=)
^  Exit: (189) [user] mfix_vars1(=, =)
   Call: (189) [apply] apply:maplist_([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _2011048, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1([synthesize, _query, _kb, _rb, ['S', _k]], _2029610)
   Call: (191) [system] var([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (191) [system] atom([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==true
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==false
   Call: (191) [system] synthesize=='['
   Call: (191) [system] synthesize=='{'
   Call: (191) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Exit: (191) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Call: (191) [lists] lists:last([_query, _kb, _rb, ['S', _k]], _2037954)
   Call: (192) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, _2037954)
   Call: (193) [lists] lists:last_([_rb, ['S', _k]], _kb, _2037954)
   Call: (194) [lists] lists:last_([['S', _k]], _rb, _2037954)
   Call: (195) [lists] lists:last_([], ['S', _k], _2037954)
   Exit: (195) [lists] lists:last_([], ['S', _k], ['S', _k])
   Exit: (194) [lists] lists:last_([['S', _k]], _rb, ['S', _k])
   Exit: (193) [lists] lists:last_([_rb, ['S', _k]], _kb, ['S', _k])
   Exit: (192) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, ['S', _k])
   Exit: (191) [lists] lists:last([_query, _kb, _rb, ['S', _k]], ['S', _k])
   Call: (191) [system] ['S', _k]=='}'
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==[_2048198, _2048204]
   Call: (191) [system] fail
   Call: (191) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (191) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (191) [user] apply:maplist(mfix_vars1, [synthesize, _query, _kb, _rb, ['S', _k]], _2029610)
   Call: (192) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _2029610, user:mfix_vars1)
^  Call: (193) [user] mfix_vars1(synthesize, _2053778)
   Call: (194) [system] var(synthesize)
   Call: (194) [system] atom(synthesize)
   Exit: (194) [system] atom(synthesize)
^  Call: (194) [user] symbol_concat($, _2057486, synthesize)
   Call: (195) [system] atom_concat($, _2057486, synthesize)
   Fail: (195) [system] atom_concat($, _2057486, synthesize)
^  Fail: (194) [user] symbol_concat($, _2057486, synthesize)
   Call: (194) [system] synthesize==true
   Call: (194) [system] synthesize==false
   Call: (194) [system] synthesize==[_2063074, _2063080]
   Call: (194) [system] is_list(synthesize)
   Call: (194) [system] string(synthesize)
   Call: (194) [system] compound(synthesize)
^  Call: (194) [user] symbol(synthesize)
   Call: (195) [system] atom(synthesize)
   Exit: (195) [system] atom(synthesize)
^  Exit: (194) [user] symbol(synthesize)
^  Exit: (193) [user] mfix_vars1(synthesize, synthesize)
   Call: (193) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _2053780, user:mfix_vars1)
^  Call: (194) [user] mfix_vars1(_query, _2072342)
   Call: (195) [system] var(_query)
   Call: (195) [system] atom(_query)
   Call: (195) [system] _query==true
   Call: (195) [system] _query==false
   Call: (195) [system] _query==[_2076984, _2076990]
   Call: (195) [system] is_list(_query)
   Call: (195) [system] string(_query)
   Call: (195) [system] compound(_query)
   Exit: (195) [system] compound(_query)
   Call: (195) [system] compound_name_arguments(_query, _2081618, _2081620)
   Exit: (195) [system] compound_name_arguments(_query, '$VAR', ['_query'])
   Call: (195) [system] '$VAR'\=='$VAR'
^  Exit: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _2087212))
^  Call: (182) [user] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _2087212))
^  Call: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _2087212)
^  Call: (184) [user] once(call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _2090012))
^  Call: (185) [user] call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _2090012)
^  Call: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _2090012)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] call(user:cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (184) [system] once(user:call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _3792))
^  Call: (182) [user] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _3792))
^  Call: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _3792)
^  Call: (184) [user] once(call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _11018))
^  Call: (185) [user] call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _11018)
^  Call: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _11018)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] call(user:cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (184) [system] once(user:call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
^  Exit: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (179) [system] call(user:untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (178) [system] once(user:call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
   Call: (178) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
^  Exit: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (171) [user] read_sform((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (170) [system] once(user:read_sform((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
   Call: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]==end_of_file
   Fail: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]), 114]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x55772f06bcd0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], me_synthesize_1727481849_9551582, 114)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]), 114]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727481861.095508)
   Call: (173) [system] arg(1, t(1727481858.222791), _3148)
   Exit: (173) [system] arg(1, t(1727481858.222791), 1727481858.222791)
   Call: (173) [system] _3158 is 1727481861.095508-1727481858.222791
   Exit: (173) [system] 2.8727171421051025 is 1727481861.095508-1727481858.222791
   Call: (173) [system] 2.8727171421051025>4
   Fail: (173) [system] 2.8727171421051025>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]), 114]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 22)
   Call: (175) [system] atom(22+1)
   Call: (175) [system] set_flag(translated_forms, 23)
   Exit: (175) [system] set_flag(translated_forms, 23)
   Exit: (174) [$syspreds] update_flag(translated_forms, 22, 22+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 22, 22+1))
   Exit: (171) [$syspreds] flag(translated_forms, 22, 22+1)
^  Call: (171) [user] write_metta_datalog_term((0x55772f06bcd0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], me_synthesize_1727481849_9551582, 114)
^  Call: (172) [user] s2t_iz(me_synthesize_1727481849_9551582, _62488, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _62490)
   Call: (173) [system] (=)==(:)
^  Call: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _62490)
   Call: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Exit: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Call: (174) [user] s2t(=, _67140)
   Call: (175) [system] compound(=)
   Call: (175) [system] (=)=_67140
   Exit: (175) [system] (=)=(=)
^  Exit: (174) [user] s2t(=, =)
^  Call: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _67142)
   Call: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Exit: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Call: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], _74558)
   Call: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (176) [system] synthesize==(->)
   Call: (176) [system] synthesize=='Cons'
   Call: (176) [system] synthesize==(=)
   Call: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (176) [user] apply:maplist(s2t, [synthesize, _query, _kb, _rb, ['S', _k]], _81970)
   Call: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _81970, user:s2t)
^  Call: (178) [user] s2t(synthesize, _83850)
   Call: (179) [system] compound(synthesize)
   Call: (179) [system] synthesize=_83850
   Exit: (179) [system] synthesize=synthesize
^  Exit: (178) [user] s2t(synthesize, synthesize)
   Call: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _83852, user:s2t)
^  Call: (179) [user] s2t(_query, _89424)
   Call: (180) [system] compound(_query)
   Exit: (180) [system] compound(_query)
   Call: (180) [system] is_list(_query)
^  Call: (180) [user] s2tl(_query, _89424)
   Call: (181) [system] compound(_query)
   Exit: (181) [system] compound(_query)
^  Exit: (180) [user] s2tl(_query, _query)
^  Exit: (179) [user] s2t(_query, _query)
   Call: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], _89426, user:s2t)
^  Call: (180) [user] s2t(_kb, _98694)
   Call: (181) [system] compound(_kb)
   Exit: (181) [system] compound(_kb)
   Call: (181) [system] is_list(_kb)
^  Call: (181) [user] s2tl(_kb, _98694)
   Call: (182) [system] compound(_kb)
   Exit: (182) [system] compound(_kb)
^  Exit: (181) [user] s2tl(_kb, _kb)
^  Exit: (180) [user] s2t(_kb, _kb)
   Call: (180) [apply] apply:maplist_([_rb, ['S', _k]], _98696, user:s2t)
^  Call: (181) [user] s2t(_rb, _107964)
   Call: (182) [system] compound(_rb)
   Exit: (182) [system] compound(_rb)
   Call: (182) [system] is_list(_rb)
^  Call: (182) [user] s2tl(_rb, _107964)
   Call: (183) [system] compound(_rb)
   Exit: (183) [system] compound(_rb)
^  Exit: (182) [user] s2tl(_rb, _rb)
^  Exit: (181) [user] s2t(_rb, _rb)
   Call: (181) [apply] apply:maplist_([['S', _k]], _107966, user:s2t)
^  Call: (182) [user] s2t(['S', _k], _117234)
   Call: (183) [system] compound(['S', _k])
   Exit: (183) [system] compound(['S', _k])
   Call: (183) [system] 'S'==(->)
   Call: (183) [system] 'S'=='Cons'
   Call: (183) [system] 'S'==(=)
   Call: (183) [system] is_list(['S', _k])
   Exit: (183) [system] is_list(['S', _k])
^  Call: (183) [user] apply:maplist(s2t, ['S', _k], _124646)
   Call: (184) [apply] apply:maplist_(['S', _k], _124646, user:s2t)
^  Call: (185) [user] s2t('S', _126526)
   Call: (186) [system] compound('S')
   Call: (186) [system] 'S'=_126526
   Exit: (186) [system] 'S'='S'
^  Exit: (185) [user] s2t('S', 'S')
   Call: (185) [apply] apply:maplist_([_k], _126528, user:s2t)
^  Call: (186) [user] s2t(_k, _132100)
   Call: (187) [system] compound(_k)
   Exit: (187) [system] compound(_k)
   Call: (187) [system] is_list(_k)
^  Call: (187) [user] s2tl(_k, _132100)
   Call: (188) [system] compound(_k)
   Exit: (188) [system] compound(_k)
^  Exit: (187) [user] s2tl(_k, _k)
^  Exit: (186) [user] s2t(_k, _k)
   Call: (186) [apply] apply:maplist_([], _132102, user:s2t)
   Exit: (186) [apply] apply:maplist_([], [], user:s2t)
   Exit: (185) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (184) [apply] apply:maplist_(['S', _k], ['S', _k], user:s2t)
^  Exit: (183) [apply] apply:maplist(user:s2t, ['S', _k], ['S', _k])
   Call: (183) [system] compound_name_arguments(_117234, t, ['S', _k])
   Exit: (183) [system] compound_name_arguments(t('S', _k), t, ['S', _k])
^  Exit: (182) [user] s2t(['S', _k], t('S', _k))
   Call: (182) [apply] apply:maplist_([], _117236, user:s2t)
   Exit: (182) [apply] apply:maplist_([], [], user:s2t)
   Exit: (181) [apply] apply:maplist_([['S', _k]], [t('S', _k)], user:s2t)
   Exit: (180) [apply] apply:maplist_([_rb, ['S', _k]], [_rb, t('S', _k)], user:s2t)
   Exit: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], [_kb, _rb, t('S', _k)], user:s2t)
   Exit: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], [_query, _kb, _rb, t('S', _k)], user:s2t)
   Exit: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)], user:s2t)
^  Exit: (176) [apply] apply:maplist(user:s2t, [synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)])
   Call: (176) [system] compound_name_arguments(_74558, t, [synthesize, _query, _kb, _rb, t('S', _k)])
   Exit: (176) [system] compound_name_arguments(t(synthesize, _query, _kb, _rb, t('S', _k)), t, [synthesize, _query, _kb, _rb, t('S', _k)])
^  Exit: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], t(synthesize, _query, _kb, _rb, t('S', _k)))
^  Call: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _74560)
   Call: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Exit: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Call: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], _160944)
   Call: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
   Exit: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
   Call: (177) [system] 'let*'==(->)
   Call: (177) [system] 'let*'=='Cons'
   Call: (177) [system] 'let*'==(=)
   Call: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
   Exit: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
^  Call: (177) [user] apply:maplist(s2t, ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], _168356)
   Call: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], _168356, user:s2t)
^  Call: (179) [user] s2t('let*', _170236)
   Call: (180) [system] compound('let*')
   Call: (180) [system] 'let*'=_170236
   Exit: (180) [system] 'let*'='let*'
^  Exit: (179) [user] s2t('let*', 'let*')
   Call: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], _170238, user:s2t)
^  Call: (180) [user] s2t([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _175810)
   Call: (181) [system] compound([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
   Exit: (181) [system] compound([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]]==(->)
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]]=='Cons'
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]]==(=)
   Call: (181) [system] is_list([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
   Exit: (181) [system] is_list([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
^  Call: (181) [user] apply:maplist(s2t, [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _183222)
   Call: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _183222, user:s2t)
^  Call: (183) [user] s2t([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], _185102)
   Call: (184) [system] compound([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]])
   Exit: (184) [system] compound([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]])
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _conclusion]]==(->)
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _conclusion]]=='Cons'
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _conclusion]]==(=)
   Call: (184) [system] is_list([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]])
   Exit: (184) [system] is_list([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]])
^  Call: (184) [user] apply:maplist(s2t, [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], _192514)
   Call: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], _192514, user:s2t)
^  Call: (186) [user] s2t([:, _ructor, [->, _premise1, _premise2, _conclusion]], _194394)
   Call: (187) [system] compound([:, _ructor, [->, _premise1, _premise2, _conclusion]])
   Exit: (187) [system] compound([:, _ructor, [->, _premise1, _premise2, _conclusion]])
   Call: (187) [system] (:)==(->)
   Call: (187) [system] (:)=='Cons'
   Call: (187) [system] (:)==(=)
   Call: (187) [system] is_list([:, _ructor, [->, _premise1, _premise2, _conclusion]])
   Exit: (187) [system] is_list([:, _ructor, [->, _premise1, _premise2, _conclusion]])
^  Call: (187) [user] apply:maplist(s2t, [:, _ructor, [->, _premise1, _premise2, _conclusion]], _201806)
   Call: (188) [apply] apply:maplist_([:, _ructor, [->, _premise1, _premise2, _conclusion]], _201806, user:s2t)
^  Call: (189) [user] s2t(:, _203686)
   Call: (190) [system] compound(:)
   Call: (190) [system] (:)=_203686
   Exit: (190) [system] (:)=(:)
^  Exit: (189) [user] s2t(:, :)
   Call: (189) [apply] apply:maplist_([_ructor, [->, _premise1, _premise2, _conclusion]], _203688, user:s2t)
^  Call: (190) [user] s2t(_ructor, _209260)
   Call: (191) [system] compound(_ructor)
   Exit: (191) [system] compound(_ructor)
   Call: (191) [system] is_list(_ructor)
^  Call: (191) [user] s2tl(_ructor, _209260)
   Call: (192) [system] compound(_ructor)
   Exit: (192) [system] compound(_ructor)
^  Exit: (191) [user] s2tl(_ructor, _ructor)
^  Exit: (190) [user] s2t(_ructor, _ructor)
   Call: (190) [apply] apply:maplist_([[->, _premise1, _premise2, _conclusion]], _209262, user:s2t)
^  Call: (191) [user] s2t([->, _premise1, _premise2, _conclusion], _218530)
   Call: (192) [system] compound([->, _premise1, _premise2, _conclusion])
   Exit: (192) [system] compound([->, _premise1, _premise2, _conclusion])
   Call: (192) [system] (->)==(->)
   Exit: (192) [system] (->)==(->)
^  Call: (192) [user] s2tl([_premise1, _premise2, _conclusion], _223166)
   Call: (193) [system] compound([_premise1, _premise2, _conclusion])
   Exit: (193) [system] compound([_premise1, _premise2, _conclusion])
^  Call: (193) [user] s2t(_premise1, _225946)
   Call: (194) [system] compound(_premise1)
   Exit: (194) [system] compound(_premise1)
   Call: (194) [system] is_list(_premise1)
^  Call: (194) [user] s2tl(_premise1, _225946)
   Call: (195) [system] compound(_premise1)
   Exit: (195) [system] compound(_premise1)
^  Exit: (194) [user] s2tl(_premise1, _premise1)
^  Exit: (193) [user] s2t(_premise1, _premise1)
^  Call: (193) [user] s2tl([_premise2, _conclusion], _225948)
   Call: (194) [system] compound([_premise2, _conclusion])
   Exit: (194) [system] compound([_premise2, _conclusion])
^  Call: (194) [user] s2t(_premise2, _237060)
   Call: (195) [system] compound(_premise2)
   Exit: (195) [system] compound(_premise2)
   Call: (195) [system] is_list(_premise2)
^  Call: (195) [user] s2tl(_premise2, _237060)
   Call: (196) [system] compound(_premise2)
   Exit: (196) [system] compound(_premise2)
^  Exit: (195) [user] s2tl(_premise2, _premise2)
^  Exit: (194) [user] s2t(_premise2, _premise2)
^  Call: (194) [user] s2tl([_conclusion], _237062)
   Call: (195) [system] compound([_conclusion])
   Exit: (195) [system] compound([_conclusion])
^  Call: (195) [user] s2t(_conclusion, _248174)
   Call: (196) [system] compound(_conclusion)
   Exit: (196) [system] compound(_conclusion)
   Call: (196) [system] is_list(_conclusion)
^  Call: (196) [user] s2tl(_conclusion, _248174)
   Call: (197) [system] compound(_conclusion)
   Exit: (197) [system] compound(_conclusion)
^  Exit: (196) [user] s2tl(_conclusion, _conclusion)
^  Exit: (195) [user] s2t(_conclusion, _conclusion)
^  Call: (195) [user] s2tl([], _248176)
   Call: (196) [system] compound([])
   Call: (196) [system] []=_248176
   Exit: (196) [system] []=[]
^  Exit: (195) [user] s2tl([], [])
^  Exit: (194) [user] s2tl([_conclusion], [_conclusion])
^  Exit: (193) [user] s2tl([_premise2, _conclusion], [_premise2, _conclusion])
^  Exit: (192) [user] s2tl([_premise1, _premise2, _conclusion], [_premise1, _premise2, _conclusion])
   Call: (192) [system] _218530=..[->, [_premise1, _premise2, _conclusion]]
   Exit: (192) [system] ->([_premise1, _premise2, _conclusion])=..[->, [_premise1, _premise2, _conclusion]]
^  Exit: (191) [user] s2t([->, _premise1, _premise2, _conclusion], ->([_premise1, _premise2, _conclusion]))
   Call: (191) [apply] apply:maplist_([], _218532, user:s2t)
   Exit: (191) [apply] apply:maplist_([], [], user:s2t)
   Exit: (190) [apply] apply:maplist_([[->, _premise1, _premise2, _conclusion]], [->([_premise1, _premise2, _conclusion])], user:s2t)
   Exit: (189) [apply] apply:maplist_([_ructor, [->, _premise1, _premise2, _conclusion]], [_ructor, ->([_premise1, _premise2, _conclusion])], user:s2t)
   Exit: (188) [apply] apply:maplist_([:, _ructor, [->, _premise1, _premise2, _conclusion]], [:, _ructor, ->([_premise1, _premise2, _conclusion])], user:s2t)
^  Exit: (187) [apply] apply:maplist(user:s2t, [:, _ructor, [->, _premise1, _premise2, _conclusion]], [:, _ructor, ->([_premise1, _premise2, _conclusion])])
   Call: (187) [system] compound_name_arguments(_194394, t, [:, _ructor, ->([_premise1, _premise2, _conclusion])])
   Exit: (187) [system] compound_name_arguments(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t, [:, _ructor, ->([_premise1, _premise2, _conclusion])])
^  Exit: (186) [user] s2t([:, _ructor, [->, _premise1, _premise2, _conclusion]], t(:, _ructor, ->([_premise1, _premise2, _conclusion])))
   Call: (186) [apply] apply:maplist_([[_rb]], _194396, user:s2t)
^  Call: (187) [user] s2t([_rb], _276062)
   Call: (188) [system] compound([_rb])
   Exit: (188) [system] compound([_rb])
   Call: (188) [system] _rb==(->)
   Call: (188) [system] _rb=='Cons'
   Call: (188) [system] _rb==(=)
   Call: (188) [system] is_list([_rb])
   Exit: (188) [system] is_list([_rb])
^  Call: (188) [user] apply:maplist(s2t, [_rb], _283474)
   Call: (189) [apply] apply:maplist_([_rb], _283474, user:s2t)
^  Call: (190) [user] s2t(_rb, _285354)
   Call: (191) [system] compound(_rb)
   Exit: (191) [system] compound(_rb)
   Call: (191) [system] is_list(_rb)
^  Call: (191) [user] s2tl(_rb, _285354)
   Call: (192) [system] compound(_rb)
   Exit: (192) [system] compound(_rb)
^  Exit: (191) [user] s2tl(_rb, _rb)
^  Exit: (190) [user] s2t(_rb, _rb)
   Call: (190) [apply] apply:maplist_([], _285356, user:s2t)
   Exit: (190) [apply] apply:maplist_([], [], user:s2t)
   Exit: (189) [apply] apply:maplist_([_rb], [_rb], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [_rb], [_rb])
   Call: (188) [system] compound_name_arguments(_276062, t, [_rb])
   Exit: (188) [system] compound_name_arguments(t(_rb), t, [_rb])
^  Exit: (187) [user] s2t([_rb], t(_rb))
   Call: (187) [apply] apply:maplist_([], _276064, user:s2t)
   Exit: (187) [apply] apply:maplist_([], [], user:s2t)
   Exit: (186) [apply] apply:maplist_([[_rb]], [t(_rb)], user:s2t)
   Exit: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)], user:s2t)
^  Exit: (184) [apply] apply:maplist(user:s2t, [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)])
   Call: (184) [system] compound_name_arguments(_185102, t, [t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)])
   Exit: (184) [system] compound_name_arguments(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t, [t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)])
^  Exit: (183) [user] s2t([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)))
   Call: (183) [apply] apply:maplist_([[[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _185104, user:s2t)
^  Call: (184) [user] s2t([[:, [_ructor, _proof1, _proof2], _conclusion], _query], _308618)
   Call: (185) [system] compound([[:, [_ructor, _proof1, _proof2], _conclusion], _query])
   Exit: (185) [system] compound([[:, [_ructor, _proof1, _proof2], _conclusion], _query])
   Call: (185) [system] [:, [_ructor, _proof1, _proof2], _conclusion]==(->)
   Call: (185) [system] [:, [_ructor, _proof1, _proof2], _conclusion]=='Cons'
   Call: (185) [system] [:, [_ructor, _proof1, _proof2], _conclusion]==(=)
   Call: (185) [system] is_list([[:, [_ructor, _proof1, _proof2], _conclusion], _query])
   Exit: (185) [system] is_list([[:, [_ructor, _proof1, _proof2], _conclusion], _query])
^  Call: (185) [user] apply:maplist(s2t, [[:, [_ructor, _proof1, _proof2], _conclusion], _query], _316030)
   Call: (186) [apply] apply:maplist_([[:, [_ructor, _proof1, _proof2], _conclusion], _query], _316030, user:s2t)
^  Call: (187) [user] s2t([:, [_ructor, _proof1, _proof2], _conclusion], _317910)
   Call: (188) [system] compound([:, [_ructor, _proof1, _proof2], _conclusion])
   Exit: (188) [system] compound([:, [_ructor, _proof1, _proof2], _conclusion])
   Call: (188) [system] (:)==(->)
   Call: (188) [system] (:)=='Cons'
   Call: (188) [system] (:)==(=)
   Call: (188) [system] is_list([:, [_ructor, _proof1, _proof2], _conclusion])
   Exit: (188) [system] is_list([:, [_ructor, _proof1, _proof2], _conclusion])
^  Call: (188) [user] apply:maplist(s2t, [:, [_ructor, _proof1, _proof2], _conclusion], _325322)
   Call: (189) [apply] apply:maplist_([:, [_ructor, _proof1, _proof2], _conclusion], _325322, user:s2t)
^  Call: (190) [user] s2t(:, _327202)
   Call: (191) [system] compound(:)
   Call: (191) [system] (:)=_327202
   Exit: (191) [system] (:)=(:)
^  Exit: (190) [user] s2t(:, :)
   Call: (190) [apply] apply:maplist_([[_ructor, _proof1, _proof2], _conclusion], _327204, user:s2t)
^  Call: (191) [user] s2t([_ructor, _proof1, _proof2], _332776)
   Call: (192) [system] compound([_ructor, _proof1, _proof2])
   Exit: (192) [system] compound([_ructor, _proof1, _proof2])
   Call: (192) [system] _ructor==(->)
   Call: (192) [system] _ructor=='Cons'
   Call: (192) [system] _ructor==(=)
   Call: (192) [system] is_list([_ructor, _proof1, _proof2])
   Exit: (192) [system] is_list([_ructor, _proof1, _proof2])
^  Call: (192) [user] apply:maplist(s2t, [_ructor, _proof1, _proof2], _340188)
   Call: (193) [apply] apply:maplist_([_ructor, _proof1, _proof2], _340188, user:s2t)
^  Call: (194) [user] s2t(_ructor, _342068)
   Call: (195) [system] compound(_ructor)
   Exit: (195) [system] compound(_ructor)
   Call: (195) [system] is_list(_ructor)
^  Call: (195) [user] s2tl(_ructor, _342068)
   Call: (196) [system] compound(_ructor)
   Exit: (196) [system] compound(_ructor)
^  Exit: (195) [user] s2tl(_ructor, _ructor)
^  Exit: (194) [user] s2t(_ructor, _ructor)
   Call: (194) [apply] apply:maplist_([_proof1, _proof2], _342070, user:s2t)
^  Call: (195) [user] s2t(_proof1, _351338)
   Call: (196) [system] compound(_proof1)
   Exit: (196) [system] compound(_proof1)
   Call: (196) [system] is_list(_proof1)
^  Call: (196) [user] s2tl(_proof1, _351338)
   Call: (197) [system] compound(_proof1)
   Exit: (197) [system] compound(_proof1)
^  Exit: (196) [user] s2tl(_proof1, _proof1)
^  Exit: (195) [user] s2t(_proof1, _proof1)
   Call: (195) [apply] apply:maplist_([_proof2], _351340, user:s2t)
^  Call: (196) [user] s2t(_proof2, _360608)
   Call: (197) [system] compound(_proof2)
   Exit: (197) [system] compound(_proof2)
   Call: (197) [system] is_list(_proof2)
^  Call: (197) [user] s2tl(_proof2, _360608)
   Call: (198) [system] compound(_proof2)
   Exit: (198) [system] compound(_proof2)
^  Exit: (197) [user] s2tl(_proof2, _proof2)
^  Exit: (196) [user] s2t(_proof2, _proof2)
   Call: (196) [apply] apply:maplist_([], _360610, user:s2t)
   Exit: (196) [apply] apply:maplist_([], [], user:s2t)
   Exit: (195) [apply] apply:maplist_([_proof2], [_proof2], user:s2t)
   Exit: (194) [apply] apply:maplist_([_proof1, _proof2], [_proof1, _proof2], user:s2t)
   Exit: (193) [apply] apply:maplist_([_ructor, _proof1, _proof2], [_ructor, _proof1, _proof2], user:s2t)
^  Exit: (192) [apply] apply:maplist(user:s2t, [_ructor, _proof1, _proof2], [_ructor, _proof1, _proof2])
   Call: (192) [system] compound_name_arguments(_332776, t, [_ructor, _proof1, _proof2])
   Exit: (192) [system] compound_name_arguments(t(_ructor, _proof1, _proof2), t, [_ructor, _proof1, _proof2])
^  Exit: (191) [user] s2t([_ructor, _proof1, _proof2], t(_ructor, _proof1, _proof2))
   Call: (191) [apply] apply:maplist_([_conclusion], _332778, user:s2t)
^  Call: (192) [user] s2t(_conclusion, _378276)
   Call: (193) [system] compound(_conclusion)
   Exit: (193) [system] compound(_conclusion)
   Call: (193) [system] is_list(_conclusion)
^  Call: (193) [user] s2tl(_conclusion, _378276)
   Call: (194) [system] compound(_conclusion)
   Exit: (194) [system] compound(_conclusion)
^  Exit: (193) [user] s2tl(_conclusion, _conclusion)
^  Exit: (192) [user] s2t(_conclusion, _conclusion)
   Call: (192) [apply] apply:maplist_([], _378278, user:s2t)
   Exit: (192) [apply] apply:maplist_([], [], user:s2t)
   Exit: (191) [apply] apply:maplist_([_conclusion], [_conclusion], user:s2t)
   Exit: (190) [apply] apply:maplist_([[_ructor, _proof1, _proof2], _conclusion], [t(_ructor, _proof1, _proof2), _conclusion], user:s2t)
   Exit: (189) [apply] apply:maplist_([:, [_ructor, _proof1, _proof2], _conclusion], [:, t(_ructor, _proof1, _proof2), _conclusion], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [:, [_ructor, _proof1, _proof2], _conclusion], [:, t(_ructor, _proof1, _proof2), _conclusion])
   Call: (188) [system] compound_name_arguments(_317910, t, [:, t(_ructor, _proof1, _proof2), _conclusion])
   Exit: (188) [system] compound_name_arguments(t(:, t(_ructor, _proof1, _proof2), _conclusion), t, [:, t(_ructor, _proof1, _proof2), _conclusion])
^  Exit: (187) [user] s2t([:, [_ructor, _proof1, _proof2], _conclusion], t(:, t(_ructor, _proof1, _proof2), _conclusion))
   Call: (187) [apply] apply:maplist_([_query], _317912, user:s2t)
^  Call: (188) [user] s2t(_query, _395944)
   Call: (189) [system] compound(_query)
   Exit: (189) [system] compound(_query)
   Call: (189) [system] is_list(_query)
^  Call: (189) [user] s2tl(_query, _395944)
   Call: (190) [system] compound(_query)
   Exit: (190) [system] compound(_query)
^  Exit: (189) [user] s2tl(_query, _query)
^  Exit: (188) [user] s2t(_query, _query)
   Call: (188) [apply] apply:maplist_([], _395946, user:s2t)
   Exit: (188) [apply] apply:maplist_([], [], user:s2t)
   Exit: (187) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (186) [apply] apply:maplist_([[:, [_ructor, _proof1, _proof2], _conclusion], _query], [t(:, t(_ructor, _proof1, _proof2), _conclusion), _query], user:s2t)
^  Exit: (185) [apply] apply:maplist(user:s2t, [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [t(:, t(_ructor, _proof1, _proof2), _conclusion), _query])
   Call: (185) [system] compound_name_arguments(_308618, t, [t(:, t(_ructor, _proof1, _proof2), _conclusion), _query])
   Exit: (185) [system] compound_name_arguments(t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t, [t(:, t(_ructor, _proof1, _proof2), _conclusion), _query])
^  Exit: (184) [user] s2t([[:, [_ructor, _proof1, _proof2], _conclusion], _query], t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query))
   Call: (184) [apply] apply:maplist_([[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _308620, user:s2t)
^  Call: (185) [user] s2t([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _412678)
   Call: (186) [system] compound([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Exit: (186) [system] compound([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Call: (186) [system] [:, _proof1, _premise1]==(->)
   Call: (186) [system] [:, _proof1, _premise1]=='Cons'
   Call: (186) [system] [:, _proof1, _premise1]==(=)
   Call: (186) [system] is_list([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Exit: (186) [system] is_list([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Call: (186) [user] apply:maplist(s2t, [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _420090)
   Call: (187) [apply] apply:maplist_([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _420090, user:s2t)
^  Call: (188) [user] s2t([:, _proof1, _premise1], _421970)
   Call: (189) [system] compound([:, _proof1, _premise1])
   Exit: (189) [system] compound([:, _proof1, _premise1])
   Call: (189) [system] (:)==(->)
   Call: (189) [system] (:)=='Cons'
   Call: (189) [system] (:)==(=)
   Call: (189) [system] is_list([:, _proof1, _premise1])
   Exit: (189) [system] is_list([:, _proof1, _premise1])
^  Call: (189) [user] apply:maplist(s2t, [:, _proof1, _premise1], _429382)
   Call: (190) [apply] apply:maplist_([:, _proof1, _premise1], _429382, user:s2t)
^  Call: (191) [user] s2t(:, _431262)
   Call: (192) [system] compound(:)
   Call: (192) [system] (:)=_431262
   Exit: (192) [system] (:)=(:)
^  Exit: (191) [user] s2t(:, :)
   Call: (191) [apply] apply:maplist_([_proof1, _premise1], _431264, user:s2t)
^  Call: (192) [user] s2t(_proof1, _436836)
   Call: (193) [system] compound(_proof1)
   Exit: (193) [system] compound(_proof1)
   Call: (193) [system] is_list(_proof1)
^  Call: (193) [user] s2tl(_proof1, _436836)
   Call: (194) [system] compound(_proof1)
   Exit: (194) [system] compound(_proof1)
^  Exit: (193) [user] s2tl(_proof1, _proof1)
^  Exit: (192) [user] s2t(_proof1, _proof1)
   Call: (192) [apply] apply:maplist_([_premise1], _436838, user:s2t)
^  Call: (193) [user] s2t(_premise1, _446106)
   Call: (194) [system] compound(_premise1)
   Exit: (194) [system] compound(_premise1)
   Call: (194) [system] is_list(_premise1)
^  Call: (194) [user] s2tl(_premise1, _446106)
   Call: (195) [system] compound(_premise1)
   Exit: (195) [system] compound(_premise1)
^  Exit: (194) [user] s2tl(_premise1, _premise1)
^  Exit: (193) [user] s2t(_premise1, _premise1)
   Call: (193) [apply] apply:maplist_([], _446108, user:s2t)
   Exit: (193) [apply] apply:maplist_([], [], user:s2t)
   Exit: (192) [apply] apply:maplist_([_premise1], [_premise1], user:s2t)
   Exit: (191) [apply] apply:maplist_([_proof1, _premise1], [_proof1, _premise1], user:s2t)
   Exit: (190) [apply] apply:maplist_([:, _proof1, _premise1], [:, _proof1, _premise1], user:s2t)
^  Exit: (189) [apply] apply:maplist(user:s2t, [:, _proof1, _premise1], [:, _proof1, _premise1])
   Call: (189) [system] compound_name_arguments(_421970, t, [:, _proof1, _premise1])
   Exit: (189) [system] compound_name_arguments(t(:, _proof1, _premise1), t, [:, _proof1, _premise1])
^  Exit: (188) [user] s2t([:, _proof1, _premise1], t(:, _proof1, _premise1))
   Call: (188) [apply] apply:maplist_([[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _421972, user:s2t)
^  Call: (189) [user] s2t([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _463774)
   Call: (190) [system] compound([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Exit: (190) [system] compound([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Call: (190) [system] synthesize==(->)
   Call: (190) [system] synthesize=='Cons'
   Call: (190) [system] synthesize==(=)
   Call: (190) [system] is_list([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Exit: (190) [system] is_list([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Call: (190) [user] apply:maplist(s2t, [synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _471186)
   Call: (191) [apply] apply:maplist_([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _471186, user:s2t)
^  Call: (192) [user] s2t(synthesize, _473066)
   Call: (193) [system] compound(synthesize)
   Call: (193) [system] synthesize=_473066
   Exit: (193) [system] synthesize=synthesize
^  Exit: (192) [user] s2t(synthesize, synthesize)
   Call: (192) [apply] apply:maplist_([[:, _proof1, _premise1], _kb, _rb, _k], _473068, user:s2t)
^  Call: (193) [user] s2t([:, _proof1, _premise1], _478640)
   Call: (194) [system] compound([:, _proof1, _premise1])
   Exit: (194) [system] compound([:, _proof1, _premise1])
   Call: (194) [system] (:)==(->)
   Call: (194) [system] (:)=='Cons'
   Call: (194) [system] (:)==(=)
   Call: (194) [system] is_list([:, _proof1, _premise1])
   Exit: (194) [system] is_list([:, _proof1, _premise1])
^  Call: (194) [user] apply:maplist(s2t, [:, _proof1, _premise1], _486052)
   Call: (195) [apply] apply:maplist_([:, _proof1, _premise1], _486052, user:s2t)
^  Call: (196) [user] s2t(:, _487932)
   Call: (197) [system] compound(:)
   Call: (197) [system] (:)=_487932
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] s2t(:, :)
   Call: (196) [apply] apply:maplist_([_proof1, _premise1], _487934, user:s2t)
^  Call: (197) [user] s2t(_proof1, _493506)
   Call: (198) [system] compound(_proof1)
   Exit: (198) [system] compound(_proof1)
   Call: (198) [system] is_list(_proof1)
^  Call: (198) [user] s2tl(_proof1, _493506)
   Call: (199) [system] compound(_proof1)
   Exit: (199) [system] compound(_proof1)
^  Exit: (198) [user] s2tl(_proof1, _proof1)
^  Exit: (197) [user] s2t(_proof1, _proof1)
   Call: (197) [apply] apply:maplist_([_premise1], _493508, user:s2t)
^  Call: (198) [user] s2t(_premise1, _502776)
   Call: (199) [system] compound(_premise1)
   Exit: (199) [system] compound(_premise1)
   Call: (199) [system] is_list(_premise1)
^  Call: (199) [user] s2tl(_premise1, _502776)
   Call: (200) [system] compound(_premise1)
   Exit: (200) [system] compound(_premise1)
^  Exit: (199) [user] s2tl(_premise1, _premise1)
^  Exit: (198) [user] s2t(_premise1, _premise1)
   Call: (198) [apply] apply:maplist_([], _502778, user:s2t)
   Exit: (198) [apply] apply:maplist_([], [], user:s2t)
   Exit: (197) [apply] apply:maplist_([_premise1], [_premise1], user:s2t)
   Exit: (196) [apply] apply:maplist_([_proof1, _premise1], [_proof1, _premise1], user:s2t)
   Exit: (195) [apply] apply:maplist_([:, _proof1, _premise1], [:, _proof1, _premise1], user:s2t)
^  Exit: (194) [apply] apply:maplist(user:s2t, [:, _proof1, _premise1], [:, _proof1, _premise1])
   Call: (194) [system] compound_name_arguments(_478640, t, [:, _proof1, _premise1])
   Exit: (194) [system] compound_name_arguments(t(:, _proof1, _premise1), t, [:, _proof1, _premise1])
^  Exit: (193) [user] s2t([:, _proof1, _premise1], t(:, _proof1, _premise1))
   Call: (193) [apply] apply:maplist_([_kb, _rb, _k], _478642, user:s2t)
^  Call: (194) [user] s2t(_kb, _520444)
   Call: (195) [system] compound(_kb)
   Exit: (195) [system] compound(_kb)
   Call: (195) [system] is_list(_kb)
^  Call: (195) [user] s2tl(_kb, _520444)
   Call: (196) [system] compound(_kb)
   Exit: (196) [system] compound(_kb)
^  Exit: (195) [user] s2tl(_kb, _kb)
^  Exit: (194) [user] s2t(_kb, _kb)
   Call: (194) [apply] apply:maplist_([_rb, _k], _520446, user:s2t)
^  Call: (195) [user] s2t(_rb, _529714)
   Call: (196) [system] compound(_rb)
   Exit: (196) [system] compound(_rb)
   Call: (196) [system] is_list(_rb)
^  Call: (196) [user] s2tl(_rb, _529714)
   Call: (197) [system] compound(_rb)
   Exit: (197) [system] compound(_rb)
^  Exit: (196) [user] s2tl(_rb, _rb)
^  Exit: (195) [user] s2t(_rb, _rb)
   Call: (195) [apply] apply:maplist_([_k], _529716, user:s2t)
^  Call: (196) [user] s2t(_k, _538984)
   Call: (197) [system] compound(_k)
   Exit: (197) [system] compound(_k)
   Call: (197) [system] is_list(_k)
^  Call: (197) [user] s2tl(_k, _538984)
   Call: (198) [system] compound(_k)
   Exit: (198) [system] compound(_k)
^  Exit: (197) [user] s2tl(_k, _k)
^  Exit: (196) [user] s2t(_k, _k)
   Call: (196) [apply] apply:maplist_([], _538986, user:s2t)
   Exit: (196) [apply] apply:maplist_([], [], user:s2t)
   Exit: (195) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (194) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (192) [apply] apply:maplist_([[:, _proof1, _premise1], _kb, _rb, _k], [t(:, _proof1, _premise1), _kb, _rb, _k], user:s2t)
   Exit: (191) [apply] apply:maplist_([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k], user:s2t)
^  Exit: (190) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof1, _premise1], _kb, _rb, _k], [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
   Call: (190) [system] compound_name_arguments(_463774, t, [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
   Exit: (190) [system] compound_name_arguments(t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k), t, [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
^  Exit: (189) [user] s2t([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k))
   Call: (189) [apply] apply:maplist_([], _463776, user:s2t)
   Exit: (189) [apply] apply:maplist_([], [], user:s2t)
   Exit: (188) [apply] apply:maplist_([[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)], user:s2t)
   Exit: (187) [apply] apply:maplist_([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)], user:s2t)
^  Exit: (186) [apply] apply:maplist(user:s2t, [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
   Call: (186) [system] compound_name_arguments(_412678, t, [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
   Exit: (186) [system] compound_name_arguments(t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t, [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
^  Exit: (185) [user] s2t([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)))
   Call: (185) [apply] apply:maplist_([[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _412680, user:s2t)
^  Call: (186) [user] s2t([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _565984)
   Call: (187) [system] compound([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Exit: (187) [system] compound([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Call: (187) [system] [:, _proof2, _premise2]==(->)
   Call: (187) [system] [:, _proof2, _premise2]=='Cons'
   Call: (187) [system] [:, _proof2, _premise2]==(=)
   Call: (187) [system] is_list([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Exit: (187) [system] is_list([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Call: (187) [user] apply:maplist(s2t, [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _573396)
   Call: (188) [apply] apply:maplist_([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _573396, user:s2t)
^  Call: (189) [user] s2t([:, _proof2, _premise2], _575276)
   Call: (190) [system] compound([:, _proof2, _premise2])
   Exit: (190) [system] compound([:, _proof2, _premise2])
   Call: (190) [system] (:)==(->)
   Call: (190) [system] (:)=='Cons'
   Call: (190) [system] (:)==(=)
   Call: (190) [system] is_list([:, _proof2, _premise2])
   Exit: (190) [system] is_list([:, _proof2, _premise2])
^  Call: (190) [user] apply:maplist(s2t, [:, _proof2, _premise2], _582688)
   Call: (191) [apply] apply:maplist_([:, _proof2, _premise2], _582688, user:s2t)
^  Call: (192) [user] s2t(:, _584568)
   Call: (193) [system] compound(:)
   Call: (193) [system] (:)=_584568
   Exit: (193) [system] (:)=(:)
^  Exit: (192) [user] s2t(:, :)
   Call: (192) [apply] apply:maplist_([_proof2, _premise2], _584570, user:s2t)
^  Call: (193) [user] s2t(_proof2, _590142)
   Call: (194) [system] compound(_proof2)
   Exit: (194) [system] compound(_proof2)
   Call: (194) [system] is_list(_proof2)
^  Call: (194) [user] s2tl(_proof2, _590142)
   Call: (195) [system] compound(_proof2)
   Exit: (195) [system] compound(_proof2)
^  Exit: (194) [user] s2tl(_proof2, _proof2)
^  Exit: (193) [user] s2t(_proof2, _proof2)
   Call: (193) [apply] apply:maplist_([_premise2], _590144, user:s2t)
^  Call: (194) [user] s2t(_premise2, _599412)
   Call: (195) [system] compound(_premise2)
   Exit: (195) [system] compound(_premise2)
   Call: (195) [system] is_list(_premise2)
^  Call: (195) [user] s2tl(_premise2, _599412)
   Call: (196) [system] compound(_premise2)
   Exit: (196) [system] compound(_premise2)
^  Exit: (195) [user] s2tl(_premise2, _premise2)
^  Exit: (194) [user] s2t(_premise2, _premise2)
   Call: (194) [apply] apply:maplist_([], _599414, user:s2t)
   Exit: (194) [apply] apply:maplist_([], [], user:s2t)
   Exit: (193) [apply] apply:maplist_([_premise2], [_premise2], user:s2t)
   Exit: (192) [apply] apply:maplist_([_proof2, _premise2], [_proof2, _premise2], user:s2t)
   Exit: (191) [apply] apply:maplist_([:, _proof2, _premise2], [:, _proof2, _premise2], user:s2t)
^  Exit: (190) [apply] apply:maplist(user:s2t, [:, _proof2, _premise2], [:, _proof2, _premise2])
   Call: (190) [system] compound_name_arguments(_575276, t, [:, _proof2, _premise2])
   Exit: (190) [system] compound_name_arguments(t(:, _proof2, _premise2), t, [:, _proof2, _premise2])
^  Exit: (189) [user] s2t([:, _proof2, _premise2], t(:, _proof2, _premise2))
   Call: (189) [apply] apply:maplist_([[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _575278, user:s2t)
^  Call: (190) [user] s2t([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _617080)
   Call: (191) [system] compound([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Exit: (191) [system] compound([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Call: (191) [system] synthesize==(->)
   Call: (191) [system] synthesize=='Cons'
   Call: (191) [system] synthesize==(=)
   Call: (191) [system] is_list([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Exit: (191) [system] is_list([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Call: (191) [user] apply:maplist(s2t, [synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _624492)
   Call: (192) [apply] apply:maplist_([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _624492, user:s2t)
^  Call: (193) [user] s2t(synthesize, _626372)
   Call: (194) [system] compound(synthesize)
   Call: (194) [system] synthesize=_626372
   Exit: (194) [system] synthesize=synthesize
^  Exit: (193) [user] s2t(synthesize, synthesize)
   Call: (193) [apply] apply:maplist_([[:, _proof2, _premise2], _kb, _rb, _k], _626374, user:s2t)
^  Call: (194) [user] s2t([:, _proof2, _premise2], _631946)
   Call: (195) [system] compound([:, _proof2, _premise2])
   Exit: (195) [system] compound([:, _proof2, _premise2])
   Call: (195) [system] (:)==(->)
   Call: (195) [system] (:)=='Cons'
   Call: (195) [system] (:)==(=)
   Call: (195) [system] is_list([:, _proof2, _premise2])
   Exit: (195) [system] is_list([:, _proof2, _premise2])
^  Call: (195) [user] apply:maplist(s2t, [:, _proof2, _premise2], _639358)
   Call: (196) [apply] apply:maplist_([:, _proof2, _premise2], _639358, user:s2t)
^  Call: (197) [user] s2t(:, _641238)
   Call: (198) [system] compound(:)
   Call: (198) [system] (:)=_641238
   Exit: (198) [system] (:)=(:)
^  Exit: (197) [user] s2t(:, :)
   Call: (197) [apply] apply:maplist_([_proof2, _premise2], _641240, user:s2t)
^  Call: (198) [user] s2t(_proof2, _646812)
   Call: (199) [system] compound(_proof2)
   Exit: (199) [system] compound(_proof2)
   Call: (199) [system] is_list(_proof2)
^  Call: (199) [user] s2tl(_proof2, _646812)
   Call: (200) [system] compound(_proof2)
   Exit: (200) [system] compound(_proof2)
^  Exit: (199) [user] s2tl(_proof2, _proof2)
^  Exit: (198) [user] s2t(_proof2, _proof2)
   Call: (198) [apply] apply:maplist_([_premise2], _646814, user:s2t)
^  Call: (199) [user] s2t(_premise2, _656082)
   Call: (200) [system] compound(_premise2)
   Exit: (200) [system] compound(_premise2)
   Call: (200) [system] is_list(_premise2)
^  Call: (200) [user] s2tl(_premise2, _656082)
   Call: (201) [system] compound(_premise2)
   Exit: (201) [system] compound(_premise2)
^  Exit: (200) [user] s2tl(_premise2, _premise2)
^  Exit: (199) [user] s2t(_premise2, _premise2)
   Call: (199) [apply] apply:maplist_([], _656084, user:s2t)
   Exit: (199) [apply] apply:maplist_([], [], user:s2t)
   Exit: (198) [apply] apply:maplist_([_premise2], [_premise2], user:s2t)
   Exit: (197) [apply] apply:maplist_([_proof2, _premise2], [_proof2, _premise2], user:s2t)
   Exit: (196) [apply] apply:maplist_([:, _proof2, _premise2], [:, _proof2, _premise2], user:s2t)
^  Exit: (195) [apply] apply:maplist(user:s2t, [:, _proof2, _premise2], [:, _proof2, _premise2])
   Call: (195) [system] compound_name_arguments(_631946, t, [:, _proof2, _premise2])
   Exit: (195) [system] compound_name_arguments(t(:, _proof2, _premise2), t, [:, _proof2, _premise2])
^  Exit: (194) [user] s2t([:, _proof2, _premise2], t(:, _proof2, _premise2))
   Call: (194) [apply] apply:maplist_([_kb, _rb, _k], _631948, user:s2t)
^  Call: (195) [user] s2t(_kb, _673750)
   Call: (196) [system] compound(_kb)
   Exit: (196) [system] compound(_kb)
   Call: (196) [system] is_list(_kb)
^  Call: (196) [user] s2tl(_kb, _673750)
   Call: (197) [system] compound(_kb)
   Exit: (197) [system] compound(_kb)
^  Exit: (196) [user] s2tl(_kb, _kb)
^  Exit: (195) [user] s2t(_kb, _kb)
   Call: (195) [apply] apply:maplist_([_rb, _k], _673752, user:s2t)
^  Call: (196) [user] s2t(_rb, _683020)
   Call: (197) [system] compound(_rb)
   Exit: (197) [system] compound(_rb)
   Call: (197) [system] is_list(_rb)
^  Call: (197) [user] s2tl(_rb, _683020)
   Call: (198) [system] compound(_rb)
   Exit: (198) [system] compound(_rb)
^  Exit: (197) [user] s2tl(_rb, _rb)
^  Exit: (196) [user] s2t(_rb, _rb)
   Call: (196) [apply] apply:maplist_([_k], _683022, user:s2t)
^  Call: (197) [user] s2t(_k, _692290)
   Call: (198) [system] compound(_k)
   Exit: (198) [system] compound(_k)
   Call: (198) [system] is_list(_k)
^  Call: (198) [user] s2tl(_k, _692290)
   Call: (199) [system] compound(_k)
   Exit: (199) [system] compound(_k)
^  Exit: (198) [user] s2tl(_k, _k)
^  Exit: (197) [user] s2t(_k, _k)
   Call: (197) [apply] apply:maplist_([], _692292, user:s2t)
   Exit: (197) [apply] apply:maplist_([], [], user:s2t)
   Exit: (196) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (195) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (194) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([[:, _proof2, _premise2], _kb, _rb, _k], [t(:, _proof2, _premise2), _kb, _rb, _k], user:s2t)
   Exit: (192) [apply] apply:maplist_([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k], user:s2t)
^  Exit: (191) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof2, _premise2], _kb, _rb, _k], [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
   Call: (191) [system] compound_name_arguments(_617080, t, [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
   Exit: (191) [system] compound_name_arguments(t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k), t, [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
^  Exit: (190) [user] s2t([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))
   Call: (190) [apply] apply:maplist_([], _617082, user:s2t)
   Exit: (190) [apply] apply:maplist_([], [], user:s2t)
   Exit: (189) [apply] apply:maplist_([[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)], user:s2t)
   Exit: (188) [apply] apply:maplist_([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)], user:s2t)
^  Exit: (187) [apply] apply:maplist(user:s2t, [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
   Call: (187) [system] compound_name_arguments(_565984, t, [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
   Exit: (187) [system] compound_name_arguments(t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t, [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
^  Exit: (186) [user] s2t([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)))
   Call: (186) [apply] apply:maplist_([], _565986, user:s2t)
   Exit: (186) [apply] apply:maplist_([], [], user:s2t)
   Exit: (185) [apply] apply:maplist_([[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], [t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))], user:s2t)
   Exit: (184) [apply] apply:maplist_([[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], [t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))], user:s2t)
   Exit: (183) [apply] apply:maplist_([[[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], [t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))], user:s2t)
   Exit: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))], user:s2t)
^  Exit: (181) [apply] apply:maplist(user:s2t, [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))])
   Call: (181) [system] compound_name_arguments(_175810, t, [t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))])
   Exit: (181) [system] compound_name_arguments(t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), t, [t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))])
^  Exit: (180) [user] s2t([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))))
   Call: (180) [apply] apply:maplist_([_query], _175812, user:s2t)
^  Call: (181) [user] s2t(_query, _728622)
   Call: (182) [system] compound(_query)
   Exit: (182) [system] compound(_query)
   Call: (182) [system] is_list(_query)
^  Call: (182) [user] s2tl(_query, _728622)
   Call: (183) [system] compound(_query)
   Exit: (183) [system] compound(_query)
^  Exit: (182) [user] s2tl(_query, _query)
^  Exit: (181) [user] s2t(_query, _query)
   Call: (181) [apply] apply:maplist_([], _728624, user:s2t)
   Exit: (181) [apply] apply:maplist_([], [], user:s2t)
   Exit: (180) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], [t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query], user:s2t)
   Exit: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query], user:s2t)
^  Exit: (177) [apply] apply:maplist(user:s2t, ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query])
   Call: (177) [system] compound_name_arguments(_160944, t, ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query])
   Exit: (177) [system] compound_name_arguments(t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query), t, ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query])
^  Exit: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query))
^  Call: (176) [user] s2tl([], _160946)
   Call: (177) [system] compound([])
   Call: (177) [system] []=_160946
   Exit: (177) [system] []=[]
^  Exit: (176) [user] s2tl([], [])
^  Exit: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)])
^  Exit: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)])
^  Exit: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)])
^  Exit: (172) [user] s2t_iz(me_synthesize_1727481849_9551582, me_synthesize_1727481849_9551582, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)])
^  Call: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)], _753712)
   Call: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)])
   Exit: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)])
   Call: (173) [system] _753712=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)]
   Exit: (173) [system] [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)]=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)]
^  Exit: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)])
   Call: (172) [system] _759274=..[me_synthesize_1727481849_9551582, 114, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)]
   Exit: (172) [system] me_synthesize_1727481849_9551582(114, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query))=..[me_synthesize_1727481849_9551582, 114, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)]
^  Call: (172) [user] format((0x55772f06bcd0), "~q.~n", [me_synthesize_1727481849_9551582(114, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query))])
^  Exit: (172) [user] format((0x55772f06bcd0), "~q.~n", [me_synthesize_1727481849_9551582(114, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query))])
^  Exit: (171) [user] write_metta_datalog_term((0x55772f06bcd0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], me_synthesize_1727481849_9551582, 114)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]), 114]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 22, 22+1), write_metta_datalog_term((0x55772f06bcd0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], me_synthesize_1727481849_9551582, 114)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x55772f068e50))
   Fail: (169) [system] at_end_of_stream((0x55772f068e50))
^  Call: (169) [user] must_det_ll(line_count((0x55772f068e50), _3074))
^  Call: (170) [user] once(user:line_count((0x55772f068e50), _3074))
   Call: (171) [system] line_count((0x55772f068e50), _3074)
   Exit: (171) [system] line_count((0x55772f068e50), 115)
^  Exit: (170) [system] once(user:line_count((0x55772f068e50), 115))
^  Exit: (169) [user] must_det_ll(user:line_count((0x55772f068e50), 115))
^  Call: (169) [user] must_det_ll(read_sform((0x55772f068e50), _3084))
^  Call: (170) [user] once(user:read_sform((0x55772f068e50), _3084))
^  Call: (171) [user] read_sform((0x55772f068e50), _3084)
   Call: (172) [system] string((0x55772f068e50))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (173) [system] string((0x55772f068e50))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (174) [system] at_end_of_stream((0x55772f068e50))
   Call: (174) [system] peek_char((0x55772f068e50), _784466)
   Exit: (174) [system] peek_char((0x55772f068e50), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x55772f068e50), '\n')
   Exit: (174) [system] get_char((0x55772f068e50), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), _3084)
   Call: (175) [system] at_end_of_stream((0x55772f068e50))
   Call: (175) [system] peek_char((0x55772f068e50), _791888)
   Exit: (175) [system] peek_char((0x55772f068e50), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (176) [system] string((0x55772f068e50))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (177) [system] at_end_of_stream((0x55772f068e50))
   Call: (177) [system] peek_char((0x55772f068e50), _800226)
   Exit: (177) [system] peek_char((0x55772f068e50), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _803012=(0x55772f068e50)
   Exit: (177) [system] (0x55772f068e50)=(0x55772f068e50)
^  Call: (177) [user] once((read_position((0x55772f068e50), _804880, _804882, _804884, _804886), read_sexpr((0x55772f068e50), _804898), assertz(metta_file_comment(_804880, _804882, _804884, _804898, _804886))))
^  Call: (179) [user] read_position((0x55772f068e50), _804880, _804882, _804884, _804886)
   Call: (180) [system] stream_property((0x55772f068e50), position(_804886))
   Call: (181) [system] nonvar((0x55772f068e50))
   Exit: (181) [system] nonvar((0x55772f068e50))
   Call: (181) [system] nonvar(position(_804886))
   Exit: (181) [system] nonvar(position(_804886))
   Exit: (180) [system] stream_property((0x55772f068e50), position('$stream_position'(4794, 116, 0, 4794)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4794, 116, 0, 4794), _804880)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _815138)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4794, 116, 0, 4794), _804880)
   Exit: (181) [system] arg(2, '$stream_position'(4794, 116, 0, 4794), 116)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4794, 116, 0, 4794), 116)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4794, 116, 0, 4794), _804882)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _822572)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4794, 116, 0, 4794), _804882)
   Exit: (181) [system] arg(3, '$stream_position'(4794, 116, 0, 4794), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4794, 116, 0, 4794), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4794, 116, 0, 4794), _804884)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _830006)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4794, 116, 0, 4794), _804884)
   Exit: (181) [system] arg(1, '$stream_position'(4794, 116, 0, 4794), 4794)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4794, 116, 0, 4794), 4794)
^  Exit: (179) [user] read_position((0x55772f068e50), 116, 0, 4794, '$stream_position'(4794, 116, 0, 4794))
^  Call: (179) [user] read_sexpr((0x55772f068e50), _804898)
   Call: (180) [system] string((0x55772f068e50))
   Fail: (180) [system] string((0x55772f068e50))
^  Call: (180) [user] cont_sexpr(')', (0x55772f068e50), _804898)
^  Call: (181) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _840232)
   Exit: (182) [system] peek_char((0x55772f068e50), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x55772f068e50))
   Call: (181) [system] get_char((0x55772f068e50), _856242)
   Exit: (181) [system] get_char((0x55772f068e50), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x55772f068e50), _804898)
^  Call: (182) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _861812)
   Exit: (183) [system] peek_char((0x55772f068e50), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _877822)
   Exit: (182) [system] peek_char((0x55772f068e50), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x55772f068e50), _883392)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _885250)
   Exit: (184) [system] peek_char((0x55772f068e50), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] get_char((0x55772f068e50), _901260)
   Exit: (183) [system] get_char((0x55772f068e50), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x55772f068e50), =, _883392)
^  Call: (184) [user] read_symbolic_cont(')', (0x55772f068e50), _918902)
   Call: (185) [system] peek_char((0x55772f068e50), _919836)
   Exit: (185) [system] peek_char((0x55772f068e50), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _918902=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _883392)
^  Call: (185) [user] classify_and_convert_charseq_([=], _929120)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_930072, _930074), once(user:catch(read_from_chars([=], _929120), _930054, fail)), '$restore_trace'(_930072, _930074))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_930072, _930074))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _930054, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _883392=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x55772f068e50), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x55772f068e50), =)
^  Call: (182) [user] read_list(')', (0x55772f068e50), _942200)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _944058)
   Exit: (184) [system] peek_char((0x55772f068e50), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x55772f068e50), _953652)
   Exit: (184) [system] get_char((0x55772f068e50), ' ')
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _956356)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _973290)
   Exit: (183) [system] peek_char((0x55772f068e50), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x55772f068e50), _978860)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _980718)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] get_char((0x55772f068e50), _996728)
   Exit: (184) [system] get_char((0x55772f068e50), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x55772f068e50), _978860)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1002298)
   Exit: (186) [system] peek_char((0x55772f068e50), r)
   Call: (186) [system] r=(;)
   Fail: (186) [system] r=(;)
   Call: (186) [system] r=(/)
   Fail: (186) [system] r=(/)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Fail: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Fail: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Fail: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
   Fail: (187) [system] char_type(r, cntrl)
^  Fail: (186) [user] is_like_space(r)
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1018308)
   Exit: (185) [system] peek_char((0x55772f068e50), r)
   Call: (185) [system] r=')'
   Fail: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
   Fail: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x55772f068e50), _1023878)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1025736)
   Exit: (187) [system] peek_char((0x55772f068e50), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
   Call: (187) [system] r=(/)
   Fail: (187) [system] r=(/)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] get_char((0x55772f068e50), _1041746)
   Exit: (186) [system] get_char((0x55772f068e50), r)
   Call: (186) [system] r='('
   Fail: (186) [system] r='('
   Call: (186) [system] r='['
   Fail: (186) [system] r='['
   Call: (186) [system] r='{'
   Fail: (186) [system] r='{'
   Call: (186) [system] r='"'
   Fail: (186) [system] r='"'
   Call: (186) [system] r=!
   Fail: (186) [system] r=!
   Call: (186) [system] r='\''
   Fail: (186) [system] r='\''
   Call: (186) [system] r='`'
   Fail: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
   Fail: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x55772f068e50), r, _1023878)
^  Call: (187) [user] read_symbolic_cont(')', (0x55772f068e50), _1059388)
   Call: (188) [system] peek_char((0x55772f068e50), _1060322)
   Exit: (188) [system] peek_char((0x55772f068e50), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_1065042, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_1065974, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x55772f068e50), b)
   Exit: (188) [system] get_char((0x55772f068e50), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _1073324)
   Call: (189) [system] peek_char((0x55772f068e50), _1074258)
   Exit: (189) [system] peek_char((0x55772f068e50), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_1078978, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _1073324=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (188) [system] _1059388=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
^  Call: (187) [user] classify_and_convert_charseq([r, b], _1023878)
^  Call: (188) [user] classify_and_convert_charseq_([r, b], _1088208)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1089160, _1089162), once(user:catch(read_from_chars([r, b], _1088208), _1089142, fail)), '$restore_trace'(_1089160, _1089162))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1089160, _1089162))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _1089142, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(rb)
   Exit: (189) [system] atomic(rb)
^  Exit: (188) [user] classify_and_convert_charseq_([r, b], rb)
   Call: (188) [system] integer(rb)
   Fail: (188) [system] integer(rb)
   Call: (188) [system] _1023878=rb
   Exit: (188) [system] rb=rb
^  Exit: (187) [user] classify_and_convert_charseq([r, b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x55772f068e50), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x55772f068e50), rb)
^  Call: (185) [user] read_list(')', (0x55772f068e50), _1101288)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1103146)
   Exit: (187) [system] peek_char((0x55772f068e50), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1119156)
   Exit: (186) [system] peek_char((0x55772f068e50), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x55772f068e50), _1122946)
   Exit: (186) [system] get_char((0x55772f068e50), ')')
   Call: (186) [system] _1101288=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [])
   Call: (185) [system] _978860=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x55772f068e50), [rb])
^  Call: (183) [user] read_list(')', (0x55772f068e50), _1131240)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1133098)
   Exit: (185) [system] peek_char((0x55772f068e50), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x55772f068e50), _1142692)
   Exit: (185) [system] get_char((0x55772f068e50), ' ')
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1145396)
   Exit: (186) [system] peek_char((0x55772f068e50), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _1162330)
   Exit: (184) [system] peek_char((0x55772f068e50), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x55772f068e50), _1167900)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1169758)
   Exit: (186) [system] peek_char((0x55772f068e50), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] get_char((0x55772f068e50), _1185768)
   Exit: (185) [system] get_char((0x55772f068e50), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x55772f068e50), _1167900)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1191338)
   Exit: (187) [system] peek_char((0x55772f068e50), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
   Call: (187) [system] (:)=(/)
   Fail: (187) [system] (:)=(/)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1207348)
   Exit: (186) [system] peek_char((0x55772f068e50), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x55772f068e50), _1212918)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1214776)
   Exit: (188) [system] peek_char((0x55772f068e50), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
   Call: (188) [system] (:)=(/)
   Fail: (188) [system] (:)=(/)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] get_char((0x55772f068e50), _1230786)
   Exit: (187) [system] get_char((0x55772f068e50), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x55772f068e50), :, _1212918)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _1248428)
   Call: (189) [system] peek_char((0x55772f068e50), _1249362)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _1248428=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (188) [user] classify_and_convert_charseq([:], _1212918)
^  Call: (189) [user] classify_and_convert_charseq_([:], _1258646)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1259598, _1259600), once(user:catch(read_from_chars([:], _1258646), _1259580, fail)), '$restore_trace'(_1259598, _1259600))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1259598, _1259600))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1259580, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(:)
   Exit: (190) [system] atomic(:)
^  Exit: (189) [user] classify_and_convert_charseq_([:], :)
   Call: (189) [system] integer(:)
   Fail: (189) [system] integer(:)
   Call: (189) [system] _1212918=(:)
   Exit: (189) [system] (:)=(:)
^  Exit: (188) [user] classify_and_convert_charseq([:], :)
^  Exit: (187) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (186) [user] read_list(')', (0x55772f068e50), _1271726)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1273584)
   Exit: (188) [system] peek_char((0x55772f068e50), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x55772f068e50), _1283178)
   Exit: (188) [system] get_char((0x55772f068e50), ' ')
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1285882)
   Exit: (189) [system] peek_char((0x55772f068e50), 'C')
   Call: (189) [system] 'C'=(;)
   Fail: (189) [system] 'C'=(;)
   Call: (189) [system] 'C'=(/)
   Fail: (189) [system] 'C'=(/)
^  Call: (189) [user] is_like_space('C')
   Call: (190) [system] char_type('C', 'white')
   Fail: (190) [system] char_type('C', 'white')
   Call: (190) [system] char_type('C', end_of_line)
   Fail: (190) [system] char_type('C', end_of_line)
   Call: (190) [system] char_type('C', space)
   Fail: (190) [system] char_type('C', space)
   Call: (190) [system] char_type('C', cntrl)
   Fail: (190) [system] char_type('C', cntrl)
^  Fail: (189) [user] is_like_space('C')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1302816)
   Exit: (187) [system] peek_char((0x55772f068e50), 'C')
   Call: (187) [system] 'C'=')'
   Fail: (187) [system] 'C'=')'
   Call: (187) [system] 'C'=end_of_file
   Fail: (187) [system] 'C'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x55772f068e50), _1308386)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1310244)
   Exit: (189) [system] peek_char((0x55772f068e50), 'C')
   Call: (189) [system] 'C'=(;)
   Fail: (189) [system] 'C'=(;)
   Call: (189) [system] 'C'=(/)
   Fail: (189) [system] 'C'=(/)
^  Call: (189) [user] is_like_space('C')
   Call: (190) [system] char_type('C', 'white')
   Fail: (190) [system] char_type('C', 'white')
   Call: (190) [system] char_type('C', end_of_line)
   Fail: (190) [system] char_type('C', end_of_line)
   Call: (190) [system] char_type('C', space)
   Fail: (190) [system] char_type('C', space)
   Call: (190) [system] char_type('C', cntrl)
   Fail: (190) [system] char_type('C', cntrl)
^  Fail: (189) [user] is_like_space('C')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] get_char((0x55772f068e50), _1326254)
   Exit: (188) [system] get_char((0x55772f068e50), 'C')
   Call: (188) [system] 'C'='('
   Fail: (188) [system] 'C'='('
   Call: (188) [system] 'C'='['
   Fail: (188) [system] 'C'='['
   Call: (188) [system] 'C'='{'
   Fail: (188) [system] 'C'='{'
   Call: (188) [system] 'C'='"'
   Fail: (188) [system] 'C'='"'
   Call: (188) [system] 'C'=!
   Fail: (188) [system] 'C'=!
   Call: (188) [system] 'C'='\''
   Fail: (188) [system] 'C'='\''
   Call: (188) [system] 'C'='`'
   Fail: (188) [system] 'C'='`'
   Call: (188) [system] 'C'=end_of_file
   Fail: (188) [system] 'C'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x55772f068e50), 'C', _1308386)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _1343896)
   Call: (190) [system] peek_char((0x55772f068e50), _1344830)
   Exit: (190) [system] peek_char((0x55772f068e50), o)
^  Call: (190) [user] is_delimiter(o)
   Call: (191) [system] char_type(o, space)
   Fail: (191) [system] char_type(o, space)
   Call: (191) [system] arg(_1349550, v('(', ')', end_of_file), o)
   Fail: (191) [system] arg(_1350482, v('(', ')', end_of_file), o)
^  Fail: (190) [user] is_delimiter(o)
   Call: (190) [system] ')'==o
   Fail: (190) [system] ')'==o
   Call: (190) [system] get_char((0x55772f068e50), o)
   Exit: (190) [system] get_char((0x55772f068e50), o)
   Call: (190) [system] o=(\)
   Fail: (190) [system] o=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _1357832)
   Call: (191) [system] peek_char((0x55772f068e50), _1358766)
   Exit: (191) [system] peek_char((0x55772f068e50), n)
^  Call: (191) [user] is_delimiter(n)
   Call: (192) [system] char_type(n, space)
   Fail: (192) [system] char_type(n, space)
   Call: (192) [system] arg(_1363486, v('(', ')', end_of_file), n)
   Fail: (192) [system] arg(_1364418, v('(', ')', end_of_file), n)
^  Fail: (191) [user] is_delimiter(n)
   Call: (191) [system] ')'==n
   Fail: (191) [system] ')'==n
   Call: (191) [system] get_char((0x55772f068e50), n)
   Exit: (191) [system] get_char((0x55772f068e50), n)
   Call: (191) [system] n=(\)
   Fail: (191) [system] n=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _1371768)
   Call: (192) [system] peek_char((0x55772f068e50), _1372702)
   Exit: (192) [system] peek_char((0x55772f068e50), j)
^  Call: (192) [user] is_delimiter(j)
   Call: (193) [system] char_type(j, space)
   Fail: (193) [system] char_type(j, space)
   Call: (193) [system] arg(_1377422, v('(', ')', end_of_file), j)
   Fail: (193) [system] arg(_1378354, v('(', ')', end_of_file), j)
^  Fail: (192) [user] is_delimiter(j)
   Call: (192) [system] ')'==j
   Fail: (192) [system] ')'==j
   Call: (192) [system] get_char((0x55772f068e50), j)
   Exit: (192) [system] get_char((0x55772f068e50), j)
   Call: (192) [system] j=(\)
   Fail: (192) [system] j=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _1385704)
   Call: (193) [system] peek_char((0x55772f068e50), _1386638)
   Exit: (193) [system] peek_char((0x55772f068e50), u)
^  Call: (193) [user] is_delimiter(u)
   Call: (194) [system] char_type(u, space)
   Fail: (194) [system] char_type(u, space)
   Call: (194) [system] arg(_1391358, v('(', ')', end_of_file), u)
   Fail: (194) [system] arg(_1392290, v('(', ')', end_of_file), u)
^  Fail: (193) [user] is_delimiter(u)
   Call: (193) [system] ')'==u
   Fail: (193) [system] ')'==u
   Call: (193) [system] get_char((0x55772f068e50), u)
   Exit: (193) [system] get_char((0x55772f068e50), u)
   Call: (193) [system] u=(\)
   Fail: (193) [system] u=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _1399640)
   Call: (194) [system] peek_char((0x55772f068e50), _1400574)
   Exit: (194) [system] peek_char((0x55772f068e50), n)
^  Call: (194) [user] is_delimiter(n)
   Call: (195) [system] char_type(n, space)
   Fail: (195) [system] char_type(n, space)
   Call: (195) [system] arg(_1405294, v('(', ')', end_of_file), n)
   Fail: (195) [system] arg(_1406226, v('(', ')', end_of_file), n)
^  Fail: (194) [user] is_delimiter(n)
   Call: (194) [system] ')'==n
   Fail: (194) [system] ')'==n
   Call: (194) [system] get_char((0x55772f068e50), n)
   Exit: (194) [system] get_char((0x55772f068e50), n)
   Call: (194) [system] n=(\)
   Fail: (194) [system] n=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _1413576)
   Call: (195) [system] peek_char((0x55772f068e50), _1414510)
   Exit: (195) [system] peek_char((0x55772f068e50), c)
^  Call: (195) [user] is_delimiter(c)
   Call: (196) [system] char_type(c, space)
   Fail: (196) [system] char_type(c, space)
   Call: (196) [system] arg(_1419230, v('(', ')', end_of_file), c)
   Fail: (196) [system] arg(_1420162, v('(', ')', end_of_file), c)
^  Fail: (195) [user] is_delimiter(c)
   Call: (195) [system] ')'==c
   Fail: (195) [system] ')'==c
   Call: (195) [system] get_char((0x55772f068e50), c)
   Exit: (195) [system] get_char((0x55772f068e50), c)
   Call: (195) [system] c=(\)
   Fail: (195) [system] c=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _1427512)
   Call: (196) [system] peek_char((0x55772f068e50), _1428446)
   Exit: (196) [system] peek_char((0x55772f068e50), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_1433166, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_1434098, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x55772f068e50), t)
   Exit: (196) [system] get_char((0x55772f068e50), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1441448)
   Call: (197) [system] peek_char((0x55772f068e50), _1442382)
   Exit: (197) [system] peek_char((0x55772f068e50), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Fail: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_1447102, v('(', ')', end_of_file), i)
   Fail: (198) [system] arg(_1448034, v('(', ')', end_of_file), i)
^  Fail: (197) [user] is_delimiter(i)
   Call: (197) [system] ')'==i
   Fail: (197) [system] ')'==i
   Call: (197) [system] get_char((0x55772f068e50), i)
   Exit: (197) [system] get_char((0x55772f068e50), i)
   Call: (197) [system] i=(\)
   Fail: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1455384)
   Call: (198) [system] peek_char((0x55772f068e50), _1456318)
   Exit: (198) [system] peek_char((0x55772f068e50), o)
^  Call: (198) [user] is_delimiter(o)
   Call: (199) [system] char_type(o, space)
   Fail: (199) [system] char_type(o, space)
   Call: (199) [system] arg(_1461038, v('(', ')', end_of_file), o)
   Fail: (199) [system] arg(_1461970, v('(', ')', end_of_file), o)
^  Fail: (198) [user] is_delimiter(o)
   Call: (198) [system] ')'==o
   Fail: (198) [system] ')'==o
   Call: (198) [system] get_char((0x55772f068e50), o)
   Exit: (198) [system] get_char((0x55772f068e50), o)
   Call: (198) [system] o=(\)
   Fail: (198) [system] o=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1469320)
   Call: (199) [system] peek_char((0x55772f068e50), _1470254)
   Exit: (199) [system] peek_char((0x55772f068e50), n)
^  Call: (199) [user] is_delimiter(n)
   Call: (200) [system] char_type(n, space)
   Fail: (200) [system] char_type(n, space)
   Call: (200) [system] arg(_1474974, v('(', ')', end_of_file), n)
   Fail: (200) [system] arg(_1475906, v('(', ')', end_of_file), n)
^  Fail: (199) [user] is_delimiter(n)
   Call: (199) [system] ')'==n
   Fail: (199) [system] ')'==n
   Call: (199) [system] get_char((0x55772f068e50), n)
   Exit: (199) [system] get_char((0x55772f068e50), n)
   Call: (199) [system] n=(\)
   Fail: (199) [system] n=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1483256)
   Call: (200) [system] peek_char((0x55772f068e50), _1484190)
   Exit: (200) [system] peek_char((0x55772f068e50), 'E')
^  Call: (200) [user] is_delimiter('E')
   Call: (201) [system] char_type('E', space)
   Fail: (201) [system] char_type('E', space)
   Call: (201) [system] arg(_1488910, v('(', ')', end_of_file), 'E')
   Fail: (201) [system] arg(_1489842, v('(', ')', end_of_file), 'E')
^  Fail: (200) [user] is_delimiter('E')
   Call: (200) [system] ')'=='E'
   Fail: (200) [system] ')'=='E'
   Call: (200) [system] get_char((0x55772f068e50), 'E')
   Exit: (200) [system] get_char((0x55772f068e50), 'E')
   Call: (200) [system] 'E'=(\)
   Fail: (200) [system] 'E'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1497192)
   Call: (201) [system] peek_char((0x55772f068e50), _1498126)
   Exit: (201) [system] peek_char((0x55772f068e50), l)
^  Call: (201) [user] is_delimiter(l)
   Call: (202) [system] char_type(l, space)
   Fail: (202) [system] char_type(l, space)
   Call: (202) [system] arg(_1502846, v('(', ')', end_of_file), l)
   Fail: (202) [system] arg(_1503778, v('(', ')', end_of_file), l)
^  Fail: (201) [user] is_delimiter(l)
   Call: (201) [system] ')'==l
   Fail: (201) [system] ')'==l
   Call: (201) [system] get_char((0x55772f068e50), l)
   Exit: (201) [system] get_char((0x55772f068e50), l)
   Call: (201) [system] l=(\)
   Fail: (201) [system] l=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1511128)
   Call: (202) [system] peek_char((0x55772f068e50), _1512062)
   Exit: (202) [system] peek_char((0x55772f068e50), i)
^  Call: (202) [user] is_delimiter(i)
   Call: (203) [system] char_type(i, space)
   Fail: (203) [system] char_type(i, space)
   Call: (203) [system] arg(_1516782, v('(', ')', end_of_file), i)
   Fail: (203) [system] arg(_1517714, v('(', ')', end_of_file), i)
^  Fail: (202) [user] is_delimiter(i)
   Call: (202) [system] ')'==i
   Fail: (202) [system] ')'==i
   Call: (202) [system] get_char((0x55772f068e50), i)
   Exit: (202) [system] get_char((0x55772f068e50), i)
   Call: (202) [system] i=(\)
   Fail: (202) [system] i=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1525064)
   Call: (203) [system] peek_char((0x55772f068e50), _1525998)
   Exit: (203) [system] peek_char((0x55772f068e50), m)
^  Call: (203) [user] is_delimiter(m)
   Call: (204) [system] char_type(m, space)
   Fail: (204) [system] char_type(m, space)
   Call: (204) [system] arg(_1530718, v('(', ')', end_of_file), m)
   Fail: (204) [system] arg(_1531650, v('(', ')', end_of_file), m)
^  Fail: (203) [user] is_delimiter(m)
   Call: (203) [system] ')'==m
   Fail: (203) [system] ')'==m
   Call: (203) [system] get_char((0x55772f068e50), m)
   Exit: (203) [system] get_char((0x55772f068e50), m)
   Call: (203) [system] m=(\)
   Fail: (203) [system] m=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1539000)
   Call: (204) [system] peek_char((0x55772f068e50), _1539934)
   Exit: (204) [system] peek_char((0x55772f068e50), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_1544654, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_1545586, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x55772f068e50), i)
   Exit: (204) [system] get_char((0x55772f068e50), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1552936)
   Call: (205) [system] peek_char((0x55772f068e50), _1553870)
   Exit: (205) [system] peek_char((0x55772f068e50), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1558590, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_1559522, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x55772f068e50), n)
   Exit: (205) [system] get_char((0x55772f068e50), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1566872)
   Call: (206) [system] peek_char((0x55772f068e50), _1567806)
   Exit: (206) [system] peek_char((0x55772f068e50), a)
^  Call: (206) [user] is_delimiter(a)
   Call: (207) [system] char_type(a, space)
   Fail: (207) [system] char_type(a, space)
   Call: (207) [system] arg(_1572526, v('(', ')', end_of_file), a)
   Fail: (207) [system] arg(_1573458, v('(', ')', end_of_file), a)
^  Fail: (206) [user] is_delimiter(a)
   Call: (206) [system] ')'==a
   Fail: (206) [system] ')'==a
   Call: (206) [system] get_char((0x55772f068e50), a)
   Exit: (206) [system] get_char((0x55772f068e50), a)
   Call: (206) [system] a=(\)
   Fail: (206) [system] a=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1580808)
   Call: (207) [system] peek_char((0x55772f068e50), _1581742)
   Exit: (207) [system] peek_char((0x55772f068e50), t)
^  Call: (207) [user] is_delimiter(t)
   Call: (208) [system] char_type(t, space)
   Fail: (208) [system] char_type(t, space)
   Call: (208) [system] arg(_1586462, v('(', ')', end_of_file), t)
   Fail: (208) [system] arg(_1587394, v('(', ')', end_of_file), t)
^  Fail: (207) [user] is_delimiter(t)
   Call: (207) [system] ')'==t
   Fail: (207) [system] ')'==t
   Call: (207) [system] get_char((0x55772f068e50), t)
   Exit: (207) [system] get_char((0x55772f068e50), t)
   Call: (207) [system] t=(\)
   Fail: (207) [system] t=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1594744)
   Call: (208) [system] peek_char((0x55772f068e50), _1595678)
   Exit: (208) [system] peek_char((0x55772f068e50), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1600398, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1601330, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x55772f068e50), i)
   Exit: (208) [system] get_char((0x55772f068e50), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1608680)
   Call: (209) [system] peek_char((0x55772f068e50), _1609614)
   Exit: (209) [system] peek_char((0x55772f068e50), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_1614334, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_1615266, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x55772f068e50), o)
   Exit: (209) [system] get_char((0x55772f068e50), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1622616)
   Call: (210) [system] peek_char((0x55772f068e50), _1623550)
   Exit: (210) [system] peek_char((0x55772f068e50), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_1628270, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_1629202, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x55772f068e50), n)
   Exit: (210) [system] get_char((0x55772f068e50), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1636552)
   Call: (211) [system] peek_char((0x55772f068e50), _1637486)
   Exit: (211) [system] peek_char((0x55772f068e50), 'R')
^  Call: (211) [user] is_delimiter('R')
   Call: (212) [system] char_type('R', space)
   Fail: (212) [system] char_type('R', space)
   Call: (212) [system] arg(_1642206, v('(', ')', end_of_file), 'R')
   Fail: (212) [system] arg(_1643138, v('(', ')', end_of_file), 'R')
^  Fail: (211) [user] is_delimiter('R')
   Call: (211) [system] ')'=='R'
   Fail: (211) [system] ')'=='R'
   Call: (211) [system] get_char((0x55772f068e50), 'R')
   Exit: (211) [system] get_char((0x55772f068e50), 'R')
   Call: (211) [system] 'R'=(\)
   Fail: (211) [system] 'R'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1650488)
   Call: (212) [system] peek_char((0x55772f068e50), _1651422)
   Exit: (212) [system] peek_char((0x55772f068e50), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1656142, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_1657074, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x55772f068e50), i)
   Exit: (212) [system] get_char((0x55772f068e50), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1664424)
   Call: (213) [system] peek_char((0x55772f068e50), _1665358)
   Exit: (213) [system] peek_char((0x55772f068e50), g)
^  Call: (213) [user] is_delimiter(g)
   Call: (214) [system] char_type(g, space)
   Fail: (214) [system] char_type(g, space)
   Call: (214) [system] arg(_1670078, v('(', ')', end_of_file), g)
   Fail: (214) [system] arg(_1671010, v('(', ')', end_of_file), g)
^  Fail: (213) [user] is_delimiter(g)
   Call: (213) [system] ')'==g
   Fail: (213) [system] ')'==g
   Call: (213) [system] get_char((0x55772f068e50), g)
   Exit: (213) [system] get_char((0x55772f068e50), g)
   Call: (213) [system] g=(\)
   Fail: (213) [system] g=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1678360)
   Call: (214) [system] peek_char((0x55772f068e50), _1679294)
   Exit: (214) [system] peek_char((0x55772f068e50), h)
^  Call: (214) [user] is_delimiter(h)
   Call: (215) [system] char_type(h, space)
   Fail: (215) [system] char_type(h, space)
   Call: (215) [system] arg(_1684014, v('(', ')', end_of_file), h)
   Fail: (215) [system] arg(_1684946, v('(', ')', end_of_file), h)
^  Fail: (214) [user] is_delimiter(h)
   Call: (214) [system] ')'==h
   Fail: (214) [system] ')'==h
   Call: (214) [system] get_char((0x55772f068e50), h)
   Exit: (214) [system] get_char((0x55772f068e50), h)
   Call: (214) [system] h=(\)
   Fail: (214) [system] h=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1692296)
   Call: (215) [system] peek_char((0x55772f068e50), _1693230)
   Exit: (215) [system] peek_char((0x55772f068e50), t)
^  Call: (215) [user] is_delimiter(t)
   Call: (216) [system] char_type(t, space)
   Fail: (216) [system] char_type(t, space)
   Call: (216) [system] arg(_1697950, v('(', ')', end_of_file), t)
   Fail: (216) [system] arg(_1698882, v('(', ')', end_of_file), t)
^  Fail: (215) [user] is_delimiter(t)
   Call: (215) [system] ')'==t
   Fail: (215) [system] ')'==t
   Call: (215) [system] get_char((0x55772f068e50), t)
   Exit: (215) [system] get_char((0x55772f068e50), t)
   Call: (215) [system] t=(\)
   Fail: (215) [system] t=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1706232)
   Call: (216) [system] peek_char((0x55772f068e50), _1707166)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1706232=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (215) [system] _1692296=[t]
   Exit: (215) [system] [t]=[t]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [t])
   Call: (214) [system] _1678360=[h, t]
   Exit: (214) [system] [h, t]=[h, t]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [h, t])
   Call: (213) [system] _1664424=[g, h, t]
   Exit: (213) [system] [g, h, t]=[g, h, t]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [g, h, t])
   Call: (212) [system] _1650488=[i, g, h, t]
   Exit: (212) [system] [i, g, h, t]=[i, g, h, t]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [i, g, h, t])
   Call: (211) [system] _1636552=['R', i, g, h, t]
   Exit: (211) [system] ['R', i, g, h, t]=['R', i, g, h, t]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), ['R', i, g, h, t])
   Call: (210) [system] _1622616=[n, 'R', i, g, h, t]
   Exit: (210) [system] [n, 'R', i, g, h, t]=[n, 'R', i, g, h, t]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'R', i, g, h, t])
   Call: (209) [system] _1608680=[o, n, 'R', i, g, h, t]
   Exit: (209) [system] [o, n, 'R', i, g, h, t]=[o, n, 'R', i, g, h, t]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'R', i, g, h, t])
   Call: (208) [system] _1594744=[i, o, n, 'R', i, g, h, t]
   Exit: (208) [system] [i, o, n, 'R', i, g, h, t]=[i, o, n, 'R', i, g, h, t]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'R', i, g, h, t])
   Call: (207) [system] _1580808=[t, i, o, n, 'R', i, g, h, t]
   Exit: (207) [system] [t, i, o, n, 'R', i, g, h, t]=[t, i, o, n, 'R', i, g, h, t]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'R', i, g, h, t])
   Call: (206) [system] _1566872=[a, t, i, o, n, 'R', i, g, h, t]
   Exit: (206) [system] [a, t, i, o, n, 'R', i, g, h, t]=[a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n, 'R', i, g, h, t])
   Call: (205) [system] _1552936=[n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (205) [system] [n, a, t, i, o, n, 'R', i, g, h, t]=[n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (204) [system] _1539000=[i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (204) [system] [i, n, a, t, i, o, n, 'R', i, g, h, t]=[i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (203) [system] _1525064=[m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (203) [system] [m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (202) [system] _1511128=[i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (202) [system] [i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (201) [system] _1497192=[l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (201) [system] [l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (200) [system] _1483256=['E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (200) [system] ['E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=['E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), ['E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (199) [system] _1469320=[n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (199) [system] [n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (198) [system] _1455384=[o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (198) [system] [o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (197) [system] _1441448=[i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (197) [system] [i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (196) [system] _1427512=[t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (196) [system] [t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (195) [system] _1413576=[c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (195) [system] [c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (194) [system] _1399640=[n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (194) [system] [n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (193) [system] _1385704=[u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (193) [system] [u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (192) [system] _1371768=[j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (192) [system] [j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (191) [system] _1357832=[n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (191) [system] [n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (190) [system] _1343896=[o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (190) [system] [o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
^  Call: (189) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t], _1308386)
^  Call: (190) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t], _1789094)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_1790046, _1790048), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t], _1789094), _1790028, fail)), '$restore_trace'(_1790046, _1790048))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_1790046, _1790048))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t], _1789094), _1790028, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(_1789094)
   Fail: (191) [system] atomic(_1789094)
   Call: (191) [system] atom_chars(_1789094, ['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Exit: (191) [system] atom_chars('ConjunctionEliminationRight', ['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
^  Exit: (190) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t], 'ConjunctionEliminationRight')
   Call: (190) [system] integer('ConjunctionEliminationRight')
   Fail: (190) [system] integer('ConjunctionEliminationRight')
   Call: (190) [system] _1308386='ConjunctionEliminationRight'
   Exit: (190) [system] 'ConjunctionEliminationRight'='ConjunctionEliminationRight'
^  Exit: (189) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t], 'ConjunctionEliminationRight')
^  Exit: (188) [user] read_symbolic(')', (0x55772f068e50), 'C', 'ConjunctionEliminationRight')
^  Exit: (187) [user] cont_sexpr(')', (0x55772f068e50), 'ConjunctionEliminationRight')
^  Call: (187) [user] read_list(')', (0x55772f068e50), _1804044)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1805902)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x55772f068e50), _1815496)
   Exit: (189) [system] get_char((0x55772f068e50), ' ')
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1818200)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1835134)
   Exit: (188) [system] peek_char((0x55772f068e50), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x55772f068e50), _1840704)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1842562)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] get_char((0x55772f068e50), _1858572)
   Exit: (189) [system] get_char((0x55772f068e50), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x55772f068e50), _1840704)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1864142)
   Exit: (191) [system] peek_char((0x55772f068e50), -)
   Call: (191) [system] (-)=(;)
   Fail: (191) [system] (-)=(;)
   Call: (191) [system] (-)=(/)
   Fail: (191) [system] (-)=(/)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Fail: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Fail: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Fail: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
   Fail: (192) [system] char_type(-, cntrl)
^  Fail: (191) [user] is_like_space(-)
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1880152)
   Exit: (190) [system] peek_char((0x55772f068e50), -)
   Call: (190) [system] (-)=')'
   Fail: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
   Fail: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x55772f068e50), _1885722)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1887580)
   Exit: (192) [system] peek_char((0x55772f068e50), -)
   Call: (192) [system] (-)=(;)
   Fail: (192) [system] (-)=(;)
   Call: (192) [system] (-)=(/)
   Fail: (192) [system] (-)=(/)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Fail: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Fail: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Fail: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
   Fail: (193) [system] char_type(-, cntrl)
^  Fail: (192) [user] is_like_space(-)
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] get_char((0x55772f068e50), _1903590)
   Exit: (191) [system] get_char((0x55772f068e50), -)
   Call: (191) [system] (-)='('
   Fail: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Fail: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Fail: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Fail: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Fail: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Fail: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Fail: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
   Fail: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x55772f068e50), -, _1885722)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _1921232)
   Call: (193) [system] peek_char((0x55772f068e50), _1922166)
   Exit: (193) [system] peek_char((0x55772f068e50), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Fail: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_1926886, v('(', ')', end_of_file), >)
   Fail: (194) [system] arg(_1927818, v('(', ')', end_of_file), >)
^  Fail: (193) [user] is_delimiter(>)
   Call: (193) [system] ')'==(>)
   Fail: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x55772f068e50), >)
   Exit: (193) [system] get_char((0x55772f068e50), >)
   Call: (193) [system] (>)=(\)
   Fail: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _1935168)
   Call: (194) [system] peek_char((0x55772f068e50), _1936102)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1935168=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (193) [system] _1921232=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [>])
^  Call: (192) [user] classify_and_convert_charseq([-, >], _1885722)
^  Call: (193) [user] classify_and_convert_charseq_([-, >], _1948180)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_1949132, _1949134), once(user:catch(read_from_chars([-, >], _1948180), _1949114, fail)), '$restore_trace'(_1949132, _1949134))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_1949132, _1949134))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _1949114, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(->)
   Exit: (194) [system] atomic(->)
^  Exit: (193) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (193) [system] integer(->)
   Fail: (193) [system] integer(->)
   Call: (193) [system] _1885722=(->)
   Exit: (193) [system] (->)=(->)
^  Exit: (192) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (191) [user] read_symbolic(')', (0x55772f068e50), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x55772f068e50), ->)
^  Call: (190) [user] read_list(')', (0x55772f068e50), _1961260)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1963118)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x55772f068e50), _1972712)
   Exit: (192) [system] get_char((0x55772f068e50), ' ')
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1975416)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1992350)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x55772f068e50), _1997920)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1999778)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] get_char((0x55772f068e50), _2015788)
   Exit: (192) [system] get_char((0x55772f068e50), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x55772f068e50), _1997920)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _2021358)
   Exit: (194) [system] peek_char((0x55772f068e50), 'A')
   Call: (194) [system] 'A'=(;)
   Fail: (194) [system] 'A'=(;)
   Call: (194) [system] 'A'=(/)
   Fail: (194) [system] 'A'=(/)
^  Call: (194) [user] is_like_space('A')
   Call: (195) [system] char_type('A', 'white')
   Fail: (195) [system] char_type('A', 'white')
   Call: (195) [system] char_type('A', end_of_line)
   Fail: (195) [system] char_type('A', end_of_line)
   Call: (195) [system] char_type('A', space)
   Fail: (195) [system] char_type('A', space)
   Call: (195) [system] char_type('A', cntrl)
   Fail: (195) [system] char_type('A', cntrl)
^  Fail: (194) [user] is_like_space('A')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _2037368)
   Exit: (193) [system] peek_char((0x55772f068e50), 'A')
   Call: (193) [system] 'A'=')'
   Fail: (193) [system] 'A'=')'
   Call: (193) [system] 'A'=end_of_file
   Fail: (193) [system] 'A'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _2042938)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _2044796)
   Exit: (195) [system] peek_char((0x55772f068e50), 'A')
   Call: (195) [system] 'A'=(;)
   Fail: (195) [system] 'A'=(;)
   Call: (195) [system] 'A'=(/)
   Fail: (195) [system] 'A'=(/)
^  Call: (195) [user] is_like_space('A')
   Call: (196) [system] char_type('A', 'white')
   Fail: (196) [system] char_type('A', 'white')
   Call: (196) [system] char_type('A', end_of_line)
   Fail: (196) [system] char_type('A', end_of_line)
   Call: (196) [system] char_type('A', space)
   Fail: (196) [system] char_type('A', space)
   Call: (196) [system] char_type('A', cntrl)
   Fail: (196) [system] char_type('A', cntrl)
^  Fail: (195) [user] is_like_space('A')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _2060806)
   Exit: (194) [system] get_char((0x55772f068e50), 'A')
   Call: (194) [system] 'A'='('
   Fail: (194) [system] 'A'='('
   Call: (194) [system] 'A'='['
   Fail: (194) [system] 'A'='['
   Call: (194) [system] 'A'='{'
   Fail: (194) [system] 'A'='{'
   Call: (194) [system] 'A'='"'
   Fail: (194) [system] 'A'='"'
   Call: (194) [system] 'A'=!
   Fail: (194) [system] 'A'=!
   Call: (194) [system] 'A'='\''
   Fail: (194) [system] 'A'='\''
   Call: (194) [system] 'A'='`'
   Fail: (194) [system] 'A'='`'
   Call: (194) [system] 'A'=end_of_file
   Fail: (194) [system] 'A'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x55772f068e50), 'A', _2042938)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _2078448)
   Call: (196) [system] peek_char((0x55772f068e50), _2079382)
   Exit: (196) [system] peek_char((0x55772f068e50), n)
^  Call: (196) [user] is_delimiter(n)
   Call: (197) [system] char_type(n, space)
   Fail: (197) [system] char_type(n, space)
   Call: (197) [system] arg(_2084102, v('(', ')', end_of_file), n)
   Fail: (197) [system] arg(_2085034, v('(', ')', end_of_file), n)
^  Fail: (196) [user] is_delimiter(n)
   Call: (196) [system] ')'==n
   Fail: (196) [system] ')'==n
   Call: (196) [system] get_char((0x55772f068e50), n)
   Exit: (196) [system] get_char((0x55772f068e50), n)
   Call: (196) [system] n=(\)
   Fail: (196) [system] n=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _2092384)
   Call: (197) [system] peek_char((0x55772f068e50), _2093318)
   Exit: (197) [system] peek_char((0x55772f068e50), d)
^  Call: (197) [user] is_delimiter(d)
   Call: (198) [system] char_type(d, space)
   Fail: (198) [system] char_type(d, space)
   Call: (198) [system] arg(_4788, v('(', ')', end_of_file), d)
   Fail: (198) [system] arg(_5720, v('(', ')', end_of_file), d)
^  Fail: (197) [user] is_delimiter(d)
   Call: (197) [system] ')'==d
   Fail: (197) [system] ')'==d
   Call: (197) [system] get_char((0x55772f068e50), d)
   Exit: (197) [system] get_char((0x55772f068e50), d)
   Call: (197) [system] d=(\)
   Fail: (197) [system] d=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _13070)
   Call: (198) [system] peek_char((0x55772f068e50), _14004)
   Exit: (198) [system] peek_char((0x55772f068e50), 'L')
^  Call: (198) [user] is_delimiter('L')
   Call: (199) [system] char_type('L', space)
   Fail: (199) [system] char_type('L', space)
   Call: (199) [system] arg(_18724, v('(', ')', end_of_file), 'L')
   Fail: (199) [system] arg(_19656, v('(', ')', end_of_file), 'L')
^  Fail: (198) [user] is_delimiter('L')
   Call: (198) [system] ')'=='L'
   Fail: (198) [system] ')'=='L'
   Call: (198) [system] get_char((0x55772f068e50), 'L')
   Exit: (198) [system] get_char((0x55772f068e50), 'L')
   Call: (198) [system] 'L'=(\)
   Fail: (198) [system] 'L'=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _27006)
   Call: (199) [system] peek_char((0x55772f068e50), _27940)
   Exit: (199) [system] peek_char((0x55772f068e50), i)
^  Call: (199) [user] is_delimiter(i)
   Call: (200) [system] char_type(i, space)
   Fail: (200) [system] char_type(i, space)
   Call: (200) [system] arg(_32660, v('(', ')', end_of_file), i)
   Fail: (200) [system] arg(_33592, v('(', ')', end_of_file), i)
^  Fail: (199) [user] is_delimiter(i)
   Call: (199) [system] ')'==i
   Fail: (199) [system] ')'==i
   Call: (199) [system] get_char((0x55772f068e50), i)
   Exit: (199) [system] get_char((0x55772f068e50), i)
   Call: (199) [system] i=(\)
   Fail: (199) [system] i=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _40942)
   Call: (200) [system] peek_char((0x55772f068e50), _41876)
   Exit: (200) [system] peek_char((0x55772f068e50), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Fail: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_46596, v('(', ')', end_of_file), n)
   Fail: (201) [system] arg(_47528, v('(', ')', end_of_file), n)
^  Fail: (200) [user] is_delimiter(n)
   Call: (200) [system] ')'==n
   Fail: (200) [system] ')'==n
   Call: (200) [system] get_char((0x55772f068e50), n)
   Exit: (200) [system] get_char((0x55772f068e50), n)
   Call: (200) [system] n=(\)
   Fail: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _54878)
   Call: (201) [system] peek_char((0x55772f068e50), _55812)
   Exit: (201) [system] peek_char((0x55772f068e50), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Fail: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_60532, v('(', ')', end_of_file), k)
   Fail: (202) [system] arg(_61464, v('(', ')', end_of_file), k)
^  Fail: (201) [user] is_delimiter(k)
   Call: (201) [system] ')'==k
   Fail: (201) [system] ')'==k
   Call: (201) [system] get_char((0x55772f068e50), k)
   Exit: (201) [system] get_char((0x55772f068e50), k)
   Call: (201) [system] k=(\)
   Fail: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _68814)
   Call: (202) [system] peek_char((0x55772f068e50), _69748)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _68814=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (201) [system] _54878=[k]
   Exit: (201) [system] [k]=[k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (200) [system] _40942=[n, k]
   Exit: (200) [system] [n, k]=[n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (199) [system] _27006=[i, n, k]
   Exit: (199) [system] [i, n, k]=[i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (198) [system] _13070=['L', i, n, k]
   Exit: (198) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (197) [system] _3422=[d, 'L', i, n, k]
   Exit: (197) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (196) [system] _3418=[n, d, 'L', i, n, k]
   Exit: (196) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _3414)
^  Call: (196) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _95796)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_96748, _96750), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _95796), _96730, fail)), '$restore_trace'(_96748, _96750))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_96748, _96750))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _95796), _96730, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_95796)
   Fail: (197) [system] atomic(_95796)
   Call: (197) [system] atom_chars(_95796, ['A', n, d, 'L', i, n, k])
   Exit: (197) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (196) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (196) [system] integer('AndLink')
   Fail: (196) [system] integer('AndLink')
   Call: (196) [system] _3414='AndLink'
   Exit: (196) [system] 'AndLink'='AndLink'
^  Exit: (195) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (194) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (193) [user] read_list(')', (0x55772f068e50), _110746)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _112604)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _122198)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _124902)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _141836)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _147406)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _149264)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _165274)
   Exit: (195) [system] get_char((0x55772f068e50), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x55772f068e50), $, _147406)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _182916)
   Call: (197) [system] peek_char((0x55772f068e50), _183850)
   Exit: (197) [system] peek_char((0x55772f068e50), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Fail: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_188570, v('(', ')', end_of_file), p)
   Fail: (198) [system] arg(_189502, v('(', ')', end_of_file), p)
^  Fail: (197) [user] is_delimiter(p)
   Call: (197) [system] ')'==p
   Fail: (197) [system] ')'==p
   Call: (197) [system] get_char((0x55772f068e50), p)
   Exit: (197) [system] get_char((0x55772f068e50), p)
   Call: (197) [system] p=(\)
   Fail: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _196852)
   Call: (198) [system] peek_char((0x55772f068e50), _197786)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _196852=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (197) [system] _182916=[p]
   Exit: (197) [system] [p]=[p]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [p])
^  Call: (196) [user] classify_and_convert_charseq([$, p], _147406)
^  Call: (197) [user] classify_and_convert_charseq_([$, p], _209864)
   Call: (198) [system] atom_chars(_210796, ['_', p])
   Exit: (198) [system] atom_chars('_p', ['_', p])
^  Exit: (197) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (197) [system] integer(_p)
   Fail: (197) [system] integer(_p)
   Call: (197) [system] _147406=_p
   Exit: (197) [system] _p=_p
^  Exit: (196) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (195) [user] read_symbolic(')', (0x55772f068e50), $, _p)
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), _p)
^  Call: (194) [user] read_list(')', (0x55772f068e50), _220088)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _221946)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _231540)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _234244)
   Exit: (197) [system] peek_char((0x55772f068e50), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _251178)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=')'
   Fail: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _256748)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _258606)
   Exit: (197) [system] peek_char((0x55772f068e50), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _274616)
   Exit: (196) [system] get_char((0x55772f068e50), $)
   Call: (196) [system] ($)='('
   Fail: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Fail: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Fail: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Fail: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Fail: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Fail: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Fail: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x55772f068e50), $, _256748)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _292258)
   Call: (198) [system] peek_char((0x55772f068e50), _293192)
   Exit: (198) [system] peek_char((0x55772f068e50), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Fail: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_297912, v('(', ')', end_of_file), q)
   Fail: (199) [system] arg(_298844, v('(', ')', end_of_file), q)
^  Fail: (198) [user] is_delimiter(q)
   Call: (198) [system] ')'==q
   Fail: (198) [system] ')'==q
   Call: (198) [system] get_char((0x55772f068e50), q)
   Exit: (198) [system] get_char((0x55772f068e50), q)
   Call: (198) [system] q=(\)
   Fail: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _306194)
   Call: (199) [system] peek_char((0x55772f068e50), _307128)
   Exit: (199) [system] peek_char((0x55772f068e50), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_311848, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _306194=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (198) [system] _292258=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [q])
^  Call: (197) [user] classify_and_convert_charseq([$, q], _256748)
^  Call: (198) [user] classify_and_convert_charseq_([$, q], _321078)
   Call: (199) [system] atom_chars(_322010, ['_', q])
   Exit: (199) [system] atom_chars('_q', ['_', q])
^  Exit: (198) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (198) [system] integer(_q)
   Fail: (198) [system] integer(_q)
   Call: (198) [system] _256748=_q
   Exit: (198) [system] _q=_q
^  Exit: (197) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x55772f068e50), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), _q)
^  Call: (195) [user] read_list(')', (0x55772f068e50), _331302)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _333160)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _349170)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x55772f068e50), _352960)
   Exit: (196) [system] get_char((0x55772f068e50), ')')
   Call: (196) [system] _331302=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [])
   Call: (195) [system] _220088=[_q]
   Exit: (195) [system] [_q]=[_q]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [_q])
   Call: (194) [system] _110746=[_p, _q]
   Exit: (194) [system] [_p, _q]=[_p, _q]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [_p, _q])
   Call: (193) [system] _3408=['AndLink', _p, _q]
   Exit: (193) [system] ['AndLink', _p, _q]=['AndLink', _p, _q]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), ['AndLink', _p, _q])
^  Exit: (191) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', _p, _q])
^  Call: (191) [user] read_list(')', (0x55772f068e50), _366842)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _368700)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _378294)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _380998)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _397932)
   Exit: (192) [system] peek_char((0x55772f068e50), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _403502)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _405360)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _421370)
   Exit: (193) [system] get_char((0x55772f068e50), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x55772f068e50), $, _403502)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _439012)
   Call: (195) [system] peek_char((0x55772f068e50), _439946)
   Exit: (195) [system] peek_char((0x55772f068e50), q)
^  Call: (195) [user] is_delimiter(q)
   Call: (196) [system] char_type(q, space)
   Fail: (196) [system] char_type(q, space)
   Call: (196) [system] arg(_444666, v('(', ')', end_of_file), q)
   Fail: (196) [system] arg(_445598, v('(', ')', end_of_file), q)
^  Fail: (195) [user] is_delimiter(q)
   Call: (195) [system] ')'==q
   Fail: (195) [system] ')'==q
   Call: (195) [system] get_char((0x55772f068e50), q)
   Exit: (195) [system] get_char((0x55772f068e50), q)
   Call: (195) [system] q=(\)
   Fail: (195) [system] q=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _452948)
   Call: (196) [system] peek_char((0x55772f068e50), _453882)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_458602, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _452948=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (195) [system] _439012=[q]
   Exit: (195) [system] [q]=[q]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [q])
^  Call: (194) [user] classify_and_convert_charseq([$, q], _403502)
^  Call: (195) [user] classify_and_convert_charseq_([$, q], _467832)
   Call: (196) [system] atom_chars(_468764, ['_', q])
   Exit: (196) [system] atom_chars('_q', ['_', q])
^  Exit: (195) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (195) [system] integer(_q)
   Fail: (195) [system] integer(_q)
   Call: (195) [system] _403502=_q
   Exit: (195) [system] _q=_q
^  Exit: (194) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (193) [user] read_symbolic(')', (0x55772f068e50), $, _q)
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), _q)
^  Call: (192) [user] read_list(')', (0x55772f068e50), _478056)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _479914)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _495924)
   Exit: (193) [system] peek_char((0x55772f068e50), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x55772f068e50), _499714)
   Exit: (193) [system] get_char((0x55772f068e50), ')')
   Call: (193) [system] _478056=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [])
   Call: (192) [system] _366842=[_q]
   Exit: (192) [system] [_q]=[_q]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [_q])
   Call: (191) [system] _3404=[['AndLink', _p, _q], _q]
   Exit: (191) [system] [['AndLink', _p, _q], _q]=[['AndLink', _p, _q], _q]
^  Exit: (190) [user] read_list(')', (0x55772f068e50), [['AndLink', _p, _q], _q])
   Call: (190) [system] _3396=[->, ['AndLink', _p, _q], _q]
   Exit: (190) [system] [->, ['AndLink', _p, _q], _q]=[->, ['AndLink', _p, _q], _q]
^  Exit: (189) [user] read_list(')', (0x55772f068e50), [->, ['AndLink', _p, _q], _q])
^  Exit: (188) [user] cont_sexpr(')', (0x55772f068e50), [->, ['AndLink', _p, _q], _q])
^  Call: (188) [user] read_list(')', (0x55772f068e50), _513596)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _515454)
   Exit: (190) [system] peek_char((0x55772f068e50), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _531464)
   Exit: (189) [system] peek_char((0x55772f068e50), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x55772f068e50), _535254)
   Exit: (189) [system] get_char((0x55772f068e50), ')')
   Call: (189) [system] _513596=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [])
   Call: (188) [system] _3392=[[->, ['AndLink', _p, _q], _q]]
   Exit: (188) [system] [[->, ['AndLink', _p, _q], _q]]=[[->, ['AndLink', _p, _q], _q]]
^  Exit: (187) [user] read_list(')', (0x55772f068e50), [[->, ['AndLink', _p, _q], _q]])
   Call: (187) [system] _3386=['ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]
   Exit: (187) [system] ['ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]=['ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]
^  Exit: (186) [user] read_list(')', (0x55772f068e50), ['ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]])
   Call: (186) [system] _3378=[:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]
   Exit: (186) [system] [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]=[:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]])
^  Exit: (184) [user] cont_sexpr(')', (0x55772f068e50), [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]])
^  Call: (184) [user] read_list(')', (0x55772f068e50), _549136)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _550994)
   Exit: (186) [system] peek_char((0x55772f068e50), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _567004)
   Exit: (185) [system] peek_char((0x55772f068e50), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x55772f068e50), _570794)
   Exit: (185) [system] get_char((0x55772f068e50), ')')
   Call: (185) [system] _549136=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [])
   Call: (184) [system] _3374=[[:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]
   Exit: (184) [system] [[:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]=[[:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]
^  Exit: (183) [user] read_list(')', (0x55772f068e50), [[:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]])
   Call: (183) [system] _3362=[[rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]
   Exit: (183) [system] [[rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]=[[rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]
^  Exit: (182) [user] read_list(')', (0x55772f068e50), [[rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]])
   Call: (182) [system] _3322=[=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]
   Exit: (182) [system] [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]=[=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]
^  Exit: (181) [user] read_list(')', (0x55772f068e50), [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]])
^  Exit: (180) [user] cont_sexpr(')', (0x55772f068e50), [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]])
^  Exit: (179) [user] read_sexpr((0x55772f068e50), [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]])
^  Call: (179) [user] assertz(metta_file_comment(116, 0, 4794, [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]], '$stream_position'(4794, 116, 0, 4794)))
^  Exit: (179) [user] assertz(metta_file_comment(116, 0, 4794, [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]], '$stream_position'(4794, 116, 0, 4794)))
^  Exit: (177) [system] once(user:(read_position((0x55772f068e50), 116, 0, 4794, '$stream_position'(4794, 116, 0, 4794)), read_sexpr((0x55772f068e50), [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]), assertz(metta_file_comment(116, 0, 4794, [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]], '$stream_position'(4794, 116, 0, 4794)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_589312, _589314, _589316, _589318, _589320))
^  Exit: (177) [user] retract(metta_file_comment(67, 0, 2390, '$COMMENT'(";; Trinary rule", 67, 0), '$stream_position'(2390, 67, 0, 2390)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Trinary rule", 67, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";; Trinary rule", 67, 0), _592148))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";; Trinary rule", 67, 0), _592148)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";; Trinary rule", 67, 0), _592148)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; Trinary rule", 67, 0), _594964))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; Trinary rule", 67, 0), _594964))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Trinary rule", 67, 0), _594964)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";; Trinary rule", 67, 0), _597764))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";; Trinary rule", 67, 0), _597764)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";; Trinary rule", 67, 0), _597764)
   Call: (187) [system] var('$COMMENT'(";; Trinary rule", 67, 0))
   Call: (187) [system] atom('$COMMENT'(";; Trinary rule", 67, 0))
   Call: (187) [system] '$COMMENT'(";; Trinary rule", 67, 0)==true
   Call: (187) [system] '$COMMENT'(";; Trinary rule", 67, 0)==false
   Call: (187) [system] '$COMMENT'(";; Trinary rule", 67, 0)==[_604284, _604290]
   Call: (187) [system] is_list('$COMMENT'(";; Trinary rule", 67, 0))
   Call: (187) [system] string('$COMMENT'(";; Trinary rule", 67, 0))
   Call: (187) [system] compound('$COMMENT'(";; Trinary rule", 67, 0))
   Exit: (187) [system] compound('$COMMENT'(";; Trinary rule", 67, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";; Trinary rule", 67, 0), _608918, _608920)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Trinary rule", 67, 0), '$COMMENT', [";; Trinary rule", 67, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";; Trinary rule", 67, 0], _612660)
   Call: (188) [apply] apply:maplist_([";; Trinary rule", 67, 0], _612660, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";; Trinary rule", _614540)
   Call: (190) [system] var(";; Trinary rule")
   Call: (190) [system] atom(";; Trinary rule")
   Call: (190) [system] ";; Trinary rule"==true
   Call: (190) [system] ";; Trinary rule"==false
   Call: (190) [system] ";; Trinary rule"==[_619182, _619188]
   Call: (190) [system] is_list(";; Trinary rule")
   Call: (190) [system] string(";; Trinary rule")
   Exit: (190) [system] string(";; Trinary rule")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";; Trinary rule")
^  Call: (190) [user] symbol(";; Trinary rule")
   Call: (191) [system] atom(";; Trinary rule")
   Fail: (191) [system] atom(";; Trinary rule")
^  Fail: (190) [user] symbol(";; Trinary rule")
   Call: (190) [system] ";; Trinary rule"=_614540
   Exit: (190) [system] ";; Trinary rule"=";; Trinary rule"
^  Exit: (189) [user] mfix_vars1(";; Trinary rule", ";; Trinary rule")
   Call: (189) [apply] apply:maplist_([67, 0], _614542, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(67, _633062)
   Call: (191) [system] var(67)
   Call: (191) [system] atom(67)
   Call: (191) [system] 67==true
   Call: (191) [system] 67==false
   Call: (191) [system] 67==[_637704, _637710]
   Call: (191) [system] is_list(67)
   Call: (191) [system] string(67)
   Call: (191) [system] compound(67)
^  Call: (191) [user] symbol(67)
   Call: (192) [system] atom(67)
   Fail: (192) [system] atom(67)
^  Fail: (191) [user] symbol(67)
   Call: (191) [system] 67=_633062
   Exit: (191) [system] 67=67
^  Exit: (190) [user] mfix_vars1(67, 67)
   Call: (190) [apply] apply:maplist_([0], _633064, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _648828)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_653470, _653476]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_648828
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _648830, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([67, 0], [67, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";; Trinary rule", 67, 0], [";; Trinary rule", 67, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";; Trinary rule", 67, 0], [";; Trinary rule", 67, 0])
   Call: (187) [system] compound_name_arguments(_597764, '$COMMENT', [";; Trinary rule", 67, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Trinary rule", 67, 0), '$COMMENT', [";; Trinary rule", 67, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";; Trinary rule", 67, 0), '$COMMENT'(";; Trinary rule", 67, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";; Trinary rule", 67, 0), '$COMMENT'(";; Trinary rule", 67, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";; Trinary rule", 67, 0), '$COMMENT'(";; Trinary rule", 67, 0)))
   Call: (184) [system] '$COMMENT'(";; Trinary rule", 67, 0)\=@='$COMMENT'(";; Trinary rule", 67, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Trinary rule", 67, 0), '$COMMENT'(";; Trinary rule", 67, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; Trinary rule", 67, 0), '$COMMENT'(";; Trinary rule", 67, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; Trinary rule", 67, 0), '$COMMENT'(";; Trinary rule", 67, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; Trinary rule", 67, 0), _677646))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";; Trinary rule", 67, 0), _677646))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";; Trinary rule", 67, 0), _677646)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";; Trinary rule", 67, 0), _680446))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";; Trinary rule", 67, 0), _680446)
^  Call: (186) [user] cons_to_c('$COMMENT'(";; Trinary rule", 67, 0), _680446)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";; Trinary rule", 67, 0), '$COMMENT'(";; Trinary rule", 67, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";; Trinary rule", 67, 0), '$COMMENT'(";; Trinary rule", 67, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";; Trinary rule", 67, 0), '$COMMENT'(";; Trinary rule", 67, 0)))
   Call: (184) [system] '$COMMENT'(";; Trinary rule", 67, 0)\=@='$COMMENT'(";; Trinary rule", 67, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";; Trinary rule", 67, 0), '$COMMENT'(";; Trinary rule", 67, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";; Trinary rule", 67, 0), '$COMMENT'(";; Trinary rule", 67, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; Trinary rule", 67, 0), '$COMMENT'(";; Trinary rule", 67, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; Trinary rule", 67, 0), _592148))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";; Trinary rule", 67, 0), _592148))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";; Trinary rule", 67, 0), _592148)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";; Trinary rule", 67, 0), _694404))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";; Trinary rule", 67, 0), _694404)
^  Call: (186) [user] cons_to_l('$COMMENT'(";; Trinary rule", 67, 0), _694404)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";; Trinary rule", 67, 0), '$COMMENT'(";; Trinary rule", 67, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";; Trinary rule", 67, 0), '$COMMENT'(";; Trinary rule", 67, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";; Trinary rule", 67, 0), '$COMMENT'(";; Trinary rule", 67, 0)))
   Call: (184) [system] '$COMMENT'(";; Trinary rule", 67, 0)\=@='$COMMENT'(";; Trinary rule", 67, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";; Trinary rule", 67, 0), '$COMMENT'(";; Trinary rule", 67, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";; Trinary rule", 67, 0), '$COMMENT'(";; Trinary rule", 67, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; Trinary rule", 67, 0), '$COMMENT'(";; Trinary rule", 67, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";; Trinary rule", 67, 0), '$COMMENT'(";; Trinary rule", 67, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";; Trinary rule", 67, 0), '$COMMENT'(";; Trinary rule", 67, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; Trinary rule", 67, 0), '$COMMENT'(";; Trinary rule", 67, 0)))
   Call: (178) [system] '$COMMENT'(";; Trinary rule", 67, 0)\=@='$COMMENT'(";; Trinary rule", 67, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Trinary rule", 67, 0), '$COMMENT'(";; Trinary rule", 67, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; Trinary rule", 67, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; Trinary rule", 67, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; Trinary rule", 67, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";; Trinary rule", 67, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";; Trinary rule", 67, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; Trinary rule", 67, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; Trinary rule", 67, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; Trinary rule", 67, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";; Trinary rule", 67, 0))
^  Exit: (171) [user] read_sform((0x55772f068e50), '$COMMENT'(";; Trinary rule", 67, 0))
^  Exit: (170) [system] once(user:read_sform((0x55772f068e50), '$COMMENT'(";; Trinary rule", 67, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x55772f068e50), '$COMMENT'(";; Trinary rule", 67, 0)))
   Call: (169) [system] '$COMMENT'(";; Trinary rule", 67, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; Trinary rule", 67, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Trinary rule", 67, 0)), 115]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; Trinary rule", 67, 0), me_synthesize_1727481849_9551582, 115)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Trinary rule", 67, 0)), 115]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727481861.442444)
   Call: (173) [system] arg(1, t(1727481858.222791), _3148)
   Exit: (173) [system] arg(1, t(1727481858.222791), 1727481858.222791)
   Call: (173) [system] _3158 is 1727481861.442444-1727481858.222791
   Exit: (173) [system] 3.2196531295776367 is 1727481861.442444-1727481858.222791
   Call: (173) [system] 3.2196531295776367>4
   Fail: (173) [system] 3.2196531295776367>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Trinary rule", 67, 0)), 115]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 23)
   Call: (175) [system] atom(23+1)
   Call: (175) [system] set_flag(translated_forms, 24)
   Exit: (175) [system] set_flag(translated_forms, 24)
   Exit: (174) [$syspreds] update_flag(translated_forms, 23, 23+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 23, 23+1))
   Exit: (171) [$syspreds] flag(translated_forms, 23, 23+1)
^  Call: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; Trinary rule", 67, 0), me_synthesize_1727481849_9551582, 115)
^  Call: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";; Trinary rule"])
^  Exit: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";; Trinary rule"])
^  Exit: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; Trinary rule", 67, 0), me_synthesize_1727481849_9551582, 115)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Trinary rule", 67, 0)), 115]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 23, 23+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; Trinary rule", 67, 0), me_synthesize_1727481849_9551582, 115)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x55772f068e50))
   Fail: (169) [system] at_end_of_stream((0x55772f068e50))
^  Call: (169) [user] must_det_ll(line_count((0x55772f068e50), _3074))
^  Call: (170) [user] once(user:line_count((0x55772f068e50), _3074))
   Call: (171) [system] line_count((0x55772f068e50), _3074)
   Exit: (171) [system] line_count((0x55772f068e50), 116)
^  Exit: (170) [system] once(user:line_count((0x55772f068e50), 116))
^  Exit: (169) [user] must_det_ll(user:line_count((0x55772f068e50), 116))
^  Call: (169) [user] must_det_ll(read_sform((0x55772f068e50), _3084))
^  Call: (170) [user] once(user:read_sform((0x55772f068e50), _3084))
^  Call: (171) [user] read_sform((0x55772f068e50), _3084)
   Call: (172) [system] string((0x55772f068e50))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (173) [system] string((0x55772f068e50))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (174) [system] at_end_of_stream((0x55772f068e50))
   Call: (174) [system] peek_char((0x55772f068e50), _769188)
   Exit: (174) [system] peek_char((0x55772f068e50), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x55772f068e50), '\n')
   Exit: (174) [system] get_char((0x55772f068e50), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), _3084)
   Call: (175) [system] at_end_of_stream((0x55772f068e50))
   Call: (175) [system] peek_char((0x55772f068e50), _776610)
   Exit: (175) [system] peek_char((0x55772f068e50), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (176) [system] string((0x55772f068e50))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (177) [system] at_end_of_stream((0x55772f068e50))
   Call: (177) [system] peek_char((0x55772f068e50), _784948)
   Exit: (177) [system] peek_char((0x55772f068e50), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _787734=(0x55772f068e50)
   Exit: (177) [system] (0x55772f068e50)=(0x55772f068e50)
^  Call: (177) [user] once((read_position((0x55772f068e50), _789602, _789604, _789606, _789608), read_sexpr((0x55772f068e50), _789620), assertz(metta_file_comment(_789602, _789604, _789606, _789620, _789608))))
^  Call: (179) [user] read_position((0x55772f068e50), _789602, _789604, _789606, _789608)
   Call: (180) [system] stream_property((0x55772f068e50), position(_789608))
   Call: (181) [system] nonvar((0x55772f068e50))
   Exit: (181) [system] nonvar((0x55772f068e50))
   Call: (181) [system] nonvar(position(_789608))
   Exit: (181) [system] nonvar(position(_789608))
   Exit: (180) [system] stream_property((0x55772f068e50), position('$stream_position'(4859, 117, 0, 4859)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4859, 117, 0, 4859), _789602)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _799860)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4859, 117, 0, 4859), _789602)
   Exit: (181) [system] arg(2, '$stream_position'(4859, 117, 0, 4859), 117)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4859, 117, 0, 4859), 117)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4859, 117, 0, 4859), _789604)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _807294)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4859, 117, 0, 4859), _789604)
   Exit: (181) [system] arg(3, '$stream_position'(4859, 117, 0, 4859), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4859, 117, 0, 4859), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4859, 117, 0, 4859), _789606)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _814728)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4859, 117, 0, 4859), _789606)
   Exit: (181) [system] arg(1, '$stream_position'(4859, 117, 0, 4859), 4859)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4859, 117, 0, 4859), 4859)
^  Exit: (179) [user] read_position((0x55772f068e50), 117, 0, 4859, '$stream_position'(4859, 117, 0, 4859))
^  Call: (179) [user] read_sexpr((0x55772f068e50), _789620)
   Call: (180) [system] string((0x55772f068e50))
   Fail: (180) [system] string((0x55772f068e50))
^  Call: (180) [user] cont_sexpr(')', (0x55772f068e50), _789620)
^  Call: (181) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _824954)
   Exit: (182) [system] peek_char((0x55772f068e50), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x55772f068e50))
   Call: (181) [system] get_char((0x55772f068e50), _840964)
   Exit: (181) [system] get_char((0x55772f068e50), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x55772f068e50), _789620)
^  Call: (182) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _846534)
   Exit: (183) [system] peek_char((0x55772f068e50), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] peek_char((0x55772f068e50), _862544)
   Exit: (182) [system] peek_char((0x55772f068e50), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x55772f068e50), _868114)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _869972)
   Exit: (184) [system] peek_char((0x55772f068e50), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] get_char((0x55772f068e50), _885982)
   Exit: (183) [system] get_char((0x55772f068e50), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x55772f068e50), =, _868114)
^  Call: (184) [user] read_symbolic_cont(')', (0x55772f068e50), _903624)
   Call: (185) [system] peek_char((0x55772f068e50), _904558)
   Exit: (185) [system] peek_char((0x55772f068e50), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _903624=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _868114)
^  Call: (185) [user] classify_and_convert_charseq_([=], _913842)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_914794, _914796), once(user:catch(read_from_chars([=], _913842), _914776, fail)), '$restore_trace'(_914794, _914796))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_914794, _914796))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _914776, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _868114=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x55772f068e50), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x55772f068e50), =)
^  Call: (182) [user] read_list(')', (0x55772f068e50), _926922)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _928780)
   Exit: (184) [system] peek_char((0x55772f068e50), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x55772f068e50), _938374)
   Exit: (184) [system] get_char((0x55772f068e50), ' ')
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _941078)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _958012)
   Exit: (183) [system] peek_char((0x55772f068e50), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x55772f068e50), _963582)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _965440)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] get_char((0x55772f068e50), _981450)
   Exit: (184) [system] get_char((0x55772f068e50), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x55772f068e50), _963582)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _987020)
   Exit: (186) [system] peek_char((0x55772f068e50), r)
   Call: (186) [system] r=(;)
   Fail: (186) [system] r=(;)
   Call: (186) [system] r=(/)
   Fail: (186) [system] r=(/)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Fail: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Fail: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Fail: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
   Fail: (187) [system] char_type(r, cntrl)
^  Fail: (186) [user] is_like_space(r)
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1003030)
   Exit: (185) [system] peek_char((0x55772f068e50), r)
   Call: (185) [system] r=')'
   Fail: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
   Fail: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x55772f068e50), _1008600)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1010458)
   Exit: (187) [system] peek_char((0x55772f068e50), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
   Call: (187) [system] r=(/)
   Fail: (187) [system] r=(/)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] get_char((0x55772f068e50), _1026468)
   Exit: (186) [system] get_char((0x55772f068e50), r)
   Call: (186) [system] r='('
   Fail: (186) [system] r='('
   Call: (186) [system] r='['
   Fail: (186) [system] r='['
   Call: (186) [system] r='{'
   Fail: (186) [system] r='{'
   Call: (186) [system] r='"'
   Fail: (186) [system] r='"'
   Call: (186) [system] r=!
   Fail: (186) [system] r=!
   Call: (186) [system] r='\''
   Fail: (186) [system] r='\''
   Call: (186) [system] r='`'
   Fail: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
   Fail: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x55772f068e50), r, _1008600)
^  Call: (187) [user] read_symbolic_cont(')', (0x55772f068e50), _1044110)
   Call: (188) [system] peek_char((0x55772f068e50), _1045044)
   Exit: (188) [system] peek_char((0x55772f068e50), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_1049764, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_1050696, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x55772f068e50), b)
   Exit: (188) [system] get_char((0x55772f068e50), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _1058046)
   Call: (189) [system] peek_char((0x55772f068e50), _1058980)
   Exit: (189) [system] peek_char((0x55772f068e50), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_1063700, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _1058046=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (188) [system] _1044110=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
^  Call: (187) [user] classify_and_convert_charseq([r, b], _1008600)
^  Call: (188) [user] classify_and_convert_charseq_([r, b], _1072930)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1073882, _1073884), once(user:catch(read_from_chars([r, b], _1072930), _1073864, fail)), '$restore_trace'(_1073882, _1073884))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1073882, _1073884))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _1073864, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(rb)
   Exit: (189) [system] atomic(rb)
^  Exit: (188) [user] classify_and_convert_charseq_([r, b], rb)
   Call: (188) [system] integer(rb)
   Fail: (188) [system] integer(rb)
   Call: (188) [system] _1008600=rb
   Exit: (188) [system] rb=rb
^  Exit: (187) [user] classify_and_convert_charseq([r, b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x55772f068e50), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x55772f068e50), rb)
^  Call: (185) [user] read_list(')', (0x55772f068e50), _1086010)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1087868)
   Exit: (187) [system] peek_char((0x55772f068e50), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1103878)
   Exit: (186) [system] peek_char((0x55772f068e50), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x55772f068e50), _1107668)
   Exit: (186) [system] get_char((0x55772f068e50), ')')
   Call: (186) [system] _1086010=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [])
   Call: (185) [system] _963582=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x55772f068e50), [rb])
^  Call: (183) [user] read_list(')', (0x55772f068e50), _1115962)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _1117820)
   Exit: (185) [system] peek_char((0x55772f068e50), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x55772f068e50), _1127414)
   Exit: (185) [system] get_char((0x55772f068e50), ' ')
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1130118)
   Exit: (186) [system] peek_char((0x55772f068e50), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _1147052)
   Exit: (184) [system] peek_char((0x55772f068e50), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x55772f068e50), _1152622)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1154480)
   Exit: (186) [system] peek_char((0x55772f068e50), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] get_char((0x55772f068e50), _1170490)
   Exit: (185) [system] get_char((0x55772f068e50), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x55772f068e50), _1152622)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1176060)
   Exit: (187) [system] peek_char((0x55772f068e50), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
   Call: (187) [system] (:)=(/)
   Fail: (187) [system] (:)=(/)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1192070)
   Exit: (186) [system] peek_char((0x55772f068e50), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x55772f068e50), _1197640)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1199498)
   Exit: (188) [system] peek_char((0x55772f068e50), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
   Call: (188) [system] (:)=(/)
   Fail: (188) [system] (:)=(/)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] get_char((0x55772f068e50), _1215508)
   Exit: (187) [system] get_char((0x55772f068e50), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x55772f068e50), :, _1197640)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _1233150)
   Call: (189) [system] peek_char((0x55772f068e50), _1234084)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _1233150=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (188) [user] classify_and_convert_charseq([:], _1197640)
^  Call: (189) [user] classify_and_convert_charseq_([:], _1243368)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1244320, _1244322), once(user:catch(read_from_chars([:], _1243368), _1244302, fail)), '$restore_trace'(_1244320, _1244322))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1244320, _1244322))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1244302, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(:)
   Exit: (190) [system] atomic(:)
^  Exit: (189) [user] classify_and_convert_charseq_([:], :)
   Call: (189) [system] integer(:)
   Fail: (189) [system] integer(:)
   Call: (189) [system] _1197640=(:)
   Exit: (189) [system] (:)=(:)
^  Exit: (188) [user] classify_and_convert_charseq([:], :)
^  Exit: (187) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (186) [user] read_list(')', (0x55772f068e50), _1256448)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1258306)
   Exit: (188) [system] peek_char((0x55772f068e50), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x55772f068e50), _1267900)
   Exit: (188) [system] get_char((0x55772f068e50), ' ')
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1270604)
   Exit: (189) [system] peek_char((0x55772f068e50), 'D')
   Call: (189) [system] 'D'=(;)
   Fail: (189) [system] 'D'=(;)
   Call: (189) [system] 'D'=(/)
   Fail: (189) [system] 'D'=(/)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Fail: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Fail: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Fail: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
   Fail: (190) [system] char_type('D', cntrl)
^  Fail: (189) [user] is_like_space('D')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1287538)
   Exit: (187) [system] peek_char((0x55772f068e50), 'D')
   Call: (187) [system] 'D'=')'
   Fail: (187) [system] 'D'=')'
   Call: (187) [system] 'D'=end_of_file
   Fail: (187) [system] 'D'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x55772f068e50), _1293108)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1294966)
   Exit: (189) [system] peek_char((0x55772f068e50), 'D')
   Call: (189) [system] 'D'=(;)
   Fail: (189) [system] 'D'=(;)
   Call: (189) [system] 'D'=(/)
   Fail: (189) [system] 'D'=(/)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Fail: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Fail: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Fail: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
   Fail: (190) [system] char_type('D', cntrl)
^  Fail: (189) [user] is_like_space('D')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] get_char((0x55772f068e50), _1310976)
   Exit: (188) [system] get_char((0x55772f068e50), 'D')
   Call: (188) [system] 'D'='('
   Fail: (188) [system] 'D'='('
   Call: (188) [system] 'D'='['
   Fail: (188) [system] 'D'='['
   Call: (188) [system] 'D'='{'
   Fail: (188) [system] 'D'='{'
   Call: (188) [system] 'D'='"'
   Fail: (188) [system] 'D'='"'
   Call: (188) [system] 'D'=!
   Fail: (188) [system] 'D'=!
   Call: (188) [system] 'D'='\''
   Fail: (188) [system] 'D'='\''
   Call: (188) [system] 'D'='`'
   Fail: (188) [system] 'D'='`'
   Call: (188) [system] 'D'=end_of_file
   Fail: (188) [system] 'D'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x55772f068e50), 'D', _1293108)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _1328618)
   Call: (190) [system] peek_char((0x55772f068e50), _1329552)
   Exit: (190) [system] peek_char((0x55772f068e50), i)
^  Call: (190) [user] is_delimiter(i)
   Call: (191) [system] char_type(i, space)
   Fail: (191) [system] char_type(i, space)
   Call: (191) [system] arg(_1334272, v('(', ')', end_of_file), i)
   Fail: (191) [system] arg(_1335204, v('(', ')', end_of_file), i)
^  Fail: (190) [user] is_delimiter(i)
   Call: (190) [system] ')'==i
   Fail: (190) [system] ')'==i
   Call: (190) [system] get_char((0x55772f068e50), i)
   Exit: (190) [system] get_char((0x55772f068e50), i)
   Call: (190) [system] i=(\)
   Fail: (190) [system] i=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _1342554)
   Call: (191) [system] peek_char((0x55772f068e50), _1343488)
   Exit: (191) [system] peek_char((0x55772f068e50), s)
^  Call: (191) [user] is_delimiter(s)
   Call: (192) [system] char_type(s, space)
   Fail: (192) [system] char_type(s, space)
   Call: (192) [system] arg(_1348208, v('(', ')', end_of_file), s)
   Fail: (192) [system] arg(_1349140, v('(', ')', end_of_file), s)
^  Fail: (191) [user] is_delimiter(s)
   Call: (191) [system] ')'==s
   Fail: (191) [system] ')'==s
   Call: (191) [system] get_char((0x55772f068e50), s)
   Exit: (191) [system] get_char((0x55772f068e50), s)
   Call: (191) [system] s=(\)
   Fail: (191) [system] s=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _1356490)
   Call: (192) [system] peek_char((0x55772f068e50), _1357424)
   Exit: (192) [system] peek_char((0x55772f068e50), j)
^  Call: (192) [user] is_delimiter(j)
   Call: (193) [system] char_type(j, space)
   Fail: (193) [system] char_type(j, space)
   Call: (193) [system] arg(_1362144, v('(', ')', end_of_file), j)
   Fail: (193) [system] arg(_1363076, v('(', ')', end_of_file), j)
^  Fail: (192) [user] is_delimiter(j)
   Call: (192) [system] ')'==j
   Fail: (192) [system] ')'==j
   Call: (192) [system] get_char((0x55772f068e50), j)
   Exit: (192) [system] get_char((0x55772f068e50), j)
   Call: (192) [system] j=(\)
   Fail: (192) [system] j=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _1370426)
   Call: (193) [system] peek_char((0x55772f068e50), _1371360)
   Exit: (193) [system] peek_char((0x55772f068e50), u)
^  Call: (193) [user] is_delimiter(u)
   Call: (194) [system] char_type(u, space)
   Fail: (194) [system] char_type(u, space)
   Call: (194) [system] arg(_1376080, v('(', ')', end_of_file), u)
   Fail: (194) [system] arg(_1377012, v('(', ')', end_of_file), u)
^  Fail: (193) [user] is_delimiter(u)
   Call: (193) [system] ')'==u
   Fail: (193) [system] ')'==u
   Call: (193) [system] get_char((0x55772f068e50), u)
   Exit: (193) [system] get_char((0x55772f068e50), u)
   Call: (193) [system] u=(\)
   Fail: (193) [system] u=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _1384362)
   Call: (194) [system] peek_char((0x55772f068e50), _1385296)
   Exit: (194) [system] peek_char((0x55772f068e50), n)
^  Call: (194) [user] is_delimiter(n)
   Call: (195) [system] char_type(n, space)
   Fail: (195) [system] char_type(n, space)
   Call: (195) [system] arg(_1390016, v('(', ')', end_of_file), n)
   Fail: (195) [system] arg(_1390948, v('(', ')', end_of_file), n)
^  Fail: (194) [user] is_delimiter(n)
   Call: (194) [system] ')'==n
   Fail: (194) [system] ')'==n
   Call: (194) [system] get_char((0x55772f068e50), n)
   Exit: (194) [system] get_char((0x55772f068e50), n)
   Call: (194) [system] n=(\)
   Fail: (194) [system] n=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _1398298)
   Call: (195) [system] peek_char((0x55772f068e50), _1399232)
   Exit: (195) [system] peek_char((0x55772f068e50), c)
^  Call: (195) [user] is_delimiter(c)
   Call: (196) [system] char_type(c, space)
   Fail: (196) [system] char_type(c, space)
   Call: (196) [system] arg(_1403952, v('(', ')', end_of_file), c)
   Fail: (196) [system] arg(_1404884, v('(', ')', end_of_file), c)
^  Fail: (195) [user] is_delimiter(c)
   Call: (195) [system] ')'==c
   Fail: (195) [system] ')'==c
   Call: (195) [system] get_char((0x55772f068e50), c)
   Exit: (195) [system] get_char((0x55772f068e50), c)
   Call: (195) [system] c=(\)
   Fail: (195) [system] c=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _1412234)
   Call: (196) [system] peek_char((0x55772f068e50), _1413168)
   Exit: (196) [system] peek_char((0x55772f068e50), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_1417888, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_1418820, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x55772f068e50), t)
   Exit: (196) [system] get_char((0x55772f068e50), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1426170)
   Call: (197) [system] peek_char((0x55772f068e50), _1427104)
   Exit: (197) [system] peek_char((0x55772f068e50), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Fail: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_1431824, v('(', ')', end_of_file), i)
   Fail: (198) [system] arg(_1432756, v('(', ')', end_of_file), i)
^  Fail: (197) [user] is_delimiter(i)
   Call: (197) [system] ')'==i
   Fail: (197) [system] ')'==i
   Call: (197) [system] get_char((0x55772f068e50), i)
   Exit: (197) [system] get_char((0x55772f068e50), i)
   Call: (197) [system] i=(\)
   Fail: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1440106)
   Call: (198) [system] peek_char((0x55772f068e50), _1441040)
   Exit: (198) [system] peek_char((0x55772f068e50), o)
^  Call: (198) [user] is_delimiter(o)
   Call: (199) [system] char_type(o, space)
   Fail: (199) [system] char_type(o, space)
   Call: (199) [system] arg(_1445760, v('(', ')', end_of_file), o)
   Fail: (199) [system] arg(_1446692, v('(', ')', end_of_file), o)
^  Fail: (198) [user] is_delimiter(o)
   Call: (198) [system] ')'==o
   Fail: (198) [system] ')'==o
   Call: (198) [system] get_char((0x55772f068e50), o)
   Exit: (198) [system] get_char((0x55772f068e50), o)
   Call: (198) [system] o=(\)
   Fail: (198) [system] o=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1454042)
   Call: (199) [system] peek_char((0x55772f068e50), _1454976)
   Exit: (199) [system] peek_char((0x55772f068e50), n)
^  Call: (199) [user] is_delimiter(n)
   Call: (200) [system] char_type(n, space)
   Fail: (200) [system] char_type(n, space)
   Call: (200) [system] arg(_1459696, v('(', ')', end_of_file), n)
   Fail: (200) [system] arg(_1460628, v('(', ')', end_of_file), n)
^  Fail: (199) [user] is_delimiter(n)
   Call: (199) [system] ')'==n
   Fail: (199) [system] ')'==n
   Call: (199) [system] get_char((0x55772f068e50), n)
   Exit: (199) [system] get_char((0x55772f068e50), n)
   Call: (199) [system] n=(\)
   Fail: (199) [system] n=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1467978)
   Call: (200) [system] peek_char((0x55772f068e50), _1468912)
   Exit: (200) [system] peek_char((0x55772f068e50), 'I')
^  Call: (200) [user] is_delimiter('I')
   Call: (201) [system] char_type('I', space)
   Fail: (201) [system] char_type('I', space)
   Call: (201) [system] arg(_1473632, v('(', ')', end_of_file), 'I')
   Fail: (201) [system] arg(_1474564, v('(', ')', end_of_file), 'I')
^  Fail: (200) [user] is_delimiter('I')
   Call: (200) [system] ')'=='I'
   Fail: (200) [system] ')'=='I'
   Call: (200) [system] get_char((0x55772f068e50), 'I')
   Exit: (200) [system] get_char((0x55772f068e50), 'I')
   Call: (200) [system] 'I'=(\)
   Fail: (200) [system] 'I'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1481914)
   Call: (201) [system] peek_char((0x55772f068e50), _1482848)
   Exit: (201) [system] peek_char((0x55772f068e50), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_1487568, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_1488500, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x55772f068e50), n)
   Exit: (201) [system] get_char((0x55772f068e50), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1495850)
   Call: (202) [system] peek_char((0x55772f068e50), _1496784)
   Exit: (202) [system] peek_char((0x55772f068e50), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Fail: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_1501504, v('(', ')', end_of_file), t)
   Fail: (203) [system] arg(_1502436, v('(', ')', end_of_file), t)
^  Fail: (202) [user] is_delimiter(t)
   Call: (202) [system] ')'==t
   Fail: (202) [system] ')'==t
   Call: (202) [system] get_char((0x55772f068e50), t)
   Exit: (202) [system] get_char((0x55772f068e50), t)
   Call: (202) [system] t=(\)
   Fail: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1509786)
   Call: (203) [system] peek_char((0x55772f068e50), _1510720)
   Exit: (203) [system] peek_char((0x55772f068e50), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_1515440, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_1516372, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x55772f068e50), r)
   Exit: (203) [system] get_char((0x55772f068e50), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1523722)
   Call: (204) [system] peek_char((0x55772f068e50), _1524656)
   Exit: (204) [system] peek_char((0x55772f068e50), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1529376, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_1530308, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x55772f068e50), o)
   Exit: (204) [system] get_char((0x55772f068e50), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1537658)
   Call: (205) [system] peek_char((0x55772f068e50), _1538592)
   Exit: (205) [system] peek_char((0x55772f068e50), d)
^  Call: (205) [user] is_delimiter(d)
   Call: (206) [system] char_type(d, space)
   Fail: (206) [system] char_type(d, space)
   Call: (206) [system] arg(_1543312, v('(', ')', end_of_file), d)
   Fail: (206) [system] arg(_1544244, v('(', ')', end_of_file), d)
^  Fail: (205) [user] is_delimiter(d)
   Call: (205) [system] ')'==d
   Fail: (205) [system] ')'==d
   Call: (205) [system] get_char((0x55772f068e50), d)
   Exit: (205) [system] get_char((0x55772f068e50), d)
   Call: (205) [system] d=(\)
   Fail: (205) [system] d=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1551594)
   Call: (206) [system] peek_char((0x55772f068e50), _1552528)
   Exit: (206) [system] peek_char((0x55772f068e50), u)
^  Call: (206) [user] is_delimiter(u)
   Call: (207) [system] char_type(u, space)
   Fail: (207) [system] char_type(u, space)
   Call: (207) [system] arg(_1557248, v('(', ')', end_of_file), u)
   Fail: (207) [system] arg(_1558180, v('(', ')', end_of_file), u)
^  Fail: (206) [user] is_delimiter(u)
   Call: (206) [system] ')'==u
   Fail: (206) [system] ')'==u
   Call: (206) [system] get_char((0x55772f068e50), u)
   Exit: (206) [system] get_char((0x55772f068e50), u)
   Call: (206) [system] u=(\)
   Fail: (206) [system] u=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1565530)
   Call: (207) [system] peek_char((0x55772f068e50), _1566464)
   Exit: (207) [system] peek_char((0x55772f068e50), c)
^  Call: (207) [user] is_delimiter(c)
   Call: (208) [system] char_type(c, space)
   Fail: (208) [system] char_type(c, space)
   Call: (208) [system] arg(_1571184, v('(', ')', end_of_file), c)
   Fail: (208) [system] arg(_1572116, v('(', ')', end_of_file), c)
^  Fail: (207) [user] is_delimiter(c)
   Call: (207) [system] ')'==c
   Fail: (207) [system] ')'==c
   Call: (207) [system] get_char((0x55772f068e50), c)
   Exit: (207) [system] get_char((0x55772f068e50), c)
   Call: (207) [system] c=(\)
   Fail: (207) [system] c=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1579466)
   Call: (208) [system] peek_char((0x55772f068e50), _1580400)
   Exit: (208) [system] peek_char((0x55772f068e50), t)
^  Call: (208) [user] is_delimiter(t)
   Call: (209) [system] char_type(t, space)
   Fail: (209) [system] char_type(t, space)
   Call: (209) [system] arg(_1585120, v('(', ')', end_of_file), t)
   Fail: (209) [system] arg(_1586052, v('(', ')', end_of_file), t)
^  Fail: (208) [user] is_delimiter(t)
   Call: (208) [system] ')'==t
   Fail: (208) [system] ')'==t
   Call: (208) [system] get_char((0x55772f068e50), t)
   Exit: (208) [system] get_char((0x55772f068e50), t)
   Call: (208) [system] t=(\)
   Fail: (208) [system] t=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1593402)
   Call: (209) [system] peek_char((0x55772f068e50), _1594336)
   Exit: (209) [system] peek_char((0x55772f068e50), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1599056, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_1599988, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x55772f068e50), i)
   Exit: (209) [system] get_char((0x55772f068e50), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1607338)
   Call: (210) [system] peek_char((0x55772f068e50), _1608272)
   Exit: (210) [system] peek_char((0x55772f068e50), o)
^  Call: (210) [user] is_delimiter(o)
   Call: (211) [system] char_type(o, space)
   Fail: (211) [system] char_type(o, space)
   Call: (211) [system] arg(_1612992, v('(', ')', end_of_file), o)
   Fail: (211) [system] arg(_1613924, v('(', ')', end_of_file), o)
^  Fail: (210) [user] is_delimiter(o)
   Call: (210) [system] ')'==o
   Fail: (210) [system] ')'==o
   Call: (210) [system] get_char((0x55772f068e50), o)
   Exit: (210) [system] get_char((0x55772f068e50), o)
   Call: (210) [system] o=(\)
   Fail: (210) [system] o=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1621274)
   Call: (211) [system] peek_char((0x55772f068e50), _1622208)
   Exit: (211) [system] peek_char((0x55772f068e50), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_1626928, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_1627860, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x55772f068e50), n)
   Exit: (211) [system] get_char((0x55772f068e50), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1635210)
   Call: (212) [system] peek_char((0x55772f068e50), _1636144)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1635210=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (211) [system] _1621274=[n]
   Exit: (211) [system] [n]=[n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (210) [system] _1607338=[o, n]
   Exit: (210) [system] [o, n]=[o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (209) [system] _1593402=[i, o, n]
   Exit: (209) [system] [i, o, n]=[i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (208) [system] _1579466=[t, i, o, n]
   Exit: (208) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (207) [system] _1565530=[c, t, i, o, n]
   Exit: (207) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (206) [system] _1551594=[u, c, t, i, o, n]
   Exit: (206) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (205) [system] _1537658=[d, u, c, t, i, o, n]
   Exit: (205) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (204) [system] _1523722=[o, d, u, c, t, i, o, n]
   Exit: (204) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (203) [system] _1509786=[r, o, d, u, c, t, i, o, n]
   Exit: (203) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (202) [system] _1495850=[t, r, o, d, u, c, t, i, o, n]
   Exit: (202) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (201) [system] _1481914=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (201) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (200) [system] _1467978=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (200) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (199) [system] _1454042=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (199) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (198) [system] _1440106=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (198) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (197) [system] _1426170=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (197) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (196) [system] _1412234=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (196) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (195) [system] _1398298=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (195) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (194) [system] _1384362=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (194) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (193) [system] _1370426=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (193) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (192) [system] _1356490=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (192) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (191) [system] _1342554=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (191) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (190) [system] _1328618=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (190) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (189) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1293108)
^  Call: (190) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1706896)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_1707848, _1707850), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1706896), _1707830, fail)), '$restore_trace'(_1707848, _1707850))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_1707848, _1707850))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1706896), _1707830, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(_1706896)
   Fail: (191) [system] atomic(_1706896)
   Call: (191) [system] atom_chars(_1706896, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (191) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (190) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (190) [system] integer('DisjunctionIntroduction')
   Fail: (190) [system] integer('DisjunctionIntroduction')
   Call: (190) [system] _1293108='DisjunctionIntroduction'
   Exit: (190) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (189) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (188) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (187) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (187) [user] read_list(')', (0x55772f068e50), _1721846)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1723704)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x55772f068e50), _1733298)
   Exit: (189) [system] get_char((0x55772f068e50), ' ')
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1736002)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1752936)
   Exit: (188) [system] peek_char((0x55772f068e50), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x55772f068e50), _1758506)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1760364)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] get_char((0x55772f068e50), _1776374)
   Exit: (189) [system] get_char((0x55772f068e50), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x55772f068e50), _1758506)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1781944)
   Exit: (191) [system] peek_char((0x55772f068e50), -)
   Call: (191) [system] (-)=(;)
   Fail: (191) [system] (-)=(;)
   Call: (191) [system] (-)=(/)
   Fail: (191) [system] (-)=(/)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Fail: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Fail: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Fail: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
   Fail: (192) [system] char_type(-, cntrl)
^  Fail: (191) [user] is_like_space(-)
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1797954)
   Exit: (190) [system] peek_char((0x55772f068e50), -)
   Call: (190) [system] (-)=')'
   Fail: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
   Fail: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x55772f068e50), _1803524)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1805382)
   Exit: (192) [system] peek_char((0x55772f068e50), -)
   Call: (192) [system] (-)=(;)
   Fail: (192) [system] (-)=(;)
   Call: (192) [system] (-)=(/)
   Fail: (192) [system] (-)=(/)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Fail: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Fail: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Fail: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
   Fail: (193) [system] char_type(-, cntrl)
^  Fail: (192) [user] is_like_space(-)
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] get_char((0x55772f068e50), _1821392)
   Exit: (191) [system] get_char((0x55772f068e50), -)
   Call: (191) [system] (-)='('
   Fail: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Fail: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Fail: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Fail: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Fail: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Fail: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Fail: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
   Fail: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x55772f068e50), -, _1803524)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _1839034)
   Call: (193) [system] peek_char((0x55772f068e50), _1839968)
   Exit: (193) [system] peek_char((0x55772f068e50), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Fail: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_1844688, v('(', ')', end_of_file), >)
   Fail: (194) [system] arg(_1845620, v('(', ')', end_of_file), >)
^  Fail: (193) [user] is_delimiter(>)
   Call: (193) [system] ')'==(>)
   Fail: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x55772f068e50), >)
   Exit: (193) [system] get_char((0x55772f068e50), >)
   Call: (193) [system] (>)=(\)
   Fail: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _1852970)
   Call: (194) [system] peek_char((0x55772f068e50), _1853904)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1852970=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (193) [system] _1839034=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [>])
^  Call: (192) [user] classify_and_convert_charseq([-, >], _1803524)
^  Call: (193) [user] classify_and_convert_charseq_([-, >], _1865982)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_1866934, _1866936), once(user:catch(read_from_chars([-, >], _1865982), _1866916, fail)), '$restore_trace'(_1866934, _1866936))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_1866934, _1866936))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _1866916, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(->)
   Exit: (194) [system] atomic(->)
^  Exit: (193) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (193) [system] integer(->)
   Fail: (193) [system] integer(->)
   Call: (193) [system] _1803524=(->)
   Exit: (193) [system] (->)=(->)
^  Exit: (192) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (191) [user] read_symbolic(')', (0x55772f068e50), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x55772f068e50), ->)
^  Call: (190) [user] read_list(')', (0x55772f068e50), _1879062)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1880920)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x55772f068e50), _1890514)
   Exit: (192) [system] get_char((0x55772f068e50), ' ')
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1893218)
   Exit: (193) [system] peek_char((0x55772f068e50), $)
   Call: (193) [system] ($)=(;)
   Fail: (193) [system] ($)=(;)
   Call: (193) [system] ($)=(/)
   Fail: (193) [system] ($)=(/)
^  Call: (193) [user] is_like_space($)
   Call: (194) [system] char_type($, 'white')
   Fail: (194) [system] char_type($, 'white')
   Call: (194) [system] char_type($, end_of_line)
   Fail: (194) [system] char_type($, end_of_line)
   Call: (194) [system] char_type($, space)
   Fail: (194) [system] char_type($, space)
   Call: (194) [system] char_type($, cntrl)
   Fail: (194) [system] char_type($, cntrl)
^  Fail: (193) [user] is_like_space($)
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1910152)
   Exit: (191) [system] peek_char((0x55772f068e50), $)
   Call: (191) [system] ($)=')'
   Fail: (191) [system] ($)=')'
   Call: (191) [system] ($)=end_of_file
   Fail: (191) [system] ($)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x55772f068e50), _1915722)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1917580)
   Exit: (193) [system] peek_char((0x55772f068e50), $)
   Call: (193) [system] ($)=(;)
   Fail: (193) [system] ($)=(;)
   Call: (193) [system] ($)=(/)
   Fail: (193) [system] ($)=(/)
^  Call: (193) [user] is_like_space($)
   Call: (194) [system] char_type($, 'white')
   Fail: (194) [system] char_type($, 'white')
   Call: (194) [system] char_type($, end_of_line)
   Fail: (194) [system] char_type($, end_of_line)
   Call: (194) [system] char_type($, space)
   Fail: (194) [system] char_type($, space)
   Call: (194) [system] char_type($, cntrl)
   Fail: (194) [system] char_type($, cntrl)
^  Fail: (193) [user] is_like_space($)
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] get_char((0x55772f068e50), _1933590)
   Exit: (192) [system] get_char((0x55772f068e50), $)
   Call: (192) [system] ($)='('
   Fail: (192) [system] ($)='('
   Call: (192) [system] ($)='['
   Fail: (192) [system] ($)='['
   Call: (192) [system] ($)='{'
   Fail: (192) [system] ($)='{'
   Call: (192) [system] ($)='"'
   Fail: (192) [system] ($)='"'
   Call: (192) [system] ($)=!
   Fail: (192) [system] ($)=!
   Call: (192) [system] ($)='\''
   Fail: (192) [system] ($)='\''
   Call: (192) [system] ($)='`'
   Fail: (192) [system] ($)='`'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x55772f068e50), $, _1915722)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _1951232)
   Call: (194) [system] peek_char((0x55772f068e50), _1952166)
   Exit: (194) [system] peek_char((0x55772f068e50), p)
^  Call: (194) [user] is_delimiter(p)
   Call: (195) [system] char_type(p, space)
   Fail: (195) [system] char_type(p, space)
   Call: (195) [system] arg(_1956886, v('(', ')', end_of_file), p)
   Fail: (195) [system] arg(_1957818, v('(', ')', end_of_file), p)
^  Fail: (194) [user] is_delimiter(p)
   Call: (194) [system] ')'==p
   Fail: (194) [system] ')'==p
   Call: (194) [system] get_char((0x55772f068e50), p)
   Exit: (194) [system] get_char((0x55772f068e50), p)
   Call: (194) [system] p=(\)
   Fail: (194) [system] p=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _1965168)
   Call: (195) [system] peek_char((0x55772f068e50), _1966102)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _1965168=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (194) [system] _1951232=[p]
   Exit: (194) [system] [p]=[p]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [p])
^  Call: (193) [user] classify_and_convert_charseq([$, p], _1915722)
^  Call: (194) [user] classify_and_convert_charseq_([$, p], _1978180)
   Call: (195) [system] atom_chars(_1979112, ['_', p])
   Exit: (195) [system] atom_chars('_p', ['_', p])
^  Exit: (194) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (194) [system] integer(_p)
   Fail: (194) [system] integer(_p)
   Call: (194) [system] _1915722=_p
   Exit: (194) [system] _p=_p
^  Exit: (193) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (192) [user] read_symbolic(')', (0x55772f068e50), $, _p)
^  Exit: (191) [user] cont_sexpr(')', (0x55772f068e50), _p)
^  Call: (191) [user] read_list(')', (0x55772f068e50), _1988404)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1990262)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _1999856)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _2002560)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _2019494)
   Exit: (192) [system] peek_char((0x55772f068e50), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _2025064)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _2026922)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _2042932)
   Exit: (193) [system] get_char((0x55772f068e50), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x55772f068e50), $, _2025064)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _2060574)
   Call: (195) [system] peek_char((0x55772f068e50), _2061508)
   Exit: (195) [system] peek_char((0x55772f068e50), q)
^  Call: (195) [user] is_delimiter(q)
   Call: (196) [system] char_type(q, space)
   Fail: (196) [system] char_type(q, space)
   Call: (196) [system] arg(_2066228, v('(', ')', end_of_file), q)
   Fail: (196) [system] arg(_2067160, v('(', ')', end_of_file), q)
^  Fail: (195) [user] is_delimiter(q)
   Call: (195) [system] ')'==q
   Fail: (195) [system] ')'==q
   Call: (195) [system] get_char((0x55772f068e50), q)
   Exit: (195) [system] get_char((0x55772f068e50), q)
   Call: (195) [system] q=(\)
   Fail: (195) [system] q=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _2074510)
   Call: (196) [system] peek_char((0x55772f068e50), _2075444)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _2074510=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (195) [system] _2060574=[q]
   Exit: (195) [system] [q]=[q]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [q])
^  Call: (194) [user] classify_and_convert_charseq([$, q], _2025064)
^  Call: (195) [user] classify_and_convert_charseq_([$, q], _2087522)
   Call: (196) [system] atom_chars(_2088454, ['_', q])
   Exit: (196) [system] atom_chars('_q', ['_', q])
^  Exit: (195) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (195) [system] integer(_q)
   Fail: (195) [system] integer(_q)
   Call: (195) [system] _2025064=_q
   Exit: (195) [system] _q=_q
^  Exit: (194) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (193) [user] read_symbolic(')', (0x55772f068e50), $, _q)
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), _q)
^  Call: (192) [user] read_list(')', (0x55772f068e50), _4298)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _6156)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _15750)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _18454)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _35388)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _40958)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _42816)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _58826)
   Exit: (194) [system] get_char((0x55772f068e50), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x55772f068e50), _40958)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _64396)
   Exit: (196) [system] peek_char((0x55772f068e50), 'O')
   Call: (196) [system] 'O'=(;)
   Fail: (196) [system] 'O'=(;)
   Call: (196) [system] 'O'=(/)
   Fail: (196) [system] 'O'=(/)
^  Call: (196) [user] is_like_space('O')
   Call: (197) [system] char_type('O', 'white')
   Fail: (197) [system] char_type('O', 'white')
   Call: (197) [system] char_type('O', end_of_line)
   Fail: (197) [system] char_type('O', end_of_line)
   Call: (197) [system] char_type('O', space)
   Fail: (197) [system] char_type('O', space)
   Call: (197) [system] char_type('O', cntrl)
   Fail: (197) [system] char_type('O', cntrl)
^  Fail: (196) [user] is_like_space('O')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _80406)
   Exit: (195) [system] peek_char((0x55772f068e50), 'O')
   Call: (195) [system] 'O'=')'
   Fail: (195) [system] 'O'=')'
   Call: (195) [system] 'O'=end_of_file
   Fail: (195) [system] 'O'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _85976)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _87834)
   Exit: (197) [system] peek_char((0x55772f068e50), 'O')
   Call: (197) [system] 'O'=(;)
   Fail: (197) [system] 'O'=(;)
   Call: (197) [system] 'O'=(/)
   Fail: (197) [system] 'O'=(/)
^  Call: (197) [user] is_like_space('O')
   Call: (198) [system] char_type('O', 'white')
   Fail: (198) [system] char_type('O', 'white')
   Call: (198) [system] char_type('O', end_of_line)
   Fail: (198) [system] char_type('O', end_of_line)
   Call: (198) [system] char_type('O', space)
   Fail: (198) [system] char_type('O', space)
   Call: (198) [system] char_type('O', cntrl)
   Fail: (198) [system] char_type('O', cntrl)
^  Fail: (197) [user] is_like_space('O')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _103844)
   Exit: (196) [system] get_char((0x55772f068e50), 'O')
   Call: (196) [system] 'O'='('
   Fail: (196) [system] 'O'='('
   Call: (196) [system] 'O'='['
   Fail: (196) [system] 'O'='['
   Call: (196) [system] 'O'='{'
   Fail: (196) [system] 'O'='{'
   Call: (196) [system] 'O'='"'
   Fail: (196) [system] 'O'='"'
   Call: (196) [system] 'O'=!
   Fail: (196) [system] 'O'=!
   Call: (196) [system] 'O'='\''
   Fail: (196) [system] 'O'='\''
   Call: (196) [system] 'O'='`'
   Fail: (196) [system] 'O'='`'
   Call: (196) [system] 'O'=end_of_file
   Fail: (196) [system] 'O'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x55772f068e50), 'O', _85976)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _121486)
   Call: (198) [system] peek_char((0x55772f068e50), _122420)
   Exit: (198) [system] peek_char((0x55772f068e50), r)
^  Call: (198) [user] is_delimiter(r)
   Call: (199) [system] char_type(r, space)
   Fail: (199) [system] char_type(r, space)
   Call: (199) [system] arg(_127140, v('(', ')', end_of_file), r)
   Fail: (199) [system] arg(_128072, v('(', ')', end_of_file), r)
^  Fail: (198) [user] is_delimiter(r)
   Call: (198) [system] ')'==r
   Fail: (198) [system] ')'==r
   Call: (198) [system] get_char((0x55772f068e50), r)
   Exit: (198) [system] get_char((0x55772f068e50), r)
   Call: (198) [system] r=(\)
   Fail: (198) [system] r=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _135422)
   Call: (199) [system] peek_char((0x55772f068e50), _136356)
   Exit: (199) [system] peek_char((0x55772f068e50), 'L')
^  Call: (199) [user] is_delimiter('L')
   Call: (200) [system] char_type('L', space)
   Fail: (200) [system] char_type('L', space)
   Call: (200) [system] arg(_141076, v('(', ')', end_of_file), 'L')
   Fail: (200) [system] arg(_142008, v('(', ')', end_of_file), 'L')
^  Fail: (199) [user] is_delimiter('L')
   Call: (199) [system] ')'=='L'
   Fail: (199) [system] ')'=='L'
   Call: (199) [system] get_char((0x55772f068e50), 'L')
   Exit: (199) [system] get_char((0x55772f068e50), 'L')
   Call: (199) [system] 'L'=(\)
   Fail: (199) [system] 'L'=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _149358)
   Call: (200) [system] peek_char((0x55772f068e50), _150292)
   Exit: (200) [system] peek_char((0x55772f068e50), i)
^  Call: (200) [user] is_delimiter(i)
   Call: (201) [system] char_type(i, space)
   Fail: (201) [system] char_type(i, space)
   Call: (201) [system] arg(_155012, v('(', ')', end_of_file), i)
   Fail: (201) [system] arg(_155944, v('(', ')', end_of_file), i)
^  Fail: (200) [user] is_delimiter(i)
   Call: (200) [system] ')'==i
   Fail: (200) [system] ')'==i
   Call: (200) [system] get_char((0x55772f068e50), i)
   Exit: (200) [system] get_char((0x55772f068e50), i)
   Call: (200) [system] i=(\)
   Fail: (200) [system] i=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _163294)
   Call: (201) [system] peek_char((0x55772f068e50), _164228)
   Exit: (201) [system] peek_char((0x55772f068e50), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_168948, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_169880, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x55772f068e50), n)
   Exit: (201) [system] get_char((0x55772f068e50), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _177230)
   Call: (202) [system] peek_char((0x55772f068e50), _178164)
   Exit: (202) [system] peek_char((0x55772f068e50), k)
^  Call: (202) [user] is_delimiter(k)
   Call: (203) [system] char_type(k, space)
   Fail: (203) [system] char_type(k, space)
   Call: (203) [system] arg(_182884, v('(', ')', end_of_file), k)
   Fail: (203) [system] arg(_183816, v('(', ')', end_of_file), k)
^  Fail: (202) [user] is_delimiter(k)
   Call: (202) [system] ')'==k
   Fail: (202) [system] ')'==k
   Call: (202) [system] get_char((0x55772f068e50), k)
   Exit: (202) [system] get_char((0x55772f068e50), k)
   Call: (202) [system] k=(\)
   Fail: (202) [system] k=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _191166)
   Call: (203) [system] peek_char((0x55772f068e50), _192100)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _191166=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (202) [system] _177230=[k]
   Exit: (202) [system] [k]=[k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (201) [system] _163294=[n, k]
   Exit: (201) [system] [n, k]=[n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (200) [system] _149358=[i, n, k]
   Exit: (200) [system] [i, n, k]=[i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (199) [system] _135422=['L', i, n, k]
   Exit: (199) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (198) [system] _121486=[r, 'L', i, n, k]
   Exit: (198) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (197) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _85976)
^  Call: (198) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _215354)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_216306, _216308), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _215354), _216288, fail)), '$restore_trace'(_216306, _216308))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_216306, _216308))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _215354), _216288, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(_215354)
   Fail: (199) [system] atomic(_215354)
   Call: (199) [system] atom_chars(_215354, ['O', r, 'L', i, n, k])
   Exit: (199) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (198) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (198) [system] integer('OrLink')
   Fail: (198) [system] integer('OrLink')
   Call: (198) [system] _85976='OrLink'
   Exit: (198) [system] 'OrLink'='OrLink'
^  Exit: (197) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (196) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (195) [user] read_list(')', (0x55772f068e50), _230304)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _232162)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _241756)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _244460)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _261394)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _266964)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _268822)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _284832)
   Exit: (197) [system] get_char((0x55772f068e50), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x55772f068e50), $, _266964)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _302474)
   Call: (199) [system] peek_char((0x55772f068e50), _303408)
   Exit: (199) [system] peek_char((0x55772f068e50), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_308128, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_309060, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x55772f068e50), p)
   Exit: (199) [system] get_char((0x55772f068e50), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _316410)
   Call: (200) [system] peek_char((0x55772f068e50), _317344)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _316410=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (199) [system] _302474=[p]
   Exit: (199) [system] [p]=[p]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [p])
^  Call: (198) [user] classify_and_convert_charseq([$, p], _266964)
^  Call: (199) [user] classify_and_convert_charseq_([$, p], _329422)
   Call: (200) [system] atom_chars(_330354, ['_', p])
   Exit: (200) [system] atom_chars('_p', ['_', p])
^  Exit: (199) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (199) [system] integer(_p)
   Fail: (199) [system] integer(_p)
   Call: (199) [system] _266964=_p
   Exit: (199) [system] _p=_p
^  Exit: (198) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (197) [user] read_symbolic(')', (0x55772f068e50), $, _p)
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), _p)
^  Call: (196) [user] read_list(')', (0x55772f068e50), _339646)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _341504)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _351098)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _353802)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _370736)
   Exit: (197) [system] peek_char((0x55772f068e50), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _376306)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _378164)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _394174)
   Exit: (198) [system] get_char((0x55772f068e50), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x55772f068e50), $, _376306)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _411816)
   Call: (200) [system] peek_char((0x55772f068e50), _412750)
   Exit: (200) [system] peek_char((0x55772f068e50), q)
^  Call: (200) [user] is_delimiter(q)
   Call: (201) [system] char_type(q, space)
   Fail: (201) [system] char_type(q, space)
   Call: (201) [system] arg(_417470, v('(', ')', end_of_file), q)
   Fail: (201) [system] arg(_418402, v('(', ')', end_of_file), q)
^  Fail: (200) [user] is_delimiter(q)
   Call: (200) [system] ')'==q
   Fail: (200) [system] ')'==q
   Call: (200) [system] get_char((0x55772f068e50), q)
   Exit: (200) [system] get_char((0x55772f068e50), q)
   Call: (200) [system] q=(\)
   Fail: (200) [system] q=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _425752)
   Call: (201) [system] peek_char((0x55772f068e50), _426686)
   Exit: (201) [system] peek_char((0x55772f068e50), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_431406, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _425752=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (200) [system] _411816=[q]
   Exit: (200) [system] [q]=[q]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [q])
^  Call: (199) [user] classify_and_convert_charseq([$, q], _376306)
^  Call: (200) [user] classify_and_convert_charseq_([$, q], _440636)
   Call: (201) [system] atom_chars(_441568, ['_', q])
   Exit: (201) [system] atom_chars('_q', ['_', q])
^  Exit: (200) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (200) [system] integer(_q)
   Fail: (200) [system] integer(_q)
   Call: (200) [system] _376306=_q
   Exit: (200) [system] _q=_q
^  Exit: (199) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (198) [user] read_symbolic(')', (0x55772f068e50), $, _q)
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), _q)
^  Call: (197) [user] read_list(')', (0x55772f068e50), _450860)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _452718)
   Exit: (199) [system] peek_char((0x55772f068e50), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _468728)
   Exit: (198) [system] peek_char((0x55772f068e50), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x55772f068e50), _472518)
   Exit: (198) [system] get_char((0x55772f068e50), ')')
   Call: (198) [system] _450860=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [])
   Call: (197) [system] _339646=[_q]
   Exit: (197) [system] [_q]=[_q]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [_q])
   Call: (196) [system] _230304=[_p, _q]
   Exit: (196) [system] [_p, _q]=[_p, _q]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [_p, _q])
   Call: (195) [system] _40958=['OrLink', _p, _q]
   Exit: (195) [system] ['OrLink', _p, _q]=['OrLink', _p, _q]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), ['OrLink', _p, _q])
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', _p, _q])
^  Call: (193) [user] read_list(')', (0x55772f068e50), _486400)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _488258)
   Exit: (195) [system] peek_char((0x55772f068e50), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _504268)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x55772f068e50), _508058)
   Exit: (194) [system] get_char((0x55772f068e50), ')')
   Call: (194) [system] _486400=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [])
   Call: (193) [system] _4298=[['OrLink', _p, _q]]
   Exit: (193) [system] [['OrLink', _p, _q]]=[['OrLink', _p, _q]]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [['OrLink', _p, _q]])
   Call: (192) [system] _3414=[_q, ['OrLink', _p, _q]]
   Exit: (192) [system] [_q, ['OrLink', _p, _q]]=[_q, ['OrLink', _p, _q]]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [_q, ['OrLink', _p, _q]])
   Call: (191) [system] _3404=[_p, _q, ['OrLink', _p, _q]]
   Exit: (191) [system] [_p, _q, ['OrLink', _p, _q]]=[_p, _q, ['OrLink', _p, _q]]
^  Exit: (190) [user] read_list(')', (0x55772f068e50), [_p, _q, ['OrLink', _p, _q]])
   Call: (190) [system] _3396=[->, _p, _q, ['OrLink', _p, _q]]
   Exit: (190) [system] [->, _p, _q, ['OrLink', _p, _q]]=[->, _p, _q, ['OrLink', _p, _q]]
^  Exit: (189) [user] read_list(')', (0x55772f068e50), [->, _p, _q, ['OrLink', _p, _q]])
^  Exit: (188) [user] cont_sexpr(')', (0x55772f068e50), [->, _p, _q, ['OrLink', _p, _q]])
^  Call: (188) [user] read_list(')', (0x55772f068e50), _524734)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _526592)
   Exit: (190) [system] peek_char((0x55772f068e50), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _542602)
   Exit: (189) [system] peek_char((0x55772f068e50), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x55772f068e50), _546392)
   Exit: (189) [system] get_char((0x55772f068e50), ')')
   Call: (189) [system] _524734=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [])
   Call: (188) [system] _3392=[[->, _p, _q, ['OrLink', _p, _q]]]
   Exit: (188) [system] [[->, _p, _q, ['OrLink', _p, _q]]]=[[->, _p, _q, ['OrLink', _p, _q]]]
^  Exit: (187) [user] read_list(')', (0x55772f068e50), [[->, _p, _q, ['OrLink', _p, _q]]])
   Call: (187) [system] _3386=['DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]
   Exit: (187) [system] ['DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]=['DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]
^  Exit: (186) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]])
   Call: (186) [system] _3378=[:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]
   Exit: (186) [system] [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]=[:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]])
^  Exit: (184) [user] cont_sexpr(')', (0x55772f068e50), [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]])
^  Call: (184) [user] read_list(')', (0x55772f068e50), _560274)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _562132)
   Exit: (186) [system] peek_char((0x55772f068e50), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _578142)
   Exit: (185) [system] peek_char((0x55772f068e50), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x55772f068e50), _581932)
   Exit: (185) [system] get_char((0x55772f068e50), ')')
   Call: (185) [system] _560274=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [])
   Call: (184) [system] _3374=[[:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]
   Exit: (184) [system] [[:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]=[[:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]
^  Exit: (183) [user] read_list(')', (0x55772f068e50), [[:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]])
   Call: (183) [system] _3362=[[rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]
   Exit: (183) [system] [[rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]=[[rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]
^  Exit: (182) [user] read_list(')', (0x55772f068e50), [[rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]])
   Call: (182) [system] _3322=[=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]
   Exit: (182) [system] [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]=[=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]
^  Exit: (181) [user] read_list(')', (0x55772f068e50), [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]])
^  Exit: (180) [user] cont_sexpr(')', (0x55772f068e50), [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]])
^  Exit: (179) [user] read_sexpr((0x55772f068e50), [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]])
^  Call: (179) [user] assertz(metta_file_comment(117, 0, 4859, [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]], '$stream_position'(4859, 117, 0, 4859)))
^  Exit: (179) [user] assertz(metta_file_comment(117, 0, 4859, [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]], '$stream_position'(4859, 117, 0, 4859)))
^  Exit: (177) [system] once(user:(read_position((0x55772f068e50), 117, 0, 4859, '$stream_position'(4859, 117, 0, 4859)), read_sexpr((0x55772f068e50), [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]), assertz(metta_file_comment(117, 0, 4859, [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]], '$stream_position'(4859, 117, 0, 4859)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_600450, _600452, _600454, _600456, _600458))
^  Exit: (177) [user] retract(metta_file_comment(67, 0, 2390, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], '$stream_position'(2390, 67, 0, 2390)))
^  Call: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _3084)
^  Call: (178) [user] once(call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _603882))
^  Call: (179) [user] call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _603882)
^  Call: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _603882)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _606698))
^  Call: (182) [user] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _606698))
^  Call: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _606698)
^  Call: (184) [user] once(call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _609498))
^  Call: (185) [user] call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _609498)
^  Call: (186) [user] mfix_vars1([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _609498)
   Call: (187) [system] var([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Call: (187) [system] atom([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]==true
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]==false
   Call: (187) [system] (=)=='['
   Call: (187) [system] (=)=='{'
   Call: (187) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Exit: (187) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Call: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _619720)
   Call: (188) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], _619720)
   Call: (189) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], _619720)
   Exit: (189) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
   Exit: (188) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
   Exit: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
   Call: (187) [system] ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]=='}'
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]==[_626236, _626242]
   Call: (187) [system] fail
   Call: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Exit: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Call: (187) [user] apply:maplist(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _609498)
   Call: (188) [apply] apply:maplist_([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _609498, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(=, _631816)
   Call: (190) [system] var(=)
   Call: (190) [system] atom(=)
   Exit: (190) [system] atom(=)
^  Call: (190) [user] symbol_concat($, _635524, =)
   Call: (191) [system] atom_concat($, _635524, =)
   Fail: (191) [system] atom_concat($, _635524, =)
^  Fail: (190) [user] symbol_concat($, _635524, =)
   Call: (190) [system] (=)==true
   Call: (190) [system] (=)==false
   Call: (190) [system] (=)==[_641112, _641118]
   Call: (190) [system] is_list(=)
   Call: (190) [system] string(=)
   Call: (190) [system] compound(=)
^  Call: (190) [user] symbol(=)
   Call: (191) [system] atom(=)
   Exit: (191) [system] atom(=)
^  Exit: (190) [user] symbol(=)
^  Exit: (189) [user] mfix_vars1(=, =)
   Call: (189) [apply] apply:maplist_([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _631818, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1([synthesize, _query, _kb, _rb, ['S', _k]], _650380)
   Call: (191) [system] var([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (191) [system] atom([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==true
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==false
   Call: (191) [system] synthesize=='['
   Call: (191) [system] synthesize=='{'
   Call: (191) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Exit: (191) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Call: (191) [lists] lists:last([_query, _kb, _rb, ['S', _k]], _658724)
   Call: (192) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, _658724)
   Call: (193) [lists] lists:last_([_rb, ['S', _k]], _kb, _658724)
   Call: (194) [lists] lists:last_([['S', _k]], _rb, _658724)
   Call: (195) [lists] lists:last_([], ['S', _k], _658724)
   Exit: (195) [lists] lists:last_([], ['S', _k], ['S', _k])
   Exit: (194) [lists] lists:last_([['S', _k]], _rb, ['S', _k])
   Exit: (193) [lists] lists:last_([_rb, ['S', _k]], _kb, ['S', _k])
   Exit: (192) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, ['S', _k])
   Exit: (191) [lists] lists:last([_query, _kb, _rb, ['S', _k]], ['S', _k])
   Call: (191) [system] ['S', _k]=='}'
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==[_668968, _668974]
   Call: (191) [system] fail
   Call: (191) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (191) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (191) [user] apply:maplist(mfix_vars1, [synthesize, _query, _kb, _rb, ['S', _k]], _650380)
   Call: (192) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _650380, user:mfix_vars1)
^  Call: (193) [user] mfix_vars1(synthesize, _674548)
   Call: (194) [system] var(synthesize)
   Call: (194) [system] atom(synthesize)
   Exit: (194) [system] atom(synthesize)
^  Call: (194) [user] symbol_concat($, _678256, synthesize)
   Call: (195) [system] atom_concat($, _678256, synthesize)
   Fail: (195) [system] atom_concat($, _678256, synthesize)
^  Fail: (194) [user] symbol_concat($, _678256, synthesize)
   Call: (194) [system] synthesize==true
   Call: (194) [system] synthesize==false
   Call: (194) [system] synthesize==[_683844, _683850]
   Call: (194) [system] is_list(synthesize)
   Call: (194) [system] string(synthesize)
   Call: (194) [system] compound(synthesize)
^  Call: (194) [user] symbol(synthesize)
   Call: (195) [system] atom(synthesize)
   Exit: (195) [system] atom(synthesize)
^  Exit: (194) [user] symbol(synthesize)
^  Exit: (193) [user] mfix_vars1(synthesize, synthesize)
   Call: (193) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _674550, user:mfix_vars1)
^  Call: (194) [user] mfix_vars1(_query, _693112)
   Call: (195) [system] var(_query)
   Call: (195) [system] atom(_query)
   Call: (195) [system] _query==true
   Call: (195) [system] _query==false
   Call: (195) [system] _query==[_697754, _697760]
   Call: (195) [system] is_list(_query)
   Call: (195) [system] string(_query)
   Call: (195) [system] compound(_query)
   Exit: (195) [system] compound(_query)
   Call: (195) [system] compound_name_arguments(_query, _702388, _702390)
   Exit: (195) [system] compound_name_arguments(_query, '$VAR', ['_query'])
   Call: (195) [system] '$VAR'\=='$VAR'
^  Exit: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _707982))
^  Call: (182) [user] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _707982))
^  Call: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _707982)
^  Call: (184) [user] once(call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _710782))
^  Call: (185) [user] call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _710782)
^  Call: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _710782)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] call(user:cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (184) [system] once(user:call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _603882))
^  Call: (182) [user] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _603882))
^  Call: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _603882)
^  Call: (184) [user] once(call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _724740))
^  Call: (185) [user] call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _724740)
^  Call: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _724740)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] call(user:cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (184) [system] once(user:call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
^  Exit: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (179) [system] call(user:untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (178) [system] once(user:call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
   Call: (178) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
^  Exit: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (171) [user] read_sform((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (170) [system] once(user:read_sform((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
   Call: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]==end_of_file
   Fail: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]), 116]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x55772f06bcd0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], me_synthesize_1727481849_9551582, 116)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]), 116]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727481861.7156856)
   Call: (173) [system] arg(1, t(1727481858.222791), _3148)
   Exit: (173) [system] arg(1, t(1727481858.222791), 1727481858.222791)
   Call: (173) [system] _3158 is 1727481861.7156856-1727481858.222791
   Exit: (173) [system] 3.4928946495056152 is 1727481861.7156856-1727481858.222791
   Call: (173) [system] 3.4928946495056152>4
   Fail: (173) [system] 3.4928946495056152>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]), 116]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 24)
   Call: (175) [system] atom(24+1)
   Call: (175) [system] set_flag(translated_forms, 25)
   Exit: (175) [system] set_flag(translated_forms, 25)
   Exit: (174) [$syspreds] update_flag(translated_forms, 24, 24+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 24, 24+1))
   Exit: (171) [$syspreds] flag(translated_forms, 24, 24+1)
^  Call: (171) [user] write_metta_datalog_term((0x55772f06bcd0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], me_synthesize_1727481849_9551582, 116)
^  Call: (172) [user] s2t_iz(me_synthesize_1727481849_9551582, _776210, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _776212)
   Call: (173) [system] (=)==(:)
^  Call: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _776212)
   Call: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Exit: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Call: (174) [user] s2t(=, _780862)
   Call: (175) [system] compound(=)
   Call: (175) [system] (=)=_780862
   Exit: (175) [system] (=)=(=)
^  Exit: (174) [user] s2t(=, =)
^  Call: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _780864)
   Call: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Exit: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Call: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], _788280)
   Call: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (176) [system] synthesize==(->)
   Call: (176) [system] synthesize=='Cons'
   Call: (176) [system] synthesize==(=)
   Call: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (176) [user] apply:maplist(s2t, [synthesize, _query, _kb, _rb, ['S', _k]], _795692)
   Call: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _795692, user:s2t)
^  Call: (178) [user] s2t(synthesize, _797572)
   Call: (179) [system] compound(synthesize)
   Call: (179) [system] synthesize=_797572
   Exit: (179) [system] synthesize=synthesize
^  Exit: (178) [user] s2t(synthesize, synthesize)
   Call: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _797574, user:s2t)
^  Call: (179) [user] s2t(_query, _803146)
   Call: (180) [system] compound(_query)
   Exit: (180) [system] compound(_query)
   Call: (180) [system] is_list(_query)
^  Call: (180) [user] s2tl(_query, _803146)
   Call: (181) [system] compound(_query)
   Exit: (181) [system] compound(_query)
^  Exit: (180) [user] s2tl(_query, _query)
^  Exit: (179) [user] s2t(_query, _query)
   Call: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], _803148, user:s2t)
^  Call: (180) [user] s2t(_kb, _812416)
   Call: (181) [system] compound(_kb)
   Exit: (181) [system] compound(_kb)
   Call: (181) [system] is_list(_kb)
^  Call: (181) [user] s2tl(_kb, _812416)
   Call: (182) [system] compound(_kb)
   Exit: (182) [system] compound(_kb)
^  Exit: (181) [user] s2tl(_kb, _kb)
^  Exit: (180) [user] s2t(_kb, _kb)
   Call: (180) [apply] apply:maplist_([_rb, ['S', _k]], _812418, user:s2t)
^  Call: (181) [user] s2t(_rb, _821686)
   Call: (182) [system] compound(_rb)
   Exit: (182) [system] compound(_rb)
   Call: (182) [system] is_list(_rb)
^  Call: (182) [user] s2tl(_rb, _821686)
   Call: (183) [system] compound(_rb)
   Exit: (183) [system] compound(_rb)
^  Exit: (182) [user] s2tl(_rb, _rb)
^  Exit: (181) [user] s2t(_rb, _rb)
   Call: (181) [apply] apply:maplist_([['S', _k]], _821688, user:s2t)
^  Call: (182) [user] s2t(['S', _k], _830956)
   Call: (183) [system] compound(['S', _k])
   Exit: (183) [system] compound(['S', _k])
   Call: (183) [system] 'S'==(->)
   Call: (183) [system] 'S'=='Cons'
   Call: (183) [system] 'S'==(=)
   Call: (183) [system] is_list(['S', _k])
   Exit: (183) [system] is_list(['S', _k])
^  Call: (183) [user] apply:maplist(s2t, ['S', _k], _838368)
   Call: (184) [apply] apply:maplist_(['S', _k], _838368, user:s2t)
^  Call: (185) [user] s2t('S', _840248)
   Call: (186) [system] compound('S')
   Call: (186) [system] 'S'=_840248
   Exit: (186) [system] 'S'='S'
^  Exit: (185) [user] s2t('S', 'S')
   Call: (185) [apply] apply:maplist_([_k], _840250, user:s2t)
^  Call: (186) [user] s2t(_k, _845822)
   Call: (187) [system] compound(_k)
   Exit: (187) [system] compound(_k)
   Call: (187) [system] is_list(_k)
^  Call: (187) [user] s2tl(_k, _845822)
   Call: (188) [system] compound(_k)
   Exit: (188) [system] compound(_k)
^  Exit: (187) [user] s2tl(_k, _k)
^  Exit: (186) [user] s2t(_k, _k)
   Call: (186) [apply] apply:maplist_([], _845824, user:s2t)
   Exit: (186) [apply] apply:maplist_([], [], user:s2t)
   Exit: (185) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (184) [apply] apply:maplist_(['S', _k], ['S', _k], user:s2t)
^  Exit: (183) [apply] apply:maplist(user:s2t, ['S', _k], ['S', _k])
   Call: (183) [system] compound_name_arguments(_830956, t, ['S', _k])
   Exit: (183) [system] compound_name_arguments(t('S', _k), t, ['S', _k])
^  Exit: (182) [user] s2t(['S', _k], t('S', _k))
   Call: (182) [apply] apply:maplist_([], _830958, user:s2t)
   Exit: (182) [apply] apply:maplist_([], [], user:s2t)
   Exit: (181) [apply] apply:maplist_([['S', _k]], [t('S', _k)], user:s2t)
   Exit: (180) [apply] apply:maplist_([_rb, ['S', _k]], [_rb, t('S', _k)], user:s2t)
   Exit: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], [_kb, _rb, t('S', _k)], user:s2t)
   Exit: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], [_query, _kb, _rb, t('S', _k)], user:s2t)
   Exit: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)], user:s2t)
^  Exit: (176) [apply] apply:maplist(user:s2t, [synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)])
   Call: (176) [system] compound_name_arguments(_788280, t, [synthesize, _query, _kb, _rb, t('S', _k)])
   Exit: (176) [system] compound_name_arguments(t(synthesize, _query, _kb, _rb, t('S', _k)), t, [synthesize, _query, _kb, _rb, t('S', _k)])
^  Exit: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], t(synthesize, _query, _kb, _rb, t('S', _k)))
^  Call: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _788282)
   Call: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Exit: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Call: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], _874666)
   Call: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
   Exit: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
   Call: (177) [system] 'let*'==(->)
   Call: (177) [system] 'let*'=='Cons'
   Call: (177) [system] 'let*'==(=)
   Call: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
   Exit: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
^  Call: (177) [user] apply:maplist(s2t, ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], _882078)
   Call: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], _882078, user:s2t)
^  Call: (179) [user] s2t('let*', _883958)
   Call: (180) [system] compound('let*')
   Call: (180) [system] 'let*'=_883958
   Exit: (180) [system] 'let*'='let*'
^  Exit: (179) [user] s2t('let*', 'let*')
   Call: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], _883960, user:s2t)
^  Call: (180) [user] s2t([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _889532)
   Call: (181) [system] compound([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
   Exit: (181) [system] compound([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]]==(->)
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]]=='Cons'
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]]==(=)
   Call: (181) [system] is_list([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
   Exit: (181) [system] is_list([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
^  Call: (181) [user] apply:maplist(s2t, [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _896944)
   Call: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _896944, user:s2t)
^  Call: (183) [user] s2t([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], _898824)
   Call: (184) [system] compound([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]])
   Exit: (184) [system] compound([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]])
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]]==(->)
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]]=='Cons'
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]]==(=)
   Call: (184) [system] is_list([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]])
   Exit: (184) [system] is_list([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]])
^  Call: (184) [user] apply:maplist(s2t, [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], _906236)
   Call: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], _906236, user:s2t)
^  Call: (186) [user] s2t([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], _908116)
   Call: (187) [system] compound([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]])
   Exit: (187) [system] compound([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]])
   Call: (187) [system] (:)==(->)
   Call: (187) [system] (:)=='Cons'
   Call: (187) [system] (:)==(=)
   Call: (187) [system] is_list([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]])
   Exit: (187) [system] is_list([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]])
^  Call: (187) [user] apply:maplist(s2t, [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], _915528)
   Call: (188) [apply] apply:maplist_([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], _915528, user:s2t)
^  Call: (189) [user] s2t(:, _917408)
   Call: (190) [system] compound(:)
   Call: (190) [system] (:)=_917408
   Exit: (190) [system] (:)=(:)
^  Exit: (189) [user] s2t(:, :)
   Call: (189) [apply] apply:maplist_([_ructor, [->, _premise1, _premise2, _premise3, _conclusion]], _917410, user:s2t)
^  Call: (190) [user] s2t(_ructor, _922982)
   Call: (191) [system] compound(_ructor)
   Exit: (191) [system] compound(_ructor)
   Call: (191) [system] is_list(_ructor)
^  Call: (191) [user] s2tl(_ructor, _922982)
   Call: (192) [system] compound(_ructor)
   Exit: (192) [system] compound(_ructor)
^  Exit: (191) [user] s2tl(_ructor, _ructor)
^  Exit: (190) [user] s2t(_ructor, _ructor)
   Call: (190) [apply] apply:maplist_([[->, _premise1, _premise2, _premise3, _conclusion]], _922984, user:s2t)
^  Call: (191) [user] s2t([->, _premise1, _premise2, _premise3, _conclusion], _932252)
   Call: (192) [system] compound([->, _premise1, _premise2, _premise3, _conclusion])
   Exit: (192) [system] compound([->, _premise1, _premise2, _premise3, _conclusion])
   Call: (192) [system] (->)==(->)
   Exit: (192) [system] (->)==(->)
^  Call: (192) [user] s2tl([_premise1, _premise2, _premise3, _conclusion], _936888)
   Call: (193) [system] compound([_premise1, _premise2, _premise3, _conclusion])
   Exit: (193) [system] compound([_premise1, _premise2, _premise3, _conclusion])
^  Call: (193) [user] s2t(_premise1, _939668)
   Call: (194) [system] compound(_premise1)
   Exit: (194) [system] compound(_premise1)
   Call: (194) [system] is_list(_premise1)
^  Call: (194) [user] s2tl(_premise1, _939668)
   Call: (195) [system] compound(_premise1)
   Exit: (195) [system] compound(_premise1)
^  Exit: (194) [user] s2tl(_premise1, _premise1)
^  Exit: (193) [user] s2t(_premise1, _premise1)
^  Call: (193) [user] s2tl([_premise2, _premise3, _conclusion], _939670)
   Call: (194) [system] compound([_premise2, _premise3, _conclusion])
   Exit: (194) [system] compound([_premise2, _premise3, _conclusion])
^  Call: (194) [user] s2t(_premise2, _950782)
   Call: (195) [system] compound(_premise2)
   Exit: (195) [system] compound(_premise2)
   Call: (195) [system] is_list(_premise2)
^  Call: (195) [user] s2tl(_premise2, _950782)
   Call: (196) [system] compound(_premise2)
   Exit: (196) [system] compound(_premise2)
^  Exit: (195) [user] s2tl(_premise2, _premise2)
^  Exit: (194) [user] s2t(_premise2, _premise2)
^  Call: (194) [user] s2tl([_premise3, _conclusion], _950784)
   Call: (195) [system] compound([_premise3, _conclusion])
   Exit: (195) [system] compound([_premise3, _conclusion])
^  Call: (195) [user] s2t(_premise3, _961896)
   Call: (196) [system] compound(_premise3)
   Exit: (196) [system] compound(_premise3)
   Call: (196) [system] is_list(_premise3)
^  Call: (196) [user] s2tl(_premise3, _961896)
   Call: (197) [system] compound(_premise3)
   Exit: (197) [system] compound(_premise3)
^  Exit: (196) [user] s2tl(_premise3, _premise3)
^  Exit: (195) [user] s2t(_premise3, _premise3)
^  Call: (195) [user] s2tl([_conclusion], _961898)
   Call: (196) [system] compound([_conclusion])
   Exit: (196) [system] compound([_conclusion])
^  Call: (196) [user] s2t(_conclusion, _973010)
   Call: (197) [system] compound(_conclusion)
   Exit: (197) [system] compound(_conclusion)
   Call: (197) [system] is_list(_conclusion)
^  Call: (197) [user] s2tl(_conclusion, _973010)
   Call: (198) [system] compound(_conclusion)
   Exit: (198) [system] compound(_conclusion)
^  Exit: (197) [user] s2tl(_conclusion, _conclusion)
^  Exit: (196) [user] s2t(_conclusion, _conclusion)
^  Call: (196) [user] s2tl([], _973012)
   Call: (197) [system] compound([])
   Call: (197) [system] []=_973012
   Exit: (197) [system] []=[]
^  Exit: (196) [user] s2tl([], [])
^  Exit: (195) [user] s2tl([_conclusion], [_conclusion])
^  Exit: (194) [user] s2tl([_premise3, _conclusion], [_premise3, _conclusion])
^  Exit: (193) [user] s2tl([_premise2, _premise3, _conclusion], [_premise2, _premise3, _conclusion])
^  Exit: (192) [user] s2tl([_premise1, _premise2, _premise3, _conclusion], [_premise1, _premise2, _premise3, _conclusion])
   Call: (192) [system] _932252=..[->, [_premise1, _premise2, _premise3, _conclusion]]
   Exit: (192) [system] ->([_premise1, _premise2, _premise3, _conclusion])=..[->, [_premise1, _premise2, _premise3, _conclusion]]
^  Exit: (191) [user] s2t([->, _premise1, _premise2, _premise3, _conclusion], ->([_premise1, _premise2, _premise3, _conclusion]))
   Call: (191) [apply] apply:maplist_([], _932254, user:s2t)
   Exit: (191) [apply] apply:maplist_([], [], user:s2t)
   Exit: (190) [apply] apply:maplist_([[->, _premise1, _premise2, _premise3, _conclusion]], [->([_premise1, _premise2, _premise3, _conclusion])], user:s2t)
   Exit: (189) [apply] apply:maplist_([_ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_ructor, ->([_premise1, _premise2, _premise3, _conclusion])], user:s2t)
   Exit: (188) [apply] apply:maplist_([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])], user:s2t)
^  Exit: (187) [apply] apply:maplist(user:s2t, [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])])
   Call: (187) [system] compound_name_arguments(_908116, t, [:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])])
   Exit: (187) [system] compound_name_arguments(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t, [:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])])
^  Exit: (186) [user] s2t([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])))
   Call: (186) [apply] apply:maplist_([[_rb]], _908118, user:s2t)
^  Call: (187) [user] s2t([_rb], _1001826)
   Call: (188) [system] compound([_rb])
   Exit: (188) [system] compound([_rb])
   Call: (188) [system] _rb==(->)
   Call: (188) [system] _rb=='Cons'
   Call: (188) [system] _rb==(=)
   Call: (188) [system] is_list([_rb])
   Exit: (188) [system] is_list([_rb])
^  Call: (188) [user] apply:maplist(s2t, [_rb], _1009238)
   Call: (189) [apply] apply:maplist_([_rb], _1009238, user:s2t)
^  Call: (190) [user] s2t(_rb, _1011118)
   Call: (191) [system] compound(_rb)
   Exit: (191) [system] compound(_rb)
   Call: (191) [system] is_list(_rb)
^  Call: (191) [user] s2tl(_rb, _1011118)
   Call: (192) [system] compound(_rb)
   Exit: (192) [system] compound(_rb)
^  Exit: (191) [user] s2tl(_rb, _rb)
^  Exit: (190) [user] s2t(_rb, _rb)
   Call: (190) [apply] apply:maplist_([], _1011120, user:s2t)
   Exit: (190) [apply] apply:maplist_([], [], user:s2t)
   Exit: (189) [apply] apply:maplist_([_rb], [_rb], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [_rb], [_rb])
   Call: (188) [system] compound_name_arguments(_1001826, t, [_rb])
   Exit: (188) [system] compound_name_arguments(t(_rb), t, [_rb])
^  Exit: (187) [user] s2t([_rb], t(_rb))
   Call: (187) [apply] apply:maplist_([], _1001828, user:s2t)
   Exit: (187) [apply] apply:maplist_([], [], user:s2t)
   Exit: (186) [apply] apply:maplist_([[_rb]], [t(_rb)], user:s2t)
   Exit: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)], user:s2t)
^  Exit: (184) [apply] apply:maplist(user:s2t, [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)])
   Call: (184) [system] compound_name_arguments(_898824, t, [t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)])
   Exit: (184) [system] compound_name_arguments(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t, [t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)])
^  Exit: (183) [user] s2t([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)))
   Call: (183) [apply] apply:maplist_([[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _898826, user:s2t)
^  Call: (184) [user] s2t([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], _1034382)
   Call: (185) [system] compound([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query])
   Exit: (185) [system] compound([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query])
   Call: (185) [system] [:, [_ructor, _proof1, _proof2, _proof3], _conclusion]==(->)
   Call: (185) [system] [:, [_ructor, _proof1, _proof2, _proof3], _conclusion]=='Cons'
   Call: (185) [system] [:, [_ructor, _proof1, _proof2, _proof3], _conclusion]==(=)
   Call: (185) [system] is_list([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query])
   Exit: (185) [system] is_list([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query])
^  Call: (185) [user] apply:maplist(s2t, [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], _1041794)
   Call: (186) [apply] apply:maplist_([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], _1041794, user:s2t)
^  Call: (187) [user] s2t([:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _1043674)
   Call: (188) [system] compound([:, [_ructor, _proof1, _proof2, _proof3], _conclusion])
   Exit: (188) [system] compound([:, [_ructor, _proof1, _proof2, _proof3], _conclusion])
   Call: (188) [system] (:)==(->)
   Call: (188) [system] (:)=='Cons'
   Call: (188) [system] (:)==(=)
   Call: (188) [system] is_list([:, [_ructor, _proof1, _proof2, _proof3], _conclusion])
   Exit: (188) [system] is_list([:, [_ructor, _proof1, _proof2, _proof3], _conclusion])
^  Call: (188) [user] apply:maplist(s2t, [:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _1051086)
   Call: (189) [apply] apply:maplist_([:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _1051086, user:s2t)
^  Call: (190) [user] s2t(:, _1052966)
   Call: (191) [system] compound(:)
   Call: (191) [system] (:)=_1052966
   Exit: (191) [system] (:)=(:)
^  Exit: (190) [user] s2t(:, :)
   Call: (190) [apply] apply:maplist_([[_ructor, _proof1, _proof2, _proof3], _conclusion], _1052968, user:s2t)
^  Call: (191) [user] s2t([_ructor, _proof1, _proof2, _proof3], _1058540)
   Call: (192) [system] compound([_ructor, _proof1, _proof2, _proof3])
   Exit: (192) [system] compound([_ructor, _proof1, _proof2, _proof3])
   Call: (192) [system] _ructor==(->)
   Call: (192) [system] _ructor=='Cons'
   Call: (192) [system] _ructor==(=)
   Call: (192) [system] is_list([_ructor, _proof1, _proof2, _proof3])
   Exit: (192) [system] is_list([_ructor, _proof1, _proof2, _proof3])
^  Call: (192) [user] apply:maplist(s2t, [_ructor, _proof1, _proof2, _proof3], _1065952)
   Call: (193) [apply] apply:maplist_([_ructor, _proof1, _proof2, _proof3], _1065952, user:s2t)
^  Call: (194) [user] s2t(_ructor, _1067832)
   Call: (195) [system] compound(_ructor)
   Exit: (195) [system] compound(_ructor)
   Call: (195) [system] is_list(_ructor)
^  Call: (195) [user] s2tl(_ructor, _1067832)
   Call: (196) [system] compound(_ructor)
   Exit: (196) [system] compound(_ructor)
^  Exit: (195) [user] s2tl(_ructor, _ructor)
^  Exit: (194) [user] s2t(_ructor, _ructor)
   Call: (194) [apply] apply:maplist_([_proof1, _proof2, _proof3], _1067834, user:s2t)
^  Call: (195) [user] s2t(_proof1, _1077102)
   Call: (196) [system] compound(_proof1)
   Exit: (196) [system] compound(_proof1)
   Call: (196) [system] is_list(_proof1)
^  Call: (196) [user] s2tl(_proof1, _1077102)
   Call: (197) [system] compound(_proof1)
   Exit: (197) [system] compound(_proof1)
^  Exit: (196) [user] s2tl(_proof1, _proof1)
^  Exit: (195) [user] s2t(_proof1, _proof1)
   Call: (195) [apply] apply:maplist_([_proof2, _proof3], _1077104, user:s2t)
^  Call: (196) [user] s2t(_proof2, _1086372)
   Call: (197) [system] compound(_proof2)
   Exit: (197) [system] compound(_proof2)
   Call: (197) [system] is_list(_proof2)
^  Call: (197) [user] s2tl(_proof2, _1086372)
   Call: (198) [system] compound(_proof2)
   Exit: (198) [system] compound(_proof2)
^  Exit: (197) [user] s2tl(_proof2, _proof2)
^  Exit: (196) [user] s2t(_proof2, _proof2)
   Call: (196) [apply] apply:maplist_([_proof3], _1086374, user:s2t)
^  Call: (197) [user] s2t(_proof3, _1095642)
   Call: (198) [system] compound(_proof3)
   Exit: (198) [system] compound(_proof3)
   Call: (198) [system] is_list(_proof3)
^  Call: (198) [user] s2tl(_proof3, _1095642)
   Call: (199) [system] compound(_proof3)
   Exit: (199) [system] compound(_proof3)
^  Exit: (198) [user] s2tl(_proof3, _proof3)
^  Exit: (197) [user] s2t(_proof3, _proof3)
   Call: (197) [apply] apply:maplist_([], _1095644, user:s2t)
   Exit: (197) [apply] apply:maplist_([], [], user:s2t)
   Exit: (196) [apply] apply:maplist_([_proof3], [_proof3], user:s2t)
   Exit: (195) [apply] apply:maplist_([_proof2, _proof3], [_proof2, _proof3], user:s2t)
   Exit: (194) [apply] apply:maplist_([_proof1, _proof2, _proof3], [_proof1, _proof2, _proof3], user:s2t)
   Exit: (193) [apply] apply:maplist_([_ructor, _proof1, _proof2, _proof3], [_ructor, _proof1, _proof2, _proof3], user:s2t)
^  Exit: (192) [apply] apply:maplist(user:s2t, [_ructor, _proof1, _proof2, _proof3], [_ructor, _proof1, _proof2, _proof3])
   Call: (192) [system] compound_name_arguments(_1058540, t, [_ructor, _proof1, _proof2, _proof3])
   Exit: (192) [system] compound_name_arguments(t(_ructor, _proof1, _proof2, _proof3), t, [_ructor, _proof1, _proof2, _proof3])
^  Exit: (191) [user] s2t([_ructor, _proof1, _proof2, _proof3], t(_ructor, _proof1, _proof2, _proof3))
   Call: (191) [apply] apply:maplist_([_conclusion], _1058542, user:s2t)
^  Call: (192) [user] s2t(_conclusion, _1114244)
   Call: (193) [system] compound(_conclusion)
   Exit: (193) [system] compound(_conclusion)
   Call: (193) [system] is_list(_conclusion)
^  Call: (193) [user] s2tl(_conclusion, _1114244)
   Call: (194) [system] compound(_conclusion)
   Exit: (194) [system] compound(_conclusion)
^  Exit: (193) [user] s2tl(_conclusion, _conclusion)
^  Exit: (192) [user] s2t(_conclusion, _conclusion)
   Call: (192) [apply] apply:maplist_([], _1114246, user:s2t)
   Exit: (192) [apply] apply:maplist_([], [], user:s2t)
   Exit: (191) [apply] apply:maplist_([_conclusion], [_conclusion], user:s2t)
   Exit: (190) [apply] apply:maplist_([[_ructor, _proof1, _proof2, _proof3], _conclusion], [t(_ructor, _proof1, _proof2, _proof3), _conclusion], user:s2t)
   Exit: (189) [apply] apply:maplist_([:, [_ructor, _proof1, _proof2, _proof3], _conclusion], [:, t(_ructor, _proof1, _proof2, _proof3), _conclusion], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [:, [_ructor, _proof1, _proof2, _proof3], _conclusion], [:, t(_ructor, _proof1, _proof2, _proof3), _conclusion])
   Call: (188) [system] compound_name_arguments(_1043674, t, [:, t(_ructor, _proof1, _proof2, _proof3), _conclusion])
   Exit: (188) [system] compound_name_arguments(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), t, [:, t(_ructor, _proof1, _proof2, _proof3), _conclusion])
^  Exit: (187) [user] s2t([:, [_ructor, _proof1, _proof2, _proof3], _conclusion], t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion))
   Call: (187) [apply] apply:maplist_([_query], _1043676, user:s2t)
^  Call: (188) [user] s2t(_query, _1131912)
   Call: (189) [system] compound(_query)
   Exit: (189) [system] compound(_query)
   Call: (189) [system] is_list(_query)
^  Call: (189) [user] s2tl(_query, _1131912)
   Call: (190) [system] compound(_query)
   Exit: (190) [system] compound(_query)
^  Exit: (189) [user] s2tl(_query, _query)
^  Exit: (188) [user] s2t(_query, _query)
   Call: (188) [apply] apply:maplist_([], _1131914, user:s2t)
   Exit: (188) [apply] apply:maplist_([], [], user:s2t)
   Exit: (187) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (186) [apply] apply:maplist_([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query], user:s2t)
^  Exit: (185) [apply] apply:maplist(user:s2t, [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query])
   Call: (185) [system] compound_name_arguments(_1034382, t, [t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query])
   Exit: (185) [system] compound_name_arguments(t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t, [t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query])
^  Exit: (184) [user] s2t([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query))
   Call: (184) [apply] apply:maplist_([[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _1034384, user:s2t)
^  Call: (185) [user] s2t([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _1148646)
   Call: (186) [system] compound([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Exit: (186) [system] compound([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Call: (186) [system] [:, _proof1, _premise1]==(->)
   Call: (186) [system] [:, _proof1, _premise1]=='Cons'
   Call: (186) [system] [:, _proof1, _premise1]==(=)
   Call: (186) [system] is_list([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Exit: (186) [system] is_list([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Call: (186) [user] apply:maplist(s2t, [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _1156058)
   Call: (187) [apply] apply:maplist_([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _1156058, user:s2t)
^  Call: (188) [user] s2t([:, _proof1, _premise1], _1157938)
   Call: (189) [system] compound([:, _proof1, _premise1])
   Exit: (189) [system] compound([:, _proof1, _premise1])
   Call: (189) [system] (:)==(->)
   Call: (189) [system] (:)=='Cons'
   Call: (189) [system] (:)==(=)
   Call: (189) [system] is_list([:, _proof1, _premise1])
   Exit: (189) [system] is_list([:, _proof1, _premise1])
^  Call: (189) [user] apply:maplist(s2t, [:, _proof1, _premise1], _1165350)
   Call: (190) [apply] apply:maplist_([:, _proof1, _premise1], _1165350, user:s2t)
^  Call: (191) [user] s2t(:, _1167230)
   Call: (192) [system] compound(:)
   Call: (192) [system] (:)=_1167230
   Exit: (192) [system] (:)=(:)
^  Exit: (191) [user] s2t(:, :)
   Call: (191) [apply] apply:maplist_([_proof1, _premise1], _1167232, user:s2t)
^  Call: (192) [user] s2t(_proof1, _1172804)
   Call: (193) [system] compound(_proof1)
   Exit: (193) [system] compound(_proof1)
   Call: (193) [system] is_list(_proof1)
^  Call: (193) [user] s2tl(_proof1, _1172804)
   Call: (194) [system] compound(_proof1)
   Exit: (194) [system] compound(_proof1)
^  Exit: (193) [user] s2tl(_proof1, _proof1)
^  Exit: (192) [user] s2t(_proof1, _proof1)
   Call: (192) [apply] apply:maplist_([_premise1], _1172806, user:s2t)
^  Call: (193) [user] s2t(_premise1, _1182074)
   Call: (194) [system] compound(_premise1)
   Exit: (194) [system] compound(_premise1)
   Call: (194) [system] is_list(_premise1)
^  Call: (194) [user] s2tl(_premise1, _1182074)
   Call: (195) [system] compound(_premise1)
   Exit: (195) [system] compound(_premise1)
^  Exit: (194) [user] s2tl(_premise1, _premise1)
^  Exit: (193) [user] s2t(_premise1, _premise1)
   Call: (193) [apply] apply:maplist_([], _1182076, user:s2t)
   Exit: (193) [apply] apply:maplist_([], [], user:s2t)
   Exit: (192) [apply] apply:maplist_([_premise1], [_premise1], user:s2t)
   Exit: (191) [apply] apply:maplist_([_proof1, _premise1], [_proof1, _premise1], user:s2t)
   Exit: (190) [apply] apply:maplist_([:, _proof1, _premise1], [:, _proof1, _premise1], user:s2t)
^  Exit: (189) [apply] apply:maplist(user:s2t, [:, _proof1, _premise1], [:, _proof1, _premise1])
   Call: (189) [system] compound_name_arguments(_1157938, t, [:, _proof1, _premise1])
   Exit: (189) [system] compound_name_arguments(t(:, _proof1, _premise1), t, [:, _proof1, _premise1])
^  Exit: (188) [user] s2t([:, _proof1, _premise1], t(:, _proof1, _premise1))
   Call: (188) [apply] apply:maplist_([[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _1157940, user:s2t)
^  Call: (189) [user] s2t([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _1199742)
   Call: (190) [system] compound([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Exit: (190) [system] compound([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Call: (190) [system] synthesize==(->)
   Call: (190) [system] synthesize=='Cons'
   Call: (190) [system] synthesize==(=)
   Call: (190) [system] is_list([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Exit: (190) [system] is_list([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Call: (190) [user] apply:maplist(s2t, [synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _1207154)
   Call: (191) [apply] apply:maplist_([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _1207154, user:s2t)
^  Call: (192) [user] s2t(synthesize, _1209034)
   Call: (193) [system] compound(synthesize)
   Call: (193) [system] synthesize=_1209034
   Exit: (193) [system] synthesize=synthesize
^  Exit: (192) [user] s2t(synthesize, synthesize)
   Call: (192) [apply] apply:maplist_([[:, _proof1, _premise1], _kb, _rb, _k], _1209036, user:s2t)
^  Call: (193) [user] s2t([:, _proof1, _premise1], _1214608)
   Call: (194) [system] compound([:, _proof1, _premise1])
   Exit: (194) [system] compound([:, _proof1, _premise1])
   Call: (194) [system] (:)==(->)
   Call: (194) [system] (:)=='Cons'
   Call: (194) [system] (:)==(=)
   Call: (194) [system] is_list([:, _proof1, _premise1])
   Exit: (194) [system] is_list([:, _proof1, _premise1])
^  Call: (194) [user] apply:maplist(s2t, [:, _proof1, _premise1], _1222020)
   Call: (195) [apply] apply:maplist_([:, _proof1, _premise1], _1222020, user:s2t)
^  Call: (196) [user] s2t(:, _1223900)
   Call: (197) [system] compound(:)
   Call: (197) [system] (:)=_1223900
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] s2t(:, :)
   Call: (196) [apply] apply:maplist_([_proof1, _premise1], _1223902, user:s2t)
^  Call: (197) [user] s2t(_proof1, _1229474)
   Call: (198) [system] compound(_proof1)
   Exit: (198) [system] compound(_proof1)
   Call: (198) [system] is_list(_proof1)
^  Call: (198) [user] s2tl(_proof1, _1229474)
   Call: (199) [system] compound(_proof1)
   Exit: (199) [system] compound(_proof1)
^  Exit: (198) [user] s2tl(_proof1, _proof1)
^  Exit: (197) [user] s2t(_proof1, _proof1)
   Call: (197) [apply] apply:maplist_([_premise1], _1229476, user:s2t)
^  Call: (198) [user] s2t(_premise1, _1238744)
   Call: (199) [system] compound(_premise1)
   Exit: (199) [system] compound(_premise1)
   Call: (199) [system] is_list(_premise1)
^  Call: (199) [user] s2tl(_premise1, _1238744)
   Call: (200) [system] compound(_premise1)
   Exit: (200) [system] compound(_premise1)
^  Exit: (199) [user] s2tl(_premise1, _premise1)
^  Exit: (198) [user] s2t(_premise1, _premise1)
   Call: (198) [apply] apply:maplist_([], _1238746, user:s2t)
   Exit: (198) [apply] apply:maplist_([], [], user:s2t)
   Exit: (197) [apply] apply:maplist_([_premise1], [_premise1], user:s2t)
   Exit: (196) [apply] apply:maplist_([_proof1, _premise1], [_proof1, _premise1], user:s2t)
   Exit: (195) [apply] apply:maplist_([:, _proof1, _premise1], [:, _proof1, _premise1], user:s2t)
^  Exit: (194) [apply] apply:maplist(user:s2t, [:, _proof1, _premise1], [:, _proof1, _premise1])
   Call: (194) [system] compound_name_arguments(_1214608, t, [:, _proof1, _premise1])
   Exit: (194) [system] compound_name_arguments(t(:, _proof1, _premise1), t, [:, _proof1, _premise1])
^  Exit: (193) [user] s2t([:, _proof1, _premise1], t(:, _proof1, _premise1))
   Call: (193) [apply] apply:maplist_([_kb, _rb, _k], _1214610, user:s2t)
^  Call: (194) [user] s2t(_kb, _1256412)
   Call: (195) [system] compound(_kb)
   Exit: (195) [system] compound(_kb)
   Call: (195) [system] is_list(_kb)
^  Call: (195) [user] s2tl(_kb, _1256412)
   Call: (196) [system] compound(_kb)
   Exit: (196) [system] compound(_kb)
^  Exit: (195) [user] s2tl(_kb, _kb)
^  Exit: (194) [user] s2t(_kb, _kb)
   Call: (194) [apply] apply:maplist_([_rb, _k], _1256414, user:s2t)
^  Call: (195) [user] s2t(_rb, _1265682)
   Call: (196) [system] compound(_rb)
   Exit: (196) [system] compound(_rb)
   Call: (196) [system] is_list(_rb)
^  Call: (196) [user] s2tl(_rb, _1265682)
   Call: (197) [system] compound(_rb)
   Exit: (197) [system] compound(_rb)
^  Exit: (196) [user] s2tl(_rb, _rb)
^  Exit: (195) [user] s2t(_rb, _rb)
   Call: (195) [apply] apply:maplist_([_k], _1265684, user:s2t)
^  Call: (196) [user] s2t(_k, _1274952)
   Call: (197) [system] compound(_k)
   Exit: (197) [system] compound(_k)
   Call: (197) [system] is_list(_k)
^  Call: (197) [user] s2tl(_k, _1274952)
   Call: (198) [system] compound(_k)
   Exit: (198) [system] compound(_k)
^  Exit: (197) [user] s2tl(_k, _k)
^  Exit: (196) [user] s2t(_k, _k)
   Call: (196) [apply] apply:maplist_([], _1274954, user:s2t)
   Exit: (196) [apply] apply:maplist_([], [], user:s2t)
   Exit: (195) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (194) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (192) [apply] apply:maplist_([[:, _proof1, _premise1], _kb, _rb, _k], [t(:, _proof1, _premise1), _kb, _rb, _k], user:s2t)
   Exit: (191) [apply] apply:maplist_([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k], user:s2t)
^  Exit: (190) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof1, _premise1], _kb, _rb, _k], [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
   Call: (190) [system] compound_name_arguments(_1199742, t, [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
   Exit: (190) [system] compound_name_arguments(t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k), t, [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
^  Exit: (189) [user] s2t([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k))
   Call: (189) [apply] apply:maplist_([], _1199744, user:s2t)
   Exit: (189) [apply] apply:maplist_([], [], user:s2t)
   Exit: (188) [apply] apply:maplist_([[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)], user:s2t)
   Exit: (187) [apply] apply:maplist_([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)], user:s2t)
^  Exit: (186) [apply] apply:maplist(user:s2t, [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
   Call: (186) [system] compound_name_arguments(_1148646, t, [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
   Exit: (186) [system] compound_name_arguments(t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t, [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
^  Exit: (185) [user] s2t([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)))
   Call: (185) [apply] apply:maplist_([[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _1148648, user:s2t)
^  Call: (186) [user] s2t([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _1301952)
   Call: (187) [system] compound([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Exit: (187) [system] compound([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Call: (187) [system] [:, _proof2, _premise2]==(->)
   Call: (187) [system] [:, _proof2, _premise2]=='Cons'
   Call: (187) [system] [:, _proof2, _premise2]==(=)
   Call: (187) [system] is_list([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Exit: (187) [system] is_list([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Call: (187) [user] apply:maplist(s2t, [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _1309364)
   Call: (188) [apply] apply:maplist_([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _1309364, user:s2t)
^  Call: (189) [user] s2t([:, _proof2, _premise2], _1311244)
   Call: (190) [system] compound([:, _proof2, _premise2])
   Exit: (190) [system] compound([:, _proof2, _premise2])
   Call: (190) [system] (:)==(->)
   Call: (190) [system] (:)=='Cons'
   Call: (190) [system] (:)==(=)
   Call: (190) [system] is_list([:, _proof2, _premise2])
   Exit: (190) [system] is_list([:, _proof2, _premise2])
^  Call: (190) [user] apply:maplist(s2t, [:, _proof2, _premise2], _1318656)
   Call: (191) [apply] apply:maplist_([:, _proof2, _premise2], _1318656, user:s2t)
^  Call: (192) [user] s2t(:, _1320536)
   Call: (193) [system] compound(:)
   Call: (193) [system] (:)=_1320536
   Exit: (193) [system] (:)=(:)
^  Exit: (192) [user] s2t(:, :)
   Call: (192) [apply] apply:maplist_([_proof2, _premise2], _1320538, user:s2t)
^  Call: (193) [user] s2t(_proof2, _1326110)
   Call: (194) [system] compound(_proof2)
   Exit: (194) [system] compound(_proof2)
   Call: (194) [system] is_list(_proof2)
^  Call: (194) [user] s2tl(_proof2, _1326110)
   Call: (195) [system] compound(_proof2)
   Exit: (195) [system] compound(_proof2)
^  Exit: (194) [user] s2tl(_proof2, _proof2)
^  Exit: (193) [user] s2t(_proof2, _proof2)
   Call: (193) [apply] apply:maplist_([_premise2], _1326112, user:s2t)
^  Call: (194) [user] s2t(_premise2, _1335380)
   Call: (195) [system] compound(_premise2)
   Exit: (195) [system] compound(_premise2)
   Call: (195) [system] is_list(_premise2)
^  Call: (195) [user] s2tl(_premise2, _1335380)
   Call: (196) [system] compound(_premise2)
   Exit: (196) [system] compound(_premise2)
^  Exit: (195) [user] s2tl(_premise2, _premise2)
^  Exit: (194) [user] s2t(_premise2, _premise2)
   Call: (194) [apply] apply:maplist_([], _1335382, user:s2t)
   Exit: (194) [apply] apply:maplist_([], [], user:s2t)
   Exit: (193) [apply] apply:maplist_([_premise2], [_premise2], user:s2t)
   Exit: (192) [apply] apply:maplist_([_proof2, _premise2], [_proof2, _premise2], user:s2t)
   Exit: (191) [apply] apply:maplist_([:, _proof2, _premise2], [:, _proof2, _premise2], user:s2t)
^  Exit: (190) [apply] apply:maplist(user:s2t, [:, _proof2, _premise2], [:, _proof2, _premise2])
   Call: (190) [system] compound_name_arguments(_1311244, t, [:, _proof2, _premise2])
   Exit: (190) [system] compound_name_arguments(t(:, _proof2, _premise2), t, [:, _proof2, _premise2])
^  Exit: (189) [user] s2t([:, _proof2, _premise2], t(:, _proof2, _premise2))
   Call: (189) [apply] apply:maplist_([[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _1311246, user:s2t)
^  Call: (190) [user] s2t([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _1353048)
   Call: (191) [system] compound([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Exit: (191) [system] compound([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Call: (191) [system] synthesize==(->)
   Call: (191) [system] synthesize=='Cons'
   Call: (191) [system] synthesize==(=)
   Call: (191) [system] is_list([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Exit: (191) [system] is_list([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Call: (191) [user] apply:maplist(s2t, [synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _1360460)
   Call: (192) [apply] apply:maplist_([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _1360460, user:s2t)
^  Call: (193) [user] s2t(synthesize, _1362340)
   Call: (194) [system] compound(synthesize)
   Call: (194) [system] synthesize=_1362340
   Exit: (194) [system] synthesize=synthesize
^  Exit: (193) [user] s2t(synthesize, synthesize)
   Call: (193) [apply] apply:maplist_([[:, _proof2, _premise2], _kb, _rb, _k], _1362342, user:s2t)
^  Call: (194) [user] s2t([:, _proof2, _premise2], _1367914)
   Call: (195) [system] compound([:, _proof2, _premise2])
   Exit: (195) [system] compound([:, _proof2, _premise2])
   Call: (195) [system] (:)==(->)
   Call: (195) [system] (:)=='Cons'
   Call: (195) [system] (:)==(=)
   Call: (195) [system] is_list([:, _proof2, _premise2])
   Exit: (195) [system] is_list([:, _proof2, _premise2])
^  Call: (195) [user] apply:maplist(s2t, [:, _proof2, _premise2], _1375326)
   Call: (196) [apply] apply:maplist_([:, _proof2, _premise2], _1375326, user:s2t)
^  Call: (197) [user] s2t(:, _1377206)
   Call: (198) [system] compound(:)
   Call: (198) [system] (:)=_1377206
   Exit: (198) [system] (:)=(:)
^  Exit: (197) [user] s2t(:, :)
   Call: (197) [apply] apply:maplist_([_proof2, _premise2], _1377208, user:s2t)
^  Call: (198) [user] s2t(_proof2, _1382780)
   Call: (199) [system] compound(_proof2)
   Exit: (199) [system] compound(_proof2)
   Call: (199) [system] is_list(_proof2)
^  Call: (199) [user] s2tl(_proof2, _1382780)
   Call: (200) [system] compound(_proof2)
   Exit: (200) [system] compound(_proof2)
^  Exit: (199) [user] s2tl(_proof2, _proof2)
^  Exit: (198) [user] s2t(_proof2, _proof2)
   Call: (198) [apply] apply:maplist_([_premise2], _1382782, user:s2t)
^  Call: (199) [user] s2t(_premise2, _1392050)
   Call: (200) [system] compound(_premise2)
   Exit: (200) [system] compound(_premise2)
   Call: (200) [system] is_list(_premise2)
^  Call: (200) [user] s2tl(_premise2, _1392050)
   Call: (201) [system] compound(_premise2)
   Exit: (201) [system] compound(_premise2)
^  Exit: (200) [user] s2tl(_premise2, _premise2)
^  Exit: (199) [user] s2t(_premise2, _premise2)
   Call: (199) [apply] apply:maplist_([], _1392052, user:s2t)
   Exit: (199) [apply] apply:maplist_([], [], user:s2t)
   Exit: (198) [apply] apply:maplist_([_premise2], [_premise2], user:s2t)
   Exit: (197) [apply] apply:maplist_([_proof2, _premise2], [_proof2, _premise2], user:s2t)
   Exit: (196) [apply] apply:maplist_([:, _proof2, _premise2], [:, _proof2, _premise2], user:s2t)
^  Exit: (195) [apply] apply:maplist(user:s2t, [:, _proof2, _premise2], [:, _proof2, _premise2])
   Call: (195) [system] compound_name_arguments(_1367914, t, [:, _proof2, _premise2])
   Exit: (195) [system] compound_name_arguments(t(:, _proof2, _premise2), t, [:, _proof2, _premise2])
^  Exit: (194) [user] s2t([:, _proof2, _premise2], t(:, _proof2, _premise2))
   Call: (194) [apply] apply:maplist_([_kb, _rb, _k], _1367916, user:s2t)
^  Call: (195) [user] s2t(_kb, _1409718)
   Call: (196) [system] compound(_kb)
   Exit: (196) [system] compound(_kb)
   Call: (196) [system] is_list(_kb)
^  Call: (196) [user] s2tl(_kb, _1409718)
   Call: (197) [system] compound(_kb)
   Exit: (197) [system] compound(_kb)
^  Exit: (196) [user] s2tl(_kb, _kb)
^  Exit: (195) [user] s2t(_kb, _kb)
   Call: (195) [apply] apply:maplist_([_rb, _k], _1409720, user:s2t)
^  Call: (196) [user] s2t(_rb, _1418988)
   Call: (197) [system] compound(_rb)
   Exit: (197) [system] compound(_rb)
   Call: (197) [system] is_list(_rb)
^  Call: (197) [user] s2tl(_rb, _1418988)
   Call: (198) [system] compound(_rb)
   Exit: (198) [system] compound(_rb)
^  Exit: (197) [user] s2tl(_rb, _rb)
^  Exit: (196) [user] s2t(_rb, _rb)
   Call: (196) [apply] apply:maplist_([_k], _1418990, user:s2t)
^  Call: (197) [user] s2t(_k, _1428258)
   Call: (198) [system] compound(_k)
   Exit: (198) [system] compound(_k)
   Call: (198) [system] is_list(_k)
^  Call: (198) [user] s2tl(_k, _1428258)
   Call: (199) [system] compound(_k)
   Exit: (199) [system] compound(_k)
^  Exit: (198) [user] s2tl(_k, _k)
^  Exit: (197) [user] s2t(_k, _k)
   Call: (197) [apply] apply:maplist_([], _1428260, user:s2t)
   Exit: (197) [apply] apply:maplist_([], [], user:s2t)
   Exit: (196) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (195) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (194) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([[:, _proof2, _premise2], _kb, _rb, _k], [t(:, _proof2, _premise2), _kb, _rb, _k], user:s2t)
   Exit: (192) [apply] apply:maplist_([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k], user:s2t)
^  Exit: (191) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof2, _premise2], _kb, _rb, _k], [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
   Call: (191) [system] compound_name_arguments(_1353048, t, [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
   Exit: (191) [system] compound_name_arguments(t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k), t, [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
^  Exit: (190) [user] s2t([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))
   Call: (190) [apply] apply:maplist_([], _1353050, user:s2t)
   Exit: (190) [apply] apply:maplist_([], [], user:s2t)
   Exit: (189) [apply] apply:maplist_([[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)], user:s2t)
   Exit: (188) [apply] apply:maplist_([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)], user:s2t)
^  Exit: (187) [apply] apply:maplist(user:s2t, [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
   Call: (187) [system] compound_name_arguments(_1301952, t, [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
   Exit: (187) [system] compound_name_arguments(t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t, [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
^  Exit: (186) [user] s2t([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)))
   Call: (186) [apply] apply:maplist_([[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _1301954, user:s2t)
^  Call: (187) [user] s2t([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _1455258)
   Call: (188) [system] compound([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Exit: (188) [system] compound([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Call: (188) [system] [:, _proof3, _premise3]==(->)
   Call: (188) [system] [:, _proof3, _premise3]=='Cons'
   Call: (188) [system] [:, _proof3, _premise3]==(=)
   Call: (188) [system] is_list([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Exit: (188) [system] is_list([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Call: (188) [user] apply:maplist(s2t, [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _1462670)
   Call: (189) [apply] apply:maplist_([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _1462670, user:s2t)
^  Call: (190) [user] s2t([:, _proof3, _premise3], _1464550)
   Call: (191) [system] compound([:, _proof3, _premise3])
   Exit: (191) [system] compound([:, _proof3, _premise3])
   Call: (191) [system] (:)==(->)
   Call: (191) [system] (:)=='Cons'
   Call: (191) [system] (:)==(=)
   Call: (191) [system] is_list([:, _proof3, _premise3])
   Exit: (191) [system] is_list([:, _proof3, _premise3])
^  Call: (191) [user] apply:maplist(s2t, [:, _proof3, _premise3], _1471962)
   Call: (192) [apply] apply:maplist_([:, _proof3, _premise3], _1471962, user:s2t)
^  Call: (193) [user] s2t(:, _1473842)
   Call: (194) [system] compound(:)
   Call: (194) [system] (:)=_1473842
   Exit: (194) [system] (:)=(:)
^  Exit: (193) [user] s2t(:, :)
   Call: (193) [apply] apply:maplist_([_proof3, _premise3], _1473844, user:s2t)
^  Call: (194) [user] s2t(_proof3, _1479416)
   Call: (195) [system] compound(_proof3)
   Exit: (195) [system] compound(_proof3)
   Call: (195) [system] is_list(_proof3)
^  Call: (195) [user] s2tl(_proof3, _1479416)
   Call: (196) [system] compound(_proof3)
   Exit: (196) [system] compound(_proof3)
^  Exit: (195) [user] s2tl(_proof3, _proof3)
^  Exit: (194) [user] s2t(_proof3, _proof3)
   Call: (194) [apply] apply:maplist_([_premise3], _1479418, user:s2t)
^  Call: (195) [user] s2t(_premise3, _1488686)
   Call: (196) [system] compound(_premise3)
   Exit: (196) [system] compound(_premise3)
   Call: (196) [system] is_list(_premise3)
^  Call: (196) [user] s2tl(_premise3, _1488686)
   Call: (197) [system] compound(_premise3)
   Exit: (197) [system] compound(_premise3)
^  Exit: (196) [user] s2tl(_premise3, _premise3)
^  Exit: (195) [user] s2t(_premise3, _premise3)
   Call: (195) [apply] apply:maplist_([], _1488688, user:s2t)
   Exit: (195) [apply] apply:maplist_([], [], user:s2t)
   Exit: (194) [apply] apply:maplist_([_premise3], [_premise3], user:s2t)
   Exit: (193) [apply] apply:maplist_([_proof3, _premise3], [_proof3, _premise3], user:s2t)
   Exit: (192) [apply] apply:maplist_([:, _proof3, _premise3], [:, _proof3, _premise3], user:s2t)
^  Exit: (191) [apply] apply:maplist(user:s2t, [:, _proof3, _premise3], [:, _proof3, _premise3])
   Call: (191) [system] compound_name_arguments(_1464550, t, [:, _proof3, _premise3])
   Exit: (191) [system] compound_name_arguments(t(:, _proof3, _premise3), t, [:, _proof3, _premise3])
^  Exit: (190) [user] s2t([:, _proof3, _premise3], t(:, _proof3, _premise3))
   Call: (190) [apply] apply:maplist_([[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _1464552, user:s2t)
^  Call: (191) [user] s2t([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], _1506354)
   Call: (192) [system] compound([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
   Exit: (192) [system] compound([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
   Call: (192) [system] synthesize==(->)
   Call: (192) [system] synthesize=='Cons'
   Call: (192) [system] synthesize==(=)
   Call: (192) [system] is_list([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
   Exit: (192) [system] is_list([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Call: (192) [user] apply:maplist(s2t, [synthesize, [:, _proof3, _premise3], _kb, _rb, _k], _1513766)
   Call: (193) [apply] apply:maplist_([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], _1513766, user:s2t)
^  Call: (194) [user] s2t(synthesize, _1515646)
   Call: (195) [system] compound(synthesize)
   Call: (195) [system] synthesize=_1515646
   Exit: (195) [system] synthesize=synthesize
^  Exit: (194) [user] s2t(synthesize, synthesize)
   Call: (194) [apply] apply:maplist_([[:, _proof3, _premise3], _kb, _rb, _k], _1515648, user:s2t)
^  Call: (195) [user] s2t([:, _proof3, _premise3], _1521220)
   Call: (196) [system] compound([:, _proof3, _premise3])
   Exit: (196) [system] compound([:, _proof3, _premise3])
   Call: (196) [system] (:)==(->)
   Call: (196) [system] (:)=='Cons'
   Call: (196) [system] (:)==(=)
   Call: (196) [system] is_list([:, _proof3, _premise3])
   Exit: (196) [system] is_list([:, _proof3, _premise3])
^  Call: (196) [user] apply:maplist(s2t, [:, _proof3, _premise3], _1528632)
   Call: (197) [apply] apply:maplist_([:, _proof3, _premise3], _1528632, user:s2t)
^  Call: (198) [user] s2t(:, _1530512)
   Call: (199) [system] compound(:)
   Call: (199) [system] (:)=_1530512
   Exit: (199) [system] (:)=(:)
^  Exit: (198) [user] s2t(:, :)
   Call: (198) [apply] apply:maplist_([_proof3, _premise3], _1530514, user:s2t)
^  Call: (199) [user] s2t(_proof3, _1536086)
   Call: (200) [system] compound(_proof3)
   Exit: (200) [system] compound(_proof3)
   Call: (200) [system] is_list(_proof3)
^  Call: (200) [user] s2tl(_proof3, _1536086)
   Call: (201) [system] compound(_proof3)
   Exit: (201) [system] compound(_proof3)
^  Exit: (200) [user] s2tl(_proof3, _proof3)
^  Exit: (199) [user] s2t(_proof3, _proof3)
   Call: (199) [apply] apply:maplist_([_premise3], _1536088, user:s2t)
^  Call: (200) [user] s2t(_premise3, _1545356)
   Call: (201) [system] compound(_premise3)
   Exit: (201) [system] compound(_premise3)
   Call: (201) [system] is_list(_premise3)
^  Call: (201) [user] s2tl(_premise3, _1545356)
   Call: (202) [system] compound(_premise3)
   Exit: (202) [system] compound(_premise3)
^  Exit: (201) [user] s2tl(_premise3, _premise3)
^  Exit: (200) [user] s2t(_premise3, _premise3)
   Call: (200) [apply] apply:maplist_([], _1545358, user:s2t)
   Exit: (200) [apply] apply:maplist_([], [], user:s2t)
   Exit: (199) [apply] apply:maplist_([_premise3], [_premise3], user:s2t)
   Exit: (198) [apply] apply:maplist_([_proof3, _premise3], [_proof3, _premise3], user:s2t)
   Exit: (197) [apply] apply:maplist_([:, _proof3, _premise3], [:, _proof3, _premise3], user:s2t)
^  Exit: (196) [apply] apply:maplist(user:s2t, [:, _proof3, _premise3], [:, _proof3, _premise3])
   Call: (196) [system] compound_name_arguments(_1521220, t, [:, _proof3, _premise3])
   Exit: (196) [system] compound_name_arguments(t(:, _proof3, _premise3), t, [:, _proof3, _premise3])
^  Exit: (195) [user] s2t([:, _proof3, _premise3], t(:, _proof3, _premise3))
   Call: (195) [apply] apply:maplist_([_kb, _rb, _k], _1521222, user:s2t)
^  Call: (196) [user] s2t(_kb, _1563024)
   Call: (197) [system] compound(_kb)
   Exit: (197) [system] compound(_kb)
   Call: (197) [system] is_list(_kb)
^  Call: (197) [user] s2tl(_kb, _1563024)
   Call: (198) [system] compound(_kb)
   Exit: (198) [system] compound(_kb)
^  Exit: (197) [user] s2tl(_kb, _kb)
^  Exit: (196) [user] s2t(_kb, _kb)
   Call: (196) [apply] apply:maplist_([_rb, _k], _1563026, user:s2t)
^  Call: (197) [user] s2t(_rb, _1572294)
   Call: (198) [system] compound(_rb)
   Exit: (198) [system] compound(_rb)
   Call: (198) [system] is_list(_rb)
^  Call: (198) [user] s2tl(_rb, _1572294)
   Call: (199) [system] compound(_rb)
   Exit: (199) [system] compound(_rb)
^  Exit: (198) [user] s2tl(_rb, _rb)
^  Exit: (197) [user] s2t(_rb, _rb)
   Call: (197) [apply] apply:maplist_([_k], _1572296, user:s2t)
^  Call: (198) [user] s2t(_k, _1581564)
   Call: (199) [system] compound(_k)
   Exit: (199) [system] compound(_k)
   Call: (199) [system] is_list(_k)
^  Call: (199) [user] s2tl(_k, _1581564)
   Call: (200) [system] compound(_k)
   Exit: (200) [system] compound(_k)
^  Exit: (199) [user] s2tl(_k, _k)
^  Exit: (198) [user] s2t(_k, _k)
   Call: (198) [apply] apply:maplist_([], _1581566, user:s2t)
   Exit: (198) [apply] apply:maplist_([], [], user:s2t)
   Exit: (197) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (196) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (195) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (194) [apply] apply:maplist_([[:, _proof3, _premise3], _kb, _rb, _k], [t(:, _proof3, _premise3), _kb, _rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k], user:s2t)
^  Exit: (192) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof3, _premise3], _kb, _rb, _k], [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k])
   Call: (192) [system] compound_name_arguments(_1506354, t, [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k])
   Exit: (192) [system] compound_name_arguments(t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k), t, [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k])
^  Exit: (191) [user] s2t([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))
   Call: (191) [apply] apply:maplist_([], _1506356, user:s2t)
   Exit: (191) [apply] apply:maplist_([], [], user:s2t)
   Exit: (190) [apply] apply:maplist_([[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)], user:s2t)
   Exit: (189) [apply] apply:maplist_([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)])
   Call: (188) [system] compound_name_arguments(_1455258, t, [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)])
   Exit: (188) [system] compound_name_arguments(t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t, [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)])
^  Exit: (187) [user] s2t([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)))
   Call: (187) [apply] apply:maplist_([], _1455260, user:s2t)
   Exit: (187) [apply] apply:maplist_([], [], user:s2t)
   Exit: (186) [apply] apply:maplist_([[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], [t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))], user:s2t)
   Exit: (185) [apply] apply:maplist_([[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], [t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))], user:s2t)
   Exit: (184) [apply] apply:maplist_([[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], [t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))], user:s2t)
   Exit: (183) [apply] apply:maplist_([[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], [t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))], user:s2t)
   Exit: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))], user:s2t)
^  Exit: (181) [apply] apply:maplist(user:s2t, [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))])
   Call: (181) [system] compound_name_arguments(_889532, t, [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))])
   Exit: (181) [system] compound_name_arguments(t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), t, [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))])
^  Exit: (180) [user] s2t([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))))
   Call: (180) [apply] apply:maplist_([_query], _889534, user:s2t)
^  Call: (181) [user] s2t(_query, _1618830)
   Call: (182) [system] compound(_query)
   Exit: (182) [system] compound(_query)
   Call: (182) [system] is_list(_query)
^  Call: (182) [user] s2tl(_query, _1618830)
   Call: (183) [system] compound(_query)
   Exit: (183) [system] compound(_query)
^  Exit: (182) [user] s2tl(_query, _query)
^  Exit: (181) [user] s2t(_query, _query)
   Call: (181) [apply] apply:maplist_([], _1618832, user:s2t)
   Exit: (181) [apply] apply:maplist_([], [], user:s2t)
   Exit: (180) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], [t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query], user:s2t)
   Exit: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query], user:s2t)
^  Exit: (177) [apply] apply:maplist(user:s2t, ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query])
   Call: (177) [system] compound_name_arguments(_874666, t, ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query])
   Exit: (177) [system] compound_name_arguments(t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query), t, ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query])
^  Exit: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query))
^  Call: (176) [user] s2tl([], _874668)
   Call: (177) [system] compound([])
   Call: (177) [system] []=_874668
   Exit: (177) [system] []=[]
^  Exit: (176) [user] s2tl([], [])
^  Exit: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)])
^  Exit: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)])
^  Exit: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)])
^  Exit: (172) [user] s2t_iz(me_synthesize_1727481849_9551582, me_synthesize_1727481849_9551582, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)])
^  Call: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)], _1643920)
   Call: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)])
   Exit: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)])
   Call: (173) [system] _1643920=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)]
   Exit: (173) [system] [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)]=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)]
^  Exit: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)])
   Call: (172) [system] _1649482=..[me_synthesize_1727481849_9551582, 116, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)]
   Exit: (172) [system] me_synthesize_1727481849_9551582(116, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query))=..[me_synthesize_1727481849_9551582, 116, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)]
^  Call: (172) [user] format((0x55772f06bcd0), "~q.~n", [me_synthesize_1727481849_9551582(116, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query))])
^  Exit: (172) [user] format((0x55772f06bcd0), "~q.~n", [me_synthesize_1727481849_9551582(116, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query))])
^  Exit: (171) [user] write_metta_datalog_term((0x55772f06bcd0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], me_synthesize_1727481849_9551582, 116)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]), 116]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 24, 24+1), write_metta_datalog_term((0x55772f06bcd0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], me_synthesize_1727481849_9551582, 116)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x55772f068e50))
   Fail: (169) [system] at_end_of_stream((0x55772f068e50))
^  Call: (169) [user] must_det_ll(line_count((0x55772f068e50), _3074))
^  Call: (170) [user] once(user:line_count((0x55772f068e50), _3074))
   Call: (171) [system] line_count((0x55772f068e50), _3074)
   Exit: (171) [system] line_count((0x55772f068e50), 117)
^  Exit: (170) [system] once(user:line_count((0x55772f068e50), 117))
^  Exit: (169) [user] must_det_ll(user:line_count((0x55772f068e50), 117))
^  Call: (169) [user] must_det_ll(read_sform((0x55772f068e50), _3084))
^  Call: (170) [user] once(user:read_sform((0x55772f068e50), _3084))
^  Call: (171) [user] read_sform((0x55772f068e50), _3084)
   Call: (172) [system] string((0x55772f068e50))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (173) [system] string((0x55772f068e50))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (174) [system] at_end_of_stream((0x55772f068e50))
   Call: (174) [system] peek_char((0x55772f068e50), _1674674)
   Exit: (174) [system] peek_char((0x55772f068e50), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x55772f068e50), '\n')
   Exit: (174) [system] get_char((0x55772f068e50), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), _3084)
   Call: (175) [system] at_end_of_stream((0x55772f068e50))
   Call: (175) [system] peek_char((0x55772f068e50), _1682096)
   Exit: (175) [system] peek_char((0x55772f068e50), '\n')
   Call: (175) [system] char_type('\n', space)
   Exit: (175) [system] char_type('\n', space)
   Call: (175) [system] get_char((0x55772f068e50), '\n')
   Exit: (175) [system] get_char((0x55772f068e50), '\n')
^  Call: (175) [user] parse_sexpr_metta_IO((0x55772f068e50), _3084)
   Call: (176) [system] at_end_of_stream((0x55772f068e50))
   Call: (176) [system] peek_char((0x55772f068e50), _1689518)
   Exit: (176) [system] peek_char((0x55772f068e50), '\n')
   Call: (176) [system] char_type('\n', space)
   Exit: (176) [system] char_type('\n', space)
   Call: (176) [system] get_char((0x55772f068e50), '\n')
   Exit: (176) [system] get_char((0x55772f068e50), '\n')
^  Call: (176) [user] parse_sexpr_metta_IO((0x55772f068e50), _3084)
   Call: (177) [system] at_end_of_stream((0x55772f068e50))
   Call: (177) [system] peek_char((0x55772f068e50), _1696940)
   Exit: (177) [system] peek_char((0x55772f068e50), !)
   Call: (177) [system] char_type(!, space)
^  Call: (177) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (178) [system] string((0x55772f068e50))
^  Exit: (177) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (177) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (178) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (179) [system] at_end_of_stream((0x55772f068e50))
   Call: (179) [system] peek_char((0x55772f068e50), _1705278)
   Exit: (179) [system] peek_char((0x55772f068e50), !)
   Call: (179) [system] char_type(!, space)
   Call: (179) [system] _1708064=(0x55772f068e50)
   Exit: (179) [system] (0x55772f068e50)=(0x55772f068e50)
^  Call: (179) [user] once((read_position((0x55772f068e50), _1709932, _1709934, _1709936, _1709938), read_sexpr((0x55772f068e50), _1709950), assertz(metta_file_comment(_1709932, _1709934, _1709936, _1709950, _1709938))))
^  Call: (181) [user] read_position((0x55772f068e50), _1709932, _1709934, _1709936, _1709938)
   Call: (182) [system] stream_property((0x55772f068e50), position(_1709938))
   Call: (183) [system] nonvar((0x55772f068e50))
   Exit: (183) [system] nonvar((0x55772f068e50))
   Call: (183) [system] nonvar(position(_1709938))
   Exit: (183) [system] nonvar(position(_1709938))
   Exit: (182) [system] stream_property((0x55772f068e50), position('$stream_position'(4924, 120, 0, 4924)))
   Call: (182) [$syspreds] stream_position_data(line_count, '$stream_position'(4924, 120, 0, 4924), _1709932)
   Call: (183) [system] nonvar(line_count)
   Exit: (183) [system] nonvar(line_count)
   Call: (183) [$syspreds] stream_position_field(line_count, _1720190)
   Exit: (183) [$syspreds] stream_position_field(line_count, 2)
   Call: (183) [system] arg(2, '$stream_position'(4924, 120, 0, 4924), _1709932)
   Exit: (183) [system] arg(2, '$stream_position'(4924, 120, 0, 4924), 120)
   Exit: (182) [$syspreds] stream_position_data(line_count, '$stream_position'(4924, 120, 0, 4924), 120)
   Call: (182) [$syspreds] stream_position_data(line_position, '$stream_position'(4924, 120, 0, 4924), _1709934)
   Call: (183) [system] nonvar(line_position)
   Exit: (183) [system] nonvar(line_position)
   Call: (183) [$syspreds] stream_position_field(line_position, _1727624)
   Exit: (183) [$syspreds] stream_position_field(line_position, 3)
   Call: (183) [system] arg(3, '$stream_position'(4924, 120, 0, 4924), _1709934)
   Exit: (183) [system] arg(3, '$stream_position'(4924, 120, 0, 4924), 0)
   Exit: (182) [$syspreds] stream_position_data(line_position, '$stream_position'(4924, 120, 0, 4924), 0)
   Call: (182) [$syspreds] stream_position_data(char_count, '$stream_position'(4924, 120, 0, 4924), _1709936)
   Call: (183) [system] nonvar(char_count)
   Exit: (183) [system] nonvar(char_count)
   Call: (183) [$syspreds] stream_position_field(char_count, _1735058)
   Exit: (183) [$syspreds] stream_position_field(char_count, 1)
   Call: (183) [system] arg(1, '$stream_position'(4924, 120, 0, 4924), _1709936)
   Exit: (183) [system] arg(1, '$stream_position'(4924, 120, 0, 4924), 4924)
   Exit: (182) [$syspreds] stream_position_data(char_count, '$stream_position'(4924, 120, 0, 4924), 4924)
^  Exit: (181) [user] read_position((0x55772f068e50), 120, 0, 4924, '$stream_position'(4924, 120, 0, 4924))
^  Call: (181) [user] read_sexpr((0x55772f068e50), _1709950)
   Call: (182) [system] string((0x55772f068e50))
   Fail: (182) [system] string((0x55772f068e50))
^  Call: (182) [user] cont_sexpr(')', (0x55772f068e50), _1709950)
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _1745284)
   Exit: (184) [system] peek_char((0x55772f068e50), !)
   Call: (184) [system] !=(;)
   Fail: (184) [system] !=(;)
   Call: (184) [system] !=(/)
   Fail: (184) [system] !=(/)
^  Call: (184) [user] is_like_space(!)
   Call: (185) [system] char_type(!, 'white')
   Fail: (185) [system] char_type(!, 'white')
   Call: (185) [system] char_type(!, end_of_line)
   Fail: (185) [system] char_type(!, end_of_line)
   Call: (185) [system] char_type(!, space)
   Fail: (185) [system] char_type(!, space)
   Call: (185) [system] char_type(!, cntrl)
   Fail: (185) [system] char_type(!, cntrl)
^  Fail: (184) [user] is_like_space(!)
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] get_char((0x55772f068e50), _1761294)
   Exit: (183) [system] get_char((0x55772f068e50), !)
   Call: (183) [system] !='('
   Fail: (183) [system] !='('
   Call: (183) [system] !='['
   Fail: (183) [system] !='['
   Call: (183) [system] !='{'
   Fail: (183) [system] !='{'
   Call: (183) [system] !='"'
   Fail: (183) [system] !='"'
   Call: (183) [system] !=!
   Exit: (183) [system] !=!
^  Call: (183) [user] read_sexpr((0x55772f068e50), _1772432)
   Call: (184) [system] string((0x55772f068e50))
   Fail: (184) [system] string((0x55772f068e50))
^  Call: (184) [user] cont_sexpr(')', (0x55772f068e50), _1772432)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1777066)
   Exit: (186) [system] peek_char((0x55772f068e50), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] get_char((0x55772f068e50), _1793076)
   Exit: (185) [system] get_char((0x55772f068e50), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x55772f068e50), _1772432)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _1798646)
   Exit: (187) [system] peek_char((0x55772f068e50), a)
   Call: (187) [system] a=(;)
   Fail: (187) [system] a=(;)
   Call: (187) [system] a=(/)
   Fail: (187) [system] a=(/)
^  Call: (187) [user] is_like_space(a)
   Call: (188) [system] char_type(a, 'white')
   Fail: (188) [system] char_type(a, 'white')
   Call: (188) [system] char_type(a, end_of_line)
   Fail: (188) [system] char_type(a, end_of_line)
   Call: (188) [system] char_type(a, space)
   Fail: (188) [system] char_type(a, space)
   Call: (188) [system] char_type(a, cntrl)
   Fail: (188) [system] char_type(a, cntrl)
^  Fail: (187) [user] is_like_space(a)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1814656)
   Exit: (186) [system] peek_char((0x55772f068e50), a)
   Call: (186) [system] a=')'
   Fail: (186) [system] a=')'
   Call: (186) [system] a=end_of_file
   Fail: (186) [system] a=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x55772f068e50), _1820226)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1822084)
   Exit: (188) [system] peek_char((0x55772f068e50), a)
   Call: (188) [system] a=(;)
   Fail: (188) [system] a=(;)
   Call: (188) [system] a=(/)
   Fail: (188) [system] a=(/)
^  Call: (188) [user] is_like_space(a)
   Call: (189) [system] char_type(a, 'white')
   Fail: (189) [system] char_type(a, 'white')
   Call: (189) [system] char_type(a, end_of_line)
   Fail: (189) [system] char_type(a, end_of_line)
   Call: (189) [system] char_type(a, space)
   Fail: (189) [system] char_type(a, space)
   Call: (189) [system] char_type(a, cntrl)
   Fail: (189) [system] char_type(a, cntrl)
^  Fail: (188) [user] is_like_space(a)
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] get_char((0x55772f068e50), _1838094)
   Exit: (187) [system] get_char((0x55772f068e50), a)
   Call: (187) [system] a='('
   Fail: (187) [system] a='('
   Call: (187) [system] a='['
   Fail: (187) [system] a='['
   Call: (187) [system] a='{'
   Fail: (187) [system] a='{'
   Call: (187) [system] a='"'
   Fail: (187) [system] a='"'
   Call: (187) [system] a=!
   Fail: (187) [system] a=!
   Call: (187) [system] a='\''
   Fail: (187) [system] a='\''
   Call: (187) [system] a='`'
   Fail: (187) [system] a='`'
   Call: (187) [system] a=end_of_file
   Fail: (187) [system] a=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x55772f068e50), a, _1820226)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _1855736)
   Call: (189) [system] peek_char((0x55772f068e50), _1856670)
   Exit: (189) [system] peek_char((0x55772f068e50), s)
^  Call: (189) [user] is_delimiter(s)
   Call: (190) [system] char_type(s, space)
   Fail: (190) [system] char_type(s, space)
   Call: (190) [system] arg(_1861390, v('(', ')', end_of_file), s)
   Fail: (190) [system] arg(_1862322, v('(', ')', end_of_file), s)
^  Fail: (189) [user] is_delimiter(s)
   Call: (189) [system] ')'==s
   Fail: (189) [system] ')'==s
   Call: (189) [system] get_char((0x55772f068e50), s)
   Exit: (189) [system] get_char((0x55772f068e50), s)
   Call: (189) [system] s=(\)
   Fail: (189) [system] s=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _1869672)
   Call: (190) [system] peek_char((0x55772f068e50), _1870606)
   Exit: (190) [system] peek_char((0x55772f068e50), s)
^  Call: (190) [user] is_delimiter(s)
   Call: (191) [system] char_type(s, space)
   Fail: (191) [system] char_type(s, space)
   Call: (191) [system] arg(_1875326, v('(', ')', end_of_file), s)
   Fail: (191) [system] arg(_1876258, v('(', ')', end_of_file), s)
^  Fail: (190) [user] is_delimiter(s)
   Call: (190) [system] ')'==s
   Fail: (190) [system] ')'==s
   Call: (190) [system] get_char((0x55772f068e50), s)
   Exit: (190) [system] get_char((0x55772f068e50), s)
   Call: (190) [system] s=(\)
   Fail: (190) [system] s=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _1883608)
   Call: (191) [system] peek_char((0x55772f068e50), _1884542)
   Exit: (191) [system] peek_char((0x55772f068e50), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Fail: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_1889262, v('(', ')', end_of_file), e)
   Fail: (192) [system] arg(_1890194, v('(', ')', end_of_file), e)
^  Fail: (191) [user] is_delimiter(e)
   Call: (191) [system] ')'==e
   Fail: (191) [system] ')'==e
   Call: (191) [system] get_char((0x55772f068e50), e)
   Exit: (191) [system] get_char((0x55772f068e50), e)
   Call: (191) [system] e=(\)
   Fail: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _1897544)
   Call: (192) [system] peek_char((0x55772f068e50), _1898478)
   Exit: (192) [system] peek_char((0x55772f068e50), r)
^  Call: (192) [user] is_delimiter(r)
   Call: (193) [system] char_type(r, space)
   Fail: (193) [system] char_type(r, space)
   Call: (193) [system] arg(_1903198, v('(', ')', end_of_file), r)
   Fail: (193) [system] arg(_1904130, v('(', ')', end_of_file), r)
^  Fail: (192) [user] is_delimiter(r)
   Call: (192) [system] ')'==r
   Fail: (192) [system] ')'==r
   Call: (192) [system] get_char((0x55772f068e50), r)
   Exit: (192) [system] get_char((0x55772f068e50), r)
   Call: (192) [system] r=(\)
   Fail: (192) [system] r=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _1911480)
   Call: (193) [system] peek_char((0x55772f068e50), _1912414)
   Exit: (193) [system] peek_char((0x55772f068e50), t)
^  Call: (193) [user] is_delimiter(t)
   Call: (194) [system] char_type(t, space)
   Fail: (194) [system] char_type(t, space)
   Call: (194) [system] arg(_1917134, v('(', ')', end_of_file), t)
   Fail: (194) [system] arg(_1918066, v('(', ')', end_of_file), t)
^  Fail: (193) [user] is_delimiter(t)
   Call: (193) [system] ')'==t
   Fail: (193) [system] ')'==t
   Call: (193) [system] get_char((0x55772f068e50), t)
   Exit: (193) [system] get_char((0x55772f068e50), t)
   Call: (193) [system] t=(\)
   Fail: (193) [system] t=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _1925416)
   Call: (194) [system] peek_char((0x55772f068e50), _1926350)
   Exit: (194) [system] peek_char((0x55772f068e50), 'E')
^  Call: (194) [user] is_delimiter('E')
   Call: (195) [system] char_type('E', space)
   Fail: (195) [system] char_type('E', space)
   Call: (195) [system] arg(_1931070, v('(', ')', end_of_file), 'E')
   Fail: (195) [system] arg(_1932002, v('(', ')', end_of_file), 'E')
^  Fail: (194) [user] is_delimiter('E')
   Call: (194) [system] ')'=='E'
   Fail: (194) [system] ')'=='E'
   Call: (194) [system] get_char((0x55772f068e50), 'E')
   Exit: (194) [system] get_char((0x55772f068e50), 'E')
   Call: (194) [system] 'E'=(\)
   Fail: (194) [system] 'E'=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _1939352)
   Call: (195) [system] peek_char((0x55772f068e50), _1940286)
   Exit: (195) [system] peek_char((0x55772f068e50), q)
^  Call: (195) [user] is_delimiter(q)
   Call: (196) [system] char_type(q, space)
   Fail: (196) [system] char_type(q, space)
   Call: (196) [system] arg(_1945006, v('(', ')', end_of_file), q)
   Fail: (196) [system] arg(_1945938, v('(', ')', end_of_file), q)
^  Fail: (195) [user] is_delimiter(q)
   Call: (195) [system] ')'==q
   Fail: (195) [system] ')'==q
   Call: (195) [system] get_char((0x55772f068e50), q)
   Exit: (195) [system] get_char((0x55772f068e50), q)
   Call: (195) [system] q=(\)
   Fail: (195) [system] q=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _1953288)
   Call: (196) [system] peek_char((0x55772f068e50), _1954222)
   Exit: (196) [system] peek_char((0x55772f068e50), u)
^  Call: (196) [user] is_delimiter(u)
   Call: (197) [system] char_type(u, space)
   Fail: (197) [system] char_type(u, space)
   Call: (197) [system] arg(_1958942, v('(', ')', end_of_file), u)
   Fail: (197) [system] arg(_1959874, v('(', ')', end_of_file), u)
^  Fail: (196) [user] is_delimiter(u)
   Call: (196) [system] ')'==u
   Fail: (196) [system] ')'==u
   Call: (196) [system] get_char((0x55772f068e50), u)
   Exit: (196) [system] get_char((0x55772f068e50), u)
   Call: (196) [system] u=(\)
   Fail: (196) [system] u=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1967224)
   Call: (197) [system] peek_char((0x55772f068e50), _1968158)
   Exit: (197) [system] peek_char((0x55772f068e50), a)
^  Call: (197) [user] is_delimiter(a)
   Call: (198) [system] char_type(a, space)
   Fail: (198) [system] char_type(a, space)
   Call: (198) [system] arg(_1972878, v('(', ')', end_of_file), a)
   Fail: (198) [system] arg(_1973810, v('(', ')', end_of_file), a)
^  Fail: (197) [user] is_delimiter(a)
   Call: (197) [system] ')'==a
   Fail: (197) [system] ')'==a
   Call: (197) [system] get_char((0x55772f068e50), a)
   Exit: (197) [system] get_char((0x55772f068e50), a)
   Call: (197) [system] a=(\)
   Fail: (197) [system] a=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1981160)
   Call: (198) [system] peek_char((0x55772f068e50), _1982094)
   Exit: (198) [system] peek_char((0x55772f068e50), l)
^  Call: (198) [user] is_delimiter(l)
   Call: (199) [system] char_type(l, space)
   Fail: (199) [system] char_type(l, space)
   Call: (199) [system] arg(_1986814, v('(', ')', end_of_file), l)
   Fail: (199) [system] arg(_1987746, v('(', ')', end_of_file), l)
^  Fail: (198) [user] is_delimiter(l)
   Call: (198) [system] ')'==l
   Fail: (198) [system] ')'==l
   Call: (198) [system] get_char((0x55772f068e50), l)
   Exit: (198) [system] get_char((0x55772f068e50), l)
   Call: (198) [system] l=(\)
   Fail: (198) [system] l=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1995096)
   Call: (199) [system] peek_char((0x55772f068e50), _1996030)
   Exit: (199) [system] peek_char((0x55772f068e50), 'T')
^  Call: (199) [user] is_delimiter('T')
   Call: (200) [system] char_type('T', space)
   Fail: (200) [system] char_type('T', space)
   Call: (200) [system] arg(_2000750, v('(', ')', end_of_file), 'T')
   Fail: (200) [system] arg(_2001682, v('(', ')', end_of_file), 'T')
^  Fail: (199) [user] is_delimiter('T')
   Call: (199) [system] ')'=='T'
   Fail: (199) [system] ')'=='T'
   Call: (199) [system] get_char((0x55772f068e50), 'T')
   Exit: (199) [system] get_char((0x55772f068e50), 'T')
   Call: (199) [system] 'T'=(\)
   Fail: (199) [system] 'T'=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _2009032)
   Call: (200) [system] peek_char((0x55772f068e50), _2009966)
   Exit: (200) [system] peek_char((0x55772f068e50), o)
^  Call: (200) [user] is_delimiter(o)
   Call: (201) [system] char_type(o, space)
   Fail: (201) [system] char_type(o, space)
   Call: (201) [system] arg(_2014686, v('(', ')', end_of_file), o)
   Fail: (201) [system] arg(_2015618, v('(', ')', end_of_file), o)
^  Fail: (200) [user] is_delimiter(o)
   Call: (200) [system] ')'==o
   Fail: (200) [system] ')'==o
   Call: (200) [system] get_char((0x55772f068e50), o)
   Exit: (200) [system] get_char((0x55772f068e50), o)
   Call: (200) [system] o=(\)
   Fail: (200) [system] o=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _2022968)
   Call: (201) [system] peek_char((0x55772f068e50), _2023902)
   Exit: (201) [system] peek_char((0x55772f068e50), 'R')
^  Call: (201) [user] is_delimiter('R')
   Call: (202) [system] char_type('R', space)
   Fail: (202) [system] char_type('R', space)
   Call: (202) [system] arg(_2028622, v('(', ')', end_of_file), 'R')
   Fail: (202) [system] arg(_2029554, v('(', ')', end_of_file), 'R')
^  Fail: (201) [user] is_delimiter('R')
   Call: (201) [system] ')'=='R'
   Fail: (201) [system] ')'=='R'
   Call: (201) [system] get_char((0x55772f068e50), 'R')
   Exit: (201) [system] get_char((0x55772f068e50), 'R')
   Call: (201) [system] 'R'=(\)
   Fail: (201) [system] 'R'=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _2036904)
   Call: (202) [system] peek_char((0x55772f068e50), _2037838)
   Exit: (202) [system] peek_char((0x55772f068e50), e)
^  Call: (202) [user] is_delimiter(e)
   Call: (203) [system] char_type(e, space)
   Fail: (203) [system] char_type(e, space)
   Call: (203) [system] arg(_2042558, v('(', ')', end_of_file), e)
   Fail: (203) [system] arg(_2043490, v('(', ')', end_of_file), e)
^  Fail: (202) [user] is_delimiter(e)
   Call: (202) [system] ')'==e
   Fail: (202) [system] ')'==e
   Call: (202) [system] get_char((0x55772f068e50), e)
   Exit: (202) [system] get_char((0x55772f068e50), e)
   Call: (202) [system] e=(\)
   Fail: (202) [system] e=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _2050840)
   Call: (203) [system] peek_char((0x55772f068e50), _2051774)
   Exit: (203) [system] peek_char((0x55772f068e50), s)
^  Call: (203) [user] is_delimiter(s)
   Call: (204) [system] char_type(s, space)
   Fail: (204) [system] char_type(s, space)
   Call: (204) [system] arg(_2056494, v('(', ')', end_of_file), s)
   Fail: (204) [system] arg(_2057426, v('(', ')', end_of_file), s)
^  Fail: (203) [user] is_delimiter(s)
   Call: (203) [system] ')'==s
   Fail: (203) [system] ')'==s
   Call: (203) [system] get_char((0x55772f068e50), s)
   Exit: (203) [system] get_char((0x55772f068e50), s)
   Call: (203) [system] s=(\)
   Fail: (203) [system] s=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _2064776)
   Call: (204) [system] peek_char((0x55772f068e50), _2065710)
   Exit: (204) [system] peek_char((0x55772f068e50), u)
^  Call: (204) [user] is_delimiter(u)
   Call: (205) [system] char_type(u, space)
   Fail: (205) [system] char_type(u, space)
   Call: (205) [system] arg(_2070430, v('(', ')', end_of_file), u)
   Fail: (205) [system] arg(_2071362, v('(', ')', end_of_file), u)
^  Fail: (204) [user] is_delimiter(u)
   Call: (204) [system] ')'==u
   Fail: (204) [system] ')'==u
   Call: (204) [system] get_char((0x55772f068e50), u)
   Exit: (204) [system] get_char((0x55772f068e50), u)
   Call: (204) [system] u=(\)
   Fail: (204) [system] u=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _2078712)
   Call: (205) [system] peek_char((0x55772f068e50), _2079646)
   Exit: (205) [system] peek_char((0x55772f068e50), l)
^  Call: (205) [user] is_delimiter(l)
   Call: (206) [system] char_type(l, space)
   Fail: (206) [system] char_type(l, space)
   Call: (206) [system] arg(_2084366, v('(', ')', end_of_file), l)
   Fail: (206) [system] arg(_2085298, v('(', ')', end_of_file), l)
^  Fail: (205) [user] is_delimiter(l)
   Call: (205) [system] ')'==l
   Fail: (205) [system] ')'==l
   Call: (205) [system] get_char((0x55772f068e50), l)
   Exit: (205) [system] get_char((0x55772f068e50), l)
   Call: (205) [system] l=(\)
   Fail: (205) [system] l=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _2092648)
   Call: (206) [system] peek_char((0x55772f068e50), _2093582)
   Exit: (206) [system] peek_char((0x55772f068e50), t)
^  Call: (206) [user] is_delimiter(t)
   Call: (207) [system] char_type(t, space)
   Fail: (207) [system] char_type(t, space)
   Call: (207) [system] arg(_4982, v('(', ')', end_of_file), t)
   Fail: (207) [system] arg(_5914, v('(', ')', end_of_file), t)
^  Fail: (206) [user] is_delimiter(t)
   Call: (206) [system] ')'==t
   Fail: (206) [system] ')'==t
   Call: (206) [system] get_char((0x55772f068e50), t)
   Exit: (206) [system] get_char((0x55772f068e50), t)
   Call: (206) [system] t=(\)
   Fail: (206) [system] t=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _13264)
   Call: (207) [system] peek_char((0x55772f068e50), _14198)
   Exit: (207) [system] peek_char((0x55772f068e50), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _13264=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (206) [system] _3440=[t]
   Exit: (206) [system] [t]=[t]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [t])
   Call: (205) [system] _3436=[l, t]
   Exit: (205) [system] [l, t]=[l, t]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [l, t])
   Call: (204) [system] _3432=[u, l, t]
   Exit: (204) [system] [u, l, t]=[u, l, t]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [u, l, t])
   Call: (203) [system] _3428=[s, u, l, t]
   Exit: (203) [system] [s, u, l, t]=[s, u, l, t]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [s, u, l, t])
   Call: (202) [system] _3424=[e, s, u, l, t]
   Exit: (202) [system] [e, s, u, l, t]=[e, s, u, l, t]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [e, s, u, l, t])
   Call: (201) [system] _3420=['R', e, s, u, l, t]
   Exit: (201) [system] ['R', e, s, u, l, t]=['R', e, s, u, l, t]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), ['R', e, s, u, l, t])
   Call: (200) [system] _3416=[o, 'R', e, s, u, l, t]
   Exit: (200) [system] [o, 'R', e, s, u, l, t]=[o, 'R', e, s, u, l, t]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [o, 'R', e, s, u, l, t])
   Call: (199) [system] _3412=['T', o, 'R', e, s, u, l, t]
   Exit: (199) [system] ['T', o, 'R', e, s, u, l, t]=['T', o, 'R', e, s, u, l, t]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), ['T', o, 'R', e, s, u, l, t])
   Call: (198) [system] _3408=[l, 'T', o, 'R', e, s, u, l, t]
   Exit: (198) [system] [l, 'T', o, 'R', e, s, u, l, t]=[l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [l, 'T', o, 'R', e, s, u, l, t])
   Call: (197) [system] _3404=[a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (197) [system] [a, l, 'T', o, 'R', e, s, u, l, t]=[a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (196) [system] _3400=[u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (196) [system] [u, a, l, 'T', o, 'R', e, s, u, l, t]=[u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (195) [system] _3396=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (195) [system] [q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (194) [system] _3392=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (194) [system] ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (193) [system] _3388=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (193) [system] [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (192) [system] _3384=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (192) [system] [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (191) [system] _3380=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (191) [system] [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (190) [system] _3376=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (190) [system] [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (189) [system] _3372=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (189) [system] [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
^  Call: (188) [user] classify_and_convert_charseq([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _3368)
^  Call: (189) [user] classify_and_convert_charseq_([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _73774)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_74726, _74728), once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _73774), _74708, fail)), '$restore_trace'(_74726, _74728))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_74726, _74728))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult), _74708, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(assertEqualToResult)
   Exit: (190) [system] atomic(assertEqualToResult)
^  Exit: (189) [user] classify_and_convert_charseq_([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult)
   Call: (189) [system] integer(assertEqualToResult)
   Fail: (189) [system] integer(assertEqualToResult)
   Call: (189) [system] _3368=assertEqualToResult
   Exit: (189) [system] assertEqualToResult=assertEqualToResult
^  Exit: (188) [user] classify_and_convert_charseq([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult)
^  Exit: (187) [user] read_symbolic(')', (0x55772f068e50), a, assertEqualToResult)
^  Exit: (186) [user] cont_sexpr(')', (0x55772f068e50), assertEqualToResult)
^  Call: (186) [user] read_list(')', (0x55772f068e50), _86854)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _88712)
   Exit: (188) [system] peek_char((0x55772f068e50), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x55772f068e50), _98306)
   Exit: (188) [system] get_char((0x55772f068e50), ' ')
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _101010)
   Exit: (189) [system] peek_char((0x55772f068e50), '\n')
   Call: (189) [system] '\n'=(;)
   Fail: (189) [system] '\n'=(;)
   Call: (189) [system] '\n'=(/)
   Fail: (189) [system] '\n'=(/)
^  Call: (189) [user] is_like_space('\n')
   Call: (190) [system] char_type('\n', 'white')
   Fail: (190) [system] char_type('\n', 'white')
   Call: (190) [system] char_type('\n', end_of_line)
   Exit: (190) [system] char_type('\n', end_of_line)
^  Exit: (189) [user] is_like_space('\n')
   Call: (189) [system] get_char((0x55772f068e50), _112460)
   Exit: (189) [system] get_char((0x55772f068e50), '\n')
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _115164)
   Exit: (190) [system] peek_char((0x55772f068e50), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x55772f068e50), _124758)
   Exit: (190) [system] get_char((0x55772f068e50), ' ')
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _127462)
   Exit: (191) [system] peek_char((0x55772f068e50), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x55772f068e50), _137056)
   Exit: (191) [system] get_char((0x55772f068e50), ' ')
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _139760)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x55772f068e50), _149354)
   Exit: (192) [system] get_char((0x55772f068e50), ' ')
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _152058)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _161652)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _164356)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _173950)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _176654)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _199132)
   Exit: (187) [system] peek_char((0x55772f068e50), '(')
   Call: (187) [system] '('=')'
   Fail: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
   Fail: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x55772f068e50), _204702)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _206560)
   Exit: (189) [system] peek_char((0x55772f068e50), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] get_char((0x55772f068e50), _222570)
   Exit: (188) [system] get_char((0x55772f068e50), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x55772f068e50), _204702)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _228140)
   Exit: (190) [system] peek_char((0x55772f068e50), s)
   Call: (190) [system] s=(;)
   Fail: (190) [system] s=(;)
   Call: (190) [system] s=(/)
   Fail: (190) [system] s=(/)
^  Call: (190) [user] is_like_space(s)
   Call: (191) [system] char_type(s, 'white')
   Fail: (191) [system] char_type(s, 'white')
   Call: (191) [system] char_type(s, end_of_line)
   Fail: (191) [system] char_type(s, end_of_line)
   Call: (191) [system] char_type(s, space)
   Fail: (191) [system] char_type(s, space)
   Call: (191) [system] char_type(s, cntrl)
   Fail: (191) [system] char_type(s, cntrl)
^  Fail: (190) [user] is_like_space(s)
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _244150)
   Exit: (189) [system] peek_char((0x55772f068e50), s)
   Call: (189) [system] s=')'
   Fail: (189) [system] s=')'
   Call: (189) [system] s=end_of_file
   Fail: (189) [system] s=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x55772f068e50), _249720)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _251578)
   Exit: (191) [system] peek_char((0x55772f068e50), s)
   Call: (191) [system] s=(;)
   Fail: (191) [system] s=(;)
   Call: (191) [system] s=(/)
   Fail: (191) [system] s=(/)
^  Call: (191) [user] is_like_space(s)
   Call: (192) [system] char_type(s, 'white')
   Fail: (192) [system] char_type(s, 'white')
   Call: (192) [system] char_type(s, end_of_line)
   Fail: (192) [system] char_type(s, end_of_line)
   Call: (192) [system] char_type(s, space)
   Fail: (192) [system] char_type(s, space)
   Call: (192) [system] char_type(s, cntrl)
   Fail: (192) [system] char_type(s, cntrl)
^  Fail: (191) [user] is_like_space(s)
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] get_char((0x55772f068e50), _267588)
   Exit: (190) [system] get_char((0x55772f068e50), s)
   Call: (190) [system] s='('
   Fail: (190) [system] s='('
   Call: (190) [system] s='['
   Fail: (190) [system] s='['
   Call: (190) [system] s='{'
   Fail: (190) [system] s='{'
   Call: (190) [system] s='"'
   Fail: (190) [system] s='"'
   Call: (190) [system] s=!
   Fail: (190) [system] s=!
   Call: (190) [system] s='\''
   Fail: (190) [system] s='\''
   Call: (190) [system] s='`'
   Fail: (190) [system] s='`'
   Call: (190) [system] s=end_of_file
   Fail: (190) [system] s=end_of_file
^  Call: (190) [user] read_symbolic(')', (0x55772f068e50), s, _249720)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _285230)
   Call: (192) [system] peek_char((0x55772f068e50), _286164)
   Exit: (192) [system] peek_char((0x55772f068e50), y)
^  Call: (192) [user] is_delimiter(y)
   Call: (193) [system] char_type(y, space)
   Fail: (193) [system] char_type(y, space)
   Call: (193) [system] arg(_290884, v('(', ')', end_of_file), y)
   Fail: (193) [system] arg(_291816, v('(', ')', end_of_file), y)
^  Fail: (192) [user] is_delimiter(y)
   Call: (192) [system] ')'==y
   Fail: (192) [system] ')'==y
   Call: (192) [system] get_char((0x55772f068e50), y)
   Exit: (192) [system] get_char((0x55772f068e50), y)
   Call: (192) [system] y=(\)
   Fail: (192) [system] y=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _299166)
   Call: (193) [system] peek_char((0x55772f068e50), _300100)
   Exit: (193) [system] peek_char((0x55772f068e50), n)
^  Call: (193) [user] is_delimiter(n)
   Call: (194) [system] char_type(n, space)
   Fail: (194) [system] char_type(n, space)
   Call: (194) [system] arg(_304820, v('(', ')', end_of_file), n)
   Fail: (194) [system] arg(_305752, v('(', ')', end_of_file), n)
^  Fail: (193) [user] is_delimiter(n)
   Call: (193) [system] ')'==n
   Fail: (193) [system] ')'==n
   Call: (193) [system] get_char((0x55772f068e50), n)
   Exit: (193) [system] get_char((0x55772f068e50), n)
   Call: (193) [system] n=(\)
   Fail: (193) [system] n=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _313102)
   Call: (194) [system] peek_char((0x55772f068e50), _314036)
   Exit: (194) [system] peek_char((0x55772f068e50), t)
^  Call: (194) [user] is_delimiter(t)
   Call: (195) [system] char_type(t, space)
   Fail: (195) [system] char_type(t, space)
   Call: (195) [system] arg(_318756, v('(', ')', end_of_file), t)
   Fail: (195) [system] arg(_319688, v('(', ')', end_of_file), t)
^  Fail: (194) [user] is_delimiter(t)
   Call: (194) [system] ')'==t
   Fail: (194) [system] ')'==t
   Call: (194) [system] get_char((0x55772f068e50), t)
   Exit: (194) [system] get_char((0x55772f068e50), t)
   Call: (194) [system] t=(\)
   Fail: (194) [system] t=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _327038)
   Call: (195) [system] peek_char((0x55772f068e50), _327972)
   Exit: (195) [system] peek_char((0x55772f068e50), h)
^  Call: (195) [user] is_delimiter(h)
   Call: (196) [system] char_type(h, space)
   Fail: (196) [system] char_type(h, space)
   Call: (196) [system] arg(_332692, v('(', ')', end_of_file), h)
   Fail: (196) [system] arg(_333624, v('(', ')', end_of_file), h)
^  Fail: (195) [user] is_delimiter(h)
   Call: (195) [system] ')'==h
   Fail: (195) [system] ')'==h
   Call: (195) [system] get_char((0x55772f068e50), h)
   Exit: (195) [system] get_char((0x55772f068e50), h)
   Call: (195) [system] h=(\)
   Fail: (195) [system] h=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _340974)
   Call: (196) [system] peek_char((0x55772f068e50), _341908)
   Exit: (196) [system] peek_char((0x55772f068e50), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Fail: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_346628, v('(', ')', end_of_file), e)
   Fail: (197) [system] arg(_347560, v('(', ')', end_of_file), e)
^  Fail: (196) [user] is_delimiter(e)
   Call: (196) [system] ')'==e
   Fail: (196) [system] ')'==e
   Call: (196) [system] get_char((0x55772f068e50), e)
   Exit: (196) [system] get_char((0x55772f068e50), e)
   Call: (196) [system] e=(\)
   Fail: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _354910)
   Call: (197) [system] peek_char((0x55772f068e50), _355844)
   Exit: (197) [system] peek_char((0x55772f068e50), s)
^  Call: (197) [user] is_delimiter(s)
   Call: (198) [system] char_type(s, space)
   Fail: (198) [system] char_type(s, space)
   Call: (198) [system] arg(_360564, v('(', ')', end_of_file), s)
   Fail: (198) [system] arg(_361496, v('(', ')', end_of_file), s)
^  Fail: (197) [user] is_delimiter(s)
   Call: (197) [system] ')'==s
   Fail: (197) [system] ')'==s
   Call: (197) [system] get_char((0x55772f068e50), s)
   Exit: (197) [system] get_char((0x55772f068e50), s)
   Call: (197) [system] s=(\)
   Fail: (197) [system] s=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _368846)
   Call: (198) [system] peek_char((0x55772f068e50), _369780)
   Exit: (198) [system] peek_char((0x55772f068e50), i)
^  Call: (198) [user] is_delimiter(i)
   Call: (199) [system] char_type(i, space)
   Fail: (199) [system] char_type(i, space)
   Call: (199) [system] arg(_374500, v('(', ')', end_of_file), i)
   Fail: (199) [system] arg(_375432, v('(', ')', end_of_file), i)
^  Fail: (198) [user] is_delimiter(i)
   Call: (198) [system] ')'==i
   Fail: (198) [system] ')'==i
   Call: (198) [system] get_char((0x55772f068e50), i)
   Exit: (198) [system] get_char((0x55772f068e50), i)
   Call: (198) [system] i=(\)
   Fail: (198) [system] i=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _382782)
   Call: (199) [system] peek_char((0x55772f068e50), _383716)
   Exit: (199) [system] peek_char((0x55772f068e50), z)
^  Call: (199) [user] is_delimiter(z)
   Call: (200) [system] char_type(z, space)
   Fail: (200) [system] char_type(z, space)
   Call: (200) [system] arg(_388436, v('(', ')', end_of_file), z)
   Fail: (200) [system] arg(_389368, v('(', ')', end_of_file), z)
^  Fail: (199) [user] is_delimiter(z)
   Call: (199) [system] ')'==z
   Fail: (199) [system] ')'==z
   Call: (199) [system] get_char((0x55772f068e50), z)
   Exit: (199) [system] get_char((0x55772f068e50), z)
   Call: (199) [system] z=(\)
   Fail: (199) [system] z=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _396718)
   Call: (200) [system] peek_char((0x55772f068e50), _397652)
   Exit: (200) [system] peek_char((0x55772f068e50), e)
^  Call: (200) [user] is_delimiter(e)
   Call: (201) [system] char_type(e, space)
   Fail: (201) [system] char_type(e, space)
   Call: (201) [system] arg(_402372, v('(', ')', end_of_file), e)
   Fail: (201) [system] arg(_403304, v('(', ')', end_of_file), e)
^  Fail: (200) [user] is_delimiter(e)
   Call: (200) [system] ')'==e
   Fail: (200) [system] ')'==e
   Call: (200) [system] get_char((0x55772f068e50), e)
   Exit: (200) [system] get_char((0x55772f068e50), e)
   Call: (200) [system] e=(\)
   Fail: (200) [system] e=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _410654)
   Call: (201) [system] peek_char((0x55772f068e50), _411588)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _410654=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (200) [system] _396718=[e]
   Exit: (200) [system] [e]=[e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (199) [system] _382782=[z, e]
   Exit: (199) [system] [z, e]=[z, e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [z, e])
   Call: (198) [system] _368846=[i, z, e]
   Exit: (198) [system] [i, z, e]=[i, z, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [i, z, e])
   Call: (197) [system] _354910=[s, i, z, e]
   Exit: (197) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [s, i, z, e])
   Call: (196) [system] _340974=[e, s, i, z, e]
   Exit: (196) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [e, s, i, z, e])
   Call: (195) [system] _327038=[h, e, s, i, z, e]
   Exit: (195) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [h, e, s, i, z, e])
   Call: (194) [system] _313102=[t, h, e, s, i, z, e]
   Exit: (194) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [t, h, e, s, i, z, e])
   Call: (193) [system] _299166=[n, t, h, e, s, i, z, e]
   Exit: (193) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, h, e, s, i, z, e])
   Call: (192) [system] _285230=[y, n, t, h, e, s, i, z, e]
   Exit: (192) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [y, n, t, h, e, s, i, z, e])
^  Call: (191) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _249720)
^  Call: (192) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _446018)
^  Call: (194) [system] setup_call_cleanup('$notrace'(_446970, _446972), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _446018), _446952, fail)), '$restore_trace'(_446970, _446972))
^  Call: (195) [system] sig_atomic(system:'$notrace'(_446970, _446972))
^  Exit: (194) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _446952, fail)), system:'$restore_trace'(3, -1))
   Call: (193) [system] atomic(synthesize)
   Exit: (193) [system] atomic(synthesize)
^  Exit: (192) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (192) [system] integer(synthesize)
   Fail: (192) [system] integer(synthesize)
   Call: (192) [system] _249720=synthesize
   Exit: (192) [system] synthesize=synthesize
^  Exit: (191) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (190) [user] read_symbolic(')', (0x55772f068e50), s, synthesize)
^  Exit: (189) [user] cont_sexpr(')', (0x55772f068e50), synthesize)
^  Call: (189) [user] read_list(')', (0x55772f068e50), _459098)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _460956)
   Exit: (191) [system] peek_char((0x55772f068e50), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x55772f068e50), _470550)
   Exit: (191) [system] get_char((0x55772f068e50), ' ')
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _473254)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _490188)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x55772f068e50), _495758)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _497616)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] get_char((0x55772f068e50), _513626)
   Exit: (191) [system] get_char((0x55772f068e50), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x55772f068e50), _495758)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _519196)
   Exit: (193) [system] peek_char((0x55772f068e50), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
   Call: (193) [system] (:)=(/)
   Fail: (193) [system] (:)=(/)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _535206)
   Exit: (192) [system] peek_char((0x55772f068e50), :)
   Call: (192) [system] (:)=')'
   Fail: (192) [system] (:)=')'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _540776)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _542634)
   Exit: (194) [system] peek_char((0x55772f068e50), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _558644)
   Exit: (193) [system] get_char((0x55772f068e50), :)
   Call: (193) [system] (:)='('
   Fail: (193) [system] (:)='('
   Call: (193) [system] (:)='['
   Fail: (193) [system] (:)='['
   Call: (193) [system] (:)='{'
   Fail: (193) [system] (:)='{'
   Call: (193) [system] (:)='"'
   Fail: (193) [system] (:)='"'
   Call: (193) [system] (:)=!
   Fail: (193) [system] (:)=!
   Call: (193) [system] (:)='\''
   Fail: (193) [system] (:)='\''
   Call: (193) [system] (:)='`'
   Fail: (193) [system] (:)='`'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x55772f068e50), :, _540776)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _576286)
   Call: (195) [system] peek_char((0x55772f068e50), _577220)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _576286=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (194) [user] classify_and_convert_charseq([:], _540776)
^  Call: (195) [user] classify_and_convert_charseq_([:], _586504)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_587456, _587458), once(user:catch(read_from_chars([:], _586504), _587438, fail)), '$restore_trace'(_587456, _587458))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_587456, _587458))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _587438, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(:)
   Exit: (196) [system] atomic(:)
^  Exit: (195) [user] classify_and_convert_charseq_([:], :)
   Call: (195) [system] integer(:)
   Fail: (195) [system] integer(:)
   Call: (195) [system] _540776=(:)
   Exit: (195) [system] (:)=(:)
^  Exit: (194) [user] classify_and_convert_charseq([:], :)
^  Exit: (193) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (192) [user] read_list(')', (0x55772f068e50), _599584)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _601442)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _611036)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _613740)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _630674)
   Exit: (193) [system] peek_char((0x55772f068e50), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _636244)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _638102)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _654112)
   Exit: (194) [system] get_char((0x55772f068e50), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x55772f068e50), $, _636244)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _671754)
   Call: (196) [system] peek_char((0x55772f068e50), _672688)
   Exit: (196) [system] peek_char((0x55772f068e50), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_677408, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_678340, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x55772f068e50), t)
   Exit: (196) [system] get_char((0x55772f068e50), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _685690)
   Call: (197) [system] peek_char((0x55772f068e50), _686624)
   Exit: (197) [system] peek_char((0x55772f068e50), e)
^  Call: (197) [user] is_delimiter(e)
   Call: (198) [system] char_type(e, space)
   Fail: (198) [system] char_type(e, space)
   Call: (198) [system] arg(_691344, v('(', ')', end_of_file), e)
   Fail: (198) [system] arg(_692276, v('(', ')', end_of_file), e)
^  Fail: (197) [user] is_delimiter(e)
   Call: (197) [system] ')'==e
   Fail: (197) [system] ')'==e
   Call: (197) [system] get_char((0x55772f068e50), e)
   Exit: (197) [system] get_char((0x55772f068e50), e)
   Call: (197) [system] e=(\)
   Fail: (197) [system] e=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _699626)
   Call: (198) [system] peek_char((0x55772f068e50), _700560)
   Exit: (198) [system] peek_char((0x55772f068e50), r)
^  Call: (198) [user] is_delimiter(r)
   Call: (199) [system] char_type(r, space)
   Fail: (199) [system] char_type(r, space)
   Call: (199) [system] arg(_705280, v('(', ')', end_of_file), r)
   Fail: (199) [system] arg(_706212, v('(', ')', end_of_file), r)
^  Fail: (198) [user] is_delimiter(r)
   Call: (198) [system] ')'==r
   Fail: (198) [system] ')'==r
   Call: (198) [system] get_char((0x55772f068e50), r)
   Exit: (198) [system] get_char((0x55772f068e50), r)
   Call: (198) [system] r=(\)
   Fail: (198) [system] r=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _713562)
   Call: (199) [system] peek_char((0x55772f068e50), _714496)
   Exit: (199) [system] peek_char((0x55772f068e50), m)
^  Call: (199) [user] is_delimiter(m)
   Call: (200) [system] char_type(m, space)
   Fail: (200) [system] char_type(m, space)
   Call: (200) [system] arg(_719216, v('(', ')', end_of_file), m)
   Fail: (200) [system] arg(_720148, v('(', ')', end_of_file), m)
^  Fail: (199) [user] is_delimiter(m)
   Call: (199) [system] ')'==m
   Fail: (199) [system] ')'==m
   Call: (199) [system] get_char((0x55772f068e50), m)
   Exit: (199) [system] get_char((0x55772f068e50), m)
   Call: (199) [system] m=(\)
   Fail: (199) [system] m=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _727498)
   Call: (200) [system] peek_char((0x55772f068e50), _728432)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _727498=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (199) [system] _713562=[m]
   Exit: (199) [system] [m]=[m]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [m])
   Call: (198) [system] _699626=[r, m]
   Exit: (198) [system] [r, m]=[r, m]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [r, m])
   Call: (197) [system] _685690=[e, r, m]
   Exit: (197) [system] [e, r, m]=[e, r, m]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [e, r, m])
   Call: (196) [system] _671754=[t, e, r, m]
   Exit: (196) [system] [t, e, r, m]=[t, e, r, m]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [t, e, r, m])
^  Call: (195) [user] classify_and_convert_charseq([$, t, e, r, m], _636244)
^  Call: (196) [user] classify_and_convert_charseq_([$, t, e, r, m], _748892)
   Call: (197) [system] atom_chars(_749824, ['_', t, e, r, m])
   Exit: (197) [system] atom_chars('_term', ['_', t, e, r, m])
^  Exit: (196) [user] classify_and_convert_charseq_([$, t, e, r, m], _term)
   Call: (196) [system] integer(_term)
   Fail: (196) [system] integer(_term)
   Call: (196) [system] _636244=_term
   Exit: (196) [system] _term=_term
^  Exit: (195) [user] classify_and_convert_charseq([$, t, e, r, m], _term)
^  Exit: (194) [user] read_symbolic(')', (0x55772f068e50), $, _term)
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), _term)
^  Call: (193) [user] read_list(')', (0x55772f068e50), _759116)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _760974)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _770568)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _773272)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _790206)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _795776)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _797634)
   Exit: (196) [system] peek_char((0x55772f068e50), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _813644)
   Exit: (195) [system] get_char((0x55772f068e50), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x55772f068e50), $, _795776)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _831286)
   Call: (197) [system] peek_char((0x55772f068e50), _832220)
   Exit: (197) [system] peek_char((0x55772f068e50), t)
^  Call: (197) [user] is_delimiter(t)
   Call: (198) [system] char_type(t, space)
   Fail: (198) [system] char_type(t, space)
   Call: (198) [system] arg(_836940, v('(', ')', end_of_file), t)
   Fail: (198) [system] arg(_837872, v('(', ')', end_of_file), t)
^  Fail: (197) [user] is_delimiter(t)
   Call: (197) [system] ')'==t
   Fail: (197) [system] ')'==t
   Call: (197) [system] get_char((0x55772f068e50), t)
   Exit: (197) [system] get_char((0x55772f068e50), t)
   Call: (197) [system] t=(\)
   Fail: (197) [system] t=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _845222)
   Call: (198) [system] peek_char((0x55772f068e50), _846156)
   Exit: (198) [system] peek_char((0x55772f068e50), y)
^  Call: (198) [user] is_delimiter(y)
   Call: (199) [system] char_type(y, space)
   Fail: (199) [system] char_type(y, space)
   Call: (199) [system] arg(_850876, v('(', ')', end_of_file), y)
   Fail: (199) [system] arg(_851808, v('(', ')', end_of_file), y)
^  Fail: (198) [user] is_delimiter(y)
   Call: (198) [system] ')'==y
   Fail: (198) [system] ')'==y
   Call: (198) [system] get_char((0x55772f068e50), y)
   Exit: (198) [system] get_char((0x55772f068e50), y)
   Call: (198) [system] y=(\)
   Fail: (198) [system] y=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _859158)
   Call: (199) [system] peek_char((0x55772f068e50), _860092)
   Exit: (199) [system] peek_char((0x55772f068e50), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_864812, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_865744, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x55772f068e50), p)
   Exit: (199) [system] get_char((0x55772f068e50), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _873094)
   Call: (200) [system] peek_char((0x55772f068e50), _874028)
   Exit: (200) [system] peek_char((0x55772f068e50), e)
^  Call: (200) [user] is_delimiter(e)
   Call: (201) [system] char_type(e, space)
   Fail: (201) [system] char_type(e, space)
   Call: (201) [system] arg(_878748, v('(', ')', end_of_file), e)
   Fail: (201) [system] arg(_879680, v('(', ')', end_of_file), e)
^  Fail: (200) [user] is_delimiter(e)
   Call: (200) [system] ')'==e
   Fail: (200) [system] ')'==e
   Call: (200) [system] get_char((0x55772f068e50), e)
   Exit: (200) [system] get_char((0x55772f068e50), e)
   Call: (200) [system] e=(\)
   Fail: (200) [system] e=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _887030)
   Call: (201) [system] peek_char((0x55772f068e50), _887964)
   Exit: (201) [system] peek_char((0x55772f068e50), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_892684, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _887030=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (200) [system] _873094=[e]
   Exit: (200) [system] [e]=[e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (199) [system] _859158=[p, e]
   Exit: (199) [system] [p, e]=[p, e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [p, e])
   Call: (198) [system] _845222=[y, p, e]
   Exit: (198) [system] [y, p, e]=[y, p, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [y, p, e])
   Call: (197) [system] _831286=[t, y, p, e]
   Exit: (197) [system] [t, y, p, e]=[t, y, p, e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [t, y, p, e])
^  Call: (196) [user] classify_and_convert_charseq([$, t, y, p, e], _795776)
^  Call: (197) [user] classify_and_convert_charseq_([$, t, y, p, e], _910296)
   Call: (198) [system] atom_chars(_911228, ['_', t, y, p, e])
   Exit: (198) [system] atom_chars('_type', ['_', t, y, p, e])
^  Exit: (197) [user] classify_and_convert_charseq_([$, t, y, p, e], _type)
   Call: (197) [system] integer(_type)
   Fail: (197) [system] integer(_type)
   Call: (197) [system] _795776=_type
   Exit: (197) [system] _type=_type
^  Exit: (196) [user] classify_and_convert_charseq([$, t, y, p, e], _type)
^  Exit: (195) [user] read_symbolic(')', (0x55772f068e50), $, _type)
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), _type)
^  Call: (194) [user] read_list(')', (0x55772f068e50), _920520)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _922378)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _938388)
   Exit: (195) [system] peek_char((0x55772f068e50), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x55772f068e50), _942178)
   Exit: (195) [system] get_char((0x55772f068e50), ')')
   Call: (195) [system] _920520=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [])
   Call: (194) [system] _759116=[_type]
   Exit: (194) [system] [_type]=[_type]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [_type])
   Call: (193) [system] _599584=[_term, _type]
   Exit: (193) [system] [_term, _type]=[_term, _type]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [_term, _type])
   Call: (192) [system] _495758=[:, _term, _type]
   Exit: (192) [system] [:, _term, _type]=[:, _term, _type]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [:, _term, _type])
^  Exit: (190) [user] cont_sexpr(')', (0x55772f068e50), [:, _term, _type])
^  Call: (190) [user] read_list(')', (0x55772f068e50), _956060)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _957918)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x55772f068e50), _967512)
   Exit: (192) [system] get_char((0x55772f068e50), ' ')
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _970216)
   Exit: (193) [system] peek_char((0x55772f068e50), k)
   Call: (193) [system] k=(;)
   Fail: (193) [system] k=(;)
   Call: (193) [system] k=(/)
   Fail: (193) [system] k=(/)
^  Call: (193) [user] is_like_space(k)
   Call: (194) [system] char_type(k, 'white')
   Fail: (194) [system] char_type(k, 'white')
   Call: (194) [system] char_type(k, end_of_line)
   Fail: (194) [system] char_type(k, end_of_line)
   Call: (194) [system] char_type(k, space)
   Fail: (194) [system] char_type(k, space)
   Call: (194) [system] char_type(k, cntrl)
   Fail: (194) [system] char_type(k, cntrl)
^  Fail: (193) [user] is_like_space(k)
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _987150)
   Exit: (191) [system] peek_char((0x55772f068e50), k)
   Call: (191) [system] k=')'
   Fail: (191) [system] k=')'
   Call: (191) [system] k=end_of_file
   Fail: (191) [system] k=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x55772f068e50), _992720)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _994578)
   Exit: (193) [system] peek_char((0x55772f068e50), k)
   Call: (193) [system] k=(;)
   Fail: (193) [system] k=(;)
   Call: (193) [system] k=(/)
   Fail: (193) [system] k=(/)
^  Call: (193) [user] is_like_space(k)
   Call: (194) [system] char_type(k, 'white')
   Fail: (194) [system] char_type(k, 'white')
   Call: (194) [system] char_type(k, end_of_line)
   Fail: (194) [system] char_type(k, end_of_line)
   Call: (194) [system] char_type(k, space)
   Fail: (194) [system] char_type(k, space)
   Call: (194) [system] char_type(k, cntrl)
   Fail: (194) [system] char_type(k, cntrl)
^  Fail: (193) [user] is_like_space(k)
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] get_char((0x55772f068e50), _1010588)
   Exit: (192) [system] get_char((0x55772f068e50), k)
   Call: (192) [system] k='('
   Fail: (192) [system] k='('
   Call: (192) [system] k='['
   Fail: (192) [system] k='['
   Call: (192) [system] k='{'
   Fail: (192) [system] k='{'
   Call: (192) [system] k='"'
   Fail: (192) [system] k='"'
   Call: (192) [system] k=!
   Fail: (192) [system] k=!
   Call: (192) [system] k='\''
   Fail: (192) [system] k='\''
   Call: (192) [system] k='`'
   Fail: (192) [system] k='`'
   Call: (192) [system] k=end_of_file
   Fail: (192) [system] k=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x55772f068e50), k, _992720)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _1028230)
   Call: (194) [system] peek_char((0x55772f068e50), _1029164)
   Exit: (194) [system] peek_char((0x55772f068e50), b)
^  Call: (194) [user] is_delimiter(b)
   Call: (195) [system] char_type(b, space)
   Fail: (195) [system] char_type(b, space)
   Call: (195) [system] arg(_1033884, v('(', ')', end_of_file), b)
   Fail: (195) [system] arg(_1034816, v('(', ')', end_of_file), b)
^  Fail: (194) [user] is_delimiter(b)
   Call: (194) [system] ')'==b
   Fail: (194) [system] ')'==b
   Call: (194) [system] get_char((0x55772f068e50), b)
   Exit: (194) [system] get_char((0x55772f068e50), b)
   Call: (194) [system] b=(\)
   Fail: (194) [system] b=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _1042166)
   Call: (195) [system] peek_char((0x55772f068e50), _1043100)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _1042166=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (194) [system] _1028230=[b]
   Exit: (194) [system] [b]=[b]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
^  Call: (193) [user] classify_and_convert_charseq([k, b], _992720)
^  Call: (194) [user] classify_and_convert_charseq_([k, b], _1055178)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1056130, _1056132), once(user:catch(read_from_chars([k, b], _1055178), _1056112, fail)), '$restore_trace'(_1056130, _1056132))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1056130, _1056132))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _1056112, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(kb)
   Exit: (195) [system] atomic(kb)
^  Exit: (194) [user] classify_and_convert_charseq_([k, b], kb)
   Call: (194) [system] integer(kb)
   Fail: (194) [system] integer(kb)
   Call: (194) [system] _992720=kb
   Exit: (194) [system] kb=kb
^  Exit: (193) [user] classify_and_convert_charseq([k, b], kb)
^  Exit: (192) [user] read_symbolic(')', (0x55772f068e50), k, kb)
^  Exit: (191) [user] cont_sexpr(')', (0x55772f068e50), kb)
^  Call: (191) [user] read_list(')', (0x55772f068e50), _1068258)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1070116)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _1079710)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1082414)
   Exit: (194) [system] peek_char((0x55772f068e50), r)
   Call: (194) [system] r=(;)
   Fail: (194) [system] r=(;)
   Call: (194) [system] r=(/)
   Fail: (194) [system] r=(/)
^  Call: (194) [user] is_like_space(r)
   Call: (195) [system] char_type(r, 'white')
   Fail: (195) [system] char_type(r, 'white')
   Call: (195) [system] char_type(r, end_of_line)
   Fail: (195) [system] char_type(r, end_of_line)
   Call: (195) [system] char_type(r, space)
   Fail: (195) [system] char_type(r, space)
   Call: (195) [system] char_type(r, cntrl)
   Fail: (195) [system] char_type(r, cntrl)
^  Fail: (194) [user] is_like_space(r)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1099348)
   Exit: (192) [system] peek_char((0x55772f068e50), r)
   Call: (192) [system] r=')'
   Fail: (192) [system] r=')'
   Call: (192) [system] r=end_of_file
   Fail: (192) [system] r=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _1104918)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1106776)
   Exit: (194) [system] peek_char((0x55772f068e50), r)
   Call: (194) [system] r=(;)
   Fail: (194) [system] r=(;)
   Call: (194) [system] r=(/)
   Fail: (194) [system] r=(/)
^  Call: (194) [user] is_like_space(r)
   Call: (195) [system] char_type(r, 'white')
   Fail: (195) [system] char_type(r, 'white')
   Call: (195) [system] char_type(r, end_of_line)
   Fail: (195) [system] char_type(r, end_of_line)
   Call: (195) [system] char_type(r, space)
   Fail: (195) [system] char_type(r, space)
   Call: (195) [system] char_type(r, cntrl)
   Fail: (195) [system] char_type(r, cntrl)
^  Fail: (194) [user] is_like_space(r)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _1122786)
   Exit: (193) [system] get_char((0x55772f068e50), r)
   Call: (193) [system] r='('
   Fail: (193) [system] r='('
   Call: (193) [system] r='['
   Fail: (193) [system] r='['
   Call: (193) [system] r='{'
   Fail: (193) [system] r='{'
   Call: (193) [system] r='"'
   Fail: (193) [system] r='"'
   Call: (193) [system] r=!
   Fail: (193) [system] r=!
   Call: (193) [system] r='\''
   Fail: (193) [system] r='\''
   Call: (193) [system] r='`'
   Fail: (193) [system] r='`'
   Call: (193) [system] r=end_of_file
   Fail: (193) [system] r=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x55772f068e50), r, _1104918)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _1140428)
   Call: (195) [system] peek_char((0x55772f068e50), _1141362)
   Exit: (195) [system] peek_char((0x55772f068e50), b)
^  Call: (195) [user] is_delimiter(b)
   Call: (196) [system] char_type(b, space)
   Fail: (196) [system] char_type(b, space)
   Call: (196) [system] arg(_1146082, v('(', ')', end_of_file), b)
   Fail: (196) [system] arg(_1147014, v('(', ')', end_of_file), b)
^  Fail: (195) [user] is_delimiter(b)
   Call: (195) [system] ')'==b
   Fail: (195) [system] ')'==b
   Call: (195) [system] get_char((0x55772f068e50), b)
   Exit: (195) [system] get_char((0x55772f068e50), b)
   Call: (195) [system] b=(\)
   Fail: (195) [system] b=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _1154364)
   Call: (196) [system] peek_char((0x55772f068e50), _1155298)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1154364=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (195) [system] _1140428=[b]
   Exit: (195) [system] [b]=[b]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
^  Call: (194) [user] classify_and_convert_charseq([r, b], _1104918)
^  Call: (195) [user] classify_and_convert_charseq_([r, b], _1167376)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1168328, _1168330), once(user:catch(read_from_chars([r, b], _1167376), _1168310, fail)), '$restore_trace'(_1168328, _1168330))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1168328, _1168330))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _1168310, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(rb)
   Exit: (196) [system] atomic(rb)
^  Exit: (195) [user] classify_and_convert_charseq_([r, b], rb)
   Call: (195) [system] integer(rb)
   Fail: (195) [system] integer(rb)
   Call: (195) [system] _1104918=rb
   Exit: (195) [system] rb=rb
^  Exit: (194) [user] classify_and_convert_charseq([r, b], rb)
^  Exit: (193) [user] read_symbolic(')', (0x55772f068e50), r, rb)
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), rb)
^  Call: (192) [user] read_list(')', (0x55772f068e50), _1180456)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1182314)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _1191908)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1194612)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1211546)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _1217116)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1218974)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _1234984)
   Exit: (194) [system] get_char((0x55772f068e50), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x55772f068e50), _1217116)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1240554)
   Exit: (196) [system] peek_char((0x55772f068e50), 'S')
   Call: (196) [system] 'S'=(;)
   Fail: (196) [system] 'S'=(;)
   Call: (196) [system] 'S'=(/)
   Fail: (196) [system] 'S'=(/)
^  Call: (196) [user] is_like_space('S')
   Call: (197) [system] char_type('S', 'white')
   Fail: (197) [system] char_type('S', 'white')
   Call: (197) [system] char_type('S', end_of_line)
   Fail: (197) [system] char_type('S', end_of_line)
   Call: (197) [system] char_type('S', space)
   Fail: (197) [system] char_type('S', space)
   Call: (197) [system] char_type('S', cntrl)
   Fail: (197) [system] char_type('S', cntrl)
^  Fail: (196) [user] is_like_space('S')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1256564)
   Exit: (195) [system] peek_char((0x55772f068e50), 'S')
   Call: (195) [system] 'S'=')'
   Fail: (195) [system] 'S'=')'
   Call: (195) [system] 'S'=end_of_file
   Fail: (195) [system] 'S'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _1262134)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1263992)
   Exit: (197) [system] peek_char((0x55772f068e50), 'S')
   Call: (197) [system] 'S'=(;)
   Fail: (197) [system] 'S'=(;)
   Call: (197) [system] 'S'=(/)
   Fail: (197) [system] 'S'=(/)
^  Call: (197) [user] is_like_space('S')
   Call: (198) [system] char_type('S', 'white')
   Fail: (198) [system] char_type('S', 'white')
   Call: (198) [system] char_type('S', end_of_line)
   Fail: (198) [system] char_type('S', end_of_line)
   Call: (198) [system] char_type('S', space)
   Fail: (198) [system] char_type('S', space)
   Call: (198) [system] char_type('S', cntrl)
   Fail: (198) [system] char_type('S', cntrl)
^  Fail: (197) [user] is_like_space('S')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _1280002)
   Exit: (196) [system] get_char((0x55772f068e50), 'S')
   Call: (196) [system] 'S'='('
   Fail: (196) [system] 'S'='('
   Call: (196) [system] 'S'='['
   Fail: (196) [system] 'S'='['
   Call: (196) [system] 'S'='{'
   Fail: (196) [system] 'S'='{'
   Call: (196) [system] 'S'='"'
   Fail: (196) [system] 'S'='"'
   Call: (196) [system] 'S'=!
   Fail: (196) [system] 'S'=!
   Call: (196) [system] 'S'='\''
   Fail: (196) [system] 'S'='\''
   Call: (196) [system] 'S'='`'
   Fail: (196) [system] 'S'='`'
   Call: (196) [system] 'S'=end_of_file
   Fail: (196) [system] 'S'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x55772f068e50), 'S', _1262134)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1297644)
   Call: (198) [system] peek_char((0x55772f068e50), _1298578)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1297644=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (197) [user] classify_and_convert_charseq(['S'], _1262134)
^  Call: (198) [user] classify_and_convert_charseq_(['S'], _1307862)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_1308814, _1308816), once(user:catch(read_from_chars(['S'], _1307862), _1308796, fail)), '$restore_trace'(_1308814, _1308816))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_1308814, _1308816))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _1307862), _1308796, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(_1307862)
   Fail: (199) [system] atomic(_1307862)
   Call: (199) [system] atom_chars(_1307862, ['S'])
   Exit: (199) [system] atom_chars('S', ['S'])
^  Exit: (198) [user] classify_and_convert_charseq_(['S'], 'S')
   Call: (198) [system] integer('S')
   Fail: (198) [system] integer('S')
   Call: (198) [system] _1262134='S'
   Exit: (198) [system] 'S'='S'
^  Exit: (197) [user] classify_and_convert_charseq(['S'], 'S')
^  Exit: (196) [user] read_symbolic(')', (0x55772f068e50), 'S', 'S')
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), 'S')
^  Call: (195) [user] read_list(')', (0x55772f068e50), _1322812)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1324670)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _1334264)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1336968)
   Exit: (198) [system] peek_char((0x55772f068e50), 'Z')
   Call: (198) [system] 'Z'=(;)
   Fail: (198) [system] 'Z'=(;)
   Call: (198) [system] 'Z'=(/)
   Fail: (198) [system] 'Z'=(/)
^  Call: (198) [user] is_like_space('Z')
   Call: (199) [system] char_type('Z', 'white')
   Fail: (199) [system] char_type('Z', 'white')
   Call: (199) [system] char_type('Z', end_of_line)
   Fail: (199) [system] char_type('Z', end_of_line)
   Call: (199) [system] char_type('Z', space)
   Fail: (199) [system] char_type('Z', space)
   Call: (199) [system] char_type('Z', cntrl)
   Fail: (199) [system] char_type('Z', cntrl)
^  Fail: (198) [user] is_like_space('Z')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1353902)
   Exit: (196) [system] peek_char((0x55772f068e50), 'Z')
   Call: (196) [system] 'Z'=')'
   Fail: (196) [system] 'Z'=')'
   Call: (196) [system] 'Z'=end_of_file
   Fail: (196) [system] 'Z'=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _1359472)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1361330)
   Exit: (198) [system] peek_char((0x55772f068e50), 'Z')
   Call: (198) [system] 'Z'=(;)
   Fail: (198) [system] 'Z'=(;)
   Call: (198) [system] 'Z'=(/)
   Fail: (198) [system] 'Z'=(/)
^  Call: (198) [user] is_like_space('Z')
   Call: (199) [system] char_type('Z', 'white')
   Fail: (199) [system] char_type('Z', 'white')
   Call: (199) [system] char_type('Z', end_of_line)
   Fail: (199) [system] char_type('Z', end_of_line)
   Call: (199) [system] char_type('Z', space)
   Fail: (199) [system] char_type('Z', space)
   Call: (199) [system] char_type('Z', cntrl)
   Fail: (199) [system] char_type('Z', cntrl)
^  Fail: (198) [user] is_like_space('Z')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _1377340)
   Exit: (197) [system] get_char((0x55772f068e50), 'Z')
   Call: (197) [system] 'Z'='('
   Fail: (197) [system] 'Z'='('
   Call: (197) [system] 'Z'='['
   Fail: (197) [system] 'Z'='['
   Call: (197) [system] 'Z'='{'
   Fail: (197) [system] 'Z'='{'
   Call: (197) [system] 'Z'='"'
   Fail: (197) [system] 'Z'='"'
   Call: (197) [system] 'Z'=!
   Fail: (197) [system] 'Z'=!
   Call: (197) [system] 'Z'='\''
   Fail: (197) [system] 'Z'='\''
   Call: (197) [system] 'Z'='`'
   Fail: (197) [system] 'Z'='`'
   Call: (197) [system] 'Z'=end_of_file
   Fail: (197) [system] 'Z'=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x55772f068e50), 'Z', _1359472)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1394982)
   Call: (199) [system] peek_char((0x55772f068e50), _1395916)
   Exit: (199) [system] peek_char((0x55772f068e50), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1400636, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1394982=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (198) [user] classify_and_convert_charseq(['Z'], _1359472)
^  Call: (199) [user] classify_and_convert_charseq_(['Z'], _1407072)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_1408024, _1408026), once(user:catch(read_from_chars(['Z'], _1407072), _1408006, fail)), '$restore_trace'(_1408024, _1408026))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_1408024, _1408026))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['Z'], _1407072), _1408006, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(_1407072)
   Fail: (200) [system] atomic(_1407072)
   Call: (200) [system] atom_chars(_1407072, ['Z'])
   Exit: (200) [system] atom_chars('Z', ['Z'])
^  Exit: (199) [user] classify_and_convert_charseq_(['Z'], 'Z')
   Call: (199) [system] integer('Z')
   Fail: (199) [system] integer('Z')
   Call: (199) [system] _1359472='Z'
   Exit: (199) [system] 'Z'='Z'
^  Exit: (198) [user] classify_and_convert_charseq(['Z'], 'Z')
^  Exit: (197) [user] read_symbolic(')', (0x55772f068e50), 'Z', 'Z')
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), 'Z')
^  Call: (196) [user] read_list(')', (0x55772f068e50), _1422022)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1423880)
   Exit: (198) [system] peek_char((0x55772f068e50), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1439890)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x55772f068e50), _1443680)
   Exit: (197) [system] get_char((0x55772f068e50), ')')
   Call: (197) [system] _1422022=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [])
   Call: (196) [system] _1322812=['Z']
   Exit: (196) [system] ['Z']=['Z']
^  Exit: (195) [user] read_list(')', (0x55772f068e50), ['Z'])
   Call: (195) [system] _1217116=['S', 'Z']
   Exit: (195) [system] ['S', 'Z']=['S', 'Z']
^  Exit: (194) [user] read_list(')', (0x55772f068e50), ['S', 'Z'])
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), ['S', 'Z'])
^  Call: (193) [user] read_list(')', (0x55772f068e50), _1454768)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1456626)
   Exit: (195) [system] peek_char((0x55772f068e50), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1472636)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x55772f068e50), _1476426)
   Exit: (194) [system] get_char((0x55772f068e50), ')')
   Call: (194) [system] _1454768=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [])
   Call: (193) [system] _1180456=[['S', 'Z']]
   Exit: (193) [system] [['S', 'Z']]=[['S', 'Z']]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [['S', 'Z']])
   Call: (192) [system] _1068258=[rb, ['S', 'Z']]
   Exit: (192) [system] [rb, ['S', 'Z']]=[rb, ['S', 'Z']]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [rb, ['S', 'Z']])
   Call: (191) [system] _956060=[kb, rb, ['S', 'Z']]
   Exit: (191) [system] [kb, rb, ['S', 'Z']]=[kb, rb, ['S', 'Z']]
^  Exit: (190) [user] read_list(')', (0x55772f068e50), [kb, rb, ['S', 'Z']])
   Call: (190) [system] _459098=[[:, _term, _type], kb, rb, ['S', 'Z']]
   Exit: (190) [system] [[:, _term, _type], kb, rb, ['S', 'Z']]=[[:, _term, _type], kb, rb, ['S', 'Z']]
^  Exit: (189) [user] read_list(')', (0x55772f068e50), [[:, _term, _type], kb, rb, ['S', 'Z']])
   Call: (189) [system] _204702=[synthesize, [:, _term, _type], kb, rb, ['S', 'Z']]
   Exit: (189) [system] [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']]=[synthesize, [:, _term, _type], kb, rb, ['S', 'Z']]
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']])
^  Exit: (187) [user] cont_sexpr(')', (0x55772f068e50), [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']])
^  Call: (187) [user] read_list(')', (0x55772f068e50), _1495896)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1497754)
   Exit: (189) [system] peek_char((0x55772f068e50), '\n')
   Call: (189) [system] '\n'=(;)
   Fail: (189) [system] '\n'=(;)
   Call: (189) [system] '\n'=(/)
   Fail: (189) [system] '\n'=(/)
^  Call: (189) [user] is_like_space('\n')
   Call: (190) [system] char_type('\n', 'white')
   Fail: (190) [system] char_type('\n', 'white')
   Call: (190) [system] char_type('\n', end_of_line)
   Exit: (190) [system] char_type('\n', end_of_line)
^  Exit: (189) [user] is_like_space('\n')
   Call: (189) [system] get_char((0x55772f068e50), _1509204)
   Exit: (189) [system] get_char((0x55772f068e50), '\n')
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1511908)
   Exit: (190) [system] peek_char((0x55772f068e50), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x55772f068e50), _1521502)
   Exit: (190) [system] get_char((0x55772f068e50), ' ')
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1524206)
   Exit: (191) [system] peek_char((0x55772f068e50), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x55772f068e50), _1533800)
   Exit: (191) [system] get_char((0x55772f068e50), ' ')
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1536504)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x55772f068e50), _1546098)
   Exit: (192) [system] get_char((0x55772f068e50), ' ')
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1548802)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _1558396)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1561100)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _1570694)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1573398)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _1582992)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1585696)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _1595290)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1597994)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _1607588)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1610292)
   Exit: (198) [system] peek_char((0x55772f068e50), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1634618)
   Exit: (188) [system] peek_char((0x55772f068e50), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x55772f068e50), _1640188)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1642046)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] get_char((0x55772f068e50), _1658056)
   Exit: (189) [system] get_char((0x55772f068e50), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x55772f068e50), _1640188)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1663626)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1679636)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x55772f068e50), _1685206)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1687064)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] get_char((0x55772f068e50), _1703074)
   Exit: (191) [system] get_char((0x55772f068e50), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x55772f068e50), _1685206)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1708644)
   Exit: (193) [system] peek_char((0x55772f068e50), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
   Call: (193) [system] (:)=(/)
   Fail: (193) [system] (:)=(/)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1724654)
   Exit: (192) [system] peek_char((0x55772f068e50), :)
   Call: (192) [system] (:)=')'
   Fail: (192) [system] (:)=')'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _1730224)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1732082)
   Exit: (194) [system] peek_char((0x55772f068e50), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _1748092)
   Exit: (193) [system] get_char((0x55772f068e50), :)
   Call: (193) [system] (:)='('
   Fail: (193) [system] (:)='('
   Call: (193) [system] (:)='['
   Fail: (193) [system] (:)='['
   Call: (193) [system] (:)='{'
   Fail: (193) [system] (:)='{'
   Call: (193) [system] (:)='"'
   Fail: (193) [system] (:)='"'
   Call: (193) [system] (:)=!
   Fail: (193) [system] (:)=!
   Call: (193) [system] (:)='\''
   Fail: (193) [system] (:)='\''
   Call: (193) [system] (:)='`'
   Fail: (193) [system] (:)='`'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x55772f068e50), :, _1730224)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _1765734)
   Call: (195) [system] peek_char((0x55772f068e50), _1766668)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _1765734=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (194) [user] classify_and_convert_charseq([:], _1730224)
^  Call: (195) [user] classify_and_convert_charseq_([:], _1775952)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1776904, _1776906), once(user:catch(read_from_chars([:], _1775952), _1776886, fail)), '$restore_trace'(_1776904, _1776906))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1776904, _1776906))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1776886, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(:)
   Exit: (196) [system] atomic(:)
^  Exit: (195) [user] classify_and_convert_charseq_([:], :)
   Call: (195) [system] integer(:)
   Fail: (195) [system] integer(:)
   Call: (195) [system] _1730224=(:)
   Exit: (195) [system] (:)=(:)
^  Exit: (194) [user] classify_and_convert_charseq([:], :)
^  Exit: (193) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (192) [user] read_list(')', (0x55772f068e50), _1789032)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1790890)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _1800484)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1803188)
   Exit: (195) [system] peek_char((0x55772f068e50), a)
   Call: (195) [system] a=(;)
   Fail: (195) [system] a=(;)
   Call: (195) [system] a=(/)
   Fail: (195) [system] a=(/)
^  Call: (195) [user] is_like_space(a)
   Call: (196) [system] char_type(a, 'white')
   Fail: (196) [system] char_type(a, 'white')
   Call: (196) [system] char_type(a, end_of_line)
   Fail: (196) [system] char_type(a, end_of_line)
   Call: (196) [system] char_type(a, space)
   Fail: (196) [system] char_type(a, space)
   Call: (196) [system] char_type(a, cntrl)
   Fail: (196) [system] char_type(a, cntrl)
^  Fail: (195) [user] is_like_space(a)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1820122)
   Exit: (193) [system] peek_char((0x55772f068e50), a)
   Call: (193) [system] a=')'
   Fail: (193) [system] a=')'
   Call: (193) [system] a=end_of_file
   Fail: (193) [system] a=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _1825692)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1827550)
   Exit: (195) [system] peek_char((0x55772f068e50), a)
   Call: (195) [system] a=(;)
   Fail: (195) [system] a=(;)
   Call: (195) [system] a=(/)
   Fail: (195) [system] a=(/)
^  Call: (195) [user] is_like_space(a)
   Call: (196) [system] char_type(a, 'white')
   Fail: (196) [system] char_type(a, 'white')
   Call: (196) [system] char_type(a, end_of_line)
   Fail: (196) [system] char_type(a, end_of_line)
   Call: (196) [system] char_type(a, space)
   Fail: (196) [system] char_type(a, space)
   Call: (196) [system] char_type(a, cntrl)
   Fail: (196) [system] char_type(a, cntrl)
^  Fail: (195) [user] is_like_space(a)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _1843560)
   Exit: (194) [system] get_char((0x55772f068e50), a)
   Call: (194) [system] a='('
   Fail: (194) [system] a='('
   Call: (194) [system] a='['
   Fail: (194) [system] a='['
   Call: (194) [system] a='{'
   Fail: (194) [system] a='{'
   Call: (194) [system] a='"'
   Fail: (194) [system] a='"'
   Call: (194) [system] a=!
   Fail: (194) [system] a=!
   Call: (194) [system] a='\''
   Fail: (194) [system] a='\''
   Call: (194) [system] a='`'
   Fail: (194) [system] a='`'
   Call: (194) [system] a=end_of_file
   Fail: (194) [system] a=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x55772f068e50), a, _1825692)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _1861202)
   Call: (196) [system] peek_char((0x55772f068e50), _1862136)
   Exit: (196) [system] peek_char((0x55772f068e50), b)
^  Call: (196) [user] is_delimiter(b)
   Call: (197) [system] char_type(b, space)
   Fail: (197) [system] char_type(b, space)
   Call: (197) [system] arg(_1866856, v('(', ')', end_of_file), b)
   Fail: (197) [system] arg(_1867788, v('(', ')', end_of_file), b)
^  Fail: (196) [user] is_delimiter(b)
   Call: (196) [system] ')'==b
   Fail: (196) [system] ')'==b
   Call: (196) [system] get_char((0x55772f068e50), b)
   Exit: (196) [system] get_char((0x55772f068e50), b)
   Call: (196) [system] b=(\)
   Fail: (196) [system] b=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1875138)
   Call: (197) [system] peek_char((0x55772f068e50), _1876072)
   Exit: (197) [system] peek_char((0x55772f068e50), c)
^  Call: (197) [user] is_delimiter(c)
   Call: (198) [system] char_type(c, space)
   Fail: (198) [system] char_type(c, space)
   Call: (198) [system] arg(_1880792, v('(', ')', end_of_file), c)
   Fail: (198) [system] arg(_1881724, v('(', ')', end_of_file), c)
^  Fail: (197) [user] is_delimiter(c)
   Call: (197) [system] ')'==c
   Fail: (197) [system] ')'==c
   Call: (197) [system] get_char((0x55772f068e50), c)
   Exit: (197) [system] get_char((0x55772f068e50), c)
   Call: (197) [system] c=(\)
   Fail: (197) [system] c=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1889074)
   Call: (198) [system] peek_char((0x55772f068e50), _1890008)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1889074=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (197) [system] _1875138=[c]
   Exit: (197) [system] [c]=[c]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (196) [system] _1861202=[b, c]
   Exit: (196) [system] [b, c]=[b, c]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (195) [user] classify_and_convert_charseq([a, b, c], _1825692)
^  Call: (196) [user] classify_and_convert_charseq_([a, b, c], _1904880)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1905832, _1905834), once(user:catch(read_from_chars([a, b, c], _1904880), _1905814, fail)), '$restore_trace'(_1905832, _1905834))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1905832, _1905834))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1905814, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(abc)
   Exit: (197) [system] atomic(abc)
^  Exit: (196) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (196) [system] integer(abc)
   Fail: (196) [system] integer(abc)
   Call: (196) [system] _1825692=abc
   Exit: (196) [system] abc=abc
^  Exit: (195) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (194) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (193) [user] read_list(')', (0x55772f068e50), _1917960)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1919818)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _1929412)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1932116)
   Exit: (196) [system] peek_char((0x55772f068e50), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1949050)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _1954620)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1956478)
   Exit: (196) [system] peek_char((0x55772f068e50), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _1972488)
   Exit: (195) [system] get_char((0x55772f068e50), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x55772f068e50), _1954620)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1978058)
   Exit: (197) [system] peek_char((0x55772f068e50), 'I')
   Call: (197) [system] 'I'=(;)
   Fail: (197) [system] 'I'=(;)
   Call: (197) [system] 'I'=(/)
   Fail: (197) [system] 'I'=(/)
^  Call: (197) [user] is_like_space('I')
   Call: (198) [system] char_type('I', 'white')
   Fail: (198) [system] char_type('I', 'white')
   Call: (198) [system] char_type('I', end_of_line)
   Fail: (198) [system] char_type('I', end_of_line)
   Call: (198) [system] char_type('I', space)
   Fail: (198) [system] char_type('I', space)
   Call: (198) [system] char_type('I', cntrl)
   Fail: (198) [system] char_type('I', cntrl)
^  Fail: (197) [user] is_like_space('I')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1994068)
   Exit: (196) [system] peek_char((0x55772f068e50), 'I')
   Call: (196) [system] 'I'=')'
   Fail: (196) [system] 'I'=')'
   Call: (196) [system] 'I'=end_of_file
   Fail: (196) [system] 'I'=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _1999638)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _2001496)
   Exit: (198) [system] peek_char((0x55772f068e50), 'I')
   Call: (198) [system] 'I'=(;)
   Fail: (198) [system] 'I'=(;)
   Call: (198) [system] 'I'=(/)
   Fail: (198) [system] 'I'=(/)
^  Call: (198) [user] is_like_space('I')
   Call: (199) [system] char_type('I', 'white')
   Fail: (199) [system] char_type('I', 'white')
   Call: (199) [system] char_type('I', end_of_line)
   Fail: (199) [system] char_type('I', end_of_line)
   Call: (199) [system] char_type('I', space)
   Fail: (199) [system] char_type('I', space)
   Call: (199) [system] char_type('I', cntrl)
   Fail: (199) [system] char_type('I', cntrl)
^  Fail: (198) [user] is_like_space('I')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _2017506)
   Exit: (197) [system] get_char((0x55772f068e50), 'I')
   Call: (197) [system] 'I'='('
   Fail: (197) [system] 'I'='('
   Call: (197) [system] 'I'='['
   Fail: (197) [system] 'I'='['
   Call: (197) [system] 'I'='{'
   Fail: (197) [system] 'I'='{'
   Call: (197) [system] 'I'='"'
   Fail: (197) [system] 'I'='"'
   Call: (197) [system] 'I'=!
   Fail: (197) [system] 'I'=!
   Call: (197) [system] 'I'='\''
   Fail: (197) [system] 'I'='\''
   Call: (197) [system] 'I'='`'
   Fail: (197) [system] 'I'='`'
   Call: (197) [system] 'I'=end_of_file
   Fail: (197) [system] 'I'=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x55772f068e50), 'I', _1999638)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _2035148)
   Call: (199) [system] peek_char((0x55772f068e50), _2036082)
   Exit: (199) [system] peek_char((0x55772f068e50), m)
^  Call: (199) [user] is_delimiter(m)
   Call: (200) [system] char_type(m, space)
   Fail: (200) [system] char_type(m, space)
   Call: (200) [system] arg(_2040802, v('(', ')', end_of_file), m)
   Fail: (200) [system] arg(_2041734, v('(', ')', end_of_file), m)
^  Fail: (199) [user] is_delimiter(m)
   Call: (199) [system] ')'==m
   Fail: (199) [system] ')'==m
   Call: (199) [system] get_char((0x55772f068e50), m)
   Exit: (199) [system] get_char((0x55772f068e50), m)
   Call: (199) [system] m=(\)
   Fail: (199) [system] m=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _2049084)
   Call: (200) [system] peek_char((0x55772f068e50), _2050018)
   Exit: (200) [system] peek_char((0x55772f068e50), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_2054738, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_2055670, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x55772f068e50), p)
   Exit: (200) [system] get_char((0x55772f068e50), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _2063020)
   Call: (201) [system] peek_char((0x55772f068e50), _2063954)
   Exit: (201) [system] peek_char((0x55772f068e50), l)
^  Call: (201) [user] is_delimiter(l)
   Call: (202) [system] char_type(l, space)
   Fail: (202) [system] char_type(l, space)
   Call: (202) [system] arg(_2068674, v('(', ')', end_of_file), l)
   Fail: (202) [system] arg(_2069606, v('(', ')', end_of_file), l)
^  Fail: (201) [user] is_delimiter(l)
   Call: (201) [system] ')'==l
   Fail: (201) [system] ')'==l
   Call: (201) [system] get_char((0x55772f068e50), l)
   Exit: (201) [system] get_char((0x55772f068e50), l)
   Call: (201) [system] l=(\)
   Fail: (201) [system] l=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _2076956)
   Call: (202) [system] peek_char((0x55772f068e50), _2077890)
   Exit: (202) [system] peek_char((0x55772f068e50), i)
^  Call: (202) [user] is_delimiter(i)
   Call: (203) [system] char_type(i, space)
   Fail: (203) [system] char_type(i, space)
   Call: (203) [system] arg(_2082610, v('(', ')', end_of_file), i)
   Fail: (203) [system] arg(_2083542, v('(', ')', end_of_file), i)
^  Fail: (202) [user] is_delimiter(i)
   Call: (202) [system] ')'==i
   Fail: (202) [system] ')'==i
   Call: (202) [system] get_char((0x55772f068e50), i)
   Exit: (202) [system] get_char((0x55772f068e50), i)
   Call: (202) [system] i=(\)
   Fail: (202) [system] i=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _2090892)
   Call: (203) [system] peek_char((0x55772f068e50), _2091826)
   Exit: (203) [system] peek_char((0x55772f068e50), c)
^  Call: (203) [user] is_delimiter(c)
   Call: (204) [system] char_type(c, space)
   Fail: (204) [system] char_type(c, space)
   Call: (204) [system] arg(_3568, v('(', ')', end_of_file), c)
   Fail: (204) [system] arg(_4188, v('(', ')', end_of_file), c)
^  Fail: (203) [user] is_delimiter(c)
   Call: (203) [system] ')'==c
   Fail: (203) [system] ')'==c
   Call: (203) [system] get_char((0x55772f068e50), c)
   Exit: (203) [system] get_char((0x55772f068e50), c)
   Call: (203) [system] c=(\)
   Fail: (203) [system] c=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _11538)
   Call: (204) [system] peek_char((0x55772f068e50), _12472)
   Exit: (204) [system] peek_char((0x55772f068e50), a)
^  Call: (204) [user] is_delimiter(a)
   Call: (205) [system] char_type(a, space)
   Fail: (205) [system] char_type(a, space)
   Call: (205) [system] arg(_17192, v('(', ')', end_of_file), a)
   Fail: (205) [system] arg(_18124, v('(', ')', end_of_file), a)
^  Fail: (204) [user] is_delimiter(a)
   Call: (204) [system] ')'==a
   Fail: (204) [system] ')'==a
   Call: (204) [system] get_char((0x55772f068e50), a)
   Exit: (204) [system] get_char((0x55772f068e50), a)
   Call: (204) [system] a=(\)
   Fail: (204) [system] a=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _25474)
   Call: (205) [system] peek_char((0x55772f068e50), _26408)
   Exit: (205) [system] peek_char((0x55772f068e50), t)
^  Call: (205) [user] is_delimiter(t)
   Call: (206) [system] char_type(t, space)
   Fail: (206) [system] char_type(t, space)
   Call: (206) [system] arg(_31128, v('(', ')', end_of_file), t)
   Fail: (206) [system] arg(_32060, v('(', ')', end_of_file), t)
^  Fail: (205) [user] is_delimiter(t)
   Call: (205) [system] ')'==t
   Fail: (205) [system] ')'==t
   Call: (205) [system] get_char((0x55772f068e50), t)
   Exit: (205) [system] get_char((0x55772f068e50), t)
   Call: (205) [system] t=(\)
   Fail: (205) [system] t=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _39410)
   Call: (206) [system] peek_char((0x55772f068e50), _40344)
   Exit: (206) [system] peek_char((0x55772f068e50), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_45064, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_45996, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x55772f068e50), i)
   Exit: (206) [system] get_char((0x55772f068e50), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _53346)
   Call: (207) [system] peek_char((0x55772f068e50), _54280)
   Exit: (207) [system] peek_char((0x55772f068e50), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_59000, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_59932, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x55772f068e50), o)
   Exit: (207) [system] get_char((0x55772f068e50), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _67282)
   Call: (208) [system] peek_char((0x55772f068e50), _68216)
   Exit: (208) [system] peek_char((0x55772f068e50), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_72936, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_73868, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x55772f068e50), n)
   Exit: (208) [system] get_char((0x55772f068e50), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _81218)
   Call: (209) [system] peek_char((0x55772f068e50), _82152)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _81218=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (208) [system] _67282=[n]
   Exit: (208) [system] [n]=[n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (207) [system] _53346=[o, n]
   Exit: (207) [system] [o, n]=[o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (206) [system] _39410=[i, o, n]
   Exit: (206) [system] [i, o, n]=[i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (205) [system] _25474=[t, i, o, n]
   Exit: (205) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (204) [system] _11538=[a, t, i, o, n]
   Exit: (204) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (203) [system] _3498=[c, a, t, i, o, n]
   Exit: (203) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (202) [system] _3494=[i, c, a, t, i, o, n]
   Exit: (202) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (201) [system] _3490=[l, i, c, a, t, i, o, n]
   Exit: (201) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (200) [system] _3486=[p, l, i, c, a, t, i, o, n]
   Exit: (200) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (199) [system] _3482=[m, p, l, i, c, a, t, i, o, n]
   Exit: (199) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (198) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _3478)
^  Call: (199) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _119376)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_120328, _120330), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _119376), _120310, fail)), '$restore_trace'(_120328, _120330))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_120328, _120330))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _119376), _120310, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(_119376)
   Fail: (200) [system] atomic(_119376)
   Call: (200) [system] atom_chars(_119376, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (200) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (199) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (199) [system] integer('Implication')
   Fail: (199) [system] integer('Implication')
   Call: (199) [system] _3478='Implication'
   Exit: (199) [system] 'Implication'='Implication'
^  Exit: (198) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (197) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (196) [user] read_list(')', (0x55772f068e50), _134326)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _136184)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _145778)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _148482)
   Exit: (199) [system] peek_char((0x55772f068e50), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _165416)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _170986)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _172844)
   Exit: (199) [system] peek_char((0x55772f068e50), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _188854)
   Exit: (198) [system] get_char((0x55772f068e50), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x55772f068e50), _170986)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _194424)
   Exit: (200) [system] peek_char((0x55772f068e50), 'A')
   Call: (200) [system] 'A'=(;)
   Fail: (200) [system] 'A'=(;)
   Call: (200) [system] 'A'=(/)
   Fail: (200) [system] 'A'=(/)
^  Call: (200) [user] is_like_space('A')
   Call: (201) [system] char_type('A', 'white')
   Fail: (201) [system] char_type('A', 'white')
   Call: (201) [system] char_type('A', end_of_line)
   Fail: (201) [system] char_type('A', end_of_line)
   Call: (201) [system] char_type('A', space)
   Fail: (201) [system] char_type('A', space)
   Call: (201) [system] char_type('A', cntrl)
   Fail: (201) [system] char_type('A', cntrl)
^  Fail: (200) [user] is_like_space('A')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _210434)
   Exit: (199) [system] peek_char((0x55772f068e50), 'A')
   Call: (199) [system] 'A'=')'
   Fail: (199) [system] 'A'=')'
   Call: (199) [system] 'A'=end_of_file
   Fail: (199) [system] 'A'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _216004)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _217862)
   Exit: (201) [system] peek_char((0x55772f068e50), 'A')
   Call: (201) [system] 'A'=(;)
   Fail: (201) [system] 'A'=(;)
   Call: (201) [system] 'A'=(/)
   Fail: (201) [system] 'A'=(/)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Fail: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Fail: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Fail: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
   Fail: (202) [system] char_type('A', cntrl)
^  Fail: (201) [user] is_like_space('A')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _233872)
   Exit: (200) [system] get_char((0x55772f068e50), 'A')
   Call: (200) [system] 'A'='('
   Fail: (200) [system] 'A'='('
   Call: (200) [system] 'A'='['
   Fail: (200) [system] 'A'='['
   Call: (200) [system] 'A'='{'
   Fail: (200) [system] 'A'='{'
   Call: (200) [system] 'A'='"'
   Fail: (200) [system] 'A'='"'
   Call: (200) [system] 'A'=!
   Fail: (200) [system] 'A'=!
   Call: (200) [system] 'A'='\''
   Fail: (200) [system] 'A'='\''
   Call: (200) [system] 'A'='`'
   Fail: (200) [system] 'A'='`'
   Call: (200) [system] 'A'=end_of_file
   Fail: (200) [system] 'A'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), 'A', _216004)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _251514)
   Call: (202) [system] peek_char((0x55772f068e50), _252448)
   Exit: (202) [system] peek_char((0x55772f068e50), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Fail: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_257168, v('(', ')', end_of_file), n)
   Fail: (203) [system] arg(_258100, v('(', ')', end_of_file), n)
^  Fail: (202) [user] is_delimiter(n)
   Call: (202) [system] ')'==n
   Fail: (202) [system] ')'==n
   Call: (202) [system] get_char((0x55772f068e50), n)
   Exit: (202) [system] get_char((0x55772f068e50), n)
   Call: (202) [system] n=(\)
   Fail: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _265450)
   Call: (203) [system] peek_char((0x55772f068e50), _266384)
   Exit: (203) [system] peek_char((0x55772f068e50), d)
^  Call: (203) [user] is_delimiter(d)
   Call: (204) [system] char_type(d, space)
   Fail: (204) [system] char_type(d, space)
   Call: (204) [system] arg(_271104, v('(', ')', end_of_file), d)
   Fail: (204) [system] arg(_272036, v('(', ')', end_of_file), d)
^  Fail: (203) [user] is_delimiter(d)
   Call: (203) [system] ')'==d
   Fail: (203) [system] ')'==d
   Call: (203) [system] get_char((0x55772f068e50), d)
   Exit: (203) [system] get_char((0x55772f068e50), d)
   Call: (203) [system] d=(\)
   Fail: (203) [system] d=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _279386)
   Call: (204) [system] peek_char((0x55772f068e50), _280320)
   Exit: (204) [system] peek_char((0x55772f068e50), 'L')
^  Call: (204) [user] is_delimiter('L')
   Call: (205) [system] char_type('L', space)
   Fail: (205) [system] char_type('L', space)
   Call: (205) [system] arg(_285040, v('(', ')', end_of_file), 'L')
   Fail: (205) [system] arg(_285972, v('(', ')', end_of_file), 'L')
^  Fail: (204) [user] is_delimiter('L')
   Call: (204) [system] ')'=='L'
   Fail: (204) [system] ')'=='L'
   Call: (204) [system] get_char((0x55772f068e50), 'L')
   Exit: (204) [system] get_char((0x55772f068e50), 'L')
   Call: (204) [system] 'L'=(\)
   Fail: (204) [system] 'L'=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _293322)
   Call: (205) [system] peek_char((0x55772f068e50), _294256)
   Exit: (205) [system] peek_char((0x55772f068e50), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_298976, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_299908, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x55772f068e50), i)
   Exit: (205) [system] get_char((0x55772f068e50), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _307258)
   Call: (206) [system] peek_char((0x55772f068e50), _308192)
   Exit: (206) [system] peek_char((0x55772f068e50), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Fail: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_312912, v('(', ')', end_of_file), n)
   Fail: (207) [system] arg(_313844, v('(', ')', end_of_file), n)
^  Fail: (206) [user] is_delimiter(n)
   Call: (206) [system] ')'==n
   Fail: (206) [system] ')'==n
   Call: (206) [system] get_char((0x55772f068e50), n)
   Exit: (206) [system] get_char((0x55772f068e50), n)
   Call: (206) [system] n=(\)
   Fail: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _321194)
   Call: (207) [system] peek_char((0x55772f068e50), _322128)
   Exit: (207) [system] peek_char((0x55772f068e50), k)
^  Call: (207) [user] is_delimiter(k)
   Call: (208) [system] char_type(k, space)
   Fail: (208) [system] char_type(k, space)
   Call: (208) [system] arg(_326848, v('(', ')', end_of_file), k)
   Fail: (208) [system] arg(_327780, v('(', ')', end_of_file), k)
^  Fail: (207) [user] is_delimiter(k)
   Call: (207) [system] ')'==k
   Fail: (207) [system] ')'==k
   Call: (207) [system] get_char((0x55772f068e50), k)
   Exit: (207) [system] get_char((0x55772f068e50), k)
   Call: (207) [system] k=(\)
   Fail: (207) [system] k=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _335130)
   Call: (208) [system] peek_char((0x55772f068e50), _336064)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _335130=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (207) [system] _321194=[k]
   Exit: (207) [system] [k]=[k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (206) [system] _307258=[n, k]
   Exit: (206) [system] [n, k]=[n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (205) [system] _293322=[i, n, k]
   Exit: (205) [system] [i, n, k]=[i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (204) [system] _279386=['L', i, n, k]
   Exit: (204) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (203) [system] _265450=[d, 'L', i, n, k]
   Exit: (203) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (202) [system] _251514=[n, d, 'L', i, n, k]
   Exit: (202) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (201) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _216004)
^  Call: (202) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _362112)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_363064, _363066), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _362112), _363046, fail)), '$restore_trace'(_363064, _363066))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_363064, _363066))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _362112), _363046, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_362112)
   Fail: (203) [system] atomic(_362112)
   Call: (203) [system] atom_chars(_362112, ['A', n, d, 'L', i, n, k])
   Exit: (203) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (202) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (202) [system] integer('AndLink')
   Fail: (202) [system] integer('AndLink')
   Call: (202) [system] _216004='AndLink'
   Exit: (202) [system] 'AndLink'='AndLink'
^  Exit: (201) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (199) [user] read_list(')', (0x55772f068e50), _377062)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _378920)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _388514)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _391218)
   Exit: (202) [system] peek_char((0x55772f068e50), 'A')
   Call: (202) [system] 'A'=(;)
   Fail: (202) [system] 'A'=(;)
   Call: (202) [system] 'A'=(/)
   Fail: (202) [system] 'A'=(/)
^  Call: (202) [user] is_like_space('A')
   Call: (203) [system] char_type('A', 'white')
   Fail: (203) [system] char_type('A', 'white')
   Call: (203) [system] char_type('A', end_of_line)
   Fail: (203) [system] char_type('A', end_of_line)
   Call: (203) [system] char_type('A', space)
   Fail: (203) [system] char_type('A', space)
   Call: (203) [system] char_type('A', cntrl)
   Fail: (203) [system] char_type('A', cntrl)
^  Fail: (202) [user] is_like_space('A')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _408152)
   Exit: (200) [system] peek_char((0x55772f068e50), 'A')
   Call: (200) [system] 'A'=')'
   Fail: (200) [system] 'A'=')'
   Call: (200) [system] 'A'=end_of_file
   Fail: (200) [system] 'A'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _413722)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _415580)
   Exit: (202) [system] peek_char((0x55772f068e50), 'A')
   Call: (202) [system] 'A'=(;)
   Fail: (202) [system] 'A'=(;)
   Call: (202) [system] 'A'=(/)
   Fail: (202) [system] 'A'=(/)
^  Call: (202) [user] is_like_space('A')
   Call: (203) [system] char_type('A', 'white')
   Fail: (203) [system] char_type('A', 'white')
   Call: (203) [system] char_type('A', end_of_line)
   Fail: (203) [system] char_type('A', end_of_line)
   Call: (203) [system] char_type('A', space)
   Fail: (203) [system] char_type('A', space)
   Call: (203) [system] char_type('A', cntrl)
   Fail: (203) [system] char_type('A', cntrl)
^  Fail: (202) [user] is_like_space('A')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _431590)
   Exit: (201) [system] get_char((0x55772f068e50), 'A')
   Call: (201) [system] 'A'='('
   Fail: (201) [system] 'A'='('
   Call: (201) [system] 'A'='['
   Fail: (201) [system] 'A'='['
   Call: (201) [system] 'A'='{'
   Fail: (201) [system] 'A'='{'
   Call: (201) [system] 'A'='"'
   Fail: (201) [system] 'A'='"'
   Call: (201) [system] 'A'=!
   Fail: (201) [system] 'A'=!
   Call: (201) [system] 'A'='\''
   Fail: (201) [system] 'A'='\''
   Call: (201) [system] 'A'='`'
   Fail: (201) [system] 'A'='`'
   Call: (201) [system] 'A'=end_of_file
   Fail: (201) [system] 'A'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), 'A', _413722)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _449232)
   Call: (203) [system] peek_char((0x55772f068e50), _450166)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _449232=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (202) [user] classify_and_convert_charseq(['A'], _413722)
^  Call: (203) [user] classify_and_convert_charseq_(['A'], _459450)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_460402, _460404), once(user:catch(read_from_chars(['A'], _459450), _460384, fail)), '$restore_trace'(_460402, _460404))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_460402, _460404))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _459450), _460384, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_459450)
   Fail: (204) [system] atomic(_459450)
   Call: (204) [system] atom_chars(_459450, ['A'])
   Exit: (204) [system] atom_chars('A', ['A'])
^  Exit: (203) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (203) [system] integer('A')
   Fail: (203) [system] integer('A')
   Call: (203) [system] _413722='A'
   Exit: (203) [system] 'A'='A'
^  Exit: (202) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (200) [user] read_list(')', (0x55772f068e50), _474400)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _476258)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _485852)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _488556)
   Exit: (203) [system] peek_char((0x55772f068e50), 'B')
   Call: (203) [system] 'B'=(;)
   Fail: (203) [system] 'B'=(;)
   Call: (203) [system] 'B'=(/)
   Fail: (203) [system] 'B'=(/)
^  Call: (203) [user] is_like_space('B')
   Call: (204) [system] char_type('B', 'white')
   Fail: (204) [system] char_type('B', 'white')
   Call: (204) [system] char_type('B', end_of_line)
   Fail: (204) [system] char_type('B', end_of_line)
   Call: (204) [system] char_type('B', space)
   Fail: (204) [system] char_type('B', space)
   Call: (204) [system] char_type('B', cntrl)
   Fail: (204) [system] char_type('B', cntrl)
^  Fail: (203) [user] is_like_space('B')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _505490)
   Exit: (201) [system] peek_char((0x55772f068e50), 'B')
   Call: (201) [system] 'B'=')'
   Fail: (201) [system] 'B'=')'
   Call: (201) [system] 'B'=end_of_file
   Fail: (201) [system] 'B'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _511060)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _512918)
   Exit: (203) [system] peek_char((0x55772f068e50), 'B')
   Call: (203) [system] 'B'=(;)
   Fail: (203) [system] 'B'=(;)
   Call: (203) [system] 'B'=(/)
   Fail: (203) [system] 'B'=(/)
^  Call: (203) [user] is_like_space('B')
   Call: (204) [system] char_type('B', 'white')
   Fail: (204) [system] char_type('B', 'white')
   Call: (204) [system] char_type('B', end_of_line)
   Fail: (204) [system] char_type('B', end_of_line)
   Call: (204) [system] char_type('B', space)
   Fail: (204) [system] char_type('B', space)
   Call: (204) [system] char_type('B', cntrl)
   Fail: (204) [system] char_type('B', cntrl)
^  Fail: (203) [user] is_like_space('B')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _528928)
   Exit: (202) [system] get_char((0x55772f068e50), 'B')
   Call: (202) [system] 'B'='('
   Fail: (202) [system] 'B'='('
   Call: (202) [system] 'B'='['
   Fail: (202) [system] 'B'='['
   Call: (202) [system] 'B'='{'
   Fail: (202) [system] 'B'='{'
   Call: (202) [system] 'B'='"'
   Fail: (202) [system] 'B'='"'
   Call: (202) [system] 'B'=!
   Fail: (202) [system] 'B'=!
   Call: (202) [system] 'B'='\''
   Fail: (202) [system] 'B'='\''
   Call: (202) [system] 'B'='`'
   Fail: (202) [system] 'B'='`'
   Call: (202) [system] 'B'=end_of_file
   Fail: (202) [system] 'B'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), 'B', _511060)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _546570)
   Call: (204) [system] peek_char((0x55772f068e50), _547504)
   Exit: (204) [system] peek_char((0x55772f068e50), ')')
^  Call: (204) [user] is_delimiter(')')
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] arg(_552224, v('(', ')', end_of_file), ')')
   Exit: (205) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (204) [user] is_delimiter(')')
   Call: (204) [system] _546570=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (203) [user] classify_and_convert_charseq(['B'], _511060)
^  Call: (204) [user] classify_and_convert_charseq_(['B'], _558660)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_559612, _559614), once(user:catch(read_from_chars(['B'], _558660), _559594, fail)), '$restore_trace'(_559612, _559614))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_559612, _559614))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _558660), _559594, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_558660)
   Fail: (205) [system] atomic(_558660)
   Call: (205) [system] atom_chars(_558660, ['B'])
   Exit: (205) [system] atom_chars('B', ['B'])
^  Exit: (204) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (204) [system] integer('B')
   Fail: (204) [system] integer('B')
   Call: (204) [system] _511060='B'
   Exit: (204) [system] 'B'='B'
^  Exit: (203) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (201) [user] read_list(')', (0x55772f068e50), _573610)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _575468)
   Exit: (203) [system] peek_char((0x55772f068e50), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _591478)
   Exit: (202) [system] peek_char((0x55772f068e50), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x55772f068e50), _595268)
   Exit: (202) [system] get_char((0x55772f068e50), ')')
   Call: (202) [system] _573610=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [])
   Call: (201) [system] _474400=['B']
   Exit: (201) [system] ['B']=['B']
^  Exit: (200) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (200) [system] _377062=['A', 'B']
   Exit: (200) [system] ['A', 'B']=['A', 'B']
^  Exit: (199) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (199) [system] _170986=['AndLink', 'A', 'B']
   Exit: (199) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (198) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (197) [user] read_list(')', (0x55772f068e50), _609150)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _611008)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _620602)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _623306)
   Exit: (200) [system] peek_char((0x55772f068e50), 'C')
   Call: (200) [system] 'C'=(;)
   Fail: (200) [system] 'C'=(;)
   Call: (200) [system] 'C'=(/)
   Fail: (200) [system] 'C'=(/)
^  Call: (200) [user] is_like_space('C')
   Call: (201) [system] char_type('C', 'white')
   Fail: (201) [system] char_type('C', 'white')
   Call: (201) [system] char_type('C', end_of_line)
   Fail: (201) [system] char_type('C', end_of_line)
   Call: (201) [system] char_type('C', space)
   Fail: (201) [system] char_type('C', space)
   Call: (201) [system] char_type('C', cntrl)
   Fail: (201) [system] char_type('C', cntrl)
^  Fail: (200) [user] is_like_space('C')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _640240)
   Exit: (198) [system] peek_char((0x55772f068e50), 'C')
   Call: (198) [system] 'C'=')'
   Fail: (198) [system] 'C'=')'
   Call: (198) [system] 'C'=end_of_file
   Fail: (198) [system] 'C'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _645810)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _647668)
   Exit: (200) [system] peek_char((0x55772f068e50), 'C')
   Call: (200) [system] 'C'=(;)
   Fail: (200) [system] 'C'=(;)
   Call: (200) [system] 'C'=(/)
   Fail: (200) [system] 'C'=(/)
^  Call: (200) [user] is_like_space('C')
   Call: (201) [system] char_type('C', 'white')
   Fail: (201) [system] char_type('C', 'white')
   Call: (201) [system] char_type('C', end_of_line)
   Fail: (201) [system] char_type('C', end_of_line)
   Call: (201) [system] char_type('C', space)
   Fail: (201) [system] char_type('C', space)
   Call: (201) [system] char_type('C', cntrl)
   Fail: (201) [system] char_type('C', cntrl)
^  Fail: (200) [user] is_like_space('C')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _663678)
   Exit: (199) [system] get_char((0x55772f068e50), 'C')
   Call: (199) [system] 'C'='('
   Fail: (199) [system] 'C'='('
   Call: (199) [system] 'C'='['
   Fail: (199) [system] 'C'='['
   Call: (199) [system] 'C'='{'
   Fail: (199) [system] 'C'='{'
   Call: (199) [system] 'C'='"'
   Fail: (199) [system] 'C'='"'
   Call: (199) [system] 'C'=!
   Fail: (199) [system] 'C'=!
   Call: (199) [system] 'C'='\''
   Fail: (199) [system] 'C'='\''
   Call: (199) [system] 'C'='`'
   Fail: (199) [system] 'C'='`'
   Call: (199) [system] 'C'=end_of_file
   Fail: (199) [system] 'C'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x55772f068e50), 'C', _645810)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _681320)
   Call: (201) [system] peek_char((0x55772f068e50), _682254)
   Exit: (201) [system] peek_char((0x55772f068e50), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_686974, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _681320=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (200) [user] classify_and_convert_charseq(['C'], _645810)
^  Call: (201) [user] classify_and_convert_charseq_(['C'], _693410)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_694362, _694364), once(user:catch(read_from_chars(['C'], _693410), _694344, fail)), '$restore_trace'(_694362, _694364))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_694362, _694364))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _693410), _694344, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_693410)
   Fail: (202) [system] atomic(_693410)
   Call: (202) [system] atom_chars(_693410, ['C'])
   Exit: (202) [system] atom_chars('C', ['C'])
^  Exit: (201) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (201) [system] integer('C')
   Fail: (201) [system] integer('C')
   Call: (201) [system] _645810='C'
   Exit: (201) [system] 'C'='C'
^  Exit: (200) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (199) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (198) [user] read_list(')', (0x55772f068e50), _708360)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _710218)
   Exit: (200) [system] peek_char((0x55772f068e50), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
   Call: (200) [system] ')'=(/)
   Fail: (200) [system] ')'=(/)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _726228)
   Exit: (199) [system] peek_char((0x55772f068e50), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x55772f068e50), _730018)
   Exit: (199) [system] get_char((0x55772f068e50), ')')
   Call: (199) [system] _708360=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [])
   Call: (198) [system] _609150=['C']
   Exit: (198) [system] ['C']=['C']
^  Exit: (197) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (197) [system] _134326=[['AndLink', 'A', 'B'], 'C']
   Exit: (197) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (196) [system] _3472=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (196) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (195) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (194) [user] read_list(')', (0x55772f068e50), _743900)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _745758)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _761768)
   Exit: (195) [system] peek_char((0x55772f068e50), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x55772f068e50), _765558)
   Exit: (195) [system] get_char((0x55772f068e50), ')')
   Call: (195) [system] _743900=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [])
   Call: (194) [system] _3468=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (194) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (193) [system] _3462=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (193) [system] [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (192) [system] _3454=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (192) [system] [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (190) [user] cont_sexpr(')', (0x55772f068e50), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (190) [user] read_list(')', (0x55772f068e50), _779440)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _781298)
   Exit: (192) [system] peek_char((0x55772f068e50), '\n')
   Call: (192) [system] '\n'=(;)
   Fail: (192) [system] '\n'=(;)
   Call: (192) [system] '\n'=(/)
   Fail: (192) [system] '\n'=(/)
^  Call: (192) [user] is_like_space('\n')
   Call: (193) [system] char_type('\n', 'white')
   Fail: (193) [system] char_type('\n', 'white')
   Call: (193) [system] char_type('\n', end_of_line)
   Exit: (193) [system] char_type('\n', end_of_line)
^  Exit: (192) [user] is_like_space('\n')
   Call: (192) [system] get_char((0x55772f068e50), _792748)
   Exit: (192) [system] get_char((0x55772f068e50), '\n')
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _795452)
   Exit: (193) [system] peek_char((0x55772f068e50), '\t')
   Call: (193) [system] '\t'=(;)
   Fail: (193) [system] '\t'=(;)
   Call: (193) [system] '\t'=(/)
   Fail: (193) [system] '\t'=(/)
^  Call: (193) [user] is_like_space('\t')
   Call: (194) [system] char_type('\t', 'white')
   Exit: (194) [system] char_type('\t', 'white')
^  Exit: (193) [user] is_like_space('\t')
   Call: (193) [system] get_char((0x55772f068e50), _805046)
   Exit: (193) [system] get_char((0x55772f068e50), '\t')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _807750)
   Exit: (194) [system] peek_char((0x55772f068e50), '\t')
   Call: (194) [system] '\t'=(;)
   Fail: (194) [system] '\t'=(;)
   Call: (194) [system] '\t'=(/)
   Fail: (194) [system] '\t'=(/)
^  Call: (194) [user] is_like_space('\t')
   Call: (195) [system] char_type('\t', 'white')
   Exit: (195) [system] char_type('\t', 'white')
^  Exit: (194) [user] is_like_space('\t')
   Call: (194) [system] get_char((0x55772f068e50), _817344)
   Exit: (194) [system] get_char((0x55772f068e50), '\t')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _820048)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _829642)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _832346)
   Exit: (196) [system] peek_char((0x55772f068e50), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _852052)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x55772f068e50), _857622)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _859480)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] get_char((0x55772f068e50), _875490)
   Exit: (192) [system] get_char((0x55772f068e50), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x55772f068e50), _857622)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _881060)
   Exit: (194) [system] peek_char((0x55772f068e50), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _897070)
   Exit: (193) [system] peek_char((0x55772f068e50), :)
   Call: (193) [system] (:)=')'
   Fail: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _902640)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _904498)
   Exit: (195) [system] peek_char((0x55772f068e50), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _920508)
   Exit: (194) [system] get_char((0x55772f068e50), :)
   Call: (194) [system] (:)='('
   Fail: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Fail: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Fail: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Fail: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Fail: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Fail: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Fail: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x55772f068e50), :, _902640)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _938150)
   Call: (196) [system] peek_char((0x55772f068e50), _939084)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _938150=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (195) [user] classify_and_convert_charseq([:], _902640)
^  Call: (196) [user] classify_and_convert_charseq_([:], _948368)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_949320, _949322), once(user:catch(read_from_chars([:], _948368), _949302, fail)), '$restore_trace'(_949320, _949322))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_949320, _949322))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _949302, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq_([:], :)
   Call: (196) [system] integer(:)
   Fail: (196) [system] integer(:)
   Call: (196) [system] _902640=(:)
   Exit: (196) [system] (:)=(:)
^  Exit: (195) [user] classify_and_convert_charseq([:], :)
^  Exit: (194) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (193) [user] read_list(')', (0x55772f068e50), _961448)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _963306)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _972900)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _975604)
   Exit: (196) [system] peek_char((0x55772f068e50), c)
   Call: (196) [system] c=(;)
   Fail: (196) [system] c=(;)
   Call: (196) [system] c=(/)
   Fail: (196) [system] c=(/)
^  Call: (196) [user] is_like_space(c)
   Call: (197) [system] char_type(c, 'white')
   Fail: (197) [system] char_type(c, 'white')
   Call: (197) [system] char_type(c, end_of_line)
   Fail: (197) [system] char_type(c, end_of_line)
   Call: (197) [system] char_type(c, space)
   Fail: (197) [system] char_type(c, space)
   Call: (197) [system] char_type(c, cntrl)
   Fail: (197) [system] char_type(c, cntrl)
^  Fail: (196) [user] is_like_space(c)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _992538)
   Exit: (194) [system] peek_char((0x55772f068e50), c)
   Call: (194) [system] c=')'
   Fail: (194) [system] c=')'
   Call: (194) [system] c=end_of_file
   Fail: (194) [system] c=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _998108)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _999966)
   Exit: (196) [system] peek_char((0x55772f068e50), c)
   Call: (196) [system] c=(;)
   Fail: (196) [system] c=(;)
   Call: (196) [system] c=(/)
   Fail: (196) [system] c=(/)
^  Call: (196) [user] is_like_space(c)
   Call: (197) [system] char_type(c, 'white')
   Fail: (197) [system] char_type(c, 'white')
   Call: (197) [system] char_type(c, end_of_line)
   Fail: (197) [system] char_type(c, end_of_line)
   Call: (197) [system] char_type(c, space)
   Fail: (197) [system] char_type(c, space)
   Call: (197) [system] char_type(c, cntrl)
   Fail: (197) [system] char_type(c, cntrl)
^  Fail: (196) [user] is_like_space(c)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _1015976)
   Exit: (195) [system] get_char((0x55772f068e50), c)
   Call: (195) [system] c='('
   Fail: (195) [system] c='('
   Call: (195) [system] c='['
   Fail: (195) [system] c='['
   Call: (195) [system] c='{'
   Fail: (195) [system] c='{'
   Call: (195) [system] c='"'
   Fail: (195) [system] c='"'
   Call: (195) [system] c=!
   Fail: (195) [system] c=!
   Call: (195) [system] c='\''
   Fail: (195) [system] c='\''
   Call: (195) [system] c='`'
   Fail: (195) [system] c='`'
   Call: (195) [system] c=end_of_file
   Fail: (195) [system] c=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x55772f068e50), c, _998108)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1033618)
   Call: (197) [system] peek_char((0x55772f068e50), _1034552)
   Exit: (197) [system] peek_char((0x55772f068e50), d)
^  Call: (197) [user] is_delimiter(d)
   Call: (198) [system] char_type(d, space)
   Fail: (198) [system] char_type(d, space)
   Call: (198) [system] arg(_1039272, v('(', ')', end_of_file), d)
   Fail: (198) [system] arg(_1040204, v('(', ')', end_of_file), d)
^  Fail: (197) [user] is_delimiter(d)
   Call: (197) [system] ')'==d
   Fail: (197) [system] ')'==d
   Call: (197) [system] get_char((0x55772f068e50), d)
   Exit: (197) [system] get_char((0x55772f068e50), d)
   Call: (197) [system] d=(\)
   Fail: (197) [system] d=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1047554)
   Call: (198) [system] peek_char((0x55772f068e50), _1048488)
   Exit: (198) [system] peek_char((0x55772f068e50), e)
^  Call: (198) [user] is_delimiter(e)
   Call: (199) [system] char_type(e, space)
   Fail: (199) [system] char_type(e, space)
   Call: (199) [system] arg(_1053208, v('(', ')', end_of_file), e)
   Fail: (199) [system] arg(_1054140, v('(', ')', end_of_file), e)
^  Fail: (198) [user] is_delimiter(e)
   Call: (198) [system] ')'==e
   Fail: (198) [system] ')'==e
   Call: (198) [system] get_char((0x55772f068e50), e)
   Exit: (198) [system] get_char((0x55772f068e50), e)
   Call: (198) [system] e=(\)
   Fail: (198) [system] e=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1061490)
   Call: (199) [system] peek_char((0x55772f068e50), _1062424)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _1061490=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (198) [system] _1047554=[e]
   Exit: (198) [system] [e]=[e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (197) [system] _1033618=[d, e]
   Exit: (197) [system] [d, e]=[d, e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [d, e])
^  Call: (196) [user] classify_and_convert_charseq([c, d, e], _998108)
^  Call: (197) [user] classify_and_convert_charseq_([c, d, e], _1077296)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1078248, _1078250), once(user:catch(read_from_chars([c, d, e], _1077296), _1078230, fail)), '$restore_trace'(_1078248, _1078250))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1078248, _1078250))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1078230, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(cde)
   Exit: (198) [system] atomic(cde)
^  Exit: (197) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (197) [system] integer(cde)
   Fail: (197) [system] integer(cde)
   Call: (197) [system] _998108=cde
   Exit: (197) [system] cde=cde
^  Exit: (196) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (195) [user] read_symbolic(')', (0x55772f068e50), c, cde)
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), cde)
^  Call: (194) [user] read_list(')', (0x55772f068e50), _1090376)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1092234)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _1101828)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1104532)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1121466)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _1127036)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1128894)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _1144904)
   Exit: (196) [system] get_char((0x55772f068e50), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x55772f068e50), _1127036)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1150474)
   Exit: (198) [system] peek_char((0x55772f068e50), 'I')
   Call: (198) [system] 'I'=(;)
   Fail: (198) [system] 'I'=(;)
   Call: (198) [system] 'I'=(/)
   Fail: (198) [system] 'I'=(/)
^  Call: (198) [user] is_like_space('I')
   Call: (199) [system] char_type('I', 'white')
   Fail: (199) [system] char_type('I', 'white')
   Call: (199) [system] char_type('I', end_of_line)
   Fail: (199) [system] char_type('I', end_of_line)
   Call: (199) [system] char_type('I', space)
   Fail: (199) [system] char_type('I', space)
   Call: (199) [system] char_type('I', cntrl)
   Fail: (199) [system] char_type('I', cntrl)
^  Fail: (198) [user] is_like_space('I')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1166484)
   Exit: (197) [system] peek_char((0x55772f068e50), 'I')
   Call: (197) [system] 'I'=')'
   Fail: (197) [system] 'I'=')'
   Call: (197) [system] 'I'=end_of_file
   Fail: (197) [system] 'I'=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _1172054)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1173912)
   Exit: (199) [system] peek_char((0x55772f068e50), 'I')
   Call: (199) [system] 'I'=(;)
   Fail: (199) [system] 'I'=(;)
   Call: (199) [system] 'I'=(/)
   Fail: (199) [system] 'I'=(/)
^  Call: (199) [user] is_like_space('I')
   Call: (200) [system] char_type('I', 'white')
   Fail: (200) [system] char_type('I', 'white')
   Call: (200) [system] char_type('I', end_of_line)
   Fail: (200) [system] char_type('I', end_of_line)
   Call: (200) [system] char_type('I', space)
   Fail: (200) [system] char_type('I', space)
   Call: (200) [system] char_type('I', cntrl)
   Fail: (200) [system] char_type('I', cntrl)
^  Fail: (199) [user] is_like_space('I')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _1189922)
   Exit: (198) [system] get_char((0x55772f068e50), 'I')
   Call: (198) [system] 'I'='('
   Fail: (198) [system] 'I'='('
   Call: (198) [system] 'I'='['
   Fail: (198) [system] 'I'='['
   Call: (198) [system] 'I'='{'
   Fail: (198) [system] 'I'='{'
   Call: (198) [system] 'I'='"'
   Fail: (198) [system] 'I'='"'
   Call: (198) [system] 'I'=!
   Fail: (198) [system] 'I'=!
   Call: (198) [system] 'I'='\''
   Fail: (198) [system] 'I'='\''
   Call: (198) [system] 'I'='`'
   Fail: (198) [system] 'I'='`'
   Call: (198) [system] 'I'=end_of_file
   Fail: (198) [system] 'I'=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x55772f068e50), 'I', _1172054)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1207564)
   Call: (200) [system] peek_char((0x55772f068e50), _1208498)
   Exit: (200) [system] peek_char((0x55772f068e50), m)
^  Call: (200) [user] is_delimiter(m)
   Call: (201) [system] char_type(m, space)
   Fail: (201) [system] char_type(m, space)
   Call: (201) [system] arg(_1213218, v('(', ')', end_of_file), m)
   Fail: (201) [system] arg(_1214150, v('(', ')', end_of_file), m)
^  Fail: (200) [user] is_delimiter(m)
   Call: (200) [system] ')'==m
   Fail: (200) [system] ')'==m
   Call: (200) [system] get_char((0x55772f068e50), m)
   Exit: (200) [system] get_char((0x55772f068e50), m)
   Call: (200) [system] m=(\)
   Fail: (200) [system] m=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1221500)
   Call: (201) [system] peek_char((0x55772f068e50), _1222434)
   Exit: (201) [system] peek_char((0x55772f068e50), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_1227154, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_1228086, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x55772f068e50), p)
   Exit: (201) [system] get_char((0x55772f068e50), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1235436)
   Call: (202) [system] peek_char((0x55772f068e50), _1236370)
   Exit: (202) [system] peek_char((0x55772f068e50), l)
^  Call: (202) [user] is_delimiter(l)
   Call: (203) [system] char_type(l, space)
   Fail: (203) [system] char_type(l, space)
   Call: (203) [system] arg(_1241090, v('(', ')', end_of_file), l)
   Fail: (203) [system] arg(_1242022, v('(', ')', end_of_file), l)
^  Fail: (202) [user] is_delimiter(l)
   Call: (202) [system] ')'==l
   Fail: (202) [system] ')'==l
   Call: (202) [system] get_char((0x55772f068e50), l)
   Exit: (202) [system] get_char((0x55772f068e50), l)
   Call: (202) [system] l=(\)
   Fail: (202) [system] l=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1249372)
   Call: (203) [system] peek_char((0x55772f068e50), _1250306)
   Exit: (203) [system] peek_char((0x55772f068e50), i)
^  Call: (203) [user] is_delimiter(i)
   Call: (204) [system] char_type(i, space)
   Fail: (204) [system] char_type(i, space)
   Call: (204) [system] arg(_1255026, v('(', ')', end_of_file), i)
   Fail: (204) [system] arg(_1255958, v('(', ')', end_of_file), i)
^  Fail: (203) [user] is_delimiter(i)
   Call: (203) [system] ')'==i
   Fail: (203) [system] ')'==i
   Call: (203) [system] get_char((0x55772f068e50), i)
   Exit: (203) [system] get_char((0x55772f068e50), i)
   Call: (203) [system] i=(\)
   Fail: (203) [system] i=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1263308)
   Call: (204) [system] peek_char((0x55772f068e50), _1264242)
   Exit: (204) [system] peek_char((0x55772f068e50), c)
^  Call: (204) [user] is_delimiter(c)
   Call: (205) [system] char_type(c, space)
   Fail: (205) [system] char_type(c, space)
   Call: (205) [system] arg(_1268962, v('(', ')', end_of_file), c)
   Fail: (205) [system] arg(_1269894, v('(', ')', end_of_file), c)
^  Fail: (204) [user] is_delimiter(c)
   Call: (204) [system] ')'==c
   Fail: (204) [system] ')'==c
   Call: (204) [system] get_char((0x55772f068e50), c)
   Exit: (204) [system] get_char((0x55772f068e50), c)
   Call: (204) [system] c=(\)
   Fail: (204) [system] c=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1277244)
   Call: (205) [system] peek_char((0x55772f068e50), _1278178)
   Exit: (205) [system] peek_char((0x55772f068e50), a)
^  Call: (205) [user] is_delimiter(a)
   Call: (206) [system] char_type(a, space)
   Fail: (206) [system] char_type(a, space)
   Call: (206) [system] arg(_1282898, v('(', ')', end_of_file), a)
   Fail: (206) [system] arg(_1283830, v('(', ')', end_of_file), a)
^  Fail: (205) [user] is_delimiter(a)
   Call: (205) [system] ')'==a
   Fail: (205) [system] ')'==a
   Call: (205) [system] get_char((0x55772f068e50), a)
   Exit: (205) [system] get_char((0x55772f068e50), a)
   Call: (205) [system] a=(\)
   Fail: (205) [system] a=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1291180)
   Call: (206) [system] peek_char((0x55772f068e50), _1292114)
   Exit: (206) [system] peek_char((0x55772f068e50), t)
^  Call: (206) [user] is_delimiter(t)
   Call: (207) [system] char_type(t, space)
   Fail: (207) [system] char_type(t, space)
   Call: (207) [system] arg(_1296834, v('(', ')', end_of_file), t)
   Fail: (207) [system] arg(_1297766, v('(', ')', end_of_file), t)
^  Fail: (206) [user] is_delimiter(t)
   Call: (206) [system] ')'==t
   Fail: (206) [system] ')'==t
   Call: (206) [system] get_char((0x55772f068e50), t)
   Exit: (206) [system] get_char((0x55772f068e50), t)
   Call: (206) [system] t=(\)
   Fail: (206) [system] t=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1305116)
   Call: (207) [system] peek_char((0x55772f068e50), _1306050)
   Exit: (207) [system] peek_char((0x55772f068e50), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1310770, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_1311702, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x55772f068e50), i)
   Exit: (207) [system] get_char((0x55772f068e50), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1319052)
   Call: (208) [system] peek_char((0x55772f068e50), _1319986)
   Exit: (208) [system] peek_char((0x55772f068e50), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Fail: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_1324706, v('(', ')', end_of_file), o)
   Fail: (209) [system] arg(_1325638, v('(', ')', end_of_file), o)
^  Fail: (208) [user] is_delimiter(o)
   Call: (208) [system] ')'==o
   Fail: (208) [system] ')'==o
   Call: (208) [system] get_char((0x55772f068e50), o)
   Exit: (208) [system] get_char((0x55772f068e50), o)
   Call: (208) [system] o=(\)
   Fail: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1332988)
   Call: (209) [system] peek_char((0x55772f068e50), _1333922)
   Exit: (209) [system] peek_char((0x55772f068e50), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_1338642, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_1339574, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x55772f068e50), n)
   Exit: (209) [system] get_char((0x55772f068e50), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1346924)
   Call: (210) [system] peek_char((0x55772f068e50), _1347858)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1346924=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (209) [system] _1332988=[n]
   Exit: (209) [system] [n]=[n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (208) [system] _1319052=[o, n]
   Exit: (208) [system] [o, n]=[o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (207) [system] _1305116=[i, o, n]
   Exit: (207) [system] [i, o, n]=[i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (206) [system] _1291180=[t, i, o, n]
   Exit: (206) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (205) [system] _1277244=[a, t, i, o, n]
   Exit: (205) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (204) [system] _1263308=[c, a, t, i, o, n]
   Exit: (204) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (203) [system] _1249372=[i, c, a, t, i, o, n]
   Exit: (203) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (202) [system] _1235436=[l, i, c, a, t, i, o, n]
   Exit: (202) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (201) [system] _1221500=[p, l, i, c, a, t, i, o, n]
   Exit: (201) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (200) [system] _1207564=[m, p, l, i, c, a, t, i, o, n]
   Exit: (200) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (199) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1172054)
^  Call: (200) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1385082)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_1386034, _1386036), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1385082), _1386016, fail)), '$restore_trace'(_1386034, _1386036))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_1386034, _1386036))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1385082), _1386016, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(_1385082)
   Fail: (201) [system] atomic(_1385082)
   Call: (201) [system] atom_chars(_1385082, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (201) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (200) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (200) [system] integer('Implication')
   Fail: (200) [system] integer('Implication')
   Call: (200) [system] _1172054='Implication'
   Exit: (200) [system] 'Implication'='Implication'
^  Exit: (199) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (198) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (197) [user] read_list(')', (0x55772f068e50), _1400032)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1401890)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _1411484)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1414188)
   Exit: (200) [system] peek_char((0x55772f068e50), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1431122)
   Exit: (198) [system] peek_char((0x55772f068e50), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _1436692)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1438550)
   Exit: (200) [system] peek_char((0x55772f068e50), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _1454560)
   Exit: (199) [system] get_char((0x55772f068e50), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x55772f068e50), _1436692)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1460130)
   Exit: (201) [system] peek_char((0x55772f068e50), 'O')
   Call: (201) [system] 'O'=(;)
   Fail: (201) [system] 'O'=(;)
   Call: (201) [system] 'O'=(/)
   Fail: (201) [system] 'O'=(/)
^  Call: (201) [user] is_like_space('O')
   Call: (202) [system] char_type('O', 'white')
   Fail: (202) [system] char_type('O', 'white')
   Call: (202) [system] char_type('O', end_of_line)
   Fail: (202) [system] char_type('O', end_of_line)
   Call: (202) [system] char_type('O', space)
   Fail: (202) [system] char_type('O', space)
   Call: (202) [system] char_type('O', cntrl)
   Fail: (202) [system] char_type('O', cntrl)
^  Fail: (201) [user] is_like_space('O')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1476140)
   Exit: (200) [system] peek_char((0x55772f068e50), 'O')
   Call: (200) [system] 'O'=')'
   Fail: (200) [system] 'O'=')'
   Call: (200) [system] 'O'=end_of_file
   Fail: (200) [system] 'O'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _1481710)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1483568)
   Exit: (202) [system] peek_char((0x55772f068e50), 'O')
   Call: (202) [system] 'O'=(;)
   Fail: (202) [system] 'O'=(;)
   Call: (202) [system] 'O'=(/)
   Fail: (202) [system] 'O'=(/)
^  Call: (202) [user] is_like_space('O')
   Call: (203) [system] char_type('O', 'white')
   Fail: (203) [system] char_type('O', 'white')
   Call: (203) [system] char_type('O', end_of_line)
   Fail: (203) [system] char_type('O', end_of_line)
   Call: (203) [system] char_type('O', space)
   Fail: (203) [system] char_type('O', space)
   Call: (203) [system] char_type('O', cntrl)
   Fail: (203) [system] char_type('O', cntrl)
^  Fail: (202) [user] is_like_space('O')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _1499578)
   Exit: (201) [system] get_char((0x55772f068e50), 'O')
   Call: (201) [system] 'O'='('
   Fail: (201) [system] 'O'='('
   Call: (201) [system] 'O'='['
   Fail: (201) [system] 'O'='['
   Call: (201) [system] 'O'='{'
   Fail: (201) [system] 'O'='{'
   Call: (201) [system] 'O'='"'
   Fail: (201) [system] 'O'='"'
   Call: (201) [system] 'O'=!
   Fail: (201) [system] 'O'=!
   Call: (201) [system] 'O'='\''
   Fail: (201) [system] 'O'='\''
   Call: (201) [system] 'O'='`'
   Fail: (201) [system] 'O'='`'
   Call: (201) [system] 'O'=end_of_file
   Fail: (201) [system] 'O'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), 'O', _1481710)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1517220)
   Call: (203) [system] peek_char((0x55772f068e50), _1518154)
   Exit: (203) [system] peek_char((0x55772f068e50), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_1522874, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_1523806, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x55772f068e50), r)
   Exit: (203) [system] get_char((0x55772f068e50), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1531156)
   Call: (204) [system] peek_char((0x55772f068e50), _1532090)
   Exit: (204) [system] peek_char((0x55772f068e50), 'L')
^  Call: (204) [user] is_delimiter('L')
   Call: (205) [system] char_type('L', space)
   Fail: (205) [system] char_type('L', space)
   Call: (205) [system] arg(_1536810, v('(', ')', end_of_file), 'L')
   Fail: (205) [system] arg(_1537742, v('(', ')', end_of_file), 'L')
^  Fail: (204) [user] is_delimiter('L')
   Call: (204) [system] ')'=='L'
   Fail: (204) [system] ')'=='L'
   Call: (204) [system] get_char((0x55772f068e50), 'L')
   Exit: (204) [system] get_char((0x55772f068e50), 'L')
   Call: (204) [system] 'L'=(\)
   Fail: (204) [system] 'L'=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1545092)
   Call: (205) [system] peek_char((0x55772f068e50), _1546026)
   Exit: (205) [system] peek_char((0x55772f068e50), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_1550746, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_1551678, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x55772f068e50), i)
   Exit: (205) [system] get_char((0x55772f068e50), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1559028)
   Call: (206) [system] peek_char((0x55772f068e50), _1559962)
   Exit: (206) [system] peek_char((0x55772f068e50), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Fail: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_1564682, v('(', ')', end_of_file), n)
   Fail: (207) [system] arg(_1565614, v('(', ')', end_of_file), n)
^  Fail: (206) [user] is_delimiter(n)
   Call: (206) [system] ')'==n
   Fail: (206) [system] ')'==n
   Call: (206) [system] get_char((0x55772f068e50), n)
   Exit: (206) [system] get_char((0x55772f068e50), n)
   Call: (206) [system] n=(\)
   Fail: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1572964)
   Call: (207) [system] peek_char((0x55772f068e50), _1573898)
   Exit: (207) [system] peek_char((0x55772f068e50), k)
^  Call: (207) [user] is_delimiter(k)
   Call: (208) [system] char_type(k, space)
   Fail: (208) [system] char_type(k, space)
   Call: (208) [system] arg(_1578618, v('(', ')', end_of_file), k)
   Fail: (208) [system] arg(_1579550, v('(', ')', end_of_file), k)
^  Fail: (207) [user] is_delimiter(k)
   Call: (207) [system] ')'==k
   Fail: (207) [system] ')'==k
   Call: (207) [system] get_char((0x55772f068e50), k)
   Exit: (207) [system] get_char((0x55772f068e50), k)
   Call: (207) [system] k=(\)
   Fail: (207) [system] k=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1586900)
   Call: (208) [system] peek_char((0x55772f068e50), _1587834)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1586900=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (207) [system] _1572964=[k]
   Exit: (207) [system] [k]=[k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (206) [system] _1559028=[n, k]
   Exit: (206) [system] [n, k]=[n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (205) [system] _1545092=[i, n, k]
   Exit: (205) [system] [i, n, k]=[i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (204) [system] _1531156=['L', i, n, k]
   Exit: (204) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (203) [system] _1517220=[r, 'L', i, n, k]
   Exit: (203) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (202) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1481710)
^  Call: (203) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1611088)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1612040, _1612042), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1611088), _1612022, fail)), '$restore_trace'(_1612040, _1612042))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1612040, _1612042))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1611088), _1612022, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_1611088)
   Fail: (204) [system] atomic(_1611088)
   Call: (204) [system] atom_chars(_1611088, ['O', r, 'L', i, n, k])
   Exit: (204) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (203) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (203) [system] integer('OrLink')
   Fail: (203) [system] integer('OrLink')
   Call: (203) [system] _1481710='OrLink'
   Exit: (203) [system] 'OrLink'='OrLink'
^  Exit: (202) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (200) [user] read_list(')', (0x55772f068e50), _1626038)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1627896)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _1637490)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1640194)
   Exit: (203) [system] peek_char((0x55772f068e50), 'C')
   Call: (203) [system] 'C'=(;)
   Fail: (203) [system] 'C'=(;)
   Call: (203) [system] 'C'=(/)
   Fail: (203) [system] 'C'=(/)
^  Call: (203) [user] is_like_space('C')
   Call: (204) [system] char_type('C', 'white')
   Fail: (204) [system] char_type('C', 'white')
   Call: (204) [system] char_type('C', end_of_line)
   Fail: (204) [system] char_type('C', end_of_line)
   Call: (204) [system] char_type('C', space)
   Fail: (204) [system] char_type('C', space)
   Call: (204) [system] char_type('C', cntrl)
   Fail: (204) [system] char_type('C', cntrl)
^  Fail: (203) [user] is_like_space('C')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1657128)
   Exit: (201) [system] peek_char((0x55772f068e50), 'C')
   Call: (201) [system] 'C'=')'
   Fail: (201) [system] 'C'=')'
   Call: (201) [system] 'C'=end_of_file
   Fail: (201) [system] 'C'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _1662698)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1664556)
   Exit: (203) [system] peek_char((0x55772f068e50), 'C')
   Call: (203) [system] 'C'=(;)
   Fail: (203) [system] 'C'=(;)
   Call: (203) [system] 'C'=(/)
   Fail: (203) [system] 'C'=(/)
^  Call: (203) [user] is_like_space('C')
   Call: (204) [system] char_type('C', 'white')
   Fail: (204) [system] char_type('C', 'white')
   Call: (204) [system] char_type('C', end_of_line)
   Fail: (204) [system] char_type('C', end_of_line)
   Call: (204) [system] char_type('C', space)
   Fail: (204) [system] char_type('C', space)
   Call: (204) [system] char_type('C', cntrl)
   Fail: (204) [system] char_type('C', cntrl)
^  Fail: (203) [user] is_like_space('C')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _1680566)
   Exit: (202) [system] get_char((0x55772f068e50), 'C')
   Call: (202) [system] 'C'='('
   Fail: (202) [system] 'C'='('
   Call: (202) [system] 'C'='['
   Fail: (202) [system] 'C'='['
   Call: (202) [system] 'C'='{'
   Fail: (202) [system] 'C'='{'
   Call: (202) [system] 'C'='"'
   Fail: (202) [system] 'C'='"'
   Call: (202) [system] 'C'=!
   Fail: (202) [system] 'C'=!
   Call: (202) [system] 'C'='\''
   Fail: (202) [system] 'C'='\''
   Call: (202) [system] 'C'='`'
   Fail: (202) [system] 'C'='`'
   Call: (202) [system] 'C'=end_of_file
   Fail: (202) [system] 'C'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), 'C', _1662698)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1698208)
   Call: (204) [system] peek_char((0x55772f068e50), _1699142)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1698208=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (203) [user] classify_and_convert_charseq(['C'], _1662698)
^  Call: (204) [user] classify_and_convert_charseq_(['C'], _1708426)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1709378, _1709380), once(user:catch(read_from_chars(['C'], _1708426), _1709360, fail)), '$restore_trace'(_1709378, _1709380))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1709378, _1709380))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1708426), _1709360, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_1708426)
   Fail: (205) [system] atomic(_1708426)
   Call: (205) [system] atom_chars(_1708426, ['C'])
   Exit: (205) [system] atom_chars('C', ['C'])
^  Exit: (204) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (204) [system] integer('C')
   Fail: (204) [system] integer('C')
   Call: (204) [system] _1662698='C'
   Exit: (204) [system] 'C'='C'
^  Exit: (203) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (201) [user] read_list(')', (0x55772f068e50), _1723376)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1725234)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _1734828)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1737532)
   Exit: (204) [system] peek_char((0x55772f068e50), 'D')
   Call: (204) [system] 'D'=(;)
   Fail: (204) [system] 'D'=(;)
   Call: (204) [system] 'D'=(/)
   Fail: (204) [system] 'D'=(/)
^  Call: (204) [user] is_like_space('D')
   Call: (205) [system] char_type('D', 'white')
   Fail: (205) [system] char_type('D', 'white')
   Call: (205) [system] char_type('D', end_of_line)
   Fail: (205) [system] char_type('D', end_of_line)
   Call: (205) [system] char_type('D', space)
   Fail: (205) [system] char_type('D', space)
   Call: (205) [system] char_type('D', cntrl)
   Fail: (205) [system] char_type('D', cntrl)
^  Fail: (204) [user] is_like_space('D')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1754466)
   Exit: (202) [system] peek_char((0x55772f068e50), 'D')
   Call: (202) [system] 'D'=')'
   Fail: (202) [system] 'D'=')'
   Call: (202) [system] 'D'=end_of_file
   Fail: (202) [system] 'D'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x55772f068e50), _1760036)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1761894)
   Exit: (204) [system] peek_char((0x55772f068e50), 'D')
   Call: (204) [system] 'D'=(;)
   Fail: (204) [system] 'D'=(;)
   Call: (204) [system] 'D'=(/)
   Fail: (204) [system] 'D'=(/)
^  Call: (204) [user] is_like_space('D')
   Call: (205) [system] char_type('D', 'white')
   Fail: (205) [system] char_type('D', 'white')
   Call: (205) [system] char_type('D', end_of_line)
   Fail: (205) [system] char_type('D', end_of_line)
   Call: (205) [system] char_type('D', space)
   Fail: (205) [system] char_type('D', space)
   Call: (205) [system] char_type('D', cntrl)
   Fail: (205) [system] char_type('D', cntrl)
^  Fail: (204) [user] is_like_space('D')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] get_char((0x55772f068e50), _1777904)
   Exit: (203) [system] get_char((0x55772f068e50), 'D')
   Call: (203) [system] 'D'='('
   Fail: (203) [system] 'D'='('
   Call: (203) [system] 'D'='['
   Fail: (203) [system] 'D'='['
   Call: (203) [system] 'D'='{'
   Fail: (203) [system] 'D'='{'
   Call: (203) [system] 'D'='"'
   Fail: (203) [system] 'D'='"'
   Call: (203) [system] 'D'=!
   Fail: (203) [system] 'D'=!
   Call: (203) [system] 'D'='\''
   Fail: (203) [system] 'D'='\''
   Call: (203) [system] 'D'='`'
   Fail: (203) [system] 'D'='`'
   Call: (203) [system] 'D'=end_of_file
   Fail: (203) [system] 'D'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x55772f068e50), 'D', _1760036)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1795546)
   Call: (205) [system] peek_char((0x55772f068e50), _1796480)
   Exit: (205) [system] peek_char((0x55772f068e50), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_1801200, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _1795546=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (204) [user] classify_and_convert_charseq(['D'], _1760036)
^  Call: (205) [user] classify_and_convert_charseq_(['D'], _1807636)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1808588, _1808590), once(user:catch(read_from_chars(['D'], _1807636), _1808570, fail)), '$restore_trace'(_1808588, _1808590))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1808588, _1808590))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1807636), _1808570, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_1807636)
   Fail: (206) [system] atomic(_1807636)
   Call: (206) [system] atom_chars(_1807636, ['D'])
   Exit: (206) [system] atom_chars('D', ['D'])
^  Exit: (205) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (205) [system] integer('D')
   Fail: (205) [system] integer('D')
   Call: (205) [system] _1760036='D'
   Exit: (205) [system] 'D'='D'
^  Exit: (204) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (203) [user] read_symbolic(')', (0x55772f068e50), 'D', 'D')
^  Exit: (202) [user] cont_sexpr(')', (0x55772f068e50), 'D')
^  Call: (202) [user] read_list(')', (0x55772f068e50), _1822586)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1824444)
   Exit: (204) [system] peek_char((0x55772f068e50), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1840454)
   Exit: (203) [system] peek_char((0x55772f068e50), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x55772f068e50), _1844244)
   Exit: (203) [system] get_char((0x55772f068e50), ')')
   Call: (203) [system] _1822586=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x55772f068e50), [])
   Call: (202) [system] _1723376=['D']
   Exit: (202) [system] ['D']=['D']
^  Exit: (201) [user] read_list(')', (0x55772f068e50), ['D'])
   Call: (201) [system] _1626038=['C', 'D']
   Exit: (201) [system] ['C', 'D']=['C', 'D']
^  Exit: (200) [user] read_list(')', (0x55772f068e50), ['C', 'D'])
   Call: (200) [system] _1436692=['OrLink', 'C', 'D']
   Exit: (200) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (199) [user] read_list(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Call: (198) [user] read_list(')', (0x55772f068e50), _1858126)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1859984)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _1869578)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1872282)
   Exit: (201) [system] peek_char((0x55772f068e50), 'E')
   Call: (201) [system] 'E'=(;)
   Fail: (201) [system] 'E'=(;)
   Call: (201) [system] 'E'=(/)
   Fail: (201) [system] 'E'=(/)
^  Call: (201) [user] is_like_space('E')
   Call: (202) [system] char_type('E', 'white')
   Fail: (202) [system] char_type('E', 'white')
   Call: (202) [system] char_type('E', end_of_line)
   Fail: (202) [system] char_type('E', end_of_line)
   Call: (202) [system] char_type('E', space)
   Fail: (202) [system] char_type('E', space)
   Call: (202) [system] char_type('E', cntrl)
   Fail: (202) [system] char_type('E', cntrl)
^  Fail: (201) [user] is_like_space('E')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1889216)
   Exit: (199) [system] peek_char((0x55772f068e50), 'E')
   Call: (199) [system] 'E'=')'
   Fail: (199) [system] 'E'=')'
   Call: (199) [system] 'E'=end_of_file
   Fail: (199) [system] 'E'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _1894786)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1896644)
   Exit: (201) [system] peek_char((0x55772f068e50), 'E')
   Call: (201) [system] 'E'=(;)
   Fail: (201) [system] 'E'=(;)
   Call: (201) [system] 'E'=(/)
   Fail: (201) [system] 'E'=(/)
^  Call: (201) [user] is_like_space('E')
   Call: (202) [system] char_type('E', 'white')
   Fail: (202) [system] char_type('E', 'white')
   Call: (202) [system] char_type('E', end_of_line)
   Fail: (202) [system] char_type('E', end_of_line)
   Call: (202) [system] char_type('E', space)
   Fail: (202) [system] char_type('E', space)
   Call: (202) [system] char_type('E', cntrl)
   Fail: (202) [system] char_type('E', cntrl)
^  Fail: (201) [user] is_like_space('E')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _1912654)
   Exit: (200) [system] get_char((0x55772f068e50), 'E')
   Call: (200) [system] 'E'='('
   Fail: (200) [system] 'E'='('
   Call: (200) [system] 'E'='['
   Fail: (200) [system] 'E'='['
   Call: (200) [system] 'E'='{'
   Fail: (200) [system] 'E'='{'
   Call: (200) [system] 'E'='"'
   Fail: (200) [system] 'E'='"'
   Call: (200) [system] 'E'=!
   Fail: (200) [system] 'E'=!
   Call: (200) [system] 'E'='\''
   Fail: (200) [system] 'E'='\''
   Call: (200) [system] 'E'='`'
   Fail: (200) [system] 'E'='`'
   Call: (200) [system] 'E'=end_of_file
   Fail: (200) [system] 'E'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), 'E', _1894786)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1930296)
   Call: (202) [system] peek_char((0x55772f068e50), _1931230)
   Exit: (202) [system] peek_char((0x55772f068e50), ')')
^  Call: (202) [user] is_delimiter(')')
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] arg(_1935950, v('(', ')', end_of_file), ')')
   Exit: (203) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (202) [user] is_delimiter(')')
   Call: (202) [system] _1930296=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (201) [user] classify_and_convert_charseq(['E'], _1894786)
^  Call: (202) [user] classify_and_convert_charseq_(['E'], _1942386)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1943338, _1943340), once(user:catch(read_from_chars(['E'], _1942386), _1943320, fail)), '$restore_trace'(_1943338, _1943340))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1943338, _1943340))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1942386), _1943320, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_1942386)
   Fail: (203) [system] atomic(_1942386)
   Call: (203) [system] atom_chars(_1942386, ['E'])
   Exit: (203) [system] atom_chars('E', ['E'])
^  Exit: (202) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (202) [system] integer('E')
   Fail: (202) [system] integer('E')
   Call: (202) [system] _1894786='E'
   Exit: (202) [system] 'E'='E'
^  Exit: (201) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), 'E', 'E')
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), 'E')
^  Call: (199) [user] read_list(')', (0x55772f068e50), _1957336)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1959194)
   Exit: (201) [system] peek_char((0x55772f068e50), ')')
   Call: (201) [system] ')'=(;)
   Fail: (201) [system] ')'=(;)
   Call: (201) [system] ')'=(/)
   Fail: (201) [system] ')'=(/)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Fail: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Fail: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
   Fail: (202) [system] char_type(')', cntrl)
^  Fail: (201) [user] is_like_space(')')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1975204)
   Exit: (200) [system] peek_char((0x55772f068e50), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x55772f068e50), _1978994)
   Exit: (200) [system] get_char((0x55772f068e50), ')')
   Call: (200) [system] _1957336=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [])
   Call: (199) [system] _1858126=['E']
   Exit: (199) [system] ['E']=['E']
^  Exit: (198) [user] read_list(')', (0x55772f068e50), ['E'])
   Call: (198) [system] _1400032=[['OrLink', 'C', 'D'], 'E']
   Exit: (198) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [['OrLink', 'C', 'D'], 'E'])
   Call: (197) [system] _1127036=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (197) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (196) [user] read_list(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (195) [user] read_list(')', (0x55772f068e50), _1992876)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1994734)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _2010744)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x55772f068e50), _2014534)
   Exit: (196) [system] get_char((0x55772f068e50), ')')
   Call: (196) [system] _1992876=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [])
   Call: (195) [system] _1090376=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (195) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (194) [system] _961448=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (194) [system] [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (193) [system] _857622=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (193) [system] [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (191) [user] cont_sexpr(')', (0x55772f068e50), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (191) [user] read_list(')', (0x55772f068e50), _2028416)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _2030274)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _2039868)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _2042572)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _2059506)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _2065076)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _2066934)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _2082944)
   Exit: (193) [system] get_char((0x55772f068e50), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x55772f068e50), _2065076)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _2088514)
   Exit: (195) [system] peek_char((0x55772f068e50), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _11426)
   Exit: (194) [system] peek_char((0x55772f068e50), :)
   Call: (194) [system] (:)=')'
   Fail: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _16996)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _18854)
   Exit: (196) [system] peek_char((0x55772f068e50), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _34864)
   Exit: (195) [system] get_char((0x55772f068e50), :)
   Call: (195) [system] (:)='('
   Fail: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Fail: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Fail: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Fail: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Fail: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Fail: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Fail: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x55772f068e50), :, _16996)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _52506)
   Call: (197) [system] peek_char((0x55772f068e50), _53440)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _52506=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (196) [user] classify_and_convert_charseq([:], _16996)
^  Call: (197) [user] classify_and_convert_charseq_([:], _62724)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_63676, _63678), once(user:catch(read_from_chars([:], _62724), _63658, fail)), '$restore_trace'(_63676, _63678))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_63676, _63678))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _63658, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq_([:], :)
   Call: (197) [system] integer(:)
   Fail: (197) [system] integer(:)
   Call: (197) [system] _16996=(:)
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] classify_and_convert_charseq([:], :)
^  Exit: (195) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (194) [user] read_list(')', (0x55772f068e50), _75804)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _77662)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _87256)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _89960)
   Exit: (197) [system] peek_char((0x55772f068e50), a)
   Call: (197) [system] a=(;)
   Fail: (197) [system] a=(;)
   Call: (197) [system] a=(/)
   Fail: (197) [system] a=(/)
^  Call: (197) [user] is_like_space(a)
   Call: (198) [system] char_type(a, 'white')
   Fail: (198) [system] char_type(a, 'white')
   Call: (198) [system] char_type(a, end_of_line)
   Fail: (198) [system] char_type(a, end_of_line)
   Call: (198) [system] char_type(a, space)
   Fail: (198) [system] char_type(a, space)
   Call: (198) [system] char_type(a, cntrl)
   Fail: (198) [system] char_type(a, cntrl)
^  Fail: (197) [user] is_like_space(a)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _106894)
   Exit: (195) [system] peek_char((0x55772f068e50), a)
   Call: (195) [system] a=')'
   Fail: (195) [system] a=')'
   Call: (195) [system] a=end_of_file
   Fail: (195) [system] a=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _112464)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _114322)
   Exit: (197) [system] peek_char((0x55772f068e50), a)
   Call: (197) [system] a=(;)
   Fail: (197) [system] a=(;)
   Call: (197) [system] a=(/)
   Fail: (197) [system] a=(/)
^  Call: (197) [user] is_like_space(a)
   Call: (198) [system] char_type(a, 'white')
   Fail: (198) [system] char_type(a, 'white')
   Call: (198) [system] char_type(a, end_of_line)
   Fail: (198) [system] char_type(a, end_of_line)
   Call: (198) [system] char_type(a, space)
   Fail: (198) [system] char_type(a, space)
   Call: (198) [system] char_type(a, cntrl)
   Fail: (198) [system] char_type(a, cntrl)
^  Fail: (197) [user] is_like_space(a)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _130332)
   Exit: (196) [system] get_char((0x55772f068e50), a)
   Call: (196) [system] a='('
   Fail: (196) [system] a='('
   Call: (196) [system] a='['
   Fail: (196) [system] a='['
   Call: (196) [system] a='{'
   Fail: (196) [system] a='{'
   Call: (196) [system] a='"'
   Fail: (196) [system] a='"'
   Call: (196) [system] a=!
   Fail: (196) [system] a=!
   Call: (196) [system] a='\''
   Fail: (196) [system] a='\''
   Call: (196) [system] a='`'
   Fail: (196) [system] a='`'
   Call: (196) [system] a=end_of_file
   Fail: (196) [system] a=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x55772f068e50), a, _112464)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _147974)
   Call: (198) [system] peek_char((0x55772f068e50), _148908)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _147974=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (197) [user] classify_and_convert_charseq([a], _112464)
^  Call: (198) [user] classify_and_convert_charseq_([a], _158192)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_159144, _159146), once(user:catch(read_from_chars([a], _158192), _159126, fail)), '$restore_trace'(_159144, _159146))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_159144, _159146))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _159126, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(a)
   Exit: (199) [system] atomic(a)
^  Exit: (198) [user] classify_and_convert_charseq_([a], a)
   Call: (198) [system] integer(a)
   Fail: (198) [system] integer(a)
   Call: (198) [system] _112464=a
   Exit: (198) [system] a=a
^  Exit: (197) [user] classify_and_convert_charseq([a], a)
^  Exit: (196) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (195) [user] read_list(')', (0x55772f068e50), _171272)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _173130)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _182724)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _185428)
   Exit: (198) [system] peek_char((0x55772f068e50), 'A')
   Call: (198) [system] 'A'=(;)
   Fail: (198) [system] 'A'=(;)
   Call: (198) [system] 'A'=(/)
   Fail: (198) [system] 'A'=(/)
^  Call: (198) [user] is_like_space('A')
   Call: (199) [system] char_type('A', 'white')
   Fail: (199) [system] char_type('A', 'white')
   Call: (199) [system] char_type('A', end_of_line)
   Fail: (199) [system] char_type('A', end_of_line)
   Call: (199) [system] char_type('A', space)
   Fail: (199) [system] char_type('A', space)
   Call: (199) [system] char_type('A', cntrl)
   Fail: (199) [system] char_type('A', cntrl)
^  Fail: (198) [user] is_like_space('A')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _202362)
   Exit: (196) [system] peek_char((0x55772f068e50), 'A')
   Call: (196) [system] 'A'=')'
   Fail: (196) [system] 'A'=')'
   Call: (196) [system] 'A'=end_of_file
   Fail: (196) [system] 'A'=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _207932)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _209790)
   Exit: (198) [system] peek_char((0x55772f068e50), 'A')
   Call: (198) [system] 'A'=(;)
   Fail: (198) [system] 'A'=(;)
   Call: (198) [system] 'A'=(/)
   Fail: (198) [system] 'A'=(/)
^  Call: (198) [user] is_like_space('A')
   Call: (199) [system] char_type('A', 'white')
   Fail: (199) [system] char_type('A', 'white')
   Call: (199) [system] char_type('A', end_of_line)
   Fail: (199) [system] char_type('A', end_of_line)
   Call: (199) [system] char_type('A', space)
   Fail: (199) [system] char_type('A', space)
   Call: (199) [system] char_type('A', cntrl)
   Fail: (199) [system] char_type('A', cntrl)
^  Fail: (198) [user] is_like_space('A')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _225800)
   Exit: (197) [system] get_char((0x55772f068e50), 'A')
   Call: (197) [system] 'A'='('
   Fail: (197) [system] 'A'='('
   Call: (197) [system] 'A'='['
   Fail: (197) [system] 'A'='['
   Call: (197) [system] 'A'='{'
   Fail: (197) [system] 'A'='{'
   Call: (197) [system] 'A'='"'
   Fail: (197) [system] 'A'='"'
   Call: (197) [system] 'A'=!
   Fail: (197) [system] 'A'=!
   Call: (197) [system] 'A'='\''
   Fail: (197) [system] 'A'='\''
   Call: (197) [system] 'A'='`'
   Fail: (197) [system] 'A'='`'
   Call: (197) [system] 'A'=end_of_file
   Fail: (197) [system] 'A'=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x55772f068e50), 'A', _207932)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _243442)
   Call: (199) [system] peek_char((0x55772f068e50), _244376)
   Exit: (199) [system] peek_char((0x55772f068e50), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_249096, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _243442=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (198) [user] classify_and_convert_charseq(['A'], _207932)
^  Call: (199) [user] classify_and_convert_charseq_(['A'], _255532)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_256484, _256486), once(user:catch(read_from_chars(['A'], _255532), _256466, fail)), '$restore_trace'(_256484, _256486))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_256484, _256486))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _255532), _256466, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(_255532)
   Fail: (200) [system] atomic(_255532)
   Call: (200) [system] atom_chars(_255532, ['A'])
   Exit: (200) [system] atom_chars('A', ['A'])
^  Exit: (199) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (199) [system] integer('A')
   Fail: (199) [system] integer('A')
   Call: (199) [system] _207932='A'
   Exit: (199) [system] 'A'='A'
^  Exit: (198) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (197) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (196) [user] read_list(')', (0x55772f068e50), _270482)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _272340)
   Exit: (198) [system] peek_char((0x55772f068e50), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _288350)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x55772f068e50), _292140)
   Exit: (197) [system] get_char((0x55772f068e50), ')')
   Call: (197) [system] _270482=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [])
   Call: (196) [system] _171272=['A']
   Exit: (196) [system] ['A']=['A']
^  Exit: (195) [user] read_list(')', (0x55772f068e50), ['A'])
   Call: (195) [system] _75804=[a, 'A']
   Exit: (195) [system] [a, 'A']=[a, 'A']
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [a, 'A'])
   Call: (194) [system] _3574=[:, a, 'A']
   Exit: (194) [system] [:, a, 'A']=[:, a, 'A']
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [:, a, 'A'])
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), [:, a, 'A'])
^  Call: (192) [user] read_list(')', (0x55772f068e50), _306022)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _307880)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _317474)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _320178)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _337112)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _342682)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _344540)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _360550)
   Exit: (194) [system] get_char((0x55772f068e50), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x55772f068e50), _342682)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _366120)
   Exit: (196) [system] peek_char((0x55772f068e50), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _382130)
   Exit: (195) [system] peek_char((0x55772f068e50), :)
   Call: (195) [system] (:)=')'
   Fail: (195) [system] (:)=')'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _387700)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _389558)
   Exit: (197) [system] peek_char((0x55772f068e50), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
   Call: (197) [system] (:)=(/)
   Fail: (197) [system] (:)=(/)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _405568)
   Exit: (196) [system] get_char((0x55772f068e50), :)
   Call: (196) [system] (:)='('
   Fail: (196) [system] (:)='('
   Call: (196) [system] (:)='['
   Fail: (196) [system] (:)='['
   Call: (196) [system] (:)='{'
   Fail: (196) [system] (:)='{'
   Call: (196) [system] (:)='"'
   Fail: (196) [system] (:)='"'
   Call: (196) [system] (:)=!
   Fail: (196) [system] (:)=!
   Call: (196) [system] (:)='\''
   Fail: (196) [system] (:)='\''
   Call: (196) [system] (:)='`'
   Fail: (196) [system] (:)='`'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x55772f068e50), :, _387700)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _423210)
   Call: (198) [system] peek_char((0x55772f068e50), _424144)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _423210=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (197) [user] classify_and_convert_charseq([:], _387700)
^  Call: (198) [user] classify_and_convert_charseq_([:], _433428)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_434380, _434382), once(user:catch(read_from_chars([:], _433428), _434362, fail)), '$restore_trace'(_434380, _434382))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_434380, _434382))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _434362, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(:)
   Exit: (199) [system] atomic(:)
^  Exit: (198) [user] classify_and_convert_charseq_([:], :)
   Call: (198) [system] integer(:)
   Fail: (198) [system] integer(:)
   Call: (198) [system] _387700=(:)
   Exit: (198) [system] (:)=(:)
^  Exit: (197) [user] classify_and_convert_charseq([:], :)
^  Exit: (196) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (195) [user] read_list(')', (0x55772f068e50), _446508)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _448366)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _457960)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _460664)
   Exit: (198) [system] peek_char((0x55772f068e50), a)
   Call: (198) [system] a=(;)
   Fail: (198) [system] a=(;)
   Call: (198) [system] a=(/)
   Fail: (198) [system] a=(/)
^  Call: (198) [user] is_like_space(a)
   Call: (199) [system] char_type(a, 'white')
   Fail: (199) [system] char_type(a, 'white')
   Call: (199) [system] char_type(a, end_of_line)
   Fail: (199) [system] char_type(a, end_of_line)
   Call: (199) [system] char_type(a, space)
   Fail: (199) [system] char_type(a, space)
   Call: (199) [system] char_type(a, cntrl)
   Fail: (199) [system] char_type(a, cntrl)
^  Fail: (198) [user] is_like_space(a)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _477598)
   Exit: (196) [system] peek_char((0x55772f068e50), a)
   Call: (196) [system] a=')'
   Fail: (196) [system] a=')'
   Call: (196) [system] a=end_of_file
   Fail: (196) [system] a=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _483168)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _485026)
   Exit: (198) [system] peek_char((0x55772f068e50), a)
   Call: (198) [system] a=(;)
   Fail: (198) [system] a=(;)
   Call: (198) [system] a=(/)
   Fail: (198) [system] a=(/)
^  Call: (198) [user] is_like_space(a)
   Call: (199) [system] char_type(a, 'white')
   Fail: (199) [system] char_type(a, 'white')
   Call: (199) [system] char_type(a, end_of_line)
   Fail: (199) [system] char_type(a, end_of_line)
   Call: (199) [system] char_type(a, space)
   Fail: (199) [system] char_type(a, space)
   Call: (199) [system] char_type(a, cntrl)
   Fail: (199) [system] char_type(a, cntrl)
^  Fail: (198) [user] is_like_space(a)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _501036)
   Exit: (197) [system] get_char((0x55772f068e50), a)
   Call: (197) [system] a='('
   Fail: (197) [system] a='('
   Call: (197) [system] a='['
   Fail: (197) [system] a='['
   Call: (197) [system] a='{'
   Fail: (197) [system] a='{'
   Call: (197) [system] a='"'
   Fail: (197) [system] a='"'
   Call: (197) [system] a=!
   Fail: (197) [system] a=!
   Call: (197) [system] a='\''
   Fail: (197) [system] a='\''
   Call: (197) [system] a='`'
   Fail: (197) [system] a='`'
   Call: (197) [system] a=end_of_file
   Fail: (197) [system] a=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x55772f068e50), a, _483168)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _518678)
   Call: (199) [system] peek_char((0x55772f068e50), _519612)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _518678=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (198) [user] classify_and_convert_charseq([a], _483168)
^  Call: (199) [user] classify_and_convert_charseq_([a], _528896)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_529848, _529850), once(user:catch(read_from_chars([a], _528896), _529830, fail)), '$restore_trace'(_529848, _529850))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_529848, _529850))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _529830, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(a)
   Exit: (200) [system] atomic(a)
^  Exit: (199) [user] classify_and_convert_charseq_([a], a)
   Call: (199) [system] integer(a)
   Fail: (199) [system] integer(a)
   Call: (199) [system] _483168=a
   Exit: (199) [system] a=a
^  Exit: (198) [user] classify_and_convert_charseq([a], a)
^  Exit: (197) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (196) [user] read_list(')', (0x55772f068e50), _541976)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _543834)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _553428)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _556132)
   Exit: (199) [system] peek_char((0x55772f068e50), 'B')
   Call: (199) [system] 'B'=(;)
   Fail: (199) [system] 'B'=(;)
   Call: (199) [system] 'B'=(/)
   Fail: (199) [system] 'B'=(/)
^  Call: (199) [user] is_like_space('B')
   Call: (200) [system] char_type('B', 'white')
   Fail: (200) [system] char_type('B', 'white')
   Call: (200) [system] char_type('B', end_of_line)
   Fail: (200) [system] char_type('B', end_of_line)
   Call: (200) [system] char_type('B', space)
   Fail: (200) [system] char_type('B', space)
   Call: (200) [system] char_type('B', cntrl)
   Fail: (200) [system] char_type('B', cntrl)
^  Fail: (199) [user] is_like_space('B')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _573066)
   Exit: (197) [system] peek_char((0x55772f068e50), 'B')
   Call: (197) [system] 'B'=')'
   Fail: (197) [system] 'B'=')'
   Call: (197) [system] 'B'=end_of_file
   Fail: (197) [system] 'B'=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _578636)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _580494)
   Exit: (199) [system] peek_char((0x55772f068e50), 'B')
   Call: (199) [system] 'B'=(;)
   Fail: (199) [system] 'B'=(;)
   Call: (199) [system] 'B'=(/)
   Fail: (199) [system] 'B'=(/)
^  Call: (199) [user] is_like_space('B')
   Call: (200) [system] char_type('B', 'white')
   Fail: (200) [system] char_type('B', 'white')
   Call: (200) [system] char_type('B', end_of_line)
   Fail: (200) [system] char_type('B', end_of_line)
   Call: (200) [system] char_type('B', space)
   Fail: (200) [system] char_type('B', space)
   Call: (200) [system] char_type('B', cntrl)
   Fail: (200) [system] char_type('B', cntrl)
^  Fail: (199) [user] is_like_space('B')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _596504)
   Exit: (198) [system] get_char((0x55772f068e50), 'B')
   Call: (198) [system] 'B'='('
   Fail: (198) [system] 'B'='('
   Call: (198) [system] 'B'='['
   Fail: (198) [system] 'B'='['
   Call: (198) [system] 'B'='{'
   Fail: (198) [system] 'B'='{'
   Call: (198) [system] 'B'='"'
   Fail: (198) [system] 'B'='"'
   Call: (198) [system] 'B'=!
   Fail: (198) [system] 'B'=!
   Call: (198) [system] 'B'='\''
   Fail: (198) [system] 'B'='\''
   Call: (198) [system] 'B'='`'
   Fail: (198) [system] 'B'='`'
   Call: (198) [system] 'B'=end_of_file
   Fail: (198) [system] 'B'=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x55772f068e50), 'B', _578636)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _614146)
   Call: (200) [system] peek_char((0x55772f068e50), _615080)
   Exit: (200) [system] peek_char((0x55772f068e50), ')')
^  Call: (200) [user] is_delimiter(')')
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] arg(_619800, v('(', ')', end_of_file), ')')
   Exit: (201) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (200) [user] is_delimiter(')')
   Call: (200) [system] _614146=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (199) [user] classify_and_convert_charseq(['B'], _578636)
^  Call: (200) [user] classify_and_convert_charseq_(['B'], _626236)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_627188, _627190), once(user:catch(read_from_chars(['B'], _626236), _627170, fail)), '$restore_trace'(_627188, _627190))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_627188, _627190))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _626236), _627170, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(_626236)
   Fail: (201) [system] atomic(_626236)
   Call: (201) [system] atom_chars(_626236, ['B'])
   Exit: (201) [system] atom_chars('B', ['B'])
^  Exit: (200) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (200) [system] integer('B')
   Fail: (200) [system] integer('B')
   Call: (200) [system] _578636='B'
   Exit: (200) [system] 'B'='B'
^  Exit: (199) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (198) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (197) [user] read_list(')', (0x55772f068e50), _641186)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _643044)
   Exit: (199) [system] peek_char((0x55772f068e50), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _659054)
   Exit: (198) [system] peek_char((0x55772f068e50), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x55772f068e50), _662844)
   Exit: (198) [system] get_char((0x55772f068e50), ')')
   Call: (198) [system] _641186=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [])
   Call: (197) [system] _541976=['B']
   Exit: (197) [system] ['B']=['B']
^  Exit: (196) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (196) [system] _446508=[a, 'B']
   Exit: (196) [system] [a, 'B']=[a, 'B']
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [a, 'B'])
   Call: (195) [system] _342682=[:, a, 'B']
   Exit: (195) [system] [:, a, 'B']=[:, a, 'B']
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [:, a, 'B'])
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), [:, a, 'B'])
^  Call: (193) [user] read_list(')', (0x55772f068e50), _676726)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _678584)
   Exit: (195) [system] peek_char((0x55772f068e50), '\n')
   Call: (195) [system] '\n'=(;)
   Fail: (195) [system] '\n'=(;)
   Call: (195) [system] '\n'=(/)
   Fail: (195) [system] '\n'=(/)
^  Call: (195) [user] is_like_space('\n')
   Call: (196) [system] char_type('\n', 'white')
   Fail: (196) [system] char_type('\n', 'white')
   Call: (196) [system] char_type('\n', end_of_line)
   Exit: (196) [system] char_type('\n', end_of_line)
^  Exit: (195) [user] is_like_space('\n')
   Call: (195) [system] get_char((0x55772f068e50), _690034)
   Exit: (195) [system] get_char((0x55772f068e50), '\n')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _692738)
   Exit: (196) [system] peek_char((0x55772f068e50), '\t')
   Call: (196) [system] '\t'=(;)
   Fail: (196) [system] '\t'=(;)
   Call: (196) [system] '\t'=(/)
   Fail: (196) [system] '\t'=(/)
^  Call: (196) [user] is_like_space('\t')
   Call: (197) [system] char_type('\t', 'white')
   Exit: (197) [system] char_type('\t', 'white')
^  Exit: (196) [user] is_like_space('\t')
   Call: (196) [system] get_char((0x55772f068e50), _702332)
   Exit: (196) [system] get_char((0x55772f068e50), '\t')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _705036)
   Exit: (197) [system] peek_char((0x55772f068e50), '\t')
   Call: (197) [system] '\t'=(;)
   Fail: (197) [system] '\t'=(;)
   Call: (197) [system] '\t'=(/)
   Fail: (197) [system] '\t'=(/)
^  Call: (197) [user] is_like_space('\t')
   Call: (198) [system] char_type('\t', 'white')
   Exit: (198) [system] char_type('\t', 'white')
^  Exit: (197) [user] is_like_space('\t')
   Call: (197) [system] get_char((0x55772f068e50), _714630)
   Exit: (197) [system] get_char((0x55772f068e50), '\t')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _717334)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _726928)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _729632)
   Exit: (199) [system] peek_char((0x55772f068e50), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _749338)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _754908)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _756766)
   Exit: (196) [system] peek_char((0x55772f068e50), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _772776)
   Exit: (195) [system] get_char((0x55772f068e50), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x55772f068e50), _754908)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _778346)
   Exit: (197) [system] peek_char((0x55772f068e50), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
   Call: (197) [system] (:)=(/)
   Fail: (197) [system] (:)=(/)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _794356)
   Exit: (196) [system] peek_char((0x55772f068e50), :)
   Call: (196) [system] (:)=')'
   Fail: (196) [system] (:)=')'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _799926)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _801784)
   Exit: (198) [system] peek_char((0x55772f068e50), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
   Call: (198) [system] (:)=(/)
   Fail: (198) [system] (:)=(/)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _817794)
   Exit: (197) [system] get_char((0x55772f068e50), :)
   Call: (197) [system] (:)='('
   Fail: (197) [system] (:)='('
   Call: (197) [system] (:)='['
   Fail: (197) [system] (:)='['
   Call: (197) [system] (:)='{'
   Fail: (197) [system] (:)='{'
   Call: (197) [system] (:)='"'
   Fail: (197) [system] (:)='"'
   Call: (197) [system] (:)=!
   Fail: (197) [system] (:)=!
   Call: (197) [system] (:)='\''
   Fail: (197) [system] (:)='\''
   Call: (197) [system] (:)='`'
   Fail: (197) [system] (:)='`'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x55772f068e50), :, _799926)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _835436)
   Call: (199) [system] peek_char((0x55772f068e50), _836370)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _835436=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (198) [user] classify_and_convert_charseq([:], _799926)
^  Call: (199) [user] classify_and_convert_charseq_([:], _845654)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_846606, _846608), once(user:catch(read_from_chars([:], _845654), _846588, fail)), '$restore_trace'(_846606, _846608))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_846606, _846608))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _846588, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(:)
   Exit: (200) [system] atomic(:)
^  Exit: (199) [user] classify_and_convert_charseq_([:], :)
   Call: (199) [system] integer(:)
   Fail: (199) [system] integer(:)
   Call: (199) [system] _799926=(:)
   Exit: (199) [system] (:)=(:)
^  Exit: (198) [user] classify_and_convert_charseq([:], :)
^  Exit: (197) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (196) [user] read_list(')', (0x55772f068e50), _858734)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _860592)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _870186)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _872890)
   Exit: (199) [system] peek_char((0x55772f068e50), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _889824)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _895394)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _897252)
   Exit: (199) [system] peek_char((0x55772f068e50), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _913262)
   Exit: (198) [system] get_char((0x55772f068e50), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x55772f068e50), _895394)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _918832)
   Exit: (200) [system] peek_char((0x55772f068e50), 'C')
   Call: (200) [system] 'C'=(;)
   Fail: (200) [system] 'C'=(;)
   Call: (200) [system] 'C'=(/)
   Fail: (200) [system] 'C'=(/)
^  Call: (200) [user] is_like_space('C')
   Call: (201) [system] char_type('C', 'white')
   Fail: (201) [system] char_type('C', 'white')
   Call: (201) [system] char_type('C', end_of_line)
   Fail: (201) [system] char_type('C', end_of_line)
   Call: (201) [system] char_type('C', space)
   Fail: (201) [system] char_type('C', space)
   Call: (201) [system] char_type('C', cntrl)
   Fail: (201) [system] char_type('C', cntrl)
^  Fail: (200) [user] is_like_space('C')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _934842)
   Exit: (199) [system] peek_char((0x55772f068e50), 'C')
   Call: (199) [system] 'C'=')'
   Fail: (199) [system] 'C'=')'
   Call: (199) [system] 'C'=end_of_file
   Fail: (199) [system] 'C'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _940412)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _942270)
   Exit: (201) [system] peek_char((0x55772f068e50), 'C')
   Call: (201) [system] 'C'=(;)
   Fail: (201) [system] 'C'=(;)
   Call: (201) [system] 'C'=(/)
   Fail: (201) [system] 'C'=(/)
^  Call: (201) [user] is_like_space('C')
   Call: (202) [system] char_type('C', 'white')
   Fail: (202) [system] char_type('C', 'white')
   Call: (202) [system] char_type('C', end_of_line)
   Fail: (202) [system] char_type('C', end_of_line)
   Call: (202) [system] char_type('C', space)
   Fail: (202) [system] char_type('C', space)
   Call: (202) [system] char_type('C', cntrl)
   Fail: (202) [system] char_type('C', cntrl)
^  Fail: (201) [user] is_like_space('C')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _958280)
   Exit: (200) [system] get_char((0x55772f068e50), 'C')
   Call: (200) [system] 'C'='('
   Fail: (200) [system] 'C'='('
   Call: (200) [system] 'C'='['
   Fail: (200) [system] 'C'='['
   Call: (200) [system] 'C'='{'
   Fail: (200) [system] 'C'='{'
   Call: (200) [system] 'C'='"'
   Fail: (200) [system] 'C'='"'
   Call: (200) [system] 'C'=!
   Fail: (200) [system] 'C'=!
   Call: (200) [system] 'C'='\''
   Fail: (200) [system] 'C'='\''
   Call: (200) [system] 'C'='`'
   Fail: (200) [system] 'C'='`'
   Call: (200) [system] 'C'=end_of_file
   Fail: (200) [system] 'C'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), 'C', _940412)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _975922)
   Call: (202) [system] peek_char((0x55772f068e50), _976856)
   Exit: (202) [system] peek_char((0x55772f068e50), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_981576, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_982508, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x55772f068e50), o)
   Exit: (202) [system] get_char((0x55772f068e50), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _989858)
   Call: (203) [system] peek_char((0x55772f068e50), _990792)
   Exit: (203) [system] peek_char((0x55772f068e50), n)
^  Call: (203) [user] is_delimiter(n)
   Call: (204) [system] char_type(n, space)
   Fail: (204) [system] char_type(n, space)
   Call: (204) [system] arg(_995512, v('(', ')', end_of_file), n)
   Fail: (204) [system] arg(_996444, v('(', ')', end_of_file), n)
^  Fail: (203) [user] is_delimiter(n)
   Call: (203) [system] ')'==n
   Fail: (203) [system] ')'==n
   Call: (203) [system] get_char((0x55772f068e50), n)
   Exit: (203) [system] get_char((0x55772f068e50), n)
   Call: (203) [system] n=(\)
   Fail: (203) [system] n=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1003794)
   Call: (204) [system] peek_char((0x55772f068e50), _1004728)
   Exit: (204) [system] peek_char((0x55772f068e50), j)
^  Call: (204) [user] is_delimiter(j)
   Call: (205) [system] char_type(j, space)
   Fail: (205) [system] char_type(j, space)
   Call: (205) [system] arg(_1009448, v('(', ')', end_of_file), j)
   Fail: (205) [system] arg(_1010380, v('(', ')', end_of_file), j)
^  Fail: (204) [user] is_delimiter(j)
   Call: (204) [system] ')'==j
   Fail: (204) [system] ')'==j
   Call: (204) [system] get_char((0x55772f068e50), j)
   Exit: (204) [system] get_char((0x55772f068e50), j)
   Call: (204) [system] j=(\)
   Fail: (204) [system] j=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1017730)
   Call: (205) [system] peek_char((0x55772f068e50), _1018664)
   Exit: (205) [system] peek_char((0x55772f068e50), u)
^  Call: (205) [user] is_delimiter(u)
   Call: (206) [system] char_type(u, space)
   Fail: (206) [system] char_type(u, space)
   Call: (206) [system] arg(_1023384, v('(', ')', end_of_file), u)
   Fail: (206) [system] arg(_1024316, v('(', ')', end_of_file), u)
^  Fail: (205) [user] is_delimiter(u)
   Call: (205) [system] ')'==u
   Fail: (205) [system] ')'==u
   Call: (205) [system] get_char((0x55772f068e50), u)
   Exit: (205) [system] get_char((0x55772f068e50), u)
   Call: (205) [system] u=(\)
   Fail: (205) [system] u=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1031666)
   Call: (206) [system] peek_char((0x55772f068e50), _1032600)
   Exit: (206) [system] peek_char((0x55772f068e50), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Fail: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_1037320, v('(', ')', end_of_file), n)
   Fail: (207) [system] arg(_1038252, v('(', ')', end_of_file), n)
^  Fail: (206) [user] is_delimiter(n)
   Call: (206) [system] ')'==n
   Fail: (206) [system] ')'==n
   Call: (206) [system] get_char((0x55772f068e50), n)
   Exit: (206) [system] get_char((0x55772f068e50), n)
   Call: (206) [system] n=(\)
   Fail: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1045602)
   Call: (207) [system] peek_char((0x55772f068e50), _1046536)
   Exit: (207) [system] peek_char((0x55772f068e50), c)
^  Call: (207) [user] is_delimiter(c)
   Call: (208) [system] char_type(c, space)
   Fail: (208) [system] char_type(c, space)
   Call: (208) [system] arg(_1051256, v('(', ')', end_of_file), c)
   Fail: (208) [system] arg(_1052188, v('(', ')', end_of_file), c)
^  Fail: (207) [user] is_delimiter(c)
   Call: (207) [system] ')'==c
   Fail: (207) [system] ')'==c
   Call: (207) [system] get_char((0x55772f068e50), c)
   Exit: (207) [system] get_char((0x55772f068e50), c)
   Call: (207) [system] c=(\)
   Fail: (207) [system] c=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1059538)
   Call: (208) [system] peek_char((0x55772f068e50), _1060472)
   Exit: (208) [system] peek_char((0x55772f068e50), t)
^  Call: (208) [user] is_delimiter(t)
   Call: (209) [system] char_type(t, space)
   Fail: (209) [system] char_type(t, space)
   Call: (209) [system] arg(_1065192, v('(', ')', end_of_file), t)
   Fail: (209) [system] arg(_1066124, v('(', ')', end_of_file), t)
^  Fail: (208) [user] is_delimiter(t)
   Call: (208) [system] ')'==t
   Fail: (208) [system] ')'==t
   Call: (208) [system] get_char((0x55772f068e50), t)
   Exit: (208) [system] get_char((0x55772f068e50), t)
   Call: (208) [system] t=(\)
   Fail: (208) [system] t=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1073474)
   Call: (209) [system] peek_char((0x55772f068e50), _1074408)
   Exit: (209) [system] peek_char((0x55772f068e50), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1079128, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_1080060, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x55772f068e50), i)
   Exit: (209) [system] get_char((0x55772f068e50), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1087410)
   Call: (210) [system] peek_char((0x55772f068e50), _1088344)
   Exit: (210) [system] peek_char((0x55772f068e50), o)
^  Call: (210) [user] is_delimiter(o)
   Call: (211) [system] char_type(o, space)
   Fail: (211) [system] char_type(o, space)
   Call: (211) [system] arg(_1093064, v('(', ')', end_of_file), o)
   Fail: (211) [system] arg(_1093996, v('(', ')', end_of_file), o)
^  Fail: (210) [user] is_delimiter(o)
   Call: (210) [system] ')'==o
   Fail: (210) [system] ')'==o
   Call: (210) [system] get_char((0x55772f068e50), o)
   Exit: (210) [system] get_char((0x55772f068e50), o)
   Call: (210) [system] o=(\)
   Fail: (210) [system] o=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1101346)
   Call: (211) [system] peek_char((0x55772f068e50), _1102280)
   Exit: (211) [system] peek_char((0x55772f068e50), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_1107000, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_1107932, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x55772f068e50), n)
   Exit: (211) [system] get_char((0x55772f068e50), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1115282)
   Call: (212) [system] peek_char((0x55772f068e50), _1116216)
   Exit: (212) [system] peek_char((0x55772f068e50), 'I')
^  Call: (212) [user] is_delimiter('I')
   Call: (213) [system] char_type('I', space)
   Fail: (213) [system] char_type('I', space)
   Call: (213) [system] arg(_1120936, v('(', ')', end_of_file), 'I')
   Fail: (213) [system] arg(_1121868, v('(', ')', end_of_file), 'I')
^  Fail: (212) [user] is_delimiter('I')
   Call: (212) [system] ')'=='I'
   Fail: (212) [system] ')'=='I'
   Call: (212) [system] get_char((0x55772f068e50), 'I')
   Exit: (212) [system] get_char((0x55772f068e50), 'I')
   Call: (212) [system] 'I'=(\)
   Fail: (212) [system] 'I'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1129218)
   Call: (213) [system] peek_char((0x55772f068e50), _1130152)
   Exit: (213) [system] peek_char((0x55772f068e50), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1134872, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_1135804, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x55772f068e50), n)
   Exit: (213) [system] get_char((0x55772f068e50), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1143154)
   Call: (214) [system] peek_char((0x55772f068e50), _1144088)
   Exit: (214) [system] peek_char((0x55772f068e50), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Fail: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_1148808, v('(', ')', end_of_file), t)
   Fail: (215) [system] arg(_1149740, v('(', ')', end_of_file), t)
^  Fail: (214) [user] is_delimiter(t)
   Call: (214) [system] ')'==t
   Fail: (214) [system] ')'==t
   Call: (214) [system] get_char((0x55772f068e50), t)
   Exit: (214) [system] get_char((0x55772f068e50), t)
   Call: (214) [system] t=(\)
   Fail: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1157090)
   Call: (215) [system] peek_char((0x55772f068e50), _1158024)
   Exit: (215) [system] peek_char((0x55772f068e50), r)
^  Call: (215) [user] is_delimiter(r)
   Call: (216) [system] char_type(r, space)
   Fail: (216) [system] char_type(r, space)
   Call: (216) [system] arg(_1162744, v('(', ')', end_of_file), r)
   Fail: (216) [system] arg(_1163676, v('(', ')', end_of_file), r)
^  Fail: (215) [user] is_delimiter(r)
   Call: (215) [system] ')'==r
   Fail: (215) [system] ')'==r
   Call: (215) [system] get_char((0x55772f068e50), r)
   Exit: (215) [system] get_char((0x55772f068e50), r)
   Call: (215) [system] r=(\)
   Fail: (215) [system] r=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1171026)
   Call: (216) [system] peek_char((0x55772f068e50), _1171960)
   Exit: (216) [system] peek_char((0x55772f068e50), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Fail: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_1176680, v('(', ')', end_of_file), o)
   Fail: (217) [system] arg(_1177612, v('(', ')', end_of_file), o)
^  Fail: (216) [user] is_delimiter(o)
   Call: (216) [system] ')'==o
   Fail: (216) [system] ')'==o
   Call: (216) [system] get_char((0x55772f068e50), o)
   Exit: (216) [system] get_char((0x55772f068e50), o)
   Call: (216) [system] o=(\)
   Fail: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1184962)
   Call: (217) [system] peek_char((0x55772f068e50), _1185896)
   Exit: (217) [system] peek_char((0x55772f068e50), d)
^  Call: (217) [user] is_delimiter(d)
   Call: (218) [system] char_type(d, space)
   Fail: (218) [system] char_type(d, space)
   Call: (218) [system] arg(_1190616, v('(', ')', end_of_file), d)
   Fail: (218) [system] arg(_1191548, v('(', ')', end_of_file), d)
^  Fail: (217) [user] is_delimiter(d)
   Call: (217) [system] ')'==d
   Fail: (217) [system] ')'==d
   Call: (217) [system] get_char((0x55772f068e50), d)
   Exit: (217) [system] get_char((0x55772f068e50), d)
   Call: (217) [system] d=(\)
   Fail: (217) [system] d=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1198898)
   Call: (218) [system] peek_char((0x55772f068e50), _1199832)
   Exit: (218) [system] peek_char((0x55772f068e50), u)
^  Call: (218) [user] is_delimiter(u)
   Call: (219) [system] char_type(u, space)
   Fail: (219) [system] char_type(u, space)
   Call: (219) [system] arg(_1204552, v('(', ')', end_of_file), u)
   Fail: (219) [system] arg(_1205484, v('(', ')', end_of_file), u)
^  Fail: (218) [user] is_delimiter(u)
   Call: (218) [system] ')'==u
   Fail: (218) [system] ')'==u
   Call: (218) [system] get_char((0x55772f068e50), u)
   Exit: (218) [system] get_char((0x55772f068e50), u)
   Call: (218) [system] u=(\)
   Fail: (218) [system] u=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1212834)
   Call: (219) [system] peek_char((0x55772f068e50), _1213768)
   Exit: (219) [system] peek_char((0x55772f068e50), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_1218488, v('(', ')', end_of_file), c)
   Fail: (220) [system] arg(_1219420, v('(', ')', end_of_file), c)
^  Fail: (219) [user] is_delimiter(c)
   Call: (219) [system] ')'==c
   Fail: (219) [system] ')'==c
   Call: (219) [system] get_char((0x55772f068e50), c)
   Exit: (219) [system] get_char((0x55772f068e50), c)
   Call: (219) [system] c=(\)
   Fail: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1226770)
   Call: (220) [system] peek_char((0x55772f068e50), _1227704)
   Exit: (220) [system] peek_char((0x55772f068e50), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_1232424, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_1233356, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x55772f068e50), t)
   Exit: (220) [system] get_char((0x55772f068e50), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1240706)
   Call: (221) [system] peek_char((0x55772f068e50), _1241640)
   Exit: (221) [system] peek_char((0x55772f068e50), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1246360, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1247292, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x55772f068e50), i)
   Exit: (221) [system] get_char((0x55772f068e50), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1254642)
   Call: (222) [system] peek_char((0x55772f068e50), _1255576)
   Exit: (222) [system] peek_char((0x55772f068e50), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_1260296, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_1261228, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x55772f068e50), o)
   Exit: (222) [system] get_char((0x55772f068e50), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1268578)
   Call: (223) [system] peek_char((0x55772f068e50), _1269512)
   Exit: (223) [system] peek_char((0x55772f068e50), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1274232, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_1275164, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x55772f068e50), n)
   Exit: (223) [system] get_char((0x55772f068e50), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1282514)
   Call: (224) [system] peek_char((0x55772f068e50), _1283448)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1282514=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (223) [system] _1268578=[n]
   Exit: (223) [system] [n]=[n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (222) [system] _1254642=[o, n]
   Exit: (222) [system] [o, n]=[o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (221) [system] _1240706=[i, o, n]
   Exit: (221) [system] [i, o, n]=[i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (220) [system] _1226770=[t, i, o, n]
   Exit: (220) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (219) [system] _1212834=[c, t, i, o, n]
   Exit: (219) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (218) [system] _1198898=[u, c, t, i, o, n]
   Exit: (218) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (217) [system] _1184962=[d, u, c, t, i, o, n]
   Exit: (217) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (216) [system] _1171026=[o, d, u, c, t, i, o, n]
   Exit: (216) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (215) [system] _1157090=[r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1143154=[t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1129218=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1115282=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1101346=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1087410=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1073474=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _1059538=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _1045602=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _1031666=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _1017730=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (204) [system] _1003794=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (204) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (203) [system] _989858=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (203) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (202) [system] _975922=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (202) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (201) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _940412)
^  Call: (202) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1354200)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1355152, _1355154), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1354200), _1355134, fail)), '$restore_trace'(_1355152, _1355154))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1355152, _1355154))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1354200), _1355134, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_1354200)
   Fail: (203) [system] atomic(_1354200)
   Call: (203) [system] atom_chars(_1354200, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (203) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (202) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (202) [system] integer('ConjunctionIntroduction')
   Fail: (202) [system] integer('ConjunctionIntroduction')
   Call: (202) [system] _940412='ConjunctionIntroduction'
   Exit: (202) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (201) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), 'C', 'ConjunctionIntroduction')
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), 'ConjunctionIntroduction')
^  Call: (199) [user] read_list(')', (0x55772f068e50), _1369150)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1371008)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _1380602)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1383306)
   Exit: (202) [system] peek_char((0x55772f068e50), a)
   Call: (202) [system] a=(;)
   Fail: (202) [system] a=(;)
   Call: (202) [system] a=(/)
   Fail: (202) [system] a=(/)
^  Call: (202) [user] is_like_space(a)
   Call: (203) [system] char_type(a, 'white')
   Fail: (203) [system] char_type(a, 'white')
   Call: (203) [system] char_type(a, end_of_line)
   Fail: (203) [system] char_type(a, end_of_line)
   Call: (203) [system] char_type(a, space)
   Fail: (203) [system] char_type(a, space)
   Call: (203) [system] char_type(a, cntrl)
   Fail: (203) [system] char_type(a, cntrl)
^  Fail: (202) [user] is_like_space(a)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1400240)
   Exit: (200) [system] peek_char((0x55772f068e50), a)
   Call: (200) [system] a=')'
   Fail: (200) [system] a=')'
   Call: (200) [system] a=end_of_file
   Fail: (200) [system] a=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _1405810)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1407668)
   Exit: (202) [system] peek_char((0x55772f068e50), a)
   Call: (202) [system] a=(;)
   Fail: (202) [system] a=(;)
   Call: (202) [system] a=(/)
   Fail: (202) [system] a=(/)
^  Call: (202) [user] is_like_space(a)
   Call: (203) [system] char_type(a, 'white')
   Fail: (203) [system] char_type(a, 'white')
   Call: (203) [system] char_type(a, end_of_line)
   Fail: (203) [system] char_type(a, end_of_line)
   Call: (203) [system] char_type(a, space)
   Fail: (203) [system] char_type(a, space)
   Call: (203) [system] char_type(a, cntrl)
   Fail: (203) [system] char_type(a, cntrl)
^  Fail: (202) [user] is_like_space(a)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _1423678)
   Exit: (201) [system] get_char((0x55772f068e50), a)
   Call: (201) [system] a='('
   Fail: (201) [system] a='('
   Call: (201) [system] a='['
   Fail: (201) [system] a='['
   Call: (201) [system] a='{'
   Fail: (201) [system] a='{'
   Call: (201) [system] a='"'
   Fail: (201) [system] a='"'
   Call: (201) [system] a=!
   Fail: (201) [system] a=!
   Call: (201) [system] a='\''
   Fail: (201) [system] a='\''
   Call: (201) [system] a='`'
   Fail: (201) [system] a='`'
   Call: (201) [system] a=end_of_file
   Fail: (201) [system] a=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), a, _1405810)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1441320)
   Call: (203) [system] peek_char((0x55772f068e50), _1442254)
   Exit: (203) [system] peek_char((0x55772f068e50), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_1446974, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_1447906, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x55772f068e50), b)
   Exit: (203) [system] get_char((0x55772f068e50), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1455256)
   Call: (204) [system] peek_char((0x55772f068e50), _1456190)
   Exit: (204) [system] peek_char((0x55772f068e50), c)
^  Call: (204) [user] is_delimiter(c)
   Call: (205) [system] char_type(c, space)
   Fail: (205) [system] char_type(c, space)
   Call: (205) [system] arg(_1460910, v('(', ')', end_of_file), c)
   Fail: (205) [system] arg(_1461842, v('(', ')', end_of_file), c)
^  Fail: (204) [user] is_delimiter(c)
   Call: (204) [system] ')'==c
   Fail: (204) [system] ')'==c
   Call: (204) [system] get_char((0x55772f068e50), c)
   Exit: (204) [system] get_char((0x55772f068e50), c)
   Call: (204) [system] c=(\)
   Fail: (204) [system] c=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1469192)
   Call: (205) [system] peek_char((0x55772f068e50), _1470126)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1469192=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (204) [system] _1455256=[c]
   Exit: (204) [system] [c]=[c]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (203) [system] _1441320=[b, c]
   Exit: (203) [system] [b, c]=[b, c]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (202) [user] classify_and_convert_charseq([a, b, c], _1405810)
^  Call: (203) [user] classify_and_convert_charseq_([a, b, c], _1484998)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1485950, _1485952), once(user:catch(read_from_chars([a, b, c], _1484998), _1485932, fail)), '$restore_trace'(_1485950, _1485952))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1485950, _1485952))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1485932, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(abc)
   Exit: (204) [system] atomic(abc)
^  Exit: (203) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (203) [system] integer(abc)
   Fail: (203) [system] integer(abc)
   Call: (203) [system] _1405810=abc
   Exit: (203) [system] abc=abc
^  Exit: (202) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (200) [user] read_list(')', (0x55772f068e50), _1498078)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1499936)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _1509530)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1512234)
   Exit: (203) [system] peek_char((0x55772f068e50), a)
   Call: (203) [system] a=(;)
   Fail: (203) [system] a=(;)
   Call: (203) [system] a=(/)
   Fail: (203) [system] a=(/)
^  Call: (203) [user] is_like_space(a)
   Call: (204) [system] char_type(a, 'white')
   Fail: (204) [system] char_type(a, 'white')
   Call: (204) [system] char_type(a, end_of_line)
   Fail: (204) [system] char_type(a, end_of_line)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] char_type(a, cntrl)
   Fail: (204) [system] char_type(a, cntrl)
^  Fail: (203) [user] is_like_space(a)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1529168)
   Exit: (201) [system] peek_char((0x55772f068e50), a)
   Call: (201) [system] a=')'
   Fail: (201) [system] a=')'
   Call: (201) [system] a=end_of_file
   Fail: (201) [system] a=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _1534738)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1536596)
   Exit: (203) [system] peek_char((0x55772f068e50), a)
   Call: (203) [system] a=(;)
   Fail: (203) [system] a=(;)
   Call: (203) [system] a=(/)
   Fail: (203) [system] a=(/)
^  Call: (203) [user] is_like_space(a)
   Call: (204) [system] char_type(a, 'white')
   Fail: (204) [system] char_type(a, 'white')
   Call: (204) [system] char_type(a, end_of_line)
   Fail: (204) [system] char_type(a, end_of_line)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] char_type(a, cntrl)
   Fail: (204) [system] char_type(a, cntrl)
^  Fail: (203) [user] is_like_space(a)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _1552606)
   Exit: (202) [system] get_char((0x55772f068e50), a)
   Call: (202) [system] a='('
   Fail: (202) [system] a='('
   Call: (202) [system] a='['
   Fail: (202) [system] a='['
   Call: (202) [system] a='{'
   Fail: (202) [system] a='{'
   Call: (202) [system] a='"'
   Fail: (202) [system] a='"'
   Call: (202) [system] a=!
   Fail: (202) [system] a=!
   Call: (202) [system] a='\''
   Fail: (202) [system] a='\''
   Call: (202) [system] a='`'
   Fail: (202) [system] a='`'
   Call: (202) [system] a=end_of_file
   Fail: (202) [system] a=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), a, _1534738)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1570248)
   Call: (204) [system] peek_char((0x55772f068e50), _1571182)
   Exit: (204) [system] peek_char((0x55772f068e50), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Fail: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_1575902, v('(', ')', end_of_file), b)
   Fail: (205) [system] arg(_1576834, v('(', ')', end_of_file), b)
^  Fail: (204) [user] is_delimiter(b)
   Call: (204) [system] ')'==b
   Fail: (204) [system] ')'==b
   Call: (204) [system] get_char((0x55772f068e50), b)
   Exit: (204) [system] get_char((0x55772f068e50), b)
   Call: (204) [system] b=(\)
   Fail: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1584184)
   Call: (205) [system] peek_char((0x55772f068e50), _1585118)
   Exit: (205) [system] peek_char((0x55772f068e50), c)
^  Call: (205) [user] is_delimiter(c)
   Call: (206) [system] char_type(c, space)
   Fail: (206) [system] char_type(c, space)
   Call: (206) [system] arg(_1589838, v('(', ')', end_of_file), c)
   Fail: (206) [system] arg(_1590770, v('(', ')', end_of_file), c)
^  Fail: (205) [user] is_delimiter(c)
   Call: (205) [system] ')'==c
   Fail: (205) [system] ')'==c
   Call: (205) [system] get_char((0x55772f068e50), c)
   Exit: (205) [system] get_char((0x55772f068e50), c)
   Call: (205) [system] c=(\)
   Fail: (205) [system] c=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1598120)
   Call: (206) [system] peek_char((0x55772f068e50), _1599054)
   Exit: (206) [system] peek_char((0x55772f068e50), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_1603774, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _1598120=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (205) [system] _1584184=[c]
   Exit: (205) [system] [c]=[c]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (204) [system] _1570248=[b, c]
   Exit: (204) [system] [b, c]=[b, c]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (203) [user] classify_and_convert_charseq([a, b, c], _1534738)
^  Call: (204) [user] classify_and_convert_charseq_([a, b, c], _1615798)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1616750, _1616752), once(user:catch(read_from_chars([a, b, c], _1615798), _1616732, fail)), '$restore_trace'(_1616750, _1616752))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1616750, _1616752))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1616732, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(abc)
   Exit: (205) [system] atomic(abc)
^  Exit: (204) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (204) [system] integer(abc)
   Fail: (204) [system] integer(abc)
   Call: (204) [system] _1534738=abc
   Exit: (204) [system] abc=abc
^  Exit: (203) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (201) [user] read_list(')', (0x55772f068e50), _1628878)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1630736)
   Exit: (203) [system] peek_char((0x55772f068e50), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1646746)
   Exit: (202) [system] peek_char((0x55772f068e50), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x55772f068e50), _1650536)
   Exit: (202) [system] get_char((0x55772f068e50), ')')
   Call: (202) [system] _1628878=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [])
   Call: (201) [system] _1498078=[abc]
   Exit: (201) [system] [abc]=[abc]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [abc])
   Call: (200) [system] _1369150=[abc, abc]
   Exit: (200) [system] [abc, abc]=[abc, abc]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [abc, abc])
   Call: (199) [system] _895394=['ConjunctionIntroduction', abc, abc]
   Exit: (199) [system] ['ConjunctionIntroduction', abc, abc]=['ConjunctionIntroduction', abc, abc]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), ['ConjunctionIntroduction', abc, abc])
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), ['ConjunctionIntroduction', abc, abc])
^  Call: (197) [user] read_list(')', (0x55772f068e50), _1664418)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1666276)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _1675870)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1678574)
   Exit: (200) [system] peek_char((0x55772f068e50), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1695508)
   Exit: (198) [system] peek_char((0x55772f068e50), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _1701078)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1702936)
   Exit: (200) [system] peek_char((0x55772f068e50), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _1718946)
   Exit: (199) [system] get_char((0x55772f068e50), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x55772f068e50), _1701078)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1724516)
   Exit: (201) [system] peek_char((0x55772f068e50), 'A')
   Call: (201) [system] 'A'=(;)
   Fail: (201) [system] 'A'=(;)
   Call: (201) [system] 'A'=(/)
   Fail: (201) [system] 'A'=(/)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Fail: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Fail: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Fail: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
   Fail: (202) [system] char_type('A', cntrl)
^  Fail: (201) [user] is_like_space('A')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1740526)
   Exit: (200) [system] peek_char((0x55772f068e50), 'A')
   Call: (200) [system] 'A'=')'
   Fail: (200) [system] 'A'=')'
   Call: (200) [system] 'A'=end_of_file
   Fail: (200) [system] 'A'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _1746096)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1747954)
   Exit: (202) [system] peek_char((0x55772f068e50), 'A')
   Call: (202) [system] 'A'=(;)
   Fail: (202) [system] 'A'=(;)
   Call: (202) [system] 'A'=(/)
   Fail: (202) [system] 'A'=(/)
^  Call: (202) [user] is_like_space('A')
   Call: (203) [system] char_type('A', 'white')
   Fail: (203) [system] char_type('A', 'white')
   Call: (203) [system] char_type('A', end_of_line)
   Fail: (203) [system] char_type('A', end_of_line)
   Call: (203) [system] char_type('A', space)
   Fail: (203) [system] char_type('A', space)
   Call: (203) [system] char_type('A', cntrl)
   Fail: (203) [system] char_type('A', cntrl)
^  Fail: (202) [user] is_like_space('A')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _1763964)
   Exit: (201) [system] get_char((0x55772f068e50), 'A')
   Call: (201) [system] 'A'='('
   Fail: (201) [system] 'A'='('
   Call: (201) [system] 'A'='['
   Fail: (201) [system] 'A'='['
   Call: (201) [system] 'A'='{'
   Fail: (201) [system] 'A'='{'
   Call: (201) [system] 'A'='"'
   Fail: (201) [system] 'A'='"'
   Call: (201) [system] 'A'=!
   Fail: (201) [system] 'A'=!
   Call: (201) [system] 'A'='\''
   Fail: (201) [system] 'A'='\''
   Call: (201) [system] 'A'='`'
   Fail: (201) [system] 'A'='`'
   Call: (201) [system] 'A'=end_of_file
   Fail: (201) [system] 'A'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), 'A', _1746096)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1781606)
   Call: (203) [system] peek_char((0x55772f068e50), _1782540)
   Exit: (203) [system] peek_char((0x55772f068e50), n)
^  Call: (203) [user] is_delimiter(n)
   Call: (204) [system] char_type(n, space)
   Fail: (204) [system] char_type(n, space)
   Call: (204) [system] arg(_1787260, v('(', ')', end_of_file), n)
   Fail: (204) [system] arg(_1788192, v('(', ')', end_of_file), n)
^  Fail: (203) [user] is_delimiter(n)
   Call: (203) [system] ')'==n
   Fail: (203) [system] ')'==n
   Call: (203) [system] get_char((0x55772f068e50), n)
   Exit: (203) [system] get_char((0x55772f068e50), n)
   Call: (203) [system] n=(\)
   Fail: (203) [system] n=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1795542)
   Call: (204) [system] peek_char((0x55772f068e50), _1796476)
   Exit: (204) [system] peek_char((0x55772f068e50), d)
^  Call: (204) [user] is_delimiter(d)
   Call: (205) [system] char_type(d, space)
   Fail: (205) [system] char_type(d, space)
   Call: (205) [system] arg(_1801196, v('(', ')', end_of_file), d)
   Fail: (205) [system] arg(_1802128, v('(', ')', end_of_file), d)
^  Fail: (204) [user] is_delimiter(d)
   Call: (204) [system] ')'==d
   Fail: (204) [system] ')'==d
   Call: (204) [system] get_char((0x55772f068e50), d)
   Exit: (204) [system] get_char((0x55772f068e50), d)
   Call: (204) [system] d=(\)
   Fail: (204) [system] d=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1809478)
   Call: (205) [system] peek_char((0x55772f068e50), _1810412)
   Exit: (205) [system] peek_char((0x55772f068e50), 'L')
^  Call: (205) [user] is_delimiter('L')
   Call: (206) [system] char_type('L', space)
   Fail: (206) [system] char_type('L', space)
   Call: (206) [system] arg(_1815132, v('(', ')', end_of_file), 'L')
   Fail: (206) [system] arg(_1816064, v('(', ')', end_of_file), 'L')
^  Fail: (205) [user] is_delimiter('L')
   Call: (205) [system] ')'=='L'
   Fail: (205) [system] ')'=='L'
   Call: (205) [system] get_char((0x55772f068e50), 'L')
   Exit: (205) [system] get_char((0x55772f068e50), 'L')
   Call: (205) [system] 'L'=(\)
   Fail: (205) [system] 'L'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1823414)
   Call: (206) [system] peek_char((0x55772f068e50), _1824348)
   Exit: (206) [system] peek_char((0x55772f068e50), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1829068, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_1830000, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x55772f068e50), i)
   Exit: (206) [system] get_char((0x55772f068e50), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1837350)
   Call: (207) [system] peek_char((0x55772f068e50), _1838284)
   Exit: (207) [system] peek_char((0x55772f068e50), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_1843004, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_1843936, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x55772f068e50), n)
   Exit: (207) [system] get_char((0x55772f068e50), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1851286)
   Call: (208) [system] peek_char((0x55772f068e50), _1852220)
   Exit: (208) [system] peek_char((0x55772f068e50), k)
^  Call: (208) [user] is_delimiter(k)
   Call: (209) [system] char_type(k, space)
   Fail: (209) [system] char_type(k, space)
   Call: (209) [system] arg(_1856940, v('(', ')', end_of_file), k)
   Fail: (209) [system] arg(_1857872, v('(', ')', end_of_file), k)
^  Fail: (208) [user] is_delimiter(k)
   Call: (208) [system] ')'==k
   Fail: (208) [system] ')'==k
   Call: (208) [system] get_char((0x55772f068e50), k)
   Exit: (208) [system] get_char((0x55772f068e50), k)
   Call: (208) [system] k=(\)
   Fail: (208) [system] k=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1865222)
   Call: (209) [system] peek_char((0x55772f068e50), _1866156)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1865222=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (208) [system] _1851286=[k]
   Exit: (208) [system] [k]=[k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (207) [system] _1837350=[n, k]
   Exit: (207) [system] [n, k]=[n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (206) [system] _1823414=[i, n, k]
   Exit: (206) [system] [i, n, k]=[i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (205) [system] _1809478=['L', i, n, k]
   Exit: (205) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (204) [system] _1795542=[d, 'L', i, n, k]
   Exit: (204) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (203) [system] _1781606=[n, d, 'L', i, n, k]
   Exit: (203) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (202) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1746096)
^  Call: (203) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1892204)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1893156, _1893158), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1892204), _1893138, fail)), '$restore_trace'(_1893156, _1893158))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1893156, _1893158))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1892204), _1893138, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_1892204)
   Fail: (204) [system] atomic(_1892204)
   Call: (204) [system] atom_chars(_1892204, ['A', n, d, 'L', i, n, k])
   Exit: (204) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (203) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (203) [system] integer('AndLink')
   Fail: (203) [system] integer('AndLink')
   Call: (203) [system] _1746096='AndLink'
   Exit: (203) [system] 'AndLink'='AndLink'
^  Exit: (202) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (200) [user] read_list(')', (0x55772f068e50), _1907154)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1909012)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _1918606)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1921310)
   Exit: (203) [system] peek_char((0x55772f068e50), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1938244)
   Exit: (201) [system] peek_char((0x55772f068e50), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _1943814)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1945672)
   Exit: (203) [system] peek_char((0x55772f068e50), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _1961682)
   Exit: (202) [system] get_char((0x55772f068e50), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x55772f068e50), _1943814)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1967252)
   Exit: (204) [system] peek_char((0x55772f068e50), 'I')
   Call: (204) [system] 'I'=(;)
   Fail: (204) [system] 'I'=(;)
   Call: (204) [system] 'I'=(/)
   Fail: (204) [system] 'I'=(/)
^  Call: (204) [user] is_like_space('I')
   Call: (205) [system] char_type('I', 'white')
   Fail: (205) [system] char_type('I', 'white')
   Call: (205) [system] char_type('I', end_of_line)
   Fail: (205) [system] char_type('I', end_of_line)
   Call: (205) [system] char_type('I', space)
   Fail: (205) [system] char_type('I', space)
   Call: (205) [system] char_type('I', cntrl)
   Fail: (205) [system] char_type('I', cntrl)
^  Fail: (204) [user] is_like_space('I')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1983262)
   Exit: (203) [system] peek_char((0x55772f068e50), 'I')
   Call: (203) [system] 'I'=')'
   Fail: (203) [system] 'I'=')'
   Call: (203) [system] 'I'=end_of_file
   Fail: (203) [system] 'I'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x55772f068e50), _1988832)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1990690)
   Exit: (205) [system] peek_char((0x55772f068e50), 'I')
   Call: (205) [system] 'I'=(;)
   Fail: (205) [system] 'I'=(;)
   Call: (205) [system] 'I'=(/)
   Fail: (205) [system] 'I'=(/)
^  Call: (205) [user] is_like_space('I')
   Call: (206) [system] char_type('I', 'white')
   Fail: (206) [system] char_type('I', 'white')
   Call: (206) [system] char_type('I', end_of_line)
   Fail: (206) [system] char_type('I', end_of_line)
   Call: (206) [system] char_type('I', space)
   Fail: (206) [system] char_type('I', space)
   Call: (206) [system] char_type('I', cntrl)
   Fail: (206) [system] char_type('I', cntrl)
^  Fail: (205) [user] is_like_space('I')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] get_char((0x55772f068e50), _2006700)
   Exit: (204) [system] get_char((0x55772f068e50), 'I')
   Call: (204) [system] 'I'='('
   Fail: (204) [system] 'I'='('
   Call: (204) [system] 'I'='['
   Fail: (204) [system] 'I'='['
   Call: (204) [system] 'I'='{'
   Fail: (204) [system] 'I'='{'
   Call: (204) [system] 'I'='"'
   Fail: (204) [system] 'I'='"'
   Call: (204) [system] 'I'=!
   Fail: (204) [system] 'I'=!
   Call: (204) [system] 'I'='\''
   Fail: (204) [system] 'I'='\''
   Call: (204) [system] 'I'='`'
   Fail: (204) [system] 'I'='`'
   Call: (204) [system] 'I'=end_of_file
   Fail: (204) [system] 'I'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x55772f068e50), 'I', _1988832)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _2024342)
   Call: (206) [system] peek_char((0x55772f068e50), _2025276)
   Exit: (206) [system] peek_char((0x55772f068e50), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Fail: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_2029996, v('(', ')', end_of_file), m)
   Fail: (207) [system] arg(_2030928, v('(', ')', end_of_file), m)
^  Fail: (206) [user] is_delimiter(m)
   Call: (206) [system] ')'==m
   Fail: (206) [system] ')'==m
   Call: (206) [system] get_char((0x55772f068e50), m)
   Exit: (206) [system] get_char((0x55772f068e50), m)
   Call: (206) [system] m=(\)
   Fail: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _2038278)
   Call: (207) [system] peek_char((0x55772f068e50), _2039212)
   Exit: (207) [system] peek_char((0x55772f068e50), p)
^  Call: (207) [user] is_delimiter(p)
   Call: (208) [system] char_type(p, space)
   Fail: (208) [system] char_type(p, space)
   Call: (208) [system] arg(_2043932, v('(', ')', end_of_file), p)
   Fail: (208) [system] arg(_2044864, v('(', ')', end_of_file), p)
^  Fail: (207) [user] is_delimiter(p)
   Call: (207) [system] ')'==p
   Fail: (207) [system] ')'==p
   Call: (207) [system] get_char((0x55772f068e50), p)
   Exit: (207) [system] get_char((0x55772f068e50), p)
   Call: (207) [system] p=(\)
   Fail: (207) [system] p=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _2052214)
   Call: (208) [system] peek_char((0x55772f068e50), _2053148)
   Exit: (208) [system] peek_char((0x55772f068e50), l)
^  Call: (208) [user] is_delimiter(l)
   Call: (209) [system] char_type(l, space)
   Fail: (209) [system] char_type(l, space)
   Call: (209) [system] arg(_2057868, v('(', ')', end_of_file), l)
   Fail: (209) [system] arg(_2058800, v('(', ')', end_of_file), l)
^  Fail: (208) [user] is_delimiter(l)
   Call: (208) [system] ')'==l
   Fail: (208) [system] ')'==l
   Call: (208) [system] get_char((0x55772f068e50), l)
   Exit: (208) [system] get_char((0x55772f068e50), l)
   Call: (208) [system] l=(\)
   Fail: (208) [system] l=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _2066150)
   Call: (209) [system] peek_char((0x55772f068e50), _2067084)
   Exit: (209) [system] peek_char((0x55772f068e50), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_2071804, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_2072736, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x55772f068e50), i)
   Exit: (209) [system] get_char((0x55772f068e50), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _2080086)
   Call: (210) [system] peek_char((0x55772f068e50), _2081020)
   Exit: (210) [system] peek_char((0x55772f068e50), c)
^  Call: (210) [user] is_delimiter(c)
   Call: (211) [system] char_type(c, space)
   Fail: (211) [system] char_type(c, space)
   Call: (211) [system] arg(_2085740, v('(', ')', end_of_file), c)
   Fail: (211) [system] arg(_2086672, v('(', ')', end_of_file), c)
^  Fail: (210) [user] is_delimiter(c)
   Call: (210) [system] ')'==c
   Fail: (210) [system] ')'==c
   Call: (210) [system] get_char((0x55772f068e50), c)
   Exit: (210) [system] get_char((0x55772f068e50), c)
   Call: (210) [system] c=(\)
   Fail: (210) [system] c=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _2094022)
   Call: (211) [system] peek_char((0x55772f068e50), _2094956)
   Exit: (211) [system] peek_char((0x55772f068e50), a)
^  Call: (211) [user] is_delimiter(a)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] arg(_6510, v('(', ')', end_of_file), a)
   Fail: (212) [system] arg(_7442, v('(', ')', end_of_file), a)
^  Fail: (211) [user] is_delimiter(a)
   Call: (211) [system] ')'==a
   Fail: (211) [system] ')'==a
   Call: (211) [system] get_char((0x55772f068e50), a)
   Exit: (211) [system] get_char((0x55772f068e50), a)
   Call: (211) [system] a=(\)
   Fail: (211) [system] a=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _14792)
   Call: (212) [system] peek_char((0x55772f068e50), _15726)
   Exit: (212) [system] peek_char((0x55772f068e50), t)
^  Call: (212) [user] is_delimiter(t)
   Call: (213) [system] char_type(t, space)
   Fail: (213) [system] char_type(t, space)
   Call: (213) [system] arg(_20446, v('(', ')', end_of_file), t)
   Fail: (213) [system] arg(_21378, v('(', ')', end_of_file), t)
^  Fail: (212) [user] is_delimiter(t)
   Call: (212) [system] ')'==t
   Fail: (212) [system] ')'==t
   Call: (212) [system] get_char((0x55772f068e50), t)
   Exit: (212) [system] get_char((0x55772f068e50), t)
   Call: (212) [system] t=(\)
   Fail: (212) [system] t=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _28728)
   Call: (213) [system] peek_char((0x55772f068e50), _29662)
   Exit: (213) [system] peek_char((0x55772f068e50), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_34382, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_35314, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x55772f068e50), i)
   Exit: (213) [system] get_char((0x55772f068e50), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _42664)
   Call: (214) [system] peek_char((0x55772f068e50), _43598)
   Exit: (214) [system] peek_char((0x55772f068e50), o)
^  Call: (214) [user] is_delimiter(o)
   Call: (215) [system] char_type(o, space)
   Fail: (215) [system] char_type(o, space)
   Call: (215) [system] arg(_48318, v('(', ')', end_of_file), o)
   Fail: (215) [system] arg(_49250, v('(', ')', end_of_file), o)
^  Fail: (214) [user] is_delimiter(o)
   Call: (214) [system] ')'==o
   Fail: (214) [system] ')'==o
   Call: (214) [system] get_char((0x55772f068e50), o)
   Exit: (214) [system] get_char((0x55772f068e50), o)
   Call: (214) [system] o=(\)
   Fail: (214) [system] o=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _56600)
   Call: (215) [system] peek_char((0x55772f068e50), _57534)
   Exit: (215) [system] peek_char((0x55772f068e50), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_62254, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_63186, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x55772f068e50), n)
   Exit: (215) [system] get_char((0x55772f068e50), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _70536)
   Call: (216) [system] peek_char((0x55772f068e50), _71470)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _70536=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (215) [system] _56600=[n]
   Exit: (215) [system] [n]=[n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (214) [system] _42664=[o, n]
   Exit: (214) [system] [o, n]=[o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (213) [system] _28728=[i, o, n]
   Exit: (213) [system] [i, o, n]=[i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (212) [system] _14792=[t, i, o, n]
   Exit: (212) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (211) [system] _3700=[a, t, i, o, n]
   Exit: (211) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (210) [system] _3696=[c, a, t, i, o, n]
   Exit: (210) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (209) [system] _3692=[i, c, a, t, i, o, n]
   Exit: (209) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (208) [system] _3688=[l, i, c, a, t, i, o, n]
   Exit: (208) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (207) [system] _3684=[p, l, i, c, a, t, i, o, n]
   Exit: (207) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (206) [system] _3680=[m, p, l, i, c, a, t, i, o, n]
   Exit: (206) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (205) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _3676)
^  Call: (206) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _108694)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_109646, _109648), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _108694), _109628, fail)), '$restore_trace'(_109646, _109648))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_109646, _109648))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _108694), _109628, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_108694)
   Fail: (207) [system] atomic(_108694)
   Call: (207) [system] atom_chars(_108694, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (207) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (206) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (206) [system] integer('Implication')
   Fail: (206) [system] integer('Implication')
   Call: (206) [system] _3676='Implication'
   Exit: (206) [system] 'Implication'='Implication'
^  Exit: (205) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (204) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (203) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (203) [user] read_list(')', (0x55772f068e50), _123644)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _125502)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x55772f068e50), _135096)
   Exit: (205) [system] get_char((0x55772f068e50), ' ')
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _137800)
   Exit: (206) [system] peek_char((0x55772f068e50), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _154734)
   Exit: (204) [system] peek_char((0x55772f068e50), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x55772f068e50), _160304)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _162162)
   Exit: (206) [system] peek_char((0x55772f068e50), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] get_char((0x55772f068e50), _178172)
   Exit: (205) [system] get_char((0x55772f068e50), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x55772f068e50), _160304)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _183742)
   Exit: (207) [system] peek_char((0x55772f068e50), 'A')
   Call: (207) [system] 'A'=(;)
   Fail: (207) [system] 'A'=(;)
   Call: (207) [system] 'A'=(/)
   Fail: (207) [system] 'A'=(/)
^  Call: (207) [user] is_like_space('A')
   Call: (208) [system] char_type('A', 'white')
   Fail: (208) [system] char_type('A', 'white')
   Call: (208) [system] char_type('A', end_of_line)
   Fail: (208) [system] char_type('A', end_of_line)
   Call: (208) [system] char_type('A', space)
   Fail: (208) [system] char_type('A', space)
   Call: (208) [system] char_type('A', cntrl)
   Fail: (208) [system] char_type('A', cntrl)
^  Fail: (207) [user] is_like_space('A')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _199752)
   Exit: (206) [system] peek_char((0x55772f068e50), 'A')
   Call: (206) [system] 'A'=')'
   Fail: (206) [system] 'A'=')'
   Call: (206) [system] 'A'=end_of_file
   Fail: (206) [system] 'A'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x55772f068e50), _205322)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _207180)
   Exit: (208) [system] peek_char((0x55772f068e50), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
   Call: (208) [system] 'A'=(/)
   Fail: (208) [system] 'A'=(/)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] get_char((0x55772f068e50), _223190)
   Exit: (207) [system] get_char((0x55772f068e50), 'A')
   Call: (207) [system] 'A'='('
   Fail: (207) [system] 'A'='('
   Call: (207) [system] 'A'='['
   Fail: (207) [system] 'A'='['
   Call: (207) [system] 'A'='{'
   Fail: (207) [system] 'A'='{'
   Call: (207) [system] 'A'='"'
   Fail: (207) [system] 'A'='"'
   Call: (207) [system] 'A'=!
   Fail: (207) [system] 'A'=!
   Call: (207) [system] 'A'='\''
   Fail: (207) [system] 'A'='\''
   Call: (207) [system] 'A'='`'
   Fail: (207) [system] 'A'='`'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x55772f068e50), 'A', _205322)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _240832)
   Call: (209) [system] peek_char((0x55772f068e50), _241766)
   Exit: (209) [system] peek_char((0x55772f068e50), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_246486, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_247418, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x55772f068e50), n)
   Exit: (209) [system] get_char((0x55772f068e50), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _254768)
   Call: (210) [system] peek_char((0x55772f068e50), _255702)
   Exit: (210) [system] peek_char((0x55772f068e50), d)
^  Call: (210) [user] is_delimiter(d)
   Call: (211) [system] char_type(d, space)
   Fail: (211) [system] char_type(d, space)
   Call: (211) [system] arg(_260422, v('(', ')', end_of_file), d)
   Fail: (211) [system] arg(_261354, v('(', ')', end_of_file), d)
^  Fail: (210) [user] is_delimiter(d)
   Call: (210) [system] ')'==d
   Fail: (210) [system] ')'==d
   Call: (210) [system] get_char((0x55772f068e50), d)
   Exit: (210) [system] get_char((0x55772f068e50), d)
   Call: (210) [system] d=(\)
   Fail: (210) [system] d=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _268704)
   Call: (211) [system] peek_char((0x55772f068e50), _269638)
   Exit: (211) [system] peek_char((0x55772f068e50), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Fail: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_274358, v('(', ')', end_of_file), 'L')
   Fail: (212) [system] arg(_275290, v('(', ')', end_of_file), 'L')
^  Fail: (211) [user] is_delimiter('L')
   Call: (211) [system] ')'=='L'
   Fail: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x55772f068e50), 'L')
   Exit: (211) [system] get_char((0x55772f068e50), 'L')
   Call: (211) [system] 'L'=(\)
   Fail: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _282640)
   Call: (212) [system] peek_char((0x55772f068e50), _283574)
   Exit: (212) [system] peek_char((0x55772f068e50), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_288294, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_289226, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x55772f068e50), i)
   Exit: (212) [system] get_char((0x55772f068e50), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _296576)
   Call: (213) [system] peek_char((0x55772f068e50), _297510)
   Exit: (213) [system] peek_char((0x55772f068e50), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_302230, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_303162, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x55772f068e50), n)
   Exit: (213) [system] get_char((0x55772f068e50), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _310512)
   Call: (214) [system] peek_char((0x55772f068e50), _311446)
   Exit: (214) [system] peek_char((0x55772f068e50), k)
^  Call: (214) [user] is_delimiter(k)
   Call: (215) [system] char_type(k, space)
   Fail: (215) [system] char_type(k, space)
   Call: (215) [system] arg(_316166, v('(', ')', end_of_file), k)
   Fail: (215) [system] arg(_317098, v('(', ')', end_of_file), k)
^  Fail: (214) [user] is_delimiter(k)
   Call: (214) [system] ')'==k
   Fail: (214) [system] ')'==k
   Call: (214) [system] get_char((0x55772f068e50), k)
   Exit: (214) [system] get_char((0x55772f068e50), k)
   Call: (214) [system] k=(\)
   Fail: (214) [system] k=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _324448)
   Call: (215) [system] peek_char((0x55772f068e50), _325382)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _324448=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (214) [system] _310512=[k]
   Exit: (214) [system] [k]=[k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (213) [system] _296576=[n, k]
   Exit: (213) [system] [n, k]=[n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (212) [system] _282640=[i, n, k]
   Exit: (212) [system] [i, n, k]=[i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (211) [system] _268704=['L', i, n, k]
   Exit: (211) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (210) [system] _254768=[d, 'L', i, n, k]
   Exit: (210) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (209) [system] _240832=[n, d, 'L', i, n, k]
   Exit: (209) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (208) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _205322)
^  Call: (209) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _351430)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_352382, _352384), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _351430), _352364, fail)), '$restore_trace'(_352382, _352384))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_352382, _352384))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _351430), _352364, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_351430)
   Fail: (210) [system] atomic(_351430)
   Call: (210) [system] atom_chars(_351430, ['A', n, d, 'L', i, n, k])
   Exit: (210) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (209) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (209) [system] integer('AndLink')
   Fail: (209) [system] integer('AndLink')
   Call: (209) [system] _205322='AndLink'
   Exit: (209) [system] 'AndLink'='AndLink'
^  Exit: (208) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (207) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (206) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (206) [user] read_list(')', (0x55772f068e50), _366380)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _368238)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x55772f068e50), _377832)
   Exit: (208) [system] get_char((0x55772f068e50), ' ')
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _380536)
   Exit: (209) [system] peek_char((0x55772f068e50), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _397470)
   Exit: (207) [system] peek_char((0x55772f068e50), 'A')
   Call: (207) [system] 'A'=')'
   Fail: (207) [system] 'A'=')'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x55772f068e50), _403040)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _404898)
   Exit: (209) [system] peek_char((0x55772f068e50), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] get_char((0x55772f068e50), _420908)
   Exit: (208) [system] get_char((0x55772f068e50), 'A')
   Call: (208) [system] 'A'='('
   Fail: (208) [system] 'A'='('
   Call: (208) [system] 'A'='['
   Fail: (208) [system] 'A'='['
   Call: (208) [system] 'A'='{'
   Fail: (208) [system] 'A'='{'
   Call: (208) [system] 'A'='"'
   Fail: (208) [system] 'A'='"'
   Call: (208) [system] 'A'=!
   Fail: (208) [system] 'A'=!
   Call: (208) [system] 'A'='\''
   Fail: (208) [system] 'A'='\''
   Call: (208) [system] 'A'='`'
   Fail: (208) [system] 'A'='`'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x55772f068e50), 'A', _403040)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _438550)
   Call: (210) [system] peek_char((0x55772f068e50), _439484)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _438550=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (209) [user] classify_and_convert_charseq(['A'], _403040)
^  Call: (210) [user] classify_and_convert_charseq_(['A'], _448768)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_449720, _449722), once(user:catch(read_from_chars(['A'], _448768), _449702, fail)), '$restore_trace'(_449720, _449722))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_449720, _449722))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _448768), _449702, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_448768)
   Fail: (211) [system] atomic(_448768)
   Call: (211) [system] atom_chars(_448768, ['A'])
   Exit: (211) [system] atom_chars('A', ['A'])
^  Exit: (210) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (210) [system] integer('A')
   Fail: (210) [system] integer('A')
   Call: (210) [system] _403040='A'
   Exit: (210) [system] 'A'='A'
^  Exit: (209) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (208) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (207) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (207) [user] read_list(')', (0x55772f068e50), _463718)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _465576)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x55772f068e50), _475170)
   Exit: (209) [system] get_char((0x55772f068e50), ' ')
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _477874)
   Exit: (210) [system] peek_char((0x55772f068e50), 'B')
   Call: (210) [system] 'B'=(;)
   Fail: (210) [system] 'B'=(;)
   Call: (210) [system] 'B'=(/)
   Fail: (210) [system] 'B'=(/)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Fail: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Fail: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Fail: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
   Fail: (211) [system] char_type('B', cntrl)
^  Fail: (210) [user] is_like_space('B')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _494808)
   Exit: (208) [system] peek_char((0x55772f068e50), 'B')
   Call: (208) [system] 'B'=')'
   Fail: (208) [system] 'B'=')'
   Call: (208) [system] 'B'=end_of_file
   Fail: (208) [system] 'B'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x55772f068e50), _500378)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _502236)
   Exit: (210) [system] peek_char((0x55772f068e50), 'B')
   Call: (210) [system] 'B'=(;)
   Fail: (210) [system] 'B'=(;)
   Call: (210) [system] 'B'=(/)
   Fail: (210) [system] 'B'=(/)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Fail: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Fail: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Fail: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
   Fail: (211) [system] char_type('B', cntrl)
^  Fail: (210) [user] is_like_space('B')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] get_char((0x55772f068e50), _518246)
   Exit: (209) [system] get_char((0x55772f068e50), 'B')
   Call: (209) [system] 'B'='('
   Fail: (209) [system] 'B'='('
   Call: (209) [system] 'B'='['
   Fail: (209) [system] 'B'='['
   Call: (209) [system] 'B'='{'
   Fail: (209) [system] 'B'='{'
   Call: (209) [system] 'B'='"'
   Fail: (209) [system] 'B'='"'
   Call: (209) [system] 'B'=!
   Fail: (209) [system] 'B'=!
   Call: (209) [system] 'B'='\''
   Fail: (209) [system] 'B'='\''
   Call: (209) [system] 'B'='`'
   Fail: (209) [system] 'B'='`'
   Call: (209) [system] 'B'=end_of_file
   Fail: (209) [system] 'B'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x55772f068e50), 'B', _500378)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _535888)
   Call: (211) [system] peek_char((0x55772f068e50), _536822)
   Exit: (211) [system] peek_char((0x55772f068e50), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_541542, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _535888=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (210) [user] classify_and_convert_charseq(['B'], _500378)
^  Call: (211) [user] classify_and_convert_charseq_(['B'], _547978)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_548930, _548932), once(user:catch(read_from_chars(['B'], _547978), _548912, fail)), '$restore_trace'(_548930, _548932))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_548930, _548932))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _547978), _548912, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_547978)
   Fail: (212) [system] atomic(_547978)
   Call: (212) [system] atom_chars(_547978, ['B'])
   Exit: (212) [system] atom_chars('B', ['B'])
^  Exit: (211) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (211) [system] integer('B')
   Fail: (211) [system] integer('B')
   Call: (211) [system] _500378='B'
   Exit: (211) [system] 'B'='B'
^  Exit: (210) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (209) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (208) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (208) [user] read_list(')', (0x55772f068e50), _562928)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _564786)
   Exit: (210) [system] peek_char((0x55772f068e50), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
   Call: (210) [system] ')'=(/)
   Fail: (210) [system] ')'=(/)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _580796)
   Exit: (209) [system] peek_char((0x55772f068e50), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x55772f068e50), _584586)
   Exit: (209) [system] get_char((0x55772f068e50), ')')
   Call: (209) [system] _562928=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x55772f068e50), [])
   Call: (208) [system] _463718=['B']
   Exit: (208) [system] ['B']=['B']
^  Exit: (207) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (207) [system] _366380=['A', 'B']
   Exit: (207) [system] ['A', 'B']=['A', 'B']
^  Exit: (206) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (206) [system] _160304=['AndLink', 'A', 'B']
   Exit: (206) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (205) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (204) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (204) [user] read_list(')', (0x55772f068e50), _598468)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _600326)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x55772f068e50), _609920)
   Exit: (206) [system] get_char((0x55772f068e50), ' ')
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _612624)
   Exit: (207) [system] peek_char((0x55772f068e50), 'C')
   Call: (207) [system] 'C'=(;)
   Fail: (207) [system] 'C'=(;)
   Call: (207) [system] 'C'=(/)
   Fail: (207) [system] 'C'=(/)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Fail: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Fail: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Fail: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
   Fail: (208) [system] char_type('C', cntrl)
^  Fail: (207) [user] is_like_space('C')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _629558)
   Exit: (205) [system] peek_char((0x55772f068e50), 'C')
   Call: (205) [system] 'C'=')'
   Fail: (205) [system] 'C'=')'
   Call: (205) [system] 'C'=end_of_file
   Fail: (205) [system] 'C'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x55772f068e50), _635128)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _636986)
   Exit: (207) [system] peek_char((0x55772f068e50), 'C')
   Call: (207) [system] 'C'=(;)
   Fail: (207) [system] 'C'=(;)
   Call: (207) [system] 'C'=(/)
   Fail: (207) [system] 'C'=(/)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Fail: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Fail: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Fail: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
   Fail: (208) [system] char_type('C', cntrl)
^  Fail: (207) [user] is_like_space('C')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] get_char((0x55772f068e50), _652996)
   Exit: (206) [system] get_char((0x55772f068e50), 'C')
   Call: (206) [system] 'C'='('
   Fail: (206) [system] 'C'='('
   Call: (206) [system] 'C'='['
   Fail: (206) [system] 'C'='['
   Call: (206) [system] 'C'='{'
   Fail: (206) [system] 'C'='{'
   Call: (206) [system] 'C'='"'
   Fail: (206) [system] 'C'='"'
   Call: (206) [system] 'C'=!
   Fail: (206) [system] 'C'=!
   Call: (206) [system] 'C'='\''
   Fail: (206) [system] 'C'='\''
   Call: (206) [system] 'C'='`'
   Fail: (206) [system] 'C'='`'
   Call: (206) [system] 'C'=end_of_file
   Fail: (206) [system] 'C'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x55772f068e50), 'C', _635128)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _670638)
   Call: (208) [system] peek_char((0x55772f068e50), _671572)
   Exit: (208) [system] peek_char((0x55772f068e50), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_676292, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _670638=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (207) [user] classify_and_convert_charseq(['C'], _635128)
^  Call: (208) [user] classify_and_convert_charseq_(['C'], _682728)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_683680, _683682), once(user:catch(read_from_chars(['C'], _682728), _683662, fail)), '$restore_trace'(_683680, _683682))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_683680, _683682))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _682728), _683662, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_682728)
   Fail: (209) [system] atomic(_682728)
   Call: (209) [system] atom_chars(_682728, ['C'])
   Exit: (209) [system] atom_chars('C', ['C'])
^  Exit: (208) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (208) [system] integer('C')
   Fail: (208) [system] integer('C')
   Call: (208) [system] _635128='C'
   Exit: (208) [system] 'C'='C'
^  Exit: (207) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (206) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (205) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (205) [user] read_list(')', (0x55772f068e50), _697678)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _699536)
   Exit: (207) [system] peek_char((0x55772f068e50), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
   Call: (207) [system] ')'=(/)
   Fail: (207) [system] ')'=(/)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _715546)
   Exit: (206) [system] peek_char((0x55772f068e50), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x55772f068e50), _719336)
   Exit: (206) [system] get_char((0x55772f068e50), ')')
   Call: (206) [system] _697678=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x55772f068e50), [])
   Call: (205) [system] _598468=['C']
   Exit: (205) [system] ['C']=['C']
^  Exit: (204) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (204) [system] _123644=[['AndLink', 'A', 'B'], 'C']
   Exit: (204) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (203) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (203) [system] _3670=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (203) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (202) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (201) [user] read_list(')', (0x55772f068e50), _733218)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _735076)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _744670)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _747374)
   Exit: (204) [system] peek_char((0x55772f068e50), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _764308)
   Exit: (202) [system] peek_char((0x55772f068e50), '(')
   Call: (202) [system] '('=')'
   Fail: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
   Fail: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x55772f068e50), _769878)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _771736)
   Exit: (204) [system] peek_char((0x55772f068e50), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] get_char((0x55772f068e50), _787746)
   Exit: (203) [system] get_char((0x55772f068e50), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x55772f068e50), _769878)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _793316)
   Exit: (205) [system] peek_char((0x55772f068e50), 'I')
   Call: (205) [system] 'I'=(;)
   Fail: (205) [system] 'I'=(;)
   Call: (205) [system] 'I'=(/)
   Fail: (205) [system] 'I'=(/)
^  Call: (205) [user] is_like_space('I')
   Call: (206) [system] char_type('I', 'white')
   Fail: (206) [system] char_type('I', 'white')
   Call: (206) [system] char_type('I', end_of_line)
   Fail: (206) [system] char_type('I', end_of_line)
   Call: (206) [system] char_type('I', space)
   Fail: (206) [system] char_type('I', space)
   Call: (206) [system] char_type('I', cntrl)
   Fail: (206) [system] char_type('I', cntrl)
^  Fail: (205) [user] is_like_space('I')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _809326)
   Exit: (204) [system] peek_char((0x55772f068e50), 'I')
   Call: (204) [system] 'I'=')'
   Fail: (204) [system] 'I'=')'
   Call: (204) [system] 'I'=end_of_file
   Fail: (204) [system] 'I'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x55772f068e50), _814896)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _816754)
   Exit: (206) [system] peek_char((0x55772f068e50), 'I')
   Call: (206) [system] 'I'=(;)
   Fail: (206) [system] 'I'=(;)
   Call: (206) [system] 'I'=(/)
   Fail: (206) [system] 'I'=(/)
^  Call: (206) [user] is_like_space('I')
   Call: (207) [system] char_type('I', 'white')
   Fail: (207) [system] char_type('I', 'white')
   Call: (207) [system] char_type('I', end_of_line)
   Fail: (207) [system] char_type('I', end_of_line)
   Call: (207) [system] char_type('I', space)
   Fail: (207) [system] char_type('I', space)
   Call: (207) [system] char_type('I', cntrl)
   Fail: (207) [system] char_type('I', cntrl)
^  Fail: (206) [user] is_like_space('I')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] get_char((0x55772f068e50), _832764)
   Exit: (205) [system] get_char((0x55772f068e50), 'I')
   Call: (205) [system] 'I'='('
   Fail: (205) [system] 'I'='('
   Call: (205) [system] 'I'='['
   Fail: (205) [system] 'I'='['
   Call: (205) [system] 'I'='{'
   Fail: (205) [system] 'I'='{'
   Call: (205) [system] 'I'='"'
   Fail: (205) [system] 'I'='"'
   Call: (205) [system] 'I'=!
   Fail: (205) [system] 'I'=!
   Call: (205) [system] 'I'='\''
   Fail: (205) [system] 'I'='\''
   Call: (205) [system] 'I'='`'
   Fail: (205) [system] 'I'='`'
   Call: (205) [system] 'I'=end_of_file
   Fail: (205) [system] 'I'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x55772f068e50), 'I', _814896)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _850406)
   Call: (207) [system] peek_char((0x55772f068e50), _851340)
   Exit: (207) [system] peek_char((0x55772f068e50), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_856060, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_856992, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x55772f068e50), m)
   Exit: (207) [system] get_char((0x55772f068e50), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _864342)
   Call: (208) [system] peek_char((0x55772f068e50), _865276)
   Exit: (208) [system] peek_char((0x55772f068e50), p)
^  Call: (208) [user] is_delimiter(p)
   Call: (209) [system] char_type(p, space)
   Fail: (209) [system] char_type(p, space)
   Call: (209) [system] arg(_869996, v('(', ')', end_of_file), p)
   Fail: (209) [system] arg(_870928, v('(', ')', end_of_file), p)
^  Fail: (208) [user] is_delimiter(p)
   Call: (208) [system] ')'==p
   Fail: (208) [system] ')'==p
   Call: (208) [system] get_char((0x55772f068e50), p)
   Exit: (208) [system] get_char((0x55772f068e50), p)
   Call: (208) [system] p=(\)
   Fail: (208) [system] p=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _878278)
   Call: (209) [system] peek_char((0x55772f068e50), _879212)
   Exit: (209) [system] peek_char((0x55772f068e50), l)
^  Call: (209) [user] is_delimiter(l)
   Call: (210) [system] char_type(l, space)
   Fail: (210) [system] char_type(l, space)
   Call: (210) [system] arg(_883932, v('(', ')', end_of_file), l)
   Fail: (210) [system] arg(_884864, v('(', ')', end_of_file), l)
^  Fail: (209) [user] is_delimiter(l)
   Call: (209) [system] ')'==l
   Fail: (209) [system] ')'==l
   Call: (209) [system] get_char((0x55772f068e50), l)
   Exit: (209) [system] get_char((0x55772f068e50), l)
   Call: (209) [system] l=(\)
   Fail: (209) [system] l=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _892214)
   Call: (210) [system] peek_char((0x55772f068e50), _893148)
   Exit: (210) [system] peek_char((0x55772f068e50), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_897868, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_898800, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x55772f068e50), i)
   Exit: (210) [system] get_char((0x55772f068e50), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _906150)
   Call: (211) [system] peek_char((0x55772f068e50), _907084)
   Exit: (211) [system] peek_char((0x55772f068e50), c)
^  Call: (211) [user] is_delimiter(c)
   Call: (212) [system] char_type(c, space)
   Fail: (212) [system] char_type(c, space)
   Call: (212) [system] arg(_911804, v('(', ')', end_of_file), c)
   Fail: (212) [system] arg(_912736, v('(', ')', end_of_file), c)
^  Fail: (211) [user] is_delimiter(c)
   Call: (211) [system] ')'==c
   Fail: (211) [system] ')'==c
   Call: (211) [system] get_char((0x55772f068e50), c)
   Exit: (211) [system] get_char((0x55772f068e50), c)
   Call: (211) [system] c=(\)
   Fail: (211) [system] c=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _920086)
   Call: (212) [system] peek_char((0x55772f068e50), _921020)
   Exit: (212) [system] peek_char((0x55772f068e50), a)
^  Call: (212) [user] is_delimiter(a)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] arg(_925740, v('(', ')', end_of_file), a)
   Fail: (213) [system] arg(_926672, v('(', ')', end_of_file), a)
^  Fail: (212) [user] is_delimiter(a)
   Call: (212) [system] ')'==a
   Fail: (212) [system] ')'==a
   Call: (212) [system] get_char((0x55772f068e50), a)
   Exit: (212) [system] get_char((0x55772f068e50), a)
   Call: (212) [system] a=(\)
   Fail: (212) [system] a=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _934022)
   Call: (213) [system] peek_char((0x55772f068e50), _934956)
   Exit: (213) [system] peek_char((0x55772f068e50), t)
^  Call: (213) [user] is_delimiter(t)
   Call: (214) [system] char_type(t, space)
   Fail: (214) [system] char_type(t, space)
   Call: (214) [system] arg(_939676, v('(', ')', end_of_file), t)
   Fail: (214) [system] arg(_940608, v('(', ')', end_of_file), t)
^  Fail: (213) [user] is_delimiter(t)
   Call: (213) [system] ')'==t
   Fail: (213) [system] ')'==t
   Call: (213) [system] get_char((0x55772f068e50), t)
   Exit: (213) [system] get_char((0x55772f068e50), t)
   Call: (213) [system] t=(\)
   Fail: (213) [system] t=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _947958)
   Call: (214) [system] peek_char((0x55772f068e50), _948892)
   Exit: (214) [system] peek_char((0x55772f068e50), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_953612, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_954544, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x55772f068e50), i)
   Exit: (214) [system] get_char((0x55772f068e50), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _961894)
   Call: (215) [system] peek_char((0x55772f068e50), _962828)
   Exit: (215) [system] peek_char((0x55772f068e50), o)
^  Call: (215) [user] is_delimiter(o)
   Call: (216) [system] char_type(o, space)
   Fail: (216) [system] char_type(o, space)
   Call: (216) [system] arg(_967548, v('(', ')', end_of_file), o)
   Fail: (216) [system] arg(_968480, v('(', ')', end_of_file), o)
^  Fail: (215) [user] is_delimiter(o)
   Call: (215) [system] ')'==o
   Fail: (215) [system] ')'==o
   Call: (215) [system] get_char((0x55772f068e50), o)
   Exit: (215) [system] get_char((0x55772f068e50), o)
   Call: (215) [system] o=(\)
   Fail: (215) [system] o=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _975830)
   Call: (216) [system] peek_char((0x55772f068e50), _976764)
   Exit: (216) [system] peek_char((0x55772f068e50), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_981484, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_982416, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x55772f068e50), n)
   Exit: (216) [system] get_char((0x55772f068e50), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _989766)
   Call: (217) [system] peek_char((0x55772f068e50), _990700)
   Exit: (217) [system] peek_char((0x55772f068e50), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _989766=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (216) [system] _975830=[n]
   Exit: (216) [system] [n]=[n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (215) [system] _961894=[o, n]
   Exit: (215) [system] [o, n]=[o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (214) [system] _947958=[i, o, n]
   Exit: (214) [system] [i, o, n]=[i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (213) [system] _934022=[t, i, o, n]
   Exit: (213) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (212) [system] _920086=[a, t, i, o, n]
   Exit: (212) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (211) [system] _906150=[c, a, t, i, o, n]
   Exit: (211) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (210) [system] _892214=[i, c, a, t, i, o, n]
   Exit: (210) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (209) [system] _878278=[l, i, c, a, t, i, o, n]
   Exit: (209) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (208) [system] _864342=[p, l, i, c, a, t, i, o, n]
   Exit: (208) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (207) [system] _850406=[m, p, l, i, c, a, t, i, o, n]
   Exit: (207) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (206) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _814896)
^  Call: (207) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1027924)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1028876, _1028878), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1027924), _1028858, fail)), '$restore_trace'(_1028876, _1028878))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1028876, _1028878))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1027924), _1028858, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_1027924)
   Fail: (208) [system] atomic(_1027924)
   Call: (208) [system] atom_chars(_1027924, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (208) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (207) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (207) [system] integer('Implication')
   Fail: (207) [system] integer('Implication')
   Call: (207) [system] _814896='Implication'
   Exit: (207) [system] 'Implication'='Implication'
^  Exit: (206) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (205) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (204) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (204) [user] read_list(')', (0x55772f068e50), _1042874)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1044732)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x55772f068e50), _1054326)
   Exit: (206) [system] get_char((0x55772f068e50), ' ')
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1057030)
   Exit: (207) [system] peek_char((0x55772f068e50), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1073964)
   Exit: (205) [system] peek_char((0x55772f068e50), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x55772f068e50), _1079534)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1081392)
   Exit: (207) [system] peek_char((0x55772f068e50), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] get_char((0x55772f068e50), _1097402)
   Exit: (206) [system] get_char((0x55772f068e50), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x55772f068e50), _1079534)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1102972)
   Exit: (208) [system] peek_char((0x55772f068e50), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
   Call: (208) [system] 'A'=(/)
   Fail: (208) [system] 'A'=(/)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1118982)
   Exit: (207) [system] peek_char((0x55772f068e50), 'A')
   Call: (207) [system] 'A'=')'
   Fail: (207) [system] 'A'=')'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x55772f068e50), _1124552)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1126410)
   Exit: (209) [system] peek_char((0x55772f068e50), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] get_char((0x55772f068e50), _1142420)
   Exit: (208) [system] get_char((0x55772f068e50), 'A')
   Call: (208) [system] 'A'='('
   Fail: (208) [system] 'A'='('
   Call: (208) [system] 'A'='['
   Fail: (208) [system] 'A'='['
   Call: (208) [system] 'A'='{'
   Fail: (208) [system] 'A'='{'
   Call: (208) [system] 'A'='"'
   Fail: (208) [system] 'A'='"'
   Call: (208) [system] 'A'=!
   Fail: (208) [system] 'A'=!
   Call: (208) [system] 'A'='\''
   Fail: (208) [system] 'A'='\''
   Call: (208) [system] 'A'='`'
   Fail: (208) [system] 'A'='`'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x55772f068e50), 'A', _1124552)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1160062)
   Call: (210) [system] peek_char((0x55772f068e50), _1160996)
   Exit: (210) [system] peek_char((0x55772f068e50), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_1165716, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_1166648, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x55772f068e50), n)
   Exit: (210) [system] get_char((0x55772f068e50), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1173998)
   Call: (211) [system] peek_char((0x55772f068e50), _1174932)
   Exit: (211) [system] peek_char((0x55772f068e50), d)
^  Call: (211) [user] is_delimiter(d)
   Call: (212) [system] char_type(d, space)
   Fail: (212) [system] char_type(d, space)
   Call: (212) [system] arg(_1179652, v('(', ')', end_of_file), d)
   Fail: (212) [system] arg(_1180584, v('(', ')', end_of_file), d)
^  Fail: (211) [user] is_delimiter(d)
   Call: (211) [system] ')'==d
   Fail: (211) [system] ')'==d
   Call: (211) [system] get_char((0x55772f068e50), d)
   Exit: (211) [system] get_char((0x55772f068e50), d)
   Call: (211) [system] d=(\)
   Fail: (211) [system] d=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1187934)
   Call: (212) [system] peek_char((0x55772f068e50), _1188868)
   Exit: (212) [system] peek_char((0x55772f068e50), 'L')
^  Call: (212) [user] is_delimiter('L')
   Call: (213) [system] char_type('L', space)
   Fail: (213) [system] char_type('L', space)
   Call: (213) [system] arg(_1193588, v('(', ')', end_of_file), 'L')
   Fail: (213) [system] arg(_1194520, v('(', ')', end_of_file), 'L')
^  Fail: (212) [user] is_delimiter('L')
   Call: (212) [system] ')'=='L'
   Fail: (212) [system] ')'=='L'
   Call: (212) [system] get_char((0x55772f068e50), 'L')
   Exit: (212) [system] get_char((0x55772f068e50), 'L')
   Call: (212) [system] 'L'=(\)
   Fail: (212) [system] 'L'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1201870)
   Call: (213) [system] peek_char((0x55772f068e50), _1202804)
   Exit: (213) [system] peek_char((0x55772f068e50), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1207524, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1208456, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x55772f068e50), i)
   Exit: (213) [system] get_char((0x55772f068e50), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1215806)
   Call: (214) [system] peek_char((0x55772f068e50), _1216740)
   Exit: (214) [system] peek_char((0x55772f068e50), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1221460, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1222392, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x55772f068e50), n)
   Exit: (214) [system] get_char((0x55772f068e50), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1229742)
   Call: (215) [system] peek_char((0x55772f068e50), _1230676)
   Exit: (215) [system] peek_char((0x55772f068e50), k)
^  Call: (215) [user] is_delimiter(k)
   Call: (216) [system] char_type(k, space)
   Fail: (216) [system] char_type(k, space)
   Call: (216) [system] arg(_1235396, v('(', ')', end_of_file), k)
   Fail: (216) [system] arg(_1236328, v('(', ')', end_of_file), k)
^  Fail: (215) [user] is_delimiter(k)
   Call: (215) [system] ')'==k
   Fail: (215) [system] ')'==k
   Call: (215) [system] get_char((0x55772f068e50), k)
   Exit: (215) [system] get_char((0x55772f068e50), k)
   Call: (215) [system] k=(\)
   Fail: (215) [system] k=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1243678)
   Call: (216) [system] peek_char((0x55772f068e50), _1244612)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1243678=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (215) [system] _1229742=[k]
   Exit: (215) [system] [k]=[k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (214) [system] _1215806=[n, k]
   Exit: (214) [system] [n, k]=[n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (213) [system] _1201870=[i, n, k]
   Exit: (213) [system] [i, n, k]=[i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (212) [system] _1187934=['L', i, n, k]
   Exit: (212) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (211) [system] _1173998=[d, 'L', i, n, k]
   Exit: (211) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (210) [system] _1160062=[n, d, 'L', i, n, k]
   Exit: (210) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (209) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1124552)
^  Call: (210) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1270660)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1271612, _1271614), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1270660), _1271594, fail)), '$restore_trace'(_1271612, _1271614))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1271612, _1271614))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1270660), _1271594, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1270660)
   Fail: (211) [system] atomic(_1270660)
   Call: (211) [system] atom_chars(_1270660, ['A', n, d, 'L', i, n, k])
   Exit: (211) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (210) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (210) [system] integer('AndLink')
   Fail: (210) [system] integer('AndLink')
   Call: (210) [system] _1124552='AndLink'
   Exit: (210) [system] 'AndLink'='AndLink'
^  Exit: (209) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (208) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (207) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (207) [user] read_list(')', (0x55772f068e50), _1285610)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1287468)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x55772f068e50), _1297062)
   Exit: (209) [system] get_char((0x55772f068e50), ' ')
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1299766)
   Exit: (210) [system] peek_char((0x55772f068e50), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
   Call: (210) [system] 'A'=(/)
   Fail: (210) [system] 'A'=(/)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1316700)
   Exit: (208) [system] peek_char((0x55772f068e50), 'A')
   Call: (208) [system] 'A'=')'
   Fail: (208) [system] 'A'=')'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x55772f068e50), _1322270)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1324128)
   Exit: (210) [system] peek_char((0x55772f068e50), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
   Call: (210) [system] 'A'=(/)
   Fail: (210) [system] 'A'=(/)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] get_char((0x55772f068e50), _1340138)
   Exit: (209) [system] get_char((0x55772f068e50), 'A')
   Call: (209) [system] 'A'='('
   Fail: (209) [system] 'A'='('
   Call: (209) [system] 'A'='['
   Fail: (209) [system] 'A'='['
   Call: (209) [system] 'A'='{'
   Fail: (209) [system] 'A'='{'
   Call: (209) [system] 'A'='"'
   Fail: (209) [system] 'A'='"'
   Call: (209) [system] 'A'=!
   Fail: (209) [system] 'A'=!
   Call: (209) [system] 'A'='\''
   Fail: (209) [system] 'A'='\''
   Call: (209) [system] 'A'='`'
   Fail: (209) [system] 'A'='`'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x55772f068e50), 'A', _1322270)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1357780)
   Call: (211) [system] peek_char((0x55772f068e50), _1358714)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1357780=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (210) [user] classify_and_convert_charseq(['A'], _1322270)
^  Call: (211) [user] classify_and_convert_charseq_(['A'], _1367998)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1368950, _1368952), once(user:catch(read_from_chars(['A'], _1367998), _1368932, fail)), '$restore_trace'(_1368950, _1368952))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1368950, _1368952))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1367998), _1368932, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1367998)
   Fail: (212) [system] atomic(_1367998)
   Call: (212) [system] atom_chars(_1367998, ['A'])
   Exit: (212) [system] atom_chars('A', ['A'])
^  Exit: (211) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (211) [system] integer('A')
   Fail: (211) [system] integer('A')
   Call: (211) [system] _1322270='A'
   Exit: (211) [system] 'A'='A'
^  Exit: (210) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (209) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (208) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (208) [user] read_list(')', (0x55772f068e50), _1382948)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1384806)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x55772f068e50), _1394400)
   Exit: (210) [system] get_char((0x55772f068e50), ' ')
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1397104)
   Exit: (211) [system] peek_char((0x55772f068e50), 'B')
   Call: (211) [system] 'B'=(;)
   Fail: (211) [system] 'B'=(;)
   Call: (211) [system] 'B'=(/)
   Fail: (211) [system] 'B'=(/)
^  Call: (211) [user] is_like_space('B')
   Call: (212) [system] char_type('B', 'white')
   Fail: (212) [system] char_type('B', 'white')
   Call: (212) [system] char_type('B', end_of_line)
   Fail: (212) [system] char_type('B', end_of_line)
   Call: (212) [system] char_type('B', space)
   Fail: (212) [system] char_type('B', space)
   Call: (212) [system] char_type('B', cntrl)
   Fail: (212) [system] char_type('B', cntrl)
^  Fail: (211) [user] is_like_space('B')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1414038)
   Exit: (209) [system] peek_char((0x55772f068e50), 'B')
   Call: (209) [system] 'B'=')'
   Fail: (209) [system] 'B'=')'
   Call: (209) [system] 'B'=end_of_file
   Fail: (209) [system] 'B'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x55772f068e50), _1419608)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1421466)
   Exit: (211) [system] peek_char((0x55772f068e50), 'B')
   Call: (211) [system] 'B'=(;)
   Fail: (211) [system] 'B'=(;)
   Call: (211) [system] 'B'=(/)
   Fail: (211) [system] 'B'=(/)
^  Call: (211) [user] is_like_space('B')
   Call: (212) [system] char_type('B', 'white')
   Fail: (212) [system] char_type('B', 'white')
   Call: (212) [system] char_type('B', end_of_line)
   Fail: (212) [system] char_type('B', end_of_line)
   Call: (212) [system] char_type('B', space)
   Fail: (212) [system] char_type('B', space)
   Call: (212) [system] char_type('B', cntrl)
   Fail: (212) [system] char_type('B', cntrl)
^  Fail: (211) [user] is_like_space('B')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] get_char((0x55772f068e50), _1437476)
   Exit: (210) [system] get_char((0x55772f068e50), 'B')
   Call: (210) [system] 'B'='('
   Fail: (210) [system] 'B'='('
   Call: (210) [system] 'B'='['
   Fail: (210) [system] 'B'='['
   Call: (210) [system] 'B'='{'
   Fail: (210) [system] 'B'='{'
   Call: (210) [system] 'B'='"'
   Fail: (210) [system] 'B'='"'
   Call: (210) [system] 'B'=!
   Fail: (210) [system] 'B'=!
   Call: (210) [system] 'B'='\''
   Fail: (210) [system] 'B'='\''
   Call: (210) [system] 'B'='`'
   Fail: (210) [system] 'B'='`'
   Call: (210) [system] 'B'=end_of_file
   Fail: (210) [system] 'B'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x55772f068e50), 'B', _1419608)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1455118)
   Call: (212) [system] peek_char((0x55772f068e50), _1456052)
   Exit: (212) [system] peek_char((0x55772f068e50), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_1460772, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _1455118=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (211) [user] classify_and_convert_charseq(['B'], _1419608)
^  Call: (212) [user] classify_and_convert_charseq_(['B'], _1467208)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1468160, _1468162), once(user:catch(read_from_chars(['B'], _1467208), _1468142, fail)), '$restore_trace'(_1468160, _1468162))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1468160, _1468162))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1467208), _1468142, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1467208)
   Fail: (213) [system] atomic(_1467208)
   Call: (213) [system] atom_chars(_1467208, ['B'])
   Exit: (213) [system] atom_chars('B', ['B'])
^  Exit: (212) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (212) [system] integer('B')
   Fail: (212) [system] integer('B')
   Call: (212) [system] _1419608='B'
   Exit: (212) [system] 'B'='B'
^  Exit: (211) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (210) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (209) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (209) [user] read_list(')', (0x55772f068e50), _1482158)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1484016)
   Exit: (211) [system] peek_char((0x55772f068e50), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
   Call: (211) [system] ')'=(/)
   Fail: (211) [system] ')'=(/)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1500026)
   Exit: (210) [system] peek_char((0x55772f068e50), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x55772f068e50), _1503816)
   Exit: (210) [system] get_char((0x55772f068e50), ')')
   Call: (210) [system] _1482158=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x55772f068e50), [])
   Call: (209) [system] _1382948=['B']
   Exit: (209) [system] ['B']=['B']
^  Exit: (208) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (208) [system] _1285610=['A', 'B']
   Exit: (208) [system] ['A', 'B']=['A', 'B']
^  Exit: (207) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (207) [system] _1079534=['AndLink', 'A', 'B']
   Exit: (207) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (206) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (205) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (205) [user] read_list(')', (0x55772f068e50), _1517698)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1519556)
   Exit: (207) [system] peek_char((0x55772f068e50), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x55772f068e50), _1529150)
   Exit: (207) [system] get_char((0x55772f068e50), ' ')
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1531854)
   Exit: (208) [system] peek_char((0x55772f068e50), 'C')
   Call: (208) [system] 'C'=(;)
   Fail: (208) [system] 'C'=(;)
   Call: (208) [system] 'C'=(/)
   Fail: (208) [system] 'C'=(/)
^  Call: (208) [user] is_like_space('C')
   Call: (209) [system] char_type('C', 'white')
   Fail: (209) [system] char_type('C', 'white')
   Call: (209) [system] char_type('C', end_of_line)
   Fail: (209) [system] char_type('C', end_of_line)
   Call: (209) [system] char_type('C', space)
   Fail: (209) [system] char_type('C', space)
   Call: (209) [system] char_type('C', cntrl)
   Fail: (209) [system] char_type('C', cntrl)
^  Fail: (208) [user] is_like_space('C')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1548788)
   Exit: (206) [system] peek_char((0x55772f068e50), 'C')
   Call: (206) [system] 'C'=')'
   Fail: (206) [system] 'C'=')'
   Call: (206) [system] 'C'=end_of_file
   Fail: (206) [system] 'C'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x55772f068e50), _1554358)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1556216)
   Exit: (208) [system] peek_char((0x55772f068e50), 'C')
   Call: (208) [system] 'C'=(;)
   Fail: (208) [system] 'C'=(;)
   Call: (208) [system] 'C'=(/)
   Fail: (208) [system] 'C'=(/)
^  Call: (208) [user] is_like_space('C')
   Call: (209) [system] char_type('C', 'white')
   Fail: (209) [system] char_type('C', 'white')
   Call: (209) [system] char_type('C', end_of_line)
   Fail: (209) [system] char_type('C', end_of_line)
   Call: (209) [system] char_type('C', space)
   Fail: (209) [system] char_type('C', space)
   Call: (209) [system] char_type('C', cntrl)
   Fail: (209) [system] char_type('C', cntrl)
^  Fail: (208) [user] is_like_space('C')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] get_char((0x55772f068e50), _1572226)
   Exit: (207) [system] get_char((0x55772f068e50), 'C')
   Call: (207) [system] 'C'='('
   Fail: (207) [system] 'C'='('
   Call: (207) [system] 'C'='['
   Fail: (207) [system] 'C'='['
   Call: (207) [system] 'C'='{'
   Fail: (207) [system] 'C'='{'
   Call: (207) [system] 'C'='"'
   Fail: (207) [system] 'C'='"'
   Call: (207) [system] 'C'=!
   Fail: (207) [system] 'C'=!
   Call: (207) [system] 'C'='\''
   Fail: (207) [system] 'C'='\''
   Call: (207) [system] 'C'='`'
   Fail: (207) [system] 'C'='`'
   Call: (207) [system] 'C'=end_of_file
   Fail: (207) [system] 'C'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x55772f068e50), 'C', _1554358)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1589868)
   Call: (209) [system] peek_char((0x55772f068e50), _1590802)
   Exit: (209) [system] peek_char((0x55772f068e50), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_1595522, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _1589868=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (208) [user] classify_and_convert_charseq(['C'], _1554358)
^  Call: (209) [user] classify_and_convert_charseq_(['C'], _1601958)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1602910, _1602912), once(user:catch(read_from_chars(['C'], _1601958), _1602892, fail)), '$restore_trace'(_1602910, _1602912))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1602910, _1602912))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1601958), _1602892, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_1601958)
   Fail: (210) [system] atomic(_1601958)
   Call: (210) [system] atom_chars(_1601958, ['C'])
   Exit: (210) [system] atom_chars('C', ['C'])
^  Exit: (209) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (209) [system] integer('C')
   Fail: (209) [system] integer('C')
   Call: (209) [system] _1554358='C'
   Exit: (209) [system] 'C'='C'
^  Exit: (208) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (207) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (206) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (206) [user] read_list(')', (0x55772f068e50), _1616908)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1618766)
   Exit: (208) [system] peek_char((0x55772f068e50), ')')
   Call: (208) [system] ')'=(;)
   Fail: (208) [system] ')'=(;)
   Call: (208) [system] ')'=(/)
   Fail: (208) [system] ')'=(/)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Fail: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Fail: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
   Fail: (209) [system] char_type(')', cntrl)
^  Fail: (208) [user] is_like_space(')')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1634776)
   Exit: (207) [system] peek_char((0x55772f068e50), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x55772f068e50), _1638566)
   Exit: (207) [system] get_char((0x55772f068e50), ')')
   Call: (207) [system] _1616908=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x55772f068e50), [])
   Call: (206) [system] _1517698=['C']
   Exit: (206) [system] ['C']=['C']
^  Exit: (205) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (205) [system] _1042874=[['AndLink', 'A', 'B'], 'C']
   Exit: (205) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (204) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (204) [system] _769878=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (204) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (203) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (202) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (202) [user] read_list(')', (0x55772f068e50), _1652448)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1654306)
   Exit: (204) [system] peek_char((0x55772f068e50), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1670316)
   Exit: (203) [system] peek_char((0x55772f068e50), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x55772f068e50), _1674106)
   Exit: (203) [system] get_char((0x55772f068e50), ')')
   Call: (203) [system] _1652448=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x55772f068e50), [])
   Call: (202) [system] _733218=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (202) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (201) [system] _3666=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (201) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (200) [system] _3658=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (200) [system] ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (198) [user] read_list(')', (0x55772f068e50), _1687988)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1689846)
   Exit: (200) [system] peek_char((0x55772f068e50), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
   Call: (200) [system] ')'=(/)
   Fail: (200) [system] ')'=(/)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1705856)
   Exit: (199) [system] peek_char((0x55772f068e50), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x55772f068e50), _1709646)
   Exit: (199) [system] get_char((0x55772f068e50), ')')
   Call: (199) [system] _1687988=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [])
   Call: (198) [system] _3654=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (198) [system] [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (197) [system] _3630=[['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (197) [system] [['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (196) [system] _3622=[:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (196) [system] [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (194) [user] read_list(')', (0x55772f068e50), _1723528)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1725386)
   Exit: (196) [system] peek_char((0x55772f068e50), '\n')
   Call: (196) [system] '\n'=(;)
   Fail: (196) [system] '\n'=(;)
   Call: (196) [system] '\n'=(/)
   Fail: (196) [system] '\n'=(/)
^  Call: (196) [user] is_like_space('\n')
   Call: (197) [system] char_type('\n', 'white')
   Fail: (197) [system] char_type('\n', 'white')
   Call: (197) [system] char_type('\n', end_of_line)
   Exit: (197) [system] char_type('\n', end_of_line)
^  Exit: (196) [user] is_like_space('\n')
   Call: (196) [system] get_char((0x55772f068e50), _1736836)
   Exit: (196) [system] get_char((0x55772f068e50), '\n')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1739540)
   Exit: (197) [system] peek_char((0x55772f068e50), '\t')
   Call: (197) [system] '\t'=(;)
   Fail: (197) [system] '\t'=(;)
   Call: (197) [system] '\t'=(/)
   Fail: (197) [system] '\t'=(/)
^  Call: (197) [user] is_like_space('\t')
   Call: (198) [system] char_type('\t', 'white')
   Exit: (198) [system] char_type('\t', 'white')
^  Exit: (197) [user] is_like_space('\t')
   Call: (197) [system] get_char((0x55772f068e50), _1749134)
   Exit: (197) [system] get_char((0x55772f068e50), '\t')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1751838)
   Exit: (198) [system] peek_char((0x55772f068e50), '\t')
   Call: (198) [system] '\t'=(;)
   Fail: (198) [system] '\t'=(;)
   Call: (198) [system] '\t'=(/)
   Fail: (198) [system] '\t'=(/)
^  Call: (198) [user] is_like_space('\t')
   Call: (199) [system] char_type('\t', 'white')
   Exit: (199) [system] char_type('\t', 'white')
^  Exit: (198) [user] is_like_space('\t')
   Call: (198) [system] get_char((0x55772f068e50), _1761432)
   Exit: (198) [system] get_char((0x55772f068e50), '\t')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1764136)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _1773730)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1776434)
   Exit: (200) [system] peek_char((0x55772f068e50), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1796140)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _1801710)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1803568)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _1819578)
   Exit: (196) [system] get_char((0x55772f068e50), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x55772f068e50), _1801710)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1825148)
   Exit: (198) [system] peek_char((0x55772f068e50), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
   Call: (198) [system] (:)=(/)
   Fail: (198) [system] (:)=(/)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1841158)
   Exit: (197) [system] peek_char((0x55772f068e50), :)
   Call: (197) [system] (:)=')'
   Fail: (197) [system] (:)=')'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _1846728)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1848586)
   Exit: (199) [system] peek_char((0x55772f068e50), :)
   Call: (199) [system] (:)=(;)
   Fail: (199) [system] (:)=(;)
   Call: (199) [system] (:)=(/)
   Fail: (199) [system] (:)=(/)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Fail: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Fail: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
   Fail: (200) [system] char_type(:, cntrl)
^  Fail: (199) [user] is_like_space(:)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _1864596)
   Exit: (198) [system] get_char((0x55772f068e50), :)
   Call: (198) [system] (:)='('
   Fail: (198) [system] (:)='('
   Call: (198) [system] (:)='['
   Fail: (198) [system] (:)='['
   Call: (198) [system] (:)='{'
   Fail: (198) [system] (:)='{'
   Call: (198) [system] (:)='"'
   Fail: (198) [system] (:)='"'
   Call: (198) [system] (:)=!
   Fail: (198) [system] (:)=!
   Call: (198) [system] (:)='\''
   Fail: (198) [system] (:)='\''
   Call: (198) [system] (:)='`'
   Fail: (198) [system] (:)='`'
   Call: (198) [system] (:)=end_of_file
   Fail: (198) [system] (:)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x55772f068e50), :, _1846728)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1882238)
   Call: (200) [system] peek_char((0x55772f068e50), _1883172)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _1882238=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (199) [user] classify_and_convert_charseq([:], _1846728)
^  Call: (200) [user] classify_and_convert_charseq_([:], _1892456)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_1893408, _1893410), once(user:catch(read_from_chars([:], _1892456), _1893390, fail)), '$restore_trace'(_1893408, _1893410))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_1893408, _1893410))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1893390, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(:)
   Exit: (201) [system] atomic(:)
^  Exit: (200) [user] classify_and_convert_charseq_([:], :)
   Call: (200) [system] integer(:)
   Fail: (200) [system] integer(:)
   Call: (200) [system] _1846728=(:)
   Exit: (200) [system] (:)=(:)
^  Exit: (199) [user] classify_and_convert_charseq([:], :)
^  Exit: (198) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (197) [user] read_list(')', (0x55772f068e50), _1905536)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1907394)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _1916988)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1919692)
   Exit: (200) [system] peek_char((0x55772f068e50), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1936626)
   Exit: (198) [system] peek_char((0x55772f068e50), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _1942196)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1944054)
   Exit: (200) [system] peek_char((0x55772f068e50), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _1960064)
   Exit: (199) [system] get_char((0x55772f068e50), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x55772f068e50), _1942196)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1965634)
   Exit: (201) [system] peek_char((0x55772f068e50), 'C')
   Call: (201) [system] 'C'=(;)
   Fail: (201) [system] 'C'=(;)
   Call: (201) [system] 'C'=(/)
   Fail: (201) [system] 'C'=(/)
^  Call: (201) [user] is_like_space('C')
   Call: (202) [system] char_type('C', 'white')
   Fail: (202) [system] char_type('C', 'white')
   Call: (202) [system] char_type('C', end_of_line)
   Fail: (202) [system] char_type('C', end_of_line)
   Call: (202) [system] char_type('C', space)
   Fail: (202) [system] char_type('C', space)
   Call: (202) [system] char_type('C', cntrl)
   Fail: (202) [system] char_type('C', cntrl)
^  Fail: (201) [user] is_like_space('C')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1981644)
   Exit: (200) [system] peek_char((0x55772f068e50), 'C')
   Call: (200) [system] 'C'=')'
   Fail: (200) [system] 'C'=')'
   Call: (200) [system] 'C'=end_of_file
   Fail: (200) [system] 'C'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _1987214)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1989072)
   Exit: (202) [system] peek_char((0x55772f068e50), 'C')
   Call: (202) [system] 'C'=(;)
   Fail: (202) [system] 'C'=(;)
   Call: (202) [system] 'C'=(/)
   Fail: (202) [system] 'C'=(/)
^  Call: (202) [user] is_like_space('C')
   Call: (203) [system] char_type('C', 'white')
   Fail: (203) [system] char_type('C', 'white')
   Call: (203) [system] char_type('C', end_of_line)
   Fail: (203) [system] char_type('C', end_of_line)
   Call: (203) [system] char_type('C', space)
   Fail: (203) [system] char_type('C', space)
   Call: (203) [system] char_type('C', cntrl)
   Fail: (203) [system] char_type('C', cntrl)
^  Fail: (202) [user] is_like_space('C')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _2005082)
   Exit: (201) [system] get_char((0x55772f068e50), 'C')
   Call: (201) [system] 'C'='('
   Fail: (201) [system] 'C'='('
   Call: (201) [system] 'C'='['
   Fail: (201) [system] 'C'='['
   Call: (201) [system] 'C'='{'
   Fail: (201) [system] 'C'='{'
   Call: (201) [system] 'C'='"'
   Fail: (201) [system] 'C'='"'
   Call: (201) [system] 'C'=!
   Fail: (201) [system] 'C'=!
   Call: (201) [system] 'C'='\''
   Fail: (201) [system] 'C'='\''
   Call: (201) [system] 'C'='`'
   Fail: (201) [system] 'C'='`'
   Call: (201) [system] 'C'=end_of_file
   Fail: (201) [system] 'C'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), 'C', _1987214)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _2022724)
   Call: (203) [system] peek_char((0x55772f068e50), _2023658)
   Exit: (203) [system] peek_char((0x55772f068e50), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_2028378, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_2029310, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x55772f068e50), o)
   Exit: (203) [system] get_char((0x55772f068e50), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _2036660)
   Call: (204) [system] peek_char((0x55772f068e50), _2037594)
   Exit: (204) [system] peek_char((0x55772f068e50), n)
^  Call: (204) [user] is_delimiter(n)
   Call: (205) [system] char_type(n, space)
   Fail: (205) [system] char_type(n, space)
   Call: (205) [system] arg(_2042314, v('(', ')', end_of_file), n)
   Fail: (205) [system] arg(_2043246, v('(', ')', end_of_file), n)
^  Fail: (204) [user] is_delimiter(n)
   Call: (204) [system] ')'==n
   Fail: (204) [system] ')'==n
   Call: (204) [system] get_char((0x55772f068e50), n)
   Exit: (204) [system] get_char((0x55772f068e50), n)
   Call: (204) [system] n=(\)
   Fail: (204) [system] n=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _2050596)
   Call: (205) [system] peek_char((0x55772f068e50), _2051530)
   Exit: (205) [system] peek_char((0x55772f068e50), j)
^  Call: (205) [user] is_delimiter(j)
   Call: (206) [system] char_type(j, space)
   Fail: (206) [system] char_type(j, space)
   Call: (206) [system] arg(_2056250, v('(', ')', end_of_file), j)
   Fail: (206) [system] arg(_2057182, v('(', ')', end_of_file), j)
^  Fail: (205) [user] is_delimiter(j)
   Call: (205) [system] ')'==j
   Fail: (205) [system] ')'==j
   Call: (205) [system] get_char((0x55772f068e50), j)
   Exit: (205) [system] get_char((0x55772f068e50), j)
   Call: (205) [system] j=(\)
   Fail: (205) [system] j=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _2064532)
   Call: (206) [system] peek_char((0x55772f068e50), _2065466)
   Exit: (206) [system] peek_char((0x55772f068e50), u)
^  Call: (206) [user] is_delimiter(u)
   Call: (207) [system] char_type(u, space)
   Fail: (207) [system] char_type(u, space)
   Call: (207) [system] arg(_2070186, v('(', ')', end_of_file), u)
   Fail: (207) [system] arg(_2071118, v('(', ')', end_of_file), u)
^  Fail: (206) [user] is_delimiter(u)
   Call: (206) [system] ')'==u
   Fail: (206) [system] ')'==u
   Call: (206) [system] get_char((0x55772f068e50), u)
   Exit: (206) [system] get_char((0x55772f068e50), u)
   Call: (206) [system] u=(\)
   Fail: (206) [system] u=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _2078468)
   Call: (207) [system] peek_char((0x55772f068e50), _2079402)
   Exit: (207) [system] peek_char((0x55772f068e50), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_2084122, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_2085054, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x55772f068e50), n)
   Exit: (207) [system] get_char((0x55772f068e50), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _2092404)
   Call: (208) [system] peek_char((0x55772f068e50), _2093338)
   Exit: (208) [system] peek_char((0x55772f068e50), c)
^  Call: (208) [user] is_delimiter(c)
   Call: (209) [system] char_type(c, space)
   Fail: (209) [system] char_type(c, space)
   Call: (209) [system] arg(_5162, v('(', ')', end_of_file), c)
   Fail: (209) [system] arg(_6094, v('(', ')', end_of_file), c)
^  Fail: (208) [user] is_delimiter(c)
   Call: (208) [system] ')'==c
   Fail: (208) [system] ')'==c
   Call: (208) [system] get_char((0x55772f068e50), c)
   Exit: (208) [system] get_char((0x55772f068e50), c)
   Call: (208) [system] c=(\)
   Fail: (208) [system] c=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _13444)
   Call: (209) [system] peek_char((0x55772f068e50), _14378)
   Exit: (209) [system] peek_char((0x55772f068e50), t)
^  Call: (209) [user] is_delimiter(t)
   Call: (210) [system] char_type(t, space)
   Fail: (210) [system] char_type(t, space)
   Call: (210) [system] arg(_19098, v('(', ')', end_of_file), t)
   Fail: (210) [system] arg(_20030, v('(', ')', end_of_file), t)
^  Fail: (209) [user] is_delimiter(t)
   Call: (209) [system] ')'==t
   Fail: (209) [system] ')'==t
   Call: (209) [system] get_char((0x55772f068e50), t)
   Exit: (209) [system] get_char((0x55772f068e50), t)
   Call: (209) [system] t=(\)
   Fail: (209) [system] t=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _27380)
   Call: (210) [system] peek_char((0x55772f068e50), _28314)
   Exit: (210) [system] peek_char((0x55772f068e50), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_33034, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_33966, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x55772f068e50), i)
   Exit: (210) [system] get_char((0x55772f068e50), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _41316)
   Call: (211) [system] peek_char((0x55772f068e50), _42250)
   Exit: (211) [system] peek_char((0x55772f068e50), o)
^  Call: (211) [user] is_delimiter(o)
   Call: (212) [system] char_type(o, space)
   Fail: (212) [system] char_type(o, space)
   Call: (212) [system] arg(_46970, v('(', ')', end_of_file), o)
   Fail: (212) [system] arg(_47902, v('(', ')', end_of_file), o)
^  Fail: (211) [user] is_delimiter(o)
   Call: (211) [system] ')'==o
   Fail: (211) [system] ')'==o
   Call: (211) [system] get_char((0x55772f068e50), o)
   Exit: (211) [system] get_char((0x55772f068e50), o)
   Call: (211) [system] o=(\)
   Fail: (211) [system] o=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _55252)
   Call: (212) [system] peek_char((0x55772f068e50), _56186)
   Exit: (212) [system] peek_char((0x55772f068e50), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_60906, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_61838, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x55772f068e50), n)
   Exit: (212) [system] get_char((0x55772f068e50), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _69188)
   Call: (213) [system] peek_char((0x55772f068e50), _70122)
   Exit: (213) [system] peek_char((0x55772f068e50), 'I')
^  Call: (213) [user] is_delimiter('I')
   Call: (214) [system] char_type('I', space)
   Fail: (214) [system] char_type('I', space)
   Call: (214) [system] arg(_74842, v('(', ')', end_of_file), 'I')
   Fail: (214) [system] arg(_75774, v('(', ')', end_of_file), 'I')
^  Fail: (213) [user] is_delimiter('I')
   Call: (213) [system] ')'=='I'
   Fail: (213) [system] ')'=='I'
   Call: (213) [system] get_char((0x55772f068e50), 'I')
   Exit: (213) [system] get_char((0x55772f068e50), 'I')
   Call: (213) [system] 'I'=(\)
   Fail: (213) [system] 'I'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _83124)
   Call: (214) [system] peek_char((0x55772f068e50), _84058)
   Exit: (214) [system] peek_char((0x55772f068e50), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_88778, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_89710, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x55772f068e50), n)
   Exit: (214) [system] get_char((0x55772f068e50), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _97060)
   Call: (215) [system] peek_char((0x55772f068e50), _97994)
   Exit: (215) [system] peek_char((0x55772f068e50), t)
^  Call: (215) [user] is_delimiter(t)
   Call: (216) [system] char_type(t, space)
   Fail: (216) [system] char_type(t, space)
   Call: (216) [system] arg(_102714, v('(', ')', end_of_file), t)
   Fail: (216) [system] arg(_103646, v('(', ')', end_of_file), t)
^  Fail: (215) [user] is_delimiter(t)
   Call: (215) [system] ')'==t
   Fail: (215) [system] ')'==t
   Call: (215) [system] get_char((0x55772f068e50), t)
   Exit: (215) [system] get_char((0x55772f068e50), t)
   Call: (215) [system] t=(\)
   Fail: (215) [system] t=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _110996)
   Call: (216) [system] peek_char((0x55772f068e50), _111930)
   Exit: (216) [system] peek_char((0x55772f068e50), r)
^  Call: (216) [user] is_delimiter(r)
   Call: (217) [system] char_type(r, space)
   Fail: (217) [system] char_type(r, space)
   Call: (217) [system] arg(_116650, v('(', ')', end_of_file), r)
   Fail: (217) [system] arg(_117582, v('(', ')', end_of_file), r)
^  Fail: (216) [user] is_delimiter(r)
   Call: (216) [system] ')'==r
   Fail: (216) [system] ')'==r
   Call: (216) [system] get_char((0x55772f068e50), r)
   Exit: (216) [system] get_char((0x55772f068e50), r)
   Call: (216) [system] r=(\)
   Fail: (216) [system] r=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _124932)
   Call: (217) [system] peek_char((0x55772f068e50), _125866)
   Exit: (217) [system] peek_char((0x55772f068e50), o)
^  Call: (217) [user] is_delimiter(o)
   Call: (218) [system] char_type(o, space)
   Fail: (218) [system] char_type(o, space)
   Call: (218) [system] arg(_130586, v('(', ')', end_of_file), o)
   Fail: (218) [system] arg(_131518, v('(', ')', end_of_file), o)
^  Fail: (217) [user] is_delimiter(o)
   Call: (217) [system] ')'==o
   Fail: (217) [system] ')'==o
   Call: (217) [system] get_char((0x55772f068e50), o)
   Exit: (217) [system] get_char((0x55772f068e50), o)
   Call: (217) [system] o=(\)
   Fail: (217) [system] o=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _138868)
   Call: (218) [system] peek_char((0x55772f068e50), _139802)
   Exit: (218) [system] peek_char((0x55772f068e50), d)
^  Call: (218) [user] is_delimiter(d)
   Call: (219) [system] char_type(d, space)
   Fail: (219) [system] char_type(d, space)
   Call: (219) [system] arg(_144522, v('(', ')', end_of_file), d)
   Fail: (219) [system] arg(_145454, v('(', ')', end_of_file), d)
^  Fail: (218) [user] is_delimiter(d)
   Call: (218) [system] ')'==d
   Fail: (218) [system] ')'==d
   Call: (218) [system] get_char((0x55772f068e50), d)
   Exit: (218) [system] get_char((0x55772f068e50), d)
   Call: (218) [system] d=(\)
   Fail: (218) [system] d=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _152804)
   Call: (219) [system] peek_char((0x55772f068e50), _153738)
   Exit: (219) [system] peek_char((0x55772f068e50), u)
^  Call: (219) [user] is_delimiter(u)
   Call: (220) [system] char_type(u, space)
   Fail: (220) [system] char_type(u, space)
   Call: (220) [system] arg(_158458, v('(', ')', end_of_file), u)
   Fail: (220) [system] arg(_159390, v('(', ')', end_of_file), u)
^  Fail: (219) [user] is_delimiter(u)
   Call: (219) [system] ')'==u
   Fail: (219) [system] ')'==u
   Call: (219) [system] get_char((0x55772f068e50), u)
   Exit: (219) [system] get_char((0x55772f068e50), u)
   Call: (219) [system] u=(\)
   Fail: (219) [system] u=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _166740)
   Call: (220) [system] peek_char((0x55772f068e50), _167674)
   Exit: (220) [system] peek_char((0x55772f068e50), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_172394, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_173326, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x55772f068e50), c)
   Exit: (220) [system] get_char((0x55772f068e50), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _180676)
   Call: (221) [system] peek_char((0x55772f068e50), _181610)
   Exit: (221) [system] peek_char((0x55772f068e50), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_186330, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_187262, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x55772f068e50), t)
   Exit: (221) [system] get_char((0x55772f068e50), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _194612)
   Call: (222) [system] peek_char((0x55772f068e50), _195546)
   Exit: (222) [system] peek_char((0x55772f068e50), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_200266, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_201198, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x55772f068e50), i)
   Exit: (222) [system] get_char((0x55772f068e50), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _208548)
   Call: (223) [system] peek_char((0x55772f068e50), _209482)
   Exit: (223) [system] peek_char((0x55772f068e50), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_214202, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_215134, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x55772f068e50), o)
   Exit: (223) [system] get_char((0x55772f068e50), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _222484)
   Call: (224) [system] peek_char((0x55772f068e50), _223418)
   Exit: (224) [system] peek_char((0x55772f068e50), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_228138, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_229070, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x55772f068e50), n)
   Exit: (224) [system] get_char((0x55772f068e50), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _236420)
   Call: (225) [system] peek_char((0x55772f068e50), _237354)
   Exit: (225) [system] peek_char((0x55772f068e50), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _236420=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (224) [system] _222484=[n]
   Exit: (224) [system] [n]=[n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (223) [system] _208548=[o, n]
   Exit: (223) [system] [o, n]=[o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (222) [system] _194612=[i, o, n]
   Exit: (222) [system] [i, o, n]=[i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (221) [system] _180676=[t, i, o, n]
   Exit: (221) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (220) [system] _166740=[c, t, i, o, n]
   Exit: (220) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (219) [system] _152804=[u, c, t, i, o, n]
   Exit: (219) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (218) [system] _138868=[d, u, c, t, i, o, n]
   Exit: (218) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (217) [system] _124932=[o, d, u, c, t, i, o, n]
   Exit: (217) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (216) [system] _110996=[r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _97060=[t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _83124=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _69188=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _55252=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _41316=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _27380=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _13444=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _3796=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _3792=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _3788=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _3784=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (204) [system] _3780=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (204) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (203) [system] _3776=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (203) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (202) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _3772)
^  Call: (203) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _308106)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_309058, _309060), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _308106), _309040, fail)), '$restore_trace'(_309058, _309060))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_309058, _309060))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _308106), _309040, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_308106)
   Fail: (204) [system] atomic(_308106)
   Call: (204) [system] atom_chars(_308106, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (204) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (203) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (203) [system] integer('ConjunctionIntroduction')
   Fail: (203) [system] integer('ConjunctionIntroduction')
   Call: (203) [system] _3772='ConjunctionIntroduction'
   Exit: (203) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (202) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), 'C', 'ConjunctionIntroduction')
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), 'ConjunctionIntroduction')
^  Call: (200) [user] read_list(')', (0x55772f068e50), _323056)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _324914)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _334508)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _337212)
   Exit: (203) [system] peek_char((0x55772f068e50), a)
   Call: (203) [system] a=(;)
   Fail: (203) [system] a=(;)
   Call: (203) [system] a=(/)
   Fail: (203) [system] a=(/)
^  Call: (203) [user] is_like_space(a)
   Call: (204) [system] char_type(a, 'white')
   Fail: (204) [system] char_type(a, 'white')
   Call: (204) [system] char_type(a, end_of_line)
   Fail: (204) [system] char_type(a, end_of_line)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] char_type(a, cntrl)
   Fail: (204) [system] char_type(a, cntrl)
^  Fail: (203) [user] is_like_space(a)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _354146)
   Exit: (201) [system] peek_char((0x55772f068e50), a)
   Call: (201) [system] a=')'
   Fail: (201) [system] a=')'
   Call: (201) [system] a=end_of_file
   Fail: (201) [system] a=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _359716)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _361574)
   Exit: (203) [system] peek_char((0x55772f068e50), a)
   Call: (203) [system] a=(;)
   Fail: (203) [system] a=(;)
   Call: (203) [system] a=(/)
   Fail: (203) [system] a=(/)
^  Call: (203) [user] is_like_space(a)
   Call: (204) [system] char_type(a, 'white')
   Fail: (204) [system] char_type(a, 'white')
   Call: (204) [system] char_type(a, end_of_line)
   Fail: (204) [system] char_type(a, end_of_line)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] char_type(a, cntrl)
   Fail: (204) [system] char_type(a, cntrl)
^  Fail: (203) [user] is_like_space(a)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _377584)
   Exit: (202) [system] get_char((0x55772f068e50), a)
   Call: (202) [system] a='('
   Fail: (202) [system] a='('
   Call: (202) [system] a='['
   Fail: (202) [system] a='['
   Call: (202) [system] a='{'
   Fail: (202) [system] a='{'
   Call: (202) [system] a='"'
   Fail: (202) [system] a='"'
   Call: (202) [system] a=!
   Fail: (202) [system] a=!
   Call: (202) [system] a='\''
   Fail: (202) [system] a='\''
   Call: (202) [system] a='`'
   Fail: (202) [system] a='`'
   Call: (202) [system] a=end_of_file
   Fail: (202) [system] a=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), a, _359716)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _395226)
   Call: (204) [system] peek_char((0x55772f068e50), _396160)
   Exit: (204) [system] peek_char((0x55772f068e50), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Fail: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_400880, v('(', ')', end_of_file), b)
   Fail: (205) [system] arg(_401812, v('(', ')', end_of_file), b)
^  Fail: (204) [user] is_delimiter(b)
   Call: (204) [system] ')'==b
   Fail: (204) [system] ')'==b
   Call: (204) [system] get_char((0x55772f068e50), b)
   Exit: (204) [system] get_char((0x55772f068e50), b)
   Call: (204) [system] b=(\)
   Fail: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _409162)
   Call: (205) [system] peek_char((0x55772f068e50), _410096)
   Exit: (205) [system] peek_char((0x55772f068e50), c)
^  Call: (205) [user] is_delimiter(c)
   Call: (206) [system] char_type(c, space)
   Fail: (206) [system] char_type(c, space)
   Call: (206) [system] arg(_414816, v('(', ')', end_of_file), c)
   Fail: (206) [system] arg(_415748, v('(', ')', end_of_file), c)
^  Fail: (205) [user] is_delimiter(c)
   Call: (205) [system] ')'==c
   Fail: (205) [system] ')'==c
   Call: (205) [system] get_char((0x55772f068e50), c)
   Exit: (205) [system] get_char((0x55772f068e50), c)
   Call: (205) [system] c=(\)
   Fail: (205) [system] c=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _423098)
   Call: (206) [system] peek_char((0x55772f068e50), _424032)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _423098=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (205) [system] _409162=[c]
   Exit: (205) [system] [c]=[c]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (204) [system] _395226=[b, c]
   Exit: (204) [system] [b, c]=[b, c]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (203) [user] classify_and_convert_charseq([a, b, c], _359716)
^  Call: (204) [user] classify_and_convert_charseq_([a, b, c], _438904)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_439856, _439858), once(user:catch(read_from_chars([a, b, c], _438904), _439838, fail)), '$restore_trace'(_439856, _439858))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_439856, _439858))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _439838, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(abc)
   Exit: (205) [system] atomic(abc)
^  Exit: (204) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (204) [system] integer(abc)
   Fail: (204) [system] integer(abc)
   Call: (204) [system] _359716=abc
   Exit: (204) [system] abc=abc
^  Exit: (203) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (201) [user] read_list(')', (0x55772f068e50), _451984)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _453842)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _463436)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _466140)
   Exit: (204) [system] peek_char((0x55772f068e50), c)
   Call: (204) [system] c=(;)
   Fail: (204) [system] c=(;)
   Call: (204) [system] c=(/)
   Fail: (204) [system] c=(/)
^  Call: (204) [user] is_like_space(c)
   Call: (205) [system] char_type(c, 'white')
   Fail: (205) [system] char_type(c, 'white')
   Call: (205) [system] char_type(c, end_of_line)
   Fail: (205) [system] char_type(c, end_of_line)
   Call: (205) [system] char_type(c, space)
   Fail: (205) [system] char_type(c, space)
   Call: (205) [system] char_type(c, cntrl)
   Fail: (205) [system] char_type(c, cntrl)
^  Fail: (204) [user] is_like_space(c)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _483074)
   Exit: (202) [system] peek_char((0x55772f068e50), c)
   Call: (202) [system] c=')'
   Fail: (202) [system] c=')'
   Call: (202) [system] c=end_of_file
   Fail: (202) [system] c=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x55772f068e50), _488644)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _490502)
   Exit: (204) [system] peek_char((0x55772f068e50), c)
   Call: (204) [system] c=(;)
   Fail: (204) [system] c=(;)
   Call: (204) [system] c=(/)
   Fail: (204) [system] c=(/)
^  Call: (204) [user] is_like_space(c)
   Call: (205) [system] char_type(c, 'white')
   Fail: (205) [system] char_type(c, 'white')
   Call: (205) [system] char_type(c, end_of_line)
   Fail: (205) [system] char_type(c, end_of_line)
   Call: (205) [system] char_type(c, space)
   Fail: (205) [system] char_type(c, space)
   Call: (205) [system] char_type(c, cntrl)
   Fail: (205) [system] char_type(c, cntrl)
^  Fail: (204) [user] is_like_space(c)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] get_char((0x55772f068e50), _506512)
   Exit: (203) [system] get_char((0x55772f068e50), c)
   Call: (203) [system] c='('
   Fail: (203) [system] c='('
   Call: (203) [system] c='['
   Fail: (203) [system] c='['
   Call: (203) [system] c='{'
   Fail: (203) [system] c='{'
   Call: (203) [system] c='"'
   Fail: (203) [system] c='"'
   Call: (203) [system] c=!
   Fail: (203) [system] c=!
   Call: (203) [system] c='\''
   Fail: (203) [system] c='\''
   Call: (203) [system] c='`'
   Fail: (203) [system] c='`'
   Call: (203) [system] c=end_of_file
   Fail: (203) [system] c=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x55772f068e50), c, _488644)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _524154)
   Call: (205) [system] peek_char((0x55772f068e50), _525088)
   Exit: (205) [system] peek_char((0x55772f068e50), d)
^  Call: (205) [user] is_delimiter(d)
   Call: (206) [system] char_type(d, space)
   Fail: (206) [system] char_type(d, space)
   Call: (206) [system] arg(_529808, v('(', ')', end_of_file), d)
   Fail: (206) [system] arg(_530740, v('(', ')', end_of_file), d)
^  Fail: (205) [user] is_delimiter(d)
   Call: (205) [system] ')'==d
   Fail: (205) [system] ')'==d
   Call: (205) [system] get_char((0x55772f068e50), d)
   Exit: (205) [system] get_char((0x55772f068e50), d)
   Call: (205) [system] d=(\)
   Fail: (205) [system] d=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _538090)
   Call: (206) [system] peek_char((0x55772f068e50), _539024)
   Exit: (206) [system] peek_char((0x55772f068e50), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_543744, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_544676, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x55772f068e50), e)
   Exit: (206) [system] get_char((0x55772f068e50), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _552026)
   Call: (207) [system] peek_char((0x55772f068e50), _552960)
   Exit: (207) [system] peek_char((0x55772f068e50), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_557680, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _552026=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (206) [system] _538090=[e]
   Exit: (206) [system] [e]=[e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (205) [system] _524154=[d, e]
   Exit: (205) [system] [d, e]=[d, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [d, e])
^  Call: (204) [user] classify_and_convert_charseq([c, d, e], _488644)
^  Call: (205) [user] classify_and_convert_charseq_([c, d, e], _569704)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_570656, _570658), once(user:catch(read_from_chars([c, d, e], _569704), _570638, fail)), '$restore_trace'(_570656, _570658))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_570656, _570658))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _570638, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(cde)
   Exit: (206) [system] atomic(cde)
^  Exit: (205) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (205) [system] integer(cde)
   Fail: (205) [system] integer(cde)
   Call: (205) [system] _488644=cde
   Exit: (205) [system] cde=cde
^  Exit: (204) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (203) [user] read_symbolic(')', (0x55772f068e50), c, cde)
^  Exit: (202) [user] cont_sexpr(')', (0x55772f068e50), cde)
^  Call: (202) [user] read_list(')', (0x55772f068e50), _582784)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _584642)
   Exit: (204) [system] peek_char((0x55772f068e50), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _600652)
   Exit: (203) [system] peek_char((0x55772f068e50), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x55772f068e50), _604442)
   Exit: (203) [system] get_char((0x55772f068e50), ')')
   Call: (203) [system] _582784=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x55772f068e50), [])
   Call: (202) [system] _451984=[cde]
   Exit: (202) [system] [cde]=[cde]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [cde])
   Call: (201) [system] _323056=[abc, cde]
   Exit: (201) [system] [abc, cde]=[abc, cde]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [abc, cde])
   Call: (200) [system] _3766=['ConjunctionIntroduction', abc, cde]
   Exit: (200) [system] ['ConjunctionIntroduction', abc, cde]=['ConjunctionIntroduction', abc, cde]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), ['ConjunctionIntroduction', abc, cde])
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), ['ConjunctionIntroduction', abc, cde])
^  Call: (198) [user] read_list(')', (0x55772f068e50), _618324)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _620182)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _629776)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _632480)
   Exit: (201) [system] peek_char((0x55772f068e50), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _649414)
   Exit: (199) [system] peek_char((0x55772f068e50), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _654984)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _656842)
   Exit: (201) [system] peek_char((0x55772f068e50), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _672852)
   Exit: (200) [system] get_char((0x55772f068e50), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x55772f068e50), _654984)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _678422)
   Exit: (202) [system] peek_char((0x55772f068e50), 'A')
   Call: (202) [system] 'A'=(;)
   Fail: (202) [system] 'A'=(;)
   Call: (202) [system] 'A'=(/)
   Fail: (202) [system] 'A'=(/)
^  Call: (202) [user] is_like_space('A')
   Call: (203) [system] char_type('A', 'white')
   Fail: (203) [system] char_type('A', 'white')
   Call: (203) [system] char_type('A', end_of_line)
   Fail: (203) [system] char_type('A', end_of_line)
   Call: (203) [system] char_type('A', space)
   Fail: (203) [system] char_type('A', space)
   Call: (203) [system] char_type('A', cntrl)
   Fail: (203) [system] char_type('A', cntrl)
^  Fail: (202) [user] is_like_space('A')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _694432)
   Exit: (201) [system] peek_char((0x55772f068e50), 'A')
   Call: (201) [system] 'A'=')'
   Fail: (201) [system] 'A'=')'
   Call: (201) [system] 'A'=end_of_file
   Fail: (201) [system] 'A'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _700002)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _701860)
   Exit: (203) [system] peek_char((0x55772f068e50), 'A')
   Call: (203) [system] 'A'=(;)
   Fail: (203) [system] 'A'=(;)
   Call: (203) [system] 'A'=(/)
   Fail: (203) [system] 'A'=(/)
^  Call: (203) [user] is_like_space('A')
   Call: (204) [system] char_type('A', 'white')
   Fail: (204) [system] char_type('A', 'white')
   Call: (204) [system] char_type('A', end_of_line)
   Fail: (204) [system] char_type('A', end_of_line)
   Call: (204) [system] char_type('A', space)
   Fail: (204) [system] char_type('A', space)
   Call: (204) [system] char_type('A', cntrl)
   Fail: (204) [system] char_type('A', cntrl)
^  Fail: (203) [user] is_like_space('A')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _717870)
   Exit: (202) [system] get_char((0x55772f068e50), 'A')
   Call: (202) [system] 'A'='('
   Fail: (202) [system] 'A'='('
   Call: (202) [system] 'A'='['
   Fail: (202) [system] 'A'='['
   Call: (202) [system] 'A'='{'
   Fail: (202) [system] 'A'='{'
   Call: (202) [system] 'A'='"'
   Fail: (202) [system] 'A'='"'
   Call: (202) [system] 'A'=!
   Fail: (202) [system] 'A'=!
   Call: (202) [system] 'A'='\''
   Fail: (202) [system] 'A'='\''
   Call: (202) [system] 'A'='`'
   Fail: (202) [system] 'A'='`'
   Call: (202) [system] 'A'=end_of_file
   Fail: (202) [system] 'A'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), 'A', _700002)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _735512)
   Call: (204) [system] peek_char((0x55772f068e50), _736446)
   Exit: (204) [system] peek_char((0x55772f068e50), n)
^  Call: (204) [user] is_delimiter(n)
   Call: (205) [system] char_type(n, space)
   Fail: (205) [system] char_type(n, space)
   Call: (205) [system] arg(_741166, v('(', ')', end_of_file), n)
   Fail: (205) [system] arg(_742098, v('(', ')', end_of_file), n)
^  Fail: (204) [user] is_delimiter(n)
   Call: (204) [system] ')'==n
   Fail: (204) [system] ')'==n
   Call: (204) [system] get_char((0x55772f068e50), n)
   Exit: (204) [system] get_char((0x55772f068e50), n)
   Call: (204) [system] n=(\)
   Fail: (204) [system] n=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _749448)
   Call: (205) [system] peek_char((0x55772f068e50), _750382)
   Exit: (205) [system] peek_char((0x55772f068e50), d)
^  Call: (205) [user] is_delimiter(d)
   Call: (206) [system] char_type(d, space)
   Fail: (206) [system] char_type(d, space)
   Call: (206) [system] arg(_755102, v('(', ')', end_of_file), d)
   Fail: (206) [system] arg(_756034, v('(', ')', end_of_file), d)
^  Fail: (205) [user] is_delimiter(d)
   Call: (205) [system] ')'==d
   Fail: (205) [system] ')'==d
   Call: (205) [system] get_char((0x55772f068e50), d)
   Exit: (205) [system] get_char((0x55772f068e50), d)
   Call: (205) [system] d=(\)
   Fail: (205) [system] d=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _763384)
   Call: (206) [system] peek_char((0x55772f068e50), _764318)
   Exit: (206) [system] peek_char((0x55772f068e50), 'L')
^  Call: (206) [user] is_delimiter('L')
   Call: (207) [system] char_type('L', space)
   Fail: (207) [system] char_type('L', space)
   Call: (207) [system] arg(_769038, v('(', ')', end_of_file), 'L')
   Fail: (207) [system] arg(_769970, v('(', ')', end_of_file), 'L')
^  Fail: (206) [user] is_delimiter('L')
   Call: (206) [system] ')'=='L'
   Fail: (206) [system] ')'=='L'
   Call: (206) [system] get_char((0x55772f068e50), 'L')
   Exit: (206) [system] get_char((0x55772f068e50), 'L')
   Call: (206) [system] 'L'=(\)
   Fail: (206) [system] 'L'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _777320)
   Call: (207) [system] peek_char((0x55772f068e50), _778254)
   Exit: (207) [system] peek_char((0x55772f068e50), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_782974, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_783906, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x55772f068e50), i)
   Exit: (207) [system] get_char((0x55772f068e50), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _791256)
   Call: (208) [system] peek_char((0x55772f068e50), _792190)
   Exit: (208) [system] peek_char((0x55772f068e50), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_796910, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_797842, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x55772f068e50), n)
   Exit: (208) [system] get_char((0x55772f068e50), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _805192)
   Call: (209) [system] peek_char((0x55772f068e50), _806126)
   Exit: (209) [system] peek_char((0x55772f068e50), k)
^  Call: (209) [user] is_delimiter(k)
   Call: (210) [system] char_type(k, space)
   Fail: (210) [system] char_type(k, space)
   Call: (210) [system] arg(_810846, v('(', ')', end_of_file), k)
   Fail: (210) [system] arg(_811778, v('(', ')', end_of_file), k)
^  Fail: (209) [user] is_delimiter(k)
   Call: (209) [system] ')'==k
   Fail: (209) [system] ')'==k
   Call: (209) [system] get_char((0x55772f068e50), k)
   Exit: (209) [system] get_char((0x55772f068e50), k)
   Call: (209) [system] k=(\)
   Fail: (209) [system] k=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _819128)
   Call: (210) [system] peek_char((0x55772f068e50), _820062)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _819128=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (209) [system] _805192=[k]
   Exit: (209) [system] [k]=[k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (208) [system] _791256=[n, k]
   Exit: (208) [system] [n, k]=[n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (207) [system] _777320=[i, n, k]
   Exit: (207) [system] [i, n, k]=[i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (206) [system] _763384=['L', i, n, k]
   Exit: (206) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (205) [system] _749448=[d, 'L', i, n, k]
   Exit: (205) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (204) [system] _735512=[n, d, 'L', i, n, k]
   Exit: (204) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (203) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _700002)
^  Call: (204) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _846110)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_847062, _847064), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _846110), _847044, fail)), '$restore_trace'(_847062, _847064))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_847062, _847064))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _846110), _847044, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_846110)
   Fail: (205) [system] atomic(_846110)
   Call: (205) [system] atom_chars(_846110, ['A', n, d, 'L', i, n, k])
   Exit: (205) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (204) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (204) [system] integer('AndLink')
   Fail: (204) [system] integer('AndLink')
   Call: (204) [system] _700002='AndLink'
   Exit: (204) [system] 'AndLink'='AndLink'
^  Exit: (203) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (201) [user] read_list(')', (0x55772f068e50), _861060)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _862918)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _872512)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _875216)
   Exit: (204) [system] peek_char((0x55772f068e50), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _892150)
   Exit: (202) [system] peek_char((0x55772f068e50), '(')
   Call: (202) [system] '('=')'
   Fail: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
   Fail: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x55772f068e50), _897720)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _899578)
   Exit: (204) [system] peek_char((0x55772f068e50), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] get_char((0x55772f068e50), _915588)
   Exit: (203) [system] get_char((0x55772f068e50), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x55772f068e50), _897720)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _921158)
   Exit: (205) [system] peek_char((0x55772f068e50), 'I')
   Call: (205) [system] 'I'=(;)
   Fail: (205) [system] 'I'=(;)
   Call: (205) [system] 'I'=(/)
   Fail: (205) [system] 'I'=(/)
^  Call: (205) [user] is_like_space('I')
   Call: (206) [system] char_type('I', 'white')
   Fail: (206) [system] char_type('I', 'white')
   Call: (206) [system] char_type('I', end_of_line)
   Fail: (206) [system] char_type('I', end_of_line)
   Call: (206) [system] char_type('I', space)
   Fail: (206) [system] char_type('I', space)
   Call: (206) [system] char_type('I', cntrl)
   Fail: (206) [system] char_type('I', cntrl)
^  Fail: (205) [user] is_like_space('I')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _937168)
   Exit: (204) [system] peek_char((0x55772f068e50), 'I')
   Call: (204) [system] 'I'=')'
   Fail: (204) [system] 'I'=')'
   Call: (204) [system] 'I'=end_of_file
   Fail: (204) [system] 'I'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x55772f068e50), _942738)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _944596)
   Exit: (206) [system] peek_char((0x55772f068e50), 'I')
   Call: (206) [system] 'I'=(;)
   Fail: (206) [system] 'I'=(;)
   Call: (206) [system] 'I'=(/)
   Fail: (206) [system] 'I'=(/)
^  Call: (206) [user] is_like_space('I')
   Call: (207) [system] char_type('I', 'white')
   Fail: (207) [system] char_type('I', 'white')
   Call: (207) [system] char_type('I', end_of_line)
   Fail: (207) [system] char_type('I', end_of_line)
   Call: (207) [system] char_type('I', space)
   Fail: (207) [system] char_type('I', space)
   Call: (207) [system] char_type('I', cntrl)
   Fail: (207) [system] char_type('I', cntrl)
^  Fail: (206) [user] is_like_space('I')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] get_char((0x55772f068e50), _960606)
   Exit: (205) [system] get_char((0x55772f068e50), 'I')
   Call: (205) [system] 'I'='('
   Fail: (205) [system] 'I'='('
   Call: (205) [system] 'I'='['
   Fail: (205) [system] 'I'='['
   Call: (205) [system] 'I'='{'
   Fail: (205) [system] 'I'='{'
   Call: (205) [system] 'I'='"'
   Fail: (205) [system] 'I'='"'
   Call: (205) [system] 'I'=!
   Fail: (205) [system] 'I'=!
   Call: (205) [system] 'I'='\''
   Fail: (205) [system] 'I'='\''
   Call: (205) [system] 'I'='`'
   Fail: (205) [system] 'I'='`'
   Call: (205) [system] 'I'=end_of_file
   Fail: (205) [system] 'I'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x55772f068e50), 'I', _942738)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _978248)
   Call: (207) [system] peek_char((0x55772f068e50), _979182)
   Exit: (207) [system] peek_char((0x55772f068e50), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_983902, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_984834, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x55772f068e50), m)
   Exit: (207) [system] get_char((0x55772f068e50), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _992184)
   Call: (208) [system] peek_char((0x55772f068e50), _993118)
   Exit: (208) [system] peek_char((0x55772f068e50), p)
^  Call: (208) [user] is_delimiter(p)
   Call: (209) [system] char_type(p, space)
   Fail: (209) [system] char_type(p, space)
   Call: (209) [system] arg(_997838, v('(', ')', end_of_file), p)
   Fail: (209) [system] arg(_998770, v('(', ')', end_of_file), p)
^  Fail: (208) [user] is_delimiter(p)
   Call: (208) [system] ')'==p
   Fail: (208) [system] ')'==p
   Call: (208) [system] get_char((0x55772f068e50), p)
   Exit: (208) [system] get_char((0x55772f068e50), p)
   Call: (208) [system] p=(\)
   Fail: (208) [system] p=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1006120)
   Call: (209) [system] peek_char((0x55772f068e50), _1007054)
   Exit: (209) [system] peek_char((0x55772f068e50), l)
^  Call: (209) [user] is_delimiter(l)
   Call: (210) [system] char_type(l, space)
   Fail: (210) [system] char_type(l, space)
   Call: (210) [system] arg(_1011774, v('(', ')', end_of_file), l)
   Fail: (210) [system] arg(_1012706, v('(', ')', end_of_file), l)
^  Fail: (209) [user] is_delimiter(l)
   Call: (209) [system] ')'==l
   Fail: (209) [system] ')'==l
   Call: (209) [system] get_char((0x55772f068e50), l)
   Exit: (209) [system] get_char((0x55772f068e50), l)
   Call: (209) [system] l=(\)
   Fail: (209) [system] l=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1020056)
   Call: (210) [system] peek_char((0x55772f068e50), _1020990)
   Exit: (210) [system] peek_char((0x55772f068e50), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_1025710, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_1026642, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x55772f068e50), i)
   Exit: (210) [system] get_char((0x55772f068e50), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1033992)
   Call: (211) [system] peek_char((0x55772f068e50), _1034926)
   Exit: (211) [system] peek_char((0x55772f068e50), c)
^  Call: (211) [user] is_delimiter(c)
   Call: (212) [system] char_type(c, space)
   Fail: (212) [system] char_type(c, space)
   Call: (212) [system] arg(_1039646, v('(', ')', end_of_file), c)
   Fail: (212) [system] arg(_1040578, v('(', ')', end_of_file), c)
^  Fail: (211) [user] is_delimiter(c)
   Call: (211) [system] ')'==c
   Fail: (211) [system] ')'==c
   Call: (211) [system] get_char((0x55772f068e50), c)
   Exit: (211) [system] get_char((0x55772f068e50), c)
   Call: (211) [system] c=(\)
   Fail: (211) [system] c=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1047928)
   Call: (212) [system] peek_char((0x55772f068e50), _1048862)
   Exit: (212) [system] peek_char((0x55772f068e50), a)
^  Call: (212) [user] is_delimiter(a)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] arg(_1053582, v('(', ')', end_of_file), a)
   Fail: (213) [system] arg(_1054514, v('(', ')', end_of_file), a)
^  Fail: (212) [user] is_delimiter(a)
   Call: (212) [system] ')'==a
   Fail: (212) [system] ')'==a
   Call: (212) [system] get_char((0x55772f068e50), a)
   Exit: (212) [system] get_char((0x55772f068e50), a)
   Call: (212) [system] a=(\)
   Fail: (212) [system] a=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1061864)
   Call: (213) [system] peek_char((0x55772f068e50), _1062798)
   Exit: (213) [system] peek_char((0x55772f068e50), t)
^  Call: (213) [user] is_delimiter(t)
   Call: (214) [system] char_type(t, space)
   Fail: (214) [system] char_type(t, space)
   Call: (214) [system] arg(_1067518, v('(', ')', end_of_file), t)
   Fail: (214) [system] arg(_1068450, v('(', ')', end_of_file), t)
^  Fail: (213) [user] is_delimiter(t)
   Call: (213) [system] ')'==t
   Fail: (213) [system] ')'==t
   Call: (213) [system] get_char((0x55772f068e50), t)
   Exit: (213) [system] get_char((0x55772f068e50), t)
   Call: (213) [system] t=(\)
   Fail: (213) [system] t=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1075800)
   Call: (214) [system] peek_char((0x55772f068e50), _1076734)
   Exit: (214) [system] peek_char((0x55772f068e50), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_1081454, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_1082386, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x55772f068e50), i)
   Exit: (214) [system] get_char((0x55772f068e50), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1089736)
   Call: (215) [system] peek_char((0x55772f068e50), _1090670)
   Exit: (215) [system] peek_char((0x55772f068e50), o)
^  Call: (215) [user] is_delimiter(o)
   Call: (216) [system] char_type(o, space)
   Fail: (216) [system] char_type(o, space)
   Call: (216) [system] arg(_1095390, v('(', ')', end_of_file), o)
   Fail: (216) [system] arg(_1096322, v('(', ')', end_of_file), o)
^  Fail: (215) [user] is_delimiter(o)
   Call: (215) [system] ')'==o
   Fail: (215) [system] ')'==o
   Call: (215) [system] get_char((0x55772f068e50), o)
   Exit: (215) [system] get_char((0x55772f068e50), o)
   Call: (215) [system] o=(\)
   Fail: (215) [system] o=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1103672)
   Call: (216) [system] peek_char((0x55772f068e50), _1104606)
   Exit: (216) [system] peek_char((0x55772f068e50), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1109326, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_1110258, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x55772f068e50), n)
   Exit: (216) [system] get_char((0x55772f068e50), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1117608)
   Call: (217) [system] peek_char((0x55772f068e50), _1118542)
   Exit: (217) [system] peek_char((0x55772f068e50), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1117608=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (216) [system] _1103672=[n]
   Exit: (216) [system] [n]=[n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (215) [system] _1089736=[o, n]
   Exit: (215) [system] [o, n]=[o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (214) [system] _1075800=[i, o, n]
   Exit: (214) [system] [i, o, n]=[i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (213) [system] _1061864=[t, i, o, n]
   Exit: (213) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (212) [system] _1047928=[a, t, i, o, n]
   Exit: (212) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (211) [system] _1033992=[c, a, t, i, o, n]
   Exit: (211) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (210) [system] _1020056=[i, c, a, t, i, o, n]
   Exit: (210) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (209) [system] _1006120=[l, i, c, a, t, i, o, n]
   Exit: (209) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (208) [system] _992184=[p, l, i, c, a, t, i, o, n]
   Exit: (208) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (207) [system] _978248=[m, p, l, i, c, a, t, i, o, n]
   Exit: (207) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (206) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _942738)
^  Call: (207) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1155766)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1156718, _1156720), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1155766), _1156700, fail)), '$restore_trace'(_1156718, _1156720))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1156718, _1156720))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1155766), _1156700, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_1155766)
   Fail: (208) [system] atomic(_1155766)
   Call: (208) [system] atom_chars(_1155766, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (208) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (207) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (207) [system] integer('Implication')
   Fail: (207) [system] integer('Implication')
   Call: (207) [system] _942738='Implication'
   Exit: (207) [system] 'Implication'='Implication'
^  Exit: (206) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (205) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (204) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (204) [user] read_list(')', (0x55772f068e50), _1170716)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1172574)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x55772f068e50), _1182168)
   Exit: (206) [system] get_char((0x55772f068e50), ' ')
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1184872)
   Exit: (207) [system] peek_char((0x55772f068e50), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1201806)
   Exit: (205) [system] peek_char((0x55772f068e50), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x55772f068e50), _1207376)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1209234)
   Exit: (207) [system] peek_char((0x55772f068e50), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] get_char((0x55772f068e50), _1225244)
   Exit: (206) [system] get_char((0x55772f068e50), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x55772f068e50), _1207376)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1230814)
   Exit: (208) [system] peek_char((0x55772f068e50), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
   Call: (208) [system] 'A'=(/)
   Fail: (208) [system] 'A'=(/)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1246824)
   Exit: (207) [system] peek_char((0x55772f068e50), 'A')
   Call: (207) [system] 'A'=')'
   Fail: (207) [system] 'A'=')'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x55772f068e50), _1252394)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1254252)
   Exit: (209) [system] peek_char((0x55772f068e50), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] get_char((0x55772f068e50), _1270262)
   Exit: (208) [system] get_char((0x55772f068e50), 'A')
   Call: (208) [system] 'A'='('
   Fail: (208) [system] 'A'='('
   Call: (208) [system] 'A'='['
   Fail: (208) [system] 'A'='['
   Call: (208) [system] 'A'='{'
   Fail: (208) [system] 'A'='{'
   Call: (208) [system] 'A'='"'
   Fail: (208) [system] 'A'='"'
   Call: (208) [system] 'A'=!
   Fail: (208) [system] 'A'=!
   Call: (208) [system] 'A'='\''
   Fail: (208) [system] 'A'='\''
   Call: (208) [system] 'A'='`'
   Fail: (208) [system] 'A'='`'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x55772f068e50), 'A', _1252394)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1287904)
   Call: (210) [system] peek_char((0x55772f068e50), _1288838)
   Exit: (210) [system] peek_char((0x55772f068e50), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_1293558, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_1294490, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x55772f068e50), n)
   Exit: (210) [system] get_char((0x55772f068e50), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1301840)
   Call: (211) [system] peek_char((0x55772f068e50), _1302774)
   Exit: (211) [system] peek_char((0x55772f068e50), d)
^  Call: (211) [user] is_delimiter(d)
   Call: (212) [system] char_type(d, space)
   Fail: (212) [system] char_type(d, space)
   Call: (212) [system] arg(_1307494, v('(', ')', end_of_file), d)
   Fail: (212) [system] arg(_1308426, v('(', ')', end_of_file), d)
^  Fail: (211) [user] is_delimiter(d)
   Call: (211) [system] ')'==d
   Fail: (211) [system] ')'==d
   Call: (211) [system] get_char((0x55772f068e50), d)
   Exit: (211) [system] get_char((0x55772f068e50), d)
   Call: (211) [system] d=(\)
   Fail: (211) [system] d=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1315776)
   Call: (212) [system] peek_char((0x55772f068e50), _1316710)
   Exit: (212) [system] peek_char((0x55772f068e50), 'L')
^  Call: (212) [user] is_delimiter('L')
   Call: (213) [system] char_type('L', space)
   Fail: (213) [system] char_type('L', space)
   Call: (213) [system] arg(_1321430, v('(', ')', end_of_file), 'L')
   Fail: (213) [system] arg(_1322362, v('(', ')', end_of_file), 'L')
^  Fail: (212) [user] is_delimiter('L')
   Call: (212) [system] ')'=='L'
   Fail: (212) [system] ')'=='L'
   Call: (212) [system] get_char((0x55772f068e50), 'L')
   Exit: (212) [system] get_char((0x55772f068e50), 'L')
   Call: (212) [system] 'L'=(\)
   Fail: (212) [system] 'L'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1329712)
   Call: (213) [system] peek_char((0x55772f068e50), _1330646)
   Exit: (213) [system] peek_char((0x55772f068e50), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1335366, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1336298, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x55772f068e50), i)
   Exit: (213) [system] get_char((0x55772f068e50), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1343648)
   Call: (214) [system] peek_char((0x55772f068e50), _1344582)
   Exit: (214) [system] peek_char((0x55772f068e50), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1349302, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1350234, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x55772f068e50), n)
   Exit: (214) [system] get_char((0x55772f068e50), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1357584)
   Call: (215) [system] peek_char((0x55772f068e50), _1358518)
   Exit: (215) [system] peek_char((0x55772f068e50), k)
^  Call: (215) [user] is_delimiter(k)
   Call: (216) [system] char_type(k, space)
   Fail: (216) [system] char_type(k, space)
   Call: (216) [system] arg(_1363238, v('(', ')', end_of_file), k)
   Fail: (216) [system] arg(_1364170, v('(', ')', end_of_file), k)
^  Fail: (215) [user] is_delimiter(k)
   Call: (215) [system] ')'==k
   Fail: (215) [system] ')'==k
   Call: (215) [system] get_char((0x55772f068e50), k)
   Exit: (215) [system] get_char((0x55772f068e50), k)
   Call: (215) [system] k=(\)
   Fail: (215) [system] k=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1371520)
   Call: (216) [system] peek_char((0x55772f068e50), _1372454)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1371520=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (215) [system] _1357584=[k]
   Exit: (215) [system] [k]=[k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (214) [system] _1343648=[n, k]
   Exit: (214) [system] [n, k]=[n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (213) [system] _1329712=[i, n, k]
   Exit: (213) [system] [i, n, k]=[i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (212) [system] _1315776=['L', i, n, k]
   Exit: (212) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (211) [system] _1301840=[d, 'L', i, n, k]
   Exit: (211) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (210) [system] _1287904=[n, d, 'L', i, n, k]
   Exit: (210) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (209) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1252394)
^  Call: (210) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1398502)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1399454, _1399456), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1398502), _1399436, fail)), '$restore_trace'(_1399454, _1399456))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1399454, _1399456))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1398502), _1399436, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1398502)
   Fail: (211) [system] atomic(_1398502)
   Call: (211) [system] atom_chars(_1398502, ['A', n, d, 'L', i, n, k])
   Exit: (211) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (210) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (210) [system] integer('AndLink')
   Fail: (210) [system] integer('AndLink')
   Call: (210) [system] _1252394='AndLink'
   Exit: (210) [system] 'AndLink'='AndLink'
^  Exit: (209) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (208) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (207) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (207) [user] read_list(')', (0x55772f068e50), _1413452)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1415310)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x55772f068e50), _1424904)
   Exit: (209) [system] get_char((0x55772f068e50), ' ')
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1427608)
   Exit: (210) [system] peek_char((0x55772f068e50), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
   Call: (210) [system] 'A'=(/)
   Fail: (210) [system] 'A'=(/)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1444542)
   Exit: (208) [system] peek_char((0x55772f068e50), 'A')
   Call: (208) [system] 'A'=')'
   Fail: (208) [system] 'A'=')'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x55772f068e50), _1450112)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1451970)
   Exit: (210) [system] peek_char((0x55772f068e50), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
   Call: (210) [system] 'A'=(/)
   Fail: (210) [system] 'A'=(/)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] get_char((0x55772f068e50), _1467980)
   Exit: (209) [system] get_char((0x55772f068e50), 'A')
   Call: (209) [system] 'A'='('
   Fail: (209) [system] 'A'='('
   Call: (209) [system] 'A'='['
   Fail: (209) [system] 'A'='['
   Call: (209) [system] 'A'='{'
   Fail: (209) [system] 'A'='{'
   Call: (209) [system] 'A'='"'
   Fail: (209) [system] 'A'='"'
   Call: (209) [system] 'A'=!
   Fail: (209) [system] 'A'=!
   Call: (209) [system] 'A'='\''
   Fail: (209) [system] 'A'='\''
   Call: (209) [system] 'A'='`'
   Fail: (209) [system] 'A'='`'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x55772f068e50), 'A', _1450112)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1485622)
   Call: (211) [system] peek_char((0x55772f068e50), _1486556)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1485622=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (210) [user] classify_and_convert_charseq(['A'], _1450112)
^  Call: (211) [user] classify_and_convert_charseq_(['A'], _1495840)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1496792, _1496794), once(user:catch(read_from_chars(['A'], _1495840), _1496774, fail)), '$restore_trace'(_1496792, _1496794))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1496792, _1496794))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1495840), _1496774, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1495840)
   Fail: (212) [system] atomic(_1495840)
   Call: (212) [system] atom_chars(_1495840, ['A'])
   Exit: (212) [system] atom_chars('A', ['A'])
^  Exit: (211) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (211) [system] integer('A')
   Fail: (211) [system] integer('A')
   Call: (211) [system] _1450112='A'
   Exit: (211) [system] 'A'='A'
^  Exit: (210) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (209) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (208) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (208) [user] read_list(')', (0x55772f068e50), _1510790)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1512648)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x55772f068e50), _1522242)
   Exit: (210) [system] get_char((0x55772f068e50), ' ')
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1524946)
   Exit: (211) [system] peek_char((0x55772f068e50), 'B')
   Call: (211) [system] 'B'=(;)
   Fail: (211) [system] 'B'=(;)
   Call: (211) [system] 'B'=(/)
   Fail: (211) [system] 'B'=(/)
^  Call: (211) [user] is_like_space('B')
   Call: (212) [system] char_type('B', 'white')
   Fail: (212) [system] char_type('B', 'white')
   Call: (212) [system] char_type('B', end_of_line)
   Fail: (212) [system] char_type('B', end_of_line)
   Call: (212) [system] char_type('B', space)
   Fail: (212) [system] char_type('B', space)
   Call: (212) [system] char_type('B', cntrl)
   Fail: (212) [system] char_type('B', cntrl)
^  Fail: (211) [user] is_like_space('B')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1541880)
   Exit: (209) [system] peek_char((0x55772f068e50), 'B')
   Call: (209) [system] 'B'=')'
   Fail: (209) [system] 'B'=')'
   Call: (209) [system] 'B'=end_of_file
   Fail: (209) [system] 'B'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x55772f068e50), _1547450)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1549308)
   Exit: (211) [system] peek_char((0x55772f068e50), 'B')
   Call: (211) [system] 'B'=(;)
   Fail: (211) [system] 'B'=(;)
   Call: (211) [system] 'B'=(/)
   Fail: (211) [system] 'B'=(/)
^  Call: (211) [user] is_like_space('B')
   Call: (212) [system] char_type('B', 'white')
   Fail: (212) [system] char_type('B', 'white')
   Call: (212) [system] char_type('B', end_of_line)
   Fail: (212) [system] char_type('B', end_of_line)
   Call: (212) [system] char_type('B', space)
   Fail: (212) [system] char_type('B', space)
   Call: (212) [system] char_type('B', cntrl)
   Fail: (212) [system] char_type('B', cntrl)
^  Fail: (211) [user] is_like_space('B')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] get_char((0x55772f068e50), _1565318)
   Exit: (210) [system] get_char((0x55772f068e50), 'B')
   Call: (210) [system] 'B'='('
   Fail: (210) [system] 'B'='('
   Call: (210) [system] 'B'='['
   Fail: (210) [system] 'B'='['
   Call: (210) [system] 'B'='{'
   Fail: (210) [system] 'B'='{'
   Call: (210) [system] 'B'='"'
   Fail: (210) [system] 'B'='"'
   Call: (210) [system] 'B'=!
   Fail: (210) [system] 'B'=!
   Call: (210) [system] 'B'='\''
   Fail: (210) [system] 'B'='\''
   Call: (210) [system] 'B'='`'
   Fail: (210) [system] 'B'='`'
   Call: (210) [system] 'B'=end_of_file
   Fail: (210) [system] 'B'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x55772f068e50), 'B', _1547450)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1582960)
   Call: (212) [system] peek_char((0x55772f068e50), _1583894)
   Exit: (212) [system] peek_char((0x55772f068e50), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_1588614, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _1582960=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (211) [user] classify_and_convert_charseq(['B'], _1547450)
^  Call: (212) [user] classify_and_convert_charseq_(['B'], _1595050)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1596002, _1596004), once(user:catch(read_from_chars(['B'], _1595050), _1595984, fail)), '$restore_trace'(_1596002, _1596004))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1596002, _1596004))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1595050), _1595984, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1595050)
   Fail: (213) [system] atomic(_1595050)
   Call: (213) [system] atom_chars(_1595050, ['B'])
   Exit: (213) [system] atom_chars('B', ['B'])
^  Exit: (212) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (212) [system] integer('B')
   Fail: (212) [system] integer('B')
   Call: (212) [system] _1547450='B'
   Exit: (212) [system] 'B'='B'
^  Exit: (211) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (210) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (209) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (209) [user] read_list(')', (0x55772f068e50), _1610000)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1611858)
   Exit: (211) [system] peek_char((0x55772f068e50), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
   Call: (211) [system] ')'=(/)
   Fail: (211) [system] ')'=(/)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1627868)
   Exit: (210) [system] peek_char((0x55772f068e50), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x55772f068e50), _1631658)
   Exit: (210) [system] get_char((0x55772f068e50), ')')
   Call: (210) [system] _1610000=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x55772f068e50), [])
   Call: (209) [system] _1510790=['B']
   Exit: (209) [system] ['B']=['B']
^  Exit: (208) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (208) [system] _1413452=['A', 'B']
   Exit: (208) [system] ['A', 'B']=['A', 'B']
^  Exit: (207) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (207) [system] _1207376=['AndLink', 'A', 'B']
   Exit: (207) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (206) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (205) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (205) [user] read_list(')', (0x55772f068e50), _1645540)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1647398)
   Exit: (207) [system] peek_char((0x55772f068e50), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x55772f068e50), _1656992)
   Exit: (207) [system] get_char((0x55772f068e50), ' ')
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1659696)
   Exit: (208) [system] peek_char((0x55772f068e50), 'C')
   Call: (208) [system] 'C'=(;)
   Fail: (208) [system] 'C'=(;)
   Call: (208) [system] 'C'=(/)
   Fail: (208) [system] 'C'=(/)
^  Call: (208) [user] is_like_space('C')
   Call: (209) [system] char_type('C', 'white')
   Fail: (209) [system] char_type('C', 'white')
   Call: (209) [system] char_type('C', end_of_line)
   Fail: (209) [system] char_type('C', end_of_line)
   Call: (209) [system] char_type('C', space)
   Fail: (209) [system] char_type('C', space)
   Call: (209) [system] char_type('C', cntrl)
   Fail: (209) [system] char_type('C', cntrl)
^  Fail: (208) [user] is_like_space('C')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1676630)
   Exit: (206) [system] peek_char((0x55772f068e50), 'C')
   Call: (206) [system] 'C'=')'
   Fail: (206) [system] 'C'=')'
   Call: (206) [system] 'C'=end_of_file
   Fail: (206) [system] 'C'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x55772f068e50), _1682200)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1684058)
   Exit: (208) [system] peek_char((0x55772f068e50), 'C')
   Call: (208) [system] 'C'=(;)
   Fail: (208) [system] 'C'=(;)
   Call: (208) [system] 'C'=(/)
   Fail: (208) [system] 'C'=(/)
^  Call: (208) [user] is_like_space('C')
   Call: (209) [system] char_type('C', 'white')
   Fail: (209) [system] char_type('C', 'white')
   Call: (209) [system] char_type('C', end_of_line)
   Fail: (209) [system] char_type('C', end_of_line)
   Call: (209) [system] char_type('C', space)
   Fail: (209) [system] char_type('C', space)
   Call: (209) [system] char_type('C', cntrl)
   Fail: (209) [system] char_type('C', cntrl)
^  Fail: (208) [user] is_like_space('C')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] get_char((0x55772f068e50), _1700068)
   Exit: (207) [system] get_char((0x55772f068e50), 'C')
   Call: (207) [system] 'C'='('
   Fail: (207) [system] 'C'='('
   Call: (207) [system] 'C'='['
   Fail: (207) [system] 'C'='['
   Call: (207) [system] 'C'='{'
   Fail: (207) [system] 'C'='{'
   Call: (207) [system] 'C'='"'
   Fail: (207) [system] 'C'='"'
   Call: (207) [system] 'C'=!
   Fail: (207) [system] 'C'=!
   Call: (207) [system] 'C'='\''
   Fail: (207) [system] 'C'='\''
   Call: (207) [system] 'C'='`'
   Fail: (207) [system] 'C'='`'
   Call: (207) [system] 'C'=end_of_file
   Fail: (207) [system] 'C'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x55772f068e50), 'C', _1682200)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1717710)
   Call: (209) [system] peek_char((0x55772f068e50), _1718644)
   Exit: (209) [system] peek_char((0x55772f068e50), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_1723364, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _1717710=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (208) [user] classify_and_convert_charseq(['C'], _1682200)
^  Call: (209) [user] classify_and_convert_charseq_(['C'], _1729800)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1730752, _1730754), once(user:catch(read_from_chars(['C'], _1729800), _1730734, fail)), '$restore_trace'(_1730752, _1730754))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1730752, _1730754))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1729800), _1730734, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_1729800)
   Fail: (210) [system] atomic(_1729800)
   Call: (210) [system] atom_chars(_1729800, ['C'])
   Exit: (210) [system] atom_chars('C', ['C'])
^  Exit: (209) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (209) [system] integer('C')
   Fail: (209) [system] integer('C')
   Call: (209) [system] _1682200='C'
   Exit: (209) [system] 'C'='C'
^  Exit: (208) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (207) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (206) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (206) [user] read_list(')', (0x55772f068e50), _1744750)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1746608)
   Exit: (208) [system] peek_char((0x55772f068e50), ')')
   Call: (208) [system] ')'=(;)
   Fail: (208) [system] ')'=(;)
   Call: (208) [system] ')'=(/)
   Fail: (208) [system] ')'=(/)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Fail: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Fail: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
   Fail: (209) [system] char_type(')', cntrl)
^  Fail: (208) [user] is_like_space(')')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1762618)
   Exit: (207) [system] peek_char((0x55772f068e50), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x55772f068e50), _1766408)
   Exit: (207) [system] get_char((0x55772f068e50), ')')
   Call: (207) [system] _1744750=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x55772f068e50), [])
   Call: (206) [system] _1645540=['C']
   Exit: (206) [system] ['C']=['C']
^  Exit: (205) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (205) [system] _1170716=[['AndLink', 'A', 'B'], 'C']
   Exit: (205) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (204) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (204) [system] _897720=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (204) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (203) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (202) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (202) [user] read_list(')', (0x55772f068e50), _1780290)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1782148)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x55772f068e50), _1791742)
   Exit: (204) [system] get_char((0x55772f068e50), ' ')
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1794446)
   Exit: (205) [system] peek_char((0x55772f068e50), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1811380)
   Exit: (203) [system] peek_char((0x55772f068e50), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x55772f068e50), _1816950)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1818808)
   Exit: (205) [system] peek_char((0x55772f068e50), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] get_char((0x55772f068e50), _1834818)
   Exit: (204) [system] get_char((0x55772f068e50), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x55772f068e50), _1816950)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1840388)
   Exit: (206) [system] peek_char((0x55772f068e50), 'I')
   Call: (206) [system] 'I'=(;)
   Fail: (206) [system] 'I'=(;)
   Call: (206) [system] 'I'=(/)
   Fail: (206) [system] 'I'=(/)
^  Call: (206) [user] is_like_space('I')
   Call: (207) [system] char_type('I', 'white')
   Fail: (207) [system] char_type('I', 'white')
   Call: (207) [system] char_type('I', end_of_line)
   Fail: (207) [system] char_type('I', end_of_line)
   Call: (207) [system] char_type('I', space)
   Fail: (207) [system] char_type('I', space)
   Call: (207) [system] char_type('I', cntrl)
   Fail: (207) [system] char_type('I', cntrl)
^  Fail: (206) [user] is_like_space('I')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1856398)
   Exit: (205) [system] peek_char((0x55772f068e50), 'I')
   Call: (205) [system] 'I'=')'
   Fail: (205) [system] 'I'=')'
   Call: (205) [system] 'I'=end_of_file
   Fail: (205) [system] 'I'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x55772f068e50), _1861968)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1863826)
   Exit: (207) [system] peek_char((0x55772f068e50), 'I')
   Call: (207) [system] 'I'=(;)
   Fail: (207) [system] 'I'=(;)
   Call: (207) [system] 'I'=(/)
   Fail: (207) [system] 'I'=(/)
^  Call: (207) [user] is_like_space('I')
   Call: (208) [system] char_type('I', 'white')
   Fail: (208) [system] char_type('I', 'white')
   Call: (208) [system] char_type('I', end_of_line)
   Fail: (208) [system] char_type('I', end_of_line)
   Call: (208) [system] char_type('I', space)
   Fail: (208) [system] char_type('I', space)
   Call: (208) [system] char_type('I', cntrl)
   Fail: (208) [system] char_type('I', cntrl)
^  Fail: (207) [user] is_like_space('I')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] get_char((0x55772f068e50), _1879836)
   Exit: (206) [system] get_char((0x55772f068e50), 'I')
   Call: (206) [system] 'I'='('
   Fail: (206) [system] 'I'='('
   Call: (206) [system] 'I'='['
   Fail: (206) [system] 'I'='['
   Call: (206) [system] 'I'='{'
   Fail: (206) [system] 'I'='{'
   Call: (206) [system] 'I'='"'
   Fail: (206) [system] 'I'='"'
   Call: (206) [system] 'I'=!
   Fail: (206) [system] 'I'=!
   Call: (206) [system] 'I'='\''
   Fail: (206) [system] 'I'='\''
   Call: (206) [system] 'I'='`'
   Fail: (206) [system] 'I'='`'
   Call: (206) [system] 'I'=end_of_file
   Fail: (206) [system] 'I'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x55772f068e50), 'I', _1861968)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1897478)
   Call: (208) [system] peek_char((0x55772f068e50), _1898412)
   Exit: (208) [system] peek_char((0x55772f068e50), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_1903132, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_1904064, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x55772f068e50), m)
   Exit: (208) [system] get_char((0x55772f068e50), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1911414)
   Call: (209) [system] peek_char((0x55772f068e50), _1912348)
   Exit: (209) [system] peek_char((0x55772f068e50), p)
^  Call: (209) [user] is_delimiter(p)
   Call: (210) [system] char_type(p, space)
   Fail: (210) [system] char_type(p, space)
   Call: (210) [system] arg(_1917068, v('(', ')', end_of_file), p)
   Fail: (210) [system] arg(_1918000, v('(', ')', end_of_file), p)
^  Fail: (209) [user] is_delimiter(p)
   Call: (209) [system] ')'==p
   Fail: (209) [system] ')'==p
   Call: (209) [system] get_char((0x55772f068e50), p)
   Exit: (209) [system] get_char((0x55772f068e50), p)
   Call: (209) [system] p=(\)
   Fail: (209) [system] p=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1925350)
   Call: (210) [system] peek_char((0x55772f068e50), _1926284)
   Exit: (210) [system] peek_char((0x55772f068e50), l)
^  Call: (210) [user] is_delimiter(l)
   Call: (211) [system] char_type(l, space)
   Fail: (211) [system] char_type(l, space)
   Call: (211) [system] arg(_1931004, v('(', ')', end_of_file), l)
   Fail: (211) [system] arg(_1931936, v('(', ')', end_of_file), l)
^  Fail: (210) [user] is_delimiter(l)
   Call: (210) [system] ')'==l
   Fail: (210) [system] ')'==l
   Call: (210) [system] get_char((0x55772f068e50), l)
   Exit: (210) [system] get_char((0x55772f068e50), l)
   Call: (210) [system] l=(\)
   Fail: (210) [system] l=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1939286)
   Call: (211) [system] peek_char((0x55772f068e50), _1940220)
   Exit: (211) [system] peek_char((0x55772f068e50), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_1944940, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_1945872, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x55772f068e50), i)
   Exit: (211) [system] get_char((0x55772f068e50), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1953222)
   Call: (212) [system] peek_char((0x55772f068e50), _1954156)
   Exit: (212) [system] peek_char((0x55772f068e50), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_1958876, v('(', ')', end_of_file), c)
   Fail: (213) [system] arg(_1959808, v('(', ')', end_of_file), c)
^  Fail: (212) [user] is_delimiter(c)
   Call: (212) [system] ')'==c
   Fail: (212) [system] ')'==c
   Call: (212) [system] get_char((0x55772f068e50), c)
   Exit: (212) [system] get_char((0x55772f068e50), c)
   Call: (212) [system] c=(\)
   Fail: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1967158)
   Call: (213) [system] peek_char((0x55772f068e50), _1968092)
   Exit: (213) [system] peek_char((0x55772f068e50), a)
^  Call: (213) [user] is_delimiter(a)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] arg(_1972812, v('(', ')', end_of_file), a)
   Fail: (214) [system] arg(_1973744, v('(', ')', end_of_file), a)
^  Fail: (213) [user] is_delimiter(a)
   Call: (213) [system] ')'==a
   Fail: (213) [system] ')'==a
   Call: (213) [system] get_char((0x55772f068e50), a)
   Exit: (213) [system] get_char((0x55772f068e50), a)
   Call: (213) [system] a=(\)
   Fail: (213) [system] a=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1981094)
   Call: (214) [system] peek_char((0x55772f068e50), _1982028)
   Exit: (214) [system] peek_char((0x55772f068e50), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Fail: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_1986748, v('(', ')', end_of_file), t)
   Fail: (215) [system] arg(_1987680, v('(', ')', end_of_file), t)
^  Fail: (214) [user] is_delimiter(t)
   Call: (214) [system] ')'==t
   Fail: (214) [system] ')'==t
   Call: (214) [system] get_char((0x55772f068e50), t)
   Exit: (214) [system] get_char((0x55772f068e50), t)
   Call: (214) [system] t=(\)
   Fail: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1995030)
   Call: (215) [system] peek_char((0x55772f068e50), _1995964)
   Exit: (215) [system] peek_char((0x55772f068e50), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_2000684, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_2001616, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x55772f068e50), i)
   Exit: (215) [system] get_char((0x55772f068e50), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _2008966)
   Call: (216) [system] peek_char((0x55772f068e50), _2009900)
   Exit: (216) [system] peek_char((0x55772f068e50), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Fail: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_2014620, v('(', ')', end_of_file), o)
   Fail: (217) [system] arg(_2015552, v('(', ')', end_of_file), o)
^  Fail: (216) [user] is_delimiter(o)
   Call: (216) [system] ')'==o
   Fail: (216) [system] ')'==o
   Call: (216) [system] get_char((0x55772f068e50), o)
   Exit: (216) [system] get_char((0x55772f068e50), o)
   Call: (216) [system] o=(\)
   Fail: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _2022902)
   Call: (217) [system] peek_char((0x55772f068e50), _2023836)
   Exit: (217) [system] peek_char((0x55772f068e50), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_2028556, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_2029488, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x55772f068e50), n)
   Exit: (217) [system] get_char((0x55772f068e50), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _2036838)
   Call: (218) [system] peek_char((0x55772f068e50), _2037772)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _2036838=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (217) [system] _2022902=[n]
   Exit: (217) [system] [n]=[n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (216) [system] _2008966=[o, n]
   Exit: (216) [system] [o, n]=[o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (215) [system] _1995030=[i, o, n]
   Exit: (215) [system] [i, o, n]=[i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (214) [system] _1981094=[t, i, o, n]
   Exit: (214) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (213) [system] _1967158=[a, t, i, o, n]
   Exit: (213) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (212) [system] _1953222=[c, a, t, i, o, n]
   Exit: (212) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (211) [system] _1939286=[i, c, a, t, i, o, n]
   Exit: (211) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (210) [system] _1925350=[l, i, c, a, t, i, o, n]
   Exit: (210) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (209) [system] _1911414=[p, l, i, c, a, t, i, o, n]
   Exit: (209) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (208) [system] _1897478=[m, p, l, i, c, a, t, i, o, n]
   Exit: (208) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (207) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1861968)
^  Call: (208) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _2074996)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_2075948, _2075950), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _2074996), _2075930, fail)), '$restore_trace'(_2075948, _2075950))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_2075948, _2075950))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _2074996), _2075930, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_2074996)
   Fail: (209) [system] atomic(_2074996)
   Call: (209) [system] atom_chars(_2074996, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (209) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (208) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (208) [system] integer('Implication')
   Fail: (208) [system] integer('Implication')
   Call: (208) [system] _1861968='Implication'
   Exit: (208) [system] 'Implication'='Implication'
^  Exit: (207) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (206) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (205) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (205) [user] read_list(')', (0x55772f068e50), _2089946)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _2091804)
   Exit: (207) [system] peek_char((0x55772f068e50), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x55772f068e50), _8478)
   Exit: (207) [system] get_char((0x55772f068e50), ' ')
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _11182)
   Exit: (208) [system] peek_char((0x55772f068e50), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _28116)
   Exit: (206) [system] peek_char((0x55772f068e50), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x55772f068e50), _33686)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _35544)
   Exit: (208) [system] peek_char((0x55772f068e50), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] get_char((0x55772f068e50), _51554)
   Exit: (207) [system] get_char((0x55772f068e50), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x55772f068e50), _33686)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _57124)
   Exit: (209) [system] peek_char((0x55772f068e50), 'O')
   Call: (209) [system] 'O'=(;)
   Fail: (209) [system] 'O'=(;)
   Call: (209) [system] 'O'=(/)
   Fail: (209) [system] 'O'=(/)
^  Call: (209) [user] is_like_space('O')
   Call: (210) [system] char_type('O', 'white')
   Fail: (210) [system] char_type('O', 'white')
   Call: (210) [system] char_type('O', end_of_line)
   Fail: (210) [system] char_type('O', end_of_line)
   Call: (210) [system] char_type('O', space)
   Fail: (210) [system] char_type('O', space)
   Call: (210) [system] char_type('O', cntrl)
   Fail: (210) [system] char_type('O', cntrl)
^  Fail: (209) [user] is_like_space('O')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _73134)
   Exit: (208) [system] peek_char((0x55772f068e50), 'O')
   Call: (208) [system] 'O'=')'
   Fail: (208) [system] 'O'=')'
   Call: (208) [system] 'O'=end_of_file
   Fail: (208) [system] 'O'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x55772f068e50), _78704)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _80562)
   Exit: (210) [system] peek_char((0x55772f068e50), 'O')
   Call: (210) [system] 'O'=(;)
   Fail: (210) [system] 'O'=(;)
   Call: (210) [system] 'O'=(/)
   Fail: (210) [system] 'O'=(/)
^  Call: (210) [user] is_like_space('O')
   Call: (211) [system] char_type('O', 'white')
   Fail: (211) [system] char_type('O', 'white')
   Call: (211) [system] char_type('O', end_of_line)
   Fail: (211) [system] char_type('O', end_of_line)
   Call: (211) [system] char_type('O', space)
   Fail: (211) [system] char_type('O', space)
   Call: (211) [system] char_type('O', cntrl)
   Fail: (211) [system] char_type('O', cntrl)
^  Fail: (210) [user] is_like_space('O')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] get_char((0x55772f068e50), _96572)
   Exit: (209) [system] get_char((0x55772f068e50), 'O')
   Call: (209) [system] 'O'='('
   Fail: (209) [system] 'O'='('
   Call: (209) [system] 'O'='['
   Fail: (209) [system] 'O'='['
   Call: (209) [system] 'O'='{'
   Fail: (209) [system] 'O'='{'
   Call: (209) [system] 'O'='"'
   Fail: (209) [system] 'O'='"'
   Call: (209) [system] 'O'=!
   Fail: (209) [system] 'O'=!
   Call: (209) [system] 'O'='\''
   Fail: (209) [system] 'O'='\''
   Call: (209) [system] 'O'='`'
   Fail: (209) [system] 'O'='`'
   Call: (209) [system] 'O'=end_of_file
   Fail: (209) [system] 'O'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x55772f068e50), 'O', _78704)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _114214)
   Call: (211) [system] peek_char((0x55772f068e50), _115148)
   Exit: (211) [system] peek_char((0x55772f068e50), r)
^  Call: (211) [user] is_delimiter(r)
   Call: (212) [system] char_type(r, space)
   Fail: (212) [system] char_type(r, space)
   Call: (212) [system] arg(_119868, v('(', ')', end_of_file), r)
   Fail: (212) [system] arg(_120800, v('(', ')', end_of_file), r)
^  Fail: (211) [user] is_delimiter(r)
   Call: (211) [system] ')'==r
   Fail: (211) [system] ')'==r
   Call: (211) [system] get_char((0x55772f068e50), r)
   Exit: (211) [system] get_char((0x55772f068e50), r)
   Call: (211) [system] r=(\)
   Fail: (211) [system] r=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _128150)
   Call: (212) [system] peek_char((0x55772f068e50), _129084)
   Exit: (212) [system] peek_char((0x55772f068e50), 'L')
^  Call: (212) [user] is_delimiter('L')
   Call: (213) [system] char_type('L', space)
   Fail: (213) [system] char_type('L', space)
   Call: (213) [system] arg(_133804, v('(', ')', end_of_file), 'L')
   Fail: (213) [system] arg(_134736, v('(', ')', end_of_file), 'L')
^  Fail: (212) [user] is_delimiter('L')
   Call: (212) [system] ')'=='L'
   Fail: (212) [system] ')'=='L'
   Call: (212) [system] get_char((0x55772f068e50), 'L')
   Exit: (212) [system] get_char((0x55772f068e50), 'L')
   Call: (212) [system] 'L'=(\)
   Fail: (212) [system] 'L'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _142086)
   Call: (213) [system] peek_char((0x55772f068e50), _143020)
   Exit: (213) [system] peek_char((0x55772f068e50), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_147740, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_148672, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x55772f068e50), i)
   Exit: (213) [system] get_char((0x55772f068e50), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _156022)
   Call: (214) [system] peek_char((0x55772f068e50), _156956)
   Exit: (214) [system] peek_char((0x55772f068e50), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_161676, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_162608, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x55772f068e50), n)
   Exit: (214) [system] get_char((0x55772f068e50), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _169958)
   Call: (215) [system] peek_char((0x55772f068e50), _170892)
   Exit: (215) [system] peek_char((0x55772f068e50), k)
^  Call: (215) [user] is_delimiter(k)
   Call: (216) [system] char_type(k, space)
   Fail: (216) [system] char_type(k, space)
   Call: (216) [system] arg(_175612, v('(', ')', end_of_file), k)
   Fail: (216) [system] arg(_176544, v('(', ')', end_of_file), k)
^  Fail: (215) [user] is_delimiter(k)
   Call: (215) [system] ')'==k
   Fail: (215) [system] ')'==k
   Call: (215) [system] get_char((0x55772f068e50), k)
   Exit: (215) [system] get_char((0x55772f068e50), k)
   Call: (215) [system] k=(\)
   Fail: (215) [system] k=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _183894)
   Call: (216) [system] peek_char((0x55772f068e50), _184828)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _183894=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (215) [system] _169958=[k]
   Exit: (215) [system] [k]=[k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (214) [system] _156022=[n, k]
   Exit: (214) [system] [n, k]=[n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (213) [system] _142086=[i, n, k]
   Exit: (213) [system] [i, n, k]=[i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (212) [system] _128150=['L', i, n, k]
   Exit: (212) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (211) [system] _114214=[r, 'L', i, n, k]
   Exit: (211) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (210) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _78704)
^  Call: (211) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _208082)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_209034, _209036), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _208082), _209016, fail)), '$restore_trace'(_209034, _209036))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_209034, _209036))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _208082), _209016, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_208082)
   Fail: (212) [system] atomic(_208082)
   Call: (212) [system] atom_chars(_208082, ['O', r, 'L', i, n, k])
   Exit: (212) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (211) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (211) [system] integer('OrLink')
   Fail: (211) [system] integer('OrLink')
   Call: (211) [system] _78704='OrLink'
   Exit: (211) [system] 'OrLink'='OrLink'
^  Exit: (210) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (209) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (208) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (208) [user] read_list(')', (0x55772f068e50), _223032)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _224890)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x55772f068e50), _234484)
   Exit: (210) [system] get_char((0x55772f068e50), ' ')
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _237188)
   Exit: (211) [system] peek_char((0x55772f068e50), 'C')
   Call: (211) [system] 'C'=(;)
   Fail: (211) [system] 'C'=(;)
   Call: (211) [system] 'C'=(/)
   Fail: (211) [system] 'C'=(/)
^  Call: (211) [user] is_like_space('C')
   Call: (212) [system] char_type('C', 'white')
   Fail: (212) [system] char_type('C', 'white')
   Call: (212) [system] char_type('C', end_of_line)
   Fail: (212) [system] char_type('C', end_of_line)
   Call: (212) [system] char_type('C', space)
   Fail: (212) [system] char_type('C', space)
   Call: (212) [system] char_type('C', cntrl)
   Fail: (212) [system] char_type('C', cntrl)
^  Fail: (211) [user] is_like_space('C')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _254122)
   Exit: (209) [system] peek_char((0x55772f068e50), 'C')
   Call: (209) [system] 'C'=')'
   Fail: (209) [system] 'C'=')'
   Call: (209) [system] 'C'=end_of_file
   Fail: (209) [system] 'C'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x55772f068e50), _259692)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _261550)
   Exit: (211) [system] peek_char((0x55772f068e50), 'C')
   Call: (211) [system] 'C'=(;)
   Fail: (211) [system] 'C'=(;)
   Call: (211) [system] 'C'=(/)
   Fail: (211) [system] 'C'=(/)
^  Call: (211) [user] is_like_space('C')
   Call: (212) [system] char_type('C', 'white')
   Fail: (212) [system] char_type('C', 'white')
   Call: (212) [system] char_type('C', end_of_line)
   Fail: (212) [system] char_type('C', end_of_line)
   Call: (212) [system] char_type('C', space)
   Fail: (212) [system] char_type('C', space)
   Call: (212) [system] char_type('C', cntrl)
   Fail: (212) [system] char_type('C', cntrl)
^  Fail: (211) [user] is_like_space('C')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] get_char((0x55772f068e50), _277560)
   Exit: (210) [system] get_char((0x55772f068e50), 'C')
   Call: (210) [system] 'C'='('
   Fail: (210) [system] 'C'='('
   Call: (210) [system] 'C'='['
   Fail: (210) [system] 'C'='['
   Call: (210) [system] 'C'='{'
   Fail: (210) [system] 'C'='{'
   Call: (210) [system] 'C'='"'
   Fail: (210) [system] 'C'='"'
   Call: (210) [system] 'C'=!
   Fail: (210) [system] 'C'=!
   Call: (210) [system] 'C'='\''
   Fail: (210) [system] 'C'='\''
   Call: (210) [system] 'C'='`'
   Fail: (210) [system] 'C'='`'
   Call: (210) [system] 'C'=end_of_file
   Fail: (210) [system] 'C'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x55772f068e50), 'C', _259692)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _295202)
   Call: (212) [system] peek_char((0x55772f068e50), _296136)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _295202=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (211) [user] classify_and_convert_charseq(['C'], _259692)
^  Call: (212) [user] classify_and_convert_charseq_(['C'], _305420)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_306372, _306374), once(user:catch(read_from_chars(['C'], _305420), _306354, fail)), '$restore_trace'(_306372, _306374))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_306372, _306374))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _305420), _306354, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_305420)
   Fail: (213) [system] atomic(_305420)
   Call: (213) [system] atom_chars(_305420, ['C'])
   Exit: (213) [system] atom_chars('C', ['C'])
^  Exit: (212) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (212) [system] integer('C')
   Fail: (212) [system] integer('C')
   Call: (212) [system] _259692='C'
   Exit: (212) [system] 'C'='C'
^  Exit: (211) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (210) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (209) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (209) [user] read_list(')', (0x55772f068e50), _320370)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _322228)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x55772f068e50), _331822)
   Exit: (211) [system] get_char((0x55772f068e50), ' ')
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _334526)
   Exit: (212) [system] peek_char((0x55772f068e50), 'D')
   Call: (212) [system] 'D'=(;)
   Fail: (212) [system] 'D'=(;)
   Call: (212) [system] 'D'=(/)
   Fail: (212) [system] 'D'=(/)
^  Call: (212) [user] is_like_space('D')
   Call: (213) [system] char_type('D', 'white')
   Fail: (213) [system] char_type('D', 'white')
   Call: (213) [system] char_type('D', end_of_line)
   Fail: (213) [system] char_type('D', end_of_line)
   Call: (213) [system] char_type('D', space)
   Fail: (213) [system] char_type('D', space)
   Call: (213) [system] char_type('D', cntrl)
   Fail: (213) [system] char_type('D', cntrl)
^  Fail: (212) [user] is_like_space('D')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _351460)
   Exit: (210) [system] peek_char((0x55772f068e50), 'D')
   Call: (210) [system] 'D'=')'
   Fail: (210) [system] 'D'=')'
   Call: (210) [system] 'D'=end_of_file
   Fail: (210) [system] 'D'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x55772f068e50), _357030)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _358888)
   Exit: (212) [system] peek_char((0x55772f068e50), 'D')
   Call: (212) [system] 'D'=(;)
   Fail: (212) [system] 'D'=(;)
   Call: (212) [system] 'D'=(/)
   Fail: (212) [system] 'D'=(/)
^  Call: (212) [user] is_like_space('D')
   Call: (213) [system] char_type('D', 'white')
   Fail: (213) [system] char_type('D', 'white')
   Call: (213) [system] char_type('D', end_of_line)
   Fail: (213) [system] char_type('D', end_of_line)
   Call: (213) [system] char_type('D', space)
   Fail: (213) [system] char_type('D', space)
   Call: (213) [system] char_type('D', cntrl)
   Fail: (213) [system] char_type('D', cntrl)
^  Fail: (212) [user] is_like_space('D')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] get_char((0x55772f068e50), _374898)
   Exit: (211) [system] get_char((0x55772f068e50), 'D')
   Call: (211) [system] 'D'='('
   Fail: (211) [system] 'D'='('
   Call: (211) [system] 'D'='['
   Fail: (211) [system] 'D'='['
   Call: (211) [system] 'D'='{'
   Fail: (211) [system] 'D'='{'
   Call: (211) [system] 'D'='"'
   Fail: (211) [system] 'D'='"'
   Call: (211) [system] 'D'=!
   Fail: (211) [system] 'D'=!
   Call: (211) [system] 'D'='\''
   Fail: (211) [system] 'D'='\''
   Call: (211) [system] 'D'='`'
   Fail: (211) [system] 'D'='`'
   Call: (211) [system] 'D'=end_of_file
   Fail: (211) [system] 'D'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x55772f068e50), 'D', _357030)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _392540)
   Call: (213) [system] peek_char((0x55772f068e50), _393474)
   Exit: (213) [system] peek_char((0x55772f068e50), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_398194, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _392540=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (212) [user] classify_and_convert_charseq(['D'], _357030)
^  Call: (213) [user] classify_and_convert_charseq_(['D'], _404630)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_405582, _405584), once(user:catch(read_from_chars(['D'], _404630), _405564, fail)), '$restore_trace'(_405582, _405584))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_405582, _405584))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _404630), _405564, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_404630)
   Fail: (214) [system] atomic(_404630)
   Call: (214) [system] atom_chars(_404630, ['D'])
   Exit: (214) [system] atom_chars('D', ['D'])
^  Exit: (213) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (213) [system] integer('D')
   Fail: (213) [system] integer('D')
   Call: (213) [system] _357030='D'
   Exit: (213) [system] 'D'='D'
^  Exit: (212) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (211) [user] read_symbolic(')', (0x55772f068e50), 'D', 'D')
^  Exit: (210) [user] cont_sexpr(')', (0x55772f068e50), 'D')
^  Call: (210) [user] read_list(')', (0x55772f068e50), _419580)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _421438)
   Exit: (212) [system] peek_char((0x55772f068e50), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _437448)
   Exit: (211) [system] peek_char((0x55772f068e50), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x55772f068e50), _441238)
   Exit: (211) [system] get_char((0x55772f068e50), ')')
   Call: (211) [system] _419580=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x55772f068e50), [])
   Call: (210) [system] _320370=['D']
   Exit: (210) [system] ['D']=['D']
^  Exit: (209) [user] read_list(')', (0x55772f068e50), ['D'])
   Call: (209) [system] _223032=['C', 'D']
   Exit: (209) [system] ['C', 'D']=['C', 'D']
^  Exit: (208) [user] read_list(')', (0x55772f068e50), ['C', 'D'])
   Call: (208) [system] _33686=['OrLink', 'C', 'D']
   Exit: (208) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (207) [user] read_list(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Exit: (206) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Call: (206) [user] read_list(')', (0x55772f068e50), _455120)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _456978)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x55772f068e50), _466572)
   Exit: (208) [system] get_char((0x55772f068e50), ' ')
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _469276)
   Exit: (209) [system] peek_char((0x55772f068e50), 'E')
   Call: (209) [system] 'E'=(;)
   Fail: (209) [system] 'E'=(;)
   Call: (209) [system] 'E'=(/)
   Fail: (209) [system] 'E'=(/)
^  Call: (209) [user] is_like_space('E')
   Call: (210) [system] char_type('E', 'white')
   Fail: (210) [system] char_type('E', 'white')
   Call: (210) [system] char_type('E', end_of_line)
   Fail: (210) [system] char_type('E', end_of_line)
   Call: (210) [system] char_type('E', space)
   Fail: (210) [system] char_type('E', space)
   Call: (210) [system] char_type('E', cntrl)
   Fail: (210) [system] char_type('E', cntrl)
^  Fail: (209) [user] is_like_space('E')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _486210)
   Exit: (207) [system] peek_char((0x55772f068e50), 'E')
   Call: (207) [system] 'E'=')'
   Fail: (207) [system] 'E'=')'
   Call: (207) [system] 'E'=end_of_file
   Fail: (207) [system] 'E'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x55772f068e50), _491780)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _493638)
   Exit: (209) [system] peek_char((0x55772f068e50), 'E')
   Call: (209) [system] 'E'=(;)
   Fail: (209) [system] 'E'=(;)
   Call: (209) [system] 'E'=(/)
   Fail: (209) [system] 'E'=(/)
^  Call: (209) [user] is_like_space('E')
   Call: (210) [system] char_type('E', 'white')
   Fail: (210) [system] char_type('E', 'white')
   Call: (210) [system] char_type('E', end_of_line)
   Fail: (210) [system] char_type('E', end_of_line)
   Call: (210) [system] char_type('E', space)
   Fail: (210) [system] char_type('E', space)
   Call: (210) [system] char_type('E', cntrl)
   Fail: (210) [system] char_type('E', cntrl)
^  Fail: (209) [user] is_like_space('E')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] get_char((0x55772f068e50), _509648)
   Exit: (208) [system] get_char((0x55772f068e50), 'E')
   Call: (208) [system] 'E'='('
   Fail: (208) [system] 'E'='('
   Call: (208) [system] 'E'='['
   Fail: (208) [system] 'E'='['
   Call: (208) [system] 'E'='{'
   Fail: (208) [system] 'E'='{'
   Call: (208) [system] 'E'='"'
   Fail: (208) [system] 'E'='"'
   Call: (208) [system] 'E'=!
   Fail: (208) [system] 'E'=!
   Call: (208) [system] 'E'='\''
   Fail: (208) [system] 'E'='\''
   Call: (208) [system] 'E'='`'
   Fail: (208) [system] 'E'='`'
   Call: (208) [system] 'E'=end_of_file
   Fail: (208) [system] 'E'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x55772f068e50), 'E', _491780)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _527290)
   Call: (210) [system] peek_char((0x55772f068e50), _528224)
   Exit: (210) [system] peek_char((0x55772f068e50), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_532944, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _527290=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (209) [user] classify_and_convert_charseq(['E'], _491780)
^  Call: (210) [user] classify_and_convert_charseq_(['E'], _539380)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_540332, _540334), once(user:catch(read_from_chars(['E'], _539380), _540314, fail)), '$restore_trace'(_540332, _540334))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_540332, _540334))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _539380), _540314, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_539380)
   Fail: (211) [system] atomic(_539380)
   Call: (211) [system] atom_chars(_539380, ['E'])
   Exit: (211) [system] atom_chars('E', ['E'])
^  Exit: (210) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (210) [system] integer('E')
   Fail: (210) [system] integer('E')
   Call: (210) [system] _491780='E'
   Exit: (210) [system] 'E'='E'
^  Exit: (209) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (208) [user] read_symbolic(')', (0x55772f068e50), 'E', 'E')
^  Exit: (207) [user] cont_sexpr(')', (0x55772f068e50), 'E')
^  Call: (207) [user] read_list(')', (0x55772f068e50), _554330)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _556188)
   Exit: (209) [system] peek_char((0x55772f068e50), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
   Call: (209) [system] ')'=(/)
   Fail: (209) [system] ')'=(/)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _572198)
   Exit: (208) [system] peek_char((0x55772f068e50), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x55772f068e50), _575988)
   Exit: (208) [system] get_char((0x55772f068e50), ')')
   Call: (208) [system] _554330=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x55772f068e50), [])
   Call: (207) [system] _455120=['E']
   Exit: (207) [system] ['E']=['E']
^  Exit: (206) [user] read_list(')', (0x55772f068e50), ['E'])
   Call: (206) [system] _3852=[['OrLink', 'C', 'D'], 'E']
   Exit: (206) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (205) [user] read_list(')', (0x55772f068e50), [['OrLink', 'C', 'D'], 'E'])
   Call: (205) [system] _3844=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (205) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (204) [user] read_list(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (203) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (203) [user] read_list(')', (0x55772f068e50), _589870)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _591728)
   Exit: (205) [system] peek_char((0x55772f068e50), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _607738)
   Exit: (204) [system] peek_char((0x55772f068e50), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x55772f068e50), _611528)
   Exit: (204) [system] get_char((0x55772f068e50), ')')
   Call: (204) [system] _589870=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x55772f068e50), [])
   Call: (203) [system] _3840=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (203) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (202) [user] read_list(')', (0x55772f068e50), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (202) [system] _3798=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (202) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (201) [system] _3790=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (201) [system] ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (199) [user] read_list(')', (0x55772f068e50), _625410)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _627268)
   Exit: (201) [system] peek_char((0x55772f068e50), ')')
   Call: (201) [system] ')'=(;)
   Fail: (201) [system] ')'=(;)
   Call: (201) [system] ')'=(/)
   Fail: (201) [system] ')'=(/)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Fail: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Fail: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
   Fail: (202) [system] char_type(')', cntrl)
^  Fail: (201) [user] is_like_space(')')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _643278)
   Exit: (200) [system] peek_char((0x55772f068e50), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x55772f068e50), _647068)
   Exit: (200) [system] get_char((0x55772f068e50), ')')
   Call: (200) [system] _625410=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [])
   Call: (199) [system] _3786=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (199) [system] [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (198) [system] _3762=[['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (198) [system] [['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (197) [system] _3754=[:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (197) [system] [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (195) [user] read_list(')', (0x55772f068e50), _660950)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _662808)
   Exit: (197) [system] peek_char((0x55772f068e50), '\n')
   Call: (197) [system] '\n'=(;)
   Fail: (197) [system] '\n'=(;)
   Call: (197) [system] '\n'=(/)
   Fail: (197) [system] '\n'=(/)
^  Call: (197) [user] is_like_space('\n')
   Call: (198) [system] char_type('\n', 'white')
   Fail: (198) [system] char_type('\n', 'white')
   Call: (198) [system] char_type('\n', end_of_line)
   Exit: (198) [system] char_type('\n', end_of_line)
^  Exit: (197) [user] is_like_space('\n')
   Call: (197) [system] get_char((0x55772f068e50), _674258)
   Exit: (197) [system] get_char((0x55772f068e50), '\n')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _676962)
   Exit: (198) [system] peek_char((0x55772f068e50), '\t')
   Call: (198) [system] '\t'=(;)
   Fail: (198) [system] '\t'=(;)
   Call: (198) [system] '\t'=(/)
   Fail: (198) [system] '\t'=(/)
^  Call: (198) [user] is_like_space('\t')
   Call: (199) [system] char_type('\t', 'white')
   Exit: (199) [system] char_type('\t', 'white')
^  Exit: (198) [user] is_like_space('\t')
   Call: (198) [system] get_char((0x55772f068e50), _686556)
   Exit: (198) [system] get_char((0x55772f068e50), '\t')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _689260)
   Exit: (199) [system] peek_char((0x55772f068e50), '\t')
   Call: (199) [system] '\t'=(;)
   Fail: (199) [system] '\t'=(;)
   Call: (199) [system] '\t'=(/)
   Fail: (199) [system] '\t'=(/)
^  Call: (199) [user] is_like_space('\t')
   Call: (200) [system] char_type('\t', 'white')
   Exit: (200) [system] char_type('\t', 'white')
^  Exit: (199) [user] is_like_space('\t')
   Call: (199) [system] get_char((0x55772f068e50), _698854)
   Exit: (199) [system] get_char((0x55772f068e50), '\t')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _701558)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _711152)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _713856)
   Exit: (201) [system] peek_char((0x55772f068e50), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _733562)
   Exit: (196) [system] peek_char((0x55772f068e50), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _739132)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _740990)
   Exit: (198) [system] peek_char((0x55772f068e50), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _757000)
   Exit: (197) [system] get_char((0x55772f068e50), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x55772f068e50), _739132)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _762570)
   Exit: (199) [system] peek_char((0x55772f068e50), :)
   Call: (199) [system] (:)=(;)
   Fail: (199) [system] (:)=(;)
   Call: (199) [system] (:)=(/)
   Fail: (199) [system] (:)=(/)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Fail: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Fail: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
   Fail: (200) [system] char_type(:, cntrl)
^  Fail: (199) [user] is_like_space(:)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _778580)
   Exit: (198) [system] peek_char((0x55772f068e50), :)
   Call: (198) [system] (:)=')'
   Fail: (198) [system] (:)=')'
   Call: (198) [system] (:)=end_of_file
   Fail: (198) [system] (:)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _784150)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _786008)
   Exit: (200) [system] peek_char((0x55772f068e50), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
   Call: (200) [system] (:)=(/)
   Fail: (200) [system] (:)=(/)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _802018)
   Exit: (199) [system] get_char((0x55772f068e50), :)
   Call: (199) [system] (:)='('
   Fail: (199) [system] (:)='('
   Call: (199) [system] (:)='['
   Fail: (199) [system] (:)='['
   Call: (199) [system] (:)='{'
   Fail: (199) [system] (:)='{'
   Call: (199) [system] (:)='"'
   Fail: (199) [system] (:)='"'
   Call: (199) [system] (:)=!
   Fail: (199) [system] (:)=!
   Call: (199) [system] (:)='\''
   Fail: (199) [system] (:)='\''
   Call: (199) [system] (:)='`'
   Fail: (199) [system] (:)='`'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x55772f068e50), :, _784150)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _819660)
   Call: (201) [system] peek_char((0x55772f068e50), _820594)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _819660=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (200) [user] classify_and_convert_charseq([:], _784150)
^  Call: (201) [user] classify_and_convert_charseq_([:], _829878)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_830830, _830832), once(user:catch(read_from_chars([:], _829878), _830812, fail)), '$restore_trace'(_830830, _830832))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_830830, _830832))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _830812, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(:)
   Exit: (202) [system] atomic(:)
^  Exit: (201) [user] classify_and_convert_charseq_([:], :)
   Call: (201) [system] integer(:)
   Fail: (201) [system] integer(:)
   Call: (201) [system] _784150=(:)
   Exit: (201) [system] (:)=(:)
^  Exit: (200) [user] classify_and_convert_charseq([:], :)
^  Exit: (199) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (198) [user] read_list(')', (0x55772f068e50), _842958)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _844816)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _854410)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _857114)
   Exit: (201) [system] peek_char((0x55772f068e50), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _874048)
   Exit: (199) [system] peek_char((0x55772f068e50), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _879618)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _881476)
   Exit: (201) [system] peek_char((0x55772f068e50), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _897486)
   Exit: (200) [system] get_char((0x55772f068e50), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x55772f068e50), _879618)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _903056)
   Exit: (202) [system] peek_char((0x55772f068e50), 'C')
   Call: (202) [system] 'C'=(;)
   Fail: (202) [system] 'C'=(;)
   Call: (202) [system] 'C'=(/)
   Fail: (202) [system] 'C'=(/)
^  Call: (202) [user] is_like_space('C')
   Call: (203) [system] char_type('C', 'white')
   Fail: (203) [system] char_type('C', 'white')
   Call: (203) [system] char_type('C', end_of_line)
   Fail: (203) [system] char_type('C', end_of_line)
   Call: (203) [system] char_type('C', space)
   Fail: (203) [system] char_type('C', space)
   Call: (203) [system] char_type('C', cntrl)
   Fail: (203) [system] char_type('C', cntrl)
^  Fail: (202) [user] is_like_space('C')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _919066)
   Exit: (201) [system] peek_char((0x55772f068e50), 'C')
   Call: (201) [system] 'C'=')'
   Fail: (201) [system] 'C'=')'
   Call: (201) [system] 'C'=end_of_file
   Fail: (201) [system] 'C'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _924636)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _926494)
   Exit: (203) [system] peek_char((0x55772f068e50), 'C')
   Call: (203) [system] 'C'=(;)
   Fail: (203) [system] 'C'=(;)
   Call: (203) [system] 'C'=(/)
   Fail: (203) [system] 'C'=(/)
^  Call: (203) [user] is_like_space('C')
   Call: (204) [system] char_type('C', 'white')
   Fail: (204) [system] char_type('C', 'white')
   Call: (204) [system] char_type('C', end_of_line)
   Fail: (204) [system] char_type('C', end_of_line)
   Call: (204) [system] char_type('C', space)
   Fail: (204) [system] char_type('C', space)
   Call: (204) [system] char_type('C', cntrl)
   Fail: (204) [system] char_type('C', cntrl)
^  Fail: (203) [user] is_like_space('C')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _942504)
   Exit: (202) [system] get_char((0x55772f068e50), 'C')
   Call: (202) [system] 'C'='('
   Fail: (202) [system] 'C'='('
   Call: (202) [system] 'C'='['
   Fail: (202) [system] 'C'='['
   Call: (202) [system] 'C'='{'
   Fail: (202) [system] 'C'='{'
   Call: (202) [system] 'C'='"'
   Fail: (202) [system] 'C'='"'
   Call: (202) [system] 'C'=!
   Fail: (202) [system] 'C'=!
   Call: (202) [system] 'C'='\''
   Fail: (202) [system] 'C'='\''
   Call: (202) [system] 'C'='`'
   Fail: (202) [system] 'C'='`'
   Call: (202) [system] 'C'=end_of_file
   Fail: (202) [system] 'C'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), 'C', _924636)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _960146)
   Call: (204) [system] peek_char((0x55772f068e50), _961080)
   Exit: (204) [system] peek_char((0x55772f068e50), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_965800, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_966732, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x55772f068e50), o)
   Exit: (204) [system] get_char((0x55772f068e50), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _974082)
   Call: (205) [system] peek_char((0x55772f068e50), _975016)
   Exit: (205) [system] peek_char((0x55772f068e50), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_979736, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_980668, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x55772f068e50), n)
   Exit: (205) [system] get_char((0x55772f068e50), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _988018)
   Call: (206) [system] peek_char((0x55772f068e50), _988952)
   Exit: (206) [system] peek_char((0x55772f068e50), j)
^  Call: (206) [user] is_delimiter(j)
   Call: (207) [system] char_type(j, space)
   Fail: (207) [system] char_type(j, space)
   Call: (207) [system] arg(_993672, v('(', ')', end_of_file), j)
   Fail: (207) [system] arg(_994604, v('(', ')', end_of_file), j)
^  Fail: (206) [user] is_delimiter(j)
   Call: (206) [system] ')'==j
   Fail: (206) [system] ')'==j
   Call: (206) [system] get_char((0x55772f068e50), j)
   Exit: (206) [system] get_char((0x55772f068e50), j)
   Call: (206) [system] j=(\)
   Fail: (206) [system] j=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1001954)
   Call: (207) [system] peek_char((0x55772f068e50), _1002888)
   Exit: (207) [system] peek_char((0x55772f068e50), u)
^  Call: (207) [user] is_delimiter(u)
   Call: (208) [system] char_type(u, space)
   Fail: (208) [system] char_type(u, space)
   Call: (208) [system] arg(_1007608, v('(', ')', end_of_file), u)
   Fail: (208) [system] arg(_1008540, v('(', ')', end_of_file), u)
^  Fail: (207) [user] is_delimiter(u)
   Call: (207) [system] ')'==u
   Fail: (207) [system] ')'==u
   Call: (207) [system] get_char((0x55772f068e50), u)
   Exit: (207) [system] get_char((0x55772f068e50), u)
   Call: (207) [system] u=(\)
   Fail: (207) [system] u=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1015890)
   Call: (208) [system] peek_char((0x55772f068e50), _1016824)
   Exit: (208) [system] peek_char((0x55772f068e50), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1021544, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1022476, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x55772f068e50), n)
   Exit: (208) [system] get_char((0x55772f068e50), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1029826)
   Call: (209) [system] peek_char((0x55772f068e50), _1030760)
   Exit: (209) [system] peek_char((0x55772f068e50), c)
^  Call: (209) [user] is_delimiter(c)
   Call: (210) [system] char_type(c, space)
   Fail: (210) [system] char_type(c, space)
   Call: (210) [system] arg(_1035480, v('(', ')', end_of_file), c)
   Fail: (210) [system] arg(_1036412, v('(', ')', end_of_file), c)
^  Fail: (209) [user] is_delimiter(c)
   Call: (209) [system] ')'==c
   Fail: (209) [system] ')'==c
   Call: (209) [system] get_char((0x55772f068e50), c)
   Exit: (209) [system] get_char((0x55772f068e50), c)
   Call: (209) [system] c=(\)
   Fail: (209) [system] c=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1043762)
   Call: (210) [system] peek_char((0x55772f068e50), _1044696)
   Exit: (210) [system] peek_char((0x55772f068e50), t)
^  Call: (210) [user] is_delimiter(t)
   Call: (211) [system] char_type(t, space)
   Fail: (211) [system] char_type(t, space)
   Call: (211) [system] arg(_1049416, v('(', ')', end_of_file), t)
   Fail: (211) [system] arg(_1050348, v('(', ')', end_of_file), t)
^  Fail: (210) [user] is_delimiter(t)
   Call: (210) [system] ')'==t
   Fail: (210) [system] ')'==t
   Call: (210) [system] get_char((0x55772f068e50), t)
   Exit: (210) [system] get_char((0x55772f068e50), t)
   Call: (210) [system] t=(\)
   Fail: (210) [system] t=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1057698)
   Call: (211) [system] peek_char((0x55772f068e50), _1058632)
   Exit: (211) [system] peek_char((0x55772f068e50), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_1063352, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_1064284, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x55772f068e50), i)
   Exit: (211) [system] get_char((0x55772f068e50), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1071634)
   Call: (212) [system] peek_char((0x55772f068e50), _1072568)
   Exit: (212) [system] peek_char((0x55772f068e50), o)
^  Call: (212) [user] is_delimiter(o)
   Call: (213) [system] char_type(o, space)
   Fail: (213) [system] char_type(o, space)
   Call: (213) [system] arg(_1077288, v('(', ')', end_of_file), o)
   Fail: (213) [system] arg(_1078220, v('(', ')', end_of_file), o)
^  Fail: (212) [user] is_delimiter(o)
   Call: (212) [system] ')'==o
   Fail: (212) [system] ')'==o
   Call: (212) [system] get_char((0x55772f068e50), o)
   Exit: (212) [system] get_char((0x55772f068e50), o)
   Call: (212) [system] o=(\)
   Fail: (212) [system] o=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1085570)
   Call: (213) [system] peek_char((0x55772f068e50), _1086504)
   Exit: (213) [system] peek_char((0x55772f068e50), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1091224, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_1092156, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x55772f068e50), n)
   Exit: (213) [system] get_char((0x55772f068e50), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1099506)
   Call: (214) [system] peek_char((0x55772f068e50), _1100440)
   Exit: (214) [system] peek_char((0x55772f068e50), 'I')
^  Call: (214) [user] is_delimiter('I')
   Call: (215) [system] char_type('I', space)
   Fail: (215) [system] char_type('I', space)
   Call: (215) [system] arg(_1105160, v('(', ')', end_of_file), 'I')
   Fail: (215) [system] arg(_1106092, v('(', ')', end_of_file), 'I')
^  Fail: (214) [user] is_delimiter('I')
   Call: (214) [system] ')'=='I'
   Fail: (214) [system] ')'=='I'
   Call: (214) [system] get_char((0x55772f068e50), 'I')
   Exit: (214) [system] get_char((0x55772f068e50), 'I')
   Call: (214) [system] 'I'=(\)
   Fail: (214) [system] 'I'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1113442)
   Call: (215) [system] peek_char((0x55772f068e50), _1114376)
   Exit: (215) [system] peek_char((0x55772f068e50), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1119096, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1120028, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x55772f068e50), n)
   Exit: (215) [system] get_char((0x55772f068e50), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1127378)
   Call: (216) [system] peek_char((0x55772f068e50), _1128312)
   Exit: (216) [system] peek_char((0x55772f068e50), t)
^  Call: (216) [user] is_delimiter(t)
   Call: (217) [system] char_type(t, space)
   Fail: (217) [system] char_type(t, space)
   Call: (217) [system] arg(_1133032, v('(', ')', end_of_file), t)
   Fail: (217) [system] arg(_1133964, v('(', ')', end_of_file), t)
^  Fail: (216) [user] is_delimiter(t)
   Call: (216) [system] ')'==t
   Fail: (216) [system] ')'==t
   Call: (216) [system] get_char((0x55772f068e50), t)
   Exit: (216) [system] get_char((0x55772f068e50), t)
   Call: (216) [system] t=(\)
   Fail: (216) [system] t=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1141314)
   Call: (217) [system] peek_char((0x55772f068e50), _1142248)
   Exit: (217) [system] peek_char((0x55772f068e50), r)
^  Call: (217) [user] is_delimiter(r)
   Call: (218) [system] char_type(r, space)
   Fail: (218) [system] char_type(r, space)
   Call: (218) [system] arg(_1146968, v('(', ')', end_of_file), r)
   Fail: (218) [system] arg(_1147900, v('(', ')', end_of_file), r)
^  Fail: (217) [user] is_delimiter(r)
   Call: (217) [system] ')'==r
   Fail: (217) [system] ')'==r
   Call: (217) [system] get_char((0x55772f068e50), r)
   Exit: (217) [system] get_char((0x55772f068e50), r)
   Call: (217) [system] r=(\)
   Fail: (217) [system] r=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1155250)
   Call: (218) [system] peek_char((0x55772f068e50), _1156184)
   Exit: (218) [system] peek_char((0x55772f068e50), o)
^  Call: (218) [user] is_delimiter(o)
   Call: (219) [system] char_type(o, space)
   Fail: (219) [system] char_type(o, space)
   Call: (219) [system] arg(_1160904, v('(', ')', end_of_file), o)
   Fail: (219) [system] arg(_1161836, v('(', ')', end_of_file), o)
^  Fail: (218) [user] is_delimiter(o)
   Call: (218) [system] ')'==o
   Fail: (218) [system] ')'==o
   Call: (218) [system] get_char((0x55772f068e50), o)
   Exit: (218) [system] get_char((0x55772f068e50), o)
   Call: (218) [system] o=(\)
   Fail: (218) [system] o=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1169186)
   Call: (219) [system] peek_char((0x55772f068e50), _1170120)
   Exit: (219) [system] peek_char((0x55772f068e50), d)
^  Call: (219) [user] is_delimiter(d)
   Call: (220) [system] char_type(d, space)
   Fail: (220) [system] char_type(d, space)
   Call: (220) [system] arg(_1174840, v('(', ')', end_of_file), d)
   Fail: (220) [system] arg(_1175772, v('(', ')', end_of_file), d)
^  Fail: (219) [user] is_delimiter(d)
   Call: (219) [system] ')'==d
   Fail: (219) [system] ')'==d
   Call: (219) [system] get_char((0x55772f068e50), d)
   Exit: (219) [system] get_char((0x55772f068e50), d)
   Call: (219) [system] d=(\)
   Fail: (219) [system] d=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1183122)
   Call: (220) [system] peek_char((0x55772f068e50), _1184056)
   Exit: (220) [system] peek_char((0x55772f068e50), u)
^  Call: (220) [user] is_delimiter(u)
   Call: (221) [system] char_type(u, space)
   Fail: (221) [system] char_type(u, space)
   Call: (221) [system] arg(_1188776, v('(', ')', end_of_file), u)
   Fail: (221) [system] arg(_1189708, v('(', ')', end_of_file), u)
^  Fail: (220) [user] is_delimiter(u)
   Call: (220) [system] ')'==u
   Fail: (220) [system] ')'==u
   Call: (220) [system] get_char((0x55772f068e50), u)
   Exit: (220) [system] get_char((0x55772f068e50), u)
   Call: (220) [system] u=(\)
   Fail: (220) [system] u=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1197058)
   Call: (221) [system] peek_char((0x55772f068e50), _1197992)
   Exit: (221) [system] peek_char((0x55772f068e50), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Fail: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_1202712, v('(', ')', end_of_file), c)
   Fail: (222) [system] arg(_1203644, v('(', ')', end_of_file), c)
^  Fail: (221) [user] is_delimiter(c)
   Call: (221) [system] ')'==c
   Fail: (221) [system] ')'==c
   Call: (221) [system] get_char((0x55772f068e50), c)
   Exit: (221) [system] get_char((0x55772f068e50), c)
   Call: (221) [system] c=(\)
   Fail: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1210994)
   Call: (222) [system] peek_char((0x55772f068e50), _1211928)
   Exit: (222) [system] peek_char((0x55772f068e50), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_1216648, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_1217580, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x55772f068e50), t)
   Exit: (222) [system] get_char((0x55772f068e50), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1224930)
   Call: (223) [system] peek_char((0x55772f068e50), _1225864)
   Exit: (223) [system] peek_char((0x55772f068e50), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_1230584, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_1231516, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x55772f068e50), i)
   Exit: (223) [system] get_char((0x55772f068e50), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1238866)
   Call: (224) [system] peek_char((0x55772f068e50), _1239800)
   Exit: (224) [system] peek_char((0x55772f068e50), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_1244520, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_1245452, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x55772f068e50), o)
   Exit: (224) [system] get_char((0x55772f068e50), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1252802)
   Call: (225) [system] peek_char((0x55772f068e50), _1253736)
   Exit: (225) [system] peek_char((0x55772f068e50), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1258456, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_1259388, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x55772f068e50), n)
   Exit: (225) [system] get_char((0x55772f068e50), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1266738)
   Call: (226) [system] peek_char((0x55772f068e50), _1267672)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1266738=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (225) [system] _1252802=[n]
   Exit: (225) [system] [n]=[n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (224) [system] _1238866=[o, n]
   Exit: (224) [system] [o, n]=[o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (223) [system] _1224930=[i, o, n]
   Exit: (223) [system] [i, o, n]=[i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (222) [system] _1210994=[t, i, o, n]
   Exit: (222) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (221) [system] _1197058=[c, t, i, o, n]
   Exit: (221) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (220) [system] _1183122=[u, c, t, i, o, n]
   Exit: (220) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (219) [system] _1169186=[d, u, c, t, i, o, n]
   Exit: (219) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (218) [system] _1155250=[o, d, u, c, t, i, o, n]
   Exit: (218) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (217) [system] _1141314=[r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1127378=[t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1113442=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1099506=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1085570=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1071634=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1057698=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1043762=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1029826=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _1015890=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _1001954=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _988018=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _974082=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (204) [system] _960146=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (204) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (203) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _924636)
^  Call: (204) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1338424)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1339376, _1339378), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1338424), _1339358, fail)), '$restore_trace'(_1339376, _1339378))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1339376, _1339378))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1338424), _1339358, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_1338424)
   Fail: (205) [system] atomic(_1338424)
   Call: (205) [system] atom_chars(_1338424, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (205) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (204) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (204) [system] integer('ConjunctionIntroduction')
   Fail: (204) [system] integer('ConjunctionIntroduction')
   Call: (204) [system] _924636='ConjunctionIntroduction'
   Exit: (204) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (203) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), 'C', 'ConjunctionIntroduction')
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), 'ConjunctionIntroduction')
^  Call: (201) [user] read_list(')', (0x55772f068e50), _1353374)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1355232)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _1364826)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1367530)
   Exit: (204) [system] peek_char((0x55772f068e50), a)
   Call: (204) [system] a=(;)
   Fail: (204) [system] a=(;)
   Call: (204) [system] a=(/)
   Fail: (204) [system] a=(/)
^  Call: (204) [user] is_like_space(a)
   Call: (205) [system] char_type(a, 'white')
   Fail: (205) [system] char_type(a, 'white')
   Call: (205) [system] char_type(a, end_of_line)
   Fail: (205) [system] char_type(a, end_of_line)
   Call: (205) [system] char_type(a, space)
   Fail: (205) [system] char_type(a, space)
   Call: (205) [system] char_type(a, cntrl)
   Fail: (205) [system] char_type(a, cntrl)
^  Fail: (204) [user] is_like_space(a)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1384464)
   Exit: (202) [system] peek_char((0x55772f068e50), a)
   Call: (202) [system] a=')'
   Fail: (202) [system] a=')'
   Call: (202) [system] a=end_of_file
   Fail: (202) [system] a=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x55772f068e50), _1390034)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1391892)
   Exit: (204) [system] peek_char((0x55772f068e50), a)
   Call: (204) [system] a=(;)
   Fail: (204) [system] a=(;)
   Call: (204) [system] a=(/)
   Fail: (204) [system] a=(/)
^  Call: (204) [user] is_like_space(a)
   Call: (205) [system] char_type(a, 'white')
   Fail: (205) [system] char_type(a, 'white')
   Call: (205) [system] char_type(a, end_of_line)
   Fail: (205) [system] char_type(a, end_of_line)
   Call: (205) [system] char_type(a, space)
   Fail: (205) [system] char_type(a, space)
   Call: (205) [system] char_type(a, cntrl)
   Fail: (205) [system] char_type(a, cntrl)
^  Fail: (204) [user] is_like_space(a)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] get_char((0x55772f068e50), _1407902)
   Exit: (203) [system] get_char((0x55772f068e50), a)
   Call: (203) [system] a='('
   Fail: (203) [system] a='('
   Call: (203) [system] a='['
   Fail: (203) [system] a='['
   Call: (203) [system] a='{'
   Fail: (203) [system] a='{'
   Call: (203) [system] a='"'
   Fail: (203) [system] a='"'
   Call: (203) [system] a=!
   Fail: (203) [system] a=!
   Call: (203) [system] a='\''
   Fail: (203) [system] a='\''
   Call: (203) [system] a='`'
   Fail: (203) [system] a='`'
   Call: (203) [system] a=end_of_file
   Fail: (203) [system] a=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x55772f068e50), a, _1390034)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1425544)
   Call: (205) [system] peek_char((0x55772f068e50), _1426478)
   Exit: (205) [system] peek_char((0x55772f068e50), b)
^  Call: (205) [user] is_delimiter(b)
   Call: (206) [system] char_type(b, space)
   Fail: (206) [system] char_type(b, space)
   Call: (206) [system] arg(_1431198, v('(', ')', end_of_file), b)
   Fail: (206) [system] arg(_1432130, v('(', ')', end_of_file), b)
^  Fail: (205) [user] is_delimiter(b)
   Call: (205) [system] ')'==b
   Fail: (205) [system] ')'==b
   Call: (205) [system] get_char((0x55772f068e50), b)
   Exit: (205) [system] get_char((0x55772f068e50), b)
   Call: (205) [system] b=(\)
   Fail: (205) [system] b=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1439480)
   Call: (206) [system] peek_char((0x55772f068e50), _1440414)
   Exit: (206) [system] peek_char((0x55772f068e50), c)
^  Call: (206) [user] is_delimiter(c)
   Call: (207) [system] char_type(c, space)
   Fail: (207) [system] char_type(c, space)
   Call: (207) [system] arg(_1445134, v('(', ')', end_of_file), c)
   Fail: (207) [system] arg(_1446066, v('(', ')', end_of_file), c)
^  Fail: (206) [user] is_delimiter(c)
   Call: (206) [system] ')'==c
   Fail: (206) [system] ')'==c
   Call: (206) [system] get_char((0x55772f068e50), c)
   Exit: (206) [system] get_char((0x55772f068e50), c)
   Call: (206) [system] c=(\)
   Fail: (206) [system] c=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1453416)
   Call: (207) [system] peek_char((0x55772f068e50), _1454350)
   Exit: (207) [system] peek_char((0x55772f068e50), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1453416=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (206) [system] _1439480=[c]
   Exit: (206) [system] [c]=[c]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (205) [system] _1425544=[b, c]
   Exit: (205) [system] [b, c]=[b, c]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (204) [user] classify_and_convert_charseq([a, b, c], _1390034)
^  Call: (205) [user] classify_and_convert_charseq_([a, b, c], _1469222)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1470174, _1470176), once(user:catch(read_from_chars([a, b, c], _1469222), _1470156, fail)), '$restore_trace'(_1470174, _1470176))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1470174, _1470176))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1470156, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(abc)
   Exit: (206) [system] atomic(abc)
^  Exit: (205) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (205) [system] integer(abc)
   Fail: (205) [system] integer(abc)
   Call: (205) [system] _1390034=abc
   Exit: (205) [system] abc=abc
^  Exit: (204) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (203) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (202) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (202) [user] read_list(')', (0x55772f068e50), _1482302)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1484160)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x55772f068e50), _1493754)
   Exit: (204) [system] get_char((0x55772f068e50), ' ')
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1496458)
   Exit: (205) [system] peek_char((0x55772f068e50), a)
   Call: (205) [system] a=(;)
   Fail: (205) [system] a=(;)
   Call: (205) [system] a=(/)
   Fail: (205) [system] a=(/)
^  Call: (205) [user] is_like_space(a)
   Call: (206) [system] char_type(a, 'white')
   Fail: (206) [system] char_type(a, 'white')
   Call: (206) [system] char_type(a, end_of_line)
   Fail: (206) [system] char_type(a, end_of_line)
   Call: (206) [system] char_type(a, space)
   Fail: (206) [system] char_type(a, space)
   Call: (206) [system] char_type(a, cntrl)
   Fail: (206) [system] char_type(a, cntrl)
^  Fail: (205) [user] is_like_space(a)
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1513392)
   Exit: (203) [system] peek_char((0x55772f068e50), a)
   Call: (203) [system] a=')'
   Fail: (203) [system] a=')'
   Call: (203) [system] a=end_of_file
   Fail: (203) [system] a=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x55772f068e50), _1518962)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1520820)
   Exit: (205) [system] peek_char((0x55772f068e50), a)
   Call: (205) [system] a=(;)
   Fail: (205) [system] a=(;)
   Call: (205) [system] a=(/)
   Fail: (205) [system] a=(/)
^  Call: (205) [user] is_like_space(a)
   Call: (206) [system] char_type(a, 'white')
   Fail: (206) [system] char_type(a, 'white')
   Call: (206) [system] char_type(a, end_of_line)
   Fail: (206) [system] char_type(a, end_of_line)
   Call: (206) [system] char_type(a, space)
   Fail: (206) [system] char_type(a, space)
   Call: (206) [system] char_type(a, cntrl)
   Fail: (206) [system] char_type(a, cntrl)
^  Fail: (205) [user] is_like_space(a)
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] get_char((0x55772f068e50), _1536830)
   Exit: (204) [system] get_char((0x55772f068e50), a)
   Call: (204) [system] a='('
   Fail: (204) [system] a='('
   Call: (204) [system] a='['
   Fail: (204) [system] a='['
   Call: (204) [system] a='{'
   Fail: (204) [system] a='{'
   Call: (204) [system] a='"'
   Fail: (204) [system] a='"'
   Call: (204) [system] a=!
   Fail: (204) [system] a=!
   Call: (204) [system] a='\''
   Fail: (204) [system] a='\''
   Call: (204) [system] a='`'
   Fail: (204) [system] a='`'
   Call: (204) [system] a=end_of_file
   Fail: (204) [system] a=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x55772f068e50), a, _1518962)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1554472)
   Call: (206) [system] peek_char((0x55772f068e50), _1555406)
   Exit: (206) [system] peek_char((0x55772f068e50), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_1560126, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _1554472=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (205) [user] classify_and_convert_charseq([a], _1518962)
^  Call: (206) [user] classify_and_convert_charseq_([a], _1566562)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1567514, _1567516), once(user:catch(read_from_chars([a], _1566562), _1567496, fail)), '$restore_trace'(_1567514, _1567516))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1567514, _1567516))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1567496, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(a)
   Exit: (207) [system] atomic(a)
^  Exit: (206) [user] classify_and_convert_charseq_([a], a)
   Call: (206) [system] integer(a)
   Fail: (206) [system] integer(a)
   Call: (206) [system] _1518962=a
   Exit: (206) [system] a=a
^  Exit: (205) [user] classify_and_convert_charseq([a], a)
^  Exit: (204) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (203) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (203) [user] read_list(')', (0x55772f068e50), _1579642)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1581500)
   Exit: (205) [system] peek_char((0x55772f068e50), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1597510)
   Exit: (204) [system] peek_char((0x55772f068e50), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x55772f068e50), _1601300)
   Exit: (204) [system] get_char((0x55772f068e50), ')')
   Call: (204) [system] _1579642=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x55772f068e50), [])
   Call: (203) [system] _1482302=[a]
   Exit: (203) [system] [a]=[a]
^  Exit: (202) [user] read_list(')', (0x55772f068e50), [a])
   Call: (202) [system] _1353374=[abc, a]
   Exit: (202) [system] [abc, a]=[abc, a]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [abc, a])
   Call: (201) [system] _879618=['ConjunctionIntroduction', abc, a]
   Exit: (201) [system] ['ConjunctionIntroduction', abc, a]=['ConjunctionIntroduction', abc, a]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), ['ConjunctionIntroduction', abc, a])
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), ['ConjunctionIntroduction', abc, a])
^  Call: (199) [user] read_list(')', (0x55772f068e50), _1615182)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1617040)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _1626634)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1629338)
   Exit: (202) [system] peek_char((0x55772f068e50), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1646272)
   Exit: (200) [system] peek_char((0x55772f068e50), '(')
   Call: (200) [system] '('=')'
   Fail: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
   Fail: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _1651842)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1653700)
   Exit: (202) [system] peek_char((0x55772f068e50), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _1669710)
   Exit: (201) [system] get_char((0x55772f068e50), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x55772f068e50), _1651842)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1675280)
   Exit: (203) [system] peek_char((0x55772f068e50), 'A')
   Call: (203) [system] 'A'=(;)
   Fail: (203) [system] 'A'=(;)
   Call: (203) [system] 'A'=(/)
   Fail: (203) [system] 'A'=(/)
^  Call: (203) [user] is_like_space('A')
   Call: (204) [system] char_type('A', 'white')
   Fail: (204) [system] char_type('A', 'white')
   Call: (204) [system] char_type('A', end_of_line)
   Fail: (204) [system] char_type('A', end_of_line)
   Call: (204) [system] char_type('A', space)
   Fail: (204) [system] char_type('A', space)
   Call: (204) [system] char_type('A', cntrl)
   Fail: (204) [system] char_type('A', cntrl)
^  Fail: (203) [user] is_like_space('A')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1691290)
   Exit: (202) [system] peek_char((0x55772f068e50), 'A')
   Call: (202) [system] 'A'=')'
   Fail: (202) [system] 'A'=')'
   Call: (202) [system] 'A'=end_of_file
   Fail: (202) [system] 'A'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x55772f068e50), _1696860)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1698718)
   Exit: (204) [system] peek_char((0x55772f068e50), 'A')
   Call: (204) [system] 'A'=(;)
   Fail: (204) [system] 'A'=(;)
   Call: (204) [system] 'A'=(/)
   Fail: (204) [system] 'A'=(/)
^  Call: (204) [user] is_like_space('A')
   Call: (205) [system] char_type('A', 'white')
   Fail: (205) [system] char_type('A', 'white')
   Call: (205) [system] char_type('A', end_of_line)
   Fail: (205) [system] char_type('A', end_of_line)
   Call: (205) [system] char_type('A', space)
   Fail: (205) [system] char_type('A', space)
   Call: (205) [system] char_type('A', cntrl)
   Fail: (205) [system] char_type('A', cntrl)
^  Fail: (204) [user] is_like_space('A')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] get_char((0x55772f068e50), _1714728)
   Exit: (203) [system] get_char((0x55772f068e50), 'A')
   Call: (203) [system] 'A'='('
   Fail: (203) [system] 'A'='('
   Call: (203) [system] 'A'='['
   Fail: (203) [system] 'A'='['
   Call: (203) [system] 'A'='{'
   Fail: (203) [system] 'A'='{'
   Call: (203) [system] 'A'='"'
   Fail: (203) [system] 'A'='"'
   Call: (203) [system] 'A'=!
   Fail: (203) [system] 'A'=!
   Call: (203) [system] 'A'='\''
   Fail: (203) [system] 'A'='\''
   Call: (203) [system] 'A'='`'
   Fail: (203) [system] 'A'='`'
   Call: (203) [system] 'A'=end_of_file
   Fail: (203) [system] 'A'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x55772f068e50), 'A', _1696860)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1732370)
   Call: (205) [system] peek_char((0x55772f068e50), _1733304)
   Exit: (205) [system] peek_char((0x55772f068e50), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1738024, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_1738956, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x55772f068e50), n)
   Exit: (205) [system] get_char((0x55772f068e50), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1746306)
   Call: (206) [system] peek_char((0x55772f068e50), _1747240)
   Exit: (206) [system] peek_char((0x55772f068e50), d)
^  Call: (206) [user] is_delimiter(d)
   Call: (207) [system] char_type(d, space)
   Fail: (207) [system] char_type(d, space)
   Call: (207) [system] arg(_1751960, v('(', ')', end_of_file), d)
   Fail: (207) [system] arg(_1752892, v('(', ')', end_of_file), d)
^  Fail: (206) [user] is_delimiter(d)
   Call: (206) [system] ')'==d
   Fail: (206) [system] ')'==d
   Call: (206) [system] get_char((0x55772f068e50), d)
   Exit: (206) [system] get_char((0x55772f068e50), d)
   Call: (206) [system] d=(\)
   Fail: (206) [system] d=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1760242)
   Call: (207) [system] peek_char((0x55772f068e50), _1761176)
   Exit: (207) [system] peek_char((0x55772f068e50), 'L')
^  Call: (207) [user] is_delimiter('L')
   Call: (208) [system] char_type('L', space)
   Fail: (208) [system] char_type('L', space)
   Call: (208) [system] arg(_1765896, v('(', ')', end_of_file), 'L')
   Fail: (208) [system] arg(_1766828, v('(', ')', end_of_file), 'L')
^  Fail: (207) [user] is_delimiter('L')
   Call: (207) [system] ')'=='L'
   Fail: (207) [system] ')'=='L'
   Call: (207) [system] get_char((0x55772f068e50), 'L')
   Exit: (207) [system] get_char((0x55772f068e50), 'L')
   Call: (207) [system] 'L'=(\)
   Fail: (207) [system] 'L'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1774178)
   Call: (208) [system] peek_char((0x55772f068e50), _1775112)
   Exit: (208) [system] peek_char((0x55772f068e50), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1779832, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1780764, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x55772f068e50), i)
   Exit: (208) [system] get_char((0x55772f068e50), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1788114)
   Call: (209) [system] peek_char((0x55772f068e50), _1789048)
   Exit: (209) [system] peek_char((0x55772f068e50), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_1793768, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_1794700, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x55772f068e50), n)
   Exit: (209) [system] get_char((0x55772f068e50), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1802050)
   Call: (210) [system] peek_char((0x55772f068e50), _1802984)
   Exit: (210) [system] peek_char((0x55772f068e50), k)
^  Call: (210) [user] is_delimiter(k)
   Call: (211) [system] char_type(k, space)
   Fail: (211) [system] char_type(k, space)
   Call: (211) [system] arg(_1807704, v('(', ')', end_of_file), k)
   Fail: (211) [system] arg(_1808636, v('(', ')', end_of_file), k)
^  Fail: (210) [user] is_delimiter(k)
   Call: (210) [system] ')'==k
   Fail: (210) [system] ')'==k
   Call: (210) [system] get_char((0x55772f068e50), k)
   Exit: (210) [system] get_char((0x55772f068e50), k)
   Call: (210) [system] k=(\)
   Fail: (210) [system] k=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1815986)
   Call: (211) [system] peek_char((0x55772f068e50), _1816920)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1815986=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (210) [system] _1802050=[k]
   Exit: (210) [system] [k]=[k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (209) [system] _1788114=[n, k]
   Exit: (209) [system] [n, k]=[n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (208) [system] _1774178=[i, n, k]
   Exit: (208) [system] [i, n, k]=[i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (207) [system] _1760242=['L', i, n, k]
   Exit: (207) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (206) [system] _1746306=[d, 'L', i, n, k]
   Exit: (206) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (205) [system] _1732370=[n, d, 'L', i, n, k]
   Exit: (205) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (204) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1696860)
^  Call: (205) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1842968)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1843920, _1843922), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1842968), _1843902, fail)), '$restore_trace'(_1843920, _1843922))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1843920, _1843922))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1842968), _1843902, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_1842968)
   Fail: (206) [system] atomic(_1842968)
   Call: (206) [system] atom_chars(_1842968, ['A', n, d, 'L', i, n, k])
   Exit: (206) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (205) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (205) [system] integer('AndLink')
   Fail: (205) [system] integer('AndLink')
   Call: (205) [system] _1696860='AndLink'
   Exit: (205) [system] 'AndLink'='AndLink'
^  Exit: (204) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (203) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (202) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (202) [user] read_list(')', (0x55772f068e50), _1857918)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1859776)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x55772f068e50), _1869370)
   Exit: (204) [system] get_char((0x55772f068e50), ' ')
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1872074)
   Exit: (205) [system] peek_char((0x55772f068e50), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1889008)
   Exit: (203) [system] peek_char((0x55772f068e50), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x55772f068e50), _1894578)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1896436)
   Exit: (205) [system] peek_char((0x55772f068e50), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] get_char((0x55772f068e50), _1912446)
   Exit: (204) [system] get_char((0x55772f068e50), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x55772f068e50), _1894578)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1918016)
   Exit: (206) [system] peek_char((0x55772f068e50), 'I')
   Call: (206) [system] 'I'=(;)
   Fail: (206) [system] 'I'=(;)
   Call: (206) [system] 'I'=(/)
   Fail: (206) [system] 'I'=(/)
^  Call: (206) [user] is_like_space('I')
   Call: (207) [system] char_type('I', 'white')
   Fail: (207) [system] char_type('I', 'white')
   Call: (207) [system] char_type('I', end_of_line)
   Fail: (207) [system] char_type('I', end_of_line)
   Call: (207) [system] char_type('I', space)
   Fail: (207) [system] char_type('I', space)
   Call: (207) [system] char_type('I', cntrl)
   Fail: (207) [system] char_type('I', cntrl)
^  Fail: (206) [user] is_like_space('I')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1934026)
   Exit: (205) [system] peek_char((0x55772f068e50), 'I')
   Call: (205) [system] 'I'=')'
   Fail: (205) [system] 'I'=')'
   Call: (205) [system] 'I'=end_of_file
   Fail: (205) [system] 'I'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x55772f068e50), _1939596)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1941454)
   Exit: (207) [system] peek_char((0x55772f068e50), 'I')
   Call: (207) [system] 'I'=(;)
   Fail: (207) [system] 'I'=(;)
   Call: (207) [system] 'I'=(/)
   Fail: (207) [system] 'I'=(/)
^  Call: (207) [user] is_like_space('I')
   Call: (208) [system] char_type('I', 'white')
   Fail: (208) [system] char_type('I', 'white')
   Call: (208) [system] char_type('I', end_of_line)
   Fail: (208) [system] char_type('I', end_of_line)
   Call: (208) [system] char_type('I', space)
   Fail: (208) [system] char_type('I', space)
   Call: (208) [system] char_type('I', cntrl)
   Fail: (208) [system] char_type('I', cntrl)
^  Fail: (207) [user] is_like_space('I')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] get_char((0x55772f068e50), _1957464)
   Exit: (206) [system] get_char((0x55772f068e50), 'I')
   Call: (206) [system] 'I'='('
   Fail: (206) [system] 'I'='('
   Call: (206) [system] 'I'='['
   Fail: (206) [system] 'I'='['
   Call: (206) [system] 'I'='{'
   Fail: (206) [system] 'I'='{'
   Call: (206) [system] 'I'='"'
   Fail: (206) [system] 'I'='"'
   Call: (206) [system] 'I'=!
   Fail: (206) [system] 'I'=!
   Call: (206) [system] 'I'='\''
   Fail: (206) [system] 'I'='\''
   Call: (206) [system] 'I'='`'
   Fail: (206) [system] 'I'='`'
   Call: (206) [system] 'I'=end_of_file
   Fail: (206) [system] 'I'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x55772f068e50), 'I', _1939596)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1975106)
   Call: (208) [system] peek_char((0x55772f068e50), _1976040)
   Exit: (208) [system] peek_char((0x55772f068e50), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_1980760, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_1981692, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x55772f068e50), m)
   Exit: (208) [system] get_char((0x55772f068e50), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1989042)
   Call: (209) [system] peek_char((0x55772f068e50), _1989976)
   Exit: (209) [system] peek_char((0x55772f068e50), p)
^  Call: (209) [user] is_delimiter(p)
   Call: (210) [system] char_type(p, space)
   Fail: (210) [system] char_type(p, space)
   Call: (210) [system] arg(_1994696, v('(', ')', end_of_file), p)
   Fail: (210) [system] arg(_1995628, v('(', ')', end_of_file), p)
^  Fail: (209) [user] is_delimiter(p)
   Call: (209) [system] ')'==p
   Fail: (209) [system] ')'==p
   Call: (209) [system] get_char((0x55772f068e50), p)
   Exit: (209) [system] get_char((0x55772f068e50), p)
   Call: (209) [system] p=(\)
   Fail: (209) [system] p=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _2002978)
   Call: (210) [system] peek_char((0x55772f068e50), _2003912)
   Exit: (210) [system] peek_char((0x55772f068e50), l)
^  Call: (210) [user] is_delimiter(l)
   Call: (211) [system] char_type(l, space)
   Fail: (211) [system] char_type(l, space)
   Call: (211) [system] arg(_2008632, v('(', ')', end_of_file), l)
   Fail: (211) [system] arg(_2009564, v('(', ')', end_of_file), l)
^  Fail: (210) [user] is_delimiter(l)
   Call: (210) [system] ')'==l
   Fail: (210) [system] ')'==l
   Call: (210) [system] get_char((0x55772f068e50), l)
   Exit: (210) [system] get_char((0x55772f068e50), l)
   Call: (210) [system] l=(\)
   Fail: (210) [system] l=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _2016914)
   Call: (211) [system] peek_char((0x55772f068e50), _2017848)
   Exit: (211) [system] peek_char((0x55772f068e50), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_2022568, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_2023500, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x55772f068e50), i)
   Exit: (211) [system] get_char((0x55772f068e50), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _2030850)
   Call: (212) [system] peek_char((0x55772f068e50), _2031784)
   Exit: (212) [system] peek_char((0x55772f068e50), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_2036504, v('(', ')', end_of_file), c)
   Fail: (213) [system] arg(_2037436, v('(', ')', end_of_file), c)
^  Fail: (212) [user] is_delimiter(c)
   Call: (212) [system] ')'==c
   Fail: (212) [system] ')'==c
   Call: (212) [system] get_char((0x55772f068e50), c)
   Exit: (212) [system] get_char((0x55772f068e50), c)
   Call: (212) [system] c=(\)
   Fail: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _2044786)
   Call: (213) [system] peek_char((0x55772f068e50), _2045720)
   Exit: (213) [system] peek_char((0x55772f068e50), a)
^  Call: (213) [user] is_delimiter(a)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] arg(_2050440, v('(', ')', end_of_file), a)
   Fail: (214) [system] arg(_2051372, v('(', ')', end_of_file), a)
^  Fail: (213) [user] is_delimiter(a)
   Call: (213) [system] ')'==a
   Fail: (213) [system] ')'==a
   Call: (213) [system] get_char((0x55772f068e50), a)
   Exit: (213) [system] get_char((0x55772f068e50), a)
   Call: (213) [system] a=(\)
   Fail: (213) [system] a=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _2058722)
   Call: (214) [system] peek_char((0x55772f068e50), _2059656)
   Exit: (214) [system] peek_char((0x55772f068e50), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Fail: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_2064376, v('(', ')', end_of_file), t)
   Fail: (215) [system] arg(_2065308, v('(', ')', end_of_file), t)
^  Fail: (214) [user] is_delimiter(t)
   Call: (214) [system] ')'==t
   Fail: (214) [system] ')'==t
   Call: (214) [system] get_char((0x55772f068e50), t)
   Exit: (214) [system] get_char((0x55772f068e50), t)
   Call: (214) [system] t=(\)
   Fail: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _2072658)
   Call: (215) [system] peek_char((0x55772f068e50), _2073592)
   Exit: (215) [system] peek_char((0x55772f068e50), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_2078312, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_2079244, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x55772f068e50), i)
   Exit: (215) [system] get_char((0x55772f068e50), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _2086594)
   Call: (216) [system] peek_char((0x55772f068e50), _2087528)
   Exit: (216) [system] peek_char((0x55772f068e50), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Fail: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_2092248, v('(', ')', end_of_file), o)
   Fail: (217) [system] arg(_2093180, v('(', ')', end_of_file), o)
^  Fail: (216) [user] is_delimiter(o)
   Call: (216) [system] ')'==o
   Fail: (216) [system] ')'==o
   Call: (216) [system] get_char((0x55772f068e50), o)
   Exit: (216) [system] get_char((0x55772f068e50), o)
   Call: (216) [system] o=(\)
   Fail: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _7634)
   Call: (217) [system] peek_char((0x55772f068e50), _8568)
   Exit: (217) [system] peek_char((0x55772f068e50), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_13288, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_14220, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x55772f068e50), n)
   Exit: (217) [system] get_char((0x55772f068e50), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _21570)
   Call: (218) [system] peek_char((0x55772f068e50), _22504)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _21570=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (217) [system] _7634=[n]
   Exit: (217) [system] [n]=[n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (216) [system] _3976=[o, n]
   Exit: (216) [system] [o, n]=[o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (215) [system] _3972=[i, o, n]
   Exit: (215) [system] [i, o, n]=[i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (214) [system] _3968=[t, i, o, n]
   Exit: (214) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (213) [system] _3964=[a, t, i, o, n]
   Exit: (213) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (212) [system] _3960=[c, a, t, i, o, n]
   Exit: (212) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (211) [system] _3956=[i, c, a, t, i, o, n]
   Exit: (211) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (210) [system] _3952=[l, i, c, a, t, i, o, n]
   Exit: (210) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (209) [system] _3948=[p, l, i, c, a, t, i, o, n]
   Exit: (209) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (208) [system] _3944=[m, p, l, i, c, a, t, i, o, n]
   Exit: (208) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (207) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _3940)
^  Call: (208) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _59728)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_60680, _60682), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _59728), _60662, fail)), '$restore_trace'(_60680, _60682))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_60680, _60682))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _59728), _60662, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_59728)
   Fail: (209) [system] atomic(_59728)
   Call: (209) [system] atom_chars(_59728, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (209) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (208) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (208) [system] integer('Implication')
   Fail: (208) [system] integer('Implication')
   Call: (208) [system] _3940='Implication'
   Exit: (208) [system] 'Implication'='Implication'
^  Exit: (207) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (206) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (205) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (205) [user] read_list(')', (0x55772f068e50), _74678)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _76536)
   Exit: (207) [system] peek_char((0x55772f068e50), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x55772f068e50), _86130)
   Exit: (207) [system] get_char((0x55772f068e50), ' ')
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _88834)
   Exit: (208) [system] peek_char((0x55772f068e50), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _105768)
   Exit: (206) [system] peek_char((0x55772f068e50), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x55772f068e50), _111338)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _113196)
   Exit: (208) [system] peek_char((0x55772f068e50), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] get_char((0x55772f068e50), _129206)
   Exit: (207) [system] get_char((0x55772f068e50), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x55772f068e50), _111338)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _134776)
   Exit: (209) [system] peek_char((0x55772f068e50), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _150786)
   Exit: (208) [system] peek_char((0x55772f068e50), 'A')
   Call: (208) [system] 'A'=')'
   Fail: (208) [system] 'A'=')'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x55772f068e50), _156356)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _158214)
   Exit: (210) [system] peek_char((0x55772f068e50), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
   Call: (210) [system] 'A'=(/)
   Fail: (210) [system] 'A'=(/)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] get_char((0x55772f068e50), _174224)
   Exit: (209) [system] get_char((0x55772f068e50), 'A')
   Call: (209) [system] 'A'='('
   Fail: (209) [system] 'A'='('
   Call: (209) [system] 'A'='['
   Fail: (209) [system] 'A'='['
   Call: (209) [system] 'A'='{'
   Fail: (209) [system] 'A'='{'
   Call: (209) [system] 'A'='"'
   Fail: (209) [system] 'A'='"'
   Call: (209) [system] 'A'=!
   Fail: (209) [system] 'A'=!
   Call: (209) [system] 'A'='\''
   Fail: (209) [system] 'A'='\''
   Call: (209) [system] 'A'='`'
   Fail: (209) [system] 'A'='`'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x55772f068e50), 'A', _156356)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _191866)
   Call: (211) [system] peek_char((0x55772f068e50), _192800)
   Exit: (211) [system] peek_char((0x55772f068e50), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_197520, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_198452, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x55772f068e50), n)
   Exit: (211) [system] get_char((0x55772f068e50), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _205802)
   Call: (212) [system] peek_char((0x55772f068e50), _206736)
   Exit: (212) [system] peek_char((0x55772f068e50), d)
^  Call: (212) [user] is_delimiter(d)
   Call: (213) [system] char_type(d, space)
   Fail: (213) [system] char_type(d, space)
   Call: (213) [system] arg(_211456, v('(', ')', end_of_file), d)
   Fail: (213) [system] arg(_212388, v('(', ')', end_of_file), d)
^  Fail: (212) [user] is_delimiter(d)
   Call: (212) [system] ')'==d
   Fail: (212) [system] ')'==d
   Call: (212) [system] get_char((0x55772f068e50), d)
   Exit: (212) [system] get_char((0x55772f068e50), d)
   Call: (212) [system] d=(\)
   Fail: (212) [system] d=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _219738)
   Call: (213) [system] peek_char((0x55772f068e50), _220672)
   Exit: (213) [system] peek_char((0x55772f068e50), 'L')
^  Call: (213) [user] is_delimiter('L')
   Call: (214) [system] char_type('L', space)
   Fail: (214) [system] char_type('L', space)
   Call: (214) [system] arg(_225392, v('(', ')', end_of_file), 'L')
   Fail: (214) [system] arg(_226324, v('(', ')', end_of_file), 'L')
^  Fail: (213) [user] is_delimiter('L')
   Call: (213) [system] ')'=='L'
   Fail: (213) [system] ')'=='L'
   Call: (213) [system] get_char((0x55772f068e50), 'L')
   Exit: (213) [system] get_char((0x55772f068e50), 'L')
   Call: (213) [system] 'L'=(\)
   Fail: (213) [system] 'L'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _233674)
   Call: (214) [system] peek_char((0x55772f068e50), _234608)
   Exit: (214) [system] peek_char((0x55772f068e50), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_239328, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_240260, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x55772f068e50), i)
   Exit: (214) [system] get_char((0x55772f068e50), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _247610)
   Call: (215) [system] peek_char((0x55772f068e50), _248544)
   Exit: (215) [system] peek_char((0x55772f068e50), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_253264, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_254196, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x55772f068e50), n)
   Exit: (215) [system] get_char((0x55772f068e50), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _261546)
   Call: (216) [system] peek_char((0x55772f068e50), _262480)
   Exit: (216) [system] peek_char((0x55772f068e50), k)
^  Call: (216) [user] is_delimiter(k)
   Call: (217) [system] char_type(k, space)
   Fail: (217) [system] char_type(k, space)
   Call: (217) [system] arg(_267200, v('(', ')', end_of_file), k)
   Fail: (217) [system] arg(_268132, v('(', ')', end_of_file), k)
^  Fail: (216) [user] is_delimiter(k)
   Call: (216) [system] ')'==k
   Fail: (216) [system] ')'==k
   Call: (216) [system] get_char((0x55772f068e50), k)
   Exit: (216) [system] get_char((0x55772f068e50), k)
   Call: (216) [system] k=(\)
   Fail: (216) [system] k=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _275482)
   Call: (217) [system] peek_char((0x55772f068e50), _276416)
   Exit: (217) [system] peek_char((0x55772f068e50), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _275482=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (216) [system] _261546=[k]
   Exit: (216) [system] [k]=[k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (215) [system] _247610=[n, k]
   Exit: (215) [system] [n, k]=[n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (214) [system] _233674=[i, n, k]
   Exit: (214) [system] [i, n, k]=[i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (213) [system] _219738=['L', i, n, k]
   Exit: (213) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (212) [system] _205802=[d, 'L', i, n, k]
   Exit: (212) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (211) [system] _191866=[n, d, 'L', i, n, k]
   Exit: (211) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (210) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _156356)
^  Call: (211) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _302464)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_303416, _303418), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _302464), _303398, fail)), '$restore_trace'(_303416, _303418))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_303416, _303418))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _302464), _303398, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_302464)
   Fail: (212) [system] atomic(_302464)
   Call: (212) [system] atom_chars(_302464, ['A', n, d, 'L', i, n, k])
   Exit: (212) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (211) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (211) [system] integer('AndLink')
   Fail: (211) [system] integer('AndLink')
   Call: (211) [system] _156356='AndLink'
   Exit: (211) [system] 'AndLink'='AndLink'
^  Exit: (210) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (209) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (208) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (208) [user] read_list(')', (0x55772f068e50), _317414)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _319272)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x55772f068e50), _328866)
   Exit: (210) [system] get_char((0x55772f068e50), ' ')
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _331570)
   Exit: (211) [system] peek_char((0x55772f068e50), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
   Call: (211) [system] 'A'=(/)
   Fail: (211) [system] 'A'=(/)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _348504)
   Exit: (209) [system] peek_char((0x55772f068e50), 'A')
   Call: (209) [system] 'A'=')'
   Fail: (209) [system] 'A'=')'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x55772f068e50), _354074)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _355932)
   Exit: (211) [system] peek_char((0x55772f068e50), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
   Call: (211) [system] 'A'=(/)
   Fail: (211) [system] 'A'=(/)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] get_char((0x55772f068e50), _371942)
   Exit: (210) [system] get_char((0x55772f068e50), 'A')
   Call: (210) [system] 'A'='('
   Fail: (210) [system] 'A'='('
   Call: (210) [system] 'A'='['
   Fail: (210) [system] 'A'='['
   Call: (210) [system] 'A'='{'
   Fail: (210) [system] 'A'='{'
   Call: (210) [system] 'A'='"'
   Fail: (210) [system] 'A'='"'
   Call: (210) [system] 'A'=!
   Fail: (210) [system] 'A'=!
   Call: (210) [system] 'A'='\''
   Fail: (210) [system] 'A'='\''
   Call: (210) [system] 'A'='`'
   Fail: (210) [system] 'A'='`'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x55772f068e50), 'A', _354074)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _389584)
   Call: (212) [system] peek_char((0x55772f068e50), _390518)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _389584=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (211) [user] classify_and_convert_charseq(['A'], _354074)
^  Call: (212) [user] classify_and_convert_charseq_(['A'], _399802)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_400754, _400756), once(user:catch(read_from_chars(['A'], _399802), _400736, fail)), '$restore_trace'(_400754, _400756))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_400754, _400756))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _399802), _400736, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_399802)
   Fail: (213) [system] atomic(_399802)
   Call: (213) [system] atom_chars(_399802, ['A'])
   Exit: (213) [system] atom_chars('A', ['A'])
^  Exit: (212) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (212) [system] integer('A')
   Fail: (212) [system] integer('A')
   Call: (212) [system] _354074='A'
   Exit: (212) [system] 'A'='A'
^  Exit: (211) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (210) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (209) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (209) [user] read_list(')', (0x55772f068e50), _414752)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _416610)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x55772f068e50), _426204)
   Exit: (211) [system] get_char((0x55772f068e50), ' ')
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _428908)
   Exit: (212) [system] peek_char((0x55772f068e50), 'B')
   Call: (212) [system] 'B'=(;)
   Fail: (212) [system] 'B'=(;)
   Call: (212) [system] 'B'=(/)
   Fail: (212) [system] 'B'=(/)
^  Call: (212) [user] is_like_space('B')
   Call: (213) [system] char_type('B', 'white')
   Fail: (213) [system] char_type('B', 'white')
   Call: (213) [system] char_type('B', end_of_line)
   Fail: (213) [system] char_type('B', end_of_line)
   Call: (213) [system] char_type('B', space)
   Fail: (213) [system] char_type('B', space)
   Call: (213) [system] char_type('B', cntrl)
   Fail: (213) [system] char_type('B', cntrl)
^  Fail: (212) [user] is_like_space('B')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _445842)
   Exit: (210) [system] peek_char((0x55772f068e50), 'B')
   Call: (210) [system] 'B'=')'
   Fail: (210) [system] 'B'=')'
   Call: (210) [system] 'B'=end_of_file
   Fail: (210) [system] 'B'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x55772f068e50), _451412)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _453270)
   Exit: (212) [system] peek_char((0x55772f068e50), 'B')
   Call: (212) [system] 'B'=(;)
   Fail: (212) [system] 'B'=(;)
   Call: (212) [system] 'B'=(/)
   Fail: (212) [system] 'B'=(/)
^  Call: (212) [user] is_like_space('B')
   Call: (213) [system] char_type('B', 'white')
   Fail: (213) [system] char_type('B', 'white')
   Call: (213) [system] char_type('B', end_of_line)
   Fail: (213) [system] char_type('B', end_of_line)
   Call: (213) [system] char_type('B', space)
   Fail: (213) [system] char_type('B', space)
   Call: (213) [system] char_type('B', cntrl)
   Fail: (213) [system] char_type('B', cntrl)
^  Fail: (212) [user] is_like_space('B')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] get_char((0x55772f068e50), _469280)
   Exit: (211) [system] get_char((0x55772f068e50), 'B')
   Call: (211) [system] 'B'='('
   Fail: (211) [system] 'B'='('
   Call: (211) [system] 'B'='['
   Fail: (211) [system] 'B'='['
   Call: (211) [system] 'B'='{'
   Fail: (211) [system] 'B'='{'
   Call: (211) [system] 'B'='"'
   Fail: (211) [system] 'B'='"'
   Call: (211) [system] 'B'=!
   Fail: (211) [system] 'B'=!
   Call: (211) [system] 'B'='\''
   Fail: (211) [system] 'B'='\''
   Call: (211) [system] 'B'='`'
   Fail: (211) [system] 'B'='`'
   Call: (211) [system] 'B'=end_of_file
   Fail: (211) [system] 'B'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x55772f068e50), 'B', _451412)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _486922)
   Call: (213) [system] peek_char((0x55772f068e50), _487856)
   Exit: (213) [system] peek_char((0x55772f068e50), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_492576, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _486922=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (212) [user] classify_and_convert_charseq(['B'], _451412)
^  Call: (213) [user] classify_and_convert_charseq_(['B'], _499012)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_499964, _499966), once(user:catch(read_from_chars(['B'], _499012), _499946, fail)), '$restore_trace'(_499964, _499966))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_499964, _499966))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _499012), _499946, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_499012)
   Fail: (214) [system] atomic(_499012)
   Call: (214) [system] atom_chars(_499012, ['B'])
   Exit: (214) [system] atom_chars('B', ['B'])
^  Exit: (213) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (213) [system] integer('B')
   Fail: (213) [system] integer('B')
   Call: (213) [system] _451412='B'
   Exit: (213) [system] 'B'='B'
^  Exit: (212) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (211) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (210) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (210) [user] read_list(')', (0x55772f068e50), _513962)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _515820)
   Exit: (212) [system] peek_char((0x55772f068e50), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _531830)
   Exit: (211) [system] peek_char((0x55772f068e50), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x55772f068e50), _535620)
   Exit: (211) [system] get_char((0x55772f068e50), ')')
   Call: (211) [system] _513962=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x55772f068e50), [])
   Call: (210) [system] _414752=['B']
   Exit: (210) [system] ['B']=['B']
^  Exit: (209) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (209) [system] _317414=['A', 'B']
   Exit: (209) [system] ['A', 'B']=['A', 'B']
^  Exit: (208) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (208) [system] _111338=['AndLink', 'A', 'B']
   Exit: (208) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (207) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (206) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (206) [user] read_list(')', (0x55772f068e50), _549502)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _551360)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x55772f068e50), _560954)
   Exit: (208) [system] get_char((0x55772f068e50), ' ')
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _563658)
   Exit: (209) [system] peek_char((0x55772f068e50), 'C')
   Call: (209) [system] 'C'=(;)
   Fail: (209) [system] 'C'=(;)
   Call: (209) [system] 'C'=(/)
   Fail: (209) [system] 'C'=(/)
^  Call: (209) [user] is_like_space('C')
   Call: (210) [system] char_type('C', 'white')
   Fail: (210) [system] char_type('C', 'white')
   Call: (210) [system] char_type('C', end_of_line)
   Fail: (210) [system] char_type('C', end_of_line)
   Call: (210) [system] char_type('C', space)
   Fail: (210) [system] char_type('C', space)
   Call: (210) [system] char_type('C', cntrl)
   Fail: (210) [system] char_type('C', cntrl)
^  Fail: (209) [user] is_like_space('C')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _580592)
   Exit: (207) [system] peek_char((0x55772f068e50), 'C')
   Call: (207) [system] 'C'=')'
   Fail: (207) [system] 'C'=')'
   Call: (207) [system] 'C'=end_of_file
   Fail: (207) [system] 'C'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x55772f068e50), _586162)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _588020)
   Exit: (209) [system] peek_char((0x55772f068e50), 'C')
   Call: (209) [system] 'C'=(;)
   Fail: (209) [system] 'C'=(;)
   Call: (209) [system] 'C'=(/)
   Fail: (209) [system] 'C'=(/)
^  Call: (209) [user] is_like_space('C')
   Call: (210) [system] char_type('C', 'white')
   Fail: (210) [system] char_type('C', 'white')
   Call: (210) [system] char_type('C', end_of_line)
   Fail: (210) [system] char_type('C', end_of_line)
   Call: (210) [system] char_type('C', space)
   Fail: (210) [system] char_type('C', space)
   Call: (210) [system] char_type('C', cntrl)
   Fail: (210) [system] char_type('C', cntrl)
^  Fail: (209) [user] is_like_space('C')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] get_char((0x55772f068e50), _604030)
   Exit: (208) [system] get_char((0x55772f068e50), 'C')
   Call: (208) [system] 'C'='('
   Fail: (208) [system] 'C'='('
   Call: (208) [system] 'C'='['
   Fail: (208) [system] 'C'='['
   Call: (208) [system] 'C'='{'
   Fail: (208) [system] 'C'='{'
   Call: (208) [system] 'C'='"'
   Fail: (208) [system] 'C'='"'
   Call: (208) [system] 'C'=!
   Fail: (208) [system] 'C'=!
   Call: (208) [system] 'C'='\''
   Fail: (208) [system] 'C'='\''
   Call: (208) [system] 'C'='`'
   Fail: (208) [system] 'C'='`'
   Call: (208) [system] 'C'=end_of_file
   Fail: (208) [system] 'C'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x55772f068e50), 'C', _586162)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _621672)
   Call: (210) [system] peek_char((0x55772f068e50), _622606)
   Exit: (210) [system] peek_char((0x55772f068e50), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_627326, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _621672=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (209) [user] classify_and_convert_charseq(['C'], _586162)
^  Call: (210) [user] classify_and_convert_charseq_(['C'], _633762)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_634714, _634716), once(user:catch(read_from_chars(['C'], _633762), _634696, fail)), '$restore_trace'(_634714, _634716))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_634714, _634716))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _633762), _634696, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_633762)
   Fail: (211) [system] atomic(_633762)
   Call: (211) [system] atom_chars(_633762, ['C'])
   Exit: (211) [system] atom_chars('C', ['C'])
^  Exit: (210) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (210) [system] integer('C')
   Fail: (210) [system] integer('C')
   Call: (210) [system] _586162='C'
   Exit: (210) [system] 'C'='C'
^  Exit: (209) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (208) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (207) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (207) [user] read_list(')', (0x55772f068e50), _648712)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _650570)
   Exit: (209) [system] peek_char((0x55772f068e50), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
   Call: (209) [system] ')'=(/)
   Fail: (209) [system] ')'=(/)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _666580)
   Exit: (208) [system] peek_char((0x55772f068e50), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x55772f068e50), _670370)
   Exit: (208) [system] get_char((0x55772f068e50), ')')
   Call: (208) [system] _648712=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x55772f068e50), [])
   Call: (207) [system] _549502=['C']
   Exit: (207) [system] ['C']=['C']
^  Exit: (206) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (206) [system] _74678=[['AndLink', 'A', 'B'], 'C']
   Exit: (206) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (205) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (205) [system] _3934=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (205) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (204) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (203) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (203) [user] read_list(')', (0x55772f068e50), _684252)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _686110)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x55772f068e50), _695704)
   Exit: (205) [system] get_char((0x55772f068e50), ' ')
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _698408)
   Exit: (206) [system] peek_char((0x55772f068e50), 'A')
   Call: (206) [system] 'A'=(;)
   Fail: (206) [system] 'A'=(;)
   Call: (206) [system] 'A'=(/)
   Fail: (206) [system] 'A'=(/)
^  Call: (206) [user] is_like_space('A')
   Call: (207) [system] char_type('A', 'white')
   Fail: (207) [system] char_type('A', 'white')
   Call: (207) [system] char_type('A', end_of_line)
   Fail: (207) [system] char_type('A', end_of_line)
   Call: (207) [system] char_type('A', space)
   Fail: (207) [system] char_type('A', space)
   Call: (207) [system] char_type('A', cntrl)
   Fail: (207) [system] char_type('A', cntrl)
^  Fail: (206) [user] is_like_space('A')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _715342)
   Exit: (204) [system] peek_char((0x55772f068e50), 'A')
   Call: (204) [system] 'A'=')'
   Fail: (204) [system] 'A'=')'
   Call: (204) [system] 'A'=end_of_file
   Fail: (204) [system] 'A'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x55772f068e50), _720912)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _722770)
   Exit: (206) [system] peek_char((0x55772f068e50), 'A')
   Call: (206) [system] 'A'=(;)
   Fail: (206) [system] 'A'=(;)
   Call: (206) [system] 'A'=(/)
   Fail: (206) [system] 'A'=(/)
^  Call: (206) [user] is_like_space('A')
   Call: (207) [system] char_type('A', 'white')
   Fail: (207) [system] char_type('A', 'white')
   Call: (207) [system] char_type('A', end_of_line)
   Fail: (207) [system] char_type('A', end_of_line)
   Call: (207) [system] char_type('A', space)
   Fail: (207) [system] char_type('A', space)
   Call: (207) [system] char_type('A', cntrl)
   Fail: (207) [system] char_type('A', cntrl)
^  Fail: (206) [user] is_like_space('A')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] get_char((0x55772f068e50), _738780)
   Exit: (205) [system] get_char((0x55772f068e50), 'A')
   Call: (205) [system] 'A'='('
   Fail: (205) [system] 'A'='('
   Call: (205) [system] 'A'='['
   Fail: (205) [system] 'A'='['
   Call: (205) [system] 'A'='{'
   Fail: (205) [system] 'A'='{'
   Call: (205) [system] 'A'='"'
   Fail: (205) [system] 'A'='"'
   Call: (205) [system] 'A'=!
   Fail: (205) [system] 'A'=!
   Call: (205) [system] 'A'='\''
   Fail: (205) [system] 'A'='\''
   Call: (205) [system] 'A'='`'
   Fail: (205) [system] 'A'='`'
   Call: (205) [system] 'A'=end_of_file
   Fail: (205) [system] 'A'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x55772f068e50), 'A', _720912)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _756422)
   Call: (207) [system] peek_char((0x55772f068e50), _757356)
   Exit: (207) [system] peek_char((0x55772f068e50), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_762076, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _756422=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (206) [user] classify_and_convert_charseq(['A'], _720912)
^  Call: (207) [user] classify_and_convert_charseq_(['A'], _768512)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_769464, _769466), once(user:catch(read_from_chars(['A'], _768512), _769446, fail)), '$restore_trace'(_769464, _769466))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_769464, _769466))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _768512), _769446, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_768512)
   Fail: (208) [system] atomic(_768512)
   Call: (208) [system] atom_chars(_768512, ['A'])
   Exit: (208) [system] atom_chars('A', ['A'])
^  Exit: (207) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (207) [system] integer('A')
   Fail: (207) [system] integer('A')
   Call: (207) [system] _720912='A'
   Exit: (207) [system] 'A'='A'
^  Exit: (206) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (205) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (204) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (204) [user] read_list(')', (0x55772f068e50), _783462)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _785320)
   Exit: (206) [system] peek_char((0x55772f068e50), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
   Call: (206) [system] ')'=(/)
   Fail: (206) [system] ')'=(/)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _801330)
   Exit: (205) [system] peek_char((0x55772f068e50), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x55772f068e50), _805120)
   Exit: (205) [system] get_char((0x55772f068e50), ')')
   Call: (205) [system] _783462=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x55772f068e50), [])
   Call: (204) [system] _684252=['A']
   Exit: (204) [system] ['A']=['A']
^  Exit: (203) [user] read_list(')', (0x55772f068e50), ['A'])
   Call: (203) [system] _3930=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (203) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (202) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
   Call: (202) [system] _3922=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (202) [system] ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (201) [user] read_list(')', (0x55772f068e50), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Call: (200) [user] read_list(')', (0x55772f068e50), _819002)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _820860)
   Exit: (202) [system] peek_char((0x55772f068e50), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _836870)
   Exit: (201) [system] peek_char((0x55772f068e50), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x55772f068e50), _840660)
   Exit: (201) [system] get_char((0x55772f068e50), ')')
   Call: (201) [system] _819002=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [])
   Call: (200) [system] _3918=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (200) [system] [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (199) [system] _3894=[['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (199) [system] [['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (198) [system] _3886=[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (198) [system] [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Call: (196) [user] read_list(')', (0x55772f068e50), _854542)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _856400)
   Exit: (198) [system] peek_char((0x55772f068e50), '\n')
   Call: (198) [system] '\n'=(;)
   Fail: (198) [system] '\n'=(;)
   Call: (198) [system] '\n'=(/)
   Fail: (198) [system] '\n'=(/)
^  Call: (198) [user] is_like_space('\n')
   Call: (199) [system] char_type('\n', 'white')
   Fail: (199) [system] char_type('\n', 'white')
   Call: (199) [system] char_type('\n', end_of_line)
   Exit: (199) [system] char_type('\n', end_of_line)
^  Exit: (198) [user] is_like_space('\n')
   Call: (198) [system] get_char((0x55772f068e50), _867850)
   Exit: (198) [system] get_char((0x55772f068e50), '\n')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _870554)
   Exit: (199) [system] peek_char((0x55772f068e50), '\t')
   Call: (199) [system] '\t'=(;)
   Fail: (199) [system] '\t'=(;)
   Call: (199) [system] '\t'=(/)
   Fail: (199) [system] '\t'=(/)
^  Call: (199) [user] is_like_space('\t')
   Call: (200) [system] char_type('\t', 'white')
   Exit: (200) [system] char_type('\t', 'white')
^  Exit: (199) [user] is_like_space('\t')
   Call: (199) [system] get_char((0x55772f068e50), _880148)
   Exit: (199) [system] get_char((0x55772f068e50), '\t')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _882852)
   Exit: (200) [system] peek_char((0x55772f068e50), '\t')
   Call: (200) [system] '\t'=(;)
   Fail: (200) [system] '\t'=(;)
   Call: (200) [system] '\t'=(/)
   Fail: (200) [system] '\t'=(/)
^  Call: (200) [user] is_like_space('\t')
   Call: (201) [system] char_type('\t', 'white')
   Exit: (201) [system] char_type('\t', 'white')
^  Exit: (200) [user] is_like_space('\t')
   Call: (200) [system] get_char((0x55772f068e50), _892446)
   Exit: (200) [system] get_char((0x55772f068e50), '\t')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _895150)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _904744)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _907448)
   Exit: (202) [system] peek_char((0x55772f068e50), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _927154)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _932724)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _934582)
   Exit: (199) [system] peek_char((0x55772f068e50), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _950592)
   Exit: (198) [system] get_char((0x55772f068e50), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x55772f068e50), _932724)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _956162)
   Exit: (200) [system] peek_char((0x55772f068e50), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
   Call: (200) [system] (:)=(/)
   Fail: (200) [system] (:)=(/)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _972172)
   Exit: (199) [system] peek_char((0x55772f068e50), :)
   Call: (199) [system] (:)=')'
   Fail: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _977742)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _979600)
   Exit: (201) [system] peek_char((0x55772f068e50), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _995610)
   Exit: (200) [system] get_char((0x55772f068e50), :)
   Call: (200) [system] (:)='('
   Fail: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Fail: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Fail: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Fail: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Fail: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Fail: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Fail: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), :, _977742)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1013252)
   Call: (202) [system] peek_char((0x55772f068e50), _1014186)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _1013252=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (201) [user] classify_and_convert_charseq([:], _977742)
^  Call: (202) [user] classify_and_convert_charseq_([:], _1023470)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1024422, _1024424), once(user:catch(read_from_chars([:], _1023470), _1024404, fail)), '$restore_trace'(_1024422, _1024424))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1024422, _1024424))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1024404, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(:)
   Exit: (203) [system] atomic(:)
^  Exit: (202) [user] classify_and_convert_charseq_([:], :)
   Call: (202) [system] integer(:)
   Fail: (202) [system] integer(:)
   Call: (202) [system] _977742=(:)
   Exit: (202) [system] (:)=(:)
^  Exit: (201) [user] classify_and_convert_charseq([:], :)
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (199) [user] read_list(')', (0x55772f068e50), _1036550)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1038408)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _1048002)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1050706)
   Exit: (202) [system] peek_char((0x55772f068e50), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1067640)
   Exit: (200) [system] peek_char((0x55772f068e50), '(')
   Call: (200) [system] '('=')'
   Fail: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
   Fail: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _1073210)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1075068)
   Exit: (202) [system] peek_char((0x55772f068e50), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _1091078)
   Exit: (201) [system] get_char((0x55772f068e50), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x55772f068e50), _1073210)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1096648)
   Exit: (203) [system] peek_char((0x55772f068e50), 'C')
   Call: (203) [system] 'C'=(;)
   Fail: (203) [system] 'C'=(;)
   Call: (203) [system] 'C'=(/)
   Fail: (203) [system] 'C'=(/)
^  Call: (203) [user] is_like_space('C')
   Call: (204) [system] char_type('C', 'white')
   Fail: (204) [system] char_type('C', 'white')
   Call: (204) [system] char_type('C', end_of_line)
   Fail: (204) [system] char_type('C', end_of_line)
   Call: (204) [system] char_type('C', space)
   Fail: (204) [system] char_type('C', space)
   Call: (204) [system] char_type('C', cntrl)
   Fail: (204) [system] char_type('C', cntrl)
^  Fail: (203) [user] is_like_space('C')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1112658)
   Exit: (202) [system] peek_char((0x55772f068e50), 'C')
   Call: (202) [system] 'C'=')'
   Fail: (202) [system] 'C'=')'
   Call: (202) [system] 'C'=end_of_file
   Fail: (202) [system] 'C'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x55772f068e50), _1118228)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1120086)
   Exit: (204) [system] peek_char((0x55772f068e50), 'C')
   Call: (204) [system] 'C'=(;)
   Fail: (204) [system] 'C'=(;)
   Call: (204) [system] 'C'=(/)
   Fail: (204) [system] 'C'=(/)
^  Call: (204) [user] is_like_space('C')
   Call: (205) [system] char_type('C', 'white')
   Fail: (205) [system] char_type('C', 'white')
   Call: (205) [system] char_type('C', end_of_line)
   Fail: (205) [system] char_type('C', end_of_line)
   Call: (205) [system] char_type('C', space)
   Fail: (205) [system] char_type('C', space)
   Call: (205) [system] char_type('C', cntrl)
   Fail: (205) [system] char_type('C', cntrl)
^  Fail: (204) [user] is_like_space('C')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] get_char((0x55772f068e50), _1136096)
   Exit: (203) [system] get_char((0x55772f068e50), 'C')
   Call: (203) [system] 'C'='('
   Fail: (203) [system] 'C'='('
   Call: (203) [system] 'C'='['
   Fail: (203) [system] 'C'='['
   Call: (203) [system] 'C'='{'
   Fail: (203) [system] 'C'='{'
   Call: (203) [system] 'C'='"'
   Fail: (203) [system] 'C'='"'
   Call: (203) [system] 'C'=!
   Fail: (203) [system] 'C'=!
   Call: (203) [system] 'C'='\''
   Fail: (203) [system] 'C'='\''
   Call: (203) [system] 'C'='`'
   Fail: (203) [system] 'C'='`'
   Call: (203) [system] 'C'=end_of_file
   Fail: (203) [system] 'C'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x55772f068e50), 'C', _1118228)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1153738)
   Call: (205) [system] peek_char((0x55772f068e50), _1154672)
   Exit: (205) [system] peek_char((0x55772f068e50), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1159392, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_1160324, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x55772f068e50), o)
   Exit: (205) [system] get_char((0x55772f068e50), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1167674)
   Call: (206) [system] peek_char((0x55772f068e50), _1168608)
   Exit: (206) [system] peek_char((0x55772f068e50), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Fail: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_1173328, v('(', ')', end_of_file), n)
   Fail: (207) [system] arg(_1174260, v('(', ')', end_of_file), n)
^  Fail: (206) [user] is_delimiter(n)
   Call: (206) [system] ')'==n
   Fail: (206) [system] ')'==n
   Call: (206) [system] get_char((0x55772f068e50), n)
   Exit: (206) [system] get_char((0x55772f068e50), n)
   Call: (206) [system] n=(\)
   Fail: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1181610)
   Call: (207) [system] peek_char((0x55772f068e50), _1182544)
   Exit: (207) [system] peek_char((0x55772f068e50), j)
^  Call: (207) [user] is_delimiter(j)
   Call: (208) [system] char_type(j, space)
   Fail: (208) [system] char_type(j, space)
   Call: (208) [system] arg(_1187264, v('(', ')', end_of_file), j)
   Fail: (208) [system] arg(_1188196, v('(', ')', end_of_file), j)
^  Fail: (207) [user] is_delimiter(j)
   Call: (207) [system] ')'==j
   Fail: (207) [system] ')'==j
   Call: (207) [system] get_char((0x55772f068e50), j)
   Exit: (207) [system] get_char((0x55772f068e50), j)
   Call: (207) [system] j=(\)
   Fail: (207) [system] j=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1195546)
   Call: (208) [system] peek_char((0x55772f068e50), _1196480)
   Exit: (208) [system] peek_char((0x55772f068e50), u)
^  Call: (208) [user] is_delimiter(u)
   Call: (209) [system] char_type(u, space)
   Fail: (209) [system] char_type(u, space)
   Call: (209) [system] arg(_1201200, v('(', ')', end_of_file), u)
   Fail: (209) [system] arg(_1202132, v('(', ')', end_of_file), u)
^  Fail: (208) [user] is_delimiter(u)
   Call: (208) [system] ')'==u
   Fail: (208) [system] ')'==u
   Call: (208) [system] get_char((0x55772f068e50), u)
   Exit: (208) [system] get_char((0x55772f068e50), u)
   Call: (208) [system] u=(\)
   Fail: (208) [system] u=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1209482)
   Call: (209) [system] peek_char((0x55772f068e50), _1210416)
   Exit: (209) [system] peek_char((0x55772f068e50), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_1215136, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_1216068, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x55772f068e50), n)
   Exit: (209) [system] get_char((0x55772f068e50), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1223418)
   Call: (210) [system] peek_char((0x55772f068e50), _1224352)
   Exit: (210) [system] peek_char((0x55772f068e50), c)
^  Call: (210) [user] is_delimiter(c)
   Call: (211) [system] char_type(c, space)
   Fail: (211) [system] char_type(c, space)
   Call: (211) [system] arg(_1229072, v('(', ')', end_of_file), c)
   Fail: (211) [system] arg(_1230004, v('(', ')', end_of_file), c)
^  Fail: (210) [user] is_delimiter(c)
   Call: (210) [system] ')'==c
   Fail: (210) [system] ')'==c
   Call: (210) [system] get_char((0x55772f068e50), c)
   Exit: (210) [system] get_char((0x55772f068e50), c)
   Call: (210) [system] c=(\)
   Fail: (210) [system] c=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1237354)
   Call: (211) [system] peek_char((0x55772f068e50), _1238288)
   Exit: (211) [system] peek_char((0x55772f068e50), t)
^  Call: (211) [user] is_delimiter(t)
   Call: (212) [system] char_type(t, space)
   Fail: (212) [system] char_type(t, space)
   Call: (212) [system] arg(_1243008, v('(', ')', end_of_file), t)
   Fail: (212) [system] arg(_1243940, v('(', ')', end_of_file), t)
^  Fail: (211) [user] is_delimiter(t)
   Call: (211) [system] ')'==t
   Fail: (211) [system] ')'==t
   Call: (211) [system] get_char((0x55772f068e50), t)
   Exit: (211) [system] get_char((0x55772f068e50), t)
   Call: (211) [system] t=(\)
   Fail: (211) [system] t=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1251290)
   Call: (212) [system] peek_char((0x55772f068e50), _1252224)
   Exit: (212) [system] peek_char((0x55772f068e50), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1256944, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_1257876, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x55772f068e50), i)
   Exit: (212) [system] get_char((0x55772f068e50), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1265226)
   Call: (213) [system] peek_char((0x55772f068e50), _1266160)
   Exit: (213) [system] peek_char((0x55772f068e50), o)
^  Call: (213) [user] is_delimiter(o)
   Call: (214) [system] char_type(o, space)
   Fail: (214) [system] char_type(o, space)
   Call: (214) [system] arg(_1270880, v('(', ')', end_of_file), o)
   Fail: (214) [system] arg(_1271812, v('(', ')', end_of_file), o)
^  Fail: (213) [user] is_delimiter(o)
   Call: (213) [system] ')'==o
   Fail: (213) [system] ')'==o
   Call: (213) [system] get_char((0x55772f068e50), o)
   Exit: (213) [system] get_char((0x55772f068e50), o)
   Call: (213) [system] o=(\)
   Fail: (213) [system] o=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1279162)
   Call: (214) [system] peek_char((0x55772f068e50), _1280096)
   Exit: (214) [system] peek_char((0x55772f068e50), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1284816, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1285748, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x55772f068e50), n)
   Exit: (214) [system] get_char((0x55772f068e50), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1293098)
   Call: (215) [system] peek_char((0x55772f068e50), _1294032)
   Exit: (215) [system] peek_char((0x55772f068e50), 'I')
^  Call: (215) [user] is_delimiter('I')
   Call: (216) [system] char_type('I', space)
   Fail: (216) [system] char_type('I', space)
   Call: (216) [system] arg(_1298752, v('(', ')', end_of_file), 'I')
   Fail: (216) [system] arg(_1299684, v('(', ')', end_of_file), 'I')
^  Fail: (215) [user] is_delimiter('I')
   Call: (215) [system] ')'=='I'
   Fail: (215) [system] ')'=='I'
   Call: (215) [system] get_char((0x55772f068e50), 'I')
   Exit: (215) [system] get_char((0x55772f068e50), 'I')
   Call: (215) [system] 'I'=(\)
   Fail: (215) [system] 'I'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1307034)
   Call: (216) [system] peek_char((0x55772f068e50), _1307968)
   Exit: (216) [system] peek_char((0x55772f068e50), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1312688, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_1313620, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x55772f068e50), n)
   Exit: (216) [system] get_char((0x55772f068e50), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1320970)
   Call: (217) [system] peek_char((0x55772f068e50), _1321904)
   Exit: (217) [system] peek_char((0x55772f068e50), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Fail: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_1326624, v('(', ')', end_of_file), t)
   Fail: (218) [system] arg(_1327556, v('(', ')', end_of_file), t)
^  Fail: (217) [user] is_delimiter(t)
   Call: (217) [system] ')'==t
   Fail: (217) [system] ')'==t
   Call: (217) [system] get_char((0x55772f068e50), t)
   Exit: (217) [system] get_char((0x55772f068e50), t)
   Call: (217) [system] t=(\)
   Fail: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1334906)
   Call: (218) [system] peek_char((0x55772f068e50), _1335840)
   Exit: (218) [system] peek_char((0x55772f068e50), r)
^  Call: (218) [user] is_delimiter(r)
   Call: (219) [system] char_type(r, space)
   Fail: (219) [system] char_type(r, space)
   Call: (219) [system] arg(_1340560, v('(', ')', end_of_file), r)
   Fail: (219) [system] arg(_1341492, v('(', ')', end_of_file), r)
^  Fail: (218) [user] is_delimiter(r)
   Call: (218) [system] ')'==r
   Fail: (218) [system] ')'==r
   Call: (218) [system] get_char((0x55772f068e50), r)
   Exit: (218) [system] get_char((0x55772f068e50), r)
   Call: (218) [system] r=(\)
   Fail: (218) [system] r=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1348842)
   Call: (219) [system] peek_char((0x55772f068e50), _1349776)
   Exit: (219) [system] peek_char((0x55772f068e50), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Fail: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_1354496, v('(', ')', end_of_file), o)
   Fail: (220) [system] arg(_1355428, v('(', ')', end_of_file), o)
^  Fail: (219) [user] is_delimiter(o)
   Call: (219) [system] ')'==o
   Fail: (219) [system] ')'==o
   Call: (219) [system] get_char((0x55772f068e50), o)
   Exit: (219) [system] get_char((0x55772f068e50), o)
   Call: (219) [system] o=(\)
   Fail: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1362778)
   Call: (220) [system] peek_char((0x55772f068e50), _1363712)
   Exit: (220) [system] peek_char((0x55772f068e50), d)
^  Call: (220) [user] is_delimiter(d)
   Call: (221) [system] char_type(d, space)
   Fail: (221) [system] char_type(d, space)
   Call: (221) [system] arg(_1368432, v('(', ')', end_of_file), d)
   Fail: (221) [system] arg(_1369364, v('(', ')', end_of_file), d)
^  Fail: (220) [user] is_delimiter(d)
   Call: (220) [system] ')'==d
   Fail: (220) [system] ')'==d
   Call: (220) [system] get_char((0x55772f068e50), d)
   Exit: (220) [system] get_char((0x55772f068e50), d)
   Call: (220) [system] d=(\)
   Fail: (220) [system] d=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1376714)
   Call: (221) [system] peek_char((0x55772f068e50), _1377648)
   Exit: (221) [system] peek_char((0x55772f068e50), u)
^  Call: (221) [user] is_delimiter(u)
   Call: (222) [system] char_type(u, space)
   Fail: (222) [system] char_type(u, space)
   Call: (222) [system] arg(_1382368, v('(', ')', end_of_file), u)
   Fail: (222) [system] arg(_1383300, v('(', ')', end_of_file), u)
^  Fail: (221) [user] is_delimiter(u)
   Call: (221) [system] ')'==u
   Fail: (221) [system] ')'==u
   Call: (221) [system] get_char((0x55772f068e50), u)
   Exit: (221) [system] get_char((0x55772f068e50), u)
   Call: (221) [system] u=(\)
   Fail: (221) [system] u=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1390650)
   Call: (222) [system] peek_char((0x55772f068e50), _1391584)
   Exit: (222) [system] peek_char((0x55772f068e50), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_1396304, v('(', ')', end_of_file), c)
   Fail: (223) [system] arg(_1397236, v('(', ')', end_of_file), c)
^  Fail: (222) [user] is_delimiter(c)
   Call: (222) [system] ')'==c
   Fail: (222) [system] ')'==c
   Call: (222) [system] get_char((0x55772f068e50), c)
   Exit: (222) [system] get_char((0x55772f068e50), c)
   Call: (222) [system] c=(\)
   Fail: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1404586)
   Call: (223) [system] peek_char((0x55772f068e50), _1405520)
   Exit: (223) [system] peek_char((0x55772f068e50), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Fail: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_1410240, v('(', ')', end_of_file), t)
   Fail: (224) [system] arg(_1411172, v('(', ')', end_of_file), t)
^  Fail: (223) [user] is_delimiter(t)
   Call: (223) [system] ')'==t
   Fail: (223) [system] ')'==t
   Call: (223) [system] get_char((0x55772f068e50), t)
   Exit: (223) [system] get_char((0x55772f068e50), t)
   Call: (223) [system] t=(\)
   Fail: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1418522)
   Call: (224) [system] peek_char((0x55772f068e50), _1419456)
   Exit: (224) [system] peek_char((0x55772f068e50), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_1424176, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_1425108, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x55772f068e50), i)
   Exit: (224) [system] get_char((0x55772f068e50), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1432458)
   Call: (225) [system] peek_char((0x55772f068e50), _1433392)
   Exit: (225) [system] peek_char((0x55772f068e50), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Fail: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_1438112, v('(', ')', end_of_file), o)
   Fail: (226) [system] arg(_1439044, v('(', ')', end_of_file), o)
^  Fail: (225) [user] is_delimiter(o)
   Call: (225) [system] ')'==o
   Fail: (225) [system] ')'==o
   Call: (225) [system] get_char((0x55772f068e50), o)
   Exit: (225) [system] get_char((0x55772f068e50), o)
   Call: (225) [system] o=(\)
   Fail: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1446394)
   Call: (226) [system] peek_char((0x55772f068e50), _1447328)
   Exit: (226) [system] peek_char((0x55772f068e50), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1452048, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1452980, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x55772f068e50), n)
   Exit: (226) [system] get_char((0x55772f068e50), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1460330)
   Call: (227) [system] peek_char((0x55772f068e50), _1461264)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1460330=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (226) [system] _1446394=[n]
   Exit: (226) [system] [n]=[n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (225) [system] _1432458=[o, n]
   Exit: (225) [system] [o, n]=[o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (224) [system] _1418522=[i, o, n]
   Exit: (224) [system] [i, o, n]=[i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (223) [system] _1404586=[t, i, o, n]
   Exit: (223) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (222) [system] _1390650=[c, t, i, o, n]
   Exit: (222) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (221) [system] _1376714=[u, c, t, i, o, n]
   Exit: (221) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (220) [system] _1362778=[d, u, c, t, i, o, n]
   Exit: (220) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (219) [system] _1348842=[o, d, u, c, t, i, o, n]
   Exit: (219) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (218) [system] _1334906=[r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1320970=[t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1307034=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1293098=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1279162=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1265226=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1251290=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1237354=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1223418=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1209482=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _1195546=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _1181610=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _1167674=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _1153738=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (204) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1118228)
^  Call: (205) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1532016)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1532968, _1532970), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1532016), _1532950, fail)), '$restore_trace'(_1532968, _1532970))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1532968, _1532970))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1532016), _1532950, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_1532016)
   Fail: (206) [system] atomic(_1532016)
   Call: (206) [system] atom_chars(_1532016, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (206) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (205) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (205) [system] integer('ConjunctionIntroduction')
   Fail: (205) [system] integer('ConjunctionIntroduction')
   Call: (205) [system] _1118228='ConjunctionIntroduction'
   Exit: (205) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (204) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (203) [user] read_symbolic(')', (0x55772f068e50), 'C', 'ConjunctionIntroduction')
^  Exit: (202) [user] cont_sexpr(')', (0x55772f068e50), 'ConjunctionIntroduction')
^  Call: (202) [user] read_list(')', (0x55772f068e50), _1546966)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1548824)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x55772f068e50), _1558418)
   Exit: (204) [system] get_char((0x55772f068e50), ' ')
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1561122)
   Exit: (205) [system] peek_char((0x55772f068e50), a)
   Call: (205) [system] a=(;)
   Fail: (205) [system] a=(;)
   Call: (205) [system] a=(/)
   Fail: (205) [system] a=(/)
^  Call: (205) [user] is_like_space(a)
   Call: (206) [system] char_type(a, 'white')
   Fail: (206) [system] char_type(a, 'white')
   Call: (206) [system] char_type(a, end_of_line)
   Fail: (206) [system] char_type(a, end_of_line)
   Call: (206) [system] char_type(a, space)
   Fail: (206) [system] char_type(a, space)
   Call: (206) [system] char_type(a, cntrl)
   Fail: (206) [system] char_type(a, cntrl)
^  Fail: (205) [user] is_like_space(a)
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1578056)
   Exit: (203) [system] peek_char((0x55772f068e50), a)
   Call: (203) [system] a=')'
   Fail: (203) [system] a=')'
   Call: (203) [system] a=end_of_file
   Fail: (203) [system] a=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x55772f068e50), _1583626)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1585484)
   Exit: (205) [system] peek_char((0x55772f068e50), a)
   Call: (205) [system] a=(;)
   Fail: (205) [system] a=(;)
   Call: (205) [system] a=(/)
   Fail: (205) [system] a=(/)
^  Call: (205) [user] is_like_space(a)
   Call: (206) [system] char_type(a, 'white')
   Fail: (206) [system] char_type(a, 'white')
   Call: (206) [system] char_type(a, end_of_line)
   Fail: (206) [system] char_type(a, end_of_line)
   Call: (206) [system] char_type(a, space)
   Fail: (206) [system] char_type(a, space)
   Call: (206) [system] char_type(a, cntrl)
   Fail: (206) [system] char_type(a, cntrl)
^  Fail: (205) [user] is_like_space(a)
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] get_char((0x55772f068e50), _1601494)
   Exit: (204) [system] get_char((0x55772f068e50), a)
   Call: (204) [system] a='('
   Fail: (204) [system] a='('
   Call: (204) [system] a='['
   Fail: (204) [system] a='['
   Call: (204) [system] a='{'
   Fail: (204) [system] a='{'
   Call: (204) [system] a='"'
   Fail: (204) [system] a='"'
   Call: (204) [system] a=!
   Fail: (204) [system] a=!
   Call: (204) [system] a='\''
   Fail: (204) [system] a='\''
   Call: (204) [system] a='`'
   Fail: (204) [system] a='`'
   Call: (204) [system] a=end_of_file
   Fail: (204) [system] a=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x55772f068e50), a, _1583626)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1619136)
   Call: (206) [system] peek_char((0x55772f068e50), _1620070)
   Exit: (206) [system] peek_char((0x55772f068e50), b)
^  Call: (206) [user] is_delimiter(b)
   Call: (207) [system] char_type(b, space)
   Fail: (207) [system] char_type(b, space)
   Call: (207) [system] arg(_1624790, v('(', ')', end_of_file), b)
   Fail: (207) [system] arg(_1625722, v('(', ')', end_of_file), b)
^  Fail: (206) [user] is_delimiter(b)
   Call: (206) [system] ')'==b
   Fail: (206) [system] ')'==b
   Call: (206) [system] get_char((0x55772f068e50), b)
   Exit: (206) [system] get_char((0x55772f068e50), b)
   Call: (206) [system] b=(\)
   Fail: (206) [system] b=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1633072)
   Call: (207) [system] peek_char((0x55772f068e50), _1634006)
   Exit: (207) [system] peek_char((0x55772f068e50), c)
^  Call: (207) [user] is_delimiter(c)
   Call: (208) [system] char_type(c, space)
   Fail: (208) [system] char_type(c, space)
   Call: (208) [system] arg(_1638726, v('(', ')', end_of_file), c)
   Fail: (208) [system] arg(_1639658, v('(', ')', end_of_file), c)
^  Fail: (207) [user] is_delimiter(c)
   Call: (207) [system] ')'==c
   Fail: (207) [system] ')'==c
   Call: (207) [system] get_char((0x55772f068e50), c)
   Exit: (207) [system] get_char((0x55772f068e50), c)
   Call: (207) [system] c=(\)
   Fail: (207) [system] c=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1647008)
   Call: (208) [system] peek_char((0x55772f068e50), _1647942)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1647008=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (207) [system] _1633072=[c]
   Exit: (207) [system] [c]=[c]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (206) [system] _1619136=[b, c]
   Exit: (206) [system] [b, c]=[b, c]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (205) [user] classify_and_convert_charseq([a, b, c], _1583626)
^  Call: (206) [user] classify_and_convert_charseq_([a, b, c], _1662814)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1663766, _1663768), once(user:catch(read_from_chars([a, b, c], _1662814), _1663748, fail)), '$restore_trace'(_1663766, _1663768))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1663766, _1663768))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1663748, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(abc)
   Exit: (207) [system] atomic(abc)
^  Exit: (206) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (206) [system] integer(abc)
   Fail: (206) [system] integer(abc)
   Call: (206) [system] _1583626=abc
   Exit: (206) [system] abc=abc
^  Exit: (205) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (204) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (203) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (203) [user] read_list(')', (0x55772f068e50), _1675894)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1677752)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x55772f068e50), _1687346)
   Exit: (205) [system] get_char((0x55772f068e50), ' ')
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1690050)
   Exit: (206) [system] peek_char((0x55772f068e50), a)
   Call: (206) [system] a=(;)
   Fail: (206) [system] a=(;)
   Call: (206) [system] a=(/)
   Fail: (206) [system] a=(/)
^  Call: (206) [user] is_like_space(a)
   Call: (207) [system] char_type(a, 'white')
   Fail: (207) [system] char_type(a, 'white')
   Call: (207) [system] char_type(a, end_of_line)
   Fail: (207) [system] char_type(a, end_of_line)
   Call: (207) [system] char_type(a, space)
   Fail: (207) [system] char_type(a, space)
   Call: (207) [system] char_type(a, cntrl)
   Fail: (207) [system] char_type(a, cntrl)
^  Fail: (206) [user] is_like_space(a)
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1706984)
   Exit: (204) [system] peek_char((0x55772f068e50), a)
   Call: (204) [system] a=')'
   Fail: (204) [system] a=')'
   Call: (204) [system] a=end_of_file
   Fail: (204) [system] a=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x55772f068e50), _1712554)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1714412)
   Exit: (206) [system] peek_char((0x55772f068e50), a)
   Call: (206) [system] a=(;)
   Fail: (206) [system] a=(;)
   Call: (206) [system] a=(/)
   Fail: (206) [system] a=(/)
^  Call: (206) [user] is_like_space(a)
   Call: (207) [system] char_type(a, 'white')
   Fail: (207) [system] char_type(a, 'white')
   Call: (207) [system] char_type(a, end_of_line)
   Fail: (207) [system] char_type(a, end_of_line)
   Call: (207) [system] char_type(a, space)
   Fail: (207) [system] char_type(a, space)
   Call: (207) [system] char_type(a, cntrl)
   Fail: (207) [system] char_type(a, cntrl)
^  Fail: (206) [user] is_like_space(a)
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] get_char((0x55772f068e50), _1730422)
   Exit: (205) [system] get_char((0x55772f068e50), a)
   Call: (205) [system] a='('
   Fail: (205) [system] a='('
   Call: (205) [system] a='['
   Fail: (205) [system] a='['
   Call: (205) [system] a='{'
   Fail: (205) [system] a='{'
   Call: (205) [system] a='"'
   Fail: (205) [system] a='"'
   Call: (205) [system] a=!
   Fail: (205) [system] a=!
   Call: (205) [system] a='\''
   Fail: (205) [system] a='\''
   Call: (205) [system] a='`'
   Fail: (205) [system] a='`'
   Call: (205) [system] a=end_of_file
   Fail: (205) [system] a=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x55772f068e50), a, _1712554)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1748064)
   Call: (207) [system] peek_char((0x55772f068e50), _1748998)
   Exit: (207) [system] peek_char((0x55772f068e50), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_1753718, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _1748064=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (206) [user] classify_and_convert_charseq([a], _1712554)
^  Call: (207) [user] classify_and_convert_charseq_([a], _1760154)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1761106, _1761108), once(user:catch(read_from_chars([a], _1760154), _1761088, fail)), '$restore_trace'(_1761106, _1761108))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1761106, _1761108))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1761088, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(a)
   Exit: (208) [system] atomic(a)
^  Exit: (207) [user] classify_and_convert_charseq_([a], a)
   Call: (207) [system] integer(a)
   Fail: (207) [system] integer(a)
   Call: (207) [system] _1712554=a
   Exit: (207) [system] a=a
^  Exit: (206) [user] classify_and_convert_charseq([a], a)
^  Exit: (205) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (204) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (204) [user] read_list(')', (0x55772f068e50), _1773234)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1775092)
   Exit: (206) [system] peek_char((0x55772f068e50), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
   Call: (206) [system] ')'=(/)
   Fail: (206) [system] ')'=(/)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1791102)
   Exit: (205) [system] peek_char((0x55772f068e50), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x55772f068e50), _1794892)
   Exit: (205) [system] get_char((0x55772f068e50), ')')
   Call: (205) [system] _1773234=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x55772f068e50), [])
   Call: (204) [system] _1675894=[a]
   Exit: (204) [system] [a]=[a]
^  Exit: (203) [user] read_list(')', (0x55772f068e50), [a])
   Call: (203) [system] _1546966=[abc, a]
   Exit: (203) [system] [abc, a]=[abc, a]
^  Exit: (202) [user] read_list(')', (0x55772f068e50), [abc, a])
   Call: (202) [system] _1073210=['ConjunctionIntroduction', abc, a]
   Exit: (202) [system] ['ConjunctionIntroduction', abc, a]=['ConjunctionIntroduction', abc, a]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), ['ConjunctionIntroduction', abc, a])
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), ['ConjunctionIntroduction', abc, a])
^  Call: (200) [user] read_list(')', (0x55772f068e50), _1808774)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1810632)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _1820226)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1822930)
   Exit: (203) [system] peek_char((0x55772f068e50), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1839864)
   Exit: (201) [system] peek_char((0x55772f068e50), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _1845434)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1847292)
   Exit: (203) [system] peek_char((0x55772f068e50), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _1863302)
   Exit: (202) [system] get_char((0x55772f068e50), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x55772f068e50), _1845434)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1868872)
   Exit: (204) [system] peek_char((0x55772f068e50), 'A')
   Call: (204) [system] 'A'=(;)
   Fail: (204) [system] 'A'=(;)
   Call: (204) [system] 'A'=(/)
   Fail: (204) [system] 'A'=(/)
^  Call: (204) [user] is_like_space('A')
   Call: (205) [system] char_type('A', 'white')
   Fail: (205) [system] char_type('A', 'white')
   Call: (205) [system] char_type('A', end_of_line)
   Fail: (205) [system] char_type('A', end_of_line)
   Call: (205) [system] char_type('A', space)
   Fail: (205) [system] char_type('A', space)
   Call: (205) [system] char_type('A', cntrl)
   Fail: (205) [system] char_type('A', cntrl)
^  Fail: (204) [user] is_like_space('A')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1884882)
   Exit: (203) [system] peek_char((0x55772f068e50), 'A')
   Call: (203) [system] 'A'=')'
   Fail: (203) [system] 'A'=')'
   Call: (203) [system] 'A'=end_of_file
   Fail: (203) [system] 'A'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x55772f068e50), _1890452)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1892310)
   Exit: (205) [system] peek_char((0x55772f068e50), 'A')
   Call: (205) [system] 'A'=(;)
   Fail: (205) [system] 'A'=(;)
   Call: (205) [system] 'A'=(/)
   Fail: (205) [system] 'A'=(/)
^  Call: (205) [user] is_like_space('A')
   Call: (206) [system] char_type('A', 'white')
   Fail: (206) [system] char_type('A', 'white')
   Call: (206) [system] char_type('A', end_of_line)
   Fail: (206) [system] char_type('A', end_of_line)
   Call: (206) [system] char_type('A', space)
   Fail: (206) [system] char_type('A', space)
   Call: (206) [system] char_type('A', cntrl)
   Fail: (206) [system] char_type('A', cntrl)
^  Fail: (205) [user] is_like_space('A')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] get_char((0x55772f068e50), _1908320)
   Exit: (204) [system] get_char((0x55772f068e50), 'A')
   Call: (204) [system] 'A'='('
   Fail: (204) [system] 'A'='('
   Call: (204) [system] 'A'='['
   Fail: (204) [system] 'A'='['
   Call: (204) [system] 'A'='{'
   Fail: (204) [system] 'A'='{'
   Call: (204) [system] 'A'='"'
   Fail: (204) [system] 'A'='"'
   Call: (204) [system] 'A'=!
   Fail: (204) [system] 'A'=!
   Call: (204) [system] 'A'='\''
   Fail: (204) [system] 'A'='\''
   Call: (204) [system] 'A'='`'
   Fail: (204) [system] 'A'='`'
   Call: (204) [system] 'A'=end_of_file
   Fail: (204) [system] 'A'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x55772f068e50), 'A', _1890452)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1925962)
   Call: (206) [system] peek_char((0x55772f068e50), _1926896)
   Exit: (206) [system] peek_char((0x55772f068e50), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Fail: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_1931616, v('(', ')', end_of_file), n)
   Fail: (207) [system] arg(_1932548, v('(', ')', end_of_file), n)
^  Fail: (206) [user] is_delimiter(n)
   Call: (206) [system] ')'==n
   Fail: (206) [system] ')'==n
   Call: (206) [system] get_char((0x55772f068e50), n)
   Exit: (206) [system] get_char((0x55772f068e50), n)
   Call: (206) [system] n=(\)
   Fail: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1939898)
   Call: (207) [system] peek_char((0x55772f068e50), _1940832)
   Exit: (207) [system] peek_char((0x55772f068e50), d)
^  Call: (207) [user] is_delimiter(d)
   Call: (208) [system] char_type(d, space)
   Fail: (208) [system] char_type(d, space)
   Call: (208) [system] arg(_1945552, v('(', ')', end_of_file), d)
   Fail: (208) [system] arg(_1946484, v('(', ')', end_of_file), d)
^  Fail: (207) [user] is_delimiter(d)
   Call: (207) [system] ')'==d
   Fail: (207) [system] ')'==d
   Call: (207) [system] get_char((0x55772f068e50), d)
   Exit: (207) [system] get_char((0x55772f068e50), d)
   Call: (207) [system] d=(\)
   Fail: (207) [system] d=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1953834)
   Call: (208) [system] peek_char((0x55772f068e50), _1954768)
   Exit: (208) [system] peek_char((0x55772f068e50), 'L')
^  Call: (208) [user] is_delimiter('L')
   Call: (209) [system] char_type('L', space)
   Fail: (209) [system] char_type('L', space)
   Call: (209) [system] arg(_1959488, v('(', ')', end_of_file), 'L')
   Fail: (209) [system] arg(_1960420, v('(', ')', end_of_file), 'L')
^  Fail: (208) [user] is_delimiter('L')
   Call: (208) [system] ')'=='L'
   Fail: (208) [system] ')'=='L'
   Call: (208) [system] get_char((0x55772f068e50), 'L')
   Exit: (208) [system] get_char((0x55772f068e50), 'L')
   Call: (208) [system] 'L'=(\)
   Fail: (208) [system] 'L'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1967770)
   Call: (209) [system] peek_char((0x55772f068e50), _1968704)
   Exit: (209) [system] peek_char((0x55772f068e50), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1973424, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_1974356, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x55772f068e50), i)
   Exit: (209) [system] get_char((0x55772f068e50), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1981706)
   Call: (210) [system] peek_char((0x55772f068e50), _1982640)
   Exit: (210) [system] peek_char((0x55772f068e50), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_1987360, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_1988292, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x55772f068e50), n)
   Exit: (210) [system] get_char((0x55772f068e50), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1995642)
   Call: (211) [system] peek_char((0x55772f068e50), _1996576)
   Exit: (211) [system] peek_char((0x55772f068e50), k)
^  Call: (211) [user] is_delimiter(k)
   Call: (212) [system] char_type(k, space)
   Fail: (212) [system] char_type(k, space)
   Call: (212) [system] arg(_2001296, v('(', ')', end_of_file), k)
   Fail: (212) [system] arg(_2002228, v('(', ')', end_of_file), k)
^  Fail: (211) [user] is_delimiter(k)
   Call: (211) [system] ')'==k
   Fail: (211) [system] ')'==k
   Call: (211) [system] get_char((0x55772f068e50), k)
   Exit: (211) [system] get_char((0x55772f068e50), k)
   Call: (211) [system] k=(\)
   Fail: (211) [system] k=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _2009578)
   Call: (212) [system] peek_char((0x55772f068e50), _2010512)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _2009578=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (211) [system] _1995642=[k]
   Exit: (211) [system] [k]=[k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (210) [system] _1981706=[n, k]
   Exit: (210) [system] [n, k]=[n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (209) [system] _1967770=[i, n, k]
   Exit: (209) [system] [i, n, k]=[i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (208) [system] _1953834=['L', i, n, k]
   Exit: (208) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (207) [system] _1939898=[d, 'L', i, n, k]
   Exit: (207) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (206) [system] _1925962=[n, d, 'L', i, n, k]
   Exit: (206) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (205) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1890452)
^  Call: (206) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _2036560)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_2037512, _2037514), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _2036560), _2037494, fail)), '$restore_trace'(_2037512, _2037514))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_2037512, _2037514))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _2036560), _2037494, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_2036560)
   Fail: (207) [system] atomic(_2036560)
   Call: (207) [system] atom_chars(_2036560, ['A', n, d, 'L', i, n, k])
   Exit: (207) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (206) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (206) [system] integer('AndLink')
   Fail: (206) [system] integer('AndLink')
   Call: (206) [system] _1890452='AndLink'
   Exit: (206) [system] 'AndLink'='AndLink'
^  Exit: (205) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (204) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (203) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (203) [user] read_list(')', (0x55772f068e50), _2051510)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _2053368)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x55772f068e50), _2062962)
   Exit: (205) [system] get_char((0x55772f068e50), ' ')
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _2065666)
   Exit: (206) [system] peek_char((0x55772f068e50), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _2082600)
   Exit: (204) [system] peek_char((0x55772f068e50), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x55772f068e50), _2088170)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _2090028)
   Exit: (206) [system] peek_char((0x55772f068e50), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] get_char((0x55772f068e50), _13286)
   Exit: (205) [system] get_char((0x55772f068e50), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x55772f068e50), _4030)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _18856)
   Exit: (207) [system] peek_char((0x55772f068e50), 'I')
   Call: (207) [system] 'I'=(;)
   Fail: (207) [system] 'I'=(;)
   Call: (207) [system] 'I'=(/)
   Fail: (207) [system] 'I'=(/)
^  Call: (207) [user] is_like_space('I')
   Call: (208) [system] char_type('I', 'white')
   Fail: (208) [system] char_type('I', 'white')
   Call: (208) [system] char_type('I', end_of_line)
   Fail: (208) [system] char_type('I', end_of_line)
   Call: (208) [system] char_type('I', space)
   Fail: (208) [system] char_type('I', space)
   Call: (208) [system] char_type('I', cntrl)
   Fail: (208) [system] char_type('I', cntrl)
^  Fail: (207) [user] is_like_space('I')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _34866)
   Exit: (206) [system] peek_char((0x55772f068e50), 'I')
   Call: (206) [system] 'I'=')'
   Fail: (206) [system] 'I'=')'
   Call: (206) [system] 'I'=end_of_file
   Fail: (206) [system] 'I'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x55772f068e50), _40436)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _42294)
   Exit: (208) [system] peek_char((0x55772f068e50), 'I')
   Call: (208) [system] 'I'=(;)
   Fail: (208) [system] 'I'=(;)
   Call: (208) [system] 'I'=(/)
   Fail: (208) [system] 'I'=(/)
^  Call: (208) [user] is_like_space('I')
   Call: (209) [system] char_type('I', 'white')
   Fail: (209) [system] char_type('I', 'white')
   Call: (209) [system] char_type('I', end_of_line)
   Fail: (209) [system] char_type('I', end_of_line)
   Call: (209) [system] char_type('I', space)
   Fail: (209) [system] char_type('I', space)
   Call: (209) [system] char_type('I', cntrl)
   Fail: (209) [system] char_type('I', cntrl)
^  Fail: (208) [user] is_like_space('I')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] get_char((0x55772f068e50), _58304)
   Exit: (207) [system] get_char((0x55772f068e50), 'I')
   Call: (207) [system] 'I'='('
   Fail: (207) [system] 'I'='('
   Call: (207) [system] 'I'='['
   Fail: (207) [system] 'I'='['
   Call: (207) [system] 'I'='{'
   Fail: (207) [system] 'I'='{'
   Call: (207) [system] 'I'='"'
   Fail: (207) [system] 'I'='"'
   Call: (207) [system] 'I'=!
   Fail: (207) [system] 'I'=!
   Call: (207) [system] 'I'='\''
   Fail: (207) [system] 'I'='\''
   Call: (207) [system] 'I'='`'
   Fail: (207) [system] 'I'='`'
   Call: (207) [system] 'I'=end_of_file
   Fail: (207) [system] 'I'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x55772f068e50), 'I', _40436)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _75946)
   Call: (209) [system] peek_char((0x55772f068e50), _76880)
   Exit: (209) [system] peek_char((0x55772f068e50), m)
^  Call: (209) [user] is_delimiter(m)
   Call: (210) [system] char_type(m, space)
   Fail: (210) [system] char_type(m, space)
   Call: (210) [system] arg(_81600, v('(', ')', end_of_file), m)
   Fail: (210) [system] arg(_82532, v('(', ')', end_of_file), m)
^  Fail: (209) [user] is_delimiter(m)
   Call: (209) [system] ')'==m
   Fail: (209) [system] ')'==m
   Call: (209) [system] get_char((0x55772f068e50), m)
   Exit: (209) [system] get_char((0x55772f068e50), m)
   Call: (209) [system] m=(\)
   Fail: (209) [system] m=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _89882)
   Call: (210) [system] peek_char((0x55772f068e50), _90816)
   Exit: (210) [system] peek_char((0x55772f068e50), p)
^  Call: (210) [user] is_delimiter(p)
   Call: (211) [system] char_type(p, space)
   Fail: (211) [system] char_type(p, space)
   Call: (211) [system] arg(_95536, v('(', ')', end_of_file), p)
   Fail: (211) [system] arg(_96468, v('(', ')', end_of_file), p)
^  Fail: (210) [user] is_delimiter(p)
   Call: (210) [system] ')'==p
   Fail: (210) [system] ')'==p
   Call: (210) [system] get_char((0x55772f068e50), p)
   Exit: (210) [system] get_char((0x55772f068e50), p)
   Call: (210) [system] p=(\)
   Fail: (210) [system] p=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _103818)
   Call: (211) [system] peek_char((0x55772f068e50), _104752)
   Exit: (211) [system] peek_char((0x55772f068e50), l)
^  Call: (211) [user] is_delimiter(l)
   Call: (212) [system] char_type(l, space)
   Fail: (212) [system] char_type(l, space)
   Call: (212) [system] arg(_109472, v('(', ')', end_of_file), l)
   Fail: (212) [system] arg(_110404, v('(', ')', end_of_file), l)
^  Fail: (211) [user] is_delimiter(l)
   Call: (211) [system] ')'==l
   Fail: (211) [system] ')'==l
   Call: (211) [system] get_char((0x55772f068e50), l)
   Exit: (211) [system] get_char((0x55772f068e50), l)
   Call: (211) [system] l=(\)
   Fail: (211) [system] l=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _117754)
   Call: (212) [system] peek_char((0x55772f068e50), _118688)
   Exit: (212) [system] peek_char((0x55772f068e50), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_123408, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_124340, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x55772f068e50), i)
   Exit: (212) [system] get_char((0x55772f068e50), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _131690)
   Call: (213) [system] peek_char((0x55772f068e50), _132624)
   Exit: (213) [system] peek_char((0x55772f068e50), c)
^  Call: (213) [user] is_delimiter(c)
   Call: (214) [system] char_type(c, space)
   Fail: (214) [system] char_type(c, space)
   Call: (214) [system] arg(_137344, v('(', ')', end_of_file), c)
   Fail: (214) [system] arg(_138276, v('(', ')', end_of_file), c)
^  Fail: (213) [user] is_delimiter(c)
   Call: (213) [system] ')'==c
   Fail: (213) [system] ')'==c
   Call: (213) [system] get_char((0x55772f068e50), c)
   Exit: (213) [system] get_char((0x55772f068e50), c)
   Call: (213) [system] c=(\)
   Fail: (213) [system] c=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _145626)
   Call: (214) [system] peek_char((0x55772f068e50), _146560)
   Exit: (214) [system] peek_char((0x55772f068e50), a)
^  Call: (214) [user] is_delimiter(a)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] arg(_151280, v('(', ')', end_of_file), a)
   Fail: (215) [system] arg(_152212, v('(', ')', end_of_file), a)
^  Fail: (214) [user] is_delimiter(a)
   Call: (214) [system] ')'==a
   Fail: (214) [system] ')'==a
   Call: (214) [system] get_char((0x55772f068e50), a)
   Exit: (214) [system] get_char((0x55772f068e50), a)
   Call: (214) [system] a=(\)
   Fail: (214) [system] a=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _159562)
   Call: (215) [system] peek_char((0x55772f068e50), _160496)
   Exit: (215) [system] peek_char((0x55772f068e50), t)
^  Call: (215) [user] is_delimiter(t)
   Call: (216) [system] char_type(t, space)
   Fail: (216) [system] char_type(t, space)
   Call: (216) [system] arg(_165216, v('(', ')', end_of_file), t)
   Fail: (216) [system] arg(_166148, v('(', ')', end_of_file), t)
^  Fail: (215) [user] is_delimiter(t)
   Call: (215) [system] ')'==t
   Fail: (215) [system] ')'==t
   Call: (215) [system] get_char((0x55772f068e50), t)
   Exit: (215) [system] get_char((0x55772f068e50), t)
   Call: (215) [system] t=(\)
   Fail: (215) [system] t=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _173498)
   Call: (216) [system] peek_char((0x55772f068e50), _174432)
   Exit: (216) [system] peek_char((0x55772f068e50), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_179152, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_180084, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x55772f068e50), i)
   Exit: (216) [system] get_char((0x55772f068e50), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _187434)
   Call: (217) [system] peek_char((0x55772f068e50), _188368)
   Exit: (217) [system] peek_char((0x55772f068e50), o)
^  Call: (217) [user] is_delimiter(o)
   Call: (218) [system] char_type(o, space)
   Fail: (218) [system] char_type(o, space)
   Call: (218) [system] arg(_193088, v('(', ')', end_of_file), o)
   Fail: (218) [system] arg(_194020, v('(', ')', end_of_file), o)
^  Fail: (217) [user] is_delimiter(o)
   Call: (217) [system] ')'==o
   Fail: (217) [system] ')'==o
   Call: (217) [system] get_char((0x55772f068e50), o)
   Exit: (217) [system] get_char((0x55772f068e50), o)
   Call: (217) [system] o=(\)
   Fail: (217) [system] o=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _201370)
   Call: (218) [system] peek_char((0x55772f068e50), _202304)
   Exit: (218) [system] peek_char((0x55772f068e50), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_207024, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_207956, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x55772f068e50), n)
   Exit: (218) [system] get_char((0x55772f068e50), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _215306)
   Call: (219) [system] peek_char((0x55772f068e50), _216240)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _215306=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (218) [system] _201370=[n]
   Exit: (218) [system] [n]=[n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (217) [system] _187434=[o, n]
   Exit: (217) [system] [o, n]=[o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (216) [system] _173498=[i, o, n]
   Exit: (216) [system] [i, o, n]=[i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (215) [system] _159562=[t, i, o, n]
   Exit: (215) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (214) [system] _145626=[a, t, i, o, n]
   Exit: (214) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (213) [system] _131690=[c, a, t, i, o, n]
   Exit: (213) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (212) [system] _117754=[i, c, a, t, i, o, n]
   Exit: (212) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (211) [system] _103818=[l, i, c, a, t, i, o, n]
   Exit: (211) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (210) [system] _89882=[p, l, i, c, a, t, i, o, n]
   Exit: (210) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (209) [system] _75946=[m, p, l, i, c, a, t, i, o, n]
   Exit: (209) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (208) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _40436)
^  Call: (209) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _253464)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_254416, _254418), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _253464), _254398, fail)), '$restore_trace'(_254416, _254418))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_254416, _254418))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _253464), _254398, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_253464)
   Fail: (210) [system] atomic(_253464)
   Call: (210) [system] atom_chars(_253464, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (210) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (209) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (209) [system] integer('Implication')
   Fail: (209) [system] integer('Implication')
   Call: (209) [system] _40436='Implication'
   Exit: (209) [system] 'Implication'='Implication'
^  Exit: (208) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (207) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (206) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (206) [user] read_list(')', (0x55772f068e50), _268414)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _270272)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x55772f068e50), _279866)
   Exit: (208) [system] get_char((0x55772f068e50), ' ')
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _282570)
   Exit: (209) [system] peek_char((0x55772f068e50), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _299504)
   Exit: (207) [system] peek_char((0x55772f068e50), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x55772f068e50), _305074)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _306932)
   Exit: (209) [system] peek_char((0x55772f068e50), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] get_char((0x55772f068e50), _322942)
   Exit: (208) [system] get_char((0x55772f068e50), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x55772f068e50), _305074)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _328512)
   Exit: (210) [system] peek_char((0x55772f068e50), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
   Call: (210) [system] 'A'=(/)
   Fail: (210) [system] 'A'=(/)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _344522)
   Exit: (209) [system] peek_char((0x55772f068e50), 'A')
   Call: (209) [system] 'A'=')'
   Fail: (209) [system] 'A'=')'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x55772f068e50), _350092)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _351950)
   Exit: (211) [system] peek_char((0x55772f068e50), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
   Call: (211) [system] 'A'=(/)
   Fail: (211) [system] 'A'=(/)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] get_char((0x55772f068e50), _367960)
   Exit: (210) [system] get_char((0x55772f068e50), 'A')
   Call: (210) [system] 'A'='('
   Fail: (210) [system] 'A'='('
   Call: (210) [system] 'A'='['
   Fail: (210) [system] 'A'='['
   Call: (210) [system] 'A'='{'
   Fail: (210) [system] 'A'='{'
   Call: (210) [system] 'A'='"'
   Fail: (210) [system] 'A'='"'
   Call: (210) [system] 'A'=!
   Fail: (210) [system] 'A'=!
   Call: (210) [system] 'A'='\''
   Fail: (210) [system] 'A'='\''
   Call: (210) [system] 'A'='`'
   Fail: (210) [system] 'A'='`'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x55772f068e50), 'A', _350092)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _385602)
   Call: (212) [system] peek_char((0x55772f068e50), _386536)
   Exit: (212) [system] peek_char((0x55772f068e50), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_391256, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_392188, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x55772f068e50), n)
   Exit: (212) [system] get_char((0x55772f068e50), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _399538)
   Call: (213) [system] peek_char((0x55772f068e50), _400472)
   Exit: (213) [system] peek_char((0x55772f068e50), d)
^  Call: (213) [user] is_delimiter(d)
   Call: (214) [system] char_type(d, space)
   Fail: (214) [system] char_type(d, space)
   Call: (214) [system] arg(_405192, v('(', ')', end_of_file), d)
   Fail: (214) [system] arg(_406124, v('(', ')', end_of_file), d)
^  Fail: (213) [user] is_delimiter(d)
   Call: (213) [system] ')'==d
   Fail: (213) [system] ')'==d
   Call: (213) [system] get_char((0x55772f068e50), d)
   Exit: (213) [system] get_char((0x55772f068e50), d)
   Call: (213) [system] d=(\)
   Fail: (213) [system] d=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _413474)
   Call: (214) [system] peek_char((0x55772f068e50), _414408)
   Exit: (214) [system] peek_char((0x55772f068e50), 'L')
^  Call: (214) [user] is_delimiter('L')
   Call: (215) [system] char_type('L', space)
   Fail: (215) [system] char_type('L', space)
   Call: (215) [system] arg(_419128, v('(', ')', end_of_file), 'L')
   Fail: (215) [system] arg(_420060, v('(', ')', end_of_file), 'L')
^  Fail: (214) [user] is_delimiter('L')
   Call: (214) [system] ')'=='L'
   Fail: (214) [system] ')'=='L'
   Call: (214) [system] get_char((0x55772f068e50), 'L')
   Exit: (214) [system] get_char((0x55772f068e50), 'L')
   Call: (214) [system] 'L'=(\)
   Fail: (214) [system] 'L'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _427410)
   Call: (215) [system] peek_char((0x55772f068e50), _428344)
   Exit: (215) [system] peek_char((0x55772f068e50), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_433064, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_433996, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x55772f068e50), i)
   Exit: (215) [system] get_char((0x55772f068e50), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _441346)
   Call: (216) [system] peek_char((0x55772f068e50), _442280)
   Exit: (216) [system] peek_char((0x55772f068e50), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_447000, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_447932, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x55772f068e50), n)
   Exit: (216) [system] get_char((0x55772f068e50), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _455282)
   Call: (217) [system] peek_char((0x55772f068e50), _456216)
   Exit: (217) [system] peek_char((0x55772f068e50), k)
^  Call: (217) [user] is_delimiter(k)
   Call: (218) [system] char_type(k, space)
   Fail: (218) [system] char_type(k, space)
   Call: (218) [system] arg(_460936, v('(', ')', end_of_file), k)
   Fail: (218) [system] arg(_461868, v('(', ')', end_of_file), k)
^  Fail: (217) [user] is_delimiter(k)
   Call: (217) [system] ')'==k
   Fail: (217) [system] ')'==k
   Call: (217) [system] get_char((0x55772f068e50), k)
   Exit: (217) [system] get_char((0x55772f068e50), k)
   Call: (217) [system] k=(\)
   Fail: (217) [system] k=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _469218)
   Call: (218) [system] peek_char((0x55772f068e50), _470152)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _469218=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (217) [system] _455282=[k]
   Exit: (217) [system] [k]=[k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (216) [system] _441346=[n, k]
   Exit: (216) [system] [n, k]=[n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (215) [system] _427410=[i, n, k]
   Exit: (215) [system] [i, n, k]=[i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (214) [system] _413474=['L', i, n, k]
   Exit: (214) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (213) [system] _399538=[d, 'L', i, n, k]
   Exit: (213) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (212) [system] _385602=[n, d, 'L', i, n, k]
   Exit: (212) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (211) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _350092)
^  Call: (212) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _496200)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_497152, _497154), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _496200), _497134, fail)), '$restore_trace'(_497152, _497154))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_497152, _497154))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _496200), _497134, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_496200)
   Fail: (213) [system] atomic(_496200)
   Call: (213) [system] atom_chars(_496200, ['A', n, d, 'L', i, n, k])
   Exit: (213) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (212) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (212) [system] integer('AndLink')
   Fail: (212) [system] integer('AndLink')
   Call: (212) [system] _350092='AndLink'
   Exit: (212) [system] 'AndLink'='AndLink'
^  Exit: (211) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (210) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (209) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (209) [user] read_list(')', (0x55772f068e50), _511150)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _513008)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x55772f068e50), _522602)
   Exit: (211) [system] get_char((0x55772f068e50), ' ')
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _525306)
   Exit: (212) [system] peek_char((0x55772f068e50), 'A')
   Call: (212) [system] 'A'=(;)
   Fail: (212) [system] 'A'=(;)
   Call: (212) [system] 'A'=(/)
   Fail: (212) [system] 'A'=(/)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Fail: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Fail: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Fail: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
   Fail: (213) [system] char_type('A', cntrl)
^  Fail: (212) [user] is_like_space('A')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _542240)
   Exit: (210) [system] peek_char((0x55772f068e50), 'A')
   Call: (210) [system] 'A'=')'
   Fail: (210) [system] 'A'=')'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x55772f068e50), _547810)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _549668)
   Exit: (212) [system] peek_char((0x55772f068e50), 'A')
   Call: (212) [system] 'A'=(;)
   Fail: (212) [system] 'A'=(;)
   Call: (212) [system] 'A'=(/)
   Fail: (212) [system] 'A'=(/)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Fail: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Fail: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Fail: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
   Fail: (213) [system] char_type('A', cntrl)
^  Fail: (212) [user] is_like_space('A')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] get_char((0x55772f068e50), _565678)
   Exit: (211) [system] get_char((0x55772f068e50), 'A')
   Call: (211) [system] 'A'='('
   Fail: (211) [system] 'A'='('
   Call: (211) [system] 'A'='['
   Fail: (211) [system] 'A'='['
   Call: (211) [system] 'A'='{'
   Fail: (211) [system] 'A'='{'
   Call: (211) [system] 'A'='"'
   Fail: (211) [system] 'A'='"'
   Call: (211) [system] 'A'=!
   Fail: (211) [system] 'A'=!
   Call: (211) [system] 'A'='\''
   Fail: (211) [system] 'A'='\''
   Call: (211) [system] 'A'='`'
   Fail: (211) [system] 'A'='`'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x55772f068e50), 'A', _547810)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _583320)
   Call: (213) [system] peek_char((0x55772f068e50), _584254)
   Exit: (213) [system] peek_char((0x55772f068e50), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _583320=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (212) [user] classify_and_convert_charseq(['A'], _547810)
^  Call: (213) [user] classify_and_convert_charseq_(['A'], _593538)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_594490, _594492), once(user:catch(read_from_chars(['A'], _593538), _594472, fail)), '$restore_trace'(_594490, _594492))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_594490, _594492))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _593538), _594472, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_593538)
   Fail: (214) [system] atomic(_593538)
   Call: (214) [system] atom_chars(_593538, ['A'])
   Exit: (214) [system] atom_chars('A', ['A'])
^  Exit: (213) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (213) [system] integer('A')
   Fail: (213) [system] integer('A')
   Call: (213) [system] _547810='A'
   Exit: (213) [system] 'A'='A'
^  Exit: (212) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (211) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (210) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (210) [user] read_list(')', (0x55772f068e50), _608488)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _610346)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x55772f068e50), _619940)
   Exit: (212) [system] get_char((0x55772f068e50), ' ')
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _622644)
   Exit: (213) [system] peek_char((0x55772f068e50), 'B')
   Call: (213) [system] 'B'=(;)
   Fail: (213) [system] 'B'=(;)
   Call: (213) [system] 'B'=(/)
   Fail: (213) [system] 'B'=(/)
^  Call: (213) [user] is_like_space('B')
   Call: (214) [system] char_type('B', 'white')
   Fail: (214) [system] char_type('B', 'white')
   Call: (214) [system] char_type('B', end_of_line)
   Fail: (214) [system] char_type('B', end_of_line)
   Call: (214) [system] char_type('B', space)
   Fail: (214) [system] char_type('B', space)
   Call: (214) [system] char_type('B', cntrl)
   Fail: (214) [system] char_type('B', cntrl)
^  Fail: (213) [user] is_like_space('B')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _639578)
   Exit: (211) [system] peek_char((0x55772f068e50), 'B')
   Call: (211) [system] 'B'=')'
   Fail: (211) [system] 'B'=')'
   Call: (211) [system] 'B'=end_of_file
   Fail: (211) [system] 'B'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x55772f068e50), _645148)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _647006)
   Exit: (213) [system] peek_char((0x55772f068e50), 'B')
   Call: (213) [system] 'B'=(;)
   Fail: (213) [system] 'B'=(;)
   Call: (213) [system] 'B'=(/)
   Fail: (213) [system] 'B'=(/)
^  Call: (213) [user] is_like_space('B')
   Call: (214) [system] char_type('B', 'white')
   Fail: (214) [system] char_type('B', 'white')
   Call: (214) [system] char_type('B', end_of_line)
   Fail: (214) [system] char_type('B', end_of_line)
   Call: (214) [system] char_type('B', space)
   Fail: (214) [system] char_type('B', space)
   Call: (214) [system] char_type('B', cntrl)
   Fail: (214) [system] char_type('B', cntrl)
^  Fail: (213) [user] is_like_space('B')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] get_char((0x55772f068e50), _663016)
   Exit: (212) [system] get_char((0x55772f068e50), 'B')
   Call: (212) [system] 'B'='('
   Fail: (212) [system] 'B'='('
   Call: (212) [system] 'B'='['
   Fail: (212) [system] 'B'='['
   Call: (212) [system] 'B'='{'
   Fail: (212) [system] 'B'='{'
   Call: (212) [system] 'B'='"'
   Fail: (212) [system] 'B'='"'
   Call: (212) [system] 'B'=!
   Fail: (212) [system] 'B'=!
   Call: (212) [system] 'B'='\''
   Fail: (212) [system] 'B'='\''
   Call: (212) [system] 'B'='`'
   Fail: (212) [system] 'B'='`'
   Call: (212) [system] 'B'=end_of_file
   Fail: (212) [system] 'B'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x55772f068e50), 'B', _645148)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _680658)
   Call: (214) [system] peek_char((0x55772f068e50), _681592)
   Exit: (214) [system] peek_char((0x55772f068e50), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_686312, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _680658=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (213) [user] classify_and_convert_charseq(['B'], _645148)
^  Call: (214) [user] classify_and_convert_charseq_(['B'], _692748)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_693700, _693702), once(user:catch(read_from_chars(['B'], _692748), _693682, fail)), '$restore_trace'(_693700, _693702))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_693700, _693702))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _692748), _693682, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_692748)
   Fail: (215) [system] atomic(_692748)
   Call: (215) [system] atom_chars(_692748, ['B'])
   Exit: (215) [system] atom_chars('B', ['B'])
^  Exit: (214) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (214) [system] integer('B')
   Fail: (214) [system] integer('B')
   Call: (214) [system] _645148='B'
   Exit: (214) [system] 'B'='B'
^  Exit: (213) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (212) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (211) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (211) [user] read_list(')', (0x55772f068e50), _707698)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _709556)
   Exit: (213) [system] peek_char((0x55772f068e50), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
   Call: (213) [system] ')'=(/)
   Fail: (213) [system] ')'=(/)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _725566)
   Exit: (212) [system] peek_char((0x55772f068e50), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x55772f068e50), _729356)
   Exit: (212) [system] get_char((0x55772f068e50), ')')
   Call: (212) [system] _707698=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x55772f068e50), [])
   Call: (211) [system] _608488=['B']
   Exit: (211) [system] ['B']=['B']
^  Exit: (210) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (210) [system] _511150=['A', 'B']
   Exit: (210) [system] ['A', 'B']=['A', 'B']
^  Exit: (209) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (209) [system] _305074=['AndLink', 'A', 'B']
   Exit: (209) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (208) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (207) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (207) [user] read_list(')', (0x55772f068e50), _743238)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _745096)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x55772f068e50), _754690)
   Exit: (209) [system] get_char((0x55772f068e50), ' ')
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _757394)
   Exit: (210) [system] peek_char((0x55772f068e50), 'C')
   Call: (210) [system] 'C'=(;)
   Fail: (210) [system] 'C'=(;)
   Call: (210) [system] 'C'=(/)
   Fail: (210) [system] 'C'=(/)
^  Call: (210) [user] is_like_space('C')
   Call: (211) [system] char_type('C', 'white')
   Fail: (211) [system] char_type('C', 'white')
   Call: (211) [system] char_type('C', end_of_line)
   Fail: (211) [system] char_type('C', end_of_line)
   Call: (211) [system] char_type('C', space)
   Fail: (211) [system] char_type('C', space)
   Call: (211) [system] char_type('C', cntrl)
   Fail: (211) [system] char_type('C', cntrl)
^  Fail: (210) [user] is_like_space('C')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _774328)
   Exit: (208) [system] peek_char((0x55772f068e50), 'C')
   Call: (208) [system] 'C'=')'
   Fail: (208) [system] 'C'=')'
   Call: (208) [system] 'C'=end_of_file
   Fail: (208) [system] 'C'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x55772f068e50), _779898)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _781756)
   Exit: (210) [system] peek_char((0x55772f068e50), 'C')
   Call: (210) [system] 'C'=(;)
   Fail: (210) [system] 'C'=(;)
   Call: (210) [system] 'C'=(/)
   Fail: (210) [system] 'C'=(/)
^  Call: (210) [user] is_like_space('C')
   Call: (211) [system] char_type('C', 'white')
   Fail: (211) [system] char_type('C', 'white')
   Call: (211) [system] char_type('C', end_of_line)
   Fail: (211) [system] char_type('C', end_of_line)
   Call: (211) [system] char_type('C', space)
   Fail: (211) [system] char_type('C', space)
   Call: (211) [system] char_type('C', cntrl)
   Fail: (211) [system] char_type('C', cntrl)
^  Fail: (210) [user] is_like_space('C')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] get_char((0x55772f068e50), _797766)
   Exit: (209) [system] get_char((0x55772f068e50), 'C')
   Call: (209) [system] 'C'='('
   Fail: (209) [system] 'C'='('
   Call: (209) [system] 'C'='['
   Fail: (209) [system] 'C'='['
   Call: (209) [system] 'C'='{'
   Fail: (209) [system] 'C'='{'
   Call: (209) [system] 'C'='"'
   Fail: (209) [system] 'C'='"'
   Call: (209) [system] 'C'=!
   Fail: (209) [system] 'C'=!
   Call: (209) [system] 'C'='\''
   Fail: (209) [system] 'C'='\''
   Call: (209) [system] 'C'='`'
   Fail: (209) [system] 'C'='`'
   Call: (209) [system] 'C'=end_of_file
   Fail: (209) [system] 'C'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x55772f068e50), 'C', _779898)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _815408)
   Call: (211) [system] peek_char((0x55772f068e50), _816342)
   Exit: (211) [system] peek_char((0x55772f068e50), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_821062, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _815408=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (210) [user] classify_and_convert_charseq(['C'], _779898)
^  Call: (211) [user] classify_and_convert_charseq_(['C'], _827498)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_828450, _828452), once(user:catch(read_from_chars(['C'], _827498), _828432, fail)), '$restore_trace'(_828450, _828452))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_828450, _828452))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _827498), _828432, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_827498)
   Fail: (212) [system] atomic(_827498)
   Call: (212) [system] atom_chars(_827498, ['C'])
   Exit: (212) [system] atom_chars('C', ['C'])
^  Exit: (211) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (211) [system] integer('C')
   Fail: (211) [system] integer('C')
   Call: (211) [system] _779898='C'
   Exit: (211) [system] 'C'='C'
^  Exit: (210) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (209) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (208) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (208) [user] read_list(')', (0x55772f068e50), _842448)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _844306)
   Exit: (210) [system] peek_char((0x55772f068e50), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
   Call: (210) [system] ')'=(/)
   Fail: (210) [system] ')'=(/)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _860316)
   Exit: (209) [system] peek_char((0x55772f068e50), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x55772f068e50), _864106)
   Exit: (209) [system] get_char((0x55772f068e50), ')')
   Call: (209) [system] _842448=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x55772f068e50), [])
   Call: (208) [system] _743238=['C']
   Exit: (208) [system] ['C']=['C']
^  Exit: (207) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (207) [system] _268414=[['AndLink', 'A', 'B'], 'C']
   Exit: (207) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (206) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (206) [system] _4030=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (206) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (205) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (204) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (204) [user] read_list(')', (0x55772f068e50), _877988)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _879846)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x55772f068e50), _889440)
   Exit: (206) [system] get_char((0x55772f068e50), ' ')
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _892144)
   Exit: (207) [system] peek_char((0x55772f068e50), 'B')
   Call: (207) [system] 'B'=(;)
   Fail: (207) [system] 'B'=(;)
   Call: (207) [system] 'B'=(/)
   Fail: (207) [system] 'B'=(/)
^  Call: (207) [user] is_like_space('B')
   Call: (208) [system] char_type('B', 'white')
   Fail: (208) [system] char_type('B', 'white')
   Call: (208) [system] char_type('B', end_of_line)
   Fail: (208) [system] char_type('B', end_of_line)
   Call: (208) [system] char_type('B', space)
   Fail: (208) [system] char_type('B', space)
   Call: (208) [system] char_type('B', cntrl)
   Fail: (208) [system] char_type('B', cntrl)
^  Fail: (207) [user] is_like_space('B')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _909078)
   Exit: (205) [system] peek_char((0x55772f068e50), 'B')
   Call: (205) [system] 'B'=')'
   Fail: (205) [system] 'B'=')'
   Call: (205) [system] 'B'=end_of_file
   Fail: (205) [system] 'B'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x55772f068e50), _914648)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _916506)
   Exit: (207) [system] peek_char((0x55772f068e50), 'B')
   Call: (207) [system] 'B'=(;)
   Fail: (207) [system] 'B'=(;)
   Call: (207) [system] 'B'=(/)
   Fail: (207) [system] 'B'=(/)
^  Call: (207) [user] is_like_space('B')
   Call: (208) [system] char_type('B', 'white')
   Fail: (208) [system] char_type('B', 'white')
   Call: (208) [system] char_type('B', end_of_line)
   Fail: (208) [system] char_type('B', end_of_line)
   Call: (208) [system] char_type('B', space)
   Fail: (208) [system] char_type('B', space)
   Call: (208) [system] char_type('B', cntrl)
   Fail: (208) [system] char_type('B', cntrl)
^  Fail: (207) [user] is_like_space('B')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] get_char((0x55772f068e50), _932516)
   Exit: (206) [system] get_char((0x55772f068e50), 'B')
   Call: (206) [system] 'B'='('
   Fail: (206) [system] 'B'='('
   Call: (206) [system] 'B'='['
   Fail: (206) [system] 'B'='['
   Call: (206) [system] 'B'='{'
   Fail: (206) [system] 'B'='{'
   Call: (206) [system] 'B'='"'
   Fail: (206) [system] 'B'='"'
   Call: (206) [system] 'B'=!
   Fail: (206) [system] 'B'=!
   Call: (206) [system] 'B'='\''
   Fail: (206) [system] 'B'='\''
   Call: (206) [system] 'B'='`'
   Fail: (206) [system] 'B'='`'
   Call: (206) [system] 'B'=end_of_file
   Fail: (206) [system] 'B'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x55772f068e50), 'B', _914648)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _950158)
   Call: (208) [system] peek_char((0x55772f068e50), _951092)
   Exit: (208) [system] peek_char((0x55772f068e50), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_955812, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _950158=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (207) [user] classify_and_convert_charseq(['B'], _914648)
^  Call: (208) [user] classify_and_convert_charseq_(['B'], _962248)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_963200, _963202), once(user:catch(read_from_chars(['B'], _962248), _963182, fail)), '$restore_trace'(_963200, _963202))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_963200, _963202))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _962248), _963182, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_962248)
   Fail: (209) [system] atomic(_962248)
   Call: (209) [system] atom_chars(_962248, ['B'])
   Exit: (209) [system] atom_chars('B', ['B'])
^  Exit: (208) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (208) [system] integer('B')
   Fail: (208) [system] integer('B')
   Call: (208) [system] _914648='B'
   Exit: (208) [system] 'B'='B'
^  Exit: (207) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (206) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (205) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (205) [user] read_list(')', (0x55772f068e50), _977198)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _979056)
   Exit: (207) [system] peek_char((0x55772f068e50), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
   Call: (207) [system] ')'=(/)
   Fail: (207) [system] ')'=(/)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _995066)
   Exit: (206) [system] peek_char((0x55772f068e50), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x55772f068e50), _998856)
   Exit: (206) [system] get_char((0x55772f068e50), ')')
   Call: (206) [system] _977198=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x55772f068e50), [])
   Call: (205) [system] _877988=['B']
   Exit: (205) [system] ['B']=['B']
^  Exit: (204) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (204) [system] _4026=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (204) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (203) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
   Call: (203) [system] _4018=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (203) [system] ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (202) [user] read_list(')', (0x55772f068e50), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Call: (201) [user] read_list(')', (0x55772f068e50), _1012738)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1014596)
   Exit: (203) [system] peek_char((0x55772f068e50), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1030606)
   Exit: (202) [system] peek_char((0x55772f068e50), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x55772f068e50), _1034396)
   Exit: (202) [system] get_char((0x55772f068e50), ')')
   Call: (202) [system] _1012738=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [])
   Call: (201) [system] _4014=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (201) [system] [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (200) [system] _3990=[['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (200) [system] [['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (199) [system] _3982=[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (199) [system] [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Call: (197) [user] read_list(')', (0x55772f068e50), _1048278)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1050136)
   Exit: (199) [system] peek_char((0x55772f068e50), '\n')
   Call: (199) [system] '\n'=(;)
   Fail: (199) [system] '\n'=(;)
   Call: (199) [system] '\n'=(/)
   Fail: (199) [system] '\n'=(/)
^  Call: (199) [user] is_like_space('\n')
   Call: (200) [system] char_type('\n', 'white')
   Fail: (200) [system] char_type('\n', 'white')
   Call: (200) [system] char_type('\n', end_of_line)
   Exit: (200) [system] char_type('\n', end_of_line)
^  Exit: (199) [user] is_like_space('\n')
   Call: (199) [system] get_char((0x55772f068e50), _1061586)
   Exit: (199) [system] get_char((0x55772f068e50), '\n')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1064290)
   Exit: (200) [system] peek_char((0x55772f068e50), '\t')
   Call: (200) [system] '\t'=(;)
   Fail: (200) [system] '\t'=(;)
   Call: (200) [system] '\t'=(/)
   Fail: (200) [system] '\t'=(/)
^  Call: (200) [user] is_like_space('\t')
   Call: (201) [system] char_type('\t', 'white')
   Exit: (201) [system] char_type('\t', 'white')
^  Exit: (200) [user] is_like_space('\t')
   Call: (200) [system] get_char((0x55772f068e50), _1073884)
   Exit: (200) [system] get_char((0x55772f068e50), '\t')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1076588)
   Exit: (201) [system] peek_char((0x55772f068e50), '\t')
   Call: (201) [system] '\t'=(;)
   Fail: (201) [system] '\t'=(;)
   Call: (201) [system] '\t'=(/)
   Fail: (201) [system] '\t'=(/)
^  Call: (201) [user] is_like_space('\t')
   Call: (202) [system] char_type('\t', 'white')
   Exit: (202) [system] char_type('\t', 'white')
^  Exit: (201) [user] is_like_space('\t')
   Call: (201) [system] get_char((0x55772f068e50), _1086182)
   Exit: (201) [system] get_char((0x55772f068e50), '\t')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1088886)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _1098480)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1101184)
   Exit: (203) [system] peek_char((0x55772f068e50), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1120890)
   Exit: (198) [system] peek_char((0x55772f068e50), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _1126460)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1128318)
   Exit: (200) [system] peek_char((0x55772f068e50), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _1144328)
   Exit: (199) [system] get_char((0x55772f068e50), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x55772f068e50), _1126460)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1149898)
   Exit: (201) [system] peek_char((0x55772f068e50), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1165908)
   Exit: (200) [system] peek_char((0x55772f068e50), :)
   Call: (200) [system] (:)=')'
   Fail: (200) [system] (:)=')'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _1171478)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1173336)
   Exit: (202) [system] peek_char((0x55772f068e50), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
   Call: (202) [system] (:)=(/)
   Fail: (202) [system] (:)=(/)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _1189346)
   Exit: (201) [system] get_char((0x55772f068e50), :)
   Call: (201) [system] (:)='('
   Fail: (201) [system] (:)='('
   Call: (201) [system] (:)='['
   Fail: (201) [system] (:)='['
   Call: (201) [system] (:)='{'
   Fail: (201) [system] (:)='{'
   Call: (201) [system] (:)='"'
   Fail: (201) [system] (:)='"'
   Call: (201) [system] (:)=!
   Fail: (201) [system] (:)=!
   Call: (201) [system] (:)='\''
   Fail: (201) [system] (:)='\''
   Call: (201) [system] (:)='`'
   Fail: (201) [system] (:)='`'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), :, _1171478)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1206988)
   Call: (203) [system] peek_char((0x55772f068e50), _1207922)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1206988=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (202) [user] classify_and_convert_charseq([:], _1171478)
^  Call: (203) [user] classify_and_convert_charseq_([:], _1217206)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1218158, _1218160), once(user:catch(read_from_chars([:], _1217206), _1218140, fail)), '$restore_trace'(_1218158, _1218160))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1218158, _1218160))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1218140, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(:)
   Exit: (204) [system] atomic(:)
^  Exit: (203) [user] classify_and_convert_charseq_([:], :)
   Call: (203) [system] integer(:)
   Fail: (203) [system] integer(:)
   Call: (203) [system] _1171478=(:)
   Exit: (203) [system] (:)=(:)
^  Exit: (202) [user] classify_and_convert_charseq([:], :)
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (200) [user] read_list(')', (0x55772f068e50), _1230286)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1232144)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _1241738)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1244442)
   Exit: (203) [system] peek_char((0x55772f068e50), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1261376)
   Exit: (201) [system] peek_char((0x55772f068e50), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _1266946)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1268804)
   Exit: (203) [system] peek_char((0x55772f068e50), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _1284814)
   Exit: (202) [system] get_char((0x55772f068e50), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x55772f068e50), _1266946)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1290384)
   Exit: (204) [system] peek_char((0x55772f068e50), 'C')
   Call: (204) [system] 'C'=(;)
   Fail: (204) [system] 'C'=(;)
   Call: (204) [system] 'C'=(/)
   Fail: (204) [system] 'C'=(/)
^  Call: (204) [user] is_like_space('C')
   Call: (205) [system] char_type('C', 'white')
   Fail: (205) [system] char_type('C', 'white')
   Call: (205) [system] char_type('C', end_of_line)
   Fail: (205) [system] char_type('C', end_of_line)
   Call: (205) [system] char_type('C', space)
   Fail: (205) [system] char_type('C', space)
   Call: (205) [system] char_type('C', cntrl)
   Fail: (205) [system] char_type('C', cntrl)
^  Fail: (204) [user] is_like_space('C')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1306394)
   Exit: (203) [system] peek_char((0x55772f068e50), 'C')
   Call: (203) [system] 'C'=')'
   Fail: (203) [system] 'C'=')'
   Call: (203) [system] 'C'=end_of_file
   Fail: (203) [system] 'C'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x55772f068e50), _1311964)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1313822)
   Exit: (205) [system] peek_char((0x55772f068e50), 'C')
   Call: (205) [system] 'C'=(;)
   Fail: (205) [system] 'C'=(;)
   Call: (205) [system] 'C'=(/)
   Fail: (205) [system] 'C'=(/)
^  Call: (205) [user] is_like_space('C')
   Call: (206) [system] char_type('C', 'white')
   Fail: (206) [system] char_type('C', 'white')
   Call: (206) [system] char_type('C', end_of_line)
   Fail: (206) [system] char_type('C', end_of_line)
   Call: (206) [system] char_type('C', space)
   Fail: (206) [system] char_type('C', space)
   Call: (206) [system] char_type('C', cntrl)
   Fail: (206) [system] char_type('C', cntrl)
^  Fail: (205) [user] is_like_space('C')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] get_char((0x55772f068e50), _1329832)
   Exit: (204) [system] get_char((0x55772f068e50), 'C')
   Call: (204) [system] 'C'='('
   Fail: (204) [system] 'C'='('
   Call: (204) [system] 'C'='['
   Fail: (204) [system] 'C'='['
   Call: (204) [system] 'C'='{'
   Fail: (204) [system] 'C'='{'
   Call: (204) [system] 'C'='"'
   Fail: (204) [system] 'C'='"'
   Call: (204) [system] 'C'=!
   Fail: (204) [system] 'C'=!
   Call: (204) [system] 'C'='\''
   Fail: (204) [system] 'C'='\''
   Call: (204) [system] 'C'='`'
   Fail: (204) [system] 'C'='`'
   Call: (204) [system] 'C'=end_of_file
   Fail: (204) [system] 'C'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x55772f068e50), 'C', _1311964)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1347474)
   Call: (206) [system] peek_char((0x55772f068e50), _1348408)
   Exit: (206) [system] peek_char((0x55772f068e50), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1353128, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1354060, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x55772f068e50), o)
   Exit: (206) [system] get_char((0x55772f068e50), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1361410)
   Call: (207) [system] peek_char((0x55772f068e50), _1362344)
   Exit: (207) [system] peek_char((0x55772f068e50), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_1367064, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_1367996, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x55772f068e50), n)
   Exit: (207) [system] get_char((0x55772f068e50), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1375346)
   Call: (208) [system] peek_char((0x55772f068e50), _1376280)
   Exit: (208) [system] peek_char((0x55772f068e50), j)
^  Call: (208) [user] is_delimiter(j)
   Call: (209) [system] char_type(j, space)
   Fail: (209) [system] char_type(j, space)
   Call: (209) [system] arg(_1381000, v('(', ')', end_of_file), j)
   Fail: (209) [system] arg(_1381932, v('(', ')', end_of_file), j)
^  Fail: (208) [user] is_delimiter(j)
   Call: (208) [system] ')'==j
   Fail: (208) [system] ')'==j
   Call: (208) [system] get_char((0x55772f068e50), j)
   Exit: (208) [system] get_char((0x55772f068e50), j)
   Call: (208) [system] j=(\)
   Fail: (208) [system] j=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1389282)
   Call: (209) [system] peek_char((0x55772f068e50), _1390216)
   Exit: (209) [system] peek_char((0x55772f068e50), u)
^  Call: (209) [user] is_delimiter(u)
   Call: (210) [system] char_type(u, space)
   Fail: (210) [system] char_type(u, space)
   Call: (210) [system] arg(_1394936, v('(', ')', end_of_file), u)
   Fail: (210) [system] arg(_1395868, v('(', ')', end_of_file), u)
^  Fail: (209) [user] is_delimiter(u)
   Call: (209) [system] ')'==u
   Fail: (209) [system] ')'==u
   Call: (209) [system] get_char((0x55772f068e50), u)
   Exit: (209) [system] get_char((0x55772f068e50), u)
   Call: (209) [system] u=(\)
   Fail: (209) [system] u=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1403218)
   Call: (210) [system] peek_char((0x55772f068e50), _1404152)
   Exit: (210) [system] peek_char((0x55772f068e50), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_1408872, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_1409804, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x55772f068e50), n)
   Exit: (210) [system] get_char((0x55772f068e50), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1417154)
   Call: (211) [system] peek_char((0x55772f068e50), _1418088)
   Exit: (211) [system] peek_char((0x55772f068e50), c)
^  Call: (211) [user] is_delimiter(c)
   Call: (212) [system] char_type(c, space)
   Fail: (212) [system] char_type(c, space)
   Call: (212) [system] arg(_1422808, v('(', ')', end_of_file), c)
   Fail: (212) [system] arg(_1423740, v('(', ')', end_of_file), c)
^  Fail: (211) [user] is_delimiter(c)
   Call: (211) [system] ')'==c
   Fail: (211) [system] ')'==c
   Call: (211) [system] get_char((0x55772f068e50), c)
   Exit: (211) [system] get_char((0x55772f068e50), c)
   Call: (211) [system] c=(\)
   Fail: (211) [system] c=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1431090)
   Call: (212) [system] peek_char((0x55772f068e50), _1432024)
   Exit: (212) [system] peek_char((0x55772f068e50), t)
^  Call: (212) [user] is_delimiter(t)
   Call: (213) [system] char_type(t, space)
   Fail: (213) [system] char_type(t, space)
   Call: (213) [system] arg(_1436744, v('(', ')', end_of_file), t)
   Fail: (213) [system] arg(_1437676, v('(', ')', end_of_file), t)
^  Fail: (212) [user] is_delimiter(t)
   Call: (212) [system] ')'==t
   Fail: (212) [system] ')'==t
   Call: (212) [system] get_char((0x55772f068e50), t)
   Exit: (212) [system] get_char((0x55772f068e50), t)
   Call: (212) [system] t=(\)
   Fail: (212) [system] t=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1445026)
   Call: (213) [system] peek_char((0x55772f068e50), _1445960)
   Exit: (213) [system] peek_char((0x55772f068e50), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1450680, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1451612, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x55772f068e50), i)
   Exit: (213) [system] get_char((0x55772f068e50), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1458962)
   Call: (214) [system] peek_char((0x55772f068e50), _1459896)
   Exit: (214) [system] peek_char((0x55772f068e50), o)
^  Call: (214) [user] is_delimiter(o)
   Call: (215) [system] char_type(o, space)
   Fail: (215) [system] char_type(o, space)
   Call: (215) [system] arg(_1464616, v('(', ')', end_of_file), o)
   Fail: (215) [system] arg(_1465548, v('(', ')', end_of_file), o)
^  Fail: (214) [user] is_delimiter(o)
   Call: (214) [system] ')'==o
   Fail: (214) [system] ')'==o
   Call: (214) [system] get_char((0x55772f068e50), o)
   Exit: (214) [system] get_char((0x55772f068e50), o)
   Call: (214) [system] o=(\)
   Fail: (214) [system] o=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1472898)
   Call: (215) [system] peek_char((0x55772f068e50), _1473832)
   Exit: (215) [system] peek_char((0x55772f068e50), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1478552, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1479484, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x55772f068e50), n)
   Exit: (215) [system] get_char((0x55772f068e50), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1486834)
   Call: (216) [system] peek_char((0x55772f068e50), _1487768)
   Exit: (216) [system] peek_char((0x55772f068e50), 'I')
^  Call: (216) [user] is_delimiter('I')
   Call: (217) [system] char_type('I', space)
   Fail: (217) [system] char_type('I', space)
   Call: (217) [system] arg(_1492488, v('(', ')', end_of_file), 'I')
   Fail: (217) [system] arg(_1493420, v('(', ')', end_of_file), 'I')
^  Fail: (216) [user] is_delimiter('I')
   Call: (216) [system] ')'=='I'
   Fail: (216) [system] ')'=='I'
   Call: (216) [system] get_char((0x55772f068e50), 'I')
   Exit: (216) [system] get_char((0x55772f068e50), 'I')
   Call: (216) [system] 'I'=(\)
   Fail: (216) [system] 'I'=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1500770)
   Call: (217) [system] peek_char((0x55772f068e50), _1501704)
   Exit: (217) [system] peek_char((0x55772f068e50), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1506424, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1507356, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x55772f068e50), n)
   Exit: (217) [system] get_char((0x55772f068e50), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1514706)
   Call: (218) [system] peek_char((0x55772f068e50), _1515640)
   Exit: (218) [system] peek_char((0x55772f068e50), t)
^  Call: (218) [user] is_delimiter(t)
   Call: (219) [system] char_type(t, space)
   Fail: (219) [system] char_type(t, space)
   Call: (219) [system] arg(_1520360, v('(', ')', end_of_file), t)
   Fail: (219) [system] arg(_1521292, v('(', ')', end_of_file), t)
^  Fail: (218) [user] is_delimiter(t)
   Call: (218) [system] ')'==t
   Fail: (218) [system] ')'==t
   Call: (218) [system] get_char((0x55772f068e50), t)
   Exit: (218) [system] get_char((0x55772f068e50), t)
   Call: (218) [system] t=(\)
   Fail: (218) [system] t=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1528642)
   Call: (219) [system] peek_char((0x55772f068e50), _1529576)
   Exit: (219) [system] peek_char((0x55772f068e50), r)
^  Call: (219) [user] is_delimiter(r)
   Call: (220) [system] char_type(r, space)
   Fail: (220) [system] char_type(r, space)
   Call: (220) [system] arg(_1534296, v('(', ')', end_of_file), r)
   Fail: (220) [system] arg(_1535228, v('(', ')', end_of_file), r)
^  Fail: (219) [user] is_delimiter(r)
   Call: (219) [system] ')'==r
   Fail: (219) [system] ')'==r
   Call: (219) [system] get_char((0x55772f068e50), r)
   Exit: (219) [system] get_char((0x55772f068e50), r)
   Call: (219) [system] r=(\)
   Fail: (219) [system] r=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1542578)
   Call: (220) [system] peek_char((0x55772f068e50), _1543512)
   Exit: (220) [system] peek_char((0x55772f068e50), o)
^  Call: (220) [user] is_delimiter(o)
   Call: (221) [system] char_type(o, space)
   Fail: (221) [system] char_type(o, space)
   Call: (221) [system] arg(_1548232, v('(', ')', end_of_file), o)
   Fail: (221) [system] arg(_1549164, v('(', ')', end_of_file), o)
^  Fail: (220) [user] is_delimiter(o)
   Call: (220) [system] ')'==o
   Fail: (220) [system] ')'==o
   Call: (220) [system] get_char((0x55772f068e50), o)
   Exit: (220) [system] get_char((0x55772f068e50), o)
   Call: (220) [system] o=(\)
   Fail: (220) [system] o=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1556514)
   Call: (221) [system] peek_char((0x55772f068e50), _1557448)
   Exit: (221) [system] peek_char((0x55772f068e50), d)
^  Call: (221) [user] is_delimiter(d)
   Call: (222) [system] char_type(d, space)
   Fail: (222) [system] char_type(d, space)
   Call: (222) [system] arg(_1562168, v('(', ')', end_of_file), d)
   Fail: (222) [system] arg(_1563100, v('(', ')', end_of_file), d)
^  Fail: (221) [user] is_delimiter(d)
   Call: (221) [system] ')'==d
   Fail: (221) [system] ')'==d
   Call: (221) [system] get_char((0x55772f068e50), d)
   Exit: (221) [system] get_char((0x55772f068e50), d)
   Call: (221) [system] d=(\)
   Fail: (221) [system] d=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1570450)
   Call: (222) [system] peek_char((0x55772f068e50), _1571384)
   Exit: (222) [system] peek_char((0x55772f068e50), u)
^  Call: (222) [user] is_delimiter(u)
   Call: (223) [system] char_type(u, space)
   Fail: (223) [system] char_type(u, space)
   Call: (223) [system] arg(_1576104, v('(', ')', end_of_file), u)
   Fail: (223) [system] arg(_1577036, v('(', ')', end_of_file), u)
^  Fail: (222) [user] is_delimiter(u)
   Call: (222) [system] ')'==u
   Fail: (222) [system] ')'==u
   Call: (222) [system] get_char((0x55772f068e50), u)
   Exit: (222) [system] get_char((0x55772f068e50), u)
   Call: (222) [system] u=(\)
   Fail: (222) [system] u=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1584386)
   Call: (223) [system] peek_char((0x55772f068e50), _1585320)
   Exit: (223) [system] peek_char((0x55772f068e50), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_1590040, v('(', ')', end_of_file), c)
   Fail: (224) [system] arg(_1590972, v('(', ')', end_of_file), c)
^  Fail: (223) [user] is_delimiter(c)
   Call: (223) [system] ')'==c
   Fail: (223) [system] ')'==c
   Call: (223) [system] get_char((0x55772f068e50), c)
   Exit: (223) [system] get_char((0x55772f068e50), c)
   Call: (223) [system] c=(\)
   Fail: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1598322)
   Call: (224) [system] peek_char((0x55772f068e50), _1599256)
   Exit: (224) [system] peek_char((0x55772f068e50), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_1603976, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_1604908, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x55772f068e50), t)
   Exit: (224) [system] get_char((0x55772f068e50), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1612258)
   Call: (225) [system] peek_char((0x55772f068e50), _1613192)
   Exit: (225) [system] peek_char((0x55772f068e50), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1617912, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_1618844, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x55772f068e50), i)
   Exit: (225) [system] get_char((0x55772f068e50), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1626194)
   Call: (226) [system] peek_char((0x55772f068e50), _1627128)
   Exit: (226) [system] peek_char((0x55772f068e50), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_1631848, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_1632780, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x55772f068e50), o)
   Exit: (226) [system] get_char((0x55772f068e50), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1640130)
   Call: (227) [system] peek_char((0x55772f068e50), _1641064)
   Exit: (227) [system] peek_char((0x55772f068e50), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1645784, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_1646716, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x55772f068e50), n)
   Exit: (227) [system] get_char((0x55772f068e50), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1654066)
   Call: (228) [system] peek_char((0x55772f068e50), _1655000)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1654066=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (227) [system] _1640130=[n]
   Exit: (227) [system] [n]=[n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (226) [system] _1626194=[o, n]
   Exit: (226) [system] [o, n]=[o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (225) [system] _1612258=[i, o, n]
   Exit: (225) [system] [i, o, n]=[i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (224) [system] _1598322=[t, i, o, n]
   Exit: (224) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (223) [system] _1584386=[c, t, i, o, n]
   Exit: (223) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (222) [system] _1570450=[u, c, t, i, o, n]
   Exit: (222) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (221) [system] _1556514=[d, u, c, t, i, o, n]
   Exit: (221) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (220) [system] _1542578=[o, d, u, c, t, i, o, n]
   Exit: (220) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (219) [system] _1528642=[r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1514706=[t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1500770=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1486834=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1472898=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1458962=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1445026=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1431090=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1417154=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1403218=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1389282=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _1375346=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _1361410=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _1347474=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (205) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1311964)
^  Call: (206) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1725752)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1726704, _1726706), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1725752), _1726686, fail)), '$restore_trace'(_1726704, _1726706))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1726704, _1726706))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1725752), _1726686, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_1725752)
   Fail: (207) [system] atomic(_1725752)
   Call: (207) [system] atom_chars(_1725752, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (207) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (206) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (206) [system] integer('ConjunctionIntroduction')
   Fail: (206) [system] integer('ConjunctionIntroduction')
   Call: (206) [system] _1311964='ConjunctionIntroduction'
   Exit: (206) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (205) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (204) [user] read_symbolic(')', (0x55772f068e50), 'C', 'ConjunctionIntroduction')
^  Exit: (203) [user] cont_sexpr(')', (0x55772f068e50), 'ConjunctionIntroduction')
^  Call: (203) [user] read_list(')', (0x55772f068e50), _1740702)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1742560)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x55772f068e50), _1752154)
   Exit: (205) [system] get_char((0x55772f068e50), ' ')
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1754858)
   Exit: (206) [system] peek_char((0x55772f068e50), c)
   Call: (206) [system] c=(;)
   Fail: (206) [system] c=(;)
   Call: (206) [system] c=(/)
   Fail: (206) [system] c=(/)
^  Call: (206) [user] is_like_space(c)
   Call: (207) [system] char_type(c, 'white')
   Fail: (207) [system] char_type(c, 'white')
   Call: (207) [system] char_type(c, end_of_line)
   Fail: (207) [system] char_type(c, end_of_line)
   Call: (207) [system] char_type(c, space)
   Fail: (207) [system] char_type(c, space)
   Call: (207) [system] char_type(c, cntrl)
   Fail: (207) [system] char_type(c, cntrl)
^  Fail: (206) [user] is_like_space(c)
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1771792)
   Exit: (204) [system] peek_char((0x55772f068e50), c)
   Call: (204) [system] c=')'
   Fail: (204) [system] c=')'
   Call: (204) [system] c=end_of_file
   Fail: (204) [system] c=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x55772f068e50), _1777362)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1779220)
   Exit: (206) [system] peek_char((0x55772f068e50), c)
   Call: (206) [system] c=(;)
   Fail: (206) [system] c=(;)
   Call: (206) [system] c=(/)
   Fail: (206) [system] c=(/)
^  Call: (206) [user] is_like_space(c)
   Call: (207) [system] char_type(c, 'white')
   Fail: (207) [system] char_type(c, 'white')
   Call: (207) [system] char_type(c, end_of_line)
   Fail: (207) [system] char_type(c, end_of_line)
   Call: (207) [system] char_type(c, space)
   Fail: (207) [system] char_type(c, space)
   Call: (207) [system] char_type(c, cntrl)
   Fail: (207) [system] char_type(c, cntrl)
^  Fail: (206) [user] is_like_space(c)
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] get_char((0x55772f068e50), _1795230)
   Exit: (205) [system] get_char((0x55772f068e50), c)
   Call: (205) [system] c='('
   Fail: (205) [system] c='('
   Call: (205) [system] c='['
   Fail: (205) [system] c='['
   Call: (205) [system] c='{'
   Fail: (205) [system] c='{'
   Call: (205) [system] c='"'
   Fail: (205) [system] c='"'
   Call: (205) [system] c=!
   Fail: (205) [system] c=!
   Call: (205) [system] c='\''
   Fail: (205) [system] c='\''
   Call: (205) [system] c='`'
   Fail: (205) [system] c='`'
   Call: (205) [system] c=end_of_file
   Fail: (205) [system] c=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x55772f068e50), c, _1777362)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1812872)
   Call: (207) [system] peek_char((0x55772f068e50), _1813806)
   Exit: (207) [system] peek_char((0x55772f068e50), d)
^  Call: (207) [user] is_delimiter(d)
   Call: (208) [system] char_type(d, space)
   Fail: (208) [system] char_type(d, space)
   Call: (208) [system] arg(_1818526, v('(', ')', end_of_file), d)
   Fail: (208) [system] arg(_1819458, v('(', ')', end_of_file), d)
^  Fail: (207) [user] is_delimiter(d)
   Call: (207) [system] ')'==d
   Fail: (207) [system] ')'==d
   Call: (207) [system] get_char((0x55772f068e50), d)
   Exit: (207) [system] get_char((0x55772f068e50), d)
   Call: (207) [system] d=(\)
   Fail: (207) [system] d=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1826808)
   Call: (208) [system] peek_char((0x55772f068e50), _1827742)
   Exit: (208) [system] peek_char((0x55772f068e50), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_1832462, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_1833394, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x55772f068e50), e)
   Exit: (208) [system] get_char((0x55772f068e50), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1840744)
   Call: (209) [system] peek_char((0x55772f068e50), _1841678)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1840744=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (208) [system] _1826808=[e]
   Exit: (208) [system] [e]=[e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (207) [system] _1812872=[d, e]
   Exit: (207) [system] [d, e]=[d, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [d, e])
^  Call: (206) [user] classify_and_convert_charseq([c, d, e], _1777362)
^  Call: (207) [user] classify_and_convert_charseq_([c, d, e], _1856550)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1857502, _1857504), once(user:catch(read_from_chars([c, d, e], _1856550), _1857484, fail)), '$restore_trace'(_1857502, _1857504))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1857502, _1857504))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1857484, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(cde)
   Exit: (208) [system] atomic(cde)
^  Exit: (207) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (207) [system] integer(cde)
   Fail: (207) [system] integer(cde)
   Call: (207) [system] _1777362=cde
   Exit: (207) [system] cde=cde
^  Exit: (206) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (205) [user] read_symbolic(')', (0x55772f068e50), c, cde)
^  Exit: (204) [user] cont_sexpr(')', (0x55772f068e50), cde)
^  Call: (204) [user] read_list(')', (0x55772f068e50), _1869630)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1871488)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x55772f068e50), _1881082)
   Exit: (206) [system] get_char((0x55772f068e50), ' ')
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1883786)
   Exit: (207) [system] peek_char((0x55772f068e50), a)
   Call: (207) [system] a=(;)
   Fail: (207) [system] a=(;)
   Call: (207) [system] a=(/)
   Fail: (207) [system] a=(/)
^  Call: (207) [user] is_like_space(a)
   Call: (208) [system] char_type(a, 'white')
   Fail: (208) [system] char_type(a, 'white')
   Call: (208) [system] char_type(a, end_of_line)
   Fail: (208) [system] char_type(a, end_of_line)
   Call: (208) [system] char_type(a, space)
   Fail: (208) [system] char_type(a, space)
   Call: (208) [system] char_type(a, cntrl)
   Fail: (208) [system] char_type(a, cntrl)
^  Fail: (207) [user] is_like_space(a)
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1900720)
   Exit: (205) [system] peek_char((0x55772f068e50), a)
   Call: (205) [system] a=')'
   Fail: (205) [system] a=')'
   Call: (205) [system] a=end_of_file
   Fail: (205) [system] a=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x55772f068e50), _1906290)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1908148)
   Exit: (207) [system] peek_char((0x55772f068e50), a)
   Call: (207) [system] a=(;)
   Fail: (207) [system] a=(;)
   Call: (207) [system] a=(/)
   Fail: (207) [system] a=(/)
^  Call: (207) [user] is_like_space(a)
   Call: (208) [system] char_type(a, 'white')
   Fail: (208) [system] char_type(a, 'white')
   Call: (208) [system] char_type(a, end_of_line)
   Fail: (208) [system] char_type(a, end_of_line)
   Call: (208) [system] char_type(a, space)
   Fail: (208) [system] char_type(a, space)
   Call: (208) [system] char_type(a, cntrl)
   Fail: (208) [system] char_type(a, cntrl)
^  Fail: (207) [user] is_like_space(a)
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] get_char((0x55772f068e50), _1924158)
   Exit: (206) [system] get_char((0x55772f068e50), a)
   Call: (206) [system] a='('
   Fail: (206) [system] a='('
   Call: (206) [system] a='['
   Fail: (206) [system] a='['
   Call: (206) [system] a='{'
   Fail: (206) [system] a='{'
   Call: (206) [system] a='"'
   Fail: (206) [system] a='"'
   Call: (206) [system] a=!
   Fail: (206) [system] a=!
   Call: (206) [system] a='\''
   Fail: (206) [system] a='\''
   Call: (206) [system] a='`'
   Fail: (206) [system] a='`'
   Call: (206) [system] a=end_of_file
   Fail: (206) [system] a=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x55772f068e50), a, _1906290)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1941800)
   Call: (208) [system] peek_char((0x55772f068e50), _1942734)
   Exit: (208) [system] peek_char((0x55772f068e50), b)
^  Call: (208) [user] is_delimiter(b)
   Call: (209) [system] char_type(b, space)
   Fail: (209) [system] char_type(b, space)
   Call: (209) [system] arg(_1947454, v('(', ')', end_of_file), b)
   Fail: (209) [system] arg(_1948386, v('(', ')', end_of_file), b)
^  Fail: (208) [user] is_delimiter(b)
   Call: (208) [system] ')'==b
   Fail: (208) [system] ')'==b
   Call: (208) [system] get_char((0x55772f068e50), b)
   Exit: (208) [system] get_char((0x55772f068e50), b)
   Call: (208) [system] b=(\)
   Fail: (208) [system] b=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1955736)
   Call: (209) [system] peek_char((0x55772f068e50), _1956670)
   Exit: (209) [system] peek_char((0x55772f068e50), c)
^  Call: (209) [user] is_delimiter(c)
   Call: (210) [system] char_type(c, space)
   Fail: (210) [system] char_type(c, space)
   Call: (210) [system] arg(_1961390, v('(', ')', end_of_file), c)
   Fail: (210) [system] arg(_1962322, v('(', ')', end_of_file), c)
^  Fail: (209) [user] is_delimiter(c)
   Call: (209) [system] ')'==c
   Fail: (209) [system] ')'==c
   Call: (209) [system] get_char((0x55772f068e50), c)
   Exit: (209) [system] get_char((0x55772f068e50), c)
   Call: (209) [system] c=(\)
   Fail: (209) [system] c=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1969672)
   Call: (210) [system] peek_char((0x55772f068e50), _1970606)
   Exit: (210) [system] peek_char((0x55772f068e50), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_1975326, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _1969672=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (209) [system] _1955736=[c]
   Exit: (209) [system] [c]=[c]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (208) [system] _1941800=[b, c]
   Exit: (208) [system] [b, c]=[b, c]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (207) [user] classify_and_convert_charseq([a, b, c], _1906290)
^  Call: (208) [user] classify_and_convert_charseq_([a, b, c], _1987350)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1988302, _1988304), once(user:catch(read_from_chars([a, b, c], _1987350), _1988284, fail)), '$restore_trace'(_1988302, _1988304))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1988302, _1988304))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1988284, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(abc)
   Exit: (209) [system] atomic(abc)
^  Exit: (208) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (208) [system] integer(abc)
   Fail: (208) [system] integer(abc)
   Call: (208) [system] _1906290=abc
   Exit: (208) [system] abc=abc
^  Exit: (207) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (206) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (205) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (205) [user] read_list(')', (0x55772f068e50), _2000430)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _2002288)
   Exit: (207) [system] peek_char((0x55772f068e50), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
   Call: (207) [system] ')'=(/)
   Fail: (207) [system] ')'=(/)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _2018298)
   Exit: (206) [system] peek_char((0x55772f068e50), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x55772f068e50), _2022088)
   Exit: (206) [system] get_char((0x55772f068e50), ')')
   Call: (206) [system] _2000430=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x55772f068e50), [])
   Call: (205) [system] _1869630=[abc]
   Exit: (205) [system] [abc]=[abc]
^  Exit: (204) [user] read_list(')', (0x55772f068e50), [abc])
   Call: (204) [system] _1740702=[cde, abc]
   Exit: (204) [system] [cde, abc]=[cde, abc]
^  Exit: (203) [user] read_list(')', (0x55772f068e50), [cde, abc])
   Call: (203) [system] _1266946=['ConjunctionIntroduction', cde, abc]
   Exit: (203) [system] ['ConjunctionIntroduction', cde, abc]=['ConjunctionIntroduction', cde, abc]
^  Exit: (202) [user] read_list(')', (0x55772f068e50), ['ConjunctionIntroduction', cde, abc])
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), ['ConjunctionIntroduction', cde, abc])
^  Call: (201) [user] read_list(')', (0x55772f068e50), _2035970)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _2037828)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _2047422)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _2050126)
   Exit: (204) [system] peek_char((0x55772f068e50), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _2067060)
   Exit: (202) [system] peek_char((0x55772f068e50), '(')
   Call: (202) [system] '('=')'
   Fail: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
   Fail: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x55772f068e50), _2072630)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _2074488)
   Exit: (204) [system] peek_char((0x55772f068e50), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] get_char((0x55772f068e50), _2090498)
   Exit: (203) [system] get_char((0x55772f068e50), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x55772f068e50), _2072630)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _2096068)
   Exit: (205) [system] peek_char((0x55772f068e50), 'A')
   Call: (205) [system] 'A'=(;)
   Fail: (205) [system] 'A'=(;)
   Call: (205) [system] 'A'=(/)
   Fail: (205) [system] 'A'=(/)
^  Call: (205) [user] is_like_space('A')
   Call: (206) [system] char_type('A', 'white')
   Fail: (206) [system] char_type('A', 'white')
   Call: (206) [system] char_type('A', end_of_line)
   Fail: (206) [system] char_type('A', end_of_line)
   Call: (206) [system] char_type('A', space)
   Fail: (206) [system] char_type('A', space)
   Call: (206) [system] char_type('A', cntrl)
   Fail: (206) [system] char_type('A', cntrl)
^  Fail: (205) [user] is_like_space('A')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _19172)
   Exit: (204) [system] peek_char((0x55772f068e50), 'A')
   Call: (204) [system] 'A'=')'
   Fail: (204) [system] 'A'=')'
   Call: (204) [system] 'A'=end_of_file
   Fail: (204) [system] 'A'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x55772f068e50), _24742)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _26600)
   Exit: (206) [system] peek_char((0x55772f068e50), 'A')
   Call: (206) [system] 'A'=(;)
   Fail: (206) [system] 'A'=(;)
   Call: (206) [system] 'A'=(/)
   Fail: (206) [system] 'A'=(/)
^  Call: (206) [user] is_like_space('A')
   Call: (207) [system] char_type('A', 'white')
   Fail: (207) [system] char_type('A', 'white')
   Call: (207) [system] char_type('A', end_of_line)
   Fail: (207) [system] char_type('A', end_of_line)
   Call: (207) [system] char_type('A', space)
   Fail: (207) [system] char_type('A', space)
   Call: (207) [system] char_type('A', cntrl)
   Fail: (207) [system] char_type('A', cntrl)
^  Fail: (206) [user] is_like_space('A')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] get_char((0x55772f068e50), _42610)
   Exit: (205) [system] get_char((0x55772f068e50), 'A')
   Call: (205) [system] 'A'='('
   Fail: (205) [system] 'A'='('
   Call: (205) [system] 'A'='['
   Fail: (205) [system] 'A'='['
   Call: (205) [system] 'A'='{'
   Fail: (205) [system] 'A'='{'
   Call: (205) [system] 'A'='"'
   Fail: (205) [system] 'A'='"'
   Call: (205) [system] 'A'=!
   Fail: (205) [system] 'A'=!
   Call: (205) [system] 'A'='\''
   Fail: (205) [system] 'A'='\''
   Call: (205) [system] 'A'='`'
   Fail: (205) [system] 'A'='`'
   Call: (205) [system] 'A'=end_of_file
   Fail: (205) [system] 'A'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x55772f068e50), 'A', _24742)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _60252)
   Call: (207) [system] peek_char((0x55772f068e50), _61186)
   Exit: (207) [system] peek_char((0x55772f068e50), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_65906, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_66838, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x55772f068e50), n)
   Exit: (207) [system] get_char((0x55772f068e50), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _74188)
   Call: (208) [system] peek_char((0x55772f068e50), _75122)
   Exit: (208) [system] peek_char((0x55772f068e50), d)
^  Call: (208) [user] is_delimiter(d)
   Call: (209) [system] char_type(d, space)
   Fail: (209) [system] char_type(d, space)
   Call: (209) [system] arg(_79842, v('(', ')', end_of_file), d)
   Fail: (209) [system] arg(_80774, v('(', ')', end_of_file), d)
^  Fail: (208) [user] is_delimiter(d)
   Call: (208) [system] ')'==d
   Fail: (208) [system] ')'==d
   Call: (208) [system] get_char((0x55772f068e50), d)
   Exit: (208) [system] get_char((0x55772f068e50), d)
   Call: (208) [system] d=(\)
   Fail: (208) [system] d=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _88124)
   Call: (209) [system] peek_char((0x55772f068e50), _89058)
   Exit: (209) [system] peek_char((0x55772f068e50), 'L')
^  Call: (209) [user] is_delimiter('L')
   Call: (210) [system] char_type('L', space)
   Fail: (210) [system] char_type('L', space)
   Call: (210) [system] arg(_93778, v('(', ')', end_of_file), 'L')
   Fail: (210) [system] arg(_94710, v('(', ')', end_of_file), 'L')
^  Fail: (209) [user] is_delimiter('L')
   Call: (209) [system] ')'=='L'
   Fail: (209) [system] ')'=='L'
   Call: (209) [system] get_char((0x55772f068e50), 'L')
   Exit: (209) [system] get_char((0x55772f068e50), 'L')
   Call: (209) [system] 'L'=(\)
   Fail: (209) [system] 'L'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _102060)
   Call: (210) [system] peek_char((0x55772f068e50), _102994)
   Exit: (210) [system] peek_char((0x55772f068e50), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_107714, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_108646, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x55772f068e50), i)
   Exit: (210) [system] get_char((0x55772f068e50), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _115996)
   Call: (211) [system] peek_char((0x55772f068e50), _116930)
   Exit: (211) [system] peek_char((0x55772f068e50), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_121650, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_122582, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x55772f068e50), n)
   Exit: (211) [system] get_char((0x55772f068e50), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _129932)
   Call: (212) [system] peek_char((0x55772f068e50), _130866)
   Exit: (212) [system] peek_char((0x55772f068e50), k)
^  Call: (212) [user] is_delimiter(k)
   Call: (213) [system] char_type(k, space)
   Fail: (213) [system] char_type(k, space)
   Call: (213) [system] arg(_135586, v('(', ')', end_of_file), k)
   Fail: (213) [system] arg(_136518, v('(', ')', end_of_file), k)
^  Fail: (212) [user] is_delimiter(k)
   Call: (212) [system] ')'==k
   Fail: (212) [system] ')'==k
   Call: (212) [system] get_char((0x55772f068e50), k)
   Exit: (212) [system] get_char((0x55772f068e50), k)
   Call: (212) [system] k=(\)
   Fail: (212) [system] k=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _143868)
   Call: (213) [system] peek_char((0x55772f068e50), _144802)
   Exit: (213) [system] peek_char((0x55772f068e50), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _143868=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (212) [system] _129932=[k]
   Exit: (212) [system] [k]=[k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (211) [system] _115996=[n, k]
   Exit: (211) [system] [n, k]=[n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (210) [system] _102060=[i, n, k]
   Exit: (210) [system] [i, n, k]=[i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (209) [system] _88124=['L', i, n, k]
   Exit: (209) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (208) [system] _74188=[d, 'L', i, n, k]
   Exit: (208) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (207) [system] _60252=[n, d, 'L', i, n, k]
   Exit: (207) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (206) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _24742)
^  Call: (207) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _170850)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_171802, _171804), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _170850), _171784, fail)), '$restore_trace'(_171802, _171804))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_171802, _171804))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _170850), _171784, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_170850)
   Fail: (208) [system] atomic(_170850)
   Call: (208) [system] atom_chars(_170850, ['A', n, d, 'L', i, n, k])
   Exit: (208) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (207) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (207) [system] integer('AndLink')
   Fail: (207) [system] integer('AndLink')
   Call: (207) [system] _24742='AndLink'
   Exit: (207) [system] 'AndLink'='AndLink'
^  Exit: (206) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (205) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (204) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (204) [user] read_list(')', (0x55772f068e50), _185800)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _187658)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x55772f068e50), _197252)
   Exit: (206) [system] get_char((0x55772f068e50), ' ')
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _199956)
   Exit: (207) [system] peek_char((0x55772f068e50), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _216890)
   Exit: (205) [system] peek_char((0x55772f068e50), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x55772f068e50), _222460)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _224318)
   Exit: (207) [system] peek_char((0x55772f068e50), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] get_char((0x55772f068e50), _240328)
   Exit: (206) [system] get_char((0x55772f068e50), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x55772f068e50), _222460)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _245898)
   Exit: (208) [system] peek_char((0x55772f068e50), 'I')
   Call: (208) [system] 'I'=(;)
   Fail: (208) [system] 'I'=(;)
   Call: (208) [system] 'I'=(/)
   Fail: (208) [system] 'I'=(/)
^  Call: (208) [user] is_like_space('I')
   Call: (209) [system] char_type('I', 'white')
   Fail: (209) [system] char_type('I', 'white')
   Call: (209) [system] char_type('I', end_of_line)
   Fail: (209) [system] char_type('I', end_of_line)
   Call: (209) [system] char_type('I', space)
   Fail: (209) [system] char_type('I', space)
   Call: (209) [system] char_type('I', cntrl)
   Fail: (209) [system] char_type('I', cntrl)
^  Fail: (208) [user] is_like_space('I')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _261908)
   Exit: (207) [system] peek_char((0x55772f068e50), 'I')
   Call: (207) [system] 'I'=')'
   Fail: (207) [system] 'I'=')'
   Call: (207) [system] 'I'=end_of_file
   Fail: (207) [system] 'I'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x55772f068e50), _267478)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _269336)
   Exit: (209) [system] peek_char((0x55772f068e50), 'I')
   Call: (209) [system] 'I'=(;)
   Fail: (209) [system] 'I'=(;)
   Call: (209) [system] 'I'=(/)
   Fail: (209) [system] 'I'=(/)
^  Call: (209) [user] is_like_space('I')
   Call: (210) [system] char_type('I', 'white')
   Fail: (210) [system] char_type('I', 'white')
   Call: (210) [system] char_type('I', end_of_line)
   Fail: (210) [system] char_type('I', end_of_line)
   Call: (210) [system] char_type('I', space)
   Fail: (210) [system] char_type('I', space)
   Call: (210) [system] char_type('I', cntrl)
   Fail: (210) [system] char_type('I', cntrl)
^  Fail: (209) [user] is_like_space('I')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] get_char((0x55772f068e50), _285346)
   Exit: (208) [system] get_char((0x55772f068e50), 'I')
   Call: (208) [system] 'I'='('
   Fail: (208) [system] 'I'='('
   Call: (208) [system] 'I'='['
   Fail: (208) [system] 'I'='['
   Call: (208) [system] 'I'='{'
   Fail: (208) [system] 'I'='{'
   Call: (208) [system] 'I'='"'
   Fail: (208) [system] 'I'='"'
   Call: (208) [system] 'I'=!
   Fail: (208) [system] 'I'=!
   Call: (208) [system] 'I'='\''
   Fail: (208) [system] 'I'='\''
   Call: (208) [system] 'I'='`'
   Fail: (208) [system] 'I'='`'
   Call: (208) [system] 'I'=end_of_file
   Fail: (208) [system] 'I'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x55772f068e50), 'I', _267478)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _302988)
   Call: (210) [system] peek_char((0x55772f068e50), _303922)
   Exit: (210) [system] peek_char((0x55772f068e50), m)
^  Call: (210) [user] is_delimiter(m)
   Call: (211) [system] char_type(m, space)
   Fail: (211) [system] char_type(m, space)
   Call: (211) [system] arg(_308642, v('(', ')', end_of_file), m)
   Fail: (211) [system] arg(_309574, v('(', ')', end_of_file), m)
^  Fail: (210) [user] is_delimiter(m)
   Call: (210) [system] ')'==m
   Fail: (210) [system] ')'==m
   Call: (210) [system] get_char((0x55772f068e50), m)
   Exit: (210) [system] get_char((0x55772f068e50), m)
   Call: (210) [system] m=(\)
   Fail: (210) [system] m=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _316924)
   Call: (211) [system] peek_char((0x55772f068e50), _317858)
   Exit: (211) [system] peek_char((0x55772f068e50), p)
^  Call: (211) [user] is_delimiter(p)
   Call: (212) [system] char_type(p, space)
   Fail: (212) [system] char_type(p, space)
   Call: (212) [system] arg(_322578, v('(', ')', end_of_file), p)
   Fail: (212) [system] arg(_323510, v('(', ')', end_of_file), p)
^  Fail: (211) [user] is_delimiter(p)
   Call: (211) [system] ')'==p
   Fail: (211) [system] ')'==p
   Call: (211) [system] get_char((0x55772f068e50), p)
   Exit: (211) [system] get_char((0x55772f068e50), p)
   Call: (211) [system] p=(\)
   Fail: (211) [system] p=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _330860)
   Call: (212) [system] peek_char((0x55772f068e50), _331794)
   Exit: (212) [system] peek_char((0x55772f068e50), l)
^  Call: (212) [user] is_delimiter(l)
   Call: (213) [system] char_type(l, space)
   Fail: (213) [system] char_type(l, space)
   Call: (213) [system] arg(_336514, v('(', ')', end_of_file), l)
   Fail: (213) [system] arg(_337446, v('(', ')', end_of_file), l)
^  Fail: (212) [user] is_delimiter(l)
   Call: (212) [system] ')'==l
   Fail: (212) [system] ')'==l
   Call: (212) [system] get_char((0x55772f068e50), l)
   Exit: (212) [system] get_char((0x55772f068e50), l)
   Call: (212) [system] l=(\)
   Fail: (212) [system] l=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _344796)
   Call: (213) [system] peek_char((0x55772f068e50), _345730)
   Exit: (213) [system] peek_char((0x55772f068e50), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_350450, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_351382, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x55772f068e50), i)
   Exit: (213) [system] get_char((0x55772f068e50), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _358732)
   Call: (214) [system] peek_char((0x55772f068e50), _359666)
   Exit: (214) [system] peek_char((0x55772f068e50), c)
^  Call: (214) [user] is_delimiter(c)
   Call: (215) [system] char_type(c, space)
   Fail: (215) [system] char_type(c, space)
   Call: (215) [system] arg(_364386, v('(', ')', end_of_file), c)
   Fail: (215) [system] arg(_365318, v('(', ')', end_of_file), c)
^  Fail: (214) [user] is_delimiter(c)
   Call: (214) [system] ')'==c
   Fail: (214) [system] ')'==c
   Call: (214) [system] get_char((0x55772f068e50), c)
   Exit: (214) [system] get_char((0x55772f068e50), c)
   Call: (214) [system] c=(\)
   Fail: (214) [system] c=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _372668)
   Call: (215) [system] peek_char((0x55772f068e50), _373602)
   Exit: (215) [system] peek_char((0x55772f068e50), a)
^  Call: (215) [user] is_delimiter(a)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] arg(_378322, v('(', ')', end_of_file), a)
   Fail: (216) [system] arg(_379254, v('(', ')', end_of_file), a)
^  Fail: (215) [user] is_delimiter(a)
   Call: (215) [system] ')'==a
   Fail: (215) [system] ')'==a
   Call: (215) [system] get_char((0x55772f068e50), a)
   Exit: (215) [system] get_char((0x55772f068e50), a)
   Call: (215) [system] a=(\)
   Fail: (215) [system] a=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _386604)
   Call: (216) [system] peek_char((0x55772f068e50), _387538)
   Exit: (216) [system] peek_char((0x55772f068e50), t)
^  Call: (216) [user] is_delimiter(t)
   Call: (217) [system] char_type(t, space)
   Fail: (217) [system] char_type(t, space)
   Call: (217) [system] arg(_392258, v('(', ')', end_of_file), t)
   Fail: (217) [system] arg(_393190, v('(', ')', end_of_file), t)
^  Fail: (216) [user] is_delimiter(t)
   Call: (216) [system] ')'==t
   Fail: (216) [system] ')'==t
   Call: (216) [system] get_char((0x55772f068e50), t)
   Exit: (216) [system] get_char((0x55772f068e50), t)
   Call: (216) [system] t=(\)
   Fail: (216) [system] t=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _400540)
   Call: (217) [system] peek_char((0x55772f068e50), _401474)
   Exit: (217) [system] peek_char((0x55772f068e50), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_406194, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_407126, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x55772f068e50), i)
   Exit: (217) [system] get_char((0x55772f068e50), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _414476)
   Call: (218) [system] peek_char((0x55772f068e50), _415410)
   Exit: (218) [system] peek_char((0x55772f068e50), o)
^  Call: (218) [user] is_delimiter(o)
   Call: (219) [system] char_type(o, space)
   Fail: (219) [system] char_type(o, space)
   Call: (219) [system] arg(_420130, v('(', ')', end_of_file), o)
   Fail: (219) [system] arg(_421062, v('(', ')', end_of_file), o)
^  Fail: (218) [user] is_delimiter(o)
   Call: (218) [system] ')'==o
   Fail: (218) [system] ')'==o
   Call: (218) [system] get_char((0x55772f068e50), o)
   Exit: (218) [system] get_char((0x55772f068e50), o)
   Call: (218) [system] o=(\)
   Fail: (218) [system] o=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _428412)
   Call: (219) [system] peek_char((0x55772f068e50), _429346)
   Exit: (219) [system] peek_char((0x55772f068e50), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_434066, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_434998, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x55772f068e50), n)
   Exit: (219) [system] get_char((0x55772f068e50), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _442348)
   Call: (220) [system] peek_char((0x55772f068e50), _443282)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _442348=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (219) [system] _428412=[n]
   Exit: (219) [system] [n]=[n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (218) [system] _414476=[o, n]
   Exit: (218) [system] [o, n]=[o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (217) [system] _400540=[i, o, n]
   Exit: (217) [system] [i, o, n]=[i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (216) [system] _386604=[t, i, o, n]
   Exit: (216) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (215) [system] _372668=[a, t, i, o, n]
   Exit: (215) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (214) [system] _358732=[c, a, t, i, o, n]
   Exit: (214) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (213) [system] _344796=[i, c, a, t, i, o, n]
   Exit: (213) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (212) [system] _330860=[l, i, c, a, t, i, o, n]
   Exit: (212) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (211) [system] _316924=[p, l, i, c, a, t, i, o, n]
   Exit: (211) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (210) [system] _302988=[m, p, l, i, c, a, t, i, o, n]
   Exit: (210) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (209) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _267478)
^  Call: (210) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _480506)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_481458, _481460), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _480506), _481440, fail)), '$restore_trace'(_481458, _481460))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_481458, _481460))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _480506), _481440, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_480506)
   Fail: (211) [system] atomic(_480506)
   Call: (211) [system] atom_chars(_480506, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (211) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (210) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (210) [system] integer('Implication')
   Fail: (210) [system] integer('Implication')
   Call: (210) [system] _267478='Implication'
   Exit: (210) [system] 'Implication'='Implication'
^  Exit: (209) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (208) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (207) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (207) [user] read_list(')', (0x55772f068e50), _495456)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _497314)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x55772f068e50), _506908)
   Exit: (209) [system] get_char((0x55772f068e50), ' ')
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _509612)
   Exit: (210) [system] peek_char((0x55772f068e50), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _526546)
   Exit: (208) [system] peek_char((0x55772f068e50), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x55772f068e50), _532116)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _533974)
   Exit: (210) [system] peek_char((0x55772f068e50), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] get_char((0x55772f068e50), _549984)
   Exit: (209) [system] get_char((0x55772f068e50), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x55772f068e50), _532116)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _555554)
   Exit: (211) [system] peek_char((0x55772f068e50), 'O')
   Call: (211) [system] 'O'=(;)
   Fail: (211) [system] 'O'=(;)
   Call: (211) [system] 'O'=(/)
   Fail: (211) [system] 'O'=(/)
^  Call: (211) [user] is_like_space('O')
   Call: (212) [system] char_type('O', 'white')
   Fail: (212) [system] char_type('O', 'white')
   Call: (212) [system] char_type('O', end_of_line)
   Fail: (212) [system] char_type('O', end_of_line)
   Call: (212) [system] char_type('O', space)
   Fail: (212) [system] char_type('O', space)
   Call: (212) [system] char_type('O', cntrl)
   Fail: (212) [system] char_type('O', cntrl)
^  Fail: (211) [user] is_like_space('O')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _571564)
   Exit: (210) [system] peek_char((0x55772f068e50), 'O')
   Call: (210) [system] 'O'=')'
   Fail: (210) [system] 'O'=')'
   Call: (210) [system] 'O'=end_of_file
   Fail: (210) [system] 'O'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x55772f068e50), _577134)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _578992)
   Exit: (212) [system] peek_char((0x55772f068e50), 'O')
   Call: (212) [system] 'O'=(;)
   Fail: (212) [system] 'O'=(;)
   Call: (212) [system] 'O'=(/)
   Fail: (212) [system] 'O'=(/)
^  Call: (212) [user] is_like_space('O')
   Call: (213) [system] char_type('O', 'white')
   Fail: (213) [system] char_type('O', 'white')
   Call: (213) [system] char_type('O', end_of_line)
   Fail: (213) [system] char_type('O', end_of_line)
   Call: (213) [system] char_type('O', space)
   Fail: (213) [system] char_type('O', space)
   Call: (213) [system] char_type('O', cntrl)
   Fail: (213) [system] char_type('O', cntrl)
^  Fail: (212) [user] is_like_space('O')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] get_char((0x55772f068e50), _595002)
   Exit: (211) [system] get_char((0x55772f068e50), 'O')
   Call: (211) [system] 'O'='('
   Fail: (211) [system] 'O'='('
   Call: (211) [system] 'O'='['
   Fail: (211) [system] 'O'='['
   Call: (211) [system] 'O'='{'
   Fail: (211) [system] 'O'='{'
   Call: (211) [system] 'O'='"'
   Fail: (211) [system] 'O'='"'
   Call: (211) [system] 'O'=!
   Fail: (211) [system] 'O'=!
   Call: (211) [system] 'O'='\''
   Fail: (211) [system] 'O'='\''
   Call: (211) [system] 'O'='`'
   Fail: (211) [system] 'O'='`'
   Call: (211) [system] 'O'=end_of_file
   Fail: (211) [system] 'O'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x55772f068e50), 'O', _577134)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _612644)
   Call: (213) [system] peek_char((0x55772f068e50), _613578)
   Exit: (213) [system] peek_char((0x55772f068e50), r)
^  Call: (213) [user] is_delimiter(r)
   Call: (214) [system] char_type(r, space)
   Fail: (214) [system] char_type(r, space)
   Call: (214) [system] arg(_618298, v('(', ')', end_of_file), r)
   Fail: (214) [system] arg(_619230, v('(', ')', end_of_file), r)
^  Fail: (213) [user] is_delimiter(r)
   Call: (213) [system] ')'==r
   Fail: (213) [system] ')'==r
   Call: (213) [system] get_char((0x55772f068e50), r)
   Exit: (213) [system] get_char((0x55772f068e50), r)
   Call: (213) [system] r=(\)
   Fail: (213) [system] r=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _626580)
   Call: (214) [system] peek_char((0x55772f068e50), _627514)
   Exit: (214) [system] peek_char((0x55772f068e50), 'L')
^  Call: (214) [user] is_delimiter('L')
   Call: (215) [system] char_type('L', space)
   Fail: (215) [system] char_type('L', space)
   Call: (215) [system] arg(_632234, v('(', ')', end_of_file), 'L')
   Fail: (215) [system] arg(_633166, v('(', ')', end_of_file), 'L')
^  Fail: (214) [user] is_delimiter('L')
   Call: (214) [system] ')'=='L'
   Fail: (214) [system] ')'=='L'
   Call: (214) [system] get_char((0x55772f068e50), 'L')
   Exit: (214) [system] get_char((0x55772f068e50), 'L')
   Call: (214) [system] 'L'=(\)
   Fail: (214) [system] 'L'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _640516)
   Call: (215) [system] peek_char((0x55772f068e50), _641450)
   Exit: (215) [system] peek_char((0x55772f068e50), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_646170, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_647102, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x55772f068e50), i)
   Exit: (215) [system] get_char((0x55772f068e50), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _654452)
   Call: (216) [system] peek_char((0x55772f068e50), _655386)
   Exit: (216) [system] peek_char((0x55772f068e50), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_660106, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_661038, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x55772f068e50), n)
   Exit: (216) [system] get_char((0x55772f068e50), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _668388)
   Call: (217) [system] peek_char((0x55772f068e50), _669322)
   Exit: (217) [system] peek_char((0x55772f068e50), k)
^  Call: (217) [user] is_delimiter(k)
   Call: (218) [system] char_type(k, space)
   Fail: (218) [system] char_type(k, space)
   Call: (218) [system] arg(_674042, v('(', ')', end_of_file), k)
   Fail: (218) [system] arg(_674974, v('(', ')', end_of_file), k)
^  Fail: (217) [user] is_delimiter(k)
   Call: (217) [system] ')'==k
   Fail: (217) [system] ')'==k
   Call: (217) [system] get_char((0x55772f068e50), k)
   Exit: (217) [system] get_char((0x55772f068e50), k)
   Call: (217) [system] k=(\)
   Fail: (217) [system] k=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _682324)
   Call: (218) [system] peek_char((0x55772f068e50), _683258)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _682324=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (217) [system] _668388=[k]
   Exit: (217) [system] [k]=[k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (216) [system] _654452=[n, k]
   Exit: (216) [system] [n, k]=[n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (215) [system] _640516=[i, n, k]
   Exit: (215) [system] [i, n, k]=[i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (214) [system] _626580=['L', i, n, k]
   Exit: (214) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (213) [system] _612644=[r, 'L', i, n, k]
   Exit: (213) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (212) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _577134)
^  Call: (213) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _706512)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_707464, _707466), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _706512), _707446, fail)), '$restore_trace'(_707464, _707466))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_707464, _707466))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _706512), _707446, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_706512)
   Fail: (214) [system] atomic(_706512)
   Call: (214) [system] atom_chars(_706512, ['O', r, 'L', i, n, k])
   Exit: (214) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (213) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (213) [system] integer('OrLink')
   Fail: (213) [system] integer('OrLink')
   Call: (213) [system] _577134='OrLink'
   Exit: (213) [system] 'OrLink'='OrLink'
^  Exit: (212) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (211) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (210) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (210) [user] read_list(')', (0x55772f068e50), _721462)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _723320)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x55772f068e50), _732914)
   Exit: (212) [system] get_char((0x55772f068e50), ' ')
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _735618)
   Exit: (213) [system] peek_char((0x55772f068e50), 'C')
   Call: (213) [system] 'C'=(;)
   Fail: (213) [system] 'C'=(;)
   Call: (213) [system] 'C'=(/)
   Fail: (213) [system] 'C'=(/)
^  Call: (213) [user] is_like_space('C')
   Call: (214) [system] char_type('C', 'white')
   Fail: (214) [system] char_type('C', 'white')
   Call: (214) [system] char_type('C', end_of_line)
   Fail: (214) [system] char_type('C', end_of_line)
   Call: (214) [system] char_type('C', space)
   Fail: (214) [system] char_type('C', space)
   Call: (214) [system] char_type('C', cntrl)
   Fail: (214) [system] char_type('C', cntrl)
^  Fail: (213) [user] is_like_space('C')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _752552)
   Exit: (211) [system] peek_char((0x55772f068e50), 'C')
   Call: (211) [system] 'C'=')'
   Fail: (211) [system] 'C'=')'
   Call: (211) [system] 'C'=end_of_file
   Fail: (211) [system] 'C'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x55772f068e50), _758122)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _759980)
   Exit: (213) [system] peek_char((0x55772f068e50), 'C')
   Call: (213) [system] 'C'=(;)
   Fail: (213) [system] 'C'=(;)
   Call: (213) [system] 'C'=(/)
   Fail: (213) [system] 'C'=(/)
^  Call: (213) [user] is_like_space('C')
   Call: (214) [system] char_type('C', 'white')
   Fail: (214) [system] char_type('C', 'white')
   Call: (214) [system] char_type('C', end_of_line)
   Fail: (214) [system] char_type('C', end_of_line)
   Call: (214) [system] char_type('C', space)
   Fail: (214) [system] char_type('C', space)
   Call: (214) [system] char_type('C', cntrl)
   Fail: (214) [system] char_type('C', cntrl)
^  Fail: (213) [user] is_like_space('C')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] get_char((0x55772f068e50), _775990)
   Exit: (212) [system] get_char((0x55772f068e50), 'C')
   Call: (212) [system] 'C'='('
   Fail: (212) [system] 'C'='('
   Call: (212) [system] 'C'='['
   Fail: (212) [system] 'C'='['
   Call: (212) [system] 'C'='{'
   Fail: (212) [system] 'C'='{'
   Call: (212) [system] 'C'='"'
   Fail: (212) [system] 'C'='"'
   Call: (212) [system] 'C'=!
   Fail: (212) [system] 'C'=!
   Call: (212) [system] 'C'='\''
   Fail: (212) [system] 'C'='\''
   Call: (212) [system] 'C'='`'
   Fail: (212) [system] 'C'='`'
   Call: (212) [system] 'C'=end_of_file
   Fail: (212) [system] 'C'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x55772f068e50), 'C', _758122)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _793632)
   Call: (214) [system] peek_char((0x55772f068e50), _794566)
   Exit: (214) [system] peek_char((0x55772f068e50), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _793632=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (213) [user] classify_and_convert_charseq(['C'], _758122)
^  Call: (214) [user] classify_and_convert_charseq_(['C'], _803850)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_804802, _804804), once(user:catch(read_from_chars(['C'], _803850), _804784, fail)), '$restore_trace'(_804802, _804804))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_804802, _804804))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _803850), _804784, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_803850)
   Fail: (215) [system] atomic(_803850)
   Call: (215) [system] atom_chars(_803850, ['C'])
   Exit: (215) [system] atom_chars('C', ['C'])
^  Exit: (214) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (214) [system] integer('C')
   Fail: (214) [system] integer('C')
   Call: (214) [system] _758122='C'
   Exit: (214) [system] 'C'='C'
^  Exit: (213) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (212) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (211) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (211) [user] read_list(')', (0x55772f068e50), _818800)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _820658)
   Exit: (213) [system] peek_char((0x55772f068e50), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x55772f068e50), _830252)
   Exit: (213) [system] get_char((0x55772f068e50), ' ')
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _832956)
   Exit: (214) [system] peek_char((0x55772f068e50), 'D')
   Call: (214) [system] 'D'=(;)
   Fail: (214) [system] 'D'=(;)
   Call: (214) [system] 'D'=(/)
   Fail: (214) [system] 'D'=(/)
^  Call: (214) [user] is_like_space('D')
   Call: (215) [system] char_type('D', 'white')
   Fail: (215) [system] char_type('D', 'white')
   Call: (215) [system] char_type('D', end_of_line)
   Fail: (215) [system] char_type('D', end_of_line)
   Call: (215) [system] char_type('D', space)
   Fail: (215) [system] char_type('D', space)
   Call: (215) [system] char_type('D', cntrl)
   Fail: (215) [system] char_type('D', cntrl)
^  Fail: (214) [user] is_like_space('D')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _849890)
   Exit: (212) [system] peek_char((0x55772f068e50), 'D')
   Call: (212) [system] 'D'=')'
   Fail: (212) [system] 'D'=')'
   Call: (212) [system] 'D'=end_of_file
   Fail: (212) [system] 'D'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x55772f068e50), _855460)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _857318)
   Exit: (214) [system] peek_char((0x55772f068e50), 'D')
   Call: (214) [system] 'D'=(;)
   Fail: (214) [system] 'D'=(;)
   Call: (214) [system] 'D'=(/)
   Fail: (214) [system] 'D'=(/)
^  Call: (214) [user] is_like_space('D')
   Call: (215) [system] char_type('D', 'white')
   Fail: (215) [system] char_type('D', 'white')
   Call: (215) [system] char_type('D', end_of_line)
   Fail: (215) [system] char_type('D', end_of_line)
   Call: (215) [system] char_type('D', space)
   Fail: (215) [system] char_type('D', space)
   Call: (215) [system] char_type('D', cntrl)
   Fail: (215) [system] char_type('D', cntrl)
^  Fail: (214) [user] is_like_space('D')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] get_char((0x55772f068e50), _873328)
   Exit: (213) [system] get_char((0x55772f068e50), 'D')
   Call: (213) [system] 'D'='('
   Fail: (213) [system] 'D'='('
   Call: (213) [system] 'D'='['
   Fail: (213) [system] 'D'='['
   Call: (213) [system] 'D'='{'
   Fail: (213) [system] 'D'='{'
   Call: (213) [system] 'D'='"'
   Fail: (213) [system] 'D'='"'
   Call: (213) [system] 'D'=!
   Fail: (213) [system] 'D'=!
   Call: (213) [system] 'D'='\''
   Fail: (213) [system] 'D'='\''
   Call: (213) [system] 'D'='`'
   Fail: (213) [system] 'D'='`'
   Call: (213) [system] 'D'=end_of_file
   Fail: (213) [system] 'D'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x55772f068e50), 'D', _855460)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _890970)
   Call: (215) [system] peek_char((0x55772f068e50), _891904)
   Exit: (215) [system] peek_char((0x55772f068e50), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_896624, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _890970=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (214) [user] classify_and_convert_charseq(['D'], _855460)
^  Call: (215) [user] classify_and_convert_charseq_(['D'], _903060)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_904012, _904014), once(user:catch(read_from_chars(['D'], _903060), _903994, fail)), '$restore_trace'(_904012, _904014))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_904012, _904014))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _903060), _903994, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_903060)
   Fail: (216) [system] atomic(_903060)
   Call: (216) [system] atom_chars(_903060, ['D'])
   Exit: (216) [system] atom_chars('D', ['D'])
^  Exit: (215) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (215) [system] integer('D')
   Fail: (215) [system] integer('D')
   Call: (215) [system] _855460='D'
   Exit: (215) [system] 'D'='D'
^  Exit: (214) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (213) [user] read_symbolic(')', (0x55772f068e50), 'D', 'D')
^  Exit: (212) [user] cont_sexpr(')', (0x55772f068e50), 'D')
^  Call: (212) [user] read_list(')', (0x55772f068e50), _918010)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _919868)
   Exit: (214) [system] peek_char((0x55772f068e50), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
   Call: (214) [system] ')'=(/)
   Fail: (214) [system] ')'=(/)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _935878)
   Exit: (213) [system] peek_char((0x55772f068e50), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x55772f068e50), _939668)
   Exit: (213) [system] get_char((0x55772f068e50), ')')
   Call: (213) [system] _918010=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x55772f068e50), [])
   Call: (212) [system] _818800=['D']
   Exit: (212) [system] ['D']=['D']
^  Exit: (211) [user] read_list(')', (0x55772f068e50), ['D'])
   Call: (211) [system] _721462=['C', 'D']
   Exit: (211) [system] ['C', 'D']=['C', 'D']
^  Exit: (210) [user] read_list(')', (0x55772f068e50), ['C', 'D'])
   Call: (210) [system] _532116=['OrLink', 'C', 'D']
   Exit: (210) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (209) [user] read_list(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Exit: (208) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Call: (208) [user] read_list(')', (0x55772f068e50), _953550)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _955408)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x55772f068e50), _965002)
   Exit: (210) [system] get_char((0x55772f068e50), ' ')
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _967706)
   Exit: (211) [system] peek_char((0x55772f068e50), 'E')
   Call: (211) [system] 'E'=(;)
   Fail: (211) [system] 'E'=(;)
   Call: (211) [system] 'E'=(/)
   Fail: (211) [system] 'E'=(/)
^  Call: (211) [user] is_like_space('E')
   Call: (212) [system] char_type('E', 'white')
   Fail: (212) [system] char_type('E', 'white')
   Call: (212) [system] char_type('E', end_of_line)
   Fail: (212) [system] char_type('E', end_of_line)
   Call: (212) [system] char_type('E', space)
   Fail: (212) [system] char_type('E', space)
   Call: (212) [system] char_type('E', cntrl)
   Fail: (212) [system] char_type('E', cntrl)
^  Fail: (211) [user] is_like_space('E')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _984640)
   Exit: (209) [system] peek_char((0x55772f068e50), 'E')
   Call: (209) [system] 'E'=')'
   Fail: (209) [system] 'E'=')'
   Call: (209) [system] 'E'=end_of_file
   Fail: (209) [system] 'E'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x55772f068e50), _990210)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _992068)
   Exit: (211) [system] peek_char((0x55772f068e50), 'E')
   Call: (211) [system] 'E'=(;)
   Fail: (211) [system] 'E'=(;)
   Call: (211) [system] 'E'=(/)
   Fail: (211) [system] 'E'=(/)
^  Call: (211) [user] is_like_space('E')
   Call: (212) [system] char_type('E', 'white')
   Fail: (212) [system] char_type('E', 'white')
   Call: (212) [system] char_type('E', end_of_line)
   Fail: (212) [system] char_type('E', end_of_line)
   Call: (212) [system] char_type('E', space)
   Fail: (212) [system] char_type('E', space)
   Call: (212) [system] char_type('E', cntrl)
   Fail: (212) [system] char_type('E', cntrl)
^  Fail: (211) [user] is_like_space('E')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] get_char((0x55772f068e50), _1008078)
   Exit: (210) [system] get_char((0x55772f068e50), 'E')
   Call: (210) [system] 'E'='('
   Fail: (210) [system] 'E'='('
   Call: (210) [system] 'E'='['
   Fail: (210) [system] 'E'='['
   Call: (210) [system] 'E'='{'
   Fail: (210) [system] 'E'='{'
   Call: (210) [system] 'E'='"'
   Fail: (210) [system] 'E'='"'
   Call: (210) [system] 'E'=!
   Fail: (210) [system] 'E'=!
   Call: (210) [system] 'E'='\''
   Fail: (210) [system] 'E'='\''
   Call: (210) [system] 'E'='`'
   Fail: (210) [system] 'E'='`'
   Call: (210) [system] 'E'=end_of_file
   Fail: (210) [system] 'E'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x55772f068e50), 'E', _990210)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1025720)
   Call: (212) [system] peek_char((0x55772f068e50), _1026654)
   Exit: (212) [system] peek_char((0x55772f068e50), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_1031374, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _1025720=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (211) [user] classify_and_convert_charseq(['E'], _990210)
^  Call: (212) [user] classify_and_convert_charseq_(['E'], _1037810)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1038762, _1038764), once(user:catch(read_from_chars(['E'], _1037810), _1038744, fail)), '$restore_trace'(_1038762, _1038764))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1038762, _1038764))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1037810), _1038744, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1037810)
   Fail: (213) [system] atomic(_1037810)
   Call: (213) [system] atom_chars(_1037810, ['E'])
   Exit: (213) [system] atom_chars('E', ['E'])
^  Exit: (212) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (212) [system] integer('E')
   Fail: (212) [system] integer('E')
   Call: (212) [system] _990210='E'
   Exit: (212) [system] 'E'='E'
^  Exit: (211) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (210) [user] read_symbolic(')', (0x55772f068e50), 'E', 'E')
^  Exit: (209) [user] cont_sexpr(')', (0x55772f068e50), 'E')
^  Call: (209) [user] read_list(')', (0x55772f068e50), _1052760)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1054618)
   Exit: (211) [system] peek_char((0x55772f068e50), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
   Call: (211) [system] ')'=(/)
   Fail: (211) [system] ')'=(/)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1070628)
   Exit: (210) [system] peek_char((0x55772f068e50), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x55772f068e50), _1074418)
   Exit: (210) [system] get_char((0x55772f068e50), ')')
   Call: (210) [system] _1052760=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x55772f068e50), [])
   Call: (209) [system] _953550=['E']
   Exit: (209) [system] ['E']=['E']
^  Exit: (208) [user] read_list(')', (0x55772f068e50), ['E'])
   Call: (208) [system] _495456=[['OrLink', 'C', 'D'], 'E']
   Exit: (208) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (207) [user] read_list(')', (0x55772f068e50), [['OrLink', 'C', 'D'], 'E'])
   Call: (207) [system] _222460=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (207) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (206) [user] read_list(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (205) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (205) [user] read_list(')', (0x55772f068e50), _1088300)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1090158)
   Exit: (207) [system] peek_char((0x55772f068e50), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x55772f068e50), _1099752)
   Exit: (207) [system] get_char((0x55772f068e50), ' ')
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1102456)
   Exit: (208) [system] peek_char((0x55772f068e50), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1119390)
   Exit: (206) [system] peek_char((0x55772f068e50), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x55772f068e50), _1124960)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1126818)
   Exit: (208) [system] peek_char((0x55772f068e50), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] get_char((0x55772f068e50), _1142828)
   Exit: (207) [system] get_char((0x55772f068e50), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x55772f068e50), _1124960)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1148398)
   Exit: (209) [system] peek_char((0x55772f068e50), 'I')
   Call: (209) [system] 'I'=(;)
   Fail: (209) [system] 'I'=(;)
   Call: (209) [system] 'I'=(/)
   Fail: (209) [system] 'I'=(/)
^  Call: (209) [user] is_like_space('I')
   Call: (210) [system] char_type('I', 'white')
   Fail: (210) [system] char_type('I', 'white')
   Call: (210) [system] char_type('I', end_of_line)
   Fail: (210) [system] char_type('I', end_of_line)
   Call: (210) [system] char_type('I', space)
   Fail: (210) [system] char_type('I', space)
   Call: (210) [system] char_type('I', cntrl)
   Fail: (210) [system] char_type('I', cntrl)
^  Fail: (209) [user] is_like_space('I')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1164408)
   Exit: (208) [system] peek_char((0x55772f068e50), 'I')
   Call: (208) [system] 'I'=')'
   Fail: (208) [system] 'I'=')'
   Call: (208) [system] 'I'=end_of_file
   Fail: (208) [system] 'I'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x55772f068e50), _1169978)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1171836)
   Exit: (210) [system] peek_char((0x55772f068e50), 'I')
   Call: (210) [system] 'I'=(;)
   Fail: (210) [system] 'I'=(;)
   Call: (210) [system] 'I'=(/)
   Fail: (210) [system] 'I'=(/)
^  Call: (210) [user] is_like_space('I')
   Call: (211) [system] char_type('I', 'white')
   Fail: (211) [system] char_type('I', 'white')
   Call: (211) [system] char_type('I', end_of_line)
   Fail: (211) [system] char_type('I', end_of_line)
   Call: (211) [system] char_type('I', space)
   Fail: (211) [system] char_type('I', space)
   Call: (211) [system] char_type('I', cntrl)
   Fail: (211) [system] char_type('I', cntrl)
^  Fail: (210) [user] is_like_space('I')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] get_char((0x55772f068e50), _1187846)
   Exit: (209) [system] get_char((0x55772f068e50), 'I')
   Call: (209) [system] 'I'='('
   Fail: (209) [system] 'I'='('
   Call: (209) [system] 'I'='['
   Fail: (209) [system] 'I'='['
   Call: (209) [system] 'I'='{'
   Fail: (209) [system] 'I'='{'
   Call: (209) [system] 'I'='"'
   Fail: (209) [system] 'I'='"'
   Call: (209) [system] 'I'=!
   Fail: (209) [system] 'I'=!
   Call: (209) [system] 'I'='\''
   Fail: (209) [system] 'I'='\''
   Call: (209) [system] 'I'='`'
   Fail: (209) [system] 'I'='`'
   Call: (209) [system] 'I'=end_of_file
   Fail: (209) [system] 'I'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x55772f068e50), 'I', _1169978)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1205488)
   Call: (211) [system] peek_char((0x55772f068e50), _1206422)
   Exit: (211) [system] peek_char((0x55772f068e50), m)
^  Call: (211) [user] is_delimiter(m)
   Call: (212) [system] char_type(m, space)
   Fail: (212) [system] char_type(m, space)
   Call: (212) [system] arg(_1211142, v('(', ')', end_of_file), m)
   Fail: (212) [system] arg(_1212074, v('(', ')', end_of_file), m)
^  Fail: (211) [user] is_delimiter(m)
   Call: (211) [system] ')'==m
   Fail: (211) [system] ')'==m
   Call: (211) [system] get_char((0x55772f068e50), m)
   Exit: (211) [system] get_char((0x55772f068e50), m)
   Call: (211) [system] m=(\)
   Fail: (211) [system] m=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1219424)
   Call: (212) [system] peek_char((0x55772f068e50), _1220358)
   Exit: (212) [system] peek_char((0x55772f068e50), p)
^  Call: (212) [user] is_delimiter(p)
   Call: (213) [system] char_type(p, space)
   Fail: (213) [system] char_type(p, space)
   Call: (213) [system] arg(_1225078, v('(', ')', end_of_file), p)
   Fail: (213) [system] arg(_1226010, v('(', ')', end_of_file), p)
^  Fail: (212) [user] is_delimiter(p)
   Call: (212) [system] ')'==p
   Fail: (212) [system] ')'==p
   Call: (212) [system] get_char((0x55772f068e50), p)
   Exit: (212) [system] get_char((0x55772f068e50), p)
   Call: (212) [system] p=(\)
   Fail: (212) [system] p=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1233360)
   Call: (213) [system] peek_char((0x55772f068e50), _1234294)
   Exit: (213) [system] peek_char((0x55772f068e50), l)
^  Call: (213) [user] is_delimiter(l)
   Call: (214) [system] char_type(l, space)
   Fail: (214) [system] char_type(l, space)
   Call: (214) [system] arg(_1239014, v('(', ')', end_of_file), l)
   Fail: (214) [system] arg(_1239946, v('(', ')', end_of_file), l)
^  Fail: (213) [user] is_delimiter(l)
   Call: (213) [system] ')'==l
   Fail: (213) [system] ')'==l
   Call: (213) [system] get_char((0x55772f068e50), l)
   Exit: (213) [system] get_char((0x55772f068e50), l)
   Call: (213) [system] l=(\)
   Fail: (213) [system] l=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1247296)
   Call: (214) [system] peek_char((0x55772f068e50), _1248230)
   Exit: (214) [system] peek_char((0x55772f068e50), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_1252950, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_1253882, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x55772f068e50), i)
   Exit: (214) [system] get_char((0x55772f068e50), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1261232)
   Call: (215) [system] peek_char((0x55772f068e50), _1262166)
   Exit: (215) [system] peek_char((0x55772f068e50), c)
^  Call: (215) [user] is_delimiter(c)
   Call: (216) [system] char_type(c, space)
   Fail: (216) [system] char_type(c, space)
   Call: (216) [system] arg(_1266886, v('(', ')', end_of_file), c)
   Fail: (216) [system] arg(_1267818, v('(', ')', end_of_file), c)
^  Fail: (215) [user] is_delimiter(c)
   Call: (215) [system] ')'==c
   Fail: (215) [system] ')'==c
   Call: (215) [system] get_char((0x55772f068e50), c)
   Exit: (215) [system] get_char((0x55772f068e50), c)
   Call: (215) [system] c=(\)
   Fail: (215) [system] c=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1275168)
   Call: (216) [system] peek_char((0x55772f068e50), _1276102)
   Exit: (216) [system] peek_char((0x55772f068e50), a)
^  Call: (216) [user] is_delimiter(a)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] arg(_1280822, v('(', ')', end_of_file), a)
   Fail: (217) [system] arg(_1281754, v('(', ')', end_of_file), a)
^  Fail: (216) [user] is_delimiter(a)
   Call: (216) [system] ')'==a
   Fail: (216) [system] ')'==a
   Call: (216) [system] get_char((0x55772f068e50), a)
   Exit: (216) [system] get_char((0x55772f068e50), a)
   Call: (216) [system] a=(\)
   Fail: (216) [system] a=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1289104)
   Call: (217) [system] peek_char((0x55772f068e50), _1290038)
   Exit: (217) [system] peek_char((0x55772f068e50), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Fail: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_1294758, v('(', ')', end_of_file), t)
   Fail: (218) [system] arg(_1295690, v('(', ')', end_of_file), t)
^  Fail: (217) [user] is_delimiter(t)
   Call: (217) [system] ')'==t
   Fail: (217) [system] ')'==t
   Call: (217) [system] get_char((0x55772f068e50), t)
   Exit: (217) [system] get_char((0x55772f068e50), t)
   Call: (217) [system] t=(\)
   Fail: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1303040)
   Call: (218) [system] peek_char((0x55772f068e50), _1303974)
   Exit: (218) [system] peek_char((0x55772f068e50), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_1308694, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_1309626, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x55772f068e50), i)
   Exit: (218) [system] get_char((0x55772f068e50), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1316976)
   Call: (219) [system] peek_char((0x55772f068e50), _1317910)
   Exit: (219) [system] peek_char((0x55772f068e50), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Fail: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_1322630, v('(', ')', end_of_file), o)
   Fail: (220) [system] arg(_1323562, v('(', ')', end_of_file), o)
^  Fail: (219) [user] is_delimiter(o)
   Call: (219) [system] ')'==o
   Fail: (219) [system] ')'==o
   Call: (219) [system] get_char((0x55772f068e50), o)
   Exit: (219) [system] get_char((0x55772f068e50), o)
   Call: (219) [system] o=(\)
   Fail: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1330912)
   Call: (220) [system] peek_char((0x55772f068e50), _1331846)
   Exit: (220) [system] peek_char((0x55772f068e50), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1336566, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1337498, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x55772f068e50), n)
   Exit: (220) [system] get_char((0x55772f068e50), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1344848)
   Call: (221) [system] peek_char((0x55772f068e50), _1345782)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _1344848=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (220) [system] _1330912=[n]
   Exit: (220) [system] [n]=[n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (219) [system] _1316976=[o, n]
   Exit: (219) [system] [o, n]=[o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (218) [system] _1303040=[i, o, n]
   Exit: (218) [system] [i, o, n]=[i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (217) [system] _1289104=[t, i, o, n]
   Exit: (217) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (216) [system] _1275168=[a, t, i, o, n]
   Exit: (216) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (215) [system] _1261232=[c, a, t, i, o, n]
   Exit: (215) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (214) [system] _1247296=[i, c, a, t, i, o, n]
   Exit: (214) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (213) [system] _1233360=[l, i, c, a, t, i, o, n]
   Exit: (213) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (212) [system] _1219424=[p, l, i, c, a, t, i, o, n]
   Exit: (212) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (211) [system] _1205488=[m, p, l, i, c, a, t, i, o, n]
   Exit: (211) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (210) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1169978)
^  Call: (211) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1383006)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1383958, _1383960), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1383006), _1383940, fail)), '$restore_trace'(_1383958, _1383960))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1383958, _1383960))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1383006), _1383940, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1383006)
   Fail: (212) [system] atomic(_1383006)
   Call: (212) [system] atom_chars(_1383006, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (212) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (211) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (211) [system] integer('Implication')
   Fail: (211) [system] integer('Implication')
   Call: (211) [system] _1169978='Implication'
   Exit: (211) [system] 'Implication'='Implication'
^  Exit: (210) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (209) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (208) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (208) [user] read_list(')', (0x55772f068e50), _1397956)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1399814)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x55772f068e50), _1409408)
   Exit: (210) [system] get_char((0x55772f068e50), ' ')
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1412112)
   Exit: (211) [system] peek_char((0x55772f068e50), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1429046)
   Exit: (209) [system] peek_char((0x55772f068e50), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x55772f068e50), _1434616)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1436474)
   Exit: (211) [system] peek_char((0x55772f068e50), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] get_char((0x55772f068e50), _1452484)
   Exit: (210) [system] get_char((0x55772f068e50), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x55772f068e50), _1434616)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1458054)
   Exit: (212) [system] peek_char((0x55772f068e50), 'A')
   Call: (212) [system] 'A'=(;)
   Fail: (212) [system] 'A'=(;)
   Call: (212) [system] 'A'=(/)
   Fail: (212) [system] 'A'=(/)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Fail: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Fail: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Fail: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
   Fail: (213) [system] char_type('A', cntrl)
^  Fail: (212) [user] is_like_space('A')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1474064)
   Exit: (211) [system] peek_char((0x55772f068e50), 'A')
   Call: (211) [system] 'A'=')'
   Fail: (211) [system] 'A'=')'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x55772f068e50), _1479634)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1481492)
   Exit: (213) [system] peek_char((0x55772f068e50), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
   Call: (213) [system] 'A'=(/)
   Fail: (213) [system] 'A'=(/)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] get_char((0x55772f068e50), _1497502)
   Exit: (212) [system] get_char((0x55772f068e50), 'A')
   Call: (212) [system] 'A'='('
   Fail: (212) [system] 'A'='('
   Call: (212) [system] 'A'='['
   Fail: (212) [system] 'A'='['
   Call: (212) [system] 'A'='{'
   Fail: (212) [system] 'A'='{'
   Call: (212) [system] 'A'='"'
   Fail: (212) [system] 'A'='"'
   Call: (212) [system] 'A'=!
   Fail: (212) [system] 'A'=!
   Call: (212) [system] 'A'='\''
   Fail: (212) [system] 'A'='\''
   Call: (212) [system] 'A'='`'
   Fail: (212) [system] 'A'='`'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x55772f068e50), 'A', _1479634)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1515144)
   Call: (214) [system] peek_char((0x55772f068e50), _1516078)
   Exit: (214) [system] peek_char((0x55772f068e50), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1520798, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1521730, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x55772f068e50), n)
   Exit: (214) [system] get_char((0x55772f068e50), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1529080)
   Call: (215) [system] peek_char((0x55772f068e50), _1530014)
   Exit: (215) [system] peek_char((0x55772f068e50), d)
^  Call: (215) [user] is_delimiter(d)
   Call: (216) [system] char_type(d, space)
   Fail: (216) [system] char_type(d, space)
   Call: (216) [system] arg(_1534734, v('(', ')', end_of_file), d)
   Fail: (216) [system] arg(_1535666, v('(', ')', end_of_file), d)
^  Fail: (215) [user] is_delimiter(d)
   Call: (215) [system] ')'==d
   Fail: (215) [system] ')'==d
   Call: (215) [system] get_char((0x55772f068e50), d)
   Exit: (215) [system] get_char((0x55772f068e50), d)
   Call: (215) [system] d=(\)
   Fail: (215) [system] d=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1543016)
   Call: (216) [system] peek_char((0x55772f068e50), _1543950)
   Exit: (216) [system] peek_char((0x55772f068e50), 'L')
^  Call: (216) [user] is_delimiter('L')
   Call: (217) [system] char_type('L', space)
   Fail: (217) [system] char_type('L', space)
   Call: (217) [system] arg(_1548670, v('(', ')', end_of_file), 'L')
   Fail: (217) [system] arg(_1549602, v('(', ')', end_of_file), 'L')
^  Fail: (216) [user] is_delimiter('L')
   Call: (216) [system] ')'=='L'
   Fail: (216) [system] ')'=='L'
   Call: (216) [system] get_char((0x55772f068e50), 'L')
   Exit: (216) [system] get_char((0x55772f068e50), 'L')
   Call: (216) [system] 'L'=(\)
   Fail: (216) [system] 'L'=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1556952)
   Call: (217) [system] peek_char((0x55772f068e50), _1557886)
   Exit: (217) [system] peek_char((0x55772f068e50), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1562606, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1563538, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x55772f068e50), i)
   Exit: (217) [system] get_char((0x55772f068e50), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1570888)
   Call: (218) [system] peek_char((0x55772f068e50), _1571822)
   Exit: (218) [system] peek_char((0x55772f068e50), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1576542, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_1577474, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x55772f068e50), n)
   Exit: (218) [system] get_char((0x55772f068e50), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1584824)
   Call: (219) [system] peek_char((0x55772f068e50), _1585758)
   Exit: (219) [system] peek_char((0x55772f068e50), k)
^  Call: (219) [user] is_delimiter(k)
   Call: (220) [system] char_type(k, space)
   Fail: (220) [system] char_type(k, space)
   Call: (220) [system] arg(_1590478, v('(', ')', end_of_file), k)
   Fail: (220) [system] arg(_1591410, v('(', ')', end_of_file), k)
^  Fail: (219) [user] is_delimiter(k)
   Call: (219) [system] ')'==k
   Fail: (219) [system] ')'==k
   Call: (219) [system] get_char((0x55772f068e50), k)
   Exit: (219) [system] get_char((0x55772f068e50), k)
   Call: (219) [system] k=(\)
   Fail: (219) [system] k=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1598760)
   Call: (220) [system] peek_char((0x55772f068e50), _1599694)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _1598760=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (219) [system] _1584824=[k]
   Exit: (219) [system] [k]=[k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (218) [system] _1570888=[n, k]
   Exit: (218) [system] [n, k]=[n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (217) [system] _1556952=[i, n, k]
   Exit: (217) [system] [i, n, k]=[i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (216) [system] _1543016=['L', i, n, k]
   Exit: (216) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (215) [system] _1529080=[d, 'L', i, n, k]
   Exit: (215) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (214) [system] _1515144=[n, d, 'L', i, n, k]
   Exit: (214) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (213) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1479634)
^  Call: (214) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1625742)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1626694, _1626696), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1625742), _1626676, fail)), '$restore_trace'(_1626694, _1626696))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1626694, _1626696))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1625742), _1626676, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1625742)
   Fail: (215) [system] atomic(_1625742)
   Call: (215) [system] atom_chars(_1625742, ['A', n, d, 'L', i, n, k])
   Exit: (215) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (214) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (214) [system] integer('AndLink')
   Fail: (214) [system] integer('AndLink')
   Call: (214) [system] _1479634='AndLink'
   Exit: (214) [system] 'AndLink'='AndLink'
^  Exit: (213) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (212) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (211) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (211) [user] read_list(')', (0x55772f068e50), _1640692)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1642550)
   Exit: (213) [system] peek_char((0x55772f068e50), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x55772f068e50), _1652144)
   Exit: (213) [system] get_char((0x55772f068e50), ' ')
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1654848)
   Exit: (214) [system] peek_char((0x55772f068e50), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
   Call: (214) [system] 'A'=(/)
   Fail: (214) [system] 'A'=(/)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1671782)
   Exit: (212) [system] peek_char((0x55772f068e50), 'A')
   Call: (212) [system] 'A'=')'
   Fail: (212) [system] 'A'=')'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x55772f068e50), _1677352)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1679210)
   Exit: (214) [system] peek_char((0x55772f068e50), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
   Call: (214) [system] 'A'=(/)
   Fail: (214) [system] 'A'=(/)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] get_char((0x55772f068e50), _1695220)
   Exit: (213) [system] get_char((0x55772f068e50), 'A')
   Call: (213) [system] 'A'='('
   Fail: (213) [system] 'A'='('
   Call: (213) [system] 'A'='['
   Fail: (213) [system] 'A'='['
   Call: (213) [system] 'A'='{'
   Fail: (213) [system] 'A'='{'
   Call: (213) [system] 'A'='"'
   Fail: (213) [system] 'A'='"'
   Call: (213) [system] 'A'=!
   Fail: (213) [system] 'A'=!
   Call: (213) [system] 'A'='\''
   Fail: (213) [system] 'A'='\''
   Call: (213) [system] 'A'='`'
   Fail: (213) [system] 'A'='`'
   Call: (213) [system] 'A'=end_of_file
   Fail: (213) [system] 'A'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x55772f068e50), 'A', _1677352)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1712862)
   Call: (215) [system] peek_char((0x55772f068e50), _1713796)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1712862=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (214) [user] classify_and_convert_charseq(['A'], _1677352)
^  Call: (215) [user] classify_and_convert_charseq_(['A'], _1723080)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1724032, _1724034), once(user:catch(read_from_chars(['A'], _1723080), _1724014, fail)), '$restore_trace'(_1724032, _1724034))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1724032, _1724034))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1723080), _1724014, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1723080)
   Fail: (216) [system] atomic(_1723080)
   Call: (216) [system] atom_chars(_1723080, ['A'])
   Exit: (216) [system] atom_chars('A', ['A'])
^  Exit: (215) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (215) [system] integer('A')
   Fail: (215) [system] integer('A')
   Call: (215) [system] _1677352='A'
   Exit: (215) [system] 'A'='A'
^  Exit: (214) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (213) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (212) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (212) [user] read_list(')', (0x55772f068e50), _1738030)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1739888)
   Exit: (214) [system] peek_char((0x55772f068e50), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x55772f068e50), _1749482)
   Exit: (214) [system] get_char((0x55772f068e50), ' ')
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1752186)
   Exit: (215) [system] peek_char((0x55772f068e50), 'B')
   Call: (215) [system] 'B'=(;)
   Fail: (215) [system] 'B'=(;)
   Call: (215) [system] 'B'=(/)
   Fail: (215) [system] 'B'=(/)
^  Call: (215) [user] is_like_space('B')
   Call: (216) [system] char_type('B', 'white')
   Fail: (216) [system] char_type('B', 'white')
   Call: (216) [system] char_type('B', end_of_line)
   Fail: (216) [system] char_type('B', end_of_line)
   Call: (216) [system] char_type('B', space)
   Fail: (216) [system] char_type('B', space)
   Call: (216) [system] char_type('B', cntrl)
   Fail: (216) [system] char_type('B', cntrl)
^  Fail: (215) [user] is_like_space('B')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1769120)
   Exit: (213) [system] peek_char((0x55772f068e50), 'B')
   Call: (213) [system] 'B'=')'
   Fail: (213) [system] 'B'=')'
   Call: (213) [system] 'B'=end_of_file
   Fail: (213) [system] 'B'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _1774690)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1776548)
   Exit: (215) [system] peek_char((0x55772f068e50), 'B')
   Call: (215) [system] 'B'=(;)
   Fail: (215) [system] 'B'=(;)
   Call: (215) [system] 'B'=(/)
   Fail: (215) [system] 'B'=(/)
^  Call: (215) [user] is_like_space('B')
   Call: (216) [system] char_type('B', 'white')
   Fail: (216) [system] char_type('B', 'white')
   Call: (216) [system] char_type('B', end_of_line)
   Fail: (216) [system] char_type('B', end_of_line)
   Call: (216) [system] char_type('B', space)
   Fail: (216) [system] char_type('B', space)
   Call: (216) [system] char_type('B', cntrl)
   Fail: (216) [system] char_type('B', cntrl)
^  Fail: (215) [user] is_like_space('B')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _1792558)
   Exit: (214) [system] get_char((0x55772f068e50), 'B')
   Call: (214) [system] 'B'='('
   Fail: (214) [system] 'B'='('
   Call: (214) [system] 'B'='['
   Fail: (214) [system] 'B'='['
   Call: (214) [system] 'B'='{'
   Fail: (214) [system] 'B'='{'
   Call: (214) [system] 'B'='"'
   Fail: (214) [system] 'B'='"'
   Call: (214) [system] 'B'=!
   Fail: (214) [system] 'B'=!
   Call: (214) [system] 'B'='\''
   Fail: (214) [system] 'B'='\''
   Call: (214) [system] 'B'='`'
   Fail: (214) [system] 'B'='`'
   Call: (214) [system] 'B'=end_of_file
   Fail: (214) [system] 'B'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x55772f068e50), 'B', _1774690)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1810200)
   Call: (216) [system] peek_char((0x55772f068e50), _1811134)
   Exit: (216) [system] peek_char((0x55772f068e50), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_1815854, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _1810200=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (215) [user] classify_and_convert_charseq(['B'], _1774690)
^  Call: (216) [user] classify_and_convert_charseq_(['B'], _1822290)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1823242, _1823244), once(user:catch(read_from_chars(['B'], _1822290), _1823224, fail)), '$restore_trace'(_1823242, _1823244))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1823242, _1823244))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1822290), _1823224, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1822290)
   Fail: (217) [system] atomic(_1822290)
   Call: (217) [system] atom_chars(_1822290, ['B'])
   Exit: (217) [system] atom_chars('B', ['B'])
^  Exit: (216) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (216) [system] integer('B')
   Fail: (216) [system] integer('B')
   Call: (216) [system] _1774690='B'
   Exit: (216) [system] 'B'='B'
^  Exit: (215) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (214) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (213) [user] read_list(')', (0x55772f068e50), _1837240)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1839098)
   Exit: (215) [system] peek_char((0x55772f068e50), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1855108)
   Exit: (214) [system] peek_char((0x55772f068e50), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x55772f068e50), _1858898)
   Exit: (214) [system] get_char((0x55772f068e50), ')')
   Call: (214) [system] _1837240=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x55772f068e50), [])
   Call: (213) [system] _1738030=['B']
   Exit: (213) [system] ['B']=['B']
^  Exit: (212) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (212) [system] _1640692=['A', 'B']
   Exit: (212) [system] ['A', 'B']=['A', 'B']
^  Exit: (211) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (211) [system] _1434616=['AndLink', 'A', 'B']
   Exit: (211) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (210) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (209) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (209) [user] read_list(')', (0x55772f068e50), _1872780)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1874638)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x55772f068e50), _1884232)
   Exit: (211) [system] get_char((0x55772f068e50), ' ')
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1886936)
   Exit: (212) [system] peek_char((0x55772f068e50), 'C')
   Call: (212) [system] 'C'=(;)
   Fail: (212) [system] 'C'=(;)
   Call: (212) [system] 'C'=(/)
   Fail: (212) [system] 'C'=(/)
^  Call: (212) [user] is_like_space('C')
   Call: (213) [system] char_type('C', 'white')
   Fail: (213) [system] char_type('C', 'white')
   Call: (213) [system] char_type('C', end_of_line)
   Fail: (213) [system] char_type('C', end_of_line)
   Call: (213) [system] char_type('C', space)
   Fail: (213) [system] char_type('C', space)
   Call: (213) [system] char_type('C', cntrl)
   Fail: (213) [system] char_type('C', cntrl)
^  Fail: (212) [user] is_like_space('C')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1903870)
   Exit: (210) [system] peek_char((0x55772f068e50), 'C')
   Call: (210) [system] 'C'=')'
   Fail: (210) [system] 'C'=')'
   Call: (210) [system] 'C'=end_of_file
   Fail: (210) [system] 'C'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x55772f068e50), _1909440)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1911298)
   Exit: (212) [system] peek_char((0x55772f068e50), 'C')
   Call: (212) [system] 'C'=(;)
   Fail: (212) [system] 'C'=(;)
   Call: (212) [system] 'C'=(/)
   Fail: (212) [system] 'C'=(/)
^  Call: (212) [user] is_like_space('C')
   Call: (213) [system] char_type('C', 'white')
   Fail: (213) [system] char_type('C', 'white')
   Call: (213) [system] char_type('C', end_of_line)
   Fail: (213) [system] char_type('C', end_of_line)
   Call: (213) [system] char_type('C', space)
   Fail: (213) [system] char_type('C', space)
   Call: (213) [system] char_type('C', cntrl)
   Fail: (213) [system] char_type('C', cntrl)
^  Fail: (212) [user] is_like_space('C')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] get_char((0x55772f068e50), _1927308)
   Exit: (211) [system] get_char((0x55772f068e50), 'C')
   Call: (211) [system] 'C'='('
   Fail: (211) [system] 'C'='('
   Call: (211) [system] 'C'='['
   Fail: (211) [system] 'C'='['
   Call: (211) [system] 'C'='{'
   Fail: (211) [system] 'C'='{'
   Call: (211) [system] 'C'='"'
   Fail: (211) [system] 'C'='"'
   Call: (211) [system] 'C'=!
   Fail: (211) [system] 'C'=!
   Call: (211) [system] 'C'='\''
   Fail: (211) [system] 'C'='\''
   Call: (211) [system] 'C'='`'
   Fail: (211) [system] 'C'='`'
   Call: (211) [system] 'C'=end_of_file
   Fail: (211) [system] 'C'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x55772f068e50), 'C', _1909440)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1944950)
   Call: (213) [system] peek_char((0x55772f068e50), _1945884)
   Exit: (213) [system] peek_char((0x55772f068e50), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_1950604, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _1944950=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (212) [user] classify_and_convert_charseq(['C'], _1909440)
^  Call: (213) [user] classify_and_convert_charseq_(['C'], _1957040)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1957992, _1957994), once(user:catch(read_from_chars(['C'], _1957040), _1957974, fail)), '$restore_trace'(_1957992, _1957994))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1957992, _1957994))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1957040), _1957974, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1957040)
   Fail: (214) [system] atomic(_1957040)
   Call: (214) [system] atom_chars(_1957040, ['C'])
   Exit: (214) [system] atom_chars('C', ['C'])
^  Exit: (213) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (213) [system] integer('C')
   Fail: (213) [system] integer('C')
   Call: (213) [system] _1909440='C'
   Exit: (213) [system] 'C'='C'
^  Exit: (212) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (211) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (210) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (210) [user] read_list(')', (0x55772f068e50), _1971990)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1973848)
   Exit: (212) [system] peek_char((0x55772f068e50), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1989858)
   Exit: (211) [system] peek_char((0x55772f068e50), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x55772f068e50), _1993648)
   Exit: (211) [system] get_char((0x55772f068e50), ')')
   Call: (211) [system] _1971990=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x55772f068e50), [])
   Call: (210) [system] _1872780=['C']
   Exit: (210) [system] ['C']=['C']
^  Exit: (209) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (209) [system] _1397956=[['AndLink', 'A', 'B'], 'C']
   Exit: (209) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (208) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (208) [system] _1124960=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (208) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (207) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (206) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (206) [user] read_list(')', (0x55772f068e50), _2007530)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _2009388)
   Exit: (208) [system] peek_char((0x55772f068e50), ')')
   Call: (208) [system] ')'=(;)
   Fail: (208) [system] ')'=(;)
   Call: (208) [system] ')'=(/)
   Fail: (208) [system] ')'=(/)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Fail: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Fail: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
   Fail: (209) [system] char_type(')', cntrl)
^  Fail: (208) [user] is_like_space(')')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _2025398)
   Exit: (207) [system] peek_char((0x55772f068e50), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x55772f068e50), _2029188)
   Exit: (207) [system] get_char((0x55772f068e50), ')')
   Call: (207) [system] _2007530=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x55772f068e50), [])
   Call: (206) [system] _1088300=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (206) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (205) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (205) [system] _185800=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (205) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (204) [user] read_list(')', (0x55772f068e50), [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (204) [system] _4114=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (204) [system] ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (203) [user] read_list(')', (0x55772f068e50), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (202) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (202) [user] read_list(')', (0x55772f068e50), _2043070)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _2044928)
   Exit: (204) [system] peek_char((0x55772f068e50), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _2060938)
   Exit: (203) [system] peek_char((0x55772f068e50), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x55772f068e50), _2064728)
   Exit: (203) [system] get_char((0x55772f068e50), ')')
   Call: (203) [system] _2043070=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x55772f068e50), [])
   Call: (202) [system] _4110=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (202) [system] [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (201) [system] _4086=[['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (201) [system] [['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (200) [system] _4078=[:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (200) [system] [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (198) [user] read_list(')', (0x55772f068e50), _2078610)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _2080468)
   Exit: (200) [system] peek_char((0x55772f068e50), '\n')
   Call: (200) [system] '\n'=(;)
   Fail: (200) [system] '\n'=(;)
   Call: (200) [system] '\n'=(/)
   Fail: (200) [system] '\n'=(/)
^  Call: (200) [user] is_like_space('\n')
   Call: (201) [system] char_type('\n', 'white')
   Fail: (201) [system] char_type('\n', 'white')
   Call: (201) [system] char_type('\n', end_of_line)
   Exit: (201) [system] char_type('\n', end_of_line)
^  Exit: (200) [user] is_like_space('\n')
   Call: (200) [system] get_char((0x55772f068e50), _2091918)
   Exit: (200) [system] get_char((0x55772f068e50), '\n')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _2094622)
   Exit: (201) [system] peek_char((0x55772f068e50), '\t')
   Call: (201) [system] '\t'=(;)
   Fail: (201) [system] '\t'=(;)
   Call: (201) [system] '\t'=(/)
   Fail: (201) [system] '\t'=(/)
^  Call: (201) [user] is_like_space('\t')
   Call: (202) [system] char_type('\t', 'white')
   Exit: (202) [system] char_type('\t', 'white')
^  Exit: (201) [user] is_like_space('\t')
   Call: (201) [system] get_char((0x55772f068e50), _11620)
   Exit: (201) [system] get_char((0x55772f068e50), '\t')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _14324)
   Exit: (202) [system] peek_char((0x55772f068e50), '\t')
   Call: (202) [system] '\t'=(;)
   Fail: (202) [system] '\t'=(;)
   Call: (202) [system] '\t'=(/)
   Fail: (202) [system] '\t'=(/)
^  Call: (202) [user] is_like_space('\t')
   Call: (203) [system] char_type('\t', 'white')
   Exit: (203) [system] char_type('\t', 'white')
^  Exit: (202) [user] is_like_space('\t')
   Call: (202) [system] get_char((0x55772f068e50), _23918)
   Exit: (202) [system] get_char((0x55772f068e50), '\t')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _26622)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _36216)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _38920)
   Exit: (204) [system] peek_char((0x55772f068e50), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _58626)
   Exit: (199) [system] peek_char((0x55772f068e50), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _64196)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _66054)
   Exit: (201) [system] peek_char((0x55772f068e50), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _82064)
   Exit: (200) [system] get_char((0x55772f068e50), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x55772f068e50), _64196)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _87634)
   Exit: (202) [system] peek_char((0x55772f068e50), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
   Call: (202) [system] (:)=(/)
   Fail: (202) [system] (:)=(/)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _103644)
   Exit: (201) [system] peek_char((0x55772f068e50), :)
   Call: (201) [system] (:)=')'
   Fail: (201) [system] (:)=')'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _109214)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _111072)
   Exit: (203) [system] peek_char((0x55772f068e50), :)
   Call: (203) [system] (:)=(;)
   Fail: (203) [system] (:)=(;)
   Call: (203) [system] (:)=(/)
   Fail: (203) [system] (:)=(/)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Fail: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Fail: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Fail: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
   Fail: (204) [system] char_type(:, cntrl)
^  Fail: (203) [user] is_like_space(:)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _127082)
   Exit: (202) [system] get_char((0x55772f068e50), :)
   Call: (202) [system] (:)='('
   Fail: (202) [system] (:)='('
   Call: (202) [system] (:)='['
   Fail: (202) [system] (:)='['
   Call: (202) [system] (:)='{'
   Fail: (202) [system] (:)='{'
   Call: (202) [system] (:)='"'
   Fail: (202) [system] (:)='"'
   Call: (202) [system] (:)=!
   Fail: (202) [system] (:)=!
   Call: (202) [system] (:)='\''
   Fail: (202) [system] (:)='\''
   Call: (202) [system] (:)='`'
   Fail: (202) [system] (:)='`'
   Call: (202) [system] (:)=end_of_file
   Fail: (202) [system] (:)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), :, _109214)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _144724)
   Call: (204) [system] peek_char((0x55772f068e50), _145658)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _144724=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (203) [user] classify_and_convert_charseq([:], _109214)
^  Call: (204) [user] classify_and_convert_charseq_([:], _154942)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_155894, _155896), once(user:catch(read_from_chars([:], _154942), _155876, fail)), '$restore_trace'(_155894, _155896))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_155894, _155896))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _155876, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(:)
   Exit: (205) [system] atomic(:)
^  Exit: (204) [user] classify_and_convert_charseq_([:], :)
   Call: (204) [system] integer(:)
   Fail: (204) [system] integer(:)
   Call: (204) [system] _109214=(:)
   Exit: (204) [system] (:)=(:)
^  Exit: (203) [user] classify_and_convert_charseq([:], :)
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (201) [user] read_list(')', (0x55772f068e50), _168022)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _169880)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _179474)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _182178)
   Exit: (204) [system] peek_char((0x55772f068e50), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _199112)
   Exit: (202) [system] peek_char((0x55772f068e50), '(')
   Call: (202) [system] '('=')'
   Fail: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
   Fail: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x55772f068e50), _204682)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _206540)
   Exit: (204) [system] peek_char((0x55772f068e50), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] get_char((0x55772f068e50), _222550)
   Exit: (203) [system] get_char((0x55772f068e50), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x55772f068e50), _204682)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _228120)
   Exit: (205) [system] peek_char((0x55772f068e50), 'C')
   Call: (205) [system] 'C'=(;)
   Fail: (205) [system] 'C'=(;)
   Call: (205) [system] 'C'=(/)
   Fail: (205) [system] 'C'=(/)
^  Call: (205) [user] is_like_space('C')
   Call: (206) [system] char_type('C', 'white')
   Fail: (206) [system] char_type('C', 'white')
   Call: (206) [system] char_type('C', end_of_line)
   Fail: (206) [system] char_type('C', end_of_line)
   Call: (206) [system] char_type('C', space)
   Fail: (206) [system] char_type('C', space)
   Call: (206) [system] char_type('C', cntrl)
   Fail: (206) [system] char_type('C', cntrl)
^  Fail: (205) [user] is_like_space('C')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _244130)
   Exit: (204) [system] peek_char((0x55772f068e50), 'C')
   Call: (204) [system] 'C'=')'
   Fail: (204) [system] 'C'=')'
   Call: (204) [system] 'C'=end_of_file
   Fail: (204) [system] 'C'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x55772f068e50), _249700)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _251558)
   Exit: (206) [system] peek_char((0x55772f068e50), 'C')
   Call: (206) [system] 'C'=(;)
   Fail: (206) [system] 'C'=(;)
   Call: (206) [system] 'C'=(/)
   Fail: (206) [system] 'C'=(/)
^  Call: (206) [user] is_like_space('C')
   Call: (207) [system] char_type('C', 'white')
   Fail: (207) [system] char_type('C', 'white')
   Call: (207) [system] char_type('C', end_of_line)
   Fail: (207) [system] char_type('C', end_of_line)
   Call: (207) [system] char_type('C', space)
   Fail: (207) [system] char_type('C', space)
   Call: (207) [system] char_type('C', cntrl)
   Fail: (207) [system] char_type('C', cntrl)
^  Fail: (206) [user] is_like_space('C')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] get_char((0x55772f068e50), _267568)
   Exit: (205) [system] get_char((0x55772f068e50), 'C')
   Call: (205) [system] 'C'='('
   Fail: (205) [system] 'C'='('
   Call: (205) [system] 'C'='['
   Fail: (205) [system] 'C'='['
   Call: (205) [system] 'C'='{'
   Fail: (205) [system] 'C'='{'
   Call: (205) [system] 'C'='"'
   Fail: (205) [system] 'C'='"'
   Call: (205) [system] 'C'=!
   Fail: (205) [system] 'C'=!
   Call: (205) [system] 'C'='\''
   Fail: (205) [system] 'C'='\''
   Call: (205) [system] 'C'='`'
   Fail: (205) [system] 'C'='`'
   Call: (205) [system] 'C'=end_of_file
   Fail: (205) [system] 'C'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x55772f068e50), 'C', _249700)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _285210)
   Call: (207) [system] peek_char((0x55772f068e50), _286144)
   Exit: (207) [system] peek_char((0x55772f068e50), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_290864, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_291796, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x55772f068e50), o)
   Exit: (207) [system] get_char((0x55772f068e50), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _299146)
   Call: (208) [system] peek_char((0x55772f068e50), _300080)
   Exit: (208) [system] peek_char((0x55772f068e50), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_304800, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_305732, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x55772f068e50), n)
   Exit: (208) [system] get_char((0x55772f068e50), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _313082)
   Call: (209) [system] peek_char((0x55772f068e50), _314016)
   Exit: (209) [system] peek_char((0x55772f068e50), j)
^  Call: (209) [user] is_delimiter(j)
   Call: (210) [system] char_type(j, space)
   Fail: (210) [system] char_type(j, space)
   Call: (210) [system] arg(_318736, v('(', ')', end_of_file), j)
   Fail: (210) [system] arg(_319668, v('(', ')', end_of_file), j)
^  Fail: (209) [user] is_delimiter(j)
   Call: (209) [system] ')'==j
   Fail: (209) [system] ')'==j
   Call: (209) [system] get_char((0x55772f068e50), j)
   Exit: (209) [system] get_char((0x55772f068e50), j)
   Call: (209) [system] j=(\)
   Fail: (209) [system] j=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _327018)
   Call: (210) [system] peek_char((0x55772f068e50), _327952)
   Exit: (210) [system] peek_char((0x55772f068e50), u)
^  Call: (210) [user] is_delimiter(u)
   Call: (211) [system] char_type(u, space)
   Fail: (211) [system] char_type(u, space)
   Call: (211) [system] arg(_332672, v('(', ')', end_of_file), u)
   Fail: (211) [system] arg(_333604, v('(', ')', end_of_file), u)
^  Fail: (210) [user] is_delimiter(u)
   Call: (210) [system] ')'==u
   Fail: (210) [system] ')'==u
   Call: (210) [system] get_char((0x55772f068e50), u)
   Exit: (210) [system] get_char((0x55772f068e50), u)
   Call: (210) [system] u=(\)
   Fail: (210) [system] u=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _340954)
   Call: (211) [system] peek_char((0x55772f068e50), _341888)
   Exit: (211) [system] peek_char((0x55772f068e50), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_346608, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_347540, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x55772f068e50), n)
   Exit: (211) [system] get_char((0x55772f068e50), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _354890)
   Call: (212) [system] peek_char((0x55772f068e50), _355824)
   Exit: (212) [system] peek_char((0x55772f068e50), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_360544, v('(', ')', end_of_file), c)
   Fail: (213) [system] arg(_361476, v('(', ')', end_of_file), c)
^  Fail: (212) [user] is_delimiter(c)
   Call: (212) [system] ')'==c
   Fail: (212) [system] ')'==c
   Call: (212) [system] get_char((0x55772f068e50), c)
   Exit: (212) [system] get_char((0x55772f068e50), c)
   Call: (212) [system] c=(\)
   Fail: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _368826)
   Call: (213) [system] peek_char((0x55772f068e50), _369760)
   Exit: (213) [system] peek_char((0x55772f068e50), t)
^  Call: (213) [user] is_delimiter(t)
   Call: (214) [system] char_type(t, space)
   Fail: (214) [system] char_type(t, space)
   Call: (214) [system] arg(_374480, v('(', ')', end_of_file), t)
   Fail: (214) [system] arg(_375412, v('(', ')', end_of_file), t)
^  Fail: (213) [user] is_delimiter(t)
   Call: (213) [system] ')'==t
   Fail: (213) [system] ')'==t
   Call: (213) [system] get_char((0x55772f068e50), t)
   Exit: (213) [system] get_char((0x55772f068e50), t)
   Call: (213) [system] t=(\)
   Fail: (213) [system] t=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _382762)
   Call: (214) [system] peek_char((0x55772f068e50), _383696)
   Exit: (214) [system] peek_char((0x55772f068e50), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_388416, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_389348, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x55772f068e50), i)
   Exit: (214) [system] get_char((0x55772f068e50), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _396698)
   Call: (215) [system] peek_char((0x55772f068e50), _397632)
   Exit: (215) [system] peek_char((0x55772f068e50), o)
^  Call: (215) [user] is_delimiter(o)
   Call: (216) [system] char_type(o, space)
   Fail: (216) [system] char_type(o, space)
   Call: (216) [system] arg(_402352, v('(', ')', end_of_file), o)
   Fail: (216) [system] arg(_403284, v('(', ')', end_of_file), o)
^  Fail: (215) [user] is_delimiter(o)
   Call: (215) [system] ')'==o
   Fail: (215) [system] ')'==o
   Call: (215) [system] get_char((0x55772f068e50), o)
   Exit: (215) [system] get_char((0x55772f068e50), o)
   Call: (215) [system] o=(\)
   Fail: (215) [system] o=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _410634)
   Call: (216) [system] peek_char((0x55772f068e50), _411568)
   Exit: (216) [system] peek_char((0x55772f068e50), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_416288, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_417220, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x55772f068e50), n)
   Exit: (216) [system] get_char((0x55772f068e50), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _424570)
   Call: (217) [system] peek_char((0x55772f068e50), _425504)
   Exit: (217) [system] peek_char((0x55772f068e50), 'I')
^  Call: (217) [user] is_delimiter('I')
   Call: (218) [system] char_type('I', space)
   Fail: (218) [system] char_type('I', space)
   Call: (218) [system] arg(_430224, v('(', ')', end_of_file), 'I')
   Fail: (218) [system] arg(_431156, v('(', ')', end_of_file), 'I')
^  Fail: (217) [user] is_delimiter('I')
   Call: (217) [system] ')'=='I'
   Fail: (217) [system] ')'=='I'
   Call: (217) [system] get_char((0x55772f068e50), 'I')
   Exit: (217) [system] get_char((0x55772f068e50), 'I')
   Call: (217) [system] 'I'=(\)
   Fail: (217) [system] 'I'=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _438506)
   Call: (218) [system] peek_char((0x55772f068e50), _439440)
   Exit: (218) [system] peek_char((0x55772f068e50), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_444160, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_445092, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x55772f068e50), n)
   Exit: (218) [system] get_char((0x55772f068e50), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _452442)
   Call: (219) [system] peek_char((0x55772f068e50), _453376)
   Exit: (219) [system] peek_char((0x55772f068e50), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Fail: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_458096, v('(', ')', end_of_file), t)
   Fail: (220) [system] arg(_459028, v('(', ')', end_of_file), t)
^  Fail: (219) [user] is_delimiter(t)
   Call: (219) [system] ')'==t
   Fail: (219) [system] ')'==t
   Call: (219) [system] get_char((0x55772f068e50), t)
   Exit: (219) [system] get_char((0x55772f068e50), t)
   Call: (219) [system] t=(\)
   Fail: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _466378)
   Call: (220) [system] peek_char((0x55772f068e50), _467312)
   Exit: (220) [system] peek_char((0x55772f068e50), r)
^  Call: (220) [user] is_delimiter(r)
   Call: (221) [system] char_type(r, space)
   Fail: (221) [system] char_type(r, space)
   Call: (221) [system] arg(_472032, v('(', ')', end_of_file), r)
   Fail: (221) [system] arg(_472964, v('(', ')', end_of_file), r)
^  Fail: (220) [user] is_delimiter(r)
   Call: (220) [system] ')'==r
   Fail: (220) [system] ')'==r
   Call: (220) [system] get_char((0x55772f068e50), r)
   Exit: (220) [system] get_char((0x55772f068e50), r)
   Call: (220) [system] r=(\)
   Fail: (220) [system] r=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _480314)
   Call: (221) [system] peek_char((0x55772f068e50), _481248)
   Exit: (221) [system] peek_char((0x55772f068e50), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Fail: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_485968, v('(', ')', end_of_file), o)
   Fail: (222) [system] arg(_486900, v('(', ')', end_of_file), o)
^  Fail: (221) [user] is_delimiter(o)
   Call: (221) [system] ')'==o
   Fail: (221) [system] ')'==o
   Call: (221) [system] get_char((0x55772f068e50), o)
   Exit: (221) [system] get_char((0x55772f068e50), o)
   Call: (221) [system] o=(\)
   Fail: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _494250)
   Call: (222) [system] peek_char((0x55772f068e50), _495184)
   Exit: (222) [system] peek_char((0x55772f068e50), d)
^  Call: (222) [user] is_delimiter(d)
   Call: (223) [system] char_type(d, space)
   Fail: (223) [system] char_type(d, space)
   Call: (223) [system] arg(_499904, v('(', ')', end_of_file), d)
   Fail: (223) [system] arg(_500836, v('(', ')', end_of_file), d)
^  Fail: (222) [user] is_delimiter(d)
   Call: (222) [system] ')'==d
   Fail: (222) [system] ')'==d
   Call: (222) [system] get_char((0x55772f068e50), d)
   Exit: (222) [system] get_char((0x55772f068e50), d)
   Call: (222) [system] d=(\)
   Fail: (222) [system] d=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _508186)
   Call: (223) [system] peek_char((0x55772f068e50), _509120)
   Exit: (223) [system] peek_char((0x55772f068e50), u)
^  Call: (223) [user] is_delimiter(u)
   Call: (224) [system] char_type(u, space)
   Fail: (224) [system] char_type(u, space)
   Call: (224) [system] arg(_513840, v('(', ')', end_of_file), u)
   Fail: (224) [system] arg(_514772, v('(', ')', end_of_file), u)
^  Fail: (223) [user] is_delimiter(u)
   Call: (223) [system] ')'==u
   Fail: (223) [system] ')'==u
   Call: (223) [system] get_char((0x55772f068e50), u)
   Exit: (223) [system] get_char((0x55772f068e50), u)
   Call: (223) [system] u=(\)
   Fail: (223) [system] u=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _522122)
   Call: (224) [system] peek_char((0x55772f068e50), _523056)
   Exit: (224) [system] peek_char((0x55772f068e50), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_527776, v('(', ')', end_of_file), c)
   Fail: (225) [system] arg(_528708, v('(', ')', end_of_file), c)
^  Fail: (224) [user] is_delimiter(c)
   Call: (224) [system] ')'==c
   Fail: (224) [system] ')'==c
   Call: (224) [system] get_char((0x55772f068e50), c)
   Exit: (224) [system] get_char((0x55772f068e50), c)
   Call: (224) [system] c=(\)
   Fail: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _536058)
   Call: (225) [system] peek_char((0x55772f068e50), _536992)
   Exit: (225) [system] peek_char((0x55772f068e50), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_541712, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_542644, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x55772f068e50), t)
   Exit: (225) [system] get_char((0x55772f068e50), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _549994)
   Call: (226) [system] peek_char((0x55772f068e50), _550928)
   Exit: (226) [system] peek_char((0x55772f068e50), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_555648, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_556580, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x55772f068e50), i)
   Exit: (226) [system] get_char((0x55772f068e50), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _563930)
   Call: (227) [system] peek_char((0x55772f068e50), _564864)
   Exit: (227) [system] peek_char((0x55772f068e50), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_569584, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_570516, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x55772f068e50), o)
   Exit: (227) [system] get_char((0x55772f068e50), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _577866)
   Call: (228) [system] peek_char((0x55772f068e50), _578800)
   Exit: (228) [system] peek_char((0x55772f068e50), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_583520, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_584452, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x55772f068e50), n)
   Exit: (228) [system] get_char((0x55772f068e50), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _591802)
   Call: (229) [system] peek_char((0x55772f068e50), _592736)
   Exit: (229) [system] peek_char((0x55772f068e50), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _591802=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (228) [system] _577866=[n]
   Exit: (228) [system] [n]=[n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (227) [system] _563930=[o, n]
   Exit: (227) [system] [o, n]=[o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (226) [system] _549994=[i, o, n]
   Exit: (226) [system] [i, o, n]=[i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (225) [system] _536058=[t, i, o, n]
   Exit: (225) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (224) [system] _522122=[c, t, i, o, n]
   Exit: (224) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (223) [system] _508186=[u, c, t, i, o, n]
   Exit: (223) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (222) [system] _494250=[d, u, c, t, i, o, n]
   Exit: (222) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (221) [system] _480314=[o, d, u, c, t, i, o, n]
   Exit: (221) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (220) [system] _466378=[r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _452442=[t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _438506=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _424570=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _410634=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _396698=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _382762=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _368826=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _354890=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _340954=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _327018=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _313082=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _299146=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _285210=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (206) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _249700)
^  Call: (207) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _663488)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_664440, _664442), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _663488), _664422, fail)), '$restore_trace'(_664440, _664442))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_664440, _664442))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _663488), _664422, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_663488)
   Fail: (208) [system] atomic(_663488)
   Call: (208) [system] atom_chars(_663488, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (208) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (207) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (207) [system] integer('ConjunctionIntroduction')
   Fail: (207) [system] integer('ConjunctionIntroduction')
   Call: (207) [system] _249700='ConjunctionIntroduction'
   Exit: (207) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (206) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (205) [user] read_symbolic(')', (0x55772f068e50), 'C', 'ConjunctionIntroduction')
^  Exit: (204) [user] cont_sexpr(')', (0x55772f068e50), 'ConjunctionIntroduction')
^  Call: (204) [user] read_list(')', (0x55772f068e50), _678438)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _680296)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x55772f068e50), _689890)
   Exit: (206) [system] get_char((0x55772f068e50), ' ')
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _692594)
   Exit: (207) [system] peek_char((0x55772f068e50), c)
   Call: (207) [system] c=(;)
   Fail: (207) [system] c=(;)
   Call: (207) [system] c=(/)
   Fail: (207) [system] c=(/)
^  Call: (207) [user] is_like_space(c)
   Call: (208) [system] char_type(c, 'white')
   Fail: (208) [system] char_type(c, 'white')
   Call: (208) [system] char_type(c, end_of_line)
   Fail: (208) [system] char_type(c, end_of_line)
   Call: (208) [system] char_type(c, space)
   Fail: (208) [system] char_type(c, space)
   Call: (208) [system] char_type(c, cntrl)
   Fail: (208) [system] char_type(c, cntrl)
^  Fail: (207) [user] is_like_space(c)
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _709528)
   Exit: (205) [system] peek_char((0x55772f068e50), c)
   Call: (205) [system] c=')'
   Fail: (205) [system] c=')'
   Call: (205) [system] c=end_of_file
   Fail: (205) [system] c=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x55772f068e50), _715098)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _716956)
   Exit: (207) [system] peek_char((0x55772f068e50), c)
   Call: (207) [system] c=(;)
   Fail: (207) [system] c=(;)
   Call: (207) [system] c=(/)
   Fail: (207) [system] c=(/)
^  Call: (207) [user] is_like_space(c)
   Call: (208) [system] char_type(c, 'white')
   Fail: (208) [system] char_type(c, 'white')
   Call: (208) [system] char_type(c, end_of_line)
   Fail: (208) [system] char_type(c, end_of_line)
   Call: (208) [system] char_type(c, space)
   Fail: (208) [system] char_type(c, space)
   Call: (208) [system] char_type(c, cntrl)
   Fail: (208) [system] char_type(c, cntrl)
^  Fail: (207) [user] is_like_space(c)
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] get_char((0x55772f068e50), _732966)
   Exit: (206) [system] get_char((0x55772f068e50), c)
   Call: (206) [system] c='('
   Fail: (206) [system] c='('
   Call: (206) [system] c='['
   Fail: (206) [system] c='['
   Call: (206) [system] c='{'
   Fail: (206) [system] c='{'
   Call: (206) [system] c='"'
   Fail: (206) [system] c='"'
   Call: (206) [system] c=!
   Fail: (206) [system] c=!
   Call: (206) [system] c='\''
   Fail: (206) [system] c='\''
   Call: (206) [system] c='`'
   Fail: (206) [system] c='`'
   Call: (206) [system] c=end_of_file
   Fail: (206) [system] c=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x55772f068e50), c, _715098)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _750608)
   Call: (208) [system] peek_char((0x55772f068e50), _751542)
   Exit: (208) [system] peek_char((0x55772f068e50), d)
^  Call: (208) [user] is_delimiter(d)
   Call: (209) [system] char_type(d, space)
   Fail: (209) [system] char_type(d, space)
   Call: (209) [system] arg(_756262, v('(', ')', end_of_file), d)
   Fail: (209) [system] arg(_757194, v('(', ')', end_of_file), d)
^  Fail: (208) [user] is_delimiter(d)
   Call: (208) [system] ')'==d
   Fail: (208) [system] ')'==d
   Call: (208) [system] get_char((0x55772f068e50), d)
   Exit: (208) [system] get_char((0x55772f068e50), d)
   Call: (208) [system] d=(\)
   Fail: (208) [system] d=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _764544)
   Call: (209) [system] peek_char((0x55772f068e50), _765478)
   Exit: (209) [system] peek_char((0x55772f068e50), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_770198, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_771130, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x55772f068e50), e)
   Exit: (209) [system] get_char((0x55772f068e50), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _778480)
   Call: (210) [system] peek_char((0x55772f068e50), _779414)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _778480=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (209) [system] _764544=[e]
   Exit: (209) [system] [e]=[e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (208) [system] _750608=[d, e]
   Exit: (208) [system] [d, e]=[d, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [d, e])
^  Call: (207) [user] classify_and_convert_charseq([c, d, e], _715098)
^  Call: (208) [user] classify_and_convert_charseq_([c, d, e], _794286)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_795238, _795240), once(user:catch(read_from_chars([c, d, e], _794286), _795220, fail)), '$restore_trace'(_795238, _795240))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_795238, _795240))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _795220, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(cde)
   Exit: (209) [system] atomic(cde)
^  Exit: (208) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (208) [system] integer(cde)
   Fail: (208) [system] integer(cde)
   Call: (208) [system] _715098=cde
   Exit: (208) [system] cde=cde
^  Exit: (207) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (206) [user] read_symbolic(')', (0x55772f068e50), c, cde)
^  Exit: (205) [user] cont_sexpr(')', (0x55772f068e50), cde)
^  Call: (205) [user] read_list(')', (0x55772f068e50), _807366)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _809224)
   Exit: (207) [system] peek_char((0x55772f068e50), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x55772f068e50), _818818)
   Exit: (207) [system] get_char((0x55772f068e50), ' ')
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _821522)
   Exit: (208) [system] peek_char((0x55772f068e50), c)
   Call: (208) [system] c=(;)
   Fail: (208) [system] c=(;)
   Call: (208) [system] c=(/)
   Fail: (208) [system] c=(/)
^  Call: (208) [user] is_like_space(c)
   Call: (209) [system] char_type(c, 'white')
   Fail: (209) [system] char_type(c, 'white')
   Call: (209) [system] char_type(c, end_of_line)
   Fail: (209) [system] char_type(c, end_of_line)
   Call: (209) [system] char_type(c, space)
   Fail: (209) [system] char_type(c, space)
   Call: (209) [system] char_type(c, cntrl)
   Fail: (209) [system] char_type(c, cntrl)
^  Fail: (208) [user] is_like_space(c)
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _838456)
   Exit: (206) [system] peek_char((0x55772f068e50), c)
   Call: (206) [system] c=')'
   Fail: (206) [system] c=')'
   Call: (206) [system] c=end_of_file
   Fail: (206) [system] c=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x55772f068e50), _844026)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _845884)
   Exit: (208) [system] peek_char((0x55772f068e50), c)
   Call: (208) [system] c=(;)
   Fail: (208) [system] c=(;)
   Call: (208) [system] c=(/)
   Fail: (208) [system] c=(/)
^  Call: (208) [user] is_like_space(c)
   Call: (209) [system] char_type(c, 'white')
   Fail: (209) [system] char_type(c, 'white')
   Call: (209) [system] char_type(c, end_of_line)
   Fail: (209) [system] char_type(c, end_of_line)
   Call: (209) [system] char_type(c, space)
   Fail: (209) [system] char_type(c, space)
   Call: (209) [system] char_type(c, cntrl)
   Fail: (209) [system] char_type(c, cntrl)
^  Fail: (208) [user] is_like_space(c)
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] get_char((0x55772f068e50), _861894)
   Exit: (207) [system] get_char((0x55772f068e50), c)
   Call: (207) [system] c='('
   Fail: (207) [system] c='('
   Call: (207) [system] c='['
   Fail: (207) [system] c='['
   Call: (207) [system] c='{'
   Fail: (207) [system] c='{'
   Call: (207) [system] c='"'
   Fail: (207) [system] c='"'
   Call: (207) [system] c=!
   Fail: (207) [system] c=!
   Call: (207) [system] c='\''
   Fail: (207) [system] c='\''
   Call: (207) [system] c='`'
   Fail: (207) [system] c='`'
   Call: (207) [system] c=end_of_file
   Fail: (207) [system] c=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x55772f068e50), c, _844026)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _879536)
   Call: (209) [system] peek_char((0x55772f068e50), _880470)
   Exit: (209) [system] peek_char((0x55772f068e50), d)
^  Call: (209) [user] is_delimiter(d)
   Call: (210) [system] char_type(d, space)
   Fail: (210) [system] char_type(d, space)
   Call: (210) [system] arg(_885190, v('(', ')', end_of_file), d)
   Fail: (210) [system] arg(_886122, v('(', ')', end_of_file), d)
^  Fail: (209) [user] is_delimiter(d)
   Call: (209) [system] ')'==d
   Fail: (209) [system] ')'==d
   Call: (209) [system] get_char((0x55772f068e50), d)
   Exit: (209) [system] get_char((0x55772f068e50), d)
   Call: (209) [system] d=(\)
   Fail: (209) [system] d=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _893472)
   Call: (210) [system] peek_char((0x55772f068e50), _894406)
   Exit: (210) [system] peek_char((0x55772f068e50), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_899126, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_900058, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x55772f068e50), e)
   Exit: (210) [system] get_char((0x55772f068e50), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _907408)
   Call: (211) [system] peek_char((0x55772f068e50), _908342)
   Exit: (211) [system] peek_char((0x55772f068e50), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_913062, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _907408=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (210) [system] _893472=[e]
   Exit: (210) [system] [e]=[e]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (209) [system] _879536=[d, e]
   Exit: (209) [system] [d, e]=[d, e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [d, e])
^  Call: (208) [user] classify_and_convert_charseq([c, d, e], _844026)
^  Call: (209) [user] classify_and_convert_charseq_([c, d, e], _925086)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_926038, _926040), once(user:catch(read_from_chars([c, d, e], _925086), _926020, fail)), '$restore_trace'(_926038, _926040))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_926038, _926040))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _926020, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(cde)
   Exit: (210) [system] atomic(cde)
^  Exit: (209) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (209) [system] integer(cde)
   Fail: (209) [system] integer(cde)
   Call: (209) [system] _844026=cde
   Exit: (209) [system] cde=cde
^  Exit: (208) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (207) [user] read_symbolic(')', (0x55772f068e50), c, cde)
^  Exit: (206) [user] cont_sexpr(')', (0x55772f068e50), cde)
^  Call: (206) [user] read_list(')', (0x55772f068e50), _938166)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _940024)
   Exit: (208) [system] peek_char((0x55772f068e50), ')')
   Call: (208) [system] ')'=(;)
   Fail: (208) [system] ')'=(;)
   Call: (208) [system] ')'=(/)
   Fail: (208) [system] ')'=(/)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Fail: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Fail: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
   Fail: (209) [system] char_type(')', cntrl)
^  Fail: (208) [user] is_like_space(')')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _956034)
   Exit: (207) [system] peek_char((0x55772f068e50), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x55772f068e50), _959824)
   Exit: (207) [system] get_char((0x55772f068e50), ')')
   Call: (207) [system] _938166=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x55772f068e50), [])
   Call: (206) [system] _807366=[cde]
   Exit: (206) [system] [cde]=[cde]
^  Exit: (205) [user] read_list(')', (0x55772f068e50), [cde])
   Call: (205) [system] _678438=[cde, cde]
   Exit: (205) [system] [cde, cde]=[cde, cde]
^  Exit: (204) [user] read_list(')', (0x55772f068e50), [cde, cde])
   Call: (204) [system] _204682=['ConjunctionIntroduction', cde, cde]
   Exit: (204) [system] ['ConjunctionIntroduction', cde, cde]=['ConjunctionIntroduction', cde, cde]
^  Exit: (203) [user] read_list(')', (0x55772f068e50), ['ConjunctionIntroduction', cde, cde])
^  Exit: (202) [user] cont_sexpr(')', (0x55772f068e50), ['ConjunctionIntroduction', cde, cde])
^  Call: (202) [user] read_list(')', (0x55772f068e50), _973706)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _975564)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x55772f068e50), _985158)
   Exit: (204) [system] get_char((0x55772f068e50), ' ')
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _987862)
   Exit: (205) [system] peek_char((0x55772f068e50), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1004796)
   Exit: (203) [system] peek_char((0x55772f068e50), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x55772f068e50), _1010366)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1012224)
   Exit: (205) [system] peek_char((0x55772f068e50), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] get_char((0x55772f068e50), _1028234)
   Exit: (204) [system] get_char((0x55772f068e50), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x55772f068e50), _1010366)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1033804)
   Exit: (206) [system] peek_char((0x55772f068e50), 'A')
   Call: (206) [system] 'A'=(;)
   Fail: (206) [system] 'A'=(;)
   Call: (206) [system] 'A'=(/)
   Fail: (206) [system] 'A'=(/)
^  Call: (206) [user] is_like_space('A')
   Call: (207) [system] char_type('A', 'white')
   Fail: (207) [system] char_type('A', 'white')
   Call: (207) [system] char_type('A', end_of_line)
   Fail: (207) [system] char_type('A', end_of_line)
   Call: (207) [system] char_type('A', space)
   Fail: (207) [system] char_type('A', space)
   Call: (207) [system] char_type('A', cntrl)
   Fail: (207) [system] char_type('A', cntrl)
^  Fail: (206) [user] is_like_space('A')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1049814)
   Exit: (205) [system] peek_char((0x55772f068e50), 'A')
   Call: (205) [system] 'A'=')'
   Fail: (205) [system] 'A'=')'
   Call: (205) [system] 'A'=end_of_file
   Fail: (205) [system] 'A'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x55772f068e50), _1055384)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1057242)
   Exit: (207) [system] peek_char((0x55772f068e50), 'A')
   Call: (207) [system] 'A'=(;)
   Fail: (207) [system] 'A'=(;)
   Call: (207) [system] 'A'=(/)
   Fail: (207) [system] 'A'=(/)
^  Call: (207) [user] is_like_space('A')
   Call: (208) [system] char_type('A', 'white')
   Fail: (208) [system] char_type('A', 'white')
   Call: (208) [system] char_type('A', end_of_line)
   Fail: (208) [system] char_type('A', end_of_line)
   Call: (208) [system] char_type('A', space)
   Fail: (208) [system] char_type('A', space)
   Call: (208) [system] char_type('A', cntrl)
   Fail: (208) [system] char_type('A', cntrl)
^  Fail: (207) [user] is_like_space('A')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] get_char((0x55772f068e50), _1073252)
   Exit: (206) [system] get_char((0x55772f068e50), 'A')
   Call: (206) [system] 'A'='('
   Fail: (206) [system] 'A'='('
   Call: (206) [system] 'A'='['
   Fail: (206) [system] 'A'='['
   Call: (206) [system] 'A'='{'
   Fail: (206) [system] 'A'='{'
   Call: (206) [system] 'A'='"'
   Fail: (206) [system] 'A'='"'
   Call: (206) [system] 'A'=!
   Fail: (206) [system] 'A'=!
   Call: (206) [system] 'A'='\''
   Fail: (206) [system] 'A'='\''
   Call: (206) [system] 'A'='`'
   Fail: (206) [system] 'A'='`'
   Call: (206) [system] 'A'=end_of_file
   Fail: (206) [system] 'A'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x55772f068e50), 'A', _1055384)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1090894)
   Call: (208) [system] peek_char((0x55772f068e50), _1091828)
   Exit: (208) [system] peek_char((0x55772f068e50), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1096548, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1097480, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x55772f068e50), n)
   Exit: (208) [system] get_char((0x55772f068e50), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1104830)
   Call: (209) [system] peek_char((0x55772f068e50), _1105764)
   Exit: (209) [system] peek_char((0x55772f068e50), d)
^  Call: (209) [user] is_delimiter(d)
   Call: (210) [system] char_type(d, space)
   Fail: (210) [system] char_type(d, space)
   Call: (210) [system] arg(_1110484, v('(', ')', end_of_file), d)
   Fail: (210) [system] arg(_1111416, v('(', ')', end_of_file), d)
^  Fail: (209) [user] is_delimiter(d)
   Call: (209) [system] ')'==d
   Fail: (209) [system] ')'==d
   Call: (209) [system] get_char((0x55772f068e50), d)
   Exit: (209) [system] get_char((0x55772f068e50), d)
   Call: (209) [system] d=(\)
   Fail: (209) [system] d=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1118766)
   Call: (210) [system] peek_char((0x55772f068e50), _1119700)
   Exit: (210) [system] peek_char((0x55772f068e50), 'L')
^  Call: (210) [user] is_delimiter('L')
   Call: (211) [system] char_type('L', space)
   Fail: (211) [system] char_type('L', space)
   Call: (211) [system] arg(_1124420, v('(', ')', end_of_file), 'L')
   Fail: (211) [system] arg(_1125352, v('(', ')', end_of_file), 'L')
^  Fail: (210) [user] is_delimiter('L')
   Call: (210) [system] ')'=='L'
   Fail: (210) [system] ')'=='L'
   Call: (210) [system] get_char((0x55772f068e50), 'L')
   Exit: (210) [system] get_char((0x55772f068e50), 'L')
   Call: (210) [system] 'L'=(\)
   Fail: (210) [system] 'L'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1132702)
   Call: (211) [system] peek_char((0x55772f068e50), _1133636)
   Exit: (211) [system] peek_char((0x55772f068e50), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_1138356, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_1139288, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x55772f068e50), i)
   Exit: (211) [system] get_char((0x55772f068e50), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1146638)
   Call: (212) [system] peek_char((0x55772f068e50), _1147572)
   Exit: (212) [system] peek_char((0x55772f068e50), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_1152292, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_1153224, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x55772f068e50), n)
   Exit: (212) [system] get_char((0x55772f068e50), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1160574)
   Call: (213) [system] peek_char((0x55772f068e50), _1161508)
   Exit: (213) [system] peek_char((0x55772f068e50), k)
^  Call: (213) [user] is_delimiter(k)
   Call: (214) [system] char_type(k, space)
   Fail: (214) [system] char_type(k, space)
   Call: (214) [system] arg(_1166228, v('(', ')', end_of_file), k)
   Fail: (214) [system] arg(_1167160, v('(', ')', end_of_file), k)
^  Fail: (213) [user] is_delimiter(k)
   Call: (213) [system] ')'==k
   Fail: (213) [system] ')'==k
   Call: (213) [system] get_char((0x55772f068e50), k)
   Exit: (213) [system] get_char((0x55772f068e50), k)
   Call: (213) [system] k=(\)
   Fail: (213) [system] k=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1174510)
   Call: (214) [system] peek_char((0x55772f068e50), _1175444)
   Exit: (214) [system] peek_char((0x55772f068e50), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _1174510=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (213) [system] _1160574=[k]
   Exit: (213) [system] [k]=[k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (212) [system] _1146638=[n, k]
   Exit: (212) [system] [n, k]=[n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (211) [system] _1132702=[i, n, k]
   Exit: (211) [system] [i, n, k]=[i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (210) [system] _1118766=['L', i, n, k]
   Exit: (210) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (209) [system] _1104830=[d, 'L', i, n, k]
   Exit: (209) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (208) [system] _1090894=[n, d, 'L', i, n, k]
   Exit: (208) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (207) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1055384)
^  Call: (208) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1201492)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1202444, _1202446), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1201492), _1202426, fail)), '$restore_trace'(_1202444, _1202446))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1202444, _1202446))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1201492), _1202426, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_1201492)
   Fail: (209) [system] atomic(_1201492)
   Call: (209) [system] atom_chars(_1201492, ['A', n, d, 'L', i, n, k])
   Exit: (209) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (208) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (208) [system] integer('AndLink')
   Fail: (208) [system] integer('AndLink')
   Call: (208) [system] _1055384='AndLink'
   Exit: (208) [system] 'AndLink'='AndLink'
^  Exit: (207) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (206) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (205) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (205) [user] read_list(')', (0x55772f068e50), _1216442)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1218300)
   Exit: (207) [system] peek_char((0x55772f068e50), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x55772f068e50), _1227894)
   Exit: (207) [system] get_char((0x55772f068e50), ' ')
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1230598)
   Exit: (208) [system] peek_char((0x55772f068e50), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1247532)
   Exit: (206) [system] peek_char((0x55772f068e50), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x55772f068e50), _1253102)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1254960)
   Exit: (208) [system] peek_char((0x55772f068e50), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] get_char((0x55772f068e50), _1270970)
   Exit: (207) [system] get_char((0x55772f068e50), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x55772f068e50), _1253102)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1276540)
   Exit: (209) [system] peek_char((0x55772f068e50), 'I')
   Call: (209) [system] 'I'=(;)
   Fail: (209) [system] 'I'=(;)
   Call: (209) [system] 'I'=(/)
   Fail: (209) [system] 'I'=(/)
^  Call: (209) [user] is_like_space('I')
   Call: (210) [system] char_type('I', 'white')
   Fail: (210) [system] char_type('I', 'white')
   Call: (210) [system] char_type('I', end_of_line)
   Fail: (210) [system] char_type('I', end_of_line)
   Call: (210) [system] char_type('I', space)
   Fail: (210) [system] char_type('I', space)
   Call: (210) [system] char_type('I', cntrl)
   Fail: (210) [system] char_type('I', cntrl)
^  Fail: (209) [user] is_like_space('I')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1292550)
   Exit: (208) [system] peek_char((0x55772f068e50), 'I')
   Call: (208) [system] 'I'=')'
   Fail: (208) [system] 'I'=')'
   Call: (208) [system] 'I'=end_of_file
   Fail: (208) [system] 'I'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x55772f068e50), _1298120)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1299978)
   Exit: (210) [system] peek_char((0x55772f068e50), 'I')
   Call: (210) [system] 'I'=(;)
   Fail: (210) [system] 'I'=(;)
   Call: (210) [system] 'I'=(/)
   Fail: (210) [system] 'I'=(/)
^  Call: (210) [user] is_like_space('I')
   Call: (211) [system] char_type('I', 'white')
   Fail: (211) [system] char_type('I', 'white')
   Call: (211) [system] char_type('I', end_of_line)
   Fail: (211) [system] char_type('I', end_of_line)
   Call: (211) [system] char_type('I', space)
   Fail: (211) [system] char_type('I', space)
   Call: (211) [system] char_type('I', cntrl)
   Fail: (211) [system] char_type('I', cntrl)
^  Fail: (210) [user] is_like_space('I')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] get_char((0x55772f068e50), _1315988)
   Exit: (209) [system] get_char((0x55772f068e50), 'I')
   Call: (209) [system] 'I'='('
   Fail: (209) [system] 'I'='('
   Call: (209) [system] 'I'='['
   Fail: (209) [system] 'I'='['
   Call: (209) [system] 'I'='{'
   Fail: (209) [system] 'I'='{'
   Call: (209) [system] 'I'='"'
   Fail: (209) [system] 'I'='"'
   Call: (209) [system] 'I'=!
   Fail: (209) [system] 'I'=!
   Call: (209) [system] 'I'='\''
   Fail: (209) [system] 'I'='\''
   Call: (209) [system] 'I'='`'
   Fail: (209) [system] 'I'='`'
   Call: (209) [system] 'I'=end_of_file
   Fail: (209) [system] 'I'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x55772f068e50), 'I', _1298120)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1333630)
   Call: (211) [system] peek_char((0x55772f068e50), _1334564)
   Exit: (211) [system] peek_char((0x55772f068e50), m)
^  Call: (211) [user] is_delimiter(m)
   Call: (212) [system] char_type(m, space)
   Fail: (212) [system] char_type(m, space)
   Call: (212) [system] arg(_1339284, v('(', ')', end_of_file), m)
   Fail: (212) [system] arg(_1340216, v('(', ')', end_of_file), m)
^  Fail: (211) [user] is_delimiter(m)
   Call: (211) [system] ')'==m
   Fail: (211) [system] ')'==m
   Call: (211) [system] get_char((0x55772f068e50), m)
   Exit: (211) [system] get_char((0x55772f068e50), m)
   Call: (211) [system] m=(\)
   Fail: (211) [system] m=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1347566)
   Call: (212) [system] peek_char((0x55772f068e50), _1348500)
   Exit: (212) [system] peek_char((0x55772f068e50), p)
^  Call: (212) [user] is_delimiter(p)
   Call: (213) [system] char_type(p, space)
   Fail: (213) [system] char_type(p, space)
   Call: (213) [system] arg(_1353220, v('(', ')', end_of_file), p)
   Fail: (213) [system] arg(_1354152, v('(', ')', end_of_file), p)
^  Fail: (212) [user] is_delimiter(p)
   Call: (212) [system] ')'==p
   Fail: (212) [system] ')'==p
   Call: (212) [system] get_char((0x55772f068e50), p)
   Exit: (212) [system] get_char((0x55772f068e50), p)
   Call: (212) [system] p=(\)
   Fail: (212) [system] p=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1361502)
   Call: (213) [system] peek_char((0x55772f068e50), _1362436)
   Exit: (213) [system] peek_char((0x55772f068e50), l)
^  Call: (213) [user] is_delimiter(l)
   Call: (214) [system] char_type(l, space)
   Fail: (214) [system] char_type(l, space)
   Call: (214) [system] arg(_1367156, v('(', ')', end_of_file), l)
   Fail: (214) [system] arg(_1368088, v('(', ')', end_of_file), l)
^  Fail: (213) [user] is_delimiter(l)
   Call: (213) [system] ')'==l
   Fail: (213) [system] ')'==l
   Call: (213) [system] get_char((0x55772f068e50), l)
   Exit: (213) [system] get_char((0x55772f068e50), l)
   Call: (213) [system] l=(\)
   Fail: (213) [system] l=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1375438)
   Call: (214) [system] peek_char((0x55772f068e50), _1376372)
   Exit: (214) [system] peek_char((0x55772f068e50), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_1381092, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_1382024, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x55772f068e50), i)
   Exit: (214) [system] get_char((0x55772f068e50), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1389374)
   Call: (215) [system] peek_char((0x55772f068e50), _1390308)
   Exit: (215) [system] peek_char((0x55772f068e50), c)
^  Call: (215) [user] is_delimiter(c)
   Call: (216) [system] char_type(c, space)
   Fail: (216) [system] char_type(c, space)
   Call: (216) [system] arg(_1395028, v('(', ')', end_of_file), c)
   Fail: (216) [system] arg(_1395960, v('(', ')', end_of_file), c)
^  Fail: (215) [user] is_delimiter(c)
   Call: (215) [system] ')'==c
   Fail: (215) [system] ')'==c
   Call: (215) [system] get_char((0x55772f068e50), c)
   Exit: (215) [system] get_char((0x55772f068e50), c)
   Call: (215) [system] c=(\)
   Fail: (215) [system] c=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1403310)
   Call: (216) [system] peek_char((0x55772f068e50), _1404244)
   Exit: (216) [system] peek_char((0x55772f068e50), a)
^  Call: (216) [user] is_delimiter(a)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] arg(_1408964, v('(', ')', end_of_file), a)
   Fail: (217) [system] arg(_1409896, v('(', ')', end_of_file), a)
^  Fail: (216) [user] is_delimiter(a)
   Call: (216) [system] ')'==a
   Fail: (216) [system] ')'==a
   Call: (216) [system] get_char((0x55772f068e50), a)
   Exit: (216) [system] get_char((0x55772f068e50), a)
   Call: (216) [system] a=(\)
   Fail: (216) [system] a=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1417246)
   Call: (217) [system] peek_char((0x55772f068e50), _1418180)
   Exit: (217) [system] peek_char((0x55772f068e50), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Fail: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_1422900, v('(', ')', end_of_file), t)
   Fail: (218) [system] arg(_1423832, v('(', ')', end_of_file), t)
^  Fail: (217) [user] is_delimiter(t)
   Call: (217) [system] ')'==t
   Fail: (217) [system] ')'==t
   Call: (217) [system] get_char((0x55772f068e50), t)
   Exit: (217) [system] get_char((0x55772f068e50), t)
   Call: (217) [system] t=(\)
   Fail: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1431182)
   Call: (218) [system] peek_char((0x55772f068e50), _1432116)
   Exit: (218) [system] peek_char((0x55772f068e50), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_1436836, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_1437768, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x55772f068e50), i)
   Exit: (218) [system] get_char((0x55772f068e50), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1445118)
   Call: (219) [system] peek_char((0x55772f068e50), _1446052)
   Exit: (219) [system] peek_char((0x55772f068e50), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Fail: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_1450772, v('(', ')', end_of_file), o)
   Fail: (220) [system] arg(_1451704, v('(', ')', end_of_file), o)
^  Fail: (219) [user] is_delimiter(o)
   Call: (219) [system] ')'==o
   Fail: (219) [system] ')'==o
   Call: (219) [system] get_char((0x55772f068e50), o)
   Exit: (219) [system] get_char((0x55772f068e50), o)
   Call: (219) [system] o=(\)
   Fail: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1459054)
   Call: (220) [system] peek_char((0x55772f068e50), _1459988)
   Exit: (220) [system] peek_char((0x55772f068e50), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1464708, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1465640, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x55772f068e50), n)
   Exit: (220) [system] get_char((0x55772f068e50), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1472990)
   Call: (221) [system] peek_char((0x55772f068e50), _1473924)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _1472990=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (220) [system] _1459054=[n]
   Exit: (220) [system] [n]=[n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (219) [system] _1445118=[o, n]
   Exit: (219) [system] [o, n]=[o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (218) [system] _1431182=[i, o, n]
   Exit: (218) [system] [i, o, n]=[i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (217) [system] _1417246=[t, i, o, n]
   Exit: (217) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (216) [system] _1403310=[a, t, i, o, n]
   Exit: (216) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (215) [system] _1389374=[c, a, t, i, o, n]
   Exit: (215) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (214) [system] _1375438=[i, c, a, t, i, o, n]
   Exit: (214) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (213) [system] _1361502=[l, i, c, a, t, i, o, n]
   Exit: (213) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (212) [system] _1347566=[p, l, i, c, a, t, i, o, n]
   Exit: (212) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (211) [system] _1333630=[m, p, l, i, c, a, t, i, o, n]
   Exit: (211) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (210) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1298120)
^  Call: (211) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1511148)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1512100, _1512102), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1511148), _1512082, fail)), '$restore_trace'(_1512100, _1512102))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1512100, _1512102))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1511148), _1512082, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1511148)
   Fail: (212) [system] atomic(_1511148)
   Call: (212) [system] atom_chars(_1511148, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (212) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (211) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (211) [system] integer('Implication')
   Fail: (211) [system] integer('Implication')
   Call: (211) [system] _1298120='Implication'
   Exit: (211) [system] 'Implication'='Implication'
^  Exit: (210) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (209) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (208) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (208) [user] read_list(')', (0x55772f068e50), _1526098)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1527956)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x55772f068e50), _1537550)
   Exit: (210) [system] get_char((0x55772f068e50), ' ')
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1540254)
   Exit: (211) [system] peek_char((0x55772f068e50), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1557188)
   Exit: (209) [system] peek_char((0x55772f068e50), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x55772f068e50), _1562758)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1564616)
   Exit: (211) [system] peek_char((0x55772f068e50), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] get_char((0x55772f068e50), _1580626)
   Exit: (210) [system] get_char((0x55772f068e50), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x55772f068e50), _1562758)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1586196)
   Exit: (212) [system] peek_char((0x55772f068e50), 'O')
   Call: (212) [system] 'O'=(;)
   Fail: (212) [system] 'O'=(;)
   Call: (212) [system] 'O'=(/)
   Fail: (212) [system] 'O'=(/)
^  Call: (212) [user] is_like_space('O')
   Call: (213) [system] char_type('O', 'white')
   Fail: (213) [system] char_type('O', 'white')
   Call: (213) [system] char_type('O', end_of_line)
   Fail: (213) [system] char_type('O', end_of_line)
   Call: (213) [system] char_type('O', space)
   Fail: (213) [system] char_type('O', space)
   Call: (213) [system] char_type('O', cntrl)
   Fail: (213) [system] char_type('O', cntrl)
^  Fail: (212) [user] is_like_space('O')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1602206)
   Exit: (211) [system] peek_char((0x55772f068e50), 'O')
   Call: (211) [system] 'O'=')'
   Fail: (211) [system] 'O'=')'
   Call: (211) [system] 'O'=end_of_file
   Fail: (211) [system] 'O'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x55772f068e50), _1607776)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1609634)
   Exit: (213) [system] peek_char((0x55772f068e50), 'O')
   Call: (213) [system] 'O'=(;)
   Fail: (213) [system] 'O'=(;)
   Call: (213) [system] 'O'=(/)
   Fail: (213) [system] 'O'=(/)
^  Call: (213) [user] is_like_space('O')
   Call: (214) [system] char_type('O', 'white')
   Fail: (214) [system] char_type('O', 'white')
   Call: (214) [system] char_type('O', end_of_line)
   Fail: (214) [system] char_type('O', end_of_line)
   Call: (214) [system] char_type('O', space)
   Fail: (214) [system] char_type('O', space)
   Call: (214) [system] char_type('O', cntrl)
   Fail: (214) [system] char_type('O', cntrl)
^  Fail: (213) [user] is_like_space('O')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] get_char((0x55772f068e50), _1625644)
   Exit: (212) [system] get_char((0x55772f068e50), 'O')
   Call: (212) [system] 'O'='('
   Fail: (212) [system] 'O'='('
   Call: (212) [system] 'O'='['
   Fail: (212) [system] 'O'='['
   Call: (212) [system] 'O'='{'
   Fail: (212) [system] 'O'='{'
   Call: (212) [system] 'O'='"'
   Fail: (212) [system] 'O'='"'
   Call: (212) [system] 'O'=!
   Fail: (212) [system] 'O'=!
   Call: (212) [system] 'O'='\''
   Fail: (212) [system] 'O'='\''
   Call: (212) [system] 'O'='`'
   Fail: (212) [system] 'O'='`'
   Call: (212) [system] 'O'=end_of_file
   Fail: (212) [system] 'O'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x55772f068e50), 'O', _1607776)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1643286)
   Call: (214) [system] peek_char((0x55772f068e50), _1644220)
   Exit: (214) [system] peek_char((0x55772f068e50), r)
^  Call: (214) [user] is_delimiter(r)
   Call: (215) [system] char_type(r, space)
   Fail: (215) [system] char_type(r, space)
   Call: (215) [system] arg(_1648940, v('(', ')', end_of_file), r)
   Fail: (215) [system] arg(_1649872, v('(', ')', end_of_file), r)
^  Fail: (214) [user] is_delimiter(r)
   Call: (214) [system] ')'==r
   Fail: (214) [system] ')'==r
   Call: (214) [system] get_char((0x55772f068e50), r)
   Exit: (214) [system] get_char((0x55772f068e50), r)
   Call: (214) [system] r=(\)
   Fail: (214) [system] r=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1657222)
   Call: (215) [system] peek_char((0x55772f068e50), _1658156)
   Exit: (215) [system] peek_char((0x55772f068e50), 'L')
^  Call: (215) [user] is_delimiter('L')
   Call: (216) [system] char_type('L', space)
   Fail: (216) [system] char_type('L', space)
   Call: (216) [system] arg(_1662876, v('(', ')', end_of_file), 'L')
   Fail: (216) [system] arg(_1663808, v('(', ')', end_of_file), 'L')
^  Fail: (215) [user] is_delimiter('L')
   Call: (215) [system] ')'=='L'
   Fail: (215) [system] ')'=='L'
   Call: (215) [system] get_char((0x55772f068e50), 'L')
   Exit: (215) [system] get_char((0x55772f068e50), 'L')
   Call: (215) [system] 'L'=(\)
   Fail: (215) [system] 'L'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1671158)
   Call: (216) [system] peek_char((0x55772f068e50), _1672092)
   Exit: (216) [system] peek_char((0x55772f068e50), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_1676812, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_1677744, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x55772f068e50), i)
   Exit: (216) [system] get_char((0x55772f068e50), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1685094)
   Call: (217) [system] peek_char((0x55772f068e50), _1686028)
   Exit: (217) [system] peek_char((0x55772f068e50), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1690748, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1691680, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x55772f068e50), n)
   Exit: (217) [system] get_char((0x55772f068e50), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1699030)
   Call: (218) [system] peek_char((0x55772f068e50), _1699964)
   Exit: (218) [system] peek_char((0x55772f068e50), k)
^  Call: (218) [user] is_delimiter(k)
   Call: (219) [system] char_type(k, space)
   Fail: (219) [system] char_type(k, space)
   Call: (219) [system] arg(_1704684, v('(', ')', end_of_file), k)
   Fail: (219) [system] arg(_1705616, v('(', ')', end_of_file), k)
^  Fail: (218) [user] is_delimiter(k)
   Call: (218) [system] ')'==k
   Fail: (218) [system] ')'==k
   Call: (218) [system] get_char((0x55772f068e50), k)
   Exit: (218) [system] get_char((0x55772f068e50), k)
   Call: (218) [system] k=(\)
   Fail: (218) [system] k=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1712966)
   Call: (219) [system] peek_char((0x55772f068e50), _1713900)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _1712966=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (218) [system] _1699030=[k]
   Exit: (218) [system] [k]=[k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (217) [system] _1685094=[n, k]
   Exit: (217) [system] [n, k]=[n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (216) [system] _1671158=[i, n, k]
   Exit: (216) [system] [i, n, k]=[i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (215) [system] _1657222=['L', i, n, k]
   Exit: (215) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (214) [system] _1643286=[r, 'L', i, n, k]
   Exit: (214) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (213) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1607776)
^  Call: (214) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1737154)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1738106, _1738108), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1737154), _1738088, fail)), '$restore_trace'(_1738106, _1738108))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1738106, _1738108))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1737154), _1738088, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1737154)
   Fail: (215) [system] atomic(_1737154)
   Call: (215) [system] atom_chars(_1737154, ['O', r, 'L', i, n, k])
   Exit: (215) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (214) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (214) [system] integer('OrLink')
   Fail: (214) [system] integer('OrLink')
   Call: (214) [system] _1607776='OrLink'
   Exit: (214) [system] 'OrLink'='OrLink'
^  Exit: (213) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (212) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (211) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (211) [user] read_list(')', (0x55772f068e50), _1752104)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1753962)
   Exit: (213) [system] peek_char((0x55772f068e50), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x55772f068e50), _1763556)
   Exit: (213) [system] get_char((0x55772f068e50), ' ')
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1766260)
   Exit: (214) [system] peek_char((0x55772f068e50), 'C')
   Call: (214) [system] 'C'=(;)
   Fail: (214) [system] 'C'=(;)
   Call: (214) [system] 'C'=(/)
   Fail: (214) [system] 'C'=(/)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Fail: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Fail: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Fail: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
   Fail: (215) [system] char_type('C', cntrl)
^  Fail: (214) [user] is_like_space('C')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1783194)
   Exit: (212) [system] peek_char((0x55772f068e50), 'C')
   Call: (212) [system] 'C'=')'
   Fail: (212) [system] 'C'=')'
   Call: (212) [system] 'C'=end_of_file
   Fail: (212) [system] 'C'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x55772f068e50), _1788764)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1790622)
   Exit: (214) [system] peek_char((0x55772f068e50), 'C')
   Call: (214) [system] 'C'=(;)
   Fail: (214) [system] 'C'=(;)
   Call: (214) [system] 'C'=(/)
   Fail: (214) [system] 'C'=(/)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Fail: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Fail: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Fail: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
   Fail: (215) [system] char_type('C', cntrl)
^  Fail: (214) [user] is_like_space('C')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] get_char((0x55772f068e50), _1806632)
   Exit: (213) [system] get_char((0x55772f068e50), 'C')
   Call: (213) [system] 'C'='('
   Fail: (213) [system] 'C'='('
   Call: (213) [system] 'C'='['
   Fail: (213) [system] 'C'='['
   Call: (213) [system] 'C'='{'
   Fail: (213) [system] 'C'='{'
   Call: (213) [system] 'C'='"'
   Fail: (213) [system] 'C'='"'
   Call: (213) [system] 'C'=!
   Fail: (213) [system] 'C'=!
   Call: (213) [system] 'C'='\''
   Fail: (213) [system] 'C'='\''
   Call: (213) [system] 'C'='`'
   Fail: (213) [system] 'C'='`'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x55772f068e50), 'C', _1788764)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1824274)
   Call: (215) [system] peek_char((0x55772f068e50), _1825208)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1824274=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (214) [user] classify_and_convert_charseq(['C'], _1788764)
^  Call: (215) [user] classify_and_convert_charseq_(['C'], _1834492)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1835444, _1835446), once(user:catch(read_from_chars(['C'], _1834492), _1835426, fail)), '$restore_trace'(_1835444, _1835446))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1835444, _1835446))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1834492), _1835426, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1834492)
   Fail: (216) [system] atomic(_1834492)
   Call: (216) [system] atom_chars(_1834492, ['C'])
   Exit: (216) [system] atom_chars('C', ['C'])
^  Exit: (215) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (215) [system] integer('C')
   Fail: (215) [system] integer('C')
   Call: (215) [system] _1788764='C'
   Exit: (215) [system] 'C'='C'
^  Exit: (214) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (213) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (212) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (212) [user] read_list(')', (0x55772f068e50), _1849442)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1851300)
   Exit: (214) [system] peek_char((0x55772f068e50), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x55772f068e50), _1860894)
   Exit: (214) [system] get_char((0x55772f068e50), ' ')
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1863598)
   Exit: (215) [system] peek_char((0x55772f068e50), 'D')
   Call: (215) [system] 'D'=(;)
   Fail: (215) [system] 'D'=(;)
   Call: (215) [system] 'D'=(/)
   Fail: (215) [system] 'D'=(/)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Fail: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Fail: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Fail: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
   Fail: (216) [system] char_type('D', cntrl)
^  Fail: (215) [user] is_like_space('D')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1880532)
   Exit: (213) [system] peek_char((0x55772f068e50), 'D')
   Call: (213) [system] 'D'=')'
   Fail: (213) [system] 'D'=')'
   Call: (213) [system] 'D'=end_of_file
   Fail: (213) [system] 'D'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _1886102)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1887960)
   Exit: (215) [system] peek_char((0x55772f068e50), 'D')
   Call: (215) [system] 'D'=(;)
   Fail: (215) [system] 'D'=(;)
   Call: (215) [system] 'D'=(/)
   Fail: (215) [system] 'D'=(/)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Fail: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Fail: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Fail: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
   Fail: (216) [system] char_type('D', cntrl)
^  Fail: (215) [user] is_like_space('D')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _1903970)
   Exit: (214) [system] get_char((0x55772f068e50), 'D')
   Call: (214) [system] 'D'='('
   Fail: (214) [system] 'D'='('
   Call: (214) [system] 'D'='['
   Fail: (214) [system] 'D'='['
   Call: (214) [system] 'D'='{'
   Fail: (214) [system] 'D'='{'
   Call: (214) [system] 'D'='"'
   Fail: (214) [system] 'D'='"'
   Call: (214) [system] 'D'=!
   Fail: (214) [system] 'D'=!
   Call: (214) [system] 'D'='\''
   Fail: (214) [system] 'D'='\''
   Call: (214) [system] 'D'='`'
   Fail: (214) [system] 'D'='`'
   Call: (214) [system] 'D'=end_of_file
   Fail: (214) [system] 'D'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x55772f068e50), 'D', _1886102)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1921612)
   Call: (216) [system] peek_char((0x55772f068e50), _1922546)
   Exit: (216) [system] peek_char((0x55772f068e50), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_1927266, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _1921612=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (215) [user] classify_and_convert_charseq(['D'], _1886102)
^  Call: (216) [user] classify_and_convert_charseq_(['D'], _1933702)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1934654, _1934656), once(user:catch(read_from_chars(['D'], _1933702), _1934636, fail)), '$restore_trace'(_1934654, _1934656))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1934654, _1934656))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1933702), _1934636, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1933702)
   Fail: (217) [system] atomic(_1933702)
   Call: (217) [system] atom_chars(_1933702, ['D'])
   Exit: (217) [system] atom_chars('D', ['D'])
^  Exit: (216) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (216) [system] integer('D')
   Fail: (216) [system] integer('D')
   Call: (216) [system] _1886102='D'
   Exit: (216) [system] 'D'='D'
^  Exit: (215) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (214) [user] read_symbolic(')', (0x55772f068e50), 'D', 'D')
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), 'D')
^  Call: (213) [user] read_list(')', (0x55772f068e50), _1948652)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1950510)
   Exit: (215) [system] peek_char((0x55772f068e50), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1966520)
   Exit: (214) [system] peek_char((0x55772f068e50), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x55772f068e50), _1970310)
   Exit: (214) [system] get_char((0x55772f068e50), ')')
   Call: (214) [system] _1948652=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x55772f068e50), [])
   Call: (213) [system] _1849442=['D']
   Exit: (213) [system] ['D']=['D']
^  Exit: (212) [user] read_list(')', (0x55772f068e50), ['D'])
   Call: (212) [system] _1752104=['C', 'D']
   Exit: (212) [system] ['C', 'D']=['C', 'D']
^  Exit: (211) [user] read_list(')', (0x55772f068e50), ['C', 'D'])
   Call: (211) [system] _1562758=['OrLink', 'C', 'D']
   Exit: (211) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (210) [user] read_list(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Exit: (209) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Call: (209) [user] read_list(')', (0x55772f068e50), _1984192)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1986050)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x55772f068e50), _1995644)
   Exit: (211) [system] get_char((0x55772f068e50), ' ')
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1998348)
   Exit: (212) [system] peek_char((0x55772f068e50), 'E')
   Call: (212) [system] 'E'=(;)
   Fail: (212) [system] 'E'=(;)
   Call: (212) [system] 'E'=(/)
   Fail: (212) [system] 'E'=(/)
^  Call: (212) [user] is_like_space('E')
   Call: (213) [system] char_type('E', 'white')
   Fail: (213) [system] char_type('E', 'white')
   Call: (213) [system] char_type('E', end_of_line)
   Fail: (213) [system] char_type('E', end_of_line)
   Call: (213) [system] char_type('E', space)
   Fail: (213) [system] char_type('E', space)
   Call: (213) [system] char_type('E', cntrl)
   Fail: (213) [system] char_type('E', cntrl)
^  Fail: (212) [user] is_like_space('E')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _2015282)
   Exit: (210) [system] peek_char((0x55772f068e50), 'E')
   Call: (210) [system] 'E'=')'
   Fail: (210) [system] 'E'=')'
   Call: (210) [system] 'E'=end_of_file
   Fail: (210) [system] 'E'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x55772f068e50), _2020852)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _2022710)
   Exit: (212) [system] peek_char((0x55772f068e50), 'E')
   Call: (212) [system] 'E'=(;)
   Fail: (212) [system] 'E'=(;)
   Call: (212) [system] 'E'=(/)
   Fail: (212) [system] 'E'=(/)
^  Call: (212) [user] is_like_space('E')
   Call: (213) [system] char_type('E', 'white')
   Fail: (213) [system] char_type('E', 'white')
   Call: (213) [system] char_type('E', end_of_line)
   Fail: (213) [system] char_type('E', end_of_line)
   Call: (213) [system] char_type('E', space)
   Fail: (213) [system] char_type('E', space)
   Call: (213) [system] char_type('E', cntrl)
   Fail: (213) [system] char_type('E', cntrl)
^  Fail: (212) [user] is_like_space('E')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] get_char((0x55772f068e50), _2038720)
   Exit: (211) [system] get_char((0x55772f068e50), 'E')
   Call: (211) [system] 'E'='('
   Fail: (211) [system] 'E'='('
   Call: (211) [system] 'E'='['
   Fail: (211) [system] 'E'='['
   Call: (211) [system] 'E'='{'
   Fail: (211) [system] 'E'='{'
   Call: (211) [system] 'E'='"'
   Fail: (211) [system] 'E'='"'
   Call: (211) [system] 'E'=!
   Fail: (211) [system] 'E'=!
   Call: (211) [system] 'E'='\''
   Fail: (211) [system] 'E'='\''
   Call: (211) [system] 'E'='`'
   Fail: (211) [system] 'E'='`'
   Call: (211) [system] 'E'=end_of_file
   Fail: (211) [system] 'E'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x55772f068e50), 'E', _2020852)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _2056362)
   Call: (213) [system] peek_char((0x55772f068e50), _2057296)
   Exit: (213) [system] peek_char((0x55772f068e50), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_2062016, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _2056362=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (212) [user] classify_and_convert_charseq(['E'], _2020852)
^  Call: (213) [user] classify_and_convert_charseq_(['E'], _2068452)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_2069404, _2069406), once(user:catch(read_from_chars(['E'], _2068452), _2069386, fail)), '$restore_trace'(_2069404, _2069406))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_2069404, _2069406))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _2068452), _2069386, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_2068452)
   Fail: (214) [system] atomic(_2068452)
   Call: (214) [system] atom_chars(_2068452, ['E'])
   Exit: (214) [system] atom_chars('E', ['E'])
^  Exit: (213) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (213) [system] integer('E')
   Fail: (213) [system] integer('E')
   Call: (213) [system] _2020852='E'
   Exit: (213) [system] 'E'='E'
^  Exit: (212) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (211) [user] read_symbolic(')', (0x55772f068e50), 'E', 'E')
^  Exit: (210) [user] cont_sexpr(')', (0x55772f068e50), 'E')
^  Call: (210) [user] read_list(')', (0x55772f068e50), _2083402)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _2085260)
   Exit: (212) [system] peek_char((0x55772f068e50), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _8752)
   Exit: (211) [system] peek_char((0x55772f068e50), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x55772f068e50), _12542)
   Exit: (211) [system] get_char((0x55772f068e50), ')')
   Call: (211) [system] _4296=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x55772f068e50), [])
   Call: (210) [system] _4290=['E']
   Exit: (210) [system] ['E']=['E']
^  Exit: (209) [user] read_list(')', (0x55772f068e50), ['E'])
   Call: (209) [system] _4266=[['OrLink', 'C', 'D'], 'E']
   Exit: (209) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (208) [user] read_list(')', (0x55772f068e50), [['OrLink', 'C', 'D'], 'E'])
   Call: (208) [system] _4258=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (208) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (207) [user] read_list(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (206) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (206) [user] read_list(')', (0x55772f068e50), _26424)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _28282)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x55772f068e50), _37876)
   Exit: (208) [system] get_char((0x55772f068e50), ' ')
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _40580)
   Exit: (209) [system] peek_char((0x55772f068e50), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _57514)
   Exit: (207) [system] peek_char((0x55772f068e50), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x55772f068e50), _63084)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _64942)
   Exit: (209) [system] peek_char((0x55772f068e50), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] get_char((0x55772f068e50), _80952)
   Exit: (208) [system] get_char((0x55772f068e50), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x55772f068e50), _63084)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _86522)
   Exit: (210) [system] peek_char((0x55772f068e50), 'I')
   Call: (210) [system] 'I'=(;)
   Fail: (210) [system] 'I'=(;)
   Call: (210) [system] 'I'=(/)
   Fail: (210) [system] 'I'=(/)
^  Call: (210) [user] is_like_space('I')
   Call: (211) [system] char_type('I', 'white')
   Fail: (211) [system] char_type('I', 'white')
   Call: (211) [system] char_type('I', end_of_line)
   Fail: (211) [system] char_type('I', end_of_line)
   Call: (211) [system] char_type('I', space)
   Fail: (211) [system] char_type('I', space)
   Call: (211) [system] char_type('I', cntrl)
   Fail: (211) [system] char_type('I', cntrl)
^  Fail: (210) [user] is_like_space('I')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _102532)
   Exit: (209) [system] peek_char((0x55772f068e50), 'I')
   Call: (209) [system] 'I'=')'
   Fail: (209) [system] 'I'=')'
   Call: (209) [system] 'I'=end_of_file
   Fail: (209) [system] 'I'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x55772f068e50), _108102)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _109960)
   Exit: (211) [system] peek_char((0x55772f068e50), 'I')
   Call: (211) [system] 'I'=(;)
   Fail: (211) [system] 'I'=(;)
   Call: (211) [system] 'I'=(/)
   Fail: (211) [system] 'I'=(/)
^  Call: (211) [user] is_like_space('I')
   Call: (212) [system] char_type('I', 'white')
   Fail: (212) [system] char_type('I', 'white')
   Call: (212) [system] char_type('I', end_of_line)
   Fail: (212) [system] char_type('I', end_of_line)
   Call: (212) [system] char_type('I', space)
   Fail: (212) [system] char_type('I', space)
   Call: (212) [system] char_type('I', cntrl)
   Fail: (212) [system] char_type('I', cntrl)
^  Fail: (211) [user] is_like_space('I')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] get_char((0x55772f068e50), _125970)
   Exit: (210) [system] get_char((0x55772f068e50), 'I')
   Call: (210) [system] 'I'='('
   Fail: (210) [system] 'I'='('
   Call: (210) [system] 'I'='['
   Fail: (210) [system] 'I'='['
   Call: (210) [system] 'I'='{'
   Fail: (210) [system] 'I'='{'
   Call: (210) [system] 'I'='"'
   Fail: (210) [system] 'I'='"'
   Call: (210) [system] 'I'=!
   Fail: (210) [system] 'I'=!
   Call: (210) [system] 'I'='\''
   Fail: (210) [system] 'I'='\''
   Call: (210) [system] 'I'='`'
   Fail: (210) [system] 'I'='`'
   Call: (210) [system] 'I'=end_of_file
   Fail: (210) [system] 'I'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x55772f068e50), 'I', _108102)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _143612)
   Call: (212) [system] peek_char((0x55772f068e50), _144546)
   Exit: (212) [system] peek_char((0x55772f068e50), m)
^  Call: (212) [user] is_delimiter(m)
   Call: (213) [system] char_type(m, space)
   Fail: (213) [system] char_type(m, space)
   Call: (213) [system] arg(_149266, v('(', ')', end_of_file), m)
   Fail: (213) [system] arg(_150198, v('(', ')', end_of_file), m)
^  Fail: (212) [user] is_delimiter(m)
   Call: (212) [system] ')'==m
   Fail: (212) [system] ')'==m
   Call: (212) [system] get_char((0x55772f068e50), m)
   Exit: (212) [system] get_char((0x55772f068e50), m)
   Call: (212) [system] m=(\)
   Fail: (212) [system] m=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _157548)
   Call: (213) [system] peek_char((0x55772f068e50), _158482)
   Exit: (213) [system] peek_char((0x55772f068e50), p)
^  Call: (213) [user] is_delimiter(p)
   Call: (214) [system] char_type(p, space)
   Fail: (214) [system] char_type(p, space)
   Call: (214) [system] arg(_163202, v('(', ')', end_of_file), p)
   Fail: (214) [system] arg(_164134, v('(', ')', end_of_file), p)
^  Fail: (213) [user] is_delimiter(p)
   Call: (213) [system] ')'==p
   Fail: (213) [system] ')'==p
   Call: (213) [system] get_char((0x55772f068e50), p)
   Exit: (213) [system] get_char((0x55772f068e50), p)
   Call: (213) [system] p=(\)
   Fail: (213) [system] p=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _171484)
   Call: (214) [system] peek_char((0x55772f068e50), _172418)
   Exit: (214) [system] peek_char((0x55772f068e50), l)
^  Call: (214) [user] is_delimiter(l)
   Call: (215) [system] char_type(l, space)
   Fail: (215) [system] char_type(l, space)
   Call: (215) [system] arg(_177138, v('(', ')', end_of_file), l)
   Fail: (215) [system] arg(_178070, v('(', ')', end_of_file), l)
^  Fail: (214) [user] is_delimiter(l)
   Call: (214) [system] ')'==l
   Fail: (214) [system] ')'==l
   Call: (214) [system] get_char((0x55772f068e50), l)
   Exit: (214) [system] get_char((0x55772f068e50), l)
   Call: (214) [system] l=(\)
   Fail: (214) [system] l=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _185420)
   Call: (215) [system] peek_char((0x55772f068e50), _186354)
   Exit: (215) [system] peek_char((0x55772f068e50), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_191074, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_192006, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x55772f068e50), i)
   Exit: (215) [system] get_char((0x55772f068e50), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _199356)
   Call: (216) [system] peek_char((0x55772f068e50), _200290)
   Exit: (216) [system] peek_char((0x55772f068e50), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_205010, v('(', ')', end_of_file), c)
   Fail: (217) [system] arg(_205942, v('(', ')', end_of_file), c)
^  Fail: (216) [user] is_delimiter(c)
   Call: (216) [system] ')'==c
   Fail: (216) [system] ')'==c
   Call: (216) [system] get_char((0x55772f068e50), c)
   Exit: (216) [system] get_char((0x55772f068e50), c)
   Call: (216) [system] c=(\)
   Fail: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _213292)
   Call: (217) [system] peek_char((0x55772f068e50), _214226)
   Exit: (217) [system] peek_char((0x55772f068e50), a)
^  Call: (217) [user] is_delimiter(a)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] arg(_218946, v('(', ')', end_of_file), a)
   Fail: (218) [system] arg(_219878, v('(', ')', end_of_file), a)
^  Fail: (217) [user] is_delimiter(a)
   Call: (217) [system] ')'==a
   Fail: (217) [system] ')'==a
   Call: (217) [system] get_char((0x55772f068e50), a)
   Exit: (217) [system] get_char((0x55772f068e50), a)
   Call: (217) [system] a=(\)
   Fail: (217) [system] a=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _227228)
   Call: (218) [system] peek_char((0x55772f068e50), _228162)
   Exit: (218) [system] peek_char((0x55772f068e50), t)
^  Call: (218) [user] is_delimiter(t)
   Call: (219) [system] char_type(t, space)
   Fail: (219) [system] char_type(t, space)
   Call: (219) [system] arg(_232882, v('(', ')', end_of_file), t)
   Fail: (219) [system] arg(_233814, v('(', ')', end_of_file), t)
^  Fail: (218) [user] is_delimiter(t)
   Call: (218) [system] ')'==t
   Fail: (218) [system] ')'==t
   Call: (218) [system] get_char((0x55772f068e50), t)
   Exit: (218) [system] get_char((0x55772f068e50), t)
   Call: (218) [system] t=(\)
   Fail: (218) [system] t=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _241164)
   Call: (219) [system] peek_char((0x55772f068e50), _242098)
   Exit: (219) [system] peek_char((0x55772f068e50), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_246818, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_247750, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x55772f068e50), i)
   Exit: (219) [system] get_char((0x55772f068e50), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _255100)
   Call: (220) [system] peek_char((0x55772f068e50), _256034)
   Exit: (220) [system] peek_char((0x55772f068e50), o)
^  Call: (220) [user] is_delimiter(o)
   Call: (221) [system] char_type(o, space)
   Fail: (221) [system] char_type(o, space)
   Call: (221) [system] arg(_260754, v('(', ')', end_of_file), o)
   Fail: (221) [system] arg(_261686, v('(', ')', end_of_file), o)
^  Fail: (220) [user] is_delimiter(o)
   Call: (220) [system] ')'==o
   Fail: (220) [system] ')'==o
   Call: (220) [system] get_char((0x55772f068e50), o)
   Exit: (220) [system] get_char((0x55772f068e50), o)
   Call: (220) [system] o=(\)
   Fail: (220) [system] o=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _269036)
   Call: (221) [system] peek_char((0x55772f068e50), _269970)
   Exit: (221) [system] peek_char((0x55772f068e50), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_274690, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_275622, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x55772f068e50), n)
   Exit: (221) [system] get_char((0x55772f068e50), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _282972)
   Call: (222) [system] peek_char((0x55772f068e50), _283906)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _282972=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (221) [system] _269036=[n]
   Exit: (221) [system] [n]=[n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (220) [system] _255100=[o, n]
   Exit: (220) [system] [o, n]=[o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (219) [system] _241164=[i, o, n]
   Exit: (219) [system] [i, o, n]=[i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (218) [system] _227228=[t, i, o, n]
   Exit: (218) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (217) [system] _213292=[a, t, i, o, n]
   Exit: (217) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (216) [system] _199356=[c, a, t, i, o, n]
   Exit: (216) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (215) [system] _185420=[i, c, a, t, i, o, n]
   Exit: (215) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (214) [system] _171484=[l, i, c, a, t, i, o, n]
   Exit: (214) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (213) [system] _157548=[p, l, i, c, a, t, i, o, n]
   Exit: (213) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (212) [system] _143612=[m, p, l, i, c, a, t, i, o, n]
   Exit: (212) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (211) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _108102)
^  Call: (212) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _321130)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_322082, _322084), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _321130), _322064, fail)), '$restore_trace'(_322082, _322084))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_322082, _322084))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _321130), _322064, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_321130)
   Fail: (213) [system] atomic(_321130)
   Call: (213) [system] atom_chars(_321130, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (213) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (212) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (212) [system] integer('Implication')
   Fail: (212) [system] integer('Implication')
   Call: (212) [system] _108102='Implication'
   Exit: (212) [system] 'Implication'='Implication'
^  Exit: (211) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (210) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (209) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (209) [user] read_list(')', (0x55772f068e50), _336080)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _337938)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x55772f068e50), _347532)
   Exit: (211) [system] get_char((0x55772f068e50), ' ')
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _350236)
   Exit: (212) [system] peek_char((0x55772f068e50), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _367170)
   Exit: (210) [system] peek_char((0x55772f068e50), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x55772f068e50), _372740)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _374598)
   Exit: (212) [system] peek_char((0x55772f068e50), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] get_char((0x55772f068e50), _390608)
   Exit: (211) [system] get_char((0x55772f068e50), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x55772f068e50), _372740)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _396178)
   Exit: (213) [system] peek_char((0x55772f068e50), 'O')
   Call: (213) [system] 'O'=(;)
   Fail: (213) [system] 'O'=(;)
   Call: (213) [system] 'O'=(/)
   Fail: (213) [system] 'O'=(/)
^  Call: (213) [user] is_like_space('O')
   Call: (214) [system] char_type('O', 'white')
   Fail: (214) [system] char_type('O', 'white')
   Call: (214) [system] char_type('O', end_of_line)
   Fail: (214) [system] char_type('O', end_of_line)
   Call: (214) [system] char_type('O', space)
   Fail: (214) [system] char_type('O', space)
   Call: (214) [system] char_type('O', cntrl)
   Fail: (214) [system] char_type('O', cntrl)
^  Fail: (213) [user] is_like_space('O')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _412188)
   Exit: (212) [system] peek_char((0x55772f068e50), 'O')
   Call: (212) [system] 'O'=')'
   Fail: (212) [system] 'O'=')'
   Call: (212) [system] 'O'=end_of_file
   Fail: (212) [system] 'O'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x55772f068e50), _417758)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _419616)
   Exit: (214) [system] peek_char((0x55772f068e50), 'O')
   Call: (214) [system] 'O'=(;)
   Fail: (214) [system] 'O'=(;)
   Call: (214) [system] 'O'=(/)
   Fail: (214) [system] 'O'=(/)
^  Call: (214) [user] is_like_space('O')
   Call: (215) [system] char_type('O', 'white')
   Fail: (215) [system] char_type('O', 'white')
   Call: (215) [system] char_type('O', end_of_line)
   Fail: (215) [system] char_type('O', end_of_line)
   Call: (215) [system] char_type('O', space)
   Fail: (215) [system] char_type('O', space)
   Call: (215) [system] char_type('O', cntrl)
   Fail: (215) [system] char_type('O', cntrl)
^  Fail: (214) [user] is_like_space('O')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] get_char((0x55772f068e50), _435626)
   Exit: (213) [system] get_char((0x55772f068e50), 'O')
   Call: (213) [system] 'O'='('
   Fail: (213) [system] 'O'='('
   Call: (213) [system] 'O'='['
   Fail: (213) [system] 'O'='['
   Call: (213) [system] 'O'='{'
   Fail: (213) [system] 'O'='{'
   Call: (213) [system] 'O'='"'
   Fail: (213) [system] 'O'='"'
   Call: (213) [system] 'O'=!
   Fail: (213) [system] 'O'=!
   Call: (213) [system] 'O'='\''
   Fail: (213) [system] 'O'='\''
   Call: (213) [system] 'O'='`'
   Fail: (213) [system] 'O'='`'
   Call: (213) [system] 'O'=end_of_file
   Fail: (213) [system] 'O'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x55772f068e50), 'O', _417758)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _453268)
   Call: (215) [system] peek_char((0x55772f068e50), _454202)
   Exit: (215) [system] peek_char((0x55772f068e50), r)
^  Call: (215) [user] is_delimiter(r)
   Call: (216) [system] char_type(r, space)
   Fail: (216) [system] char_type(r, space)
   Call: (216) [system] arg(_458922, v('(', ')', end_of_file), r)
   Fail: (216) [system] arg(_459854, v('(', ')', end_of_file), r)
^  Fail: (215) [user] is_delimiter(r)
   Call: (215) [system] ')'==r
   Fail: (215) [system] ')'==r
   Call: (215) [system] get_char((0x55772f068e50), r)
   Exit: (215) [system] get_char((0x55772f068e50), r)
   Call: (215) [system] r=(\)
   Fail: (215) [system] r=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _467204)
   Call: (216) [system] peek_char((0x55772f068e50), _468138)
   Exit: (216) [system] peek_char((0x55772f068e50), 'L')
^  Call: (216) [user] is_delimiter('L')
   Call: (217) [system] char_type('L', space)
   Fail: (217) [system] char_type('L', space)
   Call: (217) [system] arg(_472858, v('(', ')', end_of_file), 'L')
   Fail: (217) [system] arg(_473790, v('(', ')', end_of_file), 'L')
^  Fail: (216) [user] is_delimiter('L')
   Call: (216) [system] ')'=='L'
   Fail: (216) [system] ')'=='L'
   Call: (216) [system] get_char((0x55772f068e50), 'L')
   Exit: (216) [system] get_char((0x55772f068e50), 'L')
   Call: (216) [system] 'L'=(\)
   Fail: (216) [system] 'L'=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _481140)
   Call: (217) [system] peek_char((0x55772f068e50), _482074)
   Exit: (217) [system] peek_char((0x55772f068e50), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_486794, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_487726, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x55772f068e50), i)
   Exit: (217) [system] get_char((0x55772f068e50), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _495076)
   Call: (218) [system] peek_char((0x55772f068e50), _496010)
   Exit: (218) [system] peek_char((0x55772f068e50), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_500730, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_501662, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x55772f068e50), n)
   Exit: (218) [system] get_char((0x55772f068e50), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _509012)
   Call: (219) [system] peek_char((0x55772f068e50), _509946)
   Exit: (219) [system] peek_char((0x55772f068e50), k)
^  Call: (219) [user] is_delimiter(k)
   Call: (220) [system] char_type(k, space)
   Fail: (220) [system] char_type(k, space)
   Call: (220) [system] arg(_514666, v('(', ')', end_of_file), k)
   Fail: (220) [system] arg(_515598, v('(', ')', end_of_file), k)
^  Fail: (219) [user] is_delimiter(k)
   Call: (219) [system] ')'==k
   Fail: (219) [system] ')'==k
   Call: (219) [system] get_char((0x55772f068e50), k)
   Exit: (219) [system] get_char((0x55772f068e50), k)
   Call: (219) [system] k=(\)
   Fail: (219) [system] k=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _522948)
   Call: (220) [system] peek_char((0x55772f068e50), _523882)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _522948=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (219) [system] _509012=[k]
   Exit: (219) [system] [k]=[k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (218) [system] _495076=[n, k]
   Exit: (218) [system] [n, k]=[n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (217) [system] _481140=[i, n, k]
   Exit: (217) [system] [i, n, k]=[i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (216) [system] _467204=['L', i, n, k]
   Exit: (216) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (215) [system] _453268=[r, 'L', i, n, k]
   Exit: (215) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (214) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _417758)
^  Call: (215) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _547136)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_548088, _548090), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _547136), _548070, fail)), '$restore_trace'(_548088, _548090))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_548088, _548090))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _547136), _548070, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_547136)
   Fail: (216) [system] atomic(_547136)
   Call: (216) [system] atom_chars(_547136, ['O', r, 'L', i, n, k])
   Exit: (216) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (215) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (215) [system] integer('OrLink')
   Fail: (215) [system] integer('OrLink')
   Call: (215) [system] _417758='OrLink'
   Exit: (215) [system] 'OrLink'='OrLink'
^  Exit: (214) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (213) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (212) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (212) [user] read_list(')', (0x55772f068e50), _562086)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _563944)
   Exit: (214) [system] peek_char((0x55772f068e50), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x55772f068e50), _573538)
   Exit: (214) [system] get_char((0x55772f068e50), ' ')
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _576242)
   Exit: (215) [system] peek_char((0x55772f068e50), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
   Call: (215) [system] 'C'=(/)
   Fail: (215) [system] 'C'=(/)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _593176)
   Exit: (213) [system] peek_char((0x55772f068e50), 'C')
   Call: (213) [system] 'C'=')'
   Fail: (213) [system] 'C'=')'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _598746)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _600604)
   Exit: (215) [system] peek_char((0x55772f068e50), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
   Call: (215) [system] 'C'=(/)
   Fail: (215) [system] 'C'=(/)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _616614)
   Exit: (214) [system] get_char((0x55772f068e50), 'C')
   Call: (214) [system] 'C'='('
   Fail: (214) [system] 'C'='('
   Call: (214) [system] 'C'='['
   Fail: (214) [system] 'C'='['
   Call: (214) [system] 'C'='{'
   Fail: (214) [system] 'C'='{'
   Call: (214) [system] 'C'='"'
   Fail: (214) [system] 'C'='"'
   Call: (214) [system] 'C'=!
   Fail: (214) [system] 'C'=!
   Call: (214) [system] 'C'='\''
   Fail: (214) [system] 'C'='\''
   Call: (214) [system] 'C'='`'
   Fail: (214) [system] 'C'='`'
   Call: (214) [system] 'C'=end_of_file
   Fail: (214) [system] 'C'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x55772f068e50), 'C', _598746)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _634256)
   Call: (216) [system] peek_char((0x55772f068e50), _635190)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _634256=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (215) [user] classify_and_convert_charseq(['C'], _598746)
^  Call: (216) [user] classify_and_convert_charseq_(['C'], _644474)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_645426, _645428), once(user:catch(read_from_chars(['C'], _644474), _645408, fail)), '$restore_trace'(_645426, _645428))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_645426, _645428))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _644474), _645408, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_644474)
   Fail: (217) [system] atomic(_644474)
   Call: (217) [system] atom_chars(_644474, ['C'])
   Exit: (217) [system] atom_chars('C', ['C'])
^  Exit: (216) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (216) [system] integer('C')
   Fail: (216) [system] integer('C')
   Call: (216) [system] _598746='C'
   Exit: (216) [system] 'C'='C'
^  Exit: (215) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (214) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (213) [user] read_list(')', (0x55772f068e50), _659424)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _661282)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x55772f068e50), _670876)
   Exit: (215) [system] get_char((0x55772f068e50), ' ')
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _673580)
   Exit: (216) [system] peek_char((0x55772f068e50), 'D')
   Call: (216) [system] 'D'=(;)
   Fail: (216) [system] 'D'=(;)
   Call: (216) [system] 'D'=(/)
   Fail: (216) [system] 'D'=(/)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Fail: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Fail: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Fail: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
   Fail: (217) [system] char_type('D', cntrl)
^  Fail: (216) [user] is_like_space('D')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _690514)
   Exit: (214) [system] peek_char((0x55772f068e50), 'D')
   Call: (214) [system] 'D'=')'
   Fail: (214) [system] 'D'=')'
   Call: (214) [system] 'D'=end_of_file
   Fail: (214) [system] 'D'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _696084)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _697942)
   Exit: (216) [system] peek_char((0x55772f068e50), 'D')
   Call: (216) [system] 'D'=(;)
   Fail: (216) [system] 'D'=(;)
   Call: (216) [system] 'D'=(/)
   Fail: (216) [system] 'D'=(/)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Fail: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Fail: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Fail: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
   Fail: (217) [system] char_type('D', cntrl)
^  Fail: (216) [user] is_like_space('D')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _713952)
   Exit: (215) [system] get_char((0x55772f068e50), 'D')
   Call: (215) [system] 'D'='('
   Fail: (215) [system] 'D'='('
   Call: (215) [system] 'D'='['
   Fail: (215) [system] 'D'='['
   Call: (215) [system] 'D'='{'
   Fail: (215) [system] 'D'='{'
   Call: (215) [system] 'D'='"'
   Fail: (215) [system] 'D'='"'
   Call: (215) [system] 'D'=!
   Fail: (215) [system] 'D'=!
   Call: (215) [system] 'D'='\''
   Fail: (215) [system] 'D'='\''
   Call: (215) [system] 'D'='`'
   Fail: (215) [system] 'D'='`'
   Call: (215) [system] 'D'=end_of_file
   Fail: (215) [system] 'D'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x55772f068e50), 'D', _696084)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _731594)
   Call: (217) [system] peek_char((0x55772f068e50), _732528)
   Exit: (217) [system] peek_char((0x55772f068e50), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_737248, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _731594=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (216) [user] classify_and_convert_charseq(['D'], _696084)
^  Call: (217) [user] classify_and_convert_charseq_(['D'], _743684)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_744636, _744638), once(user:catch(read_from_chars(['D'], _743684), _744618, fail)), '$restore_trace'(_744636, _744638))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_744636, _744638))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _743684), _744618, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_743684)
   Fail: (218) [system] atomic(_743684)
   Call: (218) [system] atom_chars(_743684, ['D'])
   Exit: (218) [system] atom_chars('D', ['D'])
^  Exit: (217) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (217) [system] integer('D')
   Fail: (217) [system] integer('D')
   Call: (217) [system] _696084='D'
   Exit: (217) [system] 'D'='D'
^  Exit: (216) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (215) [user] read_symbolic(')', (0x55772f068e50), 'D', 'D')
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), 'D')
^  Call: (214) [user] read_list(')', (0x55772f068e50), _758634)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _760492)
   Exit: (216) [system] peek_char((0x55772f068e50), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _776502)
   Exit: (215) [system] peek_char((0x55772f068e50), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x55772f068e50), _780292)
   Exit: (215) [system] get_char((0x55772f068e50), ')')
   Call: (215) [system] _758634=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x55772f068e50), [])
   Call: (214) [system] _659424=['D']
   Exit: (214) [system] ['D']=['D']
^  Exit: (213) [user] read_list(')', (0x55772f068e50), ['D'])
   Call: (213) [system] _562086=['C', 'D']
   Exit: (213) [system] ['C', 'D']=['C', 'D']
^  Exit: (212) [user] read_list(')', (0x55772f068e50), ['C', 'D'])
   Call: (212) [system] _372740=['OrLink', 'C', 'D']
   Exit: (212) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (211) [user] read_list(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Exit: (210) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Call: (210) [user] read_list(')', (0x55772f068e50), _794174)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _796032)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x55772f068e50), _805626)
   Exit: (212) [system] get_char((0x55772f068e50), ' ')
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _808330)
   Exit: (213) [system] peek_char((0x55772f068e50), 'E')
   Call: (213) [system] 'E'=(;)
   Fail: (213) [system] 'E'=(;)
   Call: (213) [system] 'E'=(/)
   Fail: (213) [system] 'E'=(/)
^  Call: (213) [user] is_like_space('E')
   Call: (214) [system] char_type('E', 'white')
   Fail: (214) [system] char_type('E', 'white')
   Call: (214) [system] char_type('E', end_of_line)
   Fail: (214) [system] char_type('E', end_of_line)
   Call: (214) [system] char_type('E', space)
   Fail: (214) [system] char_type('E', space)
   Call: (214) [system] char_type('E', cntrl)
   Fail: (214) [system] char_type('E', cntrl)
^  Fail: (213) [user] is_like_space('E')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _825264)
   Exit: (211) [system] peek_char((0x55772f068e50), 'E')
   Call: (211) [system] 'E'=')'
   Fail: (211) [system] 'E'=')'
   Call: (211) [system] 'E'=end_of_file
   Fail: (211) [system] 'E'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x55772f068e50), _830834)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _832692)
   Exit: (213) [system] peek_char((0x55772f068e50), 'E')
   Call: (213) [system] 'E'=(;)
   Fail: (213) [system] 'E'=(;)
   Call: (213) [system] 'E'=(/)
   Fail: (213) [system] 'E'=(/)
^  Call: (213) [user] is_like_space('E')
   Call: (214) [system] char_type('E', 'white')
   Fail: (214) [system] char_type('E', 'white')
   Call: (214) [system] char_type('E', end_of_line)
   Fail: (214) [system] char_type('E', end_of_line)
   Call: (214) [system] char_type('E', space)
   Fail: (214) [system] char_type('E', space)
   Call: (214) [system] char_type('E', cntrl)
   Fail: (214) [system] char_type('E', cntrl)
^  Fail: (213) [user] is_like_space('E')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] get_char((0x55772f068e50), _848702)
   Exit: (212) [system] get_char((0x55772f068e50), 'E')
   Call: (212) [system] 'E'='('
   Fail: (212) [system] 'E'='('
   Call: (212) [system] 'E'='['
   Fail: (212) [system] 'E'='['
   Call: (212) [system] 'E'='{'
   Fail: (212) [system] 'E'='{'
   Call: (212) [system] 'E'='"'
   Fail: (212) [system] 'E'='"'
   Call: (212) [system] 'E'=!
   Fail: (212) [system] 'E'=!
   Call: (212) [system] 'E'='\''
   Fail: (212) [system] 'E'='\''
   Call: (212) [system] 'E'='`'
   Fail: (212) [system] 'E'='`'
   Call: (212) [system] 'E'=end_of_file
   Fail: (212) [system] 'E'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x55772f068e50), 'E', _830834)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _866344)
   Call: (214) [system] peek_char((0x55772f068e50), _867278)
   Exit: (214) [system] peek_char((0x55772f068e50), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_871998, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _866344=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (213) [user] classify_and_convert_charseq(['E'], _830834)
^  Call: (214) [user] classify_and_convert_charseq_(['E'], _878434)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_879386, _879388), once(user:catch(read_from_chars(['E'], _878434), _879368, fail)), '$restore_trace'(_879386, _879388))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_879386, _879388))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _878434), _879368, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_878434)
   Fail: (215) [system] atomic(_878434)
   Call: (215) [system] atom_chars(_878434, ['E'])
   Exit: (215) [system] atom_chars('E', ['E'])
^  Exit: (214) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (214) [system] integer('E')
   Fail: (214) [system] integer('E')
   Call: (214) [system] _830834='E'
   Exit: (214) [system] 'E'='E'
^  Exit: (213) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (212) [user] read_symbolic(')', (0x55772f068e50), 'E', 'E')
^  Exit: (211) [user] cont_sexpr(')', (0x55772f068e50), 'E')
^  Call: (211) [user] read_list(')', (0x55772f068e50), _893384)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _895242)
   Exit: (213) [system] peek_char((0x55772f068e50), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
   Call: (213) [system] ')'=(/)
   Fail: (213) [system] ')'=(/)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _911252)
   Exit: (212) [system] peek_char((0x55772f068e50), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x55772f068e50), _915042)
   Exit: (212) [system] get_char((0x55772f068e50), ')')
   Call: (212) [system] _893384=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x55772f068e50), [])
   Call: (211) [system] _794174=['E']
   Exit: (211) [system] ['E']=['E']
^  Exit: (210) [user] read_list(')', (0x55772f068e50), ['E'])
   Call: (210) [system] _336080=[['OrLink', 'C', 'D'], 'E']
   Exit: (210) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (209) [user] read_list(')', (0x55772f068e50), [['OrLink', 'C', 'D'], 'E'])
   Call: (209) [system] _63084=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (209) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (208) [user] read_list(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (207) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (207) [user] read_list(')', (0x55772f068e50), _928924)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _930782)
   Exit: (209) [system] peek_char((0x55772f068e50), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
   Call: (209) [system] ')'=(/)
   Fail: (209) [system] ')'=(/)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _946792)
   Exit: (208) [system] peek_char((0x55772f068e50), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x55772f068e50), _950582)
   Exit: (208) [system] get_char((0x55772f068e50), ')')
   Call: (208) [system] _928924=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x55772f068e50), [])
   Call: (207) [system] _26424=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (207) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (206) [user] read_list(')', (0x55772f068e50), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (206) [system] _4254=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (206) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (205) [user] read_list(')', (0x55772f068e50), [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (205) [system] _4246=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (205) [system] ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (204) [user] read_list(')', (0x55772f068e50), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (203) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (203) [user] read_list(')', (0x55772f068e50), _964464)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _966322)
   Exit: (205) [system] peek_char((0x55772f068e50), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _982332)
   Exit: (204) [system] peek_char((0x55772f068e50), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x55772f068e50), _986122)
   Exit: (204) [system] get_char((0x55772f068e50), ')')
   Call: (204) [system] _964464=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x55772f068e50), [])
   Call: (203) [system] _4242=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (203) [system] [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (202) [user] read_list(')', (0x55772f068e50), [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (202) [system] _4218=[['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (202) [system] [['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (201) [system] _4210=[:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (201) [system] [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (199) [user] read_list(')', (0x55772f068e50), _1000004)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1001862)
   Exit: (201) [system] peek_char((0x55772f068e50), '\n')
   Call: (201) [system] '\n'=(;)
   Fail: (201) [system] '\n'=(;)
   Call: (201) [system] '\n'=(/)
   Fail: (201) [system] '\n'=(/)
^  Call: (201) [user] is_like_space('\n')
   Call: (202) [system] char_type('\n', 'white')
   Fail: (202) [system] char_type('\n', 'white')
   Call: (202) [system] char_type('\n', end_of_line)
   Exit: (202) [system] char_type('\n', end_of_line)
^  Exit: (201) [user] is_like_space('\n')
   Call: (201) [system] get_char((0x55772f068e50), _1013312)
   Exit: (201) [system] get_char((0x55772f068e50), '\n')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1016016)
   Exit: (202) [system] peek_char((0x55772f068e50), '\t')
   Call: (202) [system] '\t'=(;)
   Fail: (202) [system] '\t'=(;)
   Call: (202) [system] '\t'=(/)
   Fail: (202) [system] '\t'=(/)
^  Call: (202) [user] is_like_space('\t')
   Call: (203) [system] char_type('\t', 'white')
   Exit: (203) [system] char_type('\t', 'white')
^  Exit: (202) [user] is_like_space('\t')
   Call: (202) [system] get_char((0x55772f068e50), _1025610)
   Exit: (202) [system] get_char((0x55772f068e50), '\t')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1028314)
   Exit: (203) [system] peek_char((0x55772f068e50), '\t')
   Call: (203) [system] '\t'=(;)
   Fail: (203) [system] '\t'=(;)
   Call: (203) [system] '\t'=(/)
   Fail: (203) [system] '\t'=(/)
^  Call: (203) [user] is_like_space('\t')
   Call: (204) [system] char_type('\t', 'white')
   Exit: (204) [system] char_type('\t', 'white')
^  Exit: (203) [user] is_like_space('\t')
   Call: (203) [system] get_char((0x55772f068e50), _1037908)
   Exit: (203) [system] get_char((0x55772f068e50), '\t')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1040612)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x55772f068e50), _1050206)
   Exit: (204) [system] get_char((0x55772f068e50), ' ')
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1052910)
   Exit: (205) [system] peek_char((0x55772f068e50), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1072616)
   Exit: (200) [system] peek_char((0x55772f068e50), '(')
   Call: (200) [system] '('=')'
   Fail: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
   Fail: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _1078186)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1080044)
   Exit: (202) [system] peek_char((0x55772f068e50), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _1096054)
   Exit: (201) [system] get_char((0x55772f068e50), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x55772f068e50), _1078186)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1101624)
   Exit: (203) [system] peek_char((0x55772f068e50), :)
   Call: (203) [system] (:)=(;)
   Fail: (203) [system] (:)=(;)
   Call: (203) [system] (:)=(/)
   Fail: (203) [system] (:)=(/)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Fail: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Fail: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Fail: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
   Fail: (204) [system] char_type(:, cntrl)
^  Fail: (203) [user] is_like_space(:)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1117634)
   Exit: (202) [system] peek_char((0x55772f068e50), :)
   Call: (202) [system] (:)=')'
   Fail: (202) [system] (:)=')'
   Call: (202) [system] (:)=end_of_file
   Fail: (202) [system] (:)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x55772f068e50), _1123204)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1125062)
   Exit: (204) [system] peek_char((0x55772f068e50), :)
   Call: (204) [system] (:)=(;)
   Fail: (204) [system] (:)=(;)
   Call: (204) [system] (:)=(/)
   Fail: (204) [system] (:)=(/)
^  Call: (204) [user] is_like_space(:)
   Call: (205) [system] char_type(:, 'white')
   Fail: (205) [system] char_type(:, 'white')
   Call: (205) [system] char_type(:, end_of_line)
   Fail: (205) [system] char_type(:, end_of_line)
   Call: (205) [system] char_type(:, space)
   Fail: (205) [system] char_type(:, space)
   Call: (205) [system] char_type(:, cntrl)
   Fail: (205) [system] char_type(:, cntrl)
^  Fail: (204) [user] is_like_space(:)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] get_char((0x55772f068e50), _1141072)
   Exit: (203) [system] get_char((0x55772f068e50), :)
   Call: (203) [system] (:)='('
   Fail: (203) [system] (:)='('
   Call: (203) [system] (:)='['
   Fail: (203) [system] (:)='['
   Call: (203) [system] (:)='{'
   Fail: (203) [system] (:)='{'
   Call: (203) [system] (:)='"'
   Fail: (203) [system] (:)='"'
   Call: (203) [system] (:)=!
   Fail: (203) [system] (:)=!
   Call: (203) [system] (:)='\''
   Fail: (203) [system] (:)='\''
   Call: (203) [system] (:)='`'
   Fail: (203) [system] (:)='`'
   Call: (203) [system] (:)=end_of_file
   Fail: (203) [system] (:)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x55772f068e50), :, _1123204)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1158714)
   Call: (205) [system] peek_char((0x55772f068e50), _1159648)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1158714=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (204) [user] classify_and_convert_charseq([:], _1123204)
^  Call: (205) [user] classify_and_convert_charseq_([:], _1168932)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1169884, _1169886), once(user:catch(read_from_chars([:], _1168932), _1169866, fail)), '$restore_trace'(_1169884, _1169886))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1169884, _1169886))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1169866, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(:)
   Exit: (206) [system] atomic(:)
^  Exit: (205) [user] classify_and_convert_charseq_([:], :)
   Call: (205) [system] integer(:)
   Fail: (205) [system] integer(:)
   Call: (205) [system] _1123204=(:)
   Exit: (205) [system] (:)=(:)
^  Exit: (204) [user] classify_and_convert_charseq([:], :)
^  Exit: (203) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (202) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (202) [user] read_list(')', (0x55772f068e50), _1182012)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1183870)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x55772f068e50), _1193464)
   Exit: (204) [system] get_char((0x55772f068e50), ' ')
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1196168)
   Exit: (205) [system] peek_char((0x55772f068e50), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1213102)
   Exit: (203) [system] peek_char((0x55772f068e50), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x55772f068e50), _1218672)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1220530)
   Exit: (205) [system] peek_char((0x55772f068e50), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] get_char((0x55772f068e50), _1236540)
   Exit: (204) [system] get_char((0x55772f068e50), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x55772f068e50), _1218672)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1242110)
   Exit: (206) [system] peek_char((0x55772f068e50), 'C')
   Call: (206) [system] 'C'=(;)
   Fail: (206) [system] 'C'=(;)
   Call: (206) [system] 'C'=(/)
   Fail: (206) [system] 'C'=(/)
^  Call: (206) [user] is_like_space('C')
   Call: (207) [system] char_type('C', 'white')
   Fail: (207) [system] char_type('C', 'white')
   Call: (207) [system] char_type('C', end_of_line)
   Fail: (207) [system] char_type('C', end_of_line)
   Call: (207) [system] char_type('C', space)
   Fail: (207) [system] char_type('C', space)
   Call: (207) [system] char_type('C', cntrl)
   Fail: (207) [system] char_type('C', cntrl)
^  Fail: (206) [user] is_like_space('C')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1258120)
   Exit: (205) [system] peek_char((0x55772f068e50), 'C')
   Call: (205) [system] 'C'=')'
   Fail: (205) [system] 'C'=')'
   Call: (205) [system] 'C'=end_of_file
   Fail: (205) [system] 'C'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x55772f068e50), _1263690)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1265548)
   Exit: (207) [system] peek_char((0x55772f068e50), 'C')
   Call: (207) [system] 'C'=(;)
   Fail: (207) [system] 'C'=(;)
   Call: (207) [system] 'C'=(/)
   Fail: (207) [system] 'C'=(/)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Fail: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Fail: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Fail: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
   Fail: (208) [system] char_type('C', cntrl)
^  Fail: (207) [user] is_like_space('C')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] get_char((0x55772f068e50), _1281558)
   Exit: (206) [system] get_char((0x55772f068e50), 'C')
   Call: (206) [system] 'C'='('
   Fail: (206) [system] 'C'='('
   Call: (206) [system] 'C'='['
   Fail: (206) [system] 'C'='['
   Call: (206) [system] 'C'='{'
   Fail: (206) [system] 'C'='{'
   Call: (206) [system] 'C'='"'
   Fail: (206) [system] 'C'='"'
   Call: (206) [system] 'C'=!
   Fail: (206) [system] 'C'=!
   Call: (206) [system] 'C'='\''
   Fail: (206) [system] 'C'='\''
   Call: (206) [system] 'C'='`'
   Fail: (206) [system] 'C'='`'
   Call: (206) [system] 'C'=end_of_file
   Fail: (206) [system] 'C'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x55772f068e50), 'C', _1263690)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1299200)
   Call: (208) [system] peek_char((0x55772f068e50), _1300134)
   Exit: (208) [system] peek_char((0x55772f068e50), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Fail: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_1304854, v('(', ')', end_of_file), o)
   Fail: (209) [system] arg(_1305786, v('(', ')', end_of_file), o)
^  Fail: (208) [user] is_delimiter(o)
   Call: (208) [system] ')'==o
   Fail: (208) [system] ')'==o
   Call: (208) [system] get_char((0x55772f068e50), o)
   Exit: (208) [system] get_char((0x55772f068e50), o)
   Call: (208) [system] o=(\)
   Fail: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1313136)
   Call: (209) [system] peek_char((0x55772f068e50), _1314070)
   Exit: (209) [system] peek_char((0x55772f068e50), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_1318790, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_1319722, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x55772f068e50), n)
   Exit: (209) [system] get_char((0x55772f068e50), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1327072)
   Call: (210) [system] peek_char((0x55772f068e50), _1328006)
   Exit: (210) [system] peek_char((0x55772f068e50), j)
^  Call: (210) [user] is_delimiter(j)
   Call: (211) [system] char_type(j, space)
   Fail: (211) [system] char_type(j, space)
   Call: (211) [system] arg(_1332726, v('(', ')', end_of_file), j)
   Fail: (211) [system] arg(_1333658, v('(', ')', end_of_file), j)
^  Fail: (210) [user] is_delimiter(j)
   Call: (210) [system] ')'==j
   Fail: (210) [system] ')'==j
   Call: (210) [system] get_char((0x55772f068e50), j)
   Exit: (210) [system] get_char((0x55772f068e50), j)
   Call: (210) [system] j=(\)
   Fail: (210) [system] j=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1341008)
   Call: (211) [system] peek_char((0x55772f068e50), _1341942)
   Exit: (211) [system] peek_char((0x55772f068e50), u)
^  Call: (211) [user] is_delimiter(u)
   Call: (212) [system] char_type(u, space)
   Fail: (212) [system] char_type(u, space)
   Call: (212) [system] arg(_1346662, v('(', ')', end_of_file), u)
   Fail: (212) [system] arg(_1347594, v('(', ')', end_of_file), u)
^  Fail: (211) [user] is_delimiter(u)
   Call: (211) [system] ')'==u
   Fail: (211) [system] ')'==u
   Call: (211) [system] get_char((0x55772f068e50), u)
   Exit: (211) [system] get_char((0x55772f068e50), u)
   Call: (211) [system] u=(\)
   Fail: (211) [system] u=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1354944)
   Call: (212) [system] peek_char((0x55772f068e50), _1355878)
   Exit: (212) [system] peek_char((0x55772f068e50), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_1360598, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_1361530, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x55772f068e50), n)
   Exit: (212) [system] get_char((0x55772f068e50), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1368880)
   Call: (213) [system] peek_char((0x55772f068e50), _1369814)
   Exit: (213) [system] peek_char((0x55772f068e50), c)
^  Call: (213) [user] is_delimiter(c)
   Call: (214) [system] char_type(c, space)
   Fail: (214) [system] char_type(c, space)
   Call: (214) [system] arg(_1374534, v('(', ')', end_of_file), c)
   Fail: (214) [system] arg(_1375466, v('(', ')', end_of_file), c)
^  Fail: (213) [user] is_delimiter(c)
   Call: (213) [system] ')'==c
   Fail: (213) [system] ')'==c
   Call: (213) [system] get_char((0x55772f068e50), c)
   Exit: (213) [system] get_char((0x55772f068e50), c)
   Call: (213) [system] c=(\)
   Fail: (213) [system] c=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1382816)
   Call: (214) [system] peek_char((0x55772f068e50), _1383750)
   Exit: (214) [system] peek_char((0x55772f068e50), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Fail: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_1388470, v('(', ')', end_of_file), t)
   Fail: (215) [system] arg(_1389402, v('(', ')', end_of_file), t)
^  Fail: (214) [user] is_delimiter(t)
   Call: (214) [system] ')'==t
   Fail: (214) [system] ')'==t
   Call: (214) [system] get_char((0x55772f068e50), t)
   Exit: (214) [system] get_char((0x55772f068e50), t)
   Call: (214) [system] t=(\)
   Fail: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1396752)
   Call: (215) [system] peek_char((0x55772f068e50), _1397686)
   Exit: (215) [system] peek_char((0x55772f068e50), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_1402406, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_1403338, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x55772f068e50), i)
   Exit: (215) [system] get_char((0x55772f068e50), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1410688)
   Call: (216) [system] peek_char((0x55772f068e50), _1411622)
   Exit: (216) [system] peek_char((0x55772f068e50), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Fail: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_1416342, v('(', ')', end_of_file), o)
   Fail: (217) [system] arg(_1417274, v('(', ')', end_of_file), o)
^  Fail: (216) [user] is_delimiter(o)
   Call: (216) [system] ')'==o
   Fail: (216) [system] ')'==o
   Call: (216) [system] get_char((0x55772f068e50), o)
   Exit: (216) [system] get_char((0x55772f068e50), o)
   Call: (216) [system] o=(\)
   Fail: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1424624)
   Call: (217) [system] peek_char((0x55772f068e50), _1425558)
   Exit: (217) [system] peek_char((0x55772f068e50), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1430278, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1431210, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x55772f068e50), n)
   Exit: (217) [system] get_char((0x55772f068e50), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1438560)
   Call: (218) [system] peek_char((0x55772f068e50), _1439494)
   Exit: (218) [system] peek_char((0x55772f068e50), 'I')
^  Call: (218) [user] is_delimiter('I')
   Call: (219) [system] char_type('I', space)
   Fail: (219) [system] char_type('I', space)
   Call: (219) [system] arg(_1444214, v('(', ')', end_of_file), 'I')
   Fail: (219) [system] arg(_1445146, v('(', ')', end_of_file), 'I')
^  Fail: (218) [user] is_delimiter('I')
   Call: (218) [system] ')'=='I'
   Fail: (218) [system] ')'=='I'
   Call: (218) [system] get_char((0x55772f068e50), 'I')
   Exit: (218) [system] get_char((0x55772f068e50), 'I')
   Call: (218) [system] 'I'=(\)
   Fail: (218) [system] 'I'=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1452496)
   Call: (219) [system] peek_char((0x55772f068e50), _1453430)
   Exit: (219) [system] peek_char((0x55772f068e50), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1458150, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1459082, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x55772f068e50), n)
   Exit: (219) [system] get_char((0x55772f068e50), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1466432)
   Call: (220) [system] peek_char((0x55772f068e50), _1467366)
   Exit: (220) [system] peek_char((0x55772f068e50), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_1472086, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_1473018, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x55772f068e50), t)
   Exit: (220) [system] get_char((0x55772f068e50), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1480368)
   Call: (221) [system] peek_char((0x55772f068e50), _1481302)
   Exit: (221) [system] peek_char((0x55772f068e50), r)
^  Call: (221) [user] is_delimiter(r)
   Call: (222) [system] char_type(r, space)
   Fail: (222) [system] char_type(r, space)
   Call: (222) [system] arg(_1486022, v('(', ')', end_of_file), r)
   Fail: (222) [system] arg(_1486954, v('(', ')', end_of_file), r)
^  Fail: (221) [user] is_delimiter(r)
   Call: (221) [system] ')'==r
   Fail: (221) [system] ')'==r
   Call: (221) [system] get_char((0x55772f068e50), r)
   Exit: (221) [system] get_char((0x55772f068e50), r)
   Call: (221) [system] r=(\)
   Fail: (221) [system] r=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1494304)
   Call: (222) [system] peek_char((0x55772f068e50), _1495238)
   Exit: (222) [system] peek_char((0x55772f068e50), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_1499958, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_1500890, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x55772f068e50), o)
   Exit: (222) [system] get_char((0x55772f068e50), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1508240)
   Call: (223) [system] peek_char((0x55772f068e50), _1509174)
   Exit: (223) [system] peek_char((0x55772f068e50), d)
^  Call: (223) [user] is_delimiter(d)
   Call: (224) [system] char_type(d, space)
   Fail: (224) [system] char_type(d, space)
   Call: (224) [system] arg(_1513894, v('(', ')', end_of_file), d)
   Fail: (224) [system] arg(_1514826, v('(', ')', end_of_file), d)
^  Fail: (223) [user] is_delimiter(d)
   Call: (223) [system] ')'==d
   Fail: (223) [system] ')'==d
   Call: (223) [system] get_char((0x55772f068e50), d)
   Exit: (223) [system] get_char((0x55772f068e50), d)
   Call: (223) [system] d=(\)
   Fail: (223) [system] d=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1522176)
   Call: (224) [system] peek_char((0x55772f068e50), _1523110)
   Exit: (224) [system] peek_char((0x55772f068e50), u)
^  Call: (224) [user] is_delimiter(u)
   Call: (225) [system] char_type(u, space)
   Fail: (225) [system] char_type(u, space)
   Call: (225) [system] arg(_1527830, v('(', ')', end_of_file), u)
   Fail: (225) [system] arg(_1528762, v('(', ')', end_of_file), u)
^  Fail: (224) [user] is_delimiter(u)
   Call: (224) [system] ')'==u
   Fail: (224) [system] ')'==u
   Call: (224) [system] get_char((0x55772f068e50), u)
   Exit: (224) [system] get_char((0x55772f068e50), u)
   Call: (224) [system] u=(\)
   Fail: (224) [system] u=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1536112)
   Call: (225) [system] peek_char((0x55772f068e50), _1537046)
   Exit: (225) [system] peek_char((0x55772f068e50), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Fail: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_1541766, v('(', ')', end_of_file), c)
   Fail: (226) [system] arg(_1542698, v('(', ')', end_of_file), c)
^  Fail: (225) [user] is_delimiter(c)
   Call: (225) [system] ')'==c
   Fail: (225) [system] ')'==c
   Call: (225) [system] get_char((0x55772f068e50), c)
   Exit: (225) [system] get_char((0x55772f068e50), c)
   Call: (225) [system] c=(\)
   Fail: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1550048)
   Call: (226) [system] peek_char((0x55772f068e50), _1550982)
   Exit: (226) [system] peek_char((0x55772f068e50), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_1555702, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_1556634, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x55772f068e50), t)
   Exit: (226) [system] get_char((0x55772f068e50), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1563984)
   Call: (227) [system] peek_char((0x55772f068e50), _1564918)
   Exit: (227) [system] peek_char((0x55772f068e50), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1569638, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_1570570, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x55772f068e50), i)
   Exit: (227) [system] get_char((0x55772f068e50), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1577920)
   Call: (228) [system] peek_char((0x55772f068e50), _1578854)
   Exit: (228) [system] peek_char((0x55772f068e50), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_1583574, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_1584506, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x55772f068e50), o)
   Exit: (228) [system] get_char((0x55772f068e50), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1591856)
   Call: (229) [system] peek_char((0x55772f068e50), _1592790)
   Exit: (229) [system] peek_char((0x55772f068e50), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1597510, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1598442, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x55772f068e50), n)
   Exit: (229) [system] get_char((0x55772f068e50), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1605792)
   Call: (230) [system] peek_char((0x55772f068e50), _1606726)
   Exit: (230) [system] peek_char((0x55772f068e50), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1605792=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (229) [system] _1591856=[n]
   Exit: (229) [system] [n]=[n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (228) [system] _1577920=[o, n]
   Exit: (228) [system] [o, n]=[o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (227) [system] _1563984=[i, o, n]
   Exit: (227) [system] [i, o, n]=[i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (226) [system] _1550048=[t, i, o, n]
   Exit: (226) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (225) [system] _1536112=[c, t, i, o, n]
   Exit: (225) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (224) [system] _1522176=[u, c, t, i, o, n]
   Exit: (224) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (223) [system] _1508240=[d, u, c, t, i, o, n]
   Exit: (223) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (222) [system] _1494304=[o, d, u, c, t, i, o, n]
   Exit: (222) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (221) [system] _1480368=[r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1466432=[t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1452496=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1438560=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1424624=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1410688=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1396752=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1382816=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1368880=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1354944=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1341008=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1327072=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1313136=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _1299200=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (207) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1263690)
^  Call: (208) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1677478)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1678430, _1678432), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1677478), _1678412, fail)), '$restore_trace'(_1678430, _1678432))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1678430, _1678432))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1677478), _1678412, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_1677478)
   Fail: (209) [system] atomic(_1677478)
   Call: (209) [system] atom_chars(_1677478, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (209) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (208) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (208) [system] integer('ConjunctionIntroduction')
   Fail: (208) [system] integer('ConjunctionIntroduction')
   Call: (208) [system] _1263690='ConjunctionIntroduction'
   Exit: (208) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (207) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (206) [user] read_symbolic(')', (0x55772f068e50), 'C', 'ConjunctionIntroduction')
^  Exit: (205) [user] cont_sexpr(')', (0x55772f068e50), 'ConjunctionIntroduction')
^  Call: (205) [user] read_list(')', (0x55772f068e50), _1692428)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1694286)
   Exit: (207) [system] peek_char((0x55772f068e50), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x55772f068e50), _1703880)
   Exit: (207) [system] get_char((0x55772f068e50), ' ')
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1706584)
   Exit: (208) [system] peek_char((0x55772f068e50), c)
   Call: (208) [system] c=(;)
   Fail: (208) [system] c=(;)
   Call: (208) [system] c=(/)
   Fail: (208) [system] c=(/)
^  Call: (208) [user] is_like_space(c)
   Call: (209) [system] char_type(c, 'white')
   Fail: (209) [system] char_type(c, 'white')
   Call: (209) [system] char_type(c, end_of_line)
   Fail: (209) [system] char_type(c, end_of_line)
   Call: (209) [system] char_type(c, space)
   Fail: (209) [system] char_type(c, space)
   Call: (209) [system] char_type(c, cntrl)
   Fail: (209) [system] char_type(c, cntrl)
^  Fail: (208) [user] is_like_space(c)
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1723518)
   Exit: (206) [system] peek_char((0x55772f068e50), c)
   Call: (206) [system] c=')'
   Fail: (206) [system] c=')'
   Call: (206) [system] c=end_of_file
   Fail: (206) [system] c=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x55772f068e50), _1729088)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1730946)
   Exit: (208) [system] peek_char((0x55772f068e50), c)
   Call: (208) [system] c=(;)
   Fail: (208) [system] c=(;)
   Call: (208) [system] c=(/)
   Fail: (208) [system] c=(/)
^  Call: (208) [user] is_like_space(c)
   Call: (209) [system] char_type(c, 'white')
   Fail: (209) [system] char_type(c, 'white')
   Call: (209) [system] char_type(c, end_of_line)
   Fail: (209) [system] char_type(c, end_of_line)
   Call: (209) [system] char_type(c, space)
   Fail: (209) [system] char_type(c, space)
   Call: (209) [system] char_type(c, cntrl)
   Fail: (209) [system] char_type(c, cntrl)
^  Fail: (208) [user] is_like_space(c)
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] get_char((0x55772f068e50), _1746956)
   Exit: (207) [system] get_char((0x55772f068e50), c)
   Call: (207) [system] c='('
   Fail: (207) [system] c='('
   Call: (207) [system] c='['
   Fail: (207) [system] c='['
   Call: (207) [system] c='{'
   Fail: (207) [system] c='{'
   Call: (207) [system] c='"'
   Fail: (207) [system] c='"'
   Call: (207) [system] c=!
   Fail: (207) [system] c=!
   Call: (207) [system] c='\''
   Fail: (207) [system] c='\''
   Call: (207) [system] c='`'
   Fail: (207) [system] c='`'
   Call: (207) [system] c=end_of_file
   Fail: (207) [system] c=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x55772f068e50), c, _1729088)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1764598)
   Call: (209) [system] peek_char((0x55772f068e50), _1765532)
   Exit: (209) [system] peek_char((0x55772f068e50), d)
^  Call: (209) [user] is_delimiter(d)
   Call: (210) [system] char_type(d, space)
   Fail: (210) [system] char_type(d, space)
   Call: (210) [system] arg(_1770252, v('(', ')', end_of_file), d)
   Fail: (210) [system] arg(_1771184, v('(', ')', end_of_file), d)
^  Fail: (209) [user] is_delimiter(d)
   Call: (209) [system] ')'==d
   Fail: (209) [system] ')'==d
   Call: (209) [system] get_char((0x55772f068e50), d)
   Exit: (209) [system] get_char((0x55772f068e50), d)
   Call: (209) [system] d=(\)
   Fail: (209) [system] d=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1778534)
   Call: (210) [system] peek_char((0x55772f068e50), _1779468)
   Exit: (210) [system] peek_char((0x55772f068e50), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_1784188, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_1785120, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x55772f068e50), e)
   Exit: (210) [system] get_char((0x55772f068e50), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1792470)
   Call: (211) [system] peek_char((0x55772f068e50), _1793404)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1792470=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (210) [system] _1778534=[e]
   Exit: (210) [system] [e]=[e]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (209) [system] _1764598=[d, e]
   Exit: (209) [system] [d, e]=[d, e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [d, e])
^  Call: (208) [user] classify_and_convert_charseq([c, d, e], _1729088)
^  Call: (209) [user] classify_and_convert_charseq_([c, d, e], _1808276)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1809228, _1809230), once(user:catch(read_from_chars([c, d, e], _1808276), _1809210, fail)), '$restore_trace'(_1809228, _1809230))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1809228, _1809230))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1809210, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(cde)
   Exit: (210) [system] atomic(cde)
^  Exit: (209) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (209) [system] integer(cde)
   Fail: (209) [system] integer(cde)
   Call: (209) [system] _1729088=cde
   Exit: (209) [system] cde=cde
^  Exit: (208) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (207) [user] read_symbolic(')', (0x55772f068e50), c, cde)
^  Exit: (206) [user] cont_sexpr(')', (0x55772f068e50), cde)
^  Call: (206) [user] read_list(')', (0x55772f068e50), _1821356)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1823214)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x55772f068e50), _1832808)
   Exit: (208) [system] get_char((0x55772f068e50), ' ')
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1835512)
   Exit: (209) [system] peek_char((0x55772f068e50), a)
   Call: (209) [system] a=(;)
   Fail: (209) [system] a=(;)
   Call: (209) [system] a=(/)
   Fail: (209) [system] a=(/)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Fail: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Fail: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Fail: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
   Fail: (210) [system] char_type(a, cntrl)
^  Fail: (209) [user] is_like_space(a)
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1852446)
   Exit: (207) [system] peek_char((0x55772f068e50), a)
   Call: (207) [system] a=')'
   Fail: (207) [system] a=')'
   Call: (207) [system] a=end_of_file
   Fail: (207) [system] a=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x55772f068e50), _1858016)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1859874)
   Exit: (209) [system] peek_char((0x55772f068e50), a)
   Call: (209) [system] a=(;)
   Fail: (209) [system] a=(;)
   Call: (209) [system] a=(/)
   Fail: (209) [system] a=(/)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Fail: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Fail: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Fail: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
   Fail: (210) [system] char_type(a, cntrl)
^  Fail: (209) [user] is_like_space(a)
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] get_char((0x55772f068e50), _1875884)
   Exit: (208) [system] get_char((0x55772f068e50), a)
   Call: (208) [system] a='('
   Fail: (208) [system] a='('
   Call: (208) [system] a='['
   Fail: (208) [system] a='['
   Call: (208) [system] a='{'
   Fail: (208) [system] a='{'
   Call: (208) [system] a='"'
   Fail: (208) [system] a='"'
   Call: (208) [system] a=!
   Fail: (208) [system] a=!
   Call: (208) [system] a='\''
   Fail: (208) [system] a='\''
   Call: (208) [system] a='`'
   Fail: (208) [system] a='`'
   Call: (208) [system] a=end_of_file
   Fail: (208) [system] a=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x55772f068e50), a, _1858016)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1893526)
   Call: (210) [system] peek_char((0x55772f068e50), _1894460)
   Exit: (210) [system] peek_char((0x55772f068e50), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_1899180, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _1893526=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (209) [user] classify_and_convert_charseq([a], _1858016)
^  Call: (210) [user] classify_and_convert_charseq_([a], _1905616)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1906568, _1906570), once(user:catch(read_from_chars([a], _1905616), _1906550, fail)), '$restore_trace'(_1906568, _1906570))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1906568, _1906570))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1906550, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(a)
   Exit: (211) [system] atomic(a)
^  Exit: (210) [user] classify_and_convert_charseq_([a], a)
   Call: (210) [system] integer(a)
   Fail: (210) [system] integer(a)
   Call: (210) [system] _1858016=a
   Exit: (210) [system] a=a
^  Exit: (209) [user] classify_and_convert_charseq([a], a)
^  Exit: (208) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (207) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (207) [user] read_list(')', (0x55772f068e50), _1918696)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1920554)
   Exit: (209) [system] peek_char((0x55772f068e50), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
   Call: (209) [system] ')'=(/)
   Fail: (209) [system] ')'=(/)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1936564)
   Exit: (208) [system] peek_char((0x55772f068e50), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x55772f068e50), _1940354)
   Exit: (208) [system] get_char((0x55772f068e50), ')')
   Call: (208) [system] _1918696=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x55772f068e50), [])
   Call: (207) [system] _1821356=[a]
   Exit: (207) [system] [a]=[a]
^  Exit: (206) [user] read_list(')', (0x55772f068e50), [a])
   Call: (206) [system] _1692428=[cde, a]
   Exit: (206) [system] [cde, a]=[cde, a]
^  Exit: (205) [user] read_list(')', (0x55772f068e50), [cde, a])
   Call: (205) [system] _1218672=['ConjunctionIntroduction', cde, a]
   Exit: (205) [system] ['ConjunctionIntroduction', cde, a]=['ConjunctionIntroduction', cde, a]
^  Exit: (204) [user] read_list(')', (0x55772f068e50), ['ConjunctionIntroduction', cde, a])
^  Exit: (203) [user] cont_sexpr(')', (0x55772f068e50), ['ConjunctionIntroduction', cde, a])
^  Call: (203) [user] read_list(')', (0x55772f068e50), _1954236)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1956094)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x55772f068e50), _1965688)
   Exit: (205) [system] get_char((0x55772f068e50), ' ')
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1968392)
   Exit: (206) [system] peek_char((0x55772f068e50), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1985326)
   Exit: (204) [system] peek_char((0x55772f068e50), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x55772f068e50), _1990896)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1992754)
   Exit: (206) [system] peek_char((0x55772f068e50), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] get_char((0x55772f068e50), _2008764)
   Exit: (205) [system] get_char((0x55772f068e50), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x55772f068e50), _1990896)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _2014334)
   Exit: (207) [system] peek_char((0x55772f068e50), 'A')
   Call: (207) [system] 'A'=(;)
   Fail: (207) [system] 'A'=(;)
   Call: (207) [system] 'A'=(/)
   Fail: (207) [system] 'A'=(/)
^  Call: (207) [user] is_like_space('A')
   Call: (208) [system] char_type('A', 'white')
   Fail: (208) [system] char_type('A', 'white')
   Call: (208) [system] char_type('A', end_of_line)
   Fail: (208) [system] char_type('A', end_of_line)
   Call: (208) [system] char_type('A', space)
   Fail: (208) [system] char_type('A', space)
   Call: (208) [system] char_type('A', cntrl)
   Fail: (208) [system] char_type('A', cntrl)
^  Fail: (207) [user] is_like_space('A')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _2030344)
   Exit: (206) [system] peek_char((0x55772f068e50), 'A')
   Call: (206) [system] 'A'=')'
   Fail: (206) [system] 'A'=')'
   Call: (206) [system] 'A'=end_of_file
   Fail: (206) [system] 'A'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x55772f068e50), _2035914)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _2037772)
   Exit: (208) [system] peek_char((0x55772f068e50), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
   Call: (208) [system] 'A'=(/)
   Fail: (208) [system] 'A'=(/)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] get_char((0x55772f068e50), _2053782)
   Exit: (207) [system] get_char((0x55772f068e50), 'A')
   Call: (207) [system] 'A'='('
   Fail: (207) [system] 'A'='('
   Call: (207) [system] 'A'='['
   Fail: (207) [system] 'A'='['
   Call: (207) [system] 'A'='{'
   Fail: (207) [system] 'A'='{'
   Call: (207) [system] 'A'='"'
   Fail: (207) [system] 'A'='"'
   Call: (207) [system] 'A'=!
   Fail: (207) [system] 'A'=!
   Call: (207) [system] 'A'='\''
   Fail: (207) [system] 'A'='\''
   Call: (207) [system] 'A'='`'
   Fail: (207) [system] 'A'='`'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x55772f068e50), 'A', _2035914)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _2071424)
   Call: (209) [system] peek_char((0x55772f068e50), _2072358)
   Exit: (209) [system] peek_char((0x55772f068e50), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_2077078, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_2078010, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x55772f068e50), n)
   Exit: (209) [system] get_char((0x55772f068e50), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _2085360)
   Call: (210) [system] peek_char((0x55772f068e50), _2086294)
   Exit: (210) [system] peek_char((0x55772f068e50), d)
^  Call: (210) [user] is_delimiter(d)
   Call: (211) [system] char_type(d, space)
   Fail: (211) [system] char_type(d, space)
   Call: (211) [system] arg(_2091014, v('(', ')', end_of_file), d)
   Fail: (211) [system] arg(_2091946, v('(', ')', end_of_file), d)
^  Fail: (210) [user] is_delimiter(d)
   Call: (210) [system] ')'==d
   Fail: (210) [system] ')'==d
   Call: (210) [system] get_char((0x55772f068e50), d)
   Exit: (210) [system] get_char((0x55772f068e50), d)
   Call: (210) [system] d=(\)
   Fail: (210) [system] d=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _6898)
   Call: (211) [system] peek_char((0x55772f068e50), _7832)
   Exit: (211) [system] peek_char((0x55772f068e50), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Fail: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_12552, v('(', ')', end_of_file), 'L')
   Fail: (212) [system] arg(_13484, v('(', ')', end_of_file), 'L')
^  Fail: (211) [user] is_delimiter('L')
   Call: (211) [system] ')'=='L'
   Fail: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x55772f068e50), 'L')
   Exit: (211) [system] get_char((0x55772f068e50), 'L')
   Call: (211) [system] 'L'=(\)
   Fail: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _20834)
   Call: (212) [system] peek_char((0x55772f068e50), _21768)
   Exit: (212) [system] peek_char((0x55772f068e50), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_26488, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_27420, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x55772f068e50), i)
   Exit: (212) [system] get_char((0x55772f068e50), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _34770)
   Call: (213) [system] peek_char((0x55772f068e50), _35704)
   Exit: (213) [system] peek_char((0x55772f068e50), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_40424, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_41356, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x55772f068e50), n)
   Exit: (213) [system] get_char((0x55772f068e50), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _48706)
   Call: (214) [system] peek_char((0x55772f068e50), _49640)
   Exit: (214) [system] peek_char((0x55772f068e50), k)
^  Call: (214) [user] is_delimiter(k)
   Call: (215) [system] char_type(k, space)
   Fail: (215) [system] char_type(k, space)
   Call: (215) [system] arg(_54360, v('(', ')', end_of_file), k)
   Fail: (215) [system] arg(_55292, v('(', ')', end_of_file), k)
^  Fail: (214) [user] is_delimiter(k)
   Call: (214) [system] ')'==k
   Fail: (214) [system] ')'==k
   Call: (214) [system] get_char((0x55772f068e50), k)
   Exit: (214) [system] get_char((0x55772f068e50), k)
   Call: (214) [system] k=(\)
   Fail: (214) [system] k=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _62642)
   Call: (215) [system] peek_char((0x55772f068e50), _63576)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _62642=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (214) [system] _48706=[k]
   Exit: (214) [system] [k]=[k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (213) [system] _34770=[n, k]
   Exit: (213) [system] [n, k]=[n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (212) [system] _20834=[i, n, k]
   Exit: (212) [system] [i, n, k]=[i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (211) [system] _6898=['L', i, n, k]
   Exit: (211) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (210) [system] _4392=[d, 'L', i, n, k]
   Exit: (210) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (209) [system] _4388=[n, d, 'L', i, n, k]
   Exit: (209) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (208) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _4384)
^  Call: (209) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _89624)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_90576, _90578), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _89624), _90558, fail)), '$restore_trace'(_90576, _90578))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_90576, _90578))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _89624), _90558, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_89624)
   Fail: (210) [system] atomic(_89624)
   Call: (210) [system] atom_chars(_89624, ['A', n, d, 'L', i, n, k])
   Exit: (210) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (209) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (209) [system] integer('AndLink')
   Fail: (209) [system] integer('AndLink')
   Call: (209) [system] _4384='AndLink'
   Exit: (209) [system] 'AndLink'='AndLink'
^  Exit: (208) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (207) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (206) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (206) [user] read_list(')', (0x55772f068e50), _104574)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _106432)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x55772f068e50), _116026)
   Exit: (208) [system] get_char((0x55772f068e50), ' ')
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _118730)
   Exit: (209) [system] peek_char((0x55772f068e50), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _135664)
   Exit: (207) [system] peek_char((0x55772f068e50), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x55772f068e50), _141234)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _143092)
   Exit: (209) [system] peek_char((0x55772f068e50), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] get_char((0x55772f068e50), _159102)
   Exit: (208) [system] get_char((0x55772f068e50), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x55772f068e50), _141234)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _164672)
   Exit: (210) [system] peek_char((0x55772f068e50), 'I')
   Call: (210) [system] 'I'=(;)
   Fail: (210) [system] 'I'=(;)
   Call: (210) [system] 'I'=(/)
   Fail: (210) [system] 'I'=(/)
^  Call: (210) [user] is_like_space('I')
   Call: (211) [system] char_type('I', 'white')
   Fail: (211) [system] char_type('I', 'white')
   Call: (211) [system] char_type('I', end_of_line)
   Fail: (211) [system] char_type('I', end_of_line)
   Call: (211) [system] char_type('I', space)
   Fail: (211) [system] char_type('I', space)
   Call: (211) [system] char_type('I', cntrl)
   Fail: (211) [system] char_type('I', cntrl)
^  Fail: (210) [user] is_like_space('I')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _180682)
   Exit: (209) [system] peek_char((0x55772f068e50), 'I')
   Call: (209) [system] 'I'=')'
   Fail: (209) [system] 'I'=')'
   Call: (209) [system] 'I'=end_of_file
   Fail: (209) [system] 'I'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x55772f068e50), _186252)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _188110)
   Exit: (211) [system] peek_char((0x55772f068e50), 'I')
   Call: (211) [system] 'I'=(;)
   Fail: (211) [system] 'I'=(;)
   Call: (211) [system] 'I'=(/)
   Fail: (211) [system] 'I'=(/)
^  Call: (211) [user] is_like_space('I')
   Call: (212) [system] char_type('I', 'white')
   Fail: (212) [system] char_type('I', 'white')
   Call: (212) [system] char_type('I', end_of_line)
   Fail: (212) [system] char_type('I', end_of_line)
   Call: (212) [system] char_type('I', space)
   Fail: (212) [system] char_type('I', space)
   Call: (212) [system] char_type('I', cntrl)
   Fail: (212) [system] char_type('I', cntrl)
^  Fail: (211) [user] is_like_space('I')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] get_char((0x55772f068e50), _204120)
   Exit: (210) [system] get_char((0x55772f068e50), 'I')
   Call: (210) [system] 'I'='('
   Fail: (210) [system] 'I'='('
   Call: (210) [system] 'I'='['
   Fail: (210) [system] 'I'='['
   Call: (210) [system] 'I'='{'
   Fail: (210) [system] 'I'='{'
   Call: (210) [system] 'I'='"'
   Fail: (210) [system] 'I'='"'
   Call: (210) [system] 'I'=!
   Fail: (210) [system] 'I'=!
   Call: (210) [system] 'I'='\''
   Fail: (210) [system] 'I'='\''
   Call: (210) [system] 'I'='`'
   Fail: (210) [system] 'I'='`'
   Call: (210) [system] 'I'=end_of_file
   Fail: (210) [system] 'I'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x55772f068e50), 'I', _186252)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _221762)
   Call: (212) [system] peek_char((0x55772f068e50), _222696)
   Exit: (212) [system] peek_char((0x55772f068e50), m)
^  Call: (212) [user] is_delimiter(m)
   Call: (213) [system] char_type(m, space)
   Fail: (213) [system] char_type(m, space)
   Call: (213) [system] arg(_227416, v('(', ')', end_of_file), m)
   Fail: (213) [system] arg(_228348, v('(', ')', end_of_file), m)
^  Fail: (212) [user] is_delimiter(m)
   Call: (212) [system] ')'==m
   Fail: (212) [system] ')'==m
   Call: (212) [system] get_char((0x55772f068e50), m)
   Exit: (212) [system] get_char((0x55772f068e50), m)
   Call: (212) [system] m=(\)
   Fail: (212) [system] m=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _235698)
   Call: (213) [system] peek_char((0x55772f068e50), _236632)
   Exit: (213) [system] peek_char((0x55772f068e50), p)
^  Call: (213) [user] is_delimiter(p)
   Call: (214) [system] char_type(p, space)
   Fail: (214) [system] char_type(p, space)
   Call: (214) [system] arg(_241352, v('(', ')', end_of_file), p)
   Fail: (214) [system] arg(_242284, v('(', ')', end_of_file), p)
^  Fail: (213) [user] is_delimiter(p)
   Call: (213) [system] ')'==p
   Fail: (213) [system] ')'==p
   Call: (213) [system] get_char((0x55772f068e50), p)
   Exit: (213) [system] get_char((0x55772f068e50), p)
   Call: (213) [system] p=(\)
   Fail: (213) [system] p=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _249634)
   Call: (214) [system] peek_char((0x55772f068e50), _250568)
   Exit: (214) [system] peek_char((0x55772f068e50), l)
^  Call: (214) [user] is_delimiter(l)
   Call: (215) [system] char_type(l, space)
   Fail: (215) [system] char_type(l, space)
   Call: (215) [system] arg(_255288, v('(', ')', end_of_file), l)
   Fail: (215) [system] arg(_256220, v('(', ')', end_of_file), l)
^  Fail: (214) [user] is_delimiter(l)
   Call: (214) [system] ')'==l
   Fail: (214) [system] ')'==l
   Call: (214) [system] get_char((0x55772f068e50), l)
   Exit: (214) [system] get_char((0x55772f068e50), l)
   Call: (214) [system] l=(\)
   Fail: (214) [system] l=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _263570)
   Call: (215) [system] peek_char((0x55772f068e50), _264504)
   Exit: (215) [system] peek_char((0x55772f068e50), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_269224, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_270156, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x55772f068e50), i)
   Exit: (215) [system] get_char((0x55772f068e50), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _277506)
   Call: (216) [system] peek_char((0x55772f068e50), _278440)
   Exit: (216) [system] peek_char((0x55772f068e50), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_283160, v('(', ')', end_of_file), c)
   Fail: (217) [system] arg(_284092, v('(', ')', end_of_file), c)
^  Fail: (216) [user] is_delimiter(c)
   Call: (216) [system] ')'==c
   Fail: (216) [system] ')'==c
   Call: (216) [system] get_char((0x55772f068e50), c)
   Exit: (216) [system] get_char((0x55772f068e50), c)
   Call: (216) [system] c=(\)
   Fail: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _291442)
   Call: (217) [system] peek_char((0x55772f068e50), _292376)
   Exit: (217) [system] peek_char((0x55772f068e50), a)
^  Call: (217) [user] is_delimiter(a)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] arg(_297096, v('(', ')', end_of_file), a)
   Fail: (218) [system] arg(_298028, v('(', ')', end_of_file), a)
^  Fail: (217) [user] is_delimiter(a)
   Call: (217) [system] ')'==a
   Fail: (217) [system] ')'==a
   Call: (217) [system] get_char((0x55772f068e50), a)
   Exit: (217) [system] get_char((0x55772f068e50), a)
   Call: (217) [system] a=(\)
   Fail: (217) [system] a=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _305378)
   Call: (218) [system] peek_char((0x55772f068e50), _306312)
   Exit: (218) [system] peek_char((0x55772f068e50), t)
^  Call: (218) [user] is_delimiter(t)
   Call: (219) [system] char_type(t, space)
   Fail: (219) [system] char_type(t, space)
   Call: (219) [system] arg(_311032, v('(', ')', end_of_file), t)
   Fail: (219) [system] arg(_311964, v('(', ')', end_of_file), t)
^  Fail: (218) [user] is_delimiter(t)
   Call: (218) [system] ')'==t
   Fail: (218) [system] ')'==t
   Call: (218) [system] get_char((0x55772f068e50), t)
   Exit: (218) [system] get_char((0x55772f068e50), t)
   Call: (218) [system] t=(\)
   Fail: (218) [system] t=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _319314)
   Call: (219) [system] peek_char((0x55772f068e50), _320248)
   Exit: (219) [system] peek_char((0x55772f068e50), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_324968, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_325900, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x55772f068e50), i)
   Exit: (219) [system] get_char((0x55772f068e50), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _333250)
   Call: (220) [system] peek_char((0x55772f068e50), _334184)
   Exit: (220) [system] peek_char((0x55772f068e50), o)
^  Call: (220) [user] is_delimiter(o)
   Call: (221) [system] char_type(o, space)
   Fail: (221) [system] char_type(o, space)
   Call: (221) [system] arg(_338904, v('(', ')', end_of_file), o)
   Fail: (221) [system] arg(_339836, v('(', ')', end_of_file), o)
^  Fail: (220) [user] is_delimiter(o)
   Call: (220) [system] ')'==o
   Fail: (220) [system] ')'==o
   Call: (220) [system] get_char((0x55772f068e50), o)
   Exit: (220) [system] get_char((0x55772f068e50), o)
   Call: (220) [system] o=(\)
   Fail: (220) [system] o=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _347186)
   Call: (221) [system] peek_char((0x55772f068e50), _348120)
   Exit: (221) [system] peek_char((0x55772f068e50), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_352840, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_353772, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x55772f068e50), n)
   Exit: (221) [system] get_char((0x55772f068e50), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _361122)
   Call: (222) [system] peek_char((0x55772f068e50), _362056)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _361122=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (221) [system] _347186=[n]
   Exit: (221) [system] [n]=[n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (220) [system] _333250=[o, n]
   Exit: (220) [system] [o, n]=[o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (219) [system] _319314=[i, o, n]
   Exit: (219) [system] [i, o, n]=[i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (218) [system] _305378=[t, i, o, n]
   Exit: (218) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (217) [system] _291442=[a, t, i, o, n]
   Exit: (217) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (216) [system] _277506=[c, a, t, i, o, n]
   Exit: (216) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (215) [system] _263570=[i, c, a, t, i, o, n]
   Exit: (215) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (214) [system] _249634=[l, i, c, a, t, i, o, n]
   Exit: (214) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (213) [system] _235698=[p, l, i, c, a, t, i, o, n]
   Exit: (213) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (212) [system] _221762=[m, p, l, i, c, a, t, i, o, n]
   Exit: (212) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (211) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _186252)
^  Call: (212) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _399280)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_400232, _400234), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _399280), _400214, fail)), '$restore_trace'(_400232, _400234))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_400232, _400234))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _399280), _400214, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_399280)
   Fail: (213) [system] atomic(_399280)
   Call: (213) [system] atom_chars(_399280, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (213) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (212) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (212) [system] integer('Implication')
   Fail: (212) [system] integer('Implication')
   Call: (212) [system] _186252='Implication'
   Exit: (212) [system] 'Implication'='Implication'
^  Exit: (211) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (210) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (209) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (209) [user] read_list(')', (0x55772f068e50), _414230)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _416088)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x55772f068e50), _425682)
   Exit: (211) [system] get_char((0x55772f068e50), ' ')
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _428386)
   Exit: (212) [system] peek_char((0x55772f068e50), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _445320)
   Exit: (210) [system] peek_char((0x55772f068e50), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x55772f068e50), _450890)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _452748)
   Exit: (212) [system] peek_char((0x55772f068e50), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] get_char((0x55772f068e50), _468758)
   Exit: (211) [system] get_char((0x55772f068e50), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x55772f068e50), _450890)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _474328)
   Exit: (213) [system] peek_char((0x55772f068e50), 'O')
   Call: (213) [system] 'O'=(;)
   Fail: (213) [system] 'O'=(;)
   Call: (213) [system] 'O'=(/)
   Fail: (213) [system] 'O'=(/)
^  Call: (213) [user] is_like_space('O')
   Call: (214) [system] char_type('O', 'white')
   Fail: (214) [system] char_type('O', 'white')
   Call: (214) [system] char_type('O', end_of_line)
   Fail: (214) [system] char_type('O', end_of_line)
   Call: (214) [system] char_type('O', space)
   Fail: (214) [system] char_type('O', space)
   Call: (214) [system] char_type('O', cntrl)
   Fail: (214) [system] char_type('O', cntrl)
^  Fail: (213) [user] is_like_space('O')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _490338)
   Exit: (212) [system] peek_char((0x55772f068e50), 'O')
   Call: (212) [system] 'O'=')'
   Fail: (212) [system] 'O'=')'
   Call: (212) [system] 'O'=end_of_file
   Fail: (212) [system] 'O'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x55772f068e50), _495908)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _497766)
   Exit: (214) [system] peek_char((0x55772f068e50), 'O')
   Call: (214) [system] 'O'=(;)
   Fail: (214) [system] 'O'=(;)
   Call: (214) [system] 'O'=(/)
   Fail: (214) [system] 'O'=(/)
^  Call: (214) [user] is_like_space('O')
   Call: (215) [system] char_type('O', 'white')
   Fail: (215) [system] char_type('O', 'white')
   Call: (215) [system] char_type('O', end_of_line)
   Fail: (215) [system] char_type('O', end_of_line)
   Call: (215) [system] char_type('O', space)
   Fail: (215) [system] char_type('O', space)
   Call: (215) [system] char_type('O', cntrl)
   Fail: (215) [system] char_type('O', cntrl)
^  Fail: (214) [user] is_like_space('O')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] get_char((0x55772f068e50), _513776)
   Exit: (213) [system] get_char((0x55772f068e50), 'O')
   Call: (213) [system] 'O'='('
   Fail: (213) [system] 'O'='('
   Call: (213) [system] 'O'='['
   Fail: (213) [system] 'O'='['
   Call: (213) [system] 'O'='{'
   Fail: (213) [system] 'O'='{'
   Call: (213) [system] 'O'='"'
   Fail: (213) [system] 'O'='"'
   Call: (213) [system] 'O'=!
   Fail: (213) [system] 'O'=!
   Call: (213) [system] 'O'='\''
   Fail: (213) [system] 'O'='\''
   Call: (213) [system] 'O'='`'
   Fail: (213) [system] 'O'='`'
   Call: (213) [system] 'O'=end_of_file
   Fail: (213) [system] 'O'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x55772f068e50), 'O', _495908)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _531418)
   Call: (215) [system] peek_char((0x55772f068e50), _532352)
   Exit: (215) [system] peek_char((0x55772f068e50), r)
^  Call: (215) [user] is_delimiter(r)
   Call: (216) [system] char_type(r, space)
   Fail: (216) [system] char_type(r, space)
   Call: (216) [system] arg(_537072, v('(', ')', end_of_file), r)
   Fail: (216) [system] arg(_538004, v('(', ')', end_of_file), r)
^  Fail: (215) [user] is_delimiter(r)
   Call: (215) [system] ')'==r
   Fail: (215) [system] ')'==r
   Call: (215) [system] get_char((0x55772f068e50), r)
   Exit: (215) [system] get_char((0x55772f068e50), r)
   Call: (215) [system] r=(\)
   Fail: (215) [system] r=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _545354)
   Call: (216) [system] peek_char((0x55772f068e50), _546288)
   Exit: (216) [system] peek_char((0x55772f068e50), 'L')
^  Call: (216) [user] is_delimiter('L')
   Call: (217) [system] char_type('L', space)
   Fail: (217) [system] char_type('L', space)
   Call: (217) [system] arg(_551008, v('(', ')', end_of_file), 'L')
   Fail: (217) [system] arg(_551940, v('(', ')', end_of_file), 'L')
^  Fail: (216) [user] is_delimiter('L')
   Call: (216) [system] ')'=='L'
   Fail: (216) [system] ')'=='L'
   Call: (216) [system] get_char((0x55772f068e50), 'L')
   Exit: (216) [system] get_char((0x55772f068e50), 'L')
   Call: (216) [system] 'L'=(\)
   Fail: (216) [system] 'L'=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _559290)
   Call: (217) [system] peek_char((0x55772f068e50), _560224)
   Exit: (217) [system] peek_char((0x55772f068e50), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_564944, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_565876, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x55772f068e50), i)
   Exit: (217) [system] get_char((0x55772f068e50), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _573226)
   Call: (218) [system] peek_char((0x55772f068e50), _574160)
   Exit: (218) [system] peek_char((0x55772f068e50), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_578880, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_579812, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x55772f068e50), n)
   Exit: (218) [system] get_char((0x55772f068e50), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _587162)
   Call: (219) [system] peek_char((0x55772f068e50), _588096)
   Exit: (219) [system] peek_char((0x55772f068e50), k)
^  Call: (219) [user] is_delimiter(k)
   Call: (220) [system] char_type(k, space)
   Fail: (220) [system] char_type(k, space)
   Call: (220) [system] arg(_592816, v('(', ')', end_of_file), k)
   Fail: (220) [system] arg(_593748, v('(', ')', end_of_file), k)
^  Fail: (219) [user] is_delimiter(k)
   Call: (219) [system] ')'==k
   Fail: (219) [system] ')'==k
   Call: (219) [system] get_char((0x55772f068e50), k)
   Exit: (219) [system] get_char((0x55772f068e50), k)
   Call: (219) [system] k=(\)
   Fail: (219) [system] k=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _601098)
   Call: (220) [system] peek_char((0x55772f068e50), _602032)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _601098=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (219) [system] _587162=[k]
   Exit: (219) [system] [k]=[k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (218) [system] _573226=[n, k]
   Exit: (218) [system] [n, k]=[n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (217) [system] _559290=[i, n, k]
   Exit: (217) [system] [i, n, k]=[i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (216) [system] _545354=['L', i, n, k]
   Exit: (216) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (215) [system] _531418=[r, 'L', i, n, k]
   Exit: (215) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (214) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _495908)
^  Call: (215) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _625286)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_626238, _626240), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _625286), _626220, fail)), '$restore_trace'(_626238, _626240))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_626238, _626240))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _625286), _626220, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_625286)
   Fail: (216) [system] atomic(_625286)
   Call: (216) [system] atom_chars(_625286, ['O', r, 'L', i, n, k])
   Exit: (216) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (215) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (215) [system] integer('OrLink')
   Fail: (215) [system] integer('OrLink')
   Call: (215) [system] _495908='OrLink'
   Exit: (215) [system] 'OrLink'='OrLink'
^  Exit: (214) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (213) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (212) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (212) [user] read_list(')', (0x55772f068e50), _640236)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _642094)
   Exit: (214) [system] peek_char((0x55772f068e50), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x55772f068e50), _651688)
   Exit: (214) [system] get_char((0x55772f068e50), ' ')
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _654392)
   Exit: (215) [system] peek_char((0x55772f068e50), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
   Call: (215) [system] 'C'=(/)
   Fail: (215) [system] 'C'=(/)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _671326)
   Exit: (213) [system] peek_char((0x55772f068e50), 'C')
   Call: (213) [system] 'C'=')'
   Fail: (213) [system] 'C'=')'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _676896)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _678754)
   Exit: (215) [system] peek_char((0x55772f068e50), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
   Call: (215) [system] 'C'=(/)
   Fail: (215) [system] 'C'=(/)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _694764)
   Exit: (214) [system] get_char((0x55772f068e50), 'C')
   Call: (214) [system] 'C'='('
   Fail: (214) [system] 'C'='('
   Call: (214) [system] 'C'='['
   Fail: (214) [system] 'C'='['
   Call: (214) [system] 'C'='{'
   Fail: (214) [system] 'C'='{'
   Call: (214) [system] 'C'='"'
   Fail: (214) [system] 'C'='"'
   Call: (214) [system] 'C'=!
   Fail: (214) [system] 'C'=!
   Call: (214) [system] 'C'='\''
   Fail: (214) [system] 'C'='\''
   Call: (214) [system] 'C'='`'
   Fail: (214) [system] 'C'='`'
   Call: (214) [system] 'C'=end_of_file
   Fail: (214) [system] 'C'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x55772f068e50), 'C', _676896)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _712406)
   Call: (216) [system] peek_char((0x55772f068e50), _713340)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _712406=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (215) [user] classify_and_convert_charseq(['C'], _676896)
^  Call: (216) [user] classify_and_convert_charseq_(['C'], _722624)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_723576, _723578), once(user:catch(read_from_chars(['C'], _722624), _723558, fail)), '$restore_trace'(_723576, _723578))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_723576, _723578))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _722624), _723558, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_722624)
   Fail: (217) [system] atomic(_722624)
   Call: (217) [system] atom_chars(_722624, ['C'])
   Exit: (217) [system] atom_chars('C', ['C'])
^  Exit: (216) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (216) [system] integer('C')
   Fail: (216) [system] integer('C')
   Call: (216) [system] _676896='C'
   Exit: (216) [system] 'C'='C'
^  Exit: (215) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (214) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (213) [user] read_list(')', (0x55772f068e50), _737574)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _739432)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x55772f068e50), _749026)
   Exit: (215) [system] get_char((0x55772f068e50), ' ')
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _751730)
   Exit: (216) [system] peek_char((0x55772f068e50), 'D')
   Call: (216) [system] 'D'=(;)
   Fail: (216) [system] 'D'=(;)
   Call: (216) [system] 'D'=(/)
   Fail: (216) [system] 'D'=(/)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Fail: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Fail: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Fail: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
   Fail: (217) [system] char_type('D', cntrl)
^  Fail: (216) [user] is_like_space('D')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _768664)
   Exit: (214) [system] peek_char((0x55772f068e50), 'D')
   Call: (214) [system] 'D'=')'
   Fail: (214) [system] 'D'=')'
   Call: (214) [system] 'D'=end_of_file
   Fail: (214) [system] 'D'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _774234)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _776092)
   Exit: (216) [system] peek_char((0x55772f068e50), 'D')
   Call: (216) [system] 'D'=(;)
   Fail: (216) [system] 'D'=(;)
   Call: (216) [system] 'D'=(/)
   Fail: (216) [system] 'D'=(/)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Fail: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Fail: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Fail: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
   Fail: (217) [system] char_type('D', cntrl)
^  Fail: (216) [user] is_like_space('D')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _792102)
   Exit: (215) [system] get_char((0x55772f068e50), 'D')
   Call: (215) [system] 'D'='('
   Fail: (215) [system] 'D'='('
   Call: (215) [system] 'D'='['
   Fail: (215) [system] 'D'='['
   Call: (215) [system] 'D'='{'
   Fail: (215) [system] 'D'='{'
   Call: (215) [system] 'D'='"'
   Fail: (215) [system] 'D'='"'
   Call: (215) [system] 'D'=!
   Fail: (215) [system] 'D'=!
   Call: (215) [system] 'D'='\''
   Fail: (215) [system] 'D'='\''
   Call: (215) [system] 'D'='`'
   Fail: (215) [system] 'D'='`'
   Call: (215) [system] 'D'=end_of_file
   Fail: (215) [system] 'D'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x55772f068e50), 'D', _774234)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _809744)
   Call: (217) [system] peek_char((0x55772f068e50), _810678)
   Exit: (217) [system] peek_char((0x55772f068e50), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_815398, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _809744=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (216) [user] classify_and_convert_charseq(['D'], _774234)
^  Call: (217) [user] classify_and_convert_charseq_(['D'], _821834)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_822786, _822788), once(user:catch(read_from_chars(['D'], _821834), _822768, fail)), '$restore_trace'(_822786, _822788))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_822786, _822788))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _821834), _822768, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_821834)
   Fail: (218) [system] atomic(_821834)
   Call: (218) [system] atom_chars(_821834, ['D'])
   Exit: (218) [system] atom_chars('D', ['D'])
^  Exit: (217) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (217) [system] integer('D')
   Fail: (217) [system] integer('D')
   Call: (217) [system] _774234='D'
   Exit: (217) [system] 'D'='D'
^  Exit: (216) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (215) [user] read_symbolic(')', (0x55772f068e50), 'D', 'D')
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), 'D')
^  Call: (214) [user] read_list(')', (0x55772f068e50), _836784)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _838642)
   Exit: (216) [system] peek_char((0x55772f068e50), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _854652)
   Exit: (215) [system] peek_char((0x55772f068e50), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x55772f068e50), _858442)
   Exit: (215) [system] get_char((0x55772f068e50), ')')
   Call: (215) [system] _836784=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x55772f068e50), [])
   Call: (214) [system] _737574=['D']
   Exit: (214) [system] ['D']=['D']
^  Exit: (213) [user] read_list(')', (0x55772f068e50), ['D'])
   Call: (213) [system] _640236=['C', 'D']
   Exit: (213) [system] ['C', 'D']=['C', 'D']
^  Exit: (212) [user] read_list(')', (0x55772f068e50), ['C', 'D'])
   Call: (212) [system] _450890=['OrLink', 'C', 'D']
   Exit: (212) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (211) [user] read_list(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Exit: (210) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Call: (210) [user] read_list(')', (0x55772f068e50), _872324)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _874182)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x55772f068e50), _883776)
   Exit: (212) [system] get_char((0x55772f068e50), ' ')
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _886480)
   Exit: (213) [system] peek_char((0x55772f068e50), 'E')
   Call: (213) [system] 'E'=(;)
   Fail: (213) [system] 'E'=(;)
   Call: (213) [system] 'E'=(/)
   Fail: (213) [system] 'E'=(/)
^  Call: (213) [user] is_like_space('E')
   Call: (214) [system] char_type('E', 'white')
   Fail: (214) [system] char_type('E', 'white')
   Call: (214) [system] char_type('E', end_of_line)
   Fail: (214) [system] char_type('E', end_of_line)
   Call: (214) [system] char_type('E', space)
   Fail: (214) [system] char_type('E', space)
   Call: (214) [system] char_type('E', cntrl)
   Fail: (214) [system] char_type('E', cntrl)
^  Fail: (213) [user] is_like_space('E')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _903414)
   Exit: (211) [system] peek_char((0x55772f068e50), 'E')
   Call: (211) [system] 'E'=')'
   Fail: (211) [system] 'E'=')'
   Call: (211) [system] 'E'=end_of_file
   Fail: (211) [system] 'E'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x55772f068e50), _908984)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _910842)
   Exit: (213) [system] peek_char((0x55772f068e50), 'E')
   Call: (213) [system] 'E'=(;)
   Fail: (213) [system] 'E'=(;)
   Call: (213) [system] 'E'=(/)
   Fail: (213) [system] 'E'=(/)
^  Call: (213) [user] is_like_space('E')
   Call: (214) [system] char_type('E', 'white')
   Fail: (214) [system] char_type('E', 'white')
   Call: (214) [system] char_type('E', end_of_line)
   Fail: (214) [system] char_type('E', end_of_line)
   Call: (214) [system] char_type('E', space)
   Fail: (214) [system] char_type('E', space)
   Call: (214) [system] char_type('E', cntrl)
   Fail: (214) [system] char_type('E', cntrl)
^  Fail: (213) [user] is_like_space('E')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] get_char((0x55772f068e50), _926852)
   Exit: (212) [system] get_char((0x55772f068e50), 'E')
   Call: (212) [system] 'E'='('
   Fail: (212) [system] 'E'='('
   Call: (212) [system] 'E'='['
   Fail: (212) [system] 'E'='['
   Call: (212) [system] 'E'='{'
   Fail: (212) [system] 'E'='{'
   Call: (212) [system] 'E'='"'
   Fail: (212) [system] 'E'='"'
   Call: (212) [system] 'E'=!
   Fail: (212) [system] 'E'=!
   Call: (212) [system] 'E'='\''
   Fail: (212) [system] 'E'='\''
   Call: (212) [system] 'E'='`'
   Fail: (212) [system] 'E'='`'
   Call: (212) [system] 'E'=end_of_file
   Fail: (212) [system] 'E'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x55772f068e50), 'E', _908984)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _944494)
   Call: (214) [system] peek_char((0x55772f068e50), _945428)
   Exit: (214) [system] peek_char((0x55772f068e50), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_950148, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _944494=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (213) [user] classify_and_convert_charseq(['E'], _908984)
^  Call: (214) [user] classify_and_convert_charseq_(['E'], _956584)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_957536, _957538), once(user:catch(read_from_chars(['E'], _956584), _957518, fail)), '$restore_trace'(_957536, _957538))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_957536, _957538))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _956584), _957518, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_956584)
   Fail: (215) [system] atomic(_956584)
   Call: (215) [system] atom_chars(_956584, ['E'])
   Exit: (215) [system] atom_chars('E', ['E'])
^  Exit: (214) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (214) [system] integer('E')
   Fail: (214) [system] integer('E')
   Call: (214) [system] _908984='E'
   Exit: (214) [system] 'E'='E'
^  Exit: (213) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (212) [user] read_symbolic(')', (0x55772f068e50), 'E', 'E')
^  Exit: (211) [user] cont_sexpr(')', (0x55772f068e50), 'E')
^  Call: (211) [user] read_list(')', (0x55772f068e50), _971534)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _973392)
   Exit: (213) [system] peek_char((0x55772f068e50), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
   Call: (213) [system] ')'=(/)
   Fail: (213) [system] ')'=(/)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _989402)
   Exit: (212) [system] peek_char((0x55772f068e50), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x55772f068e50), _993192)
   Exit: (212) [system] get_char((0x55772f068e50), ')')
   Call: (212) [system] _971534=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x55772f068e50), [])
   Call: (211) [system] _872324=['E']
   Exit: (211) [system] ['E']=['E']
^  Exit: (210) [user] read_list(')', (0x55772f068e50), ['E'])
   Call: (210) [system] _414230=[['OrLink', 'C', 'D'], 'E']
   Exit: (210) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (209) [user] read_list(')', (0x55772f068e50), [['OrLink', 'C', 'D'], 'E'])
   Call: (209) [system] _141234=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (209) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (208) [user] read_list(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (207) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (207) [user] read_list(')', (0x55772f068e50), _1007074)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1008932)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x55772f068e50), _1018526)
   Exit: (209) [system] get_char((0x55772f068e50), ' ')
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1021230)
   Exit: (210) [system] peek_char((0x55772f068e50), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
   Call: (210) [system] 'A'=(/)
   Fail: (210) [system] 'A'=(/)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1038164)
   Exit: (208) [system] peek_char((0x55772f068e50), 'A')
   Call: (208) [system] 'A'=')'
   Fail: (208) [system] 'A'=')'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x55772f068e50), _1043734)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1045592)
   Exit: (210) [system] peek_char((0x55772f068e50), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
   Call: (210) [system] 'A'=(/)
   Fail: (210) [system] 'A'=(/)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] get_char((0x55772f068e50), _1061602)
   Exit: (209) [system] get_char((0x55772f068e50), 'A')
   Call: (209) [system] 'A'='('
   Fail: (209) [system] 'A'='('
   Call: (209) [system] 'A'='['
   Fail: (209) [system] 'A'='['
   Call: (209) [system] 'A'='{'
   Fail: (209) [system] 'A'='{'
   Call: (209) [system] 'A'='"'
   Fail: (209) [system] 'A'='"'
   Call: (209) [system] 'A'=!
   Fail: (209) [system] 'A'=!
   Call: (209) [system] 'A'='\''
   Fail: (209) [system] 'A'='\''
   Call: (209) [system] 'A'='`'
   Fail: (209) [system] 'A'='`'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x55772f068e50), 'A', _1043734)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1079244)
   Call: (211) [system] peek_char((0x55772f068e50), _1080178)
   Exit: (211) [system] peek_char((0x55772f068e50), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_1084898, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _1079244=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (210) [user] classify_and_convert_charseq(['A'], _1043734)
^  Call: (211) [user] classify_and_convert_charseq_(['A'], _1091334)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1092286, _1092288), once(user:catch(read_from_chars(['A'], _1091334), _1092268, fail)), '$restore_trace'(_1092286, _1092288))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1092286, _1092288))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1091334), _1092268, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1091334)
   Fail: (212) [system] atomic(_1091334)
   Call: (212) [system] atom_chars(_1091334, ['A'])
   Exit: (212) [system] atom_chars('A', ['A'])
^  Exit: (211) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (211) [system] integer('A')
   Fail: (211) [system] integer('A')
   Call: (211) [system] _1043734='A'
   Exit: (211) [system] 'A'='A'
^  Exit: (210) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (209) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (208) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (208) [user] read_list(')', (0x55772f068e50), _1106284)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1108142)
   Exit: (210) [system] peek_char((0x55772f068e50), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
   Call: (210) [system] ')'=(/)
   Fail: (210) [system] ')'=(/)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1124152)
   Exit: (209) [system] peek_char((0x55772f068e50), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x55772f068e50), _1127942)
   Exit: (209) [system] get_char((0x55772f068e50), ')')
   Call: (209) [system] _1106284=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x55772f068e50), [])
   Call: (208) [system] _1007074=['A']
   Exit: (208) [system] ['A']=['A']
^  Exit: (207) [user] read_list(')', (0x55772f068e50), ['A'])
   Call: (207) [system] _104574=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
   Exit: (207) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
^  Exit: (206) [user] read_list(')', (0x55772f068e50), [['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
   Call: (206) [system] _4378=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
   Exit: (206) [system] ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
^  Exit: (205) [user] read_list(')', (0x55772f068e50), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
^  Exit: (204) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
^  Call: (204) [user] read_list(')', (0x55772f068e50), _1141824)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1143682)
   Exit: (206) [system] peek_char((0x55772f068e50), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
   Call: (206) [system] ')'=(/)
   Fail: (206) [system] ')'=(/)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1159692)
   Exit: (205) [system] peek_char((0x55772f068e50), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x55772f068e50), _1163482)
   Exit: (205) [system] get_char((0x55772f068e50), ')')
   Call: (205) [system] _1141824=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x55772f068e50), [])
   Call: (204) [system] _4374=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (204) [system] [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (203) [user] read_list(')', (0x55772f068e50), [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
   Call: (203) [system] _4350=[['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (203) [system] [['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (202) [user] read_list(')', (0x55772f068e50), [['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
   Call: (202) [system] _4342=[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (202) [system] [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
^  Call: (200) [user] read_list(')', (0x55772f068e50), _1177364)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1179222)
   Exit: (202) [system] peek_char((0x55772f068e50), '\n')
   Call: (202) [system] '\n'=(;)
   Fail: (202) [system] '\n'=(;)
   Call: (202) [system] '\n'=(/)
   Fail: (202) [system] '\n'=(/)
^  Call: (202) [user] is_like_space('\n')
   Call: (203) [system] char_type('\n', 'white')
   Fail: (203) [system] char_type('\n', 'white')
   Call: (203) [system] char_type('\n', end_of_line)
   Exit: (203) [system] char_type('\n', end_of_line)
^  Exit: (202) [user] is_like_space('\n')
   Call: (202) [system] get_char((0x55772f068e50), _1190672)
   Exit: (202) [system] get_char((0x55772f068e50), '\n')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1193376)
   Exit: (203) [system] peek_char((0x55772f068e50), '\t')
   Call: (203) [system] '\t'=(;)
   Fail: (203) [system] '\t'=(;)
   Call: (203) [system] '\t'=(/)
   Fail: (203) [system] '\t'=(/)
^  Call: (203) [user] is_like_space('\t')
   Call: (204) [system] char_type('\t', 'white')
   Exit: (204) [system] char_type('\t', 'white')
^  Exit: (203) [user] is_like_space('\t')
   Call: (203) [system] get_char((0x55772f068e50), _1202970)
   Exit: (203) [system] get_char((0x55772f068e50), '\t')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1205674)
   Exit: (204) [system] peek_char((0x55772f068e50), '\t')
   Call: (204) [system] '\t'=(;)
   Fail: (204) [system] '\t'=(;)
   Call: (204) [system] '\t'=(/)
   Fail: (204) [system] '\t'=(/)
^  Call: (204) [user] is_like_space('\t')
   Call: (205) [system] char_type('\t', 'white')
   Exit: (205) [system] char_type('\t', 'white')
^  Exit: (204) [user] is_like_space('\t')
   Call: (204) [system] get_char((0x55772f068e50), _1215268)
   Exit: (204) [system] get_char((0x55772f068e50), '\t')
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1217972)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x55772f068e50), _1227566)
   Exit: (205) [system] get_char((0x55772f068e50), ' ')
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1230270)
   Exit: (206) [system] peek_char((0x55772f068e50), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1249976)
   Exit: (201) [system] peek_char((0x55772f068e50), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _1255546)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1257404)
   Exit: (203) [system] peek_char((0x55772f068e50), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _1273414)
   Exit: (202) [system] get_char((0x55772f068e50), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x55772f068e50), _1255546)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1278984)
   Exit: (204) [system] peek_char((0x55772f068e50), :)
   Call: (204) [system] (:)=(;)
   Fail: (204) [system] (:)=(;)
   Call: (204) [system] (:)=(/)
   Fail: (204) [system] (:)=(/)
^  Call: (204) [user] is_like_space(:)
   Call: (205) [system] char_type(:, 'white')
   Fail: (205) [system] char_type(:, 'white')
   Call: (205) [system] char_type(:, end_of_line)
   Fail: (205) [system] char_type(:, end_of_line)
   Call: (205) [system] char_type(:, space)
   Fail: (205) [system] char_type(:, space)
   Call: (205) [system] char_type(:, cntrl)
   Fail: (205) [system] char_type(:, cntrl)
^  Fail: (204) [user] is_like_space(:)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1294994)
   Exit: (203) [system] peek_char((0x55772f068e50), :)
   Call: (203) [system] (:)=')'
   Fail: (203) [system] (:)=')'
   Call: (203) [system] (:)=end_of_file
   Fail: (203) [system] (:)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x55772f068e50), _1300564)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1302422)
   Exit: (205) [system] peek_char((0x55772f068e50), :)
   Call: (205) [system] (:)=(;)
   Fail: (205) [system] (:)=(;)
   Call: (205) [system] (:)=(/)
   Fail: (205) [system] (:)=(/)
^  Call: (205) [user] is_like_space(:)
   Call: (206) [system] char_type(:, 'white')
   Fail: (206) [system] char_type(:, 'white')
   Call: (206) [system] char_type(:, end_of_line)
   Fail: (206) [system] char_type(:, end_of_line)
   Call: (206) [system] char_type(:, space)
   Fail: (206) [system] char_type(:, space)
   Call: (206) [system] char_type(:, cntrl)
   Fail: (206) [system] char_type(:, cntrl)
^  Fail: (205) [user] is_like_space(:)
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] get_char((0x55772f068e50), _1318432)
   Exit: (204) [system] get_char((0x55772f068e50), :)
   Call: (204) [system] (:)='('
   Fail: (204) [system] (:)='('
   Call: (204) [system] (:)='['
   Fail: (204) [system] (:)='['
   Call: (204) [system] (:)='{'
   Fail: (204) [system] (:)='{'
   Call: (204) [system] (:)='"'
   Fail: (204) [system] (:)='"'
   Call: (204) [system] (:)=!
   Fail: (204) [system] (:)=!
   Call: (204) [system] (:)='\''
   Fail: (204) [system] (:)='\''
   Call: (204) [system] (:)='`'
   Fail: (204) [system] (:)='`'
   Call: (204) [system] (:)=end_of_file
   Fail: (204) [system] (:)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x55772f068e50), :, _1300564)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1336074)
   Call: (206) [system] peek_char((0x55772f068e50), _1337008)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1336074=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (205) [user] classify_and_convert_charseq([:], _1300564)
^  Call: (206) [user] classify_and_convert_charseq_([:], _1346292)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1347244, _1347246), once(user:catch(read_from_chars([:], _1346292), _1347226, fail)), '$restore_trace'(_1347244, _1347246))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1347244, _1347246))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1347226, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(:)
   Exit: (207) [system] atomic(:)
^  Exit: (206) [user] classify_and_convert_charseq_([:], :)
   Call: (206) [system] integer(:)
   Fail: (206) [system] integer(:)
   Call: (206) [system] _1300564=(:)
   Exit: (206) [system] (:)=(:)
^  Exit: (205) [user] classify_and_convert_charseq([:], :)
^  Exit: (204) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (203) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (203) [user] read_list(')', (0x55772f068e50), _1359372)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1361230)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x55772f068e50), _1370824)
   Exit: (205) [system] get_char((0x55772f068e50), ' ')
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1373528)
   Exit: (206) [system] peek_char((0x55772f068e50), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1390462)
   Exit: (204) [system] peek_char((0x55772f068e50), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x55772f068e50), _1396032)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1397890)
   Exit: (206) [system] peek_char((0x55772f068e50), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] get_char((0x55772f068e50), _1413900)
   Exit: (205) [system] get_char((0x55772f068e50), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x55772f068e50), _1396032)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1419470)
   Exit: (207) [system] peek_char((0x55772f068e50), 'C')
   Call: (207) [system] 'C'=(;)
   Fail: (207) [system] 'C'=(;)
   Call: (207) [system] 'C'=(/)
   Fail: (207) [system] 'C'=(/)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Fail: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Fail: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Fail: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
   Fail: (208) [system] char_type('C', cntrl)
^  Fail: (207) [user] is_like_space('C')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1435480)
   Exit: (206) [system] peek_char((0x55772f068e50), 'C')
   Call: (206) [system] 'C'=')'
   Fail: (206) [system] 'C'=')'
   Call: (206) [system] 'C'=end_of_file
   Fail: (206) [system] 'C'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x55772f068e50), _1441050)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1442908)
   Exit: (208) [system] peek_char((0x55772f068e50), 'C')
   Call: (208) [system] 'C'=(;)
   Fail: (208) [system] 'C'=(;)
   Call: (208) [system] 'C'=(/)
   Fail: (208) [system] 'C'=(/)
^  Call: (208) [user] is_like_space('C')
   Call: (209) [system] char_type('C', 'white')
   Fail: (209) [system] char_type('C', 'white')
   Call: (209) [system] char_type('C', end_of_line)
   Fail: (209) [system] char_type('C', end_of_line)
   Call: (209) [system] char_type('C', space)
   Fail: (209) [system] char_type('C', space)
   Call: (209) [system] char_type('C', cntrl)
   Fail: (209) [system] char_type('C', cntrl)
^  Fail: (208) [user] is_like_space('C')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] get_char((0x55772f068e50), _1458918)
   Exit: (207) [system] get_char((0x55772f068e50), 'C')
   Call: (207) [system] 'C'='('
   Fail: (207) [system] 'C'='('
   Call: (207) [system] 'C'='['
   Fail: (207) [system] 'C'='['
   Call: (207) [system] 'C'='{'
   Fail: (207) [system] 'C'='{'
   Call: (207) [system] 'C'='"'
   Fail: (207) [system] 'C'='"'
   Call: (207) [system] 'C'=!
   Fail: (207) [system] 'C'=!
   Call: (207) [system] 'C'='\''
   Fail: (207) [system] 'C'='\''
   Call: (207) [system] 'C'='`'
   Fail: (207) [system] 'C'='`'
   Call: (207) [system] 'C'=end_of_file
   Fail: (207) [system] 'C'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x55772f068e50), 'C', _1441050)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1476560)
   Call: (209) [system] peek_char((0x55772f068e50), _1477494)
   Exit: (209) [system] peek_char((0x55772f068e50), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_1482214, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_1483146, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x55772f068e50), o)
   Exit: (209) [system] get_char((0x55772f068e50), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1490496)
   Call: (210) [system] peek_char((0x55772f068e50), _1491430)
   Exit: (210) [system] peek_char((0x55772f068e50), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_1496150, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_1497082, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x55772f068e50), n)
   Exit: (210) [system] get_char((0x55772f068e50), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1504432)
   Call: (211) [system] peek_char((0x55772f068e50), _1505366)
   Exit: (211) [system] peek_char((0x55772f068e50), j)
^  Call: (211) [user] is_delimiter(j)
   Call: (212) [system] char_type(j, space)
   Fail: (212) [system] char_type(j, space)
   Call: (212) [system] arg(_1510086, v('(', ')', end_of_file), j)
   Fail: (212) [system] arg(_1511018, v('(', ')', end_of_file), j)
^  Fail: (211) [user] is_delimiter(j)
   Call: (211) [system] ')'==j
   Fail: (211) [system] ')'==j
   Call: (211) [system] get_char((0x55772f068e50), j)
   Exit: (211) [system] get_char((0x55772f068e50), j)
   Call: (211) [system] j=(\)
   Fail: (211) [system] j=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1518368)
   Call: (212) [system] peek_char((0x55772f068e50), _1519302)
   Exit: (212) [system] peek_char((0x55772f068e50), u)
^  Call: (212) [user] is_delimiter(u)
   Call: (213) [system] char_type(u, space)
   Fail: (213) [system] char_type(u, space)
   Call: (213) [system] arg(_1524022, v('(', ')', end_of_file), u)
   Fail: (213) [system] arg(_1524954, v('(', ')', end_of_file), u)
^  Fail: (212) [user] is_delimiter(u)
   Call: (212) [system] ')'==u
   Fail: (212) [system] ')'==u
   Call: (212) [system] get_char((0x55772f068e50), u)
   Exit: (212) [system] get_char((0x55772f068e50), u)
   Call: (212) [system] u=(\)
   Fail: (212) [system] u=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1532304)
   Call: (213) [system] peek_char((0x55772f068e50), _1533238)
   Exit: (213) [system] peek_char((0x55772f068e50), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1537958, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_1538890, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x55772f068e50), n)
   Exit: (213) [system] get_char((0x55772f068e50), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1546240)
   Call: (214) [system] peek_char((0x55772f068e50), _1547174)
   Exit: (214) [system] peek_char((0x55772f068e50), c)
^  Call: (214) [user] is_delimiter(c)
   Call: (215) [system] char_type(c, space)
   Fail: (215) [system] char_type(c, space)
   Call: (215) [system] arg(_1551894, v('(', ')', end_of_file), c)
   Fail: (215) [system] arg(_1552826, v('(', ')', end_of_file), c)
^  Fail: (214) [user] is_delimiter(c)
   Call: (214) [system] ')'==c
   Fail: (214) [system] ')'==c
   Call: (214) [system] get_char((0x55772f068e50), c)
   Exit: (214) [system] get_char((0x55772f068e50), c)
   Call: (214) [system] c=(\)
   Fail: (214) [system] c=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1560176)
   Call: (215) [system] peek_char((0x55772f068e50), _1561110)
   Exit: (215) [system] peek_char((0x55772f068e50), t)
^  Call: (215) [user] is_delimiter(t)
   Call: (216) [system] char_type(t, space)
   Fail: (216) [system] char_type(t, space)
   Call: (216) [system] arg(_1565830, v('(', ')', end_of_file), t)
   Fail: (216) [system] arg(_1566762, v('(', ')', end_of_file), t)
^  Fail: (215) [user] is_delimiter(t)
   Call: (215) [system] ')'==t
   Fail: (215) [system] ')'==t
   Call: (215) [system] get_char((0x55772f068e50), t)
   Exit: (215) [system] get_char((0x55772f068e50), t)
   Call: (215) [system] t=(\)
   Fail: (215) [system] t=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1574112)
   Call: (216) [system] peek_char((0x55772f068e50), _1575046)
   Exit: (216) [system] peek_char((0x55772f068e50), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_1579766, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_1580698, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x55772f068e50), i)
   Exit: (216) [system] get_char((0x55772f068e50), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1588048)
   Call: (217) [system] peek_char((0x55772f068e50), _1588982)
   Exit: (217) [system] peek_char((0x55772f068e50), o)
^  Call: (217) [user] is_delimiter(o)
   Call: (218) [system] char_type(o, space)
   Fail: (218) [system] char_type(o, space)
   Call: (218) [system] arg(_1593702, v('(', ')', end_of_file), o)
   Fail: (218) [system] arg(_1594634, v('(', ')', end_of_file), o)
^  Fail: (217) [user] is_delimiter(o)
   Call: (217) [system] ')'==o
   Fail: (217) [system] ')'==o
   Call: (217) [system] get_char((0x55772f068e50), o)
   Exit: (217) [system] get_char((0x55772f068e50), o)
   Call: (217) [system] o=(\)
   Fail: (217) [system] o=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1601984)
   Call: (218) [system] peek_char((0x55772f068e50), _1602918)
   Exit: (218) [system] peek_char((0x55772f068e50), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1607638, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_1608570, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x55772f068e50), n)
   Exit: (218) [system] get_char((0x55772f068e50), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1615920)
   Call: (219) [system] peek_char((0x55772f068e50), _1616854)
   Exit: (219) [system] peek_char((0x55772f068e50), 'I')
^  Call: (219) [user] is_delimiter('I')
   Call: (220) [system] char_type('I', space)
   Fail: (220) [system] char_type('I', space)
   Call: (220) [system] arg(_1621574, v('(', ')', end_of_file), 'I')
   Fail: (220) [system] arg(_1622506, v('(', ')', end_of_file), 'I')
^  Fail: (219) [user] is_delimiter('I')
   Call: (219) [system] ')'=='I'
   Fail: (219) [system] ')'=='I'
   Call: (219) [system] get_char((0x55772f068e50), 'I')
   Exit: (219) [system] get_char((0x55772f068e50), 'I')
   Call: (219) [system] 'I'=(\)
   Fail: (219) [system] 'I'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1629856)
   Call: (220) [system] peek_char((0x55772f068e50), _1630790)
   Exit: (220) [system] peek_char((0x55772f068e50), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1635510, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1636442, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x55772f068e50), n)
   Exit: (220) [system] get_char((0x55772f068e50), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1643792)
   Call: (221) [system] peek_char((0x55772f068e50), _1644726)
   Exit: (221) [system] peek_char((0x55772f068e50), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_1649446, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_1650378, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x55772f068e50), t)
   Exit: (221) [system] get_char((0x55772f068e50), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1657728)
   Call: (222) [system] peek_char((0x55772f068e50), _1658662)
   Exit: (222) [system] peek_char((0x55772f068e50), r)
^  Call: (222) [user] is_delimiter(r)
   Call: (223) [system] char_type(r, space)
   Fail: (223) [system] char_type(r, space)
   Call: (223) [system] arg(_1663382, v('(', ')', end_of_file), r)
   Fail: (223) [system] arg(_1664314, v('(', ')', end_of_file), r)
^  Fail: (222) [user] is_delimiter(r)
   Call: (222) [system] ')'==r
   Fail: (222) [system] ')'==r
   Call: (222) [system] get_char((0x55772f068e50), r)
   Exit: (222) [system] get_char((0x55772f068e50), r)
   Call: (222) [system] r=(\)
   Fail: (222) [system] r=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1671664)
   Call: (223) [system] peek_char((0x55772f068e50), _1672598)
   Exit: (223) [system] peek_char((0x55772f068e50), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_1677318, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_1678250, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x55772f068e50), o)
   Exit: (223) [system] get_char((0x55772f068e50), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1685600)
   Call: (224) [system] peek_char((0x55772f068e50), _1686534)
   Exit: (224) [system] peek_char((0x55772f068e50), d)
^  Call: (224) [user] is_delimiter(d)
   Call: (225) [system] char_type(d, space)
   Fail: (225) [system] char_type(d, space)
   Call: (225) [system] arg(_1691254, v('(', ')', end_of_file), d)
   Fail: (225) [system] arg(_1692186, v('(', ')', end_of_file), d)
^  Fail: (224) [user] is_delimiter(d)
   Call: (224) [system] ')'==d
   Fail: (224) [system] ')'==d
   Call: (224) [system] get_char((0x55772f068e50), d)
   Exit: (224) [system] get_char((0x55772f068e50), d)
   Call: (224) [system] d=(\)
   Fail: (224) [system] d=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1699536)
   Call: (225) [system] peek_char((0x55772f068e50), _1700470)
   Exit: (225) [system] peek_char((0x55772f068e50), u)
^  Call: (225) [user] is_delimiter(u)
   Call: (226) [system] char_type(u, space)
   Fail: (226) [system] char_type(u, space)
   Call: (226) [system] arg(_1705190, v('(', ')', end_of_file), u)
   Fail: (226) [system] arg(_1706122, v('(', ')', end_of_file), u)
^  Fail: (225) [user] is_delimiter(u)
   Call: (225) [system] ')'==u
   Fail: (225) [system] ')'==u
   Call: (225) [system] get_char((0x55772f068e50), u)
   Exit: (225) [system] get_char((0x55772f068e50), u)
   Call: (225) [system] u=(\)
   Fail: (225) [system] u=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1713472)
   Call: (226) [system] peek_char((0x55772f068e50), _1714406)
   Exit: (226) [system] peek_char((0x55772f068e50), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_1719126, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_1720058, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x55772f068e50), c)
   Exit: (226) [system] get_char((0x55772f068e50), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1727408)
   Call: (227) [system] peek_char((0x55772f068e50), _1728342)
   Exit: (227) [system] peek_char((0x55772f068e50), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_1733062, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_1733994, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x55772f068e50), t)
   Exit: (227) [system] get_char((0x55772f068e50), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1741344)
   Call: (228) [system] peek_char((0x55772f068e50), _1742278)
   Exit: (228) [system] peek_char((0x55772f068e50), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1746998, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_1747930, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x55772f068e50), i)
   Exit: (228) [system] get_char((0x55772f068e50), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1755280)
   Call: (229) [system] peek_char((0x55772f068e50), _1756214)
   Exit: (229) [system] peek_char((0x55772f068e50), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_1760934, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_1761866, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x55772f068e50), o)
   Exit: (229) [system] get_char((0x55772f068e50), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1769216)
   Call: (230) [system] peek_char((0x55772f068e50), _1770150)
   Exit: (230) [system] peek_char((0x55772f068e50), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1774870, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1775802, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x55772f068e50), n)
   Exit: (230) [system] get_char((0x55772f068e50), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1783152)
   Call: (231) [system] peek_char((0x55772f068e50), _1784086)
   Exit: (231) [system] peek_char((0x55772f068e50), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1783152=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (230) [system] _1769216=[n]
   Exit: (230) [system] [n]=[n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (229) [system] _1755280=[o, n]
   Exit: (229) [system] [o, n]=[o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (228) [system] _1741344=[i, o, n]
   Exit: (228) [system] [i, o, n]=[i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (227) [system] _1727408=[t, i, o, n]
   Exit: (227) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (226) [system] _1713472=[c, t, i, o, n]
   Exit: (226) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (225) [system] _1699536=[u, c, t, i, o, n]
   Exit: (225) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (224) [system] _1685600=[d, u, c, t, i, o, n]
   Exit: (224) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (223) [system] _1671664=[o, d, u, c, t, i, o, n]
   Exit: (223) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (222) [system] _1657728=[r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1643792=[t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1629856=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1615920=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1601984=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1588048=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1574112=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1560176=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1546240=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1532304=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1518368=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1504432=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1490496=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1476560=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (208) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1441050)
^  Call: (209) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1854838)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1855790, _1855792), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1854838), _1855772, fail)), '$restore_trace'(_1855790, _1855792))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1855790, _1855792))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1854838), _1855772, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_1854838)
   Fail: (210) [system] atomic(_1854838)
   Call: (210) [system] atom_chars(_1854838, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (210) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (209) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (209) [system] integer('ConjunctionIntroduction')
   Fail: (209) [system] integer('ConjunctionIntroduction')
   Call: (209) [system] _1441050='ConjunctionIntroduction'
   Exit: (209) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (208) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (207) [user] read_symbolic(')', (0x55772f068e50), 'C', 'ConjunctionIntroduction')
^  Exit: (206) [user] cont_sexpr(')', (0x55772f068e50), 'ConjunctionIntroduction')
^  Call: (206) [user] read_list(')', (0x55772f068e50), _1869788)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1871646)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x55772f068e50), _1881240)
   Exit: (208) [system] get_char((0x55772f068e50), ' ')
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1883944)
   Exit: (209) [system] peek_char((0x55772f068e50), c)
   Call: (209) [system] c=(;)
   Fail: (209) [system] c=(;)
   Call: (209) [system] c=(/)
   Fail: (209) [system] c=(/)
^  Call: (209) [user] is_like_space(c)
   Call: (210) [system] char_type(c, 'white')
   Fail: (210) [system] char_type(c, 'white')
   Call: (210) [system] char_type(c, end_of_line)
   Fail: (210) [system] char_type(c, end_of_line)
   Call: (210) [system] char_type(c, space)
   Fail: (210) [system] char_type(c, space)
   Call: (210) [system] char_type(c, cntrl)
   Fail: (210) [system] char_type(c, cntrl)
^  Fail: (209) [user] is_like_space(c)
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1900878)
   Exit: (207) [system] peek_char((0x55772f068e50), c)
   Call: (207) [system] c=')'
   Fail: (207) [system] c=')'
   Call: (207) [system] c=end_of_file
   Fail: (207) [system] c=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x55772f068e50), _1906448)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1908306)
   Exit: (209) [system] peek_char((0x55772f068e50), c)
   Call: (209) [system] c=(;)
   Fail: (209) [system] c=(;)
   Call: (209) [system] c=(/)
   Fail: (209) [system] c=(/)
^  Call: (209) [user] is_like_space(c)
   Call: (210) [system] char_type(c, 'white')
   Fail: (210) [system] char_type(c, 'white')
   Call: (210) [system] char_type(c, end_of_line)
   Fail: (210) [system] char_type(c, end_of_line)
   Call: (210) [system] char_type(c, space)
   Fail: (210) [system] char_type(c, space)
   Call: (210) [system] char_type(c, cntrl)
   Fail: (210) [system] char_type(c, cntrl)
^  Fail: (209) [user] is_like_space(c)
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] get_char((0x55772f068e50), _1924316)
   Exit: (208) [system] get_char((0x55772f068e50), c)
   Call: (208) [system] c='('
   Fail: (208) [system] c='('
   Call: (208) [system] c='['
   Fail: (208) [system] c='['
   Call: (208) [system] c='{'
   Fail: (208) [system] c='{'
   Call: (208) [system] c='"'
   Fail: (208) [system] c='"'
   Call: (208) [system] c=!
   Fail: (208) [system] c=!
   Call: (208) [system] c='\''
   Fail: (208) [system] c='\''
   Call: (208) [system] c='`'
   Fail: (208) [system] c='`'
   Call: (208) [system] c=end_of_file
   Fail: (208) [system] c=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x55772f068e50), c, _1906448)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1941958)
   Call: (210) [system] peek_char((0x55772f068e50), _1942892)
   Exit: (210) [system] peek_char((0x55772f068e50), d)
^  Call: (210) [user] is_delimiter(d)
   Call: (211) [system] char_type(d, space)
   Fail: (211) [system] char_type(d, space)
   Call: (211) [system] arg(_1947612, v('(', ')', end_of_file), d)
   Fail: (211) [system] arg(_1948544, v('(', ')', end_of_file), d)
^  Fail: (210) [user] is_delimiter(d)
   Call: (210) [system] ')'==d
   Fail: (210) [system] ')'==d
   Call: (210) [system] get_char((0x55772f068e50), d)
   Exit: (210) [system] get_char((0x55772f068e50), d)
   Call: (210) [system] d=(\)
   Fail: (210) [system] d=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1955894)
   Call: (211) [system] peek_char((0x55772f068e50), _1956828)
   Exit: (211) [system] peek_char((0x55772f068e50), e)
^  Call: (211) [user] is_delimiter(e)
   Call: (212) [system] char_type(e, space)
   Fail: (212) [system] char_type(e, space)
   Call: (212) [system] arg(_1961548, v('(', ')', end_of_file), e)
   Fail: (212) [system] arg(_1962480, v('(', ')', end_of_file), e)
^  Fail: (211) [user] is_delimiter(e)
   Call: (211) [system] ')'==e
   Fail: (211) [system] ')'==e
   Call: (211) [system] get_char((0x55772f068e50), e)
   Exit: (211) [system] get_char((0x55772f068e50), e)
   Call: (211) [system] e=(\)
   Fail: (211) [system] e=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1969830)
   Call: (212) [system] peek_char((0x55772f068e50), _1970764)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1969830=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (211) [system] _1955894=[e]
   Exit: (211) [system] [e]=[e]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (210) [system] _1941958=[d, e]
   Exit: (210) [system] [d, e]=[d, e]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [d, e])
^  Call: (209) [user] classify_and_convert_charseq([c, d, e], _1906448)
^  Call: (210) [user] classify_and_convert_charseq_([c, d, e], _1985636)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1986588, _1986590), once(user:catch(read_from_chars([c, d, e], _1985636), _1986570, fail)), '$restore_trace'(_1986588, _1986590))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1986588, _1986590))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1986570, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(cde)
   Exit: (211) [system] atomic(cde)
^  Exit: (210) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (210) [system] integer(cde)
   Fail: (210) [system] integer(cde)
   Call: (210) [system] _1906448=cde
   Exit: (210) [system] cde=cde
^  Exit: (209) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (208) [user] read_symbolic(')', (0x55772f068e50), c, cde)
^  Exit: (207) [user] cont_sexpr(')', (0x55772f068e50), cde)
^  Call: (207) [user] read_list(')', (0x55772f068e50), _1998716)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _2000574)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x55772f068e50), _2010168)
   Exit: (209) [system] get_char((0x55772f068e50), ' ')
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _2012872)
   Exit: (210) [system] peek_char((0x55772f068e50), a)
   Call: (210) [system] a=(;)
   Fail: (210) [system] a=(;)
   Call: (210) [system] a=(/)
   Fail: (210) [system] a=(/)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Fail: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Fail: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
   Fail: (211) [system] char_type(a, cntrl)
^  Fail: (210) [user] is_like_space(a)
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _2029806)
   Exit: (208) [system] peek_char((0x55772f068e50), a)
   Call: (208) [system] a=')'
   Fail: (208) [system] a=')'
   Call: (208) [system] a=end_of_file
   Fail: (208) [system] a=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x55772f068e50), _2035376)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _2037234)
   Exit: (210) [system] peek_char((0x55772f068e50), a)
   Call: (210) [system] a=(;)
   Fail: (210) [system] a=(;)
   Call: (210) [system] a=(/)
   Fail: (210) [system] a=(/)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Fail: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Fail: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
   Fail: (211) [system] char_type(a, cntrl)
^  Fail: (210) [user] is_like_space(a)
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] get_char((0x55772f068e50), _2053244)
   Exit: (209) [system] get_char((0x55772f068e50), a)
   Call: (209) [system] a='('
   Fail: (209) [system] a='('
   Call: (209) [system] a='['
   Fail: (209) [system] a='['
   Call: (209) [system] a='{'
   Fail: (209) [system] a='{'
   Call: (209) [system] a='"'
   Fail: (209) [system] a='"'
   Call: (209) [system] a=!
   Fail: (209) [system] a=!
   Call: (209) [system] a='\''
   Fail: (209) [system] a='\''
   Call: (209) [system] a='`'
   Fail: (209) [system] a='`'
   Call: (209) [system] a=end_of_file
   Fail: (209) [system] a=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x55772f068e50), a, _2035376)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _2070886)
   Call: (211) [system] peek_char((0x55772f068e50), _2071820)
   Exit: (211) [system] peek_char((0x55772f068e50), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_2076540, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _2070886=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (210) [user] classify_and_convert_charseq([a], _2035376)
^  Call: (211) [user] classify_and_convert_charseq_([a], _2082976)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_2083928, _2083930), once(user:catch(read_from_chars([a], _2082976), _2083910, fail)), '$restore_trace'(_2083928, _2083930))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_2083928, _2083930))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _2083910, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(a)
   Exit: (212) [system] atomic(a)
^  Exit: (211) [user] classify_and_convert_charseq_([a], a)
   Call: (211) [system] integer(a)
   Fail: (211) [system] integer(a)
   Call: (211) [system] _2035376=a
   Exit: (211) [system] a=a
^  Exit: (210) [user] classify_and_convert_charseq([a], a)
^  Exit: (209) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (208) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (208) [user] read_list(')', (0x55772f068e50), _2096056)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _5364)
   Exit: (210) [system] peek_char((0x55772f068e50), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
   Call: (210) [system] ')'=(/)
   Fail: (210) [system] ')'=(/)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _21374)
   Exit: (209) [system] peek_char((0x55772f068e50), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x55772f068e50), _25164)
   Exit: (209) [system] get_char((0x55772f068e50), ')')
   Call: (209) [system] _4470=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x55772f068e50), [])
   Call: (208) [system] _4464=[a]
   Exit: (208) [system] [a]=[a]
^  Exit: (207) [user] read_list(')', (0x55772f068e50), [a])
   Call: (207) [system] _4458=[cde, a]
   Exit: (207) [system] [cde, a]=[cde, a]
^  Exit: (206) [user] read_list(')', (0x55772f068e50), [cde, a])
   Call: (206) [system] _4450=['ConjunctionIntroduction', cde, a]
   Exit: (206) [system] ['ConjunctionIntroduction', cde, a]=['ConjunctionIntroduction', cde, a]
^  Exit: (205) [user] read_list(')', (0x55772f068e50), ['ConjunctionIntroduction', cde, a])
^  Exit: (204) [user] cont_sexpr(')', (0x55772f068e50), ['ConjunctionIntroduction', cde, a])
^  Call: (204) [user] read_list(')', (0x55772f068e50), _39046)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _40904)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x55772f068e50), _50498)
   Exit: (206) [system] get_char((0x55772f068e50), ' ')
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _53202)
   Exit: (207) [system] peek_char((0x55772f068e50), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _70136)
   Exit: (205) [system] peek_char((0x55772f068e50), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x55772f068e50), _75706)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _77564)
   Exit: (207) [system] peek_char((0x55772f068e50), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] get_char((0x55772f068e50), _93574)
   Exit: (206) [system] get_char((0x55772f068e50), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x55772f068e50), _75706)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _99144)
   Exit: (208) [system] peek_char((0x55772f068e50), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
   Call: (208) [system] 'A'=(/)
   Fail: (208) [system] 'A'=(/)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _115154)
   Exit: (207) [system] peek_char((0x55772f068e50), 'A')
   Call: (207) [system] 'A'=')'
   Fail: (207) [system] 'A'=')'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x55772f068e50), _120724)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _122582)
   Exit: (209) [system] peek_char((0x55772f068e50), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] get_char((0x55772f068e50), _138592)
   Exit: (208) [system] get_char((0x55772f068e50), 'A')
   Call: (208) [system] 'A'='('
   Fail: (208) [system] 'A'='('
   Call: (208) [system] 'A'='['
   Fail: (208) [system] 'A'='['
   Call: (208) [system] 'A'='{'
   Fail: (208) [system] 'A'='{'
   Call: (208) [system] 'A'='"'
   Fail: (208) [system] 'A'='"'
   Call: (208) [system] 'A'=!
   Fail: (208) [system] 'A'=!
   Call: (208) [system] 'A'='\''
   Fail: (208) [system] 'A'='\''
   Call: (208) [system] 'A'='`'
   Fail: (208) [system] 'A'='`'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x55772f068e50), 'A', _120724)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _156234)
   Call: (210) [system] peek_char((0x55772f068e50), _157168)
   Exit: (210) [system] peek_char((0x55772f068e50), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_161888, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_162820, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x55772f068e50), n)
   Exit: (210) [system] get_char((0x55772f068e50), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _170170)
   Call: (211) [system] peek_char((0x55772f068e50), _171104)
   Exit: (211) [system] peek_char((0x55772f068e50), d)
^  Call: (211) [user] is_delimiter(d)
   Call: (212) [system] char_type(d, space)
   Fail: (212) [system] char_type(d, space)
   Call: (212) [system] arg(_175824, v('(', ')', end_of_file), d)
   Fail: (212) [system] arg(_176756, v('(', ')', end_of_file), d)
^  Fail: (211) [user] is_delimiter(d)
   Call: (211) [system] ')'==d
   Fail: (211) [system] ')'==d
   Call: (211) [system] get_char((0x55772f068e50), d)
   Exit: (211) [system] get_char((0x55772f068e50), d)
   Call: (211) [system] d=(\)
   Fail: (211) [system] d=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _184106)
   Call: (212) [system] peek_char((0x55772f068e50), _185040)
   Exit: (212) [system] peek_char((0x55772f068e50), 'L')
^  Call: (212) [user] is_delimiter('L')
   Call: (213) [system] char_type('L', space)
   Fail: (213) [system] char_type('L', space)
   Call: (213) [system] arg(_189760, v('(', ')', end_of_file), 'L')
   Fail: (213) [system] arg(_190692, v('(', ')', end_of_file), 'L')
^  Fail: (212) [user] is_delimiter('L')
   Call: (212) [system] ')'=='L'
   Fail: (212) [system] ')'=='L'
   Call: (212) [system] get_char((0x55772f068e50), 'L')
   Exit: (212) [system] get_char((0x55772f068e50), 'L')
   Call: (212) [system] 'L'=(\)
   Fail: (212) [system] 'L'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _198042)
   Call: (213) [system] peek_char((0x55772f068e50), _198976)
   Exit: (213) [system] peek_char((0x55772f068e50), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_203696, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_204628, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x55772f068e50), i)
   Exit: (213) [system] get_char((0x55772f068e50), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _211978)
   Call: (214) [system] peek_char((0x55772f068e50), _212912)
   Exit: (214) [system] peek_char((0x55772f068e50), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_217632, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_218564, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x55772f068e50), n)
   Exit: (214) [system] get_char((0x55772f068e50), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _225914)
   Call: (215) [system] peek_char((0x55772f068e50), _226848)
   Exit: (215) [system] peek_char((0x55772f068e50), k)
^  Call: (215) [user] is_delimiter(k)
   Call: (216) [system] char_type(k, space)
   Fail: (216) [system] char_type(k, space)
   Call: (216) [system] arg(_231568, v('(', ')', end_of_file), k)
   Fail: (216) [system] arg(_232500, v('(', ')', end_of_file), k)
^  Fail: (215) [user] is_delimiter(k)
   Call: (215) [system] ')'==k
   Fail: (215) [system] ')'==k
   Call: (215) [system] get_char((0x55772f068e50), k)
   Exit: (215) [system] get_char((0x55772f068e50), k)
   Call: (215) [system] k=(\)
   Fail: (215) [system] k=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _239850)
   Call: (216) [system] peek_char((0x55772f068e50), _240784)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _239850=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (215) [system] _225914=[k]
   Exit: (215) [system] [k]=[k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (214) [system] _211978=[n, k]
   Exit: (214) [system] [n, k]=[n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (213) [system] _198042=[i, n, k]
   Exit: (213) [system] [i, n, k]=[i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (212) [system] _184106=['L', i, n, k]
   Exit: (212) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (211) [system] _170170=[d, 'L', i, n, k]
   Exit: (211) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (210) [system] _156234=[n, d, 'L', i, n, k]
   Exit: (210) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (209) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _120724)
^  Call: (210) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _266832)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_267784, _267786), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _266832), _267766, fail)), '$restore_trace'(_267784, _267786))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_267784, _267786))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _266832), _267766, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_266832)
   Fail: (211) [system] atomic(_266832)
   Call: (211) [system] atom_chars(_266832, ['A', n, d, 'L', i, n, k])
   Exit: (211) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (210) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (210) [system] integer('AndLink')
   Fail: (210) [system] integer('AndLink')
   Call: (210) [system] _120724='AndLink'
   Exit: (210) [system] 'AndLink'='AndLink'
^  Exit: (209) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (208) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (207) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (207) [user] read_list(')', (0x55772f068e50), _281782)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _283640)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x55772f068e50), _293234)
   Exit: (209) [system] get_char((0x55772f068e50), ' ')
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _295938)
   Exit: (210) [system] peek_char((0x55772f068e50), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _312872)
   Exit: (208) [system] peek_char((0x55772f068e50), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x55772f068e50), _318442)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _320300)
   Exit: (210) [system] peek_char((0x55772f068e50), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] get_char((0x55772f068e50), _336310)
   Exit: (209) [system] get_char((0x55772f068e50), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x55772f068e50), _318442)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _341880)
   Exit: (211) [system] peek_char((0x55772f068e50), 'I')
   Call: (211) [system] 'I'=(;)
   Fail: (211) [system] 'I'=(;)
   Call: (211) [system] 'I'=(/)
   Fail: (211) [system] 'I'=(/)
^  Call: (211) [user] is_like_space('I')
   Call: (212) [system] char_type('I', 'white')
   Fail: (212) [system] char_type('I', 'white')
   Call: (212) [system] char_type('I', end_of_line)
   Fail: (212) [system] char_type('I', end_of_line)
   Call: (212) [system] char_type('I', space)
   Fail: (212) [system] char_type('I', space)
   Call: (212) [system] char_type('I', cntrl)
   Fail: (212) [system] char_type('I', cntrl)
^  Fail: (211) [user] is_like_space('I')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _357890)
   Exit: (210) [system] peek_char((0x55772f068e50), 'I')
   Call: (210) [system] 'I'=')'
   Fail: (210) [system] 'I'=')'
   Call: (210) [system] 'I'=end_of_file
   Fail: (210) [system] 'I'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x55772f068e50), _363460)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _365318)
   Exit: (212) [system] peek_char((0x55772f068e50), 'I')
   Call: (212) [system] 'I'=(;)
   Fail: (212) [system] 'I'=(;)
   Call: (212) [system] 'I'=(/)
   Fail: (212) [system] 'I'=(/)
^  Call: (212) [user] is_like_space('I')
   Call: (213) [system] char_type('I', 'white')
   Fail: (213) [system] char_type('I', 'white')
   Call: (213) [system] char_type('I', end_of_line)
   Fail: (213) [system] char_type('I', end_of_line)
   Call: (213) [system] char_type('I', space)
   Fail: (213) [system] char_type('I', space)
   Call: (213) [system] char_type('I', cntrl)
   Fail: (213) [system] char_type('I', cntrl)
^  Fail: (212) [user] is_like_space('I')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] get_char((0x55772f068e50), _381328)
   Exit: (211) [system] get_char((0x55772f068e50), 'I')
   Call: (211) [system] 'I'='('
   Fail: (211) [system] 'I'='('
   Call: (211) [system] 'I'='['
   Fail: (211) [system] 'I'='['
   Call: (211) [system] 'I'='{'
   Fail: (211) [system] 'I'='{'
   Call: (211) [system] 'I'='"'
   Fail: (211) [system] 'I'='"'
   Call: (211) [system] 'I'=!
   Fail: (211) [system] 'I'=!
   Call: (211) [system] 'I'='\''
   Fail: (211) [system] 'I'='\''
   Call: (211) [system] 'I'='`'
   Fail: (211) [system] 'I'='`'
   Call: (211) [system] 'I'=end_of_file
   Fail: (211) [system] 'I'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x55772f068e50), 'I', _363460)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _398970)
   Call: (213) [system] peek_char((0x55772f068e50), _399904)
   Exit: (213) [system] peek_char((0x55772f068e50), m)
^  Call: (213) [user] is_delimiter(m)
   Call: (214) [system] char_type(m, space)
   Fail: (214) [system] char_type(m, space)
   Call: (214) [system] arg(_404624, v('(', ')', end_of_file), m)
   Fail: (214) [system] arg(_405556, v('(', ')', end_of_file), m)
^  Fail: (213) [user] is_delimiter(m)
   Call: (213) [system] ')'==m
   Fail: (213) [system] ')'==m
   Call: (213) [system] get_char((0x55772f068e50), m)
   Exit: (213) [system] get_char((0x55772f068e50), m)
   Call: (213) [system] m=(\)
   Fail: (213) [system] m=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _412906)
   Call: (214) [system] peek_char((0x55772f068e50), _413840)
   Exit: (214) [system] peek_char((0x55772f068e50), p)
^  Call: (214) [user] is_delimiter(p)
   Call: (215) [system] char_type(p, space)
   Fail: (215) [system] char_type(p, space)
   Call: (215) [system] arg(_418560, v('(', ')', end_of_file), p)
   Fail: (215) [system] arg(_419492, v('(', ')', end_of_file), p)
^  Fail: (214) [user] is_delimiter(p)
   Call: (214) [system] ')'==p
   Fail: (214) [system] ')'==p
   Call: (214) [system] get_char((0x55772f068e50), p)
   Exit: (214) [system] get_char((0x55772f068e50), p)
   Call: (214) [system] p=(\)
   Fail: (214) [system] p=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _426842)
   Call: (215) [system] peek_char((0x55772f068e50), _427776)
   Exit: (215) [system] peek_char((0x55772f068e50), l)
^  Call: (215) [user] is_delimiter(l)
   Call: (216) [system] char_type(l, space)
   Fail: (216) [system] char_type(l, space)
   Call: (216) [system] arg(_432496, v('(', ')', end_of_file), l)
   Fail: (216) [system] arg(_433428, v('(', ')', end_of_file), l)
^  Fail: (215) [user] is_delimiter(l)
   Call: (215) [system] ')'==l
   Fail: (215) [system] ')'==l
   Call: (215) [system] get_char((0x55772f068e50), l)
   Exit: (215) [system] get_char((0x55772f068e50), l)
   Call: (215) [system] l=(\)
   Fail: (215) [system] l=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _440778)
   Call: (216) [system] peek_char((0x55772f068e50), _441712)
   Exit: (216) [system] peek_char((0x55772f068e50), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_446432, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_447364, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x55772f068e50), i)
   Exit: (216) [system] get_char((0x55772f068e50), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _454714)
   Call: (217) [system] peek_char((0x55772f068e50), _455648)
   Exit: (217) [system] peek_char((0x55772f068e50), c)
^  Call: (217) [user] is_delimiter(c)
   Call: (218) [system] char_type(c, space)
   Fail: (218) [system] char_type(c, space)
   Call: (218) [system] arg(_460368, v('(', ')', end_of_file), c)
   Fail: (218) [system] arg(_461300, v('(', ')', end_of_file), c)
^  Fail: (217) [user] is_delimiter(c)
   Call: (217) [system] ')'==c
   Fail: (217) [system] ')'==c
   Call: (217) [system] get_char((0x55772f068e50), c)
   Exit: (217) [system] get_char((0x55772f068e50), c)
   Call: (217) [system] c=(\)
   Fail: (217) [system] c=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _468650)
   Call: (218) [system] peek_char((0x55772f068e50), _469584)
   Exit: (218) [system] peek_char((0x55772f068e50), a)
^  Call: (218) [user] is_delimiter(a)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] arg(_474304, v('(', ')', end_of_file), a)
   Fail: (219) [system] arg(_475236, v('(', ')', end_of_file), a)
^  Fail: (218) [user] is_delimiter(a)
   Call: (218) [system] ')'==a
   Fail: (218) [system] ')'==a
   Call: (218) [system] get_char((0x55772f068e50), a)
   Exit: (218) [system] get_char((0x55772f068e50), a)
   Call: (218) [system] a=(\)
   Fail: (218) [system] a=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _482586)
   Call: (219) [system] peek_char((0x55772f068e50), _483520)
   Exit: (219) [system] peek_char((0x55772f068e50), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Fail: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_488240, v('(', ')', end_of_file), t)
   Fail: (220) [system] arg(_489172, v('(', ')', end_of_file), t)
^  Fail: (219) [user] is_delimiter(t)
   Call: (219) [system] ')'==t
   Fail: (219) [system] ')'==t
   Call: (219) [system] get_char((0x55772f068e50), t)
   Exit: (219) [system] get_char((0x55772f068e50), t)
   Call: (219) [system] t=(\)
   Fail: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _496522)
   Call: (220) [system] peek_char((0x55772f068e50), _497456)
   Exit: (220) [system] peek_char((0x55772f068e50), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_502176, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_503108, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x55772f068e50), i)
   Exit: (220) [system] get_char((0x55772f068e50), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _510458)
   Call: (221) [system] peek_char((0x55772f068e50), _511392)
   Exit: (221) [system] peek_char((0x55772f068e50), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Fail: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_516112, v('(', ')', end_of_file), o)
   Fail: (222) [system] arg(_517044, v('(', ')', end_of_file), o)
^  Fail: (221) [user] is_delimiter(o)
   Call: (221) [system] ')'==o
   Fail: (221) [system] ')'==o
   Call: (221) [system] get_char((0x55772f068e50), o)
   Exit: (221) [system] get_char((0x55772f068e50), o)
   Call: (221) [system] o=(\)
   Fail: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _524394)
   Call: (222) [system] peek_char((0x55772f068e50), _525328)
   Exit: (222) [system] peek_char((0x55772f068e50), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_530048, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_530980, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x55772f068e50), n)
   Exit: (222) [system] get_char((0x55772f068e50), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _538330)
   Call: (223) [system] peek_char((0x55772f068e50), _539264)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _538330=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (222) [system] _524394=[n]
   Exit: (222) [system] [n]=[n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (221) [system] _510458=[o, n]
   Exit: (221) [system] [o, n]=[o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (220) [system] _496522=[i, o, n]
   Exit: (220) [system] [i, o, n]=[i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (219) [system] _482586=[t, i, o, n]
   Exit: (219) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (218) [system] _468650=[a, t, i, o, n]
   Exit: (218) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (217) [system] _454714=[c, a, t, i, o, n]
   Exit: (217) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (216) [system] _440778=[i, c, a, t, i, o, n]
   Exit: (216) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (215) [system] _426842=[l, i, c, a, t, i, o, n]
   Exit: (215) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (214) [system] _412906=[p, l, i, c, a, t, i, o, n]
   Exit: (214) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (213) [system] _398970=[m, p, l, i, c, a, t, i, o, n]
   Exit: (213) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (212) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _363460)
^  Call: (213) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _576488)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_577440, _577442), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _576488), _577422, fail)), '$restore_trace'(_577440, _577442))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_577440, _577442))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _576488), _577422, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_576488)
   Fail: (214) [system] atomic(_576488)
   Call: (214) [system] atom_chars(_576488, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (214) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (213) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (213) [system] integer('Implication')
   Fail: (213) [system] integer('Implication')
   Call: (213) [system] _363460='Implication'
   Exit: (213) [system] 'Implication'='Implication'
^  Exit: (212) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (211) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (210) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (210) [user] read_list(')', (0x55772f068e50), _591438)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _593296)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x55772f068e50), _602890)
   Exit: (212) [system] get_char((0x55772f068e50), ' ')
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _605594)
   Exit: (213) [system] peek_char((0x55772f068e50), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _622528)
   Exit: (211) [system] peek_char((0x55772f068e50), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x55772f068e50), _628098)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _629956)
   Exit: (213) [system] peek_char((0x55772f068e50), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] get_char((0x55772f068e50), _645966)
   Exit: (212) [system] get_char((0x55772f068e50), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x55772f068e50), _628098)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _651536)
   Exit: (214) [system] peek_char((0x55772f068e50), 'O')
   Call: (214) [system] 'O'=(;)
   Fail: (214) [system] 'O'=(;)
   Call: (214) [system] 'O'=(/)
   Fail: (214) [system] 'O'=(/)
^  Call: (214) [user] is_like_space('O')
   Call: (215) [system] char_type('O', 'white')
   Fail: (215) [system] char_type('O', 'white')
   Call: (215) [system] char_type('O', end_of_line)
   Fail: (215) [system] char_type('O', end_of_line)
   Call: (215) [system] char_type('O', space)
   Fail: (215) [system] char_type('O', space)
   Call: (215) [system] char_type('O', cntrl)
   Fail: (215) [system] char_type('O', cntrl)
^  Fail: (214) [user] is_like_space('O')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _667546)
   Exit: (213) [system] peek_char((0x55772f068e50), 'O')
   Call: (213) [system] 'O'=')'
   Fail: (213) [system] 'O'=')'
   Call: (213) [system] 'O'=end_of_file
   Fail: (213) [system] 'O'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _673116)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _674974)
   Exit: (215) [system] peek_char((0x55772f068e50), 'O')
   Call: (215) [system] 'O'=(;)
   Fail: (215) [system] 'O'=(;)
   Call: (215) [system] 'O'=(/)
   Fail: (215) [system] 'O'=(/)
^  Call: (215) [user] is_like_space('O')
   Call: (216) [system] char_type('O', 'white')
   Fail: (216) [system] char_type('O', 'white')
   Call: (216) [system] char_type('O', end_of_line)
   Fail: (216) [system] char_type('O', end_of_line)
   Call: (216) [system] char_type('O', space)
   Fail: (216) [system] char_type('O', space)
   Call: (216) [system] char_type('O', cntrl)
   Fail: (216) [system] char_type('O', cntrl)
^  Fail: (215) [user] is_like_space('O')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _690984)
   Exit: (214) [system] get_char((0x55772f068e50), 'O')
   Call: (214) [system] 'O'='('
   Fail: (214) [system] 'O'='('
   Call: (214) [system] 'O'='['
   Fail: (214) [system] 'O'='['
   Call: (214) [system] 'O'='{'
   Fail: (214) [system] 'O'='{'
   Call: (214) [system] 'O'='"'
   Fail: (214) [system] 'O'='"'
   Call: (214) [system] 'O'=!
   Fail: (214) [system] 'O'=!
   Call: (214) [system] 'O'='\''
   Fail: (214) [system] 'O'='\''
   Call: (214) [system] 'O'='`'
   Fail: (214) [system] 'O'='`'
   Call: (214) [system] 'O'=end_of_file
   Fail: (214) [system] 'O'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x55772f068e50), 'O', _673116)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _708626)
   Call: (216) [system] peek_char((0x55772f068e50), _709560)
   Exit: (216) [system] peek_char((0x55772f068e50), r)
^  Call: (216) [user] is_delimiter(r)
   Call: (217) [system] char_type(r, space)
   Fail: (217) [system] char_type(r, space)
   Call: (217) [system] arg(_714280, v('(', ')', end_of_file), r)
   Fail: (217) [system] arg(_715212, v('(', ')', end_of_file), r)
^  Fail: (216) [user] is_delimiter(r)
   Call: (216) [system] ')'==r
   Fail: (216) [system] ')'==r
   Call: (216) [system] get_char((0x55772f068e50), r)
   Exit: (216) [system] get_char((0x55772f068e50), r)
   Call: (216) [system] r=(\)
   Fail: (216) [system] r=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _722562)
   Call: (217) [system] peek_char((0x55772f068e50), _723496)
   Exit: (217) [system] peek_char((0x55772f068e50), 'L')
^  Call: (217) [user] is_delimiter('L')
   Call: (218) [system] char_type('L', space)
   Fail: (218) [system] char_type('L', space)
   Call: (218) [system] arg(_728216, v('(', ')', end_of_file), 'L')
   Fail: (218) [system] arg(_729148, v('(', ')', end_of_file), 'L')
^  Fail: (217) [user] is_delimiter('L')
   Call: (217) [system] ')'=='L'
   Fail: (217) [system] ')'=='L'
   Call: (217) [system] get_char((0x55772f068e50), 'L')
   Exit: (217) [system] get_char((0x55772f068e50), 'L')
   Call: (217) [system] 'L'=(\)
   Fail: (217) [system] 'L'=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _736498)
   Call: (218) [system] peek_char((0x55772f068e50), _737432)
   Exit: (218) [system] peek_char((0x55772f068e50), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_742152, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_743084, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x55772f068e50), i)
   Exit: (218) [system] get_char((0x55772f068e50), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _750434)
   Call: (219) [system] peek_char((0x55772f068e50), _751368)
   Exit: (219) [system] peek_char((0x55772f068e50), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_756088, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_757020, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x55772f068e50), n)
   Exit: (219) [system] get_char((0x55772f068e50), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _764370)
   Call: (220) [system] peek_char((0x55772f068e50), _765304)
   Exit: (220) [system] peek_char((0x55772f068e50), k)
^  Call: (220) [user] is_delimiter(k)
   Call: (221) [system] char_type(k, space)
   Fail: (221) [system] char_type(k, space)
   Call: (221) [system] arg(_770024, v('(', ')', end_of_file), k)
   Fail: (221) [system] arg(_770956, v('(', ')', end_of_file), k)
^  Fail: (220) [user] is_delimiter(k)
   Call: (220) [system] ')'==k
   Fail: (220) [system] ')'==k
   Call: (220) [system] get_char((0x55772f068e50), k)
   Exit: (220) [system] get_char((0x55772f068e50), k)
   Call: (220) [system] k=(\)
   Fail: (220) [system] k=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _778306)
   Call: (221) [system] peek_char((0x55772f068e50), _779240)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _778306=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (220) [system] _764370=[k]
   Exit: (220) [system] [k]=[k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (219) [system] _750434=[n, k]
   Exit: (219) [system] [n, k]=[n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (218) [system] _736498=[i, n, k]
   Exit: (218) [system] [i, n, k]=[i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (217) [system] _722562=['L', i, n, k]
   Exit: (217) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (216) [system] _708626=[r, 'L', i, n, k]
   Exit: (216) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (215) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _673116)
^  Call: (216) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _802494)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_803446, _803448), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _802494), _803428, fail)), '$restore_trace'(_803446, _803448))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_803446, _803448))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _802494), _803428, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_802494)
   Fail: (217) [system] atomic(_802494)
   Call: (217) [system] atom_chars(_802494, ['O', r, 'L', i, n, k])
   Exit: (217) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (216) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (216) [system] integer('OrLink')
   Fail: (216) [system] integer('OrLink')
   Call: (216) [system] _673116='OrLink'
   Exit: (216) [system] 'OrLink'='OrLink'
^  Exit: (215) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (214) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (213) [user] read_list(')', (0x55772f068e50), _817444)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _819302)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x55772f068e50), _828896)
   Exit: (215) [system] get_char((0x55772f068e50), ' ')
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _831600)
   Exit: (216) [system] peek_char((0x55772f068e50), 'C')
   Call: (216) [system] 'C'=(;)
   Fail: (216) [system] 'C'=(;)
   Call: (216) [system] 'C'=(/)
   Fail: (216) [system] 'C'=(/)
^  Call: (216) [user] is_like_space('C')
   Call: (217) [system] char_type('C', 'white')
   Fail: (217) [system] char_type('C', 'white')
   Call: (217) [system] char_type('C', end_of_line)
   Fail: (217) [system] char_type('C', end_of_line)
   Call: (217) [system] char_type('C', space)
   Fail: (217) [system] char_type('C', space)
   Call: (217) [system] char_type('C', cntrl)
   Fail: (217) [system] char_type('C', cntrl)
^  Fail: (216) [user] is_like_space('C')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _848534)
   Exit: (214) [system] peek_char((0x55772f068e50), 'C')
   Call: (214) [system] 'C'=')'
   Fail: (214) [system] 'C'=')'
   Call: (214) [system] 'C'=end_of_file
   Fail: (214) [system] 'C'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _854104)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _855962)
   Exit: (216) [system] peek_char((0x55772f068e50), 'C')
   Call: (216) [system] 'C'=(;)
   Fail: (216) [system] 'C'=(;)
   Call: (216) [system] 'C'=(/)
   Fail: (216) [system] 'C'=(/)
^  Call: (216) [user] is_like_space('C')
   Call: (217) [system] char_type('C', 'white')
   Fail: (217) [system] char_type('C', 'white')
   Call: (217) [system] char_type('C', end_of_line)
   Fail: (217) [system] char_type('C', end_of_line)
   Call: (217) [system] char_type('C', space)
   Fail: (217) [system] char_type('C', space)
   Call: (217) [system] char_type('C', cntrl)
   Fail: (217) [system] char_type('C', cntrl)
^  Fail: (216) [user] is_like_space('C')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _871972)
   Exit: (215) [system] get_char((0x55772f068e50), 'C')
   Call: (215) [system] 'C'='('
   Fail: (215) [system] 'C'='('
   Call: (215) [system] 'C'='['
   Fail: (215) [system] 'C'='['
   Call: (215) [system] 'C'='{'
   Fail: (215) [system] 'C'='{'
   Call: (215) [system] 'C'='"'
   Fail: (215) [system] 'C'='"'
   Call: (215) [system] 'C'=!
   Fail: (215) [system] 'C'=!
   Call: (215) [system] 'C'='\''
   Fail: (215) [system] 'C'='\''
   Call: (215) [system] 'C'='`'
   Fail: (215) [system] 'C'='`'
   Call: (215) [system] 'C'=end_of_file
   Fail: (215) [system] 'C'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x55772f068e50), 'C', _854104)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _889614)
   Call: (217) [system] peek_char((0x55772f068e50), _890548)
   Exit: (217) [system] peek_char((0x55772f068e50), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _889614=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (216) [user] classify_and_convert_charseq(['C'], _854104)
^  Call: (217) [user] classify_and_convert_charseq_(['C'], _899832)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_900784, _900786), once(user:catch(read_from_chars(['C'], _899832), _900766, fail)), '$restore_trace'(_900784, _900786))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_900784, _900786))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _899832), _900766, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_899832)
   Fail: (218) [system] atomic(_899832)
   Call: (218) [system] atom_chars(_899832, ['C'])
   Exit: (218) [system] atom_chars('C', ['C'])
^  Exit: (217) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (217) [system] integer('C')
   Fail: (217) [system] integer('C')
   Call: (217) [system] _854104='C'
   Exit: (217) [system] 'C'='C'
^  Exit: (216) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (215) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (214) [user] read_list(')', (0x55772f068e50), _914782)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _916640)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x55772f068e50), _926234)
   Exit: (216) [system] get_char((0x55772f068e50), ' ')
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _928938)
   Exit: (217) [system] peek_char((0x55772f068e50), 'D')
   Call: (217) [system] 'D'=(;)
   Fail: (217) [system] 'D'=(;)
   Call: (217) [system] 'D'=(/)
   Fail: (217) [system] 'D'=(/)
^  Call: (217) [user] is_like_space('D')
   Call: (218) [system] char_type('D', 'white')
   Fail: (218) [system] char_type('D', 'white')
   Call: (218) [system] char_type('D', end_of_line)
   Fail: (218) [system] char_type('D', end_of_line)
   Call: (218) [system] char_type('D', space)
   Fail: (218) [system] char_type('D', space)
   Call: (218) [system] char_type('D', cntrl)
   Fail: (218) [system] char_type('D', cntrl)
^  Fail: (217) [user] is_like_space('D')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _945872)
   Exit: (215) [system] peek_char((0x55772f068e50), 'D')
   Call: (215) [system] 'D'=')'
   Fail: (215) [system] 'D'=')'
   Call: (215) [system] 'D'=end_of_file
   Fail: (215) [system] 'D'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x55772f068e50), _951442)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _953300)
   Exit: (217) [system] peek_char((0x55772f068e50), 'D')
   Call: (217) [system] 'D'=(;)
   Fail: (217) [system] 'D'=(;)
   Call: (217) [system] 'D'=(/)
   Fail: (217) [system] 'D'=(/)
^  Call: (217) [user] is_like_space('D')
   Call: (218) [system] char_type('D', 'white')
   Fail: (218) [system] char_type('D', 'white')
   Call: (218) [system] char_type('D', end_of_line)
   Fail: (218) [system] char_type('D', end_of_line)
   Call: (218) [system] char_type('D', space)
   Fail: (218) [system] char_type('D', space)
   Call: (218) [system] char_type('D', cntrl)
   Fail: (218) [system] char_type('D', cntrl)
^  Fail: (217) [user] is_like_space('D')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] get_char((0x55772f068e50), _969310)
   Exit: (216) [system] get_char((0x55772f068e50), 'D')
   Call: (216) [system] 'D'='('
   Fail: (216) [system] 'D'='('
   Call: (216) [system] 'D'='['
   Fail: (216) [system] 'D'='['
   Call: (216) [system] 'D'='{'
   Fail: (216) [system] 'D'='{'
   Call: (216) [system] 'D'='"'
   Fail: (216) [system] 'D'='"'
   Call: (216) [system] 'D'=!
   Fail: (216) [system] 'D'=!
   Call: (216) [system] 'D'='\''
   Fail: (216) [system] 'D'='\''
   Call: (216) [system] 'D'='`'
   Fail: (216) [system] 'D'='`'
   Call: (216) [system] 'D'=end_of_file
   Fail: (216) [system] 'D'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x55772f068e50), 'D', _951442)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _986952)
   Call: (218) [system] peek_char((0x55772f068e50), _987886)
   Exit: (218) [system] peek_char((0x55772f068e50), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_992606, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _986952=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (217) [user] classify_and_convert_charseq(['D'], _951442)
^  Call: (218) [user] classify_and_convert_charseq_(['D'], _999042)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_999994, _999996), once(user:catch(read_from_chars(['D'], _999042), _999976, fail)), '$restore_trace'(_999994, _999996))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_999994, _999996))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _999042), _999976, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_999042)
   Fail: (219) [system] atomic(_999042)
   Call: (219) [system] atom_chars(_999042, ['D'])
   Exit: (219) [system] atom_chars('D', ['D'])
^  Exit: (218) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (218) [system] integer('D')
   Fail: (218) [system] integer('D')
   Call: (218) [system] _951442='D'
   Exit: (218) [system] 'D'='D'
^  Exit: (217) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (216) [user] read_symbolic(')', (0x55772f068e50), 'D', 'D')
^  Exit: (215) [user] cont_sexpr(')', (0x55772f068e50), 'D')
^  Call: (215) [user] read_list(')', (0x55772f068e50), _1013992)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1015850)
   Exit: (217) [system] peek_char((0x55772f068e50), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
   Call: (217) [system] ')'=(/)
   Fail: (217) [system] ')'=(/)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1031860)
   Exit: (216) [system] peek_char((0x55772f068e50), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x55772f068e50), _1035650)
   Exit: (216) [system] get_char((0x55772f068e50), ')')
   Call: (216) [system] _1013992=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x55772f068e50), [])
   Call: (215) [system] _914782=['D']
   Exit: (215) [system] ['D']=['D']
^  Exit: (214) [user] read_list(')', (0x55772f068e50), ['D'])
   Call: (214) [system] _817444=['C', 'D']
   Exit: (214) [system] ['C', 'D']=['C', 'D']
^  Exit: (213) [user] read_list(')', (0x55772f068e50), ['C', 'D'])
   Call: (213) [system] _628098=['OrLink', 'C', 'D']
   Exit: (213) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (212) [user] read_list(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Exit: (211) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Call: (211) [user] read_list(')', (0x55772f068e50), _1049532)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1051390)
   Exit: (213) [system] peek_char((0x55772f068e50), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x55772f068e50), _1060984)
   Exit: (213) [system] get_char((0x55772f068e50), ' ')
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1063688)
   Exit: (214) [system] peek_char((0x55772f068e50), 'E')
   Call: (214) [system] 'E'=(;)
   Fail: (214) [system] 'E'=(;)
   Call: (214) [system] 'E'=(/)
   Fail: (214) [system] 'E'=(/)
^  Call: (214) [user] is_like_space('E')
   Call: (215) [system] char_type('E', 'white')
   Fail: (215) [system] char_type('E', 'white')
   Call: (215) [system] char_type('E', end_of_line)
   Fail: (215) [system] char_type('E', end_of_line)
   Call: (215) [system] char_type('E', space)
   Fail: (215) [system] char_type('E', space)
   Call: (215) [system] char_type('E', cntrl)
   Fail: (215) [system] char_type('E', cntrl)
^  Fail: (214) [user] is_like_space('E')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1080622)
   Exit: (212) [system] peek_char((0x55772f068e50), 'E')
   Call: (212) [system] 'E'=')'
   Fail: (212) [system] 'E'=')'
   Call: (212) [system] 'E'=end_of_file
   Fail: (212) [system] 'E'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x55772f068e50), _1086192)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1088050)
   Exit: (214) [system] peek_char((0x55772f068e50), 'E')
   Call: (214) [system] 'E'=(;)
   Fail: (214) [system] 'E'=(;)
   Call: (214) [system] 'E'=(/)
   Fail: (214) [system] 'E'=(/)
^  Call: (214) [user] is_like_space('E')
   Call: (215) [system] char_type('E', 'white')
   Fail: (215) [system] char_type('E', 'white')
   Call: (215) [system] char_type('E', end_of_line)
   Fail: (215) [system] char_type('E', end_of_line)
   Call: (215) [system] char_type('E', space)
   Fail: (215) [system] char_type('E', space)
   Call: (215) [system] char_type('E', cntrl)
   Fail: (215) [system] char_type('E', cntrl)
^  Fail: (214) [user] is_like_space('E')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] get_char((0x55772f068e50), _1104060)
   Exit: (213) [system] get_char((0x55772f068e50), 'E')
   Call: (213) [system] 'E'='('
   Fail: (213) [system] 'E'='('
   Call: (213) [system] 'E'='['
   Fail: (213) [system] 'E'='['
   Call: (213) [system] 'E'='{'
   Fail: (213) [system] 'E'='{'
   Call: (213) [system] 'E'='"'
   Fail: (213) [system] 'E'='"'
   Call: (213) [system] 'E'=!
   Fail: (213) [system] 'E'=!
   Call: (213) [system] 'E'='\''
   Fail: (213) [system] 'E'='\''
   Call: (213) [system] 'E'='`'
   Fail: (213) [system] 'E'='`'
   Call: (213) [system] 'E'=end_of_file
   Fail: (213) [system] 'E'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x55772f068e50), 'E', _1086192)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1121702)
   Call: (215) [system] peek_char((0x55772f068e50), _1122636)
   Exit: (215) [system] peek_char((0x55772f068e50), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_1127356, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _1121702=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (214) [user] classify_and_convert_charseq(['E'], _1086192)
^  Call: (215) [user] classify_and_convert_charseq_(['E'], _1133792)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1134744, _1134746), once(user:catch(read_from_chars(['E'], _1133792), _1134726, fail)), '$restore_trace'(_1134744, _1134746))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1134744, _1134746))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1133792), _1134726, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1133792)
   Fail: (216) [system] atomic(_1133792)
   Call: (216) [system] atom_chars(_1133792, ['E'])
   Exit: (216) [system] atom_chars('E', ['E'])
^  Exit: (215) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (215) [system] integer('E')
   Fail: (215) [system] integer('E')
   Call: (215) [system] _1086192='E'
   Exit: (215) [system] 'E'='E'
^  Exit: (214) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (213) [user] read_symbolic(')', (0x55772f068e50), 'E', 'E')
^  Exit: (212) [user] cont_sexpr(')', (0x55772f068e50), 'E')
^  Call: (212) [user] read_list(')', (0x55772f068e50), _1148742)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1150600)
   Exit: (214) [system] peek_char((0x55772f068e50), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
   Call: (214) [system] ')'=(/)
   Fail: (214) [system] ')'=(/)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1166610)
   Exit: (213) [system] peek_char((0x55772f068e50), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x55772f068e50), _1170400)
   Exit: (213) [system] get_char((0x55772f068e50), ')')
   Call: (213) [system] _1148742=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x55772f068e50), [])
   Call: (212) [system] _1049532=['E']
   Exit: (212) [system] ['E']=['E']
^  Exit: (211) [user] read_list(')', (0x55772f068e50), ['E'])
   Call: (211) [system] _591438=[['OrLink', 'C', 'D'], 'E']
   Exit: (211) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (210) [user] read_list(')', (0x55772f068e50), [['OrLink', 'C', 'D'], 'E'])
   Call: (210) [system] _318442=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (210) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (209) [user] read_list(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (208) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (208) [user] read_list(')', (0x55772f068e50), _1184282)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1186140)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x55772f068e50), _1195734)
   Exit: (210) [system] get_char((0x55772f068e50), ' ')
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1198438)
   Exit: (211) [system] peek_char((0x55772f068e50), 'B')
   Call: (211) [system] 'B'=(;)
   Fail: (211) [system] 'B'=(;)
   Call: (211) [system] 'B'=(/)
   Fail: (211) [system] 'B'=(/)
^  Call: (211) [user] is_like_space('B')
   Call: (212) [system] char_type('B', 'white')
   Fail: (212) [system] char_type('B', 'white')
   Call: (212) [system] char_type('B', end_of_line)
   Fail: (212) [system] char_type('B', end_of_line)
   Call: (212) [system] char_type('B', space)
   Fail: (212) [system] char_type('B', space)
   Call: (212) [system] char_type('B', cntrl)
   Fail: (212) [system] char_type('B', cntrl)
^  Fail: (211) [user] is_like_space('B')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1215372)
   Exit: (209) [system] peek_char((0x55772f068e50), 'B')
   Call: (209) [system] 'B'=')'
   Fail: (209) [system] 'B'=')'
   Call: (209) [system] 'B'=end_of_file
   Fail: (209) [system] 'B'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x55772f068e50), _1220942)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1222800)
   Exit: (211) [system] peek_char((0x55772f068e50), 'B')
   Call: (211) [system] 'B'=(;)
   Fail: (211) [system] 'B'=(;)
   Call: (211) [system] 'B'=(/)
   Fail: (211) [system] 'B'=(/)
^  Call: (211) [user] is_like_space('B')
   Call: (212) [system] char_type('B', 'white')
   Fail: (212) [system] char_type('B', 'white')
   Call: (212) [system] char_type('B', end_of_line)
   Fail: (212) [system] char_type('B', end_of_line)
   Call: (212) [system] char_type('B', space)
   Fail: (212) [system] char_type('B', space)
   Call: (212) [system] char_type('B', cntrl)
   Fail: (212) [system] char_type('B', cntrl)
^  Fail: (211) [user] is_like_space('B')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] get_char((0x55772f068e50), _1238810)
   Exit: (210) [system] get_char((0x55772f068e50), 'B')
   Call: (210) [system] 'B'='('
   Fail: (210) [system] 'B'='('
   Call: (210) [system] 'B'='['
   Fail: (210) [system] 'B'='['
   Call: (210) [system] 'B'='{'
   Fail: (210) [system] 'B'='{'
   Call: (210) [system] 'B'='"'
   Fail: (210) [system] 'B'='"'
   Call: (210) [system] 'B'=!
   Fail: (210) [system] 'B'=!
   Call: (210) [system] 'B'='\''
   Fail: (210) [system] 'B'='\''
   Call: (210) [system] 'B'='`'
   Fail: (210) [system] 'B'='`'
   Call: (210) [system] 'B'=end_of_file
   Fail: (210) [system] 'B'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x55772f068e50), 'B', _1220942)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1256452)
   Call: (212) [system] peek_char((0x55772f068e50), _1257386)
   Exit: (212) [system] peek_char((0x55772f068e50), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_1262106, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _1256452=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (211) [user] classify_and_convert_charseq(['B'], _1220942)
^  Call: (212) [user] classify_and_convert_charseq_(['B'], _1268542)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1269494, _1269496), once(user:catch(read_from_chars(['B'], _1268542), _1269476, fail)), '$restore_trace'(_1269494, _1269496))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1269494, _1269496))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1268542), _1269476, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1268542)
   Fail: (213) [system] atomic(_1268542)
   Call: (213) [system] atom_chars(_1268542, ['B'])
   Exit: (213) [system] atom_chars('B', ['B'])
^  Exit: (212) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (212) [system] integer('B')
   Fail: (212) [system] integer('B')
   Call: (212) [system] _1220942='B'
   Exit: (212) [system] 'B'='B'
^  Exit: (211) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (210) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (209) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (209) [user] read_list(')', (0x55772f068e50), _1283492)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1285350)
   Exit: (211) [system] peek_char((0x55772f068e50), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
   Call: (211) [system] ')'=(/)
   Fail: (211) [system] ')'=(/)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1301360)
   Exit: (210) [system] peek_char((0x55772f068e50), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x55772f068e50), _1305150)
   Exit: (210) [system] get_char((0x55772f068e50), ')')
   Call: (210) [system] _1283492=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x55772f068e50), [])
   Call: (209) [system] _1184282=['B']
   Exit: (209) [system] ['B']=['B']
^  Exit: (208) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (208) [system] _281782=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
   Exit: (208) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
^  Exit: (207) [user] read_list(')', (0x55772f068e50), [['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
   Call: (207) [system] _75706=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
   Exit: (207) [system] ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
^  Exit: (206) [user] read_list(')', (0x55772f068e50), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
^  Exit: (205) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
^  Call: (205) [user] read_list(')', (0x55772f068e50), _1319032)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1320890)
   Exit: (207) [system] peek_char((0x55772f068e50), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
   Call: (207) [system] ')'=(/)
   Fail: (207) [system] ')'=(/)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1336900)
   Exit: (206) [system] peek_char((0x55772f068e50), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x55772f068e50), _1340690)
   Exit: (206) [system] get_char((0x55772f068e50), ')')
   Call: (206) [system] _1319032=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x55772f068e50), [])
   Call: (205) [system] _39046=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (205) [system] [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (204) [user] read_list(')', (0x55772f068e50), [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
   Call: (204) [system] _4446=[['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (204) [system] [['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (203) [user] read_list(')', (0x55772f068e50), [['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
   Call: (203) [system] _4438=[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (203) [system] [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (202) [user] read_list(')', (0x55772f068e50), [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
^  Call: (201) [user] read_list(')', (0x55772f068e50), _1354572)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1356430)
   Exit: (203) [system] peek_char((0x55772f068e50), '\n')
   Call: (203) [system] '\n'=(;)
   Fail: (203) [system] '\n'=(;)
   Call: (203) [system] '\n'=(/)
   Fail: (203) [system] '\n'=(/)
^  Call: (203) [user] is_like_space('\n')
   Call: (204) [system] char_type('\n', 'white')
   Fail: (204) [system] char_type('\n', 'white')
   Call: (204) [system] char_type('\n', end_of_line)
   Exit: (204) [system] char_type('\n', end_of_line)
^  Exit: (203) [user] is_like_space('\n')
   Call: (203) [system] get_char((0x55772f068e50), _1367880)
   Exit: (203) [system] get_char((0x55772f068e50), '\n')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1370584)
   Exit: (204) [system] peek_char((0x55772f068e50), '\t')
   Call: (204) [system] '\t'=(;)
   Fail: (204) [system] '\t'=(;)
   Call: (204) [system] '\t'=(/)
   Fail: (204) [system] '\t'=(/)
^  Call: (204) [user] is_like_space('\t')
   Call: (205) [system] char_type('\t', 'white')
   Exit: (205) [system] char_type('\t', 'white')
^  Exit: (204) [user] is_like_space('\t')
   Call: (204) [system] get_char((0x55772f068e50), _1380178)
   Exit: (204) [system] get_char((0x55772f068e50), '\t')
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1382882)
   Exit: (205) [system] peek_char((0x55772f068e50), '\t')
   Call: (205) [system] '\t'=(;)
   Fail: (205) [system] '\t'=(;)
   Call: (205) [system] '\t'=(/)
   Fail: (205) [system] '\t'=(/)
^  Call: (205) [user] is_like_space('\t')
   Call: (206) [system] char_type('\t', 'white')
   Exit: (206) [system] char_type('\t', 'white')
^  Exit: (205) [user] is_like_space('\t')
   Call: (205) [system] get_char((0x55772f068e50), _1392476)
   Exit: (205) [system] get_char((0x55772f068e50), '\t')
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1395180)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x55772f068e50), _1404774)
   Exit: (206) [system] get_char((0x55772f068e50), ' ')
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1407478)
   Exit: (207) [system] peek_char((0x55772f068e50), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1427184)
   Exit: (202) [system] peek_char((0x55772f068e50), '(')
   Call: (202) [system] '('=')'
   Fail: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
   Fail: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x55772f068e50), _1432754)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1434612)
   Exit: (204) [system] peek_char((0x55772f068e50), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] get_char((0x55772f068e50), _1450622)
   Exit: (203) [system] get_char((0x55772f068e50), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x55772f068e50), _1432754)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1456192)
   Exit: (205) [system] peek_char((0x55772f068e50), :)
   Call: (205) [system] (:)=(;)
   Fail: (205) [system] (:)=(;)
   Call: (205) [system] (:)=(/)
   Fail: (205) [system] (:)=(/)
^  Call: (205) [user] is_like_space(:)
   Call: (206) [system] char_type(:, 'white')
   Fail: (206) [system] char_type(:, 'white')
   Call: (206) [system] char_type(:, end_of_line)
   Fail: (206) [system] char_type(:, end_of_line)
   Call: (206) [system] char_type(:, space)
   Fail: (206) [system] char_type(:, space)
   Call: (206) [system] char_type(:, cntrl)
   Fail: (206) [system] char_type(:, cntrl)
^  Fail: (205) [user] is_like_space(:)
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1472202)
   Exit: (204) [system] peek_char((0x55772f068e50), :)
   Call: (204) [system] (:)=')'
   Fail: (204) [system] (:)=')'
   Call: (204) [system] (:)=end_of_file
   Fail: (204) [system] (:)=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x55772f068e50), _1477772)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1479630)
   Exit: (206) [system] peek_char((0x55772f068e50), :)
   Call: (206) [system] (:)=(;)
   Fail: (206) [system] (:)=(;)
   Call: (206) [system] (:)=(/)
   Fail: (206) [system] (:)=(/)
^  Call: (206) [user] is_like_space(:)
   Call: (207) [system] char_type(:, 'white')
   Fail: (207) [system] char_type(:, 'white')
   Call: (207) [system] char_type(:, end_of_line)
   Fail: (207) [system] char_type(:, end_of_line)
   Call: (207) [system] char_type(:, space)
   Fail: (207) [system] char_type(:, space)
   Call: (207) [system] char_type(:, cntrl)
   Fail: (207) [system] char_type(:, cntrl)
^  Fail: (206) [user] is_like_space(:)
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] get_char((0x55772f068e50), _1495640)
   Exit: (205) [system] get_char((0x55772f068e50), :)
   Call: (205) [system] (:)='('
   Fail: (205) [system] (:)='('
   Call: (205) [system] (:)='['
   Fail: (205) [system] (:)='['
   Call: (205) [system] (:)='{'
   Fail: (205) [system] (:)='{'
   Call: (205) [system] (:)='"'
   Fail: (205) [system] (:)='"'
   Call: (205) [system] (:)=!
   Fail: (205) [system] (:)=!
   Call: (205) [system] (:)='\''
   Fail: (205) [system] (:)='\''
   Call: (205) [system] (:)='`'
   Fail: (205) [system] (:)='`'
   Call: (205) [system] (:)=end_of_file
   Fail: (205) [system] (:)=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x55772f068e50), :, _1477772)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1513282)
   Call: (207) [system] peek_char((0x55772f068e50), _1514216)
   Exit: (207) [system] peek_char((0x55772f068e50), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1513282=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (206) [user] classify_and_convert_charseq([:], _1477772)
^  Call: (207) [user] classify_and_convert_charseq_([:], _1523500)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1524452, _1524454), once(user:catch(read_from_chars([:], _1523500), _1524434, fail)), '$restore_trace'(_1524452, _1524454))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1524452, _1524454))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1524434, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(:)
   Exit: (208) [system] atomic(:)
^  Exit: (207) [user] classify_and_convert_charseq_([:], :)
   Call: (207) [system] integer(:)
   Fail: (207) [system] integer(:)
   Call: (207) [system] _1477772=(:)
   Exit: (207) [system] (:)=(:)
^  Exit: (206) [user] classify_and_convert_charseq([:], :)
^  Exit: (205) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (204) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (204) [user] read_list(')', (0x55772f068e50), _1536580)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1538438)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x55772f068e50), _1548032)
   Exit: (206) [system] get_char((0x55772f068e50), ' ')
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1550736)
   Exit: (207) [system] peek_char((0x55772f068e50), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1567670)
   Exit: (205) [system] peek_char((0x55772f068e50), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x55772f068e50), _1573240)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1575098)
   Exit: (207) [system] peek_char((0x55772f068e50), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] get_char((0x55772f068e50), _1591108)
   Exit: (206) [system] get_char((0x55772f068e50), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x55772f068e50), _1573240)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1596678)
   Exit: (208) [system] peek_char((0x55772f068e50), 'C')
   Call: (208) [system] 'C'=(;)
   Fail: (208) [system] 'C'=(;)
   Call: (208) [system] 'C'=(/)
   Fail: (208) [system] 'C'=(/)
^  Call: (208) [user] is_like_space('C')
   Call: (209) [system] char_type('C', 'white')
   Fail: (209) [system] char_type('C', 'white')
   Call: (209) [system] char_type('C', end_of_line)
   Fail: (209) [system] char_type('C', end_of_line)
   Call: (209) [system] char_type('C', space)
   Fail: (209) [system] char_type('C', space)
   Call: (209) [system] char_type('C', cntrl)
   Fail: (209) [system] char_type('C', cntrl)
^  Fail: (208) [user] is_like_space('C')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1612688)
   Exit: (207) [system] peek_char((0x55772f068e50), 'C')
   Call: (207) [system] 'C'=')'
   Fail: (207) [system] 'C'=')'
   Call: (207) [system] 'C'=end_of_file
   Fail: (207) [system] 'C'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x55772f068e50), _1618258)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1620116)
   Exit: (209) [system] peek_char((0x55772f068e50), 'C')
   Call: (209) [system] 'C'=(;)
   Fail: (209) [system] 'C'=(;)
   Call: (209) [system] 'C'=(/)
   Fail: (209) [system] 'C'=(/)
^  Call: (209) [user] is_like_space('C')
   Call: (210) [system] char_type('C', 'white')
   Fail: (210) [system] char_type('C', 'white')
   Call: (210) [system] char_type('C', end_of_line)
   Fail: (210) [system] char_type('C', end_of_line)
   Call: (210) [system] char_type('C', space)
   Fail: (210) [system] char_type('C', space)
   Call: (210) [system] char_type('C', cntrl)
   Fail: (210) [system] char_type('C', cntrl)
^  Fail: (209) [user] is_like_space('C')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] get_char((0x55772f068e50), _1636126)
   Exit: (208) [system] get_char((0x55772f068e50), 'C')
   Call: (208) [system] 'C'='('
   Fail: (208) [system] 'C'='('
   Call: (208) [system] 'C'='['
   Fail: (208) [system] 'C'='['
   Call: (208) [system] 'C'='{'
   Fail: (208) [system] 'C'='{'
   Call: (208) [system] 'C'='"'
   Fail: (208) [system] 'C'='"'
   Call: (208) [system] 'C'=!
   Fail: (208) [system] 'C'=!
   Call: (208) [system] 'C'='\''
   Fail: (208) [system] 'C'='\''
   Call: (208) [system] 'C'='`'
   Fail: (208) [system] 'C'='`'
   Call: (208) [system] 'C'=end_of_file
   Fail: (208) [system] 'C'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x55772f068e50), 'C', _1618258)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1653768)
   Call: (210) [system] peek_char((0x55772f068e50), _1654702)
   Exit: (210) [system] peek_char((0x55772f068e50), o)
^  Call: (210) [user] is_delimiter(o)
   Call: (211) [system] char_type(o, space)
   Fail: (211) [system] char_type(o, space)
   Call: (211) [system] arg(_1659422, v('(', ')', end_of_file), o)
   Fail: (211) [system] arg(_1660354, v('(', ')', end_of_file), o)
^  Fail: (210) [user] is_delimiter(o)
   Call: (210) [system] ')'==o
   Fail: (210) [system] ')'==o
   Call: (210) [system] get_char((0x55772f068e50), o)
   Exit: (210) [system] get_char((0x55772f068e50), o)
   Call: (210) [system] o=(\)
   Fail: (210) [system] o=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1667704)
   Call: (211) [system] peek_char((0x55772f068e50), _1668638)
   Exit: (211) [system] peek_char((0x55772f068e50), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_1673358, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_1674290, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x55772f068e50), n)
   Exit: (211) [system] get_char((0x55772f068e50), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1681640)
   Call: (212) [system] peek_char((0x55772f068e50), _1682574)
   Exit: (212) [system] peek_char((0x55772f068e50), j)
^  Call: (212) [user] is_delimiter(j)
   Call: (213) [system] char_type(j, space)
   Fail: (213) [system] char_type(j, space)
   Call: (213) [system] arg(_1687294, v('(', ')', end_of_file), j)
   Fail: (213) [system] arg(_1688226, v('(', ')', end_of_file), j)
^  Fail: (212) [user] is_delimiter(j)
   Call: (212) [system] ')'==j
   Fail: (212) [system] ')'==j
   Call: (212) [system] get_char((0x55772f068e50), j)
   Exit: (212) [system] get_char((0x55772f068e50), j)
   Call: (212) [system] j=(\)
   Fail: (212) [system] j=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1695576)
   Call: (213) [system] peek_char((0x55772f068e50), _1696510)
   Exit: (213) [system] peek_char((0x55772f068e50), u)
^  Call: (213) [user] is_delimiter(u)
   Call: (214) [system] char_type(u, space)
   Fail: (214) [system] char_type(u, space)
   Call: (214) [system] arg(_1701230, v('(', ')', end_of_file), u)
   Fail: (214) [system] arg(_1702162, v('(', ')', end_of_file), u)
^  Fail: (213) [user] is_delimiter(u)
   Call: (213) [system] ')'==u
   Fail: (213) [system] ')'==u
   Call: (213) [system] get_char((0x55772f068e50), u)
   Exit: (213) [system] get_char((0x55772f068e50), u)
   Call: (213) [system] u=(\)
   Fail: (213) [system] u=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1709512)
   Call: (214) [system] peek_char((0x55772f068e50), _1710446)
   Exit: (214) [system] peek_char((0x55772f068e50), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1715166, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1716098, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x55772f068e50), n)
   Exit: (214) [system] get_char((0x55772f068e50), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1723448)
   Call: (215) [system] peek_char((0x55772f068e50), _1724382)
   Exit: (215) [system] peek_char((0x55772f068e50), c)
^  Call: (215) [user] is_delimiter(c)
   Call: (216) [system] char_type(c, space)
   Fail: (216) [system] char_type(c, space)
   Call: (216) [system] arg(_1729102, v('(', ')', end_of_file), c)
   Fail: (216) [system] arg(_1730034, v('(', ')', end_of_file), c)
^  Fail: (215) [user] is_delimiter(c)
   Call: (215) [system] ')'==c
   Fail: (215) [system] ')'==c
   Call: (215) [system] get_char((0x55772f068e50), c)
   Exit: (215) [system] get_char((0x55772f068e50), c)
   Call: (215) [system] c=(\)
   Fail: (215) [system] c=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1737384)
   Call: (216) [system] peek_char((0x55772f068e50), _1738318)
   Exit: (216) [system] peek_char((0x55772f068e50), t)
^  Call: (216) [user] is_delimiter(t)
   Call: (217) [system] char_type(t, space)
   Fail: (217) [system] char_type(t, space)
   Call: (217) [system] arg(_1743038, v('(', ')', end_of_file), t)
   Fail: (217) [system] arg(_1743970, v('(', ')', end_of_file), t)
^  Fail: (216) [user] is_delimiter(t)
   Call: (216) [system] ')'==t
   Fail: (216) [system] ')'==t
   Call: (216) [system] get_char((0x55772f068e50), t)
   Exit: (216) [system] get_char((0x55772f068e50), t)
   Call: (216) [system] t=(\)
   Fail: (216) [system] t=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1751320)
   Call: (217) [system] peek_char((0x55772f068e50), _1752254)
   Exit: (217) [system] peek_char((0x55772f068e50), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1756974, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1757906, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x55772f068e50), i)
   Exit: (217) [system] get_char((0x55772f068e50), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1765256)
   Call: (218) [system] peek_char((0x55772f068e50), _1766190)
   Exit: (218) [system] peek_char((0x55772f068e50), o)
^  Call: (218) [user] is_delimiter(o)
   Call: (219) [system] char_type(o, space)
   Fail: (219) [system] char_type(o, space)
   Call: (219) [system] arg(_1770910, v('(', ')', end_of_file), o)
   Fail: (219) [system] arg(_1771842, v('(', ')', end_of_file), o)
^  Fail: (218) [user] is_delimiter(o)
   Call: (218) [system] ')'==o
   Fail: (218) [system] ')'==o
   Call: (218) [system] get_char((0x55772f068e50), o)
   Exit: (218) [system] get_char((0x55772f068e50), o)
   Call: (218) [system] o=(\)
   Fail: (218) [system] o=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1779192)
   Call: (219) [system] peek_char((0x55772f068e50), _1780126)
   Exit: (219) [system] peek_char((0x55772f068e50), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1784846, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1785778, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x55772f068e50), n)
   Exit: (219) [system] get_char((0x55772f068e50), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1793128)
   Call: (220) [system] peek_char((0x55772f068e50), _1794062)
   Exit: (220) [system] peek_char((0x55772f068e50), 'I')
^  Call: (220) [user] is_delimiter('I')
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] arg(_1798782, v('(', ')', end_of_file), 'I')
   Fail: (221) [system] arg(_1799714, v('(', ')', end_of_file), 'I')
^  Fail: (220) [user] is_delimiter('I')
   Call: (220) [system] ')'=='I'
   Fail: (220) [system] ')'=='I'
   Call: (220) [system] get_char((0x55772f068e50), 'I')
   Exit: (220) [system] get_char((0x55772f068e50), 'I')
   Call: (220) [system] 'I'=(\)
   Fail: (220) [system] 'I'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1807064)
   Call: (221) [system] peek_char((0x55772f068e50), _1807998)
   Exit: (221) [system] peek_char((0x55772f068e50), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1812718, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1813650, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x55772f068e50), n)
   Exit: (221) [system] get_char((0x55772f068e50), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1821000)
   Call: (222) [system] peek_char((0x55772f068e50), _1821934)
   Exit: (222) [system] peek_char((0x55772f068e50), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_1826654, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_1827586, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x55772f068e50), t)
   Exit: (222) [system] get_char((0x55772f068e50), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1834936)
   Call: (223) [system] peek_char((0x55772f068e50), _1835870)
   Exit: (223) [system] peek_char((0x55772f068e50), r)
^  Call: (223) [user] is_delimiter(r)
   Call: (224) [system] char_type(r, space)
   Fail: (224) [system] char_type(r, space)
   Call: (224) [system] arg(_1840590, v('(', ')', end_of_file), r)
   Fail: (224) [system] arg(_1841522, v('(', ')', end_of_file), r)
^  Fail: (223) [user] is_delimiter(r)
   Call: (223) [system] ')'==r
   Fail: (223) [system] ')'==r
   Call: (223) [system] get_char((0x55772f068e50), r)
   Exit: (223) [system] get_char((0x55772f068e50), r)
   Call: (223) [system] r=(\)
   Fail: (223) [system] r=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1848872)
   Call: (224) [system] peek_char((0x55772f068e50), _1849806)
   Exit: (224) [system] peek_char((0x55772f068e50), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_1854526, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_1855458, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x55772f068e50), o)
   Exit: (224) [system] get_char((0x55772f068e50), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1862808)
   Call: (225) [system] peek_char((0x55772f068e50), _1863742)
   Exit: (225) [system] peek_char((0x55772f068e50), d)
^  Call: (225) [user] is_delimiter(d)
   Call: (226) [system] char_type(d, space)
   Fail: (226) [system] char_type(d, space)
   Call: (226) [system] arg(_1868462, v('(', ')', end_of_file), d)
   Fail: (226) [system] arg(_1869394, v('(', ')', end_of_file), d)
^  Fail: (225) [user] is_delimiter(d)
   Call: (225) [system] ')'==d
   Fail: (225) [system] ')'==d
   Call: (225) [system] get_char((0x55772f068e50), d)
   Exit: (225) [system] get_char((0x55772f068e50), d)
   Call: (225) [system] d=(\)
   Fail: (225) [system] d=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1876744)
   Call: (226) [system] peek_char((0x55772f068e50), _1877678)
   Exit: (226) [system] peek_char((0x55772f068e50), u)
^  Call: (226) [user] is_delimiter(u)
   Call: (227) [system] char_type(u, space)
   Fail: (227) [system] char_type(u, space)
   Call: (227) [system] arg(_1882398, v('(', ')', end_of_file), u)
   Fail: (227) [system] arg(_1883330, v('(', ')', end_of_file), u)
^  Fail: (226) [user] is_delimiter(u)
   Call: (226) [system] ')'==u
   Fail: (226) [system] ')'==u
   Call: (226) [system] get_char((0x55772f068e50), u)
   Exit: (226) [system] get_char((0x55772f068e50), u)
   Call: (226) [system] u=(\)
   Fail: (226) [system] u=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1890680)
   Call: (227) [system] peek_char((0x55772f068e50), _1891614)
   Exit: (227) [system] peek_char((0x55772f068e50), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_1896334, v('(', ')', end_of_file), c)
   Fail: (228) [system] arg(_1897266, v('(', ')', end_of_file), c)
^  Fail: (227) [user] is_delimiter(c)
   Call: (227) [system] ')'==c
   Fail: (227) [system] ')'==c
   Call: (227) [system] get_char((0x55772f068e50), c)
   Exit: (227) [system] get_char((0x55772f068e50), c)
   Call: (227) [system] c=(\)
   Fail: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1904616)
   Call: (228) [system] peek_char((0x55772f068e50), _1905550)
   Exit: (228) [system] peek_char((0x55772f068e50), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_1910270, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_1911202, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x55772f068e50), t)
   Exit: (228) [system] get_char((0x55772f068e50), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1918552)
   Call: (229) [system] peek_char((0x55772f068e50), _1919486)
   Exit: (229) [system] peek_char((0x55772f068e50), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1924206, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1925138, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x55772f068e50), i)
   Exit: (229) [system] get_char((0x55772f068e50), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1932488)
   Call: (230) [system] peek_char((0x55772f068e50), _1933422)
   Exit: (230) [system] peek_char((0x55772f068e50), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_1938142, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_1939074, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x55772f068e50), o)
   Exit: (230) [system] get_char((0x55772f068e50), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1946424)
   Call: (231) [system] peek_char((0x55772f068e50), _1947358)
   Exit: (231) [system] peek_char((0x55772f068e50), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1952078, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1953010, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x55772f068e50), n)
   Exit: (231) [system] get_char((0x55772f068e50), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1960360)
   Call: (232) [system] peek_char((0x55772f068e50), _1961294)
   Exit: (232) [system] peek_char((0x55772f068e50), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1960360=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (231) [system] _1946424=[n]
   Exit: (231) [system] [n]=[n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (230) [system] _1932488=[o, n]
   Exit: (230) [system] [o, n]=[o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (229) [system] _1918552=[i, o, n]
   Exit: (229) [system] [i, o, n]=[i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (228) [system] _1904616=[t, i, o, n]
   Exit: (228) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (227) [system] _1890680=[c, t, i, o, n]
   Exit: (227) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (226) [system] _1876744=[u, c, t, i, o, n]
   Exit: (226) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (225) [system] _1862808=[d, u, c, t, i, o, n]
   Exit: (225) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (224) [system] _1848872=[o, d, u, c, t, i, o, n]
   Exit: (224) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (223) [system] _1834936=[r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1821000=[t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1807064=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1793128=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1779192=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1765256=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1751320=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1737384=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1723448=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1709512=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1695576=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1681640=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1667704=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1653768=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (209) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1618258)
^  Call: (210) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _2032046)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_2032998, _2033000), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _2032046), _2032980, fail)), '$restore_trace'(_2032998, _2033000))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_2032998, _2033000))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _2032046), _2032980, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_2032046)
   Fail: (211) [system] atomic(_2032046)
   Call: (211) [system] atom_chars(_2032046, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (211) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (210) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (210) [system] integer('ConjunctionIntroduction')
   Fail: (210) [system] integer('ConjunctionIntroduction')
   Call: (210) [system] _1618258='ConjunctionIntroduction'
   Exit: (210) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (209) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (208) [user] read_symbolic(')', (0x55772f068e50), 'C', 'ConjunctionIntroduction')
^  Exit: (207) [user] cont_sexpr(')', (0x55772f068e50), 'ConjunctionIntroduction')
^  Call: (207) [user] read_list(')', (0x55772f068e50), _2046996)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _2048854)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x55772f068e50), _2058448)
   Exit: (209) [system] get_char((0x55772f068e50), ' ')
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _2061152)
   Exit: (210) [system] peek_char((0x55772f068e50), a)
   Call: (210) [system] a=(;)
   Fail: (210) [system] a=(;)
   Call: (210) [system] a=(/)
   Fail: (210) [system] a=(/)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Fail: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Fail: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
   Fail: (211) [system] char_type(a, cntrl)
^  Fail: (210) [user] is_like_space(a)
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _2078086)
   Exit: (208) [system] peek_char((0x55772f068e50), a)
   Call: (208) [system] a=')'
   Fail: (208) [system] a=')'
   Call: (208) [system] a=end_of_file
   Fail: (208) [system] a=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x55772f068e50), _2083656)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _2085514)
   Exit: (210) [system] peek_char((0x55772f068e50), a)
   Call: (210) [system] a=(;)
   Fail: (210) [system] a=(;)
   Call: (210) [system] a=(/)
   Fail: (210) [system] a=(/)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Fail: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Fail: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
   Fail: (211) [system] char_type(a, cntrl)
^  Fail: (210) [user] is_like_space(a)
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] get_char((0x55772f068e50), _9142)
   Exit: (209) [system] get_char((0x55772f068e50), a)
   Call: (209) [system] a='('
   Fail: (209) [system] a='('
   Call: (209) [system] a='['
   Fail: (209) [system] a='['
   Call: (209) [system] a='{'
   Fail: (209) [system] a='{'
   Call: (209) [system] a='"'
   Fail: (209) [system] a='"'
   Call: (209) [system] a=!
   Fail: (209) [system] a=!
   Call: (209) [system] a='\''
   Fail: (209) [system] a='\''
   Call: (209) [system] a='`'
   Fail: (209) [system] a='`'
   Call: (209) [system] a=end_of_file
   Fail: (209) [system] a=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x55772f068e50), a, _4558)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _26784)
   Call: (211) [system] peek_char((0x55772f068e50), _27718)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _26784=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (210) [user] classify_and_convert_charseq([a], _4558)
^  Call: (211) [user] classify_and_convert_charseq_([a], _37002)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_37954, _37956), once(user:catch(read_from_chars([a], _37002), _37936, fail)), '$restore_trace'(_37954, _37956))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_37954, _37956))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _37936, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(a)
   Exit: (212) [system] atomic(a)
^  Exit: (211) [user] classify_and_convert_charseq_([a], a)
   Call: (211) [system] integer(a)
   Fail: (211) [system] integer(a)
   Call: (211) [system] _4558=a
   Exit: (211) [system] a=a
^  Exit: (210) [user] classify_and_convert_charseq([a], a)
^  Exit: (209) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (208) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (208) [user] read_list(')', (0x55772f068e50), _50082)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _51940)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x55772f068e50), _61534)
   Exit: (210) [system] get_char((0x55772f068e50), ' ')
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _64238)
   Exit: (211) [system] peek_char((0x55772f068e50), a)
   Call: (211) [system] a=(;)
   Fail: (211) [system] a=(;)
   Call: (211) [system] a=(/)
   Fail: (211) [system] a=(/)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Fail: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Fail: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
   Fail: (212) [system] char_type(a, cntrl)
^  Fail: (211) [user] is_like_space(a)
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _81172)
   Exit: (209) [system] peek_char((0x55772f068e50), a)
   Call: (209) [system] a=')'
   Fail: (209) [system] a=')'
   Call: (209) [system] a=end_of_file
   Fail: (209) [system] a=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x55772f068e50), _86742)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _88600)
   Exit: (211) [system] peek_char((0x55772f068e50), a)
   Call: (211) [system] a=(;)
   Fail: (211) [system] a=(;)
   Call: (211) [system] a=(/)
   Fail: (211) [system] a=(/)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Fail: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Fail: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
   Fail: (212) [system] char_type(a, cntrl)
^  Fail: (211) [user] is_like_space(a)
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] get_char((0x55772f068e50), _104610)
   Exit: (210) [system] get_char((0x55772f068e50), a)
   Call: (210) [system] a='('
   Fail: (210) [system] a='('
   Call: (210) [system] a='['
   Fail: (210) [system] a='['
   Call: (210) [system] a='{'
   Fail: (210) [system] a='{'
   Call: (210) [system] a='"'
   Fail: (210) [system] a='"'
   Call: (210) [system] a=!
   Fail: (210) [system] a=!
   Call: (210) [system] a='\''
   Fail: (210) [system] a='\''
   Call: (210) [system] a='`'
   Fail: (210) [system] a='`'
   Call: (210) [system] a=end_of_file
   Fail: (210) [system] a=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x55772f068e50), a, _86742)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _122252)
   Call: (212) [system] peek_char((0x55772f068e50), _123186)
   Exit: (212) [system] peek_char((0x55772f068e50), b)
^  Call: (212) [user] is_delimiter(b)
   Call: (213) [system] char_type(b, space)
   Fail: (213) [system] char_type(b, space)
   Call: (213) [system] arg(_127906, v('(', ')', end_of_file), b)
   Fail: (213) [system] arg(_128838, v('(', ')', end_of_file), b)
^  Fail: (212) [user] is_delimiter(b)
   Call: (212) [system] ')'==b
   Fail: (212) [system] ')'==b
   Call: (212) [system] get_char((0x55772f068e50), b)
   Exit: (212) [system] get_char((0x55772f068e50), b)
   Call: (212) [system] b=(\)
   Fail: (212) [system] b=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _136188)
   Call: (213) [system] peek_char((0x55772f068e50), _137122)
   Exit: (213) [system] peek_char((0x55772f068e50), c)
^  Call: (213) [user] is_delimiter(c)
   Call: (214) [system] char_type(c, space)
   Fail: (214) [system] char_type(c, space)
   Call: (214) [system] arg(_141842, v('(', ')', end_of_file), c)
   Fail: (214) [system] arg(_142774, v('(', ')', end_of_file), c)
^  Fail: (213) [user] is_delimiter(c)
   Call: (213) [system] ')'==c
   Fail: (213) [system] ')'==c
   Call: (213) [system] get_char((0x55772f068e50), c)
   Exit: (213) [system] get_char((0x55772f068e50), c)
   Call: (213) [system] c=(\)
   Fail: (213) [system] c=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _150124)
   Call: (214) [system] peek_char((0x55772f068e50), _151058)
   Exit: (214) [system] peek_char((0x55772f068e50), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_155778, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _150124=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (213) [system] _136188=[c]
   Exit: (213) [system] [c]=[c]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (212) [system] _122252=[b, c]
   Exit: (212) [system] [b, c]=[b, c]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (211) [user] classify_and_convert_charseq([a, b, c], _86742)
^  Call: (212) [user] classify_and_convert_charseq_([a, b, c], _167802)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_168754, _168756), once(user:catch(read_from_chars([a, b, c], _167802), _168736, fail)), '$restore_trace'(_168754, _168756))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_168754, _168756))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _168736, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(abc)
   Exit: (213) [system] atomic(abc)
^  Exit: (212) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (212) [system] integer(abc)
   Fail: (212) [system] integer(abc)
   Call: (212) [system] _86742=abc
   Exit: (212) [system] abc=abc
^  Exit: (211) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (210) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (209) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (209) [user] read_list(')', (0x55772f068e50), _180882)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _182740)
   Exit: (211) [system] peek_char((0x55772f068e50), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
   Call: (211) [system] ')'=(/)
   Fail: (211) [system] ')'=(/)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _198750)
   Exit: (210) [system] peek_char((0x55772f068e50), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x55772f068e50), _202540)
   Exit: (210) [system] get_char((0x55772f068e50), ')')
   Call: (210) [system] _180882=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x55772f068e50), [])
   Call: (209) [system] _50082=[abc]
   Exit: (209) [system] [abc]=[abc]
^  Exit: (208) [user] read_list(')', (0x55772f068e50), [abc])
   Call: (208) [system] _4554=[a, abc]
   Exit: (208) [system] [a, abc]=[a, abc]
^  Exit: (207) [user] read_list(')', (0x55772f068e50), [a, abc])
   Call: (207) [system] _4546=['ConjunctionIntroduction', a, abc]
   Exit: (207) [system] ['ConjunctionIntroduction', a, abc]=['ConjunctionIntroduction', a, abc]
^  Exit: (206) [user] read_list(')', (0x55772f068e50), ['ConjunctionIntroduction', a, abc])
^  Exit: (205) [user] cont_sexpr(')', (0x55772f068e50), ['ConjunctionIntroduction', a, abc])
^  Call: (205) [user] read_list(')', (0x55772f068e50), _216422)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _218280)
   Exit: (207) [system] peek_char((0x55772f068e50), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x55772f068e50), _227874)
   Exit: (207) [system] get_char((0x55772f068e50), ' ')
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _230578)
   Exit: (208) [system] peek_char((0x55772f068e50), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _247512)
   Exit: (206) [system] peek_char((0x55772f068e50), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x55772f068e50), _253082)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _254940)
   Exit: (208) [system] peek_char((0x55772f068e50), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] get_char((0x55772f068e50), _270950)
   Exit: (207) [system] get_char((0x55772f068e50), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x55772f068e50), _253082)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _276520)
   Exit: (209) [system] peek_char((0x55772f068e50), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _292530)
   Exit: (208) [system] peek_char((0x55772f068e50), 'A')
   Call: (208) [system] 'A'=')'
   Fail: (208) [system] 'A'=')'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x55772f068e50), _298100)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _299958)
   Exit: (210) [system] peek_char((0x55772f068e50), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
   Call: (210) [system] 'A'=(/)
   Fail: (210) [system] 'A'=(/)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] get_char((0x55772f068e50), _315968)
   Exit: (209) [system] get_char((0x55772f068e50), 'A')
   Call: (209) [system] 'A'='('
   Fail: (209) [system] 'A'='('
   Call: (209) [system] 'A'='['
   Fail: (209) [system] 'A'='['
   Call: (209) [system] 'A'='{'
   Fail: (209) [system] 'A'='{'
   Call: (209) [system] 'A'='"'
   Fail: (209) [system] 'A'='"'
   Call: (209) [system] 'A'=!
   Fail: (209) [system] 'A'=!
   Call: (209) [system] 'A'='\''
   Fail: (209) [system] 'A'='\''
   Call: (209) [system] 'A'='`'
   Fail: (209) [system] 'A'='`'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x55772f068e50), 'A', _298100)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _333610)
   Call: (211) [system] peek_char((0x55772f068e50), _334544)
   Exit: (211) [system] peek_char((0x55772f068e50), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_339264, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_340196, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x55772f068e50), n)
   Exit: (211) [system] get_char((0x55772f068e50), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _347546)
   Call: (212) [system] peek_char((0x55772f068e50), _348480)
   Exit: (212) [system] peek_char((0x55772f068e50), d)
^  Call: (212) [user] is_delimiter(d)
   Call: (213) [system] char_type(d, space)
   Fail: (213) [system] char_type(d, space)
   Call: (213) [system] arg(_353200, v('(', ')', end_of_file), d)
   Fail: (213) [system] arg(_354132, v('(', ')', end_of_file), d)
^  Fail: (212) [user] is_delimiter(d)
   Call: (212) [system] ')'==d
   Fail: (212) [system] ')'==d
   Call: (212) [system] get_char((0x55772f068e50), d)
   Exit: (212) [system] get_char((0x55772f068e50), d)
   Call: (212) [system] d=(\)
   Fail: (212) [system] d=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _361482)
   Call: (213) [system] peek_char((0x55772f068e50), _362416)
   Exit: (213) [system] peek_char((0x55772f068e50), 'L')
^  Call: (213) [user] is_delimiter('L')
   Call: (214) [system] char_type('L', space)
   Fail: (214) [system] char_type('L', space)
   Call: (214) [system] arg(_367136, v('(', ')', end_of_file), 'L')
   Fail: (214) [system] arg(_368068, v('(', ')', end_of_file), 'L')
^  Fail: (213) [user] is_delimiter('L')
   Call: (213) [system] ')'=='L'
   Fail: (213) [system] ')'=='L'
   Call: (213) [system] get_char((0x55772f068e50), 'L')
   Exit: (213) [system] get_char((0x55772f068e50), 'L')
   Call: (213) [system] 'L'=(\)
   Fail: (213) [system] 'L'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _375418)
   Call: (214) [system] peek_char((0x55772f068e50), _376352)
   Exit: (214) [system] peek_char((0x55772f068e50), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_381072, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_382004, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x55772f068e50), i)
   Exit: (214) [system] get_char((0x55772f068e50), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _389354)
   Call: (215) [system] peek_char((0x55772f068e50), _390288)
   Exit: (215) [system] peek_char((0x55772f068e50), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_395008, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_395940, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x55772f068e50), n)
   Exit: (215) [system] get_char((0x55772f068e50), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _403290)
   Call: (216) [system] peek_char((0x55772f068e50), _404224)
   Exit: (216) [system] peek_char((0x55772f068e50), k)
^  Call: (216) [user] is_delimiter(k)
   Call: (217) [system] char_type(k, space)
   Fail: (217) [system] char_type(k, space)
   Call: (217) [system] arg(_408944, v('(', ')', end_of_file), k)
   Fail: (217) [system] arg(_409876, v('(', ')', end_of_file), k)
^  Fail: (216) [user] is_delimiter(k)
   Call: (216) [system] ')'==k
   Fail: (216) [system] ')'==k
   Call: (216) [system] get_char((0x55772f068e50), k)
   Exit: (216) [system] get_char((0x55772f068e50), k)
   Call: (216) [system] k=(\)
   Fail: (216) [system] k=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _417226)
   Call: (217) [system] peek_char((0x55772f068e50), _418160)
   Exit: (217) [system] peek_char((0x55772f068e50), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _417226=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (216) [system] _403290=[k]
   Exit: (216) [system] [k]=[k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (215) [system] _389354=[n, k]
   Exit: (215) [system] [n, k]=[n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (214) [system] _375418=[i, n, k]
   Exit: (214) [system] [i, n, k]=[i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (213) [system] _361482=['L', i, n, k]
   Exit: (213) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (212) [system] _347546=[d, 'L', i, n, k]
   Exit: (212) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (211) [system] _333610=[n, d, 'L', i, n, k]
   Exit: (211) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (210) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _298100)
^  Call: (211) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _444208)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_445160, _445162), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _444208), _445142, fail)), '$restore_trace'(_445160, _445162))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_445160, _445162))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _444208), _445142, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_444208)
   Fail: (212) [system] atomic(_444208)
   Call: (212) [system] atom_chars(_444208, ['A', n, d, 'L', i, n, k])
   Exit: (212) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (211) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (211) [system] integer('AndLink')
   Fail: (211) [system] integer('AndLink')
   Call: (211) [system] _298100='AndLink'
   Exit: (211) [system] 'AndLink'='AndLink'
^  Exit: (210) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (209) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (208) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (208) [user] read_list(')', (0x55772f068e50), _459158)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _461016)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x55772f068e50), _470610)
   Exit: (210) [system] get_char((0x55772f068e50), ' ')
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _473314)
   Exit: (211) [system] peek_char((0x55772f068e50), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
   Call: (211) [system] 'A'=(/)
   Fail: (211) [system] 'A'=(/)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _490248)
   Exit: (209) [system] peek_char((0x55772f068e50), 'A')
   Call: (209) [system] 'A'=')'
   Fail: (209) [system] 'A'=')'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x55772f068e50), _495818)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _497676)
   Exit: (211) [system] peek_char((0x55772f068e50), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
   Call: (211) [system] 'A'=(/)
   Fail: (211) [system] 'A'=(/)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] get_char((0x55772f068e50), _513686)
   Exit: (210) [system] get_char((0x55772f068e50), 'A')
   Call: (210) [system] 'A'='('
   Fail: (210) [system] 'A'='('
   Call: (210) [system] 'A'='['
   Fail: (210) [system] 'A'='['
   Call: (210) [system] 'A'='{'
   Fail: (210) [system] 'A'='{'
   Call: (210) [system] 'A'='"'
   Fail: (210) [system] 'A'='"'
   Call: (210) [system] 'A'=!
   Fail: (210) [system] 'A'=!
   Call: (210) [system] 'A'='\''
   Fail: (210) [system] 'A'='\''
   Call: (210) [system] 'A'='`'
   Fail: (210) [system] 'A'='`'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x55772f068e50), 'A', _495818)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _531328)
   Call: (212) [system] peek_char((0x55772f068e50), _532262)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _531328=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (211) [user] classify_and_convert_charseq(['A'], _495818)
^  Call: (212) [user] classify_and_convert_charseq_(['A'], _541546)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_542498, _542500), once(user:catch(read_from_chars(['A'], _541546), _542480, fail)), '$restore_trace'(_542498, _542500))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_542498, _542500))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _541546), _542480, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_541546)
   Fail: (213) [system] atomic(_541546)
   Call: (213) [system] atom_chars(_541546, ['A'])
   Exit: (213) [system] atom_chars('A', ['A'])
^  Exit: (212) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (212) [system] integer('A')
   Fail: (212) [system] integer('A')
   Call: (212) [system] _495818='A'
   Exit: (212) [system] 'A'='A'
^  Exit: (211) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (210) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (209) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (209) [user] read_list(')', (0x55772f068e50), _556496)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _558354)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x55772f068e50), _567948)
   Exit: (211) [system] get_char((0x55772f068e50), ' ')
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _570652)
   Exit: (212) [system] peek_char((0x55772f068e50), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _587586)
   Exit: (210) [system] peek_char((0x55772f068e50), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x55772f068e50), _593156)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _595014)
   Exit: (212) [system] peek_char((0x55772f068e50), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] get_char((0x55772f068e50), _611024)
   Exit: (211) [system] get_char((0x55772f068e50), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x55772f068e50), _593156)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _616594)
   Exit: (213) [system] peek_char((0x55772f068e50), 'I')
   Call: (213) [system] 'I'=(;)
   Fail: (213) [system] 'I'=(;)
   Call: (213) [system] 'I'=(/)
   Fail: (213) [system] 'I'=(/)
^  Call: (213) [user] is_like_space('I')
   Call: (214) [system] char_type('I', 'white')
   Fail: (214) [system] char_type('I', 'white')
   Call: (214) [system] char_type('I', end_of_line)
   Fail: (214) [system] char_type('I', end_of_line)
   Call: (214) [system] char_type('I', space)
   Fail: (214) [system] char_type('I', space)
   Call: (214) [system] char_type('I', cntrl)
   Fail: (214) [system] char_type('I', cntrl)
^  Fail: (213) [user] is_like_space('I')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _632604)
   Exit: (212) [system] peek_char((0x55772f068e50), 'I')
   Call: (212) [system] 'I'=')'
   Fail: (212) [system] 'I'=')'
   Call: (212) [system] 'I'=end_of_file
   Fail: (212) [system] 'I'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x55772f068e50), _638174)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _640032)
   Exit: (214) [system] peek_char((0x55772f068e50), 'I')
   Call: (214) [system] 'I'=(;)
   Fail: (214) [system] 'I'=(;)
   Call: (214) [system] 'I'=(/)
   Fail: (214) [system] 'I'=(/)
^  Call: (214) [user] is_like_space('I')
   Call: (215) [system] char_type('I', 'white')
   Fail: (215) [system] char_type('I', 'white')
   Call: (215) [system] char_type('I', end_of_line)
   Fail: (215) [system] char_type('I', end_of_line)
   Call: (215) [system] char_type('I', space)
   Fail: (215) [system] char_type('I', space)
   Call: (215) [system] char_type('I', cntrl)
   Fail: (215) [system] char_type('I', cntrl)
^  Fail: (214) [user] is_like_space('I')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] get_char((0x55772f068e50), _656042)
   Exit: (213) [system] get_char((0x55772f068e50), 'I')
   Call: (213) [system] 'I'='('
   Fail: (213) [system] 'I'='('
   Call: (213) [system] 'I'='['
   Fail: (213) [system] 'I'='['
   Call: (213) [system] 'I'='{'
   Fail: (213) [system] 'I'='{'
   Call: (213) [system] 'I'='"'
   Fail: (213) [system] 'I'='"'
   Call: (213) [system] 'I'=!
   Fail: (213) [system] 'I'=!
   Call: (213) [system] 'I'='\''
   Fail: (213) [system] 'I'='\''
   Call: (213) [system] 'I'='`'
   Fail: (213) [system] 'I'='`'
   Call: (213) [system] 'I'=end_of_file
   Fail: (213) [system] 'I'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x55772f068e50), 'I', _638174)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _673684)
   Call: (215) [system] peek_char((0x55772f068e50), _674618)
   Exit: (215) [system] peek_char((0x55772f068e50), m)
^  Call: (215) [user] is_delimiter(m)
   Call: (216) [system] char_type(m, space)
   Fail: (216) [system] char_type(m, space)
   Call: (216) [system] arg(_679338, v('(', ')', end_of_file), m)
   Fail: (216) [system] arg(_680270, v('(', ')', end_of_file), m)
^  Fail: (215) [user] is_delimiter(m)
   Call: (215) [system] ')'==m
   Fail: (215) [system] ')'==m
   Call: (215) [system] get_char((0x55772f068e50), m)
   Exit: (215) [system] get_char((0x55772f068e50), m)
   Call: (215) [system] m=(\)
   Fail: (215) [system] m=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _687620)
   Call: (216) [system] peek_char((0x55772f068e50), _688554)
   Exit: (216) [system] peek_char((0x55772f068e50), p)
^  Call: (216) [user] is_delimiter(p)
   Call: (217) [system] char_type(p, space)
   Fail: (217) [system] char_type(p, space)
   Call: (217) [system] arg(_693274, v('(', ')', end_of_file), p)
   Fail: (217) [system] arg(_694206, v('(', ')', end_of_file), p)
^  Fail: (216) [user] is_delimiter(p)
   Call: (216) [system] ')'==p
   Fail: (216) [system] ')'==p
   Call: (216) [system] get_char((0x55772f068e50), p)
   Exit: (216) [system] get_char((0x55772f068e50), p)
   Call: (216) [system] p=(\)
   Fail: (216) [system] p=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _701556)
   Call: (217) [system] peek_char((0x55772f068e50), _702490)
   Exit: (217) [system] peek_char((0x55772f068e50), l)
^  Call: (217) [user] is_delimiter(l)
   Call: (218) [system] char_type(l, space)
   Fail: (218) [system] char_type(l, space)
   Call: (218) [system] arg(_707210, v('(', ')', end_of_file), l)
   Fail: (218) [system] arg(_708142, v('(', ')', end_of_file), l)
^  Fail: (217) [user] is_delimiter(l)
   Call: (217) [system] ')'==l
   Fail: (217) [system] ')'==l
   Call: (217) [system] get_char((0x55772f068e50), l)
   Exit: (217) [system] get_char((0x55772f068e50), l)
   Call: (217) [system] l=(\)
   Fail: (217) [system] l=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _715492)
   Call: (218) [system] peek_char((0x55772f068e50), _716426)
   Exit: (218) [system] peek_char((0x55772f068e50), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_721146, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_722078, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x55772f068e50), i)
   Exit: (218) [system] get_char((0x55772f068e50), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _729428)
   Call: (219) [system] peek_char((0x55772f068e50), _730362)
   Exit: (219) [system] peek_char((0x55772f068e50), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_735082, v('(', ')', end_of_file), c)
   Fail: (220) [system] arg(_736014, v('(', ')', end_of_file), c)
^  Fail: (219) [user] is_delimiter(c)
   Call: (219) [system] ')'==c
   Fail: (219) [system] ')'==c
   Call: (219) [system] get_char((0x55772f068e50), c)
   Exit: (219) [system] get_char((0x55772f068e50), c)
   Call: (219) [system] c=(\)
   Fail: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _743364)
   Call: (220) [system] peek_char((0x55772f068e50), _744298)
   Exit: (220) [system] peek_char((0x55772f068e50), a)
^  Call: (220) [user] is_delimiter(a)
   Call: (221) [system] char_type(a, space)
   Fail: (221) [system] char_type(a, space)
   Call: (221) [system] arg(_749018, v('(', ')', end_of_file), a)
   Fail: (221) [system] arg(_749950, v('(', ')', end_of_file), a)
^  Fail: (220) [user] is_delimiter(a)
   Call: (220) [system] ')'==a
   Fail: (220) [system] ')'==a
   Call: (220) [system] get_char((0x55772f068e50), a)
   Exit: (220) [system] get_char((0x55772f068e50), a)
   Call: (220) [system] a=(\)
   Fail: (220) [system] a=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _757300)
   Call: (221) [system] peek_char((0x55772f068e50), _758234)
   Exit: (221) [system] peek_char((0x55772f068e50), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_762954, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_763886, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x55772f068e50), t)
   Exit: (221) [system] get_char((0x55772f068e50), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _771236)
   Call: (222) [system] peek_char((0x55772f068e50), _772170)
   Exit: (222) [system] peek_char((0x55772f068e50), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_776890, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_777822, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x55772f068e50), i)
   Exit: (222) [system] get_char((0x55772f068e50), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _785172)
   Call: (223) [system] peek_char((0x55772f068e50), _786106)
   Exit: (223) [system] peek_char((0x55772f068e50), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_790826, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_791758, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x55772f068e50), o)
   Exit: (223) [system] get_char((0x55772f068e50), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _799108)
   Call: (224) [system] peek_char((0x55772f068e50), _800042)
   Exit: (224) [system] peek_char((0x55772f068e50), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_804762, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_805694, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x55772f068e50), n)
   Exit: (224) [system] get_char((0x55772f068e50), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _813044)
   Call: (225) [system] peek_char((0x55772f068e50), _813978)
   Exit: (225) [system] peek_char((0x55772f068e50), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _813044=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (224) [system] _799108=[n]
   Exit: (224) [system] [n]=[n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (223) [system] _785172=[o, n]
   Exit: (223) [system] [o, n]=[o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (222) [system] _771236=[i, o, n]
   Exit: (222) [system] [i, o, n]=[i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (221) [system] _757300=[t, i, o, n]
   Exit: (221) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (220) [system] _743364=[a, t, i, o, n]
   Exit: (220) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (219) [system] _729428=[c, a, t, i, o, n]
   Exit: (219) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (218) [system] _715492=[i, c, a, t, i, o, n]
   Exit: (218) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (217) [system] _701556=[l, i, c, a, t, i, o, n]
   Exit: (217) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (216) [system] _687620=[p, l, i, c, a, t, i, o, n]
   Exit: (216) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (215) [system] _673684=[m, p, l, i, c, a, t, i, o, n]
   Exit: (215) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (214) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _638174)
^  Call: (215) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _851202)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_852154, _852156), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _851202), _852136, fail)), '$restore_trace'(_852154, _852156))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_852154, _852156))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _851202), _852136, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_851202)
   Fail: (216) [system] atomic(_851202)
   Call: (216) [system] atom_chars(_851202, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (216) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (215) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (215) [system] integer('Implication')
   Fail: (215) [system] integer('Implication')
   Call: (215) [system] _638174='Implication'
   Exit: (215) [system] 'Implication'='Implication'
^  Exit: (214) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (213) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (212) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (212) [user] read_list(')', (0x55772f068e50), _866152)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _868010)
   Exit: (214) [system] peek_char((0x55772f068e50), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x55772f068e50), _877604)
   Exit: (214) [system] get_char((0x55772f068e50), ' ')
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _880308)
   Exit: (215) [system] peek_char((0x55772f068e50), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _897242)
   Exit: (213) [system] peek_char((0x55772f068e50), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _902812)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _904670)
   Exit: (215) [system] peek_char((0x55772f068e50), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _920680)
   Exit: (214) [system] get_char((0x55772f068e50), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x55772f068e50), _902812)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _926250)
   Exit: (216) [system] peek_char((0x55772f068e50), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
   Call: (216) [system] 'A'=(/)
   Fail: (216) [system] 'A'=(/)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _942260)
   Exit: (215) [system] peek_char((0x55772f068e50), 'A')
   Call: (215) [system] 'A'=')'
   Fail: (215) [system] 'A'=')'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x55772f068e50), _947830)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _949688)
   Exit: (217) [system] peek_char((0x55772f068e50), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
   Call: (217) [system] 'A'=(/)
   Fail: (217) [system] 'A'=(/)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] get_char((0x55772f068e50), _965698)
   Exit: (216) [system] get_char((0x55772f068e50), 'A')
   Call: (216) [system] 'A'='('
   Fail: (216) [system] 'A'='('
   Call: (216) [system] 'A'='['
   Fail: (216) [system] 'A'='['
   Call: (216) [system] 'A'='{'
   Fail: (216) [system] 'A'='{'
   Call: (216) [system] 'A'='"'
   Fail: (216) [system] 'A'='"'
   Call: (216) [system] 'A'=!
   Fail: (216) [system] 'A'=!
   Call: (216) [system] 'A'='\''
   Fail: (216) [system] 'A'='\''
   Call: (216) [system] 'A'='`'
   Fail: (216) [system] 'A'='`'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x55772f068e50), 'A', _947830)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _983340)
   Call: (218) [system] peek_char((0x55772f068e50), _984274)
   Exit: (218) [system] peek_char((0x55772f068e50), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_988994, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_989926, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x55772f068e50), n)
   Exit: (218) [system] get_char((0x55772f068e50), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _997276)
   Call: (219) [system] peek_char((0x55772f068e50), _998210)
   Exit: (219) [system] peek_char((0x55772f068e50), d)
^  Call: (219) [user] is_delimiter(d)
   Call: (220) [system] char_type(d, space)
   Fail: (220) [system] char_type(d, space)
   Call: (220) [system] arg(_1002930, v('(', ')', end_of_file), d)
   Fail: (220) [system] arg(_1003862, v('(', ')', end_of_file), d)
^  Fail: (219) [user] is_delimiter(d)
   Call: (219) [system] ')'==d
   Fail: (219) [system] ')'==d
   Call: (219) [system] get_char((0x55772f068e50), d)
   Exit: (219) [system] get_char((0x55772f068e50), d)
   Call: (219) [system] d=(\)
   Fail: (219) [system] d=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1011212)
   Call: (220) [system] peek_char((0x55772f068e50), _1012146)
   Exit: (220) [system] peek_char((0x55772f068e50), 'L')
^  Call: (220) [user] is_delimiter('L')
   Call: (221) [system] char_type('L', space)
   Fail: (221) [system] char_type('L', space)
   Call: (221) [system] arg(_1016866, v('(', ')', end_of_file), 'L')
   Fail: (221) [system] arg(_1017798, v('(', ')', end_of_file), 'L')
^  Fail: (220) [user] is_delimiter('L')
   Call: (220) [system] ')'=='L'
   Fail: (220) [system] ')'=='L'
   Call: (220) [system] get_char((0x55772f068e50), 'L')
   Exit: (220) [system] get_char((0x55772f068e50), 'L')
   Call: (220) [system] 'L'=(\)
   Fail: (220) [system] 'L'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1025148)
   Call: (221) [system] peek_char((0x55772f068e50), _1026082)
   Exit: (221) [system] peek_char((0x55772f068e50), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1030802, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1031734, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x55772f068e50), i)
   Exit: (221) [system] get_char((0x55772f068e50), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1039084)
   Call: (222) [system] peek_char((0x55772f068e50), _1040018)
   Exit: (222) [system] peek_char((0x55772f068e50), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1044738, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1045670, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x55772f068e50), n)
   Exit: (222) [system] get_char((0x55772f068e50), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1053020)
   Call: (223) [system] peek_char((0x55772f068e50), _1053954)
   Exit: (223) [system] peek_char((0x55772f068e50), k)
^  Call: (223) [user] is_delimiter(k)
   Call: (224) [system] char_type(k, space)
   Fail: (224) [system] char_type(k, space)
   Call: (224) [system] arg(_1058674, v('(', ')', end_of_file), k)
   Fail: (224) [system] arg(_1059606, v('(', ')', end_of_file), k)
^  Fail: (223) [user] is_delimiter(k)
   Call: (223) [system] ')'==k
   Fail: (223) [system] ')'==k
   Call: (223) [system] get_char((0x55772f068e50), k)
   Exit: (223) [system] get_char((0x55772f068e50), k)
   Call: (223) [system] k=(\)
   Fail: (223) [system] k=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1066956)
   Call: (224) [system] peek_char((0x55772f068e50), _1067890)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1066956=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (223) [system] _1053020=[k]
   Exit: (223) [system] [k]=[k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (222) [system] _1039084=[n, k]
   Exit: (222) [system] [n, k]=[n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (221) [system] _1025148=[i, n, k]
   Exit: (221) [system] [i, n, k]=[i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (220) [system] _1011212=['L', i, n, k]
   Exit: (220) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (219) [system] _997276=[d, 'L', i, n, k]
   Exit: (219) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (218) [system] _983340=[n, d, 'L', i, n, k]
   Exit: (218) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (217) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _947830)
^  Call: (218) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1093938)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1094890, _1094892), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1093938), _1094872, fail)), '$restore_trace'(_1094890, _1094892))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1094890, _1094892))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1093938), _1094872, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1093938)
   Fail: (219) [system] atomic(_1093938)
   Call: (219) [system] atom_chars(_1093938, ['A', n, d, 'L', i, n, k])
   Exit: (219) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (218) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (218) [system] integer('AndLink')
   Fail: (218) [system] integer('AndLink')
   Call: (218) [system] _947830='AndLink'
   Exit: (218) [system] 'AndLink'='AndLink'
^  Exit: (217) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (216) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (215) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (215) [user] read_list(')', (0x55772f068e50), _1108888)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1110746)
   Exit: (217) [system] peek_char((0x55772f068e50), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x55772f068e50), _1120340)
   Exit: (217) [system] get_char((0x55772f068e50), ' ')
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1123044)
   Exit: (218) [system] peek_char((0x55772f068e50), 'A')
   Call: (218) [system] 'A'=(;)
   Fail: (218) [system] 'A'=(;)
   Call: (218) [system] 'A'=(/)
   Fail: (218) [system] 'A'=(/)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Fail: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Fail: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Fail: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
   Fail: (219) [system] char_type('A', cntrl)
^  Fail: (218) [user] is_like_space('A')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1139978)
   Exit: (216) [system] peek_char((0x55772f068e50), 'A')
   Call: (216) [system] 'A'=')'
   Fail: (216) [system] 'A'=')'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x55772f068e50), _1145548)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1147406)
   Exit: (218) [system] peek_char((0x55772f068e50), 'A')
   Call: (218) [system] 'A'=(;)
   Fail: (218) [system] 'A'=(;)
   Call: (218) [system] 'A'=(/)
   Fail: (218) [system] 'A'=(/)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Fail: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Fail: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Fail: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
   Fail: (219) [system] char_type('A', cntrl)
^  Fail: (218) [user] is_like_space('A')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] get_char((0x55772f068e50), _1163416)
   Exit: (217) [system] get_char((0x55772f068e50), 'A')
   Call: (217) [system] 'A'='('
   Fail: (217) [system] 'A'='('
   Call: (217) [system] 'A'='['
   Fail: (217) [system] 'A'='['
   Call: (217) [system] 'A'='{'
   Fail: (217) [system] 'A'='{'
   Call: (217) [system] 'A'='"'
   Fail: (217) [system] 'A'='"'
   Call: (217) [system] 'A'=!
   Fail: (217) [system] 'A'=!
   Call: (217) [system] 'A'='\''
   Fail: (217) [system] 'A'='\''
   Call: (217) [system] 'A'='`'
   Fail: (217) [system] 'A'='`'
   Call: (217) [system] 'A'=end_of_file
   Fail: (217) [system] 'A'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x55772f068e50), 'A', _1145548)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1181058)
   Call: (219) [system] peek_char((0x55772f068e50), _1181992)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _1181058=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (218) [user] classify_and_convert_charseq(['A'], _1145548)
^  Call: (219) [user] classify_and_convert_charseq_(['A'], _1191276)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1192228, _1192230), once(user:catch(read_from_chars(['A'], _1191276), _1192210, fail)), '$restore_trace'(_1192228, _1192230))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1192228, _1192230))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1191276), _1192210, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1191276)
   Fail: (220) [system] atomic(_1191276)
   Call: (220) [system] atom_chars(_1191276, ['A'])
   Exit: (220) [system] atom_chars('A', ['A'])
^  Exit: (219) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (219) [system] integer('A')
   Fail: (219) [system] integer('A')
   Call: (219) [system] _1145548='A'
   Exit: (219) [system] 'A'='A'
^  Exit: (218) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (217) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (216) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (216) [user] read_list(')', (0x55772f068e50), _1206226)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1208084)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x55772f068e50), _1217678)
   Exit: (218) [system] get_char((0x55772f068e50), ' ')
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1220382)
   Exit: (219) [system] peek_char((0x55772f068e50), 'B')
   Call: (219) [system] 'B'=(;)
   Fail: (219) [system] 'B'=(;)
   Call: (219) [system] 'B'=(/)
   Fail: (219) [system] 'B'=(/)
^  Call: (219) [user] is_like_space('B')
   Call: (220) [system] char_type('B', 'white')
   Fail: (220) [system] char_type('B', 'white')
   Call: (220) [system] char_type('B', end_of_line)
   Fail: (220) [system] char_type('B', end_of_line)
   Call: (220) [system] char_type('B', space)
   Fail: (220) [system] char_type('B', space)
   Call: (220) [system] char_type('B', cntrl)
   Fail: (220) [system] char_type('B', cntrl)
^  Fail: (219) [user] is_like_space('B')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1237316)
   Exit: (217) [system] peek_char((0x55772f068e50), 'B')
   Call: (217) [system] 'B'=')'
   Fail: (217) [system] 'B'=')'
   Call: (217) [system] 'B'=end_of_file
   Fail: (217) [system] 'B'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _1242886)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1244744)
   Exit: (219) [system] peek_char((0x55772f068e50), 'B')
   Call: (219) [system] 'B'=(;)
   Fail: (219) [system] 'B'=(;)
   Call: (219) [system] 'B'=(/)
   Fail: (219) [system] 'B'=(/)
^  Call: (219) [user] is_like_space('B')
   Call: (220) [system] char_type('B', 'white')
   Fail: (220) [system] char_type('B', 'white')
   Call: (220) [system] char_type('B', end_of_line)
   Fail: (220) [system] char_type('B', end_of_line)
   Call: (220) [system] char_type('B', space)
   Fail: (220) [system] char_type('B', space)
   Call: (220) [system] char_type('B', cntrl)
   Fail: (220) [system] char_type('B', cntrl)
^  Fail: (219) [user] is_like_space('B')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _1260754)
   Exit: (218) [system] get_char((0x55772f068e50), 'B')
   Call: (218) [system] 'B'='('
   Fail: (218) [system] 'B'='('
   Call: (218) [system] 'B'='['
   Fail: (218) [system] 'B'='['
   Call: (218) [system] 'B'='{'
   Fail: (218) [system] 'B'='{'
   Call: (218) [system] 'B'='"'
   Fail: (218) [system] 'B'='"'
   Call: (218) [system] 'B'=!
   Fail: (218) [system] 'B'=!
   Call: (218) [system] 'B'='\''
   Fail: (218) [system] 'B'='\''
   Call: (218) [system] 'B'='`'
   Fail: (218) [system] 'B'='`'
   Call: (218) [system] 'B'=end_of_file
   Fail: (218) [system] 'B'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x55772f068e50), 'B', _1242886)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1278396)
   Call: (220) [system] peek_char((0x55772f068e50), _1279330)
   Exit: (220) [system] peek_char((0x55772f068e50), ')')
^  Call: (220) [user] is_delimiter(')')
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] arg(_1284050, v('(', ')', end_of_file), ')')
   Exit: (221) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (220) [user] is_delimiter(')')
   Call: (220) [system] _1278396=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (219) [user] classify_and_convert_charseq(['B'], _1242886)
^  Call: (220) [user] classify_and_convert_charseq_(['B'], _1290486)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1291438, _1291440), once(user:catch(read_from_chars(['B'], _1290486), _1291420, fail)), '$restore_trace'(_1291438, _1291440))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1291438, _1291440))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1290486), _1291420, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_1290486)
   Fail: (221) [system] atomic(_1290486)
   Call: (221) [system] atom_chars(_1290486, ['B'])
   Exit: (221) [system] atom_chars('B', ['B'])
^  Exit: (220) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (220) [system] integer('B')
   Fail: (220) [system] integer('B')
   Call: (220) [system] _1242886='B'
   Exit: (220) [system] 'B'='B'
^  Exit: (219) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (218) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (217) [user] read_list(')', (0x55772f068e50), _1305436)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1307294)
   Exit: (219) [system] peek_char((0x55772f068e50), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
   Call: (219) [system] ')'=(/)
   Fail: (219) [system] ')'=(/)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1323304)
   Exit: (218) [system] peek_char((0x55772f068e50), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x55772f068e50), _1327094)
   Exit: (218) [system] get_char((0x55772f068e50), ')')
   Call: (218) [system] _1305436=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x55772f068e50), [])
   Call: (217) [system] _1206226=['B']
   Exit: (217) [system] ['B']=['B']
^  Exit: (216) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (216) [system] _1108888=['A', 'B']
   Exit: (216) [system] ['A', 'B']=['A', 'B']
^  Exit: (215) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (215) [system] _902812=['AndLink', 'A', 'B']
   Exit: (215) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (214) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (213) [user] read_list(')', (0x55772f068e50), _1340976)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1342834)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x55772f068e50), _1352428)
   Exit: (215) [system] get_char((0x55772f068e50), ' ')
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1355132)
   Exit: (216) [system] peek_char((0x55772f068e50), 'C')
   Call: (216) [system] 'C'=(;)
   Fail: (216) [system] 'C'=(;)
   Call: (216) [system] 'C'=(/)
   Fail: (216) [system] 'C'=(/)
^  Call: (216) [user] is_like_space('C')
   Call: (217) [system] char_type('C', 'white')
   Fail: (217) [system] char_type('C', 'white')
   Call: (217) [system] char_type('C', end_of_line)
   Fail: (217) [system] char_type('C', end_of_line)
   Call: (217) [system] char_type('C', space)
   Fail: (217) [system] char_type('C', space)
   Call: (217) [system] char_type('C', cntrl)
   Fail: (217) [system] char_type('C', cntrl)
^  Fail: (216) [user] is_like_space('C')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1372066)
   Exit: (214) [system] peek_char((0x55772f068e50), 'C')
   Call: (214) [system] 'C'=')'
   Fail: (214) [system] 'C'=')'
   Call: (214) [system] 'C'=end_of_file
   Fail: (214) [system] 'C'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _1377636)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1379494)
   Exit: (216) [system] peek_char((0x55772f068e50), 'C')
   Call: (216) [system] 'C'=(;)
   Fail: (216) [system] 'C'=(;)
   Call: (216) [system] 'C'=(/)
   Fail: (216) [system] 'C'=(/)
^  Call: (216) [user] is_like_space('C')
   Call: (217) [system] char_type('C', 'white')
   Fail: (217) [system] char_type('C', 'white')
   Call: (217) [system] char_type('C', end_of_line)
   Fail: (217) [system] char_type('C', end_of_line)
   Call: (217) [system] char_type('C', space)
   Fail: (217) [system] char_type('C', space)
   Call: (217) [system] char_type('C', cntrl)
   Fail: (217) [system] char_type('C', cntrl)
^  Fail: (216) [user] is_like_space('C')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _1395504)
   Exit: (215) [system] get_char((0x55772f068e50), 'C')
   Call: (215) [system] 'C'='('
   Fail: (215) [system] 'C'='('
   Call: (215) [system] 'C'='['
   Fail: (215) [system] 'C'='['
   Call: (215) [system] 'C'='{'
   Fail: (215) [system] 'C'='{'
   Call: (215) [system] 'C'='"'
   Fail: (215) [system] 'C'='"'
   Call: (215) [system] 'C'=!
   Fail: (215) [system] 'C'=!
   Call: (215) [system] 'C'='\''
   Fail: (215) [system] 'C'='\''
   Call: (215) [system] 'C'='`'
   Fail: (215) [system] 'C'='`'
   Call: (215) [system] 'C'=end_of_file
   Fail: (215) [system] 'C'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x55772f068e50), 'C', _1377636)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1413146)
   Call: (217) [system] peek_char((0x55772f068e50), _1414080)
   Exit: (217) [system] peek_char((0x55772f068e50), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_1418800, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _1413146=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (216) [user] classify_and_convert_charseq(['C'], _1377636)
^  Call: (217) [user] classify_and_convert_charseq_(['C'], _1425236)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1426188, _1426190), once(user:catch(read_from_chars(['C'], _1425236), _1426170, fail)), '$restore_trace'(_1426188, _1426190))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1426188, _1426190))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1425236), _1426170, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1425236)
   Fail: (218) [system] atomic(_1425236)
   Call: (218) [system] atom_chars(_1425236, ['C'])
   Exit: (218) [system] atom_chars('C', ['C'])
^  Exit: (217) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (217) [system] integer('C')
   Fail: (217) [system] integer('C')
   Call: (217) [system] _1377636='C'
   Exit: (217) [system] 'C'='C'
^  Exit: (216) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (215) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (214) [user] read_list(')', (0x55772f068e50), _1440186)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1442044)
   Exit: (216) [system] peek_char((0x55772f068e50), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1458054)
   Exit: (215) [system] peek_char((0x55772f068e50), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x55772f068e50), _1461844)
   Exit: (215) [system] get_char((0x55772f068e50), ')')
   Call: (215) [system] _1440186=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x55772f068e50), [])
   Call: (214) [system] _1340976=['C']
   Exit: (214) [system] ['C']=['C']
^  Exit: (213) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (213) [system] _866152=[['AndLink', 'A', 'B'], 'C']
   Exit: (213) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (212) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (212) [system] _593156=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (212) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (211) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (210) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (210) [user] read_list(')', (0x55772f068e50), _1475726)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1477584)
   Exit: (212) [system] peek_char((0x55772f068e50), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1493594)
   Exit: (211) [system] peek_char((0x55772f068e50), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x55772f068e50), _1497384)
   Exit: (211) [system] get_char((0x55772f068e50), ')')
   Call: (211) [system] _1475726=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x55772f068e50), [])
   Call: (210) [system] _556496=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (210) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (209) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (209) [system] _459158=['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (209) [system] ['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (208) [user] read_list(')', (0x55772f068e50), ['A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (208) [system] _253082=['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (208) [system] ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (207) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (206) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (206) [user] read_list(')', (0x55772f068e50), _1511266)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1513124)
   Exit: (208) [system] peek_char((0x55772f068e50), ')')
   Call: (208) [system] ')'=(;)
   Fail: (208) [system] ')'=(;)
   Call: (208) [system] ')'=(/)
   Fail: (208) [system] ')'=(/)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Fail: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Fail: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
   Fail: (209) [system] char_type(')', cntrl)
^  Fail: (208) [user] is_like_space(')')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1529134)
   Exit: (207) [system] peek_char((0x55772f068e50), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x55772f068e50), _1532924)
   Exit: (207) [system] get_char((0x55772f068e50), ')')
   Call: (207) [system] _1511266=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x55772f068e50), [])
   Call: (206) [system] _216422=[['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (206) [system] [['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (205) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (205) [system] _4542=[['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (205) [system] [['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (204) [user] read_list(')', (0x55772f068e50), [['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (204) [system] _4534=[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (204) [system] [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (203) [user] read_list(')', (0x55772f068e50), [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (202) [user] cont_sexpr(')', (0x55772f068e50), [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (202) [user] read_list(')', (0x55772f068e50), _1546806)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1548664)
   Exit: (204) [system] peek_char((0x55772f068e50), '\n')
   Call: (204) [system] '\n'=(;)
   Fail: (204) [system] '\n'=(;)
   Call: (204) [system] '\n'=(/)
   Fail: (204) [system] '\n'=(/)
^  Call: (204) [user] is_like_space('\n')
   Call: (205) [system] char_type('\n', 'white')
   Fail: (205) [system] char_type('\n', 'white')
   Call: (205) [system] char_type('\n', end_of_line)
   Exit: (205) [system] char_type('\n', end_of_line)
^  Exit: (204) [user] is_like_space('\n')
   Call: (204) [system] get_char((0x55772f068e50), _1560114)
   Exit: (204) [system] get_char((0x55772f068e50), '\n')
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1562818)
   Exit: (205) [system] peek_char((0x55772f068e50), '\t')
   Call: (205) [system] '\t'=(;)
   Fail: (205) [system] '\t'=(;)
   Call: (205) [system] '\t'=(/)
   Fail: (205) [system] '\t'=(/)
^  Call: (205) [user] is_like_space('\t')
   Call: (206) [system] char_type('\t', 'white')
   Exit: (206) [system] char_type('\t', 'white')
^  Exit: (205) [user] is_like_space('\t')
   Call: (205) [system] get_char((0x55772f068e50), _1572412)
   Exit: (205) [system] get_char((0x55772f068e50), '\t')
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1575116)
   Exit: (206) [system] peek_char((0x55772f068e50), '\t')
   Call: (206) [system] '\t'=(;)
   Fail: (206) [system] '\t'=(;)
   Call: (206) [system] '\t'=(/)
   Fail: (206) [system] '\t'=(/)
^  Call: (206) [user] is_like_space('\t')
   Call: (207) [system] char_type('\t', 'white')
   Exit: (207) [system] char_type('\t', 'white')
^  Exit: (206) [user] is_like_space('\t')
   Call: (206) [system] get_char((0x55772f068e50), _1584710)
   Exit: (206) [system] get_char((0x55772f068e50), '\t')
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1587414)
   Exit: (207) [system] peek_char((0x55772f068e50), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x55772f068e50), _1597008)
   Exit: (207) [system] get_char((0x55772f068e50), ' ')
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1599712)
   Exit: (208) [system] peek_char((0x55772f068e50), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1619418)
   Exit: (203) [system] peek_char((0x55772f068e50), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x55772f068e50), _1624988)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1626846)
   Exit: (205) [system] peek_char((0x55772f068e50), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] get_char((0x55772f068e50), _1642856)
   Exit: (204) [system] get_char((0x55772f068e50), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x55772f068e50), _1624988)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1648426)
   Exit: (206) [system] peek_char((0x55772f068e50), :)
   Call: (206) [system] (:)=(;)
   Fail: (206) [system] (:)=(;)
   Call: (206) [system] (:)=(/)
   Fail: (206) [system] (:)=(/)
^  Call: (206) [user] is_like_space(:)
   Call: (207) [system] char_type(:, 'white')
   Fail: (207) [system] char_type(:, 'white')
   Call: (207) [system] char_type(:, end_of_line)
   Fail: (207) [system] char_type(:, end_of_line)
   Call: (207) [system] char_type(:, space)
   Fail: (207) [system] char_type(:, space)
   Call: (207) [system] char_type(:, cntrl)
   Fail: (207) [system] char_type(:, cntrl)
^  Fail: (206) [user] is_like_space(:)
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1664436)
   Exit: (205) [system] peek_char((0x55772f068e50), :)
   Call: (205) [system] (:)=')'
   Fail: (205) [system] (:)=')'
   Call: (205) [system] (:)=end_of_file
   Fail: (205) [system] (:)=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x55772f068e50), _1670006)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1671864)
   Exit: (207) [system] peek_char((0x55772f068e50), :)
   Call: (207) [system] (:)=(;)
   Fail: (207) [system] (:)=(;)
   Call: (207) [system] (:)=(/)
   Fail: (207) [system] (:)=(/)
^  Call: (207) [user] is_like_space(:)
   Call: (208) [system] char_type(:, 'white')
   Fail: (208) [system] char_type(:, 'white')
   Call: (208) [system] char_type(:, end_of_line)
   Fail: (208) [system] char_type(:, end_of_line)
   Call: (208) [system] char_type(:, space)
   Fail: (208) [system] char_type(:, space)
   Call: (208) [system] char_type(:, cntrl)
   Fail: (208) [system] char_type(:, cntrl)
^  Fail: (207) [user] is_like_space(:)
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] get_char((0x55772f068e50), _1687874)
   Exit: (206) [system] get_char((0x55772f068e50), :)
   Call: (206) [system] (:)='('
   Fail: (206) [system] (:)='('
   Call: (206) [system] (:)='['
   Fail: (206) [system] (:)='['
   Call: (206) [system] (:)='{'
   Fail: (206) [system] (:)='{'
   Call: (206) [system] (:)='"'
   Fail: (206) [system] (:)='"'
   Call: (206) [system] (:)=!
   Fail: (206) [system] (:)=!
   Call: (206) [system] (:)='\''
   Fail: (206) [system] (:)='\''
   Call: (206) [system] (:)='`'
   Fail: (206) [system] (:)='`'
   Call: (206) [system] (:)=end_of_file
   Fail: (206) [system] (:)=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x55772f068e50), :, _1670006)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1705516)
   Call: (208) [system] peek_char((0x55772f068e50), _1706450)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1705516=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (207) [user] classify_and_convert_charseq([:], _1670006)
^  Call: (208) [user] classify_and_convert_charseq_([:], _1715734)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1716686, _1716688), once(user:catch(read_from_chars([:], _1715734), _1716668, fail)), '$restore_trace'(_1716686, _1716688))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1716686, _1716688))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1716668, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(:)
   Exit: (209) [system] atomic(:)
^  Exit: (208) [user] classify_and_convert_charseq_([:], :)
   Call: (208) [system] integer(:)
   Fail: (208) [system] integer(:)
   Call: (208) [system] _1670006=(:)
   Exit: (208) [system] (:)=(:)
^  Exit: (207) [user] classify_and_convert_charseq([:], :)
^  Exit: (206) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (205) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (205) [user] read_list(')', (0x55772f068e50), _1728814)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1730672)
   Exit: (207) [system] peek_char((0x55772f068e50), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x55772f068e50), _1740266)
   Exit: (207) [system] get_char((0x55772f068e50), ' ')
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1742970)
   Exit: (208) [system] peek_char((0x55772f068e50), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1759904)
   Exit: (206) [system] peek_char((0x55772f068e50), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x55772f068e50), _1765474)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1767332)
   Exit: (208) [system] peek_char((0x55772f068e50), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] get_char((0x55772f068e50), _1783342)
   Exit: (207) [system] get_char((0x55772f068e50), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x55772f068e50), _1765474)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1788912)
   Exit: (209) [system] peek_char((0x55772f068e50), 'C')
   Call: (209) [system] 'C'=(;)
   Fail: (209) [system] 'C'=(;)
   Call: (209) [system] 'C'=(/)
   Fail: (209) [system] 'C'=(/)
^  Call: (209) [user] is_like_space('C')
   Call: (210) [system] char_type('C', 'white')
   Fail: (210) [system] char_type('C', 'white')
   Call: (210) [system] char_type('C', end_of_line)
   Fail: (210) [system] char_type('C', end_of_line)
   Call: (210) [system] char_type('C', space)
   Fail: (210) [system] char_type('C', space)
   Call: (210) [system] char_type('C', cntrl)
   Fail: (210) [system] char_type('C', cntrl)
^  Fail: (209) [user] is_like_space('C')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1804922)
   Exit: (208) [system] peek_char((0x55772f068e50), 'C')
   Call: (208) [system] 'C'=')'
   Fail: (208) [system] 'C'=')'
   Call: (208) [system] 'C'=end_of_file
   Fail: (208) [system] 'C'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x55772f068e50), _1810492)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1812350)
   Exit: (210) [system] peek_char((0x55772f068e50), 'C')
   Call: (210) [system] 'C'=(;)
   Fail: (210) [system] 'C'=(;)
   Call: (210) [system] 'C'=(/)
   Fail: (210) [system] 'C'=(/)
^  Call: (210) [user] is_like_space('C')
   Call: (211) [system] char_type('C', 'white')
   Fail: (211) [system] char_type('C', 'white')
   Call: (211) [system] char_type('C', end_of_line)
   Fail: (211) [system] char_type('C', end_of_line)
   Call: (211) [system] char_type('C', space)
   Fail: (211) [system] char_type('C', space)
   Call: (211) [system] char_type('C', cntrl)
   Fail: (211) [system] char_type('C', cntrl)
^  Fail: (210) [user] is_like_space('C')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] get_char((0x55772f068e50), _1828360)
   Exit: (209) [system] get_char((0x55772f068e50), 'C')
   Call: (209) [system] 'C'='('
   Fail: (209) [system] 'C'='('
   Call: (209) [system] 'C'='['
   Fail: (209) [system] 'C'='['
   Call: (209) [system] 'C'='{'
   Fail: (209) [system] 'C'='{'
   Call: (209) [system] 'C'='"'
   Fail: (209) [system] 'C'='"'
   Call: (209) [system] 'C'=!
   Fail: (209) [system] 'C'=!
   Call: (209) [system] 'C'='\''
   Fail: (209) [system] 'C'='\''
   Call: (209) [system] 'C'='`'
   Fail: (209) [system] 'C'='`'
   Call: (209) [system] 'C'=end_of_file
   Fail: (209) [system] 'C'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x55772f068e50), 'C', _1810492)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1846002)
   Call: (211) [system] peek_char((0x55772f068e50), _1846936)
   Exit: (211) [system] peek_char((0x55772f068e50), o)
^  Call: (211) [user] is_delimiter(o)
   Call: (212) [system] char_type(o, space)
   Fail: (212) [system] char_type(o, space)
   Call: (212) [system] arg(_1851656, v('(', ')', end_of_file), o)
   Fail: (212) [system] arg(_1852588, v('(', ')', end_of_file), o)
^  Fail: (211) [user] is_delimiter(o)
   Call: (211) [system] ')'==o
   Fail: (211) [system] ')'==o
   Call: (211) [system] get_char((0x55772f068e50), o)
   Exit: (211) [system] get_char((0x55772f068e50), o)
   Call: (211) [system] o=(\)
   Fail: (211) [system] o=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1859938)
   Call: (212) [system] peek_char((0x55772f068e50), _1860872)
   Exit: (212) [system] peek_char((0x55772f068e50), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_1865592, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_1866524, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x55772f068e50), n)
   Exit: (212) [system] get_char((0x55772f068e50), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1873874)
   Call: (213) [system] peek_char((0x55772f068e50), _1874808)
   Exit: (213) [system] peek_char((0x55772f068e50), j)
^  Call: (213) [user] is_delimiter(j)
   Call: (214) [system] char_type(j, space)
   Fail: (214) [system] char_type(j, space)
   Call: (214) [system] arg(_1879528, v('(', ')', end_of_file), j)
   Fail: (214) [system] arg(_1880460, v('(', ')', end_of_file), j)
^  Fail: (213) [user] is_delimiter(j)
   Call: (213) [system] ')'==j
   Fail: (213) [system] ')'==j
   Call: (213) [system] get_char((0x55772f068e50), j)
   Exit: (213) [system] get_char((0x55772f068e50), j)
   Call: (213) [system] j=(\)
   Fail: (213) [system] j=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1887810)
   Call: (214) [system] peek_char((0x55772f068e50), _1888744)
   Exit: (214) [system] peek_char((0x55772f068e50), u)
^  Call: (214) [user] is_delimiter(u)
   Call: (215) [system] char_type(u, space)
   Fail: (215) [system] char_type(u, space)
   Call: (215) [system] arg(_1893464, v('(', ')', end_of_file), u)
   Fail: (215) [system] arg(_1894396, v('(', ')', end_of_file), u)
^  Fail: (214) [user] is_delimiter(u)
   Call: (214) [system] ')'==u
   Fail: (214) [system] ')'==u
   Call: (214) [system] get_char((0x55772f068e50), u)
   Exit: (214) [system] get_char((0x55772f068e50), u)
   Call: (214) [system] u=(\)
   Fail: (214) [system] u=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1901746)
   Call: (215) [system] peek_char((0x55772f068e50), _1902680)
   Exit: (215) [system] peek_char((0x55772f068e50), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1907400, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1908332, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x55772f068e50), n)
   Exit: (215) [system] get_char((0x55772f068e50), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1915682)
   Call: (216) [system] peek_char((0x55772f068e50), _1916616)
   Exit: (216) [system] peek_char((0x55772f068e50), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_1921336, v('(', ')', end_of_file), c)
   Fail: (217) [system] arg(_1922268, v('(', ')', end_of_file), c)
^  Fail: (216) [user] is_delimiter(c)
   Call: (216) [system] ')'==c
   Fail: (216) [system] ')'==c
   Call: (216) [system] get_char((0x55772f068e50), c)
   Exit: (216) [system] get_char((0x55772f068e50), c)
   Call: (216) [system] c=(\)
   Fail: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1929618)
   Call: (217) [system] peek_char((0x55772f068e50), _1930552)
   Exit: (217) [system] peek_char((0x55772f068e50), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Fail: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_1935272, v('(', ')', end_of_file), t)
   Fail: (218) [system] arg(_1936204, v('(', ')', end_of_file), t)
^  Fail: (217) [user] is_delimiter(t)
   Call: (217) [system] ')'==t
   Fail: (217) [system] ')'==t
   Call: (217) [system] get_char((0x55772f068e50), t)
   Exit: (217) [system] get_char((0x55772f068e50), t)
   Call: (217) [system] t=(\)
   Fail: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1943554)
   Call: (218) [system] peek_char((0x55772f068e50), _1944488)
   Exit: (218) [system] peek_char((0x55772f068e50), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_1949208, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_1950140, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x55772f068e50), i)
   Exit: (218) [system] get_char((0x55772f068e50), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1957490)
   Call: (219) [system] peek_char((0x55772f068e50), _1958424)
   Exit: (219) [system] peek_char((0x55772f068e50), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Fail: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_1963144, v('(', ')', end_of_file), o)
   Fail: (220) [system] arg(_1964076, v('(', ')', end_of_file), o)
^  Fail: (219) [user] is_delimiter(o)
   Call: (219) [system] ')'==o
   Fail: (219) [system] ')'==o
   Call: (219) [system] get_char((0x55772f068e50), o)
   Exit: (219) [system] get_char((0x55772f068e50), o)
   Call: (219) [system] o=(\)
   Fail: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1971426)
   Call: (220) [system] peek_char((0x55772f068e50), _1972360)
   Exit: (220) [system] peek_char((0x55772f068e50), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1977080, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1978012, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x55772f068e50), n)
   Exit: (220) [system] get_char((0x55772f068e50), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1985362)
   Call: (221) [system] peek_char((0x55772f068e50), _1986296)
   Exit: (221) [system] peek_char((0x55772f068e50), 'I')
^  Call: (221) [user] is_delimiter('I')
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] arg(_1991016, v('(', ')', end_of_file), 'I')
   Fail: (222) [system] arg(_1991948, v('(', ')', end_of_file), 'I')
^  Fail: (221) [user] is_delimiter('I')
   Call: (221) [system] ')'=='I'
   Fail: (221) [system] ')'=='I'
   Call: (221) [system] get_char((0x55772f068e50), 'I')
   Exit: (221) [system] get_char((0x55772f068e50), 'I')
   Call: (221) [system] 'I'=(\)
   Fail: (221) [system] 'I'=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1999298)
   Call: (222) [system] peek_char((0x55772f068e50), _2000232)
   Exit: (222) [system] peek_char((0x55772f068e50), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_2004952, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_2005884, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x55772f068e50), n)
   Exit: (222) [system] get_char((0x55772f068e50), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _2013234)
   Call: (223) [system] peek_char((0x55772f068e50), _2014168)
   Exit: (223) [system] peek_char((0x55772f068e50), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Fail: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_2018888, v('(', ')', end_of_file), t)
   Fail: (224) [system] arg(_2019820, v('(', ')', end_of_file), t)
^  Fail: (223) [user] is_delimiter(t)
   Call: (223) [system] ')'==t
   Fail: (223) [system] ')'==t
   Call: (223) [system] get_char((0x55772f068e50), t)
   Exit: (223) [system] get_char((0x55772f068e50), t)
   Call: (223) [system] t=(\)
   Fail: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _2027170)
   Call: (224) [system] peek_char((0x55772f068e50), _2028104)
   Exit: (224) [system] peek_char((0x55772f068e50), r)
^  Call: (224) [user] is_delimiter(r)
   Call: (225) [system] char_type(r, space)
   Fail: (225) [system] char_type(r, space)
   Call: (225) [system] arg(_2032824, v('(', ')', end_of_file), r)
   Fail: (225) [system] arg(_2033756, v('(', ')', end_of_file), r)
^  Fail: (224) [user] is_delimiter(r)
   Call: (224) [system] ')'==r
   Fail: (224) [system] ')'==r
   Call: (224) [system] get_char((0x55772f068e50), r)
   Exit: (224) [system] get_char((0x55772f068e50), r)
   Call: (224) [system] r=(\)
   Fail: (224) [system] r=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _2041106)
   Call: (225) [system] peek_char((0x55772f068e50), _2042040)
   Exit: (225) [system] peek_char((0x55772f068e50), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Fail: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_2046760, v('(', ')', end_of_file), o)
   Fail: (226) [system] arg(_2047692, v('(', ')', end_of_file), o)
^  Fail: (225) [user] is_delimiter(o)
   Call: (225) [system] ')'==o
   Fail: (225) [system] ')'==o
   Call: (225) [system] get_char((0x55772f068e50), o)
   Exit: (225) [system] get_char((0x55772f068e50), o)
   Call: (225) [system] o=(\)
   Fail: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _2055042)
   Call: (226) [system] peek_char((0x55772f068e50), _2055976)
   Exit: (226) [system] peek_char((0x55772f068e50), d)
^  Call: (226) [user] is_delimiter(d)
   Call: (227) [system] char_type(d, space)
   Fail: (227) [system] char_type(d, space)
   Call: (227) [system] arg(_2060696, v('(', ')', end_of_file), d)
   Fail: (227) [system] arg(_2061628, v('(', ')', end_of_file), d)
^  Fail: (226) [user] is_delimiter(d)
   Call: (226) [system] ')'==d
   Fail: (226) [system] ')'==d
   Call: (226) [system] get_char((0x55772f068e50), d)
   Exit: (226) [system] get_char((0x55772f068e50), d)
   Call: (226) [system] d=(\)
   Fail: (226) [system] d=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _2068978)
   Call: (227) [system] peek_char((0x55772f068e50), _2069912)
   Exit: (227) [system] peek_char((0x55772f068e50), u)
^  Call: (227) [user] is_delimiter(u)
   Call: (228) [system] char_type(u, space)
   Fail: (228) [system] char_type(u, space)
   Call: (228) [system] arg(_2074632, v('(', ')', end_of_file), u)
   Fail: (228) [system] arg(_2075564, v('(', ')', end_of_file), u)
^  Fail: (227) [user] is_delimiter(u)
   Call: (227) [system] ')'==u
   Fail: (227) [system] ')'==u
   Call: (227) [system] get_char((0x55772f068e50), u)
   Exit: (227) [system] get_char((0x55772f068e50), u)
   Call: (227) [system] u=(\)
   Fail: (227) [system] u=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _2082914)
   Call: (228) [system] peek_char((0x55772f068e50), _2083848)
   Exit: (228) [system] peek_char((0x55772f068e50), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_2088568, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_2089500, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x55772f068e50), c)
   Exit: (228) [system] get_char((0x55772f068e50), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _4726)
   Call: (229) [system] peek_char((0x55772f068e50), _5604)
   Exit: (229) [system] peek_char((0x55772f068e50), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_10324, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_11256, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x55772f068e50), t)
   Exit: (229) [system] get_char((0x55772f068e50), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _18606)
   Call: (230) [system] peek_char((0x55772f068e50), _19540)
   Exit: (230) [system] peek_char((0x55772f068e50), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_24260, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_25192, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x55772f068e50), i)
   Exit: (230) [system] get_char((0x55772f068e50), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _32542)
   Call: (231) [system] peek_char((0x55772f068e50), _33476)
   Exit: (231) [system] peek_char((0x55772f068e50), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_38196, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_39128, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x55772f068e50), o)
   Exit: (231) [system] get_char((0x55772f068e50), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _46478)
   Call: (232) [system] peek_char((0x55772f068e50), _47412)
   Exit: (232) [system] peek_char((0x55772f068e50), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_52132, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_53064, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x55772f068e50), n)
   Exit: (232) [system] get_char((0x55772f068e50), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _60414)
   Call: (233) [system] peek_char((0x55772f068e50), _61348)
   Exit: (233) [system] peek_char((0x55772f068e50), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _60414=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (232) [system] _46478=[n]
   Exit: (232) [system] [n]=[n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (231) [system] _32542=[o, n]
   Exit: (231) [system] [o, n]=[o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (230) [system] _18606=[i, o, n]
   Exit: (230) [system] [i, o, n]=[i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (229) [system] _4726=[t, i, o, n]
   Exit: (229) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (228) [system] _4720=[c, t, i, o, n]
   Exit: (228) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (227) [system] _4716=[u, c, t, i, o, n]
   Exit: (227) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (226) [system] _4712=[d, u, c, t, i, o, n]
   Exit: (226) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (225) [system] _4708=[o, d, u, c, t, i, o, n]
   Exit: (225) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (224) [system] _4704=[r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _4700=[t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _4696=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _4692=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _4688=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _4684=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _4680=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _4676=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _4672=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _4668=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _4664=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _4660=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _4656=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _4652=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (210) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4648)
^  Call: (211) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _132100)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_133052, _133054), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _132100), _133034, fail)), '$restore_trace'(_133052, _133054))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_133052, _133054))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _132100), _133034, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_132100)
   Fail: (212) [system] atomic(_132100)
   Call: (212) [system] atom_chars(_132100, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (212) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (211) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (211) [system] integer('ConjunctionIntroduction')
   Fail: (211) [system] integer('ConjunctionIntroduction')
   Call: (211) [system] _4648='ConjunctionIntroduction'
   Exit: (211) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (210) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (209) [user] read_symbolic(')', (0x55772f068e50), 'C', 'ConjunctionIntroduction')
^  Exit: (208) [user] cont_sexpr(')', (0x55772f068e50), 'ConjunctionIntroduction')
^  Call: (208) [user] read_list(')', (0x55772f068e50), _147050)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _148908)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x55772f068e50), _158502)
   Exit: (210) [system] get_char((0x55772f068e50), ' ')
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _161206)
   Exit: (211) [system] peek_char((0x55772f068e50), a)
   Call: (211) [system] a=(;)
   Fail: (211) [system] a=(;)
   Call: (211) [system] a=(/)
   Fail: (211) [system] a=(/)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Fail: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Fail: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
   Fail: (212) [system] char_type(a, cntrl)
^  Fail: (211) [user] is_like_space(a)
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _178140)
   Exit: (209) [system] peek_char((0x55772f068e50), a)
   Call: (209) [system] a=')'
   Fail: (209) [system] a=')'
   Call: (209) [system] a=end_of_file
   Fail: (209) [system] a=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x55772f068e50), _183710)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _185568)
   Exit: (211) [system] peek_char((0x55772f068e50), a)
   Call: (211) [system] a=(;)
   Fail: (211) [system] a=(;)
   Call: (211) [system] a=(/)
   Fail: (211) [system] a=(/)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Fail: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Fail: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
   Fail: (212) [system] char_type(a, cntrl)
^  Fail: (211) [user] is_like_space(a)
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] get_char((0x55772f068e50), _201578)
   Exit: (210) [system] get_char((0x55772f068e50), a)
   Call: (210) [system] a='('
   Fail: (210) [system] a='('
   Call: (210) [system] a='['
   Fail: (210) [system] a='['
   Call: (210) [system] a='{'
   Fail: (210) [system] a='{'
   Call: (210) [system] a='"'
   Fail: (210) [system] a='"'
   Call: (210) [system] a=!
   Fail: (210) [system] a=!
   Call: (210) [system] a='\''
   Fail: (210) [system] a='\''
   Call: (210) [system] a='`'
   Fail: (210) [system] a='`'
   Call: (210) [system] a=end_of_file
   Fail: (210) [system] a=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x55772f068e50), a, _183710)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _219220)
   Call: (212) [system] peek_char((0x55772f068e50), _220154)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _219220=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (211) [user] classify_and_convert_charseq([a], _183710)
^  Call: (212) [user] classify_and_convert_charseq_([a], _229438)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_230390, _230392), once(user:catch(read_from_chars([a], _229438), _230372, fail)), '$restore_trace'(_230390, _230392))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_230390, _230392))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _230372, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(a)
   Exit: (213) [system] atomic(a)
^  Exit: (212) [user] classify_and_convert_charseq_([a], a)
   Call: (212) [system] integer(a)
   Fail: (212) [system] integer(a)
   Call: (212) [system] _183710=a
   Exit: (212) [system] a=a
^  Exit: (211) [user] classify_and_convert_charseq([a], a)
^  Exit: (210) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (209) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (209) [user] read_list(')', (0x55772f068e50), _242518)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _244376)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x55772f068e50), _253970)
   Exit: (211) [system] get_char((0x55772f068e50), ' ')
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _256674)
   Exit: (212) [system] peek_char((0x55772f068e50), c)
   Call: (212) [system] c=(;)
   Fail: (212) [system] c=(;)
   Call: (212) [system] c=(/)
   Fail: (212) [system] c=(/)
^  Call: (212) [user] is_like_space(c)
   Call: (213) [system] char_type(c, 'white')
   Fail: (213) [system] char_type(c, 'white')
   Call: (213) [system] char_type(c, end_of_line)
   Fail: (213) [system] char_type(c, end_of_line)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] char_type(c, cntrl)
   Fail: (213) [system] char_type(c, cntrl)
^  Fail: (212) [user] is_like_space(c)
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _273608)
   Exit: (210) [system] peek_char((0x55772f068e50), c)
   Call: (210) [system] c=')'
   Fail: (210) [system] c=')'
   Call: (210) [system] c=end_of_file
   Fail: (210) [system] c=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x55772f068e50), _279178)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _281036)
   Exit: (212) [system] peek_char((0x55772f068e50), c)
   Call: (212) [system] c=(;)
   Fail: (212) [system] c=(;)
   Call: (212) [system] c=(/)
   Fail: (212) [system] c=(/)
^  Call: (212) [user] is_like_space(c)
   Call: (213) [system] char_type(c, 'white')
   Fail: (213) [system] char_type(c, 'white')
   Call: (213) [system] char_type(c, end_of_line)
   Fail: (213) [system] char_type(c, end_of_line)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] char_type(c, cntrl)
   Fail: (213) [system] char_type(c, cntrl)
^  Fail: (212) [user] is_like_space(c)
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] get_char((0x55772f068e50), _297046)
   Exit: (211) [system] get_char((0x55772f068e50), c)
   Call: (211) [system] c='('
   Fail: (211) [system] c='('
   Call: (211) [system] c='['
   Fail: (211) [system] c='['
   Call: (211) [system] c='{'
   Fail: (211) [system] c='{'
   Call: (211) [system] c='"'
   Fail: (211) [system] c='"'
   Call: (211) [system] c=!
   Fail: (211) [system] c=!
   Call: (211) [system] c='\''
   Fail: (211) [system] c='\''
   Call: (211) [system] c='`'
   Fail: (211) [system] c='`'
   Call: (211) [system] c=end_of_file
   Fail: (211) [system] c=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x55772f068e50), c, _279178)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _314688)
   Call: (213) [system] peek_char((0x55772f068e50), _315622)
   Exit: (213) [system] peek_char((0x55772f068e50), d)
^  Call: (213) [user] is_delimiter(d)
   Call: (214) [system] char_type(d, space)
   Fail: (214) [system] char_type(d, space)
   Call: (214) [system] arg(_320342, v('(', ')', end_of_file), d)
   Fail: (214) [system] arg(_321274, v('(', ')', end_of_file), d)
^  Fail: (213) [user] is_delimiter(d)
   Call: (213) [system] ')'==d
   Fail: (213) [system] ')'==d
   Call: (213) [system] get_char((0x55772f068e50), d)
   Exit: (213) [system] get_char((0x55772f068e50), d)
   Call: (213) [system] d=(\)
   Fail: (213) [system] d=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _328624)
   Call: (214) [system] peek_char((0x55772f068e50), _329558)
   Exit: (214) [system] peek_char((0x55772f068e50), e)
^  Call: (214) [user] is_delimiter(e)
   Call: (215) [system] char_type(e, space)
   Fail: (215) [system] char_type(e, space)
   Call: (215) [system] arg(_334278, v('(', ')', end_of_file), e)
   Fail: (215) [system] arg(_335210, v('(', ')', end_of_file), e)
^  Fail: (214) [user] is_delimiter(e)
   Call: (214) [system] ')'==e
   Fail: (214) [system] ')'==e
   Call: (214) [system] get_char((0x55772f068e50), e)
   Exit: (214) [system] get_char((0x55772f068e50), e)
   Call: (214) [system] e=(\)
   Fail: (214) [system] e=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _342560)
   Call: (215) [system] peek_char((0x55772f068e50), _343494)
   Exit: (215) [system] peek_char((0x55772f068e50), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_348214, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _342560=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (214) [system] _328624=[e]
   Exit: (214) [system] [e]=[e]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (213) [system] _314688=[d, e]
   Exit: (213) [system] [d, e]=[d, e]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [d, e])
^  Call: (212) [user] classify_and_convert_charseq([c, d, e], _279178)
^  Call: (213) [user] classify_and_convert_charseq_([c, d, e], _360238)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_361190, _361192), once(user:catch(read_from_chars([c, d, e], _360238), _361172, fail)), '$restore_trace'(_361190, _361192))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_361190, _361192))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _361172, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(cde)
   Exit: (214) [system] atomic(cde)
^  Exit: (213) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (213) [system] integer(cde)
   Fail: (213) [system] integer(cde)
   Call: (213) [system] _279178=cde
   Exit: (213) [system] cde=cde
^  Exit: (212) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (211) [user] read_symbolic(')', (0x55772f068e50), c, cde)
^  Exit: (210) [user] cont_sexpr(')', (0x55772f068e50), cde)
^  Call: (210) [user] read_list(')', (0x55772f068e50), _373318)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _375176)
   Exit: (212) [system] peek_char((0x55772f068e50), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _391186)
   Exit: (211) [system] peek_char((0x55772f068e50), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x55772f068e50), _394976)
   Exit: (211) [system] get_char((0x55772f068e50), ')')
   Call: (211) [system] _373318=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x55772f068e50), [])
   Call: (210) [system] _242518=[cde]
   Exit: (210) [system] [cde]=[cde]
^  Exit: (209) [user] read_list(')', (0x55772f068e50), [cde])
   Call: (209) [system] _147050=[a, cde]
   Exit: (209) [system] [a, cde]=[a, cde]
^  Exit: (208) [user] read_list(')', (0x55772f068e50), [a, cde])
   Call: (208) [system] _4642=['ConjunctionIntroduction', a, cde]
   Exit: (208) [system] ['ConjunctionIntroduction', a, cde]=['ConjunctionIntroduction', a, cde]
^  Exit: (207) [user] read_list(')', (0x55772f068e50), ['ConjunctionIntroduction', a, cde])
^  Exit: (206) [user] cont_sexpr(')', (0x55772f068e50), ['ConjunctionIntroduction', a, cde])
^  Call: (206) [user] read_list(')', (0x55772f068e50), _408858)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _410716)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x55772f068e50), _420310)
   Exit: (208) [system] get_char((0x55772f068e50), ' ')
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _423014)
   Exit: (209) [system] peek_char((0x55772f068e50), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _439948)
   Exit: (207) [system] peek_char((0x55772f068e50), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x55772f068e50), _445518)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _447376)
   Exit: (209) [system] peek_char((0x55772f068e50), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] get_char((0x55772f068e50), _463386)
   Exit: (208) [system] get_char((0x55772f068e50), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x55772f068e50), _445518)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _468956)
   Exit: (210) [system] peek_char((0x55772f068e50), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
   Call: (210) [system] 'A'=(/)
   Fail: (210) [system] 'A'=(/)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _484966)
   Exit: (209) [system] peek_char((0x55772f068e50), 'A')
   Call: (209) [system] 'A'=')'
   Fail: (209) [system] 'A'=')'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x55772f068e50), _490536)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _492394)
   Exit: (211) [system] peek_char((0x55772f068e50), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
   Call: (211) [system] 'A'=(/)
   Fail: (211) [system] 'A'=(/)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] get_char((0x55772f068e50), _508404)
   Exit: (210) [system] get_char((0x55772f068e50), 'A')
   Call: (210) [system] 'A'='('
   Fail: (210) [system] 'A'='('
   Call: (210) [system] 'A'='['
   Fail: (210) [system] 'A'='['
   Call: (210) [system] 'A'='{'
   Fail: (210) [system] 'A'='{'
   Call: (210) [system] 'A'='"'
   Fail: (210) [system] 'A'='"'
   Call: (210) [system] 'A'=!
   Fail: (210) [system] 'A'=!
   Call: (210) [system] 'A'='\''
   Fail: (210) [system] 'A'='\''
   Call: (210) [system] 'A'='`'
   Fail: (210) [system] 'A'='`'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x55772f068e50), 'A', _490536)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _526046)
   Call: (212) [system] peek_char((0x55772f068e50), _526980)
   Exit: (212) [system] peek_char((0x55772f068e50), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_531700, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_532632, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x55772f068e50), n)
   Exit: (212) [system] get_char((0x55772f068e50), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _539982)
   Call: (213) [system] peek_char((0x55772f068e50), _540916)
   Exit: (213) [system] peek_char((0x55772f068e50), d)
^  Call: (213) [user] is_delimiter(d)
   Call: (214) [system] char_type(d, space)
   Fail: (214) [system] char_type(d, space)
   Call: (214) [system] arg(_545636, v('(', ')', end_of_file), d)
   Fail: (214) [system] arg(_546568, v('(', ')', end_of_file), d)
^  Fail: (213) [user] is_delimiter(d)
   Call: (213) [system] ')'==d
   Fail: (213) [system] ')'==d
   Call: (213) [system] get_char((0x55772f068e50), d)
   Exit: (213) [system] get_char((0x55772f068e50), d)
   Call: (213) [system] d=(\)
   Fail: (213) [system] d=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _553918)
   Call: (214) [system] peek_char((0x55772f068e50), _554852)
   Exit: (214) [system] peek_char((0x55772f068e50), 'L')
^  Call: (214) [user] is_delimiter('L')
   Call: (215) [system] char_type('L', space)
   Fail: (215) [system] char_type('L', space)
   Call: (215) [system] arg(_559572, v('(', ')', end_of_file), 'L')
   Fail: (215) [system] arg(_560504, v('(', ')', end_of_file), 'L')
^  Fail: (214) [user] is_delimiter('L')
   Call: (214) [system] ')'=='L'
   Fail: (214) [system] ')'=='L'
   Call: (214) [system] get_char((0x55772f068e50), 'L')
   Exit: (214) [system] get_char((0x55772f068e50), 'L')
   Call: (214) [system] 'L'=(\)
   Fail: (214) [system] 'L'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _567854)
   Call: (215) [system] peek_char((0x55772f068e50), _568788)
   Exit: (215) [system] peek_char((0x55772f068e50), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_573508, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_574440, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x55772f068e50), i)
   Exit: (215) [system] get_char((0x55772f068e50), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _581790)
   Call: (216) [system] peek_char((0x55772f068e50), _582724)
   Exit: (216) [system] peek_char((0x55772f068e50), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_587444, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_588376, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x55772f068e50), n)
   Exit: (216) [system] get_char((0x55772f068e50), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _595726)
   Call: (217) [system] peek_char((0x55772f068e50), _596660)
   Exit: (217) [system] peek_char((0x55772f068e50), k)
^  Call: (217) [user] is_delimiter(k)
   Call: (218) [system] char_type(k, space)
   Fail: (218) [system] char_type(k, space)
   Call: (218) [system] arg(_601380, v('(', ')', end_of_file), k)
   Fail: (218) [system] arg(_602312, v('(', ')', end_of_file), k)
^  Fail: (217) [user] is_delimiter(k)
   Call: (217) [system] ')'==k
   Fail: (217) [system] ')'==k
   Call: (217) [system] get_char((0x55772f068e50), k)
   Exit: (217) [system] get_char((0x55772f068e50), k)
   Call: (217) [system] k=(\)
   Fail: (217) [system] k=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _609662)
   Call: (218) [system] peek_char((0x55772f068e50), _610596)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _609662=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (217) [system] _595726=[k]
   Exit: (217) [system] [k]=[k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (216) [system] _581790=[n, k]
   Exit: (216) [system] [n, k]=[n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (215) [system] _567854=[i, n, k]
   Exit: (215) [system] [i, n, k]=[i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (214) [system] _553918=['L', i, n, k]
   Exit: (214) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (213) [system] _539982=[d, 'L', i, n, k]
   Exit: (213) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (212) [system] _526046=[n, d, 'L', i, n, k]
   Exit: (212) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (211) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _490536)
^  Call: (212) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _636644)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_637596, _637598), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _636644), _637578, fail)), '$restore_trace'(_637596, _637598))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_637596, _637598))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _636644), _637578, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_636644)
   Fail: (213) [system] atomic(_636644)
   Call: (213) [system] atom_chars(_636644, ['A', n, d, 'L', i, n, k])
   Exit: (213) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (212) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (212) [system] integer('AndLink')
   Fail: (212) [system] integer('AndLink')
   Call: (212) [system] _490536='AndLink'
   Exit: (212) [system] 'AndLink'='AndLink'
^  Exit: (211) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (210) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (209) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (209) [user] read_list(')', (0x55772f068e50), _651594)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _653452)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x55772f068e50), _663046)
   Exit: (211) [system] get_char((0x55772f068e50), ' ')
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _665750)
   Exit: (212) [system] peek_char((0x55772f068e50), 'A')
   Call: (212) [system] 'A'=(;)
   Fail: (212) [system] 'A'=(;)
   Call: (212) [system] 'A'=(/)
   Fail: (212) [system] 'A'=(/)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Fail: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Fail: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Fail: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
   Fail: (213) [system] char_type('A', cntrl)
^  Fail: (212) [user] is_like_space('A')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _682684)
   Exit: (210) [system] peek_char((0x55772f068e50), 'A')
   Call: (210) [system] 'A'=')'
   Fail: (210) [system] 'A'=')'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x55772f068e50), _688254)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _690112)
   Exit: (212) [system] peek_char((0x55772f068e50), 'A')
   Call: (212) [system] 'A'=(;)
   Fail: (212) [system] 'A'=(;)
   Call: (212) [system] 'A'=(/)
   Fail: (212) [system] 'A'=(/)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Fail: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Fail: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Fail: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
   Fail: (213) [system] char_type('A', cntrl)
^  Fail: (212) [user] is_like_space('A')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] get_char((0x55772f068e50), _706122)
   Exit: (211) [system] get_char((0x55772f068e50), 'A')
   Call: (211) [system] 'A'='('
   Fail: (211) [system] 'A'='('
   Call: (211) [system] 'A'='['
   Fail: (211) [system] 'A'='['
   Call: (211) [system] 'A'='{'
   Fail: (211) [system] 'A'='{'
   Call: (211) [system] 'A'='"'
   Fail: (211) [system] 'A'='"'
   Call: (211) [system] 'A'=!
   Fail: (211) [system] 'A'=!
   Call: (211) [system] 'A'='\''
   Fail: (211) [system] 'A'='\''
   Call: (211) [system] 'A'='`'
   Fail: (211) [system] 'A'='`'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x55772f068e50), 'A', _688254)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _723764)
   Call: (213) [system] peek_char((0x55772f068e50), _724698)
   Exit: (213) [system] peek_char((0x55772f068e50), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _723764=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (212) [user] classify_and_convert_charseq(['A'], _688254)
^  Call: (213) [user] classify_and_convert_charseq_(['A'], _733982)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_734934, _734936), once(user:catch(read_from_chars(['A'], _733982), _734916, fail)), '$restore_trace'(_734934, _734936))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_734934, _734936))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _733982), _734916, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_733982)
   Fail: (214) [system] atomic(_733982)
   Call: (214) [system] atom_chars(_733982, ['A'])
   Exit: (214) [system] atom_chars('A', ['A'])
^  Exit: (213) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (213) [system] integer('A')
   Fail: (213) [system] integer('A')
   Call: (213) [system] _688254='A'
   Exit: (213) [system] 'A'='A'
^  Exit: (212) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (211) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (210) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (210) [user] read_list(')', (0x55772f068e50), _748932)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _750790)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x55772f068e50), _760384)
   Exit: (212) [system] get_char((0x55772f068e50), ' ')
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _763088)
   Exit: (213) [system] peek_char((0x55772f068e50), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _780022)
   Exit: (211) [system] peek_char((0x55772f068e50), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x55772f068e50), _785592)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _787450)
   Exit: (213) [system] peek_char((0x55772f068e50), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] get_char((0x55772f068e50), _803460)
   Exit: (212) [system] get_char((0x55772f068e50), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x55772f068e50), _785592)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _809030)
   Exit: (214) [system] peek_char((0x55772f068e50), 'I')
   Call: (214) [system] 'I'=(;)
   Fail: (214) [system] 'I'=(;)
   Call: (214) [system] 'I'=(/)
   Fail: (214) [system] 'I'=(/)
^  Call: (214) [user] is_like_space('I')
   Call: (215) [system] char_type('I', 'white')
   Fail: (215) [system] char_type('I', 'white')
   Call: (215) [system] char_type('I', end_of_line)
   Fail: (215) [system] char_type('I', end_of_line)
   Call: (215) [system] char_type('I', space)
   Fail: (215) [system] char_type('I', space)
   Call: (215) [system] char_type('I', cntrl)
   Fail: (215) [system] char_type('I', cntrl)
^  Fail: (214) [user] is_like_space('I')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _825040)
   Exit: (213) [system] peek_char((0x55772f068e50), 'I')
   Call: (213) [system] 'I'=')'
   Fail: (213) [system] 'I'=')'
   Call: (213) [system] 'I'=end_of_file
   Fail: (213) [system] 'I'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _830610)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _832468)
   Exit: (215) [system] peek_char((0x55772f068e50), 'I')
   Call: (215) [system] 'I'=(;)
   Fail: (215) [system] 'I'=(;)
   Call: (215) [system] 'I'=(/)
   Fail: (215) [system] 'I'=(/)
^  Call: (215) [user] is_like_space('I')
   Call: (216) [system] char_type('I', 'white')
   Fail: (216) [system] char_type('I', 'white')
   Call: (216) [system] char_type('I', end_of_line)
   Fail: (216) [system] char_type('I', end_of_line)
   Call: (216) [system] char_type('I', space)
   Fail: (216) [system] char_type('I', space)
   Call: (216) [system] char_type('I', cntrl)
   Fail: (216) [system] char_type('I', cntrl)
^  Fail: (215) [user] is_like_space('I')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _848478)
   Exit: (214) [system] get_char((0x55772f068e50), 'I')
   Call: (214) [system] 'I'='('
   Fail: (214) [system] 'I'='('
   Call: (214) [system] 'I'='['
   Fail: (214) [system] 'I'='['
   Call: (214) [system] 'I'='{'
   Fail: (214) [system] 'I'='{'
   Call: (214) [system] 'I'='"'
   Fail: (214) [system] 'I'='"'
   Call: (214) [system] 'I'=!
   Fail: (214) [system] 'I'=!
   Call: (214) [system] 'I'='\''
   Fail: (214) [system] 'I'='\''
   Call: (214) [system] 'I'='`'
   Fail: (214) [system] 'I'='`'
   Call: (214) [system] 'I'=end_of_file
   Fail: (214) [system] 'I'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x55772f068e50), 'I', _830610)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _866120)
   Call: (216) [system] peek_char((0x55772f068e50), _867054)
   Exit: (216) [system] peek_char((0x55772f068e50), m)
^  Call: (216) [user] is_delimiter(m)
   Call: (217) [system] char_type(m, space)
   Fail: (217) [system] char_type(m, space)
   Call: (217) [system] arg(_871774, v('(', ')', end_of_file), m)
   Fail: (217) [system] arg(_872706, v('(', ')', end_of_file), m)
^  Fail: (216) [user] is_delimiter(m)
   Call: (216) [system] ')'==m
   Fail: (216) [system] ')'==m
   Call: (216) [system] get_char((0x55772f068e50), m)
   Exit: (216) [system] get_char((0x55772f068e50), m)
   Call: (216) [system] m=(\)
   Fail: (216) [system] m=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _880056)
   Call: (217) [system] peek_char((0x55772f068e50), _880990)
   Exit: (217) [system] peek_char((0x55772f068e50), p)
^  Call: (217) [user] is_delimiter(p)
   Call: (218) [system] char_type(p, space)
   Fail: (218) [system] char_type(p, space)
   Call: (218) [system] arg(_885710, v('(', ')', end_of_file), p)
   Fail: (218) [system] arg(_886642, v('(', ')', end_of_file), p)
^  Fail: (217) [user] is_delimiter(p)
   Call: (217) [system] ')'==p
   Fail: (217) [system] ')'==p
   Call: (217) [system] get_char((0x55772f068e50), p)
   Exit: (217) [system] get_char((0x55772f068e50), p)
   Call: (217) [system] p=(\)
   Fail: (217) [system] p=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _893992)
   Call: (218) [system] peek_char((0x55772f068e50), _894926)
   Exit: (218) [system] peek_char((0x55772f068e50), l)
^  Call: (218) [user] is_delimiter(l)
   Call: (219) [system] char_type(l, space)
   Fail: (219) [system] char_type(l, space)
   Call: (219) [system] arg(_899646, v('(', ')', end_of_file), l)
   Fail: (219) [system] arg(_900578, v('(', ')', end_of_file), l)
^  Fail: (218) [user] is_delimiter(l)
   Call: (218) [system] ')'==l
   Fail: (218) [system] ')'==l
   Call: (218) [system] get_char((0x55772f068e50), l)
   Exit: (218) [system] get_char((0x55772f068e50), l)
   Call: (218) [system] l=(\)
   Fail: (218) [system] l=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _907928)
   Call: (219) [system] peek_char((0x55772f068e50), _908862)
   Exit: (219) [system] peek_char((0x55772f068e50), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_913582, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_914514, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x55772f068e50), i)
   Exit: (219) [system] get_char((0x55772f068e50), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _921864)
   Call: (220) [system] peek_char((0x55772f068e50), _922798)
   Exit: (220) [system] peek_char((0x55772f068e50), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_927518, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_928450, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x55772f068e50), c)
   Exit: (220) [system] get_char((0x55772f068e50), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _935800)
   Call: (221) [system] peek_char((0x55772f068e50), _936734)
   Exit: (221) [system] peek_char((0x55772f068e50), a)
^  Call: (221) [user] is_delimiter(a)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] arg(_941454, v('(', ')', end_of_file), a)
   Fail: (222) [system] arg(_942386, v('(', ')', end_of_file), a)
^  Fail: (221) [user] is_delimiter(a)
   Call: (221) [system] ')'==a
   Fail: (221) [system] ')'==a
   Call: (221) [system] get_char((0x55772f068e50), a)
   Exit: (221) [system] get_char((0x55772f068e50), a)
   Call: (221) [system] a=(\)
   Fail: (221) [system] a=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _949736)
   Call: (222) [system] peek_char((0x55772f068e50), _950670)
   Exit: (222) [system] peek_char((0x55772f068e50), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_955390, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_956322, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x55772f068e50), t)
   Exit: (222) [system] get_char((0x55772f068e50), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _963672)
   Call: (223) [system] peek_char((0x55772f068e50), _964606)
   Exit: (223) [system] peek_char((0x55772f068e50), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_969326, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_970258, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x55772f068e50), i)
   Exit: (223) [system] get_char((0x55772f068e50), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _977608)
   Call: (224) [system] peek_char((0x55772f068e50), _978542)
   Exit: (224) [system] peek_char((0x55772f068e50), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_983262, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_984194, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x55772f068e50), o)
   Exit: (224) [system] get_char((0x55772f068e50), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _991544)
   Call: (225) [system] peek_char((0x55772f068e50), _992478)
   Exit: (225) [system] peek_char((0x55772f068e50), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_997198, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_998130, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x55772f068e50), n)
   Exit: (225) [system] get_char((0x55772f068e50), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1005480)
   Call: (226) [system] peek_char((0x55772f068e50), _1006414)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1005480=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (225) [system] _991544=[n]
   Exit: (225) [system] [n]=[n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (224) [system] _977608=[o, n]
   Exit: (224) [system] [o, n]=[o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (223) [system] _963672=[i, o, n]
   Exit: (223) [system] [i, o, n]=[i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (222) [system] _949736=[t, i, o, n]
   Exit: (222) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (221) [system] _935800=[a, t, i, o, n]
   Exit: (221) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (220) [system] _921864=[c, a, t, i, o, n]
   Exit: (220) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (219) [system] _907928=[i, c, a, t, i, o, n]
   Exit: (219) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (218) [system] _893992=[l, i, c, a, t, i, o, n]
   Exit: (218) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (217) [system] _880056=[p, l, i, c, a, t, i, o, n]
   Exit: (217) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (216) [system] _866120=[m, p, l, i, c, a, t, i, o, n]
   Exit: (216) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (215) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _830610)
^  Call: (216) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1043638)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1044590, _1044592), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1043638), _1044572, fail)), '$restore_trace'(_1044590, _1044592))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1044590, _1044592))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1043638), _1044572, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1043638)
   Fail: (217) [system] atomic(_1043638)
   Call: (217) [system] atom_chars(_1043638, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (217) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (216) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (216) [system] integer('Implication')
   Fail: (216) [system] integer('Implication')
   Call: (216) [system] _830610='Implication'
   Exit: (216) [system] 'Implication'='Implication'
^  Exit: (215) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (214) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (213) [user] read_list(')', (0x55772f068e50), _1058588)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1060446)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x55772f068e50), _1070040)
   Exit: (215) [system] get_char((0x55772f068e50), ' ')
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1072744)
   Exit: (216) [system] peek_char((0x55772f068e50), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1089678)
   Exit: (214) [system] peek_char((0x55772f068e50), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _1095248)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1097106)
   Exit: (216) [system] peek_char((0x55772f068e50), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _1113116)
   Exit: (215) [system] get_char((0x55772f068e50), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x55772f068e50), _1095248)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1118686)
   Exit: (217) [system] peek_char((0x55772f068e50), 'O')
   Call: (217) [system] 'O'=(;)
   Fail: (217) [system] 'O'=(;)
   Call: (217) [system] 'O'=(/)
   Fail: (217) [system] 'O'=(/)
^  Call: (217) [user] is_like_space('O')
   Call: (218) [system] char_type('O', 'white')
   Fail: (218) [system] char_type('O', 'white')
   Call: (218) [system] char_type('O', end_of_line)
   Fail: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] char_type('O', space)
   Fail: (218) [system] char_type('O', space)
   Call: (218) [system] char_type('O', cntrl)
   Fail: (218) [system] char_type('O', cntrl)
^  Fail: (217) [user] is_like_space('O')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1134696)
   Exit: (216) [system] peek_char((0x55772f068e50), 'O')
   Call: (216) [system] 'O'=')'
   Fail: (216) [system] 'O'=')'
   Call: (216) [system] 'O'=end_of_file
   Fail: (216) [system] 'O'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x55772f068e50), _1140266)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1142124)
   Exit: (218) [system] peek_char((0x55772f068e50), 'O')
   Call: (218) [system] 'O'=(;)
   Fail: (218) [system] 'O'=(;)
   Call: (218) [system] 'O'=(/)
   Fail: (218) [system] 'O'=(/)
^  Call: (218) [user] is_like_space('O')
   Call: (219) [system] char_type('O', 'white')
   Fail: (219) [system] char_type('O', 'white')
   Call: (219) [system] char_type('O', end_of_line)
   Fail: (219) [system] char_type('O', end_of_line)
   Call: (219) [system] char_type('O', space)
   Fail: (219) [system] char_type('O', space)
   Call: (219) [system] char_type('O', cntrl)
   Fail: (219) [system] char_type('O', cntrl)
^  Fail: (218) [user] is_like_space('O')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] get_char((0x55772f068e50), _1158134)
   Exit: (217) [system] get_char((0x55772f068e50), 'O')
   Call: (217) [system] 'O'='('
   Fail: (217) [system] 'O'='('
   Call: (217) [system] 'O'='['
   Fail: (217) [system] 'O'='['
   Call: (217) [system] 'O'='{'
   Fail: (217) [system] 'O'='{'
   Call: (217) [system] 'O'='"'
   Fail: (217) [system] 'O'='"'
   Call: (217) [system] 'O'=!
   Fail: (217) [system] 'O'=!
   Call: (217) [system] 'O'='\''
   Fail: (217) [system] 'O'='\''
   Call: (217) [system] 'O'='`'
   Fail: (217) [system] 'O'='`'
   Call: (217) [system] 'O'=end_of_file
   Fail: (217) [system] 'O'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x55772f068e50), 'O', _1140266)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1175776)
   Call: (219) [system] peek_char((0x55772f068e50), _1176710)
   Exit: (219) [system] peek_char((0x55772f068e50), r)
^  Call: (219) [user] is_delimiter(r)
   Call: (220) [system] char_type(r, space)
   Fail: (220) [system] char_type(r, space)
   Call: (220) [system] arg(_1181430, v('(', ')', end_of_file), r)
   Fail: (220) [system] arg(_1182362, v('(', ')', end_of_file), r)
^  Fail: (219) [user] is_delimiter(r)
   Call: (219) [system] ')'==r
   Fail: (219) [system] ')'==r
   Call: (219) [system] get_char((0x55772f068e50), r)
   Exit: (219) [system] get_char((0x55772f068e50), r)
   Call: (219) [system] r=(\)
   Fail: (219) [system] r=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1189712)
   Call: (220) [system] peek_char((0x55772f068e50), _1190646)
   Exit: (220) [system] peek_char((0x55772f068e50), 'L')
^  Call: (220) [user] is_delimiter('L')
   Call: (221) [system] char_type('L', space)
   Fail: (221) [system] char_type('L', space)
   Call: (221) [system] arg(_1195366, v('(', ')', end_of_file), 'L')
   Fail: (221) [system] arg(_1196298, v('(', ')', end_of_file), 'L')
^  Fail: (220) [user] is_delimiter('L')
   Call: (220) [system] ')'=='L'
   Fail: (220) [system] ')'=='L'
   Call: (220) [system] get_char((0x55772f068e50), 'L')
   Exit: (220) [system] get_char((0x55772f068e50), 'L')
   Call: (220) [system] 'L'=(\)
   Fail: (220) [system] 'L'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1203648)
   Call: (221) [system] peek_char((0x55772f068e50), _1204582)
   Exit: (221) [system] peek_char((0x55772f068e50), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1209302, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1210234, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x55772f068e50), i)
   Exit: (221) [system] get_char((0x55772f068e50), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1217584)
   Call: (222) [system] peek_char((0x55772f068e50), _1218518)
   Exit: (222) [system] peek_char((0x55772f068e50), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1223238, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1224170, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x55772f068e50), n)
   Exit: (222) [system] get_char((0x55772f068e50), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1231520)
   Call: (223) [system] peek_char((0x55772f068e50), _1232454)
   Exit: (223) [system] peek_char((0x55772f068e50), k)
^  Call: (223) [user] is_delimiter(k)
   Call: (224) [system] char_type(k, space)
   Fail: (224) [system] char_type(k, space)
   Call: (224) [system] arg(_1237174, v('(', ')', end_of_file), k)
   Fail: (224) [system] arg(_1238106, v('(', ')', end_of_file), k)
^  Fail: (223) [user] is_delimiter(k)
   Call: (223) [system] ')'==k
   Fail: (223) [system] ')'==k
   Call: (223) [system] get_char((0x55772f068e50), k)
   Exit: (223) [system] get_char((0x55772f068e50), k)
   Call: (223) [system] k=(\)
   Fail: (223) [system] k=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1245456)
   Call: (224) [system] peek_char((0x55772f068e50), _1246390)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1245456=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (223) [system] _1231520=[k]
   Exit: (223) [system] [k]=[k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (222) [system] _1217584=[n, k]
   Exit: (222) [system] [n, k]=[n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (221) [system] _1203648=[i, n, k]
   Exit: (221) [system] [i, n, k]=[i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (220) [system] _1189712=['L', i, n, k]
   Exit: (220) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (219) [system] _1175776=[r, 'L', i, n, k]
   Exit: (219) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (218) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1140266)
^  Call: (219) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1269644)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1270596, _1270598), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1269644), _1270578, fail)), '$restore_trace'(_1270596, _1270598))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1270596, _1270598))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1269644), _1270578, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1269644)
   Fail: (220) [system] atomic(_1269644)
   Call: (220) [system] atom_chars(_1269644, ['O', r, 'L', i, n, k])
   Exit: (220) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (219) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (219) [system] integer('OrLink')
   Fail: (219) [system] integer('OrLink')
   Call: (219) [system] _1140266='OrLink'
   Exit: (219) [system] 'OrLink'='OrLink'
^  Exit: (218) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (217) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (216) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (216) [user] read_list(')', (0x55772f068e50), _1284594)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1286452)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x55772f068e50), _1296046)
   Exit: (218) [system] get_char((0x55772f068e50), ' ')
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1298750)
   Exit: (219) [system] peek_char((0x55772f068e50), 'C')
   Call: (219) [system] 'C'=(;)
   Fail: (219) [system] 'C'=(;)
   Call: (219) [system] 'C'=(/)
   Fail: (219) [system] 'C'=(/)
^  Call: (219) [user] is_like_space('C')
   Call: (220) [system] char_type('C', 'white')
   Fail: (220) [system] char_type('C', 'white')
   Call: (220) [system] char_type('C', end_of_line)
   Fail: (220) [system] char_type('C', end_of_line)
   Call: (220) [system] char_type('C', space)
   Fail: (220) [system] char_type('C', space)
   Call: (220) [system] char_type('C', cntrl)
   Fail: (220) [system] char_type('C', cntrl)
^  Fail: (219) [user] is_like_space('C')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1315684)
   Exit: (217) [system] peek_char((0x55772f068e50), 'C')
   Call: (217) [system] 'C'=')'
   Fail: (217) [system] 'C'=')'
   Call: (217) [system] 'C'=end_of_file
   Fail: (217) [system] 'C'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _1321254)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1323112)
   Exit: (219) [system] peek_char((0x55772f068e50), 'C')
   Call: (219) [system] 'C'=(;)
   Fail: (219) [system] 'C'=(;)
   Call: (219) [system] 'C'=(/)
   Fail: (219) [system] 'C'=(/)
^  Call: (219) [user] is_like_space('C')
   Call: (220) [system] char_type('C', 'white')
   Fail: (220) [system] char_type('C', 'white')
   Call: (220) [system] char_type('C', end_of_line)
   Fail: (220) [system] char_type('C', end_of_line)
   Call: (220) [system] char_type('C', space)
   Fail: (220) [system] char_type('C', space)
   Call: (220) [system] char_type('C', cntrl)
   Fail: (220) [system] char_type('C', cntrl)
^  Fail: (219) [user] is_like_space('C')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _1339122)
   Exit: (218) [system] get_char((0x55772f068e50), 'C')
   Call: (218) [system] 'C'='('
   Fail: (218) [system] 'C'='('
   Call: (218) [system] 'C'='['
   Fail: (218) [system] 'C'='['
   Call: (218) [system] 'C'='{'
   Fail: (218) [system] 'C'='{'
   Call: (218) [system] 'C'='"'
   Fail: (218) [system] 'C'='"'
   Call: (218) [system] 'C'=!
   Fail: (218) [system] 'C'=!
   Call: (218) [system] 'C'='\''
   Fail: (218) [system] 'C'='\''
   Call: (218) [system] 'C'='`'
   Fail: (218) [system] 'C'='`'
   Call: (218) [system] 'C'=end_of_file
   Fail: (218) [system] 'C'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x55772f068e50), 'C', _1321254)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1356764)
   Call: (220) [system] peek_char((0x55772f068e50), _1357698)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _1356764=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (219) [user] classify_and_convert_charseq(['C'], _1321254)
^  Call: (220) [user] classify_and_convert_charseq_(['C'], _1366982)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1367934, _1367936), once(user:catch(read_from_chars(['C'], _1366982), _1367916, fail)), '$restore_trace'(_1367934, _1367936))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1367934, _1367936))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1366982), _1367916, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_1366982)
   Fail: (221) [system] atomic(_1366982)
   Call: (221) [system] atom_chars(_1366982, ['C'])
   Exit: (221) [system] atom_chars('C', ['C'])
^  Exit: (220) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (220) [system] integer('C')
   Fail: (220) [system] integer('C')
   Call: (220) [system] _1321254='C'
   Exit: (220) [system] 'C'='C'
^  Exit: (219) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (218) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (217) [user] read_list(')', (0x55772f068e50), _1381932)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1383790)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x55772f068e50), _1393384)
   Exit: (219) [system] get_char((0x55772f068e50), ' ')
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1396088)
   Exit: (220) [system] peek_char((0x55772f068e50), 'D')
   Call: (220) [system] 'D'=(;)
   Fail: (220) [system] 'D'=(;)
   Call: (220) [system] 'D'=(/)
   Fail: (220) [system] 'D'=(/)
^  Call: (220) [user] is_like_space('D')
   Call: (221) [system] char_type('D', 'white')
   Fail: (221) [system] char_type('D', 'white')
   Call: (221) [system] char_type('D', end_of_line)
   Fail: (221) [system] char_type('D', end_of_line)
   Call: (221) [system] char_type('D', space)
   Fail: (221) [system] char_type('D', space)
   Call: (221) [system] char_type('D', cntrl)
   Fail: (221) [system] char_type('D', cntrl)
^  Fail: (220) [user] is_like_space('D')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1413022)
   Exit: (218) [system] peek_char((0x55772f068e50), 'D')
   Call: (218) [system] 'D'=')'
   Fail: (218) [system] 'D'=')'
   Call: (218) [system] 'D'=end_of_file
   Fail: (218) [system] 'D'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _1418592)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1420450)
   Exit: (220) [system] peek_char((0x55772f068e50), 'D')
   Call: (220) [system] 'D'=(;)
   Fail: (220) [system] 'D'=(;)
   Call: (220) [system] 'D'=(/)
   Fail: (220) [system] 'D'=(/)
^  Call: (220) [user] is_like_space('D')
   Call: (221) [system] char_type('D', 'white')
   Fail: (221) [system] char_type('D', 'white')
   Call: (221) [system] char_type('D', end_of_line)
   Fail: (221) [system] char_type('D', end_of_line)
   Call: (221) [system] char_type('D', space)
   Fail: (221) [system] char_type('D', space)
   Call: (221) [system] char_type('D', cntrl)
   Fail: (221) [system] char_type('D', cntrl)
^  Fail: (220) [user] is_like_space('D')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _1436460)
   Exit: (219) [system] get_char((0x55772f068e50), 'D')
   Call: (219) [system] 'D'='('
   Fail: (219) [system] 'D'='('
   Call: (219) [system] 'D'='['
   Fail: (219) [system] 'D'='['
   Call: (219) [system] 'D'='{'
   Fail: (219) [system] 'D'='{'
   Call: (219) [system] 'D'='"'
   Fail: (219) [system] 'D'='"'
   Call: (219) [system] 'D'=!
   Fail: (219) [system] 'D'=!
   Call: (219) [system] 'D'='\''
   Fail: (219) [system] 'D'='\''
   Call: (219) [system] 'D'='`'
   Fail: (219) [system] 'D'='`'
   Call: (219) [system] 'D'=end_of_file
   Fail: (219) [system] 'D'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x55772f068e50), 'D', _1418592)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1454102)
   Call: (221) [system] peek_char((0x55772f068e50), _1455036)
   Exit: (221) [system] peek_char((0x55772f068e50), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_1459756, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _1454102=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (220) [user] classify_and_convert_charseq(['D'], _1418592)
^  Call: (221) [user] classify_and_convert_charseq_(['D'], _1466192)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_1467144, _1467146), once(user:catch(read_from_chars(['D'], _1466192), _1467126, fail)), '$restore_trace'(_1467144, _1467146))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_1467144, _1467146))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1466192), _1467126, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_1466192)
   Fail: (222) [system] atomic(_1466192)
   Call: (222) [system] atom_chars(_1466192, ['D'])
   Exit: (222) [system] atom_chars('D', ['D'])
^  Exit: (221) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (221) [system] integer('D')
   Fail: (221) [system] integer('D')
   Call: (221) [system] _1418592='D'
   Exit: (221) [system] 'D'='D'
^  Exit: (220) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (219) [user] read_symbolic(')', (0x55772f068e50), 'D', 'D')
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), 'D')
^  Call: (218) [user] read_list(')', (0x55772f068e50), _1481142)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1483000)
   Exit: (220) [system] peek_char((0x55772f068e50), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
   Call: (220) [system] ')'=(/)
   Fail: (220) [system] ')'=(/)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1499010)
   Exit: (219) [system] peek_char((0x55772f068e50), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x55772f068e50), _1502800)
   Exit: (219) [system] get_char((0x55772f068e50), ')')
   Call: (219) [system] _1481142=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x55772f068e50), [])
   Call: (218) [system] _1381932=['D']
   Exit: (218) [system] ['D']=['D']
^  Exit: (217) [user] read_list(')', (0x55772f068e50), ['D'])
   Call: (217) [system] _1284594=['C', 'D']
   Exit: (217) [system] ['C', 'D']=['C', 'D']
^  Exit: (216) [user] read_list(')', (0x55772f068e50), ['C', 'D'])
   Call: (216) [system] _1095248=['OrLink', 'C', 'D']
   Exit: (216) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (215) [user] read_list(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Call: (214) [user] read_list(')', (0x55772f068e50), _1516682)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1518540)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x55772f068e50), _1528134)
   Exit: (216) [system] get_char((0x55772f068e50), ' ')
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1530838)
   Exit: (217) [system] peek_char((0x55772f068e50), 'E')
   Call: (217) [system] 'E'=(;)
   Fail: (217) [system] 'E'=(;)
   Call: (217) [system] 'E'=(/)
   Fail: (217) [system] 'E'=(/)
^  Call: (217) [user] is_like_space('E')
   Call: (218) [system] char_type('E', 'white')
   Fail: (218) [system] char_type('E', 'white')
   Call: (218) [system] char_type('E', end_of_line)
   Fail: (218) [system] char_type('E', end_of_line)
   Call: (218) [system] char_type('E', space)
   Fail: (218) [system] char_type('E', space)
   Call: (218) [system] char_type('E', cntrl)
   Fail: (218) [system] char_type('E', cntrl)
^  Fail: (217) [user] is_like_space('E')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1547772)
   Exit: (215) [system] peek_char((0x55772f068e50), 'E')
   Call: (215) [system] 'E'=')'
   Fail: (215) [system] 'E'=')'
   Call: (215) [system] 'E'=end_of_file
   Fail: (215) [system] 'E'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x55772f068e50), _1553342)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1555200)
   Exit: (217) [system] peek_char((0x55772f068e50), 'E')
   Call: (217) [system] 'E'=(;)
   Fail: (217) [system] 'E'=(;)
   Call: (217) [system] 'E'=(/)
   Fail: (217) [system] 'E'=(/)
^  Call: (217) [user] is_like_space('E')
   Call: (218) [system] char_type('E', 'white')
   Fail: (218) [system] char_type('E', 'white')
   Call: (218) [system] char_type('E', end_of_line)
   Fail: (218) [system] char_type('E', end_of_line)
   Call: (218) [system] char_type('E', space)
   Fail: (218) [system] char_type('E', space)
   Call: (218) [system] char_type('E', cntrl)
   Fail: (218) [system] char_type('E', cntrl)
^  Fail: (217) [user] is_like_space('E')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] get_char((0x55772f068e50), _1571210)
   Exit: (216) [system] get_char((0x55772f068e50), 'E')
   Call: (216) [system] 'E'='('
   Fail: (216) [system] 'E'='('
   Call: (216) [system] 'E'='['
   Fail: (216) [system] 'E'='['
   Call: (216) [system] 'E'='{'
   Fail: (216) [system] 'E'='{'
   Call: (216) [system] 'E'='"'
   Fail: (216) [system] 'E'='"'
   Call: (216) [system] 'E'=!
   Fail: (216) [system] 'E'=!
   Call: (216) [system] 'E'='\''
   Fail: (216) [system] 'E'='\''
   Call: (216) [system] 'E'='`'
   Fail: (216) [system] 'E'='`'
   Call: (216) [system] 'E'=end_of_file
   Fail: (216) [system] 'E'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x55772f068e50), 'E', _1553342)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1588852)
   Call: (218) [system] peek_char((0x55772f068e50), _1589786)
   Exit: (218) [system] peek_char((0x55772f068e50), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_1594506, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _1588852=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (217) [user] classify_and_convert_charseq(['E'], _1553342)
^  Call: (218) [user] classify_and_convert_charseq_(['E'], _1600942)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1601894, _1601896), once(user:catch(read_from_chars(['E'], _1600942), _1601876, fail)), '$restore_trace'(_1601894, _1601896))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1601894, _1601896))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1600942), _1601876, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1600942)
   Fail: (219) [system] atomic(_1600942)
   Call: (219) [system] atom_chars(_1600942, ['E'])
   Exit: (219) [system] atom_chars('E', ['E'])
^  Exit: (218) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (218) [system] integer('E')
   Fail: (218) [system] integer('E')
   Call: (218) [system] _1553342='E'
   Exit: (218) [system] 'E'='E'
^  Exit: (217) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (216) [user] read_symbolic(')', (0x55772f068e50), 'E', 'E')
^  Exit: (215) [user] cont_sexpr(')', (0x55772f068e50), 'E')
^  Call: (215) [user] read_list(')', (0x55772f068e50), _1615892)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1617750)
   Exit: (217) [system] peek_char((0x55772f068e50), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
   Call: (217) [system] ')'=(/)
   Fail: (217) [system] ')'=(/)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1633760)
   Exit: (216) [system] peek_char((0x55772f068e50), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x55772f068e50), _1637550)
   Exit: (216) [system] get_char((0x55772f068e50), ')')
   Call: (216) [system] _1615892=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x55772f068e50), [])
   Call: (215) [system] _1516682=['E']
   Exit: (215) [system] ['E']=['E']
^  Exit: (214) [user] read_list(')', (0x55772f068e50), ['E'])
   Call: (214) [system] _1058588=[['OrLink', 'C', 'D'], 'E']
   Exit: (214) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (213) [user] read_list(')', (0x55772f068e50), [['OrLink', 'C', 'D'], 'E'])
   Call: (213) [system] _785592=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (213) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (212) [user] read_list(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (211) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (211) [user] read_list(')', (0x55772f068e50), _1651432)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1653290)
   Exit: (213) [system] peek_char((0x55772f068e50), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
   Call: (213) [system] ')'=(/)
   Fail: (213) [system] ')'=(/)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1669300)
   Exit: (212) [system] peek_char((0x55772f068e50), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x55772f068e50), _1673090)
   Exit: (212) [system] get_char((0x55772f068e50), ')')
   Call: (212) [system] _1651432=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x55772f068e50), [])
   Call: (211) [system] _748932=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (211) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (210) [user] read_list(')', (0x55772f068e50), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (210) [system] _651594=['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (210) [system] ['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (209) [user] read_list(')', (0x55772f068e50), ['A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (209) [system] _445518=['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (209) [system] ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (208) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (207) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (207) [user] read_list(')', (0x55772f068e50), _1686972)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1688830)
   Exit: (209) [system] peek_char((0x55772f068e50), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
   Call: (209) [system] ')'=(/)
   Fail: (209) [system] ')'=(/)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1704840)
   Exit: (208) [system] peek_char((0x55772f068e50), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x55772f068e50), _1708630)
   Exit: (208) [system] get_char((0x55772f068e50), ')')
   Call: (208) [system] _1686972=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x55772f068e50), [])
   Call: (207) [system] _408858=[['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (207) [system] [['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (206) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (206) [system] _4638=[['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (206) [system] [['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (205) [user] read_list(')', (0x55772f068e50), [['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (205) [system] _4630=[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (205) [system] [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (204) [user] read_list(')', (0x55772f068e50), [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (203) [user] cont_sexpr(')', (0x55772f068e50), [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (203) [user] read_list(')', (0x55772f068e50), _1722512)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1724370)
   Exit: (205) [system] peek_char((0x55772f068e50), '\n')
   Call: (205) [system] '\n'=(;)
   Fail: (205) [system] '\n'=(;)
   Call: (205) [system] '\n'=(/)
   Fail: (205) [system] '\n'=(/)
^  Call: (205) [user] is_like_space('\n')
   Call: (206) [system] char_type('\n', 'white')
   Fail: (206) [system] char_type('\n', 'white')
   Call: (206) [system] char_type('\n', end_of_line)
   Exit: (206) [system] char_type('\n', end_of_line)
^  Exit: (205) [user] is_like_space('\n')
   Call: (205) [system] get_char((0x55772f068e50), _1735820)
   Exit: (205) [system] get_char((0x55772f068e50), '\n')
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1738524)
   Exit: (206) [system] peek_char((0x55772f068e50), '\t')
   Call: (206) [system] '\t'=(;)
   Fail: (206) [system] '\t'=(;)
   Call: (206) [system] '\t'=(/)
   Fail: (206) [system] '\t'=(/)
^  Call: (206) [user] is_like_space('\t')
   Call: (207) [system] char_type('\t', 'white')
   Exit: (207) [system] char_type('\t', 'white')
^  Exit: (206) [user] is_like_space('\t')
   Call: (206) [system] get_char((0x55772f068e50), _1748118)
   Exit: (206) [system] get_char((0x55772f068e50), '\t')
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1750822)
   Exit: (207) [system] peek_char((0x55772f068e50), '\t')
   Call: (207) [system] '\t'=(;)
   Fail: (207) [system] '\t'=(;)
   Call: (207) [system] '\t'=(/)
   Fail: (207) [system] '\t'=(/)
^  Call: (207) [user] is_like_space('\t')
   Call: (208) [system] char_type('\t', 'white')
   Exit: (208) [system] char_type('\t', 'white')
^  Exit: (207) [user] is_like_space('\t')
   Call: (207) [system] get_char((0x55772f068e50), _1760416)
   Exit: (207) [system] get_char((0x55772f068e50), '\t')
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1763120)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x55772f068e50), _1772714)
   Exit: (208) [system] get_char((0x55772f068e50), ' ')
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1775418)
   Exit: (209) [system] peek_char((0x55772f068e50), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1795124)
   Exit: (204) [system] peek_char((0x55772f068e50), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x55772f068e50), _1800694)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1802552)
   Exit: (206) [system] peek_char((0x55772f068e50), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] get_char((0x55772f068e50), _1818562)
   Exit: (205) [system] get_char((0x55772f068e50), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x55772f068e50), _1800694)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1824132)
   Exit: (207) [system] peek_char((0x55772f068e50), :)
   Call: (207) [system] (:)=(;)
   Fail: (207) [system] (:)=(;)
   Call: (207) [system] (:)=(/)
   Fail: (207) [system] (:)=(/)
^  Call: (207) [user] is_like_space(:)
   Call: (208) [system] char_type(:, 'white')
   Fail: (208) [system] char_type(:, 'white')
   Call: (208) [system] char_type(:, end_of_line)
   Fail: (208) [system] char_type(:, end_of_line)
   Call: (208) [system] char_type(:, space)
   Fail: (208) [system] char_type(:, space)
   Call: (208) [system] char_type(:, cntrl)
   Fail: (208) [system] char_type(:, cntrl)
^  Fail: (207) [user] is_like_space(:)
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1840142)
   Exit: (206) [system] peek_char((0x55772f068e50), :)
   Call: (206) [system] (:)=')'
   Fail: (206) [system] (:)=')'
   Call: (206) [system] (:)=end_of_file
   Fail: (206) [system] (:)=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x55772f068e50), _1845712)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1847570)
   Exit: (208) [system] peek_char((0x55772f068e50), :)
   Call: (208) [system] (:)=(;)
   Fail: (208) [system] (:)=(;)
   Call: (208) [system] (:)=(/)
   Fail: (208) [system] (:)=(/)
^  Call: (208) [user] is_like_space(:)
   Call: (209) [system] char_type(:, 'white')
   Fail: (209) [system] char_type(:, 'white')
   Call: (209) [system] char_type(:, end_of_line)
   Fail: (209) [system] char_type(:, end_of_line)
   Call: (209) [system] char_type(:, space)
   Fail: (209) [system] char_type(:, space)
   Call: (209) [system] char_type(:, cntrl)
   Fail: (209) [system] char_type(:, cntrl)
^  Fail: (208) [user] is_like_space(:)
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] get_char((0x55772f068e50), _1863580)
   Exit: (207) [system] get_char((0x55772f068e50), :)
   Call: (207) [system] (:)='('
   Fail: (207) [system] (:)='('
   Call: (207) [system] (:)='['
   Fail: (207) [system] (:)='['
   Call: (207) [system] (:)='{'
   Fail: (207) [system] (:)='{'
   Call: (207) [system] (:)='"'
   Fail: (207) [system] (:)='"'
   Call: (207) [system] (:)=!
   Fail: (207) [system] (:)=!
   Call: (207) [system] (:)='\''
   Fail: (207) [system] (:)='\''
   Call: (207) [system] (:)='`'
   Fail: (207) [system] (:)='`'
   Call: (207) [system] (:)=end_of_file
   Fail: (207) [system] (:)=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x55772f068e50), :, _1845712)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1881222)
   Call: (209) [system] peek_char((0x55772f068e50), _1882156)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1881222=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (208) [user] classify_and_convert_charseq([:], _1845712)
^  Call: (209) [user] classify_and_convert_charseq_([:], _1891440)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1892392, _1892394), once(user:catch(read_from_chars([:], _1891440), _1892374, fail)), '$restore_trace'(_1892392, _1892394))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1892392, _1892394))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1892374, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(:)
   Exit: (210) [system] atomic(:)
^  Exit: (209) [user] classify_and_convert_charseq_([:], :)
   Call: (209) [system] integer(:)
   Fail: (209) [system] integer(:)
   Call: (209) [system] _1845712=(:)
   Exit: (209) [system] (:)=(:)
^  Exit: (208) [user] classify_and_convert_charseq([:], :)
^  Exit: (207) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (206) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (206) [user] read_list(')', (0x55772f068e50), _1904520)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1906378)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x55772f068e50), _1915972)
   Exit: (208) [system] get_char((0x55772f068e50), ' ')
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1918676)
   Exit: (209) [system] peek_char((0x55772f068e50), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1935610)
   Exit: (207) [system] peek_char((0x55772f068e50), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x55772f068e50), _1941180)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1943038)
   Exit: (209) [system] peek_char((0x55772f068e50), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] get_char((0x55772f068e50), _1959048)
   Exit: (208) [system] get_char((0x55772f068e50), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x55772f068e50), _1941180)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1964618)
   Exit: (210) [system] peek_char((0x55772f068e50), 'C')
   Call: (210) [system] 'C'=(;)
   Fail: (210) [system] 'C'=(;)
   Call: (210) [system] 'C'=(/)
   Fail: (210) [system] 'C'=(/)
^  Call: (210) [user] is_like_space('C')
   Call: (211) [system] char_type('C', 'white')
   Fail: (211) [system] char_type('C', 'white')
   Call: (211) [system] char_type('C', end_of_line)
   Fail: (211) [system] char_type('C', end_of_line)
   Call: (211) [system] char_type('C', space)
   Fail: (211) [system] char_type('C', space)
   Call: (211) [system] char_type('C', cntrl)
   Fail: (211) [system] char_type('C', cntrl)
^  Fail: (210) [user] is_like_space('C')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1980628)
   Exit: (209) [system] peek_char((0x55772f068e50), 'C')
   Call: (209) [system] 'C'=')'
   Fail: (209) [system] 'C'=')'
   Call: (209) [system] 'C'=end_of_file
   Fail: (209) [system] 'C'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x55772f068e50), _1986198)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1988056)
   Exit: (211) [system] peek_char((0x55772f068e50), 'C')
   Call: (211) [system] 'C'=(;)
   Fail: (211) [system] 'C'=(;)
   Call: (211) [system] 'C'=(/)
   Fail: (211) [system] 'C'=(/)
^  Call: (211) [user] is_like_space('C')
   Call: (212) [system] char_type('C', 'white')
   Fail: (212) [system] char_type('C', 'white')
   Call: (212) [system] char_type('C', end_of_line)
   Fail: (212) [system] char_type('C', end_of_line)
   Call: (212) [system] char_type('C', space)
   Fail: (212) [system] char_type('C', space)
   Call: (212) [system] char_type('C', cntrl)
   Fail: (212) [system] char_type('C', cntrl)
^  Fail: (211) [user] is_like_space('C')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] get_char((0x55772f068e50), _2004066)
   Exit: (210) [system] get_char((0x55772f068e50), 'C')
   Call: (210) [system] 'C'='('
   Fail: (210) [system] 'C'='('
   Call: (210) [system] 'C'='['
   Fail: (210) [system] 'C'='['
   Call: (210) [system] 'C'='{'
   Fail: (210) [system] 'C'='{'
   Call: (210) [system] 'C'='"'
   Fail: (210) [system] 'C'='"'
   Call: (210) [system] 'C'=!
   Fail: (210) [system] 'C'=!
   Call: (210) [system] 'C'='\''
   Fail: (210) [system] 'C'='\''
   Call: (210) [system] 'C'='`'
   Fail: (210) [system] 'C'='`'
   Call: (210) [system] 'C'=end_of_file
   Fail: (210) [system] 'C'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x55772f068e50), 'C', _1986198)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _2021708)
   Call: (212) [system] peek_char((0x55772f068e50), _2022642)
   Exit: (212) [system] peek_char((0x55772f068e50), o)
^  Call: (212) [user] is_delimiter(o)
   Call: (213) [system] char_type(o, space)
   Fail: (213) [system] char_type(o, space)
   Call: (213) [system] arg(_2027362, v('(', ')', end_of_file), o)
   Fail: (213) [system] arg(_2028294, v('(', ')', end_of_file), o)
^  Fail: (212) [user] is_delimiter(o)
   Call: (212) [system] ')'==o
   Fail: (212) [system] ')'==o
   Call: (212) [system] get_char((0x55772f068e50), o)
   Exit: (212) [system] get_char((0x55772f068e50), o)
   Call: (212) [system] o=(\)
   Fail: (212) [system] o=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _2035644)
   Call: (213) [system] peek_char((0x55772f068e50), _2036578)
   Exit: (213) [system] peek_char((0x55772f068e50), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_2041298, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_2042230, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x55772f068e50), n)
   Exit: (213) [system] get_char((0x55772f068e50), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _2049580)
   Call: (214) [system] peek_char((0x55772f068e50), _2050514)
   Exit: (214) [system] peek_char((0x55772f068e50), j)
^  Call: (214) [user] is_delimiter(j)
   Call: (215) [system] char_type(j, space)
   Fail: (215) [system] char_type(j, space)
   Call: (215) [system] arg(_2055234, v('(', ')', end_of_file), j)
   Fail: (215) [system] arg(_2056166, v('(', ')', end_of_file), j)
^  Fail: (214) [user] is_delimiter(j)
   Call: (214) [system] ')'==j
   Fail: (214) [system] ')'==j
   Call: (214) [system] get_char((0x55772f068e50), j)
   Exit: (214) [system] get_char((0x55772f068e50), j)
   Call: (214) [system] j=(\)
   Fail: (214) [system] j=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _2063516)
   Call: (215) [system] peek_char((0x55772f068e50), _2064450)
   Exit: (215) [system] peek_char((0x55772f068e50), u)
^  Call: (215) [user] is_delimiter(u)
   Call: (216) [system] char_type(u, space)
   Fail: (216) [system] char_type(u, space)
   Call: (216) [system] arg(_2069170, v('(', ')', end_of_file), u)
   Fail: (216) [system] arg(_2070102, v('(', ')', end_of_file), u)
^  Fail: (215) [user] is_delimiter(u)
   Call: (215) [system] ')'==u
   Fail: (215) [system] ')'==u
   Call: (215) [system] get_char((0x55772f068e50), u)
   Exit: (215) [system] get_char((0x55772f068e50), u)
   Call: (215) [system] u=(\)
   Fail: (215) [system] u=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _2077452)
   Call: (216) [system] peek_char((0x55772f068e50), _2078386)
   Exit: (216) [system] peek_char((0x55772f068e50), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_2083106, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_2084038, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x55772f068e50), n)
   Exit: (216) [system] get_char((0x55772f068e50), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _2091388)
   Call: (217) [system] peek_char((0x55772f068e50), _2092322)
   Exit: (217) [system] peek_char((0x55772f068e50), c)
^  Call: (217) [user] is_delimiter(c)
   Call: (218) [system] char_type(c, space)
   Fail: (218) [system] char_type(c, space)
   Call: (218) [system] arg(_4844, v('(', ')', end_of_file), c)
   Fail: (218) [system] arg(_5754, v('(', ')', end_of_file), c)
^  Fail: (217) [user] is_delimiter(c)
   Call: (217) [system] ')'==c
   Fail: (217) [system] ')'==c
   Call: (217) [system] get_char((0x55772f068e50), c)
   Exit: (217) [system] get_char((0x55772f068e50), c)
   Call: (217) [system] c=(\)
   Fail: (217) [system] c=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _13104)
   Call: (218) [system] peek_char((0x55772f068e50), _14038)
   Exit: (218) [system] peek_char((0x55772f068e50), t)
^  Call: (218) [user] is_delimiter(t)
   Call: (219) [system] char_type(t, space)
   Fail: (219) [system] char_type(t, space)
   Call: (219) [system] arg(_18758, v('(', ')', end_of_file), t)
   Fail: (219) [system] arg(_19690, v('(', ')', end_of_file), t)
^  Fail: (218) [user] is_delimiter(t)
   Call: (218) [system] ')'==t
   Fail: (218) [system] ')'==t
   Call: (218) [system] get_char((0x55772f068e50), t)
   Exit: (218) [system] get_char((0x55772f068e50), t)
   Call: (218) [system] t=(\)
   Fail: (218) [system] t=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _27040)
   Call: (219) [system] peek_char((0x55772f068e50), _27974)
   Exit: (219) [system] peek_char((0x55772f068e50), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_32694, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_33626, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x55772f068e50), i)
   Exit: (219) [system] get_char((0x55772f068e50), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _40976)
   Call: (220) [system] peek_char((0x55772f068e50), _41910)
   Exit: (220) [system] peek_char((0x55772f068e50), o)
^  Call: (220) [user] is_delimiter(o)
   Call: (221) [system] char_type(o, space)
   Fail: (221) [system] char_type(o, space)
   Call: (221) [system] arg(_46630, v('(', ')', end_of_file), o)
   Fail: (221) [system] arg(_47562, v('(', ')', end_of_file), o)
^  Fail: (220) [user] is_delimiter(o)
   Call: (220) [system] ')'==o
   Fail: (220) [system] ')'==o
   Call: (220) [system] get_char((0x55772f068e50), o)
   Exit: (220) [system] get_char((0x55772f068e50), o)
   Call: (220) [system] o=(\)
   Fail: (220) [system] o=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _54912)
   Call: (221) [system] peek_char((0x55772f068e50), _55846)
   Exit: (221) [system] peek_char((0x55772f068e50), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_60566, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_61498, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x55772f068e50), n)
   Exit: (221) [system] get_char((0x55772f068e50), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _68848)
   Call: (222) [system] peek_char((0x55772f068e50), _69782)
   Exit: (222) [system] peek_char((0x55772f068e50), 'I')
^  Call: (222) [user] is_delimiter('I')
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] arg(_74502, v('(', ')', end_of_file), 'I')
   Fail: (223) [system] arg(_75434, v('(', ')', end_of_file), 'I')
^  Fail: (222) [user] is_delimiter('I')
   Call: (222) [system] ')'=='I'
   Fail: (222) [system] ')'=='I'
   Call: (222) [system] get_char((0x55772f068e50), 'I')
   Exit: (222) [system] get_char((0x55772f068e50), 'I')
   Call: (222) [system] 'I'=(\)
   Fail: (222) [system] 'I'=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _82784)
   Call: (223) [system] peek_char((0x55772f068e50), _83718)
   Exit: (223) [system] peek_char((0x55772f068e50), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_88438, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_89370, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x55772f068e50), n)
   Exit: (223) [system] get_char((0x55772f068e50), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _96720)
   Call: (224) [system] peek_char((0x55772f068e50), _97654)
   Exit: (224) [system] peek_char((0x55772f068e50), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_102374, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_103306, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x55772f068e50), t)
   Exit: (224) [system] get_char((0x55772f068e50), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _110656)
   Call: (225) [system] peek_char((0x55772f068e50), _111590)
   Exit: (225) [system] peek_char((0x55772f068e50), r)
^  Call: (225) [user] is_delimiter(r)
   Call: (226) [system] char_type(r, space)
   Fail: (226) [system] char_type(r, space)
   Call: (226) [system] arg(_116310, v('(', ')', end_of_file), r)
   Fail: (226) [system] arg(_117242, v('(', ')', end_of_file), r)
^  Fail: (225) [user] is_delimiter(r)
   Call: (225) [system] ')'==r
   Fail: (225) [system] ')'==r
   Call: (225) [system] get_char((0x55772f068e50), r)
   Exit: (225) [system] get_char((0x55772f068e50), r)
   Call: (225) [system] r=(\)
   Fail: (225) [system] r=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _124592)
   Call: (226) [system] peek_char((0x55772f068e50), _125526)
   Exit: (226) [system] peek_char((0x55772f068e50), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_130246, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_131178, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x55772f068e50), o)
   Exit: (226) [system] get_char((0x55772f068e50), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _138528)
   Call: (227) [system] peek_char((0x55772f068e50), _139462)
   Exit: (227) [system] peek_char((0x55772f068e50), d)
^  Call: (227) [user] is_delimiter(d)
   Call: (228) [system] char_type(d, space)
   Fail: (228) [system] char_type(d, space)
   Call: (228) [system] arg(_144182, v('(', ')', end_of_file), d)
   Fail: (228) [system] arg(_145114, v('(', ')', end_of_file), d)
^  Fail: (227) [user] is_delimiter(d)
   Call: (227) [system] ')'==d
   Fail: (227) [system] ')'==d
   Call: (227) [system] get_char((0x55772f068e50), d)
   Exit: (227) [system] get_char((0x55772f068e50), d)
   Call: (227) [system] d=(\)
   Fail: (227) [system] d=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _152464)
   Call: (228) [system] peek_char((0x55772f068e50), _153398)
   Exit: (228) [system] peek_char((0x55772f068e50), u)
^  Call: (228) [user] is_delimiter(u)
   Call: (229) [system] char_type(u, space)
   Fail: (229) [system] char_type(u, space)
   Call: (229) [system] arg(_158118, v('(', ')', end_of_file), u)
   Fail: (229) [system] arg(_159050, v('(', ')', end_of_file), u)
^  Fail: (228) [user] is_delimiter(u)
   Call: (228) [system] ')'==u
   Fail: (228) [system] ')'==u
   Call: (228) [system] get_char((0x55772f068e50), u)
   Exit: (228) [system] get_char((0x55772f068e50), u)
   Call: (228) [system] u=(\)
   Fail: (228) [system] u=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _166400)
   Call: (229) [system] peek_char((0x55772f068e50), _167334)
   Exit: (229) [system] peek_char((0x55772f068e50), c)
^  Call: (229) [user] is_delimiter(c)
   Call: (230) [system] char_type(c, space)
   Fail: (230) [system] char_type(c, space)
   Call: (230) [system] arg(_172054, v('(', ')', end_of_file), c)
   Fail: (230) [system] arg(_172986, v('(', ')', end_of_file), c)
^  Fail: (229) [user] is_delimiter(c)
   Call: (229) [system] ')'==c
   Fail: (229) [system] ')'==c
   Call: (229) [system] get_char((0x55772f068e50), c)
   Exit: (229) [system] get_char((0x55772f068e50), c)
   Call: (229) [system] c=(\)
   Fail: (229) [system] c=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _180336)
   Call: (230) [system] peek_char((0x55772f068e50), _181270)
   Exit: (230) [system] peek_char((0x55772f068e50), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_185990, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_186922, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x55772f068e50), t)
   Exit: (230) [system] get_char((0x55772f068e50), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _194272)
   Call: (231) [system] peek_char((0x55772f068e50), _195206)
   Exit: (231) [system] peek_char((0x55772f068e50), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_199926, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_200858, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x55772f068e50), i)
   Exit: (231) [system] get_char((0x55772f068e50), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _208208)
   Call: (232) [system] peek_char((0x55772f068e50), _209142)
   Exit: (232) [system] peek_char((0x55772f068e50), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_213862, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_214794, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x55772f068e50), o)
   Exit: (232) [system] get_char((0x55772f068e50), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _222144)
   Call: (233) [system] peek_char((0x55772f068e50), _223078)
   Exit: (233) [system] peek_char((0x55772f068e50), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_227798, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_228730, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x55772f068e50), n)
   Exit: (233) [system] get_char((0x55772f068e50), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _236080)
   Call: (234) [system] peek_char((0x55772f068e50), _237014)
   Exit: (234) [system] peek_char((0x55772f068e50), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _236080=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (233) [system] _222144=[n]
   Exit: (233) [system] [n]=[n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (232) [system] _208208=[o, n]
   Exit: (232) [system] [o, n]=[o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (231) [system] _194272=[i, o, n]
   Exit: (231) [system] [i, o, n]=[i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (230) [system] _180336=[t, i, o, n]
   Exit: (230) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (229) [system] _166400=[c, t, i, o, n]
   Exit: (229) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (228) [system] _152464=[u, c, t, i, o, n]
   Exit: (228) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (227) [system] _138528=[d, u, c, t, i, o, n]
   Exit: (227) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (226) [system] _124592=[o, d, u, c, t, i, o, n]
   Exit: (226) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (225) [system] _110656=[r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _96720=[t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _82784=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _68848=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _54912=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _40976=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _27040=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _13104=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _4768=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _4764=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _4760=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _4756=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _4752=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _4748=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (211) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4744)
^  Call: (212) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _307766)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_308718, _308720), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _307766), _308700, fail)), '$restore_trace'(_308718, _308720))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_308718, _308720))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _307766), _308700, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_307766)
   Fail: (213) [system] atomic(_307766)
   Call: (213) [system] atom_chars(_307766, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (213) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (212) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (212) [system] integer('ConjunctionIntroduction')
   Fail: (212) [system] integer('ConjunctionIntroduction')
   Call: (212) [system] _4744='ConjunctionIntroduction'
   Exit: (212) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (211) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (210) [user] read_symbolic(')', (0x55772f068e50), 'C', 'ConjunctionIntroduction')
^  Exit: (209) [user] cont_sexpr(')', (0x55772f068e50), 'ConjunctionIntroduction')
^  Call: (209) [user] read_list(')', (0x55772f068e50), _322716)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _324574)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x55772f068e50), _334168)
   Exit: (211) [system] get_char((0x55772f068e50), ' ')
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _336872)
   Exit: (212) [system] peek_char((0x55772f068e50), a)
   Call: (212) [system] a=(;)
   Fail: (212) [system] a=(;)
   Call: (212) [system] a=(/)
   Fail: (212) [system] a=(/)
^  Call: (212) [user] is_like_space(a)
   Call: (213) [system] char_type(a, 'white')
   Fail: (213) [system] char_type(a, 'white')
   Call: (213) [system] char_type(a, end_of_line)
   Fail: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] char_type(a, cntrl)
   Fail: (213) [system] char_type(a, cntrl)
^  Fail: (212) [user] is_like_space(a)
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _353806)
   Exit: (210) [system] peek_char((0x55772f068e50), a)
   Call: (210) [system] a=')'
   Fail: (210) [system] a=')'
   Call: (210) [system] a=end_of_file
   Fail: (210) [system] a=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x55772f068e50), _359376)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _361234)
   Exit: (212) [system] peek_char((0x55772f068e50), a)
   Call: (212) [system] a=(;)
   Fail: (212) [system] a=(;)
   Call: (212) [system] a=(/)
   Fail: (212) [system] a=(/)
^  Call: (212) [user] is_like_space(a)
   Call: (213) [system] char_type(a, 'white')
   Fail: (213) [system] char_type(a, 'white')
   Call: (213) [system] char_type(a, end_of_line)
   Fail: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] char_type(a, cntrl)
   Fail: (213) [system] char_type(a, cntrl)
^  Fail: (212) [user] is_like_space(a)
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] get_char((0x55772f068e50), _377244)
   Exit: (211) [system] get_char((0x55772f068e50), a)
   Call: (211) [system] a='('
   Fail: (211) [system] a='('
   Call: (211) [system] a='['
   Fail: (211) [system] a='['
   Call: (211) [system] a='{'
   Fail: (211) [system] a='{'
   Call: (211) [system] a='"'
   Fail: (211) [system] a='"'
   Call: (211) [system] a=!
   Fail: (211) [system] a=!
   Call: (211) [system] a='\''
   Fail: (211) [system] a='\''
   Call: (211) [system] a='`'
   Fail: (211) [system] a='`'
   Call: (211) [system] a=end_of_file
   Fail: (211) [system] a=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x55772f068e50), a, _359376)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _394886)
   Call: (213) [system] peek_char((0x55772f068e50), _395820)
   Exit: (213) [system] peek_char((0x55772f068e50), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _394886=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (212) [user] classify_and_convert_charseq([a], _359376)
^  Call: (213) [user] classify_and_convert_charseq_([a], _405104)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_406056, _406058), once(user:catch(read_from_chars([a], _405104), _406038, fail)), '$restore_trace'(_406056, _406058))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_406056, _406058))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _406038, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(a)
   Exit: (214) [system] atomic(a)
^  Exit: (213) [user] classify_and_convert_charseq_([a], a)
   Call: (213) [system] integer(a)
   Fail: (213) [system] integer(a)
   Call: (213) [system] _359376=a
   Exit: (213) [system] a=a
^  Exit: (212) [user] classify_and_convert_charseq([a], a)
^  Exit: (211) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (210) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (210) [user] read_list(')', (0x55772f068e50), _418184)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _420042)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x55772f068e50), _429636)
   Exit: (212) [system] get_char((0x55772f068e50), ' ')
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _432340)
   Exit: (213) [system] peek_char((0x55772f068e50), a)
   Call: (213) [system] a=(;)
   Fail: (213) [system] a=(;)
   Call: (213) [system] a=(/)
   Fail: (213) [system] a=(/)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Fail: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
   Fail: (214) [system] char_type(a, cntrl)
^  Fail: (213) [user] is_like_space(a)
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _449274)
   Exit: (211) [system] peek_char((0x55772f068e50), a)
   Call: (211) [system] a=')'
   Fail: (211) [system] a=')'
   Call: (211) [system] a=end_of_file
   Fail: (211) [system] a=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x55772f068e50), _454844)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _456702)
   Exit: (213) [system] peek_char((0x55772f068e50), a)
   Call: (213) [system] a=(;)
   Fail: (213) [system] a=(;)
   Call: (213) [system] a=(/)
   Fail: (213) [system] a=(/)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Fail: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
   Fail: (214) [system] char_type(a, cntrl)
^  Fail: (213) [user] is_like_space(a)
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] get_char((0x55772f068e50), _472712)
   Exit: (212) [system] get_char((0x55772f068e50), a)
   Call: (212) [system] a='('
   Fail: (212) [system] a='('
   Call: (212) [system] a='['
   Fail: (212) [system] a='['
   Call: (212) [system] a='{'
   Fail: (212) [system] a='{'
   Call: (212) [system] a='"'
   Fail: (212) [system] a='"'
   Call: (212) [system] a=!
   Fail: (212) [system] a=!
   Call: (212) [system] a='\''
   Fail: (212) [system] a='\''
   Call: (212) [system] a='`'
   Fail: (212) [system] a='`'
   Call: (212) [system] a=end_of_file
   Fail: (212) [system] a=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x55772f068e50), a, _454844)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _490354)
   Call: (214) [system] peek_char((0x55772f068e50), _491288)
   Exit: (214) [system] peek_char((0x55772f068e50), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_496008, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _490354=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (213) [user] classify_and_convert_charseq([a], _454844)
^  Call: (214) [user] classify_and_convert_charseq_([a], _502444)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_503396, _503398), once(user:catch(read_from_chars([a], _502444), _503378, fail)), '$restore_trace'(_503396, _503398))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_503396, _503398))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _503378, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(a)
   Exit: (215) [system] atomic(a)
^  Exit: (214) [user] classify_and_convert_charseq_([a], a)
   Call: (214) [system] integer(a)
   Fail: (214) [system] integer(a)
   Call: (214) [system] _454844=a
   Exit: (214) [system] a=a
^  Exit: (213) [user] classify_and_convert_charseq([a], a)
^  Exit: (212) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (211) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (211) [user] read_list(')', (0x55772f068e50), _515524)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _517382)
   Exit: (213) [system] peek_char((0x55772f068e50), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
   Call: (213) [system] ')'=(/)
   Fail: (213) [system] ')'=(/)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _533392)
   Exit: (212) [system] peek_char((0x55772f068e50), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x55772f068e50), _537182)
   Exit: (212) [system] get_char((0x55772f068e50), ')')
   Call: (212) [system] _515524=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x55772f068e50), [])
   Call: (211) [system] _418184=[a]
   Exit: (211) [system] [a]=[a]
^  Exit: (210) [user] read_list(')', (0x55772f068e50), [a])
   Call: (210) [system] _322716=[a, a]
   Exit: (210) [system] [a, a]=[a, a]
^  Exit: (209) [user] read_list(')', (0x55772f068e50), [a, a])
   Call: (209) [system] _4738=['ConjunctionIntroduction', a, a]
   Exit: (209) [system] ['ConjunctionIntroduction', a, a]=['ConjunctionIntroduction', a, a]
^  Exit: (208) [user] read_list(')', (0x55772f068e50), ['ConjunctionIntroduction', a, a])
^  Exit: (207) [user] cont_sexpr(')', (0x55772f068e50), ['ConjunctionIntroduction', a, a])
^  Call: (207) [user] read_list(')', (0x55772f068e50), _551064)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _552922)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x55772f068e50), _562516)
   Exit: (209) [system] get_char((0x55772f068e50), ' ')
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _565220)
   Exit: (210) [system] peek_char((0x55772f068e50), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _582154)
   Exit: (208) [system] peek_char((0x55772f068e50), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x55772f068e50), _587724)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _589582)
   Exit: (210) [system] peek_char((0x55772f068e50), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] get_char((0x55772f068e50), _605592)
   Exit: (209) [system] get_char((0x55772f068e50), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x55772f068e50), _587724)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _611162)
   Exit: (211) [system] peek_char((0x55772f068e50), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
   Call: (211) [system] 'A'=(/)
   Fail: (211) [system] 'A'=(/)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _627172)
   Exit: (210) [system] peek_char((0x55772f068e50), 'A')
   Call: (210) [system] 'A'=')'
   Fail: (210) [system] 'A'=')'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x55772f068e50), _632742)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _634600)
   Exit: (212) [system] peek_char((0x55772f068e50), 'A')
   Call: (212) [system] 'A'=(;)
   Fail: (212) [system] 'A'=(;)
   Call: (212) [system] 'A'=(/)
   Fail: (212) [system] 'A'=(/)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Fail: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Fail: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Fail: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
   Fail: (213) [system] char_type('A', cntrl)
^  Fail: (212) [user] is_like_space('A')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] get_char((0x55772f068e50), _650610)
   Exit: (211) [system] get_char((0x55772f068e50), 'A')
   Call: (211) [system] 'A'='('
   Fail: (211) [system] 'A'='('
   Call: (211) [system] 'A'='['
   Fail: (211) [system] 'A'='['
   Call: (211) [system] 'A'='{'
   Fail: (211) [system] 'A'='{'
   Call: (211) [system] 'A'='"'
   Fail: (211) [system] 'A'='"'
   Call: (211) [system] 'A'=!
   Fail: (211) [system] 'A'=!
   Call: (211) [system] 'A'='\''
   Fail: (211) [system] 'A'='\''
   Call: (211) [system] 'A'='`'
   Fail: (211) [system] 'A'='`'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x55772f068e50), 'A', _632742)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _668252)
   Call: (213) [system] peek_char((0x55772f068e50), _669186)
   Exit: (213) [system] peek_char((0x55772f068e50), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_673906, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_674838, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x55772f068e50), n)
   Exit: (213) [system] get_char((0x55772f068e50), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _682188)
   Call: (214) [system] peek_char((0x55772f068e50), _683122)
   Exit: (214) [system] peek_char((0x55772f068e50), d)
^  Call: (214) [user] is_delimiter(d)
   Call: (215) [system] char_type(d, space)
   Fail: (215) [system] char_type(d, space)
   Call: (215) [system] arg(_687842, v('(', ')', end_of_file), d)
   Fail: (215) [system] arg(_688774, v('(', ')', end_of_file), d)
^  Fail: (214) [user] is_delimiter(d)
   Call: (214) [system] ')'==d
   Fail: (214) [system] ')'==d
   Call: (214) [system] get_char((0x55772f068e50), d)
   Exit: (214) [system] get_char((0x55772f068e50), d)
   Call: (214) [system] d=(\)
   Fail: (214) [system] d=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _696124)
   Call: (215) [system] peek_char((0x55772f068e50), _697058)
   Exit: (215) [system] peek_char((0x55772f068e50), 'L')
^  Call: (215) [user] is_delimiter('L')
   Call: (216) [system] char_type('L', space)
   Fail: (216) [system] char_type('L', space)
   Call: (216) [system] arg(_701778, v('(', ')', end_of_file), 'L')
   Fail: (216) [system] arg(_702710, v('(', ')', end_of_file), 'L')
^  Fail: (215) [user] is_delimiter('L')
   Call: (215) [system] ')'=='L'
   Fail: (215) [system] ')'=='L'
   Call: (215) [system] get_char((0x55772f068e50), 'L')
   Exit: (215) [system] get_char((0x55772f068e50), 'L')
   Call: (215) [system] 'L'=(\)
   Fail: (215) [system] 'L'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _710060)
   Call: (216) [system] peek_char((0x55772f068e50), _710994)
   Exit: (216) [system] peek_char((0x55772f068e50), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_715714, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_716646, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x55772f068e50), i)
   Exit: (216) [system] get_char((0x55772f068e50), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _723996)
   Call: (217) [system] peek_char((0x55772f068e50), _724930)
   Exit: (217) [system] peek_char((0x55772f068e50), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_729650, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_730582, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x55772f068e50), n)
   Exit: (217) [system] get_char((0x55772f068e50), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _737932)
   Call: (218) [system] peek_char((0x55772f068e50), _738866)
   Exit: (218) [system] peek_char((0x55772f068e50), k)
^  Call: (218) [user] is_delimiter(k)
   Call: (219) [system] char_type(k, space)
   Fail: (219) [system] char_type(k, space)
   Call: (219) [system] arg(_743586, v('(', ')', end_of_file), k)
   Fail: (219) [system] arg(_744518, v('(', ')', end_of_file), k)
^  Fail: (218) [user] is_delimiter(k)
   Call: (218) [system] ')'==k
   Fail: (218) [system] ')'==k
   Call: (218) [system] get_char((0x55772f068e50), k)
   Exit: (218) [system] get_char((0x55772f068e50), k)
   Call: (218) [system] k=(\)
   Fail: (218) [system] k=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _751868)
   Call: (219) [system] peek_char((0x55772f068e50), _752802)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _751868=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (218) [system] _737932=[k]
   Exit: (218) [system] [k]=[k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (217) [system] _723996=[n, k]
   Exit: (217) [system] [n, k]=[n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (216) [system] _710060=[i, n, k]
   Exit: (216) [system] [i, n, k]=[i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (215) [system] _696124=['L', i, n, k]
   Exit: (215) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (214) [system] _682188=[d, 'L', i, n, k]
   Exit: (214) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (213) [system] _668252=[n, d, 'L', i, n, k]
   Exit: (213) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (212) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _632742)
^  Call: (213) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _778850)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_779802, _779804), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _778850), _779784, fail)), '$restore_trace'(_779802, _779804))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_779802, _779804))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _778850), _779784, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_778850)
   Fail: (214) [system] atomic(_778850)
   Call: (214) [system] atom_chars(_778850, ['A', n, d, 'L', i, n, k])
   Exit: (214) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (213) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (213) [system] integer('AndLink')
   Fail: (213) [system] integer('AndLink')
   Call: (213) [system] _632742='AndLink'
   Exit: (213) [system] 'AndLink'='AndLink'
^  Exit: (212) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (211) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (210) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (210) [user] read_list(')', (0x55772f068e50), _793800)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _795658)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x55772f068e50), _805252)
   Exit: (212) [system] get_char((0x55772f068e50), ' ')
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _807956)
   Exit: (213) [system] peek_char((0x55772f068e50), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
   Call: (213) [system] 'A'=(/)
   Fail: (213) [system] 'A'=(/)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _824890)
   Exit: (211) [system] peek_char((0x55772f068e50), 'A')
   Call: (211) [system] 'A'=')'
   Fail: (211) [system] 'A'=')'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x55772f068e50), _830460)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _832318)
   Exit: (213) [system] peek_char((0x55772f068e50), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
   Call: (213) [system] 'A'=(/)
   Fail: (213) [system] 'A'=(/)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] get_char((0x55772f068e50), _848328)
   Exit: (212) [system] get_char((0x55772f068e50), 'A')
   Call: (212) [system] 'A'='('
   Fail: (212) [system] 'A'='('
   Call: (212) [system] 'A'='['
   Fail: (212) [system] 'A'='['
   Call: (212) [system] 'A'='{'
   Fail: (212) [system] 'A'='{'
   Call: (212) [system] 'A'='"'
   Fail: (212) [system] 'A'='"'
   Call: (212) [system] 'A'=!
   Fail: (212) [system] 'A'=!
   Call: (212) [system] 'A'='\''
   Fail: (212) [system] 'A'='\''
   Call: (212) [system] 'A'='`'
   Fail: (212) [system] 'A'='`'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x55772f068e50), 'A', _830460)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _865970)
   Call: (214) [system] peek_char((0x55772f068e50), _866904)
   Exit: (214) [system] peek_char((0x55772f068e50), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _865970=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (213) [user] classify_and_convert_charseq(['A'], _830460)
^  Call: (214) [user] classify_and_convert_charseq_(['A'], _876188)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_877140, _877142), once(user:catch(read_from_chars(['A'], _876188), _877122, fail)), '$restore_trace'(_877140, _877142))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_877140, _877142))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _876188), _877122, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_876188)
   Fail: (215) [system] atomic(_876188)
   Call: (215) [system] atom_chars(_876188, ['A'])
   Exit: (215) [system] atom_chars('A', ['A'])
^  Exit: (214) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (214) [system] integer('A')
   Fail: (214) [system] integer('A')
   Call: (214) [system] _830460='A'
   Exit: (214) [system] 'A'='A'
^  Exit: (213) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (212) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (211) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (211) [user] read_list(')', (0x55772f068e50), _891138)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _892996)
   Exit: (213) [system] peek_char((0x55772f068e50), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x55772f068e50), _902590)
   Exit: (213) [system] get_char((0x55772f068e50), ' ')
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _905294)
   Exit: (214) [system] peek_char((0x55772f068e50), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
   Call: (214) [system] 'A'=(/)
   Fail: (214) [system] 'A'=(/)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _922228)
   Exit: (212) [system] peek_char((0x55772f068e50), 'A')
   Call: (212) [system] 'A'=')'
   Fail: (212) [system] 'A'=')'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x55772f068e50), _927798)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _929656)
   Exit: (214) [system] peek_char((0x55772f068e50), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
   Call: (214) [system] 'A'=(/)
   Fail: (214) [system] 'A'=(/)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] get_char((0x55772f068e50), _945666)
   Exit: (213) [system] get_char((0x55772f068e50), 'A')
   Call: (213) [system] 'A'='('
   Fail: (213) [system] 'A'='('
   Call: (213) [system] 'A'='['
   Fail: (213) [system] 'A'='['
   Call: (213) [system] 'A'='{'
   Fail: (213) [system] 'A'='{'
   Call: (213) [system] 'A'='"'
   Fail: (213) [system] 'A'='"'
   Call: (213) [system] 'A'=!
   Fail: (213) [system] 'A'=!
   Call: (213) [system] 'A'='\''
   Fail: (213) [system] 'A'='\''
   Call: (213) [system] 'A'='`'
   Fail: (213) [system] 'A'='`'
   Call: (213) [system] 'A'=end_of_file
   Fail: (213) [system] 'A'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x55772f068e50), 'A', _927798)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _963308)
   Call: (215) [system] peek_char((0x55772f068e50), _964242)
   Exit: (215) [system] peek_char((0x55772f068e50), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_968962, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _963308=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (214) [user] classify_and_convert_charseq(['A'], _927798)
^  Call: (215) [user] classify_and_convert_charseq_(['A'], _975398)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_976350, _976352), once(user:catch(read_from_chars(['A'], _975398), _976332, fail)), '$restore_trace'(_976350, _976352))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_976350, _976352))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _975398), _976332, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_975398)
   Fail: (216) [system] atomic(_975398)
   Call: (216) [system] atom_chars(_975398, ['A'])
   Exit: (216) [system] atom_chars('A', ['A'])
^  Exit: (215) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (215) [system] integer('A')
   Fail: (215) [system] integer('A')
   Call: (215) [system] _927798='A'
   Exit: (215) [system] 'A'='A'
^  Exit: (214) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (213) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (212) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (212) [user] read_list(')', (0x55772f068e50), _990348)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _992206)
   Exit: (214) [system] peek_char((0x55772f068e50), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
   Call: (214) [system] ')'=(/)
   Fail: (214) [system] ')'=(/)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1008216)
   Exit: (213) [system] peek_char((0x55772f068e50), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x55772f068e50), _1012006)
   Exit: (213) [system] get_char((0x55772f068e50), ')')
   Call: (213) [system] _990348=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x55772f068e50), [])
   Call: (212) [system] _891138=['A']
   Exit: (212) [system] ['A']=['A']
^  Exit: (211) [user] read_list(')', (0x55772f068e50), ['A'])
   Call: (211) [system] _793800=['A', 'A']
   Exit: (211) [system] ['A', 'A']=['A', 'A']
^  Exit: (210) [user] read_list(')', (0x55772f068e50), ['A', 'A'])
   Call: (210) [system] _587724=['AndLink', 'A', 'A']
   Exit: (210) [system] ['AndLink', 'A', 'A']=['AndLink', 'A', 'A']
^  Exit: (209) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'A'])
^  Exit: (208) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'A'])
^  Call: (208) [user] read_list(')', (0x55772f068e50), _1025888)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1027746)
   Exit: (210) [system] peek_char((0x55772f068e50), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
   Call: (210) [system] ')'=(/)
   Fail: (210) [system] ')'=(/)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1043756)
   Exit: (209) [system] peek_char((0x55772f068e50), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x55772f068e50), _1047546)
   Exit: (209) [system] get_char((0x55772f068e50), ')')
   Call: (209) [system] _1025888=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x55772f068e50), [])
   Call: (208) [system] _551064=[['AndLink', 'A', 'A']]
   Exit: (208) [system] [['AndLink', 'A', 'A']]=[['AndLink', 'A', 'A']]
^  Exit: (207) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'A']])
   Call: (207) [system] _4734=[['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']]
   Exit: (207) [system] [['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']]=[['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']]
^  Exit: (206) [user] read_list(')', (0x55772f068e50), [['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']])
   Call: (206) [system] _4726=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']]
   Exit: (206) [system] [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']]=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']]
^  Exit: (205) [user] read_list(')', (0x55772f068e50), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']])
^  Exit: (204) [user] cont_sexpr(')', (0x55772f068e50), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']])
^  Call: (204) [user] read_list(')', (0x55772f068e50), _1061428)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1063286)
   Exit: (206) [system] peek_char((0x55772f068e50), '\n')
   Call: (206) [system] '\n'=(;)
   Fail: (206) [system] '\n'=(;)
   Call: (206) [system] '\n'=(/)
   Fail: (206) [system] '\n'=(/)
^  Call: (206) [user] is_like_space('\n')
   Call: (207) [system] char_type('\n', 'white')
   Fail: (207) [system] char_type('\n', 'white')
   Call: (207) [system] char_type('\n', end_of_line)
   Exit: (207) [system] char_type('\n', end_of_line)
^  Exit: (206) [user] is_like_space('\n')
   Call: (206) [system] get_char((0x55772f068e50), _1074736)
   Exit: (206) [system] get_char((0x55772f068e50), '\n')
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1077440)
   Exit: (207) [system] peek_char((0x55772f068e50), '\t')
   Call: (207) [system] '\t'=(;)
   Fail: (207) [system] '\t'=(;)
   Call: (207) [system] '\t'=(/)
   Fail: (207) [system] '\t'=(/)
^  Call: (207) [user] is_like_space('\t')
   Call: (208) [system] char_type('\t', 'white')
   Exit: (208) [system] char_type('\t', 'white')
^  Exit: (207) [user] is_like_space('\t')
   Call: (207) [system] get_char((0x55772f068e50), _1087034)
   Exit: (207) [system] get_char((0x55772f068e50), '\t')
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1089738)
   Exit: (208) [system] peek_char((0x55772f068e50), '\t')
   Call: (208) [system] '\t'=(;)
   Fail: (208) [system] '\t'=(;)
   Call: (208) [system] '\t'=(/)
   Fail: (208) [system] '\t'=(/)
^  Call: (208) [user] is_like_space('\t')
   Call: (209) [system] char_type('\t', 'white')
   Exit: (209) [system] char_type('\t', 'white')
^  Exit: (208) [user] is_like_space('\t')
   Call: (208) [system] get_char((0x55772f068e50), _1099332)
   Exit: (208) [system] get_char((0x55772f068e50), '\t')
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1102036)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x55772f068e50), _1111630)
   Exit: (209) [system] get_char((0x55772f068e50), ' ')
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1114334)
   Exit: (210) [system] peek_char((0x55772f068e50), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1134040)
   Exit: (205) [system] peek_char((0x55772f068e50), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x55772f068e50), _1139610)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1141468)
   Exit: (207) [system] peek_char((0x55772f068e50), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] get_char((0x55772f068e50), _1157478)
   Exit: (206) [system] get_char((0x55772f068e50), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x55772f068e50), _1139610)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1163048)
   Exit: (208) [system] peek_char((0x55772f068e50), :)
   Call: (208) [system] (:)=(;)
   Fail: (208) [system] (:)=(;)
   Call: (208) [system] (:)=(/)
   Fail: (208) [system] (:)=(/)
^  Call: (208) [user] is_like_space(:)
   Call: (209) [system] char_type(:, 'white')
   Fail: (209) [system] char_type(:, 'white')
   Call: (209) [system] char_type(:, end_of_line)
   Fail: (209) [system] char_type(:, end_of_line)
   Call: (209) [system] char_type(:, space)
   Fail: (209) [system] char_type(:, space)
   Call: (209) [system] char_type(:, cntrl)
   Fail: (209) [system] char_type(:, cntrl)
^  Fail: (208) [user] is_like_space(:)
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1179058)
   Exit: (207) [system] peek_char((0x55772f068e50), :)
   Call: (207) [system] (:)=')'
   Fail: (207) [system] (:)=')'
   Call: (207) [system] (:)=end_of_file
   Fail: (207) [system] (:)=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x55772f068e50), _1184628)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1186486)
   Exit: (209) [system] peek_char((0x55772f068e50), :)
   Call: (209) [system] (:)=(;)
   Fail: (209) [system] (:)=(;)
   Call: (209) [system] (:)=(/)
   Fail: (209) [system] (:)=(/)
^  Call: (209) [user] is_like_space(:)
   Call: (210) [system] char_type(:, 'white')
   Fail: (210) [system] char_type(:, 'white')
   Call: (210) [system] char_type(:, end_of_line)
   Fail: (210) [system] char_type(:, end_of_line)
   Call: (210) [system] char_type(:, space)
   Fail: (210) [system] char_type(:, space)
   Call: (210) [system] char_type(:, cntrl)
   Fail: (210) [system] char_type(:, cntrl)
^  Fail: (209) [user] is_like_space(:)
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] get_char((0x55772f068e50), _1202496)
   Exit: (208) [system] get_char((0x55772f068e50), :)
   Call: (208) [system] (:)='('
   Fail: (208) [system] (:)='('
   Call: (208) [system] (:)='['
   Fail: (208) [system] (:)='['
   Call: (208) [system] (:)='{'
   Fail: (208) [system] (:)='{'
   Call: (208) [system] (:)='"'
   Fail: (208) [system] (:)='"'
   Call: (208) [system] (:)=!
   Fail: (208) [system] (:)=!
   Call: (208) [system] (:)='\''
   Fail: (208) [system] (:)='\''
   Call: (208) [system] (:)='`'
   Fail: (208) [system] (:)='`'
   Call: (208) [system] (:)=end_of_file
   Fail: (208) [system] (:)=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x55772f068e50), :, _1184628)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1220138)
   Call: (210) [system] peek_char((0x55772f068e50), _1221072)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1220138=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (209) [user] classify_and_convert_charseq([:], _1184628)
^  Call: (210) [user] classify_and_convert_charseq_([:], _1230356)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1231308, _1231310), once(user:catch(read_from_chars([:], _1230356), _1231290, fail)), '$restore_trace'(_1231308, _1231310))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1231308, _1231310))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1231290, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(:)
   Exit: (211) [system] atomic(:)
^  Exit: (210) [user] classify_and_convert_charseq_([:], :)
   Call: (210) [system] integer(:)
   Fail: (210) [system] integer(:)
   Call: (210) [system] _1184628=(:)
   Exit: (210) [system] (:)=(:)
^  Exit: (209) [user] classify_and_convert_charseq([:], :)
^  Exit: (208) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (207) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (207) [user] read_list(')', (0x55772f068e50), _1243436)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1245294)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x55772f068e50), _1254888)
   Exit: (209) [system] get_char((0x55772f068e50), ' ')
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1257592)
   Exit: (210) [system] peek_char((0x55772f068e50), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1274526)
   Exit: (208) [system] peek_char((0x55772f068e50), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x55772f068e50), _1280096)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1281954)
   Exit: (210) [system] peek_char((0x55772f068e50), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] get_char((0x55772f068e50), _1297964)
   Exit: (209) [system] get_char((0x55772f068e50), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x55772f068e50), _1280096)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1303534)
   Exit: (211) [system] peek_char((0x55772f068e50), 'C')
   Call: (211) [system] 'C'=(;)
   Fail: (211) [system] 'C'=(;)
   Call: (211) [system] 'C'=(/)
   Fail: (211) [system] 'C'=(/)
^  Call: (211) [user] is_like_space('C')
   Call: (212) [system] char_type('C', 'white')
   Fail: (212) [system] char_type('C', 'white')
   Call: (212) [system] char_type('C', end_of_line)
   Fail: (212) [system] char_type('C', end_of_line)
   Call: (212) [system] char_type('C', space)
   Fail: (212) [system] char_type('C', space)
   Call: (212) [system] char_type('C', cntrl)
   Fail: (212) [system] char_type('C', cntrl)
^  Fail: (211) [user] is_like_space('C')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1319544)
   Exit: (210) [system] peek_char((0x55772f068e50), 'C')
   Call: (210) [system] 'C'=')'
   Fail: (210) [system] 'C'=')'
   Call: (210) [system] 'C'=end_of_file
   Fail: (210) [system] 'C'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x55772f068e50), _1325114)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1326972)
   Exit: (212) [system] peek_char((0x55772f068e50), 'C')
   Call: (212) [system] 'C'=(;)
   Fail: (212) [system] 'C'=(;)
   Call: (212) [system] 'C'=(/)
   Fail: (212) [system] 'C'=(/)
^  Call: (212) [user] is_like_space('C')
   Call: (213) [system] char_type('C', 'white')
   Fail: (213) [system] char_type('C', 'white')
   Call: (213) [system] char_type('C', end_of_line)
   Fail: (213) [system] char_type('C', end_of_line)
   Call: (213) [system] char_type('C', space)
   Fail: (213) [system] char_type('C', space)
   Call: (213) [system] char_type('C', cntrl)
   Fail: (213) [system] char_type('C', cntrl)
^  Fail: (212) [user] is_like_space('C')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] get_char((0x55772f068e50), _1342982)
   Exit: (211) [system] get_char((0x55772f068e50), 'C')
   Call: (211) [system] 'C'='('
   Fail: (211) [system] 'C'='('
   Call: (211) [system] 'C'='['
   Fail: (211) [system] 'C'='['
   Call: (211) [system] 'C'='{'
   Fail: (211) [system] 'C'='{'
   Call: (211) [system] 'C'='"'
   Fail: (211) [system] 'C'='"'
   Call: (211) [system] 'C'=!
   Fail: (211) [system] 'C'=!
   Call: (211) [system] 'C'='\''
   Fail: (211) [system] 'C'='\''
   Call: (211) [system] 'C'='`'
   Fail: (211) [system] 'C'='`'
   Call: (211) [system] 'C'=end_of_file
   Fail: (211) [system] 'C'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x55772f068e50), 'C', _1325114)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1360624)
   Call: (213) [system] peek_char((0x55772f068e50), _1361558)
   Exit: (213) [system] peek_char((0x55772f068e50), o)
^  Call: (213) [user] is_delimiter(o)
   Call: (214) [system] char_type(o, space)
   Fail: (214) [system] char_type(o, space)
   Call: (214) [system] arg(_1366278, v('(', ')', end_of_file), o)
   Fail: (214) [system] arg(_1367210, v('(', ')', end_of_file), o)
^  Fail: (213) [user] is_delimiter(o)
   Call: (213) [system] ')'==o
   Fail: (213) [system] ')'==o
   Call: (213) [system] get_char((0x55772f068e50), o)
   Exit: (213) [system] get_char((0x55772f068e50), o)
   Call: (213) [system] o=(\)
   Fail: (213) [system] o=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1374560)
   Call: (214) [system] peek_char((0x55772f068e50), _1375494)
   Exit: (214) [system] peek_char((0x55772f068e50), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1380214, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1381146, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x55772f068e50), n)
   Exit: (214) [system] get_char((0x55772f068e50), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1388496)
   Call: (215) [system] peek_char((0x55772f068e50), _1389430)
   Exit: (215) [system] peek_char((0x55772f068e50), j)
^  Call: (215) [user] is_delimiter(j)
   Call: (216) [system] char_type(j, space)
   Fail: (216) [system] char_type(j, space)
   Call: (216) [system] arg(_1394150, v('(', ')', end_of_file), j)
   Fail: (216) [system] arg(_1395082, v('(', ')', end_of_file), j)
^  Fail: (215) [user] is_delimiter(j)
   Call: (215) [system] ')'==j
   Fail: (215) [system] ')'==j
   Call: (215) [system] get_char((0x55772f068e50), j)
   Exit: (215) [system] get_char((0x55772f068e50), j)
   Call: (215) [system] j=(\)
   Fail: (215) [system] j=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1402432)
   Call: (216) [system] peek_char((0x55772f068e50), _1403366)
   Exit: (216) [system] peek_char((0x55772f068e50), u)
^  Call: (216) [user] is_delimiter(u)
   Call: (217) [system] char_type(u, space)
   Fail: (217) [system] char_type(u, space)
   Call: (217) [system] arg(_1408086, v('(', ')', end_of_file), u)
   Fail: (217) [system] arg(_1409018, v('(', ')', end_of_file), u)
^  Fail: (216) [user] is_delimiter(u)
   Call: (216) [system] ')'==u
   Fail: (216) [system] ')'==u
   Call: (216) [system] get_char((0x55772f068e50), u)
   Exit: (216) [system] get_char((0x55772f068e50), u)
   Call: (216) [system] u=(\)
   Fail: (216) [system] u=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1416368)
   Call: (217) [system] peek_char((0x55772f068e50), _1417302)
   Exit: (217) [system] peek_char((0x55772f068e50), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1422022, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1422954, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x55772f068e50), n)
   Exit: (217) [system] get_char((0x55772f068e50), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1430304)
   Call: (218) [system] peek_char((0x55772f068e50), _1431238)
   Exit: (218) [system] peek_char((0x55772f068e50), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_1435958, v('(', ')', end_of_file), c)
   Fail: (219) [system] arg(_1436890, v('(', ')', end_of_file), c)
^  Fail: (218) [user] is_delimiter(c)
   Call: (218) [system] ')'==c
   Fail: (218) [system] ')'==c
   Call: (218) [system] get_char((0x55772f068e50), c)
   Exit: (218) [system] get_char((0x55772f068e50), c)
   Call: (218) [system] c=(\)
   Fail: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1444240)
   Call: (219) [system] peek_char((0x55772f068e50), _1445174)
   Exit: (219) [system] peek_char((0x55772f068e50), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Fail: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_1449894, v('(', ')', end_of_file), t)
   Fail: (220) [system] arg(_1450826, v('(', ')', end_of_file), t)
^  Fail: (219) [user] is_delimiter(t)
   Call: (219) [system] ')'==t
   Fail: (219) [system] ')'==t
   Call: (219) [system] get_char((0x55772f068e50), t)
   Exit: (219) [system] get_char((0x55772f068e50), t)
   Call: (219) [system] t=(\)
   Fail: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1458176)
   Call: (220) [system] peek_char((0x55772f068e50), _1459110)
   Exit: (220) [system] peek_char((0x55772f068e50), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1463830, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1464762, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x55772f068e50), i)
   Exit: (220) [system] get_char((0x55772f068e50), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1472112)
   Call: (221) [system] peek_char((0x55772f068e50), _1473046)
   Exit: (221) [system] peek_char((0x55772f068e50), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Fail: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_1477766, v('(', ')', end_of_file), o)
   Fail: (222) [system] arg(_1478698, v('(', ')', end_of_file), o)
^  Fail: (221) [user] is_delimiter(o)
   Call: (221) [system] ')'==o
   Fail: (221) [system] ')'==o
   Call: (221) [system] get_char((0x55772f068e50), o)
   Exit: (221) [system] get_char((0x55772f068e50), o)
   Call: (221) [system] o=(\)
   Fail: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1486048)
   Call: (222) [system] peek_char((0x55772f068e50), _1486982)
   Exit: (222) [system] peek_char((0x55772f068e50), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1491702, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1492634, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x55772f068e50), n)
   Exit: (222) [system] get_char((0x55772f068e50), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1499984)
   Call: (223) [system] peek_char((0x55772f068e50), _1500918)
   Exit: (223) [system] peek_char((0x55772f068e50), 'I')
^  Call: (223) [user] is_delimiter('I')
   Call: (224) [system] char_type('I', space)
   Fail: (224) [system] char_type('I', space)
   Call: (224) [system] arg(_1505638, v('(', ')', end_of_file), 'I')
   Fail: (224) [system] arg(_1506570, v('(', ')', end_of_file), 'I')
^  Fail: (223) [user] is_delimiter('I')
   Call: (223) [system] ')'=='I'
   Fail: (223) [system] ')'=='I'
   Call: (223) [system] get_char((0x55772f068e50), 'I')
   Exit: (223) [system] get_char((0x55772f068e50), 'I')
   Call: (223) [system] 'I'=(\)
   Fail: (223) [system] 'I'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1513920)
   Call: (224) [system] peek_char((0x55772f068e50), _1514854)
   Exit: (224) [system] peek_char((0x55772f068e50), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1519574, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1520506, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x55772f068e50), n)
   Exit: (224) [system] get_char((0x55772f068e50), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1527856)
   Call: (225) [system] peek_char((0x55772f068e50), _1528790)
   Exit: (225) [system] peek_char((0x55772f068e50), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_1533510, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_1534442, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x55772f068e50), t)
   Exit: (225) [system] get_char((0x55772f068e50), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1541792)
   Call: (226) [system] peek_char((0x55772f068e50), _1542726)
   Exit: (226) [system] peek_char((0x55772f068e50), r)
^  Call: (226) [user] is_delimiter(r)
   Call: (227) [system] char_type(r, space)
   Fail: (227) [system] char_type(r, space)
   Call: (227) [system] arg(_1547446, v('(', ')', end_of_file), r)
   Fail: (227) [system] arg(_1548378, v('(', ')', end_of_file), r)
^  Fail: (226) [user] is_delimiter(r)
   Call: (226) [system] ')'==r
   Fail: (226) [system] ')'==r
   Call: (226) [system] get_char((0x55772f068e50), r)
   Exit: (226) [system] get_char((0x55772f068e50), r)
   Call: (226) [system] r=(\)
   Fail: (226) [system] r=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1555728)
   Call: (227) [system] peek_char((0x55772f068e50), _1556662)
   Exit: (227) [system] peek_char((0x55772f068e50), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_1561382, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_1562314, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x55772f068e50), o)
   Exit: (227) [system] get_char((0x55772f068e50), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1569664)
   Call: (228) [system] peek_char((0x55772f068e50), _1570598)
   Exit: (228) [system] peek_char((0x55772f068e50), d)
^  Call: (228) [user] is_delimiter(d)
   Call: (229) [system] char_type(d, space)
   Fail: (229) [system] char_type(d, space)
   Call: (229) [system] arg(_1575318, v('(', ')', end_of_file), d)
   Fail: (229) [system] arg(_1576250, v('(', ')', end_of_file), d)
^  Fail: (228) [user] is_delimiter(d)
   Call: (228) [system] ')'==d
   Fail: (228) [system] ')'==d
   Call: (228) [system] get_char((0x55772f068e50), d)
   Exit: (228) [system] get_char((0x55772f068e50), d)
   Call: (228) [system] d=(\)
   Fail: (228) [system] d=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1583600)
   Call: (229) [system] peek_char((0x55772f068e50), _1584534)
   Exit: (229) [system] peek_char((0x55772f068e50), u)
^  Call: (229) [user] is_delimiter(u)
   Call: (230) [system] char_type(u, space)
   Fail: (230) [system] char_type(u, space)
   Call: (230) [system] arg(_1589254, v('(', ')', end_of_file), u)
   Fail: (230) [system] arg(_1590186, v('(', ')', end_of_file), u)
^  Fail: (229) [user] is_delimiter(u)
   Call: (229) [system] ')'==u
   Fail: (229) [system] ')'==u
   Call: (229) [system] get_char((0x55772f068e50), u)
   Exit: (229) [system] get_char((0x55772f068e50), u)
   Call: (229) [system] u=(\)
   Fail: (229) [system] u=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1597536)
   Call: (230) [system] peek_char((0x55772f068e50), _1598470)
   Exit: (230) [system] peek_char((0x55772f068e50), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Fail: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_1603190, v('(', ')', end_of_file), c)
   Fail: (231) [system] arg(_1604122, v('(', ')', end_of_file), c)
^  Fail: (230) [user] is_delimiter(c)
   Call: (230) [system] ')'==c
   Fail: (230) [system] ')'==c
   Call: (230) [system] get_char((0x55772f068e50), c)
   Exit: (230) [system] get_char((0x55772f068e50), c)
   Call: (230) [system] c=(\)
   Fail: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1611472)
   Call: (231) [system] peek_char((0x55772f068e50), _1612406)
   Exit: (231) [system] peek_char((0x55772f068e50), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Fail: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_1617126, v('(', ')', end_of_file), t)
   Fail: (232) [system] arg(_1618058, v('(', ')', end_of_file), t)
^  Fail: (231) [user] is_delimiter(t)
   Call: (231) [system] ')'==t
   Fail: (231) [system] ')'==t
   Call: (231) [system] get_char((0x55772f068e50), t)
   Exit: (231) [system] get_char((0x55772f068e50), t)
   Call: (231) [system] t=(\)
   Fail: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1625408)
   Call: (232) [system] peek_char((0x55772f068e50), _1626342)
   Exit: (232) [system] peek_char((0x55772f068e50), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_1631062, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_1631994, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x55772f068e50), i)
   Exit: (232) [system] get_char((0x55772f068e50), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1639344)
   Call: (233) [system] peek_char((0x55772f068e50), _1640278)
   Exit: (233) [system] peek_char((0x55772f068e50), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Fail: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_1644998, v('(', ')', end_of_file), o)
   Fail: (234) [system] arg(_1645930, v('(', ')', end_of_file), o)
^  Fail: (233) [user] is_delimiter(o)
   Call: (233) [system] ')'==o
   Fail: (233) [system] ')'==o
   Call: (233) [system] get_char((0x55772f068e50), o)
   Exit: (233) [system] get_char((0x55772f068e50), o)
   Call: (233) [system] o=(\)
   Fail: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1653280)
   Call: (234) [system] peek_char((0x55772f068e50), _1654214)
   Exit: (234) [system] peek_char((0x55772f068e50), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_1658934, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_1659866, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x55772f068e50), n)
   Exit: (234) [system] get_char((0x55772f068e50), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1667216)
   Call: (235) [system] peek_char((0x55772f068e50), _1668150)
   Exit: (235) [system] peek_char((0x55772f068e50), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _1667216=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (234) [system] _1653280=[n]
   Exit: (234) [system] [n]=[n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (233) [system] _1639344=[o, n]
   Exit: (233) [system] [o, n]=[o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (232) [system] _1625408=[i, o, n]
   Exit: (232) [system] [i, o, n]=[i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (231) [system] _1611472=[t, i, o, n]
   Exit: (231) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (230) [system] _1597536=[c, t, i, o, n]
   Exit: (230) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (229) [system] _1583600=[u, c, t, i, o, n]
   Exit: (229) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (228) [system] _1569664=[d, u, c, t, i, o, n]
   Exit: (228) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (227) [system] _1555728=[o, d, u, c, t, i, o, n]
   Exit: (227) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (226) [system] _1541792=[r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1527856=[t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1513920=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1499984=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1486048=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1472112=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1458176=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1444240=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1430304=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1416368=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1402432=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1388496=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1374560=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1360624=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (212) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1325114)
^  Call: (213) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1738902)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1739854, _1739856), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1738902), _1739836, fail)), '$restore_trace'(_1739854, _1739856))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1739854, _1739856))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1738902), _1739836, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1738902)
   Fail: (214) [system] atomic(_1738902)
   Call: (214) [system] atom_chars(_1738902, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (214) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (213) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (213) [system] integer('ConjunctionIntroduction')
   Fail: (213) [system] integer('ConjunctionIntroduction')
   Call: (213) [system] _1325114='ConjunctionIntroduction'
   Exit: (213) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (212) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (211) [user] read_symbolic(')', (0x55772f068e50), 'C', 'ConjunctionIntroduction')
^  Exit: (210) [user] cont_sexpr(')', (0x55772f068e50), 'ConjunctionIntroduction')
^  Call: (210) [user] read_list(')', (0x55772f068e50), _1753852)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1755710)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x55772f068e50), _1765304)
   Exit: (212) [system] get_char((0x55772f068e50), ' ')
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1768008)
   Exit: (213) [system] peek_char((0x55772f068e50), a)
   Call: (213) [system] a=(;)
   Fail: (213) [system] a=(;)
   Call: (213) [system] a=(/)
   Fail: (213) [system] a=(/)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Fail: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
   Fail: (214) [system] char_type(a, cntrl)
^  Fail: (213) [user] is_like_space(a)
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1784942)
   Exit: (211) [system] peek_char((0x55772f068e50), a)
   Call: (211) [system] a=')'
   Fail: (211) [system] a=')'
   Call: (211) [system] a=end_of_file
   Fail: (211) [system] a=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x55772f068e50), _1790512)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1792370)
   Exit: (213) [system] peek_char((0x55772f068e50), a)
   Call: (213) [system] a=(;)
   Fail: (213) [system] a=(;)
   Call: (213) [system] a=(/)
   Fail: (213) [system] a=(/)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Fail: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
   Fail: (214) [system] char_type(a, cntrl)
^  Fail: (213) [user] is_like_space(a)
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] get_char((0x55772f068e50), _1808380)
   Exit: (212) [system] get_char((0x55772f068e50), a)
   Call: (212) [system] a='('
   Fail: (212) [system] a='('
   Call: (212) [system] a='['
   Fail: (212) [system] a='['
   Call: (212) [system] a='{'
   Fail: (212) [system] a='{'
   Call: (212) [system] a='"'
   Fail: (212) [system] a='"'
   Call: (212) [system] a=!
   Fail: (212) [system] a=!
   Call: (212) [system] a='\''
   Fail: (212) [system] a='\''
   Call: (212) [system] a='`'
   Fail: (212) [system] a='`'
   Call: (212) [system] a=end_of_file
   Fail: (212) [system] a=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x55772f068e50), a, _1790512)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1826022)
   Call: (214) [system] peek_char((0x55772f068e50), _1826956)
   Exit: (214) [system] peek_char((0x55772f068e50), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _1826022=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (213) [user] classify_and_convert_charseq([a], _1790512)
^  Call: (214) [user] classify_and_convert_charseq_([a], _1836240)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1837192, _1837194), once(user:catch(read_from_chars([a], _1836240), _1837174, fail)), '$restore_trace'(_1837192, _1837194))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1837192, _1837194))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1837174, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(a)
   Exit: (215) [system] atomic(a)
^  Exit: (214) [user] classify_and_convert_charseq_([a], a)
   Call: (214) [system] integer(a)
   Fail: (214) [system] integer(a)
   Call: (214) [system] _1790512=a
   Exit: (214) [system] a=a
^  Exit: (213) [user] classify_and_convert_charseq([a], a)
^  Exit: (212) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (211) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (211) [user] read_list(')', (0x55772f068e50), _1849320)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1851178)
   Exit: (213) [system] peek_char((0x55772f068e50), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x55772f068e50), _1860772)
   Exit: (213) [system] get_char((0x55772f068e50), ' ')
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1863476)
   Exit: (214) [system] peek_char((0x55772f068e50), a)
   Call: (214) [system] a=(;)
   Fail: (214) [system] a=(;)
   Call: (214) [system] a=(/)
   Fail: (214) [system] a=(/)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Fail: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Fail: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
   Fail: (215) [system] char_type(a, cntrl)
^  Fail: (214) [user] is_like_space(a)
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1880410)
   Exit: (212) [system] peek_char((0x55772f068e50), a)
   Call: (212) [system] a=')'
   Fail: (212) [system] a=')'
   Call: (212) [system] a=end_of_file
   Fail: (212) [system] a=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x55772f068e50), _1885980)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1887838)
   Exit: (214) [system] peek_char((0x55772f068e50), a)
   Call: (214) [system] a=(;)
   Fail: (214) [system] a=(;)
   Call: (214) [system] a=(/)
   Fail: (214) [system] a=(/)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Fail: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Fail: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
   Fail: (215) [system] char_type(a, cntrl)
^  Fail: (214) [user] is_like_space(a)
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] get_char((0x55772f068e50), _1903848)
   Exit: (213) [system] get_char((0x55772f068e50), a)
   Call: (213) [system] a='('
   Fail: (213) [system] a='('
   Call: (213) [system] a='['
   Fail: (213) [system] a='['
   Call: (213) [system] a='{'
   Fail: (213) [system] a='{'
   Call: (213) [system] a='"'
   Fail: (213) [system] a='"'
   Call: (213) [system] a=!
   Fail: (213) [system] a=!
   Call: (213) [system] a='\''
   Fail: (213) [system] a='\''
   Call: (213) [system] a='`'
   Fail: (213) [system] a='`'
   Call: (213) [system] a=end_of_file
   Fail: (213) [system] a=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x55772f068e50), a, _1885980)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1921490)
   Call: (215) [system] peek_char((0x55772f068e50), _1922424)
   Exit: (215) [system] peek_char((0x55772f068e50), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_1927144, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _1921490=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (214) [user] classify_and_convert_charseq([a], _1885980)
^  Call: (215) [user] classify_and_convert_charseq_([a], _1933580)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1934532, _1934534), once(user:catch(read_from_chars([a], _1933580), _1934514, fail)), '$restore_trace'(_1934532, _1934534))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1934532, _1934534))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1934514, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(a)
   Exit: (216) [system] atomic(a)
^  Exit: (215) [user] classify_and_convert_charseq_([a], a)
   Call: (215) [system] integer(a)
   Fail: (215) [system] integer(a)
   Call: (215) [system] _1885980=a
   Exit: (215) [system] a=a
^  Exit: (214) [user] classify_and_convert_charseq([a], a)
^  Exit: (213) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (212) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (212) [user] read_list(')', (0x55772f068e50), _1946660)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1948518)
   Exit: (214) [system] peek_char((0x55772f068e50), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
   Call: (214) [system] ')'=(/)
   Fail: (214) [system] ')'=(/)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1964528)
   Exit: (213) [system] peek_char((0x55772f068e50), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x55772f068e50), _1968318)
   Exit: (213) [system] get_char((0x55772f068e50), ')')
   Call: (213) [system] _1946660=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x55772f068e50), [])
   Call: (212) [system] _1849320=[a]
   Exit: (212) [system] [a]=[a]
^  Exit: (211) [user] read_list(')', (0x55772f068e50), [a])
   Call: (211) [system] _1753852=[a, a]
   Exit: (211) [system] [a, a]=[a, a]
^  Exit: (210) [user] read_list(')', (0x55772f068e50), [a, a])
   Call: (210) [system] _1280096=['ConjunctionIntroduction', a, a]
   Exit: (210) [system] ['ConjunctionIntroduction', a, a]=['ConjunctionIntroduction', a, a]
^  Exit: (209) [user] read_list(')', (0x55772f068e50), ['ConjunctionIntroduction', a, a])
^  Exit: (208) [user] cont_sexpr(')', (0x55772f068e50), ['ConjunctionIntroduction', a, a])
^  Call: (208) [user] read_list(')', (0x55772f068e50), _1982200)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1984058)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x55772f068e50), _1993652)
   Exit: (210) [system] get_char((0x55772f068e50), ' ')
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1996356)
   Exit: (211) [system] peek_char((0x55772f068e50), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _2013290)
   Exit: (209) [system] peek_char((0x55772f068e50), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x55772f068e50), _2018860)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _2020718)
   Exit: (211) [system] peek_char((0x55772f068e50), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] get_char((0x55772f068e50), _2036728)
   Exit: (210) [system] get_char((0x55772f068e50), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x55772f068e50), _2018860)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _2042298)
   Exit: (212) [system] peek_char((0x55772f068e50), 'A')
   Call: (212) [system] 'A'=(;)
   Fail: (212) [system] 'A'=(;)
   Call: (212) [system] 'A'=(/)
   Fail: (212) [system] 'A'=(/)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Fail: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Fail: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Fail: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
   Fail: (213) [system] char_type('A', cntrl)
^  Fail: (212) [user] is_like_space('A')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _2058308)
   Exit: (211) [system] peek_char((0x55772f068e50), 'A')
   Call: (211) [system] 'A'=')'
   Fail: (211) [system] 'A'=')'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x55772f068e50), _2063878)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _2065736)
   Exit: (213) [system] peek_char((0x55772f068e50), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
   Call: (213) [system] 'A'=(/)
   Fail: (213) [system] 'A'=(/)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] get_char((0x55772f068e50), _2081746)
   Exit: (212) [system] get_char((0x55772f068e50), 'A')
   Call: (212) [system] 'A'='('
   Fail: (212) [system] 'A'='('
   Call: (212) [system] 'A'='['
   Fail: (212) [system] 'A'='['
   Call: (212) [system] 'A'='{'
   Fail: (212) [system] 'A'='{'
   Call: (212) [system] 'A'='"'
   Fail: (212) [system] 'A'='"'
   Call: (212) [system] 'A'=!
   Fail: (212) [system] 'A'=!
   Call: (212) [system] 'A'='\''
   Fail: (212) [system] 'A'='\''
   Call: (212) [system] 'A'='`'
   Fail: (212) [system] 'A'='`'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x55772f068e50), 'A', _4828)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _7406)
   Call: (214) [system] peek_char((0x55772f068e50), _8340)
   Exit: (214) [system] peek_char((0x55772f068e50), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_13060, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_13992, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x55772f068e50), n)
   Exit: (214) [system] get_char((0x55772f068e50), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _21342)
   Call: (215) [system] peek_char((0x55772f068e50), _22276)
   Exit: (215) [system] peek_char((0x55772f068e50), d)
^  Call: (215) [user] is_delimiter(d)
   Call: (216) [system] char_type(d, space)
   Fail: (216) [system] char_type(d, space)
   Call: (216) [system] arg(_26996, v('(', ')', end_of_file), d)
   Fail: (216) [system] arg(_27928, v('(', ')', end_of_file), d)
^  Fail: (215) [user] is_delimiter(d)
   Call: (215) [system] ')'==d
   Fail: (215) [system] ')'==d
   Call: (215) [system] get_char((0x55772f068e50), d)
   Exit: (215) [system] get_char((0x55772f068e50), d)
   Call: (215) [system] d=(\)
   Fail: (215) [system] d=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _35278)
   Call: (216) [system] peek_char((0x55772f068e50), _36212)
   Exit: (216) [system] peek_char((0x55772f068e50), 'L')
^  Call: (216) [user] is_delimiter('L')
   Call: (217) [system] char_type('L', space)
   Fail: (217) [system] char_type('L', space)
   Call: (217) [system] arg(_40932, v('(', ')', end_of_file), 'L')
   Fail: (217) [system] arg(_41864, v('(', ')', end_of_file), 'L')
^  Fail: (216) [user] is_delimiter('L')
   Call: (216) [system] ')'=='L'
   Fail: (216) [system] ')'=='L'
   Call: (216) [system] get_char((0x55772f068e50), 'L')
   Exit: (216) [system] get_char((0x55772f068e50), 'L')
   Call: (216) [system] 'L'=(\)
   Fail: (216) [system] 'L'=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _49214)
   Call: (217) [system] peek_char((0x55772f068e50), _50148)
   Exit: (217) [system] peek_char((0x55772f068e50), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_54868, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_55800, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x55772f068e50), i)
   Exit: (217) [system] get_char((0x55772f068e50), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _63150)
   Call: (218) [system] peek_char((0x55772f068e50), _64084)
   Exit: (218) [system] peek_char((0x55772f068e50), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_68804, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_69736, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x55772f068e50), n)
   Exit: (218) [system] get_char((0x55772f068e50), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _77086)
   Call: (219) [system] peek_char((0x55772f068e50), _78020)
   Exit: (219) [system] peek_char((0x55772f068e50), k)
^  Call: (219) [user] is_delimiter(k)
   Call: (220) [system] char_type(k, space)
   Fail: (220) [system] char_type(k, space)
   Call: (220) [system] arg(_82740, v('(', ')', end_of_file), k)
   Fail: (220) [system] arg(_83672, v('(', ')', end_of_file), k)
^  Fail: (219) [user] is_delimiter(k)
   Call: (219) [system] ')'==k
   Fail: (219) [system] ')'==k
   Call: (219) [system] get_char((0x55772f068e50), k)
   Exit: (219) [system] get_char((0x55772f068e50), k)
   Call: (219) [system] k=(\)
   Fail: (219) [system] k=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _91022)
   Call: (220) [system] peek_char((0x55772f068e50), _91956)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _91022=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (219) [system] _77086=[k]
   Exit: (219) [system] [k]=[k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (218) [system] _63150=[n, k]
   Exit: (218) [system] [n, k]=[n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (217) [system] _49214=[i, n, k]
   Exit: (217) [system] [i, n, k]=[i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (216) [system] _35278=['L', i, n, k]
   Exit: (216) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (215) [system] _21342=[d, 'L', i, n, k]
   Exit: (215) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (214) [system] _7406=[n, d, 'L', i, n, k]
   Exit: (214) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (213) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _4828)
^  Call: (214) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _118004)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_118956, _118958), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _118004), _118938, fail)), '$restore_trace'(_118956, _118958))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_118956, _118958))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _118004), _118938, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_118004)
   Fail: (215) [system] atomic(_118004)
   Call: (215) [system] atom_chars(_118004, ['A', n, d, 'L', i, n, k])
   Exit: (215) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (214) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (214) [system] integer('AndLink')
   Fail: (214) [system] integer('AndLink')
   Call: (214) [system] _4828='AndLink'
   Exit: (214) [system] 'AndLink'='AndLink'
^  Exit: (213) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (212) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (211) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (211) [user] read_list(')', (0x55772f068e50), _132954)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _134812)
   Exit: (213) [system] peek_char((0x55772f068e50), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x55772f068e50), _144406)
   Exit: (213) [system] get_char((0x55772f068e50), ' ')
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _147110)
   Exit: (214) [system] peek_char((0x55772f068e50), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
   Call: (214) [system] 'A'=(/)
   Fail: (214) [system] 'A'=(/)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _164044)
   Exit: (212) [system] peek_char((0x55772f068e50), 'A')
   Call: (212) [system] 'A'=')'
   Fail: (212) [system] 'A'=')'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x55772f068e50), _169614)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _171472)
   Exit: (214) [system] peek_char((0x55772f068e50), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
   Call: (214) [system] 'A'=(/)
   Fail: (214) [system] 'A'=(/)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] get_char((0x55772f068e50), _187482)
   Exit: (213) [system] get_char((0x55772f068e50), 'A')
   Call: (213) [system] 'A'='('
   Fail: (213) [system] 'A'='('
   Call: (213) [system] 'A'='['
   Fail: (213) [system] 'A'='['
   Call: (213) [system] 'A'='{'
   Fail: (213) [system] 'A'='{'
   Call: (213) [system] 'A'='"'
   Fail: (213) [system] 'A'='"'
   Call: (213) [system] 'A'=!
   Fail: (213) [system] 'A'=!
   Call: (213) [system] 'A'='\''
   Fail: (213) [system] 'A'='\''
   Call: (213) [system] 'A'='`'
   Fail: (213) [system] 'A'='`'
   Call: (213) [system] 'A'=end_of_file
   Fail: (213) [system] 'A'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x55772f068e50), 'A', _169614)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _205124)
   Call: (215) [system] peek_char((0x55772f068e50), _206058)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _205124=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (214) [user] classify_and_convert_charseq(['A'], _169614)
^  Call: (215) [user] classify_and_convert_charseq_(['A'], _215342)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_216294, _216296), once(user:catch(read_from_chars(['A'], _215342), _216276, fail)), '$restore_trace'(_216294, _216296))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_216294, _216296))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _215342), _216276, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_215342)
   Fail: (216) [system] atomic(_215342)
   Call: (216) [system] atom_chars(_215342, ['A'])
   Exit: (216) [system] atom_chars('A', ['A'])
^  Exit: (215) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (215) [system] integer('A')
   Fail: (215) [system] integer('A')
   Call: (215) [system] _169614='A'
   Exit: (215) [system] 'A'='A'
^  Exit: (214) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (213) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (212) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (212) [user] read_list(')', (0x55772f068e50), _230292)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _232150)
   Exit: (214) [system] peek_char((0x55772f068e50), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x55772f068e50), _241744)
   Exit: (214) [system] get_char((0x55772f068e50), ' ')
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _244448)
   Exit: (215) [system] peek_char((0x55772f068e50), 'B')
   Call: (215) [system] 'B'=(;)
   Fail: (215) [system] 'B'=(;)
   Call: (215) [system] 'B'=(/)
   Fail: (215) [system] 'B'=(/)
^  Call: (215) [user] is_like_space('B')
   Call: (216) [system] char_type('B', 'white')
   Fail: (216) [system] char_type('B', 'white')
   Call: (216) [system] char_type('B', end_of_line)
   Fail: (216) [system] char_type('B', end_of_line)
   Call: (216) [system] char_type('B', space)
   Fail: (216) [system] char_type('B', space)
   Call: (216) [system] char_type('B', cntrl)
   Fail: (216) [system] char_type('B', cntrl)
^  Fail: (215) [user] is_like_space('B')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _261382)
   Exit: (213) [system] peek_char((0x55772f068e50), 'B')
   Call: (213) [system] 'B'=')'
   Fail: (213) [system] 'B'=')'
   Call: (213) [system] 'B'=end_of_file
   Fail: (213) [system] 'B'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _266952)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _268810)
   Exit: (215) [system] peek_char((0x55772f068e50), 'B')
   Call: (215) [system] 'B'=(;)
   Fail: (215) [system] 'B'=(;)
   Call: (215) [system] 'B'=(/)
   Fail: (215) [system] 'B'=(/)
^  Call: (215) [user] is_like_space('B')
   Call: (216) [system] char_type('B', 'white')
   Fail: (216) [system] char_type('B', 'white')
   Call: (216) [system] char_type('B', end_of_line)
   Fail: (216) [system] char_type('B', end_of_line)
   Call: (216) [system] char_type('B', space)
   Fail: (216) [system] char_type('B', space)
   Call: (216) [system] char_type('B', cntrl)
   Fail: (216) [system] char_type('B', cntrl)
^  Fail: (215) [user] is_like_space('B')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _284820)
   Exit: (214) [system] get_char((0x55772f068e50), 'B')
   Call: (214) [system] 'B'='('
   Fail: (214) [system] 'B'='('
   Call: (214) [system] 'B'='['
   Fail: (214) [system] 'B'='['
   Call: (214) [system] 'B'='{'
   Fail: (214) [system] 'B'='{'
   Call: (214) [system] 'B'='"'
   Fail: (214) [system] 'B'='"'
   Call: (214) [system] 'B'=!
   Fail: (214) [system] 'B'=!
   Call: (214) [system] 'B'='\''
   Fail: (214) [system] 'B'='\''
   Call: (214) [system] 'B'='`'
   Fail: (214) [system] 'B'='`'
   Call: (214) [system] 'B'=end_of_file
   Fail: (214) [system] 'B'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x55772f068e50), 'B', _266952)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _302462)
   Call: (216) [system] peek_char((0x55772f068e50), _303396)
   Exit: (216) [system] peek_char((0x55772f068e50), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_308116, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _302462=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (215) [user] classify_and_convert_charseq(['B'], _266952)
^  Call: (216) [user] classify_and_convert_charseq_(['B'], _314552)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_315504, _315506), once(user:catch(read_from_chars(['B'], _314552), _315486, fail)), '$restore_trace'(_315504, _315506))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_315504, _315506))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _314552), _315486, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_314552)
   Fail: (217) [system] atomic(_314552)
   Call: (217) [system] atom_chars(_314552, ['B'])
   Exit: (217) [system] atom_chars('B', ['B'])
^  Exit: (216) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (216) [system] integer('B')
   Fail: (216) [system] integer('B')
   Call: (216) [system] _266952='B'
   Exit: (216) [system] 'B'='B'
^  Exit: (215) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (214) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (213) [user] read_list(')', (0x55772f068e50), _329502)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _331360)
   Exit: (215) [system] peek_char((0x55772f068e50), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _347370)
   Exit: (214) [system] peek_char((0x55772f068e50), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x55772f068e50), _351160)
   Exit: (214) [system] get_char((0x55772f068e50), ')')
   Call: (214) [system] _329502=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x55772f068e50), [])
   Call: (213) [system] _230292=['B']
   Exit: (213) [system] ['B']=['B']
^  Exit: (212) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (212) [system] _132954=['A', 'B']
   Exit: (212) [system] ['A', 'B']=['A', 'B']
^  Exit: (211) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (211) [system] _4822=['AndLink', 'A', 'B']
   Exit: (211) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (210) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (209) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (209) [user] read_list(')', (0x55772f068e50), _365042)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _366900)
   Exit: (211) [system] peek_char((0x55772f068e50), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
   Call: (211) [system] ')'=(/)
   Fail: (211) [system] ')'=(/)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _382910)
   Exit: (210) [system] peek_char((0x55772f068e50), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x55772f068e50), _386700)
   Exit: (210) [system] get_char((0x55772f068e50), ')')
   Call: (210) [system] _365042=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x55772f068e50), [])
   Call: (209) [system] _4818=[['AndLink', 'A', 'B']]
   Exit: (209) [system] [['AndLink', 'A', 'B']]=[['AndLink', 'A', 'B']]
^  Exit: (208) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B']])
   Call: (208) [system] _4794=[['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']]
   Exit: (208) [system] [['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']]=[['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']]
^  Exit: (207) [user] read_list(')', (0x55772f068e50), [['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']])
   Call: (207) [system] _4786=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']]
   Exit: (207) [system] [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']]=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']]
^  Exit: (206) [user] read_list(')', (0x55772f068e50), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']])
^  Exit: (205) [user] cont_sexpr(')', (0x55772f068e50), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']])
^  Call: (205) [user] read_list(')', (0x55772f068e50), _400582)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _402440)
   Exit: (207) [system] peek_char((0x55772f068e50), '\n')
   Call: (207) [system] '\n'=(;)
   Fail: (207) [system] '\n'=(;)
   Call: (207) [system] '\n'=(/)
   Fail: (207) [system] '\n'=(/)
^  Call: (207) [user] is_like_space('\n')
   Call: (208) [system] char_type('\n', 'white')
   Fail: (208) [system] char_type('\n', 'white')
   Call: (208) [system] char_type('\n', end_of_line)
   Exit: (208) [system] char_type('\n', end_of_line)
^  Exit: (207) [user] is_like_space('\n')
   Call: (207) [system] get_char((0x55772f068e50), _413890)
   Exit: (207) [system] get_char((0x55772f068e50), '\n')
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _416594)
   Exit: (208) [system] peek_char((0x55772f068e50), '\t')
   Call: (208) [system] '\t'=(;)
   Fail: (208) [system] '\t'=(;)
   Call: (208) [system] '\t'=(/)
   Fail: (208) [system] '\t'=(/)
^  Call: (208) [user] is_like_space('\t')
   Call: (209) [system] char_type('\t', 'white')
   Exit: (209) [system] char_type('\t', 'white')
^  Exit: (208) [user] is_like_space('\t')
   Call: (208) [system] get_char((0x55772f068e50), _426188)
   Exit: (208) [system] get_char((0x55772f068e50), '\t')
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _428892)
   Exit: (209) [system] peek_char((0x55772f068e50), '\t')
   Call: (209) [system] '\t'=(;)
   Fail: (209) [system] '\t'=(;)
   Call: (209) [system] '\t'=(/)
   Fail: (209) [system] '\t'=(/)
^  Call: (209) [user] is_like_space('\t')
   Call: (210) [system] char_type('\t', 'white')
   Exit: (210) [system] char_type('\t', 'white')
^  Exit: (209) [user] is_like_space('\t')
   Call: (209) [system] get_char((0x55772f068e50), _438486)
   Exit: (209) [system] get_char((0x55772f068e50), '\t')
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _441190)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x55772f068e50), _450784)
   Exit: (210) [system] get_char((0x55772f068e50), ' ')
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _453488)
   Exit: (211) [system] peek_char((0x55772f068e50), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _473194)
   Exit: (206) [system] peek_char((0x55772f068e50), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x55772f068e50), _478764)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _480622)
   Exit: (208) [system] peek_char((0x55772f068e50), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] get_char((0x55772f068e50), _496632)
   Exit: (207) [system] get_char((0x55772f068e50), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x55772f068e50), _478764)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _502202)
   Exit: (209) [system] peek_char((0x55772f068e50), :)
   Call: (209) [system] (:)=(;)
   Fail: (209) [system] (:)=(;)
   Call: (209) [system] (:)=(/)
   Fail: (209) [system] (:)=(/)
^  Call: (209) [user] is_like_space(:)
   Call: (210) [system] char_type(:, 'white')
   Fail: (210) [system] char_type(:, 'white')
   Call: (210) [system] char_type(:, end_of_line)
   Fail: (210) [system] char_type(:, end_of_line)
   Call: (210) [system] char_type(:, space)
   Fail: (210) [system] char_type(:, space)
   Call: (210) [system] char_type(:, cntrl)
   Fail: (210) [system] char_type(:, cntrl)
^  Fail: (209) [user] is_like_space(:)
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _518212)
   Exit: (208) [system] peek_char((0x55772f068e50), :)
   Call: (208) [system] (:)=')'
   Fail: (208) [system] (:)=')'
   Call: (208) [system] (:)=end_of_file
   Fail: (208) [system] (:)=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x55772f068e50), _523782)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _525640)
   Exit: (210) [system] peek_char((0x55772f068e50), :)
   Call: (210) [system] (:)=(;)
   Fail: (210) [system] (:)=(;)
   Call: (210) [system] (:)=(/)
   Fail: (210) [system] (:)=(/)
^  Call: (210) [user] is_like_space(:)
   Call: (211) [system] char_type(:, 'white')
   Fail: (211) [system] char_type(:, 'white')
   Call: (211) [system] char_type(:, end_of_line)
   Fail: (211) [system] char_type(:, end_of_line)
   Call: (211) [system] char_type(:, space)
   Fail: (211) [system] char_type(:, space)
   Call: (211) [system] char_type(:, cntrl)
   Fail: (211) [system] char_type(:, cntrl)
^  Fail: (210) [user] is_like_space(:)
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] get_char((0x55772f068e50), _541650)
   Exit: (209) [system] get_char((0x55772f068e50), :)
   Call: (209) [system] (:)='('
   Fail: (209) [system] (:)='('
   Call: (209) [system] (:)='['
   Fail: (209) [system] (:)='['
   Call: (209) [system] (:)='{'
   Fail: (209) [system] (:)='{'
   Call: (209) [system] (:)='"'
   Fail: (209) [system] (:)='"'
   Call: (209) [system] (:)=!
   Fail: (209) [system] (:)=!
   Call: (209) [system] (:)='\''
   Fail: (209) [system] (:)='\''
   Call: (209) [system] (:)='`'
   Fail: (209) [system] (:)='`'
   Call: (209) [system] (:)=end_of_file
   Fail: (209) [system] (:)=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x55772f068e50), :, _523782)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _559292)
   Call: (211) [system] peek_char((0x55772f068e50), _560226)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _559292=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (210) [user] classify_and_convert_charseq([:], _523782)
^  Call: (211) [user] classify_and_convert_charseq_([:], _569510)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_570462, _570464), once(user:catch(read_from_chars([:], _569510), _570444, fail)), '$restore_trace'(_570462, _570464))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_570462, _570464))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _570444, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(:)
   Exit: (212) [system] atomic(:)
^  Exit: (211) [user] classify_and_convert_charseq_([:], :)
   Call: (211) [system] integer(:)
   Fail: (211) [system] integer(:)
   Call: (211) [system] _523782=(:)
   Exit: (211) [system] (:)=(:)
^  Exit: (210) [user] classify_and_convert_charseq([:], :)
^  Exit: (209) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (208) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (208) [user] read_list(')', (0x55772f068e50), _582590)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _584448)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x55772f068e50), _594042)
   Exit: (210) [system] get_char((0x55772f068e50), ' ')
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _596746)
   Exit: (211) [system] peek_char((0x55772f068e50), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _613680)
   Exit: (209) [system] peek_char((0x55772f068e50), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x55772f068e50), _619250)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _621108)
   Exit: (211) [system] peek_char((0x55772f068e50), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] get_char((0x55772f068e50), _637118)
   Exit: (210) [system] get_char((0x55772f068e50), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x55772f068e50), _619250)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _642688)
   Exit: (212) [system] peek_char((0x55772f068e50), 'C')
   Call: (212) [system] 'C'=(;)
   Fail: (212) [system] 'C'=(;)
   Call: (212) [system] 'C'=(/)
   Fail: (212) [system] 'C'=(/)
^  Call: (212) [user] is_like_space('C')
   Call: (213) [system] char_type('C', 'white')
   Fail: (213) [system] char_type('C', 'white')
   Call: (213) [system] char_type('C', end_of_line)
   Fail: (213) [system] char_type('C', end_of_line)
   Call: (213) [system] char_type('C', space)
   Fail: (213) [system] char_type('C', space)
   Call: (213) [system] char_type('C', cntrl)
   Fail: (213) [system] char_type('C', cntrl)
^  Fail: (212) [user] is_like_space('C')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _658698)
   Exit: (211) [system] peek_char((0x55772f068e50), 'C')
   Call: (211) [system] 'C'=')'
   Fail: (211) [system] 'C'=')'
   Call: (211) [system] 'C'=end_of_file
   Fail: (211) [system] 'C'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x55772f068e50), _664268)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _666126)
   Exit: (213) [system] peek_char((0x55772f068e50), 'C')
   Call: (213) [system] 'C'=(;)
   Fail: (213) [system] 'C'=(;)
   Call: (213) [system] 'C'=(/)
   Fail: (213) [system] 'C'=(/)
^  Call: (213) [user] is_like_space('C')
   Call: (214) [system] char_type('C', 'white')
   Fail: (214) [system] char_type('C', 'white')
   Call: (214) [system] char_type('C', end_of_line)
   Fail: (214) [system] char_type('C', end_of_line)
   Call: (214) [system] char_type('C', space)
   Fail: (214) [system] char_type('C', space)
   Call: (214) [system] char_type('C', cntrl)
   Fail: (214) [system] char_type('C', cntrl)
^  Fail: (213) [user] is_like_space('C')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] get_char((0x55772f068e50), _682136)
   Exit: (212) [system] get_char((0x55772f068e50), 'C')
   Call: (212) [system] 'C'='('
   Fail: (212) [system] 'C'='('
   Call: (212) [system] 'C'='['
   Fail: (212) [system] 'C'='['
   Call: (212) [system] 'C'='{'
   Fail: (212) [system] 'C'='{'
   Call: (212) [system] 'C'='"'
   Fail: (212) [system] 'C'='"'
   Call: (212) [system] 'C'=!
   Fail: (212) [system] 'C'=!
   Call: (212) [system] 'C'='\''
   Fail: (212) [system] 'C'='\''
   Call: (212) [system] 'C'='`'
   Fail: (212) [system] 'C'='`'
   Call: (212) [system] 'C'=end_of_file
   Fail: (212) [system] 'C'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x55772f068e50), 'C', _664268)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _699778)
   Call: (214) [system] peek_char((0x55772f068e50), _700712)
   Exit: (214) [system] peek_char((0x55772f068e50), o)
^  Call: (214) [user] is_delimiter(o)
   Call: (215) [system] char_type(o, space)
   Fail: (215) [system] char_type(o, space)
   Call: (215) [system] arg(_705432, v('(', ')', end_of_file), o)
   Fail: (215) [system] arg(_706364, v('(', ')', end_of_file), o)
^  Fail: (214) [user] is_delimiter(o)
   Call: (214) [system] ')'==o
   Fail: (214) [system] ')'==o
   Call: (214) [system] get_char((0x55772f068e50), o)
   Exit: (214) [system] get_char((0x55772f068e50), o)
   Call: (214) [system] o=(\)
   Fail: (214) [system] o=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _713714)
   Call: (215) [system] peek_char((0x55772f068e50), _714648)
   Exit: (215) [system] peek_char((0x55772f068e50), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_719368, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_720300, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x55772f068e50), n)
   Exit: (215) [system] get_char((0x55772f068e50), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _727650)
   Call: (216) [system] peek_char((0x55772f068e50), _728584)
   Exit: (216) [system] peek_char((0x55772f068e50), j)
^  Call: (216) [user] is_delimiter(j)
   Call: (217) [system] char_type(j, space)
   Fail: (217) [system] char_type(j, space)
   Call: (217) [system] arg(_733304, v('(', ')', end_of_file), j)
   Fail: (217) [system] arg(_734236, v('(', ')', end_of_file), j)
^  Fail: (216) [user] is_delimiter(j)
   Call: (216) [system] ')'==j
   Fail: (216) [system] ')'==j
   Call: (216) [system] get_char((0x55772f068e50), j)
   Exit: (216) [system] get_char((0x55772f068e50), j)
   Call: (216) [system] j=(\)
   Fail: (216) [system] j=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _741586)
   Call: (217) [system] peek_char((0x55772f068e50), _742520)
   Exit: (217) [system] peek_char((0x55772f068e50), u)
^  Call: (217) [user] is_delimiter(u)
   Call: (218) [system] char_type(u, space)
   Fail: (218) [system] char_type(u, space)
   Call: (218) [system] arg(_747240, v('(', ')', end_of_file), u)
   Fail: (218) [system] arg(_748172, v('(', ')', end_of_file), u)
^  Fail: (217) [user] is_delimiter(u)
   Call: (217) [system] ')'==u
   Fail: (217) [system] ')'==u
   Call: (217) [system] get_char((0x55772f068e50), u)
   Exit: (217) [system] get_char((0x55772f068e50), u)
   Call: (217) [system] u=(\)
   Fail: (217) [system] u=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _755522)
   Call: (218) [system] peek_char((0x55772f068e50), _756456)
   Exit: (218) [system] peek_char((0x55772f068e50), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_761176, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_762108, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x55772f068e50), n)
   Exit: (218) [system] get_char((0x55772f068e50), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _769458)
   Call: (219) [system] peek_char((0x55772f068e50), _770392)
   Exit: (219) [system] peek_char((0x55772f068e50), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_775112, v('(', ')', end_of_file), c)
   Fail: (220) [system] arg(_776044, v('(', ')', end_of_file), c)
^  Fail: (219) [user] is_delimiter(c)
   Call: (219) [system] ')'==c
   Fail: (219) [system] ')'==c
   Call: (219) [system] get_char((0x55772f068e50), c)
   Exit: (219) [system] get_char((0x55772f068e50), c)
   Call: (219) [system] c=(\)
   Fail: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _783394)
   Call: (220) [system] peek_char((0x55772f068e50), _784328)
   Exit: (220) [system] peek_char((0x55772f068e50), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_789048, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_789980, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x55772f068e50), t)
   Exit: (220) [system] get_char((0x55772f068e50), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _797330)
   Call: (221) [system] peek_char((0x55772f068e50), _798264)
   Exit: (221) [system] peek_char((0x55772f068e50), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_802984, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_803916, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x55772f068e50), i)
   Exit: (221) [system] get_char((0x55772f068e50), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _811266)
   Call: (222) [system] peek_char((0x55772f068e50), _812200)
   Exit: (222) [system] peek_char((0x55772f068e50), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_816920, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_817852, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x55772f068e50), o)
   Exit: (222) [system] get_char((0x55772f068e50), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _825202)
   Call: (223) [system] peek_char((0x55772f068e50), _826136)
   Exit: (223) [system] peek_char((0x55772f068e50), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_830856, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_831788, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x55772f068e50), n)
   Exit: (223) [system] get_char((0x55772f068e50), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _839138)
   Call: (224) [system] peek_char((0x55772f068e50), _840072)
   Exit: (224) [system] peek_char((0x55772f068e50), 'I')
^  Call: (224) [user] is_delimiter('I')
   Call: (225) [system] char_type('I', space)
   Fail: (225) [system] char_type('I', space)
   Call: (225) [system] arg(_844792, v('(', ')', end_of_file), 'I')
   Fail: (225) [system] arg(_845724, v('(', ')', end_of_file), 'I')
^  Fail: (224) [user] is_delimiter('I')
   Call: (224) [system] ')'=='I'
   Fail: (224) [system] ')'=='I'
   Call: (224) [system] get_char((0x55772f068e50), 'I')
   Exit: (224) [system] get_char((0x55772f068e50), 'I')
   Call: (224) [system] 'I'=(\)
   Fail: (224) [system] 'I'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _853074)
   Call: (225) [system] peek_char((0x55772f068e50), _854008)
   Exit: (225) [system] peek_char((0x55772f068e50), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_858728, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_859660, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x55772f068e50), n)
   Exit: (225) [system] get_char((0x55772f068e50), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _867010)
   Call: (226) [system] peek_char((0x55772f068e50), _867944)
   Exit: (226) [system] peek_char((0x55772f068e50), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_872664, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_873596, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x55772f068e50), t)
   Exit: (226) [system] get_char((0x55772f068e50), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _880946)
   Call: (227) [system] peek_char((0x55772f068e50), _881880)
   Exit: (227) [system] peek_char((0x55772f068e50), r)
^  Call: (227) [user] is_delimiter(r)
   Call: (228) [system] char_type(r, space)
   Fail: (228) [system] char_type(r, space)
   Call: (228) [system] arg(_886600, v('(', ')', end_of_file), r)
   Fail: (228) [system] arg(_887532, v('(', ')', end_of_file), r)
^  Fail: (227) [user] is_delimiter(r)
   Call: (227) [system] ')'==r
   Fail: (227) [system] ')'==r
   Call: (227) [system] get_char((0x55772f068e50), r)
   Exit: (227) [system] get_char((0x55772f068e50), r)
   Call: (227) [system] r=(\)
   Fail: (227) [system] r=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _894882)
   Call: (228) [system] peek_char((0x55772f068e50), _895816)
   Exit: (228) [system] peek_char((0x55772f068e50), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_900536, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_901468, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x55772f068e50), o)
   Exit: (228) [system] get_char((0x55772f068e50), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _908818)
   Call: (229) [system] peek_char((0x55772f068e50), _909752)
   Exit: (229) [system] peek_char((0x55772f068e50), d)
^  Call: (229) [user] is_delimiter(d)
   Call: (230) [system] char_type(d, space)
   Fail: (230) [system] char_type(d, space)
   Call: (230) [system] arg(_914472, v('(', ')', end_of_file), d)
   Fail: (230) [system] arg(_915404, v('(', ')', end_of_file), d)
^  Fail: (229) [user] is_delimiter(d)
   Call: (229) [system] ')'==d
   Fail: (229) [system] ')'==d
   Call: (229) [system] get_char((0x55772f068e50), d)
   Exit: (229) [system] get_char((0x55772f068e50), d)
   Call: (229) [system] d=(\)
   Fail: (229) [system] d=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _922754)
   Call: (230) [system] peek_char((0x55772f068e50), _923688)
   Exit: (230) [system] peek_char((0x55772f068e50), u)
^  Call: (230) [user] is_delimiter(u)
   Call: (231) [system] char_type(u, space)
   Fail: (231) [system] char_type(u, space)
   Call: (231) [system] arg(_928408, v('(', ')', end_of_file), u)
   Fail: (231) [system] arg(_929340, v('(', ')', end_of_file), u)
^  Fail: (230) [user] is_delimiter(u)
   Call: (230) [system] ')'==u
   Fail: (230) [system] ')'==u
   Call: (230) [system] get_char((0x55772f068e50), u)
   Exit: (230) [system] get_char((0x55772f068e50), u)
   Call: (230) [system] u=(\)
   Fail: (230) [system] u=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _936690)
   Call: (231) [system] peek_char((0x55772f068e50), _937624)
   Exit: (231) [system] peek_char((0x55772f068e50), c)
^  Call: (231) [user] is_delimiter(c)
   Call: (232) [system] char_type(c, space)
   Fail: (232) [system] char_type(c, space)
   Call: (232) [system] arg(_942344, v('(', ')', end_of_file), c)
   Fail: (232) [system] arg(_943276, v('(', ')', end_of_file), c)
^  Fail: (231) [user] is_delimiter(c)
   Call: (231) [system] ')'==c
   Fail: (231) [system] ')'==c
   Call: (231) [system] get_char((0x55772f068e50), c)
   Exit: (231) [system] get_char((0x55772f068e50), c)
   Call: (231) [system] c=(\)
   Fail: (231) [system] c=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _950626)
   Call: (232) [system] peek_char((0x55772f068e50), _951560)
   Exit: (232) [system] peek_char((0x55772f068e50), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_956280, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_957212, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x55772f068e50), t)
   Exit: (232) [system] get_char((0x55772f068e50), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _964562)
   Call: (233) [system] peek_char((0x55772f068e50), _965496)
   Exit: (233) [system] peek_char((0x55772f068e50), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_970216, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_971148, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x55772f068e50), i)
   Exit: (233) [system] get_char((0x55772f068e50), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _978498)
   Call: (234) [system] peek_char((0x55772f068e50), _979432)
   Exit: (234) [system] peek_char((0x55772f068e50), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_984152, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_985084, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x55772f068e50), o)
   Exit: (234) [system] get_char((0x55772f068e50), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _992434)
   Call: (235) [system] peek_char((0x55772f068e50), _993368)
   Exit: (235) [system] peek_char((0x55772f068e50), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_998088, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_999020, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x55772f068e50), n)
   Exit: (235) [system] get_char((0x55772f068e50), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1006370)
   Call: (236) [system] peek_char((0x55772f068e50), _1007304)
   Exit: (236) [system] peek_char((0x55772f068e50), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _1006370=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (235) [system] _992434=[n]
   Exit: (235) [system] [n]=[n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (234) [system] _978498=[o, n]
   Exit: (234) [system] [o, n]=[o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (233) [system] _964562=[i, o, n]
   Exit: (233) [system] [i, o, n]=[i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (232) [system] _950626=[t, i, o, n]
   Exit: (232) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (231) [system] _936690=[c, t, i, o, n]
   Exit: (231) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (230) [system] _922754=[u, c, t, i, o, n]
   Exit: (230) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (229) [system] _908818=[d, u, c, t, i, o, n]
   Exit: (229) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (228) [system] _894882=[o, d, u, c, t, i, o, n]
   Exit: (228) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (227) [system] _880946=[r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _867010=[t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _853074=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _839138=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _825202=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _811266=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _797330=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _783394=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _769458=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _755522=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _741586=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _727650=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _713714=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _699778=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (213) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _664268)
^  Call: (214) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1078056)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1079008, _1079010), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1078056), _1078990, fail)), '$restore_trace'(_1079008, _1079010))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1079008, _1079010))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1078056), _1078990, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1078056)
   Fail: (215) [system] atomic(_1078056)
   Call: (215) [system] atom_chars(_1078056, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (215) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (214) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (214) [system] integer('ConjunctionIntroduction')
   Fail: (214) [system] integer('ConjunctionIntroduction')
   Call: (214) [system] _664268='ConjunctionIntroduction'
   Exit: (214) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (213) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (212) [user] read_symbolic(')', (0x55772f068e50), 'C', 'ConjunctionIntroduction')
^  Exit: (211) [user] cont_sexpr(')', (0x55772f068e50), 'ConjunctionIntroduction')
^  Call: (211) [user] read_list(')', (0x55772f068e50), _1093006)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1094864)
   Exit: (213) [system] peek_char((0x55772f068e50), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x55772f068e50), _1104458)
   Exit: (213) [system] get_char((0x55772f068e50), ' ')
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1107162)
   Exit: (214) [system] peek_char((0x55772f068e50), a)
   Call: (214) [system] a=(;)
   Fail: (214) [system] a=(;)
   Call: (214) [system] a=(/)
   Fail: (214) [system] a=(/)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Fail: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Fail: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
   Fail: (215) [system] char_type(a, cntrl)
^  Fail: (214) [user] is_like_space(a)
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1124096)
   Exit: (212) [system] peek_char((0x55772f068e50), a)
   Call: (212) [system] a=')'
   Fail: (212) [system] a=')'
   Call: (212) [system] a=end_of_file
   Fail: (212) [system] a=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x55772f068e50), _1129666)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1131524)
   Exit: (214) [system] peek_char((0x55772f068e50), a)
   Call: (214) [system] a=(;)
   Fail: (214) [system] a=(;)
   Call: (214) [system] a=(/)
   Fail: (214) [system] a=(/)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Fail: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Fail: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
   Fail: (215) [system] char_type(a, cntrl)
^  Fail: (214) [user] is_like_space(a)
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] get_char((0x55772f068e50), _1147534)
   Exit: (213) [system] get_char((0x55772f068e50), a)
   Call: (213) [system] a='('
   Fail: (213) [system] a='('
   Call: (213) [system] a='['
   Fail: (213) [system] a='['
   Call: (213) [system] a='{'
   Fail: (213) [system] a='{'
   Call: (213) [system] a='"'
   Fail: (213) [system] a='"'
   Call: (213) [system] a=!
   Fail: (213) [system] a=!
   Call: (213) [system] a='\''
   Fail: (213) [system] a='\''
   Call: (213) [system] a='`'
   Fail: (213) [system] a='`'
   Call: (213) [system] a=end_of_file
   Fail: (213) [system] a=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x55772f068e50), a, _1129666)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1165176)
   Call: (215) [system] peek_char((0x55772f068e50), _1166110)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1165176=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (214) [user] classify_and_convert_charseq([a], _1129666)
^  Call: (215) [user] classify_and_convert_charseq_([a], _1175394)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1176346, _1176348), once(user:catch(read_from_chars([a], _1175394), _1176328, fail)), '$restore_trace'(_1176346, _1176348))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1176346, _1176348))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1176328, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(a)
   Exit: (216) [system] atomic(a)
^  Exit: (215) [user] classify_and_convert_charseq_([a], a)
   Call: (215) [system] integer(a)
   Fail: (215) [system] integer(a)
   Call: (215) [system] _1129666=a
   Exit: (215) [system] a=a
^  Exit: (214) [user] classify_and_convert_charseq([a], a)
^  Exit: (213) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (212) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (212) [user] read_list(')', (0x55772f068e50), _1188474)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1190332)
   Exit: (214) [system] peek_char((0x55772f068e50), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x55772f068e50), _1199926)
   Exit: (214) [system] get_char((0x55772f068e50), ' ')
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1202630)
   Exit: (215) [system] peek_char((0x55772f068e50), a)
   Call: (215) [system] a=(;)
   Fail: (215) [system] a=(;)
   Call: (215) [system] a=(/)
   Fail: (215) [system] a=(/)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Fail: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Fail: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
   Fail: (216) [system] char_type(a, cntrl)
^  Fail: (215) [user] is_like_space(a)
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1219564)
   Exit: (213) [system] peek_char((0x55772f068e50), a)
   Call: (213) [system] a=')'
   Fail: (213) [system] a=')'
   Call: (213) [system] a=end_of_file
   Fail: (213) [system] a=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _1225134)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1226992)
   Exit: (215) [system] peek_char((0x55772f068e50), a)
   Call: (215) [system] a=(;)
   Fail: (215) [system] a=(;)
   Call: (215) [system] a=(/)
   Fail: (215) [system] a=(/)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Fail: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Fail: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
   Fail: (216) [system] char_type(a, cntrl)
^  Fail: (215) [user] is_like_space(a)
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _1243002)
   Exit: (214) [system] get_char((0x55772f068e50), a)
   Call: (214) [system] a='('
   Fail: (214) [system] a='('
   Call: (214) [system] a='['
   Fail: (214) [system] a='['
   Call: (214) [system] a='{'
   Fail: (214) [system] a='{'
   Call: (214) [system] a='"'
   Fail: (214) [system] a='"'
   Call: (214) [system] a=!
   Fail: (214) [system] a=!
   Call: (214) [system] a='\''
   Fail: (214) [system] a='\''
   Call: (214) [system] a='`'
   Fail: (214) [system] a='`'
   Call: (214) [system] a=end_of_file
   Fail: (214) [system] a=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x55772f068e50), a, _1225134)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1260644)
   Call: (216) [system] peek_char((0x55772f068e50), _1261578)
   Exit: (216) [system] peek_char((0x55772f068e50), b)
^  Call: (216) [user] is_delimiter(b)
   Call: (217) [system] char_type(b, space)
   Fail: (217) [system] char_type(b, space)
   Call: (217) [system] arg(_1266298, v('(', ')', end_of_file), b)
   Fail: (217) [system] arg(_1267230, v('(', ')', end_of_file), b)
^  Fail: (216) [user] is_delimiter(b)
   Call: (216) [system] ')'==b
   Fail: (216) [system] ')'==b
   Call: (216) [system] get_char((0x55772f068e50), b)
   Exit: (216) [system] get_char((0x55772f068e50), b)
   Call: (216) [system] b=(\)
   Fail: (216) [system] b=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1274580)
   Call: (217) [system] peek_char((0x55772f068e50), _1275514)
   Exit: (217) [system] peek_char((0x55772f068e50), c)
^  Call: (217) [user] is_delimiter(c)
   Call: (218) [system] char_type(c, space)
   Fail: (218) [system] char_type(c, space)
   Call: (218) [system] arg(_1280234, v('(', ')', end_of_file), c)
   Fail: (218) [system] arg(_1281166, v('(', ')', end_of_file), c)
^  Fail: (217) [user] is_delimiter(c)
   Call: (217) [system] ')'==c
   Fail: (217) [system] ')'==c
   Call: (217) [system] get_char((0x55772f068e50), c)
   Exit: (217) [system] get_char((0x55772f068e50), c)
   Call: (217) [system] c=(\)
   Fail: (217) [system] c=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1288516)
   Call: (218) [system] peek_char((0x55772f068e50), _1289450)
   Exit: (218) [system] peek_char((0x55772f068e50), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_1294170, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _1288516=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (217) [system] _1274580=[c]
   Exit: (217) [system] [c]=[c]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (216) [system] _1260644=[b, c]
   Exit: (216) [system] [b, c]=[b, c]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (215) [user] classify_and_convert_charseq([a, b, c], _1225134)
^  Call: (216) [user] classify_and_convert_charseq_([a, b, c], _1306194)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1307146, _1307148), once(user:catch(read_from_chars([a, b, c], _1306194), _1307128, fail)), '$restore_trace'(_1307146, _1307148))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1307146, _1307148))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1307128, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(abc)
   Exit: (217) [system] atomic(abc)
^  Exit: (216) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (216) [system] integer(abc)
   Fail: (216) [system] integer(abc)
   Call: (216) [system] _1225134=abc
   Exit: (216) [system] abc=abc
^  Exit: (215) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (214) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (213) [user] read_list(')', (0x55772f068e50), _1319274)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1321132)
   Exit: (215) [system] peek_char((0x55772f068e50), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1337142)
   Exit: (214) [system] peek_char((0x55772f068e50), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x55772f068e50), _1340932)
   Exit: (214) [system] get_char((0x55772f068e50), ')')
   Call: (214) [system] _1319274=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x55772f068e50), [])
   Call: (213) [system] _1188474=[abc]
   Exit: (213) [system] [abc]=[abc]
^  Exit: (212) [user] read_list(')', (0x55772f068e50), [abc])
   Call: (212) [system] _1093006=[a, abc]
   Exit: (212) [system] [a, abc]=[a, abc]
^  Exit: (211) [user] read_list(')', (0x55772f068e50), [a, abc])
   Call: (211) [system] _619250=['ConjunctionIntroduction', a, abc]
   Exit: (211) [system] ['ConjunctionIntroduction', a, abc]=['ConjunctionIntroduction', a, abc]
^  Exit: (210) [user] read_list(')', (0x55772f068e50), ['ConjunctionIntroduction', a, abc])
^  Exit: (209) [user] cont_sexpr(')', (0x55772f068e50), ['ConjunctionIntroduction', a, abc])
^  Call: (209) [user] read_list(')', (0x55772f068e50), _1354814)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1356672)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x55772f068e50), _1366266)
   Exit: (211) [system] get_char((0x55772f068e50), ' ')
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1368970)
   Exit: (212) [system] peek_char((0x55772f068e50), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1385904)
   Exit: (210) [system] peek_char((0x55772f068e50), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x55772f068e50), _1391474)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1393332)
   Exit: (212) [system] peek_char((0x55772f068e50), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] get_char((0x55772f068e50), _1409342)
   Exit: (211) [system] get_char((0x55772f068e50), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x55772f068e50), _1391474)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1414912)
   Exit: (213) [system] peek_char((0x55772f068e50), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
   Call: (213) [system] 'A'=(/)
   Fail: (213) [system] 'A'=(/)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1430922)
   Exit: (212) [system] peek_char((0x55772f068e50), 'A')
   Call: (212) [system] 'A'=')'
   Fail: (212) [system] 'A'=')'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x55772f068e50), _1436492)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1438350)
   Exit: (214) [system] peek_char((0x55772f068e50), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
   Call: (214) [system] 'A'=(/)
   Fail: (214) [system] 'A'=(/)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] get_char((0x55772f068e50), _1454360)
   Exit: (213) [system] get_char((0x55772f068e50), 'A')
   Call: (213) [system] 'A'='('
   Fail: (213) [system] 'A'='('
   Call: (213) [system] 'A'='['
   Fail: (213) [system] 'A'='['
   Call: (213) [system] 'A'='{'
   Fail: (213) [system] 'A'='{'
   Call: (213) [system] 'A'='"'
   Fail: (213) [system] 'A'='"'
   Call: (213) [system] 'A'=!
   Fail: (213) [system] 'A'=!
   Call: (213) [system] 'A'='\''
   Fail: (213) [system] 'A'='\''
   Call: (213) [system] 'A'='`'
   Fail: (213) [system] 'A'='`'
   Call: (213) [system] 'A'=end_of_file
   Fail: (213) [system] 'A'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x55772f068e50), 'A', _1436492)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1472002)
   Call: (215) [system] peek_char((0x55772f068e50), _1472936)
   Exit: (215) [system] peek_char((0x55772f068e50), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1477656, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1478588, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x55772f068e50), n)
   Exit: (215) [system] get_char((0x55772f068e50), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1485938)
   Call: (216) [system] peek_char((0x55772f068e50), _1486872)
   Exit: (216) [system] peek_char((0x55772f068e50), d)
^  Call: (216) [user] is_delimiter(d)
   Call: (217) [system] char_type(d, space)
   Fail: (217) [system] char_type(d, space)
   Call: (217) [system] arg(_1491592, v('(', ')', end_of_file), d)
   Fail: (217) [system] arg(_1492524, v('(', ')', end_of_file), d)
^  Fail: (216) [user] is_delimiter(d)
   Call: (216) [system] ')'==d
   Fail: (216) [system] ')'==d
   Call: (216) [system] get_char((0x55772f068e50), d)
   Exit: (216) [system] get_char((0x55772f068e50), d)
   Call: (216) [system] d=(\)
   Fail: (216) [system] d=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1499874)
   Call: (217) [system] peek_char((0x55772f068e50), _1500808)
   Exit: (217) [system] peek_char((0x55772f068e50), 'L')
^  Call: (217) [user] is_delimiter('L')
   Call: (218) [system] char_type('L', space)
   Fail: (218) [system] char_type('L', space)
   Call: (218) [system] arg(_1505528, v('(', ')', end_of_file), 'L')
   Fail: (218) [system] arg(_1506460, v('(', ')', end_of_file), 'L')
^  Fail: (217) [user] is_delimiter('L')
   Call: (217) [system] ')'=='L'
   Fail: (217) [system] ')'=='L'
   Call: (217) [system] get_char((0x55772f068e50), 'L')
   Exit: (217) [system] get_char((0x55772f068e50), 'L')
   Call: (217) [system] 'L'=(\)
   Fail: (217) [system] 'L'=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1513810)
   Call: (218) [system] peek_char((0x55772f068e50), _1514744)
   Exit: (218) [system] peek_char((0x55772f068e50), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_1519464, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_1520396, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x55772f068e50), i)
   Exit: (218) [system] get_char((0x55772f068e50), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1527746)
   Call: (219) [system] peek_char((0x55772f068e50), _1528680)
   Exit: (219) [system] peek_char((0x55772f068e50), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1533400, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1534332, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x55772f068e50), n)
   Exit: (219) [system] get_char((0x55772f068e50), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1541682)
   Call: (220) [system] peek_char((0x55772f068e50), _1542616)
   Exit: (220) [system] peek_char((0x55772f068e50), k)
^  Call: (220) [user] is_delimiter(k)
   Call: (221) [system] char_type(k, space)
   Fail: (221) [system] char_type(k, space)
   Call: (221) [system] arg(_1547336, v('(', ')', end_of_file), k)
   Fail: (221) [system] arg(_1548268, v('(', ')', end_of_file), k)
^  Fail: (220) [user] is_delimiter(k)
   Call: (220) [system] ')'==k
   Fail: (220) [system] ')'==k
   Call: (220) [system] get_char((0x55772f068e50), k)
   Exit: (220) [system] get_char((0x55772f068e50), k)
   Call: (220) [system] k=(\)
   Fail: (220) [system] k=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1555618)
   Call: (221) [system] peek_char((0x55772f068e50), _1556552)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _1555618=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (220) [system] _1541682=[k]
   Exit: (220) [system] [k]=[k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (219) [system] _1527746=[n, k]
   Exit: (219) [system] [n, k]=[n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (218) [system] _1513810=[i, n, k]
   Exit: (218) [system] [i, n, k]=[i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (217) [system] _1499874=['L', i, n, k]
   Exit: (217) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (216) [system] _1485938=[d, 'L', i, n, k]
   Exit: (216) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (215) [system] _1472002=[n, d, 'L', i, n, k]
   Exit: (215) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (214) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1436492)
^  Call: (215) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1582600)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1583552, _1583554), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1582600), _1583534, fail)), '$restore_trace'(_1583552, _1583554))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1583552, _1583554))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1582600), _1583534, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1582600)
   Fail: (216) [system] atomic(_1582600)
   Call: (216) [system] atom_chars(_1582600, ['A', n, d, 'L', i, n, k])
   Exit: (216) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (215) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (215) [system] integer('AndLink')
   Fail: (215) [system] integer('AndLink')
   Call: (215) [system] _1436492='AndLink'
   Exit: (215) [system] 'AndLink'='AndLink'
^  Exit: (214) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (213) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (212) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (212) [user] read_list(')', (0x55772f068e50), _1597550)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1599408)
   Exit: (214) [system] peek_char((0x55772f068e50), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x55772f068e50), _1609002)
   Exit: (214) [system] get_char((0x55772f068e50), ' ')
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1611706)
   Exit: (215) [system] peek_char((0x55772f068e50), 'B')
   Call: (215) [system] 'B'=(;)
   Fail: (215) [system] 'B'=(;)
   Call: (215) [system] 'B'=(/)
   Fail: (215) [system] 'B'=(/)
^  Call: (215) [user] is_like_space('B')
   Call: (216) [system] char_type('B', 'white')
   Fail: (216) [system] char_type('B', 'white')
   Call: (216) [system] char_type('B', end_of_line)
   Fail: (216) [system] char_type('B', end_of_line)
   Call: (216) [system] char_type('B', space)
   Fail: (216) [system] char_type('B', space)
   Call: (216) [system] char_type('B', cntrl)
   Fail: (216) [system] char_type('B', cntrl)
^  Fail: (215) [user] is_like_space('B')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1628640)
   Exit: (213) [system] peek_char((0x55772f068e50), 'B')
   Call: (213) [system] 'B'=')'
   Fail: (213) [system] 'B'=')'
   Call: (213) [system] 'B'=end_of_file
   Fail: (213) [system] 'B'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _1634210)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1636068)
   Exit: (215) [system] peek_char((0x55772f068e50), 'B')
   Call: (215) [system] 'B'=(;)
   Fail: (215) [system] 'B'=(;)
   Call: (215) [system] 'B'=(/)
   Fail: (215) [system] 'B'=(/)
^  Call: (215) [user] is_like_space('B')
   Call: (216) [system] char_type('B', 'white')
   Fail: (216) [system] char_type('B', 'white')
   Call: (216) [system] char_type('B', end_of_line)
   Fail: (216) [system] char_type('B', end_of_line)
   Call: (216) [system] char_type('B', space)
   Fail: (216) [system] char_type('B', space)
   Call: (216) [system] char_type('B', cntrl)
   Fail: (216) [system] char_type('B', cntrl)
^  Fail: (215) [user] is_like_space('B')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _1652078)
   Exit: (214) [system] get_char((0x55772f068e50), 'B')
   Call: (214) [system] 'B'='('
   Fail: (214) [system] 'B'='('
   Call: (214) [system] 'B'='['
   Fail: (214) [system] 'B'='['
   Call: (214) [system] 'B'='{'
   Fail: (214) [system] 'B'='{'
   Call: (214) [system] 'B'='"'
   Fail: (214) [system] 'B'='"'
   Call: (214) [system] 'B'=!
   Fail: (214) [system] 'B'=!
   Call: (214) [system] 'B'='\''
   Fail: (214) [system] 'B'='\''
   Call: (214) [system] 'B'='`'
   Fail: (214) [system] 'B'='`'
   Call: (214) [system] 'B'=end_of_file
   Fail: (214) [system] 'B'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x55772f068e50), 'B', _1634210)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1669720)
   Call: (216) [system] peek_char((0x55772f068e50), _1670654)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1669720=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (215) [user] classify_and_convert_charseq(['B'], _1634210)
^  Call: (216) [user] classify_and_convert_charseq_(['B'], _1679938)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1680890, _1680892), once(user:catch(read_from_chars(['B'], _1679938), _1680872, fail)), '$restore_trace'(_1680890, _1680892))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1680890, _1680892))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1679938), _1680872, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1679938)
   Fail: (217) [system] atomic(_1679938)
   Call: (217) [system] atom_chars(_1679938, ['B'])
   Exit: (217) [system] atom_chars('B', ['B'])
^  Exit: (216) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (216) [system] integer('B')
   Fail: (216) [system] integer('B')
   Call: (216) [system] _1634210='B'
   Exit: (216) [system] 'B'='B'
^  Exit: (215) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (214) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (213) [user] read_list(')', (0x55772f068e50), _1694888)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1696746)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x55772f068e50), _1706340)
   Exit: (215) [system] get_char((0x55772f068e50), ' ')
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1709044)
   Exit: (216) [system] peek_char((0x55772f068e50), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1725978)
   Exit: (214) [system] peek_char((0x55772f068e50), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _1731548)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1733406)
   Exit: (216) [system] peek_char((0x55772f068e50), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _1749416)
   Exit: (215) [system] get_char((0x55772f068e50), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x55772f068e50), _1731548)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1754986)
   Exit: (217) [system] peek_char((0x55772f068e50), 'I')
   Call: (217) [system] 'I'=(;)
   Fail: (217) [system] 'I'=(;)
   Call: (217) [system] 'I'=(/)
   Fail: (217) [system] 'I'=(/)
^  Call: (217) [user] is_like_space('I')
   Call: (218) [system] char_type('I', 'white')
   Fail: (218) [system] char_type('I', 'white')
   Call: (218) [system] char_type('I', end_of_line)
   Fail: (218) [system] char_type('I', end_of_line)
   Call: (218) [system] char_type('I', space)
   Fail: (218) [system] char_type('I', space)
   Call: (218) [system] char_type('I', cntrl)
   Fail: (218) [system] char_type('I', cntrl)
^  Fail: (217) [user] is_like_space('I')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1770996)
   Exit: (216) [system] peek_char((0x55772f068e50), 'I')
   Call: (216) [system] 'I'=')'
   Fail: (216) [system] 'I'=')'
   Call: (216) [system] 'I'=end_of_file
   Fail: (216) [system] 'I'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x55772f068e50), _1776566)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1778424)
   Exit: (218) [system] peek_char((0x55772f068e50), 'I')
   Call: (218) [system] 'I'=(;)
   Fail: (218) [system] 'I'=(;)
   Call: (218) [system] 'I'=(/)
   Fail: (218) [system] 'I'=(/)
^  Call: (218) [user] is_like_space('I')
   Call: (219) [system] char_type('I', 'white')
   Fail: (219) [system] char_type('I', 'white')
   Call: (219) [system] char_type('I', end_of_line)
   Fail: (219) [system] char_type('I', end_of_line)
   Call: (219) [system] char_type('I', space)
   Fail: (219) [system] char_type('I', space)
   Call: (219) [system] char_type('I', cntrl)
   Fail: (219) [system] char_type('I', cntrl)
^  Fail: (218) [user] is_like_space('I')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] get_char((0x55772f068e50), _1794434)
   Exit: (217) [system] get_char((0x55772f068e50), 'I')
   Call: (217) [system] 'I'='('
   Fail: (217) [system] 'I'='('
   Call: (217) [system] 'I'='['
   Fail: (217) [system] 'I'='['
   Call: (217) [system] 'I'='{'
   Fail: (217) [system] 'I'='{'
   Call: (217) [system] 'I'='"'
   Fail: (217) [system] 'I'='"'
   Call: (217) [system] 'I'=!
   Fail: (217) [system] 'I'=!
   Call: (217) [system] 'I'='\''
   Fail: (217) [system] 'I'='\''
   Call: (217) [system] 'I'='`'
   Fail: (217) [system] 'I'='`'
   Call: (217) [system] 'I'=end_of_file
   Fail: (217) [system] 'I'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x55772f068e50), 'I', _1776566)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1812076)
   Call: (219) [system] peek_char((0x55772f068e50), _1813010)
   Exit: (219) [system] peek_char((0x55772f068e50), m)
^  Call: (219) [user] is_delimiter(m)
   Call: (220) [system] char_type(m, space)
   Fail: (220) [system] char_type(m, space)
   Call: (220) [system] arg(_1817730, v('(', ')', end_of_file), m)
   Fail: (220) [system] arg(_1818662, v('(', ')', end_of_file), m)
^  Fail: (219) [user] is_delimiter(m)
   Call: (219) [system] ')'==m
   Fail: (219) [system] ')'==m
   Call: (219) [system] get_char((0x55772f068e50), m)
   Exit: (219) [system] get_char((0x55772f068e50), m)
   Call: (219) [system] m=(\)
   Fail: (219) [system] m=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1826012)
   Call: (220) [system] peek_char((0x55772f068e50), _1826946)
   Exit: (220) [system] peek_char((0x55772f068e50), p)
^  Call: (220) [user] is_delimiter(p)
   Call: (221) [system] char_type(p, space)
   Fail: (221) [system] char_type(p, space)
   Call: (221) [system] arg(_1831666, v('(', ')', end_of_file), p)
   Fail: (221) [system] arg(_1832598, v('(', ')', end_of_file), p)
^  Fail: (220) [user] is_delimiter(p)
   Call: (220) [system] ')'==p
   Fail: (220) [system] ')'==p
   Call: (220) [system] get_char((0x55772f068e50), p)
   Exit: (220) [system] get_char((0x55772f068e50), p)
   Call: (220) [system] p=(\)
   Fail: (220) [system] p=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1839948)
   Call: (221) [system] peek_char((0x55772f068e50), _1840882)
   Exit: (221) [system] peek_char((0x55772f068e50), l)
^  Call: (221) [user] is_delimiter(l)
   Call: (222) [system] char_type(l, space)
   Fail: (222) [system] char_type(l, space)
   Call: (222) [system] arg(_1845602, v('(', ')', end_of_file), l)
   Fail: (222) [system] arg(_1846534, v('(', ')', end_of_file), l)
^  Fail: (221) [user] is_delimiter(l)
   Call: (221) [system] ')'==l
   Fail: (221) [system] ')'==l
   Call: (221) [system] get_char((0x55772f068e50), l)
   Exit: (221) [system] get_char((0x55772f068e50), l)
   Call: (221) [system] l=(\)
   Fail: (221) [system] l=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1853884)
   Call: (222) [system] peek_char((0x55772f068e50), _1854818)
   Exit: (222) [system] peek_char((0x55772f068e50), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1859538, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_1860470, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x55772f068e50), i)
   Exit: (222) [system] get_char((0x55772f068e50), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1867820)
   Call: (223) [system] peek_char((0x55772f068e50), _1868754)
   Exit: (223) [system] peek_char((0x55772f068e50), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_1873474, v('(', ')', end_of_file), c)
   Fail: (224) [system] arg(_1874406, v('(', ')', end_of_file), c)
^  Fail: (223) [user] is_delimiter(c)
   Call: (223) [system] ')'==c
   Fail: (223) [system] ')'==c
   Call: (223) [system] get_char((0x55772f068e50), c)
   Exit: (223) [system] get_char((0x55772f068e50), c)
   Call: (223) [system] c=(\)
   Fail: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1881756)
   Call: (224) [system] peek_char((0x55772f068e50), _1882690)
   Exit: (224) [system] peek_char((0x55772f068e50), a)
^  Call: (224) [user] is_delimiter(a)
   Call: (225) [system] char_type(a, space)
   Fail: (225) [system] char_type(a, space)
   Call: (225) [system] arg(_1887410, v('(', ')', end_of_file), a)
   Fail: (225) [system] arg(_1888342, v('(', ')', end_of_file), a)
^  Fail: (224) [user] is_delimiter(a)
   Call: (224) [system] ')'==a
   Fail: (224) [system] ')'==a
   Call: (224) [system] get_char((0x55772f068e50), a)
   Exit: (224) [system] get_char((0x55772f068e50), a)
   Call: (224) [system] a=(\)
   Fail: (224) [system] a=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1895692)
   Call: (225) [system] peek_char((0x55772f068e50), _1896626)
   Exit: (225) [system] peek_char((0x55772f068e50), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_1901346, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_1902278, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x55772f068e50), t)
   Exit: (225) [system] get_char((0x55772f068e50), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1909628)
   Call: (226) [system] peek_char((0x55772f068e50), _1910562)
   Exit: (226) [system] peek_char((0x55772f068e50), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_1915282, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_1916214, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x55772f068e50), i)
   Exit: (226) [system] get_char((0x55772f068e50), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1923564)
   Call: (227) [system] peek_char((0x55772f068e50), _1924498)
   Exit: (227) [system] peek_char((0x55772f068e50), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_1929218, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_1930150, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x55772f068e50), o)
   Exit: (227) [system] get_char((0x55772f068e50), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1937500)
   Call: (228) [system] peek_char((0x55772f068e50), _1938434)
   Exit: (228) [system] peek_char((0x55772f068e50), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_1943154, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_1944086, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x55772f068e50), n)
   Exit: (228) [system] get_char((0x55772f068e50), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1951436)
   Call: (229) [system] peek_char((0x55772f068e50), _1952370)
   Exit: (229) [system] peek_char((0x55772f068e50), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _1951436=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (228) [system] _1937500=[n]
   Exit: (228) [system] [n]=[n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (227) [system] _1923564=[o, n]
   Exit: (227) [system] [o, n]=[o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (226) [system] _1909628=[i, o, n]
   Exit: (226) [system] [i, o, n]=[i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (225) [system] _1895692=[t, i, o, n]
   Exit: (225) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (224) [system] _1881756=[a, t, i, o, n]
   Exit: (224) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (223) [system] _1867820=[c, a, t, i, o, n]
   Exit: (223) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (222) [system] _1853884=[i, c, a, t, i, o, n]
   Exit: (222) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (221) [system] _1839948=[l, i, c, a, t, i, o, n]
   Exit: (221) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (220) [system] _1826012=[p, l, i, c, a, t, i, o, n]
   Exit: (220) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (219) [system] _1812076=[m, p, l, i, c, a, t, i, o, n]
   Exit: (219) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (218) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1776566)
^  Call: (219) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1989594)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1990546, _1990548), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1989594), _1990528, fail)), '$restore_trace'(_1990546, _1990548))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1990546, _1990548))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1989594), _1990528, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1989594)
   Fail: (220) [system] atomic(_1989594)
   Call: (220) [system] atom_chars(_1989594, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (220) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (219) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (219) [system] integer('Implication')
   Fail: (219) [system] integer('Implication')
   Call: (219) [system] _1776566='Implication'
   Exit: (219) [system] 'Implication'='Implication'
^  Exit: (218) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (217) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (216) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (216) [user] read_list(')', (0x55772f068e50), _2004544)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _2006402)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x55772f068e50), _2015996)
   Exit: (218) [system] get_char((0x55772f068e50), ' ')
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _2018700)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _2035634)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _2041204)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _2043062)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _2059072)
   Exit: (218) [system] get_char((0x55772f068e50), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x55772f068e50), _2041204)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _2064642)
   Exit: (220) [system] peek_char((0x55772f068e50), 'A')
   Call: (220) [system] 'A'=(;)
   Fail: (220) [system] 'A'=(;)
   Call: (220) [system] 'A'=(/)
   Fail: (220) [system] 'A'=(/)
^  Call: (220) [user] is_like_space('A')
   Call: (221) [system] char_type('A', 'white')
   Fail: (221) [system] char_type('A', 'white')
   Call: (221) [system] char_type('A', end_of_line)
   Fail: (221) [system] char_type('A', end_of_line)
   Call: (221) [system] char_type('A', space)
   Fail: (221) [system] char_type('A', space)
   Call: (221) [system] char_type('A', cntrl)
   Fail: (221) [system] char_type('A', cntrl)
^  Fail: (220) [user] is_like_space('A')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _2080652)
   Exit: (219) [system] peek_char((0x55772f068e50), 'A')
   Call: (219) [system] 'A'=')'
   Fail: (219) [system] 'A'=')'
   Call: (219) [system] 'A'=end_of_file
   Fail: (219) [system] 'A'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _2086222)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _2088080)
   Exit: (221) [system] peek_char((0x55772f068e50), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
   Call: (221) [system] 'A'=(/)
   Fail: (221) [system] 'A'=(/)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _12768)
   Exit: (220) [system] get_char((0x55772f068e50), 'A')
   Call: (220) [system] 'A'='('
   Fail: (220) [system] 'A'='('
   Call: (220) [system] 'A'='['
   Fail: (220) [system] 'A'='['
   Call: (220) [system] 'A'='{'
   Fail: (220) [system] 'A'='{'
   Call: (220) [system] 'A'='"'
   Fail: (220) [system] 'A'='"'
   Call: (220) [system] 'A'=!
   Fail: (220) [system] 'A'=!
   Call: (220) [system] 'A'='\''
   Fail: (220) [system] 'A'='\''
   Call: (220) [system] 'A'='`'
   Fail: (220) [system] 'A'='`'
   Call: (220) [system] 'A'=end_of_file
   Fail: (220) [system] 'A'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x55772f068e50), 'A', _4918)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _30410)
   Call: (222) [system] peek_char((0x55772f068e50), _31344)
   Exit: (222) [system] peek_char((0x55772f068e50), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_36064, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_36996, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x55772f068e50), n)
   Exit: (222) [system] get_char((0x55772f068e50), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _44346)
   Call: (223) [system] peek_char((0x55772f068e50), _45280)
   Exit: (223) [system] peek_char((0x55772f068e50), d)
^  Call: (223) [user] is_delimiter(d)
   Call: (224) [system] char_type(d, space)
   Fail: (224) [system] char_type(d, space)
   Call: (224) [system] arg(_50000, v('(', ')', end_of_file), d)
   Fail: (224) [system] arg(_50932, v('(', ')', end_of_file), d)
^  Fail: (223) [user] is_delimiter(d)
   Call: (223) [system] ')'==d
   Fail: (223) [system] ')'==d
   Call: (223) [system] get_char((0x55772f068e50), d)
   Exit: (223) [system] get_char((0x55772f068e50), d)
   Call: (223) [system] d=(\)
   Fail: (223) [system] d=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _58282)
   Call: (224) [system] peek_char((0x55772f068e50), _59216)
   Exit: (224) [system] peek_char((0x55772f068e50), 'L')
^  Call: (224) [user] is_delimiter('L')
   Call: (225) [system] char_type('L', space)
   Fail: (225) [system] char_type('L', space)
   Call: (225) [system] arg(_63936, v('(', ')', end_of_file), 'L')
   Fail: (225) [system] arg(_64868, v('(', ')', end_of_file), 'L')
^  Fail: (224) [user] is_delimiter('L')
   Call: (224) [system] ')'=='L'
   Fail: (224) [system] ')'=='L'
   Call: (224) [system] get_char((0x55772f068e50), 'L')
   Exit: (224) [system] get_char((0x55772f068e50), 'L')
   Call: (224) [system] 'L'=(\)
   Fail: (224) [system] 'L'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _72218)
   Call: (225) [system] peek_char((0x55772f068e50), _73152)
   Exit: (225) [system] peek_char((0x55772f068e50), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_77872, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_78804, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x55772f068e50), i)
   Exit: (225) [system] get_char((0x55772f068e50), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _86154)
   Call: (226) [system] peek_char((0x55772f068e50), _87088)
   Exit: (226) [system] peek_char((0x55772f068e50), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_91808, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_92740, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x55772f068e50), n)
   Exit: (226) [system] get_char((0x55772f068e50), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _100090)
   Call: (227) [system] peek_char((0x55772f068e50), _101024)
   Exit: (227) [system] peek_char((0x55772f068e50), k)
^  Call: (227) [user] is_delimiter(k)
   Call: (228) [system] char_type(k, space)
   Fail: (228) [system] char_type(k, space)
   Call: (228) [system] arg(_105744, v('(', ')', end_of_file), k)
   Fail: (228) [system] arg(_106676, v('(', ')', end_of_file), k)
^  Fail: (227) [user] is_delimiter(k)
   Call: (227) [system] ')'==k
   Fail: (227) [system] ')'==k
   Call: (227) [system] get_char((0x55772f068e50), k)
   Exit: (227) [system] get_char((0x55772f068e50), k)
   Call: (227) [system] k=(\)
   Fail: (227) [system] k=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _114026)
   Call: (228) [system] peek_char((0x55772f068e50), _114960)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _114026=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (227) [system] _100090=[k]
   Exit: (227) [system] [k]=[k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (226) [system] _86154=[n, k]
   Exit: (226) [system] [n, k]=[n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (225) [system] _72218=[i, n, k]
   Exit: (225) [system] [i, n, k]=[i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (224) [system] _58282=['L', i, n, k]
   Exit: (224) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (223) [system] _44346=[d, 'L', i, n, k]
   Exit: (223) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (222) [system] _30410=[n, d, 'L', i, n, k]
   Exit: (222) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (221) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _4918)
^  Call: (222) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _141008)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_141960, _141962), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _141008), _141942, fail)), '$restore_trace'(_141960, _141962))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_141960, _141962))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _141008), _141942, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_141008)
   Fail: (223) [system] atomic(_141008)
   Call: (223) [system] atom_chars(_141008, ['A', n, d, 'L', i, n, k])
   Exit: (223) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (222) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (222) [system] integer('AndLink')
   Fail: (222) [system] integer('AndLink')
   Call: (222) [system] _4918='AndLink'
   Exit: (222) [system] 'AndLink'='AndLink'
^  Exit: (221) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (220) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (219) [user] read_list(')', (0x55772f068e50), _155958)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _157816)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x55772f068e50), _167410)
   Exit: (221) [system] get_char((0x55772f068e50), ' ')
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _170114)
   Exit: (222) [system] peek_char((0x55772f068e50), 'A')
   Call: (222) [system] 'A'=(;)
   Fail: (222) [system] 'A'=(;)
   Call: (222) [system] 'A'=(/)
   Fail: (222) [system] 'A'=(/)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Fail: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Fail: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Fail: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
   Fail: (223) [system] char_type('A', cntrl)
^  Fail: (222) [user] is_like_space('A')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _187048)
   Exit: (220) [system] peek_char((0x55772f068e50), 'A')
   Call: (220) [system] 'A'=')'
   Fail: (220) [system] 'A'=')'
   Call: (220) [system] 'A'=end_of_file
   Fail: (220) [system] 'A'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _192618)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _194476)
   Exit: (222) [system] peek_char((0x55772f068e50), 'A')
   Call: (222) [system] 'A'=(;)
   Fail: (222) [system] 'A'=(;)
   Call: (222) [system] 'A'=(/)
   Fail: (222) [system] 'A'=(/)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Fail: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Fail: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Fail: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
   Fail: (223) [system] char_type('A', cntrl)
^  Fail: (222) [user] is_like_space('A')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _210486)
   Exit: (221) [system] get_char((0x55772f068e50), 'A')
   Call: (221) [system] 'A'='('
   Fail: (221) [system] 'A'='('
   Call: (221) [system] 'A'='['
   Fail: (221) [system] 'A'='['
   Call: (221) [system] 'A'='{'
   Fail: (221) [system] 'A'='{'
   Call: (221) [system] 'A'='"'
   Fail: (221) [system] 'A'='"'
   Call: (221) [system] 'A'=!
   Fail: (221) [system] 'A'=!
   Call: (221) [system] 'A'='\''
   Fail: (221) [system] 'A'='\''
   Call: (221) [system] 'A'='`'
   Fail: (221) [system] 'A'='`'
   Call: (221) [system] 'A'=end_of_file
   Fail: (221) [system] 'A'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x55772f068e50), 'A', _192618)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _228128)
   Call: (223) [system] peek_char((0x55772f068e50), _229062)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _228128=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (222) [user] classify_and_convert_charseq(['A'], _192618)
^  Call: (223) [user] classify_and_convert_charseq_(['A'], _238346)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_239298, _239300), once(user:catch(read_from_chars(['A'], _238346), _239280, fail)), '$restore_trace'(_239298, _239300))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_239298, _239300))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _238346), _239280, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_238346)
   Fail: (224) [system] atomic(_238346)
   Call: (224) [system] atom_chars(_238346, ['A'])
   Exit: (224) [system] atom_chars('A', ['A'])
^  Exit: (223) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (223) [system] integer('A')
   Fail: (223) [system] integer('A')
   Call: (223) [system] _192618='A'
   Exit: (223) [system] 'A'='A'
^  Exit: (222) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (221) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (220) [user] read_list(')', (0x55772f068e50), _253296)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _255154)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x55772f068e50), _264748)
   Exit: (222) [system] get_char((0x55772f068e50), ' ')
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _267452)
   Exit: (223) [system] peek_char((0x55772f068e50), 'B')
   Call: (223) [system] 'B'=(;)
   Fail: (223) [system] 'B'=(;)
   Call: (223) [system] 'B'=(/)
   Fail: (223) [system] 'B'=(/)
^  Call: (223) [user] is_like_space('B')
   Call: (224) [system] char_type('B', 'white')
   Fail: (224) [system] char_type('B', 'white')
   Call: (224) [system] char_type('B', end_of_line)
   Fail: (224) [system] char_type('B', end_of_line)
   Call: (224) [system] char_type('B', space)
   Fail: (224) [system] char_type('B', space)
   Call: (224) [system] char_type('B', cntrl)
   Fail: (224) [system] char_type('B', cntrl)
^  Fail: (223) [user] is_like_space('B')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _284386)
   Exit: (221) [system] peek_char((0x55772f068e50), 'B')
   Call: (221) [system] 'B'=')'
   Fail: (221) [system] 'B'=')'
   Call: (221) [system] 'B'=end_of_file
   Fail: (221) [system] 'B'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _289956)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _291814)
   Exit: (223) [system] peek_char((0x55772f068e50), 'B')
   Call: (223) [system] 'B'=(;)
   Fail: (223) [system] 'B'=(;)
   Call: (223) [system] 'B'=(/)
   Fail: (223) [system] 'B'=(/)
^  Call: (223) [user] is_like_space('B')
   Call: (224) [system] char_type('B', 'white')
   Fail: (224) [system] char_type('B', 'white')
   Call: (224) [system] char_type('B', end_of_line)
   Fail: (224) [system] char_type('B', end_of_line)
   Call: (224) [system] char_type('B', space)
   Fail: (224) [system] char_type('B', space)
   Call: (224) [system] char_type('B', cntrl)
   Fail: (224) [system] char_type('B', cntrl)
^  Fail: (223) [user] is_like_space('B')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _307824)
   Exit: (222) [system] get_char((0x55772f068e50), 'B')
   Call: (222) [system] 'B'='('
   Fail: (222) [system] 'B'='('
   Call: (222) [system] 'B'='['
   Fail: (222) [system] 'B'='['
   Call: (222) [system] 'B'='{'
   Fail: (222) [system] 'B'='{'
   Call: (222) [system] 'B'='"'
   Fail: (222) [system] 'B'='"'
   Call: (222) [system] 'B'=!
   Fail: (222) [system] 'B'=!
   Call: (222) [system] 'B'='\''
   Fail: (222) [system] 'B'='\''
   Call: (222) [system] 'B'='`'
   Fail: (222) [system] 'B'='`'
   Call: (222) [system] 'B'=end_of_file
   Fail: (222) [system] 'B'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x55772f068e50), 'B', _289956)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _325466)
   Call: (224) [system] peek_char((0x55772f068e50), _326400)
   Exit: (224) [system] peek_char((0x55772f068e50), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_331120, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _325466=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (223) [user] classify_and_convert_charseq(['B'], _289956)
^  Call: (224) [user] classify_and_convert_charseq_(['B'], _337556)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_338508, _338510), once(user:catch(read_from_chars(['B'], _337556), _338490, fail)), '$restore_trace'(_338508, _338510))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_338508, _338510))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _337556), _338490, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_337556)
   Fail: (225) [system] atomic(_337556)
   Call: (225) [system] atom_chars(_337556, ['B'])
   Exit: (225) [system] atom_chars('B', ['B'])
^  Exit: (224) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (224) [system] integer('B')
   Fail: (224) [system] integer('B')
   Call: (224) [system] _289956='B'
   Exit: (224) [system] 'B'='B'
^  Exit: (223) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (222) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (221) [user] read_list(')', (0x55772f068e50), _352506)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _354364)
   Exit: (223) [system] peek_char((0x55772f068e50), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
   Call: (223) [system] ')'=(/)
   Fail: (223) [system] ')'=(/)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _370374)
   Exit: (222) [system] peek_char((0x55772f068e50), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x55772f068e50), _374164)
   Exit: (222) [system] get_char((0x55772f068e50), ')')
   Call: (222) [system] _352506=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x55772f068e50), [])
   Call: (221) [system] _253296=['B']
   Exit: (221) [system] ['B']=['B']
^  Exit: (220) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (220) [system] _155958=['A', 'B']
   Exit: (220) [system] ['A', 'B']=['A', 'B']
^  Exit: (219) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (219) [system] _4912=['AndLink', 'A', 'B']
   Exit: (219) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (218) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (217) [user] read_list(')', (0x55772f068e50), _388046)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _389904)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x55772f068e50), _399498)
   Exit: (219) [system] get_char((0x55772f068e50), ' ')
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _402202)
   Exit: (220) [system] peek_char((0x55772f068e50), 'C')
   Call: (220) [system] 'C'=(;)
   Fail: (220) [system] 'C'=(;)
   Call: (220) [system] 'C'=(/)
   Fail: (220) [system] 'C'=(/)
^  Call: (220) [user] is_like_space('C')
   Call: (221) [system] char_type('C', 'white')
   Fail: (221) [system] char_type('C', 'white')
   Call: (221) [system] char_type('C', end_of_line)
   Fail: (221) [system] char_type('C', end_of_line)
   Call: (221) [system] char_type('C', space)
   Fail: (221) [system] char_type('C', space)
   Call: (221) [system] char_type('C', cntrl)
   Fail: (221) [system] char_type('C', cntrl)
^  Fail: (220) [user] is_like_space('C')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _419136)
   Exit: (218) [system] peek_char((0x55772f068e50), 'C')
   Call: (218) [system] 'C'=')'
   Fail: (218) [system] 'C'=')'
   Call: (218) [system] 'C'=end_of_file
   Fail: (218) [system] 'C'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _424706)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _426564)
   Exit: (220) [system] peek_char((0x55772f068e50), 'C')
   Call: (220) [system] 'C'=(;)
   Fail: (220) [system] 'C'=(;)
   Call: (220) [system] 'C'=(/)
   Fail: (220) [system] 'C'=(/)
^  Call: (220) [user] is_like_space('C')
   Call: (221) [system] char_type('C', 'white')
   Fail: (221) [system] char_type('C', 'white')
   Call: (221) [system] char_type('C', end_of_line)
   Fail: (221) [system] char_type('C', end_of_line)
   Call: (221) [system] char_type('C', space)
   Fail: (221) [system] char_type('C', space)
   Call: (221) [system] char_type('C', cntrl)
   Fail: (221) [system] char_type('C', cntrl)
^  Fail: (220) [user] is_like_space('C')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _442574)
   Exit: (219) [system] get_char((0x55772f068e50), 'C')
   Call: (219) [system] 'C'='('
   Fail: (219) [system] 'C'='('
   Call: (219) [system] 'C'='['
   Fail: (219) [system] 'C'='['
   Call: (219) [system] 'C'='{'
   Fail: (219) [system] 'C'='{'
   Call: (219) [system] 'C'='"'
   Fail: (219) [system] 'C'='"'
   Call: (219) [system] 'C'=!
   Fail: (219) [system] 'C'=!
   Call: (219) [system] 'C'='\''
   Fail: (219) [system] 'C'='\''
   Call: (219) [system] 'C'='`'
   Fail: (219) [system] 'C'='`'
   Call: (219) [system] 'C'=end_of_file
   Fail: (219) [system] 'C'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x55772f068e50), 'C', _424706)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _460216)
   Call: (221) [system] peek_char((0x55772f068e50), _461150)
   Exit: (221) [system] peek_char((0x55772f068e50), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_465870, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _460216=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (220) [user] classify_and_convert_charseq(['C'], _424706)
^  Call: (221) [user] classify_and_convert_charseq_(['C'], _472306)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_473258, _473260), once(user:catch(read_from_chars(['C'], _472306), _473240, fail)), '$restore_trace'(_473258, _473260))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_473258, _473260))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _472306), _473240, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_472306)
   Fail: (222) [system] atomic(_472306)
   Call: (222) [system] atom_chars(_472306, ['C'])
   Exit: (222) [system] atom_chars('C', ['C'])
^  Exit: (221) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (221) [system] integer('C')
   Fail: (221) [system] integer('C')
   Call: (221) [system] _424706='C'
   Exit: (221) [system] 'C'='C'
^  Exit: (220) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (219) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (218) [user] read_list(')', (0x55772f068e50), _487256)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _489114)
   Exit: (220) [system] peek_char((0x55772f068e50), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
   Call: (220) [system] ')'=(/)
   Fail: (220) [system] ')'=(/)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _505124)
   Exit: (219) [system] peek_char((0x55772f068e50), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x55772f068e50), _508914)
   Exit: (219) [system] get_char((0x55772f068e50), ')')
   Call: (219) [system] _487256=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x55772f068e50), [])
   Call: (218) [system] _388046=['C']
   Exit: (218) [system] ['C']=['C']
^  Exit: (217) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (217) [system] _4908=[['AndLink', 'A', 'B'], 'C']
   Exit: (217) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (216) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (216) [system] _4900=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (216) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (215) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (214) [user] read_list(')', (0x55772f068e50), _522796)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _524654)
   Exit: (216) [system] peek_char((0x55772f068e50), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _540664)
   Exit: (215) [system] peek_char((0x55772f068e50), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x55772f068e50), _544454)
   Exit: (215) [system] get_char((0x55772f068e50), ')')
   Call: (215) [system] _522796=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x55772f068e50), [])
   Call: (214) [system] _4896=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (214) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (213) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (213) [system] _4890=['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (213) [system] ['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (212) [user] read_list(')', (0x55772f068e50), ['B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (212) [system] _4882=['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (212) [system] ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (211) [user] read_list(')', (0x55772f068e50), ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (210) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (210) [user] read_list(')', (0x55772f068e50), _558336)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _560194)
   Exit: (212) [system] peek_char((0x55772f068e50), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _576204)
   Exit: (211) [system] peek_char((0x55772f068e50), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x55772f068e50), _579994)
   Exit: (211) [system] get_char((0x55772f068e50), ')')
   Call: (211) [system] _558336=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x55772f068e50), [])
   Call: (210) [system] _4878=[['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (210) [system] [['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (209) [user] read_list(')', (0x55772f068e50), [['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (209) [system] _4854=[['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (209) [system] [['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (208) [user] read_list(')', (0x55772f068e50), [['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (208) [system] _4846=[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (208) [system] [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (207) [user] read_list(')', (0x55772f068e50), [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (206) [user] cont_sexpr(')', (0x55772f068e50), [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (206) [user] read_list(')', (0x55772f068e50), _593876)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _595734)
   Exit: (208) [system] peek_char((0x55772f068e50), '\n')
   Call: (208) [system] '\n'=(;)
   Fail: (208) [system] '\n'=(;)
   Call: (208) [system] '\n'=(/)
   Fail: (208) [system] '\n'=(/)
^  Call: (208) [user] is_like_space('\n')
   Call: (209) [system] char_type('\n', 'white')
   Fail: (209) [system] char_type('\n', 'white')
   Call: (209) [system] char_type('\n', end_of_line)
   Exit: (209) [system] char_type('\n', end_of_line)
^  Exit: (208) [user] is_like_space('\n')
   Call: (208) [system] get_char((0x55772f068e50), _607184)
   Exit: (208) [system] get_char((0x55772f068e50), '\n')
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _609888)
   Exit: (209) [system] peek_char((0x55772f068e50), '\t')
   Call: (209) [system] '\t'=(;)
   Fail: (209) [system] '\t'=(;)
   Call: (209) [system] '\t'=(/)
   Fail: (209) [system] '\t'=(/)
^  Call: (209) [user] is_like_space('\t')
   Call: (210) [system] char_type('\t', 'white')
   Exit: (210) [system] char_type('\t', 'white')
^  Exit: (209) [user] is_like_space('\t')
   Call: (209) [system] get_char((0x55772f068e50), _619482)
   Exit: (209) [system] get_char((0x55772f068e50), '\t')
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _622186)
   Exit: (210) [system] peek_char((0x55772f068e50), '\t')
   Call: (210) [system] '\t'=(;)
   Fail: (210) [system] '\t'=(;)
   Call: (210) [system] '\t'=(/)
   Fail: (210) [system] '\t'=(/)
^  Call: (210) [user] is_like_space('\t')
   Call: (211) [system] char_type('\t', 'white')
   Exit: (211) [system] char_type('\t', 'white')
^  Exit: (210) [user] is_like_space('\t')
   Call: (210) [system] get_char((0x55772f068e50), _631780)
   Exit: (210) [system] get_char((0x55772f068e50), '\t')
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _634484)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x55772f068e50), _644078)
   Exit: (211) [system] get_char((0x55772f068e50), ' ')
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _646782)
   Exit: (212) [system] peek_char((0x55772f068e50), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _666488)
   Exit: (207) [system] peek_char((0x55772f068e50), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x55772f068e50), _672058)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _673916)
   Exit: (209) [system] peek_char((0x55772f068e50), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] get_char((0x55772f068e50), _689926)
   Exit: (208) [system] get_char((0x55772f068e50), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x55772f068e50), _672058)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _695496)
   Exit: (210) [system] peek_char((0x55772f068e50), :)
   Call: (210) [system] (:)=(;)
   Fail: (210) [system] (:)=(;)
   Call: (210) [system] (:)=(/)
   Fail: (210) [system] (:)=(/)
^  Call: (210) [user] is_like_space(:)
   Call: (211) [system] char_type(:, 'white')
   Fail: (211) [system] char_type(:, 'white')
   Call: (211) [system] char_type(:, end_of_line)
   Fail: (211) [system] char_type(:, end_of_line)
   Call: (211) [system] char_type(:, space)
   Fail: (211) [system] char_type(:, space)
   Call: (211) [system] char_type(:, cntrl)
   Fail: (211) [system] char_type(:, cntrl)
^  Fail: (210) [user] is_like_space(:)
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _711506)
   Exit: (209) [system] peek_char((0x55772f068e50), :)
   Call: (209) [system] (:)=')'
   Fail: (209) [system] (:)=')'
   Call: (209) [system] (:)=end_of_file
   Fail: (209) [system] (:)=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x55772f068e50), _717076)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _718934)
   Exit: (211) [system] peek_char((0x55772f068e50), :)
   Call: (211) [system] (:)=(;)
   Fail: (211) [system] (:)=(;)
   Call: (211) [system] (:)=(/)
   Fail: (211) [system] (:)=(/)
^  Call: (211) [user] is_like_space(:)
   Call: (212) [system] char_type(:, 'white')
   Fail: (212) [system] char_type(:, 'white')
   Call: (212) [system] char_type(:, end_of_line)
   Fail: (212) [system] char_type(:, end_of_line)
   Call: (212) [system] char_type(:, space)
   Fail: (212) [system] char_type(:, space)
   Call: (212) [system] char_type(:, cntrl)
   Fail: (212) [system] char_type(:, cntrl)
^  Fail: (211) [user] is_like_space(:)
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] get_char((0x55772f068e50), _734944)
   Exit: (210) [system] get_char((0x55772f068e50), :)
   Call: (210) [system] (:)='('
   Fail: (210) [system] (:)='('
   Call: (210) [system] (:)='['
   Fail: (210) [system] (:)='['
   Call: (210) [system] (:)='{'
   Fail: (210) [system] (:)='{'
   Call: (210) [system] (:)='"'
   Fail: (210) [system] (:)='"'
   Call: (210) [system] (:)=!
   Fail: (210) [system] (:)=!
   Call: (210) [system] (:)='\''
   Fail: (210) [system] (:)='\''
   Call: (210) [system] (:)='`'
   Fail: (210) [system] (:)='`'
   Call: (210) [system] (:)=end_of_file
   Fail: (210) [system] (:)=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x55772f068e50), :, _717076)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _752586)
   Call: (212) [system] peek_char((0x55772f068e50), _753520)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _752586=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (211) [user] classify_and_convert_charseq([:], _717076)
^  Call: (212) [user] classify_and_convert_charseq_([:], _762804)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_763756, _763758), once(user:catch(read_from_chars([:], _762804), _763738, fail)), '$restore_trace'(_763756, _763758))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_763756, _763758))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _763738, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(:)
   Exit: (213) [system] atomic(:)
^  Exit: (212) [user] classify_and_convert_charseq_([:], :)
   Call: (212) [system] integer(:)
   Fail: (212) [system] integer(:)
   Call: (212) [system] _717076=(:)
   Exit: (212) [system] (:)=(:)
^  Exit: (211) [user] classify_and_convert_charseq([:], :)
^  Exit: (210) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (209) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (209) [user] read_list(')', (0x55772f068e50), _775884)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _777742)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x55772f068e50), _787336)
   Exit: (211) [system] get_char((0x55772f068e50), ' ')
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _790040)
   Exit: (212) [system] peek_char((0x55772f068e50), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _806974)
   Exit: (210) [system] peek_char((0x55772f068e50), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x55772f068e50), _812544)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _814402)
   Exit: (212) [system] peek_char((0x55772f068e50), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] get_char((0x55772f068e50), _830412)
   Exit: (211) [system] get_char((0x55772f068e50), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x55772f068e50), _812544)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _835982)
   Exit: (213) [system] peek_char((0x55772f068e50), 'C')
   Call: (213) [system] 'C'=(;)
   Fail: (213) [system] 'C'=(;)
   Call: (213) [system] 'C'=(/)
   Fail: (213) [system] 'C'=(/)
^  Call: (213) [user] is_like_space('C')
   Call: (214) [system] char_type('C', 'white')
   Fail: (214) [system] char_type('C', 'white')
   Call: (214) [system] char_type('C', end_of_line)
   Fail: (214) [system] char_type('C', end_of_line)
   Call: (214) [system] char_type('C', space)
   Fail: (214) [system] char_type('C', space)
   Call: (214) [system] char_type('C', cntrl)
   Fail: (214) [system] char_type('C', cntrl)
^  Fail: (213) [user] is_like_space('C')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _851992)
   Exit: (212) [system] peek_char((0x55772f068e50), 'C')
   Call: (212) [system] 'C'=')'
   Fail: (212) [system] 'C'=')'
   Call: (212) [system] 'C'=end_of_file
   Fail: (212) [system] 'C'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x55772f068e50), _857562)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _859420)
   Exit: (214) [system] peek_char((0x55772f068e50), 'C')
   Call: (214) [system] 'C'=(;)
   Fail: (214) [system] 'C'=(;)
   Call: (214) [system] 'C'=(/)
   Fail: (214) [system] 'C'=(/)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Fail: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Fail: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Fail: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
   Fail: (215) [system] char_type('C', cntrl)
^  Fail: (214) [user] is_like_space('C')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] get_char((0x55772f068e50), _875430)
   Exit: (213) [system] get_char((0x55772f068e50), 'C')
   Call: (213) [system] 'C'='('
   Fail: (213) [system] 'C'='('
   Call: (213) [system] 'C'='['
   Fail: (213) [system] 'C'='['
   Call: (213) [system] 'C'='{'
   Fail: (213) [system] 'C'='{'
   Call: (213) [system] 'C'='"'
   Fail: (213) [system] 'C'='"'
   Call: (213) [system] 'C'=!
   Fail: (213) [system] 'C'=!
   Call: (213) [system] 'C'='\''
   Fail: (213) [system] 'C'='\''
   Call: (213) [system] 'C'='`'
   Fail: (213) [system] 'C'='`'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x55772f068e50), 'C', _857562)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _893072)
   Call: (215) [system] peek_char((0x55772f068e50), _894006)
   Exit: (215) [system] peek_char((0x55772f068e50), o)
^  Call: (215) [user] is_delimiter(o)
   Call: (216) [system] char_type(o, space)
   Fail: (216) [system] char_type(o, space)
   Call: (216) [system] arg(_898726, v('(', ')', end_of_file), o)
   Fail: (216) [system] arg(_899658, v('(', ')', end_of_file), o)
^  Fail: (215) [user] is_delimiter(o)
   Call: (215) [system] ')'==o
   Fail: (215) [system] ')'==o
   Call: (215) [system] get_char((0x55772f068e50), o)
   Exit: (215) [system] get_char((0x55772f068e50), o)
   Call: (215) [system] o=(\)
   Fail: (215) [system] o=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _907008)
   Call: (216) [system] peek_char((0x55772f068e50), _907942)
   Exit: (216) [system] peek_char((0x55772f068e50), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_912662, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_913594, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x55772f068e50), n)
   Exit: (216) [system] get_char((0x55772f068e50), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _920944)
   Call: (217) [system] peek_char((0x55772f068e50), _921878)
   Exit: (217) [system] peek_char((0x55772f068e50), j)
^  Call: (217) [user] is_delimiter(j)
   Call: (218) [system] char_type(j, space)
   Fail: (218) [system] char_type(j, space)
   Call: (218) [system] arg(_926598, v('(', ')', end_of_file), j)
   Fail: (218) [system] arg(_927530, v('(', ')', end_of_file), j)
^  Fail: (217) [user] is_delimiter(j)
   Call: (217) [system] ')'==j
   Fail: (217) [system] ')'==j
   Call: (217) [system] get_char((0x55772f068e50), j)
   Exit: (217) [system] get_char((0x55772f068e50), j)
   Call: (217) [system] j=(\)
   Fail: (217) [system] j=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _934880)
   Call: (218) [system] peek_char((0x55772f068e50), _935814)
   Exit: (218) [system] peek_char((0x55772f068e50), u)
^  Call: (218) [user] is_delimiter(u)
   Call: (219) [system] char_type(u, space)
   Fail: (219) [system] char_type(u, space)
   Call: (219) [system] arg(_940534, v('(', ')', end_of_file), u)
   Fail: (219) [system] arg(_941466, v('(', ')', end_of_file), u)
^  Fail: (218) [user] is_delimiter(u)
   Call: (218) [system] ')'==u
   Fail: (218) [system] ')'==u
   Call: (218) [system] get_char((0x55772f068e50), u)
   Exit: (218) [system] get_char((0x55772f068e50), u)
   Call: (218) [system] u=(\)
   Fail: (218) [system] u=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _948816)
   Call: (219) [system] peek_char((0x55772f068e50), _949750)
   Exit: (219) [system] peek_char((0x55772f068e50), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_954470, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_955402, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x55772f068e50), n)
   Exit: (219) [system] get_char((0x55772f068e50), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _962752)
   Call: (220) [system] peek_char((0x55772f068e50), _963686)
   Exit: (220) [system] peek_char((0x55772f068e50), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_968406, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_969338, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x55772f068e50), c)
   Exit: (220) [system] get_char((0x55772f068e50), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _976688)
   Call: (221) [system] peek_char((0x55772f068e50), _977622)
   Exit: (221) [system] peek_char((0x55772f068e50), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_982342, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_983274, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x55772f068e50), t)
   Exit: (221) [system] get_char((0x55772f068e50), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _990624)
   Call: (222) [system] peek_char((0x55772f068e50), _991558)
   Exit: (222) [system] peek_char((0x55772f068e50), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_996278, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_997210, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x55772f068e50), i)
   Exit: (222) [system] get_char((0x55772f068e50), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1004560)
   Call: (223) [system] peek_char((0x55772f068e50), _1005494)
   Exit: (223) [system] peek_char((0x55772f068e50), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_1010214, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_1011146, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x55772f068e50), o)
   Exit: (223) [system] get_char((0x55772f068e50), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1018496)
   Call: (224) [system] peek_char((0x55772f068e50), _1019430)
   Exit: (224) [system] peek_char((0x55772f068e50), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1024150, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1025082, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x55772f068e50), n)
   Exit: (224) [system] get_char((0x55772f068e50), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1032432)
   Call: (225) [system] peek_char((0x55772f068e50), _1033366)
   Exit: (225) [system] peek_char((0x55772f068e50), 'I')
^  Call: (225) [user] is_delimiter('I')
   Call: (226) [system] char_type('I', space)
   Fail: (226) [system] char_type('I', space)
   Call: (226) [system] arg(_1038086, v('(', ')', end_of_file), 'I')
   Fail: (226) [system] arg(_1039018, v('(', ')', end_of_file), 'I')
^  Fail: (225) [user] is_delimiter('I')
   Call: (225) [system] ')'=='I'
   Fail: (225) [system] ')'=='I'
   Call: (225) [system] get_char((0x55772f068e50), 'I')
   Exit: (225) [system] get_char((0x55772f068e50), 'I')
   Call: (225) [system] 'I'=(\)
   Fail: (225) [system] 'I'=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1046368)
   Call: (226) [system] peek_char((0x55772f068e50), _1047302)
   Exit: (226) [system] peek_char((0x55772f068e50), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1052022, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1052954, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x55772f068e50), n)
   Exit: (226) [system] get_char((0x55772f068e50), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1060304)
   Call: (227) [system] peek_char((0x55772f068e50), _1061238)
   Exit: (227) [system] peek_char((0x55772f068e50), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_1065958, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_1066890, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x55772f068e50), t)
   Exit: (227) [system] get_char((0x55772f068e50), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1074240)
   Call: (228) [system] peek_char((0x55772f068e50), _1075174)
   Exit: (228) [system] peek_char((0x55772f068e50), r)
^  Call: (228) [user] is_delimiter(r)
   Call: (229) [system] char_type(r, space)
   Fail: (229) [system] char_type(r, space)
   Call: (229) [system] arg(_1079894, v('(', ')', end_of_file), r)
   Fail: (229) [system] arg(_1080826, v('(', ')', end_of_file), r)
^  Fail: (228) [user] is_delimiter(r)
   Call: (228) [system] ')'==r
   Fail: (228) [system] ')'==r
   Call: (228) [system] get_char((0x55772f068e50), r)
   Exit: (228) [system] get_char((0x55772f068e50), r)
   Call: (228) [system] r=(\)
   Fail: (228) [system] r=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1088176)
   Call: (229) [system] peek_char((0x55772f068e50), _1089110)
   Exit: (229) [system] peek_char((0x55772f068e50), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_1093830, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_1094762, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x55772f068e50), o)
   Exit: (229) [system] get_char((0x55772f068e50), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1102112)
   Call: (230) [system] peek_char((0x55772f068e50), _1103046)
   Exit: (230) [system] peek_char((0x55772f068e50), d)
^  Call: (230) [user] is_delimiter(d)
   Call: (231) [system] char_type(d, space)
   Fail: (231) [system] char_type(d, space)
   Call: (231) [system] arg(_1107766, v('(', ')', end_of_file), d)
   Fail: (231) [system] arg(_1108698, v('(', ')', end_of_file), d)
^  Fail: (230) [user] is_delimiter(d)
   Call: (230) [system] ')'==d
   Fail: (230) [system] ')'==d
   Call: (230) [system] get_char((0x55772f068e50), d)
   Exit: (230) [system] get_char((0x55772f068e50), d)
   Call: (230) [system] d=(\)
   Fail: (230) [system] d=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1116048)
   Call: (231) [system] peek_char((0x55772f068e50), _1116982)
   Exit: (231) [system] peek_char((0x55772f068e50), u)
^  Call: (231) [user] is_delimiter(u)
   Call: (232) [system] char_type(u, space)
   Fail: (232) [system] char_type(u, space)
   Call: (232) [system] arg(_1121702, v('(', ')', end_of_file), u)
   Fail: (232) [system] arg(_1122634, v('(', ')', end_of_file), u)
^  Fail: (231) [user] is_delimiter(u)
   Call: (231) [system] ')'==u
   Fail: (231) [system] ')'==u
   Call: (231) [system] get_char((0x55772f068e50), u)
   Exit: (231) [system] get_char((0x55772f068e50), u)
   Call: (231) [system] u=(\)
   Fail: (231) [system] u=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1129984)
   Call: (232) [system] peek_char((0x55772f068e50), _1130918)
   Exit: (232) [system] peek_char((0x55772f068e50), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Fail: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_1135638, v('(', ')', end_of_file), c)
   Fail: (233) [system] arg(_1136570, v('(', ')', end_of_file), c)
^  Fail: (232) [user] is_delimiter(c)
   Call: (232) [system] ')'==c
   Fail: (232) [system] ')'==c
   Call: (232) [system] get_char((0x55772f068e50), c)
   Exit: (232) [system] get_char((0x55772f068e50), c)
   Call: (232) [system] c=(\)
   Fail: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1143920)
   Call: (233) [system] peek_char((0x55772f068e50), _1144854)
   Exit: (233) [system] peek_char((0x55772f068e50), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Fail: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_1149574, v('(', ')', end_of_file), t)
   Fail: (234) [system] arg(_1150506, v('(', ')', end_of_file), t)
^  Fail: (233) [user] is_delimiter(t)
   Call: (233) [system] ')'==t
   Fail: (233) [system] ')'==t
   Call: (233) [system] get_char((0x55772f068e50), t)
   Exit: (233) [system] get_char((0x55772f068e50), t)
   Call: (233) [system] t=(\)
   Fail: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1157856)
   Call: (234) [system] peek_char((0x55772f068e50), _1158790)
   Exit: (234) [system] peek_char((0x55772f068e50), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_1163510, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_1164442, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x55772f068e50), i)
   Exit: (234) [system] get_char((0x55772f068e50), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1171792)
   Call: (235) [system] peek_char((0x55772f068e50), _1172726)
   Exit: (235) [system] peek_char((0x55772f068e50), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Fail: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_1177446, v('(', ')', end_of_file), o)
   Fail: (236) [system] arg(_1178378, v('(', ')', end_of_file), o)
^  Fail: (235) [user] is_delimiter(o)
   Call: (235) [system] ')'==o
   Fail: (235) [system] ')'==o
   Call: (235) [system] get_char((0x55772f068e50), o)
   Exit: (235) [system] get_char((0x55772f068e50), o)
   Call: (235) [system] o=(\)
   Fail: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1185728)
   Call: (236) [system] peek_char((0x55772f068e50), _1186662)
   Exit: (236) [system] peek_char((0x55772f068e50), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1191382, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_1192314, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x55772f068e50), n)
   Exit: (236) [system] get_char((0x55772f068e50), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1199664)
   Call: (237) [system] peek_char((0x55772f068e50), _1200598)
   Exit: (237) [system] peek_char((0x55772f068e50), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _1199664=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (236) [system] _1185728=[n]
   Exit: (236) [system] [n]=[n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (235) [system] _1171792=[o, n]
   Exit: (235) [system] [o, n]=[o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (234) [system] _1157856=[i, o, n]
   Exit: (234) [system] [i, o, n]=[i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (233) [system] _1143920=[t, i, o, n]
   Exit: (233) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (232) [system] _1129984=[c, t, i, o, n]
   Exit: (232) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (231) [system] _1116048=[u, c, t, i, o, n]
   Exit: (231) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (230) [system] _1102112=[d, u, c, t, i, o, n]
   Exit: (230) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (229) [system] _1088176=[o, d, u, c, t, i, o, n]
   Exit: (229) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (228) [system] _1074240=[r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1060304=[t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1046368=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1032432=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1018496=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1004560=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _990624=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _976688=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _962752=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _948816=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _934880=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _920944=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _907008=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _893072=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (214) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _857562)
^  Call: (215) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1271350)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1272302, _1272304), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1271350), _1272284, fail)), '$restore_trace'(_1272302, _1272304))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1272302, _1272304))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1271350), _1272284, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1271350)
   Fail: (216) [system] atomic(_1271350)
   Call: (216) [system] atom_chars(_1271350, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (216) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (215) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (215) [system] integer('ConjunctionIntroduction')
   Fail: (215) [system] integer('ConjunctionIntroduction')
   Call: (215) [system] _857562='ConjunctionIntroduction'
   Exit: (215) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (214) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (213) [user] read_symbolic(')', (0x55772f068e50), 'C', 'ConjunctionIntroduction')
^  Exit: (212) [user] cont_sexpr(')', (0x55772f068e50), 'ConjunctionIntroduction')
^  Call: (212) [user] read_list(')', (0x55772f068e50), _1286300)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1288158)
   Exit: (214) [system] peek_char((0x55772f068e50), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x55772f068e50), _1297752)
   Exit: (214) [system] get_char((0x55772f068e50), ' ')
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1300456)
   Exit: (215) [system] peek_char((0x55772f068e50), a)
   Call: (215) [system] a=(;)
   Fail: (215) [system] a=(;)
   Call: (215) [system] a=(/)
   Fail: (215) [system] a=(/)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Fail: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Fail: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
   Fail: (216) [system] char_type(a, cntrl)
^  Fail: (215) [user] is_like_space(a)
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1317390)
   Exit: (213) [system] peek_char((0x55772f068e50), a)
   Call: (213) [system] a=')'
   Fail: (213) [system] a=')'
   Call: (213) [system] a=end_of_file
   Fail: (213) [system] a=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _1322960)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1324818)
   Exit: (215) [system] peek_char((0x55772f068e50), a)
   Call: (215) [system] a=(;)
   Fail: (215) [system] a=(;)
   Call: (215) [system] a=(/)
   Fail: (215) [system] a=(/)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Fail: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Fail: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
   Fail: (216) [system] char_type(a, cntrl)
^  Fail: (215) [user] is_like_space(a)
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _1340828)
   Exit: (214) [system] get_char((0x55772f068e50), a)
   Call: (214) [system] a='('
   Fail: (214) [system] a='('
   Call: (214) [system] a='['
   Fail: (214) [system] a='['
   Call: (214) [system] a='{'
   Fail: (214) [system] a='{'
   Call: (214) [system] a='"'
   Fail: (214) [system] a='"'
   Call: (214) [system] a=!
   Fail: (214) [system] a=!
   Call: (214) [system] a='\''
   Fail: (214) [system] a='\''
   Call: (214) [system] a='`'
   Fail: (214) [system] a='`'
   Call: (214) [system] a=end_of_file
   Fail: (214) [system] a=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x55772f068e50), a, _1322960)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1358470)
   Call: (216) [system] peek_char((0x55772f068e50), _1359404)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1358470=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (215) [user] classify_and_convert_charseq([a], _1322960)
^  Call: (216) [user] classify_and_convert_charseq_([a], _1368688)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1369640, _1369642), once(user:catch(read_from_chars([a], _1368688), _1369622, fail)), '$restore_trace'(_1369640, _1369642))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1369640, _1369642))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1369622, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(a)
   Exit: (217) [system] atomic(a)
^  Exit: (216) [user] classify_and_convert_charseq_([a], a)
   Call: (216) [system] integer(a)
   Fail: (216) [system] integer(a)
   Call: (216) [system] _1322960=a
   Exit: (216) [system] a=a
^  Exit: (215) [user] classify_and_convert_charseq([a], a)
^  Exit: (214) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (213) [user] read_list(')', (0x55772f068e50), _1381768)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1383626)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x55772f068e50), _1393220)
   Exit: (215) [system] get_char((0x55772f068e50), ' ')
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1395924)
   Exit: (216) [system] peek_char((0x55772f068e50), c)
   Call: (216) [system] c=(;)
   Fail: (216) [system] c=(;)
   Call: (216) [system] c=(/)
   Fail: (216) [system] c=(/)
^  Call: (216) [user] is_like_space(c)
   Call: (217) [system] char_type(c, 'white')
   Fail: (217) [system] char_type(c, 'white')
   Call: (217) [system] char_type(c, end_of_line)
   Fail: (217) [system] char_type(c, end_of_line)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] char_type(c, cntrl)
   Fail: (217) [system] char_type(c, cntrl)
^  Fail: (216) [user] is_like_space(c)
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1412858)
   Exit: (214) [system] peek_char((0x55772f068e50), c)
   Call: (214) [system] c=')'
   Fail: (214) [system] c=')'
   Call: (214) [system] c=end_of_file
   Fail: (214) [system] c=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _1418428)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1420286)
   Exit: (216) [system] peek_char((0x55772f068e50), c)
   Call: (216) [system] c=(;)
   Fail: (216) [system] c=(;)
   Call: (216) [system] c=(/)
   Fail: (216) [system] c=(/)
^  Call: (216) [user] is_like_space(c)
   Call: (217) [system] char_type(c, 'white')
   Fail: (217) [system] char_type(c, 'white')
   Call: (217) [system] char_type(c, end_of_line)
   Fail: (217) [system] char_type(c, end_of_line)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] char_type(c, cntrl)
   Fail: (217) [system] char_type(c, cntrl)
^  Fail: (216) [user] is_like_space(c)
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _1436296)
   Exit: (215) [system] get_char((0x55772f068e50), c)
   Call: (215) [system] c='('
   Fail: (215) [system] c='('
   Call: (215) [system] c='['
   Fail: (215) [system] c='['
   Call: (215) [system] c='{'
   Fail: (215) [system] c='{'
   Call: (215) [system] c='"'
   Fail: (215) [system] c='"'
   Call: (215) [system] c=!
   Fail: (215) [system] c=!
   Call: (215) [system] c='\''
   Fail: (215) [system] c='\''
   Call: (215) [system] c='`'
   Fail: (215) [system] c='`'
   Call: (215) [system] c=end_of_file
   Fail: (215) [system] c=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x55772f068e50), c, _1418428)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1453938)
   Call: (217) [system] peek_char((0x55772f068e50), _1454872)
   Exit: (217) [system] peek_char((0x55772f068e50), d)
^  Call: (217) [user] is_delimiter(d)
   Call: (218) [system] char_type(d, space)
   Fail: (218) [system] char_type(d, space)
   Call: (218) [system] arg(_1459592, v('(', ')', end_of_file), d)
   Fail: (218) [system] arg(_1460524, v('(', ')', end_of_file), d)
^  Fail: (217) [user] is_delimiter(d)
   Call: (217) [system] ')'==d
   Fail: (217) [system] ')'==d
   Call: (217) [system] get_char((0x55772f068e50), d)
   Exit: (217) [system] get_char((0x55772f068e50), d)
   Call: (217) [system] d=(\)
   Fail: (217) [system] d=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1467874)
   Call: (218) [system] peek_char((0x55772f068e50), _1468808)
   Exit: (218) [system] peek_char((0x55772f068e50), e)
^  Call: (218) [user] is_delimiter(e)
   Call: (219) [system] char_type(e, space)
   Fail: (219) [system] char_type(e, space)
   Call: (219) [system] arg(_1473528, v('(', ')', end_of_file), e)
   Fail: (219) [system] arg(_1474460, v('(', ')', end_of_file), e)
^  Fail: (218) [user] is_delimiter(e)
   Call: (218) [system] ')'==e
   Fail: (218) [system] ')'==e
   Call: (218) [system] get_char((0x55772f068e50), e)
   Exit: (218) [system] get_char((0x55772f068e50), e)
   Call: (218) [system] e=(\)
   Fail: (218) [system] e=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1481810)
   Call: (219) [system] peek_char((0x55772f068e50), _1482744)
   Exit: (219) [system] peek_char((0x55772f068e50), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_1487464, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _1481810=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (218) [system] _1467874=[e]
   Exit: (218) [system] [e]=[e]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (217) [system] _1453938=[d, e]
   Exit: (217) [system] [d, e]=[d, e]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [d, e])
^  Call: (216) [user] classify_and_convert_charseq([c, d, e], _1418428)
^  Call: (217) [user] classify_and_convert_charseq_([c, d, e], _1499488)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1500440, _1500442), once(user:catch(read_from_chars([c, d, e], _1499488), _1500422, fail)), '$restore_trace'(_1500440, _1500442))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1500440, _1500442))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1500422, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(cde)
   Exit: (218) [system] atomic(cde)
^  Exit: (217) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (217) [system] integer(cde)
   Fail: (217) [system] integer(cde)
   Call: (217) [system] _1418428=cde
   Exit: (217) [system] cde=cde
^  Exit: (216) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (215) [user] read_symbolic(')', (0x55772f068e50), c, cde)
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), cde)
^  Call: (214) [user] read_list(')', (0x55772f068e50), _1512568)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1514426)
   Exit: (216) [system] peek_char((0x55772f068e50), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1530436)
   Exit: (215) [system] peek_char((0x55772f068e50), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x55772f068e50), _1534226)
   Exit: (215) [system] get_char((0x55772f068e50), ')')
   Call: (215) [system] _1512568=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x55772f068e50), [])
   Call: (214) [system] _1381768=[cde]
   Exit: (214) [system] [cde]=[cde]
^  Exit: (213) [user] read_list(')', (0x55772f068e50), [cde])
   Call: (213) [system] _1286300=[a, cde]
   Exit: (213) [system] [a, cde]=[a, cde]
^  Exit: (212) [user] read_list(')', (0x55772f068e50), [a, cde])
   Call: (212) [system] _812544=['ConjunctionIntroduction', a, cde]
   Exit: (212) [system] ['ConjunctionIntroduction', a, cde]=['ConjunctionIntroduction', a, cde]
^  Exit: (211) [user] read_list(')', (0x55772f068e50), ['ConjunctionIntroduction', a, cde])
^  Exit: (210) [user] cont_sexpr(')', (0x55772f068e50), ['ConjunctionIntroduction', a, cde])
^  Call: (210) [user] read_list(')', (0x55772f068e50), _1548108)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1549966)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x55772f068e50), _1559560)
   Exit: (212) [system] get_char((0x55772f068e50), ' ')
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1562264)
   Exit: (213) [system] peek_char((0x55772f068e50), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1579198)
   Exit: (211) [system] peek_char((0x55772f068e50), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x55772f068e50), _1584768)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1586626)
   Exit: (213) [system] peek_char((0x55772f068e50), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] get_char((0x55772f068e50), _1602636)
   Exit: (212) [system] get_char((0x55772f068e50), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x55772f068e50), _1584768)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1608206)
   Exit: (214) [system] peek_char((0x55772f068e50), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
   Call: (214) [system] 'A'=(/)
   Fail: (214) [system] 'A'=(/)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1624216)
   Exit: (213) [system] peek_char((0x55772f068e50), 'A')
   Call: (213) [system] 'A'=')'
   Fail: (213) [system] 'A'=')'
   Call: (213) [system] 'A'=end_of_file
   Fail: (213) [system] 'A'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _1629786)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1631644)
   Exit: (215) [system] peek_char((0x55772f068e50), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
   Call: (215) [system] 'A'=(/)
   Fail: (215) [system] 'A'=(/)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _1647654)
   Exit: (214) [system] get_char((0x55772f068e50), 'A')
   Call: (214) [system] 'A'='('
   Fail: (214) [system] 'A'='('
   Call: (214) [system] 'A'='['
   Fail: (214) [system] 'A'='['
   Call: (214) [system] 'A'='{'
   Fail: (214) [system] 'A'='{'
   Call: (214) [system] 'A'='"'
   Fail: (214) [system] 'A'='"'
   Call: (214) [system] 'A'=!
   Fail: (214) [system] 'A'=!
   Call: (214) [system] 'A'='\''
   Fail: (214) [system] 'A'='\''
   Call: (214) [system] 'A'='`'
   Fail: (214) [system] 'A'='`'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x55772f068e50), 'A', _1629786)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1665296)
   Call: (216) [system] peek_char((0x55772f068e50), _1666230)
   Exit: (216) [system] peek_char((0x55772f068e50), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1670950, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_1671882, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x55772f068e50), n)
   Exit: (216) [system] get_char((0x55772f068e50), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1679232)
   Call: (217) [system] peek_char((0x55772f068e50), _1680166)
   Exit: (217) [system] peek_char((0x55772f068e50), d)
^  Call: (217) [user] is_delimiter(d)
   Call: (218) [system] char_type(d, space)
   Fail: (218) [system] char_type(d, space)
   Call: (218) [system] arg(_1684886, v('(', ')', end_of_file), d)
   Fail: (218) [system] arg(_1685818, v('(', ')', end_of_file), d)
^  Fail: (217) [user] is_delimiter(d)
   Call: (217) [system] ')'==d
   Fail: (217) [system] ')'==d
   Call: (217) [system] get_char((0x55772f068e50), d)
   Exit: (217) [system] get_char((0x55772f068e50), d)
   Call: (217) [system] d=(\)
   Fail: (217) [system] d=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1693168)
   Call: (218) [system] peek_char((0x55772f068e50), _1694102)
   Exit: (218) [system] peek_char((0x55772f068e50), 'L')
^  Call: (218) [user] is_delimiter('L')
   Call: (219) [system] char_type('L', space)
   Fail: (219) [system] char_type('L', space)
   Call: (219) [system] arg(_1698822, v('(', ')', end_of_file), 'L')
   Fail: (219) [system] arg(_1699754, v('(', ')', end_of_file), 'L')
^  Fail: (218) [user] is_delimiter('L')
   Call: (218) [system] ')'=='L'
   Fail: (218) [system] ')'=='L'
   Call: (218) [system] get_char((0x55772f068e50), 'L')
   Exit: (218) [system] get_char((0x55772f068e50), 'L')
   Call: (218) [system] 'L'=(\)
   Fail: (218) [system] 'L'=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1707104)
   Call: (219) [system] peek_char((0x55772f068e50), _1708038)
   Exit: (219) [system] peek_char((0x55772f068e50), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_1712758, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_1713690, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x55772f068e50), i)
   Exit: (219) [system] get_char((0x55772f068e50), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1721040)
   Call: (220) [system] peek_char((0x55772f068e50), _1721974)
   Exit: (220) [system] peek_char((0x55772f068e50), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1726694, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1727626, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x55772f068e50), n)
   Exit: (220) [system] get_char((0x55772f068e50), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1734976)
   Call: (221) [system] peek_char((0x55772f068e50), _1735910)
   Exit: (221) [system] peek_char((0x55772f068e50), k)
^  Call: (221) [user] is_delimiter(k)
   Call: (222) [system] char_type(k, space)
   Fail: (222) [system] char_type(k, space)
   Call: (222) [system] arg(_1740630, v('(', ')', end_of_file), k)
   Fail: (222) [system] arg(_1741562, v('(', ')', end_of_file), k)
^  Fail: (221) [user] is_delimiter(k)
   Call: (221) [system] ')'==k
   Fail: (221) [system] ')'==k
   Call: (221) [system] get_char((0x55772f068e50), k)
   Exit: (221) [system] get_char((0x55772f068e50), k)
   Call: (221) [system] k=(\)
   Fail: (221) [system] k=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1748912)
   Call: (222) [system] peek_char((0x55772f068e50), _1749846)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _1748912=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (221) [system] _1734976=[k]
   Exit: (221) [system] [k]=[k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (220) [system] _1721040=[n, k]
   Exit: (220) [system] [n, k]=[n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (219) [system] _1707104=[i, n, k]
   Exit: (219) [system] [i, n, k]=[i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (218) [system] _1693168=['L', i, n, k]
   Exit: (218) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (217) [system] _1679232=[d, 'L', i, n, k]
   Exit: (217) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (216) [system] _1665296=[n, d, 'L', i, n, k]
   Exit: (216) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (215) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1629786)
^  Call: (216) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1775894)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1776846, _1776848), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1775894), _1776828, fail)), '$restore_trace'(_1776846, _1776848))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1776846, _1776848))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1775894), _1776828, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1775894)
   Fail: (217) [system] atomic(_1775894)
   Call: (217) [system] atom_chars(_1775894, ['A', n, d, 'L', i, n, k])
   Exit: (217) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (216) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (216) [system] integer('AndLink')
   Fail: (216) [system] integer('AndLink')
   Call: (216) [system] _1629786='AndLink'
   Exit: (216) [system] 'AndLink'='AndLink'
^  Exit: (215) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (214) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (213) [user] read_list(')', (0x55772f068e50), _1790844)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1792702)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x55772f068e50), _1802296)
   Exit: (215) [system] get_char((0x55772f068e50), ' ')
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1805000)
   Exit: (216) [system] peek_char((0x55772f068e50), 'B')
   Call: (216) [system] 'B'=(;)
   Fail: (216) [system] 'B'=(;)
   Call: (216) [system] 'B'=(/)
   Fail: (216) [system] 'B'=(/)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Fail: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Fail: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Fail: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
   Fail: (217) [system] char_type('B', cntrl)
^  Fail: (216) [user] is_like_space('B')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1821934)
   Exit: (214) [system] peek_char((0x55772f068e50), 'B')
   Call: (214) [system] 'B'=')'
   Fail: (214) [system] 'B'=')'
   Call: (214) [system] 'B'=end_of_file
   Fail: (214) [system] 'B'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _1827504)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1829362)
   Exit: (216) [system] peek_char((0x55772f068e50), 'B')
   Call: (216) [system] 'B'=(;)
   Fail: (216) [system] 'B'=(;)
   Call: (216) [system] 'B'=(/)
   Fail: (216) [system] 'B'=(/)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Fail: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Fail: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Fail: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
   Fail: (217) [system] char_type('B', cntrl)
^  Fail: (216) [user] is_like_space('B')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _1845372)
   Exit: (215) [system] get_char((0x55772f068e50), 'B')
   Call: (215) [system] 'B'='('
   Fail: (215) [system] 'B'='('
   Call: (215) [system] 'B'='['
   Fail: (215) [system] 'B'='['
   Call: (215) [system] 'B'='{'
   Fail: (215) [system] 'B'='{'
   Call: (215) [system] 'B'='"'
   Fail: (215) [system] 'B'='"'
   Call: (215) [system] 'B'=!
   Fail: (215) [system] 'B'=!
   Call: (215) [system] 'B'='\''
   Fail: (215) [system] 'B'='\''
   Call: (215) [system] 'B'='`'
   Fail: (215) [system] 'B'='`'
   Call: (215) [system] 'B'=end_of_file
   Fail: (215) [system] 'B'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x55772f068e50), 'B', _1827504)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1863014)
   Call: (217) [system] peek_char((0x55772f068e50), _1863948)
   Exit: (217) [system] peek_char((0x55772f068e50), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1863014=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (216) [user] classify_and_convert_charseq(['B'], _1827504)
^  Call: (217) [user] classify_and_convert_charseq_(['B'], _1873232)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1874184, _1874186), once(user:catch(read_from_chars(['B'], _1873232), _1874166, fail)), '$restore_trace'(_1874184, _1874186))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1874184, _1874186))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1873232), _1874166, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1873232)
   Fail: (218) [system] atomic(_1873232)
   Call: (218) [system] atom_chars(_1873232, ['B'])
   Exit: (218) [system] atom_chars('B', ['B'])
^  Exit: (217) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (217) [system] integer('B')
   Fail: (217) [system] integer('B')
   Call: (217) [system] _1827504='B'
   Exit: (217) [system] 'B'='B'
^  Exit: (216) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (215) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (214) [user] read_list(')', (0x55772f068e50), _1888182)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1890040)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x55772f068e50), _1899634)
   Exit: (216) [system] get_char((0x55772f068e50), ' ')
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1902338)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1919272)
   Exit: (215) [system] peek_char((0x55772f068e50), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x55772f068e50), _1924842)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1926700)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] get_char((0x55772f068e50), _1942710)
   Exit: (216) [system] get_char((0x55772f068e50), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x55772f068e50), _1924842)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1948280)
   Exit: (218) [system] peek_char((0x55772f068e50), 'I')
   Call: (218) [system] 'I'=(;)
   Fail: (218) [system] 'I'=(;)
   Call: (218) [system] 'I'=(/)
   Fail: (218) [system] 'I'=(/)
^  Call: (218) [user] is_like_space('I')
   Call: (219) [system] char_type('I', 'white')
   Fail: (219) [system] char_type('I', 'white')
   Call: (219) [system] char_type('I', end_of_line)
   Fail: (219) [system] char_type('I', end_of_line)
   Call: (219) [system] char_type('I', space)
   Fail: (219) [system] char_type('I', space)
   Call: (219) [system] char_type('I', cntrl)
   Fail: (219) [system] char_type('I', cntrl)
^  Fail: (218) [user] is_like_space('I')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1964290)
   Exit: (217) [system] peek_char((0x55772f068e50), 'I')
   Call: (217) [system] 'I'=')'
   Fail: (217) [system] 'I'=')'
   Call: (217) [system] 'I'=end_of_file
   Fail: (217) [system] 'I'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _1969860)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1971718)
   Exit: (219) [system] peek_char((0x55772f068e50), 'I')
   Call: (219) [system] 'I'=(;)
   Fail: (219) [system] 'I'=(;)
   Call: (219) [system] 'I'=(/)
   Fail: (219) [system] 'I'=(/)
^  Call: (219) [user] is_like_space('I')
   Call: (220) [system] char_type('I', 'white')
   Fail: (220) [system] char_type('I', 'white')
   Call: (220) [system] char_type('I', end_of_line)
   Fail: (220) [system] char_type('I', end_of_line)
   Call: (220) [system] char_type('I', space)
   Fail: (220) [system] char_type('I', space)
   Call: (220) [system] char_type('I', cntrl)
   Fail: (220) [system] char_type('I', cntrl)
^  Fail: (219) [user] is_like_space('I')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _1987728)
   Exit: (218) [system] get_char((0x55772f068e50), 'I')
   Call: (218) [system] 'I'='('
   Fail: (218) [system] 'I'='('
   Call: (218) [system] 'I'='['
   Fail: (218) [system] 'I'='['
   Call: (218) [system] 'I'='{'
   Fail: (218) [system] 'I'='{'
   Call: (218) [system] 'I'='"'
   Fail: (218) [system] 'I'='"'
   Call: (218) [system] 'I'=!
   Fail: (218) [system] 'I'=!
   Call: (218) [system] 'I'='\''
   Fail: (218) [system] 'I'='\''
   Call: (218) [system] 'I'='`'
   Fail: (218) [system] 'I'='`'
   Call: (218) [system] 'I'=end_of_file
   Fail: (218) [system] 'I'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x55772f068e50), 'I', _1969860)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _2005370)
   Call: (220) [system] peek_char((0x55772f068e50), _2006304)
   Exit: (220) [system] peek_char((0x55772f068e50), m)
^  Call: (220) [user] is_delimiter(m)
   Call: (221) [system] char_type(m, space)
   Fail: (221) [system] char_type(m, space)
   Call: (221) [system] arg(_2011024, v('(', ')', end_of_file), m)
   Fail: (221) [system] arg(_2011956, v('(', ')', end_of_file), m)
^  Fail: (220) [user] is_delimiter(m)
   Call: (220) [system] ')'==m
   Fail: (220) [system] ')'==m
   Call: (220) [system] get_char((0x55772f068e50), m)
   Exit: (220) [system] get_char((0x55772f068e50), m)
   Call: (220) [system] m=(\)
   Fail: (220) [system] m=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _2019306)
   Call: (221) [system] peek_char((0x55772f068e50), _2020240)
   Exit: (221) [system] peek_char((0x55772f068e50), p)
^  Call: (221) [user] is_delimiter(p)
   Call: (222) [system] char_type(p, space)
   Fail: (222) [system] char_type(p, space)
   Call: (222) [system] arg(_2024960, v('(', ')', end_of_file), p)
   Fail: (222) [system] arg(_2025892, v('(', ')', end_of_file), p)
^  Fail: (221) [user] is_delimiter(p)
   Call: (221) [system] ')'==p
   Fail: (221) [system] ')'==p
   Call: (221) [system] get_char((0x55772f068e50), p)
   Exit: (221) [system] get_char((0x55772f068e50), p)
   Call: (221) [system] p=(\)
   Fail: (221) [system] p=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _2033242)
   Call: (222) [system] peek_char((0x55772f068e50), _2034176)
   Exit: (222) [system] peek_char((0x55772f068e50), l)
^  Call: (222) [user] is_delimiter(l)
   Call: (223) [system] char_type(l, space)
   Fail: (223) [system] char_type(l, space)
   Call: (223) [system] arg(_2038896, v('(', ')', end_of_file), l)
   Fail: (223) [system] arg(_2039828, v('(', ')', end_of_file), l)
^  Fail: (222) [user] is_delimiter(l)
   Call: (222) [system] ')'==l
   Fail: (222) [system] ')'==l
   Call: (222) [system] get_char((0x55772f068e50), l)
   Exit: (222) [system] get_char((0x55772f068e50), l)
   Call: (222) [system] l=(\)
   Fail: (222) [system] l=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _2047178)
   Call: (223) [system] peek_char((0x55772f068e50), _2048112)
   Exit: (223) [system] peek_char((0x55772f068e50), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_2052832, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_2053764, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x55772f068e50), i)
   Exit: (223) [system] get_char((0x55772f068e50), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _2061114)
   Call: (224) [system] peek_char((0x55772f068e50), _2062048)
   Exit: (224) [system] peek_char((0x55772f068e50), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_2066768, v('(', ')', end_of_file), c)
   Fail: (225) [system] arg(_2067700, v('(', ')', end_of_file), c)
^  Fail: (224) [user] is_delimiter(c)
   Call: (224) [system] ')'==c
   Fail: (224) [system] ')'==c
   Call: (224) [system] get_char((0x55772f068e50), c)
   Exit: (224) [system] get_char((0x55772f068e50), c)
   Call: (224) [system] c=(\)
   Fail: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _2075050)
   Call: (225) [system] peek_char((0x55772f068e50), _2075984)
   Exit: (225) [system] peek_char((0x55772f068e50), a)
^  Call: (225) [user] is_delimiter(a)
   Call: (226) [system] char_type(a, space)
   Fail: (226) [system] char_type(a, space)
   Call: (226) [system] arg(_2080704, v('(', ')', end_of_file), a)
   Fail: (226) [system] arg(_2081636, v('(', ')', end_of_file), a)
^  Fail: (225) [user] is_delimiter(a)
   Call: (225) [system] ')'==a
   Fail: (225) [system] ')'==a
   Call: (225) [system] get_char((0x55772f068e50), a)
   Exit: (225) [system] get_char((0x55772f068e50), a)
   Call: (225) [system] a=(\)
   Fail: (225) [system] a=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _2088986)
   Call: (226) [system] peek_char((0x55772f068e50), _2089920)
   Exit: (226) [system] peek_char((0x55772f068e50), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_2094640, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_2095572, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x55772f068e50), t)
   Exit: (226) [system] get_char((0x55772f068e50), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _11198)
   Call: (227) [system] peek_char((0x55772f068e50), _12132)
   Exit: (227) [system] peek_char((0x55772f068e50), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_16852, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_17784, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x55772f068e50), i)
   Exit: (227) [system] get_char((0x55772f068e50), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _25134)
   Call: (228) [system] peek_char((0x55772f068e50), _26068)
   Exit: (228) [system] peek_char((0x55772f068e50), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_30788, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_31720, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x55772f068e50), o)
   Exit: (228) [system] get_char((0x55772f068e50), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _39070)
   Call: (229) [system] peek_char((0x55772f068e50), _40004)
   Exit: (229) [system] peek_char((0x55772f068e50), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_44724, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_45656, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x55772f068e50), n)
   Exit: (229) [system] get_char((0x55772f068e50), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _53006)
   Call: (230) [system] peek_char((0x55772f068e50), _53940)
   Exit: (230) [system] peek_char((0x55772f068e50), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _53006=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (229) [system] _39070=[n]
   Exit: (229) [system] [n]=[n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (228) [system] _25134=[o, n]
   Exit: (228) [system] [o, n]=[o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (227) [system] _11198=[i, o, n]
   Exit: (227) [system] [i, o, n]=[i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (226) [system] _5030=[t, i, o, n]
   Exit: (226) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (225) [system] _5026=[a, t, i, o, n]
   Exit: (225) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (224) [system] _5022=[c, a, t, i, o, n]
   Exit: (224) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (223) [system] _5018=[i, c, a, t, i, o, n]
   Exit: (223) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (222) [system] _5014=[l, i, c, a, t, i, o, n]
   Exit: (222) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (221) [system] _5010=[p, l, i, c, a, t, i, o, n]
   Exit: (221) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (220) [system] _5006=[m, p, l, i, c, a, t, i, o, n]
   Exit: (220) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (219) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _5002)
^  Call: (220) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _91164)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_92116, _92118), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _91164), _92098, fail)), '$restore_trace'(_92116, _92118))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_92116, _92118))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _91164), _92098, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_91164)
   Fail: (221) [system] atomic(_91164)
   Call: (221) [system] atom_chars(_91164, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (221) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (220) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (220) [system] integer('Implication')
   Fail: (220) [system] integer('Implication')
   Call: (220) [system] _5002='Implication'
   Exit: (220) [system] 'Implication'='Implication'
^  Exit: (219) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (218) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (217) [user] read_list(')', (0x55772f068e50), _106114)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _107972)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x55772f068e50), _117566)
   Exit: (219) [system] get_char((0x55772f068e50), ' ')
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _120270)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _137204)
   Exit: (218) [system] peek_char((0x55772f068e50), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _142774)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _144632)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _160642)
   Exit: (219) [system] get_char((0x55772f068e50), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x55772f068e50), _142774)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _166212)
   Exit: (221) [system] peek_char((0x55772f068e50), 'O')
   Call: (221) [system] 'O'=(;)
   Fail: (221) [system] 'O'=(;)
   Call: (221) [system] 'O'=(/)
   Fail: (221) [system] 'O'=(/)
^  Call: (221) [user] is_like_space('O')
   Call: (222) [system] char_type('O', 'white')
   Fail: (222) [system] char_type('O', 'white')
   Call: (222) [system] char_type('O', end_of_line)
   Fail: (222) [system] char_type('O', end_of_line)
   Call: (222) [system] char_type('O', space)
   Fail: (222) [system] char_type('O', space)
   Call: (222) [system] char_type('O', cntrl)
   Fail: (222) [system] char_type('O', cntrl)
^  Fail: (221) [user] is_like_space('O')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _182222)
   Exit: (220) [system] peek_char((0x55772f068e50), 'O')
   Call: (220) [system] 'O'=')'
   Fail: (220) [system] 'O'=')'
   Call: (220) [system] 'O'=end_of_file
   Fail: (220) [system] 'O'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _187792)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _189650)
   Exit: (222) [system] peek_char((0x55772f068e50), 'O')
   Call: (222) [system] 'O'=(;)
   Fail: (222) [system] 'O'=(;)
   Call: (222) [system] 'O'=(/)
   Fail: (222) [system] 'O'=(/)
^  Call: (222) [user] is_like_space('O')
   Call: (223) [system] char_type('O', 'white')
   Fail: (223) [system] char_type('O', 'white')
   Call: (223) [system] char_type('O', end_of_line)
   Fail: (223) [system] char_type('O', end_of_line)
   Call: (223) [system] char_type('O', space)
   Fail: (223) [system] char_type('O', space)
   Call: (223) [system] char_type('O', cntrl)
   Fail: (223) [system] char_type('O', cntrl)
^  Fail: (222) [user] is_like_space('O')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _205660)
   Exit: (221) [system] get_char((0x55772f068e50), 'O')
   Call: (221) [system] 'O'='('
   Fail: (221) [system] 'O'='('
   Call: (221) [system] 'O'='['
   Fail: (221) [system] 'O'='['
   Call: (221) [system] 'O'='{'
   Fail: (221) [system] 'O'='{'
   Call: (221) [system] 'O'='"'
   Fail: (221) [system] 'O'='"'
   Call: (221) [system] 'O'=!
   Fail: (221) [system] 'O'=!
   Call: (221) [system] 'O'='\''
   Fail: (221) [system] 'O'='\''
   Call: (221) [system] 'O'='`'
   Fail: (221) [system] 'O'='`'
   Call: (221) [system] 'O'=end_of_file
   Fail: (221) [system] 'O'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x55772f068e50), 'O', _187792)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _223302)
   Call: (223) [system] peek_char((0x55772f068e50), _224236)
   Exit: (223) [system] peek_char((0x55772f068e50), r)
^  Call: (223) [user] is_delimiter(r)
   Call: (224) [system] char_type(r, space)
   Fail: (224) [system] char_type(r, space)
   Call: (224) [system] arg(_228956, v('(', ')', end_of_file), r)
   Fail: (224) [system] arg(_229888, v('(', ')', end_of_file), r)
^  Fail: (223) [user] is_delimiter(r)
   Call: (223) [system] ')'==r
   Fail: (223) [system] ')'==r
   Call: (223) [system] get_char((0x55772f068e50), r)
   Exit: (223) [system] get_char((0x55772f068e50), r)
   Call: (223) [system] r=(\)
   Fail: (223) [system] r=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _237238)
   Call: (224) [system] peek_char((0x55772f068e50), _238172)
   Exit: (224) [system] peek_char((0x55772f068e50), 'L')
^  Call: (224) [user] is_delimiter('L')
   Call: (225) [system] char_type('L', space)
   Fail: (225) [system] char_type('L', space)
   Call: (225) [system] arg(_242892, v('(', ')', end_of_file), 'L')
   Fail: (225) [system] arg(_243824, v('(', ')', end_of_file), 'L')
^  Fail: (224) [user] is_delimiter('L')
   Call: (224) [system] ')'=='L'
   Fail: (224) [system] ')'=='L'
   Call: (224) [system] get_char((0x55772f068e50), 'L')
   Exit: (224) [system] get_char((0x55772f068e50), 'L')
   Call: (224) [system] 'L'=(\)
   Fail: (224) [system] 'L'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _251174)
   Call: (225) [system] peek_char((0x55772f068e50), _252108)
   Exit: (225) [system] peek_char((0x55772f068e50), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_256828, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_257760, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x55772f068e50), i)
   Exit: (225) [system] get_char((0x55772f068e50), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _265110)
   Call: (226) [system] peek_char((0x55772f068e50), _266044)
   Exit: (226) [system] peek_char((0x55772f068e50), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_270764, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_271696, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x55772f068e50), n)
   Exit: (226) [system] get_char((0x55772f068e50), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _279046)
   Call: (227) [system] peek_char((0x55772f068e50), _279980)
   Exit: (227) [system] peek_char((0x55772f068e50), k)
^  Call: (227) [user] is_delimiter(k)
   Call: (228) [system] char_type(k, space)
   Fail: (228) [system] char_type(k, space)
   Call: (228) [system] arg(_284700, v('(', ')', end_of_file), k)
   Fail: (228) [system] arg(_285632, v('(', ')', end_of_file), k)
^  Fail: (227) [user] is_delimiter(k)
   Call: (227) [system] ')'==k
   Fail: (227) [system] ')'==k
   Call: (227) [system] get_char((0x55772f068e50), k)
   Exit: (227) [system] get_char((0x55772f068e50), k)
   Call: (227) [system] k=(\)
   Fail: (227) [system] k=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _292982)
   Call: (228) [system] peek_char((0x55772f068e50), _293916)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _292982=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (227) [system] _279046=[k]
   Exit: (227) [system] [k]=[k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (226) [system] _265110=[n, k]
   Exit: (226) [system] [n, k]=[n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (225) [system] _251174=[i, n, k]
   Exit: (225) [system] [i, n, k]=[i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (224) [system] _237238=['L', i, n, k]
   Exit: (224) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (223) [system] _223302=[r, 'L', i, n, k]
   Exit: (223) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (222) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _187792)
^  Call: (223) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _317170)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_318122, _318124), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _317170), _318104, fail)), '$restore_trace'(_318122, _318124))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_318122, _318124))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _317170), _318104, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_317170)
   Fail: (224) [system] atomic(_317170)
   Call: (224) [system] atom_chars(_317170, ['O', r, 'L', i, n, k])
   Exit: (224) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (223) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (223) [system] integer('OrLink')
   Fail: (223) [system] integer('OrLink')
   Call: (223) [system] _187792='OrLink'
   Exit: (223) [system] 'OrLink'='OrLink'
^  Exit: (222) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (221) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (220) [user] read_list(')', (0x55772f068e50), _332120)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _333978)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x55772f068e50), _343572)
   Exit: (222) [system] get_char((0x55772f068e50), ' ')
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _346276)
   Exit: (223) [system] peek_char((0x55772f068e50), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
   Call: (223) [system] 'C'=(/)
   Fail: (223) [system] 'C'=(/)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _363210)
   Exit: (221) [system] peek_char((0x55772f068e50), 'C')
   Call: (221) [system] 'C'=')'
   Fail: (221) [system] 'C'=')'
   Call: (221) [system] 'C'=end_of_file
   Fail: (221) [system] 'C'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _368780)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _370638)
   Exit: (223) [system] peek_char((0x55772f068e50), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
   Call: (223) [system] 'C'=(/)
   Fail: (223) [system] 'C'=(/)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _386648)
   Exit: (222) [system] get_char((0x55772f068e50), 'C')
   Call: (222) [system] 'C'='('
   Fail: (222) [system] 'C'='('
   Call: (222) [system] 'C'='['
   Fail: (222) [system] 'C'='['
   Call: (222) [system] 'C'='{'
   Fail: (222) [system] 'C'='{'
   Call: (222) [system] 'C'='"'
   Fail: (222) [system] 'C'='"'
   Call: (222) [system] 'C'=!
   Fail: (222) [system] 'C'=!
   Call: (222) [system] 'C'='\''
   Fail: (222) [system] 'C'='\''
   Call: (222) [system] 'C'='`'
   Fail: (222) [system] 'C'='`'
   Call: (222) [system] 'C'=end_of_file
   Fail: (222) [system] 'C'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x55772f068e50), 'C', _368780)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _404290)
   Call: (224) [system] peek_char((0x55772f068e50), _405224)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _404290=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (223) [user] classify_and_convert_charseq(['C'], _368780)
^  Call: (224) [user] classify_and_convert_charseq_(['C'], _414508)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_415460, _415462), once(user:catch(read_from_chars(['C'], _414508), _415442, fail)), '$restore_trace'(_415460, _415462))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_415460, _415462))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _414508), _415442, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_414508)
   Fail: (225) [system] atomic(_414508)
   Call: (225) [system] atom_chars(_414508, ['C'])
   Exit: (225) [system] atom_chars('C', ['C'])
^  Exit: (224) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (224) [system] integer('C')
   Fail: (224) [system] integer('C')
   Call: (224) [system] _368780='C'
   Exit: (224) [system] 'C'='C'
^  Exit: (223) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (222) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (221) [user] read_list(')', (0x55772f068e50), _429458)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _431316)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x55772f068e50), _440910)
   Exit: (223) [system] get_char((0x55772f068e50), ' ')
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _443614)
   Exit: (224) [system] peek_char((0x55772f068e50), 'D')
   Call: (224) [system] 'D'=(;)
   Fail: (224) [system] 'D'=(;)
   Call: (224) [system] 'D'=(/)
   Fail: (224) [system] 'D'=(/)
^  Call: (224) [user] is_like_space('D')
   Call: (225) [system] char_type('D', 'white')
   Fail: (225) [system] char_type('D', 'white')
   Call: (225) [system] char_type('D', end_of_line)
   Fail: (225) [system] char_type('D', end_of_line)
   Call: (225) [system] char_type('D', space)
   Fail: (225) [system] char_type('D', space)
   Call: (225) [system] char_type('D', cntrl)
   Fail: (225) [system] char_type('D', cntrl)
^  Fail: (224) [user] is_like_space('D')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _460548)
   Exit: (222) [system] peek_char((0x55772f068e50), 'D')
   Call: (222) [system] 'D'=')'
   Fail: (222) [system] 'D'=')'
   Call: (222) [system] 'D'=end_of_file
   Fail: (222) [system] 'D'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _466118)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _467976)
   Exit: (224) [system] peek_char((0x55772f068e50), 'D')
   Call: (224) [system] 'D'=(;)
   Fail: (224) [system] 'D'=(;)
   Call: (224) [system] 'D'=(/)
   Fail: (224) [system] 'D'=(/)
^  Call: (224) [user] is_like_space('D')
   Call: (225) [system] char_type('D', 'white')
   Fail: (225) [system] char_type('D', 'white')
   Call: (225) [system] char_type('D', end_of_line)
   Fail: (225) [system] char_type('D', end_of_line)
   Call: (225) [system] char_type('D', space)
   Fail: (225) [system] char_type('D', space)
   Call: (225) [system] char_type('D', cntrl)
   Fail: (225) [system] char_type('D', cntrl)
^  Fail: (224) [user] is_like_space('D')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _483986)
   Exit: (223) [system] get_char((0x55772f068e50), 'D')
   Call: (223) [system] 'D'='('
   Fail: (223) [system] 'D'='('
   Call: (223) [system] 'D'='['
   Fail: (223) [system] 'D'='['
   Call: (223) [system] 'D'='{'
   Fail: (223) [system] 'D'='{'
   Call: (223) [system] 'D'='"'
   Fail: (223) [system] 'D'='"'
   Call: (223) [system] 'D'=!
   Fail: (223) [system] 'D'=!
   Call: (223) [system] 'D'='\''
   Fail: (223) [system] 'D'='\''
   Call: (223) [system] 'D'='`'
   Fail: (223) [system] 'D'='`'
   Call: (223) [system] 'D'=end_of_file
   Fail: (223) [system] 'D'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x55772f068e50), 'D', _466118)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _501628)
   Call: (225) [system] peek_char((0x55772f068e50), _502562)
   Exit: (225) [system] peek_char((0x55772f068e50), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_507282, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _501628=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (224) [user] classify_and_convert_charseq(['D'], _466118)
^  Call: (225) [user] classify_and_convert_charseq_(['D'], _513718)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_514670, _514672), once(user:catch(read_from_chars(['D'], _513718), _514652, fail)), '$restore_trace'(_514670, _514672))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_514670, _514672))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _513718), _514652, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_513718)
   Fail: (226) [system] atomic(_513718)
   Call: (226) [system] atom_chars(_513718, ['D'])
   Exit: (226) [system] atom_chars('D', ['D'])
^  Exit: (225) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (225) [system] integer('D')
   Fail: (225) [system] integer('D')
   Call: (225) [system] _466118='D'
   Exit: (225) [system] 'D'='D'
^  Exit: (224) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (223) [user] read_symbolic(')', (0x55772f068e50), 'D', 'D')
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), 'D')
^  Call: (222) [user] read_list(')', (0x55772f068e50), _528668)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _530526)
   Exit: (224) [system] peek_char((0x55772f068e50), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
   Call: (224) [system] ')'=(/)
   Fail: (224) [system] ')'=(/)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _546536)
   Exit: (223) [system] peek_char((0x55772f068e50), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x55772f068e50), _550326)
   Exit: (223) [system] get_char((0x55772f068e50), ')')
   Call: (223) [system] _528668=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x55772f068e50), [])
   Call: (222) [system] _429458=['D']
   Exit: (222) [system] ['D']=['D']
^  Exit: (221) [user] read_list(')', (0x55772f068e50), ['D'])
   Call: (221) [system] _332120=['C', 'D']
   Exit: (221) [system] ['C', 'D']=['C', 'D']
^  Exit: (220) [user] read_list(')', (0x55772f068e50), ['C', 'D'])
   Call: (220) [system] _142774=['OrLink', 'C', 'D']
   Exit: (220) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (219) [user] read_list(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Call: (218) [user] read_list(')', (0x55772f068e50), _564208)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _566066)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x55772f068e50), _575660)
   Exit: (220) [system] get_char((0x55772f068e50), ' ')
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _578364)
   Exit: (221) [system] peek_char((0x55772f068e50), 'E')
   Call: (221) [system] 'E'=(;)
   Fail: (221) [system] 'E'=(;)
   Call: (221) [system] 'E'=(/)
   Fail: (221) [system] 'E'=(/)
^  Call: (221) [user] is_like_space('E')
   Call: (222) [system] char_type('E', 'white')
   Fail: (222) [system] char_type('E', 'white')
   Call: (222) [system] char_type('E', end_of_line)
   Fail: (222) [system] char_type('E', end_of_line)
   Call: (222) [system] char_type('E', space)
   Fail: (222) [system] char_type('E', space)
   Call: (222) [system] char_type('E', cntrl)
   Fail: (222) [system] char_type('E', cntrl)
^  Fail: (221) [user] is_like_space('E')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _595298)
   Exit: (219) [system] peek_char((0x55772f068e50), 'E')
   Call: (219) [system] 'E'=')'
   Fail: (219) [system] 'E'=')'
   Call: (219) [system] 'E'=end_of_file
   Fail: (219) [system] 'E'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _600868)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _602726)
   Exit: (221) [system] peek_char((0x55772f068e50), 'E')
   Call: (221) [system] 'E'=(;)
   Fail: (221) [system] 'E'=(;)
   Call: (221) [system] 'E'=(/)
   Fail: (221) [system] 'E'=(/)
^  Call: (221) [user] is_like_space('E')
   Call: (222) [system] char_type('E', 'white')
   Fail: (222) [system] char_type('E', 'white')
   Call: (222) [system] char_type('E', end_of_line)
   Fail: (222) [system] char_type('E', end_of_line)
   Call: (222) [system] char_type('E', space)
   Fail: (222) [system] char_type('E', space)
   Call: (222) [system] char_type('E', cntrl)
   Fail: (222) [system] char_type('E', cntrl)
^  Fail: (221) [user] is_like_space('E')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _618736)
   Exit: (220) [system] get_char((0x55772f068e50), 'E')
   Call: (220) [system] 'E'='('
   Fail: (220) [system] 'E'='('
   Call: (220) [system] 'E'='['
   Fail: (220) [system] 'E'='['
   Call: (220) [system] 'E'='{'
   Fail: (220) [system] 'E'='{'
   Call: (220) [system] 'E'='"'
   Fail: (220) [system] 'E'='"'
   Call: (220) [system] 'E'=!
   Fail: (220) [system] 'E'=!
   Call: (220) [system] 'E'='\''
   Fail: (220) [system] 'E'='\''
   Call: (220) [system] 'E'='`'
   Fail: (220) [system] 'E'='`'
   Call: (220) [system] 'E'=end_of_file
   Fail: (220) [system] 'E'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x55772f068e50), 'E', _600868)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _636378)
   Call: (222) [system] peek_char((0x55772f068e50), _637312)
   Exit: (222) [system] peek_char((0x55772f068e50), ')')
^  Call: (222) [user] is_delimiter(')')
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] arg(_642032, v('(', ')', end_of_file), ')')
   Exit: (223) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (222) [user] is_delimiter(')')
   Call: (222) [system] _636378=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (221) [user] classify_and_convert_charseq(['E'], _600868)
^  Call: (222) [user] classify_and_convert_charseq_(['E'], _648468)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_649420, _649422), once(user:catch(read_from_chars(['E'], _648468), _649402, fail)), '$restore_trace'(_649420, _649422))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_649420, _649422))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _648468), _649402, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_648468)
   Fail: (223) [system] atomic(_648468)
   Call: (223) [system] atom_chars(_648468, ['E'])
   Exit: (223) [system] atom_chars('E', ['E'])
^  Exit: (222) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (222) [system] integer('E')
   Fail: (222) [system] integer('E')
   Call: (222) [system] _600868='E'
   Exit: (222) [system] 'E'='E'
^  Exit: (221) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (220) [user] read_symbolic(')', (0x55772f068e50), 'E', 'E')
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), 'E')
^  Call: (219) [user] read_list(')', (0x55772f068e50), _663418)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _665276)
   Exit: (221) [system] peek_char((0x55772f068e50), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
   Call: (221) [system] ')'=(/)
   Fail: (221) [system] ')'=(/)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _681286)
   Exit: (220) [system] peek_char((0x55772f068e50), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x55772f068e50), _685076)
   Exit: (220) [system] get_char((0x55772f068e50), ')')
   Call: (220) [system] _663418=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x55772f068e50), [])
   Call: (219) [system] _564208=['E']
   Exit: (219) [system] ['E']=['E']
^  Exit: (218) [user] read_list(')', (0x55772f068e50), ['E'])
   Call: (218) [system] _106114=[['OrLink', 'C', 'D'], 'E']
   Exit: (218) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (217) [user] read_list(')', (0x55772f068e50), [['OrLink', 'C', 'D'], 'E'])
   Call: (217) [system] _4996=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (217) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (216) [user] read_list(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (215) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (215) [user] read_list(')', (0x55772f068e50), _698958)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _700816)
   Exit: (217) [system] peek_char((0x55772f068e50), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
   Call: (217) [system] ')'=(/)
   Fail: (217) [system] ')'=(/)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _716826)
   Exit: (216) [system] peek_char((0x55772f068e50), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x55772f068e50), _720616)
   Exit: (216) [system] get_char((0x55772f068e50), ')')
   Call: (216) [system] _698958=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x55772f068e50), [])
   Call: (215) [system] _4992=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (215) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (214) [user] read_list(')', (0x55772f068e50), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (214) [system] _4986=['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (214) [system] ['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (213) [user] read_list(')', (0x55772f068e50), ['B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (213) [system] _4978=['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (213) [system] ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (212) [user] read_list(')', (0x55772f068e50), ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (211) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (211) [user] read_list(')', (0x55772f068e50), _734498)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _736356)
   Exit: (213) [system] peek_char((0x55772f068e50), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
   Call: (213) [system] ')'=(/)
   Fail: (213) [system] ')'=(/)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _752366)
   Exit: (212) [system] peek_char((0x55772f068e50), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x55772f068e50), _756156)
   Exit: (212) [system] get_char((0x55772f068e50), ')')
   Call: (212) [system] _734498=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x55772f068e50), [])
   Call: (211) [system] _4974=[['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (211) [system] [['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (210) [user] read_list(')', (0x55772f068e50), [['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (210) [system] _4950=[['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (210) [system] [['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (209) [user] read_list(')', (0x55772f068e50), [['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (209) [system] _4942=[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (209) [system] [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (208) [user] read_list(')', (0x55772f068e50), [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (207) [user] cont_sexpr(')', (0x55772f068e50), [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (207) [user] read_list(')', (0x55772f068e50), _770038)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _771896)
   Exit: (209) [system] peek_char((0x55772f068e50), '\n')
   Call: (209) [system] '\n'=(;)
   Fail: (209) [system] '\n'=(;)
   Call: (209) [system] '\n'=(/)
   Fail: (209) [system] '\n'=(/)
^  Call: (209) [user] is_like_space('\n')
   Call: (210) [system] char_type('\n', 'white')
   Fail: (210) [system] char_type('\n', 'white')
   Call: (210) [system] char_type('\n', end_of_line)
   Exit: (210) [system] char_type('\n', end_of_line)
^  Exit: (209) [user] is_like_space('\n')
   Call: (209) [system] get_char((0x55772f068e50), _783346)
   Exit: (209) [system] get_char((0x55772f068e50), '\n')
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _786050)
   Exit: (210) [system] peek_char((0x55772f068e50), '\t')
   Call: (210) [system] '\t'=(;)
   Fail: (210) [system] '\t'=(;)
   Call: (210) [system] '\t'=(/)
   Fail: (210) [system] '\t'=(/)
^  Call: (210) [user] is_like_space('\t')
   Call: (211) [system] char_type('\t', 'white')
   Exit: (211) [system] char_type('\t', 'white')
^  Exit: (210) [user] is_like_space('\t')
   Call: (210) [system] get_char((0x55772f068e50), _795644)
   Exit: (210) [system] get_char((0x55772f068e50), '\t')
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _798348)
   Exit: (211) [system] peek_char((0x55772f068e50), '\t')
   Call: (211) [system] '\t'=(;)
   Fail: (211) [system] '\t'=(;)
   Call: (211) [system] '\t'=(/)
   Fail: (211) [system] '\t'=(/)
^  Call: (211) [user] is_like_space('\t')
   Call: (212) [system] char_type('\t', 'white')
   Exit: (212) [system] char_type('\t', 'white')
^  Exit: (211) [user] is_like_space('\t')
   Call: (211) [system] get_char((0x55772f068e50), _807942)
   Exit: (211) [system] get_char((0x55772f068e50), '\t')
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _810646)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x55772f068e50), _820240)
   Exit: (212) [system] get_char((0x55772f068e50), ' ')
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _822944)
   Exit: (213) [system] peek_char((0x55772f068e50), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _842650)
   Exit: (208) [system] peek_char((0x55772f068e50), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x55772f068e50), _848220)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _850078)
   Exit: (210) [system] peek_char((0x55772f068e50), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] get_char((0x55772f068e50), _866088)
   Exit: (209) [system] get_char((0x55772f068e50), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x55772f068e50), _848220)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _871658)
   Exit: (211) [system] peek_char((0x55772f068e50), :)
   Call: (211) [system] (:)=(;)
   Fail: (211) [system] (:)=(;)
   Call: (211) [system] (:)=(/)
   Fail: (211) [system] (:)=(/)
^  Call: (211) [user] is_like_space(:)
   Call: (212) [system] char_type(:, 'white')
   Fail: (212) [system] char_type(:, 'white')
   Call: (212) [system] char_type(:, end_of_line)
   Fail: (212) [system] char_type(:, end_of_line)
   Call: (212) [system] char_type(:, space)
   Fail: (212) [system] char_type(:, space)
   Call: (212) [system] char_type(:, cntrl)
   Fail: (212) [system] char_type(:, cntrl)
^  Fail: (211) [user] is_like_space(:)
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _887668)
   Exit: (210) [system] peek_char((0x55772f068e50), :)
   Call: (210) [system] (:)=')'
   Fail: (210) [system] (:)=')'
   Call: (210) [system] (:)=end_of_file
   Fail: (210) [system] (:)=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x55772f068e50), _893238)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _895096)
   Exit: (212) [system] peek_char((0x55772f068e50), :)
   Call: (212) [system] (:)=(;)
   Fail: (212) [system] (:)=(;)
   Call: (212) [system] (:)=(/)
   Fail: (212) [system] (:)=(/)
^  Call: (212) [user] is_like_space(:)
   Call: (213) [system] char_type(:, 'white')
   Fail: (213) [system] char_type(:, 'white')
   Call: (213) [system] char_type(:, end_of_line)
   Fail: (213) [system] char_type(:, end_of_line)
   Call: (213) [system] char_type(:, space)
   Fail: (213) [system] char_type(:, space)
   Call: (213) [system] char_type(:, cntrl)
   Fail: (213) [system] char_type(:, cntrl)
^  Fail: (212) [user] is_like_space(:)
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] get_char((0x55772f068e50), _911106)
   Exit: (211) [system] get_char((0x55772f068e50), :)
   Call: (211) [system] (:)='('
   Fail: (211) [system] (:)='('
   Call: (211) [system] (:)='['
   Fail: (211) [system] (:)='['
   Call: (211) [system] (:)='{'
   Fail: (211) [system] (:)='{'
   Call: (211) [system] (:)='"'
   Fail: (211) [system] (:)='"'
   Call: (211) [system] (:)=!
   Fail: (211) [system] (:)=!
   Call: (211) [system] (:)='\''
   Fail: (211) [system] (:)='\''
   Call: (211) [system] (:)='`'
   Fail: (211) [system] (:)='`'
   Call: (211) [system] (:)=end_of_file
   Fail: (211) [system] (:)=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x55772f068e50), :, _893238)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _928748)
   Call: (213) [system] peek_char((0x55772f068e50), _929682)
   Exit: (213) [system] peek_char((0x55772f068e50), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _928748=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (212) [user] classify_and_convert_charseq([:], _893238)
^  Call: (213) [user] classify_and_convert_charseq_([:], _938966)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_939918, _939920), once(user:catch(read_from_chars([:], _938966), _939900, fail)), '$restore_trace'(_939918, _939920))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_939918, _939920))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _939900, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(:)
   Exit: (214) [system] atomic(:)
^  Exit: (213) [user] classify_and_convert_charseq_([:], :)
   Call: (213) [system] integer(:)
   Fail: (213) [system] integer(:)
   Call: (213) [system] _893238=(:)
   Exit: (213) [system] (:)=(:)
^  Exit: (212) [user] classify_and_convert_charseq([:], :)
^  Exit: (211) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (210) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (210) [user] read_list(')', (0x55772f068e50), _952046)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _953904)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x55772f068e50), _963498)
   Exit: (212) [system] get_char((0x55772f068e50), ' ')
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _966202)
   Exit: (213) [system] peek_char((0x55772f068e50), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _983136)
   Exit: (211) [system] peek_char((0x55772f068e50), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x55772f068e50), _988706)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _990564)
   Exit: (213) [system] peek_char((0x55772f068e50), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] get_char((0x55772f068e50), _1006574)
   Exit: (212) [system] get_char((0x55772f068e50), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x55772f068e50), _988706)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1012144)
   Exit: (214) [system] peek_char((0x55772f068e50), 'C')
   Call: (214) [system] 'C'=(;)
   Fail: (214) [system] 'C'=(;)
   Call: (214) [system] 'C'=(/)
   Fail: (214) [system] 'C'=(/)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Fail: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Fail: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Fail: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
   Fail: (215) [system] char_type('C', cntrl)
^  Fail: (214) [user] is_like_space('C')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1028154)
   Exit: (213) [system] peek_char((0x55772f068e50), 'C')
   Call: (213) [system] 'C'=')'
   Fail: (213) [system] 'C'=')'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _1033724)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1035582)
   Exit: (215) [system] peek_char((0x55772f068e50), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
   Call: (215) [system] 'C'=(/)
   Fail: (215) [system] 'C'=(/)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _1051592)
   Exit: (214) [system] get_char((0x55772f068e50), 'C')
   Call: (214) [system] 'C'='('
   Fail: (214) [system] 'C'='('
   Call: (214) [system] 'C'='['
   Fail: (214) [system] 'C'='['
   Call: (214) [system] 'C'='{'
   Fail: (214) [system] 'C'='{'
   Call: (214) [system] 'C'='"'
   Fail: (214) [system] 'C'='"'
   Call: (214) [system] 'C'=!
   Fail: (214) [system] 'C'=!
   Call: (214) [system] 'C'='\''
   Fail: (214) [system] 'C'='\''
   Call: (214) [system] 'C'='`'
   Fail: (214) [system] 'C'='`'
   Call: (214) [system] 'C'=end_of_file
   Fail: (214) [system] 'C'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x55772f068e50), 'C', _1033724)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1069234)
   Call: (216) [system] peek_char((0x55772f068e50), _1070168)
   Exit: (216) [system] peek_char((0x55772f068e50), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Fail: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_1074888, v('(', ')', end_of_file), o)
   Fail: (217) [system] arg(_1075820, v('(', ')', end_of_file), o)
^  Fail: (216) [user] is_delimiter(o)
   Call: (216) [system] ')'==o
   Fail: (216) [system] ')'==o
   Call: (216) [system] get_char((0x55772f068e50), o)
   Exit: (216) [system] get_char((0x55772f068e50), o)
   Call: (216) [system] o=(\)
   Fail: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1083170)
   Call: (217) [system] peek_char((0x55772f068e50), _1084104)
   Exit: (217) [system] peek_char((0x55772f068e50), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1088824, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1089756, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x55772f068e50), n)
   Exit: (217) [system] get_char((0x55772f068e50), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1097106)
   Call: (218) [system] peek_char((0x55772f068e50), _1098040)
   Exit: (218) [system] peek_char((0x55772f068e50), j)
^  Call: (218) [user] is_delimiter(j)
   Call: (219) [system] char_type(j, space)
   Fail: (219) [system] char_type(j, space)
   Call: (219) [system] arg(_1102760, v('(', ')', end_of_file), j)
   Fail: (219) [system] arg(_1103692, v('(', ')', end_of_file), j)
^  Fail: (218) [user] is_delimiter(j)
   Call: (218) [system] ')'==j
   Fail: (218) [system] ')'==j
   Call: (218) [system] get_char((0x55772f068e50), j)
   Exit: (218) [system] get_char((0x55772f068e50), j)
   Call: (218) [system] j=(\)
   Fail: (218) [system] j=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1111042)
   Call: (219) [system] peek_char((0x55772f068e50), _1111976)
   Exit: (219) [system] peek_char((0x55772f068e50), u)
^  Call: (219) [user] is_delimiter(u)
   Call: (220) [system] char_type(u, space)
   Fail: (220) [system] char_type(u, space)
   Call: (220) [system] arg(_1116696, v('(', ')', end_of_file), u)
   Fail: (220) [system] arg(_1117628, v('(', ')', end_of_file), u)
^  Fail: (219) [user] is_delimiter(u)
   Call: (219) [system] ')'==u
   Fail: (219) [system] ')'==u
   Call: (219) [system] get_char((0x55772f068e50), u)
   Exit: (219) [system] get_char((0x55772f068e50), u)
   Call: (219) [system] u=(\)
   Fail: (219) [system] u=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1124978)
   Call: (220) [system] peek_char((0x55772f068e50), _1125912)
   Exit: (220) [system] peek_char((0x55772f068e50), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1130632, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1131564, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x55772f068e50), n)
   Exit: (220) [system] get_char((0x55772f068e50), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1138914)
   Call: (221) [system] peek_char((0x55772f068e50), _1139848)
   Exit: (221) [system] peek_char((0x55772f068e50), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Fail: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_1144568, v('(', ')', end_of_file), c)
   Fail: (222) [system] arg(_1145500, v('(', ')', end_of_file), c)
^  Fail: (221) [user] is_delimiter(c)
   Call: (221) [system] ')'==c
   Fail: (221) [system] ')'==c
   Call: (221) [system] get_char((0x55772f068e50), c)
   Exit: (221) [system] get_char((0x55772f068e50), c)
   Call: (221) [system] c=(\)
   Fail: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1152850)
   Call: (222) [system] peek_char((0x55772f068e50), _1153784)
   Exit: (222) [system] peek_char((0x55772f068e50), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_1158504, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_1159436, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x55772f068e50), t)
   Exit: (222) [system] get_char((0x55772f068e50), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1166786)
   Call: (223) [system] peek_char((0x55772f068e50), _1167720)
   Exit: (223) [system] peek_char((0x55772f068e50), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_1172440, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_1173372, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x55772f068e50), i)
   Exit: (223) [system] get_char((0x55772f068e50), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1180722)
   Call: (224) [system] peek_char((0x55772f068e50), _1181656)
   Exit: (224) [system] peek_char((0x55772f068e50), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_1186376, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_1187308, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x55772f068e50), o)
   Exit: (224) [system] get_char((0x55772f068e50), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1194658)
   Call: (225) [system] peek_char((0x55772f068e50), _1195592)
   Exit: (225) [system] peek_char((0x55772f068e50), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1200312, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_1201244, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x55772f068e50), n)
   Exit: (225) [system] get_char((0x55772f068e50), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1208594)
   Call: (226) [system] peek_char((0x55772f068e50), _1209528)
   Exit: (226) [system] peek_char((0x55772f068e50), 'I')
^  Call: (226) [user] is_delimiter('I')
   Call: (227) [system] char_type('I', space)
   Fail: (227) [system] char_type('I', space)
   Call: (227) [system] arg(_1214248, v('(', ')', end_of_file), 'I')
   Fail: (227) [system] arg(_1215180, v('(', ')', end_of_file), 'I')
^  Fail: (226) [user] is_delimiter('I')
   Call: (226) [system] ')'=='I'
   Fail: (226) [system] ')'=='I'
   Call: (226) [system] get_char((0x55772f068e50), 'I')
   Exit: (226) [system] get_char((0x55772f068e50), 'I')
   Call: (226) [system] 'I'=(\)
   Fail: (226) [system] 'I'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1222530)
   Call: (227) [system] peek_char((0x55772f068e50), _1223464)
   Exit: (227) [system] peek_char((0x55772f068e50), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1228184, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_1229116, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x55772f068e50), n)
   Exit: (227) [system] get_char((0x55772f068e50), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1236466)
   Call: (228) [system] peek_char((0x55772f068e50), _1237400)
   Exit: (228) [system] peek_char((0x55772f068e50), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_1242120, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_1243052, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x55772f068e50), t)
   Exit: (228) [system] get_char((0x55772f068e50), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1250402)
   Call: (229) [system] peek_char((0x55772f068e50), _1251336)
   Exit: (229) [system] peek_char((0x55772f068e50), r)
^  Call: (229) [user] is_delimiter(r)
   Call: (230) [system] char_type(r, space)
   Fail: (230) [system] char_type(r, space)
   Call: (230) [system] arg(_1256056, v('(', ')', end_of_file), r)
   Fail: (230) [system] arg(_1256988, v('(', ')', end_of_file), r)
^  Fail: (229) [user] is_delimiter(r)
   Call: (229) [system] ')'==r
   Fail: (229) [system] ')'==r
   Call: (229) [system] get_char((0x55772f068e50), r)
   Exit: (229) [system] get_char((0x55772f068e50), r)
   Call: (229) [system] r=(\)
   Fail: (229) [system] r=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1264338)
   Call: (230) [system] peek_char((0x55772f068e50), _1265272)
   Exit: (230) [system] peek_char((0x55772f068e50), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_1269992, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_1270924, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x55772f068e50), o)
   Exit: (230) [system] get_char((0x55772f068e50), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1278274)
   Call: (231) [system] peek_char((0x55772f068e50), _1279208)
   Exit: (231) [system] peek_char((0x55772f068e50), d)
^  Call: (231) [user] is_delimiter(d)
   Call: (232) [system] char_type(d, space)
   Fail: (232) [system] char_type(d, space)
   Call: (232) [system] arg(_1283928, v('(', ')', end_of_file), d)
   Fail: (232) [system] arg(_1284860, v('(', ')', end_of_file), d)
^  Fail: (231) [user] is_delimiter(d)
   Call: (231) [system] ')'==d
   Fail: (231) [system] ')'==d
   Call: (231) [system] get_char((0x55772f068e50), d)
   Exit: (231) [system] get_char((0x55772f068e50), d)
   Call: (231) [system] d=(\)
   Fail: (231) [system] d=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1292210)
   Call: (232) [system] peek_char((0x55772f068e50), _1293144)
   Exit: (232) [system] peek_char((0x55772f068e50), u)
^  Call: (232) [user] is_delimiter(u)
   Call: (233) [system] char_type(u, space)
   Fail: (233) [system] char_type(u, space)
   Call: (233) [system] arg(_1297864, v('(', ')', end_of_file), u)
   Fail: (233) [system] arg(_1298796, v('(', ')', end_of_file), u)
^  Fail: (232) [user] is_delimiter(u)
   Call: (232) [system] ')'==u
   Fail: (232) [system] ')'==u
   Call: (232) [system] get_char((0x55772f068e50), u)
   Exit: (232) [system] get_char((0x55772f068e50), u)
   Call: (232) [system] u=(\)
   Fail: (232) [system] u=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1306146)
   Call: (233) [system] peek_char((0x55772f068e50), _1307080)
   Exit: (233) [system] peek_char((0x55772f068e50), c)
^  Call: (233) [user] is_delimiter(c)
   Call: (234) [system] char_type(c, space)
   Fail: (234) [system] char_type(c, space)
   Call: (234) [system] arg(_1311800, v('(', ')', end_of_file), c)
   Fail: (234) [system] arg(_1312732, v('(', ')', end_of_file), c)
^  Fail: (233) [user] is_delimiter(c)
   Call: (233) [system] ')'==c
   Fail: (233) [system] ')'==c
   Call: (233) [system] get_char((0x55772f068e50), c)
   Exit: (233) [system] get_char((0x55772f068e50), c)
   Call: (233) [system] c=(\)
   Fail: (233) [system] c=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1320082)
   Call: (234) [system] peek_char((0x55772f068e50), _1321016)
   Exit: (234) [system] peek_char((0x55772f068e50), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Fail: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_1325736, v('(', ')', end_of_file), t)
   Fail: (235) [system] arg(_1326668, v('(', ')', end_of_file), t)
^  Fail: (234) [user] is_delimiter(t)
   Call: (234) [system] ')'==t
   Fail: (234) [system] ')'==t
   Call: (234) [system] get_char((0x55772f068e50), t)
   Exit: (234) [system] get_char((0x55772f068e50), t)
   Call: (234) [system] t=(\)
   Fail: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1334018)
   Call: (235) [system] peek_char((0x55772f068e50), _1334952)
   Exit: (235) [system] peek_char((0x55772f068e50), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Fail: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_1339672, v('(', ')', end_of_file), i)
   Fail: (236) [system] arg(_1340604, v('(', ')', end_of_file), i)
^  Fail: (235) [user] is_delimiter(i)
   Call: (235) [system] ')'==i
   Fail: (235) [system] ')'==i
   Call: (235) [system] get_char((0x55772f068e50), i)
   Exit: (235) [system] get_char((0x55772f068e50), i)
   Call: (235) [system] i=(\)
   Fail: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1347954)
   Call: (236) [system] peek_char((0x55772f068e50), _1348888)
   Exit: (236) [system] peek_char((0x55772f068e50), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Fail: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_1353608, v('(', ')', end_of_file), o)
   Fail: (237) [system] arg(_1354540, v('(', ')', end_of_file), o)
^  Fail: (236) [user] is_delimiter(o)
   Call: (236) [system] ')'==o
   Fail: (236) [system] ')'==o
   Call: (236) [system] get_char((0x55772f068e50), o)
   Exit: (236) [system] get_char((0x55772f068e50), o)
   Call: (236) [system] o=(\)
   Fail: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1361890)
   Call: (237) [system] peek_char((0x55772f068e50), _1362824)
   Exit: (237) [system] peek_char((0x55772f068e50), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_1367544, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_1368476, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x55772f068e50), n)
   Exit: (237) [system] get_char((0x55772f068e50), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _1375826)
   Call: (238) [system] peek_char((0x55772f068e50), _1376760)
   Exit: (238) [system] peek_char((0x55772f068e50), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _1375826=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (237) [system] _1361890=[n]
   Exit: (237) [system] [n]=[n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (236) [system] _1347954=[o, n]
   Exit: (236) [system] [o, n]=[o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (235) [system] _1334018=[i, o, n]
   Exit: (235) [system] [i, o, n]=[i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (234) [system] _1320082=[t, i, o, n]
   Exit: (234) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (233) [system] _1306146=[c, t, i, o, n]
   Exit: (233) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (232) [system] _1292210=[u, c, t, i, o, n]
   Exit: (232) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (231) [system] _1278274=[d, u, c, t, i, o, n]
   Exit: (231) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (230) [system] _1264338=[o, d, u, c, t, i, o, n]
   Exit: (230) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (229) [system] _1250402=[r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1236466=[t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1222530=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1208594=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1194658=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1180722=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1166786=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1152850=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1138914=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1124978=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1111042=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1097106=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1083170=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1069234=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (215) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1033724)
^  Call: (216) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1447512)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1448464, _1448466), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1447512), _1448446, fail)), '$restore_trace'(_1448464, _1448466))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1448464, _1448466))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1447512), _1448446, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1447512)
   Fail: (217) [system] atomic(_1447512)
   Call: (217) [system] atom_chars(_1447512, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (217) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (216) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (216) [system] integer('ConjunctionIntroduction')
   Fail: (216) [system] integer('ConjunctionIntroduction')
   Call: (216) [system] _1033724='ConjunctionIntroduction'
   Exit: (216) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (215) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (214) [user] read_symbolic(')', (0x55772f068e50), 'C', 'ConjunctionIntroduction')
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), 'ConjunctionIntroduction')
^  Call: (213) [user] read_list(')', (0x55772f068e50), _1462462)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1464320)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x55772f068e50), _1473914)
   Exit: (215) [system] get_char((0x55772f068e50), ' ')
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1476618)
   Exit: (216) [system] peek_char((0x55772f068e50), a)
   Call: (216) [system] a=(;)
   Fail: (216) [system] a=(;)
   Call: (216) [system] a=(/)
   Fail: (216) [system] a=(/)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Fail: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Fail: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
   Fail: (217) [system] char_type(a, cntrl)
^  Fail: (216) [user] is_like_space(a)
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1493552)
   Exit: (214) [system] peek_char((0x55772f068e50), a)
   Call: (214) [system] a=')'
   Fail: (214) [system] a=')'
   Call: (214) [system] a=end_of_file
   Fail: (214) [system] a=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _1499122)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1500980)
   Exit: (216) [system] peek_char((0x55772f068e50), a)
   Call: (216) [system] a=(;)
   Fail: (216) [system] a=(;)
   Call: (216) [system] a=(/)
   Fail: (216) [system] a=(/)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Fail: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Fail: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
   Fail: (217) [system] char_type(a, cntrl)
^  Fail: (216) [user] is_like_space(a)
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _1516990)
   Exit: (215) [system] get_char((0x55772f068e50), a)
   Call: (215) [system] a='('
   Fail: (215) [system] a='('
   Call: (215) [system] a='['
   Fail: (215) [system] a='['
   Call: (215) [system] a='{'
   Fail: (215) [system] a='{'
   Call: (215) [system] a='"'
   Fail: (215) [system] a='"'
   Call: (215) [system] a=!
   Fail: (215) [system] a=!
   Call: (215) [system] a='\''
   Fail: (215) [system] a='\''
   Call: (215) [system] a='`'
   Fail: (215) [system] a='`'
   Call: (215) [system] a=end_of_file
   Fail: (215) [system] a=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x55772f068e50), a, _1499122)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1534632)
   Call: (217) [system] peek_char((0x55772f068e50), _1535566)
   Exit: (217) [system] peek_char((0x55772f068e50), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1534632=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (216) [user] classify_and_convert_charseq([a], _1499122)
^  Call: (217) [user] classify_and_convert_charseq_([a], _1544850)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1545802, _1545804), once(user:catch(read_from_chars([a], _1544850), _1545784, fail)), '$restore_trace'(_1545802, _1545804))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1545802, _1545804))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1545784, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(a)
   Exit: (218) [system] atomic(a)
^  Exit: (217) [user] classify_and_convert_charseq_([a], a)
   Call: (217) [system] integer(a)
   Fail: (217) [system] integer(a)
   Call: (217) [system] _1499122=a
   Exit: (217) [system] a=a
^  Exit: (216) [user] classify_and_convert_charseq([a], a)
^  Exit: (215) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (214) [user] read_list(')', (0x55772f068e50), _1557930)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1559788)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x55772f068e50), _1569382)
   Exit: (216) [system] get_char((0x55772f068e50), ' ')
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1572086)
   Exit: (217) [system] peek_char((0x55772f068e50), a)
   Call: (217) [system] a=(;)
   Fail: (217) [system] a=(;)
   Call: (217) [system] a=(/)
   Fail: (217) [system] a=(/)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Fail: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Fail: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
   Fail: (218) [system] char_type(a, cntrl)
^  Fail: (217) [user] is_like_space(a)
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1589020)
   Exit: (215) [system] peek_char((0x55772f068e50), a)
   Call: (215) [system] a=')'
   Fail: (215) [system] a=')'
   Call: (215) [system] a=end_of_file
   Fail: (215) [system] a=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x55772f068e50), _1594590)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1596448)
   Exit: (217) [system] peek_char((0x55772f068e50), a)
   Call: (217) [system] a=(;)
   Fail: (217) [system] a=(;)
   Call: (217) [system] a=(/)
   Fail: (217) [system] a=(/)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Fail: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Fail: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
   Fail: (218) [system] char_type(a, cntrl)
^  Fail: (217) [user] is_like_space(a)
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] get_char((0x55772f068e50), _1612458)
   Exit: (216) [system] get_char((0x55772f068e50), a)
   Call: (216) [system] a='('
   Fail: (216) [system] a='('
   Call: (216) [system] a='['
   Fail: (216) [system] a='['
   Call: (216) [system] a='{'
   Fail: (216) [system] a='{'
   Call: (216) [system] a='"'
   Fail: (216) [system] a='"'
   Call: (216) [system] a=!
   Fail: (216) [system] a=!
   Call: (216) [system] a='\''
   Fail: (216) [system] a='\''
   Call: (216) [system] a='`'
   Fail: (216) [system] a='`'
   Call: (216) [system] a=end_of_file
   Fail: (216) [system] a=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x55772f068e50), a, _1594590)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1630100)
   Call: (218) [system] peek_char((0x55772f068e50), _1631034)
   Exit: (218) [system] peek_char((0x55772f068e50), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_1635754, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _1630100=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (217) [user] classify_and_convert_charseq([a], _1594590)
^  Call: (218) [user] classify_and_convert_charseq_([a], _1642190)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1643142, _1643144), once(user:catch(read_from_chars([a], _1642190), _1643124, fail)), '$restore_trace'(_1643142, _1643144))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1643142, _1643144))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1643124, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(a)
   Exit: (219) [system] atomic(a)
^  Exit: (218) [user] classify_and_convert_charseq_([a], a)
   Call: (218) [system] integer(a)
   Fail: (218) [system] integer(a)
   Call: (218) [system] _1594590=a
   Exit: (218) [system] a=a
^  Exit: (217) [user] classify_and_convert_charseq([a], a)
^  Exit: (216) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (215) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (215) [user] read_list(')', (0x55772f068e50), _1655270)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1657128)
   Exit: (217) [system] peek_char((0x55772f068e50), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
   Call: (217) [system] ')'=(/)
   Fail: (217) [system] ')'=(/)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1673138)
   Exit: (216) [system] peek_char((0x55772f068e50), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x55772f068e50), _1676928)
   Exit: (216) [system] get_char((0x55772f068e50), ')')
   Call: (216) [system] _1655270=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x55772f068e50), [])
   Call: (215) [system] _1557930=[a]
   Exit: (215) [system] [a]=[a]
^  Exit: (214) [user] read_list(')', (0x55772f068e50), [a])
   Call: (214) [system] _1462462=[a, a]
   Exit: (214) [system] [a, a]=[a, a]
^  Exit: (213) [user] read_list(')', (0x55772f068e50), [a, a])
   Call: (213) [system] _988706=['ConjunctionIntroduction', a, a]
   Exit: (213) [system] ['ConjunctionIntroduction', a, a]=['ConjunctionIntroduction', a, a]
^  Exit: (212) [user] read_list(')', (0x55772f068e50), ['ConjunctionIntroduction', a, a])
^  Exit: (211) [user] cont_sexpr(')', (0x55772f068e50), ['ConjunctionIntroduction', a, a])
^  Call: (211) [user] read_list(')', (0x55772f068e50), _1690810)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1692668)
   Exit: (213) [system] peek_char((0x55772f068e50), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x55772f068e50), _1702262)
   Exit: (213) [system] get_char((0x55772f068e50), ' ')
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1704966)
   Exit: (214) [system] peek_char((0x55772f068e50), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1721900)
   Exit: (212) [system] peek_char((0x55772f068e50), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x55772f068e50), _1727470)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1729328)
   Exit: (214) [system] peek_char((0x55772f068e50), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] get_char((0x55772f068e50), _1745338)
   Exit: (213) [system] get_char((0x55772f068e50), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x55772f068e50), _1727470)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1750908)
   Exit: (215) [system] peek_char((0x55772f068e50), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
   Call: (215) [system] 'A'=(/)
   Fail: (215) [system] 'A'=(/)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1766918)
   Exit: (214) [system] peek_char((0x55772f068e50), 'A')
   Call: (214) [system] 'A'=')'
   Fail: (214) [system] 'A'=')'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _1772488)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1774346)
   Exit: (216) [system] peek_char((0x55772f068e50), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
   Call: (216) [system] 'A'=(/)
   Fail: (216) [system] 'A'=(/)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _1790356)
   Exit: (215) [system] get_char((0x55772f068e50), 'A')
   Call: (215) [system] 'A'='('
   Fail: (215) [system] 'A'='('
   Call: (215) [system] 'A'='['
   Fail: (215) [system] 'A'='['
   Call: (215) [system] 'A'='{'
   Fail: (215) [system] 'A'='{'
   Call: (215) [system] 'A'='"'
   Fail: (215) [system] 'A'='"'
   Call: (215) [system] 'A'=!
   Fail: (215) [system] 'A'=!
   Call: (215) [system] 'A'='\''
   Fail: (215) [system] 'A'='\''
   Call: (215) [system] 'A'='`'
   Fail: (215) [system] 'A'='`'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x55772f068e50), 'A', _1772488)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1807998)
   Call: (217) [system] peek_char((0x55772f068e50), _1808932)
   Exit: (217) [system] peek_char((0x55772f068e50), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1813652, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1814584, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x55772f068e50), n)
   Exit: (217) [system] get_char((0x55772f068e50), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1821934)
   Call: (218) [system] peek_char((0x55772f068e50), _1822868)
   Exit: (218) [system] peek_char((0x55772f068e50), d)
^  Call: (218) [user] is_delimiter(d)
   Call: (219) [system] char_type(d, space)
   Fail: (219) [system] char_type(d, space)
   Call: (219) [system] arg(_1827588, v('(', ')', end_of_file), d)
   Fail: (219) [system] arg(_1828520, v('(', ')', end_of_file), d)
^  Fail: (218) [user] is_delimiter(d)
   Call: (218) [system] ')'==d
   Fail: (218) [system] ')'==d
   Call: (218) [system] get_char((0x55772f068e50), d)
   Exit: (218) [system] get_char((0x55772f068e50), d)
   Call: (218) [system] d=(\)
   Fail: (218) [system] d=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1835870)
   Call: (219) [system] peek_char((0x55772f068e50), _1836804)
   Exit: (219) [system] peek_char((0x55772f068e50), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Fail: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_1841524, v('(', ')', end_of_file), 'L')
   Fail: (220) [system] arg(_1842456, v('(', ')', end_of_file), 'L')
^  Fail: (219) [user] is_delimiter('L')
   Call: (219) [system] ')'=='L'
   Fail: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x55772f068e50), 'L')
   Exit: (219) [system] get_char((0x55772f068e50), 'L')
   Call: (219) [system] 'L'=(\)
   Fail: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1849806)
   Call: (220) [system] peek_char((0x55772f068e50), _1850740)
   Exit: (220) [system] peek_char((0x55772f068e50), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1855460, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1856392, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x55772f068e50), i)
   Exit: (220) [system] get_char((0x55772f068e50), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1863742)
   Call: (221) [system] peek_char((0x55772f068e50), _1864676)
   Exit: (221) [system] peek_char((0x55772f068e50), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1869396, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1870328, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x55772f068e50), n)
   Exit: (221) [system] get_char((0x55772f068e50), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1877678)
   Call: (222) [system] peek_char((0x55772f068e50), _1878612)
   Exit: (222) [system] peek_char((0x55772f068e50), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Fail: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_1883332, v('(', ')', end_of_file), k)
   Fail: (223) [system] arg(_1884264, v('(', ')', end_of_file), k)
^  Fail: (222) [user] is_delimiter(k)
   Call: (222) [system] ')'==k
   Fail: (222) [system] ')'==k
   Call: (222) [system] get_char((0x55772f068e50), k)
   Exit: (222) [system] get_char((0x55772f068e50), k)
   Call: (222) [system] k=(\)
   Fail: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1891614)
   Call: (223) [system] peek_char((0x55772f068e50), _1892548)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1891614=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (222) [system] _1877678=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (221) [system] _1863742=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (220) [system] _1849806=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (219) [system] _1835870=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (218) [system] _1821934=[d, 'L', i, n, k]
   Exit: (218) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (217) [system] _1807998=[n, d, 'L', i, n, k]
   Exit: (217) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (216) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1772488)
^  Call: (217) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1918596)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1919548, _1919550), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1918596), _1919530, fail)), '$restore_trace'(_1919548, _1919550))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1919548, _1919550))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1918596), _1919530, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1918596)
   Fail: (218) [system] atomic(_1918596)
   Call: (218) [system] atom_chars(_1918596, ['A', n, d, 'L', i, n, k])
   Exit: (218) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (217) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (217) [system] integer('AndLink')
   Fail: (217) [system] integer('AndLink')
   Call: (217) [system] _1772488='AndLink'
   Exit: (217) [system] 'AndLink'='AndLink'
^  Exit: (216) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (215) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (214) [user] read_list(')', (0x55772f068e50), _1933546)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1935404)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x55772f068e50), _1944998)
   Exit: (216) [system] get_char((0x55772f068e50), ' ')
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1947702)
   Exit: (217) [system] peek_char((0x55772f068e50), 'B')
   Call: (217) [system] 'B'=(;)
   Fail: (217) [system] 'B'=(;)
   Call: (217) [system] 'B'=(/)
   Fail: (217) [system] 'B'=(/)
^  Call: (217) [user] is_like_space('B')
   Call: (218) [system] char_type('B', 'white')
   Fail: (218) [system] char_type('B', 'white')
   Call: (218) [system] char_type('B', end_of_line)
   Fail: (218) [system] char_type('B', end_of_line)
   Call: (218) [system] char_type('B', space)
   Fail: (218) [system] char_type('B', space)
   Call: (218) [system] char_type('B', cntrl)
   Fail: (218) [system] char_type('B', cntrl)
^  Fail: (217) [user] is_like_space('B')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1964636)
   Exit: (215) [system] peek_char((0x55772f068e50), 'B')
   Call: (215) [system] 'B'=')'
   Fail: (215) [system] 'B'=')'
   Call: (215) [system] 'B'=end_of_file
   Fail: (215) [system] 'B'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x55772f068e50), _1970206)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1972064)
   Exit: (217) [system] peek_char((0x55772f068e50), 'B')
   Call: (217) [system] 'B'=(;)
   Fail: (217) [system] 'B'=(;)
   Call: (217) [system] 'B'=(/)
   Fail: (217) [system] 'B'=(/)
^  Call: (217) [user] is_like_space('B')
   Call: (218) [system] char_type('B', 'white')
   Fail: (218) [system] char_type('B', 'white')
   Call: (218) [system] char_type('B', end_of_line)
   Fail: (218) [system] char_type('B', end_of_line)
   Call: (218) [system] char_type('B', space)
   Fail: (218) [system] char_type('B', space)
   Call: (218) [system] char_type('B', cntrl)
   Fail: (218) [system] char_type('B', cntrl)
^  Fail: (217) [user] is_like_space('B')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] get_char((0x55772f068e50), _1988074)
   Exit: (216) [system] get_char((0x55772f068e50), 'B')
   Call: (216) [system] 'B'='('
   Fail: (216) [system] 'B'='('
   Call: (216) [system] 'B'='['
   Fail: (216) [system] 'B'='['
   Call: (216) [system] 'B'='{'
   Fail: (216) [system] 'B'='{'
   Call: (216) [system] 'B'='"'
   Fail: (216) [system] 'B'='"'
   Call: (216) [system] 'B'=!
   Fail: (216) [system] 'B'=!
   Call: (216) [system] 'B'='\''
   Fail: (216) [system] 'B'='\''
   Call: (216) [system] 'B'='`'
   Fail: (216) [system] 'B'='`'
   Call: (216) [system] 'B'=end_of_file
   Fail: (216) [system] 'B'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x55772f068e50), 'B', _1970206)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _2005716)
   Call: (218) [system] peek_char((0x55772f068e50), _2006650)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _2005716=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (217) [user] classify_and_convert_charseq(['B'], _1970206)
^  Call: (218) [user] classify_and_convert_charseq_(['B'], _2015934)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_2016886, _2016888), once(user:catch(read_from_chars(['B'], _2015934), _2016868, fail)), '$restore_trace'(_2016886, _2016888))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_2016886, _2016888))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _2015934), _2016868, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_2015934)
   Fail: (219) [system] atomic(_2015934)
   Call: (219) [system] atom_chars(_2015934, ['B'])
   Exit: (219) [system] atom_chars('B', ['B'])
^  Exit: (218) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (218) [system] integer('B')
   Fail: (218) [system] integer('B')
   Call: (218) [system] _1970206='B'
   Exit: (218) [system] 'B'='B'
^  Exit: (217) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (216) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (215) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (215) [user] read_list(')', (0x55772f068e50), _2030884)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _2032742)
   Exit: (217) [system] peek_char((0x55772f068e50), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x55772f068e50), _2042336)
   Exit: (217) [system] get_char((0x55772f068e50), ' ')
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _2045040)
   Exit: (218) [system] peek_char((0x55772f068e50), 'A')
   Call: (218) [system] 'A'=(;)
   Fail: (218) [system] 'A'=(;)
   Call: (218) [system] 'A'=(/)
   Fail: (218) [system] 'A'=(/)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Fail: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Fail: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Fail: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
   Fail: (219) [system] char_type('A', cntrl)
^  Fail: (218) [user] is_like_space('A')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _2061974)
   Exit: (216) [system] peek_char((0x55772f068e50), 'A')
   Call: (216) [system] 'A'=')'
   Fail: (216) [system] 'A'=')'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x55772f068e50), _2067544)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _2069402)
   Exit: (218) [system] peek_char((0x55772f068e50), 'A')
   Call: (218) [system] 'A'=(;)
   Fail: (218) [system] 'A'=(;)
   Call: (218) [system] 'A'=(/)
   Fail: (218) [system] 'A'=(/)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Fail: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Fail: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Fail: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
   Fail: (219) [system] char_type('A', cntrl)
^  Fail: (218) [user] is_like_space('A')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] get_char((0x55772f068e50), _2085412)
   Exit: (217) [system] get_char((0x55772f068e50), 'A')
   Call: (217) [system] 'A'='('
   Fail: (217) [system] 'A'='('
   Call: (217) [system] 'A'='['
   Fail: (217) [system] 'A'='['
   Call: (217) [system] 'A'='{'
   Fail: (217) [system] 'A'='{'
   Call: (217) [system] 'A'='"'
   Fail: (217) [system] 'A'='"'
   Call: (217) [system] 'A'=!
   Fail: (217) [system] 'A'=!
   Call: (217) [system] 'A'='\''
   Fail: (217) [system] 'A'='\''
   Call: (217) [system] 'A'='`'
   Fail: (217) [system] 'A'='`'
   Call: (217) [system] 'A'=end_of_file
   Fail: (217) [system] 'A'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x55772f068e50), 'A', _5092)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _11344)
   Call: (219) [system] peek_char((0x55772f068e50), _12278)
   Exit: (219) [system] peek_char((0x55772f068e50), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_16998, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _11344=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (218) [user] classify_and_convert_charseq(['A'], _5092)
^  Call: (219) [user] classify_and_convert_charseq_(['A'], _23434)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_24386, _24388), once(user:catch(read_from_chars(['A'], _23434), _24368, fail)), '$restore_trace'(_24386, _24388))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_24386, _24388))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _23434), _24368, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_23434)
   Fail: (220) [system] atomic(_23434)
   Call: (220) [system] atom_chars(_23434, ['A'])
   Exit: (220) [system] atom_chars('A', ['A'])
^  Exit: (219) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (219) [system] integer('A')
   Fail: (219) [system] integer('A')
   Call: (219) [system] _5092='A'
   Exit: (219) [system] 'A'='A'
^  Exit: (218) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (217) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (216) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (216) [user] read_list(')', (0x55772f068e50), _38384)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _40242)
   Exit: (218) [system] peek_char((0x55772f068e50), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
   Call: (218) [system] ')'=(/)
   Fail: (218) [system] ')'=(/)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _56252)
   Exit: (217) [system] peek_char((0x55772f068e50), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x55772f068e50), _60042)
   Exit: (217) [system] get_char((0x55772f068e50), ')')
   Call: (217) [system] _38384=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x55772f068e50), [])
   Call: (216) [system] _5088=['A']
   Exit: (216) [system] ['A']=['A']
^  Exit: (215) [user] read_list(')', (0x55772f068e50), ['A'])
   Call: (215) [system] _5082=['B', 'A']
   Exit: (215) [system] ['B', 'A']=['B', 'A']
^  Exit: (214) [user] read_list(')', (0x55772f068e50), ['B', 'A'])
   Call: (214) [system] _5074=['AndLink', 'B', 'A']
   Exit: (214) [system] ['AndLink', 'B', 'A']=['AndLink', 'B', 'A']
^  Exit: (213) [user] read_list(')', (0x55772f068e50), ['AndLink', 'B', 'A'])
^  Exit: (212) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'B', 'A'])
^  Call: (212) [user] read_list(')', (0x55772f068e50), _73924)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _75782)
   Exit: (214) [system] peek_char((0x55772f068e50), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
   Call: (214) [system] ')'=(/)
   Fail: (214) [system] ')'=(/)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _91792)
   Exit: (213) [system] peek_char((0x55772f068e50), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x55772f068e50), _95582)
   Exit: (213) [system] get_char((0x55772f068e50), ')')
   Call: (213) [system] _73924=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x55772f068e50), [])
   Call: (212) [system] _5070=[['AndLink', 'B', 'A']]
   Exit: (212) [system] [['AndLink', 'B', 'A']]=[['AndLink', 'B', 'A']]
^  Exit: (211) [user] read_list(')', (0x55772f068e50), [['AndLink', 'B', 'A']])
   Call: (211) [system] _5046=[['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']]
   Exit: (211) [system] [['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']]=[['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']]
^  Exit: (210) [user] read_list(')', (0x55772f068e50), [['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']])
   Call: (210) [system] _5038=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']]
   Exit: (210) [system] [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']]=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']]
^  Exit: (209) [user] read_list(')', (0x55772f068e50), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']])
^  Exit: (208) [user] cont_sexpr(')', (0x55772f068e50), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']])
^  Call: (208) [user] read_list(')', (0x55772f068e50), _109464)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _111322)
   Exit: (210) [system] peek_char((0x55772f068e50), '\n')
   Call: (210) [system] '\n'=(;)
   Fail: (210) [system] '\n'=(;)
   Call: (210) [system] '\n'=(/)
   Fail: (210) [system] '\n'=(/)
^  Call: (210) [user] is_like_space('\n')
   Call: (211) [system] char_type('\n', 'white')
   Fail: (211) [system] char_type('\n', 'white')
   Call: (211) [system] char_type('\n', end_of_line)
   Exit: (211) [system] char_type('\n', end_of_line)
^  Exit: (210) [user] is_like_space('\n')
   Call: (210) [system] get_char((0x55772f068e50), _122772)
   Exit: (210) [system] get_char((0x55772f068e50), '\n')
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _125476)
   Exit: (211) [system] peek_char((0x55772f068e50), '\t')
   Call: (211) [system] '\t'=(;)
   Fail: (211) [system] '\t'=(;)
   Call: (211) [system] '\t'=(/)
   Fail: (211) [system] '\t'=(/)
^  Call: (211) [user] is_like_space('\t')
   Call: (212) [system] char_type('\t', 'white')
   Exit: (212) [system] char_type('\t', 'white')
^  Exit: (211) [user] is_like_space('\t')
   Call: (211) [system] get_char((0x55772f068e50), _135070)
   Exit: (211) [system] get_char((0x55772f068e50), '\t')
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _137774)
   Exit: (212) [system] peek_char((0x55772f068e50), '\t')
   Call: (212) [system] '\t'=(;)
   Fail: (212) [system] '\t'=(;)
   Call: (212) [system] '\t'=(/)
   Fail: (212) [system] '\t'=(/)
^  Call: (212) [user] is_like_space('\t')
   Call: (213) [system] char_type('\t', 'white')
   Exit: (213) [system] char_type('\t', 'white')
^  Exit: (212) [user] is_like_space('\t')
   Call: (212) [system] get_char((0x55772f068e50), _147368)
   Exit: (212) [system] get_char((0x55772f068e50), '\t')
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _150072)
   Exit: (213) [system] peek_char((0x55772f068e50), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x55772f068e50), _159666)
   Exit: (213) [system] get_char((0x55772f068e50), ' ')
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _162370)
   Exit: (214) [system] peek_char((0x55772f068e50), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _182076)
   Exit: (209) [system] peek_char((0x55772f068e50), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x55772f068e50), _187646)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _189504)
   Exit: (211) [system] peek_char((0x55772f068e50), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] get_char((0x55772f068e50), _205514)
   Exit: (210) [system] get_char((0x55772f068e50), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x55772f068e50), _187646)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _211084)
   Exit: (212) [system] peek_char((0x55772f068e50), :)
   Call: (212) [system] (:)=(;)
   Fail: (212) [system] (:)=(;)
   Call: (212) [system] (:)=(/)
   Fail: (212) [system] (:)=(/)
^  Call: (212) [user] is_like_space(:)
   Call: (213) [system] char_type(:, 'white')
   Fail: (213) [system] char_type(:, 'white')
   Call: (213) [system] char_type(:, end_of_line)
   Fail: (213) [system] char_type(:, end_of_line)
   Call: (213) [system] char_type(:, space)
   Fail: (213) [system] char_type(:, space)
   Call: (213) [system] char_type(:, cntrl)
   Fail: (213) [system] char_type(:, cntrl)
^  Fail: (212) [user] is_like_space(:)
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _227094)
   Exit: (211) [system] peek_char((0x55772f068e50), :)
   Call: (211) [system] (:)=')'
   Fail: (211) [system] (:)=')'
   Call: (211) [system] (:)=end_of_file
   Fail: (211) [system] (:)=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x55772f068e50), _232664)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _234522)
   Exit: (213) [system] peek_char((0x55772f068e50), :)
   Call: (213) [system] (:)=(;)
   Fail: (213) [system] (:)=(;)
   Call: (213) [system] (:)=(/)
   Fail: (213) [system] (:)=(/)
^  Call: (213) [user] is_like_space(:)
   Call: (214) [system] char_type(:, 'white')
   Fail: (214) [system] char_type(:, 'white')
   Call: (214) [system] char_type(:, end_of_line)
   Fail: (214) [system] char_type(:, end_of_line)
   Call: (214) [system] char_type(:, space)
   Fail: (214) [system] char_type(:, space)
   Call: (214) [system] char_type(:, cntrl)
   Fail: (214) [system] char_type(:, cntrl)
^  Fail: (213) [user] is_like_space(:)
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] get_char((0x55772f068e50), _250532)
   Exit: (212) [system] get_char((0x55772f068e50), :)
   Call: (212) [system] (:)='('
   Fail: (212) [system] (:)='('
   Call: (212) [system] (:)='['
   Fail: (212) [system] (:)='['
   Call: (212) [system] (:)='{'
   Fail: (212) [system] (:)='{'
   Call: (212) [system] (:)='"'
   Fail: (212) [system] (:)='"'
   Call: (212) [system] (:)=!
   Fail: (212) [system] (:)=!
   Call: (212) [system] (:)='\''
   Fail: (212) [system] (:)='\''
   Call: (212) [system] (:)='`'
   Fail: (212) [system] (:)='`'
   Call: (212) [system] (:)=end_of_file
   Fail: (212) [system] (:)=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x55772f068e50), :, _232664)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _268174)
   Call: (214) [system] peek_char((0x55772f068e50), _269108)
   Exit: (214) [system] peek_char((0x55772f068e50), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _268174=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (213) [user] classify_and_convert_charseq([:], _232664)
^  Call: (214) [user] classify_and_convert_charseq_([:], _278392)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_279344, _279346), once(user:catch(read_from_chars([:], _278392), _279326, fail)), '$restore_trace'(_279344, _279346))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_279344, _279346))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _279326, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(:)
   Exit: (215) [system] atomic(:)
^  Exit: (214) [user] classify_and_convert_charseq_([:], :)
   Call: (214) [system] integer(:)
   Fail: (214) [system] integer(:)
   Call: (214) [system] _232664=(:)
   Exit: (214) [system] (:)=(:)
^  Exit: (213) [user] classify_and_convert_charseq([:], :)
^  Exit: (212) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (211) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (211) [user] read_list(')', (0x55772f068e50), _291472)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _293330)
   Exit: (213) [system] peek_char((0x55772f068e50), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x55772f068e50), _302924)
   Exit: (213) [system] get_char((0x55772f068e50), ' ')
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _305628)
   Exit: (214) [system] peek_char((0x55772f068e50), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _322562)
   Exit: (212) [system] peek_char((0x55772f068e50), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x55772f068e50), _328132)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _329990)
   Exit: (214) [system] peek_char((0x55772f068e50), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] get_char((0x55772f068e50), _346000)
   Exit: (213) [system] get_char((0x55772f068e50), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x55772f068e50), _328132)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _351570)
   Exit: (215) [system] peek_char((0x55772f068e50), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
   Call: (215) [system] 'C'=(/)
   Fail: (215) [system] 'C'=(/)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _367580)
   Exit: (214) [system] peek_char((0x55772f068e50), 'C')
   Call: (214) [system] 'C'=')'
   Fail: (214) [system] 'C'=')'
   Call: (214) [system] 'C'=end_of_file
   Fail: (214) [system] 'C'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _373150)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _375008)
   Exit: (216) [system] peek_char((0x55772f068e50), 'C')
   Call: (216) [system] 'C'=(;)
   Fail: (216) [system] 'C'=(;)
   Call: (216) [system] 'C'=(/)
   Fail: (216) [system] 'C'=(/)
^  Call: (216) [user] is_like_space('C')
   Call: (217) [system] char_type('C', 'white')
   Fail: (217) [system] char_type('C', 'white')
   Call: (217) [system] char_type('C', end_of_line)
   Fail: (217) [system] char_type('C', end_of_line)
   Call: (217) [system] char_type('C', space)
   Fail: (217) [system] char_type('C', space)
   Call: (217) [system] char_type('C', cntrl)
   Fail: (217) [system] char_type('C', cntrl)
^  Fail: (216) [user] is_like_space('C')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _391018)
   Exit: (215) [system] get_char((0x55772f068e50), 'C')
   Call: (215) [system] 'C'='('
   Fail: (215) [system] 'C'='('
   Call: (215) [system] 'C'='['
   Fail: (215) [system] 'C'='['
   Call: (215) [system] 'C'='{'
   Fail: (215) [system] 'C'='{'
   Call: (215) [system] 'C'='"'
   Fail: (215) [system] 'C'='"'
   Call: (215) [system] 'C'=!
   Fail: (215) [system] 'C'=!
   Call: (215) [system] 'C'='\''
   Fail: (215) [system] 'C'='\''
   Call: (215) [system] 'C'='`'
   Fail: (215) [system] 'C'='`'
   Call: (215) [system] 'C'=end_of_file
   Fail: (215) [system] 'C'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x55772f068e50), 'C', _373150)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _408660)
   Call: (217) [system] peek_char((0x55772f068e50), _409594)
   Exit: (217) [system] peek_char((0x55772f068e50), o)
^  Call: (217) [user] is_delimiter(o)
   Call: (218) [system] char_type(o, space)
   Fail: (218) [system] char_type(o, space)
   Call: (218) [system] arg(_414314, v('(', ')', end_of_file), o)
   Fail: (218) [system] arg(_415246, v('(', ')', end_of_file), o)
^  Fail: (217) [user] is_delimiter(o)
   Call: (217) [system] ')'==o
   Fail: (217) [system] ')'==o
   Call: (217) [system] get_char((0x55772f068e50), o)
   Exit: (217) [system] get_char((0x55772f068e50), o)
   Call: (217) [system] o=(\)
   Fail: (217) [system] o=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _422596)
   Call: (218) [system] peek_char((0x55772f068e50), _423530)
   Exit: (218) [system] peek_char((0x55772f068e50), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_428250, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_429182, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x55772f068e50), n)
   Exit: (218) [system] get_char((0x55772f068e50), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _436532)
   Call: (219) [system] peek_char((0x55772f068e50), _437466)
   Exit: (219) [system] peek_char((0x55772f068e50), j)
^  Call: (219) [user] is_delimiter(j)
   Call: (220) [system] char_type(j, space)
   Fail: (220) [system] char_type(j, space)
   Call: (220) [system] arg(_442186, v('(', ')', end_of_file), j)
   Fail: (220) [system] arg(_443118, v('(', ')', end_of_file), j)
^  Fail: (219) [user] is_delimiter(j)
   Call: (219) [system] ')'==j
   Fail: (219) [system] ')'==j
   Call: (219) [system] get_char((0x55772f068e50), j)
   Exit: (219) [system] get_char((0x55772f068e50), j)
   Call: (219) [system] j=(\)
   Fail: (219) [system] j=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _450468)
   Call: (220) [system] peek_char((0x55772f068e50), _451402)
   Exit: (220) [system] peek_char((0x55772f068e50), u)
^  Call: (220) [user] is_delimiter(u)
   Call: (221) [system] char_type(u, space)
   Fail: (221) [system] char_type(u, space)
   Call: (221) [system] arg(_456122, v('(', ')', end_of_file), u)
   Fail: (221) [system] arg(_457054, v('(', ')', end_of_file), u)
^  Fail: (220) [user] is_delimiter(u)
   Call: (220) [system] ')'==u
   Fail: (220) [system] ')'==u
   Call: (220) [system] get_char((0x55772f068e50), u)
   Exit: (220) [system] get_char((0x55772f068e50), u)
   Call: (220) [system] u=(\)
   Fail: (220) [system] u=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _464404)
   Call: (221) [system] peek_char((0x55772f068e50), _465338)
   Exit: (221) [system] peek_char((0x55772f068e50), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_470058, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_470990, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x55772f068e50), n)
   Exit: (221) [system] get_char((0x55772f068e50), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _478340)
   Call: (222) [system] peek_char((0x55772f068e50), _479274)
   Exit: (222) [system] peek_char((0x55772f068e50), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_483994, v('(', ')', end_of_file), c)
   Fail: (223) [system] arg(_484926, v('(', ')', end_of_file), c)
^  Fail: (222) [user] is_delimiter(c)
   Call: (222) [system] ')'==c
   Fail: (222) [system] ')'==c
   Call: (222) [system] get_char((0x55772f068e50), c)
   Exit: (222) [system] get_char((0x55772f068e50), c)
   Call: (222) [system] c=(\)
   Fail: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _492276)
   Call: (223) [system] peek_char((0x55772f068e50), _493210)
   Exit: (223) [system] peek_char((0x55772f068e50), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Fail: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_497930, v('(', ')', end_of_file), t)
   Fail: (224) [system] arg(_498862, v('(', ')', end_of_file), t)
^  Fail: (223) [user] is_delimiter(t)
   Call: (223) [system] ')'==t
   Fail: (223) [system] ')'==t
   Call: (223) [system] get_char((0x55772f068e50), t)
   Exit: (223) [system] get_char((0x55772f068e50), t)
   Call: (223) [system] t=(\)
   Fail: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _506212)
   Call: (224) [system] peek_char((0x55772f068e50), _507146)
   Exit: (224) [system] peek_char((0x55772f068e50), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_511866, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_512798, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x55772f068e50), i)
   Exit: (224) [system] get_char((0x55772f068e50), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _520148)
   Call: (225) [system] peek_char((0x55772f068e50), _521082)
   Exit: (225) [system] peek_char((0x55772f068e50), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Fail: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_525802, v('(', ')', end_of_file), o)
   Fail: (226) [system] arg(_526734, v('(', ')', end_of_file), o)
^  Fail: (225) [user] is_delimiter(o)
   Call: (225) [system] ')'==o
   Fail: (225) [system] ')'==o
   Call: (225) [system] get_char((0x55772f068e50), o)
   Exit: (225) [system] get_char((0x55772f068e50), o)
   Call: (225) [system] o=(\)
   Fail: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _534084)
   Call: (226) [system] peek_char((0x55772f068e50), _535018)
   Exit: (226) [system] peek_char((0x55772f068e50), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_539738, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_540670, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x55772f068e50), n)
   Exit: (226) [system] get_char((0x55772f068e50), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _548020)
   Call: (227) [system] peek_char((0x55772f068e50), _548954)
   Exit: (227) [system] peek_char((0x55772f068e50), 'I')
^  Call: (227) [user] is_delimiter('I')
   Call: (228) [system] char_type('I', space)
   Fail: (228) [system] char_type('I', space)
   Call: (228) [system] arg(_553674, v('(', ')', end_of_file), 'I')
   Fail: (228) [system] arg(_554606, v('(', ')', end_of_file), 'I')
^  Fail: (227) [user] is_delimiter('I')
   Call: (227) [system] ')'=='I'
   Fail: (227) [system] ')'=='I'
   Call: (227) [system] get_char((0x55772f068e50), 'I')
   Exit: (227) [system] get_char((0x55772f068e50), 'I')
   Call: (227) [system] 'I'=(\)
   Fail: (227) [system] 'I'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _561956)
   Call: (228) [system] peek_char((0x55772f068e50), _562890)
   Exit: (228) [system] peek_char((0x55772f068e50), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_567610, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_568542, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x55772f068e50), n)
   Exit: (228) [system] get_char((0x55772f068e50), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _575892)
   Call: (229) [system] peek_char((0x55772f068e50), _576826)
   Exit: (229) [system] peek_char((0x55772f068e50), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_581546, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_582478, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x55772f068e50), t)
   Exit: (229) [system] get_char((0x55772f068e50), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _589828)
   Call: (230) [system] peek_char((0x55772f068e50), _590762)
   Exit: (230) [system] peek_char((0x55772f068e50), r)
^  Call: (230) [user] is_delimiter(r)
   Call: (231) [system] char_type(r, space)
   Fail: (231) [system] char_type(r, space)
   Call: (231) [system] arg(_595482, v('(', ')', end_of_file), r)
   Fail: (231) [system] arg(_596414, v('(', ')', end_of_file), r)
^  Fail: (230) [user] is_delimiter(r)
   Call: (230) [system] ')'==r
   Fail: (230) [system] ')'==r
   Call: (230) [system] get_char((0x55772f068e50), r)
   Exit: (230) [system] get_char((0x55772f068e50), r)
   Call: (230) [system] r=(\)
   Fail: (230) [system] r=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _603764)
   Call: (231) [system] peek_char((0x55772f068e50), _604698)
   Exit: (231) [system] peek_char((0x55772f068e50), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_609418, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_610350, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x55772f068e50), o)
   Exit: (231) [system] get_char((0x55772f068e50), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _617700)
   Call: (232) [system] peek_char((0x55772f068e50), _618634)
   Exit: (232) [system] peek_char((0x55772f068e50), d)
^  Call: (232) [user] is_delimiter(d)
   Call: (233) [system] char_type(d, space)
   Fail: (233) [system] char_type(d, space)
   Call: (233) [system] arg(_623354, v('(', ')', end_of_file), d)
   Fail: (233) [system] arg(_624286, v('(', ')', end_of_file), d)
^  Fail: (232) [user] is_delimiter(d)
   Call: (232) [system] ')'==d
   Fail: (232) [system] ')'==d
   Call: (232) [system] get_char((0x55772f068e50), d)
   Exit: (232) [system] get_char((0x55772f068e50), d)
   Call: (232) [system] d=(\)
   Fail: (232) [system] d=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _631636)
   Call: (233) [system] peek_char((0x55772f068e50), _632570)
   Exit: (233) [system] peek_char((0x55772f068e50), u)
^  Call: (233) [user] is_delimiter(u)
   Call: (234) [system] char_type(u, space)
   Fail: (234) [system] char_type(u, space)
   Call: (234) [system] arg(_637290, v('(', ')', end_of_file), u)
   Fail: (234) [system] arg(_638222, v('(', ')', end_of_file), u)
^  Fail: (233) [user] is_delimiter(u)
   Call: (233) [system] ')'==u
   Fail: (233) [system] ')'==u
   Call: (233) [system] get_char((0x55772f068e50), u)
   Exit: (233) [system] get_char((0x55772f068e50), u)
   Call: (233) [system] u=(\)
   Fail: (233) [system] u=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _645572)
   Call: (234) [system] peek_char((0x55772f068e50), _646506)
   Exit: (234) [system] peek_char((0x55772f068e50), c)
^  Call: (234) [user] is_delimiter(c)
   Call: (235) [system] char_type(c, space)
   Fail: (235) [system] char_type(c, space)
   Call: (235) [system] arg(_651226, v('(', ')', end_of_file), c)
   Fail: (235) [system] arg(_652158, v('(', ')', end_of_file), c)
^  Fail: (234) [user] is_delimiter(c)
   Call: (234) [system] ')'==c
   Fail: (234) [system] ')'==c
   Call: (234) [system] get_char((0x55772f068e50), c)
   Exit: (234) [system] get_char((0x55772f068e50), c)
   Call: (234) [system] c=(\)
   Fail: (234) [system] c=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _659508)
   Call: (235) [system] peek_char((0x55772f068e50), _660442)
   Exit: (235) [system] peek_char((0x55772f068e50), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Fail: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_665162, v('(', ')', end_of_file), t)
   Fail: (236) [system] arg(_666094, v('(', ')', end_of_file), t)
^  Fail: (235) [user] is_delimiter(t)
   Call: (235) [system] ')'==t
   Fail: (235) [system] ')'==t
   Call: (235) [system] get_char((0x55772f068e50), t)
   Exit: (235) [system] get_char((0x55772f068e50), t)
   Call: (235) [system] t=(\)
   Fail: (235) [system] t=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _673444)
   Call: (236) [system] peek_char((0x55772f068e50), _674378)
   Exit: (236) [system] peek_char((0x55772f068e50), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Fail: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_679098, v('(', ')', end_of_file), i)
   Fail: (237) [system] arg(_680030, v('(', ')', end_of_file), i)
^  Fail: (236) [user] is_delimiter(i)
   Call: (236) [system] ')'==i
   Fail: (236) [system] ')'==i
   Call: (236) [system] get_char((0x55772f068e50), i)
   Exit: (236) [system] get_char((0x55772f068e50), i)
   Call: (236) [system] i=(\)
   Fail: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _687380)
   Call: (237) [system] peek_char((0x55772f068e50), _688314)
   Exit: (237) [system] peek_char((0x55772f068e50), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Fail: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_693034, v('(', ')', end_of_file), o)
   Fail: (238) [system] arg(_693966, v('(', ')', end_of_file), o)
^  Fail: (237) [user] is_delimiter(o)
   Call: (237) [system] ')'==o
   Fail: (237) [system] ')'==o
   Call: (237) [system] get_char((0x55772f068e50), o)
   Exit: (237) [system] get_char((0x55772f068e50), o)
   Call: (237) [system] o=(\)
   Fail: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _701316)
   Call: (238) [system] peek_char((0x55772f068e50), _702250)
   Exit: (238) [system] peek_char((0x55772f068e50), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Fail: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_706970, v('(', ')', end_of_file), n)
   Fail: (239) [system] arg(_707902, v('(', ')', end_of_file), n)
^  Fail: (238) [user] is_delimiter(n)
   Call: (238) [system] ')'==n
   Fail: (238) [system] ')'==n
   Call: (238) [system] get_char((0x55772f068e50), n)
   Exit: (238) [system] get_char((0x55772f068e50), n)
   Call: (238) [system] n=(\)
   Fail: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _715252)
   Call: (239) [system] peek_char((0x55772f068e50), _716186)
   Exit: (239) [system] peek_char((0x55772f068e50), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _715252=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (238) [system] _701316=[n]
   Exit: (238) [system] [n]=[n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (237) [system] _687380=[o, n]
   Exit: (237) [system] [o, n]=[o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (236) [system] _673444=[i, o, n]
   Exit: (236) [system] [i, o, n]=[i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (235) [system] _659508=[t, i, o, n]
   Exit: (235) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (234) [system] _645572=[c, t, i, o, n]
   Exit: (234) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (233) [system] _631636=[u, c, t, i, o, n]
   Exit: (233) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (232) [system] _617700=[d, u, c, t, i, o, n]
   Exit: (232) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (231) [system] _603764=[o, d, u, c, t, i, o, n]
   Exit: (231) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (230) [system] _589828=[r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _575892=[t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _561956=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _548020=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _534084=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _520148=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _506212=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _492276=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _478340=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _464404=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _450468=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _436532=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _422596=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _408660=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (216) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _373150)
^  Call: (217) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _786938)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_787890, _787892), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _786938), _787872, fail)), '$restore_trace'(_787890, _787892))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_787890, _787892))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _786938), _787872, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_786938)
   Fail: (218) [system] atomic(_786938)
   Call: (218) [system] atom_chars(_786938, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (218) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (217) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (217) [system] integer('ConjunctionIntroduction')
   Fail: (217) [system] integer('ConjunctionIntroduction')
   Call: (217) [system] _373150='ConjunctionIntroduction'
   Exit: (217) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (216) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (215) [user] read_symbolic(')', (0x55772f068e50), 'C', 'ConjunctionIntroduction')
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), 'ConjunctionIntroduction')
^  Call: (214) [user] read_list(')', (0x55772f068e50), _801888)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _803746)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x55772f068e50), _813340)
   Exit: (216) [system] get_char((0x55772f068e50), ' ')
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _816044)
   Exit: (217) [system] peek_char((0x55772f068e50), a)
   Call: (217) [system] a=(;)
   Fail: (217) [system] a=(;)
   Call: (217) [system] a=(/)
   Fail: (217) [system] a=(/)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Fail: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Fail: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
   Fail: (218) [system] char_type(a, cntrl)
^  Fail: (217) [user] is_like_space(a)
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _832978)
   Exit: (215) [system] peek_char((0x55772f068e50), a)
   Call: (215) [system] a=')'
   Fail: (215) [system] a=')'
   Call: (215) [system] a=end_of_file
   Fail: (215) [system] a=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x55772f068e50), _838548)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _840406)
   Exit: (217) [system] peek_char((0x55772f068e50), a)
   Call: (217) [system] a=(;)
   Fail: (217) [system] a=(;)
   Call: (217) [system] a=(/)
   Fail: (217) [system] a=(/)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Fail: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Fail: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
   Fail: (218) [system] char_type(a, cntrl)
^  Fail: (217) [user] is_like_space(a)
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] get_char((0x55772f068e50), _856416)
   Exit: (216) [system] get_char((0x55772f068e50), a)
   Call: (216) [system] a='('
   Fail: (216) [system] a='('
   Call: (216) [system] a='['
   Fail: (216) [system] a='['
   Call: (216) [system] a='{'
   Fail: (216) [system] a='{'
   Call: (216) [system] a='"'
   Fail: (216) [system] a='"'
   Call: (216) [system] a=!
   Fail: (216) [system] a=!
   Call: (216) [system] a='\''
   Fail: (216) [system] a='\''
   Call: (216) [system] a='`'
   Fail: (216) [system] a='`'
   Call: (216) [system] a=end_of_file
   Fail: (216) [system] a=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x55772f068e50), a, _838548)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _874058)
   Call: (218) [system] peek_char((0x55772f068e50), _874992)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _874058=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (217) [user] classify_and_convert_charseq([a], _838548)
^  Call: (218) [user] classify_and_convert_charseq_([a], _884276)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_885228, _885230), once(user:catch(read_from_chars([a], _884276), _885210, fail)), '$restore_trace'(_885228, _885230))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_885228, _885230))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _885210, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(a)
   Exit: (219) [system] atomic(a)
^  Exit: (218) [user] classify_and_convert_charseq_([a], a)
   Call: (218) [system] integer(a)
   Fail: (218) [system] integer(a)
   Call: (218) [system] _838548=a
   Exit: (218) [system] a=a
^  Exit: (217) [user] classify_and_convert_charseq([a], a)
^  Exit: (216) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (215) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (215) [user] read_list(')', (0x55772f068e50), _897356)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _899214)
   Exit: (217) [system] peek_char((0x55772f068e50), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x55772f068e50), _908808)
   Exit: (217) [system] get_char((0x55772f068e50), ' ')
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _911512)
   Exit: (218) [system] peek_char((0x55772f068e50), a)
   Call: (218) [system] a=(;)
   Fail: (218) [system] a=(;)
   Call: (218) [system] a=(/)
   Fail: (218) [system] a=(/)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Fail: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Fail: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
   Fail: (219) [system] char_type(a, cntrl)
^  Fail: (218) [user] is_like_space(a)
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _928446)
   Exit: (216) [system] peek_char((0x55772f068e50), a)
   Call: (216) [system] a=')'
   Fail: (216) [system] a=')'
   Call: (216) [system] a=end_of_file
   Fail: (216) [system] a=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x55772f068e50), _934016)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _935874)
   Exit: (218) [system] peek_char((0x55772f068e50), a)
   Call: (218) [system] a=(;)
   Fail: (218) [system] a=(;)
   Call: (218) [system] a=(/)
   Fail: (218) [system] a=(/)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Fail: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Fail: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
   Fail: (219) [system] char_type(a, cntrl)
^  Fail: (218) [user] is_like_space(a)
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] get_char((0x55772f068e50), _951884)
   Exit: (217) [system] get_char((0x55772f068e50), a)
   Call: (217) [system] a='('
   Fail: (217) [system] a='('
   Call: (217) [system] a='['
   Fail: (217) [system] a='['
   Call: (217) [system] a='{'
   Fail: (217) [system] a='{'
   Call: (217) [system] a='"'
   Fail: (217) [system] a='"'
   Call: (217) [system] a=!
   Fail: (217) [system] a=!
   Call: (217) [system] a='\''
   Fail: (217) [system] a='\''
   Call: (217) [system] a='`'
   Fail: (217) [system] a='`'
   Call: (217) [system] a=end_of_file
   Fail: (217) [system] a=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x55772f068e50), a, _934016)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _969526)
   Call: (219) [system] peek_char((0x55772f068e50), _970460)
   Exit: (219) [system] peek_char((0x55772f068e50), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_975180, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _969526=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (218) [user] classify_and_convert_charseq([a], _934016)
^  Call: (219) [user] classify_and_convert_charseq_([a], _981616)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_982568, _982570), once(user:catch(read_from_chars([a], _981616), _982550, fail)), '$restore_trace'(_982568, _982570))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_982568, _982570))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _982550, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(a)
   Exit: (220) [system] atomic(a)
^  Exit: (219) [user] classify_and_convert_charseq_([a], a)
   Call: (219) [system] integer(a)
   Fail: (219) [system] integer(a)
   Call: (219) [system] _934016=a
   Exit: (219) [system] a=a
^  Exit: (218) [user] classify_and_convert_charseq([a], a)
^  Exit: (217) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (216) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (216) [user] read_list(')', (0x55772f068e50), _994696)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _996554)
   Exit: (218) [system] peek_char((0x55772f068e50), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
   Call: (218) [system] ')'=(/)
   Fail: (218) [system] ')'=(/)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1012564)
   Exit: (217) [system] peek_char((0x55772f068e50), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x55772f068e50), _1016354)
   Exit: (217) [system] get_char((0x55772f068e50), ')')
   Call: (217) [system] _994696=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x55772f068e50), [])
   Call: (216) [system] _897356=[a]
   Exit: (216) [system] [a]=[a]
^  Exit: (215) [user] read_list(')', (0x55772f068e50), [a])
   Call: (215) [system] _801888=[a, a]
   Exit: (215) [system] [a, a]=[a, a]
^  Exit: (214) [user] read_list(')', (0x55772f068e50), [a, a])
   Call: (214) [system] _328132=['ConjunctionIntroduction', a, a]
   Exit: (214) [system] ['ConjunctionIntroduction', a, a]=['ConjunctionIntroduction', a, a]
^  Exit: (213) [user] read_list(')', (0x55772f068e50), ['ConjunctionIntroduction', a, a])
^  Exit: (212) [user] cont_sexpr(')', (0x55772f068e50), ['ConjunctionIntroduction', a, a])
^  Call: (212) [user] read_list(')', (0x55772f068e50), _1030236)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1032094)
   Exit: (214) [system] peek_char((0x55772f068e50), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x55772f068e50), _1041688)
   Exit: (214) [system] get_char((0x55772f068e50), ' ')
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1044392)
   Exit: (215) [system] peek_char((0x55772f068e50), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1061326)
   Exit: (213) [system] peek_char((0x55772f068e50), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _1066896)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1068754)
   Exit: (215) [system] peek_char((0x55772f068e50), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _1084764)
   Exit: (214) [system] get_char((0x55772f068e50), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x55772f068e50), _1066896)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1090334)
   Exit: (216) [system] peek_char((0x55772f068e50), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
   Call: (216) [system] 'A'=(/)
   Fail: (216) [system] 'A'=(/)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1106344)
   Exit: (215) [system] peek_char((0x55772f068e50), 'A')
   Call: (215) [system] 'A'=')'
   Fail: (215) [system] 'A'=')'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x55772f068e50), _1111914)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1113772)
   Exit: (217) [system] peek_char((0x55772f068e50), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
   Call: (217) [system] 'A'=(/)
   Fail: (217) [system] 'A'=(/)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] get_char((0x55772f068e50), _1129782)
   Exit: (216) [system] get_char((0x55772f068e50), 'A')
   Call: (216) [system] 'A'='('
   Fail: (216) [system] 'A'='('
   Call: (216) [system] 'A'='['
   Fail: (216) [system] 'A'='['
   Call: (216) [system] 'A'='{'
   Fail: (216) [system] 'A'='{'
   Call: (216) [system] 'A'='"'
   Fail: (216) [system] 'A'='"'
   Call: (216) [system] 'A'=!
   Fail: (216) [system] 'A'=!
   Call: (216) [system] 'A'='\''
   Fail: (216) [system] 'A'='\''
   Call: (216) [system] 'A'='`'
   Fail: (216) [system] 'A'='`'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x55772f068e50), 'A', _1111914)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1147424)
   Call: (218) [system] peek_char((0x55772f068e50), _1148358)
   Exit: (218) [system] peek_char((0x55772f068e50), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1153078, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_1154010, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x55772f068e50), n)
   Exit: (218) [system] get_char((0x55772f068e50), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1161360)
   Call: (219) [system] peek_char((0x55772f068e50), _1162294)
   Exit: (219) [system] peek_char((0x55772f068e50), d)
^  Call: (219) [user] is_delimiter(d)
   Call: (220) [system] char_type(d, space)
   Fail: (220) [system] char_type(d, space)
   Call: (220) [system] arg(_1167014, v('(', ')', end_of_file), d)
   Fail: (220) [system] arg(_1167946, v('(', ')', end_of_file), d)
^  Fail: (219) [user] is_delimiter(d)
   Call: (219) [system] ')'==d
   Fail: (219) [system] ')'==d
   Call: (219) [system] get_char((0x55772f068e50), d)
   Exit: (219) [system] get_char((0x55772f068e50), d)
   Call: (219) [system] d=(\)
   Fail: (219) [system] d=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1175296)
   Call: (220) [system] peek_char((0x55772f068e50), _1176230)
   Exit: (220) [system] peek_char((0x55772f068e50), 'L')
^  Call: (220) [user] is_delimiter('L')
   Call: (221) [system] char_type('L', space)
   Fail: (221) [system] char_type('L', space)
   Call: (221) [system] arg(_1180950, v('(', ')', end_of_file), 'L')
   Fail: (221) [system] arg(_1181882, v('(', ')', end_of_file), 'L')
^  Fail: (220) [user] is_delimiter('L')
   Call: (220) [system] ')'=='L'
   Fail: (220) [system] ')'=='L'
   Call: (220) [system] get_char((0x55772f068e50), 'L')
   Exit: (220) [system] get_char((0x55772f068e50), 'L')
   Call: (220) [system] 'L'=(\)
   Fail: (220) [system] 'L'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1189232)
   Call: (221) [system] peek_char((0x55772f068e50), _1190166)
   Exit: (221) [system] peek_char((0x55772f068e50), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1194886, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1195818, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x55772f068e50), i)
   Exit: (221) [system] get_char((0x55772f068e50), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1203168)
   Call: (222) [system] peek_char((0x55772f068e50), _1204102)
   Exit: (222) [system] peek_char((0x55772f068e50), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1208822, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1209754, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x55772f068e50), n)
   Exit: (222) [system] get_char((0x55772f068e50), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1217104)
   Call: (223) [system] peek_char((0x55772f068e50), _1218038)
   Exit: (223) [system] peek_char((0x55772f068e50), k)
^  Call: (223) [user] is_delimiter(k)
   Call: (224) [system] char_type(k, space)
   Fail: (224) [system] char_type(k, space)
   Call: (224) [system] arg(_1222758, v('(', ')', end_of_file), k)
   Fail: (224) [system] arg(_1223690, v('(', ')', end_of_file), k)
^  Fail: (223) [user] is_delimiter(k)
   Call: (223) [system] ')'==k
   Fail: (223) [system] ')'==k
   Call: (223) [system] get_char((0x55772f068e50), k)
   Exit: (223) [system] get_char((0x55772f068e50), k)
   Call: (223) [system] k=(\)
   Fail: (223) [system] k=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1231040)
   Call: (224) [system] peek_char((0x55772f068e50), _1231974)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1231040=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (223) [system] _1217104=[k]
   Exit: (223) [system] [k]=[k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (222) [system] _1203168=[n, k]
   Exit: (222) [system] [n, k]=[n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (221) [system] _1189232=[i, n, k]
   Exit: (221) [system] [i, n, k]=[i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (220) [system] _1175296=['L', i, n, k]
   Exit: (220) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (219) [system] _1161360=[d, 'L', i, n, k]
   Exit: (219) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (218) [system] _1147424=[n, d, 'L', i, n, k]
   Exit: (218) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (217) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1111914)
^  Call: (218) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1258022)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1258974, _1258976), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1258022), _1258956, fail)), '$restore_trace'(_1258974, _1258976))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1258974, _1258976))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1258022), _1258956, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1258022)
   Fail: (219) [system] atomic(_1258022)
   Call: (219) [system] atom_chars(_1258022, ['A', n, d, 'L', i, n, k])
   Exit: (219) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (218) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (218) [system] integer('AndLink')
   Fail: (218) [system] integer('AndLink')
   Call: (218) [system] _1111914='AndLink'
   Exit: (218) [system] 'AndLink'='AndLink'
^  Exit: (217) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (216) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (215) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (215) [user] read_list(')', (0x55772f068e50), _1272972)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1274830)
   Exit: (217) [system] peek_char((0x55772f068e50), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x55772f068e50), _1284424)
   Exit: (217) [system] get_char((0x55772f068e50), ' ')
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1287128)
   Exit: (218) [system] peek_char((0x55772f068e50), 'B')
   Call: (218) [system] 'B'=(;)
   Fail: (218) [system] 'B'=(;)
   Call: (218) [system] 'B'=(/)
   Fail: (218) [system] 'B'=(/)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Fail: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Fail: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Fail: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
   Fail: (219) [system] char_type('B', cntrl)
^  Fail: (218) [user] is_like_space('B')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1304062)
   Exit: (216) [system] peek_char((0x55772f068e50), 'B')
   Call: (216) [system] 'B'=')'
   Fail: (216) [system] 'B'=')'
   Call: (216) [system] 'B'=end_of_file
   Fail: (216) [system] 'B'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x55772f068e50), _1309632)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1311490)
   Exit: (218) [system] peek_char((0x55772f068e50), 'B')
   Call: (218) [system] 'B'=(;)
   Fail: (218) [system] 'B'=(;)
   Call: (218) [system] 'B'=(/)
   Fail: (218) [system] 'B'=(/)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Fail: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Fail: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Fail: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
   Fail: (219) [system] char_type('B', cntrl)
^  Fail: (218) [user] is_like_space('B')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] get_char((0x55772f068e50), _1327500)
   Exit: (217) [system] get_char((0x55772f068e50), 'B')
   Call: (217) [system] 'B'='('
   Fail: (217) [system] 'B'='('
   Call: (217) [system] 'B'='['
   Fail: (217) [system] 'B'='['
   Call: (217) [system] 'B'='{'
   Fail: (217) [system] 'B'='{'
   Call: (217) [system] 'B'='"'
   Fail: (217) [system] 'B'='"'
   Call: (217) [system] 'B'=!
   Fail: (217) [system] 'B'=!
   Call: (217) [system] 'B'='\''
   Fail: (217) [system] 'B'='\''
   Call: (217) [system] 'B'='`'
   Fail: (217) [system] 'B'='`'
   Call: (217) [system] 'B'=end_of_file
   Fail: (217) [system] 'B'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x55772f068e50), 'B', _1309632)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1345142)
   Call: (219) [system] peek_char((0x55772f068e50), _1346076)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _1345142=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (218) [user] classify_and_convert_charseq(['B'], _1309632)
^  Call: (219) [user] classify_and_convert_charseq_(['B'], _1355360)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1356312, _1356314), once(user:catch(read_from_chars(['B'], _1355360), _1356294, fail)), '$restore_trace'(_1356312, _1356314))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1356312, _1356314))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1355360), _1356294, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1355360)
   Fail: (220) [system] atomic(_1355360)
   Call: (220) [system] atom_chars(_1355360, ['B'])
   Exit: (220) [system] atom_chars('B', ['B'])
^  Exit: (219) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (219) [system] integer('B')
   Fail: (219) [system] integer('B')
   Call: (219) [system] _1309632='B'
   Exit: (219) [system] 'B'='B'
^  Exit: (218) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (217) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (216) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (216) [user] read_list(')', (0x55772f068e50), _1370310)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1372168)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x55772f068e50), _1381762)
   Exit: (218) [system] get_char((0x55772f068e50), ' ')
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1384466)
   Exit: (219) [system] peek_char((0x55772f068e50), 'B')
   Call: (219) [system] 'B'=(;)
   Fail: (219) [system] 'B'=(;)
   Call: (219) [system] 'B'=(/)
   Fail: (219) [system] 'B'=(/)
^  Call: (219) [user] is_like_space('B')
   Call: (220) [system] char_type('B', 'white')
   Fail: (220) [system] char_type('B', 'white')
   Call: (220) [system] char_type('B', end_of_line)
   Fail: (220) [system] char_type('B', end_of_line)
   Call: (220) [system] char_type('B', space)
   Fail: (220) [system] char_type('B', space)
   Call: (220) [system] char_type('B', cntrl)
   Fail: (220) [system] char_type('B', cntrl)
^  Fail: (219) [user] is_like_space('B')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1401400)
   Exit: (217) [system] peek_char((0x55772f068e50), 'B')
   Call: (217) [system] 'B'=')'
   Fail: (217) [system] 'B'=')'
   Call: (217) [system] 'B'=end_of_file
   Fail: (217) [system] 'B'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _1406970)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1408828)
   Exit: (219) [system] peek_char((0x55772f068e50), 'B')
   Call: (219) [system] 'B'=(;)
   Fail: (219) [system] 'B'=(;)
   Call: (219) [system] 'B'=(/)
   Fail: (219) [system] 'B'=(/)
^  Call: (219) [user] is_like_space('B')
   Call: (220) [system] char_type('B', 'white')
   Fail: (220) [system] char_type('B', 'white')
   Call: (220) [system] char_type('B', end_of_line)
   Fail: (220) [system] char_type('B', end_of_line)
   Call: (220) [system] char_type('B', space)
   Fail: (220) [system] char_type('B', space)
   Call: (220) [system] char_type('B', cntrl)
   Fail: (220) [system] char_type('B', cntrl)
^  Fail: (219) [user] is_like_space('B')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _1424838)
   Exit: (218) [system] get_char((0x55772f068e50), 'B')
   Call: (218) [system] 'B'='('
   Fail: (218) [system] 'B'='('
   Call: (218) [system] 'B'='['
   Fail: (218) [system] 'B'='['
   Call: (218) [system] 'B'='{'
   Fail: (218) [system] 'B'='{'
   Call: (218) [system] 'B'='"'
   Fail: (218) [system] 'B'='"'
   Call: (218) [system] 'B'=!
   Fail: (218) [system] 'B'=!
   Call: (218) [system] 'B'='\''
   Fail: (218) [system] 'B'='\''
   Call: (218) [system] 'B'='`'
   Fail: (218) [system] 'B'='`'
   Call: (218) [system] 'B'=end_of_file
   Fail: (218) [system] 'B'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x55772f068e50), 'B', _1406970)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1442480)
   Call: (220) [system] peek_char((0x55772f068e50), _1443414)
   Exit: (220) [system] peek_char((0x55772f068e50), ')')
^  Call: (220) [user] is_delimiter(')')
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] arg(_1448134, v('(', ')', end_of_file), ')')
   Exit: (221) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (220) [user] is_delimiter(')')
   Call: (220) [system] _1442480=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (219) [user] classify_and_convert_charseq(['B'], _1406970)
^  Call: (220) [user] classify_and_convert_charseq_(['B'], _1454570)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1455522, _1455524), once(user:catch(read_from_chars(['B'], _1454570), _1455504, fail)), '$restore_trace'(_1455522, _1455524))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1455522, _1455524))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1454570), _1455504, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_1454570)
   Fail: (221) [system] atomic(_1454570)
   Call: (221) [system] atom_chars(_1454570, ['B'])
   Exit: (221) [system] atom_chars('B', ['B'])
^  Exit: (220) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (220) [system] integer('B')
   Fail: (220) [system] integer('B')
   Call: (220) [system] _1406970='B'
   Exit: (220) [system] 'B'='B'
^  Exit: (219) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (218) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (217) [user] read_list(')', (0x55772f068e50), _1469520)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1471378)
   Exit: (219) [system] peek_char((0x55772f068e50), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
   Call: (219) [system] ')'=(/)
   Fail: (219) [system] ')'=(/)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1487388)
   Exit: (218) [system] peek_char((0x55772f068e50), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x55772f068e50), _1491178)
   Exit: (218) [system] get_char((0x55772f068e50), ')')
   Call: (218) [system] _1469520=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x55772f068e50), [])
   Call: (217) [system] _1370310=['B']
   Exit: (217) [system] ['B']=['B']
^  Exit: (216) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (216) [system] _1272972=['B', 'B']
   Exit: (216) [system] ['B', 'B']=['B', 'B']
^  Exit: (215) [user] read_list(')', (0x55772f068e50), ['B', 'B'])
   Call: (215) [system] _1066896=['AndLink', 'B', 'B']
   Exit: (215) [system] ['AndLink', 'B', 'B']=['AndLink', 'B', 'B']
^  Exit: (214) [user] read_list(')', (0x55772f068e50), ['AndLink', 'B', 'B'])
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'B', 'B'])
^  Call: (213) [user] read_list(')', (0x55772f068e50), _1505060)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1506918)
   Exit: (215) [system] peek_char((0x55772f068e50), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1522928)
   Exit: (214) [system] peek_char((0x55772f068e50), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x55772f068e50), _1526718)
   Exit: (214) [system] get_char((0x55772f068e50), ')')
   Call: (214) [system] _1505060=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x55772f068e50), [])
   Call: (213) [system] _1030236=[['AndLink', 'B', 'B']]
   Exit: (213) [system] [['AndLink', 'B', 'B']]=[['AndLink', 'B', 'B']]
^  Exit: (212) [user] read_list(')', (0x55772f068e50), [['AndLink', 'B', 'B']])
   Call: (212) [system] _291472=[['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']]
   Exit: (212) [system] [['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']]=[['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']]
^  Exit: (211) [user] read_list(')', (0x55772f068e50), [['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']])
   Call: (211) [system] _187646=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']]
   Exit: (211) [system] [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']]=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']]
^  Exit: (210) [user] read_list(')', (0x55772f068e50), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']])
^  Exit: (209) [user] cont_sexpr(')', (0x55772f068e50), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']])
^  Call: (209) [user] read_list(')', (0x55772f068e50), _1540600)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1542458)
   Exit: (211) [system] peek_char((0x55772f068e50), '\n')
   Call: (211) [system] '\n'=(;)
   Fail: (211) [system] '\n'=(;)
   Call: (211) [system] '\n'=(/)
   Fail: (211) [system] '\n'=(/)
^  Call: (211) [user] is_like_space('\n')
   Call: (212) [system] char_type('\n', 'white')
   Fail: (212) [system] char_type('\n', 'white')
   Call: (212) [system] char_type('\n', end_of_line)
   Exit: (212) [system] char_type('\n', end_of_line)
^  Exit: (211) [user] is_like_space('\n')
   Call: (211) [system] get_char((0x55772f068e50), _1553908)
   Exit: (211) [system] get_char((0x55772f068e50), '\n')
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1556612)
   Exit: (212) [system] peek_char((0x55772f068e50), '\t')
   Call: (212) [system] '\t'=(;)
   Fail: (212) [system] '\t'=(;)
   Call: (212) [system] '\t'=(/)
   Fail: (212) [system] '\t'=(/)
^  Call: (212) [user] is_like_space('\t')
   Call: (213) [system] char_type('\t', 'white')
   Exit: (213) [system] char_type('\t', 'white')
^  Exit: (212) [user] is_like_space('\t')
   Call: (212) [system] get_char((0x55772f068e50), _1566206)
   Exit: (212) [system] get_char((0x55772f068e50), '\t')
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1568910)
   Exit: (213) [system] peek_char((0x55772f068e50), '\t')
   Call: (213) [system] '\t'=(;)
   Fail: (213) [system] '\t'=(;)
   Call: (213) [system] '\t'=(/)
   Fail: (213) [system] '\t'=(/)
^  Call: (213) [user] is_like_space('\t')
   Call: (214) [system] char_type('\t', 'white')
   Exit: (214) [system] char_type('\t', 'white')
^  Exit: (213) [user] is_like_space('\t')
   Call: (213) [system] get_char((0x55772f068e50), _1578504)
   Exit: (213) [system] get_char((0x55772f068e50), '\t')
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1581208)
   Exit: (214) [system] peek_char((0x55772f068e50), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x55772f068e50), _1590802)
   Exit: (214) [system] get_char((0x55772f068e50), ' ')
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1593506)
   Exit: (215) [system] peek_char((0x55772f068e50), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1613212)
   Exit: (210) [system] peek_char((0x55772f068e50), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x55772f068e50), _1618782)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1620640)
   Exit: (212) [system] peek_char((0x55772f068e50), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] get_char((0x55772f068e50), _1636650)
   Exit: (211) [system] get_char((0x55772f068e50), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x55772f068e50), _1618782)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1642220)
   Exit: (213) [system] peek_char((0x55772f068e50), :)
   Call: (213) [system] (:)=(;)
   Fail: (213) [system] (:)=(;)
   Call: (213) [system] (:)=(/)
   Fail: (213) [system] (:)=(/)
^  Call: (213) [user] is_like_space(:)
   Call: (214) [system] char_type(:, 'white')
   Fail: (214) [system] char_type(:, 'white')
   Call: (214) [system] char_type(:, end_of_line)
   Fail: (214) [system] char_type(:, end_of_line)
   Call: (214) [system] char_type(:, space)
   Fail: (214) [system] char_type(:, space)
   Call: (214) [system] char_type(:, cntrl)
   Fail: (214) [system] char_type(:, cntrl)
^  Fail: (213) [user] is_like_space(:)
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1658230)
   Exit: (212) [system] peek_char((0x55772f068e50), :)
   Call: (212) [system] (:)=')'
   Fail: (212) [system] (:)=')'
   Call: (212) [system] (:)=end_of_file
   Fail: (212) [system] (:)=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x55772f068e50), _1663800)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1665658)
   Exit: (214) [system] peek_char((0x55772f068e50), :)
   Call: (214) [system] (:)=(;)
   Fail: (214) [system] (:)=(;)
   Call: (214) [system] (:)=(/)
   Fail: (214) [system] (:)=(/)
^  Call: (214) [user] is_like_space(:)
   Call: (215) [system] char_type(:, 'white')
   Fail: (215) [system] char_type(:, 'white')
   Call: (215) [system] char_type(:, end_of_line)
   Fail: (215) [system] char_type(:, end_of_line)
   Call: (215) [system] char_type(:, space)
   Fail: (215) [system] char_type(:, space)
   Call: (215) [system] char_type(:, cntrl)
   Fail: (215) [system] char_type(:, cntrl)
^  Fail: (214) [user] is_like_space(:)
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] get_char((0x55772f068e50), _1681668)
   Exit: (213) [system] get_char((0x55772f068e50), :)
   Call: (213) [system] (:)='('
   Fail: (213) [system] (:)='('
   Call: (213) [system] (:)='['
   Fail: (213) [system] (:)='['
   Call: (213) [system] (:)='{'
   Fail: (213) [system] (:)='{'
   Call: (213) [system] (:)='"'
   Fail: (213) [system] (:)='"'
   Call: (213) [system] (:)=!
   Fail: (213) [system] (:)=!
   Call: (213) [system] (:)='\''
   Fail: (213) [system] (:)='\''
   Call: (213) [system] (:)='`'
   Fail: (213) [system] (:)='`'
   Call: (213) [system] (:)=end_of_file
   Fail: (213) [system] (:)=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x55772f068e50), :, _1663800)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1699310)
   Call: (215) [system] peek_char((0x55772f068e50), _1700244)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1699310=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (214) [user] classify_and_convert_charseq([:], _1663800)
^  Call: (215) [user] classify_and_convert_charseq_([:], _1709528)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1710480, _1710482), once(user:catch(read_from_chars([:], _1709528), _1710462, fail)), '$restore_trace'(_1710480, _1710482))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1710480, _1710482))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1710462, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(:)
   Exit: (216) [system] atomic(:)
^  Exit: (215) [user] classify_and_convert_charseq_([:], :)
   Call: (215) [system] integer(:)
   Fail: (215) [system] integer(:)
   Call: (215) [system] _1663800=(:)
   Exit: (215) [system] (:)=(:)
^  Exit: (214) [user] classify_and_convert_charseq([:], :)
^  Exit: (213) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (212) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (212) [user] read_list(')', (0x55772f068e50), _1722608)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1724466)
   Exit: (214) [system] peek_char((0x55772f068e50), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x55772f068e50), _1734060)
   Exit: (214) [system] get_char((0x55772f068e50), ' ')
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1736764)
   Exit: (215) [system] peek_char((0x55772f068e50), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1753698)
   Exit: (213) [system] peek_char((0x55772f068e50), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _1759268)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1761126)
   Exit: (215) [system] peek_char((0x55772f068e50), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _1777136)
   Exit: (214) [system] get_char((0x55772f068e50), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x55772f068e50), _1759268)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1782706)
   Exit: (216) [system] peek_char((0x55772f068e50), 'D')
   Call: (216) [system] 'D'=(;)
   Fail: (216) [system] 'D'=(;)
   Call: (216) [system] 'D'=(/)
   Fail: (216) [system] 'D'=(/)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Fail: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Fail: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Fail: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
   Fail: (217) [system] char_type('D', cntrl)
^  Fail: (216) [user] is_like_space('D')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1798716)
   Exit: (215) [system] peek_char((0x55772f068e50), 'D')
   Call: (215) [system] 'D'=')'
   Fail: (215) [system] 'D'=')'
   Call: (215) [system] 'D'=end_of_file
   Fail: (215) [system] 'D'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x55772f068e50), _1804286)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1806144)
   Exit: (217) [system] peek_char((0x55772f068e50), 'D')
   Call: (217) [system] 'D'=(;)
   Fail: (217) [system] 'D'=(;)
   Call: (217) [system] 'D'=(/)
   Fail: (217) [system] 'D'=(/)
^  Call: (217) [user] is_like_space('D')
   Call: (218) [system] char_type('D', 'white')
   Fail: (218) [system] char_type('D', 'white')
   Call: (218) [system] char_type('D', end_of_line)
   Fail: (218) [system] char_type('D', end_of_line)
   Call: (218) [system] char_type('D', space)
   Fail: (218) [system] char_type('D', space)
   Call: (218) [system] char_type('D', cntrl)
   Fail: (218) [system] char_type('D', cntrl)
^  Fail: (217) [user] is_like_space('D')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] get_char((0x55772f068e50), _1822154)
   Exit: (216) [system] get_char((0x55772f068e50), 'D')
   Call: (216) [system] 'D'='('
   Fail: (216) [system] 'D'='('
   Call: (216) [system] 'D'='['
   Fail: (216) [system] 'D'='['
   Call: (216) [system] 'D'='{'
   Fail: (216) [system] 'D'='{'
   Call: (216) [system] 'D'='"'
   Fail: (216) [system] 'D'='"'
   Call: (216) [system] 'D'=!
   Fail: (216) [system] 'D'=!
   Call: (216) [system] 'D'='\''
   Fail: (216) [system] 'D'='\''
   Call: (216) [system] 'D'='`'
   Fail: (216) [system] 'D'='`'
   Call: (216) [system] 'D'=end_of_file
   Fail: (216) [system] 'D'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x55772f068e50), 'D', _1804286)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1839796)
   Call: (218) [system] peek_char((0x55772f068e50), _1840730)
   Exit: (218) [system] peek_char((0x55772f068e50), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_1845450, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_1846382, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x55772f068e50), i)
   Exit: (218) [system] get_char((0x55772f068e50), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1853732)
   Call: (219) [system] peek_char((0x55772f068e50), _1854666)
   Exit: (219) [system] peek_char((0x55772f068e50), s)
^  Call: (219) [user] is_delimiter(s)
   Call: (220) [system] char_type(s, space)
   Fail: (220) [system] char_type(s, space)
   Call: (220) [system] arg(_1859386, v('(', ')', end_of_file), s)
   Fail: (220) [system] arg(_1860318, v('(', ')', end_of_file), s)
^  Fail: (219) [user] is_delimiter(s)
   Call: (219) [system] ')'==s
   Fail: (219) [system] ')'==s
   Call: (219) [system] get_char((0x55772f068e50), s)
   Exit: (219) [system] get_char((0x55772f068e50), s)
   Call: (219) [system] s=(\)
   Fail: (219) [system] s=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1867668)
   Call: (220) [system] peek_char((0x55772f068e50), _1868602)
   Exit: (220) [system] peek_char((0x55772f068e50), j)
^  Call: (220) [user] is_delimiter(j)
   Call: (221) [system] char_type(j, space)
   Fail: (221) [system] char_type(j, space)
   Call: (221) [system] arg(_1873322, v('(', ')', end_of_file), j)
   Fail: (221) [system] arg(_1874254, v('(', ')', end_of_file), j)
^  Fail: (220) [user] is_delimiter(j)
   Call: (220) [system] ')'==j
   Fail: (220) [system] ')'==j
   Call: (220) [system] get_char((0x55772f068e50), j)
   Exit: (220) [system] get_char((0x55772f068e50), j)
   Call: (220) [system] j=(\)
   Fail: (220) [system] j=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1881604)
   Call: (221) [system] peek_char((0x55772f068e50), _1882538)
   Exit: (221) [system] peek_char((0x55772f068e50), u)
^  Call: (221) [user] is_delimiter(u)
   Call: (222) [system] char_type(u, space)
   Fail: (222) [system] char_type(u, space)
   Call: (222) [system] arg(_1887258, v('(', ')', end_of_file), u)
   Fail: (222) [system] arg(_1888190, v('(', ')', end_of_file), u)
^  Fail: (221) [user] is_delimiter(u)
   Call: (221) [system] ')'==u
   Fail: (221) [system] ')'==u
   Call: (221) [system] get_char((0x55772f068e50), u)
   Exit: (221) [system] get_char((0x55772f068e50), u)
   Call: (221) [system] u=(\)
   Fail: (221) [system] u=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1895540)
   Call: (222) [system] peek_char((0x55772f068e50), _1896474)
   Exit: (222) [system] peek_char((0x55772f068e50), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1901194, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1902126, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x55772f068e50), n)
   Exit: (222) [system] get_char((0x55772f068e50), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1909476)
   Call: (223) [system] peek_char((0x55772f068e50), _1910410)
   Exit: (223) [system] peek_char((0x55772f068e50), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_1915130, v('(', ')', end_of_file), c)
   Fail: (224) [system] arg(_1916062, v('(', ')', end_of_file), c)
^  Fail: (223) [user] is_delimiter(c)
   Call: (223) [system] ')'==c
   Fail: (223) [system] ')'==c
   Call: (223) [system] get_char((0x55772f068e50), c)
   Exit: (223) [system] get_char((0x55772f068e50), c)
   Call: (223) [system] c=(\)
   Fail: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1923412)
   Call: (224) [system] peek_char((0x55772f068e50), _1924346)
   Exit: (224) [system] peek_char((0x55772f068e50), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_1929066, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_1929998, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x55772f068e50), t)
   Exit: (224) [system] get_char((0x55772f068e50), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1937348)
   Call: (225) [system] peek_char((0x55772f068e50), _1938282)
   Exit: (225) [system] peek_char((0x55772f068e50), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1943002, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_1943934, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x55772f068e50), i)
   Exit: (225) [system] get_char((0x55772f068e50), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1951284)
   Call: (226) [system] peek_char((0x55772f068e50), _1952218)
   Exit: (226) [system] peek_char((0x55772f068e50), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_1956938, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_1957870, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x55772f068e50), o)
   Exit: (226) [system] get_char((0x55772f068e50), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1965220)
   Call: (227) [system] peek_char((0x55772f068e50), _1966154)
   Exit: (227) [system] peek_char((0x55772f068e50), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1970874, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_1971806, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x55772f068e50), n)
   Exit: (227) [system] get_char((0x55772f068e50), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1979156)
   Call: (228) [system] peek_char((0x55772f068e50), _1980090)
   Exit: (228) [system] peek_char((0x55772f068e50), 'I')
^  Call: (228) [user] is_delimiter('I')
   Call: (229) [system] char_type('I', space)
   Fail: (229) [system] char_type('I', space)
   Call: (229) [system] arg(_1984810, v('(', ')', end_of_file), 'I')
   Fail: (229) [system] arg(_1985742, v('(', ')', end_of_file), 'I')
^  Fail: (228) [user] is_delimiter('I')
   Call: (228) [system] ')'=='I'
   Fail: (228) [system] ')'=='I'
   Call: (228) [system] get_char((0x55772f068e50), 'I')
   Exit: (228) [system] get_char((0x55772f068e50), 'I')
   Call: (228) [system] 'I'=(\)
   Fail: (228) [system] 'I'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1993092)
   Call: (229) [system] peek_char((0x55772f068e50), _1994026)
   Exit: (229) [system] peek_char((0x55772f068e50), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1998746, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1999678, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x55772f068e50), n)
   Exit: (229) [system] get_char((0x55772f068e50), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _2007028)
   Call: (230) [system] peek_char((0x55772f068e50), _2007962)
   Exit: (230) [system] peek_char((0x55772f068e50), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_2012682, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_2013614, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x55772f068e50), t)
   Exit: (230) [system] get_char((0x55772f068e50), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _2020964)
   Call: (231) [system] peek_char((0x55772f068e50), _2021898)
   Exit: (231) [system] peek_char((0x55772f068e50), r)
^  Call: (231) [user] is_delimiter(r)
   Call: (232) [system] char_type(r, space)
   Fail: (232) [system] char_type(r, space)
   Call: (232) [system] arg(_2026618, v('(', ')', end_of_file), r)
   Fail: (232) [system] arg(_2027550, v('(', ')', end_of_file), r)
^  Fail: (231) [user] is_delimiter(r)
   Call: (231) [system] ')'==r
   Fail: (231) [system] ')'==r
   Call: (231) [system] get_char((0x55772f068e50), r)
   Exit: (231) [system] get_char((0x55772f068e50), r)
   Call: (231) [system] r=(\)
   Fail: (231) [system] r=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _2034900)
   Call: (232) [system] peek_char((0x55772f068e50), _2035834)
   Exit: (232) [system] peek_char((0x55772f068e50), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_2040554, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_2041486, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x55772f068e50), o)
   Exit: (232) [system] get_char((0x55772f068e50), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _2048836)
   Call: (233) [system] peek_char((0x55772f068e50), _2049770)
   Exit: (233) [system] peek_char((0x55772f068e50), d)
^  Call: (233) [user] is_delimiter(d)
   Call: (234) [system] char_type(d, space)
   Fail: (234) [system] char_type(d, space)
   Call: (234) [system] arg(_2054490, v('(', ')', end_of_file), d)
   Fail: (234) [system] arg(_2055422, v('(', ')', end_of_file), d)
^  Fail: (233) [user] is_delimiter(d)
   Call: (233) [system] ')'==d
   Fail: (233) [system] ')'==d
   Call: (233) [system] get_char((0x55772f068e50), d)
   Exit: (233) [system] get_char((0x55772f068e50), d)
   Call: (233) [system] d=(\)
   Fail: (233) [system] d=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _2062772)
   Call: (234) [system] peek_char((0x55772f068e50), _2063706)
   Exit: (234) [system] peek_char((0x55772f068e50), u)
^  Call: (234) [user] is_delimiter(u)
   Call: (235) [system] char_type(u, space)
   Fail: (235) [system] char_type(u, space)
   Call: (235) [system] arg(_2068426, v('(', ')', end_of_file), u)
   Fail: (235) [system] arg(_2069358, v('(', ')', end_of_file), u)
^  Fail: (234) [user] is_delimiter(u)
   Call: (234) [system] ')'==u
   Fail: (234) [system] ')'==u
   Call: (234) [system] get_char((0x55772f068e50), u)
   Exit: (234) [system] get_char((0x55772f068e50), u)
   Call: (234) [system] u=(\)
   Fail: (234) [system] u=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _2076708)
   Call: (235) [system] peek_char((0x55772f068e50), _2077642)
   Exit: (235) [system] peek_char((0x55772f068e50), c)
^  Call: (235) [user] is_delimiter(c)
   Call: (236) [system] char_type(c, space)
   Fail: (236) [system] char_type(c, space)
   Call: (236) [system] arg(_2082362, v('(', ')', end_of_file), c)
   Fail: (236) [system] arg(_2083294, v('(', ')', end_of_file), c)
^  Fail: (235) [user] is_delimiter(c)
   Call: (235) [system] ')'==c
   Fail: (235) [system] ')'==c
   Call: (235) [system] get_char((0x55772f068e50), c)
   Exit: (235) [system] get_char((0x55772f068e50), c)
   Call: (235) [system] c=(\)
   Fail: (235) [system] c=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _2090644)
   Call: (236) [system] peek_char((0x55772f068e50), _2091578)
   Exit: (236) [system] peek_char((0x55772f068e50), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Fail: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_5322, v('(', ')', end_of_file), t)
   Fail: (237) [system] arg(_5696, v('(', ')', end_of_file), t)
^  Fail: (236) [user] is_delimiter(t)
   Call: (236) [system] ')'==t
   Fail: (236) [system] ')'==t
   Call: (236) [system] get_char((0x55772f068e50), t)
   Exit: (236) [system] get_char((0x55772f068e50), t)
   Call: (236) [system] t=(\)
   Fail: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _13046)
   Call: (237) [system] peek_char((0x55772f068e50), _13980)
   Exit: (237) [system] peek_char((0x55772f068e50), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Fail: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_18700, v('(', ')', end_of_file), i)
   Fail: (238) [system] arg(_19632, v('(', ')', end_of_file), i)
^  Fail: (237) [user] is_delimiter(i)
   Call: (237) [system] ')'==i
   Fail: (237) [system] ')'==i
   Call: (237) [system] get_char((0x55772f068e50), i)
   Exit: (237) [system] get_char((0x55772f068e50), i)
   Call: (237) [system] i=(\)
   Fail: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _26982)
   Call: (238) [system] peek_char((0x55772f068e50), _27916)
   Exit: (238) [system] peek_char((0x55772f068e50), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Fail: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_32636, v('(', ')', end_of_file), o)
   Fail: (239) [system] arg(_33568, v('(', ')', end_of_file), o)
^  Fail: (238) [user] is_delimiter(o)
   Call: (238) [system] ')'==o
   Fail: (238) [system] ')'==o
   Call: (238) [system] get_char((0x55772f068e50), o)
   Exit: (238) [system] get_char((0x55772f068e50), o)
   Call: (238) [system] o=(\)
   Fail: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _40918)
   Call: (239) [system] peek_char((0x55772f068e50), _41852)
   Exit: (239) [system] peek_char((0x55772f068e50), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Fail: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_46572, v('(', ')', end_of_file), n)
   Fail: (240) [system] arg(_47504, v('(', ')', end_of_file), n)
^  Fail: (239) [user] is_delimiter(n)
   Call: (239) [system] ')'==n
   Fail: (239) [system] ')'==n
   Call: (239) [system] get_char((0x55772f068e50), n)
   Exit: (239) [system] get_char((0x55772f068e50), n)
   Call: (239) [system] n=(\)
   Fail: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _54854)
   Call: (240) [system] peek_char((0x55772f068e50), _55788)
   Exit: (240) [system] peek_char((0x55772f068e50), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _54854=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (239) [system] _40918=[n]
   Exit: (239) [system] [n]=[n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (238) [system] _26982=[o, n]
   Exit: (238) [system] [o, n]=[o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (237) [system] _13046=[i, o, n]
   Exit: (237) [system] [i, o, n]=[i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (236) [system] _5252=[t, i, o, n]
   Exit: (236) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (235) [system] _5248=[c, t, i, o, n]
   Exit: (235) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (234) [system] _5244=[u, c, t, i, o, n]
   Exit: (234) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (233) [system] _5240=[d, u, c, t, i, o, n]
   Exit: (233) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (232) [system] _5236=[o, d, u, c, t, i, o, n]
   Exit: (232) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (231) [system] _5232=[r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _5228=[t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _5224=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _5220=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _5216=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _5212=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _5208=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _5204=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _5200=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _5196=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _5192=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _5188=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _5184=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _5180=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (217) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5176)
^  Call: (218) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _126540)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_127492, _127494), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _126540), _127474, fail)), '$restore_trace'(_127492, _127494))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_127492, _127494))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _126540), _127474, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_126540)
   Fail: (219) [system] atomic(_126540)
   Call: (219) [system] atom_chars(_126540, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (219) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (218) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (218) [system] integer('DisjunctionIntroduction')
   Fail: (218) [system] integer('DisjunctionIntroduction')
   Call: (218) [system] _5176='DisjunctionIntroduction'
   Exit: (218) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (217) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (216) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (215) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (215) [user] read_list(')', (0x55772f068e50), _141490)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _143348)
   Exit: (217) [system] peek_char((0x55772f068e50), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x55772f068e50), _152942)
   Exit: (217) [system] get_char((0x55772f068e50), ' ')
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _155646)
   Exit: (218) [system] peek_char((0x55772f068e50), a)
   Call: (218) [system] a=(;)
   Fail: (218) [system] a=(;)
   Call: (218) [system] a=(/)
   Fail: (218) [system] a=(/)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Fail: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Fail: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
   Fail: (219) [system] char_type(a, cntrl)
^  Fail: (218) [user] is_like_space(a)
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _172580)
   Exit: (216) [system] peek_char((0x55772f068e50), a)
   Call: (216) [system] a=')'
   Fail: (216) [system] a=')'
   Call: (216) [system] a=end_of_file
   Fail: (216) [system] a=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x55772f068e50), _178150)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _180008)
   Exit: (218) [system] peek_char((0x55772f068e50), a)
   Call: (218) [system] a=(;)
   Fail: (218) [system] a=(;)
   Call: (218) [system] a=(/)
   Fail: (218) [system] a=(/)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Fail: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Fail: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
   Fail: (219) [system] char_type(a, cntrl)
^  Fail: (218) [user] is_like_space(a)
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] get_char((0x55772f068e50), _196018)
   Exit: (217) [system] get_char((0x55772f068e50), a)
   Call: (217) [system] a='('
   Fail: (217) [system] a='('
   Call: (217) [system] a='['
   Fail: (217) [system] a='['
   Call: (217) [system] a='{'
   Fail: (217) [system] a='{'
   Call: (217) [system] a='"'
   Fail: (217) [system] a='"'
   Call: (217) [system] a=!
   Fail: (217) [system] a=!
   Call: (217) [system] a='\''
   Fail: (217) [system] a='\''
   Call: (217) [system] a='`'
   Fail: (217) [system] a='`'
   Call: (217) [system] a=end_of_file
   Fail: (217) [system] a=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x55772f068e50), a, _178150)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _213660)
   Call: (219) [system] peek_char((0x55772f068e50), _214594)
   Exit: (219) [system] peek_char((0x55772f068e50), b)
^  Call: (219) [user] is_delimiter(b)
   Call: (220) [system] char_type(b, space)
   Fail: (220) [system] char_type(b, space)
   Call: (220) [system] arg(_219314, v('(', ')', end_of_file), b)
   Fail: (220) [system] arg(_220246, v('(', ')', end_of_file), b)
^  Fail: (219) [user] is_delimiter(b)
   Call: (219) [system] ')'==b
   Fail: (219) [system] ')'==b
   Call: (219) [system] get_char((0x55772f068e50), b)
   Exit: (219) [system] get_char((0x55772f068e50), b)
   Call: (219) [system] b=(\)
   Fail: (219) [system] b=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _227596)
   Call: (220) [system] peek_char((0x55772f068e50), _228530)
   Exit: (220) [system] peek_char((0x55772f068e50), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_233250, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_234182, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x55772f068e50), c)
   Exit: (220) [system] get_char((0x55772f068e50), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _241532)
   Call: (221) [system] peek_char((0x55772f068e50), _242466)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _241532=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (220) [system] _227596=[c]
   Exit: (220) [system] [c]=[c]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (219) [system] _213660=[b, c]
   Exit: (219) [system] [b, c]=[b, c]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (218) [user] classify_and_convert_charseq([a, b, c], _178150)
^  Call: (219) [user] classify_and_convert_charseq_([a, b, c], _257338)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_258290, _258292), once(user:catch(read_from_chars([a, b, c], _257338), _258272, fail)), '$restore_trace'(_258290, _258292))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_258290, _258292))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _258272, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(abc)
   Exit: (220) [system] atomic(abc)
^  Exit: (219) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (219) [system] integer(abc)
   Fail: (219) [system] integer(abc)
   Call: (219) [system] _178150=abc
   Exit: (219) [system] abc=abc
^  Exit: (218) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (217) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (216) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (216) [user] read_list(')', (0x55772f068e50), _270418)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _272276)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x55772f068e50), _281870)
   Exit: (218) [system] get_char((0x55772f068e50), ' ')
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _284574)
   Exit: (219) [system] peek_char((0x55772f068e50), a)
   Call: (219) [system] a=(;)
   Fail: (219) [system] a=(;)
   Call: (219) [system] a=(/)
   Fail: (219) [system] a=(/)
^  Call: (219) [user] is_like_space(a)
   Call: (220) [system] char_type(a, 'white')
   Fail: (220) [system] char_type(a, 'white')
   Call: (220) [system] char_type(a, end_of_line)
   Fail: (220) [system] char_type(a, end_of_line)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] char_type(a, cntrl)
   Fail: (220) [system] char_type(a, cntrl)
^  Fail: (219) [user] is_like_space(a)
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _301508)
   Exit: (217) [system] peek_char((0x55772f068e50), a)
   Call: (217) [system] a=')'
   Fail: (217) [system] a=')'
   Call: (217) [system] a=end_of_file
   Fail: (217) [system] a=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _307078)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _308936)
   Exit: (219) [system] peek_char((0x55772f068e50), a)
   Call: (219) [system] a=(;)
   Fail: (219) [system] a=(;)
   Call: (219) [system] a=(/)
   Fail: (219) [system] a=(/)
^  Call: (219) [user] is_like_space(a)
   Call: (220) [system] char_type(a, 'white')
   Fail: (220) [system] char_type(a, 'white')
   Call: (220) [system] char_type(a, end_of_line)
   Fail: (220) [system] char_type(a, end_of_line)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] char_type(a, cntrl)
   Fail: (220) [system] char_type(a, cntrl)
^  Fail: (219) [user] is_like_space(a)
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _324946)
   Exit: (218) [system] get_char((0x55772f068e50), a)
   Call: (218) [system] a='('
   Fail: (218) [system] a='('
   Call: (218) [system] a='['
   Fail: (218) [system] a='['
   Call: (218) [system] a='{'
   Fail: (218) [system] a='{'
   Call: (218) [system] a='"'
   Fail: (218) [system] a='"'
   Call: (218) [system] a=!
   Fail: (218) [system] a=!
   Call: (218) [system] a='\''
   Fail: (218) [system] a='\''
   Call: (218) [system] a='`'
   Fail: (218) [system] a='`'
   Call: (218) [system] a=end_of_file
   Fail: (218) [system] a=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x55772f068e50), a, _307078)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _342588)
   Call: (220) [system] peek_char((0x55772f068e50), _343522)
   Exit: (220) [system] peek_char((0x55772f068e50), b)
^  Call: (220) [user] is_delimiter(b)
   Call: (221) [system] char_type(b, space)
   Fail: (221) [system] char_type(b, space)
   Call: (221) [system] arg(_348242, v('(', ')', end_of_file), b)
   Fail: (221) [system] arg(_349174, v('(', ')', end_of_file), b)
^  Fail: (220) [user] is_delimiter(b)
   Call: (220) [system] ')'==b
   Fail: (220) [system] ')'==b
   Call: (220) [system] get_char((0x55772f068e50), b)
   Exit: (220) [system] get_char((0x55772f068e50), b)
   Call: (220) [system] b=(\)
   Fail: (220) [system] b=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _356524)
   Call: (221) [system] peek_char((0x55772f068e50), _357458)
   Exit: (221) [system] peek_char((0x55772f068e50), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Fail: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_362178, v('(', ')', end_of_file), c)
   Fail: (222) [system] arg(_363110, v('(', ')', end_of_file), c)
^  Fail: (221) [user] is_delimiter(c)
   Call: (221) [system] ')'==c
   Fail: (221) [system] ')'==c
   Call: (221) [system] get_char((0x55772f068e50), c)
   Exit: (221) [system] get_char((0x55772f068e50), c)
   Call: (221) [system] c=(\)
   Fail: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _370460)
   Call: (222) [system] peek_char((0x55772f068e50), _371394)
   Exit: (222) [system] peek_char((0x55772f068e50), ')')
^  Call: (222) [user] is_delimiter(')')
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] arg(_376114, v('(', ')', end_of_file), ')')
   Exit: (223) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (222) [user] is_delimiter(')')
   Call: (222) [system] _370460=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (221) [system] _356524=[c]
   Exit: (221) [system] [c]=[c]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (220) [system] _342588=[b, c]
   Exit: (220) [system] [b, c]=[b, c]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (219) [user] classify_and_convert_charseq([a, b, c], _307078)
^  Call: (220) [user] classify_and_convert_charseq_([a, b, c], _388138)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_389090, _389092), once(user:catch(read_from_chars([a, b, c], _388138), _389072, fail)), '$restore_trace'(_389090, _389092))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_389090, _389092))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _389072, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(abc)
   Exit: (221) [system] atomic(abc)
^  Exit: (220) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (220) [system] integer(abc)
   Fail: (220) [system] integer(abc)
   Call: (220) [system] _307078=abc
   Exit: (220) [system] abc=abc
^  Exit: (219) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (218) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (217) [user] read_list(')', (0x55772f068e50), _401218)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _403076)
   Exit: (219) [system] peek_char((0x55772f068e50), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
   Call: (219) [system] ')'=(/)
   Fail: (219) [system] ')'=(/)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _419086)
   Exit: (218) [system] peek_char((0x55772f068e50), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x55772f068e50), _422876)
   Exit: (218) [system] get_char((0x55772f068e50), ')')
   Call: (218) [system] _401218=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x55772f068e50), [])
   Call: (217) [system] _270418=[abc]
   Exit: (217) [system] [abc]=[abc]
^  Exit: (216) [user] read_list(')', (0x55772f068e50), [abc])
   Call: (216) [system] _141490=[abc, abc]
   Exit: (216) [system] [abc, abc]=[abc, abc]
^  Exit: (215) [user] read_list(')', (0x55772f068e50), [abc, abc])
   Call: (215) [system] _5170=['DisjunctionIntroduction', abc, abc]
   Exit: (215) [system] ['DisjunctionIntroduction', abc, abc]=['DisjunctionIntroduction', abc, abc]
^  Exit: (214) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, abc])
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, abc])
^  Call: (213) [user] read_list(')', (0x55772f068e50), _436758)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _438616)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x55772f068e50), _448210)
   Exit: (215) [system] get_char((0x55772f068e50), ' ')
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _450914)
   Exit: (216) [system] peek_char((0x55772f068e50), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _467848)
   Exit: (214) [system] peek_char((0x55772f068e50), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _473418)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _475276)
   Exit: (216) [system] peek_char((0x55772f068e50), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _491286)
   Exit: (215) [system] get_char((0x55772f068e50), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x55772f068e50), _473418)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _496856)
   Exit: (217) [system] peek_char((0x55772f068e50), 'O')
   Call: (217) [system] 'O'=(;)
   Fail: (217) [system] 'O'=(;)
   Call: (217) [system] 'O'=(/)
   Fail: (217) [system] 'O'=(/)
^  Call: (217) [user] is_like_space('O')
   Call: (218) [system] char_type('O', 'white')
   Fail: (218) [system] char_type('O', 'white')
   Call: (218) [system] char_type('O', end_of_line)
   Fail: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] char_type('O', space)
   Fail: (218) [system] char_type('O', space)
   Call: (218) [system] char_type('O', cntrl)
   Fail: (218) [system] char_type('O', cntrl)
^  Fail: (217) [user] is_like_space('O')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _512866)
   Exit: (216) [system] peek_char((0x55772f068e50), 'O')
   Call: (216) [system] 'O'=')'
   Fail: (216) [system] 'O'=')'
   Call: (216) [system] 'O'=end_of_file
   Fail: (216) [system] 'O'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x55772f068e50), _518436)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _520294)
   Exit: (218) [system] peek_char((0x55772f068e50), 'O')
   Call: (218) [system] 'O'=(;)
   Fail: (218) [system] 'O'=(;)
   Call: (218) [system] 'O'=(/)
   Fail: (218) [system] 'O'=(/)
^  Call: (218) [user] is_like_space('O')
   Call: (219) [system] char_type('O', 'white')
   Fail: (219) [system] char_type('O', 'white')
   Call: (219) [system] char_type('O', end_of_line)
   Fail: (219) [system] char_type('O', end_of_line)
   Call: (219) [system] char_type('O', space)
   Fail: (219) [system] char_type('O', space)
   Call: (219) [system] char_type('O', cntrl)
   Fail: (219) [system] char_type('O', cntrl)
^  Fail: (218) [user] is_like_space('O')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] get_char((0x55772f068e50), _536304)
   Exit: (217) [system] get_char((0x55772f068e50), 'O')
   Call: (217) [system] 'O'='('
   Fail: (217) [system] 'O'='('
   Call: (217) [system] 'O'='['
   Fail: (217) [system] 'O'='['
   Call: (217) [system] 'O'='{'
   Fail: (217) [system] 'O'='{'
   Call: (217) [system] 'O'='"'
   Fail: (217) [system] 'O'='"'
   Call: (217) [system] 'O'=!
   Fail: (217) [system] 'O'=!
   Call: (217) [system] 'O'='\''
   Fail: (217) [system] 'O'='\''
   Call: (217) [system] 'O'='`'
   Fail: (217) [system] 'O'='`'
   Call: (217) [system] 'O'=end_of_file
   Fail: (217) [system] 'O'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x55772f068e50), 'O', _518436)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _553946)
   Call: (219) [system] peek_char((0x55772f068e50), _554880)
   Exit: (219) [system] peek_char((0x55772f068e50), r)
^  Call: (219) [user] is_delimiter(r)
   Call: (220) [system] char_type(r, space)
   Fail: (220) [system] char_type(r, space)
   Call: (220) [system] arg(_559600, v('(', ')', end_of_file), r)
   Fail: (220) [system] arg(_560532, v('(', ')', end_of_file), r)
^  Fail: (219) [user] is_delimiter(r)
   Call: (219) [system] ')'==r
   Fail: (219) [system] ')'==r
   Call: (219) [system] get_char((0x55772f068e50), r)
   Exit: (219) [system] get_char((0x55772f068e50), r)
   Call: (219) [system] r=(\)
   Fail: (219) [system] r=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _567882)
   Call: (220) [system] peek_char((0x55772f068e50), _568816)
   Exit: (220) [system] peek_char((0x55772f068e50), 'L')
^  Call: (220) [user] is_delimiter('L')
   Call: (221) [system] char_type('L', space)
   Fail: (221) [system] char_type('L', space)
   Call: (221) [system] arg(_573536, v('(', ')', end_of_file), 'L')
   Fail: (221) [system] arg(_574468, v('(', ')', end_of_file), 'L')
^  Fail: (220) [user] is_delimiter('L')
   Call: (220) [system] ')'=='L'
   Fail: (220) [system] ')'=='L'
   Call: (220) [system] get_char((0x55772f068e50), 'L')
   Exit: (220) [system] get_char((0x55772f068e50), 'L')
   Call: (220) [system] 'L'=(\)
   Fail: (220) [system] 'L'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _581818)
   Call: (221) [system] peek_char((0x55772f068e50), _582752)
   Exit: (221) [system] peek_char((0x55772f068e50), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_587472, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_588404, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x55772f068e50), i)
   Exit: (221) [system] get_char((0x55772f068e50), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _595754)
   Call: (222) [system] peek_char((0x55772f068e50), _596688)
   Exit: (222) [system] peek_char((0x55772f068e50), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_601408, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_602340, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x55772f068e50), n)
   Exit: (222) [system] get_char((0x55772f068e50), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _609690)
   Call: (223) [system] peek_char((0x55772f068e50), _610624)
   Exit: (223) [system] peek_char((0x55772f068e50), k)
^  Call: (223) [user] is_delimiter(k)
   Call: (224) [system] char_type(k, space)
   Fail: (224) [system] char_type(k, space)
   Call: (224) [system] arg(_615344, v('(', ')', end_of_file), k)
   Fail: (224) [system] arg(_616276, v('(', ')', end_of_file), k)
^  Fail: (223) [user] is_delimiter(k)
   Call: (223) [system] ')'==k
   Fail: (223) [system] ')'==k
   Call: (223) [system] get_char((0x55772f068e50), k)
   Exit: (223) [system] get_char((0x55772f068e50), k)
   Call: (223) [system] k=(\)
   Fail: (223) [system] k=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _623626)
   Call: (224) [system] peek_char((0x55772f068e50), _624560)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _623626=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (223) [system] _609690=[k]
   Exit: (223) [system] [k]=[k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (222) [system] _595754=[n, k]
   Exit: (222) [system] [n, k]=[n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (221) [system] _581818=[i, n, k]
   Exit: (221) [system] [i, n, k]=[i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (220) [system] _567882=['L', i, n, k]
   Exit: (220) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (219) [system] _553946=[r, 'L', i, n, k]
   Exit: (219) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (218) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _518436)
^  Call: (219) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _647814)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_648766, _648768), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _647814), _648748, fail)), '$restore_trace'(_648766, _648768))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_648766, _648768))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _647814), _648748, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_647814)
   Fail: (220) [system] atomic(_647814)
   Call: (220) [system] atom_chars(_647814, ['O', r, 'L', i, n, k])
   Exit: (220) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (219) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (219) [system] integer('OrLink')
   Fail: (219) [system] integer('OrLink')
   Call: (219) [system] _518436='OrLink'
   Exit: (219) [system] 'OrLink'='OrLink'
^  Exit: (218) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (217) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (216) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (216) [user] read_list(')', (0x55772f068e50), _662764)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _664622)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x55772f068e50), _674216)
   Exit: (218) [system] get_char((0x55772f068e50), ' ')
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _676920)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _693854)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _699424)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _701282)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _717292)
   Exit: (218) [system] get_char((0x55772f068e50), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x55772f068e50), _699424)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _722862)
   Exit: (220) [system] peek_char((0x55772f068e50), 'I')
   Call: (220) [system] 'I'=(;)
   Fail: (220) [system] 'I'=(;)
   Call: (220) [system] 'I'=(/)
   Fail: (220) [system] 'I'=(/)
^  Call: (220) [user] is_like_space('I')
   Call: (221) [system] char_type('I', 'white')
   Fail: (221) [system] char_type('I', 'white')
   Call: (221) [system] char_type('I', end_of_line)
   Fail: (221) [system] char_type('I', end_of_line)
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] char_type('I', cntrl)
   Fail: (221) [system] char_type('I', cntrl)
^  Fail: (220) [user] is_like_space('I')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _738872)
   Exit: (219) [system] peek_char((0x55772f068e50), 'I')
   Call: (219) [system] 'I'=')'
   Fail: (219) [system] 'I'=')'
   Call: (219) [system] 'I'=end_of_file
   Fail: (219) [system] 'I'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _744442)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _746300)
   Exit: (221) [system] peek_char((0x55772f068e50), 'I')
   Call: (221) [system] 'I'=(;)
   Fail: (221) [system] 'I'=(;)
   Call: (221) [system] 'I'=(/)
   Fail: (221) [system] 'I'=(/)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Fail: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Fail: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
   Fail: (222) [system] char_type('I', cntrl)
^  Fail: (221) [user] is_like_space('I')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _762310)
   Exit: (220) [system] get_char((0x55772f068e50), 'I')
   Call: (220) [system] 'I'='('
   Fail: (220) [system] 'I'='('
   Call: (220) [system] 'I'='['
   Fail: (220) [system] 'I'='['
   Call: (220) [system] 'I'='{'
   Fail: (220) [system] 'I'='{'
   Call: (220) [system] 'I'='"'
   Fail: (220) [system] 'I'='"'
   Call: (220) [system] 'I'=!
   Fail: (220) [system] 'I'=!
   Call: (220) [system] 'I'='\''
   Fail: (220) [system] 'I'='\''
   Call: (220) [system] 'I'='`'
   Fail: (220) [system] 'I'='`'
   Call: (220) [system] 'I'=end_of_file
   Fail: (220) [system] 'I'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x55772f068e50), 'I', _744442)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _779952)
   Call: (222) [system] peek_char((0x55772f068e50), _780886)
   Exit: (222) [system] peek_char((0x55772f068e50), m)
^  Call: (222) [user] is_delimiter(m)
   Call: (223) [system] char_type(m, space)
   Fail: (223) [system] char_type(m, space)
   Call: (223) [system] arg(_785606, v('(', ')', end_of_file), m)
   Fail: (223) [system] arg(_786538, v('(', ')', end_of_file), m)
^  Fail: (222) [user] is_delimiter(m)
   Call: (222) [system] ')'==m
   Fail: (222) [system] ')'==m
   Call: (222) [system] get_char((0x55772f068e50), m)
   Exit: (222) [system] get_char((0x55772f068e50), m)
   Call: (222) [system] m=(\)
   Fail: (222) [system] m=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _793888)
   Call: (223) [system] peek_char((0x55772f068e50), _794822)
   Exit: (223) [system] peek_char((0x55772f068e50), p)
^  Call: (223) [user] is_delimiter(p)
   Call: (224) [system] char_type(p, space)
   Fail: (224) [system] char_type(p, space)
   Call: (224) [system] arg(_799542, v('(', ')', end_of_file), p)
   Fail: (224) [system] arg(_800474, v('(', ')', end_of_file), p)
^  Fail: (223) [user] is_delimiter(p)
   Call: (223) [system] ')'==p
   Fail: (223) [system] ')'==p
   Call: (223) [system] get_char((0x55772f068e50), p)
   Exit: (223) [system] get_char((0x55772f068e50), p)
   Call: (223) [system] p=(\)
   Fail: (223) [system] p=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _807824)
   Call: (224) [system] peek_char((0x55772f068e50), _808758)
   Exit: (224) [system] peek_char((0x55772f068e50), l)
^  Call: (224) [user] is_delimiter(l)
   Call: (225) [system] char_type(l, space)
   Fail: (225) [system] char_type(l, space)
   Call: (225) [system] arg(_813478, v('(', ')', end_of_file), l)
   Fail: (225) [system] arg(_814410, v('(', ')', end_of_file), l)
^  Fail: (224) [user] is_delimiter(l)
   Call: (224) [system] ')'==l
   Fail: (224) [system] ')'==l
   Call: (224) [system] get_char((0x55772f068e50), l)
   Exit: (224) [system] get_char((0x55772f068e50), l)
   Call: (224) [system] l=(\)
   Fail: (224) [system] l=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _821760)
   Call: (225) [system] peek_char((0x55772f068e50), _822694)
   Exit: (225) [system] peek_char((0x55772f068e50), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_827414, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_828346, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x55772f068e50), i)
   Exit: (225) [system] get_char((0x55772f068e50), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _835696)
   Call: (226) [system] peek_char((0x55772f068e50), _836630)
   Exit: (226) [system] peek_char((0x55772f068e50), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_841350, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_842282, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x55772f068e50), c)
   Exit: (226) [system] get_char((0x55772f068e50), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _849632)
   Call: (227) [system] peek_char((0x55772f068e50), _850566)
   Exit: (227) [system] peek_char((0x55772f068e50), a)
^  Call: (227) [user] is_delimiter(a)
   Call: (228) [system] char_type(a, space)
   Fail: (228) [system] char_type(a, space)
   Call: (228) [system] arg(_855286, v('(', ')', end_of_file), a)
   Fail: (228) [system] arg(_856218, v('(', ')', end_of_file), a)
^  Fail: (227) [user] is_delimiter(a)
   Call: (227) [system] ')'==a
   Fail: (227) [system] ')'==a
   Call: (227) [system] get_char((0x55772f068e50), a)
   Exit: (227) [system] get_char((0x55772f068e50), a)
   Call: (227) [system] a=(\)
   Fail: (227) [system] a=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _863568)
   Call: (228) [system] peek_char((0x55772f068e50), _864502)
   Exit: (228) [system] peek_char((0x55772f068e50), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_869222, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_870154, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x55772f068e50), t)
   Exit: (228) [system] get_char((0x55772f068e50), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _877504)
   Call: (229) [system] peek_char((0x55772f068e50), _878438)
   Exit: (229) [system] peek_char((0x55772f068e50), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_883158, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_884090, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x55772f068e50), i)
   Exit: (229) [system] get_char((0x55772f068e50), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _891440)
   Call: (230) [system] peek_char((0x55772f068e50), _892374)
   Exit: (230) [system] peek_char((0x55772f068e50), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_897094, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_898026, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x55772f068e50), o)
   Exit: (230) [system] get_char((0x55772f068e50), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _905376)
   Call: (231) [system] peek_char((0x55772f068e50), _906310)
   Exit: (231) [system] peek_char((0x55772f068e50), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_911030, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_911962, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x55772f068e50), n)
   Exit: (231) [system] get_char((0x55772f068e50), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _919312)
   Call: (232) [system] peek_char((0x55772f068e50), _920246)
   Exit: (232) [system] peek_char((0x55772f068e50), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _919312=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (231) [system] _905376=[n]
   Exit: (231) [system] [n]=[n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (230) [system] _891440=[o, n]
   Exit: (230) [system] [o, n]=[o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (229) [system] _877504=[i, o, n]
   Exit: (229) [system] [i, o, n]=[i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (228) [system] _863568=[t, i, o, n]
   Exit: (228) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (227) [system] _849632=[a, t, i, o, n]
   Exit: (227) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (226) [system] _835696=[c, a, t, i, o, n]
   Exit: (226) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (225) [system] _821760=[i, c, a, t, i, o, n]
   Exit: (225) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (224) [system] _807824=[l, i, c, a, t, i, o, n]
   Exit: (224) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (223) [system] _793888=[p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (222) [system] _779952=[m, p, l, i, c, a, t, i, o, n]
   Exit: (222) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (221) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _744442)
^  Call: (222) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _957470)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_958422, _958424), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _957470), _958404, fail)), '$restore_trace'(_958422, _958424))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_958422, _958424))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _957470), _958404, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_957470)
   Fail: (223) [system] atomic(_957470)
   Call: (223) [system] atom_chars(_957470, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (223) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (222) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (222) [system] integer('Implication')
   Fail: (222) [system] integer('Implication')
   Call: (222) [system] _744442='Implication'
   Exit: (222) [system] 'Implication'='Implication'
^  Exit: (221) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (220) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (219) [user] read_list(')', (0x55772f068e50), _972420)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _974278)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x55772f068e50), _983872)
   Exit: (221) [system] get_char((0x55772f068e50), ' ')
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _986576)
   Exit: (222) [system] peek_char((0x55772f068e50), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1003510)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _1009080)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1010938)
   Exit: (222) [system] peek_char((0x55772f068e50), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _1026948)
   Exit: (221) [system] get_char((0x55772f068e50), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x55772f068e50), _1009080)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1032518)
   Exit: (223) [system] peek_char((0x55772f068e50), 'A')
   Call: (223) [system] 'A'=(;)
   Fail: (223) [system] 'A'=(;)
   Call: (223) [system] 'A'=(/)
   Fail: (223) [system] 'A'=(/)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Fail: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Fail: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Fail: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
   Fail: (224) [system] char_type('A', cntrl)
^  Fail: (223) [user] is_like_space('A')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1048528)
   Exit: (222) [system] peek_char((0x55772f068e50), 'A')
   Call: (222) [system] 'A'=')'
   Fail: (222) [system] 'A'=')'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _1054098)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1055956)
   Exit: (224) [system] peek_char((0x55772f068e50), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
   Call: (224) [system] 'A'=(/)
   Fail: (224) [system] 'A'=(/)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _1071966)
   Exit: (223) [system] get_char((0x55772f068e50), 'A')
   Call: (223) [system] 'A'='('
   Fail: (223) [system] 'A'='('
   Call: (223) [system] 'A'='['
   Fail: (223) [system] 'A'='['
   Call: (223) [system] 'A'='{'
   Fail: (223) [system] 'A'='{'
   Call: (223) [system] 'A'='"'
   Fail: (223) [system] 'A'='"'
   Call: (223) [system] 'A'=!
   Fail: (223) [system] 'A'=!
   Call: (223) [system] 'A'='\''
   Fail: (223) [system] 'A'='\''
   Call: (223) [system] 'A'='`'
   Fail: (223) [system] 'A'='`'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x55772f068e50), 'A', _1054098)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1089608)
   Call: (225) [system] peek_char((0x55772f068e50), _1090542)
   Exit: (225) [system] peek_char((0x55772f068e50), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1095262, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_1096194, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x55772f068e50), n)
   Exit: (225) [system] get_char((0x55772f068e50), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1103544)
   Call: (226) [system] peek_char((0x55772f068e50), _1104478)
   Exit: (226) [system] peek_char((0x55772f068e50), d)
^  Call: (226) [user] is_delimiter(d)
   Call: (227) [system] char_type(d, space)
   Fail: (227) [system] char_type(d, space)
   Call: (227) [system] arg(_1109198, v('(', ')', end_of_file), d)
   Fail: (227) [system] arg(_1110130, v('(', ')', end_of_file), d)
^  Fail: (226) [user] is_delimiter(d)
   Call: (226) [system] ')'==d
   Fail: (226) [system] ')'==d
   Call: (226) [system] get_char((0x55772f068e50), d)
   Exit: (226) [system] get_char((0x55772f068e50), d)
   Call: (226) [system] d=(\)
   Fail: (226) [system] d=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1117480)
   Call: (227) [system] peek_char((0x55772f068e50), _1118414)
   Exit: (227) [system] peek_char((0x55772f068e50), 'L')
^  Call: (227) [user] is_delimiter('L')
   Call: (228) [system] char_type('L', space)
   Fail: (228) [system] char_type('L', space)
   Call: (228) [system] arg(_1123134, v('(', ')', end_of_file), 'L')
   Fail: (228) [system] arg(_1124066, v('(', ')', end_of_file), 'L')
^  Fail: (227) [user] is_delimiter('L')
   Call: (227) [system] ')'=='L'
   Fail: (227) [system] ')'=='L'
   Call: (227) [system] get_char((0x55772f068e50), 'L')
   Exit: (227) [system] get_char((0x55772f068e50), 'L')
   Call: (227) [system] 'L'=(\)
   Fail: (227) [system] 'L'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1131416)
   Call: (228) [system] peek_char((0x55772f068e50), _1132350)
   Exit: (228) [system] peek_char((0x55772f068e50), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1137070, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_1138002, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x55772f068e50), i)
   Exit: (228) [system] get_char((0x55772f068e50), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1145352)
   Call: (229) [system] peek_char((0x55772f068e50), _1146286)
   Exit: (229) [system] peek_char((0x55772f068e50), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1151006, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1151938, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x55772f068e50), n)
   Exit: (229) [system] get_char((0x55772f068e50), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1159288)
   Call: (230) [system] peek_char((0x55772f068e50), _1160222)
   Exit: (230) [system] peek_char((0x55772f068e50), k)
^  Call: (230) [user] is_delimiter(k)
   Call: (231) [system] char_type(k, space)
   Fail: (231) [system] char_type(k, space)
   Call: (231) [system] arg(_1164942, v('(', ')', end_of_file), k)
   Fail: (231) [system] arg(_1165874, v('(', ')', end_of_file), k)
^  Fail: (230) [user] is_delimiter(k)
   Call: (230) [system] ')'==k
   Fail: (230) [system] ')'==k
   Call: (230) [system] get_char((0x55772f068e50), k)
   Exit: (230) [system] get_char((0x55772f068e50), k)
   Call: (230) [system] k=(\)
   Fail: (230) [system] k=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1173224)
   Call: (231) [system] peek_char((0x55772f068e50), _1174158)
   Exit: (231) [system] peek_char((0x55772f068e50), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1173224=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (230) [system] _1159288=[k]
   Exit: (230) [system] [k]=[k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (229) [system] _1145352=[n, k]
   Exit: (229) [system] [n, k]=[n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (228) [system] _1131416=[i, n, k]
   Exit: (228) [system] [i, n, k]=[i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (227) [system] _1117480=['L', i, n, k]
   Exit: (227) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (226) [system] _1103544=[d, 'L', i, n, k]
   Exit: (226) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (225) [system] _1089608=[n, d, 'L', i, n, k]
   Exit: (225) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (224) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1054098)
^  Call: (225) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1200206)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1201158, _1201160), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1200206), _1201140, fail)), '$restore_trace'(_1201158, _1201160))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1201158, _1201160))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1200206), _1201140, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1200206)
   Fail: (226) [system] atomic(_1200206)
   Call: (226) [system] atom_chars(_1200206, ['A', n, d, 'L', i, n, k])
   Exit: (226) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (225) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (225) [system] integer('AndLink')
   Fail: (225) [system] integer('AndLink')
   Call: (225) [system] _1054098='AndLink'
   Exit: (225) [system] 'AndLink'='AndLink'
^  Exit: (224) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (223) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (222) [user] read_list(')', (0x55772f068e50), _1215156)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1217014)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x55772f068e50), _1226608)
   Exit: (224) [system] get_char((0x55772f068e50), ' ')
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1229312)
   Exit: (225) [system] peek_char((0x55772f068e50), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1246246)
   Exit: (223) [system] peek_char((0x55772f068e50), 'A')
   Call: (223) [system] 'A'=')'
   Fail: (223) [system] 'A'=')'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x55772f068e50), _1251816)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1253674)
   Exit: (225) [system] peek_char((0x55772f068e50), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] get_char((0x55772f068e50), _1269684)
   Exit: (224) [system] get_char((0x55772f068e50), 'A')
   Call: (224) [system] 'A'='('
   Fail: (224) [system] 'A'='('
   Call: (224) [system] 'A'='['
   Fail: (224) [system] 'A'='['
   Call: (224) [system] 'A'='{'
   Fail: (224) [system] 'A'='{'
   Call: (224) [system] 'A'='"'
   Fail: (224) [system] 'A'='"'
   Call: (224) [system] 'A'=!
   Fail: (224) [system] 'A'=!
   Call: (224) [system] 'A'='\''
   Fail: (224) [system] 'A'='\''
   Call: (224) [system] 'A'='`'
   Fail: (224) [system] 'A'='`'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x55772f068e50), 'A', _1251816)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1287326)
   Call: (226) [system] peek_char((0x55772f068e50), _1288260)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1287326=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (225) [user] classify_and_convert_charseq(['A'], _1251816)
^  Call: (226) [user] classify_and_convert_charseq_(['A'], _1297544)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1298496, _1298498), once(user:catch(read_from_chars(['A'], _1297544), _1298478, fail)), '$restore_trace'(_1298496, _1298498))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1298496, _1298498))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1297544), _1298478, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1297544)
   Fail: (227) [system] atomic(_1297544)
   Call: (227) [system] atom_chars(_1297544, ['A'])
   Exit: (227) [system] atom_chars('A', ['A'])
^  Exit: (226) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (226) [system] integer('A')
   Fail: (226) [system] integer('A')
   Call: (226) [system] _1251816='A'
   Exit: (226) [system] 'A'='A'
^  Exit: (225) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (224) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (223) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (223) [user] read_list(')', (0x55772f068e50), _1312494)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1314352)
   Exit: (225) [system] peek_char((0x55772f068e50), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x55772f068e50), _1323946)
   Exit: (225) [system] get_char((0x55772f068e50), ' ')
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1326650)
   Exit: (226) [system] peek_char((0x55772f068e50), 'B')
   Call: (226) [system] 'B'=(;)
   Fail: (226) [system] 'B'=(;)
   Call: (226) [system] 'B'=(/)
   Fail: (226) [system] 'B'=(/)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Fail: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Fail: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Fail: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
   Fail: (227) [system] char_type('B', cntrl)
^  Fail: (226) [user] is_like_space('B')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1343584)
   Exit: (224) [system] peek_char((0x55772f068e50), 'B')
   Call: (224) [system] 'B'=')'
   Fail: (224) [system] 'B'=')'
   Call: (224) [system] 'B'=end_of_file
   Fail: (224) [system] 'B'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x55772f068e50), _1349154)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1351012)
   Exit: (226) [system] peek_char((0x55772f068e50), 'B')
   Call: (226) [system] 'B'=(;)
   Fail: (226) [system] 'B'=(;)
   Call: (226) [system] 'B'=(/)
   Fail: (226) [system] 'B'=(/)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Fail: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Fail: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Fail: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
   Fail: (227) [system] char_type('B', cntrl)
^  Fail: (226) [user] is_like_space('B')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] get_char((0x55772f068e50), _1367022)
   Exit: (225) [system] get_char((0x55772f068e50), 'B')
   Call: (225) [system] 'B'='('
   Fail: (225) [system] 'B'='('
   Call: (225) [system] 'B'='['
   Fail: (225) [system] 'B'='['
   Call: (225) [system] 'B'='{'
   Fail: (225) [system] 'B'='{'
   Call: (225) [system] 'B'='"'
   Fail: (225) [system] 'B'='"'
   Call: (225) [system] 'B'=!
   Fail: (225) [system] 'B'=!
   Call: (225) [system] 'B'='\''
   Fail: (225) [system] 'B'='\''
   Call: (225) [system] 'B'='`'
   Fail: (225) [system] 'B'='`'
   Call: (225) [system] 'B'=end_of_file
   Fail: (225) [system] 'B'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x55772f068e50), 'B', _1349154)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1384664)
   Call: (227) [system] peek_char((0x55772f068e50), _1385598)
   Exit: (227) [system] peek_char((0x55772f068e50), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_1390318, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _1384664=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (226) [user] classify_and_convert_charseq(['B'], _1349154)
^  Call: (227) [user] classify_and_convert_charseq_(['B'], _1396754)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1397706, _1397708), once(user:catch(read_from_chars(['B'], _1396754), _1397688, fail)), '$restore_trace'(_1397706, _1397708))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1397706, _1397708))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1396754), _1397688, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1396754)
   Fail: (228) [system] atomic(_1396754)
   Call: (228) [system] atom_chars(_1396754, ['B'])
   Exit: (228) [system] atom_chars('B', ['B'])
^  Exit: (227) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (227) [system] integer('B')
   Fail: (227) [system] integer('B')
   Call: (227) [system] _1349154='B'
   Exit: (227) [system] 'B'='B'
^  Exit: (226) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (225) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (224) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (224) [user] read_list(')', (0x55772f068e50), _1411704)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1413562)
   Exit: (226) [system] peek_char((0x55772f068e50), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
   Call: (226) [system] ')'=(/)
   Fail: (226) [system] ')'=(/)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1429572)
   Exit: (225) [system] peek_char((0x55772f068e50), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x55772f068e50), _1433362)
   Exit: (225) [system] get_char((0x55772f068e50), ')')
   Call: (225) [system] _1411704=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x55772f068e50), [])
   Call: (224) [system] _1312494=['B']
   Exit: (224) [system] ['B']=['B']
^  Exit: (223) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (223) [system] _1215156=['A', 'B']
   Exit: (223) [system] ['A', 'B']=['A', 'B']
^  Exit: (222) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (222) [system] _1009080=['AndLink', 'A', 'B']
   Exit: (222) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (221) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (220) [user] read_list(')', (0x55772f068e50), _1447244)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1449102)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x55772f068e50), _1458696)
   Exit: (222) [system] get_char((0x55772f068e50), ' ')
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1461400)
   Exit: (223) [system] peek_char((0x55772f068e50), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
   Call: (223) [system] 'C'=(/)
   Fail: (223) [system] 'C'=(/)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1478334)
   Exit: (221) [system] peek_char((0x55772f068e50), 'C')
   Call: (221) [system] 'C'=')'
   Fail: (221) [system] 'C'=')'
   Call: (221) [system] 'C'=end_of_file
   Fail: (221) [system] 'C'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _1483904)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1485762)
   Exit: (223) [system] peek_char((0x55772f068e50), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
   Call: (223) [system] 'C'=(/)
   Fail: (223) [system] 'C'=(/)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _1501772)
   Exit: (222) [system] get_char((0x55772f068e50), 'C')
   Call: (222) [system] 'C'='('
   Fail: (222) [system] 'C'='('
   Call: (222) [system] 'C'='['
   Fail: (222) [system] 'C'='['
   Call: (222) [system] 'C'='{'
   Fail: (222) [system] 'C'='{'
   Call: (222) [system] 'C'='"'
   Fail: (222) [system] 'C'='"'
   Call: (222) [system] 'C'=!
   Fail: (222) [system] 'C'=!
   Call: (222) [system] 'C'='\''
   Fail: (222) [system] 'C'='\''
   Call: (222) [system] 'C'='`'
   Fail: (222) [system] 'C'='`'
   Call: (222) [system] 'C'=end_of_file
   Fail: (222) [system] 'C'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x55772f068e50), 'C', _1483904)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1519414)
   Call: (224) [system] peek_char((0x55772f068e50), _1520348)
   Exit: (224) [system] peek_char((0x55772f068e50), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_1525068, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _1519414=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (223) [user] classify_and_convert_charseq(['C'], _1483904)
^  Call: (224) [user] classify_and_convert_charseq_(['C'], _1531504)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1532456, _1532458), once(user:catch(read_from_chars(['C'], _1531504), _1532438, fail)), '$restore_trace'(_1532456, _1532458))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1532456, _1532458))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1531504), _1532438, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1531504)
   Fail: (225) [system] atomic(_1531504)
   Call: (225) [system] atom_chars(_1531504, ['C'])
   Exit: (225) [system] atom_chars('C', ['C'])
^  Exit: (224) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (224) [system] integer('C')
   Fail: (224) [system] integer('C')
   Call: (224) [system] _1483904='C'
   Exit: (224) [system] 'C'='C'
^  Exit: (223) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (222) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (221) [user] read_list(')', (0x55772f068e50), _1546454)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1548312)
   Exit: (223) [system] peek_char((0x55772f068e50), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
   Call: (223) [system] ')'=(/)
   Fail: (223) [system] ')'=(/)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1564322)
   Exit: (222) [system] peek_char((0x55772f068e50), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x55772f068e50), _1568112)
   Exit: (222) [system] get_char((0x55772f068e50), ')')
   Call: (222) [system] _1546454=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x55772f068e50), [])
   Call: (221) [system] _1447244=['C']
   Exit: (221) [system] ['C']=['C']
^  Exit: (220) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (220) [system] _972420=[['AndLink', 'A', 'B'], 'C']
   Exit: (220) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (219) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (219) [system] _699424=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (219) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (218) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (217) [user] read_list(')', (0x55772f068e50), _1581994)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1583852)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x55772f068e50), _1593446)
   Exit: (219) [system] get_char((0x55772f068e50), ' ')
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1596150)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1613084)
   Exit: (218) [system] peek_char((0x55772f068e50), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _1618654)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1620512)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _1636522)
   Exit: (219) [system] get_char((0x55772f068e50), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x55772f068e50), _1618654)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1642092)
   Exit: (221) [system] peek_char((0x55772f068e50), 'I')
   Call: (221) [system] 'I'=(;)
   Fail: (221) [system] 'I'=(;)
   Call: (221) [system] 'I'=(/)
   Fail: (221) [system] 'I'=(/)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Fail: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Fail: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
   Fail: (222) [system] char_type('I', cntrl)
^  Fail: (221) [user] is_like_space('I')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1658102)
   Exit: (220) [system] peek_char((0x55772f068e50), 'I')
   Call: (220) [system] 'I'=')'
   Fail: (220) [system] 'I'=')'
   Call: (220) [system] 'I'=end_of_file
   Fail: (220) [system] 'I'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _1663672)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1665530)
   Exit: (222) [system] peek_char((0x55772f068e50), 'I')
   Call: (222) [system] 'I'=(;)
   Fail: (222) [system] 'I'=(;)
   Call: (222) [system] 'I'=(/)
   Fail: (222) [system] 'I'=(/)
^  Call: (222) [user] is_like_space('I')
   Call: (223) [system] char_type('I', 'white')
   Fail: (223) [system] char_type('I', 'white')
   Call: (223) [system] char_type('I', end_of_line)
   Fail: (223) [system] char_type('I', end_of_line)
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] char_type('I', cntrl)
   Fail: (223) [system] char_type('I', cntrl)
^  Fail: (222) [user] is_like_space('I')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _1681540)
   Exit: (221) [system] get_char((0x55772f068e50), 'I')
   Call: (221) [system] 'I'='('
   Fail: (221) [system] 'I'='('
   Call: (221) [system] 'I'='['
   Fail: (221) [system] 'I'='['
   Call: (221) [system] 'I'='{'
   Fail: (221) [system] 'I'='{'
   Call: (221) [system] 'I'='"'
   Fail: (221) [system] 'I'='"'
   Call: (221) [system] 'I'=!
   Fail: (221) [system] 'I'=!
   Call: (221) [system] 'I'='\''
   Fail: (221) [system] 'I'='\''
   Call: (221) [system] 'I'='`'
   Fail: (221) [system] 'I'='`'
   Call: (221) [system] 'I'=end_of_file
   Fail: (221) [system] 'I'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x55772f068e50), 'I', _1663672)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1699182)
   Call: (223) [system] peek_char((0x55772f068e50), _1700116)
   Exit: (223) [system] peek_char((0x55772f068e50), m)
^  Call: (223) [user] is_delimiter(m)
   Call: (224) [system] char_type(m, space)
   Fail: (224) [system] char_type(m, space)
   Call: (224) [system] arg(_1704836, v('(', ')', end_of_file), m)
   Fail: (224) [system] arg(_1705768, v('(', ')', end_of_file), m)
^  Fail: (223) [user] is_delimiter(m)
   Call: (223) [system] ')'==m
   Fail: (223) [system] ')'==m
   Call: (223) [system] get_char((0x55772f068e50), m)
   Exit: (223) [system] get_char((0x55772f068e50), m)
   Call: (223) [system] m=(\)
   Fail: (223) [system] m=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1713118)
   Call: (224) [system] peek_char((0x55772f068e50), _1714052)
   Exit: (224) [system] peek_char((0x55772f068e50), p)
^  Call: (224) [user] is_delimiter(p)
   Call: (225) [system] char_type(p, space)
   Fail: (225) [system] char_type(p, space)
   Call: (225) [system] arg(_1718772, v('(', ')', end_of_file), p)
   Fail: (225) [system] arg(_1719704, v('(', ')', end_of_file), p)
^  Fail: (224) [user] is_delimiter(p)
   Call: (224) [system] ')'==p
   Fail: (224) [system] ')'==p
   Call: (224) [system] get_char((0x55772f068e50), p)
   Exit: (224) [system] get_char((0x55772f068e50), p)
   Call: (224) [system] p=(\)
   Fail: (224) [system] p=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1727054)
   Call: (225) [system] peek_char((0x55772f068e50), _1727988)
   Exit: (225) [system] peek_char((0x55772f068e50), l)
^  Call: (225) [user] is_delimiter(l)
   Call: (226) [system] char_type(l, space)
   Fail: (226) [system] char_type(l, space)
   Call: (226) [system] arg(_1732708, v('(', ')', end_of_file), l)
   Fail: (226) [system] arg(_1733640, v('(', ')', end_of_file), l)
^  Fail: (225) [user] is_delimiter(l)
   Call: (225) [system] ')'==l
   Fail: (225) [system] ')'==l
   Call: (225) [system] get_char((0x55772f068e50), l)
   Exit: (225) [system] get_char((0x55772f068e50), l)
   Call: (225) [system] l=(\)
   Fail: (225) [system] l=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1740990)
   Call: (226) [system] peek_char((0x55772f068e50), _1741924)
   Exit: (226) [system] peek_char((0x55772f068e50), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_1746644, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_1747576, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x55772f068e50), i)
   Exit: (226) [system] get_char((0x55772f068e50), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1754926)
   Call: (227) [system] peek_char((0x55772f068e50), _1755860)
   Exit: (227) [system] peek_char((0x55772f068e50), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_1760580, v('(', ')', end_of_file), c)
   Fail: (228) [system] arg(_1761512, v('(', ')', end_of_file), c)
^  Fail: (227) [user] is_delimiter(c)
   Call: (227) [system] ')'==c
   Fail: (227) [system] ')'==c
   Call: (227) [system] get_char((0x55772f068e50), c)
   Exit: (227) [system] get_char((0x55772f068e50), c)
   Call: (227) [system] c=(\)
   Fail: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1768862)
   Call: (228) [system] peek_char((0x55772f068e50), _1769796)
   Exit: (228) [system] peek_char((0x55772f068e50), a)
^  Call: (228) [user] is_delimiter(a)
   Call: (229) [system] char_type(a, space)
   Fail: (229) [system] char_type(a, space)
   Call: (229) [system] arg(_1774516, v('(', ')', end_of_file), a)
   Fail: (229) [system] arg(_1775448, v('(', ')', end_of_file), a)
^  Fail: (228) [user] is_delimiter(a)
   Call: (228) [system] ')'==a
   Fail: (228) [system] ')'==a
   Call: (228) [system] get_char((0x55772f068e50), a)
   Exit: (228) [system] get_char((0x55772f068e50), a)
   Call: (228) [system] a=(\)
   Fail: (228) [system] a=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1782798)
   Call: (229) [system] peek_char((0x55772f068e50), _1783732)
   Exit: (229) [system] peek_char((0x55772f068e50), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_1788452, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_1789384, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x55772f068e50), t)
   Exit: (229) [system] get_char((0x55772f068e50), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1796734)
   Call: (230) [system] peek_char((0x55772f068e50), _1797668)
   Exit: (230) [system] peek_char((0x55772f068e50), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1802388, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_1803320, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x55772f068e50), i)
   Exit: (230) [system] get_char((0x55772f068e50), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1810670)
   Call: (231) [system] peek_char((0x55772f068e50), _1811604)
   Exit: (231) [system] peek_char((0x55772f068e50), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_1816324, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_1817256, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x55772f068e50), o)
   Exit: (231) [system] get_char((0x55772f068e50), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1824606)
   Call: (232) [system] peek_char((0x55772f068e50), _1825540)
   Exit: (232) [system] peek_char((0x55772f068e50), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_1830260, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_1831192, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x55772f068e50), n)
   Exit: (232) [system] get_char((0x55772f068e50), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1838542)
   Call: (233) [system] peek_char((0x55772f068e50), _1839476)
   Exit: (233) [system] peek_char((0x55772f068e50), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _1838542=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (232) [system] _1824606=[n]
   Exit: (232) [system] [n]=[n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (231) [system] _1810670=[o, n]
   Exit: (231) [system] [o, n]=[o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (230) [system] _1796734=[i, o, n]
   Exit: (230) [system] [i, o, n]=[i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (229) [system] _1782798=[t, i, o, n]
   Exit: (229) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (228) [system] _1768862=[a, t, i, o, n]
   Exit: (228) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (227) [system] _1754926=[c, a, t, i, o, n]
   Exit: (227) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (226) [system] _1740990=[i, c, a, t, i, o, n]
   Exit: (226) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (225) [system] _1727054=[l, i, c, a, t, i, o, n]
   Exit: (225) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (224) [system] _1713118=[p, l, i, c, a, t, i, o, n]
   Exit: (224) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (223) [system] _1699182=[m, p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (222) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1663672)
^  Call: (223) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1876700)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1877652, _1877654), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1876700), _1877634, fail)), '$restore_trace'(_1877652, _1877654))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1877652, _1877654))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1876700), _1877634, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1876700)
   Fail: (224) [system] atomic(_1876700)
   Call: (224) [system] atom_chars(_1876700, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (224) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (223) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (223) [system] integer('Implication')
   Fail: (223) [system] integer('Implication')
   Call: (223) [system] _1663672='Implication'
   Exit: (223) [system] 'Implication'='Implication'
^  Exit: (222) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (221) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (220) [user] read_list(')', (0x55772f068e50), _1891650)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1893508)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x55772f068e50), _1903102)
   Exit: (222) [system] get_char((0x55772f068e50), ' ')
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1905806)
   Exit: (223) [system] peek_char((0x55772f068e50), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1922740)
   Exit: (221) [system] peek_char((0x55772f068e50), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _1928310)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1930168)
   Exit: (223) [system] peek_char((0x55772f068e50), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _1946178)
   Exit: (222) [system] get_char((0x55772f068e50), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x55772f068e50), _1928310)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1951748)
   Exit: (224) [system] peek_char((0x55772f068e50), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
   Call: (224) [system] 'A'=(/)
   Fail: (224) [system] 'A'=(/)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1967758)
   Exit: (223) [system] peek_char((0x55772f068e50), 'A')
   Call: (223) [system] 'A'=')'
   Fail: (223) [system] 'A'=')'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x55772f068e50), _1973328)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1975186)
   Exit: (225) [system] peek_char((0x55772f068e50), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] get_char((0x55772f068e50), _1991196)
   Exit: (224) [system] get_char((0x55772f068e50), 'A')
   Call: (224) [system] 'A'='('
   Fail: (224) [system] 'A'='('
   Call: (224) [system] 'A'='['
   Fail: (224) [system] 'A'='['
   Call: (224) [system] 'A'='{'
   Fail: (224) [system] 'A'='{'
   Call: (224) [system] 'A'='"'
   Fail: (224) [system] 'A'='"'
   Call: (224) [system] 'A'=!
   Fail: (224) [system] 'A'=!
   Call: (224) [system] 'A'='\''
   Fail: (224) [system] 'A'='\''
   Call: (224) [system] 'A'='`'
   Fail: (224) [system] 'A'='`'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x55772f068e50), 'A', _1973328)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _2008838)
   Call: (226) [system] peek_char((0x55772f068e50), _2009772)
   Exit: (226) [system] peek_char((0x55772f068e50), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_2014492, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_2015424, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x55772f068e50), n)
   Exit: (226) [system] get_char((0x55772f068e50), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _2022774)
   Call: (227) [system] peek_char((0x55772f068e50), _2023708)
   Exit: (227) [system] peek_char((0x55772f068e50), d)
^  Call: (227) [user] is_delimiter(d)
   Call: (228) [system] char_type(d, space)
   Fail: (228) [system] char_type(d, space)
   Call: (228) [system] arg(_2028428, v('(', ')', end_of_file), d)
   Fail: (228) [system] arg(_2029360, v('(', ')', end_of_file), d)
^  Fail: (227) [user] is_delimiter(d)
   Call: (227) [system] ')'==d
   Fail: (227) [system] ')'==d
   Call: (227) [system] get_char((0x55772f068e50), d)
   Exit: (227) [system] get_char((0x55772f068e50), d)
   Call: (227) [system] d=(\)
   Fail: (227) [system] d=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _2036710)
   Call: (228) [system] peek_char((0x55772f068e50), _2037644)
   Exit: (228) [system] peek_char((0x55772f068e50), 'L')
^  Call: (228) [user] is_delimiter('L')
   Call: (229) [system] char_type('L', space)
   Fail: (229) [system] char_type('L', space)
   Call: (229) [system] arg(_2042364, v('(', ')', end_of_file), 'L')
   Fail: (229) [system] arg(_2043296, v('(', ')', end_of_file), 'L')
^  Fail: (228) [user] is_delimiter('L')
   Call: (228) [system] ')'=='L'
   Fail: (228) [system] ')'=='L'
   Call: (228) [system] get_char((0x55772f068e50), 'L')
   Exit: (228) [system] get_char((0x55772f068e50), 'L')
   Call: (228) [system] 'L'=(\)
   Fail: (228) [system] 'L'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _2050646)
   Call: (229) [system] peek_char((0x55772f068e50), _2051580)
   Exit: (229) [system] peek_char((0x55772f068e50), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_2056300, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_2057232, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x55772f068e50), i)
   Exit: (229) [system] get_char((0x55772f068e50), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _2064582)
   Call: (230) [system] peek_char((0x55772f068e50), _2065516)
   Exit: (230) [system] peek_char((0x55772f068e50), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_2070236, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_2071168, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x55772f068e50), n)
   Exit: (230) [system] get_char((0x55772f068e50), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _2078518)
   Call: (231) [system] peek_char((0x55772f068e50), _2079452)
   Exit: (231) [system] peek_char((0x55772f068e50), k)
^  Call: (231) [user] is_delimiter(k)
   Call: (232) [system] char_type(k, space)
   Fail: (232) [system] char_type(k, space)
   Call: (232) [system] arg(_2084172, v('(', ')', end_of_file), k)
   Fail: (232) [system] arg(_2085104, v('(', ')', end_of_file), k)
^  Fail: (231) [user] is_delimiter(k)
   Call: (231) [system] ')'==k
   Fail: (231) [system] ')'==k
   Call: (231) [system] get_char((0x55772f068e50), k)
   Exit: (231) [system] get_char((0x55772f068e50), k)
   Call: (231) [system] k=(\)
   Fail: (231) [system] k=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _2092454)
   Call: (232) [system] peek_char((0x55772f068e50), _2093388)
   Exit: (232) [system] peek_char((0x55772f068e50), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _5294=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (231) [system] _5290=[k]
   Exit: (231) [system] [k]=[k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (230) [system] _5286=[n, k]
   Exit: (230) [system] [n, k]=[n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (229) [system] _5282=[i, n, k]
   Exit: (229) [system] [i, n, k]=[i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (228) [system] _5278=['L', i, n, k]
   Exit: (228) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (227) [system] _5274=[d, 'L', i, n, k]
   Exit: (227) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (226) [system] _5270=[n, d, 'L', i, n, k]
   Exit: (226) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (225) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _5266)
^  Call: (226) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _27988)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_28940, _28942), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _27988), _28922, fail)), '$restore_trace'(_28940, _28942))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_28940, _28942))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _27988), _28922, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_27988)
   Fail: (227) [system] atomic(_27988)
   Call: (227) [system] atom_chars(_27988, ['A', n, d, 'L', i, n, k])
   Exit: (227) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (226) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (226) [system] integer('AndLink')
   Fail: (226) [system] integer('AndLink')
   Call: (226) [system] _5266='AndLink'
   Exit: (226) [system] 'AndLink'='AndLink'
^  Exit: (225) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (224) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (223) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (223) [user] read_list(')', (0x55772f068e50), _42938)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _44796)
   Exit: (225) [system] peek_char((0x55772f068e50), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x55772f068e50), _54390)
   Exit: (225) [system] get_char((0x55772f068e50), ' ')
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _57094)
   Exit: (226) [system] peek_char((0x55772f068e50), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
   Call: (226) [system] 'A'=(/)
   Fail: (226) [system] 'A'=(/)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _74028)
   Exit: (224) [system] peek_char((0x55772f068e50), 'A')
   Call: (224) [system] 'A'=')'
   Fail: (224) [system] 'A'=')'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x55772f068e50), _79598)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _81456)
   Exit: (226) [system] peek_char((0x55772f068e50), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
   Call: (226) [system] 'A'=(/)
   Fail: (226) [system] 'A'=(/)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] get_char((0x55772f068e50), _97466)
   Exit: (225) [system] get_char((0x55772f068e50), 'A')
   Call: (225) [system] 'A'='('
   Fail: (225) [system] 'A'='('
   Call: (225) [system] 'A'='['
   Fail: (225) [system] 'A'='['
   Call: (225) [system] 'A'='{'
   Fail: (225) [system] 'A'='{'
   Call: (225) [system] 'A'='"'
   Fail: (225) [system] 'A'='"'
   Call: (225) [system] 'A'=!
   Fail: (225) [system] 'A'=!
   Call: (225) [system] 'A'='\''
   Fail: (225) [system] 'A'='\''
   Call: (225) [system] 'A'='`'
   Fail: (225) [system] 'A'='`'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x55772f068e50), 'A', _79598)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _115108)
   Call: (227) [system] peek_char((0x55772f068e50), _116042)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _115108=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (226) [user] classify_and_convert_charseq(['A'], _79598)
^  Call: (227) [user] classify_and_convert_charseq_(['A'], _125326)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_126278, _126280), once(user:catch(read_from_chars(['A'], _125326), _126260, fail)), '$restore_trace'(_126278, _126280))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_126278, _126280))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _125326), _126260, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_125326)
   Fail: (228) [system] atomic(_125326)
   Call: (228) [system] atom_chars(_125326, ['A'])
   Exit: (228) [system] atom_chars('A', ['A'])
^  Exit: (227) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (227) [system] integer('A')
   Fail: (227) [system] integer('A')
   Call: (227) [system] _79598='A'
   Exit: (227) [system] 'A'='A'
^  Exit: (226) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (225) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (224) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (224) [user] read_list(')', (0x55772f068e50), _140276)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _142134)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x55772f068e50), _151728)
   Exit: (226) [system] get_char((0x55772f068e50), ' ')
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _154432)
   Exit: (227) [system] peek_char((0x55772f068e50), 'B')
   Call: (227) [system] 'B'=(;)
   Fail: (227) [system] 'B'=(;)
   Call: (227) [system] 'B'=(/)
   Fail: (227) [system] 'B'=(/)
^  Call: (227) [user] is_like_space('B')
   Call: (228) [system] char_type('B', 'white')
   Fail: (228) [system] char_type('B', 'white')
   Call: (228) [system] char_type('B', end_of_line)
   Fail: (228) [system] char_type('B', end_of_line)
   Call: (228) [system] char_type('B', space)
   Fail: (228) [system] char_type('B', space)
   Call: (228) [system] char_type('B', cntrl)
   Fail: (228) [system] char_type('B', cntrl)
^  Fail: (227) [user] is_like_space('B')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _171366)
   Exit: (225) [system] peek_char((0x55772f068e50), 'B')
   Call: (225) [system] 'B'=')'
   Fail: (225) [system] 'B'=')'
   Call: (225) [system] 'B'=end_of_file
   Fail: (225) [system] 'B'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x55772f068e50), _176936)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _178794)
   Exit: (227) [system] peek_char((0x55772f068e50), 'B')
   Call: (227) [system] 'B'=(;)
   Fail: (227) [system] 'B'=(;)
   Call: (227) [system] 'B'=(/)
   Fail: (227) [system] 'B'=(/)
^  Call: (227) [user] is_like_space('B')
   Call: (228) [system] char_type('B', 'white')
   Fail: (228) [system] char_type('B', 'white')
   Call: (228) [system] char_type('B', end_of_line)
   Fail: (228) [system] char_type('B', end_of_line)
   Call: (228) [system] char_type('B', space)
   Fail: (228) [system] char_type('B', space)
   Call: (228) [system] char_type('B', cntrl)
   Fail: (228) [system] char_type('B', cntrl)
^  Fail: (227) [user] is_like_space('B')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] get_char((0x55772f068e50), _194804)
   Exit: (226) [system] get_char((0x55772f068e50), 'B')
   Call: (226) [system] 'B'='('
   Fail: (226) [system] 'B'='('
   Call: (226) [system] 'B'='['
   Fail: (226) [system] 'B'='['
   Call: (226) [system] 'B'='{'
   Fail: (226) [system] 'B'='{'
   Call: (226) [system] 'B'='"'
   Fail: (226) [system] 'B'='"'
   Call: (226) [system] 'B'=!
   Fail: (226) [system] 'B'=!
   Call: (226) [system] 'B'='\''
   Fail: (226) [system] 'B'='\''
   Call: (226) [system] 'B'='`'
   Fail: (226) [system] 'B'='`'
   Call: (226) [system] 'B'=end_of_file
   Fail: (226) [system] 'B'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x55772f068e50), 'B', _176936)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _212446)
   Call: (228) [system] peek_char((0x55772f068e50), _213380)
   Exit: (228) [system] peek_char((0x55772f068e50), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_218100, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _212446=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (227) [user] classify_and_convert_charseq(['B'], _176936)
^  Call: (228) [user] classify_and_convert_charseq_(['B'], _224536)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_225488, _225490), once(user:catch(read_from_chars(['B'], _224536), _225470, fail)), '$restore_trace'(_225488, _225490))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_225488, _225490))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _224536), _225470, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_224536)
   Fail: (229) [system] atomic(_224536)
   Call: (229) [system] atom_chars(_224536, ['B'])
   Exit: (229) [system] atom_chars('B', ['B'])
^  Exit: (228) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (228) [system] integer('B')
   Fail: (228) [system] integer('B')
   Call: (228) [system] _176936='B'
   Exit: (228) [system] 'B'='B'
^  Exit: (227) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (226) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (225) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (225) [user] read_list(')', (0x55772f068e50), _239486)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _241344)
   Exit: (227) [system] peek_char((0x55772f068e50), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
   Call: (227) [system] ')'=(/)
   Fail: (227) [system] ')'=(/)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _257354)
   Exit: (226) [system] peek_char((0x55772f068e50), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x55772f068e50), _261144)
   Exit: (226) [system] get_char((0x55772f068e50), ')')
   Call: (226) [system] _239486=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x55772f068e50), [])
   Call: (225) [system] _140276=['B']
   Exit: (225) [system] ['B']=['B']
^  Exit: (224) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (224) [system] _42938=['A', 'B']
   Exit: (224) [system] ['A', 'B']=['A', 'B']
^  Exit: (223) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (223) [system] _5260=['AndLink', 'A', 'B']
   Exit: (223) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (222) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (221) [user] read_list(')', (0x55772f068e50), _275026)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _276884)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x55772f068e50), _286478)
   Exit: (223) [system] get_char((0x55772f068e50), ' ')
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _289182)
   Exit: (224) [system] peek_char((0x55772f068e50), 'C')
   Call: (224) [system] 'C'=(;)
   Fail: (224) [system] 'C'=(;)
   Call: (224) [system] 'C'=(/)
   Fail: (224) [system] 'C'=(/)
^  Call: (224) [user] is_like_space('C')
   Call: (225) [system] char_type('C', 'white')
   Fail: (225) [system] char_type('C', 'white')
   Call: (225) [system] char_type('C', end_of_line)
   Fail: (225) [system] char_type('C', end_of_line)
   Call: (225) [system] char_type('C', space)
   Fail: (225) [system] char_type('C', space)
   Call: (225) [system] char_type('C', cntrl)
   Fail: (225) [system] char_type('C', cntrl)
^  Fail: (224) [user] is_like_space('C')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _306116)
   Exit: (222) [system] peek_char((0x55772f068e50), 'C')
   Call: (222) [system] 'C'=')'
   Fail: (222) [system] 'C'=')'
   Call: (222) [system] 'C'=end_of_file
   Fail: (222) [system] 'C'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _311686)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _313544)
   Exit: (224) [system] peek_char((0x55772f068e50), 'C')
   Call: (224) [system] 'C'=(;)
   Fail: (224) [system] 'C'=(;)
   Call: (224) [system] 'C'=(/)
   Fail: (224) [system] 'C'=(/)
^  Call: (224) [user] is_like_space('C')
   Call: (225) [system] char_type('C', 'white')
   Fail: (225) [system] char_type('C', 'white')
   Call: (225) [system] char_type('C', end_of_line)
   Fail: (225) [system] char_type('C', end_of_line)
   Call: (225) [system] char_type('C', space)
   Fail: (225) [system] char_type('C', space)
   Call: (225) [system] char_type('C', cntrl)
   Fail: (225) [system] char_type('C', cntrl)
^  Fail: (224) [user] is_like_space('C')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _329554)
   Exit: (223) [system] get_char((0x55772f068e50), 'C')
   Call: (223) [system] 'C'='('
   Fail: (223) [system] 'C'='('
   Call: (223) [system] 'C'='['
   Fail: (223) [system] 'C'='['
   Call: (223) [system] 'C'='{'
   Fail: (223) [system] 'C'='{'
   Call: (223) [system] 'C'='"'
   Fail: (223) [system] 'C'='"'
   Call: (223) [system] 'C'=!
   Fail: (223) [system] 'C'=!
   Call: (223) [system] 'C'='\''
   Fail: (223) [system] 'C'='\''
   Call: (223) [system] 'C'='`'
   Fail: (223) [system] 'C'='`'
   Call: (223) [system] 'C'=end_of_file
   Fail: (223) [system] 'C'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x55772f068e50), 'C', _311686)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _347196)
   Call: (225) [system] peek_char((0x55772f068e50), _348130)
   Exit: (225) [system] peek_char((0x55772f068e50), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_352850, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _347196=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (224) [user] classify_and_convert_charseq(['C'], _311686)
^  Call: (225) [user] classify_and_convert_charseq_(['C'], _359286)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_360238, _360240), once(user:catch(read_from_chars(['C'], _359286), _360220, fail)), '$restore_trace'(_360238, _360240))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_360238, _360240))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _359286), _360220, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_359286)
   Fail: (226) [system] atomic(_359286)
   Call: (226) [system] atom_chars(_359286, ['C'])
   Exit: (226) [system] atom_chars('C', ['C'])
^  Exit: (225) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (225) [system] integer('C')
   Fail: (225) [system] integer('C')
   Call: (225) [system] _311686='C'
   Exit: (225) [system] 'C'='C'
^  Exit: (224) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (223) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (222) [user] read_list(')', (0x55772f068e50), _374236)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _376094)
   Exit: (224) [system] peek_char((0x55772f068e50), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
   Call: (224) [system] ')'=(/)
   Fail: (224) [system] ')'=(/)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _392104)
   Exit: (223) [system] peek_char((0x55772f068e50), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x55772f068e50), _395894)
   Exit: (223) [system] get_char((0x55772f068e50), ')')
   Call: (223) [system] _374236=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x55772f068e50), [])
   Call: (222) [system] _275026=['C']
   Exit: (222) [system] ['C']=['C']
^  Exit: (221) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (221) [system] _5256=[['AndLink', 'A', 'B'], 'C']
   Exit: (221) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (220) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (220) [system] _5248=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (220) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (219) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (218) [user] read_list(')', (0x55772f068e50), _409776)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _411634)
   Exit: (220) [system] peek_char((0x55772f068e50), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
   Call: (220) [system] ')'=(/)
   Fail: (220) [system] ')'=(/)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _427644)
   Exit: (219) [system] peek_char((0x55772f068e50), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x55772f068e50), _431434)
   Exit: (219) [system] get_char((0x55772f068e50), ')')
   Call: (219) [system] _409776=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x55772f068e50), [])
   Call: (218) [system] _5244=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (218) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (217) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (217) [system] _5202=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (217) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (216) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (216) [system] _5194=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (216) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (215) [user] read_list(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (214) [user] read_list(')', (0x55772f068e50), _445316)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _447174)
   Exit: (216) [system] peek_char((0x55772f068e50), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _463184)
   Exit: (215) [system] peek_char((0x55772f068e50), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x55772f068e50), _466974)
   Exit: (215) [system] get_char((0x55772f068e50), ')')
   Call: (215) [system] _445316=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x55772f068e50), [])
   Call: (214) [system] _5190=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (214) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (213) [user] read_list(')', (0x55772f068e50), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (213) [system] _5166=[['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (213) [system] [['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (212) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (212) [system] _5158=[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (212) [system] [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (211) [user] read_list(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (210) [user] cont_sexpr(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (210) [user] read_list(')', (0x55772f068e50), _480856)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _482714)
   Exit: (212) [system] peek_char((0x55772f068e50), '\n')
   Call: (212) [system] '\n'=(;)
   Fail: (212) [system] '\n'=(;)
   Call: (212) [system] '\n'=(/)
   Fail: (212) [system] '\n'=(/)
^  Call: (212) [user] is_like_space('\n')
   Call: (213) [system] char_type('\n', 'white')
   Fail: (213) [system] char_type('\n', 'white')
   Call: (213) [system] char_type('\n', end_of_line)
   Exit: (213) [system] char_type('\n', end_of_line)
^  Exit: (212) [user] is_like_space('\n')
   Call: (212) [system] get_char((0x55772f068e50), _494164)
   Exit: (212) [system] get_char((0x55772f068e50), '\n')
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _496868)
   Exit: (213) [system] peek_char((0x55772f068e50), '\t')
   Call: (213) [system] '\t'=(;)
   Fail: (213) [system] '\t'=(;)
   Call: (213) [system] '\t'=(/)
   Fail: (213) [system] '\t'=(/)
^  Call: (213) [user] is_like_space('\t')
   Call: (214) [system] char_type('\t', 'white')
   Exit: (214) [system] char_type('\t', 'white')
^  Exit: (213) [user] is_like_space('\t')
   Call: (213) [system] get_char((0x55772f068e50), _506462)
   Exit: (213) [system] get_char((0x55772f068e50), '\t')
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _509166)
   Exit: (214) [system] peek_char((0x55772f068e50), '\t')
   Call: (214) [system] '\t'=(;)
   Fail: (214) [system] '\t'=(;)
   Call: (214) [system] '\t'=(/)
   Fail: (214) [system] '\t'=(/)
^  Call: (214) [user] is_like_space('\t')
   Call: (215) [system] char_type('\t', 'white')
   Exit: (215) [system] char_type('\t', 'white')
^  Exit: (214) [user] is_like_space('\t')
   Call: (214) [system] get_char((0x55772f068e50), _518760)
   Exit: (214) [system] get_char((0x55772f068e50), '\t')
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _521464)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x55772f068e50), _531058)
   Exit: (215) [system] get_char((0x55772f068e50), ' ')
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _533762)
   Exit: (216) [system] peek_char((0x55772f068e50), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _553468)
   Exit: (211) [system] peek_char((0x55772f068e50), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x55772f068e50), _559038)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _560896)
   Exit: (213) [system] peek_char((0x55772f068e50), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] get_char((0x55772f068e50), _576906)
   Exit: (212) [system] get_char((0x55772f068e50), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x55772f068e50), _559038)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _582476)
   Exit: (214) [system] peek_char((0x55772f068e50), :)
   Call: (214) [system] (:)=(;)
   Fail: (214) [system] (:)=(;)
   Call: (214) [system] (:)=(/)
   Fail: (214) [system] (:)=(/)
^  Call: (214) [user] is_like_space(:)
   Call: (215) [system] char_type(:, 'white')
   Fail: (215) [system] char_type(:, 'white')
   Call: (215) [system] char_type(:, end_of_line)
   Fail: (215) [system] char_type(:, end_of_line)
   Call: (215) [system] char_type(:, space)
   Fail: (215) [system] char_type(:, space)
   Call: (215) [system] char_type(:, cntrl)
   Fail: (215) [system] char_type(:, cntrl)
^  Fail: (214) [user] is_like_space(:)
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _598486)
   Exit: (213) [system] peek_char((0x55772f068e50), :)
   Call: (213) [system] (:)=')'
   Fail: (213) [system] (:)=')'
   Call: (213) [system] (:)=end_of_file
   Fail: (213) [system] (:)=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _604056)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _605914)
   Exit: (215) [system] peek_char((0x55772f068e50), :)
   Call: (215) [system] (:)=(;)
   Fail: (215) [system] (:)=(;)
   Call: (215) [system] (:)=(/)
   Fail: (215) [system] (:)=(/)
^  Call: (215) [user] is_like_space(:)
   Call: (216) [system] char_type(:, 'white')
   Fail: (216) [system] char_type(:, 'white')
   Call: (216) [system] char_type(:, end_of_line)
   Fail: (216) [system] char_type(:, end_of_line)
   Call: (216) [system] char_type(:, space)
   Fail: (216) [system] char_type(:, space)
   Call: (216) [system] char_type(:, cntrl)
   Fail: (216) [system] char_type(:, cntrl)
^  Fail: (215) [user] is_like_space(:)
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _621924)
   Exit: (214) [system] get_char((0x55772f068e50), :)
   Call: (214) [system] (:)='('
   Fail: (214) [system] (:)='('
   Call: (214) [system] (:)='['
   Fail: (214) [system] (:)='['
   Call: (214) [system] (:)='{'
   Fail: (214) [system] (:)='{'
   Call: (214) [system] (:)='"'
   Fail: (214) [system] (:)='"'
   Call: (214) [system] (:)=!
   Fail: (214) [system] (:)=!
   Call: (214) [system] (:)='\''
   Fail: (214) [system] (:)='\''
   Call: (214) [system] (:)='`'
   Fail: (214) [system] (:)='`'
   Call: (214) [system] (:)=end_of_file
   Fail: (214) [system] (:)=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x55772f068e50), :, _604056)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _639566)
   Call: (216) [system] peek_char((0x55772f068e50), _640500)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _639566=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (215) [user] classify_and_convert_charseq([:], _604056)
^  Call: (216) [user] classify_and_convert_charseq_([:], _649784)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_650736, _650738), once(user:catch(read_from_chars([:], _649784), _650718, fail)), '$restore_trace'(_650736, _650738))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_650736, _650738))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _650718, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(:)
   Exit: (217) [system] atomic(:)
^  Exit: (216) [user] classify_and_convert_charseq_([:], :)
   Call: (216) [system] integer(:)
   Fail: (216) [system] integer(:)
   Call: (216) [system] _604056=(:)
   Exit: (216) [system] (:)=(:)
^  Exit: (215) [user] classify_and_convert_charseq([:], :)
^  Exit: (214) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (213) [user] read_list(')', (0x55772f068e50), _662864)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _664722)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x55772f068e50), _674316)
   Exit: (215) [system] get_char((0x55772f068e50), ' ')
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _677020)
   Exit: (216) [system] peek_char((0x55772f068e50), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _693954)
   Exit: (214) [system] peek_char((0x55772f068e50), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _699524)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _701382)
   Exit: (216) [system] peek_char((0x55772f068e50), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _717392)
   Exit: (215) [system] get_char((0x55772f068e50), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x55772f068e50), _699524)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _722962)
   Exit: (217) [system] peek_char((0x55772f068e50), 'D')
   Call: (217) [system] 'D'=(;)
   Fail: (217) [system] 'D'=(;)
   Call: (217) [system] 'D'=(/)
   Fail: (217) [system] 'D'=(/)
^  Call: (217) [user] is_like_space('D')
   Call: (218) [system] char_type('D', 'white')
   Fail: (218) [system] char_type('D', 'white')
   Call: (218) [system] char_type('D', end_of_line)
   Fail: (218) [system] char_type('D', end_of_line)
   Call: (218) [system] char_type('D', space)
   Fail: (218) [system] char_type('D', space)
   Call: (218) [system] char_type('D', cntrl)
   Fail: (218) [system] char_type('D', cntrl)
^  Fail: (217) [user] is_like_space('D')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _738972)
   Exit: (216) [system] peek_char((0x55772f068e50), 'D')
   Call: (216) [system] 'D'=')'
   Fail: (216) [system] 'D'=')'
   Call: (216) [system] 'D'=end_of_file
   Fail: (216) [system] 'D'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x55772f068e50), _744542)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _746400)
   Exit: (218) [system] peek_char((0x55772f068e50), 'D')
   Call: (218) [system] 'D'=(;)
   Fail: (218) [system] 'D'=(;)
   Call: (218) [system] 'D'=(/)
   Fail: (218) [system] 'D'=(/)
^  Call: (218) [user] is_like_space('D')
   Call: (219) [system] char_type('D', 'white')
   Fail: (219) [system] char_type('D', 'white')
   Call: (219) [system] char_type('D', end_of_line)
   Fail: (219) [system] char_type('D', end_of_line)
   Call: (219) [system] char_type('D', space)
   Fail: (219) [system] char_type('D', space)
   Call: (219) [system] char_type('D', cntrl)
   Fail: (219) [system] char_type('D', cntrl)
^  Fail: (218) [user] is_like_space('D')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] get_char((0x55772f068e50), _762410)
   Exit: (217) [system] get_char((0x55772f068e50), 'D')
   Call: (217) [system] 'D'='('
   Fail: (217) [system] 'D'='('
   Call: (217) [system] 'D'='['
   Fail: (217) [system] 'D'='['
   Call: (217) [system] 'D'='{'
   Fail: (217) [system] 'D'='{'
   Call: (217) [system] 'D'='"'
   Fail: (217) [system] 'D'='"'
   Call: (217) [system] 'D'=!
   Fail: (217) [system] 'D'=!
   Call: (217) [system] 'D'='\''
   Fail: (217) [system] 'D'='\''
   Call: (217) [system] 'D'='`'
   Fail: (217) [system] 'D'='`'
   Call: (217) [system] 'D'=end_of_file
   Fail: (217) [system] 'D'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x55772f068e50), 'D', _744542)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _780052)
   Call: (219) [system] peek_char((0x55772f068e50), _780986)
   Exit: (219) [system] peek_char((0x55772f068e50), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_785706, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_786638, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x55772f068e50), i)
   Exit: (219) [system] get_char((0x55772f068e50), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _793988)
   Call: (220) [system] peek_char((0x55772f068e50), _794922)
   Exit: (220) [system] peek_char((0x55772f068e50), s)
^  Call: (220) [user] is_delimiter(s)
   Call: (221) [system] char_type(s, space)
   Fail: (221) [system] char_type(s, space)
   Call: (221) [system] arg(_799642, v('(', ')', end_of_file), s)
   Fail: (221) [system] arg(_800574, v('(', ')', end_of_file), s)
^  Fail: (220) [user] is_delimiter(s)
   Call: (220) [system] ')'==s
   Fail: (220) [system] ')'==s
   Call: (220) [system] get_char((0x55772f068e50), s)
   Exit: (220) [system] get_char((0x55772f068e50), s)
   Call: (220) [system] s=(\)
   Fail: (220) [system] s=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _807924)
   Call: (221) [system] peek_char((0x55772f068e50), _808858)
   Exit: (221) [system] peek_char((0x55772f068e50), j)
^  Call: (221) [user] is_delimiter(j)
   Call: (222) [system] char_type(j, space)
   Fail: (222) [system] char_type(j, space)
   Call: (222) [system] arg(_813578, v('(', ')', end_of_file), j)
   Fail: (222) [system] arg(_814510, v('(', ')', end_of_file), j)
^  Fail: (221) [user] is_delimiter(j)
   Call: (221) [system] ')'==j
   Fail: (221) [system] ')'==j
   Call: (221) [system] get_char((0x55772f068e50), j)
   Exit: (221) [system] get_char((0x55772f068e50), j)
   Call: (221) [system] j=(\)
   Fail: (221) [system] j=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _821860)
   Call: (222) [system] peek_char((0x55772f068e50), _822794)
   Exit: (222) [system] peek_char((0x55772f068e50), u)
^  Call: (222) [user] is_delimiter(u)
   Call: (223) [system] char_type(u, space)
   Fail: (223) [system] char_type(u, space)
   Call: (223) [system] arg(_827514, v('(', ')', end_of_file), u)
   Fail: (223) [system] arg(_828446, v('(', ')', end_of_file), u)
^  Fail: (222) [user] is_delimiter(u)
   Call: (222) [system] ')'==u
   Fail: (222) [system] ')'==u
   Call: (222) [system] get_char((0x55772f068e50), u)
   Exit: (222) [system] get_char((0x55772f068e50), u)
   Call: (222) [system] u=(\)
   Fail: (222) [system] u=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _835796)
   Call: (223) [system] peek_char((0x55772f068e50), _836730)
   Exit: (223) [system] peek_char((0x55772f068e50), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_841450, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_842382, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x55772f068e50), n)
   Exit: (223) [system] get_char((0x55772f068e50), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _849732)
   Call: (224) [system] peek_char((0x55772f068e50), _850666)
   Exit: (224) [system] peek_char((0x55772f068e50), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_855386, v('(', ')', end_of_file), c)
   Fail: (225) [system] arg(_856318, v('(', ')', end_of_file), c)
^  Fail: (224) [user] is_delimiter(c)
   Call: (224) [system] ')'==c
   Fail: (224) [system] ')'==c
   Call: (224) [system] get_char((0x55772f068e50), c)
   Exit: (224) [system] get_char((0x55772f068e50), c)
   Call: (224) [system] c=(\)
   Fail: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _863668)
   Call: (225) [system] peek_char((0x55772f068e50), _864602)
   Exit: (225) [system] peek_char((0x55772f068e50), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_869322, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_870254, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x55772f068e50), t)
   Exit: (225) [system] get_char((0x55772f068e50), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _877604)
   Call: (226) [system] peek_char((0x55772f068e50), _878538)
   Exit: (226) [system] peek_char((0x55772f068e50), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_883258, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_884190, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x55772f068e50), i)
   Exit: (226) [system] get_char((0x55772f068e50), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _891540)
   Call: (227) [system] peek_char((0x55772f068e50), _892474)
   Exit: (227) [system] peek_char((0x55772f068e50), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_897194, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_898126, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x55772f068e50), o)
   Exit: (227) [system] get_char((0x55772f068e50), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _905476)
   Call: (228) [system] peek_char((0x55772f068e50), _906410)
   Exit: (228) [system] peek_char((0x55772f068e50), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_911130, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_912062, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x55772f068e50), n)
   Exit: (228) [system] get_char((0x55772f068e50), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _919412)
   Call: (229) [system] peek_char((0x55772f068e50), _920346)
   Exit: (229) [system] peek_char((0x55772f068e50), 'I')
^  Call: (229) [user] is_delimiter('I')
   Call: (230) [system] char_type('I', space)
   Fail: (230) [system] char_type('I', space)
   Call: (230) [system] arg(_925066, v('(', ')', end_of_file), 'I')
   Fail: (230) [system] arg(_925998, v('(', ')', end_of_file), 'I')
^  Fail: (229) [user] is_delimiter('I')
   Call: (229) [system] ')'=='I'
   Fail: (229) [system] ')'=='I'
   Call: (229) [system] get_char((0x55772f068e50), 'I')
   Exit: (229) [system] get_char((0x55772f068e50), 'I')
   Call: (229) [system] 'I'=(\)
   Fail: (229) [system] 'I'=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _933348)
   Call: (230) [system] peek_char((0x55772f068e50), _934282)
   Exit: (230) [system] peek_char((0x55772f068e50), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_939002, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_939934, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x55772f068e50), n)
   Exit: (230) [system] get_char((0x55772f068e50), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _947284)
   Call: (231) [system] peek_char((0x55772f068e50), _948218)
   Exit: (231) [system] peek_char((0x55772f068e50), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Fail: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_952938, v('(', ')', end_of_file), t)
   Fail: (232) [system] arg(_953870, v('(', ')', end_of_file), t)
^  Fail: (231) [user] is_delimiter(t)
   Call: (231) [system] ')'==t
   Fail: (231) [system] ')'==t
   Call: (231) [system] get_char((0x55772f068e50), t)
   Exit: (231) [system] get_char((0x55772f068e50), t)
   Call: (231) [system] t=(\)
   Fail: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _961220)
   Call: (232) [system] peek_char((0x55772f068e50), _962154)
   Exit: (232) [system] peek_char((0x55772f068e50), r)
^  Call: (232) [user] is_delimiter(r)
   Call: (233) [system] char_type(r, space)
   Fail: (233) [system] char_type(r, space)
   Call: (233) [system] arg(_966874, v('(', ')', end_of_file), r)
   Fail: (233) [system] arg(_967806, v('(', ')', end_of_file), r)
^  Fail: (232) [user] is_delimiter(r)
   Call: (232) [system] ')'==r
   Fail: (232) [system] ')'==r
   Call: (232) [system] get_char((0x55772f068e50), r)
   Exit: (232) [system] get_char((0x55772f068e50), r)
   Call: (232) [system] r=(\)
   Fail: (232) [system] r=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _975156)
   Call: (233) [system] peek_char((0x55772f068e50), _976090)
   Exit: (233) [system] peek_char((0x55772f068e50), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Fail: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_980810, v('(', ')', end_of_file), o)
   Fail: (234) [system] arg(_981742, v('(', ')', end_of_file), o)
^  Fail: (233) [user] is_delimiter(o)
   Call: (233) [system] ')'==o
   Fail: (233) [system] ')'==o
   Call: (233) [system] get_char((0x55772f068e50), o)
   Exit: (233) [system] get_char((0x55772f068e50), o)
   Call: (233) [system] o=(\)
   Fail: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _989092)
   Call: (234) [system] peek_char((0x55772f068e50), _990026)
   Exit: (234) [system] peek_char((0x55772f068e50), d)
^  Call: (234) [user] is_delimiter(d)
   Call: (235) [system] char_type(d, space)
   Fail: (235) [system] char_type(d, space)
   Call: (235) [system] arg(_994746, v('(', ')', end_of_file), d)
   Fail: (235) [system] arg(_995678, v('(', ')', end_of_file), d)
^  Fail: (234) [user] is_delimiter(d)
   Call: (234) [system] ')'==d
   Fail: (234) [system] ')'==d
   Call: (234) [system] get_char((0x55772f068e50), d)
   Exit: (234) [system] get_char((0x55772f068e50), d)
   Call: (234) [system] d=(\)
   Fail: (234) [system] d=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1003028)
   Call: (235) [system] peek_char((0x55772f068e50), _1003962)
   Exit: (235) [system] peek_char((0x55772f068e50), u)
^  Call: (235) [user] is_delimiter(u)
   Call: (236) [system] char_type(u, space)
   Fail: (236) [system] char_type(u, space)
   Call: (236) [system] arg(_1008682, v('(', ')', end_of_file), u)
   Fail: (236) [system] arg(_1009614, v('(', ')', end_of_file), u)
^  Fail: (235) [user] is_delimiter(u)
   Call: (235) [system] ')'==u
   Fail: (235) [system] ')'==u
   Call: (235) [system] get_char((0x55772f068e50), u)
   Exit: (235) [system] get_char((0x55772f068e50), u)
   Call: (235) [system] u=(\)
   Fail: (235) [system] u=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1016964)
   Call: (236) [system] peek_char((0x55772f068e50), _1017898)
   Exit: (236) [system] peek_char((0x55772f068e50), c)
^  Call: (236) [user] is_delimiter(c)
   Call: (237) [system] char_type(c, space)
   Fail: (237) [system] char_type(c, space)
   Call: (237) [system] arg(_1022618, v('(', ')', end_of_file), c)
   Fail: (237) [system] arg(_1023550, v('(', ')', end_of_file), c)
^  Fail: (236) [user] is_delimiter(c)
   Call: (236) [system] ')'==c
   Fail: (236) [system] ')'==c
   Call: (236) [system] get_char((0x55772f068e50), c)
   Exit: (236) [system] get_char((0x55772f068e50), c)
   Call: (236) [system] c=(\)
   Fail: (236) [system] c=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1030900)
   Call: (237) [system] peek_char((0x55772f068e50), _1031834)
   Exit: (237) [system] peek_char((0x55772f068e50), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Fail: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_1036554, v('(', ')', end_of_file), t)
   Fail: (238) [system] arg(_1037486, v('(', ')', end_of_file), t)
^  Fail: (237) [user] is_delimiter(t)
   Call: (237) [system] ')'==t
   Fail: (237) [system] ')'==t
   Call: (237) [system] get_char((0x55772f068e50), t)
   Exit: (237) [system] get_char((0x55772f068e50), t)
   Call: (237) [system] t=(\)
   Fail: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _1044836)
   Call: (238) [system] peek_char((0x55772f068e50), _1045770)
   Exit: (238) [system] peek_char((0x55772f068e50), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Fail: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_1050490, v('(', ')', end_of_file), i)
   Fail: (239) [system] arg(_1051422, v('(', ')', end_of_file), i)
^  Fail: (238) [user] is_delimiter(i)
   Call: (238) [system] ')'==i
   Fail: (238) [system] ')'==i
   Call: (238) [system] get_char((0x55772f068e50), i)
   Exit: (238) [system] get_char((0x55772f068e50), i)
   Call: (238) [system] i=(\)
   Fail: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _1058772)
   Call: (239) [system] peek_char((0x55772f068e50), _1059706)
   Exit: (239) [system] peek_char((0x55772f068e50), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Fail: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_1064426, v('(', ')', end_of_file), o)
   Fail: (240) [system] arg(_1065358, v('(', ')', end_of_file), o)
^  Fail: (239) [user] is_delimiter(o)
   Call: (239) [system] ')'==o
   Fail: (239) [system] ')'==o
   Call: (239) [system] get_char((0x55772f068e50), o)
   Exit: (239) [system] get_char((0x55772f068e50), o)
   Call: (239) [system] o=(\)
   Fail: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _1072708)
   Call: (240) [system] peek_char((0x55772f068e50), _1073642)
   Exit: (240) [system] peek_char((0x55772f068e50), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Fail: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_1078362, v('(', ')', end_of_file), n)
   Fail: (241) [system] arg(_1079294, v('(', ')', end_of_file), n)
^  Fail: (240) [user] is_delimiter(n)
   Call: (240) [system] ')'==n
   Fail: (240) [system] ')'==n
   Call: (240) [system] get_char((0x55772f068e50), n)
   Exit: (240) [system] get_char((0x55772f068e50), n)
   Call: (240) [system] n=(\)
   Fail: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _1086644)
   Call: (241) [system] peek_char((0x55772f068e50), _1087578)
   Exit: (241) [system] peek_char((0x55772f068e50), ' ')
^  Call: (241) [user] is_delimiter(' ')
   Call: (242) [system] char_type(' ', space)
   Exit: (242) [system] char_type(' ', space)
^  Exit: (241) [user] is_delimiter(' ')
   Call: (241) [system] _1086644=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (240) [system] _1072708=[n]
   Exit: (240) [system] [n]=[n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (239) [system] _1058772=[o, n]
   Exit: (239) [system] [o, n]=[o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (238) [system] _1044836=[i, o, n]
   Exit: (238) [system] [i, o, n]=[i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (237) [system] _1030900=[t, i, o, n]
   Exit: (237) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (236) [system] _1016964=[c, t, i, o, n]
   Exit: (236) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (235) [system] _1003028=[u, c, t, i, o, n]
   Exit: (235) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (234) [system] _989092=[d, u, c, t, i, o, n]
   Exit: (234) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (233) [system] _975156=[o, d, u, c, t, i, o, n]
   Exit: (233) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (232) [system] _961220=[r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _947284=[t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _933348=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _919412=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _905476=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _891540=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _877604=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _863668=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _849732=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _835796=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _821860=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _807924=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _793988=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _780052=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (218) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _744542)
^  Call: (219) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1158330)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1159282, _1159284), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1158330), _1159264, fail)), '$restore_trace'(_1159282, _1159284))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1159282, _1159284))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1158330), _1159264, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1158330)
   Fail: (220) [system] atomic(_1158330)
   Call: (220) [system] atom_chars(_1158330, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (220) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (219) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (219) [system] integer('DisjunctionIntroduction')
   Fail: (219) [system] integer('DisjunctionIntroduction')
   Call: (219) [system] _744542='DisjunctionIntroduction'
   Exit: (219) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (218) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (217) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (216) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (216) [user] read_list(')', (0x55772f068e50), _1173280)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1175138)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x55772f068e50), _1184732)
   Exit: (218) [system] get_char((0x55772f068e50), ' ')
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1187436)
   Exit: (219) [system] peek_char((0x55772f068e50), a)
   Call: (219) [system] a=(;)
   Fail: (219) [system] a=(;)
   Call: (219) [system] a=(/)
   Fail: (219) [system] a=(/)
^  Call: (219) [user] is_like_space(a)
   Call: (220) [system] char_type(a, 'white')
   Fail: (220) [system] char_type(a, 'white')
   Call: (220) [system] char_type(a, end_of_line)
   Fail: (220) [system] char_type(a, end_of_line)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] char_type(a, cntrl)
   Fail: (220) [system] char_type(a, cntrl)
^  Fail: (219) [user] is_like_space(a)
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1204370)
   Exit: (217) [system] peek_char((0x55772f068e50), a)
   Call: (217) [system] a=')'
   Fail: (217) [system] a=')'
   Call: (217) [system] a=end_of_file
   Fail: (217) [system] a=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _1209940)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1211798)
   Exit: (219) [system] peek_char((0x55772f068e50), a)
   Call: (219) [system] a=(;)
   Fail: (219) [system] a=(;)
   Call: (219) [system] a=(/)
   Fail: (219) [system] a=(/)
^  Call: (219) [user] is_like_space(a)
   Call: (220) [system] char_type(a, 'white')
   Fail: (220) [system] char_type(a, 'white')
   Call: (220) [system] char_type(a, end_of_line)
   Fail: (220) [system] char_type(a, end_of_line)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] char_type(a, cntrl)
   Fail: (220) [system] char_type(a, cntrl)
^  Fail: (219) [user] is_like_space(a)
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _1227808)
   Exit: (218) [system] get_char((0x55772f068e50), a)
   Call: (218) [system] a='('
   Fail: (218) [system] a='('
   Call: (218) [system] a='['
   Fail: (218) [system] a='['
   Call: (218) [system] a='{'
   Fail: (218) [system] a='{'
   Call: (218) [system] a='"'
   Fail: (218) [system] a='"'
   Call: (218) [system] a=!
   Fail: (218) [system] a=!
   Call: (218) [system] a='\''
   Fail: (218) [system] a='\''
   Call: (218) [system] a='`'
   Fail: (218) [system] a='`'
   Call: (218) [system] a=end_of_file
   Fail: (218) [system] a=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x55772f068e50), a, _1209940)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1245450)
   Call: (220) [system] peek_char((0x55772f068e50), _1246384)
   Exit: (220) [system] peek_char((0x55772f068e50), b)
^  Call: (220) [user] is_delimiter(b)
   Call: (221) [system] char_type(b, space)
   Fail: (221) [system] char_type(b, space)
   Call: (221) [system] arg(_1251104, v('(', ')', end_of_file), b)
   Fail: (221) [system] arg(_1252036, v('(', ')', end_of_file), b)
^  Fail: (220) [user] is_delimiter(b)
   Call: (220) [system] ')'==b
   Fail: (220) [system] ')'==b
   Call: (220) [system] get_char((0x55772f068e50), b)
   Exit: (220) [system] get_char((0x55772f068e50), b)
   Call: (220) [system] b=(\)
   Fail: (220) [system] b=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1259386)
   Call: (221) [system] peek_char((0x55772f068e50), _1260320)
   Exit: (221) [system] peek_char((0x55772f068e50), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Fail: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_1265040, v('(', ')', end_of_file), c)
   Fail: (222) [system] arg(_1265972, v('(', ')', end_of_file), c)
^  Fail: (221) [user] is_delimiter(c)
   Call: (221) [system] ')'==c
   Fail: (221) [system] ')'==c
   Call: (221) [system] get_char((0x55772f068e50), c)
   Exit: (221) [system] get_char((0x55772f068e50), c)
   Call: (221) [system] c=(\)
   Fail: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1273322)
   Call: (222) [system] peek_char((0x55772f068e50), _1274256)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _1273322=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (221) [system] _1259386=[c]
   Exit: (221) [system] [c]=[c]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (220) [system] _1245450=[b, c]
   Exit: (220) [system] [b, c]=[b, c]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (219) [user] classify_and_convert_charseq([a, b, c], _1209940)
^  Call: (220) [user] classify_and_convert_charseq_([a, b, c], _1289128)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1290080, _1290082), once(user:catch(read_from_chars([a, b, c], _1289128), _1290062, fail)), '$restore_trace'(_1290080, _1290082))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1290080, _1290082))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1290062, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(abc)
   Exit: (221) [system] atomic(abc)
^  Exit: (220) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (220) [system] integer(abc)
   Fail: (220) [system] integer(abc)
   Call: (220) [system] _1209940=abc
   Exit: (220) [system] abc=abc
^  Exit: (219) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (218) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (217) [user] read_list(')', (0x55772f068e50), _1302208)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1304066)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x55772f068e50), _1313660)
   Exit: (219) [system] get_char((0x55772f068e50), ' ')
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1316364)
   Exit: (220) [system] peek_char((0x55772f068e50), c)
   Call: (220) [system] c=(;)
   Fail: (220) [system] c=(;)
   Call: (220) [system] c=(/)
   Fail: (220) [system] c=(/)
^  Call: (220) [user] is_like_space(c)
   Call: (221) [system] char_type(c, 'white')
   Fail: (221) [system] char_type(c, 'white')
   Call: (221) [system] char_type(c, end_of_line)
   Fail: (221) [system] char_type(c, end_of_line)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] char_type(c, cntrl)
   Fail: (221) [system] char_type(c, cntrl)
^  Fail: (220) [user] is_like_space(c)
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1333298)
   Exit: (218) [system] peek_char((0x55772f068e50), c)
   Call: (218) [system] c=')'
   Fail: (218) [system] c=')'
   Call: (218) [system] c=end_of_file
   Fail: (218) [system] c=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _1338868)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1340726)
   Exit: (220) [system] peek_char((0x55772f068e50), c)
   Call: (220) [system] c=(;)
   Fail: (220) [system] c=(;)
   Call: (220) [system] c=(/)
   Fail: (220) [system] c=(/)
^  Call: (220) [user] is_like_space(c)
   Call: (221) [system] char_type(c, 'white')
   Fail: (221) [system] char_type(c, 'white')
   Call: (221) [system] char_type(c, end_of_line)
   Fail: (221) [system] char_type(c, end_of_line)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] char_type(c, cntrl)
   Fail: (221) [system] char_type(c, cntrl)
^  Fail: (220) [user] is_like_space(c)
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _1356736)
   Exit: (219) [system] get_char((0x55772f068e50), c)
   Call: (219) [system] c='('
   Fail: (219) [system] c='('
   Call: (219) [system] c='['
   Fail: (219) [system] c='['
   Call: (219) [system] c='{'
   Fail: (219) [system] c='{'
   Call: (219) [system] c='"'
   Fail: (219) [system] c='"'
   Call: (219) [system] c=!
   Fail: (219) [system] c=!
   Call: (219) [system] c='\''
   Fail: (219) [system] c='\''
   Call: (219) [system] c='`'
   Fail: (219) [system] c='`'
   Call: (219) [system] c=end_of_file
   Fail: (219) [system] c=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x55772f068e50), c, _1338868)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1374378)
   Call: (221) [system] peek_char((0x55772f068e50), _1375312)
   Exit: (221) [system] peek_char((0x55772f068e50), d)
^  Call: (221) [user] is_delimiter(d)
   Call: (222) [system] char_type(d, space)
   Fail: (222) [system] char_type(d, space)
   Call: (222) [system] arg(_1380032, v('(', ')', end_of_file), d)
   Fail: (222) [system] arg(_1380964, v('(', ')', end_of_file), d)
^  Fail: (221) [user] is_delimiter(d)
   Call: (221) [system] ')'==d
   Fail: (221) [system] ')'==d
   Call: (221) [system] get_char((0x55772f068e50), d)
   Exit: (221) [system] get_char((0x55772f068e50), d)
   Call: (221) [system] d=(\)
   Fail: (221) [system] d=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1388314)
   Call: (222) [system] peek_char((0x55772f068e50), _1389248)
   Exit: (222) [system] peek_char((0x55772f068e50), e)
^  Call: (222) [user] is_delimiter(e)
   Call: (223) [system] char_type(e, space)
   Fail: (223) [system] char_type(e, space)
   Call: (223) [system] arg(_1393968, v('(', ')', end_of_file), e)
   Fail: (223) [system] arg(_1394900, v('(', ')', end_of_file), e)
^  Fail: (222) [user] is_delimiter(e)
   Call: (222) [system] ')'==e
   Fail: (222) [system] ')'==e
   Call: (222) [system] get_char((0x55772f068e50), e)
   Exit: (222) [system] get_char((0x55772f068e50), e)
   Call: (222) [system] e=(\)
   Fail: (222) [system] e=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1402250)
   Call: (223) [system] peek_char((0x55772f068e50), _1403184)
   Exit: (223) [system] peek_char((0x55772f068e50), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_1407904, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _1402250=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (222) [system] _1388314=[e]
   Exit: (222) [system] [e]=[e]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (221) [system] _1374378=[d, e]
   Exit: (221) [system] [d, e]=[d, e]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [d, e])
^  Call: (220) [user] classify_and_convert_charseq([c, d, e], _1338868)
^  Call: (221) [user] classify_and_convert_charseq_([c, d, e], _1419928)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_1420880, _1420882), once(user:catch(read_from_chars([c, d, e], _1419928), _1420862, fail)), '$restore_trace'(_1420880, _1420882))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_1420880, _1420882))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1420862, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(cde)
   Exit: (222) [system] atomic(cde)
^  Exit: (221) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (221) [system] integer(cde)
   Fail: (221) [system] integer(cde)
   Call: (221) [system] _1338868=cde
   Exit: (221) [system] cde=cde
^  Exit: (220) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (219) [user] read_symbolic(')', (0x55772f068e50), c, cde)
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), cde)
^  Call: (218) [user] read_list(')', (0x55772f068e50), _1433008)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1434866)
   Exit: (220) [system] peek_char((0x55772f068e50), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
   Call: (220) [system] ')'=(/)
   Fail: (220) [system] ')'=(/)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1450876)
   Exit: (219) [system] peek_char((0x55772f068e50), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x55772f068e50), _1454666)
   Exit: (219) [system] get_char((0x55772f068e50), ')')
   Call: (219) [system] _1433008=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x55772f068e50), [])
   Call: (218) [system] _1302208=[cde]
   Exit: (218) [system] [cde]=[cde]
^  Exit: (217) [user] read_list(')', (0x55772f068e50), [cde])
   Call: (217) [system] _1173280=[abc, cde]
   Exit: (217) [system] [abc, cde]=[abc, cde]
^  Exit: (216) [user] read_list(')', (0x55772f068e50), [abc, cde])
   Call: (216) [system] _699524=['DisjunctionIntroduction', abc, cde]
   Exit: (216) [system] ['DisjunctionIntroduction', abc, cde]=['DisjunctionIntroduction', abc, cde]
^  Exit: (215) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, cde])
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, cde])
^  Call: (214) [user] read_list(')', (0x55772f068e50), _1468548)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1470406)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x55772f068e50), _1480000)
   Exit: (216) [system] get_char((0x55772f068e50), ' ')
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1482704)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1499638)
   Exit: (215) [system] peek_char((0x55772f068e50), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x55772f068e50), _1505208)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1507066)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] get_char((0x55772f068e50), _1523076)
   Exit: (216) [system] get_char((0x55772f068e50), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x55772f068e50), _1505208)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1528646)
   Exit: (218) [system] peek_char((0x55772f068e50), 'O')
   Call: (218) [system] 'O'=(;)
   Fail: (218) [system] 'O'=(;)
   Call: (218) [system] 'O'=(/)
   Fail: (218) [system] 'O'=(/)
^  Call: (218) [user] is_like_space('O')
   Call: (219) [system] char_type('O', 'white')
   Fail: (219) [system] char_type('O', 'white')
   Call: (219) [system] char_type('O', end_of_line)
   Fail: (219) [system] char_type('O', end_of_line)
   Call: (219) [system] char_type('O', space)
   Fail: (219) [system] char_type('O', space)
   Call: (219) [system] char_type('O', cntrl)
   Fail: (219) [system] char_type('O', cntrl)
^  Fail: (218) [user] is_like_space('O')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1544656)
   Exit: (217) [system] peek_char((0x55772f068e50), 'O')
   Call: (217) [system] 'O'=')'
   Fail: (217) [system] 'O'=')'
   Call: (217) [system] 'O'=end_of_file
   Fail: (217) [system] 'O'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _1550226)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1552084)
   Exit: (219) [system] peek_char((0x55772f068e50), 'O')
   Call: (219) [system] 'O'=(;)
   Fail: (219) [system] 'O'=(;)
   Call: (219) [system] 'O'=(/)
   Fail: (219) [system] 'O'=(/)
^  Call: (219) [user] is_like_space('O')
   Call: (220) [system] char_type('O', 'white')
   Fail: (220) [system] char_type('O', 'white')
   Call: (220) [system] char_type('O', end_of_line)
   Fail: (220) [system] char_type('O', end_of_line)
   Call: (220) [system] char_type('O', space)
   Fail: (220) [system] char_type('O', space)
   Call: (220) [system] char_type('O', cntrl)
   Fail: (220) [system] char_type('O', cntrl)
^  Fail: (219) [user] is_like_space('O')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _1568094)
   Exit: (218) [system] get_char((0x55772f068e50), 'O')
   Call: (218) [system] 'O'='('
   Fail: (218) [system] 'O'='('
   Call: (218) [system] 'O'='['
   Fail: (218) [system] 'O'='['
   Call: (218) [system] 'O'='{'
   Fail: (218) [system] 'O'='{'
   Call: (218) [system] 'O'='"'
   Fail: (218) [system] 'O'='"'
   Call: (218) [system] 'O'=!
   Fail: (218) [system] 'O'=!
   Call: (218) [system] 'O'='\''
   Fail: (218) [system] 'O'='\''
   Call: (218) [system] 'O'='`'
   Fail: (218) [system] 'O'='`'
   Call: (218) [system] 'O'=end_of_file
   Fail: (218) [system] 'O'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x55772f068e50), 'O', _1550226)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1585736)
   Call: (220) [system] peek_char((0x55772f068e50), _1586670)
   Exit: (220) [system] peek_char((0x55772f068e50), r)
^  Call: (220) [user] is_delimiter(r)
   Call: (221) [system] char_type(r, space)
   Fail: (221) [system] char_type(r, space)
   Call: (221) [system] arg(_1591390, v('(', ')', end_of_file), r)
   Fail: (221) [system] arg(_1592322, v('(', ')', end_of_file), r)
^  Fail: (220) [user] is_delimiter(r)
   Call: (220) [system] ')'==r
   Fail: (220) [system] ')'==r
   Call: (220) [system] get_char((0x55772f068e50), r)
   Exit: (220) [system] get_char((0x55772f068e50), r)
   Call: (220) [system] r=(\)
   Fail: (220) [system] r=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1599672)
   Call: (221) [system] peek_char((0x55772f068e50), _1600606)
   Exit: (221) [system] peek_char((0x55772f068e50), 'L')
^  Call: (221) [user] is_delimiter('L')
   Call: (222) [system] char_type('L', space)
   Fail: (222) [system] char_type('L', space)
   Call: (222) [system] arg(_1605326, v('(', ')', end_of_file), 'L')
   Fail: (222) [system] arg(_1606258, v('(', ')', end_of_file), 'L')
^  Fail: (221) [user] is_delimiter('L')
   Call: (221) [system] ')'=='L'
   Fail: (221) [system] ')'=='L'
   Call: (221) [system] get_char((0x55772f068e50), 'L')
   Exit: (221) [system] get_char((0x55772f068e50), 'L')
   Call: (221) [system] 'L'=(\)
   Fail: (221) [system] 'L'=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1613608)
   Call: (222) [system] peek_char((0x55772f068e50), _1614542)
   Exit: (222) [system] peek_char((0x55772f068e50), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1619262, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_1620194, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x55772f068e50), i)
   Exit: (222) [system] get_char((0x55772f068e50), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1627544)
   Call: (223) [system] peek_char((0x55772f068e50), _1628478)
   Exit: (223) [system] peek_char((0x55772f068e50), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1633198, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_1634130, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x55772f068e50), n)
   Exit: (223) [system] get_char((0x55772f068e50), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1641480)
   Call: (224) [system] peek_char((0x55772f068e50), _1642414)
   Exit: (224) [system] peek_char((0x55772f068e50), k)
^  Call: (224) [user] is_delimiter(k)
   Call: (225) [system] char_type(k, space)
   Fail: (225) [system] char_type(k, space)
   Call: (225) [system] arg(_1647134, v('(', ')', end_of_file), k)
   Fail: (225) [system] arg(_1648066, v('(', ')', end_of_file), k)
^  Fail: (224) [user] is_delimiter(k)
   Call: (224) [system] ')'==k
   Fail: (224) [system] ')'==k
   Call: (224) [system] get_char((0x55772f068e50), k)
   Exit: (224) [system] get_char((0x55772f068e50), k)
   Call: (224) [system] k=(\)
   Fail: (224) [system] k=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1655416)
   Call: (225) [system] peek_char((0x55772f068e50), _1656350)
   Exit: (225) [system] peek_char((0x55772f068e50), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _1655416=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (224) [system] _1641480=[k]
   Exit: (224) [system] [k]=[k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (223) [system] _1627544=[n, k]
   Exit: (223) [system] [n, k]=[n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (222) [system] _1613608=[i, n, k]
   Exit: (222) [system] [i, n, k]=[i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (221) [system] _1599672=['L', i, n, k]
   Exit: (221) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (220) [system] _1585736=[r, 'L', i, n, k]
   Exit: (220) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (219) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1550226)
^  Call: (220) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1679604)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1680556, _1680558), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1679604), _1680538, fail)), '$restore_trace'(_1680556, _1680558))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1680556, _1680558))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1679604), _1680538, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_1679604)
   Fail: (221) [system] atomic(_1679604)
   Call: (221) [system] atom_chars(_1679604, ['O', r, 'L', i, n, k])
   Exit: (221) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (220) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (220) [system] integer('OrLink')
   Fail: (220) [system] integer('OrLink')
   Call: (220) [system] _1550226='OrLink'
   Exit: (220) [system] 'OrLink'='OrLink'
^  Exit: (219) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (218) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (217) [user] read_list(')', (0x55772f068e50), _1694554)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1696412)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x55772f068e50), _1706006)
   Exit: (219) [system] get_char((0x55772f068e50), ' ')
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1708710)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1725644)
   Exit: (218) [system] peek_char((0x55772f068e50), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _1731214)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1733072)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _1749082)
   Exit: (219) [system] get_char((0x55772f068e50), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x55772f068e50), _1731214)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1754652)
   Exit: (221) [system] peek_char((0x55772f068e50), 'I')
   Call: (221) [system] 'I'=(;)
   Fail: (221) [system] 'I'=(;)
   Call: (221) [system] 'I'=(/)
   Fail: (221) [system] 'I'=(/)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Fail: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Fail: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
   Fail: (222) [system] char_type('I', cntrl)
^  Fail: (221) [user] is_like_space('I')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1770662)
   Exit: (220) [system] peek_char((0x55772f068e50), 'I')
   Call: (220) [system] 'I'=')'
   Fail: (220) [system] 'I'=')'
   Call: (220) [system] 'I'=end_of_file
   Fail: (220) [system] 'I'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _1776232)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1778090)
   Exit: (222) [system] peek_char((0x55772f068e50), 'I')
   Call: (222) [system] 'I'=(;)
   Fail: (222) [system] 'I'=(;)
   Call: (222) [system] 'I'=(/)
   Fail: (222) [system] 'I'=(/)
^  Call: (222) [user] is_like_space('I')
   Call: (223) [system] char_type('I', 'white')
   Fail: (223) [system] char_type('I', 'white')
   Call: (223) [system] char_type('I', end_of_line)
   Fail: (223) [system] char_type('I', end_of_line)
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] char_type('I', cntrl)
   Fail: (223) [system] char_type('I', cntrl)
^  Fail: (222) [user] is_like_space('I')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _1794100)
   Exit: (221) [system] get_char((0x55772f068e50), 'I')
   Call: (221) [system] 'I'='('
   Fail: (221) [system] 'I'='('
   Call: (221) [system] 'I'='['
   Fail: (221) [system] 'I'='['
   Call: (221) [system] 'I'='{'
   Fail: (221) [system] 'I'='{'
   Call: (221) [system] 'I'='"'
   Fail: (221) [system] 'I'='"'
   Call: (221) [system] 'I'=!
   Fail: (221) [system] 'I'=!
   Call: (221) [system] 'I'='\''
   Fail: (221) [system] 'I'='\''
   Call: (221) [system] 'I'='`'
   Fail: (221) [system] 'I'='`'
   Call: (221) [system] 'I'=end_of_file
   Fail: (221) [system] 'I'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x55772f068e50), 'I', _1776232)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1811742)
   Call: (223) [system] peek_char((0x55772f068e50), _1812676)
   Exit: (223) [system] peek_char((0x55772f068e50), m)
^  Call: (223) [user] is_delimiter(m)
   Call: (224) [system] char_type(m, space)
   Fail: (224) [system] char_type(m, space)
   Call: (224) [system] arg(_1817396, v('(', ')', end_of_file), m)
   Fail: (224) [system] arg(_1818328, v('(', ')', end_of_file), m)
^  Fail: (223) [user] is_delimiter(m)
   Call: (223) [system] ')'==m
   Fail: (223) [system] ')'==m
   Call: (223) [system] get_char((0x55772f068e50), m)
   Exit: (223) [system] get_char((0x55772f068e50), m)
   Call: (223) [system] m=(\)
   Fail: (223) [system] m=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1825678)
   Call: (224) [system] peek_char((0x55772f068e50), _1826612)
   Exit: (224) [system] peek_char((0x55772f068e50), p)
^  Call: (224) [user] is_delimiter(p)
   Call: (225) [system] char_type(p, space)
   Fail: (225) [system] char_type(p, space)
   Call: (225) [system] arg(_1831332, v('(', ')', end_of_file), p)
   Fail: (225) [system] arg(_1832264, v('(', ')', end_of_file), p)
^  Fail: (224) [user] is_delimiter(p)
   Call: (224) [system] ')'==p
   Fail: (224) [system] ')'==p
   Call: (224) [system] get_char((0x55772f068e50), p)
   Exit: (224) [system] get_char((0x55772f068e50), p)
   Call: (224) [system] p=(\)
   Fail: (224) [system] p=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1839614)
   Call: (225) [system] peek_char((0x55772f068e50), _1840548)
   Exit: (225) [system] peek_char((0x55772f068e50), l)
^  Call: (225) [user] is_delimiter(l)
   Call: (226) [system] char_type(l, space)
   Fail: (226) [system] char_type(l, space)
   Call: (226) [system] arg(_1845268, v('(', ')', end_of_file), l)
   Fail: (226) [system] arg(_1846200, v('(', ')', end_of_file), l)
^  Fail: (225) [user] is_delimiter(l)
   Call: (225) [system] ')'==l
   Fail: (225) [system] ')'==l
   Call: (225) [system] get_char((0x55772f068e50), l)
   Exit: (225) [system] get_char((0x55772f068e50), l)
   Call: (225) [system] l=(\)
   Fail: (225) [system] l=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1853550)
   Call: (226) [system] peek_char((0x55772f068e50), _1854484)
   Exit: (226) [system] peek_char((0x55772f068e50), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_1859204, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_1860136, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x55772f068e50), i)
   Exit: (226) [system] get_char((0x55772f068e50), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1867486)
   Call: (227) [system] peek_char((0x55772f068e50), _1868420)
   Exit: (227) [system] peek_char((0x55772f068e50), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_1873140, v('(', ')', end_of_file), c)
   Fail: (228) [system] arg(_1874072, v('(', ')', end_of_file), c)
^  Fail: (227) [user] is_delimiter(c)
   Call: (227) [system] ')'==c
   Fail: (227) [system] ')'==c
   Call: (227) [system] get_char((0x55772f068e50), c)
   Exit: (227) [system] get_char((0x55772f068e50), c)
   Call: (227) [system] c=(\)
   Fail: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1881422)
   Call: (228) [system] peek_char((0x55772f068e50), _1882356)
   Exit: (228) [system] peek_char((0x55772f068e50), a)
^  Call: (228) [user] is_delimiter(a)
   Call: (229) [system] char_type(a, space)
   Fail: (229) [system] char_type(a, space)
   Call: (229) [system] arg(_1887076, v('(', ')', end_of_file), a)
   Fail: (229) [system] arg(_1888008, v('(', ')', end_of_file), a)
^  Fail: (228) [user] is_delimiter(a)
   Call: (228) [system] ')'==a
   Fail: (228) [system] ')'==a
   Call: (228) [system] get_char((0x55772f068e50), a)
   Exit: (228) [system] get_char((0x55772f068e50), a)
   Call: (228) [system] a=(\)
   Fail: (228) [system] a=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1895358)
   Call: (229) [system] peek_char((0x55772f068e50), _1896292)
   Exit: (229) [system] peek_char((0x55772f068e50), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_1901012, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_1901944, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x55772f068e50), t)
   Exit: (229) [system] get_char((0x55772f068e50), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1909294)
   Call: (230) [system] peek_char((0x55772f068e50), _1910228)
   Exit: (230) [system] peek_char((0x55772f068e50), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1914948, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_1915880, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x55772f068e50), i)
   Exit: (230) [system] get_char((0x55772f068e50), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1923230)
   Call: (231) [system] peek_char((0x55772f068e50), _1924164)
   Exit: (231) [system] peek_char((0x55772f068e50), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_1928884, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_1929816, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x55772f068e50), o)
   Exit: (231) [system] get_char((0x55772f068e50), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1937166)
   Call: (232) [system] peek_char((0x55772f068e50), _1938100)
   Exit: (232) [system] peek_char((0x55772f068e50), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_1942820, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_1943752, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x55772f068e50), n)
   Exit: (232) [system] get_char((0x55772f068e50), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1951102)
   Call: (233) [system] peek_char((0x55772f068e50), _1952036)
   Exit: (233) [system] peek_char((0x55772f068e50), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _1951102=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (232) [system] _1937166=[n]
   Exit: (232) [system] [n]=[n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (231) [system] _1923230=[o, n]
   Exit: (231) [system] [o, n]=[o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (230) [system] _1909294=[i, o, n]
   Exit: (230) [system] [i, o, n]=[i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (229) [system] _1895358=[t, i, o, n]
   Exit: (229) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (228) [system] _1881422=[a, t, i, o, n]
   Exit: (228) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (227) [system] _1867486=[c, a, t, i, o, n]
   Exit: (227) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (226) [system] _1853550=[i, c, a, t, i, o, n]
   Exit: (226) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (225) [system] _1839614=[l, i, c, a, t, i, o, n]
   Exit: (225) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (224) [system] _1825678=[p, l, i, c, a, t, i, o, n]
   Exit: (224) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (223) [system] _1811742=[m, p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (222) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1776232)
^  Call: (223) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1989260)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1990212, _1990214), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1989260), _1990194, fail)), '$restore_trace'(_1990212, _1990214))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1990212, _1990214))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1989260), _1990194, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1989260)
   Fail: (224) [system] atomic(_1989260)
   Call: (224) [system] atom_chars(_1989260, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (224) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (223) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (223) [system] integer('Implication')
   Fail: (223) [system] integer('Implication')
   Call: (223) [system] _1776232='Implication'
   Exit: (223) [system] 'Implication'='Implication'
^  Exit: (222) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (221) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (220) [user] read_list(')', (0x55772f068e50), _2004210)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _2006068)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x55772f068e50), _2015662)
   Exit: (222) [system] get_char((0x55772f068e50), ' ')
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _2018366)
   Exit: (223) [system] peek_char((0x55772f068e50), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _2035300)
   Exit: (221) [system] peek_char((0x55772f068e50), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _2040870)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _2042728)
   Exit: (223) [system] peek_char((0x55772f068e50), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _2058738)
   Exit: (222) [system] get_char((0x55772f068e50), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x55772f068e50), _2040870)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _2064308)
   Exit: (224) [system] peek_char((0x55772f068e50), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
   Call: (224) [system] 'A'=(/)
   Fail: (224) [system] 'A'=(/)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _2080318)
   Exit: (223) [system] peek_char((0x55772f068e50), 'A')
   Call: (223) [system] 'A'=')'
   Fail: (223) [system] 'A'=')'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x55772f068e50), _2085888)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _2087746)
   Exit: (225) [system] peek_char((0x55772f068e50), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] get_char((0x55772f068e50), _12372)
   Exit: (224) [system] get_char((0x55772f068e50), 'A')
   Call: (224) [system] 'A'='('
   Fail: (224) [system] 'A'='('
   Call: (224) [system] 'A'='['
   Fail: (224) [system] 'A'='['
   Call: (224) [system] 'A'='{'
   Fail: (224) [system] 'A'='{'
   Call: (224) [system] 'A'='"'
   Fail: (224) [system] 'A'='"'
   Call: (224) [system] 'A'=!
   Fail: (224) [system] 'A'=!
   Call: (224) [system] 'A'='\''
   Fail: (224) [system] 'A'='\''
   Call: (224) [system] 'A'='`'
   Fail: (224) [system] 'A'='`'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x55772f068e50), 'A', _5356)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _30014)
   Call: (226) [system] peek_char((0x55772f068e50), _30948)
   Exit: (226) [system] peek_char((0x55772f068e50), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_35668, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_36600, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x55772f068e50), n)
   Exit: (226) [system] get_char((0x55772f068e50), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _43950)
   Call: (227) [system] peek_char((0x55772f068e50), _44884)
   Exit: (227) [system] peek_char((0x55772f068e50), d)
^  Call: (227) [user] is_delimiter(d)
   Call: (228) [system] char_type(d, space)
   Fail: (228) [system] char_type(d, space)
   Call: (228) [system] arg(_49604, v('(', ')', end_of_file), d)
   Fail: (228) [system] arg(_50536, v('(', ')', end_of_file), d)
^  Fail: (227) [user] is_delimiter(d)
   Call: (227) [system] ')'==d
   Fail: (227) [system] ')'==d
   Call: (227) [system] get_char((0x55772f068e50), d)
   Exit: (227) [system] get_char((0x55772f068e50), d)
   Call: (227) [system] d=(\)
   Fail: (227) [system] d=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _57886)
   Call: (228) [system] peek_char((0x55772f068e50), _58820)
   Exit: (228) [system] peek_char((0x55772f068e50), 'L')
^  Call: (228) [user] is_delimiter('L')
   Call: (229) [system] char_type('L', space)
   Fail: (229) [system] char_type('L', space)
   Call: (229) [system] arg(_63540, v('(', ')', end_of_file), 'L')
   Fail: (229) [system] arg(_64472, v('(', ')', end_of_file), 'L')
^  Fail: (228) [user] is_delimiter('L')
   Call: (228) [system] ')'=='L'
   Fail: (228) [system] ')'=='L'
   Call: (228) [system] get_char((0x55772f068e50), 'L')
   Exit: (228) [system] get_char((0x55772f068e50), 'L')
   Call: (228) [system] 'L'=(\)
   Fail: (228) [system] 'L'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _71822)
   Call: (229) [system] peek_char((0x55772f068e50), _72756)
   Exit: (229) [system] peek_char((0x55772f068e50), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_77476, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_78408, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x55772f068e50), i)
   Exit: (229) [system] get_char((0x55772f068e50), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _85758)
   Call: (230) [system] peek_char((0x55772f068e50), _86692)
   Exit: (230) [system] peek_char((0x55772f068e50), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_91412, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_92344, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x55772f068e50), n)
   Exit: (230) [system] get_char((0x55772f068e50), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _99694)
   Call: (231) [system] peek_char((0x55772f068e50), _100628)
   Exit: (231) [system] peek_char((0x55772f068e50), k)
^  Call: (231) [user] is_delimiter(k)
   Call: (232) [system] char_type(k, space)
   Fail: (232) [system] char_type(k, space)
   Call: (232) [system] arg(_105348, v('(', ')', end_of_file), k)
   Fail: (232) [system] arg(_106280, v('(', ')', end_of_file), k)
^  Fail: (231) [user] is_delimiter(k)
   Call: (231) [system] ')'==k
   Fail: (231) [system] ')'==k
   Call: (231) [system] get_char((0x55772f068e50), k)
   Exit: (231) [system] get_char((0x55772f068e50), k)
   Call: (231) [system] k=(\)
   Fail: (231) [system] k=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _113630)
   Call: (232) [system] peek_char((0x55772f068e50), _114564)
   Exit: (232) [system] peek_char((0x55772f068e50), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _113630=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (231) [system] _99694=[k]
   Exit: (231) [system] [k]=[k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (230) [system] _85758=[n, k]
   Exit: (230) [system] [n, k]=[n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (229) [system] _71822=[i, n, k]
   Exit: (229) [system] [i, n, k]=[i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (228) [system] _57886=['L', i, n, k]
   Exit: (228) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (227) [system] _43950=[d, 'L', i, n, k]
   Exit: (227) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (226) [system] _30014=[n, d, 'L', i, n, k]
   Exit: (226) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (225) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _5356)
^  Call: (226) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _140612)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_141564, _141566), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _140612), _141546, fail)), '$restore_trace'(_141564, _141566))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_141564, _141566))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _140612), _141546, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_140612)
   Fail: (227) [system] atomic(_140612)
   Call: (227) [system] atom_chars(_140612, ['A', n, d, 'L', i, n, k])
   Exit: (227) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (226) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (226) [system] integer('AndLink')
   Fail: (226) [system] integer('AndLink')
   Call: (226) [system] _5356='AndLink'
   Exit: (226) [system] 'AndLink'='AndLink'
^  Exit: (225) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (224) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (223) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (223) [user] read_list(')', (0x55772f068e50), _155562)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _157420)
   Exit: (225) [system] peek_char((0x55772f068e50), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x55772f068e50), _167014)
   Exit: (225) [system] get_char((0x55772f068e50), ' ')
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _169718)
   Exit: (226) [system] peek_char((0x55772f068e50), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
   Call: (226) [system] 'A'=(/)
   Fail: (226) [system] 'A'=(/)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _186652)
   Exit: (224) [system] peek_char((0x55772f068e50), 'A')
   Call: (224) [system] 'A'=')'
   Fail: (224) [system] 'A'=')'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x55772f068e50), _192222)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _194080)
   Exit: (226) [system] peek_char((0x55772f068e50), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
   Call: (226) [system] 'A'=(/)
   Fail: (226) [system] 'A'=(/)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] get_char((0x55772f068e50), _210090)
   Exit: (225) [system] get_char((0x55772f068e50), 'A')
   Call: (225) [system] 'A'='('
   Fail: (225) [system] 'A'='('
   Call: (225) [system] 'A'='['
   Fail: (225) [system] 'A'='['
   Call: (225) [system] 'A'='{'
   Fail: (225) [system] 'A'='{'
   Call: (225) [system] 'A'='"'
   Fail: (225) [system] 'A'='"'
   Call: (225) [system] 'A'=!
   Fail: (225) [system] 'A'=!
   Call: (225) [system] 'A'='\''
   Fail: (225) [system] 'A'='\''
   Call: (225) [system] 'A'='`'
   Fail: (225) [system] 'A'='`'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x55772f068e50), 'A', _192222)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _227732)
   Call: (227) [system] peek_char((0x55772f068e50), _228666)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _227732=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (226) [user] classify_and_convert_charseq(['A'], _192222)
^  Call: (227) [user] classify_and_convert_charseq_(['A'], _237950)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_238902, _238904), once(user:catch(read_from_chars(['A'], _237950), _238884, fail)), '$restore_trace'(_238902, _238904))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_238902, _238904))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _237950), _238884, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_237950)
   Fail: (228) [system] atomic(_237950)
   Call: (228) [system] atom_chars(_237950, ['A'])
   Exit: (228) [system] atom_chars('A', ['A'])
^  Exit: (227) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (227) [system] integer('A')
   Fail: (227) [system] integer('A')
   Call: (227) [system] _192222='A'
   Exit: (227) [system] 'A'='A'
^  Exit: (226) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (225) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (224) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (224) [user] read_list(')', (0x55772f068e50), _252900)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _254758)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x55772f068e50), _264352)
   Exit: (226) [system] get_char((0x55772f068e50), ' ')
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _267056)
   Exit: (227) [system] peek_char((0x55772f068e50), 'B')
   Call: (227) [system] 'B'=(;)
   Fail: (227) [system] 'B'=(;)
   Call: (227) [system] 'B'=(/)
   Fail: (227) [system] 'B'=(/)
^  Call: (227) [user] is_like_space('B')
   Call: (228) [system] char_type('B', 'white')
   Fail: (228) [system] char_type('B', 'white')
   Call: (228) [system] char_type('B', end_of_line)
   Fail: (228) [system] char_type('B', end_of_line)
   Call: (228) [system] char_type('B', space)
   Fail: (228) [system] char_type('B', space)
   Call: (228) [system] char_type('B', cntrl)
   Fail: (228) [system] char_type('B', cntrl)
^  Fail: (227) [user] is_like_space('B')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _283990)
   Exit: (225) [system] peek_char((0x55772f068e50), 'B')
   Call: (225) [system] 'B'=')'
   Fail: (225) [system] 'B'=')'
   Call: (225) [system] 'B'=end_of_file
   Fail: (225) [system] 'B'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x55772f068e50), _289560)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _291418)
   Exit: (227) [system] peek_char((0x55772f068e50), 'B')
   Call: (227) [system] 'B'=(;)
   Fail: (227) [system] 'B'=(;)
   Call: (227) [system] 'B'=(/)
   Fail: (227) [system] 'B'=(/)
^  Call: (227) [user] is_like_space('B')
   Call: (228) [system] char_type('B', 'white')
   Fail: (228) [system] char_type('B', 'white')
   Call: (228) [system] char_type('B', end_of_line)
   Fail: (228) [system] char_type('B', end_of_line)
   Call: (228) [system] char_type('B', space)
   Fail: (228) [system] char_type('B', space)
   Call: (228) [system] char_type('B', cntrl)
   Fail: (228) [system] char_type('B', cntrl)
^  Fail: (227) [user] is_like_space('B')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] get_char((0x55772f068e50), _307428)
   Exit: (226) [system] get_char((0x55772f068e50), 'B')
   Call: (226) [system] 'B'='('
   Fail: (226) [system] 'B'='('
   Call: (226) [system] 'B'='['
   Fail: (226) [system] 'B'='['
   Call: (226) [system] 'B'='{'
   Fail: (226) [system] 'B'='{'
   Call: (226) [system] 'B'='"'
   Fail: (226) [system] 'B'='"'
   Call: (226) [system] 'B'=!
   Fail: (226) [system] 'B'=!
   Call: (226) [system] 'B'='\''
   Fail: (226) [system] 'B'='\''
   Call: (226) [system] 'B'='`'
   Fail: (226) [system] 'B'='`'
   Call: (226) [system] 'B'=end_of_file
   Fail: (226) [system] 'B'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x55772f068e50), 'B', _289560)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _325070)
   Call: (228) [system] peek_char((0x55772f068e50), _326004)
   Exit: (228) [system] peek_char((0x55772f068e50), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_330724, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _325070=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (227) [user] classify_and_convert_charseq(['B'], _289560)
^  Call: (228) [user] classify_and_convert_charseq_(['B'], _337160)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_338112, _338114), once(user:catch(read_from_chars(['B'], _337160), _338094, fail)), '$restore_trace'(_338112, _338114))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_338112, _338114))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _337160), _338094, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_337160)
   Fail: (229) [system] atomic(_337160)
   Call: (229) [system] atom_chars(_337160, ['B'])
   Exit: (229) [system] atom_chars('B', ['B'])
^  Exit: (228) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (228) [system] integer('B')
   Fail: (228) [system] integer('B')
   Call: (228) [system] _289560='B'
   Exit: (228) [system] 'B'='B'
^  Exit: (227) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (226) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (225) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (225) [user] read_list(')', (0x55772f068e50), _352110)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _353968)
   Exit: (227) [system] peek_char((0x55772f068e50), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
   Call: (227) [system] ')'=(/)
   Fail: (227) [system] ')'=(/)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _369978)
   Exit: (226) [system] peek_char((0x55772f068e50), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x55772f068e50), _373768)
   Exit: (226) [system] get_char((0x55772f068e50), ')')
   Call: (226) [system] _352110=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x55772f068e50), [])
   Call: (225) [system] _252900=['B']
   Exit: (225) [system] ['B']=['B']
^  Exit: (224) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (224) [system] _155562=['A', 'B']
   Exit: (224) [system] ['A', 'B']=['A', 'B']
^  Exit: (223) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (223) [system] _5350=['AndLink', 'A', 'B']
   Exit: (223) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (222) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (221) [user] read_list(')', (0x55772f068e50), _387650)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _389508)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x55772f068e50), _399102)
   Exit: (223) [system] get_char((0x55772f068e50), ' ')
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _401806)
   Exit: (224) [system] peek_char((0x55772f068e50), 'C')
   Call: (224) [system] 'C'=(;)
   Fail: (224) [system] 'C'=(;)
   Call: (224) [system] 'C'=(/)
   Fail: (224) [system] 'C'=(/)
^  Call: (224) [user] is_like_space('C')
   Call: (225) [system] char_type('C', 'white')
   Fail: (225) [system] char_type('C', 'white')
   Call: (225) [system] char_type('C', end_of_line)
   Fail: (225) [system] char_type('C', end_of_line)
   Call: (225) [system] char_type('C', space)
   Fail: (225) [system] char_type('C', space)
   Call: (225) [system] char_type('C', cntrl)
   Fail: (225) [system] char_type('C', cntrl)
^  Fail: (224) [user] is_like_space('C')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _418740)
   Exit: (222) [system] peek_char((0x55772f068e50), 'C')
   Call: (222) [system] 'C'=')'
   Fail: (222) [system] 'C'=')'
   Call: (222) [system] 'C'=end_of_file
   Fail: (222) [system] 'C'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _424310)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _426168)
   Exit: (224) [system] peek_char((0x55772f068e50), 'C')
   Call: (224) [system] 'C'=(;)
   Fail: (224) [system] 'C'=(;)
   Call: (224) [system] 'C'=(/)
   Fail: (224) [system] 'C'=(/)
^  Call: (224) [user] is_like_space('C')
   Call: (225) [system] char_type('C', 'white')
   Fail: (225) [system] char_type('C', 'white')
   Call: (225) [system] char_type('C', end_of_line)
   Fail: (225) [system] char_type('C', end_of_line)
   Call: (225) [system] char_type('C', space)
   Fail: (225) [system] char_type('C', space)
   Call: (225) [system] char_type('C', cntrl)
   Fail: (225) [system] char_type('C', cntrl)
^  Fail: (224) [user] is_like_space('C')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _442178)
   Exit: (223) [system] get_char((0x55772f068e50), 'C')
   Call: (223) [system] 'C'='('
   Fail: (223) [system] 'C'='('
   Call: (223) [system] 'C'='['
   Fail: (223) [system] 'C'='['
   Call: (223) [system] 'C'='{'
   Fail: (223) [system] 'C'='{'
   Call: (223) [system] 'C'='"'
   Fail: (223) [system] 'C'='"'
   Call: (223) [system] 'C'=!
   Fail: (223) [system] 'C'=!
   Call: (223) [system] 'C'='\''
   Fail: (223) [system] 'C'='\''
   Call: (223) [system] 'C'='`'
   Fail: (223) [system] 'C'='`'
   Call: (223) [system] 'C'=end_of_file
   Fail: (223) [system] 'C'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x55772f068e50), 'C', _424310)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _459820)
   Call: (225) [system] peek_char((0x55772f068e50), _460754)
   Exit: (225) [system] peek_char((0x55772f068e50), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_465474, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _459820=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (224) [user] classify_and_convert_charseq(['C'], _424310)
^  Call: (225) [user] classify_and_convert_charseq_(['C'], _471910)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_472862, _472864), once(user:catch(read_from_chars(['C'], _471910), _472844, fail)), '$restore_trace'(_472862, _472864))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_472862, _472864))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _471910), _472844, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_471910)
   Fail: (226) [system] atomic(_471910)
   Call: (226) [system] atom_chars(_471910, ['C'])
   Exit: (226) [system] atom_chars('C', ['C'])
^  Exit: (225) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (225) [system] integer('C')
   Fail: (225) [system] integer('C')
   Call: (225) [system] _424310='C'
   Exit: (225) [system] 'C'='C'
^  Exit: (224) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (223) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (222) [user] read_list(')', (0x55772f068e50), _486860)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _488718)
   Exit: (224) [system] peek_char((0x55772f068e50), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
   Call: (224) [system] ')'=(/)
   Fail: (224) [system] ')'=(/)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _504728)
   Exit: (223) [system] peek_char((0x55772f068e50), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x55772f068e50), _508518)
   Exit: (223) [system] get_char((0x55772f068e50), ')')
   Call: (223) [system] _486860=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x55772f068e50), [])
   Call: (222) [system] _387650=['C']
   Exit: (222) [system] ['C']=['C']
^  Exit: (221) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (221) [system] _5346=[['AndLink', 'A', 'B'], 'C']
   Exit: (221) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (220) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (220) [system] _5338=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (220) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (219) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (218) [user] read_list(')', (0x55772f068e50), _522400)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _524258)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x55772f068e50), _533852)
   Exit: (220) [system] get_char((0x55772f068e50), ' ')
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _536556)
   Exit: (221) [system] peek_char((0x55772f068e50), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _553490)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _559060)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _560918)
   Exit: (221) [system] peek_char((0x55772f068e50), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _576928)
   Exit: (220) [system] get_char((0x55772f068e50), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x55772f068e50), _559060)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _582498)
   Exit: (222) [system] peek_char((0x55772f068e50), 'I')
   Call: (222) [system] 'I'=(;)
   Fail: (222) [system] 'I'=(;)
   Call: (222) [system] 'I'=(/)
   Fail: (222) [system] 'I'=(/)
^  Call: (222) [user] is_like_space('I')
   Call: (223) [system] char_type('I', 'white')
   Fail: (223) [system] char_type('I', 'white')
   Call: (223) [system] char_type('I', end_of_line)
   Fail: (223) [system] char_type('I', end_of_line)
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] char_type('I', cntrl)
   Fail: (223) [system] char_type('I', cntrl)
^  Fail: (222) [user] is_like_space('I')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _598508)
   Exit: (221) [system] peek_char((0x55772f068e50), 'I')
   Call: (221) [system] 'I'=')'
   Fail: (221) [system] 'I'=')'
   Call: (221) [system] 'I'=end_of_file
   Fail: (221) [system] 'I'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _604078)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _605936)
   Exit: (223) [system] peek_char((0x55772f068e50), 'I')
   Call: (223) [system] 'I'=(;)
   Fail: (223) [system] 'I'=(;)
   Call: (223) [system] 'I'=(/)
   Fail: (223) [system] 'I'=(/)
^  Call: (223) [user] is_like_space('I')
   Call: (224) [system] char_type('I', 'white')
   Fail: (224) [system] char_type('I', 'white')
   Call: (224) [system] char_type('I', end_of_line)
   Fail: (224) [system] char_type('I', end_of_line)
   Call: (224) [system] char_type('I', space)
   Fail: (224) [system] char_type('I', space)
   Call: (224) [system] char_type('I', cntrl)
   Fail: (224) [system] char_type('I', cntrl)
^  Fail: (223) [user] is_like_space('I')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _621946)
   Exit: (222) [system] get_char((0x55772f068e50), 'I')
   Call: (222) [system] 'I'='('
   Fail: (222) [system] 'I'='('
   Call: (222) [system] 'I'='['
   Fail: (222) [system] 'I'='['
   Call: (222) [system] 'I'='{'
   Fail: (222) [system] 'I'='{'
   Call: (222) [system] 'I'='"'
   Fail: (222) [system] 'I'='"'
   Call: (222) [system] 'I'=!
   Fail: (222) [system] 'I'=!
   Call: (222) [system] 'I'='\''
   Fail: (222) [system] 'I'='\''
   Call: (222) [system] 'I'='`'
   Fail: (222) [system] 'I'='`'
   Call: (222) [system] 'I'=end_of_file
   Fail: (222) [system] 'I'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x55772f068e50), 'I', _604078)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _639588)
   Call: (224) [system] peek_char((0x55772f068e50), _640522)
   Exit: (224) [system] peek_char((0x55772f068e50), m)
^  Call: (224) [user] is_delimiter(m)
   Call: (225) [system] char_type(m, space)
   Fail: (225) [system] char_type(m, space)
   Call: (225) [system] arg(_645242, v('(', ')', end_of_file), m)
   Fail: (225) [system] arg(_646174, v('(', ')', end_of_file), m)
^  Fail: (224) [user] is_delimiter(m)
   Call: (224) [system] ')'==m
   Fail: (224) [system] ')'==m
   Call: (224) [system] get_char((0x55772f068e50), m)
   Exit: (224) [system] get_char((0x55772f068e50), m)
   Call: (224) [system] m=(\)
   Fail: (224) [system] m=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _653524)
   Call: (225) [system] peek_char((0x55772f068e50), _654458)
   Exit: (225) [system] peek_char((0x55772f068e50), p)
^  Call: (225) [user] is_delimiter(p)
   Call: (226) [system] char_type(p, space)
   Fail: (226) [system] char_type(p, space)
   Call: (226) [system] arg(_659178, v('(', ')', end_of_file), p)
   Fail: (226) [system] arg(_660110, v('(', ')', end_of_file), p)
^  Fail: (225) [user] is_delimiter(p)
   Call: (225) [system] ')'==p
   Fail: (225) [system] ')'==p
   Call: (225) [system] get_char((0x55772f068e50), p)
   Exit: (225) [system] get_char((0x55772f068e50), p)
   Call: (225) [system] p=(\)
   Fail: (225) [system] p=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _667460)
   Call: (226) [system] peek_char((0x55772f068e50), _668394)
   Exit: (226) [system] peek_char((0x55772f068e50), l)
^  Call: (226) [user] is_delimiter(l)
   Call: (227) [system] char_type(l, space)
   Fail: (227) [system] char_type(l, space)
   Call: (227) [system] arg(_673114, v('(', ')', end_of_file), l)
   Fail: (227) [system] arg(_674046, v('(', ')', end_of_file), l)
^  Fail: (226) [user] is_delimiter(l)
   Call: (226) [system] ')'==l
   Fail: (226) [system] ')'==l
   Call: (226) [system] get_char((0x55772f068e50), l)
   Exit: (226) [system] get_char((0x55772f068e50), l)
   Call: (226) [system] l=(\)
   Fail: (226) [system] l=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _681396)
   Call: (227) [system] peek_char((0x55772f068e50), _682330)
   Exit: (227) [system] peek_char((0x55772f068e50), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_687050, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_687982, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x55772f068e50), i)
   Exit: (227) [system] get_char((0x55772f068e50), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _695332)
   Call: (228) [system] peek_char((0x55772f068e50), _696266)
   Exit: (228) [system] peek_char((0x55772f068e50), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_700986, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_701918, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x55772f068e50), c)
   Exit: (228) [system] get_char((0x55772f068e50), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _709268)
   Call: (229) [system] peek_char((0x55772f068e50), _710202)
   Exit: (229) [system] peek_char((0x55772f068e50), a)
^  Call: (229) [user] is_delimiter(a)
   Call: (230) [system] char_type(a, space)
   Fail: (230) [system] char_type(a, space)
   Call: (230) [system] arg(_714922, v('(', ')', end_of_file), a)
   Fail: (230) [system] arg(_715854, v('(', ')', end_of_file), a)
^  Fail: (229) [user] is_delimiter(a)
   Call: (229) [system] ')'==a
   Fail: (229) [system] ')'==a
   Call: (229) [system] get_char((0x55772f068e50), a)
   Exit: (229) [system] get_char((0x55772f068e50), a)
   Call: (229) [system] a=(\)
   Fail: (229) [system] a=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _723204)
   Call: (230) [system] peek_char((0x55772f068e50), _724138)
   Exit: (230) [system] peek_char((0x55772f068e50), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_728858, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_729790, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x55772f068e50), t)
   Exit: (230) [system] get_char((0x55772f068e50), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _737140)
   Call: (231) [system] peek_char((0x55772f068e50), _738074)
   Exit: (231) [system] peek_char((0x55772f068e50), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_742794, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_743726, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x55772f068e50), i)
   Exit: (231) [system] get_char((0x55772f068e50), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _751076)
   Call: (232) [system] peek_char((0x55772f068e50), _752010)
   Exit: (232) [system] peek_char((0x55772f068e50), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_756730, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_757662, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x55772f068e50), o)
   Exit: (232) [system] get_char((0x55772f068e50), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _765012)
   Call: (233) [system] peek_char((0x55772f068e50), _765946)
   Exit: (233) [system] peek_char((0x55772f068e50), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_770666, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_771598, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x55772f068e50), n)
   Exit: (233) [system] get_char((0x55772f068e50), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _778948)
   Call: (234) [system] peek_char((0x55772f068e50), _779882)
   Exit: (234) [system] peek_char((0x55772f068e50), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _778948=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (233) [system] _765012=[n]
   Exit: (233) [system] [n]=[n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (232) [system] _751076=[o, n]
   Exit: (232) [system] [o, n]=[o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (231) [system] _737140=[i, o, n]
   Exit: (231) [system] [i, o, n]=[i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (230) [system] _723204=[t, i, o, n]
   Exit: (230) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (229) [system] _709268=[a, t, i, o, n]
   Exit: (229) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (228) [system] _695332=[c, a, t, i, o, n]
   Exit: (228) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (227) [system] _681396=[i, c, a, t, i, o, n]
   Exit: (227) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (226) [system] _667460=[l, i, c, a, t, i, o, n]
   Exit: (226) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (225) [system] _653524=[p, l, i, c, a, t, i, o, n]
   Exit: (225) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (224) [system] _639588=[m, p, l, i, c, a, t, i, o, n]
   Exit: (224) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (223) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _604078)
^  Call: (224) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _817106)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_818058, _818060), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _817106), _818040, fail)), '$restore_trace'(_818058, _818060))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_818058, _818060))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _817106), _818040, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_817106)
   Fail: (225) [system] atomic(_817106)
   Call: (225) [system] atom_chars(_817106, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (225) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (224) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (224) [system] integer('Implication')
   Fail: (224) [system] integer('Implication')
   Call: (224) [system] _604078='Implication'
   Exit: (224) [system] 'Implication'='Implication'
^  Exit: (223) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (222) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (221) [user] read_list(')', (0x55772f068e50), _832056)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _833914)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x55772f068e50), _843508)
   Exit: (223) [system] get_char((0x55772f068e50), ' ')
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _846212)
   Exit: (224) [system] peek_char((0x55772f068e50), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _863146)
   Exit: (222) [system] peek_char((0x55772f068e50), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _868716)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _870574)
   Exit: (224) [system] peek_char((0x55772f068e50), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _886584)
   Exit: (223) [system] get_char((0x55772f068e50), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x55772f068e50), _868716)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _892154)
   Exit: (225) [system] peek_char((0x55772f068e50), 'O')
   Call: (225) [system] 'O'=(;)
   Fail: (225) [system] 'O'=(;)
   Call: (225) [system] 'O'=(/)
   Fail: (225) [system] 'O'=(/)
^  Call: (225) [user] is_like_space('O')
   Call: (226) [system] char_type('O', 'white')
   Fail: (226) [system] char_type('O', 'white')
   Call: (226) [system] char_type('O', end_of_line)
   Fail: (226) [system] char_type('O', end_of_line)
   Call: (226) [system] char_type('O', space)
   Fail: (226) [system] char_type('O', space)
   Call: (226) [system] char_type('O', cntrl)
   Fail: (226) [system] char_type('O', cntrl)
^  Fail: (225) [user] is_like_space('O')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _908164)
   Exit: (224) [system] peek_char((0x55772f068e50), 'O')
   Call: (224) [system] 'O'=')'
   Fail: (224) [system] 'O'=')'
   Call: (224) [system] 'O'=end_of_file
   Fail: (224) [system] 'O'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x55772f068e50), _913734)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _915592)
   Exit: (226) [system] peek_char((0x55772f068e50), 'O')
   Call: (226) [system] 'O'=(;)
   Fail: (226) [system] 'O'=(;)
   Call: (226) [system] 'O'=(/)
   Fail: (226) [system] 'O'=(/)
^  Call: (226) [user] is_like_space('O')
   Call: (227) [system] char_type('O', 'white')
   Fail: (227) [system] char_type('O', 'white')
   Call: (227) [system] char_type('O', end_of_line)
   Fail: (227) [system] char_type('O', end_of_line)
   Call: (227) [system] char_type('O', space)
   Fail: (227) [system] char_type('O', space)
   Call: (227) [system] char_type('O', cntrl)
   Fail: (227) [system] char_type('O', cntrl)
^  Fail: (226) [user] is_like_space('O')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] get_char((0x55772f068e50), _931602)
   Exit: (225) [system] get_char((0x55772f068e50), 'O')
   Call: (225) [system] 'O'='('
   Fail: (225) [system] 'O'='('
   Call: (225) [system] 'O'='['
   Fail: (225) [system] 'O'='['
   Call: (225) [system] 'O'='{'
   Fail: (225) [system] 'O'='{'
   Call: (225) [system] 'O'='"'
   Fail: (225) [system] 'O'='"'
   Call: (225) [system] 'O'=!
   Fail: (225) [system] 'O'=!
   Call: (225) [system] 'O'='\''
   Fail: (225) [system] 'O'='\''
   Call: (225) [system] 'O'='`'
   Fail: (225) [system] 'O'='`'
   Call: (225) [system] 'O'=end_of_file
   Fail: (225) [system] 'O'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x55772f068e50), 'O', _913734)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _949244)
   Call: (227) [system] peek_char((0x55772f068e50), _950178)
   Exit: (227) [system] peek_char((0x55772f068e50), r)
^  Call: (227) [user] is_delimiter(r)
   Call: (228) [system] char_type(r, space)
   Fail: (228) [system] char_type(r, space)
   Call: (228) [system] arg(_954898, v('(', ')', end_of_file), r)
   Fail: (228) [system] arg(_955830, v('(', ')', end_of_file), r)
^  Fail: (227) [user] is_delimiter(r)
   Call: (227) [system] ')'==r
   Fail: (227) [system] ')'==r
   Call: (227) [system] get_char((0x55772f068e50), r)
   Exit: (227) [system] get_char((0x55772f068e50), r)
   Call: (227) [system] r=(\)
   Fail: (227) [system] r=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _963180)
   Call: (228) [system] peek_char((0x55772f068e50), _964114)
   Exit: (228) [system] peek_char((0x55772f068e50), 'L')
^  Call: (228) [user] is_delimiter('L')
   Call: (229) [system] char_type('L', space)
   Fail: (229) [system] char_type('L', space)
   Call: (229) [system] arg(_968834, v('(', ')', end_of_file), 'L')
   Fail: (229) [system] arg(_969766, v('(', ')', end_of_file), 'L')
^  Fail: (228) [user] is_delimiter('L')
   Call: (228) [system] ')'=='L'
   Fail: (228) [system] ')'=='L'
   Call: (228) [system] get_char((0x55772f068e50), 'L')
   Exit: (228) [system] get_char((0x55772f068e50), 'L')
   Call: (228) [system] 'L'=(\)
   Fail: (228) [system] 'L'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _977116)
   Call: (229) [system] peek_char((0x55772f068e50), _978050)
   Exit: (229) [system] peek_char((0x55772f068e50), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_982770, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_983702, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x55772f068e50), i)
   Exit: (229) [system] get_char((0x55772f068e50), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _991052)
   Call: (230) [system] peek_char((0x55772f068e50), _991986)
   Exit: (230) [system] peek_char((0x55772f068e50), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_996706, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_997638, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x55772f068e50), n)
   Exit: (230) [system] get_char((0x55772f068e50), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1004988)
   Call: (231) [system] peek_char((0x55772f068e50), _1005922)
   Exit: (231) [system] peek_char((0x55772f068e50), k)
^  Call: (231) [user] is_delimiter(k)
   Call: (232) [system] char_type(k, space)
   Fail: (232) [system] char_type(k, space)
   Call: (232) [system] arg(_1010642, v('(', ')', end_of_file), k)
   Fail: (232) [system] arg(_1011574, v('(', ')', end_of_file), k)
^  Fail: (231) [user] is_delimiter(k)
   Call: (231) [system] ')'==k
   Fail: (231) [system] ')'==k
   Call: (231) [system] get_char((0x55772f068e50), k)
   Exit: (231) [system] get_char((0x55772f068e50), k)
   Call: (231) [system] k=(\)
   Fail: (231) [system] k=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1018924)
   Call: (232) [system] peek_char((0x55772f068e50), _1019858)
   Exit: (232) [system] peek_char((0x55772f068e50), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1018924=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (231) [system] _1004988=[k]
   Exit: (231) [system] [k]=[k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (230) [system] _991052=[n, k]
   Exit: (230) [system] [n, k]=[n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (229) [system] _977116=[i, n, k]
   Exit: (229) [system] [i, n, k]=[i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (228) [system] _963180=['L', i, n, k]
   Exit: (228) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (227) [system] _949244=[r, 'L', i, n, k]
   Exit: (227) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (226) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _913734)
^  Call: (227) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1043112)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1044064, _1044066), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1043112), _1044046, fail)), '$restore_trace'(_1044064, _1044066))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1044064, _1044066))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1043112), _1044046, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1043112)
   Fail: (228) [system] atomic(_1043112)
   Call: (228) [system] atom_chars(_1043112, ['O', r, 'L', i, n, k])
   Exit: (228) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (227) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (227) [system] integer('OrLink')
   Fail: (227) [system] integer('OrLink')
   Call: (227) [system] _913734='OrLink'
   Exit: (227) [system] 'OrLink'='OrLink'
^  Exit: (226) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (225) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (224) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (224) [user] read_list(')', (0x55772f068e50), _1058062)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1059920)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x55772f068e50), _1069514)
   Exit: (226) [system] get_char((0x55772f068e50), ' ')
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1072218)
   Exit: (227) [system] peek_char((0x55772f068e50), 'C')
   Call: (227) [system] 'C'=(;)
   Fail: (227) [system] 'C'=(;)
   Call: (227) [system] 'C'=(/)
   Fail: (227) [system] 'C'=(/)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Fail: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Fail: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Fail: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
   Fail: (228) [system] char_type('C', cntrl)
^  Fail: (227) [user] is_like_space('C')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1089152)
   Exit: (225) [system] peek_char((0x55772f068e50), 'C')
   Call: (225) [system] 'C'=')'
   Fail: (225) [system] 'C'=')'
   Call: (225) [system] 'C'=end_of_file
   Fail: (225) [system] 'C'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x55772f068e50), _1094722)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1096580)
   Exit: (227) [system] peek_char((0x55772f068e50), 'C')
   Call: (227) [system] 'C'=(;)
   Fail: (227) [system] 'C'=(;)
   Call: (227) [system] 'C'=(/)
   Fail: (227) [system] 'C'=(/)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Fail: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Fail: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Fail: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
   Fail: (228) [system] char_type('C', cntrl)
^  Fail: (227) [user] is_like_space('C')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] get_char((0x55772f068e50), _1112590)
   Exit: (226) [system] get_char((0x55772f068e50), 'C')
   Call: (226) [system] 'C'='('
   Fail: (226) [system] 'C'='('
   Call: (226) [system] 'C'='['
   Fail: (226) [system] 'C'='['
   Call: (226) [system] 'C'='{'
   Fail: (226) [system] 'C'='{'
   Call: (226) [system] 'C'='"'
   Fail: (226) [system] 'C'='"'
   Call: (226) [system] 'C'=!
   Fail: (226) [system] 'C'=!
   Call: (226) [system] 'C'='\''
   Fail: (226) [system] 'C'='\''
   Call: (226) [system] 'C'='`'
   Fail: (226) [system] 'C'='`'
   Call: (226) [system] 'C'=end_of_file
   Fail: (226) [system] 'C'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x55772f068e50), 'C', _1094722)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1130232)
   Call: (228) [system] peek_char((0x55772f068e50), _1131166)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1130232=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (227) [user] classify_and_convert_charseq(['C'], _1094722)
^  Call: (228) [user] classify_and_convert_charseq_(['C'], _1140450)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1141402, _1141404), once(user:catch(read_from_chars(['C'], _1140450), _1141384, fail)), '$restore_trace'(_1141402, _1141404))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1141402, _1141404))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1140450), _1141384, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1140450)
   Fail: (229) [system] atomic(_1140450)
   Call: (229) [system] atom_chars(_1140450, ['C'])
   Exit: (229) [system] atom_chars('C', ['C'])
^  Exit: (228) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (228) [system] integer('C')
   Fail: (228) [system] integer('C')
   Call: (228) [system] _1094722='C'
   Exit: (228) [system] 'C'='C'
^  Exit: (227) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (226) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (225) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (225) [user] read_list(')', (0x55772f068e50), _1155400)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1157258)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x55772f068e50), _1166852)
   Exit: (227) [system] get_char((0x55772f068e50), ' ')
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1169556)
   Exit: (228) [system] peek_char((0x55772f068e50), 'D')
   Call: (228) [system] 'D'=(;)
   Fail: (228) [system] 'D'=(;)
   Call: (228) [system] 'D'=(/)
   Fail: (228) [system] 'D'=(/)
^  Call: (228) [user] is_like_space('D')
   Call: (229) [system] char_type('D', 'white')
   Fail: (229) [system] char_type('D', 'white')
   Call: (229) [system] char_type('D', end_of_line)
   Fail: (229) [system] char_type('D', end_of_line)
   Call: (229) [system] char_type('D', space)
   Fail: (229) [system] char_type('D', space)
   Call: (229) [system] char_type('D', cntrl)
   Fail: (229) [system] char_type('D', cntrl)
^  Fail: (228) [user] is_like_space('D')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1186490)
   Exit: (226) [system] peek_char((0x55772f068e50), 'D')
   Call: (226) [system] 'D'=')'
   Fail: (226) [system] 'D'=')'
   Call: (226) [system] 'D'=end_of_file
   Fail: (226) [system] 'D'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x55772f068e50), _1192060)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1193918)
   Exit: (228) [system] peek_char((0x55772f068e50), 'D')
   Call: (228) [system] 'D'=(;)
   Fail: (228) [system] 'D'=(;)
   Call: (228) [system] 'D'=(/)
   Fail: (228) [system] 'D'=(/)
^  Call: (228) [user] is_like_space('D')
   Call: (229) [system] char_type('D', 'white')
   Fail: (229) [system] char_type('D', 'white')
   Call: (229) [system] char_type('D', end_of_line)
   Fail: (229) [system] char_type('D', end_of_line)
   Call: (229) [system] char_type('D', space)
   Fail: (229) [system] char_type('D', space)
   Call: (229) [system] char_type('D', cntrl)
   Fail: (229) [system] char_type('D', cntrl)
^  Fail: (228) [user] is_like_space('D')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] get_char((0x55772f068e50), _1209928)
   Exit: (227) [system] get_char((0x55772f068e50), 'D')
   Call: (227) [system] 'D'='('
   Fail: (227) [system] 'D'='('
   Call: (227) [system] 'D'='['
   Fail: (227) [system] 'D'='['
   Call: (227) [system] 'D'='{'
   Fail: (227) [system] 'D'='{'
   Call: (227) [system] 'D'='"'
   Fail: (227) [system] 'D'='"'
   Call: (227) [system] 'D'=!
   Fail: (227) [system] 'D'=!
   Call: (227) [system] 'D'='\''
   Fail: (227) [system] 'D'='\''
   Call: (227) [system] 'D'='`'
   Fail: (227) [system] 'D'='`'
   Call: (227) [system] 'D'=end_of_file
   Fail: (227) [system] 'D'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x55772f068e50), 'D', _1192060)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1227570)
   Call: (229) [system] peek_char((0x55772f068e50), _1228504)
   Exit: (229) [system] peek_char((0x55772f068e50), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_1233224, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _1227570=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (228) [user] classify_and_convert_charseq(['D'], _1192060)
^  Call: (229) [user] classify_and_convert_charseq_(['D'], _1239660)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1240612, _1240614), once(user:catch(read_from_chars(['D'], _1239660), _1240594, fail)), '$restore_trace'(_1240612, _1240614))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1240612, _1240614))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1239660), _1240594, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1239660)
   Fail: (230) [system] atomic(_1239660)
   Call: (230) [system] atom_chars(_1239660, ['D'])
   Exit: (230) [system] atom_chars('D', ['D'])
^  Exit: (229) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (229) [system] integer('D')
   Fail: (229) [system] integer('D')
   Call: (229) [system] _1192060='D'
   Exit: (229) [system] 'D'='D'
^  Exit: (228) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (227) [user] read_symbolic(')', (0x55772f068e50), 'D', 'D')
^  Exit: (226) [user] cont_sexpr(')', (0x55772f068e50), 'D')
^  Call: (226) [user] read_list(')', (0x55772f068e50), _1254610)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1256468)
   Exit: (228) [system] peek_char((0x55772f068e50), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
   Call: (228) [system] ')'=(/)
   Fail: (228) [system] ')'=(/)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1272478)
   Exit: (227) [system] peek_char((0x55772f068e50), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x55772f068e50), _1276268)
   Exit: (227) [system] get_char((0x55772f068e50), ')')
   Call: (227) [system] _1254610=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x55772f068e50), [])
   Call: (226) [system] _1155400=['D']
   Exit: (226) [system] ['D']=['D']
^  Exit: (225) [user] read_list(')', (0x55772f068e50), ['D'])
   Call: (225) [system] _1058062=['C', 'D']
   Exit: (225) [system] ['C', 'D']=['C', 'D']
^  Exit: (224) [user] read_list(')', (0x55772f068e50), ['C', 'D'])
   Call: (224) [system] _868716=['OrLink', 'C', 'D']
   Exit: (224) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (223) [user] read_list(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Call: (222) [user] read_list(')', (0x55772f068e50), _1290150)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1292008)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x55772f068e50), _1301602)
   Exit: (224) [system] get_char((0x55772f068e50), ' ')
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1304306)
   Exit: (225) [system] peek_char((0x55772f068e50), 'E')
   Call: (225) [system] 'E'=(;)
   Fail: (225) [system] 'E'=(;)
   Call: (225) [system] 'E'=(/)
   Fail: (225) [system] 'E'=(/)
^  Call: (225) [user] is_like_space('E')
   Call: (226) [system] char_type('E', 'white')
   Fail: (226) [system] char_type('E', 'white')
   Call: (226) [system] char_type('E', end_of_line)
   Fail: (226) [system] char_type('E', end_of_line)
   Call: (226) [system] char_type('E', space)
   Fail: (226) [system] char_type('E', space)
   Call: (226) [system] char_type('E', cntrl)
   Fail: (226) [system] char_type('E', cntrl)
^  Fail: (225) [user] is_like_space('E')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1321240)
   Exit: (223) [system] peek_char((0x55772f068e50), 'E')
   Call: (223) [system] 'E'=')'
   Fail: (223) [system] 'E'=')'
   Call: (223) [system] 'E'=end_of_file
   Fail: (223) [system] 'E'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x55772f068e50), _1326810)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1328668)
   Exit: (225) [system] peek_char((0x55772f068e50), 'E')
   Call: (225) [system] 'E'=(;)
   Fail: (225) [system] 'E'=(;)
   Call: (225) [system] 'E'=(/)
   Fail: (225) [system] 'E'=(/)
^  Call: (225) [user] is_like_space('E')
   Call: (226) [system] char_type('E', 'white')
   Fail: (226) [system] char_type('E', 'white')
   Call: (226) [system] char_type('E', end_of_line)
   Fail: (226) [system] char_type('E', end_of_line)
   Call: (226) [system] char_type('E', space)
   Fail: (226) [system] char_type('E', space)
   Call: (226) [system] char_type('E', cntrl)
   Fail: (226) [system] char_type('E', cntrl)
^  Fail: (225) [user] is_like_space('E')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] get_char((0x55772f068e50), _1344678)
   Exit: (224) [system] get_char((0x55772f068e50), 'E')
   Call: (224) [system] 'E'='('
   Fail: (224) [system] 'E'='('
   Call: (224) [system] 'E'='['
   Fail: (224) [system] 'E'='['
   Call: (224) [system] 'E'='{'
   Fail: (224) [system] 'E'='{'
   Call: (224) [system] 'E'='"'
   Fail: (224) [system] 'E'='"'
   Call: (224) [system] 'E'=!
   Fail: (224) [system] 'E'=!
   Call: (224) [system] 'E'='\''
   Fail: (224) [system] 'E'='\''
   Call: (224) [system] 'E'='`'
   Fail: (224) [system] 'E'='`'
   Call: (224) [system] 'E'=end_of_file
   Fail: (224) [system] 'E'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x55772f068e50), 'E', _1326810)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1362320)
   Call: (226) [system] peek_char((0x55772f068e50), _1363254)
   Exit: (226) [system] peek_char((0x55772f068e50), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_1367974, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _1362320=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (225) [user] classify_and_convert_charseq(['E'], _1326810)
^  Call: (226) [user] classify_and_convert_charseq_(['E'], _1374410)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1375362, _1375364), once(user:catch(read_from_chars(['E'], _1374410), _1375344, fail)), '$restore_trace'(_1375362, _1375364))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1375362, _1375364))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1374410), _1375344, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1374410)
   Fail: (227) [system] atomic(_1374410)
   Call: (227) [system] atom_chars(_1374410, ['E'])
   Exit: (227) [system] atom_chars('E', ['E'])
^  Exit: (226) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (226) [system] integer('E')
   Fail: (226) [system] integer('E')
   Call: (226) [system] _1326810='E'
   Exit: (226) [system] 'E'='E'
^  Exit: (225) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (224) [user] read_symbolic(')', (0x55772f068e50), 'E', 'E')
^  Exit: (223) [user] cont_sexpr(')', (0x55772f068e50), 'E')
^  Call: (223) [user] read_list(')', (0x55772f068e50), _1389360)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1391218)
   Exit: (225) [system] peek_char((0x55772f068e50), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
   Call: (225) [system] ')'=(/)
   Fail: (225) [system] ')'=(/)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1407228)
   Exit: (224) [system] peek_char((0x55772f068e50), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x55772f068e50), _1411018)
   Exit: (224) [system] get_char((0x55772f068e50), ')')
   Call: (224) [system] _1389360=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x55772f068e50), [])
   Call: (223) [system] _1290150=['E']
   Exit: (223) [system] ['E']=['E']
^  Exit: (222) [user] read_list(')', (0x55772f068e50), ['E'])
   Call: (222) [system] _832056=[['OrLink', 'C', 'D'], 'E']
   Exit: (222) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (221) [user] read_list(')', (0x55772f068e50), [['OrLink', 'C', 'D'], 'E'])
   Call: (221) [system] _559060=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (221) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (220) [user] read_list(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (219) [user] read_list(')', (0x55772f068e50), _1424900)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1426758)
   Exit: (221) [system] peek_char((0x55772f068e50), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
   Call: (221) [system] ')'=(/)
   Fail: (221) [system] ')'=(/)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1442768)
   Exit: (220) [system] peek_char((0x55772f068e50), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x55772f068e50), _1446558)
   Exit: (220) [system] get_char((0x55772f068e50), ')')
   Call: (220) [system] _1424900=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x55772f068e50), [])
   Call: (219) [system] _522400=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (219) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (218) [user] read_list(')', (0x55772f068e50), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (218) [system] _5334=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (218) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (217) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (217) [system] _5326=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (217) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (216) [user] read_list(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (215) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (215) [user] read_list(')', (0x55772f068e50), _1460440)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1462298)
   Exit: (217) [system] peek_char((0x55772f068e50), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
   Call: (217) [system] ')'=(/)
   Fail: (217) [system] ')'=(/)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1478308)
   Exit: (216) [system] peek_char((0x55772f068e50), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x55772f068e50), _1482098)
   Exit: (216) [system] get_char((0x55772f068e50), ')')
   Call: (216) [system] _1460440=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x55772f068e50), [])
   Call: (215) [system] _5322=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (215) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (214) [user] read_list(')', (0x55772f068e50), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (214) [system] _5298=[['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (214) [system] [['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (213) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (213) [system] _5290=[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (213) [system] [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (212) [user] read_list(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (211) [user] cont_sexpr(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (211) [user] read_list(')', (0x55772f068e50), _1495980)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1497838)
   Exit: (213) [system] peek_char((0x55772f068e50), '\n')
   Call: (213) [system] '\n'=(;)
   Fail: (213) [system] '\n'=(;)
   Call: (213) [system] '\n'=(/)
   Fail: (213) [system] '\n'=(/)
^  Call: (213) [user] is_like_space('\n')
   Call: (214) [system] char_type('\n', 'white')
   Fail: (214) [system] char_type('\n', 'white')
   Call: (214) [system] char_type('\n', end_of_line)
   Exit: (214) [system] char_type('\n', end_of_line)
^  Exit: (213) [user] is_like_space('\n')
   Call: (213) [system] get_char((0x55772f068e50), _1509288)
   Exit: (213) [system] get_char((0x55772f068e50), '\n')
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1511992)
   Exit: (214) [system] peek_char((0x55772f068e50), '\t')
   Call: (214) [system] '\t'=(;)
   Fail: (214) [system] '\t'=(;)
   Call: (214) [system] '\t'=(/)
   Fail: (214) [system] '\t'=(/)
^  Call: (214) [user] is_like_space('\t')
   Call: (215) [system] char_type('\t', 'white')
   Exit: (215) [system] char_type('\t', 'white')
^  Exit: (214) [user] is_like_space('\t')
   Call: (214) [system] get_char((0x55772f068e50), _1521586)
   Exit: (214) [system] get_char((0x55772f068e50), '\t')
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1524290)
   Exit: (215) [system] peek_char((0x55772f068e50), '\t')
   Call: (215) [system] '\t'=(;)
   Fail: (215) [system] '\t'=(;)
   Call: (215) [system] '\t'=(/)
   Fail: (215) [system] '\t'=(/)
^  Call: (215) [user] is_like_space('\t')
   Call: (216) [system] char_type('\t', 'white')
   Exit: (216) [system] char_type('\t', 'white')
^  Exit: (215) [user] is_like_space('\t')
   Call: (215) [system] get_char((0x55772f068e50), _1533884)
   Exit: (215) [system] get_char((0x55772f068e50), '\t')
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1536588)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x55772f068e50), _1546182)
   Exit: (216) [system] get_char((0x55772f068e50), ' ')
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1548886)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1568592)
   Exit: (212) [system] peek_char((0x55772f068e50), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x55772f068e50), _1574162)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1576020)
   Exit: (214) [system] peek_char((0x55772f068e50), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] get_char((0x55772f068e50), _1592030)
   Exit: (213) [system] get_char((0x55772f068e50), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x55772f068e50), _1574162)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1597600)
   Exit: (215) [system] peek_char((0x55772f068e50), :)
   Call: (215) [system] (:)=(;)
   Fail: (215) [system] (:)=(;)
   Call: (215) [system] (:)=(/)
   Fail: (215) [system] (:)=(/)
^  Call: (215) [user] is_like_space(:)
   Call: (216) [system] char_type(:, 'white')
   Fail: (216) [system] char_type(:, 'white')
   Call: (216) [system] char_type(:, end_of_line)
   Fail: (216) [system] char_type(:, end_of_line)
   Call: (216) [system] char_type(:, space)
   Fail: (216) [system] char_type(:, space)
   Call: (216) [system] char_type(:, cntrl)
   Fail: (216) [system] char_type(:, cntrl)
^  Fail: (215) [user] is_like_space(:)
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1613610)
   Exit: (214) [system] peek_char((0x55772f068e50), :)
   Call: (214) [system] (:)=')'
   Fail: (214) [system] (:)=')'
   Call: (214) [system] (:)=end_of_file
   Fail: (214) [system] (:)=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _1619180)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1621038)
   Exit: (216) [system] peek_char((0x55772f068e50), :)
   Call: (216) [system] (:)=(;)
   Fail: (216) [system] (:)=(;)
   Call: (216) [system] (:)=(/)
   Fail: (216) [system] (:)=(/)
^  Call: (216) [user] is_like_space(:)
   Call: (217) [system] char_type(:, 'white')
   Fail: (217) [system] char_type(:, 'white')
   Call: (217) [system] char_type(:, end_of_line)
   Fail: (217) [system] char_type(:, end_of_line)
   Call: (217) [system] char_type(:, space)
   Fail: (217) [system] char_type(:, space)
   Call: (217) [system] char_type(:, cntrl)
   Fail: (217) [system] char_type(:, cntrl)
^  Fail: (216) [user] is_like_space(:)
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _1637048)
   Exit: (215) [system] get_char((0x55772f068e50), :)
   Call: (215) [system] (:)='('
   Fail: (215) [system] (:)='('
   Call: (215) [system] (:)='['
   Fail: (215) [system] (:)='['
   Call: (215) [system] (:)='{'
   Fail: (215) [system] (:)='{'
   Call: (215) [system] (:)='"'
   Fail: (215) [system] (:)='"'
   Call: (215) [system] (:)=!
   Fail: (215) [system] (:)=!
   Call: (215) [system] (:)='\''
   Fail: (215) [system] (:)='\''
   Call: (215) [system] (:)='`'
   Fail: (215) [system] (:)='`'
   Call: (215) [system] (:)=end_of_file
   Fail: (215) [system] (:)=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x55772f068e50), :, _1619180)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1654690)
   Call: (217) [system] peek_char((0x55772f068e50), _1655624)
   Exit: (217) [system] peek_char((0x55772f068e50), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1654690=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (216) [user] classify_and_convert_charseq([:], _1619180)
^  Call: (217) [user] classify_and_convert_charseq_([:], _1664908)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1665860, _1665862), once(user:catch(read_from_chars([:], _1664908), _1665842, fail)), '$restore_trace'(_1665860, _1665862))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1665860, _1665862))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1665842, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(:)
   Exit: (218) [system] atomic(:)
^  Exit: (217) [user] classify_and_convert_charseq_([:], :)
   Call: (217) [system] integer(:)
   Fail: (217) [system] integer(:)
   Call: (217) [system] _1619180=(:)
   Exit: (217) [system] (:)=(:)
^  Exit: (216) [user] classify_and_convert_charseq([:], :)
^  Exit: (215) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (214) [user] read_list(')', (0x55772f068e50), _1677988)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1679846)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x55772f068e50), _1689440)
   Exit: (216) [system] get_char((0x55772f068e50), ' ')
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1692144)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1709078)
   Exit: (215) [system] peek_char((0x55772f068e50), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x55772f068e50), _1714648)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1716506)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] get_char((0x55772f068e50), _1732516)
   Exit: (216) [system] get_char((0x55772f068e50), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x55772f068e50), _1714648)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1738086)
   Exit: (218) [system] peek_char((0x55772f068e50), 'D')
   Call: (218) [system] 'D'=(;)
   Fail: (218) [system] 'D'=(;)
   Call: (218) [system] 'D'=(/)
   Fail: (218) [system] 'D'=(/)
^  Call: (218) [user] is_like_space('D')
   Call: (219) [system] char_type('D', 'white')
   Fail: (219) [system] char_type('D', 'white')
   Call: (219) [system] char_type('D', end_of_line)
   Fail: (219) [system] char_type('D', end_of_line)
   Call: (219) [system] char_type('D', space)
   Fail: (219) [system] char_type('D', space)
   Call: (219) [system] char_type('D', cntrl)
   Fail: (219) [system] char_type('D', cntrl)
^  Fail: (218) [user] is_like_space('D')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1754096)
   Exit: (217) [system] peek_char((0x55772f068e50), 'D')
   Call: (217) [system] 'D'=')'
   Fail: (217) [system] 'D'=')'
   Call: (217) [system] 'D'=end_of_file
   Fail: (217) [system] 'D'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _1759666)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1761524)
   Exit: (219) [system] peek_char((0x55772f068e50), 'D')
   Call: (219) [system] 'D'=(;)
   Fail: (219) [system] 'D'=(;)
   Call: (219) [system] 'D'=(/)
   Fail: (219) [system] 'D'=(/)
^  Call: (219) [user] is_like_space('D')
   Call: (220) [system] char_type('D', 'white')
   Fail: (220) [system] char_type('D', 'white')
   Call: (220) [system] char_type('D', end_of_line)
   Fail: (220) [system] char_type('D', end_of_line)
   Call: (220) [system] char_type('D', space)
   Fail: (220) [system] char_type('D', space)
   Call: (220) [system] char_type('D', cntrl)
   Fail: (220) [system] char_type('D', cntrl)
^  Fail: (219) [user] is_like_space('D')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _1777534)
   Exit: (218) [system] get_char((0x55772f068e50), 'D')
   Call: (218) [system] 'D'='('
   Fail: (218) [system] 'D'='('
   Call: (218) [system] 'D'='['
   Fail: (218) [system] 'D'='['
   Call: (218) [system] 'D'='{'
   Fail: (218) [system] 'D'='{'
   Call: (218) [system] 'D'='"'
   Fail: (218) [system] 'D'='"'
   Call: (218) [system] 'D'=!
   Fail: (218) [system] 'D'=!
   Call: (218) [system] 'D'='\''
   Fail: (218) [system] 'D'='\''
   Call: (218) [system] 'D'='`'
   Fail: (218) [system] 'D'='`'
   Call: (218) [system] 'D'=end_of_file
   Fail: (218) [system] 'D'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x55772f068e50), 'D', _1759666)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1795176)
   Call: (220) [system] peek_char((0x55772f068e50), _1796110)
   Exit: (220) [system] peek_char((0x55772f068e50), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1800830, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1801762, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x55772f068e50), i)
   Exit: (220) [system] get_char((0x55772f068e50), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1809112)
   Call: (221) [system] peek_char((0x55772f068e50), _1810046)
   Exit: (221) [system] peek_char((0x55772f068e50), s)
^  Call: (221) [user] is_delimiter(s)
   Call: (222) [system] char_type(s, space)
   Fail: (222) [system] char_type(s, space)
   Call: (222) [system] arg(_1814766, v('(', ')', end_of_file), s)
   Fail: (222) [system] arg(_1815698, v('(', ')', end_of_file), s)
^  Fail: (221) [user] is_delimiter(s)
   Call: (221) [system] ')'==s
   Fail: (221) [system] ')'==s
   Call: (221) [system] get_char((0x55772f068e50), s)
   Exit: (221) [system] get_char((0x55772f068e50), s)
   Call: (221) [system] s=(\)
   Fail: (221) [system] s=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1823048)
   Call: (222) [system] peek_char((0x55772f068e50), _1823982)
   Exit: (222) [system] peek_char((0x55772f068e50), j)
^  Call: (222) [user] is_delimiter(j)
   Call: (223) [system] char_type(j, space)
   Fail: (223) [system] char_type(j, space)
   Call: (223) [system] arg(_1828702, v('(', ')', end_of_file), j)
   Fail: (223) [system] arg(_1829634, v('(', ')', end_of_file), j)
^  Fail: (222) [user] is_delimiter(j)
   Call: (222) [system] ')'==j
   Fail: (222) [system] ')'==j
   Call: (222) [system] get_char((0x55772f068e50), j)
   Exit: (222) [system] get_char((0x55772f068e50), j)
   Call: (222) [system] j=(\)
   Fail: (222) [system] j=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1836984)
   Call: (223) [system] peek_char((0x55772f068e50), _1837918)
   Exit: (223) [system] peek_char((0x55772f068e50), u)
^  Call: (223) [user] is_delimiter(u)
   Call: (224) [system] char_type(u, space)
   Fail: (224) [system] char_type(u, space)
   Call: (224) [system] arg(_1842638, v('(', ')', end_of_file), u)
   Fail: (224) [system] arg(_1843570, v('(', ')', end_of_file), u)
^  Fail: (223) [user] is_delimiter(u)
   Call: (223) [system] ')'==u
   Fail: (223) [system] ')'==u
   Call: (223) [system] get_char((0x55772f068e50), u)
   Exit: (223) [system] get_char((0x55772f068e50), u)
   Call: (223) [system] u=(\)
   Fail: (223) [system] u=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1850920)
   Call: (224) [system] peek_char((0x55772f068e50), _1851854)
   Exit: (224) [system] peek_char((0x55772f068e50), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1856574, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1857506, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x55772f068e50), n)
   Exit: (224) [system] get_char((0x55772f068e50), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1864856)
   Call: (225) [system] peek_char((0x55772f068e50), _1865790)
   Exit: (225) [system] peek_char((0x55772f068e50), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Fail: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_1870510, v('(', ')', end_of_file), c)
   Fail: (226) [system] arg(_1871442, v('(', ')', end_of_file), c)
^  Fail: (225) [user] is_delimiter(c)
   Call: (225) [system] ')'==c
   Fail: (225) [system] ')'==c
   Call: (225) [system] get_char((0x55772f068e50), c)
   Exit: (225) [system] get_char((0x55772f068e50), c)
   Call: (225) [system] c=(\)
   Fail: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1878792)
   Call: (226) [system] peek_char((0x55772f068e50), _1879726)
   Exit: (226) [system] peek_char((0x55772f068e50), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_1884446, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_1885378, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x55772f068e50), t)
   Exit: (226) [system] get_char((0x55772f068e50), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1892728)
   Call: (227) [system] peek_char((0x55772f068e50), _1893662)
   Exit: (227) [system] peek_char((0x55772f068e50), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1898382, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_1899314, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x55772f068e50), i)
   Exit: (227) [system] get_char((0x55772f068e50), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1906664)
   Call: (228) [system] peek_char((0x55772f068e50), _1907598)
   Exit: (228) [system] peek_char((0x55772f068e50), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_1912318, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_1913250, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x55772f068e50), o)
   Exit: (228) [system] get_char((0x55772f068e50), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1920600)
   Call: (229) [system] peek_char((0x55772f068e50), _1921534)
   Exit: (229) [system] peek_char((0x55772f068e50), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1926254, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1927186, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x55772f068e50), n)
   Exit: (229) [system] get_char((0x55772f068e50), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1934536)
   Call: (230) [system] peek_char((0x55772f068e50), _1935470)
   Exit: (230) [system] peek_char((0x55772f068e50), 'I')
^  Call: (230) [user] is_delimiter('I')
   Call: (231) [system] char_type('I', space)
   Fail: (231) [system] char_type('I', space)
   Call: (231) [system] arg(_1940190, v('(', ')', end_of_file), 'I')
   Fail: (231) [system] arg(_1941122, v('(', ')', end_of_file), 'I')
^  Fail: (230) [user] is_delimiter('I')
   Call: (230) [system] ')'=='I'
   Fail: (230) [system] ')'=='I'
   Call: (230) [system] get_char((0x55772f068e50), 'I')
   Exit: (230) [system] get_char((0x55772f068e50), 'I')
   Call: (230) [system] 'I'=(\)
   Fail: (230) [system] 'I'=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1948472)
   Call: (231) [system] peek_char((0x55772f068e50), _1949406)
   Exit: (231) [system] peek_char((0x55772f068e50), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1954126, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1955058, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x55772f068e50), n)
   Exit: (231) [system] get_char((0x55772f068e50), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1962408)
   Call: (232) [system] peek_char((0x55772f068e50), _1963342)
   Exit: (232) [system] peek_char((0x55772f068e50), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_1968062, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_1968994, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x55772f068e50), t)
   Exit: (232) [system] get_char((0x55772f068e50), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1976344)
   Call: (233) [system] peek_char((0x55772f068e50), _1977278)
   Exit: (233) [system] peek_char((0x55772f068e50), r)
^  Call: (233) [user] is_delimiter(r)
   Call: (234) [system] char_type(r, space)
   Fail: (234) [system] char_type(r, space)
   Call: (234) [system] arg(_1981998, v('(', ')', end_of_file), r)
   Fail: (234) [system] arg(_1982930, v('(', ')', end_of_file), r)
^  Fail: (233) [user] is_delimiter(r)
   Call: (233) [system] ')'==r
   Fail: (233) [system] ')'==r
   Call: (233) [system] get_char((0x55772f068e50), r)
   Exit: (233) [system] get_char((0x55772f068e50), r)
   Call: (233) [system] r=(\)
   Fail: (233) [system] r=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1990280)
   Call: (234) [system] peek_char((0x55772f068e50), _1991214)
   Exit: (234) [system] peek_char((0x55772f068e50), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_1995934, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_1996866, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x55772f068e50), o)
   Exit: (234) [system] get_char((0x55772f068e50), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _2004216)
   Call: (235) [system] peek_char((0x55772f068e50), _2005150)
   Exit: (235) [system] peek_char((0x55772f068e50), d)
^  Call: (235) [user] is_delimiter(d)
   Call: (236) [system] char_type(d, space)
   Fail: (236) [system] char_type(d, space)
   Call: (236) [system] arg(_2009870, v('(', ')', end_of_file), d)
   Fail: (236) [system] arg(_2010802, v('(', ')', end_of_file), d)
^  Fail: (235) [user] is_delimiter(d)
   Call: (235) [system] ')'==d
   Fail: (235) [system] ')'==d
   Call: (235) [system] get_char((0x55772f068e50), d)
   Exit: (235) [system] get_char((0x55772f068e50), d)
   Call: (235) [system] d=(\)
   Fail: (235) [system] d=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _2018152)
   Call: (236) [system] peek_char((0x55772f068e50), _2019086)
   Exit: (236) [system] peek_char((0x55772f068e50), u)
^  Call: (236) [user] is_delimiter(u)
   Call: (237) [system] char_type(u, space)
   Fail: (237) [system] char_type(u, space)
   Call: (237) [system] arg(_2023806, v('(', ')', end_of_file), u)
   Fail: (237) [system] arg(_2024738, v('(', ')', end_of_file), u)
^  Fail: (236) [user] is_delimiter(u)
   Call: (236) [system] ')'==u
   Fail: (236) [system] ')'==u
   Call: (236) [system] get_char((0x55772f068e50), u)
   Exit: (236) [system] get_char((0x55772f068e50), u)
   Call: (236) [system] u=(\)
   Fail: (236) [system] u=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _2032088)
   Call: (237) [system] peek_char((0x55772f068e50), _2033022)
   Exit: (237) [system] peek_char((0x55772f068e50), c)
^  Call: (237) [user] is_delimiter(c)
   Call: (238) [system] char_type(c, space)
   Fail: (238) [system] char_type(c, space)
   Call: (238) [system] arg(_2037742, v('(', ')', end_of_file), c)
   Fail: (238) [system] arg(_2038674, v('(', ')', end_of_file), c)
^  Fail: (237) [user] is_delimiter(c)
   Call: (237) [system] ')'==c
   Fail: (237) [system] ')'==c
   Call: (237) [system] get_char((0x55772f068e50), c)
   Exit: (237) [system] get_char((0x55772f068e50), c)
   Call: (237) [system] c=(\)
   Fail: (237) [system] c=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _2046024)
   Call: (238) [system] peek_char((0x55772f068e50), _2046958)
   Exit: (238) [system] peek_char((0x55772f068e50), t)
^  Call: (238) [user] is_delimiter(t)
   Call: (239) [system] char_type(t, space)
   Fail: (239) [system] char_type(t, space)
   Call: (239) [system] arg(_2051678, v('(', ')', end_of_file), t)
   Fail: (239) [system] arg(_2052610, v('(', ')', end_of_file), t)
^  Fail: (238) [user] is_delimiter(t)
   Call: (238) [system] ')'==t
   Fail: (238) [system] ')'==t
   Call: (238) [system] get_char((0x55772f068e50), t)
   Exit: (238) [system] get_char((0x55772f068e50), t)
   Call: (238) [system] t=(\)
   Fail: (238) [system] t=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _2059960)
   Call: (239) [system] peek_char((0x55772f068e50), _2060894)
   Exit: (239) [system] peek_char((0x55772f068e50), i)
^  Call: (239) [user] is_delimiter(i)
   Call: (240) [system] char_type(i, space)
   Fail: (240) [system] char_type(i, space)
   Call: (240) [system] arg(_2065614, v('(', ')', end_of_file), i)
   Fail: (240) [system] arg(_2066546, v('(', ')', end_of_file), i)
^  Fail: (239) [user] is_delimiter(i)
   Call: (239) [system] ')'==i
   Fail: (239) [system] ')'==i
   Call: (239) [system] get_char((0x55772f068e50), i)
   Exit: (239) [system] get_char((0x55772f068e50), i)
   Call: (239) [system] i=(\)
   Fail: (239) [system] i=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _2073896)
   Call: (240) [system] peek_char((0x55772f068e50), _2074830)
   Exit: (240) [system] peek_char((0x55772f068e50), o)
^  Call: (240) [user] is_delimiter(o)
   Call: (241) [system] char_type(o, space)
   Fail: (241) [system] char_type(o, space)
   Call: (241) [system] arg(_2079550, v('(', ')', end_of_file), o)
   Fail: (241) [system] arg(_2080482, v('(', ')', end_of_file), o)
^  Fail: (240) [user] is_delimiter(o)
   Call: (240) [system] ')'==o
   Fail: (240) [system] ')'==o
   Call: (240) [system] get_char((0x55772f068e50), o)
   Exit: (240) [system] get_char((0x55772f068e50), o)
   Call: (240) [system] o=(\)
   Fail: (240) [system] o=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _2087832)
   Call: (241) [system] peek_char((0x55772f068e50), _2088766)
   Exit: (241) [system] peek_char((0x55772f068e50), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Fail: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_2093486, v('(', ')', end_of_file), n)
   Fail: (242) [system] arg(_2094418, v('(', ')', end_of_file), n)
^  Fail: (241) [user] is_delimiter(n)
   Call: (241) [system] ')'==n
   Fail: (241) [system] ')'==n
   Call: (241) [system] get_char((0x55772f068e50), n)
   Exit: (241) [system] get_char((0x55772f068e50), n)
   Call: (241) [system] n=(\)
   Fail: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x55772f068e50), _10524)
   Call: (242) [system] peek_char((0x55772f068e50), _11458)
   Exit: (242) [system] peek_char((0x55772f068e50), ' ')
^  Call: (242) [user] is_delimiter(' ')
   Call: (243) [system] char_type(' ', space)
   Exit: (243) [system] char_type(' ', space)
^  Exit: (242) [user] is_delimiter(' ')
   Call: (242) [system] _10524=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (241) [system] _5528=[n]
   Exit: (241) [system] [n]=[n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (240) [system] _5524=[o, n]
   Exit: (240) [system] [o, n]=[o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (239) [system] _5520=[i, o, n]
   Exit: (239) [system] [i, o, n]=[i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (238) [system] _5516=[t, i, o, n]
   Exit: (238) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (237) [system] _5512=[c, t, i, o, n]
   Exit: (237) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (236) [system] _5508=[u, c, t, i, o, n]
   Exit: (236) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (235) [system] _5504=[d, u, c, t, i, o, n]
   Exit: (235) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (234) [system] _5500=[o, d, u, c, t, i, o, n]
   Exit: (234) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (233) [system] _5496=[r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _5492=[t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _5488=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _5484=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _5480=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _5476=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _5472=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _5468=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _5464=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _5460=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _5456=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _5452=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _5448=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _5444=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (219) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5440)
^  Call: (220) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _82210)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_83162, _83164), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _82210), _83144, fail)), '$restore_trace'(_83162, _83164))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_83162, _83164))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _82210), _83144, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_82210)
   Fail: (221) [system] atomic(_82210)
   Call: (221) [system] atom_chars(_82210, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (221) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (220) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (220) [system] integer('DisjunctionIntroduction')
   Fail: (220) [system] integer('DisjunctionIntroduction')
   Call: (220) [system] _5440='DisjunctionIntroduction'
   Exit: (220) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (219) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (218) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (217) [user] read_list(')', (0x55772f068e50), _97160)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _99018)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x55772f068e50), _108612)
   Exit: (219) [system] get_char((0x55772f068e50), ' ')
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _111316)
   Exit: (220) [system] peek_char((0x55772f068e50), a)
   Call: (220) [system] a=(;)
   Fail: (220) [system] a=(;)
   Call: (220) [system] a=(/)
   Fail: (220) [system] a=(/)
^  Call: (220) [user] is_like_space(a)
   Call: (221) [system] char_type(a, 'white')
   Fail: (221) [system] char_type(a, 'white')
   Call: (221) [system] char_type(a, end_of_line)
   Fail: (221) [system] char_type(a, end_of_line)
   Call: (221) [system] char_type(a, space)
   Fail: (221) [system] char_type(a, space)
   Call: (221) [system] char_type(a, cntrl)
   Fail: (221) [system] char_type(a, cntrl)
^  Fail: (220) [user] is_like_space(a)
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _128250)
   Exit: (218) [system] peek_char((0x55772f068e50), a)
   Call: (218) [system] a=')'
   Fail: (218) [system] a=')'
   Call: (218) [system] a=end_of_file
   Fail: (218) [system] a=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _133820)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _135678)
   Exit: (220) [system] peek_char((0x55772f068e50), a)
   Call: (220) [system] a=(;)
   Fail: (220) [system] a=(;)
   Call: (220) [system] a=(/)
   Fail: (220) [system] a=(/)
^  Call: (220) [user] is_like_space(a)
   Call: (221) [system] char_type(a, 'white')
   Fail: (221) [system] char_type(a, 'white')
   Call: (221) [system] char_type(a, end_of_line)
   Fail: (221) [system] char_type(a, end_of_line)
   Call: (221) [system] char_type(a, space)
   Fail: (221) [system] char_type(a, space)
   Call: (221) [system] char_type(a, cntrl)
   Fail: (221) [system] char_type(a, cntrl)
^  Fail: (220) [user] is_like_space(a)
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _151688)
   Exit: (219) [system] get_char((0x55772f068e50), a)
   Call: (219) [system] a='('
   Fail: (219) [system] a='('
   Call: (219) [system] a='['
   Fail: (219) [system] a='['
   Call: (219) [system] a='{'
   Fail: (219) [system] a='{'
   Call: (219) [system] a='"'
   Fail: (219) [system] a='"'
   Call: (219) [system] a=!
   Fail: (219) [system] a=!
   Call: (219) [system] a='\''
   Fail: (219) [system] a='\''
   Call: (219) [system] a='`'
   Fail: (219) [system] a='`'
   Call: (219) [system] a=end_of_file
   Fail: (219) [system] a=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x55772f068e50), a, _133820)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _169330)
   Call: (221) [system] peek_char((0x55772f068e50), _170264)
   Exit: (221) [system] peek_char((0x55772f068e50), b)
^  Call: (221) [user] is_delimiter(b)
   Call: (222) [system] char_type(b, space)
   Fail: (222) [system] char_type(b, space)
   Call: (222) [system] arg(_174984, v('(', ')', end_of_file), b)
   Fail: (222) [system] arg(_175916, v('(', ')', end_of_file), b)
^  Fail: (221) [user] is_delimiter(b)
   Call: (221) [system] ')'==b
   Fail: (221) [system] ')'==b
   Call: (221) [system] get_char((0x55772f068e50), b)
   Exit: (221) [system] get_char((0x55772f068e50), b)
   Call: (221) [system] b=(\)
   Fail: (221) [system] b=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _183266)
   Call: (222) [system] peek_char((0x55772f068e50), _184200)
   Exit: (222) [system] peek_char((0x55772f068e50), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_188920, v('(', ')', end_of_file), c)
   Fail: (223) [system] arg(_189852, v('(', ')', end_of_file), c)
^  Fail: (222) [user] is_delimiter(c)
   Call: (222) [system] ')'==c
   Fail: (222) [system] ')'==c
   Call: (222) [system] get_char((0x55772f068e50), c)
   Exit: (222) [system] get_char((0x55772f068e50), c)
   Call: (222) [system] c=(\)
   Fail: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _197202)
   Call: (223) [system] peek_char((0x55772f068e50), _198136)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _197202=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (222) [system] _183266=[c]
   Exit: (222) [system] [c]=[c]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (221) [system] _169330=[b, c]
   Exit: (221) [system] [b, c]=[b, c]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (220) [user] classify_and_convert_charseq([a, b, c], _133820)
^  Call: (221) [user] classify_and_convert_charseq_([a, b, c], _213008)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_213960, _213962), once(user:catch(read_from_chars([a, b, c], _213008), _213942, fail)), '$restore_trace'(_213960, _213962))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_213960, _213962))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _213942, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(abc)
   Exit: (222) [system] atomic(abc)
^  Exit: (221) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (221) [system] integer(abc)
   Fail: (221) [system] integer(abc)
   Call: (221) [system] _133820=abc
   Exit: (221) [system] abc=abc
^  Exit: (220) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (219) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (218) [user] read_list(')', (0x55772f068e50), _226088)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _227946)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x55772f068e50), _237540)
   Exit: (220) [system] get_char((0x55772f068e50), ' ')
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _240244)
   Exit: (221) [system] peek_char((0x55772f068e50), a)
   Call: (221) [system] a=(;)
   Fail: (221) [system] a=(;)
   Call: (221) [system] a=(/)
   Fail: (221) [system] a=(/)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Fail: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Fail: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
   Fail: (222) [system] char_type(a, cntrl)
^  Fail: (221) [user] is_like_space(a)
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _257178)
   Exit: (219) [system] peek_char((0x55772f068e50), a)
   Call: (219) [system] a=')'
   Fail: (219) [system] a=')'
   Call: (219) [system] a=end_of_file
   Fail: (219) [system] a=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _262748)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _264606)
   Exit: (221) [system] peek_char((0x55772f068e50), a)
   Call: (221) [system] a=(;)
   Fail: (221) [system] a=(;)
   Call: (221) [system] a=(/)
   Fail: (221) [system] a=(/)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Fail: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Fail: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
   Fail: (222) [system] char_type(a, cntrl)
^  Fail: (221) [user] is_like_space(a)
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _280616)
   Exit: (220) [system] get_char((0x55772f068e50), a)
   Call: (220) [system] a='('
   Fail: (220) [system] a='('
   Call: (220) [system] a='['
   Fail: (220) [system] a='['
   Call: (220) [system] a='{'
   Fail: (220) [system] a='{'
   Call: (220) [system] a='"'
   Fail: (220) [system] a='"'
   Call: (220) [system] a=!
   Fail: (220) [system] a=!
   Call: (220) [system] a='\''
   Fail: (220) [system] a='\''
   Call: (220) [system] a='`'
   Fail: (220) [system] a='`'
   Call: (220) [system] a=end_of_file
   Fail: (220) [system] a=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x55772f068e50), a, _262748)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _298258)
   Call: (222) [system] peek_char((0x55772f068e50), _299192)
   Exit: (222) [system] peek_char((0x55772f068e50), ')')
^  Call: (222) [user] is_delimiter(')')
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] arg(_303912, v('(', ')', end_of_file), ')')
   Exit: (223) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (222) [user] is_delimiter(')')
   Call: (222) [system] _298258=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (221) [user] classify_and_convert_charseq([a], _262748)
^  Call: (222) [user] classify_and_convert_charseq_([a], _310348)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_311300, _311302), once(user:catch(read_from_chars([a], _310348), _311282, fail)), '$restore_trace'(_311300, _311302))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_311300, _311302))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _311282, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(a)
   Exit: (223) [system] atomic(a)
^  Exit: (222) [user] classify_and_convert_charseq_([a], a)
   Call: (222) [system] integer(a)
   Fail: (222) [system] integer(a)
   Call: (222) [system] _262748=a
   Exit: (222) [system] a=a
^  Exit: (221) [user] classify_and_convert_charseq([a], a)
^  Exit: (220) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (219) [user] read_list(')', (0x55772f068e50), _323428)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _325286)
   Exit: (221) [system] peek_char((0x55772f068e50), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
   Call: (221) [system] ')'=(/)
   Fail: (221) [system] ')'=(/)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _341296)
   Exit: (220) [system] peek_char((0x55772f068e50), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x55772f068e50), _345086)
   Exit: (220) [system] get_char((0x55772f068e50), ')')
   Call: (220) [system] _323428=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x55772f068e50), [])
   Call: (219) [system] _226088=[a]
   Exit: (219) [system] [a]=[a]
^  Exit: (218) [user] read_list(')', (0x55772f068e50), [a])
   Call: (218) [system] _97160=[abc, a]
   Exit: (218) [system] [abc, a]=[abc, a]
^  Exit: (217) [user] read_list(')', (0x55772f068e50), [abc, a])
   Call: (217) [system] _5434=['DisjunctionIntroduction', abc, a]
   Exit: (217) [system] ['DisjunctionIntroduction', abc, a]=['DisjunctionIntroduction', abc, a]
^  Exit: (216) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, a])
^  Exit: (215) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, a])
^  Call: (215) [user] read_list(')', (0x55772f068e50), _358968)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _360826)
   Exit: (217) [system] peek_char((0x55772f068e50), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x55772f068e50), _370420)
   Exit: (217) [system] get_char((0x55772f068e50), ' ')
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _373124)
   Exit: (218) [system] peek_char((0x55772f068e50), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _390058)
   Exit: (216) [system] peek_char((0x55772f068e50), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x55772f068e50), _395628)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _397486)
   Exit: (218) [system] peek_char((0x55772f068e50), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] get_char((0x55772f068e50), _413496)
   Exit: (217) [system] get_char((0x55772f068e50), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x55772f068e50), _395628)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _419066)
   Exit: (219) [system] peek_char((0x55772f068e50), 'O')
   Call: (219) [system] 'O'=(;)
   Fail: (219) [system] 'O'=(;)
   Call: (219) [system] 'O'=(/)
   Fail: (219) [system] 'O'=(/)
^  Call: (219) [user] is_like_space('O')
   Call: (220) [system] char_type('O', 'white')
   Fail: (220) [system] char_type('O', 'white')
   Call: (220) [system] char_type('O', end_of_line)
   Fail: (220) [system] char_type('O', end_of_line)
   Call: (220) [system] char_type('O', space)
   Fail: (220) [system] char_type('O', space)
   Call: (220) [system] char_type('O', cntrl)
   Fail: (220) [system] char_type('O', cntrl)
^  Fail: (219) [user] is_like_space('O')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _435076)
   Exit: (218) [system] peek_char((0x55772f068e50), 'O')
   Call: (218) [system] 'O'=')'
   Fail: (218) [system] 'O'=')'
   Call: (218) [system] 'O'=end_of_file
   Fail: (218) [system] 'O'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _440646)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _442504)
   Exit: (220) [system] peek_char((0x55772f068e50), 'O')
   Call: (220) [system] 'O'=(;)
   Fail: (220) [system] 'O'=(;)
   Call: (220) [system] 'O'=(/)
   Fail: (220) [system] 'O'=(/)
^  Call: (220) [user] is_like_space('O')
   Call: (221) [system] char_type('O', 'white')
   Fail: (221) [system] char_type('O', 'white')
   Call: (221) [system] char_type('O', end_of_line)
   Fail: (221) [system] char_type('O', end_of_line)
   Call: (221) [system] char_type('O', space)
   Fail: (221) [system] char_type('O', space)
   Call: (221) [system] char_type('O', cntrl)
   Fail: (221) [system] char_type('O', cntrl)
^  Fail: (220) [user] is_like_space('O')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _458514)
   Exit: (219) [system] get_char((0x55772f068e50), 'O')
   Call: (219) [system] 'O'='('
   Fail: (219) [system] 'O'='('
   Call: (219) [system] 'O'='['
   Fail: (219) [system] 'O'='['
   Call: (219) [system] 'O'='{'
   Fail: (219) [system] 'O'='{'
   Call: (219) [system] 'O'='"'
   Fail: (219) [system] 'O'='"'
   Call: (219) [system] 'O'=!
   Fail: (219) [system] 'O'=!
   Call: (219) [system] 'O'='\''
   Fail: (219) [system] 'O'='\''
   Call: (219) [system] 'O'='`'
   Fail: (219) [system] 'O'='`'
   Call: (219) [system] 'O'=end_of_file
   Fail: (219) [system] 'O'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x55772f068e50), 'O', _440646)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _476156)
   Call: (221) [system] peek_char((0x55772f068e50), _477090)
   Exit: (221) [system] peek_char((0x55772f068e50), r)
^  Call: (221) [user] is_delimiter(r)
   Call: (222) [system] char_type(r, space)
   Fail: (222) [system] char_type(r, space)
   Call: (222) [system] arg(_481810, v('(', ')', end_of_file), r)
   Fail: (222) [system] arg(_482742, v('(', ')', end_of_file), r)
^  Fail: (221) [user] is_delimiter(r)
   Call: (221) [system] ')'==r
   Fail: (221) [system] ')'==r
   Call: (221) [system] get_char((0x55772f068e50), r)
   Exit: (221) [system] get_char((0x55772f068e50), r)
   Call: (221) [system] r=(\)
   Fail: (221) [system] r=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _490092)
   Call: (222) [system] peek_char((0x55772f068e50), _491026)
   Exit: (222) [system] peek_char((0x55772f068e50), 'L')
^  Call: (222) [user] is_delimiter('L')
   Call: (223) [system] char_type('L', space)
   Fail: (223) [system] char_type('L', space)
   Call: (223) [system] arg(_495746, v('(', ')', end_of_file), 'L')
   Fail: (223) [system] arg(_496678, v('(', ')', end_of_file), 'L')
^  Fail: (222) [user] is_delimiter('L')
   Call: (222) [system] ')'=='L'
   Fail: (222) [system] ')'=='L'
   Call: (222) [system] get_char((0x55772f068e50), 'L')
   Exit: (222) [system] get_char((0x55772f068e50), 'L')
   Call: (222) [system] 'L'=(\)
   Fail: (222) [system] 'L'=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _504028)
   Call: (223) [system] peek_char((0x55772f068e50), _504962)
   Exit: (223) [system] peek_char((0x55772f068e50), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_509682, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_510614, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x55772f068e50), i)
   Exit: (223) [system] get_char((0x55772f068e50), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _517964)
   Call: (224) [system] peek_char((0x55772f068e50), _518898)
   Exit: (224) [system] peek_char((0x55772f068e50), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_523618, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_524550, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x55772f068e50), n)
   Exit: (224) [system] get_char((0x55772f068e50), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _531900)
   Call: (225) [system] peek_char((0x55772f068e50), _532834)
   Exit: (225) [system] peek_char((0x55772f068e50), k)
^  Call: (225) [user] is_delimiter(k)
   Call: (226) [system] char_type(k, space)
   Fail: (226) [system] char_type(k, space)
   Call: (226) [system] arg(_537554, v('(', ')', end_of_file), k)
   Fail: (226) [system] arg(_538486, v('(', ')', end_of_file), k)
^  Fail: (225) [user] is_delimiter(k)
   Call: (225) [system] ')'==k
   Fail: (225) [system] ')'==k
   Call: (225) [system] get_char((0x55772f068e50), k)
   Exit: (225) [system] get_char((0x55772f068e50), k)
   Call: (225) [system] k=(\)
   Fail: (225) [system] k=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _545836)
   Call: (226) [system] peek_char((0x55772f068e50), _546770)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _545836=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (225) [system] _531900=[k]
   Exit: (225) [system] [k]=[k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (224) [system] _517964=[n, k]
   Exit: (224) [system] [n, k]=[n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (223) [system] _504028=[i, n, k]
   Exit: (223) [system] [i, n, k]=[i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (222) [system] _490092=['L', i, n, k]
   Exit: (222) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (221) [system] _476156=[r, 'L', i, n, k]
   Exit: (221) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (220) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _440646)
^  Call: (221) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _570024)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_570976, _570978), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _570024), _570958, fail)), '$restore_trace'(_570976, _570978))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_570976, _570978))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _570024), _570958, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_570024)
   Fail: (222) [system] atomic(_570024)
   Call: (222) [system] atom_chars(_570024, ['O', r, 'L', i, n, k])
   Exit: (222) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (221) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (221) [system] integer('OrLink')
   Fail: (221) [system] integer('OrLink')
   Call: (221) [system] _440646='OrLink'
   Exit: (221) [system] 'OrLink'='OrLink'
^  Exit: (220) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (219) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (218) [user] read_list(')', (0x55772f068e50), _584974)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _586832)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x55772f068e50), _596426)
   Exit: (220) [system] get_char((0x55772f068e50), ' ')
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _599130)
   Exit: (221) [system] peek_char((0x55772f068e50), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _616064)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _621634)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _623492)
   Exit: (221) [system] peek_char((0x55772f068e50), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _639502)
   Exit: (220) [system] get_char((0x55772f068e50), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x55772f068e50), _621634)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _645072)
   Exit: (222) [system] peek_char((0x55772f068e50), 'I')
   Call: (222) [system] 'I'=(;)
   Fail: (222) [system] 'I'=(;)
   Call: (222) [system] 'I'=(/)
   Fail: (222) [system] 'I'=(/)
^  Call: (222) [user] is_like_space('I')
   Call: (223) [system] char_type('I', 'white')
   Fail: (223) [system] char_type('I', 'white')
   Call: (223) [system] char_type('I', end_of_line)
   Fail: (223) [system] char_type('I', end_of_line)
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] char_type('I', cntrl)
   Fail: (223) [system] char_type('I', cntrl)
^  Fail: (222) [user] is_like_space('I')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _661082)
   Exit: (221) [system] peek_char((0x55772f068e50), 'I')
   Call: (221) [system] 'I'=')'
   Fail: (221) [system] 'I'=')'
   Call: (221) [system] 'I'=end_of_file
   Fail: (221) [system] 'I'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _666652)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _668510)
   Exit: (223) [system] peek_char((0x55772f068e50), 'I')
   Call: (223) [system] 'I'=(;)
   Fail: (223) [system] 'I'=(;)
   Call: (223) [system] 'I'=(/)
   Fail: (223) [system] 'I'=(/)
^  Call: (223) [user] is_like_space('I')
   Call: (224) [system] char_type('I', 'white')
   Fail: (224) [system] char_type('I', 'white')
   Call: (224) [system] char_type('I', end_of_line)
   Fail: (224) [system] char_type('I', end_of_line)
   Call: (224) [system] char_type('I', space)
   Fail: (224) [system] char_type('I', space)
   Call: (224) [system] char_type('I', cntrl)
   Fail: (224) [system] char_type('I', cntrl)
^  Fail: (223) [user] is_like_space('I')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _684520)
   Exit: (222) [system] get_char((0x55772f068e50), 'I')
   Call: (222) [system] 'I'='('
   Fail: (222) [system] 'I'='('
   Call: (222) [system] 'I'='['
   Fail: (222) [system] 'I'='['
   Call: (222) [system] 'I'='{'
   Fail: (222) [system] 'I'='{'
   Call: (222) [system] 'I'='"'
   Fail: (222) [system] 'I'='"'
   Call: (222) [system] 'I'=!
   Fail: (222) [system] 'I'=!
   Call: (222) [system] 'I'='\''
   Fail: (222) [system] 'I'='\''
   Call: (222) [system] 'I'='`'
   Fail: (222) [system] 'I'='`'
   Call: (222) [system] 'I'=end_of_file
   Fail: (222) [system] 'I'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x55772f068e50), 'I', _666652)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _702162)
   Call: (224) [system] peek_char((0x55772f068e50), _703096)
   Exit: (224) [system] peek_char((0x55772f068e50), m)
^  Call: (224) [user] is_delimiter(m)
   Call: (225) [system] char_type(m, space)
   Fail: (225) [system] char_type(m, space)
   Call: (225) [system] arg(_707816, v('(', ')', end_of_file), m)
   Fail: (225) [system] arg(_708748, v('(', ')', end_of_file), m)
^  Fail: (224) [user] is_delimiter(m)
   Call: (224) [system] ')'==m
   Fail: (224) [system] ')'==m
   Call: (224) [system] get_char((0x55772f068e50), m)
   Exit: (224) [system] get_char((0x55772f068e50), m)
   Call: (224) [system] m=(\)
   Fail: (224) [system] m=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _716098)
   Call: (225) [system] peek_char((0x55772f068e50), _717032)
   Exit: (225) [system] peek_char((0x55772f068e50), p)
^  Call: (225) [user] is_delimiter(p)
   Call: (226) [system] char_type(p, space)
   Fail: (226) [system] char_type(p, space)
   Call: (226) [system] arg(_721752, v('(', ')', end_of_file), p)
   Fail: (226) [system] arg(_722684, v('(', ')', end_of_file), p)
^  Fail: (225) [user] is_delimiter(p)
   Call: (225) [system] ')'==p
   Fail: (225) [system] ')'==p
   Call: (225) [system] get_char((0x55772f068e50), p)
   Exit: (225) [system] get_char((0x55772f068e50), p)
   Call: (225) [system] p=(\)
   Fail: (225) [system] p=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _730034)
   Call: (226) [system] peek_char((0x55772f068e50), _730968)
   Exit: (226) [system] peek_char((0x55772f068e50), l)
^  Call: (226) [user] is_delimiter(l)
   Call: (227) [system] char_type(l, space)
   Fail: (227) [system] char_type(l, space)
   Call: (227) [system] arg(_735688, v('(', ')', end_of_file), l)
   Fail: (227) [system] arg(_736620, v('(', ')', end_of_file), l)
^  Fail: (226) [user] is_delimiter(l)
   Call: (226) [system] ')'==l
   Fail: (226) [system] ')'==l
   Call: (226) [system] get_char((0x55772f068e50), l)
   Exit: (226) [system] get_char((0x55772f068e50), l)
   Call: (226) [system] l=(\)
   Fail: (226) [system] l=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _743970)
   Call: (227) [system] peek_char((0x55772f068e50), _744904)
   Exit: (227) [system] peek_char((0x55772f068e50), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_749624, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_750556, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x55772f068e50), i)
   Exit: (227) [system] get_char((0x55772f068e50), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _757906)
   Call: (228) [system] peek_char((0x55772f068e50), _758840)
   Exit: (228) [system] peek_char((0x55772f068e50), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_763560, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_764492, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x55772f068e50), c)
   Exit: (228) [system] get_char((0x55772f068e50), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _771842)
   Call: (229) [system] peek_char((0x55772f068e50), _772776)
   Exit: (229) [system] peek_char((0x55772f068e50), a)
^  Call: (229) [user] is_delimiter(a)
   Call: (230) [system] char_type(a, space)
   Fail: (230) [system] char_type(a, space)
   Call: (230) [system] arg(_777496, v('(', ')', end_of_file), a)
   Fail: (230) [system] arg(_778428, v('(', ')', end_of_file), a)
^  Fail: (229) [user] is_delimiter(a)
   Call: (229) [system] ')'==a
   Fail: (229) [system] ')'==a
   Call: (229) [system] get_char((0x55772f068e50), a)
   Exit: (229) [system] get_char((0x55772f068e50), a)
   Call: (229) [system] a=(\)
   Fail: (229) [system] a=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _785778)
   Call: (230) [system] peek_char((0x55772f068e50), _786712)
   Exit: (230) [system] peek_char((0x55772f068e50), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_791432, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_792364, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x55772f068e50), t)
   Exit: (230) [system] get_char((0x55772f068e50), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _799714)
   Call: (231) [system] peek_char((0x55772f068e50), _800648)
   Exit: (231) [system] peek_char((0x55772f068e50), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_805368, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_806300, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x55772f068e50), i)
   Exit: (231) [system] get_char((0x55772f068e50), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _813650)
   Call: (232) [system] peek_char((0x55772f068e50), _814584)
   Exit: (232) [system] peek_char((0x55772f068e50), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_819304, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_820236, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x55772f068e50), o)
   Exit: (232) [system] get_char((0x55772f068e50), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _827586)
   Call: (233) [system] peek_char((0x55772f068e50), _828520)
   Exit: (233) [system] peek_char((0x55772f068e50), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_833240, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_834172, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x55772f068e50), n)
   Exit: (233) [system] get_char((0x55772f068e50), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _841522)
   Call: (234) [system] peek_char((0x55772f068e50), _842456)
   Exit: (234) [system] peek_char((0x55772f068e50), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _841522=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (233) [system] _827586=[n]
   Exit: (233) [system] [n]=[n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (232) [system] _813650=[o, n]
   Exit: (232) [system] [o, n]=[o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (231) [system] _799714=[i, o, n]
   Exit: (231) [system] [i, o, n]=[i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (230) [system] _785778=[t, i, o, n]
   Exit: (230) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (229) [system] _771842=[a, t, i, o, n]
   Exit: (229) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (228) [system] _757906=[c, a, t, i, o, n]
   Exit: (228) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (227) [system] _743970=[i, c, a, t, i, o, n]
   Exit: (227) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (226) [system] _730034=[l, i, c, a, t, i, o, n]
   Exit: (226) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (225) [system] _716098=[p, l, i, c, a, t, i, o, n]
   Exit: (225) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (224) [system] _702162=[m, p, l, i, c, a, t, i, o, n]
   Exit: (224) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (223) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _666652)
^  Call: (224) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _879680)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_880632, _880634), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _879680), _880614, fail)), '$restore_trace'(_880632, _880634))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_880632, _880634))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _879680), _880614, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_879680)
   Fail: (225) [system] atomic(_879680)
   Call: (225) [system] atom_chars(_879680, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (225) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (224) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (224) [system] integer('Implication')
   Fail: (224) [system] integer('Implication')
   Call: (224) [system] _666652='Implication'
   Exit: (224) [system] 'Implication'='Implication'
^  Exit: (223) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (222) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (221) [user] read_list(')', (0x55772f068e50), _894630)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _896488)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x55772f068e50), _906082)
   Exit: (223) [system] get_char((0x55772f068e50), ' ')
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _908786)
   Exit: (224) [system] peek_char((0x55772f068e50), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _925720)
   Exit: (222) [system] peek_char((0x55772f068e50), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _931290)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _933148)
   Exit: (224) [system] peek_char((0x55772f068e50), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _949158)
   Exit: (223) [system] get_char((0x55772f068e50), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x55772f068e50), _931290)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _954728)
   Exit: (225) [system] peek_char((0x55772f068e50), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _970738)
   Exit: (224) [system] peek_char((0x55772f068e50), 'A')
   Call: (224) [system] 'A'=')'
   Fail: (224) [system] 'A'=')'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x55772f068e50), _976308)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _978166)
   Exit: (226) [system] peek_char((0x55772f068e50), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
   Call: (226) [system] 'A'=(/)
   Fail: (226) [system] 'A'=(/)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] get_char((0x55772f068e50), _994176)
   Exit: (225) [system] get_char((0x55772f068e50), 'A')
   Call: (225) [system] 'A'='('
   Fail: (225) [system] 'A'='('
   Call: (225) [system] 'A'='['
   Fail: (225) [system] 'A'='['
   Call: (225) [system] 'A'='{'
   Fail: (225) [system] 'A'='{'
   Call: (225) [system] 'A'='"'
   Fail: (225) [system] 'A'='"'
   Call: (225) [system] 'A'=!
   Fail: (225) [system] 'A'=!
   Call: (225) [system] 'A'='\''
   Fail: (225) [system] 'A'='\''
   Call: (225) [system] 'A'='`'
   Fail: (225) [system] 'A'='`'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x55772f068e50), 'A', _976308)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1011818)
   Call: (227) [system] peek_char((0x55772f068e50), _1012752)
   Exit: (227) [system] peek_char((0x55772f068e50), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1017472, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_1018404, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x55772f068e50), n)
   Exit: (227) [system] get_char((0x55772f068e50), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1025754)
   Call: (228) [system] peek_char((0x55772f068e50), _1026688)
   Exit: (228) [system] peek_char((0x55772f068e50), d)
^  Call: (228) [user] is_delimiter(d)
   Call: (229) [system] char_type(d, space)
   Fail: (229) [system] char_type(d, space)
   Call: (229) [system] arg(_1031408, v('(', ')', end_of_file), d)
   Fail: (229) [system] arg(_1032340, v('(', ')', end_of_file), d)
^  Fail: (228) [user] is_delimiter(d)
   Call: (228) [system] ')'==d
   Fail: (228) [system] ')'==d
   Call: (228) [system] get_char((0x55772f068e50), d)
   Exit: (228) [system] get_char((0x55772f068e50), d)
   Call: (228) [system] d=(\)
   Fail: (228) [system] d=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1039690)
   Call: (229) [system] peek_char((0x55772f068e50), _1040624)
   Exit: (229) [system] peek_char((0x55772f068e50), 'L')
^  Call: (229) [user] is_delimiter('L')
   Call: (230) [system] char_type('L', space)
   Fail: (230) [system] char_type('L', space)
   Call: (230) [system] arg(_1045344, v('(', ')', end_of_file), 'L')
   Fail: (230) [system] arg(_1046276, v('(', ')', end_of_file), 'L')
^  Fail: (229) [user] is_delimiter('L')
   Call: (229) [system] ')'=='L'
   Fail: (229) [system] ')'=='L'
   Call: (229) [system] get_char((0x55772f068e50), 'L')
   Exit: (229) [system] get_char((0x55772f068e50), 'L')
   Call: (229) [system] 'L'=(\)
   Fail: (229) [system] 'L'=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1053626)
   Call: (230) [system] peek_char((0x55772f068e50), _1054560)
   Exit: (230) [system] peek_char((0x55772f068e50), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1059280, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_1060212, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x55772f068e50), i)
   Exit: (230) [system] get_char((0x55772f068e50), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1067562)
   Call: (231) [system] peek_char((0x55772f068e50), _1068496)
   Exit: (231) [system] peek_char((0x55772f068e50), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1073216, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1074148, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x55772f068e50), n)
   Exit: (231) [system] get_char((0x55772f068e50), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1081498)
   Call: (232) [system] peek_char((0x55772f068e50), _1082432)
   Exit: (232) [system] peek_char((0x55772f068e50), k)
^  Call: (232) [user] is_delimiter(k)
   Call: (233) [system] char_type(k, space)
   Fail: (233) [system] char_type(k, space)
   Call: (233) [system] arg(_1087152, v('(', ')', end_of_file), k)
   Fail: (233) [system] arg(_1088084, v('(', ')', end_of_file), k)
^  Fail: (232) [user] is_delimiter(k)
   Call: (232) [system] ')'==k
   Fail: (232) [system] ')'==k
   Call: (232) [system] get_char((0x55772f068e50), k)
   Exit: (232) [system] get_char((0x55772f068e50), k)
   Call: (232) [system] k=(\)
   Fail: (232) [system] k=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1095434)
   Call: (233) [system] peek_char((0x55772f068e50), _1096368)
   Exit: (233) [system] peek_char((0x55772f068e50), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _1095434=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (232) [system] _1081498=[k]
   Exit: (232) [system] [k]=[k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (231) [system] _1067562=[n, k]
   Exit: (231) [system] [n, k]=[n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (230) [system] _1053626=[i, n, k]
   Exit: (230) [system] [i, n, k]=[i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (229) [system] _1039690=['L', i, n, k]
   Exit: (229) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (228) [system] _1025754=[d, 'L', i, n, k]
   Exit: (228) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (227) [system] _1011818=[n, d, 'L', i, n, k]
   Exit: (227) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (226) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _976308)
^  Call: (227) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1122416)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1123368, _1123370), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1122416), _1123350, fail)), '$restore_trace'(_1123368, _1123370))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1123368, _1123370))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1122416), _1123350, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1122416)
   Fail: (228) [system] atomic(_1122416)
   Call: (228) [system] atom_chars(_1122416, ['A', n, d, 'L', i, n, k])
   Exit: (228) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (227) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (227) [system] integer('AndLink')
   Fail: (227) [system] integer('AndLink')
   Call: (227) [system] _976308='AndLink'
   Exit: (227) [system] 'AndLink'='AndLink'
^  Exit: (226) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (225) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (224) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (224) [user] read_list(')', (0x55772f068e50), _1137366)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1139224)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x55772f068e50), _1148818)
   Exit: (226) [system] get_char((0x55772f068e50), ' ')
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1151522)
   Exit: (227) [system] peek_char((0x55772f068e50), 'A')
   Call: (227) [system] 'A'=(;)
   Fail: (227) [system] 'A'=(;)
   Call: (227) [system] 'A'=(/)
   Fail: (227) [system] 'A'=(/)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Fail: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Fail: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Fail: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
   Fail: (228) [system] char_type('A', cntrl)
^  Fail: (227) [user] is_like_space('A')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1168456)
   Exit: (225) [system] peek_char((0x55772f068e50), 'A')
   Call: (225) [system] 'A'=')'
   Fail: (225) [system] 'A'=')'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x55772f068e50), _1174026)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1175884)
   Exit: (227) [system] peek_char((0x55772f068e50), 'A')
   Call: (227) [system] 'A'=(;)
   Fail: (227) [system] 'A'=(;)
   Call: (227) [system] 'A'=(/)
   Fail: (227) [system] 'A'=(/)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Fail: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Fail: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Fail: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
   Fail: (228) [system] char_type('A', cntrl)
^  Fail: (227) [user] is_like_space('A')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] get_char((0x55772f068e50), _1191894)
   Exit: (226) [system] get_char((0x55772f068e50), 'A')
   Call: (226) [system] 'A'='('
   Fail: (226) [system] 'A'='('
   Call: (226) [system] 'A'='['
   Fail: (226) [system] 'A'='['
   Call: (226) [system] 'A'='{'
   Fail: (226) [system] 'A'='{'
   Call: (226) [system] 'A'='"'
   Fail: (226) [system] 'A'='"'
   Call: (226) [system] 'A'=!
   Fail: (226) [system] 'A'=!
   Call: (226) [system] 'A'='\''
   Fail: (226) [system] 'A'='\''
   Call: (226) [system] 'A'='`'
   Fail: (226) [system] 'A'='`'
   Call: (226) [system] 'A'=end_of_file
   Fail: (226) [system] 'A'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x55772f068e50), 'A', _1174026)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1209536)
   Call: (228) [system] peek_char((0x55772f068e50), _1210470)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1209536=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (227) [user] classify_and_convert_charseq(['A'], _1174026)
^  Call: (228) [user] classify_and_convert_charseq_(['A'], _1219754)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1220706, _1220708), once(user:catch(read_from_chars(['A'], _1219754), _1220688, fail)), '$restore_trace'(_1220706, _1220708))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1220706, _1220708))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1219754), _1220688, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1219754)
   Fail: (229) [system] atomic(_1219754)
   Call: (229) [system] atom_chars(_1219754, ['A'])
   Exit: (229) [system] atom_chars('A', ['A'])
^  Exit: (228) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (228) [system] integer('A')
   Fail: (228) [system] integer('A')
   Call: (228) [system] _1174026='A'
   Exit: (228) [system] 'A'='A'
^  Exit: (227) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (226) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (225) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (225) [user] read_list(')', (0x55772f068e50), _1234704)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1236562)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x55772f068e50), _1246156)
   Exit: (227) [system] get_char((0x55772f068e50), ' ')
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1248860)
   Exit: (228) [system] peek_char((0x55772f068e50), 'B')
   Call: (228) [system] 'B'=(;)
   Fail: (228) [system] 'B'=(;)
   Call: (228) [system] 'B'=(/)
   Fail: (228) [system] 'B'=(/)
^  Call: (228) [user] is_like_space('B')
   Call: (229) [system] char_type('B', 'white')
   Fail: (229) [system] char_type('B', 'white')
   Call: (229) [system] char_type('B', end_of_line)
   Fail: (229) [system] char_type('B', end_of_line)
   Call: (229) [system] char_type('B', space)
   Fail: (229) [system] char_type('B', space)
   Call: (229) [system] char_type('B', cntrl)
   Fail: (229) [system] char_type('B', cntrl)
^  Fail: (228) [user] is_like_space('B')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1265794)
   Exit: (226) [system] peek_char((0x55772f068e50), 'B')
   Call: (226) [system] 'B'=')'
   Fail: (226) [system] 'B'=')'
   Call: (226) [system] 'B'=end_of_file
   Fail: (226) [system] 'B'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x55772f068e50), _1271364)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1273222)
   Exit: (228) [system] peek_char((0x55772f068e50), 'B')
   Call: (228) [system] 'B'=(;)
   Fail: (228) [system] 'B'=(;)
   Call: (228) [system] 'B'=(/)
   Fail: (228) [system] 'B'=(/)
^  Call: (228) [user] is_like_space('B')
   Call: (229) [system] char_type('B', 'white')
   Fail: (229) [system] char_type('B', 'white')
   Call: (229) [system] char_type('B', end_of_line)
   Fail: (229) [system] char_type('B', end_of_line)
   Call: (229) [system] char_type('B', space)
   Fail: (229) [system] char_type('B', space)
   Call: (229) [system] char_type('B', cntrl)
   Fail: (229) [system] char_type('B', cntrl)
^  Fail: (228) [user] is_like_space('B')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] get_char((0x55772f068e50), _1289232)
   Exit: (227) [system] get_char((0x55772f068e50), 'B')
   Call: (227) [system] 'B'='('
   Fail: (227) [system] 'B'='('
   Call: (227) [system] 'B'='['
   Fail: (227) [system] 'B'='['
   Call: (227) [system] 'B'='{'
   Fail: (227) [system] 'B'='{'
   Call: (227) [system] 'B'='"'
   Fail: (227) [system] 'B'='"'
   Call: (227) [system] 'B'=!
   Fail: (227) [system] 'B'=!
   Call: (227) [system] 'B'='\''
   Fail: (227) [system] 'B'='\''
   Call: (227) [system] 'B'='`'
   Fail: (227) [system] 'B'='`'
   Call: (227) [system] 'B'=end_of_file
   Fail: (227) [system] 'B'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x55772f068e50), 'B', _1271364)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1306874)
   Call: (229) [system] peek_char((0x55772f068e50), _1307808)
   Exit: (229) [system] peek_char((0x55772f068e50), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_1312528, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _1306874=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (228) [user] classify_and_convert_charseq(['B'], _1271364)
^  Call: (229) [user] classify_and_convert_charseq_(['B'], _1318964)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1319916, _1319918), once(user:catch(read_from_chars(['B'], _1318964), _1319898, fail)), '$restore_trace'(_1319916, _1319918))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1319916, _1319918))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1318964), _1319898, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1318964)
   Fail: (230) [system] atomic(_1318964)
   Call: (230) [system] atom_chars(_1318964, ['B'])
   Exit: (230) [system] atom_chars('B', ['B'])
^  Exit: (229) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (229) [system] integer('B')
   Fail: (229) [system] integer('B')
   Call: (229) [system] _1271364='B'
   Exit: (229) [system] 'B'='B'
^  Exit: (228) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (227) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (226) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (226) [user] read_list(')', (0x55772f068e50), _1333914)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1335772)
   Exit: (228) [system] peek_char((0x55772f068e50), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
   Call: (228) [system] ')'=(/)
   Fail: (228) [system] ')'=(/)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1351782)
   Exit: (227) [system] peek_char((0x55772f068e50), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x55772f068e50), _1355572)
   Exit: (227) [system] get_char((0x55772f068e50), ')')
   Call: (227) [system] _1333914=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x55772f068e50), [])
   Call: (226) [system] _1234704=['B']
   Exit: (226) [system] ['B']=['B']
^  Exit: (225) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (225) [system] _1137366=['A', 'B']
   Exit: (225) [system] ['A', 'B']=['A', 'B']
^  Exit: (224) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (224) [system] _931290=['AndLink', 'A', 'B']
   Exit: (224) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (223) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (222) [user] read_list(')', (0x55772f068e50), _1369454)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1371312)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x55772f068e50), _1380906)
   Exit: (224) [system] get_char((0x55772f068e50), ' ')
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1383610)
   Exit: (225) [system] peek_char((0x55772f068e50), 'C')
   Call: (225) [system] 'C'=(;)
   Fail: (225) [system] 'C'=(;)
   Call: (225) [system] 'C'=(/)
   Fail: (225) [system] 'C'=(/)
^  Call: (225) [user] is_like_space('C')
   Call: (226) [system] char_type('C', 'white')
   Fail: (226) [system] char_type('C', 'white')
   Call: (226) [system] char_type('C', end_of_line)
   Fail: (226) [system] char_type('C', end_of_line)
   Call: (226) [system] char_type('C', space)
   Fail: (226) [system] char_type('C', space)
   Call: (226) [system] char_type('C', cntrl)
   Fail: (226) [system] char_type('C', cntrl)
^  Fail: (225) [user] is_like_space('C')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1400544)
   Exit: (223) [system] peek_char((0x55772f068e50), 'C')
   Call: (223) [system] 'C'=')'
   Fail: (223) [system] 'C'=')'
   Call: (223) [system] 'C'=end_of_file
   Fail: (223) [system] 'C'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x55772f068e50), _1406114)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1407972)
   Exit: (225) [system] peek_char((0x55772f068e50), 'C')
   Call: (225) [system] 'C'=(;)
   Fail: (225) [system] 'C'=(;)
   Call: (225) [system] 'C'=(/)
   Fail: (225) [system] 'C'=(/)
^  Call: (225) [user] is_like_space('C')
   Call: (226) [system] char_type('C', 'white')
   Fail: (226) [system] char_type('C', 'white')
   Call: (226) [system] char_type('C', end_of_line)
   Fail: (226) [system] char_type('C', end_of_line)
   Call: (226) [system] char_type('C', space)
   Fail: (226) [system] char_type('C', space)
   Call: (226) [system] char_type('C', cntrl)
   Fail: (226) [system] char_type('C', cntrl)
^  Fail: (225) [user] is_like_space('C')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] get_char((0x55772f068e50), _1423982)
   Exit: (224) [system] get_char((0x55772f068e50), 'C')
   Call: (224) [system] 'C'='('
   Fail: (224) [system] 'C'='('
   Call: (224) [system] 'C'='['
   Fail: (224) [system] 'C'='['
   Call: (224) [system] 'C'='{'
   Fail: (224) [system] 'C'='{'
   Call: (224) [system] 'C'='"'
   Fail: (224) [system] 'C'='"'
   Call: (224) [system] 'C'=!
   Fail: (224) [system] 'C'=!
   Call: (224) [system] 'C'='\''
   Fail: (224) [system] 'C'='\''
   Call: (224) [system] 'C'='`'
   Fail: (224) [system] 'C'='`'
   Call: (224) [system] 'C'=end_of_file
   Fail: (224) [system] 'C'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x55772f068e50), 'C', _1406114)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1441624)
   Call: (226) [system] peek_char((0x55772f068e50), _1442558)
   Exit: (226) [system] peek_char((0x55772f068e50), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_1447278, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _1441624=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (225) [user] classify_and_convert_charseq(['C'], _1406114)
^  Call: (226) [user] classify_and_convert_charseq_(['C'], _1453714)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1454666, _1454668), once(user:catch(read_from_chars(['C'], _1453714), _1454648, fail)), '$restore_trace'(_1454666, _1454668))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1454666, _1454668))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1453714), _1454648, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1453714)
   Fail: (227) [system] atomic(_1453714)
   Call: (227) [system] atom_chars(_1453714, ['C'])
   Exit: (227) [system] atom_chars('C', ['C'])
^  Exit: (226) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (226) [system] integer('C')
   Fail: (226) [system] integer('C')
   Call: (226) [system] _1406114='C'
   Exit: (226) [system] 'C'='C'
^  Exit: (225) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (224) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (223) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (223) [user] read_list(')', (0x55772f068e50), _1468664)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1470522)
   Exit: (225) [system] peek_char((0x55772f068e50), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
   Call: (225) [system] ')'=(/)
   Fail: (225) [system] ')'=(/)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1486532)
   Exit: (224) [system] peek_char((0x55772f068e50), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x55772f068e50), _1490322)
   Exit: (224) [system] get_char((0x55772f068e50), ')')
   Call: (224) [system] _1468664=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x55772f068e50), [])
   Call: (223) [system] _1369454=['C']
   Exit: (223) [system] ['C']=['C']
^  Exit: (222) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (222) [system] _894630=[['AndLink', 'A', 'B'], 'C']
   Exit: (222) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (221) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (221) [system] _621634=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (221) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (220) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (219) [user] read_list(')', (0x55772f068e50), _1504204)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1506062)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x55772f068e50), _1515656)
   Exit: (221) [system] get_char((0x55772f068e50), ' ')
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1518360)
   Exit: (222) [system] peek_char((0x55772f068e50), 'A')
   Call: (222) [system] 'A'=(;)
   Fail: (222) [system] 'A'=(;)
   Call: (222) [system] 'A'=(/)
   Fail: (222) [system] 'A'=(/)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Fail: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Fail: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Fail: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
   Fail: (223) [system] char_type('A', cntrl)
^  Fail: (222) [user] is_like_space('A')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1535294)
   Exit: (220) [system] peek_char((0x55772f068e50), 'A')
   Call: (220) [system] 'A'=')'
   Fail: (220) [system] 'A'=')'
   Call: (220) [system] 'A'=end_of_file
   Fail: (220) [system] 'A'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _1540864)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1542722)
   Exit: (222) [system] peek_char((0x55772f068e50), 'A')
   Call: (222) [system] 'A'=(;)
   Fail: (222) [system] 'A'=(;)
   Call: (222) [system] 'A'=(/)
   Fail: (222) [system] 'A'=(/)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Fail: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Fail: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Fail: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
   Fail: (223) [system] char_type('A', cntrl)
^  Fail: (222) [user] is_like_space('A')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _1558732)
   Exit: (221) [system] get_char((0x55772f068e50), 'A')
   Call: (221) [system] 'A'='('
   Fail: (221) [system] 'A'='('
   Call: (221) [system] 'A'='['
   Fail: (221) [system] 'A'='['
   Call: (221) [system] 'A'='{'
   Fail: (221) [system] 'A'='{'
   Call: (221) [system] 'A'='"'
   Fail: (221) [system] 'A'='"'
   Call: (221) [system] 'A'=!
   Fail: (221) [system] 'A'=!
   Call: (221) [system] 'A'='\''
   Fail: (221) [system] 'A'='\''
   Call: (221) [system] 'A'='`'
   Fail: (221) [system] 'A'='`'
   Call: (221) [system] 'A'=end_of_file
   Fail: (221) [system] 'A'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x55772f068e50), 'A', _1540864)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1576374)
   Call: (223) [system] peek_char((0x55772f068e50), _1577308)
   Exit: (223) [system] peek_char((0x55772f068e50), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_1582028, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _1576374=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (222) [user] classify_and_convert_charseq(['A'], _1540864)
^  Call: (223) [user] classify_and_convert_charseq_(['A'], _1588464)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1589416, _1589418), once(user:catch(read_from_chars(['A'], _1588464), _1589398, fail)), '$restore_trace'(_1589416, _1589418))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1589416, _1589418))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1588464), _1589398, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1588464)
   Fail: (224) [system] atomic(_1588464)
   Call: (224) [system] atom_chars(_1588464, ['A'])
   Exit: (224) [system] atom_chars('A', ['A'])
^  Exit: (223) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (223) [system] integer('A')
   Fail: (223) [system] integer('A')
   Call: (223) [system] _1540864='A'
   Exit: (223) [system] 'A'='A'
^  Exit: (222) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (221) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (220) [user] read_list(')', (0x55772f068e50), _1603414)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1605272)
   Exit: (222) [system] peek_char((0x55772f068e50), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
   Call: (222) [system] ')'=(/)
   Fail: (222) [system] ')'=(/)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1621282)
   Exit: (221) [system] peek_char((0x55772f068e50), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x55772f068e50), _1625072)
   Exit: (221) [system] get_char((0x55772f068e50), ')')
   Call: (221) [system] _1603414=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x55772f068e50), [])
   Call: (220) [system] _1504204=['A']
   Exit: (220) [system] ['A']=['A']
^  Exit: (219) [user] read_list(')', (0x55772f068e50), ['A'])
   Call: (219) [system] _584974=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (219) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (218) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
   Call: (218) [system] _395628=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (218) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (217) [user] read_list(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Exit: (216) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Call: (216) [user] read_list(')', (0x55772f068e50), _1638954)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1640812)
   Exit: (218) [system] peek_char((0x55772f068e50), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
   Call: (218) [system] ')'=(/)
   Fail: (218) [system] ')'=(/)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1656822)
   Exit: (217) [system] peek_char((0x55772f068e50), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x55772f068e50), _1660612)
   Exit: (217) [system] get_char((0x55772f068e50), ')')
   Call: (217) [system] _1638954=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x55772f068e50), [])
   Call: (216) [system] _358968=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (216) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (215) [user] read_list(')', (0x55772f068e50), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (215) [system] _5430=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (215) [system] [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (214) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (214) [system] _5422=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (214) [system] [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (213) [user] read_list(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Exit: (212) [user] cont_sexpr(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Call: (212) [user] read_list(')', (0x55772f068e50), _1674494)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1676352)
   Exit: (214) [system] peek_char((0x55772f068e50), '\n')
   Call: (214) [system] '\n'=(;)
   Fail: (214) [system] '\n'=(;)
   Call: (214) [system] '\n'=(/)
   Fail: (214) [system] '\n'=(/)
^  Call: (214) [user] is_like_space('\n')
   Call: (215) [system] char_type('\n', 'white')
   Fail: (215) [system] char_type('\n', 'white')
   Call: (215) [system] char_type('\n', end_of_line)
   Exit: (215) [system] char_type('\n', end_of_line)
^  Exit: (214) [user] is_like_space('\n')
   Call: (214) [system] get_char((0x55772f068e50), _1687802)
   Exit: (214) [system] get_char((0x55772f068e50), '\n')
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1690506)
   Exit: (215) [system] peek_char((0x55772f068e50), '\t')
   Call: (215) [system] '\t'=(;)
   Fail: (215) [system] '\t'=(;)
   Call: (215) [system] '\t'=(/)
   Fail: (215) [system] '\t'=(/)
^  Call: (215) [user] is_like_space('\t')
   Call: (216) [system] char_type('\t', 'white')
   Exit: (216) [system] char_type('\t', 'white')
^  Exit: (215) [user] is_like_space('\t')
   Call: (215) [system] get_char((0x55772f068e50), _1700100)
   Exit: (215) [system] get_char((0x55772f068e50), '\t')
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1702804)
   Exit: (216) [system] peek_char((0x55772f068e50), '\t')
   Call: (216) [system] '\t'=(;)
   Fail: (216) [system] '\t'=(;)
   Call: (216) [system] '\t'=(/)
   Fail: (216) [system] '\t'=(/)
^  Call: (216) [user] is_like_space('\t')
   Call: (217) [system] char_type('\t', 'white')
   Exit: (217) [system] char_type('\t', 'white')
^  Exit: (216) [user] is_like_space('\t')
   Call: (216) [system] get_char((0x55772f068e50), _1712398)
   Exit: (216) [system] get_char((0x55772f068e50), '\t')
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1715102)
   Exit: (217) [system] peek_char((0x55772f068e50), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x55772f068e50), _1724696)
   Exit: (217) [system] get_char((0x55772f068e50), ' ')
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1727400)
   Exit: (218) [system] peek_char((0x55772f068e50), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1747106)
   Exit: (213) [system] peek_char((0x55772f068e50), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _1752676)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1754534)
   Exit: (215) [system] peek_char((0x55772f068e50), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _1770544)
   Exit: (214) [system] get_char((0x55772f068e50), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x55772f068e50), _1752676)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1776114)
   Exit: (216) [system] peek_char((0x55772f068e50), :)
   Call: (216) [system] (:)=(;)
   Fail: (216) [system] (:)=(;)
   Call: (216) [system] (:)=(/)
   Fail: (216) [system] (:)=(/)
^  Call: (216) [user] is_like_space(:)
   Call: (217) [system] char_type(:, 'white')
   Fail: (217) [system] char_type(:, 'white')
   Call: (217) [system] char_type(:, end_of_line)
   Fail: (217) [system] char_type(:, end_of_line)
   Call: (217) [system] char_type(:, space)
   Fail: (217) [system] char_type(:, space)
   Call: (217) [system] char_type(:, cntrl)
   Fail: (217) [system] char_type(:, cntrl)
^  Fail: (216) [user] is_like_space(:)
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1792124)
   Exit: (215) [system] peek_char((0x55772f068e50), :)
   Call: (215) [system] (:)=')'
   Fail: (215) [system] (:)=')'
   Call: (215) [system] (:)=end_of_file
   Fail: (215) [system] (:)=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x55772f068e50), _1797694)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1799552)
   Exit: (217) [system] peek_char((0x55772f068e50), :)
   Call: (217) [system] (:)=(;)
   Fail: (217) [system] (:)=(;)
   Call: (217) [system] (:)=(/)
   Fail: (217) [system] (:)=(/)
^  Call: (217) [user] is_like_space(:)
   Call: (218) [system] char_type(:, 'white')
   Fail: (218) [system] char_type(:, 'white')
   Call: (218) [system] char_type(:, end_of_line)
   Fail: (218) [system] char_type(:, end_of_line)
   Call: (218) [system] char_type(:, space)
   Fail: (218) [system] char_type(:, space)
   Call: (218) [system] char_type(:, cntrl)
   Fail: (218) [system] char_type(:, cntrl)
^  Fail: (217) [user] is_like_space(:)
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] get_char((0x55772f068e50), _1815562)
   Exit: (216) [system] get_char((0x55772f068e50), :)
   Call: (216) [system] (:)='('
   Fail: (216) [system] (:)='('
   Call: (216) [system] (:)='['
   Fail: (216) [system] (:)='['
   Call: (216) [system] (:)='{'
   Fail: (216) [system] (:)='{'
   Call: (216) [system] (:)='"'
   Fail: (216) [system] (:)='"'
   Call: (216) [system] (:)=!
   Fail: (216) [system] (:)=!
   Call: (216) [system] (:)='\''
   Fail: (216) [system] (:)='\''
   Call: (216) [system] (:)='`'
   Fail: (216) [system] (:)='`'
   Call: (216) [system] (:)=end_of_file
   Fail: (216) [system] (:)=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x55772f068e50), :, _1797694)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1833204)
   Call: (218) [system] peek_char((0x55772f068e50), _1834138)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _1833204=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (217) [user] classify_and_convert_charseq([:], _1797694)
^  Call: (218) [user] classify_and_convert_charseq_([:], _1843422)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1844374, _1844376), once(user:catch(read_from_chars([:], _1843422), _1844356, fail)), '$restore_trace'(_1844374, _1844376))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1844374, _1844376))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1844356, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(:)
   Exit: (219) [system] atomic(:)
^  Exit: (218) [user] classify_and_convert_charseq_([:], :)
   Call: (218) [system] integer(:)
   Fail: (218) [system] integer(:)
   Call: (218) [system] _1797694=(:)
   Exit: (218) [system] (:)=(:)
^  Exit: (217) [user] classify_and_convert_charseq([:], :)
^  Exit: (216) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (215) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (215) [user] read_list(')', (0x55772f068e50), _1856502)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1858360)
   Exit: (217) [system] peek_char((0x55772f068e50), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x55772f068e50), _1867954)
   Exit: (217) [system] get_char((0x55772f068e50), ' ')
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1870658)
   Exit: (218) [system] peek_char((0x55772f068e50), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1887592)
   Exit: (216) [system] peek_char((0x55772f068e50), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x55772f068e50), _1893162)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1895020)
   Exit: (218) [system] peek_char((0x55772f068e50), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] get_char((0x55772f068e50), _1911030)
   Exit: (217) [system] get_char((0x55772f068e50), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x55772f068e50), _1893162)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1916600)
   Exit: (219) [system] peek_char((0x55772f068e50), 'D')
   Call: (219) [system] 'D'=(;)
   Fail: (219) [system] 'D'=(;)
   Call: (219) [system] 'D'=(/)
   Fail: (219) [system] 'D'=(/)
^  Call: (219) [user] is_like_space('D')
   Call: (220) [system] char_type('D', 'white')
   Fail: (220) [system] char_type('D', 'white')
   Call: (220) [system] char_type('D', end_of_line)
   Fail: (220) [system] char_type('D', end_of_line)
   Call: (220) [system] char_type('D', space)
   Fail: (220) [system] char_type('D', space)
   Call: (220) [system] char_type('D', cntrl)
   Fail: (220) [system] char_type('D', cntrl)
^  Fail: (219) [user] is_like_space('D')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1932610)
   Exit: (218) [system] peek_char((0x55772f068e50), 'D')
   Call: (218) [system] 'D'=')'
   Fail: (218) [system] 'D'=')'
   Call: (218) [system] 'D'=end_of_file
   Fail: (218) [system] 'D'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _1938180)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1940038)
   Exit: (220) [system] peek_char((0x55772f068e50), 'D')
   Call: (220) [system] 'D'=(;)
   Fail: (220) [system] 'D'=(;)
   Call: (220) [system] 'D'=(/)
   Fail: (220) [system] 'D'=(/)
^  Call: (220) [user] is_like_space('D')
   Call: (221) [system] char_type('D', 'white')
   Fail: (221) [system] char_type('D', 'white')
   Call: (221) [system] char_type('D', end_of_line)
   Fail: (221) [system] char_type('D', end_of_line)
   Call: (221) [system] char_type('D', space)
   Fail: (221) [system] char_type('D', space)
   Call: (221) [system] char_type('D', cntrl)
   Fail: (221) [system] char_type('D', cntrl)
^  Fail: (220) [user] is_like_space('D')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _1956048)
   Exit: (219) [system] get_char((0x55772f068e50), 'D')
   Call: (219) [system] 'D'='('
   Fail: (219) [system] 'D'='('
   Call: (219) [system] 'D'='['
   Fail: (219) [system] 'D'='['
   Call: (219) [system] 'D'='{'
   Fail: (219) [system] 'D'='{'
   Call: (219) [system] 'D'='"'
   Fail: (219) [system] 'D'='"'
   Call: (219) [system] 'D'=!
   Fail: (219) [system] 'D'=!
   Call: (219) [system] 'D'='\''
   Fail: (219) [system] 'D'='\''
   Call: (219) [system] 'D'='`'
   Fail: (219) [system] 'D'='`'
   Call: (219) [system] 'D'=end_of_file
   Fail: (219) [system] 'D'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x55772f068e50), 'D', _1938180)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1973690)
   Call: (221) [system] peek_char((0x55772f068e50), _1974624)
   Exit: (221) [system] peek_char((0x55772f068e50), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1979344, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1980276, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x55772f068e50), i)
   Exit: (221) [system] get_char((0x55772f068e50), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1987626)
   Call: (222) [system] peek_char((0x55772f068e50), _1988560)
   Exit: (222) [system] peek_char((0x55772f068e50), s)
^  Call: (222) [user] is_delimiter(s)
   Call: (223) [system] char_type(s, space)
   Fail: (223) [system] char_type(s, space)
   Call: (223) [system] arg(_1993280, v('(', ')', end_of_file), s)
   Fail: (223) [system] arg(_1994212, v('(', ')', end_of_file), s)
^  Fail: (222) [user] is_delimiter(s)
   Call: (222) [system] ')'==s
   Fail: (222) [system] ')'==s
   Call: (222) [system] get_char((0x55772f068e50), s)
   Exit: (222) [system] get_char((0x55772f068e50), s)
   Call: (222) [system] s=(\)
   Fail: (222) [system] s=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _2001562)
   Call: (223) [system] peek_char((0x55772f068e50), _2002496)
   Exit: (223) [system] peek_char((0x55772f068e50), j)
^  Call: (223) [user] is_delimiter(j)
   Call: (224) [system] char_type(j, space)
   Fail: (224) [system] char_type(j, space)
   Call: (224) [system] arg(_2007216, v('(', ')', end_of_file), j)
   Fail: (224) [system] arg(_2008148, v('(', ')', end_of_file), j)
^  Fail: (223) [user] is_delimiter(j)
   Call: (223) [system] ')'==j
   Fail: (223) [system] ')'==j
   Call: (223) [system] get_char((0x55772f068e50), j)
   Exit: (223) [system] get_char((0x55772f068e50), j)
   Call: (223) [system] j=(\)
   Fail: (223) [system] j=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _2015498)
   Call: (224) [system] peek_char((0x55772f068e50), _2016432)
   Exit: (224) [system] peek_char((0x55772f068e50), u)
^  Call: (224) [user] is_delimiter(u)
   Call: (225) [system] char_type(u, space)
   Fail: (225) [system] char_type(u, space)
   Call: (225) [system] arg(_2021152, v('(', ')', end_of_file), u)
   Fail: (225) [system] arg(_2022084, v('(', ')', end_of_file), u)
^  Fail: (224) [user] is_delimiter(u)
   Call: (224) [system] ')'==u
   Fail: (224) [system] ')'==u
   Call: (224) [system] get_char((0x55772f068e50), u)
   Exit: (224) [system] get_char((0x55772f068e50), u)
   Call: (224) [system] u=(\)
   Fail: (224) [system] u=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _2029434)
   Call: (225) [system] peek_char((0x55772f068e50), _2030368)
   Exit: (225) [system] peek_char((0x55772f068e50), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_2035088, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_2036020, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x55772f068e50), n)
   Exit: (225) [system] get_char((0x55772f068e50), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _2043370)
   Call: (226) [system] peek_char((0x55772f068e50), _2044304)
   Exit: (226) [system] peek_char((0x55772f068e50), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_2049024, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_2049956, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x55772f068e50), c)
   Exit: (226) [system] get_char((0x55772f068e50), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _2057306)
   Call: (227) [system] peek_char((0x55772f068e50), _2058240)
   Exit: (227) [system] peek_char((0x55772f068e50), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_2062960, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_2063892, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x55772f068e50), t)
   Exit: (227) [system] get_char((0x55772f068e50), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _2071242)
   Call: (228) [system] peek_char((0x55772f068e50), _2072176)
   Exit: (228) [system] peek_char((0x55772f068e50), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_2076896, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_2077828, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x55772f068e50), i)
   Exit: (228) [system] get_char((0x55772f068e50), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _2085178)
   Call: (229) [system] peek_char((0x55772f068e50), _2086112)
   Exit: (229) [system] peek_char((0x55772f068e50), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_2090832, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_2091764, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x55772f068e50), o)
   Exit: (229) [system] get_char((0x55772f068e50), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _7956)
   Call: (230) [system] peek_char((0x55772f068e50), _8890)
   Exit: (230) [system] peek_char((0x55772f068e50), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_13610, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_14542, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x55772f068e50), n)
   Exit: (230) [system] get_char((0x55772f068e50), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _21892)
   Call: (231) [system] peek_char((0x55772f068e50), _22826)
   Exit: (231) [system] peek_char((0x55772f068e50), 'I')
^  Call: (231) [user] is_delimiter('I')
   Call: (232) [system] char_type('I', space)
   Fail: (232) [system] char_type('I', space)
   Call: (232) [system] arg(_27546, v('(', ')', end_of_file), 'I')
   Fail: (232) [system] arg(_28478, v('(', ')', end_of_file), 'I')
^  Fail: (231) [user] is_delimiter('I')
   Call: (231) [system] ')'=='I'
   Fail: (231) [system] ')'=='I'
   Call: (231) [system] get_char((0x55772f068e50), 'I')
   Exit: (231) [system] get_char((0x55772f068e50), 'I')
   Call: (231) [system] 'I'=(\)
   Fail: (231) [system] 'I'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _35828)
   Call: (232) [system] peek_char((0x55772f068e50), _36762)
   Exit: (232) [system] peek_char((0x55772f068e50), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_41482, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_42414, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x55772f068e50), n)
   Exit: (232) [system] get_char((0x55772f068e50), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _49764)
   Call: (233) [system] peek_char((0x55772f068e50), _50698)
   Exit: (233) [system] peek_char((0x55772f068e50), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Fail: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_55418, v('(', ')', end_of_file), t)
   Fail: (234) [system] arg(_56350, v('(', ')', end_of_file), t)
^  Fail: (233) [user] is_delimiter(t)
   Call: (233) [system] ')'==t
   Fail: (233) [system] ')'==t
   Call: (233) [system] get_char((0x55772f068e50), t)
   Exit: (233) [system] get_char((0x55772f068e50), t)
   Call: (233) [system] t=(\)
   Fail: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _63700)
   Call: (234) [system] peek_char((0x55772f068e50), _64634)
   Exit: (234) [system] peek_char((0x55772f068e50), r)
^  Call: (234) [user] is_delimiter(r)
   Call: (235) [system] char_type(r, space)
   Fail: (235) [system] char_type(r, space)
   Call: (235) [system] arg(_69354, v('(', ')', end_of_file), r)
   Fail: (235) [system] arg(_70286, v('(', ')', end_of_file), r)
^  Fail: (234) [user] is_delimiter(r)
   Call: (234) [system] ')'==r
   Fail: (234) [system] ')'==r
   Call: (234) [system] get_char((0x55772f068e50), r)
   Exit: (234) [system] get_char((0x55772f068e50), r)
   Call: (234) [system] r=(\)
   Fail: (234) [system] r=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _77636)
   Call: (235) [system] peek_char((0x55772f068e50), _78570)
   Exit: (235) [system] peek_char((0x55772f068e50), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Fail: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_83290, v('(', ')', end_of_file), o)
   Fail: (236) [system] arg(_84222, v('(', ')', end_of_file), o)
^  Fail: (235) [user] is_delimiter(o)
   Call: (235) [system] ')'==o
   Fail: (235) [system] ')'==o
   Call: (235) [system] get_char((0x55772f068e50), o)
   Exit: (235) [system] get_char((0x55772f068e50), o)
   Call: (235) [system] o=(\)
   Fail: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _91572)
   Call: (236) [system] peek_char((0x55772f068e50), _92506)
   Exit: (236) [system] peek_char((0x55772f068e50), d)
^  Call: (236) [user] is_delimiter(d)
   Call: (237) [system] char_type(d, space)
   Fail: (237) [system] char_type(d, space)
   Call: (237) [system] arg(_97226, v('(', ')', end_of_file), d)
   Fail: (237) [system] arg(_98158, v('(', ')', end_of_file), d)
^  Fail: (236) [user] is_delimiter(d)
   Call: (236) [system] ')'==d
   Fail: (236) [system] ')'==d
   Call: (236) [system] get_char((0x55772f068e50), d)
   Exit: (236) [system] get_char((0x55772f068e50), d)
   Call: (236) [system] d=(\)
   Fail: (236) [system] d=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _105508)
   Call: (237) [system] peek_char((0x55772f068e50), _106442)
   Exit: (237) [system] peek_char((0x55772f068e50), u)
^  Call: (237) [user] is_delimiter(u)
   Call: (238) [system] char_type(u, space)
   Fail: (238) [system] char_type(u, space)
   Call: (238) [system] arg(_111162, v('(', ')', end_of_file), u)
   Fail: (238) [system] arg(_112094, v('(', ')', end_of_file), u)
^  Fail: (237) [user] is_delimiter(u)
   Call: (237) [system] ')'==u
   Fail: (237) [system] ')'==u
   Call: (237) [system] get_char((0x55772f068e50), u)
   Exit: (237) [system] get_char((0x55772f068e50), u)
   Call: (237) [system] u=(\)
   Fail: (237) [system] u=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _119444)
   Call: (238) [system] peek_char((0x55772f068e50), _120378)
   Exit: (238) [system] peek_char((0x55772f068e50), c)
^  Call: (238) [user] is_delimiter(c)
   Call: (239) [system] char_type(c, space)
   Fail: (239) [system] char_type(c, space)
   Call: (239) [system] arg(_125098, v('(', ')', end_of_file), c)
   Fail: (239) [system] arg(_126030, v('(', ')', end_of_file), c)
^  Fail: (238) [user] is_delimiter(c)
   Call: (238) [system] ')'==c
   Fail: (238) [system] ')'==c
   Call: (238) [system] get_char((0x55772f068e50), c)
   Exit: (238) [system] get_char((0x55772f068e50), c)
   Call: (238) [system] c=(\)
   Fail: (238) [system] c=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _133380)
   Call: (239) [system] peek_char((0x55772f068e50), _134314)
   Exit: (239) [system] peek_char((0x55772f068e50), t)
^  Call: (239) [user] is_delimiter(t)
   Call: (240) [system] char_type(t, space)
   Fail: (240) [system] char_type(t, space)
   Call: (240) [system] arg(_139034, v('(', ')', end_of_file), t)
   Fail: (240) [system] arg(_139966, v('(', ')', end_of_file), t)
^  Fail: (239) [user] is_delimiter(t)
   Call: (239) [system] ')'==t
   Fail: (239) [system] ')'==t
   Call: (239) [system] get_char((0x55772f068e50), t)
   Exit: (239) [system] get_char((0x55772f068e50), t)
   Call: (239) [system] t=(\)
   Fail: (239) [system] t=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _147316)
   Call: (240) [system] peek_char((0x55772f068e50), _148250)
   Exit: (240) [system] peek_char((0x55772f068e50), i)
^  Call: (240) [user] is_delimiter(i)
   Call: (241) [system] char_type(i, space)
   Fail: (241) [system] char_type(i, space)
   Call: (241) [system] arg(_152970, v('(', ')', end_of_file), i)
   Fail: (241) [system] arg(_153902, v('(', ')', end_of_file), i)
^  Fail: (240) [user] is_delimiter(i)
   Call: (240) [system] ')'==i
   Fail: (240) [system] ')'==i
   Call: (240) [system] get_char((0x55772f068e50), i)
   Exit: (240) [system] get_char((0x55772f068e50), i)
   Call: (240) [system] i=(\)
   Fail: (240) [system] i=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _161252)
   Call: (241) [system] peek_char((0x55772f068e50), _162186)
   Exit: (241) [system] peek_char((0x55772f068e50), o)
^  Call: (241) [user] is_delimiter(o)
   Call: (242) [system] char_type(o, space)
   Fail: (242) [system] char_type(o, space)
   Call: (242) [system] arg(_166906, v('(', ')', end_of_file), o)
   Fail: (242) [system] arg(_167838, v('(', ')', end_of_file), o)
^  Fail: (241) [user] is_delimiter(o)
   Call: (241) [system] ')'==o
   Fail: (241) [system] ')'==o
   Call: (241) [system] get_char((0x55772f068e50), o)
   Exit: (241) [system] get_char((0x55772f068e50), o)
   Call: (241) [system] o=(\)
   Fail: (241) [system] o=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x55772f068e50), _175188)
   Call: (242) [system] peek_char((0x55772f068e50), _176122)
   Exit: (242) [system] peek_char((0x55772f068e50), n)
^  Call: (242) [user] is_delimiter(n)
   Call: (243) [system] char_type(n, space)
   Fail: (243) [system] char_type(n, space)
   Call: (243) [system] arg(_180842, v('(', ')', end_of_file), n)
   Fail: (243) [system] arg(_181774, v('(', ')', end_of_file), n)
^  Fail: (242) [user] is_delimiter(n)
   Call: (242) [system] ')'==n
   Fail: (242) [system] ')'==n
   Call: (242) [system] get_char((0x55772f068e50), n)
   Exit: (242) [system] get_char((0x55772f068e50), n)
   Call: (242) [system] n=(\)
   Fail: (242) [system] n=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x55772f068e50), _189124)
   Call: (243) [system] peek_char((0x55772f068e50), _190058)
   Exit: (243) [system] peek_char((0x55772f068e50), ' ')
^  Call: (243) [user] is_delimiter(' ')
   Call: (244) [system] char_type(' ', space)
   Exit: (244) [system] char_type(' ', space)
^  Exit: (243) [user] is_delimiter(' ')
   Call: (243) [system] _189124=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (242) [system] _175188=[n]
   Exit: (242) [system] [n]=[n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (241) [system] _161252=[o, n]
   Exit: (241) [system] [o, n]=[o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (240) [system] _147316=[i, o, n]
   Exit: (240) [system] [i, o, n]=[i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (239) [system] _133380=[t, i, o, n]
   Exit: (239) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (238) [system] _119444=[c, t, i, o, n]
   Exit: (238) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (237) [system] _105508=[u, c, t, i, o, n]
   Exit: (237) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (236) [system] _91572=[d, u, c, t, i, o, n]
   Exit: (236) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (235) [system] _77636=[o, d, u, c, t, i, o, n]
   Exit: (235) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (234) [system] _63700=[r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _49764=[t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _35828=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _21892=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _7956=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _5572=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _5568=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _5564=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _5560=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _5556=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _5552=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _5548=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _5544=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _5540=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (220) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5536)
^  Call: (221) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _260810)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_261762, _261764), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _260810), _261744, fail)), '$restore_trace'(_261762, _261764))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_261762, _261764))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _260810), _261744, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_260810)
   Fail: (222) [system] atomic(_260810)
   Call: (222) [system] atom_chars(_260810, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (222) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (221) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (221) [system] integer('DisjunctionIntroduction')
   Fail: (221) [system] integer('DisjunctionIntroduction')
   Call: (221) [system] _5536='DisjunctionIntroduction'
   Exit: (221) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (220) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (219) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (218) [user] read_list(')', (0x55772f068e50), _275760)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _277618)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x55772f068e50), _287212)
   Exit: (220) [system] get_char((0x55772f068e50), ' ')
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _289916)
   Exit: (221) [system] peek_char((0x55772f068e50), a)
   Call: (221) [system] a=(;)
   Fail: (221) [system] a=(;)
   Call: (221) [system] a=(/)
   Fail: (221) [system] a=(/)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Fail: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Fail: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
   Fail: (222) [system] char_type(a, cntrl)
^  Fail: (221) [user] is_like_space(a)
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _306850)
   Exit: (219) [system] peek_char((0x55772f068e50), a)
   Call: (219) [system] a=')'
   Fail: (219) [system] a=')'
   Call: (219) [system] a=end_of_file
   Fail: (219) [system] a=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _312420)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _314278)
   Exit: (221) [system] peek_char((0x55772f068e50), a)
   Call: (221) [system] a=(;)
   Fail: (221) [system] a=(;)
   Call: (221) [system] a=(/)
   Fail: (221) [system] a=(/)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Fail: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Fail: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
   Fail: (222) [system] char_type(a, cntrl)
^  Fail: (221) [user] is_like_space(a)
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _330288)
   Exit: (220) [system] get_char((0x55772f068e50), a)
   Call: (220) [system] a='('
   Fail: (220) [system] a='('
   Call: (220) [system] a='['
   Fail: (220) [system] a='['
   Call: (220) [system] a='{'
   Fail: (220) [system] a='{'
   Call: (220) [system] a='"'
   Fail: (220) [system] a='"'
   Call: (220) [system] a=!
   Fail: (220) [system] a=!
   Call: (220) [system] a='\''
   Fail: (220) [system] a='\''
   Call: (220) [system] a='`'
   Fail: (220) [system] a='`'
   Call: (220) [system] a=end_of_file
   Fail: (220) [system] a=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x55772f068e50), a, _312420)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _347930)
   Call: (222) [system] peek_char((0x55772f068e50), _348864)
   Exit: (222) [system] peek_char((0x55772f068e50), b)
^  Call: (222) [user] is_delimiter(b)
   Call: (223) [system] char_type(b, space)
   Fail: (223) [system] char_type(b, space)
   Call: (223) [system] arg(_353584, v('(', ')', end_of_file), b)
   Fail: (223) [system] arg(_354516, v('(', ')', end_of_file), b)
^  Fail: (222) [user] is_delimiter(b)
   Call: (222) [system] ')'==b
   Fail: (222) [system] ')'==b
   Call: (222) [system] get_char((0x55772f068e50), b)
   Exit: (222) [system] get_char((0x55772f068e50), b)
   Call: (222) [system] b=(\)
   Fail: (222) [system] b=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _361866)
   Call: (223) [system] peek_char((0x55772f068e50), _362800)
   Exit: (223) [system] peek_char((0x55772f068e50), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_367520, v('(', ')', end_of_file), c)
   Fail: (224) [system] arg(_368452, v('(', ')', end_of_file), c)
^  Fail: (223) [user] is_delimiter(c)
   Call: (223) [system] ')'==c
   Fail: (223) [system] ')'==c
   Call: (223) [system] get_char((0x55772f068e50), c)
   Exit: (223) [system] get_char((0x55772f068e50), c)
   Call: (223) [system] c=(\)
   Fail: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _375802)
   Call: (224) [system] peek_char((0x55772f068e50), _376736)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _375802=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (223) [system] _361866=[c]
   Exit: (223) [system] [c]=[c]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (222) [system] _347930=[b, c]
   Exit: (222) [system] [b, c]=[b, c]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (221) [user] classify_and_convert_charseq([a, b, c], _312420)
^  Call: (222) [user] classify_and_convert_charseq_([a, b, c], _391608)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_392560, _392562), once(user:catch(read_from_chars([a, b, c], _391608), _392542, fail)), '$restore_trace'(_392560, _392562))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_392560, _392562))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _392542, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(abc)
   Exit: (223) [system] atomic(abc)
^  Exit: (222) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (222) [system] integer(abc)
   Fail: (222) [system] integer(abc)
   Call: (222) [system] _312420=abc
   Exit: (222) [system] abc=abc
^  Exit: (221) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (220) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (219) [user] read_list(')', (0x55772f068e50), _404688)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _406546)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x55772f068e50), _416140)
   Exit: (221) [system] get_char((0x55772f068e50), ' ')
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _418844)
   Exit: (222) [system] peek_char((0x55772f068e50), a)
   Call: (222) [system] a=(;)
   Fail: (222) [system] a=(;)
   Call: (222) [system] a=(/)
   Fail: (222) [system] a=(/)
^  Call: (222) [user] is_like_space(a)
   Call: (223) [system] char_type(a, 'white')
   Fail: (223) [system] char_type(a, 'white')
   Call: (223) [system] char_type(a, end_of_line)
   Fail: (223) [system] char_type(a, end_of_line)
   Call: (223) [system] char_type(a, space)
   Fail: (223) [system] char_type(a, space)
   Call: (223) [system] char_type(a, cntrl)
   Fail: (223) [system] char_type(a, cntrl)
^  Fail: (222) [user] is_like_space(a)
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _435778)
   Exit: (220) [system] peek_char((0x55772f068e50), a)
   Call: (220) [system] a=')'
   Fail: (220) [system] a=')'
   Call: (220) [system] a=end_of_file
   Fail: (220) [system] a=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _441348)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _443206)
   Exit: (222) [system] peek_char((0x55772f068e50), a)
   Call: (222) [system] a=(;)
   Fail: (222) [system] a=(;)
   Call: (222) [system] a=(/)
   Fail: (222) [system] a=(/)
^  Call: (222) [user] is_like_space(a)
   Call: (223) [system] char_type(a, 'white')
   Fail: (223) [system] char_type(a, 'white')
   Call: (223) [system] char_type(a, end_of_line)
   Fail: (223) [system] char_type(a, end_of_line)
   Call: (223) [system] char_type(a, space)
   Fail: (223) [system] char_type(a, space)
   Call: (223) [system] char_type(a, cntrl)
   Fail: (223) [system] char_type(a, cntrl)
^  Fail: (222) [user] is_like_space(a)
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _459216)
   Exit: (221) [system] get_char((0x55772f068e50), a)
   Call: (221) [system] a='('
   Fail: (221) [system] a='('
   Call: (221) [system] a='['
   Fail: (221) [system] a='['
   Call: (221) [system] a='{'
   Fail: (221) [system] a='{'
   Call: (221) [system] a='"'
   Fail: (221) [system] a='"'
   Call: (221) [system] a=!
   Fail: (221) [system] a=!
   Call: (221) [system] a='\''
   Fail: (221) [system] a='\''
   Call: (221) [system] a='`'
   Fail: (221) [system] a='`'
   Call: (221) [system] a=end_of_file
   Fail: (221) [system] a=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x55772f068e50), a, _441348)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _476858)
   Call: (223) [system] peek_char((0x55772f068e50), _477792)
   Exit: (223) [system] peek_char((0x55772f068e50), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_482512, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _476858=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (222) [user] classify_and_convert_charseq([a], _441348)
^  Call: (223) [user] classify_and_convert_charseq_([a], _488948)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_489900, _489902), once(user:catch(read_from_chars([a], _488948), _489882, fail)), '$restore_trace'(_489900, _489902))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_489900, _489902))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _489882, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(a)
   Exit: (224) [system] atomic(a)
^  Exit: (223) [user] classify_and_convert_charseq_([a], a)
   Call: (223) [system] integer(a)
   Fail: (223) [system] integer(a)
   Call: (223) [system] _441348=a
   Exit: (223) [system] a=a
^  Exit: (222) [user] classify_and_convert_charseq([a], a)
^  Exit: (221) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (220) [user] read_list(')', (0x55772f068e50), _502028)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _503886)
   Exit: (222) [system] peek_char((0x55772f068e50), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
   Call: (222) [system] ')'=(/)
   Fail: (222) [system] ')'=(/)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _519896)
   Exit: (221) [system] peek_char((0x55772f068e50), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x55772f068e50), _523686)
   Exit: (221) [system] get_char((0x55772f068e50), ')')
   Call: (221) [system] _502028=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x55772f068e50), [])
   Call: (220) [system] _404688=[a]
   Exit: (220) [system] [a]=[a]
^  Exit: (219) [user] read_list(')', (0x55772f068e50), [a])
   Call: (219) [system] _275760=[abc, a]
   Exit: (219) [system] [abc, a]=[abc, a]
^  Exit: (218) [user] read_list(')', (0x55772f068e50), [abc, a])
   Call: (218) [system] _5530=['DisjunctionIntroduction', abc, a]
   Exit: (218) [system] ['DisjunctionIntroduction', abc, a]=['DisjunctionIntroduction', abc, a]
^  Exit: (217) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, a])
^  Exit: (216) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, a])
^  Call: (216) [user] read_list(')', (0x55772f068e50), _537568)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _539426)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x55772f068e50), _549020)
   Exit: (218) [system] get_char((0x55772f068e50), ' ')
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _551724)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _568658)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _574228)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _576086)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _592096)
   Exit: (218) [system] get_char((0x55772f068e50), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x55772f068e50), _574228)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _597666)
   Exit: (220) [system] peek_char((0x55772f068e50), 'O')
   Call: (220) [system] 'O'=(;)
   Fail: (220) [system] 'O'=(;)
   Call: (220) [system] 'O'=(/)
   Fail: (220) [system] 'O'=(/)
^  Call: (220) [user] is_like_space('O')
   Call: (221) [system] char_type('O', 'white')
   Fail: (221) [system] char_type('O', 'white')
   Call: (221) [system] char_type('O', end_of_line)
   Fail: (221) [system] char_type('O', end_of_line)
   Call: (221) [system] char_type('O', space)
   Fail: (221) [system] char_type('O', space)
   Call: (221) [system] char_type('O', cntrl)
   Fail: (221) [system] char_type('O', cntrl)
^  Fail: (220) [user] is_like_space('O')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _613676)
   Exit: (219) [system] peek_char((0x55772f068e50), 'O')
   Call: (219) [system] 'O'=')'
   Fail: (219) [system] 'O'=')'
   Call: (219) [system] 'O'=end_of_file
   Fail: (219) [system] 'O'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _619246)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _621104)
   Exit: (221) [system] peek_char((0x55772f068e50), 'O')
   Call: (221) [system] 'O'=(;)
   Fail: (221) [system] 'O'=(;)
   Call: (221) [system] 'O'=(/)
   Fail: (221) [system] 'O'=(/)
^  Call: (221) [user] is_like_space('O')
   Call: (222) [system] char_type('O', 'white')
   Fail: (222) [system] char_type('O', 'white')
   Call: (222) [system] char_type('O', end_of_line)
   Fail: (222) [system] char_type('O', end_of_line)
   Call: (222) [system] char_type('O', space)
   Fail: (222) [system] char_type('O', space)
   Call: (222) [system] char_type('O', cntrl)
   Fail: (222) [system] char_type('O', cntrl)
^  Fail: (221) [user] is_like_space('O')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _637114)
   Exit: (220) [system] get_char((0x55772f068e50), 'O')
   Call: (220) [system] 'O'='('
   Fail: (220) [system] 'O'='('
   Call: (220) [system] 'O'='['
   Fail: (220) [system] 'O'='['
   Call: (220) [system] 'O'='{'
   Fail: (220) [system] 'O'='{'
   Call: (220) [system] 'O'='"'
   Fail: (220) [system] 'O'='"'
   Call: (220) [system] 'O'=!
   Fail: (220) [system] 'O'=!
   Call: (220) [system] 'O'='\''
   Fail: (220) [system] 'O'='\''
   Call: (220) [system] 'O'='`'
   Fail: (220) [system] 'O'='`'
   Call: (220) [system] 'O'=end_of_file
   Fail: (220) [system] 'O'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x55772f068e50), 'O', _619246)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _654756)
   Call: (222) [system] peek_char((0x55772f068e50), _655690)
   Exit: (222) [system] peek_char((0x55772f068e50), r)
^  Call: (222) [user] is_delimiter(r)
   Call: (223) [system] char_type(r, space)
   Fail: (223) [system] char_type(r, space)
   Call: (223) [system] arg(_660410, v('(', ')', end_of_file), r)
   Fail: (223) [system] arg(_661342, v('(', ')', end_of_file), r)
^  Fail: (222) [user] is_delimiter(r)
   Call: (222) [system] ')'==r
   Fail: (222) [system] ')'==r
   Call: (222) [system] get_char((0x55772f068e50), r)
   Exit: (222) [system] get_char((0x55772f068e50), r)
   Call: (222) [system] r=(\)
   Fail: (222) [system] r=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _668692)
   Call: (223) [system] peek_char((0x55772f068e50), _669626)
   Exit: (223) [system] peek_char((0x55772f068e50), 'L')
^  Call: (223) [user] is_delimiter('L')
   Call: (224) [system] char_type('L', space)
   Fail: (224) [system] char_type('L', space)
   Call: (224) [system] arg(_674346, v('(', ')', end_of_file), 'L')
   Fail: (224) [system] arg(_675278, v('(', ')', end_of_file), 'L')
^  Fail: (223) [user] is_delimiter('L')
   Call: (223) [system] ')'=='L'
   Fail: (223) [system] ')'=='L'
   Call: (223) [system] get_char((0x55772f068e50), 'L')
   Exit: (223) [system] get_char((0x55772f068e50), 'L')
   Call: (223) [system] 'L'=(\)
   Fail: (223) [system] 'L'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _682628)
   Call: (224) [system] peek_char((0x55772f068e50), _683562)
   Exit: (224) [system] peek_char((0x55772f068e50), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_688282, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_689214, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x55772f068e50), i)
   Exit: (224) [system] get_char((0x55772f068e50), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _696564)
   Call: (225) [system] peek_char((0x55772f068e50), _697498)
   Exit: (225) [system] peek_char((0x55772f068e50), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_702218, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_703150, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x55772f068e50), n)
   Exit: (225) [system] get_char((0x55772f068e50), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _710500)
   Call: (226) [system] peek_char((0x55772f068e50), _711434)
   Exit: (226) [system] peek_char((0x55772f068e50), k)
^  Call: (226) [user] is_delimiter(k)
   Call: (227) [system] char_type(k, space)
   Fail: (227) [system] char_type(k, space)
   Call: (227) [system] arg(_716154, v('(', ')', end_of_file), k)
   Fail: (227) [system] arg(_717086, v('(', ')', end_of_file), k)
^  Fail: (226) [user] is_delimiter(k)
   Call: (226) [system] ')'==k
   Fail: (226) [system] ')'==k
   Call: (226) [system] get_char((0x55772f068e50), k)
   Exit: (226) [system] get_char((0x55772f068e50), k)
   Call: (226) [system] k=(\)
   Fail: (226) [system] k=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _724436)
   Call: (227) [system] peek_char((0x55772f068e50), _725370)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _724436=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (226) [system] _710500=[k]
   Exit: (226) [system] [k]=[k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (225) [system] _696564=[n, k]
   Exit: (225) [system] [n, k]=[n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (224) [system] _682628=[i, n, k]
   Exit: (224) [system] [i, n, k]=[i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (223) [system] _668692=['L', i, n, k]
   Exit: (223) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (222) [system] _654756=[r, 'L', i, n, k]
   Exit: (222) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (221) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _619246)
^  Call: (222) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _748624)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_749576, _749578), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _748624), _749558, fail)), '$restore_trace'(_749576, _749578))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_749576, _749578))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _748624), _749558, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_748624)
   Fail: (223) [system] atomic(_748624)
   Call: (223) [system] atom_chars(_748624, ['O', r, 'L', i, n, k])
   Exit: (223) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (222) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (222) [system] integer('OrLink')
   Fail: (222) [system] integer('OrLink')
   Call: (222) [system] _619246='OrLink'
   Exit: (222) [system] 'OrLink'='OrLink'
^  Exit: (221) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (220) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (219) [user] read_list(')', (0x55772f068e50), _763574)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _765432)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x55772f068e50), _775026)
   Exit: (221) [system] get_char((0x55772f068e50), ' ')
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _777730)
   Exit: (222) [system] peek_char((0x55772f068e50), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _794664)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _800234)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _802092)
   Exit: (222) [system] peek_char((0x55772f068e50), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _818102)
   Exit: (221) [system] get_char((0x55772f068e50), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x55772f068e50), _800234)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _823672)
   Exit: (223) [system] peek_char((0x55772f068e50), 'I')
   Call: (223) [system] 'I'=(;)
   Fail: (223) [system] 'I'=(;)
   Call: (223) [system] 'I'=(/)
   Fail: (223) [system] 'I'=(/)
^  Call: (223) [user] is_like_space('I')
   Call: (224) [system] char_type('I', 'white')
   Fail: (224) [system] char_type('I', 'white')
   Call: (224) [system] char_type('I', end_of_line)
   Fail: (224) [system] char_type('I', end_of_line)
   Call: (224) [system] char_type('I', space)
   Fail: (224) [system] char_type('I', space)
   Call: (224) [system] char_type('I', cntrl)
   Fail: (224) [system] char_type('I', cntrl)
^  Fail: (223) [user] is_like_space('I')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _839682)
   Exit: (222) [system] peek_char((0x55772f068e50), 'I')
   Call: (222) [system] 'I'=')'
   Fail: (222) [system] 'I'=')'
   Call: (222) [system] 'I'=end_of_file
   Fail: (222) [system] 'I'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _845252)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _847110)
   Exit: (224) [system] peek_char((0x55772f068e50), 'I')
   Call: (224) [system] 'I'=(;)
   Fail: (224) [system] 'I'=(;)
   Call: (224) [system] 'I'=(/)
   Fail: (224) [system] 'I'=(/)
^  Call: (224) [user] is_like_space('I')
   Call: (225) [system] char_type('I', 'white')
   Fail: (225) [system] char_type('I', 'white')
   Call: (225) [system] char_type('I', end_of_line)
   Fail: (225) [system] char_type('I', end_of_line)
   Call: (225) [system] char_type('I', space)
   Fail: (225) [system] char_type('I', space)
   Call: (225) [system] char_type('I', cntrl)
   Fail: (225) [system] char_type('I', cntrl)
^  Fail: (224) [user] is_like_space('I')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _863120)
   Exit: (223) [system] get_char((0x55772f068e50), 'I')
   Call: (223) [system] 'I'='('
   Fail: (223) [system] 'I'='('
   Call: (223) [system] 'I'='['
   Fail: (223) [system] 'I'='['
   Call: (223) [system] 'I'='{'
   Fail: (223) [system] 'I'='{'
   Call: (223) [system] 'I'='"'
   Fail: (223) [system] 'I'='"'
   Call: (223) [system] 'I'=!
   Fail: (223) [system] 'I'=!
   Call: (223) [system] 'I'='\''
   Fail: (223) [system] 'I'='\''
   Call: (223) [system] 'I'='`'
   Fail: (223) [system] 'I'='`'
   Call: (223) [system] 'I'=end_of_file
   Fail: (223) [system] 'I'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x55772f068e50), 'I', _845252)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _880762)
   Call: (225) [system] peek_char((0x55772f068e50), _881696)
   Exit: (225) [system] peek_char((0x55772f068e50), m)
^  Call: (225) [user] is_delimiter(m)
   Call: (226) [system] char_type(m, space)
   Fail: (226) [system] char_type(m, space)
   Call: (226) [system] arg(_886416, v('(', ')', end_of_file), m)
   Fail: (226) [system] arg(_887348, v('(', ')', end_of_file), m)
^  Fail: (225) [user] is_delimiter(m)
   Call: (225) [system] ')'==m
   Fail: (225) [system] ')'==m
   Call: (225) [system] get_char((0x55772f068e50), m)
   Exit: (225) [system] get_char((0x55772f068e50), m)
   Call: (225) [system] m=(\)
   Fail: (225) [system] m=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _894698)
   Call: (226) [system] peek_char((0x55772f068e50), _895632)
   Exit: (226) [system] peek_char((0x55772f068e50), p)
^  Call: (226) [user] is_delimiter(p)
   Call: (227) [system] char_type(p, space)
   Fail: (227) [system] char_type(p, space)
   Call: (227) [system] arg(_900352, v('(', ')', end_of_file), p)
   Fail: (227) [system] arg(_901284, v('(', ')', end_of_file), p)
^  Fail: (226) [user] is_delimiter(p)
   Call: (226) [system] ')'==p
   Fail: (226) [system] ')'==p
   Call: (226) [system] get_char((0x55772f068e50), p)
   Exit: (226) [system] get_char((0x55772f068e50), p)
   Call: (226) [system] p=(\)
   Fail: (226) [system] p=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _908634)
   Call: (227) [system] peek_char((0x55772f068e50), _909568)
   Exit: (227) [system] peek_char((0x55772f068e50), l)
^  Call: (227) [user] is_delimiter(l)
   Call: (228) [system] char_type(l, space)
   Fail: (228) [system] char_type(l, space)
   Call: (228) [system] arg(_914288, v('(', ')', end_of_file), l)
   Fail: (228) [system] arg(_915220, v('(', ')', end_of_file), l)
^  Fail: (227) [user] is_delimiter(l)
   Call: (227) [system] ')'==l
   Fail: (227) [system] ')'==l
   Call: (227) [system] get_char((0x55772f068e50), l)
   Exit: (227) [system] get_char((0x55772f068e50), l)
   Call: (227) [system] l=(\)
   Fail: (227) [system] l=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _922570)
   Call: (228) [system] peek_char((0x55772f068e50), _923504)
   Exit: (228) [system] peek_char((0x55772f068e50), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_928224, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_929156, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x55772f068e50), i)
   Exit: (228) [system] get_char((0x55772f068e50), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _936506)
   Call: (229) [system] peek_char((0x55772f068e50), _937440)
   Exit: (229) [system] peek_char((0x55772f068e50), c)
^  Call: (229) [user] is_delimiter(c)
   Call: (230) [system] char_type(c, space)
   Fail: (230) [system] char_type(c, space)
   Call: (230) [system] arg(_942160, v('(', ')', end_of_file), c)
   Fail: (230) [system] arg(_943092, v('(', ')', end_of_file), c)
^  Fail: (229) [user] is_delimiter(c)
   Call: (229) [system] ')'==c
   Fail: (229) [system] ')'==c
   Call: (229) [system] get_char((0x55772f068e50), c)
   Exit: (229) [system] get_char((0x55772f068e50), c)
   Call: (229) [system] c=(\)
   Fail: (229) [system] c=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _950442)
   Call: (230) [system] peek_char((0x55772f068e50), _951376)
   Exit: (230) [system] peek_char((0x55772f068e50), a)
^  Call: (230) [user] is_delimiter(a)
   Call: (231) [system] char_type(a, space)
   Fail: (231) [system] char_type(a, space)
   Call: (231) [system] arg(_956096, v('(', ')', end_of_file), a)
   Fail: (231) [system] arg(_957028, v('(', ')', end_of_file), a)
^  Fail: (230) [user] is_delimiter(a)
   Call: (230) [system] ')'==a
   Fail: (230) [system] ')'==a
   Call: (230) [system] get_char((0x55772f068e50), a)
   Exit: (230) [system] get_char((0x55772f068e50), a)
   Call: (230) [system] a=(\)
   Fail: (230) [system] a=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _964378)
   Call: (231) [system] peek_char((0x55772f068e50), _965312)
   Exit: (231) [system] peek_char((0x55772f068e50), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Fail: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_970032, v('(', ')', end_of_file), t)
   Fail: (232) [system] arg(_970964, v('(', ')', end_of_file), t)
^  Fail: (231) [user] is_delimiter(t)
   Call: (231) [system] ')'==t
   Fail: (231) [system] ')'==t
   Call: (231) [system] get_char((0x55772f068e50), t)
   Exit: (231) [system] get_char((0x55772f068e50), t)
   Call: (231) [system] t=(\)
   Fail: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _978314)
   Call: (232) [system] peek_char((0x55772f068e50), _979248)
   Exit: (232) [system] peek_char((0x55772f068e50), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_983968, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_984900, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x55772f068e50), i)
   Exit: (232) [system] get_char((0x55772f068e50), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _992250)
   Call: (233) [system] peek_char((0x55772f068e50), _993184)
   Exit: (233) [system] peek_char((0x55772f068e50), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Fail: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_997904, v('(', ')', end_of_file), o)
   Fail: (234) [system] arg(_998836, v('(', ')', end_of_file), o)
^  Fail: (233) [user] is_delimiter(o)
   Call: (233) [system] ')'==o
   Fail: (233) [system] ')'==o
   Call: (233) [system] get_char((0x55772f068e50), o)
   Exit: (233) [system] get_char((0x55772f068e50), o)
   Call: (233) [system] o=(\)
   Fail: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1006186)
   Call: (234) [system] peek_char((0x55772f068e50), _1007120)
   Exit: (234) [system] peek_char((0x55772f068e50), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_1011840, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_1012772, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x55772f068e50), n)
   Exit: (234) [system] get_char((0x55772f068e50), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1020122)
   Call: (235) [system] peek_char((0x55772f068e50), _1021056)
   Exit: (235) [system] peek_char((0x55772f068e50), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _1020122=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (234) [system] _1006186=[n]
   Exit: (234) [system] [n]=[n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (233) [system] _992250=[o, n]
   Exit: (233) [system] [o, n]=[o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (232) [system] _978314=[i, o, n]
   Exit: (232) [system] [i, o, n]=[i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (231) [system] _964378=[t, i, o, n]
   Exit: (231) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (230) [system] _950442=[a, t, i, o, n]
   Exit: (230) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (229) [system] _936506=[c, a, t, i, o, n]
   Exit: (229) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (228) [system] _922570=[i, c, a, t, i, o, n]
   Exit: (228) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (227) [system] _908634=[l, i, c, a, t, i, o, n]
   Exit: (227) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (226) [system] _894698=[p, l, i, c, a, t, i, o, n]
   Exit: (226) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (225) [system] _880762=[m, p, l, i, c, a, t, i, o, n]
   Exit: (225) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (224) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _845252)
^  Call: (225) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1058280)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1059232, _1059234), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1058280), _1059214, fail)), '$restore_trace'(_1059232, _1059234))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1059232, _1059234))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1058280), _1059214, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1058280)
   Fail: (226) [system] atomic(_1058280)
   Call: (226) [system] atom_chars(_1058280, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (226) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (225) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (225) [system] integer('Implication')
   Fail: (225) [system] integer('Implication')
   Call: (225) [system] _845252='Implication'
   Exit: (225) [system] 'Implication'='Implication'
^  Exit: (224) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (223) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (222) [user] read_list(')', (0x55772f068e50), _1073230)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1075088)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x55772f068e50), _1084682)
   Exit: (224) [system] get_char((0x55772f068e50), ' ')
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1087386)
   Exit: (225) [system] peek_char((0x55772f068e50), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1104320)
   Exit: (223) [system] peek_char((0x55772f068e50), '(')
   Call: (223) [system] '('=')'
   Fail: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
   Fail: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x55772f068e50), _1109890)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1111748)
   Exit: (225) [system] peek_char((0x55772f068e50), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] get_char((0x55772f068e50), _1127758)
   Exit: (224) [system] get_char((0x55772f068e50), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x55772f068e50), _1109890)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1133328)
   Exit: (226) [system] peek_char((0x55772f068e50), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
   Call: (226) [system] 'A'=(/)
   Fail: (226) [system] 'A'=(/)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1149338)
   Exit: (225) [system] peek_char((0x55772f068e50), 'A')
   Call: (225) [system] 'A'=')'
   Fail: (225) [system] 'A'=')'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x55772f068e50), _1154908)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1156766)
   Exit: (227) [system] peek_char((0x55772f068e50), 'A')
   Call: (227) [system] 'A'=(;)
   Fail: (227) [system] 'A'=(;)
   Call: (227) [system] 'A'=(/)
   Fail: (227) [system] 'A'=(/)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Fail: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Fail: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Fail: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
   Fail: (228) [system] char_type('A', cntrl)
^  Fail: (227) [user] is_like_space('A')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] get_char((0x55772f068e50), _1172776)
   Exit: (226) [system] get_char((0x55772f068e50), 'A')
   Call: (226) [system] 'A'='('
   Fail: (226) [system] 'A'='('
   Call: (226) [system] 'A'='['
   Fail: (226) [system] 'A'='['
   Call: (226) [system] 'A'='{'
   Fail: (226) [system] 'A'='{'
   Call: (226) [system] 'A'='"'
   Fail: (226) [system] 'A'='"'
   Call: (226) [system] 'A'=!
   Fail: (226) [system] 'A'=!
   Call: (226) [system] 'A'='\''
   Fail: (226) [system] 'A'='\''
   Call: (226) [system] 'A'='`'
   Fail: (226) [system] 'A'='`'
   Call: (226) [system] 'A'=end_of_file
   Fail: (226) [system] 'A'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x55772f068e50), 'A', _1154908)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1190418)
   Call: (228) [system] peek_char((0x55772f068e50), _1191352)
   Exit: (228) [system] peek_char((0x55772f068e50), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_1196072, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_1197004, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x55772f068e50), n)
   Exit: (228) [system] get_char((0x55772f068e50), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1204354)
   Call: (229) [system] peek_char((0x55772f068e50), _1205288)
   Exit: (229) [system] peek_char((0x55772f068e50), d)
^  Call: (229) [user] is_delimiter(d)
   Call: (230) [system] char_type(d, space)
   Fail: (230) [system] char_type(d, space)
   Call: (230) [system] arg(_1210008, v('(', ')', end_of_file), d)
   Fail: (230) [system] arg(_1210940, v('(', ')', end_of_file), d)
^  Fail: (229) [user] is_delimiter(d)
   Call: (229) [system] ')'==d
   Fail: (229) [system] ')'==d
   Call: (229) [system] get_char((0x55772f068e50), d)
   Exit: (229) [system] get_char((0x55772f068e50), d)
   Call: (229) [system] d=(\)
   Fail: (229) [system] d=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1218290)
   Call: (230) [system] peek_char((0x55772f068e50), _1219224)
   Exit: (230) [system] peek_char((0x55772f068e50), 'L')
^  Call: (230) [user] is_delimiter('L')
   Call: (231) [system] char_type('L', space)
   Fail: (231) [system] char_type('L', space)
   Call: (231) [system] arg(_1223944, v('(', ')', end_of_file), 'L')
   Fail: (231) [system] arg(_1224876, v('(', ')', end_of_file), 'L')
^  Fail: (230) [user] is_delimiter('L')
   Call: (230) [system] ')'=='L'
   Fail: (230) [system] ')'=='L'
   Call: (230) [system] get_char((0x55772f068e50), 'L')
   Exit: (230) [system] get_char((0x55772f068e50), 'L')
   Call: (230) [system] 'L'=(\)
   Fail: (230) [system] 'L'=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1232226)
   Call: (231) [system] peek_char((0x55772f068e50), _1233160)
   Exit: (231) [system] peek_char((0x55772f068e50), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1237880, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_1238812, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x55772f068e50), i)
   Exit: (231) [system] get_char((0x55772f068e50), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1246162)
   Call: (232) [system] peek_char((0x55772f068e50), _1247096)
   Exit: (232) [system] peek_char((0x55772f068e50), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_1251816, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_1252748, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x55772f068e50), n)
   Exit: (232) [system] get_char((0x55772f068e50), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1260098)
   Call: (233) [system] peek_char((0x55772f068e50), _1261032)
   Exit: (233) [system] peek_char((0x55772f068e50), k)
^  Call: (233) [user] is_delimiter(k)
   Call: (234) [system] char_type(k, space)
   Fail: (234) [system] char_type(k, space)
   Call: (234) [system] arg(_1265752, v('(', ')', end_of_file), k)
   Fail: (234) [system] arg(_1266684, v('(', ')', end_of_file), k)
^  Fail: (233) [user] is_delimiter(k)
   Call: (233) [system] ')'==k
   Fail: (233) [system] ')'==k
   Call: (233) [system] get_char((0x55772f068e50), k)
   Exit: (233) [system] get_char((0x55772f068e50), k)
   Call: (233) [system] k=(\)
   Fail: (233) [system] k=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1274034)
   Call: (234) [system] peek_char((0x55772f068e50), _1274968)
   Exit: (234) [system] peek_char((0x55772f068e50), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _1274034=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (233) [system] _1260098=[k]
   Exit: (233) [system] [k]=[k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (232) [system] _1246162=[n, k]
   Exit: (232) [system] [n, k]=[n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (231) [system] _1232226=[i, n, k]
   Exit: (231) [system] [i, n, k]=[i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (230) [system] _1218290=['L', i, n, k]
   Exit: (230) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (229) [system] _1204354=[d, 'L', i, n, k]
   Exit: (229) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (228) [system] _1190418=[n, d, 'L', i, n, k]
   Exit: (228) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (227) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1154908)
^  Call: (228) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1301016)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1301968, _1301970), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1301016), _1301950, fail)), '$restore_trace'(_1301968, _1301970))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1301968, _1301970))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1301016), _1301950, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1301016)
   Fail: (229) [system] atomic(_1301016)
   Call: (229) [system] atom_chars(_1301016, ['A', n, d, 'L', i, n, k])
   Exit: (229) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (228) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (228) [system] integer('AndLink')
   Fail: (228) [system] integer('AndLink')
   Call: (228) [system] _1154908='AndLink'
   Exit: (228) [system] 'AndLink'='AndLink'
^  Exit: (227) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (226) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (225) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (225) [user] read_list(')', (0x55772f068e50), _1315966)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1317824)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x55772f068e50), _1327418)
   Exit: (227) [system] get_char((0x55772f068e50), ' ')
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1330122)
   Exit: (228) [system] peek_char((0x55772f068e50), 'A')
   Call: (228) [system] 'A'=(;)
   Fail: (228) [system] 'A'=(;)
   Call: (228) [system] 'A'=(/)
   Fail: (228) [system] 'A'=(/)
^  Call: (228) [user] is_like_space('A')
   Call: (229) [system] char_type('A', 'white')
   Fail: (229) [system] char_type('A', 'white')
   Call: (229) [system] char_type('A', end_of_line)
   Fail: (229) [system] char_type('A', end_of_line)
   Call: (229) [system] char_type('A', space)
   Fail: (229) [system] char_type('A', space)
   Call: (229) [system] char_type('A', cntrl)
   Fail: (229) [system] char_type('A', cntrl)
^  Fail: (228) [user] is_like_space('A')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1347056)
   Exit: (226) [system] peek_char((0x55772f068e50), 'A')
   Call: (226) [system] 'A'=')'
   Fail: (226) [system] 'A'=')'
   Call: (226) [system] 'A'=end_of_file
   Fail: (226) [system] 'A'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x55772f068e50), _1352626)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1354484)
   Exit: (228) [system] peek_char((0x55772f068e50), 'A')
   Call: (228) [system] 'A'=(;)
   Fail: (228) [system] 'A'=(;)
   Call: (228) [system] 'A'=(/)
   Fail: (228) [system] 'A'=(/)
^  Call: (228) [user] is_like_space('A')
   Call: (229) [system] char_type('A', 'white')
   Fail: (229) [system] char_type('A', 'white')
   Call: (229) [system] char_type('A', end_of_line)
   Fail: (229) [system] char_type('A', end_of_line)
   Call: (229) [system] char_type('A', space)
   Fail: (229) [system] char_type('A', space)
   Call: (229) [system] char_type('A', cntrl)
   Fail: (229) [system] char_type('A', cntrl)
^  Fail: (228) [user] is_like_space('A')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] get_char((0x55772f068e50), _1370494)
   Exit: (227) [system] get_char((0x55772f068e50), 'A')
   Call: (227) [system] 'A'='('
   Fail: (227) [system] 'A'='('
   Call: (227) [system] 'A'='['
   Fail: (227) [system] 'A'='['
   Call: (227) [system] 'A'='{'
   Fail: (227) [system] 'A'='{'
   Call: (227) [system] 'A'='"'
   Fail: (227) [system] 'A'='"'
   Call: (227) [system] 'A'=!
   Fail: (227) [system] 'A'=!
   Call: (227) [system] 'A'='\''
   Fail: (227) [system] 'A'='\''
   Call: (227) [system] 'A'='`'
   Fail: (227) [system] 'A'='`'
   Call: (227) [system] 'A'=end_of_file
   Fail: (227) [system] 'A'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x55772f068e50), 'A', _1352626)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1388136)
   Call: (229) [system] peek_char((0x55772f068e50), _1389070)
   Exit: (229) [system] peek_char((0x55772f068e50), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _1388136=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (228) [user] classify_and_convert_charseq(['A'], _1352626)
^  Call: (229) [user] classify_and_convert_charseq_(['A'], _1398354)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1399306, _1399308), once(user:catch(read_from_chars(['A'], _1398354), _1399288, fail)), '$restore_trace'(_1399306, _1399308))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1399306, _1399308))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1398354), _1399288, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1398354)
   Fail: (230) [system] atomic(_1398354)
   Call: (230) [system] atom_chars(_1398354, ['A'])
   Exit: (230) [system] atom_chars('A', ['A'])
^  Exit: (229) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (229) [system] integer('A')
   Fail: (229) [system] integer('A')
   Call: (229) [system] _1352626='A'
   Exit: (229) [system] 'A'='A'
^  Exit: (228) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (227) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (226) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (226) [user] read_list(')', (0x55772f068e50), _1413304)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1415162)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x55772f068e50), _1424756)
   Exit: (228) [system] get_char((0x55772f068e50), ' ')
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1427460)
   Exit: (229) [system] peek_char((0x55772f068e50), 'B')
   Call: (229) [system] 'B'=(;)
   Fail: (229) [system] 'B'=(;)
   Call: (229) [system] 'B'=(/)
   Fail: (229) [system] 'B'=(/)
^  Call: (229) [user] is_like_space('B')
   Call: (230) [system] char_type('B', 'white')
   Fail: (230) [system] char_type('B', 'white')
   Call: (230) [system] char_type('B', end_of_line)
   Fail: (230) [system] char_type('B', end_of_line)
   Call: (230) [system] char_type('B', space)
   Fail: (230) [system] char_type('B', space)
   Call: (230) [system] char_type('B', cntrl)
   Fail: (230) [system] char_type('B', cntrl)
^  Fail: (229) [user] is_like_space('B')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1444394)
   Exit: (227) [system] peek_char((0x55772f068e50), 'B')
   Call: (227) [system] 'B'=')'
   Fail: (227) [system] 'B'=')'
   Call: (227) [system] 'B'=end_of_file
   Fail: (227) [system] 'B'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x55772f068e50), _1449964)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1451822)
   Exit: (229) [system] peek_char((0x55772f068e50), 'B')
   Call: (229) [system] 'B'=(;)
   Fail: (229) [system] 'B'=(;)
   Call: (229) [system] 'B'=(/)
   Fail: (229) [system] 'B'=(/)
^  Call: (229) [user] is_like_space('B')
   Call: (230) [system] char_type('B', 'white')
   Fail: (230) [system] char_type('B', 'white')
   Call: (230) [system] char_type('B', end_of_line)
   Fail: (230) [system] char_type('B', end_of_line)
   Call: (230) [system] char_type('B', space)
   Fail: (230) [system] char_type('B', space)
   Call: (230) [system] char_type('B', cntrl)
   Fail: (230) [system] char_type('B', cntrl)
^  Fail: (229) [user] is_like_space('B')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] get_char((0x55772f068e50), _1467832)
   Exit: (228) [system] get_char((0x55772f068e50), 'B')
   Call: (228) [system] 'B'='('
   Fail: (228) [system] 'B'='('
   Call: (228) [system] 'B'='['
   Fail: (228) [system] 'B'='['
   Call: (228) [system] 'B'='{'
   Fail: (228) [system] 'B'='{'
   Call: (228) [system] 'B'='"'
   Fail: (228) [system] 'B'='"'
   Call: (228) [system] 'B'=!
   Fail: (228) [system] 'B'=!
   Call: (228) [system] 'B'='\''
   Fail: (228) [system] 'B'='\''
   Call: (228) [system] 'B'='`'
   Fail: (228) [system] 'B'='`'
   Call: (228) [system] 'B'=end_of_file
   Fail: (228) [system] 'B'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x55772f068e50), 'B', _1449964)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1485474)
   Call: (230) [system] peek_char((0x55772f068e50), _1486408)
   Exit: (230) [system] peek_char((0x55772f068e50), ')')
^  Call: (230) [user] is_delimiter(')')
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] arg(_1491128, v('(', ')', end_of_file), ')')
   Exit: (231) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (230) [user] is_delimiter(')')
   Call: (230) [system] _1485474=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (229) [user] classify_and_convert_charseq(['B'], _1449964)
^  Call: (230) [user] classify_and_convert_charseq_(['B'], _1497564)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1498516, _1498518), once(user:catch(read_from_chars(['B'], _1497564), _1498498, fail)), '$restore_trace'(_1498516, _1498518))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1498516, _1498518))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1497564), _1498498, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1497564)
   Fail: (231) [system] atomic(_1497564)
   Call: (231) [system] atom_chars(_1497564, ['B'])
   Exit: (231) [system] atom_chars('B', ['B'])
^  Exit: (230) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (230) [system] integer('B')
   Fail: (230) [system] integer('B')
   Call: (230) [system] _1449964='B'
   Exit: (230) [system] 'B'='B'
^  Exit: (229) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (228) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (227) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (227) [user] read_list(')', (0x55772f068e50), _1512514)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1514372)
   Exit: (229) [system] peek_char((0x55772f068e50), ')')
   Call: (229) [system] ')'=(;)
   Fail: (229) [system] ')'=(;)
   Call: (229) [system] ')'=(/)
   Fail: (229) [system] ')'=(/)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Fail: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Fail: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
   Fail: (230) [system] char_type(')', cntrl)
^  Fail: (229) [user] is_like_space(')')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1530382)
   Exit: (228) [system] peek_char((0x55772f068e50), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x55772f068e50), _1534172)
   Exit: (228) [system] get_char((0x55772f068e50), ')')
   Call: (228) [system] _1512514=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x55772f068e50), [])
   Call: (227) [system] _1413304=['B']
   Exit: (227) [system] ['B']=['B']
^  Exit: (226) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (226) [system] _1315966=['A', 'B']
   Exit: (226) [system] ['A', 'B']=['A', 'B']
^  Exit: (225) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (225) [system] _1109890=['AndLink', 'A', 'B']
   Exit: (225) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (224) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (223) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (223) [user] read_list(')', (0x55772f068e50), _1548054)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1549912)
   Exit: (225) [system] peek_char((0x55772f068e50), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x55772f068e50), _1559506)
   Exit: (225) [system] get_char((0x55772f068e50), ' ')
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1562210)
   Exit: (226) [system] peek_char((0x55772f068e50), 'C')
   Call: (226) [system] 'C'=(;)
   Fail: (226) [system] 'C'=(;)
   Call: (226) [system] 'C'=(/)
   Fail: (226) [system] 'C'=(/)
^  Call: (226) [user] is_like_space('C')
   Call: (227) [system] char_type('C', 'white')
   Fail: (227) [system] char_type('C', 'white')
   Call: (227) [system] char_type('C', end_of_line)
   Fail: (227) [system] char_type('C', end_of_line)
   Call: (227) [system] char_type('C', space)
   Fail: (227) [system] char_type('C', space)
   Call: (227) [system] char_type('C', cntrl)
   Fail: (227) [system] char_type('C', cntrl)
^  Fail: (226) [user] is_like_space('C')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1579144)
   Exit: (224) [system] peek_char((0x55772f068e50), 'C')
   Call: (224) [system] 'C'=')'
   Fail: (224) [system] 'C'=')'
   Call: (224) [system] 'C'=end_of_file
   Fail: (224) [system] 'C'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x55772f068e50), _1584714)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1586572)
   Exit: (226) [system] peek_char((0x55772f068e50), 'C')
   Call: (226) [system] 'C'=(;)
   Fail: (226) [system] 'C'=(;)
   Call: (226) [system] 'C'=(/)
   Fail: (226) [system] 'C'=(/)
^  Call: (226) [user] is_like_space('C')
   Call: (227) [system] char_type('C', 'white')
   Fail: (227) [system] char_type('C', 'white')
   Call: (227) [system] char_type('C', end_of_line)
   Fail: (227) [system] char_type('C', end_of_line)
   Call: (227) [system] char_type('C', space)
   Fail: (227) [system] char_type('C', space)
   Call: (227) [system] char_type('C', cntrl)
   Fail: (227) [system] char_type('C', cntrl)
^  Fail: (226) [user] is_like_space('C')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] get_char((0x55772f068e50), _1602582)
   Exit: (225) [system] get_char((0x55772f068e50), 'C')
   Call: (225) [system] 'C'='('
   Fail: (225) [system] 'C'='('
   Call: (225) [system] 'C'='['
   Fail: (225) [system] 'C'='['
   Call: (225) [system] 'C'='{'
   Fail: (225) [system] 'C'='{'
   Call: (225) [system] 'C'='"'
   Fail: (225) [system] 'C'='"'
   Call: (225) [system] 'C'=!
   Fail: (225) [system] 'C'=!
   Call: (225) [system] 'C'='\''
   Fail: (225) [system] 'C'='\''
   Call: (225) [system] 'C'='`'
   Fail: (225) [system] 'C'='`'
   Call: (225) [system] 'C'=end_of_file
   Fail: (225) [system] 'C'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x55772f068e50), 'C', _1584714)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1620224)
   Call: (227) [system] peek_char((0x55772f068e50), _1621158)
   Exit: (227) [system] peek_char((0x55772f068e50), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_1625878, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _1620224=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (226) [user] classify_and_convert_charseq(['C'], _1584714)
^  Call: (227) [user] classify_and_convert_charseq_(['C'], _1632314)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1633266, _1633268), once(user:catch(read_from_chars(['C'], _1632314), _1633248, fail)), '$restore_trace'(_1633266, _1633268))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1633266, _1633268))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1632314), _1633248, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1632314)
   Fail: (228) [system] atomic(_1632314)
   Call: (228) [system] atom_chars(_1632314, ['C'])
   Exit: (228) [system] atom_chars('C', ['C'])
^  Exit: (227) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (227) [system] integer('C')
   Fail: (227) [system] integer('C')
   Call: (227) [system] _1584714='C'
   Exit: (227) [system] 'C'='C'
^  Exit: (226) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (225) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (224) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (224) [user] read_list(')', (0x55772f068e50), _1647264)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1649122)
   Exit: (226) [system] peek_char((0x55772f068e50), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
   Call: (226) [system] ')'=(/)
   Fail: (226) [system] ')'=(/)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1665132)
   Exit: (225) [system] peek_char((0x55772f068e50), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x55772f068e50), _1668922)
   Exit: (225) [system] get_char((0x55772f068e50), ')')
   Call: (225) [system] _1647264=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x55772f068e50), [])
   Call: (224) [system] _1548054=['C']
   Exit: (224) [system] ['C']=['C']
^  Exit: (223) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (223) [system] _1073230=[['AndLink', 'A', 'B'], 'C']
   Exit: (223) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (222) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (222) [system] _800234=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (222) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (221) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (220) [user] read_list(')', (0x55772f068e50), _1682804)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1684662)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x55772f068e50), _1694256)
   Exit: (222) [system] get_char((0x55772f068e50), ' ')
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1696960)
   Exit: (223) [system] peek_char((0x55772f068e50), 'B')
   Call: (223) [system] 'B'=(;)
   Fail: (223) [system] 'B'=(;)
   Call: (223) [system] 'B'=(/)
   Fail: (223) [system] 'B'=(/)
^  Call: (223) [user] is_like_space('B')
   Call: (224) [system] char_type('B', 'white')
   Fail: (224) [system] char_type('B', 'white')
   Call: (224) [system] char_type('B', end_of_line)
   Fail: (224) [system] char_type('B', end_of_line)
   Call: (224) [system] char_type('B', space)
   Fail: (224) [system] char_type('B', space)
   Call: (224) [system] char_type('B', cntrl)
   Fail: (224) [system] char_type('B', cntrl)
^  Fail: (223) [user] is_like_space('B')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1713894)
   Exit: (221) [system] peek_char((0x55772f068e50), 'B')
   Call: (221) [system] 'B'=')'
   Fail: (221) [system] 'B'=')'
   Call: (221) [system] 'B'=end_of_file
   Fail: (221) [system] 'B'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _1719464)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1721322)
   Exit: (223) [system] peek_char((0x55772f068e50), 'B')
   Call: (223) [system] 'B'=(;)
   Fail: (223) [system] 'B'=(;)
   Call: (223) [system] 'B'=(/)
   Fail: (223) [system] 'B'=(/)
^  Call: (223) [user] is_like_space('B')
   Call: (224) [system] char_type('B', 'white')
   Fail: (224) [system] char_type('B', 'white')
   Call: (224) [system] char_type('B', end_of_line)
   Fail: (224) [system] char_type('B', end_of_line)
   Call: (224) [system] char_type('B', space)
   Fail: (224) [system] char_type('B', space)
   Call: (224) [system] char_type('B', cntrl)
   Fail: (224) [system] char_type('B', cntrl)
^  Fail: (223) [user] is_like_space('B')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _1737332)
   Exit: (222) [system] get_char((0x55772f068e50), 'B')
   Call: (222) [system] 'B'='('
   Fail: (222) [system] 'B'='('
   Call: (222) [system] 'B'='['
   Fail: (222) [system] 'B'='['
   Call: (222) [system] 'B'='{'
   Fail: (222) [system] 'B'='{'
   Call: (222) [system] 'B'='"'
   Fail: (222) [system] 'B'='"'
   Call: (222) [system] 'B'=!
   Fail: (222) [system] 'B'=!
   Call: (222) [system] 'B'='\''
   Fail: (222) [system] 'B'='\''
   Call: (222) [system] 'B'='`'
   Fail: (222) [system] 'B'='`'
   Call: (222) [system] 'B'=end_of_file
   Fail: (222) [system] 'B'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x55772f068e50), 'B', _1719464)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1754974)
   Call: (224) [system] peek_char((0x55772f068e50), _1755908)
   Exit: (224) [system] peek_char((0x55772f068e50), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_1760628, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _1754974=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (223) [user] classify_and_convert_charseq(['B'], _1719464)
^  Call: (224) [user] classify_and_convert_charseq_(['B'], _1767064)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1768016, _1768018), once(user:catch(read_from_chars(['B'], _1767064), _1767998, fail)), '$restore_trace'(_1768016, _1768018))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1768016, _1768018))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1767064), _1767998, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1767064)
   Fail: (225) [system] atomic(_1767064)
   Call: (225) [system] atom_chars(_1767064, ['B'])
   Exit: (225) [system] atom_chars('B', ['B'])
^  Exit: (224) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (224) [system] integer('B')
   Fail: (224) [system] integer('B')
   Call: (224) [system] _1719464='B'
   Exit: (224) [system] 'B'='B'
^  Exit: (223) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (222) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (221) [user] read_list(')', (0x55772f068e50), _1782014)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1783872)
   Exit: (223) [system] peek_char((0x55772f068e50), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
   Call: (223) [system] ')'=(/)
   Fail: (223) [system] ')'=(/)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1799882)
   Exit: (222) [system] peek_char((0x55772f068e50), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x55772f068e50), _1803672)
   Exit: (222) [system] get_char((0x55772f068e50), ')')
   Call: (222) [system] _1782014=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x55772f068e50), [])
   Call: (221) [system] _1682804=['B']
   Exit: (221) [system] ['B']=['B']
^  Exit: (220) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (220) [system] _763574=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (220) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (219) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
   Call: (219) [system] _574228=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (219) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (218) [user] read_list(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Call: (217) [user] read_list(')', (0x55772f068e50), _1817554)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1819412)
   Exit: (219) [system] peek_char((0x55772f068e50), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
   Call: (219) [system] ')'=(/)
   Fail: (219) [system] ')'=(/)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1835422)
   Exit: (218) [system] peek_char((0x55772f068e50), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x55772f068e50), _1839212)
   Exit: (218) [system] get_char((0x55772f068e50), ')')
   Call: (218) [system] _1817554=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x55772f068e50), [])
   Call: (217) [system] _537568=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (217) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (216) [user] read_list(')', (0x55772f068e50), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (216) [system] _5526=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (216) [system] [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (215) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (215) [system] _5518=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (215) [system] [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (214) [user] read_list(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Call: (213) [user] read_list(')', (0x55772f068e50), _1853094)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1854952)
   Exit: (215) [system] peek_char((0x55772f068e50), '\n')
   Call: (215) [system] '\n'=(;)
   Fail: (215) [system] '\n'=(;)
   Call: (215) [system] '\n'=(/)
   Fail: (215) [system] '\n'=(/)
^  Call: (215) [user] is_like_space('\n')
   Call: (216) [system] char_type('\n', 'white')
   Fail: (216) [system] char_type('\n', 'white')
   Call: (216) [system] char_type('\n', end_of_line)
   Exit: (216) [system] char_type('\n', end_of_line)
^  Exit: (215) [user] is_like_space('\n')
   Call: (215) [system] get_char((0x55772f068e50), _1866402)
   Exit: (215) [system] get_char((0x55772f068e50), '\n')
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1869106)
   Exit: (216) [system] peek_char((0x55772f068e50), '\t')
   Call: (216) [system] '\t'=(;)
   Fail: (216) [system] '\t'=(;)
   Call: (216) [system] '\t'=(/)
   Fail: (216) [system] '\t'=(/)
^  Call: (216) [user] is_like_space('\t')
   Call: (217) [system] char_type('\t', 'white')
   Exit: (217) [system] char_type('\t', 'white')
^  Exit: (216) [user] is_like_space('\t')
   Call: (216) [system] get_char((0x55772f068e50), _1878700)
   Exit: (216) [system] get_char((0x55772f068e50), '\t')
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1881404)
   Exit: (217) [system] peek_char((0x55772f068e50), '\t')
   Call: (217) [system] '\t'=(;)
   Fail: (217) [system] '\t'=(;)
   Call: (217) [system] '\t'=(/)
   Fail: (217) [system] '\t'=(/)
^  Call: (217) [user] is_like_space('\t')
   Call: (218) [system] char_type('\t', 'white')
   Exit: (218) [system] char_type('\t', 'white')
^  Exit: (217) [user] is_like_space('\t')
   Call: (217) [system] get_char((0x55772f068e50), _1890998)
   Exit: (217) [system] get_char((0x55772f068e50), '\t')
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1893702)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x55772f068e50), _1903296)
   Exit: (218) [system] get_char((0x55772f068e50), ' ')
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1906000)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1925706)
   Exit: (214) [system] peek_char((0x55772f068e50), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _1931276)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1933134)
   Exit: (216) [system] peek_char((0x55772f068e50), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _1949144)
   Exit: (215) [system] get_char((0x55772f068e50), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x55772f068e50), _1931276)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1954714)
   Exit: (217) [system] peek_char((0x55772f068e50), :)
   Call: (217) [system] (:)=(;)
   Fail: (217) [system] (:)=(;)
   Call: (217) [system] (:)=(/)
   Fail: (217) [system] (:)=(/)
^  Call: (217) [user] is_like_space(:)
   Call: (218) [system] char_type(:, 'white')
   Fail: (218) [system] char_type(:, 'white')
   Call: (218) [system] char_type(:, end_of_line)
   Fail: (218) [system] char_type(:, end_of_line)
   Call: (218) [system] char_type(:, space)
   Fail: (218) [system] char_type(:, space)
   Call: (218) [system] char_type(:, cntrl)
   Fail: (218) [system] char_type(:, cntrl)
^  Fail: (217) [user] is_like_space(:)
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1970724)
   Exit: (216) [system] peek_char((0x55772f068e50), :)
   Call: (216) [system] (:)=')'
   Fail: (216) [system] (:)=')'
   Call: (216) [system] (:)=end_of_file
   Fail: (216) [system] (:)=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x55772f068e50), _1976294)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1978152)
   Exit: (218) [system] peek_char((0x55772f068e50), :)
   Call: (218) [system] (:)=(;)
   Fail: (218) [system] (:)=(;)
   Call: (218) [system] (:)=(/)
   Fail: (218) [system] (:)=(/)
^  Call: (218) [user] is_like_space(:)
   Call: (219) [system] char_type(:, 'white')
   Fail: (219) [system] char_type(:, 'white')
   Call: (219) [system] char_type(:, end_of_line)
   Fail: (219) [system] char_type(:, end_of_line)
   Call: (219) [system] char_type(:, space)
   Fail: (219) [system] char_type(:, space)
   Call: (219) [system] char_type(:, cntrl)
   Fail: (219) [system] char_type(:, cntrl)
^  Fail: (218) [user] is_like_space(:)
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] get_char((0x55772f068e50), _1994162)
   Exit: (217) [system] get_char((0x55772f068e50), :)
   Call: (217) [system] (:)='('
   Fail: (217) [system] (:)='('
   Call: (217) [system] (:)='['
   Fail: (217) [system] (:)='['
   Call: (217) [system] (:)='{'
   Fail: (217) [system] (:)='{'
   Call: (217) [system] (:)='"'
   Fail: (217) [system] (:)='"'
   Call: (217) [system] (:)=!
   Fail: (217) [system] (:)=!
   Call: (217) [system] (:)='\''
   Fail: (217) [system] (:)='\''
   Call: (217) [system] (:)='`'
   Fail: (217) [system] (:)='`'
   Call: (217) [system] (:)=end_of_file
   Fail: (217) [system] (:)=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x55772f068e50), :, _1976294)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _2011804)
   Call: (219) [system] peek_char((0x55772f068e50), _2012738)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _2011804=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (218) [user] classify_and_convert_charseq([:], _1976294)
^  Call: (219) [user] classify_and_convert_charseq_([:], _2022022)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_2022974, _2022976), once(user:catch(read_from_chars([:], _2022022), _2022956, fail)), '$restore_trace'(_2022974, _2022976))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_2022974, _2022976))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _2022956, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(:)
   Exit: (220) [system] atomic(:)
^  Exit: (219) [user] classify_and_convert_charseq_([:], :)
   Call: (219) [system] integer(:)
   Fail: (219) [system] integer(:)
   Call: (219) [system] _1976294=(:)
   Exit: (219) [system] (:)=(:)
^  Exit: (218) [user] classify_and_convert_charseq([:], :)
^  Exit: (217) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (216) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (216) [user] read_list(')', (0x55772f068e50), _2035102)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _2036960)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x55772f068e50), _2046554)
   Exit: (218) [system] get_char((0x55772f068e50), ' ')
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _2049258)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _2066192)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _2071762)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _2073620)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _2089630)
   Exit: (218) [system] get_char((0x55772f068e50), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x55772f068e50), _2071762)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _2095200)
   Exit: (220) [system] peek_char((0x55772f068e50), 'D')
   Call: (220) [system] 'D'=(;)
   Fail: (220) [system] 'D'=(;)
   Call: (220) [system] 'D'=(/)
   Fail: (220) [system] 'D'=(/)
^  Call: (220) [user] is_like_space('D')
   Call: (221) [system] char_type('D', 'white')
   Fail: (221) [system] char_type('D', 'white')
   Call: (221) [system] char_type('D', end_of_line)
   Fail: (221) [system] char_type('D', end_of_line)
   Call: (221) [system] char_type('D', space)
   Fail: (221) [system] char_type('D', space)
   Call: (221) [system] char_type('D', cntrl)
   Fail: (221) [system] char_type('D', cntrl)
^  Fail: (220) [user] is_like_space('D')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _20136)
   Exit: (219) [system] peek_char((0x55772f068e50), 'D')
   Call: (219) [system] 'D'=')'
   Fail: (219) [system] 'D'=')'
   Call: (219) [system] 'D'=end_of_file
   Fail: (219) [system] 'D'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _25706)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _27564)
   Exit: (221) [system] peek_char((0x55772f068e50), 'D')
   Call: (221) [system] 'D'=(;)
   Fail: (221) [system] 'D'=(;)
   Call: (221) [system] 'D'=(/)
   Fail: (221) [system] 'D'=(/)
^  Call: (221) [user] is_like_space('D')
   Call: (222) [system] char_type('D', 'white')
   Fail: (222) [system] char_type('D', 'white')
   Call: (222) [system] char_type('D', end_of_line)
   Fail: (222) [system] char_type('D', end_of_line)
   Call: (222) [system] char_type('D', space)
   Fail: (222) [system] char_type('D', space)
   Call: (222) [system] char_type('D', cntrl)
   Fail: (222) [system] char_type('D', cntrl)
^  Fail: (221) [user] is_like_space('D')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _43574)
   Exit: (220) [system] get_char((0x55772f068e50), 'D')
   Call: (220) [system] 'D'='('
   Fail: (220) [system] 'D'='('
   Call: (220) [system] 'D'='['
   Fail: (220) [system] 'D'='['
   Call: (220) [system] 'D'='{'
   Fail: (220) [system] 'D'='{'
   Call: (220) [system] 'D'='"'
   Fail: (220) [system] 'D'='"'
   Call: (220) [system] 'D'=!
   Fail: (220) [system] 'D'=!
   Call: (220) [system] 'D'='\''
   Fail: (220) [system] 'D'='\''
   Call: (220) [system] 'D'='`'
   Fail: (220) [system] 'D'='`'
   Call: (220) [system] 'D'=end_of_file
   Fail: (220) [system] 'D'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x55772f068e50), 'D', _25706)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _61216)
   Call: (222) [system] peek_char((0x55772f068e50), _62150)
   Exit: (222) [system] peek_char((0x55772f068e50), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_66870, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_67802, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x55772f068e50), i)
   Exit: (222) [system] get_char((0x55772f068e50), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _75152)
   Call: (223) [system] peek_char((0x55772f068e50), _76086)
   Exit: (223) [system] peek_char((0x55772f068e50), s)
^  Call: (223) [user] is_delimiter(s)
   Call: (224) [system] char_type(s, space)
   Fail: (224) [system] char_type(s, space)
   Call: (224) [system] arg(_80806, v('(', ')', end_of_file), s)
   Fail: (224) [system] arg(_81738, v('(', ')', end_of_file), s)
^  Fail: (223) [user] is_delimiter(s)
   Call: (223) [system] ')'==s
   Fail: (223) [system] ')'==s
   Call: (223) [system] get_char((0x55772f068e50), s)
   Exit: (223) [system] get_char((0x55772f068e50), s)
   Call: (223) [system] s=(\)
   Fail: (223) [system] s=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _89088)
   Call: (224) [system] peek_char((0x55772f068e50), _90022)
   Exit: (224) [system] peek_char((0x55772f068e50), j)
^  Call: (224) [user] is_delimiter(j)
   Call: (225) [system] char_type(j, space)
   Fail: (225) [system] char_type(j, space)
   Call: (225) [system] arg(_94742, v('(', ')', end_of_file), j)
   Fail: (225) [system] arg(_95674, v('(', ')', end_of_file), j)
^  Fail: (224) [user] is_delimiter(j)
   Call: (224) [system] ')'==j
   Fail: (224) [system] ')'==j
   Call: (224) [system] get_char((0x55772f068e50), j)
   Exit: (224) [system] get_char((0x55772f068e50), j)
   Call: (224) [system] j=(\)
   Fail: (224) [system] j=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _103024)
   Call: (225) [system] peek_char((0x55772f068e50), _103958)
   Exit: (225) [system] peek_char((0x55772f068e50), u)
^  Call: (225) [user] is_delimiter(u)
   Call: (226) [system] char_type(u, space)
   Fail: (226) [system] char_type(u, space)
   Call: (226) [system] arg(_108678, v('(', ')', end_of_file), u)
   Fail: (226) [system] arg(_109610, v('(', ')', end_of_file), u)
^  Fail: (225) [user] is_delimiter(u)
   Call: (225) [system] ')'==u
   Fail: (225) [system] ')'==u
   Call: (225) [system] get_char((0x55772f068e50), u)
   Exit: (225) [system] get_char((0x55772f068e50), u)
   Call: (225) [system] u=(\)
   Fail: (225) [system] u=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _116960)
   Call: (226) [system] peek_char((0x55772f068e50), _117894)
   Exit: (226) [system] peek_char((0x55772f068e50), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_122614, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_123546, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x55772f068e50), n)
   Exit: (226) [system] get_char((0x55772f068e50), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _130896)
   Call: (227) [system] peek_char((0x55772f068e50), _131830)
   Exit: (227) [system] peek_char((0x55772f068e50), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_136550, v('(', ')', end_of_file), c)
   Fail: (228) [system] arg(_137482, v('(', ')', end_of_file), c)
^  Fail: (227) [user] is_delimiter(c)
   Call: (227) [system] ')'==c
   Fail: (227) [system] ')'==c
   Call: (227) [system] get_char((0x55772f068e50), c)
   Exit: (227) [system] get_char((0x55772f068e50), c)
   Call: (227) [system] c=(\)
   Fail: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _144832)
   Call: (228) [system] peek_char((0x55772f068e50), _145766)
   Exit: (228) [system] peek_char((0x55772f068e50), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_150486, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_151418, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x55772f068e50), t)
   Exit: (228) [system] get_char((0x55772f068e50), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _158768)
   Call: (229) [system] peek_char((0x55772f068e50), _159702)
   Exit: (229) [system] peek_char((0x55772f068e50), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_164422, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_165354, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x55772f068e50), i)
   Exit: (229) [system] get_char((0x55772f068e50), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _172704)
   Call: (230) [system] peek_char((0x55772f068e50), _173638)
   Exit: (230) [system] peek_char((0x55772f068e50), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_178358, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_179290, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x55772f068e50), o)
   Exit: (230) [system] get_char((0x55772f068e50), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _186640)
   Call: (231) [system] peek_char((0x55772f068e50), _187574)
   Exit: (231) [system] peek_char((0x55772f068e50), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_192294, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_193226, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x55772f068e50), n)
   Exit: (231) [system] get_char((0x55772f068e50), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _200576)
   Call: (232) [system] peek_char((0x55772f068e50), _201510)
   Exit: (232) [system] peek_char((0x55772f068e50), 'I')
^  Call: (232) [user] is_delimiter('I')
   Call: (233) [system] char_type('I', space)
   Fail: (233) [system] char_type('I', space)
   Call: (233) [system] arg(_206230, v('(', ')', end_of_file), 'I')
   Fail: (233) [system] arg(_207162, v('(', ')', end_of_file), 'I')
^  Fail: (232) [user] is_delimiter('I')
   Call: (232) [system] ')'=='I'
   Fail: (232) [system] ')'=='I'
   Call: (232) [system] get_char((0x55772f068e50), 'I')
   Exit: (232) [system] get_char((0x55772f068e50), 'I')
   Call: (232) [system] 'I'=(\)
   Fail: (232) [system] 'I'=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _214512)
   Call: (233) [system] peek_char((0x55772f068e50), _215446)
   Exit: (233) [system] peek_char((0x55772f068e50), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_220166, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_221098, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x55772f068e50), n)
   Exit: (233) [system] get_char((0x55772f068e50), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _228448)
   Call: (234) [system] peek_char((0x55772f068e50), _229382)
   Exit: (234) [system] peek_char((0x55772f068e50), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Fail: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_234102, v('(', ')', end_of_file), t)
   Fail: (235) [system] arg(_235034, v('(', ')', end_of_file), t)
^  Fail: (234) [user] is_delimiter(t)
   Call: (234) [system] ')'==t
   Fail: (234) [system] ')'==t
   Call: (234) [system] get_char((0x55772f068e50), t)
   Exit: (234) [system] get_char((0x55772f068e50), t)
   Call: (234) [system] t=(\)
   Fail: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _242384)
   Call: (235) [system] peek_char((0x55772f068e50), _243318)
   Exit: (235) [system] peek_char((0x55772f068e50), r)
^  Call: (235) [user] is_delimiter(r)
   Call: (236) [system] char_type(r, space)
   Fail: (236) [system] char_type(r, space)
   Call: (236) [system] arg(_248038, v('(', ')', end_of_file), r)
   Fail: (236) [system] arg(_248970, v('(', ')', end_of_file), r)
^  Fail: (235) [user] is_delimiter(r)
   Call: (235) [system] ')'==r
   Fail: (235) [system] ')'==r
   Call: (235) [system] get_char((0x55772f068e50), r)
   Exit: (235) [system] get_char((0x55772f068e50), r)
   Call: (235) [system] r=(\)
   Fail: (235) [system] r=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _256320)
   Call: (236) [system] peek_char((0x55772f068e50), _257254)
   Exit: (236) [system] peek_char((0x55772f068e50), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Fail: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_261974, v('(', ')', end_of_file), o)
   Fail: (237) [system] arg(_262906, v('(', ')', end_of_file), o)
^  Fail: (236) [user] is_delimiter(o)
   Call: (236) [system] ')'==o
   Fail: (236) [system] ')'==o
   Call: (236) [system] get_char((0x55772f068e50), o)
   Exit: (236) [system] get_char((0x55772f068e50), o)
   Call: (236) [system] o=(\)
   Fail: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _270256)
   Call: (237) [system] peek_char((0x55772f068e50), _271190)
   Exit: (237) [system] peek_char((0x55772f068e50), d)
^  Call: (237) [user] is_delimiter(d)
   Call: (238) [system] char_type(d, space)
   Fail: (238) [system] char_type(d, space)
   Call: (238) [system] arg(_275910, v('(', ')', end_of_file), d)
   Fail: (238) [system] arg(_276842, v('(', ')', end_of_file), d)
^  Fail: (237) [user] is_delimiter(d)
   Call: (237) [system] ')'==d
   Fail: (237) [system] ')'==d
   Call: (237) [system] get_char((0x55772f068e50), d)
   Exit: (237) [system] get_char((0x55772f068e50), d)
   Call: (237) [system] d=(\)
   Fail: (237) [system] d=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _284192)
   Call: (238) [system] peek_char((0x55772f068e50), _285126)
   Exit: (238) [system] peek_char((0x55772f068e50), u)
^  Call: (238) [user] is_delimiter(u)
   Call: (239) [system] char_type(u, space)
   Fail: (239) [system] char_type(u, space)
   Call: (239) [system] arg(_289846, v('(', ')', end_of_file), u)
   Fail: (239) [system] arg(_290778, v('(', ')', end_of_file), u)
^  Fail: (238) [user] is_delimiter(u)
   Call: (238) [system] ')'==u
   Fail: (238) [system] ')'==u
   Call: (238) [system] get_char((0x55772f068e50), u)
   Exit: (238) [system] get_char((0x55772f068e50), u)
   Call: (238) [system] u=(\)
   Fail: (238) [system] u=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _298128)
   Call: (239) [system] peek_char((0x55772f068e50), _299062)
   Exit: (239) [system] peek_char((0x55772f068e50), c)
^  Call: (239) [user] is_delimiter(c)
   Call: (240) [system] char_type(c, space)
   Fail: (240) [system] char_type(c, space)
   Call: (240) [system] arg(_303782, v('(', ')', end_of_file), c)
   Fail: (240) [system] arg(_304714, v('(', ')', end_of_file), c)
^  Fail: (239) [user] is_delimiter(c)
   Call: (239) [system] ')'==c
   Fail: (239) [system] ')'==c
   Call: (239) [system] get_char((0x55772f068e50), c)
   Exit: (239) [system] get_char((0x55772f068e50), c)
   Call: (239) [system] c=(\)
   Fail: (239) [system] c=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _312064)
   Call: (240) [system] peek_char((0x55772f068e50), _312998)
   Exit: (240) [system] peek_char((0x55772f068e50), t)
^  Call: (240) [user] is_delimiter(t)
   Call: (241) [system] char_type(t, space)
   Fail: (241) [system] char_type(t, space)
   Call: (241) [system] arg(_317718, v('(', ')', end_of_file), t)
   Fail: (241) [system] arg(_318650, v('(', ')', end_of_file), t)
^  Fail: (240) [user] is_delimiter(t)
   Call: (240) [system] ')'==t
   Fail: (240) [system] ')'==t
   Call: (240) [system] get_char((0x55772f068e50), t)
   Exit: (240) [system] get_char((0x55772f068e50), t)
   Call: (240) [system] t=(\)
   Fail: (240) [system] t=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _326000)
   Call: (241) [system] peek_char((0x55772f068e50), _326934)
   Exit: (241) [system] peek_char((0x55772f068e50), i)
^  Call: (241) [user] is_delimiter(i)
   Call: (242) [system] char_type(i, space)
   Fail: (242) [system] char_type(i, space)
   Call: (242) [system] arg(_331654, v('(', ')', end_of_file), i)
   Fail: (242) [system] arg(_332586, v('(', ')', end_of_file), i)
^  Fail: (241) [user] is_delimiter(i)
   Call: (241) [system] ')'==i
   Fail: (241) [system] ')'==i
   Call: (241) [system] get_char((0x55772f068e50), i)
   Exit: (241) [system] get_char((0x55772f068e50), i)
   Call: (241) [system] i=(\)
   Fail: (241) [system] i=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x55772f068e50), _339936)
   Call: (242) [system] peek_char((0x55772f068e50), _340870)
   Exit: (242) [system] peek_char((0x55772f068e50), o)
^  Call: (242) [user] is_delimiter(o)
   Call: (243) [system] char_type(o, space)
   Fail: (243) [system] char_type(o, space)
   Call: (243) [system] arg(_345590, v('(', ')', end_of_file), o)
   Fail: (243) [system] arg(_346522, v('(', ')', end_of_file), o)
^  Fail: (242) [user] is_delimiter(o)
   Call: (242) [system] ')'==o
   Fail: (242) [system] ')'==o
   Call: (242) [system] get_char((0x55772f068e50), o)
   Exit: (242) [system] get_char((0x55772f068e50), o)
   Call: (242) [system] o=(\)
   Fail: (242) [system] o=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x55772f068e50), _353872)
   Call: (243) [system] peek_char((0x55772f068e50), _354806)
   Exit: (243) [system] peek_char((0x55772f068e50), n)
^  Call: (243) [user] is_delimiter(n)
   Call: (244) [system] char_type(n, space)
   Fail: (244) [system] char_type(n, space)
   Call: (244) [system] arg(_359526, v('(', ')', end_of_file), n)
   Fail: (244) [system] arg(_360458, v('(', ')', end_of_file), n)
^  Fail: (243) [user] is_delimiter(n)
   Call: (243) [system] ')'==n
   Fail: (243) [system] ')'==n
   Call: (243) [system] get_char((0x55772f068e50), n)
   Exit: (243) [system] get_char((0x55772f068e50), n)
   Call: (243) [system] n=(\)
   Fail: (243) [system] n=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x55772f068e50), _367808)
   Call: (244) [system] peek_char((0x55772f068e50), _368742)
   Exit: (244) [system] peek_char((0x55772f068e50), ' ')
^  Call: (244) [user] is_delimiter(' ')
   Call: (245) [system] char_type(' ', space)
   Exit: (245) [system] char_type(' ', space)
^  Exit: (244) [user] is_delimiter(' ')
   Call: (244) [system] _367808=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (243) [system] _353872=[n]
   Exit: (243) [system] [n]=[n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (242) [system] _339936=[o, n]
   Exit: (242) [system] [o, n]=[o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (241) [system] _326000=[i, o, n]
   Exit: (241) [system] [i, o, n]=[i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (240) [system] _312064=[t, i, o, n]
   Exit: (240) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (239) [system] _298128=[c, t, i, o, n]
   Exit: (239) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (238) [system] _284192=[u, c, t, i, o, n]
   Exit: (238) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (237) [system] _270256=[d, u, c, t, i, o, n]
   Exit: (237) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (236) [system] _256320=[o, d, u, c, t, i, o, n]
   Exit: (236) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (235) [system] _242384=[r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _228448=[t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _214512=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _200576=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _186640=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _172704=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _158768=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _144832=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _130896=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _116960=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _103024=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _89088=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _75152=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _61216=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (221) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _25706)
^  Call: (222) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _439494)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_440446, _440448), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _439494), _440428, fail)), '$restore_trace'(_440446, _440448))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_440446, _440448))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _439494), _440428, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_439494)
   Fail: (223) [system] atomic(_439494)
   Call: (223) [system] atom_chars(_439494, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (223) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (222) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (222) [system] integer('DisjunctionIntroduction')
   Fail: (222) [system] integer('DisjunctionIntroduction')
   Call: (222) [system] _25706='DisjunctionIntroduction'
   Exit: (222) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (221) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (220) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (219) [user] read_list(')', (0x55772f068e50), _454444)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _456302)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x55772f068e50), _465896)
   Exit: (221) [system] get_char((0x55772f068e50), ' ')
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _468600)
   Exit: (222) [system] peek_char((0x55772f068e50), c)
   Call: (222) [system] c=(;)
   Fail: (222) [system] c=(;)
   Call: (222) [system] c=(/)
   Fail: (222) [system] c=(/)
^  Call: (222) [user] is_like_space(c)
   Call: (223) [system] char_type(c, 'white')
   Fail: (223) [system] char_type(c, 'white')
   Call: (223) [system] char_type(c, end_of_line)
   Fail: (223) [system] char_type(c, end_of_line)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] char_type(c, cntrl)
   Fail: (223) [system] char_type(c, cntrl)
^  Fail: (222) [user] is_like_space(c)
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _485534)
   Exit: (220) [system] peek_char((0x55772f068e50), c)
   Call: (220) [system] c=')'
   Fail: (220) [system] c=')'
   Call: (220) [system] c=end_of_file
   Fail: (220) [system] c=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _491104)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _492962)
   Exit: (222) [system] peek_char((0x55772f068e50), c)
   Call: (222) [system] c=(;)
   Fail: (222) [system] c=(;)
   Call: (222) [system] c=(/)
   Fail: (222) [system] c=(/)
^  Call: (222) [user] is_like_space(c)
   Call: (223) [system] char_type(c, 'white')
   Fail: (223) [system] char_type(c, 'white')
   Call: (223) [system] char_type(c, end_of_line)
   Fail: (223) [system] char_type(c, end_of_line)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] char_type(c, cntrl)
   Fail: (223) [system] char_type(c, cntrl)
^  Fail: (222) [user] is_like_space(c)
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _508972)
   Exit: (221) [system] get_char((0x55772f068e50), c)
   Call: (221) [system] c='('
   Fail: (221) [system] c='('
   Call: (221) [system] c='['
   Fail: (221) [system] c='['
   Call: (221) [system] c='{'
   Fail: (221) [system] c='{'
   Call: (221) [system] c='"'
   Fail: (221) [system] c='"'
   Call: (221) [system] c=!
   Fail: (221) [system] c=!
   Call: (221) [system] c='\''
   Fail: (221) [system] c='\''
   Call: (221) [system] c='`'
   Fail: (221) [system] c='`'
   Call: (221) [system] c=end_of_file
   Fail: (221) [system] c=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x55772f068e50), c, _491104)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _526614)
   Call: (223) [system] peek_char((0x55772f068e50), _527548)
   Exit: (223) [system] peek_char((0x55772f068e50), d)
^  Call: (223) [user] is_delimiter(d)
   Call: (224) [system] char_type(d, space)
   Fail: (224) [system] char_type(d, space)
   Call: (224) [system] arg(_532268, v('(', ')', end_of_file), d)
   Fail: (224) [system] arg(_533200, v('(', ')', end_of_file), d)
^  Fail: (223) [user] is_delimiter(d)
   Call: (223) [system] ')'==d
   Fail: (223) [system] ')'==d
   Call: (223) [system] get_char((0x55772f068e50), d)
   Exit: (223) [system] get_char((0x55772f068e50), d)
   Call: (223) [system] d=(\)
   Fail: (223) [system] d=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _540550)
   Call: (224) [system] peek_char((0x55772f068e50), _541484)
   Exit: (224) [system] peek_char((0x55772f068e50), e)
^  Call: (224) [user] is_delimiter(e)
   Call: (225) [system] char_type(e, space)
   Fail: (225) [system] char_type(e, space)
   Call: (225) [system] arg(_546204, v('(', ')', end_of_file), e)
   Fail: (225) [system] arg(_547136, v('(', ')', end_of_file), e)
^  Fail: (224) [user] is_delimiter(e)
   Call: (224) [system] ')'==e
   Fail: (224) [system] ')'==e
   Call: (224) [system] get_char((0x55772f068e50), e)
   Exit: (224) [system] get_char((0x55772f068e50), e)
   Call: (224) [system] e=(\)
   Fail: (224) [system] e=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _554486)
   Call: (225) [system] peek_char((0x55772f068e50), _555420)
   Exit: (225) [system] peek_char((0x55772f068e50), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _554486=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (224) [system] _540550=[e]
   Exit: (224) [system] [e]=[e]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (223) [system] _526614=[d, e]
   Exit: (223) [system] [d, e]=[d, e]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [d, e])
^  Call: (222) [user] classify_and_convert_charseq([c, d, e], _491104)
^  Call: (223) [user] classify_and_convert_charseq_([c, d, e], _570292)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_571244, _571246), once(user:catch(read_from_chars([c, d, e], _570292), _571226, fail)), '$restore_trace'(_571244, _571246))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_571244, _571246))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _571226, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(cde)
   Exit: (224) [system] atomic(cde)
^  Exit: (223) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (223) [system] integer(cde)
   Fail: (223) [system] integer(cde)
   Call: (223) [system] _491104=cde
   Exit: (223) [system] cde=cde
^  Exit: (222) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (221) [user] read_symbolic(')', (0x55772f068e50), c, cde)
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), cde)
^  Call: (220) [user] read_list(')', (0x55772f068e50), _583372)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _585230)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x55772f068e50), _594824)
   Exit: (222) [system] get_char((0x55772f068e50), ' ')
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _597528)
   Exit: (223) [system] peek_char((0x55772f068e50), a)
   Call: (223) [system] a=(;)
   Fail: (223) [system] a=(;)
   Call: (223) [system] a=(/)
   Fail: (223) [system] a=(/)
^  Call: (223) [user] is_like_space(a)
   Call: (224) [system] char_type(a, 'white')
   Fail: (224) [system] char_type(a, 'white')
   Call: (224) [system] char_type(a, end_of_line)
   Fail: (224) [system] char_type(a, end_of_line)
   Call: (224) [system] char_type(a, space)
   Fail: (224) [system] char_type(a, space)
   Call: (224) [system] char_type(a, cntrl)
   Fail: (224) [system] char_type(a, cntrl)
^  Fail: (223) [user] is_like_space(a)
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _614462)
   Exit: (221) [system] peek_char((0x55772f068e50), a)
   Call: (221) [system] a=')'
   Fail: (221) [system] a=')'
   Call: (221) [system] a=end_of_file
   Fail: (221) [system] a=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _620032)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _621890)
   Exit: (223) [system] peek_char((0x55772f068e50), a)
   Call: (223) [system] a=(;)
   Fail: (223) [system] a=(;)
   Call: (223) [system] a=(/)
   Fail: (223) [system] a=(/)
^  Call: (223) [user] is_like_space(a)
   Call: (224) [system] char_type(a, 'white')
   Fail: (224) [system] char_type(a, 'white')
   Call: (224) [system] char_type(a, end_of_line)
   Fail: (224) [system] char_type(a, end_of_line)
   Call: (224) [system] char_type(a, space)
   Fail: (224) [system] char_type(a, space)
   Call: (224) [system] char_type(a, cntrl)
   Fail: (224) [system] char_type(a, cntrl)
^  Fail: (223) [user] is_like_space(a)
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _637900)
   Exit: (222) [system] get_char((0x55772f068e50), a)
   Call: (222) [system] a='('
   Fail: (222) [system] a='('
   Call: (222) [system] a='['
   Fail: (222) [system] a='['
   Call: (222) [system] a='{'
   Fail: (222) [system] a='{'
   Call: (222) [system] a='"'
   Fail: (222) [system] a='"'
   Call: (222) [system] a=!
   Fail: (222) [system] a=!
   Call: (222) [system] a='\''
   Fail: (222) [system] a='\''
   Call: (222) [system] a='`'
   Fail: (222) [system] a='`'
   Call: (222) [system] a=end_of_file
   Fail: (222) [system] a=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x55772f068e50), a, _620032)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _655542)
   Call: (224) [system] peek_char((0x55772f068e50), _656476)
   Exit: (224) [system] peek_char((0x55772f068e50), b)
^  Call: (224) [user] is_delimiter(b)
   Call: (225) [system] char_type(b, space)
   Fail: (225) [system] char_type(b, space)
   Call: (225) [system] arg(_661196, v('(', ')', end_of_file), b)
   Fail: (225) [system] arg(_662128, v('(', ')', end_of_file), b)
^  Fail: (224) [user] is_delimiter(b)
   Call: (224) [system] ')'==b
   Fail: (224) [system] ')'==b
   Call: (224) [system] get_char((0x55772f068e50), b)
   Exit: (224) [system] get_char((0x55772f068e50), b)
   Call: (224) [system] b=(\)
   Fail: (224) [system] b=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _669478)
   Call: (225) [system] peek_char((0x55772f068e50), _670412)
   Exit: (225) [system] peek_char((0x55772f068e50), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Fail: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_675132, v('(', ')', end_of_file), c)
   Fail: (226) [system] arg(_676064, v('(', ')', end_of_file), c)
^  Fail: (225) [user] is_delimiter(c)
   Call: (225) [system] ')'==c
   Fail: (225) [system] ')'==c
   Call: (225) [system] get_char((0x55772f068e50), c)
   Exit: (225) [system] get_char((0x55772f068e50), c)
   Call: (225) [system] c=(\)
   Fail: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _683414)
   Call: (226) [system] peek_char((0x55772f068e50), _684348)
   Exit: (226) [system] peek_char((0x55772f068e50), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_689068, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _683414=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (225) [system] _669478=[c]
   Exit: (225) [system] [c]=[c]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (224) [system] _655542=[b, c]
   Exit: (224) [system] [b, c]=[b, c]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (223) [user] classify_and_convert_charseq([a, b, c], _620032)
^  Call: (224) [user] classify_and_convert_charseq_([a, b, c], _701092)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_702044, _702046), once(user:catch(read_from_chars([a, b, c], _701092), _702026, fail)), '$restore_trace'(_702044, _702046))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_702044, _702046))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _702026, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(abc)
   Exit: (225) [system] atomic(abc)
^  Exit: (224) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (224) [system] integer(abc)
   Fail: (224) [system] integer(abc)
   Call: (224) [system] _620032=abc
   Exit: (224) [system] abc=abc
^  Exit: (223) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (222) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (221) [user] read_list(')', (0x55772f068e50), _714172)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _716030)
   Exit: (223) [system] peek_char((0x55772f068e50), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
   Call: (223) [system] ')'=(/)
   Fail: (223) [system] ')'=(/)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _732040)
   Exit: (222) [system] peek_char((0x55772f068e50), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x55772f068e50), _735830)
   Exit: (222) [system] get_char((0x55772f068e50), ')')
   Call: (222) [system] _714172=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x55772f068e50), [])
   Call: (221) [system] _583372=[abc]
   Exit: (221) [system] [abc]=[abc]
^  Exit: (220) [user] read_list(')', (0x55772f068e50), [abc])
   Call: (220) [system] _454444=[cde, abc]
   Exit: (220) [system] [cde, abc]=[cde, abc]
^  Exit: (219) [user] read_list(')', (0x55772f068e50), [cde, abc])
   Call: (219) [system] _5626=['DisjunctionIntroduction', cde, abc]
   Exit: (219) [system] ['DisjunctionIntroduction', cde, abc]=['DisjunctionIntroduction', cde, abc]
^  Exit: (218) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', cde, abc])
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', cde, abc])
^  Call: (217) [user] read_list(')', (0x55772f068e50), _749712)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _751570)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x55772f068e50), _761164)
   Exit: (219) [system] get_char((0x55772f068e50), ' ')
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _763868)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _780802)
   Exit: (218) [system] peek_char((0x55772f068e50), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _786372)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _788230)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _804240)
   Exit: (219) [system] get_char((0x55772f068e50), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x55772f068e50), _786372)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _809810)
   Exit: (221) [system] peek_char((0x55772f068e50), 'O')
   Call: (221) [system] 'O'=(;)
   Fail: (221) [system] 'O'=(;)
   Call: (221) [system] 'O'=(/)
   Fail: (221) [system] 'O'=(/)
^  Call: (221) [user] is_like_space('O')
   Call: (222) [system] char_type('O', 'white')
   Fail: (222) [system] char_type('O', 'white')
   Call: (222) [system] char_type('O', end_of_line)
   Fail: (222) [system] char_type('O', end_of_line)
   Call: (222) [system] char_type('O', space)
   Fail: (222) [system] char_type('O', space)
   Call: (222) [system] char_type('O', cntrl)
   Fail: (222) [system] char_type('O', cntrl)
^  Fail: (221) [user] is_like_space('O')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _825820)
   Exit: (220) [system] peek_char((0x55772f068e50), 'O')
   Call: (220) [system] 'O'=')'
   Fail: (220) [system] 'O'=')'
   Call: (220) [system] 'O'=end_of_file
   Fail: (220) [system] 'O'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _831390)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _833248)
   Exit: (222) [system] peek_char((0x55772f068e50), 'O')
   Call: (222) [system] 'O'=(;)
   Fail: (222) [system] 'O'=(;)
   Call: (222) [system] 'O'=(/)
   Fail: (222) [system] 'O'=(/)
^  Call: (222) [user] is_like_space('O')
   Call: (223) [system] char_type('O', 'white')
   Fail: (223) [system] char_type('O', 'white')
   Call: (223) [system] char_type('O', end_of_line)
   Fail: (223) [system] char_type('O', end_of_line)
   Call: (223) [system] char_type('O', space)
   Fail: (223) [system] char_type('O', space)
   Call: (223) [system] char_type('O', cntrl)
   Fail: (223) [system] char_type('O', cntrl)
^  Fail: (222) [user] is_like_space('O')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _849258)
   Exit: (221) [system] get_char((0x55772f068e50), 'O')
   Call: (221) [system] 'O'='('
   Fail: (221) [system] 'O'='('
   Call: (221) [system] 'O'='['
   Fail: (221) [system] 'O'='['
   Call: (221) [system] 'O'='{'
   Fail: (221) [system] 'O'='{'
   Call: (221) [system] 'O'='"'
   Fail: (221) [system] 'O'='"'
   Call: (221) [system] 'O'=!
   Fail: (221) [system] 'O'=!
   Call: (221) [system] 'O'='\''
   Fail: (221) [system] 'O'='\''
   Call: (221) [system] 'O'='`'
   Fail: (221) [system] 'O'='`'
   Call: (221) [system] 'O'=end_of_file
   Fail: (221) [system] 'O'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x55772f068e50), 'O', _831390)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _866900)
   Call: (223) [system] peek_char((0x55772f068e50), _867834)
   Exit: (223) [system] peek_char((0x55772f068e50), r)
^  Call: (223) [user] is_delimiter(r)
   Call: (224) [system] char_type(r, space)
   Fail: (224) [system] char_type(r, space)
   Call: (224) [system] arg(_872554, v('(', ')', end_of_file), r)
   Fail: (224) [system] arg(_873486, v('(', ')', end_of_file), r)
^  Fail: (223) [user] is_delimiter(r)
   Call: (223) [system] ')'==r
   Fail: (223) [system] ')'==r
   Call: (223) [system] get_char((0x55772f068e50), r)
   Exit: (223) [system] get_char((0x55772f068e50), r)
   Call: (223) [system] r=(\)
   Fail: (223) [system] r=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _880836)
   Call: (224) [system] peek_char((0x55772f068e50), _881770)
   Exit: (224) [system] peek_char((0x55772f068e50), 'L')
^  Call: (224) [user] is_delimiter('L')
   Call: (225) [system] char_type('L', space)
   Fail: (225) [system] char_type('L', space)
   Call: (225) [system] arg(_886490, v('(', ')', end_of_file), 'L')
   Fail: (225) [system] arg(_887422, v('(', ')', end_of_file), 'L')
^  Fail: (224) [user] is_delimiter('L')
   Call: (224) [system] ')'=='L'
   Fail: (224) [system] ')'=='L'
   Call: (224) [system] get_char((0x55772f068e50), 'L')
   Exit: (224) [system] get_char((0x55772f068e50), 'L')
   Call: (224) [system] 'L'=(\)
   Fail: (224) [system] 'L'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _894772)
   Call: (225) [system] peek_char((0x55772f068e50), _895706)
   Exit: (225) [system] peek_char((0x55772f068e50), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_900426, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_901358, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x55772f068e50), i)
   Exit: (225) [system] get_char((0x55772f068e50), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _908708)
   Call: (226) [system] peek_char((0x55772f068e50), _909642)
   Exit: (226) [system] peek_char((0x55772f068e50), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_914362, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_915294, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x55772f068e50), n)
   Exit: (226) [system] get_char((0x55772f068e50), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _922644)
   Call: (227) [system] peek_char((0x55772f068e50), _923578)
   Exit: (227) [system] peek_char((0x55772f068e50), k)
^  Call: (227) [user] is_delimiter(k)
   Call: (228) [system] char_type(k, space)
   Fail: (228) [system] char_type(k, space)
   Call: (228) [system] arg(_928298, v('(', ')', end_of_file), k)
   Fail: (228) [system] arg(_929230, v('(', ')', end_of_file), k)
^  Fail: (227) [user] is_delimiter(k)
   Call: (227) [system] ')'==k
   Fail: (227) [system] ')'==k
   Call: (227) [system] get_char((0x55772f068e50), k)
   Exit: (227) [system] get_char((0x55772f068e50), k)
   Call: (227) [system] k=(\)
   Fail: (227) [system] k=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _936580)
   Call: (228) [system] peek_char((0x55772f068e50), _937514)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _936580=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (227) [system] _922644=[k]
   Exit: (227) [system] [k]=[k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (226) [system] _908708=[n, k]
   Exit: (226) [system] [n, k]=[n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (225) [system] _894772=[i, n, k]
   Exit: (225) [system] [i, n, k]=[i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (224) [system] _880836=['L', i, n, k]
   Exit: (224) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (223) [system] _866900=[r, 'L', i, n, k]
   Exit: (223) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (222) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _831390)
^  Call: (223) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _960768)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_961720, _961722), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _960768), _961702, fail)), '$restore_trace'(_961720, _961722))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_961720, _961722))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _960768), _961702, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_960768)
   Fail: (224) [system] atomic(_960768)
   Call: (224) [system] atom_chars(_960768, ['O', r, 'L', i, n, k])
   Exit: (224) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (223) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (223) [system] integer('OrLink')
   Fail: (223) [system] integer('OrLink')
   Call: (223) [system] _831390='OrLink'
   Exit: (223) [system] 'OrLink'='OrLink'
^  Exit: (222) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (221) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (220) [user] read_list(')', (0x55772f068e50), _975718)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _977576)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x55772f068e50), _987170)
   Exit: (222) [system] get_char((0x55772f068e50), ' ')
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _989874)
   Exit: (223) [system] peek_char((0x55772f068e50), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1006808)
   Exit: (221) [system] peek_char((0x55772f068e50), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _1012378)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1014236)
   Exit: (223) [system] peek_char((0x55772f068e50), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _1030246)
   Exit: (222) [system] get_char((0x55772f068e50), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x55772f068e50), _1012378)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1035816)
   Exit: (224) [system] peek_char((0x55772f068e50), 'I')
   Call: (224) [system] 'I'=(;)
   Fail: (224) [system] 'I'=(;)
   Call: (224) [system] 'I'=(/)
   Fail: (224) [system] 'I'=(/)
^  Call: (224) [user] is_like_space('I')
   Call: (225) [system] char_type('I', 'white')
   Fail: (225) [system] char_type('I', 'white')
   Call: (225) [system] char_type('I', end_of_line)
   Fail: (225) [system] char_type('I', end_of_line)
   Call: (225) [system] char_type('I', space)
   Fail: (225) [system] char_type('I', space)
   Call: (225) [system] char_type('I', cntrl)
   Fail: (225) [system] char_type('I', cntrl)
^  Fail: (224) [user] is_like_space('I')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1051826)
   Exit: (223) [system] peek_char((0x55772f068e50), 'I')
   Call: (223) [system] 'I'=')'
   Fail: (223) [system] 'I'=')'
   Call: (223) [system] 'I'=end_of_file
   Fail: (223) [system] 'I'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x55772f068e50), _1057396)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1059254)
   Exit: (225) [system] peek_char((0x55772f068e50), 'I')
   Call: (225) [system] 'I'=(;)
   Fail: (225) [system] 'I'=(;)
   Call: (225) [system] 'I'=(/)
   Fail: (225) [system] 'I'=(/)
^  Call: (225) [user] is_like_space('I')
   Call: (226) [system] char_type('I', 'white')
   Fail: (226) [system] char_type('I', 'white')
   Call: (226) [system] char_type('I', end_of_line)
   Fail: (226) [system] char_type('I', end_of_line)
   Call: (226) [system] char_type('I', space)
   Fail: (226) [system] char_type('I', space)
   Call: (226) [system] char_type('I', cntrl)
   Fail: (226) [system] char_type('I', cntrl)
^  Fail: (225) [user] is_like_space('I')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] get_char((0x55772f068e50), _1075264)
   Exit: (224) [system] get_char((0x55772f068e50), 'I')
   Call: (224) [system] 'I'='('
   Fail: (224) [system] 'I'='('
   Call: (224) [system] 'I'='['
   Fail: (224) [system] 'I'='['
   Call: (224) [system] 'I'='{'
   Fail: (224) [system] 'I'='{'
   Call: (224) [system] 'I'='"'
   Fail: (224) [system] 'I'='"'
   Call: (224) [system] 'I'=!
   Fail: (224) [system] 'I'=!
   Call: (224) [system] 'I'='\''
   Fail: (224) [system] 'I'='\''
   Call: (224) [system] 'I'='`'
   Fail: (224) [system] 'I'='`'
   Call: (224) [system] 'I'=end_of_file
   Fail: (224) [system] 'I'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x55772f068e50), 'I', _1057396)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1092906)
   Call: (226) [system] peek_char((0x55772f068e50), _1093840)
   Exit: (226) [system] peek_char((0x55772f068e50), m)
^  Call: (226) [user] is_delimiter(m)
   Call: (227) [system] char_type(m, space)
   Fail: (227) [system] char_type(m, space)
   Call: (227) [system] arg(_1098560, v('(', ')', end_of_file), m)
   Fail: (227) [system] arg(_1099492, v('(', ')', end_of_file), m)
^  Fail: (226) [user] is_delimiter(m)
   Call: (226) [system] ')'==m
   Fail: (226) [system] ')'==m
   Call: (226) [system] get_char((0x55772f068e50), m)
   Exit: (226) [system] get_char((0x55772f068e50), m)
   Call: (226) [system] m=(\)
   Fail: (226) [system] m=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1106842)
   Call: (227) [system] peek_char((0x55772f068e50), _1107776)
   Exit: (227) [system] peek_char((0x55772f068e50), p)
^  Call: (227) [user] is_delimiter(p)
   Call: (228) [system] char_type(p, space)
   Fail: (228) [system] char_type(p, space)
   Call: (228) [system] arg(_1112496, v('(', ')', end_of_file), p)
   Fail: (228) [system] arg(_1113428, v('(', ')', end_of_file), p)
^  Fail: (227) [user] is_delimiter(p)
   Call: (227) [system] ')'==p
   Fail: (227) [system] ')'==p
   Call: (227) [system] get_char((0x55772f068e50), p)
   Exit: (227) [system] get_char((0x55772f068e50), p)
   Call: (227) [system] p=(\)
   Fail: (227) [system] p=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1120778)
   Call: (228) [system] peek_char((0x55772f068e50), _1121712)
   Exit: (228) [system] peek_char((0x55772f068e50), l)
^  Call: (228) [user] is_delimiter(l)
   Call: (229) [system] char_type(l, space)
   Fail: (229) [system] char_type(l, space)
   Call: (229) [system] arg(_1126432, v('(', ')', end_of_file), l)
   Fail: (229) [system] arg(_1127364, v('(', ')', end_of_file), l)
^  Fail: (228) [user] is_delimiter(l)
   Call: (228) [system] ')'==l
   Fail: (228) [system] ')'==l
   Call: (228) [system] get_char((0x55772f068e50), l)
   Exit: (228) [system] get_char((0x55772f068e50), l)
   Call: (228) [system] l=(\)
   Fail: (228) [system] l=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1134714)
   Call: (229) [system] peek_char((0x55772f068e50), _1135648)
   Exit: (229) [system] peek_char((0x55772f068e50), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1140368, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1141300, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x55772f068e50), i)
   Exit: (229) [system] get_char((0x55772f068e50), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1148650)
   Call: (230) [system] peek_char((0x55772f068e50), _1149584)
   Exit: (230) [system] peek_char((0x55772f068e50), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Fail: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_1154304, v('(', ')', end_of_file), c)
   Fail: (231) [system] arg(_1155236, v('(', ')', end_of_file), c)
^  Fail: (230) [user] is_delimiter(c)
   Call: (230) [system] ')'==c
   Fail: (230) [system] ')'==c
   Call: (230) [system] get_char((0x55772f068e50), c)
   Exit: (230) [system] get_char((0x55772f068e50), c)
   Call: (230) [system] c=(\)
   Fail: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1162586)
   Call: (231) [system] peek_char((0x55772f068e50), _1163520)
   Exit: (231) [system] peek_char((0x55772f068e50), a)
^  Call: (231) [user] is_delimiter(a)
   Call: (232) [system] char_type(a, space)
   Fail: (232) [system] char_type(a, space)
   Call: (232) [system] arg(_1168240, v('(', ')', end_of_file), a)
   Fail: (232) [system] arg(_1169172, v('(', ')', end_of_file), a)
^  Fail: (231) [user] is_delimiter(a)
   Call: (231) [system] ')'==a
   Fail: (231) [system] ')'==a
   Call: (231) [system] get_char((0x55772f068e50), a)
   Exit: (231) [system] get_char((0x55772f068e50), a)
   Call: (231) [system] a=(\)
   Fail: (231) [system] a=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1176522)
   Call: (232) [system] peek_char((0x55772f068e50), _1177456)
   Exit: (232) [system] peek_char((0x55772f068e50), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_1182176, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_1183108, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x55772f068e50), t)
   Exit: (232) [system] get_char((0x55772f068e50), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1190458)
   Call: (233) [system] peek_char((0x55772f068e50), _1191392)
   Exit: (233) [system] peek_char((0x55772f068e50), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_1196112, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_1197044, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x55772f068e50), i)
   Exit: (233) [system] get_char((0x55772f068e50), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1204394)
   Call: (234) [system] peek_char((0x55772f068e50), _1205328)
   Exit: (234) [system] peek_char((0x55772f068e50), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_1210048, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_1210980, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x55772f068e50), o)
   Exit: (234) [system] get_char((0x55772f068e50), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1218330)
   Call: (235) [system] peek_char((0x55772f068e50), _1219264)
   Exit: (235) [system] peek_char((0x55772f068e50), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_1223984, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_1224916, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x55772f068e50), n)
   Exit: (235) [system] get_char((0x55772f068e50), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1232266)
   Call: (236) [system] peek_char((0x55772f068e50), _1233200)
   Exit: (236) [system] peek_char((0x55772f068e50), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _1232266=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (235) [system] _1218330=[n]
   Exit: (235) [system] [n]=[n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (234) [system] _1204394=[o, n]
   Exit: (234) [system] [o, n]=[o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (233) [system] _1190458=[i, o, n]
   Exit: (233) [system] [i, o, n]=[i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (232) [system] _1176522=[t, i, o, n]
   Exit: (232) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (231) [system] _1162586=[a, t, i, o, n]
   Exit: (231) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (230) [system] _1148650=[c, a, t, i, o, n]
   Exit: (230) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (229) [system] _1134714=[i, c, a, t, i, o, n]
   Exit: (229) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (228) [system] _1120778=[l, i, c, a, t, i, o, n]
   Exit: (228) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (227) [system] _1106842=[p, l, i, c, a, t, i, o, n]
   Exit: (227) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (226) [system] _1092906=[m, p, l, i, c, a, t, i, o, n]
   Exit: (226) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (225) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1057396)
^  Call: (226) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1270424)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1271376, _1271378), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1270424), _1271358, fail)), '$restore_trace'(_1271376, _1271378))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1271376, _1271378))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1270424), _1271358, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1270424)
   Fail: (227) [system] atomic(_1270424)
   Call: (227) [system] atom_chars(_1270424, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (227) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (226) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (226) [system] integer('Implication')
   Fail: (226) [system] integer('Implication')
   Call: (226) [system] _1057396='Implication'
   Exit: (226) [system] 'Implication'='Implication'
^  Exit: (225) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (224) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (223) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (223) [user] read_list(')', (0x55772f068e50), _1285374)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1287232)
   Exit: (225) [system] peek_char((0x55772f068e50), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x55772f068e50), _1296826)
   Exit: (225) [system] get_char((0x55772f068e50), ' ')
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1299530)
   Exit: (226) [system] peek_char((0x55772f068e50), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1316464)
   Exit: (224) [system] peek_char((0x55772f068e50), '(')
   Call: (224) [system] '('=')'
   Fail: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
   Fail: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x55772f068e50), _1322034)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1323892)
   Exit: (226) [system] peek_char((0x55772f068e50), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] get_char((0x55772f068e50), _1339902)
   Exit: (225) [system] get_char((0x55772f068e50), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x55772f068e50), _1322034)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1345472)
   Exit: (227) [system] peek_char((0x55772f068e50), 'O')
   Call: (227) [system] 'O'=(;)
   Fail: (227) [system] 'O'=(;)
   Call: (227) [system] 'O'=(/)
   Fail: (227) [system] 'O'=(/)
^  Call: (227) [user] is_like_space('O')
   Call: (228) [system] char_type('O', 'white')
   Fail: (228) [system] char_type('O', 'white')
   Call: (228) [system] char_type('O', end_of_line)
   Fail: (228) [system] char_type('O', end_of_line)
   Call: (228) [system] char_type('O', space)
   Fail: (228) [system] char_type('O', space)
   Call: (228) [system] char_type('O', cntrl)
   Fail: (228) [system] char_type('O', cntrl)
^  Fail: (227) [user] is_like_space('O')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1361482)
   Exit: (226) [system] peek_char((0x55772f068e50), 'O')
   Call: (226) [system] 'O'=')'
   Fail: (226) [system] 'O'=')'
   Call: (226) [system] 'O'=end_of_file
   Fail: (226) [system] 'O'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x55772f068e50), _1367052)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1368910)
   Exit: (228) [system] peek_char((0x55772f068e50), 'O')
   Call: (228) [system] 'O'=(;)
   Fail: (228) [system] 'O'=(;)
   Call: (228) [system] 'O'=(/)
   Fail: (228) [system] 'O'=(/)
^  Call: (228) [user] is_like_space('O')
   Call: (229) [system] char_type('O', 'white')
   Fail: (229) [system] char_type('O', 'white')
   Call: (229) [system] char_type('O', end_of_line)
   Fail: (229) [system] char_type('O', end_of_line)
   Call: (229) [system] char_type('O', space)
   Fail: (229) [system] char_type('O', space)
   Call: (229) [system] char_type('O', cntrl)
   Fail: (229) [system] char_type('O', cntrl)
^  Fail: (228) [user] is_like_space('O')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] get_char((0x55772f068e50), _1384920)
   Exit: (227) [system] get_char((0x55772f068e50), 'O')
   Call: (227) [system] 'O'='('
   Fail: (227) [system] 'O'='('
   Call: (227) [system] 'O'='['
   Fail: (227) [system] 'O'='['
   Call: (227) [system] 'O'='{'
   Fail: (227) [system] 'O'='{'
   Call: (227) [system] 'O'='"'
   Fail: (227) [system] 'O'='"'
   Call: (227) [system] 'O'=!
   Fail: (227) [system] 'O'=!
   Call: (227) [system] 'O'='\''
   Fail: (227) [system] 'O'='\''
   Call: (227) [system] 'O'='`'
   Fail: (227) [system] 'O'='`'
   Call: (227) [system] 'O'=end_of_file
   Fail: (227) [system] 'O'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x55772f068e50), 'O', _1367052)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1402562)
   Call: (229) [system] peek_char((0x55772f068e50), _1403496)
   Exit: (229) [system] peek_char((0x55772f068e50), r)
^  Call: (229) [user] is_delimiter(r)
   Call: (230) [system] char_type(r, space)
   Fail: (230) [system] char_type(r, space)
   Call: (230) [system] arg(_1408216, v('(', ')', end_of_file), r)
   Fail: (230) [system] arg(_1409148, v('(', ')', end_of_file), r)
^  Fail: (229) [user] is_delimiter(r)
   Call: (229) [system] ')'==r
   Fail: (229) [system] ')'==r
   Call: (229) [system] get_char((0x55772f068e50), r)
   Exit: (229) [system] get_char((0x55772f068e50), r)
   Call: (229) [system] r=(\)
   Fail: (229) [system] r=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1416498)
   Call: (230) [system] peek_char((0x55772f068e50), _1417432)
   Exit: (230) [system] peek_char((0x55772f068e50), 'L')
^  Call: (230) [user] is_delimiter('L')
   Call: (231) [system] char_type('L', space)
   Fail: (231) [system] char_type('L', space)
   Call: (231) [system] arg(_1422152, v('(', ')', end_of_file), 'L')
   Fail: (231) [system] arg(_1423084, v('(', ')', end_of_file), 'L')
^  Fail: (230) [user] is_delimiter('L')
   Call: (230) [system] ')'=='L'
   Fail: (230) [system] ')'=='L'
   Call: (230) [system] get_char((0x55772f068e50), 'L')
   Exit: (230) [system] get_char((0x55772f068e50), 'L')
   Call: (230) [system] 'L'=(\)
   Fail: (230) [system] 'L'=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1430434)
   Call: (231) [system] peek_char((0x55772f068e50), _1431368)
   Exit: (231) [system] peek_char((0x55772f068e50), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1436088, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_1437020, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x55772f068e50), i)
   Exit: (231) [system] get_char((0x55772f068e50), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1444370)
   Call: (232) [system] peek_char((0x55772f068e50), _1445304)
   Exit: (232) [system] peek_char((0x55772f068e50), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_1450024, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_1450956, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x55772f068e50), n)
   Exit: (232) [system] get_char((0x55772f068e50), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1458306)
   Call: (233) [system] peek_char((0x55772f068e50), _1459240)
   Exit: (233) [system] peek_char((0x55772f068e50), k)
^  Call: (233) [user] is_delimiter(k)
   Call: (234) [system] char_type(k, space)
   Fail: (234) [system] char_type(k, space)
   Call: (234) [system] arg(_1463960, v('(', ')', end_of_file), k)
   Fail: (234) [system] arg(_1464892, v('(', ')', end_of_file), k)
^  Fail: (233) [user] is_delimiter(k)
   Call: (233) [system] ')'==k
   Fail: (233) [system] ')'==k
   Call: (233) [system] get_char((0x55772f068e50), k)
   Exit: (233) [system] get_char((0x55772f068e50), k)
   Call: (233) [system] k=(\)
   Fail: (233) [system] k=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1472242)
   Call: (234) [system] peek_char((0x55772f068e50), _1473176)
   Exit: (234) [system] peek_char((0x55772f068e50), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _1472242=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (233) [system] _1458306=[k]
   Exit: (233) [system] [k]=[k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (232) [system] _1444370=[n, k]
   Exit: (232) [system] [n, k]=[n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (231) [system] _1430434=[i, n, k]
   Exit: (231) [system] [i, n, k]=[i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (230) [system] _1416498=['L', i, n, k]
   Exit: (230) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (229) [system] _1402562=[r, 'L', i, n, k]
   Exit: (229) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (228) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1367052)
^  Call: (229) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1496430)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1497382, _1497384), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1496430), _1497364, fail)), '$restore_trace'(_1497382, _1497384))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1497382, _1497384))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1496430), _1497364, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1496430)
   Fail: (230) [system] atomic(_1496430)
   Call: (230) [system] atom_chars(_1496430, ['O', r, 'L', i, n, k])
   Exit: (230) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (229) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (229) [system] integer('OrLink')
   Fail: (229) [system] integer('OrLink')
   Call: (229) [system] _1367052='OrLink'
   Exit: (229) [system] 'OrLink'='OrLink'
^  Exit: (228) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (227) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (226) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (226) [user] read_list(')', (0x55772f068e50), _1511380)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1513238)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x55772f068e50), _1522832)
   Exit: (228) [system] get_char((0x55772f068e50), ' ')
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1525536)
   Exit: (229) [system] peek_char((0x55772f068e50), 'C')
   Call: (229) [system] 'C'=(;)
   Fail: (229) [system] 'C'=(;)
   Call: (229) [system] 'C'=(/)
   Fail: (229) [system] 'C'=(/)
^  Call: (229) [user] is_like_space('C')
   Call: (230) [system] char_type('C', 'white')
   Fail: (230) [system] char_type('C', 'white')
   Call: (230) [system] char_type('C', end_of_line)
   Fail: (230) [system] char_type('C', end_of_line)
   Call: (230) [system] char_type('C', space)
   Fail: (230) [system] char_type('C', space)
   Call: (230) [system] char_type('C', cntrl)
   Fail: (230) [system] char_type('C', cntrl)
^  Fail: (229) [user] is_like_space('C')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1542470)
   Exit: (227) [system] peek_char((0x55772f068e50), 'C')
   Call: (227) [system] 'C'=')'
   Fail: (227) [system] 'C'=')'
   Call: (227) [system] 'C'=end_of_file
   Fail: (227) [system] 'C'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x55772f068e50), _1548040)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1549898)
   Exit: (229) [system] peek_char((0x55772f068e50), 'C')
   Call: (229) [system] 'C'=(;)
   Fail: (229) [system] 'C'=(;)
   Call: (229) [system] 'C'=(/)
   Fail: (229) [system] 'C'=(/)
^  Call: (229) [user] is_like_space('C')
   Call: (230) [system] char_type('C', 'white')
   Fail: (230) [system] char_type('C', 'white')
   Call: (230) [system] char_type('C', end_of_line)
   Fail: (230) [system] char_type('C', end_of_line)
   Call: (230) [system] char_type('C', space)
   Fail: (230) [system] char_type('C', space)
   Call: (230) [system] char_type('C', cntrl)
   Fail: (230) [system] char_type('C', cntrl)
^  Fail: (229) [user] is_like_space('C')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] get_char((0x55772f068e50), _1565908)
   Exit: (228) [system] get_char((0x55772f068e50), 'C')
   Call: (228) [system] 'C'='('
   Fail: (228) [system] 'C'='('
   Call: (228) [system] 'C'='['
   Fail: (228) [system] 'C'='['
   Call: (228) [system] 'C'='{'
   Fail: (228) [system] 'C'='{'
   Call: (228) [system] 'C'='"'
   Fail: (228) [system] 'C'='"'
   Call: (228) [system] 'C'=!
   Fail: (228) [system] 'C'=!
   Call: (228) [system] 'C'='\''
   Fail: (228) [system] 'C'='\''
   Call: (228) [system] 'C'='`'
   Fail: (228) [system] 'C'='`'
   Call: (228) [system] 'C'=end_of_file
   Fail: (228) [system] 'C'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x55772f068e50), 'C', _1548040)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1583550)
   Call: (230) [system] peek_char((0x55772f068e50), _1584484)
   Exit: (230) [system] peek_char((0x55772f068e50), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1583550=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (229) [user] classify_and_convert_charseq(['C'], _1548040)
^  Call: (230) [user] classify_and_convert_charseq_(['C'], _1593768)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1594720, _1594722), once(user:catch(read_from_chars(['C'], _1593768), _1594702, fail)), '$restore_trace'(_1594720, _1594722))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1594720, _1594722))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1593768), _1594702, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1593768)
   Fail: (231) [system] atomic(_1593768)
   Call: (231) [system] atom_chars(_1593768, ['C'])
   Exit: (231) [system] atom_chars('C', ['C'])
^  Exit: (230) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (230) [system] integer('C')
   Fail: (230) [system] integer('C')
   Call: (230) [system] _1548040='C'
   Exit: (230) [system] 'C'='C'
^  Exit: (229) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (228) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (227) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (227) [user] read_list(')', (0x55772f068e50), _1608718)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1610576)
   Exit: (229) [system] peek_char((0x55772f068e50), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x55772f068e50), _1620170)
   Exit: (229) [system] get_char((0x55772f068e50), ' ')
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1622874)
   Exit: (230) [system] peek_char((0x55772f068e50), 'D')
   Call: (230) [system] 'D'=(;)
   Fail: (230) [system] 'D'=(;)
   Call: (230) [system] 'D'=(/)
   Fail: (230) [system] 'D'=(/)
^  Call: (230) [user] is_like_space('D')
   Call: (231) [system] char_type('D', 'white')
   Fail: (231) [system] char_type('D', 'white')
   Call: (231) [system] char_type('D', end_of_line)
   Fail: (231) [system] char_type('D', end_of_line)
   Call: (231) [system] char_type('D', space)
   Fail: (231) [system] char_type('D', space)
   Call: (231) [system] char_type('D', cntrl)
   Fail: (231) [system] char_type('D', cntrl)
^  Fail: (230) [user] is_like_space('D')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1639808)
   Exit: (228) [system] peek_char((0x55772f068e50), 'D')
   Call: (228) [system] 'D'=')'
   Fail: (228) [system] 'D'=')'
   Call: (228) [system] 'D'=end_of_file
   Fail: (228) [system] 'D'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x55772f068e50), _1645378)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1647236)
   Exit: (230) [system] peek_char((0x55772f068e50), 'D')
   Call: (230) [system] 'D'=(;)
   Fail: (230) [system] 'D'=(;)
   Call: (230) [system] 'D'=(/)
   Fail: (230) [system] 'D'=(/)
^  Call: (230) [user] is_like_space('D')
   Call: (231) [system] char_type('D', 'white')
   Fail: (231) [system] char_type('D', 'white')
   Call: (231) [system] char_type('D', end_of_line)
   Fail: (231) [system] char_type('D', end_of_line)
   Call: (231) [system] char_type('D', space)
   Fail: (231) [system] char_type('D', space)
   Call: (231) [system] char_type('D', cntrl)
   Fail: (231) [system] char_type('D', cntrl)
^  Fail: (230) [user] is_like_space('D')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] get_char((0x55772f068e50), _1663246)
   Exit: (229) [system] get_char((0x55772f068e50), 'D')
   Call: (229) [system] 'D'='('
   Fail: (229) [system] 'D'='('
   Call: (229) [system] 'D'='['
   Fail: (229) [system] 'D'='['
   Call: (229) [system] 'D'='{'
   Fail: (229) [system] 'D'='{'
   Call: (229) [system] 'D'='"'
   Fail: (229) [system] 'D'='"'
   Call: (229) [system] 'D'=!
   Fail: (229) [system] 'D'=!
   Call: (229) [system] 'D'='\''
   Fail: (229) [system] 'D'='\''
   Call: (229) [system] 'D'='`'
   Fail: (229) [system] 'D'='`'
   Call: (229) [system] 'D'=end_of_file
   Fail: (229) [system] 'D'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x55772f068e50), 'D', _1645378)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1680888)
   Call: (231) [system] peek_char((0x55772f068e50), _1681822)
   Exit: (231) [system] peek_char((0x55772f068e50), ')')
^  Call: (231) [user] is_delimiter(')')
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] arg(_1686542, v('(', ')', end_of_file), ')')
   Exit: (232) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (231) [user] is_delimiter(')')
   Call: (231) [system] _1680888=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (230) [user] classify_and_convert_charseq(['D'], _1645378)
^  Call: (231) [user] classify_and_convert_charseq_(['D'], _1692978)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1693930, _1693932), once(user:catch(read_from_chars(['D'], _1692978), _1693912, fail)), '$restore_trace'(_1693930, _1693932))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1693930, _1693932))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1692978), _1693912, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_1692978)
   Fail: (232) [system] atomic(_1692978)
   Call: (232) [system] atom_chars(_1692978, ['D'])
   Exit: (232) [system] atom_chars('D', ['D'])
^  Exit: (231) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (231) [system] integer('D')
   Fail: (231) [system] integer('D')
   Call: (231) [system] _1645378='D'
   Exit: (231) [system] 'D'='D'
^  Exit: (230) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (229) [user] read_symbolic(')', (0x55772f068e50), 'D', 'D')
^  Exit: (228) [user] cont_sexpr(')', (0x55772f068e50), 'D')
^  Call: (228) [user] read_list(')', (0x55772f068e50), _1707928)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1709786)
   Exit: (230) [system] peek_char((0x55772f068e50), ')')
   Call: (230) [system] ')'=(;)
   Fail: (230) [system] ')'=(;)
   Call: (230) [system] ')'=(/)
   Fail: (230) [system] ')'=(/)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Fail: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Fail: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
   Fail: (231) [system] char_type(')', cntrl)
^  Fail: (230) [user] is_like_space(')')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1725796)
   Exit: (229) [system] peek_char((0x55772f068e50), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x55772f068e50), _1729586)
   Exit: (229) [system] get_char((0x55772f068e50), ')')
   Call: (229) [system] _1707928=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x55772f068e50), [])
   Call: (228) [system] _1608718=['D']
   Exit: (228) [system] ['D']=['D']
^  Exit: (227) [user] read_list(')', (0x55772f068e50), ['D'])
   Call: (227) [system] _1511380=['C', 'D']
   Exit: (227) [system] ['C', 'D']=['C', 'D']
^  Exit: (226) [user] read_list(')', (0x55772f068e50), ['C', 'D'])
   Call: (226) [system] _1322034=['OrLink', 'C', 'D']
   Exit: (226) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (225) [user] read_list(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Exit: (224) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Call: (224) [user] read_list(')', (0x55772f068e50), _1743468)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1745326)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x55772f068e50), _1754920)
   Exit: (226) [system] get_char((0x55772f068e50), ' ')
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1757624)
   Exit: (227) [system] peek_char((0x55772f068e50), 'E')
   Call: (227) [system] 'E'=(;)
   Fail: (227) [system] 'E'=(;)
   Call: (227) [system] 'E'=(/)
   Fail: (227) [system] 'E'=(/)
^  Call: (227) [user] is_like_space('E')
   Call: (228) [system] char_type('E', 'white')
   Fail: (228) [system] char_type('E', 'white')
   Call: (228) [system] char_type('E', end_of_line)
   Fail: (228) [system] char_type('E', end_of_line)
   Call: (228) [system] char_type('E', space)
   Fail: (228) [system] char_type('E', space)
   Call: (228) [system] char_type('E', cntrl)
   Fail: (228) [system] char_type('E', cntrl)
^  Fail: (227) [user] is_like_space('E')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1774558)
   Exit: (225) [system] peek_char((0x55772f068e50), 'E')
   Call: (225) [system] 'E'=')'
   Fail: (225) [system] 'E'=')'
   Call: (225) [system] 'E'=end_of_file
   Fail: (225) [system] 'E'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x55772f068e50), _1780128)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1781986)
   Exit: (227) [system] peek_char((0x55772f068e50), 'E')
   Call: (227) [system] 'E'=(;)
   Fail: (227) [system] 'E'=(;)
   Call: (227) [system] 'E'=(/)
   Fail: (227) [system] 'E'=(/)
^  Call: (227) [user] is_like_space('E')
   Call: (228) [system] char_type('E', 'white')
   Fail: (228) [system] char_type('E', 'white')
   Call: (228) [system] char_type('E', end_of_line)
   Fail: (228) [system] char_type('E', end_of_line)
   Call: (228) [system] char_type('E', space)
   Fail: (228) [system] char_type('E', space)
   Call: (228) [system] char_type('E', cntrl)
   Fail: (228) [system] char_type('E', cntrl)
^  Fail: (227) [user] is_like_space('E')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] get_char((0x55772f068e50), _1797996)
   Exit: (226) [system] get_char((0x55772f068e50), 'E')
   Call: (226) [system] 'E'='('
   Fail: (226) [system] 'E'='('
   Call: (226) [system] 'E'='['
   Fail: (226) [system] 'E'='['
   Call: (226) [system] 'E'='{'
   Fail: (226) [system] 'E'='{'
   Call: (226) [system] 'E'='"'
   Fail: (226) [system] 'E'='"'
   Call: (226) [system] 'E'=!
   Fail: (226) [system] 'E'=!
   Call: (226) [system] 'E'='\''
   Fail: (226) [system] 'E'='\''
   Call: (226) [system] 'E'='`'
   Fail: (226) [system] 'E'='`'
   Call: (226) [system] 'E'=end_of_file
   Fail: (226) [system] 'E'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x55772f068e50), 'E', _1780128)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1815638)
   Call: (228) [system] peek_char((0x55772f068e50), _1816572)
   Exit: (228) [system] peek_char((0x55772f068e50), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_1821292, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _1815638=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (227) [user] classify_and_convert_charseq(['E'], _1780128)
^  Call: (228) [user] classify_and_convert_charseq_(['E'], _1827728)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1828680, _1828682), once(user:catch(read_from_chars(['E'], _1827728), _1828662, fail)), '$restore_trace'(_1828680, _1828682))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1828680, _1828682))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1827728), _1828662, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1827728)
   Fail: (229) [system] atomic(_1827728)
   Call: (229) [system] atom_chars(_1827728, ['E'])
   Exit: (229) [system] atom_chars('E', ['E'])
^  Exit: (228) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (228) [system] integer('E')
   Fail: (228) [system] integer('E')
   Call: (228) [system] _1780128='E'
   Exit: (228) [system] 'E'='E'
^  Exit: (227) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (226) [user] read_symbolic(')', (0x55772f068e50), 'E', 'E')
^  Exit: (225) [user] cont_sexpr(')', (0x55772f068e50), 'E')
^  Call: (225) [user] read_list(')', (0x55772f068e50), _1842678)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1844536)
   Exit: (227) [system] peek_char((0x55772f068e50), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
   Call: (227) [system] ')'=(/)
   Fail: (227) [system] ')'=(/)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1860546)
   Exit: (226) [system] peek_char((0x55772f068e50), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x55772f068e50), _1864336)
   Exit: (226) [system] get_char((0x55772f068e50), ')')
   Call: (226) [system] _1842678=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x55772f068e50), [])
   Call: (225) [system] _1743468=['E']
   Exit: (225) [system] ['E']=['E']
^  Exit: (224) [user] read_list(')', (0x55772f068e50), ['E'])
   Call: (224) [system] _1285374=[['OrLink', 'C', 'D'], 'E']
   Exit: (224) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (223) [user] read_list(')', (0x55772f068e50), [['OrLink', 'C', 'D'], 'E'])
   Call: (223) [system] _1012378=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (223) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (222) [user] read_list(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (221) [user] read_list(')', (0x55772f068e50), _1878218)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1880076)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x55772f068e50), _1889670)
   Exit: (223) [system] get_char((0x55772f068e50), ' ')
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1892374)
   Exit: (224) [system] peek_char((0x55772f068e50), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1909308)
   Exit: (222) [system] peek_char((0x55772f068e50), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _1914878)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1916736)
   Exit: (224) [system] peek_char((0x55772f068e50), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _1932746)
   Exit: (223) [system] get_char((0x55772f068e50), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x55772f068e50), _1914878)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1938316)
   Exit: (225) [system] peek_char((0x55772f068e50), 'I')
   Call: (225) [system] 'I'=(;)
   Fail: (225) [system] 'I'=(;)
   Call: (225) [system] 'I'=(/)
   Fail: (225) [system] 'I'=(/)
^  Call: (225) [user] is_like_space('I')
   Call: (226) [system] char_type('I', 'white')
   Fail: (226) [system] char_type('I', 'white')
   Call: (226) [system] char_type('I', end_of_line)
   Fail: (226) [system] char_type('I', end_of_line)
   Call: (226) [system] char_type('I', space)
   Fail: (226) [system] char_type('I', space)
   Call: (226) [system] char_type('I', cntrl)
   Fail: (226) [system] char_type('I', cntrl)
^  Fail: (225) [user] is_like_space('I')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1954326)
   Exit: (224) [system] peek_char((0x55772f068e50), 'I')
   Call: (224) [system] 'I'=')'
   Fail: (224) [system] 'I'=')'
   Call: (224) [system] 'I'=end_of_file
   Fail: (224) [system] 'I'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x55772f068e50), _1959896)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1961754)
   Exit: (226) [system] peek_char((0x55772f068e50), 'I')
   Call: (226) [system] 'I'=(;)
   Fail: (226) [system] 'I'=(;)
   Call: (226) [system] 'I'=(/)
   Fail: (226) [system] 'I'=(/)
^  Call: (226) [user] is_like_space('I')
   Call: (227) [system] char_type('I', 'white')
   Fail: (227) [system] char_type('I', 'white')
   Call: (227) [system] char_type('I', end_of_line)
   Fail: (227) [system] char_type('I', end_of_line)
   Call: (227) [system] char_type('I', space)
   Fail: (227) [system] char_type('I', space)
   Call: (227) [system] char_type('I', cntrl)
   Fail: (227) [system] char_type('I', cntrl)
^  Fail: (226) [user] is_like_space('I')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] get_char((0x55772f068e50), _1977764)
   Exit: (225) [system] get_char((0x55772f068e50), 'I')
   Call: (225) [system] 'I'='('
   Fail: (225) [system] 'I'='('
   Call: (225) [system] 'I'='['
   Fail: (225) [system] 'I'='['
   Call: (225) [system] 'I'='{'
   Fail: (225) [system] 'I'='{'
   Call: (225) [system] 'I'='"'
   Fail: (225) [system] 'I'='"'
   Call: (225) [system] 'I'=!
   Fail: (225) [system] 'I'=!
   Call: (225) [system] 'I'='\''
   Fail: (225) [system] 'I'='\''
   Call: (225) [system] 'I'='`'
   Fail: (225) [system] 'I'='`'
   Call: (225) [system] 'I'=end_of_file
   Fail: (225) [system] 'I'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x55772f068e50), 'I', _1959896)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1995406)
   Call: (227) [system] peek_char((0x55772f068e50), _1996340)
   Exit: (227) [system] peek_char((0x55772f068e50), m)
^  Call: (227) [user] is_delimiter(m)
   Call: (228) [system] char_type(m, space)
   Fail: (228) [system] char_type(m, space)
   Call: (228) [system] arg(_2001060, v('(', ')', end_of_file), m)
   Fail: (228) [system] arg(_2001992, v('(', ')', end_of_file), m)
^  Fail: (227) [user] is_delimiter(m)
   Call: (227) [system] ')'==m
   Fail: (227) [system] ')'==m
   Call: (227) [system] get_char((0x55772f068e50), m)
   Exit: (227) [system] get_char((0x55772f068e50), m)
   Call: (227) [system] m=(\)
   Fail: (227) [system] m=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _2009342)
   Call: (228) [system] peek_char((0x55772f068e50), _2010276)
   Exit: (228) [system] peek_char((0x55772f068e50), p)
^  Call: (228) [user] is_delimiter(p)
   Call: (229) [system] char_type(p, space)
   Fail: (229) [system] char_type(p, space)
   Call: (229) [system] arg(_2014996, v('(', ')', end_of_file), p)
   Fail: (229) [system] arg(_2015928, v('(', ')', end_of_file), p)
^  Fail: (228) [user] is_delimiter(p)
   Call: (228) [system] ')'==p
   Fail: (228) [system] ')'==p
   Call: (228) [system] get_char((0x55772f068e50), p)
   Exit: (228) [system] get_char((0x55772f068e50), p)
   Call: (228) [system] p=(\)
   Fail: (228) [system] p=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _2023278)
   Call: (229) [system] peek_char((0x55772f068e50), _2024212)
   Exit: (229) [system] peek_char((0x55772f068e50), l)
^  Call: (229) [user] is_delimiter(l)
   Call: (230) [system] char_type(l, space)
   Fail: (230) [system] char_type(l, space)
   Call: (230) [system] arg(_2028932, v('(', ')', end_of_file), l)
   Fail: (230) [system] arg(_2029864, v('(', ')', end_of_file), l)
^  Fail: (229) [user] is_delimiter(l)
   Call: (229) [system] ')'==l
   Fail: (229) [system] ')'==l
   Call: (229) [system] get_char((0x55772f068e50), l)
   Exit: (229) [system] get_char((0x55772f068e50), l)
   Call: (229) [system] l=(\)
   Fail: (229) [system] l=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _2037214)
   Call: (230) [system] peek_char((0x55772f068e50), _2038148)
   Exit: (230) [system] peek_char((0x55772f068e50), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_2042868, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_2043800, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x55772f068e50), i)
   Exit: (230) [system] get_char((0x55772f068e50), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _2051150)
   Call: (231) [system] peek_char((0x55772f068e50), _2052084)
   Exit: (231) [system] peek_char((0x55772f068e50), c)
^  Call: (231) [user] is_delimiter(c)
   Call: (232) [system] char_type(c, space)
   Fail: (232) [system] char_type(c, space)
   Call: (232) [system] arg(_2056804, v('(', ')', end_of_file), c)
   Fail: (232) [system] arg(_2057736, v('(', ')', end_of_file), c)
^  Fail: (231) [user] is_delimiter(c)
   Call: (231) [system] ')'==c
   Fail: (231) [system] ')'==c
   Call: (231) [system] get_char((0x55772f068e50), c)
   Exit: (231) [system] get_char((0x55772f068e50), c)
   Call: (231) [system] c=(\)
   Fail: (231) [system] c=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _2065086)
   Call: (232) [system] peek_char((0x55772f068e50), _2066020)
   Exit: (232) [system] peek_char((0x55772f068e50), a)
^  Call: (232) [user] is_delimiter(a)
   Call: (233) [system] char_type(a, space)
   Fail: (233) [system] char_type(a, space)
   Call: (233) [system] arg(_2070740, v('(', ')', end_of_file), a)
   Fail: (233) [system] arg(_2071672, v('(', ')', end_of_file), a)
^  Fail: (232) [user] is_delimiter(a)
   Call: (232) [system] ')'==a
   Fail: (232) [system] ')'==a
   Call: (232) [system] get_char((0x55772f068e50), a)
   Exit: (232) [system] get_char((0x55772f068e50), a)
   Call: (232) [system] a=(\)
   Fail: (232) [system] a=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _2079022)
   Call: (233) [system] peek_char((0x55772f068e50), _2079956)
   Exit: (233) [system] peek_char((0x55772f068e50), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Fail: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_2084676, v('(', ')', end_of_file), t)
   Fail: (234) [system] arg(_2085608, v('(', ')', end_of_file), t)
^  Fail: (233) [user] is_delimiter(t)
   Call: (233) [system] ')'==t
   Fail: (233) [system] ')'==t
   Call: (233) [system] get_char((0x55772f068e50), t)
   Exit: (233) [system] get_char((0x55772f068e50), t)
   Call: (233) [system] t=(\)
   Fail: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _2092958)
   Call: (234) [system] peek_char((0x55772f068e50), _2093892)
   Exit: (234) [system] peek_char((0x55772f068e50), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_7504, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_8436, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x55772f068e50), i)
   Exit: (234) [system] get_char((0x55772f068e50), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _15786)
   Call: (235) [system] peek_char((0x55772f068e50), _16720)
   Exit: (235) [system] peek_char((0x55772f068e50), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Fail: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_21440, v('(', ')', end_of_file), o)
   Fail: (236) [system] arg(_22372, v('(', ')', end_of_file), o)
^  Fail: (235) [user] is_delimiter(o)
   Call: (235) [system] ')'==o
   Fail: (235) [system] ')'==o
   Call: (235) [system] get_char((0x55772f068e50), o)
   Exit: (235) [system] get_char((0x55772f068e50), o)
   Call: (235) [system] o=(\)
   Fail: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _29722)
   Call: (236) [system] peek_char((0x55772f068e50), _30656)
   Exit: (236) [system] peek_char((0x55772f068e50), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_35376, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_36308, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x55772f068e50), n)
   Exit: (236) [system] get_char((0x55772f068e50), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _43658)
   Call: (237) [system] peek_char((0x55772f068e50), _44592)
   Exit: (237) [system] peek_char((0x55772f068e50), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _43658=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (236) [system] _29722=[n]
   Exit: (236) [system] [n]=[n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (235) [system] _15786=[o, n]
   Exit: (235) [system] [o, n]=[o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (234) [system] _5742=[i, o, n]
   Exit: (234) [system] [i, o, n]=[i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (233) [system] _5738=[t, i, o, n]
   Exit: (233) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (232) [system] _5734=[a, t, i, o, n]
   Exit: (232) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (231) [system] _5730=[c, a, t, i, o, n]
   Exit: (231) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (230) [system] _5726=[i, c, a, t, i, o, n]
   Exit: (230) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (229) [system] _5722=[l, i, c, a, t, i, o, n]
   Exit: (229) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (228) [system] _5718=[p, l, i, c, a, t, i, o, n]
   Exit: (228) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (227) [system] _5714=[m, p, l, i, c, a, t, i, o, n]
   Exit: (227) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (226) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _5710)
^  Call: (227) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _81816)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_82768, _82770), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _81816), _82750, fail)), '$restore_trace'(_82768, _82770))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_82768, _82770))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _81816), _82750, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_81816)
   Fail: (228) [system] atomic(_81816)
   Call: (228) [system] atom_chars(_81816, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (228) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (227) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (227) [system] integer('Implication')
   Fail: (227) [system] integer('Implication')
   Call: (227) [system] _5710='Implication'
   Exit: (227) [system] 'Implication'='Implication'
^  Exit: (226) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (225) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (224) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (224) [user] read_list(')', (0x55772f068e50), _96766)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _98624)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x55772f068e50), _108218)
   Exit: (226) [system] get_char((0x55772f068e50), ' ')
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _110922)
   Exit: (227) [system] peek_char((0x55772f068e50), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _127856)
   Exit: (225) [system] peek_char((0x55772f068e50), '(')
   Call: (225) [system] '('=')'
   Fail: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
   Fail: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x55772f068e50), _133426)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _135284)
   Exit: (227) [system] peek_char((0x55772f068e50), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] get_char((0x55772f068e50), _151294)
   Exit: (226) [system] get_char((0x55772f068e50), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x55772f068e50), _133426)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _156864)
   Exit: (228) [system] peek_char((0x55772f068e50), 'A')
   Call: (228) [system] 'A'=(;)
   Fail: (228) [system] 'A'=(;)
   Call: (228) [system] 'A'=(/)
   Fail: (228) [system] 'A'=(/)
^  Call: (228) [user] is_like_space('A')
   Call: (229) [system] char_type('A', 'white')
   Fail: (229) [system] char_type('A', 'white')
   Call: (229) [system] char_type('A', end_of_line)
   Fail: (229) [system] char_type('A', end_of_line)
   Call: (229) [system] char_type('A', space)
   Fail: (229) [system] char_type('A', space)
   Call: (229) [system] char_type('A', cntrl)
   Fail: (229) [system] char_type('A', cntrl)
^  Fail: (228) [user] is_like_space('A')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _172874)
   Exit: (227) [system] peek_char((0x55772f068e50), 'A')
   Call: (227) [system] 'A'=')'
   Fail: (227) [system] 'A'=')'
   Call: (227) [system] 'A'=end_of_file
   Fail: (227) [system] 'A'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x55772f068e50), _178444)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _180302)
   Exit: (229) [system] peek_char((0x55772f068e50), 'A')
   Call: (229) [system] 'A'=(;)
   Fail: (229) [system] 'A'=(;)
   Call: (229) [system] 'A'=(/)
   Fail: (229) [system] 'A'=(/)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Fail: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Fail: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Fail: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
   Fail: (230) [system] char_type('A', cntrl)
^  Fail: (229) [user] is_like_space('A')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] get_char((0x55772f068e50), _196312)
   Exit: (228) [system] get_char((0x55772f068e50), 'A')
   Call: (228) [system] 'A'='('
   Fail: (228) [system] 'A'='('
   Call: (228) [system] 'A'='['
   Fail: (228) [system] 'A'='['
   Call: (228) [system] 'A'='{'
   Fail: (228) [system] 'A'='{'
   Call: (228) [system] 'A'='"'
   Fail: (228) [system] 'A'='"'
   Call: (228) [system] 'A'=!
   Fail: (228) [system] 'A'=!
   Call: (228) [system] 'A'='\''
   Fail: (228) [system] 'A'='\''
   Call: (228) [system] 'A'='`'
   Fail: (228) [system] 'A'='`'
   Call: (228) [system] 'A'=end_of_file
   Fail: (228) [system] 'A'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x55772f068e50), 'A', _178444)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _213954)
   Call: (230) [system] peek_char((0x55772f068e50), _214888)
   Exit: (230) [system] peek_char((0x55772f068e50), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_219608, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_220540, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x55772f068e50), n)
   Exit: (230) [system] get_char((0x55772f068e50), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _227890)
   Call: (231) [system] peek_char((0x55772f068e50), _228824)
   Exit: (231) [system] peek_char((0x55772f068e50), d)
^  Call: (231) [user] is_delimiter(d)
   Call: (232) [system] char_type(d, space)
   Fail: (232) [system] char_type(d, space)
   Call: (232) [system] arg(_233544, v('(', ')', end_of_file), d)
   Fail: (232) [system] arg(_234476, v('(', ')', end_of_file), d)
^  Fail: (231) [user] is_delimiter(d)
   Call: (231) [system] ')'==d
   Fail: (231) [system] ')'==d
   Call: (231) [system] get_char((0x55772f068e50), d)
   Exit: (231) [system] get_char((0x55772f068e50), d)
   Call: (231) [system] d=(\)
   Fail: (231) [system] d=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _241826)
   Call: (232) [system] peek_char((0x55772f068e50), _242760)
   Exit: (232) [system] peek_char((0x55772f068e50), 'L')
^  Call: (232) [user] is_delimiter('L')
   Call: (233) [system] char_type('L', space)
   Fail: (233) [system] char_type('L', space)
   Call: (233) [system] arg(_247480, v('(', ')', end_of_file), 'L')
   Fail: (233) [system] arg(_248412, v('(', ')', end_of_file), 'L')
^  Fail: (232) [user] is_delimiter('L')
   Call: (232) [system] ')'=='L'
   Fail: (232) [system] ')'=='L'
   Call: (232) [system] get_char((0x55772f068e50), 'L')
   Exit: (232) [system] get_char((0x55772f068e50), 'L')
   Call: (232) [system] 'L'=(\)
   Fail: (232) [system] 'L'=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _255762)
   Call: (233) [system] peek_char((0x55772f068e50), _256696)
   Exit: (233) [system] peek_char((0x55772f068e50), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_261416, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_262348, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x55772f068e50), i)
   Exit: (233) [system] get_char((0x55772f068e50), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _269698)
   Call: (234) [system] peek_char((0x55772f068e50), _270632)
   Exit: (234) [system] peek_char((0x55772f068e50), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_275352, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_276284, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x55772f068e50), n)
   Exit: (234) [system] get_char((0x55772f068e50), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _283634)
   Call: (235) [system] peek_char((0x55772f068e50), _284568)
   Exit: (235) [system] peek_char((0x55772f068e50), k)
^  Call: (235) [user] is_delimiter(k)
   Call: (236) [system] char_type(k, space)
   Fail: (236) [system] char_type(k, space)
   Call: (236) [system] arg(_289288, v('(', ')', end_of_file), k)
   Fail: (236) [system] arg(_290220, v('(', ')', end_of_file), k)
^  Fail: (235) [user] is_delimiter(k)
   Call: (235) [system] ')'==k
   Fail: (235) [system] ')'==k
   Call: (235) [system] get_char((0x55772f068e50), k)
   Exit: (235) [system] get_char((0x55772f068e50), k)
   Call: (235) [system] k=(\)
   Fail: (235) [system] k=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _297570)
   Call: (236) [system] peek_char((0x55772f068e50), _298504)
   Exit: (236) [system] peek_char((0x55772f068e50), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _297570=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (235) [system] _283634=[k]
   Exit: (235) [system] [k]=[k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (234) [system] _269698=[n, k]
   Exit: (234) [system] [n, k]=[n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (233) [system] _255762=[i, n, k]
   Exit: (233) [system] [i, n, k]=[i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (232) [system] _241826=['L', i, n, k]
   Exit: (232) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (231) [system] _227890=[d, 'L', i, n, k]
   Exit: (231) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (230) [system] _213954=[n, d, 'L', i, n, k]
   Exit: (230) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (229) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _178444)
^  Call: (230) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _324552)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_325504, _325506), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _324552), _325486, fail)), '$restore_trace'(_325504, _325506))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_325504, _325506))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _324552), _325486, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_324552)
   Fail: (231) [system] atomic(_324552)
   Call: (231) [system] atom_chars(_324552, ['A', n, d, 'L', i, n, k])
   Exit: (231) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (230) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (230) [system] integer('AndLink')
   Fail: (230) [system] integer('AndLink')
   Call: (230) [system] _178444='AndLink'
   Exit: (230) [system] 'AndLink'='AndLink'
^  Exit: (229) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (228) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (227) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (227) [user] read_list(')', (0x55772f068e50), _339502)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _341360)
   Exit: (229) [system] peek_char((0x55772f068e50), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x55772f068e50), _350954)
   Exit: (229) [system] get_char((0x55772f068e50), ' ')
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _353658)
   Exit: (230) [system] peek_char((0x55772f068e50), 'A')
   Call: (230) [system] 'A'=(;)
   Fail: (230) [system] 'A'=(;)
   Call: (230) [system] 'A'=(/)
   Fail: (230) [system] 'A'=(/)
^  Call: (230) [user] is_like_space('A')
   Call: (231) [system] char_type('A', 'white')
   Fail: (231) [system] char_type('A', 'white')
   Call: (231) [system] char_type('A', end_of_line)
   Fail: (231) [system] char_type('A', end_of_line)
   Call: (231) [system] char_type('A', space)
   Fail: (231) [system] char_type('A', space)
   Call: (231) [system] char_type('A', cntrl)
   Fail: (231) [system] char_type('A', cntrl)
^  Fail: (230) [user] is_like_space('A')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _370592)
   Exit: (228) [system] peek_char((0x55772f068e50), 'A')
   Call: (228) [system] 'A'=')'
   Fail: (228) [system] 'A'=')'
   Call: (228) [system] 'A'=end_of_file
   Fail: (228) [system] 'A'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x55772f068e50), _376162)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _378020)
   Exit: (230) [system] peek_char((0x55772f068e50), 'A')
   Call: (230) [system] 'A'=(;)
   Fail: (230) [system] 'A'=(;)
   Call: (230) [system] 'A'=(/)
   Fail: (230) [system] 'A'=(/)
^  Call: (230) [user] is_like_space('A')
   Call: (231) [system] char_type('A', 'white')
   Fail: (231) [system] char_type('A', 'white')
   Call: (231) [system] char_type('A', end_of_line)
   Fail: (231) [system] char_type('A', end_of_line)
   Call: (231) [system] char_type('A', space)
   Fail: (231) [system] char_type('A', space)
   Call: (231) [system] char_type('A', cntrl)
   Fail: (231) [system] char_type('A', cntrl)
^  Fail: (230) [user] is_like_space('A')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] get_char((0x55772f068e50), _394030)
   Exit: (229) [system] get_char((0x55772f068e50), 'A')
   Call: (229) [system] 'A'='('
   Fail: (229) [system] 'A'='('
   Call: (229) [system] 'A'='['
   Fail: (229) [system] 'A'='['
   Call: (229) [system] 'A'='{'
   Fail: (229) [system] 'A'='{'
   Call: (229) [system] 'A'='"'
   Fail: (229) [system] 'A'='"'
   Call: (229) [system] 'A'=!
   Fail: (229) [system] 'A'=!
   Call: (229) [system] 'A'='\''
   Fail: (229) [system] 'A'='\''
   Call: (229) [system] 'A'='`'
   Fail: (229) [system] 'A'='`'
   Call: (229) [system] 'A'=end_of_file
   Fail: (229) [system] 'A'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x55772f068e50), 'A', _376162)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _411672)
   Call: (231) [system] peek_char((0x55772f068e50), _412606)
   Exit: (231) [system] peek_char((0x55772f068e50), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _411672=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (230) [user] classify_and_convert_charseq(['A'], _376162)
^  Call: (231) [user] classify_and_convert_charseq_(['A'], _421890)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_422842, _422844), once(user:catch(read_from_chars(['A'], _421890), _422824, fail)), '$restore_trace'(_422842, _422844))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_422842, _422844))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _421890), _422824, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_421890)
   Fail: (232) [system] atomic(_421890)
   Call: (232) [system] atom_chars(_421890, ['A'])
   Exit: (232) [system] atom_chars('A', ['A'])
^  Exit: (231) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (231) [system] integer('A')
   Fail: (231) [system] integer('A')
   Call: (231) [system] _376162='A'
   Exit: (231) [system] 'A'='A'
^  Exit: (230) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (229) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (228) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (228) [user] read_list(')', (0x55772f068e50), _436840)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _438698)
   Exit: (230) [system] peek_char((0x55772f068e50), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
   Call: (230) [system] ' '=(/)
   Fail: (230) [system] ' '=(/)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x55772f068e50), _448292)
   Exit: (230) [system] get_char((0x55772f068e50), ' ')
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _450996)
   Exit: (231) [system] peek_char((0x55772f068e50), 'B')
   Call: (231) [system] 'B'=(;)
   Fail: (231) [system] 'B'=(;)
   Call: (231) [system] 'B'=(/)
   Fail: (231) [system] 'B'=(/)
^  Call: (231) [user] is_like_space('B')
   Call: (232) [system] char_type('B', 'white')
   Fail: (232) [system] char_type('B', 'white')
   Call: (232) [system] char_type('B', end_of_line)
   Fail: (232) [system] char_type('B', end_of_line)
   Call: (232) [system] char_type('B', space)
   Fail: (232) [system] char_type('B', space)
   Call: (232) [system] char_type('B', cntrl)
   Fail: (232) [system] char_type('B', cntrl)
^  Fail: (231) [user] is_like_space('B')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _467930)
   Exit: (229) [system] peek_char((0x55772f068e50), 'B')
   Call: (229) [system] 'B'=')'
   Fail: (229) [system] 'B'=')'
   Call: (229) [system] 'B'=end_of_file
   Fail: (229) [system] 'B'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x55772f068e50), _473500)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _475358)
   Exit: (231) [system] peek_char((0x55772f068e50), 'B')
   Call: (231) [system] 'B'=(;)
   Fail: (231) [system] 'B'=(;)
   Call: (231) [system] 'B'=(/)
   Fail: (231) [system] 'B'=(/)
^  Call: (231) [user] is_like_space('B')
   Call: (232) [system] char_type('B', 'white')
   Fail: (232) [system] char_type('B', 'white')
   Call: (232) [system] char_type('B', end_of_line)
   Fail: (232) [system] char_type('B', end_of_line)
   Call: (232) [system] char_type('B', space)
   Fail: (232) [system] char_type('B', space)
   Call: (232) [system] char_type('B', cntrl)
   Fail: (232) [system] char_type('B', cntrl)
^  Fail: (231) [user] is_like_space('B')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] get_char((0x55772f068e50), _491368)
   Exit: (230) [system] get_char((0x55772f068e50), 'B')
   Call: (230) [system] 'B'='('
   Fail: (230) [system] 'B'='('
   Call: (230) [system] 'B'='['
   Fail: (230) [system] 'B'='['
   Call: (230) [system] 'B'='{'
   Fail: (230) [system] 'B'='{'
   Call: (230) [system] 'B'='"'
   Fail: (230) [system] 'B'='"'
   Call: (230) [system] 'B'=!
   Fail: (230) [system] 'B'=!
   Call: (230) [system] 'B'='\''
   Fail: (230) [system] 'B'='\''
   Call: (230) [system] 'B'='`'
   Fail: (230) [system] 'B'='`'
   Call: (230) [system] 'B'=end_of_file
   Fail: (230) [system] 'B'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x55772f068e50), 'B', _473500)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _509010)
   Call: (232) [system] peek_char((0x55772f068e50), _509944)
   Exit: (232) [system] peek_char((0x55772f068e50), ')')
^  Call: (232) [user] is_delimiter(')')
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] arg(_514664, v('(', ')', end_of_file), ')')
   Exit: (233) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (232) [user] is_delimiter(')')
   Call: (232) [system] _509010=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (231) [user] classify_and_convert_charseq(['B'], _473500)
^  Call: (232) [user] classify_and_convert_charseq_(['B'], _521100)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_522052, _522054), once(user:catch(read_from_chars(['B'], _521100), _522034, fail)), '$restore_trace'(_522052, _522054))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_522052, _522054))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _521100), _522034, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_521100)
   Fail: (233) [system] atomic(_521100)
   Call: (233) [system] atom_chars(_521100, ['B'])
   Exit: (233) [system] atom_chars('B', ['B'])
^  Exit: (232) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (232) [system] integer('B')
   Fail: (232) [system] integer('B')
   Call: (232) [system] _473500='B'
   Exit: (232) [system] 'B'='B'
^  Exit: (231) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (230) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (229) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (229) [user] read_list(')', (0x55772f068e50), _536050)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _537908)
   Exit: (231) [system] peek_char((0x55772f068e50), ')')
   Call: (231) [system] ')'=(;)
   Fail: (231) [system] ')'=(;)
   Call: (231) [system] ')'=(/)
   Fail: (231) [system] ')'=(/)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Fail: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Fail: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
   Fail: (232) [system] char_type(')', cntrl)
^  Fail: (231) [user] is_like_space(')')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _553918)
   Exit: (230) [system] peek_char((0x55772f068e50), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x55772f068e50), _557708)
   Exit: (230) [system] get_char((0x55772f068e50), ')')
   Call: (230) [system] _536050=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x55772f068e50), [])
   Call: (229) [system] _436840=['B']
   Exit: (229) [system] ['B']=['B']
^  Exit: (228) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (228) [system] _339502=['A', 'B']
   Exit: (228) [system] ['A', 'B']=['A', 'B']
^  Exit: (227) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (227) [system] _133426=['AndLink', 'A', 'B']
   Exit: (227) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (226) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (225) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (225) [user] read_list(')', (0x55772f068e50), _571590)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _573448)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x55772f068e50), _583042)
   Exit: (227) [system] get_char((0x55772f068e50), ' ')
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _585746)
   Exit: (228) [system] peek_char((0x55772f068e50), 'C')
   Call: (228) [system] 'C'=(;)
   Fail: (228) [system] 'C'=(;)
   Call: (228) [system] 'C'=(/)
   Fail: (228) [system] 'C'=(/)
^  Call: (228) [user] is_like_space('C')
   Call: (229) [system] char_type('C', 'white')
   Fail: (229) [system] char_type('C', 'white')
   Call: (229) [system] char_type('C', end_of_line)
   Fail: (229) [system] char_type('C', end_of_line)
   Call: (229) [system] char_type('C', space)
   Fail: (229) [system] char_type('C', space)
   Call: (229) [system] char_type('C', cntrl)
   Fail: (229) [system] char_type('C', cntrl)
^  Fail: (228) [user] is_like_space('C')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _602680)
   Exit: (226) [system] peek_char((0x55772f068e50), 'C')
   Call: (226) [system] 'C'=')'
   Fail: (226) [system] 'C'=')'
   Call: (226) [system] 'C'=end_of_file
   Fail: (226) [system] 'C'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x55772f068e50), _608250)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _610108)
   Exit: (228) [system] peek_char((0x55772f068e50), 'C')
   Call: (228) [system] 'C'=(;)
   Fail: (228) [system] 'C'=(;)
   Call: (228) [system] 'C'=(/)
   Fail: (228) [system] 'C'=(/)
^  Call: (228) [user] is_like_space('C')
   Call: (229) [system] char_type('C', 'white')
   Fail: (229) [system] char_type('C', 'white')
   Call: (229) [system] char_type('C', end_of_line)
   Fail: (229) [system] char_type('C', end_of_line)
   Call: (229) [system] char_type('C', space)
   Fail: (229) [system] char_type('C', space)
   Call: (229) [system] char_type('C', cntrl)
   Fail: (229) [system] char_type('C', cntrl)
^  Fail: (228) [user] is_like_space('C')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] get_char((0x55772f068e50), _626118)
   Exit: (227) [system] get_char((0x55772f068e50), 'C')
   Call: (227) [system] 'C'='('
   Fail: (227) [system] 'C'='('
   Call: (227) [system] 'C'='['
   Fail: (227) [system] 'C'='['
   Call: (227) [system] 'C'='{'
   Fail: (227) [system] 'C'='{'
   Call: (227) [system] 'C'='"'
   Fail: (227) [system] 'C'='"'
   Call: (227) [system] 'C'=!
   Fail: (227) [system] 'C'=!
   Call: (227) [system] 'C'='\''
   Fail: (227) [system] 'C'='\''
   Call: (227) [system] 'C'='`'
   Fail: (227) [system] 'C'='`'
   Call: (227) [system] 'C'=end_of_file
   Fail: (227) [system] 'C'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x55772f068e50), 'C', _608250)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _643760)
   Call: (229) [system] peek_char((0x55772f068e50), _644694)
   Exit: (229) [system] peek_char((0x55772f068e50), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_649414, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _643760=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (228) [user] classify_and_convert_charseq(['C'], _608250)
^  Call: (229) [user] classify_and_convert_charseq_(['C'], _655850)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_656802, _656804), once(user:catch(read_from_chars(['C'], _655850), _656784, fail)), '$restore_trace'(_656802, _656804))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_656802, _656804))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _655850), _656784, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_655850)
   Fail: (230) [system] atomic(_655850)
   Call: (230) [system] atom_chars(_655850, ['C'])
   Exit: (230) [system] atom_chars('C', ['C'])
^  Exit: (229) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (229) [system] integer('C')
   Fail: (229) [system] integer('C')
   Call: (229) [system] _608250='C'
   Exit: (229) [system] 'C'='C'
^  Exit: (228) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (227) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (226) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (226) [user] read_list(')', (0x55772f068e50), _670800)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _672658)
   Exit: (228) [system] peek_char((0x55772f068e50), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
   Call: (228) [system] ')'=(/)
   Fail: (228) [system] ')'=(/)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _688668)
   Exit: (227) [system] peek_char((0x55772f068e50), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x55772f068e50), _692458)
   Exit: (227) [system] get_char((0x55772f068e50), ')')
   Call: (227) [system] _670800=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x55772f068e50), [])
   Call: (226) [system] _571590=['C']
   Exit: (226) [system] ['C']=['C']
^  Exit: (225) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (225) [system] _96766=[['AndLink', 'A', 'B'], 'C']
   Exit: (225) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (224) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (224) [system] _5704=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (224) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (223) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (222) [user] read_list(')', (0x55772f068e50), _706340)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _708198)
   Exit: (224) [system] peek_char((0x55772f068e50), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
   Call: (224) [system] ')'=(/)
   Fail: (224) [system] ')'=(/)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _724208)
   Exit: (223) [system] peek_char((0x55772f068e50), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x55772f068e50), _727998)
   Exit: (223) [system] get_char((0x55772f068e50), ')')
   Call: (223) [system] _706340=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x55772f068e50), [])
   Call: (222) [system] _5700=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (222) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (221) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (221) [system] _5658=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (221) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (220) [user] read_list(')', (0x55772f068e50), [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (220) [system] _5650=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (220) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (219) [user] read_list(')', (0x55772f068e50), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (218) [user] read_list(')', (0x55772f068e50), _741880)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _743738)
   Exit: (220) [system] peek_char((0x55772f068e50), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
   Call: (220) [system] ')'=(/)
   Fail: (220) [system] ')'=(/)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _759748)
   Exit: (219) [system] peek_char((0x55772f068e50), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x55772f068e50), _763538)
   Exit: (219) [system] get_char((0x55772f068e50), ')')
   Call: (219) [system] _741880=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x55772f068e50), [])
   Call: (218) [system] _5646=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (218) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (217) [user] read_list(')', (0x55772f068e50), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (217) [system] _5622=[['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (217) [system] [['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (216) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (216) [system] _5614=[:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (216) [system] [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (215) [user] read_list(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (214) [user] read_list(')', (0x55772f068e50), _777420)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _779278)
   Exit: (216) [system] peek_char((0x55772f068e50), '\n')
   Call: (216) [system] '\n'=(;)
   Fail: (216) [system] '\n'=(;)
   Call: (216) [system] '\n'=(/)
   Fail: (216) [system] '\n'=(/)
^  Call: (216) [user] is_like_space('\n')
   Call: (217) [system] char_type('\n', 'white')
   Fail: (217) [system] char_type('\n', 'white')
   Call: (217) [system] char_type('\n', end_of_line)
   Exit: (217) [system] char_type('\n', end_of_line)
^  Exit: (216) [user] is_like_space('\n')
   Call: (216) [system] get_char((0x55772f068e50), _790728)
   Exit: (216) [system] get_char((0x55772f068e50), '\n')
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _793432)
   Exit: (217) [system] peek_char((0x55772f068e50), '\t')
   Call: (217) [system] '\t'=(;)
   Fail: (217) [system] '\t'=(;)
   Call: (217) [system] '\t'=(/)
   Fail: (217) [system] '\t'=(/)
^  Call: (217) [user] is_like_space('\t')
   Call: (218) [system] char_type('\t', 'white')
   Exit: (218) [system] char_type('\t', 'white')
^  Exit: (217) [user] is_like_space('\t')
   Call: (217) [system] get_char((0x55772f068e50), _803026)
   Exit: (217) [system] get_char((0x55772f068e50), '\t')
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _805730)
   Exit: (218) [system] peek_char((0x55772f068e50), '\t')
   Call: (218) [system] '\t'=(;)
   Fail: (218) [system] '\t'=(;)
   Call: (218) [system] '\t'=(/)
   Fail: (218) [system] '\t'=(/)
^  Call: (218) [user] is_like_space('\t')
   Call: (219) [system] char_type('\t', 'white')
   Exit: (219) [system] char_type('\t', 'white')
^  Exit: (218) [user] is_like_space('\t')
   Call: (218) [system] get_char((0x55772f068e50), _815324)
   Exit: (218) [system] get_char((0x55772f068e50), '\t')
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _818028)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x55772f068e50), _827622)
   Exit: (219) [system] get_char((0x55772f068e50), ' ')
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _830326)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _850032)
   Exit: (215) [system] peek_char((0x55772f068e50), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x55772f068e50), _855602)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _857460)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] get_char((0x55772f068e50), _873470)
   Exit: (216) [system] get_char((0x55772f068e50), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x55772f068e50), _855602)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _879040)
   Exit: (218) [system] peek_char((0x55772f068e50), :)
   Call: (218) [system] (:)=(;)
   Fail: (218) [system] (:)=(;)
   Call: (218) [system] (:)=(/)
   Fail: (218) [system] (:)=(/)
^  Call: (218) [user] is_like_space(:)
   Call: (219) [system] char_type(:, 'white')
   Fail: (219) [system] char_type(:, 'white')
   Call: (219) [system] char_type(:, end_of_line)
   Fail: (219) [system] char_type(:, end_of_line)
   Call: (219) [system] char_type(:, space)
   Fail: (219) [system] char_type(:, space)
   Call: (219) [system] char_type(:, cntrl)
   Fail: (219) [system] char_type(:, cntrl)
^  Fail: (218) [user] is_like_space(:)
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _895050)
   Exit: (217) [system] peek_char((0x55772f068e50), :)
   Call: (217) [system] (:)=')'
   Fail: (217) [system] (:)=')'
   Call: (217) [system] (:)=end_of_file
   Fail: (217) [system] (:)=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _900620)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _902478)
   Exit: (219) [system] peek_char((0x55772f068e50), :)
   Call: (219) [system] (:)=(;)
   Fail: (219) [system] (:)=(;)
   Call: (219) [system] (:)=(/)
   Fail: (219) [system] (:)=(/)
^  Call: (219) [user] is_like_space(:)
   Call: (220) [system] char_type(:, 'white')
   Fail: (220) [system] char_type(:, 'white')
   Call: (220) [system] char_type(:, end_of_line)
   Fail: (220) [system] char_type(:, end_of_line)
   Call: (220) [system] char_type(:, space)
   Fail: (220) [system] char_type(:, space)
   Call: (220) [system] char_type(:, cntrl)
   Fail: (220) [system] char_type(:, cntrl)
^  Fail: (219) [user] is_like_space(:)
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _918488)
   Exit: (218) [system] get_char((0x55772f068e50), :)
   Call: (218) [system] (:)='('
   Fail: (218) [system] (:)='('
   Call: (218) [system] (:)='['
   Fail: (218) [system] (:)='['
   Call: (218) [system] (:)='{'
   Fail: (218) [system] (:)='{'
   Call: (218) [system] (:)='"'
   Fail: (218) [system] (:)='"'
   Call: (218) [system] (:)=!
   Fail: (218) [system] (:)=!
   Call: (218) [system] (:)='\''
   Fail: (218) [system] (:)='\''
   Call: (218) [system] (:)='`'
   Fail: (218) [system] (:)='`'
   Call: (218) [system] (:)=end_of_file
   Fail: (218) [system] (:)=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x55772f068e50), :, _900620)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _936130)
   Call: (220) [system] peek_char((0x55772f068e50), _937064)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _936130=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (219) [user] classify_and_convert_charseq([:], _900620)
^  Call: (220) [user] classify_and_convert_charseq_([:], _946348)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_947300, _947302), once(user:catch(read_from_chars([:], _946348), _947282, fail)), '$restore_trace'(_947300, _947302))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_947300, _947302))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _947282, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(:)
   Exit: (221) [system] atomic(:)
^  Exit: (220) [user] classify_and_convert_charseq_([:], :)
   Call: (220) [system] integer(:)
   Fail: (220) [system] integer(:)
   Call: (220) [system] _900620=(:)
   Exit: (220) [system] (:)=(:)
^  Exit: (219) [user] classify_and_convert_charseq([:], :)
^  Exit: (218) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (217) [user] read_list(')', (0x55772f068e50), _959428)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _961286)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x55772f068e50), _970880)
   Exit: (219) [system] get_char((0x55772f068e50), ' ')
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _973584)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _990518)
   Exit: (218) [system] peek_char((0x55772f068e50), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _996088)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _997946)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _1013956)
   Exit: (219) [system] get_char((0x55772f068e50), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x55772f068e50), _996088)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1019526)
   Exit: (221) [system] peek_char((0x55772f068e50), 'D')
   Call: (221) [system] 'D'=(;)
   Fail: (221) [system] 'D'=(;)
   Call: (221) [system] 'D'=(/)
   Fail: (221) [system] 'D'=(/)
^  Call: (221) [user] is_like_space('D')
   Call: (222) [system] char_type('D', 'white')
   Fail: (222) [system] char_type('D', 'white')
   Call: (222) [system] char_type('D', end_of_line)
   Fail: (222) [system] char_type('D', end_of_line)
   Call: (222) [system] char_type('D', space)
   Fail: (222) [system] char_type('D', space)
   Call: (222) [system] char_type('D', cntrl)
   Fail: (222) [system] char_type('D', cntrl)
^  Fail: (221) [user] is_like_space('D')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1035536)
   Exit: (220) [system] peek_char((0x55772f068e50), 'D')
   Call: (220) [system] 'D'=')'
   Fail: (220) [system] 'D'=')'
   Call: (220) [system] 'D'=end_of_file
   Fail: (220) [system] 'D'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _1041106)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1042964)
   Exit: (222) [system] peek_char((0x55772f068e50), 'D')
   Call: (222) [system] 'D'=(;)
   Fail: (222) [system] 'D'=(;)
   Call: (222) [system] 'D'=(/)
   Fail: (222) [system] 'D'=(/)
^  Call: (222) [user] is_like_space('D')
   Call: (223) [system] char_type('D', 'white')
   Fail: (223) [system] char_type('D', 'white')
   Call: (223) [system] char_type('D', end_of_line)
   Fail: (223) [system] char_type('D', end_of_line)
   Call: (223) [system] char_type('D', space)
   Fail: (223) [system] char_type('D', space)
   Call: (223) [system] char_type('D', cntrl)
   Fail: (223) [system] char_type('D', cntrl)
^  Fail: (222) [user] is_like_space('D')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _1058974)
   Exit: (221) [system] get_char((0x55772f068e50), 'D')
   Call: (221) [system] 'D'='('
   Fail: (221) [system] 'D'='('
   Call: (221) [system] 'D'='['
   Fail: (221) [system] 'D'='['
   Call: (221) [system] 'D'='{'
   Fail: (221) [system] 'D'='{'
   Call: (221) [system] 'D'='"'
   Fail: (221) [system] 'D'='"'
   Call: (221) [system] 'D'=!
   Fail: (221) [system] 'D'=!
   Call: (221) [system] 'D'='\''
   Fail: (221) [system] 'D'='\''
   Call: (221) [system] 'D'='`'
   Fail: (221) [system] 'D'='`'
   Call: (221) [system] 'D'=end_of_file
   Fail: (221) [system] 'D'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x55772f068e50), 'D', _1041106)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1076616)
   Call: (223) [system] peek_char((0x55772f068e50), _1077550)
   Exit: (223) [system] peek_char((0x55772f068e50), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_1082270, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_1083202, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x55772f068e50), i)
   Exit: (223) [system] get_char((0x55772f068e50), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1090552)
   Call: (224) [system] peek_char((0x55772f068e50), _1091486)
   Exit: (224) [system] peek_char((0x55772f068e50), s)
^  Call: (224) [user] is_delimiter(s)
   Call: (225) [system] char_type(s, space)
   Fail: (225) [system] char_type(s, space)
   Call: (225) [system] arg(_1096206, v('(', ')', end_of_file), s)
   Fail: (225) [system] arg(_1097138, v('(', ')', end_of_file), s)
^  Fail: (224) [user] is_delimiter(s)
   Call: (224) [system] ')'==s
   Fail: (224) [system] ')'==s
   Call: (224) [system] get_char((0x55772f068e50), s)
   Exit: (224) [system] get_char((0x55772f068e50), s)
   Call: (224) [system] s=(\)
   Fail: (224) [system] s=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1104488)
   Call: (225) [system] peek_char((0x55772f068e50), _1105422)
   Exit: (225) [system] peek_char((0x55772f068e50), j)
^  Call: (225) [user] is_delimiter(j)
   Call: (226) [system] char_type(j, space)
   Fail: (226) [system] char_type(j, space)
   Call: (226) [system] arg(_1110142, v('(', ')', end_of_file), j)
   Fail: (226) [system] arg(_1111074, v('(', ')', end_of_file), j)
^  Fail: (225) [user] is_delimiter(j)
   Call: (225) [system] ')'==j
   Fail: (225) [system] ')'==j
   Call: (225) [system] get_char((0x55772f068e50), j)
   Exit: (225) [system] get_char((0x55772f068e50), j)
   Call: (225) [system] j=(\)
   Fail: (225) [system] j=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1118424)
   Call: (226) [system] peek_char((0x55772f068e50), _1119358)
   Exit: (226) [system] peek_char((0x55772f068e50), u)
^  Call: (226) [user] is_delimiter(u)
   Call: (227) [system] char_type(u, space)
   Fail: (227) [system] char_type(u, space)
   Call: (227) [system] arg(_1124078, v('(', ')', end_of_file), u)
   Fail: (227) [system] arg(_1125010, v('(', ')', end_of_file), u)
^  Fail: (226) [user] is_delimiter(u)
   Call: (226) [system] ')'==u
   Fail: (226) [system] ')'==u
   Call: (226) [system] get_char((0x55772f068e50), u)
   Exit: (226) [system] get_char((0x55772f068e50), u)
   Call: (226) [system] u=(\)
   Fail: (226) [system] u=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1132360)
   Call: (227) [system] peek_char((0x55772f068e50), _1133294)
   Exit: (227) [system] peek_char((0x55772f068e50), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1138014, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_1138946, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x55772f068e50), n)
   Exit: (227) [system] get_char((0x55772f068e50), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1146296)
   Call: (228) [system] peek_char((0x55772f068e50), _1147230)
   Exit: (228) [system] peek_char((0x55772f068e50), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_1151950, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_1152882, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x55772f068e50), c)
   Exit: (228) [system] get_char((0x55772f068e50), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1160232)
   Call: (229) [system] peek_char((0x55772f068e50), _1161166)
   Exit: (229) [system] peek_char((0x55772f068e50), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_1165886, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_1166818, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x55772f068e50), t)
   Exit: (229) [system] get_char((0x55772f068e50), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1174168)
   Call: (230) [system] peek_char((0x55772f068e50), _1175102)
   Exit: (230) [system] peek_char((0x55772f068e50), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1179822, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_1180754, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x55772f068e50), i)
   Exit: (230) [system] get_char((0x55772f068e50), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1188104)
   Call: (231) [system] peek_char((0x55772f068e50), _1189038)
   Exit: (231) [system] peek_char((0x55772f068e50), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_1193758, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_1194690, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x55772f068e50), o)
   Exit: (231) [system] get_char((0x55772f068e50), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1202040)
   Call: (232) [system] peek_char((0x55772f068e50), _1202974)
   Exit: (232) [system] peek_char((0x55772f068e50), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_1207694, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_1208626, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x55772f068e50), n)
   Exit: (232) [system] get_char((0x55772f068e50), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1215976)
   Call: (233) [system] peek_char((0x55772f068e50), _1216910)
   Exit: (233) [system] peek_char((0x55772f068e50), 'I')
^  Call: (233) [user] is_delimiter('I')
   Call: (234) [system] char_type('I', space)
   Fail: (234) [system] char_type('I', space)
   Call: (234) [system] arg(_1221630, v('(', ')', end_of_file), 'I')
   Fail: (234) [system] arg(_1222562, v('(', ')', end_of_file), 'I')
^  Fail: (233) [user] is_delimiter('I')
   Call: (233) [system] ')'=='I'
   Fail: (233) [system] ')'=='I'
   Call: (233) [system] get_char((0x55772f068e50), 'I')
   Exit: (233) [system] get_char((0x55772f068e50), 'I')
   Call: (233) [system] 'I'=(\)
   Fail: (233) [system] 'I'=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1229912)
   Call: (234) [system] peek_char((0x55772f068e50), _1230846)
   Exit: (234) [system] peek_char((0x55772f068e50), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_1235566, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_1236498, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x55772f068e50), n)
   Exit: (234) [system] get_char((0x55772f068e50), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1243848)
   Call: (235) [system] peek_char((0x55772f068e50), _1244782)
   Exit: (235) [system] peek_char((0x55772f068e50), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Fail: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_1249502, v('(', ')', end_of_file), t)
   Fail: (236) [system] arg(_1250434, v('(', ')', end_of_file), t)
^  Fail: (235) [user] is_delimiter(t)
   Call: (235) [system] ')'==t
   Fail: (235) [system] ')'==t
   Call: (235) [system] get_char((0x55772f068e50), t)
   Exit: (235) [system] get_char((0x55772f068e50), t)
   Call: (235) [system] t=(\)
   Fail: (235) [system] t=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1257784)
   Call: (236) [system] peek_char((0x55772f068e50), _1258718)
   Exit: (236) [system] peek_char((0x55772f068e50), r)
^  Call: (236) [user] is_delimiter(r)
   Call: (237) [system] char_type(r, space)
   Fail: (237) [system] char_type(r, space)
   Call: (237) [system] arg(_1263438, v('(', ')', end_of_file), r)
   Fail: (237) [system] arg(_1264370, v('(', ')', end_of_file), r)
^  Fail: (236) [user] is_delimiter(r)
   Call: (236) [system] ')'==r
   Fail: (236) [system] ')'==r
   Call: (236) [system] get_char((0x55772f068e50), r)
   Exit: (236) [system] get_char((0x55772f068e50), r)
   Call: (236) [system] r=(\)
   Fail: (236) [system] r=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1271720)
   Call: (237) [system] peek_char((0x55772f068e50), _1272654)
   Exit: (237) [system] peek_char((0x55772f068e50), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Fail: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_1277374, v('(', ')', end_of_file), o)
   Fail: (238) [system] arg(_1278306, v('(', ')', end_of_file), o)
^  Fail: (237) [user] is_delimiter(o)
   Call: (237) [system] ')'==o
   Fail: (237) [system] ')'==o
   Call: (237) [system] get_char((0x55772f068e50), o)
   Exit: (237) [system] get_char((0x55772f068e50), o)
   Call: (237) [system] o=(\)
   Fail: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _1285656)
   Call: (238) [system] peek_char((0x55772f068e50), _1286590)
   Exit: (238) [system] peek_char((0x55772f068e50), d)
^  Call: (238) [user] is_delimiter(d)
   Call: (239) [system] char_type(d, space)
   Fail: (239) [system] char_type(d, space)
   Call: (239) [system] arg(_1291310, v('(', ')', end_of_file), d)
   Fail: (239) [system] arg(_1292242, v('(', ')', end_of_file), d)
^  Fail: (238) [user] is_delimiter(d)
   Call: (238) [system] ')'==d
   Fail: (238) [system] ')'==d
   Call: (238) [system] get_char((0x55772f068e50), d)
   Exit: (238) [system] get_char((0x55772f068e50), d)
   Call: (238) [system] d=(\)
   Fail: (238) [system] d=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _1299592)
   Call: (239) [system] peek_char((0x55772f068e50), _1300526)
   Exit: (239) [system] peek_char((0x55772f068e50), u)
^  Call: (239) [user] is_delimiter(u)
   Call: (240) [system] char_type(u, space)
   Fail: (240) [system] char_type(u, space)
   Call: (240) [system] arg(_1305246, v('(', ')', end_of_file), u)
   Fail: (240) [system] arg(_1306178, v('(', ')', end_of_file), u)
^  Fail: (239) [user] is_delimiter(u)
   Call: (239) [system] ')'==u
   Fail: (239) [system] ')'==u
   Call: (239) [system] get_char((0x55772f068e50), u)
   Exit: (239) [system] get_char((0x55772f068e50), u)
   Call: (239) [system] u=(\)
   Fail: (239) [system] u=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _1313528)
   Call: (240) [system] peek_char((0x55772f068e50), _1314462)
   Exit: (240) [system] peek_char((0x55772f068e50), c)
^  Call: (240) [user] is_delimiter(c)
   Call: (241) [system] char_type(c, space)
   Fail: (241) [system] char_type(c, space)
   Call: (241) [system] arg(_1319182, v('(', ')', end_of_file), c)
   Fail: (241) [system] arg(_1320114, v('(', ')', end_of_file), c)
^  Fail: (240) [user] is_delimiter(c)
   Call: (240) [system] ')'==c
   Fail: (240) [system] ')'==c
   Call: (240) [system] get_char((0x55772f068e50), c)
   Exit: (240) [system] get_char((0x55772f068e50), c)
   Call: (240) [system] c=(\)
   Fail: (240) [system] c=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _1327464)
   Call: (241) [system] peek_char((0x55772f068e50), _1328398)
   Exit: (241) [system] peek_char((0x55772f068e50), t)
^  Call: (241) [user] is_delimiter(t)
   Call: (242) [system] char_type(t, space)
   Fail: (242) [system] char_type(t, space)
   Call: (242) [system] arg(_1333118, v('(', ')', end_of_file), t)
   Fail: (242) [system] arg(_1334050, v('(', ')', end_of_file), t)
^  Fail: (241) [user] is_delimiter(t)
   Call: (241) [system] ')'==t
   Fail: (241) [system] ')'==t
   Call: (241) [system] get_char((0x55772f068e50), t)
   Exit: (241) [system] get_char((0x55772f068e50), t)
   Call: (241) [system] t=(\)
   Fail: (241) [system] t=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x55772f068e50), _1341400)
   Call: (242) [system] peek_char((0x55772f068e50), _1342334)
   Exit: (242) [system] peek_char((0x55772f068e50), i)
^  Call: (242) [user] is_delimiter(i)
   Call: (243) [system] char_type(i, space)
   Fail: (243) [system] char_type(i, space)
   Call: (243) [system] arg(_1347054, v('(', ')', end_of_file), i)
   Fail: (243) [system] arg(_1347986, v('(', ')', end_of_file), i)
^  Fail: (242) [user] is_delimiter(i)
   Call: (242) [system] ')'==i
   Fail: (242) [system] ')'==i
   Call: (242) [system] get_char((0x55772f068e50), i)
   Exit: (242) [system] get_char((0x55772f068e50), i)
   Call: (242) [system] i=(\)
   Fail: (242) [system] i=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x55772f068e50), _1355336)
   Call: (243) [system] peek_char((0x55772f068e50), _1356270)
   Exit: (243) [system] peek_char((0x55772f068e50), o)
^  Call: (243) [user] is_delimiter(o)
   Call: (244) [system] char_type(o, space)
   Fail: (244) [system] char_type(o, space)
   Call: (244) [system] arg(_1360990, v('(', ')', end_of_file), o)
   Fail: (244) [system] arg(_1361922, v('(', ')', end_of_file), o)
^  Fail: (243) [user] is_delimiter(o)
   Call: (243) [system] ')'==o
   Fail: (243) [system] ')'==o
   Call: (243) [system] get_char((0x55772f068e50), o)
   Exit: (243) [system] get_char((0x55772f068e50), o)
   Call: (243) [system] o=(\)
   Fail: (243) [system] o=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x55772f068e50), _1369272)
   Call: (244) [system] peek_char((0x55772f068e50), _1370206)
   Exit: (244) [system] peek_char((0x55772f068e50), n)
^  Call: (244) [user] is_delimiter(n)
   Call: (245) [system] char_type(n, space)
   Fail: (245) [system] char_type(n, space)
   Call: (245) [system] arg(_1374926, v('(', ')', end_of_file), n)
   Fail: (245) [system] arg(_1375858, v('(', ')', end_of_file), n)
^  Fail: (244) [user] is_delimiter(n)
   Call: (244) [system] ')'==n
   Fail: (244) [system] ')'==n
   Call: (244) [system] get_char((0x55772f068e50), n)
   Exit: (244) [system] get_char((0x55772f068e50), n)
   Call: (244) [system] n=(\)
   Fail: (244) [system] n=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x55772f068e50), _1383208)
   Call: (245) [system] peek_char((0x55772f068e50), _1384142)
   Exit: (245) [system] peek_char((0x55772f068e50), ' ')
^  Call: (245) [user] is_delimiter(' ')
   Call: (246) [system] char_type(' ', space)
   Exit: (246) [system] char_type(' ', space)
^  Exit: (245) [user] is_delimiter(' ')
   Call: (245) [system] _1383208=[]
   Exit: (245) [system] []=[]
^  Exit: (244) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (244) [system] _1369272=[n]
   Exit: (244) [system] [n]=[n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (243) [system] _1355336=[o, n]
   Exit: (243) [system] [o, n]=[o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (242) [system] _1341400=[i, o, n]
   Exit: (242) [system] [i, o, n]=[i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (241) [system] _1327464=[t, i, o, n]
   Exit: (241) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (240) [system] _1313528=[c, t, i, o, n]
   Exit: (240) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (239) [system] _1299592=[u, c, t, i, o, n]
   Exit: (239) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (238) [system] _1285656=[d, u, c, t, i, o, n]
   Exit: (238) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (237) [system] _1271720=[o, d, u, c, t, i, o, n]
   Exit: (237) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (236) [system] _1257784=[r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1243848=[t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1229912=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1215976=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1202040=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1188104=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1174168=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1160232=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1146296=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1132360=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1118424=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1104488=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1090552=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1076616=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (222) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1041106)
^  Call: (223) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1454894)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1455846, _1455848), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1454894), _1455828, fail)), '$restore_trace'(_1455846, _1455848))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1455846, _1455848))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1454894), _1455828, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1454894)
   Fail: (224) [system] atomic(_1454894)
   Call: (224) [system] atom_chars(_1454894, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (224) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (223) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (223) [system] integer('DisjunctionIntroduction')
   Fail: (223) [system] integer('DisjunctionIntroduction')
   Call: (223) [system] _1041106='DisjunctionIntroduction'
   Exit: (223) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (222) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (221) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (220) [user] read_list(')', (0x55772f068e50), _1469844)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1471702)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x55772f068e50), _1481296)
   Exit: (222) [system] get_char((0x55772f068e50), ' ')
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1484000)
   Exit: (223) [system] peek_char((0x55772f068e50), c)
   Call: (223) [system] c=(;)
   Fail: (223) [system] c=(;)
   Call: (223) [system] c=(/)
   Fail: (223) [system] c=(/)
^  Call: (223) [user] is_like_space(c)
   Call: (224) [system] char_type(c, 'white')
   Fail: (224) [system] char_type(c, 'white')
   Call: (224) [system] char_type(c, end_of_line)
   Fail: (224) [system] char_type(c, end_of_line)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] char_type(c, cntrl)
   Fail: (224) [system] char_type(c, cntrl)
^  Fail: (223) [user] is_like_space(c)
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1500934)
   Exit: (221) [system] peek_char((0x55772f068e50), c)
   Call: (221) [system] c=')'
   Fail: (221) [system] c=')'
   Call: (221) [system] c=end_of_file
   Fail: (221) [system] c=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _1506504)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1508362)
   Exit: (223) [system] peek_char((0x55772f068e50), c)
   Call: (223) [system] c=(;)
   Fail: (223) [system] c=(;)
   Call: (223) [system] c=(/)
   Fail: (223) [system] c=(/)
^  Call: (223) [user] is_like_space(c)
   Call: (224) [system] char_type(c, 'white')
   Fail: (224) [system] char_type(c, 'white')
   Call: (224) [system] char_type(c, end_of_line)
   Fail: (224) [system] char_type(c, end_of_line)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] char_type(c, cntrl)
   Fail: (224) [system] char_type(c, cntrl)
^  Fail: (223) [user] is_like_space(c)
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _1524372)
   Exit: (222) [system] get_char((0x55772f068e50), c)
   Call: (222) [system] c='('
   Fail: (222) [system] c='('
   Call: (222) [system] c='['
   Fail: (222) [system] c='['
   Call: (222) [system] c='{'
   Fail: (222) [system] c='{'
   Call: (222) [system] c='"'
   Fail: (222) [system] c='"'
   Call: (222) [system] c=!
   Fail: (222) [system] c=!
   Call: (222) [system] c='\''
   Fail: (222) [system] c='\''
   Call: (222) [system] c='`'
   Fail: (222) [system] c='`'
   Call: (222) [system] c=end_of_file
   Fail: (222) [system] c=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x55772f068e50), c, _1506504)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1542014)
   Call: (224) [system] peek_char((0x55772f068e50), _1542948)
   Exit: (224) [system] peek_char((0x55772f068e50), d)
^  Call: (224) [user] is_delimiter(d)
   Call: (225) [system] char_type(d, space)
   Fail: (225) [system] char_type(d, space)
   Call: (225) [system] arg(_1547668, v('(', ')', end_of_file), d)
   Fail: (225) [system] arg(_1548600, v('(', ')', end_of_file), d)
^  Fail: (224) [user] is_delimiter(d)
   Call: (224) [system] ')'==d
   Fail: (224) [system] ')'==d
   Call: (224) [system] get_char((0x55772f068e50), d)
   Exit: (224) [system] get_char((0x55772f068e50), d)
   Call: (224) [system] d=(\)
   Fail: (224) [system] d=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1555950)
   Call: (225) [system] peek_char((0x55772f068e50), _1556884)
   Exit: (225) [system] peek_char((0x55772f068e50), e)
^  Call: (225) [user] is_delimiter(e)
   Call: (226) [system] char_type(e, space)
   Fail: (226) [system] char_type(e, space)
   Call: (226) [system] arg(_1561604, v('(', ')', end_of_file), e)
   Fail: (226) [system] arg(_1562536, v('(', ')', end_of_file), e)
^  Fail: (225) [user] is_delimiter(e)
   Call: (225) [system] ')'==e
   Fail: (225) [system] ')'==e
   Call: (225) [system] get_char((0x55772f068e50), e)
   Exit: (225) [system] get_char((0x55772f068e50), e)
   Call: (225) [system] e=(\)
   Fail: (225) [system] e=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1569886)
   Call: (226) [system] peek_char((0x55772f068e50), _1570820)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1569886=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (225) [system] _1555950=[e]
   Exit: (225) [system] [e]=[e]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (224) [system] _1542014=[d, e]
   Exit: (224) [system] [d, e]=[d, e]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [d, e])
^  Call: (223) [user] classify_and_convert_charseq([c, d, e], _1506504)
^  Call: (224) [user] classify_and_convert_charseq_([c, d, e], _1585692)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1586644, _1586646), once(user:catch(read_from_chars([c, d, e], _1585692), _1586626, fail)), '$restore_trace'(_1586644, _1586646))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1586644, _1586646))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1586626, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(cde)
   Exit: (225) [system] atomic(cde)
^  Exit: (224) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (224) [system] integer(cde)
   Fail: (224) [system] integer(cde)
   Call: (224) [system] _1506504=cde
   Exit: (224) [system] cde=cde
^  Exit: (223) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (222) [user] read_symbolic(')', (0x55772f068e50), c, cde)
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), cde)
^  Call: (221) [user] read_list(')', (0x55772f068e50), _1598772)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1600630)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x55772f068e50), _1610224)
   Exit: (223) [system] get_char((0x55772f068e50), ' ')
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1612928)
   Exit: (224) [system] peek_char((0x55772f068e50), c)
   Call: (224) [system] c=(;)
   Fail: (224) [system] c=(;)
   Call: (224) [system] c=(/)
   Fail: (224) [system] c=(/)
^  Call: (224) [user] is_like_space(c)
   Call: (225) [system] char_type(c, 'white')
   Fail: (225) [system] char_type(c, 'white')
   Call: (225) [system] char_type(c, end_of_line)
   Fail: (225) [system] char_type(c, end_of_line)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] char_type(c, cntrl)
   Fail: (225) [system] char_type(c, cntrl)
^  Fail: (224) [user] is_like_space(c)
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1629862)
   Exit: (222) [system] peek_char((0x55772f068e50), c)
   Call: (222) [system] c=')'
   Fail: (222) [system] c=')'
   Call: (222) [system] c=end_of_file
   Fail: (222) [system] c=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _1635432)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1637290)
   Exit: (224) [system] peek_char((0x55772f068e50), c)
   Call: (224) [system] c=(;)
   Fail: (224) [system] c=(;)
   Call: (224) [system] c=(/)
   Fail: (224) [system] c=(/)
^  Call: (224) [user] is_like_space(c)
   Call: (225) [system] char_type(c, 'white')
   Fail: (225) [system] char_type(c, 'white')
   Call: (225) [system] char_type(c, end_of_line)
   Fail: (225) [system] char_type(c, end_of_line)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] char_type(c, cntrl)
   Fail: (225) [system] char_type(c, cntrl)
^  Fail: (224) [user] is_like_space(c)
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _1653300)
   Exit: (223) [system] get_char((0x55772f068e50), c)
   Call: (223) [system] c='('
   Fail: (223) [system] c='('
   Call: (223) [system] c='['
   Fail: (223) [system] c='['
   Call: (223) [system] c='{'
   Fail: (223) [system] c='{'
   Call: (223) [system] c='"'
   Fail: (223) [system] c='"'
   Call: (223) [system] c=!
   Fail: (223) [system] c=!
   Call: (223) [system] c='\''
   Fail: (223) [system] c='\''
   Call: (223) [system] c='`'
   Fail: (223) [system] c='`'
   Call: (223) [system] c=end_of_file
   Fail: (223) [system] c=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x55772f068e50), c, _1635432)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1670942)
   Call: (225) [system] peek_char((0x55772f068e50), _1671876)
   Exit: (225) [system] peek_char((0x55772f068e50), d)
^  Call: (225) [user] is_delimiter(d)
   Call: (226) [system] char_type(d, space)
   Fail: (226) [system] char_type(d, space)
   Call: (226) [system] arg(_1676596, v('(', ')', end_of_file), d)
   Fail: (226) [system] arg(_1677528, v('(', ')', end_of_file), d)
^  Fail: (225) [user] is_delimiter(d)
   Call: (225) [system] ')'==d
   Fail: (225) [system] ')'==d
   Call: (225) [system] get_char((0x55772f068e50), d)
   Exit: (225) [system] get_char((0x55772f068e50), d)
   Call: (225) [system] d=(\)
   Fail: (225) [system] d=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1684878)
   Call: (226) [system] peek_char((0x55772f068e50), _1685812)
   Exit: (226) [system] peek_char((0x55772f068e50), e)
^  Call: (226) [user] is_delimiter(e)
   Call: (227) [system] char_type(e, space)
   Fail: (227) [system] char_type(e, space)
   Call: (227) [system] arg(_1690532, v('(', ')', end_of_file), e)
   Fail: (227) [system] arg(_1691464, v('(', ')', end_of_file), e)
^  Fail: (226) [user] is_delimiter(e)
   Call: (226) [system] ')'==e
   Fail: (226) [system] ')'==e
   Call: (226) [system] get_char((0x55772f068e50), e)
   Exit: (226) [system] get_char((0x55772f068e50), e)
   Call: (226) [system] e=(\)
   Fail: (226) [system] e=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1698814)
   Call: (227) [system] peek_char((0x55772f068e50), _1699748)
   Exit: (227) [system] peek_char((0x55772f068e50), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_1704468, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _1698814=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (226) [system] _1684878=[e]
   Exit: (226) [system] [e]=[e]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (225) [system] _1670942=[d, e]
   Exit: (225) [system] [d, e]=[d, e]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [d, e])
^  Call: (224) [user] classify_and_convert_charseq([c, d, e], _1635432)
^  Call: (225) [user] classify_and_convert_charseq_([c, d, e], _1716492)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1717444, _1717446), once(user:catch(read_from_chars([c, d, e], _1716492), _1717426, fail)), '$restore_trace'(_1717444, _1717446))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1717444, _1717446))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1717426, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(cde)
   Exit: (226) [system] atomic(cde)
^  Exit: (225) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (225) [system] integer(cde)
   Fail: (225) [system] integer(cde)
   Call: (225) [system] _1635432=cde
   Exit: (225) [system] cde=cde
^  Exit: (224) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (223) [user] read_symbolic(')', (0x55772f068e50), c, cde)
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), cde)
^  Call: (222) [user] read_list(')', (0x55772f068e50), _1729572)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1731430)
   Exit: (224) [system] peek_char((0x55772f068e50), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
   Call: (224) [system] ')'=(/)
   Fail: (224) [system] ')'=(/)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1747440)
   Exit: (223) [system] peek_char((0x55772f068e50), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x55772f068e50), _1751230)
   Exit: (223) [system] get_char((0x55772f068e50), ')')
   Call: (223) [system] _1729572=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x55772f068e50), [])
   Call: (222) [system] _1598772=[cde]
   Exit: (222) [system] [cde]=[cde]
^  Exit: (221) [user] read_list(')', (0x55772f068e50), [cde])
   Call: (221) [system] _1469844=[cde, cde]
   Exit: (221) [system] [cde, cde]=[cde, cde]
^  Exit: (220) [user] read_list(')', (0x55772f068e50), [cde, cde])
   Call: (220) [system] _996088=['DisjunctionIntroduction', cde, cde]
   Exit: (220) [system] ['DisjunctionIntroduction', cde, cde]=['DisjunctionIntroduction', cde, cde]
^  Exit: (219) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', cde, cde])
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', cde, cde])
^  Call: (218) [user] read_list(')', (0x55772f068e50), _1765112)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1766970)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x55772f068e50), _1776564)
   Exit: (220) [system] get_char((0x55772f068e50), ' ')
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1779268)
   Exit: (221) [system] peek_char((0x55772f068e50), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1796202)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _1801772)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1803630)
   Exit: (221) [system] peek_char((0x55772f068e50), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _1819640)
   Exit: (220) [system] get_char((0x55772f068e50), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x55772f068e50), _1801772)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1825210)
   Exit: (222) [system] peek_char((0x55772f068e50), 'O')
   Call: (222) [system] 'O'=(;)
   Fail: (222) [system] 'O'=(;)
   Call: (222) [system] 'O'=(/)
   Fail: (222) [system] 'O'=(/)
^  Call: (222) [user] is_like_space('O')
   Call: (223) [system] char_type('O', 'white')
   Fail: (223) [system] char_type('O', 'white')
   Call: (223) [system] char_type('O', end_of_line)
   Fail: (223) [system] char_type('O', end_of_line)
   Call: (223) [system] char_type('O', space)
   Fail: (223) [system] char_type('O', space)
   Call: (223) [system] char_type('O', cntrl)
   Fail: (223) [system] char_type('O', cntrl)
^  Fail: (222) [user] is_like_space('O')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1841220)
   Exit: (221) [system] peek_char((0x55772f068e50), 'O')
   Call: (221) [system] 'O'=')'
   Fail: (221) [system] 'O'=')'
   Call: (221) [system] 'O'=end_of_file
   Fail: (221) [system] 'O'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _1846790)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1848648)
   Exit: (223) [system] peek_char((0x55772f068e50), 'O')
   Call: (223) [system] 'O'=(;)
   Fail: (223) [system] 'O'=(;)
   Call: (223) [system] 'O'=(/)
   Fail: (223) [system] 'O'=(/)
^  Call: (223) [user] is_like_space('O')
   Call: (224) [system] char_type('O', 'white')
   Fail: (224) [system] char_type('O', 'white')
   Call: (224) [system] char_type('O', end_of_line)
   Fail: (224) [system] char_type('O', end_of_line)
   Call: (224) [system] char_type('O', space)
   Fail: (224) [system] char_type('O', space)
   Call: (224) [system] char_type('O', cntrl)
   Fail: (224) [system] char_type('O', cntrl)
^  Fail: (223) [user] is_like_space('O')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _1864658)
   Exit: (222) [system] get_char((0x55772f068e50), 'O')
   Call: (222) [system] 'O'='('
   Fail: (222) [system] 'O'='('
   Call: (222) [system] 'O'='['
   Fail: (222) [system] 'O'='['
   Call: (222) [system] 'O'='{'
   Fail: (222) [system] 'O'='{'
   Call: (222) [system] 'O'='"'
   Fail: (222) [system] 'O'='"'
   Call: (222) [system] 'O'=!
   Fail: (222) [system] 'O'=!
   Call: (222) [system] 'O'='\''
   Fail: (222) [system] 'O'='\''
   Call: (222) [system] 'O'='`'
   Fail: (222) [system] 'O'='`'
   Call: (222) [system] 'O'=end_of_file
   Fail: (222) [system] 'O'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x55772f068e50), 'O', _1846790)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1882300)
   Call: (224) [system] peek_char((0x55772f068e50), _1883234)
   Exit: (224) [system] peek_char((0x55772f068e50), r)
^  Call: (224) [user] is_delimiter(r)
   Call: (225) [system] char_type(r, space)
   Fail: (225) [system] char_type(r, space)
   Call: (225) [system] arg(_1887954, v('(', ')', end_of_file), r)
   Fail: (225) [system] arg(_1888886, v('(', ')', end_of_file), r)
^  Fail: (224) [user] is_delimiter(r)
   Call: (224) [system] ')'==r
   Fail: (224) [system] ')'==r
   Call: (224) [system] get_char((0x55772f068e50), r)
   Exit: (224) [system] get_char((0x55772f068e50), r)
   Call: (224) [system] r=(\)
   Fail: (224) [system] r=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1896236)
   Call: (225) [system] peek_char((0x55772f068e50), _1897170)
   Exit: (225) [system] peek_char((0x55772f068e50), 'L')
^  Call: (225) [user] is_delimiter('L')
   Call: (226) [system] char_type('L', space)
   Fail: (226) [system] char_type('L', space)
   Call: (226) [system] arg(_1901890, v('(', ')', end_of_file), 'L')
   Fail: (226) [system] arg(_1902822, v('(', ')', end_of_file), 'L')
^  Fail: (225) [user] is_delimiter('L')
   Call: (225) [system] ')'=='L'
   Fail: (225) [system] ')'=='L'
   Call: (225) [system] get_char((0x55772f068e50), 'L')
   Exit: (225) [system] get_char((0x55772f068e50), 'L')
   Call: (225) [system] 'L'=(\)
   Fail: (225) [system] 'L'=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1910172)
   Call: (226) [system] peek_char((0x55772f068e50), _1911106)
   Exit: (226) [system] peek_char((0x55772f068e50), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_1915826, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_1916758, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x55772f068e50), i)
   Exit: (226) [system] get_char((0x55772f068e50), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1924108)
   Call: (227) [system] peek_char((0x55772f068e50), _1925042)
   Exit: (227) [system] peek_char((0x55772f068e50), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1929762, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_1930694, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x55772f068e50), n)
   Exit: (227) [system] get_char((0x55772f068e50), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1938044)
   Call: (228) [system] peek_char((0x55772f068e50), _1938978)
   Exit: (228) [system] peek_char((0x55772f068e50), k)
^  Call: (228) [user] is_delimiter(k)
   Call: (229) [system] char_type(k, space)
   Fail: (229) [system] char_type(k, space)
   Call: (229) [system] arg(_1943698, v('(', ')', end_of_file), k)
   Fail: (229) [system] arg(_1944630, v('(', ')', end_of_file), k)
^  Fail: (228) [user] is_delimiter(k)
   Call: (228) [system] ')'==k
   Fail: (228) [system] ')'==k
   Call: (228) [system] get_char((0x55772f068e50), k)
   Exit: (228) [system] get_char((0x55772f068e50), k)
   Call: (228) [system] k=(\)
   Fail: (228) [system] k=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1951980)
   Call: (229) [system] peek_char((0x55772f068e50), _1952914)
   Exit: (229) [system] peek_char((0x55772f068e50), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _1951980=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (228) [system] _1938044=[k]
   Exit: (228) [system] [k]=[k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (227) [system] _1924108=[n, k]
   Exit: (227) [system] [n, k]=[n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (226) [system] _1910172=[i, n, k]
   Exit: (226) [system] [i, n, k]=[i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (225) [system] _1896236=['L', i, n, k]
   Exit: (225) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (224) [system] _1882300=[r, 'L', i, n, k]
   Exit: (224) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (223) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1846790)
^  Call: (224) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1976168)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1977120, _1977122), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1976168), _1977102, fail)), '$restore_trace'(_1977120, _1977122))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1977120, _1977122))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1976168), _1977102, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1976168)
   Fail: (225) [system] atomic(_1976168)
   Call: (225) [system] atom_chars(_1976168, ['O', r, 'L', i, n, k])
   Exit: (225) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (224) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (224) [system] integer('OrLink')
   Fail: (224) [system] integer('OrLink')
   Call: (224) [system] _1846790='OrLink'
   Exit: (224) [system] 'OrLink'='OrLink'
^  Exit: (223) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (222) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (221) [user] read_list(')', (0x55772f068e50), _1991118)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1992976)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x55772f068e50), _2002570)
   Exit: (223) [system] get_char((0x55772f068e50), ' ')
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _2005274)
   Exit: (224) [system] peek_char((0x55772f068e50), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _2022208)
   Exit: (222) [system] peek_char((0x55772f068e50), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _2027778)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _2029636)
   Exit: (224) [system] peek_char((0x55772f068e50), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _2045646)
   Exit: (223) [system] get_char((0x55772f068e50), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x55772f068e50), _2027778)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _2051216)
   Exit: (225) [system] peek_char((0x55772f068e50), 'I')
   Call: (225) [system] 'I'=(;)
   Fail: (225) [system] 'I'=(;)
   Call: (225) [system] 'I'=(/)
   Fail: (225) [system] 'I'=(/)
^  Call: (225) [user] is_like_space('I')
   Call: (226) [system] char_type('I', 'white')
   Fail: (226) [system] char_type('I', 'white')
   Call: (226) [system] char_type('I', end_of_line)
   Fail: (226) [system] char_type('I', end_of_line)
   Call: (226) [system] char_type('I', space)
   Fail: (226) [system] char_type('I', space)
   Call: (226) [system] char_type('I', cntrl)
   Fail: (226) [system] char_type('I', cntrl)
^  Fail: (225) [user] is_like_space('I')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _2067226)
   Exit: (224) [system] peek_char((0x55772f068e50), 'I')
   Call: (224) [system] 'I'=')'
   Fail: (224) [system] 'I'=')'
   Call: (224) [system] 'I'=end_of_file
   Fail: (224) [system] 'I'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x55772f068e50), _2072796)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _2074654)
   Exit: (226) [system] peek_char((0x55772f068e50), 'I')
   Call: (226) [system] 'I'=(;)
   Fail: (226) [system] 'I'=(;)
   Call: (226) [system] 'I'=(/)
   Fail: (226) [system] 'I'=(/)
^  Call: (226) [user] is_like_space('I')
   Call: (227) [system] char_type('I', 'white')
   Fail: (227) [system] char_type('I', 'white')
   Call: (227) [system] char_type('I', end_of_line)
   Fail: (227) [system] char_type('I', end_of_line)
   Call: (227) [system] char_type('I', space)
   Fail: (227) [system] char_type('I', space)
   Call: (227) [system] char_type('I', cntrl)
   Fail: (227) [system] char_type('I', cntrl)
^  Fail: (226) [user] is_like_space('I')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] get_char((0x55772f068e50), _2090664)
   Exit: (225) [system] get_char((0x55772f068e50), 'I')
   Call: (225) [system] 'I'='('
   Fail: (225) [system] 'I'='('
   Call: (225) [system] 'I'='['
   Fail: (225) [system] 'I'='['
   Call: (225) [system] 'I'='{'
   Fail: (225) [system] 'I'='{'
   Call: (225) [system] 'I'='"'
   Fail: (225) [system] 'I'='"'
   Call: (225) [system] 'I'=!
   Fail: (225) [system] 'I'=!
   Call: (225) [system] 'I'='\''
   Fail: (225) [system] 'I'='\''
   Call: (225) [system] 'I'='`'
   Fail: (225) [system] 'I'='`'
   Call: (225) [system] 'I'=end_of_file
   Fail: (225) [system] 'I'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x55772f068e50), 'I', _5800)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _17302)
   Call: (227) [system] peek_char((0x55772f068e50), _18236)
   Exit: (227) [system] peek_char((0x55772f068e50), m)
^  Call: (227) [user] is_delimiter(m)
   Call: (228) [system] char_type(m, space)
   Fail: (228) [system] char_type(m, space)
   Call: (228) [system] arg(_22956, v('(', ')', end_of_file), m)
   Fail: (228) [system] arg(_23888, v('(', ')', end_of_file), m)
^  Fail: (227) [user] is_delimiter(m)
   Call: (227) [system] ')'==m
   Fail: (227) [system] ')'==m
   Call: (227) [system] get_char((0x55772f068e50), m)
   Exit: (227) [system] get_char((0x55772f068e50), m)
   Call: (227) [system] m=(\)
   Fail: (227) [system] m=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _31238)
   Call: (228) [system] peek_char((0x55772f068e50), _32172)
   Exit: (228) [system] peek_char((0x55772f068e50), p)
^  Call: (228) [user] is_delimiter(p)
   Call: (229) [system] char_type(p, space)
   Fail: (229) [system] char_type(p, space)
   Call: (229) [system] arg(_36892, v('(', ')', end_of_file), p)
   Fail: (229) [system] arg(_37824, v('(', ')', end_of_file), p)
^  Fail: (228) [user] is_delimiter(p)
   Call: (228) [system] ')'==p
   Fail: (228) [system] ')'==p
   Call: (228) [system] get_char((0x55772f068e50), p)
   Exit: (228) [system] get_char((0x55772f068e50), p)
   Call: (228) [system] p=(\)
   Fail: (228) [system] p=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _45174)
   Call: (229) [system] peek_char((0x55772f068e50), _46108)
   Exit: (229) [system] peek_char((0x55772f068e50), l)
^  Call: (229) [user] is_delimiter(l)
   Call: (230) [system] char_type(l, space)
   Fail: (230) [system] char_type(l, space)
   Call: (230) [system] arg(_50828, v('(', ')', end_of_file), l)
   Fail: (230) [system] arg(_51760, v('(', ')', end_of_file), l)
^  Fail: (229) [user] is_delimiter(l)
   Call: (229) [system] ')'==l
   Fail: (229) [system] ')'==l
   Call: (229) [system] get_char((0x55772f068e50), l)
   Exit: (229) [system] get_char((0x55772f068e50), l)
   Call: (229) [system] l=(\)
   Fail: (229) [system] l=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _59110)
   Call: (230) [system] peek_char((0x55772f068e50), _60044)
   Exit: (230) [system] peek_char((0x55772f068e50), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_64764, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_65696, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x55772f068e50), i)
   Exit: (230) [system] get_char((0x55772f068e50), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _73046)
   Call: (231) [system] peek_char((0x55772f068e50), _73980)
   Exit: (231) [system] peek_char((0x55772f068e50), c)
^  Call: (231) [user] is_delimiter(c)
   Call: (232) [system] char_type(c, space)
   Fail: (232) [system] char_type(c, space)
   Call: (232) [system] arg(_78700, v('(', ')', end_of_file), c)
   Fail: (232) [system] arg(_79632, v('(', ')', end_of_file), c)
^  Fail: (231) [user] is_delimiter(c)
   Call: (231) [system] ')'==c
   Fail: (231) [system] ')'==c
   Call: (231) [system] get_char((0x55772f068e50), c)
   Exit: (231) [system] get_char((0x55772f068e50), c)
   Call: (231) [system] c=(\)
   Fail: (231) [system] c=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _86982)
   Call: (232) [system] peek_char((0x55772f068e50), _87916)
   Exit: (232) [system] peek_char((0x55772f068e50), a)
^  Call: (232) [user] is_delimiter(a)
   Call: (233) [system] char_type(a, space)
   Fail: (233) [system] char_type(a, space)
   Call: (233) [system] arg(_92636, v('(', ')', end_of_file), a)
   Fail: (233) [system] arg(_93568, v('(', ')', end_of_file), a)
^  Fail: (232) [user] is_delimiter(a)
   Call: (232) [system] ')'==a
   Fail: (232) [system] ')'==a
   Call: (232) [system] get_char((0x55772f068e50), a)
   Exit: (232) [system] get_char((0x55772f068e50), a)
   Call: (232) [system] a=(\)
   Fail: (232) [system] a=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _100918)
   Call: (233) [system] peek_char((0x55772f068e50), _101852)
   Exit: (233) [system] peek_char((0x55772f068e50), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Fail: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_106572, v('(', ')', end_of_file), t)
   Fail: (234) [system] arg(_107504, v('(', ')', end_of_file), t)
^  Fail: (233) [user] is_delimiter(t)
   Call: (233) [system] ')'==t
   Fail: (233) [system] ')'==t
   Call: (233) [system] get_char((0x55772f068e50), t)
   Exit: (233) [system] get_char((0x55772f068e50), t)
   Call: (233) [system] t=(\)
   Fail: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _114854)
   Call: (234) [system] peek_char((0x55772f068e50), _115788)
   Exit: (234) [system] peek_char((0x55772f068e50), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_120508, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_121440, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x55772f068e50), i)
   Exit: (234) [system] get_char((0x55772f068e50), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _128790)
   Call: (235) [system] peek_char((0x55772f068e50), _129724)
   Exit: (235) [system] peek_char((0x55772f068e50), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Fail: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_134444, v('(', ')', end_of_file), o)
   Fail: (236) [system] arg(_135376, v('(', ')', end_of_file), o)
^  Fail: (235) [user] is_delimiter(o)
   Call: (235) [system] ')'==o
   Fail: (235) [system] ')'==o
   Call: (235) [system] get_char((0x55772f068e50), o)
   Exit: (235) [system] get_char((0x55772f068e50), o)
   Call: (235) [system] o=(\)
   Fail: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _142726)
   Call: (236) [system] peek_char((0x55772f068e50), _143660)
   Exit: (236) [system] peek_char((0x55772f068e50), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_148380, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_149312, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x55772f068e50), n)
   Exit: (236) [system] get_char((0x55772f068e50), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _156662)
   Call: (237) [system] peek_char((0x55772f068e50), _157596)
   Exit: (237) [system] peek_char((0x55772f068e50), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _156662=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (236) [system] _142726=[n]
   Exit: (236) [system] [n]=[n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (235) [system] _128790=[o, n]
   Exit: (235) [system] [o, n]=[o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (234) [system] _114854=[i, o, n]
   Exit: (234) [system] [i, o, n]=[i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (233) [system] _100918=[t, i, o, n]
   Exit: (233) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (232) [system] _86982=[a, t, i, o, n]
   Exit: (232) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (231) [system] _73046=[c, a, t, i, o, n]
   Exit: (231) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (230) [system] _59110=[i, c, a, t, i, o, n]
   Exit: (230) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (229) [system] _45174=[l, i, c, a, t, i, o, n]
   Exit: (229) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (228) [system] _31238=[p, l, i, c, a, t, i, o, n]
   Exit: (228) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (227) [system] _17302=[m, p, l, i, c, a, t, i, o, n]
   Exit: (227) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (226) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _5800)
^  Call: (227) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _194820)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_195772, _195774), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _194820), _195754, fail)), '$restore_trace'(_195772, _195774))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_195772, _195774))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _194820), _195754, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_194820)
   Fail: (228) [system] atomic(_194820)
   Call: (228) [system] atom_chars(_194820, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (228) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (227) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (227) [system] integer('Implication')
   Fail: (227) [system] integer('Implication')
   Call: (227) [system] _5800='Implication'
   Exit: (227) [system] 'Implication'='Implication'
^  Exit: (226) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (225) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (224) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (224) [user] read_list(')', (0x55772f068e50), _209770)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _211628)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x55772f068e50), _221222)
   Exit: (226) [system] get_char((0x55772f068e50), ' ')
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _223926)
   Exit: (227) [system] peek_char((0x55772f068e50), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _240860)
   Exit: (225) [system] peek_char((0x55772f068e50), '(')
   Call: (225) [system] '('=')'
   Fail: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
   Fail: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x55772f068e50), _246430)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _248288)
   Exit: (227) [system] peek_char((0x55772f068e50), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] get_char((0x55772f068e50), _264298)
   Exit: (226) [system] get_char((0x55772f068e50), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x55772f068e50), _246430)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _269868)
   Exit: (228) [system] peek_char((0x55772f068e50), 'O')
   Call: (228) [system] 'O'=(;)
   Fail: (228) [system] 'O'=(;)
   Call: (228) [system] 'O'=(/)
   Fail: (228) [system] 'O'=(/)
^  Call: (228) [user] is_like_space('O')
   Call: (229) [system] char_type('O', 'white')
   Fail: (229) [system] char_type('O', 'white')
   Call: (229) [system] char_type('O', end_of_line)
   Fail: (229) [system] char_type('O', end_of_line)
   Call: (229) [system] char_type('O', space)
   Fail: (229) [system] char_type('O', space)
   Call: (229) [system] char_type('O', cntrl)
   Fail: (229) [system] char_type('O', cntrl)
^  Fail: (228) [user] is_like_space('O')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _285878)
   Exit: (227) [system] peek_char((0x55772f068e50), 'O')
   Call: (227) [system] 'O'=')'
   Fail: (227) [system] 'O'=')'
   Call: (227) [system] 'O'=end_of_file
   Fail: (227) [system] 'O'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x55772f068e50), _291448)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _293306)
   Exit: (229) [system] peek_char((0x55772f068e50), 'O')
   Call: (229) [system] 'O'=(;)
   Fail: (229) [system] 'O'=(;)
   Call: (229) [system] 'O'=(/)
   Fail: (229) [system] 'O'=(/)
^  Call: (229) [user] is_like_space('O')
   Call: (230) [system] char_type('O', 'white')
   Fail: (230) [system] char_type('O', 'white')
   Call: (230) [system] char_type('O', end_of_line)
   Fail: (230) [system] char_type('O', end_of_line)
   Call: (230) [system] char_type('O', space)
   Fail: (230) [system] char_type('O', space)
   Call: (230) [system] char_type('O', cntrl)
   Fail: (230) [system] char_type('O', cntrl)
^  Fail: (229) [user] is_like_space('O')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] get_char((0x55772f068e50), _309316)
   Exit: (228) [system] get_char((0x55772f068e50), 'O')
   Call: (228) [system] 'O'='('
   Fail: (228) [system] 'O'='('
   Call: (228) [system] 'O'='['
   Fail: (228) [system] 'O'='['
   Call: (228) [system] 'O'='{'
   Fail: (228) [system] 'O'='{'
   Call: (228) [system] 'O'='"'
   Fail: (228) [system] 'O'='"'
   Call: (228) [system] 'O'=!
   Fail: (228) [system] 'O'=!
   Call: (228) [system] 'O'='\''
   Fail: (228) [system] 'O'='\''
   Call: (228) [system] 'O'='`'
   Fail: (228) [system] 'O'='`'
   Call: (228) [system] 'O'=end_of_file
   Fail: (228) [system] 'O'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x55772f068e50), 'O', _291448)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _326958)
   Call: (230) [system] peek_char((0x55772f068e50), _327892)
   Exit: (230) [system] peek_char((0x55772f068e50), r)
^  Call: (230) [user] is_delimiter(r)
   Call: (231) [system] char_type(r, space)
   Fail: (231) [system] char_type(r, space)
   Call: (231) [system] arg(_332612, v('(', ')', end_of_file), r)
   Fail: (231) [system] arg(_333544, v('(', ')', end_of_file), r)
^  Fail: (230) [user] is_delimiter(r)
   Call: (230) [system] ')'==r
   Fail: (230) [system] ')'==r
   Call: (230) [system] get_char((0x55772f068e50), r)
   Exit: (230) [system] get_char((0x55772f068e50), r)
   Call: (230) [system] r=(\)
   Fail: (230) [system] r=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _340894)
   Call: (231) [system] peek_char((0x55772f068e50), _341828)
   Exit: (231) [system] peek_char((0x55772f068e50), 'L')
^  Call: (231) [user] is_delimiter('L')
   Call: (232) [system] char_type('L', space)
   Fail: (232) [system] char_type('L', space)
   Call: (232) [system] arg(_346548, v('(', ')', end_of_file), 'L')
   Fail: (232) [system] arg(_347480, v('(', ')', end_of_file), 'L')
^  Fail: (231) [user] is_delimiter('L')
   Call: (231) [system] ')'=='L'
   Fail: (231) [system] ')'=='L'
   Call: (231) [system] get_char((0x55772f068e50), 'L')
   Exit: (231) [system] get_char((0x55772f068e50), 'L')
   Call: (231) [system] 'L'=(\)
   Fail: (231) [system] 'L'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _354830)
   Call: (232) [system] peek_char((0x55772f068e50), _355764)
   Exit: (232) [system] peek_char((0x55772f068e50), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_360484, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_361416, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x55772f068e50), i)
   Exit: (232) [system] get_char((0x55772f068e50), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _368766)
   Call: (233) [system] peek_char((0x55772f068e50), _369700)
   Exit: (233) [system] peek_char((0x55772f068e50), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_374420, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_375352, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x55772f068e50), n)
   Exit: (233) [system] get_char((0x55772f068e50), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _382702)
   Call: (234) [system] peek_char((0x55772f068e50), _383636)
   Exit: (234) [system] peek_char((0x55772f068e50), k)
^  Call: (234) [user] is_delimiter(k)
   Call: (235) [system] char_type(k, space)
   Fail: (235) [system] char_type(k, space)
   Call: (235) [system] arg(_388356, v('(', ')', end_of_file), k)
   Fail: (235) [system] arg(_389288, v('(', ')', end_of_file), k)
^  Fail: (234) [user] is_delimiter(k)
   Call: (234) [system] ')'==k
   Fail: (234) [system] ')'==k
   Call: (234) [system] get_char((0x55772f068e50), k)
   Exit: (234) [system] get_char((0x55772f068e50), k)
   Call: (234) [system] k=(\)
   Fail: (234) [system] k=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _396638)
   Call: (235) [system] peek_char((0x55772f068e50), _397572)
   Exit: (235) [system] peek_char((0x55772f068e50), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _396638=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (234) [system] _382702=[k]
   Exit: (234) [system] [k]=[k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (233) [system] _368766=[n, k]
   Exit: (233) [system] [n, k]=[n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (232) [system] _354830=[i, n, k]
   Exit: (232) [system] [i, n, k]=[i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (231) [system] _340894=['L', i, n, k]
   Exit: (231) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (230) [system] _326958=[r, 'L', i, n, k]
   Exit: (230) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (229) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _291448)
^  Call: (230) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _420826)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_421778, _421780), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _420826), _421760, fail)), '$restore_trace'(_421778, _421780))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_421778, _421780))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _420826), _421760, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_420826)
   Fail: (231) [system] atomic(_420826)
   Call: (231) [system] atom_chars(_420826, ['O', r, 'L', i, n, k])
   Exit: (231) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (230) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (230) [system] integer('OrLink')
   Fail: (230) [system] integer('OrLink')
   Call: (230) [system] _291448='OrLink'
   Exit: (230) [system] 'OrLink'='OrLink'
^  Exit: (229) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (228) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (227) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (227) [user] read_list(')', (0x55772f068e50), _435776)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _437634)
   Exit: (229) [system] peek_char((0x55772f068e50), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x55772f068e50), _447228)
   Exit: (229) [system] get_char((0x55772f068e50), ' ')
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _449932)
   Exit: (230) [system] peek_char((0x55772f068e50), 'C')
   Call: (230) [system] 'C'=(;)
   Fail: (230) [system] 'C'=(;)
   Call: (230) [system] 'C'=(/)
   Fail: (230) [system] 'C'=(/)
^  Call: (230) [user] is_like_space('C')
   Call: (231) [system] char_type('C', 'white')
   Fail: (231) [system] char_type('C', 'white')
   Call: (231) [system] char_type('C', end_of_line)
   Fail: (231) [system] char_type('C', end_of_line)
   Call: (231) [system] char_type('C', space)
   Fail: (231) [system] char_type('C', space)
   Call: (231) [system] char_type('C', cntrl)
   Fail: (231) [system] char_type('C', cntrl)
^  Fail: (230) [user] is_like_space('C')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _466866)
   Exit: (228) [system] peek_char((0x55772f068e50), 'C')
   Call: (228) [system] 'C'=')'
   Fail: (228) [system] 'C'=')'
   Call: (228) [system] 'C'=end_of_file
   Fail: (228) [system] 'C'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x55772f068e50), _472436)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _474294)
   Exit: (230) [system] peek_char((0x55772f068e50), 'C')
   Call: (230) [system] 'C'=(;)
   Fail: (230) [system] 'C'=(;)
   Call: (230) [system] 'C'=(/)
   Fail: (230) [system] 'C'=(/)
^  Call: (230) [user] is_like_space('C')
   Call: (231) [system] char_type('C', 'white')
   Fail: (231) [system] char_type('C', 'white')
   Call: (231) [system] char_type('C', end_of_line)
   Fail: (231) [system] char_type('C', end_of_line)
   Call: (231) [system] char_type('C', space)
   Fail: (231) [system] char_type('C', space)
   Call: (231) [system] char_type('C', cntrl)
   Fail: (231) [system] char_type('C', cntrl)
^  Fail: (230) [user] is_like_space('C')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] get_char((0x55772f068e50), _490304)
   Exit: (229) [system] get_char((0x55772f068e50), 'C')
   Call: (229) [system] 'C'='('
   Fail: (229) [system] 'C'='('
   Call: (229) [system] 'C'='['
   Fail: (229) [system] 'C'='['
   Call: (229) [system] 'C'='{'
   Fail: (229) [system] 'C'='{'
   Call: (229) [system] 'C'='"'
   Fail: (229) [system] 'C'='"'
   Call: (229) [system] 'C'=!
   Fail: (229) [system] 'C'=!
   Call: (229) [system] 'C'='\''
   Fail: (229) [system] 'C'='\''
   Call: (229) [system] 'C'='`'
   Fail: (229) [system] 'C'='`'
   Call: (229) [system] 'C'=end_of_file
   Fail: (229) [system] 'C'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x55772f068e50), 'C', _472436)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _507946)
   Call: (231) [system] peek_char((0x55772f068e50), _508880)
   Exit: (231) [system] peek_char((0x55772f068e50), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _507946=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (230) [user] classify_and_convert_charseq(['C'], _472436)
^  Call: (231) [user] classify_and_convert_charseq_(['C'], _518164)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_519116, _519118), once(user:catch(read_from_chars(['C'], _518164), _519098, fail)), '$restore_trace'(_519116, _519118))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_519116, _519118))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _518164), _519098, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_518164)
   Fail: (232) [system] atomic(_518164)
   Call: (232) [system] atom_chars(_518164, ['C'])
   Exit: (232) [system] atom_chars('C', ['C'])
^  Exit: (231) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (231) [system] integer('C')
   Fail: (231) [system] integer('C')
   Call: (231) [system] _472436='C'
   Exit: (231) [system] 'C'='C'
^  Exit: (230) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (229) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (228) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (228) [user] read_list(')', (0x55772f068e50), _533114)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _534972)
   Exit: (230) [system] peek_char((0x55772f068e50), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
   Call: (230) [system] ' '=(/)
   Fail: (230) [system] ' '=(/)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x55772f068e50), _544566)
   Exit: (230) [system] get_char((0x55772f068e50), ' ')
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _547270)
   Exit: (231) [system] peek_char((0x55772f068e50), 'D')
   Call: (231) [system] 'D'=(;)
   Fail: (231) [system] 'D'=(;)
   Call: (231) [system] 'D'=(/)
   Fail: (231) [system] 'D'=(/)
^  Call: (231) [user] is_like_space('D')
   Call: (232) [system] char_type('D', 'white')
   Fail: (232) [system] char_type('D', 'white')
   Call: (232) [system] char_type('D', end_of_line)
   Fail: (232) [system] char_type('D', end_of_line)
   Call: (232) [system] char_type('D', space)
   Fail: (232) [system] char_type('D', space)
   Call: (232) [system] char_type('D', cntrl)
   Fail: (232) [system] char_type('D', cntrl)
^  Fail: (231) [user] is_like_space('D')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _564204)
   Exit: (229) [system] peek_char((0x55772f068e50), 'D')
   Call: (229) [system] 'D'=')'
   Fail: (229) [system] 'D'=')'
   Call: (229) [system] 'D'=end_of_file
   Fail: (229) [system] 'D'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x55772f068e50), _569774)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _571632)
   Exit: (231) [system] peek_char((0x55772f068e50), 'D')
   Call: (231) [system] 'D'=(;)
   Fail: (231) [system] 'D'=(;)
   Call: (231) [system] 'D'=(/)
   Fail: (231) [system] 'D'=(/)
^  Call: (231) [user] is_like_space('D')
   Call: (232) [system] char_type('D', 'white')
   Fail: (232) [system] char_type('D', 'white')
   Call: (232) [system] char_type('D', end_of_line)
   Fail: (232) [system] char_type('D', end_of_line)
   Call: (232) [system] char_type('D', space)
   Fail: (232) [system] char_type('D', space)
   Call: (232) [system] char_type('D', cntrl)
   Fail: (232) [system] char_type('D', cntrl)
^  Fail: (231) [user] is_like_space('D')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] get_char((0x55772f068e50), _587642)
   Exit: (230) [system] get_char((0x55772f068e50), 'D')
   Call: (230) [system] 'D'='('
   Fail: (230) [system] 'D'='('
   Call: (230) [system] 'D'='['
   Fail: (230) [system] 'D'='['
   Call: (230) [system] 'D'='{'
   Fail: (230) [system] 'D'='{'
   Call: (230) [system] 'D'='"'
   Fail: (230) [system] 'D'='"'
   Call: (230) [system] 'D'=!
   Fail: (230) [system] 'D'=!
   Call: (230) [system] 'D'='\''
   Fail: (230) [system] 'D'='\''
   Call: (230) [system] 'D'='`'
   Fail: (230) [system] 'D'='`'
   Call: (230) [system] 'D'=end_of_file
   Fail: (230) [system] 'D'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x55772f068e50), 'D', _569774)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _605284)
   Call: (232) [system] peek_char((0x55772f068e50), _606218)
   Exit: (232) [system] peek_char((0x55772f068e50), ')')
^  Call: (232) [user] is_delimiter(')')
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] arg(_610938, v('(', ')', end_of_file), ')')
   Exit: (233) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (232) [user] is_delimiter(')')
   Call: (232) [system] _605284=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (231) [user] classify_and_convert_charseq(['D'], _569774)
^  Call: (232) [user] classify_and_convert_charseq_(['D'], _617374)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_618326, _618328), once(user:catch(read_from_chars(['D'], _617374), _618308, fail)), '$restore_trace'(_618326, _618328))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_618326, _618328))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _617374), _618308, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_617374)
   Fail: (233) [system] atomic(_617374)
   Call: (233) [system] atom_chars(_617374, ['D'])
   Exit: (233) [system] atom_chars('D', ['D'])
^  Exit: (232) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (232) [system] integer('D')
   Fail: (232) [system] integer('D')
   Call: (232) [system] _569774='D'
   Exit: (232) [system] 'D'='D'
^  Exit: (231) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (230) [user] read_symbolic(')', (0x55772f068e50), 'D', 'D')
^  Exit: (229) [user] cont_sexpr(')', (0x55772f068e50), 'D')
^  Call: (229) [user] read_list(')', (0x55772f068e50), _632324)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _634182)
   Exit: (231) [system] peek_char((0x55772f068e50), ')')
   Call: (231) [system] ')'=(;)
   Fail: (231) [system] ')'=(;)
   Call: (231) [system] ')'=(/)
   Fail: (231) [system] ')'=(/)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Fail: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Fail: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
   Fail: (232) [system] char_type(')', cntrl)
^  Fail: (231) [user] is_like_space(')')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _650192)
   Exit: (230) [system] peek_char((0x55772f068e50), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x55772f068e50), _653982)
   Exit: (230) [system] get_char((0x55772f068e50), ')')
   Call: (230) [system] _632324=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x55772f068e50), [])
   Call: (229) [system] _533114=['D']
   Exit: (229) [system] ['D']=['D']
^  Exit: (228) [user] read_list(')', (0x55772f068e50), ['D'])
   Call: (228) [system] _435776=['C', 'D']
   Exit: (228) [system] ['C', 'D']=['C', 'D']
^  Exit: (227) [user] read_list(')', (0x55772f068e50), ['C', 'D'])
   Call: (227) [system] _246430=['OrLink', 'C', 'D']
   Exit: (227) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (226) [user] read_list(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Exit: (225) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Call: (225) [user] read_list(')', (0x55772f068e50), _667864)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _669722)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x55772f068e50), _679316)
   Exit: (227) [system] get_char((0x55772f068e50), ' ')
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _682020)
   Exit: (228) [system] peek_char((0x55772f068e50), 'E')
   Call: (228) [system] 'E'=(;)
   Fail: (228) [system] 'E'=(;)
   Call: (228) [system] 'E'=(/)
   Fail: (228) [system] 'E'=(/)
^  Call: (228) [user] is_like_space('E')
   Call: (229) [system] char_type('E', 'white')
   Fail: (229) [system] char_type('E', 'white')
   Call: (229) [system] char_type('E', end_of_line)
   Fail: (229) [system] char_type('E', end_of_line)
   Call: (229) [system] char_type('E', space)
   Fail: (229) [system] char_type('E', space)
   Call: (229) [system] char_type('E', cntrl)
   Fail: (229) [system] char_type('E', cntrl)
^  Fail: (228) [user] is_like_space('E')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _698954)
   Exit: (226) [system] peek_char((0x55772f068e50), 'E')
   Call: (226) [system] 'E'=')'
   Fail: (226) [system] 'E'=')'
   Call: (226) [system] 'E'=end_of_file
   Fail: (226) [system] 'E'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x55772f068e50), _704524)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _706382)
   Exit: (228) [system] peek_char((0x55772f068e50), 'E')
   Call: (228) [system] 'E'=(;)
   Fail: (228) [system] 'E'=(;)
   Call: (228) [system] 'E'=(/)
   Fail: (228) [system] 'E'=(/)
^  Call: (228) [user] is_like_space('E')
   Call: (229) [system] char_type('E', 'white')
   Fail: (229) [system] char_type('E', 'white')
   Call: (229) [system] char_type('E', end_of_line)
   Fail: (229) [system] char_type('E', end_of_line)
   Call: (229) [system] char_type('E', space)
   Fail: (229) [system] char_type('E', space)
   Call: (229) [system] char_type('E', cntrl)
   Fail: (229) [system] char_type('E', cntrl)
^  Fail: (228) [user] is_like_space('E')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] get_char((0x55772f068e50), _722392)
   Exit: (227) [system] get_char((0x55772f068e50), 'E')
   Call: (227) [system] 'E'='('
   Fail: (227) [system] 'E'='('
   Call: (227) [system] 'E'='['
   Fail: (227) [system] 'E'='['
   Call: (227) [system] 'E'='{'
   Fail: (227) [system] 'E'='{'
   Call: (227) [system] 'E'='"'
   Fail: (227) [system] 'E'='"'
   Call: (227) [system] 'E'=!
   Fail: (227) [system] 'E'=!
   Call: (227) [system] 'E'='\''
   Fail: (227) [system] 'E'='\''
   Call: (227) [system] 'E'='`'
   Fail: (227) [system] 'E'='`'
   Call: (227) [system] 'E'=end_of_file
   Fail: (227) [system] 'E'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x55772f068e50), 'E', _704524)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _740034)
   Call: (229) [system] peek_char((0x55772f068e50), _740968)
   Exit: (229) [system] peek_char((0x55772f068e50), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_745688, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _740034=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (228) [user] classify_and_convert_charseq(['E'], _704524)
^  Call: (229) [user] classify_and_convert_charseq_(['E'], _752124)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_753076, _753078), once(user:catch(read_from_chars(['E'], _752124), _753058, fail)), '$restore_trace'(_753076, _753078))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_753076, _753078))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _752124), _753058, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_752124)
   Fail: (230) [system] atomic(_752124)
   Call: (230) [system] atom_chars(_752124, ['E'])
   Exit: (230) [system] atom_chars('E', ['E'])
^  Exit: (229) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (229) [system] integer('E')
   Fail: (229) [system] integer('E')
   Call: (229) [system] _704524='E'
   Exit: (229) [system] 'E'='E'
^  Exit: (228) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (227) [user] read_symbolic(')', (0x55772f068e50), 'E', 'E')
^  Exit: (226) [user] cont_sexpr(')', (0x55772f068e50), 'E')
^  Call: (226) [user] read_list(')', (0x55772f068e50), _767074)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _768932)
   Exit: (228) [system] peek_char((0x55772f068e50), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
   Call: (228) [system] ')'=(/)
   Fail: (228) [system] ')'=(/)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _784942)
   Exit: (227) [system] peek_char((0x55772f068e50), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x55772f068e50), _788732)
   Exit: (227) [system] get_char((0x55772f068e50), ')')
   Call: (227) [system] _767074=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x55772f068e50), [])
   Call: (226) [system] _667864=['E']
   Exit: (226) [system] ['E']=['E']
^  Exit: (225) [user] read_list(')', (0x55772f068e50), ['E'])
   Call: (225) [system] _209770=[['OrLink', 'C', 'D'], 'E']
   Exit: (225) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (224) [user] read_list(')', (0x55772f068e50), [['OrLink', 'C', 'D'], 'E'])
   Call: (224) [system] _5794=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (224) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (223) [user] read_list(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (222) [user] read_list(')', (0x55772f068e50), _802614)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _804472)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x55772f068e50), _814066)
   Exit: (224) [system] get_char((0x55772f068e50), ' ')
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _816770)
   Exit: (225) [system] peek_char((0x55772f068e50), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _833704)
   Exit: (223) [system] peek_char((0x55772f068e50), '(')
   Call: (223) [system] '('=')'
   Fail: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
   Fail: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x55772f068e50), _839274)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _841132)
   Exit: (225) [system] peek_char((0x55772f068e50), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] get_char((0x55772f068e50), _857142)
   Exit: (224) [system] get_char((0x55772f068e50), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x55772f068e50), _839274)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _862712)
   Exit: (226) [system] peek_char((0x55772f068e50), 'I')
   Call: (226) [system] 'I'=(;)
   Fail: (226) [system] 'I'=(;)
   Call: (226) [system] 'I'=(/)
   Fail: (226) [system] 'I'=(/)
^  Call: (226) [user] is_like_space('I')
   Call: (227) [system] char_type('I', 'white')
   Fail: (227) [system] char_type('I', 'white')
   Call: (227) [system] char_type('I', end_of_line)
   Fail: (227) [system] char_type('I', end_of_line)
   Call: (227) [system] char_type('I', space)
   Fail: (227) [system] char_type('I', space)
   Call: (227) [system] char_type('I', cntrl)
   Fail: (227) [system] char_type('I', cntrl)
^  Fail: (226) [user] is_like_space('I')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _878722)
   Exit: (225) [system] peek_char((0x55772f068e50), 'I')
   Call: (225) [system] 'I'=')'
   Fail: (225) [system] 'I'=')'
   Call: (225) [system] 'I'=end_of_file
   Fail: (225) [system] 'I'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x55772f068e50), _884292)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _886150)
   Exit: (227) [system] peek_char((0x55772f068e50), 'I')
   Call: (227) [system] 'I'=(;)
   Fail: (227) [system] 'I'=(;)
   Call: (227) [system] 'I'=(/)
   Fail: (227) [system] 'I'=(/)
^  Call: (227) [user] is_like_space('I')
   Call: (228) [system] char_type('I', 'white')
   Fail: (228) [system] char_type('I', 'white')
   Call: (228) [system] char_type('I', end_of_line)
   Fail: (228) [system] char_type('I', end_of_line)
   Call: (228) [system] char_type('I', space)
   Fail: (228) [system] char_type('I', space)
   Call: (228) [system] char_type('I', cntrl)
   Fail: (228) [system] char_type('I', cntrl)
^  Fail: (227) [user] is_like_space('I')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] get_char((0x55772f068e50), _902160)
   Exit: (226) [system] get_char((0x55772f068e50), 'I')
   Call: (226) [system] 'I'='('
   Fail: (226) [system] 'I'='('
   Call: (226) [system] 'I'='['
   Fail: (226) [system] 'I'='['
   Call: (226) [system] 'I'='{'
   Fail: (226) [system] 'I'='{'
   Call: (226) [system] 'I'='"'
   Fail: (226) [system] 'I'='"'
   Call: (226) [system] 'I'=!
   Fail: (226) [system] 'I'=!
   Call: (226) [system] 'I'='\''
   Fail: (226) [system] 'I'='\''
   Call: (226) [system] 'I'='`'
   Fail: (226) [system] 'I'='`'
   Call: (226) [system] 'I'=end_of_file
   Fail: (226) [system] 'I'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x55772f068e50), 'I', _884292)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _919802)
   Call: (228) [system] peek_char((0x55772f068e50), _920736)
   Exit: (228) [system] peek_char((0x55772f068e50), m)
^  Call: (228) [user] is_delimiter(m)
   Call: (229) [system] char_type(m, space)
   Fail: (229) [system] char_type(m, space)
   Call: (229) [system] arg(_925456, v('(', ')', end_of_file), m)
   Fail: (229) [system] arg(_926388, v('(', ')', end_of_file), m)
^  Fail: (228) [user] is_delimiter(m)
   Call: (228) [system] ')'==m
   Fail: (228) [system] ')'==m
   Call: (228) [system] get_char((0x55772f068e50), m)
   Exit: (228) [system] get_char((0x55772f068e50), m)
   Call: (228) [system] m=(\)
   Fail: (228) [system] m=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _933738)
   Call: (229) [system] peek_char((0x55772f068e50), _934672)
   Exit: (229) [system] peek_char((0x55772f068e50), p)
^  Call: (229) [user] is_delimiter(p)
   Call: (230) [system] char_type(p, space)
   Fail: (230) [system] char_type(p, space)
   Call: (230) [system] arg(_939392, v('(', ')', end_of_file), p)
   Fail: (230) [system] arg(_940324, v('(', ')', end_of_file), p)
^  Fail: (229) [user] is_delimiter(p)
   Call: (229) [system] ')'==p
   Fail: (229) [system] ')'==p
   Call: (229) [system] get_char((0x55772f068e50), p)
   Exit: (229) [system] get_char((0x55772f068e50), p)
   Call: (229) [system] p=(\)
   Fail: (229) [system] p=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _947674)
   Call: (230) [system] peek_char((0x55772f068e50), _948608)
   Exit: (230) [system] peek_char((0x55772f068e50), l)
^  Call: (230) [user] is_delimiter(l)
   Call: (231) [system] char_type(l, space)
   Fail: (231) [system] char_type(l, space)
   Call: (231) [system] arg(_953328, v('(', ')', end_of_file), l)
   Fail: (231) [system] arg(_954260, v('(', ')', end_of_file), l)
^  Fail: (230) [user] is_delimiter(l)
   Call: (230) [system] ')'==l
   Fail: (230) [system] ')'==l
   Call: (230) [system] get_char((0x55772f068e50), l)
   Exit: (230) [system] get_char((0x55772f068e50), l)
   Call: (230) [system] l=(\)
   Fail: (230) [system] l=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _961610)
   Call: (231) [system] peek_char((0x55772f068e50), _962544)
   Exit: (231) [system] peek_char((0x55772f068e50), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_967264, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_968196, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x55772f068e50), i)
   Exit: (231) [system] get_char((0x55772f068e50), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _975546)
   Call: (232) [system] peek_char((0x55772f068e50), _976480)
   Exit: (232) [system] peek_char((0x55772f068e50), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Fail: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_981200, v('(', ')', end_of_file), c)
   Fail: (233) [system] arg(_982132, v('(', ')', end_of_file), c)
^  Fail: (232) [user] is_delimiter(c)
   Call: (232) [system] ')'==c
   Fail: (232) [system] ')'==c
   Call: (232) [system] get_char((0x55772f068e50), c)
   Exit: (232) [system] get_char((0x55772f068e50), c)
   Call: (232) [system] c=(\)
   Fail: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _989482)
   Call: (233) [system] peek_char((0x55772f068e50), _990416)
   Exit: (233) [system] peek_char((0x55772f068e50), a)
^  Call: (233) [user] is_delimiter(a)
   Call: (234) [system] char_type(a, space)
   Fail: (234) [system] char_type(a, space)
   Call: (234) [system] arg(_995136, v('(', ')', end_of_file), a)
   Fail: (234) [system] arg(_996068, v('(', ')', end_of_file), a)
^  Fail: (233) [user] is_delimiter(a)
   Call: (233) [system] ')'==a
   Fail: (233) [system] ')'==a
   Call: (233) [system] get_char((0x55772f068e50), a)
   Exit: (233) [system] get_char((0x55772f068e50), a)
   Call: (233) [system] a=(\)
   Fail: (233) [system] a=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1003418)
   Call: (234) [system] peek_char((0x55772f068e50), _1004352)
   Exit: (234) [system] peek_char((0x55772f068e50), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Fail: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_1009072, v('(', ')', end_of_file), t)
   Fail: (235) [system] arg(_1010004, v('(', ')', end_of_file), t)
^  Fail: (234) [user] is_delimiter(t)
   Call: (234) [system] ')'==t
   Fail: (234) [system] ')'==t
   Call: (234) [system] get_char((0x55772f068e50), t)
   Exit: (234) [system] get_char((0x55772f068e50), t)
   Call: (234) [system] t=(\)
   Fail: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1017354)
   Call: (235) [system] peek_char((0x55772f068e50), _1018288)
   Exit: (235) [system] peek_char((0x55772f068e50), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Fail: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_1023008, v('(', ')', end_of_file), i)
   Fail: (236) [system] arg(_1023940, v('(', ')', end_of_file), i)
^  Fail: (235) [user] is_delimiter(i)
   Call: (235) [system] ')'==i
   Fail: (235) [system] ')'==i
   Call: (235) [system] get_char((0x55772f068e50), i)
   Exit: (235) [system] get_char((0x55772f068e50), i)
   Call: (235) [system] i=(\)
   Fail: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1031290)
   Call: (236) [system] peek_char((0x55772f068e50), _1032224)
   Exit: (236) [system] peek_char((0x55772f068e50), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Fail: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_1036944, v('(', ')', end_of_file), o)
   Fail: (237) [system] arg(_1037876, v('(', ')', end_of_file), o)
^  Fail: (236) [user] is_delimiter(o)
   Call: (236) [system] ')'==o
   Fail: (236) [system] ')'==o
   Call: (236) [system] get_char((0x55772f068e50), o)
   Exit: (236) [system] get_char((0x55772f068e50), o)
   Call: (236) [system] o=(\)
   Fail: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1045226)
   Call: (237) [system] peek_char((0x55772f068e50), _1046160)
   Exit: (237) [system] peek_char((0x55772f068e50), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_1050880, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_1051812, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x55772f068e50), n)
   Exit: (237) [system] get_char((0x55772f068e50), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _1059162)
   Call: (238) [system] peek_char((0x55772f068e50), _1060096)
   Exit: (238) [system] peek_char((0x55772f068e50), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _1059162=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (237) [system] _1045226=[n]
   Exit: (237) [system] [n]=[n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (236) [system] _1031290=[o, n]
   Exit: (236) [system] [o, n]=[o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (235) [system] _1017354=[i, o, n]
   Exit: (235) [system] [i, o, n]=[i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (234) [system] _1003418=[t, i, o, n]
   Exit: (234) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (233) [system] _989482=[a, t, i, o, n]
   Exit: (233) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (232) [system] _975546=[c, a, t, i, o, n]
   Exit: (232) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (231) [system] _961610=[i, c, a, t, i, o, n]
   Exit: (231) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (230) [system] _947674=[l, i, c, a, t, i, o, n]
   Exit: (230) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (229) [system] _933738=[p, l, i, c, a, t, i, o, n]
   Exit: (229) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (228) [system] _919802=[m, p, l, i, c, a, t, i, o, n]
   Exit: (228) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (227) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _884292)
^  Call: (228) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1097320)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1098272, _1098274), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1097320), _1098254, fail)), '$restore_trace'(_1098272, _1098274))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1098272, _1098274))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1097320), _1098254, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1097320)
   Fail: (229) [system] atomic(_1097320)
   Call: (229) [system] atom_chars(_1097320, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (229) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (228) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (228) [system] integer('Implication')
   Fail: (228) [system] integer('Implication')
   Call: (228) [system] _884292='Implication'
   Exit: (228) [system] 'Implication'='Implication'
^  Exit: (227) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (226) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (225) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (225) [user] read_list(')', (0x55772f068e50), _1112270)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1114128)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x55772f068e50), _1123722)
   Exit: (227) [system] get_char((0x55772f068e50), ' ')
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1126426)
   Exit: (228) [system] peek_char((0x55772f068e50), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
   Call: (228) [system] '('=(/)
   Fail: (228) [system] '('=(/)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1143360)
   Exit: (226) [system] peek_char((0x55772f068e50), '(')
   Call: (226) [system] '('=')'
   Fail: (226) [system] '('=')'
   Call: (226) [system] '('=end_of_file
   Fail: (226) [system] '('=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x55772f068e50), _1148930)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1150788)
   Exit: (228) [system] peek_char((0x55772f068e50), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
   Call: (228) [system] '('=(/)
   Fail: (228) [system] '('=(/)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] get_char((0x55772f068e50), _1166798)
   Exit: (227) [system] get_char((0x55772f068e50), '(')
   Call: (227) [system] '('='('
   Exit: (227) [system] '('='('
^  Call: (227) [user] read_list(')', (0x55772f068e50), _1148930)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1172368)
   Exit: (229) [system] peek_char((0x55772f068e50), 'O')
   Call: (229) [system] 'O'=(;)
   Fail: (229) [system] 'O'=(;)
   Call: (229) [system] 'O'=(/)
   Fail: (229) [system] 'O'=(/)
^  Call: (229) [user] is_like_space('O')
   Call: (230) [system] char_type('O', 'white')
   Fail: (230) [system] char_type('O', 'white')
   Call: (230) [system] char_type('O', end_of_line)
   Fail: (230) [system] char_type('O', end_of_line)
   Call: (230) [system] char_type('O', space)
   Fail: (230) [system] char_type('O', space)
   Call: (230) [system] char_type('O', cntrl)
   Fail: (230) [system] char_type('O', cntrl)
^  Fail: (229) [user] is_like_space('O')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1188378)
   Exit: (228) [system] peek_char((0x55772f068e50), 'O')
   Call: (228) [system] 'O'=')'
   Fail: (228) [system] 'O'=')'
   Call: (228) [system] 'O'=end_of_file
   Fail: (228) [system] 'O'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x55772f068e50), _1193948)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1195806)
   Exit: (230) [system] peek_char((0x55772f068e50), 'O')
   Call: (230) [system] 'O'=(;)
   Fail: (230) [system] 'O'=(;)
   Call: (230) [system] 'O'=(/)
   Fail: (230) [system] 'O'=(/)
^  Call: (230) [user] is_like_space('O')
   Call: (231) [system] char_type('O', 'white')
   Fail: (231) [system] char_type('O', 'white')
   Call: (231) [system] char_type('O', end_of_line)
   Fail: (231) [system] char_type('O', end_of_line)
   Call: (231) [system] char_type('O', space)
   Fail: (231) [system] char_type('O', space)
   Call: (231) [system] char_type('O', cntrl)
   Fail: (231) [system] char_type('O', cntrl)
^  Fail: (230) [user] is_like_space('O')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] get_char((0x55772f068e50), _1211816)
   Exit: (229) [system] get_char((0x55772f068e50), 'O')
   Call: (229) [system] 'O'='('
   Fail: (229) [system] 'O'='('
   Call: (229) [system] 'O'='['
   Fail: (229) [system] 'O'='['
   Call: (229) [system] 'O'='{'
   Fail: (229) [system] 'O'='{'
   Call: (229) [system] 'O'='"'
   Fail: (229) [system] 'O'='"'
   Call: (229) [system] 'O'=!
   Fail: (229) [system] 'O'=!
   Call: (229) [system] 'O'='\''
   Fail: (229) [system] 'O'='\''
   Call: (229) [system] 'O'='`'
   Fail: (229) [system] 'O'='`'
   Call: (229) [system] 'O'=end_of_file
   Fail: (229) [system] 'O'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x55772f068e50), 'O', _1193948)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1229458)
   Call: (231) [system] peek_char((0x55772f068e50), _1230392)
   Exit: (231) [system] peek_char((0x55772f068e50), r)
^  Call: (231) [user] is_delimiter(r)
   Call: (232) [system] char_type(r, space)
   Fail: (232) [system] char_type(r, space)
   Call: (232) [system] arg(_1235112, v('(', ')', end_of_file), r)
   Fail: (232) [system] arg(_1236044, v('(', ')', end_of_file), r)
^  Fail: (231) [user] is_delimiter(r)
   Call: (231) [system] ')'==r
   Fail: (231) [system] ')'==r
   Call: (231) [system] get_char((0x55772f068e50), r)
   Exit: (231) [system] get_char((0x55772f068e50), r)
   Call: (231) [system] r=(\)
   Fail: (231) [system] r=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1243394)
   Call: (232) [system] peek_char((0x55772f068e50), _1244328)
   Exit: (232) [system] peek_char((0x55772f068e50), 'L')
^  Call: (232) [user] is_delimiter('L')
   Call: (233) [system] char_type('L', space)
   Fail: (233) [system] char_type('L', space)
   Call: (233) [system] arg(_1249048, v('(', ')', end_of_file), 'L')
   Fail: (233) [system] arg(_1249980, v('(', ')', end_of_file), 'L')
^  Fail: (232) [user] is_delimiter('L')
   Call: (232) [system] ')'=='L'
   Fail: (232) [system] ')'=='L'
   Call: (232) [system] get_char((0x55772f068e50), 'L')
   Exit: (232) [system] get_char((0x55772f068e50), 'L')
   Call: (232) [system] 'L'=(\)
   Fail: (232) [system] 'L'=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1257330)
   Call: (233) [system] peek_char((0x55772f068e50), _1258264)
   Exit: (233) [system] peek_char((0x55772f068e50), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_1262984, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_1263916, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x55772f068e50), i)
   Exit: (233) [system] get_char((0x55772f068e50), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1271266)
   Call: (234) [system] peek_char((0x55772f068e50), _1272200)
   Exit: (234) [system] peek_char((0x55772f068e50), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_1276920, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_1277852, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x55772f068e50), n)
   Exit: (234) [system] get_char((0x55772f068e50), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1285202)
   Call: (235) [system] peek_char((0x55772f068e50), _1286136)
   Exit: (235) [system] peek_char((0x55772f068e50), k)
^  Call: (235) [user] is_delimiter(k)
   Call: (236) [system] char_type(k, space)
   Fail: (236) [system] char_type(k, space)
   Call: (236) [system] arg(_1290856, v('(', ')', end_of_file), k)
   Fail: (236) [system] arg(_1291788, v('(', ')', end_of_file), k)
^  Fail: (235) [user] is_delimiter(k)
   Call: (235) [system] ')'==k
   Fail: (235) [system] ')'==k
   Call: (235) [system] get_char((0x55772f068e50), k)
   Exit: (235) [system] get_char((0x55772f068e50), k)
   Call: (235) [system] k=(\)
   Fail: (235) [system] k=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1299138)
   Call: (236) [system] peek_char((0x55772f068e50), _1300072)
   Exit: (236) [system] peek_char((0x55772f068e50), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _1299138=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (235) [system] _1285202=[k]
   Exit: (235) [system] [k]=[k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (234) [system] _1271266=[n, k]
   Exit: (234) [system] [n, k]=[n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (233) [system] _1257330=[i, n, k]
   Exit: (233) [system] [i, n, k]=[i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (232) [system] _1243394=['L', i, n, k]
   Exit: (232) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (231) [system] _1229458=[r, 'L', i, n, k]
   Exit: (231) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (230) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1193948)
^  Call: (231) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1323326)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1324278, _1324280), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1323326), _1324260, fail)), '$restore_trace'(_1324278, _1324280))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1324278, _1324280))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1323326), _1324260, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_1323326)
   Fail: (232) [system] atomic(_1323326)
   Call: (232) [system] atom_chars(_1323326, ['O', r, 'L', i, n, k])
   Exit: (232) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (231) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (231) [system] integer('OrLink')
   Fail: (231) [system] integer('OrLink')
   Call: (231) [system] _1193948='OrLink'
   Exit: (231) [system] 'OrLink'='OrLink'
^  Exit: (230) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (229) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (228) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (228) [user] read_list(')', (0x55772f068e50), _1338276)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1340134)
   Exit: (230) [system] peek_char((0x55772f068e50), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
   Call: (230) [system] ' '=(/)
   Fail: (230) [system] ' '=(/)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x55772f068e50), _1349728)
   Exit: (230) [system] get_char((0x55772f068e50), ' ')
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1352432)
   Exit: (231) [system] peek_char((0x55772f068e50), 'C')
   Call: (231) [system] 'C'=(;)
   Fail: (231) [system] 'C'=(;)
   Call: (231) [system] 'C'=(/)
   Fail: (231) [system] 'C'=(/)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Fail: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Fail: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Fail: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
   Fail: (232) [system] char_type('C', cntrl)
^  Fail: (231) [user] is_like_space('C')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1369366)
   Exit: (229) [system] peek_char((0x55772f068e50), 'C')
   Call: (229) [system] 'C'=')'
   Fail: (229) [system] 'C'=')'
   Call: (229) [system] 'C'=end_of_file
   Fail: (229) [system] 'C'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x55772f068e50), _1374936)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1376794)
   Exit: (231) [system] peek_char((0x55772f068e50), 'C')
   Call: (231) [system] 'C'=(;)
   Fail: (231) [system] 'C'=(;)
   Call: (231) [system] 'C'=(/)
   Fail: (231) [system] 'C'=(/)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Fail: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Fail: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Fail: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
   Fail: (232) [system] char_type('C', cntrl)
^  Fail: (231) [user] is_like_space('C')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] get_char((0x55772f068e50), _1392804)
   Exit: (230) [system] get_char((0x55772f068e50), 'C')
   Call: (230) [system] 'C'='('
   Fail: (230) [system] 'C'='('
   Call: (230) [system] 'C'='['
   Fail: (230) [system] 'C'='['
   Call: (230) [system] 'C'='{'
   Fail: (230) [system] 'C'='{'
   Call: (230) [system] 'C'='"'
   Fail: (230) [system] 'C'='"'
   Call: (230) [system] 'C'=!
   Fail: (230) [system] 'C'=!
   Call: (230) [system] 'C'='\''
   Fail: (230) [system] 'C'='\''
   Call: (230) [system] 'C'='`'
   Fail: (230) [system] 'C'='`'
   Call: (230) [system] 'C'=end_of_file
   Fail: (230) [system] 'C'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x55772f068e50), 'C', _1374936)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1410446)
   Call: (232) [system] peek_char((0x55772f068e50), _1411380)
   Exit: (232) [system] peek_char((0x55772f068e50), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1410446=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (231) [user] classify_and_convert_charseq(['C'], _1374936)
^  Call: (232) [user] classify_and_convert_charseq_(['C'], _1420664)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1421616, _1421618), once(user:catch(read_from_chars(['C'], _1420664), _1421598, fail)), '$restore_trace'(_1421616, _1421618))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1421616, _1421618))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1420664), _1421598, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_1420664)
   Fail: (233) [system] atomic(_1420664)
   Call: (233) [system] atom_chars(_1420664, ['C'])
   Exit: (233) [system] atom_chars('C', ['C'])
^  Exit: (232) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (232) [system] integer('C')
   Fail: (232) [system] integer('C')
   Call: (232) [system] _1374936='C'
   Exit: (232) [system] 'C'='C'
^  Exit: (231) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (230) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (229) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (229) [user] read_list(')', (0x55772f068e50), _1435614)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1437472)
   Exit: (231) [system] peek_char((0x55772f068e50), ' ')
   Call: (231) [system] ' '=(;)
   Fail: (231) [system] ' '=(;)
   Call: (231) [system] ' '=(/)
   Fail: (231) [system] ' '=(/)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x55772f068e50), _1447066)
   Exit: (231) [system] get_char((0x55772f068e50), ' ')
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _1449770)
   Exit: (232) [system] peek_char((0x55772f068e50), 'D')
   Call: (232) [system] 'D'=(;)
   Fail: (232) [system] 'D'=(;)
   Call: (232) [system] 'D'=(/)
   Fail: (232) [system] 'D'=(/)
^  Call: (232) [user] is_like_space('D')
   Call: (233) [system] char_type('D', 'white')
   Fail: (233) [system] char_type('D', 'white')
   Call: (233) [system] char_type('D', end_of_line)
   Fail: (233) [system] char_type('D', end_of_line)
   Call: (233) [system] char_type('D', space)
   Fail: (233) [system] char_type('D', space)
   Call: (233) [system] char_type('D', cntrl)
   Fail: (233) [system] char_type('D', cntrl)
^  Fail: (232) [user] is_like_space('D')
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1466704)
   Exit: (230) [system] peek_char((0x55772f068e50), 'D')
   Call: (230) [system] 'D'=')'
   Fail: (230) [system] 'D'=')'
   Call: (230) [system] 'D'=end_of_file
   Fail: (230) [system] 'D'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x55772f068e50), _1472274)
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _1474132)
   Exit: (232) [system] peek_char((0x55772f068e50), 'D')
   Call: (232) [system] 'D'=(;)
   Fail: (232) [system] 'D'=(;)
   Call: (232) [system] 'D'=(/)
   Fail: (232) [system] 'D'=(/)
^  Call: (232) [user] is_like_space('D')
   Call: (233) [system] char_type('D', 'white')
   Fail: (233) [system] char_type('D', 'white')
   Call: (233) [system] char_type('D', end_of_line)
   Fail: (233) [system] char_type('D', end_of_line)
   Call: (233) [system] char_type('D', space)
   Fail: (233) [system] char_type('D', space)
   Call: (233) [system] char_type('D', cntrl)
   Fail: (233) [system] char_type('D', cntrl)
^  Fail: (232) [user] is_like_space('D')
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] get_char((0x55772f068e50), _1490142)
   Exit: (231) [system] get_char((0x55772f068e50), 'D')
   Call: (231) [system] 'D'='('
   Fail: (231) [system] 'D'='('
   Call: (231) [system] 'D'='['
   Fail: (231) [system] 'D'='['
   Call: (231) [system] 'D'='{'
   Fail: (231) [system] 'D'='{'
   Call: (231) [system] 'D'='"'
   Fail: (231) [system] 'D'='"'
   Call: (231) [system] 'D'=!
   Fail: (231) [system] 'D'=!
   Call: (231) [system] 'D'='\''
   Fail: (231) [system] 'D'='\''
   Call: (231) [system] 'D'='`'
   Fail: (231) [system] 'D'='`'
   Call: (231) [system] 'D'=end_of_file
   Fail: (231) [system] 'D'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x55772f068e50), 'D', _1472274)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1507784)
   Call: (233) [system] peek_char((0x55772f068e50), _1508718)
   Exit: (233) [system] peek_char((0x55772f068e50), ')')
^  Call: (233) [user] is_delimiter(')')
   Call: (234) [system] char_type(')', space)
   Fail: (234) [system] char_type(')', space)
   Call: (234) [system] arg(_1513438, v('(', ')', end_of_file), ')')
   Exit: (234) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (233) [user] is_delimiter(')')
   Call: (233) [system] _1507784=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (232) [user] classify_and_convert_charseq(['D'], _1472274)
^  Call: (233) [user] classify_and_convert_charseq_(['D'], _1519874)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_1520826, _1520828), once(user:catch(read_from_chars(['D'], _1519874), _1520808, fail)), '$restore_trace'(_1520826, _1520828))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_1520826, _1520828))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1519874), _1520808, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_1519874)
   Fail: (234) [system] atomic(_1519874)
   Call: (234) [system] atom_chars(_1519874, ['D'])
   Exit: (234) [system] atom_chars('D', ['D'])
^  Exit: (233) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (233) [system] integer('D')
   Fail: (233) [system] integer('D')
   Call: (233) [system] _1472274='D'
   Exit: (233) [system] 'D'='D'
^  Exit: (232) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (231) [user] read_symbolic(')', (0x55772f068e50), 'D', 'D')
^  Exit: (230) [user] cont_sexpr(')', (0x55772f068e50), 'D')
^  Call: (230) [user] read_list(')', (0x55772f068e50), _1534824)
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _1536682)
   Exit: (232) [system] peek_char((0x55772f068e50), ')')
   Call: (232) [system] ')'=(;)
   Fail: (232) [system] ')'=(;)
   Call: (232) [system] ')'=(/)
   Fail: (232) [system] ')'=(/)
^  Call: (232) [user] is_like_space(')')
   Call: (233) [system] char_type(')', 'white')
   Fail: (233) [system] char_type(')', 'white')
   Call: (233) [system] char_type(')', end_of_line)
   Fail: (233) [system] char_type(')', end_of_line)
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] char_type(')', cntrl)
   Fail: (233) [system] char_type(')', cntrl)
^  Fail: (232) [user] is_like_space(')')
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1552692)
   Exit: (231) [system] peek_char((0x55772f068e50), ')')
   Call: (231) [system] ')'=')'
   Exit: (231) [system] ')'=')'
   Call: (231) [system] get_char((0x55772f068e50), _1556482)
   Exit: (231) [system] get_char((0x55772f068e50), ')')
   Call: (231) [system] _1534824=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_list(')', (0x55772f068e50), [])
   Call: (230) [system] _1435614=['D']
   Exit: (230) [system] ['D']=['D']
^  Exit: (229) [user] read_list(')', (0x55772f068e50), ['D'])
   Call: (229) [system] _1338276=['C', 'D']
   Exit: (229) [system] ['C', 'D']=['C', 'D']
^  Exit: (228) [user] read_list(')', (0x55772f068e50), ['C', 'D'])
   Call: (228) [system] _1148930=['OrLink', 'C', 'D']
   Exit: (228) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (227) [user] read_list(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Exit: (226) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Call: (226) [user] read_list(')', (0x55772f068e50), _1570364)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1572222)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x55772f068e50), _1581816)
   Exit: (228) [system] get_char((0x55772f068e50), ' ')
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1584520)
   Exit: (229) [system] peek_char((0x55772f068e50), 'E')
   Call: (229) [system] 'E'=(;)
   Fail: (229) [system] 'E'=(;)
   Call: (229) [system] 'E'=(/)
   Fail: (229) [system] 'E'=(/)
^  Call: (229) [user] is_like_space('E')
   Call: (230) [system] char_type('E', 'white')
   Fail: (230) [system] char_type('E', 'white')
   Call: (230) [system] char_type('E', end_of_line)
   Fail: (230) [system] char_type('E', end_of_line)
   Call: (230) [system] char_type('E', space)
   Fail: (230) [system] char_type('E', space)
   Call: (230) [system] char_type('E', cntrl)
   Fail: (230) [system] char_type('E', cntrl)
^  Fail: (229) [user] is_like_space('E')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1601454)
   Exit: (227) [system] peek_char((0x55772f068e50), 'E')
   Call: (227) [system] 'E'=')'
   Fail: (227) [system] 'E'=')'
   Call: (227) [system] 'E'=end_of_file
   Fail: (227) [system] 'E'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x55772f068e50), _1607024)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1608882)
   Exit: (229) [system] peek_char((0x55772f068e50), 'E')
   Call: (229) [system] 'E'=(;)
   Fail: (229) [system] 'E'=(;)
   Call: (229) [system] 'E'=(/)
   Fail: (229) [system] 'E'=(/)
^  Call: (229) [user] is_like_space('E')
   Call: (230) [system] char_type('E', 'white')
   Fail: (230) [system] char_type('E', 'white')
   Call: (230) [system] char_type('E', end_of_line)
   Fail: (230) [system] char_type('E', end_of_line)
   Call: (230) [system] char_type('E', space)
   Fail: (230) [system] char_type('E', space)
   Call: (230) [system] char_type('E', cntrl)
   Fail: (230) [system] char_type('E', cntrl)
^  Fail: (229) [user] is_like_space('E')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] get_char((0x55772f068e50), _1624892)
   Exit: (228) [system] get_char((0x55772f068e50), 'E')
   Call: (228) [system] 'E'='('
   Fail: (228) [system] 'E'='('
   Call: (228) [system] 'E'='['
   Fail: (228) [system] 'E'='['
   Call: (228) [system] 'E'='{'
   Fail: (228) [system] 'E'='{'
   Call: (228) [system] 'E'='"'
   Fail: (228) [system] 'E'='"'
   Call: (228) [system] 'E'=!
   Fail: (228) [system] 'E'=!
   Call: (228) [system] 'E'='\''
   Fail: (228) [system] 'E'='\''
   Call: (228) [system] 'E'='`'
   Fail: (228) [system] 'E'='`'
   Call: (228) [system] 'E'=end_of_file
   Fail: (228) [system] 'E'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x55772f068e50), 'E', _1607024)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1642534)
   Call: (230) [system] peek_char((0x55772f068e50), _1643468)
   Exit: (230) [system] peek_char((0x55772f068e50), ')')
^  Call: (230) [user] is_delimiter(')')
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] arg(_1648188, v('(', ')', end_of_file), ')')
   Exit: (231) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (230) [user] is_delimiter(')')
   Call: (230) [system] _1642534=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (229) [user] classify_and_convert_charseq(['E'], _1607024)
^  Call: (230) [user] classify_and_convert_charseq_(['E'], _1654624)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1655576, _1655578), once(user:catch(read_from_chars(['E'], _1654624), _1655558, fail)), '$restore_trace'(_1655576, _1655578))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1655576, _1655578))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1654624), _1655558, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1654624)
   Fail: (231) [system] atomic(_1654624)
   Call: (231) [system] atom_chars(_1654624, ['E'])
   Exit: (231) [system] atom_chars('E', ['E'])
^  Exit: (230) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (230) [system] integer('E')
   Fail: (230) [system] integer('E')
   Call: (230) [system] _1607024='E'
   Exit: (230) [system] 'E'='E'
^  Exit: (229) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (228) [user] read_symbolic(')', (0x55772f068e50), 'E', 'E')
^  Exit: (227) [user] cont_sexpr(')', (0x55772f068e50), 'E')
^  Call: (227) [user] read_list(')', (0x55772f068e50), _1669574)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1671432)
   Exit: (229) [system] peek_char((0x55772f068e50), ')')
   Call: (229) [system] ')'=(;)
   Fail: (229) [system] ')'=(;)
   Call: (229) [system] ')'=(/)
   Fail: (229) [system] ')'=(/)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Fail: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Fail: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
   Fail: (230) [system] char_type(')', cntrl)
^  Fail: (229) [user] is_like_space(')')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1687442)
   Exit: (228) [system] peek_char((0x55772f068e50), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x55772f068e50), _1691232)
   Exit: (228) [system] get_char((0x55772f068e50), ')')
   Call: (228) [system] _1669574=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x55772f068e50), [])
   Call: (227) [system] _1570364=['E']
   Exit: (227) [system] ['E']=['E']
^  Exit: (226) [user] read_list(')', (0x55772f068e50), ['E'])
   Call: (226) [system] _1112270=[['OrLink', 'C', 'D'], 'E']
   Exit: (226) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (225) [user] read_list(')', (0x55772f068e50), [['OrLink', 'C', 'D'], 'E'])
   Call: (225) [system] _839274=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (225) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (224) [user] read_list(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (223) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (223) [user] read_list(')', (0x55772f068e50), _1705114)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1706972)
   Exit: (225) [system] peek_char((0x55772f068e50), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
   Call: (225) [system] ')'=(/)
   Fail: (225) [system] ')'=(/)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1722982)
   Exit: (224) [system] peek_char((0x55772f068e50), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x55772f068e50), _1726772)
   Exit: (224) [system] get_char((0x55772f068e50), ')')
   Call: (224) [system] _1705114=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x55772f068e50), [])
   Call: (223) [system] _802614=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (223) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (222) [user] read_list(')', (0x55772f068e50), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (222) [system] _5790=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (222) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (221) [user] read_list(')', (0x55772f068e50), [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (221) [system] _5782=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (221) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (220) [user] read_list(')', (0x55772f068e50), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (219) [user] read_list(')', (0x55772f068e50), _1740654)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1742512)
   Exit: (221) [system] peek_char((0x55772f068e50), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
   Call: (221) [system] ')'=(/)
   Fail: (221) [system] ')'=(/)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1758522)
   Exit: (220) [system] peek_char((0x55772f068e50), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x55772f068e50), _1762312)
   Exit: (220) [system] get_char((0x55772f068e50), ')')
   Call: (220) [system] _1740654=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x55772f068e50), [])
   Call: (219) [system] _5778=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (219) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (218) [user] read_list(')', (0x55772f068e50), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (218) [system] _5754=[['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (218) [system] [['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (217) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (217) [system] _5746=[:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (217) [system] [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (216) [user] read_list(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (215) [user] cont_sexpr(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (215) [user] read_list(')', (0x55772f068e50), _1776194)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1778052)
   Exit: (217) [system] peek_char((0x55772f068e50), '\n')
   Call: (217) [system] '\n'=(;)
   Fail: (217) [system] '\n'=(;)
   Call: (217) [system] '\n'=(/)
   Fail: (217) [system] '\n'=(/)
^  Call: (217) [user] is_like_space('\n')
   Call: (218) [system] char_type('\n', 'white')
   Fail: (218) [system] char_type('\n', 'white')
   Call: (218) [system] char_type('\n', end_of_line)
   Exit: (218) [system] char_type('\n', end_of_line)
^  Exit: (217) [user] is_like_space('\n')
   Call: (217) [system] get_char((0x55772f068e50), _1789502)
   Exit: (217) [system] get_char((0x55772f068e50), '\n')
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1792206)
   Exit: (218) [system] peek_char((0x55772f068e50), '\t')
   Call: (218) [system] '\t'=(;)
   Fail: (218) [system] '\t'=(;)
   Call: (218) [system] '\t'=(/)
   Fail: (218) [system] '\t'=(/)
^  Call: (218) [user] is_like_space('\t')
   Call: (219) [system] char_type('\t', 'white')
   Exit: (219) [system] char_type('\t', 'white')
^  Exit: (218) [user] is_like_space('\t')
   Call: (218) [system] get_char((0x55772f068e50), _1801800)
   Exit: (218) [system] get_char((0x55772f068e50), '\t')
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1804504)
   Exit: (219) [system] peek_char((0x55772f068e50), '\t')
   Call: (219) [system] '\t'=(;)
   Fail: (219) [system] '\t'=(;)
   Call: (219) [system] '\t'=(/)
   Fail: (219) [system] '\t'=(/)
^  Call: (219) [user] is_like_space('\t')
   Call: (220) [system] char_type('\t', 'white')
   Exit: (220) [system] char_type('\t', 'white')
^  Exit: (219) [user] is_like_space('\t')
   Call: (219) [system] get_char((0x55772f068e50), _1814098)
   Exit: (219) [system] get_char((0x55772f068e50), '\t')
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1816802)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x55772f068e50), _1826396)
   Exit: (220) [system] get_char((0x55772f068e50), ' ')
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1829100)
   Exit: (221) [system] peek_char((0x55772f068e50), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1848806)
   Exit: (216) [system] peek_char((0x55772f068e50), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x55772f068e50), _1854376)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1856234)
   Exit: (218) [system] peek_char((0x55772f068e50), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] get_char((0x55772f068e50), _1872244)
   Exit: (217) [system] get_char((0x55772f068e50), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x55772f068e50), _1854376)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1877814)
   Exit: (219) [system] peek_char((0x55772f068e50), :)
   Call: (219) [system] (:)=(;)
   Fail: (219) [system] (:)=(;)
   Call: (219) [system] (:)=(/)
   Fail: (219) [system] (:)=(/)
^  Call: (219) [user] is_like_space(:)
   Call: (220) [system] char_type(:, 'white')
   Fail: (220) [system] char_type(:, 'white')
   Call: (220) [system] char_type(:, end_of_line)
   Fail: (220) [system] char_type(:, end_of_line)
   Call: (220) [system] char_type(:, space)
   Fail: (220) [system] char_type(:, space)
   Call: (220) [system] char_type(:, cntrl)
   Fail: (220) [system] char_type(:, cntrl)
^  Fail: (219) [user] is_like_space(:)
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1893824)
   Exit: (218) [system] peek_char((0x55772f068e50), :)
   Call: (218) [system] (:)=')'
   Fail: (218) [system] (:)=')'
   Call: (218) [system] (:)=end_of_file
   Fail: (218) [system] (:)=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _1899394)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1901252)
   Exit: (220) [system] peek_char((0x55772f068e50), :)
   Call: (220) [system] (:)=(;)
   Fail: (220) [system] (:)=(;)
   Call: (220) [system] (:)=(/)
   Fail: (220) [system] (:)=(/)
^  Call: (220) [user] is_like_space(:)
   Call: (221) [system] char_type(:, 'white')
   Fail: (221) [system] char_type(:, 'white')
   Call: (221) [system] char_type(:, end_of_line)
   Fail: (221) [system] char_type(:, end_of_line)
   Call: (221) [system] char_type(:, space)
   Fail: (221) [system] char_type(:, space)
   Call: (221) [system] char_type(:, cntrl)
   Fail: (221) [system] char_type(:, cntrl)
^  Fail: (220) [user] is_like_space(:)
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _1917262)
   Exit: (219) [system] get_char((0x55772f068e50), :)
   Call: (219) [system] (:)='('
   Fail: (219) [system] (:)='('
   Call: (219) [system] (:)='['
   Fail: (219) [system] (:)='['
   Call: (219) [system] (:)='{'
   Fail: (219) [system] (:)='{'
   Call: (219) [system] (:)='"'
   Fail: (219) [system] (:)='"'
   Call: (219) [system] (:)=!
   Fail: (219) [system] (:)=!
   Call: (219) [system] (:)='\''
   Fail: (219) [system] (:)='\''
   Call: (219) [system] (:)='`'
   Fail: (219) [system] (:)='`'
   Call: (219) [system] (:)=end_of_file
   Fail: (219) [system] (:)=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x55772f068e50), :, _1899394)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1934904)
   Call: (221) [system] peek_char((0x55772f068e50), _1935838)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _1934904=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (220) [user] classify_and_convert_charseq([:], _1899394)
^  Call: (221) [user] classify_and_convert_charseq_([:], _1945122)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_1946074, _1946076), once(user:catch(read_from_chars([:], _1945122), _1946056, fail)), '$restore_trace'(_1946074, _1946076))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_1946074, _1946076))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1946056, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(:)
   Exit: (222) [system] atomic(:)
^  Exit: (221) [user] classify_and_convert_charseq_([:], :)
   Call: (221) [system] integer(:)
   Fail: (221) [system] integer(:)
   Call: (221) [system] _1899394=(:)
   Exit: (221) [system] (:)=(:)
^  Exit: (220) [user] classify_and_convert_charseq([:], :)
^  Exit: (219) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (218) [user] read_list(')', (0x55772f068e50), _1958202)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1960060)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x55772f068e50), _1969654)
   Exit: (220) [system] get_char((0x55772f068e50), ' ')
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1972358)
   Exit: (221) [system] peek_char((0x55772f068e50), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1989292)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _1994862)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1996720)
   Exit: (221) [system] peek_char((0x55772f068e50), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _2012730)
   Exit: (220) [system] get_char((0x55772f068e50), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x55772f068e50), _1994862)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _2018300)
   Exit: (222) [system] peek_char((0x55772f068e50), 'D')
   Call: (222) [system] 'D'=(;)
   Fail: (222) [system] 'D'=(;)
   Call: (222) [system] 'D'=(/)
   Fail: (222) [system] 'D'=(/)
^  Call: (222) [user] is_like_space('D')
   Call: (223) [system] char_type('D', 'white')
   Fail: (223) [system] char_type('D', 'white')
   Call: (223) [system] char_type('D', end_of_line)
   Fail: (223) [system] char_type('D', end_of_line)
   Call: (223) [system] char_type('D', space)
   Fail: (223) [system] char_type('D', space)
   Call: (223) [system] char_type('D', cntrl)
   Fail: (223) [system] char_type('D', cntrl)
^  Fail: (222) [user] is_like_space('D')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _2034310)
   Exit: (221) [system] peek_char((0x55772f068e50), 'D')
   Call: (221) [system] 'D'=')'
   Fail: (221) [system] 'D'=')'
   Call: (221) [system] 'D'=end_of_file
   Fail: (221) [system] 'D'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _2039880)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _2041738)
   Exit: (223) [system] peek_char((0x55772f068e50), 'D')
   Call: (223) [system] 'D'=(;)
   Fail: (223) [system] 'D'=(;)
   Call: (223) [system] 'D'=(/)
   Fail: (223) [system] 'D'=(/)
^  Call: (223) [user] is_like_space('D')
   Call: (224) [system] char_type('D', 'white')
   Fail: (224) [system] char_type('D', 'white')
   Call: (224) [system] char_type('D', end_of_line)
   Fail: (224) [system] char_type('D', end_of_line)
   Call: (224) [system] char_type('D', space)
   Fail: (224) [system] char_type('D', space)
   Call: (224) [system] char_type('D', cntrl)
   Fail: (224) [system] char_type('D', cntrl)
^  Fail: (223) [user] is_like_space('D')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _2057748)
   Exit: (222) [system] get_char((0x55772f068e50), 'D')
   Call: (222) [system] 'D'='('
   Fail: (222) [system] 'D'='('
   Call: (222) [system] 'D'='['
   Fail: (222) [system] 'D'='['
   Call: (222) [system] 'D'='{'
   Fail: (222) [system] 'D'='{'
   Call: (222) [system] 'D'='"'
   Fail: (222) [system] 'D'='"'
   Call: (222) [system] 'D'=!
   Fail: (222) [system] 'D'=!
   Call: (222) [system] 'D'='\''
   Fail: (222) [system] 'D'='\''
   Call: (222) [system] 'D'='`'
   Fail: (222) [system] 'D'='`'
   Call: (222) [system] 'D'=end_of_file
   Fail: (222) [system] 'D'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x55772f068e50), 'D', _2039880)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _2075390)
   Call: (224) [system] peek_char((0x55772f068e50), _2076324)
   Exit: (224) [system] peek_char((0x55772f068e50), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_2081044, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_2081976, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x55772f068e50), i)
   Exit: (224) [system] get_char((0x55772f068e50), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _2089326)
   Call: (225) [system] peek_char((0x55772f068e50), _2090260)
   Exit: (225) [system] peek_char((0x55772f068e50), s)
^  Call: (225) [user] is_delimiter(s)
   Call: (226) [system] char_type(s, space)
   Fail: (226) [system] char_type(s, space)
   Call: (226) [system] arg(_2094980, v('(', ')', end_of_file), s)
   Fail: (226) [system] arg(_2095912, v('(', ')', end_of_file), s)
^  Fail: (225) [user] is_delimiter(s)
   Call: (225) [system] ')'==s
   Fail: (225) [system] ')'==s
   Call: (225) [system] get_char((0x55772f068e50), s)
   Exit: (225) [system] get_char((0x55772f068e50), s)
   Call: (225) [system] s=(\)
   Fail: (225) [system] s=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _12284)
   Call: (226) [system] peek_char((0x55772f068e50), _13218)
   Exit: (226) [system] peek_char((0x55772f068e50), j)
^  Call: (226) [user] is_delimiter(j)
   Call: (227) [system] char_type(j, space)
   Fail: (227) [system] char_type(j, space)
   Call: (227) [system] arg(_17938, v('(', ')', end_of_file), j)
   Fail: (227) [system] arg(_18870, v('(', ')', end_of_file), j)
^  Fail: (226) [user] is_delimiter(j)
   Call: (226) [system] ')'==j
   Fail: (226) [system] ')'==j
   Call: (226) [system] get_char((0x55772f068e50), j)
   Exit: (226) [system] get_char((0x55772f068e50), j)
   Call: (226) [system] j=(\)
   Fail: (226) [system] j=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _26220)
   Call: (227) [system] peek_char((0x55772f068e50), _27154)
   Exit: (227) [system] peek_char((0x55772f068e50), u)
^  Call: (227) [user] is_delimiter(u)
   Call: (228) [system] char_type(u, space)
   Fail: (228) [system] char_type(u, space)
   Call: (228) [system] arg(_31874, v('(', ')', end_of_file), u)
   Fail: (228) [system] arg(_32806, v('(', ')', end_of_file), u)
^  Fail: (227) [user] is_delimiter(u)
   Call: (227) [system] ')'==u
   Fail: (227) [system] ')'==u
   Call: (227) [system] get_char((0x55772f068e50), u)
   Exit: (227) [system] get_char((0x55772f068e50), u)
   Call: (227) [system] u=(\)
   Fail: (227) [system] u=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _40156)
   Call: (228) [system] peek_char((0x55772f068e50), _41090)
   Exit: (228) [system] peek_char((0x55772f068e50), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_45810, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_46742, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x55772f068e50), n)
   Exit: (228) [system] get_char((0x55772f068e50), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _54092)
   Call: (229) [system] peek_char((0x55772f068e50), _55026)
   Exit: (229) [system] peek_char((0x55772f068e50), c)
^  Call: (229) [user] is_delimiter(c)
   Call: (230) [system] char_type(c, space)
   Fail: (230) [system] char_type(c, space)
   Call: (230) [system] arg(_59746, v('(', ')', end_of_file), c)
   Fail: (230) [system] arg(_60678, v('(', ')', end_of_file), c)
^  Fail: (229) [user] is_delimiter(c)
   Call: (229) [system] ')'==c
   Fail: (229) [system] ')'==c
   Call: (229) [system] get_char((0x55772f068e50), c)
   Exit: (229) [system] get_char((0x55772f068e50), c)
   Call: (229) [system] c=(\)
   Fail: (229) [system] c=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _68028)
   Call: (230) [system] peek_char((0x55772f068e50), _68962)
   Exit: (230) [system] peek_char((0x55772f068e50), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_73682, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_74614, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x55772f068e50), t)
   Exit: (230) [system] get_char((0x55772f068e50), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _81964)
   Call: (231) [system] peek_char((0x55772f068e50), _82898)
   Exit: (231) [system] peek_char((0x55772f068e50), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_87618, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_88550, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x55772f068e50), i)
   Exit: (231) [system] get_char((0x55772f068e50), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _95900)
   Call: (232) [system] peek_char((0x55772f068e50), _96834)
   Exit: (232) [system] peek_char((0x55772f068e50), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_101554, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_102486, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x55772f068e50), o)
   Exit: (232) [system] get_char((0x55772f068e50), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _109836)
   Call: (233) [system] peek_char((0x55772f068e50), _110770)
   Exit: (233) [system] peek_char((0x55772f068e50), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_115490, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_116422, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x55772f068e50), n)
   Exit: (233) [system] get_char((0x55772f068e50), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _123772)
   Call: (234) [system] peek_char((0x55772f068e50), _124706)
   Exit: (234) [system] peek_char((0x55772f068e50), 'I')
^  Call: (234) [user] is_delimiter('I')
   Call: (235) [system] char_type('I', space)
   Fail: (235) [system] char_type('I', space)
   Call: (235) [system] arg(_129426, v('(', ')', end_of_file), 'I')
   Fail: (235) [system] arg(_130358, v('(', ')', end_of_file), 'I')
^  Fail: (234) [user] is_delimiter('I')
   Call: (234) [system] ')'=='I'
   Fail: (234) [system] ')'=='I'
   Call: (234) [system] get_char((0x55772f068e50), 'I')
   Exit: (234) [system] get_char((0x55772f068e50), 'I')
   Call: (234) [system] 'I'=(\)
   Fail: (234) [system] 'I'=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _137708)
   Call: (235) [system] peek_char((0x55772f068e50), _138642)
   Exit: (235) [system] peek_char((0x55772f068e50), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_143362, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_144294, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x55772f068e50), n)
   Exit: (235) [system] get_char((0x55772f068e50), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _151644)
   Call: (236) [system] peek_char((0x55772f068e50), _152578)
   Exit: (236) [system] peek_char((0x55772f068e50), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Fail: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_157298, v('(', ')', end_of_file), t)
   Fail: (237) [system] arg(_158230, v('(', ')', end_of_file), t)
^  Fail: (236) [user] is_delimiter(t)
   Call: (236) [system] ')'==t
   Fail: (236) [system] ')'==t
   Call: (236) [system] get_char((0x55772f068e50), t)
   Exit: (236) [system] get_char((0x55772f068e50), t)
   Call: (236) [system] t=(\)
   Fail: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _165580)
   Call: (237) [system] peek_char((0x55772f068e50), _166514)
   Exit: (237) [system] peek_char((0x55772f068e50), r)
^  Call: (237) [user] is_delimiter(r)
   Call: (238) [system] char_type(r, space)
   Fail: (238) [system] char_type(r, space)
   Call: (238) [system] arg(_171234, v('(', ')', end_of_file), r)
   Fail: (238) [system] arg(_172166, v('(', ')', end_of_file), r)
^  Fail: (237) [user] is_delimiter(r)
   Call: (237) [system] ')'==r
   Fail: (237) [system] ')'==r
   Call: (237) [system] get_char((0x55772f068e50), r)
   Exit: (237) [system] get_char((0x55772f068e50), r)
   Call: (237) [system] r=(\)
   Fail: (237) [system] r=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _179516)
   Call: (238) [system] peek_char((0x55772f068e50), _180450)
   Exit: (238) [system] peek_char((0x55772f068e50), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Fail: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_185170, v('(', ')', end_of_file), o)
   Fail: (239) [system] arg(_186102, v('(', ')', end_of_file), o)
^  Fail: (238) [user] is_delimiter(o)
   Call: (238) [system] ')'==o
   Fail: (238) [system] ')'==o
   Call: (238) [system] get_char((0x55772f068e50), o)
   Exit: (238) [system] get_char((0x55772f068e50), o)
   Call: (238) [system] o=(\)
   Fail: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _193452)
   Call: (239) [system] peek_char((0x55772f068e50), _194386)
   Exit: (239) [system] peek_char((0x55772f068e50), d)
^  Call: (239) [user] is_delimiter(d)
   Call: (240) [system] char_type(d, space)
   Fail: (240) [system] char_type(d, space)
   Call: (240) [system] arg(_199106, v('(', ')', end_of_file), d)
   Fail: (240) [system] arg(_200038, v('(', ')', end_of_file), d)
^  Fail: (239) [user] is_delimiter(d)
   Call: (239) [system] ')'==d
   Fail: (239) [system] ')'==d
   Call: (239) [system] get_char((0x55772f068e50), d)
   Exit: (239) [system] get_char((0x55772f068e50), d)
   Call: (239) [system] d=(\)
   Fail: (239) [system] d=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _207388)
   Call: (240) [system] peek_char((0x55772f068e50), _208322)
   Exit: (240) [system] peek_char((0x55772f068e50), u)
^  Call: (240) [user] is_delimiter(u)
   Call: (241) [system] char_type(u, space)
   Fail: (241) [system] char_type(u, space)
   Call: (241) [system] arg(_213042, v('(', ')', end_of_file), u)
   Fail: (241) [system] arg(_213974, v('(', ')', end_of_file), u)
^  Fail: (240) [user] is_delimiter(u)
   Call: (240) [system] ')'==u
   Fail: (240) [system] ')'==u
   Call: (240) [system] get_char((0x55772f068e50), u)
   Exit: (240) [system] get_char((0x55772f068e50), u)
   Call: (240) [system] u=(\)
   Fail: (240) [system] u=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _221324)
   Call: (241) [system] peek_char((0x55772f068e50), _222258)
   Exit: (241) [system] peek_char((0x55772f068e50), c)
^  Call: (241) [user] is_delimiter(c)
   Call: (242) [system] char_type(c, space)
   Fail: (242) [system] char_type(c, space)
   Call: (242) [system] arg(_226978, v('(', ')', end_of_file), c)
   Fail: (242) [system] arg(_227910, v('(', ')', end_of_file), c)
^  Fail: (241) [user] is_delimiter(c)
   Call: (241) [system] ')'==c
   Fail: (241) [system] ')'==c
   Call: (241) [system] get_char((0x55772f068e50), c)
   Exit: (241) [system] get_char((0x55772f068e50), c)
   Call: (241) [system] c=(\)
   Fail: (241) [system] c=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x55772f068e50), _235260)
   Call: (242) [system] peek_char((0x55772f068e50), _236194)
   Exit: (242) [system] peek_char((0x55772f068e50), t)
^  Call: (242) [user] is_delimiter(t)
   Call: (243) [system] char_type(t, space)
   Fail: (243) [system] char_type(t, space)
   Call: (243) [system] arg(_240914, v('(', ')', end_of_file), t)
   Fail: (243) [system] arg(_241846, v('(', ')', end_of_file), t)
^  Fail: (242) [user] is_delimiter(t)
   Call: (242) [system] ')'==t
   Fail: (242) [system] ')'==t
   Call: (242) [system] get_char((0x55772f068e50), t)
   Exit: (242) [system] get_char((0x55772f068e50), t)
   Call: (242) [system] t=(\)
   Fail: (242) [system] t=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x55772f068e50), _249196)
   Call: (243) [system] peek_char((0x55772f068e50), _250130)
   Exit: (243) [system] peek_char((0x55772f068e50), i)
^  Call: (243) [user] is_delimiter(i)
   Call: (244) [system] char_type(i, space)
   Fail: (244) [system] char_type(i, space)
   Call: (244) [system] arg(_254850, v('(', ')', end_of_file), i)
   Fail: (244) [system] arg(_255782, v('(', ')', end_of_file), i)
^  Fail: (243) [user] is_delimiter(i)
   Call: (243) [system] ')'==i
   Fail: (243) [system] ')'==i
   Call: (243) [system] get_char((0x55772f068e50), i)
   Exit: (243) [system] get_char((0x55772f068e50), i)
   Call: (243) [system] i=(\)
   Fail: (243) [system] i=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x55772f068e50), _263132)
   Call: (244) [system] peek_char((0x55772f068e50), _264066)
   Exit: (244) [system] peek_char((0x55772f068e50), o)
^  Call: (244) [user] is_delimiter(o)
   Call: (245) [system] char_type(o, space)
   Fail: (245) [system] char_type(o, space)
   Call: (245) [system] arg(_268786, v('(', ')', end_of_file), o)
   Fail: (245) [system] arg(_269718, v('(', ')', end_of_file), o)
^  Fail: (244) [user] is_delimiter(o)
   Call: (244) [system] ')'==o
   Fail: (244) [system] ')'==o
   Call: (244) [system] get_char((0x55772f068e50), o)
   Exit: (244) [system] get_char((0x55772f068e50), o)
   Call: (244) [system] o=(\)
   Fail: (244) [system] o=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x55772f068e50), _277068)
   Call: (245) [system] peek_char((0x55772f068e50), _278002)
   Exit: (245) [system] peek_char((0x55772f068e50), n)
^  Call: (245) [user] is_delimiter(n)
   Call: (246) [system] char_type(n, space)
   Fail: (246) [system] char_type(n, space)
   Call: (246) [system] arg(_282722, v('(', ')', end_of_file), n)
   Fail: (246) [system] arg(_283654, v('(', ')', end_of_file), n)
^  Fail: (245) [user] is_delimiter(n)
   Call: (245) [system] ')'==n
   Fail: (245) [system] ')'==n
   Call: (245) [system] get_char((0x55772f068e50), n)
   Exit: (245) [system] get_char((0x55772f068e50), n)
   Call: (245) [system] n=(\)
   Fail: (245) [system] n=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x55772f068e50), _291004)
   Call: (246) [system] peek_char((0x55772f068e50), _291938)
   Exit: (246) [system] peek_char((0x55772f068e50), ' ')
^  Call: (246) [user] is_delimiter(' ')
   Call: (247) [system] char_type(' ', space)
   Exit: (247) [system] char_type(' ', space)
^  Exit: (246) [user] is_delimiter(' ')
   Call: (246) [system] _291004=[]
   Exit: (246) [system] []=[]
^  Exit: (245) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (245) [system] _277068=[n]
   Exit: (245) [system] [n]=[n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (244) [system] _263132=[o, n]
   Exit: (244) [system] [o, n]=[o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (243) [system] _249196=[i, o, n]
   Exit: (243) [system] [i, o, n]=[i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (242) [system] _235260=[t, i, o, n]
   Exit: (242) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (241) [system] _221324=[c, t, i, o, n]
   Exit: (241) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (240) [system] _207388=[u, c, t, i, o, n]
   Exit: (240) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (239) [system] _193452=[d, u, c, t, i, o, n]
   Exit: (239) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (238) [system] _179516=[o, d, u, c, t, i, o, n]
   Exit: (238) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (237) [system] _165580=[r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _151644=[t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _137708=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _123772=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _109836=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _95900=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _81964=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _68028=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _54092=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _40156=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _26220=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _12284=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _5904=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _5900=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (223) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5896)
^  Call: (224) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _362690)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_363642, _363644), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _362690), _363624, fail)), '$restore_trace'(_363642, _363644))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_363642, _363644))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _362690), _363624, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_362690)
   Fail: (225) [system] atomic(_362690)
   Call: (225) [system] atom_chars(_362690, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (225) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (224) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (224) [system] integer('DisjunctionIntroduction')
   Fail: (224) [system] integer('DisjunctionIntroduction')
   Call: (224) [system] _5896='DisjunctionIntroduction'
   Exit: (224) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (223) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (222) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (221) [user] read_list(')', (0x55772f068e50), _377640)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _379498)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x55772f068e50), _389092)
   Exit: (223) [system] get_char((0x55772f068e50), ' ')
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _391796)
   Exit: (224) [system] peek_char((0x55772f068e50), c)
   Call: (224) [system] c=(;)
   Fail: (224) [system] c=(;)
   Call: (224) [system] c=(/)
   Fail: (224) [system] c=(/)
^  Call: (224) [user] is_like_space(c)
   Call: (225) [system] char_type(c, 'white')
   Fail: (225) [system] char_type(c, 'white')
   Call: (225) [system] char_type(c, end_of_line)
   Fail: (225) [system] char_type(c, end_of_line)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] char_type(c, cntrl)
   Fail: (225) [system] char_type(c, cntrl)
^  Fail: (224) [user] is_like_space(c)
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _408730)
   Exit: (222) [system] peek_char((0x55772f068e50), c)
   Call: (222) [system] c=')'
   Fail: (222) [system] c=')'
   Call: (222) [system] c=end_of_file
   Fail: (222) [system] c=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _414300)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _416158)
   Exit: (224) [system] peek_char((0x55772f068e50), c)
   Call: (224) [system] c=(;)
   Fail: (224) [system] c=(;)
   Call: (224) [system] c=(/)
   Fail: (224) [system] c=(/)
^  Call: (224) [user] is_like_space(c)
   Call: (225) [system] char_type(c, 'white')
   Fail: (225) [system] char_type(c, 'white')
   Call: (225) [system] char_type(c, end_of_line)
   Fail: (225) [system] char_type(c, end_of_line)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] char_type(c, cntrl)
   Fail: (225) [system] char_type(c, cntrl)
^  Fail: (224) [user] is_like_space(c)
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _432168)
   Exit: (223) [system] get_char((0x55772f068e50), c)
   Call: (223) [system] c='('
   Fail: (223) [system] c='('
   Call: (223) [system] c='['
   Fail: (223) [system] c='['
   Call: (223) [system] c='{'
   Fail: (223) [system] c='{'
   Call: (223) [system] c='"'
   Fail: (223) [system] c='"'
   Call: (223) [system] c=!
   Fail: (223) [system] c=!
   Call: (223) [system] c='\''
   Fail: (223) [system] c='\''
   Call: (223) [system] c='`'
   Fail: (223) [system] c='`'
   Call: (223) [system] c=end_of_file
   Fail: (223) [system] c=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x55772f068e50), c, _414300)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _449810)
   Call: (225) [system] peek_char((0x55772f068e50), _450744)
   Exit: (225) [system] peek_char((0x55772f068e50), d)
^  Call: (225) [user] is_delimiter(d)
   Call: (226) [system] char_type(d, space)
   Fail: (226) [system] char_type(d, space)
   Call: (226) [system] arg(_455464, v('(', ')', end_of_file), d)
   Fail: (226) [system] arg(_456396, v('(', ')', end_of_file), d)
^  Fail: (225) [user] is_delimiter(d)
   Call: (225) [system] ')'==d
   Fail: (225) [system] ')'==d
   Call: (225) [system] get_char((0x55772f068e50), d)
   Exit: (225) [system] get_char((0x55772f068e50), d)
   Call: (225) [system] d=(\)
   Fail: (225) [system] d=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _463746)
   Call: (226) [system] peek_char((0x55772f068e50), _464680)
   Exit: (226) [system] peek_char((0x55772f068e50), e)
^  Call: (226) [user] is_delimiter(e)
   Call: (227) [system] char_type(e, space)
   Fail: (227) [system] char_type(e, space)
   Call: (227) [system] arg(_469400, v('(', ')', end_of_file), e)
   Fail: (227) [system] arg(_470332, v('(', ')', end_of_file), e)
^  Fail: (226) [user] is_delimiter(e)
   Call: (226) [system] ')'==e
   Fail: (226) [system] ')'==e
   Call: (226) [system] get_char((0x55772f068e50), e)
   Exit: (226) [system] get_char((0x55772f068e50), e)
   Call: (226) [system] e=(\)
   Fail: (226) [system] e=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _477682)
   Call: (227) [system] peek_char((0x55772f068e50), _478616)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _477682=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (226) [system] _463746=[e]
   Exit: (226) [system] [e]=[e]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (225) [system] _449810=[d, e]
   Exit: (225) [system] [d, e]=[d, e]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [d, e])
^  Call: (224) [user] classify_and_convert_charseq([c, d, e], _414300)
^  Call: (225) [user] classify_and_convert_charseq_([c, d, e], _493488)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_494440, _494442), once(user:catch(read_from_chars([c, d, e], _493488), _494422, fail)), '$restore_trace'(_494440, _494442))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_494440, _494442))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _494422, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(cde)
   Exit: (226) [system] atomic(cde)
^  Exit: (225) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (225) [system] integer(cde)
   Fail: (225) [system] integer(cde)
   Call: (225) [system] _414300=cde
   Exit: (225) [system] cde=cde
^  Exit: (224) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (223) [user] read_symbolic(')', (0x55772f068e50), c, cde)
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), cde)
^  Call: (222) [user] read_list(')', (0x55772f068e50), _506568)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _508426)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x55772f068e50), _518020)
   Exit: (224) [system] get_char((0x55772f068e50), ' ')
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _520724)
   Exit: (225) [system] peek_char((0x55772f068e50), a)
   Call: (225) [system] a=(;)
   Fail: (225) [system] a=(;)
   Call: (225) [system] a=(/)
   Fail: (225) [system] a=(/)
^  Call: (225) [user] is_like_space(a)
   Call: (226) [system] char_type(a, 'white')
   Fail: (226) [system] char_type(a, 'white')
   Call: (226) [system] char_type(a, end_of_line)
   Fail: (226) [system] char_type(a, end_of_line)
   Call: (226) [system] char_type(a, space)
   Fail: (226) [system] char_type(a, space)
   Call: (226) [system] char_type(a, cntrl)
   Fail: (226) [system] char_type(a, cntrl)
^  Fail: (225) [user] is_like_space(a)
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _537658)
   Exit: (223) [system] peek_char((0x55772f068e50), a)
   Call: (223) [system] a=')'
   Fail: (223) [system] a=')'
   Call: (223) [system] a=end_of_file
   Fail: (223) [system] a=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x55772f068e50), _543228)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _545086)
   Exit: (225) [system] peek_char((0x55772f068e50), a)
   Call: (225) [system] a=(;)
   Fail: (225) [system] a=(;)
   Call: (225) [system] a=(/)
   Fail: (225) [system] a=(/)
^  Call: (225) [user] is_like_space(a)
   Call: (226) [system] char_type(a, 'white')
   Fail: (226) [system] char_type(a, 'white')
   Call: (226) [system] char_type(a, end_of_line)
   Fail: (226) [system] char_type(a, end_of_line)
   Call: (226) [system] char_type(a, space)
   Fail: (226) [system] char_type(a, space)
   Call: (226) [system] char_type(a, cntrl)
   Fail: (226) [system] char_type(a, cntrl)
^  Fail: (225) [user] is_like_space(a)
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] get_char((0x55772f068e50), _561096)
   Exit: (224) [system] get_char((0x55772f068e50), a)
   Call: (224) [system] a='('
   Fail: (224) [system] a='('
   Call: (224) [system] a='['
   Fail: (224) [system] a='['
   Call: (224) [system] a='{'
   Fail: (224) [system] a='{'
   Call: (224) [system] a='"'
   Fail: (224) [system] a='"'
   Call: (224) [system] a=!
   Fail: (224) [system] a=!
   Call: (224) [system] a='\''
   Fail: (224) [system] a='\''
   Call: (224) [system] a='`'
   Fail: (224) [system] a='`'
   Call: (224) [system] a=end_of_file
   Fail: (224) [system] a=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x55772f068e50), a, _543228)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _578738)
   Call: (226) [system] peek_char((0x55772f068e50), _579672)
   Exit: (226) [system] peek_char((0x55772f068e50), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_584392, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _578738=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (225) [user] classify_and_convert_charseq([a], _543228)
^  Call: (226) [user] classify_and_convert_charseq_([a], _590828)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_591780, _591782), once(user:catch(read_from_chars([a], _590828), _591762, fail)), '$restore_trace'(_591780, _591782))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_591780, _591782))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _591762, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(a)
   Exit: (227) [system] atomic(a)
^  Exit: (226) [user] classify_and_convert_charseq_([a], a)
   Call: (226) [system] integer(a)
   Fail: (226) [system] integer(a)
   Call: (226) [system] _543228=a
   Exit: (226) [system] a=a
^  Exit: (225) [user] classify_and_convert_charseq([a], a)
^  Exit: (224) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (223) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (223) [user] read_list(')', (0x55772f068e50), _603908)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _605766)
   Exit: (225) [system] peek_char((0x55772f068e50), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
   Call: (225) [system] ')'=(/)
   Fail: (225) [system] ')'=(/)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _621776)
   Exit: (224) [system] peek_char((0x55772f068e50), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x55772f068e50), _625566)
   Exit: (224) [system] get_char((0x55772f068e50), ')')
   Call: (224) [system] _603908=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x55772f068e50), [])
   Call: (223) [system] _506568=[a]
   Exit: (223) [system] [a]=[a]
^  Exit: (222) [user] read_list(')', (0x55772f068e50), [a])
   Call: (222) [system] _377640=[cde, a]
   Exit: (222) [system] [cde, a]=[cde, a]
^  Exit: (221) [user] read_list(')', (0x55772f068e50), [cde, a])
   Call: (221) [system] _5890=['DisjunctionIntroduction', cde, a]
   Exit: (221) [system] ['DisjunctionIntroduction', cde, a]=['DisjunctionIntroduction', cde, a]
^  Exit: (220) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', cde, a])
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', cde, a])
^  Call: (219) [user] read_list(')', (0x55772f068e50), _639448)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _641306)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x55772f068e50), _650900)
   Exit: (221) [system] get_char((0x55772f068e50), ' ')
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _653604)
   Exit: (222) [system] peek_char((0x55772f068e50), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _670538)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _676108)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _677966)
   Exit: (222) [system] peek_char((0x55772f068e50), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _693976)
   Exit: (221) [system] get_char((0x55772f068e50), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x55772f068e50), _676108)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _699546)
   Exit: (223) [system] peek_char((0x55772f068e50), 'O')
   Call: (223) [system] 'O'=(;)
   Fail: (223) [system] 'O'=(;)
   Call: (223) [system] 'O'=(/)
   Fail: (223) [system] 'O'=(/)
^  Call: (223) [user] is_like_space('O')
   Call: (224) [system] char_type('O', 'white')
   Fail: (224) [system] char_type('O', 'white')
   Call: (224) [system] char_type('O', end_of_line)
   Fail: (224) [system] char_type('O', end_of_line)
   Call: (224) [system] char_type('O', space)
   Fail: (224) [system] char_type('O', space)
   Call: (224) [system] char_type('O', cntrl)
   Fail: (224) [system] char_type('O', cntrl)
^  Fail: (223) [user] is_like_space('O')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _715556)
   Exit: (222) [system] peek_char((0x55772f068e50), 'O')
   Call: (222) [system] 'O'=')'
   Fail: (222) [system] 'O'=')'
   Call: (222) [system] 'O'=end_of_file
   Fail: (222) [system] 'O'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _721126)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _722984)
   Exit: (224) [system] peek_char((0x55772f068e50), 'O')
   Call: (224) [system] 'O'=(;)
   Fail: (224) [system] 'O'=(;)
   Call: (224) [system] 'O'=(/)
   Fail: (224) [system] 'O'=(/)
^  Call: (224) [user] is_like_space('O')
   Call: (225) [system] char_type('O', 'white')
   Fail: (225) [system] char_type('O', 'white')
   Call: (225) [system] char_type('O', end_of_line)
   Fail: (225) [system] char_type('O', end_of_line)
   Call: (225) [system] char_type('O', space)
   Fail: (225) [system] char_type('O', space)
   Call: (225) [system] char_type('O', cntrl)
   Fail: (225) [system] char_type('O', cntrl)
^  Fail: (224) [user] is_like_space('O')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _738994)
   Exit: (223) [system] get_char((0x55772f068e50), 'O')
   Call: (223) [system] 'O'='('
   Fail: (223) [system] 'O'='('
   Call: (223) [system] 'O'='['
   Fail: (223) [system] 'O'='['
   Call: (223) [system] 'O'='{'
   Fail: (223) [system] 'O'='{'
   Call: (223) [system] 'O'='"'
   Fail: (223) [system] 'O'='"'
   Call: (223) [system] 'O'=!
   Fail: (223) [system] 'O'=!
   Call: (223) [system] 'O'='\''
   Fail: (223) [system] 'O'='\''
   Call: (223) [system] 'O'='`'
   Fail: (223) [system] 'O'='`'
   Call: (223) [system] 'O'=end_of_file
   Fail: (223) [system] 'O'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x55772f068e50), 'O', _721126)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _756636)
   Call: (225) [system] peek_char((0x55772f068e50), _757570)
   Exit: (225) [system] peek_char((0x55772f068e50), r)
^  Call: (225) [user] is_delimiter(r)
   Call: (226) [system] char_type(r, space)
   Fail: (226) [system] char_type(r, space)
   Call: (226) [system] arg(_762290, v('(', ')', end_of_file), r)
   Fail: (226) [system] arg(_763222, v('(', ')', end_of_file), r)
^  Fail: (225) [user] is_delimiter(r)
   Call: (225) [system] ')'==r
   Fail: (225) [system] ')'==r
   Call: (225) [system] get_char((0x55772f068e50), r)
   Exit: (225) [system] get_char((0x55772f068e50), r)
   Call: (225) [system] r=(\)
   Fail: (225) [system] r=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _770572)
   Call: (226) [system] peek_char((0x55772f068e50), _771506)
   Exit: (226) [system] peek_char((0x55772f068e50), 'L')
^  Call: (226) [user] is_delimiter('L')
   Call: (227) [system] char_type('L', space)
   Fail: (227) [system] char_type('L', space)
   Call: (227) [system] arg(_776226, v('(', ')', end_of_file), 'L')
   Fail: (227) [system] arg(_777158, v('(', ')', end_of_file), 'L')
^  Fail: (226) [user] is_delimiter('L')
   Call: (226) [system] ')'=='L'
   Fail: (226) [system] ')'=='L'
   Call: (226) [system] get_char((0x55772f068e50), 'L')
   Exit: (226) [system] get_char((0x55772f068e50), 'L')
   Call: (226) [system] 'L'=(\)
   Fail: (226) [system] 'L'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _784508)
   Call: (227) [system] peek_char((0x55772f068e50), _785442)
   Exit: (227) [system] peek_char((0x55772f068e50), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_790162, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_791094, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x55772f068e50), i)
   Exit: (227) [system] get_char((0x55772f068e50), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _798444)
   Call: (228) [system] peek_char((0x55772f068e50), _799378)
   Exit: (228) [system] peek_char((0x55772f068e50), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_804098, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_805030, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x55772f068e50), n)
   Exit: (228) [system] get_char((0x55772f068e50), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _812380)
   Call: (229) [system] peek_char((0x55772f068e50), _813314)
   Exit: (229) [system] peek_char((0x55772f068e50), k)
^  Call: (229) [user] is_delimiter(k)
   Call: (230) [system] char_type(k, space)
   Fail: (230) [system] char_type(k, space)
   Call: (230) [system] arg(_818034, v('(', ')', end_of_file), k)
   Fail: (230) [system] arg(_818966, v('(', ')', end_of_file), k)
^  Fail: (229) [user] is_delimiter(k)
   Call: (229) [system] ')'==k
   Fail: (229) [system] ')'==k
   Call: (229) [system] get_char((0x55772f068e50), k)
   Exit: (229) [system] get_char((0x55772f068e50), k)
   Call: (229) [system] k=(\)
   Fail: (229) [system] k=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _826316)
   Call: (230) [system] peek_char((0x55772f068e50), _827250)
   Exit: (230) [system] peek_char((0x55772f068e50), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _826316=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (229) [system] _812380=[k]
   Exit: (229) [system] [k]=[k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (228) [system] _798444=[n, k]
   Exit: (228) [system] [n, k]=[n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (227) [system] _784508=[i, n, k]
   Exit: (227) [system] [i, n, k]=[i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (226) [system] _770572=['L', i, n, k]
   Exit: (226) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (225) [system] _756636=[r, 'L', i, n, k]
   Exit: (225) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (224) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _721126)
^  Call: (225) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _850504)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_851456, _851458), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _850504), _851438, fail)), '$restore_trace'(_851456, _851458))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_851456, _851458))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _850504), _851438, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_850504)
   Fail: (226) [system] atomic(_850504)
   Call: (226) [system] atom_chars(_850504, ['O', r, 'L', i, n, k])
   Exit: (226) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (225) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (225) [system] integer('OrLink')
   Fail: (225) [system] integer('OrLink')
   Call: (225) [system] _721126='OrLink'
   Exit: (225) [system] 'OrLink'='OrLink'
^  Exit: (224) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (223) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (222) [user] read_list(')', (0x55772f068e50), _865454)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _867312)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x55772f068e50), _876906)
   Exit: (224) [system] get_char((0x55772f068e50), ' ')
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _879610)
   Exit: (225) [system] peek_char((0x55772f068e50), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _896544)
   Exit: (223) [system] peek_char((0x55772f068e50), '(')
   Call: (223) [system] '('=')'
   Fail: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
   Fail: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x55772f068e50), _902114)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _903972)
   Exit: (225) [system] peek_char((0x55772f068e50), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] get_char((0x55772f068e50), _919982)
   Exit: (224) [system] get_char((0x55772f068e50), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x55772f068e50), _902114)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _925552)
   Exit: (226) [system] peek_char((0x55772f068e50), 'I')
   Call: (226) [system] 'I'=(;)
   Fail: (226) [system] 'I'=(;)
   Call: (226) [system] 'I'=(/)
   Fail: (226) [system] 'I'=(/)
^  Call: (226) [user] is_like_space('I')
   Call: (227) [system] char_type('I', 'white')
   Fail: (227) [system] char_type('I', 'white')
   Call: (227) [system] char_type('I', end_of_line)
   Fail: (227) [system] char_type('I', end_of_line)
   Call: (227) [system] char_type('I', space)
   Fail: (227) [system] char_type('I', space)
   Call: (227) [system] char_type('I', cntrl)
   Fail: (227) [system] char_type('I', cntrl)
^  Fail: (226) [user] is_like_space('I')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _941562)
   Exit: (225) [system] peek_char((0x55772f068e50), 'I')
   Call: (225) [system] 'I'=')'
   Fail: (225) [system] 'I'=')'
   Call: (225) [system] 'I'=end_of_file
   Fail: (225) [system] 'I'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x55772f068e50), _947132)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _948990)
   Exit: (227) [system] peek_char((0x55772f068e50), 'I')
   Call: (227) [system] 'I'=(;)
   Fail: (227) [system] 'I'=(;)
   Call: (227) [system] 'I'=(/)
   Fail: (227) [system] 'I'=(/)
^  Call: (227) [user] is_like_space('I')
   Call: (228) [system] char_type('I', 'white')
   Fail: (228) [system] char_type('I', 'white')
   Call: (228) [system] char_type('I', end_of_line)
   Fail: (228) [system] char_type('I', end_of_line)
   Call: (228) [system] char_type('I', space)
   Fail: (228) [system] char_type('I', space)
   Call: (228) [system] char_type('I', cntrl)
   Fail: (228) [system] char_type('I', cntrl)
^  Fail: (227) [user] is_like_space('I')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] get_char((0x55772f068e50), _965000)
   Exit: (226) [system] get_char((0x55772f068e50), 'I')
   Call: (226) [system] 'I'='('
   Fail: (226) [system] 'I'='('
   Call: (226) [system] 'I'='['
   Fail: (226) [system] 'I'='['
   Call: (226) [system] 'I'='{'
   Fail: (226) [system] 'I'='{'
   Call: (226) [system] 'I'='"'
   Fail: (226) [system] 'I'='"'
   Call: (226) [system] 'I'=!
   Fail: (226) [system] 'I'=!
   Call: (226) [system] 'I'='\''
   Fail: (226) [system] 'I'='\''
   Call: (226) [system] 'I'='`'
   Fail: (226) [system] 'I'='`'
   Call: (226) [system] 'I'=end_of_file
   Fail: (226) [system] 'I'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x55772f068e50), 'I', _947132)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _982642)
   Call: (228) [system] peek_char((0x55772f068e50), _983576)
   Exit: (228) [system] peek_char((0x55772f068e50), m)
^  Call: (228) [user] is_delimiter(m)
   Call: (229) [system] char_type(m, space)
   Fail: (229) [system] char_type(m, space)
   Call: (229) [system] arg(_988296, v('(', ')', end_of_file), m)
   Fail: (229) [system] arg(_989228, v('(', ')', end_of_file), m)
^  Fail: (228) [user] is_delimiter(m)
   Call: (228) [system] ')'==m
   Fail: (228) [system] ')'==m
   Call: (228) [system] get_char((0x55772f068e50), m)
   Exit: (228) [system] get_char((0x55772f068e50), m)
   Call: (228) [system] m=(\)
   Fail: (228) [system] m=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _996578)
   Call: (229) [system] peek_char((0x55772f068e50), _997512)
   Exit: (229) [system] peek_char((0x55772f068e50), p)
^  Call: (229) [user] is_delimiter(p)
   Call: (230) [system] char_type(p, space)
   Fail: (230) [system] char_type(p, space)
   Call: (230) [system] arg(_1002232, v('(', ')', end_of_file), p)
   Fail: (230) [system] arg(_1003164, v('(', ')', end_of_file), p)
^  Fail: (229) [user] is_delimiter(p)
   Call: (229) [system] ')'==p
   Fail: (229) [system] ')'==p
   Call: (229) [system] get_char((0x55772f068e50), p)
   Exit: (229) [system] get_char((0x55772f068e50), p)
   Call: (229) [system] p=(\)
   Fail: (229) [system] p=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1010514)
   Call: (230) [system] peek_char((0x55772f068e50), _1011448)
   Exit: (230) [system] peek_char((0x55772f068e50), l)
^  Call: (230) [user] is_delimiter(l)
   Call: (231) [system] char_type(l, space)
   Fail: (231) [system] char_type(l, space)
   Call: (231) [system] arg(_1016168, v('(', ')', end_of_file), l)
   Fail: (231) [system] arg(_1017100, v('(', ')', end_of_file), l)
^  Fail: (230) [user] is_delimiter(l)
   Call: (230) [system] ')'==l
   Fail: (230) [system] ')'==l
   Call: (230) [system] get_char((0x55772f068e50), l)
   Exit: (230) [system] get_char((0x55772f068e50), l)
   Call: (230) [system] l=(\)
   Fail: (230) [system] l=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1024450)
   Call: (231) [system] peek_char((0x55772f068e50), _1025384)
   Exit: (231) [system] peek_char((0x55772f068e50), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1030104, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_1031036, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x55772f068e50), i)
   Exit: (231) [system] get_char((0x55772f068e50), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1038386)
   Call: (232) [system] peek_char((0x55772f068e50), _1039320)
   Exit: (232) [system] peek_char((0x55772f068e50), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Fail: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_1044040, v('(', ')', end_of_file), c)
   Fail: (233) [system] arg(_1044972, v('(', ')', end_of_file), c)
^  Fail: (232) [user] is_delimiter(c)
   Call: (232) [system] ')'==c
   Fail: (232) [system] ')'==c
   Call: (232) [system] get_char((0x55772f068e50), c)
   Exit: (232) [system] get_char((0x55772f068e50), c)
   Call: (232) [system] c=(\)
   Fail: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1052322)
   Call: (233) [system] peek_char((0x55772f068e50), _1053256)
   Exit: (233) [system] peek_char((0x55772f068e50), a)
^  Call: (233) [user] is_delimiter(a)
   Call: (234) [system] char_type(a, space)
   Fail: (234) [system] char_type(a, space)
   Call: (234) [system] arg(_1057976, v('(', ')', end_of_file), a)
   Fail: (234) [system] arg(_1058908, v('(', ')', end_of_file), a)
^  Fail: (233) [user] is_delimiter(a)
   Call: (233) [system] ')'==a
   Fail: (233) [system] ')'==a
   Call: (233) [system] get_char((0x55772f068e50), a)
   Exit: (233) [system] get_char((0x55772f068e50), a)
   Call: (233) [system] a=(\)
   Fail: (233) [system] a=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1066258)
   Call: (234) [system] peek_char((0x55772f068e50), _1067192)
   Exit: (234) [system] peek_char((0x55772f068e50), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Fail: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_1071912, v('(', ')', end_of_file), t)
   Fail: (235) [system] arg(_1072844, v('(', ')', end_of_file), t)
^  Fail: (234) [user] is_delimiter(t)
   Call: (234) [system] ')'==t
   Fail: (234) [system] ')'==t
   Call: (234) [system] get_char((0x55772f068e50), t)
   Exit: (234) [system] get_char((0x55772f068e50), t)
   Call: (234) [system] t=(\)
   Fail: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1080194)
   Call: (235) [system] peek_char((0x55772f068e50), _1081128)
   Exit: (235) [system] peek_char((0x55772f068e50), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Fail: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_1085848, v('(', ')', end_of_file), i)
   Fail: (236) [system] arg(_1086780, v('(', ')', end_of_file), i)
^  Fail: (235) [user] is_delimiter(i)
   Call: (235) [system] ')'==i
   Fail: (235) [system] ')'==i
   Call: (235) [system] get_char((0x55772f068e50), i)
   Exit: (235) [system] get_char((0x55772f068e50), i)
   Call: (235) [system] i=(\)
   Fail: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1094130)
   Call: (236) [system] peek_char((0x55772f068e50), _1095064)
   Exit: (236) [system] peek_char((0x55772f068e50), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Fail: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_1099784, v('(', ')', end_of_file), o)
   Fail: (237) [system] arg(_1100716, v('(', ')', end_of_file), o)
^  Fail: (236) [user] is_delimiter(o)
   Call: (236) [system] ')'==o
   Fail: (236) [system] ')'==o
   Call: (236) [system] get_char((0x55772f068e50), o)
   Exit: (236) [system] get_char((0x55772f068e50), o)
   Call: (236) [system] o=(\)
   Fail: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1108066)
   Call: (237) [system] peek_char((0x55772f068e50), _1109000)
   Exit: (237) [system] peek_char((0x55772f068e50), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_1113720, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_1114652, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x55772f068e50), n)
   Exit: (237) [system] get_char((0x55772f068e50), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _1122002)
   Call: (238) [system] peek_char((0x55772f068e50), _1122936)
   Exit: (238) [system] peek_char((0x55772f068e50), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _1122002=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (237) [system] _1108066=[n]
   Exit: (237) [system] [n]=[n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (236) [system] _1094130=[o, n]
   Exit: (236) [system] [o, n]=[o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (235) [system] _1080194=[i, o, n]
   Exit: (235) [system] [i, o, n]=[i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (234) [system] _1066258=[t, i, o, n]
   Exit: (234) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (233) [system] _1052322=[a, t, i, o, n]
   Exit: (233) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (232) [system] _1038386=[c, a, t, i, o, n]
   Exit: (232) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (231) [system] _1024450=[i, c, a, t, i, o, n]
   Exit: (231) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (230) [system] _1010514=[l, i, c, a, t, i, o, n]
   Exit: (230) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (229) [system] _996578=[p, l, i, c, a, t, i, o, n]
   Exit: (229) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (228) [system] _982642=[m, p, l, i, c, a, t, i, o, n]
   Exit: (228) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (227) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _947132)
^  Call: (228) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1160160)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1161112, _1161114), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1160160), _1161094, fail)), '$restore_trace'(_1161112, _1161114))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1161112, _1161114))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1160160), _1161094, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1160160)
   Fail: (229) [system] atomic(_1160160)
   Call: (229) [system] atom_chars(_1160160, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (229) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (228) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (228) [system] integer('Implication')
   Fail: (228) [system] integer('Implication')
   Call: (228) [system] _947132='Implication'
   Exit: (228) [system] 'Implication'='Implication'
^  Exit: (227) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (226) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (225) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (225) [user] read_list(')', (0x55772f068e50), _1175110)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1176968)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x55772f068e50), _1186562)
   Exit: (227) [system] get_char((0x55772f068e50), ' ')
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1189266)
   Exit: (228) [system] peek_char((0x55772f068e50), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
   Call: (228) [system] '('=(/)
   Fail: (228) [system] '('=(/)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1206200)
   Exit: (226) [system] peek_char((0x55772f068e50), '(')
   Call: (226) [system] '('=')'
   Fail: (226) [system] '('=')'
   Call: (226) [system] '('=end_of_file
   Fail: (226) [system] '('=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x55772f068e50), _1211770)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1213628)
   Exit: (228) [system] peek_char((0x55772f068e50), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
   Call: (228) [system] '('=(/)
   Fail: (228) [system] '('=(/)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] get_char((0x55772f068e50), _1229638)
   Exit: (227) [system] get_char((0x55772f068e50), '(')
   Call: (227) [system] '('='('
   Exit: (227) [system] '('='('
^  Call: (227) [user] read_list(')', (0x55772f068e50), _1211770)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1235208)
   Exit: (229) [system] peek_char((0x55772f068e50), 'O')
   Call: (229) [system] 'O'=(;)
   Fail: (229) [system] 'O'=(;)
   Call: (229) [system] 'O'=(/)
   Fail: (229) [system] 'O'=(/)
^  Call: (229) [user] is_like_space('O')
   Call: (230) [system] char_type('O', 'white')
   Fail: (230) [system] char_type('O', 'white')
   Call: (230) [system] char_type('O', end_of_line)
   Fail: (230) [system] char_type('O', end_of_line)
   Call: (230) [system] char_type('O', space)
   Fail: (230) [system] char_type('O', space)
   Call: (230) [system] char_type('O', cntrl)
   Fail: (230) [system] char_type('O', cntrl)
^  Fail: (229) [user] is_like_space('O')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1251218)
   Exit: (228) [system] peek_char((0x55772f068e50), 'O')
   Call: (228) [system] 'O'=')'
   Fail: (228) [system] 'O'=')'
   Call: (228) [system] 'O'=end_of_file
   Fail: (228) [system] 'O'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x55772f068e50), _1256788)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1258646)
   Exit: (230) [system] peek_char((0x55772f068e50), 'O')
   Call: (230) [system] 'O'=(;)
   Fail: (230) [system] 'O'=(;)
   Call: (230) [system] 'O'=(/)
   Fail: (230) [system] 'O'=(/)
^  Call: (230) [user] is_like_space('O')
   Call: (231) [system] char_type('O', 'white')
   Fail: (231) [system] char_type('O', 'white')
   Call: (231) [system] char_type('O', end_of_line)
   Fail: (231) [system] char_type('O', end_of_line)
   Call: (231) [system] char_type('O', space)
   Fail: (231) [system] char_type('O', space)
   Call: (231) [system] char_type('O', cntrl)
   Fail: (231) [system] char_type('O', cntrl)
^  Fail: (230) [user] is_like_space('O')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] get_char((0x55772f068e50), _1274656)
   Exit: (229) [system] get_char((0x55772f068e50), 'O')
   Call: (229) [system] 'O'='('
   Fail: (229) [system] 'O'='('
   Call: (229) [system] 'O'='['
   Fail: (229) [system] 'O'='['
   Call: (229) [system] 'O'='{'
   Fail: (229) [system] 'O'='{'
   Call: (229) [system] 'O'='"'
   Fail: (229) [system] 'O'='"'
   Call: (229) [system] 'O'=!
   Fail: (229) [system] 'O'=!
   Call: (229) [system] 'O'='\''
   Fail: (229) [system] 'O'='\''
   Call: (229) [system] 'O'='`'
   Fail: (229) [system] 'O'='`'
   Call: (229) [system] 'O'=end_of_file
   Fail: (229) [system] 'O'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x55772f068e50), 'O', _1256788)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1292298)
   Call: (231) [system] peek_char((0x55772f068e50), _1293232)
   Exit: (231) [system] peek_char((0x55772f068e50), r)
^  Call: (231) [user] is_delimiter(r)
   Call: (232) [system] char_type(r, space)
   Fail: (232) [system] char_type(r, space)
   Call: (232) [system] arg(_1297952, v('(', ')', end_of_file), r)
   Fail: (232) [system] arg(_1298884, v('(', ')', end_of_file), r)
^  Fail: (231) [user] is_delimiter(r)
   Call: (231) [system] ')'==r
   Fail: (231) [system] ')'==r
   Call: (231) [system] get_char((0x55772f068e50), r)
   Exit: (231) [system] get_char((0x55772f068e50), r)
   Call: (231) [system] r=(\)
   Fail: (231) [system] r=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1306234)
   Call: (232) [system] peek_char((0x55772f068e50), _1307168)
   Exit: (232) [system] peek_char((0x55772f068e50), 'L')
^  Call: (232) [user] is_delimiter('L')
   Call: (233) [system] char_type('L', space)
   Fail: (233) [system] char_type('L', space)
   Call: (233) [system] arg(_1311888, v('(', ')', end_of_file), 'L')
   Fail: (233) [system] arg(_1312820, v('(', ')', end_of_file), 'L')
^  Fail: (232) [user] is_delimiter('L')
   Call: (232) [system] ')'=='L'
   Fail: (232) [system] ')'=='L'
   Call: (232) [system] get_char((0x55772f068e50), 'L')
   Exit: (232) [system] get_char((0x55772f068e50), 'L')
   Call: (232) [system] 'L'=(\)
   Fail: (232) [system] 'L'=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1320170)
   Call: (233) [system] peek_char((0x55772f068e50), _1321104)
   Exit: (233) [system] peek_char((0x55772f068e50), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_1325824, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_1326756, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x55772f068e50), i)
   Exit: (233) [system] get_char((0x55772f068e50), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1334106)
   Call: (234) [system] peek_char((0x55772f068e50), _1335040)
   Exit: (234) [system] peek_char((0x55772f068e50), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_1339760, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_1340692, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x55772f068e50), n)
   Exit: (234) [system] get_char((0x55772f068e50), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1348042)
   Call: (235) [system] peek_char((0x55772f068e50), _1348976)
   Exit: (235) [system] peek_char((0x55772f068e50), k)
^  Call: (235) [user] is_delimiter(k)
   Call: (236) [system] char_type(k, space)
   Fail: (236) [system] char_type(k, space)
   Call: (236) [system] arg(_1353696, v('(', ')', end_of_file), k)
   Fail: (236) [system] arg(_1354628, v('(', ')', end_of_file), k)
^  Fail: (235) [user] is_delimiter(k)
   Call: (235) [system] ')'==k
   Fail: (235) [system] ')'==k
   Call: (235) [system] get_char((0x55772f068e50), k)
   Exit: (235) [system] get_char((0x55772f068e50), k)
   Call: (235) [system] k=(\)
   Fail: (235) [system] k=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1361978)
   Call: (236) [system] peek_char((0x55772f068e50), _1362912)
   Exit: (236) [system] peek_char((0x55772f068e50), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _1361978=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (235) [system] _1348042=[k]
   Exit: (235) [system] [k]=[k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (234) [system] _1334106=[n, k]
   Exit: (234) [system] [n, k]=[n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (233) [system] _1320170=[i, n, k]
   Exit: (233) [system] [i, n, k]=[i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (232) [system] _1306234=['L', i, n, k]
   Exit: (232) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (231) [system] _1292298=[r, 'L', i, n, k]
   Exit: (231) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (230) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1256788)
^  Call: (231) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1386166)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1387118, _1387120), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1386166), _1387100, fail)), '$restore_trace'(_1387118, _1387120))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1387118, _1387120))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1386166), _1387100, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_1386166)
   Fail: (232) [system] atomic(_1386166)
   Call: (232) [system] atom_chars(_1386166, ['O', r, 'L', i, n, k])
   Exit: (232) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (231) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (231) [system] integer('OrLink')
   Fail: (231) [system] integer('OrLink')
   Call: (231) [system] _1256788='OrLink'
   Exit: (231) [system] 'OrLink'='OrLink'
^  Exit: (230) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (229) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (228) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (228) [user] read_list(')', (0x55772f068e50), _1401116)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1402974)
   Exit: (230) [system] peek_char((0x55772f068e50), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
   Call: (230) [system] ' '=(/)
   Fail: (230) [system] ' '=(/)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x55772f068e50), _1412568)
   Exit: (230) [system] get_char((0x55772f068e50), ' ')
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1415272)
   Exit: (231) [system] peek_char((0x55772f068e50), 'C')
   Call: (231) [system] 'C'=(;)
   Fail: (231) [system] 'C'=(;)
   Call: (231) [system] 'C'=(/)
   Fail: (231) [system] 'C'=(/)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Fail: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Fail: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Fail: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
   Fail: (232) [system] char_type('C', cntrl)
^  Fail: (231) [user] is_like_space('C')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1432206)
   Exit: (229) [system] peek_char((0x55772f068e50), 'C')
   Call: (229) [system] 'C'=')'
   Fail: (229) [system] 'C'=')'
   Call: (229) [system] 'C'=end_of_file
   Fail: (229) [system] 'C'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x55772f068e50), _1437776)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1439634)
   Exit: (231) [system] peek_char((0x55772f068e50), 'C')
   Call: (231) [system] 'C'=(;)
   Fail: (231) [system] 'C'=(;)
   Call: (231) [system] 'C'=(/)
   Fail: (231) [system] 'C'=(/)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Fail: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Fail: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Fail: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
   Fail: (232) [system] char_type('C', cntrl)
^  Fail: (231) [user] is_like_space('C')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] get_char((0x55772f068e50), _1455644)
   Exit: (230) [system] get_char((0x55772f068e50), 'C')
   Call: (230) [system] 'C'='('
   Fail: (230) [system] 'C'='('
   Call: (230) [system] 'C'='['
   Fail: (230) [system] 'C'='['
   Call: (230) [system] 'C'='{'
   Fail: (230) [system] 'C'='{'
   Call: (230) [system] 'C'='"'
   Fail: (230) [system] 'C'='"'
   Call: (230) [system] 'C'=!
   Fail: (230) [system] 'C'=!
   Call: (230) [system] 'C'='\''
   Fail: (230) [system] 'C'='\''
   Call: (230) [system] 'C'='`'
   Fail: (230) [system] 'C'='`'
   Call: (230) [system] 'C'=end_of_file
   Fail: (230) [system] 'C'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x55772f068e50), 'C', _1437776)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1473286)
   Call: (232) [system] peek_char((0x55772f068e50), _1474220)
   Exit: (232) [system] peek_char((0x55772f068e50), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1473286=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (231) [user] classify_and_convert_charseq(['C'], _1437776)
^  Call: (232) [user] classify_and_convert_charseq_(['C'], _1483504)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1484456, _1484458), once(user:catch(read_from_chars(['C'], _1483504), _1484438, fail)), '$restore_trace'(_1484456, _1484458))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1484456, _1484458))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1483504), _1484438, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_1483504)
   Fail: (233) [system] atomic(_1483504)
   Call: (233) [system] atom_chars(_1483504, ['C'])
   Exit: (233) [system] atom_chars('C', ['C'])
^  Exit: (232) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (232) [system] integer('C')
   Fail: (232) [system] integer('C')
   Call: (232) [system] _1437776='C'
   Exit: (232) [system] 'C'='C'
^  Exit: (231) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (230) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (229) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (229) [user] read_list(')', (0x55772f068e50), _1498454)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1500312)
   Exit: (231) [system] peek_char((0x55772f068e50), ' ')
   Call: (231) [system] ' '=(;)
   Fail: (231) [system] ' '=(;)
   Call: (231) [system] ' '=(/)
   Fail: (231) [system] ' '=(/)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x55772f068e50), _1509906)
   Exit: (231) [system] get_char((0x55772f068e50), ' ')
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _1512610)
   Exit: (232) [system] peek_char((0x55772f068e50), 'D')
   Call: (232) [system] 'D'=(;)
   Fail: (232) [system] 'D'=(;)
   Call: (232) [system] 'D'=(/)
   Fail: (232) [system] 'D'=(/)
^  Call: (232) [user] is_like_space('D')
   Call: (233) [system] char_type('D', 'white')
   Fail: (233) [system] char_type('D', 'white')
   Call: (233) [system] char_type('D', end_of_line)
   Fail: (233) [system] char_type('D', end_of_line)
   Call: (233) [system] char_type('D', space)
   Fail: (233) [system] char_type('D', space)
   Call: (233) [system] char_type('D', cntrl)
   Fail: (233) [system] char_type('D', cntrl)
^  Fail: (232) [user] is_like_space('D')
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1529544)
   Exit: (230) [system] peek_char((0x55772f068e50), 'D')
   Call: (230) [system] 'D'=')'
   Fail: (230) [system] 'D'=')'
   Call: (230) [system] 'D'=end_of_file
   Fail: (230) [system] 'D'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x55772f068e50), _1535114)
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _1536972)
   Exit: (232) [system] peek_char((0x55772f068e50), 'D')
   Call: (232) [system] 'D'=(;)
   Fail: (232) [system] 'D'=(;)
   Call: (232) [system] 'D'=(/)
   Fail: (232) [system] 'D'=(/)
^  Call: (232) [user] is_like_space('D')
   Call: (233) [system] char_type('D', 'white')
   Fail: (233) [system] char_type('D', 'white')
   Call: (233) [system] char_type('D', end_of_line)
   Fail: (233) [system] char_type('D', end_of_line)
   Call: (233) [system] char_type('D', space)
   Fail: (233) [system] char_type('D', space)
   Call: (233) [system] char_type('D', cntrl)
   Fail: (233) [system] char_type('D', cntrl)
^  Fail: (232) [user] is_like_space('D')
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] get_char((0x55772f068e50), _1552982)
   Exit: (231) [system] get_char((0x55772f068e50), 'D')
   Call: (231) [system] 'D'='('
   Fail: (231) [system] 'D'='('
   Call: (231) [system] 'D'='['
   Fail: (231) [system] 'D'='['
   Call: (231) [system] 'D'='{'
   Fail: (231) [system] 'D'='{'
   Call: (231) [system] 'D'='"'
   Fail: (231) [system] 'D'='"'
   Call: (231) [system] 'D'=!
   Fail: (231) [system] 'D'=!
   Call: (231) [system] 'D'='\''
   Fail: (231) [system] 'D'='\''
   Call: (231) [system] 'D'='`'
   Fail: (231) [system] 'D'='`'
   Call: (231) [system] 'D'=end_of_file
   Fail: (231) [system] 'D'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x55772f068e50), 'D', _1535114)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1570624)
   Call: (233) [system] peek_char((0x55772f068e50), _1571558)
   Exit: (233) [system] peek_char((0x55772f068e50), ')')
^  Call: (233) [user] is_delimiter(')')
   Call: (234) [system] char_type(')', space)
   Fail: (234) [system] char_type(')', space)
   Call: (234) [system] arg(_1576278, v('(', ')', end_of_file), ')')
   Exit: (234) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (233) [user] is_delimiter(')')
   Call: (233) [system] _1570624=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (232) [user] classify_and_convert_charseq(['D'], _1535114)
^  Call: (233) [user] classify_and_convert_charseq_(['D'], _1582714)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_1583666, _1583668), once(user:catch(read_from_chars(['D'], _1582714), _1583648, fail)), '$restore_trace'(_1583666, _1583668))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_1583666, _1583668))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1582714), _1583648, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_1582714)
   Fail: (234) [system] atomic(_1582714)
   Call: (234) [system] atom_chars(_1582714, ['D'])
   Exit: (234) [system] atom_chars('D', ['D'])
^  Exit: (233) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (233) [system] integer('D')
   Fail: (233) [system] integer('D')
   Call: (233) [system] _1535114='D'
   Exit: (233) [system] 'D'='D'
^  Exit: (232) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (231) [user] read_symbolic(')', (0x55772f068e50), 'D', 'D')
^  Exit: (230) [user] cont_sexpr(')', (0x55772f068e50), 'D')
^  Call: (230) [user] read_list(')', (0x55772f068e50), _1597664)
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _1599522)
   Exit: (232) [system] peek_char((0x55772f068e50), ')')
   Call: (232) [system] ')'=(;)
   Fail: (232) [system] ')'=(;)
   Call: (232) [system] ')'=(/)
   Fail: (232) [system] ')'=(/)
^  Call: (232) [user] is_like_space(')')
   Call: (233) [system] char_type(')', 'white')
   Fail: (233) [system] char_type(')', 'white')
   Call: (233) [system] char_type(')', end_of_line)
   Fail: (233) [system] char_type(')', end_of_line)
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] char_type(')', cntrl)
   Fail: (233) [system] char_type(')', cntrl)
^  Fail: (232) [user] is_like_space(')')
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1615532)
   Exit: (231) [system] peek_char((0x55772f068e50), ')')
   Call: (231) [system] ')'=')'
   Exit: (231) [system] ')'=')'
   Call: (231) [system] get_char((0x55772f068e50), _1619322)
   Exit: (231) [system] get_char((0x55772f068e50), ')')
   Call: (231) [system] _1597664=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_list(')', (0x55772f068e50), [])
   Call: (230) [system] _1498454=['D']
   Exit: (230) [system] ['D']=['D']
^  Exit: (229) [user] read_list(')', (0x55772f068e50), ['D'])
   Call: (229) [system] _1401116=['C', 'D']
   Exit: (229) [system] ['C', 'D']=['C', 'D']
^  Exit: (228) [user] read_list(')', (0x55772f068e50), ['C', 'D'])
   Call: (228) [system] _1211770=['OrLink', 'C', 'D']
   Exit: (228) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (227) [user] read_list(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Exit: (226) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Call: (226) [user] read_list(')', (0x55772f068e50), _1633204)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1635062)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x55772f068e50), _1644656)
   Exit: (228) [system] get_char((0x55772f068e50), ' ')
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1647360)
   Exit: (229) [system] peek_char((0x55772f068e50), 'E')
   Call: (229) [system] 'E'=(;)
   Fail: (229) [system] 'E'=(;)
   Call: (229) [system] 'E'=(/)
   Fail: (229) [system] 'E'=(/)
^  Call: (229) [user] is_like_space('E')
   Call: (230) [system] char_type('E', 'white')
   Fail: (230) [system] char_type('E', 'white')
   Call: (230) [system] char_type('E', end_of_line)
   Fail: (230) [system] char_type('E', end_of_line)
   Call: (230) [system] char_type('E', space)
   Fail: (230) [system] char_type('E', space)
   Call: (230) [system] char_type('E', cntrl)
   Fail: (230) [system] char_type('E', cntrl)
^  Fail: (229) [user] is_like_space('E')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1664294)
   Exit: (227) [system] peek_char((0x55772f068e50), 'E')
   Call: (227) [system] 'E'=')'
   Fail: (227) [system] 'E'=')'
   Call: (227) [system] 'E'=end_of_file
   Fail: (227) [system] 'E'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x55772f068e50), _1669864)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1671722)
   Exit: (229) [system] peek_char((0x55772f068e50), 'E')
   Call: (229) [system] 'E'=(;)
   Fail: (229) [system] 'E'=(;)
   Call: (229) [system] 'E'=(/)
   Fail: (229) [system] 'E'=(/)
^  Call: (229) [user] is_like_space('E')
   Call: (230) [system] char_type('E', 'white')
   Fail: (230) [system] char_type('E', 'white')
   Call: (230) [system] char_type('E', end_of_line)
   Fail: (230) [system] char_type('E', end_of_line)
   Call: (230) [system] char_type('E', space)
   Fail: (230) [system] char_type('E', space)
   Call: (230) [system] char_type('E', cntrl)
   Fail: (230) [system] char_type('E', cntrl)
^  Fail: (229) [user] is_like_space('E')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] get_char((0x55772f068e50), _1687732)
   Exit: (228) [system] get_char((0x55772f068e50), 'E')
   Call: (228) [system] 'E'='('
   Fail: (228) [system] 'E'='('
   Call: (228) [system] 'E'='['
   Fail: (228) [system] 'E'='['
   Call: (228) [system] 'E'='{'
   Fail: (228) [system] 'E'='{'
   Call: (228) [system] 'E'='"'
   Fail: (228) [system] 'E'='"'
   Call: (228) [system] 'E'=!
   Fail: (228) [system] 'E'=!
   Call: (228) [system] 'E'='\''
   Fail: (228) [system] 'E'='\''
   Call: (228) [system] 'E'='`'
   Fail: (228) [system] 'E'='`'
   Call: (228) [system] 'E'=end_of_file
   Fail: (228) [system] 'E'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x55772f068e50), 'E', _1669864)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1705374)
   Call: (230) [system] peek_char((0x55772f068e50), _1706308)
   Exit: (230) [system] peek_char((0x55772f068e50), ')')
^  Call: (230) [user] is_delimiter(')')
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] arg(_1711028, v('(', ')', end_of_file), ')')
   Exit: (231) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (230) [user] is_delimiter(')')
   Call: (230) [system] _1705374=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (229) [user] classify_and_convert_charseq(['E'], _1669864)
^  Call: (230) [user] classify_and_convert_charseq_(['E'], _1717464)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1718416, _1718418), once(user:catch(read_from_chars(['E'], _1717464), _1718398, fail)), '$restore_trace'(_1718416, _1718418))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1718416, _1718418))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1717464), _1718398, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1717464)
   Fail: (231) [system] atomic(_1717464)
   Call: (231) [system] atom_chars(_1717464, ['E'])
   Exit: (231) [system] atom_chars('E', ['E'])
^  Exit: (230) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (230) [system] integer('E')
   Fail: (230) [system] integer('E')
   Call: (230) [system] _1669864='E'
   Exit: (230) [system] 'E'='E'
^  Exit: (229) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (228) [user] read_symbolic(')', (0x55772f068e50), 'E', 'E')
^  Exit: (227) [user] cont_sexpr(')', (0x55772f068e50), 'E')
^  Call: (227) [user] read_list(')', (0x55772f068e50), _1732414)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1734272)
   Exit: (229) [system] peek_char((0x55772f068e50), ')')
   Call: (229) [system] ')'=(;)
   Fail: (229) [system] ')'=(;)
   Call: (229) [system] ')'=(/)
   Fail: (229) [system] ')'=(/)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Fail: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Fail: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
   Fail: (230) [system] char_type(')', cntrl)
^  Fail: (229) [user] is_like_space(')')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1750282)
   Exit: (228) [system] peek_char((0x55772f068e50), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x55772f068e50), _1754072)
   Exit: (228) [system] get_char((0x55772f068e50), ')')
   Call: (228) [system] _1732414=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x55772f068e50), [])
   Call: (227) [system] _1633204=['E']
   Exit: (227) [system] ['E']=['E']
^  Exit: (226) [user] read_list(')', (0x55772f068e50), ['E'])
   Call: (226) [system] _1175110=[['OrLink', 'C', 'D'], 'E']
   Exit: (226) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (225) [user] read_list(')', (0x55772f068e50), [['OrLink', 'C', 'D'], 'E'])
   Call: (225) [system] _902114=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (225) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (224) [user] read_list(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (223) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (223) [user] read_list(')', (0x55772f068e50), _1767954)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1769812)
   Exit: (225) [system] peek_char((0x55772f068e50), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x55772f068e50), _1779406)
   Exit: (225) [system] get_char((0x55772f068e50), ' ')
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1782110)
   Exit: (226) [system] peek_char((0x55772f068e50), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
   Call: (226) [system] 'A'=(/)
   Fail: (226) [system] 'A'=(/)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1799044)
   Exit: (224) [system] peek_char((0x55772f068e50), 'A')
   Call: (224) [system] 'A'=')'
   Fail: (224) [system] 'A'=')'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x55772f068e50), _1804614)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1806472)
   Exit: (226) [system] peek_char((0x55772f068e50), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
   Call: (226) [system] 'A'=(/)
   Fail: (226) [system] 'A'=(/)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] get_char((0x55772f068e50), _1822482)
   Exit: (225) [system] get_char((0x55772f068e50), 'A')
   Call: (225) [system] 'A'='('
   Fail: (225) [system] 'A'='('
   Call: (225) [system] 'A'='['
   Fail: (225) [system] 'A'='['
   Call: (225) [system] 'A'='{'
   Fail: (225) [system] 'A'='{'
   Call: (225) [system] 'A'='"'
   Fail: (225) [system] 'A'='"'
   Call: (225) [system] 'A'=!
   Fail: (225) [system] 'A'=!
   Call: (225) [system] 'A'='\''
   Fail: (225) [system] 'A'='\''
   Call: (225) [system] 'A'='`'
   Fail: (225) [system] 'A'='`'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x55772f068e50), 'A', _1804614)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1840124)
   Call: (227) [system] peek_char((0x55772f068e50), _1841058)
   Exit: (227) [system] peek_char((0x55772f068e50), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_1845778, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _1840124=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (226) [user] classify_and_convert_charseq(['A'], _1804614)
^  Call: (227) [user] classify_and_convert_charseq_(['A'], _1852214)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1853166, _1853168), once(user:catch(read_from_chars(['A'], _1852214), _1853148, fail)), '$restore_trace'(_1853166, _1853168))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1853166, _1853168))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1852214), _1853148, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1852214)
   Fail: (228) [system] atomic(_1852214)
   Call: (228) [system] atom_chars(_1852214, ['A'])
   Exit: (228) [system] atom_chars('A', ['A'])
^  Exit: (227) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (227) [system] integer('A')
   Fail: (227) [system] integer('A')
   Call: (227) [system] _1804614='A'
   Exit: (227) [system] 'A'='A'
^  Exit: (226) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (225) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (224) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (224) [user] read_list(')', (0x55772f068e50), _1867164)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1869022)
   Exit: (226) [system] peek_char((0x55772f068e50), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
   Call: (226) [system] ')'=(/)
   Fail: (226) [system] ')'=(/)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1885032)
   Exit: (225) [system] peek_char((0x55772f068e50), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x55772f068e50), _1888822)
   Exit: (225) [system] get_char((0x55772f068e50), ')')
   Call: (225) [system] _1867164=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x55772f068e50), [])
   Call: (224) [system] _1767954=['A']
   Exit: (224) [system] ['A']=['A']
^  Exit: (223) [user] read_list(')', (0x55772f068e50), ['A'])
   Call: (223) [system] _865454=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
   Exit: (223) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
^  Exit: (222) [user] read_list(')', (0x55772f068e50), [['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
   Call: (222) [system] _676108=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
   Exit: (222) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
^  Exit: (221) [user] read_list(')', (0x55772f068e50), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
^  Call: (220) [user] read_list(')', (0x55772f068e50), _1902704)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1904562)
   Exit: (222) [system] peek_char((0x55772f068e50), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
   Call: (222) [system] ')'=(/)
   Fail: (222) [system] ')'=(/)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1920572)
   Exit: (221) [system] peek_char((0x55772f068e50), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x55772f068e50), _1924362)
   Exit: (221) [system] get_char((0x55772f068e50), ')')
   Call: (221) [system] _1902704=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x55772f068e50), [])
   Call: (220) [system] _639448=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (220) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (219) [user] read_list(')', (0x55772f068e50), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
   Call: (219) [system] _5886=[['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (219) [system] [['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (218) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
   Call: (218) [system] _5878=[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (218) [system] [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (217) [user] read_list(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
^  Exit: (216) [user] cont_sexpr(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
^  Call: (216) [user] read_list(')', (0x55772f068e50), _1938244)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1940102)
   Exit: (218) [system] peek_char((0x55772f068e50), '\n')
   Call: (218) [system] '\n'=(;)
   Fail: (218) [system] '\n'=(;)
   Call: (218) [system] '\n'=(/)
   Fail: (218) [system] '\n'=(/)
^  Call: (218) [user] is_like_space('\n')
   Call: (219) [system] char_type('\n', 'white')
   Fail: (219) [system] char_type('\n', 'white')
   Call: (219) [system] char_type('\n', end_of_line)
   Exit: (219) [system] char_type('\n', end_of_line)
^  Exit: (218) [user] is_like_space('\n')
   Call: (218) [system] get_char((0x55772f068e50), _1951552)
   Exit: (218) [system] get_char((0x55772f068e50), '\n')
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1954256)
   Exit: (219) [system] peek_char((0x55772f068e50), '\t')
   Call: (219) [system] '\t'=(;)
   Fail: (219) [system] '\t'=(;)
   Call: (219) [system] '\t'=(/)
   Fail: (219) [system] '\t'=(/)
^  Call: (219) [user] is_like_space('\t')
   Call: (220) [system] char_type('\t', 'white')
   Exit: (220) [system] char_type('\t', 'white')
^  Exit: (219) [user] is_like_space('\t')
   Call: (219) [system] get_char((0x55772f068e50), _1963850)
   Exit: (219) [system] get_char((0x55772f068e50), '\t')
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1966554)
   Exit: (220) [system] peek_char((0x55772f068e50), '\t')
   Call: (220) [system] '\t'=(;)
   Fail: (220) [system] '\t'=(;)
   Call: (220) [system] '\t'=(/)
   Fail: (220) [system] '\t'=(/)
^  Call: (220) [user] is_like_space('\t')
   Call: (221) [system] char_type('\t', 'white')
   Exit: (221) [system] char_type('\t', 'white')
^  Exit: (220) [user] is_like_space('\t')
   Call: (220) [system] get_char((0x55772f068e50), _1976148)
   Exit: (220) [system] get_char((0x55772f068e50), '\t')
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1978852)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x55772f068e50), _1988446)
   Exit: (221) [system] get_char((0x55772f068e50), ' ')
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1991150)
   Exit: (222) [system] peek_char((0x55772f068e50), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _2010856)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _2016426)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _2018284)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _2034294)
   Exit: (218) [system] get_char((0x55772f068e50), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x55772f068e50), _2016426)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _2039864)
   Exit: (220) [system] peek_char((0x55772f068e50), :)
   Call: (220) [system] (:)=(;)
   Fail: (220) [system] (:)=(;)
   Call: (220) [system] (:)=(/)
   Fail: (220) [system] (:)=(/)
^  Call: (220) [user] is_like_space(:)
   Call: (221) [system] char_type(:, 'white')
   Fail: (221) [system] char_type(:, 'white')
   Call: (221) [system] char_type(:, end_of_line)
   Fail: (221) [system] char_type(:, end_of_line)
   Call: (221) [system] char_type(:, space)
   Fail: (221) [system] char_type(:, space)
   Call: (221) [system] char_type(:, cntrl)
   Fail: (221) [system] char_type(:, cntrl)
^  Fail: (220) [user] is_like_space(:)
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _2055874)
   Exit: (219) [system] peek_char((0x55772f068e50), :)
   Call: (219) [system] (:)=')'
   Fail: (219) [system] (:)=')'
   Call: (219) [system] (:)=end_of_file
   Fail: (219) [system] (:)=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _2061444)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _2063302)
   Exit: (221) [system] peek_char((0x55772f068e50), :)
   Call: (221) [system] (:)=(;)
   Fail: (221) [system] (:)=(;)
   Call: (221) [system] (:)=(/)
   Fail: (221) [system] (:)=(/)
^  Call: (221) [user] is_like_space(:)
   Call: (222) [system] char_type(:, 'white')
   Fail: (222) [system] char_type(:, 'white')
   Call: (222) [system] char_type(:, end_of_line)
   Fail: (222) [system] char_type(:, end_of_line)
   Call: (222) [system] char_type(:, space)
   Fail: (222) [system] char_type(:, space)
   Call: (222) [system] char_type(:, cntrl)
   Fail: (222) [system] char_type(:, cntrl)
^  Fail: (221) [user] is_like_space(:)
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _2079312)
   Exit: (220) [system] get_char((0x55772f068e50), :)
   Call: (220) [system] (:)='('
   Fail: (220) [system] (:)='('
   Call: (220) [system] (:)='['
   Fail: (220) [system] (:)='['
   Call: (220) [system] (:)='{'
   Fail: (220) [system] (:)='{'
   Call: (220) [system] (:)='"'
   Fail: (220) [system] (:)='"'
   Call: (220) [system] (:)=!
   Fail: (220) [system] (:)=!
   Call: (220) [system] (:)='\''
   Fail: (220) [system] (:)='\''
   Call: (220) [system] (:)='`'
   Fail: (220) [system] (:)='`'
   Call: (220) [system] (:)=end_of_file
   Fail: (220) [system] (:)=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x55772f068e50), :, _2061444)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _5986)
   Call: (222) [system] peek_char((0x55772f068e50), _6878)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _5986=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (221) [user] classify_and_convert_charseq([:], _5980)
^  Call: (222) [user] classify_and_convert_charseq_([:], _16162)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_17114, _17116), once(user:catch(read_from_chars([:], _16162), _17096, fail)), '$restore_trace'(_17114, _17116))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_17114, _17116))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _17096, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(:)
   Exit: (223) [system] atomic(:)
^  Exit: (222) [user] classify_and_convert_charseq_([:], :)
   Call: (222) [system] integer(:)
   Fail: (222) [system] integer(:)
   Call: (222) [system] _5980=(:)
   Exit: (222) [system] (:)=(:)
^  Exit: (221) [user] classify_and_convert_charseq([:], :)
^  Exit: (220) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (219) [user] read_list(')', (0x55772f068e50), _29242)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _31100)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x55772f068e50), _40694)
   Exit: (221) [system] get_char((0x55772f068e50), ' ')
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _43398)
   Exit: (222) [system] peek_char((0x55772f068e50), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _60332)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _65902)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _67760)
   Exit: (222) [system] peek_char((0x55772f068e50), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _83770)
   Exit: (221) [system] get_char((0x55772f068e50), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x55772f068e50), _65902)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _89340)
   Exit: (223) [system] peek_char((0x55772f068e50), 'D')
   Call: (223) [system] 'D'=(;)
   Fail: (223) [system] 'D'=(;)
   Call: (223) [system] 'D'=(/)
   Fail: (223) [system] 'D'=(/)
^  Call: (223) [user] is_like_space('D')
   Call: (224) [system] char_type('D', 'white')
   Fail: (224) [system] char_type('D', 'white')
   Call: (224) [system] char_type('D', end_of_line)
   Fail: (224) [system] char_type('D', end_of_line)
   Call: (224) [system] char_type('D', space)
   Fail: (224) [system] char_type('D', space)
   Call: (224) [system] char_type('D', cntrl)
   Fail: (224) [system] char_type('D', cntrl)
^  Fail: (223) [user] is_like_space('D')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _105350)
   Exit: (222) [system] peek_char((0x55772f068e50), 'D')
   Call: (222) [system] 'D'=')'
   Fail: (222) [system] 'D'=')'
   Call: (222) [system] 'D'=end_of_file
   Fail: (222) [system] 'D'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _110920)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _112778)
   Exit: (224) [system] peek_char((0x55772f068e50), 'D')
   Call: (224) [system] 'D'=(;)
   Fail: (224) [system] 'D'=(;)
   Call: (224) [system] 'D'=(/)
   Fail: (224) [system] 'D'=(/)
^  Call: (224) [user] is_like_space('D')
   Call: (225) [system] char_type('D', 'white')
   Fail: (225) [system] char_type('D', 'white')
   Call: (225) [system] char_type('D', end_of_line)
   Fail: (225) [system] char_type('D', end_of_line)
   Call: (225) [system] char_type('D', space)
   Fail: (225) [system] char_type('D', space)
   Call: (225) [system] char_type('D', cntrl)
   Fail: (225) [system] char_type('D', cntrl)
^  Fail: (224) [user] is_like_space('D')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _128788)
   Exit: (223) [system] get_char((0x55772f068e50), 'D')
   Call: (223) [system] 'D'='('
   Fail: (223) [system] 'D'='('
   Call: (223) [system] 'D'='['
   Fail: (223) [system] 'D'='['
   Call: (223) [system] 'D'='{'
   Fail: (223) [system] 'D'='{'
   Call: (223) [system] 'D'='"'
   Fail: (223) [system] 'D'='"'
   Call: (223) [system] 'D'=!
   Fail: (223) [system] 'D'=!
   Call: (223) [system] 'D'='\''
   Fail: (223) [system] 'D'='\''
   Call: (223) [system] 'D'='`'
   Fail: (223) [system] 'D'='`'
   Call: (223) [system] 'D'=end_of_file
   Fail: (223) [system] 'D'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x55772f068e50), 'D', _110920)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _146430)
   Call: (225) [system] peek_char((0x55772f068e50), _147364)
   Exit: (225) [system] peek_char((0x55772f068e50), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_152084, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_153016, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x55772f068e50), i)
   Exit: (225) [system] get_char((0x55772f068e50), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _160366)
   Call: (226) [system] peek_char((0x55772f068e50), _161300)
   Exit: (226) [system] peek_char((0x55772f068e50), s)
^  Call: (226) [user] is_delimiter(s)
   Call: (227) [system] char_type(s, space)
   Fail: (227) [system] char_type(s, space)
   Call: (227) [system] arg(_166020, v('(', ')', end_of_file), s)
   Fail: (227) [system] arg(_166952, v('(', ')', end_of_file), s)
^  Fail: (226) [user] is_delimiter(s)
   Call: (226) [system] ')'==s
   Fail: (226) [system] ')'==s
   Call: (226) [system] get_char((0x55772f068e50), s)
   Exit: (226) [system] get_char((0x55772f068e50), s)
   Call: (226) [system] s=(\)
   Fail: (226) [system] s=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _174302)
   Call: (227) [system] peek_char((0x55772f068e50), _175236)
   Exit: (227) [system] peek_char((0x55772f068e50), j)
^  Call: (227) [user] is_delimiter(j)
   Call: (228) [system] char_type(j, space)
   Fail: (228) [system] char_type(j, space)
   Call: (228) [system] arg(_179956, v('(', ')', end_of_file), j)
   Fail: (228) [system] arg(_180888, v('(', ')', end_of_file), j)
^  Fail: (227) [user] is_delimiter(j)
   Call: (227) [system] ')'==j
   Fail: (227) [system] ')'==j
   Call: (227) [system] get_char((0x55772f068e50), j)
   Exit: (227) [system] get_char((0x55772f068e50), j)
   Call: (227) [system] j=(\)
   Fail: (227) [system] j=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _188238)
   Call: (228) [system] peek_char((0x55772f068e50), _189172)
   Exit: (228) [system] peek_char((0x55772f068e50), u)
^  Call: (228) [user] is_delimiter(u)
   Call: (229) [system] char_type(u, space)
   Fail: (229) [system] char_type(u, space)
   Call: (229) [system] arg(_193892, v('(', ')', end_of_file), u)
   Fail: (229) [system] arg(_194824, v('(', ')', end_of_file), u)
^  Fail: (228) [user] is_delimiter(u)
   Call: (228) [system] ')'==u
   Fail: (228) [system] ')'==u
   Call: (228) [system] get_char((0x55772f068e50), u)
   Exit: (228) [system] get_char((0x55772f068e50), u)
   Call: (228) [system] u=(\)
   Fail: (228) [system] u=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _202174)
   Call: (229) [system] peek_char((0x55772f068e50), _203108)
   Exit: (229) [system] peek_char((0x55772f068e50), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_207828, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_208760, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x55772f068e50), n)
   Exit: (229) [system] get_char((0x55772f068e50), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _216110)
   Call: (230) [system] peek_char((0x55772f068e50), _217044)
   Exit: (230) [system] peek_char((0x55772f068e50), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Fail: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_221764, v('(', ')', end_of_file), c)
   Fail: (231) [system] arg(_222696, v('(', ')', end_of_file), c)
^  Fail: (230) [user] is_delimiter(c)
   Call: (230) [system] ')'==c
   Fail: (230) [system] ')'==c
   Call: (230) [system] get_char((0x55772f068e50), c)
   Exit: (230) [system] get_char((0x55772f068e50), c)
   Call: (230) [system] c=(\)
   Fail: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _230046)
   Call: (231) [system] peek_char((0x55772f068e50), _230980)
   Exit: (231) [system] peek_char((0x55772f068e50), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Fail: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_235700, v('(', ')', end_of_file), t)
   Fail: (232) [system] arg(_236632, v('(', ')', end_of_file), t)
^  Fail: (231) [user] is_delimiter(t)
   Call: (231) [system] ')'==t
   Fail: (231) [system] ')'==t
   Call: (231) [system] get_char((0x55772f068e50), t)
   Exit: (231) [system] get_char((0x55772f068e50), t)
   Call: (231) [system] t=(\)
   Fail: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _243982)
   Call: (232) [system] peek_char((0x55772f068e50), _244916)
   Exit: (232) [system] peek_char((0x55772f068e50), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_249636, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_250568, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x55772f068e50), i)
   Exit: (232) [system] get_char((0x55772f068e50), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _257918)
   Call: (233) [system] peek_char((0x55772f068e50), _258852)
   Exit: (233) [system] peek_char((0x55772f068e50), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Fail: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_263572, v('(', ')', end_of_file), o)
   Fail: (234) [system] arg(_264504, v('(', ')', end_of_file), o)
^  Fail: (233) [user] is_delimiter(o)
   Call: (233) [system] ')'==o
   Fail: (233) [system] ')'==o
   Call: (233) [system] get_char((0x55772f068e50), o)
   Exit: (233) [system] get_char((0x55772f068e50), o)
   Call: (233) [system] o=(\)
   Fail: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _271854)
   Call: (234) [system] peek_char((0x55772f068e50), _272788)
   Exit: (234) [system] peek_char((0x55772f068e50), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_277508, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_278440, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x55772f068e50), n)
   Exit: (234) [system] get_char((0x55772f068e50), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _285790)
   Call: (235) [system] peek_char((0x55772f068e50), _286724)
   Exit: (235) [system] peek_char((0x55772f068e50), 'I')
^  Call: (235) [user] is_delimiter('I')
   Call: (236) [system] char_type('I', space)
   Fail: (236) [system] char_type('I', space)
   Call: (236) [system] arg(_291444, v('(', ')', end_of_file), 'I')
   Fail: (236) [system] arg(_292376, v('(', ')', end_of_file), 'I')
^  Fail: (235) [user] is_delimiter('I')
   Call: (235) [system] ')'=='I'
   Fail: (235) [system] ')'=='I'
   Call: (235) [system] get_char((0x55772f068e50), 'I')
   Exit: (235) [system] get_char((0x55772f068e50), 'I')
   Call: (235) [system] 'I'=(\)
   Fail: (235) [system] 'I'=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _299726)
   Call: (236) [system] peek_char((0x55772f068e50), _300660)
   Exit: (236) [system] peek_char((0x55772f068e50), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_305380, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_306312, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x55772f068e50), n)
   Exit: (236) [system] get_char((0x55772f068e50), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _313662)
   Call: (237) [system] peek_char((0x55772f068e50), _314596)
   Exit: (237) [system] peek_char((0x55772f068e50), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Fail: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_319316, v('(', ')', end_of_file), t)
   Fail: (238) [system] arg(_320248, v('(', ')', end_of_file), t)
^  Fail: (237) [user] is_delimiter(t)
   Call: (237) [system] ')'==t
   Fail: (237) [system] ')'==t
   Call: (237) [system] get_char((0x55772f068e50), t)
   Exit: (237) [system] get_char((0x55772f068e50), t)
   Call: (237) [system] t=(\)
   Fail: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _327598)
   Call: (238) [system] peek_char((0x55772f068e50), _328532)
   Exit: (238) [system] peek_char((0x55772f068e50), r)
^  Call: (238) [user] is_delimiter(r)
   Call: (239) [system] char_type(r, space)
   Fail: (239) [system] char_type(r, space)
   Call: (239) [system] arg(_333252, v('(', ')', end_of_file), r)
   Fail: (239) [system] arg(_334184, v('(', ')', end_of_file), r)
^  Fail: (238) [user] is_delimiter(r)
   Call: (238) [system] ')'==r
   Fail: (238) [system] ')'==r
   Call: (238) [system] get_char((0x55772f068e50), r)
   Exit: (238) [system] get_char((0x55772f068e50), r)
   Call: (238) [system] r=(\)
   Fail: (238) [system] r=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _341534)
   Call: (239) [system] peek_char((0x55772f068e50), _342468)
   Exit: (239) [system] peek_char((0x55772f068e50), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Fail: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_347188, v('(', ')', end_of_file), o)
   Fail: (240) [system] arg(_348120, v('(', ')', end_of_file), o)
^  Fail: (239) [user] is_delimiter(o)
   Call: (239) [system] ')'==o
   Fail: (239) [system] ')'==o
   Call: (239) [system] get_char((0x55772f068e50), o)
   Exit: (239) [system] get_char((0x55772f068e50), o)
   Call: (239) [system] o=(\)
   Fail: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _355470)
   Call: (240) [system] peek_char((0x55772f068e50), _356404)
   Exit: (240) [system] peek_char((0x55772f068e50), d)
^  Call: (240) [user] is_delimiter(d)
   Call: (241) [system] char_type(d, space)
   Fail: (241) [system] char_type(d, space)
   Call: (241) [system] arg(_361124, v('(', ')', end_of_file), d)
   Fail: (241) [system] arg(_362056, v('(', ')', end_of_file), d)
^  Fail: (240) [user] is_delimiter(d)
   Call: (240) [system] ')'==d
   Fail: (240) [system] ')'==d
   Call: (240) [system] get_char((0x55772f068e50), d)
   Exit: (240) [system] get_char((0x55772f068e50), d)
   Call: (240) [system] d=(\)
   Fail: (240) [system] d=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _369406)
   Call: (241) [system] peek_char((0x55772f068e50), _370340)
   Exit: (241) [system] peek_char((0x55772f068e50), u)
^  Call: (241) [user] is_delimiter(u)
   Call: (242) [system] char_type(u, space)
   Fail: (242) [system] char_type(u, space)
   Call: (242) [system] arg(_375060, v('(', ')', end_of_file), u)
   Fail: (242) [system] arg(_375992, v('(', ')', end_of_file), u)
^  Fail: (241) [user] is_delimiter(u)
   Call: (241) [system] ')'==u
   Fail: (241) [system] ')'==u
   Call: (241) [system] get_char((0x55772f068e50), u)
   Exit: (241) [system] get_char((0x55772f068e50), u)
   Call: (241) [system] u=(\)
   Fail: (241) [system] u=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x55772f068e50), _383342)
   Call: (242) [system] peek_char((0x55772f068e50), _384276)
   Exit: (242) [system] peek_char((0x55772f068e50), c)
^  Call: (242) [user] is_delimiter(c)
   Call: (243) [system] char_type(c, space)
   Fail: (243) [system] char_type(c, space)
   Call: (243) [system] arg(_388996, v('(', ')', end_of_file), c)
   Fail: (243) [system] arg(_389928, v('(', ')', end_of_file), c)
^  Fail: (242) [user] is_delimiter(c)
   Call: (242) [system] ')'==c
   Fail: (242) [system] ')'==c
   Call: (242) [system] get_char((0x55772f068e50), c)
   Exit: (242) [system] get_char((0x55772f068e50), c)
   Call: (242) [system] c=(\)
   Fail: (242) [system] c=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x55772f068e50), _397278)
   Call: (243) [system] peek_char((0x55772f068e50), _398212)
   Exit: (243) [system] peek_char((0x55772f068e50), t)
^  Call: (243) [user] is_delimiter(t)
   Call: (244) [system] char_type(t, space)
   Fail: (244) [system] char_type(t, space)
   Call: (244) [system] arg(_402932, v('(', ')', end_of_file), t)
   Fail: (244) [system] arg(_403864, v('(', ')', end_of_file), t)
^  Fail: (243) [user] is_delimiter(t)
   Call: (243) [system] ')'==t
   Fail: (243) [system] ')'==t
   Call: (243) [system] get_char((0x55772f068e50), t)
   Exit: (243) [system] get_char((0x55772f068e50), t)
   Call: (243) [system] t=(\)
   Fail: (243) [system] t=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x55772f068e50), _411214)
   Call: (244) [system] peek_char((0x55772f068e50), _412148)
   Exit: (244) [system] peek_char((0x55772f068e50), i)
^  Call: (244) [user] is_delimiter(i)
   Call: (245) [system] char_type(i, space)
   Fail: (245) [system] char_type(i, space)
   Call: (245) [system] arg(_416868, v('(', ')', end_of_file), i)
   Fail: (245) [system] arg(_417800, v('(', ')', end_of_file), i)
^  Fail: (244) [user] is_delimiter(i)
   Call: (244) [system] ')'==i
   Fail: (244) [system] ')'==i
   Call: (244) [system] get_char((0x55772f068e50), i)
   Exit: (244) [system] get_char((0x55772f068e50), i)
   Call: (244) [system] i=(\)
   Fail: (244) [system] i=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x55772f068e50), _425150)
   Call: (245) [system] peek_char((0x55772f068e50), _426084)
   Exit: (245) [system] peek_char((0x55772f068e50), o)
^  Call: (245) [user] is_delimiter(o)
   Call: (246) [system] char_type(o, space)
   Fail: (246) [system] char_type(o, space)
   Call: (246) [system] arg(_430804, v('(', ')', end_of_file), o)
   Fail: (246) [system] arg(_431736, v('(', ')', end_of_file), o)
^  Fail: (245) [user] is_delimiter(o)
   Call: (245) [system] ')'==o
   Fail: (245) [system] ')'==o
   Call: (245) [system] get_char((0x55772f068e50), o)
   Exit: (245) [system] get_char((0x55772f068e50), o)
   Call: (245) [system] o=(\)
   Fail: (245) [system] o=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x55772f068e50), _439086)
   Call: (246) [system] peek_char((0x55772f068e50), _440020)
   Exit: (246) [system] peek_char((0x55772f068e50), n)
^  Call: (246) [user] is_delimiter(n)
   Call: (247) [system] char_type(n, space)
   Fail: (247) [system] char_type(n, space)
   Call: (247) [system] arg(_444740, v('(', ')', end_of_file), n)
   Fail: (247) [system] arg(_445672, v('(', ')', end_of_file), n)
^  Fail: (246) [user] is_delimiter(n)
   Call: (246) [system] ')'==n
   Fail: (246) [system] ')'==n
   Call: (246) [system] get_char((0x55772f068e50), n)
   Exit: (246) [system] get_char((0x55772f068e50), n)
   Call: (246) [system] n=(\)
   Fail: (246) [system] n=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x55772f068e50), _453022)
   Call: (247) [system] peek_char((0x55772f068e50), _453956)
   Exit: (247) [system] peek_char((0x55772f068e50), ' ')
^  Call: (247) [user] is_delimiter(' ')
   Call: (248) [system] char_type(' ', space)
   Exit: (248) [system] char_type(' ', space)
^  Exit: (247) [user] is_delimiter(' ')
   Call: (247) [system] _453022=[]
   Exit: (247) [system] []=[]
^  Exit: (246) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (246) [system] _439086=[n]
   Exit: (246) [system] [n]=[n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (245) [system] _425150=[o, n]
   Exit: (245) [system] [o, n]=[o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (244) [system] _411214=[i, o, n]
   Exit: (244) [system] [i, o, n]=[i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (243) [system] _397278=[t, i, o, n]
   Exit: (243) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (242) [system] _383342=[c, t, i, o, n]
   Exit: (242) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (241) [system] _369406=[u, c, t, i, o, n]
   Exit: (241) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (240) [system] _355470=[d, u, c, t, i, o, n]
   Exit: (240) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (239) [system] _341534=[o, d, u, c, t, i, o, n]
   Exit: (239) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (238) [system] _327598=[r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _313662=[t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _299726=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _285790=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _271854=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _257918=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _243982=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _230046=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _216110=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _202174=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _188238=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _174302=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _160366=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _146430=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (224) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _110920)
^  Call: (225) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _524708)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_525660, _525662), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _524708), _525642, fail)), '$restore_trace'(_525660, _525662))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_525660, _525662))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _524708), _525642, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_524708)
   Fail: (226) [system] atomic(_524708)
   Call: (226) [system] atom_chars(_524708, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (226) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (225) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (225) [system] integer('DisjunctionIntroduction')
   Fail: (225) [system] integer('DisjunctionIntroduction')
   Call: (225) [system] _110920='DisjunctionIntroduction'
   Exit: (225) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (224) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (223) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (222) [user] read_list(')', (0x55772f068e50), _539658)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _541516)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x55772f068e50), _551110)
   Exit: (224) [system] get_char((0x55772f068e50), ' ')
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _553814)
   Exit: (225) [system] peek_char((0x55772f068e50), c)
   Call: (225) [system] c=(;)
   Fail: (225) [system] c=(;)
   Call: (225) [system] c=(/)
   Fail: (225) [system] c=(/)
^  Call: (225) [user] is_like_space(c)
   Call: (226) [system] char_type(c, 'white')
   Fail: (226) [system] char_type(c, 'white')
   Call: (226) [system] char_type(c, end_of_line)
   Fail: (226) [system] char_type(c, end_of_line)
   Call: (226) [system] char_type(c, space)
   Fail: (226) [system] char_type(c, space)
   Call: (226) [system] char_type(c, cntrl)
   Fail: (226) [system] char_type(c, cntrl)
^  Fail: (225) [user] is_like_space(c)
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _570748)
   Exit: (223) [system] peek_char((0x55772f068e50), c)
   Call: (223) [system] c=')'
   Fail: (223) [system] c=')'
   Call: (223) [system] c=end_of_file
   Fail: (223) [system] c=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x55772f068e50), _576318)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _578176)
   Exit: (225) [system] peek_char((0x55772f068e50), c)
   Call: (225) [system] c=(;)
   Fail: (225) [system] c=(;)
   Call: (225) [system] c=(/)
   Fail: (225) [system] c=(/)
^  Call: (225) [user] is_like_space(c)
   Call: (226) [system] char_type(c, 'white')
   Fail: (226) [system] char_type(c, 'white')
   Call: (226) [system] char_type(c, end_of_line)
   Fail: (226) [system] char_type(c, end_of_line)
   Call: (226) [system] char_type(c, space)
   Fail: (226) [system] char_type(c, space)
   Call: (226) [system] char_type(c, cntrl)
   Fail: (226) [system] char_type(c, cntrl)
^  Fail: (225) [user] is_like_space(c)
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] get_char((0x55772f068e50), _594186)
   Exit: (224) [system] get_char((0x55772f068e50), c)
   Call: (224) [system] c='('
   Fail: (224) [system] c='('
   Call: (224) [system] c='['
   Fail: (224) [system] c='['
   Call: (224) [system] c='{'
   Fail: (224) [system] c='{'
   Call: (224) [system] c='"'
   Fail: (224) [system] c='"'
   Call: (224) [system] c=!
   Fail: (224) [system] c=!
   Call: (224) [system] c='\''
   Fail: (224) [system] c='\''
   Call: (224) [system] c='`'
   Fail: (224) [system] c='`'
   Call: (224) [system] c=end_of_file
   Fail: (224) [system] c=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x55772f068e50), c, _576318)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _611828)
   Call: (226) [system] peek_char((0x55772f068e50), _612762)
   Exit: (226) [system] peek_char((0x55772f068e50), d)
^  Call: (226) [user] is_delimiter(d)
   Call: (227) [system] char_type(d, space)
   Fail: (227) [system] char_type(d, space)
   Call: (227) [system] arg(_617482, v('(', ')', end_of_file), d)
   Fail: (227) [system] arg(_618414, v('(', ')', end_of_file), d)
^  Fail: (226) [user] is_delimiter(d)
   Call: (226) [system] ')'==d
   Fail: (226) [system] ')'==d
   Call: (226) [system] get_char((0x55772f068e50), d)
   Exit: (226) [system] get_char((0x55772f068e50), d)
   Call: (226) [system] d=(\)
   Fail: (226) [system] d=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _625764)
   Call: (227) [system] peek_char((0x55772f068e50), _626698)
   Exit: (227) [system] peek_char((0x55772f068e50), e)
^  Call: (227) [user] is_delimiter(e)
   Call: (228) [system] char_type(e, space)
   Fail: (228) [system] char_type(e, space)
   Call: (228) [system] arg(_631418, v('(', ')', end_of_file), e)
   Fail: (228) [system] arg(_632350, v('(', ')', end_of_file), e)
^  Fail: (227) [user] is_delimiter(e)
   Call: (227) [system] ')'==e
   Fail: (227) [system] ')'==e
   Call: (227) [system] get_char((0x55772f068e50), e)
   Exit: (227) [system] get_char((0x55772f068e50), e)
   Call: (227) [system] e=(\)
   Fail: (227) [system] e=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _639700)
   Call: (228) [system] peek_char((0x55772f068e50), _640634)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _639700=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (227) [system] _625764=[e]
   Exit: (227) [system] [e]=[e]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (226) [system] _611828=[d, e]
   Exit: (226) [system] [d, e]=[d, e]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [d, e])
^  Call: (225) [user] classify_and_convert_charseq([c, d, e], _576318)
^  Call: (226) [user] classify_and_convert_charseq_([c, d, e], _655506)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_656458, _656460), once(user:catch(read_from_chars([c, d, e], _655506), _656440, fail)), '$restore_trace'(_656458, _656460))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_656458, _656460))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _656440, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(cde)
   Exit: (227) [system] atomic(cde)
^  Exit: (226) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (226) [system] integer(cde)
   Fail: (226) [system] integer(cde)
   Call: (226) [system] _576318=cde
   Exit: (226) [system] cde=cde
^  Exit: (225) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (224) [user] read_symbolic(')', (0x55772f068e50), c, cde)
^  Exit: (223) [user] cont_sexpr(')', (0x55772f068e50), cde)
^  Call: (223) [user] read_list(')', (0x55772f068e50), _668586)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _670444)
   Exit: (225) [system] peek_char((0x55772f068e50), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x55772f068e50), _680038)
   Exit: (225) [system] get_char((0x55772f068e50), ' ')
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _682742)
   Exit: (226) [system] peek_char((0x55772f068e50), a)
   Call: (226) [system] a=(;)
   Fail: (226) [system] a=(;)
   Call: (226) [system] a=(/)
   Fail: (226) [system] a=(/)
^  Call: (226) [user] is_like_space(a)
   Call: (227) [system] char_type(a, 'white')
   Fail: (227) [system] char_type(a, 'white')
   Call: (227) [system] char_type(a, end_of_line)
   Fail: (227) [system] char_type(a, end_of_line)
   Call: (227) [system] char_type(a, space)
   Fail: (227) [system] char_type(a, space)
   Call: (227) [system] char_type(a, cntrl)
   Fail: (227) [system] char_type(a, cntrl)
^  Fail: (226) [user] is_like_space(a)
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _699676)
   Exit: (224) [system] peek_char((0x55772f068e50), a)
   Call: (224) [system] a=')'
   Fail: (224) [system] a=')'
   Call: (224) [system] a=end_of_file
   Fail: (224) [system] a=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x55772f068e50), _705246)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _707104)
   Exit: (226) [system] peek_char((0x55772f068e50), a)
   Call: (226) [system] a=(;)
   Fail: (226) [system] a=(;)
   Call: (226) [system] a=(/)
   Fail: (226) [system] a=(/)
^  Call: (226) [user] is_like_space(a)
   Call: (227) [system] char_type(a, 'white')
   Fail: (227) [system] char_type(a, 'white')
   Call: (227) [system] char_type(a, end_of_line)
   Fail: (227) [system] char_type(a, end_of_line)
   Call: (227) [system] char_type(a, space)
   Fail: (227) [system] char_type(a, space)
   Call: (227) [system] char_type(a, cntrl)
   Fail: (227) [system] char_type(a, cntrl)
^  Fail: (226) [user] is_like_space(a)
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] get_char((0x55772f068e50), _723114)
   Exit: (225) [system] get_char((0x55772f068e50), a)
   Call: (225) [system] a='('
   Fail: (225) [system] a='('
   Call: (225) [system] a='['
   Fail: (225) [system] a='['
   Call: (225) [system] a='{'
   Fail: (225) [system] a='{'
   Call: (225) [system] a='"'
   Fail: (225) [system] a='"'
   Call: (225) [system] a=!
   Fail: (225) [system] a=!
   Call: (225) [system] a='\''
   Fail: (225) [system] a='\''
   Call: (225) [system] a='`'
   Fail: (225) [system] a='`'
   Call: (225) [system] a=end_of_file
   Fail: (225) [system] a=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x55772f068e50), a, _705246)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _740756)
   Call: (227) [system] peek_char((0x55772f068e50), _741690)
   Exit: (227) [system] peek_char((0x55772f068e50), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_746410, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _740756=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (226) [user] classify_and_convert_charseq([a], _705246)
^  Call: (227) [user] classify_and_convert_charseq_([a], _752846)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_753798, _753800), once(user:catch(read_from_chars([a], _752846), _753780, fail)), '$restore_trace'(_753798, _753800))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_753798, _753800))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _753780, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(a)
   Exit: (228) [system] atomic(a)
^  Exit: (227) [user] classify_and_convert_charseq_([a], a)
   Call: (227) [system] integer(a)
   Fail: (227) [system] integer(a)
   Call: (227) [system] _705246=a
   Exit: (227) [system] a=a
^  Exit: (226) [user] classify_and_convert_charseq([a], a)
^  Exit: (225) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (224) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (224) [user] read_list(')', (0x55772f068e50), _765926)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _767784)
   Exit: (226) [system] peek_char((0x55772f068e50), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
   Call: (226) [system] ')'=(/)
   Fail: (226) [system] ')'=(/)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _783794)
   Exit: (225) [system] peek_char((0x55772f068e50), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x55772f068e50), _787584)
   Exit: (225) [system] get_char((0x55772f068e50), ')')
   Call: (225) [system] _765926=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x55772f068e50), [])
   Call: (224) [system] _668586=[a]
   Exit: (224) [system] [a]=[a]
^  Exit: (223) [user] read_list(')', (0x55772f068e50), [a])
   Call: (223) [system] _539658=[cde, a]
   Exit: (223) [system] [cde, a]=[cde, a]
^  Exit: (222) [user] read_list(')', (0x55772f068e50), [cde, a])
   Call: (222) [system] _65902=['DisjunctionIntroduction', cde, a]
   Exit: (222) [system] ['DisjunctionIntroduction', cde, a]=['DisjunctionIntroduction', cde, a]
^  Exit: (221) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', cde, a])
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', cde, a])
^  Call: (220) [user] read_list(')', (0x55772f068e50), _801466)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _803324)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x55772f068e50), _812918)
   Exit: (222) [system] get_char((0x55772f068e50), ' ')
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _815622)
   Exit: (223) [system] peek_char((0x55772f068e50), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _832556)
   Exit: (221) [system] peek_char((0x55772f068e50), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _838126)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _839984)
   Exit: (223) [system] peek_char((0x55772f068e50), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _855994)
   Exit: (222) [system] get_char((0x55772f068e50), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x55772f068e50), _838126)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _861564)
   Exit: (224) [system] peek_char((0x55772f068e50), 'O')
   Call: (224) [system] 'O'=(;)
   Fail: (224) [system] 'O'=(;)
   Call: (224) [system] 'O'=(/)
   Fail: (224) [system] 'O'=(/)
^  Call: (224) [user] is_like_space('O')
   Call: (225) [system] char_type('O', 'white')
   Fail: (225) [system] char_type('O', 'white')
   Call: (225) [system] char_type('O', end_of_line)
   Fail: (225) [system] char_type('O', end_of_line)
   Call: (225) [system] char_type('O', space)
   Fail: (225) [system] char_type('O', space)
   Call: (225) [system] char_type('O', cntrl)
   Fail: (225) [system] char_type('O', cntrl)
^  Fail: (224) [user] is_like_space('O')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _877574)
   Exit: (223) [system] peek_char((0x55772f068e50), 'O')
   Call: (223) [system] 'O'=')'
   Fail: (223) [system] 'O'=')'
   Call: (223) [system] 'O'=end_of_file
   Fail: (223) [system] 'O'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x55772f068e50), _883144)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _885002)
   Exit: (225) [system] peek_char((0x55772f068e50), 'O')
   Call: (225) [system] 'O'=(;)
   Fail: (225) [system] 'O'=(;)
   Call: (225) [system] 'O'=(/)
   Fail: (225) [system] 'O'=(/)
^  Call: (225) [user] is_like_space('O')
   Call: (226) [system] char_type('O', 'white')
   Fail: (226) [system] char_type('O', 'white')
   Call: (226) [system] char_type('O', end_of_line)
   Fail: (226) [system] char_type('O', end_of_line)
   Call: (226) [system] char_type('O', space)
   Fail: (226) [system] char_type('O', space)
   Call: (226) [system] char_type('O', cntrl)
   Fail: (226) [system] char_type('O', cntrl)
^  Fail: (225) [user] is_like_space('O')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] get_char((0x55772f068e50), _901012)
   Exit: (224) [system] get_char((0x55772f068e50), 'O')
   Call: (224) [system] 'O'='('
   Fail: (224) [system] 'O'='('
   Call: (224) [system] 'O'='['
   Fail: (224) [system] 'O'='['
   Call: (224) [system] 'O'='{'
   Fail: (224) [system] 'O'='{'
   Call: (224) [system] 'O'='"'
   Fail: (224) [system] 'O'='"'
   Call: (224) [system] 'O'=!
   Fail: (224) [system] 'O'=!
   Call: (224) [system] 'O'='\''
   Fail: (224) [system] 'O'='\''
   Call: (224) [system] 'O'='`'
   Fail: (224) [system] 'O'='`'
   Call: (224) [system] 'O'=end_of_file
   Fail: (224) [system] 'O'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x55772f068e50), 'O', _883144)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _918654)
   Call: (226) [system] peek_char((0x55772f068e50), _919588)
   Exit: (226) [system] peek_char((0x55772f068e50), r)
^  Call: (226) [user] is_delimiter(r)
   Call: (227) [system] char_type(r, space)
   Fail: (227) [system] char_type(r, space)
   Call: (227) [system] arg(_924308, v('(', ')', end_of_file), r)
   Fail: (227) [system] arg(_925240, v('(', ')', end_of_file), r)
^  Fail: (226) [user] is_delimiter(r)
   Call: (226) [system] ')'==r
   Fail: (226) [system] ')'==r
   Call: (226) [system] get_char((0x55772f068e50), r)
   Exit: (226) [system] get_char((0x55772f068e50), r)
   Call: (226) [system] r=(\)
   Fail: (226) [system] r=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _932590)
   Call: (227) [system] peek_char((0x55772f068e50), _933524)
   Exit: (227) [system] peek_char((0x55772f068e50), 'L')
^  Call: (227) [user] is_delimiter('L')
   Call: (228) [system] char_type('L', space)
   Fail: (228) [system] char_type('L', space)
   Call: (228) [system] arg(_938244, v('(', ')', end_of_file), 'L')
   Fail: (228) [system] arg(_939176, v('(', ')', end_of_file), 'L')
^  Fail: (227) [user] is_delimiter('L')
   Call: (227) [system] ')'=='L'
   Fail: (227) [system] ')'=='L'
   Call: (227) [system] get_char((0x55772f068e50), 'L')
   Exit: (227) [system] get_char((0x55772f068e50), 'L')
   Call: (227) [system] 'L'=(\)
   Fail: (227) [system] 'L'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _946526)
   Call: (228) [system] peek_char((0x55772f068e50), _947460)
   Exit: (228) [system] peek_char((0x55772f068e50), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_952180, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_953112, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x55772f068e50), i)
   Exit: (228) [system] get_char((0x55772f068e50), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _960462)
   Call: (229) [system] peek_char((0x55772f068e50), _961396)
   Exit: (229) [system] peek_char((0x55772f068e50), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_966116, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_967048, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x55772f068e50), n)
   Exit: (229) [system] get_char((0x55772f068e50), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _974398)
   Call: (230) [system] peek_char((0x55772f068e50), _975332)
   Exit: (230) [system] peek_char((0x55772f068e50), k)
^  Call: (230) [user] is_delimiter(k)
   Call: (231) [system] char_type(k, space)
   Fail: (231) [system] char_type(k, space)
   Call: (231) [system] arg(_980052, v('(', ')', end_of_file), k)
   Fail: (231) [system] arg(_980984, v('(', ')', end_of_file), k)
^  Fail: (230) [user] is_delimiter(k)
   Call: (230) [system] ')'==k
   Fail: (230) [system] ')'==k
   Call: (230) [system] get_char((0x55772f068e50), k)
   Exit: (230) [system] get_char((0x55772f068e50), k)
   Call: (230) [system] k=(\)
   Fail: (230) [system] k=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _988334)
   Call: (231) [system] peek_char((0x55772f068e50), _989268)
   Exit: (231) [system] peek_char((0x55772f068e50), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _988334=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (230) [system] _974398=[k]
   Exit: (230) [system] [k]=[k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (229) [system] _960462=[n, k]
   Exit: (229) [system] [n, k]=[n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (228) [system] _946526=[i, n, k]
   Exit: (228) [system] [i, n, k]=[i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (227) [system] _932590=['L', i, n, k]
   Exit: (227) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (226) [system] _918654=[r, 'L', i, n, k]
   Exit: (226) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (225) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _883144)
^  Call: (226) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1012522)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1013474, _1013476), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1012522), _1013456, fail)), '$restore_trace'(_1013474, _1013476))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1013474, _1013476))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1012522), _1013456, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1012522)
   Fail: (227) [system] atomic(_1012522)
   Call: (227) [system] atom_chars(_1012522, ['O', r, 'L', i, n, k])
   Exit: (227) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (226) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (226) [system] integer('OrLink')
   Fail: (226) [system] integer('OrLink')
   Call: (226) [system] _883144='OrLink'
   Exit: (226) [system] 'OrLink'='OrLink'
^  Exit: (225) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (224) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (223) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (223) [user] read_list(')', (0x55772f068e50), _1027472)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1029330)
   Exit: (225) [system] peek_char((0x55772f068e50), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x55772f068e50), _1038924)
   Exit: (225) [system] get_char((0x55772f068e50), ' ')
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1041628)
   Exit: (226) [system] peek_char((0x55772f068e50), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1058562)
   Exit: (224) [system] peek_char((0x55772f068e50), '(')
   Call: (224) [system] '('=')'
   Fail: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
   Fail: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x55772f068e50), _1064132)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1065990)
   Exit: (226) [system] peek_char((0x55772f068e50), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] get_char((0x55772f068e50), _1082000)
   Exit: (225) [system] get_char((0x55772f068e50), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x55772f068e50), _1064132)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1087570)
   Exit: (227) [system] peek_char((0x55772f068e50), 'I')
   Call: (227) [system] 'I'=(;)
   Fail: (227) [system] 'I'=(;)
   Call: (227) [system] 'I'=(/)
   Fail: (227) [system] 'I'=(/)
^  Call: (227) [user] is_like_space('I')
   Call: (228) [system] char_type('I', 'white')
   Fail: (228) [system] char_type('I', 'white')
   Call: (228) [system] char_type('I', end_of_line)
   Fail: (228) [system] char_type('I', end_of_line)
   Call: (228) [system] char_type('I', space)
   Fail: (228) [system] char_type('I', space)
   Call: (228) [system] char_type('I', cntrl)
   Fail: (228) [system] char_type('I', cntrl)
^  Fail: (227) [user] is_like_space('I')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1103580)
   Exit: (226) [system] peek_char((0x55772f068e50), 'I')
   Call: (226) [system] 'I'=')'
   Fail: (226) [system] 'I'=')'
   Call: (226) [system] 'I'=end_of_file
   Fail: (226) [system] 'I'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x55772f068e50), _1109150)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1111008)
   Exit: (228) [system] peek_char((0x55772f068e50), 'I')
   Call: (228) [system] 'I'=(;)
   Fail: (228) [system] 'I'=(;)
   Call: (228) [system] 'I'=(/)
   Fail: (228) [system] 'I'=(/)
^  Call: (228) [user] is_like_space('I')
   Call: (229) [system] char_type('I', 'white')
   Fail: (229) [system] char_type('I', 'white')
   Call: (229) [system] char_type('I', end_of_line)
   Fail: (229) [system] char_type('I', end_of_line)
   Call: (229) [system] char_type('I', space)
   Fail: (229) [system] char_type('I', space)
   Call: (229) [system] char_type('I', cntrl)
   Fail: (229) [system] char_type('I', cntrl)
^  Fail: (228) [user] is_like_space('I')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] get_char((0x55772f068e50), _1127018)
   Exit: (227) [system] get_char((0x55772f068e50), 'I')
   Call: (227) [system] 'I'='('
   Fail: (227) [system] 'I'='('
   Call: (227) [system] 'I'='['
   Fail: (227) [system] 'I'='['
   Call: (227) [system] 'I'='{'
   Fail: (227) [system] 'I'='{'
   Call: (227) [system] 'I'='"'
   Fail: (227) [system] 'I'='"'
   Call: (227) [system] 'I'=!
   Fail: (227) [system] 'I'=!
   Call: (227) [system] 'I'='\''
   Fail: (227) [system] 'I'='\''
   Call: (227) [system] 'I'='`'
   Fail: (227) [system] 'I'='`'
   Call: (227) [system] 'I'=end_of_file
   Fail: (227) [system] 'I'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x55772f068e50), 'I', _1109150)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1144660)
   Call: (229) [system] peek_char((0x55772f068e50), _1145594)
   Exit: (229) [system] peek_char((0x55772f068e50), m)
^  Call: (229) [user] is_delimiter(m)
   Call: (230) [system] char_type(m, space)
   Fail: (230) [system] char_type(m, space)
   Call: (230) [system] arg(_1150314, v('(', ')', end_of_file), m)
   Fail: (230) [system] arg(_1151246, v('(', ')', end_of_file), m)
^  Fail: (229) [user] is_delimiter(m)
   Call: (229) [system] ')'==m
   Fail: (229) [system] ')'==m
   Call: (229) [system] get_char((0x55772f068e50), m)
   Exit: (229) [system] get_char((0x55772f068e50), m)
   Call: (229) [system] m=(\)
   Fail: (229) [system] m=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1158596)
   Call: (230) [system] peek_char((0x55772f068e50), _1159530)
   Exit: (230) [system] peek_char((0x55772f068e50), p)
^  Call: (230) [user] is_delimiter(p)
   Call: (231) [system] char_type(p, space)
   Fail: (231) [system] char_type(p, space)
   Call: (231) [system] arg(_1164250, v('(', ')', end_of_file), p)
   Fail: (231) [system] arg(_1165182, v('(', ')', end_of_file), p)
^  Fail: (230) [user] is_delimiter(p)
   Call: (230) [system] ')'==p
   Fail: (230) [system] ')'==p
   Call: (230) [system] get_char((0x55772f068e50), p)
   Exit: (230) [system] get_char((0x55772f068e50), p)
   Call: (230) [system] p=(\)
   Fail: (230) [system] p=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1172532)
   Call: (231) [system] peek_char((0x55772f068e50), _1173466)
   Exit: (231) [system] peek_char((0x55772f068e50), l)
^  Call: (231) [user] is_delimiter(l)
   Call: (232) [system] char_type(l, space)
   Fail: (232) [system] char_type(l, space)
   Call: (232) [system] arg(_1178186, v('(', ')', end_of_file), l)
   Fail: (232) [system] arg(_1179118, v('(', ')', end_of_file), l)
^  Fail: (231) [user] is_delimiter(l)
   Call: (231) [system] ')'==l
   Fail: (231) [system] ')'==l
   Call: (231) [system] get_char((0x55772f068e50), l)
   Exit: (231) [system] get_char((0x55772f068e50), l)
   Call: (231) [system] l=(\)
   Fail: (231) [system] l=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1186468)
   Call: (232) [system] peek_char((0x55772f068e50), _1187402)
   Exit: (232) [system] peek_char((0x55772f068e50), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_1192122, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_1193054, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x55772f068e50), i)
   Exit: (232) [system] get_char((0x55772f068e50), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1200404)
   Call: (233) [system] peek_char((0x55772f068e50), _1201338)
   Exit: (233) [system] peek_char((0x55772f068e50), c)
^  Call: (233) [user] is_delimiter(c)
   Call: (234) [system] char_type(c, space)
   Fail: (234) [system] char_type(c, space)
   Call: (234) [system] arg(_1206058, v('(', ')', end_of_file), c)
   Fail: (234) [system] arg(_1206990, v('(', ')', end_of_file), c)
^  Fail: (233) [user] is_delimiter(c)
   Call: (233) [system] ')'==c
   Fail: (233) [system] ')'==c
   Call: (233) [system] get_char((0x55772f068e50), c)
   Exit: (233) [system] get_char((0x55772f068e50), c)
   Call: (233) [system] c=(\)
   Fail: (233) [system] c=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1214340)
   Call: (234) [system] peek_char((0x55772f068e50), _1215274)
   Exit: (234) [system] peek_char((0x55772f068e50), a)
^  Call: (234) [user] is_delimiter(a)
   Call: (235) [system] char_type(a, space)
   Fail: (235) [system] char_type(a, space)
   Call: (235) [system] arg(_1219994, v('(', ')', end_of_file), a)
   Fail: (235) [system] arg(_1220926, v('(', ')', end_of_file), a)
^  Fail: (234) [user] is_delimiter(a)
   Call: (234) [system] ')'==a
   Fail: (234) [system] ')'==a
   Call: (234) [system] get_char((0x55772f068e50), a)
   Exit: (234) [system] get_char((0x55772f068e50), a)
   Call: (234) [system] a=(\)
   Fail: (234) [system] a=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1228276)
   Call: (235) [system] peek_char((0x55772f068e50), _1229210)
   Exit: (235) [system] peek_char((0x55772f068e50), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Fail: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_1233930, v('(', ')', end_of_file), t)
   Fail: (236) [system] arg(_1234862, v('(', ')', end_of_file), t)
^  Fail: (235) [user] is_delimiter(t)
   Call: (235) [system] ')'==t
   Fail: (235) [system] ')'==t
   Call: (235) [system] get_char((0x55772f068e50), t)
   Exit: (235) [system] get_char((0x55772f068e50), t)
   Call: (235) [system] t=(\)
   Fail: (235) [system] t=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1242212)
   Call: (236) [system] peek_char((0x55772f068e50), _1243146)
   Exit: (236) [system] peek_char((0x55772f068e50), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Fail: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_1247866, v('(', ')', end_of_file), i)
   Fail: (237) [system] arg(_1248798, v('(', ')', end_of_file), i)
^  Fail: (236) [user] is_delimiter(i)
   Call: (236) [system] ')'==i
   Fail: (236) [system] ')'==i
   Call: (236) [system] get_char((0x55772f068e50), i)
   Exit: (236) [system] get_char((0x55772f068e50), i)
   Call: (236) [system] i=(\)
   Fail: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1256148)
   Call: (237) [system] peek_char((0x55772f068e50), _1257082)
   Exit: (237) [system] peek_char((0x55772f068e50), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Fail: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_1261802, v('(', ')', end_of_file), o)
   Fail: (238) [system] arg(_1262734, v('(', ')', end_of_file), o)
^  Fail: (237) [user] is_delimiter(o)
   Call: (237) [system] ')'==o
   Fail: (237) [system] ')'==o
   Call: (237) [system] get_char((0x55772f068e50), o)
   Exit: (237) [system] get_char((0x55772f068e50), o)
   Call: (237) [system] o=(\)
   Fail: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _1270084)
   Call: (238) [system] peek_char((0x55772f068e50), _1271018)
   Exit: (238) [system] peek_char((0x55772f068e50), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Fail: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_1275738, v('(', ')', end_of_file), n)
   Fail: (239) [system] arg(_1276670, v('(', ')', end_of_file), n)
^  Fail: (238) [user] is_delimiter(n)
   Call: (238) [system] ')'==n
   Fail: (238) [system] ')'==n
   Call: (238) [system] get_char((0x55772f068e50), n)
   Exit: (238) [system] get_char((0x55772f068e50), n)
   Call: (238) [system] n=(\)
   Fail: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _1284020)
   Call: (239) [system] peek_char((0x55772f068e50), _1284954)
   Exit: (239) [system] peek_char((0x55772f068e50), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _1284020=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (238) [system] _1270084=[n]
   Exit: (238) [system] [n]=[n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (237) [system] _1256148=[o, n]
   Exit: (237) [system] [o, n]=[o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (236) [system] _1242212=[i, o, n]
   Exit: (236) [system] [i, o, n]=[i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (235) [system] _1228276=[t, i, o, n]
   Exit: (235) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (234) [system] _1214340=[a, t, i, o, n]
   Exit: (234) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (233) [system] _1200404=[c, a, t, i, o, n]
   Exit: (233) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (232) [system] _1186468=[i, c, a, t, i, o, n]
   Exit: (232) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (231) [system] _1172532=[l, i, c, a, t, i, o, n]
   Exit: (231) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (230) [system] _1158596=[p, l, i, c, a, t, i, o, n]
   Exit: (230) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (229) [system] _1144660=[m, p, l, i, c, a, t, i, o, n]
   Exit: (229) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (228) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1109150)
^  Call: (229) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1322178)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1323130, _1323132), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1322178), _1323112, fail)), '$restore_trace'(_1323130, _1323132))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1323130, _1323132))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1322178), _1323112, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1322178)
   Fail: (230) [system] atomic(_1322178)
   Call: (230) [system] atom_chars(_1322178, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (230) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (229) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (229) [system] integer('Implication')
   Fail: (229) [system] integer('Implication')
   Call: (229) [system] _1109150='Implication'
   Exit: (229) [system] 'Implication'='Implication'
^  Exit: (228) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (227) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (226) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (226) [user] read_list(')', (0x55772f068e50), _1337128)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1338986)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x55772f068e50), _1348580)
   Exit: (228) [system] get_char((0x55772f068e50), ' ')
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1351284)
   Exit: (229) [system] peek_char((0x55772f068e50), '(')
   Call: (229) [system] '('=(;)
   Fail: (229) [system] '('=(;)
   Call: (229) [system] '('=(/)
   Fail: (229) [system] '('=(/)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Fail: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Fail: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Fail: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
   Fail: (230) [system] char_type('(', cntrl)
^  Fail: (229) [user] is_like_space('(')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1368218)
   Exit: (227) [system] peek_char((0x55772f068e50), '(')
   Call: (227) [system] '('=')'
   Fail: (227) [system] '('=')'
   Call: (227) [system] '('=end_of_file
   Fail: (227) [system] '('=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x55772f068e50), _1373788)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1375646)
   Exit: (229) [system] peek_char((0x55772f068e50), '(')
   Call: (229) [system] '('=(;)
   Fail: (229) [system] '('=(;)
   Call: (229) [system] '('=(/)
   Fail: (229) [system] '('=(/)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Fail: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Fail: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Fail: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
   Fail: (230) [system] char_type('(', cntrl)
^  Fail: (229) [user] is_like_space('(')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] get_char((0x55772f068e50), _1391656)
   Exit: (228) [system] get_char((0x55772f068e50), '(')
   Call: (228) [system] '('='('
   Exit: (228) [system] '('='('
^  Call: (228) [user] read_list(')', (0x55772f068e50), _1373788)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1397226)
   Exit: (230) [system] peek_char((0x55772f068e50), 'O')
   Call: (230) [system] 'O'=(;)
   Fail: (230) [system] 'O'=(;)
   Call: (230) [system] 'O'=(/)
   Fail: (230) [system] 'O'=(/)
^  Call: (230) [user] is_like_space('O')
   Call: (231) [system] char_type('O', 'white')
   Fail: (231) [system] char_type('O', 'white')
   Call: (231) [system] char_type('O', end_of_line)
   Fail: (231) [system] char_type('O', end_of_line)
   Call: (231) [system] char_type('O', space)
   Fail: (231) [system] char_type('O', space)
   Call: (231) [system] char_type('O', cntrl)
   Fail: (231) [system] char_type('O', cntrl)
^  Fail: (230) [user] is_like_space('O')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1413236)
   Exit: (229) [system] peek_char((0x55772f068e50), 'O')
   Call: (229) [system] 'O'=')'
   Fail: (229) [system] 'O'=')'
   Call: (229) [system] 'O'=end_of_file
   Fail: (229) [system] 'O'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x55772f068e50), _1418806)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1420664)
   Exit: (231) [system] peek_char((0x55772f068e50), 'O')
   Call: (231) [system] 'O'=(;)
   Fail: (231) [system] 'O'=(;)
   Call: (231) [system] 'O'=(/)
   Fail: (231) [system] 'O'=(/)
^  Call: (231) [user] is_like_space('O')
   Call: (232) [system] char_type('O', 'white')
   Fail: (232) [system] char_type('O', 'white')
   Call: (232) [system] char_type('O', end_of_line)
   Fail: (232) [system] char_type('O', end_of_line)
   Call: (232) [system] char_type('O', space)
   Fail: (232) [system] char_type('O', space)
   Call: (232) [system] char_type('O', cntrl)
   Fail: (232) [system] char_type('O', cntrl)
^  Fail: (231) [user] is_like_space('O')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] get_char((0x55772f068e50), _1436674)
   Exit: (230) [system] get_char((0x55772f068e50), 'O')
   Call: (230) [system] 'O'='('
   Fail: (230) [system] 'O'='('
   Call: (230) [system] 'O'='['
   Fail: (230) [system] 'O'='['
   Call: (230) [system] 'O'='{'
   Fail: (230) [system] 'O'='{'
   Call: (230) [system] 'O'='"'
   Fail: (230) [system] 'O'='"'
   Call: (230) [system] 'O'=!
   Fail: (230) [system] 'O'=!
   Call: (230) [system] 'O'='\''
   Fail: (230) [system] 'O'='\''
   Call: (230) [system] 'O'='`'
   Fail: (230) [system] 'O'='`'
   Call: (230) [system] 'O'=end_of_file
   Fail: (230) [system] 'O'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x55772f068e50), 'O', _1418806)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1454316)
   Call: (232) [system] peek_char((0x55772f068e50), _1455250)
   Exit: (232) [system] peek_char((0x55772f068e50), r)
^  Call: (232) [user] is_delimiter(r)
   Call: (233) [system] char_type(r, space)
   Fail: (233) [system] char_type(r, space)
   Call: (233) [system] arg(_1459970, v('(', ')', end_of_file), r)
   Fail: (233) [system] arg(_1460902, v('(', ')', end_of_file), r)
^  Fail: (232) [user] is_delimiter(r)
   Call: (232) [system] ')'==r
   Fail: (232) [system] ')'==r
   Call: (232) [system] get_char((0x55772f068e50), r)
   Exit: (232) [system] get_char((0x55772f068e50), r)
   Call: (232) [system] r=(\)
   Fail: (232) [system] r=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1468252)
   Call: (233) [system] peek_char((0x55772f068e50), _1469186)
   Exit: (233) [system] peek_char((0x55772f068e50), 'L')
^  Call: (233) [user] is_delimiter('L')
   Call: (234) [system] char_type('L', space)
   Fail: (234) [system] char_type('L', space)
   Call: (234) [system] arg(_1473906, v('(', ')', end_of_file), 'L')
   Fail: (234) [system] arg(_1474838, v('(', ')', end_of_file), 'L')
^  Fail: (233) [user] is_delimiter('L')
   Call: (233) [system] ')'=='L'
   Fail: (233) [system] ')'=='L'
   Call: (233) [system] get_char((0x55772f068e50), 'L')
   Exit: (233) [system] get_char((0x55772f068e50), 'L')
   Call: (233) [system] 'L'=(\)
   Fail: (233) [system] 'L'=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1482188)
   Call: (234) [system] peek_char((0x55772f068e50), _1483122)
   Exit: (234) [system] peek_char((0x55772f068e50), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_1487842, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_1488774, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x55772f068e50), i)
   Exit: (234) [system] get_char((0x55772f068e50), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1496124)
   Call: (235) [system] peek_char((0x55772f068e50), _1497058)
   Exit: (235) [system] peek_char((0x55772f068e50), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_1501778, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_1502710, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x55772f068e50), n)
   Exit: (235) [system] get_char((0x55772f068e50), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1510060)
   Call: (236) [system] peek_char((0x55772f068e50), _1510994)
   Exit: (236) [system] peek_char((0x55772f068e50), k)
^  Call: (236) [user] is_delimiter(k)
   Call: (237) [system] char_type(k, space)
   Fail: (237) [system] char_type(k, space)
   Call: (237) [system] arg(_1515714, v('(', ')', end_of_file), k)
   Fail: (237) [system] arg(_1516646, v('(', ')', end_of_file), k)
^  Fail: (236) [user] is_delimiter(k)
   Call: (236) [system] ')'==k
   Fail: (236) [system] ')'==k
   Call: (236) [system] get_char((0x55772f068e50), k)
   Exit: (236) [system] get_char((0x55772f068e50), k)
   Call: (236) [system] k=(\)
   Fail: (236) [system] k=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1523996)
   Call: (237) [system] peek_char((0x55772f068e50), _1524930)
   Exit: (237) [system] peek_char((0x55772f068e50), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _1523996=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (236) [system] _1510060=[k]
   Exit: (236) [system] [k]=[k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (235) [system] _1496124=[n, k]
   Exit: (235) [system] [n, k]=[n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (234) [system] _1482188=[i, n, k]
   Exit: (234) [system] [i, n, k]=[i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (233) [system] _1468252=['L', i, n, k]
   Exit: (233) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (232) [system] _1454316=[r, 'L', i, n, k]
   Exit: (232) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (231) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1418806)
^  Call: (232) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1548184)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1549136, _1549138), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1548184), _1549118, fail)), '$restore_trace'(_1549136, _1549138))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1549136, _1549138))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1548184), _1549118, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_1548184)
   Fail: (233) [system] atomic(_1548184)
   Call: (233) [system] atom_chars(_1548184, ['O', r, 'L', i, n, k])
   Exit: (233) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (232) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (232) [system] integer('OrLink')
   Fail: (232) [system] integer('OrLink')
   Call: (232) [system] _1418806='OrLink'
   Exit: (232) [system] 'OrLink'='OrLink'
^  Exit: (231) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (230) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (229) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (229) [user] read_list(')', (0x55772f068e50), _1563134)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1564992)
   Exit: (231) [system] peek_char((0x55772f068e50), ' ')
   Call: (231) [system] ' '=(;)
   Fail: (231) [system] ' '=(;)
   Call: (231) [system] ' '=(/)
   Fail: (231) [system] ' '=(/)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x55772f068e50), _1574586)
   Exit: (231) [system] get_char((0x55772f068e50), ' ')
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _1577290)
   Exit: (232) [system] peek_char((0x55772f068e50), 'C')
   Call: (232) [system] 'C'=(;)
   Fail: (232) [system] 'C'=(;)
   Call: (232) [system] 'C'=(/)
   Fail: (232) [system] 'C'=(/)
^  Call: (232) [user] is_like_space('C')
   Call: (233) [system] char_type('C', 'white')
   Fail: (233) [system] char_type('C', 'white')
   Call: (233) [system] char_type('C', end_of_line)
   Fail: (233) [system] char_type('C', end_of_line)
   Call: (233) [system] char_type('C', space)
   Fail: (233) [system] char_type('C', space)
   Call: (233) [system] char_type('C', cntrl)
   Fail: (233) [system] char_type('C', cntrl)
^  Fail: (232) [user] is_like_space('C')
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1594224)
   Exit: (230) [system] peek_char((0x55772f068e50), 'C')
   Call: (230) [system] 'C'=')'
   Fail: (230) [system] 'C'=')'
   Call: (230) [system] 'C'=end_of_file
   Fail: (230) [system] 'C'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x55772f068e50), _1599794)
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _1601652)
   Exit: (232) [system] peek_char((0x55772f068e50), 'C')
   Call: (232) [system] 'C'=(;)
   Fail: (232) [system] 'C'=(;)
   Call: (232) [system] 'C'=(/)
   Fail: (232) [system] 'C'=(/)
^  Call: (232) [user] is_like_space('C')
   Call: (233) [system] char_type('C', 'white')
   Fail: (233) [system] char_type('C', 'white')
   Call: (233) [system] char_type('C', end_of_line)
   Fail: (233) [system] char_type('C', end_of_line)
   Call: (233) [system] char_type('C', space)
   Fail: (233) [system] char_type('C', space)
   Call: (233) [system] char_type('C', cntrl)
   Fail: (233) [system] char_type('C', cntrl)
^  Fail: (232) [user] is_like_space('C')
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] get_char((0x55772f068e50), _1617662)
   Exit: (231) [system] get_char((0x55772f068e50), 'C')
   Call: (231) [system] 'C'='('
   Fail: (231) [system] 'C'='('
   Call: (231) [system] 'C'='['
   Fail: (231) [system] 'C'='['
   Call: (231) [system] 'C'='{'
   Fail: (231) [system] 'C'='{'
   Call: (231) [system] 'C'='"'
   Fail: (231) [system] 'C'='"'
   Call: (231) [system] 'C'=!
   Fail: (231) [system] 'C'=!
   Call: (231) [system] 'C'='\''
   Fail: (231) [system] 'C'='\''
   Call: (231) [system] 'C'='`'
   Fail: (231) [system] 'C'='`'
   Call: (231) [system] 'C'=end_of_file
   Fail: (231) [system] 'C'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x55772f068e50), 'C', _1599794)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1635304)
   Call: (233) [system] peek_char((0x55772f068e50), _1636238)
   Exit: (233) [system] peek_char((0x55772f068e50), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _1635304=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (232) [user] classify_and_convert_charseq(['C'], _1599794)
^  Call: (233) [user] classify_and_convert_charseq_(['C'], _1645522)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_1646474, _1646476), once(user:catch(read_from_chars(['C'], _1645522), _1646456, fail)), '$restore_trace'(_1646474, _1646476))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_1646474, _1646476))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1645522), _1646456, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_1645522)
   Fail: (234) [system] atomic(_1645522)
   Call: (234) [system] atom_chars(_1645522, ['C'])
   Exit: (234) [system] atom_chars('C', ['C'])
^  Exit: (233) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (233) [system] integer('C')
   Fail: (233) [system] integer('C')
   Call: (233) [system] _1599794='C'
   Exit: (233) [system] 'C'='C'
^  Exit: (232) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (231) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (230) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (230) [user] read_list(')', (0x55772f068e50), _1660472)
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _1662330)
   Exit: (232) [system] peek_char((0x55772f068e50), ' ')
   Call: (232) [system] ' '=(;)
   Fail: (232) [system] ' '=(;)
   Call: (232) [system] ' '=(/)
   Fail: (232) [system] ' '=(/)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x55772f068e50), _1671924)
   Exit: (232) [system] get_char((0x55772f068e50), ' ')
^  Call: (232) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _1674628)
   Exit: (233) [system] peek_char((0x55772f068e50), 'D')
   Call: (233) [system] 'D'=(;)
   Fail: (233) [system] 'D'=(;)
   Call: (233) [system] 'D'=(/)
   Fail: (233) [system] 'D'=(/)
^  Call: (233) [user] is_like_space('D')
   Call: (234) [system] char_type('D', 'white')
   Fail: (234) [system] char_type('D', 'white')
   Call: (234) [system] char_type('D', end_of_line)
   Fail: (234) [system] char_type('D', end_of_line)
   Call: (234) [system] char_type('D', space)
   Fail: (234) [system] char_type('D', space)
   Call: (234) [system] char_type('D', cntrl)
   Fail: (234) [system] char_type('D', cntrl)
^  Fail: (233) [user] is_like_space('D')
^  Exit: (232) [user] skip_spaces((0x55772f068e50))
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1691562)
   Exit: (231) [system] peek_char((0x55772f068e50), 'D')
   Call: (231) [system] 'D'=')'
   Fail: (231) [system] 'D'=')'
   Call: (231) [system] 'D'=end_of_file
   Fail: (231) [system] 'D'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x55772f068e50), _1697132)
^  Call: (232) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _1698990)
   Exit: (233) [system] peek_char((0x55772f068e50), 'D')
   Call: (233) [system] 'D'=(;)
   Fail: (233) [system] 'D'=(;)
   Call: (233) [system] 'D'=(/)
   Fail: (233) [system] 'D'=(/)
^  Call: (233) [user] is_like_space('D')
   Call: (234) [system] char_type('D', 'white')
   Fail: (234) [system] char_type('D', 'white')
   Call: (234) [system] char_type('D', end_of_line)
   Fail: (234) [system] char_type('D', end_of_line)
   Call: (234) [system] char_type('D', space)
   Fail: (234) [system] char_type('D', space)
   Call: (234) [system] char_type('D', cntrl)
   Fail: (234) [system] char_type('D', cntrl)
^  Fail: (233) [user] is_like_space('D')
^  Exit: (232) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] get_char((0x55772f068e50), _1715000)
   Exit: (232) [system] get_char((0x55772f068e50), 'D')
   Call: (232) [system] 'D'='('
   Fail: (232) [system] 'D'='('
   Call: (232) [system] 'D'='['
   Fail: (232) [system] 'D'='['
   Call: (232) [system] 'D'='{'
   Fail: (232) [system] 'D'='{'
   Call: (232) [system] 'D'='"'
   Fail: (232) [system] 'D'='"'
   Call: (232) [system] 'D'=!
   Fail: (232) [system] 'D'=!
   Call: (232) [system] 'D'='\''
   Fail: (232) [system] 'D'='\''
   Call: (232) [system] 'D'='`'
   Fail: (232) [system] 'D'='`'
   Call: (232) [system] 'D'=end_of_file
   Fail: (232) [system] 'D'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x55772f068e50), 'D', _1697132)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1732642)
   Call: (234) [system] peek_char((0x55772f068e50), _1733576)
   Exit: (234) [system] peek_char((0x55772f068e50), ')')
^  Call: (234) [user] is_delimiter(')')
   Call: (235) [system] char_type(')', space)
   Fail: (235) [system] char_type(')', space)
   Call: (235) [system] arg(_1738296, v('(', ')', end_of_file), ')')
   Exit: (235) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (234) [user] is_delimiter(')')
   Call: (234) [system] _1732642=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (233) [user] classify_and_convert_charseq(['D'], _1697132)
^  Call: (234) [user] classify_and_convert_charseq_(['D'], _1744732)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_1745684, _1745686), once(user:catch(read_from_chars(['D'], _1744732), _1745666, fail)), '$restore_trace'(_1745684, _1745686))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_1745684, _1745686))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1744732), _1745666, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_1744732)
   Fail: (235) [system] atomic(_1744732)
   Call: (235) [system] atom_chars(_1744732, ['D'])
   Exit: (235) [system] atom_chars('D', ['D'])
^  Exit: (234) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (234) [system] integer('D')
   Fail: (234) [system] integer('D')
   Call: (234) [system] _1697132='D'
   Exit: (234) [system] 'D'='D'
^  Exit: (233) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (232) [user] read_symbolic(')', (0x55772f068e50), 'D', 'D')
^  Exit: (231) [user] cont_sexpr(')', (0x55772f068e50), 'D')
^  Call: (231) [user] read_list(')', (0x55772f068e50), _1759682)
^  Call: (232) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _1761540)
   Exit: (233) [system] peek_char((0x55772f068e50), ')')
   Call: (233) [system] ')'=(;)
   Fail: (233) [system] ')'=(;)
   Call: (233) [system] ')'=(/)
   Fail: (233) [system] ')'=(/)
^  Call: (233) [user] is_like_space(')')
   Call: (234) [system] char_type(')', 'white')
   Fail: (234) [system] char_type(')', 'white')
   Call: (234) [system] char_type(')', end_of_line)
   Fail: (234) [system] char_type(')', end_of_line)
   Call: (234) [system] char_type(')', space)
   Fail: (234) [system] char_type(')', space)
   Call: (234) [system] char_type(')', cntrl)
   Fail: (234) [system] char_type(')', cntrl)
^  Fail: (233) [user] is_like_space(')')
^  Exit: (232) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _1777550)
   Exit: (232) [system] peek_char((0x55772f068e50), ')')
   Call: (232) [system] ')'=')'
   Exit: (232) [system] ')'=')'
   Call: (232) [system] get_char((0x55772f068e50), _1781340)
   Exit: (232) [system] get_char((0x55772f068e50), ')')
   Call: (232) [system] _1759682=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_list(')', (0x55772f068e50), [])
   Call: (231) [system] _1660472=['D']
   Exit: (231) [system] ['D']=['D']
^  Exit: (230) [user] read_list(')', (0x55772f068e50), ['D'])
   Call: (230) [system] _1563134=['C', 'D']
   Exit: (230) [system] ['C', 'D']=['C', 'D']
^  Exit: (229) [user] read_list(')', (0x55772f068e50), ['C', 'D'])
   Call: (229) [system] _1373788=['OrLink', 'C', 'D']
   Exit: (229) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (228) [user] read_list(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Exit: (227) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Call: (227) [user] read_list(')', (0x55772f068e50), _1795222)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1797080)
   Exit: (229) [system] peek_char((0x55772f068e50), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x55772f068e50), _1806674)
   Exit: (229) [system] get_char((0x55772f068e50), ' ')
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1809378)
   Exit: (230) [system] peek_char((0x55772f068e50), 'E')
   Call: (230) [system] 'E'=(;)
   Fail: (230) [system] 'E'=(;)
   Call: (230) [system] 'E'=(/)
   Fail: (230) [system] 'E'=(/)
^  Call: (230) [user] is_like_space('E')
   Call: (231) [system] char_type('E', 'white')
   Fail: (231) [system] char_type('E', 'white')
   Call: (231) [system] char_type('E', end_of_line)
   Fail: (231) [system] char_type('E', end_of_line)
   Call: (231) [system] char_type('E', space)
   Fail: (231) [system] char_type('E', space)
   Call: (231) [system] char_type('E', cntrl)
   Fail: (231) [system] char_type('E', cntrl)
^  Fail: (230) [user] is_like_space('E')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1826312)
   Exit: (228) [system] peek_char((0x55772f068e50), 'E')
   Call: (228) [system] 'E'=')'
   Fail: (228) [system] 'E'=')'
   Call: (228) [system] 'E'=end_of_file
   Fail: (228) [system] 'E'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x55772f068e50), _1831882)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1833740)
   Exit: (230) [system] peek_char((0x55772f068e50), 'E')
   Call: (230) [system] 'E'=(;)
   Fail: (230) [system] 'E'=(;)
   Call: (230) [system] 'E'=(/)
   Fail: (230) [system] 'E'=(/)
^  Call: (230) [user] is_like_space('E')
   Call: (231) [system] char_type('E', 'white')
   Fail: (231) [system] char_type('E', 'white')
   Call: (231) [system] char_type('E', end_of_line)
   Fail: (231) [system] char_type('E', end_of_line)
   Call: (231) [system] char_type('E', space)
   Fail: (231) [system] char_type('E', space)
   Call: (231) [system] char_type('E', cntrl)
   Fail: (231) [system] char_type('E', cntrl)
^  Fail: (230) [user] is_like_space('E')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] get_char((0x55772f068e50), _1849750)
   Exit: (229) [system] get_char((0x55772f068e50), 'E')
   Call: (229) [system] 'E'='('
   Fail: (229) [system] 'E'='('
   Call: (229) [system] 'E'='['
   Fail: (229) [system] 'E'='['
   Call: (229) [system] 'E'='{'
   Fail: (229) [system] 'E'='{'
   Call: (229) [system] 'E'='"'
   Fail: (229) [system] 'E'='"'
   Call: (229) [system] 'E'=!
   Fail: (229) [system] 'E'=!
   Call: (229) [system] 'E'='\''
   Fail: (229) [system] 'E'='\''
   Call: (229) [system] 'E'='`'
   Fail: (229) [system] 'E'='`'
   Call: (229) [system] 'E'=end_of_file
   Fail: (229) [system] 'E'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x55772f068e50), 'E', _1831882)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1867392)
   Call: (231) [system] peek_char((0x55772f068e50), _1868326)
   Exit: (231) [system] peek_char((0x55772f068e50), ')')
^  Call: (231) [user] is_delimiter(')')
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] arg(_1873046, v('(', ')', end_of_file), ')')
   Exit: (232) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (231) [user] is_delimiter(')')
   Call: (231) [system] _1867392=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (230) [user] classify_and_convert_charseq(['E'], _1831882)
^  Call: (231) [user] classify_and_convert_charseq_(['E'], _1879482)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1880434, _1880436), once(user:catch(read_from_chars(['E'], _1879482), _1880416, fail)), '$restore_trace'(_1880434, _1880436))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1880434, _1880436))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1879482), _1880416, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_1879482)
   Fail: (232) [system] atomic(_1879482)
   Call: (232) [system] atom_chars(_1879482, ['E'])
   Exit: (232) [system] atom_chars('E', ['E'])
^  Exit: (231) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (231) [system] integer('E')
   Fail: (231) [system] integer('E')
   Call: (231) [system] _1831882='E'
   Exit: (231) [system] 'E'='E'
^  Exit: (230) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (229) [user] read_symbolic(')', (0x55772f068e50), 'E', 'E')
^  Exit: (228) [user] cont_sexpr(')', (0x55772f068e50), 'E')
^  Call: (228) [user] read_list(')', (0x55772f068e50), _1894432)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1896290)
   Exit: (230) [system] peek_char((0x55772f068e50), ')')
   Call: (230) [system] ')'=(;)
   Fail: (230) [system] ')'=(;)
   Call: (230) [system] ')'=(/)
   Fail: (230) [system] ')'=(/)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Fail: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Fail: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
   Fail: (231) [system] char_type(')', cntrl)
^  Fail: (230) [user] is_like_space(')')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1912300)
   Exit: (229) [system] peek_char((0x55772f068e50), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x55772f068e50), _1916090)
   Exit: (229) [system] get_char((0x55772f068e50), ')')
   Call: (229) [system] _1894432=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x55772f068e50), [])
   Call: (228) [system] _1795222=['E']
   Exit: (228) [system] ['E']=['E']
^  Exit: (227) [user] read_list(')', (0x55772f068e50), ['E'])
   Call: (227) [system] _1337128=[['OrLink', 'C', 'D'], 'E']
   Exit: (227) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (226) [user] read_list(')', (0x55772f068e50), [['OrLink', 'C', 'D'], 'E'])
   Call: (226) [system] _1064132=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (226) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (225) [user] read_list(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (224) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (224) [user] read_list(')', (0x55772f068e50), _1929972)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1931830)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x55772f068e50), _1941424)
   Exit: (226) [system] get_char((0x55772f068e50), ' ')
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1944128)
   Exit: (227) [system] peek_char((0x55772f068e50), 'B')
   Call: (227) [system] 'B'=(;)
   Fail: (227) [system] 'B'=(;)
   Call: (227) [system] 'B'=(/)
   Fail: (227) [system] 'B'=(/)
^  Call: (227) [user] is_like_space('B')
   Call: (228) [system] char_type('B', 'white')
   Fail: (228) [system] char_type('B', 'white')
   Call: (228) [system] char_type('B', end_of_line)
   Fail: (228) [system] char_type('B', end_of_line)
   Call: (228) [system] char_type('B', space)
   Fail: (228) [system] char_type('B', space)
   Call: (228) [system] char_type('B', cntrl)
   Fail: (228) [system] char_type('B', cntrl)
^  Fail: (227) [user] is_like_space('B')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1961062)
   Exit: (225) [system] peek_char((0x55772f068e50), 'B')
   Call: (225) [system] 'B'=')'
   Fail: (225) [system] 'B'=')'
   Call: (225) [system] 'B'=end_of_file
   Fail: (225) [system] 'B'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x55772f068e50), _1966632)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1968490)
   Exit: (227) [system] peek_char((0x55772f068e50), 'B')
   Call: (227) [system] 'B'=(;)
   Fail: (227) [system] 'B'=(;)
   Call: (227) [system] 'B'=(/)
   Fail: (227) [system] 'B'=(/)
^  Call: (227) [user] is_like_space('B')
   Call: (228) [system] char_type('B', 'white')
   Fail: (228) [system] char_type('B', 'white')
   Call: (228) [system] char_type('B', end_of_line)
   Fail: (228) [system] char_type('B', end_of_line)
   Call: (228) [system] char_type('B', space)
   Fail: (228) [system] char_type('B', space)
   Call: (228) [system] char_type('B', cntrl)
   Fail: (228) [system] char_type('B', cntrl)
^  Fail: (227) [user] is_like_space('B')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] get_char((0x55772f068e50), _1984500)
   Exit: (226) [system] get_char((0x55772f068e50), 'B')
   Call: (226) [system] 'B'='('
   Fail: (226) [system] 'B'='('
   Call: (226) [system] 'B'='['
   Fail: (226) [system] 'B'='['
   Call: (226) [system] 'B'='{'
   Fail: (226) [system] 'B'='{'
   Call: (226) [system] 'B'='"'
   Fail: (226) [system] 'B'='"'
   Call: (226) [system] 'B'=!
   Fail: (226) [system] 'B'=!
   Call: (226) [system] 'B'='\''
   Fail: (226) [system] 'B'='\''
   Call: (226) [system] 'B'='`'
   Fail: (226) [system] 'B'='`'
   Call: (226) [system] 'B'=end_of_file
   Fail: (226) [system] 'B'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x55772f068e50), 'B', _1966632)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _2002142)
   Call: (228) [system] peek_char((0x55772f068e50), _2003076)
   Exit: (228) [system] peek_char((0x55772f068e50), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_2007796, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _2002142=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (227) [user] classify_and_convert_charseq(['B'], _1966632)
^  Call: (228) [user] classify_and_convert_charseq_(['B'], _2014232)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_2015184, _2015186), once(user:catch(read_from_chars(['B'], _2014232), _2015166, fail)), '$restore_trace'(_2015184, _2015186))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_2015184, _2015186))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _2014232), _2015166, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_2014232)
   Fail: (229) [system] atomic(_2014232)
   Call: (229) [system] atom_chars(_2014232, ['B'])
   Exit: (229) [system] atom_chars('B', ['B'])
^  Exit: (228) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (228) [system] integer('B')
   Fail: (228) [system] integer('B')
   Call: (228) [system] _1966632='B'
   Exit: (228) [system] 'B'='B'
^  Exit: (227) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (226) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (225) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (225) [user] read_list(')', (0x55772f068e50), _2029182)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _2031040)
   Exit: (227) [system] peek_char((0x55772f068e50), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
   Call: (227) [system] ')'=(/)
   Fail: (227) [system] ')'=(/)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _2047050)
   Exit: (226) [system] peek_char((0x55772f068e50), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x55772f068e50), _2050840)
   Exit: (226) [system] get_char((0x55772f068e50), ')')
   Call: (226) [system] _2029182=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x55772f068e50), [])
   Call: (225) [system] _1929972=['B']
   Exit: (225) [system] ['B']=['B']
^  Exit: (224) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (224) [system] _1027472=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
   Exit: (224) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
^  Exit: (223) [user] read_list(')', (0x55772f068e50), [['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
   Call: (223) [system] _838126=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
   Exit: (223) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
^  Exit: (222) [user] read_list(')', (0x55772f068e50), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
^  Call: (221) [user] read_list(')', (0x55772f068e50), _2064722)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _2066580)
   Exit: (223) [system] peek_char((0x55772f068e50), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
   Call: (223) [system] ')'=(/)
   Fail: (223) [system] ')'=(/)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _2082590)
   Exit: (222) [system] peek_char((0x55772f068e50), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x55772f068e50), _2086380)
   Exit: (222) [system] get_char((0x55772f068e50), ')')
   Call: (222) [system] _2064722=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x55772f068e50), [])
   Call: (221) [system] _801466=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (221) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (220) [user] read_list(')', (0x55772f068e50), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
   Call: (220) [system] _29242=[['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (220) [system] [['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (219) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
   Call: (219) [system] _5974=[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (219) [system] [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (218) [user] read_list(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
^  Call: (217) [user] read_list(')', (0x55772f068e50), _9536)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _11394)
   Exit: (219) [system] peek_char((0x55772f068e50), '\n')
   Call: (219) [system] '\n'=(;)
   Fail: (219) [system] '\n'=(;)
   Call: (219) [system] '\n'=(/)
   Fail: (219) [system] '\n'=(/)
^  Call: (219) [user] is_like_space('\n')
   Call: (220) [system] char_type('\n', 'white')
   Fail: (220) [system] char_type('\n', 'white')
   Call: (220) [system] char_type('\n', end_of_line)
   Exit: (220) [system] char_type('\n', end_of_line)
^  Exit: (219) [user] is_like_space('\n')
   Call: (219) [system] get_char((0x55772f068e50), _22844)
   Exit: (219) [system] get_char((0x55772f068e50), '\n')
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _25548)
   Exit: (220) [system] peek_char((0x55772f068e50), '\t')
   Call: (220) [system] '\t'=(;)
   Fail: (220) [system] '\t'=(;)
   Call: (220) [system] '\t'=(/)
   Fail: (220) [system] '\t'=(/)
^  Call: (220) [user] is_like_space('\t')
   Call: (221) [system] char_type('\t', 'white')
   Exit: (221) [system] char_type('\t', 'white')
^  Exit: (220) [user] is_like_space('\t')
   Call: (220) [system] get_char((0x55772f068e50), _35142)
   Exit: (220) [system] get_char((0x55772f068e50), '\t')
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _37846)
   Exit: (221) [system] peek_char((0x55772f068e50), '\t')
   Call: (221) [system] '\t'=(;)
   Fail: (221) [system] '\t'=(;)
   Call: (221) [system] '\t'=(/)
   Fail: (221) [system] '\t'=(/)
^  Call: (221) [user] is_like_space('\t')
   Call: (222) [system] char_type('\t', 'white')
   Exit: (222) [system] char_type('\t', 'white')
^  Exit: (221) [user] is_like_space('\t')
   Call: (221) [system] get_char((0x55772f068e50), _47440)
   Exit: (221) [system] get_char((0x55772f068e50), '\t')
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _50144)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x55772f068e50), _59738)
   Exit: (222) [system] get_char((0x55772f068e50), ' ')
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _62442)
   Exit: (223) [system] peek_char((0x55772f068e50), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _82148)
   Exit: (218) [system] peek_char((0x55772f068e50), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _87718)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _89576)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _105586)
   Exit: (219) [system] get_char((0x55772f068e50), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x55772f068e50), _87718)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _111156)
   Exit: (221) [system] peek_char((0x55772f068e50), :)
   Call: (221) [system] (:)=(;)
   Fail: (221) [system] (:)=(;)
   Call: (221) [system] (:)=(/)
   Fail: (221) [system] (:)=(/)
^  Call: (221) [user] is_like_space(:)
   Call: (222) [system] char_type(:, 'white')
   Fail: (222) [system] char_type(:, 'white')
   Call: (222) [system] char_type(:, end_of_line)
   Fail: (222) [system] char_type(:, end_of_line)
   Call: (222) [system] char_type(:, space)
   Fail: (222) [system] char_type(:, space)
   Call: (222) [system] char_type(:, cntrl)
   Fail: (222) [system] char_type(:, cntrl)
^  Fail: (221) [user] is_like_space(:)
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _127166)
   Exit: (220) [system] peek_char((0x55772f068e50), :)
   Call: (220) [system] (:)=')'
   Fail: (220) [system] (:)=')'
   Call: (220) [system] (:)=end_of_file
   Fail: (220) [system] (:)=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _132736)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _134594)
   Exit: (222) [system] peek_char((0x55772f068e50), :)
   Call: (222) [system] (:)=(;)
   Fail: (222) [system] (:)=(;)
   Call: (222) [system] (:)=(/)
   Fail: (222) [system] (:)=(/)
^  Call: (222) [user] is_like_space(:)
   Call: (223) [system] char_type(:, 'white')
   Fail: (223) [system] char_type(:, 'white')
   Call: (223) [system] char_type(:, end_of_line)
   Fail: (223) [system] char_type(:, end_of_line)
   Call: (223) [system] char_type(:, space)
   Fail: (223) [system] char_type(:, space)
   Call: (223) [system] char_type(:, cntrl)
   Fail: (223) [system] char_type(:, cntrl)
^  Fail: (222) [user] is_like_space(:)
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _150604)
   Exit: (221) [system] get_char((0x55772f068e50), :)
   Call: (221) [system] (:)='('
   Fail: (221) [system] (:)='('
   Call: (221) [system] (:)='['
   Fail: (221) [system] (:)='['
   Call: (221) [system] (:)='{'
   Fail: (221) [system] (:)='{'
   Call: (221) [system] (:)='"'
   Fail: (221) [system] (:)='"'
   Call: (221) [system] (:)=!
   Fail: (221) [system] (:)=!
   Call: (221) [system] (:)='\''
   Fail: (221) [system] (:)='\''
   Call: (221) [system] (:)='`'
   Fail: (221) [system] (:)='`'
   Call: (221) [system] (:)=end_of_file
   Fail: (221) [system] (:)=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x55772f068e50), :, _132736)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _168246)
   Call: (223) [system] peek_char((0x55772f068e50), _169180)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _168246=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (222) [user] classify_and_convert_charseq([:], _132736)
^  Call: (223) [user] classify_and_convert_charseq_([:], _178464)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_179416, _179418), once(user:catch(read_from_chars([:], _178464), _179398, fail)), '$restore_trace'(_179416, _179418))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_179416, _179418))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _179398, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(:)
   Exit: (224) [system] atomic(:)
^  Exit: (223) [user] classify_and_convert_charseq_([:], :)
   Call: (223) [system] integer(:)
   Fail: (223) [system] integer(:)
   Call: (223) [system] _132736=(:)
   Exit: (223) [system] (:)=(:)
^  Exit: (222) [user] classify_and_convert_charseq([:], :)
^  Exit: (221) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (220) [user] read_list(')', (0x55772f068e50), _191544)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _193402)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x55772f068e50), _202996)
   Exit: (222) [system] get_char((0x55772f068e50), ' ')
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _205700)
   Exit: (223) [system] peek_char((0x55772f068e50), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _222634)
   Exit: (221) [system] peek_char((0x55772f068e50), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _228204)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _230062)
   Exit: (223) [system] peek_char((0x55772f068e50), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _246072)
   Exit: (222) [system] get_char((0x55772f068e50), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x55772f068e50), _228204)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _251642)
   Exit: (224) [system] peek_char((0x55772f068e50), 'D')
   Call: (224) [system] 'D'=(;)
   Fail: (224) [system] 'D'=(;)
   Call: (224) [system] 'D'=(/)
   Fail: (224) [system] 'D'=(/)
^  Call: (224) [user] is_like_space('D')
   Call: (225) [system] char_type('D', 'white')
   Fail: (225) [system] char_type('D', 'white')
   Call: (225) [system] char_type('D', end_of_line)
   Fail: (225) [system] char_type('D', end_of_line)
   Call: (225) [system] char_type('D', space)
   Fail: (225) [system] char_type('D', space)
   Call: (225) [system] char_type('D', cntrl)
   Fail: (225) [system] char_type('D', cntrl)
^  Fail: (224) [user] is_like_space('D')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _267652)
   Exit: (223) [system] peek_char((0x55772f068e50), 'D')
   Call: (223) [system] 'D'=')'
   Fail: (223) [system] 'D'=')'
   Call: (223) [system] 'D'=end_of_file
   Fail: (223) [system] 'D'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x55772f068e50), _273222)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _275080)
   Exit: (225) [system] peek_char((0x55772f068e50), 'D')
   Call: (225) [system] 'D'=(;)
   Fail: (225) [system] 'D'=(;)
   Call: (225) [system] 'D'=(/)
   Fail: (225) [system] 'D'=(/)
^  Call: (225) [user] is_like_space('D')
   Call: (226) [system] char_type('D', 'white')
   Fail: (226) [system] char_type('D', 'white')
   Call: (226) [system] char_type('D', end_of_line)
   Fail: (226) [system] char_type('D', end_of_line)
   Call: (226) [system] char_type('D', space)
   Fail: (226) [system] char_type('D', space)
   Call: (226) [system] char_type('D', cntrl)
   Fail: (226) [system] char_type('D', cntrl)
^  Fail: (225) [user] is_like_space('D')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] get_char((0x55772f068e50), _291090)
   Exit: (224) [system] get_char((0x55772f068e50), 'D')
   Call: (224) [system] 'D'='('
   Fail: (224) [system] 'D'='('
   Call: (224) [system] 'D'='['
   Fail: (224) [system] 'D'='['
   Call: (224) [system] 'D'='{'
   Fail: (224) [system] 'D'='{'
   Call: (224) [system] 'D'='"'
   Fail: (224) [system] 'D'='"'
   Call: (224) [system] 'D'=!
   Fail: (224) [system] 'D'=!
   Call: (224) [system] 'D'='\''
   Fail: (224) [system] 'D'='\''
   Call: (224) [system] 'D'='`'
   Fail: (224) [system] 'D'='`'
   Call: (224) [system] 'D'=end_of_file
   Fail: (224) [system] 'D'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x55772f068e50), 'D', _273222)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _308732)
   Call: (226) [system] peek_char((0x55772f068e50), _309666)
   Exit: (226) [system] peek_char((0x55772f068e50), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_314386, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_315318, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x55772f068e50), i)
   Exit: (226) [system] get_char((0x55772f068e50), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _322668)
   Call: (227) [system] peek_char((0x55772f068e50), _323602)
   Exit: (227) [system] peek_char((0x55772f068e50), s)
^  Call: (227) [user] is_delimiter(s)
   Call: (228) [system] char_type(s, space)
   Fail: (228) [system] char_type(s, space)
   Call: (228) [system] arg(_328322, v('(', ')', end_of_file), s)
   Fail: (228) [system] arg(_329254, v('(', ')', end_of_file), s)
^  Fail: (227) [user] is_delimiter(s)
   Call: (227) [system] ')'==s
   Fail: (227) [system] ')'==s
   Call: (227) [system] get_char((0x55772f068e50), s)
   Exit: (227) [system] get_char((0x55772f068e50), s)
   Call: (227) [system] s=(\)
   Fail: (227) [system] s=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _336604)
   Call: (228) [system] peek_char((0x55772f068e50), _337538)
   Exit: (228) [system] peek_char((0x55772f068e50), j)
^  Call: (228) [user] is_delimiter(j)
   Call: (229) [system] char_type(j, space)
   Fail: (229) [system] char_type(j, space)
   Call: (229) [system] arg(_342258, v('(', ')', end_of_file), j)
   Fail: (229) [system] arg(_343190, v('(', ')', end_of_file), j)
^  Fail: (228) [user] is_delimiter(j)
   Call: (228) [system] ')'==j
   Fail: (228) [system] ')'==j
   Call: (228) [system] get_char((0x55772f068e50), j)
   Exit: (228) [system] get_char((0x55772f068e50), j)
   Call: (228) [system] j=(\)
   Fail: (228) [system] j=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _350540)
   Call: (229) [system] peek_char((0x55772f068e50), _351474)
   Exit: (229) [system] peek_char((0x55772f068e50), u)
^  Call: (229) [user] is_delimiter(u)
   Call: (230) [system] char_type(u, space)
   Fail: (230) [system] char_type(u, space)
   Call: (230) [system] arg(_356194, v('(', ')', end_of_file), u)
   Fail: (230) [system] arg(_357126, v('(', ')', end_of_file), u)
^  Fail: (229) [user] is_delimiter(u)
   Call: (229) [system] ')'==u
   Fail: (229) [system] ')'==u
   Call: (229) [system] get_char((0x55772f068e50), u)
   Exit: (229) [system] get_char((0x55772f068e50), u)
   Call: (229) [system] u=(\)
   Fail: (229) [system] u=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _364476)
   Call: (230) [system] peek_char((0x55772f068e50), _365410)
   Exit: (230) [system] peek_char((0x55772f068e50), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_370130, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_371062, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x55772f068e50), n)
   Exit: (230) [system] get_char((0x55772f068e50), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _378412)
   Call: (231) [system] peek_char((0x55772f068e50), _379346)
   Exit: (231) [system] peek_char((0x55772f068e50), c)
^  Call: (231) [user] is_delimiter(c)
   Call: (232) [system] char_type(c, space)
   Fail: (232) [system] char_type(c, space)
   Call: (232) [system] arg(_384066, v('(', ')', end_of_file), c)
   Fail: (232) [system] arg(_384998, v('(', ')', end_of_file), c)
^  Fail: (231) [user] is_delimiter(c)
   Call: (231) [system] ')'==c
   Fail: (231) [system] ')'==c
   Call: (231) [system] get_char((0x55772f068e50), c)
   Exit: (231) [system] get_char((0x55772f068e50), c)
   Call: (231) [system] c=(\)
   Fail: (231) [system] c=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _392348)
   Call: (232) [system] peek_char((0x55772f068e50), _393282)
   Exit: (232) [system] peek_char((0x55772f068e50), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_398002, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_398934, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x55772f068e50), t)
   Exit: (232) [system] get_char((0x55772f068e50), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _406284)
   Call: (233) [system] peek_char((0x55772f068e50), _407218)
   Exit: (233) [system] peek_char((0x55772f068e50), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_411938, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_412870, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x55772f068e50), i)
   Exit: (233) [system] get_char((0x55772f068e50), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _420220)
   Call: (234) [system] peek_char((0x55772f068e50), _421154)
   Exit: (234) [system] peek_char((0x55772f068e50), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_425874, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_426806, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x55772f068e50), o)
   Exit: (234) [system] get_char((0x55772f068e50), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _434156)
   Call: (235) [system] peek_char((0x55772f068e50), _435090)
   Exit: (235) [system] peek_char((0x55772f068e50), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_439810, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_440742, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x55772f068e50), n)
   Exit: (235) [system] get_char((0x55772f068e50), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _448092)
   Call: (236) [system] peek_char((0x55772f068e50), _449026)
   Exit: (236) [system] peek_char((0x55772f068e50), 'I')
^  Call: (236) [user] is_delimiter('I')
   Call: (237) [system] char_type('I', space)
   Fail: (237) [system] char_type('I', space)
   Call: (237) [system] arg(_453746, v('(', ')', end_of_file), 'I')
   Fail: (237) [system] arg(_454678, v('(', ')', end_of_file), 'I')
^  Fail: (236) [user] is_delimiter('I')
   Call: (236) [system] ')'=='I'
   Fail: (236) [system] ')'=='I'
   Call: (236) [system] get_char((0x55772f068e50), 'I')
   Exit: (236) [system] get_char((0x55772f068e50), 'I')
   Call: (236) [system] 'I'=(\)
   Fail: (236) [system] 'I'=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _462028)
   Call: (237) [system] peek_char((0x55772f068e50), _462962)
   Exit: (237) [system] peek_char((0x55772f068e50), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_467682, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_468614, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x55772f068e50), n)
   Exit: (237) [system] get_char((0x55772f068e50), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _475964)
   Call: (238) [system] peek_char((0x55772f068e50), _476898)
   Exit: (238) [system] peek_char((0x55772f068e50), t)
^  Call: (238) [user] is_delimiter(t)
   Call: (239) [system] char_type(t, space)
   Fail: (239) [system] char_type(t, space)
   Call: (239) [system] arg(_481618, v('(', ')', end_of_file), t)
   Fail: (239) [system] arg(_482550, v('(', ')', end_of_file), t)
^  Fail: (238) [user] is_delimiter(t)
   Call: (238) [system] ')'==t
   Fail: (238) [system] ')'==t
   Call: (238) [system] get_char((0x55772f068e50), t)
   Exit: (238) [system] get_char((0x55772f068e50), t)
   Call: (238) [system] t=(\)
   Fail: (238) [system] t=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _489900)
   Call: (239) [system] peek_char((0x55772f068e50), _490834)
   Exit: (239) [system] peek_char((0x55772f068e50), r)
^  Call: (239) [user] is_delimiter(r)
   Call: (240) [system] char_type(r, space)
   Fail: (240) [system] char_type(r, space)
   Call: (240) [system] arg(_495554, v('(', ')', end_of_file), r)
   Fail: (240) [system] arg(_496486, v('(', ')', end_of_file), r)
^  Fail: (239) [user] is_delimiter(r)
   Call: (239) [system] ')'==r
   Fail: (239) [system] ')'==r
   Call: (239) [system] get_char((0x55772f068e50), r)
   Exit: (239) [system] get_char((0x55772f068e50), r)
   Call: (239) [system] r=(\)
   Fail: (239) [system] r=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _503836)
   Call: (240) [system] peek_char((0x55772f068e50), _504770)
   Exit: (240) [system] peek_char((0x55772f068e50), o)
^  Call: (240) [user] is_delimiter(o)
   Call: (241) [system] char_type(o, space)
   Fail: (241) [system] char_type(o, space)
   Call: (241) [system] arg(_509490, v('(', ')', end_of_file), o)
   Fail: (241) [system] arg(_510422, v('(', ')', end_of_file), o)
^  Fail: (240) [user] is_delimiter(o)
   Call: (240) [system] ')'==o
   Fail: (240) [system] ')'==o
   Call: (240) [system] get_char((0x55772f068e50), o)
   Exit: (240) [system] get_char((0x55772f068e50), o)
   Call: (240) [system] o=(\)
   Fail: (240) [system] o=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _517772)
   Call: (241) [system] peek_char((0x55772f068e50), _518706)
   Exit: (241) [system] peek_char((0x55772f068e50), d)
^  Call: (241) [user] is_delimiter(d)
   Call: (242) [system] char_type(d, space)
   Fail: (242) [system] char_type(d, space)
   Call: (242) [system] arg(_523426, v('(', ')', end_of_file), d)
   Fail: (242) [system] arg(_524358, v('(', ')', end_of_file), d)
^  Fail: (241) [user] is_delimiter(d)
   Call: (241) [system] ')'==d
   Fail: (241) [system] ')'==d
   Call: (241) [system] get_char((0x55772f068e50), d)
   Exit: (241) [system] get_char((0x55772f068e50), d)
   Call: (241) [system] d=(\)
   Fail: (241) [system] d=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x55772f068e50), _531708)
   Call: (242) [system] peek_char((0x55772f068e50), _532642)
   Exit: (242) [system] peek_char((0x55772f068e50), u)
^  Call: (242) [user] is_delimiter(u)
   Call: (243) [system] char_type(u, space)
   Fail: (243) [system] char_type(u, space)
   Call: (243) [system] arg(_537362, v('(', ')', end_of_file), u)
   Fail: (243) [system] arg(_538294, v('(', ')', end_of_file), u)
^  Fail: (242) [user] is_delimiter(u)
   Call: (242) [system] ')'==u
   Fail: (242) [system] ')'==u
   Call: (242) [system] get_char((0x55772f068e50), u)
   Exit: (242) [system] get_char((0x55772f068e50), u)
   Call: (242) [system] u=(\)
   Fail: (242) [system] u=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x55772f068e50), _545644)
   Call: (243) [system] peek_char((0x55772f068e50), _546578)
   Exit: (243) [system] peek_char((0x55772f068e50), c)
^  Call: (243) [user] is_delimiter(c)
   Call: (244) [system] char_type(c, space)
   Fail: (244) [system] char_type(c, space)
   Call: (244) [system] arg(_551298, v('(', ')', end_of_file), c)
   Fail: (244) [system] arg(_552230, v('(', ')', end_of_file), c)
^  Fail: (243) [user] is_delimiter(c)
   Call: (243) [system] ')'==c
   Fail: (243) [system] ')'==c
   Call: (243) [system] get_char((0x55772f068e50), c)
   Exit: (243) [system] get_char((0x55772f068e50), c)
   Call: (243) [system] c=(\)
   Fail: (243) [system] c=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x55772f068e50), _559580)
   Call: (244) [system] peek_char((0x55772f068e50), _560514)
   Exit: (244) [system] peek_char((0x55772f068e50), t)
^  Call: (244) [user] is_delimiter(t)
   Call: (245) [system] char_type(t, space)
   Fail: (245) [system] char_type(t, space)
   Call: (245) [system] arg(_565234, v('(', ')', end_of_file), t)
   Fail: (245) [system] arg(_566166, v('(', ')', end_of_file), t)
^  Fail: (244) [user] is_delimiter(t)
   Call: (244) [system] ')'==t
   Fail: (244) [system] ')'==t
   Call: (244) [system] get_char((0x55772f068e50), t)
   Exit: (244) [system] get_char((0x55772f068e50), t)
   Call: (244) [system] t=(\)
   Fail: (244) [system] t=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x55772f068e50), _573516)
   Call: (245) [system] peek_char((0x55772f068e50), _574450)
   Exit: (245) [system] peek_char((0x55772f068e50), i)
^  Call: (245) [user] is_delimiter(i)
   Call: (246) [system] char_type(i, space)
   Fail: (246) [system] char_type(i, space)
   Call: (246) [system] arg(_579170, v('(', ')', end_of_file), i)
   Fail: (246) [system] arg(_580102, v('(', ')', end_of_file), i)
^  Fail: (245) [user] is_delimiter(i)
   Call: (245) [system] ')'==i
   Fail: (245) [system] ')'==i
   Call: (245) [system] get_char((0x55772f068e50), i)
   Exit: (245) [system] get_char((0x55772f068e50), i)
   Call: (245) [system] i=(\)
   Fail: (245) [system] i=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x55772f068e50), _587452)
   Call: (246) [system] peek_char((0x55772f068e50), _588386)
   Exit: (246) [system] peek_char((0x55772f068e50), o)
^  Call: (246) [user] is_delimiter(o)
   Call: (247) [system] char_type(o, space)
   Fail: (247) [system] char_type(o, space)
   Call: (247) [system] arg(_593106, v('(', ')', end_of_file), o)
   Fail: (247) [system] arg(_594038, v('(', ')', end_of_file), o)
^  Fail: (246) [user] is_delimiter(o)
   Call: (246) [system] ')'==o
   Fail: (246) [system] ')'==o
   Call: (246) [system] get_char((0x55772f068e50), o)
   Exit: (246) [system] get_char((0x55772f068e50), o)
   Call: (246) [system] o=(\)
   Fail: (246) [system] o=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x55772f068e50), _601388)
   Call: (247) [system] peek_char((0x55772f068e50), _602322)
   Exit: (247) [system] peek_char((0x55772f068e50), n)
^  Call: (247) [user] is_delimiter(n)
   Call: (248) [system] char_type(n, space)
   Fail: (248) [system] char_type(n, space)
   Call: (248) [system] arg(_607042, v('(', ')', end_of_file), n)
   Fail: (248) [system] arg(_607974, v('(', ')', end_of_file), n)
^  Fail: (247) [user] is_delimiter(n)
   Call: (247) [system] ')'==n
   Fail: (247) [system] ')'==n
   Call: (247) [system] get_char((0x55772f068e50), n)
   Exit: (247) [system] get_char((0x55772f068e50), n)
   Call: (247) [system] n=(\)
   Fail: (247) [system] n=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x55772f068e50), _615324)
   Call: (248) [system] peek_char((0x55772f068e50), _616258)
   Exit: (248) [system] peek_char((0x55772f068e50), ' ')
^  Call: (248) [user] is_delimiter(' ')
   Call: (249) [system] char_type(' ', space)
   Exit: (249) [system] char_type(' ', space)
^  Exit: (248) [user] is_delimiter(' ')
   Call: (248) [system] _615324=[]
   Exit: (248) [system] []=[]
^  Exit: (247) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (247) [system] _601388=[n]
   Exit: (247) [system] [n]=[n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (246) [system] _587452=[o, n]
   Exit: (246) [system] [o, n]=[o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (245) [system] _573516=[i, o, n]
   Exit: (245) [system] [i, o, n]=[i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (244) [system] _559580=[t, i, o, n]
   Exit: (244) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (243) [system] _545644=[c, t, i, o, n]
   Exit: (243) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (242) [system] _531708=[u, c, t, i, o, n]
   Exit: (242) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (241) [system] _517772=[d, u, c, t, i, o, n]
   Exit: (241) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (240) [system] _503836=[o, d, u, c, t, i, o, n]
   Exit: (240) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (239) [system] _489900=[r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _475964=[t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _462028=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _448092=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _434156=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _420220=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _406284=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _392348=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _378412=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _364476=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _350540=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _336604=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _322668=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _308732=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (225) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _273222)
^  Call: (226) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _687010)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_687962, _687964), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _687010), _687944, fail)), '$restore_trace'(_687962, _687964))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_687962, _687964))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _687010), _687944, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_687010)
   Fail: (227) [system] atomic(_687010)
   Call: (227) [system] atom_chars(_687010, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (227) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (226) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (226) [system] integer('DisjunctionIntroduction')
   Fail: (226) [system] integer('DisjunctionIntroduction')
   Call: (226) [system] _273222='DisjunctionIntroduction'
   Exit: (226) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (225) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (224) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (223) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (223) [user] read_list(')', (0x55772f068e50), _701960)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _703818)
   Exit: (225) [system] peek_char((0x55772f068e50), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x55772f068e50), _713412)
   Exit: (225) [system] get_char((0x55772f068e50), ' ')
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _716116)
   Exit: (226) [system] peek_char((0x55772f068e50), a)
   Call: (226) [system] a=(;)
   Fail: (226) [system] a=(;)
   Call: (226) [system] a=(/)
   Fail: (226) [system] a=(/)
^  Call: (226) [user] is_like_space(a)
   Call: (227) [system] char_type(a, 'white')
   Fail: (227) [system] char_type(a, 'white')
   Call: (227) [system] char_type(a, end_of_line)
   Fail: (227) [system] char_type(a, end_of_line)
   Call: (227) [system] char_type(a, space)
   Fail: (227) [system] char_type(a, space)
   Call: (227) [system] char_type(a, cntrl)
   Fail: (227) [system] char_type(a, cntrl)
^  Fail: (226) [user] is_like_space(a)
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _733050)
   Exit: (224) [system] peek_char((0x55772f068e50), a)
   Call: (224) [system] a=')'
   Fail: (224) [system] a=')'
   Call: (224) [system] a=end_of_file
   Fail: (224) [system] a=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x55772f068e50), _738620)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _740478)
   Exit: (226) [system] peek_char((0x55772f068e50), a)
   Call: (226) [system] a=(;)
   Fail: (226) [system] a=(;)
   Call: (226) [system] a=(/)
   Fail: (226) [system] a=(/)
^  Call: (226) [user] is_like_space(a)
   Call: (227) [system] char_type(a, 'white')
   Fail: (227) [system] char_type(a, 'white')
   Call: (227) [system] char_type(a, end_of_line)
   Fail: (227) [system] char_type(a, end_of_line)
   Call: (227) [system] char_type(a, space)
   Fail: (227) [system] char_type(a, space)
   Call: (227) [system] char_type(a, cntrl)
   Fail: (227) [system] char_type(a, cntrl)
^  Fail: (226) [user] is_like_space(a)
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] get_char((0x55772f068e50), _756488)
   Exit: (225) [system] get_char((0x55772f068e50), a)
   Call: (225) [system] a='('
   Fail: (225) [system] a='('
   Call: (225) [system] a='['
   Fail: (225) [system] a='['
   Call: (225) [system] a='{'
   Fail: (225) [system] a='{'
   Call: (225) [system] a='"'
   Fail: (225) [system] a='"'
   Call: (225) [system] a=!
   Fail: (225) [system] a=!
   Call: (225) [system] a='\''
   Fail: (225) [system] a='\''
   Call: (225) [system] a='`'
   Fail: (225) [system] a='`'
   Call: (225) [system] a=end_of_file
   Fail: (225) [system] a=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x55772f068e50), a, _738620)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _774130)
   Call: (227) [system] peek_char((0x55772f068e50), _775064)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _774130=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (226) [user] classify_and_convert_charseq([a], _738620)
^  Call: (227) [user] classify_and_convert_charseq_([a], _784348)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_785300, _785302), once(user:catch(read_from_chars([a], _784348), _785282, fail)), '$restore_trace'(_785300, _785302))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_785300, _785302))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _785282, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(a)
   Exit: (228) [system] atomic(a)
^  Exit: (227) [user] classify_and_convert_charseq_([a], a)
   Call: (227) [system] integer(a)
   Fail: (227) [system] integer(a)
   Call: (227) [system] _738620=a
   Exit: (227) [system] a=a
^  Exit: (226) [user] classify_and_convert_charseq([a], a)
^  Exit: (225) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (224) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (224) [user] read_list(')', (0x55772f068e50), _797428)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _799286)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x55772f068e50), _808880)
   Exit: (226) [system] get_char((0x55772f068e50), ' ')
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _811584)
   Exit: (227) [system] peek_char((0x55772f068e50), a)
   Call: (227) [system] a=(;)
   Fail: (227) [system] a=(;)
   Call: (227) [system] a=(/)
   Fail: (227) [system] a=(/)
^  Call: (227) [user] is_like_space(a)
   Call: (228) [system] char_type(a, 'white')
   Fail: (228) [system] char_type(a, 'white')
   Call: (228) [system] char_type(a, end_of_line)
   Fail: (228) [system] char_type(a, end_of_line)
   Call: (228) [system] char_type(a, space)
   Fail: (228) [system] char_type(a, space)
   Call: (228) [system] char_type(a, cntrl)
   Fail: (228) [system] char_type(a, cntrl)
^  Fail: (227) [user] is_like_space(a)
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _828518)
   Exit: (225) [system] peek_char((0x55772f068e50), a)
   Call: (225) [system] a=')'
   Fail: (225) [system] a=')'
   Call: (225) [system] a=end_of_file
   Fail: (225) [system] a=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x55772f068e50), _834088)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _835946)
   Exit: (227) [system] peek_char((0x55772f068e50), a)
   Call: (227) [system] a=(;)
   Fail: (227) [system] a=(;)
   Call: (227) [system] a=(/)
   Fail: (227) [system] a=(/)
^  Call: (227) [user] is_like_space(a)
   Call: (228) [system] char_type(a, 'white')
   Fail: (228) [system] char_type(a, 'white')
   Call: (228) [system] char_type(a, end_of_line)
   Fail: (228) [system] char_type(a, end_of_line)
   Call: (228) [system] char_type(a, space)
   Fail: (228) [system] char_type(a, space)
   Call: (228) [system] char_type(a, cntrl)
   Fail: (228) [system] char_type(a, cntrl)
^  Fail: (227) [user] is_like_space(a)
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] get_char((0x55772f068e50), _851956)
   Exit: (226) [system] get_char((0x55772f068e50), a)
   Call: (226) [system] a='('
   Fail: (226) [system] a='('
   Call: (226) [system] a='['
   Fail: (226) [system] a='['
   Call: (226) [system] a='{'
   Fail: (226) [system] a='{'
   Call: (226) [system] a='"'
   Fail: (226) [system] a='"'
   Call: (226) [system] a=!
   Fail: (226) [system] a=!
   Call: (226) [system] a='\''
   Fail: (226) [system] a='\''
   Call: (226) [system] a='`'
   Fail: (226) [system] a='`'
   Call: (226) [system] a=end_of_file
   Fail: (226) [system] a=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x55772f068e50), a, _834088)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _869598)
   Call: (228) [system] peek_char((0x55772f068e50), _870532)
   Exit: (228) [system] peek_char((0x55772f068e50), b)
^  Call: (228) [user] is_delimiter(b)
   Call: (229) [system] char_type(b, space)
   Fail: (229) [system] char_type(b, space)
   Call: (229) [system] arg(_875252, v('(', ')', end_of_file), b)
   Fail: (229) [system] arg(_876184, v('(', ')', end_of_file), b)
^  Fail: (228) [user] is_delimiter(b)
   Call: (228) [system] ')'==b
   Fail: (228) [system] ')'==b
   Call: (228) [system] get_char((0x55772f068e50), b)
   Exit: (228) [system] get_char((0x55772f068e50), b)
   Call: (228) [system] b=(\)
   Fail: (228) [system] b=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _883534)
   Call: (229) [system] peek_char((0x55772f068e50), _884468)
   Exit: (229) [system] peek_char((0x55772f068e50), c)
^  Call: (229) [user] is_delimiter(c)
   Call: (230) [system] char_type(c, space)
   Fail: (230) [system] char_type(c, space)
   Call: (230) [system] arg(_889188, v('(', ')', end_of_file), c)
   Fail: (230) [system] arg(_890120, v('(', ')', end_of_file), c)
^  Fail: (229) [user] is_delimiter(c)
   Call: (229) [system] ')'==c
   Fail: (229) [system] ')'==c
   Call: (229) [system] get_char((0x55772f068e50), c)
   Exit: (229) [system] get_char((0x55772f068e50), c)
   Call: (229) [system] c=(\)
   Fail: (229) [system] c=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _897470)
   Call: (230) [system] peek_char((0x55772f068e50), _898404)
   Exit: (230) [system] peek_char((0x55772f068e50), ')')
^  Call: (230) [user] is_delimiter(')')
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] arg(_903124, v('(', ')', end_of_file), ')')
   Exit: (231) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (230) [user] is_delimiter(')')
   Call: (230) [system] _897470=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (229) [system] _883534=[c]
   Exit: (229) [system] [c]=[c]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (228) [system] _869598=[b, c]
   Exit: (228) [system] [b, c]=[b, c]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (227) [user] classify_and_convert_charseq([a, b, c], _834088)
^  Call: (228) [user] classify_and_convert_charseq_([a, b, c], _915148)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_916100, _916102), once(user:catch(read_from_chars([a, b, c], _915148), _916082, fail)), '$restore_trace'(_916100, _916102))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_916100, _916102))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _916082, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(abc)
   Exit: (229) [system] atomic(abc)
^  Exit: (228) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (228) [system] integer(abc)
   Fail: (228) [system] integer(abc)
   Call: (228) [system] _834088=abc
   Exit: (228) [system] abc=abc
^  Exit: (227) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (226) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (225) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (225) [user] read_list(')', (0x55772f068e50), _928228)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _930086)
   Exit: (227) [system] peek_char((0x55772f068e50), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
   Call: (227) [system] ')'=(/)
   Fail: (227) [system] ')'=(/)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _946096)
   Exit: (226) [system] peek_char((0x55772f068e50), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x55772f068e50), _949886)
   Exit: (226) [system] get_char((0x55772f068e50), ')')
   Call: (226) [system] _928228=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x55772f068e50), [])
   Call: (225) [system] _797428=[abc]
   Exit: (225) [system] [abc]=[abc]
^  Exit: (224) [user] read_list(')', (0x55772f068e50), [abc])
   Call: (224) [system] _701960=[a, abc]
   Exit: (224) [system] [a, abc]=[a, abc]
^  Exit: (223) [user] read_list(')', (0x55772f068e50), [a, abc])
   Call: (223) [system] _228204=['DisjunctionIntroduction', a, abc]
   Exit: (223) [system] ['DisjunctionIntroduction', a, abc]=['DisjunctionIntroduction', a, abc]
^  Exit: (222) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', a, abc])
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', a, abc])
^  Call: (221) [user] read_list(')', (0x55772f068e50), _963768)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _965626)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x55772f068e50), _975220)
   Exit: (223) [system] get_char((0x55772f068e50), ' ')
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _977924)
   Exit: (224) [system] peek_char((0x55772f068e50), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _994858)
   Exit: (222) [system] peek_char((0x55772f068e50), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _1000428)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1002286)
   Exit: (224) [system] peek_char((0x55772f068e50), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _1018296)
   Exit: (223) [system] get_char((0x55772f068e50), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x55772f068e50), _1000428)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1023866)
   Exit: (225) [system] peek_char((0x55772f068e50), 'O')
   Call: (225) [system] 'O'=(;)
   Fail: (225) [system] 'O'=(;)
   Call: (225) [system] 'O'=(/)
   Fail: (225) [system] 'O'=(/)
^  Call: (225) [user] is_like_space('O')
   Call: (226) [system] char_type('O', 'white')
   Fail: (226) [system] char_type('O', 'white')
   Call: (226) [system] char_type('O', end_of_line)
   Fail: (226) [system] char_type('O', end_of_line)
   Call: (226) [system] char_type('O', space)
   Fail: (226) [system] char_type('O', space)
   Call: (226) [system] char_type('O', cntrl)
   Fail: (226) [system] char_type('O', cntrl)
^  Fail: (225) [user] is_like_space('O')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1039876)
   Exit: (224) [system] peek_char((0x55772f068e50), 'O')
   Call: (224) [system] 'O'=')'
   Fail: (224) [system] 'O'=')'
   Call: (224) [system] 'O'=end_of_file
   Fail: (224) [system] 'O'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x55772f068e50), _1045446)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1047304)
   Exit: (226) [system] peek_char((0x55772f068e50), 'O')
   Call: (226) [system] 'O'=(;)
   Fail: (226) [system] 'O'=(;)
   Call: (226) [system] 'O'=(/)
   Fail: (226) [system] 'O'=(/)
^  Call: (226) [user] is_like_space('O')
   Call: (227) [system] char_type('O', 'white')
   Fail: (227) [system] char_type('O', 'white')
   Call: (227) [system] char_type('O', end_of_line)
   Fail: (227) [system] char_type('O', end_of_line)
   Call: (227) [system] char_type('O', space)
   Fail: (227) [system] char_type('O', space)
   Call: (227) [system] char_type('O', cntrl)
   Fail: (227) [system] char_type('O', cntrl)
^  Fail: (226) [user] is_like_space('O')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] get_char((0x55772f068e50), _1063314)
   Exit: (225) [system] get_char((0x55772f068e50), 'O')
   Call: (225) [system] 'O'='('
   Fail: (225) [system] 'O'='('
   Call: (225) [system] 'O'='['
   Fail: (225) [system] 'O'='['
   Call: (225) [system] 'O'='{'
   Fail: (225) [system] 'O'='{'
   Call: (225) [system] 'O'='"'
   Fail: (225) [system] 'O'='"'
   Call: (225) [system] 'O'=!
   Fail: (225) [system] 'O'=!
   Call: (225) [system] 'O'='\''
   Fail: (225) [system] 'O'='\''
   Call: (225) [system] 'O'='`'
   Fail: (225) [system] 'O'='`'
   Call: (225) [system] 'O'=end_of_file
   Fail: (225) [system] 'O'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x55772f068e50), 'O', _1045446)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1080956)
   Call: (227) [system] peek_char((0x55772f068e50), _1081890)
   Exit: (227) [system] peek_char((0x55772f068e50), r)
^  Call: (227) [user] is_delimiter(r)
   Call: (228) [system] char_type(r, space)
   Fail: (228) [system] char_type(r, space)
   Call: (228) [system] arg(_1086610, v('(', ')', end_of_file), r)
   Fail: (228) [system] arg(_1087542, v('(', ')', end_of_file), r)
^  Fail: (227) [user] is_delimiter(r)
   Call: (227) [system] ')'==r
   Fail: (227) [system] ')'==r
   Call: (227) [system] get_char((0x55772f068e50), r)
   Exit: (227) [system] get_char((0x55772f068e50), r)
   Call: (227) [system] r=(\)
   Fail: (227) [system] r=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1094892)
   Call: (228) [system] peek_char((0x55772f068e50), _1095826)
   Exit: (228) [system] peek_char((0x55772f068e50), 'L')
^  Call: (228) [user] is_delimiter('L')
   Call: (229) [system] char_type('L', space)
   Fail: (229) [system] char_type('L', space)
   Call: (229) [system] arg(_1100546, v('(', ')', end_of_file), 'L')
   Fail: (229) [system] arg(_1101478, v('(', ')', end_of_file), 'L')
^  Fail: (228) [user] is_delimiter('L')
   Call: (228) [system] ')'=='L'
   Fail: (228) [system] ')'=='L'
   Call: (228) [system] get_char((0x55772f068e50), 'L')
   Exit: (228) [system] get_char((0x55772f068e50), 'L')
   Call: (228) [system] 'L'=(\)
   Fail: (228) [system] 'L'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1108828)
   Call: (229) [system] peek_char((0x55772f068e50), _1109762)
   Exit: (229) [system] peek_char((0x55772f068e50), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1114482, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1115414, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x55772f068e50), i)
   Exit: (229) [system] get_char((0x55772f068e50), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1122764)
   Call: (230) [system] peek_char((0x55772f068e50), _1123698)
   Exit: (230) [system] peek_char((0x55772f068e50), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1128418, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1129350, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x55772f068e50), n)
   Exit: (230) [system] get_char((0x55772f068e50), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1136700)
   Call: (231) [system] peek_char((0x55772f068e50), _1137634)
   Exit: (231) [system] peek_char((0x55772f068e50), k)
^  Call: (231) [user] is_delimiter(k)
   Call: (232) [system] char_type(k, space)
   Fail: (232) [system] char_type(k, space)
   Call: (232) [system] arg(_1142354, v('(', ')', end_of_file), k)
   Fail: (232) [system] arg(_1143286, v('(', ')', end_of_file), k)
^  Fail: (231) [user] is_delimiter(k)
   Call: (231) [system] ')'==k
   Fail: (231) [system] ')'==k
   Call: (231) [system] get_char((0x55772f068e50), k)
   Exit: (231) [system] get_char((0x55772f068e50), k)
   Call: (231) [system] k=(\)
   Fail: (231) [system] k=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1150636)
   Call: (232) [system] peek_char((0x55772f068e50), _1151570)
   Exit: (232) [system] peek_char((0x55772f068e50), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1150636=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (231) [system] _1136700=[k]
   Exit: (231) [system] [k]=[k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (230) [system] _1122764=[n, k]
   Exit: (230) [system] [n, k]=[n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (229) [system] _1108828=[i, n, k]
   Exit: (229) [system] [i, n, k]=[i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (228) [system] _1094892=['L', i, n, k]
   Exit: (228) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (227) [system] _1080956=[r, 'L', i, n, k]
   Exit: (227) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (226) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1045446)
^  Call: (227) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1174824)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1175776, _1175778), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1174824), _1175758, fail)), '$restore_trace'(_1175776, _1175778))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1175776, _1175778))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1174824), _1175758, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1174824)
   Fail: (228) [system] atomic(_1174824)
   Call: (228) [system] atom_chars(_1174824, ['O', r, 'L', i, n, k])
   Exit: (228) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (227) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (227) [system] integer('OrLink')
   Fail: (227) [system] integer('OrLink')
   Call: (227) [system] _1045446='OrLink'
   Exit: (227) [system] 'OrLink'='OrLink'
^  Exit: (226) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (225) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (224) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (224) [user] read_list(')', (0x55772f068e50), _1189774)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1191632)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x55772f068e50), _1201226)
   Exit: (226) [system] get_char((0x55772f068e50), ' ')
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1203930)
   Exit: (227) [system] peek_char((0x55772f068e50), 'A')
   Call: (227) [system] 'A'=(;)
   Fail: (227) [system] 'A'=(;)
   Call: (227) [system] 'A'=(/)
   Fail: (227) [system] 'A'=(/)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Fail: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Fail: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Fail: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
   Fail: (228) [system] char_type('A', cntrl)
^  Fail: (227) [user] is_like_space('A')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1220864)
   Exit: (225) [system] peek_char((0x55772f068e50), 'A')
   Call: (225) [system] 'A'=')'
   Fail: (225) [system] 'A'=')'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x55772f068e50), _1226434)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1228292)
   Exit: (227) [system] peek_char((0x55772f068e50), 'A')
   Call: (227) [system] 'A'=(;)
   Fail: (227) [system] 'A'=(;)
   Call: (227) [system] 'A'=(/)
   Fail: (227) [system] 'A'=(/)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Fail: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Fail: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Fail: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
   Fail: (228) [system] char_type('A', cntrl)
^  Fail: (227) [user] is_like_space('A')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] get_char((0x55772f068e50), _1244302)
   Exit: (226) [system] get_char((0x55772f068e50), 'A')
   Call: (226) [system] 'A'='('
   Fail: (226) [system] 'A'='('
   Call: (226) [system] 'A'='['
   Fail: (226) [system] 'A'='['
   Call: (226) [system] 'A'='{'
   Fail: (226) [system] 'A'='{'
   Call: (226) [system] 'A'='"'
   Fail: (226) [system] 'A'='"'
   Call: (226) [system] 'A'=!
   Fail: (226) [system] 'A'=!
   Call: (226) [system] 'A'='\''
   Fail: (226) [system] 'A'='\''
   Call: (226) [system] 'A'='`'
   Fail: (226) [system] 'A'='`'
   Call: (226) [system] 'A'=end_of_file
   Fail: (226) [system] 'A'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x55772f068e50), 'A', _1226434)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1261944)
   Call: (228) [system] peek_char((0x55772f068e50), _1262878)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1261944=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (227) [user] classify_and_convert_charseq(['A'], _1226434)
^  Call: (228) [user] classify_and_convert_charseq_(['A'], _1272162)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1273114, _1273116), once(user:catch(read_from_chars(['A'], _1272162), _1273096, fail)), '$restore_trace'(_1273114, _1273116))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1273114, _1273116))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1272162), _1273096, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1272162)
   Fail: (229) [system] atomic(_1272162)
   Call: (229) [system] atom_chars(_1272162, ['A'])
   Exit: (229) [system] atom_chars('A', ['A'])
^  Exit: (228) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (228) [system] integer('A')
   Fail: (228) [system] integer('A')
   Call: (228) [system] _1226434='A'
   Exit: (228) [system] 'A'='A'
^  Exit: (227) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (226) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (225) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (225) [user] read_list(')', (0x55772f068e50), _1287112)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1288970)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x55772f068e50), _1298564)
   Exit: (227) [system] get_char((0x55772f068e50), ' ')
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1301268)
   Exit: (228) [system] peek_char((0x55772f068e50), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
   Call: (228) [system] '('=(/)
   Fail: (228) [system] '('=(/)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1318202)
   Exit: (226) [system] peek_char((0x55772f068e50), '(')
   Call: (226) [system] '('=')'
   Fail: (226) [system] '('=')'
   Call: (226) [system] '('=end_of_file
   Fail: (226) [system] '('=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x55772f068e50), _1323772)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1325630)
   Exit: (228) [system] peek_char((0x55772f068e50), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
   Call: (228) [system] '('=(/)
   Fail: (228) [system] '('=(/)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] get_char((0x55772f068e50), _1341640)
   Exit: (227) [system] get_char((0x55772f068e50), '(')
   Call: (227) [system] '('='('
   Exit: (227) [system] '('='('
^  Call: (227) [user] read_list(')', (0x55772f068e50), _1323772)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1347210)
   Exit: (229) [system] peek_char((0x55772f068e50), 'I')
   Call: (229) [system] 'I'=(;)
   Fail: (229) [system] 'I'=(;)
   Call: (229) [system] 'I'=(/)
   Fail: (229) [system] 'I'=(/)
^  Call: (229) [user] is_like_space('I')
   Call: (230) [system] char_type('I', 'white')
   Fail: (230) [system] char_type('I', 'white')
   Call: (230) [system] char_type('I', end_of_line)
   Fail: (230) [system] char_type('I', end_of_line)
   Call: (230) [system] char_type('I', space)
   Fail: (230) [system] char_type('I', space)
   Call: (230) [system] char_type('I', cntrl)
   Fail: (230) [system] char_type('I', cntrl)
^  Fail: (229) [user] is_like_space('I')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1363220)
   Exit: (228) [system] peek_char((0x55772f068e50), 'I')
   Call: (228) [system] 'I'=')'
   Fail: (228) [system] 'I'=')'
   Call: (228) [system] 'I'=end_of_file
   Fail: (228) [system] 'I'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x55772f068e50), _1368790)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1370648)
   Exit: (230) [system] peek_char((0x55772f068e50), 'I')
   Call: (230) [system] 'I'=(;)
   Fail: (230) [system] 'I'=(;)
   Call: (230) [system] 'I'=(/)
   Fail: (230) [system] 'I'=(/)
^  Call: (230) [user] is_like_space('I')
   Call: (231) [system] char_type('I', 'white')
   Fail: (231) [system] char_type('I', 'white')
   Call: (231) [system] char_type('I', end_of_line)
   Fail: (231) [system] char_type('I', end_of_line)
   Call: (231) [system] char_type('I', space)
   Fail: (231) [system] char_type('I', space)
   Call: (231) [system] char_type('I', cntrl)
   Fail: (231) [system] char_type('I', cntrl)
^  Fail: (230) [user] is_like_space('I')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] get_char((0x55772f068e50), _1386658)
   Exit: (229) [system] get_char((0x55772f068e50), 'I')
   Call: (229) [system] 'I'='('
   Fail: (229) [system] 'I'='('
   Call: (229) [system] 'I'='['
   Fail: (229) [system] 'I'='['
   Call: (229) [system] 'I'='{'
   Fail: (229) [system] 'I'='{'
   Call: (229) [system] 'I'='"'
   Fail: (229) [system] 'I'='"'
   Call: (229) [system] 'I'=!
   Fail: (229) [system] 'I'=!
   Call: (229) [system] 'I'='\''
   Fail: (229) [system] 'I'='\''
   Call: (229) [system] 'I'='`'
   Fail: (229) [system] 'I'='`'
   Call: (229) [system] 'I'=end_of_file
   Fail: (229) [system] 'I'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x55772f068e50), 'I', _1368790)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1404300)
   Call: (231) [system] peek_char((0x55772f068e50), _1405234)
   Exit: (231) [system] peek_char((0x55772f068e50), m)
^  Call: (231) [user] is_delimiter(m)
   Call: (232) [system] char_type(m, space)
   Fail: (232) [system] char_type(m, space)
   Call: (232) [system] arg(_1409954, v('(', ')', end_of_file), m)
   Fail: (232) [system] arg(_1410886, v('(', ')', end_of_file), m)
^  Fail: (231) [user] is_delimiter(m)
   Call: (231) [system] ')'==m
   Fail: (231) [system] ')'==m
   Call: (231) [system] get_char((0x55772f068e50), m)
   Exit: (231) [system] get_char((0x55772f068e50), m)
   Call: (231) [system] m=(\)
   Fail: (231) [system] m=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1418236)
   Call: (232) [system] peek_char((0x55772f068e50), _1419170)
   Exit: (232) [system] peek_char((0x55772f068e50), p)
^  Call: (232) [user] is_delimiter(p)
   Call: (233) [system] char_type(p, space)
   Fail: (233) [system] char_type(p, space)
   Call: (233) [system] arg(_1423890, v('(', ')', end_of_file), p)
   Fail: (233) [system] arg(_1424822, v('(', ')', end_of_file), p)
^  Fail: (232) [user] is_delimiter(p)
   Call: (232) [system] ')'==p
   Fail: (232) [system] ')'==p
   Call: (232) [system] get_char((0x55772f068e50), p)
   Exit: (232) [system] get_char((0x55772f068e50), p)
   Call: (232) [system] p=(\)
   Fail: (232) [system] p=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1432172)
   Call: (233) [system] peek_char((0x55772f068e50), _1433106)
   Exit: (233) [system] peek_char((0x55772f068e50), l)
^  Call: (233) [user] is_delimiter(l)
   Call: (234) [system] char_type(l, space)
   Fail: (234) [system] char_type(l, space)
   Call: (234) [system] arg(_1437826, v('(', ')', end_of_file), l)
   Fail: (234) [system] arg(_1438758, v('(', ')', end_of_file), l)
^  Fail: (233) [user] is_delimiter(l)
   Call: (233) [system] ')'==l
   Fail: (233) [system] ')'==l
   Call: (233) [system] get_char((0x55772f068e50), l)
   Exit: (233) [system] get_char((0x55772f068e50), l)
   Call: (233) [system] l=(\)
   Fail: (233) [system] l=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1446108)
   Call: (234) [system] peek_char((0x55772f068e50), _1447042)
   Exit: (234) [system] peek_char((0x55772f068e50), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_1451762, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_1452694, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x55772f068e50), i)
   Exit: (234) [system] get_char((0x55772f068e50), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1460044)
   Call: (235) [system] peek_char((0x55772f068e50), _1460978)
   Exit: (235) [system] peek_char((0x55772f068e50), c)
^  Call: (235) [user] is_delimiter(c)
   Call: (236) [system] char_type(c, space)
   Fail: (236) [system] char_type(c, space)
   Call: (236) [system] arg(_1465698, v('(', ')', end_of_file), c)
   Fail: (236) [system] arg(_1466630, v('(', ')', end_of_file), c)
^  Fail: (235) [user] is_delimiter(c)
   Call: (235) [system] ')'==c
   Fail: (235) [system] ')'==c
   Call: (235) [system] get_char((0x55772f068e50), c)
   Exit: (235) [system] get_char((0x55772f068e50), c)
   Call: (235) [system] c=(\)
   Fail: (235) [system] c=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1473980)
   Call: (236) [system] peek_char((0x55772f068e50), _1474914)
   Exit: (236) [system] peek_char((0x55772f068e50), a)
^  Call: (236) [user] is_delimiter(a)
   Call: (237) [system] char_type(a, space)
   Fail: (237) [system] char_type(a, space)
   Call: (237) [system] arg(_1479634, v('(', ')', end_of_file), a)
   Fail: (237) [system] arg(_1480566, v('(', ')', end_of_file), a)
^  Fail: (236) [user] is_delimiter(a)
   Call: (236) [system] ')'==a
   Fail: (236) [system] ')'==a
   Call: (236) [system] get_char((0x55772f068e50), a)
   Exit: (236) [system] get_char((0x55772f068e50), a)
   Call: (236) [system] a=(\)
   Fail: (236) [system] a=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1487916)
   Call: (237) [system] peek_char((0x55772f068e50), _1488850)
   Exit: (237) [system] peek_char((0x55772f068e50), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Fail: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_1493570, v('(', ')', end_of_file), t)
   Fail: (238) [system] arg(_1494502, v('(', ')', end_of_file), t)
^  Fail: (237) [user] is_delimiter(t)
   Call: (237) [system] ')'==t
   Fail: (237) [system] ')'==t
   Call: (237) [system] get_char((0x55772f068e50), t)
   Exit: (237) [system] get_char((0x55772f068e50), t)
   Call: (237) [system] t=(\)
   Fail: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _1501852)
   Call: (238) [system] peek_char((0x55772f068e50), _1502786)
   Exit: (238) [system] peek_char((0x55772f068e50), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Fail: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_1507506, v('(', ')', end_of_file), i)
   Fail: (239) [system] arg(_1508438, v('(', ')', end_of_file), i)
^  Fail: (238) [user] is_delimiter(i)
   Call: (238) [system] ')'==i
   Fail: (238) [system] ')'==i
   Call: (238) [system] get_char((0x55772f068e50), i)
   Exit: (238) [system] get_char((0x55772f068e50), i)
   Call: (238) [system] i=(\)
   Fail: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _1515788)
   Call: (239) [system] peek_char((0x55772f068e50), _1516722)
   Exit: (239) [system] peek_char((0x55772f068e50), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Fail: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_1521442, v('(', ')', end_of_file), o)
   Fail: (240) [system] arg(_1522374, v('(', ')', end_of_file), o)
^  Fail: (239) [user] is_delimiter(o)
   Call: (239) [system] ')'==o
   Fail: (239) [system] ')'==o
   Call: (239) [system] get_char((0x55772f068e50), o)
   Exit: (239) [system] get_char((0x55772f068e50), o)
   Call: (239) [system] o=(\)
   Fail: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _1529724)
   Call: (240) [system] peek_char((0x55772f068e50), _1530658)
   Exit: (240) [system] peek_char((0x55772f068e50), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Fail: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_1535378, v('(', ')', end_of_file), n)
   Fail: (241) [system] arg(_1536310, v('(', ')', end_of_file), n)
^  Fail: (240) [user] is_delimiter(n)
   Call: (240) [system] ')'==n
   Fail: (240) [system] ')'==n
   Call: (240) [system] get_char((0x55772f068e50), n)
   Exit: (240) [system] get_char((0x55772f068e50), n)
   Call: (240) [system] n=(\)
   Fail: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _1543660)
   Call: (241) [system] peek_char((0x55772f068e50), _1544594)
   Exit: (241) [system] peek_char((0x55772f068e50), ' ')
^  Call: (241) [user] is_delimiter(' ')
   Call: (242) [system] char_type(' ', space)
   Exit: (242) [system] char_type(' ', space)
^  Exit: (241) [user] is_delimiter(' ')
   Call: (241) [system] _1543660=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (240) [system] _1529724=[n]
   Exit: (240) [system] [n]=[n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (239) [system] _1515788=[o, n]
   Exit: (239) [system] [o, n]=[o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (238) [system] _1501852=[i, o, n]
   Exit: (238) [system] [i, o, n]=[i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (237) [system] _1487916=[t, i, o, n]
   Exit: (237) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (236) [system] _1473980=[a, t, i, o, n]
   Exit: (236) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (235) [system] _1460044=[c, a, t, i, o, n]
   Exit: (235) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (234) [system] _1446108=[i, c, a, t, i, o, n]
   Exit: (234) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (233) [system] _1432172=[l, i, c, a, t, i, o, n]
   Exit: (233) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (232) [system] _1418236=[p, l, i, c, a, t, i, o, n]
   Exit: (232) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (231) [system] _1404300=[m, p, l, i, c, a, t, i, o, n]
   Exit: (231) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (230) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1368790)
^  Call: (231) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1581818)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1582770, _1582772), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1581818), _1582752, fail)), '$restore_trace'(_1582770, _1582772))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1582770, _1582772))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1581818), _1582752, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_1581818)
   Fail: (232) [system] atomic(_1581818)
   Call: (232) [system] atom_chars(_1581818, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (232) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (231) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (231) [system] integer('Implication')
   Fail: (231) [system] integer('Implication')
   Call: (231) [system] _1368790='Implication'
   Exit: (231) [system] 'Implication'='Implication'
^  Exit: (230) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (229) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (228) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (228) [user] read_list(')', (0x55772f068e50), _1596768)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1598626)
   Exit: (230) [system] peek_char((0x55772f068e50), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
   Call: (230) [system] ' '=(/)
   Fail: (230) [system] ' '=(/)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x55772f068e50), _1608220)
   Exit: (230) [system] get_char((0x55772f068e50), ' ')
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1610924)
   Exit: (231) [system] peek_char((0x55772f068e50), '(')
   Call: (231) [system] '('=(;)
   Fail: (231) [system] '('=(;)
   Call: (231) [system] '('=(/)
   Fail: (231) [system] '('=(/)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Fail: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Fail: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Fail: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
   Fail: (232) [system] char_type('(', cntrl)
^  Fail: (231) [user] is_like_space('(')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1627858)
   Exit: (229) [system] peek_char((0x55772f068e50), '(')
   Call: (229) [system] '('=')'
   Fail: (229) [system] '('=')'
   Call: (229) [system] '('=end_of_file
   Fail: (229) [system] '('=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x55772f068e50), _1633428)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1635286)
   Exit: (231) [system] peek_char((0x55772f068e50), '(')
   Call: (231) [system] '('=(;)
   Fail: (231) [system] '('=(;)
   Call: (231) [system] '('=(/)
   Fail: (231) [system] '('=(/)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Fail: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Fail: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Fail: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
   Fail: (232) [system] char_type('(', cntrl)
^  Fail: (231) [user] is_like_space('(')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] get_char((0x55772f068e50), _1651296)
   Exit: (230) [system] get_char((0x55772f068e50), '(')
   Call: (230) [system] '('='('
   Exit: (230) [system] '('='('
^  Call: (230) [user] read_list(')', (0x55772f068e50), _1633428)
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _1656866)
   Exit: (232) [system] peek_char((0x55772f068e50), 'A')
   Call: (232) [system] 'A'=(;)
   Fail: (232) [system] 'A'=(;)
   Call: (232) [system] 'A'=(/)
   Fail: (232) [system] 'A'=(/)
^  Call: (232) [user] is_like_space('A')
   Call: (233) [system] char_type('A', 'white')
   Fail: (233) [system] char_type('A', 'white')
   Call: (233) [system] char_type('A', end_of_line)
   Fail: (233) [system] char_type('A', end_of_line)
   Call: (233) [system] char_type('A', space)
   Fail: (233) [system] char_type('A', space)
   Call: (233) [system] char_type('A', cntrl)
   Fail: (233) [system] char_type('A', cntrl)
^  Fail: (232) [user] is_like_space('A')
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1672876)
   Exit: (231) [system] peek_char((0x55772f068e50), 'A')
   Call: (231) [system] 'A'=')'
   Fail: (231) [system] 'A'=')'
   Call: (231) [system] 'A'=end_of_file
   Fail: (231) [system] 'A'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x55772f068e50), _1678446)
^  Call: (232) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _1680304)
   Exit: (233) [system] peek_char((0x55772f068e50), 'A')
   Call: (233) [system] 'A'=(;)
   Fail: (233) [system] 'A'=(;)
   Call: (233) [system] 'A'=(/)
   Fail: (233) [system] 'A'=(/)
^  Call: (233) [user] is_like_space('A')
   Call: (234) [system] char_type('A', 'white')
   Fail: (234) [system] char_type('A', 'white')
   Call: (234) [system] char_type('A', end_of_line)
   Fail: (234) [system] char_type('A', end_of_line)
   Call: (234) [system] char_type('A', space)
   Fail: (234) [system] char_type('A', space)
   Call: (234) [system] char_type('A', cntrl)
   Fail: (234) [system] char_type('A', cntrl)
^  Fail: (233) [user] is_like_space('A')
^  Exit: (232) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] get_char((0x55772f068e50), _1696314)
   Exit: (232) [system] get_char((0x55772f068e50), 'A')
   Call: (232) [system] 'A'='('
   Fail: (232) [system] 'A'='('
   Call: (232) [system] 'A'='['
   Fail: (232) [system] 'A'='['
   Call: (232) [system] 'A'='{'
   Fail: (232) [system] 'A'='{'
   Call: (232) [system] 'A'='"'
   Fail: (232) [system] 'A'='"'
   Call: (232) [system] 'A'=!
   Fail: (232) [system] 'A'=!
   Call: (232) [system] 'A'='\''
   Fail: (232) [system] 'A'='\''
   Call: (232) [system] 'A'='`'
   Fail: (232) [system] 'A'='`'
   Call: (232) [system] 'A'=end_of_file
   Fail: (232) [system] 'A'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x55772f068e50), 'A', _1678446)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1713956)
   Call: (234) [system] peek_char((0x55772f068e50), _1714890)
   Exit: (234) [system] peek_char((0x55772f068e50), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_1719610, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_1720542, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x55772f068e50), n)
   Exit: (234) [system] get_char((0x55772f068e50), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1727892)
   Call: (235) [system] peek_char((0x55772f068e50), _1728826)
   Exit: (235) [system] peek_char((0x55772f068e50), d)
^  Call: (235) [user] is_delimiter(d)
   Call: (236) [system] char_type(d, space)
   Fail: (236) [system] char_type(d, space)
   Call: (236) [system] arg(_1733546, v('(', ')', end_of_file), d)
   Fail: (236) [system] arg(_1734478, v('(', ')', end_of_file), d)
^  Fail: (235) [user] is_delimiter(d)
   Call: (235) [system] ')'==d
   Fail: (235) [system] ')'==d
   Call: (235) [system] get_char((0x55772f068e50), d)
   Exit: (235) [system] get_char((0x55772f068e50), d)
   Call: (235) [system] d=(\)
   Fail: (235) [system] d=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1741828)
   Call: (236) [system] peek_char((0x55772f068e50), _1742762)
   Exit: (236) [system] peek_char((0x55772f068e50), 'L')
^  Call: (236) [user] is_delimiter('L')
   Call: (237) [system] char_type('L', space)
   Fail: (237) [system] char_type('L', space)
   Call: (237) [system] arg(_1747482, v('(', ')', end_of_file), 'L')
   Fail: (237) [system] arg(_1748414, v('(', ')', end_of_file), 'L')
^  Fail: (236) [user] is_delimiter('L')
   Call: (236) [system] ')'=='L'
   Fail: (236) [system] ')'=='L'
   Call: (236) [system] get_char((0x55772f068e50), 'L')
   Exit: (236) [system] get_char((0x55772f068e50), 'L')
   Call: (236) [system] 'L'=(\)
   Fail: (236) [system] 'L'=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1755764)
   Call: (237) [system] peek_char((0x55772f068e50), _1756698)
   Exit: (237) [system] peek_char((0x55772f068e50), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Fail: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_1761418, v('(', ')', end_of_file), i)
   Fail: (238) [system] arg(_1762350, v('(', ')', end_of_file), i)
^  Fail: (237) [user] is_delimiter(i)
   Call: (237) [system] ')'==i
   Fail: (237) [system] ')'==i
   Call: (237) [system] get_char((0x55772f068e50), i)
   Exit: (237) [system] get_char((0x55772f068e50), i)
   Call: (237) [system] i=(\)
   Fail: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _1769700)
   Call: (238) [system] peek_char((0x55772f068e50), _1770634)
   Exit: (238) [system] peek_char((0x55772f068e50), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Fail: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_1775354, v('(', ')', end_of_file), n)
   Fail: (239) [system] arg(_1776286, v('(', ')', end_of_file), n)
^  Fail: (238) [user] is_delimiter(n)
   Call: (238) [system] ')'==n
   Fail: (238) [system] ')'==n
   Call: (238) [system] get_char((0x55772f068e50), n)
   Exit: (238) [system] get_char((0x55772f068e50), n)
   Call: (238) [system] n=(\)
   Fail: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _1783636)
   Call: (239) [system] peek_char((0x55772f068e50), _1784570)
   Exit: (239) [system] peek_char((0x55772f068e50), k)
^  Call: (239) [user] is_delimiter(k)
   Call: (240) [system] char_type(k, space)
   Fail: (240) [system] char_type(k, space)
   Call: (240) [system] arg(_1789290, v('(', ')', end_of_file), k)
   Fail: (240) [system] arg(_1790222, v('(', ')', end_of_file), k)
^  Fail: (239) [user] is_delimiter(k)
   Call: (239) [system] ')'==k
   Fail: (239) [system] ')'==k
   Call: (239) [system] get_char((0x55772f068e50), k)
   Exit: (239) [system] get_char((0x55772f068e50), k)
   Call: (239) [system] k=(\)
   Fail: (239) [system] k=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _1797572)
   Call: (240) [system] peek_char((0x55772f068e50), _1798506)
   Exit: (240) [system] peek_char((0x55772f068e50), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _1797572=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (239) [system] _1783636=[k]
   Exit: (239) [system] [k]=[k]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (238) [system] _1769700=[n, k]
   Exit: (238) [system] [n, k]=[n, k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (237) [system] _1755764=[i, n, k]
   Exit: (237) [system] [i, n, k]=[i, n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (236) [system] _1741828=['L', i, n, k]
   Exit: (236) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (235) [system] _1727892=[d, 'L', i, n, k]
   Exit: (235) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (234) [system] _1713956=[n, d, 'L', i, n, k]
   Exit: (234) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (233) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1678446)
^  Call: (234) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1824554)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_1825506, _1825508), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1824554), _1825488, fail)), '$restore_trace'(_1825506, _1825508))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_1825506, _1825508))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1824554), _1825488, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_1824554)
   Fail: (235) [system] atomic(_1824554)
   Call: (235) [system] atom_chars(_1824554, ['A', n, d, 'L', i, n, k])
   Exit: (235) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (234) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (234) [system] integer('AndLink')
   Fail: (234) [system] integer('AndLink')
   Call: (234) [system] _1678446='AndLink'
   Exit: (234) [system] 'AndLink'='AndLink'
^  Exit: (233) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (232) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (231) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (231) [user] read_list(')', (0x55772f068e50), _1839504)
^  Call: (232) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _1841362)
   Exit: (233) [system] peek_char((0x55772f068e50), ' ')
   Call: (233) [system] ' '=(;)
   Fail: (233) [system] ' '=(;)
   Call: (233) [system] ' '=(/)
   Fail: (233) [system] ' '=(/)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x55772f068e50), _1850956)
   Exit: (233) [system] get_char((0x55772f068e50), ' ')
^  Call: (233) [user] skip_spaces((0x55772f068e50))
   Call: (234) [system] peek_char((0x55772f068e50), _1853660)
   Exit: (234) [system] peek_char((0x55772f068e50), 'A')
   Call: (234) [system] 'A'=(;)
   Fail: (234) [system] 'A'=(;)
   Call: (234) [system] 'A'=(/)
   Fail: (234) [system] 'A'=(/)
^  Call: (234) [user] is_like_space('A')
   Call: (235) [system] char_type('A', 'white')
   Fail: (235) [system] char_type('A', 'white')
   Call: (235) [system] char_type('A', end_of_line)
   Fail: (235) [system] char_type('A', end_of_line)
   Call: (235) [system] char_type('A', space)
   Fail: (235) [system] char_type('A', space)
   Call: (235) [system] char_type('A', cntrl)
   Fail: (235) [system] char_type('A', cntrl)
^  Fail: (234) [user] is_like_space('A')
^  Exit: (233) [user] skip_spaces((0x55772f068e50))
^  Exit: (232) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _1870594)
   Exit: (232) [system] peek_char((0x55772f068e50), 'A')
   Call: (232) [system] 'A'=')'
   Fail: (232) [system] 'A'=')'
   Call: (232) [system] 'A'=end_of_file
   Fail: (232) [system] 'A'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x55772f068e50), _1876164)
^  Call: (233) [user] skip_spaces((0x55772f068e50))
   Call: (234) [system] peek_char((0x55772f068e50), _1878022)
   Exit: (234) [system] peek_char((0x55772f068e50), 'A')
   Call: (234) [system] 'A'=(;)
   Fail: (234) [system] 'A'=(;)
   Call: (234) [system] 'A'=(/)
   Fail: (234) [system] 'A'=(/)
^  Call: (234) [user] is_like_space('A')
   Call: (235) [system] char_type('A', 'white')
   Fail: (235) [system] char_type('A', 'white')
   Call: (235) [system] char_type('A', end_of_line)
   Fail: (235) [system] char_type('A', end_of_line)
   Call: (235) [system] char_type('A', space)
   Fail: (235) [system] char_type('A', space)
   Call: (235) [system] char_type('A', cntrl)
   Fail: (235) [system] char_type('A', cntrl)
^  Fail: (234) [user] is_like_space('A')
^  Exit: (233) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] get_char((0x55772f068e50), _1894032)
   Exit: (233) [system] get_char((0x55772f068e50), 'A')
   Call: (233) [system] 'A'='('
   Fail: (233) [system] 'A'='('
   Call: (233) [system] 'A'='['
   Fail: (233) [system] 'A'='['
   Call: (233) [system] 'A'='{'
   Fail: (233) [system] 'A'='{'
   Call: (233) [system] 'A'='"'
   Fail: (233) [system] 'A'='"'
   Call: (233) [system] 'A'=!
   Fail: (233) [system] 'A'=!
   Call: (233) [system] 'A'='\''
   Fail: (233) [system] 'A'='\''
   Call: (233) [system] 'A'='`'
   Fail: (233) [system] 'A'='`'
   Call: (233) [system] 'A'=end_of_file
   Fail: (233) [system] 'A'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x55772f068e50), 'A', _1876164)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1911674)
   Call: (235) [system] peek_char((0x55772f068e50), _1912608)
   Exit: (235) [system] peek_char((0x55772f068e50), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _1911674=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (234) [user] classify_and_convert_charseq(['A'], _1876164)
^  Call: (235) [user] classify_and_convert_charseq_(['A'], _1921892)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_1922844, _1922846), once(user:catch(read_from_chars(['A'], _1921892), _1922826, fail)), '$restore_trace'(_1922844, _1922846))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_1922844, _1922846))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1921892), _1922826, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(_1921892)
   Fail: (236) [system] atomic(_1921892)
   Call: (236) [system] atom_chars(_1921892, ['A'])
   Exit: (236) [system] atom_chars('A', ['A'])
^  Exit: (235) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (235) [system] integer('A')
   Fail: (235) [system] integer('A')
   Call: (235) [system] _1876164='A'
   Exit: (235) [system] 'A'='A'
^  Exit: (234) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (233) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (232) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (232) [user] read_list(')', (0x55772f068e50), _1936842)
^  Call: (233) [user] skip_spaces((0x55772f068e50))
   Call: (234) [system] peek_char((0x55772f068e50), _1938700)
   Exit: (234) [system] peek_char((0x55772f068e50), ' ')
   Call: (234) [system] ' '=(;)
   Fail: (234) [system] ' '=(;)
   Call: (234) [system] ' '=(/)
   Fail: (234) [system] ' '=(/)
^  Call: (234) [user] is_like_space(' ')
   Call: (235) [system] char_type(' ', 'white')
   Exit: (235) [system] char_type(' ', 'white')
^  Exit: (234) [user] is_like_space(' ')
   Call: (234) [system] get_char((0x55772f068e50), _1948294)
   Exit: (234) [system] get_char((0x55772f068e50), ' ')
^  Call: (234) [user] skip_spaces((0x55772f068e50))
   Call: (235) [system] peek_char((0x55772f068e50), _1950998)
   Exit: (235) [system] peek_char((0x55772f068e50), 'B')
   Call: (235) [system] 'B'=(;)
   Fail: (235) [system] 'B'=(;)
   Call: (235) [system] 'B'=(/)
   Fail: (235) [system] 'B'=(/)
^  Call: (235) [user] is_like_space('B')
   Call: (236) [system] char_type('B', 'white')
   Fail: (236) [system] char_type('B', 'white')
   Call: (236) [system] char_type('B', end_of_line)
   Fail: (236) [system] char_type('B', end_of_line)
   Call: (236) [system] char_type('B', space)
   Fail: (236) [system] char_type('B', space)
   Call: (236) [system] char_type('B', cntrl)
   Fail: (236) [system] char_type('B', cntrl)
^  Fail: (235) [user] is_like_space('B')
^  Exit: (234) [user] skip_spaces((0x55772f068e50))
^  Exit: (233) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _1967932)
   Exit: (233) [system] peek_char((0x55772f068e50), 'B')
   Call: (233) [system] 'B'=')'
   Fail: (233) [system] 'B'=')'
   Call: (233) [system] 'B'=end_of_file
   Fail: (233) [system] 'B'=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x55772f068e50), _1973502)
^  Call: (234) [user] skip_spaces((0x55772f068e50))
   Call: (235) [system] peek_char((0x55772f068e50), _1975360)
   Exit: (235) [system] peek_char((0x55772f068e50), 'B')
   Call: (235) [system] 'B'=(;)
   Fail: (235) [system] 'B'=(;)
   Call: (235) [system] 'B'=(/)
   Fail: (235) [system] 'B'=(/)
^  Call: (235) [user] is_like_space('B')
   Call: (236) [system] char_type('B', 'white')
   Fail: (236) [system] char_type('B', 'white')
   Call: (236) [system] char_type('B', end_of_line)
   Fail: (236) [system] char_type('B', end_of_line)
   Call: (236) [system] char_type('B', space)
   Fail: (236) [system] char_type('B', space)
   Call: (236) [system] char_type('B', cntrl)
   Fail: (236) [system] char_type('B', cntrl)
^  Fail: (235) [user] is_like_space('B')
^  Exit: (234) [user] skip_spaces((0x55772f068e50))
   Call: (234) [system] get_char((0x55772f068e50), _1991370)
   Exit: (234) [system] get_char((0x55772f068e50), 'B')
   Call: (234) [system] 'B'='('
   Fail: (234) [system] 'B'='('
   Call: (234) [system] 'B'='['
   Fail: (234) [system] 'B'='['
   Call: (234) [system] 'B'='{'
   Fail: (234) [system] 'B'='{'
   Call: (234) [system] 'B'='"'
   Fail: (234) [system] 'B'='"'
   Call: (234) [system] 'B'=!
   Fail: (234) [system] 'B'=!
   Call: (234) [system] 'B'='\''
   Fail: (234) [system] 'B'='\''
   Call: (234) [system] 'B'='`'
   Fail: (234) [system] 'B'='`'
   Call: (234) [system] 'B'=end_of_file
   Fail: (234) [system] 'B'=end_of_file
^  Call: (234) [user] read_symbolic(')', (0x55772f068e50), 'B', _1973502)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _2009012)
   Call: (236) [system] peek_char((0x55772f068e50), _2009946)
   Exit: (236) [system] peek_char((0x55772f068e50), ')')
^  Call: (236) [user] is_delimiter(')')
   Call: (237) [system] char_type(')', space)
   Fail: (237) [system] char_type(')', space)
   Call: (237) [system] arg(_2014666, v('(', ')', end_of_file), ')')
   Exit: (237) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (236) [user] is_delimiter(')')
   Call: (236) [system] _2009012=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (235) [user] classify_and_convert_charseq(['B'], _1973502)
^  Call: (236) [user] classify_and_convert_charseq_(['B'], _2021102)
^  Call: (238) [system] setup_call_cleanup('$notrace'(_2022054, _2022056), once(user:catch(read_from_chars(['B'], _2021102), _2022036, fail)), '$restore_trace'(_2022054, _2022056))
^  Call: (239) [system] sig_atomic(system:'$notrace'(_2022054, _2022056))
^  Exit: (238) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _2021102), _2022036, fail)), system:'$restore_trace'(3, -1))
   Call: (237) [system] atomic(_2021102)
   Fail: (237) [system] atomic(_2021102)
   Call: (237) [system] atom_chars(_2021102, ['B'])
   Exit: (237) [system] atom_chars('B', ['B'])
^  Exit: (236) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (236) [system] integer('B')
   Fail: (236) [system] integer('B')
   Call: (236) [system] _1973502='B'
   Exit: (236) [system] 'B'='B'
^  Exit: (235) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (234) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (233) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (233) [user] read_list(')', (0x55772f068e50), _2036052)
^  Call: (234) [user] skip_spaces((0x55772f068e50))
   Call: (235) [system] peek_char((0x55772f068e50), _2037910)
   Exit: (235) [system] peek_char((0x55772f068e50), ')')
   Call: (235) [system] ')'=(;)
   Fail: (235) [system] ')'=(;)
   Call: (235) [system] ')'=(/)
   Fail: (235) [system] ')'=(/)
^  Call: (235) [user] is_like_space(')')
   Call: (236) [system] char_type(')', 'white')
   Fail: (236) [system] char_type(')', 'white')
   Call: (236) [system] char_type(')', end_of_line)
   Fail: (236) [system] char_type(')', end_of_line)
   Call: (236) [system] char_type(')', space)
   Fail: (236) [system] char_type(')', space)
   Call: (236) [system] char_type(')', cntrl)
   Fail: (236) [system] char_type(')', cntrl)
^  Fail: (235) [user] is_like_space(')')
^  Exit: (234) [user] skip_spaces((0x55772f068e50))
   Call: (234) [system] peek_char((0x55772f068e50), _2053920)
   Exit: (234) [system] peek_char((0x55772f068e50), ')')
   Call: (234) [system] ')'=')'
   Exit: (234) [system] ')'=')'
   Call: (234) [system] get_char((0x55772f068e50), _2057710)
   Exit: (234) [system] get_char((0x55772f068e50), ')')
   Call: (234) [system] _2036052=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_list(')', (0x55772f068e50), [])
   Call: (233) [system] _1936842=['B']
   Exit: (233) [system] ['B']=['B']
^  Exit: (232) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (232) [system] _1839504=['A', 'B']
   Exit: (232) [system] ['A', 'B']=['A', 'B']
^  Exit: (231) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (231) [system] _1633428=['AndLink', 'A', 'B']
   Exit: (231) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (230) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (229) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (229) [user] read_list(')', (0x55772f068e50), _2071592)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _2073450)
   Exit: (231) [system] peek_char((0x55772f068e50), ' ')
   Call: (231) [system] ' '=(;)
   Fail: (231) [system] ' '=(;)
   Call: (231) [system] ' '=(/)
   Fail: (231) [system] ' '=(/)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x55772f068e50), _2083044)
   Exit: (231) [system] get_char((0x55772f068e50), ' ')
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _2085748)
   Exit: (232) [system] peek_char((0x55772f068e50), 'C')
   Call: (232) [system] 'C'=(;)
   Fail: (232) [system] 'C'=(;)
   Call: (232) [system] 'C'=(/)
   Fail: (232) [system] 'C'=(/)
^  Call: (232) [user] is_like_space('C')
   Call: (233) [system] char_type('C', 'white')
   Fail: (233) [system] char_type('C', 'white')
   Call: (233) [system] char_type('C', end_of_line)
   Fail: (233) [system] char_type('C', end_of_line)
   Call: (233) [system] char_type('C', space)
   Fail: (233) [system] char_type('C', space)
   Call: (233) [system] char_type('C', cntrl)
   Fail: (233) [system] char_type('C', cntrl)
^  Fail: (232) [user] is_like_space('C')
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _12070)
   Exit: (230) [system] peek_char((0x55772f068e50), 'C')
   Call: (230) [system] 'C'=')'
   Fail: (230) [system] 'C'=')'
   Call: (230) [system] 'C'=end_of_file
   Fail: (230) [system] 'C'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x55772f068e50), _17640)
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _19498)
   Exit: (232) [system] peek_char((0x55772f068e50), 'C')
   Call: (232) [system] 'C'=(;)
   Fail: (232) [system] 'C'=(;)
   Call: (232) [system] 'C'=(/)
   Fail: (232) [system] 'C'=(/)
^  Call: (232) [user] is_like_space('C')
   Call: (233) [system] char_type('C', 'white')
   Fail: (233) [system] char_type('C', 'white')
   Call: (233) [system] char_type('C', end_of_line)
   Fail: (233) [system] char_type('C', end_of_line)
   Call: (233) [system] char_type('C', space)
   Fail: (233) [system] char_type('C', space)
   Call: (233) [system] char_type('C', cntrl)
   Fail: (233) [system] char_type('C', cntrl)
^  Fail: (232) [user] is_like_space('C')
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] get_char((0x55772f068e50), _35508)
   Exit: (231) [system] get_char((0x55772f068e50), 'C')
   Call: (231) [system] 'C'='('
   Fail: (231) [system] 'C'='('
   Call: (231) [system] 'C'='['
   Fail: (231) [system] 'C'='['
   Call: (231) [system] 'C'='{'
   Fail: (231) [system] 'C'='{'
   Call: (231) [system] 'C'='"'
   Fail: (231) [system] 'C'='"'
   Call: (231) [system] 'C'=!
   Fail: (231) [system] 'C'=!
   Call: (231) [system] 'C'='\''
   Fail: (231) [system] 'C'='\''
   Call: (231) [system] 'C'='`'
   Fail: (231) [system] 'C'='`'
   Call: (231) [system] 'C'=end_of_file
   Fail: (231) [system] 'C'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x55772f068e50), 'C', _17640)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _53150)
   Call: (233) [system] peek_char((0x55772f068e50), _54084)
   Exit: (233) [system] peek_char((0x55772f068e50), ')')
^  Call: (233) [user] is_delimiter(')')
   Call: (234) [system] char_type(')', space)
   Fail: (234) [system] char_type(')', space)
   Call: (234) [system] arg(_58804, v('(', ')', end_of_file), ')')
   Exit: (234) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (233) [user] is_delimiter(')')
   Call: (233) [system] _53150=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (232) [user] classify_and_convert_charseq(['C'], _17640)
^  Call: (233) [user] classify_and_convert_charseq_(['C'], _65240)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_66192, _66194), once(user:catch(read_from_chars(['C'], _65240), _66174, fail)), '$restore_trace'(_66192, _66194))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_66192, _66194))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _65240), _66174, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_65240)
   Fail: (234) [system] atomic(_65240)
   Call: (234) [system] atom_chars(_65240, ['C'])
   Exit: (234) [system] atom_chars('C', ['C'])
^  Exit: (233) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (233) [system] integer('C')
   Fail: (233) [system] integer('C')
   Call: (233) [system] _17640='C'
   Exit: (233) [system] 'C'='C'
^  Exit: (232) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (231) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (230) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (230) [user] read_list(')', (0x55772f068e50), _80190)
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _82048)
   Exit: (232) [system] peek_char((0x55772f068e50), ')')
   Call: (232) [system] ')'=(;)
   Fail: (232) [system] ')'=(;)
   Call: (232) [system] ')'=(/)
   Fail: (232) [system] ')'=(/)
^  Call: (232) [user] is_like_space(')')
   Call: (233) [system] char_type(')', 'white')
   Fail: (233) [system] char_type(')', 'white')
   Call: (233) [system] char_type(')', end_of_line)
   Fail: (233) [system] char_type(')', end_of_line)
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] char_type(')', cntrl)
   Fail: (233) [system] char_type(')', cntrl)
^  Fail: (232) [user] is_like_space(')')
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _98058)
   Exit: (231) [system] peek_char((0x55772f068e50), ')')
   Call: (231) [system] ')'=')'
   Exit: (231) [system] ')'=')'
   Call: (231) [system] get_char((0x55772f068e50), _101848)
   Exit: (231) [system] get_char((0x55772f068e50), ')')
   Call: (231) [system] _80190=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_list(')', (0x55772f068e50), [])
   Call: (230) [system] _6156=['C']
   Exit: (230) [system] ['C']=['C']
^  Exit: (229) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (229) [system] _6132=[['AndLink', 'A', 'B'], 'C']
   Exit: (229) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (228) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (228) [system] _6124=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (228) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (227) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (226) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (226) [user] read_list(')', (0x55772f068e50), _115730)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _117588)
   Exit: (228) [system] peek_char((0x55772f068e50), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
   Call: (228) [system] ')'=(/)
   Fail: (228) [system] ')'=(/)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _133598)
   Exit: (227) [system] peek_char((0x55772f068e50), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x55772f068e50), _137388)
   Exit: (227) [system] get_char((0x55772f068e50), ')')
   Call: (227) [system] _115730=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x55772f068e50), [])
   Call: (226) [system] _6120=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (226) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (225) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (225) [system] _6114=['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (225) [system] ['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (224) [user] read_list(')', (0x55772f068e50), ['A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (224) [system] _6106=['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (224) [system] ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (223) [user] read_list(')', (0x55772f068e50), ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (222) [user] read_list(')', (0x55772f068e50), _151270)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _153128)
   Exit: (224) [system] peek_char((0x55772f068e50), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
   Call: (224) [system] ')'=(/)
   Fail: (224) [system] ')'=(/)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _169138)
   Exit: (223) [system] peek_char((0x55772f068e50), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x55772f068e50), _172928)
   Exit: (223) [system] get_char((0x55772f068e50), ')')
   Call: (223) [system] _151270=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x55772f068e50), [])
   Call: (222) [system] _6102=[['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (222) [system] [['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (221) [user] read_list(')', (0x55772f068e50), [['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (221) [system] _6078=[['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (221) [system] [['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (220) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (220) [system] _6070=[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (220) [system] [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (219) [user] read_list(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (218) [user] read_list(')', (0x55772f068e50), _186810)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _188668)
   Exit: (220) [system] peek_char((0x55772f068e50), '\n')
   Call: (220) [system] '\n'=(;)
   Fail: (220) [system] '\n'=(;)
   Call: (220) [system] '\n'=(/)
   Fail: (220) [system] '\n'=(/)
^  Call: (220) [user] is_like_space('\n')
   Call: (221) [system] char_type('\n', 'white')
   Fail: (221) [system] char_type('\n', 'white')
   Call: (221) [system] char_type('\n', end_of_line)
   Exit: (221) [system] char_type('\n', end_of_line)
^  Exit: (220) [user] is_like_space('\n')
   Call: (220) [system] get_char((0x55772f068e50), _200118)
   Exit: (220) [system] get_char((0x55772f068e50), '\n')
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _202822)
   Exit: (221) [system] peek_char((0x55772f068e50), '\t')
   Call: (221) [system] '\t'=(;)
   Fail: (221) [system] '\t'=(;)
   Call: (221) [system] '\t'=(/)
   Fail: (221) [system] '\t'=(/)
^  Call: (221) [user] is_like_space('\t')
   Call: (222) [system] char_type('\t', 'white')
   Exit: (222) [system] char_type('\t', 'white')
^  Exit: (221) [user] is_like_space('\t')
   Call: (221) [system] get_char((0x55772f068e50), _212416)
   Exit: (221) [system] get_char((0x55772f068e50), '\t')
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _215120)
   Exit: (222) [system] peek_char((0x55772f068e50), '\t')
   Call: (222) [system] '\t'=(;)
   Fail: (222) [system] '\t'=(;)
   Call: (222) [system] '\t'=(/)
   Fail: (222) [system] '\t'=(/)
^  Call: (222) [user] is_like_space('\t')
   Call: (223) [system] char_type('\t', 'white')
   Exit: (223) [system] char_type('\t', 'white')
^  Exit: (222) [user] is_like_space('\t')
   Call: (222) [system] get_char((0x55772f068e50), _224714)
   Exit: (222) [system] get_char((0x55772f068e50), '\t')
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _227418)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x55772f068e50), _237012)
   Exit: (223) [system] get_char((0x55772f068e50), ' ')
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _239716)
   Exit: (224) [system] peek_char((0x55772f068e50), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _259422)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _264992)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _266850)
   Exit: (221) [system] peek_char((0x55772f068e50), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _282860)
   Exit: (220) [system] get_char((0x55772f068e50), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x55772f068e50), _264992)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _288430)
   Exit: (222) [system] peek_char((0x55772f068e50), :)
   Call: (222) [system] (:)=(;)
   Fail: (222) [system] (:)=(;)
   Call: (222) [system] (:)=(/)
   Fail: (222) [system] (:)=(/)
^  Call: (222) [user] is_like_space(:)
   Call: (223) [system] char_type(:, 'white')
   Fail: (223) [system] char_type(:, 'white')
   Call: (223) [system] char_type(:, end_of_line)
   Fail: (223) [system] char_type(:, end_of_line)
   Call: (223) [system] char_type(:, space)
   Fail: (223) [system] char_type(:, space)
   Call: (223) [system] char_type(:, cntrl)
   Fail: (223) [system] char_type(:, cntrl)
^  Fail: (222) [user] is_like_space(:)
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _304440)
   Exit: (221) [system] peek_char((0x55772f068e50), :)
   Call: (221) [system] (:)=')'
   Fail: (221) [system] (:)=')'
   Call: (221) [system] (:)=end_of_file
   Fail: (221) [system] (:)=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _310010)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _311868)
   Exit: (223) [system] peek_char((0x55772f068e50), :)
   Call: (223) [system] (:)=(;)
   Fail: (223) [system] (:)=(;)
   Call: (223) [system] (:)=(/)
   Fail: (223) [system] (:)=(/)
^  Call: (223) [user] is_like_space(:)
   Call: (224) [system] char_type(:, 'white')
   Fail: (224) [system] char_type(:, 'white')
   Call: (224) [system] char_type(:, end_of_line)
   Fail: (224) [system] char_type(:, end_of_line)
   Call: (224) [system] char_type(:, space)
   Fail: (224) [system] char_type(:, space)
   Call: (224) [system] char_type(:, cntrl)
   Fail: (224) [system] char_type(:, cntrl)
^  Fail: (223) [user] is_like_space(:)
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _327878)
   Exit: (222) [system] get_char((0x55772f068e50), :)
   Call: (222) [system] (:)='('
   Fail: (222) [system] (:)='('
   Call: (222) [system] (:)='['
   Fail: (222) [system] (:)='['
   Call: (222) [system] (:)='{'
   Fail: (222) [system] (:)='{'
   Call: (222) [system] (:)='"'
   Fail: (222) [system] (:)='"'
   Call: (222) [system] (:)=!
   Fail: (222) [system] (:)=!
   Call: (222) [system] (:)='\''
   Fail: (222) [system] (:)='\''
   Call: (222) [system] (:)='`'
   Fail: (222) [system] (:)='`'
   Call: (222) [system] (:)=end_of_file
   Fail: (222) [system] (:)=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x55772f068e50), :, _310010)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _345520)
   Call: (224) [system] peek_char((0x55772f068e50), _346454)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _345520=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (223) [user] classify_and_convert_charseq([:], _310010)
^  Call: (224) [user] classify_and_convert_charseq_([:], _355738)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_356690, _356692), once(user:catch(read_from_chars([:], _355738), _356672, fail)), '$restore_trace'(_356690, _356692))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_356690, _356692))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _356672, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(:)
   Exit: (225) [system] atomic(:)
^  Exit: (224) [user] classify_and_convert_charseq_([:], :)
   Call: (224) [system] integer(:)
   Fail: (224) [system] integer(:)
   Call: (224) [system] _310010=(:)
   Exit: (224) [system] (:)=(:)
^  Exit: (223) [user] classify_and_convert_charseq([:], :)
^  Exit: (222) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (221) [user] read_list(')', (0x55772f068e50), _368818)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _370676)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x55772f068e50), _380270)
   Exit: (223) [system] get_char((0x55772f068e50), ' ')
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _382974)
   Exit: (224) [system] peek_char((0x55772f068e50), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _399908)
   Exit: (222) [system] peek_char((0x55772f068e50), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _405478)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _407336)
   Exit: (224) [system] peek_char((0x55772f068e50), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _423346)
   Exit: (223) [system] get_char((0x55772f068e50), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x55772f068e50), _405478)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _428916)
   Exit: (225) [system] peek_char((0x55772f068e50), 'D')
   Call: (225) [system] 'D'=(;)
   Fail: (225) [system] 'D'=(;)
   Call: (225) [system] 'D'=(/)
   Fail: (225) [system] 'D'=(/)
^  Call: (225) [user] is_like_space('D')
   Call: (226) [system] char_type('D', 'white')
   Fail: (226) [system] char_type('D', 'white')
   Call: (226) [system] char_type('D', end_of_line)
   Fail: (226) [system] char_type('D', end_of_line)
   Call: (226) [system] char_type('D', space)
   Fail: (226) [system] char_type('D', space)
   Call: (226) [system] char_type('D', cntrl)
   Fail: (226) [system] char_type('D', cntrl)
^  Fail: (225) [user] is_like_space('D')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _444926)
   Exit: (224) [system] peek_char((0x55772f068e50), 'D')
   Call: (224) [system] 'D'=')'
   Fail: (224) [system] 'D'=')'
   Call: (224) [system] 'D'=end_of_file
   Fail: (224) [system] 'D'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x55772f068e50), _450496)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _452354)
   Exit: (226) [system] peek_char((0x55772f068e50), 'D')
   Call: (226) [system] 'D'=(;)
   Fail: (226) [system] 'D'=(;)
   Call: (226) [system] 'D'=(/)
   Fail: (226) [system] 'D'=(/)
^  Call: (226) [user] is_like_space('D')
   Call: (227) [system] char_type('D', 'white')
   Fail: (227) [system] char_type('D', 'white')
   Call: (227) [system] char_type('D', end_of_line)
   Fail: (227) [system] char_type('D', end_of_line)
   Call: (227) [system] char_type('D', space)
   Fail: (227) [system] char_type('D', space)
   Call: (227) [system] char_type('D', cntrl)
   Fail: (227) [system] char_type('D', cntrl)
^  Fail: (226) [user] is_like_space('D')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] get_char((0x55772f068e50), _468364)
   Exit: (225) [system] get_char((0x55772f068e50), 'D')
   Call: (225) [system] 'D'='('
   Fail: (225) [system] 'D'='('
   Call: (225) [system] 'D'='['
   Fail: (225) [system] 'D'='['
   Call: (225) [system] 'D'='{'
   Fail: (225) [system] 'D'='{'
   Call: (225) [system] 'D'='"'
   Fail: (225) [system] 'D'='"'
   Call: (225) [system] 'D'=!
   Fail: (225) [system] 'D'=!
   Call: (225) [system] 'D'='\''
   Fail: (225) [system] 'D'='\''
   Call: (225) [system] 'D'='`'
   Fail: (225) [system] 'D'='`'
   Call: (225) [system] 'D'=end_of_file
   Fail: (225) [system] 'D'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x55772f068e50), 'D', _450496)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _486006)
   Call: (227) [system] peek_char((0x55772f068e50), _486940)
   Exit: (227) [system] peek_char((0x55772f068e50), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_491660, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_492592, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x55772f068e50), i)
   Exit: (227) [system] get_char((0x55772f068e50), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _499942)
   Call: (228) [system] peek_char((0x55772f068e50), _500876)
   Exit: (228) [system] peek_char((0x55772f068e50), s)
^  Call: (228) [user] is_delimiter(s)
   Call: (229) [system] char_type(s, space)
   Fail: (229) [system] char_type(s, space)
   Call: (229) [system] arg(_505596, v('(', ')', end_of_file), s)
   Fail: (229) [system] arg(_506528, v('(', ')', end_of_file), s)
^  Fail: (228) [user] is_delimiter(s)
   Call: (228) [system] ')'==s
   Fail: (228) [system] ')'==s
   Call: (228) [system] get_char((0x55772f068e50), s)
   Exit: (228) [system] get_char((0x55772f068e50), s)
   Call: (228) [system] s=(\)
   Fail: (228) [system] s=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _513878)
   Call: (229) [system] peek_char((0x55772f068e50), _514812)
   Exit: (229) [system] peek_char((0x55772f068e50), j)
^  Call: (229) [user] is_delimiter(j)
   Call: (230) [system] char_type(j, space)
   Fail: (230) [system] char_type(j, space)
   Call: (230) [system] arg(_519532, v('(', ')', end_of_file), j)
   Fail: (230) [system] arg(_520464, v('(', ')', end_of_file), j)
^  Fail: (229) [user] is_delimiter(j)
   Call: (229) [system] ')'==j
   Fail: (229) [system] ')'==j
   Call: (229) [system] get_char((0x55772f068e50), j)
   Exit: (229) [system] get_char((0x55772f068e50), j)
   Call: (229) [system] j=(\)
   Fail: (229) [system] j=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _527814)
   Call: (230) [system] peek_char((0x55772f068e50), _528748)
   Exit: (230) [system] peek_char((0x55772f068e50), u)
^  Call: (230) [user] is_delimiter(u)
   Call: (231) [system] char_type(u, space)
   Fail: (231) [system] char_type(u, space)
   Call: (231) [system] arg(_533468, v('(', ')', end_of_file), u)
   Fail: (231) [system] arg(_534400, v('(', ')', end_of_file), u)
^  Fail: (230) [user] is_delimiter(u)
   Call: (230) [system] ')'==u
   Fail: (230) [system] ')'==u
   Call: (230) [system] get_char((0x55772f068e50), u)
   Exit: (230) [system] get_char((0x55772f068e50), u)
   Call: (230) [system] u=(\)
   Fail: (230) [system] u=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _541750)
   Call: (231) [system] peek_char((0x55772f068e50), _542684)
   Exit: (231) [system] peek_char((0x55772f068e50), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_547404, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_548336, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x55772f068e50), n)
   Exit: (231) [system] get_char((0x55772f068e50), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _555686)
   Call: (232) [system] peek_char((0x55772f068e50), _556620)
   Exit: (232) [system] peek_char((0x55772f068e50), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Fail: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_561340, v('(', ')', end_of_file), c)
   Fail: (233) [system] arg(_562272, v('(', ')', end_of_file), c)
^  Fail: (232) [user] is_delimiter(c)
   Call: (232) [system] ')'==c
   Fail: (232) [system] ')'==c
   Call: (232) [system] get_char((0x55772f068e50), c)
   Exit: (232) [system] get_char((0x55772f068e50), c)
   Call: (232) [system] c=(\)
   Fail: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _569622)
   Call: (233) [system] peek_char((0x55772f068e50), _570556)
   Exit: (233) [system] peek_char((0x55772f068e50), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Fail: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_575276, v('(', ')', end_of_file), t)
   Fail: (234) [system] arg(_576208, v('(', ')', end_of_file), t)
^  Fail: (233) [user] is_delimiter(t)
   Call: (233) [system] ')'==t
   Fail: (233) [system] ')'==t
   Call: (233) [system] get_char((0x55772f068e50), t)
   Exit: (233) [system] get_char((0x55772f068e50), t)
   Call: (233) [system] t=(\)
   Fail: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _583558)
   Call: (234) [system] peek_char((0x55772f068e50), _584492)
   Exit: (234) [system] peek_char((0x55772f068e50), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_589212, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_590144, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x55772f068e50), i)
   Exit: (234) [system] get_char((0x55772f068e50), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _597494)
   Call: (235) [system] peek_char((0x55772f068e50), _598428)
   Exit: (235) [system] peek_char((0x55772f068e50), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Fail: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_603148, v('(', ')', end_of_file), o)
   Fail: (236) [system] arg(_604080, v('(', ')', end_of_file), o)
^  Fail: (235) [user] is_delimiter(o)
   Call: (235) [system] ')'==o
   Fail: (235) [system] ')'==o
   Call: (235) [system] get_char((0x55772f068e50), o)
   Exit: (235) [system] get_char((0x55772f068e50), o)
   Call: (235) [system] o=(\)
   Fail: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _611430)
   Call: (236) [system] peek_char((0x55772f068e50), _612364)
   Exit: (236) [system] peek_char((0x55772f068e50), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_617084, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_618016, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x55772f068e50), n)
   Exit: (236) [system] get_char((0x55772f068e50), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _625366)
   Call: (237) [system] peek_char((0x55772f068e50), _626300)
   Exit: (237) [system] peek_char((0x55772f068e50), 'I')
^  Call: (237) [user] is_delimiter('I')
   Call: (238) [system] char_type('I', space)
   Fail: (238) [system] char_type('I', space)
   Call: (238) [system] arg(_631020, v('(', ')', end_of_file), 'I')
   Fail: (238) [system] arg(_631952, v('(', ')', end_of_file), 'I')
^  Fail: (237) [user] is_delimiter('I')
   Call: (237) [system] ')'=='I'
   Fail: (237) [system] ')'=='I'
   Call: (237) [system] get_char((0x55772f068e50), 'I')
   Exit: (237) [system] get_char((0x55772f068e50), 'I')
   Call: (237) [system] 'I'=(\)
   Fail: (237) [system] 'I'=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _639302)
   Call: (238) [system] peek_char((0x55772f068e50), _640236)
   Exit: (238) [system] peek_char((0x55772f068e50), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Fail: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_644956, v('(', ')', end_of_file), n)
   Fail: (239) [system] arg(_645888, v('(', ')', end_of_file), n)
^  Fail: (238) [user] is_delimiter(n)
   Call: (238) [system] ')'==n
   Fail: (238) [system] ')'==n
   Call: (238) [system] get_char((0x55772f068e50), n)
   Exit: (238) [system] get_char((0x55772f068e50), n)
   Call: (238) [system] n=(\)
   Fail: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _653238)
   Call: (239) [system] peek_char((0x55772f068e50), _654172)
   Exit: (239) [system] peek_char((0x55772f068e50), t)
^  Call: (239) [user] is_delimiter(t)
   Call: (240) [system] char_type(t, space)
   Fail: (240) [system] char_type(t, space)
   Call: (240) [system] arg(_658892, v('(', ')', end_of_file), t)
   Fail: (240) [system] arg(_659824, v('(', ')', end_of_file), t)
^  Fail: (239) [user] is_delimiter(t)
   Call: (239) [system] ')'==t
   Fail: (239) [system] ')'==t
   Call: (239) [system] get_char((0x55772f068e50), t)
   Exit: (239) [system] get_char((0x55772f068e50), t)
   Call: (239) [system] t=(\)
   Fail: (239) [system] t=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _667174)
   Call: (240) [system] peek_char((0x55772f068e50), _668108)
   Exit: (240) [system] peek_char((0x55772f068e50), r)
^  Call: (240) [user] is_delimiter(r)
   Call: (241) [system] char_type(r, space)
   Fail: (241) [system] char_type(r, space)
   Call: (241) [system] arg(_672828, v('(', ')', end_of_file), r)
   Fail: (241) [system] arg(_673760, v('(', ')', end_of_file), r)
^  Fail: (240) [user] is_delimiter(r)
   Call: (240) [system] ')'==r
   Fail: (240) [system] ')'==r
   Call: (240) [system] get_char((0x55772f068e50), r)
   Exit: (240) [system] get_char((0x55772f068e50), r)
   Call: (240) [system] r=(\)
   Fail: (240) [system] r=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _681110)
   Call: (241) [system] peek_char((0x55772f068e50), _682044)
   Exit: (241) [system] peek_char((0x55772f068e50), o)
^  Call: (241) [user] is_delimiter(o)
   Call: (242) [system] char_type(o, space)
   Fail: (242) [system] char_type(o, space)
   Call: (242) [system] arg(_686764, v('(', ')', end_of_file), o)
   Fail: (242) [system] arg(_687696, v('(', ')', end_of_file), o)
^  Fail: (241) [user] is_delimiter(o)
   Call: (241) [system] ')'==o
   Fail: (241) [system] ')'==o
   Call: (241) [system] get_char((0x55772f068e50), o)
   Exit: (241) [system] get_char((0x55772f068e50), o)
   Call: (241) [system] o=(\)
   Fail: (241) [system] o=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x55772f068e50), _695046)
   Call: (242) [system] peek_char((0x55772f068e50), _695980)
   Exit: (242) [system] peek_char((0x55772f068e50), d)
^  Call: (242) [user] is_delimiter(d)
   Call: (243) [system] char_type(d, space)
   Fail: (243) [system] char_type(d, space)
   Call: (243) [system] arg(_700700, v('(', ')', end_of_file), d)
   Fail: (243) [system] arg(_701632, v('(', ')', end_of_file), d)
^  Fail: (242) [user] is_delimiter(d)
   Call: (242) [system] ')'==d
   Fail: (242) [system] ')'==d
   Call: (242) [system] get_char((0x55772f068e50), d)
   Exit: (242) [system] get_char((0x55772f068e50), d)
   Call: (242) [system] d=(\)
   Fail: (242) [system] d=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x55772f068e50), _708982)
   Call: (243) [system] peek_char((0x55772f068e50), _709916)
   Exit: (243) [system] peek_char((0x55772f068e50), u)
^  Call: (243) [user] is_delimiter(u)
   Call: (244) [system] char_type(u, space)
   Fail: (244) [system] char_type(u, space)
   Call: (244) [system] arg(_714636, v('(', ')', end_of_file), u)
   Fail: (244) [system] arg(_715568, v('(', ')', end_of_file), u)
^  Fail: (243) [user] is_delimiter(u)
   Call: (243) [system] ')'==u
   Fail: (243) [system] ')'==u
   Call: (243) [system] get_char((0x55772f068e50), u)
   Exit: (243) [system] get_char((0x55772f068e50), u)
   Call: (243) [system] u=(\)
   Fail: (243) [system] u=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x55772f068e50), _722918)
   Call: (244) [system] peek_char((0x55772f068e50), _723852)
   Exit: (244) [system] peek_char((0x55772f068e50), c)
^  Call: (244) [user] is_delimiter(c)
   Call: (245) [system] char_type(c, space)
   Fail: (245) [system] char_type(c, space)
   Call: (245) [system] arg(_728572, v('(', ')', end_of_file), c)
   Fail: (245) [system] arg(_729504, v('(', ')', end_of_file), c)
^  Fail: (244) [user] is_delimiter(c)
   Call: (244) [system] ')'==c
   Fail: (244) [system] ')'==c
   Call: (244) [system] get_char((0x55772f068e50), c)
   Exit: (244) [system] get_char((0x55772f068e50), c)
   Call: (244) [system] c=(\)
   Fail: (244) [system] c=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x55772f068e50), _736854)
   Call: (245) [system] peek_char((0x55772f068e50), _737788)
   Exit: (245) [system] peek_char((0x55772f068e50), t)
^  Call: (245) [user] is_delimiter(t)
   Call: (246) [system] char_type(t, space)
   Fail: (246) [system] char_type(t, space)
   Call: (246) [system] arg(_742508, v('(', ')', end_of_file), t)
   Fail: (246) [system] arg(_743440, v('(', ')', end_of_file), t)
^  Fail: (245) [user] is_delimiter(t)
   Call: (245) [system] ')'==t
   Fail: (245) [system] ')'==t
   Call: (245) [system] get_char((0x55772f068e50), t)
   Exit: (245) [system] get_char((0x55772f068e50), t)
   Call: (245) [system] t=(\)
   Fail: (245) [system] t=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x55772f068e50), _750790)
   Call: (246) [system] peek_char((0x55772f068e50), _751724)
   Exit: (246) [system] peek_char((0x55772f068e50), i)
^  Call: (246) [user] is_delimiter(i)
   Call: (247) [system] char_type(i, space)
   Fail: (247) [system] char_type(i, space)
   Call: (247) [system] arg(_756444, v('(', ')', end_of_file), i)
   Fail: (247) [system] arg(_757376, v('(', ')', end_of_file), i)
^  Fail: (246) [user] is_delimiter(i)
   Call: (246) [system] ')'==i
   Fail: (246) [system] ')'==i
   Call: (246) [system] get_char((0x55772f068e50), i)
   Exit: (246) [system] get_char((0x55772f068e50), i)
   Call: (246) [system] i=(\)
   Fail: (246) [system] i=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x55772f068e50), _764726)
   Call: (247) [system] peek_char((0x55772f068e50), _765660)
   Exit: (247) [system] peek_char((0x55772f068e50), o)
^  Call: (247) [user] is_delimiter(o)
   Call: (248) [system] char_type(o, space)
   Fail: (248) [system] char_type(o, space)
   Call: (248) [system] arg(_770380, v('(', ')', end_of_file), o)
   Fail: (248) [system] arg(_771312, v('(', ')', end_of_file), o)
^  Fail: (247) [user] is_delimiter(o)
   Call: (247) [system] ')'==o
   Fail: (247) [system] ')'==o
   Call: (247) [system] get_char((0x55772f068e50), o)
   Exit: (247) [system] get_char((0x55772f068e50), o)
   Call: (247) [system] o=(\)
   Fail: (247) [system] o=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x55772f068e50), _778662)
   Call: (248) [system] peek_char((0x55772f068e50), _779596)
   Exit: (248) [system] peek_char((0x55772f068e50), n)
^  Call: (248) [user] is_delimiter(n)
   Call: (249) [system] char_type(n, space)
   Fail: (249) [system] char_type(n, space)
   Call: (249) [system] arg(_784316, v('(', ')', end_of_file), n)
   Fail: (249) [system] arg(_785248, v('(', ')', end_of_file), n)
^  Fail: (248) [user] is_delimiter(n)
   Call: (248) [system] ')'==n
   Fail: (248) [system] ')'==n
   Call: (248) [system] get_char((0x55772f068e50), n)
   Exit: (248) [system] get_char((0x55772f068e50), n)
   Call: (248) [system] n=(\)
   Fail: (248) [system] n=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x55772f068e50), _792598)
   Call: (249) [system] peek_char((0x55772f068e50), _793532)
   Exit: (249) [system] peek_char((0x55772f068e50), ' ')
^  Call: (249) [user] is_delimiter(' ')
   Call: (250) [system] char_type(' ', space)
   Exit: (250) [system] char_type(' ', space)
^  Exit: (249) [user] is_delimiter(' ')
   Call: (249) [system] _792598=[]
   Exit: (249) [system] []=[]
^  Exit: (248) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (248) [system] _778662=[n]
   Exit: (248) [system] [n]=[n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (247) [system] _764726=[o, n]
   Exit: (247) [system] [o, n]=[o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (246) [system] _750790=[i, o, n]
   Exit: (246) [system] [i, o, n]=[i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (245) [system] _736854=[t, i, o, n]
   Exit: (245) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (244) [system] _722918=[c, t, i, o, n]
   Exit: (244) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (243) [system] _708982=[u, c, t, i, o, n]
   Exit: (243) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (242) [system] _695046=[d, u, c, t, i, o, n]
   Exit: (242) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (241) [system] _681110=[o, d, u, c, t, i, o, n]
   Exit: (241) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (240) [system] _667174=[r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _653238=[t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _639302=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _625366=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _611430=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _597494=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _583558=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _569622=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _555686=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _541750=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _527814=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _513878=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _499942=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _486006=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (226) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _450496)
^  Call: (227) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _864284)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_865236, _865238), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _864284), _865218, fail)), '$restore_trace'(_865236, _865238))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_865236, _865238))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _864284), _865218, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_864284)
   Fail: (228) [system] atomic(_864284)
   Call: (228) [system] atom_chars(_864284, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (228) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (227) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (227) [system] integer('DisjunctionIntroduction')
   Fail: (227) [system] integer('DisjunctionIntroduction')
   Call: (227) [system] _450496='DisjunctionIntroduction'
   Exit: (227) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (226) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (225) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (224) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (224) [user] read_list(')', (0x55772f068e50), _879234)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _881092)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x55772f068e50), _890686)
   Exit: (226) [system] get_char((0x55772f068e50), ' ')
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _893390)
   Exit: (227) [system] peek_char((0x55772f068e50), a)
   Call: (227) [system] a=(;)
   Fail: (227) [system] a=(;)
   Call: (227) [system] a=(/)
   Fail: (227) [system] a=(/)
^  Call: (227) [user] is_like_space(a)
   Call: (228) [system] char_type(a, 'white')
   Fail: (228) [system] char_type(a, 'white')
   Call: (228) [system] char_type(a, end_of_line)
   Fail: (228) [system] char_type(a, end_of_line)
   Call: (228) [system] char_type(a, space)
   Fail: (228) [system] char_type(a, space)
   Call: (228) [system] char_type(a, cntrl)
   Fail: (228) [system] char_type(a, cntrl)
^  Fail: (227) [user] is_like_space(a)
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _910324)
   Exit: (225) [system] peek_char((0x55772f068e50), a)
   Call: (225) [system] a=')'
   Fail: (225) [system] a=')'
   Call: (225) [system] a=end_of_file
   Fail: (225) [system] a=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x55772f068e50), _915894)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _917752)
   Exit: (227) [system] peek_char((0x55772f068e50), a)
   Call: (227) [system] a=(;)
   Fail: (227) [system] a=(;)
   Call: (227) [system] a=(/)
   Fail: (227) [system] a=(/)
^  Call: (227) [user] is_like_space(a)
   Call: (228) [system] char_type(a, 'white')
   Fail: (228) [system] char_type(a, 'white')
   Call: (228) [system] char_type(a, end_of_line)
   Fail: (228) [system] char_type(a, end_of_line)
   Call: (228) [system] char_type(a, space)
   Fail: (228) [system] char_type(a, space)
   Call: (228) [system] char_type(a, cntrl)
   Fail: (228) [system] char_type(a, cntrl)
^  Fail: (227) [user] is_like_space(a)
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] get_char((0x55772f068e50), _933762)
   Exit: (226) [system] get_char((0x55772f068e50), a)
   Call: (226) [system] a='('
   Fail: (226) [system] a='('
   Call: (226) [system] a='['
   Fail: (226) [system] a='['
   Call: (226) [system] a='{'
   Fail: (226) [system] a='{'
   Call: (226) [system] a='"'
   Fail: (226) [system] a='"'
   Call: (226) [system] a=!
   Fail: (226) [system] a=!
   Call: (226) [system] a='\''
   Fail: (226) [system] a='\''
   Call: (226) [system] a='`'
   Fail: (226) [system] a='`'
   Call: (226) [system] a=end_of_file
   Fail: (226) [system] a=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x55772f068e50), a, _915894)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _951404)
   Call: (228) [system] peek_char((0x55772f068e50), _952338)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _951404=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (227) [user] classify_and_convert_charseq([a], _915894)
^  Call: (228) [user] classify_and_convert_charseq_([a], _961622)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_962574, _962576), once(user:catch(read_from_chars([a], _961622), _962556, fail)), '$restore_trace'(_962574, _962576))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_962574, _962576))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _962556, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(a)
   Exit: (229) [system] atomic(a)
^  Exit: (228) [user] classify_and_convert_charseq_([a], a)
   Call: (228) [system] integer(a)
   Fail: (228) [system] integer(a)
   Call: (228) [system] _915894=a
   Exit: (228) [system] a=a
^  Exit: (227) [user] classify_and_convert_charseq([a], a)
^  Exit: (226) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (225) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (225) [user] read_list(')', (0x55772f068e50), _974702)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _976560)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x55772f068e50), _986154)
   Exit: (227) [system] get_char((0x55772f068e50), ' ')
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _988858)
   Exit: (228) [system] peek_char((0x55772f068e50), c)
   Call: (228) [system] c=(;)
   Fail: (228) [system] c=(;)
   Call: (228) [system] c=(/)
   Fail: (228) [system] c=(/)
^  Call: (228) [user] is_like_space(c)
   Call: (229) [system] char_type(c, 'white')
   Fail: (229) [system] char_type(c, 'white')
   Call: (229) [system] char_type(c, end_of_line)
   Fail: (229) [system] char_type(c, end_of_line)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] char_type(c, cntrl)
   Fail: (229) [system] char_type(c, cntrl)
^  Fail: (228) [user] is_like_space(c)
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1005792)
   Exit: (226) [system] peek_char((0x55772f068e50), c)
   Call: (226) [system] c=')'
   Fail: (226) [system] c=')'
   Call: (226) [system] c=end_of_file
   Fail: (226) [system] c=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x55772f068e50), _1011362)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1013220)
   Exit: (228) [system] peek_char((0x55772f068e50), c)
   Call: (228) [system] c=(;)
   Fail: (228) [system] c=(;)
   Call: (228) [system] c=(/)
   Fail: (228) [system] c=(/)
^  Call: (228) [user] is_like_space(c)
   Call: (229) [system] char_type(c, 'white')
   Fail: (229) [system] char_type(c, 'white')
   Call: (229) [system] char_type(c, end_of_line)
   Fail: (229) [system] char_type(c, end_of_line)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] char_type(c, cntrl)
   Fail: (229) [system] char_type(c, cntrl)
^  Fail: (228) [user] is_like_space(c)
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] get_char((0x55772f068e50), _1029230)
   Exit: (227) [system] get_char((0x55772f068e50), c)
   Call: (227) [system] c='('
   Fail: (227) [system] c='('
   Call: (227) [system] c='['
   Fail: (227) [system] c='['
   Call: (227) [system] c='{'
   Fail: (227) [system] c='{'
   Call: (227) [system] c='"'
   Fail: (227) [system] c='"'
   Call: (227) [system] c=!
   Fail: (227) [system] c=!
   Call: (227) [system] c='\''
   Fail: (227) [system] c='\''
   Call: (227) [system] c='`'
   Fail: (227) [system] c='`'
   Call: (227) [system] c=end_of_file
   Fail: (227) [system] c=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x55772f068e50), c, _1011362)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1046872)
   Call: (229) [system] peek_char((0x55772f068e50), _1047806)
   Exit: (229) [system] peek_char((0x55772f068e50), d)
^  Call: (229) [user] is_delimiter(d)
   Call: (230) [system] char_type(d, space)
   Fail: (230) [system] char_type(d, space)
   Call: (230) [system] arg(_1052526, v('(', ')', end_of_file), d)
   Fail: (230) [system] arg(_1053458, v('(', ')', end_of_file), d)
^  Fail: (229) [user] is_delimiter(d)
   Call: (229) [system] ')'==d
   Fail: (229) [system] ')'==d
   Call: (229) [system] get_char((0x55772f068e50), d)
   Exit: (229) [system] get_char((0x55772f068e50), d)
   Call: (229) [system] d=(\)
   Fail: (229) [system] d=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1060808)
   Call: (230) [system] peek_char((0x55772f068e50), _1061742)
   Exit: (230) [system] peek_char((0x55772f068e50), e)
^  Call: (230) [user] is_delimiter(e)
   Call: (231) [system] char_type(e, space)
   Fail: (231) [system] char_type(e, space)
   Call: (231) [system] arg(_1066462, v('(', ')', end_of_file), e)
   Fail: (231) [system] arg(_1067394, v('(', ')', end_of_file), e)
^  Fail: (230) [user] is_delimiter(e)
   Call: (230) [system] ')'==e
   Fail: (230) [system] ')'==e
   Call: (230) [system] get_char((0x55772f068e50), e)
   Exit: (230) [system] get_char((0x55772f068e50), e)
   Call: (230) [system] e=(\)
   Fail: (230) [system] e=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1074744)
   Call: (231) [system] peek_char((0x55772f068e50), _1075678)
   Exit: (231) [system] peek_char((0x55772f068e50), ')')
^  Call: (231) [user] is_delimiter(')')
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] arg(_1080398, v('(', ')', end_of_file), ')')
   Exit: (232) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (231) [user] is_delimiter(')')
   Call: (231) [system] _1074744=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (230) [system] _1060808=[e]
   Exit: (230) [system] [e]=[e]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (229) [system] _1046872=[d, e]
   Exit: (229) [system] [d, e]=[d, e]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [d, e])
^  Call: (228) [user] classify_and_convert_charseq([c, d, e], _1011362)
^  Call: (229) [user] classify_and_convert_charseq_([c, d, e], _1092422)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1093374, _1093376), once(user:catch(read_from_chars([c, d, e], _1092422), _1093356, fail)), '$restore_trace'(_1093374, _1093376))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1093374, _1093376))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1093356, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(cde)
   Exit: (230) [system] atomic(cde)
^  Exit: (229) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (229) [system] integer(cde)
   Fail: (229) [system] integer(cde)
   Call: (229) [system] _1011362=cde
   Exit: (229) [system] cde=cde
^  Exit: (228) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (227) [user] read_symbolic(')', (0x55772f068e50), c, cde)
^  Exit: (226) [user] cont_sexpr(')', (0x55772f068e50), cde)
^  Call: (226) [user] read_list(')', (0x55772f068e50), _1105502)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1107360)
   Exit: (228) [system] peek_char((0x55772f068e50), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
   Call: (228) [system] ')'=(/)
   Fail: (228) [system] ')'=(/)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1123370)
   Exit: (227) [system] peek_char((0x55772f068e50), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x55772f068e50), _1127160)
   Exit: (227) [system] get_char((0x55772f068e50), ')')
   Call: (227) [system] _1105502=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x55772f068e50), [])
   Call: (226) [system] _974702=[cde]
   Exit: (226) [system] [cde]=[cde]
^  Exit: (225) [user] read_list(')', (0x55772f068e50), [cde])
   Call: (225) [system] _879234=[a, cde]
   Exit: (225) [system] [a, cde]=[a, cde]
^  Exit: (224) [user] read_list(')', (0x55772f068e50), [a, cde])
   Call: (224) [system] _405478=['DisjunctionIntroduction', a, cde]
   Exit: (224) [system] ['DisjunctionIntroduction', a, cde]=['DisjunctionIntroduction', a, cde]
^  Exit: (223) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', a, cde])
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', a, cde])
^  Call: (222) [user] read_list(')', (0x55772f068e50), _1141042)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1142900)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x55772f068e50), _1152494)
   Exit: (224) [system] get_char((0x55772f068e50), ' ')
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1155198)
   Exit: (225) [system] peek_char((0x55772f068e50), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1172132)
   Exit: (223) [system] peek_char((0x55772f068e50), '(')
   Call: (223) [system] '('=')'
   Fail: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
   Fail: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x55772f068e50), _1177702)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1179560)
   Exit: (225) [system] peek_char((0x55772f068e50), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] get_char((0x55772f068e50), _1195570)
   Exit: (224) [system] get_char((0x55772f068e50), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x55772f068e50), _1177702)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1201140)
   Exit: (226) [system] peek_char((0x55772f068e50), 'O')
   Call: (226) [system] 'O'=(;)
   Fail: (226) [system] 'O'=(;)
   Call: (226) [system] 'O'=(/)
   Fail: (226) [system] 'O'=(/)
^  Call: (226) [user] is_like_space('O')
   Call: (227) [system] char_type('O', 'white')
   Fail: (227) [system] char_type('O', 'white')
   Call: (227) [system] char_type('O', end_of_line)
   Fail: (227) [system] char_type('O', end_of_line)
   Call: (227) [system] char_type('O', space)
   Fail: (227) [system] char_type('O', space)
   Call: (227) [system] char_type('O', cntrl)
   Fail: (227) [system] char_type('O', cntrl)
^  Fail: (226) [user] is_like_space('O')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1217150)
   Exit: (225) [system] peek_char((0x55772f068e50), 'O')
   Call: (225) [system] 'O'=')'
   Fail: (225) [system] 'O'=')'
   Call: (225) [system] 'O'=end_of_file
   Fail: (225) [system] 'O'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x55772f068e50), _1222720)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1224578)
   Exit: (227) [system] peek_char((0x55772f068e50), 'O')
   Call: (227) [system] 'O'=(;)
   Fail: (227) [system] 'O'=(;)
   Call: (227) [system] 'O'=(/)
   Fail: (227) [system] 'O'=(/)
^  Call: (227) [user] is_like_space('O')
   Call: (228) [system] char_type('O', 'white')
   Fail: (228) [system] char_type('O', 'white')
   Call: (228) [system] char_type('O', end_of_line)
   Fail: (228) [system] char_type('O', end_of_line)
   Call: (228) [system] char_type('O', space)
   Fail: (228) [system] char_type('O', space)
   Call: (228) [system] char_type('O', cntrl)
   Fail: (228) [system] char_type('O', cntrl)
^  Fail: (227) [user] is_like_space('O')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] get_char((0x55772f068e50), _1240588)
   Exit: (226) [system] get_char((0x55772f068e50), 'O')
   Call: (226) [system] 'O'='('
   Fail: (226) [system] 'O'='('
   Call: (226) [system] 'O'='['
   Fail: (226) [system] 'O'='['
   Call: (226) [system] 'O'='{'
   Fail: (226) [system] 'O'='{'
   Call: (226) [system] 'O'='"'
   Fail: (226) [system] 'O'='"'
   Call: (226) [system] 'O'=!
   Fail: (226) [system] 'O'=!
   Call: (226) [system] 'O'='\''
   Fail: (226) [system] 'O'='\''
   Call: (226) [system] 'O'='`'
   Fail: (226) [system] 'O'='`'
   Call: (226) [system] 'O'=end_of_file
   Fail: (226) [system] 'O'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x55772f068e50), 'O', _1222720)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1258230)
   Call: (228) [system] peek_char((0x55772f068e50), _1259164)
   Exit: (228) [system] peek_char((0x55772f068e50), r)
^  Call: (228) [user] is_delimiter(r)
   Call: (229) [system] char_type(r, space)
   Fail: (229) [system] char_type(r, space)
   Call: (229) [system] arg(_1263884, v('(', ')', end_of_file), r)
   Fail: (229) [system] arg(_1264816, v('(', ')', end_of_file), r)
^  Fail: (228) [user] is_delimiter(r)
   Call: (228) [system] ')'==r
   Fail: (228) [system] ')'==r
   Call: (228) [system] get_char((0x55772f068e50), r)
   Exit: (228) [system] get_char((0x55772f068e50), r)
   Call: (228) [system] r=(\)
   Fail: (228) [system] r=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1272166)
   Call: (229) [system] peek_char((0x55772f068e50), _1273100)
   Exit: (229) [system] peek_char((0x55772f068e50), 'L')
^  Call: (229) [user] is_delimiter('L')
   Call: (230) [system] char_type('L', space)
   Fail: (230) [system] char_type('L', space)
   Call: (230) [system] arg(_1277820, v('(', ')', end_of_file), 'L')
   Fail: (230) [system] arg(_1278752, v('(', ')', end_of_file), 'L')
^  Fail: (229) [user] is_delimiter('L')
   Call: (229) [system] ')'=='L'
   Fail: (229) [system] ')'=='L'
   Call: (229) [system] get_char((0x55772f068e50), 'L')
   Exit: (229) [system] get_char((0x55772f068e50), 'L')
   Call: (229) [system] 'L'=(\)
   Fail: (229) [system] 'L'=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1286102)
   Call: (230) [system] peek_char((0x55772f068e50), _1287036)
   Exit: (230) [system] peek_char((0x55772f068e50), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1291756, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_1292688, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x55772f068e50), i)
   Exit: (230) [system] get_char((0x55772f068e50), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1300038)
   Call: (231) [system] peek_char((0x55772f068e50), _1300972)
   Exit: (231) [system] peek_char((0x55772f068e50), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1305692, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1306624, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x55772f068e50), n)
   Exit: (231) [system] get_char((0x55772f068e50), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1313974)
   Call: (232) [system] peek_char((0x55772f068e50), _1314908)
   Exit: (232) [system] peek_char((0x55772f068e50), k)
^  Call: (232) [user] is_delimiter(k)
   Call: (233) [system] char_type(k, space)
   Fail: (233) [system] char_type(k, space)
   Call: (233) [system] arg(_1319628, v('(', ')', end_of_file), k)
   Fail: (233) [system] arg(_1320560, v('(', ')', end_of_file), k)
^  Fail: (232) [user] is_delimiter(k)
   Call: (232) [system] ')'==k
   Fail: (232) [system] ')'==k
   Call: (232) [system] get_char((0x55772f068e50), k)
   Exit: (232) [system] get_char((0x55772f068e50), k)
   Call: (232) [system] k=(\)
   Fail: (232) [system] k=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1327910)
   Call: (233) [system] peek_char((0x55772f068e50), _1328844)
   Exit: (233) [system] peek_char((0x55772f068e50), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _1327910=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (232) [system] _1313974=[k]
   Exit: (232) [system] [k]=[k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (231) [system] _1300038=[n, k]
   Exit: (231) [system] [n, k]=[n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (230) [system] _1286102=[i, n, k]
   Exit: (230) [system] [i, n, k]=[i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (229) [system] _1272166=['L', i, n, k]
   Exit: (229) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (228) [system] _1258230=[r, 'L', i, n, k]
   Exit: (228) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (227) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1222720)
^  Call: (228) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1352098)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1353050, _1353052), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1352098), _1353032, fail)), '$restore_trace'(_1353050, _1353052))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1353050, _1353052))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1352098), _1353032, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1352098)
   Fail: (229) [system] atomic(_1352098)
   Call: (229) [system] atom_chars(_1352098, ['O', r, 'L', i, n, k])
   Exit: (229) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (228) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (228) [system] integer('OrLink')
   Fail: (228) [system] integer('OrLink')
   Call: (228) [system] _1222720='OrLink'
   Exit: (228) [system] 'OrLink'='OrLink'
^  Exit: (227) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (226) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (225) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (225) [user] read_list(')', (0x55772f068e50), _1367048)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1368906)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x55772f068e50), _1378500)
   Exit: (227) [system] get_char((0x55772f068e50), ' ')
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1381204)
   Exit: (228) [system] peek_char((0x55772f068e50), 'A')
   Call: (228) [system] 'A'=(;)
   Fail: (228) [system] 'A'=(;)
   Call: (228) [system] 'A'=(/)
   Fail: (228) [system] 'A'=(/)
^  Call: (228) [user] is_like_space('A')
   Call: (229) [system] char_type('A', 'white')
   Fail: (229) [system] char_type('A', 'white')
   Call: (229) [system] char_type('A', end_of_line)
   Fail: (229) [system] char_type('A', end_of_line)
   Call: (229) [system] char_type('A', space)
   Fail: (229) [system] char_type('A', space)
   Call: (229) [system] char_type('A', cntrl)
   Fail: (229) [system] char_type('A', cntrl)
^  Fail: (228) [user] is_like_space('A')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1398138)
   Exit: (226) [system] peek_char((0x55772f068e50), 'A')
   Call: (226) [system] 'A'=')'
   Fail: (226) [system] 'A'=')'
   Call: (226) [system] 'A'=end_of_file
   Fail: (226) [system] 'A'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x55772f068e50), _1403708)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1405566)
   Exit: (228) [system] peek_char((0x55772f068e50), 'A')
   Call: (228) [system] 'A'=(;)
   Fail: (228) [system] 'A'=(;)
   Call: (228) [system] 'A'=(/)
   Fail: (228) [system] 'A'=(/)
^  Call: (228) [user] is_like_space('A')
   Call: (229) [system] char_type('A', 'white')
   Fail: (229) [system] char_type('A', 'white')
   Call: (229) [system] char_type('A', end_of_line)
   Fail: (229) [system] char_type('A', end_of_line)
   Call: (229) [system] char_type('A', space)
   Fail: (229) [system] char_type('A', space)
   Call: (229) [system] char_type('A', cntrl)
   Fail: (229) [system] char_type('A', cntrl)
^  Fail: (228) [user] is_like_space('A')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] get_char((0x55772f068e50), _1421576)
   Exit: (227) [system] get_char((0x55772f068e50), 'A')
   Call: (227) [system] 'A'='('
   Fail: (227) [system] 'A'='('
   Call: (227) [system] 'A'='['
   Fail: (227) [system] 'A'='['
   Call: (227) [system] 'A'='{'
   Fail: (227) [system] 'A'='{'
   Call: (227) [system] 'A'='"'
   Fail: (227) [system] 'A'='"'
   Call: (227) [system] 'A'=!
   Fail: (227) [system] 'A'=!
   Call: (227) [system] 'A'='\''
   Fail: (227) [system] 'A'='\''
   Call: (227) [system] 'A'='`'
   Fail: (227) [system] 'A'='`'
   Call: (227) [system] 'A'=end_of_file
   Fail: (227) [system] 'A'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x55772f068e50), 'A', _1403708)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1439218)
   Call: (229) [system] peek_char((0x55772f068e50), _1440152)
   Exit: (229) [system] peek_char((0x55772f068e50), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _1439218=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (228) [user] classify_and_convert_charseq(['A'], _1403708)
^  Call: (229) [user] classify_and_convert_charseq_(['A'], _1449436)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1450388, _1450390), once(user:catch(read_from_chars(['A'], _1449436), _1450370, fail)), '$restore_trace'(_1450388, _1450390))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1450388, _1450390))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1449436), _1450370, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1449436)
   Fail: (230) [system] atomic(_1449436)
   Call: (230) [system] atom_chars(_1449436, ['A'])
   Exit: (230) [system] atom_chars('A', ['A'])
^  Exit: (229) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (229) [system] integer('A')
   Fail: (229) [system] integer('A')
   Call: (229) [system] _1403708='A'
   Exit: (229) [system] 'A'='A'
^  Exit: (228) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (227) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (226) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (226) [user] read_list(')', (0x55772f068e50), _1464386)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1466244)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x55772f068e50), _1475838)
   Exit: (228) [system] get_char((0x55772f068e50), ' ')
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1478542)
   Exit: (229) [system] peek_char((0x55772f068e50), '(')
   Call: (229) [system] '('=(;)
   Fail: (229) [system] '('=(;)
   Call: (229) [system] '('=(/)
   Fail: (229) [system] '('=(/)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Fail: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Fail: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Fail: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
   Fail: (230) [system] char_type('(', cntrl)
^  Fail: (229) [user] is_like_space('(')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1495476)
   Exit: (227) [system] peek_char((0x55772f068e50), '(')
   Call: (227) [system] '('=')'
   Fail: (227) [system] '('=')'
   Call: (227) [system] '('=end_of_file
   Fail: (227) [system] '('=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x55772f068e50), _1501046)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1502904)
   Exit: (229) [system] peek_char((0x55772f068e50), '(')
   Call: (229) [system] '('=(;)
   Fail: (229) [system] '('=(;)
   Call: (229) [system] '('=(/)
   Fail: (229) [system] '('=(/)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Fail: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Fail: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Fail: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
   Fail: (230) [system] char_type('(', cntrl)
^  Fail: (229) [user] is_like_space('(')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] get_char((0x55772f068e50), _1518914)
   Exit: (228) [system] get_char((0x55772f068e50), '(')
   Call: (228) [system] '('='('
   Exit: (228) [system] '('='('
^  Call: (228) [user] read_list(')', (0x55772f068e50), _1501046)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1524484)
   Exit: (230) [system] peek_char((0x55772f068e50), 'I')
   Call: (230) [system] 'I'=(;)
   Fail: (230) [system] 'I'=(;)
   Call: (230) [system] 'I'=(/)
   Fail: (230) [system] 'I'=(/)
^  Call: (230) [user] is_like_space('I')
   Call: (231) [system] char_type('I', 'white')
   Fail: (231) [system] char_type('I', 'white')
   Call: (231) [system] char_type('I', end_of_line)
   Fail: (231) [system] char_type('I', end_of_line)
   Call: (231) [system] char_type('I', space)
   Fail: (231) [system] char_type('I', space)
   Call: (231) [system] char_type('I', cntrl)
   Fail: (231) [system] char_type('I', cntrl)
^  Fail: (230) [user] is_like_space('I')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1540494)
   Exit: (229) [system] peek_char((0x55772f068e50), 'I')
   Call: (229) [system] 'I'=')'
   Fail: (229) [system] 'I'=')'
   Call: (229) [system] 'I'=end_of_file
   Fail: (229) [system] 'I'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x55772f068e50), _1546064)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1547922)
   Exit: (231) [system] peek_char((0x55772f068e50), 'I')
   Call: (231) [system] 'I'=(;)
   Fail: (231) [system] 'I'=(;)
   Call: (231) [system] 'I'=(/)
   Fail: (231) [system] 'I'=(/)
^  Call: (231) [user] is_like_space('I')
   Call: (232) [system] char_type('I', 'white')
   Fail: (232) [system] char_type('I', 'white')
   Call: (232) [system] char_type('I', end_of_line)
   Fail: (232) [system] char_type('I', end_of_line)
   Call: (232) [system] char_type('I', space)
   Fail: (232) [system] char_type('I', space)
   Call: (232) [system] char_type('I', cntrl)
   Fail: (232) [system] char_type('I', cntrl)
^  Fail: (231) [user] is_like_space('I')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] get_char((0x55772f068e50), _1563932)
   Exit: (230) [system] get_char((0x55772f068e50), 'I')
   Call: (230) [system] 'I'='('
   Fail: (230) [system] 'I'='('
   Call: (230) [system] 'I'='['
   Fail: (230) [system] 'I'='['
   Call: (230) [system] 'I'='{'
   Fail: (230) [system] 'I'='{'
   Call: (230) [system] 'I'='"'
   Fail: (230) [system] 'I'='"'
   Call: (230) [system] 'I'=!
   Fail: (230) [system] 'I'=!
   Call: (230) [system] 'I'='\''
   Fail: (230) [system] 'I'='\''
   Call: (230) [system] 'I'='`'
   Fail: (230) [system] 'I'='`'
   Call: (230) [system] 'I'=end_of_file
   Fail: (230) [system] 'I'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x55772f068e50), 'I', _1546064)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1581574)
   Call: (232) [system] peek_char((0x55772f068e50), _1582508)
   Exit: (232) [system] peek_char((0x55772f068e50), m)
^  Call: (232) [user] is_delimiter(m)
   Call: (233) [system] char_type(m, space)
   Fail: (233) [system] char_type(m, space)
   Call: (233) [system] arg(_1587228, v('(', ')', end_of_file), m)
   Fail: (233) [system] arg(_1588160, v('(', ')', end_of_file), m)
^  Fail: (232) [user] is_delimiter(m)
   Call: (232) [system] ')'==m
   Fail: (232) [system] ')'==m
   Call: (232) [system] get_char((0x55772f068e50), m)
   Exit: (232) [system] get_char((0x55772f068e50), m)
   Call: (232) [system] m=(\)
   Fail: (232) [system] m=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1595510)
   Call: (233) [system] peek_char((0x55772f068e50), _1596444)
   Exit: (233) [system] peek_char((0x55772f068e50), p)
^  Call: (233) [user] is_delimiter(p)
   Call: (234) [system] char_type(p, space)
   Fail: (234) [system] char_type(p, space)
   Call: (234) [system] arg(_1601164, v('(', ')', end_of_file), p)
   Fail: (234) [system] arg(_1602096, v('(', ')', end_of_file), p)
^  Fail: (233) [user] is_delimiter(p)
   Call: (233) [system] ')'==p
   Fail: (233) [system] ')'==p
   Call: (233) [system] get_char((0x55772f068e50), p)
   Exit: (233) [system] get_char((0x55772f068e50), p)
   Call: (233) [system] p=(\)
   Fail: (233) [system] p=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1609446)
   Call: (234) [system] peek_char((0x55772f068e50), _1610380)
   Exit: (234) [system] peek_char((0x55772f068e50), l)
^  Call: (234) [user] is_delimiter(l)
   Call: (235) [system] char_type(l, space)
   Fail: (235) [system] char_type(l, space)
   Call: (235) [system] arg(_1615100, v('(', ')', end_of_file), l)
   Fail: (235) [system] arg(_1616032, v('(', ')', end_of_file), l)
^  Fail: (234) [user] is_delimiter(l)
   Call: (234) [system] ')'==l
   Fail: (234) [system] ')'==l
   Call: (234) [system] get_char((0x55772f068e50), l)
   Exit: (234) [system] get_char((0x55772f068e50), l)
   Call: (234) [system] l=(\)
   Fail: (234) [system] l=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1623382)
   Call: (235) [system] peek_char((0x55772f068e50), _1624316)
   Exit: (235) [system] peek_char((0x55772f068e50), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Fail: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_1629036, v('(', ')', end_of_file), i)
   Fail: (236) [system] arg(_1629968, v('(', ')', end_of_file), i)
^  Fail: (235) [user] is_delimiter(i)
   Call: (235) [system] ')'==i
   Fail: (235) [system] ')'==i
   Call: (235) [system] get_char((0x55772f068e50), i)
   Exit: (235) [system] get_char((0x55772f068e50), i)
   Call: (235) [system] i=(\)
   Fail: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1637318)
   Call: (236) [system] peek_char((0x55772f068e50), _1638252)
   Exit: (236) [system] peek_char((0x55772f068e50), c)
^  Call: (236) [user] is_delimiter(c)
   Call: (237) [system] char_type(c, space)
   Fail: (237) [system] char_type(c, space)
   Call: (237) [system] arg(_1642972, v('(', ')', end_of_file), c)
   Fail: (237) [system] arg(_1643904, v('(', ')', end_of_file), c)
^  Fail: (236) [user] is_delimiter(c)
   Call: (236) [system] ')'==c
   Fail: (236) [system] ')'==c
   Call: (236) [system] get_char((0x55772f068e50), c)
   Exit: (236) [system] get_char((0x55772f068e50), c)
   Call: (236) [system] c=(\)
   Fail: (236) [system] c=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1651254)
   Call: (237) [system] peek_char((0x55772f068e50), _1652188)
   Exit: (237) [system] peek_char((0x55772f068e50), a)
^  Call: (237) [user] is_delimiter(a)
   Call: (238) [system] char_type(a, space)
   Fail: (238) [system] char_type(a, space)
   Call: (238) [system] arg(_1656908, v('(', ')', end_of_file), a)
   Fail: (238) [system] arg(_1657840, v('(', ')', end_of_file), a)
^  Fail: (237) [user] is_delimiter(a)
   Call: (237) [system] ')'==a
   Fail: (237) [system] ')'==a
   Call: (237) [system] get_char((0x55772f068e50), a)
   Exit: (237) [system] get_char((0x55772f068e50), a)
   Call: (237) [system] a=(\)
   Fail: (237) [system] a=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _1665190)
   Call: (238) [system] peek_char((0x55772f068e50), _1666124)
   Exit: (238) [system] peek_char((0x55772f068e50), t)
^  Call: (238) [user] is_delimiter(t)
   Call: (239) [system] char_type(t, space)
   Fail: (239) [system] char_type(t, space)
   Call: (239) [system] arg(_1670844, v('(', ')', end_of_file), t)
   Fail: (239) [system] arg(_1671776, v('(', ')', end_of_file), t)
^  Fail: (238) [user] is_delimiter(t)
   Call: (238) [system] ')'==t
   Fail: (238) [system] ')'==t
   Call: (238) [system] get_char((0x55772f068e50), t)
   Exit: (238) [system] get_char((0x55772f068e50), t)
   Call: (238) [system] t=(\)
   Fail: (238) [system] t=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _1679126)
   Call: (239) [system] peek_char((0x55772f068e50), _1680060)
   Exit: (239) [system] peek_char((0x55772f068e50), i)
^  Call: (239) [user] is_delimiter(i)
   Call: (240) [system] char_type(i, space)
   Fail: (240) [system] char_type(i, space)
   Call: (240) [system] arg(_1684780, v('(', ')', end_of_file), i)
   Fail: (240) [system] arg(_1685712, v('(', ')', end_of_file), i)
^  Fail: (239) [user] is_delimiter(i)
   Call: (239) [system] ')'==i
   Fail: (239) [system] ')'==i
   Call: (239) [system] get_char((0x55772f068e50), i)
   Exit: (239) [system] get_char((0x55772f068e50), i)
   Call: (239) [system] i=(\)
   Fail: (239) [system] i=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _1693062)
   Call: (240) [system] peek_char((0x55772f068e50), _1693996)
   Exit: (240) [system] peek_char((0x55772f068e50), o)
^  Call: (240) [user] is_delimiter(o)
   Call: (241) [system] char_type(o, space)
   Fail: (241) [system] char_type(o, space)
   Call: (241) [system] arg(_1698716, v('(', ')', end_of_file), o)
   Fail: (241) [system] arg(_1699648, v('(', ')', end_of_file), o)
^  Fail: (240) [user] is_delimiter(o)
   Call: (240) [system] ')'==o
   Fail: (240) [system] ')'==o
   Call: (240) [system] get_char((0x55772f068e50), o)
   Exit: (240) [system] get_char((0x55772f068e50), o)
   Call: (240) [system] o=(\)
   Fail: (240) [system] o=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _1706998)
   Call: (241) [system] peek_char((0x55772f068e50), _1707932)
   Exit: (241) [system] peek_char((0x55772f068e50), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Fail: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_1712652, v('(', ')', end_of_file), n)
   Fail: (242) [system] arg(_1713584, v('(', ')', end_of_file), n)
^  Fail: (241) [user] is_delimiter(n)
   Call: (241) [system] ')'==n
   Fail: (241) [system] ')'==n
   Call: (241) [system] get_char((0x55772f068e50), n)
   Exit: (241) [system] get_char((0x55772f068e50), n)
   Call: (241) [system] n=(\)
   Fail: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x55772f068e50), _1720934)
   Call: (242) [system] peek_char((0x55772f068e50), _1721868)
   Exit: (242) [system] peek_char((0x55772f068e50), ' ')
^  Call: (242) [user] is_delimiter(' ')
   Call: (243) [system] char_type(' ', space)
   Exit: (243) [system] char_type(' ', space)
^  Exit: (242) [user] is_delimiter(' ')
   Call: (242) [system] _1720934=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (241) [system] _1706998=[n]
   Exit: (241) [system] [n]=[n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (240) [system] _1693062=[o, n]
   Exit: (240) [system] [o, n]=[o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (239) [system] _1679126=[i, o, n]
   Exit: (239) [system] [i, o, n]=[i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (238) [system] _1665190=[t, i, o, n]
   Exit: (238) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (237) [system] _1651254=[a, t, i, o, n]
   Exit: (237) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (236) [system] _1637318=[c, a, t, i, o, n]
   Exit: (236) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (235) [system] _1623382=[i, c, a, t, i, o, n]
   Exit: (235) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (234) [system] _1609446=[l, i, c, a, t, i, o, n]
   Exit: (234) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (233) [system] _1595510=[p, l, i, c, a, t, i, o, n]
   Exit: (233) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (232) [system] _1581574=[m, p, l, i, c, a, t, i, o, n]
   Exit: (232) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (231) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1546064)
^  Call: (232) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1759092)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1760044, _1760046), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1759092), _1760026, fail)), '$restore_trace'(_1760044, _1760046))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1760044, _1760046))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1759092), _1760026, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_1759092)
   Fail: (233) [system] atomic(_1759092)
   Call: (233) [system] atom_chars(_1759092, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (233) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (232) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (232) [system] integer('Implication')
   Fail: (232) [system] integer('Implication')
   Call: (232) [system] _1546064='Implication'
   Exit: (232) [system] 'Implication'='Implication'
^  Exit: (231) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (230) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (229) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (229) [user] read_list(')', (0x55772f068e50), _1774042)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1775900)
   Exit: (231) [system] peek_char((0x55772f068e50), ' ')
   Call: (231) [system] ' '=(;)
   Fail: (231) [system] ' '=(;)
   Call: (231) [system] ' '=(/)
   Fail: (231) [system] ' '=(/)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x55772f068e50), _1785494)
   Exit: (231) [system] get_char((0x55772f068e50), ' ')
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _1788198)
   Exit: (232) [system] peek_char((0x55772f068e50), '(')
   Call: (232) [system] '('=(;)
   Fail: (232) [system] '('=(;)
   Call: (232) [system] '('=(/)
   Fail: (232) [system] '('=(/)
^  Call: (232) [user] is_like_space('(')
   Call: (233) [system] char_type('(', 'white')
   Fail: (233) [system] char_type('(', 'white')
   Call: (233) [system] char_type('(', end_of_line)
   Fail: (233) [system] char_type('(', end_of_line)
   Call: (233) [system] char_type('(', space)
   Fail: (233) [system] char_type('(', space)
   Call: (233) [system] char_type('(', cntrl)
   Fail: (233) [system] char_type('(', cntrl)
^  Fail: (232) [user] is_like_space('(')
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1805132)
   Exit: (230) [system] peek_char((0x55772f068e50), '(')
   Call: (230) [system] '('=')'
   Fail: (230) [system] '('=')'
   Call: (230) [system] '('=end_of_file
   Fail: (230) [system] '('=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x55772f068e50), _1810702)
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _1812560)
   Exit: (232) [system] peek_char((0x55772f068e50), '(')
   Call: (232) [system] '('=(;)
   Fail: (232) [system] '('=(;)
   Call: (232) [system] '('=(/)
   Fail: (232) [system] '('=(/)
^  Call: (232) [user] is_like_space('(')
   Call: (233) [system] char_type('(', 'white')
   Fail: (233) [system] char_type('(', 'white')
   Call: (233) [system] char_type('(', end_of_line)
   Fail: (233) [system] char_type('(', end_of_line)
   Call: (233) [system] char_type('(', space)
   Fail: (233) [system] char_type('(', space)
   Call: (233) [system] char_type('(', cntrl)
   Fail: (233) [system] char_type('(', cntrl)
^  Fail: (232) [user] is_like_space('(')
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] get_char((0x55772f068e50), _1828570)
   Exit: (231) [system] get_char((0x55772f068e50), '(')
   Call: (231) [system] '('='('
   Exit: (231) [system] '('='('
^  Call: (231) [user] read_list(')', (0x55772f068e50), _1810702)
^  Call: (232) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _1834140)
   Exit: (233) [system] peek_char((0x55772f068e50), 'O')
   Call: (233) [system] 'O'=(;)
   Fail: (233) [system] 'O'=(;)
   Call: (233) [system] 'O'=(/)
   Fail: (233) [system] 'O'=(/)
^  Call: (233) [user] is_like_space('O')
   Call: (234) [system] char_type('O', 'white')
   Fail: (234) [system] char_type('O', 'white')
   Call: (234) [system] char_type('O', end_of_line)
   Fail: (234) [system] char_type('O', end_of_line)
   Call: (234) [system] char_type('O', space)
   Fail: (234) [system] char_type('O', space)
   Call: (234) [system] char_type('O', cntrl)
   Fail: (234) [system] char_type('O', cntrl)
^  Fail: (233) [user] is_like_space('O')
^  Exit: (232) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _1850150)
   Exit: (232) [system] peek_char((0x55772f068e50), 'O')
   Call: (232) [system] 'O'=')'
   Fail: (232) [system] 'O'=')'
   Call: (232) [system] 'O'=end_of_file
   Fail: (232) [system] 'O'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x55772f068e50), _1855720)
^  Call: (233) [user] skip_spaces((0x55772f068e50))
   Call: (234) [system] peek_char((0x55772f068e50), _1857578)
   Exit: (234) [system] peek_char((0x55772f068e50), 'O')
   Call: (234) [system] 'O'=(;)
   Fail: (234) [system] 'O'=(;)
   Call: (234) [system] 'O'=(/)
   Fail: (234) [system] 'O'=(/)
^  Call: (234) [user] is_like_space('O')
   Call: (235) [system] char_type('O', 'white')
   Fail: (235) [system] char_type('O', 'white')
   Call: (235) [system] char_type('O', end_of_line)
   Fail: (235) [system] char_type('O', end_of_line)
   Call: (235) [system] char_type('O', space)
   Fail: (235) [system] char_type('O', space)
   Call: (235) [system] char_type('O', cntrl)
   Fail: (235) [system] char_type('O', cntrl)
^  Fail: (234) [user] is_like_space('O')
^  Exit: (233) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] get_char((0x55772f068e50), _1873588)
   Exit: (233) [system] get_char((0x55772f068e50), 'O')
   Call: (233) [system] 'O'='('
   Fail: (233) [system] 'O'='('
   Call: (233) [system] 'O'='['
   Fail: (233) [system] 'O'='['
   Call: (233) [system] 'O'='{'
   Fail: (233) [system] 'O'='{'
   Call: (233) [system] 'O'='"'
   Fail: (233) [system] 'O'='"'
   Call: (233) [system] 'O'=!
   Fail: (233) [system] 'O'=!
   Call: (233) [system] 'O'='\''
   Fail: (233) [system] 'O'='\''
   Call: (233) [system] 'O'='`'
   Fail: (233) [system] 'O'='`'
   Call: (233) [system] 'O'=end_of_file
   Fail: (233) [system] 'O'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x55772f068e50), 'O', _1855720)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1891230)
   Call: (235) [system] peek_char((0x55772f068e50), _1892164)
   Exit: (235) [system] peek_char((0x55772f068e50), r)
^  Call: (235) [user] is_delimiter(r)
   Call: (236) [system] char_type(r, space)
   Fail: (236) [system] char_type(r, space)
   Call: (236) [system] arg(_1896884, v('(', ')', end_of_file), r)
   Fail: (236) [system] arg(_1897816, v('(', ')', end_of_file), r)
^  Fail: (235) [user] is_delimiter(r)
   Call: (235) [system] ')'==r
   Fail: (235) [system] ')'==r
   Call: (235) [system] get_char((0x55772f068e50), r)
   Exit: (235) [system] get_char((0x55772f068e50), r)
   Call: (235) [system] r=(\)
   Fail: (235) [system] r=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1905166)
   Call: (236) [system] peek_char((0x55772f068e50), _1906100)
   Exit: (236) [system] peek_char((0x55772f068e50), 'L')
^  Call: (236) [user] is_delimiter('L')
   Call: (237) [system] char_type('L', space)
   Fail: (237) [system] char_type('L', space)
   Call: (237) [system] arg(_1910820, v('(', ')', end_of_file), 'L')
   Fail: (237) [system] arg(_1911752, v('(', ')', end_of_file), 'L')
^  Fail: (236) [user] is_delimiter('L')
   Call: (236) [system] ')'=='L'
   Fail: (236) [system] ')'=='L'
   Call: (236) [system] get_char((0x55772f068e50), 'L')
   Exit: (236) [system] get_char((0x55772f068e50), 'L')
   Call: (236) [system] 'L'=(\)
   Fail: (236) [system] 'L'=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1919102)
   Call: (237) [system] peek_char((0x55772f068e50), _1920036)
   Exit: (237) [system] peek_char((0x55772f068e50), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Fail: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_1924756, v('(', ')', end_of_file), i)
   Fail: (238) [system] arg(_1925688, v('(', ')', end_of_file), i)
^  Fail: (237) [user] is_delimiter(i)
   Call: (237) [system] ')'==i
   Fail: (237) [system] ')'==i
   Call: (237) [system] get_char((0x55772f068e50), i)
   Exit: (237) [system] get_char((0x55772f068e50), i)
   Call: (237) [system] i=(\)
   Fail: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _1933038)
   Call: (238) [system] peek_char((0x55772f068e50), _1933972)
   Exit: (238) [system] peek_char((0x55772f068e50), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Fail: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_1938692, v('(', ')', end_of_file), n)
   Fail: (239) [system] arg(_1939624, v('(', ')', end_of_file), n)
^  Fail: (238) [user] is_delimiter(n)
   Call: (238) [system] ')'==n
   Fail: (238) [system] ')'==n
   Call: (238) [system] get_char((0x55772f068e50), n)
   Exit: (238) [system] get_char((0x55772f068e50), n)
   Call: (238) [system] n=(\)
   Fail: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _1946974)
   Call: (239) [system] peek_char((0x55772f068e50), _1947908)
   Exit: (239) [system] peek_char((0x55772f068e50), k)
^  Call: (239) [user] is_delimiter(k)
   Call: (240) [system] char_type(k, space)
   Fail: (240) [system] char_type(k, space)
   Call: (240) [system] arg(_1952628, v('(', ')', end_of_file), k)
   Fail: (240) [system] arg(_1953560, v('(', ')', end_of_file), k)
^  Fail: (239) [user] is_delimiter(k)
   Call: (239) [system] ')'==k
   Fail: (239) [system] ')'==k
   Call: (239) [system] get_char((0x55772f068e50), k)
   Exit: (239) [system] get_char((0x55772f068e50), k)
   Call: (239) [system] k=(\)
   Fail: (239) [system] k=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _1960910)
   Call: (240) [system] peek_char((0x55772f068e50), _1961844)
   Exit: (240) [system] peek_char((0x55772f068e50), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _1960910=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (239) [system] _1946974=[k]
   Exit: (239) [system] [k]=[k]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (238) [system] _1933038=[n, k]
   Exit: (238) [system] [n, k]=[n, k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (237) [system] _1919102=[i, n, k]
   Exit: (237) [system] [i, n, k]=[i, n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (236) [system] _1905166=['L', i, n, k]
   Exit: (236) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (235) [system] _1891230=[r, 'L', i, n, k]
   Exit: (235) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (234) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1855720)
^  Call: (235) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1985098)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_1986050, _1986052), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1985098), _1986032, fail)), '$restore_trace'(_1986050, _1986052))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_1986050, _1986052))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1985098), _1986032, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(_1985098)
   Fail: (236) [system] atomic(_1985098)
   Call: (236) [system] atom_chars(_1985098, ['O', r, 'L', i, n, k])
   Exit: (236) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (235) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (235) [system] integer('OrLink')
   Fail: (235) [system] integer('OrLink')
   Call: (235) [system] _1855720='OrLink'
   Exit: (235) [system] 'OrLink'='OrLink'
^  Exit: (234) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (233) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (232) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (232) [user] read_list(')', (0x55772f068e50), _2000048)
^  Call: (233) [user] skip_spaces((0x55772f068e50))
   Call: (234) [system] peek_char((0x55772f068e50), _2001906)
   Exit: (234) [system] peek_char((0x55772f068e50), ' ')
   Call: (234) [system] ' '=(;)
   Fail: (234) [system] ' '=(;)
   Call: (234) [system] ' '=(/)
   Fail: (234) [system] ' '=(/)
^  Call: (234) [user] is_like_space(' ')
   Call: (235) [system] char_type(' ', 'white')
   Exit: (235) [system] char_type(' ', 'white')
^  Exit: (234) [user] is_like_space(' ')
   Call: (234) [system] get_char((0x55772f068e50), _2011500)
   Exit: (234) [system] get_char((0x55772f068e50), ' ')
^  Call: (234) [user] skip_spaces((0x55772f068e50))
   Call: (235) [system] peek_char((0x55772f068e50), _2014204)
   Exit: (235) [system] peek_char((0x55772f068e50), 'C')
   Call: (235) [system] 'C'=(;)
   Fail: (235) [system] 'C'=(;)
   Call: (235) [system] 'C'=(/)
   Fail: (235) [system] 'C'=(/)
^  Call: (235) [user] is_like_space('C')
   Call: (236) [system] char_type('C', 'white')
   Fail: (236) [system] char_type('C', 'white')
   Call: (236) [system] char_type('C', end_of_line)
   Fail: (236) [system] char_type('C', end_of_line)
   Call: (236) [system] char_type('C', space)
   Fail: (236) [system] char_type('C', space)
   Call: (236) [system] char_type('C', cntrl)
   Fail: (236) [system] char_type('C', cntrl)
^  Fail: (235) [user] is_like_space('C')
^  Exit: (234) [user] skip_spaces((0x55772f068e50))
^  Exit: (233) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _2031138)
   Exit: (233) [system] peek_char((0x55772f068e50), 'C')
   Call: (233) [system] 'C'=')'
   Fail: (233) [system] 'C'=')'
   Call: (233) [system] 'C'=end_of_file
   Fail: (233) [system] 'C'=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x55772f068e50), _2036708)
^  Call: (234) [user] skip_spaces((0x55772f068e50))
   Call: (235) [system] peek_char((0x55772f068e50), _2038566)
   Exit: (235) [system] peek_char((0x55772f068e50), 'C')
   Call: (235) [system] 'C'=(;)
   Fail: (235) [system] 'C'=(;)
   Call: (235) [system] 'C'=(/)
   Fail: (235) [system] 'C'=(/)
^  Call: (235) [user] is_like_space('C')
   Call: (236) [system] char_type('C', 'white')
   Fail: (236) [system] char_type('C', 'white')
   Call: (236) [system] char_type('C', end_of_line)
   Fail: (236) [system] char_type('C', end_of_line)
   Call: (236) [system] char_type('C', space)
   Fail: (236) [system] char_type('C', space)
   Call: (236) [system] char_type('C', cntrl)
   Fail: (236) [system] char_type('C', cntrl)
^  Fail: (235) [user] is_like_space('C')
^  Exit: (234) [user] skip_spaces((0x55772f068e50))
   Call: (234) [system] get_char((0x55772f068e50), _2054576)
   Exit: (234) [system] get_char((0x55772f068e50), 'C')
   Call: (234) [system] 'C'='('
   Fail: (234) [system] 'C'='('
   Call: (234) [system] 'C'='['
   Fail: (234) [system] 'C'='['
   Call: (234) [system] 'C'='{'
   Fail: (234) [system] 'C'='{'
   Call: (234) [system] 'C'='"'
   Fail: (234) [system] 'C'='"'
   Call: (234) [system] 'C'=!
   Fail: (234) [system] 'C'=!
   Call: (234) [system] 'C'='\''
   Fail: (234) [system] 'C'='\''
   Call: (234) [system] 'C'='`'
   Fail: (234) [system] 'C'='`'
   Call: (234) [system] 'C'=end_of_file
   Fail: (234) [system] 'C'=end_of_file
^  Call: (234) [user] read_symbolic(')', (0x55772f068e50), 'C', _2036708)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _2072218)
   Call: (236) [system] peek_char((0x55772f068e50), _2073152)
   Exit: (236) [system] peek_char((0x55772f068e50), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _2072218=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (235) [user] classify_and_convert_charseq(['C'], _2036708)
^  Call: (236) [user] classify_and_convert_charseq_(['C'], _2082436)
^  Call: (238) [system] setup_call_cleanup('$notrace'(_2083388, _2083390), once(user:catch(read_from_chars(['C'], _2082436), _2083370, fail)), '$restore_trace'(_2083388, _2083390))
^  Call: (239) [system] sig_atomic(system:'$notrace'(_2083388, _2083390))
^  Exit: (238) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _2082436), _2083370, fail)), system:'$restore_trace'(3, -1))
   Call: (237) [system] atomic(_2082436)
   Fail: (237) [system] atomic(_2082436)
   Call: (237) [system] atom_chars(_2082436, ['C'])
   Exit: (237) [system] atom_chars('C', ['C'])
^  Exit: (236) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (236) [system] integer('C')
   Fail: (236) [system] integer('C')
   Call: (236) [system] _2036708='C'
   Exit: (236) [system] 'C'='C'
^  Exit: (235) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (234) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (233) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (233) [user] read_list(')', (0x55772f068e50), _6848)
^  Call: (234) [user] skip_spaces((0x55772f068e50))
   Call: (235) [system] peek_char((0x55772f068e50), _8706)
   Exit: (235) [system] peek_char((0x55772f068e50), ' ')
   Call: (235) [system] ' '=(;)
   Fail: (235) [system] ' '=(;)
   Call: (235) [system] ' '=(/)
   Fail: (235) [system] ' '=(/)
^  Call: (235) [user] is_like_space(' ')
   Call: (236) [system] char_type(' ', 'white')
   Exit: (236) [system] char_type(' ', 'white')
^  Exit: (235) [user] is_like_space(' ')
   Call: (235) [system] get_char((0x55772f068e50), _18300)
   Exit: (235) [system] get_char((0x55772f068e50), ' ')
^  Call: (235) [user] skip_spaces((0x55772f068e50))
   Call: (236) [system] peek_char((0x55772f068e50), _21004)
   Exit: (236) [system] peek_char((0x55772f068e50), 'D')
   Call: (236) [system] 'D'=(;)
   Fail: (236) [system] 'D'=(;)
   Call: (236) [system] 'D'=(/)
   Fail: (236) [system] 'D'=(/)
^  Call: (236) [user] is_like_space('D')
   Call: (237) [system] char_type('D', 'white')
   Fail: (237) [system] char_type('D', 'white')
   Call: (237) [system] char_type('D', end_of_line)
   Fail: (237) [system] char_type('D', end_of_line)
   Call: (237) [system] char_type('D', space)
   Fail: (237) [system] char_type('D', space)
   Call: (237) [system] char_type('D', cntrl)
   Fail: (237) [system] char_type('D', cntrl)
^  Fail: (236) [user] is_like_space('D')
^  Exit: (235) [user] skip_spaces((0x55772f068e50))
^  Exit: (234) [user] skip_spaces((0x55772f068e50))
   Call: (234) [system] peek_char((0x55772f068e50), _37938)
   Exit: (234) [system] peek_char((0x55772f068e50), 'D')
   Call: (234) [system] 'D'=')'
   Fail: (234) [system] 'D'=')'
   Call: (234) [system] 'D'=end_of_file
   Fail: (234) [system] 'D'=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x55772f068e50), _43508)
^  Call: (235) [user] skip_spaces((0x55772f068e50))
   Call: (236) [system] peek_char((0x55772f068e50), _45366)
   Exit: (236) [system] peek_char((0x55772f068e50), 'D')
   Call: (236) [system] 'D'=(;)
   Fail: (236) [system] 'D'=(;)
   Call: (236) [system] 'D'=(/)
   Fail: (236) [system] 'D'=(/)
^  Call: (236) [user] is_like_space('D')
   Call: (237) [system] char_type('D', 'white')
   Fail: (237) [system] char_type('D', 'white')
   Call: (237) [system] char_type('D', end_of_line)
   Fail: (237) [system] char_type('D', end_of_line)
   Call: (237) [system] char_type('D', space)
   Fail: (237) [system] char_type('D', space)
   Call: (237) [system] char_type('D', cntrl)
   Fail: (237) [system] char_type('D', cntrl)
^  Fail: (236) [user] is_like_space('D')
^  Exit: (235) [user] skip_spaces((0x55772f068e50))
   Call: (235) [system] get_char((0x55772f068e50), _61376)
   Exit: (235) [system] get_char((0x55772f068e50), 'D')
   Call: (235) [system] 'D'='('
   Fail: (235) [system] 'D'='('
   Call: (235) [system] 'D'='['
   Fail: (235) [system] 'D'='['
   Call: (235) [system] 'D'='{'
   Fail: (235) [system] 'D'='{'
   Call: (235) [system] 'D'='"'
   Fail: (235) [system] 'D'='"'
   Call: (235) [system] 'D'=!
   Fail: (235) [system] 'D'=!
   Call: (235) [system] 'D'='\''
   Fail: (235) [system] 'D'='\''
   Call: (235) [system] 'D'='`'
   Fail: (235) [system] 'D'='`'
   Call: (235) [system] 'D'=end_of_file
   Fail: (235) [system] 'D'=end_of_file
^  Call: (235) [user] read_symbolic(')', (0x55772f068e50), 'D', _43508)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _79018)
   Call: (237) [system] peek_char((0x55772f068e50), _79952)
   Exit: (237) [system] peek_char((0x55772f068e50), ')')
^  Call: (237) [user] is_delimiter(')')
   Call: (238) [system] char_type(')', space)
   Fail: (238) [system] char_type(')', space)
   Call: (238) [system] arg(_84672, v('(', ')', end_of_file), ')')
   Exit: (238) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (237) [user] is_delimiter(')')
   Call: (237) [system] _79018=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (236) [user] classify_and_convert_charseq(['D'], _43508)
^  Call: (237) [user] classify_and_convert_charseq_(['D'], _91108)
^  Call: (239) [system] setup_call_cleanup('$notrace'(_92060, _92062), once(user:catch(read_from_chars(['D'], _91108), _92042, fail)), '$restore_trace'(_92060, _92062))
^  Call: (240) [system] sig_atomic(system:'$notrace'(_92060, _92062))
^  Exit: (239) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _91108), _92042, fail)), system:'$restore_trace'(3, -1))
   Call: (238) [system] atomic(_91108)
   Fail: (238) [system] atomic(_91108)
   Call: (238) [system] atom_chars(_91108, ['D'])
   Exit: (238) [system] atom_chars('D', ['D'])
^  Exit: (237) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (237) [system] integer('D')
   Fail: (237) [system] integer('D')
   Call: (237) [system] _43508='D'
   Exit: (237) [system] 'D'='D'
^  Exit: (236) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (235) [user] read_symbolic(')', (0x55772f068e50), 'D', 'D')
^  Exit: (234) [user] cont_sexpr(')', (0x55772f068e50), 'D')
^  Call: (234) [user] read_list(')', (0x55772f068e50), _106058)
^  Call: (235) [user] skip_spaces((0x55772f068e50))
   Call: (236) [system] peek_char((0x55772f068e50), _107916)
   Exit: (236) [system] peek_char((0x55772f068e50), ')')
   Call: (236) [system] ')'=(;)
   Fail: (236) [system] ')'=(;)
   Call: (236) [system] ')'=(/)
   Fail: (236) [system] ')'=(/)
^  Call: (236) [user] is_like_space(')')
   Call: (237) [system] char_type(')', 'white')
   Fail: (237) [system] char_type(')', 'white')
   Call: (237) [system] char_type(')', end_of_line)
   Fail: (237) [system] char_type(')', end_of_line)
   Call: (237) [system] char_type(')', space)
   Fail: (237) [system] char_type(')', space)
   Call: (237) [system] char_type(')', cntrl)
   Fail: (237) [system] char_type(')', cntrl)
^  Fail: (236) [user] is_like_space(')')
^  Exit: (235) [user] skip_spaces((0x55772f068e50))
   Call: (235) [system] peek_char((0x55772f068e50), _123926)
   Exit: (235) [system] peek_char((0x55772f068e50), ')')
   Call: (235) [system] ')'=')'
   Exit: (235) [system] ')'=')'
   Call: (235) [system] get_char((0x55772f068e50), _127716)
   Exit: (235) [system] get_char((0x55772f068e50), ')')
   Call: (235) [system] _106058=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_list(')', (0x55772f068e50), [])
   Call: (234) [system] _6848=['D']
   Exit: (234) [system] ['D']=['D']
^  Exit: (233) [user] read_list(')', (0x55772f068e50), ['D'])
   Call: (233) [system] _6240=['C', 'D']
   Exit: (233) [system] ['C', 'D']=['C', 'D']
^  Exit: (232) [user] read_list(')', (0x55772f068e50), ['C', 'D'])
   Call: (232) [system] _6232=['OrLink', 'C', 'D']
   Exit: (232) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (231) [user] read_list(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Exit: (230) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Call: (230) [user] read_list(')', (0x55772f068e50), _141598)
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _143456)
   Exit: (232) [system] peek_char((0x55772f068e50), ' ')
   Call: (232) [system] ' '=(;)
   Fail: (232) [system] ' '=(;)
   Call: (232) [system] ' '=(/)
   Fail: (232) [system] ' '=(/)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x55772f068e50), _153050)
   Exit: (232) [system] get_char((0x55772f068e50), ' ')
^  Call: (232) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _155754)
   Exit: (233) [system] peek_char((0x55772f068e50), 'E')
   Call: (233) [system] 'E'=(;)
   Fail: (233) [system] 'E'=(;)
   Call: (233) [system] 'E'=(/)
   Fail: (233) [system] 'E'=(/)
^  Call: (233) [user] is_like_space('E')
   Call: (234) [system] char_type('E', 'white')
   Fail: (234) [system] char_type('E', 'white')
   Call: (234) [system] char_type('E', end_of_line)
   Fail: (234) [system] char_type('E', end_of_line)
   Call: (234) [system] char_type('E', space)
   Fail: (234) [system] char_type('E', space)
   Call: (234) [system] char_type('E', cntrl)
   Fail: (234) [system] char_type('E', cntrl)
^  Fail: (233) [user] is_like_space('E')
^  Exit: (232) [user] skip_spaces((0x55772f068e50))
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _172688)
   Exit: (231) [system] peek_char((0x55772f068e50), 'E')
   Call: (231) [system] 'E'=')'
   Fail: (231) [system] 'E'=')'
   Call: (231) [system] 'E'=end_of_file
   Fail: (231) [system] 'E'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x55772f068e50), _178258)
^  Call: (232) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _180116)
   Exit: (233) [system] peek_char((0x55772f068e50), 'E')
   Call: (233) [system] 'E'=(;)
   Fail: (233) [system] 'E'=(;)
   Call: (233) [system] 'E'=(/)
   Fail: (233) [system] 'E'=(/)
^  Call: (233) [user] is_like_space('E')
   Call: (234) [system] char_type('E', 'white')
   Fail: (234) [system] char_type('E', 'white')
   Call: (234) [system] char_type('E', end_of_line)
   Fail: (234) [system] char_type('E', end_of_line)
   Call: (234) [system] char_type('E', space)
   Fail: (234) [system] char_type('E', space)
   Call: (234) [system] char_type('E', cntrl)
   Fail: (234) [system] char_type('E', cntrl)
^  Fail: (233) [user] is_like_space('E')
^  Exit: (232) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] get_char((0x55772f068e50), _196126)
   Exit: (232) [system] get_char((0x55772f068e50), 'E')
   Call: (232) [system] 'E'='('
   Fail: (232) [system] 'E'='('
   Call: (232) [system] 'E'='['
   Fail: (232) [system] 'E'='['
   Call: (232) [system] 'E'='{'
   Fail: (232) [system] 'E'='{'
   Call: (232) [system] 'E'='"'
   Fail: (232) [system] 'E'='"'
   Call: (232) [system] 'E'=!
   Fail: (232) [system] 'E'=!
   Call: (232) [system] 'E'='\''
   Fail: (232) [system] 'E'='\''
   Call: (232) [system] 'E'='`'
   Fail: (232) [system] 'E'='`'
   Call: (232) [system] 'E'=end_of_file
   Fail: (232) [system] 'E'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x55772f068e50), 'E', _178258)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _213768)
   Call: (234) [system] peek_char((0x55772f068e50), _214702)
   Exit: (234) [system] peek_char((0x55772f068e50), ')')
^  Call: (234) [user] is_delimiter(')')
   Call: (235) [system] char_type(')', space)
   Fail: (235) [system] char_type(')', space)
   Call: (235) [system] arg(_219422, v('(', ')', end_of_file), ')')
   Exit: (235) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (234) [user] is_delimiter(')')
   Call: (234) [system] _213768=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (233) [user] classify_and_convert_charseq(['E'], _178258)
^  Call: (234) [user] classify_and_convert_charseq_(['E'], _225858)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_226810, _226812), once(user:catch(read_from_chars(['E'], _225858), _226792, fail)), '$restore_trace'(_226810, _226812))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_226810, _226812))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _225858), _226792, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_225858)
   Fail: (235) [system] atomic(_225858)
   Call: (235) [system] atom_chars(_225858, ['E'])
   Exit: (235) [system] atom_chars('E', ['E'])
^  Exit: (234) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (234) [system] integer('E')
   Fail: (234) [system] integer('E')
   Call: (234) [system] _178258='E'
   Exit: (234) [system] 'E'='E'
^  Exit: (233) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (232) [user] read_symbolic(')', (0x55772f068e50), 'E', 'E')
^  Exit: (231) [user] cont_sexpr(')', (0x55772f068e50), 'E')
^  Call: (231) [user] read_list(')', (0x55772f068e50), _240808)
^  Call: (232) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _242666)
   Exit: (233) [system] peek_char((0x55772f068e50), ')')
   Call: (233) [system] ')'=(;)
   Fail: (233) [system] ')'=(;)
   Call: (233) [system] ')'=(/)
   Fail: (233) [system] ')'=(/)
^  Call: (233) [user] is_like_space(')')
   Call: (234) [system] char_type(')', 'white')
   Fail: (234) [system] char_type(')', 'white')
   Call: (234) [system] char_type(')', end_of_line)
   Fail: (234) [system] char_type(')', end_of_line)
   Call: (234) [system] char_type(')', space)
   Fail: (234) [system] char_type(')', space)
   Call: (234) [system] char_type(')', cntrl)
   Fail: (234) [system] char_type(')', cntrl)
^  Fail: (233) [user] is_like_space(')')
^  Exit: (232) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _258676)
   Exit: (232) [system] peek_char((0x55772f068e50), ')')
   Call: (232) [system] ')'=')'
   Exit: (232) [system] ')'=')'
   Call: (232) [system] get_char((0x55772f068e50), _262466)
   Exit: (232) [system] get_char((0x55772f068e50), ')')
   Call: (232) [system] _240808=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_list(')', (0x55772f068e50), [])
   Call: (231) [system] _141598=['E']
   Exit: (231) [system] ['E']=['E']
^  Exit: (230) [user] read_list(')', (0x55772f068e50), ['E'])
   Call: (230) [system] _6228=[['OrLink', 'C', 'D'], 'E']
   Exit: (230) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (229) [user] read_list(')', (0x55772f068e50), [['OrLink', 'C', 'D'], 'E'])
   Call: (229) [system] _6220=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (229) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (228) [user] read_list(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (227) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (227) [user] read_list(')', (0x55772f068e50), _276348)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _278206)
   Exit: (229) [system] peek_char((0x55772f068e50), ')')
   Call: (229) [system] ')'=(;)
   Fail: (229) [system] ')'=(;)
   Call: (229) [system] ')'=(/)
   Fail: (229) [system] ')'=(/)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Fail: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Fail: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
   Fail: (230) [system] char_type(')', cntrl)
^  Fail: (229) [user] is_like_space(')')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _294216)
   Exit: (228) [system] peek_char((0x55772f068e50), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x55772f068e50), _298006)
   Exit: (228) [system] get_char((0x55772f068e50), ')')
   Call: (228) [system] _276348=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x55772f068e50), [])
   Call: (227) [system] _6216=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (227) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (226) [user] read_list(')', (0x55772f068e50), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (226) [system] _6210=['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (226) [system] ['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (225) [user] read_list(')', (0x55772f068e50), ['A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (225) [system] _6202=['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (225) [system] ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (224) [user] read_list(')', (0x55772f068e50), ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (223) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (223) [user] read_list(')', (0x55772f068e50), _311888)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _313746)
   Exit: (225) [system] peek_char((0x55772f068e50), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
   Call: (225) [system] ')'=(/)
   Fail: (225) [system] ')'=(/)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _329756)
   Exit: (224) [system] peek_char((0x55772f068e50), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x55772f068e50), _333546)
   Exit: (224) [system] get_char((0x55772f068e50), ')')
   Call: (224) [system] _311888=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x55772f068e50), [])
   Call: (223) [system] _6198=[['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (223) [system] [['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (222) [user] read_list(')', (0x55772f068e50), [['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (222) [system] _6174=[['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (222) [system] [['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (221) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (221) [system] _6166=[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (221) [system] [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (220) [user] read_list(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (219) [user] read_list(')', (0x55772f068e50), _347428)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _349286)
   Exit: (221) [system] peek_char((0x55772f068e50), '\n')
   Call: (221) [system] '\n'=(;)
   Fail: (221) [system] '\n'=(;)
   Call: (221) [system] '\n'=(/)
   Fail: (221) [system] '\n'=(/)
^  Call: (221) [user] is_like_space('\n')
   Call: (222) [system] char_type('\n', 'white')
   Fail: (222) [system] char_type('\n', 'white')
   Call: (222) [system] char_type('\n', end_of_line)
   Exit: (222) [system] char_type('\n', end_of_line)
^  Exit: (221) [user] is_like_space('\n')
   Call: (221) [system] get_char((0x55772f068e50), _360736)
   Exit: (221) [system] get_char((0x55772f068e50), '\n')
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _363440)
   Exit: (222) [system] peek_char((0x55772f068e50), '\t')
   Call: (222) [system] '\t'=(;)
   Fail: (222) [system] '\t'=(;)
   Call: (222) [system] '\t'=(/)
   Fail: (222) [system] '\t'=(/)
^  Call: (222) [user] is_like_space('\t')
   Call: (223) [system] char_type('\t', 'white')
   Exit: (223) [system] char_type('\t', 'white')
^  Exit: (222) [user] is_like_space('\t')
   Call: (222) [system] get_char((0x55772f068e50), _373034)
   Exit: (222) [system] get_char((0x55772f068e50), '\t')
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _375738)
   Exit: (223) [system] peek_char((0x55772f068e50), '\t')
   Call: (223) [system] '\t'=(;)
   Fail: (223) [system] '\t'=(;)
   Call: (223) [system] '\t'=(/)
   Fail: (223) [system] '\t'=(/)
^  Call: (223) [user] is_like_space('\t')
   Call: (224) [system] char_type('\t', 'white')
   Exit: (224) [system] char_type('\t', 'white')
^  Exit: (223) [user] is_like_space('\t')
   Call: (223) [system] get_char((0x55772f068e50), _385332)
   Exit: (223) [system] get_char((0x55772f068e50), '\t')
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _388036)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x55772f068e50), _397630)
   Exit: (224) [system] get_char((0x55772f068e50), ' ')
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _400334)
   Exit: (225) [system] peek_char((0x55772f068e50), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _420040)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _425610)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _427468)
   Exit: (222) [system] peek_char((0x55772f068e50), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _443478)
   Exit: (221) [system] get_char((0x55772f068e50), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x55772f068e50), _425610)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _449048)
   Exit: (223) [system] peek_char((0x55772f068e50), :)
   Call: (223) [system] (:)=(;)
   Fail: (223) [system] (:)=(;)
   Call: (223) [system] (:)=(/)
   Fail: (223) [system] (:)=(/)
^  Call: (223) [user] is_like_space(:)
   Call: (224) [system] char_type(:, 'white')
   Fail: (224) [system] char_type(:, 'white')
   Call: (224) [system] char_type(:, end_of_line)
   Fail: (224) [system] char_type(:, end_of_line)
   Call: (224) [system] char_type(:, space)
   Fail: (224) [system] char_type(:, space)
   Call: (224) [system] char_type(:, cntrl)
   Fail: (224) [system] char_type(:, cntrl)
^  Fail: (223) [user] is_like_space(:)
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _465058)
   Exit: (222) [system] peek_char((0x55772f068e50), :)
   Call: (222) [system] (:)=')'
   Fail: (222) [system] (:)=')'
   Call: (222) [system] (:)=end_of_file
   Fail: (222) [system] (:)=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _470628)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _472486)
   Exit: (224) [system] peek_char((0x55772f068e50), :)
   Call: (224) [system] (:)=(;)
   Fail: (224) [system] (:)=(;)
   Call: (224) [system] (:)=(/)
   Fail: (224) [system] (:)=(/)
^  Call: (224) [user] is_like_space(:)
   Call: (225) [system] char_type(:, 'white')
   Fail: (225) [system] char_type(:, 'white')
   Call: (225) [system] char_type(:, end_of_line)
   Fail: (225) [system] char_type(:, end_of_line)
   Call: (225) [system] char_type(:, space)
   Fail: (225) [system] char_type(:, space)
   Call: (225) [system] char_type(:, cntrl)
   Fail: (225) [system] char_type(:, cntrl)
^  Fail: (224) [user] is_like_space(:)
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _488496)
   Exit: (223) [system] get_char((0x55772f068e50), :)
   Call: (223) [system] (:)='('
   Fail: (223) [system] (:)='('
   Call: (223) [system] (:)='['
   Fail: (223) [system] (:)='['
   Call: (223) [system] (:)='{'
   Fail: (223) [system] (:)='{'
   Call: (223) [system] (:)='"'
   Fail: (223) [system] (:)='"'
   Call: (223) [system] (:)=!
   Fail: (223) [system] (:)=!
   Call: (223) [system] (:)='\''
   Fail: (223) [system] (:)='\''
   Call: (223) [system] (:)='`'
   Fail: (223) [system] (:)='`'
   Call: (223) [system] (:)=end_of_file
   Fail: (223) [system] (:)=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x55772f068e50), :, _470628)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _506138)
   Call: (225) [system] peek_char((0x55772f068e50), _507072)
   Exit: (225) [system] peek_char((0x55772f068e50), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _506138=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (224) [user] classify_and_convert_charseq([:], _470628)
^  Call: (225) [user] classify_and_convert_charseq_([:], _516356)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_517308, _517310), once(user:catch(read_from_chars([:], _516356), _517290, fail)), '$restore_trace'(_517308, _517310))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_517308, _517310))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _517290, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(:)
   Exit: (226) [system] atomic(:)
^  Exit: (225) [user] classify_and_convert_charseq_([:], :)
   Call: (225) [system] integer(:)
   Fail: (225) [system] integer(:)
   Call: (225) [system] _470628=(:)
   Exit: (225) [system] (:)=(:)
^  Exit: (224) [user] classify_and_convert_charseq([:], :)
^  Exit: (223) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (222) [user] read_list(')', (0x55772f068e50), _529436)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _531294)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x55772f068e50), _540888)
   Exit: (224) [system] get_char((0x55772f068e50), ' ')
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _543592)
   Exit: (225) [system] peek_char((0x55772f068e50), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _560526)
   Exit: (223) [system] peek_char((0x55772f068e50), '(')
   Call: (223) [system] '('=')'
   Fail: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
   Fail: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x55772f068e50), _566096)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _567954)
   Exit: (225) [system] peek_char((0x55772f068e50), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] get_char((0x55772f068e50), _583964)
   Exit: (224) [system] get_char((0x55772f068e50), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x55772f068e50), _566096)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _589534)
   Exit: (226) [system] peek_char((0x55772f068e50), 'D')
   Call: (226) [system] 'D'=(;)
   Fail: (226) [system] 'D'=(;)
   Call: (226) [system] 'D'=(/)
   Fail: (226) [system] 'D'=(/)
^  Call: (226) [user] is_like_space('D')
   Call: (227) [system] char_type('D', 'white')
   Fail: (227) [system] char_type('D', 'white')
   Call: (227) [system] char_type('D', end_of_line)
   Fail: (227) [system] char_type('D', end_of_line)
   Call: (227) [system] char_type('D', space)
   Fail: (227) [system] char_type('D', space)
   Call: (227) [system] char_type('D', cntrl)
   Fail: (227) [system] char_type('D', cntrl)
^  Fail: (226) [user] is_like_space('D')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _605544)
   Exit: (225) [system] peek_char((0x55772f068e50), 'D')
   Call: (225) [system] 'D'=')'
   Fail: (225) [system] 'D'=')'
   Call: (225) [system] 'D'=end_of_file
   Fail: (225) [system] 'D'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x55772f068e50), _611114)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _612972)
   Exit: (227) [system] peek_char((0x55772f068e50), 'D')
   Call: (227) [system] 'D'=(;)
   Fail: (227) [system] 'D'=(;)
   Call: (227) [system] 'D'=(/)
   Fail: (227) [system] 'D'=(/)
^  Call: (227) [user] is_like_space('D')
   Call: (228) [system] char_type('D', 'white')
   Fail: (228) [system] char_type('D', 'white')
   Call: (228) [system] char_type('D', end_of_line)
   Fail: (228) [system] char_type('D', end_of_line)
   Call: (228) [system] char_type('D', space)
   Fail: (228) [system] char_type('D', space)
   Call: (228) [system] char_type('D', cntrl)
   Fail: (228) [system] char_type('D', cntrl)
^  Fail: (227) [user] is_like_space('D')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] get_char((0x55772f068e50), _628982)
   Exit: (226) [system] get_char((0x55772f068e50), 'D')
   Call: (226) [system] 'D'='('
   Fail: (226) [system] 'D'='('
   Call: (226) [system] 'D'='['
   Fail: (226) [system] 'D'='['
   Call: (226) [system] 'D'='{'
   Fail: (226) [system] 'D'='{'
   Call: (226) [system] 'D'='"'
   Fail: (226) [system] 'D'='"'
   Call: (226) [system] 'D'=!
   Fail: (226) [system] 'D'=!
   Call: (226) [system] 'D'='\''
   Fail: (226) [system] 'D'='\''
   Call: (226) [system] 'D'='`'
   Fail: (226) [system] 'D'='`'
   Call: (226) [system] 'D'=end_of_file
   Fail: (226) [system] 'D'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x55772f068e50), 'D', _611114)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _646624)
   Call: (228) [system] peek_char((0x55772f068e50), _647558)
   Exit: (228) [system] peek_char((0x55772f068e50), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_652278, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_653210, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x55772f068e50), i)
   Exit: (228) [system] get_char((0x55772f068e50), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _660560)
   Call: (229) [system] peek_char((0x55772f068e50), _661494)
   Exit: (229) [system] peek_char((0x55772f068e50), s)
^  Call: (229) [user] is_delimiter(s)
   Call: (230) [system] char_type(s, space)
   Fail: (230) [system] char_type(s, space)
   Call: (230) [system] arg(_666214, v('(', ')', end_of_file), s)
   Fail: (230) [system] arg(_667146, v('(', ')', end_of_file), s)
^  Fail: (229) [user] is_delimiter(s)
   Call: (229) [system] ')'==s
   Fail: (229) [system] ')'==s
   Call: (229) [system] get_char((0x55772f068e50), s)
   Exit: (229) [system] get_char((0x55772f068e50), s)
   Call: (229) [system] s=(\)
   Fail: (229) [system] s=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _674496)
   Call: (230) [system] peek_char((0x55772f068e50), _675430)
   Exit: (230) [system] peek_char((0x55772f068e50), j)
^  Call: (230) [user] is_delimiter(j)
   Call: (231) [system] char_type(j, space)
   Fail: (231) [system] char_type(j, space)
   Call: (231) [system] arg(_680150, v('(', ')', end_of_file), j)
   Fail: (231) [system] arg(_681082, v('(', ')', end_of_file), j)
^  Fail: (230) [user] is_delimiter(j)
   Call: (230) [system] ')'==j
   Fail: (230) [system] ')'==j
   Call: (230) [system] get_char((0x55772f068e50), j)
   Exit: (230) [system] get_char((0x55772f068e50), j)
   Call: (230) [system] j=(\)
   Fail: (230) [system] j=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _688432)
   Call: (231) [system] peek_char((0x55772f068e50), _689366)
   Exit: (231) [system] peek_char((0x55772f068e50), u)
^  Call: (231) [user] is_delimiter(u)
   Call: (232) [system] char_type(u, space)
   Fail: (232) [system] char_type(u, space)
   Call: (232) [system] arg(_694086, v('(', ')', end_of_file), u)
   Fail: (232) [system] arg(_695018, v('(', ')', end_of_file), u)
^  Fail: (231) [user] is_delimiter(u)
   Call: (231) [system] ')'==u
   Fail: (231) [system] ')'==u
   Call: (231) [system] get_char((0x55772f068e50), u)
   Exit: (231) [system] get_char((0x55772f068e50), u)
   Call: (231) [system] u=(\)
   Fail: (231) [system] u=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _702368)
   Call: (232) [system] peek_char((0x55772f068e50), _703302)
   Exit: (232) [system] peek_char((0x55772f068e50), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_708022, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_708954, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x55772f068e50), n)
   Exit: (232) [system] get_char((0x55772f068e50), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _716304)
   Call: (233) [system] peek_char((0x55772f068e50), _717238)
   Exit: (233) [system] peek_char((0x55772f068e50), c)
^  Call: (233) [user] is_delimiter(c)
   Call: (234) [system] char_type(c, space)
   Fail: (234) [system] char_type(c, space)
   Call: (234) [system] arg(_721958, v('(', ')', end_of_file), c)
   Fail: (234) [system] arg(_722890, v('(', ')', end_of_file), c)
^  Fail: (233) [user] is_delimiter(c)
   Call: (233) [system] ')'==c
   Fail: (233) [system] ')'==c
   Call: (233) [system] get_char((0x55772f068e50), c)
   Exit: (233) [system] get_char((0x55772f068e50), c)
   Call: (233) [system] c=(\)
   Fail: (233) [system] c=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _730240)
   Call: (234) [system] peek_char((0x55772f068e50), _731174)
   Exit: (234) [system] peek_char((0x55772f068e50), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Fail: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_735894, v('(', ')', end_of_file), t)
   Fail: (235) [system] arg(_736826, v('(', ')', end_of_file), t)
^  Fail: (234) [user] is_delimiter(t)
   Call: (234) [system] ')'==t
   Fail: (234) [system] ')'==t
   Call: (234) [system] get_char((0x55772f068e50), t)
   Exit: (234) [system] get_char((0x55772f068e50), t)
   Call: (234) [system] t=(\)
   Fail: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _744176)
   Call: (235) [system] peek_char((0x55772f068e50), _745110)
   Exit: (235) [system] peek_char((0x55772f068e50), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Fail: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_749830, v('(', ')', end_of_file), i)
   Fail: (236) [system] arg(_750762, v('(', ')', end_of_file), i)
^  Fail: (235) [user] is_delimiter(i)
   Call: (235) [system] ')'==i
   Fail: (235) [system] ')'==i
   Call: (235) [system] get_char((0x55772f068e50), i)
   Exit: (235) [system] get_char((0x55772f068e50), i)
   Call: (235) [system] i=(\)
   Fail: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _758112)
   Call: (236) [system] peek_char((0x55772f068e50), _759046)
   Exit: (236) [system] peek_char((0x55772f068e50), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Fail: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_763766, v('(', ')', end_of_file), o)
   Fail: (237) [system] arg(_764698, v('(', ')', end_of_file), o)
^  Fail: (236) [user] is_delimiter(o)
   Call: (236) [system] ')'==o
   Fail: (236) [system] ')'==o
   Call: (236) [system] get_char((0x55772f068e50), o)
   Exit: (236) [system] get_char((0x55772f068e50), o)
   Call: (236) [system] o=(\)
   Fail: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _772048)
   Call: (237) [system] peek_char((0x55772f068e50), _772982)
   Exit: (237) [system] peek_char((0x55772f068e50), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_777702, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_778634, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x55772f068e50), n)
   Exit: (237) [system] get_char((0x55772f068e50), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _785984)
   Call: (238) [system] peek_char((0x55772f068e50), _786918)
   Exit: (238) [system] peek_char((0x55772f068e50), 'I')
^  Call: (238) [user] is_delimiter('I')
   Call: (239) [system] char_type('I', space)
   Fail: (239) [system] char_type('I', space)
   Call: (239) [system] arg(_791638, v('(', ')', end_of_file), 'I')
   Fail: (239) [system] arg(_792570, v('(', ')', end_of_file), 'I')
^  Fail: (238) [user] is_delimiter('I')
   Call: (238) [system] ')'=='I'
   Fail: (238) [system] ')'=='I'
   Call: (238) [system] get_char((0x55772f068e50), 'I')
   Exit: (238) [system] get_char((0x55772f068e50), 'I')
   Call: (238) [system] 'I'=(\)
   Fail: (238) [system] 'I'=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _799920)
   Call: (239) [system] peek_char((0x55772f068e50), _800854)
   Exit: (239) [system] peek_char((0x55772f068e50), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Fail: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_805574, v('(', ')', end_of_file), n)
   Fail: (240) [system] arg(_806506, v('(', ')', end_of_file), n)
^  Fail: (239) [user] is_delimiter(n)
   Call: (239) [system] ')'==n
   Fail: (239) [system] ')'==n
   Call: (239) [system] get_char((0x55772f068e50), n)
   Exit: (239) [system] get_char((0x55772f068e50), n)
   Call: (239) [system] n=(\)
   Fail: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _813856)
   Call: (240) [system] peek_char((0x55772f068e50), _814790)
   Exit: (240) [system] peek_char((0x55772f068e50), t)
^  Call: (240) [user] is_delimiter(t)
   Call: (241) [system] char_type(t, space)
   Fail: (241) [system] char_type(t, space)
   Call: (241) [system] arg(_819510, v('(', ')', end_of_file), t)
   Fail: (241) [system] arg(_820442, v('(', ')', end_of_file), t)
^  Fail: (240) [user] is_delimiter(t)
   Call: (240) [system] ')'==t
   Fail: (240) [system] ')'==t
   Call: (240) [system] get_char((0x55772f068e50), t)
   Exit: (240) [system] get_char((0x55772f068e50), t)
   Call: (240) [system] t=(\)
   Fail: (240) [system] t=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _827792)
   Call: (241) [system] peek_char((0x55772f068e50), _828726)
   Exit: (241) [system] peek_char((0x55772f068e50), r)
^  Call: (241) [user] is_delimiter(r)
   Call: (242) [system] char_type(r, space)
   Fail: (242) [system] char_type(r, space)
   Call: (242) [system] arg(_833446, v('(', ')', end_of_file), r)
   Fail: (242) [system] arg(_834378, v('(', ')', end_of_file), r)
^  Fail: (241) [user] is_delimiter(r)
   Call: (241) [system] ')'==r
   Fail: (241) [system] ')'==r
   Call: (241) [system] get_char((0x55772f068e50), r)
   Exit: (241) [system] get_char((0x55772f068e50), r)
   Call: (241) [system] r=(\)
   Fail: (241) [system] r=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x55772f068e50), _841728)
   Call: (242) [system] peek_char((0x55772f068e50), _842662)
   Exit: (242) [system] peek_char((0x55772f068e50), o)
^  Call: (242) [user] is_delimiter(o)
   Call: (243) [system] char_type(o, space)
   Fail: (243) [system] char_type(o, space)
   Call: (243) [system] arg(_847382, v('(', ')', end_of_file), o)
   Fail: (243) [system] arg(_848314, v('(', ')', end_of_file), o)
^  Fail: (242) [user] is_delimiter(o)
   Call: (242) [system] ')'==o
   Fail: (242) [system] ')'==o
   Call: (242) [system] get_char((0x55772f068e50), o)
   Exit: (242) [system] get_char((0x55772f068e50), o)
   Call: (242) [system] o=(\)
   Fail: (242) [system] o=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x55772f068e50), _855664)
   Call: (243) [system] peek_char((0x55772f068e50), _856598)
   Exit: (243) [system] peek_char((0x55772f068e50), d)
^  Call: (243) [user] is_delimiter(d)
   Call: (244) [system] char_type(d, space)
   Fail: (244) [system] char_type(d, space)
   Call: (244) [system] arg(_861318, v('(', ')', end_of_file), d)
   Fail: (244) [system] arg(_862250, v('(', ')', end_of_file), d)
^  Fail: (243) [user] is_delimiter(d)
   Call: (243) [system] ')'==d
   Fail: (243) [system] ')'==d
   Call: (243) [system] get_char((0x55772f068e50), d)
   Exit: (243) [system] get_char((0x55772f068e50), d)
   Call: (243) [system] d=(\)
   Fail: (243) [system] d=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x55772f068e50), _869600)
   Call: (244) [system] peek_char((0x55772f068e50), _870534)
   Exit: (244) [system] peek_char((0x55772f068e50), u)
^  Call: (244) [user] is_delimiter(u)
   Call: (245) [system] char_type(u, space)
   Fail: (245) [system] char_type(u, space)
   Call: (245) [system] arg(_875254, v('(', ')', end_of_file), u)
   Fail: (245) [system] arg(_876186, v('(', ')', end_of_file), u)
^  Fail: (244) [user] is_delimiter(u)
   Call: (244) [system] ')'==u
   Fail: (244) [system] ')'==u
   Call: (244) [system] get_char((0x55772f068e50), u)
   Exit: (244) [system] get_char((0x55772f068e50), u)
   Call: (244) [system] u=(\)
   Fail: (244) [system] u=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x55772f068e50), _883536)
   Call: (245) [system] peek_char((0x55772f068e50), _884470)
   Exit: (245) [system] peek_char((0x55772f068e50), c)
^  Call: (245) [user] is_delimiter(c)
   Call: (246) [system] char_type(c, space)
   Fail: (246) [system] char_type(c, space)
   Call: (246) [system] arg(_889190, v('(', ')', end_of_file), c)
   Fail: (246) [system] arg(_890122, v('(', ')', end_of_file), c)
^  Fail: (245) [user] is_delimiter(c)
   Call: (245) [system] ')'==c
   Fail: (245) [system] ')'==c
   Call: (245) [system] get_char((0x55772f068e50), c)
   Exit: (245) [system] get_char((0x55772f068e50), c)
   Call: (245) [system] c=(\)
   Fail: (245) [system] c=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x55772f068e50), _897472)
   Call: (246) [system] peek_char((0x55772f068e50), _898406)
   Exit: (246) [system] peek_char((0x55772f068e50), t)
^  Call: (246) [user] is_delimiter(t)
   Call: (247) [system] char_type(t, space)
   Fail: (247) [system] char_type(t, space)
   Call: (247) [system] arg(_903126, v('(', ')', end_of_file), t)
   Fail: (247) [system] arg(_904058, v('(', ')', end_of_file), t)
^  Fail: (246) [user] is_delimiter(t)
   Call: (246) [system] ')'==t
   Fail: (246) [system] ')'==t
   Call: (246) [system] get_char((0x55772f068e50), t)
   Exit: (246) [system] get_char((0x55772f068e50), t)
   Call: (246) [system] t=(\)
   Fail: (246) [system] t=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x55772f068e50), _911408)
   Call: (247) [system] peek_char((0x55772f068e50), _912342)
   Exit: (247) [system] peek_char((0x55772f068e50), i)
^  Call: (247) [user] is_delimiter(i)
   Call: (248) [system] char_type(i, space)
   Fail: (248) [system] char_type(i, space)
   Call: (248) [system] arg(_917062, v('(', ')', end_of_file), i)
   Fail: (248) [system] arg(_917994, v('(', ')', end_of_file), i)
^  Fail: (247) [user] is_delimiter(i)
   Call: (247) [system] ')'==i
   Fail: (247) [system] ')'==i
   Call: (247) [system] get_char((0x55772f068e50), i)
   Exit: (247) [system] get_char((0x55772f068e50), i)
   Call: (247) [system] i=(\)
   Fail: (247) [system] i=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x55772f068e50), _925344)
   Call: (248) [system] peek_char((0x55772f068e50), _926278)
   Exit: (248) [system] peek_char((0x55772f068e50), o)
^  Call: (248) [user] is_delimiter(o)
   Call: (249) [system] char_type(o, space)
   Fail: (249) [system] char_type(o, space)
   Call: (249) [system] arg(_930998, v('(', ')', end_of_file), o)
   Fail: (249) [system] arg(_931930, v('(', ')', end_of_file), o)
^  Fail: (248) [user] is_delimiter(o)
   Call: (248) [system] ')'==o
   Fail: (248) [system] ')'==o
   Call: (248) [system] get_char((0x55772f068e50), o)
   Exit: (248) [system] get_char((0x55772f068e50), o)
   Call: (248) [system] o=(\)
   Fail: (248) [system] o=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x55772f068e50), _939280)
   Call: (249) [system] peek_char((0x55772f068e50), _940214)
   Exit: (249) [system] peek_char((0x55772f068e50), n)
^  Call: (249) [user] is_delimiter(n)
   Call: (250) [system] char_type(n, space)
   Fail: (250) [system] char_type(n, space)
   Call: (250) [system] arg(_944934, v('(', ')', end_of_file), n)
   Fail: (250) [system] arg(_945866, v('(', ')', end_of_file), n)
^  Fail: (249) [user] is_delimiter(n)
   Call: (249) [system] ')'==n
   Fail: (249) [system] ')'==n
   Call: (249) [system] get_char((0x55772f068e50), n)
   Exit: (249) [system] get_char((0x55772f068e50), n)
   Call: (249) [system] n=(\)
   Fail: (249) [system] n=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x55772f068e50), _953216)
   Call: (250) [system] peek_char((0x55772f068e50), _954150)
   Exit: (250) [system] peek_char((0x55772f068e50), ' ')
^  Call: (250) [user] is_delimiter(' ')
   Call: (251) [system] char_type(' ', space)
   Exit: (251) [system] char_type(' ', space)
^  Exit: (250) [user] is_delimiter(' ')
   Call: (250) [system] _953216=[]
   Exit: (250) [system] []=[]
^  Exit: (249) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (249) [system] _939280=[n]
   Exit: (249) [system] [n]=[n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (248) [system] _925344=[o, n]
   Exit: (248) [system] [o, n]=[o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (247) [system] _911408=[i, o, n]
   Exit: (247) [system] [i, o, n]=[i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (246) [system] _897472=[t, i, o, n]
   Exit: (246) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (245) [system] _883536=[c, t, i, o, n]
   Exit: (245) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (244) [system] _869600=[u, c, t, i, o, n]
   Exit: (244) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (243) [system] _855664=[d, u, c, t, i, o, n]
   Exit: (243) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (242) [system] _841728=[o, d, u, c, t, i, o, n]
   Exit: (242) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (241) [system] _827792=[r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _813856=[t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _799920=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _785984=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _772048=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _758112=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _744176=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _730240=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _716304=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _702368=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _688432=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _674496=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _660560=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _646624=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (227) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _611114)
^  Call: (228) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1024902)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1025854, _1025856), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1024902), _1025836, fail)), '$restore_trace'(_1025854, _1025856))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1025854, _1025856))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1024902), _1025836, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1024902)
   Fail: (229) [system] atomic(_1024902)
   Call: (229) [system] atom_chars(_1024902, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (229) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (228) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (228) [system] integer('DisjunctionIntroduction')
   Fail: (228) [system] integer('DisjunctionIntroduction')
   Call: (228) [system] _611114='DisjunctionIntroduction'
   Exit: (228) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (227) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (226) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (225) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (225) [user] read_list(')', (0x55772f068e50), _1039852)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1041710)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x55772f068e50), _1051304)
   Exit: (227) [system] get_char((0x55772f068e50), ' ')
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1054008)
   Exit: (228) [system] peek_char((0x55772f068e50), a)
   Call: (228) [system] a=(;)
   Fail: (228) [system] a=(;)
   Call: (228) [system] a=(/)
   Fail: (228) [system] a=(/)
^  Call: (228) [user] is_like_space(a)
   Call: (229) [system] char_type(a, 'white')
   Fail: (229) [system] char_type(a, 'white')
   Call: (229) [system] char_type(a, end_of_line)
   Fail: (229) [system] char_type(a, end_of_line)
   Call: (229) [system] char_type(a, space)
   Fail: (229) [system] char_type(a, space)
   Call: (229) [system] char_type(a, cntrl)
   Fail: (229) [system] char_type(a, cntrl)
^  Fail: (228) [user] is_like_space(a)
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1070942)
   Exit: (226) [system] peek_char((0x55772f068e50), a)
   Call: (226) [system] a=')'
   Fail: (226) [system] a=')'
   Call: (226) [system] a=end_of_file
   Fail: (226) [system] a=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x55772f068e50), _1076512)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1078370)
   Exit: (228) [system] peek_char((0x55772f068e50), a)
   Call: (228) [system] a=(;)
   Fail: (228) [system] a=(;)
   Call: (228) [system] a=(/)
   Fail: (228) [system] a=(/)
^  Call: (228) [user] is_like_space(a)
   Call: (229) [system] char_type(a, 'white')
   Fail: (229) [system] char_type(a, 'white')
   Call: (229) [system] char_type(a, end_of_line)
   Fail: (229) [system] char_type(a, end_of_line)
   Call: (229) [system] char_type(a, space)
   Fail: (229) [system] char_type(a, space)
   Call: (229) [system] char_type(a, cntrl)
   Fail: (229) [system] char_type(a, cntrl)
^  Fail: (228) [user] is_like_space(a)
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] get_char((0x55772f068e50), _1094380)
   Exit: (227) [system] get_char((0x55772f068e50), a)
   Call: (227) [system] a='('
   Fail: (227) [system] a='('
   Call: (227) [system] a='['
   Fail: (227) [system] a='['
   Call: (227) [system] a='{'
   Fail: (227) [system] a='{'
   Call: (227) [system] a='"'
   Fail: (227) [system] a='"'
   Call: (227) [system] a=!
   Fail: (227) [system] a=!
   Call: (227) [system] a='\''
   Fail: (227) [system] a='\''
   Call: (227) [system] a='`'
   Fail: (227) [system] a='`'
   Call: (227) [system] a=end_of_file
   Fail: (227) [system] a=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x55772f068e50), a, _1076512)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1112022)
   Call: (229) [system] peek_char((0x55772f068e50), _1112956)
   Exit: (229) [system] peek_char((0x55772f068e50), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _1112022=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (228) [user] classify_and_convert_charseq([a], _1076512)
^  Call: (229) [user] classify_and_convert_charseq_([a], _1122240)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1123192, _1123194), once(user:catch(read_from_chars([a], _1122240), _1123174, fail)), '$restore_trace'(_1123192, _1123194))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1123192, _1123194))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1123174, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(a)
   Exit: (230) [system] atomic(a)
^  Exit: (229) [user] classify_and_convert_charseq_([a], a)
   Call: (229) [system] integer(a)
   Fail: (229) [system] integer(a)
   Call: (229) [system] _1076512=a
   Exit: (229) [system] a=a
^  Exit: (228) [user] classify_and_convert_charseq([a], a)
^  Exit: (227) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (226) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (226) [user] read_list(')', (0x55772f068e50), _1135320)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1137178)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x55772f068e50), _1146772)
   Exit: (228) [system] get_char((0x55772f068e50), ' ')
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1149476)
   Exit: (229) [system] peek_char((0x55772f068e50), a)
   Call: (229) [system] a=(;)
   Fail: (229) [system] a=(;)
   Call: (229) [system] a=(/)
   Fail: (229) [system] a=(/)
^  Call: (229) [user] is_like_space(a)
   Call: (230) [system] char_type(a, 'white')
   Fail: (230) [system] char_type(a, 'white')
   Call: (230) [system] char_type(a, end_of_line)
   Fail: (230) [system] char_type(a, end_of_line)
   Call: (230) [system] char_type(a, space)
   Fail: (230) [system] char_type(a, space)
   Call: (230) [system] char_type(a, cntrl)
   Fail: (230) [system] char_type(a, cntrl)
^  Fail: (229) [user] is_like_space(a)
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1166410)
   Exit: (227) [system] peek_char((0x55772f068e50), a)
   Call: (227) [system] a=')'
   Fail: (227) [system] a=')'
   Call: (227) [system] a=end_of_file
   Fail: (227) [system] a=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x55772f068e50), _1171980)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1173838)
   Exit: (229) [system] peek_char((0x55772f068e50), a)
   Call: (229) [system] a=(;)
   Fail: (229) [system] a=(;)
   Call: (229) [system] a=(/)
   Fail: (229) [system] a=(/)
^  Call: (229) [user] is_like_space(a)
   Call: (230) [system] char_type(a, 'white')
   Fail: (230) [system] char_type(a, 'white')
   Call: (230) [system] char_type(a, end_of_line)
   Fail: (230) [system] char_type(a, end_of_line)
   Call: (230) [system] char_type(a, space)
   Fail: (230) [system] char_type(a, space)
   Call: (230) [system] char_type(a, cntrl)
   Fail: (230) [system] char_type(a, cntrl)
^  Fail: (229) [user] is_like_space(a)
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] get_char((0x55772f068e50), _1189848)
   Exit: (228) [system] get_char((0x55772f068e50), a)
   Call: (228) [system] a='('
   Fail: (228) [system] a='('
   Call: (228) [system] a='['
   Fail: (228) [system] a='['
   Call: (228) [system] a='{'
   Fail: (228) [system] a='{'
   Call: (228) [system] a='"'
   Fail: (228) [system] a='"'
   Call: (228) [system] a=!
   Fail: (228) [system] a=!
   Call: (228) [system] a='\''
   Fail: (228) [system] a='\''
   Call: (228) [system] a='`'
   Fail: (228) [system] a='`'
   Call: (228) [system] a=end_of_file
   Fail: (228) [system] a=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x55772f068e50), a, _1171980)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1207490)
   Call: (230) [system] peek_char((0x55772f068e50), _1208424)
   Exit: (230) [system] peek_char((0x55772f068e50), ')')
^  Call: (230) [user] is_delimiter(')')
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] arg(_1213144, v('(', ')', end_of_file), ')')
   Exit: (231) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (230) [user] is_delimiter(')')
   Call: (230) [system] _1207490=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (229) [user] classify_and_convert_charseq([a], _1171980)
^  Call: (230) [user] classify_and_convert_charseq_([a], _1219580)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1220532, _1220534), once(user:catch(read_from_chars([a], _1219580), _1220514, fail)), '$restore_trace'(_1220532, _1220534))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1220532, _1220534))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1220514, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(a)
   Exit: (231) [system] atomic(a)
^  Exit: (230) [user] classify_and_convert_charseq_([a], a)
   Call: (230) [system] integer(a)
   Fail: (230) [system] integer(a)
   Call: (230) [system] _1171980=a
   Exit: (230) [system] a=a
^  Exit: (229) [user] classify_and_convert_charseq([a], a)
^  Exit: (228) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (227) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (227) [user] read_list(')', (0x55772f068e50), _1232660)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1234518)
   Exit: (229) [system] peek_char((0x55772f068e50), ')')
   Call: (229) [system] ')'=(;)
   Fail: (229) [system] ')'=(;)
   Call: (229) [system] ')'=(/)
   Fail: (229) [system] ')'=(/)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Fail: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Fail: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
   Fail: (230) [system] char_type(')', cntrl)
^  Fail: (229) [user] is_like_space(')')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1250528)
   Exit: (228) [system] peek_char((0x55772f068e50), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x55772f068e50), _1254318)
   Exit: (228) [system] get_char((0x55772f068e50), ')')
   Call: (228) [system] _1232660=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x55772f068e50), [])
   Call: (227) [system] _1135320=[a]
   Exit: (227) [system] [a]=[a]
^  Exit: (226) [user] read_list(')', (0x55772f068e50), [a])
   Call: (226) [system] _1039852=[a, a]
   Exit: (226) [system] [a, a]=[a, a]
^  Exit: (225) [user] read_list(')', (0x55772f068e50), [a, a])
   Call: (225) [system] _566096=['DisjunctionIntroduction', a, a]
   Exit: (225) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (224) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', a, a])
^  Exit: (223) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', a, a])
^  Call: (223) [user] read_list(')', (0x55772f068e50), _1268200)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1270058)
   Exit: (225) [system] peek_char((0x55772f068e50), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x55772f068e50), _1279652)
   Exit: (225) [system] get_char((0x55772f068e50), ' ')
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1282356)
   Exit: (226) [system] peek_char((0x55772f068e50), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1299290)
   Exit: (224) [system] peek_char((0x55772f068e50), '(')
   Call: (224) [system] '('=')'
   Fail: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
   Fail: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x55772f068e50), _1304860)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1306718)
   Exit: (226) [system] peek_char((0x55772f068e50), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] get_char((0x55772f068e50), _1322728)
   Exit: (225) [system] get_char((0x55772f068e50), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x55772f068e50), _1304860)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1328298)
   Exit: (227) [system] peek_char((0x55772f068e50), 'O')
   Call: (227) [system] 'O'=(;)
   Fail: (227) [system] 'O'=(;)
   Call: (227) [system] 'O'=(/)
   Fail: (227) [system] 'O'=(/)
^  Call: (227) [user] is_like_space('O')
   Call: (228) [system] char_type('O', 'white')
   Fail: (228) [system] char_type('O', 'white')
   Call: (228) [system] char_type('O', end_of_line)
   Fail: (228) [system] char_type('O', end_of_line)
   Call: (228) [system] char_type('O', space)
   Fail: (228) [system] char_type('O', space)
   Call: (228) [system] char_type('O', cntrl)
   Fail: (228) [system] char_type('O', cntrl)
^  Fail: (227) [user] is_like_space('O')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1344308)
   Exit: (226) [system] peek_char((0x55772f068e50), 'O')
   Call: (226) [system] 'O'=')'
   Fail: (226) [system] 'O'=')'
   Call: (226) [system] 'O'=end_of_file
   Fail: (226) [system] 'O'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x55772f068e50), _1349878)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1351736)
   Exit: (228) [system] peek_char((0x55772f068e50), 'O')
   Call: (228) [system] 'O'=(;)
   Fail: (228) [system] 'O'=(;)
   Call: (228) [system] 'O'=(/)
   Fail: (228) [system] 'O'=(/)
^  Call: (228) [user] is_like_space('O')
   Call: (229) [system] char_type('O', 'white')
   Fail: (229) [system] char_type('O', 'white')
   Call: (229) [system] char_type('O', end_of_line)
   Fail: (229) [system] char_type('O', end_of_line)
   Call: (229) [system] char_type('O', space)
   Fail: (229) [system] char_type('O', space)
   Call: (229) [system] char_type('O', cntrl)
   Fail: (229) [system] char_type('O', cntrl)
^  Fail: (228) [user] is_like_space('O')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] get_char((0x55772f068e50), _1367746)
   Exit: (227) [system] get_char((0x55772f068e50), 'O')
   Call: (227) [system] 'O'='('
   Fail: (227) [system] 'O'='('
   Call: (227) [system] 'O'='['
   Fail: (227) [system] 'O'='['
   Call: (227) [system] 'O'='{'
   Fail: (227) [system] 'O'='{'
   Call: (227) [system] 'O'='"'
   Fail: (227) [system] 'O'='"'
   Call: (227) [system] 'O'=!
   Fail: (227) [system] 'O'=!
   Call: (227) [system] 'O'='\''
   Fail: (227) [system] 'O'='\''
   Call: (227) [system] 'O'='`'
   Fail: (227) [system] 'O'='`'
   Call: (227) [system] 'O'=end_of_file
   Fail: (227) [system] 'O'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x55772f068e50), 'O', _1349878)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1385388)
   Call: (229) [system] peek_char((0x55772f068e50), _1386322)
   Exit: (229) [system] peek_char((0x55772f068e50), r)
^  Call: (229) [user] is_delimiter(r)
   Call: (230) [system] char_type(r, space)
   Fail: (230) [system] char_type(r, space)
   Call: (230) [system] arg(_1391042, v('(', ')', end_of_file), r)
   Fail: (230) [system] arg(_1391974, v('(', ')', end_of_file), r)
^  Fail: (229) [user] is_delimiter(r)
   Call: (229) [system] ')'==r
   Fail: (229) [system] ')'==r
   Call: (229) [system] get_char((0x55772f068e50), r)
   Exit: (229) [system] get_char((0x55772f068e50), r)
   Call: (229) [system] r=(\)
   Fail: (229) [system] r=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1399324)
   Call: (230) [system] peek_char((0x55772f068e50), _1400258)
   Exit: (230) [system] peek_char((0x55772f068e50), 'L')
^  Call: (230) [user] is_delimiter('L')
   Call: (231) [system] char_type('L', space)
   Fail: (231) [system] char_type('L', space)
   Call: (231) [system] arg(_1404978, v('(', ')', end_of_file), 'L')
   Fail: (231) [system] arg(_1405910, v('(', ')', end_of_file), 'L')
^  Fail: (230) [user] is_delimiter('L')
   Call: (230) [system] ')'=='L'
   Fail: (230) [system] ')'=='L'
   Call: (230) [system] get_char((0x55772f068e50), 'L')
   Exit: (230) [system] get_char((0x55772f068e50), 'L')
   Call: (230) [system] 'L'=(\)
   Fail: (230) [system] 'L'=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1413260)
   Call: (231) [system] peek_char((0x55772f068e50), _1414194)
   Exit: (231) [system] peek_char((0x55772f068e50), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1418914, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_1419846, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x55772f068e50), i)
   Exit: (231) [system] get_char((0x55772f068e50), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1427196)
   Call: (232) [system] peek_char((0x55772f068e50), _1428130)
   Exit: (232) [system] peek_char((0x55772f068e50), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_1432850, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_1433782, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x55772f068e50), n)
   Exit: (232) [system] get_char((0x55772f068e50), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1441132)
   Call: (233) [system] peek_char((0x55772f068e50), _1442066)
   Exit: (233) [system] peek_char((0x55772f068e50), k)
^  Call: (233) [user] is_delimiter(k)
   Call: (234) [system] char_type(k, space)
   Fail: (234) [system] char_type(k, space)
   Call: (234) [system] arg(_1446786, v('(', ')', end_of_file), k)
   Fail: (234) [system] arg(_1447718, v('(', ')', end_of_file), k)
^  Fail: (233) [user] is_delimiter(k)
   Call: (233) [system] ')'==k
   Fail: (233) [system] ')'==k
   Call: (233) [system] get_char((0x55772f068e50), k)
   Exit: (233) [system] get_char((0x55772f068e50), k)
   Call: (233) [system] k=(\)
   Fail: (233) [system] k=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1455068)
   Call: (234) [system] peek_char((0x55772f068e50), _1456002)
   Exit: (234) [system] peek_char((0x55772f068e50), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _1455068=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (233) [system] _1441132=[k]
   Exit: (233) [system] [k]=[k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (232) [system] _1427196=[n, k]
   Exit: (232) [system] [n, k]=[n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (231) [system] _1413260=[i, n, k]
   Exit: (231) [system] [i, n, k]=[i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (230) [system] _1399324=['L', i, n, k]
   Exit: (230) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (229) [system] _1385388=[r, 'L', i, n, k]
   Exit: (229) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (228) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1349878)
^  Call: (229) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1479256)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1480208, _1480210), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1479256), _1480190, fail)), '$restore_trace'(_1480208, _1480210))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1480208, _1480210))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1479256), _1480190, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1479256)
   Fail: (230) [system] atomic(_1479256)
   Call: (230) [system] atom_chars(_1479256, ['O', r, 'L', i, n, k])
   Exit: (230) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (229) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (229) [system] integer('OrLink')
   Fail: (229) [system] integer('OrLink')
   Call: (229) [system] _1349878='OrLink'
   Exit: (229) [system] 'OrLink'='OrLink'
^  Exit: (228) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (227) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (226) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (226) [user] read_list(')', (0x55772f068e50), _1494206)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1496064)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x55772f068e50), _1505658)
   Exit: (228) [system] get_char((0x55772f068e50), ' ')
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1508362)
   Exit: (229) [system] peek_char((0x55772f068e50), 'A')
   Call: (229) [system] 'A'=(;)
   Fail: (229) [system] 'A'=(;)
   Call: (229) [system] 'A'=(/)
   Fail: (229) [system] 'A'=(/)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Fail: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Fail: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Fail: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
   Fail: (230) [system] char_type('A', cntrl)
^  Fail: (229) [user] is_like_space('A')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1525296)
   Exit: (227) [system] peek_char((0x55772f068e50), 'A')
   Call: (227) [system] 'A'=')'
   Fail: (227) [system] 'A'=')'
   Call: (227) [system] 'A'=end_of_file
   Fail: (227) [system] 'A'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x55772f068e50), _1530866)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1532724)
   Exit: (229) [system] peek_char((0x55772f068e50), 'A')
   Call: (229) [system] 'A'=(;)
   Fail: (229) [system] 'A'=(;)
   Call: (229) [system] 'A'=(/)
   Fail: (229) [system] 'A'=(/)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Fail: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Fail: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Fail: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
   Fail: (230) [system] char_type('A', cntrl)
^  Fail: (229) [user] is_like_space('A')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] get_char((0x55772f068e50), _1548734)
   Exit: (228) [system] get_char((0x55772f068e50), 'A')
   Call: (228) [system] 'A'='('
   Fail: (228) [system] 'A'='('
   Call: (228) [system] 'A'='['
   Fail: (228) [system] 'A'='['
   Call: (228) [system] 'A'='{'
   Fail: (228) [system] 'A'='{'
   Call: (228) [system] 'A'='"'
   Fail: (228) [system] 'A'='"'
   Call: (228) [system] 'A'=!
   Fail: (228) [system] 'A'=!
   Call: (228) [system] 'A'='\''
   Fail: (228) [system] 'A'='\''
   Call: (228) [system] 'A'='`'
   Fail: (228) [system] 'A'='`'
   Call: (228) [system] 'A'=end_of_file
   Fail: (228) [system] 'A'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x55772f068e50), 'A', _1530866)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1566376)
   Call: (230) [system] peek_char((0x55772f068e50), _1567310)
   Exit: (230) [system] peek_char((0x55772f068e50), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1566376=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (229) [user] classify_and_convert_charseq(['A'], _1530866)
^  Call: (230) [user] classify_and_convert_charseq_(['A'], _1576594)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1577546, _1577548), once(user:catch(read_from_chars(['A'], _1576594), _1577528, fail)), '$restore_trace'(_1577546, _1577548))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1577546, _1577548))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1576594), _1577528, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1576594)
   Fail: (231) [system] atomic(_1576594)
   Call: (231) [system] atom_chars(_1576594, ['A'])
   Exit: (231) [system] atom_chars('A', ['A'])
^  Exit: (230) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (230) [system] integer('A')
   Fail: (230) [system] integer('A')
   Call: (230) [system] _1530866='A'
   Exit: (230) [system] 'A'='A'
^  Exit: (229) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (228) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (227) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (227) [user] read_list(')', (0x55772f068e50), _1591544)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1593402)
   Exit: (229) [system] peek_char((0x55772f068e50), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x55772f068e50), _1602996)
   Exit: (229) [system] get_char((0x55772f068e50), ' ')
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1605700)
   Exit: (230) [system] peek_char((0x55772f068e50), 'A')
   Call: (230) [system] 'A'=(;)
   Fail: (230) [system] 'A'=(;)
   Call: (230) [system] 'A'=(/)
   Fail: (230) [system] 'A'=(/)
^  Call: (230) [user] is_like_space('A')
   Call: (231) [system] char_type('A', 'white')
   Fail: (231) [system] char_type('A', 'white')
   Call: (231) [system] char_type('A', end_of_line)
   Fail: (231) [system] char_type('A', end_of_line)
   Call: (231) [system] char_type('A', space)
   Fail: (231) [system] char_type('A', space)
   Call: (231) [system] char_type('A', cntrl)
   Fail: (231) [system] char_type('A', cntrl)
^  Fail: (230) [user] is_like_space('A')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1622634)
   Exit: (228) [system] peek_char((0x55772f068e50), 'A')
   Call: (228) [system] 'A'=')'
   Fail: (228) [system] 'A'=')'
   Call: (228) [system] 'A'=end_of_file
   Fail: (228) [system] 'A'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x55772f068e50), _1628204)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1630062)
   Exit: (230) [system] peek_char((0x55772f068e50), 'A')
   Call: (230) [system] 'A'=(;)
   Fail: (230) [system] 'A'=(;)
   Call: (230) [system] 'A'=(/)
   Fail: (230) [system] 'A'=(/)
^  Call: (230) [user] is_like_space('A')
   Call: (231) [system] char_type('A', 'white')
   Fail: (231) [system] char_type('A', 'white')
   Call: (231) [system] char_type('A', end_of_line)
   Fail: (231) [system] char_type('A', end_of_line)
   Call: (231) [system] char_type('A', space)
   Fail: (231) [system] char_type('A', space)
   Call: (231) [system] char_type('A', cntrl)
   Fail: (231) [system] char_type('A', cntrl)
^  Fail: (230) [user] is_like_space('A')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] get_char((0x55772f068e50), _1646072)
   Exit: (229) [system] get_char((0x55772f068e50), 'A')
   Call: (229) [system] 'A'='('
   Fail: (229) [system] 'A'='('
   Call: (229) [system] 'A'='['
   Fail: (229) [system] 'A'='['
   Call: (229) [system] 'A'='{'
   Fail: (229) [system] 'A'='{'
   Call: (229) [system] 'A'='"'
   Fail: (229) [system] 'A'='"'
   Call: (229) [system] 'A'=!
   Fail: (229) [system] 'A'=!
   Call: (229) [system] 'A'='\''
   Fail: (229) [system] 'A'='\''
   Call: (229) [system] 'A'='`'
   Fail: (229) [system] 'A'='`'
   Call: (229) [system] 'A'=end_of_file
   Fail: (229) [system] 'A'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x55772f068e50), 'A', _1628204)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1663714)
   Call: (231) [system] peek_char((0x55772f068e50), _1664648)
   Exit: (231) [system] peek_char((0x55772f068e50), ')')
^  Call: (231) [user] is_delimiter(')')
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] arg(_1669368, v('(', ')', end_of_file), ')')
   Exit: (232) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (231) [user] is_delimiter(')')
   Call: (231) [system] _1663714=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (230) [user] classify_and_convert_charseq(['A'], _1628204)
^  Call: (231) [user] classify_and_convert_charseq_(['A'], _1675804)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1676756, _1676758), once(user:catch(read_from_chars(['A'], _1675804), _1676738, fail)), '$restore_trace'(_1676756, _1676758))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1676756, _1676758))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1675804), _1676738, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_1675804)
   Fail: (232) [system] atomic(_1675804)
   Call: (232) [system] atom_chars(_1675804, ['A'])
   Exit: (232) [system] atom_chars('A', ['A'])
^  Exit: (231) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (231) [system] integer('A')
   Fail: (231) [system] integer('A')
   Call: (231) [system] _1628204='A'
   Exit: (231) [system] 'A'='A'
^  Exit: (230) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (229) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (228) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (228) [user] read_list(')', (0x55772f068e50), _1690754)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1692612)
   Exit: (230) [system] peek_char((0x55772f068e50), ')')
   Call: (230) [system] ')'=(;)
   Fail: (230) [system] ')'=(;)
   Call: (230) [system] ')'=(/)
   Fail: (230) [system] ')'=(/)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Fail: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Fail: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
   Fail: (231) [system] char_type(')', cntrl)
^  Fail: (230) [user] is_like_space(')')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1708622)
   Exit: (229) [system] peek_char((0x55772f068e50), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x55772f068e50), _1712412)
   Exit: (229) [system] get_char((0x55772f068e50), ')')
   Call: (229) [system] _1690754=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x55772f068e50), [])
   Call: (228) [system] _1591544=['A']
   Exit: (228) [system] ['A']=['A']
^  Exit: (227) [user] read_list(')', (0x55772f068e50), ['A'])
   Call: (227) [system] _1494206=['A', 'A']
   Exit: (227) [system] ['A', 'A']=['A', 'A']
^  Exit: (226) [user] read_list(')', (0x55772f068e50), ['A', 'A'])
   Call: (226) [system] _1304860=['OrLink', 'A', 'A']
   Exit: (226) [system] ['OrLink', 'A', 'A']=['OrLink', 'A', 'A']
^  Exit: (225) [user] read_list(')', (0x55772f068e50), ['OrLink', 'A', 'A'])
^  Exit: (224) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'A', 'A'])
^  Call: (224) [user] read_list(')', (0x55772f068e50), _1726294)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1728152)
   Exit: (226) [system] peek_char((0x55772f068e50), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
   Call: (226) [system] ')'=(/)
   Fail: (226) [system] ')'=(/)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1744162)
   Exit: (225) [system] peek_char((0x55772f068e50), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x55772f068e50), _1747952)
   Exit: (225) [system] get_char((0x55772f068e50), ')')
   Call: (225) [system] _1726294=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x55772f068e50), [])
   Call: (224) [system] _1268200=[['OrLink', 'A', 'A']]
   Exit: (224) [system] [['OrLink', 'A', 'A']]=[['OrLink', 'A', 'A']]
^  Exit: (223) [user] read_list(')', (0x55772f068e50), [['OrLink', 'A', 'A']])
   Call: (223) [system] _529436=[['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']]
   Exit: (223) [system] [['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']]=[['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']]
^  Exit: (222) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']])
   Call: (222) [system] _425610=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']]
   Exit: (222) [system] [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']]=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']]
^  Exit: (221) [user] read_list(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']])
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']])
^  Call: (220) [user] read_list(')', (0x55772f068e50), _1761834)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1763692)
   Exit: (222) [system] peek_char((0x55772f068e50), '\n')
   Call: (222) [system] '\n'=(;)
   Fail: (222) [system] '\n'=(;)
   Call: (222) [system] '\n'=(/)
   Fail: (222) [system] '\n'=(/)
^  Call: (222) [user] is_like_space('\n')
   Call: (223) [system] char_type('\n', 'white')
   Fail: (223) [system] char_type('\n', 'white')
   Call: (223) [system] char_type('\n', end_of_line)
   Exit: (223) [system] char_type('\n', end_of_line)
^  Exit: (222) [user] is_like_space('\n')
   Call: (222) [system] get_char((0x55772f068e50), _1775142)
   Exit: (222) [system] get_char((0x55772f068e50), '\n')
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1777846)
   Exit: (223) [system] peek_char((0x55772f068e50), '\t')
   Call: (223) [system] '\t'=(;)
   Fail: (223) [system] '\t'=(;)
   Call: (223) [system] '\t'=(/)
   Fail: (223) [system] '\t'=(/)
^  Call: (223) [user] is_like_space('\t')
   Call: (224) [system] char_type('\t', 'white')
   Exit: (224) [system] char_type('\t', 'white')
^  Exit: (223) [user] is_like_space('\t')
   Call: (223) [system] get_char((0x55772f068e50), _1787440)
   Exit: (223) [system] get_char((0x55772f068e50), '\t')
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1790144)
   Exit: (224) [system] peek_char((0x55772f068e50), '\t')
   Call: (224) [system] '\t'=(;)
   Fail: (224) [system] '\t'=(;)
   Call: (224) [system] '\t'=(/)
   Fail: (224) [system] '\t'=(/)
^  Call: (224) [user] is_like_space('\t')
   Call: (225) [system] char_type('\t', 'white')
   Exit: (225) [system] char_type('\t', 'white')
^  Exit: (224) [user] is_like_space('\t')
   Call: (224) [system] get_char((0x55772f068e50), _1799738)
   Exit: (224) [system] get_char((0x55772f068e50), '\t')
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1802442)
   Exit: (225) [system] peek_char((0x55772f068e50), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x55772f068e50), _1812036)
   Exit: (225) [system] get_char((0x55772f068e50), ' ')
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1814740)
   Exit: (226) [system] peek_char((0x55772f068e50), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1834446)
   Exit: (221) [system] peek_char((0x55772f068e50), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _1840016)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1841874)
   Exit: (223) [system] peek_char((0x55772f068e50), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _1857884)
   Exit: (222) [system] get_char((0x55772f068e50), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x55772f068e50), _1840016)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1863454)
   Exit: (224) [system] peek_char((0x55772f068e50), :)
   Call: (224) [system] (:)=(;)
   Fail: (224) [system] (:)=(;)
   Call: (224) [system] (:)=(/)
   Fail: (224) [system] (:)=(/)
^  Call: (224) [user] is_like_space(:)
   Call: (225) [system] char_type(:, 'white')
   Fail: (225) [system] char_type(:, 'white')
   Call: (225) [system] char_type(:, end_of_line)
   Fail: (225) [system] char_type(:, end_of_line)
   Call: (225) [system] char_type(:, space)
   Fail: (225) [system] char_type(:, space)
   Call: (225) [system] char_type(:, cntrl)
   Fail: (225) [system] char_type(:, cntrl)
^  Fail: (224) [user] is_like_space(:)
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1879464)
   Exit: (223) [system] peek_char((0x55772f068e50), :)
   Call: (223) [system] (:)=')'
   Fail: (223) [system] (:)=')'
   Call: (223) [system] (:)=end_of_file
   Fail: (223) [system] (:)=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x55772f068e50), _1885034)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1886892)
   Exit: (225) [system] peek_char((0x55772f068e50), :)
   Call: (225) [system] (:)=(;)
   Fail: (225) [system] (:)=(;)
   Call: (225) [system] (:)=(/)
   Fail: (225) [system] (:)=(/)
^  Call: (225) [user] is_like_space(:)
   Call: (226) [system] char_type(:, 'white')
   Fail: (226) [system] char_type(:, 'white')
   Call: (226) [system] char_type(:, end_of_line)
   Fail: (226) [system] char_type(:, end_of_line)
   Call: (226) [system] char_type(:, space)
   Fail: (226) [system] char_type(:, space)
   Call: (226) [system] char_type(:, cntrl)
   Fail: (226) [system] char_type(:, cntrl)
^  Fail: (225) [user] is_like_space(:)
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] get_char((0x55772f068e50), _1902902)
   Exit: (224) [system] get_char((0x55772f068e50), :)
   Call: (224) [system] (:)='('
   Fail: (224) [system] (:)='('
   Call: (224) [system] (:)='['
   Fail: (224) [system] (:)='['
   Call: (224) [system] (:)='{'
   Fail: (224) [system] (:)='{'
   Call: (224) [system] (:)='"'
   Fail: (224) [system] (:)='"'
   Call: (224) [system] (:)=!
   Fail: (224) [system] (:)=!
   Call: (224) [system] (:)='\''
   Fail: (224) [system] (:)='\''
   Call: (224) [system] (:)='`'
   Fail: (224) [system] (:)='`'
   Call: (224) [system] (:)=end_of_file
   Fail: (224) [system] (:)=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x55772f068e50), :, _1885034)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1920544)
   Call: (226) [system] peek_char((0x55772f068e50), _1921478)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1920544=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (225) [user] classify_and_convert_charseq([:], _1885034)
^  Call: (226) [user] classify_and_convert_charseq_([:], _1930762)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1931714, _1931716), once(user:catch(read_from_chars([:], _1930762), _1931696, fail)), '$restore_trace'(_1931714, _1931716))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1931714, _1931716))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1931696, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(:)
   Exit: (227) [system] atomic(:)
^  Exit: (226) [user] classify_and_convert_charseq_([:], :)
   Call: (226) [system] integer(:)
   Fail: (226) [system] integer(:)
   Call: (226) [system] _1885034=(:)
   Exit: (226) [system] (:)=(:)
^  Exit: (225) [user] classify_and_convert_charseq([:], :)
^  Exit: (224) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (223) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (223) [user] read_list(')', (0x55772f068e50), _1943842)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1945700)
   Exit: (225) [system] peek_char((0x55772f068e50), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x55772f068e50), _1955294)
   Exit: (225) [system] get_char((0x55772f068e50), ' ')
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1957998)
   Exit: (226) [system] peek_char((0x55772f068e50), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1974932)
   Exit: (224) [system] peek_char((0x55772f068e50), '(')
   Call: (224) [system] '('=')'
   Fail: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
   Fail: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x55772f068e50), _1980502)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1982360)
   Exit: (226) [system] peek_char((0x55772f068e50), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] get_char((0x55772f068e50), _1998370)
   Exit: (225) [system] get_char((0x55772f068e50), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x55772f068e50), _1980502)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _2003940)
   Exit: (227) [system] peek_char((0x55772f068e50), 'D')
   Call: (227) [system] 'D'=(;)
   Fail: (227) [system] 'D'=(;)
   Call: (227) [system] 'D'=(/)
   Fail: (227) [system] 'D'=(/)
^  Call: (227) [user] is_like_space('D')
   Call: (228) [system] char_type('D', 'white')
   Fail: (228) [system] char_type('D', 'white')
   Call: (228) [system] char_type('D', end_of_line)
   Fail: (228) [system] char_type('D', end_of_line)
   Call: (228) [system] char_type('D', space)
   Fail: (228) [system] char_type('D', space)
   Call: (228) [system] char_type('D', cntrl)
   Fail: (228) [system] char_type('D', cntrl)
^  Fail: (227) [user] is_like_space('D')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _2019950)
   Exit: (226) [system] peek_char((0x55772f068e50), 'D')
   Call: (226) [system] 'D'=')'
   Fail: (226) [system] 'D'=')'
   Call: (226) [system] 'D'=end_of_file
   Fail: (226) [system] 'D'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x55772f068e50), _2025520)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _2027378)
   Exit: (228) [system] peek_char((0x55772f068e50), 'D')
   Call: (228) [system] 'D'=(;)
   Fail: (228) [system] 'D'=(;)
   Call: (228) [system] 'D'=(/)
   Fail: (228) [system] 'D'=(/)
^  Call: (228) [user] is_like_space('D')
   Call: (229) [system] char_type('D', 'white')
   Fail: (229) [system] char_type('D', 'white')
   Call: (229) [system] char_type('D', end_of_line)
   Fail: (229) [system] char_type('D', end_of_line)
   Call: (229) [system] char_type('D', space)
   Fail: (229) [system] char_type('D', space)
   Call: (229) [system] char_type('D', cntrl)
   Fail: (229) [system] char_type('D', cntrl)
^  Fail: (228) [user] is_like_space('D')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] get_char((0x55772f068e50), _2043388)
   Exit: (227) [system] get_char((0x55772f068e50), 'D')
   Call: (227) [system] 'D'='('
   Fail: (227) [system] 'D'='('
   Call: (227) [system] 'D'='['
   Fail: (227) [system] 'D'='['
   Call: (227) [system] 'D'='{'
   Fail: (227) [system] 'D'='{'
   Call: (227) [system] 'D'='"'
   Fail: (227) [system] 'D'='"'
   Call: (227) [system] 'D'=!
   Fail: (227) [system] 'D'=!
   Call: (227) [system] 'D'='\''
   Fail: (227) [system] 'D'='\''
   Call: (227) [system] 'D'='`'
   Fail: (227) [system] 'D'='`'
   Call: (227) [system] 'D'=end_of_file
   Fail: (227) [system] 'D'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x55772f068e50), 'D', _2025520)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _2061030)
   Call: (229) [system] peek_char((0x55772f068e50), _2061964)
   Exit: (229) [system] peek_char((0x55772f068e50), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_2066684, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_2067616, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x55772f068e50), i)
   Exit: (229) [system] get_char((0x55772f068e50), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _2074966)
   Call: (230) [system] peek_char((0x55772f068e50), _2075900)
   Exit: (230) [system] peek_char((0x55772f068e50), s)
^  Call: (230) [user] is_delimiter(s)
   Call: (231) [system] char_type(s, space)
   Fail: (231) [system] char_type(s, space)
   Call: (231) [system] arg(_2080620, v('(', ')', end_of_file), s)
   Fail: (231) [system] arg(_2081552, v('(', ')', end_of_file), s)
^  Fail: (230) [user] is_delimiter(s)
   Call: (230) [system] ')'==s
   Fail: (230) [system] ')'==s
   Call: (230) [system] get_char((0x55772f068e50), s)
   Exit: (230) [system] get_char((0x55772f068e50), s)
   Call: (230) [system] s=(\)
   Fail: (230) [system] s=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _2088902)
   Call: (231) [system] peek_char((0x55772f068e50), _2089836)
   Exit: (231) [system] peek_char((0x55772f068e50), j)
^  Call: (231) [user] is_delimiter(j)
   Call: (232) [system] char_type(j, space)
   Fail: (232) [system] char_type(j, space)
   Call: (232) [system] arg(_2094556, v('(', ')', end_of_file), j)
   Fail: (232) [system] arg(_2095488, v('(', ')', end_of_file), j)
^  Fail: (231) [user] is_delimiter(j)
   Call: (231) [system] ')'==j
   Fail: (231) [system] ')'==j
   Call: (231) [system] get_char((0x55772f068e50), j)
   Exit: (231) [system] get_char((0x55772f068e50), j)
   Call: (231) [system] j=(\)
   Fail: (231) [system] j=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _12446)
   Call: (232) [system] peek_char((0x55772f068e50), _13380)
   Exit: (232) [system] peek_char((0x55772f068e50), u)
^  Call: (232) [user] is_delimiter(u)
   Call: (233) [system] char_type(u, space)
   Fail: (233) [system] char_type(u, space)
   Call: (233) [system] arg(_18100, v('(', ')', end_of_file), u)
   Fail: (233) [system] arg(_19032, v('(', ')', end_of_file), u)
^  Fail: (232) [user] is_delimiter(u)
   Call: (232) [system] ')'==u
   Fail: (232) [system] ')'==u
   Call: (232) [system] get_char((0x55772f068e50), u)
   Exit: (232) [system] get_char((0x55772f068e50), u)
   Call: (232) [system] u=(\)
   Fail: (232) [system] u=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _26382)
   Call: (233) [system] peek_char((0x55772f068e50), _27316)
   Exit: (233) [system] peek_char((0x55772f068e50), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_32036, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_32968, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x55772f068e50), n)
   Exit: (233) [system] get_char((0x55772f068e50), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _40318)
   Call: (234) [system] peek_char((0x55772f068e50), _41252)
   Exit: (234) [system] peek_char((0x55772f068e50), c)
^  Call: (234) [user] is_delimiter(c)
   Call: (235) [system] char_type(c, space)
   Fail: (235) [system] char_type(c, space)
   Call: (235) [system] arg(_45972, v('(', ')', end_of_file), c)
   Fail: (235) [system] arg(_46904, v('(', ')', end_of_file), c)
^  Fail: (234) [user] is_delimiter(c)
   Call: (234) [system] ')'==c
   Fail: (234) [system] ')'==c
   Call: (234) [system] get_char((0x55772f068e50), c)
   Exit: (234) [system] get_char((0x55772f068e50), c)
   Call: (234) [system] c=(\)
   Fail: (234) [system] c=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _54254)
   Call: (235) [system] peek_char((0x55772f068e50), _55188)
   Exit: (235) [system] peek_char((0x55772f068e50), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Fail: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_59908, v('(', ')', end_of_file), t)
   Fail: (236) [system] arg(_60840, v('(', ')', end_of_file), t)
^  Fail: (235) [user] is_delimiter(t)
   Call: (235) [system] ')'==t
   Fail: (235) [system] ')'==t
   Call: (235) [system] get_char((0x55772f068e50), t)
   Exit: (235) [system] get_char((0x55772f068e50), t)
   Call: (235) [system] t=(\)
   Fail: (235) [system] t=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _68190)
   Call: (236) [system] peek_char((0x55772f068e50), _69124)
   Exit: (236) [system] peek_char((0x55772f068e50), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Fail: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_73844, v('(', ')', end_of_file), i)
   Fail: (237) [system] arg(_74776, v('(', ')', end_of_file), i)
^  Fail: (236) [user] is_delimiter(i)
   Call: (236) [system] ')'==i
   Fail: (236) [system] ')'==i
   Call: (236) [system] get_char((0x55772f068e50), i)
   Exit: (236) [system] get_char((0x55772f068e50), i)
   Call: (236) [system] i=(\)
   Fail: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _82126)
   Call: (237) [system] peek_char((0x55772f068e50), _83060)
   Exit: (237) [system] peek_char((0x55772f068e50), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Fail: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_87780, v('(', ')', end_of_file), o)
   Fail: (238) [system] arg(_88712, v('(', ')', end_of_file), o)
^  Fail: (237) [user] is_delimiter(o)
   Call: (237) [system] ')'==o
   Fail: (237) [system] ')'==o
   Call: (237) [system] get_char((0x55772f068e50), o)
   Exit: (237) [system] get_char((0x55772f068e50), o)
   Call: (237) [system] o=(\)
   Fail: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _96062)
   Call: (238) [system] peek_char((0x55772f068e50), _96996)
   Exit: (238) [system] peek_char((0x55772f068e50), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Fail: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_101716, v('(', ')', end_of_file), n)
   Fail: (239) [system] arg(_102648, v('(', ')', end_of_file), n)
^  Fail: (238) [user] is_delimiter(n)
   Call: (238) [system] ')'==n
   Fail: (238) [system] ')'==n
   Call: (238) [system] get_char((0x55772f068e50), n)
   Exit: (238) [system] get_char((0x55772f068e50), n)
   Call: (238) [system] n=(\)
   Fail: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _109998)
   Call: (239) [system] peek_char((0x55772f068e50), _110932)
   Exit: (239) [system] peek_char((0x55772f068e50), 'I')
^  Call: (239) [user] is_delimiter('I')
   Call: (240) [system] char_type('I', space)
   Fail: (240) [system] char_type('I', space)
   Call: (240) [system] arg(_115652, v('(', ')', end_of_file), 'I')
   Fail: (240) [system] arg(_116584, v('(', ')', end_of_file), 'I')
^  Fail: (239) [user] is_delimiter('I')
   Call: (239) [system] ')'=='I'
   Fail: (239) [system] ')'=='I'
   Call: (239) [system] get_char((0x55772f068e50), 'I')
   Exit: (239) [system] get_char((0x55772f068e50), 'I')
   Call: (239) [system] 'I'=(\)
   Fail: (239) [system] 'I'=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _123934)
   Call: (240) [system] peek_char((0x55772f068e50), _124868)
   Exit: (240) [system] peek_char((0x55772f068e50), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Fail: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_129588, v('(', ')', end_of_file), n)
   Fail: (241) [system] arg(_130520, v('(', ')', end_of_file), n)
^  Fail: (240) [user] is_delimiter(n)
   Call: (240) [system] ')'==n
   Fail: (240) [system] ')'==n
   Call: (240) [system] get_char((0x55772f068e50), n)
   Exit: (240) [system] get_char((0x55772f068e50), n)
   Call: (240) [system] n=(\)
   Fail: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _137870)
   Call: (241) [system] peek_char((0x55772f068e50), _138804)
   Exit: (241) [system] peek_char((0x55772f068e50), t)
^  Call: (241) [user] is_delimiter(t)
   Call: (242) [system] char_type(t, space)
   Fail: (242) [system] char_type(t, space)
   Call: (242) [system] arg(_143524, v('(', ')', end_of_file), t)
   Fail: (242) [system] arg(_144456, v('(', ')', end_of_file), t)
^  Fail: (241) [user] is_delimiter(t)
   Call: (241) [system] ')'==t
   Fail: (241) [system] ')'==t
   Call: (241) [system] get_char((0x55772f068e50), t)
   Exit: (241) [system] get_char((0x55772f068e50), t)
   Call: (241) [system] t=(\)
   Fail: (241) [system] t=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x55772f068e50), _151806)
   Call: (242) [system] peek_char((0x55772f068e50), _152740)
   Exit: (242) [system] peek_char((0x55772f068e50), r)
^  Call: (242) [user] is_delimiter(r)
   Call: (243) [system] char_type(r, space)
   Fail: (243) [system] char_type(r, space)
   Call: (243) [system] arg(_157460, v('(', ')', end_of_file), r)
   Fail: (243) [system] arg(_158392, v('(', ')', end_of_file), r)
^  Fail: (242) [user] is_delimiter(r)
   Call: (242) [system] ')'==r
   Fail: (242) [system] ')'==r
   Call: (242) [system] get_char((0x55772f068e50), r)
   Exit: (242) [system] get_char((0x55772f068e50), r)
   Call: (242) [system] r=(\)
   Fail: (242) [system] r=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x55772f068e50), _165742)
   Call: (243) [system] peek_char((0x55772f068e50), _166676)
   Exit: (243) [system] peek_char((0x55772f068e50), o)
^  Call: (243) [user] is_delimiter(o)
   Call: (244) [system] char_type(o, space)
   Fail: (244) [system] char_type(o, space)
   Call: (244) [system] arg(_171396, v('(', ')', end_of_file), o)
   Fail: (244) [system] arg(_172328, v('(', ')', end_of_file), o)
^  Fail: (243) [user] is_delimiter(o)
   Call: (243) [system] ')'==o
   Fail: (243) [system] ')'==o
   Call: (243) [system] get_char((0x55772f068e50), o)
   Exit: (243) [system] get_char((0x55772f068e50), o)
   Call: (243) [system] o=(\)
   Fail: (243) [system] o=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x55772f068e50), _179678)
   Call: (244) [system] peek_char((0x55772f068e50), _180612)
   Exit: (244) [system] peek_char((0x55772f068e50), d)
^  Call: (244) [user] is_delimiter(d)
   Call: (245) [system] char_type(d, space)
   Fail: (245) [system] char_type(d, space)
   Call: (245) [system] arg(_185332, v('(', ')', end_of_file), d)
   Fail: (245) [system] arg(_186264, v('(', ')', end_of_file), d)
^  Fail: (244) [user] is_delimiter(d)
   Call: (244) [system] ')'==d
   Fail: (244) [system] ')'==d
   Call: (244) [system] get_char((0x55772f068e50), d)
   Exit: (244) [system] get_char((0x55772f068e50), d)
   Call: (244) [system] d=(\)
   Fail: (244) [system] d=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x55772f068e50), _193614)
   Call: (245) [system] peek_char((0x55772f068e50), _194548)
   Exit: (245) [system] peek_char((0x55772f068e50), u)
^  Call: (245) [user] is_delimiter(u)
   Call: (246) [system] char_type(u, space)
   Fail: (246) [system] char_type(u, space)
   Call: (246) [system] arg(_199268, v('(', ')', end_of_file), u)
   Fail: (246) [system] arg(_200200, v('(', ')', end_of_file), u)
^  Fail: (245) [user] is_delimiter(u)
   Call: (245) [system] ')'==u
   Fail: (245) [system] ')'==u
   Call: (245) [system] get_char((0x55772f068e50), u)
   Exit: (245) [system] get_char((0x55772f068e50), u)
   Call: (245) [system] u=(\)
   Fail: (245) [system] u=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x55772f068e50), _207550)
   Call: (246) [system] peek_char((0x55772f068e50), _208484)
   Exit: (246) [system] peek_char((0x55772f068e50), c)
^  Call: (246) [user] is_delimiter(c)
   Call: (247) [system] char_type(c, space)
   Fail: (247) [system] char_type(c, space)
   Call: (247) [system] arg(_213204, v('(', ')', end_of_file), c)
   Fail: (247) [system] arg(_214136, v('(', ')', end_of_file), c)
^  Fail: (246) [user] is_delimiter(c)
   Call: (246) [system] ')'==c
   Fail: (246) [system] ')'==c
   Call: (246) [system] get_char((0x55772f068e50), c)
   Exit: (246) [system] get_char((0x55772f068e50), c)
   Call: (246) [system] c=(\)
   Fail: (246) [system] c=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x55772f068e50), _221486)
   Call: (247) [system] peek_char((0x55772f068e50), _222420)
   Exit: (247) [system] peek_char((0x55772f068e50), t)
^  Call: (247) [user] is_delimiter(t)
   Call: (248) [system] char_type(t, space)
   Fail: (248) [system] char_type(t, space)
   Call: (248) [system] arg(_227140, v('(', ')', end_of_file), t)
   Fail: (248) [system] arg(_228072, v('(', ')', end_of_file), t)
^  Fail: (247) [user] is_delimiter(t)
   Call: (247) [system] ')'==t
   Fail: (247) [system] ')'==t
   Call: (247) [system] get_char((0x55772f068e50), t)
   Exit: (247) [system] get_char((0x55772f068e50), t)
   Call: (247) [system] t=(\)
   Fail: (247) [system] t=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x55772f068e50), _235422)
   Call: (248) [system] peek_char((0x55772f068e50), _236356)
   Exit: (248) [system] peek_char((0x55772f068e50), i)
^  Call: (248) [user] is_delimiter(i)
   Call: (249) [system] char_type(i, space)
   Fail: (249) [system] char_type(i, space)
   Call: (249) [system] arg(_241076, v('(', ')', end_of_file), i)
   Fail: (249) [system] arg(_242008, v('(', ')', end_of_file), i)
^  Fail: (248) [user] is_delimiter(i)
   Call: (248) [system] ')'==i
   Fail: (248) [system] ')'==i
   Call: (248) [system] get_char((0x55772f068e50), i)
   Exit: (248) [system] get_char((0x55772f068e50), i)
   Call: (248) [system] i=(\)
   Fail: (248) [system] i=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x55772f068e50), _249358)
   Call: (249) [system] peek_char((0x55772f068e50), _250292)
   Exit: (249) [system] peek_char((0x55772f068e50), o)
^  Call: (249) [user] is_delimiter(o)
   Call: (250) [system] char_type(o, space)
   Fail: (250) [system] char_type(o, space)
   Call: (250) [system] arg(_255012, v('(', ')', end_of_file), o)
   Fail: (250) [system] arg(_255944, v('(', ')', end_of_file), o)
^  Fail: (249) [user] is_delimiter(o)
   Call: (249) [system] ')'==o
   Fail: (249) [system] ')'==o
   Call: (249) [system] get_char((0x55772f068e50), o)
   Exit: (249) [system] get_char((0x55772f068e50), o)
   Call: (249) [system] o=(\)
   Fail: (249) [system] o=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x55772f068e50), _263294)
   Call: (250) [system] peek_char((0x55772f068e50), _264228)
   Exit: (250) [system] peek_char((0x55772f068e50), n)
^  Call: (250) [user] is_delimiter(n)
   Call: (251) [system] char_type(n, space)
   Fail: (251) [system] char_type(n, space)
   Call: (251) [system] arg(_268948, v('(', ')', end_of_file), n)
   Fail: (251) [system] arg(_269880, v('(', ')', end_of_file), n)
^  Fail: (250) [user] is_delimiter(n)
   Call: (250) [system] ')'==n
   Fail: (250) [system] ')'==n
   Call: (250) [system] get_char((0x55772f068e50), n)
   Exit: (250) [system] get_char((0x55772f068e50), n)
   Call: (250) [system] n=(\)
   Fail: (250) [system] n=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x55772f068e50), _277230)
   Call: (251) [system] peek_char((0x55772f068e50), _278164)
   Exit: (251) [system] peek_char((0x55772f068e50), ' ')
^  Call: (251) [user] is_delimiter(' ')
   Call: (252) [system] char_type(' ', space)
   Exit: (252) [system] char_type(' ', space)
^  Exit: (251) [user] is_delimiter(' ')
   Call: (251) [system] _277230=[]
   Exit: (251) [system] []=[]
^  Exit: (250) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (250) [system] _263294=[n]
   Exit: (250) [system] [n]=[n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (249) [system] _249358=[o, n]
   Exit: (249) [system] [o, n]=[o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (248) [system] _235422=[i, o, n]
   Exit: (248) [system] [i, o, n]=[i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (247) [system] _221486=[t, i, o, n]
   Exit: (247) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (246) [system] _207550=[c, t, i, o, n]
   Exit: (246) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (245) [system] _193614=[u, c, t, i, o, n]
   Exit: (245) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (244) [system] _179678=[d, u, c, t, i, o, n]
   Exit: (244) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (243) [system] _165742=[o, d, u, c, t, i, o, n]
   Exit: (243) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (242) [system] _151806=[r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _137870=[t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _123934=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _109998=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _96062=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _82126=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _68190=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _54254=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _40318=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _26382=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _12446=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _6352=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _6348=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _6344=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (228) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _6340)
^  Call: (229) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _348916)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_349868, _349870), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _348916), _349850, fail)), '$restore_trace'(_349868, _349870))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_349868, _349870))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _348916), _349850, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_348916)
   Fail: (230) [system] atomic(_348916)
   Call: (230) [system] atom_chars(_348916, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (230) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (229) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (229) [system] integer('DisjunctionIntroduction')
   Fail: (229) [system] integer('DisjunctionIntroduction')
   Call: (229) [system] _6340='DisjunctionIntroduction'
   Exit: (229) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (228) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (227) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (226) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (226) [user] read_list(')', (0x55772f068e50), _363866)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _365724)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x55772f068e50), _375318)
   Exit: (228) [system] get_char((0x55772f068e50), ' ')
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _378022)
   Exit: (229) [system] peek_char((0x55772f068e50), a)
   Call: (229) [system] a=(;)
   Fail: (229) [system] a=(;)
   Call: (229) [system] a=(/)
   Fail: (229) [system] a=(/)
^  Call: (229) [user] is_like_space(a)
   Call: (230) [system] char_type(a, 'white')
   Fail: (230) [system] char_type(a, 'white')
   Call: (230) [system] char_type(a, end_of_line)
   Fail: (230) [system] char_type(a, end_of_line)
   Call: (230) [system] char_type(a, space)
   Fail: (230) [system] char_type(a, space)
   Call: (230) [system] char_type(a, cntrl)
   Fail: (230) [system] char_type(a, cntrl)
^  Fail: (229) [user] is_like_space(a)
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _394956)
   Exit: (227) [system] peek_char((0x55772f068e50), a)
   Call: (227) [system] a=')'
   Fail: (227) [system] a=')'
   Call: (227) [system] a=end_of_file
   Fail: (227) [system] a=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x55772f068e50), _400526)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _402384)
   Exit: (229) [system] peek_char((0x55772f068e50), a)
   Call: (229) [system] a=(;)
   Fail: (229) [system] a=(;)
   Call: (229) [system] a=(/)
   Fail: (229) [system] a=(/)
^  Call: (229) [user] is_like_space(a)
   Call: (230) [system] char_type(a, 'white')
   Fail: (230) [system] char_type(a, 'white')
   Call: (230) [system] char_type(a, end_of_line)
   Fail: (230) [system] char_type(a, end_of_line)
   Call: (230) [system] char_type(a, space)
   Fail: (230) [system] char_type(a, space)
   Call: (230) [system] char_type(a, cntrl)
   Fail: (230) [system] char_type(a, cntrl)
^  Fail: (229) [user] is_like_space(a)
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] get_char((0x55772f068e50), _418394)
   Exit: (228) [system] get_char((0x55772f068e50), a)
   Call: (228) [system] a='('
   Fail: (228) [system] a='('
   Call: (228) [system] a='['
   Fail: (228) [system] a='['
   Call: (228) [system] a='{'
   Fail: (228) [system] a='{'
   Call: (228) [system] a='"'
   Fail: (228) [system] a='"'
   Call: (228) [system] a=!
   Fail: (228) [system] a=!
   Call: (228) [system] a='\''
   Fail: (228) [system] a='\''
   Call: (228) [system] a='`'
   Fail: (228) [system] a='`'
   Call: (228) [system] a=end_of_file
   Fail: (228) [system] a=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x55772f068e50), a, _400526)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _436036)
   Call: (230) [system] peek_char((0x55772f068e50), _436970)
   Exit: (230) [system] peek_char((0x55772f068e50), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _436036=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (229) [user] classify_and_convert_charseq([a], _400526)
^  Call: (230) [user] classify_and_convert_charseq_([a], _446254)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_447206, _447208), once(user:catch(read_from_chars([a], _446254), _447188, fail)), '$restore_trace'(_447206, _447208))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_447206, _447208))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _447188, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(a)
   Exit: (231) [system] atomic(a)
^  Exit: (230) [user] classify_and_convert_charseq_([a], a)
   Call: (230) [system] integer(a)
   Fail: (230) [system] integer(a)
   Call: (230) [system] _400526=a
   Exit: (230) [system] a=a
^  Exit: (229) [user] classify_and_convert_charseq([a], a)
^  Exit: (228) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (227) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (227) [user] read_list(')', (0x55772f068e50), _459334)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _461192)
   Exit: (229) [system] peek_char((0x55772f068e50), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x55772f068e50), _470786)
   Exit: (229) [system] get_char((0x55772f068e50), ' ')
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _473490)
   Exit: (230) [system] peek_char((0x55772f068e50), a)
   Call: (230) [system] a=(;)
   Fail: (230) [system] a=(;)
   Call: (230) [system] a=(/)
   Fail: (230) [system] a=(/)
^  Call: (230) [user] is_like_space(a)
   Call: (231) [system] char_type(a, 'white')
   Fail: (231) [system] char_type(a, 'white')
   Call: (231) [system] char_type(a, end_of_line)
   Fail: (231) [system] char_type(a, end_of_line)
   Call: (231) [system] char_type(a, space)
   Fail: (231) [system] char_type(a, space)
   Call: (231) [system] char_type(a, cntrl)
   Fail: (231) [system] char_type(a, cntrl)
^  Fail: (230) [user] is_like_space(a)
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _490424)
   Exit: (228) [system] peek_char((0x55772f068e50), a)
   Call: (228) [system] a=')'
   Fail: (228) [system] a=')'
   Call: (228) [system] a=end_of_file
   Fail: (228) [system] a=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x55772f068e50), _495994)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _497852)
   Exit: (230) [system] peek_char((0x55772f068e50), a)
   Call: (230) [system] a=(;)
   Fail: (230) [system] a=(;)
   Call: (230) [system] a=(/)
   Fail: (230) [system] a=(/)
^  Call: (230) [user] is_like_space(a)
   Call: (231) [system] char_type(a, 'white')
   Fail: (231) [system] char_type(a, 'white')
   Call: (231) [system] char_type(a, end_of_line)
   Fail: (231) [system] char_type(a, end_of_line)
   Call: (231) [system] char_type(a, space)
   Fail: (231) [system] char_type(a, space)
   Call: (231) [system] char_type(a, cntrl)
   Fail: (231) [system] char_type(a, cntrl)
^  Fail: (230) [user] is_like_space(a)
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] get_char((0x55772f068e50), _513862)
   Exit: (229) [system] get_char((0x55772f068e50), a)
   Call: (229) [system] a='('
   Fail: (229) [system] a='('
   Call: (229) [system] a='['
   Fail: (229) [system] a='['
   Call: (229) [system] a='{'
   Fail: (229) [system] a='{'
   Call: (229) [system] a='"'
   Fail: (229) [system] a='"'
   Call: (229) [system] a=!
   Fail: (229) [system] a=!
   Call: (229) [system] a='\''
   Fail: (229) [system] a='\''
   Call: (229) [system] a='`'
   Fail: (229) [system] a='`'
   Call: (229) [system] a=end_of_file
   Fail: (229) [system] a=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x55772f068e50), a, _495994)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _531504)
   Call: (231) [system] peek_char((0x55772f068e50), _532438)
   Exit: (231) [system] peek_char((0x55772f068e50), ')')
^  Call: (231) [user] is_delimiter(')')
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] arg(_537158, v('(', ')', end_of_file), ')')
   Exit: (232) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (231) [user] is_delimiter(')')
   Call: (231) [system] _531504=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (230) [user] classify_and_convert_charseq([a], _495994)
^  Call: (231) [user] classify_and_convert_charseq_([a], _543594)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_544546, _544548), once(user:catch(read_from_chars([a], _543594), _544528, fail)), '$restore_trace'(_544546, _544548))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_544546, _544548))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _544528, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(a)
   Exit: (232) [system] atomic(a)
^  Exit: (231) [user] classify_and_convert_charseq_([a], a)
   Call: (231) [system] integer(a)
   Fail: (231) [system] integer(a)
   Call: (231) [system] _495994=a
   Exit: (231) [system] a=a
^  Exit: (230) [user] classify_and_convert_charseq([a], a)
^  Exit: (229) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (228) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (228) [user] read_list(')', (0x55772f068e50), _556674)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _558532)
   Exit: (230) [system] peek_char((0x55772f068e50), ')')
   Call: (230) [system] ')'=(;)
   Fail: (230) [system] ')'=(;)
   Call: (230) [system] ')'=(/)
   Fail: (230) [system] ')'=(/)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Fail: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Fail: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
   Fail: (231) [system] char_type(')', cntrl)
^  Fail: (230) [user] is_like_space(')')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _574542)
   Exit: (229) [system] peek_char((0x55772f068e50), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x55772f068e50), _578332)
   Exit: (229) [system] get_char((0x55772f068e50), ')')
   Call: (229) [system] _556674=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x55772f068e50), [])
   Call: (228) [system] _459334=[a]
   Exit: (228) [system] [a]=[a]
^  Exit: (227) [user] read_list(')', (0x55772f068e50), [a])
   Call: (227) [system] _363866=[a, a]
   Exit: (227) [system] [a, a]=[a, a]
^  Exit: (226) [user] read_list(')', (0x55772f068e50), [a, a])
   Call: (226) [system] _6334=['DisjunctionIntroduction', a, a]
   Exit: (226) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (225) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', a, a])
^  Exit: (224) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', a, a])
^  Call: (224) [user] read_list(')', (0x55772f068e50), _592214)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _594072)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x55772f068e50), _603666)
   Exit: (226) [system] get_char((0x55772f068e50), ' ')
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _606370)
   Exit: (227) [system] peek_char((0x55772f068e50), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _623304)
   Exit: (225) [system] peek_char((0x55772f068e50), '(')
   Call: (225) [system] '('=')'
   Fail: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
   Fail: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x55772f068e50), _628874)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _630732)
   Exit: (227) [system] peek_char((0x55772f068e50), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] get_char((0x55772f068e50), _646742)
   Exit: (226) [system] get_char((0x55772f068e50), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x55772f068e50), _628874)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _652312)
   Exit: (228) [system] peek_char((0x55772f068e50), 'O')
   Call: (228) [system] 'O'=(;)
   Fail: (228) [system] 'O'=(;)
   Call: (228) [system] 'O'=(/)
   Fail: (228) [system] 'O'=(/)
^  Call: (228) [user] is_like_space('O')
   Call: (229) [system] char_type('O', 'white')
   Fail: (229) [system] char_type('O', 'white')
   Call: (229) [system] char_type('O', end_of_line)
   Fail: (229) [system] char_type('O', end_of_line)
   Call: (229) [system] char_type('O', space)
   Fail: (229) [system] char_type('O', space)
   Call: (229) [system] char_type('O', cntrl)
   Fail: (229) [system] char_type('O', cntrl)
^  Fail: (228) [user] is_like_space('O')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _668322)
   Exit: (227) [system] peek_char((0x55772f068e50), 'O')
   Call: (227) [system] 'O'=')'
   Fail: (227) [system] 'O'=')'
   Call: (227) [system] 'O'=end_of_file
   Fail: (227) [system] 'O'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x55772f068e50), _673892)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _675750)
   Exit: (229) [system] peek_char((0x55772f068e50), 'O')
   Call: (229) [system] 'O'=(;)
   Fail: (229) [system] 'O'=(;)
   Call: (229) [system] 'O'=(/)
   Fail: (229) [system] 'O'=(/)
^  Call: (229) [user] is_like_space('O')
   Call: (230) [system] char_type('O', 'white')
   Fail: (230) [system] char_type('O', 'white')
   Call: (230) [system] char_type('O', end_of_line)
   Fail: (230) [system] char_type('O', end_of_line)
   Call: (230) [system] char_type('O', space)
   Fail: (230) [system] char_type('O', space)
   Call: (230) [system] char_type('O', cntrl)
   Fail: (230) [system] char_type('O', cntrl)
^  Fail: (229) [user] is_like_space('O')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] get_char((0x55772f068e50), _691760)
   Exit: (228) [system] get_char((0x55772f068e50), 'O')
   Call: (228) [system] 'O'='('
   Fail: (228) [system] 'O'='('
   Call: (228) [system] 'O'='['
   Fail: (228) [system] 'O'='['
   Call: (228) [system] 'O'='{'
   Fail: (228) [system] 'O'='{'
   Call: (228) [system] 'O'='"'
   Fail: (228) [system] 'O'='"'
   Call: (228) [system] 'O'=!
   Fail: (228) [system] 'O'=!
   Call: (228) [system] 'O'='\''
   Fail: (228) [system] 'O'='\''
   Call: (228) [system] 'O'='`'
   Fail: (228) [system] 'O'='`'
   Call: (228) [system] 'O'=end_of_file
   Fail: (228) [system] 'O'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x55772f068e50), 'O', _673892)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _709402)
   Call: (230) [system] peek_char((0x55772f068e50), _710336)
   Exit: (230) [system] peek_char((0x55772f068e50), r)
^  Call: (230) [user] is_delimiter(r)
   Call: (231) [system] char_type(r, space)
   Fail: (231) [system] char_type(r, space)
   Call: (231) [system] arg(_715056, v('(', ')', end_of_file), r)
   Fail: (231) [system] arg(_715988, v('(', ')', end_of_file), r)
^  Fail: (230) [user] is_delimiter(r)
   Call: (230) [system] ')'==r
   Fail: (230) [system] ')'==r
   Call: (230) [system] get_char((0x55772f068e50), r)
   Exit: (230) [system] get_char((0x55772f068e50), r)
   Call: (230) [system] r=(\)
   Fail: (230) [system] r=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _723338)
   Call: (231) [system] peek_char((0x55772f068e50), _724272)
   Exit: (231) [system] peek_char((0x55772f068e50), 'L')
^  Call: (231) [user] is_delimiter('L')
   Call: (232) [system] char_type('L', space)
   Fail: (232) [system] char_type('L', space)
   Call: (232) [system] arg(_728992, v('(', ')', end_of_file), 'L')
   Fail: (232) [system] arg(_729924, v('(', ')', end_of_file), 'L')
^  Fail: (231) [user] is_delimiter('L')
   Call: (231) [system] ')'=='L'
   Fail: (231) [system] ')'=='L'
   Call: (231) [system] get_char((0x55772f068e50), 'L')
   Exit: (231) [system] get_char((0x55772f068e50), 'L')
   Call: (231) [system] 'L'=(\)
   Fail: (231) [system] 'L'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _737274)
   Call: (232) [system] peek_char((0x55772f068e50), _738208)
   Exit: (232) [system] peek_char((0x55772f068e50), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_742928, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_743860, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x55772f068e50), i)
   Exit: (232) [system] get_char((0x55772f068e50), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _751210)
   Call: (233) [system] peek_char((0x55772f068e50), _752144)
   Exit: (233) [system] peek_char((0x55772f068e50), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_756864, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_757796, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x55772f068e50), n)
   Exit: (233) [system] get_char((0x55772f068e50), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _765146)
   Call: (234) [system] peek_char((0x55772f068e50), _766080)
   Exit: (234) [system] peek_char((0x55772f068e50), k)
^  Call: (234) [user] is_delimiter(k)
   Call: (235) [system] char_type(k, space)
   Fail: (235) [system] char_type(k, space)
   Call: (235) [system] arg(_770800, v('(', ')', end_of_file), k)
   Fail: (235) [system] arg(_771732, v('(', ')', end_of_file), k)
^  Fail: (234) [user] is_delimiter(k)
   Call: (234) [system] ')'==k
   Fail: (234) [system] ')'==k
   Call: (234) [system] get_char((0x55772f068e50), k)
   Exit: (234) [system] get_char((0x55772f068e50), k)
   Call: (234) [system] k=(\)
   Fail: (234) [system] k=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _779082)
   Call: (235) [system] peek_char((0x55772f068e50), _780016)
   Exit: (235) [system] peek_char((0x55772f068e50), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _779082=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (234) [system] _765146=[k]
   Exit: (234) [system] [k]=[k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (233) [system] _751210=[n, k]
   Exit: (233) [system] [n, k]=[n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (232) [system] _737274=[i, n, k]
   Exit: (232) [system] [i, n, k]=[i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (231) [system] _723338=['L', i, n, k]
   Exit: (231) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (230) [system] _709402=[r, 'L', i, n, k]
   Exit: (230) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (229) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _673892)
^  Call: (230) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _803270)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_804222, _804224), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _803270), _804204, fail)), '$restore_trace'(_804222, _804224))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_804222, _804224))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _803270), _804204, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_803270)
   Fail: (231) [system] atomic(_803270)
   Call: (231) [system] atom_chars(_803270, ['O', r, 'L', i, n, k])
   Exit: (231) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (230) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (230) [system] integer('OrLink')
   Fail: (230) [system] integer('OrLink')
   Call: (230) [system] _673892='OrLink'
   Exit: (230) [system] 'OrLink'='OrLink'
^  Exit: (229) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (228) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (227) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (227) [user] read_list(')', (0x55772f068e50), _818220)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _820078)
   Exit: (229) [system] peek_char((0x55772f068e50), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x55772f068e50), _829672)
   Exit: (229) [system] get_char((0x55772f068e50), ' ')
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _832376)
   Exit: (230) [system] peek_char((0x55772f068e50), 'A')
   Call: (230) [system] 'A'=(;)
   Fail: (230) [system] 'A'=(;)
   Call: (230) [system] 'A'=(/)
   Fail: (230) [system] 'A'=(/)
^  Call: (230) [user] is_like_space('A')
   Call: (231) [system] char_type('A', 'white')
   Fail: (231) [system] char_type('A', 'white')
   Call: (231) [system] char_type('A', end_of_line)
   Fail: (231) [system] char_type('A', end_of_line)
   Call: (231) [system] char_type('A', space)
   Fail: (231) [system] char_type('A', space)
   Call: (231) [system] char_type('A', cntrl)
   Fail: (231) [system] char_type('A', cntrl)
^  Fail: (230) [user] is_like_space('A')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _849310)
   Exit: (228) [system] peek_char((0x55772f068e50), 'A')
   Call: (228) [system] 'A'=')'
   Fail: (228) [system] 'A'=')'
   Call: (228) [system] 'A'=end_of_file
   Fail: (228) [system] 'A'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x55772f068e50), _854880)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _856738)
   Exit: (230) [system] peek_char((0x55772f068e50), 'A')
   Call: (230) [system] 'A'=(;)
   Fail: (230) [system] 'A'=(;)
   Call: (230) [system] 'A'=(/)
   Fail: (230) [system] 'A'=(/)
^  Call: (230) [user] is_like_space('A')
   Call: (231) [system] char_type('A', 'white')
   Fail: (231) [system] char_type('A', 'white')
   Call: (231) [system] char_type('A', end_of_line)
   Fail: (231) [system] char_type('A', end_of_line)
   Call: (231) [system] char_type('A', space)
   Fail: (231) [system] char_type('A', space)
   Call: (231) [system] char_type('A', cntrl)
   Fail: (231) [system] char_type('A', cntrl)
^  Fail: (230) [user] is_like_space('A')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] get_char((0x55772f068e50), _872748)
   Exit: (229) [system] get_char((0x55772f068e50), 'A')
   Call: (229) [system] 'A'='('
   Fail: (229) [system] 'A'='('
   Call: (229) [system] 'A'='['
   Fail: (229) [system] 'A'='['
   Call: (229) [system] 'A'='{'
   Fail: (229) [system] 'A'='{'
   Call: (229) [system] 'A'='"'
   Fail: (229) [system] 'A'='"'
   Call: (229) [system] 'A'=!
   Fail: (229) [system] 'A'=!
   Call: (229) [system] 'A'='\''
   Fail: (229) [system] 'A'='\''
   Call: (229) [system] 'A'='`'
   Fail: (229) [system] 'A'='`'
   Call: (229) [system] 'A'=end_of_file
   Fail: (229) [system] 'A'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x55772f068e50), 'A', _854880)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _890390)
   Call: (231) [system] peek_char((0x55772f068e50), _891324)
   Exit: (231) [system] peek_char((0x55772f068e50), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _890390=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (230) [user] classify_and_convert_charseq(['A'], _854880)
^  Call: (231) [user] classify_and_convert_charseq_(['A'], _900608)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_901560, _901562), once(user:catch(read_from_chars(['A'], _900608), _901542, fail)), '$restore_trace'(_901560, _901562))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_901560, _901562))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _900608), _901542, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_900608)
   Fail: (232) [system] atomic(_900608)
   Call: (232) [system] atom_chars(_900608, ['A'])
   Exit: (232) [system] atom_chars('A', ['A'])
^  Exit: (231) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (231) [system] integer('A')
   Fail: (231) [system] integer('A')
   Call: (231) [system] _854880='A'
   Exit: (231) [system] 'A'='A'
^  Exit: (230) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (229) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (228) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (228) [user] read_list(')', (0x55772f068e50), _915558)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _917416)
   Exit: (230) [system] peek_char((0x55772f068e50), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
   Call: (230) [system] ' '=(/)
   Fail: (230) [system] ' '=(/)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x55772f068e50), _927010)
   Exit: (230) [system] get_char((0x55772f068e50), ' ')
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _929714)
   Exit: (231) [system] peek_char((0x55772f068e50), 'B')
   Call: (231) [system] 'B'=(;)
   Fail: (231) [system] 'B'=(;)
   Call: (231) [system] 'B'=(/)
   Fail: (231) [system] 'B'=(/)
^  Call: (231) [user] is_like_space('B')
   Call: (232) [system] char_type('B', 'white')
   Fail: (232) [system] char_type('B', 'white')
   Call: (232) [system] char_type('B', end_of_line)
   Fail: (232) [system] char_type('B', end_of_line)
   Call: (232) [system] char_type('B', space)
   Fail: (232) [system] char_type('B', space)
   Call: (232) [system] char_type('B', cntrl)
   Fail: (232) [system] char_type('B', cntrl)
^  Fail: (231) [user] is_like_space('B')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _946648)
   Exit: (229) [system] peek_char((0x55772f068e50), 'B')
   Call: (229) [system] 'B'=')'
   Fail: (229) [system] 'B'=')'
   Call: (229) [system] 'B'=end_of_file
   Fail: (229) [system] 'B'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x55772f068e50), _952218)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _954076)
   Exit: (231) [system] peek_char((0x55772f068e50), 'B')
   Call: (231) [system] 'B'=(;)
   Fail: (231) [system] 'B'=(;)
   Call: (231) [system] 'B'=(/)
   Fail: (231) [system] 'B'=(/)
^  Call: (231) [user] is_like_space('B')
   Call: (232) [system] char_type('B', 'white')
   Fail: (232) [system] char_type('B', 'white')
   Call: (232) [system] char_type('B', end_of_line)
   Fail: (232) [system] char_type('B', end_of_line)
   Call: (232) [system] char_type('B', space)
   Fail: (232) [system] char_type('B', space)
   Call: (232) [system] char_type('B', cntrl)
   Fail: (232) [system] char_type('B', cntrl)
^  Fail: (231) [user] is_like_space('B')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] get_char((0x55772f068e50), _970086)
   Exit: (230) [system] get_char((0x55772f068e50), 'B')
   Call: (230) [system] 'B'='('
   Fail: (230) [system] 'B'='('
   Call: (230) [system] 'B'='['
   Fail: (230) [system] 'B'='['
   Call: (230) [system] 'B'='{'
   Fail: (230) [system] 'B'='{'
   Call: (230) [system] 'B'='"'
   Fail: (230) [system] 'B'='"'
   Call: (230) [system] 'B'=!
   Fail: (230) [system] 'B'=!
   Call: (230) [system] 'B'='\''
   Fail: (230) [system] 'B'='\''
   Call: (230) [system] 'B'='`'
   Fail: (230) [system] 'B'='`'
   Call: (230) [system] 'B'=end_of_file
   Fail: (230) [system] 'B'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x55772f068e50), 'B', _952218)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _987728)
   Call: (232) [system] peek_char((0x55772f068e50), _988662)
   Exit: (232) [system] peek_char((0x55772f068e50), ')')
^  Call: (232) [user] is_delimiter(')')
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] arg(_993382, v('(', ')', end_of_file), ')')
   Exit: (233) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (232) [user] is_delimiter(')')
   Call: (232) [system] _987728=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (231) [user] classify_and_convert_charseq(['B'], _952218)
^  Call: (232) [user] classify_and_convert_charseq_(['B'], _999818)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1000770, _1000772), once(user:catch(read_from_chars(['B'], _999818), _1000752, fail)), '$restore_trace'(_1000770, _1000772))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1000770, _1000772))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _999818), _1000752, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_999818)
   Fail: (233) [system] atomic(_999818)
   Call: (233) [system] atom_chars(_999818, ['B'])
   Exit: (233) [system] atom_chars('B', ['B'])
^  Exit: (232) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (232) [system] integer('B')
   Fail: (232) [system] integer('B')
   Call: (232) [system] _952218='B'
   Exit: (232) [system] 'B'='B'
^  Exit: (231) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (230) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (229) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (229) [user] read_list(')', (0x55772f068e50), _1014768)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1016626)
   Exit: (231) [system] peek_char((0x55772f068e50), ')')
   Call: (231) [system] ')'=(;)
   Fail: (231) [system] ')'=(;)
   Call: (231) [system] ')'=(/)
   Fail: (231) [system] ')'=(/)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Fail: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Fail: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
   Fail: (232) [system] char_type(')', cntrl)
^  Fail: (231) [user] is_like_space(')')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1032636)
   Exit: (230) [system] peek_char((0x55772f068e50), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x55772f068e50), _1036426)
   Exit: (230) [system] get_char((0x55772f068e50), ')')
   Call: (230) [system] _1014768=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x55772f068e50), [])
   Call: (229) [system] _915558=['B']
   Exit: (229) [system] ['B']=['B']
^  Exit: (228) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (228) [system] _818220=['A', 'B']
   Exit: (228) [system] ['A', 'B']=['A', 'B']
^  Exit: (227) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (227) [system] _628874=['OrLink', 'A', 'B']
   Exit: (227) [system] ['OrLink', 'A', 'B']=['OrLink', 'A', 'B']
^  Exit: (226) [user] read_list(')', (0x55772f068e50), ['OrLink', 'A', 'B'])
^  Exit: (225) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'A', 'B'])
^  Call: (225) [user] read_list(')', (0x55772f068e50), _1050308)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1052166)
   Exit: (227) [system] peek_char((0x55772f068e50), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
   Call: (227) [system] ')'=(/)
   Fail: (227) [system] ')'=(/)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1068176)
   Exit: (226) [system] peek_char((0x55772f068e50), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x55772f068e50), _1071966)
   Exit: (226) [system] get_char((0x55772f068e50), ')')
   Call: (226) [system] _1050308=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x55772f068e50), [])
   Call: (225) [system] _592214=[['OrLink', 'A', 'B']]
   Exit: (225) [system] [['OrLink', 'A', 'B']]=[['OrLink', 'A', 'B']]
^  Exit: (224) [user] read_list(')', (0x55772f068e50), [['OrLink', 'A', 'B']])
   Call: (224) [system] _6330=[['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']]
   Exit: (224) [system] [['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']]=[['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']]
^  Exit: (223) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']])
   Call: (223) [system] _6322=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']]
   Exit: (223) [system] [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']]=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']]
^  Exit: (222) [user] read_list(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']])
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']])
^  Call: (221) [user] read_list(')', (0x55772f068e50), _1085848)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1087706)
   Exit: (223) [system] peek_char((0x55772f068e50), '\n')
   Call: (223) [system] '\n'=(;)
   Fail: (223) [system] '\n'=(;)
   Call: (223) [system] '\n'=(/)
   Fail: (223) [system] '\n'=(/)
^  Call: (223) [user] is_like_space('\n')
   Call: (224) [system] char_type('\n', 'white')
   Fail: (224) [system] char_type('\n', 'white')
   Call: (224) [system] char_type('\n', end_of_line)
   Exit: (224) [system] char_type('\n', end_of_line)
^  Exit: (223) [user] is_like_space('\n')
   Call: (223) [system] get_char((0x55772f068e50), _1099156)
   Exit: (223) [system] get_char((0x55772f068e50), '\n')
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1101860)
   Exit: (224) [system] peek_char((0x55772f068e50), '\t')
   Call: (224) [system] '\t'=(;)
   Fail: (224) [system] '\t'=(;)
   Call: (224) [system] '\t'=(/)
   Fail: (224) [system] '\t'=(/)
^  Call: (224) [user] is_like_space('\t')
   Call: (225) [system] char_type('\t', 'white')
   Exit: (225) [system] char_type('\t', 'white')
^  Exit: (224) [user] is_like_space('\t')
   Call: (224) [system] get_char((0x55772f068e50), _1111454)
   Exit: (224) [system] get_char((0x55772f068e50), '\t')
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1114158)
   Exit: (225) [system] peek_char((0x55772f068e50), '\t')
   Call: (225) [system] '\t'=(;)
   Fail: (225) [system] '\t'=(;)
   Call: (225) [system] '\t'=(/)
   Fail: (225) [system] '\t'=(/)
^  Call: (225) [user] is_like_space('\t')
   Call: (226) [system] char_type('\t', 'white')
   Exit: (226) [system] char_type('\t', 'white')
^  Exit: (225) [user] is_like_space('\t')
   Call: (225) [system] get_char((0x55772f068e50), _1123752)
   Exit: (225) [system] get_char((0x55772f068e50), '\t')
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1126456)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x55772f068e50), _1136050)
   Exit: (226) [system] get_char((0x55772f068e50), ' ')
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1138754)
   Exit: (227) [system] peek_char((0x55772f068e50), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1158460)
   Exit: (222) [system] peek_char((0x55772f068e50), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _1164030)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1165888)
   Exit: (224) [system] peek_char((0x55772f068e50), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _1181898)
   Exit: (223) [system] get_char((0x55772f068e50), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x55772f068e50), _1164030)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1187468)
   Exit: (225) [system] peek_char((0x55772f068e50), :)
   Call: (225) [system] (:)=(;)
   Fail: (225) [system] (:)=(;)
   Call: (225) [system] (:)=(/)
   Fail: (225) [system] (:)=(/)
^  Call: (225) [user] is_like_space(:)
   Call: (226) [system] char_type(:, 'white')
   Fail: (226) [system] char_type(:, 'white')
   Call: (226) [system] char_type(:, end_of_line)
   Fail: (226) [system] char_type(:, end_of_line)
   Call: (226) [system] char_type(:, space)
   Fail: (226) [system] char_type(:, space)
   Call: (226) [system] char_type(:, cntrl)
   Fail: (226) [system] char_type(:, cntrl)
^  Fail: (225) [user] is_like_space(:)
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1203478)
   Exit: (224) [system] peek_char((0x55772f068e50), :)
   Call: (224) [system] (:)=')'
   Fail: (224) [system] (:)=')'
   Call: (224) [system] (:)=end_of_file
   Fail: (224) [system] (:)=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x55772f068e50), _1209048)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1210906)
   Exit: (226) [system] peek_char((0x55772f068e50), :)
   Call: (226) [system] (:)=(;)
   Fail: (226) [system] (:)=(;)
   Call: (226) [system] (:)=(/)
   Fail: (226) [system] (:)=(/)
^  Call: (226) [user] is_like_space(:)
   Call: (227) [system] char_type(:, 'white')
   Fail: (227) [system] char_type(:, 'white')
   Call: (227) [system] char_type(:, end_of_line)
   Fail: (227) [system] char_type(:, end_of_line)
   Call: (227) [system] char_type(:, space)
   Fail: (227) [system] char_type(:, space)
   Call: (227) [system] char_type(:, cntrl)
   Fail: (227) [system] char_type(:, cntrl)
^  Fail: (226) [user] is_like_space(:)
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] get_char((0x55772f068e50), _1226916)
   Exit: (225) [system] get_char((0x55772f068e50), :)
   Call: (225) [system] (:)='('
   Fail: (225) [system] (:)='('
   Call: (225) [system] (:)='['
   Fail: (225) [system] (:)='['
   Call: (225) [system] (:)='{'
   Fail: (225) [system] (:)='{'
   Call: (225) [system] (:)='"'
   Fail: (225) [system] (:)='"'
   Call: (225) [system] (:)=!
   Fail: (225) [system] (:)=!
   Call: (225) [system] (:)='\''
   Fail: (225) [system] (:)='\''
   Call: (225) [system] (:)='`'
   Fail: (225) [system] (:)='`'
   Call: (225) [system] (:)=end_of_file
   Fail: (225) [system] (:)=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x55772f068e50), :, _1209048)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1244558)
   Call: (227) [system] peek_char((0x55772f068e50), _1245492)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1244558=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (226) [user] classify_and_convert_charseq([:], _1209048)
^  Call: (227) [user] classify_and_convert_charseq_([:], _1254776)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1255728, _1255730), once(user:catch(read_from_chars([:], _1254776), _1255710, fail)), '$restore_trace'(_1255728, _1255730))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1255728, _1255730))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1255710, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(:)
   Exit: (228) [system] atomic(:)
^  Exit: (227) [user] classify_and_convert_charseq_([:], :)
   Call: (227) [system] integer(:)
   Fail: (227) [system] integer(:)
   Call: (227) [system] _1209048=(:)
   Exit: (227) [system] (:)=(:)
^  Exit: (226) [user] classify_and_convert_charseq([:], :)
^  Exit: (225) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (224) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (224) [user] read_list(')', (0x55772f068e50), _1267856)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1269714)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x55772f068e50), _1279308)
   Exit: (226) [system] get_char((0x55772f068e50), ' ')
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1282012)
   Exit: (227) [system] peek_char((0x55772f068e50), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1298946)
   Exit: (225) [system] peek_char((0x55772f068e50), '(')
   Call: (225) [system] '('=')'
   Fail: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
   Fail: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x55772f068e50), _1304516)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1306374)
   Exit: (227) [system] peek_char((0x55772f068e50), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] get_char((0x55772f068e50), _1322384)
   Exit: (226) [system] get_char((0x55772f068e50), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x55772f068e50), _1304516)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1327954)
   Exit: (228) [system] peek_char((0x55772f068e50), 'D')
   Call: (228) [system] 'D'=(;)
   Fail: (228) [system] 'D'=(;)
   Call: (228) [system] 'D'=(/)
   Fail: (228) [system] 'D'=(/)
^  Call: (228) [user] is_like_space('D')
   Call: (229) [system] char_type('D', 'white')
   Fail: (229) [system] char_type('D', 'white')
   Call: (229) [system] char_type('D', end_of_line)
   Fail: (229) [system] char_type('D', end_of_line)
   Call: (229) [system] char_type('D', space)
   Fail: (229) [system] char_type('D', space)
   Call: (229) [system] char_type('D', cntrl)
   Fail: (229) [system] char_type('D', cntrl)
^  Fail: (228) [user] is_like_space('D')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1343964)
   Exit: (227) [system] peek_char((0x55772f068e50), 'D')
   Call: (227) [system] 'D'=')'
   Fail: (227) [system] 'D'=')'
   Call: (227) [system] 'D'=end_of_file
   Fail: (227) [system] 'D'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x55772f068e50), _1349534)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1351392)
   Exit: (229) [system] peek_char((0x55772f068e50), 'D')
   Call: (229) [system] 'D'=(;)
   Fail: (229) [system] 'D'=(;)
   Call: (229) [system] 'D'=(/)
   Fail: (229) [system] 'D'=(/)
^  Call: (229) [user] is_like_space('D')
   Call: (230) [system] char_type('D', 'white')
   Fail: (230) [system] char_type('D', 'white')
   Call: (230) [system] char_type('D', end_of_line)
   Fail: (230) [system] char_type('D', end_of_line)
   Call: (230) [system] char_type('D', space)
   Fail: (230) [system] char_type('D', space)
   Call: (230) [system] char_type('D', cntrl)
   Fail: (230) [system] char_type('D', cntrl)
^  Fail: (229) [user] is_like_space('D')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] get_char((0x55772f068e50), _1367402)
   Exit: (228) [system] get_char((0x55772f068e50), 'D')
   Call: (228) [system] 'D'='('
   Fail: (228) [system] 'D'='('
   Call: (228) [system] 'D'='['
   Fail: (228) [system] 'D'='['
   Call: (228) [system] 'D'='{'
   Fail: (228) [system] 'D'='{'
   Call: (228) [system] 'D'='"'
   Fail: (228) [system] 'D'='"'
   Call: (228) [system] 'D'=!
   Fail: (228) [system] 'D'=!
   Call: (228) [system] 'D'='\''
   Fail: (228) [system] 'D'='\''
   Call: (228) [system] 'D'='`'
   Fail: (228) [system] 'D'='`'
   Call: (228) [system] 'D'=end_of_file
   Fail: (228) [system] 'D'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x55772f068e50), 'D', _1349534)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1385044)
   Call: (230) [system] peek_char((0x55772f068e50), _1385978)
   Exit: (230) [system] peek_char((0x55772f068e50), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1390698, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_1391630, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x55772f068e50), i)
   Exit: (230) [system] get_char((0x55772f068e50), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1398980)
   Call: (231) [system] peek_char((0x55772f068e50), _1399914)
   Exit: (231) [system] peek_char((0x55772f068e50), s)
^  Call: (231) [user] is_delimiter(s)
   Call: (232) [system] char_type(s, space)
   Fail: (232) [system] char_type(s, space)
   Call: (232) [system] arg(_1404634, v('(', ')', end_of_file), s)
   Fail: (232) [system] arg(_1405566, v('(', ')', end_of_file), s)
^  Fail: (231) [user] is_delimiter(s)
   Call: (231) [system] ')'==s
   Fail: (231) [system] ')'==s
   Call: (231) [system] get_char((0x55772f068e50), s)
   Exit: (231) [system] get_char((0x55772f068e50), s)
   Call: (231) [system] s=(\)
   Fail: (231) [system] s=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1412916)
   Call: (232) [system] peek_char((0x55772f068e50), _1413850)
   Exit: (232) [system] peek_char((0x55772f068e50), j)
^  Call: (232) [user] is_delimiter(j)
   Call: (233) [system] char_type(j, space)
   Fail: (233) [system] char_type(j, space)
   Call: (233) [system] arg(_1418570, v('(', ')', end_of_file), j)
   Fail: (233) [system] arg(_1419502, v('(', ')', end_of_file), j)
^  Fail: (232) [user] is_delimiter(j)
   Call: (232) [system] ')'==j
   Fail: (232) [system] ')'==j
   Call: (232) [system] get_char((0x55772f068e50), j)
   Exit: (232) [system] get_char((0x55772f068e50), j)
   Call: (232) [system] j=(\)
   Fail: (232) [system] j=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1426852)
   Call: (233) [system] peek_char((0x55772f068e50), _1427786)
   Exit: (233) [system] peek_char((0x55772f068e50), u)
^  Call: (233) [user] is_delimiter(u)
   Call: (234) [system] char_type(u, space)
   Fail: (234) [system] char_type(u, space)
   Call: (234) [system] arg(_1432506, v('(', ')', end_of_file), u)
   Fail: (234) [system] arg(_1433438, v('(', ')', end_of_file), u)
^  Fail: (233) [user] is_delimiter(u)
   Call: (233) [system] ')'==u
   Fail: (233) [system] ')'==u
   Call: (233) [system] get_char((0x55772f068e50), u)
   Exit: (233) [system] get_char((0x55772f068e50), u)
   Call: (233) [system] u=(\)
   Fail: (233) [system] u=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1440788)
   Call: (234) [system] peek_char((0x55772f068e50), _1441722)
   Exit: (234) [system] peek_char((0x55772f068e50), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_1446442, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_1447374, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x55772f068e50), n)
   Exit: (234) [system] get_char((0x55772f068e50), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1454724)
   Call: (235) [system] peek_char((0x55772f068e50), _1455658)
   Exit: (235) [system] peek_char((0x55772f068e50), c)
^  Call: (235) [user] is_delimiter(c)
   Call: (236) [system] char_type(c, space)
   Fail: (236) [system] char_type(c, space)
   Call: (236) [system] arg(_1460378, v('(', ')', end_of_file), c)
   Fail: (236) [system] arg(_1461310, v('(', ')', end_of_file), c)
^  Fail: (235) [user] is_delimiter(c)
   Call: (235) [system] ')'==c
   Fail: (235) [system] ')'==c
   Call: (235) [system] get_char((0x55772f068e50), c)
   Exit: (235) [system] get_char((0x55772f068e50), c)
   Call: (235) [system] c=(\)
   Fail: (235) [system] c=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1468660)
   Call: (236) [system] peek_char((0x55772f068e50), _1469594)
   Exit: (236) [system] peek_char((0x55772f068e50), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Fail: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_1474314, v('(', ')', end_of_file), t)
   Fail: (237) [system] arg(_1475246, v('(', ')', end_of_file), t)
^  Fail: (236) [user] is_delimiter(t)
   Call: (236) [system] ')'==t
   Fail: (236) [system] ')'==t
   Call: (236) [system] get_char((0x55772f068e50), t)
   Exit: (236) [system] get_char((0x55772f068e50), t)
   Call: (236) [system] t=(\)
   Fail: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1482596)
   Call: (237) [system] peek_char((0x55772f068e50), _1483530)
   Exit: (237) [system] peek_char((0x55772f068e50), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Fail: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_1488250, v('(', ')', end_of_file), i)
   Fail: (238) [system] arg(_1489182, v('(', ')', end_of_file), i)
^  Fail: (237) [user] is_delimiter(i)
   Call: (237) [system] ')'==i
   Fail: (237) [system] ')'==i
   Call: (237) [system] get_char((0x55772f068e50), i)
   Exit: (237) [system] get_char((0x55772f068e50), i)
   Call: (237) [system] i=(\)
   Fail: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _1496532)
   Call: (238) [system] peek_char((0x55772f068e50), _1497466)
   Exit: (238) [system] peek_char((0x55772f068e50), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Fail: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_1502186, v('(', ')', end_of_file), o)
   Fail: (239) [system] arg(_1503118, v('(', ')', end_of_file), o)
^  Fail: (238) [user] is_delimiter(o)
   Call: (238) [system] ')'==o
   Fail: (238) [system] ')'==o
   Call: (238) [system] get_char((0x55772f068e50), o)
   Exit: (238) [system] get_char((0x55772f068e50), o)
   Call: (238) [system] o=(\)
   Fail: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _1510468)
   Call: (239) [system] peek_char((0x55772f068e50), _1511402)
   Exit: (239) [system] peek_char((0x55772f068e50), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Fail: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_1516122, v('(', ')', end_of_file), n)
   Fail: (240) [system] arg(_1517054, v('(', ')', end_of_file), n)
^  Fail: (239) [user] is_delimiter(n)
   Call: (239) [system] ')'==n
   Fail: (239) [system] ')'==n
   Call: (239) [system] get_char((0x55772f068e50), n)
   Exit: (239) [system] get_char((0x55772f068e50), n)
   Call: (239) [system] n=(\)
   Fail: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _1524404)
   Call: (240) [system] peek_char((0x55772f068e50), _1525338)
   Exit: (240) [system] peek_char((0x55772f068e50), 'I')
^  Call: (240) [user] is_delimiter('I')
   Call: (241) [system] char_type('I', space)
   Fail: (241) [system] char_type('I', space)
   Call: (241) [system] arg(_1530058, v('(', ')', end_of_file), 'I')
   Fail: (241) [system] arg(_1530990, v('(', ')', end_of_file), 'I')
^  Fail: (240) [user] is_delimiter('I')
   Call: (240) [system] ')'=='I'
   Fail: (240) [system] ')'=='I'
   Call: (240) [system] get_char((0x55772f068e50), 'I')
   Exit: (240) [system] get_char((0x55772f068e50), 'I')
   Call: (240) [system] 'I'=(\)
   Fail: (240) [system] 'I'=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _1538340)
   Call: (241) [system] peek_char((0x55772f068e50), _1539274)
   Exit: (241) [system] peek_char((0x55772f068e50), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Fail: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_1543994, v('(', ')', end_of_file), n)
   Fail: (242) [system] arg(_1544926, v('(', ')', end_of_file), n)
^  Fail: (241) [user] is_delimiter(n)
   Call: (241) [system] ')'==n
   Fail: (241) [system] ')'==n
   Call: (241) [system] get_char((0x55772f068e50), n)
   Exit: (241) [system] get_char((0x55772f068e50), n)
   Call: (241) [system] n=(\)
   Fail: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x55772f068e50), _1552276)
   Call: (242) [system] peek_char((0x55772f068e50), _1553210)
   Exit: (242) [system] peek_char((0x55772f068e50), t)
^  Call: (242) [user] is_delimiter(t)
   Call: (243) [system] char_type(t, space)
   Fail: (243) [system] char_type(t, space)
   Call: (243) [system] arg(_1557930, v('(', ')', end_of_file), t)
   Fail: (243) [system] arg(_1558862, v('(', ')', end_of_file), t)
^  Fail: (242) [user] is_delimiter(t)
   Call: (242) [system] ')'==t
   Fail: (242) [system] ')'==t
   Call: (242) [system] get_char((0x55772f068e50), t)
   Exit: (242) [system] get_char((0x55772f068e50), t)
   Call: (242) [system] t=(\)
   Fail: (242) [system] t=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x55772f068e50), _1566212)
   Call: (243) [system] peek_char((0x55772f068e50), _1567146)
   Exit: (243) [system] peek_char((0x55772f068e50), r)
^  Call: (243) [user] is_delimiter(r)
   Call: (244) [system] char_type(r, space)
   Fail: (244) [system] char_type(r, space)
   Call: (244) [system] arg(_1571866, v('(', ')', end_of_file), r)
   Fail: (244) [system] arg(_1572798, v('(', ')', end_of_file), r)
^  Fail: (243) [user] is_delimiter(r)
   Call: (243) [system] ')'==r
   Fail: (243) [system] ')'==r
   Call: (243) [system] get_char((0x55772f068e50), r)
   Exit: (243) [system] get_char((0x55772f068e50), r)
   Call: (243) [system] r=(\)
   Fail: (243) [system] r=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x55772f068e50), _1580148)
   Call: (244) [system] peek_char((0x55772f068e50), _1581082)
   Exit: (244) [system] peek_char((0x55772f068e50), o)
^  Call: (244) [user] is_delimiter(o)
   Call: (245) [system] char_type(o, space)
   Fail: (245) [system] char_type(o, space)
   Call: (245) [system] arg(_1585802, v('(', ')', end_of_file), o)
   Fail: (245) [system] arg(_1586734, v('(', ')', end_of_file), o)
^  Fail: (244) [user] is_delimiter(o)
   Call: (244) [system] ')'==o
   Fail: (244) [system] ')'==o
   Call: (244) [system] get_char((0x55772f068e50), o)
   Exit: (244) [system] get_char((0x55772f068e50), o)
   Call: (244) [system] o=(\)
   Fail: (244) [system] o=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x55772f068e50), _1594084)
   Call: (245) [system] peek_char((0x55772f068e50), _1595018)
   Exit: (245) [system] peek_char((0x55772f068e50), d)
^  Call: (245) [user] is_delimiter(d)
   Call: (246) [system] char_type(d, space)
   Fail: (246) [system] char_type(d, space)
   Call: (246) [system] arg(_1599738, v('(', ')', end_of_file), d)
   Fail: (246) [system] arg(_1600670, v('(', ')', end_of_file), d)
^  Fail: (245) [user] is_delimiter(d)
   Call: (245) [system] ')'==d
   Fail: (245) [system] ')'==d
   Call: (245) [system] get_char((0x55772f068e50), d)
   Exit: (245) [system] get_char((0x55772f068e50), d)
   Call: (245) [system] d=(\)
   Fail: (245) [system] d=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x55772f068e50), _1608020)
   Call: (246) [system] peek_char((0x55772f068e50), _1608954)
   Exit: (246) [system] peek_char((0x55772f068e50), u)
^  Call: (246) [user] is_delimiter(u)
   Call: (247) [system] char_type(u, space)
   Fail: (247) [system] char_type(u, space)
   Call: (247) [system] arg(_1613674, v('(', ')', end_of_file), u)
   Fail: (247) [system] arg(_1614606, v('(', ')', end_of_file), u)
^  Fail: (246) [user] is_delimiter(u)
   Call: (246) [system] ')'==u
   Fail: (246) [system] ')'==u
   Call: (246) [system] get_char((0x55772f068e50), u)
   Exit: (246) [system] get_char((0x55772f068e50), u)
   Call: (246) [system] u=(\)
   Fail: (246) [system] u=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x55772f068e50), _1621956)
   Call: (247) [system] peek_char((0x55772f068e50), _1622890)
   Exit: (247) [system] peek_char((0x55772f068e50), c)
^  Call: (247) [user] is_delimiter(c)
   Call: (248) [system] char_type(c, space)
   Fail: (248) [system] char_type(c, space)
   Call: (248) [system] arg(_1627610, v('(', ')', end_of_file), c)
   Fail: (248) [system] arg(_1628542, v('(', ')', end_of_file), c)
^  Fail: (247) [user] is_delimiter(c)
   Call: (247) [system] ')'==c
   Fail: (247) [system] ')'==c
   Call: (247) [system] get_char((0x55772f068e50), c)
   Exit: (247) [system] get_char((0x55772f068e50), c)
   Call: (247) [system] c=(\)
   Fail: (247) [system] c=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x55772f068e50), _1635892)
   Call: (248) [system] peek_char((0x55772f068e50), _1636826)
   Exit: (248) [system] peek_char((0x55772f068e50), t)
^  Call: (248) [user] is_delimiter(t)
   Call: (249) [system] char_type(t, space)
   Fail: (249) [system] char_type(t, space)
   Call: (249) [system] arg(_1641546, v('(', ')', end_of_file), t)
   Fail: (249) [system] arg(_1642478, v('(', ')', end_of_file), t)
^  Fail: (248) [user] is_delimiter(t)
   Call: (248) [system] ')'==t
   Fail: (248) [system] ')'==t
   Call: (248) [system] get_char((0x55772f068e50), t)
   Exit: (248) [system] get_char((0x55772f068e50), t)
   Call: (248) [system] t=(\)
   Fail: (248) [system] t=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x55772f068e50), _1649828)
   Call: (249) [system] peek_char((0x55772f068e50), _1650762)
   Exit: (249) [system] peek_char((0x55772f068e50), i)
^  Call: (249) [user] is_delimiter(i)
   Call: (250) [system] char_type(i, space)
   Fail: (250) [system] char_type(i, space)
   Call: (250) [system] arg(_1655482, v('(', ')', end_of_file), i)
   Fail: (250) [system] arg(_1656414, v('(', ')', end_of_file), i)
^  Fail: (249) [user] is_delimiter(i)
   Call: (249) [system] ')'==i
   Fail: (249) [system] ')'==i
   Call: (249) [system] get_char((0x55772f068e50), i)
   Exit: (249) [system] get_char((0x55772f068e50), i)
   Call: (249) [system] i=(\)
   Fail: (249) [system] i=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x55772f068e50), _1663764)
   Call: (250) [system] peek_char((0x55772f068e50), _1664698)
   Exit: (250) [system] peek_char((0x55772f068e50), o)
^  Call: (250) [user] is_delimiter(o)
   Call: (251) [system] char_type(o, space)
   Fail: (251) [system] char_type(o, space)
   Call: (251) [system] arg(_1669418, v('(', ')', end_of_file), o)
   Fail: (251) [system] arg(_1670350, v('(', ')', end_of_file), o)
^  Fail: (250) [user] is_delimiter(o)
   Call: (250) [system] ')'==o
   Fail: (250) [system] ')'==o
   Call: (250) [system] get_char((0x55772f068e50), o)
   Exit: (250) [system] get_char((0x55772f068e50), o)
   Call: (250) [system] o=(\)
   Fail: (250) [system] o=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x55772f068e50), _1677700)
   Call: (251) [system] peek_char((0x55772f068e50), _1678634)
   Exit: (251) [system] peek_char((0x55772f068e50), n)
^  Call: (251) [user] is_delimiter(n)
   Call: (252) [system] char_type(n, space)
   Fail: (252) [system] char_type(n, space)
   Call: (252) [system] arg(_1683354, v('(', ')', end_of_file), n)
   Fail: (252) [system] arg(_1684286, v('(', ')', end_of_file), n)
^  Fail: (251) [user] is_delimiter(n)
   Call: (251) [system] ')'==n
   Fail: (251) [system] ')'==n
   Call: (251) [system] get_char((0x55772f068e50), n)
   Exit: (251) [system] get_char((0x55772f068e50), n)
   Call: (251) [system] n=(\)
   Fail: (251) [system] n=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x55772f068e50), _1691636)
   Call: (252) [system] peek_char((0x55772f068e50), _1692570)
   Exit: (252) [system] peek_char((0x55772f068e50), ' ')
^  Call: (252) [user] is_delimiter(' ')
   Call: (253) [system] char_type(' ', space)
   Exit: (253) [system] char_type(' ', space)
^  Exit: (252) [user] is_delimiter(' ')
   Call: (252) [system] _1691636=[]
   Exit: (252) [system] []=[]
^  Exit: (251) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (251) [system] _1677700=[n]
   Exit: (251) [system] [n]=[n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (250) [system] _1663764=[o, n]
   Exit: (250) [system] [o, n]=[o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (249) [system] _1649828=[i, o, n]
   Exit: (249) [system] [i, o, n]=[i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (248) [system] _1635892=[t, i, o, n]
   Exit: (248) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (247) [system] _1621956=[c, t, i, o, n]
   Exit: (247) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (246) [system] _1608020=[u, c, t, i, o, n]
   Exit: (246) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (245) [system] _1594084=[d, u, c, t, i, o, n]
   Exit: (245) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (244) [system] _1580148=[o, d, u, c, t, i, o, n]
   Exit: (244) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (243) [system] _1566212=[r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _1552276=[t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _1538340=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _1524404=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _1510468=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _1496532=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _1482596=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1468660=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1454724=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1440788=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1426852=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1412916=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1398980=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1385044=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (229) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1349534)
^  Call: (230) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1763322)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1764274, _1764276), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1763322), _1764256, fail)), '$restore_trace'(_1764274, _1764276))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1764274, _1764276))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1763322), _1764256, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1763322)
   Fail: (231) [system] atomic(_1763322)
   Call: (231) [system] atom_chars(_1763322, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (231) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (230) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (230) [system] integer('DisjunctionIntroduction')
   Fail: (230) [system] integer('DisjunctionIntroduction')
   Call: (230) [system] _1349534='DisjunctionIntroduction'
   Exit: (230) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (229) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (228) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (227) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (227) [user] read_list(')', (0x55772f068e50), _1778272)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1780130)
   Exit: (229) [system] peek_char((0x55772f068e50), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x55772f068e50), _1789724)
   Exit: (229) [system] get_char((0x55772f068e50), ' ')
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1792428)
   Exit: (230) [system] peek_char((0x55772f068e50), a)
   Call: (230) [system] a=(;)
   Fail: (230) [system] a=(;)
   Call: (230) [system] a=(/)
   Fail: (230) [system] a=(/)
^  Call: (230) [user] is_like_space(a)
   Call: (231) [system] char_type(a, 'white')
   Fail: (231) [system] char_type(a, 'white')
   Call: (231) [system] char_type(a, end_of_line)
   Fail: (231) [system] char_type(a, end_of_line)
   Call: (231) [system] char_type(a, space)
   Fail: (231) [system] char_type(a, space)
   Call: (231) [system] char_type(a, cntrl)
   Fail: (231) [system] char_type(a, cntrl)
^  Fail: (230) [user] is_like_space(a)
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1809362)
   Exit: (228) [system] peek_char((0x55772f068e50), a)
   Call: (228) [system] a=')'
   Fail: (228) [system] a=')'
   Call: (228) [system] a=end_of_file
   Fail: (228) [system] a=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x55772f068e50), _1814932)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1816790)
   Exit: (230) [system] peek_char((0x55772f068e50), a)
   Call: (230) [system] a=(;)
   Fail: (230) [system] a=(;)
   Call: (230) [system] a=(/)
   Fail: (230) [system] a=(/)
^  Call: (230) [user] is_like_space(a)
   Call: (231) [system] char_type(a, 'white')
   Fail: (231) [system] char_type(a, 'white')
   Call: (231) [system] char_type(a, end_of_line)
   Fail: (231) [system] char_type(a, end_of_line)
   Call: (231) [system] char_type(a, space)
   Fail: (231) [system] char_type(a, space)
   Call: (231) [system] char_type(a, cntrl)
   Fail: (231) [system] char_type(a, cntrl)
^  Fail: (230) [user] is_like_space(a)
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] get_char((0x55772f068e50), _1832800)
   Exit: (229) [system] get_char((0x55772f068e50), a)
   Call: (229) [system] a='('
   Fail: (229) [system] a='('
   Call: (229) [system] a='['
   Fail: (229) [system] a='['
   Call: (229) [system] a='{'
   Fail: (229) [system] a='{'
   Call: (229) [system] a='"'
   Fail: (229) [system] a='"'
   Call: (229) [system] a=!
   Fail: (229) [system] a=!
   Call: (229) [system] a='\''
   Fail: (229) [system] a='\''
   Call: (229) [system] a='`'
   Fail: (229) [system] a='`'
   Call: (229) [system] a=end_of_file
   Fail: (229) [system] a=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x55772f068e50), a, _1814932)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1850442)
   Call: (231) [system] peek_char((0x55772f068e50), _1851376)
   Exit: (231) [system] peek_char((0x55772f068e50), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1850442=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (230) [user] classify_and_convert_charseq([a], _1814932)
^  Call: (231) [user] classify_and_convert_charseq_([a], _1860660)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1861612, _1861614), once(user:catch(read_from_chars([a], _1860660), _1861594, fail)), '$restore_trace'(_1861612, _1861614))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1861612, _1861614))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1861594, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(a)
   Exit: (232) [system] atomic(a)
^  Exit: (231) [user] classify_and_convert_charseq_([a], a)
   Call: (231) [system] integer(a)
   Fail: (231) [system] integer(a)
   Call: (231) [system] _1814932=a
   Exit: (231) [system] a=a
^  Exit: (230) [user] classify_and_convert_charseq([a], a)
^  Exit: (229) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (228) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (228) [user] read_list(')', (0x55772f068e50), _1873740)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1875598)
   Exit: (230) [system] peek_char((0x55772f068e50), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
   Call: (230) [system] ' '=(/)
   Fail: (230) [system] ' '=(/)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x55772f068e50), _1885192)
   Exit: (230) [system] get_char((0x55772f068e50), ' ')
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1887896)
   Exit: (231) [system] peek_char((0x55772f068e50), a)
   Call: (231) [system] a=(;)
   Fail: (231) [system] a=(;)
   Call: (231) [system] a=(/)
   Fail: (231) [system] a=(/)
^  Call: (231) [user] is_like_space(a)
   Call: (232) [system] char_type(a, 'white')
   Fail: (232) [system] char_type(a, 'white')
   Call: (232) [system] char_type(a, end_of_line)
   Fail: (232) [system] char_type(a, end_of_line)
   Call: (232) [system] char_type(a, space)
   Fail: (232) [system] char_type(a, space)
   Call: (232) [system] char_type(a, cntrl)
   Fail: (232) [system] char_type(a, cntrl)
^  Fail: (231) [user] is_like_space(a)
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1904830)
   Exit: (229) [system] peek_char((0x55772f068e50), a)
   Call: (229) [system] a=')'
   Fail: (229) [system] a=')'
   Call: (229) [system] a=end_of_file
   Fail: (229) [system] a=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x55772f068e50), _1910400)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1912258)
   Exit: (231) [system] peek_char((0x55772f068e50), a)
   Call: (231) [system] a=(;)
   Fail: (231) [system] a=(;)
   Call: (231) [system] a=(/)
   Fail: (231) [system] a=(/)
^  Call: (231) [user] is_like_space(a)
   Call: (232) [system] char_type(a, 'white')
   Fail: (232) [system] char_type(a, 'white')
   Call: (232) [system] char_type(a, end_of_line)
   Fail: (232) [system] char_type(a, end_of_line)
   Call: (232) [system] char_type(a, space)
   Fail: (232) [system] char_type(a, space)
   Call: (232) [system] char_type(a, cntrl)
   Fail: (232) [system] char_type(a, cntrl)
^  Fail: (231) [user] is_like_space(a)
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] get_char((0x55772f068e50), _1928268)
   Exit: (230) [system] get_char((0x55772f068e50), a)
   Call: (230) [system] a='('
   Fail: (230) [system] a='('
   Call: (230) [system] a='['
   Fail: (230) [system] a='['
   Call: (230) [system] a='{'
   Fail: (230) [system] a='{'
   Call: (230) [system] a='"'
   Fail: (230) [system] a='"'
   Call: (230) [system] a=!
   Fail: (230) [system] a=!
   Call: (230) [system] a='\''
   Fail: (230) [system] a='\''
   Call: (230) [system] a='`'
   Fail: (230) [system] a='`'
   Call: (230) [system] a=end_of_file
   Fail: (230) [system] a=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x55772f068e50), a, _1910400)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1945910)
   Call: (232) [system] peek_char((0x55772f068e50), _1946844)
   Exit: (232) [system] peek_char((0x55772f068e50), b)
^  Call: (232) [user] is_delimiter(b)
   Call: (233) [system] char_type(b, space)
   Fail: (233) [system] char_type(b, space)
   Call: (233) [system] arg(_1951564, v('(', ')', end_of_file), b)
   Fail: (233) [system] arg(_1952496, v('(', ')', end_of_file), b)
^  Fail: (232) [user] is_delimiter(b)
   Call: (232) [system] ')'==b
   Fail: (232) [system] ')'==b
   Call: (232) [system] get_char((0x55772f068e50), b)
   Exit: (232) [system] get_char((0x55772f068e50), b)
   Call: (232) [system] b=(\)
   Fail: (232) [system] b=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1959846)
   Call: (233) [system] peek_char((0x55772f068e50), _1960780)
   Exit: (233) [system] peek_char((0x55772f068e50), c)
^  Call: (233) [user] is_delimiter(c)
   Call: (234) [system] char_type(c, space)
   Fail: (234) [system] char_type(c, space)
   Call: (234) [system] arg(_1965500, v('(', ')', end_of_file), c)
   Fail: (234) [system] arg(_1966432, v('(', ')', end_of_file), c)
^  Fail: (233) [user] is_delimiter(c)
   Call: (233) [system] ')'==c
   Fail: (233) [system] ')'==c
   Call: (233) [system] get_char((0x55772f068e50), c)
   Exit: (233) [system] get_char((0x55772f068e50), c)
   Call: (233) [system] c=(\)
   Fail: (233) [system] c=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1973782)
   Call: (234) [system] peek_char((0x55772f068e50), _1974716)
   Exit: (234) [system] peek_char((0x55772f068e50), ')')
^  Call: (234) [user] is_delimiter(')')
   Call: (235) [system] char_type(')', space)
   Fail: (235) [system] char_type(')', space)
   Call: (235) [system] arg(_1979436, v('(', ')', end_of_file), ')')
   Exit: (235) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (234) [user] is_delimiter(')')
   Call: (234) [system] _1973782=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (233) [system] _1959846=[c]
   Exit: (233) [system] [c]=[c]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (232) [system] _1945910=[b, c]
   Exit: (232) [system] [b, c]=[b, c]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (231) [user] classify_and_convert_charseq([a, b, c], _1910400)
^  Call: (232) [user] classify_and_convert_charseq_([a, b, c], _1991460)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1992412, _1992414), once(user:catch(read_from_chars([a, b, c], _1991460), _1992394, fail)), '$restore_trace'(_1992412, _1992414))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1992412, _1992414))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1992394, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(abc)
   Exit: (233) [system] atomic(abc)
^  Exit: (232) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (232) [system] integer(abc)
   Fail: (232) [system] integer(abc)
   Call: (232) [system] _1910400=abc
   Exit: (232) [system] abc=abc
^  Exit: (231) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (230) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (229) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (229) [user] read_list(')', (0x55772f068e50), _2004540)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _2006398)
   Exit: (231) [system] peek_char((0x55772f068e50), ')')
   Call: (231) [system] ')'=(;)
   Fail: (231) [system] ')'=(;)
   Call: (231) [system] ')'=(/)
   Fail: (231) [system] ')'=(/)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Fail: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Fail: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
   Fail: (232) [system] char_type(')', cntrl)
^  Fail: (231) [user] is_like_space(')')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _2022408)
   Exit: (230) [system] peek_char((0x55772f068e50), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x55772f068e50), _2026198)
   Exit: (230) [system] get_char((0x55772f068e50), ')')
   Call: (230) [system] _2004540=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x55772f068e50), [])
   Call: (229) [system] _1873740=[abc]
   Exit: (229) [system] [abc]=[abc]
^  Exit: (228) [user] read_list(')', (0x55772f068e50), [abc])
   Call: (228) [system] _1778272=[a, abc]
   Exit: (228) [system] [a, abc]=[a, abc]
^  Exit: (227) [user] read_list(')', (0x55772f068e50), [a, abc])
   Call: (227) [system] _1304516=['DisjunctionIntroduction', a, abc]
   Exit: (227) [system] ['DisjunctionIntroduction', a, abc]=['DisjunctionIntroduction', a, abc]
^  Exit: (226) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', a, abc])
^  Exit: (225) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', a, abc])
^  Call: (225) [user] read_list(')', (0x55772f068e50), _2040080)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _2041938)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x55772f068e50), _2051532)
   Exit: (227) [system] get_char((0x55772f068e50), ' ')
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _2054236)
   Exit: (228) [system] peek_char((0x55772f068e50), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
   Call: (228) [system] '('=(/)
   Fail: (228) [system] '('=(/)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _2071170)
   Exit: (226) [system] peek_char((0x55772f068e50), '(')
   Call: (226) [system] '('=')'
   Fail: (226) [system] '('=')'
   Call: (226) [system] '('=end_of_file
   Fail: (226) [system] '('=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x55772f068e50), _2076740)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _2078598)
   Exit: (228) [system] peek_char((0x55772f068e50), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
   Call: (228) [system] '('=(/)
   Fail: (228) [system] '('=(/)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] get_char((0x55772f068e50), _2094608)
   Exit: (227) [system] get_char((0x55772f068e50), '(')
   Call: (227) [system] '('='('
   Exit: (227) [system] '('='('
^  Call: (227) [user] read_list(')', (0x55772f068e50), _6418)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _9806)
   Exit: (229) [system] peek_char((0x55772f068e50), 'O')
   Call: (229) [system] 'O'=(;)
   Fail: (229) [system] 'O'=(;)
   Call: (229) [system] 'O'=(/)
   Fail: (229) [system] 'O'=(/)
^  Call: (229) [user] is_like_space('O')
   Call: (230) [system] char_type('O', 'white')
   Fail: (230) [system] char_type('O', 'white')
   Call: (230) [system] char_type('O', end_of_line)
   Fail: (230) [system] char_type('O', end_of_line)
   Call: (230) [system] char_type('O', space)
   Fail: (230) [system] char_type('O', space)
   Call: (230) [system] char_type('O', cntrl)
   Fail: (230) [system] char_type('O', cntrl)
^  Fail: (229) [user] is_like_space('O')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _25816)
   Exit: (228) [system] peek_char((0x55772f068e50), 'O')
   Call: (228) [system] 'O'=')'
   Fail: (228) [system] 'O'=')'
   Call: (228) [system] 'O'=end_of_file
   Fail: (228) [system] 'O'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x55772f068e50), _31386)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _33244)
   Exit: (230) [system] peek_char((0x55772f068e50), 'O')
   Call: (230) [system] 'O'=(;)
   Fail: (230) [system] 'O'=(;)
   Call: (230) [system] 'O'=(/)
   Fail: (230) [system] 'O'=(/)
^  Call: (230) [user] is_like_space('O')
   Call: (231) [system] char_type('O', 'white')
   Fail: (231) [system] char_type('O', 'white')
   Call: (231) [system] char_type('O', end_of_line)
   Fail: (231) [system] char_type('O', end_of_line)
   Call: (231) [system] char_type('O', space)
   Fail: (231) [system] char_type('O', space)
   Call: (231) [system] char_type('O', cntrl)
   Fail: (231) [system] char_type('O', cntrl)
^  Fail: (230) [user] is_like_space('O')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] get_char((0x55772f068e50), _49254)
   Exit: (229) [system] get_char((0x55772f068e50), 'O')
   Call: (229) [system] 'O'='('
   Fail: (229) [system] 'O'='('
   Call: (229) [system] 'O'='['
   Fail: (229) [system] 'O'='['
   Call: (229) [system] 'O'='{'
   Fail: (229) [system] 'O'='{'
   Call: (229) [system] 'O'='"'
   Fail: (229) [system] 'O'='"'
   Call: (229) [system] 'O'=!
   Fail: (229) [system] 'O'=!
   Call: (229) [system] 'O'='\''
   Fail: (229) [system] 'O'='\''
   Call: (229) [system] 'O'='`'
   Fail: (229) [system] 'O'='`'
   Call: (229) [system] 'O'=end_of_file
   Fail: (229) [system] 'O'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x55772f068e50), 'O', _31386)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _66896)
   Call: (231) [system] peek_char((0x55772f068e50), _67830)
   Exit: (231) [system] peek_char((0x55772f068e50), r)
^  Call: (231) [user] is_delimiter(r)
   Call: (232) [system] char_type(r, space)
   Fail: (232) [system] char_type(r, space)
   Call: (232) [system] arg(_72550, v('(', ')', end_of_file), r)
   Fail: (232) [system] arg(_73482, v('(', ')', end_of_file), r)
^  Fail: (231) [user] is_delimiter(r)
   Call: (231) [system] ')'==r
   Fail: (231) [system] ')'==r
   Call: (231) [system] get_char((0x55772f068e50), r)
   Exit: (231) [system] get_char((0x55772f068e50), r)
   Call: (231) [system] r=(\)
   Fail: (231) [system] r=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _80832)
   Call: (232) [system] peek_char((0x55772f068e50), _81766)
   Exit: (232) [system] peek_char((0x55772f068e50), 'L')
^  Call: (232) [user] is_delimiter('L')
   Call: (233) [system] char_type('L', space)
   Fail: (233) [system] char_type('L', space)
   Call: (233) [system] arg(_86486, v('(', ')', end_of_file), 'L')
   Fail: (233) [system] arg(_87418, v('(', ')', end_of_file), 'L')
^  Fail: (232) [user] is_delimiter('L')
   Call: (232) [system] ')'=='L'
   Fail: (232) [system] ')'=='L'
   Call: (232) [system] get_char((0x55772f068e50), 'L')
   Exit: (232) [system] get_char((0x55772f068e50), 'L')
   Call: (232) [system] 'L'=(\)
   Fail: (232) [system] 'L'=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _94768)
   Call: (233) [system] peek_char((0x55772f068e50), _95702)
   Exit: (233) [system] peek_char((0x55772f068e50), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_100422, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_101354, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x55772f068e50), i)
   Exit: (233) [system] get_char((0x55772f068e50), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _108704)
   Call: (234) [system] peek_char((0x55772f068e50), _109638)
   Exit: (234) [system] peek_char((0x55772f068e50), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_114358, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_115290, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x55772f068e50), n)
   Exit: (234) [system] get_char((0x55772f068e50), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _122640)
   Call: (235) [system] peek_char((0x55772f068e50), _123574)
   Exit: (235) [system] peek_char((0x55772f068e50), k)
^  Call: (235) [user] is_delimiter(k)
   Call: (236) [system] char_type(k, space)
   Fail: (236) [system] char_type(k, space)
   Call: (236) [system] arg(_128294, v('(', ')', end_of_file), k)
   Fail: (236) [system] arg(_129226, v('(', ')', end_of_file), k)
^  Fail: (235) [user] is_delimiter(k)
   Call: (235) [system] ')'==k
   Fail: (235) [system] ')'==k
   Call: (235) [system] get_char((0x55772f068e50), k)
   Exit: (235) [system] get_char((0x55772f068e50), k)
   Call: (235) [system] k=(\)
   Fail: (235) [system] k=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _136576)
   Call: (236) [system] peek_char((0x55772f068e50), _137510)
   Exit: (236) [system] peek_char((0x55772f068e50), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _136576=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (235) [system] _122640=[k]
   Exit: (235) [system] [k]=[k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (234) [system] _108704=[n, k]
   Exit: (234) [system] [n, k]=[n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (233) [system] _94768=[i, n, k]
   Exit: (233) [system] [i, n, k]=[i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (232) [system] _80832=['L', i, n, k]
   Exit: (232) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (231) [system] _66896=[r, 'L', i, n, k]
   Exit: (231) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (230) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _31386)
^  Call: (231) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _160764)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_161716, _161718), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _160764), _161698, fail)), '$restore_trace'(_161716, _161718))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_161716, _161718))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _160764), _161698, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_160764)
   Fail: (232) [system] atomic(_160764)
   Call: (232) [system] atom_chars(_160764, ['O', r, 'L', i, n, k])
   Exit: (232) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (231) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (231) [system] integer('OrLink')
   Fail: (231) [system] integer('OrLink')
   Call: (231) [system] _31386='OrLink'
   Exit: (231) [system] 'OrLink'='OrLink'
^  Exit: (230) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (229) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (228) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (228) [user] read_list(')', (0x55772f068e50), _175714)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _177572)
   Exit: (230) [system] peek_char((0x55772f068e50), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
   Call: (230) [system] ' '=(/)
   Fail: (230) [system] ' '=(/)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x55772f068e50), _187166)
   Exit: (230) [system] get_char((0x55772f068e50), ' ')
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _189870)
   Exit: (231) [system] peek_char((0x55772f068e50), 'B')
   Call: (231) [system] 'B'=(;)
   Fail: (231) [system] 'B'=(;)
   Call: (231) [system] 'B'=(/)
   Fail: (231) [system] 'B'=(/)
^  Call: (231) [user] is_like_space('B')
   Call: (232) [system] char_type('B', 'white')
   Fail: (232) [system] char_type('B', 'white')
   Call: (232) [system] char_type('B', end_of_line)
   Fail: (232) [system] char_type('B', end_of_line)
   Call: (232) [system] char_type('B', space)
   Fail: (232) [system] char_type('B', space)
   Call: (232) [system] char_type('B', cntrl)
   Fail: (232) [system] char_type('B', cntrl)
^  Fail: (231) [user] is_like_space('B')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _206804)
   Exit: (229) [system] peek_char((0x55772f068e50), 'B')
   Call: (229) [system] 'B'=')'
   Fail: (229) [system] 'B'=')'
   Call: (229) [system] 'B'=end_of_file
   Fail: (229) [system] 'B'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x55772f068e50), _212374)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _214232)
   Exit: (231) [system] peek_char((0x55772f068e50), 'B')
   Call: (231) [system] 'B'=(;)
   Fail: (231) [system] 'B'=(;)
   Call: (231) [system] 'B'=(/)
   Fail: (231) [system] 'B'=(/)
^  Call: (231) [user] is_like_space('B')
   Call: (232) [system] char_type('B', 'white')
   Fail: (232) [system] char_type('B', 'white')
   Call: (232) [system] char_type('B', end_of_line)
   Fail: (232) [system] char_type('B', end_of_line)
   Call: (232) [system] char_type('B', space)
   Fail: (232) [system] char_type('B', space)
   Call: (232) [system] char_type('B', cntrl)
   Fail: (232) [system] char_type('B', cntrl)
^  Fail: (231) [user] is_like_space('B')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] get_char((0x55772f068e50), _230242)
   Exit: (230) [system] get_char((0x55772f068e50), 'B')
   Call: (230) [system] 'B'='('
   Fail: (230) [system] 'B'='('
   Call: (230) [system] 'B'='['
   Fail: (230) [system] 'B'='['
   Call: (230) [system] 'B'='{'
   Fail: (230) [system] 'B'='{'
   Call: (230) [system] 'B'='"'
   Fail: (230) [system] 'B'='"'
   Call: (230) [system] 'B'=!
   Fail: (230) [system] 'B'=!
   Call: (230) [system] 'B'='\''
   Fail: (230) [system] 'B'='\''
   Call: (230) [system] 'B'='`'
   Fail: (230) [system] 'B'='`'
   Call: (230) [system] 'B'=end_of_file
   Fail: (230) [system] 'B'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x55772f068e50), 'B', _212374)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _247884)
   Call: (232) [system] peek_char((0x55772f068e50), _248818)
   Exit: (232) [system] peek_char((0x55772f068e50), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _247884=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (231) [user] classify_and_convert_charseq(['B'], _212374)
^  Call: (232) [user] classify_and_convert_charseq_(['B'], _258102)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_259054, _259056), once(user:catch(read_from_chars(['B'], _258102), _259036, fail)), '$restore_trace'(_259054, _259056))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_259054, _259056))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _258102), _259036, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_258102)
   Fail: (233) [system] atomic(_258102)
   Call: (233) [system] atom_chars(_258102, ['B'])
   Exit: (233) [system] atom_chars('B', ['B'])
^  Exit: (232) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (232) [system] integer('B')
   Fail: (232) [system] integer('B')
   Call: (232) [system] _212374='B'
   Exit: (232) [system] 'B'='B'
^  Exit: (231) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (230) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (229) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (229) [user] read_list(')', (0x55772f068e50), _273052)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _274910)
   Exit: (231) [system] peek_char((0x55772f068e50), ' ')
   Call: (231) [system] ' '=(;)
   Fail: (231) [system] ' '=(;)
   Call: (231) [system] ' '=(/)
   Fail: (231) [system] ' '=(/)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x55772f068e50), _284504)
   Exit: (231) [system] get_char((0x55772f068e50), ' ')
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _287208)
   Exit: (232) [system] peek_char((0x55772f068e50), '(')
   Call: (232) [system] '('=(;)
   Fail: (232) [system] '('=(;)
   Call: (232) [system] '('=(/)
   Fail: (232) [system] '('=(/)
^  Call: (232) [user] is_like_space('(')
   Call: (233) [system] char_type('(', 'white')
   Fail: (233) [system] char_type('(', 'white')
   Call: (233) [system] char_type('(', end_of_line)
   Fail: (233) [system] char_type('(', end_of_line)
   Call: (233) [system] char_type('(', space)
   Fail: (233) [system] char_type('(', space)
   Call: (233) [system] char_type('(', cntrl)
   Fail: (233) [system] char_type('(', cntrl)
^  Fail: (232) [user] is_like_space('(')
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _304142)
   Exit: (230) [system] peek_char((0x55772f068e50), '(')
   Call: (230) [system] '('=')'
   Fail: (230) [system] '('=')'
   Call: (230) [system] '('=end_of_file
   Fail: (230) [system] '('=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x55772f068e50), _309712)
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _311570)
   Exit: (232) [system] peek_char((0x55772f068e50), '(')
   Call: (232) [system] '('=(;)
   Fail: (232) [system] '('=(;)
   Call: (232) [system] '('=(/)
   Fail: (232) [system] '('=(/)
^  Call: (232) [user] is_like_space('(')
   Call: (233) [system] char_type('(', 'white')
   Fail: (233) [system] char_type('(', 'white')
   Call: (233) [system] char_type('(', end_of_line)
   Fail: (233) [system] char_type('(', end_of_line)
   Call: (233) [system] char_type('(', space)
   Fail: (233) [system] char_type('(', space)
   Call: (233) [system] char_type('(', cntrl)
   Fail: (233) [system] char_type('(', cntrl)
^  Fail: (232) [user] is_like_space('(')
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] get_char((0x55772f068e50), _327580)
   Exit: (231) [system] get_char((0x55772f068e50), '(')
   Call: (231) [system] '('='('
   Exit: (231) [system] '('='('
^  Call: (231) [user] read_list(')', (0x55772f068e50), _309712)
^  Call: (232) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _333150)
   Exit: (233) [system] peek_char((0x55772f068e50), 'I')
   Call: (233) [system] 'I'=(;)
   Fail: (233) [system] 'I'=(;)
   Call: (233) [system] 'I'=(/)
   Fail: (233) [system] 'I'=(/)
^  Call: (233) [user] is_like_space('I')
   Call: (234) [system] char_type('I', 'white')
   Fail: (234) [system] char_type('I', 'white')
   Call: (234) [system] char_type('I', end_of_line)
   Fail: (234) [system] char_type('I', end_of_line)
   Call: (234) [system] char_type('I', space)
   Fail: (234) [system] char_type('I', space)
   Call: (234) [system] char_type('I', cntrl)
   Fail: (234) [system] char_type('I', cntrl)
^  Fail: (233) [user] is_like_space('I')
^  Exit: (232) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _349160)
   Exit: (232) [system] peek_char((0x55772f068e50), 'I')
   Call: (232) [system] 'I'=')'
   Fail: (232) [system] 'I'=')'
   Call: (232) [system] 'I'=end_of_file
   Fail: (232) [system] 'I'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x55772f068e50), _354730)
^  Call: (233) [user] skip_spaces((0x55772f068e50))
   Call: (234) [system] peek_char((0x55772f068e50), _356588)
   Exit: (234) [system] peek_char((0x55772f068e50), 'I')
   Call: (234) [system] 'I'=(;)
   Fail: (234) [system] 'I'=(;)
   Call: (234) [system] 'I'=(/)
   Fail: (234) [system] 'I'=(/)
^  Call: (234) [user] is_like_space('I')
   Call: (235) [system] char_type('I', 'white')
   Fail: (235) [system] char_type('I', 'white')
   Call: (235) [system] char_type('I', end_of_line)
   Fail: (235) [system] char_type('I', end_of_line)
   Call: (235) [system] char_type('I', space)
   Fail: (235) [system] char_type('I', space)
   Call: (235) [system] char_type('I', cntrl)
   Fail: (235) [system] char_type('I', cntrl)
^  Fail: (234) [user] is_like_space('I')
^  Exit: (233) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] get_char((0x55772f068e50), _372598)
   Exit: (233) [system] get_char((0x55772f068e50), 'I')
   Call: (233) [system] 'I'='('
   Fail: (233) [system] 'I'='('
   Call: (233) [system] 'I'='['
   Fail: (233) [system] 'I'='['
   Call: (233) [system] 'I'='{'
   Fail: (233) [system] 'I'='{'
   Call: (233) [system] 'I'='"'
   Fail: (233) [system] 'I'='"'
   Call: (233) [system] 'I'=!
   Fail: (233) [system] 'I'=!
   Call: (233) [system] 'I'='\''
   Fail: (233) [system] 'I'='\''
   Call: (233) [system] 'I'='`'
   Fail: (233) [system] 'I'='`'
   Call: (233) [system] 'I'=end_of_file
   Fail: (233) [system] 'I'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x55772f068e50), 'I', _354730)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _390240)
   Call: (235) [system] peek_char((0x55772f068e50), _391174)
   Exit: (235) [system] peek_char((0x55772f068e50), m)
^  Call: (235) [user] is_delimiter(m)
   Call: (236) [system] char_type(m, space)
   Fail: (236) [system] char_type(m, space)
   Call: (236) [system] arg(_395894, v('(', ')', end_of_file), m)
   Fail: (236) [system] arg(_396826, v('(', ')', end_of_file), m)
^  Fail: (235) [user] is_delimiter(m)
   Call: (235) [system] ')'==m
   Fail: (235) [system] ')'==m
   Call: (235) [system] get_char((0x55772f068e50), m)
   Exit: (235) [system] get_char((0x55772f068e50), m)
   Call: (235) [system] m=(\)
   Fail: (235) [system] m=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _404176)
   Call: (236) [system] peek_char((0x55772f068e50), _405110)
   Exit: (236) [system] peek_char((0x55772f068e50), p)
^  Call: (236) [user] is_delimiter(p)
   Call: (237) [system] char_type(p, space)
   Fail: (237) [system] char_type(p, space)
   Call: (237) [system] arg(_409830, v('(', ')', end_of_file), p)
   Fail: (237) [system] arg(_410762, v('(', ')', end_of_file), p)
^  Fail: (236) [user] is_delimiter(p)
   Call: (236) [system] ')'==p
   Fail: (236) [system] ')'==p
   Call: (236) [system] get_char((0x55772f068e50), p)
   Exit: (236) [system] get_char((0x55772f068e50), p)
   Call: (236) [system] p=(\)
   Fail: (236) [system] p=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _418112)
   Call: (237) [system] peek_char((0x55772f068e50), _419046)
   Exit: (237) [system] peek_char((0x55772f068e50), l)
^  Call: (237) [user] is_delimiter(l)
   Call: (238) [system] char_type(l, space)
   Fail: (238) [system] char_type(l, space)
   Call: (238) [system] arg(_423766, v('(', ')', end_of_file), l)
   Fail: (238) [system] arg(_424698, v('(', ')', end_of_file), l)
^  Fail: (237) [user] is_delimiter(l)
   Call: (237) [system] ')'==l
   Fail: (237) [system] ')'==l
   Call: (237) [system] get_char((0x55772f068e50), l)
   Exit: (237) [system] get_char((0x55772f068e50), l)
   Call: (237) [system] l=(\)
   Fail: (237) [system] l=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _432048)
   Call: (238) [system] peek_char((0x55772f068e50), _432982)
   Exit: (238) [system] peek_char((0x55772f068e50), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Fail: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_437702, v('(', ')', end_of_file), i)
   Fail: (239) [system] arg(_438634, v('(', ')', end_of_file), i)
^  Fail: (238) [user] is_delimiter(i)
   Call: (238) [system] ')'==i
   Fail: (238) [system] ')'==i
   Call: (238) [system] get_char((0x55772f068e50), i)
   Exit: (238) [system] get_char((0x55772f068e50), i)
   Call: (238) [system] i=(\)
   Fail: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _445984)
   Call: (239) [system] peek_char((0x55772f068e50), _446918)
   Exit: (239) [system] peek_char((0x55772f068e50), c)
^  Call: (239) [user] is_delimiter(c)
   Call: (240) [system] char_type(c, space)
   Fail: (240) [system] char_type(c, space)
   Call: (240) [system] arg(_451638, v('(', ')', end_of_file), c)
   Fail: (240) [system] arg(_452570, v('(', ')', end_of_file), c)
^  Fail: (239) [user] is_delimiter(c)
   Call: (239) [system] ')'==c
   Fail: (239) [system] ')'==c
   Call: (239) [system] get_char((0x55772f068e50), c)
   Exit: (239) [system] get_char((0x55772f068e50), c)
   Call: (239) [system] c=(\)
   Fail: (239) [system] c=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _459920)
   Call: (240) [system] peek_char((0x55772f068e50), _460854)
   Exit: (240) [system] peek_char((0x55772f068e50), a)
^  Call: (240) [user] is_delimiter(a)
   Call: (241) [system] char_type(a, space)
   Fail: (241) [system] char_type(a, space)
   Call: (241) [system] arg(_465574, v('(', ')', end_of_file), a)
   Fail: (241) [system] arg(_466506, v('(', ')', end_of_file), a)
^  Fail: (240) [user] is_delimiter(a)
   Call: (240) [system] ')'==a
   Fail: (240) [system] ')'==a
   Call: (240) [system] get_char((0x55772f068e50), a)
   Exit: (240) [system] get_char((0x55772f068e50), a)
   Call: (240) [system] a=(\)
   Fail: (240) [system] a=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _473856)
   Call: (241) [system] peek_char((0x55772f068e50), _474790)
   Exit: (241) [system] peek_char((0x55772f068e50), t)
^  Call: (241) [user] is_delimiter(t)
   Call: (242) [system] char_type(t, space)
   Fail: (242) [system] char_type(t, space)
   Call: (242) [system] arg(_479510, v('(', ')', end_of_file), t)
   Fail: (242) [system] arg(_480442, v('(', ')', end_of_file), t)
^  Fail: (241) [user] is_delimiter(t)
   Call: (241) [system] ')'==t
   Fail: (241) [system] ')'==t
   Call: (241) [system] get_char((0x55772f068e50), t)
   Exit: (241) [system] get_char((0x55772f068e50), t)
   Call: (241) [system] t=(\)
   Fail: (241) [system] t=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x55772f068e50), _487792)
   Call: (242) [system] peek_char((0x55772f068e50), _488726)
   Exit: (242) [system] peek_char((0x55772f068e50), i)
^  Call: (242) [user] is_delimiter(i)
   Call: (243) [system] char_type(i, space)
   Fail: (243) [system] char_type(i, space)
   Call: (243) [system] arg(_493446, v('(', ')', end_of_file), i)
   Fail: (243) [system] arg(_494378, v('(', ')', end_of_file), i)
^  Fail: (242) [user] is_delimiter(i)
   Call: (242) [system] ')'==i
   Fail: (242) [system] ')'==i
   Call: (242) [system] get_char((0x55772f068e50), i)
   Exit: (242) [system] get_char((0x55772f068e50), i)
   Call: (242) [system] i=(\)
   Fail: (242) [system] i=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x55772f068e50), _501728)
   Call: (243) [system] peek_char((0x55772f068e50), _502662)
   Exit: (243) [system] peek_char((0x55772f068e50), o)
^  Call: (243) [user] is_delimiter(o)
   Call: (244) [system] char_type(o, space)
   Fail: (244) [system] char_type(o, space)
   Call: (244) [system] arg(_507382, v('(', ')', end_of_file), o)
   Fail: (244) [system] arg(_508314, v('(', ')', end_of_file), o)
^  Fail: (243) [user] is_delimiter(o)
   Call: (243) [system] ')'==o
   Fail: (243) [system] ')'==o
   Call: (243) [system] get_char((0x55772f068e50), o)
   Exit: (243) [system] get_char((0x55772f068e50), o)
   Call: (243) [system] o=(\)
   Fail: (243) [system] o=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x55772f068e50), _515664)
   Call: (244) [system] peek_char((0x55772f068e50), _516598)
   Exit: (244) [system] peek_char((0x55772f068e50), n)
^  Call: (244) [user] is_delimiter(n)
   Call: (245) [system] char_type(n, space)
   Fail: (245) [system] char_type(n, space)
   Call: (245) [system] arg(_521318, v('(', ')', end_of_file), n)
   Fail: (245) [system] arg(_522250, v('(', ')', end_of_file), n)
^  Fail: (244) [user] is_delimiter(n)
   Call: (244) [system] ')'==n
   Fail: (244) [system] ')'==n
   Call: (244) [system] get_char((0x55772f068e50), n)
   Exit: (244) [system] get_char((0x55772f068e50), n)
   Call: (244) [system] n=(\)
   Fail: (244) [system] n=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x55772f068e50), _529600)
   Call: (245) [system] peek_char((0x55772f068e50), _530534)
   Exit: (245) [system] peek_char((0x55772f068e50), ' ')
^  Call: (245) [user] is_delimiter(' ')
   Call: (246) [system] char_type(' ', space)
   Exit: (246) [system] char_type(' ', space)
^  Exit: (245) [user] is_delimiter(' ')
   Call: (245) [system] _529600=[]
   Exit: (245) [system] []=[]
^  Exit: (244) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (244) [system] _515664=[n]
   Exit: (244) [system] [n]=[n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (243) [system] _501728=[o, n]
   Exit: (243) [system] [o, n]=[o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (242) [system] _487792=[i, o, n]
   Exit: (242) [system] [i, o, n]=[i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (241) [system] _473856=[t, i, o, n]
   Exit: (241) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (240) [system] _459920=[a, t, i, o, n]
   Exit: (240) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (239) [system] _445984=[c, a, t, i, o, n]
   Exit: (239) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (238) [system] _432048=[i, c, a, t, i, o, n]
   Exit: (238) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (237) [system] _418112=[l, i, c, a, t, i, o, n]
   Exit: (237) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (236) [system] _404176=[p, l, i, c, a, t, i, o, n]
   Exit: (236) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (235) [system] _390240=[m, p, l, i, c, a, t, i, o, n]
   Exit: (235) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (234) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _354730)
^  Call: (235) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _567758)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_568710, _568712), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _567758), _568692, fail)), '$restore_trace'(_568710, _568712))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_568710, _568712))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _567758), _568692, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(_567758)
   Fail: (236) [system] atomic(_567758)
   Call: (236) [system] atom_chars(_567758, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (236) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (235) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (235) [system] integer('Implication')
   Fail: (235) [system] integer('Implication')
   Call: (235) [system] _354730='Implication'
   Exit: (235) [system] 'Implication'='Implication'
^  Exit: (234) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (233) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (232) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (232) [user] read_list(')', (0x55772f068e50), _582708)
^  Call: (233) [user] skip_spaces((0x55772f068e50))
   Call: (234) [system] peek_char((0x55772f068e50), _584566)
   Exit: (234) [system] peek_char((0x55772f068e50), ' ')
   Call: (234) [system] ' '=(;)
   Fail: (234) [system] ' '=(;)
   Call: (234) [system] ' '=(/)
   Fail: (234) [system] ' '=(/)
^  Call: (234) [user] is_like_space(' ')
   Call: (235) [system] char_type(' ', 'white')
   Exit: (235) [system] char_type(' ', 'white')
^  Exit: (234) [user] is_like_space(' ')
   Call: (234) [system] get_char((0x55772f068e50), _594160)
   Exit: (234) [system] get_char((0x55772f068e50), ' ')
^  Call: (234) [user] skip_spaces((0x55772f068e50))
   Call: (235) [system] peek_char((0x55772f068e50), _596864)
   Exit: (235) [system] peek_char((0x55772f068e50), '(')
   Call: (235) [system] '('=(;)
   Fail: (235) [system] '('=(;)
   Call: (235) [system] '('=(/)
   Fail: (235) [system] '('=(/)
^  Call: (235) [user] is_like_space('(')
   Call: (236) [system] char_type('(', 'white')
   Fail: (236) [system] char_type('(', 'white')
   Call: (236) [system] char_type('(', end_of_line)
   Fail: (236) [system] char_type('(', end_of_line)
   Call: (236) [system] char_type('(', space)
   Fail: (236) [system] char_type('(', space)
   Call: (236) [system] char_type('(', cntrl)
   Fail: (236) [system] char_type('(', cntrl)
^  Fail: (235) [user] is_like_space('(')
^  Exit: (234) [user] skip_spaces((0x55772f068e50))
^  Exit: (233) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _613798)
   Exit: (233) [system] peek_char((0x55772f068e50), '(')
   Call: (233) [system] '('=')'
   Fail: (233) [system] '('=')'
   Call: (233) [system] '('=end_of_file
   Fail: (233) [system] '('=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x55772f068e50), _619368)
^  Call: (234) [user] skip_spaces((0x55772f068e50))
   Call: (235) [system] peek_char((0x55772f068e50), _621226)
   Exit: (235) [system] peek_char((0x55772f068e50), '(')
   Call: (235) [system] '('=(;)
   Fail: (235) [system] '('=(;)
   Call: (235) [system] '('=(/)
   Fail: (235) [system] '('=(/)
^  Call: (235) [user] is_like_space('(')
   Call: (236) [system] char_type('(', 'white')
   Fail: (236) [system] char_type('(', 'white')
   Call: (236) [system] char_type('(', end_of_line)
   Fail: (236) [system] char_type('(', end_of_line)
   Call: (236) [system] char_type('(', space)
   Fail: (236) [system] char_type('(', space)
   Call: (236) [system] char_type('(', cntrl)
   Fail: (236) [system] char_type('(', cntrl)
^  Fail: (235) [user] is_like_space('(')
^  Exit: (234) [user] skip_spaces((0x55772f068e50))
   Call: (234) [system] get_char((0x55772f068e50), _637236)
   Exit: (234) [system] get_char((0x55772f068e50), '(')
   Call: (234) [system] '('='('
   Exit: (234) [system] '('='('
^  Call: (234) [user] read_list(')', (0x55772f068e50), _619368)
^  Call: (235) [user] skip_spaces((0x55772f068e50))
   Call: (236) [system] peek_char((0x55772f068e50), _642806)
   Exit: (236) [system] peek_char((0x55772f068e50), 'A')
   Call: (236) [system] 'A'=(;)
   Fail: (236) [system] 'A'=(;)
   Call: (236) [system] 'A'=(/)
   Fail: (236) [system] 'A'=(/)
^  Call: (236) [user] is_like_space('A')
   Call: (237) [system] char_type('A', 'white')
   Fail: (237) [system] char_type('A', 'white')
   Call: (237) [system] char_type('A', end_of_line)
   Fail: (237) [system] char_type('A', end_of_line)
   Call: (237) [system] char_type('A', space)
   Fail: (237) [system] char_type('A', space)
   Call: (237) [system] char_type('A', cntrl)
   Fail: (237) [system] char_type('A', cntrl)
^  Fail: (236) [user] is_like_space('A')
^  Exit: (235) [user] skip_spaces((0x55772f068e50))
   Call: (235) [system] peek_char((0x55772f068e50), _658816)
   Exit: (235) [system] peek_char((0x55772f068e50), 'A')
   Call: (235) [system] 'A'=')'
   Fail: (235) [system] 'A'=')'
   Call: (235) [system] 'A'=end_of_file
   Fail: (235) [system] 'A'=end_of_file
^  Call: (235) [user] cont_sexpr(')', (0x55772f068e50), _664386)
^  Call: (236) [user] skip_spaces((0x55772f068e50))
   Call: (237) [system] peek_char((0x55772f068e50), _666244)
   Exit: (237) [system] peek_char((0x55772f068e50), 'A')
   Call: (237) [system] 'A'=(;)
   Fail: (237) [system] 'A'=(;)
   Call: (237) [system] 'A'=(/)
   Fail: (237) [system] 'A'=(/)
^  Call: (237) [user] is_like_space('A')
   Call: (238) [system] char_type('A', 'white')
   Fail: (238) [system] char_type('A', 'white')
   Call: (238) [system] char_type('A', end_of_line)
   Fail: (238) [system] char_type('A', end_of_line)
   Call: (238) [system] char_type('A', space)
   Fail: (238) [system] char_type('A', space)
   Call: (238) [system] char_type('A', cntrl)
   Fail: (238) [system] char_type('A', cntrl)
^  Fail: (237) [user] is_like_space('A')
^  Exit: (236) [user] skip_spaces((0x55772f068e50))
   Call: (236) [system] get_char((0x55772f068e50), _682254)
   Exit: (236) [system] get_char((0x55772f068e50), 'A')
   Call: (236) [system] 'A'='('
   Fail: (236) [system] 'A'='('
   Call: (236) [system] 'A'='['
   Fail: (236) [system] 'A'='['
   Call: (236) [system] 'A'='{'
   Fail: (236) [system] 'A'='{'
   Call: (236) [system] 'A'='"'
   Fail: (236) [system] 'A'='"'
   Call: (236) [system] 'A'=!
   Fail: (236) [system] 'A'=!
   Call: (236) [system] 'A'='\''
   Fail: (236) [system] 'A'='\''
   Call: (236) [system] 'A'='`'
   Fail: (236) [system] 'A'='`'
   Call: (236) [system] 'A'=end_of_file
   Fail: (236) [system] 'A'=end_of_file
^  Call: (236) [user] read_symbolic(')', (0x55772f068e50), 'A', _664386)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _699896)
   Call: (238) [system] peek_char((0x55772f068e50), _700830)
   Exit: (238) [system] peek_char((0x55772f068e50), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Fail: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_705550, v('(', ')', end_of_file), n)
   Fail: (239) [system] arg(_706482, v('(', ')', end_of_file), n)
^  Fail: (238) [user] is_delimiter(n)
   Call: (238) [system] ')'==n
   Fail: (238) [system] ')'==n
   Call: (238) [system] get_char((0x55772f068e50), n)
   Exit: (238) [system] get_char((0x55772f068e50), n)
   Call: (238) [system] n=(\)
   Fail: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _713832)
   Call: (239) [system] peek_char((0x55772f068e50), _714766)
   Exit: (239) [system] peek_char((0x55772f068e50), d)
^  Call: (239) [user] is_delimiter(d)
   Call: (240) [system] char_type(d, space)
   Fail: (240) [system] char_type(d, space)
   Call: (240) [system] arg(_719486, v('(', ')', end_of_file), d)
   Fail: (240) [system] arg(_720418, v('(', ')', end_of_file), d)
^  Fail: (239) [user] is_delimiter(d)
   Call: (239) [system] ')'==d
   Fail: (239) [system] ')'==d
   Call: (239) [system] get_char((0x55772f068e50), d)
   Exit: (239) [system] get_char((0x55772f068e50), d)
   Call: (239) [system] d=(\)
   Fail: (239) [system] d=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _727768)
   Call: (240) [system] peek_char((0x55772f068e50), _728702)
   Exit: (240) [system] peek_char((0x55772f068e50), 'L')
^  Call: (240) [user] is_delimiter('L')
   Call: (241) [system] char_type('L', space)
   Fail: (241) [system] char_type('L', space)
   Call: (241) [system] arg(_733422, v('(', ')', end_of_file), 'L')
   Fail: (241) [system] arg(_734354, v('(', ')', end_of_file), 'L')
^  Fail: (240) [user] is_delimiter('L')
   Call: (240) [system] ')'=='L'
   Fail: (240) [system] ')'=='L'
   Call: (240) [system] get_char((0x55772f068e50), 'L')
   Exit: (240) [system] get_char((0x55772f068e50), 'L')
   Call: (240) [system] 'L'=(\)
   Fail: (240) [system] 'L'=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _741704)
   Call: (241) [system] peek_char((0x55772f068e50), _742638)
   Exit: (241) [system] peek_char((0x55772f068e50), i)
^  Call: (241) [user] is_delimiter(i)
   Call: (242) [system] char_type(i, space)
   Fail: (242) [system] char_type(i, space)
   Call: (242) [system] arg(_747358, v('(', ')', end_of_file), i)
   Fail: (242) [system] arg(_748290, v('(', ')', end_of_file), i)
^  Fail: (241) [user] is_delimiter(i)
   Call: (241) [system] ')'==i
   Fail: (241) [system] ')'==i
   Call: (241) [system] get_char((0x55772f068e50), i)
   Exit: (241) [system] get_char((0x55772f068e50), i)
   Call: (241) [system] i=(\)
   Fail: (241) [system] i=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x55772f068e50), _755640)
   Call: (242) [system] peek_char((0x55772f068e50), _756574)
   Exit: (242) [system] peek_char((0x55772f068e50), n)
^  Call: (242) [user] is_delimiter(n)
   Call: (243) [system] char_type(n, space)
   Fail: (243) [system] char_type(n, space)
   Call: (243) [system] arg(_761294, v('(', ')', end_of_file), n)
   Fail: (243) [system] arg(_762226, v('(', ')', end_of_file), n)
^  Fail: (242) [user] is_delimiter(n)
   Call: (242) [system] ')'==n
   Fail: (242) [system] ')'==n
   Call: (242) [system] get_char((0x55772f068e50), n)
   Exit: (242) [system] get_char((0x55772f068e50), n)
   Call: (242) [system] n=(\)
   Fail: (242) [system] n=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x55772f068e50), _769576)
   Call: (243) [system] peek_char((0x55772f068e50), _770510)
   Exit: (243) [system] peek_char((0x55772f068e50), k)
^  Call: (243) [user] is_delimiter(k)
   Call: (244) [system] char_type(k, space)
   Fail: (244) [system] char_type(k, space)
   Call: (244) [system] arg(_775230, v('(', ')', end_of_file), k)
   Fail: (244) [system] arg(_776162, v('(', ')', end_of_file), k)
^  Fail: (243) [user] is_delimiter(k)
   Call: (243) [system] ')'==k
   Fail: (243) [system] ')'==k
   Call: (243) [system] get_char((0x55772f068e50), k)
   Exit: (243) [system] get_char((0x55772f068e50), k)
   Call: (243) [system] k=(\)
   Fail: (243) [system] k=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x55772f068e50), _783512)
   Call: (244) [system] peek_char((0x55772f068e50), _784446)
   Exit: (244) [system] peek_char((0x55772f068e50), ' ')
^  Call: (244) [user] is_delimiter(' ')
   Call: (245) [system] char_type(' ', space)
   Exit: (245) [system] char_type(' ', space)
^  Exit: (244) [user] is_delimiter(' ')
   Call: (244) [system] _783512=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (243) [system] _769576=[k]
   Exit: (243) [system] [k]=[k]
^  Exit: (242) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (242) [system] _755640=[n, k]
   Exit: (242) [system] [n, k]=[n, k]
^  Exit: (241) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (241) [system] _741704=[i, n, k]
   Exit: (241) [system] [i, n, k]=[i, n, k]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (240) [system] _727768=['L', i, n, k]
   Exit: (240) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (239) [system] _713832=[d, 'L', i, n, k]
   Exit: (239) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (238) [system] _699896=[n, d, 'L', i, n, k]
   Exit: (238) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (237) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _664386)
^  Call: (238) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _810494)
^  Call: (240) [system] setup_call_cleanup('$notrace'(_811446, _811448), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _810494), _811428, fail)), '$restore_trace'(_811446, _811448))
^  Call: (241) [system] sig_atomic(system:'$notrace'(_811446, _811448))
^  Exit: (240) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _810494), _811428, fail)), system:'$restore_trace'(3, -1))
   Call: (239) [system] atomic(_810494)
   Fail: (239) [system] atomic(_810494)
   Call: (239) [system] atom_chars(_810494, ['A', n, d, 'L', i, n, k])
   Exit: (239) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (238) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (238) [system] integer('AndLink')
   Fail: (238) [system] integer('AndLink')
   Call: (238) [system] _664386='AndLink'
   Exit: (238) [system] 'AndLink'='AndLink'
^  Exit: (237) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (236) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (235) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (235) [user] read_list(')', (0x55772f068e50), _825444)
^  Call: (236) [user] skip_spaces((0x55772f068e50))
   Call: (237) [system] peek_char((0x55772f068e50), _827302)
   Exit: (237) [system] peek_char((0x55772f068e50), ' ')
   Call: (237) [system] ' '=(;)
   Fail: (237) [system] ' '=(;)
   Call: (237) [system] ' '=(/)
   Fail: (237) [system] ' '=(/)
^  Call: (237) [user] is_like_space(' ')
   Call: (238) [system] char_type(' ', 'white')
   Exit: (238) [system] char_type(' ', 'white')
^  Exit: (237) [user] is_like_space(' ')
   Call: (237) [system] get_char((0x55772f068e50), _836896)
   Exit: (237) [system] get_char((0x55772f068e50), ' ')
^  Call: (237) [user] skip_spaces((0x55772f068e50))
   Call: (238) [system] peek_char((0x55772f068e50), _839600)
   Exit: (238) [system] peek_char((0x55772f068e50), 'A')
   Call: (238) [system] 'A'=(;)
   Fail: (238) [system] 'A'=(;)
   Call: (238) [system] 'A'=(/)
   Fail: (238) [system] 'A'=(/)
^  Call: (238) [user] is_like_space('A')
   Call: (239) [system] char_type('A', 'white')
   Fail: (239) [system] char_type('A', 'white')
   Call: (239) [system] char_type('A', end_of_line)
   Fail: (239) [system] char_type('A', end_of_line)
   Call: (239) [system] char_type('A', space)
   Fail: (239) [system] char_type('A', space)
   Call: (239) [system] char_type('A', cntrl)
   Fail: (239) [system] char_type('A', cntrl)
^  Fail: (238) [user] is_like_space('A')
^  Exit: (237) [user] skip_spaces((0x55772f068e50))
^  Exit: (236) [user] skip_spaces((0x55772f068e50))
   Call: (236) [system] peek_char((0x55772f068e50), _856534)
   Exit: (236) [system] peek_char((0x55772f068e50), 'A')
   Call: (236) [system] 'A'=')'
   Fail: (236) [system] 'A'=')'
   Call: (236) [system] 'A'=end_of_file
   Fail: (236) [system] 'A'=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x55772f068e50), _862104)
^  Call: (237) [user] skip_spaces((0x55772f068e50))
   Call: (238) [system] peek_char((0x55772f068e50), _863962)
   Exit: (238) [system] peek_char((0x55772f068e50), 'A')
   Call: (238) [system] 'A'=(;)
   Fail: (238) [system] 'A'=(;)
   Call: (238) [system] 'A'=(/)
   Fail: (238) [system] 'A'=(/)
^  Call: (238) [user] is_like_space('A')
   Call: (239) [system] char_type('A', 'white')
   Fail: (239) [system] char_type('A', 'white')
   Call: (239) [system] char_type('A', end_of_line)
   Fail: (239) [system] char_type('A', end_of_line)
   Call: (239) [system] char_type('A', space)
   Fail: (239) [system] char_type('A', space)
   Call: (239) [system] char_type('A', cntrl)
   Fail: (239) [system] char_type('A', cntrl)
^  Fail: (238) [user] is_like_space('A')
^  Exit: (237) [user] skip_spaces((0x55772f068e50))
   Call: (237) [system] get_char((0x55772f068e50), _879972)
   Exit: (237) [system] get_char((0x55772f068e50), 'A')
   Call: (237) [system] 'A'='('
   Fail: (237) [system] 'A'='('
   Call: (237) [system] 'A'='['
   Fail: (237) [system] 'A'='['
   Call: (237) [system] 'A'='{'
   Fail: (237) [system] 'A'='{'
   Call: (237) [system] 'A'='"'
   Fail: (237) [system] 'A'='"'
   Call: (237) [system] 'A'=!
   Fail: (237) [system] 'A'=!
   Call: (237) [system] 'A'='\''
   Fail: (237) [system] 'A'='\''
   Call: (237) [system] 'A'='`'
   Fail: (237) [system] 'A'='`'
   Call: (237) [system] 'A'=end_of_file
   Fail: (237) [system] 'A'=end_of_file
^  Call: (237) [user] read_symbolic(')', (0x55772f068e50), 'A', _862104)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _897614)
   Call: (239) [system] peek_char((0x55772f068e50), _898548)
   Exit: (239) [system] peek_char((0x55772f068e50), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _897614=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (238) [user] classify_and_convert_charseq(['A'], _862104)
^  Call: (239) [user] classify_and_convert_charseq_(['A'], _907832)
^  Call: (241) [system] setup_call_cleanup('$notrace'(_908784, _908786), once(user:catch(read_from_chars(['A'], _907832), _908766, fail)), '$restore_trace'(_908784, _908786))
^  Call: (242) [system] sig_atomic(system:'$notrace'(_908784, _908786))
^  Exit: (241) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _907832), _908766, fail)), system:'$restore_trace'(3, -1))
   Call: (240) [system] atomic(_907832)
   Fail: (240) [system] atomic(_907832)
   Call: (240) [system] atom_chars(_907832, ['A'])
   Exit: (240) [system] atom_chars('A', ['A'])
^  Exit: (239) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (239) [system] integer('A')
   Fail: (239) [system] integer('A')
   Call: (239) [system] _862104='A'
   Exit: (239) [system] 'A'='A'
^  Exit: (238) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (237) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (236) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (236) [user] read_list(')', (0x55772f068e50), _922782)
^  Call: (237) [user] skip_spaces((0x55772f068e50))
   Call: (238) [system] peek_char((0x55772f068e50), _924640)
   Exit: (238) [system] peek_char((0x55772f068e50), ' ')
   Call: (238) [system] ' '=(;)
   Fail: (238) [system] ' '=(;)
   Call: (238) [system] ' '=(/)
   Fail: (238) [system] ' '=(/)
^  Call: (238) [user] is_like_space(' ')
   Call: (239) [system] char_type(' ', 'white')
   Exit: (239) [system] char_type(' ', 'white')
^  Exit: (238) [user] is_like_space(' ')
   Call: (238) [system] get_char((0x55772f068e50), _934234)
   Exit: (238) [system] get_char((0x55772f068e50), ' ')
^  Call: (238) [user] skip_spaces((0x55772f068e50))
   Call: (239) [system] peek_char((0x55772f068e50), _936938)
   Exit: (239) [system] peek_char((0x55772f068e50), 'B')
   Call: (239) [system] 'B'=(;)
   Fail: (239) [system] 'B'=(;)
   Call: (239) [system] 'B'=(/)
   Fail: (239) [system] 'B'=(/)
^  Call: (239) [user] is_like_space('B')
   Call: (240) [system] char_type('B', 'white')
   Fail: (240) [system] char_type('B', 'white')
   Call: (240) [system] char_type('B', end_of_line)
   Fail: (240) [system] char_type('B', end_of_line)
   Call: (240) [system] char_type('B', space)
   Fail: (240) [system] char_type('B', space)
   Call: (240) [system] char_type('B', cntrl)
   Fail: (240) [system] char_type('B', cntrl)
^  Fail: (239) [user] is_like_space('B')
^  Exit: (238) [user] skip_spaces((0x55772f068e50))
^  Exit: (237) [user] skip_spaces((0x55772f068e50))
   Call: (237) [system] peek_char((0x55772f068e50), _953872)
   Exit: (237) [system] peek_char((0x55772f068e50), 'B')
   Call: (237) [system] 'B'=')'
   Fail: (237) [system] 'B'=')'
   Call: (237) [system] 'B'=end_of_file
   Fail: (237) [system] 'B'=end_of_file
^  Call: (237) [user] cont_sexpr(')', (0x55772f068e50), _959442)
^  Call: (238) [user] skip_spaces((0x55772f068e50))
   Call: (239) [system] peek_char((0x55772f068e50), _961300)
   Exit: (239) [system] peek_char((0x55772f068e50), 'B')
   Call: (239) [system] 'B'=(;)
   Fail: (239) [system] 'B'=(;)
   Call: (239) [system] 'B'=(/)
   Fail: (239) [system] 'B'=(/)
^  Call: (239) [user] is_like_space('B')
   Call: (240) [system] char_type('B', 'white')
   Fail: (240) [system] char_type('B', 'white')
   Call: (240) [system] char_type('B', end_of_line)
   Fail: (240) [system] char_type('B', end_of_line)
   Call: (240) [system] char_type('B', space)
   Fail: (240) [system] char_type('B', space)
   Call: (240) [system] char_type('B', cntrl)
   Fail: (240) [system] char_type('B', cntrl)
^  Fail: (239) [user] is_like_space('B')
^  Exit: (238) [user] skip_spaces((0x55772f068e50))
   Call: (238) [system] get_char((0x55772f068e50), _977310)
   Exit: (238) [system] get_char((0x55772f068e50), 'B')
   Call: (238) [system] 'B'='('
   Fail: (238) [system] 'B'='('
   Call: (238) [system] 'B'='['
   Fail: (238) [system] 'B'='['
   Call: (238) [system] 'B'='{'
   Fail: (238) [system] 'B'='{'
   Call: (238) [system] 'B'='"'
   Fail: (238) [system] 'B'='"'
   Call: (238) [system] 'B'=!
   Fail: (238) [system] 'B'=!
   Call: (238) [system] 'B'='\''
   Fail: (238) [system] 'B'='\''
   Call: (238) [system] 'B'='`'
   Fail: (238) [system] 'B'='`'
   Call: (238) [system] 'B'=end_of_file
   Fail: (238) [system] 'B'=end_of_file
^  Call: (238) [user] read_symbolic(')', (0x55772f068e50), 'B', _959442)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _994952)
   Call: (240) [system] peek_char((0x55772f068e50), _995886)
   Exit: (240) [system] peek_char((0x55772f068e50), ')')
^  Call: (240) [user] is_delimiter(')')
   Call: (241) [system] char_type(')', space)
   Fail: (241) [system] char_type(')', space)
   Call: (241) [system] arg(_1000606, v('(', ')', end_of_file), ')')
   Exit: (241) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (240) [user] is_delimiter(')')
   Call: (240) [system] _994952=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (239) [user] classify_and_convert_charseq(['B'], _959442)
^  Call: (240) [user] classify_and_convert_charseq_(['B'], _1007042)
^  Call: (242) [system] setup_call_cleanup('$notrace'(_1007994, _1007996), once(user:catch(read_from_chars(['B'], _1007042), _1007976, fail)), '$restore_trace'(_1007994, _1007996))
^  Call: (243) [system] sig_atomic(system:'$notrace'(_1007994, _1007996))
^  Exit: (242) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1007042), _1007976, fail)), system:'$restore_trace'(3, -1))
   Call: (241) [system] atomic(_1007042)
   Fail: (241) [system] atomic(_1007042)
   Call: (241) [system] atom_chars(_1007042, ['B'])
   Exit: (241) [system] atom_chars('B', ['B'])
^  Exit: (240) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (240) [system] integer('B')
   Fail: (240) [system] integer('B')
   Call: (240) [system] _959442='B'
   Exit: (240) [system] 'B'='B'
^  Exit: (239) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (238) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (237) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (237) [user] read_list(')', (0x55772f068e50), _1021992)
^  Call: (238) [user] skip_spaces((0x55772f068e50))
   Call: (239) [system] peek_char((0x55772f068e50), _1023850)
   Exit: (239) [system] peek_char((0x55772f068e50), ')')
   Call: (239) [system] ')'=(;)
   Fail: (239) [system] ')'=(;)
   Call: (239) [system] ')'=(/)
   Fail: (239) [system] ')'=(/)
^  Call: (239) [user] is_like_space(')')
   Call: (240) [system] char_type(')', 'white')
   Fail: (240) [system] char_type(')', 'white')
   Call: (240) [system] char_type(')', end_of_line)
   Fail: (240) [system] char_type(')', end_of_line)
   Call: (240) [system] char_type(')', space)
   Fail: (240) [system] char_type(')', space)
   Call: (240) [system] char_type(')', cntrl)
   Fail: (240) [system] char_type(')', cntrl)
^  Fail: (239) [user] is_like_space(')')
^  Exit: (238) [user] skip_spaces((0x55772f068e50))
   Call: (238) [system] peek_char((0x55772f068e50), _1039860)
   Exit: (238) [system] peek_char((0x55772f068e50), ')')
   Call: (238) [system] ')'=')'
   Exit: (238) [system] ')'=')'
   Call: (238) [system] get_char((0x55772f068e50), _1043650)
   Exit: (238) [system] get_char((0x55772f068e50), ')')
   Call: (238) [system] _1021992=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_list(')', (0x55772f068e50), [])
   Call: (237) [system] _922782=['B']
   Exit: (237) [system] ['B']=['B']
^  Exit: (236) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (236) [system] _825444=['A', 'B']
   Exit: (236) [system] ['A', 'B']=['A', 'B']
^  Exit: (235) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (235) [system] _619368=['AndLink', 'A', 'B']
   Exit: (235) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (234) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (233) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (233) [user] read_list(')', (0x55772f068e50), _1057532)
^  Call: (234) [user] skip_spaces((0x55772f068e50))
   Call: (235) [system] peek_char((0x55772f068e50), _1059390)
   Exit: (235) [system] peek_char((0x55772f068e50), ' ')
   Call: (235) [system] ' '=(;)
   Fail: (235) [system] ' '=(;)
   Call: (235) [system] ' '=(/)
   Fail: (235) [system] ' '=(/)
^  Call: (235) [user] is_like_space(' ')
   Call: (236) [system] char_type(' ', 'white')
   Exit: (236) [system] char_type(' ', 'white')
^  Exit: (235) [user] is_like_space(' ')
   Call: (235) [system] get_char((0x55772f068e50), _1068984)
   Exit: (235) [system] get_char((0x55772f068e50), ' ')
^  Call: (235) [user] skip_spaces((0x55772f068e50))
   Call: (236) [system] peek_char((0x55772f068e50), _1071688)
   Exit: (236) [system] peek_char((0x55772f068e50), 'C')
   Call: (236) [system] 'C'=(;)
   Fail: (236) [system] 'C'=(;)
   Call: (236) [system] 'C'=(/)
   Fail: (236) [system] 'C'=(/)
^  Call: (236) [user] is_like_space('C')
   Call: (237) [system] char_type('C', 'white')
   Fail: (237) [system] char_type('C', 'white')
   Call: (237) [system] char_type('C', end_of_line)
   Fail: (237) [system] char_type('C', end_of_line)
   Call: (237) [system] char_type('C', space)
   Fail: (237) [system] char_type('C', space)
   Call: (237) [system] char_type('C', cntrl)
   Fail: (237) [system] char_type('C', cntrl)
^  Fail: (236) [user] is_like_space('C')
^  Exit: (235) [user] skip_spaces((0x55772f068e50))
^  Exit: (234) [user] skip_spaces((0x55772f068e50))
   Call: (234) [system] peek_char((0x55772f068e50), _1088622)
   Exit: (234) [system] peek_char((0x55772f068e50), 'C')
   Call: (234) [system] 'C'=')'
   Fail: (234) [system] 'C'=')'
   Call: (234) [system] 'C'=end_of_file
   Fail: (234) [system] 'C'=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x55772f068e50), _1094192)
^  Call: (235) [user] skip_spaces((0x55772f068e50))
   Call: (236) [system] peek_char((0x55772f068e50), _1096050)
   Exit: (236) [system] peek_char((0x55772f068e50), 'C')
   Call: (236) [system] 'C'=(;)
   Fail: (236) [system] 'C'=(;)
   Call: (236) [system] 'C'=(/)
   Fail: (236) [system] 'C'=(/)
^  Call: (236) [user] is_like_space('C')
   Call: (237) [system] char_type('C', 'white')
   Fail: (237) [system] char_type('C', 'white')
   Call: (237) [system] char_type('C', end_of_line)
   Fail: (237) [system] char_type('C', end_of_line)
   Call: (237) [system] char_type('C', space)
   Fail: (237) [system] char_type('C', space)
   Call: (237) [system] char_type('C', cntrl)
   Fail: (237) [system] char_type('C', cntrl)
^  Fail: (236) [user] is_like_space('C')
^  Exit: (235) [user] skip_spaces((0x55772f068e50))
   Call: (235) [system] get_char((0x55772f068e50), _1112060)
   Exit: (235) [system] get_char((0x55772f068e50), 'C')
   Call: (235) [system] 'C'='('
   Fail: (235) [system] 'C'='('
   Call: (235) [system] 'C'='['
   Fail: (235) [system] 'C'='['
   Call: (235) [system] 'C'='{'
   Fail: (235) [system] 'C'='{'
   Call: (235) [system] 'C'='"'
   Fail: (235) [system] 'C'='"'
   Call: (235) [system] 'C'=!
   Fail: (235) [system] 'C'=!
   Call: (235) [system] 'C'='\''
   Fail: (235) [system] 'C'='\''
   Call: (235) [system] 'C'='`'
   Fail: (235) [system] 'C'='`'
   Call: (235) [system] 'C'=end_of_file
   Fail: (235) [system] 'C'=end_of_file
^  Call: (235) [user] read_symbolic(')', (0x55772f068e50), 'C', _1094192)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1129702)
   Call: (237) [system] peek_char((0x55772f068e50), _1130636)
   Exit: (237) [system] peek_char((0x55772f068e50), ')')
^  Call: (237) [user] is_delimiter(')')
   Call: (238) [system] char_type(')', space)
   Fail: (238) [system] char_type(')', space)
   Call: (238) [system] arg(_1135356, v('(', ')', end_of_file), ')')
   Exit: (238) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (237) [user] is_delimiter(')')
   Call: (237) [system] _1129702=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (236) [user] classify_and_convert_charseq(['C'], _1094192)
^  Call: (237) [user] classify_and_convert_charseq_(['C'], _1141792)
^  Call: (239) [system] setup_call_cleanup('$notrace'(_1142744, _1142746), once(user:catch(read_from_chars(['C'], _1141792), _1142726, fail)), '$restore_trace'(_1142744, _1142746))
^  Call: (240) [system] sig_atomic(system:'$notrace'(_1142744, _1142746))
^  Exit: (239) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1141792), _1142726, fail)), system:'$restore_trace'(3, -1))
   Call: (238) [system] atomic(_1141792)
   Fail: (238) [system] atomic(_1141792)
   Call: (238) [system] atom_chars(_1141792, ['C'])
   Exit: (238) [system] atom_chars('C', ['C'])
^  Exit: (237) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (237) [system] integer('C')
   Fail: (237) [system] integer('C')
   Call: (237) [system] _1094192='C'
   Exit: (237) [system] 'C'='C'
^  Exit: (236) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (235) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (234) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (234) [user] read_list(')', (0x55772f068e50), _1156742)
^  Call: (235) [user] skip_spaces((0x55772f068e50))
   Call: (236) [system] peek_char((0x55772f068e50), _1158600)
   Exit: (236) [system] peek_char((0x55772f068e50), ')')
   Call: (236) [system] ')'=(;)
   Fail: (236) [system] ')'=(;)
   Call: (236) [system] ')'=(/)
   Fail: (236) [system] ')'=(/)
^  Call: (236) [user] is_like_space(')')
   Call: (237) [system] char_type(')', 'white')
   Fail: (237) [system] char_type(')', 'white')
   Call: (237) [system] char_type(')', end_of_line)
   Fail: (237) [system] char_type(')', end_of_line)
   Call: (237) [system] char_type(')', space)
   Fail: (237) [system] char_type(')', space)
   Call: (237) [system] char_type(')', cntrl)
   Fail: (237) [system] char_type(')', cntrl)
^  Fail: (236) [user] is_like_space(')')
^  Exit: (235) [user] skip_spaces((0x55772f068e50))
   Call: (235) [system] peek_char((0x55772f068e50), _1174610)
   Exit: (235) [system] peek_char((0x55772f068e50), ')')
   Call: (235) [system] ')'=')'
   Exit: (235) [system] ')'=')'
   Call: (235) [system] get_char((0x55772f068e50), _1178400)
   Exit: (235) [system] get_char((0x55772f068e50), ')')
   Call: (235) [system] _1156742=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_list(')', (0x55772f068e50), [])
   Call: (234) [system] _1057532=['C']
   Exit: (234) [system] ['C']=['C']
^  Exit: (233) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (233) [system] _582708=[['AndLink', 'A', 'B'], 'C']
   Exit: (233) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (232) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (232) [system] _309712=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (232) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (231) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (230) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (230) [user] read_list(')', (0x55772f068e50), _1192282)
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _1194140)
   Exit: (232) [system] peek_char((0x55772f068e50), ')')
   Call: (232) [system] ')'=(;)
   Fail: (232) [system] ')'=(;)
   Call: (232) [system] ')'=(/)
   Fail: (232) [system] ')'=(/)
^  Call: (232) [user] is_like_space(')')
   Call: (233) [system] char_type(')', 'white')
   Fail: (233) [system] char_type(')', 'white')
   Call: (233) [system] char_type(')', end_of_line)
   Fail: (233) [system] char_type(')', end_of_line)
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] char_type(')', cntrl)
   Fail: (233) [system] char_type(')', cntrl)
^  Fail: (232) [user] is_like_space(')')
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1210150)
   Exit: (231) [system] peek_char((0x55772f068e50), ')')
   Call: (231) [system] ')'=')'
   Exit: (231) [system] ')'=')'
   Call: (231) [system] get_char((0x55772f068e50), _1213940)
   Exit: (231) [system] get_char((0x55772f068e50), ')')
   Call: (231) [system] _1192282=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_list(')', (0x55772f068e50), [])
   Call: (230) [system] _273052=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (230) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (229) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (229) [system] _175714=['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (229) [system] ['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (228) [user] read_list(')', (0x55772f068e50), ['B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (228) [system] _6418=['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (228) [system] ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (227) [user] read_list(')', (0x55772f068e50), ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (226) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (226) [user] read_list(')', (0x55772f068e50), _1227822)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1229680)
   Exit: (228) [system] peek_char((0x55772f068e50), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
   Call: (228) [system] ')'=(/)
   Fail: (228) [system] ')'=(/)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1245690)
   Exit: (227) [system] peek_char((0x55772f068e50), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x55772f068e50), _1249480)
   Exit: (227) [system] get_char((0x55772f068e50), ')')
   Call: (227) [system] _1227822=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x55772f068e50), [])
   Call: (226) [system] _6414=[['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (226) [system] [['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (225) [user] read_list(')', (0x55772f068e50), [['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (225) [system] _6390=[['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (225) [system] [['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (224) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (224) [system] _6382=[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (224) [system] [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (223) [user] read_list(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (222) [user] read_list(')', (0x55772f068e50), _1263362)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1265220)
   Exit: (224) [system] peek_char((0x55772f068e50), '\n')
   Call: (224) [system] '\n'=(;)
   Fail: (224) [system] '\n'=(;)
   Call: (224) [system] '\n'=(/)
   Fail: (224) [system] '\n'=(/)
^  Call: (224) [user] is_like_space('\n')
   Call: (225) [system] char_type('\n', 'white')
   Fail: (225) [system] char_type('\n', 'white')
   Call: (225) [system] char_type('\n', end_of_line)
   Exit: (225) [system] char_type('\n', end_of_line)
^  Exit: (224) [user] is_like_space('\n')
   Call: (224) [system] get_char((0x55772f068e50), _1276670)
   Exit: (224) [system] get_char((0x55772f068e50), '\n')
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1279374)
   Exit: (225) [system] peek_char((0x55772f068e50), '\t')
   Call: (225) [system] '\t'=(;)
   Fail: (225) [system] '\t'=(;)
   Call: (225) [system] '\t'=(/)
   Fail: (225) [system] '\t'=(/)
^  Call: (225) [user] is_like_space('\t')
   Call: (226) [system] char_type('\t', 'white')
   Exit: (226) [system] char_type('\t', 'white')
^  Exit: (225) [user] is_like_space('\t')
   Call: (225) [system] get_char((0x55772f068e50), _1288968)
   Exit: (225) [system] get_char((0x55772f068e50), '\t')
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1291672)
   Exit: (226) [system] peek_char((0x55772f068e50), '\t')
   Call: (226) [system] '\t'=(;)
   Fail: (226) [system] '\t'=(;)
   Call: (226) [system] '\t'=(/)
   Fail: (226) [system] '\t'=(/)
^  Call: (226) [user] is_like_space('\t')
   Call: (227) [system] char_type('\t', 'white')
   Exit: (227) [system] char_type('\t', 'white')
^  Exit: (226) [user] is_like_space('\t')
   Call: (226) [system] get_char((0x55772f068e50), _1301266)
   Exit: (226) [system] get_char((0x55772f068e50), '\t')
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1303970)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x55772f068e50), _1313564)
   Exit: (227) [system] get_char((0x55772f068e50), ' ')
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1316268)
   Exit: (228) [system] peek_char((0x55772f068e50), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
   Call: (228) [system] '('=(/)
   Fail: (228) [system] '('=(/)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1335974)
   Exit: (223) [system] peek_char((0x55772f068e50), '(')
   Call: (223) [system] '('=')'
   Fail: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
   Fail: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x55772f068e50), _1341544)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1343402)
   Exit: (225) [system] peek_char((0x55772f068e50), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] get_char((0x55772f068e50), _1359412)
   Exit: (224) [system] get_char((0x55772f068e50), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x55772f068e50), _1341544)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1364982)
   Exit: (226) [system] peek_char((0x55772f068e50), :)
   Call: (226) [system] (:)=(;)
   Fail: (226) [system] (:)=(;)
   Call: (226) [system] (:)=(/)
   Fail: (226) [system] (:)=(/)
^  Call: (226) [user] is_like_space(:)
   Call: (227) [system] char_type(:, 'white')
   Fail: (227) [system] char_type(:, 'white')
   Call: (227) [system] char_type(:, end_of_line)
   Fail: (227) [system] char_type(:, end_of_line)
   Call: (227) [system] char_type(:, space)
   Fail: (227) [system] char_type(:, space)
   Call: (227) [system] char_type(:, cntrl)
   Fail: (227) [system] char_type(:, cntrl)
^  Fail: (226) [user] is_like_space(:)
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1380992)
   Exit: (225) [system] peek_char((0x55772f068e50), :)
   Call: (225) [system] (:)=')'
   Fail: (225) [system] (:)=')'
   Call: (225) [system] (:)=end_of_file
   Fail: (225) [system] (:)=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x55772f068e50), _1386562)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1388420)
   Exit: (227) [system] peek_char((0x55772f068e50), :)
   Call: (227) [system] (:)=(;)
   Fail: (227) [system] (:)=(;)
   Call: (227) [system] (:)=(/)
   Fail: (227) [system] (:)=(/)
^  Call: (227) [user] is_like_space(:)
   Call: (228) [system] char_type(:, 'white')
   Fail: (228) [system] char_type(:, 'white')
   Call: (228) [system] char_type(:, end_of_line)
   Fail: (228) [system] char_type(:, end_of_line)
   Call: (228) [system] char_type(:, space)
   Fail: (228) [system] char_type(:, space)
   Call: (228) [system] char_type(:, cntrl)
   Fail: (228) [system] char_type(:, cntrl)
^  Fail: (227) [user] is_like_space(:)
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] get_char((0x55772f068e50), _1404430)
   Exit: (226) [system] get_char((0x55772f068e50), :)
   Call: (226) [system] (:)='('
   Fail: (226) [system] (:)='('
   Call: (226) [system] (:)='['
   Fail: (226) [system] (:)='['
   Call: (226) [system] (:)='{'
   Fail: (226) [system] (:)='{'
   Call: (226) [system] (:)='"'
   Fail: (226) [system] (:)='"'
   Call: (226) [system] (:)=!
   Fail: (226) [system] (:)=!
   Call: (226) [system] (:)='\''
   Fail: (226) [system] (:)='\''
   Call: (226) [system] (:)='`'
   Fail: (226) [system] (:)='`'
   Call: (226) [system] (:)=end_of_file
   Fail: (226) [system] (:)=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x55772f068e50), :, _1386562)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1422072)
   Call: (228) [system] peek_char((0x55772f068e50), _1423006)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1422072=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (227) [user] classify_and_convert_charseq([:], _1386562)
^  Call: (228) [user] classify_and_convert_charseq_([:], _1432290)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1433242, _1433244), once(user:catch(read_from_chars([:], _1432290), _1433224, fail)), '$restore_trace'(_1433242, _1433244))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1433242, _1433244))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1433224, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(:)
   Exit: (229) [system] atomic(:)
^  Exit: (228) [user] classify_and_convert_charseq_([:], :)
   Call: (228) [system] integer(:)
   Fail: (228) [system] integer(:)
   Call: (228) [system] _1386562=(:)
   Exit: (228) [system] (:)=(:)
^  Exit: (227) [user] classify_and_convert_charseq([:], :)
^  Exit: (226) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (225) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (225) [user] read_list(')', (0x55772f068e50), _1445370)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1447228)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x55772f068e50), _1456822)
   Exit: (227) [system] get_char((0x55772f068e50), ' ')
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1459526)
   Exit: (228) [system] peek_char((0x55772f068e50), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
   Call: (228) [system] '('=(/)
   Fail: (228) [system] '('=(/)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1476460)
   Exit: (226) [system] peek_char((0x55772f068e50), '(')
   Call: (226) [system] '('=')'
   Fail: (226) [system] '('=')'
   Call: (226) [system] '('=end_of_file
   Fail: (226) [system] '('=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x55772f068e50), _1482030)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1483888)
   Exit: (228) [system] peek_char((0x55772f068e50), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
   Call: (228) [system] '('=(/)
   Fail: (228) [system] '('=(/)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] get_char((0x55772f068e50), _1499898)
   Exit: (227) [system] get_char((0x55772f068e50), '(')
   Call: (227) [system] '('='('
   Exit: (227) [system] '('='('
^  Call: (227) [user] read_list(')', (0x55772f068e50), _1482030)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1505468)
   Exit: (229) [system] peek_char((0x55772f068e50), 'D')
   Call: (229) [system] 'D'=(;)
   Fail: (229) [system] 'D'=(;)
   Call: (229) [system] 'D'=(/)
   Fail: (229) [system] 'D'=(/)
^  Call: (229) [user] is_like_space('D')
   Call: (230) [system] char_type('D', 'white')
   Fail: (230) [system] char_type('D', 'white')
   Call: (230) [system] char_type('D', end_of_line)
   Fail: (230) [system] char_type('D', end_of_line)
   Call: (230) [system] char_type('D', space)
   Fail: (230) [system] char_type('D', space)
   Call: (230) [system] char_type('D', cntrl)
   Fail: (230) [system] char_type('D', cntrl)
^  Fail: (229) [user] is_like_space('D')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1521478)
   Exit: (228) [system] peek_char((0x55772f068e50), 'D')
   Call: (228) [system] 'D'=')'
   Fail: (228) [system] 'D'=')'
   Call: (228) [system] 'D'=end_of_file
   Fail: (228) [system] 'D'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x55772f068e50), _1527048)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1528906)
   Exit: (230) [system] peek_char((0x55772f068e50), 'D')
   Call: (230) [system] 'D'=(;)
   Fail: (230) [system] 'D'=(;)
   Call: (230) [system] 'D'=(/)
   Fail: (230) [system] 'D'=(/)
^  Call: (230) [user] is_like_space('D')
   Call: (231) [system] char_type('D', 'white')
   Fail: (231) [system] char_type('D', 'white')
   Call: (231) [system] char_type('D', end_of_line)
   Fail: (231) [system] char_type('D', end_of_line)
   Call: (231) [system] char_type('D', space)
   Fail: (231) [system] char_type('D', space)
   Call: (231) [system] char_type('D', cntrl)
   Fail: (231) [system] char_type('D', cntrl)
^  Fail: (230) [user] is_like_space('D')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] get_char((0x55772f068e50), _1544916)
   Exit: (229) [system] get_char((0x55772f068e50), 'D')
   Call: (229) [system] 'D'='('
   Fail: (229) [system] 'D'='('
   Call: (229) [system] 'D'='['
   Fail: (229) [system] 'D'='['
   Call: (229) [system] 'D'='{'
   Fail: (229) [system] 'D'='{'
   Call: (229) [system] 'D'='"'
   Fail: (229) [system] 'D'='"'
   Call: (229) [system] 'D'=!
   Fail: (229) [system] 'D'=!
   Call: (229) [system] 'D'='\''
   Fail: (229) [system] 'D'='\''
   Call: (229) [system] 'D'='`'
   Fail: (229) [system] 'D'='`'
   Call: (229) [system] 'D'=end_of_file
   Fail: (229) [system] 'D'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x55772f068e50), 'D', _1527048)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1562558)
   Call: (231) [system] peek_char((0x55772f068e50), _1563492)
   Exit: (231) [system] peek_char((0x55772f068e50), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1568212, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_1569144, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x55772f068e50), i)
   Exit: (231) [system] get_char((0x55772f068e50), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1576494)
   Call: (232) [system] peek_char((0x55772f068e50), _1577428)
   Exit: (232) [system] peek_char((0x55772f068e50), s)
^  Call: (232) [user] is_delimiter(s)
   Call: (233) [system] char_type(s, space)
   Fail: (233) [system] char_type(s, space)
   Call: (233) [system] arg(_1582148, v('(', ')', end_of_file), s)
   Fail: (233) [system] arg(_1583080, v('(', ')', end_of_file), s)
^  Fail: (232) [user] is_delimiter(s)
   Call: (232) [system] ')'==s
   Fail: (232) [system] ')'==s
   Call: (232) [system] get_char((0x55772f068e50), s)
   Exit: (232) [system] get_char((0x55772f068e50), s)
   Call: (232) [system] s=(\)
   Fail: (232) [system] s=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1590430)
   Call: (233) [system] peek_char((0x55772f068e50), _1591364)
   Exit: (233) [system] peek_char((0x55772f068e50), j)
^  Call: (233) [user] is_delimiter(j)
   Call: (234) [system] char_type(j, space)
   Fail: (234) [system] char_type(j, space)
   Call: (234) [system] arg(_1596084, v('(', ')', end_of_file), j)
   Fail: (234) [system] arg(_1597016, v('(', ')', end_of_file), j)
^  Fail: (233) [user] is_delimiter(j)
   Call: (233) [system] ')'==j
   Fail: (233) [system] ')'==j
   Call: (233) [system] get_char((0x55772f068e50), j)
   Exit: (233) [system] get_char((0x55772f068e50), j)
   Call: (233) [system] j=(\)
   Fail: (233) [system] j=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1604366)
   Call: (234) [system] peek_char((0x55772f068e50), _1605300)
   Exit: (234) [system] peek_char((0x55772f068e50), u)
^  Call: (234) [user] is_delimiter(u)
   Call: (235) [system] char_type(u, space)
   Fail: (235) [system] char_type(u, space)
   Call: (235) [system] arg(_1610020, v('(', ')', end_of_file), u)
   Fail: (235) [system] arg(_1610952, v('(', ')', end_of_file), u)
^  Fail: (234) [user] is_delimiter(u)
   Call: (234) [system] ')'==u
   Fail: (234) [system] ')'==u
   Call: (234) [system] get_char((0x55772f068e50), u)
   Exit: (234) [system] get_char((0x55772f068e50), u)
   Call: (234) [system] u=(\)
   Fail: (234) [system] u=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1618302)
   Call: (235) [system] peek_char((0x55772f068e50), _1619236)
   Exit: (235) [system] peek_char((0x55772f068e50), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_1623956, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_1624888, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x55772f068e50), n)
   Exit: (235) [system] get_char((0x55772f068e50), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1632238)
   Call: (236) [system] peek_char((0x55772f068e50), _1633172)
   Exit: (236) [system] peek_char((0x55772f068e50), c)
^  Call: (236) [user] is_delimiter(c)
   Call: (237) [system] char_type(c, space)
   Fail: (237) [system] char_type(c, space)
   Call: (237) [system] arg(_1637892, v('(', ')', end_of_file), c)
   Fail: (237) [system] arg(_1638824, v('(', ')', end_of_file), c)
^  Fail: (236) [user] is_delimiter(c)
   Call: (236) [system] ')'==c
   Fail: (236) [system] ')'==c
   Call: (236) [system] get_char((0x55772f068e50), c)
   Exit: (236) [system] get_char((0x55772f068e50), c)
   Call: (236) [system] c=(\)
   Fail: (236) [system] c=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1646174)
   Call: (237) [system] peek_char((0x55772f068e50), _1647108)
   Exit: (237) [system] peek_char((0x55772f068e50), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Fail: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_1651828, v('(', ')', end_of_file), t)
   Fail: (238) [system] arg(_1652760, v('(', ')', end_of_file), t)
^  Fail: (237) [user] is_delimiter(t)
   Call: (237) [system] ')'==t
   Fail: (237) [system] ')'==t
   Call: (237) [system] get_char((0x55772f068e50), t)
   Exit: (237) [system] get_char((0x55772f068e50), t)
   Call: (237) [system] t=(\)
   Fail: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _1660110)
   Call: (238) [system] peek_char((0x55772f068e50), _1661044)
   Exit: (238) [system] peek_char((0x55772f068e50), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Fail: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_1665764, v('(', ')', end_of_file), i)
   Fail: (239) [system] arg(_1666696, v('(', ')', end_of_file), i)
^  Fail: (238) [user] is_delimiter(i)
   Call: (238) [system] ')'==i
   Fail: (238) [system] ')'==i
   Call: (238) [system] get_char((0x55772f068e50), i)
   Exit: (238) [system] get_char((0x55772f068e50), i)
   Call: (238) [system] i=(\)
   Fail: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _1674046)
   Call: (239) [system] peek_char((0x55772f068e50), _1674980)
   Exit: (239) [system] peek_char((0x55772f068e50), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Fail: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_1679700, v('(', ')', end_of_file), o)
   Fail: (240) [system] arg(_1680632, v('(', ')', end_of_file), o)
^  Fail: (239) [user] is_delimiter(o)
   Call: (239) [system] ')'==o
   Fail: (239) [system] ')'==o
   Call: (239) [system] get_char((0x55772f068e50), o)
   Exit: (239) [system] get_char((0x55772f068e50), o)
   Call: (239) [system] o=(\)
   Fail: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _1687982)
   Call: (240) [system] peek_char((0x55772f068e50), _1688916)
   Exit: (240) [system] peek_char((0x55772f068e50), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Fail: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_1693636, v('(', ')', end_of_file), n)
   Fail: (241) [system] arg(_1694568, v('(', ')', end_of_file), n)
^  Fail: (240) [user] is_delimiter(n)
   Call: (240) [system] ')'==n
   Fail: (240) [system] ')'==n
   Call: (240) [system] get_char((0x55772f068e50), n)
   Exit: (240) [system] get_char((0x55772f068e50), n)
   Call: (240) [system] n=(\)
   Fail: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _1701918)
   Call: (241) [system] peek_char((0x55772f068e50), _1702852)
   Exit: (241) [system] peek_char((0x55772f068e50), 'I')
^  Call: (241) [user] is_delimiter('I')
   Call: (242) [system] char_type('I', space)
   Fail: (242) [system] char_type('I', space)
   Call: (242) [system] arg(_1707572, v('(', ')', end_of_file), 'I')
   Fail: (242) [system] arg(_1708504, v('(', ')', end_of_file), 'I')
^  Fail: (241) [user] is_delimiter('I')
   Call: (241) [system] ')'=='I'
   Fail: (241) [system] ')'=='I'
   Call: (241) [system] get_char((0x55772f068e50), 'I')
   Exit: (241) [system] get_char((0x55772f068e50), 'I')
   Call: (241) [system] 'I'=(\)
   Fail: (241) [system] 'I'=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x55772f068e50), _1715854)
   Call: (242) [system] peek_char((0x55772f068e50), _1716788)
   Exit: (242) [system] peek_char((0x55772f068e50), n)
^  Call: (242) [user] is_delimiter(n)
   Call: (243) [system] char_type(n, space)
   Fail: (243) [system] char_type(n, space)
   Call: (243) [system] arg(_1721508, v('(', ')', end_of_file), n)
   Fail: (243) [system] arg(_1722440, v('(', ')', end_of_file), n)
^  Fail: (242) [user] is_delimiter(n)
   Call: (242) [system] ')'==n
   Fail: (242) [system] ')'==n
   Call: (242) [system] get_char((0x55772f068e50), n)
   Exit: (242) [system] get_char((0x55772f068e50), n)
   Call: (242) [system] n=(\)
   Fail: (242) [system] n=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x55772f068e50), _1729790)
   Call: (243) [system] peek_char((0x55772f068e50), _1730724)
   Exit: (243) [system] peek_char((0x55772f068e50), t)
^  Call: (243) [user] is_delimiter(t)
   Call: (244) [system] char_type(t, space)
   Fail: (244) [system] char_type(t, space)
   Call: (244) [system] arg(_1735444, v('(', ')', end_of_file), t)
   Fail: (244) [system] arg(_1736376, v('(', ')', end_of_file), t)
^  Fail: (243) [user] is_delimiter(t)
   Call: (243) [system] ')'==t
   Fail: (243) [system] ')'==t
   Call: (243) [system] get_char((0x55772f068e50), t)
   Exit: (243) [system] get_char((0x55772f068e50), t)
   Call: (243) [system] t=(\)
   Fail: (243) [system] t=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x55772f068e50), _1743726)
   Call: (244) [system] peek_char((0x55772f068e50), _1744660)
   Exit: (244) [system] peek_char((0x55772f068e50), r)
^  Call: (244) [user] is_delimiter(r)
   Call: (245) [system] char_type(r, space)
   Fail: (245) [system] char_type(r, space)
   Call: (245) [system] arg(_1749380, v('(', ')', end_of_file), r)
   Fail: (245) [system] arg(_1750312, v('(', ')', end_of_file), r)
^  Fail: (244) [user] is_delimiter(r)
   Call: (244) [system] ')'==r
   Fail: (244) [system] ')'==r
   Call: (244) [system] get_char((0x55772f068e50), r)
   Exit: (244) [system] get_char((0x55772f068e50), r)
   Call: (244) [system] r=(\)
   Fail: (244) [system] r=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x55772f068e50), _1757662)
   Call: (245) [system] peek_char((0x55772f068e50), _1758596)
   Exit: (245) [system] peek_char((0x55772f068e50), o)
^  Call: (245) [user] is_delimiter(o)
   Call: (246) [system] char_type(o, space)
   Fail: (246) [system] char_type(o, space)
   Call: (246) [system] arg(_1763316, v('(', ')', end_of_file), o)
   Fail: (246) [system] arg(_1764248, v('(', ')', end_of_file), o)
^  Fail: (245) [user] is_delimiter(o)
   Call: (245) [system] ')'==o
   Fail: (245) [system] ')'==o
   Call: (245) [system] get_char((0x55772f068e50), o)
   Exit: (245) [system] get_char((0x55772f068e50), o)
   Call: (245) [system] o=(\)
   Fail: (245) [system] o=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x55772f068e50), _1771598)
   Call: (246) [system] peek_char((0x55772f068e50), _1772532)
   Exit: (246) [system] peek_char((0x55772f068e50), d)
^  Call: (246) [user] is_delimiter(d)
   Call: (247) [system] char_type(d, space)
   Fail: (247) [system] char_type(d, space)
   Call: (247) [system] arg(_1777252, v('(', ')', end_of_file), d)
   Fail: (247) [system] arg(_1778184, v('(', ')', end_of_file), d)
^  Fail: (246) [user] is_delimiter(d)
   Call: (246) [system] ')'==d
   Fail: (246) [system] ')'==d
   Call: (246) [system] get_char((0x55772f068e50), d)
   Exit: (246) [system] get_char((0x55772f068e50), d)
   Call: (246) [system] d=(\)
   Fail: (246) [system] d=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x55772f068e50), _1785534)
   Call: (247) [system] peek_char((0x55772f068e50), _1786468)
   Exit: (247) [system] peek_char((0x55772f068e50), u)
^  Call: (247) [user] is_delimiter(u)
   Call: (248) [system] char_type(u, space)
   Fail: (248) [system] char_type(u, space)
   Call: (248) [system] arg(_1791188, v('(', ')', end_of_file), u)
   Fail: (248) [system] arg(_1792120, v('(', ')', end_of_file), u)
^  Fail: (247) [user] is_delimiter(u)
   Call: (247) [system] ')'==u
   Fail: (247) [system] ')'==u
   Call: (247) [system] get_char((0x55772f068e50), u)
   Exit: (247) [system] get_char((0x55772f068e50), u)
   Call: (247) [system] u=(\)
   Fail: (247) [system] u=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x55772f068e50), _1799470)
   Call: (248) [system] peek_char((0x55772f068e50), _1800404)
   Exit: (248) [system] peek_char((0x55772f068e50), c)
^  Call: (248) [user] is_delimiter(c)
   Call: (249) [system] char_type(c, space)
   Fail: (249) [system] char_type(c, space)
   Call: (249) [system] arg(_1805124, v('(', ')', end_of_file), c)
   Fail: (249) [system] arg(_1806056, v('(', ')', end_of_file), c)
^  Fail: (248) [user] is_delimiter(c)
   Call: (248) [system] ')'==c
   Fail: (248) [system] ')'==c
   Call: (248) [system] get_char((0x55772f068e50), c)
   Exit: (248) [system] get_char((0x55772f068e50), c)
   Call: (248) [system] c=(\)
   Fail: (248) [system] c=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x55772f068e50), _1813406)
   Call: (249) [system] peek_char((0x55772f068e50), _1814340)
   Exit: (249) [system] peek_char((0x55772f068e50), t)
^  Call: (249) [user] is_delimiter(t)
   Call: (250) [system] char_type(t, space)
   Fail: (250) [system] char_type(t, space)
   Call: (250) [system] arg(_1819060, v('(', ')', end_of_file), t)
   Fail: (250) [system] arg(_1819992, v('(', ')', end_of_file), t)
^  Fail: (249) [user] is_delimiter(t)
   Call: (249) [system] ')'==t
   Fail: (249) [system] ')'==t
   Call: (249) [system] get_char((0x55772f068e50), t)
   Exit: (249) [system] get_char((0x55772f068e50), t)
   Call: (249) [system] t=(\)
   Fail: (249) [system] t=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x55772f068e50), _1827342)
   Call: (250) [system] peek_char((0x55772f068e50), _1828276)
   Exit: (250) [system] peek_char((0x55772f068e50), i)
^  Call: (250) [user] is_delimiter(i)
   Call: (251) [system] char_type(i, space)
   Fail: (251) [system] char_type(i, space)
   Call: (251) [system] arg(_1832996, v('(', ')', end_of_file), i)
   Fail: (251) [system] arg(_1833928, v('(', ')', end_of_file), i)
^  Fail: (250) [user] is_delimiter(i)
   Call: (250) [system] ')'==i
   Fail: (250) [system] ')'==i
   Call: (250) [system] get_char((0x55772f068e50), i)
   Exit: (250) [system] get_char((0x55772f068e50), i)
   Call: (250) [system] i=(\)
   Fail: (250) [system] i=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x55772f068e50), _1841278)
   Call: (251) [system] peek_char((0x55772f068e50), _1842212)
   Exit: (251) [system] peek_char((0x55772f068e50), o)
^  Call: (251) [user] is_delimiter(o)
   Call: (252) [system] char_type(o, space)
   Fail: (252) [system] char_type(o, space)
   Call: (252) [system] arg(_1846932, v('(', ')', end_of_file), o)
   Fail: (252) [system] arg(_1847864, v('(', ')', end_of_file), o)
^  Fail: (251) [user] is_delimiter(o)
   Call: (251) [system] ')'==o
   Fail: (251) [system] ')'==o
   Call: (251) [system] get_char((0x55772f068e50), o)
   Exit: (251) [system] get_char((0x55772f068e50), o)
   Call: (251) [system] o=(\)
   Fail: (251) [system] o=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x55772f068e50), _1855214)
   Call: (252) [system] peek_char((0x55772f068e50), _1856148)
   Exit: (252) [system] peek_char((0x55772f068e50), n)
^  Call: (252) [user] is_delimiter(n)
   Call: (253) [system] char_type(n, space)
   Fail: (253) [system] char_type(n, space)
   Call: (253) [system] arg(_1860868, v('(', ')', end_of_file), n)
   Fail: (253) [system] arg(_1861800, v('(', ')', end_of_file), n)
^  Fail: (252) [user] is_delimiter(n)
   Call: (252) [system] ')'==n
   Fail: (252) [system] ')'==n
   Call: (252) [system] get_char((0x55772f068e50), n)
   Exit: (252) [system] get_char((0x55772f068e50), n)
   Call: (252) [system] n=(\)
   Fail: (252) [system] n=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x55772f068e50), _1869150)
   Call: (253) [system] peek_char((0x55772f068e50), _1870084)
   Exit: (253) [system] peek_char((0x55772f068e50), ' ')
^  Call: (253) [user] is_delimiter(' ')
   Call: (254) [system] char_type(' ', space)
   Exit: (254) [system] char_type(' ', space)
^  Exit: (253) [user] is_delimiter(' ')
   Call: (253) [system] _1869150=[]
   Exit: (253) [system] []=[]
^  Exit: (252) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (252) [system] _1855214=[n]
   Exit: (252) [system] [n]=[n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (251) [system] _1841278=[o, n]
   Exit: (251) [system] [o, n]=[o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (250) [system] _1827342=[i, o, n]
   Exit: (250) [system] [i, o, n]=[i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (249) [system] _1813406=[t, i, o, n]
   Exit: (249) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (248) [system] _1799470=[c, t, i, o, n]
   Exit: (248) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (247) [system] _1785534=[u, c, t, i, o, n]
   Exit: (247) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (246) [system] _1771598=[d, u, c, t, i, o, n]
   Exit: (246) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (245) [system] _1757662=[o, d, u, c, t, i, o, n]
   Exit: (245) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (244) [system] _1743726=[r, o, d, u, c, t, i, o, n]
   Exit: (244) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (243) [system] _1729790=[t, r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _1715854=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _1701918=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _1687982=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _1674046=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _1660110=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _1646174=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1632238=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1618302=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1604366=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1590430=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1576494=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1562558=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (230) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1527048)
^  Call: (231) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1940836)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1941788, _1941790), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1940836), _1941770, fail)), '$restore_trace'(_1941788, _1941790))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1941788, _1941790))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1940836), _1941770, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_1940836)
   Fail: (232) [system] atomic(_1940836)
   Call: (232) [system] atom_chars(_1940836, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (232) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (231) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (231) [system] integer('DisjunctionIntroduction')
   Fail: (231) [system] integer('DisjunctionIntroduction')
   Call: (231) [system] _1527048='DisjunctionIntroduction'
   Exit: (231) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (230) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (229) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (228) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (228) [user] read_list(')', (0x55772f068e50), _1955786)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1957644)
   Exit: (230) [system] peek_char((0x55772f068e50), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
   Call: (230) [system] ' '=(/)
   Fail: (230) [system] ' '=(/)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x55772f068e50), _1967238)
   Exit: (230) [system] get_char((0x55772f068e50), ' ')
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1969942)
   Exit: (231) [system] peek_char((0x55772f068e50), a)
   Call: (231) [system] a=(;)
   Fail: (231) [system] a=(;)
   Call: (231) [system] a=(/)
   Fail: (231) [system] a=(/)
^  Call: (231) [user] is_like_space(a)
   Call: (232) [system] char_type(a, 'white')
   Fail: (232) [system] char_type(a, 'white')
   Call: (232) [system] char_type(a, end_of_line)
   Fail: (232) [system] char_type(a, end_of_line)
   Call: (232) [system] char_type(a, space)
   Fail: (232) [system] char_type(a, space)
   Call: (232) [system] char_type(a, cntrl)
   Fail: (232) [system] char_type(a, cntrl)
^  Fail: (231) [user] is_like_space(a)
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1986876)
   Exit: (229) [system] peek_char((0x55772f068e50), a)
   Call: (229) [system] a=')'
   Fail: (229) [system] a=')'
   Call: (229) [system] a=end_of_file
   Fail: (229) [system] a=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x55772f068e50), _1992446)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1994304)
   Exit: (231) [system] peek_char((0x55772f068e50), a)
   Call: (231) [system] a=(;)
   Fail: (231) [system] a=(;)
   Call: (231) [system] a=(/)
   Fail: (231) [system] a=(/)
^  Call: (231) [user] is_like_space(a)
   Call: (232) [system] char_type(a, 'white')
   Fail: (232) [system] char_type(a, 'white')
   Call: (232) [system] char_type(a, end_of_line)
   Fail: (232) [system] char_type(a, end_of_line)
   Call: (232) [system] char_type(a, space)
   Fail: (232) [system] char_type(a, space)
   Call: (232) [system] char_type(a, cntrl)
   Fail: (232) [system] char_type(a, cntrl)
^  Fail: (231) [user] is_like_space(a)
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] get_char((0x55772f068e50), _2010314)
   Exit: (230) [system] get_char((0x55772f068e50), a)
   Call: (230) [system] a='('
   Fail: (230) [system] a='('
   Call: (230) [system] a='['
   Fail: (230) [system] a='['
   Call: (230) [system] a='{'
   Fail: (230) [system] a='{'
   Call: (230) [system] a='"'
   Fail: (230) [system] a='"'
   Call: (230) [system] a=!
   Fail: (230) [system] a=!
   Call: (230) [system] a='\''
   Fail: (230) [system] a='\''
   Call: (230) [system] a='`'
   Fail: (230) [system] a='`'
   Call: (230) [system] a=end_of_file
   Fail: (230) [system] a=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x55772f068e50), a, _1992446)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _2027956)
   Call: (232) [system] peek_char((0x55772f068e50), _2028890)
   Exit: (232) [system] peek_char((0x55772f068e50), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _2027956=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (231) [user] classify_and_convert_charseq([a], _1992446)
^  Call: (232) [user] classify_and_convert_charseq_([a], _2038174)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_2039126, _2039128), once(user:catch(read_from_chars([a], _2038174), _2039108, fail)), '$restore_trace'(_2039126, _2039128))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_2039126, _2039128))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _2039108, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(a)
   Exit: (233) [system] atomic(a)
^  Exit: (232) [user] classify_and_convert_charseq_([a], a)
   Call: (232) [system] integer(a)
   Fail: (232) [system] integer(a)
   Call: (232) [system] _1992446=a
   Exit: (232) [system] a=a
^  Exit: (231) [user] classify_and_convert_charseq([a], a)
^  Exit: (230) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (229) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (229) [user] read_list(')', (0x55772f068e50), _2051254)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _2053112)
   Exit: (231) [system] peek_char((0x55772f068e50), ' ')
   Call: (231) [system] ' '=(;)
   Fail: (231) [system] ' '=(;)
   Call: (231) [system] ' '=(/)
   Fail: (231) [system] ' '=(/)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x55772f068e50), _2062706)
   Exit: (231) [system] get_char((0x55772f068e50), ' ')
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _2065410)
   Exit: (232) [system] peek_char((0x55772f068e50), c)
   Call: (232) [system] c=(;)
   Fail: (232) [system] c=(;)
   Call: (232) [system] c=(/)
   Fail: (232) [system] c=(/)
^  Call: (232) [user] is_like_space(c)
   Call: (233) [system] char_type(c, 'white')
   Fail: (233) [system] char_type(c, 'white')
   Call: (233) [system] char_type(c, end_of_line)
   Fail: (233) [system] char_type(c, end_of_line)
   Call: (233) [system] char_type(c, space)
   Fail: (233) [system] char_type(c, space)
   Call: (233) [system] char_type(c, cntrl)
   Fail: (233) [system] char_type(c, cntrl)
^  Fail: (232) [user] is_like_space(c)
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _2082344)
   Exit: (230) [system] peek_char((0x55772f068e50), c)
   Call: (230) [system] c=')'
   Fail: (230) [system] c=')'
   Call: (230) [system] c=end_of_file
   Fail: (230) [system] c=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x55772f068e50), _2087914)
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _2089772)
   Exit: (232) [system] peek_char((0x55772f068e50), c)
   Call: (232) [system] c=(;)
   Fail: (232) [system] c=(;)
   Call: (232) [system] c=(/)
   Fail: (232) [system] c=(/)
^  Call: (232) [user] is_like_space(c)
   Call: (233) [system] char_type(c, 'white')
   Fail: (233) [system] char_type(c, 'white')
   Call: (233) [system] char_type(c, end_of_line)
   Fail: (233) [system] char_type(c, end_of_line)
   Call: (233) [system] char_type(c, space)
   Fail: (233) [system] char_type(c, space)
   Call: (233) [system] char_type(c, cntrl)
   Fail: (233) [system] char_type(c, cntrl)
^  Fail: (232) [user] is_like_space(c)
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] get_char((0x55772f068e50), _15492)
   Exit: (231) [system] get_char((0x55772f068e50), c)
   Call: (231) [system] c='('
   Fail: (231) [system] c='('
   Call: (231) [system] c='['
   Fail: (231) [system] c='['
   Call: (231) [system] c='{'
   Fail: (231) [system] c='{'
   Call: (231) [system] c='"'
   Fail: (231) [system] c='"'
   Call: (231) [system] c=!
   Fail: (231) [system] c=!
   Call: (231) [system] c='\''
   Fail: (231) [system] c='\''
   Call: (231) [system] c='`'
   Fail: (231) [system] c='`'
   Call: (231) [system] c=end_of_file
   Fail: (231) [system] c=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x55772f068e50), c, _6508)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _33134)
   Call: (233) [system] peek_char((0x55772f068e50), _34068)
   Exit: (233) [system] peek_char((0x55772f068e50), d)
^  Call: (233) [user] is_delimiter(d)
   Call: (234) [system] char_type(d, space)
   Fail: (234) [system] char_type(d, space)
   Call: (234) [system] arg(_38788, v('(', ')', end_of_file), d)
   Fail: (234) [system] arg(_39720, v('(', ')', end_of_file), d)
^  Fail: (233) [user] is_delimiter(d)
   Call: (233) [system] ')'==d
   Fail: (233) [system] ')'==d
   Call: (233) [system] get_char((0x55772f068e50), d)
   Exit: (233) [system] get_char((0x55772f068e50), d)
   Call: (233) [system] d=(\)
   Fail: (233) [system] d=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _47070)
   Call: (234) [system] peek_char((0x55772f068e50), _48004)
   Exit: (234) [system] peek_char((0x55772f068e50), e)
^  Call: (234) [user] is_delimiter(e)
   Call: (235) [system] char_type(e, space)
   Fail: (235) [system] char_type(e, space)
   Call: (235) [system] arg(_52724, v('(', ')', end_of_file), e)
   Fail: (235) [system] arg(_53656, v('(', ')', end_of_file), e)
^  Fail: (234) [user] is_delimiter(e)
   Call: (234) [system] ')'==e
   Fail: (234) [system] ')'==e
   Call: (234) [system] get_char((0x55772f068e50), e)
   Exit: (234) [system] get_char((0x55772f068e50), e)
   Call: (234) [system] e=(\)
   Fail: (234) [system] e=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _61006)
   Call: (235) [system] peek_char((0x55772f068e50), _61940)
   Exit: (235) [system] peek_char((0x55772f068e50), ')')
^  Call: (235) [user] is_delimiter(')')
   Call: (236) [system] char_type(')', space)
   Fail: (236) [system] char_type(')', space)
   Call: (236) [system] arg(_66660, v('(', ')', end_of_file), ')')
   Exit: (236) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (235) [user] is_delimiter(')')
   Call: (235) [system] _61006=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (234) [system] _47070=[e]
   Exit: (234) [system] [e]=[e]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (233) [system] _33134=[d, e]
   Exit: (233) [system] [d, e]=[d, e]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [d, e])
^  Call: (232) [user] classify_and_convert_charseq([c, d, e], _6508)
^  Call: (233) [user] classify_and_convert_charseq_([c, d, e], _78684)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_79636, _79638), once(user:catch(read_from_chars([c, d, e], _78684), _79618, fail)), '$restore_trace'(_79636, _79638))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_79636, _79638))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _79618, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(cde)
   Exit: (234) [system] atomic(cde)
^  Exit: (233) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (233) [system] integer(cde)
   Fail: (233) [system] integer(cde)
   Call: (233) [system] _6508=cde
   Exit: (233) [system] cde=cde
^  Exit: (232) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (231) [user] read_symbolic(')', (0x55772f068e50), c, cde)
^  Exit: (230) [user] cont_sexpr(')', (0x55772f068e50), cde)
^  Call: (230) [user] read_list(')', (0x55772f068e50), _91764)
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _93622)
   Exit: (232) [system] peek_char((0x55772f068e50), ')')
   Call: (232) [system] ')'=(;)
   Fail: (232) [system] ')'=(;)
   Call: (232) [system] ')'=(/)
   Fail: (232) [system] ')'=(/)
^  Call: (232) [user] is_like_space(')')
   Call: (233) [system] char_type(')', 'white')
   Fail: (233) [system] char_type(')', 'white')
   Call: (233) [system] char_type(')', end_of_line)
   Fail: (233) [system] char_type(')', end_of_line)
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] char_type(')', cntrl)
   Fail: (233) [system] char_type(')', cntrl)
^  Fail: (232) [user] is_like_space(')')
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _109632)
   Exit: (231) [system] peek_char((0x55772f068e50), ')')
   Call: (231) [system] ')'=')'
   Exit: (231) [system] ')'=')'
   Call: (231) [system] get_char((0x55772f068e50), _113422)
   Exit: (231) [system] get_char((0x55772f068e50), ')')
   Call: (231) [system] _91764=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_list(')', (0x55772f068e50), [])
   Call: (230) [system] _6504=[cde]
   Exit: (230) [system] [cde]=[cde]
^  Exit: (229) [user] read_list(')', (0x55772f068e50), [cde])
   Call: (229) [system] _6498=[a, cde]
   Exit: (229) [system] [a, cde]=[a, cde]
^  Exit: (228) [user] read_list(')', (0x55772f068e50), [a, cde])
   Call: (228) [system] _6490=['DisjunctionIntroduction', a, cde]
   Exit: (228) [system] ['DisjunctionIntroduction', a, cde]=['DisjunctionIntroduction', a, cde]
^  Exit: (227) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', a, cde])
^  Exit: (226) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', a, cde])
^  Call: (226) [user] read_list(')', (0x55772f068e50), _127304)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _129162)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x55772f068e50), _138756)
   Exit: (228) [system] get_char((0x55772f068e50), ' ')
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _141460)
   Exit: (229) [system] peek_char((0x55772f068e50), '(')
   Call: (229) [system] '('=(;)
   Fail: (229) [system] '('=(;)
   Call: (229) [system] '('=(/)
   Fail: (229) [system] '('=(/)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Fail: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Fail: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Fail: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
   Fail: (230) [system] char_type('(', cntrl)
^  Fail: (229) [user] is_like_space('(')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _158394)
   Exit: (227) [system] peek_char((0x55772f068e50), '(')
   Call: (227) [system] '('=')'
   Fail: (227) [system] '('=')'
   Call: (227) [system] '('=end_of_file
   Fail: (227) [system] '('=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x55772f068e50), _163964)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _165822)
   Exit: (229) [system] peek_char((0x55772f068e50), '(')
   Call: (229) [system] '('=(;)
   Fail: (229) [system] '('=(;)
   Call: (229) [system] '('=(/)
   Fail: (229) [system] '('=(/)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Fail: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Fail: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Fail: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
   Fail: (230) [system] char_type('(', cntrl)
^  Fail: (229) [user] is_like_space('(')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] get_char((0x55772f068e50), _181832)
   Exit: (228) [system] get_char((0x55772f068e50), '(')
   Call: (228) [system] '('='('
   Exit: (228) [system] '('='('
^  Call: (228) [user] read_list(')', (0x55772f068e50), _163964)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _187402)
   Exit: (230) [system] peek_char((0x55772f068e50), 'O')
   Call: (230) [system] 'O'=(;)
   Fail: (230) [system] 'O'=(;)
   Call: (230) [system] 'O'=(/)
   Fail: (230) [system] 'O'=(/)
^  Call: (230) [user] is_like_space('O')
   Call: (231) [system] char_type('O', 'white')
   Fail: (231) [system] char_type('O', 'white')
   Call: (231) [system] char_type('O', end_of_line)
   Fail: (231) [system] char_type('O', end_of_line)
   Call: (231) [system] char_type('O', space)
   Fail: (231) [system] char_type('O', space)
   Call: (231) [system] char_type('O', cntrl)
   Fail: (231) [system] char_type('O', cntrl)
^  Fail: (230) [user] is_like_space('O')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _203412)
   Exit: (229) [system] peek_char((0x55772f068e50), 'O')
   Call: (229) [system] 'O'=')'
   Fail: (229) [system] 'O'=')'
   Call: (229) [system] 'O'=end_of_file
   Fail: (229) [system] 'O'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x55772f068e50), _208982)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _210840)
   Exit: (231) [system] peek_char((0x55772f068e50), 'O')
   Call: (231) [system] 'O'=(;)
   Fail: (231) [system] 'O'=(;)
   Call: (231) [system] 'O'=(/)
   Fail: (231) [system] 'O'=(/)
^  Call: (231) [user] is_like_space('O')
   Call: (232) [system] char_type('O', 'white')
   Fail: (232) [system] char_type('O', 'white')
   Call: (232) [system] char_type('O', end_of_line)
   Fail: (232) [system] char_type('O', end_of_line)
   Call: (232) [system] char_type('O', space)
   Fail: (232) [system] char_type('O', space)
   Call: (232) [system] char_type('O', cntrl)
   Fail: (232) [system] char_type('O', cntrl)
^  Fail: (231) [user] is_like_space('O')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] get_char((0x55772f068e50), _226850)
   Exit: (230) [system] get_char((0x55772f068e50), 'O')
   Call: (230) [system] 'O'='('
   Fail: (230) [system] 'O'='('
   Call: (230) [system] 'O'='['
   Fail: (230) [system] 'O'='['
   Call: (230) [system] 'O'='{'
   Fail: (230) [system] 'O'='{'
   Call: (230) [system] 'O'='"'
   Fail: (230) [system] 'O'='"'
   Call: (230) [system] 'O'=!
   Fail: (230) [system] 'O'=!
   Call: (230) [system] 'O'='\''
   Fail: (230) [system] 'O'='\''
   Call: (230) [system] 'O'='`'
   Fail: (230) [system] 'O'='`'
   Call: (230) [system] 'O'=end_of_file
   Fail: (230) [system] 'O'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x55772f068e50), 'O', _208982)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _244492)
   Call: (232) [system] peek_char((0x55772f068e50), _245426)
   Exit: (232) [system] peek_char((0x55772f068e50), r)
^  Call: (232) [user] is_delimiter(r)
   Call: (233) [system] char_type(r, space)
   Fail: (233) [system] char_type(r, space)
   Call: (233) [system] arg(_250146, v('(', ')', end_of_file), r)
   Fail: (233) [system] arg(_251078, v('(', ')', end_of_file), r)
^  Fail: (232) [user] is_delimiter(r)
   Call: (232) [system] ')'==r
   Fail: (232) [system] ')'==r
   Call: (232) [system] get_char((0x55772f068e50), r)
   Exit: (232) [system] get_char((0x55772f068e50), r)
   Call: (232) [system] r=(\)
   Fail: (232) [system] r=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _258428)
   Call: (233) [system] peek_char((0x55772f068e50), _259362)
   Exit: (233) [system] peek_char((0x55772f068e50), 'L')
^  Call: (233) [user] is_delimiter('L')
   Call: (234) [system] char_type('L', space)
   Fail: (234) [system] char_type('L', space)
   Call: (234) [system] arg(_264082, v('(', ')', end_of_file), 'L')
   Fail: (234) [system] arg(_265014, v('(', ')', end_of_file), 'L')
^  Fail: (233) [user] is_delimiter('L')
   Call: (233) [system] ')'=='L'
   Fail: (233) [system] ')'=='L'
   Call: (233) [system] get_char((0x55772f068e50), 'L')
   Exit: (233) [system] get_char((0x55772f068e50), 'L')
   Call: (233) [system] 'L'=(\)
   Fail: (233) [system] 'L'=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _272364)
   Call: (234) [system] peek_char((0x55772f068e50), _273298)
   Exit: (234) [system] peek_char((0x55772f068e50), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_278018, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_278950, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x55772f068e50), i)
   Exit: (234) [system] get_char((0x55772f068e50), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _286300)
   Call: (235) [system] peek_char((0x55772f068e50), _287234)
   Exit: (235) [system] peek_char((0x55772f068e50), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_291954, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_292886, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x55772f068e50), n)
   Exit: (235) [system] get_char((0x55772f068e50), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _300236)
   Call: (236) [system] peek_char((0x55772f068e50), _301170)
   Exit: (236) [system] peek_char((0x55772f068e50), k)
^  Call: (236) [user] is_delimiter(k)
   Call: (237) [system] char_type(k, space)
   Fail: (237) [system] char_type(k, space)
   Call: (237) [system] arg(_305890, v('(', ')', end_of_file), k)
   Fail: (237) [system] arg(_306822, v('(', ')', end_of_file), k)
^  Fail: (236) [user] is_delimiter(k)
   Call: (236) [system] ')'==k
   Fail: (236) [system] ')'==k
   Call: (236) [system] get_char((0x55772f068e50), k)
   Exit: (236) [system] get_char((0x55772f068e50), k)
   Call: (236) [system] k=(\)
   Fail: (236) [system] k=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _314172)
   Call: (237) [system] peek_char((0x55772f068e50), _315106)
   Exit: (237) [system] peek_char((0x55772f068e50), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _314172=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (236) [system] _300236=[k]
   Exit: (236) [system] [k]=[k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (235) [system] _286300=[n, k]
   Exit: (235) [system] [n, k]=[n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (234) [system] _272364=[i, n, k]
   Exit: (234) [system] [i, n, k]=[i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (233) [system] _258428=['L', i, n, k]
   Exit: (233) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (232) [system] _244492=[r, 'L', i, n, k]
   Exit: (232) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (231) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _208982)
^  Call: (232) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _338360)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_339312, _339314), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _338360), _339294, fail)), '$restore_trace'(_339312, _339314))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_339312, _339314))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _338360), _339294, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_338360)
   Fail: (233) [system] atomic(_338360)
   Call: (233) [system] atom_chars(_338360, ['O', r, 'L', i, n, k])
   Exit: (233) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (232) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (232) [system] integer('OrLink')
   Fail: (232) [system] integer('OrLink')
   Call: (232) [system] _208982='OrLink'
   Exit: (232) [system] 'OrLink'='OrLink'
^  Exit: (231) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (230) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (229) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (229) [user] read_list(')', (0x55772f068e50), _353310)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _355168)
   Exit: (231) [system] peek_char((0x55772f068e50), ' ')
   Call: (231) [system] ' '=(;)
   Fail: (231) [system] ' '=(;)
   Call: (231) [system] ' '=(/)
   Fail: (231) [system] ' '=(/)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x55772f068e50), _364762)
   Exit: (231) [system] get_char((0x55772f068e50), ' ')
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _367466)
   Exit: (232) [system] peek_char((0x55772f068e50), 'B')
   Call: (232) [system] 'B'=(;)
   Fail: (232) [system] 'B'=(;)
   Call: (232) [system] 'B'=(/)
   Fail: (232) [system] 'B'=(/)
^  Call: (232) [user] is_like_space('B')
   Call: (233) [system] char_type('B', 'white')
   Fail: (233) [system] char_type('B', 'white')
   Call: (233) [system] char_type('B', end_of_line)
   Fail: (233) [system] char_type('B', end_of_line)
   Call: (233) [system] char_type('B', space)
   Fail: (233) [system] char_type('B', space)
   Call: (233) [system] char_type('B', cntrl)
   Fail: (233) [system] char_type('B', cntrl)
^  Fail: (232) [user] is_like_space('B')
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _384400)
   Exit: (230) [system] peek_char((0x55772f068e50), 'B')
   Call: (230) [system] 'B'=')'
   Fail: (230) [system] 'B'=')'
   Call: (230) [system] 'B'=end_of_file
   Fail: (230) [system] 'B'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x55772f068e50), _389970)
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _391828)
   Exit: (232) [system] peek_char((0x55772f068e50), 'B')
   Call: (232) [system] 'B'=(;)
   Fail: (232) [system] 'B'=(;)
   Call: (232) [system] 'B'=(/)
   Fail: (232) [system] 'B'=(/)
^  Call: (232) [user] is_like_space('B')
   Call: (233) [system] char_type('B', 'white')
   Fail: (233) [system] char_type('B', 'white')
   Call: (233) [system] char_type('B', end_of_line)
   Fail: (233) [system] char_type('B', end_of_line)
   Call: (233) [system] char_type('B', space)
   Fail: (233) [system] char_type('B', space)
   Call: (233) [system] char_type('B', cntrl)
   Fail: (233) [system] char_type('B', cntrl)
^  Fail: (232) [user] is_like_space('B')
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] get_char((0x55772f068e50), _407838)
   Exit: (231) [system] get_char((0x55772f068e50), 'B')
   Call: (231) [system] 'B'='('
   Fail: (231) [system] 'B'='('
   Call: (231) [system] 'B'='['
   Fail: (231) [system] 'B'='['
   Call: (231) [system] 'B'='{'
   Fail: (231) [system] 'B'='{'
   Call: (231) [system] 'B'='"'
   Fail: (231) [system] 'B'='"'
   Call: (231) [system] 'B'=!
   Fail: (231) [system] 'B'=!
   Call: (231) [system] 'B'='\''
   Fail: (231) [system] 'B'='\''
   Call: (231) [system] 'B'='`'
   Fail: (231) [system] 'B'='`'
   Call: (231) [system] 'B'=end_of_file
   Fail: (231) [system] 'B'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x55772f068e50), 'B', _389970)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _425480)
   Call: (233) [system] peek_char((0x55772f068e50), _426414)
   Exit: (233) [system] peek_char((0x55772f068e50), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _425480=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (232) [user] classify_and_convert_charseq(['B'], _389970)
^  Call: (233) [user] classify_and_convert_charseq_(['B'], _435698)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_436650, _436652), once(user:catch(read_from_chars(['B'], _435698), _436632, fail)), '$restore_trace'(_436650, _436652))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_436650, _436652))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _435698), _436632, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_435698)
   Fail: (234) [system] atomic(_435698)
   Call: (234) [system] atom_chars(_435698, ['B'])
   Exit: (234) [system] atom_chars('B', ['B'])
^  Exit: (233) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (233) [system] integer('B')
   Fail: (233) [system] integer('B')
   Call: (233) [system] _389970='B'
   Exit: (233) [system] 'B'='B'
^  Exit: (232) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (231) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (230) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (230) [user] read_list(')', (0x55772f068e50), _450648)
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _452506)
   Exit: (232) [system] peek_char((0x55772f068e50), ' ')
   Call: (232) [system] ' '=(;)
   Fail: (232) [system] ' '=(;)
   Call: (232) [system] ' '=(/)
   Fail: (232) [system] ' '=(/)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x55772f068e50), _462100)
   Exit: (232) [system] get_char((0x55772f068e50), ' ')
^  Call: (232) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _464804)
   Exit: (233) [system] peek_char((0x55772f068e50), '(')
   Call: (233) [system] '('=(;)
   Fail: (233) [system] '('=(;)
   Call: (233) [system] '('=(/)
   Fail: (233) [system] '('=(/)
^  Call: (233) [user] is_like_space('(')
   Call: (234) [system] char_type('(', 'white')
   Fail: (234) [system] char_type('(', 'white')
   Call: (234) [system] char_type('(', end_of_line)
   Fail: (234) [system] char_type('(', end_of_line)
   Call: (234) [system] char_type('(', space)
   Fail: (234) [system] char_type('(', space)
   Call: (234) [system] char_type('(', cntrl)
   Fail: (234) [system] char_type('(', cntrl)
^  Fail: (233) [user] is_like_space('(')
^  Exit: (232) [user] skip_spaces((0x55772f068e50))
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _481738)
   Exit: (231) [system] peek_char((0x55772f068e50), '(')
   Call: (231) [system] '('=')'
   Fail: (231) [system] '('=')'
   Call: (231) [system] '('=end_of_file
   Fail: (231) [system] '('=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x55772f068e50), _487308)
^  Call: (232) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _489166)
   Exit: (233) [system] peek_char((0x55772f068e50), '(')
   Call: (233) [system] '('=(;)
   Fail: (233) [system] '('=(;)
   Call: (233) [system] '('=(/)
   Fail: (233) [system] '('=(/)
^  Call: (233) [user] is_like_space('(')
   Call: (234) [system] char_type('(', 'white')
   Fail: (234) [system] char_type('(', 'white')
   Call: (234) [system] char_type('(', end_of_line)
   Fail: (234) [system] char_type('(', end_of_line)
   Call: (234) [system] char_type('(', space)
   Fail: (234) [system] char_type('(', space)
   Call: (234) [system] char_type('(', cntrl)
   Fail: (234) [system] char_type('(', cntrl)
^  Fail: (233) [user] is_like_space('(')
^  Exit: (232) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] get_char((0x55772f068e50), _505176)
   Exit: (232) [system] get_char((0x55772f068e50), '(')
   Call: (232) [system] '('='('
   Exit: (232) [system] '('='('
^  Call: (232) [user] read_list(')', (0x55772f068e50), _487308)
^  Call: (233) [user] skip_spaces((0x55772f068e50))
   Call: (234) [system] peek_char((0x55772f068e50), _510746)
   Exit: (234) [system] peek_char((0x55772f068e50), 'I')
   Call: (234) [system] 'I'=(;)
   Fail: (234) [system] 'I'=(;)
   Call: (234) [system] 'I'=(/)
   Fail: (234) [system] 'I'=(/)
^  Call: (234) [user] is_like_space('I')
   Call: (235) [system] char_type('I', 'white')
   Fail: (235) [system] char_type('I', 'white')
   Call: (235) [system] char_type('I', end_of_line)
   Fail: (235) [system] char_type('I', end_of_line)
   Call: (235) [system] char_type('I', space)
   Fail: (235) [system] char_type('I', space)
   Call: (235) [system] char_type('I', cntrl)
   Fail: (235) [system] char_type('I', cntrl)
^  Fail: (234) [user] is_like_space('I')
^  Exit: (233) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _526756)
   Exit: (233) [system] peek_char((0x55772f068e50), 'I')
   Call: (233) [system] 'I'=')'
   Fail: (233) [system] 'I'=')'
   Call: (233) [system] 'I'=end_of_file
   Fail: (233) [system] 'I'=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x55772f068e50), _532326)
^  Call: (234) [user] skip_spaces((0x55772f068e50))
   Call: (235) [system] peek_char((0x55772f068e50), _534184)
   Exit: (235) [system] peek_char((0x55772f068e50), 'I')
   Call: (235) [system] 'I'=(;)
   Fail: (235) [system] 'I'=(;)
   Call: (235) [system] 'I'=(/)
   Fail: (235) [system] 'I'=(/)
^  Call: (235) [user] is_like_space('I')
   Call: (236) [system] char_type('I', 'white')
   Fail: (236) [system] char_type('I', 'white')
   Call: (236) [system] char_type('I', end_of_line)
   Fail: (236) [system] char_type('I', end_of_line)
   Call: (236) [system] char_type('I', space)
   Fail: (236) [system] char_type('I', space)
   Call: (236) [system] char_type('I', cntrl)
   Fail: (236) [system] char_type('I', cntrl)
^  Fail: (235) [user] is_like_space('I')
^  Exit: (234) [user] skip_spaces((0x55772f068e50))
   Call: (234) [system] get_char((0x55772f068e50), _550194)
   Exit: (234) [system] get_char((0x55772f068e50), 'I')
   Call: (234) [system] 'I'='('
   Fail: (234) [system] 'I'='('
   Call: (234) [system] 'I'='['
   Fail: (234) [system] 'I'='['
   Call: (234) [system] 'I'='{'
   Fail: (234) [system] 'I'='{'
   Call: (234) [system] 'I'='"'
   Fail: (234) [system] 'I'='"'
   Call: (234) [system] 'I'=!
   Fail: (234) [system] 'I'=!
   Call: (234) [system] 'I'='\''
   Fail: (234) [system] 'I'='\''
   Call: (234) [system] 'I'='`'
   Fail: (234) [system] 'I'='`'
   Call: (234) [system] 'I'=end_of_file
   Fail: (234) [system] 'I'=end_of_file
^  Call: (234) [user] read_symbolic(')', (0x55772f068e50), 'I', _532326)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _567836)
   Call: (236) [system] peek_char((0x55772f068e50), _568770)
   Exit: (236) [system] peek_char((0x55772f068e50), m)
^  Call: (236) [user] is_delimiter(m)
   Call: (237) [system] char_type(m, space)
   Fail: (237) [system] char_type(m, space)
   Call: (237) [system] arg(_573490, v('(', ')', end_of_file), m)
   Fail: (237) [system] arg(_574422, v('(', ')', end_of_file), m)
^  Fail: (236) [user] is_delimiter(m)
   Call: (236) [system] ')'==m
   Fail: (236) [system] ')'==m
   Call: (236) [system] get_char((0x55772f068e50), m)
   Exit: (236) [system] get_char((0x55772f068e50), m)
   Call: (236) [system] m=(\)
   Fail: (236) [system] m=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _581772)
   Call: (237) [system] peek_char((0x55772f068e50), _582706)
   Exit: (237) [system] peek_char((0x55772f068e50), p)
^  Call: (237) [user] is_delimiter(p)
   Call: (238) [system] char_type(p, space)
   Fail: (238) [system] char_type(p, space)
   Call: (238) [system] arg(_587426, v('(', ')', end_of_file), p)
   Fail: (238) [system] arg(_588358, v('(', ')', end_of_file), p)
^  Fail: (237) [user] is_delimiter(p)
   Call: (237) [system] ')'==p
   Fail: (237) [system] ')'==p
   Call: (237) [system] get_char((0x55772f068e50), p)
   Exit: (237) [system] get_char((0x55772f068e50), p)
   Call: (237) [system] p=(\)
   Fail: (237) [system] p=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _595708)
   Call: (238) [system] peek_char((0x55772f068e50), _596642)
   Exit: (238) [system] peek_char((0x55772f068e50), l)
^  Call: (238) [user] is_delimiter(l)
   Call: (239) [system] char_type(l, space)
   Fail: (239) [system] char_type(l, space)
   Call: (239) [system] arg(_601362, v('(', ')', end_of_file), l)
   Fail: (239) [system] arg(_602294, v('(', ')', end_of_file), l)
^  Fail: (238) [user] is_delimiter(l)
   Call: (238) [system] ')'==l
   Fail: (238) [system] ')'==l
   Call: (238) [system] get_char((0x55772f068e50), l)
   Exit: (238) [system] get_char((0x55772f068e50), l)
   Call: (238) [system] l=(\)
   Fail: (238) [system] l=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _609644)
   Call: (239) [system] peek_char((0x55772f068e50), _610578)
   Exit: (239) [system] peek_char((0x55772f068e50), i)
^  Call: (239) [user] is_delimiter(i)
   Call: (240) [system] char_type(i, space)
   Fail: (240) [system] char_type(i, space)
   Call: (240) [system] arg(_615298, v('(', ')', end_of_file), i)
   Fail: (240) [system] arg(_616230, v('(', ')', end_of_file), i)
^  Fail: (239) [user] is_delimiter(i)
   Call: (239) [system] ')'==i
   Fail: (239) [system] ')'==i
   Call: (239) [system] get_char((0x55772f068e50), i)
   Exit: (239) [system] get_char((0x55772f068e50), i)
   Call: (239) [system] i=(\)
   Fail: (239) [system] i=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _623580)
   Call: (240) [system] peek_char((0x55772f068e50), _624514)
   Exit: (240) [system] peek_char((0x55772f068e50), c)
^  Call: (240) [user] is_delimiter(c)
   Call: (241) [system] char_type(c, space)
   Fail: (241) [system] char_type(c, space)
   Call: (241) [system] arg(_629234, v('(', ')', end_of_file), c)
   Fail: (241) [system] arg(_630166, v('(', ')', end_of_file), c)
^  Fail: (240) [user] is_delimiter(c)
   Call: (240) [system] ')'==c
   Fail: (240) [system] ')'==c
   Call: (240) [system] get_char((0x55772f068e50), c)
   Exit: (240) [system] get_char((0x55772f068e50), c)
   Call: (240) [system] c=(\)
   Fail: (240) [system] c=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _637516)
   Call: (241) [system] peek_char((0x55772f068e50), _638450)
   Exit: (241) [system] peek_char((0x55772f068e50), a)
^  Call: (241) [user] is_delimiter(a)
   Call: (242) [system] char_type(a, space)
   Fail: (242) [system] char_type(a, space)
   Call: (242) [system] arg(_643170, v('(', ')', end_of_file), a)
   Fail: (242) [system] arg(_644102, v('(', ')', end_of_file), a)
^  Fail: (241) [user] is_delimiter(a)
   Call: (241) [system] ')'==a
   Fail: (241) [system] ')'==a
   Call: (241) [system] get_char((0x55772f068e50), a)
   Exit: (241) [system] get_char((0x55772f068e50), a)
   Call: (241) [system] a=(\)
   Fail: (241) [system] a=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x55772f068e50), _651452)
   Call: (242) [system] peek_char((0x55772f068e50), _652386)
   Exit: (242) [system] peek_char((0x55772f068e50), t)
^  Call: (242) [user] is_delimiter(t)
   Call: (243) [system] char_type(t, space)
   Fail: (243) [system] char_type(t, space)
   Call: (243) [system] arg(_657106, v('(', ')', end_of_file), t)
   Fail: (243) [system] arg(_658038, v('(', ')', end_of_file), t)
^  Fail: (242) [user] is_delimiter(t)
   Call: (242) [system] ')'==t
   Fail: (242) [system] ')'==t
   Call: (242) [system] get_char((0x55772f068e50), t)
   Exit: (242) [system] get_char((0x55772f068e50), t)
   Call: (242) [system] t=(\)
   Fail: (242) [system] t=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x55772f068e50), _665388)
   Call: (243) [system] peek_char((0x55772f068e50), _666322)
   Exit: (243) [system] peek_char((0x55772f068e50), i)
^  Call: (243) [user] is_delimiter(i)
   Call: (244) [system] char_type(i, space)
   Fail: (244) [system] char_type(i, space)
   Call: (244) [system] arg(_671042, v('(', ')', end_of_file), i)
   Fail: (244) [system] arg(_671974, v('(', ')', end_of_file), i)
^  Fail: (243) [user] is_delimiter(i)
   Call: (243) [system] ')'==i
   Fail: (243) [system] ')'==i
   Call: (243) [system] get_char((0x55772f068e50), i)
   Exit: (243) [system] get_char((0x55772f068e50), i)
   Call: (243) [system] i=(\)
   Fail: (243) [system] i=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x55772f068e50), _679324)
   Call: (244) [system] peek_char((0x55772f068e50), _680258)
   Exit: (244) [system] peek_char((0x55772f068e50), o)
^  Call: (244) [user] is_delimiter(o)
   Call: (245) [system] char_type(o, space)
   Fail: (245) [system] char_type(o, space)
   Call: (245) [system] arg(_684978, v('(', ')', end_of_file), o)
   Fail: (245) [system] arg(_685910, v('(', ')', end_of_file), o)
^  Fail: (244) [user] is_delimiter(o)
   Call: (244) [system] ')'==o
   Fail: (244) [system] ')'==o
   Call: (244) [system] get_char((0x55772f068e50), o)
   Exit: (244) [system] get_char((0x55772f068e50), o)
   Call: (244) [system] o=(\)
   Fail: (244) [system] o=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x55772f068e50), _693260)
   Call: (245) [system] peek_char((0x55772f068e50), _694194)
   Exit: (245) [system] peek_char((0x55772f068e50), n)
^  Call: (245) [user] is_delimiter(n)
   Call: (246) [system] char_type(n, space)
   Fail: (246) [system] char_type(n, space)
   Call: (246) [system] arg(_698914, v('(', ')', end_of_file), n)
   Fail: (246) [system] arg(_699846, v('(', ')', end_of_file), n)
^  Fail: (245) [user] is_delimiter(n)
   Call: (245) [system] ')'==n
   Fail: (245) [system] ')'==n
   Call: (245) [system] get_char((0x55772f068e50), n)
   Exit: (245) [system] get_char((0x55772f068e50), n)
   Call: (245) [system] n=(\)
   Fail: (245) [system] n=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x55772f068e50), _707196)
   Call: (246) [system] peek_char((0x55772f068e50), _708130)
   Exit: (246) [system] peek_char((0x55772f068e50), ' ')
^  Call: (246) [user] is_delimiter(' ')
   Call: (247) [system] char_type(' ', space)
   Exit: (247) [system] char_type(' ', space)
^  Exit: (246) [user] is_delimiter(' ')
   Call: (246) [system] _707196=[]
   Exit: (246) [system] []=[]
^  Exit: (245) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (245) [system] _693260=[n]
   Exit: (245) [system] [n]=[n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (244) [system] _679324=[o, n]
   Exit: (244) [system] [o, n]=[o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (243) [system] _665388=[i, o, n]
   Exit: (243) [system] [i, o, n]=[i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (242) [system] _651452=[t, i, o, n]
   Exit: (242) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (241) [system] _637516=[a, t, i, o, n]
   Exit: (241) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (240) [system] _623580=[c, a, t, i, o, n]
   Exit: (240) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (239) [system] _609644=[i, c, a, t, i, o, n]
   Exit: (239) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (238) [system] _595708=[l, i, c, a, t, i, o, n]
   Exit: (238) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (237) [system] _581772=[p, l, i, c, a, t, i, o, n]
   Exit: (237) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (236) [system] _567836=[m, p, l, i, c, a, t, i, o, n]
   Exit: (236) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (235) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _532326)
^  Call: (236) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _745354)
^  Call: (238) [system] setup_call_cleanup('$notrace'(_746306, _746308), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _745354), _746288, fail)), '$restore_trace'(_746306, _746308))
^  Call: (239) [system] sig_atomic(system:'$notrace'(_746306, _746308))
^  Exit: (238) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _745354), _746288, fail)), system:'$restore_trace'(3, -1))
   Call: (237) [system] atomic(_745354)
   Fail: (237) [system] atomic(_745354)
   Call: (237) [system] atom_chars(_745354, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (237) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (236) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (236) [system] integer('Implication')
   Fail: (236) [system] integer('Implication')
   Call: (236) [system] _532326='Implication'
   Exit: (236) [system] 'Implication'='Implication'
^  Exit: (235) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (234) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (233) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (233) [user] read_list(')', (0x55772f068e50), _760304)
^  Call: (234) [user] skip_spaces((0x55772f068e50))
   Call: (235) [system] peek_char((0x55772f068e50), _762162)
   Exit: (235) [system] peek_char((0x55772f068e50), ' ')
   Call: (235) [system] ' '=(;)
   Fail: (235) [system] ' '=(;)
   Call: (235) [system] ' '=(/)
   Fail: (235) [system] ' '=(/)
^  Call: (235) [user] is_like_space(' ')
   Call: (236) [system] char_type(' ', 'white')
   Exit: (236) [system] char_type(' ', 'white')
^  Exit: (235) [user] is_like_space(' ')
   Call: (235) [system] get_char((0x55772f068e50), _771756)
   Exit: (235) [system] get_char((0x55772f068e50), ' ')
^  Call: (235) [user] skip_spaces((0x55772f068e50))
   Call: (236) [system] peek_char((0x55772f068e50), _774460)
   Exit: (236) [system] peek_char((0x55772f068e50), '(')
   Call: (236) [system] '('=(;)
   Fail: (236) [system] '('=(;)
   Call: (236) [system] '('=(/)
   Fail: (236) [system] '('=(/)
^  Call: (236) [user] is_like_space('(')
   Call: (237) [system] char_type('(', 'white')
   Fail: (237) [system] char_type('(', 'white')
   Call: (237) [system] char_type('(', end_of_line)
   Fail: (237) [system] char_type('(', end_of_line)
   Call: (237) [system] char_type('(', space)
   Fail: (237) [system] char_type('(', space)
   Call: (237) [system] char_type('(', cntrl)
   Fail: (237) [system] char_type('(', cntrl)
^  Fail: (236) [user] is_like_space('(')
^  Exit: (235) [user] skip_spaces((0x55772f068e50))
^  Exit: (234) [user] skip_spaces((0x55772f068e50))
   Call: (234) [system] peek_char((0x55772f068e50), _791394)
   Exit: (234) [system] peek_char((0x55772f068e50), '(')
   Call: (234) [system] '('=')'
   Fail: (234) [system] '('=')'
   Call: (234) [system] '('=end_of_file
   Fail: (234) [system] '('=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x55772f068e50), _796964)
^  Call: (235) [user] skip_spaces((0x55772f068e50))
   Call: (236) [system] peek_char((0x55772f068e50), _798822)
   Exit: (236) [system] peek_char((0x55772f068e50), '(')
   Call: (236) [system] '('=(;)
   Fail: (236) [system] '('=(;)
   Call: (236) [system] '('=(/)
   Fail: (236) [system] '('=(/)
^  Call: (236) [user] is_like_space('(')
   Call: (237) [system] char_type('(', 'white')
   Fail: (237) [system] char_type('(', 'white')
   Call: (237) [system] char_type('(', end_of_line)
   Fail: (237) [system] char_type('(', end_of_line)
   Call: (237) [system] char_type('(', space)
   Fail: (237) [system] char_type('(', space)
   Call: (237) [system] char_type('(', cntrl)
   Fail: (237) [system] char_type('(', cntrl)
^  Fail: (236) [user] is_like_space('(')
^  Exit: (235) [user] skip_spaces((0x55772f068e50))
   Call: (235) [system] get_char((0x55772f068e50), _814832)
   Exit: (235) [system] get_char((0x55772f068e50), '(')
   Call: (235) [system] '('='('
   Exit: (235) [system] '('='('
^  Call: (235) [user] read_list(')', (0x55772f068e50), _796964)
^  Call: (236) [user] skip_spaces((0x55772f068e50))
   Call: (237) [system] peek_char((0x55772f068e50), _820402)
   Exit: (237) [system] peek_char((0x55772f068e50), 'O')
   Call: (237) [system] 'O'=(;)
   Fail: (237) [system] 'O'=(;)
   Call: (237) [system] 'O'=(/)
   Fail: (237) [system] 'O'=(/)
^  Call: (237) [user] is_like_space('O')
   Call: (238) [system] char_type('O', 'white')
   Fail: (238) [system] char_type('O', 'white')
   Call: (238) [system] char_type('O', end_of_line)
   Fail: (238) [system] char_type('O', end_of_line)
   Call: (238) [system] char_type('O', space)
   Fail: (238) [system] char_type('O', space)
   Call: (238) [system] char_type('O', cntrl)
   Fail: (238) [system] char_type('O', cntrl)
^  Fail: (237) [user] is_like_space('O')
^  Exit: (236) [user] skip_spaces((0x55772f068e50))
   Call: (236) [system] peek_char((0x55772f068e50), _836412)
   Exit: (236) [system] peek_char((0x55772f068e50), 'O')
   Call: (236) [system] 'O'=')'
   Fail: (236) [system] 'O'=')'
   Call: (236) [system] 'O'=end_of_file
   Fail: (236) [system] 'O'=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x55772f068e50), _841982)
^  Call: (237) [user] skip_spaces((0x55772f068e50))
   Call: (238) [system] peek_char((0x55772f068e50), _843840)
   Exit: (238) [system] peek_char((0x55772f068e50), 'O')
   Call: (238) [system] 'O'=(;)
   Fail: (238) [system] 'O'=(;)
   Call: (238) [system] 'O'=(/)
   Fail: (238) [system] 'O'=(/)
^  Call: (238) [user] is_like_space('O')
   Call: (239) [system] char_type('O', 'white')
   Fail: (239) [system] char_type('O', 'white')
   Call: (239) [system] char_type('O', end_of_line)
   Fail: (239) [system] char_type('O', end_of_line)
   Call: (239) [system] char_type('O', space)
   Fail: (239) [system] char_type('O', space)
   Call: (239) [system] char_type('O', cntrl)
   Fail: (239) [system] char_type('O', cntrl)
^  Fail: (238) [user] is_like_space('O')
^  Exit: (237) [user] skip_spaces((0x55772f068e50))
   Call: (237) [system] get_char((0x55772f068e50), _859850)
   Exit: (237) [system] get_char((0x55772f068e50), 'O')
   Call: (237) [system] 'O'='('
   Fail: (237) [system] 'O'='('
   Call: (237) [system] 'O'='['
   Fail: (237) [system] 'O'='['
   Call: (237) [system] 'O'='{'
   Fail: (237) [system] 'O'='{'
   Call: (237) [system] 'O'='"'
   Fail: (237) [system] 'O'='"'
   Call: (237) [system] 'O'=!
   Fail: (237) [system] 'O'=!
   Call: (237) [system] 'O'='\''
   Fail: (237) [system] 'O'='\''
   Call: (237) [system] 'O'='`'
   Fail: (237) [system] 'O'='`'
   Call: (237) [system] 'O'=end_of_file
   Fail: (237) [system] 'O'=end_of_file
^  Call: (237) [user] read_symbolic(')', (0x55772f068e50), 'O', _841982)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _877492)
   Call: (239) [system] peek_char((0x55772f068e50), _878426)
   Exit: (239) [system] peek_char((0x55772f068e50), r)
^  Call: (239) [user] is_delimiter(r)
   Call: (240) [system] char_type(r, space)
   Fail: (240) [system] char_type(r, space)
   Call: (240) [system] arg(_883146, v('(', ')', end_of_file), r)
   Fail: (240) [system] arg(_884078, v('(', ')', end_of_file), r)
^  Fail: (239) [user] is_delimiter(r)
   Call: (239) [system] ')'==r
   Fail: (239) [system] ')'==r
   Call: (239) [system] get_char((0x55772f068e50), r)
   Exit: (239) [system] get_char((0x55772f068e50), r)
   Call: (239) [system] r=(\)
   Fail: (239) [system] r=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _891428)
   Call: (240) [system] peek_char((0x55772f068e50), _892362)
   Exit: (240) [system] peek_char((0x55772f068e50), 'L')
^  Call: (240) [user] is_delimiter('L')
   Call: (241) [system] char_type('L', space)
   Fail: (241) [system] char_type('L', space)
   Call: (241) [system] arg(_897082, v('(', ')', end_of_file), 'L')
   Fail: (241) [system] arg(_898014, v('(', ')', end_of_file), 'L')
^  Fail: (240) [user] is_delimiter('L')
   Call: (240) [system] ')'=='L'
   Fail: (240) [system] ')'=='L'
   Call: (240) [system] get_char((0x55772f068e50), 'L')
   Exit: (240) [system] get_char((0x55772f068e50), 'L')
   Call: (240) [system] 'L'=(\)
   Fail: (240) [system] 'L'=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _905364)
   Call: (241) [system] peek_char((0x55772f068e50), _906298)
   Exit: (241) [system] peek_char((0x55772f068e50), i)
^  Call: (241) [user] is_delimiter(i)
   Call: (242) [system] char_type(i, space)
   Fail: (242) [system] char_type(i, space)
   Call: (242) [system] arg(_911018, v('(', ')', end_of_file), i)
   Fail: (242) [system] arg(_911950, v('(', ')', end_of_file), i)
^  Fail: (241) [user] is_delimiter(i)
   Call: (241) [system] ')'==i
   Fail: (241) [system] ')'==i
   Call: (241) [system] get_char((0x55772f068e50), i)
   Exit: (241) [system] get_char((0x55772f068e50), i)
   Call: (241) [system] i=(\)
   Fail: (241) [system] i=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x55772f068e50), _919300)
   Call: (242) [system] peek_char((0x55772f068e50), _920234)
   Exit: (242) [system] peek_char((0x55772f068e50), n)
^  Call: (242) [user] is_delimiter(n)
   Call: (243) [system] char_type(n, space)
   Fail: (243) [system] char_type(n, space)
   Call: (243) [system] arg(_924954, v('(', ')', end_of_file), n)
   Fail: (243) [system] arg(_925886, v('(', ')', end_of_file), n)
^  Fail: (242) [user] is_delimiter(n)
   Call: (242) [system] ')'==n
   Fail: (242) [system] ')'==n
   Call: (242) [system] get_char((0x55772f068e50), n)
   Exit: (242) [system] get_char((0x55772f068e50), n)
   Call: (242) [system] n=(\)
   Fail: (242) [system] n=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x55772f068e50), _933236)
   Call: (243) [system] peek_char((0x55772f068e50), _934170)
   Exit: (243) [system] peek_char((0x55772f068e50), k)
^  Call: (243) [user] is_delimiter(k)
   Call: (244) [system] char_type(k, space)
   Fail: (244) [system] char_type(k, space)
   Call: (244) [system] arg(_938890, v('(', ')', end_of_file), k)
   Fail: (244) [system] arg(_939822, v('(', ')', end_of_file), k)
^  Fail: (243) [user] is_delimiter(k)
   Call: (243) [system] ')'==k
   Fail: (243) [system] ')'==k
   Call: (243) [system] get_char((0x55772f068e50), k)
   Exit: (243) [system] get_char((0x55772f068e50), k)
   Call: (243) [system] k=(\)
   Fail: (243) [system] k=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x55772f068e50), _947172)
   Call: (244) [system] peek_char((0x55772f068e50), _948106)
   Exit: (244) [system] peek_char((0x55772f068e50), ' ')
^  Call: (244) [user] is_delimiter(' ')
   Call: (245) [system] char_type(' ', space)
   Exit: (245) [system] char_type(' ', space)
^  Exit: (244) [user] is_delimiter(' ')
   Call: (244) [system] _947172=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (243) [system] _933236=[k]
   Exit: (243) [system] [k]=[k]
^  Exit: (242) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (242) [system] _919300=[n, k]
   Exit: (242) [system] [n, k]=[n, k]
^  Exit: (241) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (241) [system] _905364=[i, n, k]
   Exit: (241) [system] [i, n, k]=[i, n, k]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (240) [system] _891428=['L', i, n, k]
   Exit: (240) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (239) [system] _877492=[r, 'L', i, n, k]
   Exit: (239) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (238) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _841982)
^  Call: (239) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _971360)
^  Call: (241) [system] setup_call_cleanup('$notrace'(_972312, _972314), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _971360), _972294, fail)), '$restore_trace'(_972312, _972314))
^  Call: (242) [system] sig_atomic(system:'$notrace'(_972312, _972314))
^  Exit: (241) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _971360), _972294, fail)), system:'$restore_trace'(3, -1))
   Call: (240) [system] atomic(_971360)
   Fail: (240) [system] atomic(_971360)
   Call: (240) [system] atom_chars(_971360, ['O', r, 'L', i, n, k])
   Exit: (240) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (239) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (239) [system] integer('OrLink')
   Fail: (239) [system] integer('OrLink')
   Call: (239) [system] _841982='OrLink'
   Exit: (239) [system] 'OrLink'='OrLink'
^  Exit: (238) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (237) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (236) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (236) [user] read_list(')', (0x55772f068e50), _986310)
^  Call: (237) [user] skip_spaces((0x55772f068e50))
   Call: (238) [system] peek_char((0x55772f068e50), _988168)
   Exit: (238) [system] peek_char((0x55772f068e50), ' ')
   Call: (238) [system] ' '=(;)
   Fail: (238) [system] ' '=(;)
   Call: (238) [system] ' '=(/)
   Fail: (238) [system] ' '=(/)
^  Call: (238) [user] is_like_space(' ')
   Call: (239) [system] char_type(' ', 'white')
   Exit: (239) [system] char_type(' ', 'white')
^  Exit: (238) [user] is_like_space(' ')
   Call: (238) [system] get_char((0x55772f068e50), _997762)
   Exit: (238) [system] get_char((0x55772f068e50), ' ')
^  Call: (238) [user] skip_spaces((0x55772f068e50))
   Call: (239) [system] peek_char((0x55772f068e50), _1000466)
   Exit: (239) [system] peek_char((0x55772f068e50), 'C')
   Call: (239) [system] 'C'=(;)
   Fail: (239) [system] 'C'=(;)
   Call: (239) [system] 'C'=(/)
   Fail: (239) [system] 'C'=(/)
^  Call: (239) [user] is_like_space('C')
   Call: (240) [system] char_type('C', 'white')
   Fail: (240) [system] char_type('C', 'white')
   Call: (240) [system] char_type('C', end_of_line)
   Fail: (240) [system] char_type('C', end_of_line)
   Call: (240) [system] char_type('C', space)
   Fail: (240) [system] char_type('C', space)
   Call: (240) [system] char_type('C', cntrl)
   Fail: (240) [system] char_type('C', cntrl)
^  Fail: (239) [user] is_like_space('C')
^  Exit: (238) [user] skip_spaces((0x55772f068e50))
^  Exit: (237) [user] skip_spaces((0x55772f068e50))
   Call: (237) [system] peek_char((0x55772f068e50), _1017400)
   Exit: (237) [system] peek_char((0x55772f068e50), 'C')
   Call: (237) [system] 'C'=')'
   Fail: (237) [system] 'C'=')'
   Call: (237) [system] 'C'=end_of_file
   Fail: (237) [system] 'C'=end_of_file
^  Call: (237) [user] cont_sexpr(')', (0x55772f068e50), _1022970)
^  Call: (238) [user] skip_spaces((0x55772f068e50))
   Call: (239) [system] peek_char((0x55772f068e50), _1024828)
   Exit: (239) [system] peek_char((0x55772f068e50), 'C')
   Call: (239) [system] 'C'=(;)
   Fail: (239) [system] 'C'=(;)
   Call: (239) [system] 'C'=(/)
   Fail: (239) [system] 'C'=(/)
^  Call: (239) [user] is_like_space('C')
   Call: (240) [system] char_type('C', 'white')
   Fail: (240) [system] char_type('C', 'white')
   Call: (240) [system] char_type('C', end_of_line)
   Fail: (240) [system] char_type('C', end_of_line)
   Call: (240) [system] char_type('C', space)
   Fail: (240) [system] char_type('C', space)
   Call: (240) [system] char_type('C', cntrl)
   Fail: (240) [system] char_type('C', cntrl)
^  Fail: (239) [user] is_like_space('C')
^  Exit: (238) [user] skip_spaces((0x55772f068e50))
   Call: (238) [system] get_char((0x55772f068e50), _1040838)
   Exit: (238) [system] get_char((0x55772f068e50), 'C')
   Call: (238) [system] 'C'='('
   Fail: (238) [system] 'C'='('
   Call: (238) [system] 'C'='['
   Fail: (238) [system] 'C'='['
   Call: (238) [system] 'C'='{'
   Fail: (238) [system] 'C'='{'
   Call: (238) [system] 'C'='"'
   Fail: (238) [system] 'C'='"'
   Call: (238) [system] 'C'=!
   Fail: (238) [system] 'C'=!
   Call: (238) [system] 'C'='\''
   Fail: (238) [system] 'C'='\''
   Call: (238) [system] 'C'='`'
   Fail: (238) [system] 'C'='`'
   Call: (238) [system] 'C'=end_of_file
   Fail: (238) [system] 'C'=end_of_file
^  Call: (238) [user] read_symbolic(')', (0x55772f068e50), 'C', _1022970)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _1058480)
   Call: (240) [system] peek_char((0x55772f068e50), _1059414)
   Exit: (240) [system] peek_char((0x55772f068e50), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _1058480=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (239) [user] classify_and_convert_charseq(['C'], _1022970)
^  Call: (240) [user] classify_and_convert_charseq_(['C'], _1068698)
^  Call: (242) [system] setup_call_cleanup('$notrace'(_1069650, _1069652), once(user:catch(read_from_chars(['C'], _1068698), _1069632, fail)), '$restore_trace'(_1069650, _1069652))
^  Call: (243) [system] sig_atomic(system:'$notrace'(_1069650, _1069652))
^  Exit: (242) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1068698), _1069632, fail)), system:'$restore_trace'(3, -1))
   Call: (241) [system] atomic(_1068698)
   Fail: (241) [system] atomic(_1068698)
   Call: (241) [system] atom_chars(_1068698, ['C'])
   Exit: (241) [system] atom_chars('C', ['C'])
^  Exit: (240) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (240) [system] integer('C')
   Fail: (240) [system] integer('C')
   Call: (240) [system] _1022970='C'
   Exit: (240) [system] 'C'='C'
^  Exit: (239) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (238) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (237) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (237) [user] read_list(')', (0x55772f068e50), _1083648)
^  Call: (238) [user] skip_spaces((0x55772f068e50))
   Call: (239) [system] peek_char((0x55772f068e50), _1085506)
   Exit: (239) [system] peek_char((0x55772f068e50), ' ')
   Call: (239) [system] ' '=(;)
   Fail: (239) [system] ' '=(;)
   Call: (239) [system] ' '=(/)
   Fail: (239) [system] ' '=(/)
^  Call: (239) [user] is_like_space(' ')
   Call: (240) [system] char_type(' ', 'white')
   Exit: (240) [system] char_type(' ', 'white')
^  Exit: (239) [user] is_like_space(' ')
   Call: (239) [system] get_char((0x55772f068e50), _1095100)
   Exit: (239) [system] get_char((0x55772f068e50), ' ')
^  Call: (239) [user] skip_spaces((0x55772f068e50))
   Call: (240) [system] peek_char((0x55772f068e50), _1097804)
   Exit: (240) [system] peek_char((0x55772f068e50), 'D')
   Call: (240) [system] 'D'=(;)
   Fail: (240) [system] 'D'=(;)
   Call: (240) [system] 'D'=(/)
   Fail: (240) [system] 'D'=(/)
^  Call: (240) [user] is_like_space('D')
   Call: (241) [system] char_type('D', 'white')
   Fail: (241) [system] char_type('D', 'white')
   Call: (241) [system] char_type('D', end_of_line)
   Fail: (241) [system] char_type('D', end_of_line)
   Call: (241) [system] char_type('D', space)
   Fail: (241) [system] char_type('D', space)
   Call: (241) [system] char_type('D', cntrl)
   Fail: (241) [system] char_type('D', cntrl)
^  Fail: (240) [user] is_like_space('D')
^  Exit: (239) [user] skip_spaces((0x55772f068e50))
^  Exit: (238) [user] skip_spaces((0x55772f068e50))
   Call: (238) [system] peek_char((0x55772f068e50), _1114738)
   Exit: (238) [system] peek_char((0x55772f068e50), 'D')
   Call: (238) [system] 'D'=')'
   Fail: (238) [system] 'D'=')'
   Call: (238) [system] 'D'=end_of_file
   Fail: (238) [system] 'D'=end_of_file
^  Call: (238) [user] cont_sexpr(')', (0x55772f068e50), _1120308)
^  Call: (239) [user] skip_spaces((0x55772f068e50))
   Call: (240) [system] peek_char((0x55772f068e50), _1122166)
   Exit: (240) [system] peek_char((0x55772f068e50), 'D')
   Call: (240) [system] 'D'=(;)
   Fail: (240) [system] 'D'=(;)
   Call: (240) [system] 'D'=(/)
   Fail: (240) [system] 'D'=(/)
^  Call: (240) [user] is_like_space('D')
   Call: (241) [system] char_type('D', 'white')
   Fail: (241) [system] char_type('D', 'white')
   Call: (241) [system] char_type('D', end_of_line)
   Fail: (241) [system] char_type('D', end_of_line)
   Call: (241) [system] char_type('D', space)
   Fail: (241) [system] char_type('D', space)
   Call: (241) [system] char_type('D', cntrl)
   Fail: (241) [system] char_type('D', cntrl)
^  Fail: (240) [user] is_like_space('D')
^  Exit: (239) [user] skip_spaces((0x55772f068e50))
   Call: (239) [system] get_char((0x55772f068e50), _1138176)
   Exit: (239) [system] get_char((0x55772f068e50), 'D')
   Call: (239) [system] 'D'='('
   Fail: (239) [system] 'D'='('
   Call: (239) [system] 'D'='['
   Fail: (239) [system] 'D'='['
   Call: (239) [system] 'D'='{'
   Fail: (239) [system] 'D'='{'
   Call: (239) [system] 'D'='"'
   Fail: (239) [system] 'D'='"'
   Call: (239) [system] 'D'=!
   Fail: (239) [system] 'D'=!
   Call: (239) [system] 'D'='\''
   Fail: (239) [system] 'D'='\''
   Call: (239) [system] 'D'='`'
   Fail: (239) [system] 'D'='`'
   Call: (239) [system] 'D'=end_of_file
   Fail: (239) [system] 'D'=end_of_file
^  Call: (239) [user] read_symbolic(')', (0x55772f068e50), 'D', _1120308)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _1155818)
   Call: (241) [system] peek_char((0x55772f068e50), _1156752)
   Exit: (241) [system] peek_char((0x55772f068e50), ')')
^  Call: (241) [user] is_delimiter(')')
   Call: (242) [system] char_type(')', space)
   Fail: (242) [system] char_type(')', space)
   Call: (242) [system] arg(_1161472, v('(', ')', end_of_file), ')')
   Exit: (242) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (241) [user] is_delimiter(')')
   Call: (241) [system] _1155818=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (240) [user] classify_and_convert_charseq(['D'], _1120308)
^  Call: (241) [user] classify_and_convert_charseq_(['D'], _1167908)
^  Call: (243) [system] setup_call_cleanup('$notrace'(_1168860, _1168862), once(user:catch(read_from_chars(['D'], _1167908), _1168842, fail)), '$restore_trace'(_1168860, _1168862))
^  Call: (244) [system] sig_atomic(system:'$notrace'(_1168860, _1168862))
^  Exit: (243) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1167908), _1168842, fail)), system:'$restore_trace'(3, -1))
   Call: (242) [system] atomic(_1167908)
   Fail: (242) [system] atomic(_1167908)
   Call: (242) [system] atom_chars(_1167908, ['D'])
   Exit: (242) [system] atom_chars('D', ['D'])
^  Exit: (241) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (241) [system] integer('D')
   Fail: (241) [system] integer('D')
   Call: (241) [system] _1120308='D'
   Exit: (241) [system] 'D'='D'
^  Exit: (240) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (239) [user] read_symbolic(')', (0x55772f068e50), 'D', 'D')
^  Exit: (238) [user] cont_sexpr(')', (0x55772f068e50), 'D')
^  Call: (238) [user] read_list(')', (0x55772f068e50), _1182858)
^  Call: (239) [user] skip_spaces((0x55772f068e50))
   Call: (240) [system] peek_char((0x55772f068e50), _1184716)
   Exit: (240) [system] peek_char((0x55772f068e50), ')')
   Call: (240) [system] ')'=(;)
   Fail: (240) [system] ')'=(;)
   Call: (240) [system] ')'=(/)
   Fail: (240) [system] ')'=(/)
^  Call: (240) [user] is_like_space(')')
   Call: (241) [system] char_type(')', 'white')
   Fail: (241) [system] char_type(')', 'white')
   Call: (241) [system] char_type(')', end_of_line)
   Fail: (241) [system] char_type(')', end_of_line)
   Call: (241) [system] char_type(')', space)
   Fail: (241) [system] char_type(')', space)
   Call: (241) [system] char_type(')', cntrl)
   Fail: (241) [system] char_type(')', cntrl)
^  Fail: (240) [user] is_like_space(')')
^  Exit: (239) [user] skip_spaces((0x55772f068e50))
   Call: (239) [system] peek_char((0x55772f068e50), _1200726)
   Exit: (239) [system] peek_char((0x55772f068e50), ')')
   Call: (239) [system] ')'=')'
   Exit: (239) [system] ')'=')'
   Call: (239) [system] get_char((0x55772f068e50), _1204516)
   Exit: (239) [system] get_char((0x55772f068e50), ')')
   Call: (239) [system] _1182858=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_list(')', (0x55772f068e50), [])
   Call: (238) [system] _1083648=['D']
   Exit: (238) [system] ['D']=['D']
^  Exit: (237) [user] read_list(')', (0x55772f068e50), ['D'])
   Call: (237) [system] _986310=['C', 'D']
   Exit: (237) [system] ['C', 'D']=['C', 'D']
^  Exit: (236) [user] read_list(')', (0x55772f068e50), ['C', 'D'])
   Call: (236) [system] _796964=['OrLink', 'C', 'D']
   Exit: (236) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (235) [user] read_list(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Exit: (234) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Call: (234) [user] read_list(')', (0x55772f068e50), _1218398)
^  Call: (235) [user] skip_spaces((0x55772f068e50))
   Call: (236) [system] peek_char((0x55772f068e50), _1220256)
   Exit: (236) [system] peek_char((0x55772f068e50), ' ')
   Call: (236) [system] ' '=(;)
   Fail: (236) [system] ' '=(;)
   Call: (236) [system] ' '=(/)
   Fail: (236) [system] ' '=(/)
^  Call: (236) [user] is_like_space(' ')
   Call: (237) [system] char_type(' ', 'white')
   Exit: (237) [system] char_type(' ', 'white')
^  Exit: (236) [user] is_like_space(' ')
   Call: (236) [system] get_char((0x55772f068e50), _1229850)
   Exit: (236) [system] get_char((0x55772f068e50), ' ')
^  Call: (236) [user] skip_spaces((0x55772f068e50))
   Call: (237) [system] peek_char((0x55772f068e50), _1232554)
   Exit: (237) [system] peek_char((0x55772f068e50), 'E')
   Call: (237) [system] 'E'=(;)
   Fail: (237) [system] 'E'=(;)
   Call: (237) [system] 'E'=(/)
   Fail: (237) [system] 'E'=(/)
^  Call: (237) [user] is_like_space('E')
   Call: (238) [system] char_type('E', 'white')
   Fail: (238) [system] char_type('E', 'white')
   Call: (238) [system] char_type('E', end_of_line)
   Fail: (238) [system] char_type('E', end_of_line)
   Call: (238) [system] char_type('E', space)
   Fail: (238) [system] char_type('E', space)
   Call: (238) [system] char_type('E', cntrl)
   Fail: (238) [system] char_type('E', cntrl)
^  Fail: (237) [user] is_like_space('E')
^  Exit: (236) [user] skip_spaces((0x55772f068e50))
^  Exit: (235) [user] skip_spaces((0x55772f068e50))
   Call: (235) [system] peek_char((0x55772f068e50), _1249488)
   Exit: (235) [system] peek_char((0x55772f068e50), 'E')
   Call: (235) [system] 'E'=')'
   Fail: (235) [system] 'E'=')'
   Call: (235) [system] 'E'=end_of_file
   Fail: (235) [system] 'E'=end_of_file
^  Call: (235) [user] cont_sexpr(')', (0x55772f068e50), _1255058)
^  Call: (236) [user] skip_spaces((0x55772f068e50))
   Call: (237) [system] peek_char((0x55772f068e50), _1256916)
   Exit: (237) [system] peek_char((0x55772f068e50), 'E')
   Call: (237) [system] 'E'=(;)
   Fail: (237) [system] 'E'=(;)
   Call: (237) [system] 'E'=(/)
   Fail: (237) [system] 'E'=(/)
^  Call: (237) [user] is_like_space('E')
   Call: (238) [system] char_type('E', 'white')
   Fail: (238) [system] char_type('E', 'white')
   Call: (238) [system] char_type('E', end_of_line)
   Fail: (238) [system] char_type('E', end_of_line)
   Call: (238) [system] char_type('E', space)
   Fail: (238) [system] char_type('E', space)
   Call: (238) [system] char_type('E', cntrl)
   Fail: (238) [system] char_type('E', cntrl)
^  Fail: (237) [user] is_like_space('E')
^  Exit: (236) [user] skip_spaces((0x55772f068e50))
   Call: (236) [system] get_char((0x55772f068e50), _1272926)
   Exit: (236) [system] get_char((0x55772f068e50), 'E')
   Call: (236) [system] 'E'='('
   Fail: (236) [system] 'E'='('
   Call: (236) [system] 'E'='['
   Fail: (236) [system] 'E'='['
   Call: (236) [system] 'E'='{'
   Fail: (236) [system] 'E'='{'
   Call: (236) [system] 'E'='"'
   Fail: (236) [system] 'E'='"'
   Call: (236) [system] 'E'=!
   Fail: (236) [system] 'E'=!
   Call: (236) [system] 'E'='\''
   Fail: (236) [system] 'E'='\''
   Call: (236) [system] 'E'='`'
   Fail: (236) [system] 'E'='`'
   Call: (236) [system] 'E'=end_of_file
   Fail: (236) [system] 'E'=end_of_file
^  Call: (236) [user] read_symbolic(')', (0x55772f068e50), 'E', _1255058)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _1290568)
   Call: (238) [system] peek_char((0x55772f068e50), _1291502)
   Exit: (238) [system] peek_char((0x55772f068e50), ')')
^  Call: (238) [user] is_delimiter(')')
   Call: (239) [system] char_type(')', space)
   Fail: (239) [system] char_type(')', space)
   Call: (239) [system] arg(_1296222, v('(', ')', end_of_file), ')')
   Exit: (239) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (238) [user] is_delimiter(')')
   Call: (238) [system] _1290568=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (237) [user] classify_and_convert_charseq(['E'], _1255058)
^  Call: (238) [user] classify_and_convert_charseq_(['E'], _1302658)
^  Call: (240) [system] setup_call_cleanup('$notrace'(_1303610, _1303612), once(user:catch(read_from_chars(['E'], _1302658), _1303592, fail)), '$restore_trace'(_1303610, _1303612))
^  Call: (241) [system] sig_atomic(system:'$notrace'(_1303610, _1303612))
^  Exit: (240) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1302658), _1303592, fail)), system:'$restore_trace'(3, -1))
   Call: (239) [system] atomic(_1302658)
   Fail: (239) [system] atomic(_1302658)
   Call: (239) [system] atom_chars(_1302658, ['E'])
   Exit: (239) [system] atom_chars('E', ['E'])
^  Exit: (238) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (238) [system] integer('E')
   Fail: (238) [system] integer('E')
   Call: (238) [system] _1255058='E'
   Exit: (238) [system] 'E'='E'
^  Exit: (237) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (236) [user] read_symbolic(')', (0x55772f068e50), 'E', 'E')
^  Exit: (235) [user] cont_sexpr(')', (0x55772f068e50), 'E')
^  Call: (235) [user] read_list(')', (0x55772f068e50), _1317608)
^  Call: (236) [user] skip_spaces((0x55772f068e50))
   Call: (237) [system] peek_char((0x55772f068e50), _1319466)
   Exit: (237) [system] peek_char((0x55772f068e50), ')')
   Call: (237) [system] ')'=(;)
   Fail: (237) [system] ')'=(;)
   Call: (237) [system] ')'=(/)
   Fail: (237) [system] ')'=(/)
^  Call: (237) [user] is_like_space(')')
   Call: (238) [system] char_type(')', 'white')
   Fail: (238) [system] char_type(')', 'white')
   Call: (238) [system] char_type(')', end_of_line)
   Fail: (238) [system] char_type(')', end_of_line)
   Call: (238) [system] char_type(')', space)
   Fail: (238) [system] char_type(')', space)
   Call: (238) [system] char_type(')', cntrl)
   Fail: (238) [system] char_type(')', cntrl)
^  Fail: (237) [user] is_like_space(')')
^  Exit: (236) [user] skip_spaces((0x55772f068e50))
   Call: (236) [system] peek_char((0x55772f068e50), _1335476)
   Exit: (236) [system] peek_char((0x55772f068e50), ')')
   Call: (236) [system] ')'=')'
   Exit: (236) [system] ')'=')'
   Call: (236) [system] get_char((0x55772f068e50), _1339266)
   Exit: (236) [system] get_char((0x55772f068e50), ')')
   Call: (236) [system] _1317608=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_list(')', (0x55772f068e50), [])
   Call: (235) [system] _1218398=['E']
   Exit: (235) [system] ['E']=['E']
^  Exit: (234) [user] read_list(')', (0x55772f068e50), ['E'])
   Call: (234) [system] _760304=[['OrLink', 'C', 'D'], 'E']
   Exit: (234) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (233) [user] read_list(')', (0x55772f068e50), [['OrLink', 'C', 'D'], 'E'])
   Call: (233) [system] _487308=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (233) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (232) [user] read_list(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (231) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (231) [user] read_list(')', (0x55772f068e50), _1353148)
^  Call: (232) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _1355006)
   Exit: (233) [system] peek_char((0x55772f068e50), ')')
   Call: (233) [system] ')'=(;)
   Fail: (233) [system] ')'=(;)
   Call: (233) [system] ')'=(/)
   Fail: (233) [system] ')'=(/)
^  Call: (233) [user] is_like_space(')')
   Call: (234) [system] char_type(')', 'white')
   Fail: (234) [system] char_type(')', 'white')
   Call: (234) [system] char_type(')', end_of_line)
   Fail: (234) [system] char_type(')', end_of_line)
   Call: (234) [system] char_type(')', space)
   Fail: (234) [system] char_type(')', space)
   Call: (234) [system] char_type(')', cntrl)
   Fail: (234) [system] char_type(')', cntrl)
^  Fail: (233) [user] is_like_space(')')
^  Exit: (232) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _1371016)
   Exit: (232) [system] peek_char((0x55772f068e50), ')')
   Call: (232) [system] ')'=')'
   Exit: (232) [system] ')'=')'
   Call: (232) [system] get_char((0x55772f068e50), _1374806)
   Exit: (232) [system] get_char((0x55772f068e50), ')')
   Call: (232) [system] _1353148=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_list(')', (0x55772f068e50), [])
   Call: (231) [system] _450648=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (231) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (230) [user] read_list(')', (0x55772f068e50), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (230) [system] _353310=['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (230) [system] ['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (229) [user] read_list(')', (0x55772f068e50), ['B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (229) [system] _163964=['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (229) [system] ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (228) [user] read_list(')', (0x55772f068e50), ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (227) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (227) [user] read_list(')', (0x55772f068e50), _1388688)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1390546)
   Exit: (229) [system] peek_char((0x55772f068e50), ')')
   Call: (229) [system] ')'=(;)
   Fail: (229) [system] ')'=(;)
   Call: (229) [system] ')'=(/)
   Fail: (229) [system] ')'=(/)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Fail: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Fail: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
   Fail: (230) [system] char_type(')', cntrl)
^  Fail: (229) [user] is_like_space(')')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1406556)
   Exit: (228) [system] peek_char((0x55772f068e50), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x55772f068e50), _1410346)
   Exit: (228) [system] get_char((0x55772f068e50), ')')
   Call: (228) [system] _1388688=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x55772f068e50), [])
   Call: (227) [system] _127304=[['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (227) [system] [['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (226) [user] read_list(')', (0x55772f068e50), [['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (226) [system] _6486=[['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (226) [system] [['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (225) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (225) [system] _6478=[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (225) [system] [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (224) [user] read_list(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (223) [user] cont_sexpr(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (223) [user] read_list(')', (0x55772f068e50), _1424228)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1426086)
   Exit: (225) [system] peek_char((0x55772f068e50), '\n')
   Call: (225) [system] '\n'=(;)
   Fail: (225) [system] '\n'=(;)
   Call: (225) [system] '\n'=(/)
   Fail: (225) [system] '\n'=(/)
^  Call: (225) [user] is_like_space('\n')
   Call: (226) [system] char_type('\n', 'white')
   Fail: (226) [system] char_type('\n', 'white')
   Call: (226) [system] char_type('\n', end_of_line)
   Exit: (226) [system] char_type('\n', end_of_line)
^  Exit: (225) [user] is_like_space('\n')
   Call: (225) [system] get_char((0x55772f068e50), _1437536)
   Exit: (225) [system] get_char((0x55772f068e50), '\n')
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1440240)
   Exit: (226) [system] peek_char((0x55772f068e50), '\t')
   Call: (226) [system] '\t'=(;)
   Fail: (226) [system] '\t'=(;)
   Call: (226) [system] '\t'=(/)
   Fail: (226) [system] '\t'=(/)
^  Call: (226) [user] is_like_space('\t')
   Call: (227) [system] char_type('\t', 'white')
   Exit: (227) [system] char_type('\t', 'white')
^  Exit: (226) [user] is_like_space('\t')
   Call: (226) [system] get_char((0x55772f068e50), _1449834)
   Exit: (226) [system] get_char((0x55772f068e50), '\t')
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1452538)
   Exit: (227) [system] peek_char((0x55772f068e50), '\t')
   Call: (227) [system] '\t'=(;)
   Fail: (227) [system] '\t'=(;)
   Call: (227) [system] '\t'=(/)
   Fail: (227) [system] '\t'=(/)
^  Call: (227) [user] is_like_space('\t')
   Call: (228) [system] char_type('\t', 'white')
   Exit: (228) [system] char_type('\t', 'white')
^  Exit: (227) [user] is_like_space('\t')
   Call: (227) [system] get_char((0x55772f068e50), _1462132)
   Exit: (227) [system] get_char((0x55772f068e50), '\t')
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1464836)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x55772f068e50), _1474430)
   Exit: (228) [system] get_char((0x55772f068e50), ' ')
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1477134)
   Exit: (229) [system] peek_char((0x55772f068e50), '(')
   Call: (229) [system] '('=(;)
   Fail: (229) [system] '('=(;)
   Call: (229) [system] '('=(/)
   Fail: (229) [system] '('=(/)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Fail: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Fail: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Fail: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
   Fail: (230) [system] char_type('(', cntrl)
^  Fail: (229) [user] is_like_space('(')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1496840)
   Exit: (224) [system] peek_char((0x55772f068e50), '(')
   Call: (224) [system] '('=')'
   Fail: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
   Fail: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x55772f068e50), _1502410)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1504268)
   Exit: (226) [system] peek_char((0x55772f068e50), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] get_char((0x55772f068e50), _1520278)
   Exit: (225) [system] get_char((0x55772f068e50), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x55772f068e50), _1502410)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1525848)
   Exit: (227) [system] peek_char((0x55772f068e50), :)
   Call: (227) [system] (:)=(;)
   Fail: (227) [system] (:)=(;)
   Call: (227) [system] (:)=(/)
   Fail: (227) [system] (:)=(/)
^  Call: (227) [user] is_like_space(:)
   Call: (228) [system] char_type(:, 'white')
   Fail: (228) [system] char_type(:, 'white')
   Call: (228) [system] char_type(:, end_of_line)
   Fail: (228) [system] char_type(:, end_of_line)
   Call: (228) [system] char_type(:, space)
   Fail: (228) [system] char_type(:, space)
   Call: (228) [system] char_type(:, cntrl)
   Fail: (228) [system] char_type(:, cntrl)
^  Fail: (227) [user] is_like_space(:)
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1541858)
   Exit: (226) [system] peek_char((0x55772f068e50), :)
   Call: (226) [system] (:)=')'
   Fail: (226) [system] (:)=')'
   Call: (226) [system] (:)=end_of_file
   Fail: (226) [system] (:)=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x55772f068e50), _1547428)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1549286)
   Exit: (228) [system] peek_char((0x55772f068e50), :)
   Call: (228) [system] (:)=(;)
   Fail: (228) [system] (:)=(;)
   Call: (228) [system] (:)=(/)
   Fail: (228) [system] (:)=(/)
^  Call: (228) [user] is_like_space(:)
   Call: (229) [system] char_type(:, 'white')
   Fail: (229) [system] char_type(:, 'white')
   Call: (229) [system] char_type(:, end_of_line)
   Fail: (229) [system] char_type(:, end_of_line)
   Call: (229) [system] char_type(:, space)
   Fail: (229) [system] char_type(:, space)
   Call: (229) [system] char_type(:, cntrl)
   Fail: (229) [system] char_type(:, cntrl)
^  Fail: (228) [user] is_like_space(:)
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] get_char((0x55772f068e50), _1565296)
   Exit: (227) [system] get_char((0x55772f068e50), :)
   Call: (227) [system] (:)='('
   Fail: (227) [system] (:)='('
   Call: (227) [system] (:)='['
   Fail: (227) [system] (:)='['
   Call: (227) [system] (:)='{'
   Fail: (227) [system] (:)='{'
   Call: (227) [system] (:)='"'
   Fail: (227) [system] (:)='"'
   Call: (227) [system] (:)=!
   Fail: (227) [system] (:)=!
   Call: (227) [system] (:)='\''
   Fail: (227) [system] (:)='\''
   Call: (227) [system] (:)='`'
   Fail: (227) [system] (:)='`'
   Call: (227) [system] (:)=end_of_file
   Fail: (227) [system] (:)=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x55772f068e50), :, _1547428)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1582938)
   Call: (229) [system] peek_char((0x55772f068e50), _1583872)
   Exit: (229) [system] peek_char((0x55772f068e50), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _1582938=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (228) [user] classify_and_convert_charseq([:], _1547428)
^  Call: (229) [user] classify_and_convert_charseq_([:], _1593156)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1594108, _1594110), once(user:catch(read_from_chars([:], _1593156), _1594090, fail)), '$restore_trace'(_1594108, _1594110))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1594108, _1594110))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1594090, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(:)
   Exit: (230) [system] atomic(:)
^  Exit: (229) [user] classify_and_convert_charseq_([:], :)
   Call: (229) [system] integer(:)
   Fail: (229) [system] integer(:)
   Call: (229) [system] _1547428=(:)
   Exit: (229) [system] (:)=(:)
^  Exit: (228) [user] classify_and_convert_charseq([:], :)
^  Exit: (227) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (226) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (226) [user] read_list(')', (0x55772f068e50), _1606236)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1608094)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x55772f068e50), _1617688)
   Exit: (228) [system] get_char((0x55772f068e50), ' ')
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1620392)
   Exit: (229) [system] peek_char((0x55772f068e50), '(')
   Call: (229) [system] '('=(;)
   Fail: (229) [system] '('=(;)
   Call: (229) [system] '('=(/)
   Fail: (229) [system] '('=(/)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Fail: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Fail: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Fail: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
   Fail: (230) [system] char_type('(', cntrl)
^  Fail: (229) [user] is_like_space('(')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1637326)
   Exit: (227) [system] peek_char((0x55772f068e50), '(')
   Call: (227) [system] '('=')'
   Fail: (227) [system] '('=')'
   Call: (227) [system] '('=end_of_file
   Fail: (227) [system] '('=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x55772f068e50), _1642896)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1644754)
   Exit: (229) [system] peek_char((0x55772f068e50), '(')
   Call: (229) [system] '('=(;)
   Fail: (229) [system] '('=(;)
   Call: (229) [system] '('=(/)
   Fail: (229) [system] '('=(/)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Fail: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Fail: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Fail: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
   Fail: (230) [system] char_type('(', cntrl)
^  Fail: (229) [user] is_like_space('(')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] get_char((0x55772f068e50), _1660764)
   Exit: (228) [system] get_char((0x55772f068e50), '(')
   Call: (228) [system] '('='('
   Exit: (228) [system] '('='('
^  Call: (228) [user] read_list(')', (0x55772f068e50), _1642896)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1666334)
   Exit: (230) [system] peek_char((0x55772f068e50), 'D')
   Call: (230) [system] 'D'=(;)
   Fail: (230) [system] 'D'=(;)
   Call: (230) [system] 'D'=(/)
   Fail: (230) [system] 'D'=(/)
^  Call: (230) [user] is_like_space('D')
   Call: (231) [system] char_type('D', 'white')
   Fail: (231) [system] char_type('D', 'white')
   Call: (231) [system] char_type('D', end_of_line)
   Fail: (231) [system] char_type('D', end_of_line)
   Call: (231) [system] char_type('D', space)
   Fail: (231) [system] char_type('D', space)
   Call: (231) [system] char_type('D', cntrl)
   Fail: (231) [system] char_type('D', cntrl)
^  Fail: (230) [user] is_like_space('D')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1682344)
   Exit: (229) [system] peek_char((0x55772f068e50), 'D')
   Call: (229) [system] 'D'=')'
   Fail: (229) [system] 'D'=')'
   Call: (229) [system] 'D'=end_of_file
   Fail: (229) [system] 'D'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x55772f068e50), _1687914)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1689772)
   Exit: (231) [system] peek_char((0x55772f068e50), 'D')
   Call: (231) [system] 'D'=(;)
   Fail: (231) [system] 'D'=(;)
   Call: (231) [system] 'D'=(/)
   Fail: (231) [system] 'D'=(/)
^  Call: (231) [user] is_like_space('D')
   Call: (232) [system] char_type('D', 'white')
   Fail: (232) [system] char_type('D', 'white')
   Call: (232) [system] char_type('D', end_of_line)
   Fail: (232) [system] char_type('D', end_of_line)
   Call: (232) [system] char_type('D', space)
   Fail: (232) [system] char_type('D', space)
   Call: (232) [system] char_type('D', cntrl)
   Fail: (232) [system] char_type('D', cntrl)
^  Fail: (231) [user] is_like_space('D')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] get_char((0x55772f068e50), _1705782)
   Exit: (230) [system] get_char((0x55772f068e50), 'D')
   Call: (230) [system] 'D'='('
   Fail: (230) [system] 'D'='('
   Call: (230) [system] 'D'='['
   Fail: (230) [system] 'D'='['
   Call: (230) [system] 'D'='{'
   Fail: (230) [system] 'D'='{'
   Call: (230) [system] 'D'='"'
   Fail: (230) [system] 'D'='"'
   Call: (230) [system] 'D'=!
   Fail: (230) [system] 'D'=!
   Call: (230) [system] 'D'='\''
   Fail: (230) [system] 'D'='\''
   Call: (230) [system] 'D'='`'
   Fail: (230) [system] 'D'='`'
   Call: (230) [system] 'D'=end_of_file
   Fail: (230) [system] 'D'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x55772f068e50), 'D', _1687914)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1723424)
   Call: (232) [system] peek_char((0x55772f068e50), _1724358)
   Exit: (232) [system] peek_char((0x55772f068e50), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_1729078, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_1730010, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x55772f068e50), i)
   Exit: (232) [system] get_char((0x55772f068e50), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1737360)
   Call: (233) [system] peek_char((0x55772f068e50), _1738294)
   Exit: (233) [system] peek_char((0x55772f068e50), s)
^  Call: (233) [user] is_delimiter(s)
   Call: (234) [system] char_type(s, space)
   Fail: (234) [system] char_type(s, space)
   Call: (234) [system] arg(_1743014, v('(', ')', end_of_file), s)
   Fail: (234) [system] arg(_1743946, v('(', ')', end_of_file), s)
^  Fail: (233) [user] is_delimiter(s)
   Call: (233) [system] ')'==s
   Fail: (233) [system] ')'==s
   Call: (233) [system] get_char((0x55772f068e50), s)
   Exit: (233) [system] get_char((0x55772f068e50), s)
   Call: (233) [system] s=(\)
   Fail: (233) [system] s=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1751296)
   Call: (234) [system] peek_char((0x55772f068e50), _1752230)
   Exit: (234) [system] peek_char((0x55772f068e50), j)
^  Call: (234) [user] is_delimiter(j)
   Call: (235) [system] char_type(j, space)
   Fail: (235) [system] char_type(j, space)
   Call: (235) [system] arg(_1756950, v('(', ')', end_of_file), j)
   Fail: (235) [system] arg(_1757882, v('(', ')', end_of_file), j)
^  Fail: (234) [user] is_delimiter(j)
   Call: (234) [system] ')'==j
   Fail: (234) [system] ')'==j
   Call: (234) [system] get_char((0x55772f068e50), j)
   Exit: (234) [system] get_char((0x55772f068e50), j)
   Call: (234) [system] j=(\)
   Fail: (234) [system] j=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1765232)
   Call: (235) [system] peek_char((0x55772f068e50), _1766166)
   Exit: (235) [system] peek_char((0x55772f068e50), u)
^  Call: (235) [user] is_delimiter(u)
   Call: (236) [system] char_type(u, space)
   Fail: (236) [system] char_type(u, space)
   Call: (236) [system] arg(_1770886, v('(', ')', end_of_file), u)
   Fail: (236) [system] arg(_1771818, v('(', ')', end_of_file), u)
^  Fail: (235) [user] is_delimiter(u)
   Call: (235) [system] ')'==u
   Fail: (235) [system] ')'==u
   Call: (235) [system] get_char((0x55772f068e50), u)
   Exit: (235) [system] get_char((0x55772f068e50), u)
   Call: (235) [system] u=(\)
   Fail: (235) [system] u=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1779168)
   Call: (236) [system] peek_char((0x55772f068e50), _1780102)
   Exit: (236) [system] peek_char((0x55772f068e50), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1784822, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_1785754, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x55772f068e50), n)
   Exit: (236) [system] get_char((0x55772f068e50), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1793104)
   Call: (237) [system] peek_char((0x55772f068e50), _1794038)
   Exit: (237) [system] peek_char((0x55772f068e50), c)
^  Call: (237) [user] is_delimiter(c)
   Call: (238) [system] char_type(c, space)
   Fail: (238) [system] char_type(c, space)
   Call: (238) [system] arg(_1798758, v('(', ')', end_of_file), c)
   Fail: (238) [system] arg(_1799690, v('(', ')', end_of_file), c)
^  Fail: (237) [user] is_delimiter(c)
   Call: (237) [system] ')'==c
   Fail: (237) [system] ')'==c
   Call: (237) [system] get_char((0x55772f068e50), c)
   Exit: (237) [system] get_char((0x55772f068e50), c)
   Call: (237) [system] c=(\)
   Fail: (237) [system] c=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _1807040)
   Call: (238) [system] peek_char((0x55772f068e50), _1807974)
   Exit: (238) [system] peek_char((0x55772f068e50), t)
^  Call: (238) [user] is_delimiter(t)
   Call: (239) [system] char_type(t, space)
   Fail: (239) [system] char_type(t, space)
   Call: (239) [system] arg(_1812694, v('(', ')', end_of_file), t)
   Fail: (239) [system] arg(_1813626, v('(', ')', end_of_file), t)
^  Fail: (238) [user] is_delimiter(t)
   Call: (238) [system] ')'==t
   Fail: (238) [system] ')'==t
   Call: (238) [system] get_char((0x55772f068e50), t)
   Exit: (238) [system] get_char((0x55772f068e50), t)
   Call: (238) [system] t=(\)
   Fail: (238) [system] t=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _1820976)
   Call: (239) [system] peek_char((0x55772f068e50), _1821910)
   Exit: (239) [system] peek_char((0x55772f068e50), i)
^  Call: (239) [user] is_delimiter(i)
   Call: (240) [system] char_type(i, space)
   Fail: (240) [system] char_type(i, space)
   Call: (240) [system] arg(_1826630, v('(', ')', end_of_file), i)
   Fail: (240) [system] arg(_1827562, v('(', ')', end_of_file), i)
^  Fail: (239) [user] is_delimiter(i)
   Call: (239) [system] ')'==i
   Fail: (239) [system] ')'==i
   Call: (239) [system] get_char((0x55772f068e50), i)
   Exit: (239) [system] get_char((0x55772f068e50), i)
   Call: (239) [system] i=(\)
   Fail: (239) [system] i=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _1834912)
   Call: (240) [system] peek_char((0x55772f068e50), _1835846)
   Exit: (240) [system] peek_char((0x55772f068e50), o)
^  Call: (240) [user] is_delimiter(o)
   Call: (241) [system] char_type(o, space)
   Fail: (241) [system] char_type(o, space)
   Call: (241) [system] arg(_1840566, v('(', ')', end_of_file), o)
   Fail: (241) [system] arg(_1841498, v('(', ')', end_of_file), o)
^  Fail: (240) [user] is_delimiter(o)
   Call: (240) [system] ')'==o
   Fail: (240) [system] ')'==o
   Call: (240) [system] get_char((0x55772f068e50), o)
   Exit: (240) [system] get_char((0x55772f068e50), o)
   Call: (240) [system] o=(\)
   Fail: (240) [system] o=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _1848848)
   Call: (241) [system] peek_char((0x55772f068e50), _1849782)
   Exit: (241) [system] peek_char((0x55772f068e50), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Fail: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_1854502, v('(', ')', end_of_file), n)
   Fail: (242) [system] arg(_1855434, v('(', ')', end_of_file), n)
^  Fail: (241) [user] is_delimiter(n)
   Call: (241) [system] ')'==n
   Fail: (241) [system] ')'==n
   Call: (241) [system] get_char((0x55772f068e50), n)
   Exit: (241) [system] get_char((0x55772f068e50), n)
   Call: (241) [system] n=(\)
   Fail: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x55772f068e50), _1862784)
   Call: (242) [system] peek_char((0x55772f068e50), _1863718)
   Exit: (242) [system] peek_char((0x55772f068e50), 'I')
^  Call: (242) [user] is_delimiter('I')
   Call: (243) [system] char_type('I', space)
   Fail: (243) [system] char_type('I', space)
   Call: (243) [system] arg(_1868438, v('(', ')', end_of_file), 'I')
   Fail: (243) [system] arg(_1869370, v('(', ')', end_of_file), 'I')
^  Fail: (242) [user] is_delimiter('I')
   Call: (242) [system] ')'=='I'
   Fail: (242) [system] ')'=='I'
   Call: (242) [system] get_char((0x55772f068e50), 'I')
   Exit: (242) [system] get_char((0x55772f068e50), 'I')
   Call: (242) [system] 'I'=(\)
   Fail: (242) [system] 'I'=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x55772f068e50), _1876720)
   Call: (243) [system] peek_char((0x55772f068e50), _1877654)
   Exit: (243) [system] peek_char((0x55772f068e50), n)
^  Call: (243) [user] is_delimiter(n)
   Call: (244) [system] char_type(n, space)
   Fail: (244) [system] char_type(n, space)
   Call: (244) [system] arg(_1882374, v('(', ')', end_of_file), n)
   Fail: (244) [system] arg(_1883306, v('(', ')', end_of_file), n)
^  Fail: (243) [user] is_delimiter(n)
   Call: (243) [system] ')'==n
   Fail: (243) [system] ')'==n
   Call: (243) [system] get_char((0x55772f068e50), n)
   Exit: (243) [system] get_char((0x55772f068e50), n)
   Call: (243) [system] n=(\)
   Fail: (243) [system] n=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x55772f068e50), _1890656)
   Call: (244) [system] peek_char((0x55772f068e50), _1891590)
   Exit: (244) [system] peek_char((0x55772f068e50), t)
^  Call: (244) [user] is_delimiter(t)
   Call: (245) [system] char_type(t, space)
   Fail: (245) [system] char_type(t, space)
   Call: (245) [system] arg(_1896310, v('(', ')', end_of_file), t)
   Fail: (245) [system] arg(_1897242, v('(', ')', end_of_file), t)
^  Fail: (244) [user] is_delimiter(t)
   Call: (244) [system] ')'==t
   Fail: (244) [system] ')'==t
   Call: (244) [system] get_char((0x55772f068e50), t)
   Exit: (244) [system] get_char((0x55772f068e50), t)
   Call: (244) [system] t=(\)
   Fail: (244) [system] t=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x55772f068e50), _1904592)
   Call: (245) [system] peek_char((0x55772f068e50), _1905526)
   Exit: (245) [system] peek_char((0x55772f068e50), r)
^  Call: (245) [user] is_delimiter(r)
   Call: (246) [system] char_type(r, space)
   Fail: (246) [system] char_type(r, space)
   Call: (246) [system] arg(_1910246, v('(', ')', end_of_file), r)
   Fail: (246) [system] arg(_1911178, v('(', ')', end_of_file), r)
^  Fail: (245) [user] is_delimiter(r)
   Call: (245) [system] ')'==r
   Fail: (245) [system] ')'==r
   Call: (245) [system] get_char((0x55772f068e50), r)
   Exit: (245) [system] get_char((0x55772f068e50), r)
   Call: (245) [system] r=(\)
   Fail: (245) [system] r=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x55772f068e50), _1918528)
   Call: (246) [system] peek_char((0x55772f068e50), _1919462)
   Exit: (246) [system] peek_char((0x55772f068e50), o)
^  Call: (246) [user] is_delimiter(o)
   Call: (247) [system] char_type(o, space)
   Fail: (247) [system] char_type(o, space)
   Call: (247) [system] arg(_1924182, v('(', ')', end_of_file), o)
   Fail: (247) [system] arg(_1925114, v('(', ')', end_of_file), o)
^  Fail: (246) [user] is_delimiter(o)
   Call: (246) [system] ')'==o
   Fail: (246) [system] ')'==o
   Call: (246) [system] get_char((0x55772f068e50), o)
   Exit: (246) [system] get_char((0x55772f068e50), o)
   Call: (246) [system] o=(\)
   Fail: (246) [system] o=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x55772f068e50), _1932464)
   Call: (247) [system] peek_char((0x55772f068e50), _1933398)
   Exit: (247) [system] peek_char((0x55772f068e50), d)
^  Call: (247) [user] is_delimiter(d)
   Call: (248) [system] char_type(d, space)
   Fail: (248) [system] char_type(d, space)
   Call: (248) [system] arg(_1938118, v('(', ')', end_of_file), d)
   Fail: (248) [system] arg(_1939050, v('(', ')', end_of_file), d)
^  Fail: (247) [user] is_delimiter(d)
   Call: (247) [system] ')'==d
   Fail: (247) [system] ')'==d
   Call: (247) [system] get_char((0x55772f068e50), d)
   Exit: (247) [system] get_char((0x55772f068e50), d)
   Call: (247) [system] d=(\)
   Fail: (247) [system] d=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x55772f068e50), _1946400)
   Call: (248) [system] peek_char((0x55772f068e50), _1947334)
   Exit: (248) [system] peek_char((0x55772f068e50), u)
^  Call: (248) [user] is_delimiter(u)
   Call: (249) [system] char_type(u, space)
   Fail: (249) [system] char_type(u, space)
   Call: (249) [system] arg(_1952054, v('(', ')', end_of_file), u)
   Fail: (249) [system] arg(_1952986, v('(', ')', end_of_file), u)
^  Fail: (248) [user] is_delimiter(u)
   Call: (248) [system] ')'==u
   Fail: (248) [system] ')'==u
   Call: (248) [system] get_char((0x55772f068e50), u)
   Exit: (248) [system] get_char((0x55772f068e50), u)
   Call: (248) [system] u=(\)
   Fail: (248) [system] u=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x55772f068e50), _1960336)
   Call: (249) [system] peek_char((0x55772f068e50), _1961270)
   Exit: (249) [system] peek_char((0x55772f068e50), c)
^  Call: (249) [user] is_delimiter(c)
   Call: (250) [system] char_type(c, space)
   Fail: (250) [system] char_type(c, space)
   Call: (250) [system] arg(_1965990, v('(', ')', end_of_file), c)
   Fail: (250) [system] arg(_1966922, v('(', ')', end_of_file), c)
^  Fail: (249) [user] is_delimiter(c)
   Call: (249) [system] ')'==c
   Fail: (249) [system] ')'==c
   Call: (249) [system] get_char((0x55772f068e50), c)
   Exit: (249) [system] get_char((0x55772f068e50), c)
   Call: (249) [system] c=(\)
   Fail: (249) [system] c=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x55772f068e50), _1974272)
   Call: (250) [system] peek_char((0x55772f068e50), _1975206)
   Exit: (250) [system] peek_char((0x55772f068e50), t)
^  Call: (250) [user] is_delimiter(t)
   Call: (251) [system] char_type(t, space)
   Fail: (251) [system] char_type(t, space)
   Call: (251) [system] arg(_1979926, v('(', ')', end_of_file), t)
   Fail: (251) [system] arg(_1980858, v('(', ')', end_of_file), t)
^  Fail: (250) [user] is_delimiter(t)
   Call: (250) [system] ')'==t
   Fail: (250) [system] ')'==t
   Call: (250) [system] get_char((0x55772f068e50), t)
   Exit: (250) [system] get_char((0x55772f068e50), t)
   Call: (250) [system] t=(\)
   Fail: (250) [system] t=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x55772f068e50), _1988208)
   Call: (251) [system] peek_char((0x55772f068e50), _1989142)
   Exit: (251) [system] peek_char((0x55772f068e50), i)
^  Call: (251) [user] is_delimiter(i)
   Call: (252) [system] char_type(i, space)
   Fail: (252) [system] char_type(i, space)
   Call: (252) [system] arg(_1993862, v('(', ')', end_of_file), i)
   Fail: (252) [system] arg(_1994794, v('(', ')', end_of_file), i)
^  Fail: (251) [user] is_delimiter(i)
   Call: (251) [system] ')'==i
   Fail: (251) [system] ')'==i
   Call: (251) [system] get_char((0x55772f068e50), i)
   Exit: (251) [system] get_char((0x55772f068e50), i)
   Call: (251) [system] i=(\)
   Fail: (251) [system] i=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x55772f068e50), _2002144)
   Call: (252) [system] peek_char((0x55772f068e50), _2003078)
   Exit: (252) [system] peek_char((0x55772f068e50), o)
^  Call: (252) [user] is_delimiter(o)
   Call: (253) [system] char_type(o, space)
   Fail: (253) [system] char_type(o, space)
   Call: (253) [system] arg(_2007798, v('(', ')', end_of_file), o)
   Fail: (253) [system] arg(_2008730, v('(', ')', end_of_file), o)
^  Fail: (252) [user] is_delimiter(o)
   Call: (252) [system] ')'==o
   Fail: (252) [system] ')'==o
   Call: (252) [system] get_char((0x55772f068e50), o)
   Exit: (252) [system] get_char((0x55772f068e50), o)
   Call: (252) [system] o=(\)
   Fail: (252) [system] o=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x55772f068e50), _2016080)
   Call: (253) [system] peek_char((0x55772f068e50), _2017014)
   Exit: (253) [system] peek_char((0x55772f068e50), n)
^  Call: (253) [user] is_delimiter(n)
   Call: (254) [system] char_type(n, space)
   Fail: (254) [system] char_type(n, space)
   Call: (254) [system] arg(_2021734, v('(', ')', end_of_file), n)
   Fail: (254) [system] arg(_2022666, v('(', ')', end_of_file), n)
^  Fail: (253) [user] is_delimiter(n)
   Call: (253) [system] ')'==n
   Fail: (253) [system] ')'==n
   Call: (253) [system] get_char((0x55772f068e50), n)
   Exit: (253) [system] get_char((0x55772f068e50), n)
   Call: (253) [system] n=(\)
   Fail: (253) [system] n=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x55772f068e50), _2030016)
   Call: (254) [system] peek_char((0x55772f068e50), _2030950)
   Exit: (254) [system] peek_char((0x55772f068e50), ' ')
^  Call: (254) [user] is_delimiter(' ')
   Call: (255) [system] char_type(' ', space)
   Exit: (255) [system] char_type(' ', space)
^  Exit: (254) [user] is_delimiter(' ')
   Call: (254) [system] _2030016=[]
   Exit: (254) [system] []=[]
^  Exit: (253) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (253) [system] _2016080=[n]
   Exit: (253) [system] [n]=[n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (252) [system] _2002144=[o, n]
   Exit: (252) [system] [o, n]=[o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (251) [system] _1988208=[i, o, n]
   Exit: (251) [system] [i, o, n]=[i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (250) [system] _1974272=[t, i, o, n]
   Exit: (250) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (249) [system] _1960336=[c, t, i, o, n]
   Exit: (249) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (248) [system] _1946400=[u, c, t, i, o, n]
   Exit: (248) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (247) [system] _1932464=[d, u, c, t, i, o, n]
   Exit: (247) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (246) [system] _1918528=[o, d, u, c, t, i, o, n]
   Exit: (246) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (245) [system] _1904592=[r, o, d, u, c, t, i, o, n]
   Exit: (245) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (244) [system] _1890656=[t, r, o, d, u, c, t, i, o, n]
   Exit: (244) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (243) [system] _1876720=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _1862784=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _1848848=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _1834912=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _1820976=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _1807040=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _1793104=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1779168=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1765232=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1751296=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1737360=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _6596=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (231) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _6592)
^  Call: (232) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _11744)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_12696, _12698), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _11744), _12678, fail)), '$restore_trace'(_12696, _12698))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_12696, _12698))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _11744), _12678, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_11744)
   Fail: (233) [system] atomic(_11744)
   Call: (233) [system] atom_chars(_11744, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (233) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (232) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (232) [system] integer('DisjunctionIntroduction')
   Fail: (232) [system] integer('DisjunctionIntroduction')
   Call: (232) [system] _6592='DisjunctionIntroduction'
   Exit: (232) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (231) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (230) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (229) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (229) [user] read_list(')', (0x55772f068e50), _26694)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _28552)
   Exit: (231) [system] peek_char((0x55772f068e50), ' ')
   Call: (231) [system] ' '=(;)
   Fail: (231) [system] ' '=(;)
   Call: (231) [system] ' '=(/)
   Fail: (231) [system] ' '=(/)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x55772f068e50), _38146)
   Exit: (231) [system] get_char((0x55772f068e50), ' ')
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _40850)
   Exit: (232) [system] peek_char((0x55772f068e50), a)
   Call: (232) [system] a=(;)
   Fail: (232) [system] a=(;)
   Call: (232) [system] a=(/)
   Fail: (232) [system] a=(/)
^  Call: (232) [user] is_like_space(a)
   Call: (233) [system] char_type(a, 'white')
   Fail: (233) [system] char_type(a, 'white')
   Call: (233) [system] char_type(a, end_of_line)
   Fail: (233) [system] char_type(a, end_of_line)
   Call: (233) [system] char_type(a, space)
   Fail: (233) [system] char_type(a, space)
   Call: (233) [system] char_type(a, cntrl)
   Fail: (233) [system] char_type(a, cntrl)
^  Fail: (232) [user] is_like_space(a)
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _57784)
   Exit: (230) [system] peek_char((0x55772f068e50), a)
   Call: (230) [system] a=')'
   Fail: (230) [system] a=')'
   Call: (230) [system] a=end_of_file
   Fail: (230) [system] a=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x55772f068e50), _63354)
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _65212)
   Exit: (232) [system] peek_char((0x55772f068e50), a)
   Call: (232) [system] a=(;)
   Fail: (232) [system] a=(;)
   Call: (232) [system] a=(/)
   Fail: (232) [system] a=(/)
^  Call: (232) [user] is_like_space(a)
   Call: (233) [system] char_type(a, 'white')
   Fail: (233) [system] char_type(a, 'white')
   Call: (233) [system] char_type(a, end_of_line)
   Fail: (233) [system] char_type(a, end_of_line)
   Call: (233) [system] char_type(a, space)
   Fail: (233) [system] char_type(a, space)
   Call: (233) [system] char_type(a, cntrl)
   Fail: (233) [system] char_type(a, cntrl)
^  Fail: (232) [user] is_like_space(a)
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] get_char((0x55772f068e50), _81222)
   Exit: (231) [system] get_char((0x55772f068e50), a)
   Call: (231) [system] a='('
   Fail: (231) [system] a='('
   Call: (231) [system] a='['
   Fail: (231) [system] a='['
   Call: (231) [system] a='{'
   Fail: (231) [system] a='{'
   Call: (231) [system] a='"'
   Fail: (231) [system] a='"'
   Call: (231) [system] a=!
   Fail: (231) [system] a=!
   Call: (231) [system] a='\''
   Fail: (231) [system] a='\''
   Call: (231) [system] a='`'
   Fail: (231) [system] a='`'
   Call: (231) [system] a=end_of_file
   Fail: (231) [system] a=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x55772f068e50), a, _63354)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _98864)
   Call: (233) [system] peek_char((0x55772f068e50), _99798)
   Exit: (233) [system] peek_char((0x55772f068e50), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _98864=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (232) [user] classify_and_convert_charseq([a], _63354)
^  Call: (233) [user] classify_and_convert_charseq_([a], _109082)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_110034, _110036), once(user:catch(read_from_chars([a], _109082), _110016, fail)), '$restore_trace'(_110034, _110036))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_110034, _110036))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _110016, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(a)
   Exit: (234) [system] atomic(a)
^  Exit: (233) [user] classify_and_convert_charseq_([a], a)
   Call: (233) [system] integer(a)
   Fail: (233) [system] integer(a)
   Call: (233) [system] _63354=a
   Exit: (233) [system] a=a
^  Exit: (232) [user] classify_and_convert_charseq([a], a)
^  Exit: (231) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (230) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (230) [user] read_list(')', (0x55772f068e50), _122162)
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _124020)
   Exit: (232) [system] peek_char((0x55772f068e50), ' ')
   Call: (232) [system] ' '=(;)
   Fail: (232) [system] ' '=(;)
   Call: (232) [system] ' '=(/)
   Fail: (232) [system] ' '=(/)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x55772f068e50), _133614)
   Exit: (232) [system] get_char((0x55772f068e50), ' ')
^  Call: (232) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _136318)
   Exit: (233) [system] peek_char((0x55772f068e50), a)
   Call: (233) [system] a=(;)
   Fail: (233) [system] a=(;)
   Call: (233) [system] a=(/)
   Fail: (233) [system] a=(/)
^  Call: (233) [user] is_like_space(a)
   Call: (234) [system] char_type(a, 'white')
   Fail: (234) [system] char_type(a, 'white')
   Call: (234) [system] char_type(a, end_of_line)
   Fail: (234) [system] char_type(a, end_of_line)
   Call: (234) [system] char_type(a, space)
   Fail: (234) [system] char_type(a, space)
   Call: (234) [system] char_type(a, cntrl)
   Fail: (234) [system] char_type(a, cntrl)
^  Fail: (233) [user] is_like_space(a)
^  Exit: (232) [user] skip_spaces((0x55772f068e50))
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _153252)
   Exit: (231) [system] peek_char((0x55772f068e50), a)
   Call: (231) [system] a=')'
   Fail: (231) [system] a=')'
   Call: (231) [system] a=end_of_file
   Fail: (231) [system] a=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x55772f068e50), _158822)
^  Call: (232) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _160680)
   Exit: (233) [system] peek_char((0x55772f068e50), a)
   Call: (233) [system] a=(;)
   Fail: (233) [system] a=(;)
   Call: (233) [system] a=(/)
   Fail: (233) [system] a=(/)
^  Call: (233) [user] is_like_space(a)
   Call: (234) [system] char_type(a, 'white')
   Fail: (234) [system] char_type(a, 'white')
   Call: (234) [system] char_type(a, end_of_line)
   Fail: (234) [system] char_type(a, end_of_line)
   Call: (234) [system] char_type(a, space)
   Fail: (234) [system] char_type(a, space)
   Call: (234) [system] char_type(a, cntrl)
   Fail: (234) [system] char_type(a, cntrl)
^  Fail: (233) [user] is_like_space(a)
^  Exit: (232) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] get_char((0x55772f068e50), _176690)
   Exit: (232) [system] get_char((0x55772f068e50), a)
   Call: (232) [system] a='('
   Fail: (232) [system] a='('
   Call: (232) [system] a='['
   Fail: (232) [system] a='['
   Call: (232) [system] a='{'
   Fail: (232) [system] a='{'
   Call: (232) [system] a='"'
   Fail: (232) [system] a='"'
   Call: (232) [system] a=!
   Fail: (232) [system] a=!
   Call: (232) [system] a='\''
   Fail: (232) [system] a='\''
   Call: (232) [system] a='`'
   Fail: (232) [system] a='`'
   Call: (232) [system] a=end_of_file
   Fail: (232) [system] a=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x55772f068e50), a, _158822)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _194332)
   Call: (234) [system] peek_char((0x55772f068e50), _195266)
   Exit: (234) [system] peek_char((0x55772f068e50), ')')
^  Call: (234) [user] is_delimiter(')')
   Call: (235) [system] char_type(')', space)
   Fail: (235) [system] char_type(')', space)
   Call: (235) [system] arg(_199986, v('(', ')', end_of_file), ')')
   Exit: (235) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (234) [user] is_delimiter(')')
   Call: (234) [system] _194332=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (233) [user] classify_and_convert_charseq([a], _158822)
^  Call: (234) [user] classify_and_convert_charseq_([a], _206422)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_207374, _207376), once(user:catch(read_from_chars([a], _206422), _207356, fail)), '$restore_trace'(_207374, _207376))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_207374, _207376))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _207356, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(a)
   Exit: (235) [system] atomic(a)
^  Exit: (234) [user] classify_and_convert_charseq_([a], a)
   Call: (234) [system] integer(a)
   Fail: (234) [system] integer(a)
   Call: (234) [system] _158822=a
   Exit: (234) [system] a=a
^  Exit: (233) [user] classify_and_convert_charseq([a], a)
^  Exit: (232) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (231) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (231) [user] read_list(')', (0x55772f068e50), _219502)
^  Call: (232) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _221360)
   Exit: (233) [system] peek_char((0x55772f068e50), ')')
   Call: (233) [system] ')'=(;)
   Fail: (233) [system] ')'=(;)
   Call: (233) [system] ')'=(/)
   Fail: (233) [system] ')'=(/)
^  Call: (233) [user] is_like_space(')')
   Call: (234) [system] char_type(')', 'white')
   Fail: (234) [system] char_type(')', 'white')
   Call: (234) [system] char_type(')', end_of_line)
   Fail: (234) [system] char_type(')', end_of_line)
   Call: (234) [system] char_type(')', space)
   Fail: (234) [system] char_type(')', space)
   Call: (234) [system] char_type(')', cntrl)
   Fail: (234) [system] char_type(')', cntrl)
^  Fail: (233) [user] is_like_space(')')
^  Exit: (232) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _237370)
   Exit: (232) [system] peek_char((0x55772f068e50), ')')
   Call: (232) [system] ')'=')'
   Exit: (232) [system] ')'=')'
   Call: (232) [system] get_char((0x55772f068e50), _241160)
   Exit: (232) [system] get_char((0x55772f068e50), ')')
   Call: (232) [system] _219502=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_list(')', (0x55772f068e50), [])
   Call: (231) [system] _122162=[a]
   Exit: (231) [system] [a]=[a]
^  Exit: (230) [user] read_list(')', (0x55772f068e50), [a])
   Call: (230) [system] _26694=[a, a]
   Exit: (230) [system] [a, a]=[a, a]
^  Exit: (229) [user] read_list(')', (0x55772f068e50), [a, a])
   Call: (229) [system] _6586=['DisjunctionIntroduction', a, a]
   Exit: (229) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (228) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', a, a])
^  Exit: (227) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', a, a])
^  Call: (227) [user] read_list(')', (0x55772f068e50), _255042)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _256900)
   Exit: (229) [system] peek_char((0x55772f068e50), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x55772f068e50), _266494)
   Exit: (229) [system] get_char((0x55772f068e50), ' ')
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _269198)
   Exit: (230) [system] peek_char((0x55772f068e50), '(')
   Call: (230) [system] '('=(;)
   Fail: (230) [system] '('=(;)
   Call: (230) [system] '('=(/)
   Fail: (230) [system] '('=(/)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Fail: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Fail: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Fail: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
   Fail: (231) [system] char_type('(', cntrl)
^  Fail: (230) [user] is_like_space('(')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _286132)
   Exit: (228) [system] peek_char((0x55772f068e50), '(')
   Call: (228) [system] '('=')'
   Fail: (228) [system] '('=')'
   Call: (228) [system] '('=end_of_file
   Fail: (228) [system] '('=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x55772f068e50), _291702)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _293560)
   Exit: (230) [system] peek_char((0x55772f068e50), '(')
   Call: (230) [system] '('=(;)
   Fail: (230) [system] '('=(;)
   Call: (230) [system] '('=(/)
   Fail: (230) [system] '('=(/)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Fail: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Fail: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Fail: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
   Fail: (231) [system] char_type('(', cntrl)
^  Fail: (230) [user] is_like_space('(')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] get_char((0x55772f068e50), _309570)
   Exit: (229) [system] get_char((0x55772f068e50), '(')
   Call: (229) [system] '('='('
   Exit: (229) [system] '('='('
^  Call: (229) [user] read_list(')', (0x55772f068e50), _291702)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _315140)
   Exit: (231) [system] peek_char((0x55772f068e50), 'O')
   Call: (231) [system] 'O'=(;)
   Fail: (231) [system] 'O'=(;)
   Call: (231) [system] 'O'=(/)
   Fail: (231) [system] 'O'=(/)
^  Call: (231) [user] is_like_space('O')
   Call: (232) [system] char_type('O', 'white')
   Fail: (232) [system] char_type('O', 'white')
   Call: (232) [system] char_type('O', end_of_line)
   Fail: (232) [system] char_type('O', end_of_line)
   Call: (232) [system] char_type('O', space)
   Fail: (232) [system] char_type('O', space)
   Call: (232) [system] char_type('O', cntrl)
   Fail: (232) [system] char_type('O', cntrl)
^  Fail: (231) [user] is_like_space('O')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _331150)
   Exit: (230) [system] peek_char((0x55772f068e50), 'O')
   Call: (230) [system] 'O'=')'
   Fail: (230) [system] 'O'=')'
   Call: (230) [system] 'O'=end_of_file
   Fail: (230) [system] 'O'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x55772f068e50), _336720)
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _338578)
   Exit: (232) [system] peek_char((0x55772f068e50), 'O')
   Call: (232) [system] 'O'=(;)
   Fail: (232) [system] 'O'=(;)
   Call: (232) [system] 'O'=(/)
   Fail: (232) [system] 'O'=(/)
^  Call: (232) [user] is_like_space('O')
   Call: (233) [system] char_type('O', 'white')
   Fail: (233) [system] char_type('O', 'white')
   Call: (233) [system] char_type('O', end_of_line)
   Fail: (233) [system] char_type('O', end_of_line)
   Call: (233) [system] char_type('O', space)
   Fail: (233) [system] char_type('O', space)
   Call: (233) [system] char_type('O', cntrl)
   Fail: (233) [system] char_type('O', cntrl)
^  Fail: (232) [user] is_like_space('O')
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] get_char((0x55772f068e50), _354588)
   Exit: (231) [system] get_char((0x55772f068e50), 'O')
   Call: (231) [system] 'O'='('
   Fail: (231) [system] 'O'='('
   Call: (231) [system] 'O'='['
   Fail: (231) [system] 'O'='['
   Call: (231) [system] 'O'='{'
   Fail: (231) [system] 'O'='{'
   Call: (231) [system] 'O'='"'
   Fail: (231) [system] 'O'='"'
   Call: (231) [system] 'O'=!
   Fail: (231) [system] 'O'=!
   Call: (231) [system] 'O'='\''
   Fail: (231) [system] 'O'='\''
   Call: (231) [system] 'O'='`'
   Fail: (231) [system] 'O'='`'
   Call: (231) [system] 'O'=end_of_file
   Fail: (231) [system] 'O'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x55772f068e50), 'O', _336720)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _372230)
   Call: (233) [system] peek_char((0x55772f068e50), _373164)
   Exit: (233) [system] peek_char((0x55772f068e50), r)
^  Call: (233) [user] is_delimiter(r)
   Call: (234) [system] char_type(r, space)
   Fail: (234) [system] char_type(r, space)
   Call: (234) [system] arg(_377884, v('(', ')', end_of_file), r)
   Fail: (234) [system] arg(_378816, v('(', ')', end_of_file), r)
^  Fail: (233) [user] is_delimiter(r)
   Call: (233) [system] ')'==r
   Fail: (233) [system] ')'==r
   Call: (233) [system] get_char((0x55772f068e50), r)
   Exit: (233) [system] get_char((0x55772f068e50), r)
   Call: (233) [system] r=(\)
   Fail: (233) [system] r=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _386166)
   Call: (234) [system] peek_char((0x55772f068e50), _387100)
   Exit: (234) [system] peek_char((0x55772f068e50), 'L')
^  Call: (234) [user] is_delimiter('L')
   Call: (235) [system] char_type('L', space)
   Fail: (235) [system] char_type('L', space)
   Call: (235) [system] arg(_391820, v('(', ')', end_of_file), 'L')
   Fail: (235) [system] arg(_392752, v('(', ')', end_of_file), 'L')
^  Fail: (234) [user] is_delimiter('L')
   Call: (234) [system] ')'=='L'
   Fail: (234) [system] ')'=='L'
   Call: (234) [system] get_char((0x55772f068e50), 'L')
   Exit: (234) [system] get_char((0x55772f068e50), 'L')
   Call: (234) [system] 'L'=(\)
   Fail: (234) [system] 'L'=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _400102)
   Call: (235) [system] peek_char((0x55772f068e50), _401036)
   Exit: (235) [system] peek_char((0x55772f068e50), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Fail: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_405756, v('(', ')', end_of_file), i)
   Fail: (236) [system] arg(_406688, v('(', ')', end_of_file), i)
^  Fail: (235) [user] is_delimiter(i)
   Call: (235) [system] ')'==i
   Fail: (235) [system] ')'==i
   Call: (235) [system] get_char((0x55772f068e50), i)
   Exit: (235) [system] get_char((0x55772f068e50), i)
   Call: (235) [system] i=(\)
   Fail: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _414038)
   Call: (236) [system] peek_char((0x55772f068e50), _414972)
   Exit: (236) [system] peek_char((0x55772f068e50), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_419692, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_420624, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x55772f068e50), n)
   Exit: (236) [system] get_char((0x55772f068e50), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _427974)
   Call: (237) [system] peek_char((0x55772f068e50), _428908)
   Exit: (237) [system] peek_char((0x55772f068e50), k)
^  Call: (237) [user] is_delimiter(k)
   Call: (238) [system] char_type(k, space)
   Fail: (238) [system] char_type(k, space)
   Call: (238) [system] arg(_433628, v('(', ')', end_of_file), k)
   Fail: (238) [system] arg(_434560, v('(', ')', end_of_file), k)
^  Fail: (237) [user] is_delimiter(k)
   Call: (237) [system] ')'==k
   Fail: (237) [system] ')'==k
   Call: (237) [system] get_char((0x55772f068e50), k)
   Exit: (237) [system] get_char((0x55772f068e50), k)
   Call: (237) [system] k=(\)
   Fail: (237) [system] k=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _441910)
   Call: (238) [system] peek_char((0x55772f068e50), _442844)
   Exit: (238) [system] peek_char((0x55772f068e50), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _441910=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (237) [system] _427974=[k]
   Exit: (237) [system] [k]=[k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (236) [system] _414038=[n, k]
   Exit: (236) [system] [n, k]=[n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (235) [system] _400102=[i, n, k]
   Exit: (235) [system] [i, n, k]=[i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (234) [system] _386166=['L', i, n, k]
   Exit: (234) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (233) [system] _372230=[r, 'L', i, n, k]
   Exit: (233) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (232) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _336720)
^  Call: (233) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _466098)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_467050, _467052), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _466098), _467032, fail)), '$restore_trace'(_467050, _467052))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_467050, _467052))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _466098), _467032, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_466098)
   Fail: (234) [system] atomic(_466098)
   Call: (234) [system] atom_chars(_466098, ['O', r, 'L', i, n, k])
   Exit: (234) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (233) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (233) [system] integer('OrLink')
   Fail: (233) [system] integer('OrLink')
   Call: (233) [system] _336720='OrLink'
   Exit: (233) [system] 'OrLink'='OrLink'
^  Exit: (232) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (231) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (230) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (230) [user] read_list(')', (0x55772f068e50), _481048)
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _482906)
   Exit: (232) [system] peek_char((0x55772f068e50), ' ')
   Call: (232) [system] ' '=(;)
   Fail: (232) [system] ' '=(;)
   Call: (232) [system] ' '=(/)
   Fail: (232) [system] ' '=(/)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x55772f068e50), _492500)
   Exit: (232) [system] get_char((0x55772f068e50), ' ')
^  Call: (232) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _495204)
   Exit: (233) [system] peek_char((0x55772f068e50), 'B')
   Call: (233) [system] 'B'=(;)
   Fail: (233) [system] 'B'=(;)
   Call: (233) [system] 'B'=(/)
   Fail: (233) [system] 'B'=(/)
^  Call: (233) [user] is_like_space('B')
   Call: (234) [system] char_type('B', 'white')
   Fail: (234) [system] char_type('B', 'white')
   Call: (234) [system] char_type('B', end_of_line)
   Fail: (234) [system] char_type('B', end_of_line)
   Call: (234) [system] char_type('B', space)
   Fail: (234) [system] char_type('B', space)
   Call: (234) [system] char_type('B', cntrl)
   Fail: (234) [system] char_type('B', cntrl)
^  Fail: (233) [user] is_like_space('B')
^  Exit: (232) [user] skip_spaces((0x55772f068e50))
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _512138)
   Exit: (231) [system] peek_char((0x55772f068e50), 'B')
   Call: (231) [system] 'B'=')'
   Fail: (231) [system] 'B'=')'
   Call: (231) [system] 'B'=end_of_file
   Fail: (231) [system] 'B'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x55772f068e50), _517708)
^  Call: (232) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _519566)
   Exit: (233) [system] peek_char((0x55772f068e50), 'B')
   Call: (233) [system] 'B'=(;)
   Fail: (233) [system] 'B'=(;)
   Call: (233) [system] 'B'=(/)
   Fail: (233) [system] 'B'=(/)
^  Call: (233) [user] is_like_space('B')
   Call: (234) [system] char_type('B', 'white')
   Fail: (234) [system] char_type('B', 'white')
   Call: (234) [system] char_type('B', end_of_line)
   Fail: (234) [system] char_type('B', end_of_line)
   Call: (234) [system] char_type('B', space)
   Fail: (234) [system] char_type('B', space)
   Call: (234) [system] char_type('B', cntrl)
   Fail: (234) [system] char_type('B', cntrl)
^  Fail: (233) [user] is_like_space('B')
^  Exit: (232) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] get_char((0x55772f068e50), _535576)
   Exit: (232) [system] get_char((0x55772f068e50), 'B')
   Call: (232) [system] 'B'='('
   Fail: (232) [system] 'B'='('
   Call: (232) [system] 'B'='['
   Fail: (232) [system] 'B'='['
   Call: (232) [system] 'B'='{'
   Fail: (232) [system] 'B'='{'
   Call: (232) [system] 'B'='"'
   Fail: (232) [system] 'B'='"'
   Call: (232) [system] 'B'=!
   Fail: (232) [system] 'B'=!
   Call: (232) [system] 'B'='\''
   Fail: (232) [system] 'B'='\''
   Call: (232) [system] 'B'='`'
   Fail: (232) [system] 'B'='`'
   Call: (232) [system] 'B'=end_of_file
   Fail: (232) [system] 'B'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x55772f068e50), 'B', _517708)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _553218)
   Call: (234) [system] peek_char((0x55772f068e50), _554152)
   Exit: (234) [system] peek_char((0x55772f068e50), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _553218=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (233) [user] classify_and_convert_charseq(['B'], _517708)
^  Call: (234) [user] classify_and_convert_charseq_(['B'], _563436)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_564388, _564390), once(user:catch(read_from_chars(['B'], _563436), _564370, fail)), '$restore_trace'(_564388, _564390))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_564388, _564390))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _563436), _564370, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_563436)
   Fail: (235) [system] atomic(_563436)
   Call: (235) [system] atom_chars(_563436, ['B'])
   Exit: (235) [system] atom_chars('B', ['B'])
^  Exit: (234) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (234) [system] integer('B')
   Fail: (234) [system] integer('B')
   Call: (234) [system] _517708='B'
   Exit: (234) [system] 'B'='B'
^  Exit: (233) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (232) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (231) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (231) [user] read_list(')', (0x55772f068e50), _578386)
^  Call: (232) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _580244)
   Exit: (233) [system] peek_char((0x55772f068e50), ' ')
   Call: (233) [system] ' '=(;)
   Fail: (233) [system] ' '=(;)
   Call: (233) [system] ' '=(/)
   Fail: (233) [system] ' '=(/)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x55772f068e50), _589838)
   Exit: (233) [system] get_char((0x55772f068e50), ' ')
^  Call: (233) [user] skip_spaces((0x55772f068e50))
   Call: (234) [system] peek_char((0x55772f068e50), _592542)
   Exit: (234) [system] peek_char((0x55772f068e50), 'A')
   Call: (234) [system] 'A'=(;)
   Fail: (234) [system] 'A'=(;)
   Call: (234) [system] 'A'=(/)
   Fail: (234) [system] 'A'=(/)
^  Call: (234) [user] is_like_space('A')
   Call: (235) [system] char_type('A', 'white')
   Fail: (235) [system] char_type('A', 'white')
   Call: (235) [system] char_type('A', end_of_line)
   Fail: (235) [system] char_type('A', end_of_line)
   Call: (235) [system] char_type('A', space)
   Fail: (235) [system] char_type('A', space)
   Call: (235) [system] char_type('A', cntrl)
   Fail: (235) [system] char_type('A', cntrl)
^  Fail: (234) [user] is_like_space('A')
^  Exit: (233) [user] skip_spaces((0x55772f068e50))
^  Exit: (232) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _609476)
   Exit: (232) [system] peek_char((0x55772f068e50), 'A')
   Call: (232) [system] 'A'=')'
   Fail: (232) [system] 'A'=')'
   Call: (232) [system] 'A'=end_of_file
   Fail: (232) [system] 'A'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x55772f068e50), _615046)
^  Call: (233) [user] skip_spaces((0x55772f068e50))
   Call: (234) [system] peek_char((0x55772f068e50), _616904)
   Exit: (234) [system] peek_char((0x55772f068e50), 'A')
   Call: (234) [system] 'A'=(;)
   Fail: (234) [system] 'A'=(;)
   Call: (234) [system] 'A'=(/)
   Fail: (234) [system] 'A'=(/)
^  Call: (234) [user] is_like_space('A')
   Call: (235) [system] char_type('A', 'white')
   Fail: (235) [system] char_type('A', 'white')
   Call: (235) [system] char_type('A', end_of_line)
   Fail: (235) [system] char_type('A', end_of_line)
   Call: (235) [system] char_type('A', space)
   Fail: (235) [system] char_type('A', space)
   Call: (235) [system] char_type('A', cntrl)
   Fail: (235) [system] char_type('A', cntrl)
^  Fail: (234) [user] is_like_space('A')
^  Exit: (233) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] get_char((0x55772f068e50), _632914)
   Exit: (233) [system] get_char((0x55772f068e50), 'A')
   Call: (233) [system] 'A'='('
   Fail: (233) [system] 'A'='('
   Call: (233) [system] 'A'='['
   Fail: (233) [system] 'A'='['
   Call: (233) [system] 'A'='{'
   Fail: (233) [system] 'A'='{'
   Call: (233) [system] 'A'='"'
   Fail: (233) [system] 'A'='"'
   Call: (233) [system] 'A'=!
   Fail: (233) [system] 'A'=!
   Call: (233) [system] 'A'='\''
   Fail: (233) [system] 'A'='\''
   Call: (233) [system] 'A'='`'
   Fail: (233) [system] 'A'='`'
   Call: (233) [system] 'A'=end_of_file
   Fail: (233) [system] 'A'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x55772f068e50), 'A', _615046)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _650556)
   Call: (235) [system] peek_char((0x55772f068e50), _651490)
   Exit: (235) [system] peek_char((0x55772f068e50), ')')
^  Call: (235) [user] is_delimiter(')')
   Call: (236) [system] char_type(')', space)
   Fail: (236) [system] char_type(')', space)
   Call: (236) [system] arg(_656210, v('(', ')', end_of_file), ')')
   Exit: (236) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (235) [user] is_delimiter(')')
   Call: (235) [system] _650556=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (234) [user] classify_and_convert_charseq(['A'], _615046)
^  Call: (235) [user] classify_and_convert_charseq_(['A'], _662646)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_663598, _663600), once(user:catch(read_from_chars(['A'], _662646), _663580, fail)), '$restore_trace'(_663598, _663600))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_663598, _663600))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _662646), _663580, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(_662646)
   Fail: (236) [system] atomic(_662646)
   Call: (236) [system] atom_chars(_662646, ['A'])
   Exit: (236) [system] atom_chars('A', ['A'])
^  Exit: (235) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (235) [system] integer('A')
   Fail: (235) [system] integer('A')
   Call: (235) [system] _615046='A'
   Exit: (235) [system] 'A'='A'
^  Exit: (234) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (233) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (232) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (232) [user] read_list(')', (0x55772f068e50), _677596)
^  Call: (233) [user] skip_spaces((0x55772f068e50))
   Call: (234) [system] peek_char((0x55772f068e50), _679454)
   Exit: (234) [system] peek_char((0x55772f068e50), ')')
   Call: (234) [system] ')'=(;)
   Fail: (234) [system] ')'=(;)
   Call: (234) [system] ')'=(/)
   Fail: (234) [system] ')'=(/)
^  Call: (234) [user] is_like_space(')')
   Call: (235) [system] char_type(')', 'white')
   Fail: (235) [system] char_type(')', 'white')
   Call: (235) [system] char_type(')', end_of_line)
   Fail: (235) [system] char_type(')', end_of_line)
   Call: (235) [system] char_type(')', space)
   Fail: (235) [system] char_type(')', space)
   Call: (235) [system] char_type(')', cntrl)
   Fail: (235) [system] char_type(')', cntrl)
^  Fail: (234) [user] is_like_space(')')
^  Exit: (233) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _695464)
   Exit: (233) [system] peek_char((0x55772f068e50), ')')
   Call: (233) [system] ')'=')'
   Exit: (233) [system] ')'=')'
   Call: (233) [system] get_char((0x55772f068e50), _699254)
   Exit: (233) [system] get_char((0x55772f068e50), ')')
   Call: (233) [system] _677596=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_list(')', (0x55772f068e50), [])
   Call: (232) [system] _578386=['A']
   Exit: (232) [system] ['A']=['A']
^  Exit: (231) [user] read_list(')', (0x55772f068e50), ['A'])
   Call: (231) [system] _481048=['B', 'A']
   Exit: (231) [system] ['B', 'A']=['B', 'A']
^  Exit: (230) [user] read_list(')', (0x55772f068e50), ['B', 'A'])
   Call: (230) [system] _291702=['OrLink', 'B', 'A']
   Exit: (230) [system] ['OrLink', 'B', 'A']=['OrLink', 'B', 'A']
^  Exit: (229) [user] read_list(')', (0x55772f068e50), ['OrLink', 'B', 'A'])
^  Exit: (228) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'B', 'A'])
^  Call: (228) [user] read_list(')', (0x55772f068e50), _713136)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _714994)
   Exit: (230) [system] peek_char((0x55772f068e50), ')')
   Call: (230) [system] ')'=(;)
   Fail: (230) [system] ')'=(;)
   Call: (230) [system] ')'=(/)
   Fail: (230) [system] ')'=(/)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Fail: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Fail: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
   Fail: (231) [system] char_type(')', cntrl)
^  Fail: (230) [user] is_like_space(')')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _731004)
   Exit: (229) [system] peek_char((0x55772f068e50), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x55772f068e50), _734794)
   Exit: (229) [system] get_char((0x55772f068e50), ')')
   Call: (229) [system] _713136=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x55772f068e50), [])
   Call: (228) [system] _255042=[['OrLink', 'B', 'A']]
   Exit: (228) [system] [['OrLink', 'B', 'A']]=[['OrLink', 'B', 'A']]
^  Exit: (227) [user] read_list(')', (0x55772f068e50), [['OrLink', 'B', 'A']])
   Call: (227) [system] _6582=[['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']]
   Exit: (227) [system] [['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']]=[['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']]
^  Exit: (226) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']])
   Call: (226) [system] _6574=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']]
   Exit: (226) [system] [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']]=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']]
^  Exit: (225) [user] read_list(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']])
^  Exit: (224) [user] cont_sexpr(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']])
^  Call: (224) [user] read_list(')', (0x55772f068e50), _748676)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _750534)
   Exit: (226) [system] peek_char((0x55772f068e50), '\n')
   Call: (226) [system] '\n'=(;)
   Fail: (226) [system] '\n'=(;)
   Call: (226) [system] '\n'=(/)
   Fail: (226) [system] '\n'=(/)
^  Call: (226) [user] is_like_space('\n')
   Call: (227) [system] char_type('\n', 'white')
   Fail: (227) [system] char_type('\n', 'white')
   Call: (227) [system] char_type('\n', end_of_line)
   Exit: (227) [system] char_type('\n', end_of_line)
^  Exit: (226) [user] is_like_space('\n')
   Call: (226) [system] get_char((0x55772f068e50), _761984)
   Exit: (226) [system] get_char((0x55772f068e50), '\n')
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _764688)
   Exit: (227) [system] peek_char((0x55772f068e50), '\t')
   Call: (227) [system] '\t'=(;)
   Fail: (227) [system] '\t'=(;)
   Call: (227) [system] '\t'=(/)
   Fail: (227) [system] '\t'=(/)
^  Call: (227) [user] is_like_space('\t')
   Call: (228) [system] char_type('\t', 'white')
   Exit: (228) [system] char_type('\t', 'white')
^  Exit: (227) [user] is_like_space('\t')
   Call: (227) [system] get_char((0x55772f068e50), _774282)
   Exit: (227) [system] get_char((0x55772f068e50), '\t')
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _776986)
   Exit: (228) [system] peek_char((0x55772f068e50), '\t')
   Call: (228) [system] '\t'=(;)
   Fail: (228) [system] '\t'=(;)
   Call: (228) [system] '\t'=(/)
   Fail: (228) [system] '\t'=(/)
^  Call: (228) [user] is_like_space('\t')
   Call: (229) [system] char_type('\t', 'white')
   Exit: (229) [system] char_type('\t', 'white')
^  Exit: (228) [user] is_like_space('\t')
   Call: (228) [system] get_char((0x55772f068e50), _786580)
   Exit: (228) [system] get_char((0x55772f068e50), '\t')
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _789284)
   Exit: (229) [system] peek_char((0x55772f068e50), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x55772f068e50), _798878)
   Exit: (229) [system] get_char((0x55772f068e50), ' ')
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _801582)
   Exit: (230) [system] peek_char((0x55772f068e50), '(')
   Call: (230) [system] '('=(;)
   Fail: (230) [system] '('=(;)
   Call: (230) [system] '('=(/)
   Fail: (230) [system] '('=(/)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Fail: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Fail: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Fail: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
   Fail: (231) [system] char_type('(', cntrl)
^  Fail: (230) [user] is_like_space('(')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _821288)
   Exit: (225) [system] peek_char((0x55772f068e50), '(')
   Call: (225) [system] '('=')'
   Fail: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
   Fail: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x55772f068e50), _826858)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _828716)
   Exit: (227) [system] peek_char((0x55772f068e50), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] get_char((0x55772f068e50), _844726)
   Exit: (226) [system] get_char((0x55772f068e50), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x55772f068e50), _826858)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _850296)
   Exit: (228) [system] peek_char((0x55772f068e50), :)
   Call: (228) [system] (:)=(;)
   Fail: (228) [system] (:)=(;)
   Call: (228) [system] (:)=(/)
   Fail: (228) [system] (:)=(/)
^  Call: (228) [user] is_like_space(:)
   Call: (229) [system] char_type(:, 'white')
   Fail: (229) [system] char_type(:, 'white')
   Call: (229) [system] char_type(:, end_of_line)
   Fail: (229) [system] char_type(:, end_of_line)
   Call: (229) [system] char_type(:, space)
   Fail: (229) [system] char_type(:, space)
   Call: (229) [system] char_type(:, cntrl)
   Fail: (229) [system] char_type(:, cntrl)
^  Fail: (228) [user] is_like_space(:)
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _866306)
   Exit: (227) [system] peek_char((0x55772f068e50), :)
   Call: (227) [system] (:)=')'
   Fail: (227) [system] (:)=')'
   Call: (227) [system] (:)=end_of_file
   Fail: (227) [system] (:)=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x55772f068e50), _871876)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _873734)
   Exit: (229) [system] peek_char((0x55772f068e50), :)
   Call: (229) [system] (:)=(;)
   Fail: (229) [system] (:)=(;)
   Call: (229) [system] (:)=(/)
   Fail: (229) [system] (:)=(/)
^  Call: (229) [user] is_like_space(:)
   Call: (230) [system] char_type(:, 'white')
   Fail: (230) [system] char_type(:, 'white')
   Call: (230) [system] char_type(:, end_of_line)
   Fail: (230) [system] char_type(:, end_of_line)
   Call: (230) [system] char_type(:, space)
   Fail: (230) [system] char_type(:, space)
   Call: (230) [system] char_type(:, cntrl)
   Fail: (230) [system] char_type(:, cntrl)
^  Fail: (229) [user] is_like_space(:)
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] get_char((0x55772f068e50), _889744)
   Exit: (228) [system] get_char((0x55772f068e50), :)
   Call: (228) [system] (:)='('
   Fail: (228) [system] (:)='('
   Call: (228) [system] (:)='['
   Fail: (228) [system] (:)='['
   Call: (228) [system] (:)='{'
   Fail: (228) [system] (:)='{'
   Call: (228) [system] (:)='"'
   Fail: (228) [system] (:)='"'
   Call: (228) [system] (:)=!
   Fail: (228) [system] (:)=!
   Call: (228) [system] (:)='\''
   Fail: (228) [system] (:)='\''
   Call: (228) [system] (:)='`'
   Fail: (228) [system] (:)='`'
   Call: (228) [system] (:)=end_of_file
   Fail: (228) [system] (:)=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x55772f068e50), :, _871876)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _907386)
   Call: (230) [system] peek_char((0x55772f068e50), _908320)
   Exit: (230) [system] peek_char((0x55772f068e50), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _907386=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (229) [user] classify_and_convert_charseq([:], _871876)
^  Call: (230) [user] classify_and_convert_charseq_([:], _917604)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_918556, _918558), once(user:catch(read_from_chars([:], _917604), _918538, fail)), '$restore_trace'(_918556, _918558))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_918556, _918558))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _918538, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(:)
   Exit: (231) [system] atomic(:)
^  Exit: (230) [user] classify_and_convert_charseq_([:], :)
   Call: (230) [system] integer(:)
   Fail: (230) [system] integer(:)
   Call: (230) [system] _871876=(:)
   Exit: (230) [system] (:)=(:)
^  Exit: (229) [user] classify_and_convert_charseq([:], :)
^  Exit: (228) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (227) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (227) [user] read_list(')', (0x55772f068e50), _930684)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _932542)
   Exit: (229) [system] peek_char((0x55772f068e50), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x55772f068e50), _942136)
   Exit: (229) [system] get_char((0x55772f068e50), ' ')
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _944840)
   Exit: (230) [system] peek_char((0x55772f068e50), '(')
   Call: (230) [system] '('=(;)
   Fail: (230) [system] '('=(;)
   Call: (230) [system] '('=(/)
   Fail: (230) [system] '('=(/)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Fail: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Fail: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Fail: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
   Fail: (231) [system] char_type('(', cntrl)
^  Fail: (230) [user] is_like_space('(')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _961774)
   Exit: (228) [system] peek_char((0x55772f068e50), '(')
   Call: (228) [system] '('=')'
   Fail: (228) [system] '('=')'
   Call: (228) [system] '('=end_of_file
   Fail: (228) [system] '('=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x55772f068e50), _967344)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _969202)
   Exit: (230) [system] peek_char((0x55772f068e50), '(')
   Call: (230) [system] '('=(;)
   Fail: (230) [system] '('=(;)
   Call: (230) [system] '('=(/)
   Fail: (230) [system] '('=(/)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Fail: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Fail: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Fail: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
   Fail: (231) [system] char_type('(', cntrl)
^  Fail: (230) [user] is_like_space('(')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] get_char((0x55772f068e50), _985212)
   Exit: (229) [system] get_char((0x55772f068e50), '(')
   Call: (229) [system] '('='('
   Exit: (229) [system] '('='('
^  Call: (229) [user] read_list(')', (0x55772f068e50), _967344)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _990782)
   Exit: (231) [system] peek_char((0x55772f068e50), 'D')
   Call: (231) [system] 'D'=(;)
   Fail: (231) [system] 'D'=(;)
   Call: (231) [system] 'D'=(/)
   Fail: (231) [system] 'D'=(/)
^  Call: (231) [user] is_like_space('D')
   Call: (232) [system] char_type('D', 'white')
   Fail: (232) [system] char_type('D', 'white')
   Call: (232) [system] char_type('D', end_of_line)
   Fail: (232) [system] char_type('D', end_of_line)
   Call: (232) [system] char_type('D', space)
   Fail: (232) [system] char_type('D', space)
   Call: (232) [system] char_type('D', cntrl)
   Fail: (232) [system] char_type('D', cntrl)
^  Fail: (231) [user] is_like_space('D')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1006792)
   Exit: (230) [system] peek_char((0x55772f068e50), 'D')
   Call: (230) [system] 'D'=')'
   Fail: (230) [system] 'D'=')'
   Call: (230) [system] 'D'=end_of_file
   Fail: (230) [system] 'D'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x55772f068e50), _1012362)
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _1014220)
   Exit: (232) [system] peek_char((0x55772f068e50), 'D')
   Call: (232) [system] 'D'=(;)
   Fail: (232) [system] 'D'=(;)
   Call: (232) [system] 'D'=(/)
   Fail: (232) [system] 'D'=(/)
^  Call: (232) [user] is_like_space('D')
   Call: (233) [system] char_type('D', 'white')
   Fail: (233) [system] char_type('D', 'white')
   Call: (233) [system] char_type('D', end_of_line)
   Fail: (233) [system] char_type('D', end_of_line)
   Call: (233) [system] char_type('D', space)
   Fail: (233) [system] char_type('D', space)
   Call: (233) [system] char_type('D', cntrl)
   Fail: (233) [system] char_type('D', cntrl)
^  Fail: (232) [user] is_like_space('D')
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] get_char((0x55772f068e50), _1030230)
   Exit: (231) [system] get_char((0x55772f068e50), 'D')
   Call: (231) [system] 'D'='('
   Fail: (231) [system] 'D'='('
   Call: (231) [system] 'D'='['
   Fail: (231) [system] 'D'='['
   Call: (231) [system] 'D'='{'
   Fail: (231) [system] 'D'='{'
   Call: (231) [system] 'D'='"'
   Fail: (231) [system] 'D'='"'
   Call: (231) [system] 'D'=!
   Fail: (231) [system] 'D'=!
   Call: (231) [system] 'D'='\''
   Fail: (231) [system] 'D'='\''
   Call: (231) [system] 'D'='`'
   Fail: (231) [system] 'D'='`'
   Call: (231) [system] 'D'=end_of_file
   Fail: (231) [system] 'D'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x55772f068e50), 'D', _1012362)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1047872)
   Call: (233) [system] peek_char((0x55772f068e50), _1048806)
   Exit: (233) [system] peek_char((0x55772f068e50), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_1053526, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_1054458, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x55772f068e50), i)
   Exit: (233) [system] get_char((0x55772f068e50), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1061808)
   Call: (234) [system] peek_char((0x55772f068e50), _1062742)
   Exit: (234) [system] peek_char((0x55772f068e50), s)
^  Call: (234) [user] is_delimiter(s)
   Call: (235) [system] char_type(s, space)
   Fail: (235) [system] char_type(s, space)
   Call: (235) [system] arg(_1067462, v('(', ')', end_of_file), s)
   Fail: (235) [system] arg(_1068394, v('(', ')', end_of_file), s)
^  Fail: (234) [user] is_delimiter(s)
   Call: (234) [system] ')'==s
   Fail: (234) [system] ')'==s
   Call: (234) [system] get_char((0x55772f068e50), s)
   Exit: (234) [system] get_char((0x55772f068e50), s)
   Call: (234) [system] s=(\)
   Fail: (234) [system] s=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1075744)
   Call: (235) [system] peek_char((0x55772f068e50), _1076678)
   Exit: (235) [system] peek_char((0x55772f068e50), j)
^  Call: (235) [user] is_delimiter(j)
   Call: (236) [system] char_type(j, space)
   Fail: (236) [system] char_type(j, space)
   Call: (236) [system] arg(_1081398, v('(', ')', end_of_file), j)
   Fail: (236) [system] arg(_1082330, v('(', ')', end_of_file), j)
^  Fail: (235) [user] is_delimiter(j)
   Call: (235) [system] ')'==j
   Fail: (235) [system] ')'==j
   Call: (235) [system] get_char((0x55772f068e50), j)
   Exit: (235) [system] get_char((0x55772f068e50), j)
   Call: (235) [system] j=(\)
   Fail: (235) [system] j=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1089680)
   Call: (236) [system] peek_char((0x55772f068e50), _1090614)
   Exit: (236) [system] peek_char((0x55772f068e50), u)
^  Call: (236) [user] is_delimiter(u)
   Call: (237) [system] char_type(u, space)
   Fail: (237) [system] char_type(u, space)
   Call: (237) [system] arg(_1095334, v('(', ')', end_of_file), u)
   Fail: (237) [system] arg(_1096266, v('(', ')', end_of_file), u)
^  Fail: (236) [user] is_delimiter(u)
   Call: (236) [system] ')'==u
   Fail: (236) [system] ')'==u
   Call: (236) [system] get_char((0x55772f068e50), u)
   Exit: (236) [system] get_char((0x55772f068e50), u)
   Call: (236) [system] u=(\)
   Fail: (236) [system] u=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1103616)
   Call: (237) [system] peek_char((0x55772f068e50), _1104550)
   Exit: (237) [system] peek_char((0x55772f068e50), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_1109270, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_1110202, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x55772f068e50), n)
   Exit: (237) [system] get_char((0x55772f068e50), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _1117552)
   Call: (238) [system] peek_char((0x55772f068e50), _1118486)
   Exit: (238) [system] peek_char((0x55772f068e50), c)
^  Call: (238) [user] is_delimiter(c)
   Call: (239) [system] char_type(c, space)
   Fail: (239) [system] char_type(c, space)
   Call: (239) [system] arg(_1123206, v('(', ')', end_of_file), c)
   Fail: (239) [system] arg(_1124138, v('(', ')', end_of_file), c)
^  Fail: (238) [user] is_delimiter(c)
   Call: (238) [system] ')'==c
   Fail: (238) [system] ')'==c
   Call: (238) [system] get_char((0x55772f068e50), c)
   Exit: (238) [system] get_char((0x55772f068e50), c)
   Call: (238) [system] c=(\)
   Fail: (238) [system] c=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _1131488)
   Call: (239) [system] peek_char((0x55772f068e50), _1132422)
   Exit: (239) [system] peek_char((0x55772f068e50), t)
^  Call: (239) [user] is_delimiter(t)
   Call: (240) [system] char_type(t, space)
   Fail: (240) [system] char_type(t, space)
   Call: (240) [system] arg(_1137142, v('(', ')', end_of_file), t)
   Fail: (240) [system] arg(_1138074, v('(', ')', end_of_file), t)
^  Fail: (239) [user] is_delimiter(t)
   Call: (239) [system] ')'==t
   Fail: (239) [system] ')'==t
   Call: (239) [system] get_char((0x55772f068e50), t)
   Exit: (239) [system] get_char((0x55772f068e50), t)
   Call: (239) [system] t=(\)
   Fail: (239) [system] t=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _1145424)
   Call: (240) [system] peek_char((0x55772f068e50), _1146358)
   Exit: (240) [system] peek_char((0x55772f068e50), i)
^  Call: (240) [user] is_delimiter(i)
   Call: (241) [system] char_type(i, space)
   Fail: (241) [system] char_type(i, space)
   Call: (241) [system] arg(_1151078, v('(', ')', end_of_file), i)
   Fail: (241) [system] arg(_1152010, v('(', ')', end_of_file), i)
^  Fail: (240) [user] is_delimiter(i)
   Call: (240) [system] ')'==i
   Fail: (240) [system] ')'==i
   Call: (240) [system] get_char((0x55772f068e50), i)
   Exit: (240) [system] get_char((0x55772f068e50), i)
   Call: (240) [system] i=(\)
   Fail: (240) [system] i=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _1159360)
   Call: (241) [system] peek_char((0x55772f068e50), _1160294)
   Exit: (241) [system] peek_char((0x55772f068e50), o)
^  Call: (241) [user] is_delimiter(o)
   Call: (242) [system] char_type(o, space)
   Fail: (242) [system] char_type(o, space)
   Call: (242) [system] arg(_1165014, v('(', ')', end_of_file), o)
   Fail: (242) [system] arg(_1165946, v('(', ')', end_of_file), o)
^  Fail: (241) [user] is_delimiter(o)
   Call: (241) [system] ')'==o
   Fail: (241) [system] ')'==o
   Call: (241) [system] get_char((0x55772f068e50), o)
   Exit: (241) [system] get_char((0x55772f068e50), o)
   Call: (241) [system] o=(\)
   Fail: (241) [system] o=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x55772f068e50), _1173296)
   Call: (242) [system] peek_char((0x55772f068e50), _1174230)
   Exit: (242) [system] peek_char((0x55772f068e50), n)
^  Call: (242) [user] is_delimiter(n)
   Call: (243) [system] char_type(n, space)
   Fail: (243) [system] char_type(n, space)
   Call: (243) [system] arg(_1178950, v('(', ')', end_of_file), n)
   Fail: (243) [system] arg(_1179882, v('(', ')', end_of_file), n)
^  Fail: (242) [user] is_delimiter(n)
   Call: (242) [system] ')'==n
   Fail: (242) [system] ')'==n
   Call: (242) [system] get_char((0x55772f068e50), n)
   Exit: (242) [system] get_char((0x55772f068e50), n)
   Call: (242) [system] n=(\)
   Fail: (242) [system] n=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x55772f068e50), _1187232)
   Call: (243) [system] peek_char((0x55772f068e50), _1188166)
   Exit: (243) [system] peek_char((0x55772f068e50), 'I')
^  Call: (243) [user] is_delimiter('I')
   Call: (244) [system] char_type('I', space)
   Fail: (244) [system] char_type('I', space)
   Call: (244) [system] arg(_1192886, v('(', ')', end_of_file), 'I')
   Fail: (244) [system] arg(_1193818, v('(', ')', end_of_file), 'I')
^  Fail: (243) [user] is_delimiter('I')
   Call: (243) [system] ')'=='I'
   Fail: (243) [system] ')'=='I'
   Call: (243) [system] get_char((0x55772f068e50), 'I')
   Exit: (243) [system] get_char((0x55772f068e50), 'I')
   Call: (243) [system] 'I'=(\)
   Fail: (243) [system] 'I'=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x55772f068e50), _1201168)
   Call: (244) [system] peek_char((0x55772f068e50), _1202102)
   Exit: (244) [system] peek_char((0x55772f068e50), n)
^  Call: (244) [user] is_delimiter(n)
   Call: (245) [system] char_type(n, space)
   Fail: (245) [system] char_type(n, space)
   Call: (245) [system] arg(_1206822, v('(', ')', end_of_file), n)
   Fail: (245) [system] arg(_1207754, v('(', ')', end_of_file), n)
^  Fail: (244) [user] is_delimiter(n)
   Call: (244) [system] ')'==n
   Fail: (244) [system] ')'==n
   Call: (244) [system] get_char((0x55772f068e50), n)
   Exit: (244) [system] get_char((0x55772f068e50), n)
   Call: (244) [system] n=(\)
   Fail: (244) [system] n=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x55772f068e50), _1215104)
   Call: (245) [system] peek_char((0x55772f068e50), _1216038)
   Exit: (245) [system] peek_char((0x55772f068e50), t)
^  Call: (245) [user] is_delimiter(t)
   Call: (246) [system] char_type(t, space)
   Fail: (246) [system] char_type(t, space)
   Call: (246) [system] arg(_1220758, v('(', ')', end_of_file), t)
   Fail: (246) [system] arg(_1221690, v('(', ')', end_of_file), t)
^  Fail: (245) [user] is_delimiter(t)
   Call: (245) [system] ')'==t
   Fail: (245) [system] ')'==t
   Call: (245) [system] get_char((0x55772f068e50), t)
   Exit: (245) [system] get_char((0x55772f068e50), t)
   Call: (245) [system] t=(\)
   Fail: (245) [system] t=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x55772f068e50), _1229040)
   Call: (246) [system] peek_char((0x55772f068e50), _1229974)
   Exit: (246) [system] peek_char((0x55772f068e50), r)
^  Call: (246) [user] is_delimiter(r)
   Call: (247) [system] char_type(r, space)
   Fail: (247) [system] char_type(r, space)
   Call: (247) [system] arg(_1234694, v('(', ')', end_of_file), r)
   Fail: (247) [system] arg(_1235626, v('(', ')', end_of_file), r)
^  Fail: (246) [user] is_delimiter(r)
   Call: (246) [system] ')'==r
   Fail: (246) [system] ')'==r
   Call: (246) [system] get_char((0x55772f068e50), r)
   Exit: (246) [system] get_char((0x55772f068e50), r)
   Call: (246) [system] r=(\)
   Fail: (246) [system] r=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x55772f068e50), _1242976)
   Call: (247) [system] peek_char((0x55772f068e50), _1243910)
   Exit: (247) [system] peek_char((0x55772f068e50), o)
^  Call: (247) [user] is_delimiter(o)
   Call: (248) [system] char_type(o, space)
   Fail: (248) [system] char_type(o, space)
   Call: (248) [system] arg(_1248630, v('(', ')', end_of_file), o)
   Fail: (248) [system] arg(_1249562, v('(', ')', end_of_file), o)
^  Fail: (247) [user] is_delimiter(o)
   Call: (247) [system] ')'==o
   Fail: (247) [system] ')'==o
   Call: (247) [system] get_char((0x55772f068e50), o)
   Exit: (247) [system] get_char((0x55772f068e50), o)
   Call: (247) [system] o=(\)
   Fail: (247) [system] o=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x55772f068e50), _1256912)
   Call: (248) [system] peek_char((0x55772f068e50), _1257846)
   Exit: (248) [system] peek_char((0x55772f068e50), d)
^  Call: (248) [user] is_delimiter(d)
   Call: (249) [system] char_type(d, space)
   Fail: (249) [system] char_type(d, space)
   Call: (249) [system] arg(_1262566, v('(', ')', end_of_file), d)
   Fail: (249) [system] arg(_1263498, v('(', ')', end_of_file), d)
^  Fail: (248) [user] is_delimiter(d)
   Call: (248) [system] ')'==d
   Fail: (248) [system] ')'==d
   Call: (248) [system] get_char((0x55772f068e50), d)
   Exit: (248) [system] get_char((0x55772f068e50), d)
   Call: (248) [system] d=(\)
   Fail: (248) [system] d=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x55772f068e50), _1270848)
   Call: (249) [system] peek_char((0x55772f068e50), _1271782)
   Exit: (249) [system] peek_char((0x55772f068e50), u)
^  Call: (249) [user] is_delimiter(u)
   Call: (250) [system] char_type(u, space)
   Fail: (250) [system] char_type(u, space)
   Call: (250) [system] arg(_1276502, v('(', ')', end_of_file), u)
   Fail: (250) [system] arg(_1277434, v('(', ')', end_of_file), u)
^  Fail: (249) [user] is_delimiter(u)
   Call: (249) [system] ')'==u
   Fail: (249) [system] ')'==u
   Call: (249) [system] get_char((0x55772f068e50), u)
   Exit: (249) [system] get_char((0x55772f068e50), u)
   Call: (249) [system] u=(\)
   Fail: (249) [system] u=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x55772f068e50), _1284784)
   Call: (250) [system] peek_char((0x55772f068e50), _1285718)
   Exit: (250) [system] peek_char((0x55772f068e50), c)
^  Call: (250) [user] is_delimiter(c)
   Call: (251) [system] char_type(c, space)
   Fail: (251) [system] char_type(c, space)
   Call: (251) [system] arg(_1290438, v('(', ')', end_of_file), c)
   Fail: (251) [system] arg(_1291370, v('(', ')', end_of_file), c)
^  Fail: (250) [user] is_delimiter(c)
   Call: (250) [system] ')'==c
   Fail: (250) [system] ')'==c
   Call: (250) [system] get_char((0x55772f068e50), c)
   Exit: (250) [system] get_char((0x55772f068e50), c)
   Call: (250) [system] c=(\)
   Fail: (250) [system] c=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x55772f068e50), _1298720)
   Call: (251) [system] peek_char((0x55772f068e50), _1299654)
   Exit: (251) [system] peek_char((0x55772f068e50), t)
^  Call: (251) [user] is_delimiter(t)
   Call: (252) [system] char_type(t, space)
   Fail: (252) [system] char_type(t, space)
   Call: (252) [system] arg(_1304374, v('(', ')', end_of_file), t)
   Fail: (252) [system] arg(_1305306, v('(', ')', end_of_file), t)
^  Fail: (251) [user] is_delimiter(t)
   Call: (251) [system] ')'==t
   Fail: (251) [system] ')'==t
   Call: (251) [system] get_char((0x55772f068e50), t)
   Exit: (251) [system] get_char((0x55772f068e50), t)
   Call: (251) [system] t=(\)
   Fail: (251) [system] t=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x55772f068e50), _1312656)
   Call: (252) [system] peek_char((0x55772f068e50), _1313590)
   Exit: (252) [system] peek_char((0x55772f068e50), i)
^  Call: (252) [user] is_delimiter(i)
   Call: (253) [system] char_type(i, space)
   Fail: (253) [system] char_type(i, space)
   Call: (253) [system] arg(_1318310, v('(', ')', end_of_file), i)
   Fail: (253) [system] arg(_1319242, v('(', ')', end_of_file), i)
^  Fail: (252) [user] is_delimiter(i)
   Call: (252) [system] ')'==i
   Fail: (252) [system] ')'==i
   Call: (252) [system] get_char((0x55772f068e50), i)
   Exit: (252) [system] get_char((0x55772f068e50), i)
   Call: (252) [system] i=(\)
   Fail: (252) [system] i=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x55772f068e50), _1326592)
   Call: (253) [system] peek_char((0x55772f068e50), _1327526)
   Exit: (253) [system] peek_char((0x55772f068e50), o)
^  Call: (253) [user] is_delimiter(o)
   Call: (254) [system] char_type(o, space)
   Fail: (254) [system] char_type(o, space)
   Call: (254) [system] arg(_1332246, v('(', ')', end_of_file), o)
   Fail: (254) [system] arg(_1333178, v('(', ')', end_of_file), o)
^  Fail: (253) [user] is_delimiter(o)
   Call: (253) [system] ')'==o
   Fail: (253) [system] ')'==o
   Call: (253) [system] get_char((0x55772f068e50), o)
   Exit: (253) [system] get_char((0x55772f068e50), o)
   Call: (253) [system] o=(\)
   Fail: (253) [system] o=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x55772f068e50), _1340528)
   Call: (254) [system] peek_char((0x55772f068e50), _1341462)
   Exit: (254) [system] peek_char((0x55772f068e50), n)
^  Call: (254) [user] is_delimiter(n)
   Call: (255) [system] char_type(n, space)
   Fail: (255) [system] char_type(n, space)
   Call: (255) [system] arg(_1346182, v('(', ')', end_of_file), n)
   Fail: (255) [system] arg(_1347114, v('(', ')', end_of_file), n)
^  Fail: (254) [user] is_delimiter(n)
   Call: (254) [system] ')'==n
   Fail: (254) [system] ')'==n
   Call: (254) [system] get_char((0x55772f068e50), n)
   Exit: (254) [system] get_char((0x55772f068e50), n)
   Call: (254) [system] n=(\)
   Fail: (254) [system] n=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x55772f068e50), _1354464)
   Call: (255) [system] peek_char((0x55772f068e50), _1355398)
   Exit: (255) [system] peek_char((0x55772f068e50), ' ')
^  Call: (255) [user] is_delimiter(' ')
   Call: (256) [system] char_type(' ', space)
   Exit: (256) [system] char_type(' ', space)
^  Exit: (255) [user] is_delimiter(' ')
   Call: (255) [system] _1354464=[]
   Exit: (255) [system] []=[]
^  Exit: (254) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (254) [system] _1340528=[n]
   Exit: (254) [system] [n]=[n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (253) [system] _1326592=[o, n]
   Exit: (253) [system] [o, n]=[o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (252) [system] _1312656=[i, o, n]
   Exit: (252) [system] [i, o, n]=[i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (251) [system] _1298720=[t, i, o, n]
   Exit: (251) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (250) [system] _1284784=[c, t, i, o, n]
   Exit: (250) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (249) [system] _1270848=[u, c, t, i, o, n]
   Exit: (249) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (248) [system] _1256912=[d, u, c, t, i, o, n]
   Exit: (248) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (247) [system] _1242976=[o, d, u, c, t, i, o, n]
   Exit: (247) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (246) [system] _1229040=[r, o, d, u, c, t, i, o, n]
   Exit: (246) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (245) [system] _1215104=[t, r, o, d, u, c, t, i, o, n]
   Exit: (245) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (244) [system] _1201168=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (244) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (243) [system] _1187232=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _1173296=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _1159360=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _1145424=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _1131488=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _1117552=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _1103616=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1089680=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1075744=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1061808=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1047872=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (232) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1012362)
^  Call: (233) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1426150)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_1427102, _1427104), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1426150), _1427084, fail)), '$restore_trace'(_1427102, _1427104))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_1427102, _1427104))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1426150), _1427084, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_1426150)
   Fail: (234) [system] atomic(_1426150)
   Call: (234) [system] atom_chars(_1426150, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (234) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (233) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (233) [system] integer('DisjunctionIntroduction')
   Fail: (233) [system] integer('DisjunctionIntroduction')
   Call: (233) [system] _1012362='DisjunctionIntroduction'
   Exit: (233) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (232) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (231) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (230) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (230) [user] read_list(')', (0x55772f068e50), _1441100)
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _1442958)
   Exit: (232) [system] peek_char((0x55772f068e50), ' ')
   Call: (232) [system] ' '=(;)
   Fail: (232) [system] ' '=(;)
   Call: (232) [system] ' '=(/)
   Fail: (232) [system] ' '=(/)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x55772f068e50), _1452552)
   Exit: (232) [system] get_char((0x55772f068e50), ' ')
^  Call: (232) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _1455256)
   Exit: (233) [system] peek_char((0x55772f068e50), a)
   Call: (233) [system] a=(;)
   Fail: (233) [system] a=(;)
   Call: (233) [system] a=(/)
   Fail: (233) [system] a=(/)
^  Call: (233) [user] is_like_space(a)
   Call: (234) [system] char_type(a, 'white')
   Fail: (234) [system] char_type(a, 'white')
   Call: (234) [system] char_type(a, end_of_line)
   Fail: (234) [system] char_type(a, end_of_line)
   Call: (234) [system] char_type(a, space)
   Fail: (234) [system] char_type(a, space)
   Call: (234) [system] char_type(a, cntrl)
   Fail: (234) [system] char_type(a, cntrl)
^  Fail: (233) [user] is_like_space(a)
^  Exit: (232) [user] skip_spaces((0x55772f068e50))
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1472190)
   Exit: (231) [system] peek_char((0x55772f068e50), a)
   Call: (231) [system] a=')'
   Fail: (231) [system] a=')'
   Call: (231) [system] a=end_of_file
   Fail: (231) [system] a=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x55772f068e50), _1477760)
^  Call: (232) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _1479618)
   Exit: (233) [system] peek_char((0x55772f068e50), a)
   Call: (233) [system] a=(;)
   Fail: (233) [system] a=(;)
   Call: (233) [system] a=(/)
   Fail: (233) [system] a=(/)
^  Call: (233) [user] is_like_space(a)
   Call: (234) [system] char_type(a, 'white')
   Fail: (234) [system] char_type(a, 'white')
   Call: (234) [system] char_type(a, end_of_line)
   Fail: (234) [system] char_type(a, end_of_line)
   Call: (234) [system] char_type(a, space)
   Fail: (234) [system] char_type(a, space)
   Call: (234) [system] char_type(a, cntrl)
   Fail: (234) [system] char_type(a, cntrl)
^  Fail: (233) [user] is_like_space(a)
^  Exit: (232) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] get_char((0x55772f068e50), _1495628)
   Exit: (232) [system] get_char((0x55772f068e50), a)
   Call: (232) [system] a='('
   Fail: (232) [system] a='('
   Call: (232) [system] a='['
   Fail: (232) [system] a='['
   Call: (232) [system] a='{'
   Fail: (232) [system] a='{'
   Call: (232) [system] a='"'
   Fail: (232) [system] a='"'
   Call: (232) [system] a=!
   Fail: (232) [system] a=!
   Call: (232) [system] a='\''
   Fail: (232) [system] a='\''
   Call: (232) [system] a='`'
   Fail: (232) [system] a='`'
   Call: (232) [system] a=end_of_file
   Fail: (232) [system] a=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x55772f068e50), a, _1477760)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1513270)
   Call: (234) [system] peek_char((0x55772f068e50), _1514204)
   Exit: (234) [system] peek_char((0x55772f068e50), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _1513270=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (233) [user] classify_and_convert_charseq([a], _1477760)
^  Call: (234) [user] classify_and_convert_charseq_([a], _1523488)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_1524440, _1524442), once(user:catch(read_from_chars([a], _1523488), _1524422, fail)), '$restore_trace'(_1524440, _1524442))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_1524440, _1524442))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1524422, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(a)
   Exit: (235) [system] atomic(a)
^  Exit: (234) [user] classify_and_convert_charseq_([a], a)
   Call: (234) [system] integer(a)
   Fail: (234) [system] integer(a)
   Call: (234) [system] _1477760=a
   Exit: (234) [system] a=a
^  Exit: (233) [user] classify_and_convert_charseq([a], a)
^  Exit: (232) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (231) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (231) [user] read_list(')', (0x55772f068e50), _1536568)
^  Call: (232) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _1538426)
   Exit: (233) [system] peek_char((0x55772f068e50), ' ')
   Call: (233) [system] ' '=(;)
   Fail: (233) [system] ' '=(;)
   Call: (233) [system] ' '=(/)
   Fail: (233) [system] ' '=(/)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x55772f068e50), _1548020)
   Exit: (233) [system] get_char((0x55772f068e50), ' ')
^  Call: (233) [user] skip_spaces((0x55772f068e50))
   Call: (234) [system] peek_char((0x55772f068e50), _1550724)
   Exit: (234) [system] peek_char((0x55772f068e50), a)
   Call: (234) [system] a=(;)
   Fail: (234) [system] a=(;)
   Call: (234) [system] a=(/)
   Fail: (234) [system] a=(/)
^  Call: (234) [user] is_like_space(a)
   Call: (235) [system] char_type(a, 'white')
   Fail: (235) [system] char_type(a, 'white')
   Call: (235) [system] char_type(a, end_of_line)
   Fail: (235) [system] char_type(a, end_of_line)
   Call: (235) [system] char_type(a, space)
   Fail: (235) [system] char_type(a, space)
   Call: (235) [system] char_type(a, cntrl)
   Fail: (235) [system] char_type(a, cntrl)
^  Fail: (234) [user] is_like_space(a)
^  Exit: (233) [user] skip_spaces((0x55772f068e50))
^  Exit: (232) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _1567658)
   Exit: (232) [system] peek_char((0x55772f068e50), a)
   Call: (232) [system] a=')'
   Fail: (232) [system] a=')'
   Call: (232) [system] a=end_of_file
   Fail: (232) [system] a=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x55772f068e50), _1573228)
^  Call: (233) [user] skip_spaces((0x55772f068e50))
   Call: (234) [system] peek_char((0x55772f068e50), _1575086)
   Exit: (234) [system] peek_char((0x55772f068e50), a)
   Call: (234) [system] a=(;)
   Fail: (234) [system] a=(;)
   Call: (234) [system] a=(/)
   Fail: (234) [system] a=(/)
^  Call: (234) [user] is_like_space(a)
   Call: (235) [system] char_type(a, 'white')
   Fail: (235) [system] char_type(a, 'white')
   Call: (235) [system] char_type(a, end_of_line)
   Fail: (235) [system] char_type(a, end_of_line)
   Call: (235) [system] char_type(a, space)
   Fail: (235) [system] char_type(a, space)
   Call: (235) [system] char_type(a, cntrl)
   Fail: (235) [system] char_type(a, cntrl)
^  Fail: (234) [user] is_like_space(a)
^  Exit: (233) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] get_char((0x55772f068e50), _1591096)
   Exit: (233) [system] get_char((0x55772f068e50), a)
   Call: (233) [system] a='('
   Fail: (233) [system] a='('
   Call: (233) [system] a='['
   Fail: (233) [system] a='['
   Call: (233) [system] a='{'
   Fail: (233) [system] a='{'
   Call: (233) [system] a='"'
   Fail: (233) [system] a='"'
   Call: (233) [system] a=!
   Fail: (233) [system] a=!
   Call: (233) [system] a='\''
   Fail: (233) [system] a='\''
   Call: (233) [system] a='`'
   Fail: (233) [system] a='`'
   Call: (233) [system] a=end_of_file
   Fail: (233) [system] a=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x55772f068e50), a, _1573228)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1608738)
   Call: (235) [system] peek_char((0x55772f068e50), _1609672)
   Exit: (235) [system] peek_char((0x55772f068e50), ')')
^  Call: (235) [user] is_delimiter(')')
   Call: (236) [system] char_type(')', space)
   Fail: (236) [system] char_type(')', space)
   Call: (236) [system] arg(_1614392, v('(', ')', end_of_file), ')')
   Exit: (236) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (235) [user] is_delimiter(')')
   Call: (235) [system] _1608738=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (234) [user] classify_and_convert_charseq([a], _1573228)
^  Call: (235) [user] classify_and_convert_charseq_([a], _1620828)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_1621780, _1621782), once(user:catch(read_from_chars([a], _1620828), _1621762, fail)), '$restore_trace'(_1621780, _1621782))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_1621780, _1621782))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1621762, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(a)
   Exit: (236) [system] atomic(a)
^  Exit: (235) [user] classify_and_convert_charseq_([a], a)
   Call: (235) [system] integer(a)
   Fail: (235) [system] integer(a)
   Call: (235) [system] _1573228=a
   Exit: (235) [system] a=a
^  Exit: (234) [user] classify_and_convert_charseq([a], a)
^  Exit: (233) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (232) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (232) [user] read_list(')', (0x55772f068e50), _1633908)
^  Call: (233) [user] skip_spaces((0x55772f068e50))
   Call: (234) [system] peek_char((0x55772f068e50), _1635766)
   Exit: (234) [system] peek_char((0x55772f068e50), ')')
   Call: (234) [system] ')'=(;)
   Fail: (234) [system] ')'=(;)
   Call: (234) [system] ')'=(/)
   Fail: (234) [system] ')'=(/)
^  Call: (234) [user] is_like_space(')')
   Call: (235) [system] char_type(')', 'white')
   Fail: (235) [system] char_type(')', 'white')
   Call: (235) [system] char_type(')', end_of_line)
   Fail: (235) [system] char_type(')', end_of_line)
   Call: (235) [system] char_type(')', space)
   Fail: (235) [system] char_type(')', space)
   Call: (235) [system] char_type(')', cntrl)
   Fail: (235) [system] char_type(')', cntrl)
^  Fail: (234) [user] is_like_space(')')
^  Exit: (233) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _1651776)
   Exit: (233) [system] peek_char((0x55772f068e50), ')')
   Call: (233) [system] ')'=')'
   Exit: (233) [system] ')'=')'
   Call: (233) [system] get_char((0x55772f068e50), _1655566)
   Exit: (233) [system] get_char((0x55772f068e50), ')')
   Call: (233) [system] _1633908=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_list(')', (0x55772f068e50), [])
   Call: (232) [system] _1536568=[a]
   Exit: (232) [system] [a]=[a]
^  Exit: (231) [user] read_list(')', (0x55772f068e50), [a])
   Call: (231) [system] _1441100=[a, a]
   Exit: (231) [system] [a, a]=[a, a]
^  Exit: (230) [user] read_list(')', (0x55772f068e50), [a, a])
   Call: (230) [system] _967344=['DisjunctionIntroduction', a, a]
   Exit: (230) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (229) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', a, a])
^  Exit: (228) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', a, a])
^  Call: (228) [user] read_list(')', (0x55772f068e50), _1669448)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1671306)
   Exit: (230) [system] peek_char((0x55772f068e50), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
   Call: (230) [system] ' '=(/)
   Fail: (230) [system] ' '=(/)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x55772f068e50), _1680900)
   Exit: (230) [system] get_char((0x55772f068e50), ' ')
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1683604)
   Exit: (231) [system] peek_char((0x55772f068e50), '(')
   Call: (231) [system] '('=(;)
   Fail: (231) [system] '('=(;)
   Call: (231) [system] '('=(/)
   Fail: (231) [system] '('=(/)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Fail: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Fail: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Fail: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
   Fail: (232) [system] char_type('(', cntrl)
^  Fail: (231) [user] is_like_space('(')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1700538)
   Exit: (229) [system] peek_char((0x55772f068e50), '(')
   Call: (229) [system] '('=')'
   Fail: (229) [system] '('=')'
   Call: (229) [system] '('=end_of_file
   Fail: (229) [system] '('=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x55772f068e50), _1706108)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1707966)
   Exit: (231) [system] peek_char((0x55772f068e50), '(')
   Call: (231) [system] '('=(;)
   Fail: (231) [system] '('=(;)
   Call: (231) [system] '('=(/)
   Fail: (231) [system] '('=(/)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Fail: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Fail: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Fail: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
   Fail: (232) [system] char_type('(', cntrl)
^  Fail: (231) [user] is_like_space('(')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] get_char((0x55772f068e50), _1723976)
   Exit: (230) [system] get_char((0x55772f068e50), '(')
   Call: (230) [system] '('='('
   Exit: (230) [system] '('='('
^  Call: (230) [user] read_list(')', (0x55772f068e50), _1706108)
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _1729546)
   Exit: (232) [system] peek_char((0x55772f068e50), 'O')
   Call: (232) [system] 'O'=(;)
   Fail: (232) [system] 'O'=(;)
   Call: (232) [system] 'O'=(/)
   Fail: (232) [system] 'O'=(/)
^  Call: (232) [user] is_like_space('O')
   Call: (233) [system] char_type('O', 'white')
   Fail: (233) [system] char_type('O', 'white')
   Call: (233) [system] char_type('O', end_of_line)
   Fail: (233) [system] char_type('O', end_of_line)
   Call: (233) [system] char_type('O', space)
   Fail: (233) [system] char_type('O', space)
   Call: (233) [system] char_type('O', cntrl)
   Fail: (233) [system] char_type('O', cntrl)
^  Fail: (232) [user] is_like_space('O')
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1745556)
   Exit: (231) [system] peek_char((0x55772f068e50), 'O')
   Call: (231) [system] 'O'=')'
   Fail: (231) [system] 'O'=')'
   Call: (231) [system] 'O'=end_of_file
   Fail: (231) [system] 'O'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x55772f068e50), _1751126)
^  Call: (232) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _1752984)
   Exit: (233) [system] peek_char((0x55772f068e50), 'O')
   Call: (233) [system] 'O'=(;)
   Fail: (233) [system] 'O'=(;)
   Call: (233) [system] 'O'=(/)
   Fail: (233) [system] 'O'=(/)
^  Call: (233) [user] is_like_space('O')
   Call: (234) [system] char_type('O', 'white')
   Fail: (234) [system] char_type('O', 'white')
   Call: (234) [system] char_type('O', end_of_line)
   Fail: (234) [system] char_type('O', end_of_line)
   Call: (234) [system] char_type('O', space)
   Fail: (234) [system] char_type('O', space)
   Call: (234) [system] char_type('O', cntrl)
   Fail: (234) [system] char_type('O', cntrl)
^  Fail: (233) [user] is_like_space('O')
^  Exit: (232) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] get_char((0x55772f068e50), _1768994)
   Exit: (232) [system] get_char((0x55772f068e50), 'O')
   Call: (232) [system] 'O'='('
   Fail: (232) [system] 'O'='('
   Call: (232) [system] 'O'='['
   Fail: (232) [system] 'O'='['
   Call: (232) [system] 'O'='{'
   Fail: (232) [system] 'O'='{'
   Call: (232) [system] 'O'='"'
   Fail: (232) [system] 'O'='"'
   Call: (232) [system] 'O'=!
   Fail: (232) [system] 'O'=!
   Call: (232) [system] 'O'='\''
   Fail: (232) [system] 'O'='\''
   Call: (232) [system] 'O'='`'
   Fail: (232) [system] 'O'='`'
   Call: (232) [system] 'O'=end_of_file
   Fail: (232) [system] 'O'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x55772f068e50), 'O', _1751126)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1786636)
   Call: (234) [system] peek_char((0x55772f068e50), _1787570)
   Exit: (234) [system] peek_char((0x55772f068e50), r)
^  Call: (234) [user] is_delimiter(r)
   Call: (235) [system] char_type(r, space)
   Fail: (235) [system] char_type(r, space)
   Call: (235) [system] arg(_1792290, v('(', ')', end_of_file), r)
   Fail: (235) [system] arg(_1793222, v('(', ')', end_of_file), r)
^  Fail: (234) [user] is_delimiter(r)
   Call: (234) [system] ')'==r
   Fail: (234) [system] ')'==r
   Call: (234) [system] get_char((0x55772f068e50), r)
   Exit: (234) [system] get_char((0x55772f068e50), r)
   Call: (234) [system] r=(\)
   Fail: (234) [system] r=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1800572)
   Call: (235) [system] peek_char((0x55772f068e50), _1801506)
   Exit: (235) [system] peek_char((0x55772f068e50), 'L')
^  Call: (235) [user] is_delimiter('L')
   Call: (236) [system] char_type('L', space)
   Fail: (236) [system] char_type('L', space)
   Call: (236) [system] arg(_1806226, v('(', ')', end_of_file), 'L')
   Fail: (236) [system] arg(_1807158, v('(', ')', end_of_file), 'L')
^  Fail: (235) [user] is_delimiter('L')
   Call: (235) [system] ')'=='L'
   Fail: (235) [system] ')'=='L'
   Call: (235) [system] get_char((0x55772f068e50), 'L')
   Exit: (235) [system] get_char((0x55772f068e50), 'L')
   Call: (235) [system] 'L'=(\)
   Fail: (235) [system] 'L'=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1814508)
   Call: (236) [system] peek_char((0x55772f068e50), _1815442)
   Exit: (236) [system] peek_char((0x55772f068e50), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Fail: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_1820162, v('(', ')', end_of_file), i)
   Fail: (237) [system] arg(_1821094, v('(', ')', end_of_file), i)
^  Fail: (236) [user] is_delimiter(i)
   Call: (236) [system] ')'==i
   Fail: (236) [system] ')'==i
   Call: (236) [system] get_char((0x55772f068e50), i)
   Exit: (236) [system] get_char((0x55772f068e50), i)
   Call: (236) [system] i=(\)
   Fail: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1828444)
   Call: (237) [system] peek_char((0x55772f068e50), _1829378)
   Exit: (237) [system] peek_char((0x55772f068e50), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_1834098, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_1835030, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x55772f068e50), n)
   Exit: (237) [system] get_char((0x55772f068e50), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _1842380)
   Call: (238) [system] peek_char((0x55772f068e50), _1843314)
   Exit: (238) [system] peek_char((0x55772f068e50), k)
^  Call: (238) [user] is_delimiter(k)
   Call: (239) [system] char_type(k, space)
   Fail: (239) [system] char_type(k, space)
   Call: (239) [system] arg(_1848034, v('(', ')', end_of_file), k)
   Fail: (239) [system] arg(_1848966, v('(', ')', end_of_file), k)
^  Fail: (238) [user] is_delimiter(k)
   Call: (238) [system] ')'==k
   Fail: (238) [system] ')'==k
   Call: (238) [system] get_char((0x55772f068e50), k)
   Exit: (238) [system] get_char((0x55772f068e50), k)
   Call: (238) [system] k=(\)
   Fail: (238) [system] k=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _1856316)
   Call: (239) [system] peek_char((0x55772f068e50), _1857250)
   Exit: (239) [system] peek_char((0x55772f068e50), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _1856316=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (238) [system] _1842380=[k]
   Exit: (238) [system] [k]=[k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (237) [system] _1828444=[n, k]
   Exit: (237) [system] [n, k]=[n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (236) [system] _1814508=[i, n, k]
   Exit: (236) [system] [i, n, k]=[i, n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (235) [system] _1800572=['L', i, n, k]
   Exit: (235) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (234) [system] _1786636=[r, 'L', i, n, k]
   Exit: (234) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (233) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1751126)
^  Call: (234) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1880504)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_1881456, _1881458), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1880504), _1881438, fail)), '$restore_trace'(_1881456, _1881458))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_1881456, _1881458))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1880504), _1881438, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_1880504)
   Fail: (235) [system] atomic(_1880504)
   Call: (235) [system] atom_chars(_1880504, ['O', r, 'L', i, n, k])
   Exit: (235) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (234) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (234) [system] integer('OrLink')
   Fail: (234) [system] integer('OrLink')
   Call: (234) [system] _1751126='OrLink'
   Exit: (234) [system] 'OrLink'='OrLink'
^  Exit: (233) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (232) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (231) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (231) [user] read_list(')', (0x55772f068e50), _1895454)
^  Call: (232) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _1897312)
   Exit: (233) [system] peek_char((0x55772f068e50), ' ')
   Call: (233) [system] ' '=(;)
   Fail: (233) [system] ' '=(;)
   Call: (233) [system] ' '=(/)
   Fail: (233) [system] ' '=(/)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x55772f068e50), _1906906)
   Exit: (233) [system] get_char((0x55772f068e50), ' ')
^  Call: (233) [user] skip_spaces((0x55772f068e50))
   Call: (234) [system] peek_char((0x55772f068e50), _1909610)
   Exit: (234) [system] peek_char((0x55772f068e50), 'B')
   Call: (234) [system] 'B'=(;)
   Fail: (234) [system] 'B'=(;)
   Call: (234) [system] 'B'=(/)
   Fail: (234) [system] 'B'=(/)
^  Call: (234) [user] is_like_space('B')
   Call: (235) [system] char_type('B', 'white')
   Fail: (235) [system] char_type('B', 'white')
   Call: (235) [system] char_type('B', end_of_line)
   Fail: (235) [system] char_type('B', end_of_line)
   Call: (235) [system] char_type('B', space)
   Fail: (235) [system] char_type('B', space)
   Call: (235) [system] char_type('B', cntrl)
   Fail: (235) [system] char_type('B', cntrl)
^  Fail: (234) [user] is_like_space('B')
^  Exit: (233) [user] skip_spaces((0x55772f068e50))
^  Exit: (232) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _1926544)
   Exit: (232) [system] peek_char((0x55772f068e50), 'B')
   Call: (232) [system] 'B'=')'
   Fail: (232) [system] 'B'=')'
   Call: (232) [system] 'B'=end_of_file
   Fail: (232) [system] 'B'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x55772f068e50), _1932114)
^  Call: (233) [user] skip_spaces((0x55772f068e50))
   Call: (234) [system] peek_char((0x55772f068e50), _1933972)
   Exit: (234) [system] peek_char((0x55772f068e50), 'B')
   Call: (234) [system] 'B'=(;)
   Fail: (234) [system] 'B'=(;)
   Call: (234) [system] 'B'=(/)
   Fail: (234) [system] 'B'=(/)
^  Call: (234) [user] is_like_space('B')
   Call: (235) [system] char_type('B', 'white')
   Fail: (235) [system] char_type('B', 'white')
   Call: (235) [system] char_type('B', end_of_line)
   Fail: (235) [system] char_type('B', end_of_line)
   Call: (235) [system] char_type('B', space)
   Fail: (235) [system] char_type('B', space)
   Call: (235) [system] char_type('B', cntrl)
   Fail: (235) [system] char_type('B', cntrl)
^  Fail: (234) [user] is_like_space('B')
^  Exit: (233) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] get_char((0x55772f068e50), _1949982)
   Exit: (233) [system] get_char((0x55772f068e50), 'B')
   Call: (233) [system] 'B'='('
   Fail: (233) [system] 'B'='('
   Call: (233) [system] 'B'='['
   Fail: (233) [system] 'B'='['
   Call: (233) [system] 'B'='{'
   Fail: (233) [system] 'B'='{'
   Call: (233) [system] 'B'='"'
   Fail: (233) [system] 'B'='"'
   Call: (233) [system] 'B'=!
   Fail: (233) [system] 'B'=!
   Call: (233) [system] 'B'='\''
   Fail: (233) [system] 'B'='\''
   Call: (233) [system] 'B'='`'
   Fail: (233) [system] 'B'='`'
   Call: (233) [system] 'B'=end_of_file
   Fail: (233) [system] 'B'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x55772f068e50), 'B', _1932114)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1967624)
   Call: (235) [system] peek_char((0x55772f068e50), _1968558)
   Exit: (235) [system] peek_char((0x55772f068e50), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _1967624=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (234) [user] classify_and_convert_charseq(['B'], _1932114)
^  Call: (235) [user] classify_and_convert_charseq_(['B'], _1977842)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_1978794, _1978796), once(user:catch(read_from_chars(['B'], _1977842), _1978776, fail)), '$restore_trace'(_1978794, _1978796))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_1978794, _1978796))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1977842), _1978776, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(_1977842)
   Fail: (236) [system] atomic(_1977842)
   Call: (236) [system] atom_chars(_1977842, ['B'])
   Exit: (236) [system] atom_chars('B', ['B'])
^  Exit: (235) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (235) [system] integer('B')
   Fail: (235) [system] integer('B')
   Call: (235) [system] _1932114='B'
   Exit: (235) [system] 'B'='B'
^  Exit: (234) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (233) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (232) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (232) [user] read_list(')', (0x55772f068e50), _1992792)
^  Call: (233) [user] skip_spaces((0x55772f068e50))
   Call: (234) [system] peek_char((0x55772f068e50), _1994650)
   Exit: (234) [system] peek_char((0x55772f068e50), ' ')
   Call: (234) [system] ' '=(;)
   Fail: (234) [system] ' '=(;)
   Call: (234) [system] ' '=(/)
   Fail: (234) [system] ' '=(/)
^  Call: (234) [user] is_like_space(' ')
   Call: (235) [system] char_type(' ', 'white')
   Exit: (235) [system] char_type(' ', 'white')
^  Exit: (234) [user] is_like_space(' ')
   Call: (234) [system] get_char((0x55772f068e50), _2004244)
   Exit: (234) [system] get_char((0x55772f068e50), ' ')
^  Call: (234) [user] skip_spaces((0x55772f068e50))
   Call: (235) [system] peek_char((0x55772f068e50), _2006948)
   Exit: (235) [system] peek_char((0x55772f068e50), 'B')
   Call: (235) [system] 'B'=(;)
   Fail: (235) [system] 'B'=(;)
   Call: (235) [system] 'B'=(/)
   Fail: (235) [system] 'B'=(/)
^  Call: (235) [user] is_like_space('B')
   Call: (236) [system] char_type('B', 'white')
   Fail: (236) [system] char_type('B', 'white')
   Call: (236) [system] char_type('B', end_of_line)
   Fail: (236) [system] char_type('B', end_of_line)
   Call: (236) [system] char_type('B', space)
   Fail: (236) [system] char_type('B', space)
   Call: (236) [system] char_type('B', cntrl)
   Fail: (236) [system] char_type('B', cntrl)
^  Fail: (235) [user] is_like_space('B')
^  Exit: (234) [user] skip_spaces((0x55772f068e50))
^  Exit: (233) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _2023882)
   Exit: (233) [system] peek_char((0x55772f068e50), 'B')
   Call: (233) [system] 'B'=')'
   Fail: (233) [system] 'B'=')'
   Call: (233) [system] 'B'=end_of_file
   Fail: (233) [system] 'B'=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x55772f068e50), _2029452)
^  Call: (234) [user] skip_spaces((0x55772f068e50))
   Call: (235) [system] peek_char((0x55772f068e50), _2031310)
   Exit: (235) [system] peek_char((0x55772f068e50), 'B')
   Call: (235) [system] 'B'=(;)
   Fail: (235) [system] 'B'=(;)
   Call: (235) [system] 'B'=(/)
   Fail: (235) [system] 'B'=(/)
^  Call: (235) [user] is_like_space('B')
   Call: (236) [system] char_type('B', 'white')
   Fail: (236) [system] char_type('B', 'white')
   Call: (236) [system] char_type('B', end_of_line)
   Fail: (236) [system] char_type('B', end_of_line)
   Call: (236) [system] char_type('B', space)
   Fail: (236) [system] char_type('B', space)
   Call: (236) [system] char_type('B', cntrl)
   Fail: (236) [system] char_type('B', cntrl)
^  Fail: (235) [user] is_like_space('B')
^  Exit: (234) [user] skip_spaces((0x55772f068e50))
   Call: (234) [system] get_char((0x55772f068e50), _2047320)
   Exit: (234) [system] get_char((0x55772f068e50), 'B')
   Call: (234) [system] 'B'='('
   Fail: (234) [system] 'B'='('
   Call: (234) [system] 'B'='['
   Fail: (234) [system] 'B'='['
   Call: (234) [system] 'B'='{'
   Fail: (234) [system] 'B'='{'
   Call: (234) [system] 'B'='"'
   Fail: (234) [system] 'B'='"'
   Call: (234) [system] 'B'=!
   Fail: (234) [system] 'B'=!
   Call: (234) [system] 'B'='\''
   Fail: (234) [system] 'B'='\''
   Call: (234) [system] 'B'='`'
   Fail: (234) [system] 'B'='`'
   Call: (234) [system] 'B'=end_of_file
   Fail: (234) [system] 'B'=end_of_file
^  Call: (234) [user] read_symbolic(')', (0x55772f068e50), 'B', _2029452)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _2064962)
   Call: (236) [system] peek_char((0x55772f068e50), _2065896)
   Exit: (236) [system] peek_char((0x55772f068e50), ')')
^  Call: (236) [user] is_delimiter(')')
   Call: (237) [system] char_type(')', space)
   Fail: (237) [system] char_type(')', space)
   Call: (237) [system] arg(_2070616, v('(', ')', end_of_file), ')')
   Exit: (237) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (236) [user] is_delimiter(')')
   Call: (236) [system] _2064962=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (235) [user] classify_and_convert_charseq(['B'], _2029452)
^  Call: (236) [user] classify_and_convert_charseq_(['B'], _2077052)
^  Call: (238) [system] setup_call_cleanup('$notrace'(_2078004, _2078006), once(user:catch(read_from_chars(['B'], _2077052), _2077986, fail)), '$restore_trace'(_2078004, _2078006))
^  Call: (239) [system] sig_atomic(system:'$notrace'(_2078004, _2078006))
^  Exit: (238) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _2077052), _2077986, fail)), system:'$restore_trace'(3, -1))
   Call: (237) [system] atomic(_2077052)
   Fail: (237) [system] atomic(_2077052)
   Call: (237) [system] atom_chars(_2077052, ['B'])
   Exit: (237) [system] atom_chars('B', ['B'])
^  Exit: (236) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (236) [system] integer('B')
   Fail: (236) [system] integer('B')
   Call: (236) [system] _2029452='B'
   Exit: (236) [system] 'B'='B'
^  Exit: (235) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (234) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (233) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (233) [user] read_list(')', (0x55772f068e50), _2092002)
^  Call: (234) [user] skip_spaces((0x55772f068e50))
   Call: (235) [system] peek_char((0x55772f068e50), _2093860)
   Exit: (235) [system] peek_char((0x55772f068e50), ')')
   Call: (235) [system] ')'=(;)
   Fail: (235) [system] ')'=(;)
   Call: (235) [system] ')'=(/)
   Fail: (235) [system] ')'=(/)
^  Call: (235) [user] is_like_space(')')
   Call: (236) [system] char_type(')', 'white')
   Fail: (236) [system] char_type(')', 'white')
   Call: (236) [system] char_type(')', end_of_line)
   Fail: (236) [system] char_type(')', end_of_line)
   Call: (236) [system] char_type(')', space)
   Fail: (236) [system] char_type(')', space)
   Call: (236) [system] char_type(')', cntrl)
   Fail: (236) [system] char_type(')', cntrl)
^  Fail: (235) [user] is_like_space(')')
^  Exit: (234) [user] skip_spaces((0x55772f068e50))
   Call: (234) [system] peek_char((0x55772f068e50), _19738)
   Exit: (234) [system] peek_char((0x55772f068e50), ')')
   Call: (234) [system] ')'=')'
   Exit: (234) [system] ')'=')'
   Call: (234) [system] get_char((0x55772f068e50), _23528)
   Exit: (234) [system] get_char((0x55772f068e50), ')')
   Call: (234) [system] _6690=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_list(')', (0x55772f068e50), [])
   Call: (233) [system] _6684=['B']
   Exit: (233) [system] ['B']=['B']
^  Exit: (232) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (232) [system] _6678=['B', 'B']
   Exit: (232) [system] ['B', 'B']=['B', 'B']
^  Exit: (231) [user] read_list(')', (0x55772f068e50), ['B', 'B'])
   Call: (231) [system] _6670=['OrLink', 'B', 'B']
   Exit: (231) [system] ['OrLink', 'B', 'B']=['OrLink', 'B', 'B']
^  Exit: (230) [user] read_list(')', (0x55772f068e50), ['OrLink', 'B', 'B'])
^  Exit: (229) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'B', 'B'])
^  Call: (229) [user] read_list(')', (0x55772f068e50), _37410)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _39268)
   Exit: (231) [system] peek_char((0x55772f068e50), ')')
   Call: (231) [system] ')'=(;)
   Fail: (231) [system] ')'=(;)
   Call: (231) [system] ')'=(/)
   Fail: (231) [system] ')'=(/)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Fail: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Fail: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
   Fail: (232) [system] char_type(')', cntrl)
^  Fail: (231) [user] is_like_space(')')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _55278)
   Exit: (230) [system] peek_char((0x55772f068e50), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x55772f068e50), _59068)
   Exit: (230) [system] get_char((0x55772f068e50), ')')
   Call: (230) [system] _37410=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x55772f068e50), [])
   Call: (229) [system] _6666=[['OrLink', 'B', 'B']]
   Exit: (229) [system] [['OrLink', 'B', 'B']]=[['OrLink', 'B', 'B']]
^  Exit: (228) [user] read_list(')', (0x55772f068e50), [['OrLink', 'B', 'B']])
   Call: (228) [system] _6642=[['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]
   Exit: (228) [system] [['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]=[['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]
^  Exit: (227) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']])
   Call: (227) [system] _6634=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]
   Exit: (227) [system] [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]
^  Exit: (226) [user] read_list(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']])
^  Exit: (225) [user] cont_sexpr(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']])
^  Call: (225) [user] read_list(')', (0x55772f068e50), _72950)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _74808)
   Exit: (227) [system] peek_char((0x55772f068e50), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
   Call: (227) [system] ')'=(/)
   Fail: (227) [system] ')'=(/)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _90818)
   Exit: (226) [system] peek_char((0x55772f068e50), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x55772f068e50), _94608)
   Exit: (226) [system] get_char((0x55772f068e50), ')')
   Call: (226) [system] _72950=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x55772f068e50), [])
   Call: (225) [system] _6630=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (225) [system] [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (224) [user] read_list(')', (0x55772f068e50), [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (224) [system] _6570=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (224) [system] [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (223) [user] read_list(')', (0x55772f068e50), [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (223) [system] _6474=[[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (223) [system] [[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (222) [user] read_list(')', (0x55772f068e50), [[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (222) [system] _6378=[[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (222) [system] [[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (221) [user] read_list(')', (0x55772f068e50), [[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (221) [system] _6318=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (221) [system] [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (220) [user] read_list(')', (0x55772f068e50), [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (220) [system] _6258=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (220) [system] [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (219) [user] read_list(')', (0x55772f068e50), [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (219) [system] _6162=[[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (219) [system] [[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (218) [user] read_list(')', (0x55772f068e50), [[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (218) [system] _6066=[[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (218) [system] [[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (217) [user] read_list(')', (0x55772f068e50), [[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (217) [system] _5970=[[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (217) [system] [[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (216) [user] read_list(')', (0x55772f068e50), [[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (216) [system] _5874=[[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (216) [system] [[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (215) [user] read_list(')', (0x55772f068e50), [[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (215) [system] _5742=[[:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (215) [system] [[:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (214) [user] read_list(')', (0x55772f068e50), [[:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (214) [system] _5610=[[:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (214) [system] [[:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (213) [user] read_list(')', (0x55772f068e50), [[:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (213) [system] _5514=[[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (213) [system] [[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (212) [user] read_list(')', (0x55772f068e50), [[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (212) [system] _5418=[[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (212) [system] [[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (211) [user] read_list(')', (0x55772f068e50), [[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (211) [system] _5286=[[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (211) [system] [[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (210) [user] read_list(')', (0x55772f068e50), [[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (210) [system] _5154=[[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (210) [system] [[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (209) [user] read_list(')', (0x55772f068e50), [[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (209) [system] _5094=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (209) [system] [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (208) [user] read_list(')', (0x55772f068e50), [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (208) [system] _5034=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (208) [system] [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (207) [user] read_list(')', (0x55772f068e50), [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (207) [system] _4938=[[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (207) [system] [[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (206) [user] read_list(')', (0x55772f068e50), [[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (206) [system] _4842=[[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (206) [system] [[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (205) [user] read_list(')', (0x55772f068e50), [[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (205) [system] _4782=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (205) [system] [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (204) [user] read_list(')', (0x55772f068e50), [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (204) [system] _4722=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (204) [system] [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (203) [user] read_list(')', (0x55772f068e50), [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (203) [system] _4626=[[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (203) [system] [[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (202) [user] read_list(')', (0x55772f068e50), [[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (202) [system] _4530=[[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (202) [system] [[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (201) [system] _4434=[[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (201) [system] [[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (200) [system] _4338=[[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (200) [system] [[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (199) [system] _4206=[[:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (199) [system] [[:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [[:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (198) [system] _4074=[[:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (198) [system] [[:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [[:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (197) [system] _3978=[[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (197) [system] [[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (196) [system] _3882=[[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (196) [system] [[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (195) [system] _3750=[[:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (195) [system] [[:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [[:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (194) [system] _3618=[[:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (194) [system] [[:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [[:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (193) [system] _3594=[[:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (193) [system] [[:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [[:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (192) [system] _3570=[[:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (192) [system] [[:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [[:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (191) [system] _3510=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (191) [system] [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (190) [user] read_list(')', (0x55772f068e50), [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (190) [system] _3448=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (190) [system] [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (189) [user] read_list(')', (0x55772f068e50), [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
^  Exit: (188) [user] cont_sexpr(')', (0x55772f068e50), [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
^  Call: (188) [user] read_list(')', (0x55772f068e50), _200692)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _202550)
   Exit: (190) [system] peek_char((0x55772f068e50), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _218560)
   Exit: (189) [system] peek_char((0x55772f068e50), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x55772f068e50), _222350)
   Exit: (189) [system] get_char((0x55772f068e50), ')')
   Call: (189) [system] _200692=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [])
   Call: (188) [system] _3444=[[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]
   Exit: (188) [system] [[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]=[[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]
^  Exit: (187) [user] read_list(')', (0x55772f068e50), [[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])
   Call: (187) [system] _3370=[[synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]
   Exit: (187) [system] [[synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]=[[synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]
^  Exit: (186) [user] read_list(')', (0x55772f068e50), [[synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])
   Call: (186) [system] _3362=[assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]
   Exit: (186) [system] [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]=[assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])
^  Exit: (184) [user] cont_sexpr(')', (0x55772f068e50), [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])
^  Exit: (183) [user] read_sexpr((0x55772f068e50), [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])
   Call: (183) [system] _3326=exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])
   Exit: (183) [system] exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])=exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])
^  Exit: (182) [user] cont_sexpr(')', (0x55772f068e50), exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]))
^  Exit: (181) [user] read_sexpr((0x55772f068e50), exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]))
^  Call: (181) [user] assertz(metta_file_comment(120, 0, 4924, exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]), '$stream_position'(4924, 120, 0, 4924)))
^  Exit: (181) [user] assertz(metta_file_comment(120, 0, 4924, exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]), '$stream_position'(4924, 120, 0, 4924)))
^  Exit: (179) [system] once(user:(read_position((0x55772f068e50), 120, 0, 4924, '$stream_position'(4924, 120, 0, 4924)), read_sexpr((0x55772f068e50), exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])), assertz(metta_file_comment(120, 0, 4924, exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]), '$stream_position'(4924, 120, 0, 4924)))))
   Call: (179) [system] fail
^  Call: (179) [user] retract(metta_file_comment(_244588, _244590, _244592, _244594, _244596))
^  Exit: (179) [user] retract(metta_file_comment(75, 0, 2845, '$COMMENT'(";; Quaternary rule", 75, 0), '$stream_position'(2845, 75, 0, 2845)))
^  Call: (179) [user] trly(untyped_to_metta, '$COMMENT'(";; Quaternary rule", 75, 0), _3084)
^  Call: (180) [user] once(call(untyped_to_metta, '$COMMENT'(";; Quaternary rule", 75, 0), _247424))
^  Call: (181) [user] call(untyped_to_metta, '$COMMENT'(";; Quaternary rule", 75, 0), _247424)
^  Call: (182) [user] untyped_to_metta('$COMMENT'(";; Quaternary rule", 75, 0), _247424)
^  Call: (183) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; Quaternary rule", 75, 0), _250240))
^  Call: (184) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; Quaternary rule", 75, 0), _250240))
^  Call: (185) [user] trly(mfix_vars1, '$COMMENT'(";; Quaternary rule", 75, 0), _250240)
^  Call: (186) [user] once(call(mfix_vars1, '$COMMENT'(";; Quaternary rule", 75, 0), _253040))
^  Call: (187) [user] call(mfix_vars1, '$COMMENT'(";; Quaternary rule", 75, 0), _253040)
^  Call: (188) [user] mfix_vars1('$COMMENT'(";; Quaternary rule", 75, 0), _253040)
   Call: (189) [system] var('$COMMENT'(";; Quaternary rule", 75, 0))
   Call: (189) [system] atom('$COMMENT'(";; Quaternary rule", 75, 0))
   Call: (189) [system] '$COMMENT'(";; Quaternary rule", 75, 0)==true
   Call: (189) [system] '$COMMENT'(";; Quaternary rule", 75, 0)==false
   Call: (189) [system] '$COMMENT'(";; Quaternary rule", 75, 0)==[_259560, _259566]
   Call: (189) [system] is_list('$COMMENT'(";; Quaternary rule", 75, 0))
   Call: (189) [system] string('$COMMENT'(";; Quaternary rule", 75, 0))
   Call: (189) [system] compound('$COMMENT'(";; Quaternary rule", 75, 0))
   Exit: (189) [system] compound('$COMMENT'(";; Quaternary rule", 75, 0))
   Call: (189) [system] compound_name_arguments('$COMMENT'(";; Quaternary rule", 75, 0), _264194, _264196)
   Exit: (189) [system] compound_name_arguments('$COMMENT'(";; Quaternary rule", 75, 0), '$COMMENT', [";; Quaternary rule", 75, 0])
   Call: (189) [system] '$COMMENT'\=='$VAR'
   Exit: (189) [system] '$COMMENT'\=='$VAR'
^  Call: (189) [user] apply:maplist(mfix_vars1, [";; Quaternary rule", 75, 0], _267936)
   Call: (190) [apply] apply:maplist_([";; Quaternary rule", 75, 0], _267936, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(";; Quaternary rule", _269816)
   Call: (192) [system] var(";; Quaternary rule")
   Call: (192) [system] atom(";; Quaternary rule")
   Call: (192) [system] ";; Quaternary rule"==true
   Call: (192) [system] ";; Quaternary rule"==false
   Call: (192) [system] ";; Quaternary rule"==[_274458, _274464]
   Call: (192) [system] is_list(";; Quaternary rule")
   Call: (192) [system] string(";; Quaternary rule")
   Exit: (192) [system] string(";; Quaternary rule")
^  Call: (192) [user] string_to_syms
   Call: (193) [system] fail
   Call: (192) [system] compound(";; Quaternary rule")
^  Call: (192) [user] symbol(";; Quaternary rule")
   Call: (193) [system] atom(";; Quaternary rule")
   Fail: (193) [system] atom(";; Quaternary rule")
^  Fail: (192) [user] symbol(";; Quaternary rule")
   Call: (192) [system] ";; Quaternary rule"=_269816
   Exit: (192) [system] ";; Quaternary rule"=";; Quaternary rule"
^  Exit: (191) [user] mfix_vars1(";; Quaternary rule", ";; Quaternary rule")
   Call: (191) [apply] apply:maplist_([75, 0], _269818, user:mfix_vars1)
^  Call: (192) [user] mfix_vars1(75, _288338)
   Call: (193) [system] var(75)
   Call: (193) [system] atom(75)
   Call: (193) [system] 75==true
   Call: (193) [system] 75==false
   Call: (193) [system] 75==[_292980, _292986]
   Call: (193) [system] is_list(75)
   Call: (193) [system] string(75)
   Call: (193) [system] compound(75)
^  Call: (193) [user] symbol(75)
   Call: (194) [system] atom(75)
   Fail: (194) [system] atom(75)
^  Fail: (193) [user] symbol(75)
   Call: (193) [system] 75=_288338
   Exit: (193) [system] 75=75
^  Exit: (192) [user] mfix_vars1(75, 75)
   Call: (192) [apply] apply:maplist_([0], _288340, user:mfix_vars1)
^  Call: (193) [user] mfix_vars1(0, _304104)
   Call: (194) [system] var(0)
   Call: (194) [system] atom(0)
   Call: (194) [system] 0==true
   Call: (194) [system] 0==false
   Call: (194) [system] 0==[_308746, _308752]
   Call: (194) [system] is_list(0)
   Call: (194) [system] string(0)
   Call: (194) [system] compound(0)
^  Call: (194) [user] symbol(0)
   Call: (195) [system] atom(0)
   Fail: (195) [system] atom(0)
^  Fail: (194) [user] symbol(0)
   Call: (194) [system] 0=_304104
   Exit: (194) [system] 0=0
^  Exit: (193) [user] mfix_vars1(0, 0)
   Call: (193) [apply] apply:maplist_([], _304106, user:mfix_vars1)
   Exit: (193) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (192) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([75, 0], [75, 0], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([";; Quaternary rule", 75, 0], [";; Quaternary rule", 75, 0], user:mfix_vars1)
^  Exit: (189) [apply] apply:maplist(user:mfix_vars1, [";; Quaternary rule", 75, 0], [";; Quaternary rule", 75, 0])
   Call: (189) [system] compound_name_arguments(_253040, '$COMMENT', [";; Quaternary rule", 75, 0])
   Exit: (189) [system] compound_name_arguments('$COMMENT'(";; Quaternary rule", 75, 0), '$COMMENT', [";; Quaternary rule", 75, 0])
^  Exit: (188) [user] mfix_vars1('$COMMENT'(";; Quaternary rule", 75, 0), '$COMMENT'(";; Quaternary rule", 75, 0))
^  Exit: (187) [system] call(user:mfix_vars1, '$COMMENT'(";; Quaternary rule", 75, 0), '$COMMENT'(";; Quaternary rule", 75, 0))
^  Exit: (186) [system] once(user:call(mfix_vars1, '$COMMENT'(";; Quaternary rule", 75, 0), '$COMMENT'(";; Quaternary rule", 75, 0)))
   Call: (186) [system] '$COMMENT'(";; Quaternary rule", 75, 0)\=@='$COMMENT'(";; Quaternary rule", 75, 0)
^  Exit: (185) [user] trly(mfix_vars1, '$COMMENT'(";; Quaternary rule", 75, 0), '$COMMENT'(";; Quaternary rule", 75, 0))
^  Exit: (184) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; Quaternary rule", 75, 0), '$COMMENT'(";; Quaternary rule", 75, 0)))
^  Exit: (183) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; Quaternary rule", 75, 0), '$COMMENT'(";; Quaternary rule", 75, 0)))
^  Call: (183) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; Quaternary rule", 75, 0), _332922))
^  Call: (184) [user] once(user:trly(cons_to_c, '$COMMENT'(";; Quaternary rule", 75, 0), _332922))
^  Call: (185) [user] trly(cons_to_c, '$COMMENT'(";; Quaternary rule", 75, 0), _332922)
^  Call: (186) [user] once(call(cons_to_c, '$COMMENT'(";; Quaternary rule", 75, 0), _335722))
^  Call: (187) [user] call(cons_to_c, '$COMMENT'(";; Quaternary rule", 75, 0), _335722)
^  Call: (188) [user] cons_to_c('$COMMENT'(";; Quaternary rule", 75, 0), _335722)
^  Call: (189) [user] no_cons_reduce
^  Exit: (189) [user] no_cons_reduce
^  Exit: (188) [user] cons_to_c('$COMMENT'(";; Quaternary rule", 75, 0), '$COMMENT'(";; Quaternary rule", 75, 0))
^  Exit: (187) [system] call(user:cons_to_c, '$COMMENT'(";; Quaternary rule", 75, 0), '$COMMENT'(";; Quaternary rule", 75, 0))
^  Exit: (186) [system] once(user:call(cons_to_c, '$COMMENT'(";; Quaternary rule", 75, 0), '$COMMENT'(";; Quaternary rule", 75, 0)))
   Call: (186) [system] '$COMMENT'(";; Quaternary rule", 75, 0)\=@='$COMMENT'(";; Quaternary rule", 75, 0)
^  Exit: (185) [user] trly(cons_to_c, '$COMMENT'(";; Quaternary rule", 75, 0), '$COMMENT'(";; Quaternary rule", 75, 0))
^  Exit: (184) [system] once(user:trly(cons_to_c, '$COMMENT'(";; Quaternary rule", 75, 0), '$COMMENT'(";; Quaternary rule", 75, 0)))
^  Exit: (183) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; Quaternary rule", 75, 0), '$COMMENT'(";; Quaternary rule", 75, 0)))
^  Call: (183) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; Quaternary rule", 75, 0), _247424))
^  Call: (184) [user] once(user:trly(cons_to_l, '$COMMENT'(";; Quaternary rule", 75, 0), _247424))
^  Call: (185) [user] trly(cons_to_l, '$COMMENT'(";; Quaternary rule", 75, 0), _247424)
^  Call: (186) [user] once(call(cons_to_l, '$COMMENT'(";; Quaternary rule", 75, 0), _349680))
^  Call: (187) [user] call(cons_to_l, '$COMMENT'(";; Quaternary rule", 75, 0), _349680)
^  Call: (188) [user] cons_to_l('$COMMENT'(";; Quaternary rule", 75, 0), _349680)
^  Call: (189) [user] no_cons_reduce
^  Exit: (189) [user] no_cons_reduce
^  Exit: (188) [user] cons_to_l('$COMMENT'(";; Quaternary rule", 75, 0), '$COMMENT'(";; Quaternary rule", 75, 0))
^  Exit: (187) [system] call(user:cons_to_l, '$COMMENT'(";; Quaternary rule", 75, 0), '$COMMENT'(";; Quaternary rule", 75, 0))
^  Exit: (186) [system] once(user:call(cons_to_l, '$COMMENT'(";; Quaternary rule", 75, 0), '$COMMENT'(";; Quaternary rule", 75, 0)))
   Call: (186) [system] '$COMMENT'(";; Quaternary rule", 75, 0)\=@='$COMMENT'(";; Quaternary rule", 75, 0)
^  Exit: (185) [user] trly(cons_to_l, '$COMMENT'(";; Quaternary rule", 75, 0), '$COMMENT'(";; Quaternary rule", 75, 0))
^  Exit: (184) [system] once(user:trly(cons_to_l, '$COMMENT'(";; Quaternary rule", 75, 0), '$COMMENT'(";; Quaternary rule", 75, 0)))
^  Exit: (183) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; Quaternary rule", 75, 0), '$COMMENT'(";; Quaternary rule", 75, 0)))
^  Exit: (182) [user] untyped_to_metta('$COMMENT'(";; Quaternary rule", 75, 0), '$COMMENT'(";; Quaternary rule", 75, 0))
^  Exit: (181) [system] call(user:untyped_to_metta, '$COMMENT'(";; Quaternary rule", 75, 0), '$COMMENT'(";; Quaternary rule", 75, 0))
^  Exit: (180) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; Quaternary rule", 75, 0), '$COMMENT'(";; Quaternary rule", 75, 0)))
   Call: (180) [system] '$COMMENT'(";; Quaternary rule", 75, 0)\=@='$COMMENT'(";; Quaternary rule", 75, 0)
^  Exit: (179) [user] trly(untyped_to_metta, '$COMMENT'(";; Quaternary rule", 75, 0), '$COMMENT'(";; Quaternary rule", 75, 0))
^  Exit: (178) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; Quaternary rule", 75, 0))
   Call: (178) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; Quaternary rule", 75, 0))))
   Exit: (178) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; Quaternary rule", 75, 0))))
^  Exit: (177) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";; Quaternary rule", 75, 0))
^  Exit: (176) [user] parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";; Quaternary rule", 75, 0))
^  Exit: (175) [user] parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";; Quaternary rule", 75, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";; Quaternary rule", 75, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; Quaternary rule", 75, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; Quaternary rule", 75, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), '$COMMENT'(";; Quaternary rule", 75, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), '$COMMENT'(";; Quaternary rule", 75, 0))
^  Exit: (171) [user] read_sform((0x55772f068e50), '$COMMENT'(";; Quaternary rule", 75, 0))
^  Exit: (170) [system] once(user:read_sform((0x55772f068e50), '$COMMENT'(";; Quaternary rule", 75, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x55772f068e50), '$COMMENT'(";; Quaternary rule", 75, 0)))
   Call: (169) [system] '$COMMENT'(";; Quaternary rule", 75, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; Quaternary rule", 75, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quaternary rule", 75, 0)), 117]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; Quaternary rule", 75, 0), me_synthesize_1727481849_9551582, 117)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727481858.222791), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481858.222791), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quaternary rule", 75, 0)), 117]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727481871.3601146)
   Call: (173) [system] arg(1, t(1727481858.222791), _3148)
   Exit: (173) [system] arg(1, t(1727481858.222791), 1727481858.222791)
   Call: (173) [system] _3158 is 1727481871.3601146-1727481858.222791
   Exit: (173) [system] 13.13732361793518 is 1727481871.3601146-1727481858.222791
   Call: (173) [system] 13.13732361793518>4
   Exit: (173) [system] 13.13732361793518>4
   Call: (173) [system] nb_setarg(1, t(1727481858.222791), 1727481871.3601146)
   Exit: (173) [system] nb_setarg(1, t(1727481871.3601146), 1727481871.3601146)
^  Call: (173) [user] move_cursor_to_first_column
   Call: (174) [system] write(user_error, '')

   Exit: (174) [system] write(user_error, '')
^  Exit: (173) [user] move_cursor_to_first_column
^  Call: (173) [user] format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quaternary rule", 75, 0)), 117])
; 
^  Call: (175) [user] write_src_woi('$COMMENT'(";; Quaternary rule", 75, 0))
^  Call: (177) [system] setup_call_cleanup('$notrace'(_397540, _397542), once(user:with_indents(false, write_src('$COMMENT'(";; Quaternary rule", 75, 0)))), '$restore_trace'(_397540, _397542))
^  Call: (178) [system] sig_atomic(system:'$notrace'(_397540, _397542))
(%COMMENT  ";; Quaternary rule" 75 0)
^  Exit: (177) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:with_indents(false, write_src('$COMMENT'(";; Quaternary rule", 75, 0)))), system:'$restore_trace'(3, -1))
^  Exit: (175) [user] write_src_woi('$COMMENT'(";; Quaternary rule", 75, 0))
 ; line: 117 
^  Exit: (173) [user] format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quaternary rule", 75, 0)), 117])
   Call: (173) [system] write(user_error, '')

   Exit: (173) [system] write(user_error, '')
^  Call: (173) [user] move_cursor_to_first_column
   Call: (174) [system] write(user_error, '')

   Exit: (174) [system] write(user_error, '')
^  Exit: (173) [user] move_cursor_to_first_column
^  Exit: (171) [user] if_t((get_time(1727481871.3601146), arg(1, t(1727481871.3601146), 1727481858.222791), 13.13732361793518 is 1727481871.3601146-1727481858.222791, 13.13732361793518>4), (nb_setarg(1, t(1727481871.3601146), 1727481871.3601146), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quaternary rule", 75, 0)), 117]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 25)
   Call: (175) [system] atom(25+1)
   Call: (175) [system] set_flag(translated_forms, 26)
   Exit: (175) [system] set_flag(translated_forms, 26)
   Exit: (174) [$syspreds] update_flag(translated_forms, 25, 25+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 25, 25+1))
   Exit: (171) [$syspreds] flag(translated_forms, 25, 25+1)
^  Call: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; Quaternary rule", 75, 0), me_synthesize_1727481849_9551582, 117)
^  Call: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";; Quaternary rule"])
^  Exit: (172) [user] format((0x55772f06bcd0), "/* ~w */~n", [";; Quaternary rule"])
^  Exit: (171) [user] write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; Quaternary rule", 75, 0), me_synthesize_1727481849_9551582, 117)
^  Exit: (169) [system] once(user:(if_t((get_time(1727481871.3601146), arg(1, t(1727481871.3601146), 1727481858.222791), 13.13732361793518 is 1727481871.3601146-1727481858.222791, 13.13732361793518>4), (nb_setarg(1, t(1727481871.3601146), 1727481871.3601146), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quaternary rule", 75, 0)), 117]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 25, 25+1), write_metta_datalog_term((0x55772f06bcd0), '$COMMENT'(";; Quaternary rule", 75, 0), me_synthesize_1727481849_9551582, 117)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x55772f068e50))
   Fail: (169) [system] at_end_of_stream((0x55772f068e50))
^  Call: (169) [user] must_det_ll(line_count((0x55772f068e50), _3074))
^  Call: (170) [user] once(user:line_count((0x55772f068e50), _3074))
   Call: (171) [system] line_count((0x55772f068e50), _3074)
   Exit: (171) [system] line_count((0x55772f068e50), 155)
^  Exit: (170) [system] once(user:line_count((0x55772f068e50), 155))
^  Exit: (169) [user] must_det_ll(user:line_count((0x55772f068e50), 155))
^  Call: (169) [user] must_det_ll(read_sform((0x55772f068e50), _3084))
^  Call: (170) [user] once(user:read_sform((0x55772f068e50), _3084))
^  Call: (171) [user] read_sform((0x55772f068e50), _3084)
   Call: (172) [system] string((0x55772f068e50))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (173) [system] string((0x55772f068e50))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (174) [system] at_end_of_stream((0x55772f068e50))
   Call: (174) [system] peek_char((0x55772f068e50), _445098)
   Exit: (174) [system] peek_char((0x55772f068e50), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x55772f068e50), '\n')
   Exit: (174) [system] get_char((0x55772f068e50), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), _3084)
   Call: (175) [system] at_end_of_stream((0x55772f068e50))
   Call: (175) [system] peek_char((0x55772f068e50), _452520)
   Exit: (175) [system] peek_char((0x55772f068e50), '\n')
   Call: (175) [system] char_type('\n', space)
   Exit: (175) [system] char_type('\n', space)
   Call: (175) [system] get_char((0x55772f068e50), '\n')
   Exit: (175) [system] get_char((0x55772f068e50), '\n')
^  Call: (175) [user] parse_sexpr_metta_IO((0x55772f068e50), _3084)
   Call: (176) [system] at_end_of_stream((0x55772f068e50))
   Call: (176) [system] peek_char((0x55772f068e50), _459942)
   Exit: (176) [system] peek_char((0x55772f068e50), !)
   Call: (176) [system] char_type(!, space)
^  Call: (176) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (177) [system] string((0x55772f068e50))
^  Exit: (176) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (176) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (177) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (178) [system] at_end_of_stream((0x55772f068e50))
   Call: (178) [system] peek_char((0x55772f068e50), _468280)
   Exit: (178) [system] peek_char((0x55772f068e50), !)
   Call: (178) [system] char_type(!, space)
   Call: (178) [system] _471066=(0x55772f068e50)
   Exit: (178) [system] (0x55772f068e50)=(0x55772f068e50)
^  Call: (178) [user] once((read_position((0x55772f068e50), _472934, _472936, _472938, _472940), read_sexpr((0x55772f068e50), _472952), assertz(metta_file_comment(_472934, _472936, _472938, _472952, _472940))))
^  Call: (180) [user] read_position((0x55772f068e50), _472934, _472936, _472938, _472940)
   Call: (181) [system] stream_property((0x55772f068e50), position(_472940))
   Call: (182) [system] nonvar((0x55772f068e50))
   Exit: (182) [system] nonvar((0x55772f068e50))
   Call: (182) [system] nonvar(position(_472940))
   Exit: (182) [system] nonvar(position(_472940))
   Exit: (181) [system] stream_property((0x55772f068e50), position('$stream_position'(7659, 157, 0, 7659)))
   Call: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(7659, 157, 0, 7659), _472934)
   Call: (182) [system] nonvar(line_count)
   Exit: (182) [system] nonvar(line_count)
   Call: (182) [$syspreds] stream_position_field(line_count, _483192)
   Exit: (182) [$syspreds] stream_position_field(line_count, 2)
   Call: (182) [system] arg(2, '$stream_position'(7659, 157, 0, 7659), _472934)
   Exit: (182) [system] arg(2, '$stream_position'(7659, 157, 0, 7659), 157)
   Exit: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(7659, 157, 0, 7659), 157)
   Call: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(7659, 157, 0, 7659), _472936)
   Call: (182) [system] nonvar(line_position)
   Exit: (182) [system] nonvar(line_position)
   Call: (182) [$syspreds] stream_position_field(line_position, _490626)
   Exit: (182) [$syspreds] stream_position_field(line_position, 3)
   Call: (182) [system] arg(3, '$stream_position'(7659, 157, 0, 7659), _472936)
   Exit: (182) [system] arg(3, '$stream_position'(7659, 157, 0, 7659), 0)
   Exit: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(7659, 157, 0, 7659), 0)
   Call: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(7659, 157, 0, 7659), _472938)
   Call: (182) [system] nonvar(char_count)
   Exit: (182) [system] nonvar(char_count)
   Call: (182) [$syspreds] stream_position_field(char_count, _498060)
   Exit: (182) [$syspreds] stream_position_field(char_count, 1)
   Call: (182) [system] arg(1, '$stream_position'(7659, 157, 0, 7659), _472938)
   Exit: (182) [system] arg(1, '$stream_position'(7659, 157, 0, 7659), 7659)
   Exit: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(7659, 157, 0, 7659), 7659)
^  Exit: (180) [user] read_position((0x55772f068e50), 157, 0, 7659, '$stream_position'(7659, 157, 0, 7659))
^  Call: (180) [user] read_sexpr((0x55772f068e50), _472952)
   Call: (181) [system] string((0x55772f068e50))
   Fail: (181) [system] string((0x55772f068e50))
^  Call: (181) [user] cont_sexpr(')', (0x55772f068e50), _472952)
^  Call: (182) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _508286)
   Exit: (183) [system] peek_char((0x55772f068e50), !)
   Call: (183) [system] !=(;)
   Fail: (183) [system] !=(;)
   Call: (183) [system] !=(/)
   Fail: (183) [system] !=(/)
^  Call: (183) [user] is_like_space(!)
   Call: (184) [system] char_type(!, 'white')
   Fail: (184) [system] char_type(!, 'white')
   Call: (184) [system] char_type(!, end_of_line)
   Fail: (184) [system] char_type(!, end_of_line)
   Call: (184) [system] char_type(!, space)
   Fail: (184) [system] char_type(!, space)
   Call: (184) [system] char_type(!, cntrl)
   Fail: (184) [system] char_type(!, cntrl)
^  Fail: (183) [user] is_like_space(!)
^  Exit: (182) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] get_char((0x55772f068e50), _524296)
   Exit: (182) [system] get_char((0x55772f068e50), !)
   Call: (182) [system] !='('
   Fail: (182) [system] !='('
   Call: (182) [system] !='['
   Fail: (182) [system] !='['
   Call: (182) [system] !='{'
   Fail: (182) [system] !='{'
   Call: (182) [system] !='"'
   Fail: (182) [system] !='"'
   Call: (182) [system] !=!
   Exit: (182) [system] !=!
^  Call: (182) [user] read_sexpr((0x55772f068e50), _535434)
   Call: (183) [system] string((0x55772f068e50))
   Fail: (183) [system] string((0x55772f068e50))
^  Call: (183) [user] cont_sexpr(')', (0x55772f068e50), _535434)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _540068)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] get_char((0x55772f068e50), _556078)
   Exit: (184) [system] get_char((0x55772f068e50), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x55772f068e50), _535434)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _561648)
   Exit: (186) [system] peek_char((0x55772f068e50), a)
   Call: (186) [system] a=(;)
   Fail: (186) [system] a=(;)
   Call: (186) [system] a=(/)
   Fail: (186) [system] a=(/)
^  Call: (186) [user] is_like_space(a)
   Call: (187) [system] char_type(a, 'white')
   Fail: (187) [system] char_type(a, 'white')
   Call: (187) [system] char_type(a, end_of_line)
   Fail: (187) [system] char_type(a, end_of_line)
   Call: (187) [system] char_type(a, space)
   Fail: (187) [system] char_type(a, space)
   Call: (187) [system] char_type(a, cntrl)
   Fail: (187) [system] char_type(a, cntrl)
^  Fail: (186) [user] is_like_space(a)
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _577658)
   Exit: (185) [system] peek_char((0x55772f068e50), a)
   Call: (185) [system] a=')'
   Fail: (185) [system] a=')'
   Call: (185) [system] a=end_of_file
   Fail: (185) [system] a=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x55772f068e50), _583228)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _585086)
   Exit: (187) [system] peek_char((0x55772f068e50), a)
   Call: (187) [system] a=(;)
   Fail: (187) [system] a=(;)
   Call: (187) [system] a=(/)
   Fail: (187) [system] a=(/)
^  Call: (187) [user] is_like_space(a)
   Call: (188) [system] char_type(a, 'white')
   Fail: (188) [system] char_type(a, 'white')
   Call: (188) [system] char_type(a, end_of_line)
   Fail: (188) [system] char_type(a, end_of_line)
   Call: (188) [system] char_type(a, space)
   Fail: (188) [system] char_type(a, space)
   Call: (188) [system] char_type(a, cntrl)
   Fail: (188) [system] char_type(a, cntrl)
^  Fail: (187) [user] is_like_space(a)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] get_char((0x55772f068e50), _601096)
   Exit: (186) [system] get_char((0x55772f068e50), a)
   Call: (186) [system] a='('
   Fail: (186) [system] a='('
   Call: (186) [system] a='['
   Fail: (186) [system] a='['
   Call: (186) [system] a='{'
   Fail: (186) [system] a='{'
   Call: (186) [system] a='"'
   Fail: (186) [system] a='"'
   Call: (186) [system] a=!
   Fail: (186) [system] a=!
   Call: (186) [system] a='\''
   Fail: (186) [system] a='\''
   Call: (186) [system] a='`'
   Fail: (186) [system] a='`'
   Call: (186) [system] a=end_of_file
   Fail: (186) [system] a=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x55772f068e50), a, _583228)
^  Call: (187) [user] read_symbolic_cont(')', (0x55772f068e50), _618738)
   Call: (188) [system] peek_char((0x55772f068e50), _619672)
   Exit: (188) [system] peek_char((0x55772f068e50), s)
^  Call: (188) [user] is_delimiter(s)
   Call: (189) [system] char_type(s, space)
   Fail: (189) [system] char_type(s, space)
   Call: (189) [system] arg(_624392, v('(', ')', end_of_file), s)
   Fail: (189) [system] arg(_625324, v('(', ')', end_of_file), s)
^  Fail: (188) [user] is_delimiter(s)
   Call: (188) [system] ')'==s
   Fail: (188) [system] ')'==s
   Call: (188) [system] get_char((0x55772f068e50), s)
   Exit: (188) [system] get_char((0x55772f068e50), s)
   Call: (188) [system] s=(\)
   Fail: (188) [system] s=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _632674)
   Call: (189) [system] peek_char((0x55772f068e50), _633608)
   Exit: (189) [system] peek_char((0x55772f068e50), s)
^  Call: (189) [user] is_delimiter(s)
   Call: (190) [system] char_type(s, space)
   Fail: (190) [system] char_type(s, space)
   Call: (190) [system] arg(_638328, v('(', ')', end_of_file), s)
   Fail: (190) [system] arg(_639260, v('(', ')', end_of_file), s)
^  Fail: (189) [user] is_delimiter(s)
   Call: (189) [system] ')'==s
   Fail: (189) [system] ')'==s
   Call: (189) [system] get_char((0x55772f068e50), s)
   Exit: (189) [system] get_char((0x55772f068e50), s)
   Call: (189) [system] s=(\)
   Fail: (189) [system] s=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _646610)
   Call: (190) [system] peek_char((0x55772f068e50), _647544)
   Exit: (190) [system] peek_char((0x55772f068e50), e)
^  Call: (190) [user] is_delimiter(e)
   Call: (191) [system] char_type(e, space)
   Fail: (191) [system] char_type(e, space)
   Call: (191) [system] arg(_652264, v('(', ')', end_of_file), e)
   Fail: (191) [system] arg(_653196, v('(', ')', end_of_file), e)
^  Fail: (190) [user] is_delimiter(e)
   Call: (190) [system] ')'==e
   Fail: (190) [system] ')'==e
   Call: (190) [system] get_char((0x55772f068e50), e)
   Exit: (190) [system] get_char((0x55772f068e50), e)
   Call: (190) [system] e=(\)
   Fail: (190) [system] e=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _660546)
   Call: (191) [system] peek_char((0x55772f068e50), _661480)
   Exit: (191) [system] peek_char((0x55772f068e50), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_666200, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_667132, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x55772f068e50), r)
   Exit: (191) [system] get_char((0x55772f068e50), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _674482)
   Call: (192) [system] peek_char((0x55772f068e50), _675416)
   Exit: (192) [system] peek_char((0x55772f068e50), t)
^  Call: (192) [user] is_delimiter(t)
   Call: (193) [system] char_type(t, space)
   Fail: (193) [system] char_type(t, space)
   Call: (193) [system] arg(_680136, v('(', ')', end_of_file), t)
   Fail: (193) [system] arg(_681068, v('(', ')', end_of_file), t)
^  Fail: (192) [user] is_delimiter(t)
   Call: (192) [system] ')'==t
   Fail: (192) [system] ')'==t
   Call: (192) [system] get_char((0x55772f068e50), t)
   Exit: (192) [system] get_char((0x55772f068e50), t)
   Call: (192) [system] t=(\)
   Fail: (192) [system] t=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _688418)
   Call: (193) [system] peek_char((0x55772f068e50), _689352)
   Exit: (193) [system] peek_char((0x55772f068e50), 'E')
^  Call: (193) [user] is_delimiter('E')
   Call: (194) [system] char_type('E', space)
   Fail: (194) [system] char_type('E', space)
   Call: (194) [system] arg(_694072, v('(', ')', end_of_file), 'E')
   Fail: (194) [system] arg(_695004, v('(', ')', end_of_file), 'E')
^  Fail: (193) [user] is_delimiter('E')
   Call: (193) [system] ')'=='E'
   Fail: (193) [system] ')'=='E'
   Call: (193) [system] get_char((0x55772f068e50), 'E')
   Exit: (193) [system] get_char((0x55772f068e50), 'E')
   Call: (193) [system] 'E'=(\)
   Fail: (193) [system] 'E'=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _702354)
   Call: (194) [system] peek_char((0x55772f068e50), _703288)
   Exit: (194) [system] peek_char((0x55772f068e50), q)
^  Call: (194) [user] is_delimiter(q)
   Call: (195) [system] char_type(q, space)
   Fail: (195) [system] char_type(q, space)
   Call: (195) [system] arg(_708008, v('(', ')', end_of_file), q)
   Fail: (195) [system] arg(_708940, v('(', ')', end_of_file), q)
^  Fail: (194) [user] is_delimiter(q)
   Call: (194) [system] ')'==q
   Fail: (194) [system] ')'==q
   Call: (194) [system] get_char((0x55772f068e50), q)
   Exit: (194) [system] get_char((0x55772f068e50), q)
   Call: (194) [system] q=(\)
   Fail: (194) [system] q=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _716290)
   Call: (195) [system] peek_char((0x55772f068e50), _717224)
   Exit: (195) [system] peek_char((0x55772f068e50), u)
^  Call: (195) [user] is_delimiter(u)
   Call: (196) [system] char_type(u, space)
   Fail: (196) [system] char_type(u, space)
   Call: (196) [system] arg(_721944, v('(', ')', end_of_file), u)
   Fail: (196) [system] arg(_722876, v('(', ')', end_of_file), u)
^  Fail: (195) [user] is_delimiter(u)
   Call: (195) [system] ')'==u
   Fail: (195) [system] ')'==u
   Call: (195) [system] get_char((0x55772f068e50), u)
   Exit: (195) [system] get_char((0x55772f068e50), u)
   Call: (195) [system] u=(\)
   Fail: (195) [system] u=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _730226)
   Call: (196) [system] peek_char((0x55772f068e50), _731160)
   Exit: (196) [system] peek_char((0x55772f068e50), a)
^  Call: (196) [user] is_delimiter(a)
   Call: (197) [system] char_type(a, space)
   Fail: (197) [system] char_type(a, space)
   Call: (197) [system] arg(_735880, v('(', ')', end_of_file), a)
   Fail: (197) [system] arg(_736812, v('(', ')', end_of_file), a)
^  Fail: (196) [user] is_delimiter(a)
   Call: (196) [system] ')'==a
   Fail: (196) [system] ')'==a
   Call: (196) [system] get_char((0x55772f068e50), a)
   Exit: (196) [system] get_char((0x55772f068e50), a)
   Call: (196) [system] a=(\)
   Fail: (196) [system] a=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _744162)
   Call: (197) [system] peek_char((0x55772f068e50), _745096)
   Exit: (197) [system] peek_char((0x55772f068e50), l)
^  Call: (197) [user] is_delimiter(l)
   Call: (198) [system] char_type(l, space)
   Fail: (198) [system] char_type(l, space)
   Call: (198) [system] arg(_749816, v('(', ')', end_of_file), l)
   Fail: (198) [system] arg(_750748, v('(', ')', end_of_file), l)
^  Fail: (197) [user] is_delimiter(l)
   Call: (197) [system] ')'==l
   Fail: (197) [system] ')'==l
   Call: (197) [system] get_char((0x55772f068e50), l)
   Exit: (197) [system] get_char((0x55772f068e50), l)
   Call: (197) [system] l=(\)
   Fail: (197) [system] l=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _758098)
   Call: (198) [system] peek_char((0x55772f068e50), _759032)
   Exit: (198) [system] peek_char((0x55772f068e50), 'T')
^  Call: (198) [user] is_delimiter('T')
   Call: (199) [system] char_type('T', space)
   Fail: (199) [system] char_type('T', space)
   Call: (199) [system] arg(_763752, v('(', ')', end_of_file), 'T')
   Fail: (199) [system] arg(_764684, v('(', ')', end_of_file), 'T')
^  Fail: (198) [user] is_delimiter('T')
   Call: (198) [system] ')'=='T'
   Fail: (198) [system] ')'=='T'
   Call: (198) [system] get_char((0x55772f068e50), 'T')
   Exit: (198) [system] get_char((0x55772f068e50), 'T')
   Call: (198) [system] 'T'=(\)
   Fail: (198) [system] 'T'=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _772034)
   Call: (199) [system] peek_char((0x55772f068e50), _772968)
   Exit: (199) [system] peek_char((0x55772f068e50), o)
^  Call: (199) [user] is_delimiter(o)
   Call: (200) [system] char_type(o, space)
   Fail: (200) [system] char_type(o, space)
   Call: (200) [system] arg(_777688, v('(', ')', end_of_file), o)
   Fail: (200) [system] arg(_778620, v('(', ')', end_of_file), o)
^  Fail: (199) [user] is_delimiter(o)
   Call: (199) [system] ')'==o
   Fail: (199) [system] ')'==o
   Call: (199) [system] get_char((0x55772f068e50), o)
   Exit: (199) [system] get_char((0x55772f068e50), o)
   Call: (199) [system] o=(\)
   Fail: (199) [system] o=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _785970)
   Call: (200) [system] peek_char((0x55772f068e50), _786904)
   Exit: (200) [system] peek_char((0x55772f068e50), 'R')
^  Call: (200) [user] is_delimiter('R')
   Call: (201) [system] char_type('R', space)
   Fail: (201) [system] char_type('R', space)
   Call: (201) [system] arg(_791624, v('(', ')', end_of_file), 'R')
   Fail: (201) [system] arg(_792556, v('(', ')', end_of_file), 'R')
^  Fail: (200) [user] is_delimiter('R')
   Call: (200) [system] ')'=='R'
   Fail: (200) [system] ')'=='R'
   Call: (200) [system] get_char((0x55772f068e50), 'R')
   Exit: (200) [system] get_char((0x55772f068e50), 'R')
   Call: (200) [system] 'R'=(\)
   Fail: (200) [system] 'R'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _799906)
   Call: (201) [system] peek_char((0x55772f068e50), _800840)
   Exit: (201) [system] peek_char((0x55772f068e50), e)
^  Call: (201) [user] is_delimiter(e)
   Call: (202) [system] char_type(e, space)
   Fail: (202) [system] char_type(e, space)
   Call: (202) [system] arg(_805560, v('(', ')', end_of_file), e)
   Fail: (202) [system] arg(_806492, v('(', ')', end_of_file), e)
^  Fail: (201) [user] is_delimiter(e)
   Call: (201) [system] ')'==e
   Fail: (201) [system] ')'==e
   Call: (201) [system] get_char((0x55772f068e50), e)
   Exit: (201) [system] get_char((0x55772f068e50), e)
   Call: (201) [system] e=(\)
   Fail: (201) [system] e=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _813842)
   Call: (202) [system] peek_char((0x55772f068e50), _814776)
   Exit: (202) [system] peek_char((0x55772f068e50), s)
^  Call: (202) [user] is_delimiter(s)
   Call: (203) [system] char_type(s, space)
   Fail: (203) [system] char_type(s, space)
   Call: (203) [system] arg(_819496, v('(', ')', end_of_file), s)
   Fail: (203) [system] arg(_820428, v('(', ')', end_of_file), s)
^  Fail: (202) [user] is_delimiter(s)
   Call: (202) [system] ')'==s
   Fail: (202) [system] ')'==s
   Call: (202) [system] get_char((0x55772f068e50), s)
   Exit: (202) [system] get_char((0x55772f068e50), s)
   Call: (202) [system] s=(\)
   Fail: (202) [system] s=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _827778)
   Call: (203) [system] peek_char((0x55772f068e50), _828712)
   Exit: (203) [system] peek_char((0x55772f068e50), u)
^  Call: (203) [user] is_delimiter(u)
   Call: (204) [system] char_type(u, space)
   Fail: (204) [system] char_type(u, space)
   Call: (204) [system] arg(_833432, v('(', ')', end_of_file), u)
   Fail: (204) [system] arg(_834364, v('(', ')', end_of_file), u)
^  Fail: (203) [user] is_delimiter(u)
   Call: (203) [system] ')'==u
   Fail: (203) [system] ')'==u
   Call: (203) [system] get_char((0x55772f068e50), u)
   Exit: (203) [system] get_char((0x55772f068e50), u)
   Call: (203) [system] u=(\)
   Fail: (203) [system] u=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _841714)
   Call: (204) [system] peek_char((0x55772f068e50), _842648)
   Exit: (204) [system] peek_char((0x55772f068e50), l)
^  Call: (204) [user] is_delimiter(l)
   Call: (205) [system] char_type(l, space)
   Fail: (205) [system] char_type(l, space)
   Call: (205) [system] arg(_847368, v('(', ')', end_of_file), l)
   Fail: (205) [system] arg(_848300, v('(', ')', end_of_file), l)
^  Fail: (204) [user] is_delimiter(l)
   Call: (204) [system] ')'==l
   Fail: (204) [system] ')'==l
   Call: (204) [system] get_char((0x55772f068e50), l)
   Exit: (204) [system] get_char((0x55772f068e50), l)
   Call: (204) [system] l=(\)
   Fail: (204) [system] l=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _855650)
   Call: (205) [system] peek_char((0x55772f068e50), _856584)
   Exit: (205) [system] peek_char((0x55772f068e50), t)
^  Call: (205) [user] is_delimiter(t)
   Call: (206) [system] char_type(t, space)
   Fail: (206) [system] char_type(t, space)
   Call: (206) [system] arg(_861304, v('(', ')', end_of_file), t)
   Fail: (206) [system] arg(_862236, v('(', ')', end_of_file), t)
^  Fail: (205) [user] is_delimiter(t)
   Call: (205) [system] ')'==t
   Fail: (205) [system] ')'==t
   Call: (205) [system] get_char((0x55772f068e50), t)
   Exit: (205) [system] get_char((0x55772f068e50), t)
   Call: (205) [system] t=(\)
   Fail: (205) [system] t=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _869586)
   Call: (206) [system] peek_char((0x55772f068e50), _870520)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _869586=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (205) [system] _855650=[t]
   Exit: (205) [system] [t]=[t]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [t])
   Call: (204) [system] _841714=[l, t]
   Exit: (204) [system] [l, t]=[l, t]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [l, t])
   Call: (203) [system] _827778=[u, l, t]
   Exit: (203) [system] [u, l, t]=[u, l, t]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [u, l, t])
   Call: (202) [system] _813842=[s, u, l, t]
   Exit: (202) [system] [s, u, l, t]=[s, u, l, t]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [s, u, l, t])
   Call: (201) [system] _799906=[e, s, u, l, t]
   Exit: (201) [system] [e, s, u, l, t]=[e, s, u, l, t]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [e, s, u, l, t])
   Call: (200) [system] _785970=['R', e, s, u, l, t]
   Exit: (200) [system] ['R', e, s, u, l, t]=['R', e, s, u, l, t]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), ['R', e, s, u, l, t])
   Call: (199) [system] _772034=[o, 'R', e, s, u, l, t]
   Exit: (199) [system] [o, 'R', e, s, u, l, t]=[o, 'R', e, s, u, l, t]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [o, 'R', e, s, u, l, t])
   Call: (198) [system] _758098=['T', o, 'R', e, s, u, l, t]
   Exit: (198) [system] ['T', o, 'R', e, s, u, l, t]=['T', o, 'R', e, s, u, l, t]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), ['T', o, 'R', e, s, u, l, t])
   Call: (197) [system] _744162=[l, 'T', o, 'R', e, s, u, l, t]
   Exit: (197) [system] [l, 'T', o, 'R', e, s, u, l, t]=[l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [l, 'T', o, 'R', e, s, u, l, t])
   Call: (196) [system] _730226=[a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (196) [system] [a, l, 'T', o, 'R', e, s, u, l, t]=[a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (195) [system] _716290=[u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (195) [system] [u, a, l, 'T', o, 'R', e, s, u, l, t]=[u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (194) [system] _702354=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (194) [system] [q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (193) [system] _688418=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (193) [system] ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (192) [system] _674482=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (192) [system] [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (191) [system] _660546=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (191) [system] [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (190) [system] _646610=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (190) [system] [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (189) [system] _632674=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (189) [system] [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (188) [system] _618738=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (188) [system] [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (187) [user] read_symbolic_cont(')', (0x55772f068e50), [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
^  Call: (187) [user] classify_and_convert_charseq([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _583228)
^  Call: (188) [user] classify_and_convert_charseq_([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _930096)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_931048, _931050), once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _930096), _931030, fail)), '$restore_trace'(_931048, _931050))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_931048, _931050))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult), _931030, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(assertEqualToResult)
   Exit: (189) [system] atomic(assertEqualToResult)
^  Exit: (188) [user] classify_and_convert_charseq_([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult)
   Call: (188) [system] integer(assertEqualToResult)
   Fail: (188) [system] integer(assertEqualToResult)
   Call: (188) [system] _583228=assertEqualToResult
   Exit: (188) [system] assertEqualToResult=assertEqualToResult
^  Exit: (187) [user] classify_and_convert_charseq([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult)
^  Exit: (186) [user] read_symbolic(')', (0x55772f068e50), a, assertEqualToResult)
^  Exit: (185) [user] cont_sexpr(')', (0x55772f068e50), assertEqualToResult)
^  Call: (185) [user] read_list(')', (0x55772f068e50), _943176)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _945034)
   Exit: (187) [system] peek_char((0x55772f068e50), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x55772f068e50), _954628)
   Exit: (187) [system] get_char((0x55772f068e50), ' ')
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _957332)
   Exit: (188) [system] peek_char((0x55772f068e50), '\n')
   Call: (188) [system] '\n'=(;)
   Fail: (188) [system] '\n'=(;)
   Call: (188) [system] '\n'=(/)
   Fail: (188) [system] '\n'=(/)
^  Call: (188) [user] is_like_space('\n')
   Call: (189) [system] char_type('\n', 'white')
   Fail: (189) [system] char_type('\n', 'white')
   Call: (189) [system] char_type('\n', end_of_line)
   Exit: (189) [system] char_type('\n', end_of_line)
^  Exit: (188) [user] is_like_space('\n')
   Call: (188) [system] get_char((0x55772f068e50), _968782)
   Exit: (188) [system] get_char((0x55772f068e50), '\n')
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _971486)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x55772f068e50), _981080)
   Exit: (189) [system] get_char((0x55772f068e50), ' ')
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _983784)
   Exit: (190) [system] peek_char((0x55772f068e50), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x55772f068e50), _993378)
   Exit: (190) [system] get_char((0x55772f068e50), ' ')
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _996082)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _1015788)
   Exit: (186) [system] peek_char((0x55772f068e50), '(')
   Call: (186) [system] '('=')'
   Fail: (186) [system] '('=')'
   Call: (186) [system] '('=end_of_file
   Fail: (186) [system] '('=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x55772f068e50), _1021358)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1023216)
   Exit: (188) [system] peek_char((0x55772f068e50), '(')
   Call: (188) [system] '('=(;)
   Fail: (188) [system] '('=(;)
   Call: (188) [system] '('=(/)
   Fail: (188) [system] '('=(/)
^  Call: (188) [user] is_like_space('(')
   Call: (189) [system] char_type('(', 'white')
   Fail: (189) [system] char_type('(', 'white')
   Call: (189) [system] char_type('(', end_of_line)
   Fail: (189) [system] char_type('(', end_of_line)
   Call: (189) [system] char_type('(', space)
   Fail: (189) [system] char_type('(', space)
   Call: (189) [system] char_type('(', cntrl)
   Fail: (189) [system] char_type('(', cntrl)
^  Fail: (188) [user] is_like_space('(')
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] get_char((0x55772f068e50), _1039226)
   Exit: (187) [system] get_char((0x55772f068e50), '(')
   Call: (187) [system] '('='('
   Exit: (187) [system] '('='('
^  Call: (187) [user] read_list(')', (0x55772f068e50), _1021358)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1044796)
   Exit: (189) [system] peek_char((0x55772f068e50), s)
   Call: (189) [system] s=(;)
   Fail: (189) [system] s=(;)
   Call: (189) [system] s=(/)
   Fail: (189) [system] s=(/)
^  Call: (189) [user] is_like_space(s)
   Call: (190) [system] char_type(s, 'white')
   Fail: (190) [system] char_type(s, 'white')
   Call: (190) [system] char_type(s, end_of_line)
   Fail: (190) [system] char_type(s, end_of_line)
   Call: (190) [system] char_type(s, space)
   Fail: (190) [system] char_type(s, space)
   Call: (190) [system] char_type(s, cntrl)
   Fail: (190) [system] char_type(s, cntrl)
^  Fail: (189) [user] is_like_space(s)
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1060806)
   Exit: (188) [system] peek_char((0x55772f068e50), s)
   Call: (188) [system] s=')'
   Fail: (188) [system] s=')'
   Call: (188) [system] s=end_of_file
   Fail: (188) [system] s=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x55772f068e50), _1066376)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1068234)
   Exit: (190) [system] peek_char((0x55772f068e50), s)
   Call: (190) [system] s=(;)
   Fail: (190) [system] s=(;)
   Call: (190) [system] s=(/)
   Fail: (190) [system] s=(/)
^  Call: (190) [user] is_like_space(s)
   Call: (191) [system] char_type(s, 'white')
   Fail: (191) [system] char_type(s, 'white')
   Call: (191) [system] char_type(s, end_of_line)
   Fail: (191) [system] char_type(s, end_of_line)
   Call: (191) [system] char_type(s, space)
   Fail: (191) [system] char_type(s, space)
   Call: (191) [system] char_type(s, cntrl)
   Fail: (191) [system] char_type(s, cntrl)
^  Fail: (190) [user] is_like_space(s)
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] get_char((0x55772f068e50), _1084244)
   Exit: (189) [system] get_char((0x55772f068e50), s)
   Call: (189) [system] s='('
   Fail: (189) [system] s='('
   Call: (189) [system] s='['
   Fail: (189) [system] s='['
   Call: (189) [system] s='{'
   Fail: (189) [system] s='{'
   Call: (189) [system] s='"'
   Fail: (189) [system] s='"'
   Call: (189) [system] s=!
   Fail: (189) [system] s=!
   Call: (189) [system] s='\''
   Fail: (189) [system] s='\''
   Call: (189) [system] s='`'
   Fail: (189) [system] s='`'
   Call: (189) [system] s=end_of_file
   Fail: (189) [system] s=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x55772f068e50), s, _1066376)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _1101886)
   Call: (191) [system] peek_char((0x55772f068e50), _1102820)
   Exit: (191) [system] peek_char((0x55772f068e50), y)
^  Call: (191) [user] is_delimiter(y)
   Call: (192) [system] char_type(y, space)
   Fail: (192) [system] char_type(y, space)
   Call: (192) [system] arg(_1107540, v('(', ')', end_of_file), y)
   Fail: (192) [system] arg(_1108472, v('(', ')', end_of_file), y)
^  Fail: (191) [user] is_delimiter(y)
   Call: (191) [system] ')'==y
   Fail: (191) [system] ')'==y
   Call: (191) [system] get_char((0x55772f068e50), y)
   Exit: (191) [system] get_char((0x55772f068e50), y)
   Call: (191) [system] y=(\)
   Fail: (191) [system] y=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _1115822)
   Call: (192) [system] peek_char((0x55772f068e50), _1116756)
   Exit: (192) [system] peek_char((0x55772f068e50), n)
^  Call: (192) [user] is_delimiter(n)
   Call: (193) [system] char_type(n, space)
   Fail: (193) [system] char_type(n, space)
   Call: (193) [system] arg(_1121476, v('(', ')', end_of_file), n)
   Fail: (193) [system] arg(_1122408, v('(', ')', end_of_file), n)
^  Fail: (192) [user] is_delimiter(n)
   Call: (192) [system] ')'==n
   Fail: (192) [system] ')'==n
   Call: (192) [system] get_char((0x55772f068e50), n)
   Exit: (192) [system] get_char((0x55772f068e50), n)
   Call: (192) [system] n=(\)
   Fail: (192) [system] n=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _1129758)
   Call: (193) [system] peek_char((0x55772f068e50), _1130692)
   Exit: (193) [system] peek_char((0x55772f068e50), t)
^  Call: (193) [user] is_delimiter(t)
   Call: (194) [system] char_type(t, space)
   Fail: (194) [system] char_type(t, space)
   Call: (194) [system] arg(_1135412, v('(', ')', end_of_file), t)
   Fail: (194) [system] arg(_1136344, v('(', ')', end_of_file), t)
^  Fail: (193) [user] is_delimiter(t)
   Call: (193) [system] ')'==t
   Fail: (193) [system] ')'==t
   Call: (193) [system] get_char((0x55772f068e50), t)
   Exit: (193) [system] get_char((0x55772f068e50), t)
   Call: (193) [system] t=(\)
   Fail: (193) [system] t=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _1143694)
   Call: (194) [system] peek_char((0x55772f068e50), _1144628)
   Exit: (194) [system] peek_char((0x55772f068e50), h)
^  Call: (194) [user] is_delimiter(h)
   Call: (195) [system] char_type(h, space)
   Fail: (195) [system] char_type(h, space)
   Call: (195) [system] arg(_1149348, v('(', ')', end_of_file), h)
   Fail: (195) [system] arg(_1150280, v('(', ')', end_of_file), h)
^  Fail: (194) [user] is_delimiter(h)
   Call: (194) [system] ')'==h
   Fail: (194) [system] ')'==h
   Call: (194) [system] get_char((0x55772f068e50), h)
   Exit: (194) [system] get_char((0x55772f068e50), h)
   Call: (194) [system] h=(\)
   Fail: (194) [system] h=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _1157630)
   Call: (195) [system] peek_char((0x55772f068e50), _1158564)
   Exit: (195) [system] peek_char((0x55772f068e50), e)
^  Call: (195) [user] is_delimiter(e)
   Call: (196) [system] char_type(e, space)
   Fail: (196) [system] char_type(e, space)
   Call: (196) [system] arg(_1163284, v('(', ')', end_of_file), e)
   Fail: (196) [system] arg(_1164216, v('(', ')', end_of_file), e)
^  Fail: (195) [user] is_delimiter(e)
   Call: (195) [system] ')'==e
   Fail: (195) [system] ')'==e
   Call: (195) [system] get_char((0x55772f068e50), e)
   Exit: (195) [system] get_char((0x55772f068e50), e)
   Call: (195) [system] e=(\)
   Fail: (195) [system] e=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _1171566)
   Call: (196) [system] peek_char((0x55772f068e50), _1172500)
   Exit: (196) [system] peek_char((0x55772f068e50), s)
^  Call: (196) [user] is_delimiter(s)
   Call: (197) [system] char_type(s, space)
   Fail: (197) [system] char_type(s, space)
   Call: (197) [system] arg(_1177220, v('(', ')', end_of_file), s)
   Fail: (197) [system] arg(_1178152, v('(', ')', end_of_file), s)
^  Fail: (196) [user] is_delimiter(s)
   Call: (196) [system] ')'==s
   Fail: (196) [system] ')'==s
   Call: (196) [system] get_char((0x55772f068e50), s)
   Exit: (196) [system] get_char((0x55772f068e50), s)
   Call: (196) [system] s=(\)
   Fail: (196) [system] s=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1185502)
   Call: (197) [system] peek_char((0x55772f068e50), _1186436)
   Exit: (197) [system] peek_char((0x55772f068e50), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Fail: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_1191156, v('(', ')', end_of_file), i)
   Fail: (198) [system] arg(_1192088, v('(', ')', end_of_file), i)
^  Fail: (197) [user] is_delimiter(i)
   Call: (197) [system] ')'==i
   Fail: (197) [system] ')'==i
   Call: (197) [system] get_char((0x55772f068e50), i)
   Exit: (197) [system] get_char((0x55772f068e50), i)
   Call: (197) [system] i=(\)
   Fail: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1199438)
   Call: (198) [system] peek_char((0x55772f068e50), _1200372)
   Exit: (198) [system] peek_char((0x55772f068e50), z)
^  Call: (198) [user] is_delimiter(z)
   Call: (199) [system] char_type(z, space)
   Fail: (199) [system] char_type(z, space)
   Call: (199) [system] arg(_1205092, v('(', ')', end_of_file), z)
   Fail: (199) [system] arg(_1206024, v('(', ')', end_of_file), z)
^  Fail: (198) [user] is_delimiter(z)
   Call: (198) [system] ')'==z
   Fail: (198) [system] ')'==z
   Call: (198) [system] get_char((0x55772f068e50), z)
   Exit: (198) [system] get_char((0x55772f068e50), z)
   Call: (198) [system] z=(\)
   Fail: (198) [system] z=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1213374)
   Call: (199) [system] peek_char((0x55772f068e50), _1214308)
   Exit: (199) [system] peek_char((0x55772f068e50), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Fail: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_1219028, v('(', ')', end_of_file), e)
   Fail: (200) [system] arg(_1219960, v('(', ')', end_of_file), e)
^  Fail: (199) [user] is_delimiter(e)
   Call: (199) [system] ')'==e
   Fail: (199) [system] ')'==e
   Call: (199) [system] get_char((0x55772f068e50), e)
   Exit: (199) [system] get_char((0x55772f068e50), e)
   Call: (199) [system] e=(\)
   Fail: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1227310)
   Call: (200) [system] peek_char((0x55772f068e50), _1228244)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _1227310=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (199) [system] _1213374=[e]
   Exit: (199) [system] [e]=[e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (198) [system] _1199438=[z, e]
   Exit: (198) [system] [z, e]=[z, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [z, e])
   Call: (197) [system] _1185502=[i, z, e]
   Exit: (197) [system] [i, z, e]=[i, z, e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [i, z, e])
   Call: (196) [system] _1171566=[s, i, z, e]
   Exit: (196) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [s, i, z, e])
   Call: (195) [system] _1157630=[e, s, i, z, e]
   Exit: (195) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [e, s, i, z, e])
   Call: (194) [system] _1143694=[h, e, s, i, z, e]
   Exit: (194) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [h, e, s, i, z, e])
   Call: (193) [system] _1129758=[t, h, e, s, i, z, e]
   Exit: (193) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [t, h, e, s, i, z, e])
   Call: (192) [system] _1115822=[n, t, h, e, s, i, z, e]
   Exit: (192) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, h, e, s, i, z, e])
   Call: (191) [system] _1101886=[y, n, t, h, e, s, i, z, e]
   Exit: (191) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [y, n, t, h, e, s, i, z, e])
^  Call: (190) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _1066376)
^  Call: (191) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _1262674)
^  Call: (193) [system] setup_call_cleanup('$notrace'(_1263626, _1263628), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1262674), _1263608, fail)), '$restore_trace'(_1263626, _1263628))
^  Call: (194) [system] sig_atomic(system:'$notrace'(_1263626, _1263628))
^  Exit: (193) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1263608, fail)), system:'$restore_trace'(3, -1))
   Call: (192) [system] atomic(synthesize)
   Exit: (192) [system] atomic(synthesize)
^  Exit: (191) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (191) [system] integer(synthesize)
   Fail: (191) [system] integer(synthesize)
   Call: (191) [system] _1066376=synthesize
   Exit: (191) [system] synthesize=synthesize
^  Exit: (190) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (189) [user] read_symbolic(')', (0x55772f068e50), s, synthesize)
^  Exit: (188) [user] cont_sexpr(')', (0x55772f068e50), synthesize)
^  Call: (188) [user] read_list(')', (0x55772f068e50), _1275754)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1277612)
   Exit: (190) [system] peek_char((0x55772f068e50), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x55772f068e50), _1287206)
   Exit: (190) [system] get_char((0x55772f068e50), ' ')
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1289910)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1306844)
   Exit: (189) [system] peek_char((0x55772f068e50), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x55772f068e50), _1312414)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1314272)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] get_char((0x55772f068e50), _1330282)
   Exit: (190) [system] get_char((0x55772f068e50), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x55772f068e50), _1312414)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1335852)
   Exit: (192) [system] peek_char((0x55772f068e50), :)
   Call: (192) [system] (:)=(;)
   Fail: (192) [system] (:)=(;)
   Call: (192) [system] (:)=(/)
   Fail: (192) [system] (:)=(/)
^  Call: (192) [user] is_like_space(:)
   Call: (193) [system] char_type(:, 'white')
   Fail: (193) [system] char_type(:, 'white')
   Call: (193) [system] char_type(:, end_of_line)
   Fail: (193) [system] char_type(:, end_of_line)
   Call: (193) [system] char_type(:, space)
   Fail: (193) [system] char_type(:, space)
   Call: (193) [system] char_type(:, cntrl)
   Fail: (193) [system] char_type(:, cntrl)
^  Fail: (192) [user] is_like_space(:)
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1351862)
   Exit: (191) [system] peek_char((0x55772f068e50), :)
   Call: (191) [system] (:)=')'
   Fail: (191) [system] (:)=')'
   Call: (191) [system] (:)=end_of_file
   Fail: (191) [system] (:)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x55772f068e50), _1357432)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1359290)
   Exit: (193) [system] peek_char((0x55772f068e50), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
   Call: (193) [system] (:)=(/)
   Fail: (193) [system] (:)=(/)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] get_char((0x55772f068e50), _1375300)
   Exit: (192) [system] get_char((0x55772f068e50), :)
   Call: (192) [system] (:)='('
   Fail: (192) [system] (:)='('
   Call: (192) [system] (:)='['
   Fail: (192) [system] (:)='['
   Call: (192) [system] (:)='{'
   Fail: (192) [system] (:)='{'
   Call: (192) [system] (:)='"'
   Fail: (192) [system] (:)='"'
   Call: (192) [system] (:)=!
   Fail: (192) [system] (:)=!
   Call: (192) [system] (:)='\''
   Fail: (192) [system] (:)='\''
   Call: (192) [system] (:)='`'
   Fail: (192) [system] (:)='`'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x55772f068e50), :, _1357432)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _1392942)
   Call: (194) [system] peek_char((0x55772f068e50), _1393876)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1392942=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (193) [user] classify_and_convert_charseq([:], _1357432)
^  Call: (194) [user] classify_and_convert_charseq_([:], _1403160)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1404112, _1404114), once(user:catch(read_from_chars([:], _1403160), _1404094, fail)), '$restore_trace'(_1404112, _1404114))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1404112, _1404114))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1404094, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(:)
   Exit: (195) [system] atomic(:)
^  Exit: (194) [user] classify_and_convert_charseq_([:], :)
   Call: (194) [system] integer(:)
   Fail: (194) [system] integer(:)
   Call: (194) [system] _1357432=(:)
   Exit: (194) [system] (:)=(:)
^  Exit: (193) [user] classify_and_convert_charseq([:], :)
^  Exit: (192) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (191) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (191) [user] read_list(')', (0x55772f068e50), _1416240)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1418098)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _1427692)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1430396)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1447330)
   Exit: (192) [system] peek_char((0x55772f068e50), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _1452900)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1454758)
   Exit: (194) [system] peek_char((0x55772f068e50), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _1470768)
   Exit: (193) [system] get_char((0x55772f068e50), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x55772f068e50), $, _1452900)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _1488410)
   Call: (195) [system] peek_char((0x55772f068e50), _1489344)
   Exit: (195) [system] peek_char((0x55772f068e50), t)
^  Call: (195) [user] is_delimiter(t)
   Call: (196) [system] char_type(t, space)
   Fail: (196) [system] char_type(t, space)
   Call: (196) [system] arg(_1494064, v('(', ')', end_of_file), t)
   Fail: (196) [system] arg(_1494996, v('(', ')', end_of_file), t)
^  Fail: (195) [user] is_delimiter(t)
   Call: (195) [system] ')'==t
   Fail: (195) [system] ')'==t
   Call: (195) [system] get_char((0x55772f068e50), t)
   Exit: (195) [system] get_char((0x55772f068e50), t)
   Call: (195) [system] t=(\)
   Fail: (195) [system] t=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _1502346)
   Call: (196) [system] peek_char((0x55772f068e50), _1503280)
   Exit: (196) [system] peek_char((0x55772f068e50), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Fail: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_1508000, v('(', ')', end_of_file), e)
   Fail: (197) [system] arg(_1508932, v('(', ')', end_of_file), e)
^  Fail: (196) [user] is_delimiter(e)
   Call: (196) [system] ')'==e
   Fail: (196) [system] ')'==e
   Call: (196) [system] get_char((0x55772f068e50), e)
   Exit: (196) [system] get_char((0x55772f068e50), e)
   Call: (196) [system] e=(\)
   Fail: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1516282)
   Call: (197) [system] peek_char((0x55772f068e50), _1517216)
   Exit: (197) [system] peek_char((0x55772f068e50), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_1521936, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_1522868, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x55772f068e50), r)
   Exit: (197) [system] get_char((0x55772f068e50), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1530218)
   Call: (198) [system] peek_char((0x55772f068e50), _1531152)
   Exit: (198) [system] peek_char((0x55772f068e50), m)
^  Call: (198) [user] is_delimiter(m)
   Call: (199) [system] char_type(m, space)
   Fail: (199) [system] char_type(m, space)
   Call: (199) [system] arg(_1535872, v('(', ')', end_of_file), m)
   Fail: (199) [system] arg(_1536804, v('(', ')', end_of_file), m)
^  Fail: (198) [user] is_delimiter(m)
   Call: (198) [system] ')'==m
   Fail: (198) [system] ')'==m
   Call: (198) [system] get_char((0x55772f068e50), m)
   Exit: (198) [system] get_char((0x55772f068e50), m)
   Call: (198) [system] m=(\)
   Fail: (198) [system] m=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1544154)
   Call: (199) [system] peek_char((0x55772f068e50), _1545088)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _1544154=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (198) [system] _1530218=[m]
   Exit: (198) [system] [m]=[m]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [m])
   Call: (197) [system] _1516282=[r, m]
   Exit: (197) [system] [r, m]=[r, m]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [r, m])
   Call: (196) [system] _1502346=[e, r, m]
   Exit: (196) [system] [e, r, m]=[e, r, m]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [e, r, m])
   Call: (195) [system] _1488410=[t, e, r, m]
   Exit: (195) [system] [t, e, r, m]=[t, e, r, m]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [t, e, r, m])
^  Call: (194) [user] classify_and_convert_charseq([$, t, e, r, m], _1452900)
^  Call: (195) [user] classify_and_convert_charseq_([$, t, e, r, m], _1565548)
   Call: (196) [system] atom_chars(_1566480, ['_', t, e, r, m])
   Exit: (196) [system] atom_chars('_term', ['_', t, e, r, m])
^  Exit: (195) [user] classify_and_convert_charseq_([$, t, e, r, m], _term)
   Call: (195) [system] integer(_term)
   Fail: (195) [system] integer(_term)
   Call: (195) [system] _1452900=_term
   Exit: (195) [system] _term=_term
^  Exit: (194) [user] classify_and_convert_charseq([$, t, e, r, m], _term)
^  Exit: (193) [user] read_symbolic(')', (0x55772f068e50), $, _term)
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), _term)
^  Call: (192) [user] read_list(')', (0x55772f068e50), _1575772)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1577630)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _1587224)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1589928)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1606862)
   Exit: (193) [system] peek_char((0x55772f068e50), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _1612432)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1614290)
   Exit: (195) [system] peek_char((0x55772f068e50), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _1630300)
   Exit: (194) [system] get_char((0x55772f068e50), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x55772f068e50), $, _1612432)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _1647942)
   Call: (196) [system] peek_char((0x55772f068e50), _1648876)
   Exit: (196) [system] peek_char((0x55772f068e50), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_1653596, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_1654528, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x55772f068e50), t)
   Exit: (196) [system] get_char((0x55772f068e50), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1661878)
   Call: (197) [system] peek_char((0x55772f068e50), _1662812)
   Exit: (197) [system] peek_char((0x55772f068e50), y)
^  Call: (197) [user] is_delimiter(y)
   Call: (198) [system] char_type(y, space)
   Fail: (198) [system] char_type(y, space)
   Call: (198) [system] arg(_1667532, v('(', ')', end_of_file), y)
   Fail: (198) [system] arg(_1668464, v('(', ')', end_of_file), y)
^  Fail: (197) [user] is_delimiter(y)
   Call: (197) [system] ')'==y
   Fail: (197) [system] ')'==y
   Call: (197) [system] get_char((0x55772f068e50), y)
   Exit: (197) [system] get_char((0x55772f068e50), y)
   Call: (197) [system] y=(\)
   Fail: (197) [system] y=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1675814)
   Call: (198) [system] peek_char((0x55772f068e50), _1676748)
   Exit: (198) [system] peek_char((0x55772f068e50), p)
^  Call: (198) [user] is_delimiter(p)
   Call: (199) [system] char_type(p, space)
   Fail: (199) [system] char_type(p, space)
   Call: (199) [system] arg(_1681468, v('(', ')', end_of_file), p)
   Fail: (199) [system] arg(_1682400, v('(', ')', end_of_file), p)
^  Fail: (198) [user] is_delimiter(p)
   Call: (198) [system] ')'==p
   Fail: (198) [system] ')'==p
   Call: (198) [system] get_char((0x55772f068e50), p)
   Exit: (198) [system] get_char((0x55772f068e50), p)
   Call: (198) [system] p=(\)
   Fail: (198) [system] p=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1689750)
   Call: (199) [system] peek_char((0x55772f068e50), _1690684)
   Exit: (199) [system] peek_char((0x55772f068e50), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Fail: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_1695404, v('(', ')', end_of_file), e)
   Fail: (200) [system] arg(_1696336, v('(', ')', end_of_file), e)
^  Fail: (199) [user] is_delimiter(e)
   Call: (199) [system] ')'==e
   Fail: (199) [system] ')'==e
   Call: (199) [system] get_char((0x55772f068e50), e)
   Exit: (199) [system] get_char((0x55772f068e50), e)
   Call: (199) [system] e=(\)
   Fail: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1703686)
   Call: (200) [system] peek_char((0x55772f068e50), _1704620)
   Exit: (200) [system] peek_char((0x55772f068e50), ')')
^  Call: (200) [user] is_delimiter(')')
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] arg(_1709340, v('(', ')', end_of_file), ')')
   Exit: (201) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (200) [user] is_delimiter(')')
   Call: (200) [system] _1703686=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (199) [system] _1689750=[e]
   Exit: (199) [system] [e]=[e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (198) [system] _1675814=[p, e]
   Exit: (198) [system] [p, e]=[p, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [p, e])
   Call: (197) [system] _1661878=[y, p, e]
   Exit: (197) [system] [y, p, e]=[y, p, e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [y, p, e])
   Call: (196) [system] _1647942=[t, y, p, e]
   Exit: (196) [system] [t, y, p, e]=[t, y, p, e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [t, y, p, e])
^  Call: (195) [user] classify_and_convert_charseq([$, t, y, p, e], _1612432)
^  Call: (196) [user] classify_and_convert_charseq_([$, t, y, p, e], _1726952)
   Call: (197) [system] atom_chars(_1727884, ['_', t, y, p, e])
   Exit: (197) [system] atom_chars('_type', ['_', t, y, p, e])
^  Exit: (196) [user] classify_and_convert_charseq_([$, t, y, p, e], _type)
   Call: (196) [system] integer(_type)
   Fail: (196) [system] integer(_type)
   Call: (196) [system] _1612432=_type
   Exit: (196) [system] _type=_type
^  Exit: (195) [user] classify_and_convert_charseq([$, t, y, p, e], _type)
^  Exit: (194) [user] read_symbolic(')', (0x55772f068e50), $, _type)
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), _type)
^  Call: (193) [user] read_list(')', (0x55772f068e50), _1737176)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1739034)
   Exit: (195) [system] peek_char((0x55772f068e50), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1755044)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x55772f068e50), _1758834)
   Exit: (194) [system] get_char((0x55772f068e50), ')')
   Call: (194) [system] _1737176=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [])
   Call: (193) [system] _1575772=[_type]
   Exit: (193) [system] [_type]=[_type]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [_type])
   Call: (192) [system] _1416240=[_term, _type]
   Exit: (192) [system] [_term, _type]=[_term, _type]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [_term, _type])
   Call: (191) [system] _1312414=[:, _term, _type]
   Exit: (191) [system] [:, _term, _type]=[:, _term, _type]
^  Exit: (190) [user] read_list(')', (0x55772f068e50), [:, _term, _type])
^  Exit: (189) [user] cont_sexpr(')', (0x55772f068e50), [:, _term, _type])
^  Call: (189) [user] read_list(')', (0x55772f068e50), _1772716)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1774574)
   Exit: (191) [system] peek_char((0x55772f068e50), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x55772f068e50), _1784168)
   Exit: (191) [system] get_char((0x55772f068e50), ' ')
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1786872)
   Exit: (192) [system] peek_char((0x55772f068e50), k)
   Call: (192) [system] k=(;)
   Fail: (192) [system] k=(;)
   Call: (192) [system] k=(/)
   Fail: (192) [system] k=(/)
^  Call: (192) [user] is_like_space(k)
   Call: (193) [system] char_type(k, 'white')
   Fail: (193) [system] char_type(k, 'white')
   Call: (193) [system] char_type(k, end_of_line)
   Fail: (193) [system] char_type(k, end_of_line)
   Call: (193) [system] char_type(k, space)
   Fail: (193) [system] char_type(k, space)
   Call: (193) [system] char_type(k, cntrl)
   Fail: (193) [system] char_type(k, cntrl)
^  Fail: (192) [user] is_like_space(k)
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _1803806)
   Exit: (190) [system] peek_char((0x55772f068e50), k)
   Call: (190) [system] k=')'
   Fail: (190) [system] k=')'
   Call: (190) [system] k=end_of_file
   Fail: (190) [system] k=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x55772f068e50), _1809376)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1811234)
   Exit: (192) [system] peek_char((0x55772f068e50), k)
   Call: (192) [system] k=(;)
   Fail: (192) [system] k=(;)
   Call: (192) [system] k=(/)
   Fail: (192) [system] k=(/)
^  Call: (192) [user] is_like_space(k)
   Call: (193) [system] char_type(k, 'white')
   Fail: (193) [system] char_type(k, 'white')
   Call: (193) [system] char_type(k, end_of_line)
   Fail: (193) [system] char_type(k, end_of_line)
   Call: (193) [system] char_type(k, space)
   Fail: (193) [system] char_type(k, space)
   Call: (193) [system] char_type(k, cntrl)
   Fail: (193) [system] char_type(k, cntrl)
^  Fail: (192) [user] is_like_space(k)
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] get_char((0x55772f068e50), _1827244)
   Exit: (191) [system] get_char((0x55772f068e50), k)
   Call: (191) [system] k='('
   Fail: (191) [system] k='('
   Call: (191) [system] k='['
   Fail: (191) [system] k='['
   Call: (191) [system] k='{'
   Fail: (191) [system] k='{'
   Call: (191) [system] k='"'
   Fail: (191) [system] k='"'
   Call: (191) [system] k=!
   Fail: (191) [system] k=!
   Call: (191) [system] k='\''
   Fail: (191) [system] k='\''
   Call: (191) [system] k='`'
   Fail: (191) [system] k='`'
   Call: (191) [system] k=end_of_file
   Fail: (191) [system] k=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x55772f068e50), k, _1809376)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _1844886)
   Call: (193) [system] peek_char((0x55772f068e50), _1845820)
   Exit: (193) [system] peek_char((0x55772f068e50), b)
^  Call: (193) [user] is_delimiter(b)
   Call: (194) [system] char_type(b, space)
   Fail: (194) [system] char_type(b, space)
   Call: (194) [system] arg(_1850540, v('(', ')', end_of_file), b)
   Fail: (194) [system] arg(_1851472, v('(', ')', end_of_file), b)
^  Fail: (193) [user] is_delimiter(b)
   Call: (193) [system] ')'==b
   Fail: (193) [system] ')'==b
   Call: (193) [system] get_char((0x55772f068e50), b)
   Exit: (193) [system] get_char((0x55772f068e50), b)
   Call: (193) [system] b=(\)
   Fail: (193) [system] b=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _1858822)
   Call: (194) [system] peek_char((0x55772f068e50), _1859756)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1858822=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (193) [system] _1844886=[b]
   Exit: (193) [system] [b]=[b]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
^  Call: (192) [user] classify_and_convert_charseq([k, b], _1809376)
^  Call: (193) [user] classify_and_convert_charseq_([k, b], _1871834)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_1872786, _1872788), once(user:catch(read_from_chars([k, b], _1871834), _1872768, fail)), '$restore_trace'(_1872786, _1872788))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_1872786, _1872788))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _1872768, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(kb)
   Exit: (194) [system] atomic(kb)
^  Exit: (193) [user] classify_and_convert_charseq_([k, b], kb)
   Call: (193) [system] integer(kb)
   Fail: (193) [system] integer(kb)
   Call: (193) [system] _1809376=kb
   Exit: (193) [system] kb=kb
^  Exit: (192) [user] classify_and_convert_charseq([k, b], kb)
^  Exit: (191) [user] read_symbolic(')', (0x55772f068e50), k, kb)
^  Exit: (190) [user] cont_sexpr(')', (0x55772f068e50), kb)
^  Call: (190) [user] read_list(')', (0x55772f068e50), _1884914)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1886772)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x55772f068e50), _1896366)
   Exit: (192) [system] get_char((0x55772f068e50), ' ')
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1899070)
   Exit: (193) [system] peek_char((0x55772f068e50), r)
   Call: (193) [system] r=(;)
   Fail: (193) [system] r=(;)
   Call: (193) [system] r=(/)
   Fail: (193) [system] r=(/)
^  Call: (193) [user] is_like_space(r)
   Call: (194) [system] char_type(r, 'white')
   Fail: (194) [system] char_type(r, 'white')
   Call: (194) [system] char_type(r, end_of_line)
   Fail: (194) [system] char_type(r, end_of_line)
   Call: (194) [system] char_type(r, space)
   Fail: (194) [system] char_type(r, space)
   Call: (194) [system] char_type(r, cntrl)
   Fail: (194) [system] char_type(r, cntrl)
^  Fail: (193) [user] is_like_space(r)
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _1916004)
   Exit: (191) [system] peek_char((0x55772f068e50), r)
   Call: (191) [system] r=')'
   Fail: (191) [system] r=')'
   Call: (191) [system] r=end_of_file
   Fail: (191) [system] r=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x55772f068e50), _1921574)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1923432)
   Exit: (193) [system] peek_char((0x55772f068e50), r)
   Call: (193) [system] r=(;)
   Fail: (193) [system] r=(;)
   Call: (193) [system] r=(/)
   Fail: (193) [system] r=(/)
^  Call: (193) [user] is_like_space(r)
   Call: (194) [system] char_type(r, 'white')
   Fail: (194) [system] char_type(r, 'white')
   Call: (194) [system] char_type(r, end_of_line)
   Fail: (194) [system] char_type(r, end_of_line)
   Call: (194) [system] char_type(r, space)
   Fail: (194) [system] char_type(r, space)
   Call: (194) [system] char_type(r, cntrl)
   Fail: (194) [system] char_type(r, cntrl)
^  Fail: (193) [user] is_like_space(r)
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] get_char((0x55772f068e50), _1939442)
   Exit: (192) [system] get_char((0x55772f068e50), r)
   Call: (192) [system] r='('
   Fail: (192) [system] r='('
   Call: (192) [system] r='['
   Fail: (192) [system] r='['
   Call: (192) [system] r='{'
   Fail: (192) [system] r='{'
   Call: (192) [system] r='"'
   Fail: (192) [system] r='"'
   Call: (192) [system] r=!
   Fail: (192) [system] r=!
   Call: (192) [system] r='\''
   Fail: (192) [system] r='\''
   Call: (192) [system] r='`'
   Fail: (192) [system] r='`'
   Call: (192) [system] r=end_of_file
   Fail: (192) [system] r=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x55772f068e50), r, _1921574)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _1957084)
   Call: (194) [system] peek_char((0x55772f068e50), _1958018)
   Exit: (194) [system] peek_char((0x55772f068e50), b)
^  Call: (194) [user] is_delimiter(b)
   Call: (195) [system] char_type(b, space)
   Fail: (195) [system] char_type(b, space)
   Call: (195) [system] arg(_1962738, v('(', ')', end_of_file), b)
   Fail: (195) [system] arg(_1963670, v('(', ')', end_of_file), b)
^  Fail: (194) [user] is_delimiter(b)
   Call: (194) [system] ')'==b
   Fail: (194) [system] ')'==b
   Call: (194) [system] get_char((0x55772f068e50), b)
   Exit: (194) [system] get_char((0x55772f068e50), b)
   Call: (194) [system] b=(\)
   Fail: (194) [system] b=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _1971020)
   Call: (195) [system] peek_char((0x55772f068e50), _1971954)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _1971020=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (194) [system] _1957084=[b]
   Exit: (194) [system] [b]=[b]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
^  Call: (193) [user] classify_and_convert_charseq([r, b], _1921574)
^  Call: (194) [user] classify_and_convert_charseq_([r, b], _1984032)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1984984, _1984986), once(user:catch(read_from_chars([r, b], _1984032), _1984966, fail)), '$restore_trace'(_1984984, _1984986))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1984984, _1984986))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _1984966, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(rb)
   Exit: (195) [system] atomic(rb)
^  Exit: (194) [user] classify_and_convert_charseq_([r, b], rb)
   Call: (194) [system] integer(rb)
   Fail: (194) [system] integer(rb)
   Call: (194) [system] _1921574=rb
   Exit: (194) [system] rb=rb
^  Exit: (193) [user] classify_and_convert_charseq([r, b], rb)
^  Exit: (192) [user] read_symbolic(')', (0x55772f068e50), r, rb)
^  Exit: (191) [user] cont_sexpr(')', (0x55772f068e50), rb)
^  Call: (191) [user] read_list(')', (0x55772f068e50), _1997112)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1998970)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _2008564)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _2011268)
   Exit: (194) [system] peek_char((0x55772f068e50), 'Z')
   Call: (194) [system] 'Z'=(;)
   Fail: (194) [system] 'Z'=(;)
   Call: (194) [system] 'Z'=(/)
   Fail: (194) [system] 'Z'=(/)
^  Call: (194) [user] is_like_space('Z')
   Call: (195) [system] char_type('Z', 'white')
   Fail: (195) [system] char_type('Z', 'white')
   Call: (195) [system] char_type('Z', end_of_line)
   Fail: (195) [system] char_type('Z', end_of_line)
   Call: (195) [system] char_type('Z', space)
   Fail: (195) [system] char_type('Z', space)
   Call: (195) [system] char_type('Z', cntrl)
   Fail: (195) [system] char_type('Z', cntrl)
^  Fail: (194) [user] is_like_space('Z')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _2028202)
   Exit: (192) [system] peek_char((0x55772f068e50), 'Z')
   Call: (192) [system] 'Z'=')'
   Fail: (192) [system] 'Z'=')'
   Call: (192) [system] 'Z'=end_of_file
   Fail: (192) [system] 'Z'=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _2033772)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _2035630)
   Exit: (194) [system] peek_char((0x55772f068e50), 'Z')
   Call: (194) [system] 'Z'=(;)
   Fail: (194) [system] 'Z'=(;)
   Call: (194) [system] 'Z'=(/)
   Fail: (194) [system] 'Z'=(/)
^  Call: (194) [user] is_like_space('Z')
   Call: (195) [system] char_type('Z', 'white')
   Fail: (195) [system] char_type('Z', 'white')
   Call: (195) [system] char_type('Z', end_of_line)
   Fail: (195) [system] char_type('Z', end_of_line)
   Call: (195) [system] char_type('Z', space)
   Fail: (195) [system] char_type('Z', space)
   Call: (195) [system] char_type('Z', cntrl)
   Fail: (195) [system] char_type('Z', cntrl)
^  Fail: (194) [user] is_like_space('Z')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _2051640)
   Exit: (193) [system] get_char((0x55772f068e50), 'Z')
   Call: (193) [system] 'Z'='('
   Fail: (193) [system] 'Z'='('
   Call: (193) [system] 'Z'='['
   Fail: (193) [system] 'Z'='['
   Call: (193) [system] 'Z'='{'
   Fail: (193) [system] 'Z'='{'
   Call: (193) [system] 'Z'='"'
   Fail: (193) [system] 'Z'='"'
   Call: (193) [system] 'Z'=!
   Fail: (193) [system] 'Z'=!
   Call: (193) [system] 'Z'='\''
   Fail: (193) [system] 'Z'='\''
   Call: (193) [system] 'Z'='`'
   Fail: (193) [system] 'Z'='`'
   Call: (193) [system] 'Z'=end_of_file
   Fail: (193) [system] 'Z'=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x55772f068e50), 'Z', _2033772)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _2069282)
   Call: (195) [system] peek_char((0x55772f068e50), _2070216)
   Exit: (195) [system] peek_char((0x55772f068e50), ')')
^  Call: (195) [user] is_delimiter(')')
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] arg(_2074936, v('(', ')', end_of_file), ')')
   Exit: (196) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (195) [user] is_delimiter(')')
   Call: (195) [system] _2069282=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (194) [user] classify_and_convert_charseq(['Z'], _2033772)
^  Call: (195) [user] classify_and_convert_charseq_(['Z'], _2081372)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_2082324, _2082326), once(user:catch(read_from_chars(['Z'], _2081372), _2082306, fail)), '$restore_trace'(_2082324, _2082326))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_2082324, _2082326))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['Z'], _2081372), _2082306, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(_2081372)
   Fail: (196) [system] atomic(_2081372)
   Call: (196) [system] atom_chars(_2081372, ['Z'])
   Exit: (196) [system] atom_chars('Z', ['Z'])
^  Exit: (195) [user] classify_and_convert_charseq_(['Z'], 'Z')
   Call: (195) [system] integer('Z')
   Fail: (195) [system] integer('Z')
   Call: (195) [system] _2033772='Z'
   Exit: (195) [system] 'Z'='Z'
^  Exit: (194) [user] classify_and_convert_charseq(['Z'], 'Z')
^  Exit: (193) [user] read_symbolic(')', (0x55772f068e50), 'Z', 'Z')
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), 'Z')
^  Call: (192) [user] read_list(')', (0x55772f068e50), _3432)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _4882)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _20892)
   Exit: (193) [system] peek_char((0x55772f068e50), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x55772f068e50), _24682)
   Exit: (193) [system] get_char((0x55772f068e50), ')')
   Call: (193) [system] _3432=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [])
   Call: (192) [system] _3424=['Z']
   Exit: (192) [system] ['Z']=['Z']
^  Exit: (191) [user] read_list(')', (0x55772f068e50), ['Z'])
   Call: (191) [system] _3418=[rb, 'Z']
   Exit: (191) [system] [rb, 'Z']=[rb, 'Z']
^  Exit: (190) [user] read_list(')', (0x55772f068e50), [rb, 'Z'])
   Call: (190) [system] _3412=[kb, rb, 'Z']
   Exit: (190) [system] [kb, rb, 'Z']=[kb, rb, 'Z']
^  Exit: (189) [user] read_list(')', (0x55772f068e50), [kb, rb, 'Z'])
   Call: (189) [system] _3380=[[:, _term, _type], kb, rb, 'Z']
   Exit: (189) [system] [[:, _term, _type], kb, rb, 'Z']=[[:, _term, _type], kb, rb, 'Z']
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [[:, _term, _type], kb, rb, 'Z'])
   Call: (188) [system] _3372=[synthesize, [:, _term, _type], kb, rb, 'Z']
   Exit: (188) [system] [synthesize, [:, _term, _type], kb, rb, 'Z']=[synthesize, [:, _term, _type], kb, rb, 'Z']
^  Exit: (187) [user] read_list(')', (0x55772f068e50), [synthesize, [:, _term, _type], kb, rb, 'Z'])
^  Exit: (186) [user] cont_sexpr(')', (0x55772f068e50), [synthesize, [:, _term, _type], kb, rb, 'Z'])
^  Call: (186) [user] read_list(')', (0x55772f068e50), _44152)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _46010)
   Exit: (188) [system] peek_char((0x55772f068e50), '\n')
   Call: (188) [system] '\n'=(;)
   Fail: (188) [system] '\n'=(;)
   Call: (188) [system] '\n'=(/)
   Fail: (188) [system] '\n'=(/)
^  Call: (188) [user] is_like_space('\n')
   Call: (189) [system] char_type('\n', 'white')
   Fail: (189) [system] char_type('\n', 'white')
   Call: (189) [system] char_type('\n', end_of_line)
   Exit: (189) [system] char_type('\n', end_of_line)
^  Exit: (188) [user] is_like_space('\n')
   Call: (188) [system] get_char((0x55772f068e50), _57460)
   Exit: (188) [system] get_char((0x55772f068e50), '\n')
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _60164)
   Exit: (189) [system] peek_char((0x55772f068e50), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x55772f068e50), _69758)
   Exit: (189) [system] get_char((0x55772f068e50), ' ')
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _72462)
   Exit: (190) [system] peek_char((0x55772f068e50), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x55772f068e50), _82056)
   Exit: (190) [system] get_char((0x55772f068e50), ' ')
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _84760)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _103542)
   Exit: (187) [system] peek_char((0x55772f068e50), '(')
   Call: (187) [system] '('=')'
   Fail: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
   Fail: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x55772f068e50), _109112)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _110970)
   Exit: (189) [system] peek_char((0x55772f068e50), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] get_char((0x55772f068e50), _126980)
   Exit: (188) [system] get_char((0x55772f068e50), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x55772f068e50), _109112)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _132550)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _148560)
   Exit: (189) [system] peek_char((0x55772f068e50), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x55772f068e50), _154130)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _155988)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] get_char((0x55772f068e50), _171998)
   Exit: (190) [system] get_char((0x55772f068e50), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x55772f068e50), _154130)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _177568)
   Exit: (192) [system] peek_char((0x55772f068e50), :)
   Call: (192) [system] (:)=(;)
   Fail: (192) [system] (:)=(;)
   Call: (192) [system] (:)=(/)
   Fail: (192) [system] (:)=(/)
^  Call: (192) [user] is_like_space(:)
   Call: (193) [system] char_type(:, 'white')
   Fail: (193) [system] char_type(:, 'white')
   Call: (193) [system] char_type(:, end_of_line)
   Fail: (193) [system] char_type(:, end_of_line)
   Call: (193) [system] char_type(:, space)
   Fail: (193) [system] char_type(:, space)
   Call: (193) [system] char_type(:, cntrl)
   Fail: (193) [system] char_type(:, cntrl)
^  Fail: (192) [user] is_like_space(:)
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _193578)
   Exit: (191) [system] peek_char((0x55772f068e50), :)
   Call: (191) [system] (:)=')'
   Fail: (191) [system] (:)=')'
   Call: (191) [system] (:)=end_of_file
   Fail: (191) [system] (:)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x55772f068e50), _199148)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _201006)
   Exit: (193) [system] peek_char((0x55772f068e50), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
   Call: (193) [system] (:)=(/)
   Fail: (193) [system] (:)=(/)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] get_char((0x55772f068e50), _217016)
   Exit: (192) [system] get_char((0x55772f068e50), :)
   Call: (192) [system] (:)='('
   Fail: (192) [system] (:)='('
   Call: (192) [system] (:)='['
   Fail: (192) [system] (:)='['
   Call: (192) [system] (:)='{'
   Fail: (192) [system] (:)='{'
   Call: (192) [system] (:)='"'
   Fail: (192) [system] (:)='"'
   Call: (192) [system] (:)=!
   Fail: (192) [system] (:)=!
   Call: (192) [system] (:)='\''
   Fail: (192) [system] (:)='\''
   Call: (192) [system] (:)='`'
   Fail: (192) [system] (:)='`'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x55772f068e50), :, _199148)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _234658)
   Call: (194) [system] peek_char((0x55772f068e50), _235592)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _234658=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (193) [user] classify_and_convert_charseq([:], _199148)
^  Call: (194) [user] classify_and_convert_charseq_([:], _244876)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_245828, _245830), once(user:catch(read_from_chars([:], _244876), _245810, fail)), '$restore_trace'(_245828, _245830))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_245828, _245830))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _245810, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(:)
   Exit: (195) [system] atomic(:)
^  Exit: (194) [user] classify_and_convert_charseq_([:], :)
   Call: (194) [system] integer(:)
   Fail: (194) [system] integer(:)
   Call: (194) [system] _199148=(:)
   Exit: (194) [system] (:)=(:)
^  Exit: (193) [user] classify_and_convert_charseq([:], :)
^  Exit: (192) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (191) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (191) [user] read_list(')', (0x55772f068e50), _257956)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _259814)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _269408)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _272112)
   Exit: (194) [system] peek_char((0x55772f068e50), a)
   Call: (194) [system] a=(;)
   Fail: (194) [system] a=(;)
   Call: (194) [system] a=(/)
   Fail: (194) [system] a=(/)
^  Call: (194) [user] is_like_space(a)
   Call: (195) [system] char_type(a, 'white')
   Fail: (195) [system] char_type(a, 'white')
   Call: (195) [system] char_type(a, end_of_line)
   Fail: (195) [system] char_type(a, end_of_line)
   Call: (195) [system] char_type(a, space)
   Fail: (195) [system] char_type(a, space)
   Call: (195) [system] char_type(a, cntrl)
   Fail: (195) [system] char_type(a, cntrl)
^  Fail: (194) [user] is_like_space(a)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _289046)
   Exit: (192) [system] peek_char((0x55772f068e50), a)
   Call: (192) [system] a=')'
   Fail: (192) [system] a=')'
   Call: (192) [system] a=end_of_file
   Fail: (192) [system] a=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _294616)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _296474)
   Exit: (194) [system] peek_char((0x55772f068e50), a)
   Call: (194) [system] a=(;)
   Fail: (194) [system] a=(;)
   Call: (194) [system] a=(/)
   Fail: (194) [system] a=(/)
^  Call: (194) [user] is_like_space(a)
   Call: (195) [system] char_type(a, 'white')
   Fail: (195) [system] char_type(a, 'white')
   Call: (195) [system] char_type(a, end_of_line)
   Fail: (195) [system] char_type(a, end_of_line)
   Call: (195) [system] char_type(a, space)
   Fail: (195) [system] char_type(a, space)
   Call: (195) [system] char_type(a, cntrl)
   Fail: (195) [system] char_type(a, cntrl)
^  Fail: (194) [user] is_like_space(a)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _312484)
   Exit: (193) [system] get_char((0x55772f068e50), a)
   Call: (193) [system] a='('
   Fail: (193) [system] a='('
   Call: (193) [system] a='['
   Fail: (193) [system] a='['
   Call: (193) [system] a='{'
   Fail: (193) [system] a='{'
   Call: (193) [system] a='"'
   Fail: (193) [system] a='"'
   Call: (193) [system] a=!
   Fail: (193) [system] a=!
   Call: (193) [system] a='\''
   Fail: (193) [system] a='\''
   Call: (193) [system] a='`'
   Fail: (193) [system] a='`'
   Call: (193) [system] a=end_of_file
   Fail: (193) [system] a=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x55772f068e50), a, _294616)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _330126)
   Call: (195) [system] peek_char((0x55772f068e50), _331060)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _330126=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (194) [user] classify_and_convert_charseq([a], _294616)
^  Call: (195) [user] classify_and_convert_charseq_([a], _340344)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_341296, _341298), once(user:catch(read_from_chars([a], _340344), _341278, fail)), '$restore_trace'(_341296, _341298))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_341296, _341298))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _341278, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(a)
   Exit: (196) [system] atomic(a)
^  Exit: (195) [user] classify_and_convert_charseq_([a], a)
   Call: (195) [system] integer(a)
   Fail: (195) [system] integer(a)
   Call: (195) [system] _294616=a
   Exit: (195) [system] a=a
^  Exit: (194) [user] classify_and_convert_charseq([a], a)
^  Exit: (193) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (192) [user] read_list(')', (0x55772f068e50), _353424)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _355282)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _364876)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _367580)
   Exit: (195) [system] peek_char((0x55772f068e50), 'A')
   Call: (195) [system] 'A'=(;)
   Fail: (195) [system] 'A'=(;)
   Call: (195) [system] 'A'=(/)
   Fail: (195) [system] 'A'=(/)
^  Call: (195) [user] is_like_space('A')
   Call: (196) [system] char_type('A', 'white')
   Fail: (196) [system] char_type('A', 'white')
   Call: (196) [system] char_type('A', end_of_line)
   Fail: (196) [system] char_type('A', end_of_line)
   Call: (196) [system] char_type('A', space)
   Fail: (196) [system] char_type('A', space)
   Call: (196) [system] char_type('A', cntrl)
   Fail: (196) [system] char_type('A', cntrl)
^  Fail: (195) [user] is_like_space('A')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _384514)
   Exit: (193) [system] peek_char((0x55772f068e50), 'A')
   Call: (193) [system] 'A'=')'
   Fail: (193) [system] 'A'=')'
   Call: (193) [system] 'A'=end_of_file
   Fail: (193) [system] 'A'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _390084)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _391942)
   Exit: (195) [system] peek_char((0x55772f068e50), 'A')
   Call: (195) [system] 'A'=(;)
   Fail: (195) [system] 'A'=(;)
   Call: (195) [system] 'A'=(/)
   Fail: (195) [system] 'A'=(/)
^  Call: (195) [user] is_like_space('A')
   Call: (196) [system] char_type('A', 'white')
   Fail: (196) [system] char_type('A', 'white')
   Call: (196) [system] char_type('A', end_of_line)
   Fail: (196) [system] char_type('A', end_of_line)
   Call: (196) [system] char_type('A', space)
   Fail: (196) [system] char_type('A', space)
   Call: (196) [system] char_type('A', cntrl)
   Fail: (196) [system] char_type('A', cntrl)
^  Fail: (195) [user] is_like_space('A')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _407952)
   Exit: (194) [system] get_char((0x55772f068e50), 'A')
   Call: (194) [system] 'A'='('
   Fail: (194) [system] 'A'='('
   Call: (194) [system] 'A'='['
   Fail: (194) [system] 'A'='['
   Call: (194) [system] 'A'='{'
   Fail: (194) [system] 'A'='{'
   Call: (194) [system] 'A'='"'
   Fail: (194) [system] 'A'='"'
   Call: (194) [system] 'A'=!
   Fail: (194) [system] 'A'=!
   Call: (194) [system] 'A'='\''
   Fail: (194) [system] 'A'='\''
   Call: (194) [system] 'A'='`'
   Fail: (194) [system] 'A'='`'
   Call: (194) [system] 'A'=end_of_file
   Fail: (194) [system] 'A'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x55772f068e50), 'A', _390084)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _425594)
   Call: (196) [system] peek_char((0x55772f068e50), _426528)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_431248, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _425594=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (195) [user] classify_and_convert_charseq(['A'], _390084)
^  Call: (196) [user] classify_and_convert_charseq_(['A'], _437684)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_438636, _438638), once(user:catch(read_from_chars(['A'], _437684), _438618, fail)), '$restore_trace'(_438636, _438638))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_438636, _438638))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _437684), _438618, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_437684)
   Fail: (197) [system] atomic(_437684)
   Call: (197) [system] atom_chars(_437684, ['A'])
   Exit: (197) [system] atom_chars('A', ['A'])
^  Exit: (196) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (196) [system] integer('A')
   Fail: (196) [system] integer('A')
   Call: (196) [system] _390084='A'
   Exit: (196) [system] 'A'='A'
^  Exit: (195) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (194) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (193) [user] read_list(')', (0x55772f068e50), _452634)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _454492)
   Exit: (195) [system] peek_char((0x55772f068e50), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _470502)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x55772f068e50), _474292)
   Exit: (194) [system] get_char((0x55772f068e50), ')')
   Call: (194) [system] _452634=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [])
   Call: (193) [system] _353424=['A']
   Exit: (193) [system] ['A']=['A']
^  Exit: (192) [user] read_list(')', (0x55772f068e50), ['A'])
   Call: (192) [system] _257956=[a, 'A']
   Exit: (192) [system] [a, 'A']=[a, 'A']
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [a, 'A'])
   Call: (191) [system] _154130=[:, a, 'A']
   Exit: (191) [system] [:, a, 'A']=[:, a, 'A']
^  Exit: (190) [user] read_list(')', (0x55772f068e50), [:, a, 'A'])
^  Exit: (189) [user] cont_sexpr(')', (0x55772f068e50), [:, a, 'A'])
^  Call: (189) [user] read_list(')', (0x55772f068e50), _488174)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _490032)
   Exit: (191) [system] peek_char((0x55772f068e50), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x55772f068e50), _499626)
   Exit: (191) [system] get_char((0x55772f068e50), ' ')
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _502330)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _519264)
   Exit: (190) [system] peek_char((0x55772f068e50), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x55772f068e50), _524834)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _526692)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] get_char((0x55772f068e50), _542702)
   Exit: (191) [system] get_char((0x55772f068e50), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x55772f068e50), _524834)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _548272)
   Exit: (193) [system] peek_char((0x55772f068e50), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
   Call: (193) [system] (:)=(/)
   Fail: (193) [system] (:)=(/)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _564282)
   Exit: (192) [system] peek_char((0x55772f068e50), :)
   Call: (192) [system] (:)=')'
   Fail: (192) [system] (:)=')'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _569852)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _571710)
   Exit: (194) [system] peek_char((0x55772f068e50), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _587720)
   Exit: (193) [system] get_char((0x55772f068e50), :)
   Call: (193) [system] (:)='('
   Fail: (193) [system] (:)='('
   Call: (193) [system] (:)='['
   Fail: (193) [system] (:)='['
   Call: (193) [system] (:)='{'
   Fail: (193) [system] (:)='{'
   Call: (193) [system] (:)='"'
   Fail: (193) [system] (:)='"'
   Call: (193) [system] (:)=!
   Fail: (193) [system] (:)=!
   Call: (193) [system] (:)='\''
   Fail: (193) [system] (:)='\''
   Call: (193) [system] (:)='`'
   Fail: (193) [system] (:)='`'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x55772f068e50), :, _569852)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _605362)
   Call: (195) [system] peek_char((0x55772f068e50), _606296)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _605362=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (194) [user] classify_and_convert_charseq([:], _569852)
^  Call: (195) [user] classify_and_convert_charseq_([:], _615580)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_616532, _616534), once(user:catch(read_from_chars([:], _615580), _616514, fail)), '$restore_trace'(_616532, _616534))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_616532, _616534))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _616514, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(:)
   Exit: (196) [system] atomic(:)
^  Exit: (195) [user] classify_and_convert_charseq_([:], :)
   Call: (195) [system] integer(:)
   Fail: (195) [system] integer(:)
   Call: (195) [system] _569852=(:)
   Exit: (195) [system] (:)=(:)
^  Exit: (194) [user] classify_and_convert_charseq([:], :)
^  Exit: (193) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (192) [user] read_list(')', (0x55772f068e50), _628660)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _630518)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _640112)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _642816)
   Exit: (195) [system] peek_char((0x55772f068e50), a)
   Call: (195) [system] a=(;)
   Fail: (195) [system] a=(;)
   Call: (195) [system] a=(/)
   Fail: (195) [system] a=(/)
^  Call: (195) [user] is_like_space(a)
   Call: (196) [system] char_type(a, 'white')
   Fail: (196) [system] char_type(a, 'white')
   Call: (196) [system] char_type(a, end_of_line)
   Fail: (196) [system] char_type(a, end_of_line)
   Call: (196) [system] char_type(a, space)
   Fail: (196) [system] char_type(a, space)
   Call: (196) [system] char_type(a, cntrl)
   Fail: (196) [system] char_type(a, cntrl)
^  Fail: (195) [user] is_like_space(a)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _659750)
   Exit: (193) [system] peek_char((0x55772f068e50), a)
   Call: (193) [system] a=')'
   Fail: (193) [system] a=')'
   Call: (193) [system] a=end_of_file
   Fail: (193) [system] a=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _665320)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _667178)
   Exit: (195) [system] peek_char((0x55772f068e50), a)
   Call: (195) [system] a=(;)
   Fail: (195) [system] a=(;)
   Call: (195) [system] a=(/)
   Fail: (195) [system] a=(/)
^  Call: (195) [user] is_like_space(a)
   Call: (196) [system] char_type(a, 'white')
   Fail: (196) [system] char_type(a, 'white')
   Call: (196) [system] char_type(a, end_of_line)
   Fail: (196) [system] char_type(a, end_of_line)
   Call: (196) [system] char_type(a, space)
   Fail: (196) [system] char_type(a, space)
   Call: (196) [system] char_type(a, cntrl)
   Fail: (196) [system] char_type(a, cntrl)
^  Fail: (195) [user] is_like_space(a)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _683188)
   Exit: (194) [system] get_char((0x55772f068e50), a)
   Call: (194) [system] a='('
   Fail: (194) [system] a='('
   Call: (194) [system] a='['
   Fail: (194) [system] a='['
   Call: (194) [system] a='{'
   Fail: (194) [system] a='{'
   Call: (194) [system] a='"'
   Fail: (194) [system] a='"'
   Call: (194) [system] a=!
   Fail: (194) [system] a=!
   Call: (194) [system] a='\''
   Fail: (194) [system] a='\''
   Call: (194) [system] a='`'
   Fail: (194) [system] a='`'
   Call: (194) [system] a=end_of_file
   Fail: (194) [system] a=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x55772f068e50), a, _665320)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _700830)
   Call: (196) [system] peek_char((0x55772f068e50), _701764)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _700830=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (195) [user] classify_and_convert_charseq([a], _665320)
^  Call: (196) [user] classify_and_convert_charseq_([a], _711048)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_712000, _712002), once(user:catch(read_from_chars([a], _711048), _711982, fail)), '$restore_trace'(_712000, _712002))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_712000, _712002))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _711982, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(a)
   Exit: (197) [system] atomic(a)
^  Exit: (196) [user] classify_and_convert_charseq_([a], a)
   Call: (196) [system] integer(a)
   Fail: (196) [system] integer(a)
   Call: (196) [system] _665320=a
   Exit: (196) [system] a=a
^  Exit: (195) [user] classify_and_convert_charseq([a], a)
^  Exit: (194) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (193) [user] read_list(')', (0x55772f068e50), _724128)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _725986)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _735580)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _738284)
   Exit: (196) [system] peek_char((0x55772f068e50), 'B')
   Call: (196) [system] 'B'=(;)
   Fail: (196) [system] 'B'=(;)
   Call: (196) [system] 'B'=(/)
   Fail: (196) [system] 'B'=(/)
^  Call: (196) [user] is_like_space('B')
   Call: (197) [system] char_type('B', 'white')
   Fail: (197) [system] char_type('B', 'white')
   Call: (197) [system] char_type('B', end_of_line)
   Fail: (197) [system] char_type('B', end_of_line)
   Call: (197) [system] char_type('B', space)
   Fail: (197) [system] char_type('B', space)
   Call: (197) [system] char_type('B', cntrl)
   Fail: (197) [system] char_type('B', cntrl)
^  Fail: (196) [user] is_like_space('B')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _755218)
   Exit: (194) [system] peek_char((0x55772f068e50), 'B')
   Call: (194) [system] 'B'=')'
   Fail: (194) [system] 'B'=')'
   Call: (194) [system] 'B'=end_of_file
   Fail: (194) [system] 'B'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _760788)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _762646)
   Exit: (196) [system] peek_char((0x55772f068e50), 'B')
   Call: (196) [system] 'B'=(;)
   Fail: (196) [system] 'B'=(;)
   Call: (196) [system] 'B'=(/)
   Fail: (196) [system] 'B'=(/)
^  Call: (196) [user] is_like_space('B')
   Call: (197) [system] char_type('B', 'white')
   Fail: (197) [system] char_type('B', 'white')
   Call: (197) [system] char_type('B', end_of_line)
   Fail: (197) [system] char_type('B', end_of_line)
   Call: (197) [system] char_type('B', space)
   Fail: (197) [system] char_type('B', space)
   Call: (197) [system] char_type('B', cntrl)
   Fail: (197) [system] char_type('B', cntrl)
^  Fail: (196) [user] is_like_space('B')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _778656)
   Exit: (195) [system] get_char((0x55772f068e50), 'B')
   Call: (195) [system] 'B'='('
   Fail: (195) [system] 'B'='('
   Call: (195) [system] 'B'='['
   Fail: (195) [system] 'B'='['
   Call: (195) [system] 'B'='{'
   Fail: (195) [system] 'B'='{'
   Call: (195) [system] 'B'='"'
   Fail: (195) [system] 'B'='"'
   Call: (195) [system] 'B'=!
   Fail: (195) [system] 'B'=!
   Call: (195) [system] 'B'='\''
   Fail: (195) [system] 'B'='\''
   Call: (195) [system] 'B'='`'
   Fail: (195) [system] 'B'='`'
   Call: (195) [system] 'B'=end_of_file
   Fail: (195) [system] 'B'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x55772f068e50), 'B', _760788)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _796298)
   Call: (197) [system] peek_char((0x55772f068e50), _797232)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_801952, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _796298=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (196) [user] classify_and_convert_charseq(['B'], _760788)
^  Call: (197) [user] classify_and_convert_charseq_(['B'], _808388)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_809340, _809342), once(user:catch(read_from_chars(['B'], _808388), _809322, fail)), '$restore_trace'(_809340, _809342))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_809340, _809342))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _808388), _809322, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_808388)
   Fail: (198) [system] atomic(_808388)
   Call: (198) [system] atom_chars(_808388, ['B'])
   Exit: (198) [system] atom_chars('B', ['B'])
^  Exit: (197) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (197) [system] integer('B')
   Fail: (197) [system] integer('B')
   Call: (197) [system] _760788='B'
   Exit: (197) [system] 'B'='B'
^  Exit: (196) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (195) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (194) [user] read_list(')', (0x55772f068e50), _823338)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _825196)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _841206)
   Exit: (195) [system] peek_char((0x55772f068e50), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x55772f068e50), _844996)
   Exit: (195) [system] get_char((0x55772f068e50), ')')
   Call: (195) [system] _823338=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [])
   Call: (194) [system] _724128=['B']
   Exit: (194) [system] ['B']=['B']
^  Exit: (193) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (193) [system] _628660=[a, 'B']
   Exit: (193) [system] [a, 'B']=[a, 'B']
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [a, 'B'])
   Call: (192) [system] _524834=[:, a, 'B']
   Exit: (192) [system] [:, a, 'B']=[:, a, 'B']
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [:, a, 'B'])
^  Exit: (190) [user] cont_sexpr(')', (0x55772f068e50), [:, a, 'B'])
^  Call: (190) [user] read_list(')', (0x55772f068e50), _858878)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _860736)
   Exit: (192) [system] peek_char((0x55772f068e50), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x55772f068e50), _870330)
   Exit: (192) [system] get_char((0x55772f068e50), ' ')
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _873034)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _889968)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x55772f068e50), _895538)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _897396)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] get_char((0x55772f068e50), _913406)
   Exit: (192) [system] get_char((0x55772f068e50), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x55772f068e50), _895538)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _918976)
   Exit: (194) [system] peek_char((0x55772f068e50), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _934986)
   Exit: (193) [system] peek_char((0x55772f068e50), :)
   Call: (193) [system] (:)=')'
   Fail: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _940556)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _942414)
   Exit: (195) [system] peek_char((0x55772f068e50), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _958424)
   Exit: (194) [system] get_char((0x55772f068e50), :)
   Call: (194) [system] (:)='('
   Fail: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Fail: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Fail: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Fail: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Fail: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Fail: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Fail: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x55772f068e50), :, _940556)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _976066)
   Call: (196) [system] peek_char((0x55772f068e50), _977000)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _976066=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (195) [user] classify_and_convert_charseq([:], _940556)
^  Call: (196) [user] classify_and_convert_charseq_([:], _986284)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_987236, _987238), once(user:catch(read_from_chars([:], _986284), _987218, fail)), '$restore_trace'(_987236, _987238))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_987236, _987238))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _987218, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq_([:], :)
   Call: (196) [system] integer(:)
   Fail: (196) [system] integer(:)
   Call: (196) [system] _940556=(:)
   Exit: (196) [system] (:)=(:)
^  Exit: (195) [user] classify_and_convert_charseq([:], :)
^  Exit: (194) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (193) [user] read_list(')', (0x55772f068e50), _999364)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1001222)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _1010816)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1013520)
   Exit: (196) [system] peek_char((0x55772f068e50), a)
   Call: (196) [system] a=(;)
   Fail: (196) [system] a=(;)
   Call: (196) [system] a=(/)
   Fail: (196) [system] a=(/)
^  Call: (196) [user] is_like_space(a)
   Call: (197) [system] char_type(a, 'white')
   Fail: (197) [system] char_type(a, 'white')
   Call: (197) [system] char_type(a, end_of_line)
   Fail: (197) [system] char_type(a, end_of_line)
   Call: (197) [system] char_type(a, space)
   Fail: (197) [system] char_type(a, space)
   Call: (197) [system] char_type(a, cntrl)
   Fail: (197) [system] char_type(a, cntrl)
^  Fail: (196) [user] is_like_space(a)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1030454)
   Exit: (194) [system] peek_char((0x55772f068e50), a)
   Call: (194) [system] a=')'
   Fail: (194) [system] a=')'
   Call: (194) [system] a=end_of_file
   Fail: (194) [system] a=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _1036024)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1037882)
   Exit: (196) [system] peek_char((0x55772f068e50), a)
   Call: (196) [system] a=(;)
   Fail: (196) [system] a=(;)
   Call: (196) [system] a=(/)
   Fail: (196) [system] a=(/)
^  Call: (196) [user] is_like_space(a)
   Call: (197) [system] char_type(a, 'white')
   Fail: (197) [system] char_type(a, 'white')
   Call: (197) [system] char_type(a, end_of_line)
   Fail: (197) [system] char_type(a, end_of_line)
   Call: (197) [system] char_type(a, space)
   Fail: (197) [system] char_type(a, space)
   Call: (197) [system] char_type(a, cntrl)
   Fail: (197) [system] char_type(a, cntrl)
^  Fail: (196) [user] is_like_space(a)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _1053892)
   Exit: (195) [system] get_char((0x55772f068e50), a)
   Call: (195) [system] a='('
   Fail: (195) [system] a='('
   Call: (195) [system] a='['
   Fail: (195) [system] a='['
   Call: (195) [system] a='{'
   Fail: (195) [system] a='{'
   Call: (195) [system] a='"'
   Fail: (195) [system] a='"'
   Call: (195) [system] a=!
   Fail: (195) [system] a=!
   Call: (195) [system] a='\''
   Fail: (195) [system] a='\''
   Call: (195) [system] a='`'
   Fail: (195) [system] a='`'
   Call: (195) [system] a=end_of_file
   Fail: (195) [system] a=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x55772f068e50), a, _1036024)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1071534)
   Call: (197) [system] peek_char((0x55772f068e50), _1072468)
   Exit: (197) [system] peek_char((0x55772f068e50), b)
^  Call: (197) [user] is_delimiter(b)
   Call: (198) [system] char_type(b, space)
   Fail: (198) [system] char_type(b, space)
   Call: (198) [system] arg(_1077188, v('(', ')', end_of_file), b)
   Fail: (198) [system] arg(_1078120, v('(', ')', end_of_file), b)
^  Fail: (197) [user] is_delimiter(b)
   Call: (197) [system] ')'==b
   Fail: (197) [system] ')'==b
   Call: (197) [system] get_char((0x55772f068e50), b)
   Exit: (197) [system] get_char((0x55772f068e50), b)
   Call: (197) [system] b=(\)
   Fail: (197) [system] b=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1085470)
   Call: (198) [system] peek_char((0x55772f068e50), _1086404)
   Exit: (198) [system] peek_char((0x55772f068e50), c)
^  Call: (198) [user] is_delimiter(c)
   Call: (199) [system] char_type(c, space)
   Fail: (199) [system] char_type(c, space)
   Call: (199) [system] arg(_1091124, v('(', ')', end_of_file), c)
   Fail: (199) [system] arg(_1092056, v('(', ')', end_of_file), c)
^  Fail: (198) [user] is_delimiter(c)
   Call: (198) [system] ')'==c
   Fail: (198) [system] ')'==c
   Call: (198) [system] get_char((0x55772f068e50), c)
   Exit: (198) [system] get_char((0x55772f068e50), c)
   Call: (198) [system] c=(\)
   Fail: (198) [system] c=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1099406)
   Call: (199) [system] peek_char((0x55772f068e50), _1100340)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _1099406=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (198) [system] _1085470=[c]
   Exit: (198) [system] [c]=[c]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (197) [system] _1071534=[b, c]
   Exit: (197) [system] [b, c]=[b, c]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (196) [user] classify_and_convert_charseq([a, b, c], _1036024)
^  Call: (197) [user] classify_and_convert_charseq_([a, b, c], _1115212)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1116164, _1116166), once(user:catch(read_from_chars([a, b, c], _1115212), _1116146, fail)), '$restore_trace'(_1116164, _1116166))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1116164, _1116166))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1116146, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(abc)
   Exit: (198) [system] atomic(abc)
^  Exit: (197) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (197) [system] integer(abc)
   Fail: (197) [system] integer(abc)
   Call: (197) [system] _1036024=abc
   Exit: (197) [system] abc=abc
^  Exit: (196) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (195) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (194) [user] read_list(')', (0x55772f068e50), _1128292)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1130150)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _1139744)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1142448)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1159382)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _1164952)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1166810)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _1182820)
   Exit: (196) [system] get_char((0x55772f068e50), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x55772f068e50), _1164952)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1188390)
   Exit: (198) [system] peek_char((0x55772f068e50), 'I')
   Call: (198) [system] 'I'=(;)
   Fail: (198) [system] 'I'=(;)
   Call: (198) [system] 'I'=(/)
   Fail: (198) [system] 'I'=(/)
^  Call: (198) [user] is_like_space('I')
   Call: (199) [system] char_type('I', 'white')
   Fail: (199) [system] char_type('I', 'white')
   Call: (199) [system] char_type('I', end_of_line)
   Fail: (199) [system] char_type('I', end_of_line)
   Call: (199) [system] char_type('I', space)
   Fail: (199) [system] char_type('I', space)
   Call: (199) [system] char_type('I', cntrl)
   Fail: (199) [system] char_type('I', cntrl)
^  Fail: (198) [user] is_like_space('I')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1204400)
   Exit: (197) [system] peek_char((0x55772f068e50), 'I')
   Call: (197) [system] 'I'=')'
   Fail: (197) [system] 'I'=')'
   Call: (197) [system] 'I'=end_of_file
   Fail: (197) [system] 'I'=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _1209970)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1211828)
   Exit: (199) [system] peek_char((0x55772f068e50), 'I')
   Call: (199) [system] 'I'=(;)
   Fail: (199) [system] 'I'=(;)
   Call: (199) [system] 'I'=(/)
   Fail: (199) [system] 'I'=(/)
^  Call: (199) [user] is_like_space('I')
   Call: (200) [system] char_type('I', 'white')
   Fail: (200) [system] char_type('I', 'white')
   Call: (200) [system] char_type('I', end_of_line)
   Fail: (200) [system] char_type('I', end_of_line)
   Call: (200) [system] char_type('I', space)
   Fail: (200) [system] char_type('I', space)
   Call: (200) [system] char_type('I', cntrl)
   Fail: (200) [system] char_type('I', cntrl)
^  Fail: (199) [user] is_like_space('I')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _1227838)
   Exit: (198) [system] get_char((0x55772f068e50), 'I')
   Call: (198) [system] 'I'='('
   Fail: (198) [system] 'I'='('
   Call: (198) [system] 'I'='['
   Fail: (198) [system] 'I'='['
   Call: (198) [system] 'I'='{'
   Fail: (198) [system] 'I'='{'
   Call: (198) [system] 'I'='"'
   Fail: (198) [system] 'I'='"'
   Call: (198) [system] 'I'=!
   Fail: (198) [system] 'I'=!
   Call: (198) [system] 'I'='\''
   Fail: (198) [system] 'I'='\''
   Call: (198) [system] 'I'='`'
   Fail: (198) [system] 'I'='`'
   Call: (198) [system] 'I'=end_of_file
   Fail: (198) [system] 'I'=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x55772f068e50), 'I', _1209970)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1245480)
   Call: (200) [system] peek_char((0x55772f068e50), _1246414)
   Exit: (200) [system] peek_char((0x55772f068e50), m)
^  Call: (200) [user] is_delimiter(m)
   Call: (201) [system] char_type(m, space)
   Fail: (201) [system] char_type(m, space)
   Call: (201) [system] arg(_1251134, v('(', ')', end_of_file), m)
   Fail: (201) [system] arg(_1252066, v('(', ')', end_of_file), m)
^  Fail: (200) [user] is_delimiter(m)
   Call: (200) [system] ')'==m
   Fail: (200) [system] ')'==m
   Call: (200) [system] get_char((0x55772f068e50), m)
   Exit: (200) [system] get_char((0x55772f068e50), m)
   Call: (200) [system] m=(\)
   Fail: (200) [system] m=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1259416)
   Call: (201) [system] peek_char((0x55772f068e50), _1260350)
   Exit: (201) [system] peek_char((0x55772f068e50), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_1265070, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_1266002, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x55772f068e50), p)
   Exit: (201) [system] get_char((0x55772f068e50), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1273352)
   Call: (202) [system] peek_char((0x55772f068e50), _1274286)
   Exit: (202) [system] peek_char((0x55772f068e50), l)
^  Call: (202) [user] is_delimiter(l)
   Call: (203) [system] char_type(l, space)
   Fail: (203) [system] char_type(l, space)
   Call: (203) [system] arg(_1279006, v('(', ')', end_of_file), l)
   Fail: (203) [system] arg(_1279938, v('(', ')', end_of_file), l)
^  Fail: (202) [user] is_delimiter(l)
   Call: (202) [system] ')'==l
   Fail: (202) [system] ')'==l
   Call: (202) [system] get_char((0x55772f068e50), l)
   Exit: (202) [system] get_char((0x55772f068e50), l)
   Call: (202) [system] l=(\)
   Fail: (202) [system] l=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1287288)
   Call: (203) [system] peek_char((0x55772f068e50), _1288222)
   Exit: (203) [system] peek_char((0x55772f068e50), i)
^  Call: (203) [user] is_delimiter(i)
   Call: (204) [system] char_type(i, space)
   Fail: (204) [system] char_type(i, space)
   Call: (204) [system] arg(_1292942, v('(', ')', end_of_file), i)
   Fail: (204) [system] arg(_1293874, v('(', ')', end_of_file), i)
^  Fail: (203) [user] is_delimiter(i)
   Call: (203) [system] ')'==i
   Fail: (203) [system] ')'==i
   Call: (203) [system] get_char((0x55772f068e50), i)
   Exit: (203) [system] get_char((0x55772f068e50), i)
   Call: (203) [system] i=(\)
   Fail: (203) [system] i=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1301224)
   Call: (204) [system] peek_char((0x55772f068e50), _1302158)
   Exit: (204) [system] peek_char((0x55772f068e50), c)
^  Call: (204) [user] is_delimiter(c)
   Call: (205) [system] char_type(c, space)
   Fail: (205) [system] char_type(c, space)
   Call: (205) [system] arg(_1306878, v('(', ')', end_of_file), c)
   Fail: (205) [system] arg(_1307810, v('(', ')', end_of_file), c)
^  Fail: (204) [user] is_delimiter(c)
   Call: (204) [system] ')'==c
   Fail: (204) [system] ')'==c
   Call: (204) [system] get_char((0x55772f068e50), c)
   Exit: (204) [system] get_char((0x55772f068e50), c)
   Call: (204) [system] c=(\)
   Fail: (204) [system] c=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1315160)
   Call: (205) [system] peek_char((0x55772f068e50), _1316094)
   Exit: (205) [system] peek_char((0x55772f068e50), a)
^  Call: (205) [user] is_delimiter(a)
   Call: (206) [system] char_type(a, space)
   Fail: (206) [system] char_type(a, space)
   Call: (206) [system] arg(_1320814, v('(', ')', end_of_file), a)
   Fail: (206) [system] arg(_1321746, v('(', ')', end_of_file), a)
^  Fail: (205) [user] is_delimiter(a)
   Call: (205) [system] ')'==a
   Fail: (205) [system] ')'==a
   Call: (205) [system] get_char((0x55772f068e50), a)
   Exit: (205) [system] get_char((0x55772f068e50), a)
   Call: (205) [system] a=(\)
   Fail: (205) [system] a=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1329096)
   Call: (206) [system] peek_char((0x55772f068e50), _1330030)
   Exit: (206) [system] peek_char((0x55772f068e50), t)
^  Call: (206) [user] is_delimiter(t)
   Call: (207) [system] char_type(t, space)
   Fail: (207) [system] char_type(t, space)
   Call: (207) [system] arg(_1334750, v('(', ')', end_of_file), t)
   Fail: (207) [system] arg(_1335682, v('(', ')', end_of_file), t)
^  Fail: (206) [user] is_delimiter(t)
   Call: (206) [system] ')'==t
   Fail: (206) [system] ')'==t
   Call: (206) [system] get_char((0x55772f068e50), t)
   Exit: (206) [system] get_char((0x55772f068e50), t)
   Call: (206) [system] t=(\)
   Fail: (206) [system] t=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1343032)
   Call: (207) [system] peek_char((0x55772f068e50), _1343966)
   Exit: (207) [system] peek_char((0x55772f068e50), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1348686, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_1349618, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x55772f068e50), i)
   Exit: (207) [system] get_char((0x55772f068e50), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1356968)
   Call: (208) [system] peek_char((0x55772f068e50), _1357902)
   Exit: (208) [system] peek_char((0x55772f068e50), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Fail: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_1362622, v('(', ')', end_of_file), o)
   Fail: (209) [system] arg(_1363554, v('(', ')', end_of_file), o)
^  Fail: (208) [user] is_delimiter(o)
   Call: (208) [system] ')'==o
   Fail: (208) [system] ')'==o
   Call: (208) [system] get_char((0x55772f068e50), o)
   Exit: (208) [system] get_char((0x55772f068e50), o)
   Call: (208) [system] o=(\)
   Fail: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1370904)
   Call: (209) [system] peek_char((0x55772f068e50), _1371838)
   Exit: (209) [system] peek_char((0x55772f068e50), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_1376558, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_1377490, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x55772f068e50), n)
   Exit: (209) [system] get_char((0x55772f068e50), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1384840)
   Call: (210) [system] peek_char((0x55772f068e50), _1385774)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1384840=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (209) [system] _1370904=[n]
   Exit: (209) [system] [n]=[n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (208) [system] _1356968=[o, n]
   Exit: (208) [system] [o, n]=[o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (207) [system] _1343032=[i, o, n]
   Exit: (207) [system] [i, o, n]=[i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (206) [system] _1329096=[t, i, o, n]
   Exit: (206) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (205) [system] _1315160=[a, t, i, o, n]
   Exit: (205) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (204) [system] _1301224=[c, a, t, i, o, n]
   Exit: (204) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (203) [system] _1287288=[i, c, a, t, i, o, n]
   Exit: (203) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (202) [system] _1273352=[l, i, c, a, t, i, o, n]
   Exit: (202) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (201) [system] _1259416=[p, l, i, c, a, t, i, o, n]
   Exit: (201) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (200) [system] _1245480=[m, p, l, i, c, a, t, i, o, n]
   Exit: (200) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (199) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1209970)
^  Call: (200) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1422998)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_1423950, _1423952), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1422998), _1423932, fail)), '$restore_trace'(_1423950, _1423952))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_1423950, _1423952))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1422998), _1423932, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(_1422998)
   Fail: (201) [system] atomic(_1422998)
   Call: (201) [system] atom_chars(_1422998, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (201) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (200) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (200) [system] integer('Implication')
   Fail: (200) [system] integer('Implication')
   Call: (200) [system] _1209970='Implication'
   Exit: (200) [system] 'Implication'='Implication'
^  Exit: (199) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (198) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (197) [user] read_list(')', (0x55772f068e50), _1437948)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1439806)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _1449400)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1452104)
   Exit: (200) [system] peek_char((0x55772f068e50), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1469038)
   Exit: (198) [system] peek_char((0x55772f068e50), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _1474608)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1476466)
   Exit: (200) [system] peek_char((0x55772f068e50), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _1492476)
   Exit: (199) [system] get_char((0x55772f068e50), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x55772f068e50), _1474608)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1498046)
   Exit: (201) [system] peek_char((0x55772f068e50), 'A')
   Call: (201) [system] 'A'=(;)
   Fail: (201) [system] 'A'=(;)
   Call: (201) [system] 'A'=(/)
   Fail: (201) [system] 'A'=(/)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Fail: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Fail: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Fail: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
   Fail: (202) [system] char_type('A', cntrl)
^  Fail: (201) [user] is_like_space('A')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1514056)
   Exit: (200) [system] peek_char((0x55772f068e50), 'A')
   Call: (200) [system] 'A'=')'
   Fail: (200) [system] 'A'=')'
   Call: (200) [system] 'A'=end_of_file
   Fail: (200) [system] 'A'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _1519626)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1521484)
   Exit: (202) [system] peek_char((0x55772f068e50), 'A')
   Call: (202) [system] 'A'=(;)
   Fail: (202) [system] 'A'=(;)
   Call: (202) [system] 'A'=(/)
   Fail: (202) [system] 'A'=(/)
^  Call: (202) [user] is_like_space('A')
   Call: (203) [system] char_type('A', 'white')
   Fail: (203) [system] char_type('A', 'white')
   Call: (203) [system] char_type('A', end_of_line)
   Fail: (203) [system] char_type('A', end_of_line)
   Call: (203) [system] char_type('A', space)
   Fail: (203) [system] char_type('A', space)
   Call: (203) [system] char_type('A', cntrl)
   Fail: (203) [system] char_type('A', cntrl)
^  Fail: (202) [user] is_like_space('A')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _1537494)
   Exit: (201) [system] get_char((0x55772f068e50), 'A')
   Call: (201) [system] 'A'='('
   Fail: (201) [system] 'A'='('
   Call: (201) [system] 'A'='['
   Fail: (201) [system] 'A'='['
   Call: (201) [system] 'A'='{'
   Fail: (201) [system] 'A'='{'
   Call: (201) [system] 'A'='"'
   Fail: (201) [system] 'A'='"'
   Call: (201) [system] 'A'=!
   Fail: (201) [system] 'A'=!
   Call: (201) [system] 'A'='\''
   Fail: (201) [system] 'A'='\''
   Call: (201) [system] 'A'='`'
   Fail: (201) [system] 'A'='`'
   Call: (201) [system] 'A'=end_of_file
   Fail: (201) [system] 'A'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), 'A', _1519626)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1555136)
   Call: (203) [system] peek_char((0x55772f068e50), _1556070)
   Exit: (203) [system] peek_char((0x55772f068e50), n)
^  Call: (203) [user] is_delimiter(n)
   Call: (204) [system] char_type(n, space)
   Fail: (204) [system] char_type(n, space)
   Call: (204) [system] arg(_1560790, v('(', ')', end_of_file), n)
   Fail: (204) [system] arg(_1561722, v('(', ')', end_of_file), n)
^  Fail: (203) [user] is_delimiter(n)
   Call: (203) [system] ')'==n
   Fail: (203) [system] ')'==n
   Call: (203) [system] get_char((0x55772f068e50), n)
   Exit: (203) [system] get_char((0x55772f068e50), n)
   Call: (203) [system] n=(\)
   Fail: (203) [system] n=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1569072)
   Call: (204) [system] peek_char((0x55772f068e50), _1570006)
   Exit: (204) [system] peek_char((0x55772f068e50), d)
^  Call: (204) [user] is_delimiter(d)
   Call: (205) [system] char_type(d, space)
   Fail: (205) [system] char_type(d, space)
   Call: (205) [system] arg(_1574726, v('(', ')', end_of_file), d)
   Fail: (205) [system] arg(_1575658, v('(', ')', end_of_file), d)
^  Fail: (204) [user] is_delimiter(d)
   Call: (204) [system] ')'==d
   Fail: (204) [system] ')'==d
   Call: (204) [system] get_char((0x55772f068e50), d)
   Exit: (204) [system] get_char((0x55772f068e50), d)
   Call: (204) [system] d=(\)
   Fail: (204) [system] d=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1583008)
   Call: (205) [system] peek_char((0x55772f068e50), _1583942)
   Exit: (205) [system] peek_char((0x55772f068e50), 'L')
^  Call: (205) [user] is_delimiter('L')
   Call: (206) [system] char_type('L', space)
   Fail: (206) [system] char_type('L', space)
   Call: (206) [system] arg(_1588662, v('(', ')', end_of_file), 'L')
   Fail: (206) [system] arg(_1589594, v('(', ')', end_of_file), 'L')
^  Fail: (205) [user] is_delimiter('L')
   Call: (205) [system] ')'=='L'
   Fail: (205) [system] ')'=='L'
   Call: (205) [system] get_char((0x55772f068e50), 'L')
   Exit: (205) [system] get_char((0x55772f068e50), 'L')
   Call: (205) [system] 'L'=(\)
   Fail: (205) [system] 'L'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1596944)
   Call: (206) [system] peek_char((0x55772f068e50), _1597878)
   Exit: (206) [system] peek_char((0x55772f068e50), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1602598, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_1603530, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x55772f068e50), i)
   Exit: (206) [system] get_char((0x55772f068e50), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1610880)
   Call: (207) [system] peek_char((0x55772f068e50), _1611814)
   Exit: (207) [system] peek_char((0x55772f068e50), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_1616534, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_1617466, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x55772f068e50), n)
   Exit: (207) [system] get_char((0x55772f068e50), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1624816)
   Call: (208) [system] peek_char((0x55772f068e50), _1625750)
   Exit: (208) [system] peek_char((0x55772f068e50), k)
^  Call: (208) [user] is_delimiter(k)
   Call: (209) [system] char_type(k, space)
   Fail: (209) [system] char_type(k, space)
   Call: (209) [system] arg(_1630470, v('(', ')', end_of_file), k)
   Fail: (209) [system] arg(_1631402, v('(', ')', end_of_file), k)
^  Fail: (208) [user] is_delimiter(k)
   Call: (208) [system] ')'==k
   Fail: (208) [system] ')'==k
   Call: (208) [system] get_char((0x55772f068e50), k)
   Exit: (208) [system] get_char((0x55772f068e50), k)
   Call: (208) [system] k=(\)
   Fail: (208) [system] k=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1638752)
   Call: (209) [system] peek_char((0x55772f068e50), _1639686)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1638752=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (208) [system] _1624816=[k]
   Exit: (208) [system] [k]=[k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (207) [system] _1610880=[n, k]
   Exit: (207) [system] [n, k]=[n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (206) [system] _1596944=[i, n, k]
   Exit: (206) [system] [i, n, k]=[i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (205) [system] _1583008=['L', i, n, k]
   Exit: (205) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (204) [system] _1569072=[d, 'L', i, n, k]
   Exit: (204) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (203) [system] _1555136=[n, d, 'L', i, n, k]
   Exit: (203) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (202) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1519626)
^  Call: (203) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1665734)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1666686, _1666688), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1665734), _1666668, fail)), '$restore_trace'(_1666686, _1666688))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1666686, _1666688))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1665734), _1666668, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_1665734)
   Fail: (204) [system] atomic(_1665734)
   Call: (204) [system] atom_chars(_1665734, ['A', n, d, 'L', i, n, k])
   Exit: (204) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (203) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (203) [system] integer('AndLink')
   Fail: (203) [system] integer('AndLink')
   Call: (203) [system] _1519626='AndLink'
   Exit: (203) [system] 'AndLink'='AndLink'
^  Exit: (202) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (200) [user] read_list(')', (0x55772f068e50), _1680684)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1682542)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _1692136)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1694840)
   Exit: (203) [system] peek_char((0x55772f068e50), 'A')
   Call: (203) [system] 'A'=(;)
   Fail: (203) [system] 'A'=(;)
   Call: (203) [system] 'A'=(/)
   Fail: (203) [system] 'A'=(/)
^  Call: (203) [user] is_like_space('A')
   Call: (204) [system] char_type('A', 'white')
   Fail: (204) [system] char_type('A', 'white')
   Call: (204) [system] char_type('A', end_of_line)
   Fail: (204) [system] char_type('A', end_of_line)
   Call: (204) [system] char_type('A', space)
   Fail: (204) [system] char_type('A', space)
   Call: (204) [system] char_type('A', cntrl)
   Fail: (204) [system] char_type('A', cntrl)
^  Fail: (203) [user] is_like_space('A')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1711774)
   Exit: (201) [system] peek_char((0x55772f068e50), 'A')
   Call: (201) [system] 'A'=')'
   Fail: (201) [system] 'A'=')'
   Call: (201) [system] 'A'=end_of_file
   Fail: (201) [system] 'A'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _1717344)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1719202)
   Exit: (203) [system] peek_char((0x55772f068e50), 'A')
   Call: (203) [system] 'A'=(;)
   Fail: (203) [system] 'A'=(;)
   Call: (203) [system] 'A'=(/)
   Fail: (203) [system] 'A'=(/)
^  Call: (203) [user] is_like_space('A')
   Call: (204) [system] char_type('A', 'white')
   Fail: (204) [system] char_type('A', 'white')
   Call: (204) [system] char_type('A', end_of_line)
   Fail: (204) [system] char_type('A', end_of_line)
   Call: (204) [system] char_type('A', space)
   Fail: (204) [system] char_type('A', space)
   Call: (204) [system] char_type('A', cntrl)
   Fail: (204) [system] char_type('A', cntrl)
^  Fail: (203) [user] is_like_space('A')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _1735212)
   Exit: (202) [system] get_char((0x55772f068e50), 'A')
   Call: (202) [system] 'A'='('
   Fail: (202) [system] 'A'='('
   Call: (202) [system] 'A'='['
   Fail: (202) [system] 'A'='['
   Call: (202) [system] 'A'='{'
   Fail: (202) [system] 'A'='{'
   Call: (202) [system] 'A'='"'
   Fail: (202) [system] 'A'='"'
   Call: (202) [system] 'A'=!
   Fail: (202) [system] 'A'=!
   Call: (202) [system] 'A'='\''
   Fail: (202) [system] 'A'='\''
   Call: (202) [system] 'A'='`'
   Fail: (202) [system] 'A'='`'
   Call: (202) [system] 'A'=end_of_file
   Fail: (202) [system] 'A'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), 'A', _1717344)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1752854)
   Call: (204) [system] peek_char((0x55772f068e50), _1753788)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1752854=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (203) [user] classify_and_convert_charseq(['A'], _1717344)
^  Call: (204) [user] classify_and_convert_charseq_(['A'], _1763072)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1764024, _1764026), once(user:catch(read_from_chars(['A'], _1763072), _1764006, fail)), '$restore_trace'(_1764024, _1764026))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1764024, _1764026))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1763072), _1764006, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_1763072)
   Fail: (205) [system] atomic(_1763072)
   Call: (205) [system] atom_chars(_1763072, ['A'])
   Exit: (205) [system] atom_chars('A', ['A'])
^  Exit: (204) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (204) [system] integer('A')
   Fail: (204) [system] integer('A')
   Call: (204) [system] _1717344='A'
   Exit: (204) [system] 'A'='A'
^  Exit: (203) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (201) [user] read_list(')', (0x55772f068e50), _1778022)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1779880)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _1789474)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1792178)
   Exit: (204) [system] peek_char((0x55772f068e50), 'B')
   Call: (204) [system] 'B'=(;)
   Fail: (204) [system] 'B'=(;)
   Call: (204) [system] 'B'=(/)
   Fail: (204) [system] 'B'=(/)
^  Call: (204) [user] is_like_space('B')
   Call: (205) [system] char_type('B', 'white')
   Fail: (205) [system] char_type('B', 'white')
   Call: (205) [system] char_type('B', end_of_line)
   Fail: (205) [system] char_type('B', end_of_line)
   Call: (205) [system] char_type('B', space)
   Fail: (205) [system] char_type('B', space)
   Call: (205) [system] char_type('B', cntrl)
   Fail: (205) [system] char_type('B', cntrl)
^  Fail: (204) [user] is_like_space('B')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1809112)
   Exit: (202) [system] peek_char((0x55772f068e50), 'B')
   Call: (202) [system] 'B'=')'
   Fail: (202) [system] 'B'=')'
   Call: (202) [system] 'B'=end_of_file
   Fail: (202) [system] 'B'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x55772f068e50), _1814682)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1816540)
   Exit: (204) [system] peek_char((0x55772f068e50), 'B')
   Call: (204) [system] 'B'=(;)
   Fail: (204) [system] 'B'=(;)
   Call: (204) [system] 'B'=(/)
   Fail: (204) [system] 'B'=(/)
^  Call: (204) [user] is_like_space('B')
   Call: (205) [system] char_type('B', 'white')
   Fail: (205) [system] char_type('B', 'white')
   Call: (205) [system] char_type('B', end_of_line)
   Fail: (205) [system] char_type('B', end_of_line)
   Call: (205) [system] char_type('B', space)
   Fail: (205) [system] char_type('B', space)
   Call: (205) [system] char_type('B', cntrl)
   Fail: (205) [system] char_type('B', cntrl)
^  Fail: (204) [user] is_like_space('B')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] get_char((0x55772f068e50), _1832550)
   Exit: (203) [system] get_char((0x55772f068e50), 'B')
   Call: (203) [system] 'B'='('
   Fail: (203) [system] 'B'='('
   Call: (203) [system] 'B'='['
   Fail: (203) [system] 'B'='['
   Call: (203) [system] 'B'='{'
   Fail: (203) [system] 'B'='{'
   Call: (203) [system] 'B'='"'
   Fail: (203) [system] 'B'='"'
   Call: (203) [system] 'B'=!
   Fail: (203) [system] 'B'=!
   Call: (203) [system] 'B'='\''
   Fail: (203) [system] 'B'='\''
   Call: (203) [system] 'B'='`'
   Fail: (203) [system] 'B'='`'
   Call: (203) [system] 'B'=end_of_file
   Fail: (203) [system] 'B'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x55772f068e50), 'B', _1814682)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1850192)
   Call: (205) [system] peek_char((0x55772f068e50), _1851126)
   Exit: (205) [system] peek_char((0x55772f068e50), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_1855846, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _1850192=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (204) [user] classify_and_convert_charseq(['B'], _1814682)
^  Call: (205) [user] classify_and_convert_charseq_(['B'], _1862282)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1863234, _1863236), once(user:catch(read_from_chars(['B'], _1862282), _1863216, fail)), '$restore_trace'(_1863234, _1863236))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1863234, _1863236))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1862282), _1863216, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_1862282)
   Fail: (206) [system] atomic(_1862282)
   Call: (206) [system] atom_chars(_1862282, ['B'])
   Exit: (206) [system] atom_chars('B', ['B'])
^  Exit: (205) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (205) [system] integer('B')
   Fail: (205) [system] integer('B')
   Call: (205) [system] _1814682='B'
   Exit: (205) [system] 'B'='B'
^  Exit: (204) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (203) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (202) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (202) [user] read_list(')', (0x55772f068e50), _1877232)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1879090)
   Exit: (204) [system] peek_char((0x55772f068e50), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1895100)
   Exit: (203) [system] peek_char((0x55772f068e50), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x55772f068e50), _1898890)
   Exit: (203) [system] get_char((0x55772f068e50), ')')
   Call: (203) [system] _1877232=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x55772f068e50), [])
   Call: (202) [system] _1778022=['B']
   Exit: (202) [system] ['B']=['B']
^  Exit: (201) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (201) [system] _1680684=['A', 'B']
   Exit: (201) [system] ['A', 'B']=['A', 'B']
^  Exit: (200) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (200) [system] _1474608=['AndLink', 'A', 'B']
   Exit: (200) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (199) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (198) [user] read_list(')', (0x55772f068e50), _1912772)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1914630)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _1924224)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1926928)
   Exit: (201) [system] peek_char((0x55772f068e50), 'C')
   Call: (201) [system] 'C'=(;)
   Fail: (201) [system] 'C'=(;)
   Call: (201) [system] 'C'=(/)
   Fail: (201) [system] 'C'=(/)
^  Call: (201) [user] is_like_space('C')
   Call: (202) [system] char_type('C', 'white')
   Fail: (202) [system] char_type('C', 'white')
   Call: (202) [system] char_type('C', end_of_line)
   Fail: (202) [system] char_type('C', end_of_line)
   Call: (202) [system] char_type('C', space)
   Fail: (202) [system] char_type('C', space)
   Call: (202) [system] char_type('C', cntrl)
   Fail: (202) [system] char_type('C', cntrl)
^  Fail: (201) [user] is_like_space('C')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1943862)
   Exit: (199) [system] peek_char((0x55772f068e50), 'C')
   Call: (199) [system] 'C'=')'
   Fail: (199) [system] 'C'=')'
   Call: (199) [system] 'C'=end_of_file
   Fail: (199) [system] 'C'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _1949432)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1951290)
   Exit: (201) [system] peek_char((0x55772f068e50), 'C')
   Call: (201) [system] 'C'=(;)
   Fail: (201) [system] 'C'=(;)
   Call: (201) [system] 'C'=(/)
   Fail: (201) [system] 'C'=(/)
^  Call: (201) [user] is_like_space('C')
   Call: (202) [system] char_type('C', 'white')
   Fail: (202) [system] char_type('C', 'white')
   Call: (202) [system] char_type('C', end_of_line)
   Fail: (202) [system] char_type('C', end_of_line)
   Call: (202) [system] char_type('C', space)
   Fail: (202) [system] char_type('C', space)
   Call: (202) [system] char_type('C', cntrl)
   Fail: (202) [system] char_type('C', cntrl)
^  Fail: (201) [user] is_like_space('C')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _1967300)
   Exit: (200) [system] get_char((0x55772f068e50), 'C')
   Call: (200) [system] 'C'='('
   Fail: (200) [system] 'C'='('
   Call: (200) [system] 'C'='['
   Fail: (200) [system] 'C'='['
   Call: (200) [system] 'C'='{'
   Fail: (200) [system] 'C'='{'
   Call: (200) [system] 'C'='"'
   Fail: (200) [system] 'C'='"'
   Call: (200) [system] 'C'=!
   Fail: (200) [system] 'C'=!
   Call: (200) [system] 'C'='\''
   Fail: (200) [system] 'C'='\''
   Call: (200) [system] 'C'='`'
   Fail: (200) [system] 'C'='`'
   Call: (200) [system] 'C'=end_of_file
   Fail: (200) [system] 'C'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), 'C', _1949432)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1984942)
   Call: (202) [system] peek_char((0x55772f068e50), _1985876)
   Exit: (202) [system] peek_char((0x55772f068e50), ')')
^  Call: (202) [user] is_delimiter(')')
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] arg(_1990596, v('(', ')', end_of_file), ')')
   Exit: (203) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (202) [user] is_delimiter(')')
   Call: (202) [system] _1984942=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (201) [user] classify_and_convert_charseq(['C'], _1949432)
^  Call: (202) [user] classify_and_convert_charseq_(['C'], _1997032)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1997984, _1997986), once(user:catch(read_from_chars(['C'], _1997032), _1997966, fail)), '$restore_trace'(_1997984, _1997986))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1997984, _1997986))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1997032), _1997966, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_1997032)
   Fail: (203) [system] atomic(_1997032)
   Call: (203) [system] atom_chars(_1997032, ['C'])
   Exit: (203) [system] atom_chars('C', ['C'])
^  Exit: (202) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (202) [system] integer('C')
   Fail: (202) [system] integer('C')
   Call: (202) [system] _1949432='C'
   Exit: (202) [system] 'C'='C'
^  Exit: (201) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (199) [user] read_list(')', (0x55772f068e50), _2011982)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _2013840)
   Exit: (201) [system] peek_char((0x55772f068e50), ')')
   Call: (201) [system] ')'=(;)
   Fail: (201) [system] ')'=(;)
   Call: (201) [system] ')'=(/)
   Fail: (201) [system] ')'=(/)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Fail: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Fail: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
   Fail: (202) [system] char_type(')', cntrl)
^  Fail: (201) [user] is_like_space(')')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _2029850)
   Exit: (200) [system] peek_char((0x55772f068e50), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x55772f068e50), _2033640)
   Exit: (200) [system] get_char((0x55772f068e50), ')')
   Call: (200) [system] _2011982=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [])
   Call: (199) [system] _1912772=['C']
   Exit: (199) [system] ['C']=['C']
^  Exit: (198) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (198) [system] _1437948=[['AndLink', 'A', 'B'], 'C']
   Exit: (198) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (197) [system] _1164952=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (197) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (196) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (195) [user] read_list(')', (0x55772f068e50), _2047522)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _2049380)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _2065390)
   Exit: (196) [system] peek_char((0x55772f068e50), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x55772f068e50), _2069180)
   Exit: (196) [system] get_char((0x55772f068e50), ')')
   Call: (196) [system] _2047522=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [])
   Call: (195) [system] _1128292=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (195) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (194) [system] _999364=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (194) [system] [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (193) [system] _895538=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (193) [system] [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (191) [user] cont_sexpr(')', (0x55772f068e50), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (191) [user] read_list(')', (0x55772f068e50), _2083062)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _2084920)
   Exit: (193) [system] peek_char((0x55772f068e50), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x55772f068e50), _2094514)
   Exit: (193) [system] get_char((0x55772f068e50), ' ')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _3974)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _20908)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _26478)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _28336)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _44346)
   Exit: (193) [system] get_char((0x55772f068e50), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x55772f068e50), _26478)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _49916)
   Exit: (195) [system] peek_char((0x55772f068e50), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _65926)
   Exit: (194) [system] peek_char((0x55772f068e50), :)
   Call: (194) [system] (:)=')'
   Fail: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _71496)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _73354)
   Exit: (196) [system] peek_char((0x55772f068e50), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _89364)
   Exit: (195) [system] get_char((0x55772f068e50), :)
   Call: (195) [system] (:)='('
   Fail: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Fail: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Fail: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Fail: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Fail: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Fail: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Fail: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x55772f068e50), :, _71496)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _107006)
   Call: (197) [system] peek_char((0x55772f068e50), _107940)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _107006=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (196) [user] classify_and_convert_charseq([:], _71496)
^  Call: (197) [user] classify_and_convert_charseq_([:], _117224)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_118176, _118178), once(user:catch(read_from_chars([:], _117224), _118158, fail)), '$restore_trace'(_118176, _118178))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_118176, _118178))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _118158, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq_([:], :)
   Call: (197) [system] integer(:)
   Fail: (197) [system] integer(:)
   Call: (197) [system] _71496=(:)
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] classify_and_convert_charseq([:], :)
^  Exit: (195) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (194) [user] read_list(')', (0x55772f068e50), _130304)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _132162)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _141756)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _144460)
   Exit: (197) [system] peek_char((0x55772f068e50), c)
   Call: (197) [system] c=(;)
   Fail: (197) [system] c=(;)
   Call: (197) [system] c=(/)
   Fail: (197) [system] c=(/)
^  Call: (197) [user] is_like_space(c)
   Call: (198) [system] char_type(c, 'white')
   Fail: (198) [system] char_type(c, 'white')
   Call: (198) [system] char_type(c, end_of_line)
   Fail: (198) [system] char_type(c, end_of_line)
   Call: (198) [system] char_type(c, space)
   Fail: (198) [system] char_type(c, space)
   Call: (198) [system] char_type(c, cntrl)
   Fail: (198) [system] char_type(c, cntrl)
^  Fail: (197) [user] is_like_space(c)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _161394)
   Exit: (195) [system] peek_char((0x55772f068e50), c)
   Call: (195) [system] c=')'
   Fail: (195) [system] c=')'
   Call: (195) [system] c=end_of_file
   Fail: (195) [system] c=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _166964)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _168822)
   Exit: (197) [system] peek_char((0x55772f068e50), c)
   Call: (197) [system] c=(;)
   Fail: (197) [system] c=(;)
   Call: (197) [system] c=(/)
   Fail: (197) [system] c=(/)
^  Call: (197) [user] is_like_space(c)
   Call: (198) [system] char_type(c, 'white')
   Fail: (198) [system] char_type(c, 'white')
   Call: (198) [system] char_type(c, end_of_line)
   Fail: (198) [system] char_type(c, end_of_line)
   Call: (198) [system] char_type(c, space)
   Fail: (198) [system] char_type(c, space)
   Call: (198) [system] char_type(c, cntrl)
   Fail: (198) [system] char_type(c, cntrl)
^  Fail: (197) [user] is_like_space(c)
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _184832)
   Exit: (196) [system] get_char((0x55772f068e50), c)
   Call: (196) [system] c='('
   Fail: (196) [system] c='('
   Call: (196) [system] c='['
   Fail: (196) [system] c='['
   Call: (196) [system] c='{'
   Fail: (196) [system] c='{'
   Call: (196) [system] c='"'
   Fail: (196) [system] c='"'
   Call: (196) [system] c=!
   Fail: (196) [system] c=!
   Call: (196) [system] c='\''
   Fail: (196) [system] c='\''
   Call: (196) [system] c='`'
   Fail: (196) [system] c='`'
   Call: (196) [system] c=end_of_file
   Fail: (196) [system] c=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x55772f068e50), c, _166964)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _202474)
   Call: (198) [system] peek_char((0x55772f068e50), _203408)
   Exit: (198) [system] peek_char((0x55772f068e50), d)
^  Call: (198) [user] is_delimiter(d)
   Call: (199) [system] char_type(d, space)
   Fail: (199) [system] char_type(d, space)
   Call: (199) [system] arg(_208128, v('(', ')', end_of_file), d)
   Fail: (199) [system] arg(_209060, v('(', ')', end_of_file), d)
^  Fail: (198) [user] is_delimiter(d)
   Call: (198) [system] ')'==d
   Fail: (198) [system] ')'==d
   Call: (198) [system] get_char((0x55772f068e50), d)
   Exit: (198) [system] get_char((0x55772f068e50), d)
   Call: (198) [system] d=(\)
   Fail: (198) [system] d=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _216410)
   Call: (199) [system] peek_char((0x55772f068e50), _217344)
   Exit: (199) [system] peek_char((0x55772f068e50), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Fail: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_222064, v('(', ')', end_of_file), e)
   Fail: (200) [system] arg(_222996, v('(', ')', end_of_file), e)
^  Fail: (199) [user] is_delimiter(e)
   Call: (199) [system] ')'==e
   Fail: (199) [system] ')'==e
   Call: (199) [system] get_char((0x55772f068e50), e)
   Exit: (199) [system] get_char((0x55772f068e50), e)
   Call: (199) [system] e=(\)
   Fail: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _230346)
   Call: (200) [system] peek_char((0x55772f068e50), _231280)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _230346=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (199) [system] _216410=[e]
   Exit: (199) [system] [e]=[e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (198) [system] _202474=[d, e]
   Exit: (198) [system] [d, e]=[d, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [d, e])
^  Call: (197) [user] classify_and_convert_charseq([c, d, e], _166964)
^  Call: (198) [user] classify_and_convert_charseq_([c, d, e], _246152)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_247104, _247106), once(user:catch(read_from_chars([c, d, e], _246152), _247086, fail)), '$restore_trace'(_247104, _247106))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_247104, _247106))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _247086, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(cde)
   Exit: (199) [system] atomic(cde)
^  Exit: (198) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (198) [system] integer(cde)
   Fail: (198) [system] integer(cde)
   Call: (198) [system] _166964=cde
   Exit: (198) [system] cde=cde
^  Exit: (197) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (196) [user] read_symbolic(')', (0x55772f068e50), c, cde)
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), cde)
^  Call: (195) [user] read_list(')', (0x55772f068e50), _259232)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _261090)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _270684)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _273388)
   Exit: (198) [system] peek_char((0x55772f068e50), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _290322)
   Exit: (196) [system] peek_char((0x55772f068e50), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _295892)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _297750)
   Exit: (198) [system] peek_char((0x55772f068e50), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _313760)
   Exit: (197) [system] get_char((0x55772f068e50), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x55772f068e50), _295892)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _319330)
   Exit: (199) [system] peek_char((0x55772f068e50), 'I')
   Call: (199) [system] 'I'=(;)
   Fail: (199) [system] 'I'=(;)
   Call: (199) [system] 'I'=(/)
   Fail: (199) [system] 'I'=(/)
^  Call: (199) [user] is_like_space('I')
   Call: (200) [system] char_type('I', 'white')
   Fail: (200) [system] char_type('I', 'white')
   Call: (200) [system] char_type('I', end_of_line)
   Fail: (200) [system] char_type('I', end_of_line)
   Call: (200) [system] char_type('I', space)
   Fail: (200) [system] char_type('I', space)
   Call: (200) [system] char_type('I', cntrl)
   Fail: (200) [system] char_type('I', cntrl)
^  Fail: (199) [user] is_like_space('I')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _335340)
   Exit: (198) [system] peek_char((0x55772f068e50), 'I')
   Call: (198) [system] 'I'=')'
   Fail: (198) [system] 'I'=')'
   Call: (198) [system] 'I'=end_of_file
   Fail: (198) [system] 'I'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _340910)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _342768)
   Exit: (200) [system] peek_char((0x55772f068e50), 'I')
   Call: (200) [system] 'I'=(;)
   Fail: (200) [system] 'I'=(;)
   Call: (200) [system] 'I'=(/)
   Fail: (200) [system] 'I'=(/)
^  Call: (200) [user] is_like_space('I')
   Call: (201) [system] char_type('I', 'white')
   Fail: (201) [system] char_type('I', 'white')
   Call: (201) [system] char_type('I', end_of_line)
   Fail: (201) [system] char_type('I', end_of_line)
   Call: (201) [system] char_type('I', space)
   Fail: (201) [system] char_type('I', space)
   Call: (201) [system] char_type('I', cntrl)
   Fail: (201) [system] char_type('I', cntrl)
^  Fail: (200) [user] is_like_space('I')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _358778)
   Exit: (199) [system] get_char((0x55772f068e50), 'I')
   Call: (199) [system] 'I'='('
   Fail: (199) [system] 'I'='('
   Call: (199) [system] 'I'='['
   Fail: (199) [system] 'I'='['
   Call: (199) [system] 'I'='{'
   Fail: (199) [system] 'I'='{'
   Call: (199) [system] 'I'='"'
   Fail: (199) [system] 'I'='"'
   Call: (199) [system] 'I'=!
   Fail: (199) [system] 'I'=!
   Call: (199) [system] 'I'='\''
   Fail: (199) [system] 'I'='\''
   Call: (199) [system] 'I'='`'
   Fail: (199) [system] 'I'='`'
   Call: (199) [system] 'I'=end_of_file
   Fail: (199) [system] 'I'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x55772f068e50), 'I', _340910)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _376420)
   Call: (201) [system] peek_char((0x55772f068e50), _377354)
   Exit: (201) [system] peek_char((0x55772f068e50), m)
^  Call: (201) [user] is_delimiter(m)
   Call: (202) [system] char_type(m, space)
   Fail: (202) [system] char_type(m, space)
   Call: (202) [system] arg(_382074, v('(', ')', end_of_file), m)
   Fail: (202) [system] arg(_383006, v('(', ')', end_of_file), m)
^  Fail: (201) [user] is_delimiter(m)
   Call: (201) [system] ')'==m
   Fail: (201) [system] ')'==m
   Call: (201) [system] get_char((0x55772f068e50), m)
   Exit: (201) [system] get_char((0x55772f068e50), m)
   Call: (201) [system] m=(\)
   Fail: (201) [system] m=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _390356)
   Call: (202) [system] peek_char((0x55772f068e50), _391290)
   Exit: (202) [system] peek_char((0x55772f068e50), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_396010, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_396942, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x55772f068e50), p)
   Exit: (202) [system] get_char((0x55772f068e50), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _404292)
   Call: (203) [system] peek_char((0x55772f068e50), _405226)
   Exit: (203) [system] peek_char((0x55772f068e50), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Fail: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_409946, v('(', ')', end_of_file), l)
   Fail: (204) [system] arg(_410878, v('(', ')', end_of_file), l)
^  Fail: (203) [user] is_delimiter(l)
   Call: (203) [system] ')'==l
   Fail: (203) [system] ')'==l
   Call: (203) [system] get_char((0x55772f068e50), l)
   Exit: (203) [system] get_char((0x55772f068e50), l)
   Call: (203) [system] l=(\)
   Fail: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _418228)
   Call: (204) [system] peek_char((0x55772f068e50), _419162)
   Exit: (204) [system] peek_char((0x55772f068e50), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_423882, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_424814, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x55772f068e50), i)
   Exit: (204) [system] get_char((0x55772f068e50), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _432164)
   Call: (205) [system] peek_char((0x55772f068e50), _433098)
   Exit: (205) [system] peek_char((0x55772f068e50), c)
^  Call: (205) [user] is_delimiter(c)
   Call: (206) [system] char_type(c, space)
   Fail: (206) [system] char_type(c, space)
   Call: (206) [system] arg(_437818, v('(', ')', end_of_file), c)
   Fail: (206) [system] arg(_438750, v('(', ')', end_of_file), c)
^  Fail: (205) [user] is_delimiter(c)
   Call: (205) [system] ')'==c
   Fail: (205) [system] ')'==c
   Call: (205) [system] get_char((0x55772f068e50), c)
   Exit: (205) [system] get_char((0x55772f068e50), c)
   Call: (205) [system] c=(\)
   Fail: (205) [system] c=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _446100)
   Call: (206) [system] peek_char((0x55772f068e50), _447034)
   Exit: (206) [system] peek_char((0x55772f068e50), a)
^  Call: (206) [user] is_delimiter(a)
   Call: (207) [system] char_type(a, space)
   Fail: (207) [system] char_type(a, space)
   Call: (207) [system] arg(_451754, v('(', ')', end_of_file), a)
   Fail: (207) [system] arg(_452686, v('(', ')', end_of_file), a)
^  Fail: (206) [user] is_delimiter(a)
   Call: (206) [system] ')'==a
   Fail: (206) [system] ')'==a
   Call: (206) [system] get_char((0x55772f068e50), a)
   Exit: (206) [system] get_char((0x55772f068e50), a)
   Call: (206) [system] a=(\)
   Fail: (206) [system] a=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _460036)
   Call: (207) [system] peek_char((0x55772f068e50), _460970)
   Exit: (207) [system] peek_char((0x55772f068e50), t)
^  Call: (207) [user] is_delimiter(t)
   Call: (208) [system] char_type(t, space)
   Fail: (208) [system] char_type(t, space)
   Call: (208) [system] arg(_465690, v('(', ')', end_of_file), t)
   Fail: (208) [system] arg(_466622, v('(', ')', end_of_file), t)
^  Fail: (207) [user] is_delimiter(t)
   Call: (207) [system] ')'==t
   Fail: (207) [system] ')'==t
   Call: (207) [system] get_char((0x55772f068e50), t)
   Exit: (207) [system] get_char((0x55772f068e50), t)
   Call: (207) [system] t=(\)
   Fail: (207) [system] t=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _473972)
   Call: (208) [system] peek_char((0x55772f068e50), _474906)
   Exit: (208) [system] peek_char((0x55772f068e50), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_479626, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_480558, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x55772f068e50), i)
   Exit: (208) [system] get_char((0x55772f068e50), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _487908)
   Call: (209) [system] peek_char((0x55772f068e50), _488842)
   Exit: (209) [system] peek_char((0x55772f068e50), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_493562, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_494494, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x55772f068e50), o)
   Exit: (209) [system] get_char((0x55772f068e50), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _501844)
   Call: (210) [system] peek_char((0x55772f068e50), _502778)
   Exit: (210) [system] peek_char((0x55772f068e50), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_507498, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_508430, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x55772f068e50), n)
   Exit: (210) [system] get_char((0x55772f068e50), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _515780)
   Call: (211) [system] peek_char((0x55772f068e50), _516714)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _515780=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (210) [system] _501844=[n]
   Exit: (210) [system] [n]=[n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (209) [system] _487908=[o, n]
   Exit: (209) [system] [o, n]=[o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (208) [system] _473972=[i, o, n]
   Exit: (208) [system] [i, o, n]=[i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (207) [system] _460036=[t, i, o, n]
   Exit: (207) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (206) [system] _446100=[a, t, i, o, n]
   Exit: (206) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (205) [system] _432164=[c, a, t, i, o, n]
   Exit: (205) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (204) [system] _418228=[i, c, a, t, i, o, n]
   Exit: (204) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (203) [system] _404292=[l, i, c, a, t, i, o, n]
   Exit: (203) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (202) [system] _390356=[p, l, i, c, a, t, i, o, n]
   Exit: (202) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (201) [system] _376420=[m, p, l, i, c, a, t, i, o, n]
   Exit: (201) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (200) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _340910)
^  Call: (201) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _553938)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_554890, _554892), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _553938), _554872, fail)), '$restore_trace'(_554890, _554892))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_554890, _554892))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _553938), _554872, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_553938)
   Fail: (202) [system] atomic(_553938)
   Call: (202) [system] atom_chars(_553938, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (202) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (201) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (201) [system] integer('Implication')
   Fail: (201) [system] integer('Implication')
   Call: (201) [system] _340910='Implication'
   Exit: (201) [system] 'Implication'='Implication'
^  Exit: (200) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (199) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (198) [user] read_list(')', (0x55772f068e50), _568888)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _570746)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _580340)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _583044)
   Exit: (201) [system] peek_char((0x55772f068e50), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _599978)
   Exit: (199) [system] peek_char((0x55772f068e50), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _605548)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _607406)
   Exit: (201) [system] peek_char((0x55772f068e50), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _623416)
   Exit: (200) [system] get_char((0x55772f068e50), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x55772f068e50), _605548)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _628986)
   Exit: (202) [system] peek_char((0x55772f068e50), 'O')
   Call: (202) [system] 'O'=(;)
   Fail: (202) [system] 'O'=(;)
   Call: (202) [system] 'O'=(/)
   Fail: (202) [system] 'O'=(/)
^  Call: (202) [user] is_like_space('O')
   Call: (203) [system] char_type('O', 'white')
   Fail: (203) [system] char_type('O', 'white')
   Call: (203) [system] char_type('O', end_of_line)
   Fail: (203) [system] char_type('O', end_of_line)
   Call: (203) [system] char_type('O', space)
   Fail: (203) [system] char_type('O', space)
   Call: (203) [system] char_type('O', cntrl)
   Fail: (203) [system] char_type('O', cntrl)
^  Fail: (202) [user] is_like_space('O')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _644996)
   Exit: (201) [system] peek_char((0x55772f068e50), 'O')
   Call: (201) [system] 'O'=')'
   Fail: (201) [system] 'O'=')'
   Call: (201) [system] 'O'=end_of_file
   Fail: (201) [system] 'O'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _650566)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _652424)
   Exit: (203) [system] peek_char((0x55772f068e50), 'O')
   Call: (203) [system] 'O'=(;)
   Fail: (203) [system] 'O'=(;)
   Call: (203) [system] 'O'=(/)
   Fail: (203) [system] 'O'=(/)
^  Call: (203) [user] is_like_space('O')
   Call: (204) [system] char_type('O', 'white')
   Fail: (204) [system] char_type('O', 'white')
   Call: (204) [system] char_type('O', end_of_line)
   Fail: (204) [system] char_type('O', end_of_line)
   Call: (204) [system] char_type('O', space)
   Fail: (204) [system] char_type('O', space)
   Call: (204) [system] char_type('O', cntrl)
   Fail: (204) [system] char_type('O', cntrl)
^  Fail: (203) [user] is_like_space('O')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _668434)
   Exit: (202) [system] get_char((0x55772f068e50), 'O')
   Call: (202) [system] 'O'='('
   Fail: (202) [system] 'O'='('
   Call: (202) [system] 'O'='['
   Fail: (202) [system] 'O'='['
   Call: (202) [system] 'O'='{'
   Fail: (202) [system] 'O'='{'
   Call: (202) [system] 'O'='"'
   Fail: (202) [system] 'O'='"'
   Call: (202) [system] 'O'=!
   Fail: (202) [system] 'O'=!
   Call: (202) [system] 'O'='\''
   Fail: (202) [system] 'O'='\''
   Call: (202) [system] 'O'='`'
   Fail: (202) [system] 'O'='`'
   Call: (202) [system] 'O'=end_of_file
   Fail: (202) [system] 'O'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), 'O', _650566)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _686076)
   Call: (204) [system] peek_char((0x55772f068e50), _687010)
   Exit: (204) [system] peek_char((0x55772f068e50), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_691730, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_692662, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x55772f068e50), r)
   Exit: (204) [system] get_char((0x55772f068e50), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _700012)
   Call: (205) [system] peek_char((0x55772f068e50), _700946)
   Exit: (205) [system] peek_char((0x55772f068e50), 'L')
^  Call: (205) [user] is_delimiter('L')
   Call: (206) [system] char_type('L', space)
   Fail: (206) [system] char_type('L', space)
   Call: (206) [system] arg(_705666, v('(', ')', end_of_file), 'L')
   Fail: (206) [system] arg(_706598, v('(', ')', end_of_file), 'L')
^  Fail: (205) [user] is_delimiter('L')
   Call: (205) [system] ')'=='L'
   Fail: (205) [system] ')'=='L'
   Call: (205) [system] get_char((0x55772f068e50), 'L')
   Exit: (205) [system] get_char((0x55772f068e50), 'L')
   Call: (205) [system] 'L'=(\)
   Fail: (205) [system] 'L'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _713948)
   Call: (206) [system] peek_char((0x55772f068e50), _714882)
   Exit: (206) [system] peek_char((0x55772f068e50), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_719602, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_720534, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x55772f068e50), i)
   Exit: (206) [system] get_char((0x55772f068e50), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _727884)
   Call: (207) [system] peek_char((0x55772f068e50), _728818)
   Exit: (207) [system] peek_char((0x55772f068e50), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_733538, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_734470, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x55772f068e50), n)
   Exit: (207) [system] get_char((0x55772f068e50), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _741820)
   Call: (208) [system] peek_char((0x55772f068e50), _742754)
   Exit: (208) [system] peek_char((0x55772f068e50), k)
^  Call: (208) [user] is_delimiter(k)
   Call: (209) [system] char_type(k, space)
   Fail: (209) [system] char_type(k, space)
   Call: (209) [system] arg(_747474, v('(', ')', end_of_file), k)
   Fail: (209) [system] arg(_748406, v('(', ')', end_of_file), k)
^  Fail: (208) [user] is_delimiter(k)
   Call: (208) [system] ')'==k
   Fail: (208) [system] ')'==k
   Call: (208) [system] get_char((0x55772f068e50), k)
   Exit: (208) [system] get_char((0x55772f068e50), k)
   Call: (208) [system] k=(\)
   Fail: (208) [system] k=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _755756)
   Call: (209) [system] peek_char((0x55772f068e50), _756690)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _755756=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (208) [system] _741820=[k]
   Exit: (208) [system] [k]=[k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (207) [system] _727884=[n, k]
   Exit: (207) [system] [n, k]=[n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (206) [system] _713948=[i, n, k]
   Exit: (206) [system] [i, n, k]=[i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (205) [system] _700012=['L', i, n, k]
   Exit: (205) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (204) [system] _686076=[r, 'L', i, n, k]
   Exit: (204) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (203) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _650566)
^  Call: (204) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _779944)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_780896, _780898), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _779944), _780878, fail)), '$restore_trace'(_780896, _780898))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_780896, _780898))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _779944), _780878, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_779944)
   Fail: (205) [system] atomic(_779944)
   Call: (205) [system] atom_chars(_779944, ['O', r, 'L', i, n, k])
   Exit: (205) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (204) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (204) [system] integer('OrLink')
   Fail: (204) [system] integer('OrLink')
   Call: (204) [system] _650566='OrLink'
   Exit: (204) [system] 'OrLink'='OrLink'
^  Exit: (203) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (201) [user] read_list(')', (0x55772f068e50), _794894)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _796752)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _806346)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _809050)
   Exit: (204) [system] peek_char((0x55772f068e50), 'C')
   Call: (204) [system] 'C'=(;)
   Fail: (204) [system] 'C'=(;)
   Call: (204) [system] 'C'=(/)
   Fail: (204) [system] 'C'=(/)
^  Call: (204) [user] is_like_space('C')
   Call: (205) [system] char_type('C', 'white')
   Fail: (205) [system] char_type('C', 'white')
   Call: (205) [system] char_type('C', end_of_line)
   Fail: (205) [system] char_type('C', end_of_line)
   Call: (205) [system] char_type('C', space)
   Fail: (205) [system] char_type('C', space)
   Call: (205) [system] char_type('C', cntrl)
   Fail: (205) [system] char_type('C', cntrl)
^  Fail: (204) [user] is_like_space('C')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _825984)
   Exit: (202) [system] peek_char((0x55772f068e50), 'C')
   Call: (202) [system] 'C'=')'
   Fail: (202) [system] 'C'=')'
   Call: (202) [system] 'C'=end_of_file
   Fail: (202) [system] 'C'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x55772f068e50), _831554)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _833412)
   Exit: (204) [system] peek_char((0x55772f068e50), 'C')
   Call: (204) [system] 'C'=(;)
   Fail: (204) [system] 'C'=(;)
   Call: (204) [system] 'C'=(/)
   Fail: (204) [system] 'C'=(/)
^  Call: (204) [user] is_like_space('C')
   Call: (205) [system] char_type('C', 'white')
   Fail: (205) [system] char_type('C', 'white')
   Call: (205) [system] char_type('C', end_of_line)
   Fail: (205) [system] char_type('C', end_of_line)
   Call: (205) [system] char_type('C', space)
   Fail: (205) [system] char_type('C', space)
   Call: (205) [system] char_type('C', cntrl)
   Fail: (205) [system] char_type('C', cntrl)
^  Fail: (204) [user] is_like_space('C')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] get_char((0x55772f068e50), _849422)
   Exit: (203) [system] get_char((0x55772f068e50), 'C')
   Call: (203) [system] 'C'='('
   Fail: (203) [system] 'C'='('
   Call: (203) [system] 'C'='['
   Fail: (203) [system] 'C'='['
   Call: (203) [system] 'C'='{'
   Fail: (203) [system] 'C'='{'
   Call: (203) [system] 'C'='"'
   Fail: (203) [system] 'C'='"'
   Call: (203) [system] 'C'=!
   Fail: (203) [system] 'C'=!
   Call: (203) [system] 'C'='\''
   Fail: (203) [system] 'C'='\''
   Call: (203) [system] 'C'='`'
   Fail: (203) [system] 'C'='`'
   Call: (203) [system] 'C'=end_of_file
   Fail: (203) [system] 'C'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x55772f068e50), 'C', _831554)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _867064)
   Call: (205) [system] peek_char((0x55772f068e50), _867998)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _867064=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (204) [user] classify_and_convert_charseq(['C'], _831554)
^  Call: (205) [user] classify_and_convert_charseq_(['C'], _877282)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_878234, _878236), once(user:catch(read_from_chars(['C'], _877282), _878216, fail)), '$restore_trace'(_878234, _878236))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_878234, _878236))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _877282), _878216, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_877282)
   Fail: (206) [system] atomic(_877282)
   Call: (206) [system] atom_chars(_877282, ['C'])
   Exit: (206) [system] atom_chars('C', ['C'])
^  Exit: (205) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (205) [system] integer('C')
   Fail: (205) [system] integer('C')
   Call: (205) [system] _831554='C'
   Exit: (205) [system] 'C'='C'
^  Exit: (204) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (203) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (202) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (202) [user] read_list(')', (0x55772f068e50), _892232)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _894090)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x55772f068e50), _903684)
   Exit: (204) [system] get_char((0x55772f068e50), ' ')
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _906388)
   Exit: (205) [system] peek_char((0x55772f068e50), 'D')
   Call: (205) [system] 'D'=(;)
   Fail: (205) [system] 'D'=(;)
   Call: (205) [system] 'D'=(/)
   Fail: (205) [system] 'D'=(/)
^  Call: (205) [user] is_like_space('D')
   Call: (206) [system] char_type('D', 'white')
   Fail: (206) [system] char_type('D', 'white')
   Call: (206) [system] char_type('D', end_of_line)
   Fail: (206) [system] char_type('D', end_of_line)
   Call: (206) [system] char_type('D', space)
   Fail: (206) [system] char_type('D', space)
   Call: (206) [system] char_type('D', cntrl)
   Fail: (206) [system] char_type('D', cntrl)
^  Fail: (205) [user] is_like_space('D')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _923322)
   Exit: (203) [system] peek_char((0x55772f068e50), 'D')
   Call: (203) [system] 'D'=')'
   Fail: (203) [system] 'D'=')'
   Call: (203) [system] 'D'=end_of_file
   Fail: (203) [system] 'D'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x55772f068e50), _928892)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _930750)
   Exit: (205) [system] peek_char((0x55772f068e50), 'D')
   Call: (205) [system] 'D'=(;)
   Fail: (205) [system] 'D'=(;)
   Call: (205) [system] 'D'=(/)
   Fail: (205) [system] 'D'=(/)
^  Call: (205) [user] is_like_space('D')
   Call: (206) [system] char_type('D', 'white')
   Fail: (206) [system] char_type('D', 'white')
   Call: (206) [system] char_type('D', end_of_line)
   Fail: (206) [system] char_type('D', end_of_line)
   Call: (206) [system] char_type('D', space)
   Fail: (206) [system] char_type('D', space)
   Call: (206) [system] char_type('D', cntrl)
   Fail: (206) [system] char_type('D', cntrl)
^  Fail: (205) [user] is_like_space('D')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] get_char((0x55772f068e50), _946760)
   Exit: (204) [system] get_char((0x55772f068e50), 'D')
   Call: (204) [system] 'D'='('
   Fail: (204) [system] 'D'='('
   Call: (204) [system] 'D'='['
   Fail: (204) [system] 'D'='['
   Call: (204) [system] 'D'='{'
   Fail: (204) [system] 'D'='{'
   Call: (204) [system] 'D'='"'
   Fail: (204) [system] 'D'='"'
   Call: (204) [system] 'D'=!
   Fail: (204) [system] 'D'=!
   Call: (204) [system] 'D'='\''
   Fail: (204) [system] 'D'='\''
   Call: (204) [system] 'D'='`'
   Fail: (204) [system] 'D'='`'
   Call: (204) [system] 'D'=end_of_file
   Fail: (204) [system] 'D'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x55772f068e50), 'D', _928892)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _964402)
   Call: (206) [system] peek_char((0x55772f068e50), _965336)
   Exit: (206) [system] peek_char((0x55772f068e50), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_970056, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _964402=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (205) [user] classify_and_convert_charseq(['D'], _928892)
^  Call: (206) [user] classify_and_convert_charseq_(['D'], _976492)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_977444, _977446), once(user:catch(read_from_chars(['D'], _976492), _977426, fail)), '$restore_trace'(_977444, _977446))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_977444, _977446))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _976492), _977426, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_976492)
   Fail: (207) [system] atomic(_976492)
   Call: (207) [system] atom_chars(_976492, ['D'])
   Exit: (207) [system] atom_chars('D', ['D'])
^  Exit: (206) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (206) [system] integer('D')
   Fail: (206) [system] integer('D')
   Call: (206) [system] _928892='D'
   Exit: (206) [system] 'D'='D'
^  Exit: (205) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (204) [user] read_symbolic(')', (0x55772f068e50), 'D', 'D')
^  Exit: (203) [user] cont_sexpr(')', (0x55772f068e50), 'D')
^  Call: (203) [user] read_list(')', (0x55772f068e50), _991442)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _993300)
   Exit: (205) [system] peek_char((0x55772f068e50), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1009310)
   Exit: (204) [system] peek_char((0x55772f068e50), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x55772f068e50), _1013100)
   Exit: (204) [system] get_char((0x55772f068e50), ')')
   Call: (204) [system] _991442=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x55772f068e50), [])
   Call: (203) [system] _892232=['D']
   Exit: (203) [system] ['D']=['D']
^  Exit: (202) [user] read_list(')', (0x55772f068e50), ['D'])
   Call: (202) [system] _794894=['C', 'D']
   Exit: (202) [system] ['C', 'D']=['C', 'D']
^  Exit: (201) [user] read_list(')', (0x55772f068e50), ['C', 'D'])
   Call: (201) [system] _605548=['OrLink', 'C', 'D']
   Exit: (201) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (200) [user] read_list(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Call: (199) [user] read_list(')', (0x55772f068e50), _1026982)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1028840)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _1038434)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1041138)
   Exit: (202) [system] peek_char((0x55772f068e50), 'E')
   Call: (202) [system] 'E'=(;)
   Fail: (202) [system] 'E'=(;)
   Call: (202) [system] 'E'=(/)
   Fail: (202) [system] 'E'=(/)
^  Call: (202) [user] is_like_space('E')
   Call: (203) [system] char_type('E', 'white')
   Fail: (203) [system] char_type('E', 'white')
   Call: (203) [system] char_type('E', end_of_line)
   Fail: (203) [system] char_type('E', end_of_line)
   Call: (203) [system] char_type('E', space)
   Fail: (203) [system] char_type('E', space)
   Call: (203) [system] char_type('E', cntrl)
   Fail: (203) [system] char_type('E', cntrl)
^  Fail: (202) [user] is_like_space('E')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1058072)
   Exit: (200) [system] peek_char((0x55772f068e50), 'E')
   Call: (200) [system] 'E'=')'
   Fail: (200) [system] 'E'=')'
   Call: (200) [system] 'E'=end_of_file
   Fail: (200) [system] 'E'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _1063642)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1065500)
   Exit: (202) [system] peek_char((0x55772f068e50), 'E')
   Call: (202) [system] 'E'=(;)
   Fail: (202) [system] 'E'=(;)
   Call: (202) [system] 'E'=(/)
   Fail: (202) [system] 'E'=(/)
^  Call: (202) [user] is_like_space('E')
   Call: (203) [system] char_type('E', 'white')
   Fail: (203) [system] char_type('E', 'white')
   Call: (203) [system] char_type('E', end_of_line)
   Fail: (203) [system] char_type('E', end_of_line)
   Call: (203) [system] char_type('E', space)
   Fail: (203) [system] char_type('E', space)
   Call: (203) [system] char_type('E', cntrl)
   Fail: (203) [system] char_type('E', cntrl)
^  Fail: (202) [user] is_like_space('E')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _1081510)
   Exit: (201) [system] get_char((0x55772f068e50), 'E')
   Call: (201) [system] 'E'='('
   Fail: (201) [system] 'E'='('
   Call: (201) [system] 'E'='['
   Fail: (201) [system] 'E'='['
   Call: (201) [system] 'E'='{'
   Fail: (201) [system] 'E'='{'
   Call: (201) [system] 'E'='"'
   Fail: (201) [system] 'E'='"'
   Call: (201) [system] 'E'=!
   Fail: (201) [system] 'E'=!
   Call: (201) [system] 'E'='\''
   Fail: (201) [system] 'E'='\''
   Call: (201) [system] 'E'='`'
   Fail: (201) [system] 'E'='`'
   Call: (201) [system] 'E'=end_of_file
   Fail: (201) [system] 'E'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), 'E', _1063642)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1099152)
   Call: (203) [system] peek_char((0x55772f068e50), _1100086)
   Exit: (203) [system] peek_char((0x55772f068e50), ')')
^  Call: (203) [user] is_delimiter(')')
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] arg(_1104806, v('(', ')', end_of_file), ')')
   Exit: (204) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (203) [user] is_delimiter(')')
   Call: (203) [system] _1099152=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (202) [user] classify_and_convert_charseq(['E'], _1063642)
^  Call: (203) [user] classify_and_convert_charseq_(['E'], _1111242)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1112194, _1112196), once(user:catch(read_from_chars(['E'], _1111242), _1112176, fail)), '$restore_trace'(_1112194, _1112196))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1112194, _1112196))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1111242), _1112176, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_1111242)
   Fail: (204) [system] atomic(_1111242)
   Call: (204) [system] atom_chars(_1111242, ['E'])
   Exit: (204) [system] atom_chars('E', ['E'])
^  Exit: (203) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (203) [system] integer('E')
   Fail: (203) [system] integer('E')
   Call: (203) [system] _1063642='E'
   Exit: (203) [system] 'E'='E'
^  Exit: (202) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), 'E', 'E')
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), 'E')
^  Call: (200) [user] read_list(')', (0x55772f068e50), _1126192)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1128050)
   Exit: (202) [system] peek_char((0x55772f068e50), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1144060)
   Exit: (201) [system] peek_char((0x55772f068e50), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x55772f068e50), _1147850)
   Exit: (201) [system] get_char((0x55772f068e50), ')')
   Call: (201) [system] _1126192=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [])
   Call: (200) [system] _1026982=['E']
   Exit: (200) [system] ['E']=['E']
^  Exit: (199) [user] read_list(')', (0x55772f068e50), ['E'])
   Call: (199) [system] _568888=[['OrLink', 'C', 'D'], 'E']
   Exit: (199) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [['OrLink', 'C', 'D'], 'E'])
   Call: (198) [system] _295892=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (198) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (197) [user] read_list(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (196) [user] read_list(')', (0x55772f068e50), _1161732)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1163590)
   Exit: (198) [system] peek_char((0x55772f068e50), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1179600)
   Exit: (197) [system] peek_char((0x55772f068e50), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x55772f068e50), _1183390)
   Exit: (197) [system] get_char((0x55772f068e50), ')')
   Call: (197) [system] _1161732=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [])
   Call: (196) [system] _259232=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (196) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (195) [system] _130304=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (195) [system] [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (194) [system] _26478=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (194) [system] [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (192) [user] read_list(')', (0x55772f068e50), _1197272)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1199130)
   Exit: (194) [system] peek_char((0x55772f068e50), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1215140)
   Exit: (193) [system] peek_char((0x55772f068e50), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x55772f068e50), _1218930)
   Exit: (193) [system] get_char((0x55772f068e50), ')')
   Call: (193) [system] _1197272=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x55772f068e50), [])
   Call: (192) [system] _3544=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (192) [system] [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (191) [user] read_list(')', (0x55772f068e50), [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (191) [system] _3484=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (191) [system] [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (190) [user] read_list(')', (0x55772f068e50), [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (190) [system] _3460=[[:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (190) [system] [[:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (189) [user] read_list(')', (0x55772f068e50), [[:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (189) [system] _3434=[[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (189) [system] [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (188) [user] read_list(')', (0x55772f068e50), [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (187) [user] cont_sexpr(')', (0x55772f068e50), [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (187) [user] read_list(')', (0x55772f068e50), _1235606)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _1237464)
   Exit: (189) [system] peek_char((0x55772f068e50), ')')
   Call: (189) [system] ')'=(;)
   Fail: (189) [system] ')'=(;)
   Call: (189) [system] ')'=(/)
   Fail: (189) [system] ')'=(/)
^  Call: (189) [user] is_like_space(')')
   Call: (190) [system] char_type(')', 'white')
   Fail: (190) [system] char_type(')', 'white')
   Call: (190) [system] char_type(')', end_of_line)
   Fail: (190) [system] char_type(')', end_of_line)
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] char_type(')', cntrl)
   Fail: (190) [system] char_type(')', cntrl)
^  Fail: (189) [user] is_like_space(')')
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _1253474)
   Exit: (188) [system] peek_char((0x55772f068e50), ')')
   Call: (188) [system] ')'=')'
   Exit: (188) [system] ')'=')'
   Call: (188) [system] get_char((0x55772f068e50), _1257264)
   Exit: (188) [system] get_char((0x55772f068e50), ')')
   Call: (188) [system] _1235606=[]
   Exit: (188) [system] []=[]
^  Exit: (187) [user] read_list(')', (0x55772f068e50), [])
   Call: (187) [system] _3430=[[[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (187) [system] [[[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[[[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (186) [user] read_list(')', (0x55772f068e50), [[[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (186) [system] _3368=[[synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (186) [system] [[synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[[synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (185) [user] read_list(')', (0x55772f068e50), [[synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (185) [system] _3360=[assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (185) [system] [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (184) [user] read_list(')', (0x55772f068e50), [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (183) [user] cont_sexpr(')', (0x55772f068e50), [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (182) [user] read_sexpr((0x55772f068e50), [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (182) [system] _3324=exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Exit: (182) [system] exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])=exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (181) [user] cont_sexpr(')', (0x55772f068e50), exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]))
^  Exit: (180) [user] read_sexpr((0x55772f068e50), exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]))
^  Call: (180) [user] assertz(metta_file_comment(157, 0, 7659, exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]), '$stream_position'(7659, 157, 0, 7659)))
^  Exit: (180) [user] assertz(metta_file_comment(157, 0, 7659, exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]), '$stream_position'(7659, 157, 0, 7659)))
^  Exit: (178) [system] once(user:(read_position((0x55772f068e50), 157, 0, 7659, '$stream_position'(7659, 157, 0, 7659)), read_sexpr((0x55772f068e50), exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])), assertz(metta_file_comment(157, 0, 7659, exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]), '$stream_position'(7659, 157, 0, 7659)))))
   Call: (178) [system] fail
^  Call: (178) [user] retract(metta_file_comment(_1279502, _1279504, _1279506, _1279508, _1279510))
^  Exit: (178) [user] retract(metta_file_comment(75, 0, 2845, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], '$stream_position'(2845, 75, 0, 2845)))
^  Call: (178) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _3084)
^  Call: (179) [user] once(call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _1283066))
^  Call: (180) [user] call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _1283066)
^  Call: (181) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _1283066)
^  Call: (182) [user] must_det_ll(trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _1285882))
^  Call: (183) [user] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _1285882))
^  Call: (184) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _1285882)
^  Call: (185) [user] once(call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _1288682))
^  Call: (186) [user] call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _1288682)
^  Call: (187) [user] mfix_vars1([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _1288682)
   Call: (188) [system] var([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Call: (188) [system] atom([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Call: (188) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]==true
   Call: (188) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]==false
   Call: (188) [system] (=)=='['
   Call: (188) [system] (=)=='{'
   Call: (188) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Exit: (188) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Call: (188) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _1298904)
   Call: (189) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], _1298904)
   Call: (190) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], _1298904)
   Exit: (190) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
   Exit: (189) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
   Exit: (188) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
   Call: (188) [system] ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]=='}'
   Call: (188) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]==[_1305420, _1305426]
   Call: (188) [system] fail
   Call: (188) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Exit: (188) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Call: (188) [user] apply:maplist(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _1288682)
   Call: (189) [apply] apply:maplist_([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _1288682, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(=, _1311000)
   Call: (191) [system] var(=)
   Call: (191) [system] atom(=)
   Exit: (191) [system] atom(=)
^  Call: (191) [user] symbol_concat($, _1314708, =)
   Call: (192) [system] atom_concat($, _1314708, =)
   Fail: (192) [system] atom_concat($, _1314708, =)
^  Fail: (191) [user] symbol_concat($, _1314708, =)
   Call: (191) [system] (=)==true
   Call: (191) [system] (=)==false
   Call: (191) [system] (=)==[_1320296, _1320302]
   Call: (191) [system] is_list(=)
   Call: (191) [system] string(=)
   Call: (191) [system] compound(=)
^  Call: (191) [user] symbol(=)
   Call: (192) [system] atom(=)
   Exit: (192) [system] atom(=)
^  Exit: (191) [user] symbol(=)
^  Exit: (190) [user] mfix_vars1(=, =)
   Call: (190) [apply] apply:maplist_([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _1311002, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1([synthesize, _query, _kb, _rb, ['S', _k]], _1329564)
   Call: (192) [system] var([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (192) [system] atom([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (192) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==true
   Call: (192) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==false
   Call: (192) [system] synthesize=='['
   Call: (192) [system] synthesize=='{'
   Call: (192) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Exit: (192) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Call: (192) [lists] lists:last([_query, _kb, _rb, ['S', _k]], _1337908)
   Call: (193) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, _1337908)
   Call: (194) [lists] lists:last_([_rb, ['S', _k]], _kb, _1337908)
   Call: (195) [lists] lists:last_([['S', _k]], _rb, _1337908)
   Call: (196) [lists] lists:last_([], ['S', _k], _1337908)
   Exit: (196) [lists] lists:last_([], ['S', _k], ['S', _k])
   Exit: (195) [lists] lists:last_([['S', _k]], _rb, ['S', _k])
   Exit: (194) [lists] lists:last_([_rb, ['S', _k]], _kb, ['S', _k])
   Exit: (193) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, ['S', _k])
   Exit: (192) [lists] lists:last([_query, _kb, _rb, ['S', _k]], ['S', _k])
   Call: (192) [system] ['S', _k]=='}'
   Call: (192) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==[_1348152, _1348158]
   Call: (192) [system] fail
   Call: (192) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (192) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (192) [user] apply:maplist(mfix_vars1, [synthesize, _query, _kb, _rb, ['S', _k]], _1329564)
   Call: (193) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _1329564, user:mfix_vars1)
^  Call: (194) [user] mfix_vars1(synthesize, _1353732)
   Call: (195) [system] var(synthesize)
   Call: (195) [system] atom(synthesize)
   Exit: (195) [system] atom(synthesize)
^  Call: (195) [user] symbol_concat($, _1357440, synthesize)
   Call: (196) [system] atom_concat($, _1357440, synthesize)
   Fail: (196) [system] atom_concat($, _1357440, synthesize)
^  Fail: (195) [user] symbol_concat($, _1357440, synthesize)
   Call: (195) [system] synthesize==true
   Call: (195) [system] synthesize==false
   Call: (195) [system] synthesize==[_1363028, _1363034]
   Call: (195) [system] is_list(synthesize)
   Call: (195) [system] string(synthesize)
   Call: (195) [system] compound(synthesize)
^  Call: (195) [user] symbol(synthesize)
   Call: (196) [system] atom(synthesize)
   Exit: (196) [system] atom(synthesize)
^  Exit: (195) [user] symbol(synthesize)
^  Exit: (194) [user] mfix_vars1(synthesize, synthesize)
   Call: (194) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _1353734, user:mfix_vars1)
^  Call: (195) [user] mfix_vars1(_query, _1372296)
   Call: (196) [system] var(_query)
   Call: (196) [system] atom(_query)
   Call: (196) [system] _query==true
   Call: (196) [system] _query==false
   Call: (196) [system] _query==[_1376938, _1376944]
   Call: (196) [system] is_list(_query)
   Call: (196) [system] string(_query)
   Call: (196) [system] compound(_query)
   Exit: (196) [system] compound(_query)
   Call: (196) [system] compound_name_arguments(_query, _1381572, _1381574)
   Exit: (196) [system] compound_name_arguments(_query, '$VAR', ['_query'])
   Call: (196) [system] '$VAR'\=='$VAR'
^  Exit: (184) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (183) [system] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
^  Exit: (182) [user] must_det_ll(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
^  Call: (182) [user] must_det_ll(trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _1387166))
^  Call: (183) [user] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _1387166))
^  Call: (184) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _1387166)
^  Call: (185) [user] once(call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _1389966))
^  Call: (186) [user] call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _1389966)
^  Call: (187) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _1389966)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (186) [system] call(user:cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] once(user:call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
   Call: (185) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
^  Exit: (184) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (183) [system] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
^  Call: (182) [user] must_det_ll(trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _1283066))
^  Call: (183) [user] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _1283066))
^  Call: (184) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _1283066)
^  Call: (185) [user] once(call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _1403924))
^  Call: (186) [user] call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _1403924)
^  Call: (187) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _1403924)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (186) [system] call(user:cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] once(user:call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
   Call: (185) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
^  Exit: (184) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (183) [system] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (180) [system] call(user:untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (179) [system] once(user:call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
   Call: (179) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
^  Exit: (178) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (177) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Call: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])))
   Exit: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])))
^  Exit: (176) [user] new_parse_sexpr_metta_IO((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (175) [user] parse_sexpr_metta_IO((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (171) [user] read_sform((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (170) [system] once(user:read_sform((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x55772f068e50), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
   Call: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]==end_of_file
   Fail: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727481871.3601146), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481871.3601146), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]), 155]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x55772f06bcd0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], me_synthesize_1727481849_9551582, 155)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727481871.3601146), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481871.3601146), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]), 155]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727481872.0102103)
   Call: (173) [system] arg(1, t(1727481871.3601146), _3148)
   Exit: (173) [system] arg(1, t(1727481871.3601146), 1727481871.3601146)
   Call: (173) [system] _3158 is 1727481872.0102103-1727481871.3601146
   Exit: (173) [system] 0.6500957012176514 is 1727481872.0102103-1727481871.3601146
   Call: (173) [system] 0.6500957012176514>4
   Fail: (173) [system] 0.6500957012176514>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727481871.3601146), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481871.3601146), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]), 155]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 26)
   Call: (175) [system] atom(26+1)
   Call: (175) [system] set_flag(translated_forms, 27)
   Exit: (175) [system] set_flag(translated_forms, 27)
   Exit: (174) [$syspreds] update_flag(translated_forms, 26, 26+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 26, 26+1))
   Exit: (171) [$syspreds] flag(translated_forms, 26, 26+1)
^  Call: (171) [user] write_metta_datalog_term((0x55772f06bcd0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], me_synthesize_1727481849_9551582, 155)
^  Call: (172) [user] s2t_iz(me_synthesize_1727481849_9551582, _1456322, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _1456324)
   Call: (173) [system] (=)==(:)
^  Call: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _1456324)
   Call: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Exit: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Call: (174) [user] s2t(=, _1460974)
   Call: (175) [system] compound(=)
   Call: (175) [system] (=)=_1460974
   Exit: (175) [system] (=)=(=)
^  Exit: (174) [user] s2t(=, =)
^  Call: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _1460976)
   Call: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Exit: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Call: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], _1468392)
   Call: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (176) [system] synthesize==(->)
   Call: (176) [system] synthesize=='Cons'
   Call: (176) [system] synthesize==(=)
   Call: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (176) [user] apply:maplist(s2t, [synthesize, _query, _kb, _rb, ['S', _k]], _1475804)
   Call: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _1475804, user:s2t)
^  Call: (178) [user] s2t(synthesize, _1477684)
   Call: (179) [system] compound(synthesize)
   Call: (179) [system] synthesize=_1477684
   Exit: (179) [system] synthesize=synthesize
^  Exit: (178) [user] s2t(synthesize, synthesize)
   Call: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _1477686, user:s2t)
^  Call: (179) [user] s2t(_query, _1483258)
   Call: (180) [system] compound(_query)
   Exit: (180) [system] compound(_query)
   Call: (180) [system] is_list(_query)
^  Call: (180) [user] s2tl(_query, _1483258)
   Call: (181) [system] compound(_query)
   Exit: (181) [system] compound(_query)
^  Exit: (180) [user] s2tl(_query, _query)
^  Exit: (179) [user] s2t(_query, _query)
   Call: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], _1483260, user:s2t)
^  Call: (180) [user] s2t(_kb, _1492528)
   Call: (181) [system] compound(_kb)
   Exit: (181) [system] compound(_kb)
   Call: (181) [system] is_list(_kb)
^  Call: (181) [user] s2tl(_kb, _1492528)
   Call: (182) [system] compound(_kb)
   Exit: (182) [system] compound(_kb)
^  Exit: (181) [user] s2tl(_kb, _kb)
^  Exit: (180) [user] s2t(_kb, _kb)
   Call: (180) [apply] apply:maplist_([_rb, ['S', _k]], _1492530, user:s2t)
^  Call: (181) [user] s2t(_rb, _1501798)
   Call: (182) [system] compound(_rb)
   Exit: (182) [system] compound(_rb)
   Call: (182) [system] is_list(_rb)
^  Call: (182) [user] s2tl(_rb, _1501798)
   Call: (183) [system] compound(_rb)
   Exit: (183) [system] compound(_rb)
^  Exit: (182) [user] s2tl(_rb, _rb)
^  Exit: (181) [user] s2t(_rb, _rb)
   Call: (181) [apply] apply:maplist_([['S', _k]], _1501800, user:s2t)
^  Call: (182) [user] s2t(['S', _k], _1511068)
   Call: (183) [system] compound(['S', _k])
   Exit: (183) [system] compound(['S', _k])
   Call: (183) [system] 'S'==(->)
   Call: (183) [system] 'S'=='Cons'
   Call: (183) [system] 'S'==(=)
   Call: (183) [system] is_list(['S', _k])
   Exit: (183) [system] is_list(['S', _k])
^  Call: (183) [user] apply:maplist(s2t, ['S', _k], _1518480)
   Call: (184) [apply] apply:maplist_(['S', _k], _1518480, user:s2t)
^  Call: (185) [user] s2t('S', _1520360)
   Call: (186) [system] compound('S')
   Call: (186) [system] 'S'=_1520360
   Exit: (186) [system] 'S'='S'
^  Exit: (185) [user] s2t('S', 'S')
   Call: (185) [apply] apply:maplist_([_k], _1520362, user:s2t)
^  Call: (186) [user] s2t(_k, _1525934)
   Call: (187) [system] compound(_k)
   Exit: (187) [system] compound(_k)
   Call: (187) [system] is_list(_k)
^  Call: (187) [user] s2tl(_k, _1525934)
   Call: (188) [system] compound(_k)
   Exit: (188) [system] compound(_k)
^  Exit: (187) [user] s2tl(_k, _k)
^  Exit: (186) [user] s2t(_k, _k)
   Call: (186) [apply] apply:maplist_([], _1525936, user:s2t)
   Exit: (186) [apply] apply:maplist_([], [], user:s2t)
   Exit: (185) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (184) [apply] apply:maplist_(['S', _k], ['S', _k], user:s2t)
^  Exit: (183) [apply] apply:maplist(user:s2t, ['S', _k], ['S', _k])
   Call: (183) [system] compound_name_arguments(_1511068, t, ['S', _k])
   Exit: (183) [system] compound_name_arguments(t('S', _k), t, ['S', _k])
^  Exit: (182) [user] s2t(['S', _k], t('S', _k))
   Call: (182) [apply] apply:maplist_([], _1511070, user:s2t)
   Exit: (182) [apply] apply:maplist_([], [], user:s2t)
   Exit: (181) [apply] apply:maplist_([['S', _k]], [t('S', _k)], user:s2t)
   Exit: (180) [apply] apply:maplist_([_rb, ['S', _k]], [_rb, t('S', _k)], user:s2t)
   Exit: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], [_kb, _rb, t('S', _k)], user:s2t)
   Exit: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], [_query, _kb, _rb, t('S', _k)], user:s2t)
   Exit: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)], user:s2t)
^  Exit: (176) [apply] apply:maplist(user:s2t, [synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)])
   Call: (176) [system] compound_name_arguments(_1468392, t, [synthesize, _query, _kb, _rb, t('S', _k)])
   Exit: (176) [system] compound_name_arguments(t(synthesize, _query, _kb, _rb, t('S', _k)), t, [synthesize, _query, _kb, _rb, t('S', _k)])
^  Exit: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], t(synthesize, _query, _kb, _rb, t('S', _k)))
^  Call: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _1468394)
   Call: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Exit: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Call: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], _1554778)
   Call: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
   Exit: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
   Call: (177) [system] 'let*'==(->)
   Call: (177) [system] 'let*'=='Cons'
   Call: (177) [system] 'let*'==(=)
   Call: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
   Exit: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
^  Call: (177) [user] apply:maplist(s2t, ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], _1562190)
   Call: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], _1562190, user:s2t)
^  Call: (179) [user] s2t('let*', _1564070)
   Call: (180) [system] compound('let*')
   Call: (180) [system] 'let*'=_1564070
   Exit: (180) [system] 'let*'='let*'
^  Exit: (179) [user] s2t('let*', 'let*')
   Call: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], _1564072, user:s2t)
^  Call: (180) [user] s2t([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _1569644)
   Call: (181) [system] compound([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Exit: (181) [system] compound([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]]==(->)
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]]=='Cons'
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]]==(=)
   Call: (181) [system] is_list([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Exit: (181) [system] is_list([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
^  Call: (181) [user] apply:maplist(s2t, [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _1577056)
   Call: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _1577056, user:s2t)
^  Call: (183) [user] s2t([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], _1578936)
   Call: (184) [system] compound([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]])
   Exit: (184) [system] compound([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]])
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]==(->)
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]=='Cons'
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]==(=)
   Call: (184) [system] is_list([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]])
   Exit: (184) [system] is_list([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]])
^  Call: (184) [user] apply:maplist(s2t, [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], _1586348)
   Call: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], _1586348, user:s2t)
^  Call: (186) [user] s2t([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], _1588228)
   Call: (187) [system] compound([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
   Exit: (187) [system] compound([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
   Call: (187) [system] (:)==(->)
   Call: (187) [system] (:)=='Cons'
   Call: (187) [system] (:)==(=)
   Call: (187) [system] is_list([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
   Exit: (187) [system] is_list([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
^  Call: (187) [user] apply:maplist(s2t, [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], _1595640)
   Call: (188) [apply] apply:maplist_([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], _1595640, user:s2t)
^  Call: (189) [user] s2t(:, _1597520)
   Call: (190) [system] compound(:)
   Call: (190) [system] (:)=_1597520
   Exit: (190) [system] (:)=(:)
^  Exit: (189) [user] s2t(:, :)
   Call: (189) [apply] apply:maplist_([_ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], _1597522, user:s2t)
^  Call: (190) [user] s2t(_ructor, _1603094)
   Call: (191) [system] compound(_ructor)
   Exit: (191) [system] compound(_ructor)
   Call: (191) [system] is_list(_ructor)
^  Call: (191) [user] s2tl(_ructor, _1603094)
   Call: (192) [system] compound(_ructor)
   Exit: (192) [system] compound(_ructor)
^  Exit: (191) [user] s2tl(_ructor, _ructor)
^  Exit: (190) [user] s2t(_ructor, _ructor)
   Call: (190) [apply] apply:maplist_([[->, _premise1, _premise2, _premise3, _premise4, _conclusion]], _1603096, user:s2t)
^  Call: (191) [user] s2t([->, _premise1, _premise2, _premise3, _premise4, _conclusion], _1612364)
   Call: (192) [system] compound([->, _premise1, _premise2, _premise3, _premise4, _conclusion])
   Exit: (192) [system] compound([->, _premise1, _premise2, _premise3, _premise4, _conclusion])
   Call: (192) [system] (->)==(->)
   Exit: (192) [system] (->)==(->)
^  Call: (192) [user] s2tl([_premise1, _premise2, _premise3, _premise4, _conclusion], _1617000)
   Call: (193) [system] compound([_premise1, _premise2, _premise3, _premise4, _conclusion])
   Exit: (193) [system] compound([_premise1, _premise2, _premise3, _premise4, _conclusion])
^  Call: (193) [user] s2t(_premise1, _1619780)
   Call: (194) [system] compound(_premise1)
   Exit: (194) [system] compound(_premise1)
   Call: (194) [system] is_list(_premise1)
^  Call: (194) [user] s2tl(_premise1, _1619780)
   Call: (195) [system] compound(_premise1)
   Exit: (195) [system] compound(_premise1)
^  Exit: (194) [user] s2tl(_premise1, _premise1)
^  Exit: (193) [user] s2t(_premise1, _premise1)
^  Call: (193) [user] s2tl([_premise2, _premise3, _premise4, _conclusion], _1619782)
   Call: (194) [system] compound([_premise2, _premise3, _premise4, _conclusion])
   Exit: (194) [system] compound([_premise2, _premise3, _premise4, _conclusion])
^  Call: (194) [user] s2t(_premise2, _1630894)
   Call: (195) [system] compound(_premise2)
   Exit: (195) [system] compound(_premise2)
   Call: (195) [system] is_list(_premise2)
^  Call: (195) [user] s2tl(_premise2, _1630894)
   Call: (196) [system] compound(_premise2)
   Exit: (196) [system] compound(_premise2)
^  Exit: (195) [user] s2tl(_premise2, _premise2)
^  Exit: (194) [user] s2t(_premise2, _premise2)
^  Call: (194) [user] s2tl([_premise3, _premise4, _conclusion], _1630896)
   Call: (195) [system] compound([_premise3, _premise4, _conclusion])
   Exit: (195) [system] compound([_premise3, _premise4, _conclusion])
^  Call: (195) [user] s2t(_premise3, _1642008)
   Call: (196) [system] compound(_premise3)
   Exit: (196) [system] compound(_premise3)
   Call: (196) [system] is_list(_premise3)
^  Call: (196) [user] s2tl(_premise3, _1642008)
   Call: (197) [system] compound(_premise3)
   Exit: (197) [system] compound(_premise3)
^  Exit: (196) [user] s2tl(_premise3, _premise3)
^  Exit: (195) [user] s2t(_premise3, _premise3)
^  Call: (195) [user] s2tl([_premise4, _conclusion], _1642010)
   Call: (196) [system] compound([_premise4, _conclusion])
   Exit: (196) [system] compound([_premise4, _conclusion])
^  Call: (196) [user] s2t(_premise4, _1653122)
   Call: (197) [system] compound(_premise4)
   Exit: (197) [system] compound(_premise4)
   Call: (197) [system] is_list(_premise4)
^  Call: (197) [user] s2tl(_premise4, _1653122)
   Call: (198) [system] compound(_premise4)
   Exit: (198) [system] compound(_premise4)
^  Exit: (197) [user] s2tl(_premise4, _premise4)
^  Exit: (196) [user] s2t(_premise4, _premise4)
^  Call: (196) [user] s2tl([_conclusion], _1653124)
   Call: (197) [system] compound([_conclusion])
   Exit: (197) [system] compound([_conclusion])
^  Call: (197) [user] s2t(_conclusion, _1664236)
   Call: (198) [system] compound(_conclusion)
   Exit: (198) [system] compound(_conclusion)
   Call: (198) [system] is_list(_conclusion)
^  Call: (198) [user] s2tl(_conclusion, _1664236)
   Call: (199) [system] compound(_conclusion)
   Exit: (199) [system] compound(_conclusion)
^  Exit: (198) [user] s2tl(_conclusion, _conclusion)
^  Exit: (197) [user] s2t(_conclusion, _conclusion)
^  Call: (197) [user] s2tl([], _1664238)
   Call: (198) [system] compound([])
   Call: (198) [system] []=_1664238
   Exit: (198) [system] []=[]
^  Exit: (197) [user] s2tl([], [])
^  Exit: (196) [user] s2tl([_conclusion], [_conclusion])
^  Exit: (195) [user] s2tl([_premise4, _conclusion], [_premise4, _conclusion])
^  Exit: (194) [user] s2tl([_premise3, _premise4, _conclusion], [_premise3, _premise4, _conclusion])
^  Exit: (193) [user] s2tl([_premise2, _premise3, _premise4, _conclusion], [_premise2, _premise3, _premise4, _conclusion])
^  Exit: (192) [user] s2tl([_premise1, _premise2, _premise3, _premise4, _conclusion], [_premise1, _premise2, _premise3, _premise4, _conclusion])
   Call: (192) [system] _1612364=..[->, [_premise1, _premise2, _premise3, _premise4, _conclusion]]
   Exit: (192) [system] ->([_premise1, _premise2, _premise3, _premise4, _conclusion])=..[->, [_premise1, _premise2, _premise3, _premise4, _conclusion]]
^  Exit: (191) [user] s2t([->, _premise1, _premise2, _premise3, _premise4, _conclusion], ->([_premise1, _premise2, _premise3, _premise4, _conclusion]))
   Call: (191) [apply] apply:maplist_([], _1612366, user:s2t)
   Exit: (191) [apply] apply:maplist_([], [], user:s2t)
   Exit: (190) [apply] apply:maplist_([[->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [->([_premise1, _premise2, _premise3, _premise4, _conclusion])], user:s2t)
   Exit: (189) [apply] apply:maplist_([_ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])], user:s2t)
   Exit: (188) [apply] apply:maplist_([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])], user:s2t)
^  Exit: (187) [apply] apply:maplist(user:s2t, [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])])
   Call: (187) [system] compound_name_arguments(_1588228, t, [:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])])
   Exit: (187) [system] compound_name_arguments(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t, [:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])])
^  Exit: (186) [user] s2t([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])))
   Call: (186) [apply] apply:maplist_([[_rb]], _1588230, user:s2t)
^  Call: (187) [user] s2t([_rb], _1693980)
   Call: (188) [system] compound([_rb])
   Exit: (188) [system] compound([_rb])
   Call: (188) [system] _rb==(->)
   Call: (188) [system] _rb=='Cons'
   Call: (188) [system] _rb==(=)
   Call: (188) [system] is_list([_rb])
   Exit: (188) [system] is_list([_rb])
^  Call: (188) [user] apply:maplist(s2t, [_rb], _1701392)
   Call: (189) [apply] apply:maplist_([_rb], _1701392, user:s2t)
^  Call: (190) [user] s2t(_rb, _1703272)
   Call: (191) [system] compound(_rb)
   Exit: (191) [system] compound(_rb)
   Call: (191) [system] is_list(_rb)
^  Call: (191) [user] s2tl(_rb, _1703272)
   Call: (192) [system] compound(_rb)
   Exit: (192) [system] compound(_rb)
^  Exit: (191) [user] s2tl(_rb, _rb)
^  Exit: (190) [user] s2t(_rb, _rb)
   Call: (190) [apply] apply:maplist_([], _1703274, user:s2t)
   Exit: (190) [apply] apply:maplist_([], [], user:s2t)
   Exit: (189) [apply] apply:maplist_([_rb], [_rb], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [_rb], [_rb])
   Call: (188) [system] compound_name_arguments(_1693980, t, [_rb])
   Exit: (188) [system] compound_name_arguments(t(_rb), t, [_rb])
^  Exit: (187) [user] s2t([_rb], t(_rb))
   Call: (187) [apply] apply:maplist_([], _1693982, user:s2t)
   Exit: (187) [apply] apply:maplist_([], [], user:s2t)
   Exit: (186) [apply] apply:maplist_([[_rb]], [t(_rb)], user:s2t)
   Exit: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)], user:s2t)
^  Exit: (184) [apply] apply:maplist(user:s2t, [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)])
   Call: (184) [system] compound_name_arguments(_1578936, t, [t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)])
   Exit: (184) [system] compound_name_arguments(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t, [t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)])
^  Exit: (183) [user] s2t([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)))
   Call: (183) [apply] apply:maplist_([[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _1578938, user:s2t)
^  Call: (184) [user] s2t([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], _1726536)
   Call: (185) [system] compound([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query])
   Exit: (185) [system] compound([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query])
   Call: (185) [system] [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]==(->)
   Call: (185) [system] [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]=='Cons'
   Call: (185) [system] [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]==(=)
   Call: (185) [system] is_list([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query])
   Exit: (185) [system] is_list([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query])
^  Call: (185) [user] apply:maplist(s2t, [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], _1733948)
   Call: (186) [apply] apply:maplist_([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], _1733948, user:s2t)
^  Call: (187) [user] s2t([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _1735828)
   Call: (188) [system] compound([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion])
   Exit: (188) [system] compound([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion])
   Call: (188) [system] (:)==(->)
   Call: (188) [system] (:)=='Cons'
   Call: (188) [system] (:)==(=)
   Call: (188) [system] is_list([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion])
   Exit: (188) [system] is_list([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion])
^  Call: (188) [user] apply:maplist(s2t, [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _1743240)
   Call: (189) [apply] apply:maplist_([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _1743240, user:s2t)
^  Call: (190) [user] s2t(:, _1745120)
   Call: (191) [system] compound(:)
   Call: (191) [system] (:)=_1745120
   Exit: (191) [system] (:)=(:)
^  Exit: (190) [user] s2t(:, :)
   Call: (190) [apply] apply:maplist_([[_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _1745122, user:s2t)
^  Call: (191) [user] s2t([_ructor, _proof1, _proof2, _proof3, _proof4], _1750694)
   Call: (192) [system] compound([_ructor, _proof1, _proof2, _proof3, _proof4])
   Exit: (192) [system] compound([_ructor, _proof1, _proof2, _proof3, _proof4])
   Call: (192) [system] _ructor==(->)
   Call: (192) [system] _ructor=='Cons'
   Call: (192) [system] _ructor==(=)
   Call: (192) [system] is_list([_ructor, _proof1, _proof2, _proof3, _proof4])
   Exit: (192) [system] is_list([_ructor, _proof1, _proof2, _proof3, _proof4])
^  Call: (192) [user] apply:maplist(s2t, [_ructor, _proof1, _proof2, _proof3, _proof4], _1758106)
   Call: (193) [apply] apply:maplist_([_ructor, _proof1, _proof2, _proof3, _proof4], _1758106, user:s2t)
^  Call: (194) [user] s2t(_ructor, _1759986)
   Call: (195) [system] compound(_ructor)
   Exit: (195) [system] compound(_ructor)
   Call: (195) [system] is_list(_ructor)
^  Call: (195) [user] s2tl(_ructor, _1759986)
   Call: (196) [system] compound(_ructor)
   Exit: (196) [system] compound(_ructor)
^  Exit: (195) [user] s2tl(_ructor, _ructor)
^  Exit: (194) [user] s2t(_ructor, _ructor)
   Call: (194) [apply] apply:maplist_([_proof1, _proof2, _proof3, _proof4], _1759988, user:s2t)
^  Call: (195) [user] s2t(_proof1, _1769256)
   Call: (196) [system] compound(_proof1)
   Exit: (196) [system] compound(_proof1)
   Call: (196) [system] is_list(_proof1)
^  Call: (196) [user] s2tl(_proof1, _1769256)
   Call: (197) [system] compound(_proof1)
   Exit: (197) [system] compound(_proof1)
^  Exit: (196) [user] s2tl(_proof1, _proof1)
^  Exit: (195) [user] s2t(_proof1, _proof1)
   Call: (195) [apply] apply:maplist_([_proof2, _proof3, _proof4], _1769258, user:s2t)
^  Call: (196) [user] s2t(_proof2, _1778526)
   Call: (197) [system] compound(_proof2)
   Exit: (197) [system] compound(_proof2)
   Call: (197) [system] is_list(_proof2)
^  Call: (197) [user] s2tl(_proof2, _1778526)
   Call: (198) [system] compound(_proof2)
   Exit: (198) [system] compound(_proof2)
^  Exit: (197) [user] s2tl(_proof2, _proof2)
^  Exit: (196) [user] s2t(_proof2, _proof2)
   Call: (196) [apply] apply:maplist_([_proof3, _proof4], _1778528, user:s2t)
^  Call: (197) [user] s2t(_proof3, _1787796)
   Call: (198) [system] compound(_proof3)
   Exit: (198) [system] compound(_proof3)
   Call: (198) [system] is_list(_proof3)
^  Call: (198) [user] s2tl(_proof3, _1787796)
   Call: (199) [system] compound(_proof3)
   Exit: (199) [system] compound(_proof3)
^  Exit: (198) [user] s2tl(_proof3, _proof3)
^  Exit: (197) [user] s2t(_proof3, _proof3)
   Call: (197) [apply] apply:maplist_([_proof4], _1787798, user:s2t)
^  Call: (198) [user] s2t(_proof4, _1797066)
   Call: (199) [system] compound(_proof4)
   Exit: (199) [system] compound(_proof4)
   Call: (199) [system] is_list(_proof4)
^  Call: (199) [user] s2tl(_proof4, _1797066)
   Call: (200) [system] compound(_proof4)
   Exit: (200) [system] compound(_proof4)
^  Exit: (199) [user] s2tl(_proof4, _proof4)
^  Exit: (198) [user] s2t(_proof4, _proof4)
   Call: (198) [apply] apply:maplist_([], _1797068, user:s2t)
   Exit: (198) [apply] apply:maplist_([], [], user:s2t)
   Exit: (197) [apply] apply:maplist_([_proof4], [_proof4], user:s2t)
   Exit: (196) [apply] apply:maplist_([_proof3, _proof4], [_proof3, _proof4], user:s2t)
   Exit: (195) [apply] apply:maplist_([_proof2, _proof3, _proof4], [_proof2, _proof3, _proof4], user:s2t)
   Exit: (194) [apply] apply:maplist_([_proof1, _proof2, _proof3, _proof4], [_proof1, _proof2, _proof3, _proof4], user:s2t)
   Exit: (193) [apply] apply:maplist_([_ructor, _proof1, _proof2, _proof3, _proof4], [_ructor, _proof1, _proof2, _proof3, _proof4], user:s2t)
^  Exit: (192) [apply] apply:maplist(user:s2t, [_ructor, _proof1, _proof2, _proof3, _proof4], [_ructor, _proof1, _proof2, _proof3, _proof4])
   Call: (192) [system] compound_name_arguments(_1750694, t, [_ructor, _proof1, _proof2, _proof3, _proof4])
   Exit: (192) [system] compound_name_arguments(t(_ructor, _proof1, _proof2, _proof3, _proof4), t, [_ructor, _proof1, _proof2, _proof3, _proof4])
^  Exit: (191) [user] s2t([_ructor, _proof1, _proof2, _proof3, _proof4], t(_ructor, _proof1, _proof2, _proof3, _proof4))
   Call: (191) [apply] apply:maplist_([_conclusion], _1750696, user:s2t)
^  Call: (192) [user] s2t(_conclusion, _1816602)
   Call: (193) [system] compound(_conclusion)
   Exit: (193) [system] compound(_conclusion)
   Call: (193) [system] is_list(_conclusion)
^  Call: (193) [user] s2tl(_conclusion, _1816602)
   Call: (194) [system] compound(_conclusion)
   Exit: (194) [system] compound(_conclusion)
^  Exit: (193) [user] s2tl(_conclusion, _conclusion)
^  Exit: (192) [user] s2t(_conclusion, _conclusion)
   Call: (192) [apply] apply:maplist_([], _1816604, user:s2t)
   Exit: (192) [apply] apply:maplist_([], [], user:s2t)
   Exit: (191) [apply] apply:maplist_([_conclusion], [_conclusion], user:s2t)
   Exit: (190) [apply] apply:maplist_([[_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], [t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion], user:s2t)
   Exit: (189) [apply] apply:maplist_([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], [:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], [:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion])
   Call: (188) [system] compound_name_arguments(_1735828, t, [:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion])
   Exit: (188) [system] compound_name_arguments(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), t, [:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion])
^  Exit: (187) [user] s2t([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion))
   Call: (187) [apply] apply:maplist_([_query], _1735830, user:s2t)
^  Call: (188) [user] s2t(_query, _1834270)
   Call: (189) [system] compound(_query)
   Exit: (189) [system] compound(_query)
   Call: (189) [system] is_list(_query)
^  Call: (189) [user] s2tl(_query, _1834270)
   Call: (190) [system] compound(_query)
   Exit: (190) [system] compound(_query)
^  Exit: (189) [user] s2tl(_query, _query)
^  Exit: (188) [user] s2t(_query, _query)
   Call: (188) [apply] apply:maplist_([], _1834272, user:s2t)
   Exit: (188) [apply] apply:maplist_([], [], user:s2t)
   Exit: (187) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (186) [apply] apply:maplist_([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query], user:s2t)
^  Exit: (185) [apply] apply:maplist(user:s2t, [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query])
   Call: (185) [system] compound_name_arguments(_1726536, t, [t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query])
   Exit: (185) [system] compound_name_arguments(t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t, [t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query])
^  Exit: (184) [user] s2t([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query))
   Call: (184) [apply] apply:maplist_([[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _1726538, user:s2t)
^  Call: (185) [user] s2t([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _1851004)
   Call: (186) [system] compound([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Exit: (186) [system] compound([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Call: (186) [system] [:, _proof1, _premise1]==(->)
   Call: (186) [system] [:, _proof1, _premise1]=='Cons'
   Call: (186) [system] [:, _proof1, _premise1]==(=)
   Call: (186) [system] is_list([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Exit: (186) [system] is_list([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Call: (186) [user] apply:maplist(s2t, [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _1858416)
   Call: (187) [apply] apply:maplist_([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _1858416, user:s2t)
^  Call: (188) [user] s2t([:, _proof1, _premise1], _1860296)
   Call: (189) [system] compound([:, _proof1, _premise1])
   Exit: (189) [system] compound([:, _proof1, _premise1])
   Call: (189) [system] (:)==(->)
   Call: (189) [system] (:)=='Cons'
   Call: (189) [system] (:)==(=)
   Call: (189) [system] is_list([:, _proof1, _premise1])
   Exit: (189) [system] is_list([:, _proof1, _premise1])
^  Call: (189) [user] apply:maplist(s2t, [:, _proof1, _premise1], _1867708)
   Call: (190) [apply] apply:maplist_([:, _proof1, _premise1], _1867708, user:s2t)
^  Call: (191) [user] s2t(:, _1869588)
   Call: (192) [system] compound(:)
   Call: (192) [system] (:)=_1869588
   Exit: (192) [system] (:)=(:)
^  Exit: (191) [user] s2t(:, :)
   Call: (191) [apply] apply:maplist_([_proof1, _premise1], _1869590, user:s2t)
^  Call: (192) [user] s2t(_proof1, _1875162)
   Call: (193) [system] compound(_proof1)
   Exit: (193) [system] compound(_proof1)
   Call: (193) [system] is_list(_proof1)
^  Call: (193) [user] s2tl(_proof1, _1875162)
   Call: (194) [system] compound(_proof1)
   Exit: (194) [system] compound(_proof1)
^  Exit: (193) [user] s2tl(_proof1, _proof1)
^  Exit: (192) [user] s2t(_proof1, _proof1)
   Call: (192) [apply] apply:maplist_([_premise1], _1875164, user:s2t)
^  Call: (193) [user] s2t(_premise1, _1884432)
   Call: (194) [system] compound(_premise1)
   Exit: (194) [system] compound(_premise1)
   Call: (194) [system] is_list(_premise1)
^  Call: (194) [user] s2tl(_premise1, _1884432)
   Call: (195) [system] compound(_premise1)
   Exit: (195) [system] compound(_premise1)
^  Exit: (194) [user] s2tl(_premise1, _premise1)
^  Exit: (193) [user] s2t(_premise1, _premise1)
   Call: (193) [apply] apply:maplist_([], _1884434, user:s2t)
   Exit: (193) [apply] apply:maplist_([], [], user:s2t)
   Exit: (192) [apply] apply:maplist_([_premise1], [_premise1], user:s2t)
   Exit: (191) [apply] apply:maplist_([_proof1, _premise1], [_proof1, _premise1], user:s2t)
   Exit: (190) [apply] apply:maplist_([:, _proof1, _premise1], [:, _proof1, _premise1], user:s2t)
^  Exit: (189) [apply] apply:maplist(user:s2t, [:, _proof1, _premise1], [:, _proof1, _premise1])
   Call: (189) [system] compound_name_arguments(_1860296, t, [:, _proof1, _premise1])
   Exit: (189) [system] compound_name_arguments(t(:, _proof1, _premise1), t, [:, _proof1, _premise1])
^  Exit: (188) [user] s2t([:, _proof1, _premise1], t(:, _proof1, _premise1))
   Call: (188) [apply] apply:maplist_([[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _1860298, user:s2t)
^  Call: (189) [user] s2t([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _1902100)
   Call: (190) [system] compound([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Exit: (190) [system] compound([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Call: (190) [system] synthesize==(->)
   Call: (190) [system] synthesize=='Cons'
   Call: (190) [system] synthesize==(=)
   Call: (190) [system] is_list([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Exit: (190) [system] is_list([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Call: (190) [user] apply:maplist(s2t, [synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _1909512)
   Call: (191) [apply] apply:maplist_([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _1909512, user:s2t)
^  Call: (192) [user] s2t(synthesize, _1911392)
   Call: (193) [system] compound(synthesize)
   Call: (193) [system] synthesize=_1911392
   Exit: (193) [system] synthesize=synthesize
^  Exit: (192) [user] s2t(synthesize, synthesize)
   Call: (192) [apply] apply:maplist_([[:, _proof1, _premise1], _kb, _rb, _k], _1911394, user:s2t)
^  Call: (193) [user] s2t([:, _proof1, _premise1], _1916966)
   Call: (194) [system] compound([:, _proof1, _premise1])
   Exit: (194) [system] compound([:, _proof1, _premise1])
   Call: (194) [system] (:)==(->)
   Call: (194) [system] (:)=='Cons'
   Call: (194) [system] (:)==(=)
   Call: (194) [system] is_list([:, _proof1, _premise1])
   Exit: (194) [system] is_list([:, _proof1, _premise1])
^  Call: (194) [user] apply:maplist(s2t, [:, _proof1, _premise1], _1924378)
   Call: (195) [apply] apply:maplist_([:, _proof1, _premise1], _1924378, user:s2t)
^  Call: (196) [user] s2t(:, _1926258)
   Call: (197) [system] compound(:)
   Call: (197) [system] (:)=_1926258
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] s2t(:, :)
   Call: (196) [apply] apply:maplist_([_proof1, _premise1], _1926260, user:s2t)
^  Call: (197) [user] s2t(_proof1, _1931832)
   Call: (198) [system] compound(_proof1)
   Exit: (198) [system] compound(_proof1)
   Call: (198) [system] is_list(_proof1)
^  Call: (198) [user] s2tl(_proof1, _1931832)
   Call: (199) [system] compound(_proof1)
   Exit: (199) [system] compound(_proof1)
^  Exit: (198) [user] s2tl(_proof1, _proof1)
^  Exit: (197) [user] s2t(_proof1, _proof1)
   Call: (197) [apply] apply:maplist_([_premise1], _1931834, user:s2t)
^  Call: (198) [user] s2t(_premise1, _1941102)
   Call: (199) [system] compound(_premise1)
   Exit: (199) [system] compound(_premise1)
   Call: (199) [system] is_list(_premise1)
^  Call: (199) [user] s2tl(_premise1, _1941102)
   Call: (200) [system] compound(_premise1)
   Exit: (200) [system] compound(_premise1)
^  Exit: (199) [user] s2tl(_premise1, _premise1)
^  Exit: (198) [user] s2t(_premise1, _premise1)
   Call: (198) [apply] apply:maplist_([], _1941104, user:s2t)
   Exit: (198) [apply] apply:maplist_([], [], user:s2t)
   Exit: (197) [apply] apply:maplist_([_premise1], [_premise1], user:s2t)
   Exit: (196) [apply] apply:maplist_([_proof1, _premise1], [_proof1, _premise1], user:s2t)
   Exit: (195) [apply] apply:maplist_([:, _proof1, _premise1], [:, _proof1, _premise1], user:s2t)
^  Exit: (194) [apply] apply:maplist(user:s2t, [:, _proof1, _premise1], [:, _proof1, _premise1])
   Call: (194) [system] compound_name_arguments(_1916966, t, [:, _proof1, _premise1])
   Exit: (194) [system] compound_name_arguments(t(:, _proof1, _premise1), t, [:, _proof1, _premise1])
^  Exit: (193) [user] s2t([:, _proof1, _premise1], t(:, _proof1, _premise1))
   Call: (193) [apply] apply:maplist_([_kb, _rb, _k], _1916968, user:s2t)
^  Call: (194) [user] s2t(_kb, _1958770)
   Call: (195) [system] compound(_kb)
   Exit: (195) [system] compound(_kb)
   Call: (195) [system] is_list(_kb)
^  Call: (195) [user] s2tl(_kb, _1958770)
   Call: (196) [system] compound(_kb)
   Exit: (196) [system] compound(_kb)
^  Exit: (195) [user] s2tl(_kb, _kb)
^  Exit: (194) [user] s2t(_kb, _kb)
   Call: (194) [apply] apply:maplist_([_rb, _k], _1958772, user:s2t)
^  Call: (195) [user] s2t(_rb, _1968040)
   Call: (196) [system] compound(_rb)
   Exit: (196) [system] compound(_rb)
   Call: (196) [system] is_list(_rb)
^  Call: (196) [user] s2tl(_rb, _1968040)
   Call: (197) [system] compound(_rb)
   Exit: (197) [system] compound(_rb)
^  Exit: (196) [user] s2tl(_rb, _rb)
^  Exit: (195) [user] s2t(_rb, _rb)
   Call: (195) [apply] apply:maplist_([_k], _1968042, user:s2t)
^  Call: (196) [user] s2t(_k, _1977310)
   Call: (197) [system] compound(_k)
   Exit: (197) [system] compound(_k)
   Call: (197) [system] is_list(_k)
^  Call: (197) [user] s2tl(_k, _1977310)
   Call: (198) [system] compound(_k)
   Exit: (198) [system] compound(_k)
^  Exit: (197) [user] s2tl(_k, _k)
^  Exit: (196) [user] s2t(_k, _k)
   Call: (196) [apply] apply:maplist_([], _1977312, user:s2t)
   Exit: (196) [apply] apply:maplist_([], [], user:s2t)
   Exit: (195) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (194) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (192) [apply] apply:maplist_([[:, _proof1, _premise1], _kb, _rb, _k], [t(:, _proof1, _premise1), _kb, _rb, _k], user:s2t)
   Exit: (191) [apply] apply:maplist_([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k], user:s2t)
^  Exit: (190) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof1, _premise1], _kb, _rb, _k], [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
   Call: (190) [system] compound_name_arguments(_1902100, t, [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
   Exit: (190) [system] compound_name_arguments(t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k), t, [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
^  Exit: (189) [user] s2t([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k))
   Call: (189) [apply] apply:maplist_([], _1902102, user:s2t)
   Exit: (189) [apply] apply:maplist_([], [], user:s2t)
   Exit: (188) [apply] apply:maplist_([[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)], user:s2t)
   Exit: (187) [apply] apply:maplist_([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)], user:s2t)
^  Exit: (186) [apply] apply:maplist(user:s2t, [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
   Call: (186) [system] compound_name_arguments(_1851004, t, [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
   Exit: (186) [system] compound_name_arguments(t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t, [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
^  Exit: (185) [user] s2t([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)))
   Call: (185) [apply] apply:maplist_([[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _1851006, user:s2t)
^  Call: (186) [user] s2t([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _2004310)
   Call: (187) [system] compound([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Exit: (187) [system] compound([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Call: (187) [system] [:, _proof2, _premise2]==(->)
   Call: (187) [system] [:, _proof2, _premise2]=='Cons'
   Call: (187) [system] [:, _proof2, _premise2]==(=)
   Call: (187) [system] is_list([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Exit: (187) [system] is_list([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Call: (187) [user] apply:maplist(s2t, [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _2011722)
   Call: (188) [apply] apply:maplist_([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _2011722, user:s2t)
^  Call: (189) [user] s2t([:, _proof2, _premise2], _2013602)
   Call: (190) [system] compound([:, _proof2, _premise2])
   Exit: (190) [system] compound([:, _proof2, _premise2])
   Call: (190) [system] (:)==(->)
   Call: (190) [system] (:)=='Cons'
   Call: (190) [system] (:)==(=)
   Call: (190) [system] is_list([:, _proof2, _premise2])
   Exit: (190) [system] is_list([:, _proof2, _premise2])
^  Call: (190) [user] apply:maplist(s2t, [:, _proof2, _premise2], _2021014)
   Call: (191) [apply] apply:maplist_([:, _proof2, _premise2], _2021014, user:s2t)
^  Call: (192) [user] s2t(:, _2022894)
   Call: (193) [system] compound(:)
   Call: (193) [system] (:)=_2022894
   Exit: (193) [system] (:)=(:)
^  Exit: (192) [user] s2t(:, :)
   Call: (192) [apply] apply:maplist_([_proof2, _premise2], _2022896, user:s2t)
^  Call: (193) [user] s2t(_proof2, _2028468)
   Call: (194) [system] compound(_proof2)
   Exit: (194) [system] compound(_proof2)
   Call: (194) [system] is_list(_proof2)
^  Call: (194) [user] s2tl(_proof2, _2028468)
   Call: (195) [system] compound(_proof2)
   Exit: (195) [system] compound(_proof2)
^  Exit: (194) [user] s2tl(_proof2, _proof2)
^  Exit: (193) [user] s2t(_proof2, _proof2)
   Call: (193) [apply] apply:maplist_([_premise2], _2028470, user:s2t)
^  Call: (194) [user] s2t(_premise2, _2037738)
   Call: (195) [system] compound(_premise2)
   Exit: (195) [system] compound(_premise2)
   Call: (195) [system] is_list(_premise2)
^  Call: (195) [user] s2tl(_premise2, _2037738)
   Call: (196) [system] compound(_premise2)
   Exit: (196) [system] compound(_premise2)
^  Exit: (195) [user] s2tl(_premise2, _premise2)
^  Exit: (194) [user] s2t(_premise2, _premise2)
   Call: (194) [apply] apply:maplist_([], _2037740, user:s2t)
   Exit: (194) [apply] apply:maplist_([], [], user:s2t)
   Exit: (193) [apply] apply:maplist_([_premise2], [_premise2], user:s2t)
   Exit: (192) [apply] apply:maplist_([_proof2, _premise2], [_proof2, _premise2], user:s2t)
   Exit: (191) [apply] apply:maplist_([:, _proof2, _premise2], [:, _proof2, _premise2], user:s2t)
^  Exit: (190) [apply] apply:maplist(user:s2t, [:, _proof2, _premise2], [:, _proof2, _premise2])
   Call: (190) [system] compound_name_arguments(_2013602, t, [:, _proof2, _premise2])
   Exit: (190) [system] compound_name_arguments(t(:, _proof2, _premise2), t, [:, _proof2, _premise2])
^  Exit: (189) [user] s2t([:, _proof2, _premise2], t(:, _proof2, _premise2))
   Call: (189) [apply] apply:maplist_([[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _2013604, user:s2t)
^  Call: (190) [user] s2t([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _2055406)
   Call: (191) [system] compound([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Exit: (191) [system] compound([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Call: (191) [system] synthesize==(->)
   Call: (191) [system] synthesize=='Cons'
   Call: (191) [system] synthesize==(=)
   Call: (191) [system] is_list([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Exit: (191) [system] is_list([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Call: (191) [user] apply:maplist(s2t, [synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _2062818)
   Call: (192) [apply] apply:maplist_([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _2062818, user:s2t)
^  Call: (193) [user] s2t(synthesize, _2064698)
   Call: (194) [system] compound(synthesize)
   Call: (194) [system] synthesize=_2064698
   Exit: (194) [system] synthesize=synthesize
^  Exit: (193) [user] s2t(synthesize, synthesize)
   Call: (193) [apply] apply:maplist_([[:, _proof2, _premise2], _kb, _rb, _k], _2064700, user:s2t)
^  Call: (194) [user] s2t([:, _proof2, _premise2], _2070272)
   Call: (195) [system] compound([:, _proof2, _premise2])
   Exit: (195) [system] compound([:, _proof2, _premise2])
   Call: (195) [system] (:)==(->)
   Call: (195) [system] (:)=='Cons'
   Call: (195) [system] (:)==(=)
   Call: (195) [system] is_list([:, _proof2, _premise2])
   Exit: (195) [system] is_list([:, _proof2, _premise2])
^  Call: (195) [user] apply:maplist(s2t, [:, _proof2, _premise2], _2077684)
   Call: (196) [apply] apply:maplist_([:, _proof2, _premise2], _2077684, user:s2t)
^  Call: (197) [user] s2t(:, _2079564)
   Call: (198) [system] compound(:)
   Call: (198) [system] (:)=_2079564
   Exit: (198) [system] (:)=(:)
^  Exit: (197) [user] s2t(:, :)
   Call: (197) [apply] apply:maplist_([_proof2, _premise2], _2079566, user:s2t)
^  Call: (198) [user] s2t(_proof2, _2085138)
   Call: (199) [system] compound(_proof2)
   Exit: (199) [system] compound(_proof2)
   Call: (199) [system] is_list(_proof2)
^  Call: (199) [user] s2tl(_proof2, _2085138)
   Call: (200) [system] compound(_proof2)
   Exit: (200) [system] compound(_proof2)
^  Exit: (199) [user] s2tl(_proof2, _proof2)
^  Exit: (198) [user] s2t(_proof2, _proof2)
   Call: (198) [apply] apply:maplist_([_premise2], _2085140, user:s2t)
^  Call: (199) [user] s2t(_premise2, _2094408)
   Call: (200) [system] compound(_premise2)
   Exit: (200) [system] compound(_premise2)
   Call: (200) [system] is_list(_premise2)
^  Call: (200) [user] s2tl(_premise2, _4310)
   Call: (201) [system] compound(_premise2)
   Exit: (201) [system] compound(_premise2)
^  Exit: (200) [user] s2tl(_premise2, _premise2)
^  Exit: (199) [user] s2t(_premise2, _premise2)
   Call: (199) [apply] apply:maplist_([], _4312, user:s2t)
   Exit: (199) [apply] apply:maplist_([], [], user:s2t)
   Exit: (198) [apply] apply:maplist_([_premise2], [_premise2], user:s2t)
   Exit: (197) [apply] apply:maplist_([_proof2, _premise2], [_proof2, _premise2], user:s2t)
   Exit: (196) [apply] apply:maplist_([:, _proof2, _premise2], [:, _proof2, _premise2], user:s2t)
^  Exit: (195) [apply] apply:maplist(user:s2t, [:, _proof2, _premise2], [:, _proof2, _premise2])
   Call: (195) [system] compound_name_arguments(_4284, t, [:, _proof2, _premise2])
   Exit: (195) [system] compound_name_arguments(t(:, _proof2, _premise2), t, [:, _proof2, _premise2])
^  Exit: (194) [user] s2t([:, _proof2, _premise2], t(:, _proof2, _premise2))
   Call: (194) [apply] apply:maplist_([_kb, _rb, _k], _4286, user:s2t)
^  Call: (195) [user] s2t(_kb, _19592)
   Call: (196) [system] compound(_kb)
   Exit: (196) [system] compound(_kb)
   Call: (196) [system] is_list(_kb)
^  Call: (196) [user] s2tl(_kb, _19592)
   Call: (197) [system] compound(_kb)
   Exit: (197) [system] compound(_kb)
^  Exit: (196) [user] s2tl(_kb, _kb)
^  Exit: (195) [user] s2t(_kb, _kb)
   Call: (195) [apply] apply:maplist_([_rb, _k], _19594, user:s2t)
^  Call: (196) [user] s2t(_rb, _28862)
   Call: (197) [system] compound(_rb)
   Exit: (197) [system] compound(_rb)
   Call: (197) [system] is_list(_rb)
^  Call: (197) [user] s2tl(_rb, _28862)
   Call: (198) [system] compound(_rb)
   Exit: (198) [system] compound(_rb)
^  Exit: (197) [user] s2tl(_rb, _rb)
^  Exit: (196) [user] s2t(_rb, _rb)
   Call: (196) [apply] apply:maplist_([_k], _28864, user:s2t)
^  Call: (197) [user] s2t(_k, _38132)
   Call: (198) [system] compound(_k)
   Exit: (198) [system] compound(_k)
   Call: (198) [system] is_list(_k)
^  Call: (198) [user] s2tl(_k, _38132)
   Call: (199) [system] compound(_k)
   Exit: (199) [system] compound(_k)
^  Exit: (198) [user] s2tl(_k, _k)
^  Exit: (197) [user] s2t(_k, _k)
   Call: (197) [apply] apply:maplist_([], _38134, user:s2t)
   Exit: (197) [apply] apply:maplist_([], [], user:s2t)
   Exit: (196) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (195) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (194) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([[:, _proof2, _premise2], _kb, _rb, _k], [t(:, _proof2, _premise2), _kb, _rb, _k], user:s2t)
   Exit: (192) [apply] apply:maplist_([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k], user:s2t)
^  Exit: (191) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof2, _premise2], _kb, _rb, _k], [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
   Call: (191) [system] compound_name_arguments(_4264, t, [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
   Exit: (191) [system] compound_name_arguments(t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k), t, [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
^  Exit: (190) [user] s2t([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))
   Call: (190) [apply] apply:maplist_([], _4266, user:s2t)
   Exit: (190) [apply] apply:maplist_([], [], user:s2t)
   Exit: (189) [apply] apply:maplist_([[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)], user:s2t)
   Exit: (188) [apply] apply:maplist_([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)], user:s2t)
^  Exit: (187) [apply] apply:maplist(user:s2t, [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
   Call: (187) [system] compound_name_arguments(_4236, t, [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
   Exit: (187) [system] compound_name_arguments(t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t, [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
^  Exit: (186) [user] s2t([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)))
   Call: (186) [apply] apply:maplist_([[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _4238, user:s2t)
^  Call: (187) [user] s2t([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _65132)
   Call: (188) [system] compound([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Exit: (188) [system] compound([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Call: (188) [system] [:, _proof3, _premise3]==(->)
   Call: (188) [system] [:, _proof3, _premise3]=='Cons'
   Call: (188) [system] [:, _proof3, _premise3]==(=)
   Call: (188) [system] is_list([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Exit: (188) [system] is_list([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Call: (188) [user] apply:maplist(s2t, [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _72544)
   Call: (189) [apply] apply:maplist_([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _72544, user:s2t)
^  Call: (190) [user] s2t([:, _proof3, _premise3], _74424)
   Call: (191) [system] compound([:, _proof3, _premise3])
   Exit: (191) [system] compound([:, _proof3, _premise3])
   Call: (191) [system] (:)==(->)
   Call: (191) [system] (:)=='Cons'
   Call: (191) [system] (:)==(=)
   Call: (191) [system] is_list([:, _proof3, _premise3])
   Exit: (191) [system] is_list([:, _proof3, _premise3])
^  Call: (191) [user] apply:maplist(s2t, [:, _proof3, _premise3], _81836)
   Call: (192) [apply] apply:maplist_([:, _proof3, _premise3], _81836, user:s2t)
^  Call: (193) [user] s2t(:, _83716)
   Call: (194) [system] compound(:)
   Call: (194) [system] (:)=_83716
   Exit: (194) [system] (:)=(:)
^  Exit: (193) [user] s2t(:, :)
   Call: (193) [apply] apply:maplist_([_proof3, _premise3], _83718, user:s2t)
^  Call: (194) [user] s2t(_proof3, _89290)
   Call: (195) [system] compound(_proof3)
   Exit: (195) [system] compound(_proof3)
   Call: (195) [system] is_list(_proof3)
^  Call: (195) [user] s2tl(_proof3, _89290)
   Call: (196) [system] compound(_proof3)
   Exit: (196) [system] compound(_proof3)
^  Exit: (195) [user] s2tl(_proof3, _proof3)
^  Exit: (194) [user] s2t(_proof3, _proof3)
   Call: (194) [apply] apply:maplist_([_premise3], _89292, user:s2t)
^  Call: (195) [user] s2t(_premise3, _98560)
   Call: (196) [system] compound(_premise3)
   Exit: (196) [system] compound(_premise3)
   Call: (196) [system] is_list(_premise3)
^  Call: (196) [user] s2tl(_premise3, _98560)
   Call: (197) [system] compound(_premise3)
   Exit: (197) [system] compound(_premise3)
^  Exit: (196) [user] s2tl(_premise3, _premise3)
^  Exit: (195) [user] s2t(_premise3, _premise3)
   Call: (195) [apply] apply:maplist_([], _98562, user:s2t)
   Exit: (195) [apply] apply:maplist_([], [], user:s2t)
   Exit: (194) [apply] apply:maplist_([_premise3], [_premise3], user:s2t)
   Exit: (193) [apply] apply:maplist_([_proof3, _premise3], [_proof3, _premise3], user:s2t)
   Exit: (192) [apply] apply:maplist_([:, _proof3, _premise3], [:, _proof3, _premise3], user:s2t)
^  Exit: (191) [apply] apply:maplist(user:s2t, [:, _proof3, _premise3], [:, _proof3, _premise3])
   Call: (191) [system] compound_name_arguments(_74424, t, [:, _proof3, _premise3])
   Exit: (191) [system] compound_name_arguments(t(:, _proof3, _premise3), t, [:, _proof3, _premise3])
^  Exit: (190) [user] s2t([:, _proof3, _premise3], t(:, _proof3, _premise3))
   Call: (190) [apply] apply:maplist_([[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _74426, user:s2t)
^  Call: (191) [user] s2t([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], _116228)
   Call: (192) [system] compound([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
   Exit: (192) [system] compound([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
   Call: (192) [system] synthesize==(->)
   Call: (192) [system] synthesize=='Cons'
   Call: (192) [system] synthesize==(=)
   Call: (192) [system] is_list([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
   Exit: (192) [system] is_list([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Call: (192) [user] apply:maplist(s2t, [synthesize, [:, _proof3, _premise3], _kb, _rb, _k], _123640)
   Call: (193) [apply] apply:maplist_([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], _123640, user:s2t)
^  Call: (194) [user] s2t(synthesize, _125520)
   Call: (195) [system] compound(synthesize)
   Call: (195) [system] synthesize=_125520
   Exit: (195) [system] synthesize=synthesize
^  Exit: (194) [user] s2t(synthesize, synthesize)
   Call: (194) [apply] apply:maplist_([[:, _proof3, _premise3], _kb, _rb, _k], _125522, user:s2t)
^  Call: (195) [user] s2t([:, _proof3, _premise3], _131094)
   Call: (196) [system] compound([:, _proof3, _premise3])
   Exit: (196) [system] compound([:, _proof3, _premise3])
   Call: (196) [system] (:)==(->)
   Call: (196) [system] (:)=='Cons'
   Call: (196) [system] (:)==(=)
   Call: (196) [system] is_list([:, _proof3, _premise3])
   Exit: (196) [system] is_list([:, _proof3, _premise3])
^  Call: (196) [user] apply:maplist(s2t, [:, _proof3, _premise3], _138506)
   Call: (197) [apply] apply:maplist_([:, _proof3, _premise3], _138506, user:s2t)
^  Call: (198) [user] s2t(:, _140386)
   Call: (199) [system] compound(:)
   Call: (199) [system] (:)=_140386
   Exit: (199) [system] (:)=(:)
^  Exit: (198) [user] s2t(:, :)
   Call: (198) [apply] apply:maplist_([_proof3, _premise3], _140388, user:s2t)
^  Call: (199) [user] s2t(_proof3, _145960)
   Call: (200) [system] compound(_proof3)
   Exit: (200) [system] compound(_proof3)
   Call: (200) [system] is_list(_proof3)
^  Call: (200) [user] s2tl(_proof3, _145960)
   Call: (201) [system] compound(_proof3)
   Exit: (201) [system] compound(_proof3)
^  Exit: (200) [user] s2tl(_proof3, _proof3)
^  Exit: (199) [user] s2t(_proof3, _proof3)
   Call: (199) [apply] apply:maplist_([_premise3], _145962, user:s2t)
^  Call: (200) [user] s2t(_premise3, _155230)
   Call: (201) [system] compound(_premise3)
   Exit: (201) [system] compound(_premise3)
   Call: (201) [system] is_list(_premise3)
^  Call: (201) [user] s2tl(_premise3, _155230)
   Call: (202) [system] compound(_premise3)
   Exit: (202) [system] compound(_premise3)
^  Exit: (201) [user] s2tl(_premise3, _premise3)
^  Exit: (200) [user] s2t(_premise3, _premise3)
   Call: (200) [apply] apply:maplist_([], _155232, user:s2t)
   Exit: (200) [apply] apply:maplist_([], [], user:s2t)
   Exit: (199) [apply] apply:maplist_([_premise3], [_premise3], user:s2t)
   Exit: (198) [apply] apply:maplist_([_proof3, _premise3], [_proof3, _premise3], user:s2t)
   Exit: (197) [apply] apply:maplist_([:, _proof3, _premise3], [:, _proof3, _premise3], user:s2t)
^  Exit: (196) [apply] apply:maplist(user:s2t, [:, _proof3, _premise3], [:, _proof3, _premise3])
   Call: (196) [system] compound_name_arguments(_131094, t, [:, _proof3, _premise3])
   Exit: (196) [system] compound_name_arguments(t(:, _proof3, _premise3), t, [:, _proof3, _premise3])
^  Exit: (195) [user] s2t([:, _proof3, _premise3], t(:, _proof3, _premise3))
   Call: (195) [apply] apply:maplist_([_kb, _rb, _k], _131096, user:s2t)
^  Call: (196) [user] s2t(_kb, _172898)
   Call: (197) [system] compound(_kb)
   Exit: (197) [system] compound(_kb)
   Call: (197) [system] is_list(_kb)
^  Call: (197) [user] s2tl(_kb, _172898)
   Call: (198) [system] compound(_kb)
   Exit: (198) [system] compound(_kb)
^  Exit: (197) [user] s2tl(_kb, _kb)
^  Exit: (196) [user] s2t(_kb, _kb)
   Call: (196) [apply] apply:maplist_([_rb, _k], _172900, user:s2t)
^  Call: (197) [user] s2t(_rb, _182168)
   Call: (198) [system] compound(_rb)
   Exit: (198) [system] compound(_rb)
   Call: (198) [system] is_list(_rb)
^  Call: (198) [user] s2tl(_rb, _182168)
   Call: (199) [system] compound(_rb)
   Exit: (199) [system] compound(_rb)
^  Exit: (198) [user] s2tl(_rb, _rb)
^  Exit: (197) [user] s2t(_rb, _rb)
   Call: (197) [apply] apply:maplist_([_k], _182170, user:s2t)
^  Call: (198) [user] s2t(_k, _191438)
   Call: (199) [system] compound(_k)
   Exit: (199) [system] compound(_k)
   Call: (199) [system] is_list(_k)
^  Call: (199) [user] s2tl(_k, _191438)
   Call: (200) [system] compound(_k)
   Exit: (200) [system] compound(_k)
^  Exit: (199) [user] s2tl(_k, _k)
^  Exit: (198) [user] s2t(_k, _k)
   Call: (198) [apply] apply:maplist_([], _191440, user:s2t)
   Exit: (198) [apply] apply:maplist_([], [], user:s2t)
   Exit: (197) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (196) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (195) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (194) [apply] apply:maplist_([[:, _proof3, _premise3], _kb, _rb, _k], [t(:, _proof3, _premise3), _kb, _rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k], user:s2t)
^  Exit: (192) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof3, _premise3], _kb, _rb, _k], [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k])
   Call: (192) [system] compound_name_arguments(_116228, t, [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k])
   Exit: (192) [system] compound_name_arguments(t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k), t, [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k])
^  Exit: (191) [user] s2t([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))
   Call: (191) [apply] apply:maplist_([], _116230, user:s2t)
   Exit: (191) [apply] apply:maplist_([], [], user:s2t)
   Exit: (190) [apply] apply:maplist_([[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)], user:s2t)
   Exit: (189) [apply] apply:maplist_([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)])
   Call: (188) [system] compound_name_arguments(_65132, t, [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)])
   Exit: (188) [system] compound_name_arguments(t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t, [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)])
^  Exit: (187) [user] s2t([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)))
   Call: (187) [apply] apply:maplist_([[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _65134, user:s2t)
^  Call: (188) [user] s2t([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], _218438)
   Call: (189) [system] compound([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
   Exit: (189) [system] compound([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
   Call: (189) [system] [:, _proof4, _premise4]==(->)
   Call: (189) [system] [:, _proof4, _premise4]=='Cons'
   Call: (189) [system] [:, _proof4, _premise4]==(=)
   Call: (189) [system] is_list([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
   Exit: (189) [system] is_list([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
^  Call: (189) [user] apply:maplist(s2t, [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], _225850)
   Call: (190) [apply] apply:maplist_([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], _225850, user:s2t)
^  Call: (191) [user] s2t([:, _proof4, _premise4], _227730)
   Call: (192) [system] compound([:, _proof4, _premise4])
   Exit: (192) [system] compound([:, _proof4, _premise4])
   Call: (192) [system] (:)==(->)
   Call: (192) [system] (:)=='Cons'
   Call: (192) [system] (:)==(=)
   Call: (192) [system] is_list([:, _proof4, _premise4])
   Exit: (192) [system] is_list([:, _proof4, _premise4])
^  Call: (192) [user] apply:maplist(s2t, [:, _proof4, _premise4], _235142)
   Call: (193) [apply] apply:maplist_([:, _proof4, _premise4], _235142, user:s2t)
^  Call: (194) [user] s2t(:, _237022)
   Call: (195) [system] compound(:)
   Call: (195) [system] (:)=_237022
   Exit: (195) [system] (:)=(:)
^  Exit: (194) [user] s2t(:, :)
   Call: (194) [apply] apply:maplist_([_proof4, _premise4], _237024, user:s2t)
^  Call: (195) [user] s2t(_proof4, _242596)
   Call: (196) [system] compound(_proof4)
   Exit: (196) [system] compound(_proof4)
   Call: (196) [system] is_list(_proof4)
^  Call: (196) [user] s2tl(_proof4, _242596)
   Call: (197) [system] compound(_proof4)
   Exit: (197) [system] compound(_proof4)
^  Exit: (196) [user] s2tl(_proof4, _proof4)
^  Exit: (195) [user] s2t(_proof4, _proof4)
   Call: (195) [apply] apply:maplist_([_premise4], _242598, user:s2t)
^  Call: (196) [user] s2t(_premise4, _251866)
   Call: (197) [system] compound(_premise4)
   Exit: (197) [system] compound(_premise4)
   Call: (197) [system] is_list(_premise4)
^  Call: (197) [user] s2tl(_premise4, _251866)
   Call: (198) [system] compound(_premise4)
   Exit: (198) [system] compound(_premise4)
^  Exit: (197) [user] s2tl(_premise4, _premise4)
^  Exit: (196) [user] s2t(_premise4, _premise4)
   Call: (196) [apply] apply:maplist_([], _251868, user:s2t)
   Exit: (196) [apply] apply:maplist_([], [], user:s2t)
   Exit: (195) [apply] apply:maplist_([_premise4], [_premise4], user:s2t)
   Exit: (194) [apply] apply:maplist_([_proof4, _premise4], [_proof4, _premise4], user:s2t)
   Exit: (193) [apply] apply:maplist_([:, _proof4, _premise4], [:, _proof4, _premise4], user:s2t)
^  Exit: (192) [apply] apply:maplist(user:s2t, [:, _proof4, _premise4], [:, _proof4, _premise4])
   Call: (192) [system] compound_name_arguments(_227730, t, [:, _proof4, _premise4])
   Exit: (192) [system] compound_name_arguments(t(:, _proof4, _premise4), t, [:, _proof4, _premise4])
^  Exit: (191) [user] s2t([:, _proof4, _premise4], t(:, _proof4, _premise4))
   Call: (191) [apply] apply:maplist_([[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], _227732, user:s2t)
^  Call: (192) [user] s2t([synthesize, [:, _proof4, _premise4], _kb, _rb, _k], _269534)
   Call: (193) [system] compound([synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
   Exit: (193) [system] compound([synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
   Call: (193) [system] synthesize==(->)
   Call: (193) [system] synthesize=='Cons'
   Call: (193) [system] synthesize==(=)
   Call: (193) [system] is_list([synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
   Exit: (193) [system] is_list([synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
^  Call: (193) [user] apply:maplist(s2t, [synthesize, [:, _proof4, _premise4], _kb, _rb, _k], _276946)
   Call: (194) [apply] apply:maplist_([synthesize, [:, _proof4, _premise4], _kb, _rb, _k], _276946, user:s2t)
^  Call: (195) [user] s2t(synthesize, _278826)
   Call: (196) [system] compound(synthesize)
   Call: (196) [system] synthesize=_278826
   Exit: (196) [system] synthesize=synthesize
^  Exit: (195) [user] s2t(synthesize, synthesize)
   Call: (195) [apply] apply:maplist_([[:, _proof4, _premise4], _kb, _rb, _k], _278828, user:s2t)
^  Call: (196) [user] s2t([:, _proof4, _premise4], _284400)
   Call: (197) [system] compound([:, _proof4, _premise4])
   Exit: (197) [system] compound([:, _proof4, _premise4])
   Call: (197) [system] (:)==(->)
   Call: (197) [system] (:)=='Cons'
   Call: (197) [system] (:)==(=)
   Call: (197) [system] is_list([:, _proof4, _premise4])
   Exit: (197) [system] is_list([:, _proof4, _premise4])
^  Call: (197) [user] apply:maplist(s2t, [:, _proof4, _premise4], _291812)
   Call: (198) [apply] apply:maplist_([:, _proof4, _premise4], _291812, user:s2t)
^  Call: (199) [user] s2t(:, _293692)
   Call: (200) [system] compound(:)
   Call: (200) [system] (:)=_293692
   Exit: (200) [system] (:)=(:)
^  Exit: (199) [user] s2t(:, :)
   Call: (199) [apply] apply:maplist_([_proof4, _premise4], _293694, user:s2t)
^  Call: (200) [user] s2t(_proof4, _299266)
   Call: (201) [system] compound(_proof4)
   Exit: (201) [system] compound(_proof4)
   Call: (201) [system] is_list(_proof4)
^  Call: (201) [user] s2tl(_proof4, _299266)
   Call: (202) [system] compound(_proof4)
   Exit: (202) [system] compound(_proof4)
^  Exit: (201) [user] s2tl(_proof4, _proof4)
^  Exit: (200) [user] s2t(_proof4, _proof4)
   Call: (200) [apply] apply:maplist_([_premise4], _299268, user:s2t)
^  Call: (201) [user] s2t(_premise4, _308536)
   Call: (202) [system] compound(_premise4)
   Exit: (202) [system] compound(_premise4)
   Call: (202) [system] is_list(_premise4)
^  Call: (202) [user] s2tl(_premise4, _308536)
   Call: (203) [system] compound(_premise4)
   Exit: (203) [system] compound(_premise4)
^  Exit: (202) [user] s2tl(_premise4, _premise4)
^  Exit: (201) [user] s2t(_premise4, _premise4)
   Call: (201) [apply] apply:maplist_([], _308538, user:s2t)
   Exit: (201) [apply] apply:maplist_([], [], user:s2t)
   Exit: (200) [apply] apply:maplist_([_premise4], [_premise4], user:s2t)
   Exit: (199) [apply] apply:maplist_([_proof4, _premise4], [_proof4, _premise4], user:s2t)
   Exit: (198) [apply] apply:maplist_([:, _proof4, _premise4], [:, _proof4, _premise4], user:s2t)
^  Exit: (197) [apply] apply:maplist(user:s2t, [:, _proof4, _premise4], [:, _proof4, _premise4])
   Call: (197) [system] compound_name_arguments(_284400, t, [:, _proof4, _premise4])
   Exit: (197) [system] compound_name_arguments(t(:, _proof4, _premise4), t, [:, _proof4, _premise4])
^  Exit: (196) [user] s2t([:, _proof4, _premise4], t(:, _proof4, _premise4))
   Call: (196) [apply] apply:maplist_([_kb, _rb, _k], _284402, user:s2t)
^  Call: (197) [user] s2t(_kb, _326204)
   Call: (198) [system] compound(_kb)
   Exit: (198) [system] compound(_kb)
   Call: (198) [system] is_list(_kb)
^  Call: (198) [user] s2tl(_kb, _326204)
   Call: (199) [system] compound(_kb)
   Exit: (199) [system] compound(_kb)
^  Exit: (198) [user] s2tl(_kb, _kb)
^  Exit: (197) [user] s2t(_kb, _kb)
   Call: (197) [apply] apply:maplist_([_rb, _k], _326206, user:s2t)
^  Call: (198) [user] s2t(_rb, _335474)
   Call: (199) [system] compound(_rb)
   Exit: (199) [system] compound(_rb)
   Call: (199) [system] is_list(_rb)
^  Call: (199) [user] s2tl(_rb, _335474)
   Call: (200) [system] compound(_rb)
   Exit: (200) [system] compound(_rb)
^  Exit: (199) [user] s2tl(_rb, _rb)
^  Exit: (198) [user] s2t(_rb, _rb)
   Call: (198) [apply] apply:maplist_([_k], _335476, user:s2t)
^  Call: (199) [user] s2t(_k, _344744)
   Call: (200) [system] compound(_k)
   Exit: (200) [system] compound(_k)
   Call: (200) [system] is_list(_k)
^  Call: (200) [user] s2tl(_k, _344744)
   Call: (201) [system] compound(_k)
   Exit: (201) [system] compound(_k)
^  Exit: (200) [user] s2tl(_k, _k)
^  Exit: (199) [user] s2t(_k, _k)
   Call: (199) [apply] apply:maplist_([], _344746, user:s2t)
   Exit: (199) [apply] apply:maplist_([], [], user:s2t)
   Exit: (198) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (197) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (196) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (195) [apply] apply:maplist_([[:, _proof4, _premise4], _kb, _rb, _k], [t(:, _proof4, _premise4), _kb, _rb, _k], user:s2t)
   Exit: (194) [apply] apply:maplist_([synthesize, [:, _proof4, _premise4], _kb, _rb, _k], [synthesize, t(:, _proof4, _premise4), _kb, _rb, _k], user:s2t)
^  Exit: (193) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof4, _premise4], _kb, _rb, _k], [synthesize, t(:, _proof4, _premise4), _kb, _rb, _k])
   Call: (193) [system] compound_name_arguments(_269534, t, [synthesize, t(:, _proof4, _premise4), _kb, _rb, _k])
   Exit: (193) [system] compound_name_arguments(t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k), t, [synthesize, t(:, _proof4, _premise4), _kb, _rb, _k])
^  Exit: (192) [user] s2t([synthesize, [:, _proof4, _premise4], _kb, _rb, _k], t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))
   Call: (192) [apply] apply:maplist_([], _269536, user:s2t)
   Exit: (192) [apply] apply:maplist_([], [], user:s2t)
   Exit: (191) [apply] apply:maplist_([[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k)], user:s2t)
   Exit: (190) [apply] apply:maplist_([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k)], user:s2t)
^  Exit: (189) [apply] apply:maplist(user:s2t, [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k)])
   Call: (189) [system] compound_name_arguments(_218438, t, [t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k)])
   Exit: (189) [system] compound_name_arguments(t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k)), t, [t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k)])
^  Exit: (188) [user] s2t([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k)))
   Call: (188) [apply] apply:maplist_([], _218440, user:s2t)
   Exit: (188) [apply] apply:maplist_([], [], user:s2t)
   Exit: (187) [apply] apply:maplist_([[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], [t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))], user:s2t)
   Exit: (186) [apply] apply:maplist_([[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], [t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))], user:s2t)
   Exit: (185) [apply] apply:maplist_([[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], [t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))], user:s2t)
   Exit: (184) [apply] apply:maplist_([[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], [t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))], user:s2t)
   Exit: (183) [apply] apply:maplist_([[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], [t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))], user:s2t)
   Exit: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))], user:s2t)
^  Exit: (181) [apply] apply:maplist(user:s2t, [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))])
   Call: (181) [system] compound_name_arguments(_4092, t, [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))])
   Exit: (181) [system] compound_name_arguments(t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), t, [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))])
^  Exit: (180) [user] s2t([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))))
   Call: (180) [apply] apply:maplist_([_query], _4094, user:s2t)
^  Call: (181) [user] s2t(_query, _382944)
   Call: (182) [system] compound(_query)
   Exit: (182) [system] compound(_query)
   Call: (182) [system] is_list(_query)
^  Call: (182) [user] s2tl(_query, _382944)
   Call: (183) [system] compound(_query)
   Exit: (183) [system] compound(_query)
^  Exit: (182) [user] s2tl(_query, _query)
^  Exit: (181) [user] s2t(_query, _query)
   Call: (181) [apply] apply:maplist_([], _382946, user:s2t)
   Exit: (181) [apply] apply:maplist_([], [], user:s2t)
   Exit: (180) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], [t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query], user:s2t)
   Exit: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query], user:s2t)
^  Exit: (177) [apply] apply:maplist(user:s2t, ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query])
   Call: (177) [system] compound_name_arguments(_4072, t, ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query])
   Exit: (177) [system] compound_name_arguments(t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query), t, ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query])
^  Exit: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query))
^  Call: (176) [user] s2tl([], _4074)
   Call: (177) [system] compound([])
   Call: (177) [system] []=_4074
   Exit: (177) [system] []=[]
^  Exit: (176) [user] s2tl([], [])
^  Exit: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)])
^  Exit: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)])
^  Exit: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)])
^  Exit: (172) [user] s2t_iz(me_synthesize_1727481849_9551582, me_synthesize_1727481849_9551582, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)])
^  Call: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)], _408034)
   Call: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)])
   Exit: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)])
   Call: (173) [system] _408034=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)]
   Exit: (173) [system] [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)]=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)]
^  Exit: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)])
   Call: (172) [system] _413596=..[me_synthesize_1727481849_9551582, 155, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)]
   Exit: (172) [system] me_synthesize_1727481849_9551582(155, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query))=..[me_synthesize_1727481849_9551582, 155, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)]
^  Call: (172) [user] format((0x55772f06bcd0), "~q.~n", [me_synthesize_1727481849_9551582(155, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query))])
^  Exit: (172) [user] format((0x55772f06bcd0), "~q.~n", [me_synthesize_1727481849_9551582(155, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query))])
^  Exit: (171) [user] write_metta_datalog_term((0x55772f06bcd0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], me_synthesize_1727481849_9551582, 155)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727481871.3601146), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727481871.3601146), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]), 155]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 26, 26+1), write_metta_datalog_term((0x55772f06bcd0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], me_synthesize_1727481849_9551582, 155)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x55772f068e50))
   Fail: (169) [system] at_end_of_stream((0x55772f068e50))
^  Call: (169) [user] must_det_ll(line_count((0x55772f068e50), _3074))
^  Call: (170) [user] once(user:line_count((0x55772f068e50), _3074))
   Call: (171) [system] line_count((0x55772f068e50), _3074)
   Exit: (171) [system] line_count((0x55772f068e50), 159)
^  Exit: (170) [system] once(user:line_count((0x55772f068e50), 159))
^  Exit: (169) [user] must_det_ll(user:line_count((0x55772f068e50), 159))
^  Call: (169) [user] must_det_ll(read_sform((0x55772f068e50), _3084))
^  Call: (170) [user] once(user:read_sform((0x55772f068e50), _3084))
^  Call: (171) [user] read_sform((0x55772f068e50), _3084)
   Call: (172) [system] string((0x55772f068e50))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (173) [system] string((0x55772f068e50))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (174) [system] at_end_of_stream((0x55772f068e50))
   Call: (174) [system] peek_char((0x55772f068e50), _438788)
   Exit: (174) [system] peek_char((0x55772f068e50), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x55772f068e50), '\n')
   Exit: (174) [system] get_char((0x55772f068e50), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x55772f068e50), _3084)
   Call: (175) [system] at_end_of_stream((0x55772f068e50))
   Call: (175) [system] peek_char((0x55772f068e50), _446210)
   Exit: (175) [system] peek_char((0x55772f068e50), '\n')
   Call: (175) [system] char_type('\n', space)
   Exit: (175) [system] char_type('\n', space)
   Call: (175) [system] get_char((0x55772f068e50), '\n')
   Exit: (175) [system] get_char((0x55772f068e50), '\n')
^  Call: (175) [user] parse_sexpr_metta_IO((0x55772f068e50), _3084)
   Call: (176) [system] at_end_of_stream((0x55772f068e50))
   Call: (176) [system] peek_char((0x55772f068e50), _453632)
   Exit: (176) [system] peek_char((0x55772f068e50), ;)
   Call: (176) [system] char_type(;, space)
^  Call: (176) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
   Call: (177) [system] string((0x55772f068e50))
^  Exit: (176) [user] use_new_parse_sexpr_metta_IO((0x55772f068e50))
^  Call: (176) [user] new_parse_sexpr_metta_IO((0x55772f068e50), _3084)
^  Call: (177) [user] new_parse_sexpr_metta_IO1((0x55772f068e50), _3084)
   Call: (178) [system] at_end_of_stream((0x55772f068e50))
   Call: (178) [system] peek_char((0x55772f068e50), _461970)
   Exit: (178) [system] peek_char((0x55772f068e50), ;)
   Call: (178) [system] char_type(;, space)
   Call: (178) [system] _464756=(0x55772f068e50)
   Exit: (178) [system] (0x55772f068e50)=(0x55772f068e50)
^  Call: (178) [user] once((read_position((0x55772f068e50), _466624, _466626, _466628, _466630), read_sexpr((0x55772f068e50), _466642), assertz(metta_file_comment(_466624, _466626, _466628, _466642, _466630))))
^  Call: (180) [user] read_position((0x55772f068e50), _466624, _466626, _466628, _466630)
   Call: (181) [system] stream_property((0x55772f068e50), position(_466630))
   Call: (182) [system] nonvar((0x55772f068e50))
   Exit: (182) [system] nonvar((0x55772f068e50))
   Call: (182) [system] nonvar(position(_466630))
   Exit: (182) [system] nonvar(position(_466630))
   Exit: (181) [system] stream_property((0x55772f068e50), position('$stream_position'(7818, 161, 0, 7818)))
   Call: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(7818, 161, 0, 7818), _466624)
   Call: (182) [system] nonvar(line_count)
   Exit: (182) [system] nonvar(line_count)
   Call: (182) [$syspreds] stream_position_field(line_count, _476882)
   Exit: (182) [$syspreds] stream_position_field(line_count, 2)
   Call: (182) [system] arg(2, '$stream_position'(7818, 161, 0, 7818), _466624)
   Exit: (182) [system] arg(2, '$stream_position'(7818, 161, 0, 7818), 161)
   Exit: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(7818, 161, 0, 7818), 161)
   Call: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(7818, 161, 0, 7818), _466626)
   Call: (182) [system] nonvar(line_position)
   Exit: (182) [system] nonvar(line_position)
   Call: (182) [$syspreds] stream_position_field(line_position, _484316)
   Exit: (182) [$syspreds] stream_position_field(line_position, 3)
   Call: (182) [system] arg(3, '$stream_position'(7818, 161, 0, 7818), _466626)
   Exit: (182) [system] arg(3, '$stream_position'(7818, 161, 0, 7818), 0)
   Exit: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(7818, 161, 0, 7818), 0)
   Call: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(7818, 161, 0, 7818), _466628)
   Call: (182) [system] nonvar(char_count)
   Exit: (182) [system] nonvar(char_count)
   Call: (182) [$syspreds] stream_position_field(char_count, _491750)
   Exit: (182) [$syspreds] stream_position_field(char_count, 1)
   Call: (182) [system] arg(1, '$stream_position'(7818, 161, 0, 7818), _466628)
   Exit: (182) [system] arg(1, '$stream_position'(7818, 161, 0, 7818), 7818)
   Exit: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(7818, 161, 0, 7818), 7818)
^  Exit: (180) [user] read_position((0x55772f068e50), 161, 0, 7818, '$stream_position'(7818, 161, 0, 7818))
^  Call: (180) [user] read_sexpr((0x55772f068e50), _466642)
   Call: (181) [system] string((0x55772f068e50))
   Fail: (181) [system] string((0x55772f068e50))
^  Call: (181) [user] cont_sexpr(')', (0x55772f068e50), _466642)
^  Call: (182) [user] skip_spaces((0x55772f068e50))
   Call: (183) [system] peek_char((0x55772f068e50), _501976)
   Exit: (183) [system] peek_char((0x55772f068e50), ;)
   Call: (183) [system] (;)=(;)
   Exit: (183) [system] (;)=(;)
^  Call: (183) [user] read_single_line_comment((0x55772f068e50))
^  Call: (184) [user] read_position((0x55772f068e50), _506614, _506616, _506618, _506620)
   Call: (185) [system] stream_property((0x55772f068e50), position(_506620))
   Call: (186) [system] nonvar((0x55772f068e50))
   Exit: (186) [system] nonvar((0x55772f068e50))
   Call: (186) [system] nonvar(position(_506620))
   Exit: (186) [system] nonvar(position(_506620))
   Exit: (185) [system] stream_property((0x55772f068e50), position('$stream_position'(7818, 161, 0, 7818)))
   Call: (185) [$syspreds] stream_position_data(line_count, '$stream_position'(7818, 161, 0, 7818), _506614)
   Call: (186) [system] nonvar(line_count)
   Exit: (186) [system] nonvar(line_count)
   Call: (186) [$syspreds] stream_position_field(line_count, _515908)
   Exit: (186) [$syspreds] stream_position_field(line_count, 2)
   Call: (186) [system] arg(2, '$stream_position'(7818, 161, 0, 7818), _506614)
   Exit: (186) [system] arg(2, '$stream_position'(7818, 161, 0, 7818), 161)
   Exit: (185) [$syspreds] stream_position_data(line_count, '$stream_position'(7818, 161, 0, 7818), 161)
   Call: (185) [$syspreds] stream_position_data(line_position, '$stream_position'(7818, 161, 0, 7818), _506616)
   Call: (186) [system] nonvar(line_position)
   Exit: (186) [system] nonvar(line_position)
   Call: (186) [$syspreds] stream_position_field(line_position, _523342)
   Exit: (186) [$syspreds] stream_position_field(line_position, 3)
   Call: (186) [system] arg(3, '$stream_position'(7818, 161, 0, 7818), _506616)
   Exit: (186) [system] arg(3, '$stream_position'(7818, 161, 0, 7818), 0)
   Exit: (185) [$syspreds] stream_position_data(line_position, '$stream_position'(7818, 161, 0, 7818), 0)
   Call: (185) [$syspreds] stream_position_data(char_count, '$stream_position'(7818, 161, 0, 7818), _506618)
   Call: (186) [system] nonvar(char_count)
   Exit: (186) [system] nonvar(char_count)
   Call: (186) [$syspreds] stream_position_field(char_count, _530776)
   Exit: (186) [$syspreds] stream_position_field(char_count, 1)
   Call: (186) [system] arg(1, '$stream_position'(7818, 161, 0, 7818), _506618)
   Exit: (186) [system] arg(1, '$stream_position'(7818, 161, 0, 7818), 7818)
   Exit: (185) [$syspreds] stream_position_data(char_count, '$stream_position'(7818, 161, 0, 7818), 7818)
^  Exit: (184) [user] read_position((0x55772f068e50), 161, 0, 7818, '$stream_position'(7818, 161, 0, 7818))
   Call: (184) [read_util] read_util:read_line_to_string((0x55772f068e50), _536370)
   Call: (185) [system] read_string((0x55772f068e50), '\n', '\r', _537300, _537302)
   Exit: (185) [system] read_string((0x55772f068e50), '\n', '\r', 10, ";; Here to inspire mettalogs large file loading")
   Call: (185) [system] 10\== -1
   Exit: (185) [system] 10\== -1
   Call: (185) [system] _536370=";; Here to inspire mettalogs large file loading"
   Exit: (185) [system] ";; Here to inspire mettalogs large file loading"=";; Here to inspire mettalogs large file loading"
   Exit: (184) [read_util] read_util:read_line_to_string((0x55772f068e50), ";; Here to inspire mettalogs large file loading")
^  Call: (184) [user] assertz(metta_file_comment(161, 0, 7818, '$COMMENT'(";; Here to inspire mettalogs large file loading", 161, 0), '$stream_position'(7818, 161, 0, 7818)))
^  Exit: (184) [user] assertz(metta_file_comment(161, 0, 7818, '$COMMENT'(";; Here to inspire mettalogs large file loading", 161, 0), '$stream_position'(7818, 161, 0, 7818)))
^  Exit: (183) [user] read_single_line_comment((0x55772f068e50))
^  Call: (183) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] peek_char((0x55772f068e50), _547570)
   Exit: (184) [system] peek_char((0x55772f068e50), !)
   Call: (184) [system] !=(;)
   Fail: (184) [system] !=(;)
   Call: (184) [system] !=(/)
   Fail: (184) [system] !=(/)
^  Call: (184) [user] is_like_space(!)
   Call: (185) [system] char_type(!, 'white')
   Fail: (185) [system] char_type(!, 'white')
   Call: (185) [system] char_type(!, end_of_line)
   Fail: (185) [system] char_type(!, end_of_line)
   Call: (185) [system] char_type(!, space)
   Fail: (185) [system] char_type(!, space)
   Call: (185) [system] char_type(!, cntrl)
   Fail: (185) [system] char_type(!, cntrl)
^  Fail: (184) [user] is_like_space(!)
^  Exit: (183) [user] skip_spaces((0x55772f068e50))
^  Exit: (182) [user] skip_spaces((0x55772f068e50))
   Call: (182) [system] get_char((0x55772f068e50), _564504)
   Exit: (182) [system] get_char((0x55772f068e50), !)
   Call: (182) [system] !='('
   Fail: (182) [system] !='('
   Call: (182) [system] !='['
   Fail: (182) [system] !='['
   Call: (182) [system] !='{'
   Fail: (182) [system] !='{'
   Call: (182) [system] !='"'
   Fail: (182) [system] !='"'
   Call: (182) [system] !=!
   Exit: (182) [system] !=!
^  Call: (182) [user] read_sexpr((0x55772f068e50), _575642)
   Call: (183) [system] string((0x55772f068e50))
   Fail: (183) [system] string((0x55772f068e50))
^  Call: (183) [user] cont_sexpr(')', (0x55772f068e50), _575642)
^  Call: (184) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _580276)
   Exit: (185) [system] peek_char((0x55772f068e50), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x55772f068e50))
   Call: (184) [system] get_char((0x55772f068e50), _596286)
   Exit: (184) [system] get_char((0x55772f068e50), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x55772f068e50), _575642)
^  Call: (185) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _601856)
   Exit: (186) [system] peek_char((0x55772f068e50), n)
   Call: (186) [system] n=(;)
   Fail: (186) [system] n=(;)
   Call: (186) [system] n=(/)
   Fail: (186) [system] n=(/)
^  Call: (186) [user] is_like_space(n)
   Call: (187) [system] char_type(n, 'white')
   Fail: (187) [system] char_type(n, 'white')
   Call: (187) [system] char_type(n, end_of_line)
   Fail: (187) [system] char_type(n, end_of_line)
   Call: (187) [system] char_type(n, space)
   Fail: (187) [system] char_type(n, space)
   Call: (187) [system] char_type(n, cntrl)
   Fail: (187) [system] char_type(n, cntrl)
^  Fail: (186) [user] is_like_space(n)
^  Exit: (185) [user] skip_spaces((0x55772f068e50))
   Call: (185) [system] peek_char((0x55772f068e50), _617866)
   Exit: (185) [system] peek_char((0x55772f068e50), n)
   Call: (185) [system] n=')'
   Fail: (185) [system] n=')'
   Call: (185) [system] n=end_of_file
   Fail: (185) [system] n=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x55772f068e50), _623436)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _625294)
   Exit: (187) [system] peek_char((0x55772f068e50), n)
   Call: (187) [system] n=(;)
   Fail: (187) [system] n=(;)
   Call: (187) [system] n=(/)
   Fail: (187) [system] n=(/)
^  Call: (187) [user] is_like_space(n)
   Call: (188) [system] char_type(n, 'white')
   Fail: (188) [system] char_type(n, 'white')
   Call: (188) [system] char_type(n, end_of_line)
   Fail: (188) [system] char_type(n, end_of_line)
   Call: (188) [system] char_type(n, space)
   Fail: (188) [system] char_type(n, space)
   Call: (188) [system] char_type(n, cntrl)
   Fail: (188) [system] char_type(n, cntrl)
^  Fail: (187) [user] is_like_space(n)
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] get_char((0x55772f068e50), _641304)
   Exit: (186) [system] get_char((0x55772f068e50), n)
   Call: (186) [system] n='('
   Fail: (186) [system] n='('
   Call: (186) [system] n='['
   Fail: (186) [system] n='['
   Call: (186) [system] n='{'
   Fail: (186) [system] n='{'
   Call: (186) [system] n='"'
   Fail: (186) [system] n='"'
   Call: (186) [system] n=!
   Fail: (186) [system] n=!
   Call: (186) [system] n='\''
   Fail: (186) [system] n='\''
   Call: (186) [system] n='`'
   Fail: (186) [system] n='`'
   Call: (186) [system] n=end_of_file
   Fail: (186) [system] n=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x55772f068e50), n, _623436)
^  Call: (187) [user] read_symbolic_cont(')', (0x55772f068e50), _658946)
   Call: (188) [system] peek_char((0x55772f068e50), _659880)
   Exit: (188) [system] peek_char((0x55772f068e50), o)
^  Call: (188) [user] is_delimiter(o)
   Call: (189) [system] char_type(o, space)
   Fail: (189) [system] char_type(o, space)
   Call: (189) [system] arg(_664600, v('(', ')', end_of_file), o)
   Fail: (189) [system] arg(_665532, v('(', ')', end_of_file), o)
^  Fail: (188) [user] is_delimiter(o)
   Call: (188) [system] ')'==o
   Fail: (188) [system] ')'==o
   Call: (188) [system] get_char((0x55772f068e50), o)
   Exit: (188) [system] get_char((0x55772f068e50), o)
   Call: (188) [system] o=(\)
   Fail: (188) [system] o=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x55772f068e50), _672882)
   Call: (189) [system] peek_char((0x55772f068e50), _673816)
   Exit: (189) [system] peek_char((0x55772f068e50), p)
^  Call: (189) [user] is_delimiter(p)
   Call: (190) [system] char_type(p, space)
   Fail: (190) [system] char_type(p, space)
   Call: (190) [system] arg(_678536, v('(', ')', end_of_file), p)
   Fail: (190) [system] arg(_679468, v('(', ')', end_of_file), p)
^  Fail: (189) [user] is_delimiter(p)
   Call: (189) [system] ')'==p
   Fail: (189) [system] ')'==p
   Call: (189) [system] get_char((0x55772f068e50), p)
   Exit: (189) [system] get_char((0x55772f068e50), p)
   Call: (189) [system] p=(\)
   Fail: (189) [system] p=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x55772f068e50), _686818)
   Call: (190) [system] peek_char((0x55772f068e50), _687752)
   Exit: (190) [system] peek_char((0x55772f068e50), ' ')
^  Call: (190) [user] is_delimiter(' ')
   Call: (191) [system] char_type(' ', space)
   Exit: (191) [system] char_type(' ', space)
^  Exit: (190) [user] is_delimiter(' ')
   Call: (190) [system] _686818=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (189) [system] _672882=[p]
   Exit: (189) [system] [p]=[p]
^  Exit: (188) [user] read_symbolic_cont(')', (0x55772f068e50), [p])
   Call: (188) [system] _658946=[o, p]
   Exit: (188) [system] [o, p]=[o, p]
^  Exit: (187) [user] read_symbolic_cont(')', (0x55772f068e50), [o, p])
^  Call: (187) [user] classify_and_convert_charseq([n, o, p], _623436)
^  Call: (188) [user] classify_and_convert_charseq_([n, o, p], _702624)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_703576, _703578), once(user:catch(read_from_chars([n, o, p], _702624), _703558, fail)), '$restore_trace'(_703576, _703578))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_703576, _703578))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([n, o, p], nop), _703558, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(nop)
   Exit: (189) [system] atomic(nop)
^  Exit: (188) [user] classify_and_convert_charseq_([n, o, p], nop)
   Call: (188) [system] integer(nop)
   Fail: (188) [system] integer(nop)
   Call: (188) [system] _623436=nop
   Exit: (188) [system] nop=nop
^  Exit: (187) [user] classify_and_convert_charseq([n, o, p], nop)
^  Exit: (186) [user] read_symbolic(')', (0x55772f068e50), n, nop)
^  Exit: (185) [user] cont_sexpr(')', (0x55772f068e50), nop)
^  Call: (185) [user] read_list(')', (0x55772f068e50), _715704)
^  Call: (186) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] peek_char((0x55772f068e50), _717562)
   Exit: (187) [system] peek_char((0x55772f068e50), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x55772f068e50), _727156)
   Exit: (187) [system] get_char((0x55772f068e50), ' ')
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _729860)
   Exit: (188) [system] peek_char((0x55772f068e50), '(')
   Call: (188) [system] '('=(;)
   Fail: (188) [system] '('=(;)
   Call: (188) [system] '('=(/)
   Fail: (188) [system] '('=(/)
^  Call: (188) [user] is_like_space('(')
   Call: (189) [system] char_type('(', 'white')
   Fail: (189) [system] char_type('(', 'white')
   Call: (189) [system] char_type('(', end_of_line)
   Fail: (189) [system] char_type('(', end_of_line)
   Call: (189) [system] char_type('(', space)
   Fail: (189) [system] char_type('(', space)
   Call: (189) [system] char_type('(', cntrl)
   Fail: (189) [system] char_type('(', cntrl)
^  Fail: (188) [user] is_like_space('(')
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
^  Exit: (186) [user] skip_spaces((0x55772f068e50))
   Call: (186) [system] peek_char((0x55772f068e50), _746794)
   Exit: (186) [system] peek_char((0x55772f068e50), '(')
   Call: (186) [system] '('=')'
   Fail: (186) [system] '('=')'
   Call: (186) [system] '('=end_of_file
   Fail: (186) [system] '('=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x55772f068e50), _752364)
^  Call: (187) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _754222)
   Exit: (188) [system] peek_char((0x55772f068e50), '(')
   Call: (188) [system] '('=(;)
   Fail: (188) [system] '('=(;)
   Call: (188) [system] '('=(/)
   Fail: (188) [system] '('=(/)
^  Call: (188) [user] is_like_space('(')
   Call: (189) [system] char_type('(', 'white')
   Fail: (189) [system] char_type('(', 'white')
   Call: (189) [system] char_type('(', end_of_line)
   Fail: (189) [system] char_type('(', end_of_line)
   Call: (189) [system] char_type('(', space)
   Fail: (189) [system] char_type('(', space)
   Call: (189) [system] char_type('(', cntrl)
   Fail: (189) [system] char_type('(', cntrl)
^  Fail: (188) [user] is_like_space('(')
^  Exit: (187) [user] skip_spaces((0x55772f068e50))
   Call: (187) [system] get_char((0x55772f068e50), _770232)
   Exit: (187) [system] get_char((0x55772f068e50), '(')
   Call: (187) [system] '('='('
   Exit: (187) [system] '('='('
^  Call: (187) [user] read_list(')', (0x55772f068e50), _752364)
^  Call: (188) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _775802)
   Exit: (189) [system] peek_char((0x55772f068e50), q)
   Call: (189) [system] q=(;)
   Fail: (189) [system] q=(;)
   Call: (189) [system] q=(/)
   Fail: (189) [system] q=(/)
^  Call: (189) [user] is_like_space(q)
   Call: (190) [system] char_type(q, 'white')
   Fail: (190) [system] char_type(q, 'white')
   Call: (190) [system] char_type(q, end_of_line)
   Fail: (190) [system] char_type(q, end_of_line)
   Call: (190) [system] char_type(q, space)
   Fail: (190) [system] char_type(q, space)
   Call: (190) [system] char_type(q, cntrl)
   Fail: (190) [system] char_type(q, cntrl)
^  Fail: (189) [user] is_like_space(q)
^  Exit: (188) [user] skip_spaces((0x55772f068e50))
   Call: (188) [system] peek_char((0x55772f068e50), _791812)
   Exit: (188) [system] peek_char((0x55772f068e50), q)
   Call: (188) [system] q=')'
   Fail: (188) [system] q=')'
   Call: (188) [system] q=end_of_file
   Fail: (188) [system] q=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x55772f068e50), _797382)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _799240)
   Exit: (190) [system] peek_char((0x55772f068e50), q)
   Call: (190) [system] q=(;)
   Fail: (190) [system] q=(;)
   Call: (190) [system] q=(/)
   Fail: (190) [system] q=(/)
^  Call: (190) [user] is_like_space(q)
   Call: (191) [system] char_type(q, 'white')
   Fail: (191) [system] char_type(q, 'white')
   Call: (191) [system] char_type(q, end_of_line)
   Fail: (191) [system] char_type(q, end_of_line)
   Call: (191) [system] char_type(q, space)
   Fail: (191) [system] char_type(q, space)
   Call: (191) [system] char_type(q, cntrl)
   Fail: (191) [system] char_type(q, cntrl)
^  Fail: (190) [user] is_like_space(q)
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] get_char((0x55772f068e50), _815250)
   Exit: (189) [system] get_char((0x55772f068e50), q)
   Call: (189) [system] q='('
   Fail: (189) [system] q='('
   Call: (189) [system] q='['
   Fail: (189) [system] q='['
   Call: (189) [system] q='{'
   Fail: (189) [system] q='{'
   Call: (189) [system] q='"'
   Fail: (189) [system] q='"'
   Call: (189) [system] q=!
   Fail: (189) [system] q=!
   Call: (189) [system] q='\''
   Fail: (189) [system] q='\''
   Call: (189) [system] q='`'
   Fail: (189) [system] q='`'
   Call: (189) [system] q=end_of_file
   Fail: (189) [system] q=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x55772f068e50), q, _797382)
^  Call: (190) [user] read_symbolic_cont(')', (0x55772f068e50), _832892)
   Call: (191) [system] peek_char((0x55772f068e50), _833826)
   Exit: (191) [system] peek_char((0x55772f068e50), u)
^  Call: (191) [user] is_delimiter(u)
   Call: (192) [system] char_type(u, space)
   Fail: (192) [system] char_type(u, space)
   Call: (192) [system] arg(_838546, v('(', ')', end_of_file), u)
   Fail: (192) [system] arg(_839478, v('(', ')', end_of_file), u)
^  Fail: (191) [user] is_delimiter(u)
   Call: (191) [system] ')'==u
   Fail: (191) [system] ')'==u
   Call: (191) [system] get_char((0x55772f068e50), u)
   Exit: (191) [system] get_char((0x55772f068e50), u)
   Call: (191) [system] u=(\)
   Fail: (191) [system] u=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x55772f068e50), _846828)
   Call: (192) [system] peek_char((0x55772f068e50), _847762)
   Exit: (192) [system] peek_char((0x55772f068e50), o)
^  Call: (192) [user] is_delimiter(o)
   Call: (193) [system] char_type(o, space)
   Fail: (193) [system] char_type(o, space)
   Call: (193) [system] arg(_852482, v('(', ')', end_of_file), o)
   Fail: (193) [system] arg(_853414, v('(', ')', end_of_file), o)
^  Fail: (192) [user] is_delimiter(o)
   Call: (192) [system] ')'==o
   Fail: (192) [system] ')'==o
   Call: (192) [system] get_char((0x55772f068e50), o)
   Exit: (192) [system] get_char((0x55772f068e50), o)
   Call: (192) [system] o=(\)
   Fail: (192) [system] o=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x55772f068e50), _860764)
   Call: (193) [system] peek_char((0x55772f068e50), _861698)
   Exit: (193) [system] peek_char((0x55772f068e50), t)
^  Call: (193) [user] is_delimiter(t)
   Call: (194) [system] char_type(t, space)
   Fail: (194) [system] char_type(t, space)
   Call: (194) [system] arg(_866418, v('(', ')', end_of_file), t)
   Fail: (194) [system] arg(_867350, v('(', ')', end_of_file), t)
^  Fail: (193) [user] is_delimiter(t)
   Call: (193) [system] ')'==t
   Fail: (193) [system] ')'==t
   Call: (193) [system] get_char((0x55772f068e50), t)
   Exit: (193) [system] get_char((0x55772f068e50), t)
   Call: (193) [system] t=(\)
   Fail: (193) [system] t=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _874700)
   Call: (194) [system] peek_char((0x55772f068e50), _875634)
   Exit: (194) [system] peek_char((0x55772f068e50), e)
^  Call: (194) [user] is_delimiter(e)
   Call: (195) [system] char_type(e, space)
   Fail: (195) [system] char_type(e, space)
   Call: (195) [system] arg(_880354, v('(', ')', end_of_file), e)
   Fail: (195) [system] arg(_881286, v('(', ')', end_of_file), e)
^  Fail: (194) [user] is_delimiter(e)
   Call: (194) [system] ')'==e
   Fail: (194) [system] ')'==e
   Call: (194) [system] get_char((0x55772f068e50), e)
   Exit: (194) [system] get_char((0x55772f068e50), e)
   Call: (194) [system] e=(\)
   Fail: (194) [system] e=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _888636)
   Call: (195) [system] peek_char((0x55772f068e50), _889570)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _888636=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (194) [system] _874700=[e]
   Exit: (194) [system] [e]=[e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (193) [system] _860764=[t, e]
   Exit: (193) [system] [t, e]=[t, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x55772f068e50), [t, e])
   Call: (192) [system] _846828=[o, t, e]
   Exit: (192) [system] [o, t, e]=[o, t, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x55772f068e50), [o, t, e])
   Call: (191) [system] _832892=[u, o, t, e]
   Exit: (191) [system] [u, o, t, e]=[u, o, t, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x55772f068e50), [u, o, t, e])
^  Call: (190) [user] classify_and_convert_charseq([q, u, o, t, e], _797382)
^  Call: (191) [user] classify_and_convert_charseq_([q, u, o, t, e], _910030)
^  Call: (193) [system] setup_call_cleanup('$notrace'(_910982, _910984), once(user:catch(read_from_chars([q, u, o, t, e], _910030), _910964, fail)), '$restore_trace'(_910982, _910984))
^  Call: (194) [system] sig_atomic(system:'$notrace'(_910982, _910984))
^  Exit: (193) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([q, u, o, t, e], quote), _910964, fail)), system:'$restore_trace'(3, -1))
   Call: (192) [system] atomic(quote)
   Exit: (192) [system] atomic(quote)
^  Exit: (191) [user] classify_and_convert_charseq_([q, u, o, t, e], quote)
   Call: (191) [system] integer(quote)
   Fail: (191) [system] integer(quote)
   Call: (191) [system] _797382=quote
   Exit: (191) [system] quote=quote
^  Exit: (190) [user] classify_and_convert_charseq([q, u, o, t, e], quote)
^  Exit: (189) [user] read_symbolic(')', (0x55772f068e50), q, quote)
^  Exit: (188) [user] cont_sexpr(')', (0x55772f068e50), quote)
^  Call: (188) [user] read_list(')', (0x55772f068e50), _923110)
^  Call: (189) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] peek_char((0x55772f068e50), _924968)
   Exit: (190) [system] peek_char((0x55772f068e50), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x55772f068e50), _934562)
   Exit: (190) [system] get_char((0x55772f068e50), ' ')
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _937266)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
^  Exit: (189) [user] skip_spaces((0x55772f068e50))
   Call: (189) [system] peek_char((0x55772f068e50), _954200)
   Exit: (189) [system] peek_char((0x55772f068e50), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x55772f068e50), _959770)
^  Call: (190) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _961628)
   Exit: (191) [system] peek_char((0x55772f068e50), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x55772f068e50))
   Call: (190) [system] get_char((0x55772f068e50), _977638)
   Exit: (190) [system] get_char((0x55772f068e50), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x55772f068e50), _959770)
^  Call: (191) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _983208)
   Exit: (192) [system] peek_char((0x55772f068e50), a)
   Call: (192) [system] a=(;)
   Fail: (192) [system] a=(;)
   Call: (192) [system] a=(/)
   Fail: (192) [system] a=(/)
^  Call: (192) [user] is_like_space(a)
   Call: (193) [system] char_type(a, 'white')
   Fail: (193) [system] char_type(a, 'white')
   Call: (193) [system] char_type(a, end_of_line)
   Fail: (193) [system] char_type(a, end_of_line)
   Call: (193) [system] char_type(a, space)
   Fail: (193) [system] char_type(a, space)
   Call: (193) [system] char_type(a, cntrl)
   Fail: (193) [system] char_type(a, cntrl)
^  Fail: (192) [user] is_like_space(a)
^  Exit: (191) [user] skip_spaces((0x55772f068e50))
   Call: (191) [system] peek_char((0x55772f068e50), _999218)
   Exit: (191) [system] peek_char((0x55772f068e50), a)
   Call: (191) [system] a=')'
   Fail: (191) [system] a=')'
   Call: (191) [system] a=end_of_file
   Fail: (191) [system] a=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x55772f068e50), _1004788)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1006646)
   Exit: (193) [system] peek_char((0x55772f068e50), a)
   Call: (193) [system] a=(;)
   Fail: (193) [system] a=(;)
   Call: (193) [system] a=(/)
   Fail: (193) [system] a=(/)
^  Call: (193) [user] is_like_space(a)
   Call: (194) [system] char_type(a, 'white')
   Fail: (194) [system] char_type(a, 'white')
   Call: (194) [system] char_type(a, end_of_line)
   Fail: (194) [system] char_type(a, end_of_line)
   Call: (194) [system] char_type(a, space)
   Fail: (194) [system] char_type(a, space)
   Call: (194) [system] char_type(a, cntrl)
   Fail: (194) [system] char_type(a, cntrl)
^  Fail: (193) [user] is_like_space(a)
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] get_char((0x55772f068e50), _1022656)
   Exit: (192) [system] get_char((0x55772f068e50), a)
   Call: (192) [system] a='('
   Fail: (192) [system] a='('
   Call: (192) [system] a='['
   Fail: (192) [system] a='['
   Call: (192) [system] a='{'
   Fail: (192) [system] a='{'
   Call: (192) [system] a='"'
   Fail: (192) [system] a='"'
   Call: (192) [system] a=!
   Fail: (192) [system] a=!
   Call: (192) [system] a='\''
   Fail: (192) [system] a='\''
   Call: (192) [system] a='`'
   Fail: (192) [system] a='`'
   Call: (192) [system] a=end_of_file
   Fail: (192) [system] a=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x55772f068e50), a, _1004788)
^  Call: (193) [user] read_symbolic_cont(')', (0x55772f068e50), _1040298)
   Call: (194) [system] peek_char((0x55772f068e50), _1041232)
   Exit: (194) [system] peek_char((0x55772f068e50), s)
^  Call: (194) [user] is_delimiter(s)
   Call: (195) [system] char_type(s, space)
   Fail: (195) [system] char_type(s, space)
   Call: (195) [system] arg(_1045952, v('(', ')', end_of_file), s)
   Fail: (195) [system] arg(_1046884, v('(', ')', end_of_file), s)
^  Fail: (194) [user] is_delimiter(s)
   Call: (194) [system] ')'==s
   Fail: (194) [system] ')'==s
   Call: (194) [system] get_char((0x55772f068e50), s)
   Exit: (194) [system] get_char((0x55772f068e50), s)
   Call: (194) [system] s=(\)
   Fail: (194) [system] s=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x55772f068e50), _1054234)
   Call: (195) [system] peek_char((0x55772f068e50), _1055168)
   Exit: (195) [system] peek_char((0x55772f068e50), s)
^  Call: (195) [user] is_delimiter(s)
   Call: (196) [system] char_type(s, space)
   Fail: (196) [system] char_type(s, space)
   Call: (196) [system] arg(_1059888, v('(', ')', end_of_file), s)
   Fail: (196) [system] arg(_1060820, v('(', ')', end_of_file), s)
^  Fail: (195) [user] is_delimiter(s)
   Call: (195) [system] ')'==s
   Fail: (195) [system] ')'==s
   Call: (195) [system] get_char((0x55772f068e50), s)
   Exit: (195) [system] get_char((0x55772f068e50), s)
   Call: (195) [system] s=(\)
   Fail: (195) [system] s=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x55772f068e50), _1068170)
   Call: (196) [system] peek_char((0x55772f068e50), _1069104)
   Exit: (196) [system] peek_char((0x55772f068e50), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Fail: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_1073824, v('(', ')', end_of_file), e)
   Fail: (197) [system] arg(_1074756, v('(', ')', end_of_file), e)
^  Fail: (196) [user] is_delimiter(e)
   Call: (196) [system] ')'==e
   Fail: (196) [system] ')'==e
   Call: (196) [system] get_char((0x55772f068e50), e)
   Exit: (196) [system] get_char((0x55772f068e50), e)
   Call: (196) [system] e=(\)
   Fail: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1082106)
   Call: (197) [system] peek_char((0x55772f068e50), _1083040)
   Exit: (197) [system] peek_char((0x55772f068e50), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_1087760, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_1088692, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x55772f068e50), r)
   Exit: (197) [system] get_char((0x55772f068e50), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1096042)
   Call: (198) [system] peek_char((0x55772f068e50), _1096976)
   Exit: (198) [system] peek_char((0x55772f068e50), t)
^  Call: (198) [user] is_delimiter(t)
   Call: (199) [system] char_type(t, space)
   Fail: (199) [system] char_type(t, space)
   Call: (199) [system] arg(_1101696, v('(', ')', end_of_file), t)
   Fail: (199) [system] arg(_1102628, v('(', ')', end_of_file), t)
^  Fail: (198) [user] is_delimiter(t)
   Call: (198) [system] ')'==t
   Fail: (198) [system] ')'==t
   Call: (198) [system] get_char((0x55772f068e50), t)
   Exit: (198) [system] get_char((0x55772f068e50), t)
   Call: (198) [system] t=(\)
   Fail: (198) [system] t=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1109978)
   Call: (199) [system] peek_char((0x55772f068e50), _1110912)
   Exit: (199) [system] peek_char((0x55772f068e50), 'E')
^  Call: (199) [user] is_delimiter('E')
   Call: (200) [system] char_type('E', space)
   Fail: (200) [system] char_type('E', space)
   Call: (200) [system] arg(_1115632, v('(', ')', end_of_file), 'E')
   Fail: (200) [system] arg(_1116564, v('(', ')', end_of_file), 'E')
^  Fail: (199) [user] is_delimiter('E')
   Call: (199) [system] ')'=='E'
   Fail: (199) [system] ')'=='E'
   Call: (199) [system] get_char((0x55772f068e50), 'E')
   Exit: (199) [system] get_char((0x55772f068e50), 'E')
   Call: (199) [system] 'E'=(\)
   Fail: (199) [system] 'E'=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1123914)
   Call: (200) [system] peek_char((0x55772f068e50), _1124848)
   Exit: (200) [system] peek_char((0x55772f068e50), q)
^  Call: (200) [user] is_delimiter(q)
   Call: (201) [system] char_type(q, space)
   Fail: (201) [system] char_type(q, space)
   Call: (201) [system] arg(_1129568, v('(', ')', end_of_file), q)
   Fail: (201) [system] arg(_1130500, v('(', ')', end_of_file), q)
^  Fail: (200) [user] is_delimiter(q)
   Call: (200) [system] ')'==q
   Fail: (200) [system] ')'==q
   Call: (200) [system] get_char((0x55772f068e50), q)
   Exit: (200) [system] get_char((0x55772f068e50), q)
   Call: (200) [system] q=(\)
   Fail: (200) [system] q=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1137850)
   Call: (201) [system] peek_char((0x55772f068e50), _1138784)
   Exit: (201) [system] peek_char((0x55772f068e50), u)
^  Call: (201) [user] is_delimiter(u)
   Call: (202) [system] char_type(u, space)
   Fail: (202) [system] char_type(u, space)
   Call: (202) [system] arg(_1143504, v('(', ')', end_of_file), u)
   Fail: (202) [system] arg(_1144436, v('(', ')', end_of_file), u)
^  Fail: (201) [user] is_delimiter(u)
   Call: (201) [system] ')'==u
   Fail: (201) [system] ')'==u
   Call: (201) [system] get_char((0x55772f068e50), u)
   Exit: (201) [system] get_char((0x55772f068e50), u)
   Call: (201) [system] u=(\)
   Fail: (201) [system] u=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1151786)
   Call: (202) [system] peek_char((0x55772f068e50), _1152720)
   Exit: (202) [system] peek_char((0x55772f068e50), a)
^  Call: (202) [user] is_delimiter(a)
   Call: (203) [system] char_type(a, space)
   Fail: (203) [system] char_type(a, space)
   Call: (203) [system] arg(_1157440, v('(', ')', end_of_file), a)
   Fail: (203) [system] arg(_1158372, v('(', ')', end_of_file), a)
^  Fail: (202) [user] is_delimiter(a)
   Call: (202) [system] ')'==a
   Fail: (202) [system] ')'==a
   Call: (202) [system] get_char((0x55772f068e50), a)
   Exit: (202) [system] get_char((0x55772f068e50), a)
   Call: (202) [system] a=(\)
   Fail: (202) [system] a=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1165722)
   Call: (203) [system] peek_char((0x55772f068e50), _1166656)
   Exit: (203) [system] peek_char((0x55772f068e50), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Fail: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_1171376, v('(', ')', end_of_file), l)
   Fail: (204) [system] arg(_1172308, v('(', ')', end_of_file), l)
^  Fail: (203) [user] is_delimiter(l)
   Call: (203) [system] ')'==l
   Fail: (203) [system] ')'==l
   Call: (203) [system] get_char((0x55772f068e50), l)
   Exit: (203) [system] get_char((0x55772f068e50), l)
   Call: (203) [system] l=(\)
   Fail: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1179658)
   Call: (204) [system] peek_char((0x55772f068e50), _1180592)
   Exit: (204) [system] peek_char((0x55772f068e50), 'T')
^  Call: (204) [user] is_delimiter('T')
   Call: (205) [system] char_type('T', space)
   Fail: (205) [system] char_type('T', space)
   Call: (205) [system] arg(_1185312, v('(', ')', end_of_file), 'T')
   Fail: (205) [system] arg(_1186244, v('(', ')', end_of_file), 'T')
^  Fail: (204) [user] is_delimiter('T')
   Call: (204) [system] ')'=='T'
   Fail: (204) [system] ')'=='T'
   Call: (204) [system] get_char((0x55772f068e50), 'T')
   Exit: (204) [system] get_char((0x55772f068e50), 'T')
   Call: (204) [system] 'T'=(\)
   Fail: (204) [system] 'T'=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1193594)
   Call: (205) [system] peek_char((0x55772f068e50), _1194528)
   Exit: (205) [system] peek_char((0x55772f068e50), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1199248, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_1200180, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x55772f068e50), o)
   Exit: (205) [system] get_char((0x55772f068e50), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1207530)
   Call: (206) [system] peek_char((0x55772f068e50), _1208464)
   Exit: (206) [system] peek_char((0x55772f068e50), 'R')
^  Call: (206) [user] is_delimiter('R')
   Call: (207) [system] char_type('R', space)
   Fail: (207) [system] char_type('R', space)
   Call: (207) [system] arg(_1213184, v('(', ')', end_of_file), 'R')
   Fail: (207) [system] arg(_1214116, v('(', ')', end_of_file), 'R')
^  Fail: (206) [user] is_delimiter('R')
   Call: (206) [system] ')'=='R'
   Fail: (206) [system] ')'=='R'
   Call: (206) [system] get_char((0x55772f068e50), 'R')
   Exit: (206) [system] get_char((0x55772f068e50), 'R')
   Call: (206) [system] 'R'=(\)
   Fail: (206) [system] 'R'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1221466)
   Call: (207) [system] peek_char((0x55772f068e50), _1222400)
   Exit: (207) [system] peek_char((0x55772f068e50), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1227120, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_1228052, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x55772f068e50), e)
   Exit: (207) [system] get_char((0x55772f068e50), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1235402)
   Call: (208) [system] peek_char((0x55772f068e50), _1236336)
   Exit: (208) [system] peek_char((0x55772f068e50), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Fail: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_1241056, v('(', ')', end_of_file), s)
   Fail: (209) [system] arg(_1241988, v('(', ')', end_of_file), s)
^  Fail: (208) [user] is_delimiter(s)
   Call: (208) [system] ')'==s
   Fail: (208) [system] ')'==s
   Call: (208) [system] get_char((0x55772f068e50), s)
   Exit: (208) [system] get_char((0x55772f068e50), s)
   Call: (208) [system] s=(\)
   Fail: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1249338)
   Call: (209) [system] peek_char((0x55772f068e50), _1250272)
   Exit: (209) [system] peek_char((0x55772f068e50), u)
^  Call: (209) [user] is_delimiter(u)
   Call: (210) [system] char_type(u, space)
   Fail: (210) [system] char_type(u, space)
   Call: (210) [system] arg(_1254992, v('(', ')', end_of_file), u)
   Fail: (210) [system] arg(_1255924, v('(', ')', end_of_file), u)
^  Fail: (209) [user] is_delimiter(u)
   Call: (209) [system] ')'==u
   Fail: (209) [system] ')'==u
   Call: (209) [system] get_char((0x55772f068e50), u)
   Exit: (209) [system] get_char((0x55772f068e50), u)
   Call: (209) [system] u=(\)
   Fail: (209) [system] u=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1263274)
   Call: (210) [system] peek_char((0x55772f068e50), _1264208)
   Exit: (210) [system] peek_char((0x55772f068e50), l)
^  Call: (210) [user] is_delimiter(l)
   Call: (211) [system] char_type(l, space)
   Fail: (211) [system] char_type(l, space)
   Call: (211) [system] arg(_1268928, v('(', ')', end_of_file), l)
   Fail: (211) [system] arg(_1269860, v('(', ')', end_of_file), l)
^  Fail: (210) [user] is_delimiter(l)
   Call: (210) [system] ')'==l
   Fail: (210) [system] ')'==l
   Call: (210) [system] get_char((0x55772f068e50), l)
   Exit: (210) [system] get_char((0x55772f068e50), l)
   Call: (210) [system] l=(\)
   Fail: (210) [system] l=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1277210)
   Call: (211) [system] peek_char((0x55772f068e50), _1278144)
   Exit: (211) [system] peek_char((0x55772f068e50), t)
^  Call: (211) [user] is_delimiter(t)
   Call: (212) [system] char_type(t, space)
   Fail: (212) [system] char_type(t, space)
   Call: (212) [system] arg(_1282864, v('(', ')', end_of_file), t)
   Fail: (212) [system] arg(_1283796, v('(', ')', end_of_file), t)
^  Fail: (211) [user] is_delimiter(t)
   Call: (211) [system] ')'==t
   Fail: (211) [system] ')'==t
   Call: (211) [system] get_char((0x55772f068e50), t)
   Exit: (211) [system] get_char((0x55772f068e50), t)
   Call: (211) [system] t=(\)
   Fail: (211) [system] t=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1291146)
   Call: (212) [system] peek_char((0x55772f068e50), _1292080)
   Exit: (212) [system] peek_char((0x55772f068e50), '\n')
^  Call: (212) [user] is_delimiter('\n')
   Call: (213) [system] char_type('\n', space)
   Exit: (213) [system] char_type('\n', space)
^  Exit: (212) [user] is_delimiter('\n')
   Call: (212) [system] _1291146=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (211) [system] _1277210=[t]
   Exit: (211) [system] [t]=[t]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [t])
   Call: (210) [system] _1263274=[l, t]
   Exit: (210) [system] [l, t]=[l, t]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [l, t])
   Call: (209) [system] _1249338=[u, l, t]
   Exit: (209) [system] [u, l, t]=[u, l, t]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [u, l, t])
   Call: (208) [system] _1235402=[s, u, l, t]
   Exit: (208) [system] [s, u, l, t]=[s, u, l, t]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [s, u, l, t])
   Call: (207) [system] _1221466=[e, s, u, l, t]
   Exit: (207) [system] [e, s, u, l, t]=[e, s, u, l, t]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [e, s, u, l, t])
   Call: (206) [system] _1207530=['R', e, s, u, l, t]
   Exit: (206) [system] ['R', e, s, u, l, t]=['R', e, s, u, l, t]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), ['R', e, s, u, l, t])
   Call: (205) [system] _1193594=[o, 'R', e, s, u, l, t]
   Exit: (205) [system] [o, 'R', e, s, u, l, t]=[o, 'R', e, s, u, l, t]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [o, 'R', e, s, u, l, t])
   Call: (204) [system] _1179658=['T', o, 'R', e, s, u, l, t]
   Exit: (204) [system] ['T', o, 'R', e, s, u, l, t]=['T', o, 'R', e, s, u, l, t]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), ['T', o, 'R', e, s, u, l, t])
   Call: (203) [system] _1165722=[l, 'T', o, 'R', e, s, u, l, t]
   Exit: (203) [system] [l, 'T', o, 'R', e, s, u, l, t]=[l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [l, 'T', o, 'R', e, s, u, l, t])
   Call: (202) [system] _1151786=[a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (202) [system] [a, l, 'T', o, 'R', e, s, u, l, t]=[a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (201) [system] _1137850=[u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (201) [system] [u, a, l, 'T', o, 'R', e, s, u, l, t]=[u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (200) [system] _1123914=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (200) [system] [q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (199) [system] _1109978=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (199) [system] ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (198) [system] _1096042=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (198) [system] [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (197) [system] _1082106=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (197) [system] [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (196) [system] _1068170=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (196) [system] [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x55772f068e50), [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (195) [system] _1054234=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (195) [system] [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x55772f068e50), [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (194) [system] _1040298=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (194) [system] [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (193) [user] read_symbolic_cont(')', (0x55772f068e50), [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
^  Call: (193) [user] classify_and_convert_charseq([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _1004788)
^  Call: (194) [user] classify_and_convert_charseq_([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _1351656)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1352608, _1352610), once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _1351656), _1352590, fail)), '$restore_trace'(_1352608, _1352610))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1352608, _1352610))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult), _1352590, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(assertEqualToResult)
   Exit: (195) [system] atomic(assertEqualToResult)
^  Exit: (194) [user] classify_and_convert_charseq_([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult)
   Call: (194) [system] integer(assertEqualToResult)
   Fail: (194) [system] integer(assertEqualToResult)
   Call: (194) [system] _1004788=assertEqualToResult
   Exit: (194) [system] assertEqualToResult=assertEqualToResult
^  Exit: (193) [user] classify_and_convert_charseq([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult)
^  Exit: (192) [user] read_symbolic(')', (0x55772f068e50), a, assertEqualToResult)
^  Exit: (191) [user] cont_sexpr(')', (0x55772f068e50), assertEqualToResult)
^  Call: (191) [user] read_list(')', (0x55772f068e50), _1364736)
^  Call: (192) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _1366594)
   Exit: (193) [system] peek_char((0x55772f068e50), '\n')
   Call: (193) [system] '\n'=(;)
   Fail: (193) [system] '\n'=(;)
   Call: (193) [system] '\n'=(/)
   Fail: (193) [system] '\n'=(/)
^  Call: (193) [user] is_like_space('\n')
   Call: (194) [system] char_type('\n', 'white')
   Fail: (194) [system] char_type('\n', 'white')
   Call: (194) [system] char_type('\n', end_of_line)
   Exit: (194) [system] char_type('\n', end_of_line)
^  Exit: (193) [user] is_like_space('\n')
   Call: (193) [system] get_char((0x55772f068e50), _1378044)
   Exit: (193) [system] get_char((0x55772f068e50), '\n')
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1380748)
   Exit: (194) [system] peek_char((0x55772f068e50), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x55772f068e50), _1390342)
   Exit: (194) [system] get_char((0x55772f068e50), ' ')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1393046)
   Exit: (195) [system] peek_char((0x55772f068e50), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x55772f068e50), _1402640)
   Exit: (195) [system] get_char((0x55772f068e50), ' ')
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1405344)
   Exit: (196) [system] peek_char((0x55772f068e50), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
^  Exit: (192) [user] skip_spaces((0x55772f068e50))
   Call: (192) [system] peek_char((0x55772f068e50), _1424126)
   Exit: (192) [system] peek_char((0x55772f068e50), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x55772f068e50), _1429696)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1431554)
   Exit: (194) [system] peek_char((0x55772f068e50), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] get_char((0x55772f068e50), _1447564)
   Exit: (193) [system] get_char((0x55772f068e50), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x55772f068e50), _1429696)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1453134)
   Exit: (195) [system] peek_char((0x55772f068e50), s)
   Call: (195) [system] s=(;)
   Fail: (195) [system] s=(;)
   Call: (195) [system] s=(/)
   Fail: (195) [system] s=(/)
^  Call: (195) [user] is_like_space(s)
   Call: (196) [system] char_type(s, 'white')
   Fail: (196) [system] char_type(s, 'white')
   Call: (196) [system] char_type(s, end_of_line)
   Fail: (196) [system] char_type(s, end_of_line)
   Call: (196) [system] char_type(s, space)
   Fail: (196) [system] char_type(s, space)
   Call: (196) [system] char_type(s, cntrl)
   Fail: (196) [system] char_type(s, cntrl)
^  Fail: (195) [user] is_like_space(s)
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _1469144)
   Exit: (194) [system] peek_char((0x55772f068e50), s)
   Call: (194) [system] s=')'
   Fail: (194) [system] s=')'
   Call: (194) [system] s=end_of_file
   Fail: (194) [system] s=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x55772f068e50), _1474714)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1476572)
   Exit: (196) [system] peek_char((0x55772f068e50), s)
   Call: (196) [system] s=(;)
   Fail: (196) [system] s=(;)
   Call: (196) [system] s=(/)
   Fail: (196) [system] s=(/)
^  Call: (196) [user] is_like_space(s)
   Call: (197) [system] char_type(s, 'white')
   Fail: (197) [system] char_type(s, 'white')
   Call: (197) [system] char_type(s, end_of_line)
   Fail: (197) [system] char_type(s, end_of_line)
   Call: (197) [system] char_type(s, space)
   Fail: (197) [system] char_type(s, space)
   Call: (197) [system] char_type(s, cntrl)
   Fail: (197) [system] char_type(s, cntrl)
^  Fail: (196) [user] is_like_space(s)
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] get_char((0x55772f068e50), _1492582)
   Exit: (195) [system] get_char((0x55772f068e50), s)
   Call: (195) [system] s='('
   Fail: (195) [system] s='('
   Call: (195) [system] s='['
   Fail: (195) [system] s='['
   Call: (195) [system] s='{'
   Fail: (195) [system] s='{'
   Call: (195) [system] s='"'
   Fail: (195) [system] s='"'
   Call: (195) [system] s=!
   Fail: (195) [system] s=!
   Call: (195) [system] s='\''
   Fail: (195) [system] s='\''
   Call: (195) [system] s='`'
   Fail: (195) [system] s='`'
   Call: (195) [system] s=end_of_file
   Fail: (195) [system] s=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x55772f068e50), s, _1474714)
^  Call: (196) [user] read_symbolic_cont(')', (0x55772f068e50), _1510224)
   Call: (197) [system] peek_char((0x55772f068e50), _1511158)
   Exit: (197) [system] peek_char((0x55772f068e50), y)
^  Call: (197) [user] is_delimiter(y)
   Call: (198) [system] char_type(y, space)
   Fail: (198) [system] char_type(y, space)
   Call: (198) [system] arg(_1515878, v('(', ')', end_of_file), y)
   Fail: (198) [system] arg(_1516810, v('(', ')', end_of_file), y)
^  Fail: (197) [user] is_delimiter(y)
   Call: (197) [system] ')'==y
   Fail: (197) [system] ')'==y
   Call: (197) [system] get_char((0x55772f068e50), y)
   Exit: (197) [system] get_char((0x55772f068e50), y)
   Call: (197) [system] y=(\)
   Fail: (197) [system] y=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x55772f068e50), _1524160)
   Call: (198) [system] peek_char((0x55772f068e50), _1525094)
   Exit: (198) [system] peek_char((0x55772f068e50), n)
^  Call: (198) [user] is_delimiter(n)
   Call: (199) [system] char_type(n, space)
   Fail: (199) [system] char_type(n, space)
   Call: (199) [system] arg(_1529814, v('(', ')', end_of_file), n)
   Fail: (199) [system] arg(_1530746, v('(', ')', end_of_file), n)
^  Fail: (198) [user] is_delimiter(n)
   Call: (198) [system] ')'==n
   Fail: (198) [system] ')'==n
   Call: (198) [system] get_char((0x55772f068e50), n)
   Exit: (198) [system] get_char((0x55772f068e50), n)
   Call: (198) [system] n=(\)
   Fail: (198) [system] n=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _1538096)
   Call: (199) [system] peek_char((0x55772f068e50), _1539030)
   Exit: (199) [system] peek_char((0x55772f068e50), t)
^  Call: (199) [user] is_delimiter(t)
   Call: (200) [system] char_type(t, space)
   Fail: (200) [system] char_type(t, space)
   Call: (200) [system] arg(_1543750, v('(', ')', end_of_file), t)
   Fail: (200) [system] arg(_1544682, v('(', ')', end_of_file), t)
^  Fail: (199) [user] is_delimiter(t)
   Call: (199) [system] ')'==t
   Fail: (199) [system] ')'==t
   Call: (199) [system] get_char((0x55772f068e50), t)
   Exit: (199) [system] get_char((0x55772f068e50), t)
   Call: (199) [system] t=(\)
   Fail: (199) [system] t=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1552032)
   Call: (200) [system] peek_char((0x55772f068e50), _1552966)
   Exit: (200) [system] peek_char((0x55772f068e50), h)
^  Call: (200) [user] is_delimiter(h)
   Call: (201) [system] char_type(h, space)
   Fail: (201) [system] char_type(h, space)
   Call: (201) [system] arg(_1557686, v('(', ')', end_of_file), h)
   Fail: (201) [system] arg(_1558618, v('(', ')', end_of_file), h)
^  Fail: (200) [user] is_delimiter(h)
   Call: (200) [system] ')'==h
   Fail: (200) [system] ')'==h
   Call: (200) [system] get_char((0x55772f068e50), h)
   Exit: (200) [system] get_char((0x55772f068e50), h)
   Call: (200) [system] h=(\)
   Fail: (200) [system] h=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1565968)
   Call: (201) [system] peek_char((0x55772f068e50), _1566902)
   Exit: (201) [system] peek_char((0x55772f068e50), e)
^  Call: (201) [user] is_delimiter(e)
   Call: (202) [system] char_type(e, space)
   Fail: (202) [system] char_type(e, space)
   Call: (202) [system] arg(_1571622, v('(', ')', end_of_file), e)
   Fail: (202) [system] arg(_1572554, v('(', ')', end_of_file), e)
^  Fail: (201) [user] is_delimiter(e)
   Call: (201) [system] ')'==e
   Fail: (201) [system] ')'==e
   Call: (201) [system] get_char((0x55772f068e50), e)
   Exit: (201) [system] get_char((0x55772f068e50), e)
   Call: (201) [system] e=(\)
   Fail: (201) [system] e=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1579904)
   Call: (202) [system] peek_char((0x55772f068e50), _1580838)
   Exit: (202) [system] peek_char((0x55772f068e50), s)
^  Call: (202) [user] is_delimiter(s)
   Call: (203) [system] char_type(s, space)
   Fail: (203) [system] char_type(s, space)
   Call: (203) [system] arg(_1585558, v('(', ')', end_of_file), s)
   Fail: (203) [system] arg(_1586490, v('(', ')', end_of_file), s)
^  Fail: (202) [user] is_delimiter(s)
   Call: (202) [system] ')'==s
   Fail: (202) [system] ')'==s
   Call: (202) [system] get_char((0x55772f068e50), s)
   Exit: (202) [system] get_char((0x55772f068e50), s)
   Call: (202) [system] s=(\)
   Fail: (202) [system] s=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1593840)
   Call: (203) [system] peek_char((0x55772f068e50), _1594774)
   Exit: (203) [system] peek_char((0x55772f068e50), i)
^  Call: (203) [user] is_delimiter(i)
   Call: (204) [system] char_type(i, space)
   Fail: (204) [system] char_type(i, space)
   Call: (204) [system] arg(_1599494, v('(', ')', end_of_file), i)
   Fail: (204) [system] arg(_1600426, v('(', ')', end_of_file), i)
^  Fail: (203) [user] is_delimiter(i)
   Call: (203) [system] ')'==i
   Fail: (203) [system] ')'==i
   Call: (203) [system] get_char((0x55772f068e50), i)
   Exit: (203) [system] get_char((0x55772f068e50), i)
   Call: (203) [system] i=(\)
   Fail: (203) [system] i=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1607776)
   Call: (204) [system] peek_char((0x55772f068e50), _1608710)
   Exit: (204) [system] peek_char((0x55772f068e50), z)
^  Call: (204) [user] is_delimiter(z)
   Call: (205) [system] char_type(z, space)
   Fail: (205) [system] char_type(z, space)
   Call: (205) [system] arg(_1613430, v('(', ')', end_of_file), z)
   Fail: (205) [system] arg(_1614362, v('(', ')', end_of_file), z)
^  Fail: (204) [user] is_delimiter(z)
   Call: (204) [system] ')'==z
   Fail: (204) [system] ')'==z
   Call: (204) [system] get_char((0x55772f068e50), z)
   Exit: (204) [system] get_char((0x55772f068e50), z)
   Call: (204) [system] z=(\)
   Fail: (204) [system] z=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1621712)
   Call: (205) [system] peek_char((0x55772f068e50), _1622646)
   Exit: (205) [system] peek_char((0x55772f068e50), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Fail: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_1627366, v('(', ')', end_of_file), e)
   Fail: (206) [system] arg(_1628298, v('(', ')', end_of_file), e)
^  Fail: (205) [user] is_delimiter(e)
   Call: (205) [system] ')'==e
   Fail: (205) [system] ')'==e
   Call: (205) [system] get_char((0x55772f068e50), e)
   Exit: (205) [system] get_char((0x55772f068e50), e)
   Call: (205) [system] e=(\)
   Fail: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1635648)
   Call: (206) [system] peek_char((0x55772f068e50), _1636582)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1635648=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (205) [system] _1621712=[e]
   Exit: (205) [system] [e]=[e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (204) [system] _1607776=[z, e]
   Exit: (204) [system] [z, e]=[z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [z, e])
   Call: (203) [system] _1593840=[i, z, e]
   Exit: (203) [system] [i, z, e]=[i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [i, z, e])
   Call: (202) [system] _1579904=[s, i, z, e]
   Exit: (202) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [s, i, z, e])
   Call: (201) [system] _1565968=[e, s, i, z, e]
   Exit: (201) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [e, s, i, z, e])
   Call: (200) [system] _1552032=[h, e, s, i, z, e]
   Exit: (200) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [h, e, s, i, z, e])
   Call: (199) [system] _1538096=[t, h, e, s, i, z, e]
   Exit: (199) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [t, h, e, s, i, z, e])
   Call: (198) [system] _1524160=[n, t, h, e, s, i, z, e]
   Exit: (198) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, h, e, s, i, z, e])
   Call: (197) [system] _1510224=[y, n, t, h, e, s, i, z, e]
   Exit: (197) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x55772f068e50), [y, n, t, h, e, s, i, z, e])
^  Call: (196) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _1474714)
^  Call: (197) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _1671012)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1671964, _1671966), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1671012), _1671946, fail)), '$restore_trace'(_1671964, _1671966))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1671964, _1671966))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1671946, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(synthesize)
   Exit: (198) [system] atomic(synthesize)
^  Exit: (197) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (197) [system] integer(synthesize)
   Fail: (197) [system] integer(synthesize)
   Call: (197) [system] _1474714=synthesize
   Exit: (197) [system] synthesize=synthesize
^  Exit: (196) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (195) [user] read_symbolic(')', (0x55772f068e50), s, synthesize)
^  Exit: (194) [user] cont_sexpr(')', (0x55772f068e50), synthesize)
^  Call: (194) [user] read_list(')', (0x55772f068e50), _1684092)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _1685950)
   Exit: (196) [system] peek_char((0x55772f068e50), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x55772f068e50), _1695544)
   Exit: (196) [system] get_char((0x55772f068e50), ' ')
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1698248)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _1715182)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _1720752)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1722610)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _1738620)
   Exit: (196) [system] get_char((0x55772f068e50), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x55772f068e50), _1720752)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1744190)
   Exit: (198) [system] peek_char((0x55772f068e50), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
   Call: (198) [system] (:)=(/)
   Fail: (198) [system] (:)=(/)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _1760200)
   Exit: (197) [system] peek_char((0x55772f068e50), :)
   Call: (197) [system] (:)=')'
   Fail: (197) [system] (:)=')'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _1765770)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1767628)
   Exit: (199) [system] peek_char((0x55772f068e50), :)
   Call: (199) [system] (:)=(;)
   Fail: (199) [system] (:)=(;)
   Call: (199) [system] (:)=(/)
   Fail: (199) [system] (:)=(/)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Fail: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Fail: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
   Fail: (200) [system] char_type(:, cntrl)
^  Fail: (199) [user] is_like_space(:)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _1783638)
   Exit: (198) [system] get_char((0x55772f068e50), :)
   Call: (198) [system] (:)='('
   Fail: (198) [system] (:)='('
   Call: (198) [system] (:)='['
   Fail: (198) [system] (:)='['
   Call: (198) [system] (:)='{'
   Fail: (198) [system] (:)='{'
   Call: (198) [system] (:)='"'
   Fail: (198) [system] (:)='"'
   Call: (198) [system] (:)=!
   Fail: (198) [system] (:)=!
   Call: (198) [system] (:)='\''
   Fail: (198) [system] (:)='\''
   Call: (198) [system] (:)='`'
   Fail: (198) [system] (:)='`'
   Call: (198) [system] (:)=end_of_file
   Fail: (198) [system] (:)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x55772f068e50), :, _1765770)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _1801280)
   Call: (200) [system] peek_char((0x55772f068e50), _1802214)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _1801280=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (199) [user] classify_and_convert_charseq([:], _1765770)
^  Call: (200) [user] classify_and_convert_charseq_([:], _1811498)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_1812450, _1812452), once(user:catch(read_from_chars([:], _1811498), _1812432, fail)), '$restore_trace'(_1812450, _1812452))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_1812450, _1812452))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1812432, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(:)
   Exit: (201) [system] atomic(:)
^  Exit: (200) [user] classify_and_convert_charseq_([:], :)
   Call: (200) [system] integer(:)
   Fail: (200) [system] integer(:)
   Call: (200) [system] _1765770=(:)
   Exit: (200) [system] (:)=(:)
^  Exit: (199) [user] classify_and_convert_charseq([:], :)
^  Exit: (198) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (197) [user] read_list(')', (0x55772f068e50), _1824578)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1826436)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _1836030)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1838734)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1855668)
   Exit: (198) [system] peek_char((0x55772f068e50), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _1861238)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1863096)
   Exit: (200) [system] peek_char((0x55772f068e50), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _1879106)
   Exit: (199) [system] get_char((0x55772f068e50), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x55772f068e50), $, _1861238)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1896748)
   Call: (201) [system] peek_char((0x55772f068e50), _1897682)
   Exit: (201) [system] peek_char((0x55772f068e50), t)
^  Call: (201) [user] is_delimiter(t)
   Call: (202) [system] char_type(t, space)
   Fail: (202) [system] char_type(t, space)
   Call: (202) [system] arg(_1902402, v('(', ')', end_of_file), t)
   Fail: (202) [system] arg(_1903334, v('(', ')', end_of_file), t)
^  Fail: (201) [user] is_delimiter(t)
   Call: (201) [system] ')'==t
   Fail: (201) [system] ')'==t
   Call: (201) [system] get_char((0x55772f068e50), t)
   Exit: (201) [system] get_char((0x55772f068e50), t)
   Call: (201) [system] t=(\)
   Fail: (201) [system] t=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1910684)
   Call: (202) [system] peek_char((0x55772f068e50), _1911618)
   Exit: (202) [system] peek_char((0x55772f068e50), e)
^  Call: (202) [user] is_delimiter(e)
   Call: (203) [system] char_type(e, space)
   Fail: (203) [system] char_type(e, space)
   Call: (203) [system] arg(_1916338, v('(', ')', end_of_file), e)
   Fail: (203) [system] arg(_1917270, v('(', ')', end_of_file), e)
^  Fail: (202) [user] is_delimiter(e)
   Call: (202) [system] ')'==e
   Fail: (202) [system] ')'==e
   Call: (202) [system] get_char((0x55772f068e50), e)
   Exit: (202) [system] get_char((0x55772f068e50), e)
   Call: (202) [system] e=(\)
   Fail: (202) [system] e=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1924620)
   Call: (203) [system] peek_char((0x55772f068e50), _1925554)
   Exit: (203) [system] peek_char((0x55772f068e50), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_1930274, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_1931206, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x55772f068e50), r)
   Exit: (203) [system] get_char((0x55772f068e50), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1938556)
   Call: (204) [system] peek_char((0x55772f068e50), _1939490)
   Exit: (204) [system] peek_char((0x55772f068e50), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_1944210, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_1945142, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x55772f068e50), m)
   Exit: (204) [system] get_char((0x55772f068e50), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1952492)
   Call: (205) [system] peek_char((0x55772f068e50), _1953426)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1952492=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (204) [system] _1938556=[m]
   Exit: (204) [system] [m]=[m]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [m])
   Call: (203) [system] _1924620=[r, m]
   Exit: (203) [system] [r, m]=[r, m]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [r, m])
   Call: (202) [system] _1910684=[e, r, m]
   Exit: (202) [system] [e, r, m]=[e, r, m]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [e, r, m])
   Call: (201) [system] _1896748=[t, e, r, m]
   Exit: (201) [system] [t, e, r, m]=[t, e, r, m]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [t, e, r, m])
^  Call: (200) [user] classify_and_convert_charseq([$, t, e, r, m], _1861238)
^  Call: (201) [user] classify_and_convert_charseq_([$, t, e, r, m], _1973886)
   Call: (202) [system] atom_chars(_1974818, ['_', t, e, r, m])
   Exit: (202) [system] atom_chars('_term', ['_', t, e, r, m])
^  Exit: (201) [user] classify_and_convert_charseq_([$, t, e, r, m], _term)
   Call: (201) [system] integer(_term)
   Fail: (201) [system] integer(_term)
   Call: (201) [system] _1861238=_term
   Exit: (201) [system] _term=_term
^  Exit: (200) [user] classify_and_convert_charseq([$, t, e, r, m], _term)
^  Exit: (199) [user] read_symbolic(')', (0x55772f068e50), $, _term)
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), _term)
^  Call: (198) [user] read_list(')', (0x55772f068e50), _1984110)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1985968)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _1995562)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1998266)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _2015200)
   Exit: (199) [system] peek_char((0x55772f068e50), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _2020770)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _2022628)
   Exit: (201) [system] peek_char((0x55772f068e50), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _2038638)
   Exit: (200) [system] get_char((0x55772f068e50), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), $, _2020770)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _2056280)
   Call: (202) [system] peek_char((0x55772f068e50), _2057214)
   Exit: (202) [system] peek_char((0x55772f068e50), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Fail: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_2061934, v('(', ')', end_of_file), t)
   Fail: (203) [system] arg(_2062866, v('(', ')', end_of_file), t)
^  Fail: (202) [user] is_delimiter(t)
   Call: (202) [system] ')'==t
   Fail: (202) [system] ')'==t
   Call: (202) [system] get_char((0x55772f068e50), t)
   Exit: (202) [system] get_char((0x55772f068e50), t)
   Call: (202) [system] t=(\)
   Fail: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _2070216)
   Call: (203) [system] peek_char((0x55772f068e50), _2071150)
   Exit: (203) [system] peek_char((0x55772f068e50), y)
^  Call: (203) [user] is_delimiter(y)
   Call: (204) [system] char_type(y, space)
   Fail: (204) [system] char_type(y, space)
   Call: (204) [system] arg(_2075870, v('(', ')', end_of_file), y)
   Fail: (204) [system] arg(_2076802, v('(', ')', end_of_file), y)
^  Fail: (203) [user] is_delimiter(y)
   Call: (203) [system] ')'==y
   Fail: (203) [system] ')'==y
   Call: (203) [system] get_char((0x55772f068e50), y)
   Exit: (203) [system] get_char((0x55772f068e50), y)
   Call: (203) [system] y=(\)
   Fail: (203) [system] y=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _2084152)
   Call: (204) [system] peek_char((0x55772f068e50), _2085086)
   Exit: (204) [system] peek_char((0x55772f068e50), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_2089806, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_2090738, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x55772f068e50), p)
   Exit: (204) [system] get_char((0x55772f068e50), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _4728)
   Call: (205) [system] peek_char((0x55772f068e50), _5662)
   Exit: (205) [system] peek_char((0x55772f068e50), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Fail: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_10382, v('(', ')', end_of_file), e)
   Fail: (206) [system] arg(_11314, v('(', ')', end_of_file), e)
^  Fail: (205) [user] is_delimiter(e)
   Call: (205) [system] ')'==e
   Fail: (205) [system] ')'==e
   Call: (205) [system] get_char((0x55772f068e50), e)
   Exit: (205) [system] get_char((0x55772f068e50), e)
   Call: (205) [system] e=(\)
   Fail: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _18664)
   Call: (206) [system] peek_char((0x55772f068e50), _19598)
   Exit: (206) [system] peek_char((0x55772f068e50), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_24318, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _18664=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (205) [system] _4728=[e]
   Exit: (205) [system] [e]=[e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (204) [system] _3442=[p, e]
   Exit: (204) [system] [p, e]=[p, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [p, e])
   Call: (203) [system] _3438=[y, p, e]
   Exit: (203) [system] [y, p, e]=[y, p, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [y, p, e])
   Call: (202) [system] _3434=[t, y, p, e]
   Exit: (202) [system] [t, y, p, e]=[t, y, p, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [t, y, p, e])
^  Call: (201) [user] classify_and_convert_charseq([$, t, y, p, e], _3430)
^  Call: (202) [user] classify_and_convert_charseq_([$, t, y, p, e], _41930)
   Call: (203) [system] atom_chars(_42862, ['_', t, y, p, e])
   Exit: (203) [system] atom_chars('_type', ['_', t, y, p, e])
^  Exit: (202) [user] classify_and_convert_charseq_([$, t, y, p, e], _type)
   Call: (202) [system] integer(_type)
   Fail: (202) [system] integer(_type)
   Call: (202) [system] _3430=_type
   Exit: (202) [system] _type=_type
^  Exit: (201) [user] classify_and_convert_charseq([$, t, y, p, e], _type)
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), $, _type)
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), _type)
^  Call: (199) [user] read_list(')', (0x55772f068e50), _52154)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _54012)
   Exit: (201) [system] peek_char((0x55772f068e50), ')')
   Call: (201) [system] ')'=(;)
   Fail: (201) [system] ')'=(;)
   Call: (201) [system] ')'=(/)
   Fail: (201) [system] ')'=(/)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Fail: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Fail: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
   Fail: (202) [system] char_type(')', cntrl)
^  Fail: (201) [user] is_like_space(')')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _70022)
   Exit: (200) [system] peek_char((0x55772f068e50), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x55772f068e50), _73812)
   Exit: (200) [system] get_char((0x55772f068e50), ')')
   Call: (200) [system] _52154=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [])
   Call: (199) [system] _3426=[_type]
   Exit: (199) [system] [_type]=[_type]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [_type])
   Call: (198) [system] _3416=[_term, _type]
   Exit: (198) [system] [_term, _type]=[_term, _type]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [_term, _type])
   Call: (197) [system] _3408=[:, _term, _type]
   Exit: (197) [system] [:, _term, _type]=[:, _term, _type]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [:, _term, _type])
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), [:, _term, _type])
^  Call: (195) [user] read_list(')', (0x55772f068e50), _87694)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _89552)
   Exit: (197) [system] peek_char((0x55772f068e50), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x55772f068e50), _99146)
   Exit: (197) [system] get_char((0x55772f068e50), ' ')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _101850)
   Exit: (198) [system] peek_char((0x55772f068e50), k)
   Call: (198) [system] k=(;)
   Fail: (198) [system] k=(;)
   Call: (198) [system] k=(/)
   Fail: (198) [system] k=(/)
^  Call: (198) [user] is_like_space(k)
   Call: (199) [system] char_type(k, 'white')
   Fail: (199) [system] char_type(k, 'white')
   Call: (199) [system] char_type(k, end_of_line)
   Fail: (199) [system] char_type(k, end_of_line)
   Call: (199) [system] char_type(k, space)
   Fail: (199) [system] char_type(k, space)
   Call: (199) [system] char_type(k, cntrl)
   Fail: (199) [system] char_type(k, cntrl)
^  Fail: (198) [user] is_like_space(k)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _118784)
   Exit: (196) [system] peek_char((0x55772f068e50), k)
   Call: (196) [system] k=')'
   Fail: (196) [system] k=')'
   Call: (196) [system] k=end_of_file
   Fail: (196) [system] k=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _124354)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _126212)
   Exit: (198) [system] peek_char((0x55772f068e50), k)
   Call: (198) [system] k=(;)
   Fail: (198) [system] k=(;)
   Call: (198) [system] k=(/)
   Fail: (198) [system] k=(/)
^  Call: (198) [user] is_like_space(k)
   Call: (199) [system] char_type(k, 'white')
   Fail: (199) [system] char_type(k, 'white')
   Call: (199) [system] char_type(k, end_of_line)
   Fail: (199) [system] char_type(k, end_of_line)
   Call: (199) [system] char_type(k, space)
   Fail: (199) [system] char_type(k, space)
   Call: (199) [system] char_type(k, cntrl)
   Fail: (199) [system] char_type(k, cntrl)
^  Fail: (198) [user] is_like_space(k)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _142222)
   Exit: (197) [system] get_char((0x55772f068e50), k)
   Call: (197) [system] k='('
   Fail: (197) [system] k='('
   Call: (197) [system] k='['
   Fail: (197) [system] k='['
   Call: (197) [system] k='{'
   Fail: (197) [system] k='{'
   Call: (197) [system] k='"'
   Fail: (197) [system] k='"'
   Call: (197) [system] k=!
   Fail: (197) [system] k=!
   Call: (197) [system] k='\''
   Fail: (197) [system] k='\''
   Call: (197) [system] k='`'
   Fail: (197) [system] k='`'
   Call: (197) [system] k=end_of_file
   Fail: (197) [system] k=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x55772f068e50), k, _124354)
^  Call: (198) [user] read_symbolic_cont(')', (0x55772f068e50), _159864)
   Call: (199) [system] peek_char((0x55772f068e50), _160798)
   Exit: (199) [system] peek_char((0x55772f068e50), b)
^  Call: (199) [user] is_delimiter(b)
   Call: (200) [system] char_type(b, space)
   Fail: (200) [system] char_type(b, space)
   Call: (200) [system] arg(_165518, v('(', ')', end_of_file), b)
   Fail: (200) [system] arg(_166450, v('(', ')', end_of_file), b)
^  Fail: (199) [user] is_delimiter(b)
   Call: (199) [system] ')'==b
   Fail: (199) [system] ')'==b
   Call: (199) [system] get_char((0x55772f068e50), b)
   Exit: (199) [system] get_char((0x55772f068e50), b)
   Call: (199) [system] b=(\)
   Fail: (199) [system] b=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _173800)
   Call: (200) [system] peek_char((0x55772f068e50), _174734)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _173800=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (199) [system] _159864=[b]
   Exit: (199) [system] [b]=[b]
^  Exit: (198) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
^  Call: (198) [user] classify_and_convert_charseq([k, b], _124354)
^  Call: (199) [user] classify_and_convert_charseq_([k, b], _186812)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_187764, _187766), once(user:catch(read_from_chars([k, b], _186812), _187746, fail)), '$restore_trace'(_187764, _187766))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_187764, _187766))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _187746, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(kb)
   Exit: (200) [system] atomic(kb)
^  Exit: (199) [user] classify_and_convert_charseq_([k, b], kb)
   Call: (199) [system] integer(kb)
   Fail: (199) [system] integer(kb)
   Call: (199) [system] _124354=kb
   Exit: (199) [system] kb=kb
^  Exit: (198) [user] classify_and_convert_charseq([k, b], kb)
^  Exit: (197) [user] read_symbolic(')', (0x55772f068e50), k, kb)
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), kb)
^  Call: (196) [user] read_list(')', (0x55772f068e50), _199892)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _201750)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _211344)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _214048)
   Exit: (199) [system] peek_char((0x55772f068e50), r)
   Call: (199) [system] r=(;)
   Fail: (199) [system] r=(;)
   Call: (199) [system] r=(/)
   Fail: (199) [system] r=(/)
^  Call: (199) [user] is_like_space(r)
   Call: (200) [system] char_type(r, 'white')
   Fail: (200) [system] char_type(r, 'white')
   Call: (200) [system] char_type(r, end_of_line)
   Fail: (200) [system] char_type(r, end_of_line)
   Call: (200) [system] char_type(r, space)
   Fail: (200) [system] char_type(r, space)
   Call: (200) [system] char_type(r, cntrl)
   Fail: (200) [system] char_type(r, cntrl)
^  Fail: (199) [user] is_like_space(r)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _230982)
   Exit: (197) [system] peek_char((0x55772f068e50), r)
   Call: (197) [system] r=')'
   Fail: (197) [system] r=')'
   Call: (197) [system] r=end_of_file
   Fail: (197) [system] r=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _236552)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _238410)
   Exit: (199) [system] peek_char((0x55772f068e50), r)
   Call: (199) [system] r=(;)
   Fail: (199) [system] r=(;)
   Call: (199) [system] r=(/)
   Fail: (199) [system] r=(/)
^  Call: (199) [user] is_like_space(r)
   Call: (200) [system] char_type(r, 'white')
   Fail: (200) [system] char_type(r, 'white')
   Call: (200) [system] char_type(r, end_of_line)
   Fail: (200) [system] char_type(r, end_of_line)
   Call: (200) [system] char_type(r, space)
   Fail: (200) [system] char_type(r, space)
   Call: (200) [system] char_type(r, cntrl)
   Fail: (200) [system] char_type(r, cntrl)
^  Fail: (199) [user] is_like_space(r)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _254420)
   Exit: (198) [system] get_char((0x55772f068e50), r)
   Call: (198) [system] r='('
   Fail: (198) [system] r='('
   Call: (198) [system] r='['
   Fail: (198) [system] r='['
   Call: (198) [system] r='{'
   Fail: (198) [system] r='{'
   Call: (198) [system] r='"'
   Fail: (198) [system] r='"'
   Call: (198) [system] r=!
   Fail: (198) [system] r=!
   Call: (198) [system] r='\''
   Fail: (198) [system] r='\''
   Call: (198) [system] r='`'
   Fail: (198) [system] r='`'
   Call: (198) [system] r=end_of_file
   Fail: (198) [system] r=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x55772f068e50), r, _236552)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _272062)
   Call: (200) [system] peek_char((0x55772f068e50), _272996)
   Exit: (200) [system] peek_char((0x55772f068e50), b)
^  Call: (200) [user] is_delimiter(b)
   Call: (201) [system] char_type(b, space)
   Fail: (201) [system] char_type(b, space)
   Call: (201) [system] arg(_277716, v('(', ')', end_of_file), b)
   Fail: (201) [system] arg(_278648, v('(', ')', end_of_file), b)
^  Fail: (200) [user] is_delimiter(b)
   Call: (200) [system] ')'==b
   Fail: (200) [system] ')'==b
   Call: (200) [system] get_char((0x55772f068e50), b)
   Exit: (200) [system] get_char((0x55772f068e50), b)
   Call: (200) [system] b=(\)
   Fail: (200) [system] b=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _285998)
   Call: (201) [system] peek_char((0x55772f068e50), _286932)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _285998=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (200) [system] _272062=[b]
   Exit: (200) [system] [b]=[b]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [b])
^  Call: (199) [user] classify_and_convert_charseq([r, b], _236552)
^  Call: (200) [user] classify_and_convert_charseq_([r, b], _299010)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_299962, _299964), once(user:catch(read_from_chars([r, b], _299010), _299944, fail)), '$restore_trace'(_299962, _299964))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_299962, _299964))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _299944, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(rb)
   Exit: (201) [system] atomic(rb)
^  Exit: (200) [user] classify_and_convert_charseq_([r, b], rb)
   Call: (200) [system] integer(rb)
   Fail: (200) [system] integer(rb)
   Call: (200) [system] _236552=rb
   Exit: (200) [system] rb=rb
^  Exit: (199) [user] classify_and_convert_charseq([r, b], rb)
^  Exit: (198) [user] read_symbolic(')', (0x55772f068e50), r, rb)
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), rb)
^  Call: (197) [user] read_list(')', (0x55772f068e50), _312090)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _313948)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _323542)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _326246)
   Exit: (200) [system] peek_char((0x55772f068e50), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _343180)
   Exit: (198) [system] peek_char((0x55772f068e50), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _348750)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _350608)
   Exit: (200) [system] peek_char((0x55772f068e50), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _366618)
   Exit: (199) [system] get_char((0x55772f068e50), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x55772f068e50), _348750)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _372188)
   Exit: (201) [system] peek_char((0x55772f068e50), 'S')
   Call: (201) [system] 'S'=(;)
   Fail: (201) [system] 'S'=(;)
   Call: (201) [system] 'S'=(/)
   Fail: (201) [system] 'S'=(/)
^  Call: (201) [user] is_like_space('S')
   Call: (202) [system] char_type('S', 'white')
   Fail: (202) [system] char_type('S', 'white')
   Call: (202) [system] char_type('S', end_of_line)
   Fail: (202) [system] char_type('S', end_of_line)
   Call: (202) [system] char_type('S', space)
   Fail: (202) [system] char_type('S', space)
   Call: (202) [system] char_type('S', cntrl)
   Fail: (202) [system] char_type('S', cntrl)
^  Fail: (201) [user] is_like_space('S')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _388198)
   Exit: (200) [system] peek_char((0x55772f068e50), 'S')
   Call: (200) [system] 'S'=')'
   Fail: (200) [system] 'S'=')'
   Call: (200) [system] 'S'=end_of_file
   Fail: (200) [system] 'S'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _393768)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _395626)
   Exit: (202) [system] peek_char((0x55772f068e50), 'S')
   Call: (202) [system] 'S'=(;)
   Fail: (202) [system] 'S'=(;)
   Call: (202) [system] 'S'=(/)
   Fail: (202) [system] 'S'=(/)
^  Call: (202) [user] is_like_space('S')
   Call: (203) [system] char_type('S', 'white')
   Fail: (203) [system] char_type('S', 'white')
   Call: (203) [system] char_type('S', end_of_line)
   Fail: (203) [system] char_type('S', end_of_line)
   Call: (203) [system] char_type('S', space)
   Fail: (203) [system] char_type('S', space)
   Call: (203) [system] char_type('S', cntrl)
   Fail: (203) [system] char_type('S', cntrl)
^  Fail: (202) [user] is_like_space('S')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _411636)
   Exit: (201) [system] get_char((0x55772f068e50), 'S')
   Call: (201) [system] 'S'='('
   Fail: (201) [system] 'S'='('
   Call: (201) [system] 'S'='['
   Fail: (201) [system] 'S'='['
   Call: (201) [system] 'S'='{'
   Fail: (201) [system] 'S'='{'
   Call: (201) [system] 'S'='"'
   Fail: (201) [system] 'S'='"'
   Call: (201) [system] 'S'=!
   Fail: (201) [system] 'S'=!
   Call: (201) [system] 'S'='\''
   Fail: (201) [system] 'S'='\''
   Call: (201) [system] 'S'='`'
   Fail: (201) [system] 'S'='`'
   Call: (201) [system] 'S'=end_of_file
   Fail: (201) [system] 'S'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), 'S', _393768)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _429278)
   Call: (203) [system] peek_char((0x55772f068e50), _430212)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _429278=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (202) [user] classify_and_convert_charseq(['S'], _393768)
^  Call: (203) [user] classify_and_convert_charseq_(['S'], _439496)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_440448, _440450), once(user:catch(read_from_chars(['S'], _439496), _440430, fail)), '$restore_trace'(_440448, _440450))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_440448, _440450))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _439496), _440430, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_439496)
   Fail: (204) [system] atomic(_439496)
   Call: (204) [system] atom_chars(_439496, ['S'])
   Exit: (204) [system] atom_chars('S', ['S'])
^  Exit: (203) [user] classify_and_convert_charseq_(['S'], 'S')
   Call: (203) [system] integer('S')
   Fail: (203) [system] integer('S')
   Call: (203) [system] _393768='S'
   Exit: (203) [system] 'S'='S'
^  Exit: (202) [user] classify_and_convert_charseq(['S'], 'S')
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), 'S', 'S')
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), 'S')
^  Call: (200) [user] read_list(')', (0x55772f068e50), _454446)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _456304)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _465898)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _468602)
   Exit: (203) [system] peek_char((0x55772f068e50), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _485536)
   Exit: (201) [system] peek_char((0x55772f068e50), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _491106)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _492964)
   Exit: (203) [system] peek_char((0x55772f068e50), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _508974)
   Exit: (202) [system] get_char((0x55772f068e50), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x55772f068e50), _491106)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _514544)
   Exit: (204) [system] peek_char((0x55772f068e50), 'S')
   Call: (204) [system] 'S'=(;)
   Fail: (204) [system] 'S'=(;)
   Call: (204) [system] 'S'=(/)
   Fail: (204) [system] 'S'=(/)
^  Call: (204) [user] is_like_space('S')
   Call: (205) [system] char_type('S', 'white')
   Fail: (205) [system] char_type('S', 'white')
   Call: (205) [system] char_type('S', end_of_line)
   Fail: (205) [system] char_type('S', end_of_line)
   Call: (205) [system] char_type('S', space)
   Fail: (205) [system] char_type('S', space)
   Call: (205) [system] char_type('S', cntrl)
   Fail: (205) [system] char_type('S', cntrl)
^  Fail: (204) [user] is_like_space('S')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _530554)
   Exit: (203) [system] peek_char((0x55772f068e50), 'S')
   Call: (203) [system] 'S'=')'
   Fail: (203) [system] 'S'=')'
   Call: (203) [system] 'S'=end_of_file
   Fail: (203) [system] 'S'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x55772f068e50), _536124)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _537982)
   Exit: (205) [system] peek_char((0x55772f068e50), 'S')
   Call: (205) [system] 'S'=(;)
   Fail: (205) [system] 'S'=(;)
   Call: (205) [system] 'S'=(/)
   Fail: (205) [system] 'S'=(/)
^  Call: (205) [user] is_like_space('S')
   Call: (206) [system] char_type('S', 'white')
   Fail: (206) [system] char_type('S', 'white')
   Call: (206) [system] char_type('S', end_of_line)
   Fail: (206) [system] char_type('S', end_of_line)
   Call: (206) [system] char_type('S', space)
   Fail: (206) [system] char_type('S', space)
   Call: (206) [system] char_type('S', cntrl)
   Fail: (206) [system] char_type('S', cntrl)
^  Fail: (205) [user] is_like_space('S')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] get_char((0x55772f068e50), _553992)
   Exit: (204) [system] get_char((0x55772f068e50), 'S')
   Call: (204) [system] 'S'='('
   Fail: (204) [system] 'S'='('
   Call: (204) [system] 'S'='['
   Fail: (204) [system] 'S'='['
   Call: (204) [system] 'S'='{'
   Fail: (204) [system] 'S'='{'
   Call: (204) [system] 'S'='"'
   Fail: (204) [system] 'S'='"'
   Call: (204) [system] 'S'=!
   Fail: (204) [system] 'S'=!
   Call: (204) [system] 'S'='\''
   Fail: (204) [system] 'S'='\''
   Call: (204) [system] 'S'='`'
   Fail: (204) [system] 'S'='`'
   Call: (204) [system] 'S'=end_of_file
   Fail: (204) [system] 'S'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x55772f068e50), 'S', _536124)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _571634)
   Call: (206) [system] peek_char((0x55772f068e50), _572568)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _571634=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (205) [user] classify_and_convert_charseq(['S'], _536124)
^  Call: (206) [user] classify_and_convert_charseq_(['S'], _581852)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_582804, _582806), once(user:catch(read_from_chars(['S'], _581852), _582786, fail)), '$restore_trace'(_582804, _582806))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_582804, _582806))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _581852), _582786, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_581852)
   Fail: (207) [system] atomic(_581852)
   Call: (207) [system] atom_chars(_581852, ['S'])
   Exit: (207) [system] atom_chars('S', ['S'])
^  Exit: (206) [user] classify_and_convert_charseq_(['S'], 'S')
   Call: (206) [system] integer('S')
   Fail: (206) [system] integer('S')
   Call: (206) [system] _536124='S'
   Exit: (206) [system] 'S'='S'
^  Exit: (205) [user] classify_and_convert_charseq(['S'], 'S')
^  Exit: (204) [user] read_symbolic(')', (0x55772f068e50), 'S', 'S')
^  Exit: (203) [user] cont_sexpr(')', (0x55772f068e50), 'S')
^  Call: (203) [user] read_list(')', (0x55772f068e50), _596802)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _598660)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x55772f068e50), _608254)
   Exit: (205) [system] get_char((0x55772f068e50), ' ')
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _610958)
   Exit: (206) [system] peek_char((0x55772f068e50), 'Z')
   Call: (206) [system] 'Z'=(;)
   Fail: (206) [system] 'Z'=(;)
   Call: (206) [system] 'Z'=(/)
   Fail: (206) [system] 'Z'=(/)
^  Call: (206) [user] is_like_space('Z')
   Call: (207) [system] char_type('Z', 'white')
   Fail: (207) [system] char_type('Z', 'white')
   Call: (207) [system] char_type('Z', end_of_line)
   Fail: (207) [system] char_type('Z', end_of_line)
   Call: (207) [system] char_type('Z', space)
   Fail: (207) [system] char_type('Z', space)
   Call: (207) [system] char_type('Z', cntrl)
   Fail: (207) [system] char_type('Z', cntrl)
^  Fail: (206) [user] is_like_space('Z')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _627892)
   Exit: (204) [system] peek_char((0x55772f068e50), 'Z')
   Call: (204) [system] 'Z'=')'
   Fail: (204) [system] 'Z'=')'
   Call: (204) [system] 'Z'=end_of_file
   Fail: (204) [system] 'Z'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x55772f068e50), _633462)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _635320)
   Exit: (206) [system] peek_char((0x55772f068e50), 'Z')
   Call: (206) [system] 'Z'=(;)
   Fail: (206) [system] 'Z'=(;)
   Call: (206) [system] 'Z'=(/)
   Fail: (206) [system] 'Z'=(/)
^  Call: (206) [user] is_like_space('Z')
   Call: (207) [system] char_type('Z', 'white')
   Fail: (207) [system] char_type('Z', 'white')
   Call: (207) [system] char_type('Z', end_of_line)
   Fail: (207) [system] char_type('Z', end_of_line)
   Call: (207) [system] char_type('Z', space)
   Fail: (207) [system] char_type('Z', space)
   Call: (207) [system] char_type('Z', cntrl)
   Fail: (207) [system] char_type('Z', cntrl)
^  Fail: (206) [user] is_like_space('Z')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] get_char((0x55772f068e50), _651330)
   Exit: (205) [system] get_char((0x55772f068e50), 'Z')
   Call: (205) [system] 'Z'='('
   Fail: (205) [system] 'Z'='('
   Call: (205) [system] 'Z'='['
   Fail: (205) [system] 'Z'='['
   Call: (205) [system] 'Z'='{'
   Fail: (205) [system] 'Z'='{'
   Call: (205) [system] 'Z'='"'
   Fail: (205) [system] 'Z'='"'
   Call: (205) [system] 'Z'=!
   Fail: (205) [system] 'Z'=!
   Call: (205) [system] 'Z'='\''
   Fail: (205) [system] 'Z'='\''
   Call: (205) [system] 'Z'='`'
   Fail: (205) [system] 'Z'='`'
   Call: (205) [system] 'Z'=end_of_file
   Fail: (205) [system] 'Z'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x55772f068e50), 'Z', _633462)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _668972)
   Call: (207) [system] peek_char((0x55772f068e50), _669906)
   Exit: (207) [system] peek_char((0x55772f068e50), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_674626, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _668972=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (206) [user] classify_and_convert_charseq(['Z'], _633462)
^  Call: (207) [user] classify_and_convert_charseq_(['Z'], _681062)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_682014, _682016), once(user:catch(read_from_chars(['Z'], _681062), _681996, fail)), '$restore_trace'(_682014, _682016))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_682014, _682016))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['Z'], _681062), _681996, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_681062)
   Fail: (208) [system] atomic(_681062)
   Call: (208) [system] atom_chars(_681062, ['Z'])
   Exit: (208) [system] atom_chars('Z', ['Z'])
^  Exit: (207) [user] classify_and_convert_charseq_(['Z'], 'Z')
   Call: (207) [system] integer('Z')
   Fail: (207) [system] integer('Z')
   Call: (207) [system] _633462='Z'
   Exit: (207) [system] 'Z'='Z'
^  Exit: (206) [user] classify_and_convert_charseq(['Z'], 'Z')
^  Exit: (205) [user] read_symbolic(')', (0x55772f068e50), 'Z', 'Z')
^  Exit: (204) [user] cont_sexpr(')', (0x55772f068e50), 'Z')
^  Call: (204) [user] read_list(')', (0x55772f068e50), _696012)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _697870)
   Exit: (206) [system] peek_char((0x55772f068e50), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
   Call: (206) [system] ')'=(/)
   Fail: (206) [system] ')'=(/)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _713880)
   Exit: (205) [system] peek_char((0x55772f068e50), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x55772f068e50), _717670)
   Exit: (205) [system] get_char((0x55772f068e50), ')')
   Call: (205) [system] _696012=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x55772f068e50), [])
   Call: (204) [system] _596802=['Z']
   Exit: (204) [system] ['Z']=['Z']
^  Exit: (203) [user] read_list(')', (0x55772f068e50), ['Z'])
   Call: (203) [system] _491106=['S', 'Z']
   Exit: (203) [system] ['S', 'Z']=['S', 'Z']
^  Exit: (202) [user] read_list(')', (0x55772f068e50), ['S', 'Z'])
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), ['S', 'Z'])
^  Call: (201) [user] read_list(')', (0x55772f068e50), _728758)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _730616)
   Exit: (203) [system] peek_char((0x55772f068e50), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _746626)
   Exit: (202) [system] peek_char((0x55772f068e50), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x55772f068e50), _750416)
   Exit: (202) [system] get_char((0x55772f068e50), ')')
   Call: (202) [system] _728758=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [])
   Call: (201) [system] _454446=[['S', 'Z']]
   Exit: (201) [system] [['S', 'Z']]=[['S', 'Z']]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [['S', 'Z']])
   Call: (200) [system] _348750=['S', ['S', 'Z']]
   Exit: (200) [system] ['S', ['S', 'Z']]=['S', ['S', 'Z']]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), ['S', ['S', 'Z']])
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), ['S', ['S', 'Z']])
^  Call: (198) [user] read_list(')', (0x55772f068e50), _761504)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _763362)
   Exit: (200) [system] peek_char((0x55772f068e50), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
   Call: (200) [system] ')'=(/)
   Fail: (200) [system] ')'=(/)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _779372)
   Exit: (199) [system] peek_char((0x55772f068e50), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x55772f068e50), _783162)
   Exit: (199) [system] get_char((0x55772f068e50), ')')
   Call: (199) [system] _761504=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [])
   Call: (198) [system] _312090=[['S', ['S', 'Z']]]
   Exit: (198) [system] [['S', ['S', 'Z']]]=[['S', ['S', 'Z']]]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [['S', ['S', 'Z']]])
   Call: (197) [system] _199892=[rb, ['S', ['S', 'Z']]]
   Exit: (197) [system] [rb, ['S', ['S', 'Z']]]=[rb, ['S', ['S', 'Z']]]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [rb, ['S', ['S', 'Z']]])
   Call: (196) [system] _87694=[kb, rb, ['S', ['S', 'Z']]]
   Exit: (196) [system] [kb, rb, ['S', ['S', 'Z']]]=[kb, rb, ['S', ['S', 'Z']]]
^  Exit: (195) [user] read_list(')', (0x55772f068e50), [kb, rb, ['S', ['S', 'Z']]])
   Call: (195) [system] _3404=[[:, _term, _type], kb, rb, ['S', ['S', 'Z']]]
   Exit: (195) [system] [[:, _term, _type], kb, rb, ['S', ['S', 'Z']]]=[[:, _term, _type], kb, rb, ['S', ['S', 'Z']]]
^  Exit: (194) [user] read_list(')', (0x55772f068e50), [[:, _term, _type], kb, rb, ['S', ['S', 'Z']]])
   Call: (194) [system] _3396=[synthesize, [:, _term, _type], kb, rb, ['S', ['S', 'Z']]]
   Exit: (194) [system] [synthesize, [:, _term, _type], kb, rb, ['S', ['S', 'Z']]]=[synthesize, [:, _term, _type], kb, rb, ['S', ['S', 'Z']]]
^  Exit: (193) [user] read_list(')', (0x55772f068e50), [synthesize, [:, _term, _type], kb, rb, ['S', ['S', 'Z']]])
^  Exit: (192) [user] cont_sexpr(')', (0x55772f068e50), [synthesize, [:, _term, _type], kb, rb, ['S', ['S', 'Z']]])
^  Call: (192) [user] read_list(')', (0x55772f068e50), _802632)
^  Call: (193) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] peek_char((0x55772f068e50), _804490)
   Exit: (194) [system] peek_char((0x55772f068e50), '\n')
   Call: (194) [system] '\n'=(;)
   Fail: (194) [system] '\n'=(;)
   Call: (194) [system] '\n'=(/)
   Fail: (194) [system] '\n'=(/)
^  Call: (194) [user] is_like_space('\n')
   Call: (195) [system] char_type('\n', 'white')
   Fail: (195) [system] char_type('\n', 'white')
   Call: (195) [system] char_type('\n', end_of_line)
   Exit: (195) [system] char_type('\n', end_of_line)
^  Exit: (194) [user] is_like_space('\n')
   Call: (194) [system] get_char((0x55772f068e50), _815940)
   Exit: (194) [system] get_char((0x55772f068e50), '\n')
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _818644)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
^  Exit: (193) [user] skip_spaces((0x55772f068e50))
   Call: (193) [system] peek_char((0x55772f068e50), _835578)
   Exit: (193) [system] peek_char((0x55772f068e50), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x55772f068e50), _841148)
^  Call: (194) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _843006)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x55772f068e50))
   Call: (194) [system] get_char((0x55772f068e50), _859016)
   Exit: (194) [system] get_char((0x55772f068e50), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x55772f068e50), _841148)
^  Call: (195) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _864586)
   Exit: (196) [system] peek_char((0x55772f068e50), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x55772f068e50))
   Call: (195) [system] peek_char((0x55772f068e50), _880596)
   Exit: (195) [system] peek_char((0x55772f068e50), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x55772f068e50), _886166)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _888024)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] get_char((0x55772f068e50), _904034)
   Exit: (196) [system] get_char((0x55772f068e50), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x55772f068e50), _886166)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _909604)
   Exit: (198) [system] peek_char((0x55772f068e50), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
   Call: (198) [system] (:)=(/)
   Fail: (198) [system] (:)=(/)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _925614)
   Exit: (197) [system] peek_char((0x55772f068e50), :)
   Call: (197) [system] (:)=')'
   Fail: (197) [system] (:)=')'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _931184)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _933042)
   Exit: (199) [system] peek_char((0x55772f068e50), :)
   Call: (199) [system] (:)=(;)
   Fail: (199) [system] (:)=(;)
   Call: (199) [system] (:)=(/)
   Fail: (199) [system] (:)=(/)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Fail: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Fail: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
   Fail: (200) [system] char_type(:, cntrl)
^  Fail: (199) [user] is_like_space(:)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _949052)
   Exit: (198) [system] get_char((0x55772f068e50), :)
   Call: (198) [system] (:)='('
   Fail: (198) [system] (:)='('
   Call: (198) [system] (:)='['
   Fail: (198) [system] (:)='['
   Call: (198) [system] (:)='{'
   Fail: (198) [system] (:)='{'
   Call: (198) [system] (:)='"'
   Fail: (198) [system] (:)='"'
   Call: (198) [system] (:)=!
   Fail: (198) [system] (:)=!
   Call: (198) [system] (:)='\''
   Fail: (198) [system] (:)='\''
   Call: (198) [system] (:)='`'
   Fail: (198) [system] (:)='`'
   Call: (198) [system] (:)=end_of_file
   Fail: (198) [system] (:)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x55772f068e50), :, _931184)
^  Call: (199) [user] read_symbolic_cont(')', (0x55772f068e50), _966694)
   Call: (200) [system] peek_char((0x55772f068e50), _967628)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _966694=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (199) [user] classify_and_convert_charseq([:], _931184)
^  Call: (200) [user] classify_and_convert_charseq_([:], _976912)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_977864, _977866), once(user:catch(read_from_chars([:], _976912), _977846, fail)), '$restore_trace'(_977864, _977866))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_977864, _977866))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _977846, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(:)
   Exit: (201) [system] atomic(:)
^  Exit: (200) [user] classify_and_convert_charseq_([:], :)
   Call: (200) [system] integer(:)
   Fail: (200) [system] integer(:)
   Call: (200) [system] _931184=(:)
   Exit: (200) [system] (:)=(:)
^  Exit: (199) [user] classify_and_convert_charseq([:], :)
^  Exit: (198) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (197) [user] read_list(')', (0x55772f068e50), _989992)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _991850)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _1001444)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1004148)
   Exit: (200) [system] peek_char((0x55772f068e50), a)
   Call: (200) [system] a=(;)
   Fail: (200) [system] a=(;)
   Call: (200) [system] a=(/)
   Fail: (200) [system] a=(/)
^  Call: (200) [user] is_like_space(a)
   Call: (201) [system] char_type(a, 'white')
   Fail: (201) [system] char_type(a, 'white')
   Call: (201) [system] char_type(a, end_of_line)
   Fail: (201) [system] char_type(a, end_of_line)
   Call: (201) [system] char_type(a, space)
   Fail: (201) [system] char_type(a, space)
   Call: (201) [system] char_type(a, cntrl)
   Fail: (201) [system] char_type(a, cntrl)
^  Fail: (200) [user] is_like_space(a)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1021082)
   Exit: (198) [system] peek_char((0x55772f068e50), a)
   Call: (198) [system] a=')'
   Fail: (198) [system] a=')'
   Call: (198) [system] a=end_of_file
   Fail: (198) [system] a=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _1026652)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1028510)
   Exit: (200) [system] peek_char((0x55772f068e50), a)
   Call: (200) [system] a=(;)
   Fail: (200) [system] a=(;)
   Call: (200) [system] a=(/)
   Fail: (200) [system] a=(/)
^  Call: (200) [user] is_like_space(a)
   Call: (201) [system] char_type(a, 'white')
   Fail: (201) [system] char_type(a, 'white')
   Call: (201) [system] char_type(a, end_of_line)
   Fail: (201) [system] char_type(a, end_of_line)
   Call: (201) [system] char_type(a, space)
   Fail: (201) [system] char_type(a, space)
   Call: (201) [system] char_type(a, cntrl)
   Fail: (201) [system] char_type(a, cntrl)
^  Fail: (200) [user] is_like_space(a)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _1044520)
   Exit: (199) [system] get_char((0x55772f068e50), a)
   Call: (199) [system] a='('
   Fail: (199) [system] a='('
   Call: (199) [system] a='['
   Fail: (199) [system] a='['
   Call: (199) [system] a='{'
   Fail: (199) [system] a='{'
   Call: (199) [system] a='"'
   Fail: (199) [system] a='"'
   Call: (199) [system] a=!
   Fail: (199) [system] a=!
   Call: (199) [system] a='\''
   Fail: (199) [system] a='\''
   Call: (199) [system] a='`'
   Fail: (199) [system] a='`'
   Call: (199) [system] a=end_of_file
   Fail: (199) [system] a=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x55772f068e50), a, _1026652)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _1062162)
   Call: (201) [system] peek_char((0x55772f068e50), _1063096)
   Exit: (201) [system] peek_char((0x55772f068e50), b)
^  Call: (201) [user] is_delimiter(b)
   Call: (202) [system] char_type(b, space)
   Fail: (202) [system] char_type(b, space)
   Call: (202) [system] arg(_1067816, v('(', ')', end_of_file), b)
   Fail: (202) [system] arg(_1068748, v('(', ')', end_of_file), b)
^  Fail: (201) [user] is_delimiter(b)
   Call: (201) [system] ')'==b
   Fail: (201) [system] ')'==b
   Call: (201) [system] get_char((0x55772f068e50), b)
   Exit: (201) [system] get_char((0x55772f068e50), b)
   Call: (201) [system] b=(\)
   Fail: (201) [system] b=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _1076098)
   Call: (202) [system] peek_char((0x55772f068e50), _1077032)
   Exit: (202) [system] peek_char((0x55772f068e50), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_1081752, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_1082684, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x55772f068e50), c)
   Exit: (202) [system] get_char((0x55772f068e50), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1090034)
   Call: (203) [system] peek_char((0x55772f068e50), _1090968)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1090034=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (202) [system] _1076098=[c]
   Exit: (202) [system] [c]=[c]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (201) [system] _1062162=[b, c]
   Exit: (201) [system] [b, c]=[b, c]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (200) [user] classify_and_convert_charseq([a, b, c], _1026652)
^  Call: (201) [user] classify_and_convert_charseq_([a, b, c], _1105840)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1106792, _1106794), once(user:catch(read_from_chars([a, b, c], _1105840), _1106774, fail)), '$restore_trace'(_1106792, _1106794))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1106792, _1106794))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1106774, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(abc)
   Exit: (202) [system] atomic(abc)
^  Exit: (201) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (201) [system] integer(abc)
   Fail: (201) [system] integer(abc)
   Call: (201) [system] _1026652=abc
   Exit: (201) [system] abc=abc
^  Exit: (200) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (199) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (198) [user] read_list(')', (0x55772f068e50), _1118920)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1120778)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _1130372)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1133076)
   Exit: (201) [system] peek_char((0x55772f068e50), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1150010)
   Exit: (199) [system] peek_char((0x55772f068e50), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _1155580)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1157438)
   Exit: (201) [system] peek_char((0x55772f068e50), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _1173448)
   Exit: (200) [system] get_char((0x55772f068e50), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x55772f068e50), _1155580)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1179018)
   Exit: (202) [system] peek_char((0x55772f068e50), 'I')
   Call: (202) [system] 'I'=(;)
   Fail: (202) [system] 'I'=(;)
   Call: (202) [system] 'I'=(/)
   Fail: (202) [system] 'I'=(/)
^  Call: (202) [user] is_like_space('I')
   Call: (203) [system] char_type('I', 'white')
   Fail: (203) [system] char_type('I', 'white')
   Call: (203) [system] char_type('I', end_of_line)
   Fail: (203) [system] char_type('I', end_of_line)
   Call: (203) [system] char_type('I', space)
   Fail: (203) [system] char_type('I', space)
   Call: (203) [system] char_type('I', cntrl)
   Fail: (203) [system] char_type('I', cntrl)
^  Fail: (202) [user] is_like_space('I')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1195028)
   Exit: (201) [system] peek_char((0x55772f068e50), 'I')
   Call: (201) [system] 'I'=')'
   Fail: (201) [system] 'I'=')'
   Call: (201) [system] 'I'=end_of_file
   Fail: (201) [system] 'I'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _1200598)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1202456)
   Exit: (203) [system] peek_char((0x55772f068e50), 'I')
   Call: (203) [system] 'I'=(;)
   Fail: (203) [system] 'I'=(;)
   Call: (203) [system] 'I'=(/)
   Fail: (203) [system] 'I'=(/)
^  Call: (203) [user] is_like_space('I')
   Call: (204) [system] char_type('I', 'white')
   Fail: (204) [system] char_type('I', 'white')
   Call: (204) [system] char_type('I', end_of_line)
   Fail: (204) [system] char_type('I', end_of_line)
   Call: (204) [system] char_type('I', space)
   Fail: (204) [system] char_type('I', space)
   Call: (204) [system] char_type('I', cntrl)
   Fail: (204) [system] char_type('I', cntrl)
^  Fail: (203) [user] is_like_space('I')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _1218466)
   Exit: (202) [system] get_char((0x55772f068e50), 'I')
   Call: (202) [system] 'I'='('
   Fail: (202) [system] 'I'='('
   Call: (202) [system] 'I'='['
   Fail: (202) [system] 'I'='['
   Call: (202) [system] 'I'='{'
   Fail: (202) [system] 'I'='{'
   Call: (202) [system] 'I'='"'
   Fail: (202) [system] 'I'='"'
   Call: (202) [system] 'I'=!
   Fail: (202) [system] 'I'=!
   Call: (202) [system] 'I'='\''
   Fail: (202) [system] 'I'='\''
   Call: (202) [system] 'I'='`'
   Fail: (202) [system] 'I'='`'
   Call: (202) [system] 'I'=end_of_file
   Fail: (202) [system] 'I'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), 'I', _1200598)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1236108)
   Call: (204) [system] peek_char((0x55772f068e50), _1237042)
   Exit: (204) [system] peek_char((0x55772f068e50), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_1241762, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_1242694, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x55772f068e50), m)
   Exit: (204) [system] get_char((0x55772f068e50), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1250044)
   Call: (205) [system] peek_char((0x55772f068e50), _1250978)
   Exit: (205) [system] peek_char((0x55772f068e50), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Fail: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_1255698, v('(', ')', end_of_file), p)
   Fail: (206) [system] arg(_1256630, v('(', ')', end_of_file), p)
^  Fail: (205) [user] is_delimiter(p)
   Call: (205) [system] ')'==p
   Fail: (205) [system] ')'==p
   Call: (205) [system] get_char((0x55772f068e50), p)
   Exit: (205) [system] get_char((0x55772f068e50), p)
   Call: (205) [system] p=(\)
   Fail: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1263980)
   Call: (206) [system] peek_char((0x55772f068e50), _1264914)
   Exit: (206) [system] peek_char((0x55772f068e50), l)
^  Call: (206) [user] is_delimiter(l)
   Call: (207) [system] char_type(l, space)
   Fail: (207) [system] char_type(l, space)
   Call: (207) [system] arg(_1269634, v('(', ')', end_of_file), l)
   Fail: (207) [system] arg(_1270566, v('(', ')', end_of_file), l)
^  Fail: (206) [user] is_delimiter(l)
   Call: (206) [system] ')'==l
   Fail: (206) [system] ')'==l
   Call: (206) [system] get_char((0x55772f068e50), l)
   Exit: (206) [system] get_char((0x55772f068e50), l)
   Call: (206) [system] l=(\)
   Fail: (206) [system] l=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1277916)
   Call: (207) [system] peek_char((0x55772f068e50), _1278850)
   Exit: (207) [system] peek_char((0x55772f068e50), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1283570, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_1284502, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x55772f068e50), i)
   Exit: (207) [system] get_char((0x55772f068e50), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1291852)
   Call: (208) [system] peek_char((0x55772f068e50), _1292786)
   Exit: (208) [system] peek_char((0x55772f068e50), c)
^  Call: (208) [user] is_delimiter(c)
   Call: (209) [system] char_type(c, space)
   Fail: (209) [system] char_type(c, space)
   Call: (209) [system] arg(_1297506, v('(', ')', end_of_file), c)
   Fail: (209) [system] arg(_1298438, v('(', ')', end_of_file), c)
^  Fail: (208) [user] is_delimiter(c)
   Call: (208) [system] ')'==c
   Fail: (208) [system] ')'==c
   Call: (208) [system] get_char((0x55772f068e50), c)
   Exit: (208) [system] get_char((0x55772f068e50), c)
   Call: (208) [system] c=(\)
   Fail: (208) [system] c=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1305788)
   Call: (209) [system] peek_char((0x55772f068e50), _1306722)
   Exit: (209) [system] peek_char((0x55772f068e50), a)
^  Call: (209) [user] is_delimiter(a)
   Call: (210) [system] char_type(a, space)
   Fail: (210) [system] char_type(a, space)
   Call: (210) [system] arg(_1311442, v('(', ')', end_of_file), a)
   Fail: (210) [system] arg(_1312374, v('(', ')', end_of_file), a)
^  Fail: (209) [user] is_delimiter(a)
   Call: (209) [system] ')'==a
   Fail: (209) [system] ')'==a
   Call: (209) [system] get_char((0x55772f068e50), a)
   Exit: (209) [system] get_char((0x55772f068e50), a)
   Call: (209) [system] a=(\)
   Fail: (209) [system] a=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1319724)
   Call: (210) [system] peek_char((0x55772f068e50), _1320658)
   Exit: (210) [system] peek_char((0x55772f068e50), t)
^  Call: (210) [user] is_delimiter(t)
   Call: (211) [system] char_type(t, space)
   Fail: (211) [system] char_type(t, space)
   Call: (211) [system] arg(_1325378, v('(', ')', end_of_file), t)
   Fail: (211) [system] arg(_1326310, v('(', ')', end_of_file), t)
^  Fail: (210) [user] is_delimiter(t)
   Call: (210) [system] ')'==t
   Fail: (210) [system] ')'==t
   Call: (210) [system] get_char((0x55772f068e50), t)
   Exit: (210) [system] get_char((0x55772f068e50), t)
   Call: (210) [system] t=(\)
   Fail: (210) [system] t=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1333660)
   Call: (211) [system] peek_char((0x55772f068e50), _1334594)
   Exit: (211) [system] peek_char((0x55772f068e50), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_1339314, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_1340246, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x55772f068e50), i)
   Exit: (211) [system] get_char((0x55772f068e50), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1347596)
   Call: (212) [system] peek_char((0x55772f068e50), _1348530)
   Exit: (212) [system] peek_char((0x55772f068e50), o)
^  Call: (212) [user] is_delimiter(o)
   Call: (213) [system] char_type(o, space)
   Fail: (213) [system] char_type(o, space)
   Call: (213) [system] arg(_1353250, v('(', ')', end_of_file), o)
   Fail: (213) [system] arg(_1354182, v('(', ')', end_of_file), o)
^  Fail: (212) [user] is_delimiter(o)
   Call: (212) [system] ')'==o
   Fail: (212) [system] ')'==o
   Call: (212) [system] get_char((0x55772f068e50), o)
   Exit: (212) [system] get_char((0x55772f068e50), o)
   Call: (212) [system] o=(\)
   Fail: (212) [system] o=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1361532)
   Call: (213) [system] peek_char((0x55772f068e50), _1362466)
   Exit: (213) [system] peek_char((0x55772f068e50), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1367186, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_1368118, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x55772f068e50), n)
   Exit: (213) [system] get_char((0x55772f068e50), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1375468)
   Call: (214) [system] peek_char((0x55772f068e50), _1376402)
   Exit: (214) [system] peek_char((0x55772f068e50), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _1375468=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (213) [system] _1361532=[n]
   Exit: (213) [system] [n]=[n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (212) [system] _1347596=[o, n]
   Exit: (212) [system] [o, n]=[o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (211) [system] _1333660=[i, o, n]
   Exit: (211) [system] [i, o, n]=[i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (210) [system] _1319724=[t, i, o, n]
   Exit: (210) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (209) [system] _1305788=[a, t, i, o, n]
   Exit: (209) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (208) [system] _1291852=[c, a, t, i, o, n]
   Exit: (208) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (207) [system] _1277916=[i, c, a, t, i, o, n]
   Exit: (207) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (206) [system] _1263980=[l, i, c, a, t, i, o, n]
   Exit: (206) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (205) [system] _1250044=[p, l, i, c, a, t, i, o, n]
   Exit: (205) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (204) [system] _1236108=[m, p, l, i, c, a, t, i, o, n]
   Exit: (204) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (203) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1200598)
^  Call: (204) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1413626)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1414578, _1414580), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1413626), _1414560, fail)), '$restore_trace'(_1414578, _1414580))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1414578, _1414580))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1413626), _1414560, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_1413626)
   Fail: (205) [system] atomic(_1413626)
   Call: (205) [system] atom_chars(_1413626, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (205) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (204) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (204) [system] integer('Implication')
   Fail: (204) [system] integer('Implication')
   Call: (204) [system] _1200598='Implication'
   Exit: (204) [system] 'Implication'='Implication'
^  Exit: (203) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (201) [user] read_list(')', (0x55772f068e50), _1428576)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1430434)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _1440028)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1442732)
   Exit: (204) [system] peek_char((0x55772f068e50), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1459666)
   Exit: (202) [system] peek_char((0x55772f068e50), '(')
   Call: (202) [system] '('=')'
   Fail: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
   Fail: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x55772f068e50), _1465236)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1467094)
   Exit: (204) [system] peek_char((0x55772f068e50), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] get_char((0x55772f068e50), _1483104)
   Exit: (203) [system] get_char((0x55772f068e50), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x55772f068e50), _1465236)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1488674)
   Exit: (205) [system] peek_char((0x55772f068e50), 'A')
   Call: (205) [system] 'A'=(;)
   Fail: (205) [system] 'A'=(;)
   Call: (205) [system] 'A'=(/)
   Fail: (205) [system] 'A'=(/)
^  Call: (205) [user] is_like_space('A')
   Call: (206) [system] char_type('A', 'white')
   Fail: (206) [system] char_type('A', 'white')
   Call: (206) [system] char_type('A', end_of_line)
   Fail: (206) [system] char_type('A', end_of_line)
   Call: (206) [system] char_type('A', space)
   Fail: (206) [system] char_type('A', space)
   Call: (206) [system] char_type('A', cntrl)
   Fail: (206) [system] char_type('A', cntrl)
^  Fail: (205) [user] is_like_space('A')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1504684)
   Exit: (204) [system] peek_char((0x55772f068e50), 'A')
   Call: (204) [system] 'A'=')'
   Fail: (204) [system] 'A'=')'
   Call: (204) [system] 'A'=end_of_file
   Fail: (204) [system] 'A'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x55772f068e50), _1510254)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1512112)
   Exit: (206) [system] peek_char((0x55772f068e50), 'A')
   Call: (206) [system] 'A'=(;)
   Fail: (206) [system] 'A'=(;)
   Call: (206) [system] 'A'=(/)
   Fail: (206) [system] 'A'=(/)
^  Call: (206) [user] is_like_space('A')
   Call: (207) [system] char_type('A', 'white')
   Fail: (207) [system] char_type('A', 'white')
   Call: (207) [system] char_type('A', end_of_line)
   Fail: (207) [system] char_type('A', end_of_line)
   Call: (207) [system] char_type('A', space)
   Fail: (207) [system] char_type('A', space)
   Call: (207) [system] char_type('A', cntrl)
   Fail: (207) [system] char_type('A', cntrl)
^  Fail: (206) [user] is_like_space('A')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] get_char((0x55772f068e50), _1528122)
   Exit: (205) [system] get_char((0x55772f068e50), 'A')
   Call: (205) [system] 'A'='('
   Fail: (205) [system] 'A'='('
   Call: (205) [system] 'A'='['
   Fail: (205) [system] 'A'='['
   Call: (205) [system] 'A'='{'
   Fail: (205) [system] 'A'='{'
   Call: (205) [system] 'A'='"'
   Fail: (205) [system] 'A'='"'
   Call: (205) [system] 'A'=!
   Fail: (205) [system] 'A'=!
   Call: (205) [system] 'A'='\''
   Fail: (205) [system] 'A'='\''
   Call: (205) [system] 'A'='`'
   Fail: (205) [system] 'A'='`'
   Call: (205) [system] 'A'=end_of_file
   Fail: (205) [system] 'A'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x55772f068e50), 'A', _1510254)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _1545764)
   Call: (207) [system] peek_char((0x55772f068e50), _1546698)
   Exit: (207) [system] peek_char((0x55772f068e50), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_1551418, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_1552350, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x55772f068e50), n)
   Exit: (207) [system] get_char((0x55772f068e50), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1559700)
   Call: (208) [system] peek_char((0x55772f068e50), _1560634)
   Exit: (208) [system] peek_char((0x55772f068e50), d)
^  Call: (208) [user] is_delimiter(d)
   Call: (209) [system] char_type(d, space)
   Fail: (209) [system] char_type(d, space)
   Call: (209) [system] arg(_1565354, v('(', ')', end_of_file), d)
   Fail: (209) [system] arg(_1566286, v('(', ')', end_of_file), d)
^  Fail: (208) [user] is_delimiter(d)
   Call: (208) [system] ')'==d
   Fail: (208) [system] ')'==d
   Call: (208) [system] get_char((0x55772f068e50), d)
   Exit: (208) [system] get_char((0x55772f068e50), d)
   Call: (208) [system] d=(\)
   Fail: (208) [system] d=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1573636)
   Call: (209) [system] peek_char((0x55772f068e50), _1574570)
   Exit: (209) [system] peek_char((0x55772f068e50), 'L')
^  Call: (209) [user] is_delimiter('L')
   Call: (210) [system] char_type('L', space)
   Fail: (210) [system] char_type('L', space)
   Call: (210) [system] arg(_1579290, v('(', ')', end_of_file), 'L')
   Fail: (210) [system] arg(_1580222, v('(', ')', end_of_file), 'L')
^  Fail: (209) [user] is_delimiter('L')
   Call: (209) [system] ')'=='L'
   Fail: (209) [system] ')'=='L'
   Call: (209) [system] get_char((0x55772f068e50), 'L')
   Exit: (209) [system] get_char((0x55772f068e50), 'L')
   Call: (209) [system] 'L'=(\)
   Fail: (209) [system] 'L'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1587572)
   Call: (210) [system] peek_char((0x55772f068e50), _1588506)
   Exit: (210) [system] peek_char((0x55772f068e50), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_1593226, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_1594158, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x55772f068e50), i)
   Exit: (210) [system] get_char((0x55772f068e50), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1601508)
   Call: (211) [system] peek_char((0x55772f068e50), _1602442)
   Exit: (211) [system] peek_char((0x55772f068e50), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_1607162, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_1608094, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x55772f068e50), n)
   Exit: (211) [system] get_char((0x55772f068e50), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1615444)
   Call: (212) [system] peek_char((0x55772f068e50), _1616378)
   Exit: (212) [system] peek_char((0x55772f068e50), k)
^  Call: (212) [user] is_delimiter(k)
   Call: (213) [system] char_type(k, space)
   Fail: (213) [system] char_type(k, space)
   Call: (213) [system] arg(_1621098, v('(', ')', end_of_file), k)
   Fail: (213) [system] arg(_1622030, v('(', ')', end_of_file), k)
^  Fail: (212) [user] is_delimiter(k)
   Call: (212) [system] ')'==k
   Fail: (212) [system] ')'==k
   Call: (212) [system] get_char((0x55772f068e50), k)
   Exit: (212) [system] get_char((0x55772f068e50), k)
   Call: (212) [system] k=(\)
   Fail: (212) [system] k=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1629380)
   Call: (213) [system] peek_char((0x55772f068e50), _1630314)
   Exit: (213) [system] peek_char((0x55772f068e50), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _1629380=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (212) [system] _1615444=[k]
   Exit: (212) [system] [k]=[k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (211) [system] _1601508=[n, k]
   Exit: (211) [system] [n, k]=[n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (210) [system] _1587572=[i, n, k]
   Exit: (210) [system] [i, n, k]=[i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (209) [system] _1573636=['L', i, n, k]
   Exit: (209) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (208) [system] _1559700=[d, 'L', i, n, k]
   Exit: (208) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (207) [system] _1545764=[n, d, 'L', i, n, k]
   Exit: (207) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (206) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1510254)
^  Call: (207) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1656362)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1657314, _1657316), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1656362), _1657296, fail)), '$restore_trace'(_1657314, _1657316))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1657314, _1657316))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1656362), _1657296, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_1656362)
   Fail: (208) [system] atomic(_1656362)
   Call: (208) [system] atom_chars(_1656362, ['A', n, d, 'L', i, n, k])
   Exit: (208) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (207) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (207) [system] integer('AndLink')
   Fail: (207) [system] integer('AndLink')
   Call: (207) [system] _1510254='AndLink'
   Exit: (207) [system] 'AndLink'='AndLink'
^  Exit: (206) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (205) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (204) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (204) [user] read_list(')', (0x55772f068e50), _1671312)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1673170)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x55772f068e50), _1682764)
   Exit: (206) [system] get_char((0x55772f068e50), ' ')
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1685468)
   Exit: (207) [system] peek_char((0x55772f068e50), 'A')
   Call: (207) [system] 'A'=(;)
   Fail: (207) [system] 'A'=(;)
   Call: (207) [system] 'A'=(/)
   Fail: (207) [system] 'A'=(/)
^  Call: (207) [user] is_like_space('A')
   Call: (208) [system] char_type('A', 'white')
   Fail: (208) [system] char_type('A', 'white')
   Call: (208) [system] char_type('A', end_of_line)
   Fail: (208) [system] char_type('A', end_of_line)
   Call: (208) [system] char_type('A', space)
   Fail: (208) [system] char_type('A', space)
   Call: (208) [system] char_type('A', cntrl)
   Fail: (208) [system] char_type('A', cntrl)
^  Fail: (207) [user] is_like_space('A')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1702402)
   Exit: (205) [system] peek_char((0x55772f068e50), 'A')
   Call: (205) [system] 'A'=')'
   Fail: (205) [system] 'A'=')'
   Call: (205) [system] 'A'=end_of_file
   Fail: (205) [system] 'A'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x55772f068e50), _1707972)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1709830)
   Exit: (207) [system] peek_char((0x55772f068e50), 'A')
   Call: (207) [system] 'A'=(;)
   Fail: (207) [system] 'A'=(;)
   Call: (207) [system] 'A'=(/)
   Fail: (207) [system] 'A'=(/)
^  Call: (207) [user] is_like_space('A')
   Call: (208) [system] char_type('A', 'white')
   Fail: (208) [system] char_type('A', 'white')
   Call: (208) [system] char_type('A', end_of_line)
   Fail: (208) [system] char_type('A', end_of_line)
   Call: (208) [system] char_type('A', space)
   Fail: (208) [system] char_type('A', space)
   Call: (208) [system] char_type('A', cntrl)
   Fail: (208) [system] char_type('A', cntrl)
^  Fail: (207) [user] is_like_space('A')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] get_char((0x55772f068e50), _1725840)
   Exit: (206) [system] get_char((0x55772f068e50), 'A')
   Call: (206) [system] 'A'='('
   Fail: (206) [system] 'A'='('
   Call: (206) [system] 'A'='['
   Fail: (206) [system] 'A'='['
   Call: (206) [system] 'A'='{'
   Fail: (206) [system] 'A'='{'
   Call: (206) [system] 'A'='"'
   Fail: (206) [system] 'A'='"'
   Call: (206) [system] 'A'=!
   Fail: (206) [system] 'A'=!
   Call: (206) [system] 'A'='\''
   Fail: (206) [system] 'A'='\''
   Call: (206) [system] 'A'='`'
   Fail: (206) [system] 'A'='`'
   Call: (206) [system] 'A'=end_of_file
   Fail: (206) [system] 'A'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x55772f068e50), 'A', _1707972)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1743482)
   Call: (208) [system] peek_char((0x55772f068e50), _1744416)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1743482=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (207) [user] classify_and_convert_charseq(['A'], _1707972)
^  Call: (208) [user] classify_and_convert_charseq_(['A'], _1753700)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1754652, _1754654), once(user:catch(read_from_chars(['A'], _1753700), _1754634, fail)), '$restore_trace'(_1754652, _1754654))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1754652, _1754654))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1753700), _1754634, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_1753700)
   Fail: (209) [system] atomic(_1753700)
   Call: (209) [system] atom_chars(_1753700, ['A'])
   Exit: (209) [system] atom_chars('A', ['A'])
^  Exit: (208) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (208) [system] integer('A')
   Fail: (208) [system] integer('A')
   Call: (208) [system] _1707972='A'
   Exit: (208) [system] 'A'='A'
^  Exit: (207) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (206) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (205) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (205) [user] read_list(')', (0x55772f068e50), _1768650)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1770508)
   Exit: (207) [system] peek_char((0x55772f068e50), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x55772f068e50), _1780102)
   Exit: (207) [system] get_char((0x55772f068e50), ' ')
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1782806)
   Exit: (208) [system] peek_char((0x55772f068e50), 'B')
   Call: (208) [system] 'B'=(;)
   Fail: (208) [system] 'B'=(;)
   Call: (208) [system] 'B'=(/)
   Fail: (208) [system] 'B'=(/)
^  Call: (208) [user] is_like_space('B')
   Call: (209) [system] char_type('B', 'white')
   Fail: (209) [system] char_type('B', 'white')
   Call: (209) [system] char_type('B', end_of_line)
   Fail: (209) [system] char_type('B', end_of_line)
   Call: (209) [system] char_type('B', space)
   Fail: (209) [system] char_type('B', space)
   Call: (209) [system] char_type('B', cntrl)
   Fail: (209) [system] char_type('B', cntrl)
^  Fail: (208) [user] is_like_space('B')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1799740)
   Exit: (206) [system] peek_char((0x55772f068e50), 'B')
   Call: (206) [system] 'B'=')'
   Fail: (206) [system] 'B'=')'
   Call: (206) [system] 'B'=end_of_file
   Fail: (206) [system] 'B'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x55772f068e50), _1805310)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1807168)
   Exit: (208) [system] peek_char((0x55772f068e50), 'B')
   Call: (208) [system] 'B'=(;)
   Fail: (208) [system] 'B'=(;)
   Call: (208) [system] 'B'=(/)
   Fail: (208) [system] 'B'=(/)
^  Call: (208) [user] is_like_space('B')
   Call: (209) [system] char_type('B', 'white')
   Fail: (209) [system] char_type('B', 'white')
   Call: (209) [system] char_type('B', end_of_line)
   Fail: (209) [system] char_type('B', end_of_line)
   Call: (209) [system] char_type('B', space)
   Fail: (209) [system] char_type('B', space)
   Call: (209) [system] char_type('B', cntrl)
   Fail: (209) [system] char_type('B', cntrl)
^  Fail: (208) [user] is_like_space('B')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] get_char((0x55772f068e50), _1823178)
   Exit: (207) [system] get_char((0x55772f068e50), 'B')
   Call: (207) [system] 'B'='('
   Fail: (207) [system] 'B'='('
   Call: (207) [system] 'B'='['
   Fail: (207) [system] 'B'='['
   Call: (207) [system] 'B'='{'
   Fail: (207) [system] 'B'='{'
   Call: (207) [system] 'B'='"'
   Fail: (207) [system] 'B'='"'
   Call: (207) [system] 'B'=!
   Fail: (207) [system] 'B'=!
   Call: (207) [system] 'B'='\''
   Fail: (207) [system] 'B'='\''
   Call: (207) [system] 'B'='`'
   Fail: (207) [system] 'B'='`'
   Call: (207) [system] 'B'=end_of_file
   Fail: (207) [system] 'B'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x55772f068e50), 'B', _1805310)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1840820)
   Call: (209) [system] peek_char((0x55772f068e50), _1841754)
   Exit: (209) [system] peek_char((0x55772f068e50), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_1846474, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _1840820=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (208) [user] classify_and_convert_charseq(['B'], _1805310)
^  Call: (209) [user] classify_and_convert_charseq_(['B'], _1852910)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1853862, _1853864), once(user:catch(read_from_chars(['B'], _1852910), _1853844, fail)), '$restore_trace'(_1853862, _1853864))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1853862, _1853864))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1852910), _1853844, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_1852910)
   Fail: (210) [system] atomic(_1852910)
   Call: (210) [system] atom_chars(_1852910, ['B'])
   Exit: (210) [system] atom_chars('B', ['B'])
^  Exit: (209) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (209) [system] integer('B')
   Fail: (209) [system] integer('B')
   Call: (209) [system] _1805310='B'
   Exit: (209) [system] 'B'='B'
^  Exit: (208) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (207) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (206) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (206) [user] read_list(')', (0x55772f068e50), _1867860)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1869718)
   Exit: (208) [system] peek_char((0x55772f068e50), ')')
   Call: (208) [system] ')'=(;)
   Fail: (208) [system] ')'=(;)
   Call: (208) [system] ')'=(/)
   Fail: (208) [system] ')'=(/)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Fail: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Fail: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
   Fail: (209) [system] char_type(')', cntrl)
^  Fail: (208) [user] is_like_space(')')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1885728)
   Exit: (207) [system] peek_char((0x55772f068e50), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x55772f068e50), _1889518)
   Exit: (207) [system] get_char((0x55772f068e50), ')')
   Call: (207) [system] _1867860=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x55772f068e50), [])
   Call: (206) [system] _1768650=['B']
   Exit: (206) [system] ['B']=['B']
^  Exit: (205) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (205) [system] _1671312=['A', 'B']
   Exit: (205) [system] ['A', 'B']=['A', 'B']
^  Exit: (204) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (204) [system] _1465236=['AndLink', 'A', 'B']
   Exit: (204) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (203) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (202) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (202) [user] read_list(')', (0x55772f068e50), _1903400)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1905258)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x55772f068e50), _1914852)
   Exit: (204) [system] get_char((0x55772f068e50), ' ')
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1917556)
   Exit: (205) [system] peek_char((0x55772f068e50), 'C')
   Call: (205) [system] 'C'=(;)
   Fail: (205) [system] 'C'=(;)
   Call: (205) [system] 'C'=(/)
   Fail: (205) [system] 'C'=(/)
^  Call: (205) [user] is_like_space('C')
   Call: (206) [system] char_type('C', 'white')
   Fail: (206) [system] char_type('C', 'white')
   Call: (206) [system] char_type('C', end_of_line)
   Fail: (206) [system] char_type('C', end_of_line)
   Call: (206) [system] char_type('C', space)
   Fail: (206) [system] char_type('C', space)
   Call: (206) [system] char_type('C', cntrl)
   Fail: (206) [system] char_type('C', cntrl)
^  Fail: (205) [user] is_like_space('C')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1934490)
   Exit: (203) [system] peek_char((0x55772f068e50), 'C')
   Call: (203) [system] 'C'=')'
   Fail: (203) [system] 'C'=')'
   Call: (203) [system] 'C'=end_of_file
   Fail: (203) [system] 'C'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x55772f068e50), _1940060)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1941918)
   Exit: (205) [system] peek_char((0x55772f068e50), 'C')
   Call: (205) [system] 'C'=(;)
   Fail: (205) [system] 'C'=(;)
   Call: (205) [system] 'C'=(/)
   Fail: (205) [system] 'C'=(/)
^  Call: (205) [user] is_like_space('C')
   Call: (206) [system] char_type('C', 'white')
   Fail: (206) [system] char_type('C', 'white')
   Call: (206) [system] char_type('C', end_of_line)
   Fail: (206) [system] char_type('C', end_of_line)
   Call: (206) [system] char_type('C', space)
   Fail: (206) [system] char_type('C', space)
   Call: (206) [system] char_type('C', cntrl)
   Fail: (206) [system] char_type('C', cntrl)
^  Fail: (205) [user] is_like_space('C')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] get_char((0x55772f068e50), _1957928)
   Exit: (204) [system] get_char((0x55772f068e50), 'C')
   Call: (204) [system] 'C'='('
   Fail: (204) [system] 'C'='('
   Call: (204) [system] 'C'='['
   Fail: (204) [system] 'C'='['
   Call: (204) [system] 'C'='{'
   Fail: (204) [system] 'C'='{'
   Call: (204) [system] 'C'='"'
   Fail: (204) [system] 'C'='"'
   Call: (204) [system] 'C'=!
   Fail: (204) [system] 'C'=!
   Call: (204) [system] 'C'='\''
   Fail: (204) [system] 'C'='\''
   Call: (204) [system] 'C'='`'
   Fail: (204) [system] 'C'='`'
   Call: (204) [system] 'C'=end_of_file
   Fail: (204) [system] 'C'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x55772f068e50), 'C', _1940060)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1975570)
   Call: (206) [system] peek_char((0x55772f068e50), _1976504)
   Exit: (206) [system] peek_char((0x55772f068e50), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_1981224, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _1975570=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (205) [user] classify_and_convert_charseq(['C'], _1940060)
^  Call: (206) [user] classify_and_convert_charseq_(['C'], _1987660)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1988612, _1988614), once(user:catch(read_from_chars(['C'], _1987660), _1988594, fail)), '$restore_trace'(_1988612, _1988614))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1988612, _1988614))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1987660), _1988594, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_1987660)
   Fail: (207) [system] atomic(_1987660)
   Call: (207) [system] atom_chars(_1987660, ['C'])
   Exit: (207) [system] atom_chars('C', ['C'])
^  Exit: (206) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (206) [system] integer('C')
   Fail: (206) [system] integer('C')
   Call: (206) [system] _1940060='C'
   Exit: (206) [system] 'C'='C'
^  Exit: (205) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (204) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (203) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (203) [user] read_list(')', (0x55772f068e50), _2002610)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _2004468)
   Exit: (205) [system] peek_char((0x55772f068e50), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _2020478)
   Exit: (204) [system] peek_char((0x55772f068e50), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x55772f068e50), _2024268)
   Exit: (204) [system] get_char((0x55772f068e50), ')')
   Call: (204) [system] _2002610=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x55772f068e50), [])
   Call: (203) [system] _1903400=['C']
   Exit: (203) [system] ['C']=['C']
^  Exit: (202) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (202) [system] _1428576=[['AndLink', 'A', 'B'], 'C']
   Exit: (202) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (201) [system] _1155580=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (201) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (200) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (199) [user] read_list(')', (0x55772f068e50), _2038150)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _2040008)
   Exit: (201) [system] peek_char((0x55772f068e50), ')')
   Call: (201) [system] ')'=(;)
   Fail: (201) [system] ')'=(;)
   Call: (201) [system] ')'=(/)
   Fail: (201) [system] ')'=(/)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Fail: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Fail: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
   Fail: (202) [system] char_type(')', cntrl)
^  Fail: (201) [user] is_like_space(')')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _2056018)
   Exit: (200) [system] peek_char((0x55772f068e50), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x55772f068e50), _2059808)
   Exit: (200) [system] get_char((0x55772f068e50), ')')
   Call: (200) [system] _2038150=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [])
   Call: (199) [system] _1118920=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (199) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (198) [system] _989992=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (198) [system] [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (197) [system] _886166=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (197) [system] [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (196) [user] read_list(')', (0x55772f068e50), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (195) [user] cont_sexpr(')', (0x55772f068e50), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (195) [user] read_list(')', (0x55772f068e50), _2073690)
^  Call: (196) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _2075548)
   Exit: (197) [system] peek_char((0x55772f068e50), '\n')
   Call: (197) [system] '\n'=(;)
   Fail: (197) [system] '\n'=(;)
   Call: (197) [system] '\n'=(/)
   Fail: (197) [system] '\n'=(/)
^  Call: (197) [user] is_like_space('\n')
   Call: (198) [system] char_type('\n', 'white')
   Fail: (198) [system] char_type('\n', 'white')
   Call: (198) [system] char_type('\n', end_of_line)
   Exit: (198) [system] char_type('\n', end_of_line)
^  Exit: (197) [user] is_like_space('\n')
   Call: (197) [system] get_char((0x55772f068e50), _2086998)
   Exit: (197) [system] get_char((0x55772f068e50), '\n')
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _2089702)
   Exit: (198) [system] peek_char((0x55772f068e50), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x55772f068e50), _6074)
   Exit: (198) [system] get_char((0x55772f068e50), ' ')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _8778)
   Exit: (199) [system] peek_char((0x55772f068e50), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
^  Exit: (196) [user] skip_spaces((0x55772f068e50))
   Call: (196) [system] peek_char((0x55772f068e50), _26636)
   Exit: (196) [system] peek_char((0x55772f068e50), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x55772f068e50), _32206)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _34064)
   Exit: (198) [system] peek_char((0x55772f068e50), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] get_char((0x55772f068e50), _50074)
   Exit: (197) [system] get_char((0x55772f068e50), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x55772f068e50), _32206)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _55644)
   Exit: (199) [system] peek_char((0x55772f068e50), :)
   Call: (199) [system] (:)=(;)
   Fail: (199) [system] (:)=(;)
   Call: (199) [system] (:)=(/)
   Fail: (199) [system] (:)=(/)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Fail: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Fail: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
   Fail: (200) [system] char_type(:, cntrl)
^  Fail: (199) [user] is_like_space(:)
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _71654)
   Exit: (198) [system] peek_char((0x55772f068e50), :)
   Call: (198) [system] (:)=')'
   Fail: (198) [system] (:)=')'
   Call: (198) [system] (:)=end_of_file
   Fail: (198) [system] (:)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _77224)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _79082)
   Exit: (200) [system] peek_char((0x55772f068e50), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
   Call: (200) [system] (:)=(/)
   Fail: (200) [system] (:)=(/)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _95092)
   Exit: (199) [system] get_char((0x55772f068e50), :)
   Call: (199) [system] (:)='('
   Fail: (199) [system] (:)='('
   Call: (199) [system] (:)='['
   Fail: (199) [system] (:)='['
   Call: (199) [system] (:)='{'
   Fail: (199) [system] (:)='{'
   Call: (199) [system] (:)='"'
   Fail: (199) [system] (:)='"'
   Call: (199) [system] (:)=!
   Fail: (199) [system] (:)=!
   Call: (199) [system] (:)='\''
   Fail: (199) [system] (:)='\''
   Call: (199) [system] (:)='`'
   Fail: (199) [system] (:)='`'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x55772f068e50), :, _77224)
^  Call: (200) [user] read_symbolic_cont(')', (0x55772f068e50), _112734)
   Call: (201) [system] peek_char((0x55772f068e50), _113668)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _112734=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (200) [user] classify_and_convert_charseq([:], _77224)
^  Call: (201) [user] classify_and_convert_charseq_([:], _122952)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_123904, _123906), once(user:catch(read_from_chars([:], _122952), _123886, fail)), '$restore_trace'(_123904, _123906))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_123904, _123906))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _123886, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(:)
   Exit: (202) [system] atomic(:)
^  Exit: (201) [user] classify_and_convert_charseq_([:], :)
   Call: (201) [system] integer(:)
   Fail: (201) [system] integer(:)
   Call: (201) [system] _77224=(:)
   Exit: (201) [system] (:)=(:)
^  Exit: (200) [user] classify_and_convert_charseq([:], :)
^  Exit: (199) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (198) [user] read_list(')', (0x55772f068e50), _136032)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _137890)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _147484)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _150188)
   Exit: (201) [system] peek_char((0x55772f068e50), a)
   Call: (201) [system] a=(;)
   Fail: (201) [system] a=(;)
   Call: (201) [system] a=(/)
   Fail: (201) [system] a=(/)
^  Call: (201) [user] is_like_space(a)
   Call: (202) [system] char_type(a, 'white')
   Fail: (202) [system] char_type(a, 'white')
   Call: (202) [system] char_type(a, end_of_line)
   Fail: (202) [system] char_type(a, end_of_line)
   Call: (202) [system] char_type(a, space)
   Fail: (202) [system] char_type(a, space)
   Call: (202) [system] char_type(a, cntrl)
   Fail: (202) [system] char_type(a, cntrl)
^  Fail: (201) [user] is_like_space(a)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _167122)
   Exit: (199) [system] peek_char((0x55772f068e50), a)
   Call: (199) [system] a=')'
   Fail: (199) [system] a=')'
   Call: (199) [system] a=end_of_file
   Fail: (199) [system] a=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _172692)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _174550)
   Exit: (201) [system] peek_char((0x55772f068e50), a)
   Call: (201) [system] a=(;)
   Fail: (201) [system] a=(;)
   Call: (201) [system] a=(/)
   Fail: (201) [system] a=(/)
^  Call: (201) [user] is_like_space(a)
   Call: (202) [system] char_type(a, 'white')
   Fail: (202) [system] char_type(a, 'white')
   Call: (202) [system] char_type(a, end_of_line)
   Fail: (202) [system] char_type(a, end_of_line)
   Call: (202) [system] char_type(a, space)
   Fail: (202) [system] char_type(a, space)
   Call: (202) [system] char_type(a, cntrl)
   Fail: (202) [system] char_type(a, cntrl)
^  Fail: (201) [user] is_like_space(a)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _190560)
   Exit: (200) [system] get_char((0x55772f068e50), a)
   Call: (200) [system] a='('
   Fail: (200) [system] a='('
   Call: (200) [system] a='['
   Fail: (200) [system] a='['
   Call: (200) [system] a='{'
   Fail: (200) [system] a='{'
   Call: (200) [system] a='"'
   Fail: (200) [system] a='"'
   Call: (200) [system] a=!
   Fail: (200) [system] a=!
   Call: (200) [system] a='\''
   Fail: (200) [system] a='\''
   Call: (200) [system] a='`'
   Fail: (200) [system] a='`'
   Call: (200) [system] a=end_of_file
   Fail: (200) [system] a=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), a, _172692)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _208202)
   Call: (202) [system] peek_char((0x55772f068e50), _209136)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _208202=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (201) [user] classify_and_convert_charseq([a], _172692)
^  Call: (202) [user] classify_and_convert_charseq_([a], _218420)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_219372, _219374), once(user:catch(read_from_chars([a], _218420), _219354, fail)), '$restore_trace'(_219372, _219374))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_219372, _219374))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _219354, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(a)
   Exit: (203) [system] atomic(a)
^  Exit: (202) [user] classify_and_convert_charseq_([a], a)
   Call: (202) [system] integer(a)
   Fail: (202) [system] integer(a)
   Call: (202) [system] _172692=a
   Exit: (202) [system] a=a
^  Exit: (201) [user] classify_and_convert_charseq([a], a)
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (199) [user] read_list(')', (0x55772f068e50), _231500)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _233358)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _242952)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _245656)
   Exit: (202) [system] peek_char((0x55772f068e50), 'B')
   Call: (202) [system] 'B'=(;)
   Fail: (202) [system] 'B'=(;)
   Call: (202) [system] 'B'=(/)
   Fail: (202) [system] 'B'=(/)
^  Call: (202) [user] is_like_space('B')
   Call: (203) [system] char_type('B', 'white')
   Fail: (203) [system] char_type('B', 'white')
   Call: (203) [system] char_type('B', end_of_line)
   Fail: (203) [system] char_type('B', end_of_line)
   Call: (203) [system] char_type('B', space)
   Fail: (203) [system] char_type('B', space)
   Call: (203) [system] char_type('B', cntrl)
   Fail: (203) [system] char_type('B', cntrl)
^  Fail: (202) [user] is_like_space('B')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _262590)
   Exit: (200) [system] peek_char((0x55772f068e50), 'B')
   Call: (200) [system] 'B'=')'
   Fail: (200) [system] 'B'=')'
   Call: (200) [system] 'B'=end_of_file
   Fail: (200) [system] 'B'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _268160)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _270018)
   Exit: (202) [system] peek_char((0x55772f068e50), 'B')
   Call: (202) [system] 'B'=(;)
   Fail: (202) [system] 'B'=(;)
   Call: (202) [system] 'B'=(/)
   Fail: (202) [system] 'B'=(/)
^  Call: (202) [user] is_like_space('B')
   Call: (203) [system] char_type('B', 'white')
   Fail: (203) [system] char_type('B', 'white')
   Call: (203) [system] char_type('B', end_of_line)
   Fail: (203) [system] char_type('B', end_of_line)
   Call: (203) [system] char_type('B', space)
   Fail: (203) [system] char_type('B', space)
   Call: (203) [system] char_type('B', cntrl)
   Fail: (203) [system] char_type('B', cntrl)
^  Fail: (202) [user] is_like_space('B')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _286028)
   Exit: (201) [system] get_char((0x55772f068e50), 'B')
   Call: (201) [system] 'B'='('
   Fail: (201) [system] 'B'='('
   Call: (201) [system] 'B'='['
   Fail: (201) [system] 'B'='['
   Call: (201) [system] 'B'='{'
   Fail: (201) [system] 'B'='{'
   Call: (201) [system] 'B'='"'
   Fail: (201) [system] 'B'='"'
   Call: (201) [system] 'B'=!
   Fail: (201) [system] 'B'=!
   Call: (201) [system] 'B'='\''
   Fail: (201) [system] 'B'='\''
   Call: (201) [system] 'B'='`'
   Fail: (201) [system] 'B'='`'
   Call: (201) [system] 'B'=end_of_file
   Fail: (201) [system] 'B'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), 'B', _268160)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _303670)
   Call: (203) [system] peek_char((0x55772f068e50), _304604)
   Exit: (203) [system] peek_char((0x55772f068e50), ')')
^  Call: (203) [user] is_delimiter(')')
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] arg(_309324, v('(', ')', end_of_file), ')')
   Exit: (204) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (203) [user] is_delimiter(')')
   Call: (203) [system] _303670=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (202) [user] classify_and_convert_charseq(['B'], _268160)
^  Call: (203) [user] classify_and_convert_charseq_(['B'], _315760)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_316712, _316714), once(user:catch(read_from_chars(['B'], _315760), _316694, fail)), '$restore_trace'(_316712, _316714))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_316712, _316714))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _315760), _316694, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_315760)
   Fail: (204) [system] atomic(_315760)
   Call: (204) [system] atom_chars(_315760, ['B'])
   Exit: (204) [system] atom_chars('B', ['B'])
^  Exit: (203) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (203) [system] integer('B')
   Fail: (203) [system] integer('B')
   Call: (203) [system] _268160='B'
   Exit: (203) [system] 'B'='B'
^  Exit: (202) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (200) [user] read_list(')', (0x55772f068e50), _330710)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _332568)
   Exit: (202) [system] peek_char((0x55772f068e50), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _348578)
   Exit: (201) [system] peek_char((0x55772f068e50), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x55772f068e50), _352368)
   Exit: (201) [system] get_char((0x55772f068e50), ')')
   Call: (201) [system] _330710=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [])
   Call: (200) [system] _231500=['B']
   Exit: (200) [system] ['B']=['B']
^  Exit: (199) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (199) [system] _136032=[a, 'B']
   Exit: (199) [system] [a, 'B']=[a, 'B']
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [a, 'B'])
   Call: (198) [system] _32206=[:, a, 'B']
   Exit: (198) [system] [:, a, 'B']=[:, a, 'B']
^  Exit: (197) [user] read_list(')', (0x55772f068e50), [:, a, 'B'])
^  Exit: (196) [user] cont_sexpr(')', (0x55772f068e50), [:, a, 'B'])
^  Call: (196) [user] read_list(')', (0x55772f068e50), _366250)
^  Call: (197) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _368108)
   Exit: (198) [system] peek_char((0x55772f068e50), '\n')
   Call: (198) [system] '\n'=(;)
   Fail: (198) [system] '\n'=(;)
   Call: (198) [system] '\n'=(/)
   Fail: (198) [system] '\n'=(/)
^  Call: (198) [user] is_like_space('\n')
   Call: (199) [system] char_type('\n', 'white')
   Fail: (199) [system] char_type('\n', 'white')
   Call: (199) [system] char_type('\n', end_of_line)
   Exit: (199) [system] char_type('\n', end_of_line)
^  Exit: (198) [user] is_like_space('\n')
   Call: (198) [system] get_char((0x55772f068e50), _379558)
   Exit: (198) [system] get_char((0x55772f068e50), '\n')
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _382262)
   Exit: (199) [system] peek_char((0x55772f068e50), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x55772f068e50), _391856)
   Exit: (199) [system] get_char((0x55772f068e50), ' ')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _394560)
   Exit: (200) [system] peek_char((0x55772f068e50), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
^  Exit: (197) [user] skip_spaces((0x55772f068e50))
   Call: (197) [system] peek_char((0x55772f068e50), _412418)
   Exit: (197) [system] peek_char((0x55772f068e50), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x55772f068e50), _417988)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _419846)
   Exit: (199) [system] peek_char((0x55772f068e50), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] get_char((0x55772f068e50), _435856)
   Exit: (198) [system] get_char((0x55772f068e50), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x55772f068e50), _417988)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _441426)
   Exit: (200) [system] peek_char((0x55772f068e50), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
   Call: (200) [system] (:)=(/)
   Fail: (200) [system] (:)=(/)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _457436)
   Exit: (199) [system] peek_char((0x55772f068e50), :)
   Call: (199) [system] (:)=')'
   Fail: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _463006)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _464864)
   Exit: (201) [system] peek_char((0x55772f068e50), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _480874)
   Exit: (200) [system] get_char((0x55772f068e50), :)
   Call: (200) [system] (:)='('
   Fail: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Fail: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Fail: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Fail: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Fail: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Fail: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Fail: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x55772f068e50), :, _463006)
^  Call: (201) [user] read_symbolic_cont(')', (0x55772f068e50), _498516)
   Call: (202) [system] peek_char((0x55772f068e50), _499450)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _498516=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (201) [user] classify_and_convert_charseq([:], _463006)
^  Call: (202) [user] classify_and_convert_charseq_([:], _508734)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_509686, _509688), once(user:catch(read_from_chars([:], _508734), _509668, fail)), '$restore_trace'(_509686, _509688))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_509686, _509688))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _509668, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(:)
   Exit: (203) [system] atomic(:)
^  Exit: (202) [user] classify_and_convert_charseq_([:], :)
   Call: (202) [system] integer(:)
   Fail: (202) [system] integer(:)
   Call: (202) [system] _463006=(:)
   Exit: (202) [system] (:)=(:)
^  Exit: (201) [user] classify_and_convert_charseq([:], :)
^  Exit: (200) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (199) [user] read_list(')', (0x55772f068e50), _521814)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _523672)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _533266)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _535970)
   Exit: (202) [system] peek_char((0x55772f068e50), c)
   Call: (202) [system] c=(;)
   Fail: (202) [system] c=(;)
   Call: (202) [system] c=(/)
   Fail: (202) [system] c=(/)
^  Call: (202) [user] is_like_space(c)
   Call: (203) [system] char_type(c, 'white')
   Fail: (203) [system] char_type(c, 'white')
   Call: (203) [system] char_type(c, end_of_line)
   Fail: (203) [system] char_type(c, end_of_line)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] char_type(c, cntrl)
   Fail: (203) [system] char_type(c, cntrl)
^  Fail: (202) [user] is_like_space(c)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _552904)
   Exit: (200) [system] peek_char((0x55772f068e50), c)
   Call: (200) [system] c=')'
   Fail: (200) [system] c=')'
   Call: (200) [system] c=end_of_file
   Fail: (200) [system] c=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _558474)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _560332)
   Exit: (202) [system] peek_char((0x55772f068e50), c)
   Call: (202) [system] c=(;)
   Fail: (202) [system] c=(;)
   Call: (202) [system] c=(/)
   Fail: (202) [system] c=(/)
^  Call: (202) [user] is_like_space(c)
   Call: (203) [system] char_type(c, 'white')
   Fail: (203) [system] char_type(c, 'white')
   Call: (203) [system] char_type(c, end_of_line)
   Fail: (203) [system] char_type(c, end_of_line)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] char_type(c, cntrl)
   Fail: (203) [system] char_type(c, cntrl)
^  Fail: (202) [user] is_like_space(c)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _576342)
   Exit: (201) [system] get_char((0x55772f068e50), c)
   Call: (201) [system] c='('
   Fail: (201) [system] c='('
   Call: (201) [system] c='['
   Fail: (201) [system] c='['
   Call: (201) [system] c='{'
   Fail: (201) [system] c='{'
   Call: (201) [system] c='"'
   Fail: (201) [system] c='"'
   Call: (201) [system] c=!
   Fail: (201) [system] c=!
   Call: (201) [system] c='\''
   Fail: (201) [system] c='\''
   Call: (201) [system] c='`'
   Fail: (201) [system] c='`'
   Call: (201) [system] c=end_of_file
   Fail: (201) [system] c=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), c, _558474)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _593984)
   Call: (203) [system] peek_char((0x55772f068e50), _594918)
   Exit: (203) [system] peek_char((0x55772f068e50), d)
^  Call: (203) [user] is_delimiter(d)
   Call: (204) [system] char_type(d, space)
   Fail: (204) [system] char_type(d, space)
   Call: (204) [system] arg(_599638, v('(', ')', end_of_file), d)
   Fail: (204) [system] arg(_600570, v('(', ')', end_of_file), d)
^  Fail: (203) [user] is_delimiter(d)
   Call: (203) [system] ')'==d
   Fail: (203) [system] ')'==d
   Call: (203) [system] get_char((0x55772f068e50), d)
   Exit: (203) [system] get_char((0x55772f068e50), d)
   Call: (203) [system] d=(\)
   Fail: (203) [system] d=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _607920)
   Call: (204) [system] peek_char((0x55772f068e50), _608854)
   Exit: (204) [system] peek_char((0x55772f068e50), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_613574, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_614506, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x55772f068e50), e)
   Exit: (204) [system] get_char((0x55772f068e50), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _621856)
   Call: (205) [system] peek_char((0x55772f068e50), _622790)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _621856=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (204) [system] _607920=[e]
   Exit: (204) [system] [e]=[e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (203) [system] _593984=[d, e]
   Exit: (203) [system] [d, e]=[d, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [d, e])
^  Call: (202) [user] classify_and_convert_charseq([c, d, e], _558474)
^  Call: (203) [user] classify_and_convert_charseq_([c, d, e], _637662)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_638614, _638616), once(user:catch(read_from_chars([c, d, e], _637662), _638596, fail)), '$restore_trace'(_638614, _638616))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_638614, _638616))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _638596, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(cde)
   Exit: (204) [system] atomic(cde)
^  Exit: (203) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (203) [system] integer(cde)
   Fail: (203) [system] integer(cde)
   Call: (203) [system] _558474=cde
   Exit: (203) [system] cde=cde
^  Exit: (202) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), c, cde)
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), cde)
^  Call: (200) [user] read_list(')', (0x55772f068e50), _650742)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _652600)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _662194)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _664898)
   Exit: (203) [system] peek_char((0x55772f068e50), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _681832)
   Exit: (201) [system] peek_char((0x55772f068e50), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _687402)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _689260)
   Exit: (203) [system] peek_char((0x55772f068e50), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _705270)
   Exit: (202) [system] get_char((0x55772f068e50), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x55772f068e50), _687402)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _710840)
   Exit: (204) [system] peek_char((0x55772f068e50), 'I')
   Call: (204) [system] 'I'=(;)
   Fail: (204) [system] 'I'=(;)
   Call: (204) [system] 'I'=(/)
   Fail: (204) [system] 'I'=(/)
^  Call: (204) [user] is_like_space('I')
   Call: (205) [system] char_type('I', 'white')
   Fail: (205) [system] char_type('I', 'white')
   Call: (205) [system] char_type('I', end_of_line)
   Fail: (205) [system] char_type('I', end_of_line)
   Call: (205) [system] char_type('I', space)
   Fail: (205) [system] char_type('I', space)
   Call: (205) [system] char_type('I', cntrl)
   Fail: (205) [system] char_type('I', cntrl)
^  Fail: (204) [user] is_like_space('I')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _726850)
   Exit: (203) [system] peek_char((0x55772f068e50), 'I')
   Call: (203) [system] 'I'=')'
   Fail: (203) [system] 'I'=')'
   Call: (203) [system] 'I'=end_of_file
   Fail: (203) [system] 'I'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x55772f068e50), _732420)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _734278)
   Exit: (205) [system] peek_char((0x55772f068e50), 'I')
   Call: (205) [system] 'I'=(;)
   Fail: (205) [system] 'I'=(;)
   Call: (205) [system] 'I'=(/)
   Fail: (205) [system] 'I'=(/)
^  Call: (205) [user] is_like_space('I')
   Call: (206) [system] char_type('I', 'white')
   Fail: (206) [system] char_type('I', 'white')
   Call: (206) [system] char_type('I', end_of_line)
   Fail: (206) [system] char_type('I', end_of_line)
   Call: (206) [system] char_type('I', space)
   Fail: (206) [system] char_type('I', space)
   Call: (206) [system] char_type('I', cntrl)
   Fail: (206) [system] char_type('I', cntrl)
^  Fail: (205) [user] is_like_space('I')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] get_char((0x55772f068e50), _750288)
   Exit: (204) [system] get_char((0x55772f068e50), 'I')
   Call: (204) [system] 'I'='('
   Fail: (204) [system] 'I'='('
   Call: (204) [system] 'I'='['
   Fail: (204) [system] 'I'='['
   Call: (204) [system] 'I'='{'
   Fail: (204) [system] 'I'='{'
   Call: (204) [system] 'I'='"'
   Fail: (204) [system] 'I'='"'
   Call: (204) [system] 'I'=!
   Fail: (204) [system] 'I'=!
   Call: (204) [system] 'I'='\''
   Fail: (204) [system] 'I'='\''
   Call: (204) [system] 'I'='`'
   Fail: (204) [system] 'I'='`'
   Call: (204) [system] 'I'=end_of_file
   Fail: (204) [system] 'I'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x55772f068e50), 'I', _732420)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _767930)
   Call: (206) [system] peek_char((0x55772f068e50), _768864)
   Exit: (206) [system] peek_char((0x55772f068e50), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Fail: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_773584, v('(', ')', end_of_file), m)
   Fail: (207) [system] arg(_774516, v('(', ')', end_of_file), m)
^  Fail: (206) [user] is_delimiter(m)
   Call: (206) [system] ')'==m
   Fail: (206) [system] ')'==m
   Call: (206) [system] get_char((0x55772f068e50), m)
   Exit: (206) [system] get_char((0x55772f068e50), m)
   Call: (206) [system] m=(\)
   Fail: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _781866)
   Call: (207) [system] peek_char((0x55772f068e50), _782800)
   Exit: (207) [system] peek_char((0x55772f068e50), p)
^  Call: (207) [user] is_delimiter(p)
   Call: (208) [system] char_type(p, space)
   Fail: (208) [system] char_type(p, space)
   Call: (208) [system] arg(_787520, v('(', ')', end_of_file), p)
   Fail: (208) [system] arg(_788452, v('(', ')', end_of_file), p)
^  Fail: (207) [user] is_delimiter(p)
   Call: (207) [system] ')'==p
   Fail: (207) [system] ')'==p
   Call: (207) [system] get_char((0x55772f068e50), p)
   Exit: (207) [system] get_char((0x55772f068e50), p)
   Call: (207) [system] p=(\)
   Fail: (207) [system] p=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _795802)
   Call: (208) [system] peek_char((0x55772f068e50), _796736)
   Exit: (208) [system] peek_char((0x55772f068e50), l)
^  Call: (208) [user] is_delimiter(l)
   Call: (209) [system] char_type(l, space)
   Fail: (209) [system] char_type(l, space)
   Call: (209) [system] arg(_801456, v('(', ')', end_of_file), l)
   Fail: (209) [system] arg(_802388, v('(', ')', end_of_file), l)
^  Fail: (208) [user] is_delimiter(l)
   Call: (208) [system] ')'==l
   Fail: (208) [system] ')'==l
   Call: (208) [system] get_char((0x55772f068e50), l)
   Exit: (208) [system] get_char((0x55772f068e50), l)
   Call: (208) [system] l=(\)
   Fail: (208) [system] l=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _809738)
   Call: (209) [system] peek_char((0x55772f068e50), _810672)
   Exit: (209) [system] peek_char((0x55772f068e50), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_815392, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_816324, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x55772f068e50), i)
   Exit: (209) [system] get_char((0x55772f068e50), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _823674)
   Call: (210) [system] peek_char((0x55772f068e50), _824608)
   Exit: (210) [system] peek_char((0x55772f068e50), c)
^  Call: (210) [user] is_delimiter(c)
   Call: (211) [system] char_type(c, space)
   Fail: (211) [system] char_type(c, space)
   Call: (211) [system] arg(_829328, v('(', ')', end_of_file), c)
   Fail: (211) [system] arg(_830260, v('(', ')', end_of_file), c)
^  Fail: (210) [user] is_delimiter(c)
   Call: (210) [system] ')'==c
   Fail: (210) [system] ')'==c
   Call: (210) [system] get_char((0x55772f068e50), c)
   Exit: (210) [system] get_char((0x55772f068e50), c)
   Call: (210) [system] c=(\)
   Fail: (210) [system] c=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _837610)
   Call: (211) [system] peek_char((0x55772f068e50), _838544)
   Exit: (211) [system] peek_char((0x55772f068e50), a)
^  Call: (211) [user] is_delimiter(a)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] arg(_843264, v('(', ')', end_of_file), a)
   Fail: (212) [system] arg(_844196, v('(', ')', end_of_file), a)
^  Fail: (211) [user] is_delimiter(a)
   Call: (211) [system] ')'==a
   Fail: (211) [system] ')'==a
   Call: (211) [system] get_char((0x55772f068e50), a)
   Exit: (211) [system] get_char((0x55772f068e50), a)
   Call: (211) [system] a=(\)
   Fail: (211) [system] a=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _851546)
   Call: (212) [system] peek_char((0x55772f068e50), _852480)
   Exit: (212) [system] peek_char((0x55772f068e50), t)
^  Call: (212) [user] is_delimiter(t)
   Call: (213) [system] char_type(t, space)
   Fail: (213) [system] char_type(t, space)
   Call: (213) [system] arg(_857200, v('(', ')', end_of_file), t)
   Fail: (213) [system] arg(_858132, v('(', ')', end_of_file), t)
^  Fail: (212) [user] is_delimiter(t)
   Call: (212) [system] ')'==t
   Fail: (212) [system] ')'==t
   Call: (212) [system] get_char((0x55772f068e50), t)
   Exit: (212) [system] get_char((0x55772f068e50), t)
   Call: (212) [system] t=(\)
   Fail: (212) [system] t=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _865482)
   Call: (213) [system] peek_char((0x55772f068e50), _866416)
   Exit: (213) [system] peek_char((0x55772f068e50), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_871136, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_872068, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x55772f068e50), i)
   Exit: (213) [system] get_char((0x55772f068e50), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _879418)
   Call: (214) [system] peek_char((0x55772f068e50), _880352)
   Exit: (214) [system] peek_char((0x55772f068e50), o)
^  Call: (214) [user] is_delimiter(o)
   Call: (215) [system] char_type(o, space)
   Fail: (215) [system] char_type(o, space)
   Call: (215) [system] arg(_885072, v('(', ')', end_of_file), o)
   Fail: (215) [system] arg(_886004, v('(', ')', end_of_file), o)
^  Fail: (214) [user] is_delimiter(o)
   Call: (214) [system] ')'==o
   Fail: (214) [system] ')'==o
   Call: (214) [system] get_char((0x55772f068e50), o)
   Exit: (214) [system] get_char((0x55772f068e50), o)
   Call: (214) [system] o=(\)
   Fail: (214) [system] o=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _893354)
   Call: (215) [system] peek_char((0x55772f068e50), _894288)
   Exit: (215) [system] peek_char((0x55772f068e50), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_899008, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_899940, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x55772f068e50), n)
   Exit: (215) [system] get_char((0x55772f068e50), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _907290)
   Call: (216) [system] peek_char((0x55772f068e50), _908224)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _907290=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (215) [system] _893354=[n]
   Exit: (215) [system] [n]=[n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (214) [system] _879418=[o, n]
   Exit: (214) [system] [o, n]=[o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (213) [system] _865482=[i, o, n]
   Exit: (213) [system] [i, o, n]=[i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (212) [system] _851546=[t, i, o, n]
   Exit: (212) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (211) [system] _837610=[a, t, i, o, n]
   Exit: (211) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (210) [system] _823674=[c, a, t, i, o, n]
   Exit: (210) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (209) [system] _809738=[i, c, a, t, i, o, n]
   Exit: (209) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (208) [system] _795802=[l, i, c, a, t, i, o, n]
   Exit: (208) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (207) [system] _781866=[p, l, i, c, a, t, i, o, n]
   Exit: (207) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (206) [system] _767930=[m, p, l, i, c, a, t, i, o, n]
   Exit: (206) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (205) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _732420)
^  Call: (206) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _945448)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_946400, _946402), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _945448), _946382, fail)), '$restore_trace'(_946400, _946402))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_946400, _946402))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _945448), _946382, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_945448)
   Fail: (207) [system] atomic(_945448)
   Call: (207) [system] atom_chars(_945448, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (207) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (206) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (206) [system] integer('Implication')
   Fail: (206) [system] integer('Implication')
   Call: (206) [system] _732420='Implication'
   Exit: (206) [system] 'Implication'='Implication'
^  Exit: (205) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (204) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (203) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (203) [user] read_list(')', (0x55772f068e50), _960398)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _962256)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x55772f068e50), _971850)
   Exit: (205) [system] get_char((0x55772f068e50), ' ')
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _974554)
   Exit: (206) [system] peek_char((0x55772f068e50), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _991488)
   Exit: (204) [system] peek_char((0x55772f068e50), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x55772f068e50), _997058)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _998916)
   Exit: (206) [system] peek_char((0x55772f068e50), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] get_char((0x55772f068e50), _1014926)
   Exit: (205) [system] get_char((0x55772f068e50), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x55772f068e50), _997058)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1020496)
   Exit: (207) [system] peek_char((0x55772f068e50), 'O')
   Call: (207) [system] 'O'=(;)
   Fail: (207) [system] 'O'=(;)
   Call: (207) [system] 'O'=(/)
   Fail: (207) [system] 'O'=(/)
^  Call: (207) [user] is_like_space('O')
   Call: (208) [system] char_type('O', 'white')
   Fail: (208) [system] char_type('O', 'white')
   Call: (208) [system] char_type('O', end_of_line)
   Fail: (208) [system] char_type('O', end_of_line)
   Call: (208) [system] char_type('O', space)
   Fail: (208) [system] char_type('O', space)
   Call: (208) [system] char_type('O', cntrl)
   Fail: (208) [system] char_type('O', cntrl)
^  Fail: (207) [user] is_like_space('O')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1036506)
   Exit: (206) [system] peek_char((0x55772f068e50), 'O')
   Call: (206) [system] 'O'=')'
   Fail: (206) [system] 'O'=')'
   Call: (206) [system] 'O'=end_of_file
   Fail: (206) [system] 'O'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x55772f068e50), _1042076)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1043934)
   Exit: (208) [system] peek_char((0x55772f068e50), 'O')
   Call: (208) [system] 'O'=(;)
   Fail: (208) [system] 'O'=(;)
   Call: (208) [system] 'O'=(/)
   Fail: (208) [system] 'O'=(/)
^  Call: (208) [user] is_like_space('O')
   Call: (209) [system] char_type('O', 'white')
   Fail: (209) [system] char_type('O', 'white')
   Call: (209) [system] char_type('O', end_of_line)
   Fail: (209) [system] char_type('O', end_of_line)
   Call: (209) [system] char_type('O', space)
   Fail: (209) [system] char_type('O', space)
   Call: (209) [system] char_type('O', cntrl)
   Fail: (209) [system] char_type('O', cntrl)
^  Fail: (208) [user] is_like_space('O')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] get_char((0x55772f068e50), _1059944)
   Exit: (207) [system] get_char((0x55772f068e50), 'O')
   Call: (207) [system] 'O'='('
   Fail: (207) [system] 'O'='('
   Call: (207) [system] 'O'='['
   Fail: (207) [system] 'O'='['
   Call: (207) [system] 'O'='{'
   Fail: (207) [system] 'O'='{'
   Call: (207) [system] 'O'='"'
   Fail: (207) [system] 'O'='"'
   Call: (207) [system] 'O'=!
   Fail: (207) [system] 'O'=!
   Call: (207) [system] 'O'='\''
   Fail: (207) [system] 'O'='\''
   Call: (207) [system] 'O'='`'
   Fail: (207) [system] 'O'='`'
   Call: (207) [system] 'O'=end_of_file
   Fail: (207) [system] 'O'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x55772f068e50), 'O', _1042076)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1077586)
   Call: (209) [system] peek_char((0x55772f068e50), _1078520)
   Exit: (209) [system] peek_char((0x55772f068e50), r)
^  Call: (209) [user] is_delimiter(r)
   Call: (210) [system] char_type(r, space)
   Fail: (210) [system] char_type(r, space)
   Call: (210) [system] arg(_1083240, v('(', ')', end_of_file), r)
   Fail: (210) [system] arg(_1084172, v('(', ')', end_of_file), r)
^  Fail: (209) [user] is_delimiter(r)
   Call: (209) [system] ')'==r
   Fail: (209) [system] ')'==r
   Call: (209) [system] get_char((0x55772f068e50), r)
   Exit: (209) [system] get_char((0x55772f068e50), r)
   Call: (209) [system] r=(\)
   Fail: (209) [system] r=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1091522)
   Call: (210) [system] peek_char((0x55772f068e50), _1092456)
   Exit: (210) [system] peek_char((0x55772f068e50), 'L')
^  Call: (210) [user] is_delimiter('L')
   Call: (211) [system] char_type('L', space)
   Fail: (211) [system] char_type('L', space)
   Call: (211) [system] arg(_1097176, v('(', ')', end_of_file), 'L')
   Fail: (211) [system] arg(_1098108, v('(', ')', end_of_file), 'L')
^  Fail: (210) [user] is_delimiter('L')
   Call: (210) [system] ')'=='L'
   Fail: (210) [system] ')'=='L'
   Call: (210) [system] get_char((0x55772f068e50), 'L')
   Exit: (210) [system] get_char((0x55772f068e50), 'L')
   Call: (210) [system] 'L'=(\)
   Fail: (210) [system] 'L'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1105458)
   Call: (211) [system] peek_char((0x55772f068e50), _1106392)
   Exit: (211) [system] peek_char((0x55772f068e50), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_1111112, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_1112044, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x55772f068e50), i)
   Exit: (211) [system] get_char((0x55772f068e50), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1119394)
   Call: (212) [system] peek_char((0x55772f068e50), _1120328)
   Exit: (212) [system] peek_char((0x55772f068e50), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_1125048, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_1125980, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x55772f068e50), n)
   Exit: (212) [system] get_char((0x55772f068e50), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1133330)
   Call: (213) [system] peek_char((0x55772f068e50), _1134264)
   Exit: (213) [system] peek_char((0x55772f068e50), k)
^  Call: (213) [user] is_delimiter(k)
   Call: (214) [system] char_type(k, space)
   Fail: (214) [system] char_type(k, space)
   Call: (214) [system] arg(_1138984, v('(', ')', end_of_file), k)
   Fail: (214) [system] arg(_1139916, v('(', ')', end_of_file), k)
^  Fail: (213) [user] is_delimiter(k)
   Call: (213) [system] ')'==k
   Fail: (213) [system] ')'==k
   Call: (213) [system] get_char((0x55772f068e50), k)
   Exit: (213) [system] get_char((0x55772f068e50), k)
   Call: (213) [system] k=(\)
   Fail: (213) [system] k=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1147266)
   Call: (214) [system] peek_char((0x55772f068e50), _1148200)
   Exit: (214) [system] peek_char((0x55772f068e50), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _1147266=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (213) [system] _1133330=[k]
   Exit: (213) [system] [k]=[k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (212) [system] _1119394=[n, k]
   Exit: (212) [system] [n, k]=[n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (211) [system] _1105458=[i, n, k]
   Exit: (211) [system] [i, n, k]=[i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (210) [system] _1091522=['L', i, n, k]
   Exit: (210) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (209) [system] _1077586=[r, 'L', i, n, k]
   Exit: (209) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (208) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1042076)
^  Call: (209) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1171454)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1172406, _1172408), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1171454), _1172388, fail)), '$restore_trace'(_1172406, _1172408))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1172406, _1172408))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1171454), _1172388, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_1171454)
   Fail: (210) [system] atomic(_1171454)
   Call: (210) [system] atom_chars(_1171454, ['O', r, 'L', i, n, k])
   Exit: (210) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (209) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (209) [system] integer('OrLink')
   Fail: (209) [system] integer('OrLink')
   Call: (209) [system] _1042076='OrLink'
   Exit: (209) [system] 'OrLink'='OrLink'
^  Exit: (208) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (207) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (206) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (206) [user] read_list(')', (0x55772f068e50), _1186404)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1188262)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x55772f068e50), _1197856)
   Exit: (208) [system] get_char((0x55772f068e50), ' ')
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1200560)
   Exit: (209) [system] peek_char((0x55772f068e50), 'C')
   Call: (209) [system] 'C'=(;)
   Fail: (209) [system] 'C'=(;)
   Call: (209) [system] 'C'=(/)
   Fail: (209) [system] 'C'=(/)
^  Call: (209) [user] is_like_space('C')
   Call: (210) [system] char_type('C', 'white')
   Fail: (210) [system] char_type('C', 'white')
   Call: (210) [system] char_type('C', end_of_line)
   Fail: (210) [system] char_type('C', end_of_line)
   Call: (210) [system] char_type('C', space)
   Fail: (210) [system] char_type('C', space)
   Call: (210) [system] char_type('C', cntrl)
   Fail: (210) [system] char_type('C', cntrl)
^  Fail: (209) [user] is_like_space('C')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1217494)
   Exit: (207) [system] peek_char((0x55772f068e50), 'C')
   Call: (207) [system] 'C'=')'
   Fail: (207) [system] 'C'=')'
   Call: (207) [system] 'C'=end_of_file
   Fail: (207) [system] 'C'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x55772f068e50), _1223064)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1224922)
   Exit: (209) [system] peek_char((0x55772f068e50), 'C')
   Call: (209) [system] 'C'=(;)
   Fail: (209) [system] 'C'=(;)
   Call: (209) [system] 'C'=(/)
   Fail: (209) [system] 'C'=(/)
^  Call: (209) [user] is_like_space('C')
   Call: (210) [system] char_type('C', 'white')
   Fail: (210) [system] char_type('C', 'white')
   Call: (210) [system] char_type('C', end_of_line)
   Fail: (210) [system] char_type('C', end_of_line)
   Call: (210) [system] char_type('C', space)
   Fail: (210) [system] char_type('C', space)
   Call: (210) [system] char_type('C', cntrl)
   Fail: (210) [system] char_type('C', cntrl)
^  Fail: (209) [user] is_like_space('C')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] get_char((0x55772f068e50), _1240932)
   Exit: (208) [system] get_char((0x55772f068e50), 'C')
   Call: (208) [system] 'C'='('
   Fail: (208) [system] 'C'='('
   Call: (208) [system] 'C'='['
   Fail: (208) [system] 'C'='['
   Call: (208) [system] 'C'='{'
   Fail: (208) [system] 'C'='{'
   Call: (208) [system] 'C'='"'
   Fail: (208) [system] 'C'='"'
   Call: (208) [system] 'C'=!
   Fail: (208) [system] 'C'=!
   Call: (208) [system] 'C'='\''
   Fail: (208) [system] 'C'='\''
   Call: (208) [system] 'C'='`'
   Fail: (208) [system] 'C'='`'
   Call: (208) [system] 'C'=end_of_file
   Fail: (208) [system] 'C'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x55772f068e50), 'C', _1223064)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1258574)
   Call: (210) [system] peek_char((0x55772f068e50), _1259508)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1258574=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (209) [user] classify_and_convert_charseq(['C'], _1223064)
^  Call: (210) [user] classify_and_convert_charseq_(['C'], _1268792)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1269744, _1269746), once(user:catch(read_from_chars(['C'], _1268792), _1269726, fail)), '$restore_trace'(_1269744, _1269746))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1269744, _1269746))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1268792), _1269726, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1268792)
   Fail: (211) [system] atomic(_1268792)
   Call: (211) [system] atom_chars(_1268792, ['C'])
   Exit: (211) [system] atom_chars('C', ['C'])
^  Exit: (210) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (210) [system] integer('C')
   Fail: (210) [system] integer('C')
   Call: (210) [system] _1223064='C'
   Exit: (210) [system] 'C'='C'
^  Exit: (209) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (208) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (207) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (207) [user] read_list(')', (0x55772f068e50), _1283742)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1285600)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x55772f068e50), _1295194)
   Exit: (209) [system] get_char((0x55772f068e50), ' ')
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1297898)
   Exit: (210) [system] peek_char((0x55772f068e50), 'D')
   Call: (210) [system] 'D'=(;)
   Fail: (210) [system] 'D'=(;)
   Call: (210) [system] 'D'=(/)
   Fail: (210) [system] 'D'=(/)
^  Call: (210) [user] is_like_space('D')
   Call: (211) [system] char_type('D', 'white')
   Fail: (211) [system] char_type('D', 'white')
   Call: (211) [system] char_type('D', end_of_line)
   Fail: (211) [system] char_type('D', end_of_line)
   Call: (211) [system] char_type('D', space)
   Fail: (211) [system] char_type('D', space)
   Call: (211) [system] char_type('D', cntrl)
   Fail: (211) [system] char_type('D', cntrl)
^  Fail: (210) [user] is_like_space('D')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1314832)
   Exit: (208) [system] peek_char((0x55772f068e50), 'D')
   Call: (208) [system] 'D'=')'
   Fail: (208) [system] 'D'=')'
   Call: (208) [system] 'D'=end_of_file
   Fail: (208) [system] 'D'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x55772f068e50), _1320402)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1322260)
   Exit: (210) [system] peek_char((0x55772f068e50), 'D')
   Call: (210) [system] 'D'=(;)
   Fail: (210) [system] 'D'=(;)
   Call: (210) [system] 'D'=(/)
   Fail: (210) [system] 'D'=(/)
^  Call: (210) [user] is_like_space('D')
   Call: (211) [system] char_type('D', 'white')
   Fail: (211) [system] char_type('D', 'white')
   Call: (211) [system] char_type('D', end_of_line)
   Fail: (211) [system] char_type('D', end_of_line)
   Call: (211) [system] char_type('D', space)
   Fail: (211) [system] char_type('D', space)
   Call: (211) [system] char_type('D', cntrl)
   Fail: (211) [system] char_type('D', cntrl)
^  Fail: (210) [user] is_like_space('D')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] get_char((0x55772f068e50), _1338270)
   Exit: (209) [system] get_char((0x55772f068e50), 'D')
   Call: (209) [system] 'D'='('
   Fail: (209) [system] 'D'='('
   Call: (209) [system] 'D'='['
   Fail: (209) [system] 'D'='['
   Call: (209) [system] 'D'='{'
   Fail: (209) [system] 'D'='{'
   Call: (209) [system] 'D'='"'
   Fail: (209) [system] 'D'='"'
   Call: (209) [system] 'D'=!
   Fail: (209) [system] 'D'=!
   Call: (209) [system] 'D'='\''
   Fail: (209) [system] 'D'='\''
   Call: (209) [system] 'D'='`'
   Fail: (209) [system] 'D'='`'
   Call: (209) [system] 'D'=end_of_file
   Fail: (209) [system] 'D'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x55772f068e50), 'D', _1320402)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1355912)
   Call: (211) [system] peek_char((0x55772f068e50), _1356846)
   Exit: (211) [system] peek_char((0x55772f068e50), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_1361566, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _1355912=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (210) [user] classify_and_convert_charseq(['D'], _1320402)
^  Call: (211) [user] classify_and_convert_charseq_(['D'], _1368002)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1368954, _1368956), once(user:catch(read_from_chars(['D'], _1368002), _1368936, fail)), '$restore_trace'(_1368954, _1368956))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1368954, _1368956))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1368002), _1368936, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1368002)
   Fail: (212) [system] atomic(_1368002)
   Call: (212) [system] atom_chars(_1368002, ['D'])
   Exit: (212) [system] atom_chars('D', ['D'])
^  Exit: (211) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (211) [system] integer('D')
   Fail: (211) [system] integer('D')
   Call: (211) [system] _1320402='D'
   Exit: (211) [system] 'D'='D'
^  Exit: (210) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (209) [user] read_symbolic(')', (0x55772f068e50), 'D', 'D')
^  Exit: (208) [user] cont_sexpr(')', (0x55772f068e50), 'D')
^  Call: (208) [user] read_list(')', (0x55772f068e50), _1382952)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1384810)
   Exit: (210) [system] peek_char((0x55772f068e50), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
   Call: (210) [system] ')'=(/)
   Fail: (210) [system] ')'=(/)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1400820)
   Exit: (209) [system] peek_char((0x55772f068e50), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x55772f068e50), _1404610)
   Exit: (209) [system] get_char((0x55772f068e50), ')')
   Call: (209) [system] _1382952=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x55772f068e50), [])
   Call: (208) [system] _1283742=['D']
   Exit: (208) [system] ['D']=['D']
^  Exit: (207) [user] read_list(')', (0x55772f068e50), ['D'])
   Call: (207) [system] _1186404=['C', 'D']
   Exit: (207) [system] ['C', 'D']=['C', 'D']
^  Exit: (206) [user] read_list(')', (0x55772f068e50), ['C', 'D'])
   Call: (206) [system] _997058=['OrLink', 'C', 'D']
   Exit: (206) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (205) [user] read_list(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Exit: (204) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Call: (204) [user] read_list(')', (0x55772f068e50), _1418492)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1420350)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x55772f068e50), _1429944)
   Exit: (206) [system] get_char((0x55772f068e50), ' ')
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1432648)
   Exit: (207) [system] peek_char((0x55772f068e50), 'E')
   Call: (207) [system] 'E'=(;)
   Fail: (207) [system] 'E'=(;)
   Call: (207) [system] 'E'=(/)
   Fail: (207) [system] 'E'=(/)
^  Call: (207) [user] is_like_space('E')
   Call: (208) [system] char_type('E', 'white')
   Fail: (208) [system] char_type('E', 'white')
   Call: (208) [system] char_type('E', end_of_line)
   Fail: (208) [system] char_type('E', end_of_line)
   Call: (208) [system] char_type('E', space)
   Fail: (208) [system] char_type('E', space)
   Call: (208) [system] char_type('E', cntrl)
   Fail: (208) [system] char_type('E', cntrl)
^  Fail: (207) [user] is_like_space('E')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1449582)
   Exit: (205) [system] peek_char((0x55772f068e50), 'E')
   Call: (205) [system] 'E'=')'
   Fail: (205) [system] 'E'=')'
   Call: (205) [system] 'E'=end_of_file
   Fail: (205) [system] 'E'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x55772f068e50), _1455152)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1457010)
   Exit: (207) [system] peek_char((0x55772f068e50), 'E')
   Call: (207) [system] 'E'=(;)
   Fail: (207) [system] 'E'=(;)
   Call: (207) [system] 'E'=(/)
   Fail: (207) [system] 'E'=(/)
^  Call: (207) [user] is_like_space('E')
   Call: (208) [system] char_type('E', 'white')
   Fail: (208) [system] char_type('E', 'white')
   Call: (208) [system] char_type('E', end_of_line)
   Fail: (208) [system] char_type('E', end_of_line)
   Call: (208) [system] char_type('E', space)
   Fail: (208) [system] char_type('E', space)
   Call: (208) [system] char_type('E', cntrl)
   Fail: (208) [system] char_type('E', cntrl)
^  Fail: (207) [user] is_like_space('E')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] get_char((0x55772f068e50), _1473020)
   Exit: (206) [system] get_char((0x55772f068e50), 'E')
   Call: (206) [system] 'E'='('
   Fail: (206) [system] 'E'='('
   Call: (206) [system] 'E'='['
   Fail: (206) [system] 'E'='['
   Call: (206) [system] 'E'='{'
   Fail: (206) [system] 'E'='{'
   Call: (206) [system] 'E'='"'
   Fail: (206) [system] 'E'='"'
   Call: (206) [system] 'E'=!
   Fail: (206) [system] 'E'=!
   Call: (206) [system] 'E'='\''
   Fail: (206) [system] 'E'='\''
   Call: (206) [system] 'E'='`'
   Fail: (206) [system] 'E'='`'
   Call: (206) [system] 'E'=end_of_file
   Fail: (206) [system] 'E'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x55772f068e50), 'E', _1455152)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1490662)
   Call: (208) [system] peek_char((0x55772f068e50), _1491596)
   Exit: (208) [system] peek_char((0x55772f068e50), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_1496316, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _1490662=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (207) [user] classify_and_convert_charseq(['E'], _1455152)
^  Call: (208) [user] classify_and_convert_charseq_(['E'], _1502752)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1503704, _1503706), once(user:catch(read_from_chars(['E'], _1502752), _1503686, fail)), '$restore_trace'(_1503704, _1503706))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1503704, _1503706))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1502752), _1503686, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_1502752)
   Fail: (209) [system] atomic(_1502752)
   Call: (209) [system] atom_chars(_1502752, ['E'])
   Exit: (209) [system] atom_chars('E', ['E'])
^  Exit: (208) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (208) [system] integer('E')
   Fail: (208) [system] integer('E')
   Call: (208) [system] _1455152='E'
   Exit: (208) [system] 'E'='E'
^  Exit: (207) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (206) [user] read_symbolic(')', (0x55772f068e50), 'E', 'E')
^  Exit: (205) [user] cont_sexpr(')', (0x55772f068e50), 'E')
^  Call: (205) [user] read_list(')', (0x55772f068e50), _1517702)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1519560)
   Exit: (207) [system] peek_char((0x55772f068e50), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
   Call: (207) [system] ')'=(/)
   Fail: (207) [system] ')'=(/)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1535570)
   Exit: (206) [system] peek_char((0x55772f068e50), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x55772f068e50), _1539360)
   Exit: (206) [system] get_char((0x55772f068e50), ')')
   Call: (206) [system] _1517702=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x55772f068e50), [])
   Call: (205) [system] _1418492=['E']
   Exit: (205) [system] ['E']=['E']
^  Exit: (204) [user] read_list(')', (0x55772f068e50), ['E'])
   Call: (204) [system] _960398=[['OrLink', 'C', 'D'], 'E']
   Exit: (204) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (203) [user] read_list(')', (0x55772f068e50), [['OrLink', 'C', 'D'], 'E'])
   Call: (203) [system] _687402=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (203) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (202) [user] read_list(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (201) [user] read_list(')', (0x55772f068e50), _1553242)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1555100)
   Exit: (203) [system] peek_char((0x55772f068e50), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1571110)
   Exit: (202) [system] peek_char((0x55772f068e50), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x55772f068e50), _1574900)
   Exit: (202) [system] get_char((0x55772f068e50), ')')
   Call: (202) [system] _1553242=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [])
   Call: (201) [system] _650742=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (201) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (200) [system] _521814=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (200) [system] [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (199) [system] _417988=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (199) [system] [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (198) [user] read_list(')', (0x55772f068e50), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (197) [user] cont_sexpr(')', (0x55772f068e50), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (197) [user] read_list(')', (0x55772f068e50), _1588782)
^  Call: (198) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _1590640)
   Exit: (199) [system] peek_char((0x55772f068e50), '\n')
   Call: (199) [system] '\n'=(;)
   Fail: (199) [system] '\n'=(;)
   Call: (199) [system] '\n'=(/)
   Fail: (199) [system] '\n'=(/)
^  Call: (199) [user] is_like_space('\n')
   Call: (200) [system] char_type('\n', 'white')
   Fail: (200) [system] char_type('\n', 'white')
   Call: (200) [system] char_type('\n', end_of_line)
   Exit: (200) [system] char_type('\n', end_of_line)
^  Exit: (199) [user] is_like_space('\n')
   Call: (199) [system] get_char((0x55772f068e50), _1602090)
   Exit: (199) [system] get_char((0x55772f068e50), '\n')
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1604794)
   Exit: (200) [system] peek_char((0x55772f068e50), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x55772f068e50), _1614388)
   Exit: (200) [system] get_char((0x55772f068e50), ' ')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1617092)
   Exit: (201) [system] peek_char((0x55772f068e50), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
^  Exit: (198) [user] skip_spaces((0x55772f068e50))
   Call: (198) [system] peek_char((0x55772f068e50), _1634950)
   Exit: (198) [system] peek_char((0x55772f068e50), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x55772f068e50), _1640520)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1642378)
   Exit: (200) [system] peek_char((0x55772f068e50), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] get_char((0x55772f068e50), _1658388)
   Exit: (199) [system] get_char((0x55772f068e50), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x55772f068e50), _1640520)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1663958)
   Exit: (201) [system] peek_char((0x55772f068e50), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1679968)
   Exit: (200) [system] peek_char((0x55772f068e50), :)
   Call: (200) [system] (:)=')'
   Fail: (200) [system] (:)=')'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _1685538)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1687396)
   Exit: (202) [system] peek_char((0x55772f068e50), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
   Call: (202) [system] (:)=(/)
   Fail: (202) [system] (:)=(/)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _1703406)
   Exit: (201) [system] get_char((0x55772f068e50), :)
   Call: (201) [system] (:)='('
   Fail: (201) [system] (:)='('
   Call: (201) [system] (:)='['
   Fail: (201) [system] (:)='['
   Call: (201) [system] (:)='{'
   Fail: (201) [system] (:)='{'
   Call: (201) [system] (:)='"'
   Fail: (201) [system] (:)='"'
   Call: (201) [system] (:)=!
   Fail: (201) [system] (:)=!
   Call: (201) [system] (:)='\''
   Fail: (201) [system] (:)='\''
   Call: (201) [system] (:)='`'
   Fail: (201) [system] (:)='`'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x55772f068e50), :, _1685538)
^  Call: (202) [user] read_symbolic_cont(')', (0x55772f068e50), _1721048)
   Call: (203) [system] peek_char((0x55772f068e50), _1721982)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1721048=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (202) [user] classify_and_convert_charseq([:], _1685538)
^  Call: (203) [user] classify_and_convert_charseq_([:], _1731266)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1732218, _1732220), once(user:catch(read_from_chars([:], _1731266), _1732200, fail)), '$restore_trace'(_1732218, _1732220))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1732218, _1732220))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1732200, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(:)
   Exit: (204) [system] atomic(:)
^  Exit: (203) [user] classify_and_convert_charseq_([:], :)
   Call: (203) [system] integer(:)
   Fail: (203) [system] integer(:)
   Call: (203) [system] _1685538=(:)
   Exit: (203) [system] (:)=(:)
^  Exit: (202) [user] classify_and_convert_charseq([:], :)
^  Exit: (201) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (200) [user] read_list(')', (0x55772f068e50), _1744346)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1746204)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _1755798)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1758502)
   Exit: (203) [system] peek_char((0x55772f068e50), a)
   Call: (203) [system] a=(;)
   Fail: (203) [system] a=(;)
   Call: (203) [system] a=(/)
   Fail: (203) [system] a=(/)
^  Call: (203) [user] is_like_space(a)
   Call: (204) [system] char_type(a, 'white')
   Fail: (204) [system] char_type(a, 'white')
   Call: (204) [system] char_type(a, end_of_line)
   Fail: (204) [system] char_type(a, end_of_line)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] char_type(a, cntrl)
   Fail: (204) [system] char_type(a, cntrl)
^  Fail: (203) [user] is_like_space(a)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1775436)
   Exit: (201) [system] peek_char((0x55772f068e50), a)
   Call: (201) [system] a=')'
   Fail: (201) [system] a=')'
   Call: (201) [system] a=end_of_file
   Fail: (201) [system] a=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _1781006)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1782864)
   Exit: (203) [system] peek_char((0x55772f068e50), a)
   Call: (203) [system] a=(;)
   Fail: (203) [system] a=(;)
   Call: (203) [system] a=(/)
   Fail: (203) [system] a=(/)
^  Call: (203) [user] is_like_space(a)
   Call: (204) [system] char_type(a, 'white')
   Fail: (204) [system] char_type(a, 'white')
   Call: (204) [system] char_type(a, end_of_line)
   Fail: (204) [system] char_type(a, end_of_line)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] char_type(a, cntrl)
   Fail: (204) [system] char_type(a, cntrl)
^  Fail: (203) [user] is_like_space(a)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _1798874)
   Exit: (202) [system] get_char((0x55772f068e50), a)
   Call: (202) [system] a='('
   Fail: (202) [system] a='('
   Call: (202) [system] a='['
   Fail: (202) [system] a='['
   Call: (202) [system] a='{'
   Fail: (202) [system] a='{'
   Call: (202) [system] a='"'
   Fail: (202) [system] a='"'
   Call: (202) [system] a=!
   Fail: (202) [system] a=!
   Call: (202) [system] a='\''
   Fail: (202) [system] a='\''
   Call: (202) [system] a='`'
   Fail: (202) [system] a='`'
   Call: (202) [system] a=end_of_file
   Fail: (202) [system] a=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), a, _1781006)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _1816516)
   Call: (204) [system] peek_char((0x55772f068e50), _1817450)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1816516=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (203) [user] classify_and_convert_charseq([a], _1781006)
^  Call: (204) [user] classify_and_convert_charseq_([a], _1826734)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1827686, _1827688), once(user:catch(read_from_chars([a], _1826734), _1827668, fail)), '$restore_trace'(_1827686, _1827688))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1827686, _1827688))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1827668, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(a)
   Exit: (205) [system] atomic(a)
^  Exit: (204) [user] classify_and_convert_charseq_([a], a)
   Call: (204) [system] integer(a)
   Fail: (204) [system] integer(a)
   Call: (204) [system] _1781006=a
   Exit: (204) [system] a=a
^  Exit: (203) [user] classify_and_convert_charseq([a], a)
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (201) [user] read_list(')', (0x55772f068e50), _1839814)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1841672)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _1851266)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1853970)
   Exit: (204) [system] peek_char((0x55772f068e50), 'A')
   Call: (204) [system] 'A'=(;)
   Fail: (204) [system] 'A'=(;)
   Call: (204) [system] 'A'=(/)
   Fail: (204) [system] 'A'=(/)
^  Call: (204) [user] is_like_space('A')
   Call: (205) [system] char_type('A', 'white')
   Fail: (205) [system] char_type('A', 'white')
   Call: (205) [system] char_type('A', end_of_line)
   Fail: (205) [system] char_type('A', end_of_line)
   Call: (205) [system] char_type('A', space)
   Fail: (205) [system] char_type('A', space)
   Call: (205) [system] char_type('A', cntrl)
   Fail: (205) [system] char_type('A', cntrl)
^  Fail: (204) [user] is_like_space('A')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1870904)
   Exit: (202) [system] peek_char((0x55772f068e50), 'A')
   Call: (202) [system] 'A'=')'
   Fail: (202) [system] 'A'=')'
   Call: (202) [system] 'A'=end_of_file
   Fail: (202) [system] 'A'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x55772f068e50), _1876474)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1878332)
   Exit: (204) [system] peek_char((0x55772f068e50), 'A')
   Call: (204) [system] 'A'=(;)
   Fail: (204) [system] 'A'=(;)
   Call: (204) [system] 'A'=(/)
   Fail: (204) [system] 'A'=(/)
^  Call: (204) [user] is_like_space('A')
   Call: (205) [system] char_type('A', 'white')
   Fail: (205) [system] char_type('A', 'white')
   Call: (205) [system] char_type('A', end_of_line)
   Fail: (205) [system] char_type('A', end_of_line)
   Call: (205) [system] char_type('A', space)
   Fail: (205) [system] char_type('A', space)
   Call: (205) [system] char_type('A', cntrl)
   Fail: (205) [system] char_type('A', cntrl)
^  Fail: (204) [user] is_like_space('A')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] get_char((0x55772f068e50), _1894342)
   Exit: (203) [system] get_char((0x55772f068e50), 'A')
   Call: (203) [system] 'A'='('
   Fail: (203) [system] 'A'='('
   Call: (203) [system] 'A'='['
   Fail: (203) [system] 'A'='['
   Call: (203) [system] 'A'='{'
   Fail: (203) [system] 'A'='{'
   Call: (203) [system] 'A'='"'
   Fail: (203) [system] 'A'='"'
   Call: (203) [system] 'A'=!
   Fail: (203) [system] 'A'=!
   Call: (203) [system] 'A'='\''
   Fail: (203) [system] 'A'='\''
   Call: (203) [system] 'A'='`'
   Fail: (203) [system] 'A'='`'
   Call: (203) [system] 'A'=end_of_file
   Fail: (203) [system] 'A'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x55772f068e50), 'A', _1876474)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1911984)
   Call: (205) [system] peek_char((0x55772f068e50), _1912918)
   Exit: (205) [system] peek_char((0x55772f068e50), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_1917638, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _1911984=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (204) [user] classify_and_convert_charseq(['A'], _1876474)
^  Call: (205) [user] classify_and_convert_charseq_(['A'], _1924074)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1925026, _1925028), once(user:catch(read_from_chars(['A'], _1924074), _1925008, fail)), '$restore_trace'(_1925026, _1925028))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1925026, _1925028))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1924074), _1925008, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_1924074)
   Fail: (206) [system] atomic(_1924074)
   Call: (206) [system] atom_chars(_1924074, ['A'])
   Exit: (206) [system] atom_chars('A', ['A'])
^  Exit: (205) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (205) [system] integer('A')
   Fail: (205) [system] integer('A')
   Call: (205) [system] _1876474='A'
   Exit: (205) [system] 'A'='A'
^  Exit: (204) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (203) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (202) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (202) [user] read_list(')', (0x55772f068e50), _1939024)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1940882)
   Exit: (204) [system] peek_char((0x55772f068e50), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1956892)
   Exit: (203) [system] peek_char((0x55772f068e50), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x55772f068e50), _1960682)
   Exit: (203) [system] get_char((0x55772f068e50), ')')
   Call: (203) [system] _1939024=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x55772f068e50), [])
   Call: (202) [system] _1839814=['A']
   Exit: (202) [system] ['A']=['A']
^  Exit: (201) [user] read_list(')', (0x55772f068e50), ['A'])
   Call: (201) [system] _1744346=[a, 'A']
   Exit: (201) [system] [a, 'A']=[a, 'A']
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [a, 'A'])
   Call: (200) [system] _1640520=[:, a, 'A']
   Exit: (200) [system] [:, a, 'A']=[:, a, 'A']
^  Exit: (199) [user] read_list(')', (0x55772f068e50), [:, a, 'A'])
^  Exit: (198) [user] cont_sexpr(')', (0x55772f068e50), [:, a, 'A'])
^  Call: (198) [user] read_list(')', (0x55772f068e50), _1974564)
^  Call: (199) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _1976422)
   Exit: (200) [system] peek_char((0x55772f068e50), '\n')
   Call: (200) [system] '\n'=(;)
   Fail: (200) [system] '\n'=(;)
   Call: (200) [system] '\n'=(/)
   Fail: (200) [system] '\n'=(/)
^  Call: (200) [user] is_like_space('\n')
   Call: (201) [system] char_type('\n', 'white')
   Fail: (201) [system] char_type('\n', 'white')
   Call: (201) [system] char_type('\n', end_of_line)
   Exit: (201) [system] char_type('\n', end_of_line)
^  Exit: (200) [user] is_like_space('\n')
   Call: (200) [system] get_char((0x55772f068e50), _1987872)
   Exit: (200) [system] get_char((0x55772f068e50), '\n')
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1990576)
   Exit: (201) [system] peek_char((0x55772f068e50), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x55772f068e50), _2000170)
   Exit: (201) [system] get_char((0x55772f068e50), ' ')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _2002874)
   Exit: (202) [system] peek_char((0x55772f068e50), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
^  Exit: (199) [user] skip_spaces((0x55772f068e50))
   Call: (199) [system] peek_char((0x55772f068e50), _2020732)
   Exit: (199) [system] peek_char((0x55772f068e50), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x55772f068e50), _2026302)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _2028160)
   Exit: (201) [system] peek_char((0x55772f068e50), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] get_char((0x55772f068e50), _2044170)
   Exit: (200) [system] get_char((0x55772f068e50), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x55772f068e50), _2026302)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _2049740)
   Exit: (202) [system] peek_char((0x55772f068e50), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
   Call: (202) [system] (:)=(/)
   Fail: (202) [system] (:)=(/)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _2065750)
   Exit: (201) [system] peek_char((0x55772f068e50), :)
   Call: (201) [system] (:)=')'
   Fail: (201) [system] (:)=')'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _2071320)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _2073178)
   Exit: (203) [system] peek_char((0x55772f068e50), :)
   Call: (203) [system] (:)=(;)
   Fail: (203) [system] (:)=(;)
   Call: (203) [system] (:)=(/)
   Fail: (203) [system] (:)=(/)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Fail: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Fail: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Fail: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
   Fail: (204) [system] char_type(:, cntrl)
^  Fail: (203) [user] is_like_space(:)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _2089188)
   Exit: (202) [system] get_char((0x55772f068e50), :)
   Call: (202) [system] (:)='('
   Fail: (202) [system] (:)='('
   Call: (202) [system] (:)='['
   Fail: (202) [system] (:)='['
   Call: (202) [system] (:)='{'
   Fail: (202) [system] (:)='{'
   Call: (202) [system] (:)='"'
   Fail: (202) [system] (:)='"'
   Call: (202) [system] (:)=!
   Fail: (202) [system] (:)=!
   Call: (202) [system] (:)='\''
   Fail: (202) [system] (:)='\''
   Call: (202) [system] (:)='`'
   Fail: (202) [system] (:)='`'
   Call: (202) [system] (:)=end_of_file
   Fail: (202) [system] (:)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x55772f068e50), :, _3662)
^  Call: (203) [user] read_symbolic_cont(')', (0x55772f068e50), _13702)
   Call: (204) [system] peek_char((0x55772f068e50), _14636)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _13702=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (203) [user] classify_and_convert_charseq([:], _3662)
^  Call: (204) [user] classify_and_convert_charseq_([:], _23920)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_24872, _24874), once(user:catch(read_from_chars([:], _23920), _24854, fail)), '$restore_trace'(_24872, _24874))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_24872, _24874))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _24854, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(:)
   Exit: (205) [system] atomic(:)
^  Exit: (204) [user] classify_and_convert_charseq_([:], :)
   Call: (204) [system] integer(:)
   Fail: (204) [system] integer(:)
   Call: (204) [system] _3662=(:)
   Exit: (204) [system] (:)=(:)
^  Exit: (203) [user] classify_and_convert_charseq([:], :)
^  Exit: (202) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (201) [user] read_list(')', (0x55772f068e50), _37000)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _38858)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _48452)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _51156)
   Exit: (204) [system] peek_char((0x55772f068e50), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _68090)
   Exit: (202) [system] peek_char((0x55772f068e50), '(')
   Call: (202) [system] '('=')'
   Fail: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
   Fail: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x55772f068e50), _73660)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _75518)
   Exit: (204) [system] peek_char((0x55772f068e50), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] get_char((0x55772f068e50), _91528)
   Exit: (203) [system] get_char((0x55772f068e50), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x55772f068e50), _73660)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _97098)
   Exit: (205) [system] peek_char((0x55772f068e50), 'D')
   Call: (205) [system] 'D'=(;)
   Fail: (205) [system] 'D'=(;)
   Call: (205) [system] 'D'=(/)
   Fail: (205) [system] 'D'=(/)
^  Call: (205) [user] is_like_space('D')
   Call: (206) [system] char_type('D', 'white')
   Fail: (206) [system] char_type('D', 'white')
   Call: (206) [system] char_type('D', end_of_line)
   Fail: (206) [system] char_type('D', end_of_line)
   Call: (206) [system] char_type('D', space)
   Fail: (206) [system] char_type('D', space)
   Call: (206) [system] char_type('D', cntrl)
   Fail: (206) [system] char_type('D', cntrl)
^  Fail: (205) [user] is_like_space('D')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _113108)
   Exit: (204) [system] peek_char((0x55772f068e50), 'D')
   Call: (204) [system] 'D'=')'
   Fail: (204) [system] 'D'=')'
   Call: (204) [system] 'D'=end_of_file
   Fail: (204) [system] 'D'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x55772f068e50), _118678)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _120536)
   Exit: (206) [system] peek_char((0x55772f068e50), 'D')
   Call: (206) [system] 'D'=(;)
   Fail: (206) [system] 'D'=(;)
   Call: (206) [system] 'D'=(/)
   Fail: (206) [system] 'D'=(/)
^  Call: (206) [user] is_like_space('D')
   Call: (207) [system] char_type('D', 'white')
   Fail: (207) [system] char_type('D', 'white')
   Call: (207) [system] char_type('D', end_of_line)
   Fail: (207) [system] char_type('D', end_of_line)
   Call: (207) [system] char_type('D', space)
   Fail: (207) [system] char_type('D', space)
   Call: (207) [system] char_type('D', cntrl)
   Fail: (207) [system] char_type('D', cntrl)
^  Fail: (206) [user] is_like_space('D')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] get_char((0x55772f068e50), _136546)
   Exit: (205) [system] get_char((0x55772f068e50), 'D')
   Call: (205) [system] 'D'='('
   Fail: (205) [system] 'D'='('
   Call: (205) [system] 'D'='['
   Fail: (205) [system] 'D'='['
   Call: (205) [system] 'D'='{'
   Fail: (205) [system] 'D'='{'
   Call: (205) [system] 'D'='"'
   Fail: (205) [system] 'D'='"'
   Call: (205) [system] 'D'=!
   Fail: (205) [system] 'D'=!
   Call: (205) [system] 'D'='\''
   Fail: (205) [system] 'D'='\''
   Call: (205) [system] 'D'='`'
   Fail: (205) [system] 'D'='`'
   Call: (205) [system] 'D'=end_of_file
   Fail: (205) [system] 'D'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x55772f068e50), 'D', _118678)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _154188)
   Call: (207) [system] peek_char((0x55772f068e50), _155122)
   Exit: (207) [system] peek_char((0x55772f068e50), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_159842, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_160774, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x55772f068e50), i)
   Exit: (207) [system] get_char((0x55772f068e50), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _168124)
   Call: (208) [system] peek_char((0x55772f068e50), _169058)
   Exit: (208) [system] peek_char((0x55772f068e50), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Fail: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_173778, v('(', ')', end_of_file), s)
   Fail: (209) [system] arg(_174710, v('(', ')', end_of_file), s)
^  Fail: (208) [user] is_delimiter(s)
   Call: (208) [system] ')'==s
   Fail: (208) [system] ')'==s
   Call: (208) [system] get_char((0x55772f068e50), s)
   Exit: (208) [system] get_char((0x55772f068e50), s)
   Call: (208) [system] s=(\)
   Fail: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _182060)
   Call: (209) [system] peek_char((0x55772f068e50), _182994)
   Exit: (209) [system] peek_char((0x55772f068e50), j)
^  Call: (209) [user] is_delimiter(j)
   Call: (210) [system] char_type(j, space)
   Fail: (210) [system] char_type(j, space)
   Call: (210) [system] arg(_187714, v('(', ')', end_of_file), j)
   Fail: (210) [system] arg(_188646, v('(', ')', end_of_file), j)
^  Fail: (209) [user] is_delimiter(j)
   Call: (209) [system] ')'==j
   Fail: (209) [system] ')'==j
   Call: (209) [system] get_char((0x55772f068e50), j)
   Exit: (209) [system] get_char((0x55772f068e50), j)
   Call: (209) [system] j=(\)
   Fail: (209) [system] j=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _195996)
   Call: (210) [system] peek_char((0x55772f068e50), _196930)
   Exit: (210) [system] peek_char((0x55772f068e50), u)
^  Call: (210) [user] is_delimiter(u)
   Call: (211) [system] char_type(u, space)
   Fail: (211) [system] char_type(u, space)
   Call: (211) [system] arg(_201650, v('(', ')', end_of_file), u)
   Fail: (211) [system] arg(_202582, v('(', ')', end_of_file), u)
^  Fail: (210) [user] is_delimiter(u)
   Call: (210) [system] ')'==u
   Fail: (210) [system] ')'==u
   Call: (210) [system] get_char((0x55772f068e50), u)
   Exit: (210) [system] get_char((0x55772f068e50), u)
   Call: (210) [system] u=(\)
   Fail: (210) [system] u=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _209932)
   Call: (211) [system] peek_char((0x55772f068e50), _210866)
   Exit: (211) [system] peek_char((0x55772f068e50), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_215586, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_216518, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x55772f068e50), n)
   Exit: (211) [system] get_char((0x55772f068e50), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _223868)
   Call: (212) [system] peek_char((0x55772f068e50), _224802)
   Exit: (212) [system] peek_char((0x55772f068e50), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_229522, v('(', ')', end_of_file), c)
   Fail: (213) [system] arg(_230454, v('(', ')', end_of_file), c)
^  Fail: (212) [user] is_delimiter(c)
   Call: (212) [system] ')'==c
   Fail: (212) [system] ')'==c
   Call: (212) [system] get_char((0x55772f068e50), c)
   Exit: (212) [system] get_char((0x55772f068e50), c)
   Call: (212) [system] c=(\)
   Fail: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _237804)
   Call: (213) [system] peek_char((0x55772f068e50), _238738)
   Exit: (213) [system] peek_char((0x55772f068e50), t)
^  Call: (213) [user] is_delimiter(t)
   Call: (214) [system] char_type(t, space)
   Fail: (214) [system] char_type(t, space)
   Call: (214) [system] arg(_243458, v('(', ')', end_of_file), t)
   Fail: (214) [system] arg(_244390, v('(', ')', end_of_file), t)
^  Fail: (213) [user] is_delimiter(t)
   Call: (213) [system] ')'==t
   Fail: (213) [system] ')'==t
   Call: (213) [system] get_char((0x55772f068e50), t)
   Exit: (213) [system] get_char((0x55772f068e50), t)
   Call: (213) [system] t=(\)
   Fail: (213) [system] t=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _251740)
   Call: (214) [system] peek_char((0x55772f068e50), _252674)
   Exit: (214) [system] peek_char((0x55772f068e50), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_257394, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_258326, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x55772f068e50), i)
   Exit: (214) [system] get_char((0x55772f068e50), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _265676)
   Call: (215) [system] peek_char((0x55772f068e50), _266610)
   Exit: (215) [system] peek_char((0x55772f068e50), o)
^  Call: (215) [user] is_delimiter(o)
   Call: (216) [system] char_type(o, space)
   Fail: (216) [system] char_type(o, space)
   Call: (216) [system] arg(_271330, v('(', ')', end_of_file), o)
   Fail: (216) [system] arg(_272262, v('(', ')', end_of_file), o)
^  Fail: (215) [user] is_delimiter(o)
   Call: (215) [system] ')'==o
   Fail: (215) [system] ')'==o
   Call: (215) [system] get_char((0x55772f068e50), o)
   Exit: (215) [system] get_char((0x55772f068e50), o)
   Call: (215) [system] o=(\)
   Fail: (215) [system] o=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _279612)
   Call: (216) [system] peek_char((0x55772f068e50), _280546)
   Exit: (216) [system] peek_char((0x55772f068e50), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_285266, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_286198, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x55772f068e50), n)
   Exit: (216) [system] get_char((0x55772f068e50), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _293548)
   Call: (217) [system] peek_char((0x55772f068e50), _294482)
   Exit: (217) [system] peek_char((0x55772f068e50), 'I')
^  Call: (217) [user] is_delimiter('I')
   Call: (218) [system] char_type('I', space)
   Fail: (218) [system] char_type('I', space)
   Call: (218) [system] arg(_299202, v('(', ')', end_of_file), 'I')
   Fail: (218) [system] arg(_300134, v('(', ')', end_of_file), 'I')
^  Fail: (217) [user] is_delimiter('I')
   Call: (217) [system] ')'=='I'
   Fail: (217) [system] ')'=='I'
   Call: (217) [system] get_char((0x55772f068e50), 'I')
   Exit: (217) [system] get_char((0x55772f068e50), 'I')
   Call: (217) [system] 'I'=(\)
   Fail: (217) [system] 'I'=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _307484)
   Call: (218) [system] peek_char((0x55772f068e50), _308418)
   Exit: (218) [system] peek_char((0x55772f068e50), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_313138, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_314070, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x55772f068e50), n)
   Exit: (218) [system] get_char((0x55772f068e50), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _321420)
   Call: (219) [system] peek_char((0x55772f068e50), _322354)
   Exit: (219) [system] peek_char((0x55772f068e50), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Fail: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_327074, v('(', ')', end_of_file), t)
   Fail: (220) [system] arg(_328006, v('(', ')', end_of_file), t)
^  Fail: (219) [user] is_delimiter(t)
   Call: (219) [system] ')'==t
   Fail: (219) [system] ')'==t
   Call: (219) [system] get_char((0x55772f068e50), t)
   Exit: (219) [system] get_char((0x55772f068e50), t)
   Call: (219) [system] t=(\)
   Fail: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _335356)
   Call: (220) [system] peek_char((0x55772f068e50), _336290)
   Exit: (220) [system] peek_char((0x55772f068e50), r)
^  Call: (220) [user] is_delimiter(r)
   Call: (221) [system] char_type(r, space)
   Fail: (221) [system] char_type(r, space)
   Call: (221) [system] arg(_341010, v('(', ')', end_of_file), r)
   Fail: (221) [system] arg(_341942, v('(', ')', end_of_file), r)
^  Fail: (220) [user] is_delimiter(r)
   Call: (220) [system] ')'==r
   Fail: (220) [system] ')'==r
   Call: (220) [system] get_char((0x55772f068e50), r)
   Exit: (220) [system] get_char((0x55772f068e50), r)
   Call: (220) [system] r=(\)
   Fail: (220) [system] r=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _349292)
   Call: (221) [system] peek_char((0x55772f068e50), _350226)
   Exit: (221) [system] peek_char((0x55772f068e50), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Fail: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_354946, v('(', ')', end_of_file), o)
   Fail: (222) [system] arg(_355878, v('(', ')', end_of_file), o)
^  Fail: (221) [user] is_delimiter(o)
   Call: (221) [system] ')'==o
   Fail: (221) [system] ')'==o
   Call: (221) [system] get_char((0x55772f068e50), o)
   Exit: (221) [system] get_char((0x55772f068e50), o)
   Call: (221) [system] o=(\)
   Fail: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _363228)
   Call: (222) [system] peek_char((0x55772f068e50), _364162)
   Exit: (222) [system] peek_char((0x55772f068e50), d)
^  Call: (222) [user] is_delimiter(d)
   Call: (223) [system] char_type(d, space)
   Fail: (223) [system] char_type(d, space)
   Call: (223) [system] arg(_368882, v('(', ')', end_of_file), d)
   Fail: (223) [system] arg(_369814, v('(', ')', end_of_file), d)
^  Fail: (222) [user] is_delimiter(d)
   Call: (222) [system] ')'==d
   Fail: (222) [system] ')'==d
   Call: (222) [system] get_char((0x55772f068e50), d)
   Exit: (222) [system] get_char((0x55772f068e50), d)
   Call: (222) [system] d=(\)
   Fail: (222) [system] d=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _377164)
   Call: (223) [system] peek_char((0x55772f068e50), _378098)
   Exit: (223) [system] peek_char((0x55772f068e50), u)
^  Call: (223) [user] is_delimiter(u)
   Call: (224) [system] char_type(u, space)
   Fail: (224) [system] char_type(u, space)
   Call: (224) [system] arg(_382818, v('(', ')', end_of_file), u)
   Fail: (224) [system] arg(_383750, v('(', ')', end_of_file), u)
^  Fail: (223) [user] is_delimiter(u)
   Call: (223) [system] ')'==u
   Fail: (223) [system] ')'==u
   Call: (223) [system] get_char((0x55772f068e50), u)
   Exit: (223) [system] get_char((0x55772f068e50), u)
   Call: (223) [system] u=(\)
   Fail: (223) [system] u=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _391100)
   Call: (224) [system] peek_char((0x55772f068e50), _392034)
   Exit: (224) [system] peek_char((0x55772f068e50), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_396754, v('(', ')', end_of_file), c)
   Fail: (225) [system] arg(_397686, v('(', ')', end_of_file), c)
^  Fail: (224) [user] is_delimiter(c)
   Call: (224) [system] ')'==c
   Fail: (224) [system] ')'==c
   Call: (224) [system] get_char((0x55772f068e50), c)
   Exit: (224) [system] get_char((0x55772f068e50), c)
   Call: (224) [system] c=(\)
   Fail: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _405036)
   Call: (225) [system] peek_char((0x55772f068e50), _405970)
   Exit: (225) [system] peek_char((0x55772f068e50), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_410690, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_411622, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x55772f068e50), t)
   Exit: (225) [system] get_char((0x55772f068e50), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _418972)
   Call: (226) [system] peek_char((0x55772f068e50), _419906)
   Exit: (226) [system] peek_char((0x55772f068e50), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_424626, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_425558, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x55772f068e50), i)
   Exit: (226) [system] get_char((0x55772f068e50), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _432908)
   Call: (227) [system] peek_char((0x55772f068e50), _433842)
   Exit: (227) [system] peek_char((0x55772f068e50), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_438562, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_439494, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x55772f068e50), o)
   Exit: (227) [system] get_char((0x55772f068e50), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _446844)
   Call: (228) [system] peek_char((0x55772f068e50), _447778)
   Exit: (228) [system] peek_char((0x55772f068e50), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_452498, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_453430, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x55772f068e50), n)
   Exit: (228) [system] get_char((0x55772f068e50), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _460780)
   Call: (229) [system] peek_char((0x55772f068e50), _461714)
   Exit: (229) [system] peek_char((0x55772f068e50), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _460780=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (228) [system] _446844=[n]
   Exit: (228) [system] [n]=[n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (227) [system] _432908=[o, n]
   Exit: (227) [system] [o, n]=[o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (226) [system] _418972=[i, o, n]
   Exit: (226) [system] [i, o, n]=[i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (225) [system] _405036=[t, i, o, n]
   Exit: (225) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (224) [system] _391100=[c, t, i, o, n]
   Exit: (224) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (223) [system] _377164=[u, c, t, i, o, n]
   Exit: (223) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (222) [system] _363228=[d, u, c, t, i, o, n]
   Exit: (222) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (221) [system] _349292=[o, d, u, c, t, i, o, n]
   Exit: (221) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (220) [system] _335356=[r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _321420=[t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _307484=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _293548=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _279612=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _265676=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _251740=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _237804=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _223868=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _209932=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _195996=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _182060=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _168124=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _154188=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (206) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _118678)
^  Call: (207) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _532466)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_533418, _533420), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _532466), _533400, fail)), '$restore_trace'(_533418, _533420))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_533418, _533420))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _532466), _533400, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_532466)
   Fail: (208) [system] atomic(_532466)
   Call: (208) [system] atom_chars(_532466, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (208) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (207) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (207) [system] integer('DisjunctionIntroduction')
   Fail: (207) [system] integer('DisjunctionIntroduction')
   Call: (207) [system] _118678='DisjunctionIntroduction'
   Exit: (207) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (206) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (205) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (204) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (204) [user] read_list(')', (0x55772f068e50), _547416)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _549274)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x55772f068e50), _558868)
   Exit: (206) [system] get_char((0x55772f068e50), ' ')
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _561572)
   Exit: (207) [system] peek_char((0x55772f068e50), a)
   Call: (207) [system] a=(;)
   Fail: (207) [system] a=(;)
   Call: (207) [system] a=(/)
   Fail: (207) [system] a=(/)
^  Call: (207) [user] is_like_space(a)
   Call: (208) [system] char_type(a, 'white')
   Fail: (208) [system] char_type(a, 'white')
   Call: (208) [system] char_type(a, end_of_line)
   Fail: (208) [system] char_type(a, end_of_line)
   Call: (208) [system] char_type(a, space)
   Fail: (208) [system] char_type(a, space)
   Call: (208) [system] char_type(a, cntrl)
   Fail: (208) [system] char_type(a, cntrl)
^  Fail: (207) [user] is_like_space(a)
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _578506)
   Exit: (205) [system] peek_char((0x55772f068e50), a)
   Call: (205) [system] a=')'
   Fail: (205) [system] a=')'
   Call: (205) [system] a=end_of_file
   Fail: (205) [system] a=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x55772f068e50), _584076)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _585934)
   Exit: (207) [system] peek_char((0x55772f068e50), a)
   Call: (207) [system] a=(;)
   Fail: (207) [system] a=(;)
   Call: (207) [system] a=(/)
   Fail: (207) [system] a=(/)
^  Call: (207) [user] is_like_space(a)
   Call: (208) [system] char_type(a, 'white')
   Fail: (208) [system] char_type(a, 'white')
   Call: (208) [system] char_type(a, end_of_line)
   Fail: (208) [system] char_type(a, end_of_line)
   Call: (208) [system] char_type(a, space)
   Fail: (208) [system] char_type(a, space)
   Call: (208) [system] char_type(a, cntrl)
   Fail: (208) [system] char_type(a, cntrl)
^  Fail: (207) [user] is_like_space(a)
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] get_char((0x55772f068e50), _601944)
   Exit: (206) [system] get_char((0x55772f068e50), a)
   Call: (206) [system] a='('
   Fail: (206) [system] a='('
   Call: (206) [system] a='['
   Fail: (206) [system] a='['
   Call: (206) [system] a='{'
   Fail: (206) [system] a='{'
   Call: (206) [system] a='"'
   Fail: (206) [system] a='"'
   Call: (206) [system] a=!
   Fail: (206) [system] a=!
   Call: (206) [system] a='\''
   Fail: (206) [system] a='\''
   Call: (206) [system] a='`'
   Fail: (206) [system] a='`'
   Call: (206) [system] a=end_of_file
   Fail: (206) [system] a=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x55772f068e50), a, _584076)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _619586)
   Call: (208) [system] peek_char((0x55772f068e50), _620520)
   Exit: (208) [system] peek_char((0x55772f068e50), b)
^  Call: (208) [user] is_delimiter(b)
   Call: (209) [system] char_type(b, space)
   Fail: (209) [system] char_type(b, space)
   Call: (209) [system] arg(_625240, v('(', ')', end_of_file), b)
   Fail: (209) [system] arg(_626172, v('(', ')', end_of_file), b)
^  Fail: (208) [user] is_delimiter(b)
   Call: (208) [system] ')'==b
   Fail: (208) [system] ')'==b
   Call: (208) [system] get_char((0x55772f068e50), b)
   Exit: (208) [system] get_char((0x55772f068e50), b)
   Call: (208) [system] b=(\)
   Fail: (208) [system] b=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _633522)
   Call: (209) [system] peek_char((0x55772f068e50), _634456)
   Exit: (209) [system] peek_char((0x55772f068e50), c)
^  Call: (209) [user] is_delimiter(c)
   Call: (210) [system] char_type(c, space)
   Fail: (210) [system] char_type(c, space)
   Call: (210) [system] arg(_639176, v('(', ')', end_of_file), c)
   Fail: (210) [system] arg(_640108, v('(', ')', end_of_file), c)
^  Fail: (209) [user] is_delimiter(c)
   Call: (209) [system] ')'==c
   Fail: (209) [system] ')'==c
   Call: (209) [system] get_char((0x55772f068e50), c)
   Exit: (209) [system] get_char((0x55772f068e50), c)
   Call: (209) [system] c=(\)
   Fail: (209) [system] c=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _647458)
   Call: (210) [system] peek_char((0x55772f068e50), _648392)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _647458=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (209) [system] _633522=[c]
   Exit: (209) [system] [c]=[c]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (208) [system] _619586=[b, c]
   Exit: (208) [system] [b, c]=[b, c]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (207) [user] classify_and_convert_charseq([a, b, c], _584076)
^  Call: (208) [user] classify_and_convert_charseq_([a, b, c], _663264)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_664216, _664218), once(user:catch(read_from_chars([a, b, c], _663264), _664198, fail)), '$restore_trace'(_664216, _664218))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_664216, _664218))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _664198, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(abc)
   Exit: (209) [system] atomic(abc)
^  Exit: (208) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (208) [system] integer(abc)
   Fail: (208) [system] integer(abc)
   Call: (208) [system] _584076=abc
   Exit: (208) [system] abc=abc
^  Exit: (207) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (206) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (205) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (205) [user] read_list(')', (0x55772f068e50), _676344)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _678202)
   Exit: (207) [system] peek_char((0x55772f068e50), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x55772f068e50), _687796)
   Exit: (207) [system] get_char((0x55772f068e50), ' ')
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _690500)
   Exit: (208) [system] peek_char((0x55772f068e50), a)
   Call: (208) [system] a=(;)
   Fail: (208) [system] a=(;)
   Call: (208) [system] a=(/)
   Fail: (208) [system] a=(/)
^  Call: (208) [user] is_like_space(a)
   Call: (209) [system] char_type(a, 'white')
   Fail: (209) [system] char_type(a, 'white')
   Call: (209) [system] char_type(a, end_of_line)
   Fail: (209) [system] char_type(a, end_of_line)
   Call: (209) [system] char_type(a, space)
   Fail: (209) [system] char_type(a, space)
   Call: (209) [system] char_type(a, cntrl)
   Fail: (209) [system] char_type(a, cntrl)
^  Fail: (208) [user] is_like_space(a)
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _707434)
   Exit: (206) [system] peek_char((0x55772f068e50), a)
   Call: (206) [system] a=')'
   Fail: (206) [system] a=')'
   Call: (206) [system] a=end_of_file
   Fail: (206) [system] a=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x55772f068e50), _713004)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _714862)
   Exit: (208) [system] peek_char((0x55772f068e50), a)
   Call: (208) [system] a=(;)
   Fail: (208) [system] a=(;)
   Call: (208) [system] a=(/)
   Fail: (208) [system] a=(/)
^  Call: (208) [user] is_like_space(a)
   Call: (209) [system] char_type(a, 'white')
   Fail: (209) [system] char_type(a, 'white')
   Call: (209) [system] char_type(a, end_of_line)
   Fail: (209) [system] char_type(a, end_of_line)
   Call: (209) [system] char_type(a, space)
   Fail: (209) [system] char_type(a, space)
   Call: (209) [system] char_type(a, cntrl)
   Fail: (209) [system] char_type(a, cntrl)
^  Fail: (208) [user] is_like_space(a)
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] get_char((0x55772f068e50), _730872)
   Exit: (207) [system] get_char((0x55772f068e50), a)
   Call: (207) [system] a='('
   Fail: (207) [system] a='('
   Call: (207) [system] a='['
   Fail: (207) [system] a='['
   Call: (207) [system] a='{'
   Fail: (207) [system] a='{'
   Call: (207) [system] a='"'
   Fail: (207) [system] a='"'
   Call: (207) [system] a=!
   Fail: (207) [system] a=!
   Call: (207) [system] a='\''
   Fail: (207) [system] a='\''
   Call: (207) [system] a='`'
   Fail: (207) [system] a='`'
   Call: (207) [system] a=end_of_file
   Fail: (207) [system] a=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x55772f068e50), a, _713004)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _748514)
   Call: (209) [system] peek_char((0x55772f068e50), _749448)
   Exit: (209) [system] peek_char((0x55772f068e50), b)
^  Call: (209) [user] is_delimiter(b)
   Call: (210) [system] char_type(b, space)
   Fail: (210) [system] char_type(b, space)
   Call: (210) [system] arg(_754168, v('(', ')', end_of_file), b)
   Fail: (210) [system] arg(_755100, v('(', ')', end_of_file), b)
^  Fail: (209) [user] is_delimiter(b)
   Call: (209) [system] ')'==b
   Fail: (209) [system] ')'==b
   Call: (209) [system] get_char((0x55772f068e50), b)
   Exit: (209) [system] get_char((0x55772f068e50), b)
   Call: (209) [system] b=(\)
   Fail: (209) [system] b=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _762450)
   Call: (210) [system] peek_char((0x55772f068e50), _763384)
   Exit: (210) [system] peek_char((0x55772f068e50), c)
^  Call: (210) [user] is_delimiter(c)
   Call: (211) [system] char_type(c, space)
   Fail: (211) [system] char_type(c, space)
   Call: (211) [system] arg(_768104, v('(', ')', end_of_file), c)
   Fail: (211) [system] arg(_769036, v('(', ')', end_of_file), c)
^  Fail: (210) [user] is_delimiter(c)
   Call: (210) [system] ')'==c
   Fail: (210) [system] ')'==c
   Call: (210) [system] get_char((0x55772f068e50), c)
   Exit: (210) [system] get_char((0x55772f068e50), c)
   Call: (210) [system] c=(\)
   Fail: (210) [system] c=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _776386)
   Call: (211) [system] peek_char((0x55772f068e50), _777320)
   Exit: (211) [system] peek_char((0x55772f068e50), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_782040, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _776386=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (210) [system] _762450=[c]
   Exit: (210) [system] [c]=[c]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (209) [system] _748514=[b, c]
   Exit: (209) [system] [b, c]=[b, c]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (208) [user] classify_and_convert_charseq([a, b, c], _713004)
^  Call: (209) [user] classify_and_convert_charseq_([a, b, c], _794064)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_795016, _795018), once(user:catch(read_from_chars([a, b, c], _794064), _794998, fail)), '$restore_trace'(_795016, _795018))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_795016, _795018))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _794998, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(abc)
   Exit: (210) [system] atomic(abc)
^  Exit: (209) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (209) [system] integer(abc)
   Fail: (209) [system] integer(abc)
   Call: (209) [system] _713004=abc
   Exit: (209) [system] abc=abc
^  Exit: (208) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (207) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (206) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (206) [user] read_list(')', (0x55772f068e50), _807144)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _809002)
   Exit: (208) [system] peek_char((0x55772f068e50), ')')
   Call: (208) [system] ')'=(;)
   Fail: (208) [system] ')'=(;)
   Call: (208) [system] ')'=(/)
   Fail: (208) [system] ')'=(/)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Fail: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Fail: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
   Fail: (209) [system] char_type(')', cntrl)
^  Fail: (208) [user] is_like_space(')')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _825012)
   Exit: (207) [system] peek_char((0x55772f068e50), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x55772f068e50), _828802)
   Exit: (207) [system] get_char((0x55772f068e50), ')')
   Call: (207) [system] _807144=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x55772f068e50), [])
   Call: (206) [system] _676344=[abc]
   Exit: (206) [system] [abc]=[abc]
^  Exit: (205) [user] read_list(')', (0x55772f068e50), [abc])
   Call: (205) [system] _547416=[abc, abc]
   Exit: (205) [system] [abc, abc]=[abc, abc]
^  Exit: (204) [user] read_list(')', (0x55772f068e50), [abc, abc])
   Call: (204) [system] _73660=['DisjunctionIntroduction', abc, abc]
   Exit: (204) [system] ['DisjunctionIntroduction', abc, abc]=['DisjunctionIntroduction', abc, abc]
^  Exit: (203) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, abc])
^  Exit: (202) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, abc])
^  Call: (202) [user] read_list(')', (0x55772f068e50), _842684)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _844542)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x55772f068e50), _854136)
   Exit: (204) [system] get_char((0x55772f068e50), ' ')
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _856840)
   Exit: (205) [system] peek_char((0x55772f068e50), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _873774)
   Exit: (203) [system] peek_char((0x55772f068e50), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x55772f068e50), _879344)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _881202)
   Exit: (205) [system] peek_char((0x55772f068e50), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] get_char((0x55772f068e50), _897212)
   Exit: (204) [system] get_char((0x55772f068e50), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x55772f068e50), _879344)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _902782)
   Exit: (206) [system] peek_char((0x55772f068e50), 'O')
   Call: (206) [system] 'O'=(;)
   Fail: (206) [system] 'O'=(;)
   Call: (206) [system] 'O'=(/)
   Fail: (206) [system] 'O'=(/)
^  Call: (206) [user] is_like_space('O')
   Call: (207) [system] char_type('O', 'white')
   Fail: (207) [system] char_type('O', 'white')
   Call: (207) [system] char_type('O', end_of_line)
   Fail: (207) [system] char_type('O', end_of_line)
   Call: (207) [system] char_type('O', space)
   Fail: (207) [system] char_type('O', space)
   Call: (207) [system] char_type('O', cntrl)
   Fail: (207) [system] char_type('O', cntrl)
^  Fail: (206) [user] is_like_space('O')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _918792)
   Exit: (205) [system] peek_char((0x55772f068e50), 'O')
   Call: (205) [system] 'O'=')'
   Fail: (205) [system] 'O'=')'
   Call: (205) [system] 'O'=end_of_file
   Fail: (205) [system] 'O'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x55772f068e50), _924362)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _926220)
   Exit: (207) [system] peek_char((0x55772f068e50), 'O')
   Call: (207) [system] 'O'=(;)
   Fail: (207) [system] 'O'=(;)
   Call: (207) [system] 'O'=(/)
   Fail: (207) [system] 'O'=(/)
^  Call: (207) [user] is_like_space('O')
   Call: (208) [system] char_type('O', 'white')
   Fail: (208) [system] char_type('O', 'white')
   Call: (208) [system] char_type('O', end_of_line)
   Fail: (208) [system] char_type('O', end_of_line)
   Call: (208) [system] char_type('O', space)
   Fail: (208) [system] char_type('O', space)
   Call: (208) [system] char_type('O', cntrl)
   Fail: (208) [system] char_type('O', cntrl)
^  Fail: (207) [user] is_like_space('O')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] get_char((0x55772f068e50), _942230)
   Exit: (206) [system] get_char((0x55772f068e50), 'O')
   Call: (206) [system] 'O'='('
   Fail: (206) [system] 'O'='('
   Call: (206) [system] 'O'='['
   Fail: (206) [system] 'O'='['
   Call: (206) [system] 'O'='{'
   Fail: (206) [system] 'O'='{'
   Call: (206) [system] 'O'='"'
   Fail: (206) [system] 'O'='"'
   Call: (206) [system] 'O'=!
   Fail: (206) [system] 'O'=!
   Call: (206) [system] 'O'='\''
   Fail: (206) [system] 'O'='\''
   Call: (206) [system] 'O'='`'
   Fail: (206) [system] 'O'='`'
   Call: (206) [system] 'O'=end_of_file
   Fail: (206) [system] 'O'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x55772f068e50), 'O', _924362)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _959872)
   Call: (208) [system] peek_char((0x55772f068e50), _960806)
   Exit: (208) [system] peek_char((0x55772f068e50), r)
^  Call: (208) [user] is_delimiter(r)
   Call: (209) [system] char_type(r, space)
   Fail: (209) [system] char_type(r, space)
   Call: (209) [system] arg(_965526, v('(', ')', end_of_file), r)
   Fail: (209) [system] arg(_966458, v('(', ')', end_of_file), r)
^  Fail: (208) [user] is_delimiter(r)
   Call: (208) [system] ')'==r
   Fail: (208) [system] ')'==r
   Call: (208) [system] get_char((0x55772f068e50), r)
   Exit: (208) [system] get_char((0x55772f068e50), r)
   Call: (208) [system] r=(\)
   Fail: (208) [system] r=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _973808)
   Call: (209) [system] peek_char((0x55772f068e50), _974742)
   Exit: (209) [system] peek_char((0x55772f068e50), 'L')
^  Call: (209) [user] is_delimiter('L')
   Call: (210) [system] char_type('L', space)
   Fail: (210) [system] char_type('L', space)
   Call: (210) [system] arg(_979462, v('(', ')', end_of_file), 'L')
   Fail: (210) [system] arg(_980394, v('(', ')', end_of_file), 'L')
^  Fail: (209) [user] is_delimiter('L')
   Call: (209) [system] ')'=='L'
   Fail: (209) [system] ')'=='L'
   Call: (209) [system] get_char((0x55772f068e50), 'L')
   Exit: (209) [system] get_char((0x55772f068e50), 'L')
   Call: (209) [system] 'L'=(\)
   Fail: (209) [system] 'L'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _987744)
   Call: (210) [system] peek_char((0x55772f068e50), _988678)
   Exit: (210) [system] peek_char((0x55772f068e50), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_993398, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_994330, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x55772f068e50), i)
   Exit: (210) [system] get_char((0x55772f068e50), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1001680)
   Call: (211) [system] peek_char((0x55772f068e50), _1002614)
   Exit: (211) [system] peek_char((0x55772f068e50), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_1007334, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_1008266, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x55772f068e50), n)
   Exit: (211) [system] get_char((0x55772f068e50), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1015616)
   Call: (212) [system] peek_char((0x55772f068e50), _1016550)
   Exit: (212) [system] peek_char((0x55772f068e50), k)
^  Call: (212) [user] is_delimiter(k)
   Call: (213) [system] char_type(k, space)
   Fail: (213) [system] char_type(k, space)
   Call: (213) [system] arg(_1021270, v('(', ')', end_of_file), k)
   Fail: (213) [system] arg(_1022202, v('(', ')', end_of_file), k)
^  Fail: (212) [user] is_delimiter(k)
   Call: (212) [system] ')'==k
   Fail: (212) [system] ')'==k
   Call: (212) [system] get_char((0x55772f068e50), k)
   Exit: (212) [system] get_char((0x55772f068e50), k)
   Call: (212) [system] k=(\)
   Fail: (212) [system] k=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1029552)
   Call: (213) [system] peek_char((0x55772f068e50), _1030486)
   Exit: (213) [system] peek_char((0x55772f068e50), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _1029552=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (212) [system] _1015616=[k]
   Exit: (212) [system] [k]=[k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (211) [system] _1001680=[n, k]
   Exit: (211) [system] [n, k]=[n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (210) [system] _987744=[i, n, k]
   Exit: (210) [system] [i, n, k]=[i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (209) [system] _973808=['L', i, n, k]
   Exit: (209) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (208) [system] _959872=[r, 'L', i, n, k]
   Exit: (208) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (207) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _924362)
^  Call: (208) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1053740)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1054692, _1054694), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1053740), _1054674, fail)), '$restore_trace'(_1054692, _1054694))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1054692, _1054694))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1053740), _1054674, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_1053740)
   Fail: (209) [system] atomic(_1053740)
   Call: (209) [system] atom_chars(_1053740, ['O', r, 'L', i, n, k])
   Exit: (209) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (208) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (208) [system] integer('OrLink')
   Fail: (208) [system] integer('OrLink')
   Call: (208) [system] _924362='OrLink'
   Exit: (208) [system] 'OrLink'='OrLink'
^  Exit: (207) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (206) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (205) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (205) [user] read_list(')', (0x55772f068e50), _1068690)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1070548)
   Exit: (207) [system] peek_char((0x55772f068e50), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x55772f068e50), _1080142)
   Exit: (207) [system] get_char((0x55772f068e50), ' ')
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1082846)
   Exit: (208) [system] peek_char((0x55772f068e50), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1099780)
   Exit: (206) [system] peek_char((0x55772f068e50), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x55772f068e50), _1105350)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1107208)
   Exit: (208) [system] peek_char((0x55772f068e50), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] get_char((0x55772f068e50), _1123218)
   Exit: (207) [system] get_char((0x55772f068e50), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x55772f068e50), _1105350)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1128788)
   Exit: (209) [system] peek_char((0x55772f068e50), 'I')
   Call: (209) [system] 'I'=(;)
   Fail: (209) [system] 'I'=(;)
   Call: (209) [system] 'I'=(/)
   Fail: (209) [system] 'I'=(/)
^  Call: (209) [user] is_like_space('I')
   Call: (210) [system] char_type('I', 'white')
   Fail: (210) [system] char_type('I', 'white')
   Call: (210) [system] char_type('I', end_of_line)
   Fail: (210) [system] char_type('I', end_of_line)
   Call: (210) [system] char_type('I', space)
   Fail: (210) [system] char_type('I', space)
   Call: (210) [system] char_type('I', cntrl)
   Fail: (210) [system] char_type('I', cntrl)
^  Fail: (209) [user] is_like_space('I')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1144798)
   Exit: (208) [system] peek_char((0x55772f068e50), 'I')
   Call: (208) [system] 'I'=')'
   Fail: (208) [system] 'I'=')'
   Call: (208) [system] 'I'=end_of_file
   Fail: (208) [system] 'I'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x55772f068e50), _1150368)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1152226)
   Exit: (210) [system] peek_char((0x55772f068e50), 'I')
   Call: (210) [system] 'I'=(;)
   Fail: (210) [system] 'I'=(;)
   Call: (210) [system] 'I'=(/)
   Fail: (210) [system] 'I'=(/)
^  Call: (210) [user] is_like_space('I')
   Call: (211) [system] char_type('I', 'white')
   Fail: (211) [system] char_type('I', 'white')
   Call: (211) [system] char_type('I', end_of_line)
   Fail: (211) [system] char_type('I', end_of_line)
   Call: (211) [system] char_type('I', space)
   Fail: (211) [system] char_type('I', space)
   Call: (211) [system] char_type('I', cntrl)
   Fail: (211) [system] char_type('I', cntrl)
^  Fail: (210) [user] is_like_space('I')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] get_char((0x55772f068e50), _1168236)
   Exit: (209) [system] get_char((0x55772f068e50), 'I')
   Call: (209) [system] 'I'='('
   Fail: (209) [system] 'I'='('
   Call: (209) [system] 'I'='['
   Fail: (209) [system] 'I'='['
   Call: (209) [system] 'I'='{'
   Fail: (209) [system] 'I'='{'
   Call: (209) [system] 'I'='"'
   Fail: (209) [system] 'I'='"'
   Call: (209) [system] 'I'=!
   Fail: (209) [system] 'I'=!
   Call: (209) [system] 'I'='\''
   Fail: (209) [system] 'I'='\''
   Call: (209) [system] 'I'='`'
   Fail: (209) [system] 'I'='`'
   Call: (209) [system] 'I'=end_of_file
   Fail: (209) [system] 'I'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x55772f068e50), 'I', _1150368)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1185878)
   Call: (211) [system] peek_char((0x55772f068e50), _1186812)
   Exit: (211) [system] peek_char((0x55772f068e50), m)
^  Call: (211) [user] is_delimiter(m)
   Call: (212) [system] char_type(m, space)
   Fail: (212) [system] char_type(m, space)
   Call: (212) [system] arg(_1191532, v('(', ')', end_of_file), m)
   Fail: (212) [system] arg(_1192464, v('(', ')', end_of_file), m)
^  Fail: (211) [user] is_delimiter(m)
   Call: (211) [system] ')'==m
   Fail: (211) [system] ')'==m
   Call: (211) [system] get_char((0x55772f068e50), m)
   Exit: (211) [system] get_char((0x55772f068e50), m)
   Call: (211) [system] m=(\)
   Fail: (211) [system] m=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1199814)
   Call: (212) [system] peek_char((0x55772f068e50), _1200748)
   Exit: (212) [system] peek_char((0x55772f068e50), p)
^  Call: (212) [user] is_delimiter(p)
   Call: (213) [system] char_type(p, space)
   Fail: (213) [system] char_type(p, space)
   Call: (213) [system] arg(_1205468, v('(', ')', end_of_file), p)
   Fail: (213) [system] arg(_1206400, v('(', ')', end_of_file), p)
^  Fail: (212) [user] is_delimiter(p)
   Call: (212) [system] ')'==p
   Fail: (212) [system] ')'==p
   Call: (212) [system] get_char((0x55772f068e50), p)
   Exit: (212) [system] get_char((0x55772f068e50), p)
   Call: (212) [system] p=(\)
   Fail: (212) [system] p=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1213750)
   Call: (213) [system] peek_char((0x55772f068e50), _1214684)
   Exit: (213) [system] peek_char((0x55772f068e50), l)
^  Call: (213) [user] is_delimiter(l)
   Call: (214) [system] char_type(l, space)
   Fail: (214) [system] char_type(l, space)
   Call: (214) [system] arg(_1219404, v('(', ')', end_of_file), l)
   Fail: (214) [system] arg(_1220336, v('(', ')', end_of_file), l)
^  Fail: (213) [user] is_delimiter(l)
   Call: (213) [system] ')'==l
   Fail: (213) [system] ')'==l
   Call: (213) [system] get_char((0x55772f068e50), l)
   Exit: (213) [system] get_char((0x55772f068e50), l)
   Call: (213) [system] l=(\)
   Fail: (213) [system] l=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1227686)
   Call: (214) [system] peek_char((0x55772f068e50), _1228620)
   Exit: (214) [system] peek_char((0x55772f068e50), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_1233340, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_1234272, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x55772f068e50), i)
   Exit: (214) [system] get_char((0x55772f068e50), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1241622)
   Call: (215) [system] peek_char((0x55772f068e50), _1242556)
   Exit: (215) [system] peek_char((0x55772f068e50), c)
^  Call: (215) [user] is_delimiter(c)
   Call: (216) [system] char_type(c, space)
   Fail: (216) [system] char_type(c, space)
   Call: (216) [system] arg(_1247276, v('(', ')', end_of_file), c)
   Fail: (216) [system] arg(_1248208, v('(', ')', end_of_file), c)
^  Fail: (215) [user] is_delimiter(c)
   Call: (215) [system] ')'==c
   Fail: (215) [system] ')'==c
   Call: (215) [system] get_char((0x55772f068e50), c)
   Exit: (215) [system] get_char((0x55772f068e50), c)
   Call: (215) [system] c=(\)
   Fail: (215) [system] c=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1255558)
   Call: (216) [system] peek_char((0x55772f068e50), _1256492)
   Exit: (216) [system] peek_char((0x55772f068e50), a)
^  Call: (216) [user] is_delimiter(a)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] arg(_1261212, v('(', ')', end_of_file), a)
   Fail: (217) [system] arg(_1262144, v('(', ')', end_of_file), a)
^  Fail: (216) [user] is_delimiter(a)
   Call: (216) [system] ')'==a
   Fail: (216) [system] ')'==a
   Call: (216) [system] get_char((0x55772f068e50), a)
   Exit: (216) [system] get_char((0x55772f068e50), a)
   Call: (216) [system] a=(\)
   Fail: (216) [system] a=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1269494)
   Call: (217) [system] peek_char((0x55772f068e50), _1270428)
   Exit: (217) [system] peek_char((0x55772f068e50), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Fail: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_1275148, v('(', ')', end_of_file), t)
   Fail: (218) [system] arg(_1276080, v('(', ')', end_of_file), t)
^  Fail: (217) [user] is_delimiter(t)
   Call: (217) [system] ')'==t
   Fail: (217) [system] ')'==t
   Call: (217) [system] get_char((0x55772f068e50), t)
   Exit: (217) [system] get_char((0x55772f068e50), t)
   Call: (217) [system] t=(\)
   Fail: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1283430)
   Call: (218) [system] peek_char((0x55772f068e50), _1284364)
   Exit: (218) [system] peek_char((0x55772f068e50), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_1289084, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_1290016, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x55772f068e50), i)
   Exit: (218) [system] get_char((0x55772f068e50), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1297366)
   Call: (219) [system] peek_char((0x55772f068e50), _1298300)
   Exit: (219) [system] peek_char((0x55772f068e50), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Fail: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_1303020, v('(', ')', end_of_file), o)
   Fail: (220) [system] arg(_1303952, v('(', ')', end_of_file), o)
^  Fail: (219) [user] is_delimiter(o)
   Call: (219) [system] ')'==o
   Fail: (219) [system] ')'==o
   Call: (219) [system] get_char((0x55772f068e50), o)
   Exit: (219) [system] get_char((0x55772f068e50), o)
   Call: (219) [system] o=(\)
   Fail: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1311302)
   Call: (220) [system] peek_char((0x55772f068e50), _1312236)
   Exit: (220) [system] peek_char((0x55772f068e50), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1316956, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1317888, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x55772f068e50), n)
   Exit: (220) [system] get_char((0x55772f068e50), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1325238)
   Call: (221) [system] peek_char((0x55772f068e50), _1326172)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _1325238=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (220) [system] _1311302=[n]
   Exit: (220) [system] [n]=[n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (219) [system] _1297366=[o, n]
   Exit: (219) [system] [o, n]=[o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (218) [system] _1283430=[i, o, n]
   Exit: (218) [system] [i, o, n]=[i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (217) [system] _1269494=[t, i, o, n]
   Exit: (217) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (216) [system] _1255558=[a, t, i, o, n]
   Exit: (216) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (215) [system] _1241622=[c, a, t, i, o, n]
   Exit: (215) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (214) [system] _1227686=[i, c, a, t, i, o, n]
   Exit: (214) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (213) [system] _1213750=[l, i, c, a, t, i, o, n]
   Exit: (213) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (212) [system] _1199814=[p, l, i, c, a, t, i, o, n]
   Exit: (212) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (211) [system] _1185878=[m, p, l, i, c, a, t, i, o, n]
   Exit: (211) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (210) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1150368)
^  Call: (211) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1363396)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1364348, _1364350), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1363396), _1364330, fail)), '$restore_trace'(_1364348, _1364350))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1364348, _1364350))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1363396), _1364330, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1363396)
   Fail: (212) [system] atomic(_1363396)
   Call: (212) [system] atom_chars(_1363396, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (212) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (211) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (211) [system] integer('Implication')
   Fail: (211) [system] integer('Implication')
   Call: (211) [system] _1150368='Implication'
   Exit: (211) [system] 'Implication'='Implication'
^  Exit: (210) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (209) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (208) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (208) [user] read_list(')', (0x55772f068e50), _1378346)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1380204)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x55772f068e50), _1389798)
   Exit: (210) [system] get_char((0x55772f068e50), ' ')
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1392502)
   Exit: (211) [system] peek_char((0x55772f068e50), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1409436)
   Exit: (209) [system] peek_char((0x55772f068e50), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x55772f068e50), _1415006)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1416864)
   Exit: (211) [system] peek_char((0x55772f068e50), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] get_char((0x55772f068e50), _1432874)
   Exit: (210) [system] get_char((0x55772f068e50), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x55772f068e50), _1415006)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1438444)
   Exit: (212) [system] peek_char((0x55772f068e50), 'A')
   Call: (212) [system] 'A'=(;)
   Fail: (212) [system] 'A'=(;)
   Call: (212) [system] 'A'=(/)
   Fail: (212) [system] 'A'=(/)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Fail: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Fail: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Fail: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
   Fail: (213) [system] char_type('A', cntrl)
^  Fail: (212) [user] is_like_space('A')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1454454)
   Exit: (211) [system] peek_char((0x55772f068e50), 'A')
   Call: (211) [system] 'A'=')'
   Fail: (211) [system] 'A'=')'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x55772f068e50), _1460024)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1461882)
   Exit: (213) [system] peek_char((0x55772f068e50), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
   Call: (213) [system] 'A'=(/)
   Fail: (213) [system] 'A'=(/)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] get_char((0x55772f068e50), _1477892)
   Exit: (212) [system] get_char((0x55772f068e50), 'A')
   Call: (212) [system] 'A'='('
   Fail: (212) [system] 'A'='('
   Call: (212) [system] 'A'='['
   Fail: (212) [system] 'A'='['
   Call: (212) [system] 'A'='{'
   Fail: (212) [system] 'A'='{'
   Call: (212) [system] 'A'='"'
   Fail: (212) [system] 'A'='"'
   Call: (212) [system] 'A'=!
   Fail: (212) [system] 'A'=!
   Call: (212) [system] 'A'='\''
   Fail: (212) [system] 'A'='\''
   Call: (212) [system] 'A'='`'
   Fail: (212) [system] 'A'='`'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x55772f068e50), 'A', _1460024)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1495534)
   Call: (214) [system] peek_char((0x55772f068e50), _1496468)
   Exit: (214) [system] peek_char((0x55772f068e50), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1501188, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1502120, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x55772f068e50), n)
   Exit: (214) [system] get_char((0x55772f068e50), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1509470)
   Call: (215) [system] peek_char((0x55772f068e50), _1510404)
   Exit: (215) [system] peek_char((0x55772f068e50), d)
^  Call: (215) [user] is_delimiter(d)
   Call: (216) [system] char_type(d, space)
   Fail: (216) [system] char_type(d, space)
   Call: (216) [system] arg(_1515124, v('(', ')', end_of_file), d)
   Fail: (216) [system] arg(_1516056, v('(', ')', end_of_file), d)
^  Fail: (215) [user] is_delimiter(d)
   Call: (215) [system] ')'==d
   Fail: (215) [system] ')'==d
   Call: (215) [system] get_char((0x55772f068e50), d)
   Exit: (215) [system] get_char((0x55772f068e50), d)
   Call: (215) [system] d=(\)
   Fail: (215) [system] d=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1523406)
   Call: (216) [system] peek_char((0x55772f068e50), _1524340)
   Exit: (216) [system] peek_char((0x55772f068e50), 'L')
^  Call: (216) [user] is_delimiter('L')
   Call: (217) [system] char_type('L', space)
   Fail: (217) [system] char_type('L', space)
   Call: (217) [system] arg(_1529060, v('(', ')', end_of_file), 'L')
   Fail: (217) [system] arg(_1529992, v('(', ')', end_of_file), 'L')
^  Fail: (216) [user] is_delimiter('L')
   Call: (216) [system] ')'=='L'
   Fail: (216) [system] ')'=='L'
   Call: (216) [system] get_char((0x55772f068e50), 'L')
   Exit: (216) [system] get_char((0x55772f068e50), 'L')
   Call: (216) [system] 'L'=(\)
   Fail: (216) [system] 'L'=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1537342)
   Call: (217) [system] peek_char((0x55772f068e50), _1538276)
   Exit: (217) [system] peek_char((0x55772f068e50), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1542996, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1543928, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x55772f068e50), i)
   Exit: (217) [system] get_char((0x55772f068e50), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1551278)
   Call: (218) [system] peek_char((0x55772f068e50), _1552212)
   Exit: (218) [system] peek_char((0x55772f068e50), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1556932, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_1557864, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x55772f068e50), n)
   Exit: (218) [system] get_char((0x55772f068e50), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1565214)
   Call: (219) [system] peek_char((0x55772f068e50), _1566148)
   Exit: (219) [system] peek_char((0x55772f068e50), k)
^  Call: (219) [user] is_delimiter(k)
   Call: (220) [system] char_type(k, space)
   Fail: (220) [system] char_type(k, space)
   Call: (220) [system] arg(_1570868, v('(', ')', end_of_file), k)
   Fail: (220) [system] arg(_1571800, v('(', ')', end_of_file), k)
^  Fail: (219) [user] is_delimiter(k)
   Call: (219) [system] ')'==k
   Fail: (219) [system] ')'==k
   Call: (219) [system] get_char((0x55772f068e50), k)
   Exit: (219) [system] get_char((0x55772f068e50), k)
   Call: (219) [system] k=(\)
   Fail: (219) [system] k=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1579150)
   Call: (220) [system] peek_char((0x55772f068e50), _1580084)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _1579150=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (219) [system] _1565214=[k]
   Exit: (219) [system] [k]=[k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (218) [system] _1551278=[n, k]
   Exit: (218) [system] [n, k]=[n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (217) [system] _1537342=[i, n, k]
   Exit: (217) [system] [i, n, k]=[i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (216) [system] _1523406=['L', i, n, k]
   Exit: (216) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (215) [system] _1509470=[d, 'L', i, n, k]
   Exit: (215) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (214) [system] _1495534=[n, d, 'L', i, n, k]
   Exit: (214) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (213) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1460024)
^  Call: (214) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1606132)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1607084, _1607086), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1606132), _1607066, fail)), '$restore_trace'(_1607084, _1607086))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1607084, _1607086))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1606132), _1607066, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1606132)
   Fail: (215) [system] atomic(_1606132)
   Call: (215) [system] atom_chars(_1606132, ['A', n, d, 'L', i, n, k])
   Exit: (215) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (214) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (214) [system] integer('AndLink')
   Fail: (214) [system] integer('AndLink')
   Call: (214) [system] _1460024='AndLink'
   Exit: (214) [system] 'AndLink'='AndLink'
^  Exit: (213) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (212) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (211) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (211) [user] read_list(')', (0x55772f068e50), _1621082)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1622940)
   Exit: (213) [system] peek_char((0x55772f068e50), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x55772f068e50), _1632534)
   Exit: (213) [system] get_char((0x55772f068e50), ' ')
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1635238)
   Exit: (214) [system] peek_char((0x55772f068e50), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
   Call: (214) [system] 'A'=(/)
   Fail: (214) [system] 'A'=(/)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1652172)
   Exit: (212) [system] peek_char((0x55772f068e50), 'A')
   Call: (212) [system] 'A'=')'
   Fail: (212) [system] 'A'=')'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x55772f068e50), _1657742)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1659600)
   Exit: (214) [system] peek_char((0x55772f068e50), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
   Call: (214) [system] 'A'=(/)
   Fail: (214) [system] 'A'=(/)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] get_char((0x55772f068e50), _1675610)
   Exit: (213) [system] get_char((0x55772f068e50), 'A')
   Call: (213) [system] 'A'='('
   Fail: (213) [system] 'A'='('
   Call: (213) [system] 'A'='['
   Fail: (213) [system] 'A'='['
   Call: (213) [system] 'A'='{'
   Fail: (213) [system] 'A'='{'
   Call: (213) [system] 'A'='"'
   Fail: (213) [system] 'A'='"'
   Call: (213) [system] 'A'=!
   Fail: (213) [system] 'A'=!
   Call: (213) [system] 'A'='\''
   Fail: (213) [system] 'A'='\''
   Call: (213) [system] 'A'='`'
   Fail: (213) [system] 'A'='`'
   Call: (213) [system] 'A'=end_of_file
   Fail: (213) [system] 'A'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x55772f068e50), 'A', _1657742)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1693252)
   Call: (215) [system] peek_char((0x55772f068e50), _1694186)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1693252=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (214) [user] classify_and_convert_charseq(['A'], _1657742)
^  Call: (215) [user] classify_and_convert_charseq_(['A'], _1703470)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1704422, _1704424), once(user:catch(read_from_chars(['A'], _1703470), _1704404, fail)), '$restore_trace'(_1704422, _1704424))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1704422, _1704424))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1703470), _1704404, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1703470)
   Fail: (216) [system] atomic(_1703470)
   Call: (216) [system] atom_chars(_1703470, ['A'])
   Exit: (216) [system] atom_chars('A', ['A'])
^  Exit: (215) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (215) [system] integer('A')
   Fail: (215) [system] integer('A')
   Call: (215) [system] _1657742='A'
   Exit: (215) [system] 'A'='A'
^  Exit: (214) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (213) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (212) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (212) [user] read_list(')', (0x55772f068e50), _1718420)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1720278)
   Exit: (214) [system] peek_char((0x55772f068e50), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x55772f068e50), _1729872)
   Exit: (214) [system] get_char((0x55772f068e50), ' ')
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1732576)
   Exit: (215) [system] peek_char((0x55772f068e50), 'B')
   Call: (215) [system] 'B'=(;)
   Fail: (215) [system] 'B'=(;)
   Call: (215) [system] 'B'=(/)
   Fail: (215) [system] 'B'=(/)
^  Call: (215) [user] is_like_space('B')
   Call: (216) [system] char_type('B', 'white')
   Fail: (216) [system] char_type('B', 'white')
   Call: (216) [system] char_type('B', end_of_line)
   Fail: (216) [system] char_type('B', end_of_line)
   Call: (216) [system] char_type('B', space)
   Fail: (216) [system] char_type('B', space)
   Call: (216) [system] char_type('B', cntrl)
   Fail: (216) [system] char_type('B', cntrl)
^  Fail: (215) [user] is_like_space('B')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1749510)
   Exit: (213) [system] peek_char((0x55772f068e50), 'B')
   Call: (213) [system] 'B'=')'
   Fail: (213) [system] 'B'=')'
   Call: (213) [system] 'B'=end_of_file
   Fail: (213) [system] 'B'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _1755080)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1756938)
   Exit: (215) [system] peek_char((0x55772f068e50), 'B')
   Call: (215) [system] 'B'=(;)
   Fail: (215) [system] 'B'=(;)
   Call: (215) [system] 'B'=(/)
   Fail: (215) [system] 'B'=(/)
^  Call: (215) [user] is_like_space('B')
   Call: (216) [system] char_type('B', 'white')
   Fail: (216) [system] char_type('B', 'white')
   Call: (216) [system] char_type('B', end_of_line)
   Fail: (216) [system] char_type('B', end_of_line)
   Call: (216) [system] char_type('B', space)
   Fail: (216) [system] char_type('B', space)
   Call: (216) [system] char_type('B', cntrl)
   Fail: (216) [system] char_type('B', cntrl)
^  Fail: (215) [user] is_like_space('B')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _1772948)
   Exit: (214) [system] get_char((0x55772f068e50), 'B')
   Call: (214) [system] 'B'='('
   Fail: (214) [system] 'B'='('
   Call: (214) [system] 'B'='['
   Fail: (214) [system] 'B'='['
   Call: (214) [system] 'B'='{'
   Fail: (214) [system] 'B'='{'
   Call: (214) [system] 'B'='"'
   Fail: (214) [system] 'B'='"'
   Call: (214) [system] 'B'=!
   Fail: (214) [system] 'B'=!
   Call: (214) [system] 'B'='\''
   Fail: (214) [system] 'B'='\''
   Call: (214) [system] 'B'='`'
   Fail: (214) [system] 'B'='`'
   Call: (214) [system] 'B'=end_of_file
   Fail: (214) [system] 'B'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x55772f068e50), 'B', _1755080)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1790590)
   Call: (216) [system] peek_char((0x55772f068e50), _1791524)
   Exit: (216) [system] peek_char((0x55772f068e50), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_1796244, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _1790590=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (215) [user] classify_and_convert_charseq(['B'], _1755080)
^  Call: (216) [user] classify_and_convert_charseq_(['B'], _1802680)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1803632, _1803634), once(user:catch(read_from_chars(['B'], _1802680), _1803614, fail)), '$restore_trace'(_1803632, _1803634))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1803632, _1803634))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1802680), _1803614, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1802680)
   Fail: (217) [system] atomic(_1802680)
   Call: (217) [system] atom_chars(_1802680, ['B'])
   Exit: (217) [system] atom_chars('B', ['B'])
^  Exit: (216) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (216) [system] integer('B')
   Fail: (216) [system] integer('B')
   Call: (216) [system] _1755080='B'
   Exit: (216) [system] 'B'='B'
^  Exit: (215) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (214) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (213) [user] read_list(')', (0x55772f068e50), _1817630)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1819488)
   Exit: (215) [system] peek_char((0x55772f068e50), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1835498)
   Exit: (214) [system] peek_char((0x55772f068e50), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x55772f068e50), _1839288)
   Exit: (214) [system] get_char((0x55772f068e50), ')')
   Call: (214) [system] _1817630=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x55772f068e50), [])
   Call: (213) [system] _1718420=['B']
   Exit: (213) [system] ['B']=['B']
^  Exit: (212) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (212) [system] _1621082=['A', 'B']
   Exit: (212) [system] ['A', 'B']=['A', 'B']
^  Exit: (211) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (211) [system] _1415006=['AndLink', 'A', 'B']
   Exit: (211) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (210) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (209) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (209) [user] read_list(')', (0x55772f068e50), _1853170)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1855028)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x55772f068e50), _1864622)
   Exit: (211) [system] get_char((0x55772f068e50), ' ')
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1867326)
   Exit: (212) [system] peek_char((0x55772f068e50), 'C')
   Call: (212) [system] 'C'=(;)
   Fail: (212) [system] 'C'=(;)
   Call: (212) [system] 'C'=(/)
   Fail: (212) [system] 'C'=(/)
^  Call: (212) [user] is_like_space('C')
   Call: (213) [system] char_type('C', 'white')
   Fail: (213) [system] char_type('C', 'white')
   Call: (213) [system] char_type('C', end_of_line)
   Fail: (213) [system] char_type('C', end_of_line)
   Call: (213) [system] char_type('C', space)
   Fail: (213) [system] char_type('C', space)
   Call: (213) [system] char_type('C', cntrl)
   Fail: (213) [system] char_type('C', cntrl)
^  Fail: (212) [user] is_like_space('C')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1884260)
   Exit: (210) [system] peek_char((0x55772f068e50), 'C')
   Call: (210) [system] 'C'=')'
   Fail: (210) [system] 'C'=')'
   Call: (210) [system] 'C'=end_of_file
   Fail: (210) [system] 'C'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x55772f068e50), _1889830)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1891688)
   Exit: (212) [system] peek_char((0x55772f068e50), 'C')
   Call: (212) [system] 'C'=(;)
   Fail: (212) [system] 'C'=(;)
   Call: (212) [system] 'C'=(/)
   Fail: (212) [system] 'C'=(/)
^  Call: (212) [user] is_like_space('C')
   Call: (213) [system] char_type('C', 'white')
   Fail: (213) [system] char_type('C', 'white')
   Call: (213) [system] char_type('C', end_of_line)
   Fail: (213) [system] char_type('C', end_of_line)
   Call: (213) [system] char_type('C', space)
   Fail: (213) [system] char_type('C', space)
   Call: (213) [system] char_type('C', cntrl)
   Fail: (213) [system] char_type('C', cntrl)
^  Fail: (212) [user] is_like_space('C')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] get_char((0x55772f068e50), _1907698)
   Exit: (211) [system] get_char((0x55772f068e50), 'C')
   Call: (211) [system] 'C'='('
   Fail: (211) [system] 'C'='('
   Call: (211) [system] 'C'='['
   Fail: (211) [system] 'C'='['
   Call: (211) [system] 'C'='{'
   Fail: (211) [system] 'C'='{'
   Call: (211) [system] 'C'='"'
   Fail: (211) [system] 'C'='"'
   Call: (211) [system] 'C'=!
   Fail: (211) [system] 'C'=!
   Call: (211) [system] 'C'='\''
   Fail: (211) [system] 'C'='\''
   Call: (211) [system] 'C'='`'
   Fail: (211) [system] 'C'='`'
   Call: (211) [system] 'C'=end_of_file
   Fail: (211) [system] 'C'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x55772f068e50), 'C', _1889830)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1925340)
   Call: (213) [system] peek_char((0x55772f068e50), _1926274)
   Exit: (213) [system] peek_char((0x55772f068e50), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_1930994, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _1925340=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (212) [user] classify_and_convert_charseq(['C'], _1889830)
^  Call: (213) [user] classify_and_convert_charseq_(['C'], _1937430)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1938382, _1938384), once(user:catch(read_from_chars(['C'], _1937430), _1938364, fail)), '$restore_trace'(_1938382, _1938384))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1938382, _1938384))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1937430), _1938364, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1937430)
   Fail: (214) [system] atomic(_1937430)
   Call: (214) [system] atom_chars(_1937430, ['C'])
   Exit: (214) [system] atom_chars('C', ['C'])
^  Exit: (213) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (213) [system] integer('C')
   Fail: (213) [system] integer('C')
   Call: (213) [system] _1889830='C'
   Exit: (213) [system] 'C'='C'
^  Exit: (212) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (211) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (210) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (210) [user] read_list(')', (0x55772f068e50), _1952380)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1954238)
   Exit: (212) [system] peek_char((0x55772f068e50), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1970248)
   Exit: (211) [system] peek_char((0x55772f068e50), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x55772f068e50), _1974038)
   Exit: (211) [system] get_char((0x55772f068e50), ')')
   Call: (211) [system] _1952380=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x55772f068e50), [])
   Call: (210) [system] _1853170=['C']
   Exit: (210) [system] ['C']=['C']
^  Exit: (209) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (209) [system] _1378346=[['AndLink', 'A', 'B'], 'C']
   Exit: (209) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (208) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (208) [system] _1105350=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (208) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (207) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (206) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (206) [user] read_list(')', (0x55772f068e50), _1987920)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1989778)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x55772f068e50), _1999372)
   Exit: (208) [system] get_char((0x55772f068e50), ' ')
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _2002076)
   Exit: (209) [system] peek_char((0x55772f068e50), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _2019010)
   Exit: (207) [system] peek_char((0x55772f068e50), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x55772f068e50), _2024580)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _2026438)
   Exit: (209) [system] peek_char((0x55772f068e50), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] get_char((0x55772f068e50), _2042448)
   Exit: (208) [system] get_char((0x55772f068e50), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x55772f068e50), _2024580)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _2048018)
   Exit: (210) [system] peek_char((0x55772f068e50), 'I')
   Call: (210) [system] 'I'=(;)
   Fail: (210) [system] 'I'=(;)
   Call: (210) [system] 'I'=(/)
   Fail: (210) [system] 'I'=(/)
^  Call: (210) [user] is_like_space('I')
   Call: (211) [system] char_type('I', 'white')
   Fail: (211) [system] char_type('I', 'white')
   Call: (211) [system] char_type('I', end_of_line)
   Fail: (211) [system] char_type('I', end_of_line)
   Call: (211) [system] char_type('I', space)
   Fail: (211) [system] char_type('I', space)
   Call: (211) [system] char_type('I', cntrl)
   Fail: (211) [system] char_type('I', cntrl)
^  Fail: (210) [user] is_like_space('I')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _2064028)
   Exit: (209) [system] peek_char((0x55772f068e50), 'I')
   Call: (209) [system] 'I'=')'
   Fail: (209) [system] 'I'=')'
   Call: (209) [system] 'I'=end_of_file
   Fail: (209) [system] 'I'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x55772f068e50), _2069598)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _2071456)
   Exit: (211) [system] peek_char((0x55772f068e50), 'I')
   Call: (211) [system] 'I'=(;)
   Fail: (211) [system] 'I'=(;)
   Call: (211) [system] 'I'=(/)
   Fail: (211) [system] 'I'=(/)
^  Call: (211) [user] is_like_space('I')
   Call: (212) [system] char_type('I', 'white')
   Fail: (212) [system] char_type('I', 'white')
   Call: (212) [system] char_type('I', end_of_line)
   Fail: (212) [system] char_type('I', end_of_line)
   Call: (212) [system] char_type('I', space)
   Fail: (212) [system] char_type('I', space)
   Call: (212) [system] char_type('I', cntrl)
   Fail: (212) [system] char_type('I', cntrl)
^  Fail: (211) [user] is_like_space('I')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] get_char((0x55772f068e50), _2087466)
   Exit: (210) [system] get_char((0x55772f068e50), 'I')
   Call: (210) [system] 'I'='('
   Fail: (210) [system] 'I'='('
   Call: (210) [system] 'I'='['
   Fail: (210) [system] 'I'='['
   Call: (210) [system] 'I'='{'
   Fail: (210) [system] 'I'='{'
   Call: (210) [system] 'I'='"'
   Fail: (210) [system] 'I'='"'
   Call: (210) [system] 'I'=!
   Fail: (210) [system] 'I'=!
   Call: (210) [system] 'I'='\''
   Fail: (210) [system] 'I'='\''
   Call: (210) [system] 'I'='`'
   Fail: (210) [system] 'I'='`'
   Call: (210) [system] 'I'=end_of_file
   Fail: (210) [system] 'I'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x55772f068e50), 'I', _3752)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _11988)
   Call: (212) [system] peek_char((0x55772f068e50), _12922)
   Exit: (212) [system] peek_char((0x55772f068e50), m)
^  Call: (212) [user] is_delimiter(m)
   Call: (213) [system] char_type(m, space)
   Fail: (213) [system] char_type(m, space)
   Call: (213) [system] arg(_17642, v('(', ')', end_of_file), m)
   Fail: (213) [system] arg(_18574, v('(', ')', end_of_file), m)
^  Fail: (212) [user] is_delimiter(m)
   Call: (212) [system] ')'==m
   Fail: (212) [system] ')'==m
   Call: (212) [system] get_char((0x55772f068e50), m)
   Exit: (212) [system] get_char((0x55772f068e50), m)
   Call: (212) [system] m=(\)
   Fail: (212) [system] m=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _25924)
   Call: (213) [system] peek_char((0x55772f068e50), _26858)
   Exit: (213) [system] peek_char((0x55772f068e50), p)
^  Call: (213) [user] is_delimiter(p)
   Call: (214) [system] char_type(p, space)
   Fail: (214) [system] char_type(p, space)
   Call: (214) [system] arg(_31578, v('(', ')', end_of_file), p)
   Fail: (214) [system] arg(_32510, v('(', ')', end_of_file), p)
^  Fail: (213) [user] is_delimiter(p)
   Call: (213) [system] ')'==p
   Fail: (213) [system] ')'==p
   Call: (213) [system] get_char((0x55772f068e50), p)
   Exit: (213) [system] get_char((0x55772f068e50), p)
   Call: (213) [system] p=(\)
   Fail: (213) [system] p=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _39860)
   Call: (214) [system] peek_char((0x55772f068e50), _40794)
   Exit: (214) [system] peek_char((0x55772f068e50), l)
^  Call: (214) [user] is_delimiter(l)
   Call: (215) [system] char_type(l, space)
   Fail: (215) [system] char_type(l, space)
   Call: (215) [system] arg(_45514, v('(', ')', end_of_file), l)
   Fail: (215) [system] arg(_46446, v('(', ')', end_of_file), l)
^  Fail: (214) [user] is_delimiter(l)
   Call: (214) [system] ')'==l
   Fail: (214) [system] ')'==l
   Call: (214) [system] get_char((0x55772f068e50), l)
   Exit: (214) [system] get_char((0x55772f068e50), l)
   Call: (214) [system] l=(\)
   Fail: (214) [system] l=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _53796)
   Call: (215) [system] peek_char((0x55772f068e50), _54730)
   Exit: (215) [system] peek_char((0x55772f068e50), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_59450, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_60382, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x55772f068e50), i)
   Exit: (215) [system] get_char((0x55772f068e50), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _67732)
   Call: (216) [system] peek_char((0x55772f068e50), _68666)
   Exit: (216) [system] peek_char((0x55772f068e50), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_73386, v('(', ')', end_of_file), c)
   Fail: (217) [system] arg(_74318, v('(', ')', end_of_file), c)
^  Fail: (216) [user] is_delimiter(c)
   Call: (216) [system] ')'==c
   Fail: (216) [system] ')'==c
   Call: (216) [system] get_char((0x55772f068e50), c)
   Exit: (216) [system] get_char((0x55772f068e50), c)
   Call: (216) [system] c=(\)
   Fail: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _81668)
   Call: (217) [system] peek_char((0x55772f068e50), _82602)
   Exit: (217) [system] peek_char((0x55772f068e50), a)
^  Call: (217) [user] is_delimiter(a)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] arg(_87322, v('(', ')', end_of_file), a)
   Fail: (218) [system] arg(_88254, v('(', ')', end_of_file), a)
^  Fail: (217) [user] is_delimiter(a)
   Call: (217) [system] ')'==a
   Fail: (217) [system] ')'==a
   Call: (217) [system] get_char((0x55772f068e50), a)
   Exit: (217) [system] get_char((0x55772f068e50), a)
   Call: (217) [system] a=(\)
   Fail: (217) [system] a=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _95604)
   Call: (218) [system] peek_char((0x55772f068e50), _96538)
   Exit: (218) [system] peek_char((0x55772f068e50), t)
^  Call: (218) [user] is_delimiter(t)
   Call: (219) [system] char_type(t, space)
   Fail: (219) [system] char_type(t, space)
   Call: (219) [system] arg(_101258, v('(', ')', end_of_file), t)
   Fail: (219) [system] arg(_102190, v('(', ')', end_of_file), t)
^  Fail: (218) [user] is_delimiter(t)
   Call: (218) [system] ')'==t
   Fail: (218) [system] ')'==t
   Call: (218) [system] get_char((0x55772f068e50), t)
   Exit: (218) [system] get_char((0x55772f068e50), t)
   Call: (218) [system] t=(\)
   Fail: (218) [system] t=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _109540)
   Call: (219) [system] peek_char((0x55772f068e50), _110474)
   Exit: (219) [system] peek_char((0x55772f068e50), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_115194, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_116126, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x55772f068e50), i)
   Exit: (219) [system] get_char((0x55772f068e50), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _123476)
   Call: (220) [system] peek_char((0x55772f068e50), _124410)
   Exit: (220) [system] peek_char((0x55772f068e50), o)
^  Call: (220) [user] is_delimiter(o)
   Call: (221) [system] char_type(o, space)
   Fail: (221) [system] char_type(o, space)
   Call: (221) [system] arg(_129130, v('(', ')', end_of_file), o)
   Fail: (221) [system] arg(_130062, v('(', ')', end_of_file), o)
^  Fail: (220) [user] is_delimiter(o)
   Call: (220) [system] ')'==o
   Fail: (220) [system] ')'==o
   Call: (220) [system] get_char((0x55772f068e50), o)
   Exit: (220) [system] get_char((0x55772f068e50), o)
   Call: (220) [system] o=(\)
   Fail: (220) [system] o=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _137412)
   Call: (221) [system] peek_char((0x55772f068e50), _138346)
   Exit: (221) [system] peek_char((0x55772f068e50), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_143066, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_143998, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x55772f068e50), n)
   Exit: (221) [system] get_char((0x55772f068e50), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _151348)
   Call: (222) [system] peek_char((0x55772f068e50), _152282)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _151348=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (221) [system] _137412=[n]
   Exit: (221) [system] [n]=[n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (220) [system] _123476=[o, n]
   Exit: (220) [system] [o, n]=[o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (219) [system] _109540=[i, o, n]
   Exit: (219) [system] [i, o, n]=[i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (218) [system] _95604=[t, i, o, n]
   Exit: (218) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (217) [system] _81668=[a, t, i, o, n]
   Exit: (217) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (216) [system] _67732=[c, a, t, i, o, n]
   Exit: (216) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (215) [system] _53796=[i, c, a, t, i, o, n]
   Exit: (215) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (214) [system] _39860=[l, i, c, a, t, i, o, n]
   Exit: (214) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (213) [system] _25924=[p, l, i, c, a, t, i, o, n]
   Exit: (213) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (212) [system] _11988=[m, p, l, i, c, a, t, i, o, n]
   Exit: (212) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (211) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _3752)
^  Call: (212) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _189506)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_190458, _190460), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _189506), _190440, fail)), '$restore_trace'(_190458, _190460))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_190458, _190460))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _189506), _190440, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_189506)
   Fail: (213) [system] atomic(_189506)
   Call: (213) [system] atom_chars(_189506, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (213) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (212) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (212) [system] integer('Implication')
   Fail: (212) [system] integer('Implication')
   Call: (212) [system] _3752='Implication'
   Exit: (212) [system] 'Implication'='Implication'
^  Exit: (211) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (210) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (209) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (209) [user] read_list(')', (0x55772f068e50), _204456)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _206314)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x55772f068e50), _215908)
   Exit: (211) [system] get_char((0x55772f068e50), ' ')
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _218612)
   Exit: (212) [system] peek_char((0x55772f068e50), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _235546)
   Exit: (210) [system] peek_char((0x55772f068e50), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x55772f068e50), _241116)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _242974)
   Exit: (212) [system] peek_char((0x55772f068e50), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] get_char((0x55772f068e50), _258984)
   Exit: (211) [system] get_char((0x55772f068e50), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x55772f068e50), _241116)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _264554)
   Exit: (213) [system] peek_char((0x55772f068e50), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
   Call: (213) [system] 'A'=(/)
   Fail: (213) [system] 'A'=(/)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _280564)
   Exit: (212) [system] peek_char((0x55772f068e50), 'A')
   Call: (212) [system] 'A'=')'
   Fail: (212) [system] 'A'=')'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x55772f068e50), _286134)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _287992)
   Exit: (214) [system] peek_char((0x55772f068e50), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
   Call: (214) [system] 'A'=(/)
   Fail: (214) [system] 'A'=(/)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] get_char((0x55772f068e50), _304002)
   Exit: (213) [system] get_char((0x55772f068e50), 'A')
   Call: (213) [system] 'A'='('
   Fail: (213) [system] 'A'='('
   Call: (213) [system] 'A'='['
   Fail: (213) [system] 'A'='['
   Call: (213) [system] 'A'='{'
   Fail: (213) [system] 'A'='{'
   Call: (213) [system] 'A'='"'
   Fail: (213) [system] 'A'='"'
   Call: (213) [system] 'A'=!
   Fail: (213) [system] 'A'=!
   Call: (213) [system] 'A'='\''
   Fail: (213) [system] 'A'='\''
   Call: (213) [system] 'A'='`'
   Fail: (213) [system] 'A'='`'
   Call: (213) [system] 'A'=end_of_file
   Fail: (213) [system] 'A'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x55772f068e50), 'A', _286134)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _321644)
   Call: (215) [system] peek_char((0x55772f068e50), _322578)
   Exit: (215) [system] peek_char((0x55772f068e50), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_327298, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_328230, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x55772f068e50), n)
   Exit: (215) [system] get_char((0x55772f068e50), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _335580)
   Call: (216) [system] peek_char((0x55772f068e50), _336514)
   Exit: (216) [system] peek_char((0x55772f068e50), d)
^  Call: (216) [user] is_delimiter(d)
   Call: (217) [system] char_type(d, space)
   Fail: (217) [system] char_type(d, space)
   Call: (217) [system] arg(_341234, v('(', ')', end_of_file), d)
   Fail: (217) [system] arg(_342166, v('(', ')', end_of_file), d)
^  Fail: (216) [user] is_delimiter(d)
   Call: (216) [system] ')'==d
   Fail: (216) [system] ')'==d
   Call: (216) [system] get_char((0x55772f068e50), d)
   Exit: (216) [system] get_char((0x55772f068e50), d)
   Call: (216) [system] d=(\)
   Fail: (216) [system] d=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _349516)
   Call: (217) [system] peek_char((0x55772f068e50), _350450)
   Exit: (217) [system] peek_char((0x55772f068e50), 'L')
^  Call: (217) [user] is_delimiter('L')
   Call: (218) [system] char_type('L', space)
   Fail: (218) [system] char_type('L', space)
   Call: (218) [system] arg(_355170, v('(', ')', end_of_file), 'L')
   Fail: (218) [system] arg(_356102, v('(', ')', end_of_file), 'L')
^  Fail: (217) [user] is_delimiter('L')
   Call: (217) [system] ')'=='L'
   Fail: (217) [system] ')'=='L'
   Call: (217) [system] get_char((0x55772f068e50), 'L')
   Exit: (217) [system] get_char((0x55772f068e50), 'L')
   Call: (217) [system] 'L'=(\)
   Fail: (217) [system] 'L'=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _363452)
   Call: (218) [system] peek_char((0x55772f068e50), _364386)
   Exit: (218) [system] peek_char((0x55772f068e50), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_369106, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_370038, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x55772f068e50), i)
   Exit: (218) [system] get_char((0x55772f068e50), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _377388)
   Call: (219) [system] peek_char((0x55772f068e50), _378322)
   Exit: (219) [system] peek_char((0x55772f068e50), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_383042, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_383974, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x55772f068e50), n)
   Exit: (219) [system] get_char((0x55772f068e50), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _391324)
   Call: (220) [system] peek_char((0x55772f068e50), _392258)
   Exit: (220) [system] peek_char((0x55772f068e50), k)
^  Call: (220) [user] is_delimiter(k)
   Call: (221) [system] char_type(k, space)
   Fail: (221) [system] char_type(k, space)
   Call: (221) [system] arg(_396978, v('(', ')', end_of_file), k)
   Fail: (221) [system] arg(_397910, v('(', ')', end_of_file), k)
^  Fail: (220) [user] is_delimiter(k)
   Call: (220) [system] ')'==k
   Fail: (220) [system] ')'==k
   Call: (220) [system] get_char((0x55772f068e50), k)
   Exit: (220) [system] get_char((0x55772f068e50), k)
   Call: (220) [system] k=(\)
   Fail: (220) [system] k=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _405260)
   Call: (221) [system] peek_char((0x55772f068e50), _406194)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _405260=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (220) [system] _391324=[k]
   Exit: (220) [system] [k]=[k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (219) [system] _377388=[n, k]
   Exit: (219) [system] [n, k]=[n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (218) [system] _363452=[i, n, k]
   Exit: (218) [system] [i, n, k]=[i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (217) [system] _349516=['L', i, n, k]
   Exit: (217) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (216) [system] _335580=[d, 'L', i, n, k]
   Exit: (216) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (215) [system] _321644=[n, d, 'L', i, n, k]
   Exit: (215) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (214) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _286134)
^  Call: (215) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _432242)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_433194, _433196), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _432242), _433176, fail)), '$restore_trace'(_433194, _433196))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_433194, _433196))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _432242), _433176, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_432242)
   Fail: (216) [system] atomic(_432242)
   Call: (216) [system] atom_chars(_432242, ['A', n, d, 'L', i, n, k])
   Exit: (216) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (215) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (215) [system] integer('AndLink')
   Fail: (215) [system] integer('AndLink')
   Call: (215) [system] _286134='AndLink'
   Exit: (215) [system] 'AndLink'='AndLink'
^  Exit: (214) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (213) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (212) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (212) [user] read_list(')', (0x55772f068e50), _447192)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _449050)
   Exit: (214) [system] peek_char((0x55772f068e50), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x55772f068e50), _458644)
   Exit: (214) [system] get_char((0x55772f068e50), ' ')
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _461348)
   Exit: (215) [system] peek_char((0x55772f068e50), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
   Call: (215) [system] 'A'=(/)
   Fail: (215) [system] 'A'=(/)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _478282)
   Exit: (213) [system] peek_char((0x55772f068e50), 'A')
   Call: (213) [system] 'A'=')'
   Fail: (213) [system] 'A'=')'
   Call: (213) [system] 'A'=end_of_file
   Fail: (213) [system] 'A'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _483852)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _485710)
   Exit: (215) [system] peek_char((0x55772f068e50), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
   Call: (215) [system] 'A'=(/)
   Fail: (215) [system] 'A'=(/)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _501720)
   Exit: (214) [system] get_char((0x55772f068e50), 'A')
   Call: (214) [system] 'A'='('
   Fail: (214) [system] 'A'='('
   Call: (214) [system] 'A'='['
   Fail: (214) [system] 'A'='['
   Call: (214) [system] 'A'='{'
   Fail: (214) [system] 'A'='{'
   Call: (214) [system] 'A'='"'
   Fail: (214) [system] 'A'='"'
   Call: (214) [system] 'A'=!
   Fail: (214) [system] 'A'=!
   Call: (214) [system] 'A'='\''
   Fail: (214) [system] 'A'='\''
   Call: (214) [system] 'A'='`'
   Fail: (214) [system] 'A'='`'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x55772f068e50), 'A', _483852)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _519362)
   Call: (216) [system] peek_char((0x55772f068e50), _520296)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _519362=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (215) [user] classify_and_convert_charseq(['A'], _483852)
^  Call: (216) [user] classify_and_convert_charseq_(['A'], _529580)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_530532, _530534), once(user:catch(read_from_chars(['A'], _529580), _530514, fail)), '$restore_trace'(_530532, _530534))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_530532, _530534))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _529580), _530514, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_529580)
   Fail: (217) [system] atomic(_529580)
   Call: (217) [system] atom_chars(_529580, ['A'])
   Exit: (217) [system] atom_chars('A', ['A'])
^  Exit: (216) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (216) [system] integer('A')
   Fail: (216) [system] integer('A')
   Call: (216) [system] _483852='A'
   Exit: (216) [system] 'A'='A'
^  Exit: (215) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (214) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (213) [user] read_list(')', (0x55772f068e50), _544530)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _546388)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x55772f068e50), _555982)
   Exit: (215) [system] get_char((0x55772f068e50), ' ')
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _558686)
   Exit: (216) [system] peek_char((0x55772f068e50), 'B')
   Call: (216) [system] 'B'=(;)
   Fail: (216) [system] 'B'=(;)
   Call: (216) [system] 'B'=(/)
   Fail: (216) [system] 'B'=(/)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Fail: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Fail: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Fail: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
   Fail: (217) [system] char_type('B', cntrl)
^  Fail: (216) [user] is_like_space('B')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _575620)
   Exit: (214) [system] peek_char((0x55772f068e50), 'B')
   Call: (214) [system] 'B'=')'
   Fail: (214) [system] 'B'=')'
   Call: (214) [system] 'B'=end_of_file
   Fail: (214) [system] 'B'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _581190)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _583048)
   Exit: (216) [system] peek_char((0x55772f068e50), 'B')
   Call: (216) [system] 'B'=(;)
   Fail: (216) [system] 'B'=(;)
   Call: (216) [system] 'B'=(/)
   Fail: (216) [system] 'B'=(/)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Fail: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Fail: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Fail: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
   Fail: (217) [system] char_type('B', cntrl)
^  Fail: (216) [user] is_like_space('B')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _599058)
   Exit: (215) [system] get_char((0x55772f068e50), 'B')
   Call: (215) [system] 'B'='('
   Fail: (215) [system] 'B'='('
   Call: (215) [system] 'B'='['
   Fail: (215) [system] 'B'='['
   Call: (215) [system] 'B'='{'
   Fail: (215) [system] 'B'='{'
   Call: (215) [system] 'B'='"'
   Fail: (215) [system] 'B'='"'
   Call: (215) [system] 'B'=!
   Fail: (215) [system] 'B'=!
   Call: (215) [system] 'B'='\''
   Fail: (215) [system] 'B'='\''
   Call: (215) [system] 'B'='`'
   Fail: (215) [system] 'B'='`'
   Call: (215) [system] 'B'=end_of_file
   Fail: (215) [system] 'B'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x55772f068e50), 'B', _581190)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _616700)
   Call: (217) [system] peek_char((0x55772f068e50), _617634)
   Exit: (217) [system] peek_char((0x55772f068e50), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_622354, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _616700=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (216) [user] classify_and_convert_charseq(['B'], _581190)
^  Call: (217) [user] classify_and_convert_charseq_(['B'], _628790)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_629742, _629744), once(user:catch(read_from_chars(['B'], _628790), _629724, fail)), '$restore_trace'(_629742, _629744))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_629742, _629744))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _628790), _629724, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_628790)
   Fail: (218) [system] atomic(_628790)
   Call: (218) [system] atom_chars(_628790, ['B'])
   Exit: (218) [system] atom_chars('B', ['B'])
^  Exit: (217) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (217) [system] integer('B')
   Fail: (217) [system] integer('B')
   Call: (217) [system] _581190='B'
   Exit: (217) [system] 'B'='B'
^  Exit: (216) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (215) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (214) [user] read_list(')', (0x55772f068e50), _643740)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _645598)
   Exit: (216) [system] peek_char((0x55772f068e50), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _661608)
   Exit: (215) [system] peek_char((0x55772f068e50), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x55772f068e50), _665398)
   Exit: (215) [system] get_char((0x55772f068e50), ')')
   Call: (215) [system] _643740=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x55772f068e50), [])
   Call: (214) [system] _544530=['B']
   Exit: (214) [system] ['B']=['B']
^  Exit: (213) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (213) [system] _447192=['A', 'B']
   Exit: (213) [system] ['A', 'B']=['A', 'B']
^  Exit: (212) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (212) [system] _241116=['AndLink', 'A', 'B']
   Exit: (212) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (211) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (210) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (210) [user] read_list(')', (0x55772f068e50), _679280)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _681138)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x55772f068e50), _690732)
   Exit: (212) [system] get_char((0x55772f068e50), ' ')
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _693436)
   Exit: (213) [system] peek_char((0x55772f068e50), 'C')
   Call: (213) [system] 'C'=(;)
   Fail: (213) [system] 'C'=(;)
   Call: (213) [system] 'C'=(/)
   Fail: (213) [system] 'C'=(/)
^  Call: (213) [user] is_like_space('C')
   Call: (214) [system] char_type('C', 'white')
   Fail: (214) [system] char_type('C', 'white')
   Call: (214) [system] char_type('C', end_of_line)
   Fail: (214) [system] char_type('C', end_of_line)
   Call: (214) [system] char_type('C', space)
   Fail: (214) [system] char_type('C', space)
   Call: (214) [system] char_type('C', cntrl)
   Fail: (214) [system] char_type('C', cntrl)
^  Fail: (213) [user] is_like_space('C')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _710370)
   Exit: (211) [system] peek_char((0x55772f068e50), 'C')
   Call: (211) [system] 'C'=')'
   Fail: (211) [system] 'C'=')'
   Call: (211) [system] 'C'=end_of_file
   Fail: (211) [system] 'C'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x55772f068e50), _715940)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _717798)
   Exit: (213) [system] peek_char((0x55772f068e50), 'C')
   Call: (213) [system] 'C'=(;)
   Fail: (213) [system] 'C'=(;)
   Call: (213) [system] 'C'=(/)
   Fail: (213) [system] 'C'=(/)
^  Call: (213) [user] is_like_space('C')
   Call: (214) [system] char_type('C', 'white')
   Fail: (214) [system] char_type('C', 'white')
   Call: (214) [system] char_type('C', end_of_line)
   Fail: (214) [system] char_type('C', end_of_line)
   Call: (214) [system] char_type('C', space)
   Fail: (214) [system] char_type('C', space)
   Call: (214) [system] char_type('C', cntrl)
   Fail: (214) [system] char_type('C', cntrl)
^  Fail: (213) [user] is_like_space('C')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] get_char((0x55772f068e50), _733808)
   Exit: (212) [system] get_char((0x55772f068e50), 'C')
   Call: (212) [system] 'C'='('
   Fail: (212) [system] 'C'='('
   Call: (212) [system] 'C'='['
   Fail: (212) [system] 'C'='['
   Call: (212) [system] 'C'='{'
   Fail: (212) [system] 'C'='{'
   Call: (212) [system] 'C'='"'
   Fail: (212) [system] 'C'='"'
   Call: (212) [system] 'C'=!
   Fail: (212) [system] 'C'=!
   Call: (212) [system] 'C'='\''
   Fail: (212) [system] 'C'='\''
   Call: (212) [system] 'C'='`'
   Fail: (212) [system] 'C'='`'
   Call: (212) [system] 'C'=end_of_file
   Fail: (212) [system] 'C'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x55772f068e50), 'C', _715940)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _751450)
   Call: (214) [system] peek_char((0x55772f068e50), _752384)
   Exit: (214) [system] peek_char((0x55772f068e50), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_757104, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _751450=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (213) [user] classify_and_convert_charseq(['C'], _715940)
^  Call: (214) [user] classify_and_convert_charseq_(['C'], _763540)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_764492, _764494), once(user:catch(read_from_chars(['C'], _763540), _764474, fail)), '$restore_trace'(_764492, _764494))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_764492, _764494))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _763540), _764474, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_763540)
   Fail: (215) [system] atomic(_763540)
   Call: (215) [system] atom_chars(_763540, ['C'])
   Exit: (215) [system] atom_chars('C', ['C'])
^  Exit: (214) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (214) [system] integer('C')
   Fail: (214) [system] integer('C')
   Call: (214) [system] _715940='C'
   Exit: (214) [system] 'C'='C'
^  Exit: (213) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (212) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (211) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (211) [user] read_list(')', (0x55772f068e50), _778490)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _780348)
   Exit: (213) [system] peek_char((0x55772f068e50), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
   Call: (213) [system] ')'=(/)
   Fail: (213) [system] ')'=(/)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _796358)
   Exit: (212) [system] peek_char((0x55772f068e50), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x55772f068e50), _800148)
   Exit: (212) [system] get_char((0x55772f068e50), ')')
   Call: (212) [system] _778490=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x55772f068e50), [])
   Call: (211) [system] _679280=['C']
   Exit: (211) [system] ['C']=['C']
^  Exit: (210) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (210) [system] _204456=[['AndLink', 'A', 'B'], 'C']
   Exit: (210) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (209) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (209) [system] _3746=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (209) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (208) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (207) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (207) [user] read_list(')', (0x55772f068e50), _814030)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _815888)
   Exit: (209) [system] peek_char((0x55772f068e50), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
   Call: (209) [system] ')'=(/)
   Fail: (209) [system] ')'=(/)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _831898)
   Exit: (208) [system] peek_char((0x55772f068e50), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x55772f068e50), _835688)
   Exit: (208) [system] get_char((0x55772f068e50), ')')
   Call: (208) [system] _814030=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x55772f068e50), [])
   Call: (207) [system] _3742=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (207) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (206) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (206) [system] _3700=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (206) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (205) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (205) [system] _3692=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (205) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (204) [user] read_list(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (203) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (203) [user] read_list(')', (0x55772f068e50), _849570)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _851428)
   Exit: (205) [system] peek_char((0x55772f068e50), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _867438)
   Exit: (204) [system] peek_char((0x55772f068e50), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x55772f068e50), _871228)
   Exit: (204) [system] get_char((0x55772f068e50), ')')
   Call: (204) [system] _849570=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x55772f068e50), [])
   Call: (203) [system] _3688=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (203) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (202) [user] read_list(')', (0x55772f068e50), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (202) [system] _3664=[['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (202) [system] [['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (201) [system] _3656=[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (201) [system] [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (200) [user] read_list(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (199) [user] cont_sexpr(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (199) [user] read_list(')', (0x55772f068e50), _885110)
^  Call: (200) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _886968)
   Exit: (201) [system] peek_char((0x55772f068e50), '\n')
   Call: (201) [system] '\n'=(;)
   Fail: (201) [system] '\n'=(;)
   Call: (201) [system] '\n'=(/)
   Fail: (201) [system] '\n'=(/)
^  Call: (201) [user] is_like_space('\n')
   Call: (202) [system] char_type('\n', 'white')
   Fail: (202) [system] char_type('\n', 'white')
   Call: (202) [system] char_type('\n', end_of_line)
   Exit: (202) [system] char_type('\n', end_of_line)
^  Exit: (201) [user] is_like_space('\n')
   Call: (201) [system] get_char((0x55772f068e50), _898418)
   Exit: (201) [system] get_char((0x55772f068e50), '\n')
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _901122)
   Exit: (202) [system] peek_char((0x55772f068e50), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x55772f068e50), _910716)
   Exit: (202) [system] get_char((0x55772f068e50), ' ')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _913420)
   Exit: (203) [system] peek_char((0x55772f068e50), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
^  Exit: (200) [user] skip_spaces((0x55772f068e50))
   Call: (200) [system] peek_char((0x55772f068e50), _931278)
   Exit: (200) [system] peek_char((0x55772f068e50), '(')
   Call: (200) [system] '('=')'
   Fail: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
   Fail: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x55772f068e50), _936848)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _938706)
   Exit: (202) [system] peek_char((0x55772f068e50), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] get_char((0x55772f068e50), _954716)
   Exit: (201) [system] get_char((0x55772f068e50), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x55772f068e50), _936848)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _960286)
   Exit: (203) [system] peek_char((0x55772f068e50), :)
   Call: (203) [system] (:)=(;)
   Fail: (203) [system] (:)=(;)
   Call: (203) [system] (:)=(/)
   Fail: (203) [system] (:)=(/)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Fail: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Fail: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Fail: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
   Fail: (204) [system] char_type(:, cntrl)
^  Fail: (203) [user] is_like_space(:)
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _976296)
   Exit: (202) [system] peek_char((0x55772f068e50), :)
   Call: (202) [system] (:)=')'
   Fail: (202) [system] (:)=')'
   Call: (202) [system] (:)=end_of_file
   Fail: (202) [system] (:)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x55772f068e50), _981866)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _983724)
   Exit: (204) [system] peek_char((0x55772f068e50), :)
   Call: (204) [system] (:)=(;)
   Fail: (204) [system] (:)=(;)
   Call: (204) [system] (:)=(/)
   Fail: (204) [system] (:)=(/)
^  Call: (204) [user] is_like_space(:)
   Call: (205) [system] char_type(:, 'white')
   Fail: (205) [system] char_type(:, 'white')
   Call: (205) [system] char_type(:, end_of_line)
   Fail: (205) [system] char_type(:, end_of_line)
   Call: (205) [system] char_type(:, space)
   Fail: (205) [system] char_type(:, space)
   Call: (205) [system] char_type(:, cntrl)
   Fail: (205) [system] char_type(:, cntrl)
^  Fail: (204) [user] is_like_space(:)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] get_char((0x55772f068e50), _999734)
   Exit: (203) [system] get_char((0x55772f068e50), :)
   Call: (203) [system] (:)='('
   Fail: (203) [system] (:)='('
   Call: (203) [system] (:)='['
   Fail: (203) [system] (:)='['
   Call: (203) [system] (:)='{'
   Fail: (203) [system] (:)='{'
   Call: (203) [system] (:)='"'
   Fail: (203) [system] (:)='"'
   Call: (203) [system] (:)=!
   Fail: (203) [system] (:)=!
   Call: (203) [system] (:)='\''
   Fail: (203) [system] (:)='\''
   Call: (203) [system] (:)='`'
   Fail: (203) [system] (:)='`'
   Call: (203) [system] (:)=end_of_file
   Fail: (203) [system] (:)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x55772f068e50), :, _981866)
^  Call: (204) [user] read_symbolic_cont(')', (0x55772f068e50), _1017376)
   Call: (205) [system] peek_char((0x55772f068e50), _1018310)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1017376=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (204) [user] classify_and_convert_charseq([:], _981866)
^  Call: (205) [user] classify_and_convert_charseq_([:], _1027594)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1028546, _1028548), once(user:catch(read_from_chars([:], _1027594), _1028528, fail)), '$restore_trace'(_1028546, _1028548))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1028546, _1028548))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1028528, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(:)
   Exit: (206) [system] atomic(:)
^  Exit: (205) [user] classify_and_convert_charseq_([:], :)
   Call: (205) [system] integer(:)
   Fail: (205) [system] integer(:)
   Call: (205) [system] _981866=(:)
   Exit: (205) [system] (:)=(:)
^  Exit: (204) [user] classify_and_convert_charseq([:], :)
^  Exit: (203) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (202) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (202) [user] read_list(')', (0x55772f068e50), _1040674)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1042532)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x55772f068e50), _1052126)
   Exit: (204) [system] get_char((0x55772f068e50), ' ')
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1054830)
   Exit: (205) [system] peek_char((0x55772f068e50), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1071764)
   Exit: (203) [system] peek_char((0x55772f068e50), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x55772f068e50), _1077334)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1079192)
   Exit: (205) [system] peek_char((0x55772f068e50), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] get_char((0x55772f068e50), _1095202)
   Exit: (204) [system] get_char((0x55772f068e50), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x55772f068e50), _1077334)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1100772)
   Exit: (206) [system] peek_char((0x55772f068e50), 'D')
   Call: (206) [system] 'D'=(;)
   Fail: (206) [system] 'D'=(;)
   Call: (206) [system] 'D'=(/)
   Fail: (206) [system] 'D'=(/)
^  Call: (206) [user] is_like_space('D')
   Call: (207) [system] char_type('D', 'white')
   Fail: (207) [system] char_type('D', 'white')
   Call: (207) [system] char_type('D', end_of_line)
   Fail: (207) [system] char_type('D', end_of_line)
   Call: (207) [system] char_type('D', space)
   Fail: (207) [system] char_type('D', space)
   Call: (207) [system] char_type('D', cntrl)
   Fail: (207) [system] char_type('D', cntrl)
^  Fail: (206) [user] is_like_space('D')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1116782)
   Exit: (205) [system] peek_char((0x55772f068e50), 'D')
   Call: (205) [system] 'D'=')'
   Fail: (205) [system] 'D'=')'
   Call: (205) [system] 'D'=end_of_file
   Fail: (205) [system] 'D'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x55772f068e50), _1122352)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1124210)
   Exit: (207) [system] peek_char((0x55772f068e50), 'D')
   Call: (207) [system] 'D'=(;)
   Fail: (207) [system] 'D'=(;)
   Call: (207) [system] 'D'=(/)
   Fail: (207) [system] 'D'=(/)
^  Call: (207) [user] is_like_space('D')
   Call: (208) [system] char_type('D', 'white')
   Fail: (208) [system] char_type('D', 'white')
   Call: (208) [system] char_type('D', end_of_line)
   Fail: (208) [system] char_type('D', end_of_line)
   Call: (208) [system] char_type('D', space)
   Fail: (208) [system] char_type('D', space)
   Call: (208) [system] char_type('D', cntrl)
   Fail: (208) [system] char_type('D', cntrl)
^  Fail: (207) [user] is_like_space('D')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] get_char((0x55772f068e50), _1140220)
   Exit: (206) [system] get_char((0x55772f068e50), 'D')
   Call: (206) [system] 'D'='('
   Fail: (206) [system] 'D'='('
   Call: (206) [system] 'D'='['
   Fail: (206) [system] 'D'='['
   Call: (206) [system] 'D'='{'
   Fail: (206) [system] 'D'='{'
   Call: (206) [system] 'D'='"'
   Fail: (206) [system] 'D'='"'
   Call: (206) [system] 'D'=!
   Fail: (206) [system] 'D'=!
   Call: (206) [system] 'D'='\''
   Fail: (206) [system] 'D'='\''
   Call: (206) [system] 'D'='`'
   Fail: (206) [system] 'D'='`'
   Call: (206) [system] 'D'=end_of_file
   Fail: (206) [system] 'D'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x55772f068e50), 'D', _1122352)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _1157862)
   Call: (208) [system] peek_char((0x55772f068e50), _1158796)
   Exit: (208) [system] peek_char((0x55772f068e50), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1163516, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1164448, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x55772f068e50), i)
   Exit: (208) [system] get_char((0x55772f068e50), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1171798)
   Call: (209) [system] peek_char((0x55772f068e50), _1172732)
   Exit: (209) [system] peek_char((0x55772f068e50), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_1177452, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_1178384, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x55772f068e50), s)
   Exit: (209) [system] get_char((0x55772f068e50), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1185734)
   Call: (210) [system] peek_char((0x55772f068e50), _1186668)
   Exit: (210) [system] peek_char((0x55772f068e50), j)
^  Call: (210) [user] is_delimiter(j)
   Call: (211) [system] char_type(j, space)
   Fail: (211) [system] char_type(j, space)
   Call: (211) [system] arg(_1191388, v('(', ')', end_of_file), j)
   Fail: (211) [system] arg(_1192320, v('(', ')', end_of_file), j)
^  Fail: (210) [user] is_delimiter(j)
   Call: (210) [system] ')'==j
   Fail: (210) [system] ')'==j
   Call: (210) [system] get_char((0x55772f068e50), j)
   Exit: (210) [system] get_char((0x55772f068e50), j)
   Call: (210) [system] j=(\)
   Fail: (210) [system] j=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1199670)
   Call: (211) [system] peek_char((0x55772f068e50), _1200604)
   Exit: (211) [system] peek_char((0x55772f068e50), u)
^  Call: (211) [user] is_delimiter(u)
   Call: (212) [system] char_type(u, space)
   Fail: (212) [system] char_type(u, space)
   Call: (212) [system] arg(_1205324, v('(', ')', end_of_file), u)
   Fail: (212) [system] arg(_1206256, v('(', ')', end_of_file), u)
^  Fail: (211) [user] is_delimiter(u)
   Call: (211) [system] ')'==u
   Fail: (211) [system] ')'==u
   Call: (211) [system] get_char((0x55772f068e50), u)
   Exit: (211) [system] get_char((0x55772f068e50), u)
   Call: (211) [system] u=(\)
   Fail: (211) [system] u=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1213606)
   Call: (212) [system] peek_char((0x55772f068e50), _1214540)
   Exit: (212) [system] peek_char((0x55772f068e50), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_1219260, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_1220192, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x55772f068e50), n)
   Exit: (212) [system] get_char((0x55772f068e50), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1227542)
   Call: (213) [system] peek_char((0x55772f068e50), _1228476)
   Exit: (213) [system] peek_char((0x55772f068e50), c)
^  Call: (213) [user] is_delimiter(c)
   Call: (214) [system] char_type(c, space)
   Fail: (214) [system] char_type(c, space)
   Call: (214) [system] arg(_1233196, v('(', ')', end_of_file), c)
   Fail: (214) [system] arg(_1234128, v('(', ')', end_of_file), c)
^  Fail: (213) [user] is_delimiter(c)
   Call: (213) [system] ')'==c
   Fail: (213) [system] ')'==c
   Call: (213) [system] get_char((0x55772f068e50), c)
   Exit: (213) [system] get_char((0x55772f068e50), c)
   Call: (213) [system] c=(\)
   Fail: (213) [system] c=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1241478)
   Call: (214) [system] peek_char((0x55772f068e50), _1242412)
   Exit: (214) [system] peek_char((0x55772f068e50), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Fail: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_1247132, v('(', ')', end_of_file), t)
   Fail: (215) [system] arg(_1248064, v('(', ')', end_of_file), t)
^  Fail: (214) [user] is_delimiter(t)
   Call: (214) [system] ')'==t
   Fail: (214) [system] ')'==t
   Call: (214) [system] get_char((0x55772f068e50), t)
   Exit: (214) [system] get_char((0x55772f068e50), t)
   Call: (214) [system] t=(\)
   Fail: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1255414)
   Call: (215) [system] peek_char((0x55772f068e50), _1256348)
   Exit: (215) [system] peek_char((0x55772f068e50), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_1261068, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_1262000, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x55772f068e50), i)
   Exit: (215) [system] get_char((0x55772f068e50), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1269350)
   Call: (216) [system] peek_char((0x55772f068e50), _1270284)
   Exit: (216) [system] peek_char((0x55772f068e50), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Fail: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_1275004, v('(', ')', end_of_file), o)
   Fail: (217) [system] arg(_1275936, v('(', ')', end_of_file), o)
^  Fail: (216) [user] is_delimiter(o)
   Call: (216) [system] ')'==o
   Fail: (216) [system] ')'==o
   Call: (216) [system] get_char((0x55772f068e50), o)
   Exit: (216) [system] get_char((0x55772f068e50), o)
   Call: (216) [system] o=(\)
   Fail: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1283286)
   Call: (217) [system] peek_char((0x55772f068e50), _1284220)
   Exit: (217) [system] peek_char((0x55772f068e50), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1288940, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1289872, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x55772f068e50), n)
   Exit: (217) [system] get_char((0x55772f068e50), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1297222)
   Call: (218) [system] peek_char((0x55772f068e50), _1298156)
   Exit: (218) [system] peek_char((0x55772f068e50), 'I')
^  Call: (218) [user] is_delimiter('I')
   Call: (219) [system] char_type('I', space)
   Fail: (219) [system] char_type('I', space)
   Call: (219) [system] arg(_1302876, v('(', ')', end_of_file), 'I')
   Fail: (219) [system] arg(_1303808, v('(', ')', end_of_file), 'I')
^  Fail: (218) [user] is_delimiter('I')
   Call: (218) [system] ')'=='I'
   Fail: (218) [system] ')'=='I'
   Call: (218) [system] get_char((0x55772f068e50), 'I')
   Exit: (218) [system] get_char((0x55772f068e50), 'I')
   Call: (218) [system] 'I'=(\)
   Fail: (218) [system] 'I'=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1311158)
   Call: (219) [system] peek_char((0x55772f068e50), _1312092)
   Exit: (219) [system] peek_char((0x55772f068e50), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1316812, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1317744, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x55772f068e50), n)
   Exit: (219) [system] get_char((0x55772f068e50), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1325094)
   Call: (220) [system] peek_char((0x55772f068e50), _1326028)
   Exit: (220) [system] peek_char((0x55772f068e50), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_1330748, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_1331680, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x55772f068e50), t)
   Exit: (220) [system] get_char((0x55772f068e50), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1339030)
   Call: (221) [system] peek_char((0x55772f068e50), _1339964)
   Exit: (221) [system] peek_char((0x55772f068e50), r)
^  Call: (221) [user] is_delimiter(r)
   Call: (222) [system] char_type(r, space)
   Fail: (222) [system] char_type(r, space)
   Call: (222) [system] arg(_1344684, v('(', ')', end_of_file), r)
   Fail: (222) [system] arg(_1345616, v('(', ')', end_of_file), r)
^  Fail: (221) [user] is_delimiter(r)
   Call: (221) [system] ')'==r
   Fail: (221) [system] ')'==r
   Call: (221) [system] get_char((0x55772f068e50), r)
   Exit: (221) [system] get_char((0x55772f068e50), r)
   Call: (221) [system] r=(\)
   Fail: (221) [system] r=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1352966)
   Call: (222) [system] peek_char((0x55772f068e50), _1353900)
   Exit: (222) [system] peek_char((0x55772f068e50), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_1358620, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_1359552, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x55772f068e50), o)
   Exit: (222) [system] get_char((0x55772f068e50), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1366902)
   Call: (223) [system] peek_char((0x55772f068e50), _1367836)
   Exit: (223) [system] peek_char((0x55772f068e50), d)
^  Call: (223) [user] is_delimiter(d)
   Call: (224) [system] char_type(d, space)
   Fail: (224) [system] char_type(d, space)
   Call: (224) [system] arg(_1372556, v('(', ')', end_of_file), d)
   Fail: (224) [system] arg(_1373488, v('(', ')', end_of_file), d)
^  Fail: (223) [user] is_delimiter(d)
   Call: (223) [system] ')'==d
   Fail: (223) [system] ')'==d
   Call: (223) [system] get_char((0x55772f068e50), d)
   Exit: (223) [system] get_char((0x55772f068e50), d)
   Call: (223) [system] d=(\)
   Fail: (223) [system] d=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1380838)
   Call: (224) [system] peek_char((0x55772f068e50), _1381772)
   Exit: (224) [system] peek_char((0x55772f068e50), u)
^  Call: (224) [user] is_delimiter(u)
   Call: (225) [system] char_type(u, space)
   Fail: (225) [system] char_type(u, space)
   Call: (225) [system] arg(_1386492, v('(', ')', end_of_file), u)
   Fail: (225) [system] arg(_1387424, v('(', ')', end_of_file), u)
^  Fail: (224) [user] is_delimiter(u)
   Call: (224) [system] ')'==u
   Fail: (224) [system] ')'==u
   Call: (224) [system] get_char((0x55772f068e50), u)
   Exit: (224) [system] get_char((0x55772f068e50), u)
   Call: (224) [system] u=(\)
   Fail: (224) [system] u=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1394774)
   Call: (225) [system] peek_char((0x55772f068e50), _1395708)
   Exit: (225) [system] peek_char((0x55772f068e50), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Fail: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_1400428, v('(', ')', end_of_file), c)
   Fail: (226) [system] arg(_1401360, v('(', ')', end_of_file), c)
^  Fail: (225) [user] is_delimiter(c)
   Call: (225) [system] ')'==c
   Fail: (225) [system] ')'==c
   Call: (225) [system] get_char((0x55772f068e50), c)
   Exit: (225) [system] get_char((0x55772f068e50), c)
   Call: (225) [system] c=(\)
   Fail: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1408710)
   Call: (226) [system] peek_char((0x55772f068e50), _1409644)
   Exit: (226) [system] peek_char((0x55772f068e50), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_1414364, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_1415296, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x55772f068e50), t)
   Exit: (226) [system] get_char((0x55772f068e50), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1422646)
   Call: (227) [system] peek_char((0x55772f068e50), _1423580)
   Exit: (227) [system] peek_char((0x55772f068e50), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1428300, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_1429232, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x55772f068e50), i)
   Exit: (227) [system] get_char((0x55772f068e50), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1436582)
   Call: (228) [system] peek_char((0x55772f068e50), _1437516)
   Exit: (228) [system] peek_char((0x55772f068e50), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_1442236, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_1443168, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x55772f068e50), o)
   Exit: (228) [system] get_char((0x55772f068e50), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1450518)
   Call: (229) [system] peek_char((0x55772f068e50), _1451452)
   Exit: (229) [system] peek_char((0x55772f068e50), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1456172, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1457104, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x55772f068e50), n)
   Exit: (229) [system] get_char((0x55772f068e50), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1464454)
   Call: (230) [system] peek_char((0x55772f068e50), _1465388)
   Exit: (230) [system] peek_char((0x55772f068e50), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1464454=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (229) [system] _1450518=[n]
   Exit: (229) [system] [n]=[n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (228) [system] _1436582=[o, n]
   Exit: (228) [system] [o, n]=[o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (227) [system] _1422646=[i, o, n]
   Exit: (227) [system] [i, o, n]=[i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (226) [system] _1408710=[t, i, o, n]
   Exit: (226) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (225) [system] _1394774=[c, t, i, o, n]
   Exit: (225) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (224) [system] _1380838=[u, c, t, i, o, n]
   Exit: (224) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (223) [system] _1366902=[d, u, c, t, i, o, n]
   Exit: (223) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (222) [system] _1352966=[o, d, u, c, t, i, o, n]
   Exit: (222) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (221) [system] _1339030=[r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1325094=[t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1311158=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1297222=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1283286=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1269350=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1255414=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1241478=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1227542=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1213606=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1199670=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1185734=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1171798=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _1157862=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (207) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1122352)
^  Call: (208) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1536140)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1537092, _1537094), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1536140), _1537074, fail)), '$restore_trace'(_1537092, _1537094))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1537092, _1537094))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1536140), _1537074, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_1536140)
   Fail: (209) [system] atomic(_1536140)
   Call: (209) [system] atom_chars(_1536140, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (209) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (208) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (208) [system] integer('DisjunctionIntroduction')
   Fail: (208) [system] integer('DisjunctionIntroduction')
   Call: (208) [system] _1122352='DisjunctionIntroduction'
   Exit: (208) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (207) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (206) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (205) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (205) [user] read_list(')', (0x55772f068e50), _1551090)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1552948)
   Exit: (207) [system] peek_char((0x55772f068e50), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x55772f068e50), _1562542)
   Exit: (207) [system] get_char((0x55772f068e50), ' ')
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1565246)
   Exit: (208) [system] peek_char((0x55772f068e50), a)
   Call: (208) [system] a=(;)
   Fail: (208) [system] a=(;)
   Call: (208) [system] a=(/)
   Fail: (208) [system] a=(/)
^  Call: (208) [user] is_like_space(a)
   Call: (209) [system] char_type(a, 'white')
   Fail: (209) [system] char_type(a, 'white')
   Call: (209) [system] char_type(a, end_of_line)
   Fail: (209) [system] char_type(a, end_of_line)
   Call: (209) [system] char_type(a, space)
   Fail: (209) [system] char_type(a, space)
   Call: (209) [system] char_type(a, cntrl)
   Fail: (209) [system] char_type(a, cntrl)
^  Fail: (208) [user] is_like_space(a)
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1582180)
   Exit: (206) [system] peek_char((0x55772f068e50), a)
   Call: (206) [system] a=')'
   Fail: (206) [system] a=')'
   Call: (206) [system] a=end_of_file
   Fail: (206) [system] a=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x55772f068e50), _1587750)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1589608)
   Exit: (208) [system] peek_char((0x55772f068e50), a)
   Call: (208) [system] a=(;)
   Fail: (208) [system] a=(;)
   Call: (208) [system] a=(/)
   Fail: (208) [system] a=(/)
^  Call: (208) [user] is_like_space(a)
   Call: (209) [system] char_type(a, 'white')
   Fail: (209) [system] char_type(a, 'white')
   Call: (209) [system] char_type(a, end_of_line)
   Fail: (209) [system] char_type(a, end_of_line)
   Call: (209) [system] char_type(a, space)
   Fail: (209) [system] char_type(a, space)
   Call: (209) [system] char_type(a, cntrl)
   Fail: (209) [system] char_type(a, cntrl)
^  Fail: (208) [user] is_like_space(a)
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] get_char((0x55772f068e50), _1605618)
   Exit: (207) [system] get_char((0x55772f068e50), a)
   Call: (207) [system] a='('
   Fail: (207) [system] a='('
   Call: (207) [system] a='['
   Fail: (207) [system] a='['
   Call: (207) [system] a='{'
   Fail: (207) [system] a='{'
   Call: (207) [system] a='"'
   Fail: (207) [system] a='"'
   Call: (207) [system] a=!
   Fail: (207) [system] a=!
   Call: (207) [system] a='\''
   Fail: (207) [system] a='\''
   Call: (207) [system] a='`'
   Fail: (207) [system] a='`'
   Call: (207) [system] a=end_of_file
   Fail: (207) [system] a=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x55772f068e50), a, _1587750)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1623260)
   Call: (209) [system] peek_char((0x55772f068e50), _1624194)
   Exit: (209) [system] peek_char((0x55772f068e50), b)
^  Call: (209) [user] is_delimiter(b)
   Call: (210) [system] char_type(b, space)
   Fail: (210) [system] char_type(b, space)
   Call: (210) [system] arg(_1628914, v('(', ')', end_of_file), b)
   Fail: (210) [system] arg(_1629846, v('(', ')', end_of_file), b)
^  Fail: (209) [user] is_delimiter(b)
   Call: (209) [system] ')'==b
   Fail: (209) [system] ')'==b
   Call: (209) [system] get_char((0x55772f068e50), b)
   Exit: (209) [system] get_char((0x55772f068e50), b)
   Call: (209) [system] b=(\)
   Fail: (209) [system] b=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1637196)
   Call: (210) [system] peek_char((0x55772f068e50), _1638130)
   Exit: (210) [system] peek_char((0x55772f068e50), c)
^  Call: (210) [user] is_delimiter(c)
   Call: (211) [system] char_type(c, space)
   Fail: (211) [system] char_type(c, space)
   Call: (211) [system] arg(_1642850, v('(', ')', end_of_file), c)
   Fail: (211) [system] arg(_1643782, v('(', ')', end_of_file), c)
^  Fail: (210) [user] is_delimiter(c)
   Call: (210) [system] ')'==c
   Fail: (210) [system] ')'==c
   Call: (210) [system] get_char((0x55772f068e50), c)
   Exit: (210) [system] get_char((0x55772f068e50), c)
   Call: (210) [system] c=(\)
   Fail: (210) [system] c=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1651132)
   Call: (211) [system] peek_char((0x55772f068e50), _1652066)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1651132=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (210) [system] _1637196=[c]
   Exit: (210) [system] [c]=[c]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (209) [system] _1623260=[b, c]
   Exit: (209) [system] [b, c]=[b, c]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (208) [user] classify_and_convert_charseq([a, b, c], _1587750)
^  Call: (209) [user] classify_and_convert_charseq_([a, b, c], _1666938)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1667890, _1667892), once(user:catch(read_from_chars([a, b, c], _1666938), _1667872, fail)), '$restore_trace'(_1667890, _1667892))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1667890, _1667892))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1667872, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(abc)
   Exit: (210) [system] atomic(abc)
^  Exit: (209) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (209) [system] integer(abc)
   Fail: (209) [system] integer(abc)
   Call: (209) [system] _1587750=abc
   Exit: (209) [system] abc=abc
^  Exit: (208) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (207) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (206) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (206) [user] read_list(')', (0x55772f068e50), _1680018)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1681876)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x55772f068e50), _1691470)
   Exit: (208) [system] get_char((0x55772f068e50), ' ')
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1694174)
   Exit: (209) [system] peek_char((0x55772f068e50), a)
   Call: (209) [system] a=(;)
   Fail: (209) [system] a=(;)
   Call: (209) [system] a=(/)
   Fail: (209) [system] a=(/)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Fail: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Fail: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Fail: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
   Fail: (210) [system] char_type(a, cntrl)
^  Fail: (209) [user] is_like_space(a)
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1711108)
   Exit: (207) [system] peek_char((0x55772f068e50), a)
   Call: (207) [system] a=')'
   Fail: (207) [system] a=')'
   Call: (207) [system] a=end_of_file
   Fail: (207) [system] a=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x55772f068e50), _1716678)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1718536)
   Exit: (209) [system] peek_char((0x55772f068e50), a)
   Call: (209) [system] a=(;)
   Fail: (209) [system] a=(;)
   Call: (209) [system] a=(/)
   Fail: (209) [system] a=(/)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Fail: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Fail: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Fail: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
   Fail: (210) [system] char_type(a, cntrl)
^  Fail: (209) [user] is_like_space(a)
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] get_char((0x55772f068e50), _1734546)
   Exit: (208) [system] get_char((0x55772f068e50), a)
   Call: (208) [system] a='('
   Fail: (208) [system] a='('
   Call: (208) [system] a='['
   Fail: (208) [system] a='['
   Call: (208) [system] a='{'
   Fail: (208) [system] a='{'
   Call: (208) [system] a='"'
   Fail: (208) [system] a='"'
   Call: (208) [system] a=!
   Fail: (208) [system] a=!
   Call: (208) [system] a='\''
   Fail: (208) [system] a='\''
   Call: (208) [system] a='`'
   Fail: (208) [system] a='`'
   Call: (208) [system] a=end_of_file
   Fail: (208) [system] a=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x55772f068e50), a, _1716678)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1752188)
   Call: (210) [system] peek_char((0x55772f068e50), _1753122)
   Exit: (210) [system] peek_char((0x55772f068e50), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_1757842, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _1752188=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (209) [user] classify_and_convert_charseq([a], _1716678)
^  Call: (210) [user] classify_and_convert_charseq_([a], _1764278)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1765230, _1765232), once(user:catch(read_from_chars([a], _1764278), _1765212, fail)), '$restore_trace'(_1765230, _1765232))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1765230, _1765232))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1765212, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(a)
   Exit: (211) [system] atomic(a)
^  Exit: (210) [user] classify_and_convert_charseq_([a], a)
   Call: (210) [system] integer(a)
   Fail: (210) [system] integer(a)
   Call: (210) [system] _1716678=a
   Exit: (210) [system] a=a
^  Exit: (209) [user] classify_and_convert_charseq([a], a)
^  Exit: (208) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (207) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (207) [user] read_list(')', (0x55772f068e50), _1777358)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1779216)
   Exit: (209) [system] peek_char((0x55772f068e50), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
   Call: (209) [system] ')'=(/)
   Fail: (209) [system] ')'=(/)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1795226)
   Exit: (208) [system] peek_char((0x55772f068e50), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x55772f068e50), _1799016)
   Exit: (208) [system] get_char((0x55772f068e50), ')')
   Call: (208) [system] _1777358=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x55772f068e50), [])
   Call: (207) [system] _1680018=[a]
   Exit: (207) [system] [a]=[a]
^  Exit: (206) [user] read_list(')', (0x55772f068e50), [a])
   Call: (206) [system] _1551090=[abc, a]
   Exit: (206) [system] [abc, a]=[abc, a]
^  Exit: (205) [user] read_list(')', (0x55772f068e50), [abc, a])
   Call: (205) [system] _1077334=['DisjunctionIntroduction', abc, a]
   Exit: (205) [system] ['DisjunctionIntroduction', abc, a]=['DisjunctionIntroduction', abc, a]
^  Exit: (204) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, a])
^  Exit: (203) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, a])
^  Call: (203) [user] read_list(')', (0x55772f068e50), _1812898)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1814756)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x55772f068e50), _1824350)
   Exit: (205) [system] get_char((0x55772f068e50), ' ')
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1827054)
   Exit: (206) [system] peek_char((0x55772f068e50), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1843988)
   Exit: (204) [system] peek_char((0x55772f068e50), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x55772f068e50), _1849558)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1851416)
   Exit: (206) [system] peek_char((0x55772f068e50), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] get_char((0x55772f068e50), _1867426)
   Exit: (205) [system] get_char((0x55772f068e50), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x55772f068e50), _1849558)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1872996)
   Exit: (207) [system] peek_char((0x55772f068e50), 'O')
   Call: (207) [system] 'O'=(;)
   Fail: (207) [system] 'O'=(;)
   Call: (207) [system] 'O'=(/)
   Fail: (207) [system] 'O'=(/)
^  Call: (207) [user] is_like_space('O')
   Call: (208) [system] char_type('O', 'white')
   Fail: (208) [system] char_type('O', 'white')
   Call: (208) [system] char_type('O', end_of_line)
   Fail: (208) [system] char_type('O', end_of_line)
   Call: (208) [system] char_type('O', space)
   Fail: (208) [system] char_type('O', space)
   Call: (208) [system] char_type('O', cntrl)
   Fail: (208) [system] char_type('O', cntrl)
^  Fail: (207) [user] is_like_space('O')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1889006)
   Exit: (206) [system] peek_char((0x55772f068e50), 'O')
   Call: (206) [system] 'O'=')'
   Fail: (206) [system] 'O'=')'
   Call: (206) [system] 'O'=end_of_file
   Fail: (206) [system] 'O'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x55772f068e50), _1894576)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1896434)
   Exit: (208) [system] peek_char((0x55772f068e50), 'O')
   Call: (208) [system] 'O'=(;)
   Fail: (208) [system] 'O'=(;)
   Call: (208) [system] 'O'=(/)
   Fail: (208) [system] 'O'=(/)
^  Call: (208) [user] is_like_space('O')
   Call: (209) [system] char_type('O', 'white')
   Fail: (209) [system] char_type('O', 'white')
   Call: (209) [system] char_type('O', end_of_line)
   Fail: (209) [system] char_type('O', end_of_line)
   Call: (209) [system] char_type('O', space)
   Fail: (209) [system] char_type('O', space)
   Call: (209) [system] char_type('O', cntrl)
   Fail: (209) [system] char_type('O', cntrl)
^  Fail: (208) [user] is_like_space('O')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] get_char((0x55772f068e50), _1912444)
   Exit: (207) [system] get_char((0x55772f068e50), 'O')
   Call: (207) [system] 'O'='('
   Fail: (207) [system] 'O'='('
   Call: (207) [system] 'O'='['
   Fail: (207) [system] 'O'='['
   Call: (207) [system] 'O'='{'
   Fail: (207) [system] 'O'='{'
   Call: (207) [system] 'O'='"'
   Fail: (207) [system] 'O'='"'
   Call: (207) [system] 'O'=!
   Fail: (207) [system] 'O'=!
   Call: (207) [system] 'O'='\''
   Fail: (207) [system] 'O'='\''
   Call: (207) [system] 'O'='`'
   Fail: (207) [system] 'O'='`'
   Call: (207) [system] 'O'=end_of_file
   Fail: (207) [system] 'O'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x55772f068e50), 'O', _1894576)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1930086)
   Call: (209) [system] peek_char((0x55772f068e50), _1931020)
   Exit: (209) [system] peek_char((0x55772f068e50), r)
^  Call: (209) [user] is_delimiter(r)
   Call: (210) [system] char_type(r, space)
   Fail: (210) [system] char_type(r, space)
   Call: (210) [system] arg(_1935740, v('(', ')', end_of_file), r)
   Fail: (210) [system] arg(_1936672, v('(', ')', end_of_file), r)
^  Fail: (209) [user] is_delimiter(r)
   Call: (209) [system] ')'==r
   Fail: (209) [system] ')'==r
   Call: (209) [system] get_char((0x55772f068e50), r)
   Exit: (209) [system] get_char((0x55772f068e50), r)
   Call: (209) [system] r=(\)
   Fail: (209) [system] r=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1944022)
   Call: (210) [system] peek_char((0x55772f068e50), _1944956)
   Exit: (210) [system] peek_char((0x55772f068e50), 'L')
^  Call: (210) [user] is_delimiter('L')
   Call: (211) [system] char_type('L', space)
   Fail: (211) [system] char_type('L', space)
   Call: (211) [system] arg(_1949676, v('(', ')', end_of_file), 'L')
   Fail: (211) [system] arg(_1950608, v('(', ')', end_of_file), 'L')
^  Fail: (210) [user] is_delimiter('L')
   Call: (210) [system] ')'=='L'
   Fail: (210) [system] ')'=='L'
   Call: (210) [system] get_char((0x55772f068e50), 'L')
   Exit: (210) [system] get_char((0x55772f068e50), 'L')
   Call: (210) [system] 'L'=(\)
   Fail: (210) [system] 'L'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1957958)
   Call: (211) [system] peek_char((0x55772f068e50), _1958892)
   Exit: (211) [system] peek_char((0x55772f068e50), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_1963612, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_1964544, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x55772f068e50), i)
   Exit: (211) [system] get_char((0x55772f068e50), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1971894)
   Call: (212) [system] peek_char((0x55772f068e50), _1972828)
   Exit: (212) [system] peek_char((0x55772f068e50), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_1977548, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_1978480, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x55772f068e50), n)
   Exit: (212) [system] get_char((0x55772f068e50), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1985830)
   Call: (213) [system] peek_char((0x55772f068e50), _1986764)
   Exit: (213) [system] peek_char((0x55772f068e50), k)
^  Call: (213) [user] is_delimiter(k)
   Call: (214) [system] char_type(k, space)
   Fail: (214) [system] char_type(k, space)
   Call: (214) [system] arg(_1991484, v('(', ')', end_of_file), k)
   Fail: (214) [system] arg(_1992416, v('(', ')', end_of_file), k)
^  Fail: (213) [user] is_delimiter(k)
   Call: (213) [system] ')'==k
   Fail: (213) [system] ')'==k
   Call: (213) [system] get_char((0x55772f068e50), k)
   Exit: (213) [system] get_char((0x55772f068e50), k)
   Call: (213) [system] k=(\)
   Fail: (213) [system] k=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1999766)
   Call: (214) [system] peek_char((0x55772f068e50), _2000700)
   Exit: (214) [system] peek_char((0x55772f068e50), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _1999766=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (213) [system] _1985830=[k]
   Exit: (213) [system] [k]=[k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (212) [system] _1971894=[n, k]
   Exit: (212) [system] [n, k]=[n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (211) [system] _1957958=[i, n, k]
   Exit: (211) [system] [i, n, k]=[i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (210) [system] _1944022=['L', i, n, k]
   Exit: (210) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (209) [system] _1930086=[r, 'L', i, n, k]
   Exit: (209) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (208) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1894576)
^  Call: (209) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _2023954)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_2024906, _2024908), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _2023954), _2024888, fail)), '$restore_trace'(_2024906, _2024908))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_2024906, _2024908))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _2023954), _2024888, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_2023954)
   Fail: (210) [system] atomic(_2023954)
   Call: (210) [system] atom_chars(_2023954, ['O', r, 'L', i, n, k])
   Exit: (210) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (209) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (209) [system] integer('OrLink')
   Fail: (209) [system] integer('OrLink')
   Call: (209) [system] _1894576='OrLink'
   Exit: (209) [system] 'OrLink'='OrLink'
^  Exit: (208) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (207) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (206) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (206) [user] read_list(')', (0x55772f068e50), _2038904)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _2040762)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x55772f068e50), _2050356)
   Exit: (208) [system] get_char((0x55772f068e50), ' ')
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _2053060)
   Exit: (209) [system] peek_char((0x55772f068e50), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _2069994)
   Exit: (207) [system] peek_char((0x55772f068e50), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x55772f068e50), _2075564)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _2077422)
   Exit: (209) [system] peek_char((0x55772f068e50), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] get_char((0x55772f068e50), _2093432)
   Exit: (208) [system] get_char((0x55772f068e50), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x55772f068e50), _3836)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _6050)
   Exit: (210) [system] peek_char((0x55772f068e50), 'I')
   Call: (210) [system] 'I'=(;)
   Fail: (210) [system] 'I'=(;)
   Call: (210) [system] 'I'=(/)
   Fail: (210) [system] 'I'=(/)
^  Call: (210) [user] is_like_space('I')
   Call: (211) [system] char_type('I', 'white')
   Fail: (211) [system] char_type('I', 'white')
   Call: (211) [system] char_type('I', end_of_line)
   Fail: (211) [system] char_type('I', end_of_line)
   Call: (211) [system] char_type('I', space)
   Fail: (211) [system] char_type('I', space)
   Call: (211) [system] char_type('I', cntrl)
   Fail: (211) [system] char_type('I', cntrl)
^  Fail: (210) [user] is_like_space('I')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _22060)
   Exit: (209) [system] peek_char((0x55772f068e50), 'I')
   Call: (209) [system] 'I'=')'
   Fail: (209) [system] 'I'=')'
   Call: (209) [system] 'I'=end_of_file
   Fail: (209) [system] 'I'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x55772f068e50), _27630)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _29488)
   Exit: (211) [system] peek_char((0x55772f068e50), 'I')
   Call: (211) [system] 'I'=(;)
   Fail: (211) [system] 'I'=(;)
   Call: (211) [system] 'I'=(/)
   Fail: (211) [system] 'I'=(/)
^  Call: (211) [user] is_like_space('I')
   Call: (212) [system] char_type('I', 'white')
   Fail: (212) [system] char_type('I', 'white')
   Call: (212) [system] char_type('I', end_of_line)
   Fail: (212) [system] char_type('I', end_of_line)
   Call: (212) [system] char_type('I', space)
   Fail: (212) [system] char_type('I', space)
   Call: (212) [system] char_type('I', cntrl)
   Fail: (212) [system] char_type('I', cntrl)
^  Fail: (211) [user] is_like_space('I')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] get_char((0x55772f068e50), _45498)
   Exit: (210) [system] get_char((0x55772f068e50), 'I')
   Call: (210) [system] 'I'='('
   Fail: (210) [system] 'I'='('
   Call: (210) [system] 'I'='['
   Fail: (210) [system] 'I'='['
   Call: (210) [system] 'I'='{'
   Fail: (210) [system] 'I'='{'
   Call: (210) [system] 'I'='"'
   Fail: (210) [system] 'I'='"'
   Call: (210) [system] 'I'=!
   Fail: (210) [system] 'I'=!
   Call: (210) [system] 'I'='\''
   Fail: (210) [system] 'I'='\''
   Call: (210) [system] 'I'='`'
   Fail: (210) [system] 'I'='`'
   Call: (210) [system] 'I'=end_of_file
   Fail: (210) [system] 'I'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x55772f068e50), 'I', _27630)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _63140)
   Call: (212) [system] peek_char((0x55772f068e50), _64074)
   Exit: (212) [system] peek_char((0x55772f068e50), m)
^  Call: (212) [user] is_delimiter(m)
   Call: (213) [system] char_type(m, space)
   Fail: (213) [system] char_type(m, space)
   Call: (213) [system] arg(_68794, v('(', ')', end_of_file), m)
   Fail: (213) [system] arg(_69726, v('(', ')', end_of_file), m)
^  Fail: (212) [user] is_delimiter(m)
   Call: (212) [system] ')'==m
   Fail: (212) [system] ')'==m
   Call: (212) [system] get_char((0x55772f068e50), m)
   Exit: (212) [system] get_char((0x55772f068e50), m)
   Call: (212) [system] m=(\)
   Fail: (212) [system] m=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _77076)
   Call: (213) [system] peek_char((0x55772f068e50), _78010)
   Exit: (213) [system] peek_char((0x55772f068e50), p)
^  Call: (213) [user] is_delimiter(p)
   Call: (214) [system] char_type(p, space)
   Fail: (214) [system] char_type(p, space)
   Call: (214) [system] arg(_82730, v('(', ')', end_of_file), p)
   Fail: (214) [system] arg(_83662, v('(', ')', end_of_file), p)
^  Fail: (213) [user] is_delimiter(p)
   Call: (213) [system] ')'==p
   Fail: (213) [system] ')'==p
   Call: (213) [system] get_char((0x55772f068e50), p)
   Exit: (213) [system] get_char((0x55772f068e50), p)
   Call: (213) [system] p=(\)
   Fail: (213) [system] p=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _91012)
   Call: (214) [system] peek_char((0x55772f068e50), _91946)
   Exit: (214) [system] peek_char((0x55772f068e50), l)
^  Call: (214) [user] is_delimiter(l)
   Call: (215) [system] char_type(l, space)
   Fail: (215) [system] char_type(l, space)
   Call: (215) [system] arg(_96666, v('(', ')', end_of_file), l)
   Fail: (215) [system] arg(_97598, v('(', ')', end_of_file), l)
^  Fail: (214) [user] is_delimiter(l)
   Call: (214) [system] ')'==l
   Fail: (214) [system] ')'==l
   Call: (214) [system] get_char((0x55772f068e50), l)
   Exit: (214) [system] get_char((0x55772f068e50), l)
   Call: (214) [system] l=(\)
   Fail: (214) [system] l=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _104948)
   Call: (215) [system] peek_char((0x55772f068e50), _105882)
   Exit: (215) [system] peek_char((0x55772f068e50), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_110602, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_111534, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x55772f068e50), i)
   Exit: (215) [system] get_char((0x55772f068e50), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _118884)
   Call: (216) [system] peek_char((0x55772f068e50), _119818)
   Exit: (216) [system] peek_char((0x55772f068e50), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_124538, v('(', ')', end_of_file), c)
   Fail: (217) [system] arg(_125470, v('(', ')', end_of_file), c)
^  Fail: (216) [user] is_delimiter(c)
   Call: (216) [system] ')'==c
   Fail: (216) [system] ')'==c
   Call: (216) [system] get_char((0x55772f068e50), c)
   Exit: (216) [system] get_char((0x55772f068e50), c)
   Call: (216) [system] c=(\)
   Fail: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _132820)
   Call: (217) [system] peek_char((0x55772f068e50), _133754)
   Exit: (217) [system] peek_char((0x55772f068e50), a)
^  Call: (217) [user] is_delimiter(a)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] arg(_138474, v('(', ')', end_of_file), a)
   Fail: (218) [system] arg(_139406, v('(', ')', end_of_file), a)
^  Fail: (217) [user] is_delimiter(a)
   Call: (217) [system] ')'==a
   Fail: (217) [system] ')'==a
   Call: (217) [system] get_char((0x55772f068e50), a)
   Exit: (217) [system] get_char((0x55772f068e50), a)
   Call: (217) [system] a=(\)
   Fail: (217) [system] a=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _146756)
   Call: (218) [system] peek_char((0x55772f068e50), _147690)
   Exit: (218) [system] peek_char((0x55772f068e50), t)
^  Call: (218) [user] is_delimiter(t)
   Call: (219) [system] char_type(t, space)
   Fail: (219) [system] char_type(t, space)
   Call: (219) [system] arg(_152410, v('(', ')', end_of_file), t)
   Fail: (219) [system] arg(_153342, v('(', ')', end_of_file), t)
^  Fail: (218) [user] is_delimiter(t)
   Call: (218) [system] ')'==t
   Fail: (218) [system] ')'==t
   Call: (218) [system] get_char((0x55772f068e50), t)
   Exit: (218) [system] get_char((0x55772f068e50), t)
   Call: (218) [system] t=(\)
   Fail: (218) [system] t=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _160692)
   Call: (219) [system] peek_char((0x55772f068e50), _161626)
   Exit: (219) [system] peek_char((0x55772f068e50), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_166346, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_167278, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x55772f068e50), i)
   Exit: (219) [system] get_char((0x55772f068e50), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _174628)
   Call: (220) [system] peek_char((0x55772f068e50), _175562)
   Exit: (220) [system] peek_char((0x55772f068e50), o)
^  Call: (220) [user] is_delimiter(o)
   Call: (221) [system] char_type(o, space)
   Fail: (221) [system] char_type(o, space)
   Call: (221) [system] arg(_180282, v('(', ')', end_of_file), o)
   Fail: (221) [system] arg(_181214, v('(', ')', end_of_file), o)
^  Fail: (220) [user] is_delimiter(o)
   Call: (220) [system] ')'==o
   Fail: (220) [system] ')'==o
   Call: (220) [system] get_char((0x55772f068e50), o)
   Exit: (220) [system] get_char((0x55772f068e50), o)
   Call: (220) [system] o=(\)
   Fail: (220) [system] o=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _188564)
   Call: (221) [system] peek_char((0x55772f068e50), _189498)
   Exit: (221) [system] peek_char((0x55772f068e50), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_194218, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_195150, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x55772f068e50), n)
   Exit: (221) [system] get_char((0x55772f068e50), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _202500)
   Call: (222) [system] peek_char((0x55772f068e50), _203434)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _202500=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (221) [system] _188564=[n]
   Exit: (221) [system] [n]=[n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (220) [system] _174628=[o, n]
   Exit: (220) [system] [o, n]=[o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (219) [system] _160692=[i, o, n]
   Exit: (219) [system] [i, o, n]=[i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (218) [system] _146756=[t, i, o, n]
   Exit: (218) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (217) [system] _132820=[a, t, i, o, n]
   Exit: (217) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (216) [system] _118884=[c, a, t, i, o, n]
   Exit: (216) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (215) [system] _104948=[i, c, a, t, i, o, n]
   Exit: (215) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (214) [system] _91012=[l, i, c, a, t, i, o, n]
   Exit: (214) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (213) [system] _77076=[p, l, i, c, a, t, i, o, n]
   Exit: (213) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (212) [system] _63140=[m, p, l, i, c, a, t, i, o, n]
   Exit: (212) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (211) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _27630)
^  Call: (212) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _240658)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_241610, _241612), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _240658), _241592, fail)), '$restore_trace'(_241610, _241612))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_241610, _241612))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _240658), _241592, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_240658)
   Fail: (213) [system] atomic(_240658)
   Call: (213) [system] atom_chars(_240658, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (213) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (212) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (212) [system] integer('Implication')
   Fail: (212) [system] integer('Implication')
   Call: (212) [system] _27630='Implication'
   Exit: (212) [system] 'Implication'='Implication'
^  Exit: (211) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (210) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (209) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (209) [user] read_list(')', (0x55772f068e50), _255608)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _257466)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x55772f068e50), _267060)
   Exit: (211) [system] get_char((0x55772f068e50), ' ')
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _269764)
   Exit: (212) [system] peek_char((0x55772f068e50), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _286698)
   Exit: (210) [system] peek_char((0x55772f068e50), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x55772f068e50), _292268)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _294126)
   Exit: (212) [system] peek_char((0x55772f068e50), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] get_char((0x55772f068e50), _310136)
   Exit: (211) [system] get_char((0x55772f068e50), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x55772f068e50), _292268)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _315706)
   Exit: (213) [system] peek_char((0x55772f068e50), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
   Call: (213) [system] 'A'=(/)
   Fail: (213) [system] 'A'=(/)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _331716)
   Exit: (212) [system] peek_char((0x55772f068e50), 'A')
   Call: (212) [system] 'A'=')'
   Fail: (212) [system] 'A'=')'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x55772f068e50), _337286)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _339144)
   Exit: (214) [system] peek_char((0x55772f068e50), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
   Call: (214) [system] 'A'=(/)
   Fail: (214) [system] 'A'=(/)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] get_char((0x55772f068e50), _355154)
   Exit: (213) [system] get_char((0x55772f068e50), 'A')
   Call: (213) [system] 'A'='('
   Fail: (213) [system] 'A'='('
   Call: (213) [system] 'A'='['
   Fail: (213) [system] 'A'='['
   Call: (213) [system] 'A'='{'
   Fail: (213) [system] 'A'='{'
   Call: (213) [system] 'A'='"'
   Fail: (213) [system] 'A'='"'
   Call: (213) [system] 'A'=!
   Fail: (213) [system] 'A'=!
   Call: (213) [system] 'A'='\''
   Fail: (213) [system] 'A'='\''
   Call: (213) [system] 'A'='`'
   Fail: (213) [system] 'A'='`'
   Call: (213) [system] 'A'=end_of_file
   Fail: (213) [system] 'A'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x55772f068e50), 'A', _337286)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _372796)
   Call: (215) [system] peek_char((0x55772f068e50), _373730)
   Exit: (215) [system] peek_char((0x55772f068e50), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_378450, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_379382, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x55772f068e50), n)
   Exit: (215) [system] get_char((0x55772f068e50), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _386732)
   Call: (216) [system] peek_char((0x55772f068e50), _387666)
   Exit: (216) [system] peek_char((0x55772f068e50), d)
^  Call: (216) [user] is_delimiter(d)
   Call: (217) [system] char_type(d, space)
   Fail: (217) [system] char_type(d, space)
   Call: (217) [system] arg(_392386, v('(', ')', end_of_file), d)
   Fail: (217) [system] arg(_393318, v('(', ')', end_of_file), d)
^  Fail: (216) [user] is_delimiter(d)
   Call: (216) [system] ')'==d
   Fail: (216) [system] ')'==d
   Call: (216) [system] get_char((0x55772f068e50), d)
   Exit: (216) [system] get_char((0x55772f068e50), d)
   Call: (216) [system] d=(\)
   Fail: (216) [system] d=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _400668)
   Call: (217) [system] peek_char((0x55772f068e50), _401602)
   Exit: (217) [system] peek_char((0x55772f068e50), 'L')
^  Call: (217) [user] is_delimiter('L')
   Call: (218) [system] char_type('L', space)
   Fail: (218) [system] char_type('L', space)
   Call: (218) [system] arg(_406322, v('(', ')', end_of_file), 'L')
   Fail: (218) [system] arg(_407254, v('(', ')', end_of_file), 'L')
^  Fail: (217) [user] is_delimiter('L')
   Call: (217) [system] ')'=='L'
   Fail: (217) [system] ')'=='L'
   Call: (217) [system] get_char((0x55772f068e50), 'L')
   Exit: (217) [system] get_char((0x55772f068e50), 'L')
   Call: (217) [system] 'L'=(\)
   Fail: (217) [system] 'L'=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _414604)
   Call: (218) [system] peek_char((0x55772f068e50), _415538)
   Exit: (218) [system] peek_char((0x55772f068e50), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_420258, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_421190, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x55772f068e50), i)
   Exit: (218) [system] get_char((0x55772f068e50), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _428540)
   Call: (219) [system] peek_char((0x55772f068e50), _429474)
   Exit: (219) [system] peek_char((0x55772f068e50), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_434194, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_435126, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x55772f068e50), n)
   Exit: (219) [system] get_char((0x55772f068e50), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _442476)
   Call: (220) [system] peek_char((0x55772f068e50), _443410)
   Exit: (220) [system] peek_char((0x55772f068e50), k)
^  Call: (220) [user] is_delimiter(k)
   Call: (221) [system] char_type(k, space)
   Fail: (221) [system] char_type(k, space)
   Call: (221) [system] arg(_448130, v('(', ')', end_of_file), k)
   Fail: (221) [system] arg(_449062, v('(', ')', end_of_file), k)
^  Fail: (220) [user] is_delimiter(k)
   Call: (220) [system] ')'==k
   Fail: (220) [system] ')'==k
   Call: (220) [system] get_char((0x55772f068e50), k)
   Exit: (220) [system] get_char((0x55772f068e50), k)
   Call: (220) [system] k=(\)
   Fail: (220) [system] k=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _456412)
   Call: (221) [system] peek_char((0x55772f068e50), _457346)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _456412=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (220) [system] _442476=[k]
   Exit: (220) [system] [k]=[k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (219) [system] _428540=[n, k]
   Exit: (219) [system] [n, k]=[n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (218) [system] _414604=[i, n, k]
   Exit: (218) [system] [i, n, k]=[i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (217) [system] _400668=['L', i, n, k]
   Exit: (217) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (216) [system] _386732=[d, 'L', i, n, k]
   Exit: (216) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (215) [system] _372796=[n, d, 'L', i, n, k]
   Exit: (215) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (214) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _337286)
^  Call: (215) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _483394)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_484346, _484348), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _483394), _484328, fail)), '$restore_trace'(_484346, _484348))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_484346, _484348))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _483394), _484328, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_483394)
   Fail: (216) [system] atomic(_483394)
   Call: (216) [system] atom_chars(_483394, ['A', n, d, 'L', i, n, k])
   Exit: (216) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (215) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (215) [system] integer('AndLink')
   Fail: (215) [system] integer('AndLink')
   Call: (215) [system] _337286='AndLink'
   Exit: (215) [system] 'AndLink'='AndLink'
^  Exit: (214) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (213) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (212) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (212) [user] read_list(')', (0x55772f068e50), _498344)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _500202)
   Exit: (214) [system] peek_char((0x55772f068e50), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x55772f068e50), _509796)
   Exit: (214) [system] get_char((0x55772f068e50), ' ')
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _512500)
   Exit: (215) [system] peek_char((0x55772f068e50), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
   Call: (215) [system] 'A'=(/)
   Fail: (215) [system] 'A'=(/)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _529434)
   Exit: (213) [system] peek_char((0x55772f068e50), 'A')
   Call: (213) [system] 'A'=')'
   Fail: (213) [system] 'A'=')'
   Call: (213) [system] 'A'=end_of_file
   Fail: (213) [system] 'A'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _535004)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _536862)
   Exit: (215) [system] peek_char((0x55772f068e50), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
   Call: (215) [system] 'A'=(/)
   Fail: (215) [system] 'A'=(/)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _552872)
   Exit: (214) [system] get_char((0x55772f068e50), 'A')
   Call: (214) [system] 'A'='('
   Fail: (214) [system] 'A'='('
   Call: (214) [system] 'A'='['
   Fail: (214) [system] 'A'='['
   Call: (214) [system] 'A'='{'
   Fail: (214) [system] 'A'='{'
   Call: (214) [system] 'A'='"'
   Fail: (214) [system] 'A'='"'
   Call: (214) [system] 'A'=!
   Fail: (214) [system] 'A'=!
   Call: (214) [system] 'A'='\''
   Fail: (214) [system] 'A'='\''
   Call: (214) [system] 'A'='`'
   Fail: (214) [system] 'A'='`'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x55772f068e50), 'A', _535004)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _570514)
   Call: (216) [system] peek_char((0x55772f068e50), _571448)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _570514=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (215) [user] classify_and_convert_charseq(['A'], _535004)
^  Call: (216) [user] classify_and_convert_charseq_(['A'], _580732)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_581684, _581686), once(user:catch(read_from_chars(['A'], _580732), _581666, fail)), '$restore_trace'(_581684, _581686))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_581684, _581686))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _580732), _581666, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_580732)
   Fail: (217) [system] atomic(_580732)
   Call: (217) [system] atom_chars(_580732, ['A'])
   Exit: (217) [system] atom_chars('A', ['A'])
^  Exit: (216) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (216) [system] integer('A')
   Fail: (216) [system] integer('A')
   Call: (216) [system] _535004='A'
   Exit: (216) [system] 'A'='A'
^  Exit: (215) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (214) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (213) [user] read_list(')', (0x55772f068e50), _595682)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _597540)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x55772f068e50), _607134)
   Exit: (215) [system] get_char((0x55772f068e50), ' ')
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _609838)
   Exit: (216) [system] peek_char((0x55772f068e50), 'B')
   Call: (216) [system] 'B'=(;)
   Fail: (216) [system] 'B'=(;)
   Call: (216) [system] 'B'=(/)
   Fail: (216) [system] 'B'=(/)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Fail: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Fail: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Fail: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
   Fail: (217) [system] char_type('B', cntrl)
^  Fail: (216) [user] is_like_space('B')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _626772)
   Exit: (214) [system] peek_char((0x55772f068e50), 'B')
   Call: (214) [system] 'B'=')'
   Fail: (214) [system] 'B'=')'
   Call: (214) [system] 'B'=end_of_file
   Fail: (214) [system] 'B'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _632342)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _634200)
   Exit: (216) [system] peek_char((0x55772f068e50), 'B')
   Call: (216) [system] 'B'=(;)
   Fail: (216) [system] 'B'=(;)
   Call: (216) [system] 'B'=(/)
   Fail: (216) [system] 'B'=(/)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Fail: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Fail: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Fail: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
   Fail: (217) [system] char_type('B', cntrl)
^  Fail: (216) [user] is_like_space('B')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _650210)
   Exit: (215) [system] get_char((0x55772f068e50), 'B')
   Call: (215) [system] 'B'='('
   Fail: (215) [system] 'B'='('
   Call: (215) [system] 'B'='['
   Fail: (215) [system] 'B'='['
   Call: (215) [system] 'B'='{'
   Fail: (215) [system] 'B'='{'
   Call: (215) [system] 'B'='"'
   Fail: (215) [system] 'B'='"'
   Call: (215) [system] 'B'=!
   Fail: (215) [system] 'B'=!
   Call: (215) [system] 'B'='\''
   Fail: (215) [system] 'B'='\''
   Call: (215) [system] 'B'='`'
   Fail: (215) [system] 'B'='`'
   Call: (215) [system] 'B'=end_of_file
   Fail: (215) [system] 'B'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x55772f068e50), 'B', _632342)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _667852)
   Call: (217) [system] peek_char((0x55772f068e50), _668786)
   Exit: (217) [system] peek_char((0x55772f068e50), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_673506, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _667852=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (216) [user] classify_and_convert_charseq(['B'], _632342)
^  Call: (217) [user] classify_and_convert_charseq_(['B'], _679942)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_680894, _680896), once(user:catch(read_from_chars(['B'], _679942), _680876, fail)), '$restore_trace'(_680894, _680896))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_680894, _680896))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _679942), _680876, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_679942)
   Fail: (218) [system] atomic(_679942)
   Call: (218) [system] atom_chars(_679942, ['B'])
   Exit: (218) [system] atom_chars('B', ['B'])
^  Exit: (217) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (217) [system] integer('B')
   Fail: (217) [system] integer('B')
   Call: (217) [system] _632342='B'
   Exit: (217) [system] 'B'='B'
^  Exit: (216) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (215) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (214) [user] read_list(')', (0x55772f068e50), _694892)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _696750)
   Exit: (216) [system] peek_char((0x55772f068e50), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _712760)
   Exit: (215) [system] peek_char((0x55772f068e50), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x55772f068e50), _716550)
   Exit: (215) [system] get_char((0x55772f068e50), ')')
   Call: (215) [system] _694892=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x55772f068e50), [])
   Call: (214) [system] _595682=['B']
   Exit: (214) [system] ['B']=['B']
^  Exit: (213) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (213) [system] _498344=['A', 'B']
   Exit: (213) [system] ['A', 'B']=['A', 'B']
^  Exit: (212) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (212) [system] _292268=['AndLink', 'A', 'B']
   Exit: (212) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (211) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (210) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (210) [user] read_list(')', (0x55772f068e50), _730432)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _732290)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x55772f068e50), _741884)
   Exit: (212) [system] get_char((0x55772f068e50), ' ')
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _744588)
   Exit: (213) [system] peek_char((0x55772f068e50), 'C')
   Call: (213) [system] 'C'=(;)
   Fail: (213) [system] 'C'=(;)
   Call: (213) [system] 'C'=(/)
   Fail: (213) [system] 'C'=(/)
^  Call: (213) [user] is_like_space('C')
   Call: (214) [system] char_type('C', 'white')
   Fail: (214) [system] char_type('C', 'white')
   Call: (214) [system] char_type('C', end_of_line)
   Fail: (214) [system] char_type('C', end_of_line)
   Call: (214) [system] char_type('C', space)
   Fail: (214) [system] char_type('C', space)
   Call: (214) [system] char_type('C', cntrl)
   Fail: (214) [system] char_type('C', cntrl)
^  Fail: (213) [user] is_like_space('C')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _761522)
   Exit: (211) [system] peek_char((0x55772f068e50), 'C')
   Call: (211) [system] 'C'=')'
   Fail: (211) [system] 'C'=')'
   Call: (211) [system] 'C'=end_of_file
   Fail: (211) [system] 'C'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x55772f068e50), _767092)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _768950)
   Exit: (213) [system] peek_char((0x55772f068e50), 'C')
   Call: (213) [system] 'C'=(;)
   Fail: (213) [system] 'C'=(;)
   Call: (213) [system] 'C'=(/)
   Fail: (213) [system] 'C'=(/)
^  Call: (213) [user] is_like_space('C')
   Call: (214) [system] char_type('C', 'white')
   Fail: (214) [system] char_type('C', 'white')
   Call: (214) [system] char_type('C', end_of_line)
   Fail: (214) [system] char_type('C', end_of_line)
   Call: (214) [system] char_type('C', space)
   Fail: (214) [system] char_type('C', space)
   Call: (214) [system] char_type('C', cntrl)
   Fail: (214) [system] char_type('C', cntrl)
^  Fail: (213) [user] is_like_space('C')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] get_char((0x55772f068e50), _784960)
   Exit: (212) [system] get_char((0x55772f068e50), 'C')
   Call: (212) [system] 'C'='('
   Fail: (212) [system] 'C'='('
   Call: (212) [system] 'C'='['
   Fail: (212) [system] 'C'='['
   Call: (212) [system] 'C'='{'
   Fail: (212) [system] 'C'='{'
   Call: (212) [system] 'C'='"'
   Fail: (212) [system] 'C'='"'
   Call: (212) [system] 'C'=!
   Fail: (212) [system] 'C'=!
   Call: (212) [system] 'C'='\''
   Fail: (212) [system] 'C'='\''
   Call: (212) [system] 'C'='`'
   Fail: (212) [system] 'C'='`'
   Call: (212) [system] 'C'=end_of_file
   Fail: (212) [system] 'C'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x55772f068e50), 'C', _767092)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _802602)
   Call: (214) [system] peek_char((0x55772f068e50), _803536)
   Exit: (214) [system] peek_char((0x55772f068e50), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_808256, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _802602=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (213) [user] classify_and_convert_charseq(['C'], _767092)
^  Call: (214) [user] classify_and_convert_charseq_(['C'], _814692)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_815644, _815646), once(user:catch(read_from_chars(['C'], _814692), _815626, fail)), '$restore_trace'(_815644, _815646))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_815644, _815646))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _814692), _815626, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_814692)
   Fail: (215) [system] atomic(_814692)
   Call: (215) [system] atom_chars(_814692, ['C'])
   Exit: (215) [system] atom_chars('C', ['C'])
^  Exit: (214) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (214) [system] integer('C')
   Fail: (214) [system] integer('C')
   Call: (214) [system] _767092='C'
   Exit: (214) [system] 'C'='C'
^  Exit: (213) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (212) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (211) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (211) [user] read_list(')', (0x55772f068e50), _829642)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _831500)
   Exit: (213) [system] peek_char((0x55772f068e50), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
   Call: (213) [system] ')'=(/)
   Fail: (213) [system] ')'=(/)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _847510)
   Exit: (212) [system] peek_char((0x55772f068e50), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x55772f068e50), _851300)
   Exit: (212) [system] get_char((0x55772f068e50), ')')
   Call: (212) [system] _829642=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x55772f068e50), [])
   Call: (211) [system] _730432=['C']
   Exit: (211) [system] ['C']=['C']
^  Exit: (210) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (210) [system] _255608=[['AndLink', 'A', 'B'], 'C']
   Exit: (210) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (209) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (209) [system] _3836=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (209) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (208) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (207) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (207) [user] read_list(')', (0x55772f068e50), _865182)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _867040)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x55772f068e50), _876634)
   Exit: (209) [system] get_char((0x55772f068e50), ' ')
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _879338)
   Exit: (210) [system] peek_char((0x55772f068e50), 'B')
   Call: (210) [system] 'B'=(;)
   Fail: (210) [system] 'B'=(;)
   Call: (210) [system] 'B'=(/)
   Fail: (210) [system] 'B'=(/)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Fail: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Fail: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Fail: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
   Fail: (211) [system] char_type('B', cntrl)
^  Fail: (210) [user] is_like_space('B')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _896272)
   Exit: (208) [system] peek_char((0x55772f068e50), 'B')
   Call: (208) [system] 'B'=')'
   Fail: (208) [system] 'B'=')'
   Call: (208) [system] 'B'=end_of_file
   Fail: (208) [system] 'B'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x55772f068e50), _901842)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _903700)
   Exit: (210) [system] peek_char((0x55772f068e50), 'B')
   Call: (210) [system] 'B'=(;)
   Fail: (210) [system] 'B'=(;)
   Call: (210) [system] 'B'=(/)
   Fail: (210) [system] 'B'=(/)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Fail: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Fail: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Fail: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
   Fail: (211) [system] char_type('B', cntrl)
^  Fail: (210) [user] is_like_space('B')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] get_char((0x55772f068e50), _919710)
   Exit: (209) [system] get_char((0x55772f068e50), 'B')
   Call: (209) [system] 'B'='('
   Fail: (209) [system] 'B'='('
   Call: (209) [system] 'B'='['
   Fail: (209) [system] 'B'='['
   Call: (209) [system] 'B'='{'
   Fail: (209) [system] 'B'='{'
   Call: (209) [system] 'B'='"'
   Fail: (209) [system] 'B'='"'
   Call: (209) [system] 'B'=!
   Fail: (209) [system] 'B'=!
   Call: (209) [system] 'B'='\''
   Fail: (209) [system] 'B'='\''
   Call: (209) [system] 'B'='`'
   Fail: (209) [system] 'B'='`'
   Call: (209) [system] 'B'=end_of_file
   Fail: (209) [system] 'B'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x55772f068e50), 'B', _901842)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _937352)
   Call: (211) [system] peek_char((0x55772f068e50), _938286)
   Exit: (211) [system] peek_char((0x55772f068e50), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_943006, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _937352=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (210) [user] classify_and_convert_charseq(['B'], _901842)
^  Call: (211) [user] classify_and_convert_charseq_(['B'], _949442)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_950394, _950396), once(user:catch(read_from_chars(['B'], _949442), _950376, fail)), '$restore_trace'(_950394, _950396))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_950394, _950396))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _949442), _950376, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_949442)
   Fail: (212) [system] atomic(_949442)
   Call: (212) [system] atom_chars(_949442, ['B'])
   Exit: (212) [system] atom_chars('B', ['B'])
^  Exit: (211) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (211) [system] integer('B')
   Fail: (211) [system] integer('B')
   Call: (211) [system] _901842='B'
   Exit: (211) [system] 'B'='B'
^  Exit: (210) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (209) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (208) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (208) [user] read_list(')', (0x55772f068e50), _964392)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _966250)
   Exit: (210) [system] peek_char((0x55772f068e50), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
   Call: (210) [system] ')'=(/)
   Fail: (210) [system] ')'=(/)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _982260)
   Exit: (209) [system] peek_char((0x55772f068e50), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x55772f068e50), _986050)
   Exit: (209) [system] get_char((0x55772f068e50), ')')
   Call: (209) [system] _964392=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x55772f068e50), [])
   Call: (208) [system] _865182=['B']
   Exit: (208) [system] ['B']=['B']
^  Exit: (207) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (207) [system] _3832=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (207) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (206) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
   Call: (206) [system] _3824=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (206) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (205) [user] read_list(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Exit: (204) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Call: (204) [user] read_list(')', (0x55772f068e50), _999932)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1001790)
   Exit: (206) [system] peek_char((0x55772f068e50), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
   Call: (206) [system] ')'=(/)
   Fail: (206) [system] ')'=(/)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1017800)
   Exit: (205) [system] peek_char((0x55772f068e50), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x55772f068e50), _1021590)
   Exit: (205) [system] get_char((0x55772f068e50), ')')
   Call: (205) [system] _999932=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x55772f068e50), [])
   Call: (204) [system] _3820=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (204) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (203) [user] read_list(')', (0x55772f068e50), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (203) [system] _3796=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (203) [system] [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (202) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (202) [system] _3788=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (202) [system] [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (201) [user] read_list(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Exit: (200) [user] cont_sexpr(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Call: (200) [user] read_list(')', (0x55772f068e50), _1035472)
^  Call: (201) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _1037330)
   Exit: (202) [system] peek_char((0x55772f068e50), '\n')
   Call: (202) [system] '\n'=(;)
   Fail: (202) [system] '\n'=(;)
   Call: (202) [system] '\n'=(/)
   Fail: (202) [system] '\n'=(/)
^  Call: (202) [user] is_like_space('\n')
   Call: (203) [system] char_type('\n', 'white')
   Fail: (203) [system] char_type('\n', 'white')
   Call: (203) [system] char_type('\n', end_of_line)
   Exit: (203) [system] char_type('\n', end_of_line)
^  Exit: (202) [user] is_like_space('\n')
   Call: (202) [system] get_char((0x55772f068e50), _1048780)
   Exit: (202) [system] get_char((0x55772f068e50), '\n')
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1051484)
   Exit: (203) [system] peek_char((0x55772f068e50), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x55772f068e50), _1061078)
   Exit: (203) [system] get_char((0x55772f068e50), ' ')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1063782)
   Exit: (204) [system] peek_char((0x55772f068e50), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
^  Exit: (201) [user] skip_spaces((0x55772f068e50))
   Call: (201) [system] peek_char((0x55772f068e50), _1081640)
   Exit: (201) [system] peek_char((0x55772f068e50), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x55772f068e50), _1087210)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1089068)
   Exit: (203) [system] peek_char((0x55772f068e50), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] get_char((0x55772f068e50), _1105078)
   Exit: (202) [system] get_char((0x55772f068e50), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x55772f068e50), _1087210)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1110648)
   Exit: (204) [system] peek_char((0x55772f068e50), :)
   Call: (204) [system] (:)=(;)
   Fail: (204) [system] (:)=(;)
   Call: (204) [system] (:)=(/)
   Fail: (204) [system] (:)=(/)
^  Call: (204) [user] is_like_space(:)
   Call: (205) [system] char_type(:, 'white')
   Fail: (205) [system] char_type(:, 'white')
   Call: (205) [system] char_type(:, end_of_line)
   Fail: (205) [system] char_type(:, end_of_line)
   Call: (205) [system] char_type(:, space)
   Fail: (205) [system] char_type(:, space)
   Call: (205) [system] char_type(:, cntrl)
   Fail: (205) [system] char_type(:, cntrl)
^  Fail: (204) [user] is_like_space(:)
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _1126658)
   Exit: (203) [system] peek_char((0x55772f068e50), :)
   Call: (203) [system] (:)=')'
   Fail: (203) [system] (:)=')'
   Call: (203) [system] (:)=end_of_file
   Fail: (203) [system] (:)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x55772f068e50), _1132228)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1134086)
   Exit: (205) [system] peek_char((0x55772f068e50), :)
   Call: (205) [system] (:)=(;)
   Fail: (205) [system] (:)=(;)
   Call: (205) [system] (:)=(/)
   Fail: (205) [system] (:)=(/)
^  Call: (205) [user] is_like_space(:)
   Call: (206) [system] char_type(:, 'white')
   Fail: (206) [system] char_type(:, 'white')
   Call: (206) [system] char_type(:, end_of_line)
   Fail: (206) [system] char_type(:, end_of_line)
   Call: (206) [system] char_type(:, space)
   Fail: (206) [system] char_type(:, space)
   Call: (206) [system] char_type(:, cntrl)
   Fail: (206) [system] char_type(:, cntrl)
^  Fail: (205) [user] is_like_space(:)
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] get_char((0x55772f068e50), _1150096)
   Exit: (204) [system] get_char((0x55772f068e50), :)
   Call: (204) [system] (:)='('
   Fail: (204) [system] (:)='('
   Call: (204) [system] (:)='['
   Fail: (204) [system] (:)='['
   Call: (204) [system] (:)='{'
   Fail: (204) [system] (:)='{'
   Call: (204) [system] (:)='"'
   Fail: (204) [system] (:)='"'
   Call: (204) [system] (:)=!
   Fail: (204) [system] (:)=!
   Call: (204) [system] (:)='\''
   Fail: (204) [system] (:)='\''
   Call: (204) [system] (:)='`'
   Fail: (204) [system] (:)='`'
   Call: (204) [system] (:)=end_of_file
   Fail: (204) [system] (:)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x55772f068e50), :, _1132228)
^  Call: (205) [user] read_symbolic_cont(')', (0x55772f068e50), _1167738)
   Call: (206) [system] peek_char((0x55772f068e50), _1168672)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1167738=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (205) [user] classify_and_convert_charseq([:], _1132228)
^  Call: (206) [user] classify_and_convert_charseq_([:], _1177956)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1178908, _1178910), once(user:catch(read_from_chars([:], _1177956), _1178890, fail)), '$restore_trace'(_1178908, _1178910))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1178908, _1178910))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1178890, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(:)
   Exit: (207) [system] atomic(:)
^  Exit: (206) [user] classify_and_convert_charseq_([:], :)
   Call: (206) [system] integer(:)
   Fail: (206) [system] integer(:)
   Call: (206) [system] _1132228=(:)
   Exit: (206) [system] (:)=(:)
^  Exit: (205) [user] classify_and_convert_charseq([:], :)
^  Exit: (204) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (203) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (203) [user] read_list(')', (0x55772f068e50), _1191036)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _1192894)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x55772f068e50), _1202488)
   Exit: (205) [system] get_char((0x55772f068e50), ' ')
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1205192)
   Exit: (206) [system] peek_char((0x55772f068e50), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _1222126)
   Exit: (204) [system] peek_char((0x55772f068e50), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x55772f068e50), _1227696)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1229554)
   Exit: (206) [system] peek_char((0x55772f068e50), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] get_char((0x55772f068e50), _1245564)
   Exit: (205) [system] get_char((0x55772f068e50), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x55772f068e50), _1227696)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1251134)
   Exit: (207) [system] peek_char((0x55772f068e50), 'D')
   Call: (207) [system] 'D'=(;)
   Fail: (207) [system] 'D'=(;)
   Call: (207) [system] 'D'=(/)
   Fail: (207) [system] 'D'=(/)
^  Call: (207) [user] is_like_space('D')
   Call: (208) [system] char_type('D', 'white')
   Fail: (208) [system] char_type('D', 'white')
   Call: (208) [system] char_type('D', end_of_line)
   Fail: (208) [system] char_type('D', end_of_line)
   Call: (208) [system] char_type('D', space)
   Fail: (208) [system] char_type('D', space)
   Call: (208) [system] char_type('D', cntrl)
   Fail: (208) [system] char_type('D', cntrl)
^  Fail: (207) [user] is_like_space('D')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1267144)
   Exit: (206) [system] peek_char((0x55772f068e50), 'D')
   Call: (206) [system] 'D'=')'
   Fail: (206) [system] 'D'=')'
   Call: (206) [system] 'D'=end_of_file
   Fail: (206) [system] 'D'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x55772f068e50), _1272714)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1274572)
   Exit: (208) [system] peek_char((0x55772f068e50), 'D')
   Call: (208) [system] 'D'=(;)
   Fail: (208) [system] 'D'=(;)
   Call: (208) [system] 'D'=(/)
   Fail: (208) [system] 'D'=(/)
^  Call: (208) [user] is_like_space('D')
   Call: (209) [system] char_type('D', 'white')
   Fail: (209) [system] char_type('D', 'white')
   Call: (209) [system] char_type('D', end_of_line)
   Fail: (209) [system] char_type('D', end_of_line)
   Call: (209) [system] char_type('D', space)
   Fail: (209) [system] char_type('D', space)
   Call: (209) [system] char_type('D', cntrl)
   Fail: (209) [system] char_type('D', cntrl)
^  Fail: (208) [user] is_like_space('D')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] get_char((0x55772f068e50), _1290582)
   Exit: (207) [system] get_char((0x55772f068e50), 'D')
   Call: (207) [system] 'D'='('
   Fail: (207) [system] 'D'='('
   Call: (207) [system] 'D'='['
   Fail: (207) [system] 'D'='['
   Call: (207) [system] 'D'='{'
   Fail: (207) [system] 'D'='{'
   Call: (207) [system] 'D'='"'
   Fail: (207) [system] 'D'='"'
   Call: (207) [system] 'D'=!
   Fail: (207) [system] 'D'=!
   Call: (207) [system] 'D'='\''
   Fail: (207) [system] 'D'='\''
   Call: (207) [system] 'D'='`'
   Fail: (207) [system] 'D'='`'
   Call: (207) [system] 'D'=end_of_file
   Fail: (207) [system] 'D'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x55772f068e50), 'D', _1272714)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _1308224)
   Call: (209) [system] peek_char((0x55772f068e50), _1309158)
   Exit: (209) [system] peek_char((0x55772f068e50), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1313878, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_1314810, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x55772f068e50), i)
   Exit: (209) [system] get_char((0x55772f068e50), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1322160)
   Call: (210) [system] peek_char((0x55772f068e50), _1323094)
   Exit: (210) [system] peek_char((0x55772f068e50), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Fail: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_1327814, v('(', ')', end_of_file), s)
   Fail: (211) [system] arg(_1328746, v('(', ')', end_of_file), s)
^  Fail: (210) [user] is_delimiter(s)
   Call: (210) [system] ')'==s
   Fail: (210) [system] ')'==s
   Call: (210) [system] get_char((0x55772f068e50), s)
   Exit: (210) [system] get_char((0x55772f068e50), s)
   Call: (210) [system] s=(\)
   Fail: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1336096)
   Call: (211) [system] peek_char((0x55772f068e50), _1337030)
   Exit: (211) [system] peek_char((0x55772f068e50), j)
^  Call: (211) [user] is_delimiter(j)
   Call: (212) [system] char_type(j, space)
   Fail: (212) [system] char_type(j, space)
   Call: (212) [system] arg(_1341750, v('(', ')', end_of_file), j)
   Fail: (212) [system] arg(_1342682, v('(', ')', end_of_file), j)
^  Fail: (211) [user] is_delimiter(j)
   Call: (211) [system] ')'==j
   Fail: (211) [system] ')'==j
   Call: (211) [system] get_char((0x55772f068e50), j)
   Exit: (211) [system] get_char((0x55772f068e50), j)
   Call: (211) [system] j=(\)
   Fail: (211) [system] j=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1350032)
   Call: (212) [system] peek_char((0x55772f068e50), _1350966)
   Exit: (212) [system] peek_char((0x55772f068e50), u)
^  Call: (212) [user] is_delimiter(u)
   Call: (213) [system] char_type(u, space)
   Fail: (213) [system] char_type(u, space)
   Call: (213) [system] arg(_1355686, v('(', ')', end_of_file), u)
   Fail: (213) [system] arg(_1356618, v('(', ')', end_of_file), u)
^  Fail: (212) [user] is_delimiter(u)
   Call: (212) [system] ')'==u
   Fail: (212) [system] ')'==u
   Call: (212) [system] get_char((0x55772f068e50), u)
   Exit: (212) [system] get_char((0x55772f068e50), u)
   Call: (212) [system] u=(\)
   Fail: (212) [system] u=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1363968)
   Call: (213) [system] peek_char((0x55772f068e50), _1364902)
   Exit: (213) [system] peek_char((0x55772f068e50), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1369622, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_1370554, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x55772f068e50), n)
   Exit: (213) [system] get_char((0x55772f068e50), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1377904)
   Call: (214) [system] peek_char((0x55772f068e50), _1378838)
   Exit: (214) [system] peek_char((0x55772f068e50), c)
^  Call: (214) [user] is_delimiter(c)
   Call: (215) [system] char_type(c, space)
   Fail: (215) [system] char_type(c, space)
   Call: (215) [system] arg(_1383558, v('(', ')', end_of_file), c)
   Fail: (215) [system] arg(_1384490, v('(', ')', end_of_file), c)
^  Fail: (214) [user] is_delimiter(c)
   Call: (214) [system] ')'==c
   Fail: (214) [system] ')'==c
   Call: (214) [system] get_char((0x55772f068e50), c)
   Exit: (214) [system] get_char((0x55772f068e50), c)
   Call: (214) [system] c=(\)
   Fail: (214) [system] c=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1391840)
   Call: (215) [system] peek_char((0x55772f068e50), _1392774)
   Exit: (215) [system] peek_char((0x55772f068e50), t)
^  Call: (215) [user] is_delimiter(t)
   Call: (216) [system] char_type(t, space)
   Fail: (216) [system] char_type(t, space)
   Call: (216) [system] arg(_1397494, v('(', ')', end_of_file), t)
   Fail: (216) [system] arg(_1398426, v('(', ')', end_of_file), t)
^  Fail: (215) [user] is_delimiter(t)
   Call: (215) [system] ')'==t
   Fail: (215) [system] ')'==t
   Call: (215) [system] get_char((0x55772f068e50), t)
   Exit: (215) [system] get_char((0x55772f068e50), t)
   Call: (215) [system] t=(\)
   Fail: (215) [system] t=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1405776)
   Call: (216) [system] peek_char((0x55772f068e50), _1406710)
   Exit: (216) [system] peek_char((0x55772f068e50), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_1411430, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_1412362, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x55772f068e50), i)
   Exit: (216) [system] get_char((0x55772f068e50), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1419712)
   Call: (217) [system] peek_char((0x55772f068e50), _1420646)
   Exit: (217) [system] peek_char((0x55772f068e50), o)
^  Call: (217) [user] is_delimiter(o)
   Call: (218) [system] char_type(o, space)
   Fail: (218) [system] char_type(o, space)
   Call: (218) [system] arg(_1425366, v('(', ')', end_of_file), o)
   Fail: (218) [system] arg(_1426298, v('(', ')', end_of_file), o)
^  Fail: (217) [user] is_delimiter(o)
   Call: (217) [system] ')'==o
   Fail: (217) [system] ')'==o
   Call: (217) [system] get_char((0x55772f068e50), o)
   Exit: (217) [system] get_char((0x55772f068e50), o)
   Call: (217) [system] o=(\)
   Fail: (217) [system] o=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1433648)
   Call: (218) [system] peek_char((0x55772f068e50), _1434582)
   Exit: (218) [system] peek_char((0x55772f068e50), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1439302, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_1440234, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x55772f068e50), n)
   Exit: (218) [system] get_char((0x55772f068e50), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1447584)
   Call: (219) [system] peek_char((0x55772f068e50), _1448518)
   Exit: (219) [system] peek_char((0x55772f068e50), 'I')
^  Call: (219) [user] is_delimiter('I')
   Call: (220) [system] char_type('I', space)
   Fail: (220) [system] char_type('I', space)
   Call: (220) [system] arg(_1453238, v('(', ')', end_of_file), 'I')
   Fail: (220) [system] arg(_1454170, v('(', ')', end_of_file), 'I')
^  Fail: (219) [user] is_delimiter('I')
   Call: (219) [system] ')'=='I'
   Fail: (219) [system] ')'=='I'
   Call: (219) [system] get_char((0x55772f068e50), 'I')
   Exit: (219) [system] get_char((0x55772f068e50), 'I')
   Call: (219) [system] 'I'=(\)
   Fail: (219) [system] 'I'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1461520)
   Call: (220) [system] peek_char((0x55772f068e50), _1462454)
   Exit: (220) [system] peek_char((0x55772f068e50), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1467174, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1468106, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x55772f068e50), n)
   Exit: (220) [system] get_char((0x55772f068e50), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1475456)
   Call: (221) [system] peek_char((0x55772f068e50), _1476390)
   Exit: (221) [system] peek_char((0x55772f068e50), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_1481110, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_1482042, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x55772f068e50), t)
   Exit: (221) [system] get_char((0x55772f068e50), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1489392)
   Call: (222) [system] peek_char((0x55772f068e50), _1490326)
   Exit: (222) [system] peek_char((0x55772f068e50), r)
^  Call: (222) [user] is_delimiter(r)
   Call: (223) [system] char_type(r, space)
   Fail: (223) [system] char_type(r, space)
   Call: (223) [system] arg(_1495046, v('(', ')', end_of_file), r)
   Fail: (223) [system] arg(_1495978, v('(', ')', end_of_file), r)
^  Fail: (222) [user] is_delimiter(r)
   Call: (222) [system] ')'==r
   Fail: (222) [system] ')'==r
   Call: (222) [system] get_char((0x55772f068e50), r)
   Exit: (222) [system] get_char((0x55772f068e50), r)
   Call: (222) [system] r=(\)
   Fail: (222) [system] r=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1503328)
   Call: (223) [system] peek_char((0x55772f068e50), _1504262)
   Exit: (223) [system] peek_char((0x55772f068e50), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_1508982, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_1509914, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x55772f068e50), o)
   Exit: (223) [system] get_char((0x55772f068e50), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1517264)
   Call: (224) [system] peek_char((0x55772f068e50), _1518198)
   Exit: (224) [system] peek_char((0x55772f068e50), d)
^  Call: (224) [user] is_delimiter(d)
   Call: (225) [system] char_type(d, space)
   Fail: (225) [system] char_type(d, space)
   Call: (225) [system] arg(_1522918, v('(', ')', end_of_file), d)
   Fail: (225) [system] arg(_1523850, v('(', ')', end_of_file), d)
^  Fail: (224) [user] is_delimiter(d)
   Call: (224) [system] ')'==d
   Fail: (224) [system] ')'==d
   Call: (224) [system] get_char((0x55772f068e50), d)
   Exit: (224) [system] get_char((0x55772f068e50), d)
   Call: (224) [system] d=(\)
   Fail: (224) [system] d=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1531200)
   Call: (225) [system] peek_char((0x55772f068e50), _1532134)
   Exit: (225) [system] peek_char((0x55772f068e50), u)
^  Call: (225) [user] is_delimiter(u)
   Call: (226) [system] char_type(u, space)
   Fail: (226) [system] char_type(u, space)
   Call: (226) [system] arg(_1536854, v('(', ')', end_of_file), u)
   Fail: (226) [system] arg(_1537786, v('(', ')', end_of_file), u)
^  Fail: (225) [user] is_delimiter(u)
   Call: (225) [system] ')'==u
   Fail: (225) [system] ')'==u
   Call: (225) [system] get_char((0x55772f068e50), u)
   Exit: (225) [system] get_char((0x55772f068e50), u)
   Call: (225) [system] u=(\)
   Fail: (225) [system] u=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1545136)
   Call: (226) [system] peek_char((0x55772f068e50), _1546070)
   Exit: (226) [system] peek_char((0x55772f068e50), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_1550790, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_1551722, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x55772f068e50), c)
   Exit: (226) [system] get_char((0x55772f068e50), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1559072)
   Call: (227) [system] peek_char((0x55772f068e50), _1560006)
   Exit: (227) [system] peek_char((0x55772f068e50), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_1564726, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_1565658, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x55772f068e50), t)
   Exit: (227) [system] get_char((0x55772f068e50), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1573008)
   Call: (228) [system] peek_char((0x55772f068e50), _1573942)
   Exit: (228) [system] peek_char((0x55772f068e50), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1578662, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_1579594, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x55772f068e50), i)
   Exit: (228) [system] get_char((0x55772f068e50), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1586944)
   Call: (229) [system] peek_char((0x55772f068e50), _1587878)
   Exit: (229) [system] peek_char((0x55772f068e50), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_1592598, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_1593530, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x55772f068e50), o)
   Exit: (229) [system] get_char((0x55772f068e50), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1600880)
   Call: (230) [system] peek_char((0x55772f068e50), _1601814)
   Exit: (230) [system] peek_char((0x55772f068e50), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1606534, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1607466, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x55772f068e50), n)
   Exit: (230) [system] get_char((0x55772f068e50), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1614816)
   Call: (231) [system] peek_char((0x55772f068e50), _1615750)
   Exit: (231) [system] peek_char((0x55772f068e50), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1614816=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (230) [system] _1600880=[n]
   Exit: (230) [system] [n]=[n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (229) [system] _1586944=[o, n]
   Exit: (229) [system] [o, n]=[o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (228) [system] _1573008=[i, o, n]
   Exit: (228) [system] [i, o, n]=[i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (227) [system] _1559072=[t, i, o, n]
   Exit: (227) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (226) [system] _1545136=[c, t, i, o, n]
   Exit: (226) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (225) [system] _1531200=[u, c, t, i, o, n]
   Exit: (225) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (224) [system] _1517264=[d, u, c, t, i, o, n]
   Exit: (224) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (223) [system] _1503328=[o, d, u, c, t, i, o, n]
   Exit: (223) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (222) [system] _1489392=[r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1475456=[t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1461520=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1447584=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1433648=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1419712=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1405776=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1391840=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1377904=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1363968=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1350032=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1336096=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1322160=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1308224=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (208) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1272714)
^  Call: (209) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1686502)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1687454, _1687456), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1686502), _1687436, fail)), '$restore_trace'(_1687454, _1687456))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1687454, _1687456))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1686502), _1687436, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_1686502)
   Fail: (210) [system] atomic(_1686502)
   Call: (210) [system] atom_chars(_1686502, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (210) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (209) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (209) [system] integer('DisjunctionIntroduction')
   Fail: (209) [system] integer('DisjunctionIntroduction')
   Call: (209) [system] _1272714='DisjunctionIntroduction'
   Exit: (209) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (208) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (207) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (206) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (206) [user] read_list(')', (0x55772f068e50), _1701452)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1703310)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x55772f068e50), _1712904)
   Exit: (208) [system] get_char((0x55772f068e50), ' ')
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1715608)
   Exit: (209) [system] peek_char((0x55772f068e50), a)
   Call: (209) [system] a=(;)
   Fail: (209) [system] a=(;)
   Call: (209) [system] a=(/)
   Fail: (209) [system] a=(/)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Fail: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Fail: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Fail: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
   Fail: (210) [system] char_type(a, cntrl)
^  Fail: (209) [user] is_like_space(a)
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1732542)
   Exit: (207) [system] peek_char((0x55772f068e50), a)
   Call: (207) [system] a=')'
   Fail: (207) [system] a=')'
   Call: (207) [system] a=end_of_file
   Fail: (207) [system] a=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x55772f068e50), _1738112)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1739970)
   Exit: (209) [system] peek_char((0x55772f068e50), a)
   Call: (209) [system] a=(;)
   Fail: (209) [system] a=(;)
   Call: (209) [system] a=(/)
   Fail: (209) [system] a=(/)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Fail: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Fail: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Fail: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
   Fail: (210) [system] char_type(a, cntrl)
^  Fail: (209) [user] is_like_space(a)
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] get_char((0x55772f068e50), _1755980)
   Exit: (208) [system] get_char((0x55772f068e50), a)
   Call: (208) [system] a='('
   Fail: (208) [system] a='('
   Call: (208) [system] a='['
   Fail: (208) [system] a='['
   Call: (208) [system] a='{'
   Fail: (208) [system] a='{'
   Call: (208) [system] a='"'
   Fail: (208) [system] a='"'
   Call: (208) [system] a=!
   Fail: (208) [system] a=!
   Call: (208) [system] a='\''
   Fail: (208) [system] a='\''
   Call: (208) [system] a='`'
   Fail: (208) [system] a='`'
   Call: (208) [system] a=end_of_file
   Fail: (208) [system] a=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x55772f068e50), a, _1738112)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _1773622)
   Call: (210) [system] peek_char((0x55772f068e50), _1774556)
   Exit: (210) [system] peek_char((0x55772f068e50), b)
^  Call: (210) [user] is_delimiter(b)
   Call: (211) [system] char_type(b, space)
   Fail: (211) [system] char_type(b, space)
   Call: (211) [system] arg(_1779276, v('(', ')', end_of_file), b)
   Fail: (211) [system] arg(_1780208, v('(', ')', end_of_file), b)
^  Fail: (210) [user] is_delimiter(b)
   Call: (210) [system] ')'==b
   Fail: (210) [system] ')'==b
   Call: (210) [system] get_char((0x55772f068e50), b)
   Exit: (210) [system] get_char((0x55772f068e50), b)
   Call: (210) [system] b=(\)
   Fail: (210) [system] b=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1787558)
   Call: (211) [system] peek_char((0x55772f068e50), _1788492)
   Exit: (211) [system] peek_char((0x55772f068e50), c)
^  Call: (211) [user] is_delimiter(c)
   Call: (212) [system] char_type(c, space)
   Fail: (212) [system] char_type(c, space)
   Call: (212) [system] arg(_1793212, v('(', ')', end_of_file), c)
   Fail: (212) [system] arg(_1794144, v('(', ')', end_of_file), c)
^  Fail: (211) [user] is_delimiter(c)
   Call: (211) [system] ')'==c
   Fail: (211) [system] ')'==c
   Call: (211) [system] get_char((0x55772f068e50), c)
   Exit: (211) [system] get_char((0x55772f068e50), c)
   Call: (211) [system] c=(\)
   Fail: (211) [system] c=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1801494)
   Call: (212) [system] peek_char((0x55772f068e50), _1802428)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1801494=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (211) [system] _1787558=[c]
   Exit: (211) [system] [c]=[c]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (210) [system] _1773622=[b, c]
   Exit: (210) [system] [b, c]=[b, c]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (209) [user] classify_and_convert_charseq([a, b, c], _1738112)
^  Call: (210) [user] classify_and_convert_charseq_([a, b, c], _1817300)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1818252, _1818254), once(user:catch(read_from_chars([a, b, c], _1817300), _1818234, fail)), '$restore_trace'(_1818252, _1818254))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1818252, _1818254))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1818234, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(abc)
   Exit: (211) [system] atomic(abc)
^  Exit: (210) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (210) [system] integer(abc)
   Fail: (210) [system] integer(abc)
   Call: (210) [system] _1738112=abc
   Exit: (210) [system] abc=abc
^  Exit: (209) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (208) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (207) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (207) [user] read_list(')', (0x55772f068e50), _1830380)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1832238)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x55772f068e50), _1841832)
   Exit: (209) [system] get_char((0x55772f068e50), ' ')
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1844536)
   Exit: (210) [system] peek_char((0x55772f068e50), c)
   Call: (210) [system] c=(;)
   Fail: (210) [system] c=(;)
   Call: (210) [system] c=(/)
   Fail: (210) [system] c=(/)
^  Call: (210) [user] is_like_space(c)
   Call: (211) [system] char_type(c, 'white')
   Fail: (211) [system] char_type(c, 'white')
   Call: (211) [system] char_type(c, end_of_line)
   Fail: (211) [system] char_type(c, end_of_line)
   Call: (211) [system] char_type(c, space)
   Fail: (211) [system] char_type(c, space)
   Call: (211) [system] char_type(c, cntrl)
   Fail: (211) [system] char_type(c, cntrl)
^  Fail: (210) [user] is_like_space(c)
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1861470)
   Exit: (208) [system] peek_char((0x55772f068e50), c)
   Call: (208) [system] c=')'
   Fail: (208) [system] c=')'
   Call: (208) [system] c=end_of_file
   Fail: (208) [system] c=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x55772f068e50), _1867040)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1868898)
   Exit: (210) [system] peek_char((0x55772f068e50), c)
   Call: (210) [system] c=(;)
   Fail: (210) [system] c=(;)
   Call: (210) [system] c=(/)
   Fail: (210) [system] c=(/)
^  Call: (210) [user] is_like_space(c)
   Call: (211) [system] char_type(c, 'white')
   Fail: (211) [system] char_type(c, 'white')
   Call: (211) [system] char_type(c, end_of_line)
   Fail: (211) [system] char_type(c, end_of_line)
   Call: (211) [system] char_type(c, space)
   Fail: (211) [system] char_type(c, space)
   Call: (211) [system] char_type(c, cntrl)
   Fail: (211) [system] char_type(c, cntrl)
^  Fail: (210) [user] is_like_space(c)
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] get_char((0x55772f068e50), _1884908)
   Exit: (209) [system] get_char((0x55772f068e50), c)
   Call: (209) [system] c='('
   Fail: (209) [system] c='('
   Call: (209) [system] c='['
   Fail: (209) [system] c='['
   Call: (209) [system] c='{'
   Fail: (209) [system] c='{'
   Call: (209) [system] c='"'
   Fail: (209) [system] c='"'
   Call: (209) [system] c=!
   Fail: (209) [system] c=!
   Call: (209) [system] c='\''
   Fail: (209) [system] c='\''
   Call: (209) [system] c='`'
   Fail: (209) [system] c='`'
   Call: (209) [system] c=end_of_file
   Fail: (209) [system] c=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x55772f068e50), c, _1867040)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1902550)
   Call: (211) [system] peek_char((0x55772f068e50), _1903484)
   Exit: (211) [system] peek_char((0x55772f068e50), d)
^  Call: (211) [user] is_delimiter(d)
   Call: (212) [system] char_type(d, space)
   Fail: (212) [system] char_type(d, space)
   Call: (212) [system] arg(_1908204, v('(', ')', end_of_file), d)
   Fail: (212) [system] arg(_1909136, v('(', ')', end_of_file), d)
^  Fail: (211) [user] is_delimiter(d)
   Call: (211) [system] ')'==d
   Fail: (211) [system] ')'==d
   Call: (211) [system] get_char((0x55772f068e50), d)
   Exit: (211) [system] get_char((0x55772f068e50), d)
   Call: (211) [system] d=(\)
   Fail: (211) [system] d=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1916486)
   Call: (212) [system] peek_char((0x55772f068e50), _1917420)
   Exit: (212) [system] peek_char((0x55772f068e50), e)
^  Call: (212) [user] is_delimiter(e)
   Call: (213) [system] char_type(e, space)
   Fail: (213) [system] char_type(e, space)
   Call: (213) [system] arg(_1922140, v('(', ')', end_of_file), e)
   Fail: (213) [system] arg(_1923072, v('(', ')', end_of_file), e)
^  Fail: (212) [user] is_delimiter(e)
   Call: (212) [system] ')'==e
   Fail: (212) [system] ')'==e
   Call: (212) [system] get_char((0x55772f068e50), e)
   Exit: (212) [system] get_char((0x55772f068e50), e)
   Call: (212) [system] e=(\)
   Fail: (212) [system] e=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1930422)
   Call: (213) [system] peek_char((0x55772f068e50), _1931356)
   Exit: (213) [system] peek_char((0x55772f068e50), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_1936076, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _1930422=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (212) [system] _1916486=[e]
   Exit: (212) [system] [e]=[e]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (211) [system] _1902550=[d, e]
   Exit: (211) [system] [d, e]=[d, e]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [d, e])
^  Call: (210) [user] classify_and_convert_charseq([c, d, e], _1867040)
^  Call: (211) [user] classify_and_convert_charseq_([c, d, e], _1948100)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1949052, _1949054), once(user:catch(read_from_chars([c, d, e], _1948100), _1949034, fail)), '$restore_trace'(_1949052, _1949054))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1949052, _1949054))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1949034, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(cde)
   Exit: (212) [system] atomic(cde)
^  Exit: (211) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (211) [system] integer(cde)
   Fail: (211) [system] integer(cde)
   Call: (211) [system] _1867040=cde
   Exit: (211) [system] cde=cde
^  Exit: (210) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (209) [user] read_symbolic(')', (0x55772f068e50), c, cde)
^  Exit: (208) [user] cont_sexpr(')', (0x55772f068e50), cde)
^  Call: (208) [user] read_list(')', (0x55772f068e50), _1961180)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1963038)
   Exit: (210) [system] peek_char((0x55772f068e50), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
   Call: (210) [system] ')'=(/)
   Fail: (210) [system] ')'=(/)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1979048)
   Exit: (209) [system] peek_char((0x55772f068e50), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x55772f068e50), _1982838)
   Exit: (209) [system] get_char((0x55772f068e50), ')')
   Call: (209) [system] _1961180=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x55772f068e50), [])
   Call: (208) [system] _1830380=[cde]
   Exit: (208) [system] [cde]=[cde]
^  Exit: (207) [user] read_list(')', (0x55772f068e50), [cde])
   Call: (207) [system] _1701452=[abc, cde]
   Exit: (207) [system] [abc, cde]=[abc, cde]
^  Exit: (206) [user] read_list(')', (0x55772f068e50), [abc, cde])
   Call: (206) [system] _1227696=['DisjunctionIntroduction', abc, cde]
   Exit: (206) [system] ['DisjunctionIntroduction', abc, cde]=['DisjunctionIntroduction', abc, cde]
^  Exit: (205) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, cde])
^  Exit: (204) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, cde])
^  Call: (204) [user] read_list(')', (0x55772f068e50), _1996720)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1998578)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x55772f068e50), _2008172)
   Exit: (206) [system] get_char((0x55772f068e50), ' ')
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _2010876)
   Exit: (207) [system] peek_char((0x55772f068e50), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _2027810)
   Exit: (205) [system] peek_char((0x55772f068e50), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x55772f068e50), _2033380)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _2035238)
   Exit: (207) [system] peek_char((0x55772f068e50), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] get_char((0x55772f068e50), _2051248)
   Exit: (206) [system] get_char((0x55772f068e50), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x55772f068e50), _2033380)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _2056818)
   Exit: (208) [system] peek_char((0x55772f068e50), 'O')
   Call: (208) [system] 'O'=(;)
   Fail: (208) [system] 'O'=(;)
   Call: (208) [system] 'O'=(/)
   Fail: (208) [system] 'O'=(/)
^  Call: (208) [user] is_like_space('O')
   Call: (209) [system] char_type('O', 'white')
   Fail: (209) [system] char_type('O', 'white')
   Call: (209) [system] char_type('O', end_of_line)
   Fail: (209) [system] char_type('O', end_of_line)
   Call: (209) [system] char_type('O', space)
   Fail: (209) [system] char_type('O', space)
   Call: (209) [system] char_type('O', cntrl)
   Fail: (209) [system] char_type('O', cntrl)
^  Fail: (208) [user] is_like_space('O')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _2072828)
   Exit: (207) [system] peek_char((0x55772f068e50), 'O')
   Call: (207) [system] 'O'=')'
   Fail: (207) [system] 'O'=')'
   Call: (207) [system] 'O'=end_of_file
   Fail: (207) [system] 'O'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x55772f068e50), _2078398)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _2080256)
   Exit: (209) [system] peek_char((0x55772f068e50), 'O')
   Call: (209) [system] 'O'=(;)
   Fail: (209) [system] 'O'=(;)
   Call: (209) [system] 'O'=(/)
   Fail: (209) [system] 'O'=(/)
^  Call: (209) [user] is_like_space('O')
   Call: (210) [system] char_type('O', 'white')
   Fail: (210) [system] char_type('O', 'white')
   Call: (210) [system] char_type('O', end_of_line)
   Fail: (210) [system] char_type('O', end_of_line)
   Call: (210) [system] char_type('O', space)
   Fail: (210) [system] char_type('O', space)
   Call: (210) [system] char_type('O', cntrl)
   Fail: (210) [system] char_type('O', cntrl)
^  Fail: (209) [user] is_like_space('O')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] get_char((0x55772f068e50), _3930)
   Exit: (208) [system] get_char((0x55772f068e50), 'O')
   Call: (208) [system] 'O'='('
   Fail: (208) [system] 'O'='('
   Call: (208) [system] 'O'='['
   Fail: (208) [system] 'O'='['
   Call: (208) [system] 'O'='{'
   Fail: (208) [system] 'O'='{'
   Call: (208) [system] 'O'='"'
   Fail: (208) [system] 'O'='"'
   Call: (208) [system] 'O'=!
   Fail: (208) [system] 'O'=!
   Call: (208) [system] 'O'='\''
   Fail: (208) [system] 'O'='\''
   Call: (208) [system] 'O'='`'
   Fail: (208) [system] 'O'='`'
   Call: (208) [system] 'O'=end_of_file
   Fail: (208) [system] 'O'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x55772f068e50), 'O', _3926)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _21034)
   Call: (210) [system] peek_char((0x55772f068e50), _21968)
   Exit: (210) [system] peek_char((0x55772f068e50), r)
^  Call: (210) [user] is_delimiter(r)
   Call: (211) [system] char_type(r, space)
   Fail: (211) [system] char_type(r, space)
   Call: (211) [system] arg(_26688, v('(', ')', end_of_file), r)
   Fail: (211) [system] arg(_27620, v('(', ')', end_of_file), r)
^  Fail: (210) [user] is_delimiter(r)
   Call: (210) [system] ')'==r
   Fail: (210) [system] ')'==r
   Call: (210) [system] get_char((0x55772f068e50), r)
   Exit: (210) [system] get_char((0x55772f068e50), r)
   Call: (210) [system] r=(\)
   Fail: (210) [system] r=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _34970)
   Call: (211) [system] peek_char((0x55772f068e50), _35904)
   Exit: (211) [system] peek_char((0x55772f068e50), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Fail: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_40624, v('(', ')', end_of_file), 'L')
   Fail: (212) [system] arg(_41556, v('(', ')', end_of_file), 'L')
^  Fail: (211) [user] is_delimiter('L')
   Call: (211) [system] ')'=='L'
   Fail: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x55772f068e50), 'L')
   Exit: (211) [system] get_char((0x55772f068e50), 'L')
   Call: (211) [system] 'L'=(\)
   Fail: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _48906)
   Call: (212) [system] peek_char((0x55772f068e50), _49840)
   Exit: (212) [system] peek_char((0x55772f068e50), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_54560, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_55492, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x55772f068e50), i)
   Exit: (212) [system] get_char((0x55772f068e50), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _62842)
   Call: (213) [system] peek_char((0x55772f068e50), _63776)
   Exit: (213) [system] peek_char((0x55772f068e50), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_68496, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_69428, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x55772f068e50), n)
   Exit: (213) [system] get_char((0x55772f068e50), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _76778)
   Call: (214) [system] peek_char((0x55772f068e50), _77712)
   Exit: (214) [system] peek_char((0x55772f068e50), k)
^  Call: (214) [user] is_delimiter(k)
   Call: (215) [system] char_type(k, space)
   Fail: (215) [system] char_type(k, space)
   Call: (215) [system] arg(_82432, v('(', ')', end_of_file), k)
   Fail: (215) [system] arg(_83364, v('(', ')', end_of_file), k)
^  Fail: (214) [user] is_delimiter(k)
   Call: (214) [system] ')'==k
   Fail: (214) [system] ')'==k
   Call: (214) [system] get_char((0x55772f068e50), k)
   Exit: (214) [system] get_char((0x55772f068e50), k)
   Call: (214) [system] k=(\)
   Fail: (214) [system] k=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _90714)
   Call: (215) [system] peek_char((0x55772f068e50), _91648)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _90714=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (214) [system] _76778=[k]
   Exit: (214) [system] [k]=[k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (213) [system] _62842=[n, k]
   Exit: (213) [system] [n, k]=[n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (212) [system] _48906=[i, n, k]
   Exit: (212) [system] [i, n, k]=[i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (211) [system] _34970=['L', i, n, k]
   Exit: (211) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (210) [system] _21034=[r, 'L', i, n, k]
   Exit: (210) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (209) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _3926)
^  Call: (210) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _114902)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_115854, _115856), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _114902), _115836, fail)), '$restore_trace'(_115854, _115856))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_115854, _115856))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _114902), _115836, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_114902)
   Fail: (211) [system] atomic(_114902)
   Call: (211) [system] atom_chars(_114902, ['O', r, 'L', i, n, k])
   Exit: (211) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (210) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (210) [system] integer('OrLink')
   Fail: (210) [system] integer('OrLink')
   Call: (210) [system] _3926='OrLink'
   Exit: (210) [system] 'OrLink'='OrLink'
^  Exit: (209) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (208) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (207) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (207) [user] read_list(')', (0x55772f068e50), _129852)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _131710)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x55772f068e50), _141304)
   Exit: (209) [system] get_char((0x55772f068e50), ' ')
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _144008)
   Exit: (210) [system] peek_char((0x55772f068e50), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _160942)
   Exit: (208) [system] peek_char((0x55772f068e50), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x55772f068e50), _166512)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _168370)
   Exit: (210) [system] peek_char((0x55772f068e50), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] get_char((0x55772f068e50), _184380)
   Exit: (209) [system] get_char((0x55772f068e50), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x55772f068e50), _166512)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _189950)
   Exit: (211) [system] peek_char((0x55772f068e50), 'I')
   Call: (211) [system] 'I'=(;)
   Fail: (211) [system] 'I'=(;)
   Call: (211) [system] 'I'=(/)
   Fail: (211) [system] 'I'=(/)
^  Call: (211) [user] is_like_space('I')
   Call: (212) [system] char_type('I', 'white')
   Fail: (212) [system] char_type('I', 'white')
   Call: (212) [system] char_type('I', end_of_line)
   Fail: (212) [system] char_type('I', end_of_line)
   Call: (212) [system] char_type('I', space)
   Fail: (212) [system] char_type('I', space)
   Call: (212) [system] char_type('I', cntrl)
   Fail: (212) [system] char_type('I', cntrl)
^  Fail: (211) [user] is_like_space('I')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _205960)
   Exit: (210) [system] peek_char((0x55772f068e50), 'I')
   Call: (210) [system] 'I'=')'
   Fail: (210) [system] 'I'=')'
   Call: (210) [system] 'I'=end_of_file
   Fail: (210) [system] 'I'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x55772f068e50), _211530)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _213388)
   Exit: (212) [system] peek_char((0x55772f068e50), 'I')
   Call: (212) [system] 'I'=(;)
   Fail: (212) [system] 'I'=(;)
   Call: (212) [system] 'I'=(/)
   Fail: (212) [system] 'I'=(/)
^  Call: (212) [user] is_like_space('I')
   Call: (213) [system] char_type('I', 'white')
   Fail: (213) [system] char_type('I', 'white')
   Call: (213) [system] char_type('I', end_of_line)
   Fail: (213) [system] char_type('I', end_of_line)
   Call: (213) [system] char_type('I', space)
   Fail: (213) [system] char_type('I', space)
   Call: (213) [system] char_type('I', cntrl)
   Fail: (213) [system] char_type('I', cntrl)
^  Fail: (212) [user] is_like_space('I')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] get_char((0x55772f068e50), _229398)
   Exit: (211) [system] get_char((0x55772f068e50), 'I')
   Call: (211) [system] 'I'='('
   Fail: (211) [system] 'I'='('
   Call: (211) [system] 'I'='['
   Fail: (211) [system] 'I'='['
   Call: (211) [system] 'I'='{'
   Fail: (211) [system] 'I'='{'
   Call: (211) [system] 'I'='"'
   Fail: (211) [system] 'I'='"'
   Call: (211) [system] 'I'=!
   Fail: (211) [system] 'I'=!
   Call: (211) [system] 'I'='\''
   Fail: (211) [system] 'I'='\''
   Call: (211) [system] 'I'='`'
   Fail: (211) [system] 'I'='`'
   Call: (211) [system] 'I'=end_of_file
   Fail: (211) [system] 'I'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x55772f068e50), 'I', _211530)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _247040)
   Call: (213) [system] peek_char((0x55772f068e50), _247974)
   Exit: (213) [system] peek_char((0x55772f068e50), m)
^  Call: (213) [user] is_delimiter(m)
   Call: (214) [system] char_type(m, space)
   Fail: (214) [system] char_type(m, space)
   Call: (214) [system] arg(_252694, v('(', ')', end_of_file), m)
   Fail: (214) [system] arg(_253626, v('(', ')', end_of_file), m)
^  Fail: (213) [user] is_delimiter(m)
   Call: (213) [system] ')'==m
   Fail: (213) [system] ')'==m
   Call: (213) [system] get_char((0x55772f068e50), m)
   Exit: (213) [system] get_char((0x55772f068e50), m)
   Call: (213) [system] m=(\)
   Fail: (213) [system] m=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _260976)
   Call: (214) [system] peek_char((0x55772f068e50), _261910)
   Exit: (214) [system] peek_char((0x55772f068e50), p)
^  Call: (214) [user] is_delimiter(p)
   Call: (215) [system] char_type(p, space)
   Fail: (215) [system] char_type(p, space)
   Call: (215) [system] arg(_266630, v('(', ')', end_of_file), p)
   Fail: (215) [system] arg(_267562, v('(', ')', end_of_file), p)
^  Fail: (214) [user] is_delimiter(p)
   Call: (214) [system] ')'==p
   Fail: (214) [system] ')'==p
   Call: (214) [system] get_char((0x55772f068e50), p)
   Exit: (214) [system] get_char((0x55772f068e50), p)
   Call: (214) [system] p=(\)
   Fail: (214) [system] p=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _274912)
   Call: (215) [system] peek_char((0x55772f068e50), _275846)
   Exit: (215) [system] peek_char((0x55772f068e50), l)
^  Call: (215) [user] is_delimiter(l)
   Call: (216) [system] char_type(l, space)
   Fail: (216) [system] char_type(l, space)
   Call: (216) [system] arg(_280566, v('(', ')', end_of_file), l)
   Fail: (216) [system] arg(_281498, v('(', ')', end_of_file), l)
^  Fail: (215) [user] is_delimiter(l)
   Call: (215) [system] ')'==l
   Fail: (215) [system] ')'==l
   Call: (215) [system] get_char((0x55772f068e50), l)
   Exit: (215) [system] get_char((0x55772f068e50), l)
   Call: (215) [system] l=(\)
   Fail: (215) [system] l=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _288848)
   Call: (216) [system] peek_char((0x55772f068e50), _289782)
   Exit: (216) [system] peek_char((0x55772f068e50), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_294502, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_295434, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x55772f068e50), i)
   Exit: (216) [system] get_char((0x55772f068e50), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _302784)
   Call: (217) [system] peek_char((0x55772f068e50), _303718)
   Exit: (217) [system] peek_char((0x55772f068e50), c)
^  Call: (217) [user] is_delimiter(c)
   Call: (218) [system] char_type(c, space)
   Fail: (218) [system] char_type(c, space)
   Call: (218) [system] arg(_308438, v('(', ')', end_of_file), c)
   Fail: (218) [system] arg(_309370, v('(', ')', end_of_file), c)
^  Fail: (217) [user] is_delimiter(c)
   Call: (217) [system] ')'==c
   Fail: (217) [system] ')'==c
   Call: (217) [system] get_char((0x55772f068e50), c)
   Exit: (217) [system] get_char((0x55772f068e50), c)
   Call: (217) [system] c=(\)
   Fail: (217) [system] c=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _316720)
   Call: (218) [system] peek_char((0x55772f068e50), _317654)
   Exit: (218) [system] peek_char((0x55772f068e50), a)
^  Call: (218) [user] is_delimiter(a)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] arg(_322374, v('(', ')', end_of_file), a)
   Fail: (219) [system] arg(_323306, v('(', ')', end_of_file), a)
^  Fail: (218) [user] is_delimiter(a)
   Call: (218) [system] ')'==a
   Fail: (218) [system] ')'==a
   Call: (218) [system] get_char((0x55772f068e50), a)
   Exit: (218) [system] get_char((0x55772f068e50), a)
   Call: (218) [system] a=(\)
   Fail: (218) [system] a=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _330656)
   Call: (219) [system] peek_char((0x55772f068e50), _331590)
   Exit: (219) [system] peek_char((0x55772f068e50), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Fail: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_336310, v('(', ')', end_of_file), t)
   Fail: (220) [system] arg(_337242, v('(', ')', end_of_file), t)
^  Fail: (219) [user] is_delimiter(t)
   Call: (219) [system] ')'==t
   Fail: (219) [system] ')'==t
   Call: (219) [system] get_char((0x55772f068e50), t)
   Exit: (219) [system] get_char((0x55772f068e50), t)
   Call: (219) [system] t=(\)
   Fail: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _344592)
   Call: (220) [system] peek_char((0x55772f068e50), _345526)
   Exit: (220) [system] peek_char((0x55772f068e50), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_350246, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_351178, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x55772f068e50), i)
   Exit: (220) [system] get_char((0x55772f068e50), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _358528)
   Call: (221) [system] peek_char((0x55772f068e50), _359462)
   Exit: (221) [system] peek_char((0x55772f068e50), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Fail: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_364182, v('(', ')', end_of_file), o)
   Fail: (222) [system] arg(_365114, v('(', ')', end_of_file), o)
^  Fail: (221) [user] is_delimiter(o)
   Call: (221) [system] ')'==o
   Fail: (221) [system] ')'==o
   Call: (221) [system] get_char((0x55772f068e50), o)
   Exit: (221) [system] get_char((0x55772f068e50), o)
   Call: (221) [system] o=(\)
   Fail: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _372464)
   Call: (222) [system] peek_char((0x55772f068e50), _373398)
   Exit: (222) [system] peek_char((0x55772f068e50), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_378118, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_379050, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x55772f068e50), n)
   Exit: (222) [system] get_char((0x55772f068e50), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _386400)
   Call: (223) [system] peek_char((0x55772f068e50), _387334)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _386400=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (222) [system] _372464=[n]
   Exit: (222) [system] [n]=[n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (221) [system] _358528=[o, n]
   Exit: (221) [system] [o, n]=[o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (220) [system] _344592=[i, o, n]
   Exit: (220) [system] [i, o, n]=[i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (219) [system] _330656=[t, i, o, n]
   Exit: (219) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (218) [system] _316720=[a, t, i, o, n]
   Exit: (218) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (217) [system] _302784=[c, a, t, i, o, n]
   Exit: (217) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (216) [system] _288848=[i, c, a, t, i, o, n]
   Exit: (216) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (215) [system] _274912=[l, i, c, a, t, i, o, n]
   Exit: (215) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (214) [system] _260976=[p, l, i, c, a, t, i, o, n]
   Exit: (214) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (213) [system] _247040=[m, p, l, i, c, a, t, i, o, n]
   Exit: (213) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (212) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _211530)
^  Call: (213) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _424558)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_425510, _425512), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _424558), _425492, fail)), '$restore_trace'(_425510, _425512))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_425510, _425512))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _424558), _425492, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_424558)
   Fail: (214) [system] atomic(_424558)
   Call: (214) [system] atom_chars(_424558, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (214) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (213) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (213) [system] integer('Implication')
   Fail: (213) [system] integer('Implication')
   Call: (213) [system] _211530='Implication'
   Exit: (213) [system] 'Implication'='Implication'
^  Exit: (212) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (211) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (210) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (210) [user] read_list(')', (0x55772f068e50), _439508)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _441366)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x55772f068e50), _450960)
   Exit: (212) [system] get_char((0x55772f068e50), ' ')
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _453664)
   Exit: (213) [system] peek_char((0x55772f068e50), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _470598)
   Exit: (211) [system] peek_char((0x55772f068e50), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x55772f068e50), _476168)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _478026)
   Exit: (213) [system] peek_char((0x55772f068e50), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] get_char((0x55772f068e50), _494036)
   Exit: (212) [system] get_char((0x55772f068e50), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x55772f068e50), _476168)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _499606)
   Exit: (214) [system] peek_char((0x55772f068e50), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
   Call: (214) [system] 'A'=(/)
   Fail: (214) [system] 'A'=(/)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _515616)
   Exit: (213) [system] peek_char((0x55772f068e50), 'A')
   Call: (213) [system] 'A'=')'
   Fail: (213) [system] 'A'=')'
   Call: (213) [system] 'A'=end_of_file
   Fail: (213) [system] 'A'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _521186)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _523044)
   Exit: (215) [system] peek_char((0x55772f068e50), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
   Call: (215) [system] 'A'=(/)
   Fail: (215) [system] 'A'=(/)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _539054)
   Exit: (214) [system] get_char((0x55772f068e50), 'A')
   Call: (214) [system] 'A'='('
   Fail: (214) [system] 'A'='('
   Call: (214) [system] 'A'='['
   Fail: (214) [system] 'A'='['
   Call: (214) [system] 'A'='{'
   Fail: (214) [system] 'A'='{'
   Call: (214) [system] 'A'='"'
   Fail: (214) [system] 'A'='"'
   Call: (214) [system] 'A'=!
   Fail: (214) [system] 'A'=!
   Call: (214) [system] 'A'='\''
   Fail: (214) [system] 'A'='\''
   Call: (214) [system] 'A'='`'
   Fail: (214) [system] 'A'='`'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x55772f068e50), 'A', _521186)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _556696)
   Call: (216) [system] peek_char((0x55772f068e50), _557630)
   Exit: (216) [system] peek_char((0x55772f068e50), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_562350, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_563282, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x55772f068e50), n)
   Exit: (216) [system] get_char((0x55772f068e50), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _570632)
   Call: (217) [system] peek_char((0x55772f068e50), _571566)
   Exit: (217) [system] peek_char((0x55772f068e50), d)
^  Call: (217) [user] is_delimiter(d)
   Call: (218) [system] char_type(d, space)
   Fail: (218) [system] char_type(d, space)
   Call: (218) [system] arg(_576286, v('(', ')', end_of_file), d)
   Fail: (218) [system] arg(_577218, v('(', ')', end_of_file), d)
^  Fail: (217) [user] is_delimiter(d)
   Call: (217) [system] ')'==d
   Fail: (217) [system] ')'==d
   Call: (217) [system] get_char((0x55772f068e50), d)
   Exit: (217) [system] get_char((0x55772f068e50), d)
   Call: (217) [system] d=(\)
   Fail: (217) [system] d=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _584568)
   Call: (218) [system] peek_char((0x55772f068e50), _585502)
   Exit: (218) [system] peek_char((0x55772f068e50), 'L')
^  Call: (218) [user] is_delimiter('L')
   Call: (219) [system] char_type('L', space)
   Fail: (219) [system] char_type('L', space)
   Call: (219) [system] arg(_590222, v('(', ')', end_of_file), 'L')
   Fail: (219) [system] arg(_591154, v('(', ')', end_of_file), 'L')
^  Fail: (218) [user] is_delimiter('L')
   Call: (218) [system] ')'=='L'
   Fail: (218) [system] ')'=='L'
   Call: (218) [system] get_char((0x55772f068e50), 'L')
   Exit: (218) [system] get_char((0x55772f068e50), 'L')
   Call: (218) [system] 'L'=(\)
   Fail: (218) [system] 'L'=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _598504)
   Call: (219) [system] peek_char((0x55772f068e50), _599438)
   Exit: (219) [system] peek_char((0x55772f068e50), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_604158, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_605090, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x55772f068e50), i)
   Exit: (219) [system] get_char((0x55772f068e50), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _612440)
   Call: (220) [system] peek_char((0x55772f068e50), _613374)
   Exit: (220) [system] peek_char((0x55772f068e50), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_618094, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_619026, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x55772f068e50), n)
   Exit: (220) [system] get_char((0x55772f068e50), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _626376)
   Call: (221) [system] peek_char((0x55772f068e50), _627310)
   Exit: (221) [system] peek_char((0x55772f068e50), k)
^  Call: (221) [user] is_delimiter(k)
   Call: (222) [system] char_type(k, space)
   Fail: (222) [system] char_type(k, space)
   Call: (222) [system] arg(_632030, v('(', ')', end_of_file), k)
   Fail: (222) [system] arg(_632962, v('(', ')', end_of_file), k)
^  Fail: (221) [user] is_delimiter(k)
   Call: (221) [system] ')'==k
   Fail: (221) [system] ')'==k
   Call: (221) [system] get_char((0x55772f068e50), k)
   Exit: (221) [system] get_char((0x55772f068e50), k)
   Call: (221) [system] k=(\)
   Fail: (221) [system] k=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _640312)
   Call: (222) [system] peek_char((0x55772f068e50), _641246)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _640312=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (221) [system] _626376=[k]
   Exit: (221) [system] [k]=[k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (220) [system] _612440=[n, k]
   Exit: (220) [system] [n, k]=[n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (219) [system] _598504=[i, n, k]
   Exit: (219) [system] [i, n, k]=[i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (218) [system] _584568=['L', i, n, k]
   Exit: (218) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (217) [system] _570632=[d, 'L', i, n, k]
   Exit: (217) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (216) [system] _556696=[n, d, 'L', i, n, k]
   Exit: (216) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (215) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _521186)
^  Call: (216) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _667294)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_668246, _668248), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _667294), _668228, fail)), '$restore_trace'(_668246, _668248))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_668246, _668248))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _667294), _668228, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_667294)
   Fail: (217) [system] atomic(_667294)
   Call: (217) [system] atom_chars(_667294, ['A', n, d, 'L', i, n, k])
   Exit: (217) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (216) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (216) [system] integer('AndLink')
   Fail: (216) [system] integer('AndLink')
   Call: (216) [system] _521186='AndLink'
   Exit: (216) [system] 'AndLink'='AndLink'
^  Exit: (215) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (214) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (213) [user] read_list(')', (0x55772f068e50), _682244)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _684102)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x55772f068e50), _693696)
   Exit: (215) [system] get_char((0x55772f068e50), ' ')
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _696400)
   Exit: (216) [system] peek_char((0x55772f068e50), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
   Call: (216) [system] 'A'=(/)
   Fail: (216) [system] 'A'=(/)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _713334)
   Exit: (214) [system] peek_char((0x55772f068e50), 'A')
   Call: (214) [system] 'A'=')'
   Fail: (214) [system] 'A'=')'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _718904)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _720762)
   Exit: (216) [system] peek_char((0x55772f068e50), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
   Call: (216) [system] 'A'=(/)
   Fail: (216) [system] 'A'=(/)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _736772)
   Exit: (215) [system] get_char((0x55772f068e50), 'A')
   Call: (215) [system] 'A'='('
   Fail: (215) [system] 'A'='('
   Call: (215) [system] 'A'='['
   Fail: (215) [system] 'A'='['
   Call: (215) [system] 'A'='{'
   Fail: (215) [system] 'A'='{'
   Call: (215) [system] 'A'='"'
   Fail: (215) [system] 'A'='"'
   Call: (215) [system] 'A'=!
   Fail: (215) [system] 'A'=!
   Call: (215) [system] 'A'='\''
   Fail: (215) [system] 'A'='\''
   Call: (215) [system] 'A'='`'
   Fail: (215) [system] 'A'='`'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x55772f068e50), 'A', _718904)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _754414)
   Call: (217) [system] peek_char((0x55772f068e50), _755348)
   Exit: (217) [system] peek_char((0x55772f068e50), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _754414=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (216) [user] classify_and_convert_charseq(['A'], _718904)
^  Call: (217) [user] classify_and_convert_charseq_(['A'], _764632)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_765584, _765586), once(user:catch(read_from_chars(['A'], _764632), _765566, fail)), '$restore_trace'(_765584, _765586))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_765584, _765586))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _764632), _765566, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_764632)
   Fail: (218) [system] atomic(_764632)
   Call: (218) [system] atom_chars(_764632, ['A'])
   Exit: (218) [system] atom_chars('A', ['A'])
^  Exit: (217) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (217) [system] integer('A')
   Fail: (217) [system] integer('A')
   Call: (217) [system] _718904='A'
   Exit: (217) [system] 'A'='A'
^  Exit: (216) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (215) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (214) [user] read_list(')', (0x55772f068e50), _779582)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _781440)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x55772f068e50), _791034)
   Exit: (216) [system] get_char((0x55772f068e50), ' ')
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _793738)
   Exit: (217) [system] peek_char((0x55772f068e50), 'B')
   Call: (217) [system] 'B'=(;)
   Fail: (217) [system] 'B'=(;)
   Call: (217) [system] 'B'=(/)
   Fail: (217) [system] 'B'=(/)
^  Call: (217) [user] is_like_space('B')
   Call: (218) [system] char_type('B', 'white')
   Fail: (218) [system] char_type('B', 'white')
   Call: (218) [system] char_type('B', end_of_line)
   Fail: (218) [system] char_type('B', end_of_line)
   Call: (218) [system] char_type('B', space)
   Fail: (218) [system] char_type('B', space)
   Call: (218) [system] char_type('B', cntrl)
   Fail: (218) [system] char_type('B', cntrl)
^  Fail: (217) [user] is_like_space('B')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _810672)
   Exit: (215) [system] peek_char((0x55772f068e50), 'B')
   Call: (215) [system] 'B'=')'
   Fail: (215) [system] 'B'=')'
   Call: (215) [system] 'B'=end_of_file
   Fail: (215) [system] 'B'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x55772f068e50), _816242)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _818100)
   Exit: (217) [system] peek_char((0x55772f068e50), 'B')
   Call: (217) [system] 'B'=(;)
   Fail: (217) [system] 'B'=(;)
   Call: (217) [system] 'B'=(/)
   Fail: (217) [system] 'B'=(/)
^  Call: (217) [user] is_like_space('B')
   Call: (218) [system] char_type('B', 'white')
   Fail: (218) [system] char_type('B', 'white')
   Call: (218) [system] char_type('B', end_of_line)
   Fail: (218) [system] char_type('B', end_of_line)
   Call: (218) [system] char_type('B', space)
   Fail: (218) [system] char_type('B', space)
   Call: (218) [system] char_type('B', cntrl)
   Fail: (218) [system] char_type('B', cntrl)
^  Fail: (217) [user] is_like_space('B')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] get_char((0x55772f068e50), _834110)
   Exit: (216) [system] get_char((0x55772f068e50), 'B')
   Call: (216) [system] 'B'='('
   Fail: (216) [system] 'B'='('
   Call: (216) [system] 'B'='['
   Fail: (216) [system] 'B'='['
   Call: (216) [system] 'B'='{'
   Fail: (216) [system] 'B'='{'
   Call: (216) [system] 'B'='"'
   Fail: (216) [system] 'B'='"'
   Call: (216) [system] 'B'=!
   Fail: (216) [system] 'B'=!
   Call: (216) [system] 'B'='\''
   Fail: (216) [system] 'B'='\''
   Call: (216) [system] 'B'='`'
   Fail: (216) [system] 'B'='`'
   Call: (216) [system] 'B'=end_of_file
   Fail: (216) [system] 'B'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x55772f068e50), 'B', _816242)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _851752)
   Call: (218) [system] peek_char((0x55772f068e50), _852686)
   Exit: (218) [system] peek_char((0x55772f068e50), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_857406, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _851752=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (217) [user] classify_and_convert_charseq(['B'], _816242)
^  Call: (218) [user] classify_and_convert_charseq_(['B'], _863842)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_864794, _864796), once(user:catch(read_from_chars(['B'], _863842), _864776, fail)), '$restore_trace'(_864794, _864796))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_864794, _864796))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _863842), _864776, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_863842)
   Fail: (219) [system] atomic(_863842)
   Call: (219) [system] atom_chars(_863842, ['B'])
   Exit: (219) [system] atom_chars('B', ['B'])
^  Exit: (218) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (218) [system] integer('B')
   Fail: (218) [system] integer('B')
   Call: (218) [system] _816242='B'
   Exit: (218) [system] 'B'='B'
^  Exit: (217) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (216) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (215) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (215) [user] read_list(')', (0x55772f068e50), _878792)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _880650)
   Exit: (217) [system] peek_char((0x55772f068e50), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
   Call: (217) [system] ')'=(/)
   Fail: (217) [system] ')'=(/)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _896660)
   Exit: (216) [system] peek_char((0x55772f068e50), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x55772f068e50), _900450)
   Exit: (216) [system] get_char((0x55772f068e50), ')')
   Call: (216) [system] _878792=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x55772f068e50), [])
   Call: (215) [system] _779582=['B']
   Exit: (215) [system] ['B']=['B']
^  Exit: (214) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (214) [system] _682244=['A', 'B']
   Exit: (214) [system] ['A', 'B']=['A', 'B']
^  Exit: (213) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (213) [system] _476168=['AndLink', 'A', 'B']
   Exit: (213) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (212) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (211) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (211) [user] read_list(')', (0x55772f068e50), _914332)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _916190)
   Exit: (213) [system] peek_char((0x55772f068e50), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x55772f068e50), _925784)
   Exit: (213) [system] get_char((0x55772f068e50), ' ')
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _928488)
   Exit: (214) [system] peek_char((0x55772f068e50), 'C')
   Call: (214) [system] 'C'=(;)
   Fail: (214) [system] 'C'=(;)
   Call: (214) [system] 'C'=(/)
   Fail: (214) [system] 'C'=(/)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Fail: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Fail: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Fail: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
   Fail: (215) [system] char_type('C', cntrl)
^  Fail: (214) [user] is_like_space('C')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _945422)
   Exit: (212) [system] peek_char((0x55772f068e50), 'C')
   Call: (212) [system] 'C'=')'
   Fail: (212) [system] 'C'=')'
   Call: (212) [system] 'C'=end_of_file
   Fail: (212) [system] 'C'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x55772f068e50), _950992)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _952850)
   Exit: (214) [system] peek_char((0x55772f068e50), 'C')
   Call: (214) [system] 'C'=(;)
   Fail: (214) [system] 'C'=(;)
   Call: (214) [system] 'C'=(/)
   Fail: (214) [system] 'C'=(/)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Fail: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Fail: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Fail: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
   Fail: (215) [system] char_type('C', cntrl)
^  Fail: (214) [user] is_like_space('C')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] get_char((0x55772f068e50), _968860)
   Exit: (213) [system] get_char((0x55772f068e50), 'C')
   Call: (213) [system] 'C'='('
   Fail: (213) [system] 'C'='('
   Call: (213) [system] 'C'='['
   Fail: (213) [system] 'C'='['
   Call: (213) [system] 'C'='{'
   Fail: (213) [system] 'C'='{'
   Call: (213) [system] 'C'='"'
   Fail: (213) [system] 'C'='"'
   Call: (213) [system] 'C'=!
   Fail: (213) [system] 'C'=!
   Call: (213) [system] 'C'='\''
   Fail: (213) [system] 'C'='\''
   Call: (213) [system] 'C'='`'
   Fail: (213) [system] 'C'='`'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x55772f068e50), 'C', _950992)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _986502)
   Call: (215) [system] peek_char((0x55772f068e50), _987436)
   Exit: (215) [system] peek_char((0x55772f068e50), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_992156, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _986502=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (214) [user] classify_and_convert_charseq(['C'], _950992)
^  Call: (215) [user] classify_and_convert_charseq_(['C'], _998592)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_999544, _999546), once(user:catch(read_from_chars(['C'], _998592), _999526, fail)), '$restore_trace'(_999544, _999546))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_999544, _999546))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _998592), _999526, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_998592)
   Fail: (216) [system] atomic(_998592)
   Call: (216) [system] atom_chars(_998592, ['C'])
   Exit: (216) [system] atom_chars('C', ['C'])
^  Exit: (215) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (215) [system] integer('C')
   Fail: (215) [system] integer('C')
   Call: (215) [system] _950992='C'
   Exit: (215) [system] 'C'='C'
^  Exit: (214) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (213) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (212) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (212) [user] read_list(')', (0x55772f068e50), _1013542)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1015400)
   Exit: (214) [system] peek_char((0x55772f068e50), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
   Call: (214) [system] ')'=(/)
   Fail: (214) [system] ')'=(/)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1031410)
   Exit: (213) [system] peek_char((0x55772f068e50), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x55772f068e50), _1035200)
   Exit: (213) [system] get_char((0x55772f068e50), ')')
   Call: (213) [system] _1013542=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x55772f068e50), [])
   Call: (212) [system] _914332=['C']
   Exit: (212) [system] ['C']=['C']
^  Exit: (211) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (211) [system] _439508=[['AndLink', 'A', 'B'], 'C']
   Exit: (211) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (210) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (210) [system] _166512=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (210) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (209) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (208) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (208) [user] read_list(')', (0x55772f068e50), _1049082)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1050940)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x55772f068e50), _1060534)
   Exit: (210) [system] get_char((0x55772f068e50), ' ')
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1063238)
   Exit: (211) [system] peek_char((0x55772f068e50), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1080172)
   Exit: (209) [system] peek_char((0x55772f068e50), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x55772f068e50), _1085742)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1087600)
   Exit: (211) [system] peek_char((0x55772f068e50), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] get_char((0x55772f068e50), _1103610)
   Exit: (210) [system] get_char((0x55772f068e50), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x55772f068e50), _1085742)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1109180)
   Exit: (212) [system] peek_char((0x55772f068e50), 'I')
   Call: (212) [system] 'I'=(;)
   Fail: (212) [system] 'I'=(;)
   Call: (212) [system] 'I'=(/)
   Fail: (212) [system] 'I'=(/)
^  Call: (212) [user] is_like_space('I')
   Call: (213) [system] char_type('I', 'white')
   Fail: (213) [system] char_type('I', 'white')
   Call: (213) [system] char_type('I', end_of_line)
   Fail: (213) [system] char_type('I', end_of_line)
   Call: (213) [system] char_type('I', space)
   Fail: (213) [system] char_type('I', space)
   Call: (213) [system] char_type('I', cntrl)
   Fail: (213) [system] char_type('I', cntrl)
^  Fail: (212) [user] is_like_space('I')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1125190)
   Exit: (211) [system] peek_char((0x55772f068e50), 'I')
   Call: (211) [system] 'I'=')'
   Fail: (211) [system] 'I'=')'
   Call: (211) [system] 'I'=end_of_file
   Fail: (211) [system] 'I'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x55772f068e50), _1130760)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1132618)
   Exit: (213) [system] peek_char((0x55772f068e50), 'I')
   Call: (213) [system] 'I'=(;)
   Fail: (213) [system] 'I'=(;)
   Call: (213) [system] 'I'=(/)
   Fail: (213) [system] 'I'=(/)
^  Call: (213) [user] is_like_space('I')
   Call: (214) [system] char_type('I', 'white')
   Fail: (214) [system] char_type('I', 'white')
   Call: (214) [system] char_type('I', end_of_line)
   Fail: (214) [system] char_type('I', end_of_line)
   Call: (214) [system] char_type('I', space)
   Fail: (214) [system] char_type('I', space)
   Call: (214) [system] char_type('I', cntrl)
   Fail: (214) [system] char_type('I', cntrl)
^  Fail: (213) [user] is_like_space('I')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] get_char((0x55772f068e50), _1148628)
   Exit: (212) [system] get_char((0x55772f068e50), 'I')
   Call: (212) [system] 'I'='('
   Fail: (212) [system] 'I'='('
   Call: (212) [system] 'I'='['
   Fail: (212) [system] 'I'='['
   Call: (212) [system] 'I'='{'
   Fail: (212) [system] 'I'='{'
   Call: (212) [system] 'I'='"'
   Fail: (212) [system] 'I'='"'
   Call: (212) [system] 'I'=!
   Fail: (212) [system] 'I'=!
   Call: (212) [system] 'I'='\''
   Fail: (212) [system] 'I'='\''
   Call: (212) [system] 'I'='`'
   Fail: (212) [system] 'I'='`'
   Call: (212) [system] 'I'=end_of_file
   Fail: (212) [system] 'I'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x55772f068e50), 'I', _1130760)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1166270)
   Call: (214) [system] peek_char((0x55772f068e50), _1167204)
   Exit: (214) [system] peek_char((0x55772f068e50), m)
^  Call: (214) [user] is_delimiter(m)
   Call: (215) [system] char_type(m, space)
   Fail: (215) [system] char_type(m, space)
   Call: (215) [system] arg(_1171924, v('(', ')', end_of_file), m)
   Fail: (215) [system] arg(_1172856, v('(', ')', end_of_file), m)
^  Fail: (214) [user] is_delimiter(m)
   Call: (214) [system] ')'==m
   Fail: (214) [system] ')'==m
   Call: (214) [system] get_char((0x55772f068e50), m)
   Exit: (214) [system] get_char((0x55772f068e50), m)
   Call: (214) [system] m=(\)
   Fail: (214) [system] m=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1180206)
   Call: (215) [system] peek_char((0x55772f068e50), _1181140)
   Exit: (215) [system] peek_char((0x55772f068e50), p)
^  Call: (215) [user] is_delimiter(p)
   Call: (216) [system] char_type(p, space)
   Fail: (216) [system] char_type(p, space)
   Call: (216) [system] arg(_1185860, v('(', ')', end_of_file), p)
   Fail: (216) [system] arg(_1186792, v('(', ')', end_of_file), p)
^  Fail: (215) [user] is_delimiter(p)
   Call: (215) [system] ')'==p
   Fail: (215) [system] ')'==p
   Call: (215) [system] get_char((0x55772f068e50), p)
   Exit: (215) [system] get_char((0x55772f068e50), p)
   Call: (215) [system] p=(\)
   Fail: (215) [system] p=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1194142)
   Call: (216) [system] peek_char((0x55772f068e50), _1195076)
   Exit: (216) [system] peek_char((0x55772f068e50), l)
^  Call: (216) [user] is_delimiter(l)
   Call: (217) [system] char_type(l, space)
   Fail: (217) [system] char_type(l, space)
   Call: (217) [system] arg(_1199796, v('(', ')', end_of_file), l)
   Fail: (217) [system] arg(_1200728, v('(', ')', end_of_file), l)
^  Fail: (216) [user] is_delimiter(l)
   Call: (216) [system] ')'==l
   Fail: (216) [system] ')'==l
   Call: (216) [system] get_char((0x55772f068e50), l)
   Exit: (216) [system] get_char((0x55772f068e50), l)
   Call: (216) [system] l=(\)
   Fail: (216) [system] l=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1208078)
   Call: (217) [system] peek_char((0x55772f068e50), _1209012)
   Exit: (217) [system] peek_char((0x55772f068e50), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1213732, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1214664, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x55772f068e50), i)
   Exit: (217) [system] get_char((0x55772f068e50), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1222014)
   Call: (218) [system] peek_char((0x55772f068e50), _1222948)
   Exit: (218) [system] peek_char((0x55772f068e50), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_1227668, v('(', ')', end_of_file), c)
   Fail: (219) [system] arg(_1228600, v('(', ')', end_of_file), c)
^  Fail: (218) [user] is_delimiter(c)
   Call: (218) [system] ')'==c
   Fail: (218) [system] ')'==c
   Call: (218) [system] get_char((0x55772f068e50), c)
   Exit: (218) [system] get_char((0x55772f068e50), c)
   Call: (218) [system] c=(\)
   Fail: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1235950)
   Call: (219) [system] peek_char((0x55772f068e50), _1236884)
   Exit: (219) [system] peek_char((0x55772f068e50), a)
^  Call: (219) [user] is_delimiter(a)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] arg(_1241604, v('(', ')', end_of_file), a)
   Fail: (220) [system] arg(_1242536, v('(', ')', end_of_file), a)
^  Fail: (219) [user] is_delimiter(a)
   Call: (219) [system] ')'==a
   Fail: (219) [system] ')'==a
   Call: (219) [system] get_char((0x55772f068e50), a)
   Exit: (219) [system] get_char((0x55772f068e50), a)
   Call: (219) [system] a=(\)
   Fail: (219) [system] a=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1249886)
   Call: (220) [system] peek_char((0x55772f068e50), _1250820)
   Exit: (220) [system] peek_char((0x55772f068e50), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_1255540, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_1256472, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x55772f068e50), t)
   Exit: (220) [system] get_char((0x55772f068e50), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1263822)
   Call: (221) [system] peek_char((0x55772f068e50), _1264756)
   Exit: (221) [system] peek_char((0x55772f068e50), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1269476, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1270408, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x55772f068e50), i)
   Exit: (221) [system] get_char((0x55772f068e50), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1277758)
   Call: (222) [system] peek_char((0x55772f068e50), _1278692)
   Exit: (222) [system] peek_char((0x55772f068e50), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_1283412, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_1284344, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x55772f068e50), o)
   Exit: (222) [system] get_char((0x55772f068e50), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1291694)
   Call: (223) [system] peek_char((0x55772f068e50), _1292628)
   Exit: (223) [system] peek_char((0x55772f068e50), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1297348, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_1298280, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x55772f068e50), n)
   Exit: (223) [system] get_char((0x55772f068e50), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1305630)
   Call: (224) [system] peek_char((0x55772f068e50), _1306564)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1305630=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (223) [system] _1291694=[n]
   Exit: (223) [system] [n]=[n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (222) [system] _1277758=[o, n]
   Exit: (222) [system] [o, n]=[o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (221) [system] _1263822=[i, o, n]
   Exit: (221) [system] [i, o, n]=[i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (220) [system] _1249886=[t, i, o, n]
   Exit: (220) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (219) [system] _1235950=[a, t, i, o, n]
   Exit: (219) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (218) [system] _1222014=[c, a, t, i, o, n]
   Exit: (218) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (217) [system] _1208078=[i, c, a, t, i, o, n]
   Exit: (217) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (216) [system] _1194142=[l, i, c, a, t, i, o, n]
   Exit: (216) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (215) [system] _1180206=[p, l, i, c, a, t, i, o, n]
   Exit: (215) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (214) [system] _1166270=[m, p, l, i, c, a, t, i, o, n]
   Exit: (214) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (213) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1130760)
^  Call: (214) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1343788)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1344740, _1344742), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1343788), _1344722, fail)), '$restore_trace'(_1344740, _1344742))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1344740, _1344742))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1343788), _1344722, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1343788)
   Fail: (215) [system] atomic(_1343788)
   Call: (215) [system] atom_chars(_1343788, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (215) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (214) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (214) [system] integer('Implication')
   Fail: (214) [system] integer('Implication')
   Call: (214) [system] _1130760='Implication'
   Exit: (214) [system] 'Implication'='Implication'
^  Exit: (213) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (212) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (211) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (211) [user] read_list(')', (0x55772f068e50), _1358738)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1360596)
   Exit: (213) [system] peek_char((0x55772f068e50), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x55772f068e50), _1370190)
   Exit: (213) [system] get_char((0x55772f068e50), ' ')
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1372894)
   Exit: (214) [system] peek_char((0x55772f068e50), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1389828)
   Exit: (212) [system] peek_char((0x55772f068e50), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x55772f068e50), _1395398)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1397256)
   Exit: (214) [system] peek_char((0x55772f068e50), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] get_char((0x55772f068e50), _1413266)
   Exit: (213) [system] get_char((0x55772f068e50), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x55772f068e50), _1395398)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1418836)
   Exit: (215) [system] peek_char((0x55772f068e50), 'O')
   Call: (215) [system] 'O'=(;)
   Fail: (215) [system] 'O'=(;)
   Call: (215) [system] 'O'=(/)
   Fail: (215) [system] 'O'=(/)
^  Call: (215) [user] is_like_space('O')
   Call: (216) [system] char_type('O', 'white')
   Fail: (216) [system] char_type('O', 'white')
   Call: (216) [system] char_type('O', end_of_line)
   Fail: (216) [system] char_type('O', end_of_line)
   Call: (216) [system] char_type('O', space)
   Fail: (216) [system] char_type('O', space)
   Call: (216) [system] char_type('O', cntrl)
   Fail: (216) [system] char_type('O', cntrl)
^  Fail: (215) [user] is_like_space('O')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1434846)
   Exit: (214) [system] peek_char((0x55772f068e50), 'O')
   Call: (214) [system] 'O'=')'
   Fail: (214) [system] 'O'=')'
   Call: (214) [system] 'O'=end_of_file
   Fail: (214) [system] 'O'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _1440416)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1442274)
   Exit: (216) [system] peek_char((0x55772f068e50), 'O')
   Call: (216) [system] 'O'=(;)
   Fail: (216) [system] 'O'=(;)
   Call: (216) [system] 'O'=(/)
   Fail: (216) [system] 'O'=(/)
^  Call: (216) [user] is_like_space('O')
   Call: (217) [system] char_type('O', 'white')
   Fail: (217) [system] char_type('O', 'white')
   Call: (217) [system] char_type('O', end_of_line)
   Fail: (217) [system] char_type('O', end_of_line)
   Call: (217) [system] char_type('O', space)
   Fail: (217) [system] char_type('O', space)
   Call: (217) [system] char_type('O', cntrl)
   Fail: (217) [system] char_type('O', cntrl)
^  Fail: (216) [user] is_like_space('O')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _1458284)
   Exit: (215) [system] get_char((0x55772f068e50), 'O')
   Call: (215) [system] 'O'='('
   Fail: (215) [system] 'O'='('
   Call: (215) [system] 'O'='['
   Fail: (215) [system] 'O'='['
   Call: (215) [system] 'O'='{'
   Fail: (215) [system] 'O'='{'
   Call: (215) [system] 'O'='"'
   Fail: (215) [system] 'O'='"'
   Call: (215) [system] 'O'=!
   Fail: (215) [system] 'O'=!
   Call: (215) [system] 'O'='\''
   Fail: (215) [system] 'O'='\''
   Call: (215) [system] 'O'='`'
   Fail: (215) [system] 'O'='`'
   Call: (215) [system] 'O'=end_of_file
   Fail: (215) [system] 'O'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x55772f068e50), 'O', _1440416)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1475926)
   Call: (217) [system] peek_char((0x55772f068e50), _1476860)
   Exit: (217) [system] peek_char((0x55772f068e50), r)
^  Call: (217) [user] is_delimiter(r)
   Call: (218) [system] char_type(r, space)
   Fail: (218) [system] char_type(r, space)
   Call: (218) [system] arg(_1481580, v('(', ')', end_of_file), r)
   Fail: (218) [system] arg(_1482512, v('(', ')', end_of_file), r)
^  Fail: (217) [user] is_delimiter(r)
   Call: (217) [system] ')'==r
   Fail: (217) [system] ')'==r
   Call: (217) [system] get_char((0x55772f068e50), r)
   Exit: (217) [system] get_char((0x55772f068e50), r)
   Call: (217) [system] r=(\)
   Fail: (217) [system] r=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1489862)
   Call: (218) [system] peek_char((0x55772f068e50), _1490796)
   Exit: (218) [system] peek_char((0x55772f068e50), 'L')
^  Call: (218) [user] is_delimiter('L')
   Call: (219) [system] char_type('L', space)
   Fail: (219) [system] char_type('L', space)
   Call: (219) [system] arg(_1495516, v('(', ')', end_of_file), 'L')
   Fail: (219) [system] arg(_1496448, v('(', ')', end_of_file), 'L')
^  Fail: (218) [user] is_delimiter('L')
   Call: (218) [system] ')'=='L'
   Fail: (218) [system] ')'=='L'
   Call: (218) [system] get_char((0x55772f068e50), 'L')
   Exit: (218) [system] get_char((0x55772f068e50), 'L')
   Call: (218) [system] 'L'=(\)
   Fail: (218) [system] 'L'=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1503798)
   Call: (219) [system] peek_char((0x55772f068e50), _1504732)
   Exit: (219) [system] peek_char((0x55772f068e50), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_1509452, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_1510384, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x55772f068e50), i)
   Exit: (219) [system] get_char((0x55772f068e50), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1517734)
   Call: (220) [system] peek_char((0x55772f068e50), _1518668)
   Exit: (220) [system] peek_char((0x55772f068e50), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1523388, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1524320, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x55772f068e50), n)
   Exit: (220) [system] get_char((0x55772f068e50), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1531670)
   Call: (221) [system] peek_char((0x55772f068e50), _1532604)
   Exit: (221) [system] peek_char((0x55772f068e50), k)
^  Call: (221) [user] is_delimiter(k)
   Call: (222) [system] char_type(k, space)
   Fail: (222) [system] char_type(k, space)
   Call: (222) [system] arg(_1537324, v('(', ')', end_of_file), k)
   Fail: (222) [system] arg(_1538256, v('(', ')', end_of_file), k)
^  Fail: (221) [user] is_delimiter(k)
   Call: (221) [system] ')'==k
   Fail: (221) [system] ')'==k
   Call: (221) [system] get_char((0x55772f068e50), k)
   Exit: (221) [system] get_char((0x55772f068e50), k)
   Call: (221) [system] k=(\)
   Fail: (221) [system] k=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1545606)
   Call: (222) [system] peek_char((0x55772f068e50), _1546540)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _1545606=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (221) [system] _1531670=[k]
   Exit: (221) [system] [k]=[k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (220) [system] _1517734=[n, k]
   Exit: (220) [system] [n, k]=[n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (219) [system] _1503798=[i, n, k]
   Exit: (219) [system] [i, n, k]=[i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (218) [system] _1489862=['L', i, n, k]
   Exit: (218) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (217) [system] _1475926=[r, 'L', i, n, k]
   Exit: (217) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (216) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1440416)
^  Call: (217) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1569794)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1570746, _1570748), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1569794), _1570728, fail)), '$restore_trace'(_1570746, _1570748))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1570746, _1570748))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1569794), _1570728, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1569794)
   Fail: (218) [system] atomic(_1569794)
   Call: (218) [system] atom_chars(_1569794, ['O', r, 'L', i, n, k])
   Exit: (218) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (217) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (217) [system] integer('OrLink')
   Fail: (217) [system] integer('OrLink')
   Call: (217) [system] _1440416='OrLink'
   Exit: (217) [system] 'OrLink'='OrLink'
^  Exit: (216) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (215) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (214) [user] read_list(')', (0x55772f068e50), _1584744)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1586602)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x55772f068e50), _1596196)
   Exit: (216) [system] get_char((0x55772f068e50), ' ')
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1598900)
   Exit: (217) [system] peek_char((0x55772f068e50), 'C')
   Call: (217) [system] 'C'=(;)
   Fail: (217) [system] 'C'=(;)
   Call: (217) [system] 'C'=(/)
   Fail: (217) [system] 'C'=(/)
^  Call: (217) [user] is_like_space('C')
   Call: (218) [system] char_type('C', 'white')
   Fail: (218) [system] char_type('C', 'white')
   Call: (218) [system] char_type('C', end_of_line)
   Fail: (218) [system] char_type('C', end_of_line)
   Call: (218) [system] char_type('C', space)
   Fail: (218) [system] char_type('C', space)
   Call: (218) [system] char_type('C', cntrl)
   Fail: (218) [system] char_type('C', cntrl)
^  Fail: (217) [user] is_like_space('C')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1615834)
   Exit: (215) [system] peek_char((0x55772f068e50), 'C')
   Call: (215) [system] 'C'=')'
   Fail: (215) [system] 'C'=')'
   Call: (215) [system] 'C'=end_of_file
   Fail: (215) [system] 'C'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x55772f068e50), _1621404)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1623262)
   Exit: (217) [system] peek_char((0x55772f068e50), 'C')
   Call: (217) [system] 'C'=(;)
   Fail: (217) [system] 'C'=(;)
   Call: (217) [system] 'C'=(/)
   Fail: (217) [system] 'C'=(/)
^  Call: (217) [user] is_like_space('C')
   Call: (218) [system] char_type('C', 'white')
   Fail: (218) [system] char_type('C', 'white')
   Call: (218) [system] char_type('C', end_of_line)
   Fail: (218) [system] char_type('C', end_of_line)
   Call: (218) [system] char_type('C', space)
   Fail: (218) [system] char_type('C', space)
   Call: (218) [system] char_type('C', cntrl)
   Fail: (218) [system] char_type('C', cntrl)
^  Fail: (217) [user] is_like_space('C')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] get_char((0x55772f068e50), _1639272)
   Exit: (216) [system] get_char((0x55772f068e50), 'C')
   Call: (216) [system] 'C'='('
   Fail: (216) [system] 'C'='('
   Call: (216) [system] 'C'='['
   Fail: (216) [system] 'C'='['
   Call: (216) [system] 'C'='{'
   Fail: (216) [system] 'C'='{'
   Call: (216) [system] 'C'='"'
   Fail: (216) [system] 'C'='"'
   Call: (216) [system] 'C'=!
   Fail: (216) [system] 'C'=!
   Call: (216) [system] 'C'='\''
   Fail: (216) [system] 'C'='\''
   Call: (216) [system] 'C'='`'
   Fail: (216) [system] 'C'='`'
   Call: (216) [system] 'C'=end_of_file
   Fail: (216) [system] 'C'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x55772f068e50), 'C', _1621404)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1656914)
   Call: (218) [system] peek_char((0x55772f068e50), _1657848)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _1656914=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (217) [user] classify_and_convert_charseq(['C'], _1621404)
^  Call: (218) [user] classify_and_convert_charseq_(['C'], _1667132)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1668084, _1668086), once(user:catch(read_from_chars(['C'], _1667132), _1668066, fail)), '$restore_trace'(_1668084, _1668086))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1668084, _1668086))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1667132), _1668066, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1667132)
   Fail: (219) [system] atomic(_1667132)
   Call: (219) [system] atom_chars(_1667132, ['C'])
   Exit: (219) [system] atom_chars('C', ['C'])
^  Exit: (218) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (218) [system] integer('C')
   Fail: (218) [system] integer('C')
   Call: (218) [system] _1621404='C'
   Exit: (218) [system] 'C'='C'
^  Exit: (217) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (216) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (215) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (215) [user] read_list(')', (0x55772f068e50), _1682082)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1683940)
   Exit: (217) [system] peek_char((0x55772f068e50), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x55772f068e50), _1693534)
   Exit: (217) [system] get_char((0x55772f068e50), ' ')
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1696238)
   Exit: (218) [system] peek_char((0x55772f068e50), 'D')
   Call: (218) [system] 'D'=(;)
   Fail: (218) [system] 'D'=(;)
   Call: (218) [system] 'D'=(/)
   Fail: (218) [system] 'D'=(/)
^  Call: (218) [user] is_like_space('D')
   Call: (219) [system] char_type('D', 'white')
   Fail: (219) [system] char_type('D', 'white')
   Call: (219) [system] char_type('D', end_of_line)
   Fail: (219) [system] char_type('D', end_of_line)
   Call: (219) [system] char_type('D', space)
   Fail: (219) [system] char_type('D', space)
   Call: (219) [system] char_type('D', cntrl)
   Fail: (219) [system] char_type('D', cntrl)
^  Fail: (218) [user] is_like_space('D')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1713172)
   Exit: (216) [system] peek_char((0x55772f068e50), 'D')
   Call: (216) [system] 'D'=')'
   Fail: (216) [system] 'D'=')'
   Call: (216) [system] 'D'=end_of_file
   Fail: (216) [system] 'D'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x55772f068e50), _1718742)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1720600)
   Exit: (218) [system] peek_char((0x55772f068e50), 'D')
   Call: (218) [system] 'D'=(;)
   Fail: (218) [system] 'D'=(;)
   Call: (218) [system] 'D'=(/)
   Fail: (218) [system] 'D'=(/)
^  Call: (218) [user] is_like_space('D')
   Call: (219) [system] char_type('D', 'white')
   Fail: (219) [system] char_type('D', 'white')
   Call: (219) [system] char_type('D', end_of_line)
   Fail: (219) [system] char_type('D', end_of_line)
   Call: (219) [system] char_type('D', space)
   Fail: (219) [system] char_type('D', space)
   Call: (219) [system] char_type('D', cntrl)
   Fail: (219) [system] char_type('D', cntrl)
^  Fail: (218) [user] is_like_space('D')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] get_char((0x55772f068e50), _1736610)
   Exit: (217) [system] get_char((0x55772f068e50), 'D')
   Call: (217) [system] 'D'='('
   Fail: (217) [system] 'D'='('
   Call: (217) [system] 'D'='['
   Fail: (217) [system] 'D'='['
   Call: (217) [system] 'D'='{'
   Fail: (217) [system] 'D'='{'
   Call: (217) [system] 'D'='"'
   Fail: (217) [system] 'D'='"'
   Call: (217) [system] 'D'=!
   Fail: (217) [system] 'D'=!
   Call: (217) [system] 'D'='\''
   Fail: (217) [system] 'D'='\''
   Call: (217) [system] 'D'='`'
   Fail: (217) [system] 'D'='`'
   Call: (217) [system] 'D'=end_of_file
   Fail: (217) [system] 'D'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x55772f068e50), 'D', _1718742)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1754252)
   Call: (219) [system] peek_char((0x55772f068e50), _1755186)
   Exit: (219) [system] peek_char((0x55772f068e50), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_1759906, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _1754252=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (218) [user] classify_and_convert_charseq(['D'], _1718742)
^  Call: (219) [user] classify_and_convert_charseq_(['D'], _1766342)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1767294, _1767296), once(user:catch(read_from_chars(['D'], _1766342), _1767276, fail)), '$restore_trace'(_1767294, _1767296))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1767294, _1767296))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1766342), _1767276, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1766342)
   Fail: (220) [system] atomic(_1766342)
   Call: (220) [system] atom_chars(_1766342, ['D'])
   Exit: (220) [system] atom_chars('D', ['D'])
^  Exit: (219) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (219) [system] integer('D')
   Fail: (219) [system] integer('D')
   Call: (219) [system] _1718742='D'
   Exit: (219) [system] 'D'='D'
^  Exit: (218) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (217) [user] read_symbolic(')', (0x55772f068e50), 'D', 'D')
^  Exit: (216) [user] cont_sexpr(')', (0x55772f068e50), 'D')
^  Call: (216) [user] read_list(')', (0x55772f068e50), _1781292)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1783150)
   Exit: (218) [system] peek_char((0x55772f068e50), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
   Call: (218) [system] ')'=(/)
   Fail: (218) [system] ')'=(/)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1799160)
   Exit: (217) [system] peek_char((0x55772f068e50), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x55772f068e50), _1802950)
   Exit: (217) [system] get_char((0x55772f068e50), ')')
   Call: (217) [system] _1781292=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x55772f068e50), [])
   Call: (216) [system] _1682082=['D']
   Exit: (216) [system] ['D']=['D']
^  Exit: (215) [user] read_list(')', (0x55772f068e50), ['D'])
   Call: (215) [system] _1584744=['C', 'D']
   Exit: (215) [system] ['C', 'D']=['C', 'D']
^  Exit: (214) [user] read_list(')', (0x55772f068e50), ['C', 'D'])
   Call: (214) [system] _1395398=['OrLink', 'C', 'D']
   Exit: (214) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (213) [user] read_list(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Exit: (212) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Call: (212) [user] read_list(')', (0x55772f068e50), _1816832)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1818690)
   Exit: (214) [system] peek_char((0x55772f068e50), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x55772f068e50), _1828284)
   Exit: (214) [system] get_char((0x55772f068e50), ' ')
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1830988)
   Exit: (215) [system] peek_char((0x55772f068e50), 'E')
   Call: (215) [system] 'E'=(;)
   Fail: (215) [system] 'E'=(;)
   Call: (215) [system] 'E'=(/)
   Fail: (215) [system] 'E'=(/)
^  Call: (215) [user] is_like_space('E')
   Call: (216) [system] char_type('E', 'white')
   Fail: (216) [system] char_type('E', 'white')
   Call: (216) [system] char_type('E', end_of_line)
   Fail: (216) [system] char_type('E', end_of_line)
   Call: (216) [system] char_type('E', space)
   Fail: (216) [system] char_type('E', space)
   Call: (216) [system] char_type('E', cntrl)
   Fail: (216) [system] char_type('E', cntrl)
^  Fail: (215) [user] is_like_space('E')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1847922)
   Exit: (213) [system] peek_char((0x55772f068e50), 'E')
   Call: (213) [system] 'E'=')'
   Fail: (213) [system] 'E'=')'
   Call: (213) [system] 'E'=end_of_file
   Fail: (213) [system] 'E'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _1853492)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1855350)
   Exit: (215) [system] peek_char((0x55772f068e50), 'E')
   Call: (215) [system] 'E'=(;)
   Fail: (215) [system] 'E'=(;)
   Call: (215) [system] 'E'=(/)
   Fail: (215) [system] 'E'=(/)
^  Call: (215) [user] is_like_space('E')
   Call: (216) [system] char_type('E', 'white')
   Fail: (216) [system] char_type('E', 'white')
   Call: (216) [system] char_type('E', end_of_line)
   Fail: (216) [system] char_type('E', end_of_line)
   Call: (216) [system] char_type('E', space)
   Fail: (216) [system] char_type('E', space)
   Call: (216) [system] char_type('E', cntrl)
   Fail: (216) [system] char_type('E', cntrl)
^  Fail: (215) [user] is_like_space('E')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _1871360)
   Exit: (214) [system] get_char((0x55772f068e50), 'E')
   Call: (214) [system] 'E'='('
   Fail: (214) [system] 'E'='('
   Call: (214) [system] 'E'='['
   Fail: (214) [system] 'E'='['
   Call: (214) [system] 'E'='{'
   Fail: (214) [system] 'E'='{'
   Call: (214) [system] 'E'='"'
   Fail: (214) [system] 'E'='"'
   Call: (214) [system] 'E'=!
   Fail: (214) [system] 'E'=!
   Call: (214) [system] 'E'='\''
   Fail: (214) [system] 'E'='\''
   Call: (214) [system] 'E'='`'
   Fail: (214) [system] 'E'='`'
   Call: (214) [system] 'E'=end_of_file
   Fail: (214) [system] 'E'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x55772f068e50), 'E', _1853492)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1889002)
   Call: (216) [system] peek_char((0x55772f068e50), _1889936)
   Exit: (216) [system] peek_char((0x55772f068e50), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_1894656, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _1889002=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (215) [user] classify_and_convert_charseq(['E'], _1853492)
^  Call: (216) [user] classify_and_convert_charseq_(['E'], _1901092)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1902044, _1902046), once(user:catch(read_from_chars(['E'], _1901092), _1902026, fail)), '$restore_trace'(_1902044, _1902046))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1902044, _1902046))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1901092), _1902026, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1901092)
   Fail: (217) [system] atomic(_1901092)
   Call: (217) [system] atom_chars(_1901092, ['E'])
   Exit: (217) [system] atom_chars('E', ['E'])
^  Exit: (216) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (216) [system] integer('E')
   Fail: (216) [system] integer('E')
   Call: (216) [system] _1853492='E'
   Exit: (216) [system] 'E'='E'
^  Exit: (215) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (214) [user] read_symbolic(')', (0x55772f068e50), 'E', 'E')
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), 'E')
^  Call: (213) [user] read_list(')', (0x55772f068e50), _1916042)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1917900)
   Exit: (215) [system] peek_char((0x55772f068e50), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1933910)
   Exit: (214) [system] peek_char((0x55772f068e50), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x55772f068e50), _1937700)
   Exit: (214) [system] get_char((0x55772f068e50), ')')
   Call: (214) [system] _1916042=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x55772f068e50), [])
   Call: (213) [system] _1816832=['E']
   Exit: (213) [system] ['E']=['E']
^  Exit: (212) [user] read_list(')', (0x55772f068e50), ['E'])
   Call: (212) [system] _1358738=[['OrLink', 'C', 'D'], 'E']
   Exit: (212) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (211) [user] read_list(')', (0x55772f068e50), [['OrLink', 'C', 'D'], 'E'])
   Call: (211) [system] _1085742=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (211) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (210) [user] read_list(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (209) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (209) [user] read_list(')', (0x55772f068e50), _1951582)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1953440)
   Exit: (211) [system] peek_char((0x55772f068e50), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
   Call: (211) [system] ')'=(/)
   Fail: (211) [system] ')'=(/)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1969450)
   Exit: (210) [system] peek_char((0x55772f068e50), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x55772f068e50), _1973240)
   Exit: (210) [system] get_char((0x55772f068e50), ')')
   Call: (210) [system] _1951582=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x55772f068e50), [])
   Call: (209) [system] _1049082=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (209) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (208) [user] read_list(')', (0x55772f068e50), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (208) [system] _129852=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (208) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (207) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (207) [system] _3920=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (207) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (206) [user] read_list(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (205) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (205) [user] read_list(')', (0x55772f068e50), _1987122)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1988980)
   Exit: (207) [system] peek_char((0x55772f068e50), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
   Call: (207) [system] ')'=(/)
   Fail: (207) [system] ')'=(/)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _2004990)
   Exit: (206) [system] peek_char((0x55772f068e50), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x55772f068e50), _2008780)
   Exit: (206) [system] get_char((0x55772f068e50), ')')
   Call: (206) [system] _1987122=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x55772f068e50), [])
   Call: (205) [system] _3916=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (205) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (204) [user] read_list(')', (0x55772f068e50), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (204) [system] _3892=[['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (204) [system] [['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (203) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (203) [system] _3884=[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (203) [system] [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (202) [user] read_list(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (201) [user] cont_sexpr(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (201) [user] read_list(')', (0x55772f068e50), _2022662)
^  Call: (202) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _2024520)
   Exit: (203) [system] peek_char((0x55772f068e50), '\n')
   Call: (203) [system] '\n'=(;)
   Fail: (203) [system] '\n'=(;)
   Call: (203) [system] '\n'=(/)
   Fail: (203) [system] '\n'=(/)
^  Call: (203) [user] is_like_space('\n')
   Call: (204) [system] char_type('\n', 'white')
   Fail: (204) [system] char_type('\n', 'white')
   Call: (204) [system] char_type('\n', end_of_line)
   Exit: (204) [system] char_type('\n', end_of_line)
^  Exit: (203) [user] is_like_space('\n')
   Call: (203) [system] get_char((0x55772f068e50), _2035970)
   Exit: (203) [system] get_char((0x55772f068e50), '\n')
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _2038674)
   Exit: (204) [system] peek_char((0x55772f068e50), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x55772f068e50), _2048268)
   Exit: (204) [system] get_char((0x55772f068e50), ' ')
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _2050972)
   Exit: (205) [system] peek_char((0x55772f068e50), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
^  Exit: (202) [user] skip_spaces((0x55772f068e50))
   Call: (202) [system] peek_char((0x55772f068e50), _2068830)
   Exit: (202) [system] peek_char((0x55772f068e50), '(')
   Call: (202) [system] '('=')'
   Fail: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
   Fail: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x55772f068e50), _2074400)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _2076258)
   Exit: (204) [system] peek_char((0x55772f068e50), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] get_char((0x55772f068e50), _2092268)
   Exit: (203) [system] get_char((0x55772f068e50), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x55772f068e50), _2074400)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _4894)
   Exit: (205) [system] peek_char((0x55772f068e50), :)
   Call: (205) [system] (:)=(;)
   Fail: (205) [system] (:)=(;)
   Call: (205) [system] (:)=(/)
   Fail: (205) [system] (:)=(/)
^  Call: (205) [user] is_like_space(:)
   Call: (206) [system] char_type(:, 'white')
   Fail: (206) [system] char_type(:, 'white')
   Call: (206) [system] char_type(:, end_of_line)
   Fail: (206) [system] char_type(:, end_of_line)
   Call: (206) [system] char_type(:, space)
   Fail: (206) [system] char_type(:, space)
   Call: (206) [system] char_type(:, cntrl)
   Fail: (206) [system] char_type(:, cntrl)
^  Fail: (205) [user] is_like_space(:)
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _20904)
   Exit: (204) [system] peek_char((0x55772f068e50), :)
   Call: (204) [system] (:)=')'
   Fail: (204) [system] (:)=')'
   Call: (204) [system] (:)=end_of_file
   Fail: (204) [system] (:)=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x55772f068e50), _26474)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _28332)
   Exit: (206) [system] peek_char((0x55772f068e50), :)
   Call: (206) [system] (:)=(;)
   Fail: (206) [system] (:)=(;)
   Call: (206) [system] (:)=(/)
   Fail: (206) [system] (:)=(/)
^  Call: (206) [user] is_like_space(:)
   Call: (207) [system] char_type(:, 'white')
   Fail: (207) [system] char_type(:, 'white')
   Call: (207) [system] char_type(:, end_of_line)
   Fail: (207) [system] char_type(:, end_of_line)
   Call: (207) [system] char_type(:, space)
   Fail: (207) [system] char_type(:, space)
   Call: (207) [system] char_type(:, cntrl)
   Fail: (207) [system] char_type(:, cntrl)
^  Fail: (206) [user] is_like_space(:)
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] get_char((0x55772f068e50), _44342)
   Exit: (205) [system] get_char((0x55772f068e50), :)
   Call: (205) [system] (:)='('
   Fail: (205) [system] (:)='('
   Call: (205) [system] (:)='['
   Fail: (205) [system] (:)='['
   Call: (205) [system] (:)='{'
   Fail: (205) [system] (:)='{'
   Call: (205) [system] (:)='"'
   Fail: (205) [system] (:)='"'
   Call: (205) [system] (:)=!
   Fail: (205) [system] (:)=!
   Call: (205) [system] (:)='\''
   Fail: (205) [system] (:)='\''
   Call: (205) [system] (:)='`'
   Fail: (205) [system] (:)='`'
   Call: (205) [system] (:)=end_of_file
   Fail: (205) [system] (:)=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x55772f068e50), :, _26474)
^  Call: (206) [user] read_symbolic_cont(')', (0x55772f068e50), _61984)
   Call: (207) [system] peek_char((0x55772f068e50), _62918)
   Exit: (207) [system] peek_char((0x55772f068e50), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _61984=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (206) [user] classify_and_convert_charseq([:], _26474)
^  Call: (207) [user] classify_and_convert_charseq_([:], _72202)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_73154, _73156), once(user:catch(read_from_chars([:], _72202), _73136, fail)), '$restore_trace'(_73154, _73156))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_73154, _73156))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _73136, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(:)
   Exit: (208) [system] atomic(:)
^  Exit: (207) [user] classify_and_convert_charseq_([:], :)
   Call: (207) [system] integer(:)
   Fail: (207) [system] integer(:)
   Call: (207) [system] _26474=(:)
   Exit: (207) [system] (:)=(:)
^  Exit: (206) [user] classify_and_convert_charseq([:], :)
^  Exit: (205) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (204) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (204) [user] read_list(')', (0x55772f068e50), _85282)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _87140)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x55772f068e50), _96734)
   Exit: (206) [system] get_char((0x55772f068e50), ' ')
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _99438)
   Exit: (207) [system] peek_char((0x55772f068e50), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _116372)
   Exit: (205) [system] peek_char((0x55772f068e50), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x55772f068e50), _121942)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _123800)
   Exit: (207) [system] peek_char((0x55772f068e50), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] get_char((0x55772f068e50), _139810)
   Exit: (206) [system] get_char((0x55772f068e50), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x55772f068e50), _121942)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _145380)
   Exit: (208) [system] peek_char((0x55772f068e50), 'D')
   Call: (208) [system] 'D'=(;)
   Fail: (208) [system] 'D'=(;)
   Call: (208) [system] 'D'=(/)
   Fail: (208) [system] 'D'=(/)
^  Call: (208) [user] is_like_space('D')
   Call: (209) [system] char_type('D', 'white')
   Fail: (209) [system] char_type('D', 'white')
   Call: (209) [system] char_type('D', end_of_line)
   Fail: (209) [system] char_type('D', end_of_line)
   Call: (209) [system] char_type('D', space)
   Fail: (209) [system] char_type('D', space)
   Call: (209) [system] char_type('D', cntrl)
   Fail: (209) [system] char_type('D', cntrl)
^  Fail: (208) [user] is_like_space('D')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _161390)
   Exit: (207) [system] peek_char((0x55772f068e50), 'D')
   Call: (207) [system] 'D'=')'
   Fail: (207) [system] 'D'=')'
   Call: (207) [system] 'D'=end_of_file
   Fail: (207) [system] 'D'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x55772f068e50), _166960)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _168818)
   Exit: (209) [system] peek_char((0x55772f068e50), 'D')
   Call: (209) [system] 'D'=(;)
   Fail: (209) [system] 'D'=(;)
   Call: (209) [system] 'D'=(/)
   Fail: (209) [system] 'D'=(/)
^  Call: (209) [user] is_like_space('D')
   Call: (210) [system] char_type('D', 'white')
   Fail: (210) [system] char_type('D', 'white')
   Call: (210) [system] char_type('D', end_of_line)
   Fail: (210) [system] char_type('D', end_of_line)
   Call: (210) [system] char_type('D', space)
   Fail: (210) [system] char_type('D', space)
   Call: (210) [system] char_type('D', cntrl)
   Fail: (210) [system] char_type('D', cntrl)
^  Fail: (209) [user] is_like_space('D')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] get_char((0x55772f068e50), _184828)
   Exit: (208) [system] get_char((0x55772f068e50), 'D')
   Call: (208) [system] 'D'='('
   Fail: (208) [system] 'D'='('
   Call: (208) [system] 'D'='['
   Fail: (208) [system] 'D'='['
   Call: (208) [system] 'D'='{'
   Fail: (208) [system] 'D'='{'
   Call: (208) [system] 'D'='"'
   Fail: (208) [system] 'D'='"'
   Call: (208) [system] 'D'=!
   Fail: (208) [system] 'D'=!
   Call: (208) [system] 'D'='\''
   Fail: (208) [system] 'D'='\''
   Call: (208) [system] 'D'='`'
   Fail: (208) [system] 'D'='`'
   Call: (208) [system] 'D'=end_of_file
   Fail: (208) [system] 'D'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x55772f068e50), 'D', _166960)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _202470)
   Call: (210) [system] peek_char((0x55772f068e50), _203404)
   Exit: (210) [system] peek_char((0x55772f068e50), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_208124, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_209056, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x55772f068e50), i)
   Exit: (210) [system] get_char((0x55772f068e50), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _216406)
   Call: (211) [system] peek_char((0x55772f068e50), _217340)
   Exit: (211) [system] peek_char((0x55772f068e50), s)
^  Call: (211) [user] is_delimiter(s)
   Call: (212) [system] char_type(s, space)
   Fail: (212) [system] char_type(s, space)
   Call: (212) [system] arg(_222060, v('(', ')', end_of_file), s)
   Fail: (212) [system] arg(_222992, v('(', ')', end_of_file), s)
^  Fail: (211) [user] is_delimiter(s)
   Call: (211) [system] ')'==s
   Fail: (211) [system] ')'==s
   Call: (211) [system] get_char((0x55772f068e50), s)
   Exit: (211) [system] get_char((0x55772f068e50), s)
   Call: (211) [system] s=(\)
   Fail: (211) [system] s=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _230342)
   Call: (212) [system] peek_char((0x55772f068e50), _231276)
   Exit: (212) [system] peek_char((0x55772f068e50), j)
^  Call: (212) [user] is_delimiter(j)
   Call: (213) [system] char_type(j, space)
   Fail: (213) [system] char_type(j, space)
   Call: (213) [system] arg(_235996, v('(', ')', end_of_file), j)
   Fail: (213) [system] arg(_236928, v('(', ')', end_of_file), j)
^  Fail: (212) [user] is_delimiter(j)
   Call: (212) [system] ')'==j
   Fail: (212) [system] ')'==j
   Call: (212) [system] get_char((0x55772f068e50), j)
   Exit: (212) [system] get_char((0x55772f068e50), j)
   Call: (212) [system] j=(\)
   Fail: (212) [system] j=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _244278)
   Call: (213) [system] peek_char((0x55772f068e50), _245212)
   Exit: (213) [system] peek_char((0x55772f068e50), u)
^  Call: (213) [user] is_delimiter(u)
   Call: (214) [system] char_type(u, space)
   Fail: (214) [system] char_type(u, space)
   Call: (214) [system] arg(_249932, v('(', ')', end_of_file), u)
   Fail: (214) [system] arg(_250864, v('(', ')', end_of_file), u)
^  Fail: (213) [user] is_delimiter(u)
   Call: (213) [system] ')'==u
   Fail: (213) [system] ')'==u
   Call: (213) [system] get_char((0x55772f068e50), u)
   Exit: (213) [system] get_char((0x55772f068e50), u)
   Call: (213) [system] u=(\)
   Fail: (213) [system] u=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _258214)
   Call: (214) [system] peek_char((0x55772f068e50), _259148)
   Exit: (214) [system] peek_char((0x55772f068e50), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_263868, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_264800, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x55772f068e50), n)
   Exit: (214) [system] get_char((0x55772f068e50), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _272150)
   Call: (215) [system] peek_char((0x55772f068e50), _273084)
   Exit: (215) [system] peek_char((0x55772f068e50), c)
^  Call: (215) [user] is_delimiter(c)
   Call: (216) [system] char_type(c, space)
   Fail: (216) [system] char_type(c, space)
   Call: (216) [system] arg(_277804, v('(', ')', end_of_file), c)
   Fail: (216) [system] arg(_278736, v('(', ')', end_of_file), c)
^  Fail: (215) [user] is_delimiter(c)
   Call: (215) [system] ')'==c
   Fail: (215) [system] ')'==c
   Call: (215) [system] get_char((0x55772f068e50), c)
   Exit: (215) [system] get_char((0x55772f068e50), c)
   Call: (215) [system] c=(\)
   Fail: (215) [system] c=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _286086)
   Call: (216) [system] peek_char((0x55772f068e50), _287020)
   Exit: (216) [system] peek_char((0x55772f068e50), t)
^  Call: (216) [user] is_delimiter(t)
   Call: (217) [system] char_type(t, space)
   Fail: (217) [system] char_type(t, space)
   Call: (217) [system] arg(_291740, v('(', ')', end_of_file), t)
   Fail: (217) [system] arg(_292672, v('(', ')', end_of_file), t)
^  Fail: (216) [user] is_delimiter(t)
   Call: (216) [system] ')'==t
   Fail: (216) [system] ')'==t
   Call: (216) [system] get_char((0x55772f068e50), t)
   Exit: (216) [system] get_char((0x55772f068e50), t)
   Call: (216) [system] t=(\)
   Fail: (216) [system] t=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _300022)
   Call: (217) [system] peek_char((0x55772f068e50), _300956)
   Exit: (217) [system] peek_char((0x55772f068e50), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_305676, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_306608, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x55772f068e50), i)
   Exit: (217) [system] get_char((0x55772f068e50), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _313958)
   Call: (218) [system] peek_char((0x55772f068e50), _314892)
   Exit: (218) [system] peek_char((0x55772f068e50), o)
^  Call: (218) [user] is_delimiter(o)
   Call: (219) [system] char_type(o, space)
   Fail: (219) [system] char_type(o, space)
   Call: (219) [system] arg(_319612, v('(', ')', end_of_file), o)
   Fail: (219) [system] arg(_320544, v('(', ')', end_of_file), o)
^  Fail: (218) [user] is_delimiter(o)
   Call: (218) [system] ')'==o
   Fail: (218) [system] ')'==o
   Call: (218) [system] get_char((0x55772f068e50), o)
   Exit: (218) [system] get_char((0x55772f068e50), o)
   Call: (218) [system] o=(\)
   Fail: (218) [system] o=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _327894)
   Call: (219) [system] peek_char((0x55772f068e50), _328828)
   Exit: (219) [system] peek_char((0x55772f068e50), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_333548, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_334480, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x55772f068e50), n)
   Exit: (219) [system] get_char((0x55772f068e50), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _341830)
   Call: (220) [system] peek_char((0x55772f068e50), _342764)
   Exit: (220) [system] peek_char((0x55772f068e50), 'I')
^  Call: (220) [user] is_delimiter('I')
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] arg(_347484, v('(', ')', end_of_file), 'I')
   Fail: (221) [system] arg(_348416, v('(', ')', end_of_file), 'I')
^  Fail: (220) [user] is_delimiter('I')
   Call: (220) [system] ')'=='I'
   Fail: (220) [system] ')'=='I'
   Call: (220) [system] get_char((0x55772f068e50), 'I')
   Exit: (220) [system] get_char((0x55772f068e50), 'I')
   Call: (220) [system] 'I'=(\)
   Fail: (220) [system] 'I'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _355766)
   Call: (221) [system] peek_char((0x55772f068e50), _356700)
   Exit: (221) [system] peek_char((0x55772f068e50), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_361420, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_362352, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x55772f068e50), n)
   Exit: (221) [system] get_char((0x55772f068e50), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _369702)
   Call: (222) [system] peek_char((0x55772f068e50), _370636)
   Exit: (222) [system] peek_char((0x55772f068e50), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_375356, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_376288, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x55772f068e50), t)
   Exit: (222) [system] get_char((0x55772f068e50), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _383638)
   Call: (223) [system] peek_char((0x55772f068e50), _384572)
   Exit: (223) [system] peek_char((0x55772f068e50), r)
^  Call: (223) [user] is_delimiter(r)
   Call: (224) [system] char_type(r, space)
   Fail: (224) [system] char_type(r, space)
   Call: (224) [system] arg(_389292, v('(', ')', end_of_file), r)
   Fail: (224) [system] arg(_390224, v('(', ')', end_of_file), r)
^  Fail: (223) [user] is_delimiter(r)
   Call: (223) [system] ')'==r
   Fail: (223) [system] ')'==r
   Call: (223) [system] get_char((0x55772f068e50), r)
   Exit: (223) [system] get_char((0x55772f068e50), r)
   Call: (223) [system] r=(\)
   Fail: (223) [system] r=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _397574)
   Call: (224) [system] peek_char((0x55772f068e50), _398508)
   Exit: (224) [system] peek_char((0x55772f068e50), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_403228, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_404160, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x55772f068e50), o)
   Exit: (224) [system] get_char((0x55772f068e50), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _411510)
   Call: (225) [system] peek_char((0x55772f068e50), _412444)
   Exit: (225) [system] peek_char((0x55772f068e50), d)
^  Call: (225) [user] is_delimiter(d)
   Call: (226) [system] char_type(d, space)
   Fail: (226) [system] char_type(d, space)
   Call: (226) [system] arg(_417164, v('(', ')', end_of_file), d)
   Fail: (226) [system] arg(_418096, v('(', ')', end_of_file), d)
^  Fail: (225) [user] is_delimiter(d)
   Call: (225) [system] ')'==d
   Fail: (225) [system] ')'==d
   Call: (225) [system] get_char((0x55772f068e50), d)
   Exit: (225) [system] get_char((0x55772f068e50), d)
   Call: (225) [system] d=(\)
   Fail: (225) [system] d=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _425446)
   Call: (226) [system] peek_char((0x55772f068e50), _426380)
   Exit: (226) [system] peek_char((0x55772f068e50), u)
^  Call: (226) [user] is_delimiter(u)
   Call: (227) [system] char_type(u, space)
   Fail: (227) [system] char_type(u, space)
   Call: (227) [system] arg(_431100, v('(', ')', end_of_file), u)
   Fail: (227) [system] arg(_432032, v('(', ')', end_of_file), u)
^  Fail: (226) [user] is_delimiter(u)
   Call: (226) [system] ')'==u
   Fail: (226) [system] ')'==u
   Call: (226) [system] get_char((0x55772f068e50), u)
   Exit: (226) [system] get_char((0x55772f068e50), u)
   Call: (226) [system] u=(\)
   Fail: (226) [system] u=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _439382)
   Call: (227) [system] peek_char((0x55772f068e50), _440316)
   Exit: (227) [system] peek_char((0x55772f068e50), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_445036, v('(', ')', end_of_file), c)
   Fail: (228) [system] arg(_445968, v('(', ')', end_of_file), c)
^  Fail: (227) [user] is_delimiter(c)
   Call: (227) [system] ')'==c
   Fail: (227) [system] ')'==c
   Call: (227) [system] get_char((0x55772f068e50), c)
   Exit: (227) [system] get_char((0x55772f068e50), c)
   Call: (227) [system] c=(\)
   Fail: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _453318)
   Call: (228) [system] peek_char((0x55772f068e50), _454252)
   Exit: (228) [system] peek_char((0x55772f068e50), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_458972, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_459904, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x55772f068e50), t)
   Exit: (228) [system] get_char((0x55772f068e50), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _467254)
   Call: (229) [system] peek_char((0x55772f068e50), _468188)
   Exit: (229) [system] peek_char((0x55772f068e50), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_472908, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_473840, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x55772f068e50), i)
   Exit: (229) [system] get_char((0x55772f068e50), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _481190)
   Call: (230) [system] peek_char((0x55772f068e50), _482124)
   Exit: (230) [system] peek_char((0x55772f068e50), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_486844, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_487776, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x55772f068e50), o)
   Exit: (230) [system] get_char((0x55772f068e50), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _495126)
   Call: (231) [system] peek_char((0x55772f068e50), _496060)
   Exit: (231) [system] peek_char((0x55772f068e50), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_500780, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_501712, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x55772f068e50), n)
   Exit: (231) [system] get_char((0x55772f068e50), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _509062)
   Call: (232) [system] peek_char((0x55772f068e50), _509996)
   Exit: (232) [system] peek_char((0x55772f068e50), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _509062=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (231) [system] _495126=[n]
   Exit: (231) [system] [n]=[n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (230) [system] _481190=[o, n]
   Exit: (230) [system] [o, n]=[o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (229) [system] _467254=[i, o, n]
   Exit: (229) [system] [i, o, n]=[i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (228) [system] _453318=[t, i, o, n]
   Exit: (228) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (227) [system] _439382=[c, t, i, o, n]
   Exit: (227) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (226) [system] _425446=[u, c, t, i, o, n]
   Exit: (226) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (225) [system] _411510=[d, u, c, t, i, o, n]
   Exit: (225) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (224) [system] _397574=[o, d, u, c, t, i, o, n]
   Exit: (224) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (223) [system] _383638=[r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _369702=[t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _355766=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _341830=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _327894=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _313958=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _300022=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _286086=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _272150=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _258214=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _244278=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _230342=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _216406=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _202470=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (209) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _166960)
^  Call: (210) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _580748)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_581700, _581702), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _580748), _581682, fail)), '$restore_trace'(_581700, _581702))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_581700, _581702))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _580748), _581682, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_580748)
   Fail: (211) [system] atomic(_580748)
   Call: (211) [system] atom_chars(_580748, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (211) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (210) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (210) [system] integer('DisjunctionIntroduction')
   Fail: (210) [system] integer('DisjunctionIntroduction')
   Call: (210) [system] _166960='DisjunctionIntroduction'
   Exit: (210) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (209) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (208) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (207) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (207) [user] read_list(')', (0x55772f068e50), _595698)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _597556)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x55772f068e50), _607150)
   Exit: (209) [system] get_char((0x55772f068e50), ' ')
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _609854)
   Exit: (210) [system] peek_char((0x55772f068e50), a)
   Call: (210) [system] a=(;)
   Fail: (210) [system] a=(;)
   Call: (210) [system] a=(/)
   Fail: (210) [system] a=(/)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Fail: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Fail: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
   Fail: (211) [system] char_type(a, cntrl)
^  Fail: (210) [user] is_like_space(a)
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _626788)
   Exit: (208) [system] peek_char((0x55772f068e50), a)
   Call: (208) [system] a=')'
   Fail: (208) [system] a=')'
   Call: (208) [system] a=end_of_file
   Fail: (208) [system] a=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x55772f068e50), _632358)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _634216)
   Exit: (210) [system] peek_char((0x55772f068e50), a)
   Call: (210) [system] a=(;)
   Fail: (210) [system] a=(;)
   Call: (210) [system] a=(/)
   Fail: (210) [system] a=(/)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Fail: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Fail: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
   Fail: (211) [system] char_type(a, cntrl)
^  Fail: (210) [user] is_like_space(a)
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] get_char((0x55772f068e50), _650226)
   Exit: (209) [system] get_char((0x55772f068e50), a)
   Call: (209) [system] a='('
   Fail: (209) [system] a='('
   Call: (209) [system] a='['
   Fail: (209) [system] a='['
   Call: (209) [system] a='{'
   Fail: (209) [system] a='{'
   Call: (209) [system] a='"'
   Fail: (209) [system] a='"'
   Call: (209) [system] a=!
   Fail: (209) [system] a=!
   Call: (209) [system] a='\''
   Fail: (209) [system] a='\''
   Call: (209) [system] a='`'
   Fail: (209) [system] a='`'
   Call: (209) [system] a=end_of_file
   Fail: (209) [system] a=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x55772f068e50), a, _632358)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _667868)
   Call: (211) [system] peek_char((0x55772f068e50), _668802)
   Exit: (211) [system] peek_char((0x55772f068e50), b)
^  Call: (211) [user] is_delimiter(b)
   Call: (212) [system] char_type(b, space)
   Fail: (212) [system] char_type(b, space)
   Call: (212) [system] arg(_673522, v('(', ')', end_of_file), b)
   Fail: (212) [system] arg(_674454, v('(', ')', end_of_file), b)
^  Fail: (211) [user] is_delimiter(b)
   Call: (211) [system] ')'==b
   Fail: (211) [system] ')'==b
   Call: (211) [system] get_char((0x55772f068e50), b)
   Exit: (211) [system] get_char((0x55772f068e50), b)
   Call: (211) [system] b=(\)
   Fail: (211) [system] b=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _681804)
   Call: (212) [system] peek_char((0x55772f068e50), _682738)
   Exit: (212) [system] peek_char((0x55772f068e50), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_687458, v('(', ')', end_of_file), c)
   Fail: (213) [system] arg(_688390, v('(', ')', end_of_file), c)
^  Fail: (212) [user] is_delimiter(c)
   Call: (212) [system] ')'==c
   Fail: (212) [system] ')'==c
   Call: (212) [system] get_char((0x55772f068e50), c)
   Exit: (212) [system] get_char((0x55772f068e50), c)
   Call: (212) [system] c=(\)
   Fail: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _695740)
   Call: (213) [system] peek_char((0x55772f068e50), _696674)
   Exit: (213) [system] peek_char((0x55772f068e50), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _695740=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (212) [system] _681804=[c]
   Exit: (212) [system] [c]=[c]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (211) [system] _667868=[b, c]
   Exit: (211) [system] [b, c]=[b, c]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (210) [user] classify_and_convert_charseq([a, b, c], _632358)
^  Call: (211) [user] classify_and_convert_charseq_([a, b, c], _711546)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_712498, _712500), once(user:catch(read_from_chars([a, b, c], _711546), _712480, fail)), '$restore_trace'(_712498, _712500))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_712498, _712500))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _712480, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(abc)
   Exit: (212) [system] atomic(abc)
^  Exit: (211) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (211) [system] integer(abc)
   Fail: (211) [system] integer(abc)
   Call: (211) [system] _632358=abc
   Exit: (211) [system] abc=abc
^  Exit: (210) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (209) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (208) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (208) [user] read_list(')', (0x55772f068e50), _724626)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _726484)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x55772f068e50), _736078)
   Exit: (210) [system] get_char((0x55772f068e50), ' ')
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _738782)
   Exit: (211) [system] peek_char((0x55772f068e50), a)
   Call: (211) [system] a=(;)
   Fail: (211) [system] a=(;)
   Call: (211) [system] a=(/)
   Fail: (211) [system] a=(/)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Fail: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Fail: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
   Fail: (212) [system] char_type(a, cntrl)
^  Fail: (211) [user] is_like_space(a)
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _755716)
   Exit: (209) [system] peek_char((0x55772f068e50), a)
   Call: (209) [system] a=')'
   Fail: (209) [system] a=')'
   Call: (209) [system] a=end_of_file
   Fail: (209) [system] a=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x55772f068e50), _761286)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _763144)
   Exit: (211) [system] peek_char((0x55772f068e50), a)
   Call: (211) [system] a=(;)
   Fail: (211) [system] a=(;)
   Call: (211) [system] a=(/)
   Fail: (211) [system] a=(/)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Fail: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Fail: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
   Fail: (212) [system] char_type(a, cntrl)
^  Fail: (211) [user] is_like_space(a)
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] get_char((0x55772f068e50), _779154)
   Exit: (210) [system] get_char((0x55772f068e50), a)
   Call: (210) [system] a='('
   Fail: (210) [system] a='('
   Call: (210) [system] a='['
   Fail: (210) [system] a='['
   Call: (210) [system] a='{'
   Fail: (210) [system] a='{'
   Call: (210) [system] a='"'
   Fail: (210) [system] a='"'
   Call: (210) [system] a=!
   Fail: (210) [system] a=!
   Call: (210) [system] a='\''
   Fail: (210) [system] a='\''
   Call: (210) [system] a='`'
   Fail: (210) [system] a='`'
   Call: (210) [system] a=end_of_file
   Fail: (210) [system] a=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x55772f068e50), a, _761286)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _796796)
   Call: (212) [system] peek_char((0x55772f068e50), _797730)
   Exit: (212) [system] peek_char((0x55772f068e50), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_802450, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _796796=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (211) [user] classify_and_convert_charseq([a], _761286)
^  Call: (212) [user] classify_and_convert_charseq_([a], _808886)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_809838, _809840), once(user:catch(read_from_chars([a], _808886), _809820, fail)), '$restore_trace'(_809838, _809840))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_809838, _809840))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _809820, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(a)
   Exit: (213) [system] atomic(a)
^  Exit: (212) [user] classify_and_convert_charseq_([a], a)
   Call: (212) [system] integer(a)
   Fail: (212) [system] integer(a)
   Call: (212) [system] _761286=a
   Exit: (212) [system] a=a
^  Exit: (211) [user] classify_and_convert_charseq([a], a)
^  Exit: (210) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (209) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (209) [user] read_list(')', (0x55772f068e50), _821966)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _823824)
   Exit: (211) [system] peek_char((0x55772f068e50), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
   Call: (211) [system] ')'=(/)
   Fail: (211) [system] ')'=(/)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _839834)
   Exit: (210) [system] peek_char((0x55772f068e50), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x55772f068e50), _843624)
   Exit: (210) [system] get_char((0x55772f068e50), ')')
   Call: (210) [system] _821966=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x55772f068e50), [])
   Call: (209) [system] _724626=[a]
   Exit: (209) [system] [a]=[a]
^  Exit: (208) [user] read_list(')', (0x55772f068e50), [a])
   Call: (208) [system] _595698=[abc, a]
   Exit: (208) [system] [abc, a]=[abc, a]
^  Exit: (207) [user] read_list(')', (0x55772f068e50), [abc, a])
   Call: (207) [system] _121942=['DisjunctionIntroduction', abc, a]
   Exit: (207) [system] ['DisjunctionIntroduction', abc, a]=['DisjunctionIntroduction', abc, a]
^  Exit: (206) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, a])
^  Exit: (205) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, a])
^  Call: (205) [user] read_list(')', (0x55772f068e50), _857506)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _859364)
   Exit: (207) [system] peek_char((0x55772f068e50), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x55772f068e50), _868958)
   Exit: (207) [system] get_char((0x55772f068e50), ' ')
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _871662)
   Exit: (208) [system] peek_char((0x55772f068e50), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _888596)
   Exit: (206) [system] peek_char((0x55772f068e50), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x55772f068e50), _894166)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _896024)
   Exit: (208) [system] peek_char((0x55772f068e50), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] get_char((0x55772f068e50), _912034)
   Exit: (207) [system] get_char((0x55772f068e50), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x55772f068e50), _894166)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _917604)
   Exit: (209) [system] peek_char((0x55772f068e50), 'O')
   Call: (209) [system] 'O'=(;)
   Fail: (209) [system] 'O'=(;)
   Call: (209) [system] 'O'=(/)
   Fail: (209) [system] 'O'=(/)
^  Call: (209) [user] is_like_space('O')
   Call: (210) [system] char_type('O', 'white')
   Fail: (210) [system] char_type('O', 'white')
   Call: (210) [system] char_type('O', end_of_line)
   Fail: (210) [system] char_type('O', end_of_line)
   Call: (210) [system] char_type('O', space)
   Fail: (210) [system] char_type('O', space)
   Call: (210) [system] char_type('O', cntrl)
   Fail: (210) [system] char_type('O', cntrl)
^  Fail: (209) [user] is_like_space('O')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _933614)
   Exit: (208) [system] peek_char((0x55772f068e50), 'O')
   Call: (208) [system] 'O'=')'
   Fail: (208) [system] 'O'=')'
   Call: (208) [system] 'O'=end_of_file
   Fail: (208) [system] 'O'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x55772f068e50), _939184)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _941042)
   Exit: (210) [system] peek_char((0x55772f068e50), 'O')
   Call: (210) [system] 'O'=(;)
   Fail: (210) [system] 'O'=(;)
   Call: (210) [system] 'O'=(/)
   Fail: (210) [system] 'O'=(/)
^  Call: (210) [user] is_like_space('O')
   Call: (211) [system] char_type('O', 'white')
   Fail: (211) [system] char_type('O', 'white')
   Call: (211) [system] char_type('O', end_of_line)
   Fail: (211) [system] char_type('O', end_of_line)
   Call: (211) [system] char_type('O', space)
   Fail: (211) [system] char_type('O', space)
   Call: (211) [system] char_type('O', cntrl)
   Fail: (211) [system] char_type('O', cntrl)
^  Fail: (210) [user] is_like_space('O')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] get_char((0x55772f068e50), _957052)
   Exit: (209) [system] get_char((0x55772f068e50), 'O')
   Call: (209) [system] 'O'='('
   Fail: (209) [system] 'O'='('
   Call: (209) [system] 'O'='['
   Fail: (209) [system] 'O'='['
   Call: (209) [system] 'O'='{'
   Fail: (209) [system] 'O'='{'
   Call: (209) [system] 'O'='"'
   Fail: (209) [system] 'O'='"'
   Call: (209) [system] 'O'=!
   Fail: (209) [system] 'O'=!
   Call: (209) [system] 'O'='\''
   Fail: (209) [system] 'O'='\''
   Call: (209) [system] 'O'='`'
   Fail: (209) [system] 'O'='`'
   Call: (209) [system] 'O'=end_of_file
   Fail: (209) [system] 'O'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x55772f068e50), 'O', _939184)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _974694)
   Call: (211) [system] peek_char((0x55772f068e50), _975628)
   Exit: (211) [system] peek_char((0x55772f068e50), r)
^  Call: (211) [user] is_delimiter(r)
   Call: (212) [system] char_type(r, space)
   Fail: (212) [system] char_type(r, space)
   Call: (212) [system] arg(_980348, v('(', ')', end_of_file), r)
   Fail: (212) [system] arg(_981280, v('(', ')', end_of_file), r)
^  Fail: (211) [user] is_delimiter(r)
   Call: (211) [system] ')'==r
   Fail: (211) [system] ')'==r
   Call: (211) [system] get_char((0x55772f068e50), r)
   Exit: (211) [system] get_char((0x55772f068e50), r)
   Call: (211) [system] r=(\)
   Fail: (211) [system] r=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _988630)
   Call: (212) [system] peek_char((0x55772f068e50), _989564)
   Exit: (212) [system] peek_char((0x55772f068e50), 'L')
^  Call: (212) [user] is_delimiter('L')
   Call: (213) [system] char_type('L', space)
   Fail: (213) [system] char_type('L', space)
   Call: (213) [system] arg(_994284, v('(', ')', end_of_file), 'L')
   Fail: (213) [system] arg(_995216, v('(', ')', end_of_file), 'L')
^  Fail: (212) [user] is_delimiter('L')
   Call: (212) [system] ')'=='L'
   Fail: (212) [system] ')'=='L'
   Call: (212) [system] get_char((0x55772f068e50), 'L')
   Exit: (212) [system] get_char((0x55772f068e50), 'L')
   Call: (212) [system] 'L'=(\)
   Fail: (212) [system] 'L'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1002566)
   Call: (213) [system] peek_char((0x55772f068e50), _1003500)
   Exit: (213) [system] peek_char((0x55772f068e50), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1008220, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1009152, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x55772f068e50), i)
   Exit: (213) [system] get_char((0x55772f068e50), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1016502)
   Call: (214) [system] peek_char((0x55772f068e50), _1017436)
   Exit: (214) [system] peek_char((0x55772f068e50), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1022156, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1023088, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x55772f068e50), n)
   Exit: (214) [system] get_char((0x55772f068e50), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1030438)
   Call: (215) [system] peek_char((0x55772f068e50), _1031372)
   Exit: (215) [system] peek_char((0x55772f068e50), k)
^  Call: (215) [user] is_delimiter(k)
   Call: (216) [system] char_type(k, space)
   Fail: (216) [system] char_type(k, space)
   Call: (216) [system] arg(_1036092, v('(', ')', end_of_file), k)
   Fail: (216) [system] arg(_1037024, v('(', ')', end_of_file), k)
^  Fail: (215) [user] is_delimiter(k)
   Call: (215) [system] ')'==k
   Fail: (215) [system] ')'==k
   Call: (215) [system] get_char((0x55772f068e50), k)
   Exit: (215) [system] get_char((0x55772f068e50), k)
   Call: (215) [system] k=(\)
   Fail: (215) [system] k=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1044374)
   Call: (216) [system] peek_char((0x55772f068e50), _1045308)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1044374=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (215) [system] _1030438=[k]
   Exit: (215) [system] [k]=[k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (214) [system] _1016502=[n, k]
   Exit: (214) [system] [n, k]=[n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (213) [system] _1002566=[i, n, k]
   Exit: (213) [system] [i, n, k]=[i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (212) [system] _988630=['L', i, n, k]
   Exit: (212) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (211) [system] _974694=[r, 'L', i, n, k]
   Exit: (211) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (210) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _939184)
^  Call: (211) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1068562)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1069514, _1069516), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1068562), _1069496, fail)), '$restore_trace'(_1069514, _1069516))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1069514, _1069516))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1068562), _1069496, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1068562)
   Fail: (212) [system] atomic(_1068562)
   Call: (212) [system] atom_chars(_1068562, ['O', r, 'L', i, n, k])
   Exit: (212) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (211) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (211) [system] integer('OrLink')
   Fail: (211) [system] integer('OrLink')
   Call: (211) [system] _939184='OrLink'
   Exit: (211) [system] 'OrLink'='OrLink'
^  Exit: (210) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (209) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (208) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (208) [user] read_list(')', (0x55772f068e50), _1083512)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1085370)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x55772f068e50), _1094964)
   Exit: (210) [system] get_char((0x55772f068e50), ' ')
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1097668)
   Exit: (211) [system] peek_char((0x55772f068e50), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1114602)
   Exit: (209) [system] peek_char((0x55772f068e50), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x55772f068e50), _1120172)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1122030)
   Exit: (211) [system] peek_char((0x55772f068e50), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] get_char((0x55772f068e50), _1138040)
   Exit: (210) [system] get_char((0x55772f068e50), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x55772f068e50), _1120172)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1143610)
   Exit: (212) [system] peek_char((0x55772f068e50), 'I')
   Call: (212) [system] 'I'=(;)
   Fail: (212) [system] 'I'=(;)
   Call: (212) [system] 'I'=(/)
   Fail: (212) [system] 'I'=(/)
^  Call: (212) [user] is_like_space('I')
   Call: (213) [system] char_type('I', 'white')
   Fail: (213) [system] char_type('I', 'white')
   Call: (213) [system] char_type('I', end_of_line)
   Fail: (213) [system] char_type('I', end_of_line)
   Call: (213) [system] char_type('I', space)
   Fail: (213) [system] char_type('I', space)
   Call: (213) [system] char_type('I', cntrl)
   Fail: (213) [system] char_type('I', cntrl)
^  Fail: (212) [user] is_like_space('I')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1159620)
   Exit: (211) [system] peek_char((0x55772f068e50), 'I')
   Call: (211) [system] 'I'=')'
   Fail: (211) [system] 'I'=')'
   Call: (211) [system] 'I'=end_of_file
   Fail: (211) [system] 'I'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x55772f068e50), _1165190)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1167048)
   Exit: (213) [system] peek_char((0x55772f068e50), 'I')
   Call: (213) [system] 'I'=(;)
   Fail: (213) [system] 'I'=(;)
   Call: (213) [system] 'I'=(/)
   Fail: (213) [system] 'I'=(/)
^  Call: (213) [user] is_like_space('I')
   Call: (214) [system] char_type('I', 'white')
   Fail: (214) [system] char_type('I', 'white')
   Call: (214) [system] char_type('I', end_of_line)
   Fail: (214) [system] char_type('I', end_of_line)
   Call: (214) [system] char_type('I', space)
   Fail: (214) [system] char_type('I', space)
   Call: (214) [system] char_type('I', cntrl)
   Fail: (214) [system] char_type('I', cntrl)
^  Fail: (213) [user] is_like_space('I')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] get_char((0x55772f068e50), _1183058)
   Exit: (212) [system] get_char((0x55772f068e50), 'I')
   Call: (212) [system] 'I'='('
   Fail: (212) [system] 'I'='('
   Call: (212) [system] 'I'='['
   Fail: (212) [system] 'I'='['
   Call: (212) [system] 'I'='{'
   Fail: (212) [system] 'I'='{'
   Call: (212) [system] 'I'='"'
   Fail: (212) [system] 'I'='"'
   Call: (212) [system] 'I'=!
   Fail: (212) [system] 'I'=!
   Call: (212) [system] 'I'='\''
   Fail: (212) [system] 'I'='\''
   Call: (212) [system] 'I'='`'
   Fail: (212) [system] 'I'='`'
   Call: (212) [system] 'I'=end_of_file
   Fail: (212) [system] 'I'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x55772f068e50), 'I', _1165190)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1200700)
   Call: (214) [system] peek_char((0x55772f068e50), _1201634)
   Exit: (214) [system] peek_char((0x55772f068e50), m)
^  Call: (214) [user] is_delimiter(m)
   Call: (215) [system] char_type(m, space)
   Fail: (215) [system] char_type(m, space)
   Call: (215) [system] arg(_1206354, v('(', ')', end_of_file), m)
   Fail: (215) [system] arg(_1207286, v('(', ')', end_of_file), m)
^  Fail: (214) [user] is_delimiter(m)
   Call: (214) [system] ')'==m
   Fail: (214) [system] ')'==m
   Call: (214) [system] get_char((0x55772f068e50), m)
   Exit: (214) [system] get_char((0x55772f068e50), m)
   Call: (214) [system] m=(\)
   Fail: (214) [system] m=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1214636)
   Call: (215) [system] peek_char((0x55772f068e50), _1215570)
   Exit: (215) [system] peek_char((0x55772f068e50), p)
^  Call: (215) [user] is_delimiter(p)
   Call: (216) [system] char_type(p, space)
   Fail: (216) [system] char_type(p, space)
   Call: (216) [system] arg(_1220290, v('(', ')', end_of_file), p)
   Fail: (216) [system] arg(_1221222, v('(', ')', end_of_file), p)
^  Fail: (215) [user] is_delimiter(p)
   Call: (215) [system] ')'==p
   Fail: (215) [system] ')'==p
   Call: (215) [system] get_char((0x55772f068e50), p)
   Exit: (215) [system] get_char((0x55772f068e50), p)
   Call: (215) [system] p=(\)
   Fail: (215) [system] p=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1228572)
   Call: (216) [system] peek_char((0x55772f068e50), _1229506)
   Exit: (216) [system] peek_char((0x55772f068e50), l)
^  Call: (216) [user] is_delimiter(l)
   Call: (217) [system] char_type(l, space)
   Fail: (217) [system] char_type(l, space)
   Call: (217) [system] arg(_1234226, v('(', ')', end_of_file), l)
   Fail: (217) [system] arg(_1235158, v('(', ')', end_of_file), l)
^  Fail: (216) [user] is_delimiter(l)
   Call: (216) [system] ')'==l
   Fail: (216) [system] ')'==l
   Call: (216) [system] get_char((0x55772f068e50), l)
   Exit: (216) [system] get_char((0x55772f068e50), l)
   Call: (216) [system] l=(\)
   Fail: (216) [system] l=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1242508)
   Call: (217) [system] peek_char((0x55772f068e50), _1243442)
   Exit: (217) [system] peek_char((0x55772f068e50), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1248162, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1249094, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x55772f068e50), i)
   Exit: (217) [system] get_char((0x55772f068e50), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1256444)
   Call: (218) [system] peek_char((0x55772f068e50), _1257378)
   Exit: (218) [system] peek_char((0x55772f068e50), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_1262098, v('(', ')', end_of_file), c)
   Fail: (219) [system] arg(_1263030, v('(', ')', end_of_file), c)
^  Fail: (218) [user] is_delimiter(c)
   Call: (218) [system] ')'==c
   Fail: (218) [system] ')'==c
   Call: (218) [system] get_char((0x55772f068e50), c)
   Exit: (218) [system] get_char((0x55772f068e50), c)
   Call: (218) [system] c=(\)
   Fail: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1270380)
   Call: (219) [system] peek_char((0x55772f068e50), _1271314)
   Exit: (219) [system] peek_char((0x55772f068e50), a)
^  Call: (219) [user] is_delimiter(a)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] arg(_1276034, v('(', ')', end_of_file), a)
   Fail: (220) [system] arg(_1276966, v('(', ')', end_of_file), a)
^  Fail: (219) [user] is_delimiter(a)
   Call: (219) [system] ')'==a
   Fail: (219) [system] ')'==a
   Call: (219) [system] get_char((0x55772f068e50), a)
   Exit: (219) [system] get_char((0x55772f068e50), a)
   Call: (219) [system] a=(\)
   Fail: (219) [system] a=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1284316)
   Call: (220) [system] peek_char((0x55772f068e50), _1285250)
   Exit: (220) [system] peek_char((0x55772f068e50), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_1289970, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_1290902, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x55772f068e50), t)
   Exit: (220) [system] get_char((0x55772f068e50), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1298252)
   Call: (221) [system] peek_char((0x55772f068e50), _1299186)
   Exit: (221) [system] peek_char((0x55772f068e50), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1303906, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1304838, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x55772f068e50), i)
   Exit: (221) [system] get_char((0x55772f068e50), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1312188)
   Call: (222) [system] peek_char((0x55772f068e50), _1313122)
   Exit: (222) [system] peek_char((0x55772f068e50), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_1317842, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_1318774, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x55772f068e50), o)
   Exit: (222) [system] get_char((0x55772f068e50), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1326124)
   Call: (223) [system] peek_char((0x55772f068e50), _1327058)
   Exit: (223) [system] peek_char((0x55772f068e50), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1331778, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_1332710, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x55772f068e50), n)
   Exit: (223) [system] get_char((0x55772f068e50), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1340060)
   Call: (224) [system] peek_char((0x55772f068e50), _1340994)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1340060=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (223) [system] _1326124=[n]
   Exit: (223) [system] [n]=[n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (222) [system] _1312188=[o, n]
   Exit: (222) [system] [o, n]=[o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (221) [system] _1298252=[i, o, n]
   Exit: (221) [system] [i, o, n]=[i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (220) [system] _1284316=[t, i, o, n]
   Exit: (220) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (219) [system] _1270380=[a, t, i, o, n]
   Exit: (219) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (218) [system] _1256444=[c, a, t, i, o, n]
   Exit: (218) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (217) [system] _1242508=[i, c, a, t, i, o, n]
   Exit: (217) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (216) [system] _1228572=[l, i, c, a, t, i, o, n]
   Exit: (216) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (215) [system] _1214636=[p, l, i, c, a, t, i, o, n]
   Exit: (215) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (214) [system] _1200700=[m, p, l, i, c, a, t, i, o, n]
   Exit: (214) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (213) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1165190)
^  Call: (214) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1378218)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1379170, _1379172), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1378218), _1379152, fail)), '$restore_trace'(_1379170, _1379172))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1379170, _1379172))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1378218), _1379152, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1378218)
   Fail: (215) [system] atomic(_1378218)
   Call: (215) [system] atom_chars(_1378218, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (215) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (214) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (214) [system] integer('Implication')
   Fail: (214) [system] integer('Implication')
   Call: (214) [system] _1165190='Implication'
   Exit: (214) [system] 'Implication'='Implication'
^  Exit: (213) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (212) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (211) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (211) [user] read_list(')', (0x55772f068e50), _1393168)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1395026)
   Exit: (213) [system] peek_char((0x55772f068e50), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x55772f068e50), _1404620)
   Exit: (213) [system] get_char((0x55772f068e50), ' ')
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1407324)
   Exit: (214) [system] peek_char((0x55772f068e50), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1424258)
   Exit: (212) [system] peek_char((0x55772f068e50), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x55772f068e50), _1429828)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1431686)
   Exit: (214) [system] peek_char((0x55772f068e50), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] get_char((0x55772f068e50), _1447696)
   Exit: (213) [system] get_char((0x55772f068e50), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x55772f068e50), _1429828)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1453266)
   Exit: (215) [system] peek_char((0x55772f068e50), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
   Call: (215) [system] 'A'=(/)
   Fail: (215) [system] 'A'=(/)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1469276)
   Exit: (214) [system] peek_char((0x55772f068e50), 'A')
   Call: (214) [system] 'A'=')'
   Fail: (214) [system] 'A'=')'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _1474846)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1476704)
   Exit: (216) [system] peek_char((0x55772f068e50), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
   Call: (216) [system] 'A'=(/)
   Fail: (216) [system] 'A'=(/)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _1492714)
   Exit: (215) [system] get_char((0x55772f068e50), 'A')
   Call: (215) [system] 'A'='('
   Fail: (215) [system] 'A'='('
   Call: (215) [system] 'A'='['
   Fail: (215) [system] 'A'='['
   Call: (215) [system] 'A'='{'
   Fail: (215) [system] 'A'='{'
   Call: (215) [system] 'A'='"'
   Fail: (215) [system] 'A'='"'
   Call: (215) [system] 'A'=!
   Fail: (215) [system] 'A'=!
   Call: (215) [system] 'A'='\''
   Fail: (215) [system] 'A'='\''
   Call: (215) [system] 'A'='`'
   Fail: (215) [system] 'A'='`'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x55772f068e50), 'A', _1474846)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1510356)
   Call: (217) [system] peek_char((0x55772f068e50), _1511290)
   Exit: (217) [system] peek_char((0x55772f068e50), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1516010, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1516942, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x55772f068e50), n)
   Exit: (217) [system] get_char((0x55772f068e50), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1524292)
   Call: (218) [system] peek_char((0x55772f068e50), _1525226)
   Exit: (218) [system] peek_char((0x55772f068e50), d)
^  Call: (218) [user] is_delimiter(d)
   Call: (219) [system] char_type(d, space)
   Fail: (219) [system] char_type(d, space)
   Call: (219) [system] arg(_1529946, v('(', ')', end_of_file), d)
   Fail: (219) [system] arg(_1530878, v('(', ')', end_of_file), d)
^  Fail: (218) [user] is_delimiter(d)
   Call: (218) [system] ')'==d
   Fail: (218) [system] ')'==d
   Call: (218) [system] get_char((0x55772f068e50), d)
   Exit: (218) [system] get_char((0x55772f068e50), d)
   Call: (218) [system] d=(\)
   Fail: (218) [system] d=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1538228)
   Call: (219) [system] peek_char((0x55772f068e50), _1539162)
   Exit: (219) [system] peek_char((0x55772f068e50), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Fail: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_1543882, v('(', ')', end_of_file), 'L')
   Fail: (220) [system] arg(_1544814, v('(', ')', end_of_file), 'L')
^  Fail: (219) [user] is_delimiter('L')
   Call: (219) [system] ')'=='L'
   Fail: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x55772f068e50), 'L')
   Exit: (219) [system] get_char((0x55772f068e50), 'L')
   Call: (219) [system] 'L'=(\)
   Fail: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1552164)
   Call: (220) [system] peek_char((0x55772f068e50), _1553098)
   Exit: (220) [system] peek_char((0x55772f068e50), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1557818, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1558750, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x55772f068e50), i)
   Exit: (220) [system] get_char((0x55772f068e50), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1566100)
   Call: (221) [system] peek_char((0x55772f068e50), _1567034)
   Exit: (221) [system] peek_char((0x55772f068e50), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1571754, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1572686, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x55772f068e50), n)
   Exit: (221) [system] get_char((0x55772f068e50), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1580036)
   Call: (222) [system] peek_char((0x55772f068e50), _1580970)
   Exit: (222) [system] peek_char((0x55772f068e50), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Fail: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_1585690, v('(', ')', end_of_file), k)
   Fail: (223) [system] arg(_1586622, v('(', ')', end_of_file), k)
^  Fail: (222) [user] is_delimiter(k)
   Call: (222) [system] ')'==k
   Fail: (222) [system] ')'==k
   Call: (222) [system] get_char((0x55772f068e50), k)
   Exit: (222) [system] get_char((0x55772f068e50), k)
   Call: (222) [system] k=(\)
   Fail: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1593972)
   Call: (223) [system] peek_char((0x55772f068e50), _1594906)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1593972=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (222) [system] _1580036=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (221) [system] _1566100=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (220) [system] _1552164=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (219) [system] _1538228=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (218) [system] _1524292=[d, 'L', i, n, k]
   Exit: (218) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (217) [system] _1510356=[n, d, 'L', i, n, k]
   Exit: (217) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (216) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1474846)
^  Call: (217) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1620954)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1621906, _1621908), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1620954), _1621888, fail)), '$restore_trace'(_1621906, _1621908))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1621906, _1621908))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1620954), _1621888, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1620954)
   Fail: (218) [system] atomic(_1620954)
   Call: (218) [system] atom_chars(_1620954, ['A', n, d, 'L', i, n, k])
   Exit: (218) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (217) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (217) [system] integer('AndLink')
   Fail: (217) [system] integer('AndLink')
   Call: (217) [system] _1474846='AndLink'
   Exit: (217) [system] 'AndLink'='AndLink'
^  Exit: (216) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (215) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (214) [user] read_list(')', (0x55772f068e50), _1635904)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1637762)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x55772f068e50), _1647356)
   Exit: (216) [system] get_char((0x55772f068e50), ' ')
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1650060)
   Exit: (217) [system] peek_char((0x55772f068e50), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
   Call: (217) [system] 'A'=(/)
   Fail: (217) [system] 'A'=(/)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1666994)
   Exit: (215) [system] peek_char((0x55772f068e50), 'A')
   Call: (215) [system] 'A'=')'
   Fail: (215) [system] 'A'=')'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x55772f068e50), _1672564)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1674422)
   Exit: (217) [system] peek_char((0x55772f068e50), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
   Call: (217) [system] 'A'=(/)
   Fail: (217) [system] 'A'=(/)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] get_char((0x55772f068e50), _1690432)
   Exit: (216) [system] get_char((0x55772f068e50), 'A')
   Call: (216) [system] 'A'='('
   Fail: (216) [system] 'A'='('
   Call: (216) [system] 'A'='['
   Fail: (216) [system] 'A'='['
   Call: (216) [system] 'A'='{'
   Fail: (216) [system] 'A'='{'
   Call: (216) [system] 'A'='"'
   Fail: (216) [system] 'A'='"'
   Call: (216) [system] 'A'=!
   Fail: (216) [system] 'A'=!
   Call: (216) [system] 'A'='\''
   Fail: (216) [system] 'A'='\''
   Call: (216) [system] 'A'='`'
   Fail: (216) [system] 'A'='`'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x55772f068e50), 'A', _1672564)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1708074)
   Call: (218) [system] peek_char((0x55772f068e50), _1709008)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _1708074=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (217) [user] classify_and_convert_charseq(['A'], _1672564)
^  Call: (218) [user] classify_and_convert_charseq_(['A'], _1718292)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1719244, _1719246), once(user:catch(read_from_chars(['A'], _1718292), _1719226, fail)), '$restore_trace'(_1719244, _1719246))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1719244, _1719246))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1718292), _1719226, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1718292)
   Fail: (219) [system] atomic(_1718292)
   Call: (219) [system] atom_chars(_1718292, ['A'])
   Exit: (219) [system] atom_chars('A', ['A'])
^  Exit: (218) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (218) [system] integer('A')
   Fail: (218) [system] integer('A')
   Call: (218) [system] _1672564='A'
   Exit: (218) [system] 'A'='A'
^  Exit: (217) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (216) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (215) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (215) [user] read_list(')', (0x55772f068e50), _1733242)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1735100)
   Exit: (217) [system] peek_char((0x55772f068e50), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x55772f068e50), _1744694)
   Exit: (217) [system] get_char((0x55772f068e50), ' ')
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1747398)
   Exit: (218) [system] peek_char((0x55772f068e50), 'B')
   Call: (218) [system] 'B'=(;)
   Fail: (218) [system] 'B'=(;)
   Call: (218) [system] 'B'=(/)
   Fail: (218) [system] 'B'=(/)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Fail: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Fail: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Fail: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
   Fail: (219) [system] char_type('B', cntrl)
^  Fail: (218) [user] is_like_space('B')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1764332)
   Exit: (216) [system] peek_char((0x55772f068e50), 'B')
   Call: (216) [system] 'B'=')'
   Fail: (216) [system] 'B'=')'
   Call: (216) [system] 'B'=end_of_file
   Fail: (216) [system] 'B'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x55772f068e50), _1769902)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1771760)
   Exit: (218) [system] peek_char((0x55772f068e50), 'B')
   Call: (218) [system] 'B'=(;)
   Fail: (218) [system] 'B'=(;)
   Call: (218) [system] 'B'=(/)
   Fail: (218) [system] 'B'=(/)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Fail: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Fail: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Fail: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
   Fail: (219) [system] char_type('B', cntrl)
^  Fail: (218) [user] is_like_space('B')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] get_char((0x55772f068e50), _1787770)
   Exit: (217) [system] get_char((0x55772f068e50), 'B')
   Call: (217) [system] 'B'='('
   Fail: (217) [system] 'B'='('
   Call: (217) [system] 'B'='['
   Fail: (217) [system] 'B'='['
   Call: (217) [system] 'B'='{'
   Fail: (217) [system] 'B'='{'
   Call: (217) [system] 'B'='"'
   Fail: (217) [system] 'B'='"'
   Call: (217) [system] 'B'=!
   Fail: (217) [system] 'B'=!
   Call: (217) [system] 'B'='\''
   Fail: (217) [system] 'B'='\''
   Call: (217) [system] 'B'='`'
   Fail: (217) [system] 'B'='`'
   Call: (217) [system] 'B'=end_of_file
   Fail: (217) [system] 'B'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x55772f068e50), 'B', _1769902)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1805412)
   Call: (219) [system] peek_char((0x55772f068e50), _1806346)
   Exit: (219) [system] peek_char((0x55772f068e50), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_1811066, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _1805412=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (218) [user] classify_and_convert_charseq(['B'], _1769902)
^  Call: (219) [user] classify_and_convert_charseq_(['B'], _1817502)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1818454, _1818456), once(user:catch(read_from_chars(['B'], _1817502), _1818436, fail)), '$restore_trace'(_1818454, _1818456))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1818454, _1818456))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1817502), _1818436, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1817502)
   Fail: (220) [system] atomic(_1817502)
   Call: (220) [system] atom_chars(_1817502, ['B'])
   Exit: (220) [system] atom_chars('B', ['B'])
^  Exit: (219) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (219) [system] integer('B')
   Fail: (219) [system] integer('B')
   Call: (219) [system] _1769902='B'
   Exit: (219) [system] 'B'='B'
^  Exit: (218) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (217) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (216) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (216) [user] read_list(')', (0x55772f068e50), _1832452)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1834310)
   Exit: (218) [system] peek_char((0x55772f068e50), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
   Call: (218) [system] ')'=(/)
   Fail: (218) [system] ')'=(/)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1850320)
   Exit: (217) [system] peek_char((0x55772f068e50), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x55772f068e50), _1854110)
   Exit: (217) [system] get_char((0x55772f068e50), ')')
   Call: (217) [system] _1832452=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x55772f068e50), [])
   Call: (216) [system] _1733242=['B']
   Exit: (216) [system] ['B']=['B']
^  Exit: (215) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (215) [system] _1635904=['A', 'B']
   Exit: (215) [system] ['A', 'B']=['A', 'B']
^  Exit: (214) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (214) [system] _1429828=['AndLink', 'A', 'B']
   Exit: (214) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (213) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (212) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (212) [user] read_list(')', (0x55772f068e50), _1867992)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1869850)
   Exit: (214) [system] peek_char((0x55772f068e50), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x55772f068e50), _1879444)
   Exit: (214) [system] get_char((0x55772f068e50), ' ')
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1882148)
   Exit: (215) [system] peek_char((0x55772f068e50), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
   Call: (215) [system] 'C'=(/)
   Fail: (215) [system] 'C'=(/)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1899082)
   Exit: (213) [system] peek_char((0x55772f068e50), 'C')
   Call: (213) [system] 'C'=')'
   Fail: (213) [system] 'C'=')'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _1904652)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1906510)
   Exit: (215) [system] peek_char((0x55772f068e50), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
   Call: (215) [system] 'C'=(/)
   Fail: (215) [system] 'C'=(/)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _1922520)
   Exit: (214) [system] get_char((0x55772f068e50), 'C')
   Call: (214) [system] 'C'='('
   Fail: (214) [system] 'C'='('
   Call: (214) [system] 'C'='['
   Fail: (214) [system] 'C'='['
   Call: (214) [system] 'C'='{'
   Fail: (214) [system] 'C'='{'
   Call: (214) [system] 'C'='"'
   Fail: (214) [system] 'C'='"'
   Call: (214) [system] 'C'=!
   Fail: (214) [system] 'C'=!
   Call: (214) [system] 'C'='\''
   Fail: (214) [system] 'C'='\''
   Call: (214) [system] 'C'='`'
   Fail: (214) [system] 'C'='`'
   Call: (214) [system] 'C'=end_of_file
   Fail: (214) [system] 'C'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x55772f068e50), 'C', _1904652)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1940162)
   Call: (216) [system] peek_char((0x55772f068e50), _1941096)
   Exit: (216) [system] peek_char((0x55772f068e50), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_1945816, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _1940162=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (215) [user] classify_and_convert_charseq(['C'], _1904652)
^  Call: (216) [user] classify_and_convert_charseq_(['C'], _1952252)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1953204, _1953206), once(user:catch(read_from_chars(['C'], _1952252), _1953186, fail)), '$restore_trace'(_1953204, _1953206))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1953204, _1953206))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1952252), _1953186, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1952252)
   Fail: (217) [system] atomic(_1952252)
   Call: (217) [system] atom_chars(_1952252, ['C'])
   Exit: (217) [system] atom_chars('C', ['C'])
^  Exit: (216) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (216) [system] integer('C')
   Fail: (216) [system] integer('C')
   Call: (216) [system] _1904652='C'
   Exit: (216) [system] 'C'='C'
^  Exit: (215) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (214) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (213) [user] read_list(')', (0x55772f068e50), _1967202)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1969060)
   Exit: (215) [system] peek_char((0x55772f068e50), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1985070)
   Exit: (214) [system] peek_char((0x55772f068e50), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x55772f068e50), _1988860)
   Exit: (214) [system] get_char((0x55772f068e50), ')')
   Call: (214) [system] _1967202=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x55772f068e50), [])
   Call: (213) [system] _1867992=['C']
   Exit: (213) [system] ['C']=['C']
^  Exit: (212) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (212) [system] _1393168=[['AndLink', 'A', 'B'], 'C']
   Exit: (212) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (211) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (211) [system] _1120172=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (211) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (210) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (209) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (209) [user] read_list(')', (0x55772f068e50), _2002742)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _2004600)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x55772f068e50), _2014194)
   Exit: (211) [system] get_char((0x55772f068e50), ' ')
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _2016898)
   Exit: (212) [system] peek_char((0x55772f068e50), 'A')
   Call: (212) [system] 'A'=(;)
   Fail: (212) [system] 'A'=(;)
   Call: (212) [system] 'A'=(/)
   Fail: (212) [system] 'A'=(/)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Fail: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Fail: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Fail: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
   Fail: (213) [system] char_type('A', cntrl)
^  Fail: (212) [user] is_like_space('A')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _2033832)
   Exit: (210) [system] peek_char((0x55772f068e50), 'A')
   Call: (210) [system] 'A'=')'
   Fail: (210) [system] 'A'=')'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x55772f068e50), _2039402)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _2041260)
   Exit: (212) [system] peek_char((0x55772f068e50), 'A')
   Call: (212) [system] 'A'=(;)
   Fail: (212) [system] 'A'=(;)
   Call: (212) [system] 'A'=(/)
   Fail: (212) [system] 'A'=(/)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Fail: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Fail: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Fail: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
   Fail: (213) [system] char_type('A', cntrl)
^  Fail: (212) [user] is_like_space('A')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] get_char((0x55772f068e50), _2057270)
   Exit: (211) [system] get_char((0x55772f068e50), 'A')
   Call: (211) [system] 'A'='('
   Fail: (211) [system] 'A'='('
   Call: (211) [system] 'A'='['
   Fail: (211) [system] 'A'='['
   Call: (211) [system] 'A'='{'
   Fail: (211) [system] 'A'='{'
   Call: (211) [system] 'A'='"'
   Fail: (211) [system] 'A'='"'
   Call: (211) [system] 'A'=!
   Fail: (211) [system] 'A'=!
   Call: (211) [system] 'A'='\''
   Fail: (211) [system] 'A'='\''
   Call: (211) [system] 'A'='`'
   Fail: (211) [system] 'A'='`'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x55772f068e50), 'A', _2039402)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _2074912)
   Call: (213) [system] peek_char((0x55772f068e50), _2075846)
   Exit: (213) [system] peek_char((0x55772f068e50), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_2080566, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _2074912=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (212) [user] classify_and_convert_charseq(['A'], _2039402)
^  Call: (213) [user] classify_and_convert_charseq_(['A'], _2087002)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_2087954, _2087956), once(user:catch(read_from_chars(['A'], _2087002), _2087936, fail)), '$restore_trace'(_2087954, _2087956))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_2087954, _2087956))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _2087002), _2087936, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_2087002)
   Fail: (214) [system] atomic(_2087002)
   Call: (214) [system] atom_chars(_2087002, ['A'])
   Exit: (214) [system] atom_chars('A', ['A'])
^  Exit: (213) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (213) [system] integer('A')
   Fail: (213) [system] integer('A')
   Call: (213) [system] _4106='A'
   Exit: (213) [system] 'A'='A'
^  Exit: (212) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (211) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (210) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (210) [user] read_list(')', (0x55772f068e50), _9346)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _11204)
   Exit: (212) [system] peek_char((0x55772f068e50), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _27214)
   Exit: (211) [system] peek_char((0x55772f068e50), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x55772f068e50), _31004)
   Exit: (211) [system] get_char((0x55772f068e50), ')')
   Call: (211) [system] _9346=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x55772f068e50), [])
   Call: (210) [system] _4102=['A']
   Exit: (210) [system] ['A']=['A']
^  Exit: (209) [user] read_list(')', (0x55772f068e50), ['A'])
   Call: (209) [system] _4060=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (209) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (208) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
   Call: (208) [system] _4052=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (208) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (207) [user] read_list(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Exit: (206) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Call: (206) [user] read_list(')', (0x55772f068e50), _44886)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _46744)
   Exit: (208) [system] peek_char((0x55772f068e50), ')')
   Call: (208) [system] ')'=(;)
   Fail: (208) [system] ')'=(;)
   Call: (208) [system] ')'=(/)
   Fail: (208) [system] ')'=(/)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Fail: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Fail: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
   Fail: (209) [system] char_type(')', cntrl)
^  Fail: (208) [user] is_like_space(')')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _62754)
   Exit: (207) [system] peek_char((0x55772f068e50), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x55772f068e50), _66544)
   Exit: (207) [system] get_char((0x55772f068e50), ')')
   Call: (207) [system] _44886=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x55772f068e50), [])
   Call: (206) [system] _4048=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (206) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (205) [user] read_list(')', (0x55772f068e50), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (205) [system] _4024=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (205) [system] [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (204) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (204) [system] _4016=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (204) [system] [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (203) [user] read_list(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Exit: (202) [user] cont_sexpr(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Call: (202) [user] read_list(')', (0x55772f068e50), _80426)
^  Call: (203) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _82284)
   Exit: (204) [system] peek_char((0x55772f068e50), '\n')
   Call: (204) [system] '\n'=(;)
   Fail: (204) [system] '\n'=(;)
   Call: (204) [system] '\n'=(/)
   Fail: (204) [system] '\n'=(/)
^  Call: (204) [user] is_like_space('\n')
   Call: (205) [system] char_type('\n', 'white')
   Fail: (205) [system] char_type('\n', 'white')
   Call: (205) [system] char_type('\n', end_of_line)
   Exit: (205) [system] char_type('\n', end_of_line)
^  Exit: (204) [user] is_like_space('\n')
   Call: (204) [system] get_char((0x55772f068e50), _93734)
   Exit: (204) [system] get_char((0x55772f068e50), '\n')
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _96438)
   Exit: (205) [system] peek_char((0x55772f068e50), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x55772f068e50), _106032)
   Exit: (205) [system] get_char((0x55772f068e50), ' ')
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _108736)
   Exit: (206) [system] peek_char((0x55772f068e50), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
^  Exit: (203) [user] skip_spaces((0x55772f068e50))
   Call: (203) [system] peek_char((0x55772f068e50), _126594)
   Exit: (203) [system] peek_char((0x55772f068e50), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x55772f068e50), _132164)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _134022)
   Exit: (205) [system] peek_char((0x55772f068e50), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] get_char((0x55772f068e50), _150032)
   Exit: (204) [system] get_char((0x55772f068e50), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x55772f068e50), _132164)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _155602)
   Exit: (206) [system] peek_char((0x55772f068e50), :)
   Call: (206) [system] (:)=(;)
   Fail: (206) [system] (:)=(;)
   Call: (206) [system] (:)=(/)
   Fail: (206) [system] (:)=(/)
^  Call: (206) [user] is_like_space(:)
   Call: (207) [system] char_type(:, 'white')
   Fail: (207) [system] char_type(:, 'white')
   Call: (207) [system] char_type(:, end_of_line)
   Fail: (207) [system] char_type(:, end_of_line)
   Call: (207) [system] char_type(:, space)
   Fail: (207) [system] char_type(:, space)
   Call: (207) [system] char_type(:, cntrl)
   Fail: (207) [system] char_type(:, cntrl)
^  Fail: (206) [user] is_like_space(:)
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _171612)
   Exit: (205) [system] peek_char((0x55772f068e50), :)
   Call: (205) [system] (:)=')'
   Fail: (205) [system] (:)=')'
   Call: (205) [system] (:)=end_of_file
   Fail: (205) [system] (:)=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x55772f068e50), _177182)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _179040)
   Exit: (207) [system] peek_char((0x55772f068e50), :)
   Call: (207) [system] (:)=(;)
   Fail: (207) [system] (:)=(;)
   Call: (207) [system] (:)=(/)
   Fail: (207) [system] (:)=(/)
^  Call: (207) [user] is_like_space(:)
   Call: (208) [system] char_type(:, 'white')
   Fail: (208) [system] char_type(:, 'white')
   Call: (208) [system] char_type(:, end_of_line)
   Fail: (208) [system] char_type(:, end_of_line)
   Call: (208) [system] char_type(:, space)
   Fail: (208) [system] char_type(:, space)
   Call: (208) [system] char_type(:, cntrl)
   Fail: (208) [system] char_type(:, cntrl)
^  Fail: (207) [user] is_like_space(:)
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] get_char((0x55772f068e50), _195050)
   Exit: (206) [system] get_char((0x55772f068e50), :)
   Call: (206) [system] (:)='('
   Fail: (206) [system] (:)='('
   Call: (206) [system] (:)='['
   Fail: (206) [system] (:)='['
   Call: (206) [system] (:)='{'
   Fail: (206) [system] (:)='{'
   Call: (206) [system] (:)='"'
   Fail: (206) [system] (:)='"'
   Call: (206) [system] (:)=!
   Fail: (206) [system] (:)=!
   Call: (206) [system] (:)='\''
   Fail: (206) [system] (:)='\''
   Call: (206) [system] (:)='`'
   Fail: (206) [system] (:)='`'
   Call: (206) [system] (:)=end_of_file
   Fail: (206) [system] (:)=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x55772f068e50), :, _177182)
^  Call: (207) [user] read_symbolic_cont(')', (0x55772f068e50), _212692)
   Call: (208) [system] peek_char((0x55772f068e50), _213626)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _212692=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (207) [user] classify_and_convert_charseq([:], _177182)
^  Call: (208) [user] classify_and_convert_charseq_([:], _222910)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_223862, _223864), once(user:catch(read_from_chars([:], _222910), _223844, fail)), '$restore_trace'(_223862, _223864))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_223862, _223864))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _223844, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(:)
   Exit: (209) [system] atomic(:)
^  Exit: (208) [user] classify_and_convert_charseq_([:], :)
   Call: (208) [system] integer(:)
   Fail: (208) [system] integer(:)
   Call: (208) [system] _177182=(:)
   Exit: (208) [system] (:)=(:)
^  Exit: (207) [user] classify_and_convert_charseq([:], :)
^  Exit: (206) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (205) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (205) [user] read_list(')', (0x55772f068e50), _235990)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _237848)
   Exit: (207) [system] peek_char((0x55772f068e50), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x55772f068e50), _247442)
   Exit: (207) [system] get_char((0x55772f068e50), ' ')
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _250146)
   Exit: (208) [system] peek_char((0x55772f068e50), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _267080)
   Exit: (206) [system] peek_char((0x55772f068e50), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x55772f068e50), _272650)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _274508)
   Exit: (208) [system] peek_char((0x55772f068e50), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] get_char((0x55772f068e50), _290518)
   Exit: (207) [system] get_char((0x55772f068e50), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x55772f068e50), _272650)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _296088)
   Exit: (209) [system] peek_char((0x55772f068e50), 'D')
   Call: (209) [system] 'D'=(;)
   Fail: (209) [system] 'D'=(;)
   Call: (209) [system] 'D'=(/)
   Fail: (209) [system] 'D'=(/)
^  Call: (209) [user] is_like_space('D')
   Call: (210) [system] char_type('D', 'white')
   Fail: (210) [system] char_type('D', 'white')
   Call: (210) [system] char_type('D', end_of_line)
   Fail: (210) [system] char_type('D', end_of_line)
   Call: (210) [system] char_type('D', space)
   Fail: (210) [system] char_type('D', space)
   Call: (210) [system] char_type('D', cntrl)
   Fail: (210) [system] char_type('D', cntrl)
^  Fail: (209) [user] is_like_space('D')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _312098)
   Exit: (208) [system] peek_char((0x55772f068e50), 'D')
   Call: (208) [system] 'D'=')'
   Fail: (208) [system] 'D'=')'
   Call: (208) [system] 'D'=end_of_file
   Fail: (208) [system] 'D'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x55772f068e50), _317668)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _319526)
   Exit: (210) [system] peek_char((0x55772f068e50), 'D')
   Call: (210) [system] 'D'=(;)
   Fail: (210) [system] 'D'=(;)
   Call: (210) [system] 'D'=(/)
   Fail: (210) [system] 'D'=(/)
^  Call: (210) [user] is_like_space('D')
   Call: (211) [system] char_type('D', 'white')
   Fail: (211) [system] char_type('D', 'white')
   Call: (211) [system] char_type('D', end_of_line)
   Fail: (211) [system] char_type('D', end_of_line)
   Call: (211) [system] char_type('D', space)
   Fail: (211) [system] char_type('D', space)
   Call: (211) [system] char_type('D', cntrl)
   Fail: (211) [system] char_type('D', cntrl)
^  Fail: (210) [user] is_like_space('D')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] get_char((0x55772f068e50), _335536)
   Exit: (209) [system] get_char((0x55772f068e50), 'D')
   Call: (209) [system] 'D'='('
   Fail: (209) [system] 'D'='('
   Call: (209) [system] 'D'='['
   Fail: (209) [system] 'D'='['
   Call: (209) [system] 'D'='{'
   Fail: (209) [system] 'D'='{'
   Call: (209) [system] 'D'='"'
   Fail: (209) [system] 'D'='"'
   Call: (209) [system] 'D'=!
   Fail: (209) [system] 'D'=!
   Call: (209) [system] 'D'='\''
   Fail: (209) [system] 'D'='\''
   Call: (209) [system] 'D'='`'
   Fail: (209) [system] 'D'='`'
   Call: (209) [system] 'D'=end_of_file
   Fail: (209) [system] 'D'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x55772f068e50), 'D', _317668)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _353178)
   Call: (211) [system] peek_char((0x55772f068e50), _354112)
   Exit: (211) [system] peek_char((0x55772f068e50), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_358832, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_359764, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x55772f068e50), i)
   Exit: (211) [system] get_char((0x55772f068e50), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _367114)
   Call: (212) [system] peek_char((0x55772f068e50), _368048)
   Exit: (212) [system] peek_char((0x55772f068e50), s)
^  Call: (212) [user] is_delimiter(s)
   Call: (213) [system] char_type(s, space)
   Fail: (213) [system] char_type(s, space)
   Call: (213) [system] arg(_372768, v('(', ')', end_of_file), s)
   Fail: (213) [system] arg(_373700, v('(', ')', end_of_file), s)
^  Fail: (212) [user] is_delimiter(s)
   Call: (212) [system] ')'==s
   Fail: (212) [system] ')'==s
   Call: (212) [system] get_char((0x55772f068e50), s)
   Exit: (212) [system] get_char((0x55772f068e50), s)
   Call: (212) [system] s=(\)
   Fail: (212) [system] s=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _381050)
   Call: (213) [system] peek_char((0x55772f068e50), _381984)
   Exit: (213) [system] peek_char((0x55772f068e50), j)
^  Call: (213) [user] is_delimiter(j)
   Call: (214) [system] char_type(j, space)
   Fail: (214) [system] char_type(j, space)
   Call: (214) [system] arg(_386704, v('(', ')', end_of_file), j)
   Fail: (214) [system] arg(_387636, v('(', ')', end_of_file), j)
^  Fail: (213) [user] is_delimiter(j)
   Call: (213) [system] ')'==j
   Fail: (213) [system] ')'==j
   Call: (213) [system] get_char((0x55772f068e50), j)
   Exit: (213) [system] get_char((0x55772f068e50), j)
   Call: (213) [system] j=(\)
   Fail: (213) [system] j=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _394986)
   Call: (214) [system] peek_char((0x55772f068e50), _395920)
   Exit: (214) [system] peek_char((0x55772f068e50), u)
^  Call: (214) [user] is_delimiter(u)
   Call: (215) [system] char_type(u, space)
   Fail: (215) [system] char_type(u, space)
   Call: (215) [system] arg(_400640, v('(', ')', end_of_file), u)
   Fail: (215) [system] arg(_401572, v('(', ')', end_of_file), u)
^  Fail: (214) [user] is_delimiter(u)
   Call: (214) [system] ')'==u
   Fail: (214) [system] ')'==u
   Call: (214) [system] get_char((0x55772f068e50), u)
   Exit: (214) [system] get_char((0x55772f068e50), u)
   Call: (214) [system] u=(\)
   Fail: (214) [system] u=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _408922)
   Call: (215) [system] peek_char((0x55772f068e50), _409856)
   Exit: (215) [system] peek_char((0x55772f068e50), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_414576, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_415508, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x55772f068e50), n)
   Exit: (215) [system] get_char((0x55772f068e50), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _422858)
   Call: (216) [system] peek_char((0x55772f068e50), _423792)
   Exit: (216) [system] peek_char((0x55772f068e50), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_428512, v('(', ')', end_of_file), c)
   Fail: (217) [system] arg(_429444, v('(', ')', end_of_file), c)
^  Fail: (216) [user] is_delimiter(c)
   Call: (216) [system] ')'==c
   Fail: (216) [system] ')'==c
   Call: (216) [system] get_char((0x55772f068e50), c)
   Exit: (216) [system] get_char((0x55772f068e50), c)
   Call: (216) [system] c=(\)
   Fail: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _436794)
   Call: (217) [system] peek_char((0x55772f068e50), _437728)
   Exit: (217) [system] peek_char((0x55772f068e50), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Fail: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_442448, v('(', ')', end_of_file), t)
   Fail: (218) [system] arg(_443380, v('(', ')', end_of_file), t)
^  Fail: (217) [user] is_delimiter(t)
   Call: (217) [system] ')'==t
   Fail: (217) [system] ')'==t
   Call: (217) [system] get_char((0x55772f068e50), t)
   Exit: (217) [system] get_char((0x55772f068e50), t)
   Call: (217) [system] t=(\)
   Fail: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _450730)
   Call: (218) [system] peek_char((0x55772f068e50), _451664)
   Exit: (218) [system] peek_char((0x55772f068e50), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_456384, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_457316, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x55772f068e50), i)
   Exit: (218) [system] get_char((0x55772f068e50), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _464666)
   Call: (219) [system] peek_char((0x55772f068e50), _465600)
   Exit: (219) [system] peek_char((0x55772f068e50), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Fail: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_470320, v('(', ')', end_of_file), o)
   Fail: (220) [system] arg(_471252, v('(', ')', end_of_file), o)
^  Fail: (219) [user] is_delimiter(o)
   Call: (219) [system] ')'==o
   Fail: (219) [system] ')'==o
   Call: (219) [system] get_char((0x55772f068e50), o)
   Exit: (219) [system] get_char((0x55772f068e50), o)
   Call: (219) [system] o=(\)
   Fail: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _478602)
   Call: (220) [system] peek_char((0x55772f068e50), _479536)
   Exit: (220) [system] peek_char((0x55772f068e50), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_484256, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_485188, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x55772f068e50), n)
   Exit: (220) [system] get_char((0x55772f068e50), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _492538)
   Call: (221) [system] peek_char((0x55772f068e50), _493472)
   Exit: (221) [system] peek_char((0x55772f068e50), 'I')
^  Call: (221) [user] is_delimiter('I')
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] arg(_498192, v('(', ')', end_of_file), 'I')
   Fail: (222) [system] arg(_499124, v('(', ')', end_of_file), 'I')
^  Fail: (221) [user] is_delimiter('I')
   Call: (221) [system] ')'=='I'
   Fail: (221) [system] ')'=='I'
   Call: (221) [system] get_char((0x55772f068e50), 'I')
   Exit: (221) [system] get_char((0x55772f068e50), 'I')
   Call: (221) [system] 'I'=(\)
   Fail: (221) [system] 'I'=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _506474)
   Call: (222) [system] peek_char((0x55772f068e50), _507408)
   Exit: (222) [system] peek_char((0x55772f068e50), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_512128, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_513060, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x55772f068e50), n)
   Exit: (222) [system] get_char((0x55772f068e50), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _520410)
   Call: (223) [system] peek_char((0x55772f068e50), _521344)
   Exit: (223) [system] peek_char((0x55772f068e50), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Fail: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_526064, v('(', ')', end_of_file), t)
   Fail: (224) [system] arg(_526996, v('(', ')', end_of_file), t)
^  Fail: (223) [user] is_delimiter(t)
   Call: (223) [system] ')'==t
   Fail: (223) [system] ')'==t
   Call: (223) [system] get_char((0x55772f068e50), t)
   Exit: (223) [system] get_char((0x55772f068e50), t)
   Call: (223) [system] t=(\)
   Fail: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _534346)
   Call: (224) [system] peek_char((0x55772f068e50), _535280)
   Exit: (224) [system] peek_char((0x55772f068e50), r)
^  Call: (224) [user] is_delimiter(r)
   Call: (225) [system] char_type(r, space)
   Fail: (225) [system] char_type(r, space)
   Call: (225) [system] arg(_540000, v('(', ')', end_of_file), r)
   Fail: (225) [system] arg(_540932, v('(', ')', end_of_file), r)
^  Fail: (224) [user] is_delimiter(r)
   Call: (224) [system] ')'==r
   Fail: (224) [system] ')'==r
   Call: (224) [system] get_char((0x55772f068e50), r)
   Exit: (224) [system] get_char((0x55772f068e50), r)
   Call: (224) [system] r=(\)
   Fail: (224) [system] r=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _548282)
   Call: (225) [system] peek_char((0x55772f068e50), _549216)
   Exit: (225) [system] peek_char((0x55772f068e50), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Fail: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_553936, v('(', ')', end_of_file), o)
   Fail: (226) [system] arg(_554868, v('(', ')', end_of_file), o)
^  Fail: (225) [user] is_delimiter(o)
   Call: (225) [system] ')'==o
   Fail: (225) [system] ')'==o
   Call: (225) [system] get_char((0x55772f068e50), o)
   Exit: (225) [system] get_char((0x55772f068e50), o)
   Call: (225) [system] o=(\)
   Fail: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _562218)
   Call: (226) [system] peek_char((0x55772f068e50), _563152)
   Exit: (226) [system] peek_char((0x55772f068e50), d)
^  Call: (226) [user] is_delimiter(d)
   Call: (227) [system] char_type(d, space)
   Fail: (227) [system] char_type(d, space)
   Call: (227) [system] arg(_567872, v('(', ')', end_of_file), d)
   Fail: (227) [system] arg(_568804, v('(', ')', end_of_file), d)
^  Fail: (226) [user] is_delimiter(d)
   Call: (226) [system] ')'==d
   Fail: (226) [system] ')'==d
   Call: (226) [system] get_char((0x55772f068e50), d)
   Exit: (226) [system] get_char((0x55772f068e50), d)
   Call: (226) [system] d=(\)
   Fail: (226) [system] d=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _576154)
   Call: (227) [system] peek_char((0x55772f068e50), _577088)
   Exit: (227) [system] peek_char((0x55772f068e50), u)
^  Call: (227) [user] is_delimiter(u)
   Call: (228) [system] char_type(u, space)
   Fail: (228) [system] char_type(u, space)
   Call: (228) [system] arg(_581808, v('(', ')', end_of_file), u)
   Fail: (228) [system] arg(_582740, v('(', ')', end_of_file), u)
^  Fail: (227) [user] is_delimiter(u)
   Call: (227) [system] ')'==u
   Fail: (227) [system] ')'==u
   Call: (227) [system] get_char((0x55772f068e50), u)
   Exit: (227) [system] get_char((0x55772f068e50), u)
   Call: (227) [system] u=(\)
   Fail: (227) [system] u=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _590090)
   Call: (228) [system] peek_char((0x55772f068e50), _591024)
   Exit: (228) [system] peek_char((0x55772f068e50), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_595744, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_596676, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x55772f068e50), c)
   Exit: (228) [system] get_char((0x55772f068e50), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _604026)
   Call: (229) [system] peek_char((0x55772f068e50), _604960)
   Exit: (229) [system] peek_char((0x55772f068e50), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_609680, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_610612, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x55772f068e50), t)
   Exit: (229) [system] get_char((0x55772f068e50), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _617962)
   Call: (230) [system] peek_char((0x55772f068e50), _618896)
   Exit: (230) [system] peek_char((0x55772f068e50), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_623616, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_624548, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x55772f068e50), i)
   Exit: (230) [system] get_char((0x55772f068e50), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _631898)
   Call: (231) [system] peek_char((0x55772f068e50), _632832)
   Exit: (231) [system] peek_char((0x55772f068e50), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_637552, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_638484, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x55772f068e50), o)
   Exit: (231) [system] get_char((0x55772f068e50), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _645834)
   Call: (232) [system] peek_char((0x55772f068e50), _646768)
   Exit: (232) [system] peek_char((0x55772f068e50), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_651488, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_652420, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x55772f068e50), n)
   Exit: (232) [system] get_char((0x55772f068e50), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _659770)
   Call: (233) [system] peek_char((0x55772f068e50), _660704)
   Exit: (233) [system] peek_char((0x55772f068e50), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _659770=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (232) [system] _645834=[n]
   Exit: (232) [system] [n]=[n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (231) [system] _631898=[o, n]
   Exit: (231) [system] [o, n]=[o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (230) [system] _617962=[i, o, n]
   Exit: (230) [system] [i, o, n]=[i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (229) [system] _604026=[t, i, o, n]
   Exit: (229) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (228) [system] _590090=[c, t, i, o, n]
   Exit: (228) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (227) [system] _576154=[u, c, t, i, o, n]
   Exit: (227) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (226) [system] _562218=[d, u, c, t, i, o, n]
   Exit: (226) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (225) [system] _548282=[o, d, u, c, t, i, o, n]
   Exit: (225) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (224) [system] _534346=[r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _520410=[t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _506474=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _492538=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _478602=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _464666=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _450730=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _436794=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _422858=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _408922=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _394986=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _381050=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _367114=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _353178=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (210) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _317668)
^  Call: (211) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _731456)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_732408, _732410), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _731456), _732390, fail)), '$restore_trace'(_732408, _732410))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_732408, _732410))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _731456), _732390, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_731456)
   Fail: (212) [system] atomic(_731456)
   Call: (212) [system] atom_chars(_731456, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (212) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (211) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (211) [system] integer('DisjunctionIntroduction')
   Fail: (211) [system] integer('DisjunctionIntroduction')
   Call: (211) [system] _317668='DisjunctionIntroduction'
   Exit: (211) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (210) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (209) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (208) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (208) [user] read_list(')', (0x55772f068e50), _746406)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _748264)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x55772f068e50), _757858)
   Exit: (210) [system] get_char((0x55772f068e50), ' ')
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _760562)
   Exit: (211) [system] peek_char((0x55772f068e50), a)
   Call: (211) [system] a=(;)
   Fail: (211) [system] a=(;)
   Call: (211) [system] a=(/)
   Fail: (211) [system] a=(/)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Fail: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Fail: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
   Fail: (212) [system] char_type(a, cntrl)
^  Fail: (211) [user] is_like_space(a)
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _777496)
   Exit: (209) [system] peek_char((0x55772f068e50), a)
   Call: (209) [system] a=')'
   Fail: (209) [system] a=')'
   Call: (209) [system] a=end_of_file
   Fail: (209) [system] a=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x55772f068e50), _783066)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _784924)
   Exit: (211) [system] peek_char((0x55772f068e50), a)
   Call: (211) [system] a=(;)
   Fail: (211) [system] a=(;)
   Call: (211) [system] a=(/)
   Fail: (211) [system] a=(/)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Fail: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Fail: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
   Fail: (212) [system] char_type(a, cntrl)
^  Fail: (211) [user] is_like_space(a)
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] get_char((0x55772f068e50), _800934)
   Exit: (210) [system] get_char((0x55772f068e50), a)
   Call: (210) [system] a='('
   Fail: (210) [system] a='('
   Call: (210) [system] a='['
   Fail: (210) [system] a='['
   Call: (210) [system] a='{'
   Fail: (210) [system] a='{'
   Call: (210) [system] a='"'
   Fail: (210) [system] a='"'
   Call: (210) [system] a=!
   Fail: (210) [system] a=!
   Call: (210) [system] a='\''
   Fail: (210) [system] a='\''
   Call: (210) [system] a='`'
   Fail: (210) [system] a='`'
   Call: (210) [system] a=end_of_file
   Fail: (210) [system] a=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x55772f068e50), a, _783066)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _818576)
   Call: (212) [system] peek_char((0x55772f068e50), _819510)
   Exit: (212) [system] peek_char((0x55772f068e50), b)
^  Call: (212) [user] is_delimiter(b)
   Call: (213) [system] char_type(b, space)
   Fail: (213) [system] char_type(b, space)
   Call: (213) [system] arg(_824230, v('(', ')', end_of_file), b)
   Fail: (213) [system] arg(_825162, v('(', ')', end_of_file), b)
^  Fail: (212) [user] is_delimiter(b)
   Call: (212) [system] ')'==b
   Fail: (212) [system] ')'==b
   Call: (212) [system] get_char((0x55772f068e50), b)
   Exit: (212) [system] get_char((0x55772f068e50), b)
   Call: (212) [system] b=(\)
   Fail: (212) [system] b=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _832512)
   Call: (213) [system] peek_char((0x55772f068e50), _833446)
   Exit: (213) [system] peek_char((0x55772f068e50), c)
^  Call: (213) [user] is_delimiter(c)
   Call: (214) [system] char_type(c, space)
   Fail: (214) [system] char_type(c, space)
   Call: (214) [system] arg(_838166, v('(', ')', end_of_file), c)
   Fail: (214) [system] arg(_839098, v('(', ')', end_of_file), c)
^  Fail: (213) [user] is_delimiter(c)
   Call: (213) [system] ')'==c
   Fail: (213) [system] ')'==c
   Call: (213) [system] get_char((0x55772f068e50), c)
   Exit: (213) [system] get_char((0x55772f068e50), c)
   Call: (213) [system] c=(\)
   Fail: (213) [system] c=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _846448)
   Call: (214) [system] peek_char((0x55772f068e50), _847382)
   Exit: (214) [system] peek_char((0x55772f068e50), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _846448=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (213) [system] _832512=[c]
   Exit: (213) [system] [c]=[c]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (212) [system] _818576=[b, c]
   Exit: (212) [system] [b, c]=[b, c]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (211) [user] classify_and_convert_charseq([a, b, c], _783066)
^  Call: (212) [user] classify_and_convert_charseq_([a, b, c], _862254)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_863206, _863208), once(user:catch(read_from_chars([a, b, c], _862254), _863188, fail)), '$restore_trace'(_863206, _863208))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_863206, _863208))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _863188, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(abc)
   Exit: (213) [system] atomic(abc)
^  Exit: (212) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (212) [system] integer(abc)
   Fail: (212) [system] integer(abc)
   Call: (212) [system] _783066=abc
   Exit: (212) [system] abc=abc
^  Exit: (211) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (210) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (209) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (209) [user] read_list(')', (0x55772f068e50), _875334)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _877192)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x55772f068e50), _886786)
   Exit: (211) [system] get_char((0x55772f068e50), ' ')
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _889490)
   Exit: (212) [system] peek_char((0x55772f068e50), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _906424)
   Exit: (210) [system] peek_char((0x55772f068e50), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x55772f068e50), _911994)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _913852)
   Exit: (212) [system] peek_char((0x55772f068e50), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] get_char((0x55772f068e50), _929862)
   Exit: (211) [system] get_char((0x55772f068e50), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x55772f068e50), _911994)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _935432)
   Exit: (213) [system] peek_char((0x55772f068e50), 'D')
   Call: (213) [system] 'D'=(;)
   Fail: (213) [system] 'D'=(;)
   Call: (213) [system] 'D'=(/)
   Fail: (213) [system] 'D'=(/)
^  Call: (213) [user] is_like_space('D')
   Call: (214) [system] char_type('D', 'white')
   Fail: (214) [system] char_type('D', 'white')
   Call: (214) [system] char_type('D', end_of_line)
   Fail: (214) [system] char_type('D', end_of_line)
   Call: (214) [system] char_type('D', space)
   Fail: (214) [system] char_type('D', space)
   Call: (214) [system] char_type('D', cntrl)
   Fail: (214) [system] char_type('D', cntrl)
^  Fail: (213) [user] is_like_space('D')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _951442)
   Exit: (212) [system] peek_char((0x55772f068e50), 'D')
   Call: (212) [system] 'D'=')'
   Fail: (212) [system] 'D'=')'
   Call: (212) [system] 'D'=end_of_file
   Fail: (212) [system] 'D'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x55772f068e50), _957012)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _958870)
   Exit: (214) [system] peek_char((0x55772f068e50), 'D')
   Call: (214) [system] 'D'=(;)
   Fail: (214) [system] 'D'=(;)
   Call: (214) [system] 'D'=(/)
   Fail: (214) [system] 'D'=(/)
^  Call: (214) [user] is_like_space('D')
   Call: (215) [system] char_type('D', 'white')
   Fail: (215) [system] char_type('D', 'white')
   Call: (215) [system] char_type('D', end_of_line)
   Fail: (215) [system] char_type('D', end_of_line)
   Call: (215) [system] char_type('D', space)
   Fail: (215) [system] char_type('D', space)
   Call: (215) [system] char_type('D', cntrl)
   Fail: (215) [system] char_type('D', cntrl)
^  Fail: (214) [user] is_like_space('D')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] get_char((0x55772f068e50), _974880)
   Exit: (213) [system] get_char((0x55772f068e50), 'D')
   Call: (213) [system] 'D'='('
   Fail: (213) [system] 'D'='('
   Call: (213) [system] 'D'='['
   Fail: (213) [system] 'D'='['
   Call: (213) [system] 'D'='{'
   Fail: (213) [system] 'D'='{'
   Call: (213) [system] 'D'='"'
   Fail: (213) [system] 'D'='"'
   Call: (213) [system] 'D'=!
   Fail: (213) [system] 'D'=!
   Call: (213) [system] 'D'='\''
   Fail: (213) [system] 'D'='\''
   Call: (213) [system] 'D'='`'
   Fail: (213) [system] 'D'='`'
   Call: (213) [system] 'D'=end_of_file
   Fail: (213) [system] 'D'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x55772f068e50), 'D', _957012)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _992522)
   Call: (215) [system] peek_char((0x55772f068e50), _993456)
   Exit: (215) [system] peek_char((0x55772f068e50), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_998176, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_999108, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x55772f068e50), i)
   Exit: (215) [system] get_char((0x55772f068e50), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1006458)
   Call: (216) [system] peek_char((0x55772f068e50), _1007392)
   Exit: (216) [system] peek_char((0x55772f068e50), s)
^  Call: (216) [user] is_delimiter(s)
   Call: (217) [system] char_type(s, space)
   Fail: (217) [system] char_type(s, space)
   Call: (217) [system] arg(_1012112, v('(', ')', end_of_file), s)
   Fail: (217) [system] arg(_1013044, v('(', ')', end_of_file), s)
^  Fail: (216) [user] is_delimiter(s)
   Call: (216) [system] ')'==s
   Fail: (216) [system] ')'==s
   Call: (216) [system] get_char((0x55772f068e50), s)
   Exit: (216) [system] get_char((0x55772f068e50), s)
   Call: (216) [system] s=(\)
   Fail: (216) [system] s=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1020394)
   Call: (217) [system] peek_char((0x55772f068e50), _1021328)
   Exit: (217) [system] peek_char((0x55772f068e50), j)
^  Call: (217) [user] is_delimiter(j)
   Call: (218) [system] char_type(j, space)
   Fail: (218) [system] char_type(j, space)
   Call: (218) [system] arg(_1026048, v('(', ')', end_of_file), j)
   Fail: (218) [system] arg(_1026980, v('(', ')', end_of_file), j)
^  Fail: (217) [user] is_delimiter(j)
   Call: (217) [system] ')'==j
   Fail: (217) [system] ')'==j
   Call: (217) [system] get_char((0x55772f068e50), j)
   Exit: (217) [system] get_char((0x55772f068e50), j)
   Call: (217) [system] j=(\)
   Fail: (217) [system] j=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1034330)
   Call: (218) [system] peek_char((0x55772f068e50), _1035264)
   Exit: (218) [system] peek_char((0x55772f068e50), u)
^  Call: (218) [user] is_delimiter(u)
   Call: (219) [system] char_type(u, space)
   Fail: (219) [system] char_type(u, space)
   Call: (219) [system] arg(_1039984, v('(', ')', end_of_file), u)
   Fail: (219) [system] arg(_1040916, v('(', ')', end_of_file), u)
^  Fail: (218) [user] is_delimiter(u)
   Call: (218) [system] ')'==u
   Fail: (218) [system] ')'==u
   Call: (218) [system] get_char((0x55772f068e50), u)
   Exit: (218) [system] get_char((0x55772f068e50), u)
   Call: (218) [system] u=(\)
   Fail: (218) [system] u=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1048266)
   Call: (219) [system] peek_char((0x55772f068e50), _1049200)
   Exit: (219) [system] peek_char((0x55772f068e50), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1053920, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1054852, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x55772f068e50), n)
   Exit: (219) [system] get_char((0x55772f068e50), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1062202)
   Call: (220) [system] peek_char((0x55772f068e50), _1063136)
   Exit: (220) [system] peek_char((0x55772f068e50), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_1067856, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_1068788, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x55772f068e50), c)
   Exit: (220) [system] get_char((0x55772f068e50), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1076138)
   Call: (221) [system] peek_char((0x55772f068e50), _1077072)
   Exit: (221) [system] peek_char((0x55772f068e50), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_1081792, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_1082724, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x55772f068e50), t)
   Exit: (221) [system] get_char((0x55772f068e50), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1090074)
   Call: (222) [system] peek_char((0x55772f068e50), _1091008)
   Exit: (222) [system] peek_char((0x55772f068e50), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1095728, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_1096660, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x55772f068e50), i)
   Exit: (222) [system] get_char((0x55772f068e50), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1104010)
   Call: (223) [system] peek_char((0x55772f068e50), _1104944)
   Exit: (223) [system] peek_char((0x55772f068e50), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_1109664, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_1110596, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x55772f068e50), o)
   Exit: (223) [system] get_char((0x55772f068e50), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1117946)
   Call: (224) [system] peek_char((0x55772f068e50), _1118880)
   Exit: (224) [system] peek_char((0x55772f068e50), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1123600, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1124532, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x55772f068e50), n)
   Exit: (224) [system] get_char((0x55772f068e50), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1131882)
   Call: (225) [system] peek_char((0x55772f068e50), _1132816)
   Exit: (225) [system] peek_char((0x55772f068e50), 'I')
^  Call: (225) [user] is_delimiter('I')
   Call: (226) [system] char_type('I', space)
   Fail: (226) [system] char_type('I', space)
   Call: (226) [system] arg(_1137536, v('(', ')', end_of_file), 'I')
   Fail: (226) [system] arg(_1138468, v('(', ')', end_of_file), 'I')
^  Fail: (225) [user] is_delimiter('I')
   Call: (225) [system] ')'=='I'
   Fail: (225) [system] ')'=='I'
   Call: (225) [system] get_char((0x55772f068e50), 'I')
   Exit: (225) [system] get_char((0x55772f068e50), 'I')
   Call: (225) [system] 'I'=(\)
   Fail: (225) [system] 'I'=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1145818)
   Call: (226) [system] peek_char((0x55772f068e50), _1146752)
   Exit: (226) [system] peek_char((0x55772f068e50), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1151472, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1152404, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x55772f068e50), n)
   Exit: (226) [system] get_char((0x55772f068e50), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1159754)
   Call: (227) [system] peek_char((0x55772f068e50), _1160688)
   Exit: (227) [system] peek_char((0x55772f068e50), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_1165408, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_1166340, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x55772f068e50), t)
   Exit: (227) [system] get_char((0x55772f068e50), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1173690)
   Call: (228) [system] peek_char((0x55772f068e50), _1174624)
   Exit: (228) [system] peek_char((0x55772f068e50), r)
^  Call: (228) [user] is_delimiter(r)
   Call: (229) [system] char_type(r, space)
   Fail: (229) [system] char_type(r, space)
   Call: (229) [system] arg(_1179344, v('(', ')', end_of_file), r)
   Fail: (229) [system] arg(_1180276, v('(', ')', end_of_file), r)
^  Fail: (228) [user] is_delimiter(r)
   Call: (228) [system] ')'==r
   Fail: (228) [system] ')'==r
   Call: (228) [system] get_char((0x55772f068e50), r)
   Exit: (228) [system] get_char((0x55772f068e50), r)
   Call: (228) [system] r=(\)
   Fail: (228) [system] r=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1187626)
   Call: (229) [system] peek_char((0x55772f068e50), _1188560)
   Exit: (229) [system] peek_char((0x55772f068e50), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_1193280, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_1194212, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x55772f068e50), o)
   Exit: (229) [system] get_char((0x55772f068e50), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1201562)
   Call: (230) [system] peek_char((0x55772f068e50), _1202496)
   Exit: (230) [system] peek_char((0x55772f068e50), d)
^  Call: (230) [user] is_delimiter(d)
   Call: (231) [system] char_type(d, space)
   Fail: (231) [system] char_type(d, space)
   Call: (231) [system] arg(_1207216, v('(', ')', end_of_file), d)
   Fail: (231) [system] arg(_1208148, v('(', ')', end_of_file), d)
^  Fail: (230) [user] is_delimiter(d)
   Call: (230) [system] ')'==d
   Fail: (230) [system] ')'==d
   Call: (230) [system] get_char((0x55772f068e50), d)
   Exit: (230) [system] get_char((0x55772f068e50), d)
   Call: (230) [system] d=(\)
   Fail: (230) [system] d=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1215498)
   Call: (231) [system] peek_char((0x55772f068e50), _1216432)
   Exit: (231) [system] peek_char((0x55772f068e50), u)
^  Call: (231) [user] is_delimiter(u)
   Call: (232) [system] char_type(u, space)
   Fail: (232) [system] char_type(u, space)
   Call: (232) [system] arg(_1221152, v('(', ')', end_of_file), u)
   Fail: (232) [system] arg(_1222084, v('(', ')', end_of_file), u)
^  Fail: (231) [user] is_delimiter(u)
   Call: (231) [system] ')'==u
   Fail: (231) [system] ')'==u
   Call: (231) [system] get_char((0x55772f068e50), u)
   Exit: (231) [system] get_char((0x55772f068e50), u)
   Call: (231) [system] u=(\)
   Fail: (231) [system] u=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1229434)
   Call: (232) [system] peek_char((0x55772f068e50), _1230368)
   Exit: (232) [system] peek_char((0x55772f068e50), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Fail: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_1235088, v('(', ')', end_of_file), c)
   Fail: (233) [system] arg(_1236020, v('(', ')', end_of_file), c)
^  Fail: (232) [user] is_delimiter(c)
   Call: (232) [system] ')'==c
   Fail: (232) [system] ')'==c
   Call: (232) [system] get_char((0x55772f068e50), c)
   Exit: (232) [system] get_char((0x55772f068e50), c)
   Call: (232) [system] c=(\)
   Fail: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1243370)
   Call: (233) [system] peek_char((0x55772f068e50), _1244304)
   Exit: (233) [system] peek_char((0x55772f068e50), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Fail: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_1249024, v('(', ')', end_of_file), t)
   Fail: (234) [system] arg(_1249956, v('(', ')', end_of_file), t)
^  Fail: (233) [user] is_delimiter(t)
   Call: (233) [system] ')'==t
   Fail: (233) [system] ')'==t
   Call: (233) [system] get_char((0x55772f068e50), t)
   Exit: (233) [system] get_char((0x55772f068e50), t)
   Call: (233) [system] t=(\)
   Fail: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1257306)
   Call: (234) [system] peek_char((0x55772f068e50), _1258240)
   Exit: (234) [system] peek_char((0x55772f068e50), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_1262960, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_1263892, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x55772f068e50), i)
   Exit: (234) [system] get_char((0x55772f068e50), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1271242)
   Call: (235) [system] peek_char((0x55772f068e50), _1272176)
   Exit: (235) [system] peek_char((0x55772f068e50), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Fail: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_1276896, v('(', ')', end_of_file), o)
   Fail: (236) [system] arg(_1277828, v('(', ')', end_of_file), o)
^  Fail: (235) [user] is_delimiter(o)
   Call: (235) [system] ')'==o
   Fail: (235) [system] ')'==o
   Call: (235) [system] get_char((0x55772f068e50), o)
   Exit: (235) [system] get_char((0x55772f068e50), o)
   Call: (235) [system] o=(\)
   Fail: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1285178)
   Call: (236) [system] peek_char((0x55772f068e50), _1286112)
   Exit: (236) [system] peek_char((0x55772f068e50), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1290832, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_1291764, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x55772f068e50), n)
   Exit: (236) [system] get_char((0x55772f068e50), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1299114)
   Call: (237) [system] peek_char((0x55772f068e50), _1300048)
   Exit: (237) [system] peek_char((0x55772f068e50), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _1299114=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (236) [system] _1285178=[n]
   Exit: (236) [system] [n]=[n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (235) [system] _1271242=[o, n]
   Exit: (235) [system] [o, n]=[o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (234) [system] _1257306=[i, o, n]
   Exit: (234) [system] [i, o, n]=[i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (233) [system] _1243370=[t, i, o, n]
   Exit: (233) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (232) [system] _1229434=[c, t, i, o, n]
   Exit: (232) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (231) [system] _1215498=[u, c, t, i, o, n]
   Exit: (231) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (230) [system] _1201562=[d, u, c, t, i, o, n]
   Exit: (230) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (229) [system] _1187626=[o, d, u, c, t, i, o, n]
   Exit: (229) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (228) [system] _1173690=[r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1159754=[t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1145818=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1131882=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1117946=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1104010=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1090074=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1076138=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1062202=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1048266=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1034330=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1020394=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1006458=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _992522=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (214) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _957012)
^  Call: (215) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1370800)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1371752, _1371754), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1370800), _1371734, fail)), '$restore_trace'(_1371752, _1371754))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1371752, _1371754))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1370800), _1371734, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1370800)
   Fail: (216) [system] atomic(_1370800)
   Call: (216) [system] atom_chars(_1370800, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (216) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (215) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (215) [system] integer('DisjunctionIntroduction')
   Fail: (215) [system] integer('DisjunctionIntroduction')
   Call: (215) [system] _957012='DisjunctionIntroduction'
   Exit: (215) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (214) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (213) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (212) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (212) [user] read_list(')', (0x55772f068e50), _1385750)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1387608)
   Exit: (214) [system] peek_char((0x55772f068e50), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x55772f068e50), _1397202)
   Exit: (214) [system] get_char((0x55772f068e50), ' ')
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1399906)
   Exit: (215) [system] peek_char((0x55772f068e50), a)
   Call: (215) [system] a=(;)
   Fail: (215) [system] a=(;)
   Call: (215) [system] a=(/)
   Fail: (215) [system] a=(/)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Fail: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Fail: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
   Fail: (216) [system] char_type(a, cntrl)
^  Fail: (215) [user] is_like_space(a)
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1416840)
   Exit: (213) [system] peek_char((0x55772f068e50), a)
   Call: (213) [system] a=')'
   Fail: (213) [system] a=')'
   Call: (213) [system] a=end_of_file
   Fail: (213) [system] a=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _1422410)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1424268)
   Exit: (215) [system] peek_char((0x55772f068e50), a)
   Call: (215) [system] a=(;)
   Fail: (215) [system] a=(;)
   Call: (215) [system] a=(/)
   Fail: (215) [system] a=(/)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Fail: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Fail: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
   Fail: (216) [system] char_type(a, cntrl)
^  Fail: (215) [user] is_like_space(a)
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _1440278)
   Exit: (214) [system] get_char((0x55772f068e50), a)
   Call: (214) [system] a='('
   Fail: (214) [system] a='('
   Call: (214) [system] a='['
   Fail: (214) [system] a='['
   Call: (214) [system] a='{'
   Fail: (214) [system] a='{'
   Call: (214) [system] a='"'
   Fail: (214) [system] a='"'
   Call: (214) [system] a=!
   Fail: (214) [system] a=!
   Call: (214) [system] a='\''
   Fail: (214) [system] a='\''
   Call: (214) [system] a='`'
   Fail: (214) [system] a='`'
   Call: (214) [system] a=end_of_file
   Fail: (214) [system] a=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x55772f068e50), a, _1422410)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1457920)
   Call: (216) [system] peek_char((0x55772f068e50), _1458854)
   Exit: (216) [system] peek_char((0x55772f068e50), b)
^  Call: (216) [user] is_delimiter(b)
   Call: (217) [system] char_type(b, space)
   Fail: (217) [system] char_type(b, space)
   Call: (217) [system] arg(_1463574, v('(', ')', end_of_file), b)
   Fail: (217) [system] arg(_1464506, v('(', ')', end_of_file), b)
^  Fail: (216) [user] is_delimiter(b)
   Call: (216) [system] ')'==b
   Fail: (216) [system] ')'==b
   Call: (216) [system] get_char((0x55772f068e50), b)
   Exit: (216) [system] get_char((0x55772f068e50), b)
   Call: (216) [system] b=(\)
   Fail: (216) [system] b=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1471856)
   Call: (217) [system] peek_char((0x55772f068e50), _1472790)
   Exit: (217) [system] peek_char((0x55772f068e50), c)
^  Call: (217) [user] is_delimiter(c)
   Call: (218) [system] char_type(c, space)
   Fail: (218) [system] char_type(c, space)
   Call: (218) [system] arg(_1477510, v('(', ')', end_of_file), c)
   Fail: (218) [system] arg(_1478442, v('(', ')', end_of_file), c)
^  Fail: (217) [user] is_delimiter(c)
   Call: (217) [system] ')'==c
   Fail: (217) [system] ')'==c
   Call: (217) [system] get_char((0x55772f068e50), c)
   Exit: (217) [system] get_char((0x55772f068e50), c)
   Call: (217) [system] c=(\)
   Fail: (217) [system] c=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1485792)
   Call: (218) [system] peek_char((0x55772f068e50), _1486726)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _1485792=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (217) [system] _1471856=[c]
   Exit: (217) [system] [c]=[c]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (216) [system] _1457920=[b, c]
   Exit: (216) [system] [b, c]=[b, c]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (215) [user] classify_and_convert_charseq([a, b, c], _1422410)
^  Call: (216) [user] classify_and_convert_charseq_([a, b, c], _1501598)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1502550, _1502552), once(user:catch(read_from_chars([a, b, c], _1501598), _1502532, fail)), '$restore_trace'(_1502550, _1502552))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1502550, _1502552))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1502532, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(abc)
   Exit: (217) [system] atomic(abc)
^  Exit: (216) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (216) [system] integer(abc)
   Fail: (216) [system] integer(abc)
   Call: (216) [system] _1422410=abc
   Exit: (216) [system] abc=abc
^  Exit: (215) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (214) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (213) [user] read_list(')', (0x55772f068e50), _1514678)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1516536)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x55772f068e50), _1526130)
   Exit: (215) [system] get_char((0x55772f068e50), ' ')
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1528834)
   Exit: (216) [system] peek_char((0x55772f068e50), a)
   Call: (216) [system] a=(;)
   Fail: (216) [system] a=(;)
   Call: (216) [system] a=(/)
   Fail: (216) [system] a=(/)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Fail: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Fail: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
   Fail: (217) [system] char_type(a, cntrl)
^  Fail: (216) [user] is_like_space(a)
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1545768)
   Exit: (214) [system] peek_char((0x55772f068e50), a)
   Call: (214) [system] a=')'
   Fail: (214) [system] a=')'
   Call: (214) [system] a=end_of_file
   Fail: (214) [system] a=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _1551338)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1553196)
   Exit: (216) [system] peek_char((0x55772f068e50), a)
   Call: (216) [system] a=(;)
   Fail: (216) [system] a=(;)
   Call: (216) [system] a=(/)
   Fail: (216) [system] a=(/)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Fail: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Fail: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
   Fail: (217) [system] char_type(a, cntrl)
^  Fail: (216) [user] is_like_space(a)
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _1569206)
   Exit: (215) [system] get_char((0x55772f068e50), a)
   Call: (215) [system] a='('
   Fail: (215) [system] a='('
   Call: (215) [system] a='['
   Fail: (215) [system] a='['
   Call: (215) [system] a='{'
   Fail: (215) [system] a='{'
   Call: (215) [system] a='"'
   Fail: (215) [system] a='"'
   Call: (215) [system] a=!
   Fail: (215) [system] a=!
   Call: (215) [system] a='\''
   Fail: (215) [system] a='\''
   Call: (215) [system] a='`'
   Fail: (215) [system] a='`'
   Call: (215) [system] a=end_of_file
   Fail: (215) [system] a=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x55772f068e50), a, _1551338)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1586848)
   Call: (217) [system] peek_char((0x55772f068e50), _1587782)
   Exit: (217) [system] peek_char((0x55772f068e50), b)
^  Call: (217) [user] is_delimiter(b)
   Call: (218) [system] char_type(b, space)
   Fail: (218) [system] char_type(b, space)
   Call: (218) [system] arg(_1592502, v('(', ')', end_of_file), b)
   Fail: (218) [system] arg(_1593434, v('(', ')', end_of_file), b)
^  Fail: (217) [user] is_delimiter(b)
   Call: (217) [system] ')'==b
   Fail: (217) [system] ')'==b
   Call: (217) [system] get_char((0x55772f068e50), b)
   Exit: (217) [system] get_char((0x55772f068e50), b)
   Call: (217) [system] b=(\)
   Fail: (217) [system] b=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1600784)
   Call: (218) [system] peek_char((0x55772f068e50), _1601718)
   Exit: (218) [system] peek_char((0x55772f068e50), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_1606438, v('(', ')', end_of_file), c)
   Fail: (219) [system] arg(_1607370, v('(', ')', end_of_file), c)
^  Fail: (218) [user] is_delimiter(c)
   Call: (218) [system] ')'==c
   Fail: (218) [system] ')'==c
   Call: (218) [system] get_char((0x55772f068e50), c)
   Exit: (218) [system] get_char((0x55772f068e50), c)
   Call: (218) [system] c=(\)
   Fail: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1614720)
   Call: (219) [system] peek_char((0x55772f068e50), _1615654)
   Exit: (219) [system] peek_char((0x55772f068e50), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_1620374, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _1614720=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (218) [system] _1600784=[c]
   Exit: (218) [system] [c]=[c]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (217) [system] _1586848=[b, c]
   Exit: (217) [system] [b, c]=[b, c]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (216) [user] classify_and_convert_charseq([a, b, c], _1551338)
^  Call: (217) [user] classify_and_convert_charseq_([a, b, c], _1632398)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1633350, _1633352), once(user:catch(read_from_chars([a, b, c], _1632398), _1633332, fail)), '$restore_trace'(_1633350, _1633352))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1633350, _1633352))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1633332, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(abc)
   Exit: (218) [system] atomic(abc)
^  Exit: (217) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (217) [system] integer(abc)
   Fail: (217) [system] integer(abc)
   Call: (217) [system] _1551338=abc
   Exit: (217) [system] abc=abc
^  Exit: (216) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (215) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (214) [user] read_list(')', (0x55772f068e50), _1645478)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1647336)
   Exit: (216) [system] peek_char((0x55772f068e50), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1663346)
   Exit: (215) [system] peek_char((0x55772f068e50), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x55772f068e50), _1667136)
   Exit: (215) [system] get_char((0x55772f068e50), ')')
   Call: (215) [system] _1645478=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x55772f068e50), [])
   Call: (214) [system] _1514678=[abc]
   Exit: (214) [system] [abc]=[abc]
^  Exit: (213) [user] read_list(')', (0x55772f068e50), [abc])
   Call: (213) [system] _1385750=[abc, abc]
   Exit: (213) [system] [abc, abc]=[abc, abc]
^  Exit: (212) [user] read_list(')', (0x55772f068e50), [abc, abc])
   Call: (212) [system] _911994=['DisjunctionIntroduction', abc, abc]
   Exit: (212) [system] ['DisjunctionIntroduction', abc, abc]=['DisjunctionIntroduction', abc, abc]
^  Exit: (211) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, abc])
^  Exit: (210) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, abc])
^  Call: (210) [user] read_list(')', (0x55772f068e50), _1681018)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1682876)
   Exit: (212) [system] peek_char((0x55772f068e50), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1698886)
   Exit: (211) [system] peek_char((0x55772f068e50), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x55772f068e50), _1702676)
   Exit: (211) [system] get_char((0x55772f068e50), ')')
   Call: (211) [system] _1681018=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x55772f068e50), [])
   Call: (210) [system] _875334=[['DisjunctionIntroduction', abc, abc]]
   Exit: (210) [system] [['DisjunctionIntroduction', abc, abc]]=[['DisjunctionIntroduction', abc, abc]]
^  Exit: (209) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', abc, abc]])
   Call: (209) [system] _746406=[abc, ['DisjunctionIntroduction', abc, abc]]
   Exit: (209) [system] [abc, ['DisjunctionIntroduction', abc, abc]]=[abc, ['DisjunctionIntroduction', abc, abc]]
^  Exit: (208) [user] read_list(')', (0x55772f068e50), [abc, ['DisjunctionIntroduction', abc, abc]])
   Call: (208) [system] _272650=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]]
   Exit: (208) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]]
^  Exit: (207) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]])
^  Exit: (206) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]])
^  Call: (206) [user] read_list(')', (0x55772f068e50), _1716558)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1718416)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x55772f068e50), _1728010)
   Exit: (208) [system] get_char((0x55772f068e50), ' ')
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1730714)
   Exit: (209) [system] peek_char((0x55772f068e50), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1747648)
   Exit: (207) [system] peek_char((0x55772f068e50), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x55772f068e50), _1753218)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1755076)
   Exit: (209) [system] peek_char((0x55772f068e50), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] get_char((0x55772f068e50), _1771086)
   Exit: (208) [system] get_char((0x55772f068e50), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x55772f068e50), _1753218)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1776656)
   Exit: (210) [system] peek_char((0x55772f068e50), 'O')
   Call: (210) [system] 'O'=(;)
   Fail: (210) [system] 'O'=(;)
   Call: (210) [system] 'O'=(/)
   Fail: (210) [system] 'O'=(/)
^  Call: (210) [user] is_like_space('O')
   Call: (211) [system] char_type('O', 'white')
   Fail: (211) [system] char_type('O', 'white')
   Call: (211) [system] char_type('O', end_of_line)
   Fail: (211) [system] char_type('O', end_of_line)
   Call: (211) [system] char_type('O', space)
   Fail: (211) [system] char_type('O', space)
   Call: (211) [system] char_type('O', cntrl)
   Fail: (211) [system] char_type('O', cntrl)
^  Fail: (210) [user] is_like_space('O')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1792666)
   Exit: (209) [system] peek_char((0x55772f068e50), 'O')
   Call: (209) [system] 'O'=')'
   Fail: (209) [system] 'O'=')'
   Call: (209) [system] 'O'=end_of_file
   Fail: (209) [system] 'O'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x55772f068e50), _1798236)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1800094)
   Exit: (211) [system] peek_char((0x55772f068e50), 'O')
   Call: (211) [system] 'O'=(;)
   Fail: (211) [system] 'O'=(;)
   Call: (211) [system] 'O'=(/)
   Fail: (211) [system] 'O'=(/)
^  Call: (211) [user] is_like_space('O')
   Call: (212) [system] char_type('O', 'white')
   Fail: (212) [system] char_type('O', 'white')
   Call: (212) [system] char_type('O', end_of_line)
   Fail: (212) [system] char_type('O', end_of_line)
   Call: (212) [system] char_type('O', space)
   Fail: (212) [system] char_type('O', space)
   Call: (212) [system] char_type('O', cntrl)
   Fail: (212) [system] char_type('O', cntrl)
^  Fail: (211) [user] is_like_space('O')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] get_char((0x55772f068e50), _1816104)
   Exit: (210) [system] get_char((0x55772f068e50), 'O')
   Call: (210) [system] 'O'='('
   Fail: (210) [system] 'O'='('
   Call: (210) [system] 'O'='['
   Fail: (210) [system] 'O'='['
   Call: (210) [system] 'O'='{'
   Fail: (210) [system] 'O'='{'
   Call: (210) [system] 'O'='"'
   Fail: (210) [system] 'O'='"'
   Call: (210) [system] 'O'=!
   Fail: (210) [system] 'O'=!
   Call: (210) [system] 'O'='\''
   Fail: (210) [system] 'O'='\''
   Call: (210) [system] 'O'='`'
   Fail: (210) [system] 'O'='`'
   Call: (210) [system] 'O'=end_of_file
   Fail: (210) [system] 'O'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x55772f068e50), 'O', _1798236)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1833746)
   Call: (212) [system] peek_char((0x55772f068e50), _1834680)
   Exit: (212) [system] peek_char((0x55772f068e50), r)
^  Call: (212) [user] is_delimiter(r)
   Call: (213) [system] char_type(r, space)
   Fail: (213) [system] char_type(r, space)
   Call: (213) [system] arg(_1839400, v('(', ')', end_of_file), r)
   Fail: (213) [system] arg(_1840332, v('(', ')', end_of_file), r)
^  Fail: (212) [user] is_delimiter(r)
   Call: (212) [system] ')'==r
   Fail: (212) [system] ')'==r
   Call: (212) [system] get_char((0x55772f068e50), r)
   Exit: (212) [system] get_char((0x55772f068e50), r)
   Call: (212) [system] r=(\)
   Fail: (212) [system] r=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1847682)
   Call: (213) [system] peek_char((0x55772f068e50), _1848616)
   Exit: (213) [system] peek_char((0x55772f068e50), 'L')
^  Call: (213) [user] is_delimiter('L')
   Call: (214) [system] char_type('L', space)
   Fail: (214) [system] char_type('L', space)
   Call: (214) [system] arg(_1853336, v('(', ')', end_of_file), 'L')
   Fail: (214) [system] arg(_1854268, v('(', ')', end_of_file), 'L')
^  Fail: (213) [user] is_delimiter('L')
   Call: (213) [system] ')'=='L'
   Fail: (213) [system] ')'=='L'
   Call: (213) [system] get_char((0x55772f068e50), 'L')
   Exit: (213) [system] get_char((0x55772f068e50), 'L')
   Call: (213) [system] 'L'=(\)
   Fail: (213) [system] 'L'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1861618)
   Call: (214) [system] peek_char((0x55772f068e50), _1862552)
   Exit: (214) [system] peek_char((0x55772f068e50), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_1867272, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_1868204, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x55772f068e50), i)
   Exit: (214) [system] get_char((0x55772f068e50), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1875554)
   Call: (215) [system] peek_char((0x55772f068e50), _1876488)
   Exit: (215) [system] peek_char((0x55772f068e50), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1881208, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1882140, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x55772f068e50), n)
   Exit: (215) [system] get_char((0x55772f068e50), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1889490)
   Call: (216) [system] peek_char((0x55772f068e50), _1890424)
   Exit: (216) [system] peek_char((0x55772f068e50), k)
^  Call: (216) [user] is_delimiter(k)
   Call: (217) [system] char_type(k, space)
   Fail: (217) [system] char_type(k, space)
   Call: (217) [system] arg(_1895144, v('(', ')', end_of_file), k)
   Fail: (217) [system] arg(_1896076, v('(', ')', end_of_file), k)
^  Fail: (216) [user] is_delimiter(k)
   Call: (216) [system] ')'==k
   Fail: (216) [system] ')'==k
   Call: (216) [system] get_char((0x55772f068e50), k)
   Exit: (216) [system] get_char((0x55772f068e50), k)
   Call: (216) [system] k=(\)
   Fail: (216) [system] k=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1903426)
   Call: (217) [system] peek_char((0x55772f068e50), _1904360)
   Exit: (217) [system] peek_char((0x55772f068e50), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1903426=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (216) [system] _1889490=[k]
   Exit: (216) [system] [k]=[k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (215) [system] _1875554=[n, k]
   Exit: (215) [system] [n, k]=[n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (214) [system] _1861618=[i, n, k]
   Exit: (214) [system] [i, n, k]=[i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (213) [system] _1847682=['L', i, n, k]
   Exit: (213) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (212) [system] _1833746=[r, 'L', i, n, k]
   Exit: (212) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (211) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1798236)
^  Call: (212) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1927614)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1928566, _1928568), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1927614), _1928548, fail)), '$restore_trace'(_1928566, _1928568))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1928566, _1928568))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1927614), _1928548, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1927614)
   Fail: (213) [system] atomic(_1927614)
   Call: (213) [system] atom_chars(_1927614, ['O', r, 'L', i, n, k])
   Exit: (213) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (212) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (212) [system] integer('OrLink')
   Fail: (212) [system] integer('OrLink')
   Call: (212) [system] _1798236='OrLink'
   Exit: (212) [system] 'OrLink'='OrLink'
^  Exit: (211) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (210) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (209) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (209) [user] read_list(')', (0x55772f068e50), _1942564)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1944422)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x55772f068e50), _1954016)
   Exit: (211) [system] get_char((0x55772f068e50), ' ')
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1956720)
   Exit: (212) [system] peek_char((0x55772f068e50), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1973654)
   Exit: (210) [system] peek_char((0x55772f068e50), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x55772f068e50), _1979224)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1981082)
   Exit: (212) [system] peek_char((0x55772f068e50), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] get_char((0x55772f068e50), _1997092)
   Exit: (211) [system] get_char((0x55772f068e50), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x55772f068e50), _1979224)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _2002662)
   Exit: (213) [system] peek_char((0x55772f068e50), 'I')
   Call: (213) [system] 'I'=(;)
   Fail: (213) [system] 'I'=(;)
   Call: (213) [system] 'I'=(/)
   Fail: (213) [system] 'I'=(/)
^  Call: (213) [user] is_like_space('I')
   Call: (214) [system] char_type('I', 'white')
   Fail: (214) [system] char_type('I', 'white')
   Call: (214) [system] char_type('I', end_of_line)
   Fail: (214) [system] char_type('I', end_of_line)
   Call: (214) [system] char_type('I', space)
   Fail: (214) [system] char_type('I', space)
   Call: (214) [system] char_type('I', cntrl)
   Fail: (214) [system] char_type('I', cntrl)
^  Fail: (213) [user] is_like_space('I')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _2018672)
   Exit: (212) [system] peek_char((0x55772f068e50), 'I')
   Call: (212) [system] 'I'=')'
   Fail: (212) [system] 'I'=')'
   Call: (212) [system] 'I'=end_of_file
   Fail: (212) [system] 'I'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x55772f068e50), _2024242)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _2026100)
   Exit: (214) [system] peek_char((0x55772f068e50), 'I')
   Call: (214) [system] 'I'=(;)
   Fail: (214) [system] 'I'=(;)
   Call: (214) [system] 'I'=(/)
   Fail: (214) [system] 'I'=(/)
^  Call: (214) [user] is_like_space('I')
   Call: (215) [system] char_type('I', 'white')
   Fail: (215) [system] char_type('I', 'white')
   Call: (215) [system] char_type('I', end_of_line)
   Fail: (215) [system] char_type('I', end_of_line)
   Call: (215) [system] char_type('I', space)
   Fail: (215) [system] char_type('I', space)
   Call: (215) [system] char_type('I', cntrl)
   Fail: (215) [system] char_type('I', cntrl)
^  Fail: (214) [user] is_like_space('I')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] get_char((0x55772f068e50), _2042110)
   Exit: (213) [system] get_char((0x55772f068e50), 'I')
   Call: (213) [system] 'I'='('
   Fail: (213) [system] 'I'='('
   Call: (213) [system] 'I'='['
   Fail: (213) [system] 'I'='['
   Call: (213) [system] 'I'='{'
   Fail: (213) [system] 'I'='{'
   Call: (213) [system] 'I'='"'
   Fail: (213) [system] 'I'='"'
   Call: (213) [system] 'I'=!
   Fail: (213) [system] 'I'=!
   Call: (213) [system] 'I'='\''
   Fail: (213) [system] 'I'='\''
   Call: (213) [system] 'I'='`'
   Fail: (213) [system] 'I'='`'
   Call: (213) [system] 'I'=end_of_file
   Fail: (213) [system] 'I'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x55772f068e50), 'I', _2024242)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _2059752)
   Call: (215) [system] peek_char((0x55772f068e50), _2060686)
   Exit: (215) [system] peek_char((0x55772f068e50), m)
^  Call: (215) [user] is_delimiter(m)
   Call: (216) [system] char_type(m, space)
   Fail: (216) [system] char_type(m, space)
   Call: (216) [system] arg(_2065406, v('(', ')', end_of_file), m)
   Fail: (216) [system] arg(_2066338, v('(', ')', end_of_file), m)
^  Fail: (215) [user] is_delimiter(m)
   Call: (215) [system] ')'==m
   Fail: (215) [system] ')'==m
   Call: (215) [system] get_char((0x55772f068e50), m)
   Exit: (215) [system] get_char((0x55772f068e50), m)
   Call: (215) [system] m=(\)
   Fail: (215) [system] m=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _2073688)
   Call: (216) [system] peek_char((0x55772f068e50), _2074622)
   Exit: (216) [system] peek_char((0x55772f068e50), p)
^  Call: (216) [user] is_delimiter(p)
   Call: (217) [system] char_type(p, space)
   Fail: (217) [system] char_type(p, space)
   Call: (217) [system] arg(_2079342, v('(', ')', end_of_file), p)
   Fail: (217) [system] arg(_2080274, v('(', ')', end_of_file), p)
^  Fail: (216) [user] is_delimiter(p)
   Call: (216) [system] ')'==p
   Fail: (216) [system] ')'==p
   Call: (216) [system] get_char((0x55772f068e50), p)
   Exit: (216) [system] get_char((0x55772f068e50), p)
   Call: (216) [system] p=(\)
   Fail: (216) [system] p=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _2087624)
   Call: (217) [system] peek_char((0x55772f068e50), _2088558)
   Exit: (217) [system] peek_char((0x55772f068e50), l)
^  Call: (217) [user] is_delimiter(l)
   Call: (218) [system] char_type(l, space)
   Fail: (218) [system] char_type(l, space)
   Call: (218) [system] arg(_2093278, v('(', ')', end_of_file), l)
   Fail: (218) [system] arg(_2094210, v('(', ')', end_of_file), l)
^  Fail: (217) [user] is_delimiter(l)
   Call: (217) [system] ')'==l
   Fail: (217) [system] ')'==l
   Call: (217) [system] get_char((0x55772f068e50), l)
   Exit: (217) [system] get_char((0x55772f068e50), l)
   Call: (217) [system] l=(\)
   Fail: (217) [system] l=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _8798)
   Call: (218) [system] peek_char((0x55772f068e50), _9732)
   Exit: (218) [system] peek_char((0x55772f068e50), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_14452, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_15384, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x55772f068e50), i)
   Exit: (218) [system] get_char((0x55772f068e50), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _22734)
   Call: (219) [system] peek_char((0x55772f068e50), _23668)
   Exit: (219) [system] peek_char((0x55772f068e50), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_28388, v('(', ')', end_of_file), c)
   Fail: (220) [system] arg(_29320, v('(', ')', end_of_file), c)
^  Fail: (219) [user] is_delimiter(c)
   Call: (219) [system] ')'==c
   Fail: (219) [system] ')'==c
   Call: (219) [system] get_char((0x55772f068e50), c)
   Exit: (219) [system] get_char((0x55772f068e50), c)
   Call: (219) [system] c=(\)
   Fail: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _36670)
   Call: (220) [system] peek_char((0x55772f068e50), _37604)
   Exit: (220) [system] peek_char((0x55772f068e50), a)
^  Call: (220) [user] is_delimiter(a)
   Call: (221) [system] char_type(a, space)
   Fail: (221) [system] char_type(a, space)
   Call: (221) [system] arg(_42324, v('(', ')', end_of_file), a)
   Fail: (221) [system] arg(_43256, v('(', ')', end_of_file), a)
^  Fail: (220) [user] is_delimiter(a)
   Call: (220) [system] ')'==a
   Fail: (220) [system] ')'==a
   Call: (220) [system] get_char((0x55772f068e50), a)
   Exit: (220) [system] get_char((0x55772f068e50), a)
   Call: (220) [system] a=(\)
   Fail: (220) [system] a=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _50606)
   Call: (221) [system] peek_char((0x55772f068e50), _51540)
   Exit: (221) [system] peek_char((0x55772f068e50), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_56260, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_57192, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x55772f068e50), t)
   Exit: (221) [system] get_char((0x55772f068e50), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _64542)
   Call: (222) [system] peek_char((0x55772f068e50), _65476)
   Exit: (222) [system] peek_char((0x55772f068e50), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_70196, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_71128, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x55772f068e50), i)
   Exit: (222) [system] get_char((0x55772f068e50), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _78478)
   Call: (223) [system] peek_char((0x55772f068e50), _79412)
   Exit: (223) [system] peek_char((0x55772f068e50), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_84132, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_85064, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x55772f068e50), o)
   Exit: (223) [system] get_char((0x55772f068e50), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _92414)
   Call: (224) [system] peek_char((0x55772f068e50), _93348)
   Exit: (224) [system] peek_char((0x55772f068e50), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_98068, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_99000, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x55772f068e50), n)
   Exit: (224) [system] get_char((0x55772f068e50), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _106350)
   Call: (225) [system] peek_char((0x55772f068e50), _107284)
   Exit: (225) [system] peek_char((0x55772f068e50), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _106350=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (224) [system] _92414=[n]
   Exit: (224) [system] [n]=[n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (223) [system] _78478=[o, n]
   Exit: (223) [system] [o, n]=[o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (222) [system] _64542=[i, o, n]
   Exit: (222) [system] [i, o, n]=[i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (221) [system] _50606=[t, i, o, n]
   Exit: (221) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (220) [system] _36670=[a, t, i, o, n]
   Exit: (220) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (219) [system] _22734=[c, a, t, i, o, n]
   Exit: (219) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (218) [system] _8798=[i, c, a, t, i, o, n]
   Exit: (218) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (217) [system] _4196=[l, i, c, a, t, i, o, n]
   Exit: (217) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (216) [system] _4192=[p, l, i, c, a, t, i, o, n]
   Exit: (216) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (215) [system] _4188=[m, p, l, i, c, a, t, i, o, n]
   Exit: (215) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (214) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _4184)
^  Call: (215) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _144508)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_145460, _145462), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _144508), _145442, fail)), '$restore_trace'(_145460, _145462))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_145460, _145462))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _144508), _145442, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_144508)
   Fail: (216) [system] atomic(_144508)
   Call: (216) [system] atom_chars(_144508, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (216) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (215) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (215) [system] integer('Implication')
   Fail: (215) [system] integer('Implication')
   Call: (215) [system] _4184='Implication'
   Exit: (215) [system] 'Implication'='Implication'
^  Exit: (214) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (213) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (212) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (212) [user] read_list(')', (0x55772f068e50), _159458)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _161316)
   Exit: (214) [system] peek_char((0x55772f068e50), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x55772f068e50), _170910)
   Exit: (214) [system] get_char((0x55772f068e50), ' ')
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _173614)
   Exit: (215) [system] peek_char((0x55772f068e50), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _190548)
   Exit: (213) [system] peek_char((0x55772f068e50), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _196118)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _197976)
   Exit: (215) [system] peek_char((0x55772f068e50), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _213986)
   Exit: (214) [system] get_char((0x55772f068e50), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x55772f068e50), _196118)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _219556)
   Exit: (216) [system] peek_char((0x55772f068e50), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
   Call: (216) [system] 'A'=(/)
   Fail: (216) [system] 'A'=(/)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _235566)
   Exit: (215) [system] peek_char((0x55772f068e50), 'A')
   Call: (215) [system] 'A'=')'
   Fail: (215) [system] 'A'=')'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x55772f068e50), _241136)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _242994)
   Exit: (217) [system] peek_char((0x55772f068e50), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
   Call: (217) [system] 'A'=(/)
   Fail: (217) [system] 'A'=(/)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] get_char((0x55772f068e50), _259004)
   Exit: (216) [system] get_char((0x55772f068e50), 'A')
   Call: (216) [system] 'A'='('
   Fail: (216) [system] 'A'='('
   Call: (216) [system] 'A'='['
   Fail: (216) [system] 'A'='['
   Call: (216) [system] 'A'='{'
   Fail: (216) [system] 'A'='{'
   Call: (216) [system] 'A'='"'
   Fail: (216) [system] 'A'='"'
   Call: (216) [system] 'A'=!
   Fail: (216) [system] 'A'=!
   Call: (216) [system] 'A'='\''
   Fail: (216) [system] 'A'='\''
   Call: (216) [system] 'A'='`'
   Fail: (216) [system] 'A'='`'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x55772f068e50), 'A', _241136)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _276646)
   Call: (218) [system] peek_char((0x55772f068e50), _277580)
   Exit: (218) [system] peek_char((0x55772f068e50), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_282300, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_283232, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x55772f068e50), n)
   Exit: (218) [system] get_char((0x55772f068e50), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _290582)
   Call: (219) [system] peek_char((0x55772f068e50), _291516)
   Exit: (219) [system] peek_char((0x55772f068e50), d)
^  Call: (219) [user] is_delimiter(d)
   Call: (220) [system] char_type(d, space)
   Fail: (220) [system] char_type(d, space)
   Call: (220) [system] arg(_296236, v('(', ')', end_of_file), d)
   Fail: (220) [system] arg(_297168, v('(', ')', end_of_file), d)
^  Fail: (219) [user] is_delimiter(d)
   Call: (219) [system] ')'==d
   Fail: (219) [system] ')'==d
   Call: (219) [system] get_char((0x55772f068e50), d)
   Exit: (219) [system] get_char((0x55772f068e50), d)
   Call: (219) [system] d=(\)
   Fail: (219) [system] d=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _304518)
   Call: (220) [system] peek_char((0x55772f068e50), _305452)
   Exit: (220) [system] peek_char((0x55772f068e50), 'L')
^  Call: (220) [user] is_delimiter('L')
   Call: (221) [system] char_type('L', space)
   Fail: (221) [system] char_type('L', space)
   Call: (221) [system] arg(_310172, v('(', ')', end_of_file), 'L')
   Fail: (221) [system] arg(_311104, v('(', ')', end_of_file), 'L')
^  Fail: (220) [user] is_delimiter('L')
   Call: (220) [system] ')'=='L'
   Fail: (220) [system] ')'=='L'
   Call: (220) [system] get_char((0x55772f068e50), 'L')
   Exit: (220) [system] get_char((0x55772f068e50), 'L')
   Call: (220) [system] 'L'=(\)
   Fail: (220) [system] 'L'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _318454)
   Call: (221) [system] peek_char((0x55772f068e50), _319388)
   Exit: (221) [system] peek_char((0x55772f068e50), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_324108, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_325040, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x55772f068e50), i)
   Exit: (221) [system] get_char((0x55772f068e50), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _332390)
   Call: (222) [system] peek_char((0x55772f068e50), _333324)
   Exit: (222) [system] peek_char((0x55772f068e50), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_338044, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_338976, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x55772f068e50), n)
   Exit: (222) [system] get_char((0x55772f068e50), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _346326)
   Call: (223) [system] peek_char((0x55772f068e50), _347260)
   Exit: (223) [system] peek_char((0x55772f068e50), k)
^  Call: (223) [user] is_delimiter(k)
   Call: (224) [system] char_type(k, space)
   Fail: (224) [system] char_type(k, space)
   Call: (224) [system] arg(_351980, v('(', ')', end_of_file), k)
   Fail: (224) [system] arg(_352912, v('(', ')', end_of_file), k)
^  Fail: (223) [user] is_delimiter(k)
   Call: (223) [system] ')'==k
   Fail: (223) [system] ')'==k
   Call: (223) [system] get_char((0x55772f068e50), k)
   Exit: (223) [system] get_char((0x55772f068e50), k)
   Call: (223) [system] k=(\)
   Fail: (223) [system] k=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _360262)
   Call: (224) [system] peek_char((0x55772f068e50), _361196)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _360262=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (223) [system] _346326=[k]
   Exit: (223) [system] [k]=[k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (222) [system] _332390=[n, k]
   Exit: (222) [system] [n, k]=[n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (221) [system] _318454=[i, n, k]
   Exit: (221) [system] [i, n, k]=[i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (220) [system] _304518=['L', i, n, k]
   Exit: (220) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (219) [system] _290582=[d, 'L', i, n, k]
   Exit: (219) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (218) [system] _276646=[n, d, 'L', i, n, k]
   Exit: (218) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (217) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _241136)
^  Call: (218) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _387244)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_388196, _388198), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _387244), _388178, fail)), '$restore_trace'(_388196, _388198))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_388196, _388198))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _387244), _388178, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_387244)
   Fail: (219) [system] atomic(_387244)
   Call: (219) [system] atom_chars(_387244, ['A', n, d, 'L', i, n, k])
   Exit: (219) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (218) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (218) [system] integer('AndLink')
   Fail: (218) [system] integer('AndLink')
   Call: (218) [system] _241136='AndLink'
   Exit: (218) [system] 'AndLink'='AndLink'
^  Exit: (217) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (216) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (215) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (215) [user] read_list(')', (0x55772f068e50), _402194)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _404052)
   Exit: (217) [system] peek_char((0x55772f068e50), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x55772f068e50), _413646)
   Exit: (217) [system] get_char((0x55772f068e50), ' ')
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _416350)
   Exit: (218) [system] peek_char((0x55772f068e50), 'A')
   Call: (218) [system] 'A'=(;)
   Fail: (218) [system] 'A'=(;)
   Call: (218) [system] 'A'=(/)
   Fail: (218) [system] 'A'=(/)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Fail: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Fail: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Fail: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
   Fail: (219) [system] char_type('A', cntrl)
^  Fail: (218) [user] is_like_space('A')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _433284)
   Exit: (216) [system] peek_char((0x55772f068e50), 'A')
   Call: (216) [system] 'A'=')'
   Fail: (216) [system] 'A'=')'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x55772f068e50), _438854)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _440712)
   Exit: (218) [system] peek_char((0x55772f068e50), 'A')
   Call: (218) [system] 'A'=(;)
   Fail: (218) [system] 'A'=(;)
   Call: (218) [system] 'A'=(/)
   Fail: (218) [system] 'A'=(/)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Fail: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Fail: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Fail: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
   Fail: (219) [system] char_type('A', cntrl)
^  Fail: (218) [user] is_like_space('A')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] get_char((0x55772f068e50), _456722)
   Exit: (217) [system] get_char((0x55772f068e50), 'A')
   Call: (217) [system] 'A'='('
   Fail: (217) [system] 'A'='('
   Call: (217) [system] 'A'='['
   Fail: (217) [system] 'A'='['
   Call: (217) [system] 'A'='{'
   Fail: (217) [system] 'A'='{'
   Call: (217) [system] 'A'='"'
   Fail: (217) [system] 'A'='"'
   Call: (217) [system] 'A'=!
   Fail: (217) [system] 'A'=!
   Call: (217) [system] 'A'='\''
   Fail: (217) [system] 'A'='\''
   Call: (217) [system] 'A'='`'
   Fail: (217) [system] 'A'='`'
   Call: (217) [system] 'A'=end_of_file
   Fail: (217) [system] 'A'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x55772f068e50), 'A', _438854)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _474364)
   Call: (219) [system] peek_char((0x55772f068e50), _475298)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _474364=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (218) [user] classify_and_convert_charseq(['A'], _438854)
^  Call: (219) [user] classify_and_convert_charseq_(['A'], _484582)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_485534, _485536), once(user:catch(read_from_chars(['A'], _484582), _485516, fail)), '$restore_trace'(_485534, _485536))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_485534, _485536))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _484582), _485516, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_484582)
   Fail: (220) [system] atomic(_484582)
   Call: (220) [system] atom_chars(_484582, ['A'])
   Exit: (220) [system] atom_chars('A', ['A'])
^  Exit: (219) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (219) [system] integer('A')
   Fail: (219) [system] integer('A')
   Call: (219) [system] _438854='A'
   Exit: (219) [system] 'A'='A'
^  Exit: (218) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (217) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (216) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (216) [user] read_list(')', (0x55772f068e50), _499532)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _501390)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x55772f068e50), _510984)
   Exit: (218) [system] get_char((0x55772f068e50), ' ')
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _513688)
   Exit: (219) [system] peek_char((0x55772f068e50), 'B')
   Call: (219) [system] 'B'=(;)
   Fail: (219) [system] 'B'=(;)
   Call: (219) [system] 'B'=(/)
   Fail: (219) [system] 'B'=(/)
^  Call: (219) [user] is_like_space('B')
   Call: (220) [system] char_type('B', 'white')
   Fail: (220) [system] char_type('B', 'white')
   Call: (220) [system] char_type('B', end_of_line)
   Fail: (220) [system] char_type('B', end_of_line)
   Call: (220) [system] char_type('B', space)
   Fail: (220) [system] char_type('B', space)
   Call: (220) [system] char_type('B', cntrl)
   Fail: (220) [system] char_type('B', cntrl)
^  Fail: (219) [user] is_like_space('B')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _530622)
   Exit: (217) [system] peek_char((0x55772f068e50), 'B')
   Call: (217) [system] 'B'=')'
   Fail: (217) [system] 'B'=')'
   Call: (217) [system] 'B'=end_of_file
   Fail: (217) [system] 'B'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _536192)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _538050)
   Exit: (219) [system] peek_char((0x55772f068e50), 'B')
   Call: (219) [system] 'B'=(;)
   Fail: (219) [system] 'B'=(;)
   Call: (219) [system] 'B'=(/)
   Fail: (219) [system] 'B'=(/)
^  Call: (219) [user] is_like_space('B')
   Call: (220) [system] char_type('B', 'white')
   Fail: (220) [system] char_type('B', 'white')
   Call: (220) [system] char_type('B', end_of_line)
   Fail: (220) [system] char_type('B', end_of_line)
   Call: (220) [system] char_type('B', space)
   Fail: (220) [system] char_type('B', space)
   Call: (220) [system] char_type('B', cntrl)
   Fail: (220) [system] char_type('B', cntrl)
^  Fail: (219) [user] is_like_space('B')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _554060)
   Exit: (218) [system] get_char((0x55772f068e50), 'B')
   Call: (218) [system] 'B'='('
   Fail: (218) [system] 'B'='('
   Call: (218) [system] 'B'='['
   Fail: (218) [system] 'B'='['
   Call: (218) [system] 'B'='{'
   Fail: (218) [system] 'B'='{'
   Call: (218) [system] 'B'='"'
   Fail: (218) [system] 'B'='"'
   Call: (218) [system] 'B'=!
   Fail: (218) [system] 'B'=!
   Call: (218) [system] 'B'='\''
   Fail: (218) [system] 'B'='\''
   Call: (218) [system] 'B'='`'
   Fail: (218) [system] 'B'='`'
   Call: (218) [system] 'B'=end_of_file
   Fail: (218) [system] 'B'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x55772f068e50), 'B', _536192)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _571702)
   Call: (220) [system] peek_char((0x55772f068e50), _572636)
   Exit: (220) [system] peek_char((0x55772f068e50), ')')
^  Call: (220) [user] is_delimiter(')')
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] arg(_577356, v('(', ')', end_of_file), ')')
   Exit: (221) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (220) [user] is_delimiter(')')
   Call: (220) [system] _571702=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (219) [user] classify_and_convert_charseq(['B'], _536192)
^  Call: (220) [user] classify_and_convert_charseq_(['B'], _583792)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_584744, _584746), once(user:catch(read_from_chars(['B'], _583792), _584726, fail)), '$restore_trace'(_584744, _584746))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_584744, _584746))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _583792), _584726, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_583792)
   Fail: (221) [system] atomic(_583792)
   Call: (221) [system] atom_chars(_583792, ['B'])
   Exit: (221) [system] atom_chars('B', ['B'])
^  Exit: (220) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (220) [system] integer('B')
   Fail: (220) [system] integer('B')
   Call: (220) [system] _536192='B'
   Exit: (220) [system] 'B'='B'
^  Exit: (219) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (218) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (217) [user] read_list(')', (0x55772f068e50), _598742)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _600600)
   Exit: (219) [system] peek_char((0x55772f068e50), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
   Call: (219) [system] ')'=(/)
   Fail: (219) [system] ')'=(/)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _616610)
   Exit: (218) [system] peek_char((0x55772f068e50), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x55772f068e50), _620400)
   Exit: (218) [system] get_char((0x55772f068e50), ')')
   Call: (218) [system] _598742=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x55772f068e50), [])
   Call: (217) [system] _499532=['B']
   Exit: (217) [system] ['B']=['B']
^  Exit: (216) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (216) [system] _402194=['A', 'B']
   Exit: (216) [system] ['A', 'B']=['A', 'B']
^  Exit: (215) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (215) [system] _196118=['AndLink', 'A', 'B']
   Exit: (215) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (214) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (213) [user] read_list(')', (0x55772f068e50), _634282)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _636140)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x55772f068e50), _645734)
   Exit: (215) [system] get_char((0x55772f068e50), ' ')
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _648438)
   Exit: (216) [system] peek_char((0x55772f068e50), 'C')
   Call: (216) [system] 'C'=(;)
   Fail: (216) [system] 'C'=(;)
   Call: (216) [system] 'C'=(/)
   Fail: (216) [system] 'C'=(/)
^  Call: (216) [user] is_like_space('C')
   Call: (217) [system] char_type('C', 'white')
   Fail: (217) [system] char_type('C', 'white')
   Call: (217) [system] char_type('C', end_of_line)
   Fail: (217) [system] char_type('C', end_of_line)
   Call: (217) [system] char_type('C', space)
   Fail: (217) [system] char_type('C', space)
   Call: (217) [system] char_type('C', cntrl)
   Fail: (217) [system] char_type('C', cntrl)
^  Fail: (216) [user] is_like_space('C')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _665372)
   Exit: (214) [system] peek_char((0x55772f068e50), 'C')
   Call: (214) [system] 'C'=')'
   Fail: (214) [system] 'C'=')'
   Call: (214) [system] 'C'=end_of_file
   Fail: (214) [system] 'C'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _670942)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _672800)
   Exit: (216) [system] peek_char((0x55772f068e50), 'C')
   Call: (216) [system] 'C'=(;)
   Fail: (216) [system] 'C'=(;)
   Call: (216) [system] 'C'=(/)
   Fail: (216) [system] 'C'=(/)
^  Call: (216) [user] is_like_space('C')
   Call: (217) [system] char_type('C', 'white')
   Fail: (217) [system] char_type('C', 'white')
   Call: (217) [system] char_type('C', end_of_line)
   Fail: (217) [system] char_type('C', end_of_line)
   Call: (217) [system] char_type('C', space)
   Fail: (217) [system] char_type('C', space)
   Call: (217) [system] char_type('C', cntrl)
   Fail: (217) [system] char_type('C', cntrl)
^  Fail: (216) [user] is_like_space('C')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _688810)
   Exit: (215) [system] get_char((0x55772f068e50), 'C')
   Call: (215) [system] 'C'='('
   Fail: (215) [system] 'C'='('
   Call: (215) [system] 'C'='['
   Fail: (215) [system] 'C'='['
   Call: (215) [system] 'C'='{'
   Fail: (215) [system] 'C'='{'
   Call: (215) [system] 'C'='"'
   Fail: (215) [system] 'C'='"'
   Call: (215) [system] 'C'=!
   Fail: (215) [system] 'C'=!
   Call: (215) [system] 'C'='\''
   Fail: (215) [system] 'C'='\''
   Call: (215) [system] 'C'='`'
   Fail: (215) [system] 'C'='`'
   Call: (215) [system] 'C'=end_of_file
   Fail: (215) [system] 'C'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x55772f068e50), 'C', _670942)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _706452)
   Call: (217) [system] peek_char((0x55772f068e50), _707386)
   Exit: (217) [system] peek_char((0x55772f068e50), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_712106, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _706452=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (216) [user] classify_and_convert_charseq(['C'], _670942)
^  Call: (217) [user] classify_and_convert_charseq_(['C'], _718542)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_719494, _719496), once(user:catch(read_from_chars(['C'], _718542), _719476, fail)), '$restore_trace'(_719494, _719496))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_719494, _719496))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _718542), _719476, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_718542)
   Fail: (218) [system] atomic(_718542)
   Call: (218) [system] atom_chars(_718542, ['C'])
   Exit: (218) [system] atom_chars('C', ['C'])
^  Exit: (217) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (217) [system] integer('C')
   Fail: (217) [system] integer('C')
   Call: (217) [system] _670942='C'
   Exit: (217) [system] 'C'='C'
^  Exit: (216) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (215) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (214) [user] read_list(')', (0x55772f068e50), _733492)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _735350)
   Exit: (216) [system] peek_char((0x55772f068e50), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _751360)
   Exit: (215) [system] peek_char((0x55772f068e50), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x55772f068e50), _755150)
   Exit: (215) [system] get_char((0x55772f068e50), ')')
   Call: (215) [system] _733492=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x55772f068e50), [])
   Call: (214) [system] _634282=['C']
   Exit: (214) [system] ['C']=['C']
^  Exit: (213) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (213) [system] _159458=[['AndLink', 'A', 'B'], 'C']
   Exit: (213) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (212) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (212) [system] _4178=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (212) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (211) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (210) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (210) [user] read_list(')', (0x55772f068e50), _769032)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _770890)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x55772f068e50), _780484)
   Exit: (212) [system] get_char((0x55772f068e50), ' ')
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _783188)
   Exit: (213) [system] peek_char((0x55772f068e50), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _800122)
   Exit: (211) [system] peek_char((0x55772f068e50), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x55772f068e50), _805692)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _807550)
   Exit: (213) [system] peek_char((0x55772f068e50), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] get_char((0x55772f068e50), _823560)
   Exit: (212) [system] get_char((0x55772f068e50), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x55772f068e50), _805692)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _829130)
   Exit: (214) [system] peek_char((0x55772f068e50), 'O')
   Call: (214) [system] 'O'=(;)
   Fail: (214) [system] 'O'=(;)
   Call: (214) [system] 'O'=(/)
   Fail: (214) [system] 'O'=(/)
^  Call: (214) [user] is_like_space('O')
   Call: (215) [system] char_type('O', 'white')
   Fail: (215) [system] char_type('O', 'white')
   Call: (215) [system] char_type('O', end_of_line)
   Fail: (215) [system] char_type('O', end_of_line)
   Call: (215) [system] char_type('O', space)
   Fail: (215) [system] char_type('O', space)
   Call: (215) [system] char_type('O', cntrl)
   Fail: (215) [system] char_type('O', cntrl)
^  Fail: (214) [user] is_like_space('O')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _845140)
   Exit: (213) [system] peek_char((0x55772f068e50), 'O')
   Call: (213) [system] 'O'=')'
   Fail: (213) [system] 'O'=')'
   Call: (213) [system] 'O'=end_of_file
   Fail: (213) [system] 'O'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _850710)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _852568)
   Exit: (215) [system] peek_char((0x55772f068e50), 'O')
   Call: (215) [system] 'O'=(;)
   Fail: (215) [system] 'O'=(;)
   Call: (215) [system] 'O'=(/)
   Fail: (215) [system] 'O'=(/)
^  Call: (215) [user] is_like_space('O')
   Call: (216) [system] char_type('O', 'white')
   Fail: (216) [system] char_type('O', 'white')
   Call: (216) [system] char_type('O', end_of_line)
   Fail: (216) [system] char_type('O', end_of_line)
   Call: (216) [system] char_type('O', space)
   Fail: (216) [system] char_type('O', space)
   Call: (216) [system] char_type('O', cntrl)
   Fail: (216) [system] char_type('O', cntrl)
^  Fail: (215) [user] is_like_space('O')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _868578)
   Exit: (214) [system] get_char((0x55772f068e50), 'O')
   Call: (214) [system] 'O'='('
   Fail: (214) [system] 'O'='('
   Call: (214) [system] 'O'='['
   Fail: (214) [system] 'O'='['
   Call: (214) [system] 'O'='{'
   Fail: (214) [system] 'O'='{'
   Call: (214) [system] 'O'='"'
   Fail: (214) [system] 'O'='"'
   Call: (214) [system] 'O'=!
   Fail: (214) [system] 'O'=!
   Call: (214) [system] 'O'='\''
   Fail: (214) [system] 'O'='\''
   Call: (214) [system] 'O'='`'
   Fail: (214) [system] 'O'='`'
   Call: (214) [system] 'O'=end_of_file
   Fail: (214) [system] 'O'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x55772f068e50), 'O', _850710)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _886220)
   Call: (216) [system] peek_char((0x55772f068e50), _887154)
   Exit: (216) [system] peek_char((0x55772f068e50), r)
^  Call: (216) [user] is_delimiter(r)
   Call: (217) [system] char_type(r, space)
   Fail: (217) [system] char_type(r, space)
   Call: (217) [system] arg(_891874, v('(', ')', end_of_file), r)
   Fail: (217) [system] arg(_892806, v('(', ')', end_of_file), r)
^  Fail: (216) [user] is_delimiter(r)
   Call: (216) [system] ')'==r
   Fail: (216) [system] ')'==r
   Call: (216) [system] get_char((0x55772f068e50), r)
   Exit: (216) [system] get_char((0x55772f068e50), r)
   Call: (216) [system] r=(\)
   Fail: (216) [system] r=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _900156)
   Call: (217) [system] peek_char((0x55772f068e50), _901090)
   Exit: (217) [system] peek_char((0x55772f068e50), 'L')
^  Call: (217) [user] is_delimiter('L')
   Call: (218) [system] char_type('L', space)
   Fail: (218) [system] char_type('L', space)
   Call: (218) [system] arg(_905810, v('(', ')', end_of_file), 'L')
   Fail: (218) [system] arg(_906742, v('(', ')', end_of_file), 'L')
^  Fail: (217) [user] is_delimiter('L')
   Call: (217) [system] ')'=='L'
   Fail: (217) [system] ')'=='L'
   Call: (217) [system] get_char((0x55772f068e50), 'L')
   Exit: (217) [system] get_char((0x55772f068e50), 'L')
   Call: (217) [system] 'L'=(\)
   Fail: (217) [system] 'L'=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _914092)
   Call: (218) [system] peek_char((0x55772f068e50), _915026)
   Exit: (218) [system] peek_char((0x55772f068e50), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_919746, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_920678, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x55772f068e50), i)
   Exit: (218) [system] get_char((0x55772f068e50), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _928028)
   Call: (219) [system] peek_char((0x55772f068e50), _928962)
   Exit: (219) [system] peek_char((0x55772f068e50), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_933682, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_934614, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x55772f068e50), n)
   Exit: (219) [system] get_char((0x55772f068e50), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _941964)
   Call: (220) [system] peek_char((0x55772f068e50), _942898)
   Exit: (220) [system] peek_char((0x55772f068e50), k)
^  Call: (220) [user] is_delimiter(k)
   Call: (221) [system] char_type(k, space)
   Fail: (221) [system] char_type(k, space)
   Call: (221) [system] arg(_947618, v('(', ')', end_of_file), k)
   Fail: (221) [system] arg(_948550, v('(', ')', end_of_file), k)
^  Fail: (220) [user] is_delimiter(k)
   Call: (220) [system] ')'==k
   Fail: (220) [system] ')'==k
   Call: (220) [system] get_char((0x55772f068e50), k)
   Exit: (220) [system] get_char((0x55772f068e50), k)
   Call: (220) [system] k=(\)
   Fail: (220) [system] k=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _955900)
   Call: (221) [system] peek_char((0x55772f068e50), _956834)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _955900=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (220) [system] _941964=[k]
   Exit: (220) [system] [k]=[k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (219) [system] _928028=[n, k]
   Exit: (219) [system] [n, k]=[n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (218) [system] _914092=[i, n, k]
   Exit: (218) [system] [i, n, k]=[i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (217) [system] _900156=['L', i, n, k]
   Exit: (217) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (216) [system] _886220=[r, 'L', i, n, k]
   Exit: (216) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (215) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _850710)
^  Call: (216) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _980088)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_981040, _981042), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _980088), _981022, fail)), '$restore_trace'(_981040, _981042))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_981040, _981042))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _980088), _981022, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_980088)
   Fail: (217) [system] atomic(_980088)
   Call: (217) [system] atom_chars(_980088, ['O', r, 'L', i, n, k])
   Exit: (217) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (216) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (216) [system] integer('OrLink')
   Fail: (216) [system] integer('OrLink')
   Call: (216) [system] _850710='OrLink'
   Exit: (216) [system] 'OrLink'='OrLink'
^  Exit: (215) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (214) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (213) [user] read_list(')', (0x55772f068e50), _995038)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _996896)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x55772f068e50), _1006490)
   Exit: (215) [system] get_char((0x55772f068e50), ' ')
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1009194)
   Exit: (216) [system] peek_char((0x55772f068e50), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1026128)
   Exit: (214) [system] peek_char((0x55772f068e50), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _1031698)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1033556)
   Exit: (216) [system] peek_char((0x55772f068e50), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _1049566)
   Exit: (215) [system] get_char((0x55772f068e50), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x55772f068e50), _1031698)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1055136)
   Exit: (217) [system] peek_char((0x55772f068e50), 'I')
   Call: (217) [system] 'I'=(;)
   Fail: (217) [system] 'I'=(;)
   Call: (217) [system] 'I'=(/)
   Fail: (217) [system] 'I'=(/)
^  Call: (217) [user] is_like_space('I')
   Call: (218) [system] char_type('I', 'white')
   Fail: (218) [system] char_type('I', 'white')
   Call: (218) [system] char_type('I', end_of_line)
   Fail: (218) [system] char_type('I', end_of_line)
   Call: (218) [system] char_type('I', space)
   Fail: (218) [system] char_type('I', space)
   Call: (218) [system] char_type('I', cntrl)
   Fail: (218) [system] char_type('I', cntrl)
^  Fail: (217) [user] is_like_space('I')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1071146)
   Exit: (216) [system] peek_char((0x55772f068e50), 'I')
   Call: (216) [system] 'I'=')'
   Fail: (216) [system] 'I'=')'
   Call: (216) [system] 'I'=end_of_file
   Fail: (216) [system] 'I'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x55772f068e50), _1076716)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1078574)
   Exit: (218) [system] peek_char((0x55772f068e50), 'I')
   Call: (218) [system] 'I'=(;)
   Fail: (218) [system] 'I'=(;)
   Call: (218) [system] 'I'=(/)
   Fail: (218) [system] 'I'=(/)
^  Call: (218) [user] is_like_space('I')
   Call: (219) [system] char_type('I', 'white')
   Fail: (219) [system] char_type('I', 'white')
   Call: (219) [system] char_type('I', end_of_line)
   Fail: (219) [system] char_type('I', end_of_line)
   Call: (219) [system] char_type('I', space)
   Fail: (219) [system] char_type('I', space)
   Call: (219) [system] char_type('I', cntrl)
   Fail: (219) [system] char_type('I', cntrl)
^  Fail: (218) [user] is_like_space('I')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] get_char((0x55772f068e50), _1094584)
   Exit: (217) [system] get_char((0x55772f068e50), 'I')
   Call: (217) [system] 'I'='('
   Fail: (217) [system] 'I'='('
   Call: (217) [system] 'I'='['
   Fail: (217) [system] 'I'='['
   Call: (217) [system] 'I'='{'
   Fail: (217) [system] 'I'='{'
   Call: (217) [system] 'I'='"'
   Fail: (217) [system] 'I'='"'
   Call: (217) [system] 'I'=!
   Fail: (217) [system] 'I'=!
   Call: (217) [system] 'I'='\''
   Fail: (217) [system] 'I'='\''
   Call: (217) [system] 'I'='`'
   Fail: (217) [system] 'I'='`'
   Call: (217) [system] 'I'=end_of_file
   Fail: (217) [system] 'I'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x55772f068e50), 'I', _1076716)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1112226)
   Call: (219) [system] peek_char((0x55772f068e50), _1113160)
   Exit: (219) [system] peek_char((0x55772f068e50), m)
^  Call: (219) [user] is_delimiter(m)
   Call: (220) [system] char_type(m, space)
   Fail: (220) [system] char_type(m, space)
   Call: (220) [system] arg(_1117880, v('(', ')', end_of_file), m)
   Fail: (220) [system] arg(_1118812, v('(', ')', end_of_file), m)
^  Fail: (219) [user] is_delimiter(m)
   Call: (219) [system] ')'==m
   Fail: (219) [system] ')'==m
   Call: (219) [system] get_char((0x55772f068e50), m)
   Exit: (219) [system] get_char((0x55772f068e50), m)
   Call: (219) [system] m=(\)
   Fail: (219) [system] m=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1126162)
   Call: (220) [system] peek_char((0x55772f068e50), _1127096)
   Exit: (220) [system] peek_char((0x55772f068e50), p)
^  Call: (220) [user] is_delimiter(p)
   Call: (221) [system] char_type(p, space)
   Fail: (221) [system] char_type(p, space)
   Call: (221) [system] arg(_1131816, v('(', ')', end_of_file), p)
   Fail: (221) [system] arg(_1132748, v('(', ')', end_of_file), p)
^  Fail: (220) [user] is_delimiter(p)
   Call: (220) [system] ')'==p
   Fail: (220) [system] ')'==p
   Call: (220) [system] get_char((0x55772f068e50), p)
   Exit: (220) [system] get_char((0x55772f068e50), p)
   Call: (220) [system] p=(\)
   Fail: (220) [system] p=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1140098)
   Call: (221) [system] peek_char((0x55772f068e50), _1141032)
   Exit: (221) [system] peek_char((0x55772f068e50), l)
^  Call: (221) [user] is_delimiter(l)
   Call: (222) [system] char_type(l, space)
   Fail: (222) [system] char_type(l, space)
   Call: (222) [system] arg(_1145752, v('(', ')', end_of_file), l)
   Fail: (222) [system] arg(_1146684, v('(', ')', end_of_file), l)
^  Fail: (221) [user] is_delimiter(l)
   Call: (221) [system] ')'==l
   Fail: (221) [system] ')'==l
   Call: (221) [system] get_char((0x55772f068e50), l)
   Exit: (221) [system] get_char((0x55772f068e50), l)
   Call: (221) [system] l=(\)
   Fail: (221) [system] l=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1154034)
   Call: (222) [system] peek_char((0x55772f068e50), _1154968)
   Exit: (222) [system] peek_char((0x55772f068e50), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1159688, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_1160620, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x55772f068e50), i)
   Exit: (222) [system] get_char((0x55772f068e50), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1167970)
   Call: (223) [system] peek_char((0x55772f068e50), _1168904)
   Exit: (223) [system] peek_char((0x55772f068e50), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_1173624, v('(', ')', end_of_file), c)
   Fail: (224) [system] arg(_1174556, v('(', ')', end_of_file), c)
^  Fail: (223) [user] is_delimiter(c)
   Call: (223) [system] ')'==c
   Fail: (223) [system] ')'==c
   Call: (223) [system] get_char((0x55772f068e50), c)
   Exit: (223) [system] get_char((0x55772f068e50), c)
   Call: (223) [system] c=(\)
   Fail: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1181906)
   Call: (224) [system] peek_char((0x55772f068e50), _1182840)
   Exit: (224) [system] peek_char((0x55772f068e50), a)
^  Call: (224) [user] is_delimiter(a)
   Call: (225) [system] char_type(a, space)
   Fail: (225) [system] char_type(a, space)
   Call: (225) [system] arg(_1187560, v('(', ')', end_of_file), a)
   Fail: (225) [system] arg(_1188492, v('(', ')', end_of_file), a)
^  Fail: (224) [user] is_delimiter(a)
   Call: (224) [system] ')'==a
   Fail: (224) [system] ')'==a
   Call: (224) [system] get_char((0x55772f068e50), a)
   Exit: (224) [system] get_char((0x55772f068e50), a)
   Call: (224) [system] a=(\)
   Fail: (224) [system] a=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1195842)
   Call: (225) [system] peek_char((0x55772f068e50), _1196776)
   Exit: (225) [system] peek_char((0x55772f068e50), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_1201496, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_1202428, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x55772f068e50), t)
   Exit: (225) [system] get_char((0x55772f068e50), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1209778)
   Call: (226) [system] peek_char((0x55772f068e50), _1210712)
   Exit: (226) [system] peek_char((0x55772f068e50), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_1215432, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_1216364, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x55772f068e50), i)
   Exit: (226) [system] get_char((0x55772f068e50), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1223714)
   Call: (227) [system] peek_char((0x55772f068e50), _1224648)
   Exit: (227) [system] peek_char((0x55772f068e50), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_1229368, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_1230300, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x55772f068e50), o)
   Exit: (227) [system] get_char((0x55772f068e50), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1237650)
   Call: (228) [system] peek_char((0x55772f068e50), _1238584)
   Exit: (228) [system] peek_char((0x55772f068e50), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_1243304, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_1244236, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x55772f068e50), n)
   Exit: (228) [system] get_char((0x55772f068e50), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1251586)
   Call: (229) [system] peek_char((0x55772f068e50), _1252520)
   Exit: (229) [system] peek_char((0x55772f068e50), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _1251586=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (228) [system] _1237650=[n]
   Exit: (228) [system] [n]=[n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (227) [system] _1223714=[o, n]
   Exit: (227) [system] [o, n]=[o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (226) [system] _1209778=[i, o, n]
   Exit: (226) [system] [i, o, n]=[i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (225) [system] _1195842=[t, i, o, n]
   Exit: (225) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (224) [system] _1181906=[a, t, i, o, n]
   Exit: (224) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (223) [system] _1167970=[c, a, t, i, o, n]
   Exit: (223) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (222) [system] _1154034=[i, c, a, t, i, o, n]
   Exit: (222) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (221) [system] _1140098=[l, i, c, a, t, i, o, n]
   Exit: (221) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (220) [system] _1126162=[p, l, i, c, a, t, i, o, n]
   Exit: (220) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (219) [system] _1112226=[m, p, l, i, c, a, t, i, o, n]
   Exit: (219) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (218) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1076716)
^  Call: (219) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1289744)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1290696, _1290698), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1289744), _1290678, fail)), '$restore_trace'(_1290696, _1290698))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1290696, _1290698))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1289744), _1290678, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1289744)
   Fail: (220) [system] atomic(_1289744)
   Call: (220) [system] atom_chars(_1289744, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (220) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (219) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (219) [system] integer('Implication')
   Fail: (219) [system] integer('Implication')
   Call: (219) [system] _1076716='Implication'
   Exit: (219) [system] 'Implication'='Implication'
^  Exit: (218) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (217) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (216) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (216) [user] read_list(')', (0x55772f068e50), _1304694)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1306552)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x55772f068e50), _1316146)
   Exit: (218) [system] get_char((0x55772f068e50), ' ')
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1318850)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1335784)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _1341354)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1343212)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _1359222)
   Exit: (218) [system] get_char((0x55772f068e50), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x55772f068e50), _1341354)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1364792)
   Exit: (220) [system] peek_char((0x55772f068e50), 'A')
   Call: (220) [system] 'A'=(;)
   Fail: (220) [system] 'A'=(;)
   Call: (220) [system] 'A'=(/)
   Fail: (220) [system] 'A'=(/)
^  Call: (220) [user] is_like_space('A')
   Call: (221) [system] char_type('A', 'white')
   Fail: (221) [system] char_type('A', 'white')
   Call: (221) [system] char_type('A', end_of_line)
   Fail: (221) [system] char_type('A', end_of_line)
   Call: (221) [system] char_type('A', space)
   Fail: (221) [system] char_type('A', space)
   Call: (221) [system] char_type('A', cntrl)
   Fail: (221) [system] char_type('A', cntrl)
^  Fail: (220) [user] is_like_space('A')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1380802)
   Exit: (219) [system] peek_char((0x55772f068e50), 'A')
   Call: (219) [system] 'A'=')'
   Fail: (219) [system] 'A'=')'
   Call: (219) [system] 'A'=end_of_file
   Fail: (219) [system] 'A'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _1386372)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1388230)
   Exit: (221) [system] peek_char((0x55772f068e50), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
   Call: (221) [system] 'A'=(/)
   Fail: (221) [system] 'A'=(/)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _1404240)
   Exit: (220) [system] get_char((0x55772f068e50), 'A')
   Call: (220) [system] 'A'='('
   Fail: (220) [system] 'A'='('
   Call: (220) [system] 'A'='['
   Fail: (220) [system] 'A'='['
   Call: (220) [system] 'A'='{'
   Fail: (220) [system] 'A'='{'
   Call: (220) [system] 'A'='"'
   Fail: (220) [system] 'A'='"'
   Call: (220) [system] 'A'=!
   Fail: (220) [system] 'A'=!
   Call: (220) [system] 'A'='\''
   Fail: (220) [system] 'A'='\''
   Call: (220) [system] 'A'='`'
   Fail: (220) [system] 'A'='`'
   Call: (220) [system] 'A'=end_of_file
   Fail: (220) [system] 'A'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x55772f068e50), 'A', _1386372)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1421882)
   Call: (222) [system] peek_char((0x55772f068e50), _1422816)
   Exit: (222) [system] peek_char((0x55772f068e50), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1427536, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1428468, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x55772f068e50), n)
   Exit: (222) [system] get_char((0x55772f068e50), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1435818)
   Call: (223) [system] peek_char((0x55772f068e50), _1436752)
   Exit: (223) [system] peek_char((0x55772f068e50), d)
^  Call: (223) [user] is_delimiter(d)
   Call: (224) [system] char_type(d, space)
   Fail: (224) [system] char_type(d, space)
   Call: (224) [system] arg(_1441472, v('(', ')', end_of_file), d)
   Fail: (224) [system] arg(_1442404, v('(', ')', end_of_file), d)
^  Fail: (223) [user] is_delimiter(d)
   Call: (223) [system] ')'==d
   Fail: (223) [system] ')'==d
   Call: (223) [system] get_char((0x55772f068e50), d)
   Exit: (223) [system] get_char((0x55772f068e50), d)
   Call: (223) [system] d=(\)
   Fail: (223) [system] d=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1449754)
   Call: (224) [system] peek_char((0x55772f068e50), _1450688)
   Exit: (224) [system] peek_char((0x55772f068e50), 'L')
^  Call: (224) [user] is_delimiter('L')
   Call: (225) [system] char_type('L', space)
   Fail: (225) [system] char_type('L', space)
   Call: (225) [system] arg(_1455408, v('(', ')', end_of_file), 'L')
   Fail: (225) [system] arg(_1456340, v('(', ')', end_of_file), 'L')
^  Fail: (224) [user] is_delimiter('L')
   Call: (224) [system] ')'=='L'
   Fail: (224) [system] ')'=='L'
   Call: (224) [system] get_char((0x55772f068e50), 'L')
   Exit: (224) [system] get_char((0x55772f068e50), 'L')
   Call: (224) [system] 'L'=(\)
   Fail: (224) [system] 'L'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1463690)
   Call: (225) [system] peek_char((0x55772f068e50), _1464624)
   Exit: (225) [system] peek_char((0x55772f068e50), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1469344, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_1470276, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x55772f068e50), i)
   Exit: (225) [system] get_char((0x55772f068e50), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1477626)
   Call: (226) [system] peek_char((0x55772f068e50), _1478560)
   Exit: (226) [system] peek_char((0x55772f068e50), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1483280, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1484212, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x55772f068e50), n)
   Exit: (226) [system] get_char((0x55772f068e50), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1491562)
   Call: (227) [system] peek_char((0x55772f068e50), _1492496)
   Exit: (227) [system] peek_char((0x55772f068e50), k)
^  Call: (227) [user] is_delimiter(k)
   Call: (228) [system] char_type(k, space)
   Fail: (228) [system] char_type(k, space)
   Call: (228) [system] arg(_1497216, v('(', ')', end_of_file), k)
   Fail: (228) [system] arg(_1498148, v('(', ')', end_of_file), k)
^  Fail: (227) [user] is_delimiter(k)
   Call: (227) [system] ')'==k
   Fail: (227) [system] ')'==k
   Call: (227) [system] get_char((0x55772f068e50), k)
   Exit: (227) [system] get_char((0x55772f068e50), k)
   Call: (227) [system] k=(\)
   Fail: (227) [system] k=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1505498)
   Call: (228) [system] peek_char((0x55772f068e50), _1506432)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1505498=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (227) [system] _1491562=[k]
   Exit: (227) [system] [k]=[k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (226) [system] _1477626=[n, k]
   Exit: (226) [system] [n, k]=[n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (225) [system] _1463690=[i, n, k]
   Exit: (225) [system] [i, n, k]=[i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (224) [system] _1449754=['L', i, n, k]
   Exit: (224) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (223) [system] _1435818=[d, 'L', i, n, k]
   Exit: (223) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (222) [system] _1421882=[n, d, 'L', i, n, k]
   Exit: (222) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (221) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1386372)
^  Call: (222) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1532480)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1533432, _1533434), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1532480), _1533414, fail)), '$restore_trace'(_1533432, _1533434))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1533432, _1533434))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1532480), _1533414, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1532480)
   Fail: (223) [system] atomic(_1532480)
   Call: (223) [system] atom_chars(_1532480, ['A', n, d, 'L', i, n, k])
   Exit: (223) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (222) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (222) [system] integer('AndLink')
   Fail: (222) [system] integer('AndLink')
   Call: (222) [system] _1386372='AndLink'
   Exit: (222) [system] 'AndLink'='AndLink'
^  Exit: (221) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (220) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (219) [user] read_list(')', (0x55772f068e50), _1547430)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1549288)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x55772f068e50), _1558882)
   Exit: (221) [system] get_char((0x55772f068e50), ' ')
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1561586)
   Exit: (222) [system] peek_char((0x55772f068e50), 'A')
   Call: (222) [system] 'A'=(;)
   Fail: (222) [system] 'A'=(;)
   Call: (222) [system] 'A'=(/)
   Fail: (222) [system] 'A'=(/)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Fail: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Fail: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Fail: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
   Fail: (223) [system] char_type('A', cntrl)
^  Fail: (222) [user] is_like_space('A')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1578520)
   Exit: (220) [system] peek_char((0x55772f068e50), 'A')
   Call: (220) [system] 'A'=')'
   Fail: (220) [system] 'A'=')'
   Call: (220) [system] 'A'=end_of_file
   Fail: (220) [system] 'A'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _1584090)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1585948)
   Exit: (222) [system] peek_char((0x55772f068e50), 'A')
   Call: (222) [system] 'A'=(;)
   Fail: (222) [system] 'A'=(;)
   Call: (222) [system] 'A'=(/)
   Fail: (222) [system] 'A'=(/)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Fail: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Fail: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Fail: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
   Fail: (223) [system] char_type('A', cntrl)
^  Fail: (222) [user] is_like_space('A')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _1601958)
   Exit: (221) [system] get_char((0x55772f068e50), 'A')
   Call: (221) [system] 'A'='('
   Fail: (221) [system] 'A'='('
   Call: (221) [system] 'A'='['
   Fail: (221) [system] 'A'='['
   Call: (221) [system] 'A'='{'
   Fail: (221) [system] 'A'='{'
   Call: (221) [system] 'A'='"'
   Fail: (221) [system] 'A'='"'
   Call: (221) [system] 'A'=!
   Fail: (221) [system] 'A'=!
   Call: (221) [system] 'A'='\''
   Fail: (221) [system] 'A'='\''
   Call: (221) [system] 'A'='`'
   Fail: (221) [system] 'A'='`'
   Call: (221) [system] 'A'=end_of_file
   Fail: (221) [system] 'A'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x55772f068e50), 'A', _1584090)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1619600)
   Call: (223) [system] peek_char((0x55772f068e50), _1620534)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1619600=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (222) [user] classify_and_convert_charseq(['A'], _1584090)
^  Call: (223) [user] classify_and_convert_charseq_(['A'], _1629818)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1630770, _1630772), once(user:catch(read_from_chars(['A'], _1629818), _1630752, fail)), '$restore_trace'(_1630770, _1630772))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1630770, _1630772))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1629818), _1630752, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1629818)
   Fail: (224) [system] atomic(_1629818)
   Call: (224) [system] atom_chars(_1629818, ['A'])
   Exit: (224) [system] atom_chars('A', ['A'])
^  Exit: (223) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (223) [system] integer('A')
   Fail: (223) [system] integer('A')
   Call: (223) [system] _1584090='A'
   Exit: (223) [system] 'A'='A'
^  Exit: (222) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (221) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (220) [user] read_list(')', (0x55772f068e50), _1644768)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1646626)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x55772f068e50), _1656220)
   Exit: (222) [system] get_char((0x55772f068e50), ' ')
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1658924)
   Exit: (223) [system] peek_char((0x55772f068e50), 'B')
   Call: (223) [system] 'B'=(;)
   Fail: (223) [system] 'B'=(;)
   Call: (223) [system] 'B'=(/)
   Fail: (223) [system] 'B'=(/)
^  Call: (223) [user] is_like_space('B')
   Call: (224) [system] char_type('B', 'white')
   Fail: (224) [system] char_type('B', 'white')
   Call: (224) [system] char_type('B', end_of_line)
   Fail: (224) [system] char_type('B', end_of_line)
   Call: (224) [system] char_type('B', space)
   Fail: (224) [system] char_type('B', space)
   Call: (224) [system] char_type('B', cntrl)
   Fail: (224) [system] char_type('B', cntrl)
^  Fail: (223) [user] is_like_space('B')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1675858)
   Exit: (221) [system] peek_char((0x55772f068e50), 'B')
   Call: (221) [system] 'B'=')'
   Fail: (221) [system] 'B'=')'
   Call: (221) [system] 'B'=end_of_file
   Fail: (221) [system] 'B'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _1681428)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1683286)
   Exit: (223) [system] peek_char((0x55772f068e50), 'B')
   Call: (223) [system] 'B'=(;)
   Fail: (223) [system] 'B'=(;)
   Call: (223) [system] 'B'=(/)
   Fail: (223) [system] 'B'=(/)
^  Call: (223) [user] is_like_space('B')
   Call: (224) [system] char_type('B', 'white')
   Fail: (224) [system] char_type('B', 'white')
   Call: (224) [system] char_type('B', end_of_line)
   Fail: (224) [system] char_type('B', end_of_line)
   Call: (224) [system] char_type('B', space)
   Fail: (224) [system] char_type('B', space)
   Call: (224) [system] char_type('B', cntrl)
   Fail: (224) [system] char_type('B', cntrl)
^  Fail: (223) [user] is_like_space('B')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _1699296)
   Exit: (222) [system] get_char((0x55772f068e50), 'B')
   Call: (222) [system] 'B'='('
   Fail: (222) [system] 'B'='('
   Call: (222) [system] 'B'='['
   Fail: (222) [system] 'B'='['
   Call: (222) [system] 'B'='{'
   Fail: (222) [system] 'B'='{'
   Call: (222) [system] 'B'='"'
   Fail: (222) [system] 'B'='"'
   Call: (222) [system] 'B'=!
   Fail: (222) [system] 'B'=!
   Call: (222) [system] 'B'='\''
   Fail: (222) [system] 'B'='\''
   Call: (222) [system] 'B'='`'
   Fail: (222) [system] 'B'='`'
   Call: (222) [system] 'B'=end_of_file
   Fail: (222) [system] 'B'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x55772f068e50), 'B', _1681428)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1716938)
   Call: (224) [system] peek_char((0x55772f068e50), _1717872)
   Exit: (224) [system] peek_char((0x55772f068e50), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_1722592, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _1716938=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (223) [user] classify_and_convert_charseq(['B'], _1681428)
^  Call: (224) [user] classify_and_convert_charseq_(['B'], _1729028)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1729980, _1729982), once(user:catch(read_from_chars(['B'], _1729028), _1729962, fail)), '$restore_trace'(_1729980, _1729982))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1729980, _1729982))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1729028), _1729962, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1729028)
   Fail: (225) [system] atomic(_1729028)
   Call: (225) [system] atom_chars(_1729028, ['B'])
   Exit: (225) [system] atom_chars('B', ['B'])
^  Exit: (224) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (224) [system] integer('B')
   Fail: (224) [system] integer('B')
   Call: (224) [system] _1681428='B'
   Exit: (224) [system] 'B'='B'
^  Exit: (223) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (222) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (221) [user] read_list(')', (0x55772f068e50), _1743978)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1745836)
   Exit: (223) [system] peek_char((0x55772f068e50), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
   Call: (223) [system] ')'=(/)
   Fail: (223) [system] ')'=(/)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1761846)
   Exit: (222) [system] peek_char((0x55772f068e50), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x55772f068e50), _1765636)
   Exit: (222) [system] get_char((0x55772f068e50), ')')
   Call: (222) [system] _1743978=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x55772f068e50), [])
   Call: (221) [system] _1644768=['B']
   Exit: (221) [system] ['B']=['B']
^  Exit: (220) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (220) [system] _1547430=['A', 'B']
   Exit: (220) [system] ['A', 'B']=['A', 'B']
^  Exit: (219) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (219) [system] _1341354=['AndLink', 'A', 'B']
   Exit: (219) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (218) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (217) [user] read_list(')', (0x55772f068e50), _1779518)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1781376)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x55772f068e50), _1790970)
   Exit: (219) [system] get_char((0x55772f068e50), ' ')
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1793674)
   Exit: (220) [system] peek_char((0x55772f068e50), 'C')
   Call: (220) [system] 'C'=(;)
   Fail: (220) [system] 'C'=(;)
   Call: (220) [system] 'C'=(/)
   Fail: (220) [system] 'C'=(/)
^  Call: (220) [user] is_like_space('C')
   Call: (221) [system] char_type('C', 'white')
   Fail: (221) [system] char_type('C', 'white')
   Call: (221) [system] char_type('C', end_of_line)
   Fail: (221) [system] char_type('C', end_of_line)
   Call: (221) [system] char_type('C', space)
   Fail: (221) [system] char_type('C', space)
   Call: (221) [system] char_type('C', cntrl)
   Fail: (221) [system] char_type('C', cntrl)
^  Fail: (220) [user] is_like_space('C')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1810608)
   Exit: (218) [system] peek_char((0x55772f068e50), 'C')
   Call: (218) [system] 'C'=')'
   Fail: (218) [system] 'C'=')'
   Call: (218) [system] 'C'=end_of_file
   Fail: (218) [system] 'C'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _1816178)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1818036)
   Exit: (220) [system] peek_char((0x55772f068e50), 'C')
   Call: (220) [system] 'C'=(;)
   Fail: (220) [system] 'C'=(;)
   Call: (220) [system] 'C'=(/)
   Fail: (220) [system] 'C'=(/)
^  Call: (220) [user] is_like_space('C')
   Call: (221) [system] char_type('C', 'white')
   Fail: (221) [system] char_type('C', 'white')
   Call: (221) [system] char_type('C', end_of_line)
   Fail: (221) [system] char_type('C', end_of_line)
   Call: (221) [system] char_type('C', space)
   Fail: (221) [system] char_type('C', space)
   Call: (221) [system] char_type('C', cntrl)
   Fail: (221) [system] char_type('C', cntrl)
^  Fail: (220) [user] is_like_space('C')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _1834046)
   Exit: (219) [system] get_char((0x55772f068e50), 'C')
   Call: (219) [system] 'C'='('
   Fail: (219) [system] 'C'='('
   Call: (219) [system] 'C'='['
   Fail: (219) [system] 'C'='['
   Call: (219) [system] 'C'='{'
   Fail: (219) [system] 'C'='{'
   Call: (219) [system] 'C'='"'
   Fail: (219) [system] 'C'='"'
   Call: (219) [system] 'C'=!
   Fail: (219) [system] 'C'=!
   Call: (219) [system] 'C'='\''
   Fail: (219) [system] 'C'='\''
   Call: (219) [system] 'C'='`'
   Fail: (219) [system] 'C'='`'
   Call: (219) [system] 'C'=end_of_file
   Fail: (219) [system] 'C'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x55772f068e50), 'C', _1816178)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1851688)
   Call: (221) [system] peek_char((0x55772f068e50), _1852622)
   Exit: (221) [system] peek_char((0x55772f068e50), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_1857342, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _1851688=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (220) [user] classify_and_convert_charseq(['C'], _1816178)
^  Call: (221) [user] classify_and_convert_charseq_(['C'], _1863778)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_1864730, _1864732), once(user:catch(read_from_chars(['C'], _1863778), _1864712, fail)), '$restore_trace'(_1864730, _1864732))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_1864730, _1864732))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1863778), _1864712, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_1863778)
   Fail: (222) [system] atomic(_1863778)
   Call: (222) [system] atom_chars(_1863778, ['C'])
   Exit: (222) [system] atom_chars('C', ['C'])
^  Exit: (221) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (221) [system] integer('C')
   Fail: (221) [system] integer('C')
   Call: (221) [system] _1816178='C'
   Exit: (221) [system] 'C'='C'
^  Exit: (220) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (219) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (218) [user] read_list(')', (0x55772f068e50), _1878728)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1880586)
   Exit: (220) [system] peek_char((0x55772f068e50), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
   Call: (220) [system] ')'=(/)
   Fail: (220) [system] ')'=(/)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1896596)
   Exit: (219) [system] peek_char((0x55772f068e50), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x55772f068e50), _1900386)
   Exit: (219) [system] get_char((0x55772f068e50), ')')
   Call: (219) [system] _1878728=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x55772f068e50), [])
   Call: (218) [system] _1779518=['C']
   Exit: (218) [system] ['C']=['C']
^  Exit: (217) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (217) [system] _1304694=[['AndLink', 'A', 'B'], 'C']
   Exit: (217) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (216) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (216) [system] _1031698=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (216) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (215) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (214) [user] read_list(')', (0x55772f068e50), _1914268)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1916126)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x55772f068e50), _1925720)
   Exit: (216) [system] get_char((0x55772f068e50), ' ')
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1928424)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1945358)
   Exit: (215) [system] peek_char((0x55772f068e50), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x55772f068e50), _1950928)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1952786)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] get_char((0x55772f068e50), _1968796)
   Exit: (216) [system] get_char((0x55772f068e50), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x55772f068e50), _1950928)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1974366)
   Exit: (218) [system] peek_char((0x55772f068e50), 'I')
   Call: (218) [system] 'I'=(;)
   Fail: (218) [system] 'I'=(;)
   Call: (218) [system] 'I'=(/)
   Fail: (218) [system] 'I'=(/)
^  Call: (218) [user] is_like_space('I')
   Call: (219) [system] char_type('I', 'white')
   Fail: (219) [system] char_type('I', 'white')
   Call: (219) [system] char_type('I', end_of_line)
   Fail: (219) [system] char_type('I', end_of_line)
   Call: (219) [system] char_type('I', space)
   Fail: (219) [system] char_type('I', space)
   Call: (219) [system] char_type('I', cntrl)
   Fail: (219) [system] char_type('I', cntrl)
^  Fail: (218) [user] is_like_space('I')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1990376)
   Exit: (217) [system] peek_char((0x55772f068e50), 'I')
   Call: (217) [system] 'I'=')'
   Fail: (217) [system] 'I'=')'
   Call: (217) [system] 'I'=end_of_file
   Fail: (217) [system] 'I'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _1995946)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1997804)
   Exit: (219) [system] peek_char((0x55772f068e50), 'I')
   Call: (219) [system] 'I'=(;)
   Fail: (219) [system] 'I'=(;)
   Call: (219) [system] 'I'=(/)
   Fail: (219) [system] 'I'=(/)
^  Call: (219) [user] is_like_space('I')
   Call: (220) [system] char_type('I', 'white')
   Fail: (220) [system] char_type('I', 'white')
   Call: (220) [system] char_type('I', end_of_line)
   Fail: (220) [system] char_type('I', end_of_line)
   Call: (220) [system] char_type('I', space)
   Fail: (220) [system] char_type('I', space)
   Call: (220) [system] char_type('I', cntrl)
   Fail: (220) [system] char_type('I', cntrl)
^  Fail: (219) [user] is_like_space('I')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _2013814)
   Exit: (218) [system] get_char((0x55772f068e50), 'I')
   Call: (218) [system] 'I'='('
   Fail: (218) [system] 'I'='('
   Call: (218) [system] 'I'='['
   Fail: (218) [system] 'I'='['
   Call: (218) [system] 'I'='{'
   Fail: (218) [system] 'I'='{'
   Call: (218) [system] 'I'='"'
   Fail: (218) [system] 'I'='"'
   Call: (218) [system] 'I'=!
   Fail: (218) [system] 'I'=!
   Call: (218) [system] 'I'='\''
   Fail: (218) [system] 'I'='\''
   Call: (218) [system] 'I'='`'
   Fail: (218) [system] 'I'='`'
   Call: (218) [system] 'I'=end_of_file
   Fail: (218) [system] 'I'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x55772f068e50), 'I', _1995946)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _2031456)
   Call: (220) [system] peek_char((0x55772f068e50), _2032390)
   Exit: (220) [system] peek_char((0x55772f068e50), m)
^  Call: (220) [user] is_delimiter(m)
   Call: (221) [system] char_type(m, space)
   Fail: (221) [system] char_type(m, space)
   Call: (221) [system] arg(_2037110, v('(', ')', end_of_file), m)
   Fail: (221) [system] arg(_2038042, v('(', ')', end_of_file), m)
^  Fail: (220) [user] is_delimiter(m)
   Call: (220) [system] ')'==m
   Fail: (220) [system] ')'==m
   Call: (220) [system] get_char((0x55772f068e50), m)
   Exit: (220) [system] get_char((0x55772f068e50), m)
   Call: (220) [system] m=(\)
   Fail: (220) [system] m=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _2045392)
   Call: (221) [system] peek_char((0x55772f068e50), _2046326)
   Exit: (221) [system] peek_char((0x55772f068e50), p)
^  Call: (221) [user] is_delimiter(p)
   Call: (222) [system] char_type(p, space)
   Fail: (222) [system] char_type(p, space)
   Call: (222) [system] arg(_2051046, v('(', ')', end_of_file), p)
   Fail: (222) [system] arg(_2051978, v('(', ')', end_of_file), p)
^  Fail: (221) [user] is_delimiter(p)
   Call: (221) [system] ')'==p
   Fail: (221) [system] ')'==p
   Call: (221) [system] get_char((0x55772f068e50), p)
   Exit: (221) [system] get_char((0x55772f068e50), p)
   Call: (221) [system] p=(\)
   Fail: (221) [system] p=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _2059328)
   Call: (222) [system] peek_char((0x55772f068e50), _2060262)
   Exit: (222) [system] peek_char((0x55772f068e50), l)
^  Call: (222) [user] is_delimiter(l)
   Call: (223) [system] char_type(l, space)
   Fail: (223) [system] char_type(l, space)
   Call: (223) [system] arg(_2064982, v('(', ')', end_of_file), l)
   Fail: (223) [system] arg(_2065914, v('(', ')', end_of_file), l)
^  Fail: (222) [user] is_delimiter(l)
   Call: (222) [system] ')'==l
   Fail: (222) [system] ')'==l
   Call: (222) [system] get_char((0x55772f068e50), l)
   Exit: (222) [system] get_char((0x55772f068e50), l)
   Call: (222) [system] l=(\)
   Fail: (222) [system] l=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _2073264)
   Call: (223) [system] peek_char((0x55772f068e50), _2074198)
   Exit: (223) [system] peek_char((0x55772f068e50), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_2078918, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_2079850, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x55772f068e50), i)
   Exit: (223) [system] get_char((0x55772f068e50), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _2087200)
   Call: (224) [system] peek_char((0x55772f068e50), _2088134)
   Exit: (224) [system] peek_char((0x55772f068e50), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_2092854, v('(', ')', end_of_file), c)
   Fail: (225) [system] arg(_2093786, v('(', ')', end_of_file), c)
^  Fail: (224) [user] is_delimiter(c)
   Call: (224) [system] ')'==c
   Fail: (224) [system] ')'==c
   Call: (224) [system] get_char((0x55772f068e50), c)
   Exit: (224) [system] get_char((0x55772f068e50), c)
   Call: (224) [system] c=(\)
   Fail: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _8642)
   Call: (225) [system] peek_char((0x55772f068e50), _9576)
   Exit: (225) [system] peek_char((0x55772f068e50), a)
^  Call: (225) [user] is_delimiter(a)
   Call: (226) [system] char_type(a, space)
   Fail: (226) [system] char_type(a, space)
   Call: (226) [system] arg(_14296, v('(', ')', end_of_file), a)
   Fail: (226) [system] arg(_15228, v('(', ')', end_of_file), a)
^  Fail: (225) [user] is_delimiter(a)
   Call: (225) [system] ')'==a
   Fail: (225) [system] ')'==a
   Call: (225) [system] get_char((0x55772f068e50), a)
   Exit: (225) [system] get_char((0x55772f068e50), a)
   Call: (225) [system] a=(\)
   Fail: (225) [system] a=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _22578)
   Call: (226) [system] peek_char((0x55772f068e50), _23512)
   Exit: (226) [system] peek_char((0x55772f068e50), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_28232, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_29164, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x55772f068e50), t)
   Exit: (226) [system] get_char((0x55772f068e50), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _36514)
   Call: (227) [system] peek_char((0x55772f068e50), _37448)
   Exit: (227) [system] peek_char((0x55772f068e50), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_42168, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_43100, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x55772f068e50), i)
   Exit: (227) [system] get_char((0x55772f068e50), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _50450)
   Call: (228) [system] peek_char((0x55772f068e50), _51384)
   Exit: (228) [system] peek_char((0x55772f068e50), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_56104, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_57036, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x55772f068e50), o)
   Exit: (228) [system] get_char((0x55772f068e50), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _64386)
   Call: (229) [system] peek_char((0x55772f068e50), _65320)
   Exit: (229) [system] peek_char((0x55772f068e50), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_70040, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_70972, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x55772f068e50), n)
   Exit: (229) [system] get_char((0x55772f068e50), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _78322)
   Call: (230) [system] peek_char((0x55772f068e50), _79256)
   Exit: (230) [system] peek_char((0x55772f068e50), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _78322=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (229) [system] _64386=[n]
   Exit: (229) [system] [n]=[n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (228) [system] _50450=[o, n]
   Exit: (228) [system] [o, n]=[o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (227) [system] _36514=[i, o, n]
   Exit: (227) [system] [i, o, n]=[i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (226) [system] _22578=[t, i, o, n]
   Exit: (226) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (225) [system] _8642=[a, t, i, o, n]
   Exit: (225) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (224) [system] _4300=[c, a, t, i, o, n]
   Exit: (224) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (223) [system] _4296=[i, c, a, t, i, o, n]
   Exit: (223) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (222) [system] _4292=[l, i, c, a, t, i, o, n]
   Exit: (222) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (221) [system] _4288=[p, l, i, c, a, t, i, o, n]
   Exit: (221) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (220) [system] _4284=[m, p, l, i, c, a, t, i, o, n]
   Exit: (220) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (219) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _4280)
^  Call: (220) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _116480)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_117432, _117434), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _116480), _117414, fail)), '$restore_trace'(_117432, _117434))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_117432, _117434))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _116480), _117414, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_116480)
   Fail: (221) [system] atomic(_116480)
   Call: (221) [system] atom_chars(_116480, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (221) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (220) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (220) [system] integer('Implication')
   Fail: (220) [system] integer('Implication')
   Call: (220) [system] _4280='Implication'
   Exit: (220) [system] 'Implication'='Implication'
^  Exit: (219) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (218) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (217) [user] read_list(')', (0x55772f068e50), _131430)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _133288)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x55772f068e50), _142882)
   Exit: (219) [system] get_char((0x55772f068e50), ' ')
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _145586)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _162520)
   Exit: (218) [system] peek_char((0x55772f068e50), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _168090)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _169948)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _185958)
   Exit: (219) [system] get_char((0x55772f068e50), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x55772f068e50), _168090)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _191528)
   Exit: (221) [system] peek_char((0x55772f068e50), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
   Call: (221) [system] 'A'=(/)
   Fail: (221) [system] 'A'=(/)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _207538)
   Exit: (220) [system] peek_char((0x55772f068e50), 'A')
   Call: (220) [system] 'A'=')'
   Fail: (220) [system] 'A'=')'
   Call: (220) [system] 'A'=end_of_file
   Fail: (220) [system] 'A'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _213108)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _214966)
   Exit: (222) [system] peek_char((0x55772f068e50), 'A')
   Call: (222) [system] 'A'=(;)
   Fail: (222) [system] 'A'=(;)
   Call: (222) [system] 'A'=(/)
   Fail: (222) [system] 'A'=(/)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Fail: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Fail: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Fail: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
   Fail: (223) [system] char_type('A', cntrl)
^  Fail: (222) [user] is_like_space('A')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _230976)
   Exit: (221) [system] get_char((0x55772f068e50), 'A')
   Call: (221) [system] 'A'='('
   Fail: (221) [system] 'A'='('
   Call: (221) [system] 'A'='['
   Fail: (221) [system] 'A'='['
   Call: (221) [system] 'A'='{'
   Fail: (221) [system] 'A'='{'
   Call: (221) [system] 'A'='"'
   Fail: (221) [system] 'A'='"'
   Call: (221) [system] 'A'=!
   Fail: (221) [system] 'A'=!
   Call: (221) [system] 'A'='\''
   Fail: (221) [system] 'A'='\''
   Call: (221) [system] 'A'='`'
   Fail: (221) [system] 'A'='`'
   Call: (221) [system] 'A'=end_of_file
   Fail: (221) [system] 'A'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x55772f068e50), 'A', _213108)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _248618)
   Call: (223) [system] peek_char((0x55772f068e50), _249552)
   Exit: (223) [system] peek_char((0x55772f068e50), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_254272, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_255204, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x55772f068e50), n)
   Exit: (223) [system] get_char((0x55772f068e50), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _262554)
   Call: (224) [system] peek_char((0x55772f068e50), _263488)
   Exit: (224) [system] peek_char((0x55772f068e50), d)
^  Call: (224) [user] is_delimiter(d)
   Call: (225) [system] char_type(d, space)
   Fail: (225) [system] char_type(d, space)
   Call: (225) [system] arg(_268208, v('(', ')', end_of_file), d)
   Fail: (225) [system] arg(_269140, v('(', ')', end_of_file), d)
^  Fail: (224) [user] is_delimiter(d)
   Call: (224) [system] ')'==d
   Fail: (224) [system] ')'==d
   Call: (224) [system] get_char((0x55772f068e50), d)
   Exit: (224) [system] get_char((0x55772f068e50), d)
   Call: (224) [system] d=(\)
   Fail: (224) [system] d=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _276490)
   Call: (225) [system] peek_char((0x55772f068e50), _277424)
   Exit: (225) [system] peek_char((0x55772f068e50), 'L')
^  Call: (225) [user] is_delimiter('L')
   Call: (226) [system] char_type('L', space)
   Fail: (226) [system] char_type('L', space)
   Call: (226) [system] arg(_282144, v('(', ')', end_of_file), 'L')
   Fail: (226) [system] arg(_283076, v('(', ')', end_of_file), 'L')
^  Fail: (225) [user] is_delimiter('L')
   Call: (225) [system] ')'=='L'
   Fail: (225) [system] ')'=='L'
   Call: (225) [system] get_char((0x55772f068e50), 'L')
   Exit: (225) [system] get_char((0x55772f068e50), 'L')
   Call: (225) [system] 'L'=(\)
   Fail: (225) [system] 'L'=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _290426)
   Call: (226) [system] peek_char((0x55772f068e50), _291360)
   Exit: (226) [system] peek_char((0x55772f068e50), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_296080, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_297012, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x55772f068e50), i)
   Exit: (226) [system] get_char((0x55772f068e50), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _304362)
   Call: (227) [system] peek_char((0x55772f068e50), _305296)
   Exit: (227) [system] peek_char((0x55772f068e50), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_310016, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_310948, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x55772f068e50), n)
   Exit: (227) [system] get_char((0x55772f068e50), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _318298)
   Call: (228) [system] peek_char((0x55772f068e50), _319232)
   Exit: (228) [system] peek_char((0x55772f068e50), k)
^  Call: (228) [user] is_delimiter(k)
   Call: (229) [system] char_type(k, space)
   Fail: (229) [system] char_type(k, space)
   Call: (229) [system] arg(_323952, v('(', ')', end_of_file), k)
   Fail: (229) [system] arg(_324884, v('(', ')', end_of_file), k)
^  Fail: (228) [user] is_delimiter(k)
   Call: (228) [system] ')'==k
   Fail: (228) [system] ')'==k
   Call: (228) [system] get_char((0x55772f068e50), k)
   Exit: (228) [system] get_char((0x55772f068e50), k)
   Call: (228) [system] k=(\)
   Fail: (228) [system] k=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _332234)
   Call: (229) [system] peek_char((0x55772f068e50), _333168)
   Exit: (229) [system] peek_char((0x55772f068e50), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _332234=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (228) [system] _318298=[k]
   Exit: (228) [system] [k]=[k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (227) [system] _304362=[n, k]
   Exit: (227) [system] [n, k]=[n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (226) [system] _290426=[i, n, k]
   Exit: (226) [system] [i, n, k]=[i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (225) [system] _276490=['L', i, n, k]
   Exit: (225) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (224) [system] _262554=[d, 'L', i, n, k]
   Exit: (224) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (223) [system] _248618=[n, d, 'L', i, n, k]
   Exit: (223) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (222) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _213108)
^  Call: (223) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _359216)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_360168, _360170), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _359216), _360150, fail)), '$restore_trace'(_360168, _360170))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_360168, _360170))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _359216), _360150, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_359216)
   Fail: (224) [system] atomic(_359216)
   Call: (224) [system] atom_chars(_359216, ['A', n, d, 'L', i, n, k])
   Exit: (224) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (223) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (223) [system] integer('AndLink')
   Fail: (223) [system] integer('AndLink')
   Call: (223) [system] _213108='AndLink'
   Exit: (223) [system] 'AndLink'='AndLink'
^  Exit: (222) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (221) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (220) [user] read_list(')', (0x55772f068e50), _374166)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _376024)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x55772f068e50), _385618)
   Exit: (222) [system] get_char((0x55772f068e50), ' ')
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _388322)
   Exit: (223) [system] peek_char((0x55772f068e50), 'A')
   Call: (223) [system] 'A'=(;)
   Fail: (223) [system] 'A'=(;)
   Call: (223) [system] 'A'=(/)
   Fail: (223) [system] 'A'=(/)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Fail: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Fail: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Fail: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
   Fail: (224) [system] char_type('A', cntrl)
^  Fail: (223) [user] is_like_space('A')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _405256)
   Exit: (221) [system] peek_char((0x55772f068e50), 'A')
   Call: (221) [system] 'A'=')'
   Fail: (221) [system] 'A'=')'
   Call: (221) [system] 'A'=end_of_file
   Fail: (221) [system] 'A'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _410826)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _412684)
   Exit: (223) [system] peek_char((0x55772f068e50), 'A')
   Call: (223) [system] 'A'=(;)
   Fail: (223) [system] 'A'=(;)
   Call: (223) [system] 'A'=(/)
   Fail: (223) [system] 'A'=(/)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Fail: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Fail: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Fail: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
   Fail: (224) [system] char_type('A', cntrl)
^  Fail: (223) [user] is_like_space('A')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _428694)
   Exit: (222) [system] get_char((0x55772f068e50), 'A')
   Call: (222) [system] 'A'='('
   Fail: (222) [system] 'A'='('
   Call: (222) [system] 'A'='['
   Fail: (222) [system] 'A'='['
   Call: (222) [system] 'A'='{'
   Fail: (222) [system] 'A'='{'
   Call: (222) [system] 'A'='"'
   Fail: (222) [system] 'A'='"'
   Call: (222) [system] 'A'=!
   Fail: (222) [system] 'A'=!
   Call: (222) [system] 'A'='\''
   Fail: (222) [system] 'A'='\''
   Call: (222) [system] 'A'='`'
   Fail: (222) [system] 'A'='`'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x55772f068e50), 'A', _410826)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _446336)
   Call: (224) [system] peek_char((0x55772f068e50), _447270)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _446336=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (223) [user] classify_and_convert_charseq(['A'], _410826)
^  Call: (224) [user] classify_and_convert_charseq_(['A'], _456554)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_457506, _457508), once(user:catch(read_from_chars(['A'], _456554), _457488, fail)), '$restore_trace'(_457506, _457508))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_457506, _457508))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _456554), _457488, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_456554)
   Fail: (225) [system] atomic(_456554)
   Call: (225) [system] atom_chars(_456554, ['A'])
   Exit: (225) [system] atom_chars('A', ['A'])
^  Exit: (224) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (224) [system] integer('A')
   Fail: (224) [system] integer('A')
   Call: (224) [system] _410826='A'
   Exit: (224) [system] 'A'='A'
^  Exit: (223) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (222) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (221) [user] read_list(')', (0x55772f068e50), _471504)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _473362)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x55772f068e50), _482956)
   Exit: (223) [system] get_char((0x55772f068e50), ' ')
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _485660)
   Exit: (224) [system] peek_char((0x55772f068e50), 'B')
   Call: (224) [system] 'B'=(;)
   Fail: (224) [system] 'B'=(;)
   Call: (224) [system] 'B'=(/)
   Fail: (224) [system] 'B'=(/)
^  Call: (224) [user] is_like_space('B')
   Call: (225) [system] char_type('B', 'white')
   Fail: (225) [system] char_type('B', 'white')
   Call: (225) [system] char_type('B', end_of_line)
   Fail: (225) [system] char_type('B', end_of_line)
   Call: (225) [system] char_type('B', space)
   Fail: (225) [system] char_type('B', space)
   Call: (225) [system] char_type('B', cntrl)
   Fail: (225) [system] char_type('B', cntrl)
^  Fail: (224) [user] is_like_space('B')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _502594)
   Exit: (222) [system] peek_char((0x55772f068e50), 'B')
   Call: (222) [system] 'B'=')'
   Fail: (222) [system] 'B'=')'
   Call: (222) [system] 'B'=end_of_file
   Fail: (222) [system] 'B'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _508164)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _510022)
   Exit: (224) [system] peek_char((0x55772f068e50), 'B')
   Call: (224) [system] 'B'=(;)
   Fail: (224) [system] 'B'=(;)
   Call: (224) [system] 'B'=(/)
   Fail: (224) [system] 'B'=(/)
^  Call: (224) [user] is_like_space('B')
   Call: (225) [system] char_type('B', 'white')
   Fail: (225) [system] char_type('B', 'white')
   Call: (225) [system] char_type('B', end_of_line)
   Fail: (225) [system] char_type('B', end_of_line)
   Call: (225) [system] char_type('B', space)
   Fail: (225) [system] char_type('B', space)
   Call: (225) [system] char_type('B', cntrl)
   Fail: (225) [system] char_type('B', cntrl)
^  Fail: (224) [user] is_like_space('B')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _526032)
   Exit: (223) [system] get_char((0x55772f068e50), 'B')
   Call: (223) [system] 'B'='('
   Fail: (223) [system] 'B'='('
   Call: (223) [system] 'B'='['
   Fail: (223) [system] 'B'='['
   Call: (223) [system] 'B'='{'
   Fail: (223) [system] 'B'='{'
   Call: (223) [system] 'B'='"'
   Fail: (223) [system] 'B'='"'
   Call: (223) [system] 'B'=!
   Fail: (223) [system] 'B'=!
   Call: (223) [system] 'B'='\''
   Fail: (223) [system] 'B'='\''
   Call: (223) [system] 'B'='`'
   Fail: (223) [system] 'B'='`'
   Call: (223) [system] 'B'=end_of_file
   Fail: (223) [system] 'B'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x55772f068e50), 'B', _508164)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _543674)
   Call: (225) [system] peek_char((0x55772f068e50), _544608)
   Exit: (225) [system] peek_char((0x55772f068e50), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_549328, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _543674=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (224) [user] classify_and_convert_charseq(['B'], _508164)
^  Call: (225) [user] classify_and_convert_charseq_(['B'], _555764)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_556716, _556718), once(user:catch(read_from_chars(['B'], _555764), _556698, fail)), '$restore_trace'(_556716, _556718))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_556716, _556718))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _555764), _556698, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_555764)
   Fail: (226) [system] atomic(_555764)
   Call: (226) [system] atom_chars(_555764, ['B'])
   Exit: (226) [system] atom_chars('B', ['B'])
^  Exit: (225) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (225) [system] integer('B')
   Fail: (225) [system] integer('B')
   Call: (225) [system] _508164='B'
   Exit: (225) [system] 'B'='B'
^  Exit: (224) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (223) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (222) [user] read_list(')', (0x55772f068e50), _570714)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _572572)
   Exit: (224) [system] peek_char((0x55772f068e50), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
   Call: (224) [system] ')'=(/)
   Fail: (224) [system] ')'=(/)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _588582)
   Exit: (223) [system] peek_char((0x55772f068e50), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x55772f068e50), _592372)
   Exit: (223) [system] get_char((0x55772f068e50), ')')
   Call: (223) [system] _570714=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x55772f068e50), [])
   Call: (222) [system] _471504=['B']
   Exit: (222) [system] ['B']=['B']
^  Exit: (221) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (221) [system] _374166=['A', 'B']
   Exit: (221) [system] ['A', 'B']=['A', 'B']
^  Exit: (220) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (220) [system] _168090=['AndLink', 'A', 'B']
   Exit: (220) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (219) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (218) [user] read_list(')', (0x55772f068e50), _606254)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _608112)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x55772f068e50), _617706)
   Exit: (220) [system] get_char((0x55772f068e50), ' ')
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _620410)
   Exit: (221) [system] peek_char((0x55772f068e50), 'C')
   Call: (221) [system] 'C'=(;)
   Fail: (221) [system] 'C'=(;)
   Call: (221) [system] 'C'=(/)
   Fail: (221) [system] 'C'=(/)
^  Call: (221) [user] is_like_space('C')
   Call: (222) [system] char_type('C', 'white')
   Fail: (222) [system] char_type('C', 'white')
   Call: (222) [system] char_type('C', end_of_line)
   Fail: (222) [system] char_type('C', end_of_line)
   Call: (222) [system] char_type('C', space)
   Fail: (222) [system] char_type('C', space)
   Call: (222) [system] char_type('C', cntrl)
   Fail: (222) [system] char_type('C', cntrl)
^  Fail: (221) [user] is_like_space('C')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _637344)
   Exit: (219) [system] peek_char((0x55772f068e50), 'C')
   Call: (219) [system] 'C'=')'
   Fail: (219) [system] 'C'=')'
   Call: (219) [system] 'C'=end_of_file
   Fail: (219) [system] 'C'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _642914)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _644772)
   Exit: (221) [system] peek_char((0x55772f068e50), 'C')
   Call: (221) [system] 'C'=(;)
   Fail: (221) [system] 'C'=(;)
   Call: (221) [system] 'C'=(/)
   Fail: (221) [system] 'C'=(/)
^  Call: (221) [user] is_like_space('C')
   Call: (222) [system] char_type('C', 'white')
   Fail: (222) [system] char_type('C', 'white')
   Call: (222) [system] char_type('C', end_of_line)
   Fail: (222) [system] char_type('C', end_of_line)
   Call: (222) [system] char_type('C', space)
   Fail: (222) [system] char_type('C', space)
   Call: (222) [system] char_type('C', cntrl)
   Fail: (222) [system] char_type('C', cntrl)
^  Fail: (221) [user] is_like_space('C')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _660782)
   Exit: (220) [system] get_char((0x55772f068e50), 'C')
   Call: (220) [system] 'C'='('
   Fail: (220) [system] 'C'='('
   Call: (220) [system] 'C'='['
   Fail: (220) [system] 'C'='['
   Call: (220) [system] 'C'='{'
   Fail: (220) [system] 'C'='{'
   Call: (220) [system] 'C'='"'
   Fail: (220) [system] 'C'='"'
   Call: (220) [system] 'C'=!
   Fail: (220) [system] 'C'=!
   Call: (220) [system] 'C'='\''
   Fail: (220) [system] 'C'='\''
   Call: (220) [system] 'C'='`'
   Fail: (220) [system] 'C'='`'
   Call: (220) [system] 'C'=end_of_file
   Fail: (220) [system] 'C'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x55772f068e50), 'C', _642914)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _678424)
   Call: (222) [system] peek_char((0x55772f068e50), _679358)
   Exit: (222) [system] peek_char((0x55772f068e50), ')')
^  Call: (222) [user] is_delimiter(')')
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] arg(_684078, v('(', ')', end_of_file), ')')
   Exit: (223) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (222) [user] is_delimiter(')')
   Call: (222) [system] _678424=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (221) [user] classify_and_convert_charseq(['C'], _642914)
^  Call: (222) [user] classify_and_convert_charseq_(['C'], _690514)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_691466, _691468), once(user:catch(read_from_chars(['C'], _690514), _691448, fail)), '$restore_trace'(_691466, _691468))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_691466, _691468))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _690514), _691448, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_690514)
   Fail: (223) [system] atomic(_690514)
   Call: (223) [system] atom_chars(_690514, ['C'])
   Exit: (223) [system] atom_chars('C', ['C'])
^  Exit: (222) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (222) [system] integer('C')
   Fail: (222) [system] integer('C')
   Call: (222) [system] _642914='C'
   Exit: (222) [system] 'C'='C'
^  Exit: (221) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (220) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (219) [user] read_list(')', (0x55772f068e50), _705464)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _707322)
   Exit: (221) [system] peek_char((0x55772f068e50), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
   Call: (221) [system] ')'=(/)
   Fail: (221) [system] ')'=(/)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _723332)
   Exit: (220) [system] peek_char((0x55772f068e50), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x55772f068e50), _727122)
   Exit: (220) [system] get_char((0x55772f068e50), ')')
   Call: (220) [system] _705464=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x55772f068e50), [])
   Call: (219) [system] _606254=['C']
   Exit: (219) [system] ['C']=['C']
^  Exit: (218) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (218) [system] _131430=[['AndLink', 'A', 'B'], 'C']
   Exit: (218) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (217) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (217) [system] _4274=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (217) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (216) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (215) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (215) [user] read_list(')', (0x55772f068e50), _741004)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _742862)
   Exit: (217) [system] peek_char((0x55772f068e50), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
   Call: (217) [system] ')'=(/)
   Fail: (217) [system] ')'=(/)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _758872)
   Exit: (216) [system] peek_char((0x55772f068e50), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x55772f068e50), _762662)
   Exit: (216) [system] get_char((0x55772f068e50), ')')
   Call: (216) [system] _741004=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x55772f068e50), [])
   Call: (215) [system] _4270=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (215) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (214) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (214) [system] _4228=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (214) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (213) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (213) [system] _4220=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (213) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (212) [user] read_list(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (211) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (211) [user] read_list(')', (0x55772f068e50), _776544)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _778402)
   Exit: (213) [system] peek_char((0x55772f068e50), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
   Call: (213) [system] ')'=(/)
   Fail: (213) [system] ')'=(/)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _794412)
   Exit: (212) [system] peek_char((0x55772f068e50), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x55772f068e50), _798202)
   Exit: (212) [system] get_char((0x55772f068e50), ')')
   Call: (212) [system] _776544=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x55772f068e50), [])
   Call: (211) [system] _4216=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (211) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (210) [user] read_list(')', (0x55772f068e50), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (210) [system] _4174=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (210) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (209) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (209) [system] _4166=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (209) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (208) [user] read_list(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (207) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (207) [user] read_list(')', (0x55772f068e50), _812084)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _813942)
   Exit: (209) [system] peek_char((0x55772f068e50), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
   Call: (209) [system] ')'=(/)
   Fail: (209) [system] ')'=(/)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _829952)
   Exit: (208) [system] peek_char((0x55772f068e50), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x55772f068e50), _833742)
   Exit: (208) [system] get_char((0x55772f068e50), ')')
   Call: (208) [system] _812084=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x55772f068e50), [])
   Call: (207) [system] _4162=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (207) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (206) [user] read_list(')', (0x55772f068e50), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (206) [system] _4120=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (206) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (205) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (205) [system] _4112=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (205) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (204) [user] read_list(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Exit: (203) [user] cont_sexpr(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Call: (203) [user] read_list(')', (0x55772f068e50), _847624)
^  Call: (204) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _849482)
   Exit: (205) [system] peek_char((0x55772f068e50), '\n')
   Call: (205) [system] '\n'=(;)
   Fail: (205) [system] '\n'=(;)
   Call: (205) [system] '\n'=(/)
   Fail: (205) [system] '\n'=(/)
^  Call: (205) [user] is_like_space('\n')
   Call: (206) [system] char_type('\n', 'white')
   Fail: (206) [system] char_type('\n', 'white')
   Call: (206) [system] char_type('\n', end_of_line)
   Exit: (206) [system] char_type('\n', end_of_line)
^  Exit: (205) [user] is_like_space('\n')
   Call: (205) [system] get_char((0x55772f068e50), _860932)
   Exit: (205) [system] get_char((0x55772f068e50), '\n')
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _863636)
   Exit: (206) [system] peek_char((0x55772f068e50), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x55772f068e50), _873230)
   Exit: (206) [system] get_char((0x55772f068e50), ' ')
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _875934)
   Exit: (207) [system] peek_char((0x55772f068e50), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
^  Exit: (204) [user] skip_spaces((0x55772f068e50))
   Call: (204) [system] peek_char((0x55772f068e50), _893792)
   Exit: (204) [system] peek_char((0x55772f068e50), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x55772f068e50), _899362)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _901220)
   Exit: (206) [system] peek_char((0x55772f068e50), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] get_char((0x55772f068e50), _917230)
   Exit: (205) [system] get_char((0x55772f068e50), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x55772f068e50), _899362)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _922800)
   Exit: (207) [system] peek_char((0x55772f068e50), :)
   Call: (207) [system] (:)=(;)
   Fail: (207) [system] (:)=(;)
   Call: (207) [system] (:)=(/)
   Fail: (207) [system] (:)=(/)
^  Call: (207) [user] is_like_space(:)
   Call: (208) [system] char_type(:, 'white')
   Fail: (208) [system] char_type(:, 'white')
   Call: (208) [system] char_type(:, end_of_line)
   Fail: (208) [system] char_type(:, end_of_line)
   Call: (208) [system] char_type(:, space)
   Fail: (208) [system] char_type(:, space)
   Call: (208) [system] char_type(:, cntrl)
   Fail: (208) [system] char_type(:, cntrl)
^  Fail: (207) [user] is_like_space(:)
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _938810)
   Exit: (206) [system] peek_char((0x55772f068e50), :)
   Call: (206) [system] (:)=')'
   Fail: (206) [system] (:)=')'
   Call: (206) [system] (:)=end_of_file
   Fail: (206) [system] (:)=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x55772f068e50), _944380)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _946238)
   Exit: (208) [system] peek_char((0x55772f068e50), :)
   Call: (208) [system] (:)=(;)
   Fail: (208) [system] (:)=(;)
   Call: (208) [system] (:)=(/)
   Fail: (208) [system] (:)=(/)
^  Call: (208) [user] is_like_space(:)
   Call: (209) [system] char_type(:, 'white')
   Fail: (209) [system] char_type(:, 'white')
   Call: (209) [system] char_type(:, end_of_line)
   Fail: (209) [system] char_type(:, end_of_line)
   Call: (209) [system] char_type(:, space)
   Fail: (209) [system] char_type(:, space)
   Call: (209) [system] char_type(:, cntrl)
   Fail: (209) [system] char_type(:, cntrl)
^  Fail: (208) [user] is_like_space(:)
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] get_char((0x55772f068e50), _962248)
   Exit: (207) [system] get_char((0x55772f068e50), :)
   Call: (207) [system] (:)='('
   Fail: (207) [system] (:)='('
   Call: (207) [system] (:)='['
   Fail: (207) [system] (:)='['
   Call: (207) [system] (:)='{'
   Fail: (207) [system] (:)='{'
   Call: (207) [system] (:)='"'
   Fail: (207) [system] (:)='"'
   Call: (207) [system] (:)=!
   Fail: (207) [system] (:)=!
   Call: (207) [system] (:)='\''
   Fail: (207) [system] (:)='\''
   Call: (207) [system] (:)='`'
   Fail: (207) [system] (:)='`'
   Call: (207) [system] (:)=end_of_file
   Fail: (207) [system] (:)=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x55772f068e50), :, _944380)
^  Call: (208) [user] read_symbolic_cont(')', (0x55772f068e50), _979890)
   Call: (209) [system] peek_char((0x55772f068e50), _980824)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _979890=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (208) [user] classify_and_convert_charseq([:], _944380)
^  Call: (209) [user] classify_and_convert_charseq_([:], _990108)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_991060, _991062), once(user:catch(read_from_chars([:], _990108), _991042, fail)), '$restore_trace'(_991060, _991062))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_991060, _991062))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _991042, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(:)
   Exit: (210) [system] atomic(:)
^  Exit: (209) [user] classify_and_convert_charseq_([:], :)
   Call: (209) [system] integer(:)
   Fail: (209) [system] integer(:)
   Call: (209) [system] _944380=(:)
   Exit: (209) [system] (:)=(:)
^  Exit: (208) [user] classify_and_convert_charseq([:], :)
^  Exit: (207) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (206) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (206) [user] read_list(')', (0x55772f068e50), _1003188)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1005046)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x55772f068e50), _1014640)
   Exit: (208) [system] get_char((0x55772f068e50), ' ')
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1017344)
   Exit: (209) [system] peek_char((0x55772f068e50), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1034278)
   Exit: (207) [system] peek_char((0x55772f068e50), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x55772f068e50), _1039848)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1041706)
   Exit: (209) [system] peek_char((0x55772f068e50), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] get_char((0x55772f068e50), _1057716)
   Exit: (208) [system] get_char((0x55772f068e50), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x55772f068e50), _1039848)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1063286)
   Exit: (210) [system] peek_char((0x55772f068e50), 'D')
   Call: (210) [system] 'D'=(;)
   Fail: (210) [system] 'D'=(;)
   Call: (210) [system] 'D'=(/)
   Fail: (210) [system] 'D'=(/)
^  Call: (210) [user] is_like_space('D')
   Call: (211) [system] char_type('D', 'white')
   Fail: (211) [system] char_type('D', 'white')
   Call: (211) [system] char_type('D', end_of_line)
   Fail: (211) [system] char_type('D', end_of_line)
   Call: (211) [system] char_type('D', space)
   Fail: (211) [system] char_type('D', space)
   Call: (211) [system] char_type('D', cntrl)
   Fail: (211) [system] char_type('D', cntrl)
^  Fail: (210) [user] is_like_space('D')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1079296)
   Exit: (209) [system] peek_char((0x55772f068e50), 'D')
   Call: (209) [system] 'D'=')'
   Fail: (209) [system] 'D'=')'
   Call: (209) [system] 'D'=end_of_file
   Fail: (209) [system] 'D'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x55772f068e50), _1084866)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1086724)
   Exit: (211) [system] peek_char((0x55772f068e50), 'D')
   Call: (211) [system] 'D'=(;)
   Fail: (211) [system] 'D'=(;)
   Call: (211) [system] 'D'=(/)
   Fail: (211) [system] 'D'=(/)
^  Call: (211) [user] is_like_space('D')
   Call: (212) [system] char_type('D', 'white')
   Fail: (212) [system] char_type('D', 'white')
   Call: (212) [system] char_type('D', end_of_line)
   Fail: (212) [system] char_type('D', end_of_line)
   Call: (212) [system] char_type('D', space)
   Fail: (212) [system] char_type('D', space)
   Call: (212) [system] char_type('D', cntrl)
   Fail: (212) [system] char_type('D', cntrl)
^  Fail: (211) [user] is_like_space('D')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] get_char((0x55772f068e50), _1102734)
   Exit: (210) [system] get_char((0x55772f068e50), 'D')
   Call: (210) [system] 'D'='('
   Fail: (210) [system] 'D'='('
   Call: (210) [system] 'D'='['
   Fail: (210) [system] 'D'='['
   Call: (210) [system] 'D'='{'
   Fail: (210) [system] 'D'='{'
   Call: (210) [system] 'D'='"'
   Fail: (210) [system] 'D'='"'
   Call: (210) [system] 'D'=!
   Fail: (210) [system] 'D'=!
   Call: (210) [system] 'D'='\''
   Fail: (210) [system] 'D'='\''
   Call: (210) [system] 'D'='`'
   Fail: (210) [system] 'D'='`'
   Call: (210) [system] 'D'=end_of_file
   Fail: (210) [system] 'D'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x55772f068e50), 'D', _1084866)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1120376)
   Call: (212) [system] peek_char((0x55772f068e50), _1121310)
   Exit: (212) [system] peek_char((0x55772f068e50), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1126030, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_1126962, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x55772f068e50), i)
   Exit: (212) [system] get_char((0x55772f068e50), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1134312)
   Call: (213) [system] peek_char((0x55772f068e50), _1135246)
   Exit: (213) [system] peek_char((0x55772f068e50), s)
^  Call: (213) [user] is_delimiter(s)
   Call: (214) [system] char_type(s, space)
   Fail: (214) [system] char_type(s, space)
   Call: (214) [system] arg(_1139966, v('(', ')', end_of_file), s)
   Fail: (214) [system] arg(_1140898, v('(', ')', end_of_file), s)
^  Fail: (213) [user] is_delimiter(s)
   Call: (213) [system] ')'==s
   Fail: (213) [system] ')'==s
   Call: (213) [system] get_char((0x55772f068e50), s)
   Exit: (213) [system] get_char((0x55772f068e50), s)
   Call: (213) [system] s=(\)
   Fail: (213) [system] s=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1148248)
   Call: (214) [system] peek_char((0x55772f068e50), _1149182)
   Exit: (214) [system] peek_char((0x55772f068e50), j)
^  Call: (214) [user] is_delimiter(j)
   Call: (215) [system] char_type(j, space)
   Fail: (215) [system] char_type(j, space)
   Call: (215) [system] arg(_1153902, v('(', ')', end_of_file), j)
   Fail: (215) [system] arg(_1154834, v('(', ')', end_of_file), j)
^  Fail: (214) [user] is_delimiter(j)
   Call: (214) [system] ')'==j
   Fail: (214) [system] ')'==j
   Call: (214) [system] get_char((0x55772f068e50), j)
   Exit: (214) [system] get_char((0x55772f068e50), j)
   Call: (214) [system] j=(\)
   Fail: (214) [system] j=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1162184)
   Call: (215) [system] peek_char((0x55772f068e50), _1163118)
   Exit: (215) [system] peek_char((0x55772f068e50), u)
^  Call: (215) [user] is_delimiter(u)
   Call: (216) [system] char_type(u, space)
   Fail: (216) [system] char_type(u, space)
   Call: (216) [system] arg(_1167838, v('(', ')', end_of_file), u)
   Fail: (216) [system] arg(_1168770, v('(', ')', end_of_file), u)
^  Fail: (215) [user] is_delimiter(u)
   Call: (215) [system] ')'==u
   Fail: (215) [system] ')'==u
   Call: (215) [system] get_char((0x55772f068e50), u)
   Exit: (215) [system] get_char((0x55772f068e50), u)
   Call: (215) [system] u=(\)
   Fail: (215) [system] u=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1176120)
   Call: (216) [system] peek_char((0x55772f068e50), _1177054)
   Exit: (216) [system] peek_char((0x55772f068e50), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1181774, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_1182706, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x55772f068e50), n)
   Exit: (216) [system] get_char((0x55772f068e50), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1190056)
   Call: (217) [system] peek_char((0x55772f068e50), _1190990)
   Exit: (217) [system] peek_char((0x55772f068e50), c)
^  Call: (217) [user] is_delimiter(c)
   Call: (218) [system] char_type(c, space)
   Fail: (218) [system] char_type(c, space)
   Call: (218) [system] arg(_1195710, v('(', ')', end_of_file), c)
   Fail: (218) [system] arg(_1196642, v('(', ')', end_of_file), c)
^  Fail: (217) [user] is_delimiter(c)
   Call: (217) [system] ')'==c
   Fail: (217) [system] ')'==c
   Call: (217) [system] get_char((0x55772f068e50), c)
   Exit: (217) [system] get_char((0x55772f068e50), c)
   Call: (217) [system] c=(\)
   Fail: (217) [system] c=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1203992)
   Call: (218) [system] peek_char((0x55772f068e50), _1204926)
   Exit: (218) [system] peek_char((0x55772f068e50), t)
^  Call: (218) [user] is_delimiter(t)
   Call: (219) [system] char_type(t, space)
   Fail: (219) [system] char_type(t, space)
   Call: (219) [system] arg(_1209646, v('(', ')', end_of_file), t)
   Fail: (219) [system] arg(_1210578, v('(', ')', end_of_file), t)
^  Fail: (218) [user] is_delimiter(t)
   Call: (218) [system] ')'==t
   Fail: (218) [system] ')'==t
   Call: (218) [system] get_char((0x55772f068e50), t)
   Exit: (218) [system] get_char((0x55772f068e50), t)
   Call: (218) [system] t=(\)
   Fail: (218) [system] t=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1217928)
   Call: (219) [system] peek_char((0x55772f068e50), _1218862)
   Exit: (219) [system] peek_char((0x55772f068e50), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_1223582, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_1224514, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x55772f068e50), i)
   Exit: (219) [system] get_char((0x55772f068e50), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1231864)
   Call: (220) [system] peek_char((0x55772f068e50), _1232798)
   Exit: (220) [system] peek_char((0x55772f068e50), o)
^  Call: (220) [user] is_delimiter(o)
   Call: (221) [system] char_type(o, space)
   Fail: (221) [system] char_type(o, space)
   Call: (221) [system] arg(_1237518, v('(', ')', end_of_file), o)
   Fail: (221) [system] arg(_1238450, v('(', ')', end_of_file), o)
^  Fail: (220) [user] is_delimiter(o)
   Call: (220) [system] ')'==o
   Fail: (220) [system] ')'==o
   Call: (220) [system] get_char((0x55772f068e50), o)
   Exit: (220) [system] get_char((0x55772f068e50), o)
   Call: (220) [system] o=(\)
   Fail: (220) [system] o=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1245800)
   Call: (221) [system] peek_char((0x55772f068e50), _1246734)
   Exit: (221) [system] peek_char((0x55772f068e50), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1251454, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1252386, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x55772f068e50), n)
   Exit: (221) [system] get_char((0x55772f068e50), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1259736)
   Call: (222) [system] peek_char((0x55772f068e50), _1260670)
   Exit: (222) [system] peek_char((0x55772f068e50), 'I')
^  Call: (222) [user] is_delimiter('I')
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] arg(_1265390, v('(', ')', end_of_file), 'I')
   Fail: (223) [system] arg(_1266322, v('(', ')', end_of_file), 'I')
^  Fail: (222) [user] is_delimiter('I')
   Call: (222) [system] ')'=='I'
   Fail: (222) [system] ')'=='I'
   Call: (222) [system] get_char((0x55772f068e50), 'I')
   Exit: (222) [system] get_char((0x55772f068e50), 'I')
   Call: (222) [system] 'I'=(\)
   Fail: (222) [system] 'I'=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1273672)
   Call: (223) [system] peek_char((0x55772f068e50), _1274606)
   Exit: (223) [system] peek_char((0x55772f068e50), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1279326, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_1280258, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x55772f068e50), n)
   Exit: (223) [system] get_char((0x55772f068e50), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1287608)
   Call: (224) [system] peek_char((0x55772f068e50), _1288542)
   Exit: (224) [system] peek_char((0x55772f068e50), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_1293262, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_1294194, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x55772f068e50), t)
   Exit: (224) [system] get_char((0x55772f068e50), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1301544)
   Call: (225) [system] peek_char((0x55772f068e50), _1302478)
   Exit: (225) [system] peek_char((0x55772f068e50), r)
^  Call: (225) [user] is_delimiter(r)
   Call: (226) [system] char_type(r, space)
   Fail: (226) [system] char_type(r, space)
   Call: (226) [system] arg(_1307198, v('(', ')', end_of_file), r)
   Fail: (226) [system] arg(_1308130, v('(', ')', end_of_file), r)
^  Fail: (225) [user] is_delimiter(r)
   Call: (225) [system] ')'==r
   Fail: (225) [system] ')'==r
   Call: (225) [system] get_char((0x55772f068e50), r)
   Exit: (225) [system] get_char((0x55772f068e50), r)
   Call: (225) [system] r=(\)
   Fail: (225) [system] r=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1315480)
   Call: (226) [system] peek_char((0x55772f068e50), _1316414)
   Exit: (226) [system] peek_char((0x55772f068e50), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_1321134, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_1322066, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x55772f068e50), o)
   Exit: (226) [system] get_char((0x55772f068e50), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1329416)
   Call: (227) [system] peek_char((0x55772f068e50), _1330350)
   Exit: (227) [system] peek_char((0x55772f068e50), d)
^  Call: (227) [user] is_delimiter(d)
   Call: (228) [system] char_type(d, space)
   Fail: (228) [system] char_type(d, space)
   Call: (228) [system] arg(_1335070, v('(', ')', end_of_file), d)
   Fail: (228) [system] arg(_1336002, v('(', ')', end_of_file), d)
^  Fail: (227) [user] is_delimiter(d)
   Call: (227) [system] ')'==d
   Fail: (227) [system] ')'==d
   Call: (227) [system] get_char((0x55772f068e50), d)
   Exit: (227) [system] get_char((0x55772f068e50), d)
   Call: (227) [system] d=(\)
   Fail: (227) [system] d=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1343352)
   Call: (228) [system] peek_char((0x55772f068e50), _1344286)
   Exit: (228) [system] peek_char((0x55772f068e50), u)
^  Call: (228) [user] is_delimiter(u)
   Call: (229) [system] char_type(u, space)
   Fail: (229) [system] char_type(u, space)
   Call: (229) [system] arg(_1349006, v('(', ')', end_of_file), u)
   Fail: (229) [system] arg(_1349938, v('(', ')', end_of_file), u)
^  Fail: (228) [user] is_delimiter(u)
   Call: (228) [system] ')'==u
   Fail: (228) [system] ')'==u
   Call: (228) [system] get_char((0x55772f068e50), u)
   Exit: (228) [system] get_char((0x55772f068e50), u)
   Call: (228) [system] u=(\)
   Fail: (228) [system] u=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1357288)
   Call: (229) [system] peek_char((0x55772f068e50), _1358222)
   Exit: (229) [system] peek_char((0x55772f068e50), c)
^  Call: (229) [user] is_delimiter(c)
   Call: (230) [system] char_type(c, space)
   Fail: (230) [system] char_type(c, space)
   Call: (230) [system] arg(_1362942, v('(', ')', end_of_file), c)
   Fail: (230) [system] arg(_1363874, v('(', ')', end_of_file), c)
^  Fail: (229) [user] is_delimiter(c)
   Call: (229) [system] ')'==c
   Fail: (229) [system] ')'==c
   Call: (229) [system] get_char((0x55772f068e50), c)
   Exit: (229) [system] get_char((0x55772f068e50), c)
   Call: (229) [system] c=(\)
   Fail: (229) [system] c=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1371224)
   Call: (230) [system] peek_char((0x55772f068e50), _1372158)
   Exit: (230) [system] peek_char((0x55772f068e50), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_1376878, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_1377810, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x55772f068e50), t)
   Exit: (230) [system] get_char((0x55772f068e50), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1385160)
   Call: (231) [system] peek_char((0x55772f068e50), _1386094)
   Exit: (231) [system] peek_char((0x55772f068e50), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1390814, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_1391746, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x55772f068e50), i)
   Exit: (231) [system] get_char((0x55772f068e50), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1399096)
   Call: (232) [system] peek_char((0x55772f068e50), _1400030)
   Exit: (232) [system] peek_char((0x55772f068e50), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_1404750, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_1405682, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x55772f068e50), o)
   Exit: (232) [system] get_char((0x55772f068e50), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1413032)
   Call: (233) [system] peek_char((0x55772f068e50), _1413966)
   Exit: (233) [system] peek_char((0x55772f068e50), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1418686, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_1419618, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x55772f068e50), n)
   Exit: (233) [system] get_char((0x55772f068e50), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1426968)
   Call: (234) [system] peek_char((0x55772f068e50), _1427902)
   Exit: (234) [system] peek_char((0x55772f068e50), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _1426968=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (233) [system] _1413032=[n]
   Exit: (233) [system] [n]=[n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (232) [system] _1399096=[o, n]
   Exit: (232) [system] [o, n]=[o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (231) [system] _1385160=[i, o, n]
   Exit: (231) [system] [i, o, n]=[i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (230) [system] _1371224=[t, i, o, n]
   Exit: (230) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (229) [system] _1357288=[c, t, i, o, n]
   Exit: (229) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (228) [system] _1343352=[u, c, t, i, o, n]
   Exit: (228) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (227) [system] _1329416=[d, u, c, t, i, o, n]
   Exit: (227) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (226) [system] _1315480=[o, d, u, c, t, i, o, n]
   Exit: (226) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (225) [system] _1301544=[r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1287608=[t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1273672=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1259736=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1245800=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1231864=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1217928=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1203992=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1190056=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1176120=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1162184=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1148248=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1134312=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1120376=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (211) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1084866)
^  Call: (212) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1498654)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1499606, _1499608), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1498654), _1499588, fail)), '$restore_trace'(_1499606, _1499608))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1499606, _1499608))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1498654), _1499588, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1498654)
   Fail: (213) [system] atomic(_1498654)
   Call: (213) [system] atom_chars(_1498654, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (213) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (212) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (212) [system] integer('DisjunctionIntroduction')
   Fail: (212) [system] integer('DisjunctionIntroduction')
   Call: (212) [system] _1084866='DisjunctionIntroduction'
   Exit: (212) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (211) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (210) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (209) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (209) [user] read_list(')', (0x55772f068e50), _1513604)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1515462)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x55772f068e50), _1525056)
   Exit: (211) [system] get_char((0x55772f068e50), ' ')
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1527760)
   Exit: (212) [system] peek_char((0x55772f068e50), a)
   Call: (212) [system] a=(;)
   Fail: (212) [system] a=(;)
   Call: (212) [system] a=(/)
   Fail: (212) [system] a=(/)
^  Call: (212) [user] is_like_space(a)
   Call: (213) [system] char_type(a, 'white')
   Fail: (213) [system] char_type(a, 'white')
   Call: (213) [system] char_type(a, end_of_line)
   Fail: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] char_type(a, cntrl)
   Fail: (213) [system] char_type(a, cntrl)
^  Fail: (212) [user] is_like_space(a)
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1544694)
   Exit: (210) [system] peek_char((0x55772f068e50), a)
   Call: (210) [system] a=')'
   Fail: (210) [system] a=')'
   Call: (210) [system] a=end_of_file
   Fail: (210) [system] a=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x55772f068e50), _1550264)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1552122)
   Exit: (212) [system] peek_char((0x55772f068e50), a)
   Call: (212) [system] a=(;)
   Fail: (212) [system] a=(;)
   Call: (212) [system] a=(/)
   Fail: (212) [system] a=(/)
^  Call: (212) [user] is_like_space(a)
   Call: (213) [system] char_type(a, 'white')
   Fail: (213) [system] char_type(a, 'white')
   Call: (213) [system] char_type(a, end_of_line)
   Fail: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] char_type(a, cntrl)
   Fail: (213) [system] char_type(a, cntrl)
^  Fail: (212) [user] is_like_space(a)
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] get_char((0x55772f068e50), _1568132)
   Exit: (211) [system] get_char((0x55772f068e50), a)
   Call: (211) [system] a='('
   Fail: (211) [system] a='('
   Call: (211) [system] a='['
   Fail: (211) [system] a='['
   Call: (211) [system] a='{'
   Fail: (211) [system] a='{'
   Call: (211) [system] a='"'
   Fail: (211) [system] a='"'
   Call: (211) [system] a=!
   Fail: (211) [system] a=!
   Call: (211) [system] a='\''
   Fail: (211) [system] a='\''
   Call: (211) [system] a='`'
   Fail: (211) [system] a='`'
   Call: (211) [system] a=end_of_file
   Fail: (211) [system] a=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x55772f068e50), a, _1550264)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1585774)
   Call: (213) [system] peek_char((0x55772f068e50), _1586708)
   Exit: (213) [system] peek_char((0x55772f068e50), b)
^  Call: (213) [user] is_delimiter(b)
   Call: (214) [system] char_type(b, space)
   Fail: (214) [system] char_type(b, space)
   Call: (214) [system] arg(_1591428, v('(', ')', end_of_file), b)
   Fail: (214) [system] arg(_1592360, v('(', ')', end_of_file), b)
^  Fail: (213) [user] is_delimiter(b)
   Call: (213) [system] ')'==b
   Fail: (213) [system] ')'==b
   Call: (213) [system] get_char((0x55772f068e50), b)
   Exit: (213) [system] get_char((0x55772f068e50), b)
   Call: (213) [system] b=(\)
   Fail: (213) [system] b=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1599710)
   Call: (214) [system] peek_char((0x55772f068e50), _1600644)
   Exit: (214) [system] peek_char((0x55772f068e50), c)
^  Call: (214) [user] is_delimiter(c)
   Call: (215) [system] char_type(c, space)
   Fail: (215) [system] char_type(c, space)
   Call: (215) [system] arg(_1605364, v('(', ')', end_of_file), c)
   Fail: (215) [system] arg(_1606296, v('(', ')', end_of_file), c)
^  Fail: (214) [user] is_delimiter(c)
   Call: (214) [system] ')'==c
   Fail: (214) [system] ')'==c
   Call: (214) [system] get_char((0x55772f068e50), c)
   Exit: (214) [system] get_char((0x55772f068e50), c)
   Call: (214) [system] c=(\)
   Fail: (214) [system] c=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1613646)
   Call: (215) [system] peek_char((0x55772f068e50), _1614580)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1613646=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (214) [system] _1599710=[c]
   Exit: (214) [system] [c]=[c]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (213) [system] _1585774=[b, c]
   Exit: (213) [system] [b, c]=[b, c]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (212) [user] classify_and_convert_charseq([a, b, c], _1550264)
^  Call: (213) [user] classify_and_convert_charseq_([a, b, c], _1629452)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1630404, _1630406), once(user:catch(read_from_chars([a, b, c], _1629452), _1630386, fail)), '$restore_trace'(_1630404, _1630406))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1630404, _1630406))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1630386, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(abc)
   Exit: (214) [system] atomic(abc)
^  Exit: (213) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (213) [system] integer(abc)
   Fail: (213) [system] integer(abc)
   Call: (213) [system] _1550264=abc
   Exit: (213) [system] abc=abc
^  Exit: (212) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (211) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (210) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (210) [user] read_list(')', (0x55772f068e50), _1642532)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1644390)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x55772f068e50), _1653984)
   Exit: (212) [system] get_char((0x55772f068e50), ' ')
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1656688)
   Exit: (213) [system] peek_char((0x55772f068e50), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1673622)
   Exit: (211) [system] peek_char((0x55772f068e50), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x55772f068e50), _1679192)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1681050)
   Exit: (213) [system] peek_char((0x55772f068e50), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] get_char((0x55772f068e50), _1697060)
   Exit: (212) [system] get_char((0x55772f068e50), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x55772f068e50), _1679192)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1702630)
   Exit: (214) [system] peek_char((0x55772f068e50), 'D')
   Call: (214) [system] 'D'=(;)
   Fail: (214) [system] 'D'=(;)
   Call: (214) [system] 'D'=(/)
   Fail: (214) [system] 'D'=(/)
^  Call: (214) [user] is_like_space('D')
   Call: (215) [system] char_type('D', 'white')
   Fail: (215) [system] char_type('D', 'white')
   Call: (215) [system] char_type('D', end_of_line)
   Fail: (215) [system] char_type('D', end_of_line)
   Call: (215) [system] char_type('D', space)
   Fail: (215) [system] char_type('D', space)
   Call: (215) [system] char_type('D', cntrl)
   Fail: (215) [system] char_type('D', cntrl)
^  Fail: (214) [user] is_like_space('D')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1718640)
   Exit: (213) [system] peek_char((0x55772f068e50), 'D')
   Call: (213) [system] 'D'=')'
   Fail: (213) [system] 'D'=')'
   Call: (213) [system] 'D'=end_of_file
   Fail: (213) [system] 'D'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _1724210)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1726068)
   Exit: (215) [system] peek_char((0x55772f068e50), 'D')
   Call: (215) [system] 'D'=(;)
   Fail: (215) [system] 'D'=(;)
   Call: (215) [system] 'D'=(/)
   Fail: (215) [system] 'D'=(/)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Fail: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Fail: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Fail: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
   Fail: (216) [system] char_type('D', cntrl)
^  Fail: (215) [user] is_like_space('D')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _1742078)
   Exit: (214) [system] get_char((0x55772f068e50), 'D')
   Call: (214) [system] 'D'='('
   Fail: (214) [system] 'D'='('
   Call: (214) [system] 'D'='['
   Fail: (214) [system] 'D'='['
   Call: (214) [system] 'D'='{'
   Fail: (214) [system] 'D'='{'
   Call: (214) [system] 'D'='"'
   Fail: (214) [system] 'D'='"'
   Call: (214) [system] 'D'=!
   Fail: (214) [system] 'D'=!
   Call: (214) [system] 'D'='\''
   Fail: (214) [system] 'D'='\''
   Call: (214) [system] 'D'='`'
   Fail: (214) [system] 'D'='`'
   Call: (214) [system] 'D'=end_of_file
   Fail: (214) [system] 'D'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x55772f068e50), 'D', _1724210)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1759720)
   Call: (216) [system] peek_char((0x55772f068e50), _1760654)
   Exit: (216) [system] peek_char((0x55772f068e50), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_1765374, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_1766306, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x55772f068e50), i)
   Exit: (216) [system] get_char((0x55772f068e50), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1773656)
   Call: (217) [system] peek_char((0x55772f068e50), _1774590)
   Exit: (217) [system] peek_char((0x55772f068e50), s)
^  Call: (217) [user] is_delimiter(s)
   Call: (218) [system] char_type(s, space)
   Fail: (218) [system] char_type(s, space)
   Call: (218) [system] arg(_1779310, v('(', ')', end_of_file), s)
   Fail: (218) [system] arg(_1780242, v('(', ')', end_of_file), s)
^  Fail: (217) [user] is_delimiter(s)
   Call: (217) [system] ')'==s
   Fail: (217) [system] ')'==s
   Call: (217) [system] get_char((0x55772f068e50), s)
   Exit: (217) [system] get_char((0x55772f068e50), s)
   Call: (217) [system] s=(\)
   Fail: (217) [system] s=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1787592)
   Call: (218) [system] peek_char((0x55772f068e50), _1788526)
   Exit: (218) [system] peek_char((0x55772f068e50), j)
^  Call: (218) [user] is_delimiter(j)
   Call: (219) [system] char_type(j, space)
   Fail: (219) [system] char_type(j, space)
   Call: (219) [system] arg(_1793246, v('(', ')', end_of_file), j)
   Fail: (219) [system] arg(_1794178, v('(', ')', end_of_file), j)
^  Fail: (218) [user] is_delimiter(j)
   Call: (218) [system] ')'==j
   Fail: (218) [system] ')'==j
   Call: (218) [system] get_char((0x55772f068e50), j)
   Exit: (218) [system] get_char((0x55772f068e50), j)
   Call: (218) [system] j=(\)
   Fail: (218) [system] j=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1801528)
   Call: (219) [system] peek_char((0x55772f068e50), _1802462)
   Exit: (219) [system] peek_char((0x55772f068e50), u)
^  Call: (219) [user] is_delimiter(u)
   Call: (220) [system] char_type(u, space)
   Fail: (220) [system] char_type(u, space)
   Call: (220) [system] arg(_1807182, v('(', ')', end_of_file), u)
   Fail: (220) [system] arg(_1808114, v('(', ')', end_of_file), u)
^  Fail: (219) [user] is_delimiter(u)
   Call: (219) [system] ')'==u
   Fail: (219) [system] ')'==u
   Call: (219) [system] get_char((0x55772f068e50), u)
   Exit: (219) [system] get_char((0x55772f068e50), u)
   Call: (219) [system] u=(\)
   Fail: (219) [system] u=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1815464)
   Call: (220) [system] peek_char((0x55772f068e50), _1816398)
   Exit: (220) [system] peek_char((0x55772f068e50), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1821118, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1822050, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x55772f068e50), n)
   Exit: (220) [system] get_char((0x55772f068e50), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1829400)
   Call: (221) [system] peek_char((0x55772f068e50), _1830334)
   Exit: (221) [system] peek_char((0x55772f068e50), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Fail: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_1835054, v('(', ')', end_of_file), c)
   Fail: (222) [system] arg(_1835986, v('(', ')', end_of_file), c)
^  Fail: (221) [user] is_delimiter(c)
   Call: (221) [system] ')'==c
   Fail: (221) [system] ')'==c
   Call: (221) [system] get_char((0x55772f068e50), c)
   Exit: (221) [system] get_char((0x55772f068e50), c)
   Call: (221) [system] c=(\)
   Fail: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1843336)
   Call: (222) [system] peek_char((0x55772f068e50), _1844270)
   Exit: (222) [system] peek_char((0x55772f068e50), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_1848990, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_1849922, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x55772f068e50), t)
   Exit: (222) [system] get_char((0x55772f068e50), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1857272)
   Call: (223) [system] peek_char((0x55772f068e50), _1858206)
   Exit: (223) [system] peek_char((0x55772f068e50), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_1862926, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_1863858, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x55772f068e50), i)
   Exit: (223) [system] get_char((0x55772f068e50), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1871208)
   Call: (224) [system] peek_char((0x55772f068e50), _1872142)
   Exit: (224) [system] peek_char((0x55772f068e50), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_1876862, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_1877794, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x55772f068e50), o)
   Exit: (224) [system] get_char((0x55772f068e50), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1885144)
   Call: (225) [system] peek_char((0x55772f068e50), _1886078)
   Exit: (225) [system] peek_char((0x55772f068e50), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1890798, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_1891730, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x55772f068e50), n)
   Exit: (225) [system] get_char((0x55772f068e50), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1899080)
   Call: (226) [system] peek_char((0x55772f068e50), _1900014)
   Exit: (226) [system] peek_char((0x55772f068e50), 'I')
^  Call: (226) [user] is_delimiter('I')
   Call: (227) [system] char_type('I', space)
   Fail: (227) [system] char_type('I', space)
   Call: (227) [system] arg(_1904734, v('(', ')', end_of_file), 'I')
   Fail: (227) [system] arg(_1905666, v('(', ')', end_of_file), 'I')
^  Fail: (226) [user] is_delimiter('I')
   Call: (226) [system] ')'=='I'
   Fail: (226) [system] ')'=='I'
   Call: (226) [system] get_char((0x55772f068e50), 'I')
   Exit: (226) [system] get_char((0x55772f068e50), 'I')
   Call: (226) [system] 'I'=(\)
   Fail: (226) [system] 'I'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1913016)
   Call: (227) [system] peek_char((0x55772f068e50), _1913950)
   Exit: (227) [system] peek_char((0x55772f068e50), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1918670, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_1919602, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x55772f068e50), n)
   Exit: (227) [system] get_char((0x55772f068e50), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1926952)
   Call: (228) [system] peek_char((0x55772f068e50), _1927886)
   Exit: (228) [system] peek_char((0x55772f068e50), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_1932606, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_1933538, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x55772f068e50), t)
   Exit: (228) [system] get_char((0x55772f068e50), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1940888)
   Call: (229) [system] peek_char((0x55772f068e50), _1941822)
   Exit: (229) [system] peek_char((0x55772f068e50), r)
^  Call: (229) [user] is_delimiter(r)
   Call: (230) [system] char_type(r, space)
   Fail: (230) [system] char_type(r, space)
   Call: (230) [system] arg(_1946542, v('(', ')', end_of_file), r)
   Fail: (230) [system] arg(_1947474, v('(', ')', end_of_file), r)
^  Fail: (229) [user] is_delimiter(r)
   Call: (229) [system] ')'==r
   Fail: (229) [system] ')'==r
   Call: (229) [system] get_char((0x55772f068e50), r)
   Exit: (229) [system] get_char((0x55772f068e50), r)
   Call: (229) [system] r=(\)
   Fail: (229) [system] r=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1954824)
   Call: (230) [system] peek_char((0x55772f068e50), _1955758)
   Exit: (230) [system] peek_char((0x55772f068e50), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_1960478, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_1961410, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x55772f068e50), o)
   Exit: (230) [system] get_char((0x55772f068e50), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1968760)
   Call: (231) [system] peek_char((0x55772f068e50), _1969694)
   Exit: (231) [system] peek_char((0x55772f068e50), d)
^  Call: (231) [user] is_delimiter(d)
   Call: (232) [system] char_type(d, space)
   Fail: (232) [system] char_type(d, space)
   Call: (232) [system] arg(_1974414, v('(', ')', end_of_file), d)
   Fail: (232) [system] arg(_1975346, v('(', ')', end_of_file), d)
^  Fail: (231) [user] is_delimiter(d)
   Call: (231) [system] ')'==d
   Fail: (231) [system] ')'==d
   Call: (231) [system] get_char((0x55772f068e50), d)
   Exit: (231) [system] get_char((0x55772f068e50), d)
   Call: (231) [system] d=(\)
   Fail: (231) [system] d=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1982696)
   Call: (232) [system] peek_char((0x55772f068e50), _1983630)
   Exit: (232) [system] peek_char((0x55772f068e50), u)
^  Call: (232) [user] is_delimiter(u)
   Call: (233) [system] char_type(u, space)
   Fail: (233) [system] char_type(u, space)
   Call: (233) [system] arg(_1988350, v('(', ')', end_of_file), u)
   Fail: (233) [system] arg(_1989282, v('(', ')', end_of_file), u)
^  Fail: (232) [user] is_delimiter(u)
   Call: (232) [system] ')'==u
   Fail: (232) [system] ')'==u
   Call: (232) [system] get_char((0x55772f068e50), u)
   Exit: (232) [system] get_char((0x55772f068e50), u)
   Call: (232) [system] u=(\)
   Fail: (232) [system] u=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1996632)
   Call: (233) [system] peek_char((0x55772f068e50), _1997566)
   Exit: (233) [system] peek_char((0x55772f068e50), c)
^  Call: (233) [user] is_delimiter(c)
   Call: (234) [system] char_type(c, space)
   Fail: (234) [system] char_type(c, space)
   Call: (234) [system] arg(_2002286, v('(', ')', end_of_file), c)
   Fail: (234) [system] arg(_2003218, v('(', ')', end_of_file), c)
^  Fail: (233) [user] is_delimiter(c)
   Call: (233) [system] ')'==c
   Fail: (233) [system] ')'==c
   Call: (233) [system] get_char((0x55772f068e50), c)
   Exit: (233) [system] get_char((0x55772f068e50), c)
   Call: (233) [system] c=(\)
   Fail: (233) [system] c=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _2010568)
   Call: (234) [system] peek_char((0x55772f068e50), _2011502)
   Exit: (234) [system] peek_char((0x55772f068e50), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Fail: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_2016222, v('(', ')', end_of_file), t)
   Fail: (235) [system] arg(_2017154, v('(', ')', end_of_file), t)
^  Fail: (234) [user] is_delimiter(t)
   Call: (234) [system] ')'==t
   Fail: (234) [system] ')'==t
   Call: (234) [system] get_char((0x55772f068e50), t)
   Exit: (234) [system] get_char((0x55772f068e50), t)
   Call: (234) [system] t=(\)
   Fail: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _2024504)
   Call: (235) [system] peek_char((0x55772f068e50), _2025438)
   Exit: (235) [system] peek_char((0x55772f068e50), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Fail: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_2030158, v('(', ')', end_of_file), i)
   Fail: (236) [system] arg(_2031090, v('(', ')', end_of_file), i)
^  Fail: (235) [user] is_delimiter(i)
   Call: (235) [system] ')'==i
   Fail: (235) [system] ')'==i
   Call: (235) [system] get_char((0x55772f068e50), i)
   Exit: (235) [system] get_char((0x55772f068e50), i)
   Call: (235) [system] i=(\)
   Fail: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _2038440)
   Call: (236) [system] peek_char((0x55772f068e50), _2039374)
   Exit: (236) [system] peek_char((0x55772f068e50), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Fail: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_2044094, v('(', ')', end_of_file), o)
   Fail: (237) [system] arg(_2045026, v('(', ')', end_of_file), o)
^  Fail: (236) [user] is_delimiter(o)
   Call: (236) [system] ')'==o
   Fail: (236) [system] ')'==o
   Call: (236) [system] get_char((0x55772f068e50), o)
   Exit: (236) [system] get_char((0x55772f068e50), o)
   Call: (236) [system] o=(\)
   Fail: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _2052376)
   Call: (237) [system] peek_char((0x55772f068e50), _2053310)
   Exit: (237) [system] peek_char((0x55772f068e50), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_2058030, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_2058962, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x55772f068e50), n)
   Exit: (237) [system] get_char((0x55772f068e50), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _2066312)
   Call: (238) [system] peek_char((0x55772f068e50), _2067246)
   Exit: (238) [system] peek_char((0x55772f068e50), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _2066312=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (237) [system] _2052376=[n]
   Exit: (237) [system] [n]=[n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (236) [system] _2038440=[o, n]
   Exit: (236) [system] [o, n]=[o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (235) [system] _2024504=[i, o, n]
   Exit: (235) [system] [i, o, n]=[i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (234) [system] _2010568=[t, i, o, n]
   Exit: (234) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (233) [system] _1996632=[c, t, i, o, n]
   Exit: (233) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (232) [system] _1982696=[u, c, t, i, o, n]
   Exit: (232) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (231) [system] _1968760=[d, u, c, t, i, o, n]
   Exit: (231) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (230) [system] _1954824=[o, d, u, c, t, i, o, n]
   Exit: (230) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (229) [system] _4408=[r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _4404=[t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _4400=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _4396=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _4392=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _4388=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _4384=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _4380=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _4376=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _4372=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _4368=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _4364=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _4360=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _4356=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (215) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4352)
^  Call: (216) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _45420)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_46372, _46374), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _45420), _46354, fail)), '$restore_trace'(_46372, _46374))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_46372, _46374))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _45420), _46354, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_45420)
   Fail: (217) [system] atomic(_45420)
   Call: (217) [system] atom_chars(_45420, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (217) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (216) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (216) [system] integer('DisjunctionIntroduction')
   Fail: (216) [system] integer('DisjunctionIntroduction')
   Call: (216) [system] _4352='DisjunctionIntroduction'
   Exit: (216) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (215) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (214) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (213) [user] read_list(')', (0x55772f068e50), _60370)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _62228)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x55772f068e50), _71822)
   Exit: (215) [system] get_char((0x55772f068e50), ' ')
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _74526)
   Exit: (216) [system] peek_char((0x55772f068e50), a)
   Call: (216) [system] a=(;)
   Fail: (216) [system] a=(;)
   Call: (216) [system] a=(/)
   Fail: (216) [system] a=(/)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Fail: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Fail: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
   Fail: (217) [system] char_type(a, cntrl)
^  Fail: (216) [user] is_like_space(a)
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _91460)
   Exit: (214) [system] peek_char((0x55772f068e50), a)
   Call: (214) [system] a=')'
   Fail: (214) [system] a=')'
   Call: (214) [system] a=end_of_file
   Fail: (214) [system] a=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _97030)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _98888)
   Exit: (216) [system] peek_char((0x55772f068e50), a)
   Call: (216) [system] a=(;)
   Fail: (216) [system] a=(;)
   Call: (216) [system] a=(/)
   Fail: (216) [system] a=(/)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Fail: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Fail: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
   Fail: (217) [system] char_type(a, cntrl)
^  Fail: (216) [user] is_like_space(a)
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _114898)
   Exit: (215) [system] get_char((0x55772f068e50), a)
   Call: (215) [system] a='('
   Fail: (215) [system] a='('
   Call: (215) [system] a='['
   Fail: (215) [system] a='['
   Call: (215) [system] a='{'
   Fail: (215) [system] a='{'
   Call: (215) [system] a='"'
   Fail: (215) [system] a='"'
   Call: (215) [system] a=!
   Fail: (215) [system] a=!
   Call: (215) [system] a='\''
   Fail: (215) [system] a='\''
   Call: (215) [system] a='`'
   Fail: (215) [system] a='`'
   Call: (215) [system] a=end_of_file
   Fail: (215) [system] a=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x55772f068e50), a, _97030)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _132540)
   Call: (217) [system] peek_char((0x55772f068e50), _133474)
   Exit: (217) [system] peek_char((0x55772f068e50), b)
^  Call: (217) [user] is_delimiter(b)
   Call: (218) [system] char_type(b, space)
   Fail: (218) [system] char_type(b, space)
   Call: (218) [system] arg(_138194, v('(', ')', end_of_file), b)
   Fail: (218) [system] arg(_139126, v('(', ')', end_of_file), b)
^  Fail: (217) [user] is_delimiter(b)
   Call: (217) [system] ')'==b
   Fail: (217) [system] ')'==b
   Call: (217) [system] get_char((0x55772f068e50), b)
   Exit: (217) [system] get_char((0x55772f068e50), b)
   Call: (217) [system] b=(\)
   Fail: (217) [system] b=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _146476)
   Call: (218) [system] peek_char((0x55772f068e50), _147410)
   Exit: (218) [system] peek_char((0x55772f068e50), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_152130, v('(', ')', end_of_file), c)
   Fail: (219) [system] arg(_153062, v('(', ')', end_of_file), c)
^  Fail: (218) [user] is_delimiter(c)
   Call: (218) [system] ')'==c
   Fail: (218) [system] ')'==c
   Call: (218) [system] get_char((0x55772f068e50), c)
   Exit: (218) [system] get_char((0x55772f068e50), c)
   Call: (218) [system] c=(\)
   Fail: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _160412)
   Call: (219) [system] peek_char((0x55772f068e50), _161346)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _160412=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (218) [system] _146476=[c]
   Exit: (218) [system] [c]=[c]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (217) [system] _132540=[b, c]
   Exit: (217) [system] [b, c]=[b, c]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (216) [user] classify_and_convert_charseq([a, b, c], _97030)
^  Call: (217) [user] classify_and_convert_charseq_([a, b, c], _176218)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_177170, _177172), once(user:catch(read_from_chars([a, b, c], _176218), _177152, fail)), '$restore_trace'(_177170, _177172))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_177170, _177172))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _177152, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(abc)
   Exit: (218) [system] atomic(abc)
^  Exit: (217) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (217) [system] integer(abc)
   Fail: (217) [system] integer(abc)
   Call: (217) [system] _97030=abc
   Exit: (217) [system] abc=abc
^  Exit: (216) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (215) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (214) [user] read_list(')', (0x55772f068e50), _189298)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _191156)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x55772f068e50), _200750)
   Exit: (216) [system] get_char((0x55772f068e50), ' ')
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _203454)
   Exit: (217) [system] peek_char((0x55772f068e50), a)
   Call: (217) [system] a=(;)
   Fail: (217) [system] a=(;)
   Call: (217) [system] a=(/)
   Fail: (217) [system] a=(/)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Fail: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Fail: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
   Fail: (218) [system] char_type(a, cntrl)
^  Fail: (217) [user] is_like_space(a)
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _220388)
   Exit: (215) [system] peek_char((0x55772f068e50), a)
   Call: (215) [system] a=')'
   Fail: (215) [system] a=')'
   Call: (215) [system] a=end_of_file
   Fail: (215) [system] a=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x55772f068e50), _225958)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _227816)
   Exit: (217) [system] peek_char((0x55772f068e50), a)
   Call: (217) [system] a=(;)
   Fail: (217) [system] a=(;)
   Call: (217) [system] a=(/)
   Fail: (217) [system] a=(/)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Fail: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Fail: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
   Fail: (218) [system] char_type(a, cntrl)
^  Fail: (217) [user] is_like_space(a)
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] get_char((0x55772f068e50), _243826)
   Exit: (216) [system] get_char((0x55772f068e50), a)
   Call: (216) [system] a='('
   Fail: (216) [system] a='('
   Call: (216) [system] a='['
   Fail: (216) [system] a='['
   Call: (216) [system] a='{'
   Fail: (216) [system] a='{'
   Call: (216) [system] a='"'
   Fail: (216) [system] a='"'
   Call: (216) [system] a=!
   Fail: (216) [system] a=!
   Call: (216) [system] a='\''
   Fail: (216) [system] a='\''
   Call: (216) [system] a='`'
   Fail: (216) [system] a='`'
   Call: (216) [system] a=end_of_file
   Fail: (216) [system] a=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x55772f068e50), a, _225958)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _261468)
   Call: (218) [system] peek_char((0x55772f068e50), _262402)
   Exit: (218) [system] peek_char((0x55772f068e50), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_267122, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _261468=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (217) [user] classify_and_convert_charseq([a], _225958)
^  Call: (218) [user] classify_and_convert_charseq_([a], _273558)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_274510, _274512), once(user:catch(read_from_chars([a], _273558), _274492, fail)), '$restore_trace'(_274510, _274512))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_274510, _274512))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _274492, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(a)
   Exit: (219) [system] atomic(a)
^  Exit: (218) [user] classify_and_convert_charseq_([a], a)
   Call: (218) [system] integer(a)
   Fail: (218) [system] integer(a)
   Call: (218) [system] _225958=a
   Exit: (218) [system] a=a
^  Exit: (217) [user] classify_and_convert_charseq([a], a)
^  Exit: (216) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (215) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (215) [user] read_list(')', (0x55772f068e50), _286638)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _288496)
   Exit: (217) [system] peek_char((0x55772f068e50), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
   Call: (217) [system] ')'=(/)
   Fail: (217) [system] ')'=(/)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _304506)
   Exit: (216) [system] peek_char((0x55772f068e50), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x55772f068e50), _308296)
   Exit: (216) [system] get_char((0x55772f068e50), ')')
   Call: (216) [system] _286638=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x55772f068e50), [])
   Call: (215) [system] _189298=[a]
   Exit: (215) [system] [a]=[a]
^  Exit: (214) [user] read_list(')', (0x55772f068e50), [a])
   Call: (214) [system] _60370=[abc, a]
   Exit: (214) [system] [abc, a]=[abc, a]
^  Exit: (213) [user] read_list(')', (0x55772f068e50), [abc, a])
   Call: (213) [system] _4346=['DisjunctionIntroduction', abc, a]
   Exit: (213) [system] ['DisjunctionIntroduction', abc, a]=['DisjunctionIntroduction', abc, a]
^  Exit: (212) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, a])
^  Exit: (211) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, a])
^  Call: (211) [user] read_list(')', (0x55772f068e50), _322178)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _324036)
   Exit: (213) [system] peek_char((0x55772f068e50), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
   Call: (213) [system] ')'=(/)
   Fail: (213) [system] ')'=(/)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _340046)
   Exit: (212) [system] peek_char((0x55772f068e50), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x55772f068e50), _343836)
   Exit: (212) [system] get_char((0x55772f068e50), ')')
   Call: (212) [system] _322178=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x55772f068e50), [])
   Call: (211) [system] _4342=[['DisjunctionIntroduction', abc, a]]
   Exit: (211) [system] [['DisjunctionIntroduction', abc, a]]=[['DisjunctionIntroduction', abc, a]]
^  Exit: (210) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', abc, a]])
   Call: (210) [system] _4336=[abc, ['DisjunctionIntroduction', abc, a]]
   Exit: (210) [system] [abc, ['DisjunctionIntroduction', abc, a]]=[abc, ['DisjunctionIntroduction', abc, a]]
^  Exit: (209) [user] read_list(')', (0x55772f068e50), [abc, ['DisjunctionIntroduction', abc, a]])
   Call: (209) [system] _4328=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]]
   Exit: (209) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]]
^  Exit: (208) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]])
^  Exit: (207) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]])
^  Call: (207) [user] read_list(')', (0x55772f068e50), _357718)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _359576)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x55772f068e50), _369170)
   Exit: (209) [system] get_char((0x55772f068e50), ' ')
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _371874)
   Exit: (210) [system] peek_char((0x55772f068e50), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _388808)
   Exit: (208) [system] peek_char((0x55772f068e50), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x55772f068e50), _394378)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _396236)
   Exit: (210) [system] peek_char((0x55772f068e50), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] get_char((0x55772f068e50), _412246)
   Exit: (209) [system] get_char((0x55772f068e50), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x55772f068e50), _394378)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _417816)
   Exit: (211) [system] peek_char((0x55772f068e50), 'O')
   Call: (211) [system] 'O'=(;)
   Fail: (211) [system] 'O'=(;)
   Call: (211) [system] 'O'=(/)
   Fail: (211) [system] 'O'=(/)
^  Call: (211) [user] is_like_space('O')
   Call: (212) [system] char_type('O', 'white')
   Fail: (212) [system] char_type('O', 'white')
   Call: (212) [system] char_type('O', end_of_line)
   Fail: (212) [system] char_type('O', end_of_line)
   Call: (212) [system] char_type('O', space)
   Fail: (212) [system] char_type('O', space)
   Call: (212) [system] char_type('O', cntrl)
   Fail: (212) [system] char_type('O', cntrl)
^  Fail: (211) [user] is_like_space('O')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _433826)
   Exit: (210) [system] peek_char((0x55772f068e50), 'O')
   Call: (210) [system] 'O'=')'
   Fail: (210) [system] 'O'=')'
   Call: (210) [system] 'O'=end_of_file
   Fail: (210) [system] 'O'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x55772f068e50), _439396)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _441254)
   Exit: (212) [system] peek_char((0x55772f068e50), 'O')
   Call: (212) [system] 'O'=(;)
   Fail: (212) [system] 'O'=(;)
   Call: (212) [system] 'O'=(/)
   Fail: (212) [system] 'O'=(/)
^  Call: (212) [user] is_like_space('O')
   Call: (213) [system] char_type('O', 'white')
   Fail: (213) [system] char_type('O', 'white')
   Call: (213) [system] char_type('O', end_of_line)
   Fail: (213) [system] char_type('O', end_of_line)
   Call: (213) [system] char_type('O', space)
   Fail: (213) [system] char_type('O', space)
   Call: (213) [system] char_type('O', cntrl)
   Fail: (213) [system] char_type('O', cntrl)
^  Fail: (212) [user] is_like_space('O')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] get_char((0x55772f068e50), _457264)
   Exit: (211) [system] get_char((0x55772f068e50), 'O')
   Call: (211) [system] 'O'='('
   Fail: (211) [system] 'O'='('
   Call: (211) [system] 'O'='['
   Fail: (211) [system] 'O'='['
   Call: (211) [system] 'O'='{'
   Fail: (211) [system] 'O'='{'
   Call: (211) [system] 'O'='"'
   Fail: (211) [system] 'O'='"'
   Call: (211) [system] 'O'=!
   Fail: (211) [system] 'O'=!
   Call: (211) [system] 'O'='\''
   Fail: (211) [system] 'O'='\''
   Call: (211) [system] 'O'='`'
   Fail: (211) [system] 'O'='`'
   Call: (211) [system] 'O'=end_of_file
   Fail: (211) [system] 'O'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x55772f068e50), 'O', _439396)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _474906)
   Call: (213) [system] peek_char((0x55772f068e50), _475840)
   Exit: (213) [system] peek_char((0x55772f068e50), r)
^  Call: (213) [user] is_delimiter(r)
   Call: (214) [system] char_type(r, space)
   Fail: (214) [system] char_type(r, space)
   Call: (214) [system] arg(_480560, v('(', ')', end_of_file), r)
   Fail: (214) [system] arg(_481492, v('(', ')', end_of_file), r)
^  Fail: (213) [user] is_delimiter(r)
   Call: (213) [system] ')'==r
   Fail: (213) [system] ')'==r
   Call: (213) [system] get_char((0x55772f068e50), r)
   Exit: (213) [system] get_char((0x55772f068e50), r)
   Call: (213) [system] r=(\)
   Fail: (213) [system] r=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _488842)
   Call: (214) [system] peek_char((0x55772f068e50), _489776)
   Exit: (214) [system] peek_char((0x55772f068e50), 'L')
^  Call: (214) [user] is_delimiter('L')
   Call: (215) [system] char_type('L', space)
   Fail: (215) [system] char_type('L', space)
   Call: (215) [system] arg(_494496, v('(', ')', end_of_file), 'L')
   Fail: (215) [system] arg(_495428, v('(', ')', end_of_file), 'L')
^  Fail: (214) [user] is_delimiter('L')
   Call: (214) [system] ')'=='L'
   Fail: (214) [system] ')'=='L'
   Call: (214) [system] get_char((0x55772f068e50), 'L')
   Exit: (214) [system] get_char((0x55772f068e50), 'L')
   Call: (214) [system] 'L'=(\)
   Fail: (214) [system] 'L'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _502778)
   Call: (215) [system] peek_char((0x55772f068e50), _503712)
   Exit: (215) [system] peek_char((0x55772f068e50), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_508432, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_509364, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x55772f068e50), i)
   Exit: (215) [system] get_char((0x55772f068e50), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _516714)
   Call: (216) [system] peek_char((0x55772f068e50), _517648)
   Exit: (216) [system] peek_char((0x55772f068e50), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_522368, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_523300, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x55772f068e50), n)
   Exit: (216) [system] get_char((0x55772f068e50), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _530650)
   Call: (217) [system] peek_char((0x55772f068e50), _531584)
   Exit: (217) [system] peek_char((0x55772f068e50), k)
^  Call: (217) [user] is_delimiter(k)
   Call: (218) [system] char_type(k, space)
   Fail: (218) [system] char_type(k, space)
   Call: (218) [system] arg(_536304, v('(', ')', end_of_file), k)
   Fail: (218) [system] arg(_537236, v('(', ')', end_of_file), k)
^  Fail: (217) [user] is_delimiter(k)
   Call: (217) [system] ')'==k
   Fail: (217) [system] ')'==k
   Call: (217) [system] get_char((0x55772f068e50), k)
   Exit: (217) [system] get_char((0x55772f068e50), k)
   Call: (217) [system] k=(\)
   Fail: (217) [system] k=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _544586)
   Call: (218) [system] peek_char((0x55772f068e50), _545520)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _544586=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (217) [system] _530650=[k]
   Exit: (217) [system] [k]=[k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (216) [system] _516714=[n, k]
   Exit: (216) [system] [n, k]=[n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (215) [system] _502778=[i, n, k]
   Exit: (215) [system] [i, n, k]=[i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (214) [system] _488842=['L', i, n, k]
   Exit: (214) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (213) [system] _474906=[r, 'L', i, n, k]
   Exit: (213) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (212) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _439396)
^  Call: (213) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _568774)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_569726, _569728), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _568774), _569708, fail)), '$restore_trace'(_569726, _569728))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_569726, _569728))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _568774), _569708, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_568774)
   Fail: (214) [system] atomic(_568774)
   Call: (214) [system] atom_chars(_568774, ['O', r, 'L', i, n, k])
   Exit: (214) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (213) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (213) [system] integer('OrLink')
   Fail: (213) [system] integer('OrLink')
   Call: (213) [system] _439396='OrLink'
   Exit: (213) [system] 'OrLink'='OrLink'
^  Exit: (212) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (211) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (210) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (210) [user] read_list(')', (0x55772f068e50), _583724)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _585582)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x55772f068e50), _595176)
   Exit: (212) [system] get_char((0x55772f068e50), ' ')
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _597880)
   Exit: (213) [system] peek_char((0x55772f068e50), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _614814)
   Exit: (211) [system] peek_char((0x55772f068e50), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x55772f068e50), _620384)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _622242)
   Exit: (213) [system] peek_char((0x55772f068e50), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] get_char((0x55772f068e50), _638252)
   Exit: (212) [system] get_char((0x55772f068e50), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x55772f068e50), _620384)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _643822)
   Exit: (214) [system] peek_char((0x55772f068e50), 'I')
   Call: (214) [system] 'I'=(;)
   Fail: (214) [system] 'I'=(;)
   Call: (214) [system] 'I'=(/)
   Fail: (214) [system] 'I'=(/)
^  Call: (214) [user] is_like_space('I')
   Call: (215) [system] char_type('I', 'white')
   Fail: (215) [system] char_type('I', 'white')
   Call: (215) [system] char_type('I', end_of_line)
   Fail: (215) [system] char_type('I', end_of_line)
   Call: (215) [system] char_type('I', space)
   Fail: (215) [system] char_type('I', space)
   Call: (215) [system] char_type('I', cntrl)
   Fail: (215) [system] char_type('I', cntrl)
^  Fail: (214) [user] is_like_space('I')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _659832)
   Exit: (213) [system] peek_char((0x55772f068e50), 'I')
   Call: (213) [system] 'I'=')'
   Fail: (213) [system] 'I'=')'
   Call: (213) [system] 'I'=end_of_file
   Fail: (213) [system] 'I'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _665402)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _667260)
   Exit: (215) [system] peek_char((0x55772f068e50), 'I')
   Call: (215) [system] 'I'=(;)
   Fail: (215) [system] 'I'=(;)
   Call: (215) [system] 'I'=(/)
   Fail: (215) [system] 'I'=(/)
^  Call: (215) [user] is_like_space('I')
   Call: (216) [system] char_type('I', 'white')
   Fail: (216) [system] char_type('I', 'white')
   Call: (216) [system] char_type('I', end_of_line)
   Fail: (216) [system] char_type('I', end_of_line)
   Call: (216) [system] char_type('I', space)
   Fail: (216) [system] char_type('I', space)
   Call: (216) [system] char_type('I', cntrl)
   Fail: (216) [system] char_type('I', cntrl)
^  Fail: (215) [user] is_like_space('I')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _683270)
   Exit: (214) [system] get_char((0x55772f068e50), 'I')
   Call: (214) [system] 'I'='('
   Fail: (214) [system] 'I'='('
   Call: (214) [system] 'I'='['
   Fail: (214) [system] 'I'='['
   Call: (214) [system] 'I'='{'
   Fail: (214) [system] 'I'='{'
   Call: (214) [system] 'I'='"'
   Fail: (214) [system] 'I'='"'
   Call: (214) [system] 'I'=!
   Fail: (214) [system] 'I'=!
   Call: (214) [system] 'I'='\''
   Fail: (214) [system] 'I'='\''
   Call: (214) [system] 'I'='`'
   Fail: (214) [system] 'I'='`'
   Call: (214) [system] 'I'=end_of_file
   Fail: (214) [system] 'I'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x55772f068e50), 'I', _665402)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _700912)
   Call: (216) [system] peek_char((0x55772f068e50), _701846)
   Exit: (216) [system] peek_char((0x55772f068e50), m)
^  Call: (216) [user] is_delimiter(m)
   Call: (217) [system] char_type(m, space)
   Fail: (217) [system] char_type(m, space)
   Call: (217) [system] arg(_706566, v('(', ')', end_of_file), m)
   Fail: (217) [system] arg(_707498, v('(', ')', end_of_file), m)
^  Fail: (216) [user] is_delimiter(m)
   Call: (216) [system] ')'==m
   Fail: (216) [system] ')'==m
   Call: (216) [system] get_char((0x55772f068e50), m)
   Exit: (216) [system] get_char((0x55772f068e50), m)
   Call: (216) [system] m=(\)
   Fail: (216) [system] m=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _714848)
   Call: (217) [system] peek_char((0x55772f068e50), _715782)
   Exit: (217) [system] peek_char((0x55772f068e50), p)
^  Call: (217) [user] is_delimiter(p)
   Call: (218) [system] char_type(p, space)
   Fail: (218) [system] char_type(p, space)
   Call: (218) [system] arg(_720502, v('(', ')', end_of_file), p)
   Fail: (218) [system] arg(_721434, v('(', ')', end_of_file), p)
^  Fail: (217) [user] is_delimiter(p)
   Call: (217) [system] ')'==p
   Fail: (217) [system] ')'==p
   Call: (217) [system] get_char((0x55772f068e50), p)
   Exit: (217) [system] get_char((0x55772f068e50), p)
   Call: (217) [system] p=(\)
   Fail: (217) [system] p=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _728784)
   Call: (218) [system] peek_char((0x55772f068e50), _729718)
   Exit: (218) [system] peek_char((0x55772f068e50), l)
^  Call: (218) [user] is_delimiter(l)
   Call: (219) [system] char_type(l, space)
   Fail: (219) [system] char_type(l, space)
   Call: (219) [system] arg(_734438, v('(', ')', end_of_file), l)
   Fail: (219) [system] arg(_735370, v('(', ')', end_of_file), l)
^  Fail: (218) [user] is_delimiter(l)
   Call: (218) [system] ')'==l
   Fail: (218) [system] ')'==l
   Call: (218) [system] get_char((0x55772f068e50), l)
   Exit: (218) [system] get_char((0x55772f068e50), l)
   Call: (218) [system] l=(\)
   Fail: (218) [system] l=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _742720)
   Call: (219) [system] peek_char((0x55772f068e50), _743654)
   Exit: (219) [system] peek_char((0x55772f068e50), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_748374, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_749306, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x55772f068e50), i)
   Exit: (219) [system] get_char((0x55772f068e50), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _756656)
   Call: (220) [system] peek_char((0x55772f068e50), _757590)
   Exit: (220) [system] peek_char((0x55772f068e50), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_762310, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_763242, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x55772f068e50), c)
   Exit: (220) [system] get_char((0x55772f068e50), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _770592)
   Call: (221) [system] peek_char((0x55772f068e50), _771526)
   Exit: (221) [system] peek_char((0x55772f068e50), a)
^  Call: (221) [user] is_delimiter(a)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] arg(_776246, v('(', ')', end_of_file), a)
   Fail: (222) [system] arg(_777178, v('(', ')', end_of_file), a)
^  Fail: (221) [user] is_delimiter(a)
   Call: (221) [system] ')'==a
   Fail: (221) [system] ')'==a
   Call: (221) [system] get_char((0x55772f068e50), a)
   Exit: (221) [system] get_char((0x55772f068e50), a)
   Call: (221) [system] a=(\)
   Fail: (221) [system] a=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _784528)
   Call: (222) [system] peek_char((0x55772f068e50), _785462)
   Exit: (222) [system] peek_char((0x55772f068e50), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_790182, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_791114, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x55772f068e50), t)
   Exit: (222) [system] get_char((0x55772f068e50), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _798464)
   Call: (223) [system] peek_char((0x55772f068e50), _799398)
   Exit: (223) [system] peek_char((0x55772f068e50), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_804118, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_805050, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x55772f068e50), i)
   Exit: (223) [system] get_char((0x55772f068e50), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _812400)
   Call: (224) [system] peek_char((0x55772f068e50), _813334)
   Exit: (224) [system] peek_char((0x55772f068e50), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_818054, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_818986, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x55772f068e50), o)
   Exit: (224) [system] get_char((0x55772f068e50), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _826336)
   Call: (225) [system] peek_char((0x55772f068e50), _827270)
   Exit: (225) [system] peek_char((0x55772f068e50), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_831990, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_832922, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x55772f068e50), n)
   Exit: (225) [system] get_char((0x55772f068e50), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _840272)
   Call: (226) [system] peek_char((0x55772f068e50), _841206)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _840272=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (225) [system] _826336=[n]
   Exit: (225) [system] [n]=[n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (224) [system] _812400=[o, n]
   Exit: (224) [system] [o, n]=[o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (223) [system] _798464=[i, o, n]
   Exit: (223) [system] [i, o, n]=[i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (222) [system] _784528=[t, i, o, n]
   Exit: (222) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (221) [system] _770592=[a, t, i, o, n]
   Exit: (221) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (220) [system] _756656=[c, a, t, i, o, n]
   Exit: (220) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (219) [system] _742720=[i, c, a, t, i, o, n]
   Exit: (219) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (218) [system] _728784=[l, i, c, a, t, i, o, n]
   Exit: (218) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (217) [system] _714848=[p, l, i, c, a, t, i, o, n]
   Exit: (217) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (216) [system] _700912=[m, p, l, i, c, a, t, i, o, n]
   Exit: (216) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (215) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _665402)
^  Call: (216) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _878430)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_879382, _879384), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _878430), _879364, fail)), '$restore_trace'(_879382, _879384))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_879382, _879384))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _878430), _879364, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_878430)
   Fail: (217) [system] atomic(_878430)
   Call: (217) [system] atom_chars(_878430, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (217) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (216) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (216) [system] integer('Implication')
   Fail: (216) [system] integer('Implication')
   Call: (216) [system] _665402='Implication'
   Exit: (216) [system] 'Implication'='Implication'
^  Exit: (215) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (214) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (213) [user] read_list(')', (0x55772f068e50), _893380)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _895238)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x55772f068e50), _904832)
   Exit: (215) [system] get_char((0x55772f068e50), ' ')
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _907536)
   Exit: (216) [system] peek_char((0x55772f068e50), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _924470)
   Exit: (214) [system] peek_char((0x55772f068e50), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _930040)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _931898)
   Exit: (216) [system] peek_char((0x55772f068e50), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _947908)
   Exit: (215) [system] get_char((0x55772f068e50), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x55772f068e50), _930040)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _953478)
   Exit: (217) [system] peek_char((0x55772f068e50), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
   Call: (217) [system] 'A'=(/)
   Fail: (217) [system] 'A'=(/)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _969488)
   Exit: (216) [system] peek_char((0x55772f068e50), 'A')
   Call: (216) [system] 'A'=')'
   Fail: (216) [system] 'A'=')'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x55772f068e50), _975058)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _976916)
   Exit: (218) [system] peek_char((0x55772f068e50), 'A')
   Call: (218) [system] 'A'=(;)
   Fail: (218) [system] 'A'=(;)
   Call: (218) [system] 'A'=(/)
   Fail: (218) [system] 'A'=(/)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Fail: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Fail: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Fail: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
   Fail: (219) [system] char_type('A', cntrl)
^  Fail: (218) [user] is_like_space('A')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] get_char((0x55772f068e50), _992926)
   Exit: (217) [system] get_char((0x55772f068e50), 'A')
   Call: (217) [system] 'A'='('
   Fail: (217) [system] 'A'='('
   Call: (217) [system] 'A'='['
   Fail: (217) [system] 'A'='['
   Call: (217) [system] 'A'='{'
   Fail: (217) [system] 'A'='{'
   Call: (217) [system] 'A'='"'
   Fail: (217) [system] 'A'='"'
   Call: (217) [system] 'A'=!
   Fail: (217) [system] 'A'=!
   Call: (217) [system] 'A'='\''
   Fail: (217) [system] 'A'='\''
   Call: (217) [system] 'A'='`'
   Fail: (217) [system] 'A'='`'
   Call: (217) [system] 'A'=end_of_file
   Fail: (217) [system] 'A'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x55772f068e50), 'A', _975058)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1010568)
   Call: (219) [system] peek_char((0x55772f068e50), _1011502)
   Exit: (219) [system] peek_char((0x55772f068e50), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1016222, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1017154, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x55772f068e50), n)
   Exit: (219) [system] get_char((0x55772f068e50), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1024504)
   Call: (220) [system] peek_char((0x55772f068e50), _1025438)
   Exit: (220) [system] peek_char((0x55772f068e50), d)
^  Call: (220) [user] is_delimiter(d)
   Call: (221) [system] char_type(d, space)
   Fail: (221) [system] char_type(d, space)
   Call: (221) [system] arg(_1030158, v('(', ')', end_of_file), d)
   Fail: (221) [system] arg(_1031090, v('(', ')', end_of_file), d)
^  Fail: (220) [user] is_delimiter(d)
   Call: (220) [system] ')'==d
   Fail: (220) [system] ')'==d
   Call: (220) [system] get_char((0x55772f068e50), d)
   Exit: (220) [system] get_char((0x55772f068e50), d)
   Call: (220) [system] d=(\)
   Fail: (220) [system] d=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1038440)
   Call: (221) [system] peek_char((0x55772f068e50), _1039374)
   Exit: (221) [system] peek_char((0x55772f068e50), 'L')
^  Call: (221) [user] is_delimiter('L')
   Call: (222) [system] char_type('L', space)
   Fail: (222) [system] char_type('L', space)
   Call: (222) [system] arg(_1044094, v('(', ')', end_of_file), 'L')
   Fail: (222) [system] arg(_1045026, v('(', ')', end_of_file), 'L')
^  Fail: (221) [user] is_delimiter('L')
   Call: (221) [system] ')'=='L'
   Fail: (221) [system] ')'=='L'
   Call: (221) [system] get_char((0x55772f068e50), 'L')
   Exit: (221) [system] get_char((0x55772f068e50), 'L')
   Call: (221) [system] 'L'=(\)
   Fail: (221) [system] 'L'=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1052376)
   Call: (222) [system] peek_char((0x55772f068e50), _1053310)
   Exit: (222) [system] peek_char((0x55772f068e50), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1058030, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_1058962, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x55772f068e50), i)
   Exit: (222) [system] get_char((0x55772f068e50), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1066312)
   Call: (223) [system] peek_char((0x55772f068e50), _1067246)
   Exit: (223) [system] peek_char((0x55772f068e50), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1071966, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_1072898, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x55772f068e50), n)
   Exit: (223) [system] get_char((0x55772f068e50), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1080248)
   Call: (224) [system] peek_char((0x55772f068e50), _1081182)
   Exit: (224) [system] peek_char((0x55772f068e50), k)
^  Call: (224) [user] is_delimiter(k)
   Call: (225) [system] char_type(k, space)
   Fail: (225) [system] char_type(k, space)
   Call: (225) [system] arg(_1085902, v('(', ')', end_of_file), k)
   Fail: (225) [system] arg(_1086834, v('(', ')', end_of_file), k)
^  Fail: (224) [user] is_delimiter(k)
   Call: (224) [system] ')'==k
   Fail: (224) [system] ')'==k
   Call: (224) [system] get_char((0x55772f068e50), k)
   Exit: (224) [system] get_char((0x55772f068e50), k)
   Call: (224) [system] k=(\)
   Fail: (224) [system] k=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1094184)
   Call: (225) [system] peek_char((0x55772f068e50), _1095118)
   Exit: (225) [system] peek_char((0x55772f068e50), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _1094184=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (224) [system] _1080248=[k]
   Exit: (224) [system] [k]=[k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (223) [system] _1066312=[n, k]
   Exit: (223) [system] [n, k]=[n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (222) [system] _1052376=[i, n, k]
   Exit: (222) [system] [i, n, k]=[i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (221) [system] _1038440=['L', i, n, k]
   Exit: (221) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (220) [system] _1024504=[d, 'L', i, n, k]
   Exit: (220) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (219) [system] _1010568=[n, d, 'L', i, n, k]
   Exit: (219) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (218) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _975058)
^  Call: (219) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1121166)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1122118, _1122120), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1121166), _1122100, fail)), '$restore_trace'(_1122118, _1122120))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1122118, _1122120))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1121166), _1122100, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1121166)
   Fail: (220) [system] atomic(_1121166)
   Call: (220) [system] atom_chars(_1121166, ['A', n, d, 'L', i, n, k])
   Exit: (220) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (219) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (219) [system] integer('AndLink')
   Fail: (219) [system] integer('AndLink')
   Call: (219) [system] _975058='AndLink'
   Exit: (219) [system] 'AndLink'='AndLink'
^  Exit: (218) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (217) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (216) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (216) [user] read_list(')', (0x55772f068e50), _1136116)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1137974)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x55772f068e50), _1147568)
   Exit: (218) [system] get_char((0x55772f068e50), ' ')
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1150272)
   Exit: (219) [system] peek_char((0x55772f068e50), 'A')
   Call: (219) [system] 'A'=(;)
   Fail: (219) [system] 'A'=(;)
   Call: (219) [system] 'A'=(/)
   Fail: (219) [system] 'A'=(/)
^  Call: (219) [user] is_like_space('A')
   Call: (220) [system] char_type('A', 'white')
   Fail: (220) [system] char_type('A', 'white')
   Call: (220) [system] char_type('A', end_of_line)
   Fail: (220) [system] char_type('A', end_of_line)
   Call: (220) [system] char_type('A', space)
   Fail: (220) [system] char_type('A', space)
   Call: (220) [system] char_type('A', cntrl)
   Fail: (220) [system] char_type('A', cntrl)
^  Fail: (219) [user] is_like_space('A')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1167206)
   Exit: (217) [system] peek_char((0x55772f068e50), 'A')
   Call: (217) [system] 'A'=')'
   Fail: (217) [system] 'A'=')'
   Call: (217) [system] 'A'=end_of_file
   Fail: (217) [system] 'A'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _1172776)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1174634)
   Exit: (219) [system] peek_char((0x55772f068e50), 'A')
   Call: (219) [system] 'A'=(;)
   Fail: (219) [system] 'A'=(;)
   Call: (219) [system] 'A'=(/)
   Fail: (219) [system] 'A'=(/)
^  Call: (219) [user] is_like_space('A')
   Call: (220) [system] char_type('A', 'white')
   Fail: (220) [system] char_type('A', 'white')
   Call: (220) [system] char_type('A', end_of_line)
   Fail: (220) [system] char_type('A', end_of_line)
   Call: (220) [system] char_type('A', space)
   Fail: (220) [system] char_type('A', space)
   Call: (220) [system] char_type('A', cntrl)
   Fail: (220) [system] char_type('A', cntrl)
^  Fail: (219) [user] is_like_space('A')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _1190644)
   Exit: (218) [system] get_char((0x55772f068e50), 'A')
   Call: (218) [system] 'A'='('
   Fail: (218) [system] 'A'='('
   Call: (218) [system] 'A'='['
   Fail: (218) [system] 'A'='['
   Call: (218) [system] 'A'='{'
   Fail: (218) [system] 'A'='{'
   Call: (218) [system] 'A'='"'
   Fail: (218) [system] 'A'='"'
   Call: (218) [system] 'A'=!
   Fail: (218) [system] 'A'=!
   Call: (218) [system] 'A'='\''
   Fail: (218) [system] 'A'='\''
   Call: (218) [system] 'A'='`'
   Fail: (218) [system] 'A'='`'
   Call: (218) [system] 'A'=end_of_file
   Fail: (218) [system] 'A'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x55772f068e50), 'A', _1172776)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1208286)
   Call: (220) [system] peek_char((0x55772f068e50), _1209220)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _1208286=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (219) [user] classify_and_convert_charseq(['A'], _1172776)
^  Call: (220) [user] classify_and_convert_charseq_(['A'], _1218504)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1219456, _1219458), once(user:catch(read_from_chars(['A'], _1218504), _1219438, fail)), '$restore_trace'(_1219456, _1219458))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1219456, _1219458))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1218504), _1219438, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_1218504)
   Fail: (221) [system] atomic(_1218504)
   Call: (221) [system] atom_chars(_1218504, ['A'])
   Exit: (221) [system] atom_chars('A', ['A'])
^  Exit: (220) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (220) [system] integer('A')
   Fail: (220) [system] integer('A')
   Call: (220) [system] _1172776='A'
   Exit: (220) [system] 'A'='A'
^  Exit: (219) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (218) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (217) [user] read_list(')', (0x55772f068e50), _1233454)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1235312)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x55772f068e50), _1244906)
   Exit: (219) [system] get_char((0x55772f068e50), ' ')
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1247610)
   Exit: (220) [system] peek_char((0x55772f068e50), 'B')
   Call: (220) [system] 'B'=(;)
   Fail: (220) [system] 'B'=(;)
   Call: (220) [system] 'B'=(/)
   Fail: (220) [system] 'B'=(/)
^  Call: (220) [user] is_like_space('B')
   Call: (221) [system] char_type('B', 'white')
   Fail: (221) [system] char_type('B', 'white')
   Call: (221) [system] char_type('B', end_of_line)
   Fail: (221) [system] char_type('B', end_of_line)
   Call: (221) [system] char_type('B', space)
   Fail: (221) [system] char_type('B', space)
   Call: (221) [system] char_type('B', cntrl)
   Fail: (221) [system] char_type('B', cntrl)
^  Fail: (220) [user] is_like_space('B')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1264544)
   Exit: (218) [system] peek_char((0x55772f068e50), 'B')
   Call: (218) [system] 'B'=')'
   Fail: (218) [system] 'B'=')'
   Call: (218) [system] 'B'=end_of_file
   Fail: (218) [system] 'B'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _1270114)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1271972)
   Exit: (220) [system] peek_char((0x55772f068e50), 'B')
   Call: (220) [system] 'B'=(;)
   Fail: (220) [system] 'B'=(;)
   Call: (220) [system] 'B'=(/)
   Fail: (220) [system] 'B'=(/)
^  Call: (220) [user] is_like_space('B')
   Call: (221) [system] char_type('B', 'white')
   Fail: (221) [system] char_type('B', 'white')
   Call: (221) [system] char_type('B', end_of_line)
   Fail: (221) [system] char_type('B', end_of_line)
   Call: (221) [system] char_type('B', space)
   Fail: (221) [system] char_type('B', space)
   Call: (221) [system] char_type('B', cntrl)
   Fail: (221) [system] char_type('B', cntrl)
^  Fail: (220) [user] is_like_space('B')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _1287982)
   Exit: (219) [system] get_char((0x55772f068e50), 'B')
   Call: (219) [system] 'B'='('
   Fail: (219) [system] 'B'='('
   Call: (219) [system] 'B'='['
   Fail: (219) [system] 'B'='['
   Call: (219) [system] 'B'='{'
   Fail: (219) [system] 'B'='{'
   Call: (219) [system] 'B'='"'
   Fail: (219) [system] 'B'='"'
   Call: (219) [system] 'B'=!
   Fail: (219) [system] 'B'=!
   Call: (219) [system] 'B'='\''
   Fail: (219) [system] 'B'='\''
   Call: (219) [system] 'B'='`'
   Fail: (219) [system] 'B'='`'
   Call: (219) [system] 'B'=end_of_file
   Fail: (219) [system] 'B'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x55772f068e50), 'B', _1270114)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1305624)
   Call: (221) [system] peek_char((0x55772f068e50), _1306558)
   Exit: (221) [system] peek_char((0x55772f068e50), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_1311278, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _1305624=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (220) [user] classify_and_convert_charseq(['B'], _1270114)
^  Call: (221) [user] classify_and_convert_charseq_(['B'], _1317714)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_1318666, _1318668), once(user:catch(read_from_chars(['B'], _1317714), _1318648, fail)), '$restore_trace'(_1318666, _1318668))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_1318666, _1318668))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1317714), _1318648, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_1317714)
   Fail: (222) [system] atomic(_1317714)
   Call: (222) [system] atom_chars(_1317714, ['B'])
   Exit: (222) [system] atom_chars('B', ['B'])
^  Exit: (221) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (221) [system] integer('B')
   Fail: (221) [system] integer('B')
   Call: (221) [system] _1270114='B'
   Exit: (221) [system] 'B'='B'
^  Exit: (220) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (219) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (218) [user] read_list(')', (0x55772f068e50), _1332664)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1334522)
   Exit: (220) [system] peek_char((0x55772f068e50), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
   Call: (220) [system] ')'=(/)
   Fail: (220) [system] ')'=(/)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1350532)
   Exit: (219) [system] peek_char((0x55772f068e50), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x55772f068e50), _1354322)
   Exit: (219) [system] get_char((0x55772f068e50), ')')
   Call: (219) [system] _1332664=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x55772f068e50), [])
   Call: (218) [system] _1233454=['B']
   Exit: (218) [system] ['B']=['B']
^  Exit: (217) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (217) [system] _1136116=['A', 'B']
   Exit: (217) [system] ['A', 'B']=['A', 'B']
^  Exit: (216) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (216) [system] _930040=['AndLink', 'A', 'B']
   Exit: (216) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (215) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (214) [user] read_list(')', (0x55772f068e50), _1368204)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1370062)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x55772f068e50), _1379656)
   Exit: (216) [system] get_char((0x55772f068e50), ' ')
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1382360)
   Exit: (217) [system] peek_char((0x55772f068e50), 'C')
   Call: (217) [system] 'C'=(;)
   Fail: (217) [system] 'C'=(;)
   Call: (217) [system] 'C'=(/)
   Fail: (217) [system] 'C'=(/)
^  Call: (217) [user] is_like_space('C')
   Call: (218) [system] char_type('C', 'white')
   Fail: (218) [system] char_type('C', 'white')
   Call: (218) [system] char_type('C', end_of_line)
   Fail: (218) [system] char_type('C', end_of_line)
   Call: (218) [system] char_type('C', space)
   Fail: (218) [system] char_type('C', space)
   Call: (218) [system] char_type('C', cntrl)
   Fail: (218) [system] char_type('C', cntrl)
^  Fail: (217) [user] is_like_space('C')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1399294)
   Exit: (215) [system] peek_char((0x55772f068e50), 'C')
   Call: (215) [system] 'C'=')'
   Fail: (215) [system] 'C'=')'
   Call: (215) [system] 'C'=end_of_file
   Fail: (215) [system] 'C'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x55772f068e50), _1404864)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1406722)
   Exit: (217) [system] peek_char((0x55772f068e50), 'C')
   Call: (217) [system] 'C'=(;)
   Fail: (217) [system] 'C'=(;)
   Call: (217) [system] 'C'=(/)
   Fail: (217) [system] 'C'=(/)
^  Call: (217) [user] is_like_space('C')
   Call: (218) [system] char_type('C', 'white')
   Fail: (218) [system] char_type('C', 'white')
   Call: (218) [system] char_type('C', end_of_line)
   Fail: (218) [system] char_type('C', end_of_line)
   Call: (218) [system] char_type('C', space)
   Fail: (218) [system] char_type('C', space)
   Call: (218) [system] char_type('C', cntrl)
   Fail: (218) [system] char_type('C', cntrl)
^  Fail: (217) [user] is_like_space('C')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] get_char((0x55772f068e50), _1422732)
   Exit: (216) [system] get_char((0x55772f068e50), 'C')
   Call: (216) [system] 'C'='('
   Fail: (216) [system] 'C'='('
   Call: (216) [system] 'C'='['
   Fail: (216) [system] 'C'='['
   Call: (216) [system] 'C'='{'
   Fail: (216) [system] 'C'='{'
   Call: (216) [system] 'C'='"'
   Fail: (216) [system] 'C'='"'
   Call: (216) [system] 'C'=!
   Fail: (216) [system] 'C'=!
   Call: (216) [system] 'C'='\''
   Fail: (216) [system] 'C'='\''
   Call: (216) [system] 'C'='`'
   Fail: (216) [system] 'C'='`'
   Call: (216) [system] 'C'=end_of_file
   Fail: (216) [system] 'C'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x55772f068e50), 'C', _1404864)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1440374)
   Call: (218) [system] peek_char((0x55772f068e50), _1441308)
   Exit: (218) [system] peek_char((0x55772f068e50), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_1446028, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _1440374=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (217) [user] classify_and_convert_charseq(['C'], _1404864)
^  Call: (218) [user] classify_and_convert_charseq_(['C'], _1452464)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1453416, _1453418), once(user:catch(read_from_chars(['C'], _1452464), _1453398, fail)), '$restore_trace'(_1453416, _1453418))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1453416, _1453418))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1452464), _1453398, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1452464)
   Fail: (219) [system] atomic(_1452464)
   Call: (219) [system] atom_chars(_1452464, ['C'])
   Exit: (219) [system] atom_chars('C', ['C'])
^  Exit: (218) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (218) [system] integer('C')
   Fail: (218) [system] integer('C')
   Call: (218) [system] _1404864='C'
   Exit: (218) [system] 'C'='C'
^  Exit: (217) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (216) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (215) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (215) [user] read_list(')', (0x55772f068e50), _1467414)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1469272)
   Exit: (217) [system] peek_char((0x55772f068e50), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
   Call: (217) [system] ')'=(/)
   Fail: (217) [system] ')'=(/)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1485282)
   Exit: (216) [system] peek_char((0x55772f068e50), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x55772f068e50), _1489072)
   Exit: (216) [system] get_char((0x55772f068e50), ')')
   Call: (216) [system] _1467414=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x55772f068e50), [])
   Call: (215) [system] _1368204=['C']
   Exit: (215) [system] ['C']=['C']
^  Exit: (214) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (214) [system] _893380=[['AndLink', 'A', 'B'], 'C']
   Exit: (214) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (213) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (213) [system] _620384=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (213) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (212) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (211) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (211) [user] read_list(')', (0x55772f068e50), _1502954)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1504812)
   Exit: (213) [system] peek_char((0x55772f068e50), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x55772f068e50), _1514406)
   Exit: (213) [system] get_char((0x55772f068e50), ' ')
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1517110)
   Exit: (214) [system] peek_char((0x55772f068e50), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1534044)
   Exit: (212) [system] peek_char((0x55772f068e50), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x55772f068e50), _1539614)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1541472)
   Exit: (214) [system] peek_char((0x55772f068e50), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] get_char((0x55772f068e50), _1557482)
   Exit: (213) [system] get_char((0x55772f068e50), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x55772f068e50), _1539614)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1563052)
   Exit: (215) [system] peek_char((0x55772f068e50), 'O')
   Call: (215) [system] 'O'=(;)
   Fail: (215) [system] 'O'=(;)
   Call: (215) [system] 'O'=(/)
   Fail: (215) [system] 'O'=(/)
^  Call: (215) [user] is_like_space('O')
   Call: (216) [system] char_type('O', 'white')
   Fail: (216) [system] char_type('O', 'white')
   Call: (216) [system] char_type('O', end_of_line)
   Fail: (216) [system] char_type('O', end_of_line)
   Call: (216) [system] char_type('O', space)
   Fail: (216) [system] char_type('O', space)
   Call: (216) [system] char_type('O', cntrl)
   Fail: (216) [system] char_type('O', cntrl)
^  Fail: (215) [user] is_like_space('O')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1579062)
   Exit: (214) [system] peek_char((0x55772f068e50), 'O')
   Call: (214) [system] 'O'=')'
   Fail: (214) [system] 'O'=')'
   Call: (214) [system] 'O'=end_of_file
   Fail: (214) [system] 'O'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _1584632)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1586490)
   Exit: (216) [system] peek_char((0x55772f068e50), 'O')
   Call: (216) [system] 'O'=(;)
   Fail: (216) [system] 'O'=(;)
   Call: (216) [system] 'O'=(/)
   Fail: (216) [system] 'O'=(/)
^  Call: (216) [user] is_like_space('O')
   Call: (217) [system] char_type('O', 'white')
   Fail: (217) [system] char_type('O', 'white')
   Call: (217) [system] char_type('O', end_of_line)
   Fail: (217) [system] char_type('O', end_of_line)
   Call: (217) [system] char_type('O', space)
   Fail: (217) [system] char_type('O', space)
   Call: (217) [system] char_type('O', cntrl)
   Fail: (217) [system] char_type('O', cntrl)
^  Fail: (216) [user] is_like_space('O')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _1602500)
   Exit: (215) [system] get_char((0x55772f068e50), 'O')
   Call: (215) [system] 'O'='('
   Fail: (215) [system] 'O'='('
   Call: (215) [system] 'O'='['
   Fail: (215) [system] 'O'='['
   Call: (215) [system] 'O'='{'
   Fail: (215) [system] 'O'='{'
   Call: (215) [system] 'O'='"'
   Fail: (215) [system] 'O'='"'
   Call: (215) [system] 'O'=!
   Fail: (215) [system] 'O'=!
   Call: (215) [system] 'O'='\''
   Fail: (215) [system] 'O'='\''
   Call: (215) [system] 'O'='`'
   Fail: (215) [system] 'O'='`'
   Call: (215) [system] 'O'=end_of_file
   Fail: (215) [system] 'O'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x55772f068e50), 'O', _1584632)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1620142)
   Call: (217) [system] peek_char((0x55772f068e50), _1621076)
   Exit: (217) [system] peek_char((0x55772f068e50), r)
^  Call: (217) [user] is_delimiter(r)
   Call: (218) [system] char_type(r, space)
   Fail: (218) [system] char_type(r, space)
   Call: (218) [system] arg(_1625796, v('(', ')', end_of_file), r)
   Fail: (218) [system] arg(_1626728, v('(', ')', end_of_file), r)
^  Fail: (217) [user] is_delimiter(r)
   Call: (217) [system] ')'==r
   Fail: (217) [system] ')'==r
   Call: (217) [system] get_char((0x55772f068e50), r)
   Exit: (217) [system] get_char((0x55772f068e50), r)
   Call: (217) [system] r=(\)
   Fail: (217) [system] r=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1634078)
   Call: (218) [system] peek_char((0x55772f068e50), _1635012)
   Exit: (218) [system] peek_char((0x55772f068e50), 'L')
^  Call: (218) [user] is_delimiter('L')
   Call: (219) [system] char_type('L', space)
   Fail: (219) [system] char_type('L', space)
   Call: (219) [system] arg(_1639732, v('(', ')', end_of_file), 'L')
   Fail: (219) [system] arg(_1640664, v('(', ')', end_of_file), 'L')
^  Fail: (218) [user] is_delimiter('L')
   Call: (218) [system] ')'=='L'
   Fail: (218) [system] ')'=='L'
   Call: (218) [system] get_char((0x55772f068e50), 'L')
   Exit: (218) [system] get_char((0x55772f068e50), 'L')
   Call: (218) [system] 'L'=(\)
   Fail: (218) [system] 'L'=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1648014)
   Call: (219) [system] peek_char((0x55772f068e50), _1648948)
   Exit: (219) [system] peek_char((0x55772f068e50), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_1653668, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_1654600, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x55772f068e50), i)
   Exit: (219) [system] get_char((0x55772f068e50), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1661950)
   Call: (220) [system] peek_char((0x55772f068e50), _1662884)
   Exit: (220) [system] peek_char((0x55772f068e50), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1667604, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1668536, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x55772f068e50), n)
   Exit: (220) [system] get_char((0x55772f068e50), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1675886)
   Call: (221) [system] peek_char((0x55772f068e50), _1676820)
   Exit: (221) [system] peek_char((0x55772f068e50), k)
^  Call: (221) [user] is_delimiter(k)
   Call: (222) [system] char_type(k, space)
   Fail: (222) [system] char_type(k, space)
   Call: (222) [system] arg(_1681540, v('(', ')', end_of_file), k)
   Fail: (222) [system] arg(_1682472, v('(', ')', end_of_file), k)
^  Fail: (221) [user] is_delimiter(k)
   Call: (221) [system] ')'==k
   Fail: (221) [system] ')'==k
   Call: (221) [system] get_char((0x55772f068e50), k)
   Exit: (221) [system] get_char((0x55772f068e50), k)
   Call: (221) [system] k=(\)
   Fail: (221) [system] k=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1689822)
   Call: (222) [system] peek_char((0x55772f068e50), _1690756)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _1689822=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (221) [system] _1675886=[k]
   Exit: (221) [system] [k]=[k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (220) [system] _1661950=[n, k]
   Exit: (220) [system] [n, k]=[n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (219) [system] _1648014=[i, n, k]
   Exit: (219) [system] [i, n, k]=[i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (218) [system] _1634078=['L', i, n, k]
   Exit: (218) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (217) [system] _1620142=[r, 'L', i, n, k]
   Exit: (217) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (216) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1584632)
^  Call: (217) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1714010)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1714962, _1714964), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1714010), _1714944, fail)), '$restore_trace'(_1714962, _1714964))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1714962, _1714964))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1714010), _1714944, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1714010)
   Fail: (218) [system] atomic(_1714010)
   Call: (218) [system] atom_chars(_1714010, ['O', r, 'L', i, n, k])
   Exit: (218) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (217) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (217) [system] integer('OrLink')
   Fail: (217) [system] integer('OrLink')
   Call: (217) [system] _1584632='OrLink'
   Exit: (217) [system] 'OrLink'='OrLink'
^  Exit: (216) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (215) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (214) [user] read_list(')', (0x55772f068e50), _1728960)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1730818)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x55772f068e50), _1740412)
   Exit: (216) [system] get_char((0x55772f068e50), ' ')
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1743116)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1760050)
   Exit: (215) [system] peek_char((0x55772f068e50), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x55772f068e50), _1765620)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1767478)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] get_char((0x55772f068e50), _1783488)
   Exit: (216) [system] get_char((0x55772f068e50), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x55772f068e50), _1765620)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1789058)
   Exit: (218) [system] peek_char((0x55772f068e50), 'I')
   Call: (218) [system] 'I'=(;)
   Fail: (218) [system] 'I'=(;)
   Call: (218) [system] 'I'=(/)
   Fail: (218) [system] 'I'=(/)
^  Call: (218) [user] is_like_space('I')
   Call: (219) [system] char_type('I', 'white')
   Fail: (219) [system] char_type('I', 'white')
   Call: (219) [system] char_type('I', end_of_line)
   Fail: (219) [system] char_type('I', end_of_line)
   Call: (219) [system] char_type('I', space)
   Fail: (219) [system] char_type('I', space)
   Call: (219) [system] char_type('I', cntrl)
   Fail: (219) [system] char_type('I', cntrl)
^  Fail: (218) [user] is_like_space('I')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1805068)
   Exit: (217) [system] peek_char((0x55772f068e50), 'I')
   Call: (217) [system] 'I'=')'
   Fail: (217) [system] 'I'=')'
   Call: (217) [system] 'I'=end_of_file
   Fail: (217) [system] 'I'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _1810638)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1812496)
   Exit: (219) [system] peek_char((0x55772f068e50), 'I')
   Call: (219) [system] 'I'=(;)
   Fail: (219) [system] 'I'=(;)
   Call: (219) [system] 'I'=(/)
   Fail: (219) [system] 'I'=(/)
^  Call: (219) [user] is_like_space('I')
   Call: (220) [system] char_type('I', 'white')
   Fail: (220) [system] char_type('I', 'white')
   Call: (220) [system] char_type('I', end_of_line)
   Fail: (220) [system] char_type('I', end_of_line)
   Call: (220) [system] char_type('I', space)
   Fail: (220) [system] char_type('I', space)
   Call: (220) [system] char_type('I', cntrl)
   Fail: (220) [system] char_type('I', cntrl)
^  Fail: (219) [user] is_like_space('I')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _1828506)
   Exit: (218) [system] get_char((0x55772f068e50), 'I')
   Call: (218) [system] 'I'='('
   Fail: (218) [system] 'I'='('
   Call: (218) [system] 'I'='['
   Fail: (218) [system] 'I'='['
   Call: (218) [system] 'I'='{'
   Fail: (218) [system] 'I'='{'
   Call: (218) [system] 'I'='"'
   Fail: (218) [system] 'I'='"'
   Call: (218) [system] 'I'=!
   Fail: (218) [system] 'I'=!
   Call: (218) [system] 'I'='\''
   Fail: (218) [system] 'I'='\''
   Call: (218) [system] 'I'='`'
   Fail: (218) [system] 'I'='`'
   Call: (218) [system] 'I'=end_of_file
   Fail: (218) [system] 'I'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x55772f068e50), 'I', _1810638)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1846148)
   Call: (220) [system] peek_char((0x55772f068e50), _1847082)
   Exit: (220) [system] peek_char((0x55772f068e50), m)
^  Call: (220) [user] is_delimiter(m)
   Call: (221) [system] char_type(m, space)
   Fail: (221) [system] char_type(m, space)
   Call: (221) [system] arg(_1851802, v('(', ')', end_of_file), m)
   Fail: (221) [system] arg(_1852734, v('(', ')', end_of_file), m)
^  Fail: (220) [user] is_delimiter(m)
   Call: (220) [system] ')'==m
   Fail: (220) [system] ')'==m
   Call: (220) [system] get_char((0x55772f068e50), m)
   Exit: (220) [system] get_char((0x55772f068e50), m)
   Call: (220) [system] m=(\)
   Fail: (220) [system] m=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1860084)
   Call: (221) [system] peek_char((0x55772f068e50), _1861018)
   Exit: (221) [system] peek_char((0x55772f068e50), p)
^  Call: (221) [user] is_delimiter(p)
   Call: (222) [system] char_type(p, space)
   Fail: (222) [system] char_type(p, space)
   Call: (222) [system] arg(_1865738, v('(', ')', end_of_file), p)
   Fail: (222) [system] arg(_1866670, v('(', ')', end_of_file), p)
^  Fail: (221) [user] is_delimiter(p)
   Call: (221) [system] ')'==p
   Fail: (221) [system] ')'==p
   Call: (221) [system] get_char((0x55772f068e50), p)
   Exit: (221) [system] get_char((0x55772f068e50), p)
   Call: (221) [system] p=(\)
   Fail: (221) [system] p=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1874020)
   Call: (222) [system] peek_char((0x55772f068e50), _1874954)
   Exit: (222) [system] peek_char((0x55772f068e50), l)
^  Call: (222) [user] is_delimiter(l)
   Call: (223) [system] char_type(l, space)
   Fail: (223) [system] char_type(l, space)
   Call: (223) [system] arg(_1879674, v('(', ')', end_of_file), l)
   Fail: (223) [system] arg(_1880606, v('(', ')', end_of_file), l)
^  Fail: (222) [user] is_delimiter(l)
   Call: (222) [system] ')'==l
   Fail: (222) [system] ')'==l
   Call: (222) [system] get_char((0x55772f068e50), l)
   Exit: (222) [system] get_char((0x55772f068e50), l)
   Call: (222) [system] l=(\)
   Fail: (222) [system] l=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1887956)
   Call: (223) [system] peek_char((0x55772f068e50), _1888890)
   Exit: (223) [system] peek_char((0x55772f068e50), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_1893610, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_1894542, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x55772f068e50), i)
   Exit: (223) [system] get_char((0x55772f068e50), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1901892)
   Call: (224) [system] peek_char((0x55772f068e50), _1902826)
   Exit: (224) [system] peek_char((0x55772f068e50), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_1907546, v('(', ')', end_of_file), c)
   Fail: (225) [system] arg(_1908478, v('(', ')', end_of_file), c)
^  Fail: (224) [user] is_delimiter(c)
   Call: (224) [system] ')'==c
   Fail: (224) [system] ')'==c
   Call: (224) [system] get_char((0x55772f068e50), c)
   Exit: (224) [system] get_char((0x55772f068e50), c)
   Call: (224) [system] c=(\)
   Fail: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1915828)
   Call: (225) [system] peek_char((0x55772f068e50), _1916762)
   Exit: (225) [system] peek_char((0x55772f068e50), a)
^  Call: (225) [user] is_delimiter(a)
   Call: (226) [system] char_type(a, space)
   Fail: (226) [system] char_type(a, space)
   Call: (226) [system] arg(_1921482, v('(', ')', end_of_file), a)
   Fail: (226) [system] arg(_1922414, v('(', ')', end_of_file), a)
^  Fail: (225) [user] is_delimiter(a)
   Call: (225) [system] ')'==a
   Fail: (225) [system] ')'==a
   Call: (225) [system] get_char((0x55772f068e50), a)
   Exit: (225) [system] get_char((0x55772f068e50), a)
   Call: (225) [system] a=(\)
   Fail: (225) [system] a=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1929764)
   Call: (226) [system] peek_char((0x55772f068e50), _1930698)
   Exit: (226) [system] peek_char((0x55772f068e50), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_1935418, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_1936350, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x55772f068e50), t)
   Exit: (226) [system] get_char((0x55772f068e50), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1943700)
   Call: (227) [system] peek_char((0x55772f068e50), _1944634)
   Exit: (227) [system] peek_char((0x55772f068e50), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1949354, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_1950286, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x55772f068e50), i)
   Exit: (227) [system] get_char((0x55772f068e50), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1957636)
   Call: (228) [system] peek_char((0x55772f068e50), _1958570)
   Exit: (228) [system] peek_char((0x55772f068e50), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_1963290, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_1964222, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x55772f068e50), o)
   Exit: (228) [system] get_char((0x55772f068e50), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1971572)
   Call: (229) [system] peek_char((0x55772f068e50), _1972506)
   Exit: (229) [system] peek_char((0x55772f068e50), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1977226, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1978158, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x55772f068e50), n)
   Exit: (229) [system] get_char((0x55772f068e50), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1985508)
   Call: (230) [system] peek_char((0x55772f068e50), _1986442)
   Exit: (230) [system] peek_char((0x55772f068e50), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1985508=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (229) [system] _1971572=[n]
   Exit: (229) [system] [n]=[n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (228) [system] _1957636=[o, n]
   Exit: (228) [system] [o, n]=[o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (227) [system] _1943700=[i, o, n]
   Exit: (227) [system] [i, o, n]=[i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (226) [system] _1929764=[t, i, o, n]
   Exit: (226) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (225) [system] _1915828=[a, t, i, o, n]
   Exit: (225) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (224) [system] _1901892=[c, a, t, i, o, n]
   Exit: (224) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (223) [system] _1887956=[i, c, a, t, i, o, n]
   Exit: (223) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (222) [system] _1874020=[l, i, c, a, t, i, o, n]
   Exit: (222) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (221) [system] _1860084=[p, l, i, c, a, t, i, o, n]
   Exit: (221) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (220) [system] _1846148=[m, p, l, i, c, a, t, i, o, n]
   Exit: (220) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (219) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1810638)
^  Call: (220) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _2023666)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_2024618, _2024620), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _2023666), _2024600, fail)), '$restore_trace'(_2024618, _2024620))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_2024618, _2024620))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _2023666), _2024600, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_2023666)
   Fail: (221) [system] atomic(_2023666)
   Call: (221) [system] atom_chars(_2023666, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (221) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (220) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (220) [system] integer('Implication')
   Fail: (220) [system] integer('Implication')
   Call: (220) [system] _1810638='Implication'
   Exit: (220) [system] 'Implication'='Implication'
^  Exit: (219) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (218) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (217) [user] read_list(')', (0x55772f068e50), _2038616)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _2040474)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x55772f068e50), _2050068)
   Exit: (219) [system] get_char((0x55772f068e50), ' ')
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _2052772)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _2069706)
   Exit: (218) [system] peek_char((0x55772f068e50), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _2075276)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _2077134)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _2093144)
   Exit: (219) [system] get_char((0x55772f068e50), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x55772f068e50), _4448)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _6254)
   Exit: (221) [system] peek_char((0x55772f068e50), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
   Call: (221) [system] 'A'=(/)
   Fail: (221) [system] 'A'=(/)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _22264)
   Exit: (220) [system] peek_char((0x55772f068e50), 'A')
   Call: (220) [system] 'A'=')'
   Fail: (220) [system] 'A'=')'
   Call: (220) [system] 'A'=end_of_file
   Fail: (220) [system] 'A'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _27834)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _29692)
   Exit: (222) [system] peek_char((0x55772f068e50), 'A')
   Call: (222) [system] 'A'=(;)
   Fail: (222) [system] 'A'=(;)
   Call: (222) [system] 'A'=(/)
   Fail: (222) [system] 'A'=(/)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Fail: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Fail: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Fail: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
   Fail: (223) [system] char_type('A', cntrl)
^  Fail: (222) [user] is_like_space('A')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _45702)
   Exit: (221) [system] get_char((0x55772f068e50), 'A')
   Call: (221) [system] 'A'='('
   Fail: (221) [system] 'A'='('
   Call: (221) [system] 'A'='['
   Fail: (221) [system] 'A'='['
   Call: (221) [system] 'A'='{'
   Fail: (221) [system] 'A'='{'
   Call: (221) [system] 'A'='"'
   Fail: (221) [system] 'A'='"'
   Call: (221) [system] 'A'=!
   Fail: (221) [system] 'A'=!
   Call: (221) [system] 'A'='\''
   Fail: (221) [system] 'A'='\''
   Call: (221) [system] 'A'='`'
   Fail: (221) [system] 'A'='`'
   Call: (221) [system] 'A'=end_of_file
   Fail: (221) [system] 'A'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x55772f068e50), 'A', _27834)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _63344)
   Call: (223) [system] peek_char((0x55772f068e50), _64278)
   Exit: (223) [system] peek_char((0x55772f068e50), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_68998, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_69930, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x55772f068e50), n)
   Exit: (223) [system] get_char((0x55772f068e50), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _77280)
   Call: (224) [system] peek_char((0x55772f068e50), _78214)
   Exit: (224) [system] peek_char((0x55772f068e50), d)
^  Call: (224) [user] is_delimiter(d)
   Call: (225) [system] char_type(d, space)
   Fail: (225) [system] char_type(d, space)
   Call: (225) [system] arg(_82934, v('(', ')', end_of_file), d)
   Fail: (225) [system] arg(_83866, v('(', ')', end_of_file), d)
^  Fail: (224) [user] is_delimiter(d)
   Call: (224) [system] ')'==d
   Fail: (224) [system] ')'==d
   Call: (224) [system] get_char((0x55772f068e50), d)
   Exit: (224) [system] get_char((0x55772f068e50), d)
   Call: (224) [system] d=(\)
   Fail: (224) [system] d=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _91216)
   Call: (225) [system] peek_char((0x55772f068e50), _92150)
   Exit: (225) [system] peek_char((0x55772f068e50), 'L')
^  Call: (225) [user] is_delimiter('L')
   Call: (226) [system] char_type('L', space)
   Fail: (226) [system] char_type('L', space)
   Call: (226) [system] arg(_96870, v('(', ')', end_of_file), 'L')
   Fail: (226) [system] arg(_97802, v('(', ')', end_of_file), 'L')
^  Fail: (225) [user] is_delimiter('L')
   Call: (225) [system] ')'=='L'
   Fail: (225) [system] ')'=='L'
   Call: (225) [system] get_char((0x55772f068e50), 'L')
   Exit: (225) [system] get_char((0x55772f068e50), 'L')
   Call: (225) [system] 'L'=(\)
   Fail: (225) [system] 'L'=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _105152)
   Call: (226) [system] peek_char((0x55772f068e50), _106086)
   Exit: (226) [system] peek_char((0x55772f068e50), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_110806, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_111738, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x55772f068e50), i)
   Exit: (226) [system] get_char((0x55772f068e50), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _119088)
   Call: (227) [system] peek_char((0x55772f068e50), _120022)
   Exit: (227) [system] peek_char((0x55772f068e50), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_124742, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_125674, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x55772f068e50), n)
   Exit: (227) [system] get_char((0x55772f068e50), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _133024)
   Call: (228) [system] peek_char((0x55772f068e50), _133958)
   Exit: (228) [system] peek_char((0x55772f068e50), k)
^  Call: (228) [user] is_delimiter(k)
   Call: (229) [system] char_type(k, space)
   Fail: (229) [system] char_type(k, space)
   Call: (229) [system] arg(_138678, v('(', ')', end_of_file), k)
   Fail: (229) [system] arg(_139610, v('(', ')', end_of_file), k)
^  Fail: (228) [user] is_delimiter(k)
   Call: (228) [system] ')'==k
   Fail: (228) [system] ')'==k
   Call: (228) [system] get_char((0x55772f068e50), k)
   Exit: (228) [system] get_char((0x55772f068e50), k)
   Call: (228) [system] k=(\)
   Fail: (228) [system] k=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _146960)
   Call: (229) [system] peek_char((0x55772f068e50), _147894)
   Exit: (229) [system] peek_char((0x55772f068e50), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _146960=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (228) [system] _133024=[k]
   Exit: (228) [system] [k]=[k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (227) [system] _119088=[n, k]
   Exit: (227) [system] [n, k]=[n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (226) [system] _105152=[i, n, k]
   Exit: (226) [system] [i, n, k]=[i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (225) [system] _91216=['L', i, n, k]
   Exit: (225) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (224) [system] _77280=[d, 'L', i, n, k]
   Exit: (224) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (223) [system] _63344=[n, d, 'L', i, n, k]
   Exit: (223) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (222) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _27834)
^  Call: (223) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _173942)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_174894, _174896), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _173942), _174876, fail)), '$restore_trace'(_174894, _174896))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_174894, _174896))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _173942), _174876, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_173942)
   Fail: (224) [system] atomic(_173942)
   Call: (224) [system] atom_chars(_173942, ['A', n, d, 'L', i, n, k])
   Exit: (224) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (223) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (223) [system] integer('AndLink')
   Fail: (223) [system] integer('AndLink')
   Call: (223) [system] _27834='AndLink'
   Exit: (223) [system] 'AndLink'='AndLink'
^  Exit: (222) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (221) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (220) [user] read_list(')', (0x55772f068e50), _188892)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _190750)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x55772f068e50), _200344)
   Exit: (222) [system] get_char((0x55772f068e50), ' ')
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _203048)
   Exit: (223) [system] peek_char((0x55772f068e50), 'A')
   Call: (223) [system] 'A'=(;)
   Fail: (223) [system] 'A'=(;)
   Call: (223) [system] 'A'=(/)
   Fail: (223) [system] 'A'=(/)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Fail: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Fail: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Fail: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
   Fail: (224) [system] char_type('A', cntrl)
^  Fail: (223) [user] is_like_space('A')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _219982)
   Exit: (221) [system] peek_char((0x55772f068e50), 'A')
   Call: (221) [system] 'A'=')'
   Fail: (221) [system] 'A'=')'
   Call: (221) [system] 'A'=end_of_file
   Fail: (221) [system] 'A'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _225552)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _227410)
   Exit: (223) [system] peek_char((0x55772f068e50), 'A')
   Call: (223) [system] 'A'=(;)
   Fail: (223) [system] 'A'=(;)
   Call: (223) [system] 'A'=(/)
   Fail: (223) [system] 'A'=(/)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Fail: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Fail: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Fail: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
   Fail: (224) [system] char_type('A', cntrl)
^  Fail: (223) [user] is_like_space('A')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _243420)
   Exit: (222) [system] get_char((0x55772f068e50), 'A')
   Call: (222) [system] 'A'='('
   Fail: (222) [system] 'A'='('
   Call: (222) [system] 'A'='['
   Fail: (222) [system] 'A'='['
   Call: (222) [system] 'A'='{'
   Fail: (222) [system] 'A'='{'
   Call: (222) [system] 'A'='"'
   Fail: (222) [system] 'A'='"'
   Call: (222) [system] 'A'=!
   Fail: (222) [system] 'A'=!
   Call: (222) [system] 'A'='\''
   Fail: (222) [system] 'A'='\''
   Call: (222) [system] 'A'='`'
   Fail: (222) [system] 'A'='`'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x55772f068e50), 'A', _225552)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _261062)
   Call: (224) [system] peek_char((0x55772f068e50), _261996)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _261062=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (223) [user] classify_and_convert_charseq(['A'], _225552)
^  Call: (224) [user] classify_and_convert_charseq_(['A'], _271280)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_272232, _272234), once(user:catch(read_from_chars(['A'], _271280), _272214, fail)), '$restore_trace'(_272232, _272234))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_272232, _272234))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _271280), _272214, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_271280)
   Fail: (225) [system] atomic(_271280)
   Call: (225) [system] atom_chars(_271280, ['A'])
   Exit: (225) [system] atom_chars('A', ['A'])
^  Exit: (224) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (224) [system] integer('A')
   Fail: (224) [system] integer('A')
   Call: (224) [system] _225552='A'
   Exit: (224) [system] 'A'='A'
^  Exit: (223) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (222) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (221) [user] read_list(')', (0x55772f068e50), _286230)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _288088)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x55772f068e50), _297682)
   Exit: (223) [system] get_char((0x55772f068e50), ' ')
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _300386)
   Exit: (224) [system] peek_char((0x55772f068e50), 'B')
   Call: (224) [system] 'B'=(;)
   Fail: (224) [system] 'B'=(;)
   Call: (224) [system] 'B'=(/)
   Fail: (224) [system] 'B'=(/)
^  Call: (224) [user] is_like_space('B')
   Call: (225) [system] char_type('B', 'white')
   Fail: (225) [system] char_type('B', 'white')
   Call: (225) [system] char_type('B', end_of_line)
   Fail: (225) [system] char_type('B', end_of_line)
   Call: (225) [system] char_type('B', space)
   Fail: (225) [system] char_type('B', space)
   Call: (225) [system] char_type('B', cntrl)
   Fail: (225) [system] char_type('B', cntrl)
^  Fail: (224) [user] is_like_space('B')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _317320)
   Exit: (222) [system] peek_char((0x55772f068e50), 'B')
   Call: (222) [system] 'B'=')'
   Fail: (222) [system] 'B'=')'
   Call: (222) [system] 'B'=end_of_file
   Fail: (222) [system] 'B'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _322890)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _324748)
   Exit: (224) [system] peek_char((0x55772f068e50), 'B')
   Call: (224) [system] 'B'=(;)
   Fail: (224) [system] 'B'=(;)
   Call: (224) [system] 'B'=(/)
   Fail: (224) [system] 'B'=(/)
^  Call: (224) [user] is_like_space('B')
   Call: (225) [system] char_type('B', 'white')
   Fail: (225) [system] char_type('B', 'white')
   Call: (225) [system] char_type('B', end_of_line)
   Fail: (225) [system] char_type('B', end_of_line)
   Call: (225) [system] char_type('B', space)
   Fail: (225) [system] char_type('B', space)
   Call: (225) [system] char_type('B', cntrl)
   Fail: (225) [system] char_type('B', cntrl)
^  Fail: (224) [user] is_like_space('B')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _340758)
   Exit: (223) [system] get_char((0x55772f068e50), 'B')
   Call: (223) [system] 'B'='('
   Fail: (223) [system] 'B'='('
   Call: (223) [system] 'B'='['
   Fail: (223) [system] 'B'='['
   Call: (223) [system] 'B'='{'
   Fail: (223) [system] 'B'='{'
   Call: (223) [system] 'B'='"'
   Fail: (223) [system] 'B'='"'
   Call: (223) [system] 'B'=!
   Fail: (223) [system] 'B'=!
   Call: (223) [system] 'B'='\''
   Fail: (223) [system] 'B'='\''
   Call: (223) [system] 'B'='`'
   Fail: (223) [system] 'B'='`'
   Call: (223) [system] 'B'=end_of_file
   Fail: (223) [system] 'B'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x55772f068e50), 'B', _322890)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _358400)
   Call: (225) [system] peek_char((0x55772f068e50), _359334)
   Exit: (225) [system] peek_char((0x55772f068e50), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_364054, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _358400=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (224) [user] classify_and_convert_charseq(['B'], _322890)
^  Call: (225) [user] classify_and_convert_charseq_(['B'], _370490)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_371442, _371444), once(user:catch(read_from_chars(['B'], _370490), _371424, fail)), '$restore_trace'(_371442, _371444))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_371442, _371444))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _370490), _371424, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_370490)
   Fail: (226) [system] atomic(_370490)
   Call: (226) [system] atom_chars(_370490, ['B'])
   Exit: (226) [system] atom_chars('B', ['B'])
^  Exit: (225) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (225) [system] integer('B')
   Fail: (225) [system] integer('B')
   Call: (225) [system] _322890='B'
   Exit: (225) [system] 'B'='B'
^  Exit: (224) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (223) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (222) [user] read_list(')', (0x55772f068e50), _385440)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _387298)
   Exit: (224) [system] peek_char((0x55772f068e50), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
   Call: (224) [system] ')'=(/)
   Fail: (224) [system] ')'=(/)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _403308)
   Exit: (223) [system] peek_char((0x55772f068e50), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x55772f068e50), _407098)
   Exit: (223) [system] get_char((0x55772f068e50), ')')
   Call: (223) [system] _385440=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x55772f068e50), [])
   Call: (222) [system] _286230=['B']
   Exit: (222) [system] ['B']=['B']
^  Exit: (221) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (221) [system] _188892=['A', 'B']
   Exit: (221) [system] ['A', 'B']=['A', 'B']
^  Exit: (220) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (220) [system] _4448=['AndLink', 'A', 'B']
   Exit: (220) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (219) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (218) [user] read_list(')', (0x55772f068e50), _420980)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _422838)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x55772f068e50), _432432)
   Exit: (220) [system] get_char((0x55772f068e50), ' ')
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _435136)
   Exit: (221) [system] peek_char((0x55772f068e50), 'C')
   Call: (221) [system] 'C'=(;)
   Fail: (221) [system] 'C'=(;)
   Call: (221) [system] 'C'=(/)
   Fail: (221) [system] 'C'=(/)
^  Call: (221) [user] is_like_space('C')
   Call: (222) [system] char_type('C', 'white')
   Fail: (222) [system] char_type('C', 'white')
   Call: (222) [system] char_type('C', end_of_line)
   Fail: (222) [system] char_type('C', end_of_line)
   Call: (222) [system] char_type('C', space)
   Fail: (222) [system] char_type('C', space)
   Call: (222) [system] char_type('C', cntrl)
   Fail: (222) [system] char_type('C', cntrl)
^  Fail: (221) [user] is_like_space('C')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _452070)
   Exit: (219) [system] peek_char((0x55772f068e50), 'C')
   Call: (219) [system] 'C'=')'
   Fail: (219) [system] 'C'=')'
   Call: (219) [system] 'C'=end_of_file
   Fail: (219) [system] 'C'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _457640)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _459498)
   Exit: (221) [system] peek_char((0x55772f068e50), 'C')
   Call: (221) [system] 'C'=(;)
   Fail: (221) [system] 'C'=(;)
   Call: (221) [system] 'C'=(/)
   Fail: (221) [system] 'C'=(/)
^  Call: (221) [user] is_like_space('C')
   Call: (222) [system] char_type('C', 'white')
   Fail: (222) [system] char_type('C', 'white')
   Call: (222) [system] char_type('C', end_of_line)
   Fail: (222) [system] char_type('C', end_of_line)
   Call: (222) [system] char_type('C', space)
   Fail: (222) [system] char_type('C', space)
   Call: (222) [system] char_type('C', cntrl)
   Fail: (222) [system] char_type('C', cntrl)
^  Fail: (221) [user] is_like_space('C')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _475508)
   Exit: (220) [system] get_char((0x55772f068e50), 'C')
   Call: (220) [system] 'C'='('
   Fail: (220) [system] 'C'='('
   Call: (220) [system] 'C'='['
   Fail: (220) [system] 'C'='['
   Call: (220) [system] 'C'='{'
   Fail: (220) [system] 'C'='{'
   Call: (220) [system] 'C'='"'
   Fail: (220) [system] 'C'='"'
   Call: (220) [system] 'C'=!
   Fail: (220) [system] 'C'=!
   Call: (220) [system] 'C'='\''
   Fail: (220) [system] 'C'='\''
   Call: (220) [system] 'C'='`'
   Fail: (220) [system] 'C'='`'
   Call: (220) [system] 'C'=end_of_file
   Fail: (220) [system] 'C'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x55772f068e50), 'C', _457640)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _493150)
   Call: (222) [system] peek_char((0x55772f068e50), _494084)
   Exit: (222) [system] peek_char((0x55772f068e50), ')')
^  Call: (222) [user] is_delimiter(')')
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] arg(_498804, v('(', ')', end_of_file), ')')
   Exit: (223) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (222) [user] is_delimiter(')')
   Call: (222) [system] _493150=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (221) [user] classify_and_convert_charseq(['C'], _457640)
^  Call: (222) [user] classify_and_convert_charseq_(['C'], _505240)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_506192, _506194), once(user:catch(read_from_chars(['C'], _505240), _506174, fail)), '$restore_trace'(_506192, _506194))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_506192, _506194))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _505240), _506174, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_505240)
   Fail: (223) [system] atomic(_505240)
   Call: (223) [system] atom_chars(_505240, ['C'])
   Exit: (223) [system] atom_chars('C', ['C'])
^  Exit: (222) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (222) [system] integer('C')
   Fail: (222) [system] integer('C')
   Call: (222) [system] _457640='C'
   Exit: (222) [system] 'C'='C'
^  Exit: (221) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (220) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (219) [user] read_list(')', (0x55772f068e50), _520190)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _522048)
   Exit: (221) [system] peek_char((0x55772f068e50), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
   Call: (221) [system] ')'=(/)
   Fail: (221) [system] ')'=(/)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _538058)
   Exit: (220) [system] peek_char((0x55772f068e50), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x55772f068e50), _541848)
   Exit: (220) [system] get_char((0x55772f068e50), ')')
   Call: (220) [system] _520190=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x55772f068e50), [])
   Call: (219) [system] _420980=['C']
   Exit: (219) [system] ['C']=['C']
^  Exit: (218) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (218) [system] _4444=[['AndLink', 'A', 'B'], 'C']
   Exit: (218) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (217) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (217) [system] _4436=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (217) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (216) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (215) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (215) [user] read_list(')', (0x55772f068e50), _555730)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _557588)
   Exit: (217) [system] peek_char((0x55772f068e50), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x55772f068e50), _567182)
   Exit: (217) [system] get_char((0x55772f068e50), ' ')
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _569886)
   Exit: (218) [system] peek_char((0x55772f068e50), 'B')
   Call: (218) [system] 'B'=(;)
   Fail: (218) [system] 'B'=(;)
   Call: (218) [system] 'B'=(/)
   Fail: (218) [system] 'B'=(/)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Fail: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Fail: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Fail: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
   Fail: (219) [system] char_type('B', cntrl)
^  Fail: (218) [user] is_like_space('B')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _586820)
   Exit: (216) [system] peek_char((0x55772f068e50), 'B')
   Call: (216) [system] 'B'=')'
   Fail: (216) [system] 'B'=')'
   Call: (216) [system] 'B'=end_of_file
   Fail: (216) [system] 'B'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x55772f068e50), _592390)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _594248)
   Exit: (218) [system] peek_char((0x55772f068e50), 'B')
   Call: (218) [system] 'B'=(;)
   Fail: (218) [system] 'B'=(;)
   Call: (218) [system] 'B'=(/)
   Fail: (218) [system] 'B'=(/)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Fail: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Fail: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Fail: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
   Fail: (219) [system] char_type('B', cntrl)
^  Fail: (218) [user] is_like_space('B')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] get_char((0x55772f068e50), _610258)
   Exit: (217) [system] get_char((0x55772f068e50), 'B')
   Call: (217) [system] 'B'='('
   Fail: (217) [system] 'B'='('
   Call: (217) [system] 'B'='['
   Fail: (217) [system] 'B'='['
   Call: (217) [system] 'B'='{'
   Fail: (217) [system] 'B'='{'
   Call: (217) [system] 'B'='"'
   Fail: (217) [system] 'B'='"'
   Call: (217) [system] 'B'=!
   Fail: (217) [system] 'B'=!
   Call: (217) [system] 'B'='\''
   Fail: (217) [system] 'B'='\''
   Call: (217) [system] 'B'='`'
   Fail: (217) [system] 'B'='`'
   Call: (217) [system] 'B'=end_of_file
   Fail: (217) [system] 'B'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x55772f068e50), 'B', _592390)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _627900)
   Call: (219) [system] peek_char((0x55772f068e50), _628834)
   Exit: (219) [system] peek_char((0x55772f068e50), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_633554, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _627900=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (218) [user] classify_and_convert_charseq(['B'], _592390)
^  Call: (219) [user] classify_and_convert_charseq_(['B'], _639990)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_640942, _640944), once(user:catch(read_from_chars(['B'], _639990), _640924, fail)), '$restore_trace'(_640942, _640944))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_640942, _640944))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _639990), _640924, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_639990)
   Fail: (220) [system] atomic(_639990)
   Call: (220) [system] atom_chars(_639990, ['B'])
   Exit: (220) [system] atom_chars('B', ['B'])
^  Exit: (219) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (219) [system] integer('B')
   Fail: (219) [system] integer('B')
   Call: (219) [system] _592390='B'
   Exit: (219) [system] 'B'='B'
^  Exit: (218) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (217) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (216) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (216) [user] read_list(')', (0x55772f068e50), _654940)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _656798)
   Exit: (218) [system] peek_char((0x55772f068e50), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
   Call: (218) [system] ')'=(/)
   Fail: (218) [system] ')'=(/)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _672808)
   Exit: (217) [system] peek_char((0x55772f068e50), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x55772f068e50), _676598)
   Exit: (217) [system] get_char((0x55772f068e50), ')')
   Call: (217) [system] _654940=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x55772f068e50), [])
   Call: (216) [system] _555730=['B']
   Exit: (216) [system] ['B']=['B']
^  Exit: (215) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (215) [system] _4432=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (215) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (214) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
   Call: (214) [system] _4424=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (214) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (213) [user] read_list(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Exit: (212) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Call: (212) [user] read_list(')', (0x55772f068e50), _690480)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _692338)
   Exit: (214) [system] peek_char((0x55772f068e50), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
   Call: (214) [system] ')'=(/)
   Fail: (214) [system] ')'=(/)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _708348)
   Exit: (213) [system] peek_char((0x55772f068e50), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x55772f068e50), _712138)
   Exit: (213) [system] get_char((0x55772f068e50), ')')
   Call: (213) [system] _690480=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x55772f068e50), [])
   Call: (212) [system] _4420=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (212) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (211) [user] read_list(')', (0x55772f068e50), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (211) [system] _4378=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (211) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (210) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (210) [system] _4370=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (210) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (209) [user] read_list(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Exit: (208) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Call: (208) [user] read_list(')', (0x55772f068e50), _726020)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _727878)
   Exit: (210) [system] peek_char((0x55772f068e50), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
   Call: (210) [system] ')'=(/)
   Fail: (210) [system] ')'=(/)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _743888)
   Exit: (209) [system] peek_char((0x55772f068e50), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x55772f068e50), _747678)
   Exit: (209) [system] get_char((0x55772f068e50), ')')
   Call: (209) [system] _726020=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x55772f068e50), [])
   Call: (208) [system] _4366=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
   Exit: (208) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
^  Exit: (207) [user] read_list(')', (0x55772f068e50), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]])
   Call: (207) [system] _4324=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
   Exit: (207) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
^  Exit: (206) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]])
   Call: (206) [system] _4316=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
   Exit: (206) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
^  Exit: (205) [user] read_list(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]])
^  Exit: (204) [user] cont_sexpr(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]])
^  Call: (204) [user] read_list(')', (0x55772f068e50), _761560)
^  Call: (205) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _763418)
   Exit: (206) [system] peek_char((0x55772f068e50), '\n')
   Call: (206) [system] '\n'=(;)
   Fail: (206) [system] '\n'=(;)
   Call: (206) [system] '\n'=(/)
   Fail: (206) [system] '\n'=(/)
^  Call: (206) [user] is_like_space('\n')
   Call: (207) [system] char_type('\n', 'white')
   Fail: (207) [system] char_type('\n', 'white')
   Call: (207) [system] char_type('\n', end_of_line)
   Exit: (207) [system] char_type('\n', end_of_line)
^  Exit: (206) [user] is_like_space('\n')
   Call: (206) [system] get_char((0x55772f068e50), _774868)
   Exit: (206) [system] get_char((0x55772f068e50), '\n')
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _777572)
   Exit: (207) [system] peek_char((0x55772f068e50), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x55772f068e50), _787166)
   Exit: (207) [system] get_char((0x55772f068e50), ' ')
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _789870)
   Exit: (208) [system] peek_char((0x55772f068e50), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
^  Exit: (205) [user] skip_spaces((0x55772f068e50))
   Call: (205) [system] peek_char((0x55772f068e50), _807728)
   Exit: (205) [system] peek_char((0x55772f068e50), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x55772f068e50), _813298)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _815156)
   Exit: (207) [system] peek_char((0x55772f068e50), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] get_char((0x55772f068e50), _831166)
   Exit: (206) [system] get_char((0x55772f068e50), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x55772f068e50), _813298)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _836736)
   Exit: (208) [system] peek_char((0x55772f068e50), :)
   Call: (208) [system] (:)=(;)
   Fail: (208) [system] (:)=(;)
   Call: (208) [system] (:)=(/)
   Fail: (208) [system] (:)=(/)
^  Call: (208) [user] is_like_space(:)
   Call: (209) [system] char_type(:, 'white')
   Fail: (209) [system] char_type(:, 'white')
   Call: (209) [system] char_type(:, end_of_line)
   Fail: (209) [system] char_type(:, end_of_line)
   Call: (209) [system] char_type(:, space)
   Fail: (209) [system] char_type(:, space)
   Call: (209) [system] char_type(:, cntrl)
   Fail: (209) [system] char_type(:, cntrl)
^  Fail: (208) [user] is_like_space(:)
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _852746)
   Exit: (207) [system] peek_char((0x55772f068e50), :)
   Call: (207) [system] (:)=')'
   Fail: (207) [system] (:)=')'
   Call: (207) [system] (:)=end_of_file
   Fail: (207) [system] (:)=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x55772f068e50), _858316)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _860174)
   Exit: (209) [system] peek_char((0x55772f068e50), :)
   Call: (209) [system] (:)=(;)
   Fail: (209) [system] (:)=(;)
   Call: (209) [system] (:)=(/)
   Fail: (209) [system] (:)=(/)
^  Call: (209) [user] is_like_space(:)
   Call: (210) [system] char_type(:, 'white')
   Fail: (210) [system] char_type(:, 'white')
   Call: (210) [system] char_type(:, end_of_line)
   Fail: (210) [system] char_type(:, end_of_line)
   Call: (210) [system] char_type(:, space)
   Fail: (210) [system] char_type(:, space)
   Call: (210) [system] char_type(:, cntrl)
   Fail: (210) [system] char_type(:, cntrl)
^  Fail: (209) [user] is_like_space(:)
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] get_char((0x55772f068e50), _876184)
   Exit: (208) [system] get_char((0x55772f068e50), :)
   Call: (208) [system] (:)='('
   Fail: (208) [system] (:)='('
   Call: (208) [system] (:)='['
   Fail: (208) [system] (:)='['
   Call: (208) [system] (:)='{'
   Fail: (208) [system] (:)='{'
   Call: (208) [system] (:)='"'
   Fail: (208) [system] (:)='"'
   Call: (208) [system] (:)=!
   Fail: (208) [system] (:)=!
   Call: (208) [system] (:)='\''
   Fail: (208) [system] (:)='\''
   Call: (208) [system] (:)='`'
   Fail: (208) [system] (:)='`'
   Call: (208) [system] (:)=end_of_file
   Fail: (208) [system] (:)=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x55772f068e50), :, _858316)
^  Call: (209) [user] read_symbolic_cont(')', (0x55772f068e50), _893826)
   Call: (210) [system] peek_char((0x55772f068e50), _894760)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _893826=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (209) [user] classify_and_convert_charseq([:], _858316)
^  Call: (210) [user] classify_and_convert_charseq_([:], _904044)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_904996, _904998), once(user:catch(read_from_chars([:], _904044), _904978, fail)), '$restore_trace'(_904996, _904998))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_904996, _904998))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _904978, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(:)
   Exit: (211) [system] atomic(:)
^  Exit: (210) [user] classify_and_convert_charseq_([:], :)
   Call: (210) [system] integer(:)
   Fail: (210) [system] integer(:)
   Call: (210) [system] _858316=(:)
   Exit: (210) [system] (:)=(:)
^  Exit: (209) [user] classify_and_convert_charseq([:], :)
^  Exit: (208) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (207) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (207) [user] read_list(')', (0x55772f068e50), _917124)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _918982)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x55772f068e50), _928576)
   Exit: (209) [system] get_char((0x55772f068e50), ' ')
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _931280)
   Exit: (210) [system] peek_char((0x55772f068e50), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _948214)
   Exit: (208) [system] peek_char((0x55772f068e50), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x55772f068e50), _953784)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _955642)
   Exit: (210) [system] peek_char((0x55772f068e50), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] get_char((0x55772f068e50), _971652)
   Exit: (209) [system] get_char((0x55772f068e50), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x55772f068e50), _953784)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _977222)
   Exit: (211) [system] peek_char((0x55772f068e50), 'D')
   Call: (211) [system] 'D'=(;)
   Fail: (211) [system] 'D'=(;)
   Call: (211) [system] 'D'=(/)
   Fail: (211) [system] 'D'=(/)
^  Call: (211) [user] is_like_space('D')
   Call: (212) [system] char_type('D', 'white')
   Fail: (212) [system] char_type('D', 'white')
   Call: (212) [system] char_type('D', end_of_line)
   Fail: (212) [system] char_type('D', end_of_line)
   Call: (212) [system] char_type('D', space)
   Fail: (212) [system] char_type('D', space)
   Call: (212) [system] char_type('D', cntrl)
   Fail: (212) [system] char_type('D', cntrl)
^  Fail: (211) [user] is_like_space('D')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _993232)
   Exit: (210) [system] peek_char((0x55772f068e50), 'D')
   Call: (210) [system] 'D'=')'
   Fail: (210) [system] 'D'=')'
   Call: (210) [system] 'D'=end_of_file
   Fail: (210) [system] 'D'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x55772f068e50), _998802)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1000660)
   Exit: (212) [system] peek_char((0x55772f068e50), 'D')
   Call: (212) [system] 'D'=(;)
   Fail: (212) [system] 'D'=(;)
   Call: (212) [system] 'D'=(/)
   Fail: (212) [system] 'D'=(/)
^  Call: (212) [user] is_like_space('D')
   Call: (213) [system] char_type('D', 'white')
   Fail: (213) [system] char_type('D', 'white')
   Call: (213) [system] char_type('D', end_of_line)
   Fail: (213) [system] char_type('D', end_of_line)
   Call: (213) [system] char_type('D', space)
   Fail: (213) [system] char_type('D', space)
   Call: (213) [system] char_type('D', cntrl)
   Fail: (213) [system] char_type('D', cntrl)
^  Fail: (212) [user] is_like_space('D')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] get_char((0x55772f068e50), _1016670)
   Exit: (211) [system] get_char((0x55772f068e50), 'D')
   Call: (211) [system] 'D'='('
   Fail: (211) [system] 'D'='('
   Call: (211) [system] 'D'='['
   Fail: (211) [system] 'D'='['
   Call: (211) [system] 'D'='{'
   Fail: (211) [system] 'D'='{'
   Call: (211) [system] 'D'='"'
   Fail: (211) [system] 'D'='"'
   Call: (211) [system] 'D'=!
   Fail: (211) [system] 'D'=!
   Call: (211) [system] 'D'='\''
   Fail: (211) [system] 'D'='\''
   Call: (211) [system] 'D'='`'
   Fail: (211) [system] 'D'='`'
   Call: (211) [system] 'D'=end_of_file
   Fail: (211) [system] 'D'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x55772f068e50), 'D', _998802)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1034312)
   Call: (213) [system] peek_char((0x55772f068e50), _1035246)
   Exit: (213) [system] peek_char((0x55772f068e50), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1039966, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1040898, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x55772f068e50), i)
   Exit: (213) [system] get_char((0x55772f068e50), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1048248)
   Call: (214) [system] peek_char((0x55772f068e50), _1049182)
   Exit: (214) [system] peek_char((0x55772f068e50), s)
^  Call: (214) [user] is_delimiter(s)
   Call: (215) [system] char_type(s, space)
   Fail: (215) [system] char_type(s, space)
   Call: (215) [system] arg(_1053902, v('(', ')', end_of_file), s)
   Fail: (215) [system] arg(_1054834, v('(', ')', end_of_file), s)
^  Fail: (214) [user] is_delimiter(s)
   Call: (214) [system] ')'==s
   Fail: (214) [system] ')'==s
   Call: (214) [system] get_char((0x55772f068e50), s)
   Exit: (214) [system] get_char((0x55772f068e50), s)
   Call: (214) [system] s=(\)
   Fail: (214) [system] s=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1062184)
   Call: (215) [system] peek_char((0x55772f068e50), _1063118)
   Exit: (215) [system] peek_char((0x55772f068e50), j)
^  Call: (215) [user] is_delimiter(j)
   Call: (216) [system] char_type(j, space)
   Fail: (216) [system] char_type(j, space)
   Call: (216) [system] arg(_1067838, v('(', ')', end_of_file), j)
   Fail: (216) [system] arg(_1068770, v('(', ')', end_of_file), j)
^  Fail: (215) [user] is_delimiter(j)
   Call: (215) [system] ')'==j
   Fail: (215) [system] ')'==j
   Call: (215) [system] get_char((0x55772f068e50), j)
   Exit: (215) [system] get_char((0x55772f068e50), j)
   Call: (215) [system] j=(\)
   Fail: (215) [system] j=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1076120)
   Call: (216) [system] peek_char((0x55772f068e50), _1077054)
   Exit: (216) [system] peek_char((0x55772f068e50), u)
^  Call: (216) [user] is_delimiter(u)
   Call: (217) [system] char_type(u, space)
   Fail: (217) [system] char_type(u, space)
   Call: (217) [system] arg(_1081774, v('(', ')', end_of_file), u)
   Fail: (217) [system] arg(_1082706, v('(', ')', end_of_file), u)
^  Fail: (216) [user] is_delimiter(u)
   Call: (216) [system] ')'==u
   Fail: (216) [system] ')'==u
   Call: (216) [system] get_char((0x55772f068e50), u)
   Exit: (216) [system] get_char((0x55772f068e50), u)
   Call: (216) [system] u=(\)
   Fail: (216) [system] u=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1090056)
   Call: (217) [system] peek_char((0x55772f068e50), _1090990)
   Exit: (217) [system] peek_char((0x55772f068e50), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1095710, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1096642, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x55772f068e50), n)
   Exit: (217) [system] get_char((0x55772f068e50), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1103992)
   Call: (218) [system] peek_char((0x55772f068e50), _1104926)
   Exit: (218) [system] peek_char((0x55772f068e50), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_1109646, v('(', ')', end_of_file), c)
   Fail: (219) [system] arg(_1110578, v('(', ')', end_of_file), c)
^  Fail: (218) [user] is_delimiter(c)
   Call: (218) [system] ')'==c
   Fail: (218) [system] ')'==c
   Call: (218) [system] get_char((0x55772f068e50), c)
   Exit: (218) [system] get_char((0x55772f068e50), c)
   Call: (218) [system] c=(\)
   Fail: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1117928)
   Call: (219) [system] peek_char((0x55772f068e50), _1118862)
   Exit: (219) [system] peek_char((0x55772f068e50), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Fail: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_1123582, v('(', ')', end_of_file), t)
   Fail: (220) [system] arg(_1124514, v('(', ')', end_of_file), t)
^  Fail: (219) [user] is_delimiter(t)
   Call: (219) [system] ')'==t
   Fail: (219) [system] ')'==t
   Call: (219) [system] get_char((0x55772f068e50), t)
   Exit: (219) [system] get_char((0x55772f068e50), t)
   Call: (219) [system] t=(\)
   Fail: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1131864)
   Call: (220) [system] peek_char((0x55772f068e50), _1132798)
   Exit: (220) [system] peek_char((0x55772f068e50), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1137518, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1138450, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x55772f068e50), i)
   Exit: (220) [system] get_char((0x55772f068e50), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1145800)
   Call: (221) [system] peek_char((0x55772f068e50), _1146734)
   Exit: (221) [system] peek_char((0x55772f068e50), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Fail: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_1151454, v('(', ')', end_of_file), o)
   Fail: (222) [system] arg(_1152386, v('(', ')', end_of_file), o)
^  Fail: (221) [user] is_delimiter(o)
   Call: (221) [system] ')'==o
   Fail: (221) [system] ')'==o
   Call: (221) [system] get_char((0x55772f068e50), o)
   Exit: (221) [system] get_char((0x55772f068e50), o)
   Call: (221) [system] o=(\)
   Fail: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1159736)
   Call: (222) [system] peek_char((0x55772f068e50), _1160670)
   Exit: (222) [system] peek_char((0x55772f068e50), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1165390, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1166322, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x55772f068e50), n)
   Exit: (222) [system] get_char((0x55772f068e50), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1173672)
   Call: (223) [system] peek_char((0x55772f068e50), _1174606)
   Exit: (223) [system] peek_char((0x55772f068e50), 'I')
^  Call: (223) [user] is_delimiter('I')
   Call: (224) [system] char_type('I', space)
   Fail: (224) [system] char_type('I', space)
   Call: (224) [system] arg(_1179326, v('(', ')', end_of_file), 'I')
   Fail: (224) [system] arg(_1180258, v('(', ')', end_of_file), 'I')
^  Fail: (223) [user] is_delimiter('I')
   Call: (223) [system] ')'=='I'
   Fail: (223) [system] ')'=='I'
   Call: (223) [system] get_char((0x55772f068e50), 'I')
   Exit: (223) [system] get_char((0x55772f068e50), 'I')
   Call: (223) [system] 'I'=(\)
   Fail: (223) [system] 'I'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1187608)
   Call: (224) [system] peek_char((0x55772f068e50), _1188542)
   Exit: (224) [system] peek_char((0x55772f068e50), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1193262, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1194194, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x55772f068e50), n)
   Exit: (224) [system] get_char((0x55772f068e50), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1201544)
   Call: (225) [system] peek_char((0x55772f068e50), _1202478)
   Exit: (225) [system] peek_char((0x55772f068e50), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_1207198, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_1208130, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x55772f068e50), t)
   Exit: (225) [system] get_char((0x55772f068e50), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1215480)
   Call: (226) [system] peek_char((0x55772f068e50), _1216414)
   Exit: (226) [system] peek_char((0x55772f068e50), r)
^  Call: (226) [user] is_delimiter(r)
   Call: (227) [system] char_type(r, space)
   Fail: (227) [system] char_type(r, space)
   Call: (227) [system] arg(_1221134, v('(', ')', end_of_file), r)
   Fail: (227) [system] arg(_1222066, v('(', ')', end_of_file), r)
^  Fail: (226) [user] is_delimiter(r)
   Call: (226) [system] ')'==r
   Fail: (226) [system] ')'==r
   Call: (226) [system] get_char((0x55772f068e50), r)
   Exit: (226) [system] get_char((0x55772f068e50), r)
   Call: (226) [system] r=(\)
   Fail: (226) [system] r=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1229416)
   Call: (227) [system] peek_char((0x55772f068e50), _1230350)
   Exit: (227) [system] peek_char((0x55772f068e50), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_1235070, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_1236002, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x55772f068e50), o)
   Exit: (227) [system] get_char((0x55772f068e50), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1243352)
   Call: (228) [system] peek_char((0x55772f068e50), _1244286)
   Exit: (228) [system] peek_char((0x55772f068e50), d)
^  Call: (228) [user] is_delimiter(d)
   Call: (229) [system] char_type(d, space)
   Fail: (229) [system] char_type(d, space)
   Call: (229) [system] arg(_1249006, v('(', ')', end_of_file), d)
   Fail: (229) [system] arg(_1249938, v('(', ')', end_of_file), d)
^  Fail: (228) [user] is_delimiter(d)
   Call: (228) [system] ')'==d
   Fail: (228) [system] ')'==d
   Call: (228) [system] get_char((0x55772f068e50), d)
   Exit: (228) [system] get_char((0x55772f068e50), d)
   Call: (228) [system] d=(\)
   Fail: (228) [system] d=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1257288)
   Call: (229) [system] peek_char((0x55772f068e50), _1258222)
   Exit: (229) [system] peek_char((0x55772f068e50), u)
^  Call: (229) [user] is_delimiter(u)
   Call: (230) [system] char_type(u, space)
   Fail: (230) [system] char_type(u, space)
   Call: (230) [system] arg(_1262942, v('(', ')', end_of_file), u)
   Fail: (230) [system] arg(_1263874, v('(', ')', end_of_file), u)
^  Fail: (229) [user] is_delimiter(u)
   Call: (229) [system] ')'==u
   Fail: (229) [system] ')'==u
   Call: (229) [system] get_char((0x55772f068e50), u)
   Exit: (229) [system] get_char((0x55772f068e50), u)
   Call: (229) [system] u=(\)
   Fail: (229) [system] u=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1271224)
   Call: (230) [system] peek_char((0x55772f068e50), _1272158)
   Exit: (230) [system] peek_char((0x55772f068e50), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Fail: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_1276878, v('(', ')', end_of_file), c)
   Fail: (231) [system] arg(_1277810, v('(', ')', end_of_file), c)
^  Fail: (230) [user] is_delimiter(c)
   Call: (230) [system] ')'==c
   Fail: (230) [system] ')'==c
   Call: (230) [system] get_char((0x55772f068e50), c)
   Exit: (230) [system] get_char((0x55772f068e50), c)
   Call: (230) [system] c=(\)
   Fail: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1285160)
   Call: (231) [system] peek_char((0x55772f068e50), _1286094)
   Exit: (231) [system] peek_char((0x55772f068e50), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Fail: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_1290814, v('(', ')', end_of_file), t)
   Fail: (232) [system] arg(_1291746, v('(', ')', end_of_file), t)
^  Fail: (231) [user] is_delimiter(t)
   Call: (231) [system] ')'==t
   Fail: (231) [system] ')'==t
   Call: (231) [system] get_char((0x55772f068e50), t)
   Exit: (231) [system] get_char((0x55772f068e50), t)
   Call: (231) [system] t=(\)
   Fail: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1299096)
   Call: (232) [system] peek_char((0x55772f068e50), _1300030)
   Exit: (232) [system] peek_char((0x55772f068e50), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_1304750, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_1305682, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x55772f068e50), i)
   Exit: (232) [system] get_char((0x55772f068e50), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1313032)
   Call: (233) [system] peek_char((0x55772f068e50), _1313966)
   Exit: (233) [system] peek_char((0x55772f068e50), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Fail: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_1318686, v('(', ')', end_of_file), o)
   Fail: (234) [system] arg(_1319618, v('(', ')', end_of_file), o)
^  Fail: (233) [user] is_delimiter(o)
   Call: (233) [system] ')'==o
   Fail: (233) [system] ')'==o
   Call: (233) [system] get_char((0x55772f068e50), o)
   Exit: (233) [system] get_char((0x55772f068e50), o)
   Call: (233) [system] o=(\)
   Fail: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1326968)
   Call: (234) [system] peek_char((0x55772f068e50), _1327902)
   Exit: (234) [system] peek_char((0x55772f068e50), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_1332622, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_1333554, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x55772f068e50), n)
   Exit: (234) [system] get_char((0x55772f068e50), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1340904)
   Call: (235) [system] peek_char((0x55772f068e50), _1341838)
   Exit: (235) [system] peek_char((0x55772f068e50), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _1340904=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (234) [system] _1326968=[n]
   Exit: (234) [system] [n]=[n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (233) [system] _1313032=[o, n]
   Exit: (233) [system] [o, n]=[o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (232) [system] _1299096=[i, o, n]
   Exit: (232) [system] [i, o, n]=[i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (231) [system] _1285160=[t, i, o, n]
   Exit: (231) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (230) [system] _1271224=[c, t, i, o, n]
   Exit: (230) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (229) [system] _1257288=[u, c, t, i, o, n]
   Exit: (229) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (228) [system] _1243352=[d, u, c, t, i, o, n]
   Exit: (228) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (227) [system] _1229416=[o, d, u, c, t, i, o, n]
   Exit: (227) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (226) [system] _1215480=[r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1201544=[t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1187608=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1173672=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1159736=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1145800=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1131864=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1117928=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1103992=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1090056=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1076120=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1062184=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1048248=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1034312=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (212) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _998802)
^  Call: (213) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1412590)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1413542, _1413544), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1412590), _1413524, fail)), '$restore_trace'(_1413542, _1413544))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1413542, _1413544))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1412590), _1413524, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1412590)
   Fail: (214) [system] atomic(_1412590)
   Call: (214) [system] atom_chars(_1412590, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (214) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (213) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (213) [system] integer('DisjunctionIntroduction')
   Fail: (213) [system] integer('DisjunctionIntroduction')
   Call: (213) [system] _998802='DisjunctionIntroduction'
   Exit: (213) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (212) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (211) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (210) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (210) [user] read_list(')', (0x55772f068e50), _1427540)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1429398)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x55772f068e50), _1438992)
   Exit: (212) [system] get_char((0x55772f068e50), ' ')
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1441696)
   Exit: (213) [system] peek_char((0x55772f068e50), a)
   Call: (213) [system] a=(;)
   Fail: (213) [system] a=(;)
   Call: (213) [system] a=(/)
   Fail: (213) [system] a=(/)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Fail: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
   Fail: (214) [system] char_type(a, cntrl)
^  Fail: (213) [user] is_like_space(a)
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1458630)
   Exit: (211) [system] peek_char((0x55772f068e50), a)
   Call: (211) [system] a=')'
   Fail: (211) [system] a=')'
   Call: (211) [system] a=end_of_file
   Fail: (211) [system] a=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x55772f068e50), _1464200)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1466058)
   Exit: (213) [system] peek_char((0x55772f068e50), a)
   Call: (213) [system] a=(;)
   Fail: (213) [system] a=(;)
   Call: (213) [system] a=(/)
   Fail: (213) [system] a=(/)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Fail: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
   Fail: (214) [system] char_type(a, cntrl)
^  Fail: (213) [user] is_like_space(a)
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] get_char((0x55772f068e50), _1482068)
   Exit: (212) [system] get_char((0x55772f068e50), a)
   Call: (212) [system] a='('
   Fail: (212) [system] a='('
   Call: (212) [system] a='['
   Fail: (212) [system] a='['
   Call: (212) [system] a='{'
   Fail: (212) [system] a='{'
   Call: (212) [system] a='"'
   Fail: (212) [system] a='"'
   Call: (212) [system] a=!
   Fail: (212) [system] a=!
   Call: (212) [system] a='\''
   Fail: (212) [system] a='\''
   Call: (212) [system] a='`'
   Fail: (212) [system] a='`'
   Call: (212) [system] a=end_of_file
   Fail: (212) [system] a=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x55772f068e50), a, _1464200)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1499710)
   Call: (214) [system] peek_char((0x55772f068e50), _1500644)
   Exit: (214) [system] peek_char((0x55772f068e50), b)
^  Call: (214) [user] is_delimiter(b)
   Call: (215) [system] char_type(b, space)
   Fail: (215) [system] char_type(b, space)
   Call: (215) [system] arg(_1505364, v('(', ')', end_of_file), b)
   Fail: (215) [system] arg(_1506296, v('(', ')', end_of_file), b)
^  Fail: (214) [user] is_delimiter(b)
   Call: (214) [system] ')'==b
   Fail: (214) [system] ')'==b
   Call: (214) [system] get_char((0x55772f068e50), b)
   Exit: (214) [system] get_char((0x55772f068e50), b)
   Call: (214) [system] b=(\)
   Fail: (214) [system] b=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1513646)
   Call: (215) [system] peek_char((0x55772f068e50), _1514580)
   Exit: (215) [system] peek_char((0x55772f068e50), c)
^  Call: (215) [user] is_delimiter(c)
   Call: (216) [system] char_type(c, space)
   Fail: (216) [system] char_type(c, space)
   Call: (216) [system] arg(_1519300, v('(', ')', end_of_file), c)
   Fail: (216) [system] arg(_1520232, v('(', ')', end_of_file), c)
^  Fail: (215) [user] is_delimiter(c)
   Call: (215) [system] ')'==c
   Fail: (215) [system] ')'==c
   Call: (215) [system] get_char((0x55772f068e50), c)
   Exit: (215) [system] get_char((0x55772f068e50), c)
   Call: (215) [system] c=(\)
   Fail: (215) [system] c=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1527582)
   Call: (216) [system] peek_char((0x55772f068e50), _1528516)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1527582=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (215) [system] _1513646=[c]
   Exit: (215) [system] [c]=[c]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (214) [system] _1499710=[b, c]
   Exit: (214) [system] [b, c]=[b, c]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (213) [user] classify_and_convert_charseq([a, b, c], _1464200)
^  Call: (214) [user] classify_and_convert_charseq_([a, b, c], _1543388)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1544340, _1544342), once(user:catch(read_from_chars([a, b, c], _1543388), _1544322, fail)), '$restore_trace'(_1544340, _1544342))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1544340, _1544342))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1544322, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(abc)
   Exit: (215) [system] atomic(abc)
^  Exit: (214) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (214) [system] integer(abc)
   Fail: (214) [system] integer(abc)
   Call: (214) [system] _1464200=abc
   Exit: (214) [system] abc=abc
^  Exit: (213) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (212) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (211) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (211) [user] read_list(')', (0x55772f068e50), _1556468)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1558326)
   Exit: (213) [system] peek_char((0x55772f068e50), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x55772f068e50), _1567920)
   Exit: (213) [system] get_char((0x55772f068e50), ' ')
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1570624)
   Exit: (214) [system] peek_char((0x55772f068e50), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1587558)
   Exit: (212) [system] peek_char((0x55772f068e50), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x55772f068e50), _1593128)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1594986)
   Exit: (214) [system] peek_char((0x55772f068e50), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] get_char((0x55772f068e50), _1610996)
   Exit: (213) [system] get_char((0x55772f068e50), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x55772f068e50), _1593128)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1616566)
   Exit: (215) [system] peek_char((0x55772f068e50), 'D')
   Call: (215) [system] 'D'=(;)
   Fail: (215) [system] 'D'=(;)
   Call: (215) [system] 'D'=(/)
   Fail: (215) [system] 'D'=(/)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Fail: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Fail: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Fail: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
   Fail: (216) [system] char_type('D', cntrl)
^  Fail: (215) [user] is_like_space('D')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1632576)
   Exit: (214) [system] peek_char((0x55772f068e50), 'D')
   Call: (214) [system] 'D'=')'
   Fail: (214) [system] 'D'=')'
   Call: (214) [system] 'D'=end_of_file
   Fail: (214) [system] 'D'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _1638146)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1640004)
   Exit: (216) [system] peek_char((0x55772f068e50), 'D')
   Call: (216) [system] 'D'=(;)
   Fail: (216) [system] 'D'=(;)
   Call: (216) [system] 'D'=(/)
   Fail: (216) [system] 'D'=(/)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Fail: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Fail: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Fail: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
   Fail: (217) [system] char_type('D', cntrl)
^  Fail: (216) [user] is_like_space('D')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _1656014)
   Exit: (215) [system] get_char((0x55772f068e50), 'D')
   Call: (215) [system] 'D'='('
   Fail: (215) [system] 'D'='('
   Call: (215) [system] 'D'='['
   Fail: (215) [system] 'D'='['
   Call: (215) [system] 'D'='{'
   Fail: (215) [system] 'D'='{'
   Call: (215) [system] 'D'='"'
   Fail: (215) [system] 'D'='"'
   Call: (215) [system] 'D'=!
   Fail: (215) [system] 'D'=!
   Call: (215) [system] 'D'='\''
   Fail: (215) [system] 'D'='\''
   Call: (215) [system] 'D'='`'
   Fail: (215) [system] 'D'='`'
   Call: (215) [system] 'D'=end_of_file
   Fail: (215) [system] 'D'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x55772f068e50), 'D', _1638146)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1673656)
   Call: (217) [system] peek_char((0x55772f068e50), _1674590)
   Exit: (217) [system] peek_char((0x55772f068e50), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1679310, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1680242, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x55772f068e50), i)
   Exit: (217) [system] get_char((0x55772f068e50), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1687592)
   Call: (218) [system] peek_char((0x55772f068e50), _1688526)
   Exit: (218) [system] peek_char((0x55772f068e50), s)
^  Call: (218) [user] is_delimiter(s)
   Call: (219) [system] char_type(s, space)
   Fail: (219) [system] char_type(s, space)
   Call: (219) [system] arg(_1693246, v('(', ')', end_of_file), s)
   Fail: (219) [system] arg(_1694178, v('(', ')', end_of_file), s)
^  Fail: (218) [user] is_delimiter(s)
   Call: (218) [system] ')'==s
   Fail: (218) [system] ')'==s
   Call: (218) [system] get_char((0x55772f068e50), s)
   Exit: (218) [system] get_char((0x55772f068e50), s)
   Call: (218) [system] s=(\)
   Fail: (218) [system] s=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1701528)
   Call: (219) [system] peek_char((0x55772f068e50), _1702462)
   Exit: (219) [system] peek_char((0x55772f068e50), j)
^  Call: (219) [user] is_delimiter(j)
   Call: (220) [system] char_type(j, space)
   Fail: (220) [system] char_type(j, space)
   Call: (220) [system] arg(_1707182, v('(', ')', end_of_file), j)
   Fail: (220) [system] arg(_1708114, v('(', ')', end_of_file), j)
^  Fail: (219) [user] is_delimiter(j)
   Call: (219) [system] ')'==j
   Fail: (219) [system] ')'==j
   Call: (219) [system] get_char((0x55772f068e50), j)
   Exit: (219) [system] get_char((0x55772f068e50), j)
   Call: (219) [system] j=(\)
   Fail: (219) [system] j=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1715464)
   Call: (220) [system] peek_char((0x55772f068e50), _1716398)
   Exit: (220) [system] peek_char((0x55772f068e50), u)
^  Call: (220) [user] is_delimiter(u)
   Call: (221) [system] char_type(u, space)
   Fail: (221) [system] char_type(u, space)
   Call: (221) [system] arg(_1721118, v('(', ')', end_of_file), u)
   Fail: (221) [system] arg(_1722050, v('(', ')', end_of_file), u)
^  Fail: (220) [user] is_delimiter(u)
   Call: (220) [system] ')'==u
   Fail: (220) [system] ')'==u
   Call: (220) [system] get_char((0x55772f068e50), u)
   Exit: (220) [system] get_char((0x55772f068e50), u)
   Call: (220) [system] u=(\)
   Fail: (220) [system] u=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1729400)
   Call: (221) [system] peek_char((0x55772f068e50), _1730334)
   Exit: (221) [system] peek_char((0x55772f068e50), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1735054, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1735986, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x55772f068e50), n)
   Exit: (221) [system] get_char((0x55772f068e50), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1743336)
   Call: (222) [system] peek_char((0x55772f068e50), _1744270)
   Exit: (222) [system] peek_char((0x55772f068e50), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_1748990, v('(', ')', end_of_file), c)
   Fail: (223) [system] arg(_1749922, v('(', ')', end_of_file), c)
^  Fail: (222) [user] is_delimiter(c)
   Call: (222) [system] ')'==c
   Fail: (222) [system] ')'==c
   Call: (222) [system] get_char((0x55772f068e50), c)
   Exit: (222) [system] get_char((0x55772f068e50), c)
   Call: (222) [system] c=(\)
   Fail: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1757272)
   Call: (223) [system] peek_char((0x55772f068e50), _1758206)
   Exit: (223) [system] peek_char((0x55772f068e50), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Fail: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_1762926, v('(', ')', end_of_file), t)
   Fail: (224) [system] arg(_1763858, v('(', ')', end_of_file), t)
^  Fail: (223) [user] is_delimiter(t)
   Call: (223) [system] ')'==t
   Fail: (223) [system] ')'==t
   Call: (223) [system] get_char((0x55772f068e50), t)
   Exit: (223) [system] get_char((0x55772f068e50), t)
   Call: (223) [system] t=(\)
   Fail: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1771208)
   Call: (224) [system] peek_char((0x55772f068e50), _1772142)
   Exit: (224) [system] peek_char((0x55772f068e50), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_1776862, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_1777794, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x55772f068e50), i)
   Exit: (224) [system] get_char((0x55772f068e50), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1785144)
   Call: (225) [system] peek_char((0x55772f068e50), _1786078)
   Exit: (225) [system] peek_char((0x55772f068e50), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Fail: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_1790798, v('(', ')', end_of_file), o)
   Fail: (226) [system] arg(_1791730, v('(', ')', end_of_file), o)
^  Fail: (225) [user] is_delimiter(o)
   Call: (225) [system] ')'==o
   Fail: (225) [system] ')'==o
   Call: (225) [system] get_char((0x55772f068e50), o)
   Exit: (225) [system] get_char((0x55772f068e50), o)
   Call: (225) [system] o=(\)
   Fail: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1799080)
   Call: (226) [system] peek_char((0x55772f068e50), _1800014)
   Exit: (226) [system] peek_char((0x55772f068e50), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1804734, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1805666, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x55772f068e50), n)
   Exit: (226) [system] get_char((0x55772f068e50), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1813016)
   Call: (227) [system] peek_char((0x55772f068e50), _1813950)
   Exit: (227) [system] peek_char((0x55772f068e50), 'I')
^  Call: (227) [user] is_delimiter('I')
   Call: (228) [system] char_type('I', space)
   Fail: (228) [system] char_type('I', space)
   Call: (228) [system] arg(_1818670, v('(', ')', end_of_file), 'I')
   Fail: (228) [system] arg(_1819602, v('(', ')', end_of_file), 'I')
^  Fail: (227) [user] is_delimiter('I')
   Call: (227) [system] ')'=='I'
   Fail: (227) [system] ')'=='I'
   Call: (227) [system] get_char((0x55772f068e50), 'I')
   Exit: (227) [system] get_char((0x55772f068e50), 'I')
   Call: (227) [system] 'I'=(\)
   Fail: (227) [system] 'I'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1826952)
   Call: (228) [system] peek_char((0x55772f068e50), _1827886)
   Exit: (228) [system] peek_char((0x55772f068e50), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_1832606, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_1833538, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x55772f068e50), n)
   Exit: (228) [system] get_char((0x55772f068e50), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1840888)
   Call: (229) [system] peek_char((0x55772f068e50), _1841822)
   Exit: (229) [system] peek_char((0x55772f068e50), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_1846542, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_1847474, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x55772f068e50), t)
   Exit: (229) [system] get_char((0x55772f068e50), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1854824)
   Call: (230) [system] peek_char((0x55772f068e50), _1855758)
   Exit: (230) [system] peek_char((0x55772f068e50), r)
^  Call: (230) [user] is_delimiter(r)
   Call: (231) [system] char_type(r, space)
   Fail: (231) [system] char_type(r, space)
   Call: (231) [system] arg(_1860478, v('(', ')', end_of_file), r)
   Fail: (231) [system] arg(_1861410, v('(', ')', end_of_file), r)
^  Fail: (230) [user] is_delimiter(r)
   Call: (230) [system] ')'==r
   Fail: (230) [system] ')'==r
   Call: (230) [system] get_char((0x55772f068e50), r)
   Exit: (230) [system] get_char((0x55772f068e50), r)
   Call: (230) [system] r=(\)
   Fail: (230) [system] r=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1868760)
   Call: (231) [system] peek_char((0x55772f068e50), _1869694)
   Exit: (231) [system] peek_char((0x55772f068e50), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_1874414, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_1875346, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x55772f068e50), o)
   Exit: (231) [system] get_char((0x55772f068e50), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1882696)
   Call: (232) [system] peek_char((0x55772f068e50), _1883630)
   Exit: (232) [system] peek_char((0x55772f068e50), d)
^  Call: (232) [user] is_delimiter(d)
   Call: (233) [system] char_type(d, space)
   Fail: (233) [system] char_type(d, space)
   Call: (233) [system] arg(_1888350, v('(', ')', end_of_file), d)
   Fail: (233) [system] arg(_1889282, v('(', ')', end_of_file), d)
^  Fail: (232) [user] is_delimiter(d)
   Call: (232) [system] ')'==d
   Fail: (232) [system] ')'==d
   Call: (232) [system] get_char((0x55772f068e50), d)
   Exit: (232) [system] get_char((0x55772f068e50), d)
   Call: (232) [system] d=(\)
   Fail: (232) [system] d=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1896632)
   Call: (233) [system] peek_char((0x55772f068e50), _1897566)
   Exit: (233) [system] peek_char((0x55772f068e50), u)
^  Call: (233) [user] is_delimiter(u)
   Call: (234) [system] char_type(u, space)
   Fail: (234) [system] char_type(u, space)
   Call: (234) [system] arg(_1902286, v('(', ')', end_of_file), u)
   Fail: (234) [system] arg(_1903218, v('(', ')', end_of_file), u)
^  Fail: (233) [user] is_delimiter(u)
   Call: (233) [system] ')'==u
   Fail: (233) [system] ')'==u
   Call: (233) [system] get_char((0x55772f068e50), u)
   Exit: (233) [system] get_char((0x55772f068e50), u)
   Call: (233) [system] u=(\)
   Fail: (233) [system] u=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1910568)
   Call: (234) [system] peek_char((0x55772f068e50), _1911502)
   Exit: (234) [system] peek_char((0x55772f068e50), c)
^  Call: (234) [user] is_delimiter(c)
   Call: (235) [system] char_type(c, space)
   Fail: (235) [system] char_type(c, space)
   Call: (235) [system] arg(_1916222, v('(', ')', end_of_file), c)
   Fail: (235) [system] arg(_1917154, v('(', ')', end_of_file), c)
^  Fail: (234) [user] is_delimiter(c)
   Call: (234) [system] ')'==c
   Fail: (234) [system] ')'==c
   Call: (234) [system] get_char((0x55772f068e50), c)
   Exit: (234) [system] get_char((0x55772f068e50), c)
   Call: (234) [system] c=(\)
   Fail: (234) [system] c=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1924504)
   Call: (235) [system] peek_char((0x55772f068e50), _1925438)
   Exit: (235) [system] peek_char((0x55772f068e50), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Fail: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_1930158, v('(', ')', end_of_file), t)
   Fail: (236) [system] arg(_1931090, v('(', ')', end_of_file), t)
^  Fail: (235) [user] is_delimiter(t)
   Call: (235) [system] ')'==t
   Fail: (235) [system] ')'==t
   Call: (235) [system] get_char((0x55772f068e50), t)
   Exit: (235) [system] get_char((0x55772f068e50), t)
   Call: (235) [system] t=(\)
   Fail: (235) [system] t=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1938440)
   Call: (236) [system] peek_char((0x55772f068e50), _1939374)
   Exit: (236) [system] peek_char((0x55772f068e50), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Fail: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_1944094, v('(', ')', end_of_file), i)
   Fail: (237) [system] arg(_1945026, v('(', ')', end_of_file), i)
^  Fail: (236) [user] is_delimiter(i)
   Call: (236) [system] ')'==i
   Fail: (236) [system] ')'==i
   Call: (236) [system] get_char((0x55772f068e50), i)
   Exit: (236) [system] get_char((0x55772f068e50), i)
   Call: (236) [system] i=(\)
   Fail: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1952376)
   Call: (237) [system] peek_char((0x55772f068e50), _1953310)
   Exit: (237) [system] peek_char((0x55772f068e50), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Fail: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_1958030, v('(', ')', end_of_file), o)
   Fail: (238) [system] arg(_1958962, v('(', ')', end_of_file), o)
^  Fail: (237) [user] is_delimiter(o)
   Call: (237) [system] ')'==o
   Fail: (237) [system] ')'==o
   Call: (237) [system] get_char((0x55772f068e50), o)
   Exit: (237) [system] get_char((0x55772f068e50), o)
   Call: (237) [system] o=(\)
   Fail: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _1966312)
   Call: (238) [system] peek_char((0x55772f068e50), _1967246)
   Exit: (238) [system] peek_char((0x55772f068e50), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Fail: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_1971966, v('(', ')', end_of_file), n)
   Fail: (239) [system] arg(_1972898, v('(', ')', end_of_file), n)
^  Fail: (238) [user] is_delimiter(n)
   Call: (238) [system] ')'==n
   Fail: (238) [system] ')'==n
   Call: (238) [system] get_char((0x55772f068e50), n)
   Exit: (238) [system] get_char((0x55772f068e50), n)
   Call: (238) [system] n=(\)
   Fail: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _1980248)
   Call: (239) [system] peek_char((0x55772f068e50), _1981182)
   Exit: (239) [system] peek_char((0x55772f068e50), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _1980248=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (238) [system] _1966312=[n]
   Exit: (238) [system] [n]=[n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (237) [system] _1952376=[o, n]
   Exit: (237) [system] [o, n]=[o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (236) [system] _1938440=[i, o, n]
   Exit: (236) [system] [i, o, n]=[i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (235) [system] _1924504=[t, i, o, n]
   Exit: (235) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (234) [system] _1910568=[c, t, i, o, n]
   Exit: (234) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (233) [system] _1896632=[u, c, t, i, o, n]
   Exit: (233) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (232) [system] _1882696=[d, u, c, t, i, o, n]
   Exit: (232) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (231) [system] _1868760=[o, d, u, c, t, i, o, n]
   Exit: (231) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (230) [system] _1854824=[r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1840888=[t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1826952=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1813016=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1799080=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1785144=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1771208=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1757272=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1743336=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1729400=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1715464=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1701528=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1687592=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1673656=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (216) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1638146)
^  Call: (217) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _2051934)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_2052886, _2052888), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _2051934), _2052868, fail)), '$restore_trace'(_2052886, _2052888))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_2052886, _2052888))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _2051934), _2052868, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_2051934)
   Fail: (218) [system] atomic(_2051934)
   Call: (218) [system] atom_chars(_2051934, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (218) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (217) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (217) [system] integer('DisjunctionIntroduction')
   Fail: (217) [system] integer('DisjunctionIntroduction')
   Call: (217) [system] _1638146='DisjunctionIntroduction'
   Exit: (217) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (216) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (215) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (214) [user] read_list(')', (0x55772f068e50), _2066884)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _2068742)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x55772f068e50), _2078336)
   Exit: (216) [system] get_char((0x55772f068e50), ' ')
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _2081040)
   Exit: (217) [system] peek_char((0x55772f068e50), a)
   Call: (217) [system] a=(;)
   Fail: (217) [system] a=(;)
   Call: (217) [system] a=(/)
   Fail: (217) [system] a=(/)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Fail: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Fail: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
   Fail: (218) [system] char_type(a, cntrl)
^  Fail: (217) [user] is_like_space(a)
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _5446)
   Exit: (215) [system] peek_char((0x55772f068e50), a)
   Call: (215) [system] a=')'
   Fail: (215) [system] a=')'
   Call: (215) [system] a=end_of_file
   Fail: (215) [system] a=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x55772f068e50), _11016)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _12874)
   Exit: (217) [system] peek_char((0x55772f068e50), a)
   Call: (217) [system] a=(;)
   Fail: (217) [system] a=(;)
   Call: (217) [system] a=(/)
   Fail: (217) [system] a=(/)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Fail: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Fail: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
   Fail: (218) [system] char_type(a, cntrl)
^  Fail: (217) [user] is_like_space(a)
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] get_char((0x55772f068e50), _28884)
   Exit: (216) [system] get_char((0x55772f068e50), a)
   Call: (216) [system] a='('
   Fail: (216) [system] a='('
   Call: (216) [system] a='['
   Fail: (216) [system] a='['
   Call: (216) [system] a='{'
   Fail: (216) [system] a='{'
   Call: (216) [system] a='"'
   Fail: (216) [system] a='"'
   Call: (216) [system] a=!
   Fail: (216) [system] a=!
   Call: (216) [system] a='\''
   Fail: (216) [system] a='\''
   Call: (216) [system] a='`'
   Fail: (216) [system] a='`'
   Call: (216) [system] a=end_of_file
   Fail: (216) [system] a=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x55772f068e50), a, _11016)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _46526)
   Call: (218) [system] peek_char((0x55772f068e50), _47460)
   Exit: (218) [system] peek_char((0x55772f068e50), b)
^  Call: (218) [user] is_delimiter(b)
   Call: (219) [system] char_type(b, space)
   Fail: (219) [system] char_type(b, space)
   Call: (219) [system] arg(_52180, v('(', ')', end_of_file), b)
   Fail: (219) [system] arg(_53112, v('(', ')', end_of_file), b)
^  Fail: (218) [user] is_delimiter(b)
   Call: (218) [system] ')'==b
   Fail: (218) [system] ')'==b
   Call: (218) [system] get_char((0x55772f068e50), b)
   Exit: (218) [system] get_char((0x55772f068e50), b)
   Call: (218) [system] b=(\)
   Fail: (218) [system] b=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _60462)
   Call: (219) [system] peek_char((0x55772f068e50), _61396)
   Exit: (219) [system] peek_char((0x55772f068e50), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_66116, v('(', ')', end_of_file), c)
   Fail: (220) [system] arg(_67048, v('(', ')', end_of_file), c)
^  Fail: (219) [user] is_delimiter(c)
   Call: (219) [system] ')'==c
   Fail: (219) [system] ')'==c
   Call: (219) [system] get_char((0x55772f068e50), c)
   Exit: (219) [system] get_char((0x55772f068e50), c)
   Call: (219) [system] c=(\)
   Fail: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _74398)
   Call: (220) [system] peek_char((0x55772f068e50), _75332)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _74398=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (219) [system] _60462=[c]
   Exit: (219) [system] [c]=[c]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (218) [system] _46526=[b, c]
   Exit: (218) [system] [b, c]=[b, c]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (217) [user] classify_and_convert_charseq([a, b, c], _11016)
^  Call: (218) [user] classify_and_convert_charseq_([a, b, c], _90204)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_91156, _91158), once(user:catch(read_from_chars([a, b, c], _90204), _91138, fail)), '$restore_trace'(_91156, _91158))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_91156, _91158))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _91138, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(abc)
   Exit: (219) [system] atomic(abc)
^  Exit: (218) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (218) [system] integer(abc)
   Fail: (218) [system] integer(abc)
   Call: (218) [system] _11016=abc
   Exit: (218) [system] abc=abc
^  Exit: (217) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (216) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (215) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (215) [user] read_list(')', (0x55772f068e50), _103284)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _105142)
   Exit: (217) [system] peek_char((0x55772f068e50), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x55772f068e50), _114736)
   Exit: (217) [system] get_char((0x55772f068e50), ' ')
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _117440)
   Exit: (218) [system] peek_char((0x55772f068e50), c)
   Call: (218) [system] c=(;)
   Fail: (218) [system] c=(;)
   Call: (218) [system] c=(/)
   Fail: (218) [system] c=(/)
^  Call: (218) [user] is_like_space(c)
   Call: (219) [system] char_type(c, 'white')
   Fail: (219) [system] char_type(c, 'white')
   Call: (219) [system] char_type(c, end_of_line)
   Fail: (219) [system] char_type(c, end_of_line)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] char_type(c, cntrl)
   Fail: (219) [system] char_type(c, cntrl)
^  Fail: (218) [user] is_like_space(c)
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _134374)
   Exit: (216) [system] peek_char((0x55772f068e50), c)
   Call: (216) [system] c=')'
   Fail: (216) [system] c=')'
   Call: (216) [system] c=end_of_file
   Fail: (216) [system] c=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x55772f068e50), _139944)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _141802)
   Exit: (218) [system] peek_char((0x55772f068e50), c)
   Call: (218) [system] c=(;)
   Fail: (218) [system] c=(;)
   Call: (218) [system] c=(/)
   Fail: (218) [system] c=(/)
^  Call: (218) [user] is_like_space(c)
   Call: (219) [system] char_type(c, 'white')
   Fail: (219) [system] char_type(c, 'white')
   Call: (219) [system] char_type(c, end_of_line)
   Fail: (219) [system] char_type(c, end_of_line)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] char_type(c, cntrl)
   Fail: (219) [system] char_type(c, cntrl)
^  Fail: (218) [user] is_like_space(c)
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] get_char((0x55772f068e50), _157812)
   Exit: (217) [system] get_char((0x55772f068e50), c)
   Call: (217) [system] c='('
   Fail: (217) [system] c='('
   Call: (217) [system] c='['
   Fail: (217) [system] c='['
   Call: (217) [system] c='{'
   Fail: (217) [system] c='{'
   Call: (217) [system] c='"'
   Fail: (217) [system] c='"'
   Call: (217) [system] c=!
   Fail: (217) [system] c=!
   Call: (217) [system] c='\''
   Fail: (217) [system] c='\''
   Call: (217) [system] c='`'
   Fail: (217) [system] c='`'
   Call: (217) [system] c=end_of_file
   Fail: (217) [system] c=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x55772f068e50), c, _139944)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _175454)
   Call: (219) [system] peek_char((0x55772f068e50), _176388)
   Exit: (219) [system] peek_char((0x55772f068e50), d)
^  Call: (219) [user] is_delimiter(d)
   Call: (220) [system] char_type(d, space)
   Fail: (220) [system] char_type(d, space)
   Call: (220) [system] arg(_181108, v('(', ')', end_of_file), d)
   Fail: (220) [system] arg(_182040, v('(', ')', end_of_file), d)
^  Fail: (219) [user] is_delimiter(d)
   Call: (219) [system] ')'==d
   Fail: (219) [system] ')'==d
   Call: (219) [system] get_char((0x55772f068e50), d)
   Exit: (219) [system] get_char((0x55772f068e50), d)
   Call: (219) [system] d=(\)
   Fail: (219) [system] d=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _189390)
   Call: (220) [system] peek_char((0x55772f068e50), _190324)
   Exit: (220) [system] peek_char((0x55772f068e50), e)
^  Call: (220) [user] is_delimiter(e)
   Call: (221) [system] char_type(e, space)
   Fail: (221) [system] char_type(e, space)
   Call: (221) [system] arg(_195044, v('(', ')', end_of_file), e)
   Fail: (221) [system] arg(_195976, v('(', ')', end_of_file), e)
^  Fail: (220) [user] is_delimiter(e)
   Call: (220) [system] ')'==e
   Fail: (220) [system] ')'==e
   Call: (220) [system] get_char((0x55772f068e50), e)
   Exit: (220) [system] get_char((0x55772f068e50), e)
   Call: (220) [system] e=(\)
   Fail: (220) [system] e=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _203326)
   Call: (221) [system] peek_char((0x55772f068e50), _204260)
   Exit: (221) [system] peek_char((0x55772f068e50), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_208980, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _203326=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (220) [system] _189390=[e]
   Exit: (220) [system] [e]=[e]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (219) [system] _175454=[d, e]
   Exit: (219) [system] [d, e]=[d, e]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [d, e])
^  Call: (218) [user] classify_and_convert_charseq([c, d, e], _139944)
^  Call: (219) [user] classify_and_convert_charseq_([c, d, e], _221004)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_221956, _221958), once(user:catch(read_from_chars([c, d, e], _221004), _221938, fail)), '$restore_trace'(_221956, _221958))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_221956, _221958))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _221938, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(cde)
   Exit: (220) [system] atomic(cde)
^  Exit: (219) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (219) [system] integer(cde)
   Fail: (219) [system] integer(cde)
   Call: (219) [system] _139944=cde
   Exit: (219) [system] cde=cde
^  Exit: (218) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (217) [user] read_symbolic(')', (0x55772f068e50), c, cde)
^  Exit: (216) [user] cont_sexpr(')', (0x55772f068e50), cde)
^  Call: (216) [user] read_list(')', (0x55772f068e50), _234084)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _235942)
   Exit: (218) [system] peek_char((0x55772f068e50), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
   Call: (218) [system] ')'=(/)
   Fail: (218) [system] ')'=(/)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _251952)
   Exit: (217) [system] peek_char((0x55772f068e50), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x55772f068e50), _255742)
   Exit: (217) [system] get_char((0x55772f068e50), ')')
   Call: (217) [system] _234084=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x55772f068e50), [])
   Call: (216) [system] _103284=[cde]
   Exit: (216) [system] [cde]=[cde]
^  Exit: (215) [user] read_list(')', (0x55772f068e50), [cde])
   Call: (215) [system] _4522=[abc, cde]
   Exit: (215) [system] [abc, cde]=[abc, cde]
^  Exit: (214) [user] read_list(')', (0x55772f068e50), [abc, cde])
   Call: (214) [system] _4514=['DisjunctionIntroduction', abc, cde]
   Exit: (214) [system] ['DisjunctionIntroduction', abc, cde]=['DisjunctionIntroduction', abc, cde]
^  Exit: (213) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, cde])
^  Exit: (212) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, cde])
^  Call: (212) [user] read_list(')', (0x55772f068e50), _269624)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _271482)
   Exit: (214) [system] peek_char((0x55772f068e50), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
   Call: (214) [system] ')'=(/)
   Fail: (214) [system] ')'=(/)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _287492)
   Exit: (213) [system] peek_char((0x55772f068e50), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x55772f068e50), _291282)
   Exit: (213) [system] get_char((0x55772f068e50), ')')
   Call: (213) [system] _269624=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x55772f068e50), [])
   Call: (212) [system] _4510=[['DisjunctionIntroduction', abc, cde]]
   Exit: (212) [system] [['DisjunctionIntroduction', abc, cde]]=[['DisjunctionIntroduction', abc, cde]]
^  Exit: (211) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', abc, cde]])
   Call: (211) [system] _4504=[abc, ['DisjunctionIntroduction', abc, cde]]
   Exit: (211) [system] [abc, ['DisjunctionIntroduction', abc, cde]]=[abc, ['DisjunctionIntroduction', abc, cde]]
^  Exit: (210) [user] read_list(')', (0x55772f068e50), [abc, ['DisjunctionIntroduction', abc, cde]])
   Call: (210) [system] _4496=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]]
   Exit: (210) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]]
^  Exit: (209) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]])
^  Exit: (208) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]])
^  Call: (208) [user] read_list(')', (0x55772f068e50), _305164)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _307022)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x55772f068e50), _316616)
   Exit: (210) [system] get_char((0x55772f068e50), ' ')
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _319320)
   Exit: (211) [system] peek_char((0x55772f068e50), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _336254)
   Exit: (209) [system] peek_char((0x55772f068e50), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x55772f068e50), _341824)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _343682)
   Exit: (211) [system] peek_char((0x55772f068e50), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] get_char((0x55772f068e50), _359692)
   Exit: (210) [system] get_char((0x55772f068e50), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x55772f068e50), _341824)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _365262)
   Exit: (212) [system] peek_char((0x55772f068e50), 'O')
   Call: (212) [system] 'O'=(;)
   Fail: (212) [system] 'O'=(;)
   Call: (212) [system] 'O'=(/)
   Fail: (212) [system] 'O'=(/)
^  Call: (212) [user] is_like_space('O')
   Call: (213) [system] char_type('O', 'white')
   Fail: (213) [system] char_type('O', 'white')
   Call: (213) [system] char_type('O', end_of_line)
   Fail: (213) [system] char_type('O', end_of_line)
   Call: (213) [system] char_type('O', space)
   Fail: (213) [system] char_type('O', space)
   Call: (213) [system] char_type('O', cntrl)
   Fail: (213) [system] char_type('O', cntrl)
^  Fail: (212) [user] is_like_space('O')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _381272)
   Exit: (211) [system] peek_char((0x55772f068e50), 'O')
   Call: (211) [system] 'O'=')'
   Fail: (211) [system] 'O'=')'
   Call: (211) [system] 'O'=end_of_file
   Fail: (211) [system] 'O'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x55772f068e50), _386842)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _388700)
   Exit: (213) [system] peek_char((0x55772f068e50), 'O')
   Call: (213) [system] 'O'=(;)
   Fail: (213) [system] 'O'=(;)
   Call: (213) [system] 'O'=(/)
   Fail: (213) [system] 'O'=(/)
^  Call: (213) [user] is_like_space('O')
   Call: (214) [system] char_type('O', 'white')
   Fail: (214) [system] char_type('O', 'white')
   Call: (214) [system] char_type('O', end_of_line)
   Fail: (214) [system] char_type('O', end_of_line)
   Call: (214) [system] char_type('O', space)
   Fail: (214) [system] char_type('O', space)
   Call: (214) [system] char_type('O', cntrl)
   Fail: (214) [system] char_type('O', cntrl)
^  Fail: (213) [user] is_like_space('O')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] get_char((0x55772f068e50), _404710)
   Exit: (212) [system] get_char((0x55772f068e50), 'O')
   Call: (212) [system] 'O'='('
   Fail: (212) [system] 'O'='('
   Call: (212) [system] 'O'='['
   Fail: (212) [system] 'O'='['
   Call: (212) [system] 'O'='{'
   Fail: (212) [system] 'O'='{'
   Call: (212) [system] 'O'='"'
   Fail: (212) [system] 'O'='"'
   Call: (212) [system] 'O'=!
   Fail: (212) [system] 'O'=!
   Call: (212) [system] 'O'='\''
   Fail: (212) [system] 'O'='\''
   Call: (212) [system] 'O'='`'
   Fail: (212) [system] 'O'='`'
   Call: (212) [system] 'O'=end_of_file
   Fail: (212) [system] 'O'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x55772f068e50), 'O', _386842)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _422352)
   Call: (214) [system] peek_char((0x55772f068e50), _423286)
   Exit: (214) [system] peek_char((0x55772f068e50), r)
^  Call: (214) [user] is_delimiter(r)
   Call: (215) [system] char_type(r, space)
   Fail: (215) [system] char_type(r, space)
   Call: (215) [system] arg(_428006, v('(', ')', end_of_file), r)
   Fail: (215) [system] arg(_428938, v('(', ')', end_of_file), r)
^  Fail: (214) [user] is_delimiter(r)
   Call: (214) [system] ')'==r
   Fail: (214) [system] ')'==r
   Call: (214) [system] get_char((0x55772f068e50), r)
   Exit: (214) [system] get_char((0x55772f068e50), r)
   Call: (214) [system] r=(\)
   Fail: (214) [system] r=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _436288)
   Call: (215) [system] peek_char((0x55772f068e50), _437222)
   Exit: (215) [system] peek_char((0x55772f068e50), 'L')
^  Call: (215) [user] is_delimiter('L')
   Call: (216) [system] char_type('L', space)
   Fail: (216) [system] char_type('L', space)
   Call: (216) [system] arg(_441942, v('(', ')', end_of_file), 'L')
   Fail: (216) [system] arg(_442874, v('(', ')', end_of_file), 'L')
^  Fail: (215) [user] is_delimiter('L')
   Call: (215) [system] ')'=='L'
   Fail: (215) [system] ')'=='L'
   Call: (215) [system] get_char((0x55772f068e50), 'L')
   Exit: (215) [system] get_char((0x55772f068e50), 'L')
   Call: (215) [system] 'L'=(\)
   Fail: (215) [system] 'L'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _450224)
   Call: (216) [system] peek_char((0x55772f068e50), _451158)
   Exit: (216) [system] peek_char((0x55772f068e50), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_455878, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_456810, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x55772f068e50), i)
   Exit: (216) [system] get_char((0x55772f068e50), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _464160)
   Call: (217) [system] peek_char((0x55772f068e50), _465094)
   Exit: (217) [system] peek_char((0x55772f068e50), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_469814, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_470746, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x55772f068e50), n)
   Exit: (217) [system] get_char((0x55772f068e50), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _478096)
   Call: (218) [system] peek_char((0x55772f068e50), _479030)
   Exit: (218) [system] peek_char((0x55772f068e50), k)
^  Call: (218) [user] is_delimiter(k)
   Call: (219) [system] char_type(k, space)
   Fail: (219) [system] char_type(k, space)
   Call: (219) [system] arg(_483750, v('(', ')', end_of_file), k)
   Fail: (219) [system] arg(_484682, v('(', ')', end_of_file), k)
^  Fail: (218) [user] is_delimiter(k)
   Call: (218) [system] ')'==k
   Fail: (218) [system] ')'==k
   Call: (218) [system] get_char((0x55772f068e50), k)
   Exit: (218) [system] get_char((0x55772f068e50), k)
   Call: (218) [system] k=(\)
   Fail: (218) [system] k=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _492032)
   Call: (219) [system] peek_char((0x55772f068e50), _492966)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _492032=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (218) [system] _478096=[k]
   Exit: (218) [system] [k]=[k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (217) [system] _464160=[n, k]
   Exit: (217) [system] [n, k]=[n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (216) [system] _450224=[i, n, k]
   Exit: (216) [system] [i, n, k]=[i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (215) [system] _436288=['L', i, n, k]
   Exit: (215) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (214) [system] _422352=[r, 'L', i, n, k]
   Exit: (214) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (213) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _386842)
^  Call: (214) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _516220)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_517172, _517174), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _516220), _517154, fail)), '$restore_trace'(_517172, _517174))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_517172, _517174))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _516220), _517154, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_516220)
   Fail: (215) [system] atomic(_516220)
   Call: (215) [system] atom_chars(_516220, ['O', r, 'L', i, n, k])
   Exit: (215) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (214) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (214) [system] integer('OrLink')
   Fail: (214) [system] integer('OrLink')
   Call: (214) [system] _386842='OrLink'
   Exit: (214) [system] 'OrLink'='OrLink'
^  Exit: (213) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (212) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (211) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (211) [user] read_list(')', (0x55772f068e50), _531170)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _533028)
   Exit: (213) [system] peek_char((0x55772f068e50), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x55772f068e50), _542622)
   Exit: (213) [system] get_char((0x55772f068e50), ' ')
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _545326)
   Exit: (214) [system] peek_char((0x55772f068e50), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _562260)
   Exit: (212) [system] peek_char((0x55772f068e50), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x55772f068e50), _567830)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _569688)
   Exit: (214) [system] peek_char((0x55772f068e50), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] get_char((0x55772f068e50), _585698)
   Exit: (213) [system] get_char((0x55772f068e50), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x55772f068e50), _567830)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _591268)
   Exit: (215) [system] peek_char((0x55772f068e50), 'I')
   Call: (215) [system] 'I'=(;)
   Fail: (215) [system] 'I'=(;)
   Call: (215) [system] 'I'=(/)
   Fail: (215) [system] 'I'=(/)
^  Call: (215) [user] is_like_space('I')
   Call: (216) [system] char_type('I', 'white')
   Fail: (216) [system] char_type('I', 'white')
   Call: (216) [system] char_type('I', end_of_line)
   Fail: (216) [system] char_type('I', end_of_line)
   Call: (216) [system] char_type('I', space)
   Fail: (216) [system] char_type('I', space)
   Call: (216) [system] char_type('I', cntrl)
   Fail: (216) [system] char_type('I', cntrl)
^  Fail: (215) [user] is_like_space('I')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _607278)
   Exit: (214) [system] peek_char((0x55772f068e50), 'I')
   Call: (214) [system] 'I'=')'
   Fail: (214) [system] 'I'=')'
   Call: (214) [system] 'I'=end_of_file
   Fail: (214) [system] 'I'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _612848)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _614706)
   Exit: (216) [system] peek_char((0x55772f068e50), 'I')
   Call: (216) [system] 'I'=(;)
   Fail: (216) [system] 'I'=(;)
   Call: (216) [system] 'I'=(/)
   Fail: (216) [system] 'I'=(/)
^  Call: (216) [user] is_like_space('I')
   Call: (217) [system] char_type('I', 'white')
   Fail: (217) [system] char_type('I', 'white')
   Call: (217) [system] char_type('I', end_of_line)
   Fail: (217) [system] char_type('I', end_of_line)
   Call: (217) [system] char_type('I', space)
   Fail: (217) [system] char_type('I', space)
   Call: (217) [system] char_type('I', cntrl)
   Fail: (217) [system] char_type('I', cntrl)
^  Fail: (216) [user] is_like_space('I')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _630716)
   Exit: (215) [system] get_char((0x55772f068e50), 'I')
   Call: (215) [system] 'I'='('
   Fail: (215) [system] 'I'='('
   Call: (215) [system] 'I'='['
   Fail: (215) [system] 'I'='['
   Call: (215) [system] 'I'='{'
   Fail: (215) [system] 'I'='{'
   Call: (215) [system] 'I'='"'
   Fail: (215) [system] 'I'='"'
   Call: (215) [system] 'I'=!
   Fail: (215) [system] 'I'=!
   Call: (215) [system] 'I'='\''
   Fail: (215) [system] 'I'='\''
   Call: (215) [system] 'I'='`'
   Fail: (215) [system] 'I'='`'
   Call: (215) [system] 'I'=end_of_file
   Fail: (215) [system] 'I'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x55772f068e50), 'I', _612848)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _648358)
   Call: (217) [system] peek_char((0x55772f068e50), _649292)
   Exit: (217) [system] peek_char((0x55772f068e50), m)
^  Call: (217) [user] is_delimiter(m)
   Call: (218) [system] char_type(m, space)
   Fail: (218) [system] char_type(m, space)
   Call: (218) [system] arg(_654012, v('(', ')', end_of_file), m)
   Fail: (218) [system] arg(_654944, v('(', ')', end_of_file), m)
^  Fail: (217) [user] is_delimiter(m)
   Call: (217) [system] ')'==m
   Fail: (217) [system] ')'==m
   Call: (217) [system] get_char((0x55772f068e50), m)
   Exit: (217) [system] get_char((0x55772f068e50), m)
   Call: (217) [system] m=(\)
   Fail: (217) [system] m=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _662294)
   Call: (218) [system] peek_char((0x55772f068e50), _663228)
   Exit: (218) [system] peek_char((0x55772f068e50), p)
^  Call: (218) [user] is_delimiter(p)
   Call: (219) [system] char_type(p, space)
   Fail: (219) [system] char_type(p, space)
   Call: (219) [system] arg(_667948, v('(', ')', end_of_file), p)
   Fail: (219) [system] arg(_668880, v('(', ')', end_of_file), p)
^  Fail: (218) [user] is_delimiter(p)
   Call: (218) [system] ')'==p
   Fail: (218) [system] ')'==p
   Call: (218) [system] get_char((0x55772f068e50), p)
   Exit: (218) [system] get_char((0x55772f068e50), p)
   Call: (218) [system] p=(\)
   Fail: (218) [system] p=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _676230)
   Call: (219) [system] peek_char((0x55772f068e50), _677164)
   Exit: (219) [system] peek_char((0x55772f068e50), l)
^  Call: (219) [user] is_delimiter(l)
   Call: (220) [system] char_type(l, space)
   Fail: (220) [system] char_type(l, space)
   Call: (220) [system] arg(_681884, v('(', ')', end_of_file), l)
   Fail: (220) [system] arg(_682816, v('(', ')', end_of_file), l)
^  Fail: (219) [user] is_delimiter(l)
   Call: (219) [system] ')'==l
   Fail: (219) [system] ')'==l
   Call: (219) [system] get_char((0x55772f068e50), l)
   Exit: (219) [system] get_char((0x55772f068e50), l)
   Call: (219) [system] l=(\)
   Fail: (219) [system] l=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _690166)
   Call: (220) [system] peek_char((0x55772f068e50), _691100)
   Exit: (220) [system] peek_char((0x55772f068e50), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_695820, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_696752, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x55772f068e50), i)
   Exit: (220) [system] get_char((0x55772f068e50), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _704102)
   Call: (221) [system] peek_char((0x55772f068e50), _705036)
   Exit: (221) [system] peek_char((0x55772f068e50), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Fail: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_709756, v('(', ')', end_of_file), c)
   Fail: (222) [system] arg(_710688, v('(', ')', end_of_file), c)
^  Fail: (221) [user] is_delimiter(c)
   Call: (221) [system] ')'==c
   Fail: (221) [system] ')'==c
   Call: (221) [system] get_char((0x55772f068e50), c)
   Exit: (221) [system] get_char((0x55772f068e50), c)
   Call: (221) [system] c=(\)
   Fail: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _718038)
   Call: (222) [system] peek_char((0x55772f068e50), _718972)
   Exit: (222) [system] peek_char((0x55772f068e50), a)
^  Call: (222) [user] is_delimiter(a)
   Call: (223) [system] char_type(a, space)
   Fail: (223) [system] char_type(a, space)
   Call: (223) [system] arg(_723692, v('(', ')', end_of_file), a)
   Fail: (223) [system] arg(_724624, v('(', ')', end_of_file), a)
^  Fail: (222) [user] is_delimiter(a)
   Call: (222) [system] ')'==a
   Fail: (222) [system] ')'==a
   Call: (222) [system] get_char((0x55772f068e50), a)
   Exit: (222) [system] get_char((0x55772f068e50), a)
   Call: (222) [system] a=(\)
   Fail: (222) [system] a=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _731974)
   Call: (223) [system] peek_char((0x55772f068e50), _732908)
   Exit: (223) [system] peek_char((0x55772f068e50), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Fail: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_737628, v('(', ')', end_of_file), t)
   Fail: (224) [system] arg(_738560, v('(', ')', end_of_file), t)
^  Fail: (223) [user] is_delimiter(t)
   Call: (223) [system] ')'==t
   Fail: (223) [system] ')'==t
   Call: (223) [system] get_char((0x55772f068e50), t)
   Exit: (223) [system] get_char((0x55772f068e50), t)
   Call: (223) [system] t=(\)
   Fail: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _745910)
   Call: (224) [system] peek_char((0x55772f068e50), _746844)
   Exit: (224) [system] peek_char((0x55772f068e50), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_751564, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_752496, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x55772f068e50), i)
   Exit: (224) [system] get_char((0x55772f068e50), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _759846)
   Call: (225) [system] peek_char((0x55772f068e50), _760780)
   Exit: (225) [system] peek_char((0x55772f068e50), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Fail: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_765500, v('(', ')', end_of_file), o)
   Fail: (226) [system] arg(_766432, v('(', ')', end_of_file), o)
^  Fail: (225) [user] is_delimiter(o)
   Call: (225) [system] ')'==o
   Fail: (225) [system] ')'==o
   Call: (225) [system] get_char((0x55772f068e50), o)
   Exit: (225) [system] get_char((0x55772f068e50), o)
   Call: (225) [system] o=(\)
   Fail: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _773782)
   Call: (226) [system] peek_char((0x55772f068e50), _774716)
   Exit: (226) [system] peek_char((0x55772f068e50), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_779436, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_780368, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x55772f068e50), n)
   Exit: (226) [system] get_char((0x55772f068e50), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _787718)
   Call: (227) [system] peek_char((0x55772f068e50), _788652)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _787718=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (226) [system] _773782=[n]
   Exit: (226) [system] [n]=[n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (225) [system] _759846=[o, n]
   Exit: (225) [system] [o, n]=[o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (224) [system] _745910=[i, o, n]
   Exit: (224) [system] [i, o, n]=[i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (223) [system] _731974=[t, i, o, n]
   Exit: (223) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (222) [system] _718038=[a, t, i, o, n]
   Exit: (222) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (221) [system] _704102=[c, a, t, i, o, n]
   Exit: (221) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (220) [system] _690166=[i, c, a, t, i, o, n]
   Exit: (220) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (219) [system] _676230=[l, i, c, a, t, i, o, n]
   Exit: (219) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (218) [system] _662294=[p, l, i, c, a, t, i, o, n]
   Exit: (218) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (217) [system] _648358=[m, p, l, i, c, a, t, i, o, n]
   Exit: (217) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (216) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _612848)
^  Call: (217) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _825876)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_826828, _826830), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _825876), _826810, fail)), '$restore_trace'(_826828, _826830))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_826828, _826830))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _825876), _826810, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_825876)
   Fail: (218) [system] atomic(_825876)
   Call: (218) [system] atom_chars(_825876, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (218) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (217) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (217) [system] integer('Implication')
   Fail: (217) [system] integer('Implication')
   Call: (217) [system] _612848='Implication'
   Exit: (217) [system] 'Implication'='Implication'
^  Exit: (216) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (215) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (214) [user] read_list(')', (0x55772f068e50), _840826)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _842684)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x55772f068e50), _852278)
   Exit: (216) [system] get_char((0x55772f068e50), ' ')
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _854982)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _871916)
   Exit: (215) [system] peek_char((0x55772f068e50), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x55772f068e50), _877486)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _879344)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] get_char((0x55772f068e50), _895354)
   Exit: (216) [system] get_char((0x55772f068e50), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x55772f068e50), _877486)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _900924)
   Exit: (218) [system] peek_char((0x55772f068e50), 'A')
   Call: (218) [system] 'A'=(;)
   Fail: (218) [system] 'A'=(;)
   Call: (218) [system] 'A'=(/)
   Fail: (218) [system] 'A'=(/)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Fail: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Fail: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Fail: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
   Fail: (219) [system] char_type('A', cntrl)
^  Fail: (218) [user] is_like_space('A')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _916934)
   Exit: (217) [system] peek_char((0x55772f068e50), 'A')
   Call: (217) [system] 'A'=')'
   Fail: (217) [system] 'A'=')'
   Call: (217) [system] 'A'=end_of_file
   Fail: (217) [system] 'A'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _922504)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _924362)
   Exit: (219) [system] peek_char((0x55772f068e50), 'A')
   Call: (219) [system] 'A'=(;)
   Fail: (219) [system] 'A'=(;)
   Call: (219) [system] 'A'=(/)
   Fail: (219) [system] 'A'=(/)
^  Call: (219) [user] is_like_space('A')
   Call: (220) [system] char_type('A', 'white')
   Fail: (220) [system] char_type('A', 'white')
   Call: (220) [system] char_type('A', end_of_line)
   Fail: (220) [system] char_type('A', end_of_line)
   Call: (220) [system] char_type('A', space)
   Fail: (220) [system] char_type('A', space)
   Call: (220) [system] char_type('A', cntrl)
   Fail: (220) [system] char_type('A', cntrl)
^  Fail: (219) [user] is_like_space('A')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _940372)
   Exit: (218) [system] get_char((0x55772f068e50), 'A')
   Call: (218) [system] 'A'='('
   Fail: (218) [system] 'A'='('
   Call: (218) [system] 'A'='['
   Fail: (218) [system] 'A'='['
   Call: (218) [system] 'A'='{'
   Fail: (218) [system] 'A'='{'
   Call: (218) [system] 'A'='"'
   Fail: (218) [system] 'A'='"'
   Call: (218) [system] 'A'=!
   Fail: (218) [system] 'A'=!
   Call: (218) [system] 'A'='\''
   Fail: (218) [system] 'A'='\''
   Call: (218) [system] 'A'='`'
   Fail: (218) [system] 'A'='`'
   Call: (218) [system] 'A'=end_of_file
   Fail: (218) [system] 'A'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x55772f068e50), 'A', _922504)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _958014)
   Call: (220) [system] peek_char((0x55772f068e50), _958948)
   Exit: (220) [system] peek_char((0x55772f068e50), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_963668, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_964600, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x55772f068e50), n)
   Exit: (220) [system] get_char((0x55772f068e50), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _971950)
   Call: (221) [system] peek_char((0x55772f068e50), _972884)
   Exit: (221) [system] peek_char((0x55772f068e50), d)
^  Call: (221) [user] is_delimiter(d)
   Call: (222) [system] char_type(d, space)
   Fail: (222) [system] char_type(d, space)
   Call: (222) [system] arg(_977604, v('(', ')', end_of_file), d)
   Fail: (222) [system] arg(_978536, v('(', ')', end_of_file), d)
^  Fail: (221) [user] is_delimiter(d)
   Call: (221) [system] ')'==d
   Fail: (221) [system] ')'==d
   Call: (221) [system] get_char((0x55772f068e50), d)
   Exit: (221) [system] get_char((0x55772f068e50), d)
   Call: (221) [system] d=(\)
   Fail: (221) [system] d=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _985886)
   Call: (222) [system] peek_char((0x55772f068e50), _986820)
   Exit: (222) [system] peek_char((0x55772f068e50), 'L')
^  Call: (222) [user] is_delimiter('L')
   Call: (223) [system] char_type('L', space)
   Fail: (223) [system] char_type('L', space)
   Call: (223) [system] arg(_991540, v('(', ')', end_of_file), 'L')
   Fail: (223) [system] arg(_992472, v('(', ')', end_of_file), 'L')
^  Fail: (222) [user] is_delimiter('L')
   Call: (222) [system] ')'=='L'
   Fail: (222) [system] ')'=='L'
   Call: (222) [system] get_char((0x55772f068e50), 'L')
   Exit: (222) [system] get_char((0x55772f068e50), 'L')
   Call: (222) [system] 'L'=(\)
   Fail: (222) [system] 'L'=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _999822)
   Call: (223) [system] peek_char((0x55772f068e50), _1000756)
   Exit: (223) [system] peek_char((0x55772f068e50), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_1005476, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_1006408, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x55772f068e50), i)
   Exit: (223) [system] get_char((0x55772f068e50), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1013758)
   Call: (224) [system] peek_char((0x55772f068e50), _1014692)
   Exit: (224) [system] peek_char((0x55772f068e50), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1019412, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1020344, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x55772f068e50), n)
   Exit: (224) [system] get_char((0x55772f068e50), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1027694)
   Call: (225) [system] peek_char((0x55772f068e50), _1028628)
   Exit: (225) [system] peek_char((0x55772f068e50), k)
^  Call: (225) [user] is_delimiter(k)
   Call: (226) [system] char_type(k, space)
   Fail: (226) [system] char_type(k, space)
   Call: (226) [system] arg(_1033348, v('(', ')', end_of_file), k)
   Fail: (226) [system] arg(_1034280, v('(', ')', end_of_file), k)
^  Fail: (225) [user] is_delimiter(k)
   Call: (225) [system] ')'==k
   Fail: (225) [system] ')'==k
   Call: (225) [system] get_char((0x55772f068e50), k)
   Exit: (225) [system] get_char((0x55772f068e50), k)
   Call: (225) [system] k=(\)
   Fail: (225) [system] k=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1041630)
   Call: (226) [system] peek_char((0x55772f068e50), _1042564)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1041630=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (225) [system] _1027694=[k]
   Exit: (225) [system] [k]=[k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (224) [system] _1013758=[n, k]
   Exit: (224) [system] [n, k]=[n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (223) [system] _999822=[i, n, k]
   Exit: (223) [system] [i, n, k]=[i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (222) [system] _985886=['L', i, n, k]
   Exit: (222) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (221) [system] _971950=[d, 'L', i, n, k]
   Exit: (221) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (220) [system] _958014=[n, d, 'L', i, n, k]
   Exit: (220) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (219) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _922504)
^  Call: (220) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1068612)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1069564, _1069566), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1068612), _1069546, fail)), '$restore_trace'(_1069564, _1069566))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1069564, _1069566))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1068612), _1069546, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_1068612)
   Fail: (221) [system] atomic(_1068612)
   Call: (221) [system] atom_chars(_1068612, ['A', n, d, 'L', i, n, k])
   Exit: (221) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (220) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (220) [system] integer('AndLink')
   Fail: (220) [system] integer('AndLink')
   Call: (220) [system] _922504='AndLink'
   Exit: (220) [system] 'AndLink'='AndLink'
^  Exit: (219) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (218) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (217) [user] read_list(')', (0x55772f068e50), _1083562)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1085420)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x55772f068e50), _1095014)
   Exit: (219) [system] get_char((0x55772f068e50), ' ')
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1097718)
   Exit: (220) [system] peek_char((0x55772f068e50), 'A')
   Call: (220) [system] 'A'=(;)
   Fail: (220) [system] 'A'=(;)
   Call: (220) [system] 'A'=(/)
   Fail: (220) [system] 'A'=(/)
^  Call: (220) [user] is_like_space('A')
   Call: (221) [system] char_type('A', 'white')
   Fail: (221) [system] char_type('A', 'white')
   Call: (221) [system] char_type('A', end_of_line)
   Fail: (221) [system] char_type('A', end_of_line)
   Call: (221) [system] char_type('A', space)
   Fail: (221) [system] char_type('A', space)
   Call: (221) [system] char_type('A', cntrl)
   Fail: (221) [system] char_type('A', cntrl)
^  Fail: (220) [user] is_like_space('A')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1114652)
   Exit: (218) [system] peek_char((0x55772f068e50), 'A')
   Call: (218) [system] 'A'=')'
   Fail: (218) [system] 'A'=')'
   Call: (218) [system] 'A'=end_of_file
   Fail: (218) [system] 'A'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _1120222)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1122080)
   Exit: (220) [system] peek_char((0x55772f068e50), 'A')
   Call: (220) [system] 'A'=(;)
   Fail: (220) [system] 'A'=(;)
   Call: (220) [system] 'A'=(/)
   Fail: (220) [system] 'A'=(/)
^  Call: (220) [user] is_like_space('A')
   Call: (221) [system] char_type('A', 'white')
   Fail: (221) [system] char_type('A', 'white')
   Call: (221) [system] char_type('A', end_of_line)
   Fail: (221) [system] char_type('A', end_of_line)
   Call: (221) [system] char_type('A', space)
   Fail: (221) [system] char_type('A', space)
   Call: (221) [system] char_type('A', cntrl)
   Fail: (221) [system] char_type('A', cntrl)
^  Fail: (220) [user] is_like_space('A')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _1138090)
   Exit: (219) [system] get_char((0x55772f068e50), 'A')
   Call: (219) [system] 'A'='('
   Fail: (219) [system] 'A'='('
   Call: (219) [system] 'A'='['
   Fail: (219) [system] 'A'='['
   Call: (219) [system] 'A'='{'
   Fail: (219) [system] 'A'='{'
   Call: (219) [system] 'A'='"'
   Fail: (219) [system] 'A'='"'
   Call: (219) [system] 'A'=!
   Fail: (219) [system] 'A'=!
   Call: (219) [system] 'A'='\''
   Fail: (219) [system] 'A'='\''
   Call: (219) [system] 'A'='`'
   Fail: (219) [system] 'A'='`'
   Call: (219) [system] 'A'=end_of_file
   Fail: (219) [system] 'A'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x55772f068e50), 'A', _1120222)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1155732)
   Call: (221) [system] peek_char((0x55772f068e50), _1156666)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _1155732=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (220) [user] classify_and_convert_charseq(['A'], _1120222)
^  Call: (221) [user] classify_and_convert_charseq_(['A'], _1165950)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_1166902, _1166904), once(user:catch(read_from_chars(['A'], _1165950), _1166884, fail)), '$restore_trace'(_1166902, _1166904))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_1166902, _1166904))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1165950), _1166884, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_1165950)
   Fail: (222) [system] atomic(_1165950)
   Call: (222) [system] atom_chars(_1165950, ['A'])
   Exit: (222) [system] atom_chars('A', ['A'])
^  Exit: (221) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (221) [system] integer('A')
   Fail: (221) [system] integer('A')
   Call: (221) [system] _1120222='A'
   Exit: (221) [system] 'A'='A'
^  Exit: (220) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (219) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (218) [user] read_list(')', (0x55772f068e50), _1180900)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1182758)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x55772f068e50), _1192352)
   Exit: (220) [system] get_char((0x55772f068e50), ' ')
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1195056)
   Exit: (221) [system] peek_char((0x55772f068e50), 'B')
   Call: (221) [system] 'B'=(;)
   Fail: (221) [system] 'B'=(;)
   Call: (221) [system] 'B'=(/)
   Fail: (221) [system] 'B'=(/)
^  Call: (221) [user] is_like_space('B')
   Call: (222) [system] char_type('B', 'white')
   Fail: (222) [system] char_type('B', 'white')
   Call: (222) [system] char_type('B', end_of_line)
   Fail: (222) [system] char_type('B', end_of_line)
   Call: (222) [system] char_type('B', space)
   Fail: (222) [system] char_type('B', space)
   Call: (222) [system] char_type('B', cntrl)
   Fail: (222) [system] char_type('B', cntrl)
^  Fail: (221) [user] is_like_space('B')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1211990)
   Exit: (219) [system] peek_char((0x55772f068e50), 'B')
   Call: (219) [system] 'B'=')'
   Fail: (219) [system] 'B'=')'
   Call: (219) [system] 'B'=end_of_file
   Fail: (219) [system] 'B'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _1217560)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1219418)
   Exit: (221) [system] peek_char((0x55772f068e50), 'B')
   Call: (221) [system] 'B'=(;)
   Fail: (221) [system] 'B'=(;)
   Call: (221) [system] 'B'=(/)
   Fail: (221) [system] 'B'=(/)
^  Call: (221) [user] is_like_space('B')
   Call: (222) [system] char_type('B', 'white')
   Fail: (222) [system] char_type('B', 'white')
   Call: (222) [system] char_type('B', end_of_line)
   Fail: (222) [system] char_type('B', end_of_line)
   Call: (222) [system] char_type('B', space)
   Fail: (222) [system] char_type('B', space)
   Call: (222) [system] char_type('B', cntrl)
   Fail: (222) [system] char_type('B', cntrl)
^  Fail: (221) [user] is_like_space('B')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _1235428)
   Exit: (220) [system] get_char((0x55772f068e50), 'B')
   Call: (220) [system] 'B'='('
   Fail: (220) [system] 'B'='('
   Call: (220) [system] 'B'='['
   Fail: (220) [system] 'B'='['
   Call: (220) [system] 'B'='{'
   Fail: (220) [system] 'B'='{'
   Call: (220) [system] 'B'='"'
   Fail: (220) [system] 'B'='"'
   Call: (220) [system] 'B'=!
   Fail: (220) [system] 'B'=!
   Call: (220) [system] 'B'='\''
   Fail: (220) [system] 'B'='\''
   Call: (220) [system] 'B'='`'
   Fail: (220) [system] 'B'='`'
   Call: (220) [system] 'B'=end_of_file
   Fail: (220) [system] 'B'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x55772f068e50), 'B', _1217560)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1253070)
   Call: (222) [system] peek_char((0x55772f068e50), _1254004)
   Exit: (222) [system] peek_char((0x55772f068e50), ')')
^  Call: (222) [user] is_delimiter(')')
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] arg(_1258724, v('(', ')', end_of_file), ')')
   Exit: (223) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (222) [user] is_delimiter(')')
   Call: (222) [system] _1253070=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (221) [user] classify_and_convert_charseq(['B'], _1217560)
^  Call: (222) [user] classify_and_convert_charseq_(['B'], _1265160)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1266112, _1266114), once(user:catch(read_from_chars(['B'], _1265160), _1266094, fail)), '$restore_trace'(_1266112, _1266114))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1266112, _1266114))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1265160), _1266094, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1265160)
   Fail: (223) [system] atomic(_1265160)
   Call: (223) [system] atom_chars(_1265160, ['B'])
   Exit: (223) [system] atom_chars('B', ['B'])
^  Exit: (222) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (222) [system] integer('B')
   Fail: (222) [system] integer('B')
   Call: (222) [system] _1217560='B'
   Exit: (222) [system] 'B'='B'
^  Exit: (221) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (220) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (219) [user] read_list(')', (0x55772f068e50), _1280110)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1281968)
   Exit: (221) [system] peek_char((0x55772f068e50), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
   Call: (221) [system] ')'=(/)
   Fail: (221) [system] ')'=(/)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1297978)
   Exit: (220) [system] peek_char((0x55772f068e50), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x55772f068e50), _1301768)
   Exit: (220) [system] get_char((0x55772f068e50), ')')
   Call: (220) [system] _1280110=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x55772f068e50), [])
   Call: (219) [system] _1180900=['B']
   Exit: (219) [system] ['B']=['B']
^  Exit: (218) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (218) [system] _1083562=['A', 'B']
   Exit: (218) [system] ['A', 'B']=['A', 'B']
^  Exit: (217) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (217) [system] _877486=['AndLink', 'A', 'B']
   Exit: (217) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (216) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (215) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (215) [user] read_list(')', (0x55772f068e50), _1315650)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1317508)
   Exit: (217) [system] peek_char((0x55772f068e50), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x55772f068e50), _1327102)
   Exit: (217) [system] get_char((0x55772f068e50), ' ')
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1329806)
   Exit: (218) [system] peek_char((0x55772f068e50), 'C')
   Call: (218) [system] 'C'=(;)
   Fail: (218) [system] 'C'=(;)
   Call: (218) [system] 'C'=(/)
   Fail: (218) [system] 'C'=(/)
^  Call: (218) [user] is_like_space('C')
   Call: (219) [system] char_type('C', 'white')
   Fail: (219) [system] char_type('C', 'white')
   Call: (219) [system] char_type('C', end_of_line)
   Fail: (219) [system] char_type('C', end_of_line)
   Call: (219) [system] char_type('C', space)
   Fail: (219) [system] char_type('C', space)
   Call: (219) [system] char_type('C', cntrl)
   Fail: (219) [system] char_type('C', cntrl)
^  Fail: (218) [user] is_like_space('C')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1346740)
   Exit: (216) [system] peek_char((0x55772f068e50), 'C')
   Call: (216) [system] 'C'=')'
   Fail: (216) [system] 'C'=')'
   Call: (216) [system] 'C'=end_of_file
   Fail: (216) [system] 'C'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x55772f068e50), _1352310)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1354168)
   Exit: (218) [system] peek_char((0x55772f068e50), 'C')
   Call: (218) [system] 'C'=(;)
   Fail: (218) [system] 'C'=(;)
   Call: (218) [system] 'C'=(/)
   Fail: (218) [system] 'C'=(/)
^  Call: (218) [user] is_like_space('C')
   Call: (219) [system] char_type('C', 'white')
   Fail: (219) [system] char_type('C', 'white')
   Call: (219) [system] char_type('C', end_of_line)
   Fail: (219) [system] char_type('C', end_of_line)
   Call: (219) [system] char_type('C', space)
   Fail: (219) [system] char_type('C', space)
   Call: (219) [system] char_type('C', cntrl)
   Fail: (219) [system] char_type('C', cntrl)
^  Fail: (218) [user] is_like_space('C')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] get_char((0x55772f068e50), _1370178)
   Exit: (217) [system] get_char((0x55772f068e50), 'C')
   Call: (217) [system] 'C'='('
   Fail: (217) [system] 'C'='('
   Call: (217) [system] 'C'='['
   Fail: (217) [system] 'C'='['
   Call: (217) [system] 'C'='{'
   Fail: (217) [system] 'C'='{'
   Call: (217) [system] 'C'='"'
   Fail: (217) [system] 'C'='"'
   Call: (217) [system] 'C'=!
   Fail: (217) [system] 'C'=!
   Call: (217) [system] 'C'='\''
   Fail: (217) [system] 'C'='\''
   Call: (217) [system] 'C'='`'
   Fail: (217) [system] 'C'='`'
   Call: (217) [system] 'C'=end_of_file
   Fail: (217) [system] 'C'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x55772f068e50), 'C', _1352310)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1387820)
   Call: (219) [system] peek_char((0x55772f068e50), _1388754)
   Exit: (219) [system] peek_char((0x55772f068e50), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_1393474, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _1387820=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (218) [user] classify_and_convert_charseq(['C'], _1352310)
^  Call: (219) [user] classify_and_convert_charseq_(['C'], _1399910)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1400862, _1400864), once(user:catch(read_from_chars(['C'], _1399910), _1400844, fail)), '$restore_trace'(_1400862, _1400864))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1400862, _1400864))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1399910), _1400844, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1399910)
   Fail: (220) [system] atomic(_1399910)
   Call: (220) [system] atom_chars(_1399910, ['C'])
   Exit: (220) [system] atom_chars('C', ['C'])
^  Exit: (219) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (219) [system] integer('C')
   Fail: (219) [system] integer('C')
   Call: (219) [system] _1352310='C'
   Exit: (219) [system] 'C'='C'
^  Exit: (218) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (217) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (216) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (216) [user] read_list(')', (0x55772f068e50), _1414860)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1416718)
   Exit: (218) [system] peek_char((0x55772f068e50), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
   Call: (218) [system] ')'=(/)
   Fail: (218) [system] ')'=(/)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1432728)
   Exit: (217) [system] peek_char((0x55772f068e50), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x55772f068e50), _1436518)
   Exit: (217) [system] get_char((0x55772f068e50), ')')
   Call: (217) [system] _1414860=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x55772f068e50), [])
   Call: (216) [system] _1315650=['C']
   Exit: (216) [system] ['C']=['C']
^  Exit: (215) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (215) [system] _840826=[['AndLink', 'A', 'B'], 'C']
   Exit: (215) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (214) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (214) [system] _567830=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (214) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (213) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (212) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (212) [user] read_list(')', (0x55772f068e50), _1450400)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1452258)
   Exit: (214) [system] peek_char((0x55772f068e50), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x55772f068e50), _1461852)
   Exit: (214) [system] get_char((0x55772f068e50), ' ')
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1464556)
   Exit: (215) [system] peek_char((0x55772f068e50), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1481490)
   Exit: (213) [system] peek_char((0x55772f068e50), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _1487060)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1488918)
   Exit: (215) [system] peek_char((0x55772f068e50), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _1504928)
   Exit: (214) [system] get_char((0x55772f068e50), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x55772f068e50), _1487060)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1510498)
   Exit: (216) [system] peek_char((0x55772f068e50), 'O')
   Call: (216) [system] 'O'=(;)
   Fail: (216) [system] 'O'=(;)
   Call: (216) [system] 'O'=(/)
   Fail: (216) [system] 'O'=(/)
^  Call: (216) [user] is_like_space('O')
   Call: (217) [system] char_type('O', 'white')
   Fail: (217) [system] char_type('O', 'white')
   Call: (217) [system] char_type('O', end_of_line)
   Fail: (217) [system] char_type('O', end_of_line)
   Call: (217) [system] char_type('O', space)
   Fail: (217) [system] char_type('O', space)
   Call: (217) [system] char_type('O', cntrl)
   Fail: (217) [system] char_type('O', cntrl)
^  Fail: (216) [user] is_like_space('O')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1526508)
   Exit: (215) [system] peek_char((0x55772f068e50), 'O')
   Call: (215) [system] 'O'=')'
   Fail: (215) [system] 'O'=')'
   Call: (215) [system] 'O'=end_of_file
   Fail: (215) [system] 'O'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x55772f068e50), _1532078)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1533936)
   Exit: (217) [system] peek_char((0x55772f068e50), 'O')
   Call: (217) [system] 'O'=(;)
   Fail: (217) [system] 'O'=(;)
   Call: (217) [system] 'O'=(/)
   Fail: (217) [system] 'O'=(/)
^  Call: (217) [user] is_like_space('O')
   Call: (218) [system] char_type('O', 'white')
   Fail: (218) [system] char_type('O', 'white')
   Call: (218) [system] char_type('O', end_of_line)
   Fail: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] char_type('O', space)
   Fail: (218) [system] char_type('O', space)
   Call: (218) [system] char_type('O', cntrl)
   Fail: (218) [system] char_type('O', cntrl)
^  Fail: (217) [user] is_like_space('O')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] get_char((0x55772f068e50), _1549946)
   Exit: (216) [system] get_char((0x55772f068e50), 'O')
   Call: (216) [system] 'O'='('
   Fail: (216) [system] 'O'='('
   Call: (216) [system] 'O'='['
   Fail: (216) [system] 'O'='['
   Call: (216) [system] 'O'='{'
   Fail: (216) [system] 'O'='{'
   Call: (216) [system] 'O'='"'
   Fail: (216) [system] 'O'='"'
   Call: (216) [system] 'O'=!
   Fail: (216) [system] 'O'=!
   Call: (216) [system] 'O'='\''
   Fail: (216) [system] 'O'='\''
   Call: (216) [system] 'O'='`'
   Fail: (216) [system] 'O'='`'
   Call: (216) [system] 'O'=end_of_file
   Fail: (216) [system] 'O'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x55772f068e50), 'O', _1532078)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1567588)
   Call: (218) [system] peek_char((0x55772f068e50), _1568522)
   Exit: (218) [system] peek_char((0x55772f068e50), r)
^  Call: (218) [user] is_delimiter(r)
   Call: (219) [system] char_type(r, space)
   Fail: (219) [system] char_type(r, space)
   Call: (219) [system] arg(_1573242, v('(', ')', end_of_file), r)
   Fail: (219) [system] arg(_1574174, v('(', ')', end_of_file), r)
^  Fail: (218) [user] is_delimiter(r)
   Call: (218) [system] ')'==r
   Fail: (218) [system] ')'==r
   Call: (218) [system] get_char((0x55772f068e50), r)
   Exit: (218) [system] get_char((0x55772f068e50), r)
   Call: (218) [system] r=(\)
   Fail: (218) [system] r=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1581524)
   Call: (219) [system] peek_char((0x55772f068e50), _1582458)
   Exit: (219) [system] peek_char((0x55772f068e50), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Fail: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_1587178, v('(', ')', end_of_file), 'L')
   Fail: (220) [system] arg(_1588110, v('(', ')', end_of_file), 'L')
^  Fail: (219) [user] is_delimiter('L')
   Call: (219) [system] ')'=='L'
   Fail: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x55772f068e50), 'L')
   Exit: (219) [system] get_char((0x55772f068e50), 'L')
   Call: (219) [system] 'L'=(\)
   Fail: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1595460)
   Call: (220) [system] peek_char((0x55772f068e50), _1596394)
   Exit: (220) [system] peek_char((0x55772f068e50), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1601114, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1602046, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x55772f068e50), i)
   Exit: (220) [system] get_char((0x55772f068e50), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1609396)
   Call: (221) [system] peek_char((0x55772f068e50), _1610330)
   Exit: (221) [system] peek_char((0x55772f068e50), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1615050, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1615982, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x55772f068e50), n)
   Exit: (221) [system] get_char((0x55772f068e50), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1623332)
   Call: (222) [system] peek_char((0x55772f068e50), _1624266)
   Exit: (222) [system] peek_char((0x55772f068e50), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Fail: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_1628986, v('(', ')', end_of_file), k)
   Fail: (223) [system] arg(_1629918, v('(', ')', end_of_file), k)
^  Fail: (222) [user] is_delimiter(k)
   Call: (222) [system] ')'==k
   Fail: (222) [system] ')'==k
   Call: (222) [system] get_char((0x55772f068e50), k)
   Exit: (222) [system] get_char((0x55772f068e50), k)
   Call: (222) [system] k=(\)
   Fail: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1637268)
   Call: (223) [system] peek_char((0x55772f068e50), _1638202)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1637268=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (222) [system] _1623332=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (221) [system] _1609396=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (220) [system] _1595460=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (219) [system] _1581524=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (218) [system] _1567588=[r, 'L', i, n, k]
   Exit: (218) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (217) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1532078)
^  Call: (218) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1661456)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1662408, _1662410), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1661456), _1662390, fail)), '$restore_trace'(_1662408, _1662410))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1662408, _1662410))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1661456), _1662390, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1661456)
   Fail: (219) [system] atomic(_1661456)
   Call: (219) [system] atom_chars(_1661456, ['O', r, 'L', i, n, k])
   Exit: (219) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (218) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (218) [system] integer('OrLink')
   Fail: (218) [system] integer('OrLink')
   Call: (218) [system] _1532078='OrLink'
   Exit: (218) [system] 'OrLink'='OrLink'
^  Exit: (217) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (216) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (215) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (215) [user] read_list(')', (0x55772f068e50), _1676406)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1678264)
   Exit: (217) [system] peek_char((0x55772f068e50), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x55772f068e50), _1687858)
   Exit: (217) [system] get_char((0x55772f068e50), ' ')
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1690562)
   Exit: (218) [system] peek_char((0x55772f068e50), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1707496)
   Exit: (216) [system] peek_char((0x55772f068e50), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x55772f068e50), _1713066)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1714924)
   Exit: (218) [system] peek_char((0x55772f068e50), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] get_char((0x55772f068e50), _1730934)
   Exit: (217) [system] get_char((0x55772f068e50), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x55772f068e50), _1713066)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1736504)
   Exit: (219) [system] peek_char((0x55772f068e50), 'I')
   Call: (219) [system] 'I'=(;)
   Fail: (219) [system] 'I'=(;)
   Call: (219) [system] 'I'=(/)
   Fail: (219) [system] 'I'=(/)
^  Call: (219) [user] is_like_space('I')
   Call: (220) [system] char_type('I', 'white')
   Fail: (220) [system] char_type('I', 'white')
   Call: (220) [system] char_type('I', end_of_line)
   Fail: (220) [system] char_type('I', end_of_line)
   Call: (220) [system] char_type('I', space)
   Fail: (220) [system] char_type('I', space)
   Call: (220) [system] char_type('I', cntrl)
   Fail: (220) [system] char_type('I', cntrl)
^  Fail: (219) [user] is_like_space('I')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1752514)
   Exit: (218) [system] peek_char((0x55772f068e50), 'I')
   Call: (218) [system] 'I'=')'
   Fail: (218) [system] 'I'=')'
   Call: (218) [system] 'I'=end_of_file
   Fail: (218) [system] 'I'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _1758084)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1759942)
   Exit: (220) [system] peek_char((0x55772f068e50), 'I')
   Call: (220) [system] 'I'=(;)
   Fail: (220) [system] 'I'=(;)
   Call: (220) [system] 'I'=(/)
   Fail: (220) [system] 'I'=(/)
^  Call: (220) [user] is_like_space('I')
   Call: (221) [system] char_type('I', 'white')
   Fail: (221) [system] char_type('I', 'white')
   Call: (221) [system] char_type('I', end_of_line)
   Fail: (221) [system] char_type('I', end_of_line)
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] char_type('I', cntrl)
   Fail: (221) [system] char_type('I', cntrl)
^  Fail: (220) [user] is_like_space('I')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _1775952)
   Exit: (219) [system] get_char((0x55772f068e50), 'I')
   Call: (219) [system] 'I'='('
   Fail: (219) [system] 'I'='('
   Call: (219) [system] 'I'='['
   Fail: (219) [system] 'I'='['
   Call: (219) [system] 'I'='{'
   Fail: (219) [system] 'I'='{'
   Call: (219) [system] 'I'='"'
   Fail: (219) [system] 'I'='"'
   Call: (219) [system] 'I'=!
   Fail: (219) [system] 'I'=!
   Call: (219) [system] 'I'='\''
   Fail: (219) [system] 'I'='\''
   Call: (219) [system] 'I'='`'
   Fail: (219) [system] 'I'='`'
   Call: (219) [system] 'I'=end_of_file
   Fail: (219) [system] 'I'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x55772f068e50), 'I', _1758084)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1793594)
   Call: (221) [system] peek_char((0x55772f068e50), _1794528)
   Exit: (221) [system] peek_char((0x55772f068e50), m)
^  Call: (221) [user] is_delimiter(m)
   Call: (222) [system] char_type(m, space)
   Fail: (222) [system] char_type(m, space)
   Call: (222) [system] arg(_1799248, v('(', ')', end_of_file), m)
   Fail: (222) [system] arg(_1800180, v('(', ')', end_of_file), m)
^  Fail: (221) [user] is_delimiter(m)
   Call: (221) [system] ')'==m
   Fail: (221) [system] ')'==m
   Call: (221) [system] get_char((0x55772f068e50), m)
   Exit: (221) [system] get_char((0x55772f068e50), m)
   Call: (221) [system] m=(\)
   Fail: (221) [system] m=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1807530)
   Call: (222) [system] peek_char((0x55772f068e50), _1808464)
   Exit: (222) [system] peek_char((0x55772f068e50), p)
^  Call: (222) [user] is_delimiter(p)
   Call: (223) [system] char_type(p, space)
   Fail: (223) [system] char_type(p, space)
   Call: (223) [system] arg(_1813184, v('(', ')', end_of_file), p)
   Fail: (223) [system] arg(_1814116, v('(', ')', end_of_file), p)
^  Fail: (222) [user] is_delimiter(p)
   Call: (222) [system] ')'==p
   Fail: (222) [system] ')'==p
   Call: (222) [system] get_char((0x55772f068e50), p)
   Exit: (222) [system] get_char((0x55772f068e50), p)
   Call: (222) [system] p=(\)
   Fail: (222) [system] p=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1821466)
   Call: (223) [system] peek_char((0x55772f068e50), _1822400)
   Exit: (223) [system] peek_char((0x55772f068e50), l)
^  Call: (223) [user] is_delimiter(l)
   Call: (224) [system] char_type(l, space)
   Fail: (224) [system] char_type(l, space)
   Call: (224) [system] arg(_1827120, v('(', ')', end_of_file), l)
   Fail: (224) [system] arg(_1828052, v('(', ')', end_of_file), l)
^  Fail: (223) [user] is_delimiter(l)
   Call: (223) [system] ')'==l
   Fail: (223) [system] ')'==l
   Call: (223) [system] get_char((0x55772f068e50), l)
   Exit: (223) [system] get_char((0x55772f068e50), l)
   Call: (223) [system] l=(\)
   Fail: (223) [system] l=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1835402)
   Call: (224) [system] peek_char((0x55772f068e50), _1836336)
   Exit: (224) [system] peek_char((0x55772f068e50), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_1841056, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_1841988, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x55772f068e50), i)
   Exit: (224) [system] get_char((0x55772f068e50), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1849338)
   Call: (225) [system] peek_char((0x55772f068e50), _1850272)
   Exit: (225) [system] peek_char((0x55772f068e50), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Fail: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_1854992, v('(', ')', end_of_file), c)
   Fail: (226) [system] arg(_1855924, v('(', ')', end_of_file), c)
^  Fail: (225) [user] is_delimiter(c)
   Call: (225) [system] ')'==c
   Fail: (225) [system] ')'==c
   Call: (225) [system] get_char((0x55772f068e50), c)
   Exit: (225) [system] get_char((0x55772f068e50), c)
   Call: (225) [system] c=(\)
   Fail: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1863274)
   Call: (226) [system] peek_char((0x55772f068e50), _1864208)
   Exit: (226) [system] peek_char((0x55772f068e50), a)
^  Call: (226) [user] is_delimiter(a)
   Call: (227) [system] char_type(a, space)
   Fail: (227) [system] char_type(a, space)
   Call: (227) [system] arg(_1868928, v('(', ')', end_of_file), a)
   Fail: (227) [system] arg(_1869860, v('(', ')', end_of_file), a)
^  Fail: (226) [user] is_delimiter(a)
   Call: (226) [system] ')'==a
   Fail: (226) [system] ')'==a
   Call: (226) [system] get_char((0x55772f068e50), a)
   Exit: (226) [system] get_char((0x55772f068e50), a)
   Call: (226) [system] a=(\)
   Fail: (226) [system] a=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1877210)
   Call: (227) [system] peek_char((0x55772f068e50), _1878144)
   Exit: (227) [system] peek_char((0x55772f068e50), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_1882864, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_1883796, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x55772f068e50), t)
   Exit: (227) [system] get_char((0x55772f068e50), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1891146)
   Call: (228) [system] peek_char((0x55772f068e50), _1892080)
   Exit: (228) [system] peek_char((0x55772f068e50), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1896800, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_1897732, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x55772f068e50), i)
   Exit: (228) [system] get_char((0x55772f068e50), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1905082)
   Call: (229) [system] peek_char((0x55772f068e50), _1906016)
   Exit: (229) [system] peek_char((0x55772f068e50), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_1910736, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_1911668, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x55772f068e50), o)
   Exit: (229) [system] get_char((0x55772f068e50), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1919018)
   Call: (230) [system] peek_char((0x55772f068e50), _1919952)
   Exit: (230) [system] peek_char((0x55772f068e50), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1924672, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1925604, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x55772f068e50), n)
   Exit: (230) [system] get_char((0x55772f068e50), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1932954)
   Call: (231) [system] peek_char((0x55772f068e50), _1933888)
   Exit: (231) [system] peek_char((0x55772f068e50), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1932954=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (230) [system] _1919018=[n]
   Exit: (230) [system] [n]=[n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (229) [system] _1905082=[o, n]
   Exit: (229) [system] [o, n]=[o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (228) [system] _1891146=[i, o, n]
   Exit: (228) [system] [i, o, n]=[i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (227) [system] _1877210=[t, i, o, n]
   Exit: (227) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (226) [system] _1863274=[a, t, i, o, n]
   Exit: (226) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (225) [system] _1849338=[c, a, t, i, o, n]
   Exit: (225) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (224) [system] _1835402=[i, c, a, t, i, o, n]
   Exit: (224) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (223) [system] _1821466=[l, i, c, a, t, i, o, n]
   Exit: (223) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (222) [system] _1807530=[p, l, i, c, a, t, i, o, n]
   Exit: (222) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (221) [system] _1793594=[m, p, l, i, c, a, t, i, o, n]
   Exit: (221) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (220) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1758084)
^  Call: (221) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1971112)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_1972064, _1972066), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1971112), _1972046, fail)), '$restore_trace'(_1972064, _1972066))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_1972064, _1972066))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1971112), _1972046, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_1971112)
   Fail: (222) [system] atomic(_1971112)
   Call: (222) [system] atom_chars(_1971112, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (222) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (221) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (221) [system] integer('Implication')
   Fail: (221) [system] integer('Implication')
   Call: (221) [system] _1758084='Implication'
   Exit: (221) [system] 'Implication'='Implication'
^  Exit: (220) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (219) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (218) [user] read_list(')', (0x55772f068e50), _1986062)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1987920)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x55772f068e50), _1997514)
   Exit: (220) [system] get_char((0x55772f068e50), ' ')
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _2000218)
   Exit: (221) [system] peek_char((0x55772f068e50), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _2017152)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _2022722)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _2024580)
   Exit: (221) [system] peek_char((0x55772f068e50), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _2040590)
   Exit: (220) [system] get_char((0x55772f068e50), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x55772f068e50), _2022722)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _2046160)
   Exit: (222) [system] peek_char((0x55772f068e50), 'A')
   Call: (222) [system] 'A'=(;)
   Fail: (222) [system] 'A'=(;)
   Call: (222) [system] 'A'=(/)
   Fail: (222) [system] 'A'=(/)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Fail: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Fail: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Fail: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
   Fail: (223) [system] char_type('A', cntrl)
^  Fail: (222) [user] is_like_space('A')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _2062170)
   Exit: (221) [system] peek_char((0x55772f068e50), 'A')
   Call: (221) [system] 'A'=')'
   Fail: (221) [system] 'A'=')'
   Call: (221) [system] 'A'=end_of_file
   Fail: (221) [system] 'A'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _2067740)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _2069598)
   Exit: (223) [system] peek_char((0x55772f068e50), 'A')
   Call: (223) [system] 'A'=(;)
   Fail: (223) [system] 'A'=(;)
   Call: (223) [system] 'A'=(/)
   Fail: (223) [system] 'A'=(/)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Fail: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Fail: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Fail: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
   Fail: (224) [system] char_type('A', cntrl)
^  Fail: (223) [user] is_like_space('A')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _2085608)
   Exit: (222) [system] get_char((0x55772f068e50), 'A')
   Call: (222) [system] 'A'='('
   Fail: (222) [system] 'A'='('
   Call: (222) [system] 'A'='['
   Fail: (222) [system] 'A'='['
   Call: (222) [system] 'A'='{'
   Fail: (222) [system] 'A'='{'
   Call: (222) [system] 'A'='"'
   Fail: (222) [system] 'A'='"'
   Call: (222) [system] 'A'=!
   Fail: (222) [system] 'A'=!
   Call: (222) [system] 'A'='\''
   Fail: (222) [system] 'A'='\''
   Call: (222) [system] 'A'='`'
   Fail: (222) [system] 'A'='`'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x55772f068e50), 'A', _4622)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _11000)
   Call: (224) [system] peek_char((0x55772f068e50), _11934)
   Exit: (224) [system] peek_char((0x55772f068e50), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_16654, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_17586, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x55772f068e50), n)
   Exit: (224) [system] get_char((0x55772f068e50), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _24936)
   Call: (225) [system] peek_char((0x55772f068e50), _25870)
   Exit: (225) [system] peek_char((0x55772f068e50), d)
^  Call: (225) [user] is_delimiter(d)
   Call: (226) [system] char_type(d, space)
   Fail: (226) [system] char_type(d, space)
   Call: (226) [system] arg(_30590, v('(', ')', end_of_file), d)
   Fail: (226) [system] arg(_31522, v('(', ')', end_of_file), d)
^  Fail: (225) [user] is_delimiter(d)
   Call: (225) [system] ')'==d
   Fail: (225) [system] ')'==d
   Call: (225) [system] get_char((0x55772f068e50), d)
   Exit: (225) [system] get_char((0x55772f068e50), d)
   Call: (225) [system] d=(\)
   Fail: (225) [system] d=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _38872)
   Call: (226) [system] peek_char((0x55772f068e50), _39806)
   Exit: (226) [system] peek_char((0x55772f068e50), 'L')
^  Call: (226) [user] is_delimiter('L')
   Call: (227) [system] char_type('L', space)
   Fail: (227) [system] char_type('L', space)
   Call: (227) [system] arg(_44526, v('(', ')', end_of_file), 'L')
   Fail: (227) [system] arg(_45458, v('(', ')', end_of_file), 'L')
^  Fail: (226) [user] is_delimiter('L')
   Call: (226) [system] ')'=='L'
   Fail: (226) [system] ')'=='L'
   Call: (226) [system] get_char((0x55772f068e50), 'L')
   Exit: (226) [system] get_char((0x55772f068e50), 'L')
   Call: (226) [system] 'L'=(\)
   Fail: (226) [system] 'L'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _52808)
   Call: (227) [system] peek_char((0x55772f068e50), _53742)
   Exit: (227) [system] peek_char((0x55772f068e50), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_58462, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_59394, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x55772f068e50), i)
   Exit: (227) [system] get_char((0x55772f068e50), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _66744)
   Call: (228) [system] peek_char((0x55772f068e50), _67678)
   Exit: (228) [system] peek_char((0x55772f068e50), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_72398, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_73330, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x55772f068e50), n)
   Exit: (228) [system] get_char((0x55772f068e50), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _80680)
   Call: (229) [system] peek_char((0x55772f068e50), _81614)
   Exit: (229) [system] peek_char((0x55772f068e50), k)
^  Call: (229) [user] is_delimiter(k)
   Call: (230) [system] char_type(k, space)
   Fail: (230) [system] char_type(k, space)
   Call: (230) [system] arg(_86334, v('(', ')', end_of_file), k)
   Fail: (230) [system] arg(_87266, v('(', ')', end_of_file), k)
^  Fail: (229) [user] is_delimiter(k)
   Call: (229) [system] ')'==k
   Fail: (229) [system] ')'==k
   Call: (229) [system] get_char((0x55772f068e50), k)
   Exit: (229) [system] get_char((0x55772f068e50), k)
   Call: (229) [system] k=(\)
   Fail: (229) [system] k=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _94616)
   Call: (230) [system] peek_char((0x55772f068e50), _95550)
   Exit: (230) [system] peek_char((0x55772f068e50), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _94616=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (229) [system] _80680=[k]
   Exit: (229) [system] [k]=[k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (228) [system] _66744=[n, k]
   Exit: (228) [system] [n, k]=[n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (227) [system] _52808=[i, n, k]
   Exit: (227) [system] [i, n, k]=[i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (226) [system] _38872=['L', i, n, k]
   Exit: (226) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (225) [system] _24936=[d, 'L', i, n, k]
   Exit: (225) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (224) [system] _11000=[n, d, 'L', i, n, k]
   Exit: (224) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (223) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _4622)
^  Call: (224) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _121598)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_122550, _122552), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _121598), _122532, fail)), '$restore_trace'(_122550, _122552))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_122550, _122552))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _121598), _122532, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_121598)
   Fail: (225) [system] atomic(_121598)
   Call: (225) [system] atom_chars(_121598, ['A', n, d, 'L', i, n, k])
   Exit: (225) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (224) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (224) [system] integer('AndLink')
   Fail: (224) [system] integer('AndLink')
   Call: (224) [system] _4622='AndLink'
   Exit: (224) [system] 'AndLink'='AndLink'
^  Exit: (223) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (222) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (221) [user] read_list(')', (0x55772f068e50), _136548)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _138406)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x55772f068e50), _148000)
   Exit: (223) [system] get_char((0x55772f068e50), ' ')
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _150704)
   Exit: (224) [system] peek_char((0x55772f068e50), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
   Call: (224) [system] 'A'=(/)
   Fail: (224) [system] 'A'=(/)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _167638)
   Exit: (222) [system] peek_char((0x55772f068e50), 'A')
   Call: (222) [system] 'A'=')'
   Fail: (222) [system] 'A'=')'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _173208)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _175066)
   Exit: (224) [system] peek_char((0x55772f068e50), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
   Call: (224) [system] 'A'=(/)
   Fail: (224) [system] 'A'=(/)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _191076)
   Exit: (223) [system] get_char((0x55772f068e50), 'A')
   Call: (223) [system] 'A'='('
   Fail: (223) [system] 'A'='('
   Call: (223) [system] 'A'='['
   Fail: (223) [system] 'A'='['
   Call: (223) [system] 'A'='{'
   Fail: (223) [system] 'A'='{'
   Call: (223) [system] 'A'='"'
   Fail: (223) [system] 'A'='"'
   Call: (223) [system] 'A'=!
   Fail: (223) [system] 'A'=!
   Call: (223) [system] 'A'='\''
   Fail: (223) [system] 'A'='\''
   Call: (223) [system] 'A'='`'
   Fail: (223) [system] 'A'='`'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x55772f068e50), 'A', _173208)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _208718)
   Call: (225) [system] peek_char((0x55772f068e50), _209652)
   Exit: (225) [system] peek_char((0x55772f068e50), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _208718=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (224) [user] classify_and_convert_charseq(['A'], _173208)
^  Call: (225) [user] classify_and_convert_charseq_(['A'], _218936)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_219888, _219890), once(user:catch(read_from_chars(['A'], _218936), _219870, fail)), '$restore_trace'(_219888, _219890))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_219888, _219890))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _218936), _219870, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_218936)
   Fail: (226) [system] atomic(_218936)
   Call: (226) [system] atom_chars(_218936, ['A'])
   Exit: (226) [system] atom_chars('A', ['A'])
^  Exit: (225) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (225) [system] integer('A')
   Fail: (225) [system] integer('A')
   Call: (225) [system] _173208='A'
   Exit: (225) [system] 'A'='A'
^  Exit: (224) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (223) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (222) [user] read_list(')', (0x55772f068e50), _233886)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _235744)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x55772f068e50), _245338)
   Exit: (224) [system] get_char((0x55772f068e50), ' ')
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _248042)
   Exit: (225) [system] peek_char((0x55772f068e50), 'B')
   Call: (225) [system] 'B'=(;)
   Fail: (225) [system] 'B'=(;)
   Call: (225) [system] 'B'=(/)
   Fail: (225) [system] 'B'=(/)
^  Call: (225) [user] is_like_space('B')
   Call: (226) [system] char_type('B', 'white')
   Fail: (226) [system] char_type('B', 'white')
   Call: (226) [system] char_type('B', end_of_line)
   Fail: (226) [system] char_type('B', end_of_line)
   Call: (226) [system] char_type('B', space)
   Fail: (226) [system] char_type('B', space)
   Call: (226) [system] char_type('B', cntrl)
   Fail: (226) [system] char_type('B', cntrl)
^  Fail: (225) [user] is_like_space('B')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _264976)
   Exit: (223) [system] peek_char((0x55772f068e50), 'B')
   Call: (223) [system] 'B'=')'
   Fail: (223) [system] 'B'=')'
   Call: (223) [system] 'B'=end_of_file
   Fail: (223) [system] 'B'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x55772f068e50), _270546)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _272404)
   Exit: (225) [system] peek_char((0x55772f068e50), 'B')
   Call: (225) [system] 'B'=(;)
   Fail: (225) [system] 'B'=(;)
   Call: (225) [system] 'B'=(/)
   Fail: (225) [system] 'B'=(/)
^  Call: (225) [user] is_like_space('B')
   Call: (226) [system] char_type('B', 'white')
   Fail: (226) [system] char_type('B', 'white')
   Call: (226) [system] char_type('B', end_of_line)
   Fail: (226) [system] char_type('B', end_of_line)
   Call: (226) [system] char_type('B', space)
   Fail: (226) [system] char_type('B', space)
   Call: (226) [system] char_type('B', cntrl)
   Fail: (226) [system] char_type('B', cntrl)
^  Fail: (225) [user] is_like_space('B')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] get_char((0x55772f068e50), _288414)
   Exit: (224) [system] get_char((0x55772f068e50), 'B')
   Call: (224) [system] 'B'='('
   Fail: (224) [system] 'B'='('
   Call: (224) [system] 'B'='['
   Fail: (224) [system] 'B'='['
   Call: (224) [system] 'B'='{'
   Fail: (224) [system] 'B'='{'
   Call: (224) [system] 'B'='"'
   Fail: (224) [system] 'B'='"'
   Call: (224) [system] 'B'=!
   Fail: (224) [system] 'B'=!
   Call: (224) [system] 'B'='\''
   Fail: (224) [system] 'B'='\''
   Call: (224) [system] 'B'='`'
   Fail: (224) [system] 'B'='`'
   Call: (224) [system] 'B'=end_of_file
   Fail: (224) [system] 'B'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x55772f068e50), 'B', _270546)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _306056)
   Call: (226) [system] peek_char((0x55772f068e50), _306990)
   Exit: (226) [system] peek_char((0x55772f068e50), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_311710, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _306056=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (225) [user] classify_and_convert_charseq(['B'], _270546)
^  Call: (226) [user] classify_and_convert_charseq_(['B'], _318146)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_319098, _319100), once(user:catch(read_from_chars(['B'], _318146), _319080, fail)), '$restore_trace'(_319098, _319100))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_319098, _319100))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _318146), _319080, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_318146)
   Fail: (227) [system] atomic(_318146)
   Call: (227) [system] atom_chars(_318146, ['B'])
   Exit: (227) [system] atom_chars('B', ['B'])
^  Exit: (226) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (226) [system] integer('B')
   Fail: (226) [system] integer('B')
   Call: (226) [system] _270546='B'
   Exit: (226) [system] 'B'='B'
^  Exit: (225) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (224) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (223) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (223) [user] read_list(')', (0x55772f068e50), _333096)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _334954)
   Exit: (225) [system] peek_char((0x55772f068e50), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
   Call: (225) [system] ')'=(/)
   Fail: (225) [system] ')'=(/)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _350964)
   Exit: (224) [system] peek_char((0x55772f068e50), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x55772f068e50), _354754)
   Exit: (224) [system] get_char((0x55772f068e50), ')')
   Call: (224) [system] _333096=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x55772f068e50), [])
   Call: (223) [system] _233886=['B']
   Exit: (223) [system] ['B']=['B']
^  Exit: (222) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (222) [system] _136548=['A', 'B']
   Exit: (222) [system] ['A', 'B']=['A', 'B']
^  Exit: (221) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (221) [system] _4616=['AndLink', 'A', 'B']
   Exit: (221) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (220) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (219) [user] read_list(')', (0x55772f068e50), _368636)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _370494)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x55772f068e50), _380088)
   Exit: (221) [system] get_char((0x55772f068e50), ' ')
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _382792)
   Exit: (222) [system] peek_char((0x55772f068e50), 'C')
   Call: (222) [system] 'C'=(;)
   Fail: (222) [system] 'C'=(;)
   Call: (222) [system] 'C'=(/)
   Fail: (222) [system] 'C'=(/)
^  Call: (222) [user] is_like_space('C')
   Call: (223) [system] char_type('C', 'white')
   Fail: (223) [system] char_type('C', 'white')
   Call: (223) [system] char_type('C', end_of_line)
   Fail: (223) [system] char_type('C', end_of_line)
   Call: (223) [system] char_type('C', space)
   Fail: (223) [system] char_type('C', space)
   Call: (223) [system] char_type('C', cntrl)
   Fail: (223) [system] char_type('C', cntrl)
^  Fail: (222) [user] is_like_space('C')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _399726)
   Exit: (220) [system] peek_char((0x55772f068e50), 'C')
   Call: (220) [system] 'C'=')'
   Fail: (220) [system] 'C'=')'
   Call: (220) [system] 'C'=end_of_file
   Fail: (220) [system] 'C'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _405296)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _407154)
   Exit: (222) [system] peek_char((0x55772f068e50), 'C')
   Call: (222) [system] 'C'=(;)
   Fail: (222) [system] 'C'=(;)
   Call: (222) [system] 'C'=(/)
   Fail: (222) [system] 'C'=(/)
^  Call: (222) [user] is_like_space('C')
   Call: (223) [system] char_type('C', 'white')
   Fail: (223) [system] char_type('C', 'white')
   Call: (223) [system] char_type('C', end_of_line)
   Fail: (223) [system] char_type('C', end_of_line)
   Call: (223) [system] char_type('C', space)
   Fail: (223) [system] char_type('C', space)
   Call: (223) [system] char_type('C', cntrl)
   Fail: (223) [system] char_type('C', cntrl)
^  Fail: (222) [user] is_like_space('C')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _423164)
   Exit: (221) [system] get_char((0x55772f068e50), 'C')
   Call: (221) [system] 'C'='('
   Fail: (221) [system] 'C'='('
   Call: (221) [system] 'C'='['
   Fail: (221) [system] 'C'='['
   Call: (221) [system] 'C'='{'
   Fail: (221) [system] 'C'='{'
   Call: (221) [system] 'C'='"'
   Fail: (221) [system] 'C'='"'
   Call: (221) [system] 'C'=!
   Fail: (221) [system] 'C'=!
   Call: (221) [system] 'C'='\''
   Fail: (221) [system] 'C'='\''
   Call: (221) [system] 'C'='`'
   Fail: (221) [system] 'C'='`'
   Call: (221) [system] 'C'=end_of_file
   Fail: (221) [system] 'C'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x55772f068e50), 'C', _405296)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _440806)
   Call: (223) [system] peek_char((0x55772f068e50), _441740)
   Exit: (223) [system] peek_char((0x55772f068e50), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_446460, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _440806=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (222) [user] classify_and_convert_charseq(['C'], _405296)
^  Call: (223) [user] classify_and_convert_charseq_(['C'], _452896)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_453848, _453850), once(user:catch(read_from_chars(['C'], _452896), _453830, fail)), '$restore_trace'(_453848, _453850))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_453848, _453850))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _452896), _453830, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_452896)
   Fail: (224) [system] atomic(_452896)
   Call: (224) [system] atom_chars(_452896, ['C'])
   Exit: (224) [system] atom_chars('C', ['C'])
^  Exit: (223) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (223) [system] integer('C')
   Fail: (223) [system] integer('C')
   Call: (223) [system] _405296='C'
   Exit: (223) [system] 'C'='C'
^  Exit: (222) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (221) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (220) [user] read_list(')', (0x55772f068e50), _467846)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _469704)
   Exit: (222) [system] peek_char((0x55772f068e50), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
   Call: (222) [system] ')'=(/)
   Fail: (222) [system] ')'=(/)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _485714)
   Exit: (221) [system] peek_char((0x55772f068e50), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x55772f068e50), _489504)
   Exit: (221) [system] get_char((0x55772f068e50), ')')
   Call: (221) [system] _467846=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x55772f068e50), [])
   Call: (220) [system] _368636=['C']
   Exit: (220) [system] ['C']=['C']
^  Exit: (219) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (219) [system] _4612=[['AndLink', 'A', 'B'], 'C']
   Exit: (219) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (218) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (218) [system] _4604=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (218) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (217) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (216) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (216) [user] read_list(')', (0x55772f068e50), _503386)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _505244)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x55772f068e50), _514838)
   Exit: (218) [system] get_char((0x55772f068e50), ' ')
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _517542)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _534476)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _540046)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _541904)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _557914)
   Exit: (218) [system] get_char((0x55772f068e50), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x55772f068e50), _540046)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _563484)
   Exit: (220) [system] peek_char((0x55772f068e50), 'I')
   Call: (220) [system] 'I'=(;)
   Fail: (220) [system] 'I'=(;)
   Call: (220) [system] 'I'=(/)
   Fail: (220) [system] 'I'=(/)
^  Call: (220) [user] is_like_space('I')
   Call: (221) [system] char_type('I', 'white')
   Fail: (221) [system] char_type('I', 'white')
   Call: (221) [system] char_type('I', end_of_line)
   Fail: (221) [system] char_type('I', end_of_line)
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] char_type('I', cntrl)
   Fail: (221) [system] char_type('I', cntrl)
^  Fail: (220) [user] is_like_space('I')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _579494)
   Exit: (219) [system] peek_char((0x55772f068e50), 'I')
   Call: (219) [system] 'I'=')'
   Fail: (219) [system] 'I'=')'
   Call: (219) [system] 'I'=end_of_file
   Fail: (219) [system] 'I'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _585064)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _586922)
   Exit: (221) [system] peek_char((0x55772f068e50), 'I')
   Call: (221) [system] 'I'=(;)
   Fail: (221) [system] 'I'=(;)
   Call: (221) [system] 'I'=(/)
   Fail: (221) [system] 'I'=(/)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Fail: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Fail: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
   Fail: (222) [system] char_type('I', cntrl)
^  Fail: (221) [user] is_like_space('I')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _602932)
   Exit: (220) [system] get_char((0x55772f068e50), 'I')
   Call: (220) [system] 'I'='('
   Fail: (220) [system] 'I'='('
   Call: (220) [system] 'I'='['
   Fail: (220) [system] 'I'='['
   Call: (220) [system] 'I'='{'
   Fail: (220) [system] 'I'='{'
   Call: (220) [system] 'I'='"'
   Fail: (220) [system] 'I'='"'
   Call: (220) [system] 'I'=!
   Fail: (220) [system] 'I'=!
   Call: (220) [system] 'I'='\''
   Fail: (220) [system] 'I'='\''
   Call: (220) [system] 'I'='`'
   Fail: (220) [system] 'I'='`'
   Call: (220) [system] 'I'=end_of_file
   Fail: (220) [system] 'I'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x55772f068e50), 'I', _585064)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _620574)
   Call: (222) [system] peek_char((0x55772f068e50), _621508)
   Exit: (222) [system] peek_char((0x55772f068e50), m)
^  Call: (222) [user] is_delimiter(m)
   Call: (223) [system] char_type(m, space)
   Fail: (223) [system] char_type(m, space)
   Call: (223) [system] arg(_626228, v('(', ')', end_of_file), m)
   Fail: (223) [system] arg(_627160, v('(', ')', end_of_file), m)
^  Fail: (222) [user] is_delimiter(m)
   Call: (222) [system] ')'==m
   Fail: (222) [system] ')'==m
   Call: (222) [system] get_char((0x55772f068e50), m)
   Exit: (222) [system] get_char((0x55772f068e50), m)
   Call: (222) [system] m=(\)
   Fail: (222) [system] m=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _634510)
   Call: (223) [system] peek_char((0x55772f068e50), _635444)
   Exit: (223) [system] peek_char((0x55772f068e50), p)
^  Call: (223) [user] is_delimiter(p)
   Call: (224) [system] char_type(p, space)
   Fail: (224) [system] char_type(p, space)
   Call: (224) [system] arg(_640164, v('(', ')', end_of_file), p)
   Fail: (224) [system] arg(_641096, v('(', ')', end_of_file), p)
^  Fail: (223) [user] is_delimiter(p)
   Call: (223) [system] ')'==p
   Fail: (223) [system] ')'==p
   Call: (223) [system] get_char((0x55772f068e50), p)
   Exit: (223) [system] get_char((0x55772f068e50), p)
   Call: (223) [system] p=(\)
   Fail: (223) [system] p=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _648446)
   Call: (224) [system] peek_char((0x55772f068e50), _649380)
   Exit: (224) [system] peek_char((0x55772f068e50), l)
^  Call: (224) [user] is_delimiter(l)
   Call: (225) [system] char_type(l, space)
   Fail: (225) [system] char_type(l, space)
   Call: (225) [system] arg(_654100, v('(', ')', end_of_file), l)
   Fail: (225) [system] arg(_655032, v('(', ')', end_of_file), l)
^  Fail: (224) [user] is_delimiter(l)
   Call: (224) [system] ')'==l
   Fail: (224) [system] ')'==l
   Call: (224) [system] get_char((0x55772f068e50), l)
   Exit: (224) [system] get_char((0x55772f068e50), l)
   Call: (224) [system] l=(\)
   Fail: (224) [system] l=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _662382)
   Call: (225) [system] peek_char((0x55772f068e50), _663316)
   Exit: (225) [system] peek_char((0x55772f068e50), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_668036, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_668968, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x55772f068e50), i)
   Exit: (225) [system] get_char((0x55772f068e50), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _676318)
   Call: (226) [system] peek_char((0x55772f068e50), _677252)
   Exit: (226) [system] peek_char((0x55772f068e50), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_681972, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_682904, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x55772f068e50), c)
   Exit: (226) [system] get_char((0x55772f068e50), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _690254)
   Call: (227) [system] peek_char((0x55772f068e50), _691188)
   Exit: (227) [system] peek_char((0x55772f068e50), a)
^  Call: (227) [user] is_delimiter(a)
   Call: (228) [system] char_type(a, space)
   Fail: (228) [system] char_type(a, space)
   Call: (228) [system] arg(_695908, v('(', ')', end_of_file), a)
   Fail: (228) [system] arg(_696840, v('(', ')', end_of_file), a)
^  Fail: (227) [user] is_delimiter(a)
   Call: (227) [system] ')'==a
   Fail: (227) [system] ')'==a
   Call: (227) [system] get_char((0x55772f068e50), a)
   Exit: (227) [system] get_char((0x55772f068e50), a)
   Call: (227) [system] a=(\)
   Fail: (227) [system] a=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _704190)
   Call: (228) [system] peek_char((0x55772f068e50), _705124)
   Exit: (228) [system] peek_char((0x55772f068e50), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_709844, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_710776, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x55772f068e50), t)
   Exit: (228) [system] get_char((0x55772f068e50), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _718126)
   Call: (229) [system] peek_char((0x55772f068e50), _719060)
   Exit: (229) [system] peek_char((0x55772f068e50), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_723780, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_724712, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x55772f068e50), i)
   Exit: (229) [system] get_char((0x55772f068e50), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _732062)
   Call: (230) [system] peek_char((0x55772f068e50), _732996)
   Exit: (230) [system] peek_char((0x55772f068e50), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_737716, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_738648, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x55772f068e50), o)
   Exit: (230) [system] get_char((0x55772f068e50), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _745998)
   Call: (231) [system] peek_char((0x55772f068e50), _746932)
   Exit: (231) [system] peek_char((0x55772f068e50), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_751652, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_752584, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x55772f068e50), n)
   Exit: (231) [system] get_char((0x55772f068e50), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _759934)
   Call: (232) [system] peek_char((0x55772f068e50), _760868)
   Exit: (232) [system] peek_char((0x55772f068e50), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _759934=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (231) [system] _745998=[n]
   Exit: (231) [system] [n]=[n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (230) [system] _732062=[o, n]
   Exit: (230) [system] [o, n]=[o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (229) [system] _718126=[i, o, n]
   Exit: (229) [system] [i, o, n]=[i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (228) [system] _704190=[t, i, o, n]
   Exit: (228) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (227) [system] _690254=[a, t, i, o, n]
   Exit: (227) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (226) [system] _676318=[c, a, t, i, o, n]
   Exit: (226) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (225) [system] _662382=[i, c, a, t, i, o, n]
   Exit: (225) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (224) [system] _648446=[l, i, c, a, t, i, o, n]
   Exit: (224) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (223) [system] _634510=[p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (222) [system] _620574=[m, p, l, i, c, a, t, i, o, n]
   Exit: (222) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (221) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _585064)
^  Call: (222) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _798092)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_799044, _799046), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _798092), _799026, fail)), '$restore_trace'(_799044, _799046))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_799044, _799046))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _798092), _799026, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_798092)
   Fail: (223) [system] atomic(_798092)
   Call: (223) [system] atom_chars(_798092, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (223) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (222) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (222) [system] integer('Implication')
   Fail: (222) [system] integer('Implication')
   Call: (222) [system] _585064='Implication'
   Exit: (222) [system] 'Implication'='Implication'
^  Exit: (221) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (220) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (219) [user] read_list(')', (0x55772f068e50), _813042)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _814900)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x55772f068e50), _824494)
   Exit: (221) [system] get_char((0x55772f068e50), ' ')
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _827198)
   Exit: (222) [system] peek_char((0x55772f068e50), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _844132)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _849702)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _851560)
   Exit: (222) [system] peek_char((0x55772f068e50), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _867570)
   Exit: (221) [system] get_char((0x55772f068e50), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x55772f068e50), _849702)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _873140)
   Exit: (223) [system] peek_char((0x55772f068e50), 'O')
   Call: (223) [system] 'O'=(;)
   Fail: (223) [system] 'O'=(;)
   Call: (223) [system] 'O'=(/)
   Fail: (223) [system] 'O'=(/)
^  Call: (223) [user] is_like_space('O')
   Call: (224) [system] char_type('O', 'white')
   Fail: (224) [system] char_type('O', 'white')
   Call: (224) [system] char_type('O', end_of_line)
   Fail: (224) [system] char_type('O', end_of_line)
   Call: (224) [system] char_type('O', space)
   Fail: (224) [system] char_type('O', space)
   Call: (224) [system] char_type('O', cntrl)
   Fail: (224) [system] char_type('O', cntrl)
^  Fail: (223) [user] is_like_space('O')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _889150)
   Exit: (222) [system] peek_char((0x55772f068e50), 'O')
   Call: (222) [system] 'O'=')'
   Fail: (222) [system] 'O'=')'
   Call: (222) [system] 'O'=end_of_file
   Fail: (222) [system] 'O'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _894720)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _896578)
   Exit: (224) [system] peek_char((0x55772f068e50), 'O')
   Call: (224) [system] 'O'=(;)
   Fail: (224) [system] 'O'=(;)
   Call: (224) [system] 'O'=(/)
   Fail: (224) [system] 'O'=(/)
^  Call: (224) [user] is_like_space('O')
   Call: (225) [system] char_type('O', 'white')
   Fail: (225) [system] char_type('O', 'white')
   Call: (225) [system] char_type('O', end_of_line)
   Fail: (225) [system] char_type('O', end_of_line)
   Call: (225) [system] char_type('O', space)
   Fail: (225) [system] char_type('O', space)
   Call: (225) [system] char_type('O', cntrl)
   Fail: (225) [system] char_type('O', cntrl)
^  Fail: (224) [user] is_like_space('O')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _912588)
   Exit: (223) [system] get_char((0x55772f068e50), 'O')
   Call: (223) [system] 'O'='('
   Fail: (223) [system] 'O'='('
   Call: (223) [system] 'O'='['
   Fail: (223) [system] 'O'='['
   Call: (223) [system] 'O'='{'
   Fail: (223) [system] 'O'='{'
   Call: (223) [system] 'O'='"'
   Fail: (223) [system] 'O'='"'
   Call: (223) [system] 'O'=!
   Fail: (223) [system] 'O'=!
   Call: (223) [system] 'O'='\''
   Fail: (223) [system] 'O'='\''
   Call: (223) [system] 'O'='`'
   Fail: (223) [system] 'O'='`'
   Call: (223) [system] 'O'=end_of_file
   Fail: (223) [system] 'O'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x55772f068e50), 'O', _894720)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _930230)
   Call: (225) [system] peek_char((0x55772f068e50), _931164)
   Exit: (225) [system] peek_char((0x55772f068e50), r)
^  Call: (225) [user] is_delimiter(r)
   Call: (226) [system] char_type(r, space)
   Fail: (226) [system] char_type(r, space)
   Call: (226) [system] arg(_935884, v('(', ')', end_of_file), r)
   Fail: (226) [system] arg(_936816, v('(', ')', end_of_file), r)
^  Fail: (225) [user] is_delimiter(r)
   Call: (225) [system] ')'==r
   Fail: (225) [system] ')'==r
   Call: (225) [system] get_char((0x55772f068e50), r)
   Exit: (225) [system] get_char((0x55772f068e50), r)
   Call: (225) [system] r=(\)
   Fail: (225) [system] r=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _944166)
   Call: (226) [system] peek_char((0x55772f068e50), _945100)
   Exit: (226) [system] peek_char((0x55772f068e50), 'L')
^  Call: (226) [user] is_delimiter('L')
   Call: (227) [system] char_type('L', space)
   Fail: (227) [system] char_type('L', space)
   Call: (227) [system] arg(_949820, v('(', ')', end_of_file), 'L')
   Fail: (227) [system] arg(_950752, v('(', ')', end_of_file), 'L')
^  Fail: (226) [user] is_delimiter('L')
   Call: (226) [system] ')'=='L'
   Fail: (226) [system] ')'=='L'
   Call: (226) [system] get_char((0x55772f068e50), 'L')
   Exit: (226) [system] get_char((0x55772f068e50), 'L')
   Call: (226) [system] 'L'=(\)
   Fail: (226) [system] 'L'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _958102)
   Call: (227) [system] peek_char((0x55772f068e50), _959036)
   Exit: (227) [system] peek_char((0x55772f068e50), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_963756, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_964688, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x55772f068e50), i)
   Exit: (227) [system] get_char((0x55772f068e50), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _972038)
   Call: (228) [system] peek_char((0x55772f068e50), _972972)
   Exit: (228) [system] peek_char((0x55772f068e50), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_977692, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_978624, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x55772f068e50), n)
   Exit: (228) [system] get_char((0x55772f068e50), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _985974)
   Call: (229) [system] peek_char((0x55772f068e50), _986908)
   Exit: (229) [system] peek_char((0x55772f068e50), k)
^  Call: (229) [user] is_delimiter(k)
   Call: (230) [system] char_type(k, space)
   Fail: (230) [system] char_type(k, space)
   Call: (230) [system] arg(_991628, v('(', ')', end_of_file), k)
   Fail: (230) [system] arg(_992560, v('(', ')', end_of_file), k)
^  Fail: (229) [user] is_delimiter(k)
   Call: (229) [system] ')'==k
   Fail: (229) [system] ')'==k
   Call: (229) [system] get_char((0x55772f068e50), k)
   Exit: (229) [system] get_char((0x55772f068e50), k)
   Call: (229) [system] k=(\)
   Fail: (229) [system] k=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _999910)
   Call: (230) [system] peek_char((0x55772f068e50), _1000844)
   Exit: (230) [system] peek_char((0x55772f068e50), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _999910=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (229) [system] _985974=[k]
   Exit: (229) [system] [k]=[k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (228) [system] _972038=[n, k]
   Exit: (228) [system] [n, k]=[n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (227) [system] _958102=[i, n, k]
   Exit: (227) [system] [i, n, k]=[i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (226) [system] _944166=['L', i, n, k]
   Exit: (226) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (225) [system] _930230=[r, 'L', i, n, k]
   Exit: (225) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (224) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _894720)
^  Call: (225) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1024098)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1025050, _1025052), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1024098), _1025032, fail)), '$restore_trace'(_1025050, _1025052))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1025050, _1025052))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1024098), _1025032, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1024098)
   Fail: (226) [system] atomic(_1024098)
   Call: (226) [system] atom_chars(_1024098, ['O', r, 'L', i, n, k])
   Exit: (226) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (225) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (225) [system] integer('OrLink')
   Fail: (225) [system] integer('OrLink')
   Call: (225) [system] _894720='OrLink'
   Exit: (225) [system] 'OrLink'='OrLink'
^  Exit: (224) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (223) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (222) [user] read_list(')', (0x55772f068e50), _1039048)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1040906)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x55772f068e50), _1050500)
   Exit: (224) [system] get_char((0x55772f068e50), ' ')
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1053204)
   Exit: (225) [system] peek_char((0x55772f068e50), 'C')
   Call: (225) [system] 'C'=(;)
   Fail: (225) [system] 'C'=(;)
   Call: (225) [system] 'C'=(/)
   Fail: (225) [system] 'C'=(/)
^  Call: (225) [user] is_like_space('C')
   Call: (226) [system] char_type('C', 'white')
   Fail: (226) [system] char_type('C', 'white')
   Call: (226) [system] char_type('C', end_of_line)
   Fail: (226) [system] char_type('C', end_of_line)
   Call: (226) [system] char_type('C', space)
   Fail: (226) [system] char_type('C', space)
   Call: (226) [system] char_type('C', cntrl)
   Fail: (226) [system] char_type('C', cntrl)
^  Fail: (225) [user] is_like_space('C')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1070138)
   Exit: (223) [system] peek_char((0x55772f068e50), 'C')
   Call: (223) [system] 'C'=')'
   Fail: (223) [system] 'C'=')'
   Call: (223) [system] 'C'=end_of_file
   Fail: (223) [system] 'C'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x55772f068e50), _1075708)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1077566)
   Exit: (225) [system] peek_char((0x55772f068e50), 'C')
   Call: (225) [system] 'C'=(;)
   Fail: (225) [system] 'C'=(;)
   Call: (225) [system] 'C'=(/)
   Fail: (225) [system] 'C'=(/)
^  Call: (225) [user] is_like_space('C')
   Call: (226) [system] char_type('C', 'white')
   Fail: (226) [system] char_type('C', 'white')
   Call: (226) [system] char_type('C', end_of_line)
   Fail: (226) [system] char_type('C', end_of_line)
   Call: (226) [system] char_type('C', space)
   Fail: (226) [system] char_type('C', space)
   Call: (226) [system] char_type('C', cntrl)
   Fail: (226) [system] char_type('C', cntrl)
^  Fail: (225) [user] is_like_space('C')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] get_char((0x55772f068e50), _1093576)
   Exit: (224) [system] get_char((0x55772f068e50), 'C')
   Call: (224) [system] 'C'='('
   Fail: (224) [system] 'C'='('
   Call: (224) [system] 'C'='['
   Fail: (224) [system] 'C'='['
   Call: (224) [system] 'C'='{'
   Fail: (224) [system] 'C'='{'
   Call: (224) [system] 'C'='"'
   Fail: (224) [system] 'C'='"'
   Call: (224) [system] 'C'=!
   Fail: (224) [system] 'C'=!
   Call: (224) [system] 'C'='\''
   Fail: (224) [system] 'C'='\''
   Call: (224) [system] 'C'='`'
   Fail: (224) [system] 'C'='`'
   Call: (224) [system] 'C'=end_of_file
   Fail: (224) [system] 'C'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x55772f068e50), 'C', _1075708)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1111218)
   Call: (226) [system] peek_char((0x55772f068e50), _1112152)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1111218=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (225) [user] classify_and_convert_charseq(['C'], _1075708)
^  Call: (226) [user] classify_and_convert_charseq_(['C'], _1121436)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1122388, _1122390), once(user:catch(read_from_chars(['C'], _1121436), _1122370, fail)), '$restore_trace'(_1122388, _1122390))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1122388, _1122390))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1121436), _1122370, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1121436)
   Fail: (227) [system] atomic(_1121436)
   Call: (227) [system] atom_chars(_1121436, ['C'])
   Exit: (227) [system] atom_chars('C', ['C'])
^  Exit: (226) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (226) [system] integer('C')
   Fail: (226) [system] integer('C')
   Call: (226) [system] _1075708='C'
   Exit: (226) [system] 'C'='C'
^  Exit: (225) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (224) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (223) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (223) [user] read_list(')', (0x55772f068e50), _1136386)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1138244)
   Exit: (225) [system] peek_char((0x55772f068e50), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x55772f068e50), _1147838)
   Exit: (225) [system] get_char((0x55772f068e50), ' ')
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1150542)
   Exit: (226) [system] peek_char((0x55772f068e50), 'D')
   Call: (226) [system] 'D'=(;)
   Fail: (226) [system] 'D'=(;)
   Call: (226) [system] 'D'=(/)
   Fail: (226) [system] 'D'=(/)
^  Call: (226) [user] is_like_space('D')
   Call: (227) [system] char_type('D', 'white')
   Fail: (227) [system] char_type('D', 'white')
   Call: (227) [system] char_type('D', end_of_line)
   Fail: (227) [system] char_type('D', end_of_line)
   Call: (227) [system] char_type('D', space)
   Fail: (227) [system] char_type('D', space)
   Call: (227) [system] char_type('D', cntrl)
   Fail: (227) [system] char_type('D', cntrl)
^  Fail: (226) [user] is_like_space('D')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1167476)
   Exit: (224) [system] peek_char((0x55772f068e50), 'D')
   Call: (224) [system] 'D'=')'
   Fail: (224) [system] 'D'=')'
   Call: (224) [system] 'D'=end_of_file
   Fail: (224) [system] 'D'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x55772f068e50), _1173046)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1174904)
   Exit: (226) [system] peek_char((0x55772f068e50), 'D')
   Call: (226) [system] 'D'=(;)
   Fail: (226) [system] 'D'=(;)
   Call: (226) [system] 'D'=(/)
   Fail: (226) [system] 'D'=(/)
^  Call: (226) [user] is_like_space('D')
   Call: (227) [system] char_type('D', 'white')
   Fail: (227) [system] char_type('D', 'white')
   Call: (227) [system] char_type('D', end_of_line)
   Fail: (227) [system] char_type('D', end_of_line)
   Call: (227) [system] char_type('D', space)
   Fail: (227) [system] char_type('D', space)
   Call: (227) [system] char_type('D', cntrl)
   Fail: (227) [system] char_type('D', cntrl)
^  Fail: (226) [user] is_like_space('D')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] get_char((0x55772f068e50), _1190914)
   Exit: (225) [system] get_char((0x55772f068e50), 'D')
   Call: (225) [system] 'D'='('
   Fail: (225) [system] 'D'='('
   Call: (225) [system] 'D'='['
   Fail: (225) [system] 'D'='['
   Call: (225) [system] 'D'='{'
   Fail: (225) [system] 'D'='{'
   Call: (225) [system] 'D'='"'
   Fail: (225) [system] 'D'='"'
   Call: (225) [system] 'D'=!
   Fail: (225) [system] 'D'=!
   Call: (225) [system] 'D'='\''
   Fail: (225) [system] 'D'='\''
   Call: (225) [system] 'D'='`'
   Fail: (225) [system] 'D'='`'
   Call: (225) [system] 'D'=end_of_file
   Fail: (225) [system] 'D'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x55772f068e50), 'D', _1173046)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1208556)
   Call: (227) [system] peek_char((0x55772f068e50), _1209490)
   Exit: (227) [system] peek_char((0x55772f068e50), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_1214210, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _1208556=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (226) [user] classify_and_convert_charseq(['D'], _1173046)
^  Call: (227) [user] classify_and_convert_charseq_(['D'], _1220646)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1221598, _1221600), once(user:catch(read_from_chars(['D'], _1220646), _1221580, fail)), '$restore_trace'(_1221598, _1221600))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1221598, _1221600))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1220646), _1221580, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1220646)
   Fail: (228) [system] atomic(_1220646)
   Call: (228) [system] atom_chars(_1220646, ['D'])
   Exit: (228) [system] atom_chars('D', ['D'])
^  Exit: (227) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (227) [system] integer('D')
   Fail: (227) [system] integer('D')
   Call: (227) [system] _1173046='D'
   Exit: (227) [system] 'D'='D'
^  Exit: (226) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (225) [user] read_symbolic(')', (0x55772f068e50), 'D', 'D')
^  Exit: (224) [user] cont_sexpr(')', (0x55772f068e50), 'D')
^  Call: (224) [user] read_list(')', (0x55772f068e50), _1235596)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1237454)
   Exit: (226) [system] peek_char((0x55772f068e50), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
   Call: (226) [system] ')'=(/)
   Fail: (226) [system] ')'=(/)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1253464)
   Exit: (225) [system] peek_char((0x55772f068e50), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x55772f068e50), _1257254)
   Exit: (225) [system] get_char((0x55772f068e50), ')')
   Call: (225) [system] _1235596=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x55772f068e50), [])
   Call: (224) [system] _1136386=['D']
   Exit: (224) [system] ['D']=['D']
^  Exit: (223) [user] read_list(')', (0x55772f068e50), ['D'])
   Call: (223) [system] _1039048=['C', 'D']
   Exit: (223) [system] ['C', 'D']=['C', 'D']
^  Exit: (222) [user] read_list(')', (0x55772f068e50), ['C', 'D'])
   Call: (222) [system] _849702=['OrLink', 'C', 'D']
   Exit: (222) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (221) [user] read_list(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Call: (220) [user] read_list(')', (0x55772f068e50), _1271136)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1272994)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x55772f068e50), _1282588)
   Exit: (222) [system] get_char((0x55772f068e50), ' ')
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1285292)
   Exit: (223) [system] peek_char((0x55772f068e50), 'E')
   Call: (223) [system] 'E'=(;)
   Fail: (223) [system] 'E'=(;)
   Call: (223) [system] 'E'=(/)
   Fail: (223) [system] 'E'=(/)
^  Call: (223) [user] is_like_space('E')
   Call: (224) [system] char_type('E', 'white')
   Fail: (224) [system] char_type('E', 'white')
   Call: (224) [system] char_type('E', end_of_line)
   Fail: (224) [system] char_type('E', end_of_line)
   Call: (224) [system] char_type('E', space)
   Fail: (224) [system] char_type('E', space)
   Call: (224) [system] char_type('E', cntrl)
   Fail: (224) [system] char_type('E', cntrl)
^  Fail: (223) [user] is_like_space('E')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1302226)
   Exit: (221) [system] peek_char((0x55772f068e50), 'E')
   Call: (221) [system] 'E'=')'
   Fail: (221) [system] 'E'=')'
   Call: (221) [system] 'E'=end_of_file
   Fail: (221) [system] 'E'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _1307796)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1309654)
   Exit: (223) [system] peek_char((0x55772f068e50), 'E')
   Call: (223) [system] 'E'=(;)
   Fail: (223) [system] 'E'=(;)
   Call: (223) [system] 'E'=(/)
   Fail: (223) [system] 'E'=(/)
^  Call: (223) [user] is_like_space('E')
   Call: (224) [system] char_type('E', 'white')
   Fail: (224) [system] char_type('E', 'white')
   Call: (224) [system] char_type('E', end_of_line)
   Fail: (224) [system] char_type('E', end_of_line)
   Call: (224) [system] char_type('E', space)
   Fail: (224) [system] char_type('E', space)
   Call: (224) [system] char_type('E', cntrl)
   Fail: (224) [system] char_type('E', cntrl)
^  Fail: (223) [user] is_like_space('E')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _1325664)
   Exit: (222) [system] get_char((0x55772f068e50), 'E')
   Call: (222) [system] 'E'='('
   Fail: (222) [system] 'E'='('
   Call: (222) [system] 'E'='['
   Fail: (222) [system] 'E'='['
   Call: (222) [system] 'E'='{'
   Fail: (222) [system] 'E'='{'
   Call: (222) [system] 'E'='"'
   Fail: (222) [system] 'E'='"'
   Call: (222) [system] 'E'=!
   Fail: (222) [system] 'E'=!
   Call: (222) [system] 'E'='\''
   Fail: (222) [system] 'E'='\''
   Call: (222) [system] 'E'='`'
   Fail: (222) [system] 'E'='`'
   Call: (222) [system] 'E'=end_of_file
   Fail: (222) [system] 'E'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x55772f068e50), 'E', _1307796)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1343306)
   Call: (224) [system] peek_char((0x55772f068e50), _1344240)
   Exit: (224) [system] peek_char((0x55772f068e50), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_1348960, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _1343306=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (223) [user] classify_and_convert_charseq(['E'], _1307796)
^  Call: (224) [user] classify_and_convert_charseq_(['E'], _1355396)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1356348, _1356350), once(user:catch(read_from_chars(['E'], _1355396), _1356330, fail)), '$restore_trace'(_1356348, _1356350))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1356348, _1356350))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1355396), _1356330, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1355396)
   Fail: (225) [system] atomic(_1355396)
   Call: (225) [system] atom_chars(_1355396, ['E'])
   Exit: (225) [system] atom_chars('E', ['E'])
^  Exit: (224) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (224) [system] integer('E')
   Fail: (224) [system] integer('E')
   Call: (224) [system] _1307796='E'
   Exit: (224) [system] 'E'='E'
^  Exit: (223) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (222) [user] read_symbolic(')', (0x55772f068e50), 'E', 'E')
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), 'E')
^  Call: (221) [user] read_list(')', (0x55772f068e50), _1370346)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1372204)
   Exit: (223) [system] peek_char((0x55772f068e50), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
   Call: (223) [system] ')'=(/)
   Fail: (223) [system] ')'=(/)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1388214)
   Exit: (222) [system] peek_char((0x55772f068e50), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x55772f068e50), _1392004)
   Exit: (222) [system] get_char((0x55772f068e50), ')')
   Call: (222) [system] _1370346=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x55772f068e50), [])
   Call: (221) [system] _1271136=['E']
   Exit: (221) [system] ['E']=['E']
^  Exit: (220) [user] read_list(')', (0x55772f068e50), ['E'])
   Call: (220) [system] _813042=[['OrLink', 'C', 'D'], 'E']
   Exit: (220) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (219) [user] read_list(')', (0x55772f068e50), [['OrLink', 'C', 'D'], 'E'])
   Call: (219) [system] _540046=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (219) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (218) [user] read_list(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (217) [user] read_list(')', (0x55772f068e50), _1405886)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1407744)
   Exit: (219) [system] peek_char((0x55772f068e50), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
   Call: (219) [system] ')'=(/)
   Fail: (219) [system] ')'=(/)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1423754)
   Exit: (218) [system] peek_char((0x55772f068e50), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x55772f068e50), _1427544)
   Exit: (218) [system] get_char((0x55772f068e50), ')')
   Call: (218) [system] _1405886=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x55772f068e50), [])
   Call: (217) [system] _503386=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (217) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (216) [user] read_list(')', (0x55772f068e50), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (216) [system] _4600=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (216) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (215) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (215) [system] _4592=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (215) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (214) [user] read_list(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (213) [user] read_list(')', (0x55772f068e50), _1441426)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1443284)
   Exit: (215) [system] peek_char((0x55772f068e50), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1459294)
   Exit: (214) [system] peek_char((0x55772f068e50), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x55772f068e50), _1463084)
   Exit: (214) [system] get_char((0x55772f068e50), ')')
   Call: (214) [system] _1441426=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x55772f068e50), [])
   Call: (213) [system] _4588=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (213) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (212) [user] read_list(')', (0x55772f068e50), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (212) [system] _4546=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (212) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (211) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (211) [system] _4538=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (211) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (210) [user] read_list(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (209) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (209) [user] read_list(')', (0x55772f068e50), _1476966)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1478824)
   Exit: (211) [system] peek_char((0x55772f068e50), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
   Call: (211) [system] ')'=(/)
   Fail: (211) [system] ')'=(/)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1494834)
   Exit: (210) [system] peek_char((0x55772f068e50), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x55772f068e50), _1498624)
   Exit: (210) [system] get_char((0x55772f068e50), ')')
   Call: (210) [system] _1476966=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x55772f068e50), [])
   Call: (209) [system] _4534=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (209) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (208) [user] read_list(')', (0x55772f068e50), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (208) [system] _4492=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (208) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (207) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (207) [system] _4484=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (207) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (206) [user] read_list(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (205) [user] cont_sexpr(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Call: (205) [user] read_list(')', (0x55772f068e50), _1512506)
^  Call: (206) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1514364)
   Exit: (207) [system] peek_char((0x55772f068e50), '\n')
   Call: (207) [system] '\n'=(;)
   Fail: (207) [system] '\n'=(;)
   Call: (207) [system] '\n'=(/)
   Fail: (207) [system] '\n'=(/)
^  Call: (207) [user] is_like_space('\n')
   Call: (208) [system] char_type('\n', 'white')
   Fail: (208) [system] char_type('\n', 'white')
   Call: (208) [system] char_type('\n', end_of_line)
   Exit: (208) [system] char_type('\n', end_of_line)
^  Exit: (207) [user] is_like_space('\n')
   Call: (207) [system] get_char((0x55772f068e50), _1525814)
   Exit: (207) [system] get_char((0x55772f068e50), '\n')
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1528518)
   Exit: (208) [system] peek_char((0x55772f068e50), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x55772f068e50), _1538112)
   Exit: (208) [system] get_char((0x55772f068e50), ' ')
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1540816)
   Exit: (209) [system] peek_char((0x55772f068e50), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
^  Exit: (206) [user] skip_spaces((0x55772f068e50))
   Call: (206) [system] peek_char((0x55772f068e50), _1558674)
   Exit: (206) [system] peek_char((0x55772f068e50), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x55772f068e50), _1564244)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1566102)
   Exit: (208) [system] peek_char((0x55772f068e50), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] get_char((0x55772f068e50), _1582112)
   Exit: (207) [system] get_char((0x55772f068e50), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x55772f068e50), _1564244)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1587682)
   Exit: (209) [system] peek_char((0x55772f068e50), :)
   Call: (209) [system] (:)=(;)
   Fail: (209) [system] (:)=(;)
   Call: (209) [system] (:)=(/)
   Fail: (209) [system] (:)=(/)
^  Call: (209) [user] is_like_space(:)
   Call: (210) [system] char_type(:, 'white')
   Fail: (210) [system] char_type(:, 'white')
   Call: (210) [system] char_type(:, end_of_line)
   Fail: (210) [system] char_type(:, end_of_line)
   Call: (210) [system] char_type(:, space)
   Fail: (210) [system] char_type(:, space)
   Call: (210) [system] char_type(:, cntrl)
   Fail: (210) [system] char_type(:, cntrl)
^  Fail: (209) [user] is_like_space(:)
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1603692)
   Exit: (208) [system] peek_char((0x55772f068e50), :)
   Call: (208) [system] (:)=')'
   Fail: (208) [system] (:)=')'
   Call: (208) [system] (:)=end_of_file
   Fail: (208) [system] (:)=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x55772f068e50), _1609262)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1611120)
   Exit: (210) [system] peek_char((0x55772f068e50), :)
   Call: (210) [system] (:)=(;)
   Fail: (210) [system] (:)=(;)
   Call: (210) [system] (:)=(/)
   Fail: (210) [system] (:)=(/)
^  Call: (210) [user] is_like_space(:)
   Call: (211) [system] char_type(:, 'white')
   Fail: (211) [system] char_type(:, 'white')
   Call: (211) [system] char_type(:, end_of_line)
   Fail: (211) [system] char_type(:, end_of_line)
   Call: (211) [system] char_type(:, space)
   Fail: (211) [system] char_type(:, space)
   Call: (211) [system] char_type(:, cntrl)
   Fail: (211) [system] char_type(:, cntrl)
^  Fail: (210) [user] is_like_space(:)
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] get_char((0x55772f068e50), _1627130)
   Exit: (209) [system] get_char((0x55772f068e50), :)
   Call: (209) [system] (:)='('
   Fail: (209) [system] (:)='('
   Call: (209) [system] (:)='['
   Fail: (209) [system] (:)='['
   Call: (209) [system] (:)='{'
   Fail: (209) [system] (:)='{'
   Call: (209) [system] (:)='"'
   Fail: (209) [system] (:)='"'
   Call: (209) [system] (:)=!
   Fail: (209) [system] (:)=!
   Call: (209) [system] (:)='\''
   Fail: (209) [system] (:)='\''
   Call: (209) [system] (:)='`'
   Fail: (209) [system] (:)='`'
   Call: (209) [system] (:)=end_of_file
   Fail: (209) [system] (:)=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x55772f068e50), :, _1609262)
^  Call: (210) [user] read_symbolic_cont(')', (0x55772f068e50), _1644772)
   Call: (211) [system] peek_char((0x55772f068e50), _1645706)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1644772=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (210) [user] classify_and_convert_charseq([:], _1609262)
^  Call: (211) [user] classify_and_convert_charseq_([:], _1654990)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1655942, _1655944), once(user:catch(read_from_chars([:], _1654990), _1655924, fail)), '$restore_trace'(_1655942, _1655944))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1655942, _1655944))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1655924, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(:)
   Exit: (212) [system] atomic(:)
^  Exit: (211) [user] classify_and_convert_charseq_([:], :)
   Call: (211) [system] integer(:)
   Fail: (211) [system] integer(:)
   Call: (211) [system] _1609262=(:)
   Exit: (211) [system] (:)=(:)
^  Exit: (210) [user] classify_and_convert_charseq([:], :)
^  Exit: (209) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (208) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (208) [user] read_list(')', (0x55772f068e50), _1668070)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1669928)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x55772f068e50), _1679522)
   Exit: (210) [system] get_char((0x55772f068e50), ' ')
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1682226)
   Exit: (211) [system] peek_char((0x55772f068e50), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1699160)
   Exit: (209) [system] peek_char((0x55772f068e50), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x55772f068e50), _1704730)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1706588)
   Exit: (211) [system] peek_char((0x55772f068e50), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] get_char((0x55772f068e50), _1722598)
   Exit: (210) [system] get_char((0x55772f068e50), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x55772f068e50), _1704730)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1728168)
   Exit: (212) [system] peek_char((0x55772f068e50), 'D')
   Call: (212) [system] 'D'=(;)
   Fail: (212) [system] 'D'=(;)
   Call: (212) [system] 'D'=(/)
   Fail: (212) [system] 'D'=(/)
^  Call: (212) [user] is_like_space('D')
   Call: (213) [system] char_type('D', 'white')
   Fail: (213) [system] char_type('D', 'white')
   Call: (213) [system] char_type('D', end_of_line)
   Fail: (213) [system] char_type('D', end_of_line)
   Call: (213) [system] char_type('D', space)
   Fail: (213) [system] char_type('D', space)
   Call: (213) [system] char_type('D', cntrl)
   Fail: (213) [system] char_type('D', cntrl)
^  Fail: (212) [user] is_like_space('D')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1744178)
   Exit: (211) [system] peek_char((0x55772f068e50), 'D')
   Call: (211) [system] 'D'=')'
   Fail: (211) [system] 'D'=')'
   Call: (211) [system] 'D'=end_of_file
   Fail: (211) [system] 'D'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x55772f068e50), _1749748)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1751606)
   Exit: (213) [system] peek_char((0x55772f068e50), 'D')
   Call: (213) [system] 'D'=(;)
   Fail: (213) [system] 'D'=(;)
   Call: (213) [system] 'D'=(/)
   Fail: (213) [system] 'D'=(/)
^  Call: (213) [user] is_like_space('D')
   Call: (214) [system] char_type('D', 'white')
   Fail: (214) [system] char_type('D', 'white')
   Call: (214) [system] char_type('D', end_of_line)
   Fail: (214) [system] char_type('D', end_of_line)
   Call: (214) [system] char_type('D', space)
   Fail: (214) [system] char_type('D', space)
   Call: (214) [system] char_type('D', cntrl)
   Fail: (214) [system] char_type('D', cntrl)
^  Fail: (213) [user] is_like_space('D')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] get_char((0x55772f068e50), _1767616)
   Exit: (212) [system] get_char((0x55772f068e50), 'D')
   Call: (212) [system] 'D'='('
   Fail: (212) [system] 'D'='('
   Call: (212) [system] 'D'='['
   Fail: (212) [system] 'D'='['
   Call: (212) [system] 'D'='{'
   Fail: (212) [system] 'D'='{'
   Call: (212) [system] 'D'='"'
   Fail: (212) [system] 'D'='"'
   Call: (212) [system] 'D'=!
   Fail: (212) [system] 'D'=!
   Call: (212) [system] 'D'='\''
   Fail: (212) [system] 'D'='\''
   Call: (212) [system] 'D'='`'
   Fail: (212) [system] 'D'='`'
   Call: (212) [system] 'D'=end_of_file
   Fail: (212) [system] 'D'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x55772f068e50), 'D', _1749748)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _1785258)
   Call: (214) [system] peek_char((0x55772f068e50), _1786192)
   Exit: (214) [system] peek_char((0x55772f068e50), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_1790912, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_1791844, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x55772f068e50), i)
   Exit: (214) [system] get_char((0x55772f068e50), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1799194)
   Call: (215) [system] peek_char((0x55772f068e50), _1800128)
   Exit: (215) [system] peek_char((0x55772f068e50), s)
^  Call: (215) [user] is_delimiter(s)
   Call: (216) [system] char_type(s, space)
   Fail: (216) [system] char_type(s, space)
   Call: (216) [system] arg(_1804848, v('(', ')', end_of_file), s)
   Fail: (216) [system] arg(_1805780, v('(', ')', end_of_file), s)
^  Fail: (215) [user] is_delimiter(s)
   Call: (215) [system] ')'==s
   Fail: (215) [system] ')'==s
   Call: (215) [system] get_char((0x55772f068e50), s)
   Exit: (215) [system] get_char((0x55772f068e50), s)
   Call: (215) [system] s=(\)
   Fail: (215) [system] s=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1813130)
   Call: (216) [system] peek_char((0x55772f068e50), _1814064)
   Exit: (216) [system] peek_char((0x55772f068e50), j)
^  Call: (216) [user] is_delimiter(j)
   Call: (217) [system] char_type(j, space)
   Fail: (217) [system] char_type(j, space)
   Call: (217) [system] arg(_1818784, v('(', ')', end_of_file), j)
   Fail: (217) [system] arg(_1819716, v('(', ')', end_of_file), j)
^  Fail: (216) [user] is_delimiter(j)
   Call: (216) [system] ')'==j
   Fail: (216) [system] ')'==j
   Call: (216) [system] get_char((0x55772f068e50), j)
   Exit: (216) [system] get_char((0x55772f068e50), j)
   Call: (216) [system] j=(\)
   Fail: (216) [system] j=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1827066)
   Call: (217) [system] peek_char((0x55772f068e50), _1828000)
   Exit: (217) [system] peek_char((0x55772f068e50), u)
^  Call: (217) [user] is_delimiter(u)
   Call: (218) [system] char_type(u, space)
   Fail: (218) [system] char_type(u, space)
   Call: (218) [system] arg(_1832720, v('(', ')', end_of_file), u)
   Fail: (218) [system] arg(_1833652, v('(', ')', end_of_file), u)
^  Fail: (217) [user] is_delimiter(u)
   Call: (217) [system] ')'==u
   Fail: (217) [system] ')'==u
   Call: (217) [system] get_char((0x55772f068e50), u)
   Exit: (217) [system] get_char((0x55772f068e50), u)
   Call: (217) [system] u=(\)
   Fail: (217) [system] u=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1841002)
   Call: (218) [system] peek_char((0x55772f068e50), _1841936)
   Exit: (218) [system] peek_char((0x55772f068e50), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1846656, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_1847588, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x55772f068e50), n)
   Exit: (218) [system] get_char((0x55772f068e50), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1854938)
   Call: (219) [system] peek_char((0x55772f068e50), _1855872)
   Exit: (219) [system] peek_char((0x55772f068e50), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_1860592, v('(', ')', end_of_file), c)
   Fail: (220) [system] arg(_1861524, v('(', ')', end_of_file), c)
^  Fail: (219) [user] is_delimiter(c)
   Call: (219) [system] ')'==c
   Fail: (219) [system] ')'==c
   Call: (219) [system] get_char((0x55772f068e50), c)
   Exit: (219) [system] get_char((0x55772f068e50), c)
   Call: (219) [system] c=(\)
   Fail: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1868874)
   Call: (220) [system] peek_char((0x55772f068e50), _1869808)
   Exit: (220) [system] peek_char((0x55772f068e50), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_1874528, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_1875460, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x55772f068e50), t)
   Exit: (220) [system] get_char((0x55772f068e50), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1882810)
   Call: (221) [system] peek_char((0x55772f068e50), _1883744)
   Exit: (221) [system] peek_char((0x55772f068e50), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1888464, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1889396, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x55772f068e50), i)
   Exit: (221) [system] get_char((0x55772f068e50), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1896746)
   Call: (222) [system] peek_char((0x55772f068e50), _1897680)
   Exit: (222) [system] peek_char((0x55772f068e50), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_1902400, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_1903332, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x55772f068e50), o)
   Exit: (222) [system] get_char((0x55772f068e50), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1910682)
   Call: (223) [system] peek_char((0x55772f068e50), _1911616)
   Exit: (223) [system] peek_char((0x55772f068e50), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1916336, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_1917268, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x55772f068e50), n)
   Exit: (223) [system] get_char((0x55772f068e50), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1924618)
   Call: (224) [system] peek_char((0x55772f068e50), _1925552)
   Exit: (224) [system] peek_char((0x55772f068e50), 'I')
^  Call: (224) [user] is_delimiter('I')
   Call: (225) [system] char_type('I', space)
   Fail: (225) [system] char_type('I', space)
   Call: (225) [system] arg(_1930272, v('(', ')', end_of_file), 'I')
   Fail: (225) [system] arg(_1931204, v('(', ')', end_of_file), 'I')
^  Fail: (224) [user] is_delimiter('I')
   Call: (224) [system] ')'=='I'
   Fail: (224) [system] ')'=='I'
   Call: (224) [system] get_char((0x55772f068e50), 'I')
   Exit: (224) [system] get_char((0x55772f068e50), 'I')
   Call: (224) [system] 'I'=(\)
   Fail: (224) [system] 'I'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1938554)
   Call: (225) [system] peek_char((0x55772f068e50), _1939488)
   Exit: (225) [system] peek_char((0x55772f068e50), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1944208, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_1945140, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x55772f068e50), n)
   Exit: (225) [system] get_char((0x55772f068e50), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1952490)
   Call: (226) [system] peek_char((0x55772f068e50), _1953424)
   Exit: (226) [system] peek_char((0x55772f068e50), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_1958144, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_1959076, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x55772f068e50), t)
   Exit: (226) [system] get_char((0x55772f068e50), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1966426)
   Call: (227) [system] peek_char((0x55772f068e50), _1967360)
   Exit: (227) [system] peek_char((0x55772f068e50), r)
^  Call: (227) [user] is_delimiter(r)
   Call: (228) [system] char_type(r, space)
   Fail: (228) [system] char_type(r, space)
   Call: (228) [system] arg(_1972080, v('(', ')', end_of_file), r)
   Fail: (228) [system] arg(_1973012, v('(', ')', end_of_file), r)
^  Fail: (227) [user] is_delimiter(r)
   Call: (227) [system] ')'==r
   Fail: (227) [system] ')'==r
   Call: (227) [system] get_char((0x55772f068e50), r)
   Exit: (227) [system] get_char((0x55772f068e50), r)
   Call: (227) [system] r=(\)
   Fail: (227) [system] r=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1980362)
   Call: (228) [system] peek_char((0x55772f068e50), _1981296)
   Exit: (228) [system] peek_char((0x55772f068e50), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_1986016, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_1986948, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x55772f068e50), o)
   Exit: (228) [system] get_char((0x55772f068e50), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1994298)
   Call: (229) [system] peek_char((0x55772f068e50), _1995232)
   Exit: (229) [system] peek_char((0x55772f068e50), d)
^  Call: (229) [user] is_delimiter(d)
   Call: (230) [system] char_type(d, space)
   Fail: (230) [system] char_type(d, space)
   Call: (230) [system] arg(_1999952, v('(', ')', end_of_file), d)
   Fail: (230) [system] arg(_2000884, v('(', ')', end_of_file), d)
^  Fail: (229) [user] is_delimiter(d)
   Call: (229) [system] ')'==d
   Fail: (229) [system] ')'==d
   Call: (229) [system] get_char((0x55772f068e50), d)
   Exit: (229) [system] get_char((0x55772f068e50), d)
   Call: (229) [system] d=(\)
   Fail: (229) [system] d=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _2008234)
   Call: (230) [system] peek_char((0x55772f068e50), _2009168)
   Exit: (230) [system] peek_char((0x55772f068e50), u)
^  Call: (230) [user] is_delimiter(u)
   Call: (231) [system] char_type(u, space)
   Fail: (231) [system] char_type(u, space)
   Call: (231) [system] arg(_2013888, v('(', ')', end_of_file), u)
   Fail: (231) [system] arg(_2014820, v('(', ')', end_of_file), u)
^  Fail: (230) [user] is_delimiter(u)
   Call: (230) [system] ')'==u
   Fail: (230) [system] ')'==u
   Call: (230) [system] get_char((0x55772f068e50), u)
   Exit: (230) [system] get_char((0x55772f068e50), u)
   Call: (230) [system] u=(\)
   Fail: (230) [system] u=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _2022170)
   Call: (231) [system] peek_char((0x55772f068e50), _2023104)
   Exit: (231) [system] peek_char((0x55772f068e50), c)
^  Call: (231) [user] is_delimiter(c)
   Call: (232) [system] char_type(c, space)
   Fail: (232) [system] char_type(c, space)
   Call: (232) [system] arg(_2027824, v('(', ')', end_of_file), c)
   Fail: (232) [system] arg(_2028756, v('(', ')', end_of_file), c)
^  Fail: (231) [user] is_delimiter(c)
   Call: (231) [system] ')'==c
   Fail: (231) [system] ')'==c
   Call: (231) [system] get_char((0x55772f068e50), c)
   Exit: (231) [system] get_char((0x55772f068e50), c)
   Call: (231) [system] c=(\)
   Fail: (231) [system] c=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _2036106)
   Call: (232) [system] peek_char((0x55772f068e50), _2037040)
   Exit: (232) [system] peek_char((0x55772f068e50), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_2041760, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_2042692, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x55772f068e50), t)
   Exit: (232) [system] get_char((0x55772f068e50), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _2050042)
   Call: (233) [system] peek_char((0x55772f068e50), _2050976)
   Exit: (233) [system] peek_char((0x55772f068e50), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_2055696, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_2056628, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x55772f068e50), i)
   Exit: (233) [system] get_char((0x55772f068e50), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _2063978)
   Call: (234) [system] peek_char((0x55772f068e50), _2064912)
   Exit: (234) [system] peek_char((0x55772f068e50), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_2069632, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_2070564, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x55772f068e50), o)
   Exit: (234) [system] get_char((0x55772f068e50), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _2077914)
   Call: (235) [system] peek_char((0x55772f068e50), _2078848)
   Exit: (235) [system] peek_char((0x55772f068e50), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_2083568, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_2084500, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x55772f068e50), n)
   Exit: (235) [system] get_char((0x55772f068e50), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _2091850)
   Call: (236) [system] peek_char((0x55772f068e50), _2092784)
   Exit: (236) [system] peek_char((0x55772f068e50), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _4798=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (235) [system] _4794=[n]
   Exit: (235) [system] [n]=[n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (234) [system] _4790=[o, n]
   Exit: (234) [system] [o, n]=[o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (233) [system] _4786=[i, o, n]
   Exit: (233) [system] [i, o, n]=[i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (232) [system] _4782=[t, i, o, n]
   Exit: (232) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (231) [system] _4778=[c, t, i, o, n]
   Exit: (231) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (230) [system] _4774=[u, c, t, i, o, n]
   Exit: (230) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (229) [system] _4770=[d, u, c, t, i, o, n]
   Exit: (229) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (228) [system] _4766=[o, d, u, c, t, i, o, n]
   Exit: (228) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (227) [system] _4762=[r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _4758=[t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _4754=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _4750=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _4746=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _4742=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _4738=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _4734=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _4730=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _4726=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _4722=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _4718=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _4714=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _4710=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (213) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4706)
^  Call: (214) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _71542)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_72494, _72496), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _71542), _72476, fail)), '$restore_trace'(_72494, _72496))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_72494, _72496))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _71542), _72476, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_71542)
   Fail: (215) [system] atomic(_71542)
   Call: (215) [system] atom_chars(_71542, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (215) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (214) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (214) [system] integer('DisjunctionIntroduction')
   Fail: (214) [system] integer('DisjunctionIntroduction')
   Call: (214) [system] _4706='DisjunctionIntroduction'
   Exit: (214) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (213) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (212) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (211) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (211) [user] read_list(')', (0x55772f068e50), _86492)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _88350)
   Exit: (213) [system] peek_char((0x55772f068e50), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x55772f068e50), _97944)
   Exit: (213) [system] get_char((0x55772f068e50), ' ')
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _100648)
   Exit: (214) [system] peek_char((0x55772f068e50), a)
   Call: (214) [system] a=(;)
   Fail: (214) [system] a=(;)
   Call: (214) [system] a=(/)
   Fail: (214) [system] a=(/)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Fail: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Fail: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
   Fail: (215) [system] char_type(a, cntrl)
^  Fail: (214) [user] is_like_space(a)
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _117582)
   Exit: (212) [system] peek_char((0x55772f068e50), a)
   Call: (212) [system] a=')'
   Fail: (212) [system] a=')'
   Call: (212) [system] a=end_of_file
   Fail: (212) [system] a=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x55772f068e50), _123152)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _125010)
   Exit: (214) [system] peek_char((0x55772f068e50), a)
   Call: (214) [system] a=(;)
   Fail: (214) [system] a=(;)
   Call: (214) [system] a=(/)
   Fail: (214) [system] a=(/)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Fail: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Fail: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
   Fail: (215) [system] char_type(a, cntrl)
^  Fail: (214) [user] is_like_space(a)
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] get_char((0x55772f068e50), _141020)
   Exit: (213) [system] get_char((0x55772f068e50), a)
   Call: (213) [system] a='('
   Fail: (213) [system] a='('
   Call: (213) [system] a='['
   Fail: (213) [system] a='['
   Call: (213) [system] a='{'
   Fail: (213) [system] a='{'
   Call: (213) [system] a='"'
   Fail: (213) [system] a='"'
   Call: (213) [system] a=!
   Fail: (213) [system] a=!
   Call: (213) [system] a='\''
   Fail: (213) [system] a='\''
   Call: (213) [system] a='`'
   Fail: (213) [system] a='`'
   Call: (213) [system] a=end_of_file
   Fail: (213) [system] a=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x55772f068e50), a, _123152)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _158662)
   Call: (215) [system] peek_char((0x55772f068e50), _159596)
   Exit: (215) [system] peek_char((0x55772f068e50), b)
^  Call: (215) [user] is_delimiter(b)
   Call: (216) [system] char_type(b, space)
   Fail: (216) [system] char_type(b, space)
   Call: (216) [system] arg(_164316, v('(', ')', end_of_file), b)
   Fail: (216) [system] arg(_165248, v('(', ')', end_of_file), b)
^  Fail: (215) [user] is_delimiter(b)
   Call: (215) [system] ')'==b
   Fail: (215) [system] ')'==b
   Call: (215) [system] get_char((0x55772f068e50), b)
   Exit: (215) [system] get_char((0x55772f068e50), b)
   Call: (215) [system] b=(\)
   Fail: (215) [system] b=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _172598)
   Call: (216) [system] peek_char((0x55772f068e50), _173532)
   Exit: (216) [system] peek_char((0x55772f068e50), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_178252, v('(', ')', end_of_file), c)
   Fail: (217) [system] arg(_179184, v('(', ')', end_of_file), c)
^  Fail: (216) [user] is_delimiter(c)
   Call: (216) [system] ')'==c
   Fail: (216) [system] ')'==c
   Call: (216) [system] get_char((0x55772f068e50), c)
   Exit: (216) [system] get_char((0x55772f068e50), c)
   Call: (216) [system] c=(\)
   Fail: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _186534)
   Call: (217) [system] peek_char((0x55772f068e50), _187468)
   Exit: (217) [system] peek_char((0x55772f068e50), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _186534=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (216) [system] _172598=[c]
   Exit: (216) [system] [c]=[c]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (215) [system] _158662=[b, c]
   Exit: (215) [system] [b, c]=[b, c]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (214) [user] classify_and_convert_charseq([a, b, c], _123152)
^  Call: (215) [user] classify_and_convert_charseq_([a, b, c], _202340)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_203292, _203294), once(user:catch(read_from_chars([a, b, c], _202340), _203274, fail)), '$restore_trace'(_203292, _203294))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_203292, _203294))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _203274, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(abc)
   Exit: (216) [system] atomic(abc)
^  Exit: (215) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (215) [system] integer(abc)
   Fail: (215) [system] integer(abc)
   Call: (215) [system] _123152=abc
   Exit: (215) [system] abc=abc
^  Exit: (214) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (213) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (212) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (212) [user] read_list(')', (0x55772f068e50), _215420)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _217278)
   Exit: (214) [system] peek_char((0x55772f068e50), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x55772f068e50), _226872)
   Exit: (214) [system] get_char((0x55772f068e50), ' ')
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _229576)
   Exit: (215) [system] peek_char((0x55772f068e50), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _246510)
   Exit: (213) [system] peek_char((0x55772f068e50), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _252080)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _253938)
   Exit: (215) [system] peek_char((0x55772f068e50), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _269948)
   Exit: (214) [system] get_char((0x55772f068e50), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x55772f068e50), _252080)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _275518)
   Exit: (216) [system] peek_char((0x55772f068e50), 'D')
   Call: (216) [system] 'D'=(;)
   Fail: (216) [system] 'D'=(;)
   Call: (216) [system] 'D'=(/)
   Fail: (216) [system] 'D'=(/)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Fail: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Fail: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Fail: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
   Fail: (217) [system] char_type('D', cntrl)
^  Fail: (216) [user] is_like_space('D')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _291528)
   Exit: (215) [system] peek_char((0x55772f068e50), 'D')
   Call: (215) [system] 'D'=')'
   Fail: (215) [system] 'D'=')'
   Call: (215) [system] 'D'=end_of_file
   Fail: (215) [system] 'D'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x55772f068e50), _297098)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _298956)
   Exit: (217) [system] peek_char((0x55772f068e50), 'D')
   Call: (217) [system] 'D'=(;)
   Fail: (217) [system] 'D'=(;)
   Call: (217) [system] 'D'=(/)
   Fail: (217) [system] 'D'=(/)
^  Call: (217) [user] is_like_space('D')
   Call: (218) [system] char_type('D', 'white')
   Fail: (218) [system] char_type('D', 'white')
   Call: (218) [system] char_type('D', end_of_line)
   Fail: (218) [system] char_type('D', end_of_line)
   Call: (218) [system] char_type('D', space)
   Fail: (218) [system] char_type('D', space)
   Call: (218) [system] char_type('D', cntrl)
   Fail: (218) [system] char_type('D', cntrl)
^  Fail: (217) [user] is_like_space('D')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] get_char((0x55772f068e50), _314966)
   Exit: (216) [system] get_char((0x55772f068e50), 'D')
   Call: (216) [system] 'D'='('
   Fail: (216) [system] 'D'='('
   Call: (216) [system] 'D'='['
   Fail: (216) [system] 'D'='['
   Call: (216) [system] 'D'='{'
   Fail: (216) [system] 'D'='{'
   Call: (216) [system] 'D'='"'
   Fail: (216) [system] 'D'='"'
   Call: (216) [system] 'D'=!
   Fail: (216) [system] 'D'=!
   Call: (216) [system] 'D'='\''
   Fail: (216) [system] 'D'='\''
   Call: (216) [system] 'D'='`'
   Fail: (216) [system] 'D'='`'
   Call: (216) [system] 'D'=end_of_file
   Fail: (216) [system] 'D'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x55772f068e50), 'D', _297098)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _332608)
   Call: (218) [system] peek_char((0x55772f068e50), _333542)
   Exit: (218) [system] peek_char((0x55772f068e50), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_338262, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_339194, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x55772f068e50), i)
   Exit: (218) [system] get_char((0x55772f068e50), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _346544)
   Call: (219) [system] peek_char((0x55772f068e50), _347478)
   Exit: (219) [system] peek_char((0x55772f068e50), s)
^  Call: (219) [user] is_delimiter(s)
   Call: (220) [system] char_type(s, space)
   Fail: (220) [system] char_type(s, space)
   Call: (220) [system] arg(_352198, v('(', ')', end_of_file), s)
   Fail: (220) [system] arg(_353130, v('(', ')', end_of_file), s)
^  Fail: (219) [user] is_delimiter(s)
   Call: (219) [system] ')'==s
   Fail: (219) [system] ')'==s
   Call: (219) [system] get_char((0x55772f068e50), s)
   Exit: (219) [system] get_char((0x55772f068e50), s)
   Call: (219) [system] s=(\)
   Fail: (219) [system] s=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _360480)
   Call: (220) [system] peek_char((0x55772f068e50), _361414)
   Exit: (220) [system] peek_char((0x55772f068e50), j)
^  Call: (220) [user] is_delimiter(j)
   Call: (221) [system] char_type(j, space)
   Fail: (221) [system] char_type(j, space)
   Call: (221) [system] arg(_366134, v('(', ')', end_of_file), j)
   Fail: (221) [system] arg(_367066, v('(', ')', end_of_file), j)
^  Fail: (220) [user] is_delimiter(j)
   Call: (220) [system] ')'==j
   Fail: (220) [system] ')'==j
   Call: (220) [system] get_char((0x55772f068e50), j)
   Exit: (220) [system] get_char((0x55772f068e50), j)
   Call: (220) [system] j=(\)
   Fail: (220) [system] j=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _374416)
   Call: (221) [system] peek_char((0x55772f068e50), _375350)
   Exit: (221) [system] peek_char((0x55772f068e50), u)
^  Call: (221) [user] is_delimiter(u)
   Call: (222) [system] char_type(u, space)
   Fail: (222) [system] char_type(u, space)
   Call: (222) [system] arg(_380070, v('(', ')', end_of_file), u)
   Fail: (222) [system] arg(_381002, v('(', ')', end_of_file), u)
^  Fail: (221) [user] is_delimiter(u)
   Call: (221) [system] ')'==u
   Fail: (221) [system] ')'==u
   Call: (221) [system] get_char((0x55772f068e50), u)
   Exit: (221) [system] get_char((0x55772f068e50), u)
   Call: (221) [system] u=(\)
   Fail: (221) [system] u=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _388352)
   Call: (222) [system] peek_char((0x55772f068e50), _389286)
   Exit: (222) [system] peek_char((0x55772f068e50), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_394006, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_394938, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x55772f068e50), n)
   Exit: (222) [system] get_char((0x55772f068e50), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _402288)
   Call: (223) [system] peek_char((0x55772f068e50), _403222)
   Exit: (223) [system] peek_char((0x55772f068e50), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_407942, v('(', ')', end_of_file), c)
   Fail: (224) [system] arg(_408874, v('(', ')', end_of_file), c)
^  Fail: (223) [user] is_delimiter(c)
   Call: (223) [system] ')'==c
   Fail: (223) [system] ')'==c
   Call: (223) [system] get_char((0x55772f068e50), c)
   Exit: (223) [system] get_char((0x55772f068e50), c)
   Call: (223) [system] c=(\)
   Fail: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _416224)
   Call: (224) [system] peek_char((0x55772f068e50), _417158)
   Exit: (224) [system] peek_char((0x55772f068e50), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_421878, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_422810, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x55772f068e50), t)
   Exit: (224) [system] get_char((0x55772f068e50), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _430160)
   Call: (225) [system] peek_char((0x55772f068e50), _431094)
   Exit: (225) [system] peek_char((0x55772f068e50), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_435814, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_436746, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x55772f068e50), i)
   Exit: (225) [system] get_char((0x55772f068e50), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _444096)
   Call: (226) [system] peek_char((0x55772f068e50), _445030)
   Exit: (226) [system] peek_char((0x55772f068e50), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_449750, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_450682, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x55772f068e50), o)
   Exit: (226) [system] get_char((0x55772f068e50), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _458032)
   Call: (227) [system] peek_char((0x55772f068e50), _458966)
   Exit: (227) [system] peek_char((0x55772f068e50), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_463686, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_464618, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x55772f068e50), n)
   Exit: (227) [system] get_char((0x55772f068e50), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _471968)
   Call: (228) [system] peek_char((0x55772f068e50), _472902)
   Exit: (228) [system] peek_char((0x55772f068e50), 'I')
^  Call: (228) [user] is_delimiter('I')
   Call: (229) [system] char_type('I', space)
   Fail: (229) [system] char_type('I', space)
   Call: (229) [system] arg(_477622, v('(', ')', end_of_file), 'I')
   Fail: (229) [system] arg(_478554, v('(', ')', end_of_file), 'I')
^  Fail: (228) [user] is_delimiter('I')
   Call: (228) [system] ')'=='I'
   Fail: (228) [system] ')'=='I'
   Call: (228) [system] get_char((0x55772f068e50), 'I')
   Exit: (228) [system] get_char((0x55772f068e50), 'I')
   Call: (228) [system] 'I'=(\)
   Fail: (228) [system] 'I'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _485904)
   Call: (229) [system] peek_char((0x55772f068e50), _486838)
   Exit: (229) [system] peek_char((0x55772f068e50), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_491558, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_492490, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x55772f068e50), n)
   Exit: (229) [system] get_char((0x55772f068e50), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _499840)
   Call: (230) [system] peek_char((0x55772f068e50), _500774)
   Exit: (230) [system] peek_char((0x55772f068e50), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_505494, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_506426, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x55772f068e50), t)
   Exit: (230) [system] get_char((0x55772f068e50), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _513776)
   Call: (231) [system] peek_char((0x55772f068e50), _514710)
   Exit: (231) [system] peek_char((0x55772f068e50), r)
^  Call: (231) [user] is_delimiter(r)
   Call: (232) [system] char_type(r, space)
   Fail: (232) [system] char_type(r, space)
   Call: (232) [system] arg(_519430, v('(', ')', end_of_file), r)
   Fail: (232) [system] arg(_520362, v('(', ')', end_of_file), r)
^  Fail: (231) [user] is_delimiter(r)
   Call: (231) [system] ')'==r
   Fail: (231) [system] ')'==r
   Call: (231) [system] get_char((0x55772f068e50), r)
   Exit: (231) [system] get_char((0x55772f068e50), r)
   Call: (231) [system] r=(\)
   Fail: (231) [system] r=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _527712)
   Call: (232) [system] peek_char((0x55772f068e50), _528646)
   Exit: (232) [system] peek_char((0x55772f068e50), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_533366, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_534298, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x55772f068e50), o)
   Exit: (232) [system] get_char((0x55772f068e50), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _541648)
   Call: (233) [system] peek_char((0x55772f068e50), _542582)
   Exit: (233) [system] peek_char((0x55772f068e50), d)
^  Call: (233) [user] is_delimiter(d)
   Call: (234) [system] char_type(d, space)
   Fail: (234) [system] char_type(d, space)
   Call: (234) [system] arg(_547302, v('(', ')', end_of_file), d)
   Fail: (234) [system] arg(_548234, v('(', ')', end_of_file), d)
^  Fail: (233) [user] is_delimiter(d)
   Call: (233) [system] ')'==d
   Fail: (233) [system] ')'==d
   Call: (233) [system] get_char((0x55772f068e50), d)
   Exit: (233) [system] get_char((0x55772f068e50), d)
   Call: (233) [system] d=(\)
   Fail: (233) [system] d=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _555584)
   Call: (234) [system] peek_char((0x55772f068e50), _556518)
   Exit: (234) [system] peek_char((0x55772f068e50), u)
^  Call: (234) [user] is_delimiter(u)
   Call: (235) [system] char_type(u, space)
   Fail: (235) [system] char_type(u, space)
   Call: (235) [system] arg(_561238, v('(', ')', end_of_file), u)
   Fail: (235) [system] arg(_562170, v('(', ')', end_of_file), u)
^  Fail: (234) [user] is_delimiter(u)
   Call: (234) [system] ')'==u
   Fail: (234) [system] ')'==u
   Call: (234) [system] get_char((0x55772f068e50), u)
   Exit: (234) [system] get_char((0x55772f068e50), u)
   Call: (234) [system] u=(\)
   Fail: (234) [system] u=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _569520)
   Call: (235) [system] peek_char((0x55772f068e50), _570454)
   Exit: (235) [system] peek_char((0x55772f068e50), c)
^  Call: (235) [user] is_delimiter(c)
   Call: (236) [system] char_type(c, space)
   Fail: (236) [system] char_type(c, space)
   Call: (236) [system] arg(_575174, v('(', ')', end_of_file), c)
   Fail: (236) [system] arg(_576106, v('(', ')', end_of_file), c)
^  Fail: (235) [user] is_delimiter(c)
   Call: (235) [system] ')'==c
   Fail: (235) [system] ')'==c
   Call: (235) [system] get_char((0x55772f068e50), c)
   Exit: (235) [system] get_char((0x55772f068e50), c)
   Call: (235) [system] c=(\)
   Fail: (235) [system] c=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _583456)
   Call: (236) [system] peek_char((0x55772f068e50), _584390)
   Exit: (236) [system] peek_char((0x55772f068e50), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Fail: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_589110, v('(', ')', end_of_file), t)
   Fail: (237) [system] arg(_590042, v('(', ')', end_of_file), t)
^  Fail: (236) [user] is_delimiter(t)
   Call: (236) [system] ')'==t
   Fail: (236) [system] ')'==t
   Call: (236) [system] get_char((0x55772f068e50), t)
   Exit: (236) [system] get_char((0x55772f068e50), t)
   Call: (236) [system] t=(\)
   Fail: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _597392)
   Call: (237) [system] peek_char((0x55772f068e50), _598326)
   Exit: (237) [system] peek_char((0x55772f068e50), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Fail: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_603046, v('(', ')', end_of_file), i)
   Fail: (238) [system] arg(_603978, v('(', ')', end_of_file), i)
^  Fail: (237) [user] is_delimiter(i)
   Call: (237) [system] ')'==i
   Fail: (237) [system] ')'==i
   Call: (237) [system] get_char((0x55772f068e50), i)
   Exit: (237) [system] get_char((0x55772f068e50), i)
   Call: (237) [system] i=(\)
   Fail: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _611328)
   Call: (238) [system] peek_char((0x55772f068e50), _612262)
   Exit: (238) [system] peek_char((0x55772f068e50), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Fail: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_616982, v('(', ')', end_of_file), o)
   Fail: (239) [system] arg(_617914, v('(', ')', end_of_file), o)
^  Fail: (238) [user] is_delimiter(o)
   Call: (238) [system] ')'==o
   Fail: (238) [system] ')'==o
   Call: (238) [system] get_char((0x55772f068e50), o)
   Exit: (238) [system] get_char((0x55772f068e50), o)
   Call: (238) [system] o=(\)
   Fail: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _625264)
   Call: (239) [system] peek_char((0x55772f068e50), _626198)
   Exit: (239) [system] peek_char((0x55772f068e50), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Fail: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_630918, v('(', ')', end_of_file), n)
   Fail: (240) [system] arg(_631850, v('(', ')', end_of_file), n)
^  Fail: (239) [user] is_delimiter(n)
   Call: (239) [system] ')'==n
   Fail: (239) [system] ')'==n
   Call: (239) [system] get_char((0x55772f068e50), n)
   Exit: (239) [system] get_char((0x55772f068e50), n)
   Call: (239) [system] n=(\)
   Fail: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _639200)
   Call: (240) [system] peek_char((0x55772f068e50), _640134)
   Exit: (240) [system] peek_char((0x55772f068e50), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _639200=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (239) [system] _625264=[n]
   Exit: (239) [system] [n]=[n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (238) [system] _611328=[o, n]
   Exit: (238) [system] [o, n]=[o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (237) [system] _597392=[i, o, n]
   Exit: (237) [system] [i, o, n]=[i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (236) [system] _583456=[t, i, o, n]
   Exit: (236) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (235) [system] _569520=[c, t, i, o, n]
   Exit: (235) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (234) [system] _555584=[u, c, t, i, o, n]
   Exit: (234) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (233) [system] _541648=[d, u, c, t, i, o, n]
   Exit: (233) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (232) [system] _527712=[o, d, u, c, t, i, o, n]
   Exit: (232) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (231) [system] _513776=[r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _499840=[t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _485904=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _471968=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _458032=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _444096=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _430160=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _416224=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _402288=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _388352=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _374416=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _360480=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _346544=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _332608=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (217) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _297098)
^  Call: (218) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _710886)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_711838, _711840), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _710886), _711820, fail)), '$restore_trace'(_711838, _711840))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_711838, _711840))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _710886), _711820, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_710886)
   Fail: (219) [system] atomic(_710886)
   Call: (219) [system] atom_chars(_710886, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (219) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (218) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (218) [system] integer('DisjunctionIntroduction')
   Fail: (218) [system] integer('DisjunctionIntroduction')
   Call: (218) [system] _297098='DisjunctionIntroduction'
   Exit: (218) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (217) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (216) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (215) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (215) [user] read_list(')', (0x55772f068e50), _725836)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _727694)
   Exit: (217) [system] peek_char((0x55772f068e50), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x55772f068e50), _737288)
   Exit: (217) [system] get_char((0x55772f068e50), ' ')
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _739992)
   Exit: (218) [system] peek_char((0x55772f068e50), a)
   Call: (218) [system] a=(;)
   Fail: (218) [system] a=(;)
   Call: (218) [system] a=(/)
   Fail: (218) [system] a=(/)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Fail: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Fail: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
   Fail: (219) [system] char_type(a, cntrl)
^  Fail: (218) [user] is_like_space(a)
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _756926)
   Exit: (216) [system] peek_char((0x55772f068e50), a)
   Call: (216) [system] a=')'
   Fail: (216) [system] a=')'
   Call: (216) [system] a=end_of_file
   Fail: (216) [system] a=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x55772f068e50), _762496)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _764354)
   Exit: (218) [system] peek_char((0x55772f068e50), a)
   Call: (218) [system] a=(;)
   Fail: (218) [system] a=(;)
   Call: (218) [system] a=(/)
   Fail: (218) [system] a=(/)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Fail: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Fail: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
   Fail: (219) [system] char_type(a, cntrl)
^  Fail: (218) [user] is_like_space(a)
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] get_char((0x55772f068e50), _780364)
   Exit: (217) [system] get_char((0x55772f068e50), a)
   Call: (217) [system] a='('
   Fail: (217) [system] a='('
   Call: (217) [system] a='['
   Fail: (217) [system] a='['
   Call: (217) [system] a='{'
   Fail: (217) [system] a='{'
   Call: (217) [system] a='"'
   Fail: (217) [system] a='"'
   Call: (217) [system] a=!
   Fail: (217) [system] a=!
   Call: (217) [system] a='\''
   Fail: (217) [system] a='\''
   Call: (217) [system] a='`'
   Fail: (217) [system] a='`'
   Call: (217) [system] a=end_of_file
   Fail: (217) [system] a=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x55772f068e50), a, _762496)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _798006)
   Call: (219) [system] peek_char((0x55772f068e50), _798940)
   Exit: (219) [system] peek_char((0x55772f068e50), b)
^  Call: (219) [user] is_delimiter(b)
   Call: (220) [system] char_type(b, space)
   Fail: (220) [system] char_type(b, space)
   Call: (220) [system] arg(_803660, v('(', ')', end_of_file), b)
   Fail: (220) [system] arg(_804592, v('(', ')', end_of_file), b)
^  Fail: (219) [user] is_delimiter(b)
   Call: (219) [system] ')'==b
   Fail: (219) [system] ')'==b
   Call: (219) [system] get_char((0x55772f068e50), b)
   Exit: (219) [system] get_char((0x55772f068e50), b)
   Call: (219) [system] b=(\)
   Fail: (219) [system] b=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _811942)
   Call: (220) [system] peek_char((0x55772f068e50), _812876)
   Exit: (220) [system] peek_char((0x55772f068e50), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_817596, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_818528, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x55772f068e50), c)
   Exit: (220) [system] get_char((0x55772f068e50), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _825878)
   Call: (221) [system] peek_char((0x55772f068e50), _826812)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _825878=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (220) [system] _811942=[c]
   Exit: (220) [system] [c]=[c]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (219) [system] _798006=[b, c]
   Exit: (219) [system] [b, c]=[b, c]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (218) [user] classify_and_convert_charseq([a, b, c], _762496)
^  Call: (219) [user] classify_and_convert_charseq_([a, b, c], _841684)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_842636, _842638), once(user:catch(read_from_chars([a, b, c], _841684), _842618, fail)), '$restore_trace'(_842636, _842638))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_842636, _842638))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _842618, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(abc)
   Exit: (220) [system] atomic(abc)
^  Exit: (219) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (219) [system] integer(abc)
   Fail: (219) [system] integer(abc)
   Call: (219) [system] _762496=abc
   Exit: (219) [system] abc=abc
^  Exit: (218) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (217) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (216) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (216) [user] read_list(')', (0x55772f068e50), _854764)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _856622)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x55772f068e50), _866216)
   Exit: (218) [system] get_char((0x55772f068e50), ' ')
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _868920)
   Exit: (219) [system] peek_char((0x55772f068e50), a)
   Call: (219) [system] a=(;)
   Fail: (219) [system] a=(;)
   Call: (219) [system] a=(/)
   Fail: (219) [system] a=(/)
^  Call: (219) [user] is_like_space(a)
   Call: (220) [system] char_type(a, 'white')
   Fail: (220) [system] char_type(a, 'white')
   Call: (220) [system] char_type(a, end_of_line)
   Fail: (220) [system] char_type(a, end_of_line)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] char_type(a, cntrl)
   Fail: (220) [system] char_type(a, cntrl)
^  Fail: (219) [user] is_like_space(a)
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _885854)
   Exit: (217) [system] peek_char((0x55772f068e50), a)
   Call: (217) [system] a=')'
   Fail: (217) [system] a=')'
   Call: (217) [system] a=end_of_file
   Fail: (217) [system] a=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _891424)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _893282)
   Exit: (219) [system] peek_char((0x55772f068e50), a)
   Call: (219) [system] a=(;)
   Fail: (219) [system] a=(;)
   Call: (219) [system] a=(/)
   Fail: (219) [system] a=(/)
^  Call: (219) [user] is_like_space(a)
   Call: (220) [system] char_type(a, 'white')
   Fail: (220) [system] char_type(a, 'white')
   Call: (220) [system] char_type(a, end_of_line)
   Fail: (220) [system] char_type(a, end_of_line)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] char_type(a, cntrl)
   Fail: (220) [system] char_type(a, cntrl)
^  Fail: (219) [user] is_like_space(a)
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _909292)
   Exit: (218) [system] get_char((0x55772f068e50), a)
   Call: (218) [system] a='('
   Fail: (218) [system] a='('
   Call: (218) [system] a='['
   Fail: (218) [system] a='['
   Call: (218) [system] a='{'
   Fail: (218) [system] a='{'
   Call: (218) [system] a='"'
   Fail: (218) [system] a='"'
   Call: (218) [system] a=!
   Fail: (218) [system] a=!
   Call: (218) [system] a='\''
   Fail: (218) [system] a='\''
   Call: (218) [system] a='`'
   Fail: (218) [system] a='`'
   Call: (218) [system] a=end_of_file
   Fail: (218) [system] a=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x55772f068e50), a, _891424)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _926934)
   Call: (220) [system] peek_char((0x55772f068e50), _927868)
   Exit: (220) [system] peek_char((0x55772f068e50), ')')
^  Call: (220) [user] is_delimiter(')')
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] arg(_932588, v('(', ')', end_of_file), ')')
   Exit: (221) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (220) [user] is_delimiter(')')
   Call: (220) [system] _926934=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (219) [user] classify_and_convert_charseq([a], _891424)
^  Call: (220) [user] classify_and_convert_charseq_([a], _939024)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_939976, _939978), once(user:catch(read_from_chars([a], _939024), _939958, fail)), '$restore_trace'(_939976, _939978))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_939976, _939978))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _939958, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(a)
   Exit: (221) [system] atomic(a)
^  Exit: (220) [user] classify_and_convert_charseq_([a], a)
   Call: (220) [system] integer(a)
   Fail: (220) [system] integer(a)
   Call: (220) [system] _891424=a
   Exit: (220) [system] a=a
^  Exit: (219) [user] classify_and_convert_charseq([a], a)
^  Exit: (218) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (217) [user] read_list(')', (0x55772f068e50), _952104)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _953962)
   Exit: (219) [system] peek_char((0x55772f068e50), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
   Call: (219) [system] ')'=(/)
   Fail: (219) [system] ')'=(/)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _969972)
   Exit: (218) [system] peek_char((0x55772f068e50), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x55772f068e50), _973762)
   Exit: (218) [system] get_char((0x55772f068e50), ')')
   Call: (218) [system] _952104=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x55772f068e50), [])
   Call: (217) [system] _854764=[a]
   Exit: (217) [system] [a]=[a]
^  Exit: (216) [user] read_list(')', (0x55772f068e50), [a])
   Call: (216) [system] _725836=[abc, a]
   Exit: (216) [system] [abc, a]=[abc, a]
^  Exit: (215) [user] read_list(')', (0x55772f068e50), [abc, a])
   Call: (215) [system] _252080=['DisjunctionIntroduction', abc, a]
   Exit: (215) [system] ['DisjunctionIntroduction', abc, a]=['DisjunctionIntroduction', abc, a]
^  Exit: (214) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, a])
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, a])
^  Call: (213) [user] read_list(')', (0x55772f068e50), _987644)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _989502)
   Exit: (215) [system] peek_char((0x55772f068e50), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1005512)
   Exit: (214) [system] peek_char((0x55772f068e50), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x55772f068e50), _1009302)
   Exit: (214) [system] get_char((0x55772f068e50), ')')
   Call: (214) [system] _987644=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x55772f068e50), [])
   Call: (213) [system] _215420=[['DisjunctionIntroduction', abc, a]]
   Exit: (213) [system] [['DisjunctionIntroduction', abc, a]]=[['DisjunctionIntroduction', abc, a]]
^  Exit: (212) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', abc, a]])
   Call: (212) [system] _86492=[abc, ['DisjunctionIntroduction', abc, a]]
   Exit: (212) [system] [abc, ['DisjunctionIntroduction', abc, a]]=[abc, ['DisjunctionIntroduction', abc, a]]
^  Exit: (211) [user] read_list(')', (0x55772f068e50), [abc, ['DisjunctionIntroduction', abc, a]])
   Call: (211) [system] _4700=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]]
   Exit: (211) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]]
^  Exit: (210) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]])
^  Exit: (209) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]])
^  Call: (209) [user] read_list(')', (0x55772f068e50), _1023184)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1025042)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x55772f068e50), _1034636)
   Exit: (211) [system] get_char((0x55772f068e50), ' ')
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1037340)
   Exit: (212) [system] peek_char((0x55772f068e50), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1054274)
   Exit: (210) [system] peek_char((0x55772f068e50), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x55772f068e50), _1059844)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1061702)
   Exit: (212) [system] peek_char((0x55772f068e50), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] get_char((0x55772f068e50), _1077712)
   Exit: (211) [system] get_char((0x55772f068e50), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x55772f068e50), _1059844)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1083282)
   Exit: (213) [system] peek_char((0x55772f068e50), 'O')
   Call: (213) [system] 'O'=(;)
   Fail: (213) [system] 'O'=(;)
   Call: (213) [system] 'O'=(/)
   Fail: (213) [system] 'O'=(/)
^  Call: (213) [user] is_like_space('O')
   Call: (214) [system] char_type('O', 'white')
   Fail: (214) [system] char_type('O', 'white')
   Call: (214) [system] char_type('O', end_of_line)
   Fail: (214) [system] char_type('O', end_of_line)
   Call: (214) [system] char_type('O', space)
   Fail: (214) [system] char_type('O', space)
   Call: (214) [system] char_type('O', cntrl)
   Fail: (214) [system] char_type('O', cntrl)
^  Fail: (213) [user] is_like_space('O')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1099292)
   Exit: (212) [system] peek_char((0x55772f068e50), 'O')
   Call: (212) [system] 'O'=')'
   Fail: (212) [system] 'O'=')'
   Call: (212) [system] 'O'=end_of_file
   Fail: (212) [system] 'O'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x55772f068e50), _1104862)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1106720)
   Exit: (214) [system] peek_char((0x55772f068e50), 'O')
   Call: (214) [system] 'O'=(;)
   Fail: (214) [system] 'O'=(;)
   Call: (214) [system] 'O'=(/)
   Fail: (214) [system] 'O'=(/)
^  Call: (214) [user] is_like_space('O')
   Call: (215) [system] char_type('O', 'white')
   Fail: (215) [system] char_type('O', 'white')
   Call: (215) [system] char_type('O', end_of_line)
   Fail: (215) [system] char_type('O', end_of_line)
   Call: (215) [system] char_type('O', space)
   Fail: (215) [system] char_type('O', space)
   Call: (215) [system] char_type('O', cntrl)
   Fail: (215) [system] char_type('O', cntrl)
^  Fail: (214) [user] is_like_space('O')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] get_char((0x55772f068e50), _1122730)
   Exit: (213) [system] get_char((0x55772f068e50), 'O')
   Call: (213) [system] 'O'='('
   Fail: (213) [system] 'O'='('
   Call: (213) [system] 'O'='['
   Fail: (213) [system] 'O'='['
   Call: (213) [system] 'O'='{'
   Fail: (213) [system] 'O'='{'
   Call: (213) [system] 'O'='"'
   Fail: (213) [system] 'O'='"'
   Call: (213) [system] 'O'=!
   Fail: (213) [system] 'O'=!
   Call: (213) [system] 'O'='\''
   Fail: (213) [system] 'O'='\''
   Call: (213) [system] 'O'='`'
   Fail: (213) [system] 'O'='`'
   Call: (213) [system] 'O'=end_of_file
   Fail: (213) [system] 'O'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x55772f068e50), 'O', _1104862)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1140372)
   Call: (215) [system] peek_char((0x55772f068e50), _1141306)
   Exit: (215) [system] peek_char((0x55772f068e50), r)
^  Call: (215) [user] is_delimiter(r)
   Call: (216) [system] char_type(r, space)
   Fail: (216) [system] char_type(r, space)
   Call: (216) [system] arg(_1146026, v('(', ')', end_of_file), r)
   Fail: (216) [system] arg(_1146958, v('(', ')', end_of_file), r)
^  Fail: (215) [user] is_delimiter(r)
   Call: (215) [system] ')'==r
   Fail: (215) [system] ')'==r
   Call: (215) [system] get_char((0x55772f068e50), r)
   Exit: (215) [system] get_char((0x55772f068e50), r)
   Call: (215) [system] r=(\)
   Fail: (215) [system] r=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1154308)
   Call: (216) [system] peek_char((0x55772f068e50), _1155242)
   Exit: (216) [system] peek_char((0x55772f068e50), 'L')
^  Call: (216) [user] is_delimiter('L')
   Call: (217) [system] char_type('L', space)
   Fail: (217) [system] char_type('L', space)
   Call: (217) [system] arg(_1159962, v('(', ')', end_of_file), 'L')
   Fail: (217) [system] arg(_1160894, v('(', ')', end_of_file), 'L')
^  Fail: (216) [user] is_delimiter('L')
   Call: (216) [system] ')'=='L'
   Fail: (216) [system] ')'=='L'
   Call: (216) [system] get_char((0x55772f068e50), 'L')
   Exit: (216) [system] get_char((0x55772f068e50), 'L')
   Call: (216) [system] 'L'=(\)
   Fail: (216) [system] 'L'=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1168244)
   Call: (217) [system] peek_char((0x55772f068e50), _1169178)
   Exit: (217) [system] peek_char((0x55772f068e50), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1173898, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1174830, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x55772f068e50), i)
   Exit: (217) [system] get_char((0x55772f068e50), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1182180)
   Call: (218) [system] peek_char((0x55772f068e50), _1183114)
   Exit: (218) [system] peek_char((0x55772f068e50), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1187834, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_1188766, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x55772f068e50), n)
   Exit: (218) [system] get_char((0x55772f068e50), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1196116)
   Call: (219) [system] peek_char((0x55772f068e50), _1197050)
   Exit: (219) [system] peek_char((0x55772f068e50), k)
^  Call: (219) [user] is_delimiter(k)
   Call: (220) [system] char_type(k, space)
   Fail: (220) [system] char_type(k, space)
   Call: (220) [system] arg(_1201770, v('(', ')', end_of_file), k)
   Fail: (220) [system] arg(_1202702, v('(', ')', end_of_file), k)
^  Fail: (219) [user] is_delimiter(k)
   Call: (219) [system] ')'==k
   Fail: (219) [system] ')'==k
   Call: (219) [system] get_char((0x55772f068e50), k)
   Exit: (219) [system] get_char((0x55772f068e50), k)
   Call: (219) [system] k=(\)
   Fail: (219) [system] k=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1210052)
   Call: (220) [system] peek_char((0x55772f068e50), _1210986)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _1210052=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (219) [system] _1196116=[k]
   Exit: (219) [system] [k]=[k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (218) [system] _1182180=[n, k]
   Exit: (218) [system] [n, k]=[n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (217) [system] _1168244=[i, n, k]
   Exit: (217) [system] [i, n, k]=[i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (216) [system] _1154308=['L', i, n, k]
   Exit: (216) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (215) [system] _1140372=[r, 'L', i, n, k]
   Exit: (215) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (214) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1104862)
^  Call: (215) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1234240)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1235192, _1235194), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1234240), _1235174, fail)), '$restore_trace'(_1235192, _1235194))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1235192, _1235194))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1234240), _1235174, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1234240)
   Fail: (216) [system] atomic(_1234240)
   Call: (216) [system] atom_chars(_1234240, ['O', r, 'L', i, n, k])
   Exit: (216) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (215) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (215) [system] integer('OrLink')
   Fail: (215) [system] integer('OrLink')
   Call: (215) [system] _1104862='OrLink'
   Exit: (215) [system] 'OrLink'='OrLink'
^  Exit: (214) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (213) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (212) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (212) [user] read_list(')', (0x55772f068e50), _1249190)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1251048)
   Exit: (214) [system] peek_char((0x55772f068e50), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x55772f068e50), _1260642)
   Exit: (214) [system] get_char((0x55772f068e50), ' ')
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1263346)
   Exit: (215) [system] peek_char((0x55772f068e50), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1280280)
   Exit: (213) [system] peek_char((0x55772f068e50), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _1285850)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1287708)
   Exit: (215) [system] peek_char((0x55772f068e50), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _1303718)
   Exit: (214) [system] get_char((0x55772f068e50), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x55772f068e50), _1285850)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1309288)
   Exit: (216) [system] peek_char((0x55772f068e50), 'I')
   Call: (216) [system] 'I'=(;)
   Fail: (216) [system] 'I'=(;)
   Call: (216) [system] 'I'=(/)
   Fail: (216) [system] 'I'=(/)
^  Call: (216) [user] is_like_space('I')
   Call: (217) [system] char_type('I', 'white')
   Fail: (217) [system] char_type('I', 'white')
   Call: (217) [system] char_type('I', end_of_line)
   Fail: (217) [system] char_type('I', end_of_line)
   Call: (217) [system] char_type('I', space)
   Fail: (217) [system] char_type('I', space)
   Call: (217) [system] char_type('I', cntrl)
   Fail: (217) [system] char_type('I', cntrl)
^  Fail: (216) [user] is_like_space('I')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1325298)
   Exit: (215) [system] peek_char((0x55772f068e50), 'I')
   Call: (215) [system] 'I'=')'
   Fail: (215) [system] 'I'=')'
   Call: (215) [system] 'I'=end_of_file
   Fail: (215) [system] 'I'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x55772f068e50), _1330868)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1332726)
   Exit: (217) [system] peek_char((0x55772f068e50), 'I')
   Call: (217) [system] 'I'=(;)
   Fail: (217) [system] 'I'=(;)
   Call: (217) [system] 'I'=(/)
   Fail: (217) [system] 'I'=(/)
^  Call: (217) [user] is_like_space('I')
   Call: (218) [system] char_type('I', 'white')
   Fail: (218) [system] char_type('I', 'white')
   Call: (218) [system] char_type('I', end_of_line)
   Fail: (218) [system] char_type('I', end_of_line)
   Call: (218) [system] char_type('I', space)
   Fail: (218) [system] char_type('I', space)
   Call: (218) [system] char_type('I', cntrl)
   Fail: (218) [system] char_type('I', cntrl)
^  Fail: (217) [user] is_like_space('I')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] get_char((0x55772f068e50), _1348736)
   Exit: (216) [system] get_char((0x55772f068e50), 'I')
   Call: (216) [system] 'I'='('
   Fail: (216) [system] 'I'='('
   Call: (216) [system] 'I'='['
   Fail: (216) [system] 'I'='['
   Call: (216) [system] 'I'='{'
   Fail: (216) [system] 'I'='{'
   Call: (216) [system] 'I'='"'
   Fail: (216) [system] 'I'='"'
   Call: (216) [system] 'I'=!
   Fail: (216) [system] 'I'=!
   Call: (216) [system] 'I'='\''
   Fail: (216) [system] 'I'='\''
   Call: (216) [system] 'I'='`'
   Fail: (216) [system] 'I'='`'
   Call: (216) [system] 'I'=end_of_file
   Fail: (216) [system] 'I'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x55772f068e50), 'I', _1330868)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1366378)
   Call: (218) [system] peek_char((0x55772f068e50), _1367312)
   Exit: (218) [system] peek_char((0x55772f068e50), m)
^  Call: (218) [user] is_delimiter(m)
   Call: (219) [system] char_type(m, space)
   Fail: (219) [system] char_type(m, space)
   Call: (219) [system] arg(_1372032, v('(', ')', end_of_file), m)
   Fail: (219) [system] arg(_1372964, v('(', ')', end_of_file), m)
^  Fail: (218) [user] is_delimiter(m)
   Call: (218) [system] ')'==m
   Fail: (218) [system] ')'==m
   Call: (218) [system] get_char((0x55772f068e50), m)
   Exit: (218) [system] get_char((0x55772f068e50), m)
   Call: (218) [system] m=(\)
   Fail: (218) [system] m=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1380314)
   Call: (219) [system] peek_char((0x55772f068e50), _1381248)
   Exit: (219) [system] peek_char((0x55772f068e50), p)
^  Call: (219) [user] is_delimiter(p)
   Call: (220) [system] char_type(p, space)
   Fail: (220) [system] char_type(p, space)
   Call: (220) [system] arg(_1385968, v('(', ')', end_of_file), p)
   Fail: (220) [system] arg(_1386900, v('(', ')', end_of_file), p)
^  Fail: (219) [user] is_delimiter(p)
   Call: (219) [system] ')'==p
   Fail: (219) [system] ')'==p
   Call: (219) [system] get_char((0x55772f068e50), p)
   Exit: (219) [system] get_char((0x55772f068e50), p)
   Call: (219) [system] p=(\)
   Fail: (219) [system] p=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1394250)
   Call: (220) [system] peek_char((0x55772f068e50), _1395184)
   Exit: (220) [system] peek_char((0x55772f068e50), l)
^  Call: (220) [user] is_delimiter(l)
   Call: (221) [system] char_type(l, space)
   Fail: (221) [system] char_type(l, space)
   Call: (221) [system] arg(_1399904, v('(', ')', end_of_file), l)
   Fail: (221) [system] arg(_1400836, v('(', ')', end_of_file), l)
^  Fail: (220) [user] is_delimiter(l)
   Call: (220) [system] ')'==l
   Fail: (220) [system] ')'==l
   Call: (220) [system] get_char((0x55772f068e50), l)
   Exit: (220) [system] get_char((0x55772f068e50), l)
   Call: (220) [system] l=(\)
   Fail: (220) [system] l=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1408186)
   Call: (221) [system] peek_char((0x55772f068e50), _1409120)
   Exit: (221) [system] peek_char((0x55772f068e50), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1413840, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1414772, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x55772f068e50), i)
   Exit: (221) [system] get_char((0x55772f068e50), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1422122)
   Call: (222) [system] peek_char((0x55772f068e50), _1423056)
   Exit: (222) [system] peek_char((0x55772f068e50), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_1427776, v('(', ')', end_of_file), c)
   Fail: (223) [system] arg(_1428708, v('(', ')', end_of_file), c)
^  Fail: (222) [user] is_delimiter(c)
   Call: (222) [system] ')'==c
   Fail: (222) [system] ')'==c
   Call: (222) [system] get_char((0x55772f068e50), c)
   Exit: (222) [system] get_char((0x55772f068e50), c)
   Call: (222) [system] c=(\)
   Fail: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1436058)
   Call: (223) [system] peek_char((0x55772f068e50), _1436992)
   Exit: (223) [system] peek_char((0x55772f068e50), a)
^  Call: (223) [user] is_delimiter(a)
   Call: (224) [system] char_type(a, space)
   Fail: (224) [system] char_type(a, space)
   Call: (224) [system] arg(_1441712, v('(', ')', end_of_file), a)
   Fail: (224) [system] arg(_1442644, v('(', ')', end_of_file), a)
^  Fail: (223) [user] is_delimiter(a)
   Call: (223) [system] ')'==a
   Fail: (223) [system] ')'==a
   Call: (223) [system] get_char((0x55772f068e50), a)
   Exit: (223) [system] get_char((0x55772f068e50), a)
   Call: (223) [system] a=(\)
   Fail: (223) [system] a=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1449994)
   Call: (224) [system] peek_char((0x55772f068e50), _1450928)
   Exit: (224) [system] peek_char((0x55772f068e50), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_1455648, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_1456580, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x55772f068e50), t)
   Exit: (224) [system] get_char((0x55772f068e50), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1463930)
   Call: (225) [system] peek_char((0x55772f068e50), _1464864)
   Exit: (225) [system] peek_char((0x55772f068e50), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1469584, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_1470516, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x55772f068e50), i)
   Exit: (225) [system] get_char((0x55772f068e50), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1477866)
   Call: (226) [system] peek_char((0x55772f068e50), _1478800)
   Exit: (226) [system] peek_char((0x55772f068e50), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_1483520, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_1484452, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x55772f068e50), o)
   Exit: (226) [system] get_char((0x55772f068e50), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1491802)
   Call: (227) [system] peek_char((0x55772f068e50), _1492736)
   Exit: (227) [system] peek_char((0x55772f068e50), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1497456, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_1498388, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x55772f068e50), n)
   Exit: (227) [system] get_char((0x55772f068e50), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1505738)
   Call: (228) [system] peek_char((0x55772f068e50), _1506672)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1505738=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (227) [system] _1491802=[n]
   Exit: (227) [system] [n]=[n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (226) [system] _1477866=[o, n]
   Exit: (226) [system] [o, n]=[o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (225) [system] _1463930=[i, o, n]
   Exit: (225) [system] [i, o, n]=[i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (224) [system] _1449994=[t, i, o, n]
   Exit: (224) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (223) [system] _1436058=[a, t, i, o, n]
   Exit: (223) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (222) [system] _1422122=[c, a, t, i, o, n]
   Exit: (222) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (221) [system] _1408186=[i, c, a, t, i, o, n]
   Exit: (221) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (220) [system] _1394250=[l, i, c, a, t, i, o, n]
   Exit: (220) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (219) [system] _1380314=[p, l, i, c, a, t, i, o, n]
   Exit: (219) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (218) [system] _1366378=[m, p, l, i, c, a, t, i, o, n]
   Exit: (218) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (217) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1330868)
^  Call: (218) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1543896)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1544848, _1544850), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1543896), _1544830, fail)), '$restore_trace'(_1544848, _1544850))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1544848, _1544850))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1543896), _1544830, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1543896)
   Fail: (219) [system] atomic(_1543896)
   Call: (219) [system] atom_chars(_1543896, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (219) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (218) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (218) [system] integer('Implication')
   Fail: (218) [system] integer('Implication')
   Call: (218) [system] _1330868='Implication'
   Exit: (218) [system] 'Implication'='Implication'
^  Exit: (217) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (216) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (215) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (215) [user] read_list(')', (0x55772f068e50), _1558846)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1560704)
   Exit: (217) [system] peek_char((0x55772f068e50), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x55772f068e50), _1570298)
   Exit: (217) [system] get_char((0x55772f068e50), ' ')
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1573002)
   Exit: (218) [system] peek_char((0x55772f068e50), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1589936)
   Exit: (216) [system] peek_char((0x55772f068e50), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x55772f068e50), _1595506)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1597364)
   Exit: (218) [system] peek_char((0x55772f068e50), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] get_char((0x55772f068e50), _1613374)
   Exit: (217) [system] get_char((0x55772f068e50), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x55772f068e50), _1595506)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1618944)
   Exit: (219) [system] peek_char((0x55772f068e50), 'A')
   Call: (219) [system] 'A'=(;)
   Fail: (219) [system] 'A'=(;)
   Call: (219) [system] 'A'=(/)
   Fail: (219) [system] 'A'=(/)
^  Call: (219) [user] is_like_space('A')
   Call: (220) [system] char_type('A', 'white')
   Fail: (220) [system] char_type('A', 'white')
   Call: (220) [system] char_type('A', end_of_line)
   Fail: (220) [system] char_type('A', end_of_line)
   Call: (220) [system] char_type('A', space)
   Fail: (220) [system] char_type('A', space)
   Call: (220) [system] char_type('A', cntrl)
   Fail: (220) [system] char_type('A', cntrl)
^  Fail: (219) [user] is_like_space('A')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1634954)
   Exit: (218) [system] peek_char((0x55772f068e50), 'A')
   Call: (218) [system] 'A'=')'
   Fail: (218) [system] 'A'=')'
   Call: (218) [system] 'A'=end_of_file
   Fail: (218) [system] 'A'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _1640524)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1642382)
   Exit: (220) [system] peek_char((0x55772f068e50), 'A')
   Call: (220) [system] 'A'=(;)
   Fail: (220) [system] 'A'=(;)
   Call: (220) [system] 'A'=(/)
   Fail: (220) [system] 'A'=(/)
^  Call: (220) [user] is_like_space('A')
   Call: (221) [system] char_type('A', 'white')
   Fail: (221) [system] char_type('A', 'white')
   Call: (221) [system] char_type('A', end_of_line)
   Fail: (221) [system] char_type('A', end_of_line)
   Call: (221) [system] char_type('A', space)
   Fail: (221) [system] char_type('A', space)
   Call: (221) [system] char_type('A', cntrl)
   Fail: (221) [system] char_type('A', cntrl)
^  Fail: (220) [user] is_like_space('A')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _1658392)
   Exit: (219) [system] get_char((0x55772f068e50), 'A')
   Call: (219) [system] 'A'='('
   Fail: (219) [system] 'A'='('
   Call: (219) [system] 'A'='['
   Fail: (219) [system] 'A'='['
   Call: (219) [system] 'A'='{'
   Fail: (219) [system] 'A'='{'
   Call: (219) [system] 'A'='"'
   Fail: (219) [system] 'A'='"'
   Call: (219) [system] 'A'=!
   Fail: (219) [system] 'A'=!
   Call: (219) [system] 'A'='\''
   Fail: (219) [system] 'A'='\''
   Call: (219) [system] 'A'='`'
   Fail: (219) [system] 'A'='`'
   Call: (219) [system] 'A'=end_of_file
   Fail: (219) [system] 'A'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x55772f068e50), 'A', _1640524)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1676034)
   Call: (221) [system] peek_char((0x55772f068e50), _1676968)
   Exit: (221) [system] peek_char((0x55772f068e50), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1681688, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1682620, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x55772f068e50), n)
   Exit: (221) [system] get_char((0x55772f068e50), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1689970)
   Call: (222) [system] peek_char((0x55772f068e50), _1690904)
   Exit: (222) [system] peek_char((0x55772f068e50), d)
^  Call: (222) [user] is_delimiter(d)
   Call: (223) [system] char_type(d, space)
   Fail: (223) [system] char_type(d, space)
   Call: (223) [system] arg(_1695624, v('(', ')', end_of_file), d)
   Fail: (223) [system] arg(_1696556, v('(', ')', end_of_file), d)
^  Fail: (222) [user] is_delimiter(d)
   Call: (222) [system] ')'==d
   Fail: (222) [system] ')'==d
   Call: (222) [system] get_char((0x55772f068e50), d)
   Exit: (222) [system] get_char((0x55772f068e50), d)
   Call: (222) [system] d=(\)
   Fail: (222) [system] d=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1703906)
   Call: (223) [system] peek_char((0x55772f068e50), _1704840)
   Exit: (223) [system] peek_char((0x55772f068e50), 'L')
^  Call: (223) [user] is_delimiter('L')
   Call: (224) [system] char_type('L', space)
   Fail: (224) [system] char_type('L', space)
   Call: (224) [system] arg(_1709560, v('(', ')', end_of_file), 'L')
   Fail: (224) [system] arg(_1710492, v('(', ')', end_of_file), 'L')
^  Fail: (223) [user] is_delimiter('L')
   Call: (223) [system] ')'=='L'
   Fail: (223) [system] ')'=='L'
   Call: (223) [system] get_char((0x55772f068e50), 'L')
   Exit: (223) [system] get_char((0x55772f068e50), 'L')
   Call: (223) [system] 'L'=(\)
   Fail: (223) [system] 'L'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1717842)
   Call: (224) [system] peek_char((0x55772f068e50), _1718776)
   Exit: (224) [system] peek_char((0x55772f068e50), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_1723496, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_1724428, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x55772f068e50), i)
   Exit: (224) [system] get_char((0x55772f068e50), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1731778)
   Call: (225) [system] peek_char((0x55772f068e50), _1732712)
   Exit: (225) [system] peek_char((0x55772f068e50), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1737432, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_1738364, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x55772f068e50), n)
   Exit: (225) [system] get_char((0x55772f068e50), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1745714)
   Call: (226) [system] peek_char((0x55772f068e50), _1746648)
   Exit: (226) [system] peek_char((0x55772f068e50), k)
^  Call: (226) [user] is_delimiter(k)
   Call: (227) [system] char_type(k, space)
   Fail: (227) [system] char_type(k, space)
   Call: (227) [system] arg(_1751368, v('(', ')', end_of_file), k)
   Fail: (227) [system] arg(_1752300, v('(', ')', end_of_file), k)
^  Fail: (226) [user] is_delimiter(k)
   Call: (226) [system] ')'==k
   Fail: (226) [system] ')'==k
   Call: (226) [system] get_char((0x55772f068e50), k)
   Exit: (226) [system] get_char((0x55772f068e50), k)
   Call: (226) [system] k=(\)
   Fail: (226) [system] k=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1759650)
   Call: (227) [system] peek_char((0x55772f068e50), _1760584)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1759650=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (226) [system] _1745714=[k]
   Exit: (226) [system] [k]=[k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (225) [system] _1731778=[n, k]
   Exit: (225) [system] [n, k]=[n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (224) [system] _1717842=[i, n, k]
   Exit: (224) [system] [i, n, k]=[i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (223) [system] _1703906=['L', i, n, k]
   Exit: (223) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (222) [system] _1689970=[d, 'L', i, n, k]
   Exit: (222) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (221) [system] _1676034=[n, d, 'L', i, n, k]
   Exit: (221) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (220) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1640524)
^  Call: (221) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1786632)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_1787584, _1787586), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1786632), _1787566, fail)), '$restore_trace'(_1787584, _1787586))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_1787584, _1787586))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1786632), _1787566, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_1786632)
   Fail: (222) [system] atomic(_1786632)
   Call: (222) [system] atom_chars(_1786632, ['A', n, d, 'L', i, n, k])
   Exit: (222) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (221) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (221) [system] integer('AndLink')
   Fail: (221) [system] integer('AndLink')
   Call: (221) [system] _1640524='AndLink'
   Exit: (221) [system] 'AndLink'='AndLink'
^  Exit: (220) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (219) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (218) [user] read_list(')', (0x55772f068e50), _1801582)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1803440)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x55772f068e50), _1813034)
   Exit: (220) [system] get_char((0x55772f068e50), ' ')
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1815738)
   Exit: (221) [system] peek_char((0x55772f068e50), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
   Call: (221) [system] 'A'=(/)
   Fail: (221) [system] 'A'=(/)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1832672)
   Exit: (219) [system] peek_char((0x55772f068e50), 'A')
   Call: (219) [system] 'A'=')'
   Fail: (219) [system] 'A'=')'
   Call: (219) [system] 'A'=end_of_file
   Fail: (219) [system] 'A'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _1838242)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1840100)
   Exit: (221) [system] peek_char((0x55772f068e50), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
   Call: (221) [system] 'A'=(/)
   Fail: (221) [system] 'A'=(/)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _1856110)
   Exit: (220) [system] get_char((0x55772f068e50), 'A')
   Call: (220) [system] 'A'='('
   Fail: (220) [system] 'A'='('
   Call: (220) [system] 'A'='['
   Fail: (220) [system] 'A'='['
   Call: (220) [system] 'A'='{'
   Fail: (220) [system] 'A'='{'
   Call: (220) [system] 'A'='"'
   Fail: (220) [system] 'A'='"'
   Call: (220) [system] 'A'=!
   Fail: (220) [system] 'A'=!
   Call: (220) [system] 'A'='\''
   Fail: (220) [system] 'A'='\''
   Call: (220) [system] 'A'='`'
   Fail: (220) [system] 'A'='`'
   Call: (220) [system] 'A'=end_of_file
   Fail: (220) [system] 'A'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x55772f068e50), 'A', _1838242)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1873752)
   Call: (222) [system] peek_char((0x55772f068e50), _1874686)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _1873752=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (221) [user] classify_and_convert_charseq(['A'], _1838242)
^  Call: (222) [user] classify_and_convert_charseq_(['A'], _1883970)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1884922, _1884924), once(user:catch(read_from_chars(['A'], _1883970), _1884904, fail)), '$restore_trace'(_1884922, _1884924))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1884922, _1884924))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1883970), _1884904, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1883970)
   Fail: (223) [system] atomic(_1883970)
   Call: (223) [system] atom_chars(_1883970, ['A'])
   Exit: (223) [system] atom_chars('A', ['A'])
^  Exit: (222) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (222) [system] integer('A')
   Fail: (222) [system] integer('A')
   Call: (222) [system] _1838242='A'
   Exit: (222) [system] 'A'='A'
^  Exit: (221) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (220) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (219) [user] read_list(')', (0x55772f068e50), _1898920)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1900778)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x55772f068e50), _1910372)
   Exit: (221) [system] get_char((0x55772f068e50), ' ')
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1913076)
   Exit: (222) [system] peek_char((0x55772f068e50), 'B')
   Call: (222) [system] 'B'=(;)
   Fail: (222) [system] 'B'=(;)
   Call: (222) [system] 'B'=(/)
   Fail: (222) [system] 'B'=(/)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Fail: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Fail: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Fail: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
   Fail: (223) [system] char_type('B', cntrl)
^  Fail: (222) [user] is_like_space('B')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1930010)
   Exit: (220) [system] peek_char((0x55772f068e50), 'B')
   Call: (220) [system] 'B'=')'
   Fail: (220) [system] 'B'=')'
   Call: (220) [system] 'B'=end_of_file
   Fail: (220) [system] 'B'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _1935580)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1937438)
   Exit: (222) [system] peek_char((0x55772f068e50), 'B')
   Call: (222) [system] 'B'=(;)
   Fail: (222) [system] 'B'=(;)
   Call: (222) [system] 'B'=(/)
   Fail: (222) [system] 'B'=(/)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Fail: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Fail: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Fail: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
   Fail: (223) [system] char_type('B', cntrl)
^  Fail: (222) [user] is_like_space('B')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _1953448)
   Exit: (221) [system] get_char((0x55772f068e50), 'B')
   Call: (221) [system] 'B'='('
   Fail: (221) [system] 'B'='('
   Call: (221) [system] 'B'='['
   Fail: (221) [system] 'B'='['
   Call: (221) [system] 'B'='{'
   Fail: (221) [system] 'B'='{'
   Call: (221) [system] 'B'='"'
   Fail: (221) [system] 'B'='"'
   Call: (221) [system] 'B'=!
   Fail: (221) [system] 'B'=!
   Call: (221) [system] 'B'='\''
   Fail: (221) [system] 'B'='\''
   Call: (221) [system] 'B'='`'
   Fail: (221) [system] 'B'='`'
   Call: (221) [system] 'B'=end_of_file
   Fail: (221) [system] 'B'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x55772f068e50), 'B', _1935580)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1971090)
   Call: (223) [system] peek_char((0x55772f068e50), _1972024)
   Exit: (223) [system] peek_char((0x55772f068e50), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_1976744, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _1971090=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (222) [user] classify_and_convert_charseq(['B'], _1935580)
^  Call: (223) [user] classify_and_convert_charseq_(['B'], _1983180)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1984132, _1984134), once(user:catch(read_from_chars(['B'], _1983180), _1984114, fail)), '$restore_trace'(_1984132, _1984134))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1984132, _1984134))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1983180), _1984114, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1983180)
   Fail: (224) [system] atomic(_1983180)
   Call: (224) [system] atom_chars(_1983180, ['B'])
   Exit: (224) [system] atom_chars('B', ['B'])
^  Exit: (223) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (223) [system] integer('B')
   Fail: (223) [system] integer('B')
   Call: (223) [system] _1935580='B'
   Exit: (223) [system] 'B'='B'
^  Exit: (222) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (221) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (220) [user] read_list(')', (0x55772f068e50), _1998130)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1999988)
   Exit: (222) [system] peek_char((0x55772f068e50), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
   Call: (222) [system] ')'=(/)
   Fail: (222) [system] ')'=(/)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _2015998)
   Exit: (221) [system] peek_char((0x55772f068e50), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x55772f068e50), _2019788)
   Exit: (221) [system] get_char((0x55772f068e50), ')')
   Call: (221) [system] _1998130=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x55772f068e50), [])
   Call: (220) [system] _1898920=['B']
   Exit: (220) [system] ['B']=['B']
^  Exit: (219) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (219) [system] _1801582=['A', 'B']
   Exit: (219) [system] ['A', 'B']=['A', 'B']
^  Exit: (218) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (218) [system] _1595506=['AndLink', 'A', 'B']
   Exit: (218) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (217) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (216) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (216) [user] read_list(')', (0x55772f068e50), _2033670)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _2035528)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x55772f068e50), _2045122)
   Exit: (218) [system] get_char((0x55772f068e50), ' ')
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _2047826)
   Exit: (219) [system] peek_char((0x55772f068e50), 'C')
   Call: (219) [system] 'C'=(;)
   Fail: (219) [system] 'C'=(;)
   Call: (219) [system] 'C'=(/)
   Fail: (219) [system] 'C'=(/)
^  Call: (219) [user] is_like_space('C')
   Call: (220) [system] char_type('C', 'white')
   Fail: (220) [system] char_type('C', 'white')
   Call: (220) [system] char_type('C', end_of_line)
   Fail: (220) [system] char_type('C', end_of_line)
   Call: (220) [system] char_type('C', space)
   Fail: (220) [system] char_type('C', space)
   Call: (220) [system] char_type('C', cntrl)
   Fail: (220) [system] char_type('C', cntrl)
^  Fail: (219) [user] is_like_space('C')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _2064760)
   Exit: (217) [system] peek_char((0x55772f068e50), 'C')
   Call: (217) [system] 'C'=')'
   Fail: (217) [system] 'C'=')'
   Call: (217) [system] 'C'=end_of_file
   Fail: (217) [system] 'C'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _2070330)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _2072188)
   Exit: (219) [system] peek_char((0x55772f068e50), 'C')
   Call: (219) [system] 'C'=(;)
   Fail: (219) [system] 'C'=(;)
   Call: (219) [system] 'C'=(/)
   Fail: (219) [system] 'C'=(/)
^  Call: (219) [user] is_like_space('C')
   Call: (220) [system] char_type('C', 'white')
   Fail: (220) [system] char_type('C', 'white')
   Call: (220) [system] char_type('C', end_of_line)
   Fail: (220) [system] char_type('C', end_of_line)
   Call: (220) [system] char_type('C', space)
   Fail: (220) [system] char_type('C', space)
   Call: (220) [system] char_type('C', cntrl)
   Fail: (220) [system] char_type('C', cntrl)
^  Fail: (219) [user] is_like_space('C')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _2088198)
   Exit: (218) [system] get_char((0x55772f068e50), 'C')
   Call: (218) [system] 'C'='('
   Fail: (218) [system] 'C'='('
   Call: (218) [system] 'C'='['
   Fail: (218) [system] 'C'='['
   Call: (218) [system] 'C'='{'
   Fail: (218) [system] 'C'='{'
   Call: (218) [system] 'C'='"'
   Fail: (218) [system] 'C'='"'
   Call: (218) [system] 'C'=!
   Fail: (218) [system] 'C'=!
   Call: (218) [system] 'C'='\''
   Fail: (218) [system] 'C'='\''
   Call: (218) [system] 'C'='`'
   Fail: (218) [system] 'C'='`'
   Call: (218) [system] 'C'=end_of_file
   Fail: (218) [system] 'C'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x55772f068e50), 'C', _4790)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _13826)
   Call: (220) [system] peek_char((0x55772f068e50), _14760)
   Exit: (220) [system] peek_char((0x55772f068e50), ')')
^  Call: (220) [user] is_delimiter(')')
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] arg(_19480, v('(', ')', end_of_file), ')')
   Exit: (221) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (220) [user] is_delimiter(')')
   Call: (220) [system] _13826=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (219) [user] classify_and_convert_charseq(['C'], _4790)
^  Call: (220) [user] classify_and_convert_charseq_(['C'], _25916)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_26868, _26870), once(user:catch(read_from_chars(['C'], _25916), _26850, fail)), '$restore_trace'(_26868, _26870))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_26868, _26870))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _25916), _26850, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_25916)
   Fail: (221) [system] atomic(_25916)
   Call: (221) [system] atom_chars(_25916, ['C'])
   Exit: (221) [system] atom_chars('C', ['C'])
^  Exit: (220) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (220) [system] integer('C')
   Fail: (220) [system] integer('C')
   Call: (220) [system] _4790='C'
   Exit: (220) [system] 'C'='C'
^  Exit: (219) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (218) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (217) [user] read_list(')', (0x55772f068e50), _40866)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _42724)
   Exit: (219) [system] peek_char((0x55772f068e50), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
   Call: (219) [system] ')'=(/)
   Fail: (219) [system] ')'=(/)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _58734)
   Exit: (218) [system] peek_char((0x55772f068e50), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x55772f068e50), _62524)
   Exit: (218) [system] get_char((0x55772f068e50), ')')
   Call: (218) [system] _40866=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x55772f068e50), [])
   Call: (217) [system] _4786=['C']
   Exit: (217) [system] ['C']=['C']
^  Exit: (216) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (216) [system] _4762=[['AndLink', 'A', 'B'], 'C']
   Exit: (216) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (215) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (215) [system] _4754=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (215) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (214) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (213) [user] read_list(')', (0x55772f068e50), _76406)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _78264)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x55772f068e50), _87858)
   Exit: (215) [system] get_char((0x55772f068e50), ' ')
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _90562)
   Exit: (216) [system] peek_char((0x55772f068e50), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _107496)
   Exit: (214) [system] peek_char((0x55772f068e50), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _113066)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _114924)
   Exit: (216) [system] peek_char((0x55772f068e50), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _130934)
   Exit: (215) [system] get_char((0x55772f068e50), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x55772f068e50), _113066)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _136504)
   Exit: (217) [system] peek_char((0x55772f068e50), 'O')
   Call: (217) [system] 'O'=(;)
   Fail: (217) [system] 'O'=(;)
   Call: (217) [system] 'O'=(/)
   Fail: (217) [system] 'O'=(/)
^  Call: (217) [user] is_like_space('O')
   Call: (218) [system] char_type('O', 'white')
   Fail: (218) [system] char_type('O', 'white')
   Call: (218) [system] char_type('O', end_of_line)
   Fail: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] char_type('O', space)
   Fail: (218) [system] char_type('O', space)
   Call: (218) [system] char_type('O', cntrl)
   Fail: (218) [system] char_type('O', cntrl)
^  Fail: (217) [user] is_like_space('O')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _152514)
   Exit: (216) [system] peek_char((0x55772f068e50), 'O')
   Call: (216) [system] 'O'=')'
   Fail: (216) [system] 'O'=')'
   Call: (216) [system] 'O'=end_of_file
   Fail: (216) [system] 'O'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x55772f068e50), _158084)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _159942)
   Exit: (218) [system] peek_char((0x55772f068e50), 'O')
   Call: (218) [system] 'O'=(;)
   Fail: (218) [system] 'O'=(;)
   Call: (218) [system] 'O'=(/)
   Fail: (218) [system] 'O'=(/)
^  Call: (218) [user] is_like_space('O')
   Call: (219) [system] char_type('O', 'white')
   Fail: (219) [system] char_type('O', 'white')
   Call: (219) [system] char_type('O', end_of_line)
   Fail: (219) [system] char_type('O', end_of_line)
   Call: (219) [system] char_type('O', space)
   Fail: (219) [system] char_type('O', space)
   Call: (219) [system] char_type('O', cntrl)
   Fail: (219) [system] char_type('O', cntrl)
^  Fail: (218) [user] is_like_space('O')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] get_char((0x55772f068e50), _175952)
   Exit: (217) [system] get_char((0x55772f068e50), 'O')
   Call: (217) [system] 'O'='('
   Fail: (217) [system] 'O'='('
   Call: (217) [system] 'O'='['
   Fail: (217) [system] 'O'='['
   Call: (217) [system] 'O'='{'
   Fail: (217) [system] 'O'='{'
   Call: (217) [system] 'O'='"'
   Fail: (217) [system] 'O'='"'
   Call: (217) [system] 'O'=!
   Fail: (217) [system] 'O'=!
   Call: (217) [system] 'O'='\''
   Fail: (217) [system] 'O'='\''
   Call: (217) [system] 'O'='`'
   Fail: (217) [system] 'O'='`'
   Call: (217) [system] 'O'=end_of_file
   Fail: (217) [system] 'O'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x55772f068e50), 'O', _158084)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _193594)
   Call: (219) [system] peek_char((0x55772f068e50), _194528)
   Exit: (219) [system] peek_char((0x55772f068e50), r)
^  Call: (219) [user] is_delimiter(r)
   Call: (220) [system] char_type(r, space)
   Fail: (220) [system] char_type(r, space)
   Call: (220) [system] arg(_199248, v('(', ')', end_of_file), r)
   Fail: (220) [system] arg(_200180, v('(', ')', end_of_file), r)
^  Fail: (219) [user] is_delimiter(r)
   Call: (219) [system] ')'==r
   Fail: (219) [system] ')'==r
   Call: (219) [system] get_char((0x55772f068e50), r)
   Exit: (219) [system] get_char((0x55772f068e50), r)
   Call: (219) [system] r=(\)
   Fail: (219) [system] r=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _207530)
   Call: (220) [system] peek_char((0x55772f068e50), _208464)
   Exit: (220) [system] peek_char((0x55772f068e50), 'L')
^  Call: (220) [user] is_delimiter('L')
   Call: (221) [system] char_type('L', space)
   Fail: (221) [system] char_type('L', space)
   Call: (221) [system] arg(_213184, v('(', ')', end_of_file), 'L')
   Fail: (221) [system] arg(_214116, v('(', ')', end_of_file), 'L')
^  Fail: (220) [user] is_delimiter('L')
   Call: (220) [system] ')'=='L'
   Fail: (220) [system] ')'=='L'
   Call: (220) [system] get_char((0x55772f068e50), 'L')
   Exit: (220) [system] get_char((0x55772f068e50), 'L')
   Call: (220) [system] 'L'=(\)
   Fail: (220) [system] 'L'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _221466)
   Call: (221) [system] peek_char((0x55772f068e50), _222400)
   Exit: (221) [system] peek_char((0x55772f068e50), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_227120, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_228052, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x55772f068e50), i)
   Exit: (221) [system] get_char((0x55772f068e50), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _235402)
   Call: (222) [system] peek_char((0x55772f068e50), _236336)
   Exit: (222) [system] peek_char((0x55772f068e50), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_241056, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_241988, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x55772f068e50), n)
   Exit: (222) [system] get_char((0x55772f068e50), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _249338)
   Call: (223) [system] peek_char((0x55772f068e50), _250272)
   Exit: (223) [system] peek_char((0x55772f068e50), k)
^  Call: (223) [user] is_delimiter(k)
   Call: (224) [system] char_type(k, space)
   Fail: (224) [system] char_type(k, space)
   Call: (224) [system] arg(_254992, v('(', ')', end_of_file), k)
   Fail: (224) [system] arg(_255924, v('(', ')', end_of_file), k)
^  Fail: (223) [user] is_delimiter(k)
   Call: (223) [system] ')'==k
   Fail: (223) [system] ')'==k
   Call: (223) [system] get_char((0x55772f068e50), k)
   Exit: (223) [system] get_char((0x55772f068e50), k)
   Call: (223) [system] k=(\)
   Fail: (223) [system] k=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _263274)
   Call: (224) [system] peek_char((0x55772f068e50), _264208)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _263274=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (223) [system] _249338=[k]
   Exit: (223) [system] [k]=[k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (222) [system] _235402=[n, k]
   Exit: (222) [system] [n, k]=[n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (221) [system] _221466=[i, n, k]
   Exit: (221) [system] [i, n, k]=[i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (220) [system] _207530=['L', i, n, k]
   Exit: (220) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (219) [system] _193594=[r, 'L', i, n, k]
   Exit: (219) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (218) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _158084)
^  Call: (219) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _287462)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_288414, _288416), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _287462), _288396, fail)), '$restore_trace'(_288414, _288416))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_288414, _288416))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _287462), _288396, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_287462)
   Fail: (220) [system] atomic(_287462)
   Call: (220) [system] atom_chars(_287462, ['O', r, 'L', i, n, k])
   Exit: (220) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (219) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (219) [system] integer('OrLink')
   Fail: (219) [system] integer('OrLink')
   Call: (219) [system] _158084='OrLink'
   Exit: (219) [system] 'OrLink'='OrLink'
^  Exit: (218) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (217) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (216) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (216) [user] read_list(')', (0x55772f068e50), _302412)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _304270)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x55772f068e50), _313864)
   Exit: (218) [system] get_char((0x55772f068e50), ' ')
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _316568)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _333502)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _339072)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _340930)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _356940)
   Exit: (218) [system] get_char((0x55772f068e50), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x55772f068e50), _339072)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _362510)
   Exit: (220) [system] peek_char((0x55772f068e50), 'I')
   Call: (220) [system] 'I'=(;)
   Fail: (220) [system] 'I'=(;)
   Call: (220) [system] 'I'=(/)
   Fail: (220) [system] 'I'=(/)
^  Call: (220) [user] is_like_space('I')
   Call: (221) [system] char_type('I', 'white')
   Fail: (221) [system] char_type('I', 'white')
   Call: (221) [system] char_type('I', end_of_line)
   Fail: (221) [system] char_type('I', end_of_line)
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] char_type('I', cntrl)
   Fail: (221) [system] char_type('I', cntrl)
^  Fail: (220) [user] is_like_space('I')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _378520)
   Exit: (219) [system] peek_char((0x55772f068e50), 'I')
   Call: (219) [system] 'I'=')'
   Fail: (219) [system] 'I'=')'
   Call: (219) [system] 'I'=end_of_file
   Fail: (219) [system] 'I'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _384090)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _385948)
   Exit: (221) [system] peek_char((0x55772f068e50), 'I')
   Call: (221) [system] 'I'=(;)
   Fail: (221) [system] 'I'=(;)
   Call: (221) [system] 'I'=(/)
   Fail: (221) [system] 'I'=(/)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Fail: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Fail: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
   Fail: (222) [system] char_type('I', cntrl)
^  Fail: (221) [user] is_like_space('I')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _401958)
   Exit: (220) [system] get_char((0x55772f068e50), 'I')
   Call: (220) [system] 'I'='('
   Fail: (220) [system] 'I'='('
   Call: (220) [system] 'I'='['
   Fail: (220) [system] 'I'='['
   Call: (220) [system] 'I'='{'
   Fail: (220) [system] 'I'='{'
   Call: (220) [system] 'I'='"'
   Fail: (220) [system] 'I'='"'
   Call: (220) [system] 'I'=!
   Fail: (220) [system] 'I'=!
   Call: (220) [system] 'I'='\''
   Fail: (220) [system] 'I'='\''
   Call: (220) [system] 'I'='`'
   Fail: (220) [system] 'I'='`'
   Call: (220) [system] 'I'=end_of_file
   Fail: (220) [system] 'I'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x55772f068e50), 'I', _384090)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _419600)
   Call: (222) [system] peek_char((0x55772f068e50), _420534)
   Exit: (222) [system] peek_char((0x55772f068e50), m)
^  Call: (222) [user] is_delimiter(m)
   Call: (223) [system] char_type(m, space)
   Fail: (223) [system] char_type(m, space)
   Call: (223) [system] arg(_425254, v('(', ')', end_of_file), m)
   Fail: (223) [system] arg(_426186, v('(', ')', end_of_file), m)
^  Fail: (222) [user] is_delimiter(m)
   Call: (222) [system] ')'==m
   Fail: (222) [system] ')'==m
   Call: (222) [system] get_char((0x55772f068e50), m)
   Exit: (222) [system] get_char((0x55772f068e50), m)
   Call: (222) [system] m=(\)
   Fail: (222) [system] m=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _433536)
   Call: (223) [system] peek_char((0x55772f068e50), _434470)
   Exit: (223) [system] peek_char((0x55772f068e50), p)
^  Call: (223) [user] is_delimiter(p)
   Call: (224) [system] char_type(p, space)
   Fail: (224) [system] char_type(p, space)
   Call: (224) [system] arg(_439190, v('(', ')', end_of_file), p)
   Fail: (224) [system] arg(_440122, v('(', ')', end_of_file), p)
^  Fail: (223) [user] is_delimiter(p)
   Call: (223) [system] ')'==p
   Fail: (223) [system] ')'==p
   Call: (223) [system] get_char((0x55772f068e50), p)
   Exit: (223) [system] get_char((0x55772f068e50), p)
   Call: (223) [system] p=(\)
   Fail: (223) [system] p=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _447472)
   Call: (224) [system] peek_char((0x55772f068e50), _448406)
   Exit: (224) [system] peek_char((0x55772f068e50), l)
^  Call: (224) [user] is_delimiter(l)
   Call: (225) [system] char_type(l, space)
   Fail: (225) [system] char_type(l, space)
   Call: (225) [system] arg(_453126, v('(', ')', end_of_file), l)
   Fail: (225) [system] arg(_454058, v('(', ')', end_of_file), l)
^  Fail: (224) [user] is_delimiter(l)
   Call: (224) [system] ')'==l
   Fail: (224) [system] ')'==l
   Call: (224) [system] get_char((0x55772f068e50), l)
   Exit: (224) [system] get_char((0x55772f068e50), l)
   Call: (224) [system] l=(\)
   Fail: (224) [system] l=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _461408)
   Call: (225) [system] peek_char((0x55772f068e50), _462342)
   Exit: (225) [system] peek_char((0x55772f068e50), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_467062, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_467994, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x55772f068e50), i)
   Exit: (225) [system] get_char((0x55772f068e50), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _475344)
   Call: (226) [system] peek_char((0x55772f068e50), _476278)
   Exit: (226) [system] peek_char((0x55772f068e50), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_480998, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_481930, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x55772f068e50), c)
   Exit: (226) [system] get_char((0x55772f068e50), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _489280)
   Call: (227) [system] peek_char((0x55772f068e50), _490214)
   Exit: (227) [system] peek_char((0x55772f068e50), a)
^  Call: (227) [user] is_delimiter(a)
   Call: (228) [system] char_type(a, space)
   Fail: (228) [system] char_type(a, space)
   Call: (228) [system] arg(_494934, v('(', ')', end_of_file), a)
   Fail: (228) [system] arg(_495866, v('(', ')', end_of_file), a)
^  Fail: (227) [user] is_delimiter(a)
   Call: (227) [system] ')'==a
   Fail: (227) [system] ')'==a
   Call: (227) [system] get_char((0x55772f068e50), a)
   Exit: (227) [system] get_char((0x55772f068e50), a)
   Call: (227) [system] a=(\)
   Fail: (227) [system] a=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _503216)
   Call: (228) [system] peek_char((0x55772f068e50), _504150)
   Exit: (228) [system] peek_char((0x55772f068e50), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_508870, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_509802, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x55772f068e50), t)
   Exit: (228) [system] get_char((0x55772f068e50), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _517152)
   Call: (229) [system] peek_char((0x55772f068e50), _518086)
   Exit: (229) [system] peek_char((0x55772f068e50), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_522806, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_523738, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x55772f068e50), i)
   Exit: (229) [system] get_char((0x55772f068e50), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _531088)
   Call: (230) [system] peek_char((0x55772f068e50), _532022)
   Exit: (230) [system] peek_char((0x55772f068e50), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_536742, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_537674, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x55772f068e50), o)
   Exit: (230) [system] get_char((0x55772f068e50), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _545024)
   Call: (231) [system] peek_char((0x55772f068e50), _545958)
   Exit: (231) [system] peek_char((0x55772f068e50), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_550678, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_551610, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x55772f068e50), n)
   Exit: (231) [system] get_char((0x55772f068e50), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _558960)
   Call: (232) [system] peek_char((0x55772f068e50), _559894)
   Exit: (232) [system] peek_char((0x55772f068e50), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _558960=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (231) [system] _545024=[n]
   Exit: (231) [system] [n]=[n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (230) [system] _531088=[o, n]
   Exit: (230) [system] [o, n]=[o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (229) [system] _517152=[i, o, n]
   Exit: (229) [system] [i, o, n]=[i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (228) [system] _503216=[t, i, o, n]
   Exit: (228) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (227) [system] _489280=[a, t, i, o, n]
   Exit: (227) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (226) [system] _475344=[c, a, t, i, o, n]
   Exit: (226) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (225) [system] _461408=[i, c, a, t, i, o, n]
   Exit: (225) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (224) [system] _447472=[l, i, c, a, t, i, o, n]
   Exit: (224) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (223) [system] _433536=[p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (222) [system] _419600=[m, p, l, i, c, a, t, i, o, n]
   Exit: (222) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (221) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _384090)
^  Call: (222) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _597118)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_598070, _598072), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _597118), _598052, fail)), '$restore_trace'(_598070, _598072))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_598070, _598072))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _597118), _598052, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_597118)
   Fail: (223) [system] atomic(_597118)
   Call: (223) [system] atom_chars(_597118, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (223) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (222) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (222) [system] integer('Implication')
   Fail: (222) [system] integer('Implication')
   Call: (222) [system] _384090='Implication'
   Exit: (222) [system] 'Implication'='Implication'
^  Exit: (221) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (220) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (219) [user] read_list(')', (0x55772f068e50), _612068)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _613926)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x55772f068e50), _623520)
   Exit: (221) [system] get_char((0x55772f068e50), ' ')
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _626224)
   Exit: (222) [system] peek_char((0x55772f068e50), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _643158)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _648728)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _650586)
   Exit: (222) [system] peek_char((0x55772f068e50), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _666596)
   Exit: (221) [system] get_char((0x55772f068e50), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x55772f068e50), _648728)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _672166)
   Exit: (223) [system] peek_char((0x55772f068e50), 'A')
   Call: (223) [system] 'A'=(;)
   Fail: (223) [system] 'A'=(;)
   Call: (223) [system] 'A'=(/)
   Fail: (223) [system] 'A'=(/)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Fail: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Fail: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Fail: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
   Fail: (224) [system] char_type('A', cntrl)
^  Fail: (223) [user] is_like_space('A')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _688176)
   Exit: (222) [system] peek_char((0x55772f068e50), 'A')
   Call: (222) [system] 'A'=')'
   Fail: (222) [system] 'A'=')'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _693746)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _695604)
   Exit: (224) [system] peek_char((0x55772f068e50), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
   Call: (224) [system] 'A'=(/)
   Fail: (224) [system] 'A'=(/)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _711614)
   Exit: (223) [system] get_char((0x55772f068e50), 'A')
   Call: (223) [system] 'A'='('
   Fail: (223) [system] 'A'='('
   Call: (223) [system] 'A'='['
   Fail: (223) [system] 'A'='['
   Call: (223) [system] 'A'='{'
   Fail: (223) [system] 'A'='{'
   Call: (223) [system] 'A'='"'
   Fail: (223) [system] 'A'='"'
   Call: (223) [system] 'A'=!
   Fail: (223) [system] 'A'=!
   Call: (223) [system] 'A'='\''
   Fail: (223) [system] 'A'='\''
   Call: (223) [system] 'A'='`'
   Fail: (223) [system] 'A'='`'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x55772f068e50), 'A', _693746)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _729256)
   Call: (225) [system] peek_char((0x55772f068e50), _730190)
   Exit: (225) [system] peek_char((0x55772f068e50), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_734910, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_735842, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x55772f068e50), n)
   Exit: (225) [system] get_char((0x55772f068e50), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _743192)
   Call: (226) [system] peek_char((0x55772f068e50), _744126)
   Exit: (226) [system] peek_char((0x55772f068e50), d)
^  Call: (226) [user] is_delimiter(d)
   Call: (227) [system] char_type(d, space)
   Fail: (227) [system] char_type(d, space)
   Call: (227) [system] arg(_748846, v('(', ')', end_of_file), d)
   Fail: (227) [system] arg(_749778, v('(', ')', end_of_file), d)
^  Fail: (226) [user] is_delimiter(d)
   Call: (226) [system] ')'==d
   Fail: (226) [system] ')'==d
   Call: (226) [system] get_char((0x55772f068e50), d)
   Exit: (226) [system] get_char((0x55772f068e50), d)
   Call: (226) [system] d=(\)
   Fail: (226) [system] d=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _757128)
   Call: (227) [system] peek_char((0x55772f068e50), _758062)
   Exit: (227) [system] peek_char((0x55772f068e50), 'L')
^  Call: (227) [user] is_delimiter('L')
   Call: (228) [system] char_type('L', space)
   Fail: (228) [system] char_type('L', space)
   Call: (228) [system] arg(_762782, v('(', ')', end_of_file), 'L')
   Fail: (228) [system] arg(_763714, v('(', ')', end_of_file), 'L')
^  Fail: (227) [user] is_delimiter('L')
   Call: (227) [system] ')'=='L'
   Fail: (227) [system] ')'=='L'
   Call: (227) [system] get_char((0x55772f068e50), 'L')
   Exit: (227) [system] get_char((0x55772f068e50), 'L')
   Call: (227) [system] 'L'=(\)
   Fail: (227) [system] 'L'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _771064)
   Call: (228) [system] peek_char((0x55772f068e50), _771998)
   Exit: (228) [system] peek_char((0x55772f068e50), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_776718, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_777650, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x55772f068e50), i)
   Exit: (228) [system] get_char((0x55772f068e50), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _785000)
   Call: (229) [system] peek_char((0x55772f068e50), _785934)
   Exit: (229) [system] peek_char((0x55772f068e50), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_790654, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_791586, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x55772f068e50), n)
   Exit: (229) [system] get_char((0x55772f068e50), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _798936)
   Call: (230) [system] peek_char((0x55772f068e50), _799870)
   Exit: (230) [system] peek_char((0x55772f068e50), k)
^  Call: (230) [user] is_delimiter(k)
   Call: (231) [system] char_type(k, space)
   Fail: (231) [system] char_type(k, space)
   Call: (231) [system] arg(_804590, v('(', ')', end_of_file), k)
   Fail: (231) [system] arg(_805522, v('(', ')', end_of_file), k)
^  Fail: (230) [user] is_delimiter(k)
   Call: (230) [system] ')'==k
   Fail: (230) [system] ')'==k
   Call: (230) [system] get_char((0x55772f068e50), k)
   Exit: (230) [system] get_char((0x55772f068e50), k)
   Call: (230) [system] k=(\)
   Fail: (230) [system] k=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _812872)
   Call: (231) [system] peek_char((0x55772f068e50), _813806)
   Exit: (231) [system] peek_char((0x55772f068e50), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _812872=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (230) [system] _798936=[k]
   Exit: (230) [system] [k]=[k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (229) [system] _785000=[n, k]
   Exit: (229) [system] [n, k]=[n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (228) [system] _771064=[i, n, k]
   Exit: (228) [system] [i, n, k]=[i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (227) [system] _757128=['L', i, n, k]
   Exit: (227) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (226) [system] _743192=[d, 'L', i, n, k]
   Exit: (226) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (225) [system] _729256=[n, d, 'L', i, n, k]
   Exit: (225) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (224) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _693746)
^  Call: (225) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _839854)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_840806, _840808), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _839854), _840788, fail)), '$restore_trace'(_840806, _840808))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_840806, _840808))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _839854), _840788, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_839854)
   Fail: (226) [system] atomic(_839854)
   Call: (226) [system] atom_chars(_839854, ['A', n, d, 'L', i, n, k])
   Exit: (226) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (225) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (225) [system] integer('AndLink')
   Fail: (225) [system] integer('AndLink')
   Call: (225) [system] _693746='AndLink'
   Exit: (225) [system] 'AndLink'='AndLink'
^  Exit: (224) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (223) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (222) [user] read_list(')', (0x55772f068e50), _854804)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _856662)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x55772f068e50), _866256)
   Exit: (224) [system] get_char((0x55772f068e50), ' ')
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _868960)
   Exit: (225) [system] peek_char((0x55772f068e50), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _885894)
   Exit: (223) [system] peek_char((0x55772f068e50), 'A')
   Call: (223) [system] 'A'=')'
   Fail: (223) [system] 'A'=')'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x55772f068e50), _891464)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _893322)
   Exit: (225) [system] peek_char((0x55772f068e50), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] get_char((0x55772f068e50), _909332)
   Exit: (224) [system] get_char((0x55772f068e50), 'A')
   Call: (224) [system] 'A'='('
   Fail: (224) [system] 'A'='('
   Call: (224) [system] 'A'='['
   Fail: (224) [system] 'A'='['
   Call: (224) [system] 'A'='{'
   Fail: (224) [system] 'A'='{'
   Call: (224) [system] 'A'='"'
   Fail: (224) [system] 'A'='"'
   Call: (224) [system] 'A'=!
   Fail: (224) [system] 'A'=!
   Call: (224) [system] 'A'='\''
   Fail: (224) [system] 'A'='\''
   Call: (224) [system] 'A'='`'
   Fail: (224) [system] 'A'='`'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x55772f068e50), 'A', _891464)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _926974)
   Call: (226) [system] peek_char((0x55772f068e50), _927908)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _926974=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (225) [user] classify_and_convert_charseq(['A'], _891464)
^  Call: (226) [user] classify_and_convert_charseq_(['A'], _937192)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_938144, _938146), once(user:catch(read_from_chars(['A'], _937192), _938126, fail)), '$restore_trace'(_938144, _938146))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_938144, _938146))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _937192), _938126, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_937192)
   Fail: (227) [system] atomic(_937192)
   Call: (227) [system] atom_chars(_937192, ['A'])
   Exit: (227) [system] atom_chars('A', ['A'])
^  Exit: (226) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (226) [system] integer('A')
   Fail: (226) [system] integer('A')
   Call: (226) [system] _891464='A'
   Exit: (226) [system] 'A'='A'
^  Exit: (225) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (224) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (223) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (223) [user] read_list(')', (0x55772f068e50), _952142)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _954000)
   Exit: (225) [system] peek_char((0x55772f068e50), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x55772f068e50), _963594)
   Exit: (225) [system] get_char((0x55772f068e50), ' ')
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _966298)
   Exit: (226) [system] peek_char((0x55772f068e50), 'B')
   Call: (226) [system] 'B'=(;)
   Fail: (226) [system] 'B'=(;)
   Call: (226) [system] 'B'=(/)
   Fail: (226) [system] 'B'=(/)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Fail: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Fail: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Fail: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
   Fail: (227) [system] char_type('B', cntrl)
^  Fail: (226) [user] is_like_space('B')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _983232)
   Exit: (224) [system] peek_char((0x55772f068e50), 'B')
   Call: (224) [system] 'B'=')'
   Fail: (224) [system] 'B'=')'
   Call: (224) [system] 'B'=end_of_file
   Fail: (224) [system] 'B'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x55772f068e50), _988802)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _990660)
   Exit: (226) [system] peek_char((0x55772f068e50), 'B')
   Call: (226) [system] 'B'=(;)
   Fail: (226) [system] 'B'=(;)
   Call: (226) [system] 'B'=(/)
   Fail: (226) [system] 'B'=(/)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Fail: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Fail: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Fail: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
   Fail: (227) [system] char_type('B', cntrl)
^  Fail: (226) [user] is_like_space('B')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] get_char((0x55772f068e50), _1006670)
   Exit: (225) [system] get_char((0x55772f068e50), 'B')
   Call: (225) [system] 'B'='('
   Fail: (225) [system] 'B'='('
   Call: (225) [system] 'B'='['
   Fail: (225) [system] 'B'='['
   Call: (225) [system] 'B'='{'
   Fail: (225) [system] 'B'='{'
   Call: (225) [system] 'B'='"'
   Fail: (225) [system] 'B'='"'
   Call: (225) [system] 'B'=!
   Fail: (225) [system] 'B'=!
   Call: (225) [system] 'B'='\''
   Fail: (225) [system] 'B'='\''
   Call: (225) [system] 'B'='`'
   Fail: (225) [system] 'B'='`'
   Call: (225) [system] 'B'=end_of_file
   Fail: (225) [system] 'B'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x55772f068e50), 'B', _988802)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1024312)
   Call: (227) [system] peek_char((0x55772f068e50), _1025246)
   Exit: (227) [system] peek_char((0x55772f068e50), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_1029966, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _1024312=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (226) [user] classify_and_convert_charseq(['B'], _988802)
^  Call: (227) [user] classify_and_convert_charseq_(['B'], _1036402)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1037354, _1037356), once(user:catch(read_from_chars(['B'], _1036402), _1037336, fail)), '$restore_trace'(_1037354, _1037356))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1037354, _1037356))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1036402), _1037336, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1036402)
   Fail: (228) [system] atomic(_1036402)
   Call: (228) [system] atom_chars(_1036402, ['B'])
   Exit: (228) [system] atom_chars('B', ['B'])
^  Exit: (227) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (227) [system] integer('B')
   Fail: (227) [system] integer('B')
   Call: (227) [system] _988802='B'
   Exit: (227) [system] 'B'='B'
^  Exit: (226) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (225) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (224) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (224) [user] read_list(')', (0x55772f068e50), _1051352)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1053210)
   Exit: (226) [system] peek_char((0x55772f068e50), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
   Call: (226) [system] ')'=(/)
   Fail: (226) [system] ')'=(/)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1069220)
   Exit: (225) [system] peek_char((0x55772f068e50), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x55772f068e50), _1073010)
   Exit: (225) [system] get_char((0x55772f068e50), ')')
   Call: (225) [system] _1051352=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x55772f068e50), [])
   Call: (224) [system] _952142=['B']
   Exit: (224) [system] ['B']=['B']
^  Exit: (223) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (223) [system] _854804=['A', 'B']
   Exit: (223) [system] ['A', 'B']=['A', 'B']
^  Exit: (222) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (222) [system] _648728=['AndLink', 'A', 'B']
   Exit: (222) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (221) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (220) [user] read_list(')', (0x55772f068e50), _1086892)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1088750)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x55772f068e50), _1098344)
   Exit: (222) [system] get_char((0x55772f068e50), ' ')
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1101048)
   Exit: (223) [system] peek_char((0x55772f068e50), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
   Call: (223) [system] 'C'=(/)
   Fail: (223) [system] 'C'=(/)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1117982)
   Exit: (221) [system] peek_char((0x55772f068e50), 'C')
   Call: (221) [system] 'C'=')'
   Fail: (221) [system] 'C'=')'
   Call: (221) [system] 'C'=end_of_file
   Fail: (221) [system] 'C'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _1123552)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1125410)
   Exit: (223) [system] peek_char((0x55772f068e50), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
   Call: (223) [system] 'C'=(/)
   Fail: (223) [system] 'C'=(/)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _1141420)
   Exit: (222) [system] get_char((0x55772f068e50), 'C')
   Call: (222) [system] 'C'='('
   Fail: (222) [system] 'C'='('
   Call: (222) [system] 'C'='['
   Fail: (222) [system] 'C'='['
   Call: (222) [system] 'C'='{'
   Fail: (222) [system] 'C'='{'
   Call: (222) [system] 'C'='"'
   Fail: (222) [system] 'C'='"'
   Call: (222) [system] 'C'=!
   Fail: (222) [system] 'C'=!
   Call: (222) [system] 'C'='\''
   Fail: (222) [system] 'C'='\''
   Call: (222) [system] 'C'='`'
   Fail: (222) [system] 'C'='`'
   Call: (222) [system] 'C'=end_of_file
   Fail: (222) [system] 'C'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x55772f068e50), 'C', _1123552)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1159062)
   Call: (224) [system] peek_char((0x55772f068e50), _1159996)
   Exit: (224) [system] peek_char((0x55772f068e50), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_1164716, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _1159062=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (223) [user] classify_and_convert_charseq(['C'], _1123552)
^  Call: (224) [user] classify_and_convert_charseq_(['C'], _1171152)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1172104, _1172106), once(user:catch(read_from_chars(['C'], _1171152), _1172086, fail)), '$restore_trace'(_1172104, _1172106))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1172104, _1172106))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1171152), _1172086, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1171152)
   Fail: (225) [system] atomic(_1171152)
   Call: (225) [system] atom_chars(_1171152, ['C'])
   Exit: (225) [system] atom_chars('C', ['C'])
^  Exit: (224) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (224) [system] integer('C')
   Fail: (224) [system] integer('C')
   Call: (224) [system] _1123552='C'
   Exit: (224) [system] 'C'='C'
^  Exit: (223) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (222) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (221) [user] read_list(')', (0x55772f068e50), _1186102)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1187960)
   Exit: (223) [system] peek_char((0x55772f068e50), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
   Call: (223) [system] ')'=(/)
   Fail: (223) [system] ')'=(/)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1203970)
   Exit: (222) [system] peek_char((0x55772f068e50), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x55772f068e50), _1207760)
   Exit: (222) [system] get_char((0x55772f068e50), ')')
   Call: (222) [system] _1186102=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x55772f068e50), [])
   Call: (221) [system] _1086892=['C']
   Exit: (221) [system] ['C']=['C']
^  Exit: (220) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (220) [system] _612068=[['AndLink', 'A', 'B'], 'C']
   Exit: (220) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (219) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (219) [system] _339072=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (219) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (218) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (217) [user] read_list(')', (0x55772f068e50), _1221642)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1223500)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x55772f068e50), _1233094)
   Exit: (219) [system] get_char((0x55772f068e50), ' ')
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1235798)
   Exit: (220) [system] peek_char((0x55772f068e50), 'A')
   Call: (220) [system] 'A'=(;)
   Fail: (220) [system] 'A'=(;)
   Call: (220) [system] 'A'=(/)
   Fail: (220) [system] 'A'=(/)
^  Call: (220) [user] is_like_space('A')
   Call: (221) [system] char_type('A', 'white')
   Fail: (221) [system] char_type('A', 'white')
   Call: (221) [system] char_type('A', end_of_line)
   Fail: (221) [system] char_type('A', end_of_line)
   Call: (221) [system] char_type('A', space)
   Fail: (221) [system] char_type('A', space)
   Call: (221) [system] char_type('A', cntrl)
   Fail: (221) [system] char_type('A', cntrl)
^  Fail: (220) [user] is_like_space('A')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1252732)
   Exit: (218) [system] peek_char((0x55772f068e50), 'A')
   Call: (218) [system] 'A'=')'
   Fail: (218) [system] 'A'=')'
   Call: (218) [system] 'A'=end_of_file
   Fail: (218) [system] 'A'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _1258302)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1260160)
   Exit: (220) [system] peek_char((0x55772f068e50), 'A')
   Call: (220) [system] 'A'=(;)
   Fail: (220) [system] 'A'=(;)
   Call: (220) [system] 'A'=(/)
   Fail: (220) [system] 'A'=(/)
^  Call: (220) [user] is_like_space('A')
   Call: (221) [system] char_type('A', 'white')
   Fail: (221) [system] char_type('A', 'white')
   Call: (221) [system] char_type('A', end_of_line)
   Fail: (221) [system] char_type('A', end_of_line)
   Call: (221) [system] char_type('A', space)
   Fail: (221) [system] char_type('A', space)
   Call: (221) [system] char_type('A', cntrl)
   Fail: (221) [system] char_type('A', cntrl)
^  Fail: (220) [user] is_like_space('A')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _1276170)
   Exit: (219) [system] get_char((0x55772f068e50), 'A')
   Call: (219) [system] 'A'='('
   Fail: (219) [system] 'A'='('
   Call: (219) [system] 'A'='['
   Fail: (219) [system] 'A'='['
   Call: (219) [system] 'A'='{'
   Fail: (219) [system] 'A'='{'
   Call: (219) [system] 'A'='"'
   Fail: (219) [system] 'A'='"'
   Call: (219) [system] 'A'=!
   Fail: (219) [system] 'A'=!
   Call: (219) [system] 'A'='\''
   Fail: (219) [system] 'A'='\''
   Call: (219) [system] 'A'='`'
   Fail: (219) [system] 'A'='`'
   Call: (219) [system] 'A'=end_of_file
   Fail: (219) [system] 'A'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x55772f068e50), 'A', _1258302)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1293812)
   Call: (221) [system] peek_char((0x55772f068e50), _1294746)
   Exit: (221) [system] peek_char((0x55772f068e50), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_1299466, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _1293812=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (220) [user] classify_and_convert_charseq(['A'], _1258302)
^  Call: (221) [user] classify_and_convert_charseq_(['A'], _1305902)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_1306854, _1306856), once(user:catch(read_from_chars(['A'], _1305902), _1306836, fail)), '$restore_trace'(_1306854, _1306856))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_1306854, _1306856))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1305902), _1306836, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_1305902)
   Fail: (222) [system] atomic(_1305902)
   Call: (222) [system] atom_chars(_1305902, ['A'])
   Exit: (222) [system] atom_chars('A', ['A'])
^  Exit: (221) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (221) [system] integer('A')
   Fail: (221) [system] integer('A')
   Call: (221) [system] _1258302='A'
   Exit: (221) [system] 'A'='A'
^  Exit: (220) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (219) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (218) [user] read_list(')', (0x55772f068e50), _1320852)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1322710)
   Exit: (220) [system] peek_char((0x55772f068e50), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
   Call: (220) [system] ')'=(/)
   Fail: (220) [system] ')'=(/)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1338720)
   Exit: (219) [system] peek_char((0x55772f068e50), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x55772f068e50), _1342510)
   Exit: (219) [system] get_char((0x55772f068e50), ')')
   Call: (219) [system] _1320852=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x55772f068e50), [])
   Call: (218) [system] _1221642=['A']
   Exit: (218) [system] ['A']=['A']
^  Exit: (217) [user] read_list(')', (0x55772f068e50), ['A'])
   Call: (217) [system] _302412=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (217) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (216) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
   Call: (216) [system] _113066=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (216) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (215) [user] read_list(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Call: (214) [user] read_list(')', (0x55772f068e50), _1356392)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1358250)
   Exit: (216) [system] peek_char((0x55772f068e50), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1374260)
   Exit: (215) [system] peek_char((0x55772f068e50), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x55772f068e50), _1378050)
   Exit: (215) [system] get_char((0x55772f068e50), ')')
   Call: (215) [system] _1356392=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x55772f068e50), [])
   Call: (214) [system] _76406=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (214) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (213) [user] read_list(')', (0x55772f068e50), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (213) [system] _4750=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (213) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (212) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (212) [system] _4742=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (212) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (211) [user] read_list(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Exit: (210) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Call: (210) [user] read_list(')', (0x55772f068e50), _1391932)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1393790)
   Exit: (212) [system] peek_char((0x55772f068e50), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1409800)
   Exit: (211) [system] peek_char((0x55772f068e50), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x55772f068e50), _1413590)
   Exit: (211) [system] get_char((0x55772f068e50), ')')
   Call: (211) [system] _1391932=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x55772f068e50), [])
   Call: (210) [system] _4738=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
   Exit: (210) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
^  Exit: (209) [user] read_list(')', (0x55772f068e50), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]])
   Call: (209) [system] _4696=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
   Exit: (209) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
^  Exit: (208) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]])
   Call: (208) [system] _4688=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
   Exit: (208) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
^  Exit: (207) [user] read_list(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]])
^  Exit: (206) [user] cont_sexpr(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]])
^  Call: (206) [user] read_list(')', (0x55772f068e50), _1427472)
^  Call: (207) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1429330)
   Exit: (208) [system] peek_char((0x55772f068e50), '\n')
   Call: (208) [system] '\n'=(;)
   Fail: (208) [system] '\n'=(;)
   Call: (208) [system] '\n'=(/)
   Fail: (208) [system] '\n'=(/)
^  Call: (208) [user] is_like_space('\n')
   Call: (209) [system] char_type('\n', 'white')
   Fail: (209) [system] char_type('\n', 'white')
   Call: (209) [system] char_type('\n', end_of_line)
   Exit: (209) [system] char_type('\n', end_of_line)
^  Exit: (208) [user] is_like_space('\n')
   Call: (208) [system] get_char((0x55772f068e50), _1440780)
   Exit: (208) [system] get_char((0x55772f068e50), '\n')
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1443484)
   Exit: (209) [system] peek_char((0x55772f068e50), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x55772f068e50), _1453078)
   Exit: (209) [system] get_char((0x55772f068e50), ' ')
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1455782)
   Exit: (210) [system] peek_char((0x55772f068e50), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
^  Exit: (207) [user] skip_spaces((0x55772f068e50))
   Call: (207) [system] peek_char((0x55772f068e50), _1473640)
   Exit: (207) [system] peek_char((0x55772f068e50), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x55772f068e50), _1479210)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1481068)
   Exit: (209) [system] peek_char((0x55772f068e50), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] get_char((0x55772f068e50), _1497078)
   Exit: (208) [system] get_char((0x55772f068e50), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x55772f068e50), _1479210)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1502648)
   Exit: (210) [system] peek_char((0x55772f068e50), :)
   Call: (210) [system] (:)=(;)
   Fail: (210) [system] (:)=(;)
   Call: (210) [system] (:)=(/)
   Fail: (210) [system] (:)=(/)
^  Call: (210) [user] is_like_space(:)
   Call: (211) [system] char_type(:, 'white')
   Fail: (211) [system] char_type(:, 'white')
   Call: (211) [system] char_type(:, end_of_line)
   Fail: (211) [system] char_type(:, end_of_line)
   Call: (211) [system] char_type(:, space)
   Fail: (211) [system] char_type(:, space)
   Call: (211) [system] char_type(:, cntrl)
   Fail: (211) [system] char_type(:, cntrl)
^  Fail: (210) [user] is_like_space(:)
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1518658)
   Exit: (209) [system] peek_char((0x55772f068e50), :)
   Call: (209) [system] (:)=')'
   Fail: (209) [system] (:)=')'
   Call: (209) [system] (:)=end_of_file
   Fail: (209) [system] (:)=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x55772f068e50), _1524228)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1526086)
   Exit: (211) [system] peek_char((0x55772f068e50), :)
   Call: (211) [system] (:)=(;)
   Fail: (211) [system] (:)=(;)
   Call: (211) [system] (:)=(/)
   Fail: (211) [system] (:)=(/)
^  Call: (211) [user] is_like_space(:)
   Call: (212) [system] char_type(:, 'white')
   Fail: (212) [system] char_type(:, 'white')
   Call: (212) [system] char_type(:, end_of_line)
   Fail: (212) [system] char_type(:, end_of_line)
   Call: (212) [system] char_type(:, space)
   Fail: (212) [system] char_type(:, space)
   Call: (212) [system] char_type(:, cntrl)
   Fail: (212) [system] char_type(:, cntrl)
^  Fail: (211) [user] is_like_space(:)
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] get_char((0x55772f068e50), _1542096)
   Exit: (210) [system] get_char((0x55772f068e50), :)
   Call: (210) [system] (:)='('
   Fail: (210) [system] (:)='('
   Call: (210) [system] (:)='['
   Fail: (210) [system] (:)='['
   Call: (210) [system] (:)='{'
   Fail: (210) [system] (:)='{'
   Call: (210) [system] (:)='"'
   Fail: (210) [system] (:)='"'
   Call: (210) [system] (:)=!
   Fail: (210) [system] (:)=!
   Call: (210) [system] (:)='\''
   Fail: (210) [system] (:)='\''
   Call: (210) [system] (:)='`'
   Fail: (210) [system] (:)='`'
   Call: (210) [system] (:)=end_of_file
   Fail: (210) [system] (:)=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x55772f068e50), :, _1524228)
^  Call: (211) [user] read_symbolic_cont(')', (0x55772f068e50), _1559738)
   Call: (212) [system] peek_char((0x55772f068e50), _1560672)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1559738=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (211) [user] classify_and_convert_charseq([:], _1524228)
^  Call: (212) [user] classify_and_convert_charseq_([:], _1569956)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1570908, _1570910), once(user:catch(read_from_chars([:], _1569956), _1570890, fail)), '$restore_trace'(_1570908, _1570910))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1570908, _1570910))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1570890, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(:)
   Exit: (213) [system] atomic(:)
^  Exit: (212) [user] classify_and_convert_charseq_([:], :)
   Call: (212) [system] integer(:)
   Fail: (212) [system] integer(:)
   Call: (212) [system] _1524228=(:)
   Exit: (212) [system] (:)=(:)
^  Exit: (211) [user] classify_and_convert_charseq([:], :)
^  Exit: (210) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (209) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (209) [user] read_list(')', (0x55772f068e50), _1583036)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1584894)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x55772f068e50), _1594488)
   Exit: (211) [system] get_char((0x55772f068e50), ' ')
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1597192)
   Exit: (212) [system] peek_char((0x55772f068e50), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1614126)
   Exit: (210) [system] peek_char((0x55772f068e50), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x55772f068e50), _1619696)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1621554)
   Exit: (212) [system] peek_char((0x55772f068e50), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] get_char((0x55772f068e50), _1637564)
   Exit: (211) [system] get_char((0x55772f068e50), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x55772f068e50), _1619696)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1643134)
   Exit: (213) [system] peek_char((0x55772f068e50), 'D')
   Call: (213) [system] 'D'=(;)
   Fail: (213) [system] 'D'=(;)
   Call: (213) [system] 'D'=(/)
   Fail: (213) [system] 'D'=(/)
^  Call: (213) [user] is_like_space('D')
   Call: (214) [system] char_type('D', 'white')
   Fail: (214) [system] char_type('D', 'white')
   Call: (214) [system] char_type('D', end_of_line)
   Fail: (214) [system] char_type('D', end_of_line)
   Call: (214) [system] char_type('D', space)
   Fail: (214) [system] char_type('D', space)
   Call: (214) [system] char_type('D', cntrl)
   Fail: (214) [system] char_type('D', cntrl)
^  Fail: (213) [user] is_like_space('D')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1659144)
   Exit: (212) [system] peek_char((0x55772f068e50), 'D')
   Call: (212) [system] 'D'=')'
   Fail: (212) [system] 'D'=')'
   Call: (212) [system] 'D'=end_of_file
   Fail: (212) [system] 'D'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x55772f068e50), _1664714)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1666572)
   Exit: (214) [system] peek_char((0x55772f068e50), 'D')
   Call: (214) [system] 'D'=(;)
   Fail: (214) [system] 'D'=(;)
   Call: (214) [system] 'D'=(/)
   Fail: (214) [system] 'D'=(/)
^  Call: (214) [user] is_like_space('D')
   Call: (215) [system] char_type('D', 'white')
   Fail: (215) [system] char_type('D', 'white')
   Call: (215) [system] char_type('D', end_of_line)
   Fail: (215) [system] char_type('D', end_of_line)
   Call: (215) [system] char_type('D', space)
   Fail: (215) [system] char_type('D', space)
   Call: (215) [system] char_type('D', cntrl)
   Fail: (215) [system] char_type('D', cntrl)
^  Fail: (214) [user] is_like_space('D')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] get_char((0x55772f068e50), _1682582)
   Exit: (213) [system] get_char((0x55772f068e50), 'D')
   Call: (213) [system] 'D'='('
   Fail: (213) [system] 'D'='('
   Call: (213) [system] 'D'='['
   Fail: (213) [system] 'D'='['
   Call: (213) [system] 'D'='{'
   Fail: (213) [system] 'D'='{'
   Call: (213) [system] 'D'='"'
   Fail: (213) [system] 'D'='"'
   Call: (213) [system] 'D'=!
   Fail: (213) [system] 'D'=!
   Call: (213) [system] 'D'='\''
   Fail: (213) [system] 'D'='\''
   Call: (213) [system] 'D'='`'
   Fail: (213) [system] 'D'='`'
   Call: (213) [system] 'D'=end_of_file
   Fail: (213) [system] 'D'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x55772f068e50), 'D', _1664714)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _1700224)
   Call: (215) [system] peek_char((0x55772f068e50), _1701158)
   Exit: (215) [system] peek_char((0x55772f068e50), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_1705878, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_1706810, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x55772f068e50), i)
   Exit: (215) [system] get_char((0x55772f068e50), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1714160)
   Call: (216) [system] peek_char((0x55772f068e50), _1715094)
   Exit: (216) [system] peek_char((0x55772f068e50), s)
^  Call: (216) [user] is_delimiter(s)
   Call: (217) [system] char_type(s, space)
   Fail: (217) [system] char_type(s, space)
   Call: (217) [system] arg(_1719814, v('(', ')', end_of_file), s)
   Fail: (217) [system] arg(_1720746, v('(', ')', end_of_file), s)
^  Fail: (216) [user] is_delimiter(s)
   Call: (216) [system] ')'==s
   Fail: (216) [system] ')'==s
   Call: (216) [system] get_char((0x55772f068e50), s)
   Exit: (216) [system] get_char((0x55772f068e50), s)
   Call: (216) [system] s=(\)
   Fail: (216) [system] s=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1728096)
   Call: (217) [system] peek_char((0x55772f068e50), _1729030)
   Exit: (217) [system] peek_char((0x55772f068e50), j)
^  Call: (217) [user] is_delimiter(j)
   Call: (218) [system] char_type(j, space)
   Fail: (218) [system] char_type(j, space)
   Call: (218) [system] arg(_1733750, v('(', ')', end_of_file), j)
   Fail: (218) [system] arg(_1734682, v('(', ')', end_of_file), j)
^  Fail: (217) [user] is_delimiter(j)
   Call: (217) [system] ')'==j
   Fail: (217) [system] ')'==j
   Call: (217) [system] get_char((0x55772f068e50), j)
   Exit: (217) [system] get_char((0x55772f068e50), j)
   Call: (217) [system] j=(\)
   Fail: (217) [system] j=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1742032)
   Call: (218) [system] peek_char((0x55772f068e50), _1742966)
   Exit: (218) [system] peek_char((0x55772f068e50), u)
^  Call: (218) [user] is_delimiter(u)
   Call: (219) [system] char_type(u, space)
   Fail: (219) [system] char_type(u, space)
   Call: (219) [system] arg(_1747686, v('(', ')', end_of_file), u)
   Fail: (219) [system] arg(_1748618, v('(', ')', end_of_file), u)
^  Fail: (218) [user] is_delimiter(u)
   Call: (218) [system] ')'==u
   Fail: (218) [system] ')'==u
   Call: (218) [system] get_char((0x55772f068e50), u)
   Exit: (218) [system] get_char((0x55772f068e50), u)
   Call: (218) [system] u=(\)
   Fail: (218) [system] u=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1755968)
   Call: (219) [system] peek_char((0x55772f068e50), _1756902)
   Exit: (219) [system] peek_char((0x55772f068e50), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1761622, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1762554, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x55772f068e50), n)
   Exit: (219) [system] get_char((0x55772f068e50), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1769904)
   Call: (220) [system] peek_char((0x55772f068e50), _1770838)
   Exit: (220) [system] peek_char((0x55772f068e50), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_1775558, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_1776490, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x55772f068e50), c)
   Exit: (220) [system] get_char((0x55772f068e50), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1783840)
   Call: (221) [system] peek_char((0x55772f068e50), _1784774)
   Exit: (221) [system] peek_char((0x55772f068e50), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_1789494, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_1790426, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x55772f068e50), t)
   Exit: (221) [system] get_char((0x55772f068e50), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1797776)
   Call: (222) [system] peek_char((0x55772f068e50), _1798710)
   Exit: (222) [system] peek_char((0x55772f068e50), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1803430, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_1804362, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x55772f068e50), i)
   Exit: (222) [system] get_char((0x55772f068e50), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1811712)
   Call: (223) [system] peek_char((0x55772f068e50), _1812646)
   Exit: (223) [system] peek_char((0x55772f068e50), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_1817366, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_1818298, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x55772f068e50), o)
   Exit: (223) [system] get_char((0x55772f068e50), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1825648)
   Call: (224) [system] peek_char((0x55772f068e50), _1826582)
   Exit: (224) [system] peek_char((0x55772f068e50), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1831302, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1832234, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x55772f068e50), n)
   Exit: (224) [system] get_char((0x55772f068e50), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1839584)
   Call: (225) [system] peek_char((0x55772f068e50), _1840518)
   Exit: (225) [system] peek_char((0x55772f068e50), 'I')
^  Call: (225) [user] is_delimiter('I')
   Call: (226) [system] char_type('I', space)
   Fail: (226) [system] char_type('I', space)
   Call: (226) [system] arg(_1845238, v('(', ')', end_of_file), 'I')
   Fail: (226) [system] arg(_1846170, v('(', ')', end_of_file), 'I')
^  Fail: (225) [user] is_delimiter('I')
   Call: (225) [system] ')'=='I'
   Fail: (225) [system] ')'=='I'
   Call: (225) [system] get_char((0x55772f068e50), 'I')
   Exit: (225) [system] get_char((0x55772f068e50), 'I')
   Call: (225) [system] 'I'=(\)
   Fail: (225) [system] 'I'=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1853520)
   Call: (226) [system] peek_char((0x55772f068e50), _1854454)
   Exit: (226) [system] peek_char((0x55772f068e50), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1859174, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1860106, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x55772f068e50), n)
   Exit: (226) [system] get_char((0x55772f068e50), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1867456)
   Call: (227) [system] peek_char((0x55772f068e50), _1868390)
   Exit: (227) [system] peek_char((0x55772f068e50), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_1873110, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_1874042, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x55772f068e50), t)
   Exit: (227) [system] get_char((0x55772f068e50), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1881392)
   Call: (228) [system] peek_char((0x55772f068e50), _1882326)
   Exit: (228) [system] peek_char((0x55772f068e50), r)
^  Call: (228) [user] is_delimiter(r)
   Call: (229) [system] char_type(r, space)
   Fail: (229) [system] char_type(r, space)
   Call: (229) [system] arg(_1887046, v('(', ')', end_of_file), r)
   Fail: (229) [system] arg(_1887978, v('(', ')', end_of_file), r)
^  Fail: (228) [user] is_delimiter(r)
   Call: (228) [system] ')'==r
   Fail: (228) [system] ')'==r
   Call: (228) [system] get_char((0x55772f068e50), r)
   Exit: (228) [system] get_char((0x55772f068e50), r)
   Call: (228) [system] r=(\)
   Fail: (228) [system] r=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1895328)
   Call: (229) [system] peek_char((0x55772f068e50), _1896262)
   Exit: (229) [system] peek_char((0x55772f068e50), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_1900982, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_1901914, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x55772f068e50), o)
   Exit: (229) [system] get_char((0x55772f068e50), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1909264)
   Call: (230) [system] peek_char((0x55772f068e50), _1910198)
   Exit: (230) [system] peek_char((0x55772f068e50), d)
^  Call: (230) [user] is_delimiter(d)
   Call: (231) [system] char_type(d, space)
   Fail: (231) [system] char_type(d, space)
   Call: (231) [system] arg(_1914918, v('(', ')', end_of_file), d)
   Fail: (231) [system] arg(_1915850, v('(', ')', end_of_file), d)
^  Fail: (230) [user] is_delimiter(d)
   Call: (230) [system] ')'==d
   Fail: (230) [system] ')'==d
   Call: (230) [system] get_char((0x55772f068e50), d)
   Exit: (230) [system] get_char((0x55772f068e50), d)
   Call: (230) [system] d=(\)
   Fail: (230) [system] d=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1923200)
   Call: (231) [system] peek_char((0x55772f068e50), _1924134)
   Exit: (231) [system] peek_char((0x55772f068e50), u)
^  Call: (231) [user] is_delimiter(u)
   Call: (232) [system] char_type(u, space)
   Fail: (232) [system] char_type(u, space)
   Call: (232) [system] arg(_1928854, v('(', ')', end_of_file), u)
   Fail: (232) [system] arg(_1929786, v('(', ')', end_of_file), u)
^  Fail: (231) [user] is_delimiter(u)
   Call: (231) [system] ')'==u
   Fail: (231) [system] ')'==u
   Call: (231) [system] get_char((0x55772f068e50), u)
   Exit: (231) [system] get_char((0x55772f068e50), u)
   Call: (231) [system] u=(\)
   Fail: (231) [system] u=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1937136)
   Call: (232) [system] peek_char((0x55772f068e50), _1938070)
   Exit: (232) [system] peek_char((0x55772f068e50), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Fail: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_1942790, v('(', ')', end_of_file), c)
   Fail: (233) [system] arg(_1943722, v('(', ')', end_of_file), c)
^  Fail: (232) [user] is_delimiter(c)
   Call: (232) [system] ')'==c
   Fail: (232) [system] ')'==c
   Call: (232) [system] get_char((0x55772f068e50), c)
   Exit: (232) [system] get_char((0x55772f068e50), c)
   Call: (232) [system] c=(\)
   Fail: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1951072)
   Call: (233) [system] peek_char((0x55772f068e50), _1952006)
   Exit: (233) [system] peek_char((0x55772f068e50), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Fail: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_1956726, v('(', ')', end_of_file), t)
   Fail: (234) [system] arg(_1957658, v('(', ')', end_of_file), t)
^  Fail: (233) [user] is_delimiter(t)
   Call: (233) [system] ')'==t
   Fail: (233) [system] ')'==t
   Call: (233) [system] get_char((0x55772f068e50), t)
   Exit: (233) [system] get_char((0x55772f068e50), t)
   Call: (233) [system] t=(\)
   Fail: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1965008)
   Call: (234) [system] peek_char((0x55772f068e50), _1965942)
   Exit: (234) [system] peek_char((0x55772f068e50), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_1970662, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_1971594, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x55772f068e50), i)
   Exit: (234) [system] get_char((0x55772f068e50), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1978944)
   Call: (235) [system] peek_char((0x55772f068e50), _1979878)
   Exit: (235) [system] peek_char((0x55772f068e50), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Fail: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_1984598, v('(', ')', end_of_file), o)
   Fail: (236) [system] arg(_1985530, v('(', ')', end_of_file), o)
^  Fail: (235) [user] is_delimiter(o)
   Call: (235) [system] ')'==o
   Fail: (235) [system] ')'==o
   Call: (235) [system] get_char((0x55772f068e50), o)
   Exit: (235) [system] get_char((0x55772f068e50), o)
   Call: (235) [system] o=(\)
   Fail: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1992880)
   Call: (236) [system] peek_char((0x55772f068e50), _1993814)
   Exit: (236) [system] peek_char((0x55772f068e50), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1998534, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_1999466, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x55772f068e50), n)
   Exit: (236) [system] get_char((0x55772f068e50), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _2006816)
   Call: (237) [system] peek_char((0x55772f068e50), _2007750)
   Exit: (237) [system] peek_char((0x55772f068e50), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _2006816=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (236) [system] _1992880=[n]
   Exit: (236) [system] [n]=[n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (235) [system] _1978944=[o, n]
   Exit: (235) [system] [o, n]=[o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (234) [system] _1965008=[i, o, n]
   Exit: (234) [system] [i, o, n]=[i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (233) [system] _1951072=[t, i, o, n]
   Exit: (233) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (232) [system] _1937136=[c, t, i, o, n]
   Exit: (232) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (231) [system] _1923200=[u, c, t, i, o, n]
   Exit: (231) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (230) [system] _1909264=[d, u, c, t, i, o, n]
   Exit: (230) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (229) [system] _1895328=[o, d, u, c, t, i, o, n]
   Exit: (229) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (228) [system] _1881392=[r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1867456=[t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1853520=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1839584=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1825648=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1811712=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1797776=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1783840=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1769904=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1755968=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1742032=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1728096=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1714160=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1700224=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (214) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1664714)
^  Call: (215) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _2078502)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_2079454, _2079456), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _2078502), _2079436, fail)), '$restore_trace'(_2079454, _2079456))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_2079454, _2079456))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _2078502), _2079436, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_2078502)
   Fail: (216) [system] atomic(_2078502)
   Call: (216) [system] atom_chars(_2078502, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (216) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (215) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (215) [system] integer('DisjunctionIntroduction')
   Fail: (215) [system] integer('DisjunctionIntroduction')
   Call: (215) [system] _1664714='DisjunctionIntroduction'
   Exit: (215) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (214) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (213) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (212) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (212) [user] read_list(')', (0x55772f068e50), _2093452)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _2095310)
   Exit: (214) [system] peek_char((0x55772f068e50), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x55772f068e50), _12970)
   Exit: (214) [system] get_char((0x55772f068e50), ' ')
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _15674)
   Exit: (215) [system] peek_char((0x55772f068e50), a)
   Call: (215) [system] a=(;)
   Fail: (215) [system] a=(;)
   Call: (215) [system] a=(/)
   Fail: (215) [system] a=(/)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Fail: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Fail: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
   Fail: (216) [system] char_type(a, cntrl)
^  Fail: (215) [user] is_like_space(a)
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _32608)
   Exit: (213) [system] peek_char((0x55772f068e50), a)
   Call: (213) [system] a=')'
   Fail: (213) [system] a=')'
   Call: (213) [system] a=end_of_file
   Fail: (213) [system] a=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _38178)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _40036)
   Exit: (215) [system] peek_char((0x55772f068e50), a)
   Call: (215) [system] a=(;)
   Fail: (215) [system] a=(;)
   Call: (215) [system] a=(/)
   Fail: (215) [system] a=(/)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Fail: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Fail: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
   Fail: (216) [system] char_type(a, cntrl)
^  Fail: (215) [user] is_like_space(a)
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _56046)
   Exit: (214) [system] get_char((0x55772f068e50), a)
   Call: (214) [system] a='('
   Fail: (214) [system] a='('
   Call: (214) [system] a='['
   Fail: (214) [system] a='['
   Call: (214) [system] a='{'
   Fail: (214) [system] a='{'
   Call: (214) [system] a='"'
   Fail: (214) [system] a='"'
   Call: (214) [system] a=!
   Fail: (214) [system] a=!
   Call: (214) [system] a='\''
   Fail: (214) [system] a='\''
   Call: (214) [system] a='`'
   Fail: (214) [system] a='`'
   Call: (214) [system] a=end_of_file
   Fail: (214) [system] a=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x55772f068e50), a, _38178)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _73688)
   Call: (216) [system] peek_char((0x55772f068e50), _74622)
   Exit: (216) [system] peek_char((0x55772f068e50), b)
^  Call: (216) [user] is_delimiter(b)
   Call: (217) [system] char_type(b, space)
   Fail: (217) [system] char_type(b, space)
   Call: (217) [system] arg(_79342, v('(', ')', end_of_file), b)
   Fail: (217) [system] arg(_80274, v('(', ')', end_of_file), b)
^  Fail: (216) [user] is_delimiter(b)
   Call: (216) [system] ')'==b
   Fail: (216) [system] ')'==b
   Call: (216) [system] get_char((0x55772f068e50), b)
   Exit: (216) [system] get_char((0x55772f068e50), b)
   Call: (216) [system] b=(\)
   Fail: (216) [system] b=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _87624)
   Call: (217) [system] peek_char((0x55772f068e50), _88558)
   Exit: (217) [system] peek_char((0x55772f068e50), c)
^  Call: (217) [user] is_delimiter(c)
   Call: (218) [system] char_type(c, space)
   Fail: (218) [system] char_type(c, space)
   Call: (218) [system] arg(_93278, v('(', ')', end_of_file), c)
   Fail: (218) [system] arg(_94210, v('(', ')', end_of_file), c)
^  Fail: (217) [user] is_delimiter(c)
   Call: (217) [system] ')'==c
   Fail: (217) [system] ')'==c
   Call: (217) [system] get_char((0x55772f068e50), c)
   Exit: (217) [system] get_char((0x55772f068e50), c)
   Call: (217) [system] c=(\)
   Fail: (217) [system] c=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _101560)
   Call: (218) [system] peek_char((0x55772f068e50), _102494)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _101560=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (217) [system] _87624=[c]
   Exit: (217) [system] [c]=[c]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (216) [system] _73688=[b, c]
   Exit: (216) [system] [b, c]=[b, c]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (215) [user] classify_and_convert_charseq([a, b, c], _38178)
^  Call: (216) [user] classify_and_convert_charseq_([a, b, c], _117366)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_118318, _118320), once(user:catch(read_from_chars([a, b, c], _117366), _118300, fail)), '$restore_trace'(_118318, _118320))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_118318, _118320))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _118300, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(abc)
   Exit: (217) [system] atomic(abc)
^  Exit: (216) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (216) [system] integer(abc)
   Fail: (216) [system] integer(abc)
   Call: (216) [system] _38178=abc
   Exit: (216) [system] abc=abc
^  Exit: (215) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (214) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (213) [user] read_list(')', (0x55772f068e50), _130446)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _132304)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x55772f068e50), _141898)
   Exit: (215) [system] get_char((0x55772f068e50), ' ')
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _144602)
   Exit: (216) [system] peek_char((0x55772f068e50), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _161536)
   Exit: (214) [system] peek_char((0x55772f068e50), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _167106)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _168964)
   Exit: (216) [system] peek_char((0x55772f068e50), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _184974)
   Exit: (215) [system] get_char((0x55772f068e50), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x55772f068e50), _167106)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _190544)
   Exit: (217) [system] peek_char((0x55772f068e50), 'D')
   Call: (217) [system] 'D'=(;)
   Fail: (217) [system] 'D'=(;)
   Call: (217) [system] 'D'=(/)
   Fail: (217) [system] 'D'=(/)
^  Call: (217) [user] is_like_space('D')
   Call: (218) [system] char_type('D', 'white')
   Fail: (218) [system] char_type('D', 'white')
   Call: (218) [system] char_type('D', end_of_line)
   Fail: (218) [system] char_type('D', end_of_line)
   Call: (218) [system] char_type('D', space)
   Fail: (218) [system] char_type('D', space)
   Call: (218) [system] char_type('D', cntrl)
   Fail: (218) [system] char_type('D', cntrl)
^  Fail: (217) [user] is_like_space('D')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _206554)
   Exit: (216) [system] peek_char((0x55772f068e50), 'D')
   Call: (216) [system] 'D'=')'
   Fail: (216) [system] 'D'=')'
   Call: (216) [system] 'D'=end_of_file
   Fail: (216) [system] 'D'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x55772f068e50), _212124)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _213982)
   Exit: (218) [system] peek_char((0x55772f068e50), 'D')
   Call: (218) [system] 'D'=(;)
   Fail: (218) [system] 'D'=(;)
   Call: (218) [system] 'D'=(/)
   Fail: (218) [system] 'D'=(/)
^  Call: (218) [user] is_like_space('D')
   Call: (219) [system] char_type('D', 'white')
   Fail: (219) [system] char_type('D', 'white')
   Call: (219) [system] char_type('D', end_of_line)
   Fail: (219) [system] char_type('D', end_of_line)
   Call: (219) [system] char_type('D', space)
   Fail: (219) [system] char_type('D', space)
   Call: (219) [system] char_type('D', cntrl)
   Fail: (219) [system] char_type('D', cntrl)
^  Fail: (218) [user] is_like_space('D')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] get_char((0x55772f068e50), _229992)
   Exit: (217) [system] get_char((0x55772f068e50), 'D')
   Call: (217) [system] 'D'='('
   Fail: (217) [system] 'D'='('
   Call: (217) [system] 'D'='['
   Fail: (217) [system] 'D'='['
   Call: (217) [system] 'D'='{'
   Fail: (217) [system] 'D'='{'
   Call: (217) [system] 'D'='"'
   Fail: (217) [system] 'D'='"'
   Call: (217) [system] 'D'=!
   Fail: (217) [system] 'D'=!
   Call: (217) [system] 'D'='\''
   Fail: (217) [system] 'D'='\''
   Call: (217) [system] 'D'='`'
   Fail: (217) [system] 'D'='`'
   Call: (217) [system] 'D'=end_of_file
   Fail: (217) [system] 'D'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x55772f068e50), 'D', _212124)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _247634)
   Call: (219) [system] peek_char((0x55772f068e50), _248568)
   Exit: (219) [system] peek_char((0x55772f068e50), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_253288, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_254220, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x55772f068e50), i)
   Exit: (219) [system] get_char((0x55772f068e50), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _261570)
   Call: (220) [system] peek_char((0x55772f068e50), _262504)
   Exit: (220) [system] peek_char((0x55772f068e50), s)
^  Call: (220) [user] is_delimiter(s)
   Call: (221) [system] char_type(s, space)
   Fail: (221) [system] char_type(s, space)
   Call: (221) [system] arg(_267224, v('(', ')', end_of_file), s)
   Fail: (221) [system] arg(_268156, v('(', ')', end_of_file), s)
^  Fail: (220) [user] is_delimiter(s)
   Call: (220) [system] ')'==s
   Fail: (220) [system] ')'==s
   Call: (220) [system] get_char((0x55772f068e50), s)
   Exit: (220) [system] get_char((0x55772f068e50), s)
   Call: (220) [system] s=(\)
   Fail: (220) [system] s=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _275506)
   Call: (221) [system] peek_char((0x55772f068e50), _276440)
   Exit: (221) [system] peek_char((0x55772f068e50), j)
^  Call: (221) [user] is_delimiter(j)
   Call: (222) [system] char_type(j, space)
   Fail: (222) [system] char_type(j, space)
   Call: (222) [system] arg(_281160, v('(', ')', end_of_file), j)
   Fail: (222) [system] arg(_282092, v('(', ')', end_of_file), j)
^  Fail: (221) [user] is_delimiter(j)
   Call: (221) [system] ')'==j
   Fail: (221) [system] ')'==j
   Call: (221) [system] get_char((0x55772f068e50), j)
   Exit: (221) [system] get_char((0x55772f068e50), j)
   Call: (221) [system] j=(\)
   Fail: (221) [system] j=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _289442)
   Call: (222) [system] peek_char((0x55772f068e50), _290376)
   Exit: (222) [system] peek_char((0x55772f068e50), u)
^  Call: (222) [user] is_delimiter(u)
   Call: (223) [system] char_type(u, space)
   Fail: (223) [system] char_type(u, space)
   Call: (223) [system] arg(_295096, v('(', ')', end_of_file), u)
   Fail: (223) [system] arg(_296028, v('(', ')', end_of_file), u)
^  Fail: (222) [user] is_delimiter(u)
   Call: (222) [system] ')'==u
   Fail: (222) [system] ')'==u
   Call: (222) [system] get_char((0x55772f068e50), u)
   Exit: (222) [system] get_char((0x55772f068e50), u)
   Call: (222) [system] u=(\)
   Fail: (222) [system] u=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _303378)
   Call: (223) [system] peek_char((0x55772f068e50), _304312)
   Exit: (223) [system] peek_char((0x55772f068e50), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_309032, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_309964, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x55772f068e50), n)
   Exit: (223) [system] get_char((0x55772f068e50), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _317314)
   Call: (224) [system] peek_char((0x55772f068e50), _318248)
   Exit: (224) [system] peek_char((0x55772f068e50), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_322968, v('(', ')', end_of_file), c)
   Fail: (225) [system] arg(_323900, v('(', ')', end_of_file), c)
^  Fail: (224) [user] is_delimiter(c)
   Call: (224) [system] ')'==c
   Fail: (224) [system] ')'==c
   Call: (224) [system] get_char((0x55772f068e50), c)
   Exit: (224) [system] get_char((0x55772f068e50), c)
   Call: (224) [system] c=(\)
   Fail: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _331250)
   Call: (225) [system] peek_char((0x55772f068e50), _332184)
   Exit: (225) [system] peek_char((0x55772f068e50), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_336904, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_337836, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x55772f068e50), t)
   Exit: (225) [system] get_char((0x55772f068e50), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _345186)
   Call: (226) [system] peek_char((0x55772f068e50), _346120)
   Exit: (226) [system] peek_char((0x55772f068e50), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_350840, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_351772, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x55772f068e50), i)
   Exit: (226) [system] get_char((0x55772f068e50), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _359122)
   Call: (227) [system] peek_char((0x55772f068e50), _360056)
   Exit: (227) [system] peek_char((0x55772f068e50), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_364776, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_365708, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x55772f068e50), o)
   Exit: (227) [system] get_char((0x55772f068e50), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _373058)
   Call: (228) [system] peek_char((0x55772f068e50), _373992)
   Exit: (228) [system] peek_char((0x55772f068e50), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_378712, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_379644, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x55772f068e50), n)
   Exit: (228) [system] get_char((0x55772f068e50), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _386994)
   Call: (229) [system] peek_char((0x55772f068e50), _387928)
   Exit: (229) [system] peek_char((0x55772f068e50), 'I')
^  Call: (229) [user] is_delimiter('I')
   Call: (230) [system] char_type('I', space)
   Fail: (230) [system] char_type('I', space)
   Call: (230) [system] arg(_392648, v('(', ')', end_of_file), 'I')
   Fail: (230) [system] arg(_393580, v('(', ')', end_of_file), 'I')
^  Fail: (229) [user] is_delimiter('I')
   Call: (229) [system] ')'=='I'
   Fail: (229) [system] ')'=='I'
   Call: (229) [system] get_char((0x55772f068e50), 'I')
   Exit: (229) [system] get_char((0x55772f068e50), 'I')
   Call: (229) [system] 'I'=(\)
   Fail: (229) [system] 'I'=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _400930)
   Call: (230) [system] peek_char((0x55772f068e50), _401864)
   Exit: (230) [system] peek_char((0x55772f068e50), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_406584, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_407516, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x55772f068e50), n)
   Exit: (230) [system] get_char((0x55772f068e50), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _414866)
   Call: (231) [system] peek_char((0x55772f068e50), _415800)
   Exit: (231) [system] peek_char((0x55772f068e50), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Fail: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_420520, v('(', ')', end_of_file), t)
   Fail: (232) [system] arg(_421452, v('(', ')', end_of_file), t)
^  Fail: (231) [user] is_delimiter(t)
   Call: (231) [system] ')'==t
   Fail: (231) [system] ')'==t
   Call: (231) [system] get_char((0x55772f068e50), t)
   Exit: (231) [system] get_char((0x55772f068e50), t)
   Call: (231) [system] t=(\)
   Fail: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _428802)
   Call: (232) [system] peek_char((0x55772f068e50), _429736)
   Exit: (232) [system] peek_char((0x55772f068e50), r)
^  Call: (232) [user] is_delimiter(r)
   Call: (233) [system] char_type(r, space)
   Fail: (233) [system] char_type(r, space)
   Call: (233) [system] arg(_434456, v('(', ')', end_of_file), r)
   Fail: (233) [system] arg(_435388, v('(', ')', end_of_file), r)
^  Fail: (232) [user] is_delimiter(r)
   Call: (232) [system] ')'==r
   Fail: (232) [system] ')'==r
   Call: (232) [system] get_char((0x55772f068e50), r)
   Exit: (232) [system] get_char((0x55772f068e50), r)
   Call: (232) [system] r=(\)
   Fail: (232) [system] r=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _442738)
   Call: (233) [system] peek_char((0x55772f068e50), _443672)
   Exit: (233) [system] peek_char((0x55772f068e50), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Fail: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_448392, v('(', ')', end_of_file), o)
   Fail: (234) [system] arg(_449324, v('(', ')', end_of_file), o)
^  Fail: (233) [user] is_delimiter(o)
   Call: (233) [system] ')'==o
   Fail: (233) [system] ')'==o
   Call: (233) [system] get_char((0x55772f068e50), o)
   Exit: (233) [system] get_char((0x55772f068e50), o)
   Call: (233) [system] o=(\)
   Fail: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _456674)
   Call: (234) [system] peek_char((0x55772f068e50), _457608)
   Exit: (234) [system] peek_char((0x55772f068e50), d)
^  Call: (234) [user] is_delimiter(d)
   Call: (235) [system] char_type(d, space)
   Fail: (235) [system] char_type(d, space)
   Call: (235) [system] arg(_462328, v('(', ')', end_of_file), d)
   Fail: (235) [system] arg(_463260, v('(', ')', end_of_file), d)
^  Fail: (234) [user] is_delimiter(d)
   Call: (234) [system] ')'==d
   Fail: (234) [system] ')'==d
   Call: (234) [system] get_char((0x55772f068e50), d)
   Exit: (234) [system] get_char((0x55772f068e50), d)
   Call: (234) [system] d=(\)
   Fail: (234) [system] d=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _470610)
   Call: (235) [system] peek_char((0x55772f068e50), _471544)
   Exit: (235) [system] peek_char((0x55772f068e50), u)
^  Call: (235) [user] is_delimiter(u)
   Call: (236) [system] char_type(u, space)
   Fail: (236) [system] char_type(u, space)
   Call: (236) [system] arg(_476264, v('(', ')', end_of_file), u)
   Fail: (236) [system] arg(_477196, v('(', ')', end_of_file), u)
^  Fail: (235) [user] is_delimiter(u)
   Call: (235) [system] ')'==u
   Fail: (235) [system] ')'==u
   Call: (235) [system] get_char((0x55772f068e50), u)
   Exit: (235) [system] get_char((0x55772f068e50), u)
   Call: (235) [system] u=(\)
   Fail: (235) [system] u=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _484546)
   Call: (236) [system] peek_char((0x55772f068e50), _485480)
   Exit: (236) [system] peek_char((0x55772f068e50), c)
^  Call: (236) [user] is_delimiter(c)
   Call: (237) [system] char_type(c, space)
   Fail: (237) [system] char_type(c, space)
   Call: (237) [system] arg(_490200, v('(', ')', end_of_file), c)
   Fail: (237) [system] arg(_491132, v('(', ')', end_of_file), c)
^  Fail: (236) [user] is_delimiter(c)
   Call: (236) [system] ')'==c
   Fail: (236) [system] ')'==c
   Call: (236) [system] get_char((0x55772f068e50), c)
   Exit: (236) [system] get_char((0x55772f068e50), c)
   Call: (236) [system] c=(\)
   Fail: (236) [system] c=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _498482)
   Call: (237) [system] peek_char((0x55772f068e50), _499416)
   Exit: (237) [system] peek_char((0x55772f068e50), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Fail: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_504136, v('(', ')', end_of_file), t)
   Fail: (238) [system] arg(_505068, v('(', ')', end_of_file), t)
^  Fail: (237) [user] is_delimiter(t)
   Call: (237) [system] ')'==t
   Fail: (237) [system] ')'==t
   Call: (237) [system] get_char((0x55772f068e50), t)
   Exit: (237) [system] get_char((0x55772f068e50), t)
   Call: (237) [system] t=(\)
   Fail: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _512418)
   Call: (238) [system] peek_char((0x55772f068e50), _513352)
   Exit: (238) [system] peek_char((0x55772f068e50), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Fail: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_518072, v('(', ')', end_of_file), i)
   Fail: (239) [system] arg(_519004, v('(', ')', end_of_file), i)
^  Fail: (238) [user] is_delimiter(i)
   Call: (238) [system] ')'==i
   Fail: (238) [system] ')'==i
   Call: (238) [system] get_char((0x55772f068e50), i)
   Exit: (238) [system] get_char((0x55772f068e50), i)
   Call: (238) [system] i=(\)
   Fail: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _526354)
   Call: (239) [system] peek_char((0x55772f068e50), _527288)
   Exit: (239) [system] peek_char((0x55772f068e50), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Fail: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_532008, v('(', ')', end_of_file), o)
   Fail: (240) [system] arg(_532940, v('(', ')', end_of_file), o)
^  Fail: (239) [user] is_delimiter(o)
   Call: (239) [system] ')'==o
   Fail: (239) [system] ')'==o
   Call: (239) [system] get_char((0x55772f068e50), o)
   Exit: (239) [system] get_char((0x55772f068e50), o)
   Call: (239) [system] o=(\)
   Fail: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _540290)
   Call: (240) [system] peek_char((0x55772f068e50), _541224)
   Exit: (240) [system] peek_char((0x55772f068e50), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Fail: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_545944, v('(', ')', end_of_file), n)
   Fail: (241) [system] arg(_546876, v('(', ')', end_of_file), n)
^  Fail: (240) [user] is_delimiter(n)
   Call: (240) [system] ')'==n
   Fail: (240) [system] ')'==n
   Call: (240) [system] get_char((0x55772f068e50), n)
   Exit: (240) [system] get_char((0x55772f068e50), n)
   Call: (240) [system] n=(\)
   Fail: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _554226)
   Call: (241) [system] peek_char((0x55772f068e50), _555160)
   Exit: (241) [system] peek_char((0x55772f068e50), ' ')
^  Call: (241) [user] is_delimiter(' ')
   Call: (242) [system] char_type(' ', space)
   Exit: (242) [system] char_type(' ', space)
^  Exit: (241) [user] is_delimiter(' ')
   Call: (241) [system] _554226=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (240) [system] _540290=[n]
   Exit: (240) [system] [n]=[n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (239) [system] _526354=[o, n]
   Exit: (239) [system] [o, n]=[o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (238) [system] _512418=[i, o, n]
   Exit: (238) [system] [i, o, n]=[i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (237) [system] _498482=[t, i, o, n]
   Exit: (237) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (236) [system] _484546=[c, t, i, o, n]
   Exit: (236) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (235) [system] _470610=[u, c, t, i, o, n]
   Exit: (235) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (234) [system] _456674=[d, u, c, t, i, o, n]
   Exit: (234) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (233) [system] _442738=[o, d, u, c, t, i, o, n]
   Exit: (233) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (232) [system] _428802=[r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _414866=[t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _400930=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _386994=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _373058=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _359122=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _345186=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _331250=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _317314=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _303378=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _289442=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _275506=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _261570=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _247634=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (218) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _212124)
^  Call: (219) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _625912)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_626864, _626866), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _625912), _626846, fail)), '$restore_trace'(_626864, _626866))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_626864, _626866))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _625912), _626846, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_625912)
   Fail: (220) [system] atomic(_625912)
   Call: (220) [system] atom_chars(_625912, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (220) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (219) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (219) [system] integer('DisjunctionIntroduction')
   Fail: (219) [system] integer('DisjunctionIntroduction')
   Call: (219) [system] _212124='DisjunctionIntroduction'
   Exit: (219) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (218) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (217) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (216) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (216) [user] read_list(')', (0x55772f068e50), _640862)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _642720)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x55772f068e50), _652314)
   Exit: (218) [system] get_char((0x55772f068e50), ' ')
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _655018)
   Exit: (219) [system] peek_char((0x55772f068e50), a)
   Call: (219) [system] a=(;)
   Fail: (219) [system] a=(;)
   Call: (219) [system] a=(/)
   Fail: (219) [system] a=(/)
^  Call: (219) [user] is_like_space(a)
   Call: (220) [system] char_type(a, 'white')
   Fail: (220) [system] char_type(a, 'white')
   Call: (220) [system] char_type(a, end_of_line)
   Fail: (220) [system] char_type(a, end_of_line)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] char_type(a, cntrl)
   Fail: (220) [system] char_type(a, cntrl)
^  Fail: (219) [user] is_like_space(a)
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _671952)
   Exit: (217) [system] peek_char((0x55772f068e50), a)
   Call: (217) [system] a=')'
   Fail: (217) [system] a=')'
   Call: (217) [system] a=end_of_file
   Fail: (217) [system] a=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _677522)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _679380)
   Exit: (219) [system] peek_char((0x55772f068e50), a)
   Call: (219) [system] a=(;)
   Fail: (219) [system] a=(;)
   Call: (219) [system] a=(/)
   Fail: (219) [system] a=(/)
^  Call: (219) [user] is_like_space(a)
   Call: (220) [system] char_type(a, 'white')
   Fail: (220) [system] char_type(a, 'white')
   Call: (220) [system] char_type(a, end_of_line)
   Fail: (220) [system] char_type(a, end_of_line)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] char_type(a, cntrl)
   Fail: (220) [system] char_type(a, cntrl)
^  Fail: (219) [user] is_like_space(a)
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _695390)
   Exit: (218) [system] get_char((0x55772f068e50), a)
   Call: (218) [system] a='('
   Fail: (218) [system] a='('
   Call: (218) [system] a='['
   Fail: (218) [system] a='['
   Call: (218) [system] a='{'
   Fail: (218) [system] a='{'
   Call: (218) [system] a='"'
   Fail: (218) [system] a='"'
   Call: (218) [system] a=!
   Fail: (218) [system] a=!
   Call: (218) [system] a='\''
   Fail: (218) [system] a='\''
   Call: (218) [system] a='`'
   Fail: (218) [system] a='`'
   Call: (218) [system] a=end_of_file
   Fail: (218) [system] a=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x55772f068e50), a, _677522)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _713032)
   Call: (220) [system] peek_char((0x55772f068e50), _713966)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _713032=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (219) [user] classify_and_convert_charseq([a], _677522)
^  Call: (220) [user] classify_and_convert_charseq_([a], _723250)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_724202, _724204), once(user:catch(read_from_chars([a], _723250), _724184, fail)), '$restore_trace'(_724202, _724204))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_724202, _724204))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _724184, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(a)
   Exit: (221) [system] atomic(a)
^  Exit: (220) [user] classify_and_convert_charseq_([a], a)
   Call: (220) [system] integer(a)
   Fail: (220) [system] integer(a)
   Call: (220) [system] _677522=a
   Exit: (220) [system] a=a
^  Exit: (219) [user] classify_and_convert_charseq([a], a)
^  Exit: (218) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (217) [user] read_list(')', (0x55772f068e50), _736330)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _738188)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x55772f068e50), _747782)
   Exit: (219) [system] get_char((0x55772f068e50), ' ')
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _750486)
   Exit: (220) [system] peek_char((0x55772f068e50), a)
   Call: (220) [system] a=(;)
   Fail: (220) [system] a=(;)
   Call: (220) [system] a=(/)
   Fail: (220) [system] a=(/)
^  Call: (220) [user] is_like_space(a)
   Call: (221) [system] char_type(a, 'white')
   Fail: (221) [system] char_type(a, 'white')
   Call: (221) [system] char_type(a, end_of_line)
   Fail: (221) [system] char_type(a, end_of_line)
   Call: (221) [system] char_type(a, space)
   Fail: (221) [system] char_type(a, space)
   Call: (221) [system] char_type(a, cntrl)
   Fail: (221) [system] char_type(a, cntrl)
^  Fail: (220) [user] is_like_space(a)
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _767420)
   Exit: (218) [system] peek_char((0x55772f068e50), a)
   Call: (218) [system] a=')'
   Fail: (218) [system] a=')'
   Call: (218) [system] a=end_of_file
   Fail: (218) [system] a=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _772990)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _774848)
   Exit: (220) [system] peek_char((0x55772f068e50), a)
   Call: (220) [system] a=(;)
   Fail: (220) [system] a=(;)
   Call: (220) [system] a=(/)
   Fail: (220) [system] a=(/)
^  Call: (220) [user] is_like_space(a)
   Call: (221) [system] char_type(a, 'white')
   Fail: (221) [system] char_type(a, 'white')
   Call: (221) [system] char_type(a, end_of_line)
   Fail: (221) [system] char_type(a, end_of_line)
   Call: (221) [system] char_type(a, space)
   Fail: (221) [system] char_type(a, space)
   Call: (221) [system] char_type(a, cntrl)
   Fail: (221) [system] char_type(a, cntrl)
^  Fail: (220) [user] is_like_space(a)
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _790858)
   Exit: (219) [system] get_char((0x55772f068e50), a)
   Call: (219) [system] a='('
   Fail: (219) [system] a='('
   Call: (219) [system] a='['
   Fail: (219) [system] a='['
   Call: (219) [system] a='{'
   Fail: (219) [system] a='{'
   Call: (219) [system] a='"'
   Fail: (219) [system] a='"'
   Call: (219) [system] a=!
   Fail: (219) [system] a=!
   Call: (219) [system] a='\''
   Fail: (219) [system] a='\''
   Call: (219) [system] a='`'
   Fail: (219) [system] a='`'
   Call: (219) [system] a=end_of_file
   Fail: (219) [system] a=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x55772f068e50), a, _772990)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _808500)
   Call: (221) [system] peek_char((0x55772f068e50), _809434)
   Exit: (221) [system] peek_char((0x55772f068e50), b)
^  Call: (221) [user] is_delimiter(b)
   Call: (222) [system] char_type(b, space)
   Fail: (222) [system] char_type(b, space)
   Call: (222) [system] arg(_814154, v('(', ')', end_of_file), b)
   Fail: (222) [system] arg(_815086, v('(', ')', end_of_file), b)
^  Fail: (221) [user] is_delimiter(b)
   Call: (221) [system] ')'==b
   Fail: (221) [system] ')'==b
   Call: (221) [system] get_char((0x55772f068e50), b)
   Exit: (221) [system] get_char((0x55772f068e50), b)
   Call: (221) [system] b=(\)
   Fail: (221) [system] b=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _822436)
   Call: (222) [system] peek_char((0x55772f068e50), _823370)
   Exit: (222) [system] peek_char((0x55772f068e50), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_828090, v('(', ')', end_of_file), c)
   Fail: (223) [system] arg(_829022, v('(', ')', end_of_file), c)
^  Fail: (222) [user] is_delimiter(c)
   Call: (222) [system] ')'==c
   Fail: (222) [system] ')'==c
   Call: (222) [system] get_char((0x55772f068e50), c)
   Exit: (222) [system] get_char((0x55772f068e50), c)
   Call: (222) [system] c=(\)
   Fail: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _836372)
   Call: (223) [system] peek_char((0x55772f068e50), _837306)
   Exit: (223) [system] peek_char((0x55772f068e50), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_842026, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _836372=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (222) [system] _822436=[c]
   Exit: (222) [system] [c]=[c]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (221) [system] _808500=[b, c]
   Exit: (221) [system] [b, c]=[b, c]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (220) [user] classify_and_convert_charseq([a, b, c], _772990)
^  Call: (221) [user] classify_and_convert_charseq_([a, b, c], _854050)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_855002, _855004), once(user:catch(read_from_chars([a, b, c], _854050), _854984, fail)), '$restore_trace'(_855002, _855004))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_855002, _855004))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _854984, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(abc)
   Exit: (222) [system] atomic(abc)
^  Exit: (221) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (221) [system] integer(abc)
   Fail: (221) [system] integer(abc)
   Call: (221) [system] _772990=abc
   Exit: (221) [system] abc=abc
^  Exit: (220) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (219) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (218) [user] read_list(')', (0x55772f068e50), _867130)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _868988)
   Exit: (220) [system] peek_char((0x55772f068e50), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
   Call: (220) [system] ')'=(/)
   Fail: (220) [system] ')'=(/)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _884998)
   Exit: (219) [system] peek_char((0x55772f068e50), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x55772f068e50), _888788)
   Exit: (219) [system] get_char((0x55772f068e50), ')')
   Call: (219) [system] _867130=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x55772f068e50), [])
   Call: (218) [system] _736330=[abc]
   Exit: (218) [system] [abc]=[abc]
^  Exit: (217) [user] read_list(')', (0x55772f068e50), [abc])
   Call: (217) [system] _640862=[a, abc]
   Exit: (217) [system] [a, abc]=[a, abc]
^  Exit: (216) [user] read_list(')', (0x55772f068e50), [a, abc])
   Call: (216) [system] _167106=['DisjunctionIntroduction', a, abc]
   Exit: (216) [system] ['DisjunctionIntroduction', a, abc]=['DisjunctionIntroduction', a, abc]
^  Exit: (215) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', a, abc])
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', a, abc])
^  Call: (214) [user] read_list(')', (0x55772f068e50), _902670)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _904528)
   Exit: (216) [system] peek_char((0x55772f068e50), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _920538)
   Exit: (215) [system] peek_char((0x55772f068e50), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x55772f068e50), _924328)
   Exit: (215) [system] get_char((0x55772f068e50), ')')
   Call: (215) [system] _902670=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x55772f068e50), [])
   Call: (214) [system] _130446=[['DisjunctionIntroduction', a, abc]]
   Exit: (214) [system] [['DisjunctionIntroduction', a, abc]]=[['DisjunctionIntroduction', a, abc]]
^  Exit: (213) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', a, abc]])
   Call: (213) [system] _4876=[abc, ['DisjunctionIntroduction', a, abc]]
   Exit: (213) [system] [abc, ['DisjunctionIntroduction', a, abc]]=[abc, ['DisjunctionIntroduction', a, abc]]
^  Exit: (212) [user] read_list(')', (0x55772f068e50), [abc, ['DisjunctionIntroduction', a, abc]])
   Call: (212) [system] _4868=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]]
   Exit: (212) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]]
^  Exit: (211) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]])
^  Exit: (210) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]])
^  Call: (210) [user] read_list(')', (0x55772f068e50), _938210)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _940068)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x55772f068e50), _949662)
   Exit: (212) [system] get_char((0x55772f068e50), ' ')
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _952366)
   Exit: (213) [system] peek_char((0x55772f068e50), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _969300)
   Exit: (211) [system] peek_char((0x55772f068e50), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x55772f068e50), _974870)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _976728)
   Exit: (213) [system] peek_char((0x55772f068e50), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] get_char((0x55772f068e50), _992738)
   Exit: (212) [system] get_char((0x55772f068e50), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x55772f068e50), _974870)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _998308)
   Exit: (214) [system] peek_char((0x55772f068e50), 'O')
   Call: (214) [system] 'O'=(;)
   Fail: (214) [system] 'O'=(;)
   Call: (214) [system] 'O'=(/)
   Fail: (214) [system] 'O'=(/)
^  Call: (214) [user] is_like_space('O')
   Call: (215) [system] char_type('O', 'white')
   Fail: (215) [system] char_type('O', 'white')
   Call: (215) [system] char_type('O', end_of_line)
   Fail: (215) [system] char_type('O', end_of_line)
   Call: (215) [system] char_type('O', space)
   Fail: (215) [system] char_type('O', space)
   Call: (215) [system] char_type('O', cntrl)
   Fail: (215) [system] char_type('O', cntrl)
^  Fail: (214) [user] is_like_space('O')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1014318)
   Exit: (213) [system] peek_char((0x55772f068e50), 'O')
   Call: (213) [system] 'O'=')'
   Fail: (213) [system] 'O'=')'
   Call: (213) [system] 'O'=end_of_file
   Fail: (213) [system] 'O'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _1019888)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1021746)
   Exit: (215) [system] peek_char((0x55772f068e50), 'O')
   Call: (215) [system] 'O'=(;)
   Fail: (215) [system] 'O'=(;)
   Call: (215) [system] 'O'=(/)
   Fail: (215) [system] 'O'=(/)
^  Call: (215) [user] is_like_space('O')
   Call: (216) [system] char_type('O', 'white')
   Fail: (216) [system] char_type('O', 'white')
   Call: (216) [system] char_type('O', end_of_line)
   Fail: (216) [system] char_type('O', end_of_line)
   Call: (216) [system] char_type('O', space)
   Fail: (216) [system] char_type('O', space)
   Call: (216) [system] char_type('O', cntrl)
   Fail: (216) [system] char_type('O', cntrl)
^  Fail: (215) [user] is_like_space('O')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _1037756)
   Exit: (214) [system] get_char((0x55772f068e50), 'O')
   Call: (214) [system] 'O'='('
   Fail: (214) [system] 'O'='('
   Call: (214) [system] 'O'='['
   Fail: (214) [system] 'O'='['
   Call: (214) [system] 'O'='{'
   Fail: (214) [system] 'O'='{'
   Call: (214) [system] 'O'='"'
   Fail: (214) [system] 'O'='"'
   Call: (214) [system] 'O'=!
   Fail: (214) [system] 'O'=!
   Call: (214) [system] 'O'='\''
   Fail: (214) [system] 'O'='\''
   Call: (214) [system] 'O'='`'
   Fail: (214) [system] 'O'='`'
   Call: (214) [system] 'O'=end_of_file
   Fail: (214) [system] 'O'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x55772f068e50), 'O', _1019888)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1055398)
   Call: (216) [system] peek_char((0x55772f068e50), _1056332)
   Exit: (216) [system] peek_char((0x55772f068e50), r)
^  Call: (216) [user] is_delimiter(r)
   Call: (217) [system] char_type(r, space)
   Fail: (217) [system] char_type(r, space)
   Call: (217) [system] arg(_1061052, v('(', ')', end_of_file), r)
   Fail: (217) [system] arg(_1061984, v('(', ')', end_of_file), r)
^  Fail: (216) [user] is_delimiter(r)
   Call: (216) [system] ')'==r
   Fail: (216) [system] ')'==r
   Call: (216) [system] get_char((0x55772f068e50), r)
   Exit: (216) [system] get_char((0x55772f068e50), r)
   Call: (216) [system] r=(\)
   Fail: (216) [system] r=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1069334)
   Call: (217) [system] peek_char((0x55772f068e50), _1070268)
   Exit: (217) [system] peek_char((0x55772f068e50), 'L')
^  Call: (217) [user] is_delimiter('L')
   Call: (218) [system] char_type('L', space)
   Fail: (218) [system] char_type('L', space)
   Call: (218) [system] arg(_1074988, v('(', ')', end_of_file), 'L')
   Fail: (218) [system] arg(_1075920, v('(', ')', end_of_file), 'L')
^  Fail: (217) [user] is_delimiter('L')
   Call: (217) [system] ')'=='L'
   Fail: (217) [system] ')'=='L'
   Call: (217) [system] get_char((0x55772f068e50), 'L')
   Exit: (217) [system] get_char((0x55772f068e50), 'L')
   Call: (217) [system] 'L'=(\)
   Fail: (217) [system] 'L'=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1083270)
   Call: (218) [system] peek_char((0x55772f068e50), _1084204)
   Exit: (218) [system] peek_char((0x55772f068e50), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_1088924, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_1089856, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x55772f068e50), i)
   Exit: (218) [system] get_char((0x55772f068e50), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1097206)
   Call: (219) [system] peek_char((0x55772f068e50), _1098140)
   Exit: (219) [system] peek_char((0x55772f068e50), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1102860, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1103792, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x55772f068e50), n)
   Exit: (219) [system] get_char((0x55772f068e50), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1111142)
   Call: (220) [system] peek_char((0x55772f068e50), _1112076)
   Exit: (220) [system] peek_char((0x55772f068e50), k)
^  Call: (220) [user] is_delimiter(k)
   Call: (221) [system] char_type(k, space)
   Fail: (221) [system] char_type(k, space)
   Call: (221) [system] arg(_1116796, v('(', ')', end_of_file), k)
   Fail: (221) [system] arg(_1117728, v('(', ')', end_of_file), k)
^  Fail: (220) [user] is_delimiter(k)
   Call: (220) [system] ')'==k
   Fail: (220) [system] ')'==k
   Call: (220) [system] get_char((0x55772f068e50), k)
   Exit: (220) [system] get_char((0x55772f068e50), k)
   Call: (220) [system] k=(\)
   Fail: (220) [system] k=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1125078)
   Call: (221) [system] peek_char((0x55772f068e50), _1126012)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _1125078=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (220) [system] _1111142=[k]
   Exit: (220) [system] [k]=[k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (219) [system] _1097206=[n, k]
   Exit: (219) [system] [n, k]=[n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (218) [system] _1083270=[i, n, k]
   Exit: (218) [system] [i, n, k]=[i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (217) [system] _1069334=['L', i, n, k]
   Exit: (217) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (216) [system] _1055398=[r, 'L', i, n, k]
   Exit: (216) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (215) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1019888)
^  Call: (216) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1149266)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1150218, _1150220), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1149266), _1150200, fail)), '$restore_trace'(_1150218, _1150220))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1150218, _1150220))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1149266), _1150200, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1149266)
   Fail: (217) [system] atomic(_1149266)
   Call: (217) [system] atom_chars(_1149266, ['O', r, 'L', i, n, k])
   Exit: (217) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (216) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (216) [system] integer('OrLink')
   Fail: (216) [system] integer('OrLink')
   Call: (216) [system] _1019888='OrLink'
   Exit: (216) [system] 'OrLink'='OrLink'
^  Exit: (215) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (214) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (213) [user] read_list(')', (0x55772f068e50), _1164216)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1166074)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x55772f068e50), _1175668)
   Exit: (215) [system] get_char((0x55772f068e50), ' ')
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1178372)
   Exit: (216) [system] peek_char((0x55772f068e50), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1195306)
   Exit: (214) [system] peek_char((0x55772f068e50), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _1200876)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1202734)
   Exit: (216) [system] peek_char((0x55772f068e50), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _1218744)
   Exit: (215) [system] get_char((0x55772f068e50), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x55772f068e50), _1200876)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1224314)
   Exit: (217) [system] peek_char((0x55772f068e50), 'I')
   Call: (217) [system] 'I'=(;)
   Fail: (217) [system] 'I'=(;)
   Call: (217) [system] 'I'=(/)
   Fail: (217) [system] 'I'=(/)
^  Call: (217) [user] is_like_space('I')
   Call: (218) [system] char_type('I', 'white')
   Fail: (218) [system] char_type('I', 'white')
   Call: (218) [system] char_type('I', end_of_line)
   Fail: (218) [system] char_type('I', end_of_line)
   Call: (218) [system] char_type('I', space)
   Fail: (218) [system] char_type('I', space)
   Call: (218) [system] char_type('I', cntrl)
   Fail: (218) [system] char_type('I', cntrl)
^  Fail: (217) [user] is_like_space('I')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1240324)
   Exit: (216) [system] peek_char((0x55772f068e50), 'I')
   Call: (216) [system] 'I'=')'
   Fail: (216) [system] 'I'=')'
   Call: (216) [system] 'I'=end_of_file
   Fail: (216) [system] 'I'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x55772f068e50), _1245894)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1247752)
   Exit: (218) [system] peek_char((0x55772f068e50), 'I')
   Call: (218) [system] 'I'=(;)
   Fail: (218) [system] 'I'=(;)
   Call: (218) [system] 'I'=(/)
   Fail: (218) [system] 'I'=(/)
^  Call: (218) [user] is_like_space('I')
   Call: (219) [system] char_type('I', 'white')
   Fail: (219) [system] char_type('I', 'white')
   Call: (219) [system] char_type('I', end_of_line)
   Fail: (219) [system] char_type('I', end_of_line)
   Call: (219) [system] char_type('I', space)
   Fail: (219) [system] char_type('I', space)
   Call: (219) [system] char_type('I', cntrl)
   Fail: (219) [system] char_type('I', cntrl)
^  Fail: (218) [user] is_like_space('I')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] get_char((0x55772f068e50), _1263762)
   Exit: (217) [system] get_char((0x55772f068e50), 'I')
   Call: (217) [system] 'I'='('
   Fail: (217) [system] 'I'='('
   Call: (217) [system] 'I'='['
   Fail: (217) [system] 'I'='['
   Call: (217) [system] 'I'='{'
   Fail: (217) [system] 'I'='{'
   Call: (217) [system] 'I'='"'
   Fail: (217) [system] 'I'='"'
   Call: (217) [system] 'I'=!
   Fail: (217) [system] 'I'=!
   Call: (217) [system] 'I'='\''
   Fail: (217) [system] 'I'='\''
   Call: (217) [system] 'I'='`'
   Fail: (217) [system] 'I'='`'
   Call: (217) [system] 'I'=end_of_file
   Fail: (217) [system] 'I'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x55772f068e50), 'I', _1245894)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1281404)
   Call: (219) [system] peek_char((0x55772f068e50), _1282338)
   Exit: (219) [system] peek_char((0x55772f068e50), m)
^  Call: (219) [user] is_delimiter(m)
   Call: (220) [system] char_type(m, space)
   Fail: (220) [system] char_type(m, space)
   Call: (220) [system] arg(_1287058, v('(', ')', end_of_file), m)
   Fail: (220) [system] arg(_1287990, v('(', ')', end_of_file), m)
^  Fail: (219) [user] is_delimiter(m)
   Call: (219) [system] ')'==m
   Fail: (219) [system] ')'==m
   Call: (219) [system] get_char((0x55772f068e50), m)
   Exit: (219) [system] get_char((0x55772f068e50), m)
   Call: (219) [system] m=(\)
   Fail: (219) [system] m=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1295340)
   Call: (220) [system] peek_char((0x55772f068e50), _1296274)
   Exit: (220) [system] peek_char((0x55772f068e50), p)
^  Call: (220) [user] is_delimiter(p)
   Call: (221) [system] char_type(p, space)
   Fail: (221) [system] char_type(p, space)
   Call: (221) [system] arg(_1300994, v('(', ')', end_of_file), p)
   Fail: (221) [system] arg(_1301926, v('(', ')', end_of_file), p)
^  Fail: (220) [user] is_delimiter(p)
   Call: (220) [system] ')'==p
   Fail: (220) [system] ')'==p
   Call: (220) [system] get_char((0x55772f068e50), p)
   Exit: (220) [system] get_char((0x55772f068e50), p)
   Call: (220) [system] p=(\)
   Fail: (220) [system] p=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1309276)
   Call: (221) [system] peek_char((0x55772f068e50), _1310210)
   Exit: (221) [system] peek_char((0x55772f068e50), l)
^  Call: (221) [user] is_delimiter(l)
   Call: (222) [system] char_type(l, space)
   Fail: (222) [system] char_type(l, space)
   Call: (222) [system] arg(_1314930, v('(', ')', end_of_file), l)
   Fail: (222) [system] arg(_1315862, v('(', ')', end_of_file), l)
^  Fail: (221) [user] is_delimiter(l)
   Call: (221) [system] ')'==l
   Fail: (221) [system] ')'==l
   Call: (221) [system] get_char((0x55772f068e50), l)
   Exit: (221) [system] get_char((0x55772f068e50), l)
   Call: (221) [system] l=(\)
   Fail: (221) [system] l=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1323212)
   Call: (222) [system] peek_char((0x55772f068e50), _1324146)
   Exit: (222) [system] peek_char((0x55772f068e50), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1328866, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_1329798, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x55772f068e50), i)
   Exit: (222) [system] get_char((0x55772f068e50), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1337148)
   Call: (223) [system] peek_char((0x55772f068e50), _1338082)
   Exit: (223) [system] peek_char((0x55772f068e50), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_1342802, v('(', ')', end_of_file), c)
   Fail: (224) [system] arg(_1343734, v('(', ')', end_of_file), c)
^  Fail: (223) [user] is_delimiter(c)
   Call: (223) [system] ')'==c
   Fail: (223) [system] ')'==c
   Call: (223) [system] get_char((0x55772f068e50), c)
   Exit: (223) [system] get_char((0x55772f068e50), c)
   Call: (223) [system] c=(\)
   Fail: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1351084)
   Call: (224) [system] peek_char((0x55772f068e50), _1352018)
   Exit: (224) [system] peek_char((0x55772f068e50), a)
^  Call: (224) [user] is_delimiter(a)
   Call: (225) [system] char_type(a, space)
   Fail: (225) [system] char_type(a, space)
   Call: (225) [system] arg(_1356738, v('(', ')', end_of_file), a)
   Fail: (225) [system] arg(_1357670, v('(', ')', end_of_file), a)
^  Fail: (224) [user] is_delimiter(a)
   Call: (224) [system] ')'==a
   Fail: (224) [system] ')'==a
   Call: (224) [system] get_char((0x55772f068e50), a)
   Exit: (224) [system] get_char((0x55772f068e50), a)
   Call: (224) [system] a=(\)
   Fail: (224) [system] a=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1365020)
   Call: (225) [system] peek_char((0x55772f068e50), _1365954)
   Exit: (225) [system] peek_char((0x55772f068e50), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_1370674, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_1371606, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x55772f068e50), t)
   Exit: (225) [system] get_char((0x55772f068e50), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1378956)
   Call: (226) [system] peek_char((0x55772f068e50), _1379890)
   Exit: (226) [system] peek_char((0x55772f068e50), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_1384610, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_1385542, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x55772f068e50), i)
   Exit: (226) [system] get_char((0x55772f068e50), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1392892)
   Call: (227) [system] peek_char((0x55772f068e50), _1393826)
   Exit: (227) [system] peek_char((0x55772f068e50), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_1398546, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_1399478, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x55772f068e50), o)
   Exit: (227) [system] get_char((0x55772f068e50), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1406828)
   Call: (228) [system] peek_char((0x55772f068e50), _1407762)
   Exit: (228) [system] peek_char((0x55772f068e50), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_1412482, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_1413414, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x55772f068e50), n)
   Exit: (228) [system] get_char((0x55772f068e50), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1420764)
   Call: (229) [system] peek_char((0x55772f068e50), _1421698)
   Exit: (229) [system] peek_char((0x55772f068e50), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _1420764=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (228) [system] _1406828=[n]
   Exit: (228) [system] [n]=[n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (227) [system] _1392892=[o, n]
   Exit: (227) [system] [o, n]=[o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (226) [system] _1378956=[i, o, n]
   Exit: (226) [system] [i, o, n]=[i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (225) [system] _1365020=[t, i, o, n]
   Exit: (225) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (224) [system] _1351084=[a, t, i, o, n]
   Exit: (224) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (223) [system] _1337148=[c, a, t, i, o, n]
   Exit: (223) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (222) [system] _1323212=[i, c, a, t, i, o, n]
   Exit: (222) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (221) [system] _1309276=[l, i, c, a, t, i, o, n]
   Exit: (221) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (220) [system] _1295340=[p, l, i, c, a, t, i, o, n]
   Exit: (220) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (219) [system] _1281404=[m, p, l, i, c, a, t, i, o, n]
   Exit: (219) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (218) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1245894)
^  Call: (219) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1458922)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1459874, _1459876), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1458922), _1459856, fail)), '$restore_trace'(_1459874, _1459876))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1459874, _1459876))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1458922), _1459856, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1458922)
   Fail: (220) [system] atomic(_1458922)
   Call: (220) [system] atom_chars(_1458922, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (220) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (219) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (219) [system] integer('Implication')
   Fail: (219) [system] integer('Implication')
   Call: (219) [system] _1245894='Implication'
   Exit: (219) [system] 'Implication'='Implication'
^  Exit: (218) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (217) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (216) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (216) [user] read_list(')', (0x55772f068e50), _1473872)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1475730)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x55772f068e50), _1485324)
   Exit: (218) [system] get_char((0x55772f068e50), ' ')
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1488028)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1504962)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _1510532)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1512390)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _1528400)
   Exit: (218) [system] get_char((0x55772f068e50), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x55772f068e50), _1510532)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1533970)
   Exit: (220) [system] peek_char((0x55772f068e50), 'A')
   Call: (220) [system] 'A'=(;)
   Fail: (220) [system] 'A'=(;)
   Call: (220) [system] 'A'=(/)
   Fail: (220) [system] 'A'=(/)
^  Call: (220) [user] is_like_space('A')
   Call: (221) [system] char_type('A', 'white')
   Fail: (221) [system] char_type('A', 'white')
   Call: (221) [system] char_type('A', end_of_line)
   Fail: (221) [system] char_type('A', end_of_line)
   Call: (221) [system] char_type('A', space)
   Fail: (221) [system] char_type('A', space)
   Call: (221) [system] char_type('A', cntrl)
   Fail: (221) [system] char_type('A', cntrl)
^  Fail: (220) [user] is_like_space('A')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1549980)
   Exit: (219) [system] peek_char((0x55772f068e50), 'A')
   Call: (219) [system] 'A'=')'
   Fail: (219) [system] 'A'=')'
   Call: (219) [system] 'A'=end_of_file
   Fail: (219) [system] 'A'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _1555550)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1557408)
   Exit: (221) [system] peek_char((0x55772f068e50), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
   Call: (221) [system] 'A'=(/)
   Fail: (221) [system] 'A'=(/)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _1573418)
   Exit: (220) [system] get_char((0x55772f068e50), 'A')
   Call: (220) [system] 'A'='('
   Fail: (220) [system] 'A'='('
   Call: (220) [system] 'A'='['
   Fail: (220) [system] 'A'='['
   Call: (220) [system] 'A'='{'
   Fail: (220) [system] 'A'='{'
   Call: (220) [system] 'A'='"'
   Fail: (220) [system] 'A'='"'
   Call: (220) [system] 'A'=!
   Fail: (220) [system] 'A'=!
   Call: (220) [system] 'A'='\''
   Fail: (220) [system] 'A'='\''
   Call: (220) [system] 'A'='`'
   Fail: (220) [system] 'A'='`'
   Call: (220) [system] 'A'=end_of_file
   Fail: (220) [system] 'A'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x55772f068e50), 'A', _1555550)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1591060)
   Call: (222) [system] peek_char((0x55772f068e50), _1591994)
   Exit: (222) [system] peek_char((0x55772f068e50), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1596714, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1597646, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x55772f068e50), n)
   Exit: (222) [system] get_char((0x55772f068e50), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1604996)
   Call: (223) [system] peek_char((0x55772f068e50), _1605930)
   Exit: (223) [system] peek_char((0x55772f068e50), d)
^  Call: (223) [user] is_delimiter(d)
   Call: (224) [system] char_type(d, space)
   Fail: (224) [system] char_type(d, space)
   Call: (224) [system] arg(_1610650, v('(', ')', end_of_file), d)
   Fail: (224) [system] arg(_1611582, v('(', ')', end_of_file), d)
^  Fail: (223) [user] is_delimiter(d)
   Call: (223) [system] ')'==d
   Fail: (223) [system] ')'==d
   Call: (223) [system] get_char((0x55772f068e50), d)
   Exit: (223) [system] get_char((0x55772f068e50), d)
   Call: (223) [system] d=(\)
   Fail: (223) [system] d=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1618932)
   Call: (224) [system] peek_char((0x55772f068e50), _1619866)
   Exit: (224) [system] peek_char((0x55772f068e50), 'L')
^  Call: (224) [user] is_delimiter('L')
   Call: (225) [system] char_type('L', space)
   Fail: (225) [system] char_type('L', space)
   Call: (225) [system] arg(_1624586, v('(', ')', end_of_file), 'L')
   Fail: (225) [system] arg(_1625518, v('(', ')', end_of_file), 'L')
^  Fail: (224) [user] is_delimiter('L')
   Call: (224) [system] ')'=='L'
   Fail: (224) [system] ')'=='L'
   Call: (224) [system] get_char((0x55772f068e50), 'L')
   Exit: (224) [system] get_char((0x55772f068e50), 'L')
   Call: (224) [system] 'L'=(\)
   Fail: (224) [system] 'L'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1632868)
   Call: (225) [system] peek_char((0x55772f068e50), _1633802)
   Exit: (225) [system] peek_char((0x55772f068e50), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1638522, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_1639454, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x55772f068e50), i)
   Exit: (225) [system] get_char((0x55772f068e50), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1646804)
   Call: (226) [system] peek_char((0x55772f068e50), _1647738)
   Exit: (226) [system] peek_char((0x55772f068e50), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1652458, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1653390, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x55772f068e50), n)
   Exit: (226) [system] get_char((0x55772f068e50), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1660740)
   Call: (227) [system] peek_char((0x55772f068e50), _1661674)
   Exit: (227) [system] peek_char((0x55772f068e50), k)
^  Call: (227) [user] is_delimiter(k)
   Call: (228) [system] char_type(k, space)
   Fail: (228) [system] char_type(k, space)
   Call: (228) [system] arg(_1666394, v('(', ')', end_of_file), k)
   Fail: (228) [system] arg(_1667326, v('(', ')', end_of_file), k)
^  Fail: (227) [user] is_delimiter(k)
   Call: (227) [system] ')'==k
   Fail: (227) [system] ')'==k
   Call: (227) [system] get_char((0x55772f068e50), k)
   Exit: (227) [system] get_char((0x55772f068e50), k)
   Call: (227) [system] k=(\)
   Fail: (227) [system] k=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1674676)
   Call: (228) [system] peek_char((0x55772f068e50), _1675610)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1674676=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (227) [system] _1660740=[k]
   Exit: (227) [system] [k]=[k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (226) [system] _1646804=[n, k]
   Exit: (226) [system] [n, k]=[n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (225) [system] _1632868=[i, n, k]
   Exit: (225) [system] [i, n, k]=[i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (224) [system] _1618932=['L', i, n, k]
   Exit: (224) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (223) [system] _1604996=[d, 'L', i, n, k]
   Exit: (223) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (222) [system] _1591060=[n, d, 'L', i, n, k]
   Exit: (222) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (221) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1555550)
^  Call: (222) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1701658)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1702610, _1702612), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1701658), _1702592, fail)), '$restore_trace'(_1702610, _1702612))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1702610, _1702612))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1701658), _1702592, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1701658)
   Fail: (223) [system] atomic(_1701658)
   Call: (223) [system] atom_chars(_1701658, ['A', n, d, 'L', i, n, k])
   Exit: (223) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (222) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (222) [system] integer('AndLink')
   Fail: (222) [system] integer('AndLink')
   Call: (222) [system] _1555550='AndLink'
   Exit: (222) [system] 'AndLink'='AndLink'
^  Exit: (221) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (220) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (219) [user] read_list(')', (0x55772f068e50), _1716608)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1718466)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x55772f068e50), _1728060)
   Exit: (221) [system] get_char((0x55772f068e50), ' ')
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1730764)
   Exit: (222) [system] peek_char((0x55772f068e50), 'A')
   Call: (222) [system] 'A'=(;)
   Fail: (222) [system] 'A'=(;)
   Call: (222) [system] 'A'=(/)
   Fail: (222) [system] 'A'=(/)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Fail: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Fail: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Fail: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
   Fail: (223) [system] char_type('A', cntrl)
^  Fail: (222) [user] is_like_space('A')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1747698)
   Exit: (220) [system] peek_char((0x55772f068e50), 'A')
   Call: (220) [system] 'A'=')'
   Fail: (220) [system] 'A'=')'
   Call: (220) [system] 'A'=end_of_file
   Fail: (220) [system] 'A'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _1753268)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1755126)
   Exit: (222) [system] peek_char((0x55772f068e50), 'A')
   Call: (222) [system] 'A'=(;)
   Fail: (222) [system] 'A'=(;)
   Call: (222) [system] 'A'=(/)
   Fail: (222) [system] 'A'=(/)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Fail: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Fail: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Fail: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
   Fail: (223) [system] char_type('A', cntrl)
^  Fail: (222) [user] is_like_space('A')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _1771136)
   Exit: (221) [system] get_char((0x55772f068e50), 'A')
   Call: (221) [system] 'A'='('
   Fail: (221) [system] 'A'='('
   Call: (221) [system] 'A'='['
   Fail: (221) [system] 'A'='['
   Call: (221) [system] 'A'='{'
   Fail: (221) [system] 'A'='{'
   Call: (221) [system] 'A'='"'
   Fail: (221) [system] 'A'='"'
   Call: (221) [system] 'A'=!
   Fail: (221) [system] 'A'=!
   Call: (221) [system] 'A'='\''
   Fail: (221) [system] 'A'='\''
   Call: (221) [system] 'A'='`'
   Fail: (221) [system] 'A'='`'
   Call: (221) [system] 'A'=end_of_file
   Fail: (221) [system] 'A'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x55772f068e50), 'A', _1753268)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1788778)
   Call: (223) [system] peek_char((0x55772f068e50), _1789712)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1788778=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (222) [user] classify_and_convert_charseq(['A'], _1753268)
^  Call: (223) [user] classify_and_convert_charseq_(['A'], _1798996)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1799948, _1799950), once(user:catch(read_from_chars(['A'], _1798996), _1799930, fail)), '$restore_trace'(_1799948, _1799950))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1799948, _1799950))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1798996), _1799930, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1798996)
   Fail: (224) [system] atomic(_1798996)
   Call: (224) [system] atom_chars(_1798996, ['A'])
   Exit: (224) [system] atom_chars('A', ['A'])
^  Exit: (223) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (223) [system] integer('A')
   Fail: (223) [system] integer('A')
   Call: (223) [system] _1753268='A'
   Exit: (223) [system] 'A'='A'
^  Exit: (222) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (221) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (220) [user] read_list(')', (0x55772f068e50), _1813946)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1815804)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x55772f068e50), _1825398)
   Exit: (222) [system] get_char((0x55772f068e50), ' ')
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1828102)
   Exit: (223) [system] peek_char((0x55772f068e50), 'B')
   Call: (223) [system] 'B'=(;)
   Fail: (223) [system] 'B'=(;)
   Call: (223) [system] 'B'=(/)
   Fail: (223) [system] 'B'=(/)
^  Call: (223) [user] is_like_space('B')
   Call: (224) [system] char_type('B', 'white')
   Fail: (224) [system] char_type('B', 'white')
   Call: (224) [system] char_type('B', end_of_line)
   Fail: (224) [system] char_type('B', end_of_line)
   Call: (224) [system] char_type('B', space)
   Fail: (224) [system] char_type('B', space)
   Call: (224) [system] char_type('B', cntrl)
   Fail: (224) [system] char_type('B', cntrl)
^  Fail: (223) [user] is_like_space('B')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1845036)
   Exit: (221) [system] peek_char((0x55772f068e50), 'B')
   Call: (221) [system] 'B'=')'
   Fail: (221) [system] 'B'=')'
   Call: (221) [system] 'B'=end_of_file
   Fail: (221) [system] 'B'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _1850606)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1852464)
   Exit: (223) [system] peek_char((0x55772f068e50), 'B')
   Call: (223) [system] 'B'=(;)
   Fail: (223) [system] 'B'=(;)
   Call: (223) [system] 'B'=(/)
   Fail: (223) [system] 'B'=(/)
^  Call: (223) [user] is_like_space('B')
   Call: (224) [system] char_type('B', 'white')
   Fail: (224) [system] char_type('B', 'white')
   Call: (224) [system] char_type('B', end_of_line)
   Fail: (224) [system] char_type('B', end_of_line)
   Call: (224) [system] char_type('B', space)
   Fail: (224) [system] char_type('B', space)
   Call: (224) [system] char_type('B', cntrl)
   Fail: (224) [system] char_type('B', cntrl)
^  Fail: (223) [user] is_like_space('B')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _1868474)
   Exit: (222) [system] get_char((0x55772f068e50), 'B')
   Call: (222) [system] 'B'='('
   Fail: (222) [system] 'B'='('
   Call: (222) [system] 'B'='['
   Fail: (222) [system] 'B'='['
   Call: (222) [system] 'B'='{'
   Fail: (222) [system] 'B'='{'
   Call: (222) [system] 'B'='"'
   Fail: (222) [system] 'B'='"'
   Call: (222) [system] 'B'=!
   Fail: (222) [system] 'B'=!
   Call: (222) [system] 'B'='\''
   Fail: (222) [system] 'B'='\''
   Call: (222) [system] 'B'='`'
   Fail: (222) [system] 'B'='`'
   Call: (222) [system] 'B'=end_of_file
   Fail: (222) [system] 'B'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x55772f068e50), 'B', _1850606)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1886116)
   Call: (224) [system] peek_char((0x55772f068e50), _1887050)
   Exit: (224) [system] peek_char((0x55772f068e50), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_1891770, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _1886116=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (223) [user] classify_and_convert_charseq(['B'], _1850606)
^  Call: (224) [user] classify_and_convert_charseq_(['B'], _1898206)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1899158, _1899160), once(user:catch(read_from_chars(['B'], _1898206), _1899140, fail)), '$restore_trace'(_1899158, _1899160))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1899158, _1899160))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1898206), _1899140, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1898206)
   Fail: (225) [system] atomic(_1898206)
   Call: (225) [system] atom_chars(_1898206, ['B'])
   Exit: (225) [system] atom_chars('B', ['B'])
^  Exit: (224) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (224) [system] integer('B')
   Fail: (224) [system] integer('B')
   Call: (224) [system] _1850606='B'
   Exit: (224) [system] 'B'='B'
^  Exit: (223) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (222) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (221) [user] read_list(')', (0x55772f068e50), _1913156)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1915014)
   Exit: (223) [system] peek_char((0x55772f068e50), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
   Call: (223) [system] ')'=(/)
   Fail: (223) [system] ')'=(/)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1931024)
   Exit: (222) [system] peek_char((0x55772f068e50), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x55772f068e50), _1934814)
   Exit: (222) [system] get_char((0x55772f068e50), ')')
   Call: (222) [system] _1913156=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x55772f068e50), [])
   Call: (221) [system] _1813946=['B']
   Exit: (221) [system] ['B']=['B']
^  Exit: (220) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (220) [system] _1716608=['A', 'B']
   Exit: (220) [system] ['A', 'B']=['A', 'B']
^  Exit: (219) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (219) [system] _1510532=['AndLink', 'A', 'B']
   Exit: (219) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (218) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (217) [user] read_list(')', (0x55772f068e50), _1948696)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1950554)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x55772f068e50), _1960148)
   Exit: (219) [system] get_char((0x55772f068e50), ' ')
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1962852)
   Exit: (220) [system] peek_char((0x55772f068e50), 'C')
   Call: (220) [system] 'C'=(;)
   Fail: (220) [system] 'C'=(;)
   Call: (220) [system] 'C'=(/)
   Fail: (220) [system] 'C'=(/)
^  Call: (220) [user] is_like_space('C')
   Call: (221) [system] char_type('C', 'white')
   Fail: (221) [system] char_type('C', 'white')
   Call: (221) [system] char_type('C', end_of_line)
   Fail: (221) [system] char_type('C', end_of_line)
   Call: (221) [system] char_type('C', space)
   Fail: (221) [system] char_type('C', space)
   Call: (221) [system] char_type('C', cntrl)
   Fail: (221) [system] char_type('C', cntrl)
^  Fail: (220) [user] is_like_space('C')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1979786)
   Exit: (218) [system] peek_char((0x55772f068e50), 'C')
   Call: (218) [system] 'C'=')'
   Fail: (218) [system] 'C'=')'
   Call: (218) [system] 'C'=end_of_file
   Fail: (218) [system] 'C'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _1985356)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1987214)
   Exit: (220) [system] peek_char((0x55772f068e50), 'C')
   Call: (220) [system] 'C'=(;)
   Fail: (220) [system] 'C'=(;)
   Call: (220) [system] 'C'=(/)
   Fail: (220) [system] 'C'=(/)
^  Call: (220) [user] is_like_space('C')
   Call: (221) [system] char_type('C', 'white')
   Fail: (221) [system] char_type('C', 'white')
   Call: (221) [system] char_type('C', end_of_line)
   Fail: (221) [system] char_type('C', end_of_line)
   Call: (221) [system] char_type('C', space)
   Fail: (221) [system] char_type('C', space)
   Call: (221) [system] char_type('C', cntrl)
   Fail: (221) [system] char_type('C', cntrl)
^  Fail: (220) [user] is_like_space('C')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _2003224)
   Exit: (219) [system] get_char((0x55772f068e50), 'C')
   Call: (219) [system] 'C'='('
   Fail: (219) [system] 'C'='('
   Call: (219) [system] 'C'='['
   Fail: (219) [system] 'C'='['
   Call: (219) [system] 'C'='{'
   Fail: (219) [system] 'C'='{'
   Call: (219) [system] 'C'='"'
   Fail: (219) [system] 'C'='"'
   Call: (219) [system] 'C'=!
   Fail: (219) [system] 'C'=!
   Call: (219) [system] 'C'='\''
   Fail: (219) [system] 'C'='\''
   Call: (219) [system] 'C'='`'
   Fail: (219) [system] 'C'='`'
   Call: (219) [system] 'C'=end_of_file
   Fail: (219) [system] 'C'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x55772f068e50), 'C', _1985356)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _2020866)
   Call: (221) [system] peek_char((0x55772f068e50), _2021800)
   Exit: (221) [system] peek_char((0x55772f068e50), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_2026520, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _2020866=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (220) [user] classify_and_convert_charseq(['C'], _1985356)
^  Call: (221) [user] classify_and_convert_charseq_(['C'], _2032956)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_2033908, _2033910), once(user:catch(read_from_chars(['C'], _2032956), _2033890, fail)), '$restore_trace'(_2033908, _2033910))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_2033908, _2033910))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _2032956), _2033890, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_2032956)
   Fail: (222) [system] atomic(_2032956)
   Call: (222) [system] atom_chars(_2032956, ['C'])
   Exit: (222) [system] atom_chars('C', ['C'])
^  Exit: (221) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (221) [system] integer('C')
   Fail: (221) [system] integer('C')
   Call: (221) [system] _1985356='C'
   Exit: (221) [system] 'C'='C'
^  Exit: (220) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (219) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (218) [user] read_list(')', (0x55772f068e50), _2047906)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _2049764)
   Exit: (220) [system] peek_char((0x55772f068e50), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
   Call: (220) [system] ')'=(/)
   Fail: (220) [system] ')'=(/)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _2065774)
   Exit: (219) [system] peek_char((0x55772f068e50), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x55772f068e50), _2069564)
   Exit: (219) [system] get_char((0x55772f068e50), ')')
   Call: (219) [system] _2047906=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x55772f068e50), [])
   Call: (218) [system] _1948696=['C']
   Exit: (218) [system] ['C']=['C']
^  Exit: (217) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (217) [system] _1473872=[['AndLink', 'A', 'B'], 'C']
   Exit: (217) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (216) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (216) [system] _1200876=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (216) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (215) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (214) [user] read_list(')', (0x55772f068e50), _2083446)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _2085304)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x55772f068e50), _2094898)
   Exit: (216) [system] get_char((0x55772f068e50), ' ')
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _5710)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _22644)
   Exit: (215) [system] peek_char((0x55772f068e50), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x55772f068e50), _28214)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _30072)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] get_char((0x55772f068e50), _46082)
   Exit: (216) [system] get_char((0x55772f068e50), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x55772f068e50), _28214)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _51652)
   Exit: (218) [system] peek_char((0x55772f068e50), 'O')
   Call: (218) [system] 'O'=(;)
   Fail: (218) [system] 'O'=(;)
   Call: (218) [system] 'O'=(/)
   Fail: (218) [system] 'O'=(/)
^  Call: (218) [user] is_like_space('O')
   Call: (219) [system] char_type('O', 'white')
   Fail: (219) [system] char_type('O', 'white')
   Call: (219) [system] char_type('O', end_of_line)
   Fail: (219) [system] char_type('O', end_of_line)
   Call: (219) [system] char_type('O', space)
   Fail: (219) [system] char_type('O', space)
   Call: (219) [system] char_type('O', cntrl)
   Fail: (219) [system] char_type('O', cntrl)
^  Fail: (218) [user] is_like_space('O')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _67662)
   Exit: (217) [system] peek_char((0x55772f068e50), 'O')
   Call: (217) [system] 'O'=')'
   Fail: (217) [system] 'O'=')'
   Call: (217) [system] 'O'=end_of_file
   Fail: (217) [system] 'O'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _73232)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _75090)
   Exit: (219) [system] peek_char((0x55772f068e50), 'O')
   Call: (219) [system] 'O'=(;)
   Fail: (219) [system] 'O'=(;)
   Call: (219) [system] 'O'=(/)
   Fail: (219) [system] 'O'=(/)
^  Call: (219) [user] is_like_space('O')
   Call: (220) [system] char_type('O', 'white')
   Fail: (220) [system] char_type('O', 'white')
   Call: (220) [system] char_type('O', end_of_line)
   Fail: (220) [system] char_type('O', end_of_line)
   Call: (220) [system] char_type('O', space)
   Fail: (220) [system] char_type('O', space)
   Call: (220) [system] char_type('O', cntrl)
   Fail: (220) [system] char_type('O', cntrl)
^  Fail: (219) [user] is_like_space('O')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _91100)
   Exit: (218) [system] get_char((0x55772f068e50), 'O')
   Call: (218) [system] 'O'='('
   Fail: (218) [system] 'O'='('
   Call: (218) [system] 'O'='['
   Fail: (218) [system] 'O'='['
   Call: (218) [system] 'O'='{'
   Fail: (218) [system] 'O'='{'
   Call: (218) [system] 'O'='"'
   Fail: (218) [system] 'O'='"'
   Call: (218) [system] 'O'=!
   Fail: (218) [system] 'O'=!
   Call: (218) [system] 'O'='\''
   Fail: (218) [system] 'O'='\''
   Call: (218) [system] 'O'='`'
   Fail: (218) [system] 'O'='`'
   Call: (218) [system] 'O'=end_of_file
   Fail: (218) [system] 'O'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x55772f068e50), 'O', _73232)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _108742)
   Call: (220) [system] peek_char((0x55772f068e50), _109676)
   Exit: (220) [system] peek_char((0x55772f068e50), r)
^  Call: (220) [user] is_delimiter(r)
   Call: (221) [system] char_type(r, space)
   Fail: (221) [system] char_type(r, space)
   Call: (221) [system] arg(_114396, v('(', ')', end_of_file), r)
   Fail: (221) [system] arg(_115328, v('(', ')', end_of_file), r)
^  Fail: (220) [user] is_delimiter(r)
   Call: (220) [system] ')'==r
   Fail: (220) [system] ')'==r
   Call: (220) [system] get_char((0x55772f068e50), r)
   Exit: (220) [system] get_char((0x55772f068e50), r)
   Call: (220) [system] r=(\)
   Fail: (220) [system] r=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _122678)
   Call: (221) [system] peek_char((0x55772f068e50), _123612)
   Exit: (221) [system] peek_char((0x55772f068e50), 'L')
^  Call: (221) [user] is_delimiter('L')
   Call: (222) [system] char_type('L', space)
   Fail: (222) [system] char_type('L', space)
   Call: (222) [system] arg(_128332, v('(', ')', end_of_file), 'L')
   Fail: (222) [system] arg(_129264, v('(', ')', end_of_file), 'L')
^  Fail: (221) [user] is_delimiter('L')
   Call: (221) [system] ')'=='L'
   Fail: (221) [system] ')'=='L'
   Call: (221) [system] get_char((0x55772f068e50), 'L')
   Exit: (221) [system] get_char((0x55772f068e50), 'L')
   Call: (221) [system] 'L'=(\)
   Fail: (221) [system] 'L'=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _136614)
   Call: (222) [system] peek_char((0x55772f068e50), _137548)
   Exit: (222) [system] peek_char((0x55772f068e50), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_142268, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_143200, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x55772f068e50), i)
   Exit: (222) [system] get_char((0x55772f068e50), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _150550)
   Call: (223) [system] peek_char((0x55772f068e50), _151484)
   Exit: (223) [system] peek_char((0x55772f068e50), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_156204, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_157136, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x55772f068e50), n)
   Exit: (223) [system] get_char((0x55772f068e50), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _164486)
   Call: (224) [system] peek_char((0x55772f068e50), _165420)
   Exit: (224) [system] peek_char((0x55772f068e50), k)
^  Call: (224) [user] is_delimiter(k)
   Call: (225) [system] char_type(k, space)
   Fail: (225) [system] char_type(k, space)
   Call: (225) [system] arg(_170140, v('(', ')', end_of_file), k)
   Fail: (225) [system] arg(_171072, v('(', ')', end_of_file), k)
^  Fail: (224) [user] is_delimiter(k)
   Call: (224) [system] ')'==k
   Fail: (224) [system] ')'==k
   Call: (224) [system] get_char((0x55772f068e50), k)
   Exit: (224) [system] get_char((0x55772f068e50), k)
   Call: (224) [system] k=(\)
   Fail: (224) [system] k=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _178422)
   Call: (225) [system] peek_char((0x55772f068e50), _179356)
   Exit: (225) [system] peek_char((0x55772f068e50), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _178422=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (224) [system] _164486=[k]
   Exit: (224) [system] [k]=[k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (223) [system] _150550=[n, k]
   Exit: (223) [system] [n, k]=[n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (222) [system] _136614=[i, n, k]
   Exit: (222) [system] [i, n, k]=[i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (221) [system] _122678=['L', i, n, k]
   Exit: (221) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (220) [system] _108742=[r, 'L', i, n, k]
   Exit: (220) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (219) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _73232)
^  Call: (220) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _202610)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_203562, _203564), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _202610), _203544, fail)), '$restore_trace'(_203562, _203564))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_203562, _203564))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _202610), _203544, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_202610)
   Fail: (221) [system] atomic(_202610)
   Call: (221) [system] atom_chars(_202610, ['O', r, 'L', i, n, k])
   Exit: (221) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (220) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (220) [system] integer('OrLink')
   Fail: (220) [system] integer('OrLink')
   Call: (220) [system] _73232='OrLink'
   Exit: (220) [system] 'OrLink'='OrLink'
^  Exit: (219) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (218) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (217) [user] read_list(')', (0x55772f068e50), _217560)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _219418)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x55772f068e50), _229012)
   Exit: (219) [system] get_char((0x55772f068e50), ' ')
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _231716)
   Exit: (220) [system] peek_char((0x55772f068e50), 'B')
   Call: (220) [system] 'B'=(;)
   Fail: (220) [system] 'B'=(;)
   Call: (220) [system] 'B'=(/)
   Fail: (220) [system] 'B'=(/)
^  Call: (220) [user] is_like_space('B')
   Call: (221) [system] char_type('B', 'white')
   Fail: (221) [system] char_type('B', 'white')
   Call: (221) [system] char_type('B', end_of_line)
   Fail: (221) [system] char_type('B', end_of_line)
   Call: (221) [system] char_type('B', space)
   Fail: (221) [system] char_type('B', space)
   Call: (221) [system] char_type('B', cntrl)
   Fail: (221) [system] char_type('B', cntrl)
^  Fail: (220) [user] is_like_space('B')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _248650)
   Exit: (218) [system] peek_char((0x55772f068e50), 'B')
   Call: (218) [system] 'B'=')'
   Fail: (218) [system] 'B'=')'
   Call: (218) [system] 'B'=end_of_file
   Fail: (218) [system] 'B'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _254220)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _256078)
   Exit: (220) [system] peek_char((0x55772f068e50), 'B')
   Call: (220) [system] 'B'=(;)
   Fail: (220) [system] 'B'=(;)
   Call: (220) [system] 'B'=(/)
   Fail: (220) [system] 'B'=(/)
^  Call: (220) [user] is_like_space('B')
   Call: (221) [system] char_type('B', 'white')
   Fail: (221) [system] char_type('B', 'white')
   Call: (221) [system] char_type('B', end_of_line)
   Fail: (221) [system] char_type('B', end_of_line)
   Call: (221) [system] char_type('B', space)
   Fail: (221) [system] char_type('B', space)
   Call: (221) [system] char_type('B', cntrl)
   Fail: (221) [system] char_type('B', cntrl)
^  Fail: (220) [user] is_like_space('B')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _272088)
   Exit: (219) [system] get_char((0x55772f068e50), 'B')
   Call: (219) [system] 'B'='('
   Fail: (219) [system] 'B'='('
   Call: (219) [system] 'B'='['
   Fail: (219) [system] 'B'='['
   Call: (219) [system] 'B'='{'
   Fail: (219) [system] 'B'='{'
   Call: (219) [system] 'B'='"'
   Fail: (219) [system] 'B'='"'
   Call: (219) [system] 'B'=!
   Fail: (219) [system] 'B'=!
   Call: (219) [system] 'B'='\''
   Fail: (219) [system] 'B'='\''
   Call: (219) [system] 'B'='`'
   Fail: (219) [system] 'B'='`'
   Call: (219) [system] 'B'=end_of_file
   Fail: (219) [system] 'B'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x55772f068e50), 'B', _254220)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _289730)
   Call: (221) [system] peek_char((0x55772f068e50), _290664)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _289730=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (220) [user] classify_and_convert_charseq(['B'], _254220)
^  Call: (221) [user] classify_and_convert_charseq_(['B'], _299948)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_300900, _300902), once(user:catch(read_from_chars(['B'], _299948), _300882, fail)), '$restore_trace'(_300900, _300902))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_300900, _300902))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _299948), _300882, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_299948)
   Fail: (222) [system] atomic(_299948)
   Call: (222) [system] atom_chars(_299948, ['B'])
   Exit: (222) [system] atom_chars('B', ['B'])
^  Exit: (221) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (221) [system] integer('B')
   Fail: (221) [system] integer('B')
   Call: (221) [system] _254220='B'
   Exit: (221) [system] 'B'='B'
^  Exit: (220) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (219) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (218) [user] read_list(')', (0x55772f068e50), _314898)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _316756)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x55772f068e50), _326350)
   Exit: (220) [system] get_char((0x55772f068e50), ' ')
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _329054)
   Exit: (221) [system] peek_char((0x55772f068e50), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _345988)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _351558)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _353416)
   Exit: (221) [system] peek_char((0x55772f068e50), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _369426)
   Exit: (220) [system] get_char((0x55772f068e50), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x55772f068e50), _351558)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _374996)
   Exit: (222) [system] peek_char((0x55772f068e50), 'I')
   Call: (222) [system] 'I'=(;)
   Fail: (222) [system] 'I'=(;)
   Call: (222) [system] 'I'=(/)
   Fail: (222) [system] 'I'=(/)
^  Call: (222) [user] is_like_space('I')
   Call: (223) [system] char_type('I', 'white')
   Fail: (223) [system] char_type('I', 'white')
   Call: (223) [system] char_type('I', end_of_line)
   Fail: (223) [system] char_type('I', end_of_line)
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] char_type('I', cntrl)
   Fail: (223) [system] char_type('I', cntrl)
^  Fail: (222) [user] is_like_space('I')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _391006)
   Exit: (221) [system] peek_char((0x55772f068e50), 'I')
   Call: (221) [system] 'I'=')'
   Fail: (221) [system] 'I'=')'
   Call: (221) [system] 'I'=end_of_file
   Fail: (221) [system] 'I'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _396576)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _398434)
   Exit: (223) [system] peek_char((0x55772f068e50), 'I')
   Call: (223) [system] 'I'=(;)
   Fail: (223) [system] 'I'=(;)
   Call: (223) [system] 'I'=(/)
   Fail: (223) [system] 'I'=(/)
^  Call: (223) [user] is_like_space('I')
   Call: (224) [system] char_type('I', 'white')
   Fail: (224) [system] char_type('I', 'white')
   Call: (224) [system] char_type('I', end_of_line)
   Fail: (224) [system] char_type('I', end_of_line)
   Call: (224) [system] char_type('I', space)
   Fail: (224) [system] char_type('I', space)
   Call: (224) [system] char_type('I', cntrl)
   Fail: (224) [system] char_type('I', cntrl)
^  Fail: (223) [user] is_like_space('I')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _414444)
   Exit: (222) [system] get_char((0x55772f068e50), 'I')
   Call: (222) [system] 'I'='('
   Fail: (222) [system] 'I'='('
   Call: (222) [system] 'I'='['
   Fail: (222) [system] 'I'='['
   Call: (222) [system] 'I'='{'
   Fail: (222) [system] 'I'='{'
   Call: (222) [system] 'I'='"'
   Fail: (222) [system] 'I'='"'
   Call: (222) [system] 'I'=!
   Fail: (222) [system] 'I'=!
   Call: (222) [system] 'I'='\''
   Fail: (222) [system] 'I'='\''
   Call: (222) [system] 'I'='`'
   Fail: (222) [system] 'I'='`'
   Call: (222) [system] 'I'=end_of_file
   Fail: (222) [system] 'I'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x55772f068e50), 'I', _396576)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _432086)
   Call: (224) [system] peek_char((0x55772f068e50), _433020)
   Exit: (224) [system] peek_char((0x55772f068e50), m)
^  Call: (224) [user] is_delimiter(m)
   Call: (225) [system] char_type(m, space)
   Fail: (225) [system] char_type(m, space)
   Call: (225) [system] arg(_437740, v('(', ')', end_of_file), m)
   Fail: (225) [system] arg(_438672, v('(', ')', end_of_file), m)
^  Fail: (224) [user] is_delimiter(m)
   Call: (224) [system] ')'==m
   Fail: (224) [system] ')'==m
   Call: (224) [system] get_char((0x55772f068e50), m)
   Exit: (224) [system] get_char((0x55772f068e50), m)
   Call: (224) [system] m=(\)
   Fail: (224) [system] m=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _446022)
   Call: (225) [system] peek_char((0x55772f068e50), _446956)
   Exit: (225) [system] peek_char((0x55772f068e50), p)
^  Call: (225) [user] is_delimiter(p)
   Call: (226) [system] char_type(p, space)
   Fail: (226) [system] char_type(p, space)
   Call: (226) [system] arg(_451676, v('(', ')', end_of_file), p)
   Fail: (226) [system] arg(_452608, v('(', ')', end_of_file), p)
^  Fail: (225) [user] is_delimiter(p)
   Call: (225) [system] ')'==p
   Fail: (225) [system] ')'==p
   Call: (225) [system] get_char((0x55772f068e50), p)
   Exit: (225) [system] get_char((0x55772f068e50), p)
   Call: (225) [system] p=(\)
   Fail: (225) [system] p=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _459958)
   Call: (226) [system] peek_char((0x55772f068e50), _460892)
   Exit: (226) [system] peek_char((0x55772f068e50), l)
^  Call: (226) [user] is_delimiter(l)
   Call: (227) [system] char_type(l, space)
   Fail: (227) [system] char_type(l, space)
   Call: (227) [system] arg(_465612, v('(', ')', end_of_file), l)
   Fail: (227) [system] arg(_466544, v('(', ')', end_of_file), l)
^  Fail: (226) [user] is_delimiter(l)
   Call: (226) [system] ')'==l
   Fail: (226) [system] ')'==l
   Call: (226) [system] get_char((0x55772f068e50), l)
   Exit: (226) [system] get_char((0x55772f068e50), l)
   Call: (226) [system] l=(\)
   Fail: (226) [system] l=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _473894)
   Call: (227) [system] peek_char((0x55772f068e50), _474828)
   Exit: (227) [system] peek_char((0x55772f068e50), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_479548, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_480480, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x55772f068e50), i)
   Exit: (227) [system] get_char((0x55772f068e50), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _487830)
   Call: (228) [system] peek_char((0x55772f068e50), _488764)
   Exit: (228) [system] peek_char((0x55772f068e50), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_493484, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_494416, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x55772f068e50), c)
   Exit: (228) [system] get_char((0x55772f068e50), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _501766)
   Call: (229) [system] peek_char((0x55772f068e50), _502700)
   Exit: (229) [system] peek_char((0x55772f068e50), a)
^  Call: (229) [user] is_delimiter(a)
   Call: (230) [system] char_type(a, space)
   Fail: (230) [system] char_type(a, space)
   Call: (230) [system] arg(_507420, v('(', ')', end_of_file), a)
   Fail: (230) [system] arg(_508352, v('(', ')', end_of_file), a)
^  Fail: (229) [user] is_delimiter(a)
   Call: (229) [system] ')'==a
   Fail: (229) [system] ')'==a
   Call: (229) [system] get_char((0x55772f068e50), a)
   Exit: (229) [system] get_char((0x55772f068e50), a)
   Call: (229) [system] a=(\)
   Fail: (229) [system] a=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _515702)
   Call: (230) [system] peek_char((0x55772f068e50), _516636)
   Exit: (230) [system] peek_char((0x55772f068e50), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_521356, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_522288, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x55772f068e50), t)
   Exit: (230) [system] get_char((0x55772f068e50), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _529638)
   Call: (231) [system] peek_char((0x55772f068e50), _530572)
   Exit: (231) [system] peek_char((0x55772f068e50), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_535292, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_536224, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x55772f068e50), i)
   Exit: (231) [system] get_char((0x55772f068e50), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _543574)
   Call: (232) [system] peek_char((0x55772f068e50), _544508)
   Exit: (232) [system] peek_char((0x55772f068e50), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_549228, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_550160, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x55772f068e50), o)
   Exit: (232) [system] get_char((0x55772f068e50), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _557510)
   Call: (233) [system] peek_char((0x55772f068e50), _558444)
   Exit: (233) [system] peek_char((0x55772f068e50), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_563164, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_564096, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x55772f068e50), n)
   Exit: (233) [system] get_char((0x55772f068e50), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _571446)
   Call: (234) [system] peek_char((0x55772f068e50), _572380)
   Exit: (234) [system] peek_char((0x55772f068e50), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _571446=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (233) [system] _557510=[n]
   Exit: (233) [system] [n]=[n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (232) [system] _543574=[o, n]
   Exit: (232) [system] [o, n]=[o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (231) [system] _529638=[i, o, n]
   Exit: (231) [system] [i, o, n]=[i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (230) [system] _515702=[t, i, o, n]
   Exit: (230) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (229) [system] _501766=[a, t, i, o, n]
   Exit: (229) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (228) [system] _487830=[c, a, t, i, o, n]
   Exit: (228) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (227) [system] _473894=[i, c, a, t, i, o, n]
   Exit: (227) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (226) [system] _459958=[l, i, c, a, t, i, o, n]
   Exit: (226) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (225) [system] _446022=[p, l, i, c, a, t, i, o, n]
   Exit: (225) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (224) [system] _432086=[m, p, l, i, c, a, t, i, o, n]
   Exit: (224) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (223) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _396576)
^  Call: (224) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _609604)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_610556, _610558), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _609604), _610538, fail)), '$restore_trace'(_610556, _610558))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_610556, _610558))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _609604), _610538, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_609604)
   Fail: (225) [system] atomic(_609604)
   Call: (225) [system] atom_chars(_609604, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (225) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (224) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (224) [system] integer('Implication')
   Fail: (224) [system] integer('Implication')
   Call: (224) [system] _396576='Implication'
   Exit: (224) [system] 'Implication'='Implication'
^  Exit: (223) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (222) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (221) [user] read_list(')', (0x55772f068e50), _624554)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _626412)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x55772f068e50), _636006)
   Exit: (223) [system] get_char((0x55772f068e50), ' ')
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _638710)
   Exit: (224) [system] peek_char((0x55772f068e50), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _655644)
   Exit: (222) [system] peek_char((0x55772f068e50), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _661214)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _663072)
   Exit: (224) [system] peek_char((0x55772f068e50), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _679082)
   Exit: (223) [system] get_char((0x55772f068e50), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x55772f068e50), _661214)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _684652)
   Exit: (225) [system] peek_char((0x55772f068e50), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _700662)
   Exit: (224) [system] peek_char((0x55772f068e50), 'A')
   Call: (224) [system] 'A'=')'
   Fail: (224) [system] 'A'=')'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x55772f068e50), _706232)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _708090)
   Exit: (226) [system] peek_char((0x55772f068e50), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
   Call: (226) [system] 'A'=(/)
   Fail: (226) [system] 'A'=(/)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] get_char((0x55772f068e50), _724100)
   Exit: (225) [system] get_char((0x55772f068e50), 'A')
   Call: (225) [system] 'A'='('
   Fail: (225) [system] 'A'='('
   Call: (225) [system] 'A'='['
   Fail: (225) [system] 'A'='['
   Call: (225) [system] 'A'='{'
   Fail: (225) [system] 'A'='{'
   Call: (225) [system] 'A'='"'
   Fail: (225) [system] 'A'='"'
   Call: (225) [system] 'A'=!
   Fail: (225) [system] 'A'=!
   Call: (225) [system] 'A'='\''
   Fail: (225) [system] 'A'='\''
   Call: (225) [system] 'A'='`'
   Fail: (225) [system] 'A'='`'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x55772f068e50), 'A', _706232)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _741742)
   Call: (227) [system] peek_char((0x55772f068e50), _742676)
   Exit: (227) [system] peek_char((0x55772f068e50), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_747396, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_748328, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x55772f068e50), n)
   Exit: (227) [system] get_char((0x55772f068e50), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _755678)
   Call: (228) [system] peek_char((0x55772f068e50), _756612)
   Exit: (228) [system] peek_char((0x55772f068e50), d)
^  Call: (228) [user] is_delimiter(d)
   Call: (229) [system] char_type(d, space)
   Fail: (229) [system] char_type(d, space)
   Call: (229) [system] arg(_761332, v('(', ')', end_of_file), d)
   Fail: (229) [system] arg(_762264, v('(', ')', end_of_file), d)
^  Fail: (228) [user] is_delimiter(d)
   Call: (228) [system] ')'==d
   Fail: (228) [system] ')'==d
   Call: (228) [system] get_char((0x55772f068e50), d)
   Exit: (228) [system] get_char((0x55772f068e50), d)
   Call: (228) [system] d=(\)
   Fail: (228) [system] d=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _769614)
   Call: (229) [system] peek_char((0x55772f068e50), _770548)
   Exit: (229) [system] peek_char((0x55772f068e50), 'L')
^  Call: (229) [user] is_delimiter('L')
   Call: (230) [system] char_type('L', space)
   Fail: (230) [system] char_type('L', space)
   Call: (230) [system] arg(_775268, v('(', ')', end_of_file), 'L')
   Fail: (230) [system] arg(_776200, v('(', ')', end_of_file), 'L')
^  Fail: (229) [user] is_delimiter('L')
   Call: (229) [system] ')'=='L'
   Fail: (229) [system] ')'=='L'
   Call: (229) [system] get_char((0x55772f068e50), 'L')
   Exit: (229) [system] get_char((0x55772f068e50), 'L')
   Call: (229) [system] 'L'=(\)
   Fail: (229) [system] 'L'=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _783550)
   Call: (230) [system] peek_char((0x55772f068e50), _784484)
   Exit: (230) [system] peek_char((0x55772f068e50), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_789204, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_790136, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x55772f068e50), i)
   Exit: (230) [system] get_char((0x55772f068e50), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _797486)
   Call: (231) [system] peek_char((0x55772f068e50), _798420)
   Exit: (231) [system] peek_char((0x55772f068e50), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_803140, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_804072, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x55772f068e50), n)
   Exit: (231) [system] get_char((0x55772f068e50), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _811422)
   Call: (232) [system] peek_char((0x55772f068e50), _812356)
   Exit: (232) [system] peek_char((0x55772f068e50), k)
^  Call: (232) [user] is_delimiter(k)
   Call: (233) [system] char_type(k, space)
   Fail: (233) [system] char_type(k, space)
   Call: (233) [system] arg(_817076, v('(', ')', end_of_file), k)
   Fail: (233) [system] arg(_818008, v('(', ')', end_of_file), k)
^  Fail: (232) [user] is_delimiter(k)
   Call: (232) [system] ')'==k
   Fail: (232) [system] ')'==k
   Call: (232) [system] get_char((0x55772f068e50), k)
   Exit: (232) [system] get_char((0x55772f068e50), k)
   Call: (232) [system] k=(\)
   Fail: (232) [system] k=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _825358)
   Call: (233) [system] peek_char((0x55772f068e50), _826292)
   Exit: (233) [system] peek_char((0x55772f068e50), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _825358=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (232) [system] _811422=[k]
   Exit: (232) [system] [k]=[k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (231) [system] _797486=[n, k]
   Exit: (231) [system] [n, k]=[n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (230) [system] _783550=[i, n, k]
   Exit: (230) [system] [i, n, k]=[i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (229) [system] _769614=['L', i, n, k]
   Exit: (229) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (228) [system] _755678=[d, 'L', i, n, k]
   Exit: (228) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (227) [system] _741742=[n, d, 'L', i, n, k]
   Exit: (227) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (226) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _706232)
^  Call: (227) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _852340)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_853292, _853294), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _852340), _853274, fail)), '$restore_trace'(_853292, _853294))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_853292, _853294))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _852340), _853274, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_852340)
   Fail: (228) [system] atomic(_852340)
   Call: (228) [system] atom_chars(_852340, ['A', n, d, 'L', i, n, k])
   Exit: (228) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (227) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (227) [system] integer('AndLink')
   Fail: (227) [system] integer('AndLink')
   Call: (227) [system] _706232='AndLink'
   Exit: (227) [system] 'AndLink'='AndLink'
^  Exit: (226) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (225) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (224) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (224) [user] read_list(')', (0x55772f068e50), _867290)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _869148)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x55772f068e50), _878742)
   Exit: (226) [system] get_char((0x55772f068e50), ' ')
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _881446)
   Exit: (227) [system] peek_char((0x55772f068e50), 'A')
   Call: (227) [system] 'A'=(;)
   Fail: (227) [system] 'A'=(;)
   Call: (227) [system] 'A'=(/)
   Fail: (227) [system] 'A'=(/)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Fail: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Fail: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Fail: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
   Fail: (228) [system] char_type('A', cntrl)
^  Fail: (227) [user] is_like_space('A')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _898380)
   Exit: (225) [system] peek_char((0x55772f068e50), 'A')
   Call: (225) [system] 'A'=')'
   Fail: (225) [system] 'A'=')'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x55772f068e50), _903950)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _905808)
   Exit: (227) [system] peek_char((0x55772f068e50), 'A')
   Call: (227) [system] 'A'=(;)
   Fail: (227) [system] 'A'=(;)
   Call: (227) [system] 'A'=(/)
   Fail: (227) [system] 'A'=(/)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Fail: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Fail: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Fail: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
   Fail: (228) [system] char_type('A', cntrl)
^  Fail: (227) [user] is_like_space('A')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] get_char((0x55772f068e50), _921818)
   Exit: (226) [system] get_char((0x55772f068e50), 'A')
   Call: (226) [system] 'A'='('
   Fail: (226) [system] 'A'='('
   Call: (226) [system] 'A'='['
   Fail: (226) [system] 'A'='['
   Call: (226) [system] 'A'='{'
   Fail: (226) [system] 'A'='{'
   Call: (226) [system] 'A'='"'
   Fail: (226) [system] 'A'='"'
   Call: (226) [system] 'A'=!
   Fail: (226) [system] 'A'=!
   Call: (226) [system] 'A'='\''
   Fail: (226) [system] 'A'='\''
   Call: (226) [system] 'A'='`'
   Fail: (226) [system] 'A'='`'
   Call: (226) [system] 'A'=end_of_file
   Fail: (226) [system] 'A'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x55772f068e50), 'A', _903950)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _939460)
   Call: (228) [system] peek_char((0x55772f068e50), _940394)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _939460=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (227) [user] classify_and_convert_charseq(['A'], _903950)
^  Call: (228) [user] classify_and_convert_charseq_(['A'], _949678)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_950630, _950632), once(user:catch(read_from_chars(['A'], _949678), _950612, fail)), '$restore_trace'(_950630, _950632))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_950630, _950632))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _949678), _950612, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_949678)
   Fail: (229) [system] atomic(_949678)
   Call: (229) [system] atom_chars(_949678, ['A'])
   Exit: (229) [system] atom_chars('A', ['A'])
^  Exit: (228) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (228) [system] integer('A')
   Fail: (228) [system] integer('A')
   Call: (228) [system] _903950='A'
   Exit: (228) [system] 'A'='A'
^  Exit: (227) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (226) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (225) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (225) [user] read_list(')', (0x55772f068e50), _964628)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _966486)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x55772f068e50), _976080)
   Exit: (227) [system] get_char((0x55772f068e50), ' ')
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _978784)
   Exit: (228) [system] peek_char((0x55772f068e50), 'B')
   Call: (228) [system] 'B'=(;)
   Fail: (228) [system] 'B'=(;)
   Call: (228) [system] 'B'=(/)
   Fail: (228) [system] 'B'=(/)
^  Call: (228) [user] is_like_space('B')
   Call: (229) [system] char_type('B', 'white')
   Fail: (229) [system] char_type('B', 'white')
   Call: (229) [system] char_type('B', end_of_line)
   Fail: (229) [system] char_type('B', end_of_line)
   Call: (229) [system] char_type('B', space)
   Fail: (229) [system] char_type('B', space)
   Call: (229) [system] char_type('B', cntrl)
   Fail: (229) [system] char_type('B', cntrl)
^  Fail: (228) [user] is_like_space('B')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _995718)
   Exit: (226) [system] peek_char((0x55772f068e50), 'B')
   Call: (226) [system] 'B'=')'
   Fail: (226) [system] 'B'=')'
   Call: (226) [system] 'B'=end_of_file
   Fail: (226) [system] 'B'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x55772f068e50), _1001288)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1003146)
   Exit: (228) [system] peek_char((0x55772f068e50), 'B')
   Call: (228) [system] 'B'=(;)
   Fail: (228) [system] 'B'=(;)
   Call: (228) [system] 'B'=(/)
   Fail: (228) [system] 'B'=(/)
^  Call: (228) [user] is_like_space('B')
   Call: (229) [system] char_type('B', 'white')
   Fail: (229) [system] char_type('B', 'white')
   Call: (229) [system] char_type('B', end_of_line)
   Fail: (229) [system] char_type('B', end_of_line)
   Call: (229) [system] char_type('B', space)
   Fail: (229) [system] char_type('B', space)
   Call: (229) [system] char_type('B', cntrl)
   Fail: (229) [system] char_type('B', cntrl)
^  Fail: (228) [user] is_like_space('B')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] get_char((0x55772f068e50), _1019156)
   Exit: (227) [system] get_char((0x55772f068e50), 'B')
   Call: (227) [system] 'B'='('
   Fail: (227) [system] 'B'='('
   Call: (227) [system] 'B'='['
   Fail: (227) [system] 'B'='['
   Call: (227) [system] 'B'='{'
   Fail: (227) [system] 'B'='{'
   Call: (227) [system] 'B'='"'
   Fail: (227) [system] 'B'='"'
   Call: (227) [system] 'B'=!
   Fail: (227) [system] 'B'=!
   Call: (227) [system] 'B'='\''
   Fail: (227) [system] 'B'='\''
   Call: (227) [system] 'B'='`'
   Fail: (227) [system] 'B'='`'
   Call: (227) [system] 'B'=end_of_file
   Fail: (227) [system] 'B'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x55772f068e50), 'B', _1001288)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1036798)
   Call: (229) [system] peek_char((0x55772f068e50), _1037732)
   Exit: (229) [system] peek_char((0x55772f068e50), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_1042452, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _1036798=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (228) [user] classify_and_convert_charseq(['B'], _1001288)
^  Call: (229) [user] classify_and_convert_charseq_(['B'], _1048888)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1049840, _1049842), once(user:catch(read_from_chars(['B'], _1048888), _1049822, fail)), '$restore_trace'(_1049840, _1049842))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1049840, _1049842))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1048888), _1049822, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1048888)
   Fail: (230) [system] atomic(_1048888)
   Call: (230) [system] atom_chars(_1048888, ['B'])
   Exit: (230) [system] atom_chars('B', ['B'])
^  Exit: (229) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (229) [system] integer('B')
   Fail: (229) [system] integer('B')
   Call: (229) [system] _1001288='B'
   Exit: (229) [system] 'B'='B'
^  Exit: (228) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (227) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (226) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (226) [user] read_list(')', (0x55772f068e50), _1063838)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1065696)
   Exit: (228) [system] peek_char((0x55772f068e50), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
   Call: (228) [system] ')'=(/)
   Fail: (228) [system] ')'=(/)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1081706)
   Exit: (227) [system] peek_char((0x55772f068e50), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x55772f068e50), _1085496)
   Exit: (227) [system] get_char((0x55772f068e50), ')')
   Call: (227) [system] _1063838=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x55772f068e50), [])
   Call: (226) [system] _964628=['B']
   Exit: (226) [system] ['B']=['B']
^  Exit: (225) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (225) [system] _867290=['A', 'B']
   Exit: (225) [system] ['A', 'B']=['A', 'B']
^  Exit: (224) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (224) [system] _661214=['AndLink', 'A', 'B']
   Exit: (224) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (223) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (222) [user] read_list(')', (0x55772f068e50), _1099378)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1101236)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x55772f068e50), _1110830)
   Exit: (224) [system] get_char((0x55772f068e50), ' ')
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1113534)
   Exit: (225) [system] peek_char((0x55772f068e50), 'C')
   Call: (225) [system] 'C'=(;)
   Fail: (225) [system] 'C'=(;)
   Call: (225) [system] 'C'=(/)
   Fail: (225) [system] 'C'=(/)
^  Call: (225) [user] is_like_space('C')
   Call: (226) [system] char_type('C', 'white')
   Fail: (226) [system] char_type('C', 'white')
   Call: (226) [system] char_type('C', end_of_line)
   Fail: (226) [system] char_type('C', end_of_line)
   Call: (226) [system] char_type('C', space)
   Fail: (226) [system] char_type('C', space)
   Call: (226) [system] char_type('C', cntrl)
   Fail: (226) [system] char_type('C', cntrl)
^  Fail: (225) [user] is_like_space('C')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1130468)
   Exit: (223) [system] peek_char((0x55772f068e50), 'C')
   Call: (223) [system] 'C'=')'
   Fail: (223) [system] 'C'=')'
   Call: (223) [system] 'C'=end_of_file
   Fail: (223) [system] 'C'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x55772f068e50), _1136038)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1137896)
   Exit: (225) [system] peek_char((0x55772f068e50), 'C')
   Call: (225) [system] 'C'=(;)
   Fail: (225) [system] 'C'=(;)
   Call: (225) [system] 'C'=(/)
   Fail: (225) [system] 'C'=(/)
^  Call: (225) [user] is_like_space('C')
   Call: (226) [system] char_type('C', 'white')
   Fail: (226) [system] char_type('C', 'white')
   Call: (226) [system] char_type('C', end_of_line)
   Fail: (226) [system] char_type('C', end_of_line)
   Call: (226) [system] char_type('C', space)
   Fail: (226) [system] char_type('C', space)
   Call: (226) [system] char_type('C', cntrl)
   Fail: (226) [system] char_type('C', cntrl)
^  Fail: (225) [user] is_like_space('C')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] get_char((0x55772f068e50), _1153906)
   Exit: (224) [system] get_char((0x55772f068e50), 'C')
   Call: (224) [system] 'C'='('
   Fail: (224) [system] 'C'='('
   Call: (224) [system] 'C'='['
   Fail: (224) [system] 'C'='['
   Call: (224) [system] 'C'='{'
   Fail: (224) [system] 'C'='{'
   Call: (224) [system] 'C'='"'
   Fail: (224) [system] 'C'='"'
   Call: (224) [system] 'C'=!
   Fail: (224) [system] 'C'=!
   Call: (224) [system] 'C'='\''
   Fail: (224) [system] 'C'='\''
   Call: (224) [system] 'C'='`'
   Fail: (224) [system] 'C'='`'
   Call: (224) [system] 'C'=end_of_file
   Fail: (224) [system] 'C'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x55772f068e50), 'C', _1136038)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1171548)
   Call: (226) [system] peek_char((0x55772f068e50), _1172482)
   Exit: (226) [system] peek_char((0x55772f068e50), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_1177202, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _1171548=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (225) [user] classify_and_convert_charseq(['C'], _1136038)
^  Call: (226) [user] classify_and_convert_charseq_(['C'], _1183638)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1184590, _1184592), once(user:catch(read_from_chars(['C'], _1183638), _1184572, fail)), '$restore_trace'(_1184590, _1184592))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1184590, _1184592))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1183638), _1184572, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1183638)
   Fail: (227) [system] atomic(_1183638)
   Call: (227) [system] atom_chars(_1183638, ['C'])
   Exit: (227) [system] atom_chars('C', ['C'])
^  Exit: (226) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (226) [system] integer('C')
   Fail: (226) [system] integer('C')
   Call: (226) [system] _1136038='C'
   Exit: (226) [system] 'C'='C'
^  Exit: (225) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (224) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (223) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (223) [user] read_list(')', (0x55772f068e50), _1198588)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1200446)
   Exit: (225) [system] peek_char((0x55772f068e50), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
   Call: (225) [system] ')'=(/)
   Fail: (225) [system] ')'=(/)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1216456)
   Exit: (224) [system] peek_char((0x55772f068e50), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x55772f068e50), _1220246)
   Exit: (224) [system] get_char((0x55772f068e50), ')')
   Call: (224) [system] _1198588=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x55772f068e50), [])
   Call: (223) [system] _1099378=['C']
   Exit: (223) [system] ['C']=['C']
^  Exit: (222) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (222) [system] _624554=[['AndLink', 'A', 'B'], 'C']
   Exit: (222) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (221) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (221) [system] _351558=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (221) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (220) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (219) [user] read_list(')', (0x55772f068e50), _1234128)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1235986)
   Exit: (221) [system] peek_char((0x55772f068e50), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
   Call: (221) [system] ')'=(/)
   Fail: (221) [system] ')'=(/)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1251996)
   Exit: (220) [system] peek_char((0x55772f068e50), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x55772f068e50), _1255786)
   Exit: (220) [system] get_char((0x55772f068e50), ')')
   Call: (220) [system] _1234128=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x55772f068e50), [])
   Call: (219) [system] _314898=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (219) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (218) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (218) [system] _217560=['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (218) [system] ['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (217) [user] read_list(')', (0x55772f068e50), ['B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (217) [system] _28214=['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (217) [system] ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (216) [user] read_list(')', (0x55772f068e50), ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (215) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (215) [user] read_list(')', (0x55772f068e50), _1269668)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1271526)
   Exit: (217) [system] peek_char((0x55772f068e50), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
   Call: (217) [system] ')'=(/)
   Fail: (217) [system] ')'=(/)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1287536)
   Exit: (216) [system] peek_char((0x55772f068e50), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x55772f068e50), _1291326)
   Exit: (216) [system] get_char((0x55772f068e50), ')')
   Call: (216) [system] _1269668=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x55772f068e50), [])
   Call: (215) [system] _4960=[['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (215) [system] [['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (214) [user] read_list(')', (0x55772f068e50), [['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (214) [system] _4918=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (214) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (213) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (213) [system] _4910=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (213) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (212) [user] read_list(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (211) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (211) [user] read_list(')', (0x55772f068e50), _1305208)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1307066)
   Exit: (213) [system] peek_char((0x55772f068e50), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
   Call: (213) [system] ')'=(/)
   Fail: (213) [system] ')'=(/)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1323076)
   Exit: (212) [system] peek_char((0x55772f068e50), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x55772f068e50), _1326866)
   Exit: (212) [system] get_char((0x55772f068e50), ')')
   Call: (212) [system] _1305208=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x55772f068e50), [])
   Call: (211) [system] _4906=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (211) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (210) [user] read_list(')', (0x55772f068e50), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (210) [system] _4864=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (210) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (209) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (209) [system] _4856=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (209) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (208) [user] read_list(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Exit: (207) [user] cont_sexpr(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Call: (207) [user] read_list(')', (0x55772f068e50), _1340748)
^  Call: (208) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _1342606)
   Exit: (209) [system] peek_char((0x55772f068e50), '\n')
   Call: (209) [system] '\n'=(;)
   Fail: (209) [system] '\n'=(;)
   Call: (209) [system] '\n'=(/)
   Fail: (209) [system] '\n'=(/)
^  Call: (209) [user] is_like_space('\n')
   Call: (210) [system] char_type('\n', 'white')
   Fail: (210) [system] char_type('\n', 'white')
   Call: (210) [system] char_type('\n', end_of_line)
   Exit: (210) [system] char_type('\n', end_of_line)
^  Exit: (209) [user] is_like_space('\n')
   Call: (209) [system] get_char((0x55772f068e50), _1354056)
   Exit: (209) [system] get_char((0x55772f068e50), '\n')
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1356760)
   Exit: (210) [system] peek_char((0x55772f068e50), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x55772f068e50), _1366354)
   Exit: (210) [system] get_char((0x55772f068e50), ' ')
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1369058)
   Exit: (211) [system] peek_char((0x55772f068e50), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
^  Exit: (208) [user] skip_spaces((0x55772f068e50))
   Call: (208) [system] peek_char((0x55772f068e50), _1386916)
   Exit: (208) [system] peek_char((0x55772f068e50), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x55772f068e50), _1392486)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1394344)
   Exit: (210) [system] peek_char((0x55772f068e50), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] get_char((0x55772f068e50), _1410354)
   Exit: (209) [system] get_char((0x55772f068e50), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x55772f068e50), _1392486)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1415924)
   Exit: (211) [system] peek_char((0x55772f068e50), :)
   Call: (211) [system] (:)=(;)
   Fail: (211) [system] (:)=(;)
   Call: (211) [system] (:)=(/)
   Fail: (211) [system] (:)=(/)
^  Call: (211) [user] is_like_space(:)
   Call: (212) [system] char_type(:, 'white')
   Fail: (212) [system] char_type(:, 'white')
   Call: (212) [system] char_type(:, end_of_line)
   Fail: (212) [system] char_type(:, end_of_line)
   Call: (212) [system] char_type(:, space)
   Fail: (212) [system] char_type(:, space)
   Call: (212) [system] char_type(:, cntrl)
   Fail: (212) [system] char_type(:, cntrl)
^  Fail: (211) [user] is_like_space(:)
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _1431934)
   Exit: (210) [system] peek_char((0x55772f068e50), :)
   Call: (210) [system] (:)=')'
   Fail: (210) [system] (:)=')'
   Call: (210) [system] (:)=end_of_file
   Fail: (210) [system] (:)=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x55772f068e50), _1437504)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1439362)
   Exit: (212) [system] peek_char((0x55772f068e50), :)
   Call: (212) [system] (:)=(;)
   Fail: (212) [system] (:)=(;)
   Call: (212) [system] (:)=(/)
   Fail: (212) [system] (:)=(/)
^  Call: (212) [user] is_like_space(:)
   Call: (213) [system] char_type(:, 'white')
   Fail: (213) [system] char_type(:, 'white')
   Call: (213) [system] char_type(:, end_of_line)
   Fail: (213) [system] char_type(:, end_of_line)
   Call: (213) [system] char_type(:, space)
   Fail: (213) [system] char_type(:, space)
   Call: (213) [system] char_type(:, cntrl)
   Fail: (213) [system] char_type(:, cntrl)
^  Fail: (212) [user] is_like_space(:)
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] get_char((0x55772f068e50), _1455372)
   Exit: (211) [system] get_char((0x55772f068e50), :)
   Call: (211) [system] (:)='('
   Fail: (211) [system] (:)='('
   Call: (211) [system] (:)='['
   Fail: (211) [system] (:)='['
   Call: (211) [system] (:)='{'
   Fail: (211) [system] (:)='{'
   Call: (211) [system] (:)='"'
   Fail: (211) [system] (:)='"'
   Call: (211) [system] (:)=!
   Fail: (211) [system] (:)=!
   Call: (211) [system] (:)='\''
   Fail: (211) [system] (:)='\''
   Call: (211) [system] (:)='`'
   Fail: (211) [system] (:)='`'
   Call: (211) [system] (:)=end_of_file
   Fail: (211) [system] (:)=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x55772f068e50), :, _1437504)
^  Call: (212) [user] read_symbolic_cont(')', (0x55772f068e50), _1473014)
   Call: (213) [system] peek_char((0x55772f068e50), _1473948)
   Exit: (213) [system] peek_char((0x55772f068e50), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _1473014=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (212) [user] classify_and_convert_charseq([:], _1437504)
^  Call: (213) [user] classify_and_convert_charseq_([:], _1483232)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1484184, _1484186), once(user:catch(read_from_chars([:], _1483232), _1484166, fail)), '$restore_trace'(_1484184, _1484186))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1484184, _1484186))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1484166, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(:)
   Exit: (214) [system] atomic(:)
^  Exit: (213) [user] classify_and_convert_charseq_([:], :)
   Call: (213) [system] integer(:)
   Fail: (213) [system] integer(:)
   Call: (213) [system] _1437504=(:)
   Exit: (213) [system] (:)=(:)
^  Exit: (212) [user] classify_and_convert_charseq([:], :)
^  Exit: (211) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (210) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (210) [user] read_list(')', (0x55772f068e50), _1496312)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1498170)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x55772f068e50), _1507764)
   Exit: (212) [system] get_char((0x55772f068e50), ' ')
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1510468)
   Exit: (213) [system] peek_char((0x55772f068e50), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1527402)
   Exit: (211) [system] peek_char((0x55772f068e50), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x55772f068e50), _1532972)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1534830)
   Exit: (213) [system] peek_char((0x55772f068e50), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] get_char((0x55772f068e50), _1550840)
   Exit: (212) [system] get_char((0x55772f068e50), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x55772f068e50), _1532972)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1556410)
   Exit: (214) [system] peek_char((0x55772f068e50), 'D')
   Call: (214) [system] 'D'=(;)
   Fail: (214) [system] 'D'=(;)
   Call: (214) [system] 'D'=(/)
   Fail: (214) [system] 'D'=(/)
^  Call: (214) [user] is_like_space('D')
   Call: (215) [system] char_type('D', 'white')
   Fail: (215) [system] char_type('D', 'white')
   Call: (215) [system] char_type('D', end_of_line)
   Fail: (215) [system] char_type('D', end_of_line)
   Call: (215) [system] char_type('D', space)
   Fail: (215) [system] char_type('D', space)
   Call: (215) [system] char_type('D', cntrl)
   Fail: (215) [system] char_type('D', cntrl)
^  Fail: (214) [user] is_like_space('D')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1572420)
   Exit: (213) [system] peek_char((0x55772f068e50), 'D')
   Call: (213) [system] 'D'=')'
   Fail: (213) [system] 'D'=')'
   Call: (213) [system] 'D'=end_of_file
   Fail: (213) [system] 'D'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _1577990)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1579848)
   Exit: (215) [system] peek_char((0x55772f068e50), 'D')
   Call: (215) [system] 'D'=(;)
   Fail: (215) [system] 'D'=(;)
   Call: (215) [system] 'D'=(/)
   Fail: (215) [system] 'D'=(/)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Fail: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Fail: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Fail: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
   Fail: (216) [system] char_type('D', cntrl)
^  Fail: (215) [user] is_like_space('D')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _1595858)
   Exit: (214) [system] get_char((0x55772f068e50), 'D')
   Call: (214) [system] 'D'='('
   Fail: (214) [system] 'D'='('
   Call: (214) [system] 'D'='['
   Fail: (214) [system] 'D'='['
   Call: (214) [system] 'D'='{'
   Fail: (214) [system] 'D'='{'
   Call: (214) [system] 'D'='"'
   Fail: (214) [system] 'D'='"'
   Call: (214) [system] 'D'=!
   Fail: (214) [system] 'D'=!
   Call: (214) [system] 'D'='\''
   Fail: (214) [system] 'D'='\''
   Call: (214) [system] 'D'='`'
   Fail: (214) [system] 'D'='`'
   Call: (214) [system] 'D'=end_of_file
   Fail: (214) [system] 'D'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x55772f068e50), 'D', _1577990)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1613500)
   Call: (216) [system] peek_char((0x55772f068e50), _1614434)
   Exit: (216) [system] peek_char((0x55772f068e50), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_1619154, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_1620086, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x55772f068e50), i)
   Exit: (216) [system] get_char((0x55772f068e50), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _1627436)
   Call: (217) [system] peek_char((0x55772f068e50), _1628370)
   Exit: (217) [system] peek_char((0x55772f068e50), s)
^  Call: (217) [user] is_delimiter(s)
   Call: (218) [system] char_type(s, space)
   Fail: (218) [system] char_type(s, space)
   Call: (218) [system] arg(_1633090, v('(', ')', end_of_file), s)
   Fail: (218) [system] arg(_1634022, v('(', ')', end_of_file), s)
^  Fail: (217) [user] is_delimiter(s)
   Call: (217) [system] ')'==s
   Fail: (217) [system] ')'==s
   Call: (217) [system] get_char((0x55772f068e50), s)
   Exit: (217) [system] get_char((0x55772f068e50), s)
   Call: (217) [system] s=(\)
   Fail: (217) [system] s=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1641372)
   Call: (218) [system] peek_char((0x55772f068e50), _1642306)
   Exit: (218) [system] peek_char((0x55772f068e50), j)
^  Call: (218) [user] is_delimiter(j)
   Call: (219) [system] char_type(j, space)
   Fail: (219) [system] char_type(j, space)
   Call: (219) [system] arg(_1647026, v('(', ')', end_of_file), j)
   Fail: (219) [system] arg(_1647958, v('(', ')', end_of_file), j)
^  Fail: (218) [user] is_delimiter(j)
   Call: (218) [system] ')'==j
   Fail: (218) [system] ')'==j
   Call: (218) [system] get_char((0x55772f068e50), j)
   Exit: (218) [system] get_char((0x55772f068e50), j)
   Call: (218) [system] j=(\)
   Fail: (218) [system] j=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1655308)
   Call: (219) [system] peek_char((0x55772f068e50), _1656242)
   Exit: (219) [system] peek_char((0x55772f068e50), u)
^  Call: (219) [user] is_delimiter(u)
   Call: (220) [system] char_type(u, space)
   Fail: (220) [system] char_type(u, space)
   Call: (220) [system] arg(_1660962, v('(', ')', end_of_file), u)
   Fail: (220) [system] arg(_1661894, v('(', ')', end_of_file), u)
^  Fail: (219) [user] is_delimiter(u)
   Call: (219) [system] ')'==u
   Fail: (219) [system] ')'==u
   Call: (219) [system] get_char((0x55772f068e50), u)
   Exit: (219) [system] get_char((0x55772f068e50), u)
   Call: (219) [system] u=(\)
   Fail: (219) [system] u=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1669244)
   Call: (220) [system] peek_char((0x55772f068e50), _1670178)
   Exit: (220) [system] peek_char((0x55772f068e50), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1674898, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1675830, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x55772f068e50), n)
   Exit: (220) [system] get_char((0x55772f068e50), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1683180)
   Call: (221) [system] peek_char((0x55772f068e50), _1684114)
   Exit: (221) [system] peek_char((0x55772f068e50), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Fail: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_1688834, v('(', ')', end_of_file), c)
   Fail: (222) [system] arg(_1689766, v('(', ')', end_of_file), c)
^  Fail: (221) [user] is_delimiter(c)
   Call: (221) [system] ')'==c
   Fail: (221) [system] ')'==c
   Call: (221) [system] get_char((0x55772f068e50), c)
   Exit: (221) [system] get_char((0x55772f068e50), c)
   Call: (221) [system] c=(\)
   Fail: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1697116)
   Call: (222) [system] peek_char((0x55772f068e50), _1698050)
   Exit: (222) [system] peek_char((0x55772f068e50), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_1702770, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_1703702, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x55772f068e50), t)
   Exit: (222) [system] get_char((0x55772f068e50), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1711052)
   Call: (223) [system] peek_char((0x55772f068e50), _1711986)
   Exit: (223) [system] peek_char((0x55772f068e50), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_1716706, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_1717638, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x55772f068e50), i)
   Exit: (223) [system] get_char((0x55772f068e50), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1724988)
   Call: (224) [system] peek_char((0x55772f068e50), _1725922)
   Exit: (224) [system] peek_char((0x55772f068e50), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_1730642, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_1731574, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x55772f068e50), o)
   Exit: (224) [system] get_char((0x55772f068e50), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1738924)
   Call: (225) [system] peek_char((0x55772f068e50), _1739858)
   Exit: (225) [system] peek_char((0x55772f068e50), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1744578, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_1745510, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x55772f068e50), n)
   Exit: (225) [system] get_char((0x55772f068e50), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1752860)
   Call: (226) [system] peek_char((0x55772f068e50), _1753794)
   Exit: (226) [system] peek_char((0x55772f068e50), 'I')
^  Call: (226) [user] is_delimiter('I')
   Call: (227) [system] char_type('I', space)
   Fail: (227) [system] char_type('I', space)
   Call: (227) [system] arg(_1758514, v('(', ')', end_of_file), 'I')
   Fail: (227) [system] arg(_1759446, v('(', ')', end_of_file), 'I')
^  Fail: (226) [user] is_delimiter('I')
   Call: (226) [system] ')'=='I'
   Fail: (226) [system] ')'=='I'
   Call: (226) [system] get_char((0x55772f068e50), 'I')
   Exit: (226) [system] get_char((0x55772f068e50), 'I')
   Call: (226) [system] 'I'=(\)
   Fail: (226) [system] 'I'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1766796)
   Call: (227) [system] peek_char((0x55772f068e50), _1767730)
   Exit: (227) [system] peek_char((0x55772f068e50), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1772450, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_1773382, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x55772f068e50), n)
   Exit: (227) [system] get_char((0x55772f068e50), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1780732)
   Call: (228) [system] peek_char((0x55772f068e50), _1781666)
   Exit: (228) [system] peek_char((0x55772f068e50), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_1786386, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_1787318, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x55772f068e50), t)
   Exit: (228) [system] get_char((0x55772f068e50), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1794668)
   Call: (229) [system] peek_char((0x55772f068e50), _1795602)
   Exit: (229) [system] peek_char((0x55772f068e50), r)
^  Call: (229) [user] is_delimiter(r)
   Call: (230) [system] char_type(r, space)
   Fail: (230) [system] char_type(r, space)
   Call: (230) [system] arg(_1800322, v('(', ')', end_of_file), r)
   Fail: (230) [system] arg(_1801254, v('(', ')', end_of_file), r)
^  Fail: (229) [user] is_delimiter(r)
   Call: (229) [system] ')'==r
   Fail: (229) [system] ')'==r
   Call: (229) [system] get_char((0x55772f068e50), r)
   Exit: (229) [system] get_char((0x55772f068e50), r)
   Call: (229) [system] r=(\)
   Fail: (229) [system] r=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1808604)
   Call: (230) [system] peek_char((0x55772f068e50), _1809538)
   Exit: (230) [system] peek_char((0x55772f068e50), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_1814258, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_1815190, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x55772f068e50), o)
   Exit: (230) [system] get_char((0x55772f068e50), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1822540)
   Call: (231) [system] peek_char((0x55772f068e50), _1823474)
   Exit: (231) [system] peek_char((0x55772f068e50), d)
^  Call: (231) [user] is_delimiter(d)
   Call: (232) [system] char_type(d, space)
   Fail: (232) [system] char_type(d, space)
   Call: (232) [system] arg(_1828194, v('(', ')', end_of_file), d)
   Fail: (232) [system] arg(_1829126, v('(', ')', end_of_file), d)
^  Fail: (231) [user] is_delimiter(d)
   Call: (231) [system] ')'==d
   Fail: (231) [system] ')'==d
   Call: (231) [system] get_char((0x55772f068e50), d)
   Exit: (231) [system] get_char((0x55772f068e50), d)
   Call: (231) [system] d=(\)
   Fail: (231) [system] d=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1836476)
   Call: (232) [system] peek_char((0x55772f068e50), _1837410)
   Exit: (232) [system] peek_char((0x55772f068e50), u)
^  Call: (232) [user] is_delimiter(u)
   Call: (233) [system] char_type(u, space)
   Fail: (233) [system] char_type(u, space)
   Call: (233) [system] arg(_1842130, v('(', ')', end_of_file), u)
   Fail: (233) [system] arg(_1843062, v('(', ')', end_of_file), u)
^  Fail: (232) [user] is_delimiter(u)
   Call: (232) [system] ')'==u
   Fail: (232) [system] ')'==u
   Call: (232) [system] get_char((0x55772f068e50), u)
   Exit: (232) [system] get_char((0x55772f068e50), u)
   Call: (232) [system] u=(\)
   Fail: (232) [system] u=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1850412)
   Call: (233) [system] peek_char((0x55772f068e50), _1851346)
   Exit: (233) [system] peek_char((0x55772f068e50), c)
^  Call: (233) [user] is_delimiter(c)
   Call: (234) [system] char_type(c, space)
   Fail: (234) [system] char_type(c, space)
   Call: (234) [system] arg(_1856066, v('(', ')', end_of_file), c)
   Fail: (234) [system] arg(_1856998, v('(', ')', end_of_file), c)
^  Fail: (233) [user] is_delimiter(c)
   Call: (233) [system] ')'==c
   Fail: (233) [system] ')'==c
   Call: (233) [system] get_char((0x55772f068e50), c)
   Exit: (233) [system] get_char((0x55772f068e50), c)
   Call: (233) [system] c=(\)
   Fail: (233) [system] c=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1864348)
   Call: (234) [system] peek_char((0x55772f068e50), _1865282)
   Exit: (234) [system] peek_char((0x55772f068e50), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Fail: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_1870002, v('(', ')', end_of_file), t)
   Fail: (235) [system] arg(_1870934, v('(', ')', end_of_file), t)
^  Fail: (234) [user] is_delimiter(t)
   Call: (234) [system] ')'==t
   Fail: (234) [system] ')'==t
   Call: (234) [system] get_char((0x55772f068e50), t)
   Exit: (234) [system] get_char((0x55772f068e50), t)
   Call: (234) [system] t=(\)
   Fail: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1878284)
   Call: (235) [system] peek_char((0x55772f068e50), _1879218)
   Exit: (235) [system] peek_char((0x55772f068e50), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Fail: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_1883938, v('(', ')', end_of_file), i)
   Fail: (236) [system] arg(_1884870, v('(', ')', end_of_file), i)
^  Fail: (235) [user] is_delimiter(i)
   Call: (235) [system] ')'==i
   Fail: (235) [system] ')'==i
   Call: (235) [system] get_char((0x55772f068e50), i)
   Exit: (235) [system] get_char((0x55772f068e50), i)
   Call: (235) [system] i=(\)
   Fail: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1892220)
   Call: (236) [system] peek_char((0x55772f068e50), _1893154)
   Exit: (236) [system] peek_char((0x55772f068e50), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Fail: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_1897874, v('(', ')', end_of_file), o)
   Fail: (237) [system] arg(_1898806, v('(', ')', end_of_file), o)
^  Fail: (236) [user] is_delimiter(o)
   Call: (236) [system] ')'==o
   Fail: (236) [system] ')'==o
   Call: (236) [system] get_char((0x55772f068e50), o)
   Exit: (236) [system] get_char((0x55772f068e50), o)
   Call: (236) [system] o=(\)
   Fail: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1906156)
   Call: (237) [system] peek_char((0x55772f068e50), _1907090)
   Exit: (237) [system] peek_char((0x55772f068e50), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_1911810, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_1912742, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x55772f068e50), n)
   Exit: (237) [system] get_char((0x55772f068e50), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _1920092)
   Call: (238) [system] peek_char((0x55772f068e50), _1921026)
   Exit: (238) [system] peek_char((0x55772f068e50), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _1920092=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (237) [system] _1906156=[n]
   Exit: (237) [system] [n]=[n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (236) [system] _1892220=[o, n]
   Exit: (236) [system] [o, n]=[o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (235) [system] _1878284=[i, o, n]
   Exit: (235) [system] [i, o, n]=[i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (234) [system] _1864348=[t, i, o, n]
   Exit: (234) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (233) [system] _1850412=[c, t, i, o, n]
   Exit: (233) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (232) [system] _1836476=[u, c, t, i, o, n]
   Exit: (232) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (231) [system] _1822540=[d, u, c, t, i, o, n]
   Exit: (231) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (230) [system] _1808604=[o, d, u, c, t, i, o, n]
   Exit: (230) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (229) [system] _1794668=[r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1780732=[t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1766796=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1752860=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1738924=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1724988=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1711052=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1697116=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1683180=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1669244=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1655308=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1641372=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1627436=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1613500=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (215) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1577990)
^  Call: (216) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1991778)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1992730, _1992732), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1991778), _1992712, fail)), '$restore_trace'(_1992730, _1992732))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1992730, _1992732))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1991778), _1992712, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1991778)
   Fail: (217) [system] atomic(_1991778)
   Call: (217) [system] atom_chars(_1991778, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (217) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (216) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (216) [system] integer('DisjunctionIntroduction')
   Fail: (216) [system] integer('DisjunctionIntroduction')
   Call: (216) [system] _1577990='DisjunctionIntroduction'
   Exit: (216) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (215) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (214) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (213) [user] read_list(')', (0x55772f068e50), _2006728)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _2008586)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x55772f068e50), _2018180)
   Exit: (215) [system] get_char((0x55772f068e50), ' ')
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _2020884)
   Exit: (216) [system] peek_char((0x55772f068e50), a)
   Call: (216) [system] a=(;)
   Fail: (216) [system] a=(;)
   Call: (216) [system] a=(/)
   Fail: (216) [system] a=(/)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Fail: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Fail: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
   Fail: (217) [system] char_type(a, cntrl)
^  Fail: (216) [user] is_like_space(a)
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _2037818)
   Exit: (214) [system] peek_char((0x55772f068e50), a)
   Call: (214) [system] a=')'
   Fail: (214) [system] a=')'
   Call: (214) [system] a=end_of_file
   Fail: (214) [system] a=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _2043388)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _2045246)
   Exit: (216) [system] peek_char((0x55772f068e50), a)
   Call: (216) [system] a=(;)
   Fail: (216) [system] a=(;)
   Call: (216) [system] a=(/)
   Fail: (216) [system] a=(/)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Fail: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Fail: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
   Fail: (217) [system] char_type(a, cntrl)
^  Fail: (216) [user] is_like_space(a)
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _2061256)
   Exit: (215) [system] get_char((0x55772f068e50), a)
   Call: (215) [system] a='('
   Fail: (215) [system] a='('
   Call: (215) [system] a='['
   Fail: (215) [system] a='['
   Call: (215) [system] a='{'
   Fail: (215) [system] a='{'
   Call: (215) [system] a='"'
   Fail: (215) [system] a='"'
   Call: (215) [system] a=!
   Fail: (215) [system] a=!
   Call: (215) [system] a='\''
   Fail: (215) [system] a='\''
   Call: (215) [system] a='`'
   Fail: (215) [system] a='`'
   Call: (215) [system] a=end_of_file
   Fail: (215) [system] a=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x55772f068e50), a, _2043388)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _2078898)
   Call: (217) [system] peek_char((0x55772f068e50), _2079832)
   Exit: (217) [system] peek_char((0x55772f068e50), b)
^  Call: (217) [user] is_delimiter(b)
   Call: (218) [system] char_type(b, space)
   Fail: (218) [system] char_type(b, space)
   Call: (218) [system] arg(_2084552, v('(', ')', end_of_file), b)
   Fail: (218) [system] arg(_2085484, v('(', ')', end_of_file), b)
^  Fail: (217) [user] is_delimiter(b)
   Call: (217) [system] ')'==b
   Fail: (217) [system] ')'==b
   Call: (217) [system] get_char((0x55772f068e50), b)
   Exit: (217) [system] get_char((0x55772f068e50), b)
   Call: (217) [system] b=(\)
   Fail: (217) [system] b=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _2092834)
   Call: (218) [system] peek_char((0x55772f068e50), _2093768)
   Exit: (218) [system] peek_char((0x55772f068e50), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_6742, v('(', ')', end_of_file), c)
   Fail: (219) [system] arg(_7674, v('(', ')', end_of_file), c)
^  Fail: (218) [user] is_delimiter(c)
   Call: (218) [system] ')'==c
   Fail: (218) [system] ')'==c
   Call: (218) [system] get_char((0x55772f068e50), c)
   Exit: (218) [system] get_char((0x55772f068e50), c)
   Call: (218) [system] c=(\)
   Fail: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _15024)
   Call: (219) [system] peek_char((0x55772f068e50), _15958)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _15024=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (218) [system] _5056=[c]
   Exit: (218) [system] [c]=[c]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (217) [system] _5052=[b, c]
   Exit: (217) [system] [b, c]=[b, c]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (216) [user] classify_and_convert_charseq([a, b, c], _5048)
^  Call: (217) [user] classify_and_convert_charseq_([a, b, c], _30830)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_31782, _31784), once(user:catch(read_from_chars([a, b, c], _30830), _31764, fail)), '$restore_trace'(_31782, _31784))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_31782, _31784))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _31764, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(abc)
   Exit: (218) [system] atomic(abc)
^  Exit: (217) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (217) [system] integer(abc)
   Fail: (217) [system] integer(abc)
   Call: (217) [system] _5048=abc
   Exit: (217) [system] abc=abc
^  Exit: (216) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (215) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (214) [user] read_list(')', (0x55772f068e50), _43910)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _45768)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x55772f068e50), _55362)
   Exit: (216) [system] get_char((0x55772f068e50), ' ')
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _58066)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _75000)
   Exit: (215) [system] peek_char((0x55772f068e50), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x55772f068e50), _80570)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _82428)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] get_char((0x55772f068e50), _98438)
   Exit: (216) [system] get_char((0x55772f068e50), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x55772f068e50), _80570)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _104008)
   Exit: (218) [system] peek_char((0x55772f068e50), 'D')
   Call: (218) [system] 'D'=(;)
   Fail: (218) [system] 'D'=(;)
   Call: (218) [system] 'D'=(/)
   Fail: (218) [system] 'D'=(/)
^  Call: (218) [user] is_like_space('D')
   Call: (219) [system] char_type('D', 'white')
   Fail: (219) [system] char_type('D', 'white')
   Call: (219) [system] char_type('D', end_of_line)
   Fail: (219) [system] char_type('D', end_of_line)
   Call: (219) [system] char_type('D', space)
   Fail: (219) [system] char_type('D', space)
   Call: (219) [system] char_type('D', cntrl)
   Fail: (219) [system] char_type('D', cntrl)
^  Fail: (218) [user] is_like_space('D')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _120018)
   Exit: (217) [system] peek_char((0x55772f068e50), 'D')
   Call: (217) [system] 'D'=')'
   Fail: (217) [system] 'D'=')'
   Call: (217) [system] 'D'=end_of_file
   Fail: (217) [system] 'D'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _125588)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _127446)
   Exit: (219) [system] peek_char((0x55772f068e50), 'D')
   Call: (219) [system] 'D'=(;)
   Fail: (219) [system] 'D'=(;)
   Call: (219) [system] 'D'=(/)
   Fail: (219) [system] 'D'=(/)
^  Call: (219) [user] is_like_space('D')
   Call: (220) [system] char_type('D', 'white')
   Fail: (220) [system] char_type('D', 'white')
   Call: (220) [system] char_type('D', end_of_line)
   Fail: (220) [system] char_type('D', end_of_line)
   Call: (220) [system] char_type('D', space)
   Fail: (220) [system] char_type('D', space)
   Call: (220) [system] char_type('D', cntrl)
   Fail: (220) [system] char_type('D', cntrl)
^  Fail: (219) [user] is_like_space('D')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _143456)
   Exit: (218) [system] get_char((0x55772f068e50), 'D')
   Call: (218) [system] 'D'='('
   Fail: (218) [system] 'D'='('
   Call: (218) [system] 'D'='['
   Fail: (218) [system] 'D'='['
   Call: (218) [system] 'D'='{'
   Fail: (218) [system] 'D'='{'
   Call: (218) [system] 'D'='"'
   Fail: (218) [system] 'D'='"'
   Call: (218) [system] 'D'=!
   Fail: (218) [system] 'D'=!
   Call: (218) [system] 'D'='\''
   Fail: (218) [system] 'D'='\''
   Call: (218) [system] 'D'='`'
   Fail: (218) [system] 'D'='`'
   Call: (218) [system] 'D'=end_of_file
   Fail: (218) [system] 'D'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x55772f068e50), 'D', _125588)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _161098)
   Call: (220) [system] peek_char((0x55772f068e50), _162032)
   Exit: (220) [system] peek_char((0x55772f068e50), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_166752, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_167684, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x55772f068e50), i)
   Exit: (220) [system] get_char((0x55772f068e50), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _175034)
   Call: (221) [system] peek_char((0x55772f068e50), _175968)
   Exit: (221) [system] peek_char((0x55772f068e50), s)
^  Call: (221) [user] is_delimiter(s)
   Call: (222) [system] char_type(s, space)
   Fail: (222) [system] char_type(s, space)
   Call: (222) [system] arg(_180688, v('(', ')', end_of_file), s)
   Fail: (222) [system] arg(_181620, v('(', ')', end_of_file), s)
^  Fail: (221) [user] is_delimiter(s)
   Call: (221) [system] ')'==s
   Fail: (221) [system] ')'==s
   Call: (221) [system] get_char((0x55772f068e50), s)
   Exit: (221) [system] get_char((0x55772f068e50), s)
   Call: (221) [system] s=(\)
   Fail: (221) [system] s=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _188970)
   Call: (222) [system] peek_char((0x55772f068e50), _189904)
   Exit: (222) [system] peek_char((0x55772f068e50), j)
^  Call: (222) [user] is_delimiter(j)
   Call: (223) [system] char_type(j, space)
   Fail: (223) [system] char_type(j, space)
   Call: (223) [system] arg(_194624, v('(', ')', end_of_file), j)
   Fail: (223) [system] arg(_195556, v('(', ')', end_of_file), j)
^  Fail: (222) [user] is_delimiter(j)
   Call: (222) [system] ')'==j
   Fail: (222) [system] ')'==j
   Call: (222) [system] get_char((0x55772f068e50), j)
   Exit: (222) [system] get_char((0x55772f068e50), j)
   Call: (222) [system] j=(\)
   Fail: (222) [system] j=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _202906)
   Call: (223) [system] peek_char((0x55772f068e50), _203840)
   Exit: (223) [system] peek_char((0x55772f068e50), u)
^  Call: (223) [user] is_delimiter(u)
   Call: (224) [system] char_type(u, space)
   Fail: (224) [system] char_type(u, space)
   Call: (224) [system] arg(_208560, v('(', ')', end_of_file), u)
   Fail: (224) [system] arg(_209492, v('(', ')', end_of_file), u)
^  Fail: (223) [user] is_delimiter(u)
   Call: (223) [system] ')'==u
   Fail: (223) [system] ')'==u
   Call: (223) [system] get_char((0x55772f068e50), u)
   Exit: (223) [system] get_char((0x55772f068e50), u)
   Call: (223) [system] u=(\)
   Fail: (223) [system] u=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _216842)
   Call: (224) [system] peek_char((0x55772f068e50), _217776)
   Exit: (224) [system] peek_char((0x55772f068e50), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_222496, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_223428, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x55772f068e50), n)
   Exit: (224) [system] get_char((0x55772f068e50), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _230778)
   Call: (225) [system] peek_char((0x55772f068e50), _231712)
   Exit: (225) [system] peek_char((0x55772f068e50), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Fail: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_236432, v('(', ')', end_of_file), c)
   Fail: (226) [system] arg(_237364, v('(', ')', end_of_file), c)
^  Fail: (225) [user] is_delimiter(c)
   Call: (225) [system] ')'==c
   Fail: (225) [system] ')'==c
   Call: (225) [system] get_char((0x55772f068e50), c)
   Exit: (225) [system] get_char((0x55772f068e50), c)
   Call: (225) [system] c=(\)
   Fail: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _244714)
   Call: (226) [system] peek_char((0x55772f068e50), _245648)
   Exit: (226) [system] peek_char((0x55772f068e50), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_250368, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_251300, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x55772f068e50), t)
   Exit: (226) [system] get_char((0x55772f068e50), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _258650)
   Call: (227) [system] peek_char((0x55772f068e50), _259584)
   Exit: (227) [system] peek_char((0x55772f068e50), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_264304, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_265236, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x55772f068e50), i)
   Exit: (227) [system] get_char((0x55772f068e50), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _272586)
   Call: (228) [system] peek_char((0x55772f068e50), _273520)
   Exit: (228) [system] peek_char((0x55772f068e50), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_278240, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_279172, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x55772f068e50), o)
   Exit: (228) [system] get_char((0x55772f068e50), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _286522)
   Call: (229) [system] peek_char((0x55772f068e50), _287456)
   Exit: (229) [system] peek_char((0x55772f068e50), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_292176, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_293108, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x55772f068e50), n)
   Exit: (229) [system] get_char((0x55772f068e50), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _300458)
   Call: (230) [system] peek_char((0x55772f068e50), _301392)
   Exit: (230) [system] peek_char((0x55772f068e50), 'I')
^  Call: (230) [user] is_delimiter('I')
   Call: (231) [system] char_type('I', space)
   Fail: (231) [system] char_type('I', space)
   Call: (231) [system] arg(_306112, v('(', ')', end_of_file), 'I')
   Fail: (231) [system] arg(_307044, v('(', ')', end_of_file), 'I')
^  Fail: (230) [user] is_delimiter('I')
   Call: (230) [system] ')'=='I'
   Fail: (230) [system] ')'=='I'
   Call: (230) [system] get_char((0x55772f068e50), 'I')
   Exit: (230) [system] get_char((0x55772f068e50), 'I')
   Call: (230) [system] 'I'=(\)
   Fail: (230) [system] 'I'=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _314394)
   Call: (231) [system] peek_char((0x55772f068e50), _315328)
   Exit: (231) [system] peek_char((0x55772f068e50), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_320048, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_320980, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x55772f068e50), n)
   Exit: (231) [system] get_char((0x55772f068e50), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _328330)
   Call: (232) [system] peek_char((0x55772f068e50), _329264)
   Exit: (232) [system] peek_char((0x55772f068e50), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_333984, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_334916, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x55772f068e50), t)
   Exit: (232) [system] get_char((0x55772f068e50), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _342266)
   Call: (233) [system] peek_char((0x55772f068e50), _343200)
   Exit: (233) [system] peek_char((0x55772f068e50), r)
^  Call: (233) [user] is_delimiter(r)
   Call: (234) [system] char_type(r, space)
   Fail: (234) [system] char_type(r, space)
   Call: (234) [system] arg(_347920, v('(', ')', end_of_file), r)
   Fail: (234) [system] arg(_348852, v('(', ')', end_of_file), r)
^  Fail: (233) [user] is_delimiter(r)
   Call: (233) [system] ')'==r
   Fail: (233) [system] ')'==r
   Call: (233) [system] get_char((0x55772f068e50), r)
   Exit: (233) [system] get_char((0x55772f068e50), r)
   Call: (233) [system] r=(\)
   Fail: (233) [system] r=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _356202)
   Call: (234) [system] peek_char((0x55772f068e50), _357136)
   Exit: (234) [system] peek_char((0x55772f068e50), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_361856, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_362788, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x55772f068e50), o)
   Exit: (234) [system] get_char((0x55772f068e50), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _370138)
   Call: (235) [system] peek_char((0x55772f068e50), _371072)
   Exit: (235) [system] peek_char((0x55772f068e50), d)
^  Call: (235) [user] is_delimiter(d)
   Call: (236) [system] char_type(d, space)
   Fail: (236) [system] char_type(d, space)
   Call: (236) [system] arg(_375792, v('(', ')', end_of_file), d)
   Fail: (236) [system] arg(_376724, v('(', ')', end_of_file), d)
^  Fail: (235) [user] is_delimiter(d)
   Call: (235) [system] ')'==d
   Fail: (235) [system] ')'==d
   Call: (235) [system] get_char((0x55772f068e50), d)
   Exit: (235) [system] get_char((0x55772f068e50), d)
   Call: (235) [system] d=(\)
   Fail: (235) [system] d=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _384074)
   Call: (236) [system] peek_char((0x55772f068e50), _385008)
   Exit: (236) [system] peek_char((0x55772f068e50), u)
^  Call: (236) [user] is_delimiter(u)
   Call: (237) [system] char_type(u, space)
   Fail: (237) [system] char_type(u, space)
   Call: (237) [system] arg(_389728, v('(', ')', end_of_file), u)
   Fail: (237) [system] arg(_390660, v('(', ')', end_of_file), u)
^  Fail: (236) [user] is_delimiter(u)
   Call: (236) [system] ')'==u
   Fail: (236) [system] ')'==u
   Call: (236) [system] get_char((0x55772f068e50), u)
   Exit: (236) [system] get_char((0x55772f068e50), u)
   Call: (236) [system] u=(\)
   Fail: (236) [system] u=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _398010)
   Call: (237) [system] peek_char((0x55772f068e50), _398944)
   Exit: (237) [system] peek_char((0x55772f068e50), c)
^  Call: (237) [user] is_delimiter(c)
   Call: (238) [system] char_type(c, space)
   Fail: (238) [system] char_type(c, space)
   Call: (238) [system] arg(_403664, v('(', ')', end_of_file), c)
   Fail: (238) [system] arg(_404596, v('(', ')', end_of_file), c)
^  Fail: (237) [user] is_delimiter(c)
   Call: (237) [system] ')'==c
   Fail: (237) [system] ')'==c
   Call: (237) [system] get_char((0x55772f068e50), c)
   Exit: (237) [system] get_char((0x55772f068e50), c)
   Call: (237) [system] c=(\)
   Fail: (237) [system] c=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _411946)
   Call: (238) [system] peek_char((0x55772f068e50), _412880)
   Exit: (238) [system] peek_char((0x55772f068e50), t)
^  Call: (238) [user] is_delimiter(t)
   Call: (239) [system] char_type(t, space)
   Fail: (239) [system] char_type(t, space)
   Call: (239) [system] arg(_417600, v('(', ')', end_of_file), t)
   Fail: (239) [system] arg(_418532, v('(', ')', end_of_file), t)
^  Fail: (238) [user] is_delimiter(t)
   Call: (238) [system] ')'==t
   Fail: (238) [system] ')'==t
   Call: (238) [system] get_char((0x55772f068e50), t)
   Exit: (238) [system] get_char((0x55772f068e50), t)
   Call: (238) [system] t=(\)
   Fail: (238) [system] t=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _425882)
   Call: (239) [system] peek_char((0x55772f068e50), _426816)
   Exit: (239) [system] peek_char((0x55772f068e50), i)
^  Call: (239) [user] is_delimiter(i)
   Call: (240) [system] char_type(i, space)
   Fail: (240) [system] char_type(i, space)
   Call: (240) [system] arg(_431536, v('(', ')', end_of_file), i)
   Fail: (240) [system] arg(_432468, v('(', ')', end_of_file), i)
^  Fail: (239) [user] is_delimiter(i)
   Call: (239) [system] ')'==i
   Fail: (239) [system] ')'==i
   Call: (239) [system] get_char((0x55772f068e50), i)
   Exit: (239) [system] get_char((0x55772f068e50), i)
   Call: (239) [system] i=(\)
   Fail: (239) [system] i=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _439818)
   Call: (240) [system] peek_char((0x55772f068e50), _440752)
   Exit: (240) [system] peek_char((0x55772f068e50), o)
^  Call: (240) [user] is_delimiter(o)
   Call: (241) [system] char_type(o, space)
   Fail: (241) [system] char_type(o, space)
   Call: (241) [system] arg(_445472, v('(', ')', end_of_file), o)
   Fail: (241) [system] arg(_446404, v('(', ')', end_of_file), o)
^  Fail: (240) [user] is_delimiter(o)
   Call: (240) [system] ')'==o
   Fail: (240) [system] ')'==o
   Call: (240) [system] get_char((0x55772f068e50), o)
   Exit: (240) [system] get_char((0x55772f068e50), o)
   Call: (240) [system] o=(\)
   Fail: (240) [system] o=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _453754)
   Call: (241) [system] peek_char((0x55772f068e50), _454688)
   Exit: (241) [system] peek_char((0x55772f068e50), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Fail: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_459408, v('(', ')', end_of_file), n)
   Fail: (242) [system] arg(_460340, v('(', ')', end_of_file), n)
^  Fail: (241) [user] is_delimiter(n)
   Call: (241) [system] ')'==n
   Fail: (241) [system] ')'==n
   Call: (241) [system] get_char((0x55772f068e50), n)
   Exit: (241) [system] get_char((0x55772f068e50), n)
   Call: (241) [system] n=(\)
   Fail: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x55772f068e50), _467690)
   Call: (242) [system] peek_char((0x55772f068e50), _468624)
   Exit: (242) [system] peek_char((0x55772f068e50), ' ')
^  Call: (242) [user] is_delimiter(' ')
   Call: (243) [system] char_type(' ', space)
   Exit: (243) [system] char_type(' ', space)
^  Exit: (242) [user] is_delimiter(' ')
   Call: (242) [system] _467690=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (241) [system] _453754=[n]
   Exit: (241) [system] [n]=[n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (240) [system] _439818=[o, n]
   Exit: (240) [system] [o, n]=[o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (239) [system] _425882=[i, o, n]
   Exit: (239) [system] [i, o, n]=[i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (238) [system] _411946=[t, i, o, n]
   Exit: (238) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (237) [system] _398010=[c, t, i, o, n]
   Exit: (237) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (236) [system] _384074=[u, c, t, i, o, n]
   Exit: (236) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (235) [system] _370138=[d, u, c, t, i, o, n]
   Exit: (235) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (234) [system] _356202=[o, d, u, c, t, i, o, n]
   Exit: (234) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (233) [system] _342266=[r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _328330=[t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _314394=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _300458=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _286522=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _272586=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _258650=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _244714=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _230778=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _216842=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _202906=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _188970=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _175034=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _161098=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (219) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _125588)
^  Call: (220) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _539376)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_540328, _540330), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _539376), _540310, fail)), '$restore_trace'(_540328, _540330))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_540328, _540330))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _539376), _540310, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_539376)
   Fail: (221) [system] atomic(_539376)
   Call: (221) [system] atom_chars(_539376, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (221) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (220) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (220) [system] integer('DisjunctionIntroduction')
   Fail: (220) [system] integer('DisjunctionIntroduction')
   Call: (220) [system] _125588='DisjunctionIntroduction'
   Exit: (220) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (219) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (218) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (217) [user] read_list(')', (0x55772f068e50), _554326)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _556184)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x55772f068e50), _565778)
   Exit: (219) [system] get_char((0x55772f068e50), ' ')
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _568482)
   Exit: (220) [system] peek_char((0x55772f068e50), a)
   Call: (220) [system] a=(;)
   Fail: (220) [system] a=(;)
   Call: (220) [system] a=(/)
   Fail: (220) [system] a=(/)
^  Call: (220) [user] is_like_space(a)
   Call: (221) [system] char_type(a, 'white')
   Fail: (221) [system] char_type(a, 'white')
   Call: (221) [system] char_type(a, end_of_line)
   Fail: (221) [system] char_type(a, end_of_line)
   Call: (221) [system] char_type(a, space)
   Fail: (221) [system] char_type(a, space)
   Call: (221) [system] char_type(a, cntrl)
   Fail: (221) [system] char_type(a, cntrl)
^  Fail: (220) [user] is_like_space(a)
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _585416)
   Exit: (218) [system] peek_char((0x55772f068e50), a)
   Call: (218) [system] a=')'
   Fail: (218) [system] a=')'
   Call: (218) [system] a=end_of_file
   Fail: (218) [system] a=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _590986)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _592844)
   Exit: (220) [system] peek_char((0x55772f068e50), a)
   Call: (220) [system] a=(;)
   Fail: (220) [system] a=(;)
   Call: (220) [system] a=(/)
   Fail: (220) [system] a=(/)
^  Call: (220) [user] is_like_space(a)
   Call: (221) [system] char_type(a, 'white')
   Fail: (221) [system] char_type(a, 'white')
   Call: (221) [system] char_type(a, end_of_line)
   Fail: (221) [system] char_type(a, end_of_line)
   Call: (221) [system] char_type(a, space)
   Fail: (221) [system] char_type(a, space)
   Call: (221) [system] char_type(a, cntrl)
   Fail: (221) [system] char_type(a, cntrl)
^  Fail: (220) [user] is_like_space(a)
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _608854)
   Exit: (219) [system] get_char((0x55772f068e50), a)
   Call: (219) [system] a='('
   Fail: (219) [system] a='('
   Call: (219) [system] a='['
   Fail: (219) [system] a='['
   Call: (219) [system] a='{'
   Fail: (219) [system] a='{'
   Call: (219) [system] a='"'
   Fail: (219) [system] a='"'
   Call: (219) [system] a=!
   Fail: (219) [system] a=!
   Call: (219) [system] a='\''
   Fail: (219) [system] a='\''
   Call: (219) [system] a='`'
   Fail: (219) [system] a='`'
   Call: (219) [system] a=end_of_file
   Fail: (219) [system] a=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x55772f068e50), a, _590986)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _626496)
   Call: (221) [system] peek_char((0x55772f068e50), _627430)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _626496=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (220) [user] classify_and_convert_charseq([a], _590986)
^  Call: (221) [user] classify_and_convert_charseq_([a], _636714)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_637666, _637668), once(user:catch(read_from_chars([a], _636714), _637648, fail)), '$restore_trace'(_637666, _637668))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_637666, _637668))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _637648, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(a)
   Exit: (222) [system] atomic(a)
^  Exit: (221) [user] classify_and_convert_charseq_([a], a)
   Call: (221) [system] integer(a)
   Fail: (221) [system] integer(a)
   Call: (221) [system] _590986=a
   Exit: (221) [system] a=a
^  Exit: (220) [user] classify_and_convert_charseq([a], a)
^  Exit: (219) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (218) [user] read_list(')', (0x55772f068e50), _649794)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _651652)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x55772f068e50), _661246)
   Exit: (220) [system] get_char((0x55772f068e50), ' ')
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _663950)
   Exit: (221) [system] peek_char((0x55772f068e50), a)
   Call: (221) [system] a=(;)
   Fail: (221) [system] a=(;)
   Call: (221) [system] a=(/)
   Fail: (221) [system] a=(/)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Fail: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Fail: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
   Fail: (222) [system] char_type(a, cntrl)
^  Fail: (221) [user] is_like_space(a)
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _680884)
   Exit: (219) [system] peek_char((0x55772f068e50), a)
   Call: (219) [system] a=')'
   Fail: (219) [system] a=')'
   Call: (219) [system] a=end_of_file
   Fail: (219) [system] a=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _686454)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _688312)
   Exit: (221) [system] peek_char((0x55772f068e50), a)
   Call: (221) [system] a=(;)
   Fail: (221) [system] a=(;)
   Call: (221) [system] a=(/)
   Fail: (221) [system] a=(/)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Fail: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Fail: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
   Fail: (222) [system] char_type(a, cntrl)
^  Fail: (221) [user] is_like_space(a)
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _704322)
   Exit: (220) [system] get_char((0x55772f068e50), a)
   Call: (220) [system] a='('
   Fail: (220) [system] a='('
   Call: (220) [system] a='['
   Fail: (220) [system] a='['
   Call: (220) [system] a='{'
   Fail: (220) [system] a='{'
   Call: (220) [system] a='"'
   Fail: (220) [system] a='"'
   Call: (220) [system] a=!
   Fail: (220) [system] a=!
   Call: (220) [system] a='\''
   Fail: (220) [system] a='\''
   Call: (220) [system] a='`'
   Fail: (220) [system] a='`'
   Call: (220) [system] a=end_of_file
   Fail: (220) [system] a=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x55772f068e50), a, _686454)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _721964)
   Call: (222) [system] peek_char((0x55772f068e50), _722898)
   Exit: (222) [system] peek_char((0x55772f068e50), ')')
^  Call: (222) [user] is_delimiter(')')
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] arg(_727618, v('(', ')', end_of_file), ')')
   Exit: (223) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (222) [user] is_delimiter(')')
   Call: (222) [system] _721964=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (221) [user] classify_and_convert_charseq([a], _686454)
^  Call: (222) [user] classify_and_convert_charseq_([a], _734054)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_735006, _735008), once(user:catch(read_from_chars([a], _734054), _734988, fail)), '$restore_trace'(_735006, _735008))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_735006, _735008))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _734988, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(a)
   Exit: (223) [system] atomic(a)
^  Exit: (222) [user] classify_and_convert_charseq_([a], a)
   Call: (222) [system] integer(a)
   Fail: (222) [system] integer(a)
   Call: (222) [system] _686454=a
   Exit: (222) [system] a=a
^  Exit: (221) [user] classify_and_convert_charseq([a], a)
^  Exit: (220) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (219) [user] read_list(')', (0x55772f068e50), _747134)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _748992)
   Exit: (221) [system] peek_char((0x55772f068e50), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
   Call: (221) [system] ')'=(/)
   Fail: (221) [system] ')'=(/)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _765002)
   Exit: (220) [system] peek_char((0x55772f068e50), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x55772f068e50), _768792)
   Exit: (220) [system] get_char((0x55772f068e50), ')')
   Call: (220) [system] _747134=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x55772f068e50), [])
   Call: (219) [system] _649794=[a]
   Exit: (219) [system] [a]=[a]
^  Exit: (218) [user] read_list(')', (0x55772f068e50), [a])
   Call: (218) [system] _554326=[a, a]
   Exit: (218) [system] [a, a]=[a, a]
^  Exit: (217) [user] read_list(')', (0x55772f068e50), [a, a])
   Call: (217) [system] _80570=['DisjunctionIntroduction', a, a]
   Exit: (217) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (216) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', a, a])
^  Exit: (215) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', a, a])
^  Call: (215) [user] read_list(')', (0x55772f068e50), _782674)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _784532)
   Exit: (217) [system] peek_char((0x55772f068e50), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
   Call: (217) [system] ')'=(/)
   Fail: (217) [system] ')'=(/)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _800542)
   Exit: (216) [system] peek_char((0x55772f068e50), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x55772f068e50), _804332)
   Exit: (216) [system] get_char((0x55772f068e50), ')')
   Call: (216) [system] _782674=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x55772f068e50), [])
   Call: (215) [system] _43910=[['DisjunctionIntroduction', a, a]]
   Exit: (215) [system] [['DisjunctionIntroduction', a, a]]=[['DisjunctionIntroduction', a, a]]
^  Exit: (214) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', a, a]])
   Call: (214) [system] _5044=[abc, ['DisjunctionIntroduction', a, a]]
   Exit: (214) [system] [abc, ['DisjunctionIntroduction', a, a]]=[abc, ['DisjunctionIntroduction', a, a]]
^  Exit: (213) [user] read_list(')', (0x55772f068e50), [abc, ['DisjunctionIntroduction', a, a]])
   Call: (213) [system] _5036=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]
   Exit: (213) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]
^  Exit: (212) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]])
^  Exit: (211) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]])
^  Call: (211) [user] read_list(')', (0x55772f068e50), _818214)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _820072)
   Exit: (213) [system] peek_char((0x55772f068e50), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x55772f068e50), _829666)
   Exit: (213) [system] get_char((0x55772f068e50), ' ')
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _832370)
   Exit: (214) [system] peek_char((0x55772f068e50), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _849304)
   Exit: (212) [system] peek_char((0x55772f068e50), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x55772f068e50), _854874)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _856732)
   Exit: (214) [system] peek_char((0x55772f068e50), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] get_char((0x55772f068e50), _872742)
   Exit: (213) [system] get_char((0x55772f068e50), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x55772f068e50), _854874)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _878312)
   Exit: (215) [system] peek_char((0x55772f068e50), 'O')
   Call: (215) [system] 'O'=(;)
   Fail: (215) [system] 'O'=(;)
   Call: (215) [system] 'O'=(/)
   Fail: (215) [system] 'O'=(/)
^  Call: (215) [user] is_like_space('O')
   Call: (216) [system] char_type('O', 'white')
   Fail: (216) [system] char_type('O', 'white')
   Call: (216) [system] char_type('O', end_of_line)
   Fail: (216) [system] char_type('O', end_of_line)
   Call: (216) [system] char_type('O', space)
   Fail: (216) [system] char_type('O', space)
   Call: (216) [system] char_type('O', cntrl)
   Fail: (216) [system] char_type('O', cntrl)
^  Fail: (215) [user] is_like_space('O')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _894322)
   Exit: (214) [system] peek_char((0x55772f068e50), 'O')
   Call: (214) [system] 'O'=')'
   Fail: (214) [system] 'O'=')'
   Call: (214) [system] 'O'=end_of_file
   Fail: (214) [system] 'O'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _899892)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _901750)
   Exit: (216) [system] peek_char((0x55772f068e50), 'O')
   Call: (216) [system] 'O'=(;)
   Fail: (216) [system] 'O'=(;)
   Call: (216) [system] 'O'=(/)
   Fail: (216) [system] 'O'=(/)
^  Call: (216) [user] is_like_space('O')
   Call: (217) [system] char_type('O', 'white')
   Fail: (217) [system] char_type('O', 'white')
   Call: (217) [system] char_type('O', end_of_line)
   Fail: (217) [system] char_type('O', end_of_line)
   Call: (217) [system] char_type('O', space)
   Fail: (217) [system] char_type('O', space)
   Call: (217) [system] char_type('O', cntrl)
   Fail: (217) [system] char_type('O', cntrl)
^  Fail: (216) [user] is_like_space('O')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _917760)
   Exit: (215) [system] get_char((0x55772f068e50), 'O')
   Call: (215) [system] 'O'='('
   Fail: (215) [system] 'O'='('
   Call: (215) [system] 'O'='['
   Fail: (215) [system] 'O'='['
   Call: (215) [system] 'O'='{'
   Fail: (215) [system] 'O'='{'
   Call: (215) [system] 'O'='"'
   Fail: (215) [system] 'O'='"'
   Call: (215) [system] 'O'=!
   Fail: (215) [system] 'O'=!
   Call: (215) [system] 'O'='\''
   Fail: (215) [system] 'O'='\''
   Call: (215) [system] 'O'='`'
   Fail: (215) [system] 'O'='`'
   Call: (215) [system] 'O'=end_of_file
   Fail: (215) [system] 'O'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x55772f068e50), 'O', _899892)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _935402)
   Call: (217) [system] peek_char((0x55772f068e50), _936336)
   Exit: (217) [system] peek_char((0x55772f068e50), r)
^  Call: (217) [user] is_delimiter(r)
   Call: (218) [system] char_type(r, space)
   Fail: (218) [system] char_type(r, space)
   Call: (218) [system] arg(_941056, v('(', ')', end_of_file), r)
   Fail: (218) [system] arg(_941988, v('(', ')', end_of_file), r)
^  Fail: (217) [user] is_delimiter(r)
   Call: (217) [system] ')'==r
   Fail: (217) [system] ')'==r
   Call: (217) [system] get_char((0x55772f068e50), r)
   Exit: (217) [system] get_char((0x55772f068e50), r)
   Call: (217) [system] r=(\)
   Fail: (217) [system] r=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _949338)
   Call: (218) [system] peek_char((0x55772f068e50), _950272)
   Exit: (218) [system] peek_char((0x55772f068e50), 'L')
^  Call: (218) [user] is_delimiter('L')
   Call: (219) [system] char_type('L', space)
   Fail: (219) [system] char_type('L', space)
   Call: (219) [system] arg(_954992, v('(', ')', end_of_file), 'L')
   Fail: (219) [system] arg(_955924, v('(', ')', end_of_file), 'L')
^  Fail: (218) [user] is_delimiter('L')
   Call: (218) [system] ')'=='L'
   Fail: (218) [system] ')'=='L'
   Call: (218) [system] get_char((0x55772f068e50), 'L')
   Exit: (218) [system] get_char((0x55772f068e50), 'L')
   Call: (218) [system] 'L'=(\)
   Fail: (218) [system] 'L'=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _963274)
   Call: (219) [system] peek_char((0x55772f068e50), _964208)
   Exit: (219) [system] peek_char((0x55772f068e50), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_968928, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_969860, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x55772f068e50), i)
   Exit: (219) [system] get_char((0x55772f068e50), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _977210)
   Call: (220) [system] peek_char((0x55772f068e50), _978144)
   Exit: (220) [system] peek_char((0x55772f068e50), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_982864, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_983796, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x55772f068e50), n)
   Exit: (220) [system] get_char((0x55772f068e50), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _991146)
   Call: (221) [system] peek_char((0x55772f068e50), _992080)
   Exit: (221) [system] peek_char((0x55772f068e50), k)
^  Call: (221) [user] is_delimiter(k)
   Call: (222) [system] char_type(k, space)
   Fail: (222) [system] char_type(k, space)
   Call: (222) [system] arg(_996800, v('(', ')', end_of_file), k)
   Fail: (222) [system] arg(_997732, v('(', ')', end_of_file), k)
^  Fail: (221) [user] is_delimiter(k)
   Call: (221) [system] ')'==k
   Fail: (221) [system] ')'==k
   Call: (221) [system] get_char((0x55772f068e50), k)
   Exit: (221) [system] get_char((0x55772f068e50), k)
   Call: (221) [system] k=(\)
   Fail: (221) [system] k=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1005082)
   Call: (222) [system] peek_char((0x55772f068e50), _1006016)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _1005082=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (221) [system] _991146=[k]
   Exit: (221) [system] [k]=[k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (220) [system] _977210=[n, k]
   Exit: (220) [system] [n, k]=[n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (219) [system] _963274=[i, n, k]
   Exit: (219) [system] [i, n, k]=[i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (218) [system] _949338=['L', i, n, k]
   Exit: (218) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (217) [system] _935402=[r, 'L', i, n, k]
   Exit: (217) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (216) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _899892)
^  Call: (217) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1029270)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1030222, _1030224), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1029270), _1030204, fail)), '$restore_trace'(_1030222, _1030224))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1030222, _1030224))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1029270), _1030204, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1029270)
   Fail: (218) [system] atomic(_1029270)
   Call: (218) [system] atom_chars(_1029270, ['O', r, 'L', i, n, k])
   Exit: (218) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (217) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (217) [system] integer('OrLink')
   Fail: (217) [system] integer('OrLink')
   Call: (217) [system] _899892='OrLink'
   Exit: (217) [system] 'OrLink'='OrLink'
^  Exit: (216) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (215) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (214) [user] read_list(')', (0x55772f068e50), _1044220)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1046078)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x55772f068e50), _1055672)
   Exit: (216) [system] get_char((0x55772f068e50), ' ')
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1058376)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1075310)
   Exit: (215) [system] peek_char((0x55772f068e50), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x55772f068e50), _1080880)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1082738)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] get_char((0x55772f068e50), _1098748)
   Exit: (216) [system] get_char((0x55772f068e50), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x55772f068e50), _1080880)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1104318)
   Exit: (218) [system] peek_char((0x55772f068e50), 'I')
   Call: (218) [system] 'I'=(;)
   Fail: (218) [system] 'I'=(;)
   Call: (218) [system] 'I'=(/)
   Fail: (218) [system] 'I'=(/)
^  Call: (218) [user] is_like_space('I')
   Call: (219) [system] char_type('I', 'white')
   Fail: (219) [system] char_type('I', 'white')
   Call: (219) [system] char_type('I', end_of_line)
   Fail: (219) [system] char_type('I', end_of_line)
   Call: (219) [system] char_type('I', space)
   Fail: (219) [system] char_type('I', space)
   Call: (219) [system] char_type('I', cntrl)
   Fail: (219) [system] char_type('I', cntrl)
^  Fail: (218) [user] is_like_space('I')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1120328)
   Exit: (217) [system] peek_char((0x55772f068e50), 'I')
   Call: (217) [system] 'I'=')'
   Fail: (217) [system] 'I'=')'
   Call: (217) [system] 'I'=end_of_file
   Fail: (217) [system] 'I'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _1125898)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1127756)
   Exit: (219) [system] peek_char((0x55772f068e50), 'I')
   Call: (219) [system] 'I'=(;)
   Fail: (219) [system] 'I'=(;)
   Call: (219) [system] 'I'=(/)
   Fail: (219) [system] 'I'=(/)
^  Call: (219) [user] is_like_space('I')
   Call: (220) [system] char_type('I', 'white')
   Fail: (220) [system] char_type('I', 'white')
   Call: (220) [system] char_type('I', end_of_line)
   Fail: (220) [system] char_type('I', end_of_line)
   Call: (220) [system] char_type('I', space)
   Fail: (220) [system] char_type('I', space)
   Call: (220) [system] char_type('I', cntrl)
   Fail: (220) [system] char_type('I', cntrl)
^  Fail: (219) [user] is_like_space('I')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _1143766)
   Exit: (218) [system] get_char((0x55772f068e50), 'I')
   Call: (218) [system] 'I'='('
   Fail: (218) [system] 'I'='('
   Call: (218) [system] 'I'='['
   Fail: (218) [system] 'I'='['
   Call: (218) [system] 'I'='{'
   Fail: (218) [system] 'I'='{'
   Call: (218) [system] 'I'='"'
   Fail: (218) [system] 'I'='"'
   Call: (218) [system] 'I'=!
   Fail: (218) [system] 'I'=!
   Call: (218) [system] 'I'='\''
   Fail: (218) [system] 'I'='\''
   Call: (218) [system] 'I'='`'
   Fail: (218) [system] 'I'='`'
   Call: (218) [system] 'I'=end_of_file
   Fail: (218) [system] 'I'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x55772f068e50), 'I', _1125898)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1161408)
   Call: (220) [system] peek_char((0x55772f068e50), _1162342)
   Exit: (220) [system] peek_char((0x55772f068e50), m)
^  Call: (220) [user] is_delimiter(m)
   Call: (221) [system] char_type(m, space)
   Fail: (221) [system] char_type(m, space)
   Call: (221) [system] arg(_1167062, v('(', ')', end_of_file), m)
   Fail: (221) [system] arg(_1167994, v('(', ')', end_of_file), m)
^  Fail: (220) [user] is_delimiter(m)
   Call: (220) [system] ')'==m
   Fail: (220) [system] ')'==m
   Call: (220) [system] get_char((0x55772f068e50), m)
   Exit: (220) [system] get_char((0x55772f068e50), m)
   Call: (220) [system] m=(\)
   Fail: (220) [system] m=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1175344)
   Call: (221) [system] peek_char((0x55772f068e50), _1176278)
   Exit: (221) [system] peek_char((0x55772f068e50), p)
^  Call: (221) [user] is_delimiter(p)
   Call: (222) [system] char_type(p, space)
   Fail: (222) [system] char_type(p, space)
   Call: (222) [system] arg(_1180998, v('(', ')', end_of_file), p)
   Fail: (222) [system] arg(_1181930, v('(', ')', end_of_file), p)
^  Fail: (221) [user] is_delimiter(p)
   Call: (221) [system] ')'==p
   Fail: (221) [system] ')'==p
   Call: (221) [system] get_char((0x55772f068e50), p)
   Exit: (221) [system] get_char((0x55772f068e50), p)
   Call: (221) [system] p=(\)
   Fail: (221) [system] p=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1189280)
   Call: (222) [system] peek_char((0x55772f068e50), _1190214)
   Exit: (222) [system] peek_char((0x55772f068e50), l)
^  Call: (222) [user] is_delimiter(l)
   Call: (223) [system] char_type(l, space)
   Fail: (223) [system] char_type(l, space)
   Call: (223) [system] arg(_1194934, v('(', ')', end_of_file), l)
   Fail: (223) [system] arg(_1195866, v('(', ')', end_of_file), l)
^  Fail: (222) [user] is_delimiter(l)
   Call: (222) [system] ')'==l
   Fail: (222) [system] ')'==l
   Call: (222) [system] get_char((0x55772f068e50), l)
   Exit: (222) [system] get_char((0x55772f068e50), l)
   Call: (222) [system] l=(\)
   Fail: (222) [system] l=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1203216)
   Call: (223) [system] peek_char((0x55772f068e50), _1204150)
   Exit: (223) [system] peek_char((0x55772f068e50), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_1208870, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_1209802, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x55772f068e50), i)
   Exit: (223) [system] get_char((0x55772f068e50), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1217152)
   Call: (224) [system] peek_char((0x55772f068e50), _1218086)
   Exit: (224) [system] peek_char((0x55772f068e50), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_1222806, v('(', ')', end_of_file), c)
   Fail: (225) [system] arg(_1223738, v('(', ')', end_of_file), c)
^  Fail: (224) [user] is_delimiter(c)
   Call: (224) [system] ')'==c
   Fail: (224) [system] ')'==c
   Call: (224) [system] get_char((0x55772f068e50), c)
   Exit: (224) [system] get_char((0x55772f068e50), c)
   Call: (224) [system] c=(\)
   Fail: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1231088)
   Call: (225) [system] peek_char((0x55772f068e50), _1232022)
   Exit: (225) [system] peek_char((0x55772f068e50), a)
^  Call: (225) [user] is_delimiter(a)
   Call: (226) [system] char_type(a, space)
   Fail: (226) [system] char_type(a, space)
   Call: (226) [system] arg(_1236742, v('(', ')', end_of_file), a)
   Fail: (226) [system] arg(_1237674, v('(', ')', end_of_file), a)
^  Fail: (225) [user] is_delimiter(a)
   Call: (225) [system] ')'==a
   Fail: (225) [system] ')'==a
   Call: (225) [system] get_char((0x55772f068e50), a)
   Exit: (225) [system] get_char((0x55772f068e50), a)
   Call: (225) [system] a=(\)
   Fail: (225) [system] a=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1245024)
   Call: (226) [system] peek_char((0x55772f068e50), _1245958)
   Exit: (226) [system] peek_char((0x55772f068e50), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_1250678, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_1251610, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x55772f068e50), t)
   Exit: (226) [system] get_char((0x55772f068e50), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1258960)
   Call: (227) [system] peek_char((0x55772f068e50), _1259894)
   Exit: (227) [system] peek_char((0x55772f068e50), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1264614, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_1265546, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x55772f068e50), i)
   Exit: (227) [system] get_char((0x55772f068e50), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1272896)
   Call: (228) [system] peek_char((0x55772f068e50), _1273830)
   Exit: (228) [system] peek_char((0x55772f068e50), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_1278550, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_1279482, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x55772f068e50), o)
   Exit: (228) [system] get_char((0x55772f068e50), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1286832)
   Call: (229) [system] peek_char((0x55772f068e50), _1287766)
   Exit: (229) [system] peek_char((0x55772f068e50), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1292486, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1293418, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x55772f068e50), n)
   Exit: (229) [system] get_char((0x55772f068e50), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1300768)
   Call: (230) [system] peek_char((0x55772f068e50), _1301702)
   Exit: (230) [system] peek_char((0x55772f068e50), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1300768=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (229) [system] _1286832=[n]
   Exit: (229) [system] [n]=[n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (228) [system] _1272896=[o, n]
   Exit: (228) [system] [o, n]=[o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (227) [system] _1258960=[i, o, n]
   Exit: (227) [system] [i, o, n]=[i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (226) [system] _1245024=[t, i, o, n]
   Exit: (226) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (225) [system] _1231088=[a, t, i, o, n]
   Exit: (225) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (224) [system] _1217152=[c, a, t, i, o, n]
   Exit: (224) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (223) [system] _1203216=[i, c, a, t, i, o, n]
   Exit: (223) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (222) [system] _1189280=[l, i, c, a, t, i, o, n]
   Exit: (222) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (221) [system] _1175344=[p, l, i, c, a, t, i, o, n]
   Exit: (221) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (220) [system] _1161408=[m, p, l, i, c, a, t, i, o, n]
   Exit: (220) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (219) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1125898)
^  Call: (220) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1338926)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1339878, _1339880), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1338926), _1339860, fail)), '$restore_trace'(_1339878, _1339880))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1339878, _1339880))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1338926), _1339860, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_1338926)
   Fail: (221) [system] atomic(_1338926)
   Call: (221) [system] atom_chars(_1338926, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (221) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (220) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (220) [system] integer('Implication')
   Fail: (220) [system] integer('Implication')
   Call: (220) [system] _1125898='Implication'
   Exit: (220) [system] 'Implication'='Implication'
^  Exit: (219) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (218) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (217) [user] read_list(')', (0x55772f068e50), _1353876)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1355734)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x55772f068e50), _1365328)
   Exit: (219) [system] get_char((0x55772f068e50), ' ')
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1368032)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1384966)
   Exit: (218) [system] peek_char((0x55772f068e50), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _1390536)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1392394)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _1408404)
   Exit: (219) [system] get_char((0x55772f068e50), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x55772f068e50), _1390536)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1413974)
   Exit: (221) [system] peek_char((0x55772f068e50), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
   Call: (221) [system] 'A'=(/)
   Fail: (221) [system] 'A'=(/)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1429984)
   Exit: (220) [system] peek_char((0x55772f068e50), 'A')
   Call: (220) [system] 'A'=')'
   Fail: (220) [system] 'A'=')'
   Call: (220) [system] 'A'=end_of_file
   Fail: (220) [system] 'A'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _1435554)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1437412)
   Exit: (222) [system] peek_char((0x55772f068e50), 'A')
   Call: (222) [system] 'A'=(;)
   Fail: (222) [system] 'A'=(;)
   Call: (222) [system] 'A'=(/)
   Fail: (222) [system] 'A'=(/)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Fail: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Fail: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Fail: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
   Fail: (223) [system] char_type('A', cntrl)
^  Fail: (222) [user] is_like_space('A')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _1453422)
   Exit: (221) [system] get_char((0x55772f068e50), 'A')
   Call: (221) [system] 'A'='('
   Fail: (221) [system] 'A'='('
   Call: (221) [system] 'A'='['
   Fail: (221) [system] 'A'='['
   Call: (221) [system] 'A'='{'
   Fail: (221) [system] 'A'='{'
   Call: (221) [system] 'A'='"'
   Fail: (221) [system] 'A'='"'
   Call: (221) [system] 'A'=!
   Fail: (221) [system] 'A'=!
   Call: (221) [system] 'A'='\''
   Fail: (221) [system] 'A'='\''
   Call: (221) [system] 'A'='`'
   Fail: (221) [system] 'A'='`'
   Call: (221) [system] 'A'=end_of_file
   Fail: (221) [system] 'A'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x55772f068e50), 'A', _1435554)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1471064)
   Call: (223) [system] peek_char((0x55772f068e50), _1471998)
   Exit: (223) [system] peek_char((0x55772f068e50), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1476718, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_1477650, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x55772f068e50), n)
   Exit: (223) [system] get_char((0x55772f068e50), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1485000)
   Call: (224) [system] peek_char((0x55772f068e50), _1485934)
   Exit: (224) [system] peek_char((0x55772f068e50), d)
^  Call: (224) [user] is_delimiter(d)
   Call: (225) [system] char_type(d, space)
   Fail: (225) [system] char_type(d, space)
   Call: (225) [system] arg(_1490654, v('(', ')', end_of_file), d)
   Fail: (225) [system] arg(_1491586, v('(', ')', end_of_file), d)
^  Fail: (224) [user] is_delimiter(d)
   Call: (224) [system] ')'==d
   Fail: (224) [system] ')'==d
   Call: (224) [system] get_char((0x55772f068e50), d)
   Exit: (224) [system] get_char((0x55772f068e50), d)
   Call: (224) [system] d=(\)
   Fail: (224) [system] d=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1498936)
   Call: (225) [system] peek_char((0x55772f068e50), _1499870)
   Exit: (225) [system] peek_char((0x55772f068e50), 'L')
^  Call: (225) [user] is_delimiter('L')
   Call: (226) [system] char_type('L', space)
   Fail: (226) [system] char_type('L', space)
   Call: (226) [system] arg(_1504590, v('(', ')', end_of_file), 'L')
   Fail: (226) [system] arg(_1505522, v('(', ')', end_of_file), 'L')
^  Fail: (225) [user] is_delimiter('L')
   Call: (225) [system] ')'=='L'
   Fail: (225) [system] ')'=='L'
   Call: (225) [system] get_char((0x55772f068e50), 'L')
   Exit: (225) [system] get_char((0x55772f068e50), 'L')
   Call: (225) [system] 'L'=(\)
   Fail: (225) [system] 'L'=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1512872)
   Call: (226) [system] peek_char((0x55772f068e50), _1513806)
   Exit: (226) [system] peek_char((0x55772f068e50), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_1518526, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_1519458, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x55772f068e50), i)
   Exit: (226) [system] get_char((0x55772f068e50), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1526808)
   Call: (227) [system] peek_char((0x55772f068e50), _1527742)
   Exit: (227) [system] peek_char((0x55772f068e50), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1532462, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_1533394, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x55772f068e50), n)
   Exit: (227) [system] get_char((0x55772f068e50), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1540744)
   Call: (228) [system] peek_char((0x55772f068e50), _1541678)
   Exit: (228) [system] peek_char((0x55772f068e50), k)
^  Call: (228) [user] is_delimiter(k)
   Call: (229) [system] char_type(k, space)
   Fail: (229) [system] char_type(k, space)
   Call: (229) [system] arg(_1546398, v('(', ')', end_of_file), k)
   Fail: (229) [system] arg(_1547330, v('(', ')', end_of_file), k)
^  Fail: (228) [user] is_delimiter(k)
   Call: (228) [system] ')'==k
   Fail: (228) [system] ')'==k
   Call: (228) [system] get_char((0x55772f068e50), k)
   Exit: (228) [system] get_char((0x55772f068e50), k)
   Call: (228) [system] k=(\)
   Fail: (228) [system] k=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1554680)
   Call: (229) [system] peek_char((0x55772f068e50), _1555614)
   Exit: (229) [system] peek_char((0x55772f068e50), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _1554680=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (228) [system] _1540744=[k]
   Exit: (228) [system] [k]=[k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (227) [system] _1526808=[n, k]
   Exit: (227) [system] [n, k]=[n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (226) [system] _1512872=[i, n, k]
   Exit: (226) [system] [i, n, k]=[i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (225) [system] _1498936=['L', i, n, k]
   Exit: (225) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (224) [system] _1485000=[d, 'L', i, n, k]
   Exit: (224) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (223) [system] _1471064=[n, d, 'L', i, n, k]
   Exit: (223) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (222) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1435554)
^  Call: (223) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1581662)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1582614, _1582616), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1581662), _1582596, fail)), '$restore_trace'(_1582614, _1582616))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1582614, _1582616))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1581662), _1582596, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1581662)
   Fail: (224) [system] atomic(_1581662)
   Call: (224) [system] atom_chars(_1581662, ['A', n, d, 'L', i, n, k])
   Exit: (224) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (223) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (223) [system] integer('AndLink')
   Fail: (223) [system] integer('AndLink')
   Call: (223) [system] _1435554='AndLink'
   Exit: (223) [system] 'AndLink'='AndLink'
^  Exit: (222) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (221) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (220) [user] read_list(')', (0x55772f068e50), _1596612)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1598470)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x55772f068e50), _1608064)
   Exit: (222) [system] get_char((0x55772f068e50), ' ')
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1610768)
   Exit: (223) [system] peek_char((0x55772f068e50), 'A')
   Call: (223) [system] 'A'=(;)
   Fail: (223) [system] 'A'=(;)
   Call: (223) [system] 'A'=(/)
   Fail: (223) [system] 'A'=(/)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Fail: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Fail: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Fail: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
   Fail: (224) [system] char_type('A', cntrl)
^  Fail: (223) [user] is_like_space('A')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1627702)
   Exit: (221) [system] peek_char((0x55772f068e50), 'A')
   Call: (221) [system] 'A'=')'
   Fail: (221) [system] 'A'=')'
   Call: (221) [system] 'A'=end_of_file
   Fail: (221) [system] 'A'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _1633272)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1635130)
   Exit: (223) [system] peek_char((0x55772f068e50), 'A')
   Call: (223) [system] 'A'=(;)
   Fail: (223) [system] 'A'=(;)
   Call: (223) [system] 'A'=(/)
   Fail: (223) [system] 'A'=(/)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Fail: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Fail: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Fail: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
   Fail: (224) [system] char_type('A', cntrl)
^  Fail: (223) [user] is_like_space('A')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _1651140)
   Exit: (222) [system] get_char((0x55772f068e50), 'A')
   Call: (222) [system] 'A'='('
   Fail: (222) [system] 'A'='('
   Call: (222) [system] 'A'='['
   Fail: (222) [system] 'A'='['
   Call: (222) [system] 'A'='{'
   Fail: (222) [system] 'A'='{'
   Call: (222) [system] 'A'='"'
   Fail: (222) [system] 'A'='"'
   Call: (222) [system] 'A'=!
   Fail: (222) [system] 'A'=!
   Call: (222) [system] 'A'='\''
   Fail: (222) [system] 'A'='\''
   Call: (222) [system] 'A'='`'
   Fail: (222) [system] 'A'='`'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x55772f068e50), 'A', _1633272)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1668782)
   Call: (224) [system] peek_char((0x55772f068e50), _1669716)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1668782=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (223) [user] classify_and_convert_charseq(['A'], _1633272)
^  Call: (224) [user] classify_and_convert_charseq_(['A'], _1679000)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1679952, _1679954), once(user:catch(read_from_chars(['A'], _1679000), _1679934, fail)), '$restore_trace'(_1679952, _1679954))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1679952, _1679954))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1679000), _1679934, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1679000)
   Fail: (225) [system] atomic(_1679000)
   Call: (225) [system] atom_chars(_1679000, ['A'])
   Exit: (225) [system] atom_chars('A', ['A'])
^  Exit: (224) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (224) [system] integer('A')
   Fail: (224) [system] integer('A')
   Call: (224) [system] _1633272='A'
   Exit: (224) [system] 'A'='A'
^  Exit: (223) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (222) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (221) [user] read_list(')', (0x55772f068e50), _1693950)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1695808)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x55772f068e50), _1705402)
   Exit: (223) [system] get_char((0x55772f068e50), ' ')
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1708106)
   Exit: (224) [system] peek_char((0x55772f068e50), 'B')
   Call: (224) [system] 'B'=(;)
   Fail: (224) [system] 'B'=(;)
   Call: (224) [system] 'B'=(/)
   Fail: (224) [system] 'B'=(/)
^  Call: (224) [user] is_like_space('B')
   Call: (225) [system] char_type('B', 'white')
   Fail: (225) [system] char_type('B', 'white')
   Call: (225) [system] char_type('B', end_of_line)
   Fail: (225) [system] char_type('B', end_of_line)
   Call: (225) [system] char_type('B', space)
   Fail: (225) [system] char_type('B', space)
   Call: (225) [system] char_type('B', cntrl)
   Fail: (225) [system] char_type('B', cntrl)
^  Fail: (224) [user] is_like_space('B')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1725040)
   Exit: (222) [system] peek_char((0x55772f068e50), 'B')
   Call: (222) [system] 'B'=')'
   Fail: (222) [system] 'B'=')'
   Call: (222) [system] 'B'=end_of_file
   Fail: (222) [system] 'B'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _1730610)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1732468)
   Exit: (224) [system] peek_char((0x55772f068e50), 'B')
   Call: (224) [system] 'B'=(;)
   Fail: (224) [system] 'B'=(;)
   Call: (224) [system] 'B'=(/)
   Fail: (224) [system] 'B'=(/)
^  Call: (224) [user] is_like_space('B')
   Call: (225) [system] char_type('B', 'white')
   Fail: (225) [system] char_type('B', 'white')
   Call: (225) [system] char_type('B', end_of_line)
   Fail: (225) [system] char_type('B', end_of_line)
   Call: (225) [system] char_type('B', space)
   Fail: (225) [system] char_type('B', space)
   Call: (225) [system] char_type('B', cntrl)
   Fail: (225) [system] char_type('B', cntrl)
^  Fail: (224) [user] is_like_space('B')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _1748478)
   Exit: (223) [system] get_char((0x55772f068e50), 'B')
   Call: (223) [system] 'B'='('
   Fail: (223) [system] 'B'='('
   Call: (223) [system] 'B'='['
   Fail: (223) [system] 'B'='['
   Call: (223) [system] 'B'='{'
   Fail: (223) [system] 'B'='{'
   Call: (223) [system] 'B'='"'
   Fail: (223) [system] 'B'='"'
   Call: (223) [system] 'B'=!
   Fail: (223) [system] 'B'=!
   Call: (223) [system] 'B'='\''
   Fail: (223) [system] 'B'='\''
   Call: (223) [system] 'B'='`'
   Fail: (223) [system] 'B'='`'
   Call: (223) [system] 'B'=end_of_file
   Fail: (223) [system] 'B'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x55772f068e50), 'B', _1730610)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1766120)
   Call: (225) [system] peek_char((0x55772f068e50), _1767054)
   Exit: (225) [system] peek_char((0x55772f068e50), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_1771774, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _1766120=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (224) [user] classify_and_convert_charseq(['B'], _1730610)
^  Call: (225) [user] classify_and_convert_charseq_(['B'], _1778210)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1779162, _1779164), once(user:catch(read_from_chars(['B'], _1778210), _1779144, fail)), '$restore_trace'(_1779162, _1779164))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1779162, _1779164))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1778210), _1779144, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1778210)
   Fail: (226) [system] atomic(_1778210)
   Call: (226) [system] atom_chars(_1778210, ['B'])
   Exit: (226) [system] atom_chars('B', ['B'])
^  Exit: (225) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (225) [system] integer('B')
   Fail: (225) [system] integer('B')
   Call: (225) [system] _1730610='B'
   Exit: (225) [system] 'B'='B'
^  Exit: (224) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (223) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (222) [user] read_list(')', (0x55772f068e50), _1793160)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1795018)
   Exit: (224) [system] peek_char((0x55772f068e50), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
   Call: (224) [system] ')'=(/)
   Fail: (224) [system] ')'=(/)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1811028)
   Exit: (223) [system] peek_char((0x55772f068e50), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x55772f068e50), _1814818)
   Exit: (223) [system] get_char((0x55772f068e50), ')')
   Call: (223) [system] _1793160=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x55772f068e50), [])
   Call: (222) [system] _1693950=['B']
   Exit: (222) [system] ['B']=['B']
^  Exit: (221) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (221) [system] _1596612=['A', 'B']
   Exit: (221) [system] ['A', 'B']=['A', 'B']
^  Exit: (220) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (220) [system] _1390536=['AndLink', 'A', 'B']
   Exit: (220) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (219) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (218) [user] read_list(')', (0x55772f068e50), _1828700)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1830558)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x55772f068e50), _1840152)
   Exit: (220) [system] get_char((0x55772f068e50), ' ')
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1842856)
   Exit: (221) [system] peek_char((0x55772f068e50), 'C')
   Call: (221) [system] 'C'=(;)
   Fail: (221) [system] 'C'=(;)
   Call: (221) [system] 'C'=(/)
   Fail: (221) [system] 'C'=(/)
^  Call: (221) [user] is_like_space('C')
   Call: (222) [system] char_type('C', 'white')
   Fail: (222) [system] char_type('C', 'white')
   Call: (222) [system] char_type('C', end_of_line)
   Fail: (222) [system] char_type('C', end_of_line)
   Call: (222) [system] char_type('C', space)
   Fail: (222) [system] char_type('C', space)
   Call: (222) [system] char_type('C', cntrl)
   Fail: (222) [system] char_type('C', cntrl)
^  Fail: (221) [user] is_like_space('C')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1859790)
   Exit: (219) [system] peek_char((0x55772f068e50), 'C')
   Call: (219) [system] 'C'=')'
   Fail: (219) [system] 'C'=')'
   Call: (219) [system] 'C'=end_of_file
   Fail: (219) [system] 'C'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _1865360)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1867218)
   Exit: (221) [system] peek_char((0x55772f068e50), 'C')
   Call: (221) [system] 'C'=(;)
   Fail: (221) [system] 'C'=(;)
   Call: (221) [system] 'C'=(/)
   Fail: (221) [system] 'C'=(/)
^  Call: (221) [user] is_like_space('C')
   Call: (222) [system] char_type('C', 'white')
   Fail: (222) [system] char_type('C', 'white')
   Call: (222) [system] char_type('C', end_of_line)
   Fail: (222) [system] char_type('C', end_of_line)
   Call: (222) [system] char_type('C', space)
   Fail: (222) [system] char_type('C', space)
   Call: (222) [system] char_type('C', cntrl)
   Fail: (222) [system] char_type('C', cntrl)
^  Fail: (221) [user] is_like_space('C')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _1883228)
   Exit: (220) [system] get_char((0x55772f068e50), 'C')
   Call: (220) [system] 'C'='('
   Fail: (220) [system] 'C'='('
   Call: (220) [system] 'C'='['
   Fail: (220) [system] 'C'='['
   Call: (220) [system] 'C'='{'
   Fail: (220) [system] 'C'='{'
   Call: (220) [system] 'C'='"'
   Fail: (220) [system] 'C'='"'
   Call: (220) [system] 'C'=!
   Fail: (220) [system] 'C'=!
   Call: (220) [system] 'C'='\''
   Fail: (220) [system] 'C'='\''
   Call: (220) [system] 'C'='`'
   Fail: (220) [system] 'C'='`'
   Call: (220) [system] 'C'=end_of_file
   Fail: (220) [system] 'C'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x55772f068e50), 'C', _1865360)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1900870)
   Call: (222) [system] peek_char((0x55772f068e50), _1901804)
   Exit: (222) [system] peek_char((0x55772f068e50), ')')
^  Call: (222) [user] is_delimiter(')')
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] arg(_1906524, v('(', ')', end_of_file), ')')
   Exit: (223) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (222) [user] is_delimiter(')')
   Call: (222) [system] _1900870=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (221) [user] classify_and_convert_charseq(['C'], _1865360)
^  Call: (222) [user] classify_and_convert_charseq_(['C'], _1912960)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1913912, _1913914), once(user:catch(read_from_chars(['C'], _1912960), _1913894, fail)), '$restore_trace'(_1913912, _1913914))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1913912, _1913914))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1912960), _1913894, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1912960)
   Fail: (223) [system] atomic(_1912960)
   Call: (223) [system] atom_chars(_1912960, ['C'])
   Exit: (223) [system] atom_chars('C', ['C'])
^  Exit: (222) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (222) [system] integer('C')
   Fail: (222) [system] integer('C')
   Call: (222) [system] _1865360='C'
   Exit: (222) [system] 'C'='C'
^  Exit: (221) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (220) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (219) [user] read_list(')', (0x55772f068e50), _1927910)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1929768)
   Exit: (221) [system] peek_char((0x55772f068e50), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
   Call: (221) [system] ')'=(/)
   Fail: (221) [system] ')'=(/)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1945778)
   Exit: (220) [system] peek_char((0x55772f068e50), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x55772f068e50), _1949568)
   Exit: (220) [system] get_char((0x55772f068e50), ')')
   Call: (220) [system] _1927910=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x55772f068e50), [])
   Call: (219) [system] _1828700=['C']
   Exit: (219) [system] ['C']=['C']
^  Exit: (218) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (218) [system] _1353876=[['AndLink', 'A', 'B'], 'C']
   Exit: (218) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (217) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (217) [system] _1080880=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (217) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (216) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (215) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (215) [user] read_list(')', (0x55772f068e50), _1963450)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1965308)
   Exit: (217) [system] peek_char((0x55772f068e50), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x55772f068e50), _1974902)
   Exit: (217) [system] get_char((0x55772f068e50), ' ')
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1977606)
   Exit: (218) [system] peek_char((0x55772f068e50), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1994540)
   Exit: (216) [system] peek_char((0x55772f068e50), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x55772f068e50), _2000110)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _2001968)
   Exit: (218) [system] peek_char((0x55772f068e50), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] get_char((0x55772f068e50), _2017978)
   Exit: (217) [system] get_char((0x55772f068e50), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x55772f068e50), _2000110)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _2023548)
   Exit: (219) [system] peek_char((0x55772f068e50), 'O')
   Call: (219) [system] 'O'=(;)
   Fail: (219) [system] 'O'=(;)
   Call: (219) [system] 'O'=(/)
   Fail: (219) [system] 'O'=(/)
^  Call: (219) [user] is_like_space('O')
   Call: (220) [system] char_type('O', 'white')
   Fail: (220) [system] char_type('O', 'white')
   Call: (220) [system] char_type('O', end_of_line)
   Fail: (220) [system] char_type('O', end_of_line)
   Call: (220) [system] char_type('O', space)
   Fail: (220) [system] char_type('O', space)
   Call: (220) [system] char_type('O', cntrl)
   Fail: (220) [system] char_type('O', cntrl)
^  Fail: (219) [user] is_like_space('O')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _2039558)
   Exit: (218) [system] peek_char((0x55772f068e50), 'O')
   Call: (218) [system] 'O'=')'
   Fail: (218) [system] 'O'=')'
   Call: (218) [system] 'O'=end_of_file
   Fail: (218) [system] 'O'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _2045128)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _2046986)
   Exit: (220) [system] peek_char((0x55772f068e50), 'O')
   Call: (220) [system] 'O'=(;)
   Fail: (220) [system] 'O'=(;)
   Call: (220) [system] 'O'=(/)
   Fail: (220) [system] 'O'=(/)
^  Call: (220) [user] is_like_space('O')
   Call: (221) [system] char_type('O', 'white')
   Fail: (221) [system] char_type('O', 'white')
   Call: (221) [system] char_type('O', end_of_line)
   Fail: (221) [system] char_type('O', end_of_line)
   Call: (221) [system] char_type('O', space)
   Fail: (221) [system] char_type('O', space)
   Call: (221) [system] char_type('O', cntrl)
   Fail: (221) [system] char_type('O', cntrl)
^  Fail: (220) [user] is_like_space('O')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _2062996)
   Exit: (219) [system] get_char((0x55772f068e50), 'O')
   Call: (219) [system] 'O'='('
   Fail: (219) [system] 'O'='('
   Call: (219) [system] 'O'='['
   Fail: (219) [system] 'O'='['
   Call: (219) [system] 'O'='{'
   Fail: (219) [system] 'O'='{'
   Call: (219) [system] 'O'='"'
   Fail: (219) [system] 'O'='"'
   Call: (219) [system] 'O'=!
   Fail: (219) [system] 'O'=!
   Call: (219) [system] 'O'='\''
   Fail: (219) [system] 'O'='\''
   Call: (219) [system] 'O'='`'
   Fail: (219) [system] 'O'='`'
   Call: (219) [system] 'O'=end_of_file
   Fail: (219) [system] 'O'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x55772f068e50), 'O', _2045128)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _2080638)
   Call: (221) [system] peek_char((0x55772f068e50), _2081572)
   Exit: (221) [system] peek_char((0x55772f068e50), r)
^  Call: (221) [user] is_delimiter(r)
   Call: (222) [system] char_type(r, space)
   Fail: (222) [system] char_type(r, space)
   Call: (222) [system] arg(_2086292, v('(', ')', end_of_file), r)
   Fail: (222) [system] arg(_2087224, v('(', ')', end_of_file), r)
^  Fail: (221) [user] is_delimiter(r)
   Call: (221) [system] ')'==r
   Fail: (221) [system] ')'==r
   Call: (221) [system] get_char((0x55772f068e50), r)
   Exit: (221) [system] get_char((0x55772f068e50), r)
   Call: (221) [system] r=(\)
   Fail: (221) [system] r=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _2094574)
   Call: (222) [system] peek_char((0x55772f068e50), _2095508)
   Exit: (222) [system] peek_char((0x55772f068e50), 'L')
^  Call: (222) [user] is_delimiter('L')
   Call: (223) [system] char_type('L', space)
   Fail: (223) [system] char_type('L', space)
   Call: (223) [system] arg(_8610, v('(', ')', end_of_file), 'L')
   Fail: (223) [system] arg(_9542, v('(', ')', end_of_file), 'L')
^  Fail: (222) [user] is_delimiter('L')
   Call: (222) [system] ')'=='L'
   Fail: (222) [system] ')'=='L'
   Call: (222) [system] get_char((0x55772f068e50), 'L')
   Exit: (222) [system] get_char((0x55772f068e50), 'L')
   Call: (222) [system] 'L'=(\)
   Fail: (222) [system] 'L'=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _16892)
   Call: (223) [system] peek_char((0x55772f068e50), _17826)
   Exit: (223) [system] peek_char((0x55772f068e50), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_22546, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_23478, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x55772f068e50), i)
   Exit: (223) [system] get_char((0x55772f068e50), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _30828)
   Call: (224) [system] peek_char((0x55772f068e50), _31762)
   Exit: (224) [system] peek_char((0x55772f068e50), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_36482, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_37414, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x55772f068e50), n)
   Exit: (224) [system] get_char((0x55772f068e50), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _44764)
   Call: (225) [system] peek_char((0x55772f068e50), _45698)
   Exit: (225) [system] peek_char((0x55772f068e50), k)
^  Call: (225) [user] is_delimiter(k)
   Call: (226) [system] char_type(k, space)
   Fail: (226) [system] char_type(k, space)
   Call: (226) [system] arg(_50418, v('(', ')', end_of_file), k)
   Fail: (226) [system] arg(_51350, v('(', ')', end_of_file), k)
^  Fail: (225) [user] is_delimiter(k)
   Call: (225) [system] ')'==k
   Fail: (225) [system] ')'==k
   Call: (225) [system] get_char((0x55772f068e50), k)
   Exit: (225) [system] get_char((0x55772f068e50), k)
   Call: (225) [system] k=(\)
   Fail: (225) [system] k=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _58700)
   Call: (226) [system] peek_char((0x55772f068e50), _59634)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _58700=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (225) [system] _44764=[k]
   Exit: (225) [system] [k]=[k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (224) [system] _30828=[n, k]
   Exit: (224) [system] [n, k]=[n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (223) [system] _16892=[i, n, k]
   Exit: (223) [system] [i, n, k]=[i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (222) [system] _5146=['L', i, n, k]
   Exit: (222) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (221) [system] _5142=[r, 'L', i, n, k]
   Exit: (221) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (220) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _5138)
^  Call: (221) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _82888)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_83840, _83842), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _82888), _83822, fail)), '$restore_trace'(_83840, _83842))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_83840, _83842))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _82888), _83822, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_82888)
   Fail: (222) [system] atomic(_82888)
   Call: (222) [system] atom_chars(_82888, ['O', r, 'L', i, n, k])
   Exit: (222) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (221) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (221) [system] integer('OrLink')
   Fail: (221) [system] integer('OrLink')
   Call: (221) [system] _5138='OrLink'
   Exit: (221) [system] 'OrLink'='OrLink'
^  Exit: (220) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (219) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (218) [user] read_list(')', (0x55772f068e50), _97838)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _99696)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x55772f068e50), _109290)
   Exit: (220) [system] get_char((0x55772f068e50), ' ')
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _111994)
   Exit: (221) [system] peek_char((0x55772f068e50), 'B')
   Call: (221) [system] 'B'=(;)
   Fail: (221) [system] 'B'=(;)
   Call: (221) [system] 'B'=(/)
   Fail: (221) [system] 'B'=(/)
^  Call: (221) [user] is_like_space('B')
   Call: (222) [system] char_type('B', 'white')
   Fail: (222) [system] char_type('B', 'white')
   Call: (222) [system] char_type('B', end_of_line)
   Fail: (222) [system] char_type('B', end_of_line)
   Call: (222) [system] char_type('B', space)
   Fail: (222) [system] char_type('B', space)
   Call: (222) [system] char_type('B', cntrl)
   Fail: (222) [system] char_type('B', cntrl)
^  Fail: (221) [user] is_like_space('B')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _128928)
   Exit: (219) [system] peek_char((0x55772f068e50), 'B')
   Call: (219) [system] 'B'=')'
   Fail: (219) [system] 'B'=')'
   Call: (219) [system] 'B'=end_of_file
   Fail: (219) [system] 'B'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _134498)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _136356)
   Exit: (221) [system] peek_char((0x55772f068e50), 'B')
   Call: (221) [system] 'B'=(;)
   Fail: (221) [system] 'B'=(;)
   Call: (221) [system] 'B'=(/)
   Fail: (221) [system] 'B'=(/)
^  Call: (221) [user] is_like_space('B')
   Call: (222) [system] char_type('B', 'white')
   Fail: (222) [system] char_type('B', 'white')
   Call: (222) [system] char_type('B', end_of_line)
   Fail: (222) [system] char_type('B', end_of_line)
   Call: (222) [system] char_type('B', space)
   Fail: (222) [system] char_type('B', space)
   Call: (222) [system] char_type('B', cntrl)
   Fail: (222) [system] char_type('B', cntrl)
^  Fail: (221) [user] is_like_space('B')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _152366)
   Exit: (220) [system] get_char((0x55772f068e50), 'B')
   Call: (220) [system] 'B'='('
   Fail: (220) [system] 'B'='('
   Call: (220) [system] 'B'='['
   Fail: (220) [system] 'B'='['
   Call: (220) [system] 'B'='{'
   Fail: (220) [system] 'B'='{'
   Call: (220) [system] 'B'='"'
   Fail: (220) [system] 'B'='"'
   Call: (220) [system] 'B'=!
   Fail: (220) [system] 'B'=!
   Call: (220) [system] 'B'='\''
   Fail: (220) [system] 'B'='\''
   Call: (220) [system] 'B'='`'
   Fail: (220) [system] 'B'='`'
   Call: (220) [system] 'B'=end_of_file
   Fail: (220) [system] 'B'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x55772f068e50), 'B', _134498)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _170008)
   Call: (222) [system] peek_char((0x55772f068e50), _170942)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _170008=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (221) [user] classify_and_convert_charseq(['B'], _134498)
^  Call: (222) [user] classify_and_convert_charseq_(['B'], _180226)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_181178, _181180), once(user:catch(read_from_chars(['B'], _180226), _181160, fail)), '$restore_trace'(_181178, _181180))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_181178, _181180))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _180226), _181160, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_180226)
   Fail: (223) [system] atomic(_180226)
   Call: (223) [system] atom_chars(_180226, ['B'])
   Exit: (223) [system] atom_chars('B', ['B'])
^  Exit: (222) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (222) [system] integer('B')
   Fail: (222) [system] integer('B')
   Call: (222) [system] _134498='B'
   Exit: (222) [system] 'B'='B'
^  Exit: (221) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (220) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (219) [user] read_list(')', (0x55772f068e50), _195176)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _197034)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x55772f068e50), _206628)
   Exit: (221) [system] get_char((0x55772f068e50), ' ')
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _209332)
   Exit: (222) [system] peek_char((0x55772f068e50), 'B')
   Call: (222) [system] 'B'=(;)
   Fail: (222) [system] 'B'=(;)
   Call: (222) [system] 'B'=(/)
   Fail: (222) [system] 'B'=(/)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Fail: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Fail: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Fail: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
   Fail: (223) [system] char_type('B', cntrl)
^  Fail: (222) [user] is_like_space('B')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _226266)
   Exit: (220) [system] peek_char((0x55772f068e50), 'B')
   Call: (220) [system] 'B'=')'
   Fail: (220) [system] 'B'=')'
   Call: (220) [system] 'B'=end_of_file
   Fail: (220) [system] 'B'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _231836)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _233694)
   Exit: (222) [system] peek_char((0x55772f068e50), 'B')
   Call: (222) [system] 'B'=(;)
   Fail: (222) [system] 'B'=(;)
   Call: (222) [system] 'B'=(/)
   Fail: (222) [system] 'B'=(/)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Fail: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Fail: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Fail: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
   Fail: (223) [system] char_type('B', cntrl)
^  Fail: (222) [user] is_like_space('B')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _249704)
   Exit: (221) [system] get_char((0x55772f068e50), 'B')
   Call: (221) [system] 'B'='('
   Fail: (221) [system] 'B'='('
   Call: (221) [system] 'B'='['
   Fail: (221) [system] 'B'='['
   Call: (221) [system] 'B'='{'
   Fail: (221) [system] 'B'='{'
   Call: (221) [system] 'B'='"'
   Fail: (221) [system] 'B'='"'
   Call: (221) [system] 'B'=!
   Fail: (221) [system] 'B'=!
   Call: (221) [system] 'B'='\''
   Fail: (221) [system] 'B'='\''
   Call: (221) [system] 'B'='`'
   Fail: (221) [system] 'B'='`'
   Call: (221) [system] 'B'=end_of_file
   Fail: (221) [system] 'B'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x55772f068e50), 'B', _231836)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _267346)
   Call: (223) [system] peek_char((0x55772f068e50), _268280)
   Exit: (223) [system] peek_char((0x55772f068e50), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_273000, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _267346=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (222) [user] classify_and_convert_charseq(['B'], _231836)
^  Call: (223) [user] classify_and_convert_charseq_(['B'], _279436)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_280388, _280390), once(user:catch(read_from_chars(['B'], _279436), _280370, fail)), '$restore_trace'(_280388, _280390))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_280388, _280390))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _279436), _280370, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_279436)
   Fail: (224) [system] atomic(_279436)
   Call: (224) [system] atom_chars(_279436, ['B'])
   Exit: (224) [system] atom_chars('B', ['B'])
^  Exit: (223) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (223) [system] integer('B')
   Fail: (223) [system] integer('B')
   Call: (223) [system] _231836='B'
   Exit: (223) [system] 'B'='B'
^  Exit: (222) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (221) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (220) [user] read_list(')', (0x55772f068e50), _294386)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _296244)
   Exit: (222) [system] peek_char((0x55772f068e50), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
   Call: (222) [system] ')'=(/)
   Fail: (222) [system] ')'=(/)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _312254)
   Exit: (221) [system] peek_char((0x55772f068e50), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x55772f068e50), _316044)
   Exit: (221) [system] get_char((0x55772f068e50), ')')
   Call: (221) [system] _294386=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x55772f068e50), [])
   Call: (220) [system] _195176=['B']
   Exit: (220) [system] ['B']=['B']
^  Exit: (219) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (219) [system] _97838=['B', 'B']
   Exit: (219) [system] ['B', 'B']=['B', 'B']
^  Exit: (218) [user] read_list(')', (0x55772f068e50), ['B', 'B'])
   Call: (218) [system] _5132=['OrLink', 'B', 'B']
   Exit: (218) [system] ['OrLink', 'B', 'B']=['OrLink', 'B', 'B']
^  Exit: (217) [user] read_list(')', (0x55772f068e50), ['OrLink', 'B', 'B'])
^  Exit: (216) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'B', 'B'])
^  Call: (216) [user] read_list(')', (0x55772f068e50), _329926)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _331784)
   Exit: (218) [system] peek_char((0x55772f068e50), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
   Call: (218) [system] ')'=(/)
   Fail: (218) [system] ')'=(/)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _347794)
   Exit: (217) [system] peek_char((0x55772f068e50), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x55772f068e50), _351584)
   Exit: (217) [system] get_char((0x55772f068e50), ')')
   Call: (217) [system] _329926=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x55772f068e50), [])
   Call: (216) [system] _5128=[['OrLink', 'B', 'B']]
   Exit: (216) [system] [['OrLink', 'B', 'B']]=[['OrLink', 'B', 'B']]
^  Exit: (215) [user] read_list(')', (0x55772f068e50), [['OrLink', 'B', 'B']])
   Call: (215) [system] _5086=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]
   Exit: (215) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]
^  Exit: (214) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']])
   Call: (214) [system] _5078=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]
   Exit: (214) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]
^  Exit: (213) [user] read_list(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']])
^  Exit: (212) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']])
^  Call: (212) [user] read_list(')', (0x55772f068e50), _365466)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _367324)
   Exit: (214) [system] peek_char((0x55772f068e50), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
   Call: (214) [system] ')'=(/)
   Fail: (214) [system] ')'=(/)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _383334)
   Exit: (213) [system] peek_char((0x55772f068e50), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x55772f068e50), _387124)
   Exit: (213) [system] get_char((0x55772f068e50), ')')
   Call: (213) [system] _365466=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x55772f068e50), [])
   Call: (212) [system] _5074=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]
   Exit: (212) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]
^  Exit: (211) [user] read_list(')', (0x55772f068e50), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]])
   Call: (211) [system] _5032=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]
   Exit: (211) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]
^  Exit: (210) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]])
   Call: (210) [system] _5024=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]
   Exit: (210) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]
^  Exit: (209) [user] read_list(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]])
^  Exit: (208) [user] cont_sexpr(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]])
^  Call: (208) [user] read_list(')', (0x55772f068e50), _401006)
^  Call: (209) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _402864)
   Exit: (210) [system] peek_char((0x55772f068e50), '\n')
   Call: (210) [system] '\n'=(;)
   Fail: (210) [system] '\n'=(;)
   Call: (210) [system] '\n'=(/)
   Fail: (210) [system] '\n'=(/)
^  Call: (210) [user] is_like_space('\n')
   Call: (211) [system] char_type('\n', 'white')
   Fail: (211) [system] char_type('\n', 'white')
   Call: (211) [system] char_type('\n', end_of_line)
   Exit: (211) [system] char_type('\n', end_of_line)
^  Exit: (210) [user] is_like_space('\n')
   Call: (210) [system] get_char((0x55772f068e50), _414314)
   Exit: (210) [system] get_char((0x55772f068e50), '\n')
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _417018)
   Exit: (211) [system] peek_char((0x55772f068e50), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x55772f068e50), _426612)
   Exit: (211) [system] get_char((0x55772f068e50), ' ')
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _429316)
   Exit: (212) [system] peek_char((0x55772f068e50), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
^  Exit: (209) [user] skip_spaces((0x55772f068e50))
   Call: (209) [system] peek_char((0x55772f068e50), _447174)
   Exit: (209) [system] peek_char((0x55772f068e50), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x55772f068e50), _452744)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _454602)
   Exit: (211) [system] peek_char((0x55772f068e50), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] get_char((0x55772f068e50), _470612)
   Exit: (210) [system] get_char((0x55772f068e50), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x55772f068e50), _452744)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _476182)
   Exit: (212) [system] peek_char((0x55772f068e50), :)
   Call: (212) [system] (:)=(;)
   Fail: (212) [system] (:)=(;)
   Call: (212) [system] (:)=(/)
   Fail: (212) [system] (:)=(/)
^  Call: (212) [user] is_like_space(:)
   Call: (213) [system] char_type(:, 'white')
   Fail: (213) [system] char_type(:, 'white')
   Call: (213) [system] char_type(:, end_of_line)
   Fail: (213) [system] char_type(:, end_of_line)
   Call: (213) [system] char_type(:, space)
   Fail: (213) [system] char_type(:, space)
   Call: (213) [system] char_type(:, cntrl)
   Fail: (213) [system] char_type(:, cntrl)
^  Fail: (212) [user] is_like_space(:)
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _492192)
   Exit: (211) [system] peek_char((0x55772f068e50), :)
   Call: (211) [system] (:)=')'
   Fail: (211) [system] (:)=')'
   Call: (211) [system] (:)=end_of_file
   Fail: (211) [system] (:)=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x55772f068e50), _497762)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _499620)
   Exit: (213) [system] peek_char((0x55772f068e50), :)
   Call: (213) [system] (:)=(;)
   Fail: (213) [system] (:)=(;)
   Call: (213) [system] (:)=(/)
   Fail: (213) [system] (:)=(/)
^  Call: (213) [user] is_like_space(:)
   Call: (214) [system] char_type(:, 'white')
   Fail: (214) [system] char_type(:, 'white')
   Call: (214) [system] char_type(:, end_of_line)
   Fail: (214) [system] char_type(:, end_of_line)
   Call: (214) [system] char_type(:, space)
   Fail: (214) [system] char_type(:, space)
   Call: (214) [system] char_type(:, cntrl)
   Fail: (214) [system] char_type(:, cntrl)
^  Fail: (213) [user] is_like_space(:)
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] get_char((0x55772f068e50), _515630)
   Exit: (212) [system] get_char((0x55772f068e50), :)
   Call: (212) [system] (:)='('
   Fail: (212) [system] (:)='('
   Call: (212) [system] (:)='['
   Fail: (212) [system] (:)='['
   Call: (212) [system] (:)='{'
   Fail: (212) [system] (:)='{'
   Call: (212) [system] (:)='"'
   Fail: (212) [system] (:)='"'
   Call: (212) [system] (:)=!
   Fail: (212) [system] (:)=!
   Call: (212) [system] (:)='\''
   Fail: (212) [system] (:)='\''
   Call: (212) [system] (:)='`'
   Fail: (212) [system] (:)='`'
   Call: (212) [system] (:)=end_of_file
   Fail: (212) [system] (:)=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x55772f068e50), :, _497762)
^  Call: (213) [user] read_symbolic_cont(')', (0x55772f068e50), _533272)
   Call: (214) [system] peek_char((0x55772f068e50), _534206)
   Exit: (214) [system] peek_char((0x55772f068e50), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _533272=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (213) [user] classify_and_convert_charseq([:], _497762)
^  Call: (214) [user] classify_and_convert_charseq_([:], _543490)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_544442, _544444), once(user:catch(read_from_chars([:], _543490), _544424, fail)), '$restore_trace'(_544442, _544444))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_544442, _544444))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _544424, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(:)
   Exit: (215) [system] atomic(:)
^  Exit: (214) [user] classify_and_convert_charseq_([:], :)
   Call: (214) [system] integer(:)
   Fail: (214) [system] integer(:)
   Call: (214) [system] _497762=(:)
   Exit: (214) [system] (:)=(:)
^  Exit: (213) [user] classify_and_convert_charseq([:], :)
^  Exit: (212) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (211) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (211) [user] read_list(')', (0x55772f068e50), _556570)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _558428)
   Exit: (213) [system] peek_char((0x55772f068e50), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x55772f068e50), _568022)
   Exit: (213) [system] get_char((0x55772f068e50), ' ')
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _570726)
   Exit: (214) [system] peek_char((0x55772f068e50), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _587660)
   Exit: (212) [system] peek_char((0x55772f068e50), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x55772f068e50), _593230)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _595088)
   Exit: (214) [system] peek_char((0x55772f068e50), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] get_char((0x55772f068e50), _611098)
   Exit: (213) [system] get_char((0x55772f068e50), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x55772f068e50), _593230)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _616668)
   Exit: (215) [system] peek_char((0x55772f068e50), 'D')
   Call: (215) [system] 'D'=(;)
   Fail: (215) [system] 'D'=(;)
   Call: (215) [system] 'D'=(/)
   Fail: (215) [system] 'D'=(/)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Fail: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Fail: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Fail: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
   Fail: (216) [system] char_type('D', cntrl)
^  Fail: (215) [user] is_like_space('D')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _632678)
   Exit: (214) [system] peek_char((0x55772f068e50), 'D')
   Call: (214) [system] 'D'=')'
   Fail: (214) [system] 'D'=')'
   Call: (214) [system] 'D'=end_of_file
   Fail: (214) [system] 'D'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _638248)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _640106)
   Exit: (216) [system] peek_char((0x55772f068e50), 'D')
   Call: (216) [system] 'D'=(;)
   Fail: (216) [system] 'D'=(;)
   Call: (216) [system] 'D'=(/)
   Fail: (216) [system] 'D'=(/)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Fail: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Fail: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Fail: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
   Fail: (217) [system] char_type('D', cntrl)
^  Fail: (216) [user] is_like_space('D')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _656116)
   Exit: (215) [system] get_char((0x55772f068e50), 'D')
   Call: (215) [system] 'D'='('
   Fail: (215) [system] 'D'='('
   Call: (215) [system] 'D'='['
   Fail: (215) [system] 'D'='['
   Call: (215) [system] 'D'='{'
   Fail: (215) [system] 'D'='{'
   Call: (215) [system] 'D'='"'
   Fail: (215) [system] 'D'='"'
   Call: (215) [system] 'D'=!
   Fail: (215) [system] 'D'=!
   Call: (215) [system] 'D'='\''
   Fail: (215) [system] 'D'='\''
   Call: (215) [system] 'D'='`'
   Fail: (215) [system] 'D'='`'
   Call: (215) [system] 'D'=end_of_file
   Fail: (215) [system] 'D'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x55772f068e50), 'D', _638248)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _673758)
   Call: (217) [system] peek_char((0x55772f068e50), _674692)
   Exit: (217) [system] peek_char((0x55772f068e50), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_679412, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_680344, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x55772f068e50), i)
   Exit: (217) [system] get_char((0x55772f068e50), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _687694)
   Call: (218) [system] peek_char((0x55772f068e50), _688628)
   Exit: (218) [system] peek_char((0x55772f068e50), s)
^  Call: (218) [user] is_delimiter(s)
   Call: (219) [system] char_type(s, space)
   Fail: (219) [system] char_type(s, space)
   Call: (219) [system] arg(_693348, v('(', ')', end_of_file), s)
   Fail: (219) [system] arg(_694280, v('(', ')', end_of_file), s)
^  Fail: (218) [user] is_delimiter(s)
   Call: (218) [system] ')'==s
   Fail: (218) [system] ')'==s
   Call: (218) [system] get_char((0x55772f068e50), s)
   Exit: (218) [system] get_char((0x55772f068e50), s)
   Call: (218) [system] s=(\)
   Fail: (218) [system] s=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _701630)
   Call: (219) [system] peek_char((0x55772f068e50), _702564)
   Exit: (219) [system] peek_char((0x55772f068e50), j)
^  Call: (219) [user] is_delimiter(j)
   Call: (220) [system] char_type(j, space)
   Fail: (220) [system] char_type(j, space)
   Call: (220) [system] arg(_707284, v('(', ')', end_of_file), j)
   Fail: (220) [system] arg(_708216, v('(', ')', end_of_file), j)
^  Fail: (219) [user] is_delimiter(j)
   Call: (219) [system] ')'==j
   Fail: (219) [system] ')'==j
   Call: (219) [system] get_char((0x55772f068e50), j)
   Exit: (219) [system] get_char((0x55772f068e50), j)
   Call: (219) [system] j=(\)
   Fail: (219) [system] j=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _715566)
   Call: (220) [system] peek_char((0x55772f068e50), _716500)
   Exit: (220) [system] peek_char((0x55772f068e50), u)
^  Call: (220) [user] is_delimiter(u)
   Call: (221) [system] char_type(u, space)
   Fail: (221) [system] char_type(u, space)
   Call: (221) [system] arg(_721220, v('(', ')', end_of_file), u)
   Fail: (221) [system] arg(_722152, v('(', ')', end_of_file), u)
^  Fail: (220) [user] is_delimiter(u)
   Call: (220) [system] ')'==u
   Fail: (220) [system] ')'==u
   Call: (220) [system] get_char((0x55772f068e50), u)
   Exit: (220) [system] get_char((0x55772f068e50), u)
   Call: (220) [system] u=(\)
   Fail: (220) [system] u=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _729502)
   Call: (221) [system] peek_char((0x55772f068e50), _730436)
   Exit: (221) [system] peek_char((0x55772f068e50), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_735156, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_736088, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x55772f068e50), n)
   Exit: (221) [system] get_char((0x55772f068e50), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _743438)
   Call: (222) [system] peek_char((0x55772f068e50), _744372)
   Exit: (222) [system] peek_char((0x55772f068e50), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_749092, v('(', ')', end_of_file), c)
   Fail: (223) [system] arg(_750024, v('(', ')', end_of_file), c)
^  Fail: (222) [user] is_delimiter(c)
   Call: (222) [system] ')'==c
   Fail: (222) [system] ')'==c
   Call: (222) [system] get_char((0x55772f068e50), c)
   Exit: (222) [system] get_char((0x55772f068e50), c)
   Call: (222) [system] c=(\)
   Fail: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _757374)
   Call: (223) [system] peek_char((0x55772f068e50), _758308)
   Exit: (223) [system] peek_char((0x55772f068e50), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Fail: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_763028, v('(', ')', end_of_file), t)
   Fail: (224) [system] arg(_763960, v('(', ')', end_of_file), t)
^  Fail: (223) [user] is_delimiter(t)
   Call: (223) [system] ')'==t
   Fail: (223) [system] ')'==t
   Call: (223) [system] get_char((0x55772f068e50), t)
   Exit: (223) [system] get_char((0x55772f068e50), t)
   Call: (223) [system] t=(\)
   Fail: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _771310)
   Call: (224) [system] peek_char((0x55772f068e50), _772244)
   Exit: (224) [system] peek_char((0x55772f068e50), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_776964, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_777896, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x55772f068e50), i)
   Exit: (224) [system] get_char((0x55772f068e50), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _785246)
   Call: (225) [system] peek_char((0x55772f068e50), _786180)
   Exit: (225) [system] peek_char((0x55772f068e50), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Fail: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_790900, v('(', ')', end_of_file), o)
   Fail: (226) [system] arg(_791832, v('(', ')', end_of_file), o)
^  Fail: (225) [user] is_delimiter(o)
   Call: (225) [system] ')'==o
   Fail: (225) [system] ')'==o
   Call: (225) [system] get_char((0x55772f068e50), o)
   Exit: (225) [system] get_char((0x55772f068e50), o)
   Call: (225) [system] o=(\)
   Fail: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _799182)
   Call: (226) [system] peek_char((0x55772f068e50), _800116)
   Exit: (226) [system] peek_char((0x55772f068e50), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_804836, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_805768, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x55772f068e50), n)
   Exit: (226) [system] get_char((0x55772f068e50), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _813118)
   Call: (227) [system] peek_char((0x55772f068e50), _814052)
   Exit: (227) [system] peek_char((0x55772f068e50), 'I')
^  Call: (227) [user] is_delimiter('I')
   Call: (228) [system] char_type('I', space)
   Fail: (228) [system] char_type('I', space)
   Call: (228) [system] arg(_818772, v('(', ')', end_of_file), 'I')
   Fail: (228) [system] arg(_819704, v('(', ')', end_of_file), 'I')
^  Fail: (227) [user] is_delimiter('I')
   Call: (227) [system] ')'=='I'
   Fail: (227) [system] ')'=='I'
   Call: (227) [system] get_char((0x55772f068e50), 'I')
   Exit: (227) [system] get_char((0x55772f068e50), 'I')
   Call: (227) [system] 'I'=(\)
   Fail: (227) [system] 'I'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _827054)
   Call: (228) [system] peek_char((0x55772f068e50), _827988)
   Exit: (228) [system] peek_char((0x55772f068e50), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_832708, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_833640, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x55772f068e50), n)
   Exit: (228) [system] get_char((0x55772f068e50), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _840990)
   Call: (229) [system] peek_char((0x55772f068e50), _841924)
   Exit: (229) [system] peek_char((0x55772f068e50), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_846644, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_847576, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x55772f068e50), t)
   Exit: (229) [system] get_char((0x55772f068e50), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _854926)
   Call: (230) [system] peek_char((0x55772f068e50), _855860)
   Exit: (230) [system] peek_char((0x55772f068e50), r)
^  Call: (230) [user] is_delimiter(r)
   Call: (231) [system] char_type(r, space)
   Fail: (231) [system] char_type(r, space)
   Call: (231) [system] arg(_860580, v('(', ')', end_of_file), r)
   Fail: (231) [system] arg(_861512, v('(', ')', end_of_file), r)
^  Fail: (230) [user] is_delimiter(r)
   Call: (230) [system] ')'==r
   Fail: (230) [system] ')'==r
   Call: (230) [system] get_char((0x55772f068e50), r)
   Exit: (230) [system] get_char((0x55772f068e50), r)
   Call: (230) [system] r=(\)
   Fail: (230) [system] r=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _868862)
   Call: (231) [system] peek_char((0x55772f068e50), _869796)
   Exit: (231) [system] peek_char((0x55772f068e50), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_874516, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_875448, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x55772f068e50), o)
   Exit: (231) [system] get_char((0x55772f068e50), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _882798)
   Call: (232) [system] peek_char((0x55772f068e50), _883732)
   Exit: (232) [system] peek_char((0x55772f068e50), d)
^  Call: (232) [user] is_delimiter(d)
   Call: (233) [system] char_type(d, space)
   Fail: (233) [system] char_type(d, space)
   Call: (233) [system] arg(_888452, v('(', ')', end_of_file), d)
   Fail: (233) [system] arg(_889384, v('(', ')', end_of_file), d)
^  Fail: (232) [user] is_delimiter(d)
   Call: (232) [system] ')'==d
   Fail: (232) [system] ')'==d
   Call: (232) [system] get_char((0x55772f068e50), d)
   Exit: (232) [system] get_char((0x55772f068e50), d)
   Call: (232) [system] d=(\)
   Fail: (232) [system] d=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _896734)
   Call: (233) [system] peek_char((0x55772f068e50), _897668)
   Exit: (233) [system] peek_char((0x55772f068e50), u)
^  Call: (233) [user] is_delimiter(u)
   Call: (234) [system] char_type(u, space)
   Fail: (234) [system] char_type(u, space)
   Call: (234) [system] arg(_902388, v('(', ')', end_of_file), u)
   Fail: (234) [system] arg(_903320, v('(', ')', end_of_file), u)
^  Fail: (233) [user] is_delimiter(u)
   Call: (233) [system] ')'==u
   Fail: (233) [system] ')'==u
   Call: (233) [system] get_char((0x55772f068e50), u)
   Exit: (233) [system] get_char((0x55772f068e50), u)
   Call: (233) [system] u=(\)
   Fail: (233) [system] u=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _910670)
   Call: (234) [system] peek_char((0x55772f068e50), _911604)
   Exit: (234) [system] peek_char((0x55772f068e50), c)
^  Call: (234) [user] is_delimiter(c)
   Call: (235) [system] char_type(c, space)
   Fail: (235) [system] char_type(c, space)
   Call: (235) [system] arg(_916324, v('(', ')', end_of_file), c)
   Fail: (235) [system] arg(_917256, v('(', ')', end_of_file), c)
^  Fail: (234) [user] is_delimiter(c)
   Call: (234) [system] ')'==c
   Fail: (234) [system] ')'==c
   Call: (234) [system] get_char((0x55772f068e50), c)
   Exit: (234) [system] get_char((0x55772f068e50), c)
   Call: (234) [system] c=(\)
   Fail: (234) [system] c=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _924606)
   Call: (235) [system] peek_char((0x55772f068e50), _925540)
   Exit: (235) [system] peek_char((0x55772f068e50), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Fail: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_930260, v('(', ')', end_of_file), t)
   Fail: (236) [system] arg(_931192, v('(', ')', end_of_file), t)
^  Fail: (235) [user] is_delimiter(t)
   Call: (235) [system] ')'==t
   Fail: (235) [system] ')'==t
   Call: (235) [system] get_char((0x55772f068e50), t)
   Exit: (235) [system] get_char((0x55772f068e50), t)
   Call: (235) [system] t=(\)
   Fail: (235) [system] t=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _938542)
   Call: (236) [system] peek_char((0x55772f068e50), _939476)
   Exit: (236) [system] peek_char((0x55772f068e50), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Fail: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_944196, v('(', ')', end_of_file), i)
   Fail: (237) [system] arg(_945128, v('(', ')', end_of_file), i)
^  Fail: (236) [user] is_delimiter(i)
   Call: (236) [system] ')'==i
   Fail: (236) [system] ')'==i
   Call: (236) [system] get_char((0x55772f068e50), i)
   Exit: (236) [system] get_char((0x55772f068e50), i)
   Call: (236) [system] i=(\)
   Fail: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _952478)
   Call: (237) [system] peek_char((0x55772f068e50), _953412)
   Exit: (237) [system] peek_char((0x55772f068e50), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Fail: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_958132, v('(', ')', end_of_file), o)
   Fail: (238) [system] arg(_959064, v('(', ')', end_of_file), o)
^  Fail: (237) [user] is_delimiter(o)
   Call: (237) [system] ')'==o
   Fail: (237) [system] ')'==o
   Call: (237) [system] get_char((0x55772f068e50), o)
   Exit: (237) [system] get_char((0x55772f068e50), o)
   Call: (237) [system] o=(\)
   Fail: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _966414)
   Call: (238) [system] peek_char((0x55772f068e50), _967348)
   Exit: (238) [system] peek_char((0x55772f068e50), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Fail: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_972068, v('(', ')', end_of_file), n)
   Fail: (239) [system] arg(_973000, v('(', ')', end_of_file), n)
^  Fail: (238) [user] is_delimiter(n)
   Call: (238) [system] ')'==n
   Fail: (238) [system] ')'==n
   Call: (238) [system] get_char((0x55772f068e50), n)
   Exit: (238) [system] get_char((0x55772f068e50), n)
   Call: (238) [system] n=(\)
   Fail: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _980350)
   Call: (239) [system] peek_char((0x55772f068e50), _981284)
   Exit: (239) [system] peek_char((0x55772f068e50), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _980350=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (238) [system] _966414=[n]
   Exit: (238) [system] [n]=[n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (237) [system] _952478=[o, n]
   Exit: (237) [system] [o, n]=[o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (236) [system] _938542=[i, o, n]
   Exit: (236) [system] [i, o, n]=[i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (235) [system] _924606=[t, i, o, n]
   Exit: (235) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (234) [system] _910670=[c, t, i, o, n]
   Exit: (234) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (233) [system] _896734=[u, c, t, i, o, n]
   Exit: (233) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (232) [system] _882798=[d, u, c, t, i, o, n]
   Exit: (232) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (231) [system] _868862=[o, d, u, c, t, i, o, n]
   Exit: (231) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (230) [system] _854926=[r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _840990=[t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _827054=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _813118=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _799182=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _785246=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _771310=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _757374=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _743438=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _729502=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _715566=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _701630=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _687694=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _673758=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (216) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _638248)
^  Call: (217) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1052036)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1052988, _1052990), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1052036), _1052970, fail)), '$restore_trace'(_1052988, _1052990))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1052988, _1052990))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1052036), _1052970, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1052036)
   Fail: (218) [system] atomic(_1052036)
   Call: (218) [system] atom_chars(_1052036, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (218) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (217) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (217) [system] integer('DisjunctionIntroduction')
   Fail: (217) [system] integer('DisjunctionIntroduction')
   Call: (217) [system] _638248='DisjunctionIntroduction'
   Exit: (217) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (216) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (215) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (214) [user] read_list(')', (0x55772f068e50), _1066986)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1068844)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x55772f068e50), _1078438)
   Exit: (216) [system] get_char((0x55772f068e50), ' ')
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1081142)
   Exit: (217) [system] peek_char((0x55772f068e50), a)
   Call: (217) [system] a=(;)
   Fail: (217) [system] a=(;)
   Call: (217) [system] a=(/)
   Fail: (217) [system] a=(/)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Fail: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Fail: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
   Fail: (218) [system] char_type(a, cntrl)
^  Fail: (217) [user] is_like_space(a)
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1098076)
   Exit: (215) [system] peek_char((0x55772f068e50), a)
   Call: (215) [system] a=')'
   Fail: (215) [system] a=')'
   Call: (215) [system] a=end_of_file
   Fail: (215) [system] a=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x55772f068e50), _1103646)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1105504)
   Exit: (217) [system] peek_char((0x55772f068e50), a)
   Call: (217) [system] a=(;)
   Fail: (217) [system] a=(;)
   Call: (217) [system] a=(/)
   Fail: (217) [system] a=(/)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Fail: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Fail: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
   Fail: (218) [system] char_type(a, cntrl)
^  Fail: (217) [user] is_like_space(a)
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] get_char((0x55772f068e50), _1121514)
   Exit: (216) [system] get_char((0x55772f068e50), a)
   Call: (216) [system] a='('
   Fail: (216) [system] a='('
   Call: (216) [system] a='['
   Fail: (216) [system] a='['
   Call: (216) [system] a='{'
   Fail: (216) [system] a='{'
   Call: (216) [system] a='"'
   Fail: (216) [system] a='"'
   Call: (216) [system] a=!
   Fail: (216) [system] a=!
   Call: (216) [system] a='\''
   Fail: (216) [system] a='\''
   Call: (216) [system] a='`'
   Fail: (216) [system] a='`'
   Call: (216) [system] a=end_of_file
   Fail: (216) [system] a=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x55772f068e50), a, _1103646)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _1139156)
   Call: (218) [system] peek_char((0x55772f068e50), _1140090)
   Exit: (218) [system] peek_char((0x55772f068e50), b)
^  Call: (218) [user] is_delimiter(b)
   Call: (219) [system] char_type(b, space)
   Fail: (219) [system] char_type(b, space)
   Call: (219) [system] arg(_1144810, v('(', ')', end_of_file), b)
   Fail: (219) [system] arg(_1145742, v('(', ')', end_of_file), b)
^  Fail: (218) [user] is_delimiter(b)
   Call: (218) [system] ')'==b
   Fail: (218) [system] ')'==b
   Call: (218) [system] get_char((0x55772f068e50), b)
   Exit: (218) [system] get_char((0x55772f068e50), b)
   Call: (218) [system] b=(\)
   Fail: (218) [system] b=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1153092)
   Call: (219) [system] peek_char((0x55772f068e50), _1154026)
   Exit: (219) [system] peek_char((0x55772f068e50), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_1158746, v('(', ')', end_of_file), c)
   Fail: (220) [system] arg(_1159678, v('(', ')', end_of_file), c)
^  Fail: (219) [user] is_delimiter(c)
   Call: (219) [system] ')'==c
   Fail: (219) [system] ')'==c
   Call: (219) [system] get_char((0x55772f068e50), c)
   Exit: (219) [system] get_char((0x55772f068e50), c)
   Call: (219) [system] c=(\)
   Fail: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1167028)
   Call: (220) [system] peek_char((0x55772f068e50), _1167962)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _1167028=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (219) [system] _1153092=[c]
   Exit: (219) [system] [c]=[c]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (218) [system] _1139156=[b, c]
   Exit: (218) [system] [b, c]=[b, c]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (217) [user] classify_and_convert_charseq([a, b, c], _1103646)
^  Call: (218) [user] classify_and_convert_charseq_([a, b, c], _1182834)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1183786, _1183788), once(user:catch(read_from_chars([a, b, c], _1182834), _1183768, fail)), '$restore_trace'(_1183786, _1183788))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1183786, _1183788))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1183768, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(abc)
   Exit: (219) [system] atomic(abc)
^  Exit: (218) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (218) [system] integer(abc)
   Fail: (218) [system] integer(abc)
   Call: (218) [system] _1103646=abc
   Exit: (218) [system] abc=abc
^  Exit: (217) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (216) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (215) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (215) [user] read_list(')', (0x55772f068e50), _1195914)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1197772)
   Exit: (217) [system] peek_char((0x55772f068e50), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x55772f068e50), _1207366)
   Exit: (217) [system] get_char((0x55772f068e50), ' ')
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1210070)
   Exit: (218) [system] peek_char((0x55772f068e50), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1227004)
   Exit: (216) [system] peek_char((0x55772f068e50), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x55772f068e50), _1232574)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1234432)
   Exit: (218) [system] peek_char((0x55772f068e50), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] get_char((0x55772f068e50), _1250442)
   Exit: (217) [system] get_char((0x55772f068e50), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x55772f068e50), _1232574)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1256012)
   Exit: (219) [system] peek_char((0x55772f068e50), 'D')
   Call: (219) [system] 'D'=(;)
   Fail: (219) [system] 'D'=(;)
   Call: (219) [system] 'D'=(/)
   Fail: (219) [system] 'D'=(/)
^  Call: (219) [user] is_like_space('D')
   Call: (220) [system] char_type('D', 'white')
   Fail: (220) [system] char_type('D', 'white')
   Call: (220) [system] char_type('D', end_of_line)
   Fail: (220) [system] char_type('D', end_of_line)
   Call: (220) [system] char_type('D', space)
   Fail: (220) [system] char_type('D', space)
   Call: (220) [system] char_type('D', cntrl)
   Fail: (220) [system] char_type('D', cntrl)
^  Fail: (219) [user] is_like_space('D')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1272022)
   Exit: (218) [system] peek_char((0x55772f068e50), 'D')
   Call: (218) [system] 'D'=')'
   Fail: (218) [system] 'D'=')'
   Call: (218) [system] 'D'=end_of_file
   Fail: (218) [system] 'D'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _1277592)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1279450)
   Exit: (220) [system] peek_char((0x55772f068e50), 'D')
   Call: (220) [system] 'D'=(;)
   Fail: (220) [system] 'D'=(;)
   Call: (220) [system] 'D'=(/)
   Fail: (220) [system] 'D'=(/)
^  Call: (220) [user] is_like_space('D')
   Call: (221) [system] char_type('D', 'white')
   Fail: (221) [system] char_type('D', 'white')
   Call: (221) [system] char_type('D', end_of_line)
   Fail: (221) [system] char_type('D', end_of_line)
   Call: (221) [system] char_type('D', space)
   Fail: (221) [system] char_type('D', space)
   Call: (221) [system] char_type('D', cntrl)
   Fail: (221) [system] char_type('D', cntrl)
^  Fail: (220) [user] is_like_space('D')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _1295460)
   Exit: (219) [system] get_char((0x55772f068e50), 'D')
   Call: (219) [system] 'D'='('
   Fail: (219) [system] 'D'='('
   Call: (219) [system] 'D'='['
   Fail: (219) [system] 'D'='['
   Call: (219) [system] 'D'='{'
   Fail: (219) [system] 'D'='{'
   Call: (219) [system] 'D'='"'
   Fail: (219) [system] 'D'='"'
   Call: (219) [system] 'D'=!
   Fail: (219) [system] 'D'=!
   Call: (219) [system] 'D'='\''
   Fail: (219) [system] 'D'='\''
   Call: (219) [system] 'D'='`'
   Fail: (219) [system] 'D'='`'
   Call: (219) [system] 'D'=end_of_file
   Fail: (219) [system] 'D'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x55772f068e50), 'D', _1277592)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1313102)
   Call: (221) [system] peek_char((0x55772f068e50), _1314036)
   Exit: (221) [system] peek_char((0x55772f068e50), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1318756, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1319688, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x55772f068e50), i)
   Exit: (221) [system] get_char((0x55772f068e50), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1327038)
   Call: (222) [system] peek_char((0x55772f068e50), _1327972)
   Exit: (222) [system] peek_char((0x55772f068e50), s)
^  Call: (222) [user] is_delimiter(s)
   Call: (223) [system] char_type(s, space)
   Fail: (223) [system] char_type(s, space)
   Call: (223) [system] arg(_1332692, v('(', ')', end_of_file), s)
   Fail: (223) [system] arg(_1333624, v('(', ')', end_of_file), s)
^  Fail: (222) [user] is_delimiter(s)
   Call: (222) [system] ')'==s
   Fail: (222) [system] ')'==s
   Call: (222) [system] get_char((0x55772f068e50), s)
   Exit: (222) [system] get_char((0x55772f068e50), s)
   Call: (222) [system] s=(\)
   Fail: (222) [system] s=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1340974)
   Call: (223) [system] peek_char((0x55772f068e50), _1341908)
   Exit: (223) [system] peek_char((0x55772f068e50), j)
^  Call: (223) [user] is_delimiter(j)
   Call: (224) [system] char_type(j, space)
   Fail: (224) [system] char_type(j, space)
   Call: (224) [system] arg(_1346628, v('(', ')', end_of_file), j)
   Fail: (224) [system] arg(_1347560, v('(', ')', end_of_file), j)
^  Fail: (223) [user] is_delimiter(j)
   Call: (223) [system] ')'==j
   Fail: (223) [system] ')'==j
   Call: (223) [system] get_char((0x55772f068e50), j)
   Exit: (223) [system] get_char((0x55772f068e50), j)
   Call: (223) [system] j=(\)
   Fail: (223) [system] j=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1354910)
   Call: (224) [system] peek_char((0x55772f068e50), _1355844)
   Exit: (224) [system] peek_char((0x55772f068e50), u)
^  Call: (224) [user] is_delimiter(u)
   Call: (225) [system] char_type(u, space)
   Fail: (225) [system] char_type(u, space)
   Call: (225) [system] arg(_1360564, v('(', ')', end_of_file), u)
   Fail: (225) [system] arg(_1361496, v('(', ')', end_of_file), u)
^  Fail: (224) [user] is_delimiter(u)
   Call: (224) [system] ')'==u
   Fail: (224) [system] ')'==u
   Call: (224) [system] get_char((0x55772f068e50), u)
   Exit: (224) [system] get_char((0x55772f068e50), u)
   Call: (224) [system] u=(\)
   Fail: (224) [system] u=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1368846)
   Call: (225) [system] peek_char((0x55772f068e50), _1369780)
   Exit: (225) [system] peek_char((0x55772f068e50), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1374500, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_1375432, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x55772f068e50), n)
   Exit: (225) [system] get_char((0x55772f068e50), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1382782)
   Call: (226) [system] peek_char((0x55772f068e50), _1383716)
   Exit: (226) [system] peek_char((0x55772f068e50), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_1388436, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_1389368, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x55772f068e50), c)
   Exit: (226) [system] get_char((0x55772f068e50), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1396718)
   Call: (227) [system] peek_char((0x55772f068e50), _1397652)
   Exit: (227) [system] peek_char((0x55772f068e50), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_1402372, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_1403304, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x55772f068e50), t)
   Exit: (227) [system] get_char((0x55772f068e50), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1410654)
   Call: (228) [system] peek_char((0x55772f068e50), _1411588)
   Exit: (228) [system] peek_char((0x55772f068e50), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1416308, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_1417240, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x55772f068e50), i)
   Exit: (228) [system] get_char((0x55772f068e50), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1424590)
   Call: (229) [system] peek_char((0x55772f068e50), _1425524)
   Exit: (229) [system] peek_char((0x55772f068e50), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_1430244, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_1431176, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x55772f068e50), o)
   Exit: (229) [system] get_char((0x55772f068e50), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1438526)
   Call: (230) [system] peek_char((0x55772f068e50), _1439460)
   Exit: (230) [system] peek_char((0x55772f068e50), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1444180, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1445112, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x55772f068e50), n)
   Exit: (230) [system] get_char((0x55772f068e50), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1452462)
   Call: (231) [system] peek_char((0x55772f068e50), _1453396)
   Exit: (231) [system] peek_char((0x55772f068e50), 'I')
^  Call: (231) [user] is_delimiter('I')
   Call: (232) [system] char_type('I', space)
   Fail: (232) [system] char_type('I', space)
   Call: (232) [system] arg(_1458116, v('(', ')', end_of_file), 'I')
   Fail: (232) [system] arg(_1459048, v('(', ')', end_of_file), 'I')
^  Fail: (231) [user] is_delimiter('I')
   Call: (231) [system] ')'=='I'
   Fail: (231) [system] ')'=='I'
   Call: (231) [system] get_char((0x55772f068e50), 'I')
   Exit: (231) [system] get_char((0x55772f068e50), 'I')
   Call: (231) [system] 'I'=(\)
   Fail: (231) [system] 'I'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1466398)
   Call: (232) [system] peek_char((0x55772f068e50), _1467332)
   Exit: (232) [system] peek_char((0x55772f068e50), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_1472052, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_1472984, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x55772f068e50), n)
   Exit: (232) [system] get_char((0x55772f068e50), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1480334)
   Call: (233) [system] peek_char((0x55772f068e50), _1481268)
   Exit: (233) [system] peek_char((0x55772f068e50), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Fail: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_1485988, v('(', ')', end_of_file), t)
   Fail: (234) [system] arg(_1486920, v('(', ')', end_of_file), t)
^  Fail: (233) [user] is_delimiter(t)
   Call: (233) [system] ')'==t
   Fail: (233) [system] ')'==t
   Call: (233) [system] get_char((0x55772f068e50), t)
   Exit: (233) [system] get_char((0x55772f068e50), t)
   Call: (233) [system] t=(\)
   Fail: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1494270)
   Call: (234) [system] peek_char((0x55772f068e50), _1495204)
   Exit: (234) [system] peek_char((0x55772f068e50), r)
^  Call: (234) [user] is_delimiter(r)
   Call: (235) [system] char_type(r, space)
   Fail: (235) [system] char_type(r, space)
   Call: (235) [system] arg(_1499924, v('(', ')', end_of_file), r)
   Fail: (235) [system] arg(_1500856, v('(', ')', end_of_file), r)
^  Fail: (234) [user] is_delimiter(r)
   Call: (234) [system] ')'==r
   Fail: (234) [system] ')'==r
   Call: (234) [system] get_char((0x55772f068e50), r)
   Exit: (234) [system] get_char((0x55772f068e50), r)
   Call: (234) [system] r=(\)
   Fail: (234) [system] r=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1508206)
   Call: (235) [system] peek_char((0x55772f068e50), _1509140)
   Exit: (235) [system] peek_char((0x55772f068e50), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Fail: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_1513860, v('(', ')', end_of_file), o)
   Fail: (236) [system] arg(_1514792, v('(', ')', end_of_file), o)
^  Fail: (235) [user] is_delimiter(o)
   Call: (235) [system] ')'==o
   Fail: (235) [system] ')'==o
   Call: (235) [system] get_char((0x55772f068e50), o)
   Exit: (235) [system] get_char((0x55772f068e50), o)
   Call: (235) [system] o=(\)
   Fail: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1522142)
   Call: (236) [system] peek_char((0x55772f068e50), _1523076)
   Exit: (236) [system] peek_char((0x55772f068e50), d)
^  Call: (236) [user] is_delimiter(d)
   Call: (237) [system] char_type(d, space)
   Fail: (237) [system] char_type(d, space)
   Call: (237) [system] arg(_1527796, v('(', ')', end_of_file), d)
   Fail: (237) [system] arg(_1528728, v('(', ')', end_of_file), d)
^  Fail: (236) [user] is_delimiter(d)
   Call: (236) [system] ')'==d
   Fail: (236) [system] ')'==d
   Call: (236) [system] get_char((0x55772f068e50), d)
   Exit: (236) [system] get_char((0x55772f068e50), d)
   Call: (236) [system] d=(\)
   Fail: (236) [system] d=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1536078)
   Call: (237) [system] peek_char((0x55772f068e50), _1537012)
   Exit: (237) [system] peek_char((0x55772f068e50), u)
^  Call: (237) [user] is_delimiter(u)
   Call: (238) [system] char_type(u, space)
   Fail: (238) [system] char_type(u, space)
   Call: (238) [system] arg(_1541732, v('(', ')', end_of_file), u)
   Fail: (238) [system] arg(_1542664, v('(', ')', end_of_file), u)
^  Fail: (237) [user] is_delimiter(u)
   Call: (237) [system] ')'==u
   Fail: (237) [system] ')'==u
   Call: (237) [system] get_char((0x55772f068e50), u)
   Exit: (237) [system] get_char((0x55772f068e50), u)
   Call: (237) [system] u=(\)
   Fail: (237) [system] u=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _1550014)
   Call: (238) [system] peek_char((0x55772f068e50), _1550948)
   Exit: (238) [system] peek_char((0x55772f068e50), c)
^  Call: (238) [user] is_delimiter(c)
   Call: (239) [system] char_type(c, space)
   Fail: (239) [system] char_type(c, space)
   Call: (239) [system] arg(_1555668, v('(', ')', end_of_file), c)
   Fail: (239) [system] arg(_1556600, v('(', ')', end_of_file), c)
^  Fail: (238) [user] is_delimiter(c)
   Call: (238) [system] ')'==c
   Fail: (238) [system] ')'==c
   Call: (238) [system] get_char((0x55772f068e50), c)
   Exit: (238) [system] get_char((0x55772f068e50), c)
   Call: (238) [system] c=(\)
   Fail: (238) [system] c=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _1563950)
   Call: (239) [system] peek_char((0x55772f068e50), _1564884)
   Exit: (239) [system] peek_char((0x55772f068e50), t)
^  Call: (239) [user] is_delimiter(t)
   Call: (240) [system] char_type(t, space)
   Fail: (240) [system] char_type(t, space)
   Call: (240) [system] arg(_1569604, v('(', ')', end_of_file), t)
   Fail: (240) [system] arg(_1570536, v('(', ')', end_of_file), t)
^  Fail: (239) [user] is_delimiter(t)
   Call: (239) [system] ')'==t
   Fail: (239) [system] ')'==t
   Call: (239) [system] get_char((0x55772f068e50), t)
   Exit: (239) [system] get_char((0x55772f068e50), t)
   Call: (239) [system] t=(\)
   Fail: (239) [system] t=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _1577886)
   Call: (240) [system] peek_char((0x55772f068e50), _1578820)
   Exit: (240) [system] peek_char((0x55772f068e50), i)
^  Call: (240) [user] is_delimiter(i)
   Call: (241) [system] char_type(i, space)
   Fail: (241) [system] char_type(i, space)
   Call: (241) [system] arg(_1583540, v('(', ')', end_of_file), i)
   Fail: (241) [system] arg(_1584472, v('(', ')', end_of_file), i)
^  Fail: (240) [user] is_delimiter(i)
   Call: (240) [system] ')'==i
   Fail: (240) [system] ')'==i
   Call: (240) [system] get_char((0x55772f068e50), i)
   Exit: (240) [system] get_char((0x55772f068e50), i)
   Call: (240) [system] i=(\)
   Fail: (240) [system] i=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _1591822)
   Call: (241) [system] peek_char((0x55772f068e50), _1592756)
   Exit: (241) [system] peek_char((0x55772f068e50), o)
^  Call: (241) [user] is_delimiter(o)
   Call: (242) [system] char_type(o, space)
   Fail: (242) [system] char_type(o, space)
   Call: (242) [system] arg(_1597476, v('(', ')', end_of_file), o)
   Fail: (242) [system] arg(_1598408, v('(', ')', end_of_file), o)
^  Fail: (241) [user] is_delimiter(o)
   Call: (241) [system] ')'==o
   Fail: (241) [system] ')'==o
   Call: (241) [system] get_char((0x55772f068e50), o)
   Exit: (241) [system] get_char((0x55772f068e50), o)
   Call: (241) [system] o=(\)
   Fail: (241) [system] o=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x55772f068e50), _1605758)
   Call: (242) [system] peek_char((0x55772f068e50), _1606692)
   Exit: (242) [system] peek_char((0x55772f068e50), n)
^  Call: (242) [user] is_delimiter(n)
   Call: (243) [system] char_type(n, space)
   Fail: (243) [system] char_type(n, space)
   Call: (243) [system] arg(_1611412, v('(', ')', end_of_file), n)
   Fail: (243) [system] arg(_1612344, v('(', ')', end_of_file), n)
^  Fail: (242) [user] is_delimiter(n)
   Call: (242) [system] ')'==n
   Fail: (242) [system] ')'==n
   Call: (242) [system] get_char((0x55772f068e50), n)
   Exit: (242) [system] get_char((0x55772f068e50), n)
   Call: (242) [system] n=(\)
   Fail: (242) [system] n=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x55772f068e50), _1619694)
   Call: (243) [system] peek_char((0x55772f068e50), _1620628)
   Exit: (243) [system] peek_char((0x55772f068e50), ' ')
^  Call: (243) [user] is_delimiter(' ')
   Call: (244) [system] char_type(' ', space)
   Exit: (244) [system] char_type(' ', space)
^  Exit: (243) [user] is_delimiter(' ')
   Call: (243) [system] _1619694=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (242) [system] _1605758=[n]
   Exit: (242) [system] [n]=[n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (241) [system] _1591822=[o, n]
   Exit: (241) [system] [o, n]=[o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (240) [system] _1577886=[i, o, n]
   Exit: (240) [system] [i, o, n]=[i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (239) [system] _1563950=[t, i, o, n]
   Exit: (239) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (238) [system] _1550014=[c, t, i, o, n]
   Exit: (238) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (237) [system] _1536078=[u, c, t, i, o, n]
   Exit: (237) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (236) [system] _1522142=[d, u, c, t, i, o, n]
   Exit: (236) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (235) [system] _1508206=[o, d, u, c, t, i, o, n]
   Exit: (235) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (234) [system] _1494270=[r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1480334=[t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1466398=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1452462=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1438526=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1424590=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1410654=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1396718=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1382782=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1368846=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1354910=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1340974=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1327038=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1313102=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (220) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1277592)
^  Call: (221) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1691380)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_1692332, _1692334), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1691380), _1692314, fail)), '$restore_trace'(_1692332, _1692334))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_1692332, _1692334))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1691380), _1692314, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_1691380)
   Fail: (222) [system] atomic(_1691380)
   Call: (222) [system] atom_chars(_1691380, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (222) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (221) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (221) [system] integer('DisjunctionIntroduction')
   Fail: (221) [system] integer('DisjunctionIntroduction')
   Call: (221) [system] _1277592='DisjunctionIntroduction'
   Exit: (221) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (220) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (219) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (218) [user] read_list(')', (0x55772f068e50), _1706330)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1708188)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x55772f068e50), _1717782)
   Exit: (220) [system] get_char((0x55772f068e50), ' ')
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1720486)
   Exit: (221) [system] peek_char((0x55772f068e50), a)
   Call: (221) [system] a=(;)
   Fail: (221) [system] a=(;)
   Call: (221) [system] a=(/)
   Fail: (221) [system] a=(/)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Fail: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Fail: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
   Fail: (222) [system] char_type(a, cntrl)
^  Fail: (221) [user] is_like_space(a)
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1737420)
   Exit: (219) [system] peek_char((0x55772f068e50), a)
   Call: (219) [system] a=')'
   Fail: (219) [system] a=')'
   Call: (219) [system] a=end_of_file
   Fail: (219) [system] a=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _1742990)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1744848)
   Exit: (221) [system] peek_char((0x55772f068e50), a)
   Call: (221) [system] a=(;)
   Fail: (221) [system] a=(;)
   Call: (221) [system] a=(/)
   Fail: (221) [system] a=(/)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Fail: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Fail: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
   Fail: (222) [system] char_type(a, cntrl)
^  Fail: (221) [user] is_like_space(a)
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _1760858)
   Exit: (220) [system] get_char((0x55772f068e50), a)
   Call: (220) [system] a='('
   Fail: (220) [system] a='('
   Call: (220) [system] a='['
   Fail: (220) [system] a='['
   Call: (220) [system] a='{'
   Fail: (220) [system] a='{'
   Call: (220) [system] a='"'
   Fail: (220) [system] a='"'
   Call: (220) [system] a=!
   Fail: (220) [system] a=!
   Call: (220) [system] a='\''
   Fail: (220) [system] a='\''
   Call: (220) [system] a='`'
   Fail: (220) [system] a='`'
   Call: (220) [system] a=end_of_file
   Fail: (220) [system] a=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x55772f068e50), a, _1742990)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1778500)
   Call: (222) [system] peek_char((0x55772f068e50), _1779434)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _1778500=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (221) [user] classify_and_convert_charseq([a], _1742990)
^  Call: (222) [user] classify_and_convert_charseq_([a], _1788718)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1789670, _1789672), once(user:catch(read_from_chars([a], _1788718), _1789652, fail)), '$restore_trace'(_1789670, _1789672))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1789670, _1789672))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1789652, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(a)
   Exit: (223) [system] atomic(a)
^  Exit: (222) [user] classify_and_convert_charseq_([a], a)
   Call: (222) [system] integer(a)
   Fail: (222) [system] integer(a)
   Call: (222) [system] _1742990=a
   Exit: (222) [system] a=a
^  Exit: (221) [user] classify_and_convert_charseq([a], a)
^  Exit: (220) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (219) [user] read_list(')', (0x55772f068e50), _1801798)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1803656)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x55772f068e50), _1813250)
   Exit: (221) [system] get_char((0x55772f068e50), ' ')
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1815954)
   Exit: (222) [system] peek_char((0x55772f068e50), c)
   Call: (222) [system] c=(;)
   Fail: (222) [system] c=(;)
   Call: (222) [system] c=(/)
   Fail: (222) [system] c=(/)
^  Call: (222) [user] is_like_space(c)
   Call: (223) [system] char_type(c, 'white')
   Fail: (223) [system] char_type(c, 'white')
   Call: (223) [system] char_type(c, end_of_line)
   Fail: (223) [system] char_type(c, end_of_line)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] char_type(c, cntrl)
   Fail: (223) [system] char_type(c, cntrl)
^  Fail: (222) [user] is_like_space(c)
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1832888)
   Exit: (220) [system] peek_char((0x55772f068e50), c)
   Call: (220) [system] c=')'
   Fail: (220) [system] c=')'
   Call: (220) [system] c=end_of_file
   Fail: (220) [system] c=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _1838458)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1840316)
   Exit: (222) [system] peek_char((0x55772f068e50), c)
   Call: (222) [system] c=(;)
   Fail: (222) [system] c=(;)
   Call: (222) [system] c=(/)
   Fail: (222) [system] c=(/)
^  Call: (222) [user] is_like_space(c)
   Call: (223) [system] char_type(c, 'white')
   Fail: (223) [system] char_type(c, 'white')
   Call: (223) [system] char_type(c, end_of_line)
   Fail: (223) [system] char_type(c, end_of_line)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] char_type(c, cntrl)
   Fail: (223) [system] char_type(c, cntrl)
^  Fail: (222) [user] is_like_space(c)
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _1856326)
   Exit: (221) [system] get_char((0x55772f068e50), c)
   Call: (221) [system] c='('
   Fail: (221) [system] c='('
   Call: (221) [system] c='['
   Fail: (221) [system] c='['
   Call: (221) [system] c='{'
   Fail: (221) [system] c='{'
   Call: (221) [system] c='"'
   Fail: (221) [system] c='"'
   Call: (221) [system] c=!
   Fail: (221) [system] c=!
   Call: (221) [system] c='\''
   Fail: (221) [system] c='\''
   Call: (221) [system] c='`'
   Fail: (221) [system] c='`'
   Call: (221) [system] c=end_of_file
   Fail: (221) [system] c=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x55772f068e50), c, _1838458)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1873968)
   Call: (223) [system] peek_char((0x55772f068e50), _1874902)
   Exit: (223) [system] peek_char((0x55772f068e50), d)
^  Call: (223) [user] is_delimiter(d)
   Call: (224) [system] char_type(d, space)
   Fail: (224) [system] char_type(d, space)
   Call: (224) [system] arg(_1879622, v('(', ')', end_of_file), d)
   Fail: (224) [system] arg(_1880554, v('(', ')', end_of_file), d)
^  Fail: (223) [user] is_delimiter(d)
   Call: (223) [system] ')'==d
   Fail: (223) [system] ')'==d
   Call: (223) [system] get_char((0x55772f068e50), d)
   Exit: (223) [system] get_char((0x55772f068e50), d)
   Call: (223) [system] d=(\)
   Fail: (223) [system] d=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1887904)
   Call: (224) [system] peek_char((0x55772f068e50), _1888838)
   Exit: (224) [system] peek_char((0x55772f068e50), e)
^  Call: (224) [user] is_delimiter(e)
   Call: (225) [system] char_type(e, space)
   Fail: (225) [system] char_type(e, space)
   Call: (225) [system] arg(_1893558, v('(', ')', end_of_file), e)
   Fail: (225) [system] arg(_1894490, v('(', ')', end_of_file), e)
^  Fail: (224) [user] is_delimiter(e)
   Call: (224) [system] ')'==e
   Fail: (224) [system] ')'==e
   Call: (224) [system] get_char((0x55772f068e50), e)
   Exit: (224) [system] get_char((0x55772f068e50), e)
   Call: (224) [system] e=(\)
   Fail: (224) [system] e=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1901840)
   Call: (225) [system] peek_char((0x55772f068e50), _1902774)
   Exit: (225) [system] peek_char((0x55772f068e50), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_1907494, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _1901840=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (224) [system] _1887904=[e]
   Exit: (224) [system] [e]=[e]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (223) [system] _1873968=[d, e]
   Exit: (223) [system] [d, e]=[d, e]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [d, e])
^  Call: (222) [user] classify_and_convert_charseq([c, d, e], _1838458)
^  Call: (223) [user] classify_and_convert_charseq_([c, d, e], _1919518)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1920470, _1920472), once(user:catch(read_from_chars([c, d, e], _1919518), _1920452, fail)), '$restore_trace'(_1920470, _1920472))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1920470, _1920472))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1920452, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(cde)
   Exit: (224) [system] atomic(cde)
^  Exit: (223) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (223) [system] integer(cde)
   Fail: (223) [system] integer(cde)
   Call: (223) [system] _1838458=cde
   Exit: (223) [system] cde=cde
^  Exit: (222) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (221) [user] read_symbolic(')', (0x55772f068e50), c, cde)
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), cde)
^  Call: (220) [user] read_list(')', (0x55772f068e50), _1932598)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1934456)
   Exit: (222) [system] peek_char((0x55772f068e50), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
   Call: (222) [system] ')'=(/)
   Fail: (222) [system] ')'=(/)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1950466)
   Exit: (221) [system] peek_char((0x55772f068e50), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x55772f068e50), _1954256)
   Exit: (221) [system] get_char((0x55772f068e50), ')')
   Call: (221) [system] _1932598=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x55772f068e50), [])
   Call: (220) [system] _1801798=[cde]
   Exit: (220) [system] [cde]=[cde]
^  Exit: (219) [user] read_list(')', (0x55772f068e50), [cde])
   Call: (219) [system] _1706330=[a, cde]
   Exit: (219) [system] [a, cde]=[a, cde]
^  Exit: (218) [user] read_list(')', (0x55772f068e50), [a, cde])
   Call: (218) [system] _1232574=['DisjunctionIntroduction', a, cde]
   Exit: (218) [system] ['DisjunctionIntroduction', a, cde]=['DisjunctionIntroduction', a, cde]
^  Exit: (217) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', a, cde])
^  Exit: (216) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', a, cde])
^  Call: (216) [user] read_list(')', (0x55772f068e50), _1968138)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1969996)
   Exit: (218) [system] peek_char((0x55772f068e50), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
   Call: (218) [system] ')'=(/)
   Fail: (218) [system] ')'=(/)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1986006)
   Exit: (217) [system] peek_char((0x55772f068e50), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x55772f068e50), _1989796)
   Exit: (217) [system] get_char((0x55772f068e50), ')')
   Call: (217) [system] _1968138=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x55772f068e50), [])
   Call: (216) [system] _1195914=[['DisjunctionIntroduction', a, cde]]
   Exit: (216) [system] [['DisjunctionIntroduction', a, cde]]=[['DisjunctionIntroduction', a, cde]]
^  Exit: (215) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', a, cde]])
   Call: (215) [system] _1066986=[abc, ['DisjunctionIntroduction', a, cde]]
   Exit: (215) [system] [abc, ['DisjunctionIntroduction', a, cde]]=[abc, ['DisjunctionIntroduction', a, cde]]
^  Exit: (214) [user] read_list(')', (0x55772f068e50), [abc, ['DisjunctionIntroduction', a, cde]])
   Call: (214) [system] _593230=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]]
   Exit: (214) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]]
^  Exit: (213) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]])
^  Exit: (212) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]])
^  Call: (212) [user] read_list(')', (0x55772f068e50), _2003678)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _2005536)
   Exit: (214) [system] peek_char((0x55772f068e50), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x55772f068e50), _2015130)
   Exit: (214) [system] get_char((0x55772f068e50), ' ')
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _2017834)
   Exit: (215) [system] peek_char((0x55772f068e50), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _2034768)
   Exit: (213) [system] peek_char((0x55772f068e50), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _2040338)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _2042196)
   Exit: (215) [system] peek_char((0x55772f068e50), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _2058206)
   Exit: (214) [system] get_char((0x55772f068e50), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x55772f068e50), _2040338)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _2063776)
   Exit: (216) [system] peek_char((0x55772f068e50), 'O')
   Call: (216) [system] 'O'=(;)
   Fail: (216) [system] 'O'=(;)
   Call: (216) [system] 'O'=(/)
   Fail: (216) [system] 'O'=(/)
^  Call: (216) [user] is_like_space('O')
   Call: (217) [system] char_type('O', 'white')
   Fail: (217) [system] char_type('O', 'white')
   Call: (217) [system] char_type('O', end_of_line)
   Fail: (217) [system] char_type('O', end_of_line)
   Call: (217) [system] char_type('O', space)
   Fail: (217) [system] char_type('O', space)
   Call: (217) [system] char_type('O', cntrl)
   Fail: (217) [system] char_type('O', cntrl)
^  Fail: (216) [user] is_like_space('O')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _2079786)
   Exit: (215) [system] peek_char((0x55772f068e50), 'O')
   Call: (215) [system] 'O'=')'
   Fail: (215) [system] 'O'=')'
   Call: (215) [system] 'O'=end_of_file
   Fail: (215) [system] 'O'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x55772f068e50), _2085356)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _2087214)
   Exit: (217) [system] peek_char((0x55772f068e50), 'O')
   Call: (217) [system] 'O'=(;)
   Fail: (217) [system] 'O'=(;)
   Call: (217) [system] 'O'=(/)
   Fail: (217) [system] 'O'=(/)
^  Call: (217) [user] is_like_space('O')
   Call: (218) [system] char_type('O', 'white')
   Fail: (218) [system] char_type('O', 'white')
   Call: (218) [system] char_type('O', end_of_line)
   Fail: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] char_type('O', space)
   Fail: (218) [system] char_type('O', space)
   Call: (218) [system] char_type('O', cntrl)
   Fail: (218) [system] char_type('O', cntrl)
^  Fail: (217) [user] is_like_space('O')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] get_char((0x55772f068e50), _11578)
   Exit: (216) [system] get_char((0x55772f068e50), 'O')
   Call: (216) [system] 'O'='('
   Fail: (216) [system] 'O'='('
   Call: (216) [system] 'O'='['
   Fail: (216) [system] 'O'='['
   Call: (216) [system] 'O'='{'
   Fail: (216) [system] 'O'='{'
   Call: (216) [system] 'O'='"'
   Fail: (216) [system] 'O'='"'
   Call: (216) [system] 'O'=!
   Fail: (216) [system] 'O'=!
   Call: (216) [system] 'O'='\''
   Fail: (216) [system] 'O'='\''
   Call: (216) [system] 'O'='`'
   Fail: (216) [system] 'O'='`'
   Call: (216) [system] 'O'=end_of_file
   Fail: (216) [system] 'O'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x55772f068e50), 'O', _5216)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _29220)
   Call: (218) [system] peek_char((0x55772f068e50), _30154)
   Exit: (218) [system] peek_char((0x55772f068e50), r)
^  Call: (218) [user] is_delimiter(r)
   Call: (219) [system] char_type(r, space)
   Fail: (219) [system] char_type(r, space)
   Call: (219) [system] arg(_34874, v('(', ')', end_of_file), r)
   Fail: (219) [system] arg(_35806, v('(', ')', end_of_file), r)
^  Fail: (218) [user] is_delimiter(r)
   Call: (218) [system] ')'==r
   Fail: (218) [system] ')'==r
   Call: (218) [system] get_char((0x55772f068e50), r)
   Exit: (218) [system] get_char((0x55772f068e50), r)
   Call: (218) [system] r=(\)
   Fail: (218) [system] r=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _43156)
   Call: (219) [system] peek_char((0x55772f068e50), _44090)
   Exit: (219) [system] peek_char((0x55772f068e50), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Fail: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_48810, v('(', ')', end_of_file), 'L')
   Fail: (220) [system] arg(_49742, v('(', ')', end_of_file), 'L')
^  Fail: (219) [user] is_delimiter('L')
   Call: (219) [system] ')'=='L'
   Fail: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x55772f068e50), 'L')
   Exit: (219) [system] get_char((0x55772f068e50), 'L')
   Call: (219) [system] 'L'=(\)
   Fail: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _57092)
   Call: (220) [system] peek_char((0x55772f068e50), _58026)
   Exit: (220) [system] peek_char((0x55772f068e50), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_62746, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_63678, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x55772f068e50), i)
   Exit: (220) [system] get_char((0x55772f068e50), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _71028)
   Call: (221) [system] peek_char((0x55772f068e50), _71962)
   Exit: (221) [system] peek_char((0x55772f068e50), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_76682, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_77614, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x55772f068e50), n)
   Exit: (221) [system] get_char((0x55772f068e50), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _84964)
   Call: (222) [system] peek_char((0x55772f068e50), _85898)
   Exit: (222) [system] peek_char((0x55772f068e50), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Fail: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_90618, v('(', ')', end_of_file), k)
   Fail: (223) [system] arg(_91550, v('(', ')', end_of_file), k)
^  Fail: (222) [user] is_delimiter(k)
   Call: (222) [system] ')'==k
   Fail: (222) [system] ')'==k
   Call: (222) [system] get_char((0x55772f068e50), k)
   Exit: (222) [system] get_char((0x55772f068e50), k)
   Call: (222) [system] k=(\)
   Fail: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _98900)
   Call: (223) [system] peek_char((0x55772f068e50), _99834)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _98900=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (222) [system] _84964=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (221) [system] _71028=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (220) [system] _57092=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (219) [system] _43156=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (218) [system] _29220=[r, 'L', i, n, k]
   Exit: (218) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (217) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _5216)
^  Call: (218) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _123088)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_124040, _124042), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _123088), _124022, fail)), '$restore_trace'(_124040, _124042))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_124040, _124042))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _123088), _124022, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_123088)
   Fail: (219) [system] atomic(_123088)
   Call: (219) [system] atom_chars(_123088, ['O', r, 'L', i, n, k])
   Exit: (219) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (218) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (218) [system] integer('OrLink')
   Fail: (218) [system] integer('OrLink')
   Call: (218) [system] _5216='OrLink'
   Exit: (218) [system] 'OrLink'='OrLink'
^  Exit: (217) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (216) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (215) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (215) [user] read_list(')', (0x55772f068e50), _138038)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _139896)
   Exit: (217) [system] peek_char((0x55772f068e50), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x55772f068e50), _149490)
   Exit: (217) [system] get_char((0x55772f068e50), ' ')
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _152194)
   Exit: (218) [system] peek_char((0x55772f068e50), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _169128)
   Exit: (216) [system] peek_char((0x55772f068e50), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x55772f068e50), _174698)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _176556)
   Exit: (218) [system] peek_char((0x55772f068e50), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] get_char((0x55772f068e50), _192566)
   Exit: (217) [system] get_char((0x55772f068e50), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x55772f068e50), _174698)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _198136)
   Exit: (219) [system] peek_char((0x55772f068e50), 'I')
   Call: (219) [system] 'I'=(;)
   Fail: (219) [system] 'I'=(;)
   Call: (219) [system] 'I'=(/)
   Fail: (219) [system] 'I'=(/)
^  Call: (219) [user] is_like_space('I')
   Call: (220) [system] char_type('I', 'white')
   Fail: (220) [system] char_type('I', 'white')
   Call: (220) [system] char_type('I', end_of_line)
   Fail: (220) [system] char_type('I', end_of_line)
   Call: (220) [system] char_type('I', space)
   Fail: (220) [system] char_type('I', space)
   Call: (220) [system] char_type('I', cntrl)
   Fail: (220) [system] char_type('I', cntrl)
^  Fail: (219) [user] is_like_space('I')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _214146)
   Exit: (218) [system] peek_char((0x55772f068e50), 'I')
   Call: (218) [system] 'I'=')'
   Fail: (218) [system] 'I'=')'
   Call: (218) [system] 'I'=end_of_file
   Fail: (218) [system] 'I'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _219716)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _221574)
   Exit: (220) [system] peek_char((0x55772f068e50), 'I')
   Call: (220) [system] 'I'=(;)
   Fail: (220) [system] 'I'=(;)
   Call: (220) [system] 'I'=(/)
   Fail: (220) [system] 'I'=(/)
^  Call: (220) [user] is_like_space('I')
   Call: (221) [system] char_type('I', 'white')
   Fail: (221) [system] char_type('I', 'white')
   Call: (221) [system] char_type('I', end_of_line)
   Fail: (221) [system] char_type('I', end_of_line)
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] char_type('I', cntrl)
   Fail: (221) [system] char_type('I', cntrl)
^  Fail: (220) [user] is_like_space('I')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _237584)
   Exit: (219) [system] get_char((0x55772f068e50), 'I')
   Call: (219) [system] 'I'='('
   Fail: (219) [system] 'I'='('
   Call: (219) [system] 'I'='['
   Fail: (219) [system] 'I'='['
   Call: (219) [system] 'I'='{'
   Fail: (219) [system] 'I'='{'
   Call: (219) [system] 'I'='"'
   Fail: (219) [system] 'I'='"'
   Call: (219) [system] 'I'=!
   Fail: (219) [system] 'I'=!
   Call: (219) [system] 'I'='\''
   Fail: (219) [system] 'I'='\''
   Call: (219) [system] 'I'='`'
   Fail: (219) [system] 'I'='`'
   Call: (219) [system] 'I'=end_of_file
   Fail: (219) [system] 'I'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x55772f068e50), 'I', _219716)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _255226)
   Call: (221) [system] peek_char((0x55772f068e50), _256160)
   Exit: (221) [system] peek_char((0x55772f068e50), m)
^  Call: (221) [user] is_delimiter(m)
   Call: (222) [system] char_type(m, space)
   Fail: (222) [system] char_type(m, space)
   Call: (222) [system] arg(_260880, v('(', ')', end_of_file), m)
   Fail: (222) [system] arg(_261812, v('(', ')', end_of_file), m)
^  Fail: (221) [user] is_delimiter(m)
   Call: (221) [system] ')'==m
   Fail: (221) [system] ')'==m
   Call: (221) [system] get_char((0x55772f068e50), m)
   Exit: (221) [system] get_char((0x55772f068e50), m)
   Call: (221) [system] m=(\)
   Fail: (221) [system] m=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _269162)
   Call: (222) [system] peek_char((0x55772f068e50), _270096)
   Exit: (222) [system] peek_char((0x55772f068e50), p)
^  Call: (222) [user] is_delimiter(p)
   Call: (223) [system] char_type(p, space)
   Fail: (223) [system] char_type(p, space)
   Call: (223) [system] arg(_274816, v('(', ')', end_of_file), p)
   Fail: (223) [system] arg(_275748, v('(', ')', end_of_file), p)
^  Fail: (222) [user] is_delimiter(p)
   Call: (222) [system] ')'==p
   Fail: (222) [system] ')'==p
   Call: (222) [system] get_char((0x55772f068e50), p)
   Exit: (222) [system] get_char((0x55772f068e50), p)
   Call: (222) [system] p=(\)
   Fail: (222) [system] p=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _283098)
   Call: (223) [system] peek_char((0x55772f068e50), _284032)
   Exit: (223) [system] peek_char((0x55772f068e50), l)
^  Call: (223) [user] is_delimiter(l)
   Call: (224) [system] char_type(l, space)
   Fail: (224) [system] char_type(l, space)
   Call: (224) [system] arg(_288752, v('(', ')', end_of_file), l)
   Fail: (224) [system] arg(_289684, v('(', ')', end_of_file), l)
^  Fail: (223) [user] is_delimiter(l)
   Call: (223) [system] ')'==l
   Fail: (223) [system] ')'==l
   Call: (223) [system] get_char((0x55772f068e50), l)
   Exit: (223) [system] get_char((0x55772f068e50), l)
   Call: (223) [system] l=(\)
   Fail: (223) [system] l=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _297034)
   Call: (224) [system] peek_char((0x55772f068e50), _297968)
   Exit: (224) [system] peek_char((0x55772f068e50), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_302688, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_303620, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x55772f068e50), i)
   Exit: (224) [system] get_char((0x55772f068e50), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _310970)
   Call: (225) [system] peek_char((0x55772f068e50), _311904)
   Exit: (225) [system] peek_char((0x55772f068e50), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Fail: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_316624, v('(', ')', end_of_file), c)
   Fail: (226) [system] arg(_317556, v('(', ')', end_of_file), c)
^  Fail: (225) [user] is_delimiter(c)
   Call: (225) [system] ')'==c
   Fail: (225) [system] ')'==c
   Call: (225) [system] get_char((0x55772f068e50), c)
   Exit: (225) [system] get_char((0x55772f068e50), c)
   Call: (225) [system] c=(\)
   Fail: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _324906)
   Call: (226) [system] peek_char((0x55772f068e50), _325840)
   Exit: (226) [system] peek_char((0x55772f068e50), a)
^  Call: (226) [user] is_delimiter(a)
   Call: (227) [system] char_type(a, space)
   Fail: (227) [system] char_type(a, space)
   Call: (227) [system] arg(_330560, v('(', ')', end_of_file), a)
   Fail: (227) [system] arg(_331492, v('(', ')', end_of_file), a)
^  Fail: (226) [user] is_delimiter(a)
   Call: (226) [system] ')'==a
   Fail: (226) [system] ')'==a
   Call: (226) [system] get_char((0x55772f068e50), a)
   Exit: (226) [system] get_char((0x55772f068e50), a)
   Call: (226) [system] a=(\)
   Fail: (226) [system] a=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _338842)
   Call: (227) [system] peek_char((0x55772f068e50), _339776)
   Exit: (227) [system] peek_char((0x55772f068e50), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_344496, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_345428, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x55772f068e50), t)
   Exit: (227) [system] get_char((0x55772f068e50), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _352778)
   Call: (228) [system] peek_char((0x55772f068e50), _353712)
   Exit: (228) [system] peek_char((0x55772f068e50), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_358432, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_359364, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x55772f068e50), i)
   Exit: (228) [system] get_char((0x55772f068e50), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _366714)
   Call: (229) [system] peek_char((0x55772f068e50), _367648)
   Exit: (229) [system] peek_char((0x55772f068e50), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_372368, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_373300, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x55772f068e50), o)
   Exit: (229) [system] get_char((0x55772f068e50), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _380650)
   Call: (230) [system] peek_char((0x55772f068e50), _381584)
   Exit: (230) [system] peek_char((0x55772f068e50), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_386304, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_387236, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x55772f068e50), n)
   Exit: (230) [system] get_char((0x55772f068e50), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _394586)
   Call: (231) [system] peek_char((0x55772f068e50), _395520)
   Exit: (231) [system] peek_char((0x55772f068e50), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _394586=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (230) [system] _380650=[n]
   Exit: (230) [system] [n]=[n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (229) [system] _366714=[o, n]
   Exit: (229) [system] [o, n]=[o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (228) [system] _352778=[i, o, n]
   Exit: (228) [system] [i, o, n]=[i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (227) [system] _338842=[t, i, o, n]
   Exit: (227) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (226) [system] _324906=[a, t, i, o, n]
   Exit: (226) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (225) [system] _310970=[c, a, t, i, o, n]
   Exit: (225) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (224) [system] _297034=[i, c, a, t, i, o, n]
   Exit: (224) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (223) [system] _283098=[l, i, c, a, t, i, o, n]
   Exit: (223) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (222) [system] _269162=[p, l, i, c, a, t, i, o, n]
   Exit: (222) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (221) [system] _255226=[m, p, l, i, c, a, t, i, o, n]
   Exit: (221) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (220) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _219716)
^  Call: (221) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _432744)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_433696, _433698), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _432744), _433678, fail)), '$restore_trace'(_433696, _433698))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_433696, _433698))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _432744), _433678, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_432744)
   Fail: (222) [system] atomic(_432744)
   Call: (222) [system] atom_chars(_432744, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (222) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (221) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (221) [system] integer('Implication')
   Fail: (221) [system] integer('Implication')
   Call: (221) [system] _219716='Implication'
   Exit: (221) [system] 'Implication'='Implication'
^  Exit: (220) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (219) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (218) [user] read_list(')', (0x55772f068e50), _447694)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _449552)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x55772f068e50), _459146)
   Exit: (220) [system] get_char((0x55772f068e50), ' ')
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _461850)
   Exit: (221) [system] peek_char((0x55772f068e50), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _478784)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _484354)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _486212)
   Exit: (221) [system] peek_char((0x55772f068e50), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _502222)
   Exit: (220) [system] get_char((0x55772f068e50), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x55772f068e50), _484354)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _507792)
   Exit: (222) [system] peek_char((0x55772f068e50), 'A')
   Call: (222) [system] 'A'=(;)
   Fail: (222) [system] 'A'=(;)
   Call: (222) [system] 'A'=(/)
   Fail: (222) [system] 'A'=(/)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Fail: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Fail: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Fail: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
   Fail: (223) [system] char_type('A', cntrl)
^  Fail: (222) [user] is_like_space('A')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _523802)
   Exit: (221) [system] peek_char((0x55772f068e50), 'A')
   Call: (221) [system] 'A'=')'
   Fail: (221) [system] 'A'=')'
   Call: (221) [system] 'A'=end_of_file
   Fail: (221) [system] 'A'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _529372)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _531230)
   Exit: (223) [system] peek_char((0x55772f068e50), 'A')
   Call: (223) [system] 'A'=(;)
   Fail: (223) [system] 'A'=(;)
   Call: (223) [system] 'A'=(/)
   Fail: (223) [system] 'A'=(/)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Fail: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Fail: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Fail: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
   Fail: (224) [system] char_type('A', cntrl)
^  Fail: (223) [user] is_like_space('A')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _547240)
   Exit: (222) [system] get_char((0x55772f068e50), 'A')
   Call: (222) [system] 'A'='('
   Fail: (222) [system] 'A'='('
   Call: (222) [system] 'A'='['
   Fail: (222) [system] 'A'='['
   Call: (222) [system] 'A'='{'
   Fail: (222) [system] 'A'='{'
   Call: (222) [system] 'A'='"'
   Fail: (222) [system] 'A'='"'
   Call: (222) [system] 'A'=!
   Fail: (222) [system] 'A'=!
   Call: (222) [system] 'A'='\''
   Fail: (222) [system] 'A'='\''
   Call: (222) [system] 'A'='`'
   Fail: (222) [system] 'A'='`'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x55772f068e50), 'A', _529372)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _564882)
   Call: (224) [system] peek_char((0x55772f068e50), _565816)
   Exit: (224) [system] peek_char((0x55772f068e50), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_570536, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_571468, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x55772f068e50), n)
   Exit: (224) [system] get_char((0x55772f068e50), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _578818)
   Call: (225) [system] peek_char((0x55772f068e50), _579752)
   Exit: (225) [system] peek_char((0x55772f068e50), d)
^  Call: (225) [user] is_delimiter(d)
   Call: (226) [system] char_type(d, space)
   Fail: (226) [system] char_type(d, space)
   Call: (226) [system] arg(_584472, v('(', ')', end_of_file), d)
   Fail: (226) [system] arg(_585404, v('(', ')', end_of_file), d)
^  Fail: (225) [user] is_delimiter(d)
   Call: (225) [system] ')'==d
   Fail: (225) [system] ')'==d
   Call: (225) [system] get_char((0x55772f068e50), d)
   Exit: (225) [system] get_char((0x55772f068e50), d)
   Call: (225) [system] d=(\)
   Fail: (225) [system] d=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _592754)
   Call: (226) [system] peek_char((0x55772f068e50), _593688)
   Exit: (226) [system] peek_char((0x55772f068e50), 'L')
^  Call: (226) [user] is_delimiter('L')
   Call: (227) [system] char_type('L', space)
   Fail: (227) [system] char_type('L', space)
   Call: (227) [system] arg(_598408, v('(', ')', end_of_file), 'L')
   Fail: (227) [system] arg(_599340, v('(', ')', end_of_file), 'L')
^  Fail: (226) [user] is_delimiter('L')
   Call: (226) [system] ')'=='L'
   Fail: (226) [system] ')'=='L'
   Call: (226) [system] get_char((0x55772f068e50), 'L')
   Exit: (226) [system] get_char((0x55772f068e50), 'L')
   Call: (226) [system] 'L'=(\)
   Fail: (226) [system] 'L'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _606690)
   Call: (227) [system] peek_char((0x55772f068e50), _607624)
   Exit: (227) [system] peek_char((0x55772f068e50), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_612344, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_613276, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x55772f068e50), i)
   Exit: (227) [system] get_char((0x55772f068e50), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _620626)
   Call: (228) [system] peek_char((0x55772f068e50), _621560)
   Exit: (228) [system] peek_char((0x55772f068e50), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_626280, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_627212, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x55772f068e50), n)
   Exit: (228) [system] get_char((0x55772f068e50), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _634562)
   Call: (229) [system] peek_char((0x55772f068e50), _635496)
   Exit: (229) [system] peek_char((0x55772f068e50), k)
^  Call: (229) [user] is_delimiter(k)
   Call: (230) [system] char_type(k, space)
   Fail: (230) [system] char_type(k, space)
   Call: (230) [system] arg(_640216, v('(', ')', end_of_file), k)
   Fail: (230) [system] arg(_641148, v('(', ')', end_of_file), k)
^  Fail: (229) [user] is_delimiter(k)
   Call: (229) [system] ')'==k
   Fail: (229) [system] ')'==k
   Call: (229) [system] get_char((0x55772f068e50), k)
   Exit: (229) [system] get_char((0x55772f068e50), k)
   Call: (229) [system] k=(\)
   Fail: (229) [system] k=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _648498)
   Call: (230) [system] peek_char((0x55772f068e50), _649432)
   Exit: (230) [system] peek_char((0x55772f068e50), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _648498=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (229) [system] _634562=[k]
   Exit: (229) [system] [k]=[k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (228) [system] _620626=[n, k]
   Exit: (228) [system] [n, k]=[n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (227) [system] _606690=[i, n, k]
   Exit: (227) [system] [i, n, k]=[i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (226) [system] _592754=['L', i, n, k]
   Exit: (226) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (225) [system] _578818=[d, 'L', i, n, k]
   Exit: (225) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (224) [system] _564882=[n, d, 'L', i, n, k]
   Exit: (224) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (223) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _529372)
^  Call: (224) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _675480)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_676432, _676434), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _675480), _676414, fail)), '$restore_trace'(_676432, _676434))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_676432, _676434))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _675480), _676414, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_675480)
   Fail: (225) [system] atomic(_675480)
   Call: (225) [system] atom_chars(_675480, ['A', n, d, 'L', i, n, k])
   Exit: (225) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (224) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (224) [system] integer('AndLink')
   Fail: (224) [system] integer('AndLink')
   Call: (224) [system] _529372='AndLink'
   Exit: (224) [system] 'AndLink'='AndLink'
^  Exit: (223) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (222) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (221) [user] read_list(')', (0x55772f068e50), _690430)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _692288)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x55772f068e50), _701882)
   Exit: (223) [system] get_char((0x55772f068e50), ' ')
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _704586)
   Exit: (224) [system] peek_char((0x55772f068e50), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
   Call: (224) [system] 'A'=(/)
   Fail: (224) [system] 'A'=(/)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _721520)
   Exit: (222) [system] peek_char((0x55772f068e50), 'A')
   Call: (222) [system] 'A'=')'
   Fail: (222) [system] 'A'=')'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _727090)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _728948)
   Exit: (224) [system] peek_char((0x55772f068e50), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
   Call: (224) [system] 'A'=(/)
   Fail: (224) [system] 'A'=(/)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _744958)
   Exit: (223) [system] get_char((0x55772f068e50), 'A')
   Call: (223) [system] 'A'='('
   Fail: (223) [system] 'A'='('
   Call: (223) [system] 'A'='['
   Fail: (223) [system] 'A'='['
   Call: (223) [system] 'A'='{'
   Fail: (223) [system] 'A'='{'
   Call: (223) [system] 'A'='"'
   Fail: (223) [system] 'A'='"'
   Call: (223) [system] 'A'=!
   Fail: (223) [system] 'A'=!
   Call: (223) [system] 'A'='\''
   Fail: (223) [system] 'A'='\''
   Call: (223) [system] 'A'='`'
   Fail: (223) [system] 'A'='`'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x55772f068e50), 'A', _727090)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _762600)
   Call: (225) [system] peek_char((0x55772f068e50), _763534)
   Exit: (225) [system] peek_char((0x55772f068e50), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _762600=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (224) [user] classify_and_convert_charseq(['A'], _727090)
^  Call: (225) [user] classify_and_convert_charseq_(['A'], _772818)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_773770, _773772), once(user:catch(read_from_chars(['A'], _772818), _773752, fail)), '$restore_trace'(_773770, _773772))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_773770, _773772))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _772818), _773752, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_772818)
   Fail: (226) [system] atomic(_772818)
   Call: (226) [system] atom_chars(_772818, ['A'])
   Exit: (226) [system] atom_chars('A', ['A'])
^  Exit: (225) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (225) [system] integer('A')
   Fail: (225) [system] integer('A')
   Call: (225) [system] _727090='A'
   Exit: (225) [system] 'A'='A'
^  Exit: (224) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (223) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (222) [user] read_list(')', (0x55772f068e50), _787768)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _789626)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x55772f068e50), _799220)
   Exit: (224) [system] get_char((0x55772f068e50), ' ')
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _801924)
   Exit: (225) [system] peek_char((0x55772f068e50), 'B')
   Call: (225) [system] 'B'=(;)
   Fail: (225) [system] 'B'=(;)
   Call: (225) [system] 'B'=(/)
   Fail: (225) [system] 'B'=(/)
^  Call: (225) [user] is_like_space('B')
   Call: (226) [system] char_type('B', 'white')
   Fail: (226) [system] char_type('B', 'white')
   Call: (226) [system] char_type('B', end_of_line)
   Fail: (226) [system] char_type('B', end_of_line)
   Call: (226) [system] char_type('B', space)
   Fail: (226) [system] char_type('B', space)
   Call: (226) [system] char_type('B', cntrl)
   Fail: (226) [system] char_type('B', cntrl)
^  Fail: (225) [user] is_like_space('B')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _818858)
   Exit: (223) [system] peek_char((0x55772f068e50), 'B')
   Call: (223) [system] 'B'=')'
   Fail: (223) [system] 'B'=')'
   Call: (223) [system] 'B'=end_of_file
   Fail: (223) [system] 'B'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x55772f068e50), _824428)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _826286)
   Exit: (225) [system] peek_char((0x55772f068e50), 'B')
   Call: (225) [system] 'B'=(;)
   Fail: (225) [system] 'B'=(;)
   Call: (225) [system] 'B'=(/)
   Fail: (225) [system] 'B'=(/)
^  Call: (225) [user] is_like_space('B')
   Call: (226) [system] char_type('B', 'white')
   Fail: (226) [system] char_type('B', 'white')
   Call: (226) [system] char_type('B', end_of_line)
   Fail: (226) [system] char_type('B', end_of_line)
   Call: (226) [system] char_type('B', space)
   Fail: (226) [system] char_type('B', space)
   Call: (226) [system] char_type('B', cntrl)
   Fail: (226) [system] char_type('B', cntrl)
^  Fail: (225) [user] is_like_space('B')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] get_char((0x55772f068e50), _842296)
   Exit: (224) [system] get_char((0x55772f068e50), 'B')
   Call: (224) [system] 'B'='('
   Fail: (224) [system] 'B'='('
   Call: (224) [system] 'B'='['
   Fail: (224) [system] 'B'='['
   Call: (224) [system] 'B'='{'
   Fail: (224) [system] 'B'='{'
   Call: (224) [system] 'B'='"'
   Fail: (224) [system] 'B'='"'
   Call: (224) [system] 'B'=!
   Fail: (224) [system] 'B'=!
   Call: (224) [system] 'B'='\''
   Fail: (224) [system] 'B'='\''
   Call: (224) [system] 'B'='`'
   Fail: (224) [system] 'B'='`'
   Call: (224) [system] 'B'=end_of_file
   Fail: (224) [system] 'B'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x55772f068e50), 'B', _824428)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _859938)
   Call: (226) [system] peek_char((0x55772f068e50), _860872)
   Exit: (226) [system] peek_char((0x55772f068e50), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_865592, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _859938=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (225) [user] classify_and_convert_charseq(['B'], _824428)
^  Call: (226) [user] classify_and_convert_charseq_(['B'], _872028)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_872980, _872982), once(user:catch(read_from_chars(['B'], _872028), _872962, fail)), '$restore_trace'(_872980, _872982))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_872980, _872982))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _872028), _872962, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_872028)
   Fail: (227) [system] atomic(_872028)
   Call: (227) [system] atom_chars(_872028, ['B'])
   Exit: (227) [system] atom_chars('B', ['B'])
^  Exit: (226) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (226) [system] integer('B')
   Fail: (226) [system] integer('B')
   Call: (226) [system] _824428='B'
   Exit: (226) [system] 'B'='B'
^  Exit: (225) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (224) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (223) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (223) [user] read_list(')', (0x55772f068e50), _886978)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _888836)
   Exit: (225) [system] peek_char((0x55772f068e50), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
   Call: (225) [system] ')'=(/)
   Fail: (225) [system] ')'=(/)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _904846)
   Exit: (224) [system] peek_char((0x55772f068e50), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x55772f068e50), _908636)
   Exit: (224) [system] get_char((0x55772f068e50), ')')
   Call: (224) [system] _886978=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x55772f068e50), [])
   Call: (223) [system] _787768=['B']
   Exit: (223) [system] ['B']=['B']
^  Exit: (222) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (222) [system] _690430=['A', 'B']
   Exit: (222) [system] ['A', 'B']=['A', 'B']
^  Exit: (221) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (221) [system] _484354=['AndLink', 'A', 'B']
   Exit: (221) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (220) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (219) [user] read_list(')', (0x55772f068e50), _922518)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _924376)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x55772f068e50), _933970)
   Exit: (221) [system] get_char((0x55772f068e50), ' ')
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _936674)
   Exit: (222) [system] peek_char((0x55772f068e50), 'C')
   Call: (222) [system] 'C'=(;)
   Fail: (222) [system] 'C'=(;)
   Call: (222) [system] 'C'=(/)
   Fail: (222) [system] 'C'=(/)
^  Call: (222) [user] is_like_space('C')
   Call: (223) [system] char_type('C', 'white')
   Fail: (223) [system] char_type('C', 'white')
   Call: (223) [system] char_type('C', end_of_line)
   Fail: (223) [system] char_type('C', end_of_line)
   Call: (223) [system] char_type('C', space)
   Fail: (223) [system] char_type('C', space)
   Call: (223) [system] char_type('C', cntrl)
   Fail: (223) [system] char_type('C', cntrl)
^  Fail: (222) [user] is_like_space('C')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _953608)
   Exit: (220) [system] peek_char((0x55772f068e50), 'C')
   Call: (220) [system] 'C'=')'
   Fail: (220) [system] 'C'=')'
   Call: (220) [system] 'C'=end_of_file
   Fail: (220) [system] 'C'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _959178)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _961036)
   Exit: (222) [system] peek_char((0x55772f068e50), 'C')
   Call: (222) [system] 'C'=(;)
   Fail: (222) [system] 'C'=(;)
   Call: (222) [system] 'C'=(/)
   Fail: (222) [system] 'C'=(/)
^  Call: (222) [user] is_like_space('C')
   Call: (223) [system] char_type('C', 'white')
   Fail: (223) [system] char_type('C', 'white')
   Call: (223) [system] char_type('C', end_of_line)
   Fail: (223) [system] char_type('C', end_of_line)
   Call: (223) [system] char_type('C', space)
   Fail: (223) [system] char_type('C', space)
   Call: (223) [system] char_type('C', cntrl)
   Fail: (223) [system] char_type('C', cntrl)
^  Fail: (222) [user] is_like_space('C')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _977046)
   Exit: (221) [system] get_char((0x55772f068e50), 'C')
   Call: (221) [system] 'C'='('
   Fail: (221) [system] 'C'='('
   Call: (221) [system] 'C'='['
   Fail: (221) [system] 'C'='['
   Call: (221) [system] 'C'='{'
   Fail: (221) [system] 'C'='{'
   Call: (221) [system] 'C'='"'
   Fail: (221) [system] 'C'='"'
   Call: (221) [system] 'C'=!
   Fail: (221) [system] 'C'=!
   Call: (221) [system] 'C'='\''
   Fail: (221) [system] 'C'='\''
   Call: (221) [system] 'C'='`'
   Fail: (221) [system] 'C'='`'
   Call: (221) [system] 'C'=end_of_file
   Fail: (221) [system] 'C'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x55772f068e50), 'C', _959178)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _994688)
   Call: (223) [system] peek_char((0x55772f068e50), _995622)
   Exit: (223) [system] peek_char((0x55772f068e50), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_1000342, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _994688=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (222) [user] classify_and_convert_charseq(['C'], _959178)
^  Call: (223) [user] classify_and_convert_charseq_(['C'], _1006778)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1007730, _1007732), once(user:catch(read_from_chars(['C'], _1006778), _1007712, fail)), '$restore_trace'(_1007730, _1007732))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1007730, _1007732))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1006778), _1007712, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1006778)
   Fail: (224) [system] atomic(_1006778)
   Call: (224) [system] atom_chars(_1006778, ['C'])
   Exit: (224) [system] atom_chars('C', ['C'])
^  Exit: (223) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (223) [system] integer('C')
   Fail: (223) [system] integer('C')
   Call: (223) [system] _959178='C'
   Exit: (223) [system] 'C'='C'
^  Exit: (222) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (221) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (220) [user] read_list(')', (0x55772f068e50), _1021728)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1023586)
   Exit: (222) [system] peek_char((0x55772f068e50), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
   Call: (222) [system] ')'=(/)
   Fail: (222) [system] ')'=(/)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1039596)
   Exit: (221) [system] peek_char((0x55772f068e50), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x55772f068e50), _1043386)
   Exit: (221) [system] get_char((0x55772f068e50), ')')
   Call: (221) [system] _1021728=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x55772f068e50), [])
   Call: (220) [system] _922518=['C']
   Exit: (220) [system] ['C']=['C']
^  Exit: (219) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (219) [system] _447694=[['AndLink', 'A', 'B'], 'C']
   Exit: (219) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (218) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (218) [system] _174698=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (218) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (217) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (216) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (216) [user] read_list(')', (0x55772f068e50), _1057268)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1059126)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x55772f068e50), _1068720)
   Exit: (218) [system] get_char((0x55772f068e50), ' ')
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1071424)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1088358)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _1093928)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1095786)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _1111796)
   Exit: (218) [system] get_char((0x55772f068e50), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x55772f068e50), _1093928)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1117366)
   Exit: (220) [system] peek_char((0x55772f068e50), 'O')
   Call: (220) [system] 'O'=(;)
   Fail: (220) [system] 'O'=(;)
   Call: (220) [system] 'O'=(/)
   Fail: (220) [system] 'O'=(/)
^  Call: (220) [user] is_like_space('O')
   Call: (221) [system] char_type('O', 'white')
   Fail: (221) [system] char_type('O', 'white')
   Call: (221) [system] char_type('O', end_of_line)
   Fail: (221) [system] char_type('O', end_of_line)
   Call: (221) [system] char_type('O', space)
   Fail: (221) [system] char_type('O', space)
   Call: (221) [system] char_type('O', cntrl)
   Fail: (221) [system] char_type('O', cntrl)
^  Fail: (220) [user] is_like_space('O')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1133376)
   Exit: (219) [system] peek_char((0x55772f068e50), 'O')
   Call: (219) [system] 'O'=')'
   Fail: (219) [system] 'O'=')'
   Call: (219) [system] 'O'=end_of_file
   Fail: (219) [system] 'O'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _1138946)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1140804)
   Exit: (221) [system] peek_char((0x55772f068e50), 'O')
   Call: (221) [system] 'O'=(;)
   Fail: (221) [system] 'O'=(;)
   Call: (221) [system] 'O'=(/)
   Fail: (221) [system] 'O'=(/)
^  Call: (221) [user] is_like_space('O')
   Call: (222) [system] char_type('O', 'white')
   Fail: (222) [system] char_type('O', 'white')
   Call: (222) [system] char_type('O', end_of_line)
   Fail: (222) [system] char_type('O', end_of_line)
   Call: (222) [system] char_type('O', space)
   Fail: (222) [system] char_type('O', space)
   Call: (222) [system] char_type('O', cntrl)
   Fail: (222) [system] char_type('O', cntrl)
^  Fail: (221) [user] is_like_space('O')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _1156814)
   Exit: (220) [system] get_char((0x55772f068e50), 'O')
   Call: (220) [system] 'O'='('
   Fail: (220) [system] 'O'='('
   Call: (220) [system] 'O'='['
   Fail: (220) [system] 'O'='['
   Call: (220) [system] 'O'='{'
   Fail: (220) [system] 'O'='{'
   Call: (220) [system] 'O'='"'
   Fail: (220) [system] 'O'='"'
   Call: (220) [system] 'O'=!
   Fail: (220) [system] 'O'=!
   Call: (220) [system] 'O'='\''
   Fail: (220) [system] 'O'='\''
   Call: (220) [system] 'O'='`'
   Fail: (220) [system] 'O'='`'
   Call: (220) [system] 'O'=end_of_file
   Fail: (220) [system] 'O'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x55772f068e50), 'O', _1138946)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1174456)
   Call: (222) [system] peek_char((0x55772f068e50), _1175390)
   Exit: (222) [system] peek_char((0x55772f068e50), r)
^  Call: (222) [user] is_delimiter(r)
   Call: (223) [system] char_type(r, space)
   Fail: (223) [system] char_type(r, space)
   Call: (223) [system] arg(_1180110, v('(', ')', end_of_file), r)
   Fail: (223) [system] arg(_1181042, v('(', ')', end_of_file), r)
^  Fail: (222) [user] is_delimiter(r)
   Call: (222) [system] ')'==r
   Fail: (222) [system] ')'==r
   Call: (222) [system] get_char((0x55772f068e50), r)
   Exit: (222) [system] get_char((0x55772f068e50), r)
   Call: (222) [system] r=(\)
   Fail: (222) [system] r=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1188392)
   Call: (223) [system] peek_char((0x55772f068e50), _1189326)
   Exit: (223) [system] peek_char((0x55772f068e50), 'L')
^  Call: (223) [user] is_delimiter('L')
   Call: (224) [system] char_type('L', space)
   Fail: (224) [system] char_type('L', space)
   Call: (224) [system] arg(_1194046, v('(', ')', end_of_file), 'L')
   Fail: (224) [system] arg(_1194978, v('(', ')', end_of_file), 'L')
^  Fail: (223) [user] is_delimiter('L')
   Call: (223) [system] ')'=='L'
   Fail: (223) [system] ')'=='L'
   Call: (223) [system] get_char((0x55772f068e50), 'L')
   Exit: (223) [system] get_char((0x55772f068e50), 'L')
   Call: (223) [system] 'L'=(\)
   Fail: (223) [system] 'L'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1202328)
   Call: (224) [system] peek_char((0x55772f068e50), _1203262)
   Exit: (224) [system] peek_char((0x55772f068e50), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_1207982, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_1208914, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x55772f068e50), i)
   Exit: (224) [system] get_char((0x55772f068e50), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1216264)
   Call: (225) [system] peek_char((0x55772f068e50), _1217198)
   Exit: (225) [system] peek_char((0x55772f068e50), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1221918, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_1222850, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x55772f068e50), n)
   Exit: (225) [system] get_char((0x55772f068e50), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1230200)
   Call: (226) [system] peek_char((0x55772f068e50), _1231134)
   Exit: (226) [system] peek_char((0x55772f068e50), k)
^  Call: (226) [user] is_delimiter(k)
   Call: (227) [system] char_type(k, space)
   Fail: (227) [system] char_type(k, space)
   Call: (227) [system] arg(_1235854, v('(', ')', end_of_file), k)
   Fail: (227) [system] arg(_1236786, v('(', ')', end_of_file), k)
^  Fail: (226) [user] is_delimiter(k)
   Call: (226) [system] ')'==k
   Fail: (226) [system] ')'==k
   Call: (226) [system] get_char((0x55772f068e50), k)
   Exit: (226) [system] get_char((0x55772f068e50), k)
   Call: (226) [system] k=(\)
   Fail: (226) [system] k=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1244136)
   Call: (227) [system] peek_char((0x55772f068e50), _1245070)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1244136=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (226) [system] _1230200=[k]
   Exit: (226) [system] [k]=[k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (225) [system] _1216264=[n, k]
   Exit: (225) [system] [n, k]=[n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (224) [system] _1202328=[i, n, k]
   Exit: (224) [system] [i, n, k]=[i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (223) [system] _1188392=['L', i, n, k]
   Exit: (223) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (222) [system] _1174456=[r, 'L', i, n, k]
   Exit: (222) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (221) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1138946)
^  Call: (222) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1268324)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1269276, _1269278), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1268324), _1269258, fail)), '$restore_trace'(_1269276, _1269278))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1269276, _1269278))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1268324), _1269258, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1268324)
   Fail: (223) [system] atomic(_1268324)
   Call: (223) [system] atom_chars(_1268324, ['O', r, 'L', i, n, k])
   Exit: (223) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (222) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (222) [system] integer('OrLink')
   Fail: (222) [system] integer('OrLink')
   Call: (222) [system] _1138946='OrLink'
   Exit: (222) [system] 'OrLink'='OrLink'
^  Exit: (221) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (220) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (219) [user] read_list(')', (0x55772f068e50), _1283274)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1285132)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x55772f068e50), _1294726)
   Exit: (221) [system] get_char((0x55772f068e50), ' ')
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1297430)
   Exit: (222) [system] peek_char((0x55772f068e50), 'B')
   Call: (222) [system] 'B'=(;)
   Fail: (222) [system] 'B'=(;)
   Call: (222) [system] 'B'=(/)
   Fail: (222) [system] 'B'=(/)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Fail: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Fail: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Fail: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
   Fail: (223) [system] char_type('B', cntrl)
^  Fail: (222) [user] is_like_space('B')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1314364)
   Exit: (220) [system] peek_char((0x55772f068e50), 'B')
   Call: (220) [system] 'B'=')'
   Fail: (220) [system] 'B'=')'
   Call: (220) [system] 'B'=end_of_file
   Fail: (220) [system] 'B'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _1319934)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1321792)
   Exit: (222) [system] peek_char((0x55772f068e50), 'B')
   Call: (222) [system] 'B'=(;)
   Fail: (222) [system] 'B'=(;)
   Call: (222) [system] 'B'=(/)
   Fail: (222) [system] 'B'=(/)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Fail: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Fail: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Fail: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
   Fail: (223) [system] char_type('B', cntrl)
^  Fail: (222) [user] is_like_space('B')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _1337802)
   Exit: (221) [system] get_char((0x55772f068e50), 'B')
   Call: (221) [system] 'B'='('
   Fail: (221) [system] 'B'='('
   Call: (221) [system] 'B'='['
   Fail: (221) [system] 'B'='['
   Call: (221) [system] 'B'='{'
   Fail: (221) [system] 'B'='{'
   Call: (221) [system] 'B'='"'
   Fail: (221) [system] 'B'='"'
   Call: (221) [system] 'B'=!
   Fail: (221) [system] 'B'=!
   Call: (221) [system] 'B'='\''
   Fail: (221) [system] 'B'='\''
   Call: (221) [system] 'B'='`'
   Fail: (221) [system] 'B'='`'
   Call: (221) [system] 'B'=end_of_file
   Fail: (221) [system] 'B'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x55772f068e50), 'B', _1319934)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1355444)
   Call: (223) [system] peek_char((0x55772f068e50), _1356378)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1355444=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (222) [user] classify_and_convert_charseq(['B'], _1319934)
^  Call: (223) [user] classify_and_convert_charseq_(['B'], _1365662)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1366614, _1366616), once(user:catch(read_from_chars(['B'], _1365662), _1366596, fail)), '$restore_trace'(_1366614, _1366616))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1366614, _1366616))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1365662), _1366596, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1365662)
   Fail: (224) [system] atomic(_1365662)
   Call: (224) [system] atom_chars(_1365662, ['B'])
   Exit: (224) [system] atom_chars('B', ['B'])
^  Exit: (223) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (223) [system] integer('B')
   Fail: (223) [system] integer('B')
   Call: (223) [system] _1319934='B'
   Exit: (223) [system] 'B'='B'
^  Exit: (222) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (221) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (220) [user] read_list(')', (0x55772f068e50), _1380612)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1382470)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x55772f068e50), _1392064)
   Exit: (222) [system] get_char((0x55772f068e50), ' ')
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1394768)
   Exit: (223) [system] peek_char((0x55772f068e50), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1411702)
   Exit: (221) [system] peek_char((0x55772f068e50), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _1417272)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1419130)
   Exit: (223) [system] peek_char((0x55772f068e50), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _1435140)
   Exit: (222) [system] get_char((0x55772f068e50), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x55772f068e50), _1417272)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1440710)
   Exit: (224) [system] peek_char((0x55772f068e50), 'I')
   Call: (224) [system] 'I'=(;)
   Fail: (224) [system] 'I'=(;)
   Call: (224) [system] 'I'=(/)
   Fail: (224) [system] 'I'=(/)
^  Call: (224) [user] is_like_space('I')
   Call: (225) [system] char_type('I', 'white')
   Fail: (225) [system] char_type('I', 'white')
   Call: (225) [system] char_type('I', end_of_line)
   Fail: (225) [system] char_type('I', end_of_line)
   Call: (225) [system] char_type('I', space)
   Fail: (225) [system] char_type('I', space)
   Call: (225) [system] char_type('I', cntrl)
   Fail: (225) [system] char_type('I', cntrl)
^  Fail: (224) [user] is_like_space('I')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1456720)
   Exit: (223) [system] peek_char((0x55772f068e50), 'I')
   Call: (223) [system] 'I'=')'
   Fail: (223) [system] 'I'=')'
   Call: (223) [system] 'I'=end_of_file
   Fail: (223) [system] 'I'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x55772f068e50), _1462290)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1464148)
   Exit: (225) [system] peek_char((0x55772f068e50), 'I')
   Call: (225) [system] 'I'=(;)
   Fail: (225) [system] 'I'=(;)
   Call: (225) [system] 'I'=(/)
   Fail: (225) [system] 'I'=(/)
^  Call: (225) [user] is_like_space('I')
   Call: (226) [system] char_type('I', 'white')
   Fail: (226) [system] char_type('I', 'white')
   Call: (226) [system] char_type('I', end_of_line)
   Fail: (226) [system] char_type('I', end_of_line)
   Call: (226) [system] char_type('I', space)
   Fail: (226) [system] char_type('I', space)
   Call: (226) [system] char_type('I', cntrl)
   Fail: (226) [system] char_type('I', cntrl)
^  Fail: (225) [user] is_like_space('I')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] get_char((0x55772f068e50), _1480158)
   Exit: (224) [system] get_char((0x55772f068e50), 'I')
   Call: (224) [system] 'I'='('
   Fail: (224) [system] 'I'='('
   Call: (224) [system] 'I'='['
   Fail: (224) [system] 'I'='['
   Call: (224) [system] 'I'='{'
   Fail: (224) [system] 'I'='{'
   Call: (224) [system] 'I'='"'
   Fail: (224) [system] 'I'='"'
   Call: (224) [system] 'I'=!
   Fail: (224) [system] 'I'=!
   Call: (224) [system] 'I'='\''
   Fail: (224) [system] 'I'='\''
   Call: (224) [system] 'I'='`'
   Fail: (224) [system] 'I'='`'
   Call: (224) [system] 'I'=end_of_file
   Fail: (224) [system] 'I'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x55772f068e50), 'I', _1462290)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1497800)
   Call: (226) [system] peek_char((0x55772f068e50), _1498734)
   Exit: (226) [system] peek_char((0x55772f068e50), m)
^  Call: (226) [user] is_delimiter(m)
   Call: (227) [system] char_type(m, space)
   Fail: (227) [system] char_type(m, space)
   Call: (227) [system] arg(_1503454, v('(', ')', end_of_file), m)
   Fail: (227) [system] arg(_1504386, v('(', ')', end_of_file), m)
^  Fail: (226) [user] is_delimiter(m)
   Call: (226) [system] ')'==m
   Fail: (226) [system] ')'==m
   Call: (226) [system] get_char((0x55772f068e50), m)
   Exit: (226) [system] get_char((0x55772f068e50), m)
   Call: (226) [system] m=(\)
   Fail: (226) [system] m=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1511736)
   Call: (227) [system] peek_char((0x55772f068e50), _1512670)
   Exit: (227) [system] peek_char((0x55772f068e50), p)
^  Call: (227) [user] is_delimiter(p)
   Call: (228) [system] char_type(p, space)
   Fail: (228) [system] char_type(p, space)
   Call: (228) [system] arg(_1517390, v('(', ')', end_of_file), p)
   Fail: (228) [system] arg(_1518322, v('(', ')', end_of_file), p)
^  Fail: (227) [user] is_delimiter(p)
   Call: (227) [system] ')'==p
   Fail: (227) [system] ')'==p
   Call: (227) [system] get_char((0x55772f068e50), p)
   Exit: (227) [system] get_char((0x55772f068e50), p)
   Call: (227) [system] p=(\)
   Fail: (227) [system] p=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1525672)
   Call: (228) [system] peek_char((0x55772f068e50), _1526606)
   Exit: (228) [system] peek_char((0x55772f068e50), l)
^  Call: (228) [user] is_delimiter(l)
   Call: (229) [system] char_type(l, space)
   Fail: (229) [system] char_type(l, space)
   Call: (229) [system] arg(_1531326, v('(', ')', end_of_file), l)
   Fail: (229) [system] arg(_1532258, v('(', ')', end_of_file), l)
^  Fail: (228) [user] is_delimiter(l)
   Call: (228) [system] ')'==l
   Fail: (228) [system] ')'==l
   Call: (228) [system] get_char((0x55772f068e50), l)
   Exit: (228) [system] get_char((0x55772f068e50), l)
   Call: (228) [system] l=(\)
   Fail: (228) [system] l=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1539608)
   Call: (229) [system] peek_char((0x55772f068e50), _1540542)
   Exit: (229) [system] peek_char((0x55772f068e50), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1545262, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1546194, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x55772f068e50), i)
   Exit: (229) [system] get_char((0x55772f068e50), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1553544)
   Call: (230) [system] peek_char((0x55772f068e50), _1554478)
   Exit: (230) [system] peek_char((0x55772f068e50), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Fail: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_1559198, v('(', ')', end_of_file), c)
   Fail: (231) [system] arg(_1560130, v('(', ')', end_of_file), c)
^  Fail: (230) [user] is_delimiter(c)
   Call: (230) [system] ')'==c
   Fail: (230) [system] ')'==c
   Call: (230) [system] get_char((0x55772f068e50), c)
   Exit: (230) [system] get_char((0x55772f068e50), c)
   Call: (230) [system] c=(\)
   Fail: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1567480)
   Call: (231) [system] peek_char((0x55772f068e50), _1568414)
   Exit: (231) [system] peek_char((0x55772f068e50), a)
^  Call: (231) [user] is_delimiter(a)
   Call: (232) [system] char_type(a, space)
   Fail: (232) [system] char_type(a, space)
   Call: (232) [system] arg(_1573134, v('(', ')', end_of_file), a)
   Fail: (232) [system] arg(_1574066, v('(', ')', end_of_file), a)
^  Fail: (231) [user] is_delimiter(a)
   Call: (231) [system] ')'==a
   Fail: (231) [system] ')'==a
   Call: (231) [system] get_char((0x55772f068e50), a)
   Exit: (231) [system] get_char((0x55772f068e50), a)
   Call: (231) [system] a=(\)
   Fail: (231) [system] a=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1581416)
   Call: (232) [system] peek_char((0x55772f068e50), _1582350)
   Exit: (232) [system] peek_char((0x55772f068e50), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_1587070, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_1588002, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x55772f068e50), t)
   Exit: (232) [system] get_char((0x55772f068e50), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1595352)
   Call: (233) [system] peek_char((0x55772f068e50), _1596286)
   Exit: (233) [system] peek_char((0x55772f068e50), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_1601006, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_1601938, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x55772f068e50), i)
   Exit: (233) [system] get_char((0x55772f068e50), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1609288)
   Call: (234) [system] peek_char((0x55772f068e50), _1610222)
   Exit: (234) [system] peek_char((0x55772f068e50), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_1614942, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_1615874, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x55772f068e50), o)
   Exit: (234) [system] get_char((0x55772f068e50), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1623224)
   Call: (235) [system] peek_char((0x55772f068e50), _1624158)
   Exit: (235) [system] peek_char((0x55772f068e50), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_1628878, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_1629810, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x55772f068e50), n)
   Exit: (235) [system] get_char((0x55772f068e50), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1637160)
   Call: (236) [system] peek_char((0x55772f068e50), _1638094)
   Exit: (236) [system] peek_char((0x55772f068e50), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _1637160=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (235) [system] _1623224=[n]
   Exit: (235) [system] [n]=[n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (234) [system] _1609288=[o, n]
   Exit: (234) [system] [o, n]=[o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (233) [system] _1595352=[i, o, n]
   Exit: (233) [system] [i, o, n]=[i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (232) [system] _1581416=[t, i, o, n]
   Exit: (232) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (231) [system] _1567480=[a, t, i, o, n]
   Exit: (231) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (230) [system] _1553544=[c, a, t, i, o, n]
   Exit: (230) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (229) [system] _1539608=[i, c, a, t, i, o, n]
   Exit: (229) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (228) [system] _1525672=[l, i, c, a, t, i, o, n]
   Exit: (228) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (227) [system] _1511736=[p, l, i, c, a, t, i, o, n]
   Exit: (227) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (226) [system] _1497800=[m, p, l, i, c, a, t, i, o, n]
   Exit: (226) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (225) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1462290)
^  Call: (226) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1675318)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1676270, _1676272), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1675318), _1676252, fail)), '$restore_trace'(_1676270, _1676272))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1676270, _1676272))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1675318), _1676252, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1675318)
   Fail: (227) [system] atomic(_1675318)
   Call: (227) [system] atom_chars(_1675318, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (227) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (226) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (226) [system] integer('Implication')
   Fail: (226) [system] integer('Implication')
   Call: (226) [system] _1462290='Implication'
   Exit: (226) [system] 'Implication'='Implication'
^  Exit: (225) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (224) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (223) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (223) [user] read_list(')', (0x55772f068e50), _1690268)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1692126)
   Exit: (225) [system] peek_char((0x55772f068e50), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x55772f068e50), _1701720)
   Exit: (225) [system] get_char((0x55772f068e50), ' ')
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1704424)
   Exit: (226) [system] peek_char((0x55772f068e50), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1721358)
   Exit: (224) [system] peek_char((0x55772f068e50), '(')
   Call: (224) [system] '('=')'
   Fail: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
   Fail: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x55772f068e50), _1726928)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1728786)
   Exit: (226) [system] peek_char((0x55772f068e50), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] get_char((0x55772f068e50), _1744796)
   Exit: (225) [system] get_char((0x55772f068e50), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x55772f068e50), _1726928)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1750366)
   Exit: (227) [system] peek_char((0x55772f068e50), 'O')
   Call: (227) [system] 'O'=(;)
   Fail: (227) [system] 'O'=(;)
   Call: (227) [system] 'O'=(/)
   Fail: (227) [system] 'O'=(/)
^  Call: (227) [user] is_like_space('O')
   Call: (228) [system] char_type('O', 'white')
   Fail: (228) [system] char_type('O', 'white')
   Call: (228) [system] char_type('O', end_of_line)
   Fail: (228) [system] char_type('O', end_of_line)
   Call: (228) [system] char_type('O', space)
   Fail: (228) [system] char_type('O', space)
   Call: (228) [system] char_type('O', cntrl)
   Fail: (228) [system] char_type('O', cntrl)
^  Fail: (227) [user] is_like_space('O')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1766376)
   Exit: (226) [system] peek_char((0x55772f068e50), 'O')
   Call: (226) [system] 'O'=')'
   Fail: (226) [system] 'O'=')'
   Call: (226) [system] 'O'=end_of_file
   Fail: (226) [system] 'O'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x55772f068e50), _1771946)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1773804)
   Exit: (228) [system] peek_char((0x55772f068e50), 'O')
   Call: (228) [system] 'O'=(;)
   Fail: (228) [system] 'O'=(;)
   Call: (228) [system] 'O'=(/)
   Fail: (228) [system] 'O'=(/)
^  Call: (228) [user] is_like_space('O')
   Call: (229) [system] char_type('O', 'white')
   Fail: (229) [system] char_type('O', 'white')
   Call: (229) [system] char_type('O', end_of_line)
   Fail: (229) [system] char_type('O', end_of_line)
   Call: (229) [system] char_type('O', space)
   Fail: (229) [system] char_type('O', space)
   Call: (229) [system] char_type('O', cntrl)
   Fail: (229) [system] char_type('O', cntrl)
^  Fail: (228) [user] is_like_space('O')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] get_char((0x55772f068e50), _1789814)
   Exit: (227) [system] get_char((0x55772f068e50), 'O')
   Call: (227) [system] 'O'='('
   Fail: (227) [system] 'O'='('
   Call: (227) [system] 'O'='['
   Fail: (227) [system] 'O'='['
   Call: (227) [system] 'O'='{'
   Fail: (227) [system] 'O'='{'
   Call: (227) [system] 'O'='"'
   Fail: (227) [system] 'O'='"'
   Call: (227) [system] 'O'=!
   Fail: (227) [system] 'O'=!
   Call: (227) [system] 'O'='\''
   Fail: (227) [system] 'O'='\''
   Call: (227) [system] 'O'='`'
   Fail: (227) [system] 'O'='`'
   Call: (227) [system] 'O'=end_of_file
   Fail: (227) [system] 'O'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x55772f068e50), 'O', _1771946)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1807456)
   Call: (229) [system] peek_char((0x55772f068e50), _1808390)
   Exit: (229) [system] peek_char((0x55772f068e50), r)
^  Call: (229) [user] is_delimiter(r)
   Call: (230) [system] char_type(r, space)
   Fail: (230) [system] char_type(r, space)
   Call: (230) [system] arg(_1813110, v('(', ')', end_of_file), r)
   Fail: (230) [system] arg(_1814042, v('(', ')', end_of_file), r)
^  Fail: (229) [user] is_delimiter(r)
   Call: (229) [system] ')'==r
   Fail: (229) [system] ')'==r
   Call: (229) [system] get_char((0x55772f068e50), r)
   Exit: (229) [system] get_char((0x55772f068e50), r)
   Call: (229) [system] r=(\)
   Fail: (229) [system] r=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1821392)
   Call: (230) [system] peek_char((0x55772f068e50), _1822326)
   Exit: (230) [system] peek_char((0x55772f068e50), 'L')
^  Call: (230) [user] is_delimiter('L')
   Call: (231) [system] char_type('L', space)
   Fail: (231) [system] char_type('L', space)
   Call: (231) [system] arg(_1827046, v('(', ')', end_of_file), 'L')
   Fail: (231) [system] arg(_1827978, v('(', ')', end_of_file), 'L')
^  Fail: (230) [user] is_delimiter('L')
   Call: (230) [system] ')'=='L'
   Fail: (230) [system] ')'=='L'
   Call: (230) [system] get_char((0x55772f068e50), 'L')
   Exit: (230) [system] get_char((0x55772f068e50), 'L')
   Call: (230) [system] 'L'=(\)
   Fail: (230) [system] 'L'=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1835328)
   Call: (231) [system] peek_char((0x55772f068e50), _1836262)
   Exit: (231) [system] peek_char((0x55772f068e50), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1840982, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_1841914, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x55772f068e50), i)
   Exit: (231) [system] get_char((0x55772f068e50), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1849264)
   Call: (232) [system] peek_char((0x55772f068e50), _1850198)
   Exit: (232) [system] peek_char((0x55772f068e50), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_1854918, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_1855850, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x55772f068e50), n)
   Exit: (232) [system] get_char((0x55772f068e50), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1863200)
   Call: (233) [system] peek_char((0x55772f068e50), _1864134)
   Exit: (233) [system] peek_char((0x55772f068e50), k)
^  Call: (233) [user] is_delimiter(k)
   Call: (234) [system] char_type(k, space)
   Fail: (234) [system] char_type(k, space)
   Call: (234) [system] arg(_1868854, v('(', ')', end_of_file), k)
   Fail: (234) [system] arg(_1869786, v('(', ')', end_of_file), k)
^  Fail: (233) [user] is_delimiter(k)
   Call: (233) [system] ')'==k
   Fail: (233) [system] ')'==k
   Call: (233) [system] get_char((0x55772f068e50), k)
   Exit: (233) [system] get_char((0x55772f068e50), k)
   Call: (233) [system] k=(\)
   Fail: (233) [system] k=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1877136)
   Call: (234) [system] peek_char((0x55772f068e50), _1878070)
   Exit: (234) [system] peek_char((0x55772f068e50), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _1877136=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (233) [system] _1863200=[k]
   Exit: (233) [system] [k]=[k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (232) [system] _1849264=[n, k]
   Exit: (232) [system] [n, k]=[n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (231) [system] _1835328=[i, n, k]
   Exit: (231) [system] [i, n, k]=[i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (230) [system] _1821392=['L', i, n, k]
   Exit: (230) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (229) [system] _1807456=[r, 'L', i, n, k]
   Exit: (229) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (228) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1771946)
^  Call: (229) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1901324)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1902276, _1902278), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1901324), _1902258, fail)), '$restore_trace'(_1902276, _1902278))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1902276, _1902278))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1901324), _1902258, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1901324)
   Fail: (230) [system] atomic(_1901324)
   Call: (230) [system] atom_chars(_1901324, ['O', r, 'L', i, n, k])
   Exit: (230) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (229) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (229) [system] integer('OrLink')
   Fail: (229) [system] integer('OrLink')
   Call: (229) [system] _1771946='OrLink'
   Exit: (229) [system] 'OrLink'='OrLink'
^  Exit: (228) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (227) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (226) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (226) [user] read_list(')', (0x55772f068e50), _1916274)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1918132)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x55772f068e50), _1927726)
   Exit: (228) [system] get_char((0x55772f068e50), ' ')
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1930430)
   Exit: (229) [system] peek_char((0x55772f068e50), 'C')
   Call: (229) [system] 'C'=(;)
   Fail: (229) [system] 'C'=(;)
   Call: (229) [system] 'C'=(/)
   Fail: (229) [system] 'C'=(/)
^  Call: (229) [user] is_like_space('C')
   Call: (230) [system] char_type('C', 'white')
   Fail: (230) [system] char_type('C', 'white')
   Call: (230) [system] char_type('C', end_of_line)
   Fail: (230) [system] char_type('C', end_of_line)
   Call: (230) [system] char_type('C', space)
   Fail: (230) [system] char_type('C', space)
   Call: (230) [system] char_type('C', cntrl)
   Fail: (230) [system] char_type('C', cntrl)
^  Fail: (229) [user] is_like_space('C')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1947364)
   Exit: (227) [system] peek_char((0x55772f068e50), 'C')
   Call: (227) [system] 'C'=')'
   Fail: (227) [system] 'C'=')'
   Call: (227) [system] 'C'=end_of_file
   Fail: (227) [system] 'C'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x55772f068e50), _1952934)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1954792)
   Exit: (229) [system] peek_char((0x55772f068e50), 'C')
   Call: (229) [system] 'C'=(;)
   Fail: (229) [system] 'C'=(;)
   Call: (229) [system] 'C'=(/)
   Fail: (229) [system] 'C'=(/)
^  Call: (229) [user] is_like_space('C')
   Call: (230) [system] char_type('C', 'white')
   Fail: (230) [system] char_type('C', 'white')
   Call: (230) [system] char_type('C', end_of_line)
   Fail: (230) [system] char_type('C', end_of_line)
   Call: (230) [system] char_type('C', space)
   Fail: (230) [system] char_type('C', space)
   Call: (230) [system] char_type('C', cntrl)
   Fail: (230) [system] char_type('C', cntrl)
^  Fail: (229) [user] is_like_space('C')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] get_char((0x55772f068e50), _1970802)
   Exit: (228) [system] get_char((0x55772f068e50), 'C')
   Call: (228) [system] 'C'='('
   Fail: (228) [system] 'C'='('
   Call: (228) [system] 'C'='['
   Fail: (228) [system] 'C'='['
   Call: (228) [system] 'C'='{'
   Fail: (228) [system] 'C'='{'
   Call: (228) [system] 'C'='"'
   Fail: (228) [system] 'C'='"'
   Call: (228) [system] 'C'=!
   Fail: (228) [system] 'C'=!
   Call: (228) [system] 'C'='\''
   Fail: (228) [system] 'C'='\''
   Call: (228) [system] 'C'='`'
   Fail: (228) [system] 'C'='`'
   Call: (228) [system] 'C'=end_of_file
   Fail: (228) [system] 'C'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x55772f068e50), 'C', _1952934)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1988444)
   Call: (230) [system] peek_char((0x55772f068e50), _1989378)
   Exit: (230) [system] peek_char((0x55772f068e50), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1988444=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (229) [user] classify_and_convert_charseq(['C'], _1952934)
^  Call: (230) [user] classify_and_convert_charseq_(['C'], _1998662)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1999614, _1999616), once(user:catch(read_from_chars(['C'], _1998662), _1999596, fail)), '$restore_trace'(_1999614, _1999616))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1999614, _1999616))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1998662), _1999596, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1998662)
   Fail: (231) [system] atomic(_1998662)
   Call: (231) [system] atom_chars(_1998662, ['C'])
   Exit: (231) [system] atom_chars('C', ['C'])
^  Exit: (230) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (230) [system] integer('C')
   Fail: (230) [system] integer('C')
   Call: (230) [system] _1952934='C'
   Exit: (230) [system] 'C'='C'
^  Exit: (229) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (228) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (227) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (227) [user] read_list(')', (0x55772f068e50), _2013612)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _2015470)
   Exit: (229) [system] peek_char((0x55772f068e50), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x55772f068e50), _2025064)
   Exit: (229) [system] get_char((0x55772f068e50), ' ')
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _2027768)
   Exit: (230) [system] peek_char((0x55772f068e50), 'D')
   Call: (230) [system] 'D'=(;)
   Fail: (230) [system] 'D'=(;)
   Call: (230) [system] 'D'=(/)
   Fail: (230) [system] 'D'=(/)
^  Call: (230) [user] is_like_space('D')
   Call: (231) [system] char_type('D', 'white')
   Fail: (231) [system] char_type('D', 'white')
   Call: (231) [system] char_type('D', end_of_line)
   Fail: (231) [system] char_type('D', end_of_line)
   Call: (231) [system] char_type('D', space)
   Fail: (231) [system] char_type('D', space)
   Call: (231) [system] char_type('D', cntrl)
   Fail: (231) [system] char_type('D', cntrl)
^  Fail: (230) [user] is_like_space('D')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _2044702)
   Exit: (228) [system] peek_char((0x55772f068e50), 'D')
   Call: (228) [system] 'D'=')'
   Fail: (228) [system] 'D'=')'
   Call: (228) [system] 'D'=end_of_file
   Fail: (228) [system] 'D'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x55772f068e50), _2050272)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _2052130)
   Exit: (230) [system] peek_char((0x55772f068e50), 'D')
   Call: (230) [system] 'D'=(;)
   Fail: (230) [system] 'D'=(;)
   Call: (230) [system] 'D'=(/)
   Fail: (230) [system] 'D'=(/)
^  Call: (230) [user] is_like_space('D')
   Call: (231) [system] char_type('D', 'white')
   Fail: (231) [system] char_type('D', 'white')
   Call: (231) [system] char_type('D', end_of_line)
   Fail: (231) [system] char_type('D', end_of_line)
   Call: (231) [system] char_type('D', space)
   Fail: (231) [system] char_type('D', space)
   Call: (231) [system] char_type('D', cntrl)
   Fail: (231) [system] char_type('D', cntrl)
^  Fail: (230) [user] is_like_space('D')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] get_char((0x55772f068e50), _2068140)
   Exit: (229) [system] get_char((0x55772f068e50), 'D')
   Call: (229) [system] 'D'='('
   Fail: (229) [system] 'D'='('
   Call: (229) [system] 'D'='['
   Fail: (229) [system] 'D'='['
   Call: (229) [system] 'D'='{'
   Fail: (229) [system] 'D'='{'
   Call: (229) [system] 'D'='"'
   Fail: (229) [system] 'D'='"'
   Call: (229) [system] 'D'=!
   Fail: (229) [system] 'D'=!
   Call: (229) [system] 'D'='\''
   Fail: (229) [system] 'D'='\''
   Call: (229) [system] 'D'='`'
   Fail: (229) [system] 'D'='`'
   Call: (229) [system] 'D'=end_of_file
   Fail: (229) [system] 'D'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x55772f068e50), 'D', _2050272)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _2085782)
   Call: (231) [system] peek_char((0x55772f068e50), _2086716)
   Exit: (231) [system] peek_char((0x55772f068e50), ')')
^  Call: (231) [user] is_delimiter(')')
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] arg(_2091436, v('(', ')', end_of_file), ')')
   Exit: (232) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (231) [user] is_delimiter(')')
   Call: (231) [system] _2085782=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (230) [user] classify_and_convert_charseq(['D'], _5312)
^  Call: (231) [user] classify_and_convert_charseq_(['D'], _6210)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_7162, _7164), once(user:catch(read_from_chars(['D'], _6210), _7144, fail)), '$restore_trace'(_7162, _7164))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_7162, _7164))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _6210), _7144, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_6210)
   Fail: (232) [system] atomic(_6210)
   Call: (232) [system] atom_chars(_6210, ['D'])
   Exit: (232) [system] atom_chars('D', ['D'])
^  Exit: (231) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (231) [system] integer('D')
   Fail: (231) [system] integer('D')
   Call: (231) [system] _5312='D'
   Exit: (231) [system] 'D'='D'
^  Exit: (230) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (229) [user] read_symbolic(')', (0x55772f068e50), 'D', 'D')
^  Exit: (228) [user] cont_sexpr(')', (0x55772f068e50), 'D')
^  Call: (228) [user] read_list(')', (0x55772f068e50), _21160)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _23018)
   Exit: (230) [system] peek_char((0x55772f068e50), ')')
   Call: (230) [system] ')'=(;)
   Fail: (230) [system] ')'=(;)
   Call: (230) [system] ')'=(/)
   Fail: (230) [system] ')'=(/)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Fail: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Fail: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
   Fail: (231) [system] char_type(')', cntrl)
^  Fail: (230) [user] is_like_space(')')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _39028)
   Exit: (229) [system] peek_char((0x55772f068e50), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x55772f068e50), _42818)
   Exit: (229) [system] get_char((0x55772f068e50), ')')
   Call: (229) [system] _21160=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x55772f068e50), [])
   Call: (228) [system] _5308=['D']
   Exit: (228) [system] ['D']=['D']
^  Exit: (227) [user] read_list(')', (0x55772f068e50), ['D'])
   Call: (227) [system] _5302=['C', 'D']
   Exit: (227) [system] ['C', 'D']=['C', 'D']
^  Exit: (226) [user] read_list(')', (0x55772f068e50), ['C', 'D'])
   Call: (226) [system] _5294=['OrLink', 'C', 'D']
   Exit: (226) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (225) [user] read_list(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Exit: (224) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Call: (224) [user] read_list(')', (0x55772f068e50), _56700)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _58558)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x55772f068e50), _68152)
   Exit: (226) [system] get_char((0x55772f068e50), ' ')
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _70856)
   Exit: (227) [system] peek_char((0x55772f068e50), 'E')
   Call: (227) [system] 'E'=(;)
   Fail: (227) [system] 'E'=(;)
   Call: (227) [system] 'E'=(/)
   Fail: (227) [system] 'E'=(/)
^  Call: (227) [user] is_like_space('E')
   Call: (228) [system] char_type('E', 'white')
   Fail: (228) [system] char_type('E', 'white')
   Call: (228) [system] char_type('E', end_of_line)
   Fail: (228) [system] char_type('E', end_of_line)
   Call: (228) [system] char_type('E', space)
   Fail: (228) [system] char_type('E', space)
   Call: (228) [system] char_type('E', cntrl)
   Fail: (228) [system] char_type('E', cntrl)
^  Fail: (227) [user] is_like_space('E')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _87790)
   Exit: (225) [system] peek_char((0x55772f068e50), 'E')
   Call: (225) [system] 'E'=')'
   Fail: (225) [system] 'E'=')'
   Call: (225) [system] 'E'=end_of_file
   Fail: (225) [system] 'E'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x55772f068e50), _93360)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _95218)
   Exit: (227) [system] peek_char((0x55772f068e50), 'E')
   Call: (227) [system] 'E'=(;)
   Fail: (227) [system] 'E'=(;)
   Call: (227) [system] 'E'=(/)
   Fail: (227) [system] 'E'=(/)
^  Call: (227) [user] is_like_space('E')
   Call: (228) [system] char_type('E', 'white')
   Fail: (228) [system] char_type('E', 'white')
   Call: (228) [system] char_type('E', end_of_line)
   Fail: (228) [system] char_type('E', end_of_line)
   Call: (228) [system] char_type('E', space)
   Fail: (228) [system] char_type('E', space)
   Call: (228) [system] char_type('E', cntrl)
   Fail: (228) [system] char_type('E', cntrl)
^  Fail: (227) [user] is_like_space('E')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] get_char((0x55772f068e50), _111228)
   Exit: (226) [system] get_char((0x55772f068e50), 'E')
   Call: (226) [system] 'E'='('
   Fail: (226) [system] 'E'='('
   Call: (226) [system] 'E'='['
   Fail: (226) [system] 'E'='['
   Call: (226) [system] 'E'='{'
   Fail: (226) [system] 'E'='{'
   Call: (226) [system] 'E'='"'
   Fail: (226) [system] 'E'='"'
   Call: (226) [system] 'E'=!
   Fail: (226) [system] 'E'=!
   Call: (226) [system] 'E'='\''
   Fail: (226) [system] 'E'='\''
   Call: (226) [system] 'E'='`'
   Fail: (226) [system] 'E'='`'
   Call: (226) [system] 'E'=end_of_file
   Fail: (226) [system] 'E'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x55772f068e50), 'E', _93360)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _128870)
   Call: (228) [system] peek_char((0x55772f068e50), _129804)
   Exit: (228) [system] peek_char((0x55772f068e50), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_134524, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _128870=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (227) [user] classify_and_convert_charseq(['E'], _93360)
^  Call: (228) [user] classify_and_convert_charseq_(['E'], _140960)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_141912, _141914), once(user:catch(read_from_chars(['E'], _140960), _141894, fail)), '$restore_trace'(_141912, _141914))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_141912, _141914))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _140960), _141894, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_140960)
   Fail: (229) [system] atomic(_140960)
   Call: (229) [system] atom_chars(_140960, ['E'])
   Exit: (229) [system] atom_chars('E', ['E'])
^  Exit: (228) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (228) [system] integer('E')
   Fail: (228) [system] integer('E')
   Call: (228) [system] _93360='E'
   Exit: (228) [system] 'E'='E'
^  Exit: (227) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (226) [user] read_symbolic(')', (0x55772f068e50), 'E', 'E')
^  Exit: (225) [user] cont_sexpr(')', (0x55772f068e50), 'E')
^  Call: (225) [user] read_list(')', (0x55772f068e50), _155910)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _157768)
   Exit: (227) [system] peek_char((0x55772f068e50), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
   Call: (227) [system] ')'=(/)
   Fail: (227) [system] ')'=(/)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _173778)
   Exit: (226) [system] peek_char((0x55772f068e50), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x55772f068e50), _177568)
   Exit: (226) [system] get_char((0x55772f068e50), ')')
   Call: (226) [system] _155910=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x55772f068e50), [])
   Call: (225) [system] _56700=['E']
   Exit: (225) [system] ['E']=['E']
^  Exit: (224) [user] read_list(')', (0x55772f068e50), ['E'])
   Call: (224) [system] _5290=[['OrLink', 'C', 'D'], 'E']
   Exit: (224) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (223) [user] read_list(')', (0x55772f068e50), [['OrLink', 'C', 'D'], 'E'])
   Call: (223) [system] _5282=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (223) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (222) [user] read_list(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (221) [user] read_list(')', (0x55772f068e50), _191450)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _193308)
   Exit: (223) [system] peek_char((0x55772f068e50), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
   Call: (223) [system] ')'=(/)
   Fail: (223) [system] ')'=(/)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _209318)
   Exit: (222) [system] peek_char((0x55772f068e50), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x55772f068e50), _213108)
   Exit: (222) [system] get_char((0x55772f068e50), ')')
   Call: (222) [system] _191450=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x55772f068e50), [])
   Call: (221) [system] _5278=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (221) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (220) [user] read_list(')', (0x55772f068e50), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (220) [system] _5272=['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (220) [system] ['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (219) [user] read_list(')', (0x55772f068e50), ['B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (219) [system] _5264=['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (219) [system] ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (218) [user] read_list(')', (0x55772f068e50), ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (217) [user] read_list(')', (0x55772f068e50), _226990)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _228848)
   Exit: (219) [system] peek_char((0x55772f068e50), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
   Call: (219) [system] ')'=(/)
   Fail: (219) [system] ')'=(/)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _244858)
   Exit: (218) [system] peek_char((0x55772f068e50), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x55772f068e50), _248648)
   Exit: (218) [system] get_char((0x55772f068e50), ')')
   Call: (218) [system] _226990=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x55772f068e50), [])
   Call: (217) [system] _5260=[['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (217) [system] [['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (216) [user] read_list(')', (0x55772f068e50), [['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (216) [system] _5218=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (216) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (215) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (215) [system] _5210=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (215) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (214) [user] read_list(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (213) [user] read_list(')', (0x55772f068e50), _262530)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _264388)
   Exit: (215) [system] peek_char((0x55772f068e50), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _280398)
   Exit: (214) [system] peek_char((0x55772f068e50), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x55772f068e50), _284188)
   Exit: (214) [system] get_char((0x55772f068e50), ')')
   Call: (214) [system] _262530=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x55772f068e50), [])
   Call: (213) [system] _5206=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (213) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (212) [user] read_list(')', (0x55772f068e50), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (212) [system] _5164=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (212) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (211) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (211) [system] _5156=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (211) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (210) [user] read_list(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (209) [user] cont_sexpr(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Call: (209) [user] read_list(')', (0x55772f068e50), _298070)
^  Call: (210) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _299928)
   Exit: (211) [system] peek_char((0x55772f068e50), '\n')
   Call: (211) [system] '\n'=(;)
   Fail: (211) [system] '\n'=(;)
   Call: (211) [system] '\n'=(/)
   Fail: (211) [system] '\n'=(/)
^  Call: (211) [user] is_like_space('\n')
   Call: (212) [system] char_type('\n', 'white')
   Fail: (212) [system] char_type('\n', 'white')
   Call: (212) [system] char_type('\n', end_of_line)
   Exit: (212) [system] char_type('\n', end_of_line)
^  Exit: (211) [user] is_like_space('\n')
   Call: (211) [system] get_char((0x55772f068e50), _311378)
   Exit: (211) [system] get_char((0x55772f068e50), '\n')
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _314082)
   Exit: (212) [system] peek_char((0x55772f068e50), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x55772f068e50), _323676)
   Exit: (212) [system] get_char((0x55772f068e50), ' ')
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _326380)
   Exit: (213) [system] peek_char((0x55772f068e50), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
^  Exit: (210) [user] skip_spaces((0x55772f068e50))
   Call: (210) [system] peek_char((0x55772f068e50), _344238)
   Exit: (210) [system] peek_char((0x55772f068e50), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x55772f068e50), _349808)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _351666)
   Exit: (212) [system] peek_char((0x55772f068e50), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] get_char((0x55772f068e50), _367676)
   Exit: (211) [system] get_char((0x55772f068e50), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x55772f068e50), _349808)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _373246)
   Exit: (213) [system] peek_char((0x55772f068e50), :)
   Call: (213) [system] (:)=(;)
   Fail: (213) [system] (:)=(;)
   Call: (213) [system] (:)=(/)
   Fail: (213) [system] (:)=(/)
^  Call: (213) [user] is_like_space(:)
   Call: (214) [system] char_type(:, 'white')
   Fail: (214) [system] char_type(:, 'white')
   Call: (214) [system] char_type(:, end_of_line)
   Fail: (214) [system] char_type(:, end_of_line)
   Call: (214) [system] char_type(:, space)
   Fail: (214) [system] char_type(:, space)
   Call: (214) [system] char_type(:, cntrl)
   Fail: (214) [system] char_type(:, cntrl)
^  Fail: (213) [user] is_like_space(:)
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _389256)
   Exit: (212) [system] peek_char((0x55772f068e50), :)
   Call: (212) [system] (:)=')'
   Fail: (212) [system] (:)=')'
   Call: (212) [system] (:)=end_of_file
   Fail: (212) [system] (:)=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x55772f068e50), _394826)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _396684)
   Exit: (214) [system] peek_char((0x55772f068e50), :)
   Call: (214) [system] (:)=(;)
   Fail: (214) [system] (:)=(;)
   Call: (214) [system] (:)=(/)
   Fail: (214) [system] (:)=(/)
^  Call: (214) [user] is_like_space(:)
   Call: (215) [system] char_type(:, 'white')
   Fail: (215) [system] char_type(:, 'white')
   Call: (215) [system] char_type(:, end_of_line)
   Fail: (215) [system] char_type(:, end_of_line)
   Call: (215) [system] char_type(:, space)
   Fail: (215) [system] char_type(:, space)
   Call: (215) [system] char_type(:, cntrl)
   Fail: (215) [system] char_type(:, cntrl)
^  Fail: (214) [user] is_like_space(:)
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] get_char((0x55772f068e50), _412694)
   Exit: (213) [system] get_char((0x55772f068e50), :)
   Call: (213) [system] (:)='('
   Fail: (213) [system] (:)='('
   Call: (213) [system] (:)='['
   Fail: (213) [system] (:)='['
   Call: (213) [system] (:)='{'
   Fail: (213) [system] (:)='{'
   Call: (213) [system] (:)='"'
   Fail: (213) [system] (:)='"'
   Call: (213) [system] (:)=!
   Fail: (213) [system] (:)=!
   Call: (213) [system] (:)='\''
   Fail: (213) [system] (:)='\''
   Call: (213) [system] (:)='`'
   Fail: (213) [system] (:)='`'
   Call: (213) [system] (:)=end_of_file
   Fail: (213) [system] (:)=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x55772f068e50), :, _394826)
^  Call: (214) [user] read_symbolic_cont(')', (0x55772f068e50), _430336)
   Call: (215) [system] peek_char((0x55772f068e50), _431270)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _430336=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (214) [user] classify_and_convert_charseq([:], _394826)
^  Call: (215) [user] classify_and_convert_charseq_([:], _440554)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_441506, _441508), once(user:catch(read_from_chars([:], _440554), _441488, fail)), '$restore_trace'(_441506, _441508))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_441506, _441508))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _441488, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(:)
   Exit: (216) [system] atomic(:)
^  Exit: (215) [user] classify_and_convert_charseq_([:], :)
   Call: (215) [system] integer(:)
   Fail: (215) [system] integer(:)
   Call: (215) [system] _394826=(:)
   Exit: (215) [system] (:)=(:)
^  Exit: (214) [user] classify_and_convert_charseq([:], :)
^  Exit: (213) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (212) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (212) [user] read_list(')', (0x55772f068e50), _453634)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _455492)
   Exit: (214) [system] peek_char((0x55772f068e50), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x55772f068e50), _465086)
   Exit: (214) [system] get_char((0x55772f068e50), ' ')
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _467790)
   Exit: (215) [system] peek_char((0x55772f068e50), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _484724)
   Exit: (213) [system] peek_char((0x55772f068e50), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _490294)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _492152)
   Exit: (215) [system] peek_char((0x55772f068e50), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _508162)
   Exit: (214) [system] get_char((0x55772f068e50), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x55772f068e50), _490294)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _513732)
   Exit: (216) [system] peek_char((0x55772f068e50), 'D')
   Call: (216) [system] 'D'=(;)
   Fail: (216) [system] 'D'=(;)
   Call: (216) [system] 'D'=(/)
   Fail: (216) [system] 'D'=(/)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Fail: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Fail: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Fail: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
   Fail: (217) [system] char_type('D', cntrl)
^  Fail: (216) [user] is_like_space('D')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _529742)
   Exit: (215) [system] peek_char((0x55772f068e50), 'D')
   Call: (215) [system] 'D'=')'
   Fail: (215) [system] 'D'=')'
   Call: (215) [system] 'D'=end_of_file
   Fail: (215) [system] 'D'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x55772f068e50), _535312)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _537170)
   Exit: (217) [system] peek_char((0x55772f068e50), 'D')
   Call: (217) [system] 'D'=(;)
   Fail: (217) [system] 'D'=(;)
   Call: (217) [system] 'D'=(/)
   Fail: (217) [system] 'D'=(/)
^  Call: (217) [user] is_like_space('D')
   Call: (218) [system] char_type('D', 'white')
   Fail: (218) [system] char_type('D', 'white')
   Call: (218) [system] char_type('D', end_of_line)
   Fail: (218) [system] char_type('D', end_of_line)
   Call: (218) [system] char_type('D', space)
   Fail: (218) [system] char_type('D', space)
   Call: (218) [system] char_type('D', cntrl)
   Fail: (218) [system] char_type('D', cntrl)
^  Fail: (217) [user] is_like_space('D')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] get_char((0x55772f068e50), _553180)
   Exit: (216) [system] get_char((0x55772f068e50), 'D')
   Call: (216) [system] 'D'='('
   Fail: (216) [system] 'D'='('
   Call: (216) [system] 'D'='['
   Fail: (216) [system] 'D'='['
   Call: (216) [system] 'D'='{'
   Fail: (216) [system] 'D'='{'
   Call: (216) [system] 'D'='"'
   Fail: (216) [system] 'D'='"'
   Call: (216) [system] 'D'=!
   Fail: (216) [system] 'D'=!
   Call: (216) [system] 'D'='\''
   Fail: (216) [system] 'D'='\''
   Call: (216) [system] 'D'='`'
   Fail: (216) [system] 'D'='`'
   Call: (216) [system] 'D'=end_of_file
   Fail: (216) [system] 'D'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x55772f068e50), 'D', _535312)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _570822)
   Call: (218) [system] peek_char((0x55772f068e50), _571756)
   Exit: (218) [system] peek_char((0x55772f068e50), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_576476, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_577408, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x55772f068e50), i)
   Exit: (218) [system] get_char((0x55772f068e50), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _584758)
   Call: (219) [system] peek_char((0x55772f068e50), _585692)
   Exit: (219) [system] peek_char((0x55772f068e50), s)
^  Call: (219) [user] is_delimiter(s)
   Call: (220) [system] char_type(s, space)
   Fail: (220) [system] char_type(s, space)
   Call: (220) [system] arg(_590412, v('(', ')', end_of_file), s)
   Fail: (220) [system] arg(_591344, v('(', ')', end_of_file), s)
^  Fail: (219) [user] is_delimiter(s)
   Call: (219) [system] ')'==s
   Fail: (219) [system] ')'==s
   Call: (219) [system] get_char((0x55772f068e50), s)
   Exit: (219) [system] get_char((0x55772f068e50), s)
   Call: (219) [system] s=(\)
   Fail: (219) [system] s=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _598694)
   Call: (220) [system] peek_char((0x55772f068e50), _599628)
   Exit: (220) [system] peek_char((0x55772f068e50), j)
^  Call: (220) [user] is_delimiter(j)
   Call: (221) [system] char_type(j, space)
   Fail: (221) [system] char_type(j, space)
   Call: (221) [system] arg(_604348, v('(', ')', end_of_file), j)
   Fail: (221) [system] arg(_605280, v('(', ')', end_of_file), j)
^  Fail: (220) [user] is_delimiter(j)
   Call: (220) [system] ')'==j
   Fail: (220) [system] ')'==j
   Call: (220) [system] get_char((0x55772f068e50), j)
   Exit: (220) [system] get_char((0x55772f068e50), j)
   Call: (220) [system] j=(\)
   Fail: (220) [system] j=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _612630)
   Call: (221) [system] peek_char((0x55772f068e50), _613564)
   Exit: (221) [system] peek_char((0x55772f068e50), u)
^  Call: (221) [user] is_delimiter(u)
   Call: (222) [system] char_type(u, space)
   Fail: (222) [system] char_type(u, space)
   Call: (222) [system] arg(_618284, v('(', ')', end_of_file), u)
   Fail: (222) [system] arg(_619216, v('(', ')', end_of_file), u)
^  Fail: (221) [user] is_delimiter(u)
   Call: (221) [system] ')'==u
   Fail: (221) [system] ')'==u
   Call: (221) [system] get_char((0x55772f068e50), u)
   Exit: (221) [system] get_char((0x55772f068e50), u)
   Call: (221) [system] u=(\)
   Fail: (221) [system] u=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _626566)
   Call: (222) [system] peek_char((0x55772f068e50), _627500)
   Exit: (222) [system] peek_char((0x55772f068e50), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_632220, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_633152, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x55772f068e50), n)
   Exit: (222) [system] get_char((0x55772f068e50), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _640502)
   Call: (223) [system] peek_char((0x55772f068e50), _641436)
   Exit: (223) [system] peek_char((0x55772f068e50), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_646156, v('(', ')', end_of_file), c)
   Fail: (224) [system] arg(_647088, v('(', ')', end_of_file), c)
^  Fail: (223) [user] is_delimiter(c)
   Call: (223) [system] ')'==c
   Fail: (223) [system] ')'==c
   Call: (223) [system] get_char((0x55772f068e50), c)
   Exit: (223) [system] get_char((0x55772f068e50), c)
   Call: (223) [system] c=(\)
   Fail: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _654438)
   Call: (224) [system] peek_char((0x55772f068e50), _655372)
   Exit: (224) [system] peek_char((0x55772f068e50), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_660092, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_661024, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x55772f068e50), t)
   Exit: (224) [system] get_char((0x55772f068e50), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _668374)
   Call: (225) [system] peek_char((0x55772f068e50), _669308)
   Exit: (225) [system] peek_char((0x55772f068e50), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_674028, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_674960, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x55772f068e50), i)
   Exit: (225) [system] get_char((0x55772f068e50), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _682310)
   Call: (226) [system] peek_char((0x55772f068e50), _683244)
   Exit: (226) [system] peek_char((0x55772f068e50), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_687964, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_688896, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x55772f068e50), o)
   Exit: (226) [system] get_char((0x55772f068e50), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _696246)
   Call: (227) [system] peek_char((0x55772f068e50), _697180)
   Exit: (227) [system] peek_char((0x55772f068e50), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_701900, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_702832, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x55772f068e50), n)
   Exit: (227) [system] get_char((0x55772f068e50), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _710182)
   Call: (228) [system] peek_char((0x55772f068e50), _711116)
   Exit: (228) [system] peek_char((0x55772f068e50), 'I')
^  Call: (228) [user] is_delimiter('I')
   Call: (229) [system] char_type('I', space)
   Fail: (229) [system] char_type('I', space)
   Call: (229) [system] arg(_715836, v('(', ')', end_of_file), 'I')
   Fail: (229) [system] arg(_716768, v('(', ')', end_of_file), 'I')
^  Fail: (228) [user] is_delimiter('I')
   Call: (228) [system] ')'=='I'
   Fail: (228) [system] ')'=='I'
   Call: (228) [system] get_char((0x55772f068e50), 'I')
   Exit: (228) [system] get_char((0x55772f068e50), 'I')
   Call: (228) [system] 'I'=(\)
   Fail: (228) [system] 'I'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _724118)
   Call: (229) [system] peek_char((0x55772f068e50), _725052)
   Exit: (229) [system] peek_char((0x55772f068e50), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_729772, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_730704, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x55772f068e50), n)
   Exit: (229) [system] get_char((0x55772f068e50), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _738054)
   Call: (230) [system] peek_char((0x55772f068e50), _738988)
   Exit: (230) [system] peek_char((0x55772f068e50), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_743708, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_744640, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x55772f068e50), t)
   Exit: (230) [system] get_char((0x55772f068e50), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _751990)
   Call: (231) [system] peek_char((0x55772f068e50), _752924)
   Exit: (231) [system] peek_char((0x55772f068e50), r)
^  Call: (231) [user] is_delimiter(r)
   Call: (232) [system] char_type(r, space)
   Fail: (232) [system] char_type(r, space)
   Call: (232) [system] arg(_757644, v('(', ')', end_of_file), r)
   Fail: (232) [system] arg(_758576, v('(', ')', end_of_file), r)
^  Fail: (231) [user] is_delimiter(r)
   Call: (231) [system] ')'==r
   Fail: (231) [system] ')'==r
   Call: (231) [system] get_char((0x55772f068e50), r)
   Exit: (231) [system] get_char((0x55772f068e50), r)
   Call: (231) [system] r=(\)
   Fail: (231) [system] r=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _765926)
   Call: (232) [system] peek_char((0x55772f068e50), _766860)
   Exit: (232) [system] peek_char((0x55772f068e50), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_771580, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_772512, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x55772f068e50), o)
   Exit: (232) [system] get_char((0x55772f068e50), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _779862)
   Call: (233) [system] peek_char((0x55772f068e50), _780796)
   Exit: (233) [system] peek_char((0x55772f068e50), d)
^  Call: (233) [user] is_delimiter(d)
   Call: (234) [system] char_type(d, space)
   Fail: (234) [system] char_type(d, space)
   Call: (234) [system] arg(_785516, v('(', ')', end_of_file), d)
   Fail: (234) [system] arg(_786448, v('(', ')', end_of_file), d)
^  Fail: (233) [user] is_delimiter(d)
   Call: (233) [system] ')'==d
   Fail: (233) [system] ')'==d
   Call: (233) [system] get_char((0x55772f068e50), d)
   Exit: (233) [system] get_char((0x55772f068e50), d)
   Call: (233) [system] d=(\)
   Fail: (233) [system] d=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _793798)
   Call: (234) [system] peek_char((0x55772f068e50), _794732)
   Exit: (234) [system] peek_char((0x55772f068e50), u)
^  Call: (234) [user] is_delimiter(u)
   Call: (235) [system] char_type(u, space)
   Fail: (235) [system] char_type(u, space)
   Call: (235) [system] arg(_799452, v('(', ')', end_of_file), u)
   Fail: (235) [system] arg(_800384, v('(', ')', end_of_file), u)
^  Fail: (234) [user] is_delimiter(u)
   Call: (234) [system] ')'==u
   Fail: (234) [system] ')'==u
   Call: (234) [system] get_char((0x55772f068e50), u)
   Exit: (234) [system] get_char((0x55772f068e50), u)
   Call: (234) [system] u=(\)
   Fail: (234) [system] u=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _807734)
   Call: (235) [system] peek_char((0x55772f068e50), _808668)
   Exit: (235) [system] peek_char((0x55772f068e50), c)
^  Call: (235) [user] is_delimiter(c)
   Call: (236) [system] char_type(c, space)
   Fail: (236) [system] char_type(c, space)
   Call: (236) [system] arg(_813388, v('(', ')', end_of_file), c)
   Fail: (236) [system] arg(_814320, v('(', ')', end_of_file), c)
^  Fail: (235) [user] is_delimiter(c)
   Call: (235) [system] ')'==c
   Fail: (235) [system] ')'==c
   Call: (235) [system] get_char((0x55772f068e50), c)
   Exit: (235) [system] get_char((0x55772f068e50), c)
   Call: (235) [system] c=(\)
   Fail: (235) [system] c=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _821670)
   Call: (236) [system] peek_char((0x55772f068e50), _822604)
   Exit: (236) [system] peek_char((0x55772f068e50), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Fail: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_827324, v('(', ')', end_of_file), t)
   Fail: (237) [system] arg(_828256, v('(', ')', end_of_file), t)
^  Fail: (236) [user] is_delimiter(t)
   Call: (236) [system] ')'==t
   Fail: (236) [system] ')'==t
   Call: (236) [system] get_char((0x55772f068e50), t)
   Exit: (236) [system] get_char((0x55772f068e50), t)
   Call: (236) [system] t=(\)
   Fail: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _835606)
   Call: (237) [system] peek_char((0x55772f068e50), _836540)
   Exit: (237) [system] peek_char((0x55772f068e50), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Fail: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_841260, v('(', ')', end_of_file), i)
   Fail: (238) [system] arg(_842192, v('(', ')', end_of_file), i)
^  Fail: (237) [user] is_delimiter(i)
   Call: (237) [system] ')'==i
   Fail: (237) [system] ')'==i
   Call: (237) [system] get_char((0x55772f068e50), i)
   Exit: (237) [system] get_char((0x55772f068e50), i)
   Call: (237) [system] i=(\)
   Fail: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _849542)
   Call: (238) [system] peek_char((0x55772f068e50), _850476)
   Exit: (238) [system] peek_char((0x55772f068e50), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Fail: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_855196, v('(', ')', end_of_file), o)
   Fail: (239) [system] arg(_856128, v('(', ')', end_of_file), o)
^  Fail: (238) [user] is_delimiter(o)
   Call: (238) [system] ')'==o
   Fail: (238) [system] ')'==o
   Call: (238) [system] get_char((0x55772f068e50), o)
   Exit: (238) [system] get_char((0x55772f068e50), o)
   Call: (238) [system] o=(\)
   Fail: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _863478)
   Call: (239) [system] peek_char((0x55772f068e50), _864412)
   Exit: (239) [system] peek_char((0x55772f068e50), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Fail: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_869132, v('(', ')', end_of_file), n)
   Fail: (240) [system] arg(_870064, v('(', ')', end_of_file), n)
^  Fail: (239) [user] is_delimiter(n)
   Call: (239) [system] ')'==n
   Fail: (239) [system] ')'==n
   Call: (239) [system] get_char((0x55772f068e50), n)
   Exit: (239) [system] get_char((0x55772f068e50), n)
   Call: (239) [system] n=(\)
   Fail: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _877414)
   Call: (240) [system] peek_char((0x55772f068e50), _878348)
   Exit: (240) [system] peek_char((0x55772f068e50), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _877414=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (239) [system] _863478=[n]
   Exit: (239) [system] [n]=[n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (238) [system] _849542=[o, n]
   Exit: (238) [system] [o, n]=[o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (237) [system] _835606=[i, o, n]
   Exit: (237) [system] [i, o, n]=[i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (236) [system] _821670=[t, i, o, n]
   Exit: (236) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (235) [system] _807734=[c, t, i, o, n]
   Exit: (235) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (234) [system] _793798=[u, c, t, i, o, n]
   Exit: (234) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (233) [system] _779862=[d, u, c, t, i, o, n]
   Exit: (233) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (232) [system] _765926=[o, d, u, c, t, i, o, n]
   Exit: (232) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (231) [system] _751990=[r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _738054=[t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _724118=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _710182=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _696246=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _682310=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _668374=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _654438=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _640502=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _626566=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _612630=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _598694=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _584758=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _570822=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (217) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _535312)
^  Call: (218) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _949100)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_950052, _950054), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _949100), _950034, fail)), '$restore_trace'(_950052, _950054))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_950052, _950054))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _949100), _950034, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_949100)
   Fail: (219) [system] atomic(_949100)
   Call: (219) [system] atom_chars(_949100, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (219) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (218) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (218) [system] integer('DisjunctionIntroduction')
   Fail: (218) [system] integer('DisjunctionIntroduction')
   Call: (218) [system] _535312='DisjunctionIntroduction'
   Exit: (218) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (217) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (216) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (215) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (215) [user] read_list(')', (0x55772f068e50), _964050)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _965908)
   Exit: (217) [system] peek_char((0x55772f068e50), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x55772f068e50), _975502)
   Exit: (217) [system] get_char((0x55772f068e50), ' ')
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _978206)
   Exit: (218) [system] peek_char((0x55772f068e50), a)
   Call: (218) [system] a=(;)
   Fail: (218) [system] a=(;)
   Call: (218) [system] a=(/)
   Fail: (218) [system] a=(/)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Fail: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Fail: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
   Fail: (219) [system] char_type(a, cntrl)
^  Fail: (218) [user] is_like_space(a)
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _995140)
   Exit: (216) [system] peek_char((0x55772f068e50), a)
   Call: (216) [system] a=')'
   Fail: (216) [system] a=')'
   Call: (216) [system] a=end_of_file
   Fail: (216) [system] a=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x55772f068e50), _1000710)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1002568)
   Exit: (218) [system] peek_char((0x55772f068e50), a)
   Call: (218) [system] a=(;)
   Fail: (218) [system] a=(;)
   Call: (218) [system] a=(/)
   Fail: (218) [system] a=(/)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Fail: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Fail: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
   Fail: (219) [system] char_type(a, cntrl)
^  Fail: (218) [user] is_like_space(a)
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] get_char((0x55772f068e50), _1018578)
   Exit: (217) [system] get_char((0x55772f068e50), a)
   Call: (217) [system] a='('
   Fail: (217) [system] a='('
   Call: (217) [system] a='['
   Fail: (217) [system] a='['
   Call: (217) [system] a='{'
   Fail: (217) [system] a='{'
   Call: (217) [system] a='"'
   Fail: (217) [system] a='"'
   Call: (217) [system] a=!
   Fail: (217) [system] a=!
   Call: (217) [system] a='\''
   Fail: (217) [system] a='\''
   Call: (217) [system] a='`'
   Fail: (217) [system] a='`'
   Call: (217) [system] a=end_of_file
   Fail: (217) [system] a=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x55772f068e50), a, _1000710)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1036220)
   Call: (219) [system] peek_char((0x55772f068e50), _1037154)
   Exit: (219) [system] peek_char((0x55772f068e50), b)
^  Call: (219) [user] is_delimiter(b)
   Call: (220) [system] char_type(b, space)
   Fail: (220) [system] char_type(b, space)
   Call: (220) [system] arg(_1041874, v('(', ')', end_of_file), b)
   Fail: (220) [system] arg(_1042806, v('(', ')', end_of_file), b)
^  Fail: (219) [user] is_delimiter(b)
   Call: (219) [system] ')'==b
   Fail: (219) [system] ')'==b
   Call: (219) [system] get_char((0x55772f068e50), b)
   Exit: (219) [system] get_char((0x55772f068e50), b)
   Call: (219) [system] b=(\)
   Fail: (219) [system] b=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1050156)
   Call: (220) [system] peek_char((0x55772f068e50), _1051090)
   Exit: (220) [system] peek_char((0x55772f068e50), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_1055810, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_1056742, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x55772f068e50), c)
   Exit: (220) [system] get_char((0x55772f068e50), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1064092)
   Call: (221) [system] peek_char((0x55772f068e50), _1065026)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _1064092=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (220) [system] _1050156=[c]
   Exit: (220) [system] [c]=[c]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (219) [system] _1036220=[b, c]
   Exit: (219) [system] [b, c]=[b, c]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (218) [user] classify_and_convert_charseq([a, b, c], _1000710)
^  Call: (219) [user] classify_and_convert_charseq_([a, b, c], _1079898)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1080850, _1080852), once(user:catch(read_from_chars([a, b, c], _1079898), _1080832, fail)), '$restore_trace'(_1080850, _1080852))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1080850, _1080852))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1080832, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(abc)
   Exit: (220) [system] atomic(abc)
^  Exit: (219) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (219) [system] integer(abc)
   Fail: (219) [system] integer(abc)
   Call: (219) [system] _1000710=abc
   Exit: (219) [system] abc=abc
^  Exit: (218) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (217) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (216) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (216) [user] read_list(')', (0x55772f068e50), _1092978)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1094836)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x55772f068e50), _1104430)
   Exit: (218) [system] get_char((0x55772f068e50), ' ')
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1107134)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1124068)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _1129638)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1131496)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _1147506)
   Exit: (218) [system] get_char((0x55772f068e50), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x55772f068e50), _1129638)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1153076)
   Exit: (220) [system] peek_char((0x55772f068e50), 'D')
   Call: (220) [system] 'D'=(;)
   Fail: (220) [system] 'D'=(;)
   Call: (220) [system] 'D'=(/)
   Fail: (220) [system] 'D'=(/)
^  Call: (220) [user] is_like_space('D')
   Call: (221) [system] char_type('D', 'white')
   Fail: (221) [system] char_type('D', 'white')
   Call: (221) [system] char_type('D', end_of_line)
   Fail: (221) [system] char_type('D', end_of_line)
   Call: (221) [system] char_type('D', space)
   Fail: (221) [system] char_type('D', space)
   Call: (221) [system] char_type('D', cntrl)
   Fail: (221) [system] char_type('D', cntrl)
^  Fail: (220) [user] is_like_space('D')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1169086)
   Exit: (219) [system] peek_char((0x55772f068e50), 'D')
   Call: (219) [system] 'D'=')'
   Fail: (219) [system] 'D'=')'
   Call: (219) [system] 'D'=end_of_file
   Fail: (219) [system] 'D'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _1174656)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1176514)
   Exit: (221) [system] peek_char((0x55772f068e50), 'D')
   Call: (221) [system] 'D'=(;)
   Fail: (221) [system] 'D'=(;)
   Call: (221) [system] 'D'=(/)
   Fail: (221) [system] 'D'=(/)
^  Call: (221) [user] is_like_space('D')
   Call: (222) [system] char_type('D', 'white')
   Fail: (222) [system] char_type('D', 'white')
   Call: (222) [system] char_type('D', end_of_line)
   Fail: (222) [system] char_type('D', end_of_line)
   Call: (222) [system] char_type('D', space)
   Fail: (222) [system] char_type('D', space)
   Call: (222) [system] char_type('D', cntrl)
   Fail: (222) [system] char_type('D', cntrl)
^  Fail: (221) [user] is_like_space('D')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _1192524)
   Exit: (220) [system] get_char((0x55772f068e50), 'D')
   Call: (220) [system] 'D'='('
   Fail: (220) [system] 'D'='('
   Call: (220) [system] 'D'='['
   Fail: (220) [system] 'D'='['
   Call: (220) [system] 'D'='{'
   Fail: (220) [system] 'D'='{'
   Call: (220) [system] 'D'='"'
   Fail: (220) [system] 'D'='"'
   Call: (220) [system] 'D'=!
   Fail: (220) [system] 'D'=!
   Call: (220) [system] 'D'='\''
   Fail: (220) [system] 'D'='\''
   Call: (220) [system] 'D'='`'
   Fail: (220) [system] 'D'='`'
   Call: (220) [system] 'D'=end_of_file
   Fail: (220) [system] 'D'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x55772f068e50), 'D', _1174656)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1210166)
   Call: (222) [system] peek_char((0x55772f068e50), _1211100)
   Exit: (222) [system] peek_char((0x55772f068e50), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1215820, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_1216752, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x55772f068e50), i)
   Exit: (222) [system] get_char((0x55772f068e50), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1224102)
   Call: (223) [system] peek_char((0x55772f068e50), _1225036)
   Exit: (223) [system] peek_char((0x55772f068e50), s)
^  Call: (223) [user] is_delimiter(s)
   Call: (224) [system] char_type(s, space)
   Fail: (224) [system] char_type(s, space)
   Call: (224) [system] arg(_1229756, v('(', ')', end_of_file), s)
   Fail: (224) [system] arg(_1230688, v('(', ')', end_of_file), s)
^  Fail: (223) [user] is_delimiter(s)
   Call: (223) [system] ')'==s
   Fail: (223) [system] ')'==s
   Call: (223) [system] get_char((0x55772f068e50), s)
   Exit: (223) [system] get_char((0x55772f068e50), s)
   Call: (223) [system] s=(\)
   Fail: (223) [system] s=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1238038)
   Call: (224) [system] peek_char((0x55772f068e50), _1238972)
   Exit: (224) [system] peek_char((0x55772f068e50), j)
^  Call: (224) [user] is_delimiter(j)
   Call: (225) [system] char_type(j, space)
   Fail: (225) [system] char_type(j, space)
   Call: (225) [system] arg(_1243692, v('(', ')', end_of_file), j)
   Fail: (225) [system] arg(_1244624, v('(', ')', end_of_file), j)
^  Fail: (224) [user] is_delimiter(j)
   Call: (224) [system] ')'==j
   Fail: (224) [system] ')'==j
   Call: (224) [system] get_char((0x55772f068e50), j)
   Exit: (224) [system] get_char((0x55772f068e50), j)
   Call: (224) [system] j=(\)
   Fail: (224) [system] j=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1251974)
   Call: (225) [system] peek_char((0x55772f068e50), _1252908)
   Exit: (225) [system] peek_char((0x55772f068e50), u)
^  Call: (225) [user] is_delimiter(u)
   Call: (226) [system] char_type(u, space)
   Fail: (226) [system] char_type(u, space)
   Call: (226) [system] arg(_1257628, v('(', ')', end_of_file), u)
   Fail: (226) [system] arg(_1258560, v('(', ')', end_of_file), u)
^  Fail: (225) [user] is_delimiter(u)
   Call: (225) [system] ')'==u
   Fail: (225) [system] ')'==u
   Call: (225) [system] get_char((0x55772f068e50), u)
   Exit: (225) [system] get_char((0x55772f068e50), u)
   Call: (225) [system] u=(\)
   Fail: (225) [system] u=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1265910)
   Call: (226) [system] peek_char((0x55772f068e50), _1266844)
   Exit: (226) [system] peek_char((0x55772f068e50), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1271564, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1272496, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x55772f068e50), n)
   Exit: (226) [system] get_char((0x55772f068e50), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1279846)
   Call: (227) [system] peek_char((0x55772f068e50), _1280780)
   Exit: (227) [system] peek_char((0x55772f068e50), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_1285500, v('(', ')', end_of_file), c)
   Fail: (228) [system] arg(_1286432, v('(', ')', end_of_file), c)
^  Fail: (227) [user] is_delimiter(c)
   Call: (227) [system] ')'==c
   Fail: (227) [system] ')'==c
   Call: (227) [system] get_char((0x55772f068e50), c)
   Exit: (227) [system] get_char((0x55772f068e50), c)
   Call: (227) [system] c=(\)
   Fail: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1293782)
   Call: (228) [system] peek_char((0x55772f068e50), _1294716)
   Exit: (228) [system] peek_char((0x55772f068e50), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_1299436, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_1300368, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x55772f068e50), t)
   Exit: (228) [system] get_char((0x55772f068e50), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1307718)
   Call: (229) [system] peek_char((0x55772f068e50), _1308652)
   Exit: (229) [system] peek_char((0x55772f068e50), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1313372, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1314304, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x55772f068e50), i)
   Exit: (229) [system] get_char((0x55772f068e50), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1321654)
   Call: (230) [system] peek_char((0x55772f068e50), _1322588)
   Exit: (230) [system] peek_char((0x55772f068e50), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_1327308, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_1328240, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x55772f068e50), o)
   Exit: (230) [system] get_char((0x55772f068e50), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1335590)
   Call: (231) [system] peek_char((0x55772f068e50), _1336524)
   Exit: (231) [system] peek_char((0x55772f068e50), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1341244, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1342176, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x55772f068e50), n)
   Exit: (231) [system] get_char((0x55772f068e50), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1349526)
   Call: (232) [system] peek_char((0x55772f068e50), _1350460)
   Exit: (232) [system] peek_char((0x55772f068e50), 'I')
^  Call: (232) [user] is_delimiter('I')
   Call: (233) [system] char_type('I', space)
   Fail: (233) [system] char_type('I', space)
   Call: (233) [system] arg(_1355180, v('(', ')', end_of_file), 'I')
   Fail: (233) [system] arg(_1356112, v('(', ')', end_of_file), 'I')
^  Fail: (232) [user] is_delimiter('I')
   Call: (232) [system] ')'=='I'
   Fail: (232) [system] ')'=='I'
   Call: (232) [system] get_char((0x55772f068e50), 'I')
   Exit: (232) [system] get_char((0x55772f068e50), 'I')
   Call: (232) [system] 'I'=(\)
   Fail: (232) [system] 'I'=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1363462)
   Call: (233) [system] peek_char((0x55772f068e50), _1364396)
   Exit: (233) [system] peek_char((0x55772f068e50), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1369116, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_1370048, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x55772f068e50), n)
   Exit: (233) [system] get_char((0x55772f068e50), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1377398)
   Call: (234) [system] peek_char((0x55772f068e50), _1378332)
   Exit: (234) [system] peek_char((0x55772f068e50), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Fail: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_1383052, v('(', ')', end_of_file), t)
   Fail: (235) [system] arg(_1383984, v('(', ')', end_of_file), t)
^  Fail: (234) [user] is_delimiter(t)
   Call: (234) [system] ')'==t
   Fail: (234) [system] ')'==t
   Call: (234) [system] get_char((0x55772f068e50), t)
   Exit: (234) [system] get_char((0x55772f068e50), t)
   Call: (234) [system] t=(\)
   Fail: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1391334)
   Call: (235) [system] peek_char((0x55772f068e50), _1392268)
   Exit: (235) [system] peek_char((0x55772f068e50), r)
^  Call: (235) [user] is_delimiter(r)
   Call: (236) [system] char_type(r, space)
   Fail: (236) [system] char_type(r, space)
   Call: (236) [system] arg(_1396988, v('(', ')', end_of_file), r)
   Fail: (236) [system] arg(_1397920, v('(', ')', end_of_file), r)
^  Fail: (235) [user] is_delimiter(r)
   Call: (235) [system] ')'==r
   Fail: (235) [system] ')'==r
   Call: (235) [system] get_char((0x55772f068e50), r)
   Exit: (235) [system] get_char((0x55772f068e50), r)
   Call: (235) [system] r=(\)
   Fail: (235) [system] r=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1405270)
   Call: (236) [system] peek_char((0x55772f068e50), _1406204)
   Exit: (236) [system] peek_char((0x55772f068e50), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Fail: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_1410924, v('(', ')', end_of_file), o)
   Fail: (237) [system] arg(_1411856, v('(', ')', end_of_file), o)
^  Fail: (236) [user] is_delimiter(o)
   Call: (236) [system] ')'==o
   Fail: (236) [system] ')'==o
   Call: (236) [system] get_char((0x55772f068e50), o)
   Exit: (236) [system] get_char((0x55772f068e50), o)
   Call: (236) [system] o=(\)
   Fail: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1419206)
   Call: (237) [system] peek_char((0x55772f068e50), _1420140)
   Exit: (237) [system] peek_char((0x55772f068e50), d)
^  Call: (237) [user] is_delimiter(d)
   Call: (238) [system] char_type(d, space)
   Fail: (238) [system] char_type(d, space)
   Call: (238) [system] arg(_1424860, v('(', ')', end_of_file), d)
   Fail: (238) [system] arg(_1425792, v('(', ')', end_of_file), d)
^  Fail: (237) [user] is_delimiter(d)
   Call: (237) [system] ')'==d
   Fail: (237) [system] ')'==d
   Call: (237) [system] get_char((0x55772f068e50), d)
   Exit: (237) [system] get_char((0x55772f068e50), d)
   Call: (237) [system] d=(\)
   Fail: (237) [system] d=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _1433142)
   Call: (238) [system] peek_char((0x55772f068e50), _1434076)
   Exit: (238) [system] peek_char((0x55772f068e50), u)
^  Call: (238) [user] is_delimiter(u)
   Call: (239) [system] char_type(u, space)
   Fail: (239) [system] char_type(u, space)
   Call: (239) [system] arg(_1438796, v('(', ')', end_of_file), u)
   Fail: (239) [system] arg(_1439728, v('(', ')', end_of_file), u)
^  Fail: (238) [user] is_delimiter(u)
   Call: (238) [system] ')'==u
   Fail: (238) [system] ')'==u
   Call: (238) [system] get_char((0x55772f068e50), u)
   Exit: (238) [system] get_char((0x55772f068e50), u)
   Call: (238) [system] u=(\)
   Fail: (238) [system] u=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _1447078)
   Call: (239) [system] peek_char((0x55772f068e50), _1448012)
   Exit: (239) [system] peek_char((0x55772f068e50), c)
^  Call: (239) [user] is_delimiter(c)
   Call: (240) [system] char_type(c, space)
   Fail: (240) [system] char_type(c, space)
   Call: (240) [system] arg(_1452732, v('(', ')', end_of_file), c)
   Fail: (240) [system] arg(_1453664, v('(', ')', end_of_file), c)
^  Fail: (239) [user] is_delimiter(c)
   Call: (239) [system] ')'==c
   Fail: (239) [system] ')'==c
   Call: (239) [system] get_char((0x55772f068e50), c)
   Exit: (239) [system] get_char((0x55772f068e50), c)
   Call: (239) [system] c=(\)
   Fail: (239) [system] c=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _1461014)
   Call: (240) [system] peek_char((0x55772f068e50), _1461948)
   Exit: (240) [system] peek_char((0x55772f068e50), t)
^  Call: (240) [user] is_delimiter(t)
   Call: (241) [system] char_type(t, space)
   Fail: (241) [system] char_type(t, space)
   Call: (241) [system] arg(_1466668, v('(', ')', end_of_file), t)
   Fail: (241) [system] arg(_1467600, v('(', ')', end_of_file), t)
^  Fail: (240) [user] is_delimiter(t)
   Call: (240) [system] ')'==t
   Fail: (240) [system] ')'==t
   Call: (240) [system] get_char((0x55772f068e50), t)
   Exit: (240) [system] get_char((0x55772f068e50), t)
   Call: (240) [system] t=(\)
   Fail: (240) [system] t=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _1474950)
   Call: (241) [system] peek_char((0x55772f068e50), _1475884)
   Exit: (241) [system] peek_char((0x55772f068e50), i)
^  Call: (241) [user] is_delimiter(i)
   Call: (242) [system] char_type(i, space)
   Fail: (242) [system] char_type(i, space)
   Call: (242) [system] arg(_1480604, v('(', ')', end_of_file), i)
   Fail: (242) [system] arg(_1481536, v('(', ')', end_of_file), i)
^  Fail: (241) [user] is_delimiter(i)
   Call: (241) [system] ')'==i
   Fail: (241) [system] ')'==i
   Call: (241) [system] get_char((0x55772f068e50), i)
   Exit: (241) [system] get_char((0x55772f068e50), i)
   Call: (241) [system] i=(\)
   Fail: (241) [system] i=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x55772f068e50), _1488886)
   Call: (242) [system] peek_char((0x55772f068e50), _1489820)
   Exit: (242) [system] peek_char((0x55772f068e50), o)
^  Call: (242) [user] is_delimiter(o)
   Call: (243) [system] char_type(o, space)
   Fail: (243) [system] char_type(o, space)
   Call: (243) [system] arg(_1494540, v('(', ')', end_of_file), o)
   Fail: (243) [system] arg(_1495472, v('(', ')', end_of_file), o)
^  Fail: (242) [user] is_delimiter(o)
   Call: (242) [system] ')'==o
   Fail: (242) [system] ')'==o
   Call: (242) [system] get_char((0x55772f068e50), o)
   Exit: (242) [system] get_char((0x55772f068e50), o)
   Call: (242) [system] o=(\)
   Fail: (242) [system] o=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x55772f068e50), _1502822)
   Call: (243) [system] peek_char((0x55772f068e50), _1503756)
   Exit: (243) [system] peek_char((0x55772f068e50), n)
^  Call: (243) [user] is_delimiter(n)
   Call: (244) [system] char_type(n, space)
   Fail: (244) [system] char_type(n, space)
   Call: (244) [system] arg(_1508476, v('(', ')', end_of_file), n)
   Fail: (244) [system] arg(_1509408, v('(', ')', end_of_file), n)
^  Fail: (243) [user] is_delimiter(n)
   Call: (243) [system] ')'==n
   Fail: (243) [system] ')'==n
   Call: (243) [system] get_char((0x55772f068e50), n)
   Exit: (243) [system] get_char((0x55772f068e50), n)
   Call: (243) [system] n=(\)
   Fail: (243) [system] n=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x55772f068e50), _1516758)
   Call: (244) [system] peek_char((0x55772f068e50), _1517692)
   Exit: (244) [system] peek_char((0x55772f068e50), ' ')
^  Call: (244) [user] is_delimiter(' ')
   Call: (245) [system] char_type(' ', space)
   Exit: (245) [system] char_type(' ', space)
^  Exit: (244) [user] is_delimiter(' ')
   Call: (244) [system] _1516758=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (243) [system] _1502822=[n]
   Exit: (243) [system] [n]=[n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (242) [system] _1488886=[o, n]
   Exit: (242) [system] [o, n]=[o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (241) [system] _1474950=[i, o, n]
   Exit: (241) [system] [i, o, n]=[i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (240) [system] _1461014=[t, i, o, n]
   Exit: (240) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (239) [system] _1447078=[c, t, i, o, n]
   Exit: (239) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (238) [system] _1433142=[u, c, t, i, o, n]
   Exit: (238) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (237) [system] _1419206=[d, u, c, t, i, o, n]
   Exit: (237) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (236) [system] _1405270=[o, d, u, c, t, i, o, n]
   Exit: (236) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (235) [system] _1391334=[r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1377398=[t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1363462=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1349526=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1335590=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1321654=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1307718=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1293782=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1279846=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1265910=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1251974=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1238038=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1224102=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1210166=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (221) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1174656)
^  Call: (222) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1588444)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1589396, _1589398), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1588444), _1589378, fail)), '$restore_trace'(_1589396, _1589398))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1589396, _1589398))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1588444), _1589378, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1588444)
   Fail: (223) [system] atomic(_1588444)
   Call: (223) [system] atom_chars(_1588444, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (223) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (222) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (222) [system] integer('DisjunctionIntroduction')
   Fail: (222) [system] integer('DisjunctionIntroduction')
   Call: (222) [system] _1174656='DisjunctionIntroduction'
   Exit: (222) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (221) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (220) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (219) [user] read_list(')', (0x55772f068e50), _1603394)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1605252)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x55772f068e50), _1614846)
   Exit: (221) [system] get_char((0x55772f068e50), ' ')
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1617550)
   Exit: (222) [system] peek_char((0x55772f068e50), a)
   Call: (222) [system] a=(;)
   Fail: (222) [system] a=(;)
   Call: (222) [system] a=(/)
   Fail: (222) [system] a=(/)
^  Call: (222) [user] is_like_space(a)
   Call: (223) [system] char_type(a, 'white')
   Fail: (223) [system] char_type(a, 'white')
   Call: (223) [system] char_type(a, end_of_line)
   Fail: (223) [system] char_type(a, end_of_line)
   Call: (223) [system] char_type(a, space)
   Fail: (223) [system] char_type(a, space)
   Call: (223) [system] char_type(a, cntrl)
   Fail: (223) [system] char_type(a, cntrl)
^  Fail: (222) [user] is_like_space(a)
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1634484)
   Exit: (220) [system] peek_char((0x55772f068e50), a)
   Call: (220) [system] a=')'
   Fail: (220) [system] a=')'
   Call: (220) [system] a=end_of_file
   Fail: (220) [system] a=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _1640054)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1641912)
   Exit: (222) [system] peek_char((0x55772f068e50), a)
   Call: (222) [system] a=(;)
   Fail: (222) [system] a=(;)
   Call: (222) [system] a=(/)
   Fail: (222) [system] a=(/)
^  Call: (222) [user] is_like_space(a)
   Call: (223) [system] char_type(a, 'white')
   Fail: (223) [system] char_type(a, 'white')
   Call: (223) [system] char_type(a, end_of_line)
   Fail: (223) [system] char_type(a, end_of_line)
   Call: (223) [system] char_type(a, space)
   Fail: (223) [system] char_type(a, space)
   Call: (223) [system] char_type(a, cntrl)
   Fail: (223) [system] char_type(a, cntrl)
^  Fail: (222) [user] is_like_space(a)
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _1657922)
   Exit: (221) [system] get_char((0x55772f068e50), a)
   Call: (221) [system] a='('
   Fail: (221) [system] a='('
   Call: (221) [system] a='['
   Fail: (221) [system] a='['
   Call: (221) [system] a='{'
   Fail: (221) [system] a='{'
   Call: (221) [system] a='"'
   Fail: (221) [system] a='"'
   Call: (221) [system] a=!
   Fail: (221) [system] a=!
   Call: (221) [system] a='\''
   Fail: (221) [system] a='\''
   Call: (221) [system] a='`'
   Fail: (221) [system] a='`'
   Call: (221) [system] a=end_of_file
   Fail: (221) [system] a=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x55772f068e50), a, _1640054)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1675564)
   Call: (223) [system] peek_char((0x55772f068e50), _1676498)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1675564=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (222) [user] classify_and_convert_charseq([a], _1640054)
^  Call: (223) [user] classify_and_convert_charseq_([a], _1685782)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1686734, _1686736), once(user:catch(read_from_chars([a], _1685782), _1686716, fail)), '$restore_trace'(_1686734, _1686736))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1686734, _1686736))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1686716, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(a)
   Exit: (224) [system] atomic(a)
^  Exit: (223) [user] classify_and_convert_charseq_([a], a)
   Call: (223) [system] integer(a)
   Fail: (223) [system] integer(a)
   Call: (223) [system] _1640054=a
   Exit: (223) [system] a=a
^  Exit: (222) [user] classify_and_convert_charseq([a], a)
^  Exit: (221) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (220) [user] read_list(')', (0x55772f068e50), _1698862)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1700720)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x55772f068e50), _1710314)
   Exit: (222) [system] get_char((0x55772f068e50), ' ')
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1713018)
   Exit: (223) [system] peek_char((0x55772f068e50), a)
   Call: (223) [system] a=(;)
   Fail: (223) [system] a=(;)
   Call: (223) [system] a=(/)
   Fail: (223) [system] a=(/)
^  Call: (223) [user] is_like_space(a)
   Call: (224) [system] char_type(a, 'white')
   Fail: (224) [system] char_type(a, 'white')
   Call: (224) [system] char_type(a, end_of_line)
   Fail: (224) [system] char_type(a, end_of_line)
   Call: (224) [system] char_type(a, space)
   Fail: (224) [system] char_type(a, space)
   Call: (224) [system] char_type(a, cntrl)
   Fail: (224) [system] char_type(a, cntrl)
^  Fail: (223) [user] is_like_space(a)
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1729952)
   Exit: (221) [system] peek_char((0x55772f068e50), a)
   Call: (221) [system] a=')'
   Fail: (221) [system] a=')'
   Call: (221) [system] a=end_of_file
   Fail: (221) [system] a=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _1735522)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1737380)
   Exit: (223) [system] peek_char((0x55772f068e50), a)
   Call: (223) [system] a=(;)
   Fail: (223) [system] a=(;)
   Call: (223) [system] a=(/)
   Fail: (223) [system] a=(/)
^  Call: (223) [user] is_like_space(a)
   Call: (224) [system] char_type(a, 'white')
   Fail: (224) [system] char_type(a, 'white')
   Call: (224) [system] char_type(a, end_of_line)
   Fail: (224) [system] char_type(a, end_of_line)
   Call: (224) [system] char_type(a, space)
   Fail: (224) [system] char_type(a, space)
   Call: (224) [system] char_type(a, cntrl)
   Fail: (224) [system] char_type(a, cntrl)
^  Fail: (223) [user] is_like_space(a)
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _1753390)
   Exit: (222) [system] get_char((0x55772f068e50), a)
   Call: (222) [system] a='('
   Fail: (222) [system] a='('
   Call: (222) [system] a='['
   Fail: (222) [system] a='['
   Call: (222) [system] a='{'
   Fail: (222) [system] a='{'
   Call: (222) [system] a='"'
   Fail: (222) [system] a='"'
   Call: (222) [system] a=!
   Fail: (222) [system] a=!
   Call: (222) [system] a='\''
   Fail: (222) [system] a='\''
   Call: (222) [system] a='`'
   Fail: (222) [system] a='`'
   Call: (222) [system] a=end_of_file
   Fail: (222) [system] a=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x55772f068e50), a, _1735522)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1771032)
   Call: (224) [system] peek_char((0x55772f068e50), _1771966)
   Exit: (224) [system] peek_char((0x55772f068e50), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_1776686, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _1771032=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (223) [user] classify_and_convert_charseq([a], _1735522)
^  Call: (224) [user] classify_and_convert_charseq_([a], _1783122)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1784074, _1784076), once(user:catch(read_from_chars([a], _1783122), _1784056, fail)), '$restore_trace'(_1784074, _1784076))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1784074, _1784076))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1784056, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(a)
   Exit: (225) [system] atomic(a)
^  Exit: (224) [user] classify_and_convert_charseq_([a], a)
   Call: (224) [system] integer(a)
   Fail: (224) [system] integer(a)
   Call: (224) [system] _1735522=a
   Exit: (224) [system] a=a
^  Exit: (223) [user] classify_and_convert_charseq([a], a)
^  Exit: (222) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (221) [user] read_list(')', (0x55772f068e50), _1796202)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1798060)
   Exit: (223) [system] peek_char((0x55772f068e50), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
   Call: (223) [system] ')'=(/)
   Fail: (223) [system] ')'=(/)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1814070)
   Exit: (222) [system] peek_char((0x55772f068e50), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x55772f068e50), _1817860)
   Exit: (222) [system] get_char((0x55772f068e50), ')')
   Call: (222) [system] _1796202=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x55772f068e50), [])
   Call: (221) [system] _1698862=[a]
   Exit: (221) [system] [a]=[a]
^  Exit: (220) [user] read_list(')', (0x55772f068e50), [a])
   Call: (220) [system] _1603394=[a, a]
   Exit: (220) [system] [a, a]=[a, a]
^  Exit: (219) [user] read_list(')', (0x55772f068e50), [a, a])
   Call: (219) [system] _1129638=['DisjunctionIntroduction', a, a]
   Exit: (219) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (218) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', a, a])
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', a, a])
^  Call: (217) [user] read_list(')', (0x55772f068e50), _1831742)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1833600)
   Exit: (219) [system] peek_char((0x55772f068e50), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
   Call: (219) [system] ')'=(/)
   Fail: (219) [system] ')'=(/)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1849610)
   Exit: (218) [system] peek_char((0x55772f068e50), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x55772f068e50), _1853400)
   Exit: (218) [system] get_char((0x55772f068e50), ')')
   Call: (218) [system] _1831742=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x55772f068e50), [])
   Call: (217) [system] _1092978=[['DisjunctionIntroduction', a, a]]
   Exit: (217) [system] [['DisjunctionIntroduction', a, a]]=[['DisjunctionIntroduction', a, a]]
^  Exit: (216) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', a, a]])
   Call: (216) [system] _964050=[abc, ['DisjunctionIntroduction', a, a]]
   Exit: (216) [system] [abc, ['DisjunctionIntroduction', a, a]]=[abc, ['DisjunctionIntroduction', a, a]]
^  Exit: (215) [user] read_list(')', (0x55772f068e50), [abc, ['DisjunctionIntroduction', a, a]])
   Call: (215) [system] _490294=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]
   Exit: (215) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]
^  Exit: (214) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]])
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]])
^  Call: (213) [user] read_list(')', (0x55772f068e50), _1867282)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1869140)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x55772f068e50), _1878734)
   Exit: (215) [system] get_char((0x55772f068e50), ' ')
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1881438)
   Exit: (216) [system] peek_char((0x55772f068e50), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1898372)
   Exit: (214) [system] peek_char((0x55772f068e50), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _1903942)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1905800)
   Exit: (216) [system] peek_char((0x55772f068e50), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _1921810)
   Exit: (215) [system] get_char((0x55772f068e50), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x55772f068e50), _1903942)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1927380)
   Exit: (217) [system] peek_char((0x55772f068e50), 'O')
   Call: (217) [system] 'O'=(;)
   Fail: (217) [system] 'O'=(;)
   Call: (217) [system] 'O'=(/)
   Fail: (217) [system] 'O'=(/)
^  Call: (217) [user] is_like_space('O')
   Call: (218) [system] char_type('O', 'white')
   Fail: (218) [system] char_type('O', 'white')
   Call: (218) [system] char_type('O', end_of_line)
   Fail: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] char_type('O', space)
   Fail: (218) [system] char_type('O', space)
   Call: (218) [system] char_type('O', cntrl)
   Fail: (218) [system] char_type('O', cntrl)
^  Fail: (217) [user] is_like_space('O')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1943390)
   Exit: (216) [system] peek_char((0x55772f068e50), 'O')
   Call: (216) [system] 'O'=')'
   Fail: (216) [system] 'O'=')'
   Call: (216) [system] 'O'=end_of_file
   Fail: (216) [system] 'O'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x55772f068e50), _1948960)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1950818)
   Exit: (218) [system] peek_char((0x55772f068e50), 'O')
   Call: (218) [system] 'O'=(;)
   Fail: (218) [system] 'O'=(;)
   Call: (218) [system] 'O'=(/)
   Fail: (218) [system] 'O'=(/)
^  Call: (218) [user] is_like_space('O')
   Call: (219) [system] char_type('O', 'white')
   Fail: (219) [system] char_type('O', 'white')
   Call: (219) [system] char_type('O', end_of_line)
   Fail: (219) [system] char_type('O', end_of_line)
   Call: (219) [system] char_type('O', space)
   Fail: (219) [system] char_type('O', space)
   Call: (219) [system] char_type('O', cntrl)
   Fail: (219) [system] char_type('O', cntrl)
^  Fail: (218) [user] is_like_space('O')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] get_char((0x55772f068e50), _1966828)
   Exit: (217) [system] get_char((0x55772f068e50), 'O')
   Call: (217) [system] 'O'='('
   Fail: (217) [system] 'O'='('
   Call: (217) [system] 'O'='['
   Fail: (217) [system] 'O'='['
   Call: (217) [system] 'O'='{'
   Fail: (217) [system] 'O'='{'
   Call: (217) [system] 'O'='"'
   Fail: (217) [system] 'O'='"'
   Call: (217) [system] 'O'=!
   Fail: (217) [system] 'O'=!
   Call: (217) [system] 'O'='\''
   Fail: (217) [system] 'O'='\''
   Call: (217) [system] 'O'='`'
   Fail: (217) [system] 'O'='`'
   Call: (217) [system] 'O'=end_of_file
   Fail: (217) [system] 'O'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x55772f068e50), 'O', _1948960)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1984470)
   Call: (219) [system] peek_char((0x55772f068e50), _1985404)
   Exit: (219) [system] peek_char((0x55772f068e50), r)
^  Call: (219) [user] is_delimiter(r)
   Call: (220) [system] char_type(r, space)
   Fail: (220) [system] char_type(r, space)
   Call: (220) [system] arg(_1990124, v('(', ')', end_of_file), r)
   Fail: (220) [system] arg(_1991056, v('(', ')', end_of_file), r)
^  Fail: (219) [user] is_delimiter(r)
   Call: (219) [system] ')'==r
   Fail: (219) [system] ')'==r
   Call: (219) [system] get_char((0x55772f068e50), r)
   Exit: (219) [system] get_char((0x55772f068e50), r)
   Call: (219) [system] r=(\)
   Fail: (219) [system] r=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1998406)
   Call: (220) [system] peek_char((0x55772f068e50), _1999340)
   Exit: (220) [system] peek_char((0x55772f068e50), 'L')
^  Call: (220) [user] is_delimiter('L')
   Call: (221) [system] char_type('L', space)
   Fail: (221) [system] char_type('L', space)
   Call: (221) [system] arg(_2004060, v('(', ')', end_of_file), 'L')
   Fail: (221) [system] arg(_2004992, v('(', ')', end_of_file), 'L')
^  Fail: (220) [user] is_delimiter('L')
   Call: (220) [system] ')'=='L'
   Fail: (220) [system] ')'=='L'
   Call: (220) [system] get_char((0x55772f068e50), 'L')
   Exit: (220) [system] get_char((0x55772f068e50), 'L')
   Call: (220) [system] 'L'=(\)
   Fail: (220) [system] 'L'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _2012342)
   Call: (221) [system] peek_char((0x55772f068e50), _2013276)
   Exit: (221) [system] peek_char((0x55772f068e50), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_2017996, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_2018928, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x55772f068e50), i)
   Exit: (221) [system] get_char((0x55772f068e50), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _2026278)
   Call: (222) [system] peek_char((0x55772f068e50), _2027212)
   Exit: (222) [system] peek_char((0x55772f068e50), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_2031932, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_2032864, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x55772f068e50), n)
   Exit: (222) [system] get_char((0x55772f068e50), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _2040214)
   Call: (223) [system] peek_char((0x55772f068e50), _2041148)
   Exit: (223) [system] peek_char((0x55772f068e50), k)
^  Call: (223) [user] is_delimiter(k)
   Call: (224) [system] char_type(k, space)
   Fail: (224) [system] char_type(k, space)
   Call: (224) [system] arg(_2045868, v('(', ')', end_of_file), k)
   Fail: (224) [system] arg(_2046800, v('(', ')', end_of_file), k)
^  Fail: (223) [user] is_delimiter(k)
   Call: (223) [system] ')'==k
   Fail: (223) [system] ')'==k
   Call: (223) [system] get_char((0x55772f068e50), k)
   Exit: (223) [system] get_char((0x55772f068e50), k)
   Call: (223) [system] k=(\)
   Fail: (223) [system] k=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _2054150)
   Call: (224) [system] peek_char((0x55772f068e50), _2055084)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _2054150=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (223) [system] _2040214=[k]
   Exit: (223) [system] [k]=[k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (222) [system] _2026278=[n, k]
   Exit: (222) [system] [n, k]=[n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (221) [system] _2012342=[i, n, k]
   Exit: (221) [system] [i, n, k]=[i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (220) [system] _1998406=['L', i, n, k]
   Exit: (220) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (219) [system] _1984470=[r, 'L', i, n, k]
   Exit: (219) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (218) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1948960)
^  Call: (219) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _2078338)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_2079290, _2079292), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _2078338), _2079272, fail)), '$restore_trace'(_2079290, _2079292))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_2079290, _2079292))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _2078338), _2079272, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_2078338)
   Fail: (220) [system] atomic(_2078338)
   Call: (220) [system] atom_chars(_2078338, ['O', r, 'L', i, n, k])
   Exit: (220) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (219) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (219) [system] integer('OrLink')
   Fail: (219) [system] integer('OrLink')
   Call: (219) [system] _1948960='OrLink'
   Exit: (219) [system] 'OrLink'='OrLink'
^  Exit: (218) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (217) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (216) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (216) [user] read_list(')', (0x55772f068e50), _2093288)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _2095146)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x55772f068e50), _13098)
   Exit: (218) [system] get_char((0x55772f068e50), ' ')
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _15802)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _32736)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _38306)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _40164)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _56174)
   Exit: (218) [system] get_char((0x55772f068e50), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x55772f068e50), _38306)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _61744)
   Exit: (220) [system] peek_char((0x55772f068e50), 'I')
   Call: (220) [system] 'I'=(;)
   Fail: (220) [system] 'I'=(;)
   Call: (220) [system] 'I'=(/)
   Fail: (220) [system] 'I'=(/)
^  Call: (220) [user] is_like_space('I')
   Call: (221) [system] char_type('I', 'white')
   Fail: (221) [system] char_type('I', 'white')
   Call: (221) [system] char_type('I', end_of_line)
   Fail: (221) [system] char_type('I', end_of_line)
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] char_type('I', cntrl)
   Fail: (221) [system] char_type('I', cntrl)
^  Fail: (220) [user] is_like_space('I')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _77754)
   Exit: (219) [system] peek_char((0x55772f068e50), 'I')
   Call: (219) [system] 'I'=')'
   Fail: (219) [system] 'I'=')'
   Call: (219) [system] 'I'=end_of_file
   Fail: (219) [system] 'I'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _83324)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _85182)
   Exit: (221) [system] peek_char((0x55772f068e50), 'I')
   Call: (221) [system] 'I'=(;)
   Fail: (221) [system] 'I'=(;)
   Call: (221) [system] 'I'=(/)
   Fail: (221) [system] 'I'=(/)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Fail: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Fail: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
   Fail: (222) [system] char_type('I', cntrl)
^  Fail: (221) [user] is_like_space('I')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _101192)
   Exit: (220) [system] get_char((0x55772f068e50), 'I')
   Call: (220) [system] 'I'='('
   Fail: (220) [system] 'I'='('
   Call: (220) [system] 'I'='['
   Fail: (220) [system] 'I'='['
   Call: (220) [system] 'I'='{'
   Fail: (220) [system] 'I'='{'
   Call: (220) [system] 'I'='"'
   Fail: (220) [system] 'I'='"'
   Call: (220) [system] 'I'=!
   Fail: (220) [system] 'I'=!
   Call: (220) [system] 'I'='\''
   Fail: (220) [system] 'I'='\''
   Call: (220) [system] 'I'='`'
   Fail: (220) [system] 'I'='`'
   Call: (220) [system] 'I'=end_of_file
   Fail: (220) [system] 'I'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x55772f068e50), 'I', _83324)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _118834)
   Call: (222) [system] peek_char((0x55772f068e50), _119768)
   Exit: (222) [system] peek_char((0x55772f068e50), m)
^  Call: (222) [user] is_delimiter(m)
   Call: (223) [system] char_type(m, space)
   Fail: (223) [system] char_type(m, space)
   Call: (223) [system] arg(_124488, v('(', ')', end_of_file), m)
   Fail: (223) [system] arg(_125420, v('(', ')', end_of_file), m)
^  Fail: (222) [user] is_delimiter(m)
   Call: (222) [system] ')'==m
   Fail: (222) [system] ')'==m
   Call: (222) [system] get_char((0x55772f068e50), m)
   Exit: (222) [system] get_char((0x55772f068e50), m)
   Call: (222) [system] m=(\)
   Fail: (222) [system] m=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _132770)
   Call: (223) [system] peek_char((0x55772f068e50), _133704)
   Exit: (223) [system] peek_char((0x55772f068e50), p)
^  Call: (223) [user] is_delimiter(p)
   Call: (224) [system] char_type(p, space)
   Fail: (224) [system] char_type(p, space)
   Call: (224) [system] arg(_138424, v('(', ')', end_of_file), p)
   Fail: (224) [system] arg(_139356, v('(', ')', end_of_file), p)
^  Fail: (223) [user] is_delimiter(p)
   Call: (223) [system] ')'==p
   Fail: (223) [system] ')'==p
   Call: (223) [system] get_char((0x55772f068e50), p)
   Exit: (223) [system] get_char((0x55772f068e50), p)
   Call: (223) [system] p=(\)
   Fail: (223) [system] p=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _146706)
   Call: (224) [system] peek_char((0x55772f068e50), _147640)
   Exit: (224) [system] peek_char((0x55772f068e50), l)
^  Call: (224) [user] is_delimiter(l)
   Call: (225) [system] char_type(l, space)
   Fail: (225) [system] char_type(l, space)
   Call: (225) [system] arg(_152360, v('(', ')', end_of_file), l)
   Fail: (225) [system] arg(_153292, v('(', ')', end_of_file), l)
^  Fail: (224) [user] is_delimiter(l)
   Call: (224) [system] ')'==l
   Fail: (224) [system] ')'==l
   Call: (224) [system] get_char((0x55772f068e50), l)
   Exit: (224) [system] get_char((0x55772f068e50), l)
   Call: (224) [system] l=(\)
   Fail: (224) [system] l=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _160642)
   Call: (225) [system] peek_char((0x55772f068e50), _161576)
   Exit: (225) [system] peek_char((0x55772f068e50), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_166296, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_167228, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x55772f068e50), i)
   Exit: (225) [system] get_char((0x55772f068e50), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _174578)
   Call: (226) [system] peek_char((0x55772f068e50), _175512)
   Exit: (226) [system] peek_char((0x55772f068e50), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_180232, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_181164, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x55772f068e50), c)
   Exit: (226) [system] get_char((0x55772f068e50), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _188514)
   Call: (227) [system] peek_char((0x55772f068e50), _189448)
   Exit: (227) [system] peek_char((0x55772f068e50), a)
^  Call: (227) [user] is_delimiter(a)
   Call: (228) [system] char_type(a, space)
   Fail: (228) [system] char_type(a, space)
   Call: (228) [system] arg(_194168, v('(', ')', end_of_file), a)
   Fail: (228) [system] arg(_195100, v('(', ')', end_of_file), a)
^  Fail: (227) [user] is_delimiter(a)
   Call: (227) [system] ')'==a
   Fail: (227) [system] ')'==a
   Call: (227) [system] get_char((0x55772f068e50), a)
   Exit: (227) [system] get_char((0x55772f068e50), a)
   Call: (227) [system] a=(\)
   Fail: (227) [system] a=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _202450)
   Call: (228) [system] peek_char((0x55772f068e50), _203384)
   Exit: (228) [system] peek_char((0x55772f068e50), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_208104, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_209036, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x55772f068e50), t)
   Exit: (228) [system] get_char((0x55772f068e50), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _216386)
   Call: (229) [system] peek_char((0x55772f068e50), _217320)
   Exit: (229) [system] peek_char((0x55772f068e50), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_222040, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_222972, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x55772f068e50), i)
   Exit: (229) [system] get_char((0x55772f068e50), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _230322)
   Call: (230) [system] peek_char((0x55772f068e50), _231256)
   Exit: (230) [system] peek_char((0x55772f068e50), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_235976, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_236908, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x55772f068e50), o)
   Exit: (230) [system] get_char((0x55772f068e50), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _244258)
   Call: (231) [system] peek_char((0x55772f068e50), _245192)
   Exit: (231) [system] peek_char((0x55772f068e50), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_249912, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_250844, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x55772f068e50), n)
   Exit: (231) [system] get_char((0x55772f068e50), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _258194)
   Call: (232) [system] peek_char((0x55772f068e50), _259128)
   Exit: (232) [system] peek_char((0x55772f068e50), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _258194=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (231) [system] _244258=[n]
   Exit: (231) [system] [n]=[n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (230) [system] _230322=[o, n]
   Exit: (230) [system] [o, n]=[o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (229) [system] _216386=[i, o, n]
   Exit: (229) [system] [i, o, n]=[i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (228) [system] _202450=[t, i, o, n]
   Exit: (228) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (227) [system] _188514=[a, t, i, o, n]
   Exit: (227) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (226) [system] _174578=[c, a, t, i, o, n]
   Exit: (226) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (225) [system] _160642=[i, c, a, t, i, o, n]
   Exit: (225) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (224) [system] _146706=[l, i, c, a, t, i, o, n]
   Exit: (224) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (223) [system] _132770=[p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (222) [system] _118834=[m, p, l, i, c, a, t, i, o, n]
   Exit: (222) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (221) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _83324)
^  Call: (222) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _296352)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_297304, _297306), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _296352), _297286, fail)), '$restore_trace'(_297304, _297306))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_297304, _297306))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _296352), _297286, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_296352)
   Fail: (223) [system] atomic(_296352)
   Call: (223) [system] atom_chars(_296352, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (223) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (222) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (222) [system] integer('Implication')
   Fail: (222) [system] integer('Implication')
   Call: (222) [system] _83324='Implication'
   Exit: (222) [system] 'Implication'='Implication'
^  Exit: (221) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (220) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (219) [user] read_list(')', (0x55772f068e50), _311302)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _313160)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x55772f068e50), _322754)
   Exit: (221) [system] get_char((0x55772f068e50), ' ')
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _325458)
   Exit: (222) [system] peek_char((0x55772f068e50), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _342392)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _347962)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _349820)
   Exit: (222) [system] peek_char((0x55772f068e50), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _365830)
   Exit: (221) [system] get_char((0x55772f068e50), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x55772f068e50), _347962)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _371400)
   Exit: (223) [system] peek_char((0x55772f068e50), 'A')
   Call: (223) [system] 'A'=(;)
   Fail: (223) [system] 'A'=(;)
   Call: (223) [system] 'A'=(/)
   Fail: (223) [system] 'A'=(/)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Fail: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Fail: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Fail: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
   Fail: (224) [system] char_type('A', cntrl)
^  Fail: (223) [user] is_like_space('A')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _387410)
   Exit: (222) [system] peek_char((0x55772f068e50), 'A')
   Call: (222) [system] 'A'=')'
   Fail: (222) [system] 'A'=')'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _392980)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _394838)
   Exit: (224) [system] peek_char((0x55772f068e50), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
   Call: (224) [system] 'A'=(/)
   Fail: (224) [system] 'A'=(/)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _410848)
   Exit: (223) [system] get_char((0x55772f068e50), 'A')
   Call: (223) [system] 'A'='('
   Fail: (223) [system] 'A'='('
   Call: (223) [system] 'A'='['
   Fail: (223) [system] 'A'='['
   Call: (223) [system] 'A'='{'
   Fail: (223) [system] 'A'='{'
   Call: (223) [system] 'A'='"'
   Fail: (223) [system] 'A'='"'
   Call: (223) [system] 'A'=!
   Fail: (223) [system] 'A'=!
   Call: (223) [system] 'A'='\''
   Fail: (223) [system] 'A'='\''
   Call: (223) [system] 'A'='`'
   Fail: (223) [system] 'A'='`'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x55772f068e50), 'A', _392980)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _428490)
   Call: (225) [system] peek_char((0x55772f068e50), _429424)
   Exit: (225) [system] peek_char((0x55772f068e50), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_434144, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_435076, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x55772f068e50), n)
   Exit: (225) [system] get_char((0x55772f068e50), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _442426)
   Call: (226) [system] peek_char((0x55772f068e50), _443360)
   Exit: (226) [system] peek_char((0x55772f068e50), d)
^  Call: (226) [user] is_delimiter(d)
   Call: (227) [system] char_type(d, space)
   Fail: (227) [system] char_type(d, space)
   Call: (227) [system] arg(_448080, v('(', ')', end_of_file), d)
   Fail: (227) [system] arg(_449012, v('(', ')', end_of_file), d)
^  Fail: (226) [user] is_delimiter(d)
   Call: (226) [system] ')'==d
   Fail: (226) [system] ')'==d
   Call: (226) [system] get_char((0x55772f068e50), d)
   Exit: (226) [system] get_char((0x55772f068e50), d)
   Call: (226) [system] d=(\)
   Fail: (226) [system] d=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _456362)
   Call: (227) [system] peek_char((0x55772f068e50), _457296)
   Exit: (227) [system] peek_char((0x55772f068e50), 'L')
^  Call: (227) [user] is_delimiter('L')
   Call: (228) [system] char_type('L', space)
   Fail: (228) [system] char_type('L', space)
   Call: (228) [system] arg(_462016, v('(', ')', end_of_file), 'L')
   Fail: (228) [system] arg(_462948, v('(', ')', end_of_file), 'L')
^  Fail: (227) [user] is_delimiter('L')
   Call: (227) [system] ')'=='L'
   Fail: (227) [system] ')'=='L'
   Call: (227) [system] get_char((0x55772f068e50), 'L')
   Exit: (227) [system] get_char((0x55772f068e50), 'L')
   Call: (227) [system] 'L'=(\)
   Fail: (227) [system] 'L'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _470298)
   Call: (228) [system] peek_char((0x55772f068e50), _471232)
   Exit: (228) [system] peek_char((0x55772f068e50), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_475952, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_476884, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x55772f068e50), i)
   Exit: (228) [system] get_char((0x55772f068e50), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _484234)
   Call: (229) [system] peek_char((0x55772f068e50), _485168)
   Exit: (229) [system] peek_char((0x55772f068e50), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_489888, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_490820, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x55772f068e50), n)
   Exit: (229) [system] get_char((0x55772f068e50), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _498170)
   Call: (230) [system] peek_char((0x55772f068e50), _499104)
   Exit: (230) [system] peek_char((0x55772f068e50), k)
^  Call: (230) [user] is_delimiter(k)
   Call: (231) [system] char_type(k, space)
   Fail: (231) [system] char_type(k, space)
   Call: (231) [system] arg(_503824, v('(', ')', end_of_file), k)
   Fail: (231) [system] arg(_504756, v('(', ')', end_of_file), k)
^  Fail: (230) [user] is_delimiter(k)
   Call: (230) [system] ')'==k
   Fail: (230) [system] ')'==k
   Call: (230) [system] get_char((0x55772f068e50), k)
   Exit: (230) [system] get_char((0x55772f068e50), k)
   Call: (230) [system] k=(\)
   Fail: (230) [system] k=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _512106)
   Call: (231) [system] peek_char((0x55772f068e50), _513040)
   Exit: (231) [system] peek_char((0x55772f068e50), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _512106=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (230) [system] _498170=[k]
   Exit: (230) [system] [k]=[k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (229) [system] _484234=[n, k]
   Exit: (229) [system] [n, k]=[n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (228) [system] _470298=[i, n, k]
   Exit: (228) [system] [i, n, k]=[i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (227) [system] _456362=['L', i, n, k]
   Exit: (227) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (226) [system] _442426=[d, 'L', i, n, k]
   Exit: (226) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (225) [system] _428490=[n, d, 'L', i, n, k]
   Exit: (225) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (224) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _392980)
^  Call: (225) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _539088)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_540040, _540042), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _539088), _540022, fail)), '$restore_trace'(_540040, _540042))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_540040, _540042))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _539088), _540022, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_539088)
   Fail: (226) [system] atomic(_539088)
   Call: (226) [system] atom_chars(_539088, ['A', n, d, 'L', i, n, k])
   Exit: (226) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (225) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (225) [system] integer('AndLink')
   Fail: (225) [system] integer('AndLink')
   Call: (225) [system] _392980='AndLink'
   Exit: (225) [system] 'AndLink'='AndLink'
^  Exit: (224) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (223) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (222) [user] read_list(')', (0x55772f068e50), _554038)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _555896)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x55772f068e50), _565490)
   Exit: (224) [system] get_char((0x55772f068e50), ' ')
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _568194)
   Exit: (225) [system] peek_char((0x55772f068e50), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _585128)
   Exit: (223) [system] peek_char((0x55772f068e50), 'A')
   Call: (223) [system] 'A'=')'
   Fail: (223) [system] 'A'=')'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x55772f068e50), _590698)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _592556)
   Exit: (225) [system] peek_char((0x55772f068e50), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] get_char((0x55772f068e50), _608566)
   Exit: (224) [system] get_char((0x55772f068e50), 'A')
   Call: (224) [system] 'A'='('
   Fail: (224) [system] 'A'='('
   Call: (224) [system] 'A'='['
   Fail: (224) [system] 'A'='['
   Call: (224) [system] 'A'='{'
   Fail: (224) [system] 'A'='{'
   Call: (224) [system] 'A'='"'
   Fail: (224) [system] 'A'='"'
   Call: (224) [system] 'A'=!
   Fail: (224) [system] 'A'=!
   Call: (224) [system] 'A'='\''
   Fail: (224) [system] 'A'='\''
   Call: (224) [system] 'A'='`'
   Fail: (224) [system] 'A'='`'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x55772f068e50), 'A', _590698)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _626208)
   Call: (226) [system] peek_char((0x55772f068e50), _627142)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _626208=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (225) [user] classify_and_convert_charseq(['A'], _590698)
^  Call: (226) [user] classify_and_convert_charseq_(['A'], _636426)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_637378, _637380), once(user:catch(read_from_chars(['A'], _636426), _637360, fail)), '$restore_trace'(_637378, _637380))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_637378, _637380))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _636426), _637360, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_636426)
   Fail: (227) [system] atomic(_636426)
   Call: (227) [system] atom_chars(_636426, ['A'])
   Exit: (227) [system] atom_chars('A', ['A'])
^  Exit: (226) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (226) [system] integer('A')
   Fail: (226) [system] integer('A')
   Call: (226) [system] _590698='A'
   Exit: (226) [system] 'A'='A'
^  Exit: (225) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (224) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (223) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (223) [user] read_list(')', (0x55772f068e50), _651376)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _653234)
   Exit: (225) [system] peek_char((0x55772f068e50), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x55772f068e50), _662828)
   Exit: (225) [system] get_char((0x55772f068e50), ' ')
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _665532)
   Exit: (226) [system] peek_char((0x55772f068e50), 'B')
   Call: (226) [system] 'B'=(;)
   Fail: (226) [system] 'B'=(;)
   Call: (226) [system] 'B'=(/)
   Fail: (226) [system] 'B'=(/)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Fail: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Fail: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Fail: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
   Fail: (227) [system] char_type('B', cntrl)
^  Fail: (226) [user] is_like_space('B')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _682466)
   Exit: (224) [system] peek_char((0x55772f068e50), 'B')
   Call: (224) [system] 'B'=')'
   Fail: (224) [system] 'B'=')'
   Call: (224) [system] 'B'=end_of_file
   Fail: (224) [system] 'B'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x55772f068e50), _688036)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _689894)
   Exit: (226) [system] peek_char((0x55772f068e50), 'B')
   Call: (226) [system] 'B'=(;)
   Fail: (226) [system] 'B'=(;)
   Call: (226) [system] 'B'=(/)
   Fail: (226) [system] 'B'=(/)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Fail: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Fail: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Fail: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
   Fail: (227) [system] char_type('B', cntrl)
^  Fail: (226) [user] is_like_space('B')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] get_char((0x55772f068e50), _705904)
   Exit: (225) [system] get_char((0x55772f068e50), 'B')
   Call: (225) [system] 'B'='('
   Fail: (225) [system] 'B'='('
   Call: (225) [system] 'B'='['
   Fail: (225) [system] 'B'='['
   Call: (225) [system] 'B'='{'
   Fail: (225) [system] 'B'='{'
   Call: (225) [system] 'B'='"'
   Fail: (225) [system] 'B'='"'
   Call: (225) [system] 'B'=!
   Fail: (225) [system] 'B'=!
   Call: (225) [system] 'B'='\''
   Fail: (225) [system] 'B'='\''
   Call: (225) [system] 'B'='`'
   Fail: (225) [system] 'B'='`'
   Call: (225) [system] 'B'=end_of_file
   Fail: (225) [system] 'B'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x55772f068e50), 'B', _688036)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _723546)
   Call: (227) [system] peek_char((0x55772f068e50), _724480)
   Exit: (227) [system] peek_char((0x55772f068e50), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_729200, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _723546=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (226) [user] classify_and_convert_charseq(['B'], _688036)
^  Call: (227) [user] classify_and_convert_charseq_(['B'], _735636)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_736588, _736590), once(user:catch(read_from_chars(['B'], _735636), _736570, fail)), '$restore_trace'(_736588, _736590))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_736588, _736590))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _735636), _736570, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_735636)
   Fail: (228) [system] atomic(_735636)
   Call: (228) [system] atom_chars(_735636, ['B'])
   Exit: (228) [system] atom_chars('B', ['B'])
^  Exit: (227) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (227) [system] integer('B')
   Fail: (227) [system] integer('B')
   Call: (227) [system] _688036='B'
   Exit: (227) [system] 'B'='B'
^  Exit: (226) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (225) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (224) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (224) [user] read_list(')', (0x55772f068e50), _750586)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _752444)
   Exit: (226) [system] peek_char((0x55772f068e50), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
   Call: (226) [system] ')'=(/)
   Fail: (226) [system] ')'=(/)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _768454)
   Exit: (225) [system] peek_char((0x55772f068e50), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x55772f068e50), _772244)
   Exit: (225) [system] get_char((0x55772f068e50), ')')
   Call: (225) [system] _750586=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x55772f068e50), [])
   Call: (224) [system] _651376=['B']
   Exit: (224) [system] ['B']=['B']
^  Exit: (223) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (223) [system] _554038=['A', 'B']
   Exit: (223) [system] ['A', 'B']=['A', 'B']
^  Exit: (222) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (222) [system] _347962=['AndLink', 'A', 'B']
   Exit: (222) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (221) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (220) [user] read_list(')', (0x55772f068e50), _786126)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _787984)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x55772f068e50), _797578)
   Exit: (222) [system] get_char((0x55772f068e50), ' ')
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _800282)
   Exit: (223) [system] peek_char((0x55772f068e50), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
   Call: (223) [system] 'C'=(/)
   Fail: (223) [system] 'C'=(/)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _817216)
   Exit: (221) [system] peek_char((0x55772f068e50), 'C')
   Call: (221) [system] 'C'=')'
   Fail: (221) [system] 'C'=')'
   Call: (221) [system] 'C'=end_of_file
   Fail: (221) [system] 'C'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _822786)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _824644)
   Exit: (223) [system] peek_char((0x55772f068e50), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
   Call: (223) [system] 'C'=(/)
   Fail: (223) [system] 'C'=(/)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _840654)
   Exit: (222) [system] get_char((0x55772f068e50), 'C')
   Call: (222) [system] 'C'='('
   Fail: (222) [system] 'C'='('
   Call: (222) [system] 'C'='['
   Fail: (222) [system] 'C'='['
   Call: (222) [system] 'C'='{'
   Fail: (222) [system] 'C'='{'
   Call: (222) [system] 'C'='"'
   Fail: (222) [system] 'C'='"'
   Call: (222) [system] 'C'=!
   Fail: (222) [system] 'C'=!
   Call: (222) [system] 'C'='\''
   Fail: (222) [system] 'C'='\''
   Call: (222) [system] 'C'='`'
   Fail: (222) [system] 'C'='`'
   Call: (222) [system] 'C'=end_of_file
   Fail: (222) [system] 'C'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x55772f068e50), 'C', _822786)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _858296)
   Call: (224) [system] peek_char((0x55772f068e50), _859230)
   Exit: (224) [system] peek_char((0x55772f068e50), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_863950, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _858296=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (223) [user] classify_and_convert_charseq(['C'], _822786)
^  Call: (224) [user] classify_and_convert_charseq_(['C'], _870386)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_871338, _871340), once(user:catch(read_from_chars(['C'], _870386), _871320, fail)), '$restore_trace'(_871338, _871340))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_871338, _871340))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _870386), _871320, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_870386)
   Fail: (225) [system] atomic(_870386)
   Call: (225) [system] atom_chars(_870386, ['C'])
   Exit: (225) [system] atom_chars('C', ['C'])
^  Exit: (224) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (224) [system] integer('C')
   Fail: (224) [system] integer('C')
   Call: (224) [system] _822786='C'
   Exit: (224) [system] 'C'='C'
^  Exit: (223) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (222) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (221) [user] read_list(')', (0x55772f068e50), _885336)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _887194)
   Exit: (223) [system] peek_char((0x55772f068e50), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
   Call: (223) [system] ')'=(/)
   Fail: (223) [system] ')'=(/)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _903204)
   Exit: (222) [system] peek_char((0x55772f068e50), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x55772f068e50), _906994)
   Exit: (222) [system] get_char((0x55772f068e50), ')')
   Call: (222) [system] _885336=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x55772f068e50), [])
   Call: (221) [system] _786126=['C']
   Exit: (221) [system] ['C']=['C']
^  Exit: (220) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (220) [system] _311302=[['AndLink', 'A', 'B'], 'C']
   Exit: (220) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (219) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (219) [system] _38306=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (219) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (218) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (217) [user] read_list(')', (0x55772f068e50), _920876)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _922734)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x55772f068e50), _932328)
   Exit: (219) [system] get_char((0x55772f068e50), ' ')
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _935032)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _951966)
   Exit: (218) [system] peek_char((0x55772f068e50), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _957536)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _959394)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _975404)
   Exit: (219) [system] get_char((0x55772f068e50), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x55772f068e50), _957536)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _980974)
   Exit: (221) [system] peek_char((0x55772f068e50), 'O')
   Call: (221) [system] 'O'=(;)
   Fail: (221) [system] 'O'=(;)
   Call: (221) [system] 'O'=(/)
   Fail: (221) [system] 'O'=(/)
^  Call: (221) [user] is_like_space('O')
   Call: (222) [system] char_type('O', 'white')
   Fail: (222) [system] char_type('O', 'white')
   Call: (222) [system] char_type('O', end_of_line)
   Fail: (222) [system] char_type('O', end_of_line)
   Call: (222) [system] char_type('O', space)
   Fail: (222) [system] char_type('O', space)
   Call: (222) [system] char_type('O', cntrl)
   Fail: (222) [system] char_type('O', cntrl)
^  Fail: (221) [user] is_like_space('O')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _996984)
   Exit: (220) [system] peek_char((0x55772f068e50), 'O')
   Call: (220) [system] 'O'=')'
   Fail: (220) [system] 'O'=')'
   Call: (220) [system] 'O'=end_of_file
   Fail: (220) [system] 'O'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _1002554)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1004412)
   Exit: (222) [system] peek_char((0x55772f068e50), 'O')
   Call: (222) [system] 'O'=(;)
   Fail: (222) [system] 'O'=(;)
   Call: (222) [system] 'O'=(/)
   Fail: (222) [system] 'O'=(/)
^  Call: (222) [user] is_like_space('O')
   Call: (223) [system] char_type('O', 'white')
   Fail: (223) [system] char_type('O', 'white')
   Call: (223) [system] char_type('O', end_of_line)
   Fail: (223) [system] char_type('O', end_of_line)
   Call: (223) [system] char_type('O', space)
   Fail: (223) [system] char_type('O', space)
   Call: (223) [system] char_type('O', cntrl)
   Fail: (223) [system] char_type('O', cntrl)
^  Fail: (222) [user] is_like_space('O')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _1020422)
   Exit: (221) [system] get_char((0x55772f068e50), 'O')
   Call: (221) [system] 'O'='('
   Fail: (221) [system] 'O'='('
   Call: (221) [system] 'O'='['
   Fail: (221) [system] 'O'='['
   Call: (221) [system] 'O'='{'
   Fail: (221) [system] 'O'='{'
   Call: (221) [system] 'O'='"'
   Fail: (221) [system] 'O'='"'
   Call: (221) [system] 'O'=!
   Fail: (221) [system] 'O'=!
   Call: (221) [system] 'O'='\''
   Fail: (221) [system] 'O'='\''
   Call: (221) [system] 'O'='`'
   Fail: (221) [system] 'O'='`'
   Call: (221) [system] 'O'=end_of_file
   Fail: (221) [system] 'O'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x55772f068e50), 'O', _1002554)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1038064)
   Call: (223) [system] peek_char((0x55772f068e50), _1038998)
   Exit: (223) [system] peek_char((0x55772f068e50), r)
^  Call: (223) [user] is_delimiter(r)
   Call: (224) [system] char_type(r, space)
   Fail: (224) [system] char_type(r, space)
   Call: (224) [system] arg(_1043718, v('(', ')', end_of_file), r)
   Fail: (224) [system] arg(_1044650, v('(', ')', end_of_file), r)
^  Fail: (223) [user] is_delimiter(r)
   Call: (223) [system] ')'==r
   Fail: (223) [system] ')'==r
   Call: (223) [system] get_char((0x55772f068e50), r)
   Exit: (223) [system] get_char((0x55772f068e50), r)
   Call: (223) [system] r=(\)
   Fail: (223) [system] r=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1052000)
   Call: (224) [system] peek_char((0x55772f068e50), _1052934)
   Exit: (224) [system] peek_char((0x55772f068e50), 'L')
^  Call: (224) [user] is_delimiter('L')
   Call: (225) [system] char_type('L', space)
   Fail: (225) [system] char_type('L', space)
   Call: (225) [system] arg(_1057654, v('(', ')', end_of_file), 'L')
   Fail: (225) [system] arg(_1058586, v('(', ')', end_of_file), 'L')
^  Fail: (224) [user] is_delimiter('L')
   Call: (224) [system] ')'=='L'
   Fail: (224) [system] ')'=='L'
   Call: (224) [system] get_char((0x55772f068e50), 'L')
   Exit: (224) [system] get_char((0x55772f068e50), 'L')
   Call: (224) [system] 'L'=(\)
   Fail: (224) [system] 'L'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1065936)
   Call: (225) [system] peek_char((0x55772f068e50), _1066870)
   Exit: (225) [system] peek_char((0x55772f068e50), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1071590, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_1072522, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x55772f068e50), i)
   Exit: (225) [system] get_char((0x55772f068e50), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1079872)
   Call: (226) [system] peek_char((0x55772f068e50), _1080806)
   Exit: (226) [system] peek_char((0x55772f068e50), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1085526, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1086458, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x55772f068e50), n)
   Exit: (226) [system] get_char((0x55772f068e50), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1093808)
   Call: (227) [system] peek_char((0x55772f068e50), _1094742)
   Exit: (227) [system] peek_char((0x55772f068e50), k)
^  Call: (227) [user] is_delimiter(k)
   Call: (228) [system] char_type(k, space)
   Fail: (228) [system] char_type(k, space)
   Call: (228) [system] arg(_1099462, v('(', ')', end_of_file), k)
   Fail: (228) [system] arg(_1100394, v('(', ')', end_of_file), k)
^  Fail: (227) [user] is_delimiter(k)
   Call: (227) [system] ')'==k
   Fail: (227) [system] ')'==k
   Call: (227) [system] get_char((0x55772f068e50), k)
   Exit: (227) [system] get_char((0x55772f068e50), k)
   Call: (227) [system] k=(\)
   Fail: (227) [system] k=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1107744)
   Call: (228) [system] peek_char((0x55772f068e50), _1108678)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1107744=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (227) [system] _1093808=[k]
   Exit: (227) [system] [k]=[k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (226) [system] _1079872=[n, k]
   Exit: (226) [system] [n, k]=[n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (225) [system] _1065936=[i, n, k]
   Exit: (225) [system] [i, n, k]=[i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (224) [system] _1052000=['L', i, n, k]
   Exit: (224) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (223) [system] _1038064=[r, 'L', i, n, k]
   Exit: (223) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (222) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1002554)
^  Call: (223) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1131932)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1132884, _1132886), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1131932), _1132866, fail)), '$restore_trace'(_1132884, _1132886))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1132884, _1132886))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1131932), _1132866, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1131932)
   Fail: (224) [system] atomic(_1131932)
   Call: (224) [system] atom_chars(_1131932, ['O', r, 'L', i, n, k])
   Exit: (224) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (223) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (223) [system] integer('OrLink')
   Fail: (223) [system] integer('OrLink')
   Call: (223) [system] _1002554='OrLink'
   Exit: (223) [system] 'OrLink'='OrLink'
^  Exit: (222) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (221) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (220) [user] read_list(')', (0x55772f068e50), _1146882)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1148740)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x55772f068e50), _1158334)
   Exit: (222) [system] get_char((0x55772f068e50), ' ')
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1161038)
   Exit: (223) [system] peek_char((0x55772f068e50), 'B')
   Call: (223) [system] 'B'=(;)
   Fail: (223) [system] 'B'=(;)
   Call: (223) [system] 'B'=(/)
   Fail: (223) [system] 'B'=(/)
^  Call: (223) [user] is_like_space('B')
   Call: (224) [system] char_type('B', 'white')
   Fail: (224) [system] char_type('B', 'white')
   Call: (224) [system] char_type('B', end_of_line)
   Fail: (224) [system] char_type('B', end_of_line)
   Call: (224) [system] char_type('B', space)
   Fail: (224) [system] char_type('B', space)
   Call: (224) [system] char_type('B', cntrl)
   Fail: (224) [system] char_type('B', cntrl)
^  Fail: (223) [user] is_like_space('B')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1177972)
   Exit: (221) [system] peek_char((0x55772f068e50), 'B')
   Call: (221) [system] 'B'=')'
   Fail: (221) [system] 'B'=')'
   Call: (221) [system] 'B'=end_of_file
   Fail: (221) [system] 'B'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _1183542)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1185400)
   Exit: (223) [system] peek_char((0x55772f068e50), 'B')
   Call: (223) [system] 'B'=(;)
   Fail: (223) [system] 'B'=(;)
   Call: (223) [system] 'B'=(/)
   Fail: (223) [system] 'B'=(/)
^  Call: (223) [user] is_like_space('B')
   Call: (224) [system] char_type('B', 'white')
   Fail: (224) [system] char_type('B', 'white')
   Call: (224) [system] char_type('B', end_of_line)
   Fail: (224) [system] char_type('B', end_of_line)
   Call: (224) [system] char_type('B', space)
   Fail: (224) [system] char_type('B', space)
   Call: (224) [system] char_type('B', cntrl)
   Fail: (224) [system] char_type('B', cntrl)
^  Fail: (223) [user] is_like_space('B')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _1201410)
   Exit: (222) [system] get_char((0x55772f068e50), 'B')
   Call: (222) [system] 'B'='('
   Fail: (222) [system] 'B'='('
   Call: (222) [system] 'B'='['
   Fail: (222) [system] 'B'='['
   Call: (222) [system] 'B'='{'
   Fail: (222) [system] 'B'='{'
   Call: (222) [system] 'B'='"'
   Fail: (222) [system] 'B'='"'
   Call: (222) [system] 'B'=!
   Fail: (222) [system] 'B'=!
   Call: (222) [system] 'B'='\''
   Fail: (222) [system] 'B'='\''
   Call: (222) [system] 'B'='`'
   Fail: (222) [system] 'B'='`'
   Call: (222) [system] 'B'=end_of_file
   Fail: (222) [system] 'B'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x55772f068e50), 'B', _1183542)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1219052)
   Call: (224) [system] peek_char((0x55772f068e50), _1219986)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1219052=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (223) [user] classify_and_convert_charseq(['B'], _1183542)
^  Call: (224) [user] classify_and_convert_charseq_(['B'], _1229270)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1230222, _1230224), once(user:catch(read_from_chars(['B'], _1229270), _1230204, fail)), '$restore_trace'(_1230222, _1230224))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1230222, _1230224))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1229270), _1230204, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1229270)
   Fail: (225) [system] atomic(_1229270)
   Call: (225) [system] atom_chars(_1229270, ['B'])
   Exit: (225) [system] atom_chars('B', ['B'])
^  Exit: (224) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (224) [system] integer('B')
   Fail: (224) [system] integer('B')
   Call: (224) [system] _1183542='B'
   Exit: (224) [system] 'B'='B'
^  Exit: (223) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (222) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (221) [user] read_list(')', (0x55772f068e50), _1244220)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1246078)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x55772f068e50), _1255672)
   Exit: (223) [system] get_char((0x55772f068e50), ' ')
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1258376)
   Exit: (224) [system] peek_char((0x55772f068e50), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
   Call: (224) [system] 'A'=(/)
   Fail: (224) [system] 'A'=(/)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1275310)
   Exit: (222) [system] peek_char((0x55772f068e50), 'A')
   Call: (222) [system] 'A'=')'
   Fail: (222) [system] 'A'=')'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _1280880)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1282738)
   Exit: (224) [system] peek_char((0x55772f068e50), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
   Call: (224) [system] 'A'=(/)
   Fail: (224) [system] 'A'=(/)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _1298748)
   Exit: (223) [system] get_char((0x55772f068e50), 'A')
   Call: (223) [system] 'A'='('
   Fail: (223) [system] 'A'='('
   Call: (223) [system] 'A'='['
   Fail: (223) [system] 'A'='['
   Call: (223) [system] 'A'='{'
   Fail: (223) [system] 'A'='{'
   Call: (223) [system] 'A'='"'
   Fail: (223) [system] 'A'='"'
   Call: (223) [system] 'A'=!
   Fail: (223) [system] 'A'=!
   Call: (223) [system] 'A'='\''
   Fail: (223) [system] 'A'='\''
   Call: (223) [system] 'A'='`'
   Fail: (223) [system] 'A'='`'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x55772f068e50), 'A', _1280880)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1316390)
   Call: (225) [system] peek_char((0x55772f068e50), _1317324)
   Exit: (225) [system] peek_char((0x55772f068e50), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_1322044, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _1316390=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (224) [user] classify_and_convert_charseq(['A'], _1280880)
^  Call: (225) [user] classify_and_convert_charseq_(['A'], _1328480)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1329432, _1329434), once(user:catch(read_from_chars(['A'], _1328480), _1329414, fail)), '$restore_trace'(_1329432, _1329434))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1329432, _1329434))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1328480), _1329414, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1328480)
   Fail: (226) [system] atomic(_1328480)
   Call: (226) [system] atom_chars(_1328480, ['A'])
   Exit: (226) [system] atom_chars('A', ['A'])
^  Exit: (225) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (225) [system] integer('A')
   Fail: (225) [system] integer('A')
   Call: (225) [system] _1280880='A'
   Exit: (225) [system] 'A'='A'
^  Exit: (224) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (223) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (222) [user] read_list(')', (0x55772f068e50), _1343430)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1345288)
   Exit: (224) [system] peek_char((0x55772f068e50), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
   Call: (224) [system] ')'=(/)
   Fail: (224) [system] ')'=(/)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1361298)
   Exit: (223) [system] peek_char((0x55772f068e50), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x55772f068e50), _1365088)
   Exit: (223) [system] get_char((0x55772f068e50), ')')
   Call: (223) [system] _1343430=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x55772f068e50), [])
   Call: (222) [system] _1244220=['A']
   Exit: (222) [system] ['A']=['A']
^  Exit: (221) [user] read_list(')', (0x55772f068e50), ['A'])
   Call: (221) [system] _1146882=['B', 'A']
   Exit: (221) [system] ['B', 'A']=['B', 'A']
^  Exit: (220) [user] read_list(')', (0x55772f068e50), ['B', 'A'])
   Call: (220) [system] _957536=['OrLink', 'B', 'A']
   Exit: (220) [system] ['OrLink', 'B', 'A']=['OrLink', 'B', 'A']
^  Exit: (219) [user] read_list(')', (0x55772f068e50), ['OrLink', 'B', 'A'])
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'B', 'A'])
^  Call: (218) [user] read_list(')', (0x55772f068e50), _1378970)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1380828)
   Exit: (220) [system] peek_char((0x55772f068e50), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
   Call: (220) [system] ')'=(/)
   Fail: (220) [system] ')'=(/)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1396838)
   Exit: (219) [system] peek_char((0x55772f068e50), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x55772f068e50), _1400628)
   Exit: (219) [system] get_char((0x55772f068e50), ')')
   Call: (219) [system] _1378970=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x55772f068e50), [])
   Call: (218) [system] _920876=[['OrLink', 'B', 'A']]
   Exit: (218) [system] [['OrLink', 'B', 'A']]=[['OrLink', 'B', 'A']]
^  Exit: (217) [user] read_list(')', (0x55772f068e50), [['OrLink', 'B', 'A']])
   Call: (217) [system] _5386=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]
   Exit: (217) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]
^  Exit: (216) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']])
   Call: (216) [system] _5378=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]
   Exit: (216) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]
^  Exit: (215) [user] read_list(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']])
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']])
^  Call: (214) [user] read_list(')', (0x55772f068e50), _1414510)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1416368)
   Exit: (216) [system] peek_char((0x55772f068e50), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1432378)
   Exit: (215) [system] peek_char((0x55772f068e50), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x55772f068e50), _1436168)
   Exit: (215) [system] get_char((0x55772f068e50), ')')
   Call: (215) [system] _1414510=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x55772f068e50), [])
   Call: (214) [system] _5374=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]
   Exit: (214) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]
^  Exit: (213) [user] read_list(')', (0x55772f068e50), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]])
   Call: (213) [system] _5332=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]
   Exit: (213) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]
^  Exit: (212) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]])
   Call: (212) [system] _5324=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]
   Exit: (212) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]
^  Exit: (211) [user] read_list(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]])
^  Exit: (210) [user] cont_sexpr(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]])
^  Call: (210) [user] read_list(')', (0x55772f068e50), _1450050)
^  Call: (211) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _1451908)
   Exit: (212) [system] peek_char((0x55772f068e50), '\n')
   Call: (212) [system] '\n'=(;)
   Fail: (212) [system] '\n'=(;)
   Call: (212) [system] '\n'=(/)
   Fail: (212) [system] '\n'=(/)
^  Call: (212) [user] is_like_space('\n')
   Call: (213) [system] char_type('\n', 'white')
   Fail: (213) [system] char_type('\n', 'white')
   Call: (213) [system] char_type('\n', end_of_line)
   Exit: (213) [system] char_type('\n', end_of_line)
^  Exit: (212) [user] is_like_space('\n')
   Call: (212) [system] get_char((0x55772f068e50), _1463358)
   Exit: (212) [system] get_char((0x55772f068e50), '\n')
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1466062)
   Exit: (213) [system] peek_char((0x55772f068e50), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x55772f068e50), _1475656)
   Exit: (213) [system] get_char((0x55772f068e50), ' ')
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1478360)
   Exit: (214) [system] peek_char((0x55772f068e50), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
^  Exit: (211) [user] skip_spaces((0x55772f068e50))
   Call: (211) [system] peek_char((0x55772f068e50), _1496218)
   Exit: (211) [system] peek_char((0x55772f068e50), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x55772f068e50), _1501788)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1503646)
   Exit: (213) [system] peek_char((0x55772f068e50), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] get_char((0x55772f068e50), _1519656)
   Exit: (212) [system] get_char((0x55772f068e50), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x55772f068e50), _1501788)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1525226)
   Exit: (214) [system] peek_char((0x55772f068e50), :)
   Call: (214) [system] (:)=(;)
   Fail: (214) [system] (:)=(;)
   Call: (214) [system] (:)=(/)
   Fail: (214) [system] (:)=(/)
^  Call: (214) [user] is_like_space(:)
   Call: (215) [system] char_type(:, 'white')
   Fail: (215) [system] char_type(:, 'white')
   Call: (215) [system] char_type(:, end_of_line)
   Fail: (215) [system] char_type(:, end_of_line)
   Call: (215) [system] char_type(:, space)
   Fail: (215) [system] char_type(:, space)
   Call: (215) [system] char_type(:, cntrl)
   Fail: (215) [system] char_type(:, cntrl)
^  Fail: (214) [user] is_like_space(:)
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _1541236)
   Exit: (213) [system] peek_char((0x55772f068e50), :)
   Call: (213) [system] (:)=')'
   Fail: (213) [system] (:)=')'
   Call: (213) [system] (:)=end_of_file
   Fail: (213) [system] (:)=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _1546806)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1548664)
   Exit: (215) [system] peek_char((0x55772f068e50), :)
   Call: (215) [system] (:)=(;)
   Fail: (215) [system] (:)=(;)
   Call: (215) [system] (:)=(/)
   Fail: (215) [system] (:)=(/)
^  Call: (215) [user] is_like_space(:)
   Call: (216) [system] char_type(:, 'white')
   Fail: (216) [system] char_type(:, 'white')
   Call: (216) [system] char_type(:, end_of_line)
   Fail: (216) [system] char_type(:, end_of_line)
   Call: (216) [system] char_type(:, space)
   Fail: (216) [system] char_type(:, space)
   Call: (216) [system] char_type(:, cntrl)
   Fail: (216) [system] char_type(:, cntrl)
^  Fail: (215) [user] is_like_space(:)
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _1564674)
   Exit: (214) [system] get_char((0x55772f068e50), :)
   Call: (214) [system] (:)='('
   Fail: (214) [system] (:)='('
   Call: (214) [system] (:)='['
   Fail: (214) [system] (:)='['
   Call: (214) [system] (:)='{'
   Fail: (214) [system] (:)='{'
   Call: (214) [system] (:)='"'
   Fail: (214) [system] (:)='"'
   Call: (214) [system] (:)=!
   Fail: (214) [system] (:)=!
   Call: (214) [system] (:)='\''
   Fail: (214) [system] (:)='\''
   Call: (214) [system] (:)='`'
   Fail: (214) [system] (:)='`'
   Call: (214) [system] (:)=end_of_file
   Fail: (214) [system] (:)=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x55772f068e50), :, _1546806)
^  Call: (215) [user] read_symbolic_cont(')', (0x55772f068e50), _1582316)
   Call: (216) [system] peek_char((0x55772f068e50), _1583250)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1582316=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (215) [user] classify_and_convert_charseq([:], _1546806)
^  Call: (216) [user] classify_and_convert_charseq_([:], _1592534)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1593486, _1593488), once(user:catch(read_from_chars([:], _1592534), _1593468, fail)), '$restore_trace'(_1593486, _1593488))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1593486, _1593488))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1593468, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(:)
   Exit: (217) [system] atomic(:)
^  Exit: (216) [user] classify_and_convert_charseq_([:], :)
   Call: (216) [system] integer(:)
   Fail: (216) [system] integer(:)
   Call: (216) [system] _1546806=(:)
   Exit: (216) [system] (:)=(:)
^  Exit: (215) [user] classify_and_convert_charseq([:], :)
^  Exit: (214) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (213) [user] read_list(')', (0x55772f068e50), _1605614)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1607472)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x55772f068e50), _1617066)
   Exit: (215) [system] get_char((0x55772f068e50), ' ')
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1619770)
   Exit: (216) [system] peek_char((0x55772f068e50), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _1636704)
   Exit: (214) [system] peek_char((0x55772f068e50), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _1642274)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1644132)
   Exit: (216) [system] peek_char((0x55772f068e50), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _1660142)
   Exit: (215) [system] get_char((0x55772f068e50), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x55772f068e50), _1642274)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1665712)
   Exit: (217) [system] peek_char((0x55772f068e50), 'D')
   Call: (217) [system] 'D'=(;)
   Fail: (217) [system] 'D'=(;)
   Call: (217) [system] 'D'=(/)
   Fail: (217) [system] 'D'=(/)
^  Call: (217) [user] is_like_space('D')
   Call: (218) [system] char_type('D', 'white')
   Fail: (218) [system] char_type('D', 'white')
   Call: (218) [system] char_type('D', end_of_line)
   Fail: (218) [system] char_type('D', end_of_line)
   Call: (218) [system] char_type('D', space)
   Fail: (218) [system] char_type('D', space)
   Call: (218) [system] char_type('D', cntrl)
   Fail: (218) [system] char_type('D', cntrl)
^  Fail: (217) [user] is_like_space('D')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1681722)
   Exit: (216) [system] peek_char((0x55772f068e50), 'D')
   Call: (216) [system] 'D'=')'
   Fail: (216) [system] 'D'=')'
   Call: (216) [system] 'D'=end_of_file
   Fail: (216) [system] 'D'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x55772f068e50), _1687292)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1689150)
   Exit: (218) [system] peek_char((0x55772f068e50), 'D')
   Call: (218) [system] 'D'=(;)
   Fail: (218) [system] 'D'=(;)
   Call: (218) [system] 'D'=(/)
   Fail: (218) [system] 'D'=(/)
^  Call: (218) [user] is_like_space('D')
   Call: (219) [system] char_type('D', 'white')
   Fail: (219) [system] char_type('D', 'white')
   Call: (219) [system] char_type('D', end_of_line)
   Fail: (219) [system] char_type('D', end_of_line)
   Call: (219) [system] char_type('D', space)
   Fail: (219) [system] char_type('D', space)
   Call: (219) [system] char_type('D', cntrl)
   Fail: (219) [system] char_type('D', cntrl)
^  Fail: (218) [user] is_like_space('D')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] get_char((0x55772f068e50), _1705160)
   Exit: (217) [system] get_char((0x55772f068e50), 'D')
   Call: (217) [system] 'D'='('
   Fail: (217) [system] 'D'='('
   Call: (217) [system] 'D'='['
   Fail: (217) [system] 'D'='['
   Call: (217) [system] 'D'='{'
   Fail: (217) [system] 'D'='{'
   Call: (217) [system] 'D'='"'
   Fail: (217) [system] 'D'='"'
   Call: (217) [system] 'D'=!
   Fail: (217) [system] 'D'=!
   Call: (217) [system] 'D'='\''
   Fail: (217) [system] 'D'='\''
   Call: (217) [system] 'D'='`'
   Fail: (217) [system] 'D'='`'
   Call: (217) [system] 'D'=end_of_file
   Fail: (217) [system] 'D'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x55772f068e50), 'D', _1687292)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _1722802)
   Call: (219) [system] peek_char((0x55772f068e50), _1723736)
   Exit: (219) [system] peek_char((0x55772f068e50), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_1728456, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_1729388, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x55772f068e50), i)
   Exit: (219) [system] get_char((0x55772f068e50), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1736738)
   Call: (220) [system] peek_char((0x55772f068e50), _1737672)
   Exit: (220) [system] peek_char((0x55772f068e50), s)
^  Call: (220) [user] is_delimiter(s)
   Call: (221) [system] char_type(s, space)
   Fail: (221) [system] char_type(s, space)
   Call: (221) [system] arg(_1742392, v('(', ')', end_of_file), s)
   Fail: (221) [system] arg(_1743324, v('(', ')', end_of_file), s)
^  Fail: (220) [user] is_delimiter(s)
   Call: (220) [system] ')'==s
   Fail: (220) [system] ')'==s
   Call: (220) [system] get_char((0x55772f068e50), s)
   Exit: (220) [system] get_char((0x55772f068e50), s)
   Call: (220) [system] s=(\)
   Fail: (220) [system] s=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1750674)
   Call: (221) [system] peek_char((0x55772f068e50), _1751608)
   Exit: (221) [system] peek_char((0x55772f068e50), j)
^  Call: (221) [user] is_delimiter(j)
   Call: (222) [system] char_type(j, space)
   Fail: (222) [system] char_type(j, space)
   Call: (222) [system] arg(_1756328, v('(', ')', end_of_file), j)
   Fail: (222) [system] arg(_1757260, v('(', ')', end_of_file), j)
^  Fail: (221) [user] is_delimiter(j)
   Call: (221) [system] ')'==j
   Fail: (221) [system] ')'==j
   Call: (221) [system] get_char((0x55772f068e50), j)
   Exit: (221) [system] get_char((0x55772f068e50), j)
   Call: (221) [system] j=(\)
   Fail: (221) [system] j=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1764610)
   Call: (222) [system] peek_char((0x55772f068e50), _1765544)
   Exit: (222) [system] peek_char((0x55772f068e50), u)
^  Call: (222) [user] is_delimiter(u)
   Call: (223) [system] char_type(u, space)
   Fail: (223) [system] char_type(u, space)
   Call: (223) [system] arg(_1770264, v('(', ')', end_of_file), u)
   Fail: (223) [system] arg(_1771196, v('(', ')', end_of_file), u)
^  Fail: (222) [user] is_delimiter(u)
   Call: (222) [system] ')'==u
   Fail: (222) [system] ')'==u
   Call: (222) [system] get_char((0x55772f068e50), u)
   Exit: (222) [system] get_char((0x55772f068e50), u)
   Call: (222) [system] u=(\)
   Fail: (222) [system] u=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1778546)
   Call: (223) [system] peek_char((0x55772f068e50), _1779480)
   Exit: (223) [system] peek_char((0x55772f068e50), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1784200, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_1785132, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x55772f068e50), n)
   Exit: (223) [system] get_char((0x55772f068e50), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1792482)
   Call: (224) [system] peek_char((0x55772f068e50), _1793416)
   Exit: (224) [system] peek_char((0x55772f068e50), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_1798136, v('(', ')', end_of_file), c)
   Fail: (225) [system] arg(_1799068, v('(', ')', end_of_file), c)
^  Fail: (224) [user] is_delimiter(c)
   Call: (224) [system] ')'==c
   Fail: (224) [system] ')'==c
   Call: (224) [system] get_char((0x55772f068e50), c)
   Exit: (224) [system] get_char((0x55772f068e50), c)
   Call: (224) [system] c=(\)
   Fail: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1806418)
   Call: (225) [system] peek_char((0x55772f068e50), _1807352)
   Exit: (225) [system] peek_char((0x55772f068e50), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_1812072, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_1813004, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x55772f068e50), t)
   Exit: (225) [system] get_char((0x55772f068e50), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1820354)
   Call: (226) [system] peek_char((0x55772f068e50), _1821288)
   Exit: (226) [system] peek_char((0x55772f068e50), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_1826008, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_1826940, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x55772f068e50), i)
   Exit: (226) [system] get_char((0x55772f068e50), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1834290)
   Call: (227) [system] peek_char((0x55772f068e50), _1835224)
   Exit: (227) [system] peek_char((0x55772f068e50), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_1839944, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_1840876, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x55772f068e50), o)
   Exit: (227) [system] get_char((0x55772f068e50), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1848226)
   Call: (228) [system] peek_char((0x55772f068e50), _1849160)
   Exit: (228) [system] peek_char((0x55772f068e50), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_1853880, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_1854812, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x55772f068e50), n)
   Exit: (228) [system] get_char((0x55772f068e50), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1862162)
   Call: (229) [system] peek_char((0x55772f068e50), _1863096)
   Exit: (229) [system] peek_char((0x55772f068e50), 'I')
^  Call: (229) [user] is_delimiter('I')
   Call: (230) [system] char_type('I', space)
   Fail: (230) [system] char_type('I', space)
   Call: (230) [system] arg(_1867816, v('(', ')', end_of_file), 'I')
   Fail: (230) [system] arg(_1868748, v('(', ')', end_of_file), 'I')
^  Fail: (229) [user] is_delimiter('I')
   Call: (229) [system] ')'=='I'
   Fail: (229) [system] ')'=='I'
   Call: (229) [system] get_char((0x55772f068e50), 'I')
   Exit: (229) [system] get_char((0x55772f068e50), 'I')
   Call: (229) [system] 'I'=(\)
   Fail: (229) [system] 'I'=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1876098)
   Call: (230) [system] peek_char((0x55772f068e50), _1877032)
   Exit: (230) [system] peek_char((0x55772f068e50), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1881752, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1882684, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x55772f068e50), n)
   Exit: (230) [system] get_char((0x55772f068e50), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1890034)
   Call: (231) [system] peek_char((0x55772f068e50), _1890968)
   Exit: (231) [system] peek_char((0x55772f068e50), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Fail: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_1895688, v('(', ')', end_of_file), t)
   Fail: (232) [system] arg(_1896620, v('(', ')', end_of_file), t)
^  Fail: (231) [user] is_delimiter(t)
   Call: (231) [system] ')'==t
   Fail: (231) [system] ')'==t
   Call: (231) [system] get_char((0x55772f068e50), t)
   Exit: (231) [system] get_char((0x55772f068e50), t)
   Call: (231) [system] t=(\)
   Fail: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1903970)
   Call: (232) [system] peek_char((0x55772f068e50), _1904904)
   Exit: (232) [system] peek_char((0x55772f068e50), r)
^  Call: (232) [user] is_delimiter(r)
   Call: (233) [system] char_type(r, space)
   Fail: (233) [system] char_type(r, space)
   Call: (233) [system] arg(_1909624, v('(', ')', end_of_file), r)
   Fail: (233) [system] arg(_1910556, v('(', ')', end_of_file), r)
^  Fail: (232) [user] is_delimiter(r)
   Call: (232) [system] ')'==r
   Fail: (232) [system] ')'==r
   Call: (232) [system] get_char((0x55772f068e50), r)
   Exit: (232) [system] get_char((0x55772f068e50), r)
   Call: (232) [system] r=(\)
   Fail: (232) [system] r=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1917906)
   Call: (233) [system] peek_char((0x55772f068e50), _1918840)
   Exit: (233) [system] peek_char((0x55772f068e50), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Fail: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_1923560, v('(', ')', end_of_file), o)
   Fail: (234) [system] arg(_1924492, v('(', ')', end_of_file), o)
^  Fail: (233) [user] is_delimiter(o)
   Call: (233) [system] ')'==o
   Fail: (233) [system] ')'==o
   Call: (233) [system] get_char((0x55772f068e50), o)
   Exit: (233) [system] get_char((0x55772f068e50), o)
   Call: (233) [system] o=(\)
   Fail: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1931842)
   Call: (234) [system] peek_char((0x55772f068e50), _1932776)
   Exit: (234) [system] peek_char((0x55772f068e50), d)
^  Call: (234) [user] is_delimiter(d)
   Call: (235) [system] char_type(d, space)
   Fail: (235) [system] char_type(d, space)
   Call: (235) [system] arg(_1937496, v('(', ')', end_of_file), d)
   Fail: (235) [system] arg(_1938428, v('(', ')', end_of_file), d)
^  Fail: (234) [user] is_delimiter(d)
   Call: (234) [system] ')'==d
   Fail: (234) [system] ')'==d
   Call: (234) [system] get_char((0x55772f068e50), d)
   Exit: (234) [system] get_char((0x55772f068e50), d)
   Call: (234) [system] d=(\)
   Fail: (234) [system] d=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1945778)
   Call: (235) [system] peek_char((0x55772f068e50), _1946712)
   Exit: (235) [system] peek_char((0x55772f068e50), u)
^  Call: (235) [user] is_delimiter(u)
   Call: (236) [system] char_type(u, space)
   Fail: (236) [system] char_type(u, space)
   Call: (236) [system] arg(_1951432, v('(', ')', end_of_file), u)
   Fail: (236) [system] arg(_1952364, v('(', ')', end_of_file), u)
^  Fail: (235) [user] is_delimiter(u)
   Call: (235) [system] ')'==u
   Fail: (235) [system] ')'==u
   Call: (235) [system] get_char((0x55772f068e50), u)
   Exit: (235) [system] get_char((0x55772f068e50), u)
   Call: (235) [system] u=(\)
   Fail: (235) [system] u=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1959714)
   Call: (236) [system] peek_char((0x55772f068e50), _1960648)
   Exit: (236) [system] peek_char((0x55772f068e50), c)
^  Call: (236) [user] is_delimiter(c)
   Call: (237) [system] char_type(c, space)
   Fail: (237) [system] char_type(c, space)
   Call: (237) [system] arg(_1965368, v('(', ')', end_of_file), c)
   Fail: (237) [system] arg(_1966300, v('(', ')', end_of_file), c)
^  Fail: (236) [user] is_delimiter(c)
   Call: (236) [system] ')'==c
   Fail: (236) [system] ')'==c
   Call: (236) [system] get_char((0x55772f068e50), c)
   Exit: (236) [system] get_char((0x55772f068e50), c)
   Call: (236) [system] c=(\)
   Fail: (236) [system] c=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1973650)
   Call: (237) [system] peek_char((0x55772f068e50), _1974584)
   Exit: (237) [system] peek_char((0x55772f068e50), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Fail: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_1979304, v('(', ')', end_of_file), t)
   Fail: (238) [system] arg(_1980236, v('(', ')', end_of_file), t)
^  Fail: (237) [user] is_delimiter(t)
   Call: (237) [system] ')'==t
   Fail: (237) [system] ')'==t
   Call: (237) [system] get_char((0x55772f068e50), t)
   Exit: (237) [system] get_char((0x55772f068e50), t)
   Call: (237) [system] t=(\)
   Fail: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _1987586)
   Call: (238) [system] peek_char((0x55772f068e50), _1988520)
   Exit: (238) [system] peek_char((0x55772f068e50), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Fail: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_1993240, v('(', ')', end_of_file), i)
   Fail: (239) [system] arg(_1994172, v('(', ')', end_of_file), i)
^  Fail: (238) [user] is_delimiter(i)
   Call: (238) [system] ')'==i
   Fail: (238) [system] ')'==i
   Call: (238) [system] get_char((0x55772f068e50), i)
   Exit: (238) [system] get_char((0x55772f068e50), i)
   Call: (238) [system] i=(\)
   Fail: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _2001522)
   Call: (239) [system] peek_char((0x55772f068e50), _2002456)
   Exit: (239) [system] peek_char((0x55772f068e50), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Fail: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_2007176, v('(', ')', end_of_file), o)
   Fail: (240) [system] arg(_2008108, v('(', ')', end_of_file), o)
^  Fail: (239) [user] is_delimiter(o)
   Call: (239) [system] ')'==o
   Fail: (239) [system] ')'==o
   Call: (239) [system] get_char((0x55772f068e50), o)
   Exit: (239) [system] get_char((0x55772f068e50), o)
   Call: (239) [system] o=(\)
   Fail: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _2015458)
   Call: (240) [system] peek_char((0x55772f068e50), _2016392)
   Exit: (240) [system] peek_char((0x55772f068e50), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Fail: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_2021112, v('(', ')', end_of_file), n)
   Fail: (241) [system] arg(_2022044, v('(', ')', end_of_file), n)
^  Fail: (240) [user] is_delimiter(n)
   Call: (240) [system] ')'==n
   Fail: (240) [system] ')'==n
   Call: (240) [system] get_char((0x55772f068e50), n)
   Exit: (240) [system] get_char((0x55772f068e50), n)
   Call: (240) [system] n=(\)
   Fail: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _2029394)
   Call: (241) [system] peek_char((0x55772f068e50), _2030328)
   Exit: (241) [system] peek_char((0x55772f068e50), ' ')
^  Call: (241) [user] is_delimiter(' ')
   Call: (242) [system] char_type(' ', space)
   Exit: (242) [system] char_type(' ', space)
^  Exit: (241) [user] is_delimiter(' ')
   Call: (241) [system] _2029394=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (240) [system] _2015458=[n]
   Exit: (240) [system] [n]=[n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (239) [system] _2001522=[o, n]
   Exit: (239) [system] [o, n]=[o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (238) [system] _1987586=[i, o, n]
   Exit: (238) [system] [i, o, n]=[i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (237) [system] _1973650=[t, i, o, n]
   Exit: (237) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (236) [system] _1959714=[c, t, i, o, n]
   Exit: (236) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (235) [system] _1945778=[u, c, t, i, o, n]
   Exit: (235) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (234) [system] _1931842=[d, u, c, t, i, o, n]
   Exit: (234) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (233) [system] _1917906=[o, d, u, c, t, i, o, n]
   Exit: (233) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (232) [system] _1903970=[r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1890034=[t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1876098=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1862162=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1848226=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1834290=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1820354=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1806418=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1792482=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1778546=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1764610=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1750674=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1736738=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _5478=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (218) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5474)
^  Call: (219) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _9942)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_10894, _10896), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _9942), _10876, fail)), '$restore_trace'(_10894, _10896))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_10894, _10896))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _9942), _10876, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_9942)
   Fail: (220) [system] atomic(_9942)
   Call: (220) [system] atom_chars(_9942, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (220) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (219) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (219) [system] integer('DisjunctionIntroduction')
   Fail: (219) [system] integer('DisjunctionIntroduction')
   Call: (219) [system] _5474='DisjunctionIntroduction'
   Exit: (219) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (218) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (217) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (216) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (216) [user] read_list(')', (0x55772f068e50), _24892)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _26750)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x55772f068e50), _36344)
   Exit: (218) [system] get_char((0x55772f068e50), ' ')
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _39048)
   Exit: (219) [system] peek_char((0x55772f068e50), a)
   Call: (219) [system] a=(;)
   Fail: (219) [system] a=(;)
   Call: (219) [system] a=(/)
   Fail: (219) [system] a=(/)
^  Call: (219) [user] is_like_space(a)
   Call: (220) [system] char_type(a, 'white')
   Fail: (220) [system] char_type(a, 'white')
   Call: (220) [system] char_type(a, end_of_line)
   Fail: (220) [system] char_type(a, end_of_line)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] char_type(a, cntrl)
   Fail: (220) [system] char_type(a, cntrl)
^  Fail: (219) [user] is_like_space(a)
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _55982)
   Exit: (217) [system] peek_char((0x55772f068e50), a)
   Call: (217) [system] a=')'
   Fail: (217) [system] a=')'
   Call: (217) [system] a=end_of_file
   Fail: (217) [system] a=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _61552)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _63410)
   Exit: (219) [system] peek_char((0x55772f068e50), a)
   Call: (219) [system] a=(;)
   Fail: (219) [system] a=(;)
   Call: (219) [system] a=(/)
   Fail: (219) [system] a=(/)
^  Call: (219) [user] is_like_space(a)
   Call: (220) [system] char_type(a, 'white')
   Fail: (220) [system] char_type(a, 'white')
   Call: (220) [system] char_type(a, end_of_line)
   Fail: (220) [system] char_type(a, end_of_line)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] char_type(a, cntrl)
   Fail: (220) [system] char_type(a, cntrl)
^  Fail: (219) [user] is_like_space(a)
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _79420)
   Exit: (218) [system] get_char((0x55772f068e50), a)
   Call: (218) [system] a='('
   Fail: (218) [system] a='('
   Call: (218) [system] a='['
   Fail: (218) [system] a='['
   Call: (218) [system] a='{'
   Fail: (218) [system] a='{'
   Call: (218) [system] a='"'
   Fail: (218) [system] a='"'
   Call: (218) [system] a=!
   Fail: (218) [system] a=!
   Call: (218) [system] a='\''
   Fail: (218) [system] a='\''
   Call: (218) [system] a='`'
   Fail: (218) [system] a='`'
   Call: (218) [system] a=end_of_file
   Fail: (218) [system] a=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x55772f068e50), a, _61552)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _97062)
   Call: (220) [system] peek_char((0x55772f068e50), _97996)
   Exit: (220) [system] peek_char((0x55772f068e50), b)
^  Call: (220) [user] is_delimiter(b)
   Call: (221) [system] char_type(b, space)
   Fail: (221) [system] char_type(b, space)
   Call: (221) [system] arg(_102716, v('(', ')', end_of_file), b)
   Fail: (221) [system] arg(_103648, v('(', ')', end_of_file), b)
^  Fail: (220) [user] is_delimiter(b)
   Call: (220) [system] ')'==b
   Fail: (220) [system] ')'==b
   Call: (220) [system] get_char((0x55772f068e50), b)
   Exit: (220) [system] get_char((0x55772f068e50), b)
   Call: (220) [system] b=(\)
   Fail: (220) [system] b=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _110998)
   Call: (221) [system] peek_char((0x55772f068e50), _111932)
   Exit: (221) [system] peek_char((0x55772f068e50), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Fail: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_116652, v('(', ')', end_of_file), c)
   Fail: (222) [system] arg(_117584, v('(', ')', end_of_file), c)
^  Fail: (221) [user] is_delimiter(c)
   Call: (221) [system] ')'==c
   Fail: (221) [system] ')'==c
   Call: (221) [system] get_char((0x55772f068e50), c)
   Exit: (221) [system] get_char((0x55772f068e50), c)
   Call: (221) [system] c=(\)
   Fail: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _124934)
   Call: (222) [system] peek_char((0x55772f068e50), _125868)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _124934=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (221) [system] _110998=[c]
   Exit: (221) [system] [c]=[c]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (220) [system] _97062=[b, c]
   Exit: (220) [system] [b, c]=[b, c]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (219) [user] classify_and_convert_charseq([a, b, c], _61552)
^  Call: (220) [user] classify_and_convert_charseq_([a, b, c], _140740)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_141692, _141694), once(user:catch(read_from_chars([a, b, c], _140740), _141674, fail)), '$restore_trace'(_141692, _141694))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_141692, _141694))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _141674, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(abc)
   Exit: (221) [system] atomic(abc)
^  Exit: (220) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (220) [system] integer(abc)
   Fail: (220) [system] integer(abc)
   Call: (220) [system] _61552=abc
   Exit: (220) [system] abc=abc
^  Exit: (219) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (218) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (217) [user] read_list(')', (0x55772f068e50), _153820)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _155678)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x55772f068e50), _165272)
   Exit: (219) [system] get_char((0x55772f068e50), ' ')
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _167976)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _184910)
   Exit: (218) [system] peek_char((0x55772f068e50), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _190480)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _192338)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _208348)
   Exit: (219) [system] get_char((0x55772f068e50), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x55772f068e50), _190480)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _213918)
   Exit: (221) [system] peek_char((0x55772f068e50), 'D')
   Call: (221) [system] 'D'=(;)
   Fail: (221) [system] 'D'=(;)
   Call: (221) [system] 'D'=(/)
   Fail: (221) [system] 'D'=(/)
^  Call: (221) [user] is_like_space('D')
   Call: (222) [system] char_type('D', 'white')
   Fail: (222) [system] char_type('D', 'white')
   Call: (222) [system] char_type('D', end_of_line)
   Fail: (222) [system] char_type('D', end_of_line)
   Call: (222) [system] char_type('D', space)
   Fail: (222) [system] char_type('D', space)
   Call: (222) [system] char_type('D', cntrl)
   Fail: (222) [system] char_type('D', cntrl)
^  Fail: (221) [user] is_like_space('D')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _229928)
   Exit: (220) [system] peek_char((0x55772f068e50), 'D')
   Call: (220) [system] 'D'=')'
   Fail: (220) [system] 'D'=')'
   Call: (220) [system] 'D'=end_of_file
   Fail: (220) [system] 'D'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _235498)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _237356)
   Exit: (222) [system] peek_char((0x55772f068e50), 'D')
   Call: (222) [system] 'D'=(;)
   Fail: (222) [system] 'D'=(;)
   Call: (222) [system] 'D'=(/)
   Fail: (222) [system] 'D'=(/)
^  Call: (222) [user] is_like_space('D')
   Call: (223) [system] char_type('D', 'white')
   Fail: (223) [system] char_type('D', 'white')
   Call: (223) [system] char_type('D', end_of_line)
   Fail: (223) [system] char_type('D', end_of_line)
   Call: (223) [system] char_type('D', space)
   Fail: (223) [system] char_type('D', space)
   Call: (223) [system] char_type('D', cntrl)
   Fail: (223) [system] char_type('D', cntrl)
^  Fail: (222) [user] is_like_space('D')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _253366)
   Exit: (221) [system] get_char((0x55772f068e50), 'D')
   Call: (221) [system] 'D'='('
   Fail: (221) [system] 'D'='('
   Call: (221) [system] 'D'='['
   Fail: (221) [system] 'D'='['
   Call: (221) [system] 'D'='{'
   Fail: (221) [system] 'D'='{'
   Call: (221) [system] 'D'='"'
   Fail: (221) [system] 'D'='"'
   Call: (221) [system] 'D'=!
   Fail: (221) [system] 'D'=!
   Call: (221) [system] 'D'='\''
   Fail: (221) [system] 'D'='\''
   Call: (221) [system] 'D'='`'
   Fail: (221) [system] 'D'='`'
   Call: (221) [system] 'D'=end_of_file
   Fail: (221) [system] 'D'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x55772f068e50), 'D', _235498)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _271008)
   Call: (223) [system] peek_char((0x55772f068e50), _271942)
   Exit: (223) [system] peek_char((0x55772f068e50), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_276662, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_277594, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x55772f068e50), i)
   Exit: (223) [system] get_char((0x55772f068e50), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _284944)
   Call: (224) [system] peek_char((0x55772f068e50), _285878)
   Exit: (224) [system] peek_char((0x55772f068e50), s)
^  Call: (224) [user] is_delimiter(s)
   Call: (225) [system] char_type(s, space)
   Fail: (225) [system] char_type(s, space)
   Call: (225) [system] arg(_290598, v('(', ')', end_of_file), s)
   Fail: (225) [system] arg(_291530, v('(', ')', end_of_file), s)
^  Fail: (224) [user] is_delimiter(s)
   Call: (224) [system] ')'==s
   Fail: (224) [system] ')'==s
   Call: (224) [system] get_char((0x55772f068e50), s)
   Exit: (224) [system] get_char((0x55772f068e50), s)
   Call: (224) [system] s=(\)
   Fail: (224) [system] s=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _298880)
   Call: (225) [system] peek_char((0x55772f068e50), _299814)
   Exit: (225) [system] peek_char((0x55772f068e50), j)
^  Call: (225) [user] is_delimiter(j)
   Call: (226) [system] char_type(j, space)
   Fail: (226) [system] char_type(j, space)
   Call: (226) [system] arg(_304534, v('(', ')', end_of_file), j)
   Fail: (226) [system] arg(_305466, v('(', ')', end_of_file), j)
^  Fail: (225) [user] is_delimiter(j)
   Call: (225) [system] ')'==j
   Fail: (225) [system] ')'==j
   Call: (225) [system] get_char((0x55772f068e50), j)
   Exit: (225) [system] get_char((0x55772f068e50), j)
   Call: (225) [system] j=(\)
   Fail: (225) [system] j=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _312816)
   Call: (226) [system] peek_char((0x55772f068e50), _313750)
   Exit: (226) [system] peek_char((0x55772f068e50), u)
^  Call: (226) [user] is_delimiter(u)
   Call: (227) [system] char_type(u, space)
   Fail: (227) [system] char_type(u, space)
   Call: (227) [system] arg(_318470, v('(', ')', end_of_file), u)
   Fail: (227) [system] arg(_319402, v('(', ')', end_of_file), u)
^  Fail: (226) [user] is_delimiter(u)
   Call: (226) [system] ')'==u
   Fail: (226) [system] ')'==u
   Call: (226) [system] get_char((0x55772f068e50), u)
   Exit: (226) [system] get_char((0x55772f068e50), u)
   Call: (226) [system] u=(\)
   Fail: (226) [system] u=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _326752)
   Call: (227) [system] peek_char((0x55772f068e50), _327686)
   Exit: (227) [system] peek_char((0x55772f068e50), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_332406, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_333338, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x55772f068e50), n)
   Exit: (227) [system] get_char((0x55772f068e50), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _340688)
   Call: (228) [system] peek_char((0x55772f068e50), _341622)
   Exit: (228) [system] peek_char((0x55772f068e50), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_346342, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_347274, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x55772f068e50), c)
   Exit: (228) [system] get_char((0x55772f068e50), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _354624)
   Call: (229) [system] peek_char((0x55772f068e50), _355558)
   Exit: (229) [system] peek_char((0x55772f068e50), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_360278, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_361210, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x55772f068e50), t)
   Exit: (229) [system] get_char((0x55772f068e50), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _368560)
   Call: (230) [system] peek_char((0x55772f068e50), _369494)
   Exit: (230) [system] peek_char((0x55772f068e50), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_374214, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_375146, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x55772f068e50), i)
   Exit: (230) [system] get_char((0x55772f068e50), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _382496)
   Call: (231) [system] peek_char((0x55772f068e50), _383430)
   Exit: (231) [system] peek_char((0x55772f068e50), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_388150, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_389082, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x55772f068e50), o)
   Exit: (231) [system] get_char((0x55772f068e50), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _396432)
   Call: (232) [system] peek_char((0x55772f068e50), _397366)
   Exit: (232) [system] peek_char((0x55772f068e50), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_402086, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_403018, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x55772f068e50), n)
   Exit: (232) [system] get_char((0x55772f068e50), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _410368)
   Call: (233) [system] peek_char((0x55772f068e50), _411302)
   Exit: (233) [system] peek_char((0x55772f068e50), 'I')
^  Call: (233) [user] is_delimiter('I')
   Call: (234) [system] char_type('I', space)
   Fail: (234) [system] char_type('I', space)
   Call: (234) [system] arg(_416022, v('(', ')', end_of_file), 'I')
   Fail: (234) [system] arg(_416954, v('(', ')', end_of_file), 'I')
^  Fail: (233) [user] is_delimiter('I')
   Call: (233) [system] ')'=='I'
   Fail: (233) [system] ')'=='I'
   Call: (233) [system] get_char((0x55772f068e50), 'I')
   Exit: (233) [system] get_char((0x55772f068e50), 'I')
   Call: (233) [system] 'I'=(\)
   Fail: (233) [system] 'I'=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _424304)
   Call: (234) [system] peek_char((0x55772f068e50), _425238)
   Exit: (234) [system] peek_char((0x55772f068e50), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_429958, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_430890, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x55772f068e50), n)
   Exit: (234) [system] get_char((0x55772f068e50), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _438240)
   Call: (235) [system] peek_char((0x55772f068e50), _439174)
   Exit: (235) [system] peek_char((0x55772f068e50), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Fail: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_443894, v('(', ')', end_of_file), t)
   Fail: (236) [system] arg(_444826, v('(', ')', end_of_file), t)
^  Fail: (235) [user] is_delimiter(t)
   Call: (235) [system] ')'==t
   Fail: (235) [system] ')'==t
   Call: (235) [system] get_char((0x55772f068e50), t)
   Exit: (235) [system] get_char((0x55772f068e50), t)
   Call: (235) [system] t=(\)
   Fail: (235) [system] t=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _452176)
   Call: (236) [system] peek_char((0x55772f068e50), _453110)
   Exit: (236) [system] peek_char((0x55772f068e50), r)
^  Call: (236) [user] is_delimiter(r)
   Call: (237) [system] char_type(r, space)
   Fail: (237) [system] char_type(r, space)
   Call: (237) [system] arg(_457830, v('(', ')', end_of_file), r)
   Fail: (237) [system] arg(_458762, v('(', ')', end_of_file), r)
^  Fail: (236) [user] is_delimiter(r)
   Call: (236) [system] ')'==r
   Fail: (236) [system] ')'==r
   Call: (236) [system] get_char((0x55772f068e50), r)
   Exit: (236) [system] get_char((0x55772f068e50), r)
   Call: (236) [system] r=(\)
   Fail: (236) [system] r=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _466112)
   Call: (237) [system] peek_char((0x55772f068e50), _467046)
   Exit: (237) [system] peek_char((0x55772f068e50), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Fail: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_471766, v('(', ')', end_of_file), o)
   Fail: (238) [system] arg(_472698, v('(', ')', end_of_file), o)
^  Fail: (237) [user] is_delimiter(o)
   Call: (237) [system] ')'==o
   Fail: (237) [system] ')'==o
   Call: (237) [system] get_char((0x55772f068e50), o)
   Exit: (237) [system] get_char((0x55772f068e50), o)
   Call: (237) [system] o=(\)
   Fail: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _480048)
   Call: (238) [system] peek_char((0x55772f068e50), _480982)
   Exit: (238) [system] peek_char((0x55772f068e50), d)
^  Call: (238) [user] is_delimiter(d)
   Call: (239) [system] char_type(d, space)
   Fail: (239) [system] char_type(d, space)
   Call: (239) [system] arg(_485702, v('(', ')', end_of_file), d)
   Fail: (239) [system] arg(_486634, v('(', ')', end_of_file), d)
^  Fail: (238) [user] is_delimiter(d)
   Call: (238) [system] ')'==d
   Fail: (238) [system] ')'==d
   Call: (238) [system] get_char((0x55772f068e50), d)
   Exit: (238) [system] get_char((0x55772f068e50), d)
   Call: (238) [system] d=(\)
   Fail: (238) [system] d=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _493984)
   Call: (239) [system] peek_char((0x55772f068e50), _494918)
   Exit: (239) [system] peek_char((0x55772f068e50), u)
^  Call: (239) [user] is_delimiter(u)
   Call: (240) [system] char_type(u, space)
   Fail: (240) [system] char_type(u, space)
   Call: (240) [system] arg(_499638, v('(', ')', end_of_file), u)
   Fail: (240) [system] arg(_500570, v('(', ')', end_of_file), u)
^  Fail: (239) [user] is_delimiter(u)
   Call: (239) [system] ')'==u
   Fail: (239) [system] ')'==u
   Call: (239) [system] get_char((0x55772f068e50), u)
   Exit: (239) [system] get_char((0x55772f068e50), u)
   Call: (239) [system] u=(\)
   Fail: (239) [system] u=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _507920)
   Call: (240) [system] peek_char((0x55772f068e50), _508854)
   Exit: (240) [system] peek_char((0x55772f068e50), c)
^  Call: (240) [user] is_delimiter(c)
   Call: (241) [system] char_type(c, space)
   Fail: (241) [system] char_type(c, space)
   Call: (241) [system] arg(_513574, v('(', ')', end_of_file), c)
   Fail: (241) [system] arg(_514506, v('(', ')', end_of_file), c)
^  Fail: (240) [user] is_delimiter(c)
   Call: (240) [system] ')'==c
   Fail: (240) [system] ')'==c
   Call: (240) [system] get_char((0x55772f068e50), c)
   Exit: (240) [system] get_char((0x55772f068e50), c)
   Call: (240) [system] c=(\)
   Fail: (240) [system] c=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _521856)
   Call: (241) [system] peek_char((0x55772f068e50), _522790)
   Exit: (241) [system] peek_char((0x55772f068e50), t)
^  Call: (241) [user] is_delimiter(t)
   Call: (242) [system] char_type(t, space)
   Fail: (242) [system] char_type(t, space)
   Call: (242) [system] arg(_527510, v('(', ')', end_of_file), t)
   Fail: (242) [system] arg(_528442, v('(', ')', end_of_file), t)
^  Fail: (241) [user] is_delimiter(t)
   Call: (241) [system] ')'==t
   Fail: (241) [system] ')'==t
   Call: (241) [system] get_char((0x55772f068e50), t)
   Exit: (241) [system] get_char((0x55772f068e50), t)
   Call: (241) [system] t=(\)
   Fail: (241) [system] t=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x55772f068e50), _535792)
   Call: (242) [system] peek_char((0x55772f068e50), _536726)
   Exit: (242) [system] peek_char((0x55772f068e50), i)
^  Call: (242) [user] is_delimiter(i)
   Call: (243) [system] char_type(i, space)
   Fail: (243) [system] char_type(i, space)
   Call: (243) [system] arg(_541446, v('(', ')', end_of_file), i)
   Fail: (243) [system] arg(_542378, v('(', ')', end_of_file), i)
^  Fail: (242) [user] is_delimiter(i)
   Call: (242) [system] ')'==i
   Fail: (242) [system] ')'==i
   Call: (242) [system] get_char((0x55772f068e50), i)
   Exit: (242) [system] get_char((0x55772f068e50), i)
   Call: (242) [system] i=(\)
   Fail: (242) [system] i=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x55772f068e50), _549728)
   Call: (243) [system] peek_char((0x55772f068e50), _550662)
   Exit: (243) [system] peek_char((0x55772f068e50), o)
^  Call: (243) [user] is_delimiter(o)
   Call: (244) [system] char_type(o, space)
   Fail: (244) [system] char_type(o, space)
   Call: (244) [system] arg(_555382, v('(', ')', end_of_file), o)
   Fail: (244) [system] arg(_556314, v('(', ')', end_of_file), o)
^  Fail: (243) [user] is_delimiter(o)
   Call: (243) [system] ')'==o
   Fail: (243) [system] ')'==o
   Call: (243) [system] get_char((0x55772f068e50), o)
   Exit: (243) [system] get_char((0x55772f068e50), o)
   Call: (243) [system] o=(\)
   Fail: (243) [system] o=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x55772f068e50), _563664)
   Call: (244) [system] peek_char((0x55772f068e50), _564598)
   Exit: (244) [system] peek_char((0x55772f068e50), n)
^  Call: (244) [user] is_delimiter(n)
   Call: (245) [system] char_type(n, space)
   Fail: (245) [system] char_type(n, space)
   Call: (245) [system] arg(_569318, v('(', ')', end_of_file), n)
   Fail: (245) [system] arg(_570250, v('(', ')', end_of_file), n)
^  Fail: (244) [user] is_delimiter(n)
   Call: (244) [system] ')'==n
   Fail: (244) [system] ')'==n
   Call: (244) [system] get_char((0x55772f068e50), n)
   Exit: (244) [system] get_char((0x55772f068e50), n)
   Call: (244) [system] n=(\)
   Fail: (244) [system] n=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x55772f068e50), _577600)
   Call: (245) [system] peek_char((0x55772f068e50), _578534)
   Exit: (245) [system] peek_char((0x55772f068e50), ' ')
^  Call: (245) [user] is_delimiter(' ')
   Call: (246) [system] char_type(' ', space)
   Exit: (246) [system] char_type(' ', space)
^  Exit: (245) [user] is_delimiter(' ')
   Call: (245) [system] _577600=[]
   Exit: (245) [system] []=[]
^  Exit: (244) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (244) [system] _563664=[n]
   Exit: (244) [system] [n]=[n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (243) [system] _549728=[o, n]
   Exit: (243) [system] [o, n]=[o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (242) [system] _535792=[i, o, n]
   Exit: (242) [system] [i, o, n]=[i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (241) [system] _521856=[t, i, o, n]
   Exit: (241) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (240) [system] _507920=[c, t, i, o, n]
   Exit: (240) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (239) [system] _493984=[u, c, t, i, o, n]
   Exit: (239) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (238) [system] _480048=[d, u, c, t, i, o, n]
   Exit: (238) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (237) [system] _466112=[o, d, u, c, t, i, o, n]
   Exit: (237) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (236) [system] _452176=[r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _438240=[t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _424304=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _410368=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _396432=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _382496=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _368560=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _354624=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _340688=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _326752=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _312816=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _298880=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _284944=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _271008=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (222) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _235498)
^  Call: (223) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _649286)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_650238, _650240), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _649286), _650220, fail)), '$restore_trace'(_650238, _650240))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_650238, _650240))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _649286), _650220, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_649286)
   Fail: (224) [system] atomic(_649286)
   Call: (224) [system] atom_chars(_649286, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (224) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (223) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (223) [system] integer('DisjunctionIntroduction')
   Fail: (223) [system] integer('DisjunctionIntroduction')
   Call: (223) [system] _235498='DisjunctionIntroduction'
   Exit: (223) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (222) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (221) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (220) [user] read_list(')', (0x55772f068e50), _664236)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _666094)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x55772f068e50), _675688)
   Exit: (222) [system] get_char((0x55772f068e50), ' ')
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _678392)
   Exit: (223) [system] peek_char((0x55772f068e50), c)
   Call: (223) [system] c=(;)
   Fail: (223) [system] c=(;)
   Call: (223) [system] c=(/)
   Fail: (223) [system] c=(/)
^  Call: (223) [user] is_like_space(c)
   Call: (224) [system] char_type(c, 'white')
   Fail: (224) [system] char_type(c, 'white')
   Call: (224) [system] char_type(c, end_of_line)
   Fail: (224) [system] char_type(c, end_of_line)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] char_type(c, cntrl)
   Fail: (224) [system] char_type(c, cntrl)
^  Fail: (223) [user] is_like_space(c)
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _695326)
   Exit: (221) [system] peek_char((0x55772f068e50), c)
   Call: (221) [system] c=')'
   Fail: (221) [system] c=')'
   Call: (221) [system] c=end_of_file
   Fail: (221) [system] c=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _700896)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _702754)
   Exit: (223) [system] peek_char((0x55772f068e50), c)
   Call: (223) [system] c=(;)
   Fail: (223) [system] c=(;)
   Call: (223) [system] c=(/)
   Fail: (223) [system] c=(/)
^  Call: (223) [user] is_like_space(c)
   Call: (224) [system] char_type(c, 'white')
   Fail: (224) [system] char_type(c, 'white')
   Call: (224) [system] char_type(c, end_of_line)
   Fail: (224) [system] char_type(c, end_of_line)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] char_type(c, cntrl)
   Fail: (224) [system] char_type(c, cntrl)
^  Fail: (223) [user] is_like_space(c)
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _718764)
   Exit: (222) [system] get_char((0x55772f068e50), c)
   Call: (222) [system] c='('
   Fail: (222) [system] c='('
   Call: (222) [system] c='['
   Fail: (222) [system] c='['
   Call: (222) [system] c='{'
   Fail: (222) [system] c='{'
   Call: (222) [system] c='"'
   Fail: (222) [system] c='"'
   Call: (222) [system] c=!
   Fail: (222) [system] c=!
   Call: (222) [system] c='\''
   Fail: (222) [system] c='\''
   Call: (222) [system] c='`'
   Fail: (222) [system] c='`'
   Call: (222) [system] c=end_of_file
   Fail: (222) [system] c=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x55772f068e50), c, _700896)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _736406)
   Call: (224) [system] peek_char((0x55772f068e50), _737340)
   Exit: (224) [system] peek_char((0x55772f068e50), d)
^  Call: (224) [user] is_delimiter(d)
   Call: (225) [system] char_type(d, space)
   Fail: (225) [system] char_type(d, space)
   Call: (225) [system] arg(_742060, v('(', ')', end_of_file), d)
   Fail: (225) [system] arg(_742992, v('(', ')', end_of_file), d)
^  Fail: (224) [user] is_delimiter(d)
   Call: (224) [system] ')'==d
   Fail: (224) [system] ')'==d
   Call: (224) [system] get_char((0x55772f068e50), d)
   Exit: (224) [system] get_char((0x55772f068e50), d)
   Call: (224) [system] d=(\)
   Fail: (224) [system] d=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _750342)
   Call: (225) [system] peek_char((0x55772f068e50), _751276)
   Exit: (225) [system] peek_char((0x55772f068e50), e)
^  Call: (225) [user] is_delimiter(e)
   Call: (226) [system] char_type(e, space)
   Fail: (226) [system] char_type(e, space)
   Call: (226) [system] arg(_755996, v('(', ')', end_of_file), e)
   Fail: (226) [system] arg(_756928, v('(', ')', end_of_file), e)
^  Fail: (225) [user] is_delimiter(e)
   Call: (225) [system] ')'==e
   Fail: (225) [system] ')'==e
   Call: (225) [system] get_char((0x55772f068e50), e)
   Exit: (225) [system] get_char((0x55772f068e50), e)
   Call: (225) [system] e=(\)
   Fail: (225) [system] e=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _764278)
   Call: (226) [system] peek_char((0x55772f068e50), _765212)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _764278=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (225) [system] _750342=[e]
   Exit: (225) [system] [e]=[e]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (224) [system] _736406=[d, e]
   Exit: (224) [system] [d, e]=[d, e]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [d, e])
^  Call: (223) [user] classify_and_convert_charseq([c, d, e], _700896)
^  Call: (224) [user] classify_and_convert_charseq_([c, d, e], _780084)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_781036, _781038), once(user:catch(read_from_chars([c, d, e], _780084), _781018, fail)), '$restore_trace'(_781036, _781038))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_781036, _781038))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _781018, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(cde)
   Exit: (225) [system] atomic(cde)
^  Exit: (224) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (224) [system] integer(cde)
   Fail: (224) [system] integer(cde)
   Call: (224) [system] _700896=cde
   Exit: (224) [system] cde=cde
^  Exit: (223) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (222) [user] read_symbolic(')', (0x55772f068e50), c, cde)
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), cde)
^  Call: (221) [user] read_list(')', (0x55772f068e50), _793164)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _795022)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x55772f068e50), _804616)
   Exit: (223) [system] get_char((0x55772f068e50), ' ')
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _807320)
   Exit: (224) [system] peek_char((0x55772f068e50), a)
   Call: (224) [system] a=(;)
   Fail: (224) [system] a=(;)
   Call: (224) [system] a=(/)
   Fail: (224) [system] a=(/)
^  Call: (224) [user] is_like_space(a)
   Call: (225) [system] char_type(a, 'white')
   Fail: (225) [system] char_type(a, 'white')
   Call: (225) [system] char_type(a, end_of_line)
   Fail: (225) [system] char_type(a, end_of_line)
   Call: (225) [system] char_type(a, space)
   Fail: (225) [system] char_type(a, space)
   Call: (225) [system] char_type(a, cntrl)
   Fail: (225) [system] char_type(a, cntrl)
^  Fail: (224) [user] is_like_space(a)
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _824254)
   Exit: (222) [system] peek_char((0x55772f068e50), a)
   Call: (222) [system] a=')'
   Fail: (222) [system] a=')'
   Call: (222) [system] a=end_of_file
   Fail: (222) [system] a=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _829824)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _831682)
   Exit: (224) [system] peek_char((0x55772f068e50), a)
   Call: (224) [system] a=(;)
   Fail: (224) [system] a=(;)
   Call: (224) [system] a=(/)
   Fail: (224) [system] a=(/)
^  Call: (224) [user] is_like_space(a)
   Call: (225) [system] char_type(a, 'white')
   Fail: (225) [system] char_type(a, 'white')
   Call: (225) [system] char_type(a, end_of_line)
   Fail: (225) [system] char_type(a, end_of_line)
   Call: (225) [system] char_type(a, space)
   Fail: (225) [system] char_type(a, space)
   Call: (225) [system] char_type(a, cntrl)
   Fail: (225) [system] char_type(a, cntrl)
^  Fail: (224) [user] is_like_space(a)
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _847692)
   Exit: (223) [system] get_char((0x55772f068e50), a)
   Call: (223) [system] a='('
   Fail: (223) [system] a='('
   Call: (223) [system] a='['
   Fail: (223) [system] a='['
   Call: (223) [system] a='{'
   Fail: (223) [system] a='{'
   Call: (223) [system] a='"'
   Fail: (223) [system] a='"'
   Call: (223) [system] a=!
   Fail: (223) [system] a=!
   Call: (223) [system] a='\''
   Fail: (223) [system] a='\''
   Call: (223) [system] a='`'
   Fail: (223) [system] a='`'
   Call: (223) [system] a=end_of_file
   Fail: (223) [system] a=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x55772f068e50), a, _829824)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _865334)
   Call: (225) [system] peek_char((0x55772f068e50), _866268)
   Exit: (225) [system] peek_char((0x55772f068e50), b)
^  Call: (225) [user] is_delimiter(b)
   Call: (226) [system] char_type(b, space)
   Fail: (226) [system] char_type(b, space)
   Call: (226) [system] arg(_870988, v('(', ')', end_of_file), b)
   Fail: (226) [system] arg(_871920, v('(', ')', end_of_file), b)
^  Fail: (225) [user] is_delimiter(b)
   Call: (225) [system] ')'==b
   Fail: (225) [system] ')'==b
   Call: (225) [system] get_char((0x55772f068e50), b)
   Exit: (225) [system] get_char((0x55772f068e50), b)
   Call: (225) [system] b=(\)
   Fail: (225) [system] b=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _879270)
   Call: (226) [system] peek_char((0x55772f068e50), _880204)
   Exit: (226) [system] peek_char((0x55772f068e50), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_884924, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_885856, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x55772f068e50), c)
   Exit: (226) [system] get_char((0x55772f068e50), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _893206)
   Call: (227) [system] peek_char((0x55772f068e50), _894140)
   Exit: (227) [system] peek_char((0x55772f068e50), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_898860, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _893206=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (226) [system] _879270=[c]
   Exit: (226) [system] [c]=[c]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (225) [system] _865334=[b, c]
   Exit: (225) [system] [b, c]=[b, c]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (224) [user] classify_and_convert_charseq([a, b, c], _829824)
^  Call: (225) [user] classify_and_convert_charseq_([a, b, c], _910884)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_911836, _911838), once(user:catch(read_from_chars([a, b, c], _910884), _911818, fail)), '$restore_trace'(_911836, _911838))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_911836, _911838))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _911818, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(abc)
   Exit: (226) [system] atomic(abc)
^  Exit: (225) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (225) [system] integer(abc)
   Fail: (225) [system] integer(abc)
   Call: (225) [system] _829824=abc
   Exit: (225) [system] abc=abc
^  Exit: (224) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (223) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (222) [user] read_list(')', (0x55772f068e50), _923964)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _925822)
   Exit: (224) [system] peek_char((0x55772f068e50), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
   Call: (224) [system] ')'=(/)
   Fail: (224) [system] ')'=(/)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _941832)
   Exit: (223) [system] peek_char((0x55772f068e50), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x55772f068e50), _945622)
   Exit: (223) [system] get_char((0x55772f068e50), ')')
   Call: (223) [system] _923964=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x55772f068e50), [])
   Call: (222) [system] _793164=[abc]
   Exit: (222) [system] [abc]=[abc]
^  Exit: (221) [user] read_list(')', (0x55772f068e50), [abc])
   Call: (221) [system] _664236=[cde, abc]
   Exit: (221) [system] [cde, abc]=[cde, abc]
^  Exit: (220) [user] read_list(')', (0x55772f068e50), [cde, abc])
   Call: (220) [system] _190480=['DisjunctionIntroduction', cde, abc]
   Exit: (220) [system] ['DisjunctionIntroduction', cde, abc]=['DisjunctionIntroduction', cde, abc]
^  Exit: (219) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', cde, abc])
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', cde, abc])
^  Call: (218) [user] read_list(')', (0x55772f068e50), _959504)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _961362)
   Exit: (220) [system] peek_char((0x55772f068e50), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
   Call: (220) [system] ')'=(/)
   Fail: (220) [system] ')'=(/)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _977372)
   Exit: (219) [system] peek_char((0x55772f068e50), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x55772f068e50), _981162)
   Exit: (219) [system] get_char((0x55772f068e50), ')')
   Call: (219) [system] _959504=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x55772f068e50), [])
   Call: (218) [system] _153820=[['DisjunctionIntroduction', cde, abc]]
   Exit: (218) [system] [['DisjunctionIntroduction', cde, abc]]=[['DisjunctionIntroduction', cde, abc]]
^  Exit: (217) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', cde, abc]])
   Call: (217) [system] _24892=[abc, ['DisjunctionIntroduction', cde, abc]]
   Exit: (217) [system] [abc, ['DisjunctionIntroduction', cde, abc]]=[abc, ['DisjunctionIntroduction', cde, abc]]
^  Exit: (216) [user] read_list(')', (0x55772f068e50), [abc, ['DisjunctionIntroduction', cde, abc]])
   Call: (216) [system] _5468=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]]
   Exit: (216) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]]
^  Exit: (215) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]])
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]])
^  Call: (214) [user] read_list(')', (0x55772f068e50), _995044)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _996902)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x55772f068e50), _1006496)
   Exit: (216) [system] get_char((0x55772f068e50), ' ')
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1009200)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _1026134)
   Exit: (215) [system] peek_char((0x55772f068e50), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x55772f068e50), _1031704)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1033562)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] get_char((0x55772f068e50), _1049572)
   Exit: (216) [system] get_char((0x55772f068e50), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x55772f068e50), _1031704)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1055142)
   Exit: (218) [system] peek_char((0x55772f068e50), 'O')
   Call: (218) [system] 'O'=(;)
   Fail: (218) [system] 'O'=(;)
   Call: (218) [system] 'O'=(/)
   Fail: (218) [system] 'O'=(/)
^  Call: (218) [user] is_like_space('O')
   Call: (219) [system] char_type('O', 'white')
   Fail: (219) [system] char_type('O', 'white')
   Call: (219) [system] char_type('O', end_of_line)
   Fail: (219) [system] char_type('O', end_of_line)
   Call: (219) [system] char_type('O', space)
   Fail: (219) [system] char_type('O', space)
   Call: (219) [system] char_type('O', cntrl)
   Fail: (219) [system] char_type('O', cntrl)
^  Fail: (218) [user] is_like_space('O')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1071152)
   Exit: (217) [system] peek_char((0x55772f068e50), 'O')
   Call: (217) [system] 'O'=')'
   Fail: (217) [system] 'O'=')'
   Call: (217) [system] 'O'=end_of_file
   Fail: (217) [system] 'O'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _1076722)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1078580)
   Exit: (219) [system] peek_char((0x55772f068e50), 'O')
   Call: (219) [system] 'O'=(;)
   Fail: (219) [system] 'O'=(;)
   Call: (219) [system] 'O'=(/)
   Fail: (219) [system] 'O'=(/)
^  Call: (219) [user] is_like_space('O')
   Call: (220) [system] char_type('O', 'white')
   Fail: (220) [system] char_type('O', 'white')
   Call: (220) [system] char_type('O', end_of_line)
   Fail: (220) [system] char_type('O', end_of_line)
   Call: (220) [system] char_type('O', space)
   Fail: (220) [system] char_type('O', space)
   Call: (220) [system] char_type('O', cntrl)
   Fail: (220) [system] char_type('O', cntrl)
^  Fail: (219) [user] is_like_space('O')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _1094590)
   Exit: (218) [system] get_char((0x55772f068e50), 'O')
   Call: (218) [system] 'O'='('
   Fail: (218) [system] 'O'='('
   Call: (218) [system] 'O'='['
   Fail: (218) [system] 'O'='['
   Call: (218) [system] 'O'='{'
   Fail: (218) [system] 'O'='{'
   Call: (218) [system] 'O'='"'
   Fail: (218) [system] 'O'='"'
   Call: (218) [system] 'O'=!
   Fail: (218) [system] 'O'=!
   Call: (218) [system] 'O'='\''
   Fail: (218) [system] 'O'='\''
   Call: (218) [system] 'O'='`'
   Fail: (218) [system] 'O'='`'
   Call: (218) [system] 'O'=end_of_file
   Fail: (218) [system] 'O'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x55772f068e50), 'O', _1076722)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _1112232)
   Call: (220) [system] peek_char((0x55772f068e50), _1113166)
   Exit: (220) [system] peek_char((0x55772f068e50), r)
^  Call: (220) [user] is_delimiter(r)
   Call: (221) [system] char_type(r, space)
   Fail: (221) [system] char_type(r, space)
   Call: (221) [system] arg(_1117886, v('(', ')', end_of_file), r)
   Fail: (221) [system] arg(_1118818, v('(', ')', end_of_file), r)
^  Fail: (220) [user] is_delimiter(r)
   Call: (220) [system] ')'==r
   Fail: (220) [system] ')'==r
   Call: (220) [system] get_char((0x55772f068e50), r)
   Exit: (220) [system] get_char((0x55772f068e50), r)
   Call: (220) [system] r=(\)
   Fail: (220) [system] r=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1126168)
   Call: (221) [system] peek_char((0x55772f068e50), _1127102)
   Exit: (221) [system] peek_char((0x55772f068e50), 'L')
^  Call: (221) [user] is_delimiter('L')
   Call: (222) [system] char_type('L', space)
   Fail: (222) [system] char_type('L', space)
   Call: (222) [system] arg(_1131822, v('(', ')', end_of_file), 'L')
   Fail: (222) [system] arg(_1132754, v('(', ')', end_of_file), 'L')
^  Fail: (221) [user] is_delimiter('L')
   Call: (221) [system] ')'=='L'
   Fail: (221) [system] ')'=='L'
   Call: (221) [system] get_char((0x55772f068e50), 'L')
   Exit: (221) [system] get_char((0x55772f068e50), 'L')
   Call: (221) [system] 'L'=(\)
   Fail: (221) [system] 'L'=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1140104)
   Call: (222) [system] peek_char((0x55772f068e50), _1141038)
   Exit: (222) [system] peek_char((0x55772f068e50), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1145758, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_1146690, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x55772f068e50), i)
   Exit: (222) [system] get_char((0x55772f068e50), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1154040)
   Call: (223) [system] peek_char((0x55772f068e50), _1154974)
   Exit: (223) [system] peek_char((0x55772f068e50), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1159694, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_1160626, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x55772f068e50), n)
   Exit: (223) [system] get_char((0x55772f068e50), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1167976)
   Call: (224) [system] peek_char((0x55772f068e50), _1168910)
   Exit: (224) [system] peek_char((0x55772f068e50), k)
^  Call: (224) [user] is_delimiter(k)
   Call: (225) [system] char_type(k, space)
   Fail: (225) [system] char_type(k, space)
   Call: (225) [system] arg(_1173630, v('(', ')', end_of_file), k)
   Fail: (225) [system] arg(_1174562, v('(', ')', end_of_file), k)
^  Fail: (224) [user] is_delimiter(k)
   Call: (224) [system] ')'==k
   Fail: (224) [system] ')'==k
   Call: (224) [system] get_char((0x55772f068e50), k)
   Exit: (224) [system] get_char((0x55772f068e50), k)
   Call: (224) [system] k=(\)
   Fail: (224) [system] k=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1181912)
   Call: (225) [system] peek_char((0x55772f068e50), _1182846)
   Exit: (225) [system] peek_char((0x55772f068e50), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _1181912=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (224) [system] _1167976=[k]
   Exit: (224) [system] [k]=[k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (223) [system] _1154040=[n, k]
   Exit: (223) [system] [n, k]=[n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (222) [system] _1140104=[i, n, k]
   Exit: (222) [system] [i, n, k]=[i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (221) [system] _1126168=['L', i, n, k]
   Exit: (221) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (220) [system] _1112232=[r, 'L', i, n, k]
   Exit: (220) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (219) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1076722)
^  Call: (220) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1206100)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1207052, _1207054), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1206100), _1207034, fail)), '$restore_trace'(_1207052, _1207054))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1207052, _1207054))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1206100), _1207034, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_1206100)
   Fail: (221) [system] atomic(_1206100)
   Call: (221) [system] atom_chars(_1206100, ['O', r, 'L', i, n, k])
   Exit: (221) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (220) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (220) [system] integer('OrLink')
   Fail: (220) [system] integer('OrLink')
   Call: (220) [system] _1076722='OrLink'
   Exit: (220) [system] 'OrLink'='OrLink'
^  Exit: (219) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (218) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (217) [user] read_list(')', (0x55772f068e50), _1221050)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1222908)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x55772f068e50), _1232502)
   Exit: (219) [system] get_char((0x55772f068e50), ' ')
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1235206)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1252140)
   Exit: (218) [system] peek_char((0x55772f068e50), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _1257710)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1259568)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _1275578)
   Exit: (219) [system] get_char((0x55772f068e50), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x55772f068e50), _1257710)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1281148)
   Exit: (221) [system] peek_char((0x55772f068e50), 'I')
   Call: (221) [system] 'I'=(;)
   Fail: (221) [system] 'I'=(;)
   Call: (221) [system] 'I'=(/)
   Fail: (221) [system] 'I'=(/)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Fail: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Fail: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
   Fail: (222) [system] char_type('I', cntrl)
^  Fail: (221) [user] is_like_space('I')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1297158)
   Exit: (220) [system] peek_char((0x55772f068e50), 'I')
   Call: (220) [system] 'I'=')'
   Fail: (220) [system] 'I'=')'
   Call: (220) [system] 'I'=end_of_file
   Fail: (220) [system] 'I'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _1302728)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1304586)
   Exit: (222) [system] peek_char((0x55772f068e50), 'I')
   Call: (222) [system] 'I'=(;)
   Fail: (222) [system] 'I'=(;)
   Call: (222) [system] 'I'=(/)
   Fail: (222) [system] 'I'=(/)
^  Call: (222) [user] is_like_space('I')
   Call: (223) [system] char_type('I', 'white')
   Fail: (223) [system] char_type('I', 'white')
   Call: (223) [system] char_type('I', end_of_line)
   Fail: (223) [system] char_type('I', end_of_line)
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] char_type('I', cntrl)
   Fail: (223) [system] char_type('I', cntrl)
^  Fail: (222) [user] is_like_space('I')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _1320596)
   Exit: (221) [system] get_char((0x55772f068e50), 'I')
   Call: (221) [system] 'I'='('
   Fail: (221) [system] 'I'='('
   Call: (221) [system] 'I'='['
   Fail: (221) [system] 'I'='['
   Call: (221) [system] 'I'='{'
   Fail: (221) [system] 'I'='{'
   Call: (221) [system] 'I'='"'
   Fail: (221) [system] 'I'='"'
   Call: (221) [system] 'I'=!
   Fail: (221) [system] 'I'=!
   Call: (221) [system] 'I'='\''
   Fail: (221) [system] 'I'='\''
   Call: (221) [system] 'I'='`'
   Fail: (221) [system] 'I'='`'
   Call: (221) [system] 'I'=end_of_file
   Fail: (221) [system] 'I'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x55772f068e50), 'I', _1302728)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1338238)
   Call: (223) [system] peek_char((0x55772f068e50), _1339172)
   Exit: (223) [system] peek_char((0x55772f068e50), m)
^  Call: (223) [user] is_delimiter(m)
   Call: (224) [system] char_type(m, space)
   Fail: (224) [system] char_type(m, space)
   Call: (224) [system] arg(_1343892, v('(', ')', end_of_file), m)
   Fail: (224) [system] arg(_1344824, v('(', ')', end_of_file), m)
^  Fail: (223) [user] is_delimiter(m)
   Call: (223) [system] ')'==m
   Fail: (223) [system] ')'==m
   Call: (223) [system] get_char((0x55772f068e50), m)
   Exit: (223) [system] get_char((0x55772f068e50), m)
   Call: (223) [system] m=(\)
   Fail: (223) [system] m=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1352174)
   Call: (224) [system] peek_char((0x55772f068e50), _1353108)
   Exit: (224) [system] peek_char((0x55772f068e50), p)
^  Call: (224) [user] is_delimiter(p)
   Call: (225) [system] char_type(p, space)
   Fail: (225) [system] char_type(p, space)
   Call: (225) [system] arg(_1357828, v('(', ')', end_of_file), p)
   Fail: (225) [system] arg(_1358760, v('(', ')', end_of_file), p)
^  Fail: (224) [user] is_delimiter(p)
   Call: (224) [system] ')'==p
   Fail: (224) [system] ')'==p
   Call: (224) [system] get_char((0x55772f068e50), p)
   Exit: (224) [system] get_char((0x55772f068e50), p)
   Call: (224) [system] p=(\)
   Fail: (224) [system] p=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1366110)
   Call: (225) [system] peek_char((0x55772f068e50), _1367044)
   Exit: (225) [system] peek_char((0x55772f068e50), l)
^  Call: (225) [user] is_delimiter(l)
   Call: (226) [system] char_type(l, space)
   Fail: (226) [system] char_type(l, space)
   Call: (226) [system] arg(_1371764, v('(', ')', end_of_file), l)
   Fail: (226) [system] arg(_1372696, v('(', ')', end_of_file), l)
^  Fail: (225) [user] is_delimiter(l)
   Call: (225) [system] ')'==l
   Fail: (225) [system] ')'==l
   Call: (225) [system] get_char((0x55772f068e50), l)
   Exit: (225) [system] get_char((0x55772f068e50), l)
   Call: (225) [system] l=(\)
   Fail: (225) [system] l=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1380046)
   Call: (226) [system] peek_char((0x55772f068e50), _1380980)
   Exit: (226) [system] peek_char((0x55772f068e50), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_1385700, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_1386632, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x55772f068e50), i)
   Exit: (226) [system] get_char((0x55772f068e50), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1393982)
   Call: (227) [system] peek_char((0x55772f068e50), _1394916)
   Exit: (227) [system] peek_char((0x55772f068e50), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_1399636, v('(', ')', end_of_file), c)
   Fail: (228) [system] arg(_1400568, v('(', ')', end_of_file), c)
^  Fail: (227) [user] is_delimiter(c)
   Call: (227) [system] ')'==c
   Fail: (227) [system] ')'==c
   Call: (227) [system] get_char((0x55772f068e50), c)
   Exit: (227) [system] get_char((0x55772f068e50), c)
   Call: (227) [system] c=(\)
   Fail: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1407918)
   Call: (228) [system] peek_char((0x55772f068e50), _1408852)
   Exit: (228) [system] peek_char((0x55772f068e50), a)
^  Call: (228) [user] is_delimiter(a)
   Call: (229) [system] char_type(a, space)
   Fail: (229) [system] char_type(a, space)
   Call: (229) [system] arg(_1413572, v('(', ')', end_of_file), a)
   Fail: (229) [system] arg(_1414504, v('(', ')', end_of_file), a)
^  Fail: (228) [user] is_delimiter(a)
   Call: (228) [system] ')'==a
   Fail: (228) [system] ')'==a
   Call: (228) [system] get_char((0x55772f068e50), a)
   Exit: (228) [system] get_char((0x55772f068e50), a)
   Call: (228) [system] a=(\)
   Fail: (228) [system] a=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1421854)
   Call: (229) [system] peek_char((0x55772f068e50), _1422788)
   Exit: (229) [system] peek_char((0x55772f068e50), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_1427508, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_1428440, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x55772f068e50), t)
   Exit: (229) [system] get_char((0x55772f068e50), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1435790)
   Call: (230) [system] peek_char((0x55772f068e50), _1436724)
   Exit: (230) [system] peek_char((0x55772f068e50), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1441444, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_1442376, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x55772f068e50), i)
   Exit: (230) [system] get_char((0x55772f068e50), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1449726)
   Call: (231) [system] peek_char((0x55772f068e50), _1450660)
   Exit: (231) [system] peek_char((0x55772f068e50), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_1455380, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_1456312, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x55772f068e50), o)
   Exit: (231) [system] get_char((0x55772f068e50), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1463662)
   Call: (232) [system] peek_char((0x55772f068e50), _1464596)
   Exit: (232) [system] peek_char((0x55772f068e50), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_1469316, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_1470248, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x55772f068e50), n)
   Exit: (232) [system] get_char((0x55772f068e50), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1477598)
   Call: (233) [system] peek_char((0x55772f068e50), _1478532)
   Exit: (233) [system] peek_char((0x55772f068e50), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _1477598=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (232) [system] _1463662=[n]
   Exit: (232) [system] [n]=[n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (231) [system] _1449726=[o, n]
   Exit: (231) [system] [o, n]=[o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (230) [system] _1435790=[i, o, n]
   Exit: (230) [system] [i, o, n]=[i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (229) [system] _1421854=[t, i, o, n]
   Exit: (229) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (228) [system] _1407918=[a, t, i, o, n]
   Exit: (228) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (227) [system] _1393982=[c, a, t, i, o, n]
   Exit: (227) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (226) [system] _1380046=[i, c, a, t, i, o, n]
   Exit: (226) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (225) [system] _1366110=[l, i, c, a, t, i, o, n]
   Exit: (225) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (224) [system] _1352174=[p, l, i, c, a, t, i, o, n]
   Exit: (224) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (223) [system] _1338238=[m, p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (222) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1302728)
^  Call: (223) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1515756)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1516708, _1516710), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1515756), _1516690, fail)), '$restore_trace'(_1516708, _1516710))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1516708, _1516710))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1515756), _1516690, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1515756)
   Fail: (224) [system] atomic(_1515756)
   Call: (224) [system] atom_chars(_1515756, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (224) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (223) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (223) [system] integer('Implication')
   Fail: (223) [system] integer('Implication')
   Call: (223) [system] _1302728='Implication'
   Exit: (223) [system] 'Implication'='Implication'
^  Exit: (222) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (221) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (220) [user] read_list(')', (0x55772f068e50), _1530706)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1532564)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x55772f068e50), _1542158)
   Exit: (222) [system] get_char((0x55772f068e50), ' ')
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1544862)
   Exit: (223) [system] peek_char((0x55772f068e50), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1561796)
   Exit: (221) [system] peek_char((0x55772f068e50), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _1567366)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1569224)
   Exit: (223) [system] peek_char((0x55772f068e50), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _1585234)
   Exit: (222) [system] get_char((0x55772f068e50), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x55772f068e50), _1567366)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1590804)
   Exit: (224) [system] peek_char((0x55772f068e50), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
   Call: (224) [system] 'A'=(/)
   Fail: (224) [system] 'A'=(/)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1606814)
   Exit: (223) [system] peek_char((0x55772f068e50), 'A')
   Call: (223) [system] 'A'=')'
   Fail: (223) [system] 'A'=')'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x55772f068e50), _1612384)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1614242)
   Exit: (225) [system] peek_char((0x55772f068e50), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] get_char((0x55772f068e50), _1630252)
   Exit: (224) [system] get_char((0x55772f068e50), 'A')
   Call: (224) [system] 'A'='('
   Fail: (224) [system] 'A'='('
   Call: (224) [system] 'A'='['
   Fail: (224) [system] 'A'='['
   Call: (224) [system] 'A'='{'
   Fail: (224) [system] 'A'='{'
   Call: (224) [system] 'A'='"'
   Fail: (224) [system] 'A'='"'
   Call: (224) [system] 'A'=!
   Fail: (224) [system] 'A'=!
   Call: (224) [system] 'A'='\''
   Fail: (224) [system] 'A'='\''
   Call: (224) [system] 'A'='`'
   Fail: (224) [system] 'A'='`'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x55772f068e50), 'A', _1612384)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1647894)
   Call: (226) [system] peek_char((0x55772f068e50), _1648828)
   Exit: (226) [system] peek_char((0x55772f068e50), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1653548, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1654480, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x55772f068e50), n)
   Exit: (226) [system] get_char((0x55772f068e50), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1661830)
   Call: (227) [system] peek_char((0x55772f068e50), _1662764)
   Exit: (227) [system] peek_char((0x55772f068e50), d)
^  Call: (227) [user] is_delimiter(d)
   Call: (228) [system] char_type(d, space)
   Fail: (228) [system] char_type(d, space)
   Call: (228) [system] arg(_1667484, v('(', ')', end_of_file), d)
   Fail: (228) [system] arg(_1668416, v('(', ')', end_of_file), d)
^  Fail: (227) [user] is_delimiter(d)
   Call: (227) [system] ')'==d
   Fail: (227) [system] ')'==d
   Call: (227) [system] get_char((0x55772f068e50), d)
   Exit: (227) [system] get_char((0x55772f068e50), d)
   Call: (227) [system] d=(\)
   Fail: (227) [system] d=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1675766)
   Call: (228) [system] peek_char((0x55772f068e50), _1676700)
   Exit: (228) [system] peek_char((0x55772f068e50), 'L')
^  Call: (228) [user] is_delimiter('L')
   Call: (229) [system] char_type('L', space)
   Fail: (229) [system] char_type('L', space)
   Call: (229) [system] arg(_1681420, v('(', ')', end_of_file), 'L')
   Fail: (229) [system] arg(_1682352, v('(', ')', end_of_file), 'L')
^  Fail: (228) [user] is_delimiter('L')
   Call: (228) [system] ')'=='L'
   Fail: (228) [system] ')'=='L'
   Call: (228) [system] get_char((0x55772f068e50), 'L')
   Exit: (228) [system] get_char((0x55772f068e50), 'L')
   Call: (228) [system] 'L'=(\)
   Fail: (228) [system] 'L'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1689702)
   Call: (229) [system] peek_char((0x55772f068e50), _1690636)
   Exit: (229) [system] peek_char((0x55772f068e50), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1695356, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1696288, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x55772f068e50), i)
   Exit: (229) [system] get_char((0x55772f068e50), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1703638)
   Call: (230) [system] peek_char((0x55772f068e50), _1704572)
   Exit: (230) [system] peek_char((0x55772f068e50), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1709292, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1710224, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x55772f068e50), n)
   Exit: (230) [system] get_char((0x55772f068e50), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1717574)
   Call: (231) [system] peek_char((0x55772f068e50), _1718508)
   Exit: (231) [system] peek_char((0x55772f068e50), k)
^  Call: (231) [user] is_delimiter(k)
   Call: (232) [system] char_type(k, space)
   Fail: (232) [system] char_type(k, space)
   Call: (232) [system] arg(_1723228, v('(', ')', end_of_file), k)
   Fail: (232) [system] arg(_1724160, v('(', ')', end_of_file), k)
^  Fail: (231) [user] is_delimiter(k)
   Call: (231) [system] ')'==k
   Fail: (231) [system] ')'==k
   Call: (231) [system] get_char((0x55772f068e50), k)
   Exit: (231) [system] get_char((0x55772f068e50), k)
   Call: (231) [system] k=(\)
   Fail: (231) [system] k=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1731510)
   Call: (232) [system] peek_char((0x55772f068e50), _1732444)
   Exit: (232) [system] peek_char((0x55772f068e50), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1731510=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (231) [system] _1717574=[k]
   Exit: (231) [system] [k]=[k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (230) [system] _1703638=[n, k]
   Exit: (230) [system] [n, k]=[n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (229) [system] _1689702=[i, n, k]
   Exit: (229) [system] [i, n, k]=[i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (228) [system] _1675766=['L', i, n, k]
   Exit: (228) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (227) [system] _1661830=[d, 'L', i, n, k]
   Exit: (227) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (226) [system] _1647894=[n, d, 'L', i, n, k]
   Exit: (226) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (225) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1612384)
^  Call: (226) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1758492)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1759444, _1759446), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1758492), _1759426, fail)), '$restore_trace'(_1759444, _1759446))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1759444, _1759446))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1758492), _1759426, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1758492)
   Fail: (227) [system] atomic(_1758492)
   Call: (227) [system] atom_chars(_1758492, ['A', n, d, 'L', i, n, k])
   Exit: (227) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (226) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (226) [system] integer('AndLink')
   Fail: (226) [system] integer('AndLink')
   Call: (226) [system] _1612384='AndLink'
   Exit: (226) [system] 'AndLink'='AndLink'
^  Exit: (225) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (224) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (223) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (223) [user] read_list(')', (0x55772f068e50), _1773442)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1775300)
   Exit: (225) [system] peek_char((0x55772f068e50), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x55772f068e50), _1784894)
   Exit: (225) [system] get_char((0x55772f068e50), ' ')
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1787598)
   Exit: (226) [system] peek_char((0x55772f068e50), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
   Call: (226) [system] 'A'=(/)
   Fail: (226) [system] 'A'=(/)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1804532)
   Exit: (224) [system] peek_char((0x55772f068e50), 'A')
   Call: (224) [system] 'A'=')'
   Fail: (224) [system] 'A'=')'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x55772f068e50), _1810102)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1811960)
   Exit: (226) [system] peek_char((0x55772f068e50), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
   Call: (226) [system] 'A'=(/)
   Fail: (226) [system] 'A'=(/)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] get_char((0x55772f068e50), _1827970)
   Exit: (225) [system] get_char((0x55772f068e50), 'A')
   Call: (225) [system] 'A'='('
   Fail: (225) [system] 'A'='('
   Call: (225) [system] 'A'='['
   Fail: (225) [system] 'A'='['
   Call: (225) [system] 'A'='{'
   Fail: (225) [system] 'A'='{'
   Call: (225) [system] 'A'='"'
   Fail: (225) [system] 'A'='"'
   Call: (225) [system] 'A'=!
   Fail: (225) [system] 'A'=!
   Call: (225) [system] 'A'='\''
   Fail: (225) [system] 'A'='\''
   Call: (225) [system] 'A'='`'
   Fail: (225) [system] 'A'='`'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x55772f068e50), 'A', _1810102)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1845612)
   Call: (227) [system] peek_char((0x55772f068e50), _1846546)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1845612=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (226) [user] classify_and_convert_charseq(['A'], _1810102)
^  Call: (227) [user] classify_and_convert_charseq_(['A'], _1855830)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1856782, _1856784), once(user:catch(read_from_chars(['A'], _1855830), _1856764, fail)), '$restore_trace'(_1856782, _1856784))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1856782, _1856784))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1855830), _1856764, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1855830)
   Fail: (228) [system] atomic(_1855830)
   Call: (228) [system] atom_chars(_1855830, ['A'])
   Exit: (228) [system] atom_chars('A', ['A'])
^  Exit: (227) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (227) [system] integer('A')
   Fail: (227) [system] integer('A')
   Call: (227) [system] _1810102='A'
   Exit: (227) [system] 'A'='A'
^  Exit: (226) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (225) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (224) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (224) [user] read_list(')', (0x55772f068e50), _1870780)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1872638)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x55772f068e50), _1882232)
   Exit: (226) [system] get_char((0x55772f068e50), ' ')
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1884936)
   Exit: (227) [system] peek_char((0x55772f068e50), 'B')
   Call: (227) [system] 'B'=(;)
   Fail: (227) [system] 'B'=(;)
   Call: (227) [system] 'B'=(/)
   Fail: (227) [system] 'B'=(/)
^  Call: (227) [user] is_like_space('B')
   Call: (228) [system] char_type('B', 'white')
   Fail: (228) [system] char_type('B', 'white')
   Call: (228) [system] char_type('B', end_of_line)
   Fail: (228) [system] char_type('B', end_of_line)
   Call: (228) [system] char_type('B', space)
   Fail: (228) [system] char_type('B', space)
   Call: (228) [system] char_type('B', cntrl)
   Fail: (228) [system] char_type('B', cntrl)
^  Fail: (227) [user] is_like_space('B')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1901870)
   Exit: (225) [system] peek_char((0x55772f068e50), 'B')
   Call: (225) [system] 'B'=')'
   Fail: (225) [system] 'B'=')'
   Call: (225) [system] 'B'=end_of_file
   Fail: (225) [system] 'B'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x55772f068e50), _1907440)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1909298)
   Exit: (227) [system] peek_char((0x55772f068e50), 'B')
   Call: (227) [system] 'B'=(;)
   Fail: (227) [system] 'B'=(;)
   Call: (227) [system] 'B'=(/)
   Fail: (227) [system] 'B'=(/)
^  Call: (227) [user] is_like_space('B')
   Call: (228) [system] char_type('B', 'white')
   Fail: (228) [system] char_type('B', 'white')
   Call: (228) [system] char_type('B', end_of_line)
   Fail: (228) [system] char_type('B', end_of_line)
   Call: (228) [system] char_type('B', space)
   Fail: (228) [system] char_type('B', space)
   Call: (228) [system] char_type('B', cntrl)
   Fail: (228) [system] char_type('B', cntrl)
^  Fail: (227) [user] is_like_space('B')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] get_char((0x55772f068e50), _1925308)
   Exit: (226) [system] get_char((0x55772f068e50), 'B')
   Call: (226) [system] 'B'='('
   Fail: (226) [system] 'B'='('
   Call: (226) [system] 'B'='['
   Fail: (226) [system] 'B'='['
   Call: (226) [system] 'B'='{'
   Fail: (226) [system] 'B'='{'
   Call: (226) [system] 'B'='"'
   Fail: (226) [system] 'B'='"'
   Call: (226) [system] 'B'=!
   Fail: (226) [system] 'B'=!
   Call: (226) [system] 'B'='\''
   Fail: (226) [system] 'B'='\''
   Call: (226) [system] 'B'='`'
   Fail: (226) [system] 'B'='`'
   Call: (226) [system] 'B'=end_of_file
   Fail: (226) [system] 'B'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x55772f068e50), 'B', _1907440)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1942950)
   Call: (228) [system] peek_char((0x55772f068e50), _1943884)
   Exit: (228) [system] peek_char((0x55772f068e50), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_1948604, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _1942950=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (227) [user] classify_and_convert_charseq(['B'], _1907440)
^  Call: (228) [user] classify_and_convert_charseq_(['B'], _1955040)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1955992, _1955994), once(user:catch(read_from_chars(['B'], _1955040), _1955974, fail)), '$restore_trace'(_1955992, _1955994))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1955992, _1955994))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1955040), _1955974, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1955040)
   Fail: (229) [system] atomic(_1955040)
   Call: (229) [system] atom_chars(_1955040, ['B'])
   Exit: (229) [system] atom_chars('B', ['B'])
^  Exit: (228) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (228) [system] integer('B')
   Fail: (228) [system] integer('B')
   Call: (228) [system] _1907440='B'
   Exit: (228) [system] 'B'='B'
^  Exit: (227) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (226) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (225) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (225) [user] read_list(')', (0x55772f068e50), _1969990)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1971848)
   Exit: (227) [system] peek_char((0x55772f068e50), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
   Call: (227) [system] ')'=(/)
   Fail: (227) [system] ')'=(/)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1987858)
   Exit: (226) [system] peek_char((0x55772f068e50), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x55772f068e50), _1991648)
   Exit: (226) [system] get_char((0x55772f068e50), ')')
   Call: (226) [system] _1969990=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x55772f068e50), [])
   Call: (225) [system] _1870780=['B']
   Exit: (225) [system] ['B']=['B']
^  Exit: (224) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (224) [system] _1773442=['A', 'B']
   Exit: (224) [system] ['A', 'B']=['A', 'B']
^  Exit: (223) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (223) [system] _1567366=['AndLink', 'A', 'B']
   Exit: (223) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (222) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (221) [user] read_list(')', (0x55772f068e50), _2005530)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _2007388)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x55772f068e50), _2016982)
   Exit: (223) [system] get_char((0x55772f068e50), ' ')
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _2019686)
   Exit: (224) [system] peek_char((0x55772f068e50), 'C')
   Call: (224) [system] 'C'=(;)
   Fail: (224) [system] 'C'=(;)
   Call: (224) [system] 'C'=(/)
   Fail: (224) [system] 'C'=(/)
^  Call: (224) [user] is_like_space('C')
   Call: (225) [system] char_type('C', 'white')
   Fail: (225) [system] char_type('C', 'white')
   Call: (225) [system] char_type('C', end_of_line)
   Fail: (225) [system] char_type('C', end_of_line)
   Call: (225) [system] char_type('C', space)
   Fail: (225) [system] char_type('C', space)
   Call: (225) [system] char_type('C', cntrl)
   Fail: (225) [system] char_type('C', cntrl)
^  Fail: (224) [user] is_like_space('C')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _2036620)
   Exit: (222) [system] peek_char((0x55772f068e50), 'C')
   Call: (222) [system] 'C'=')'
   Fail: (222) [system] 'C'=')'
   Call: (222) [system] 'C'=end_of_file
   Fail: (222) [system] 'C'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _2042190)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _2044048)
   Exit: (224) [system] peek_char((0x55772f068e50), 'C')
   Call: (224) [system] 'C'=(;)
   Fail: (224) [system] 'C'=(;)
   Call: (224) [system] 'C'=(/)
   Fail: (224) [system] 'C'=(/)
^  Call: (224) [user] is_like_space('C')
   Call: (225) [system] char_type('C', 'white')
   Fail: (225) [system] char_type('C', 'white')
   Call: (225) [system] char_type('C', end_of_line)
   Fail: (225) [system] char_type('C', end_of_line)
   Call: (225) [system] char_type('C', space)
   Fail: (225) [system] char_type('C', space)
   Call: (225) [system] char_type('C', cntrl)
   Fail: (225) [system] char_type('C', cntrl)
^  Fail: (224) [user] is_like_space('C')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _2060058)
   Exit: (223) [system] get_char((0x55772f068e50), 'C')
   Call: (223) [system] 'C'='('
   Fail: (223) [system] 'C'='('
   Call: (223) [system] 'C'='['
   Fail: (223) [system] 'C'='['
   Call: (223) [system] 'C'='{'
   Fail: (223) [system] 'C'='{'
   Call: (223) [system] 'C'='"'
   Fail: (223) [system] 'C'='"'
   Call: (223) [system] 'C'=!
   Fail: (223) [system] 'C'=!
   Call: (223) [system] 'C'='\''
   Fail: (223) [system] 'C'='\''
   Call: (223) [system] 'C'='`'
   Fail: (223) [system] 'C'='`'
   Call: (223) [system] 'C'=end_of_file
   Fail: (223) [system] 'C'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x55772f068e50), 'C', _2042190)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _2077700)
   Call: (225) [system] peek_char((0x55772f068e50), _2078634)
   Exit: (225) [system] peek_char((0x55772f068e50), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_2083354, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _2077700=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (224) [user] classify_and_convert_charseq(['C'], _2042190)
^  Call: (225) [user] classify_and_convert_charseq_(['C'], _2089790)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_2090742, _2090744), once(user:catch(read_from_chars(['C'], _2089790), _2090724, fail)), '$restore_trace'(_2090742, _2090744))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_2090742, _2090744))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _2089790), _2090724, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_2089790)
   Fail: (226) [system] atomic(_2089790)
   Call: (226) [system] atom_chars(_2089790, ['C'])
   Exit: (226) [system] atom_chars('C', ['C'])
^  Exit: (225) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (225) [system] integer('C')
   Fail: (225) [system] integer('C')
   Call: (225) [system] _5558='C'
   Exit: (225) [system] 'C'='C'
^  Exit: (224) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (223) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (222) [user] read_list(')', (0x55772f068e50), _13576)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _15434)
   Exit: (224) [system] peek_char((0x55772f068e50), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
   Call: (224) [system] ')'=(/)
   Fail: (224) [system] ')'=(/)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _31444)
   Exit: (223) [system] peek_char((0x55772f068e50), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x55772f068e50), _35234)
   Exit: (223) [system] get_char((0x55772f068e50), ')')
   Call: (223) [system] _13576=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x55772f068e50), [])
   Call: (222) [system] _5554=['C']
   Exit: (222) [system] ['C']=['C']
^  Exit: (221) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (221) [system] _5530=[['AndLink', 'A', 'B'], 'C']
   Exit: (221) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (220) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (220) [system] _5522=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (220) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (219) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (218) [user] read_list(')', (0x55772f068e50), _49116)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _50974)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x55772f068e50), _60568)
   Exit: (220) [system] get_char((0x55772f068e50), ' ')
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _63272)
   Exit: (221) [system] peek_char((0x55772f068e50), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _80206)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _85776)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _87634)
   Exit: (221) [system] peek_char((0x55772f068e50), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _103644)
   Exit: (220) [system] get_char((0x55772f068e50), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x55772f068e50), _85776)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _109214)
   Exit: (222) [system] peek_char((0x55772f068e50), 'O')
   Call: (222) [system] 'O'=(;)
   Fail: (222) [system] 'O'=(;)
   Call: (222) [system] 'O'=(/)
   Fail: (222) [system] 'O'=(/)
^  Call: (222) [user] is_like_space('O')
   Call: (223) [system] char_type('O', 'white')
   Fail: (223) [system] char_type('O', 'white')
   Call: (223) [system] char_type('O', end_of_line)
   Fail: (223) [system] char_type('O', end_of_line)
   Call: (223) [system] char_type('O', space)
   Fail: (223) [system] char_type('O', space)
   Call: (223) [system] char_type('O', cntrl)
   Fail: (223) [system] char_type('O', cntrl)
^  Fail: (222) [user] is_like_space('O')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _125224)
   Exit: (221) [system] peek_char((0x55772f068e50), 'O')
   Call: (221) [system] 'O'=')'
   Fail: (221) [system] 'O'=')'
   Call: (221) [system] 'O'=end_of_file
   Fail: (221) [system] 'O'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _130794)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _132652)
   Exit: (223) [system] peek_char((0x55772f068e50), 'O')
   Call: (223) [system] 'O'=(;)
   Fail: (223) [system] 'O'=(;)
   Call: (223) [system] 'O'=(/)
   Fail: (223) [system] 'O'=(/)
^  Call: (223) [user] is_like_space('O')
   Call: (224) [system] char_type('O', 'white')
   Fail: (224) [system] char_type('O', 'white')
   Call: (224) [system] char_type('O', end_of_line)
   Fail: (224) [system] char_type('O', end_of_line)
   Call: (224) [system] char_type('O', space)
   Fail: (224) [system] char_type('O', space)
   Call: (224) [system] char_type('O', cntrl)
   Fail: (224) [system] char_type('O', cntrl)
^  Fail: (223) [user] is_like_space('O')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _148662)
   Exit: (222) [system] get_char((0x55772f068e50), 'O')
   Call: (222) [system] 'O'='('
   Fail: (222) [system] 'O'='('
   Call: (222) [system] 'O'='['
   Fail: (222) [system] 'O'='['
   Call: (222) [system] 'O'='{'
   Fail: (222) [system] 'O'='{'
   Call: (222) [system] 'O'='"'
   Fail: (222) [system] 'O'='"'
   Call: (222) [system] 'O'=!
   Fail: (222) [system] 'O'=!
   Call: (222) [system] 'O'='\''
   Fail: (222) [system] 'O'='\''
   Call: (222) [system] 'O'='`'
   Fail: (222) [system] 'O'='`'
   Call: (222) [system] 'O'=end_of_file
   Fail: (222) [system] 'O'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x55772f068e50), 'O', _130794)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _166304)
   Call: (224) [system] peek_char((0x55772f068e50), _167238)
   Exit: (224) [system] peek_char((0x55772f068e50), r)
^  Call: (224) [user] is_delimiter(r)
   Call: (225) [system] char_type(r, space)
   Fail: (225) [system] char_type(r, space)
   Call: (225) [system] arg(_171958, v('(', ')', end_of_file), r)
   Fail: (225) [system] arg(_172890, v('(', ')', end_of_file), r)
^  Fail: (224) [user] is_delimiter(r)
   Call: (224) [system] ')'==r
   Fail: (224) [system] ')'==r
   Call: (224) [system] get_char((0x55772f068e50), r)
   Exit: (224) [system] get_char((0x55772f068e50), r)
   Call: (224) [system] r=(\)
   Fail: (224) [system] r=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _180240)
   Call: (225) [system] peek_char((0x55772f068e50), _181174)
   Exit: (225) [system] peek_char((0x55772f068e50), 'L')
^  Call: (225) [user] is_delimiter('L')
   Call: (226) [system] char_type('L', space)
   Fail: (226) [system] char_type('L', space)
   Call: (226) [system] arg(_185894, v('(', ')', end_of_file), 'L')
   Fail: (226) [system] arg(_186826, v('(', ')', end_of_file), 'L')
^  Fail: (225) [user] is_delimiter('L')
   Call: (225) [system] ')'=='L'
   Fail: (225) [system] ')'=='L'
   Call: (225) [system] get_char((0x55772f068e50), 'L')
   Exit: (225) [system] get_char((0x55772f068e50), 'L')
   Call: (225) [system] 'L'=(\)
   Fail: (225) [system] 'L'=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _194176)
   Call: (226) [system] peek_char((0x55772f068e50), _195110)
   Exit: (226) [system] peek_char((0x55772f068e50), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_199830, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_200762, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x55772f068e50), i)
   Exit: (226) [system] get_char((0x55772f068e50), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _208112)
   Call: (227) [system] peek_char((0x55772f068e50), _209046)
   Exit: (227) [system] peek_char((0x55772f068e50), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_213766, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_214698, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x55772f068e50), n)
   Exit: (227) [system] get_char((0x55772f068e50), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _222048)
   Call: (228) [system] peek_char((0x55772f068e50), _222982)
   Exit: (228) [system] peek_char((0x55772f068e50), k)
^  Call: (228) [user] is_delimiter(k)
   Call: (229) [system] char_type(k, space)
   Fail: (229) [system] char_type(k, space)
   Call: (229) [system] arg(_227702, v('(', ')', end_of_file), k)
   Fail: (229) [system] arg(_228634, v('(', ')', end_of_file), k)
^  Fail: (228) [user] is_delimiter(k)
   Call: (228) [system] ')'==k
   Fail: (228) [system] ')'==k
   Call: (228) [system] get_char((0x55772f068e50), k)
   Exit: (228) [system] get_char((0x55772f068e50), k)
   Call: (228) [system] k=(\)
   Fail: (228) [system] k=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _235984)
   Call: (229) [system] peek_char((0x55772f068e50), _236918)
   Exit: (229) [system] peek_char((0x55772f068e50), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _235984=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (228) [system] _222048=[k]
   Exit: (228) [system] [k]=[k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (227) [system] _208112=[n, k]
   Exit: (227) [system] [n, k]=[n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (226) [system] _194176=[i, n, k]
   Exit: (226) [system] [i, n, k]=[i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (225) [system] _180240=['L', i, n, k]
   Exit: (225) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (224) [system] _166304=[r, 'L', i, n, k]
   Exit: (224) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (223) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _130794)
^  Call: (224) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _260172)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_261124, _261126), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _260172), _261106, fail)), '$restore_trace'(_261124, _261126))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_261124, _261126))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _260172), _261106, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_260172)
   Fail: (225) [system] atomic(_260172)
   Call: (225) [system] atom_chars(_260172, ['O', r, 'L', i, n, k])
   Exit: (225) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (224) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (224) [system] integer('OrLink')
   Fail: (224) [system] integer('OrLink')
   Call: (224) [system] _130794='OrLink'
   Exit: (224) [system] 'OrLink'='OrLink'
^  Exit: (223) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (222) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (221) [user] read_list(')', (0x55772f068e50), _275122)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _276980)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x55772f068e50), _286574)
   Exit: (223) [system] get_char((0x55772f068e50), ' ')
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _289278)
   Exit: (224) [system] peek_char((0x55772f068e50), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _306212)
   Exit: (222) [system] peek_char((0x55772f068e50), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _311782)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _313640)
   Exit: (224) [system] peek_char((0x55772f068e50), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _329650)
   Exit: (223) [system] get_char((0x55772f068e50), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x55772f068e50), _311782)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _335220)
   Exit: (225) [system] peek_char((0x55772f068e50), 'I')
   Call: (225) [system] 'I'=(;)
   Fail: (225) [system] 'I'=(;)
   Call: (225) [system] 'I'=(/)
   Fail: (225) [system] 'I'=(/)
^  Call: (225) [user] is_like_space('I')
   Call: (226) [system] char_type('I', 'white')
   Fail: (226) [system] char_type('I', 'white')
   Call: (226) [system] char_type('I', end_of_line)
   Fail: (226) [system] char_type('I', end_of_line)
   Call: (226) [system] char_type('I', space)
   Fail: (226) [system] char_type('I', space)
   Call: (226) [system] char_type('I', cntrl)
   Fail: (226) [system] char_type('I', cntrl)
^  Fail: (225) [user] is_like_space('I')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _351230)
   Exit: (224) [system] peek_char((0x55772f068e50), 'I')
   Call: (224) [system] 'I'=')'
   Fail: (224) [system] 'I'=')'
   Call: (224) [system] 'I'=end_of_file
   Fail: (224) [system] 'I'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x55772f068e50), _356800)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _358658)
   Exit: (226) [system] peek_char((0x55772f068e50), 'I')
   Call: (226) [system] 'I'=(;)
   Fail: (226) [system] 'I'=(;)
   Call: (226) [system] 'I'=(/)
   Fail: (226) [system] 'I'=(/)
^  Call: (226) [user] is_like_space('I')
   Call: (227) [system] char_type('I', 'white')
   Fail: (227) [system] char_type('I', 'white')
   Call: (227) [system] char_type('I', end_of_line)
   Fail: (227) [system] char_type('I', end_of_line)
   Call: (227) [system] char_type('I', space)
   Fail: (227) [system] char_type('I', space)
   Call: (227) [system] char_type('I', cntrl)
   Fail: (227) [system] char_type('I', cntrl)
^  Fail: (226) [user] is_like_space('I')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] get_char((0x55772f068e50), _374668)
   Exit: (225) [system] get_char((0x55772f068e50), 'I')
   Call: (225) [system] 'I'='('
   Fail: (225) [system] 'I'='('
   Call: (225) [system] 'I'='['
   Fail: (225) [system] 'I'='['
   Call: (225) [system] 'I'='{'
   Fail: (225) [system] 'I'='{'
   Call: (225) [system] 'I'='"'
   Fail: (225) [system] 'I'='"'
   Call: (225) [system] 'I'=!
   Fail: (225) [system] 'I'=!
   Call: (225) [system] 'I'='\''
   Fail: (225) [system] 'I'='\''
   Call: (225) [system] 'I'='`'
   Fail: (225) [system] 'I'='`'
   Call: (225) [system] 'I'=end_of_file
   Fail: (225) [system] 'I'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x55772f068e50), 'I', _356800)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _392310)
   Call: (227) [system] peek_char((0x55772f068e50), _393244)
   Exit: (227) [system] peek_char((0x55772f068e50), m)
^  Call: (227) [user] is_delimiter(m)
   Call: (228) [system] char_type(m, space)
   Fail: (228) [system] char_type(m, space)
   Call: (228) [system] arg(_397964, v('(', ')', end_of_file), m)
   Fail: (228) [system] arg(_398896, v('(', ')', end_of_file), m)
^  Fail: (227) [user] is_delimiter(m)
   Call: (227) [system] ')'==m
   Fail: (227) [system] ')'==m
   Call: (227) [system] get_char((0x55772f068e50), m)
   Exit: (227) [system] get_char((0x55772f068e50), m)
   Call: (227) [system] m=(\)
   Fail: (227) [system] m=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _406246)
   Call: (228) [system] peek_char((0x55772f068e50), _407180)
   Exit: (228) [system] peek_char((0x55772f068e50), p)
^  Call: (228) [user] is_delimiter(p)
   Call: (229) [system] char_type(p, space)
   Fail: (229) [system] char_type(p, space)
   Call: (229) [system] arg(_411900, v('(', ')', end_of_file), p)
   Fail: (229) [system] arg(_412832, v('(', ')', end_of_file), p)
^  Fail: (228) [user] is_delimiter(p)
   Call: (228) [system] ')'==p
   Fail: (228) [system] ')'==p
   Call: (228) [system] get_char((0x55772f068e50), p)
   Exit: (228) [system] get_char((0x55772f068e50), p)
   Call: (228) [system] p=(\)
   Fail: (228) [system] p=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _420182)
   Call: (229) [system] peek_char((0x55772f068e50), _421116)
   Exit: (229) [system] peek_char((0x55772f068e50), l)
^  Call: (229) [user] is_delimiter(l)
   Call: (230) [system] char_type(l, space)
   Fail: (230) [system] char_type(l, space)
   Call: (230) [system] arg(_425836, v('(', ')', end_of_file), l)
   Fail: (230) [system] arg(_426768, v('(', ')', end_of_file), l)
^  Fail: (229) [user] is_delimiter(l)
   Call: (229) [system] ')'==l
   Fail: (229) [system] ')'==l
   Call: (229) [system] get_char((0x55772f068e50), l)
   Exit: (229) [system] get_char((0x55772f068e50), l)
   Call: (229) [system] l=(\)
   Fail: (229) [system] l=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _434118)
   Call: (230) [system] peek_char((0x55772f068e50), _435052)
   Exit: (230) [system] peek_char((0x55772f068e50), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_439772, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_440704, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x55772f068e50), i)
   Exit: (230) [system] get_char((0x55772f068e50), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _448054)
   Call: (231) [system] peek_char((0x55772f068e50), _448988)
   Exit: (231) [system] peek_char((0x55772f068e50), c)
^  Call: (231) [user] is_delimiter(c)
   Call: (232) [system] char_type(c, space)
   Fail: (232) [system] char_type(c, space)
   Call: (232) [system] arg(_453708, v('(', ')', end_of_file), c)
   Fail: (232) [system] arg(_454640, v('(', ')', end_of_file), c)
^  Fail: (231) [user] is_delimiter(c)
   Call: (231) [system] ')'==c
   Fail: (231) [system] ')'==c
   Call: (231) [system] get_char((0x55772f068e50), c)
   Exit: (231) [system] get_char((0x55772f068e50), c)
   Call: (231) [system] c=(\)
   Fail: (231) [system] c=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _461990)
   Call: (232) [system] peek_char((0x55772f068e50), _462924)
   Exit: (232) [system] peek_char((0x55772f068e50), a)
^  Call: (232) [user] is_delimiter(a)
   Call: (233) [system] char_type(a, space)
   Fail: (233) [system] char_type(a, space)
   Call: (233) [system] arg(_467644, v('(', ')', end_of_file), a)
   Fail: (233) [system] arg(_468576, v('(', ')', end_of_file), a)
^  Fail: (232) [user] is_delimiter(a)
   Call: (232) [system] ')'==a
   Fail: (232) [system] ')'==a
   Call: (232) [system] get_char((0x55772f068e50), a)
   Exit: (232) [system] get_char((0x55772f068e50), a)
   Call: (232) [system] a=(\)
   Fail: (232) [system] a=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _475926)
   Call: (233) [system] peek_char((0x55772f068e50), _476860)
   Exit: (233) [system] peek_char((0x55772f068e50), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Fail: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_481580, v('(', ')', end_of_file), t)
   Fail: (234) [system] arg(_482512, v('(', ')', end_of_file), t)
^  Fail: (233) [user] is_delimiter(t)
   Call: (233) [system] ')'==t
   Fail: (233) [system] ')'==t
   Call: (233) [system] get_char((0x55772f068e50), t)
   Exit: (233) [system] get_char((0x55772f068e50), t)
   Call: (233) [system] t=(\)
   Fail: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _489862)
   Call: (234) [system] peek_char((0x55772f068e50), _490796)
   Exit: (234) [system] peek_char((0x55772f068e50), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_495516, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_496448, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x55772f068e50), i)
   Exit: (234) [system] get_char((0x55772f068e50), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _503798)
   Call: (235) [system] peek_char((0x55772f068e50), _504732)
   Exit: (235) [system] peek_char((0x55772f068e50), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Fail: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_509452, v('(', ')', end_of_file), o)
   Fail: (236) [system] arg(_510384, v('(', ')', end_of_file), o)
^  Fail: (235) [user] is_delimiter(o)
   Call: (235) [system] ')'==o
   Fail: (235) [system] ')'==o
   Call: (235) [system] get_char((0x55772f068e50), o)
   Exit: (235) [system] get_char((0x55772f068e50), o)
   Call: (235) [system] o=(\)
   Fail: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _517734)
   Call: (236) [system] peek_char((0x55772f068e50), _518668)
   Exit: (236) [system] peek_char((0x55772f068e50), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_523388, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_524320, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x55772f068e50), n)
   Exit: (236) [system] get_char((0x55772f068e50), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _531670)
   Call: (237) [system] peek_char((0x55772f068e50), _532604)
   Exit: (237) [system] peek_char((0x55772f068e50), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _531670=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (236) [system] _517734=[n]
   Exit: (236) [system] [n]=[n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (235) [system] _503798=[o, n]
   Exit: (235) [system] [o, n]=[o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (234) [system] _489862=[i, o, n]
   Exit: (234) [system] [i, o, n]=[i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (233) [system] _475926=[t, i, o, n]
   Exit: (233) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (232) [system] _461990=[a, t, i, o, n]
   Exit: (232) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (231) [system] _448054=[c, a, t, i, o, n]
   Exit: (231) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (230) [system] _434118=[i, c, a, t, i, o, n]
   Exit: (230) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (229) [system] _420182=[l, i, c, a, t, i, o, n]
   Exit: (229) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (228) [system] _406246=[p, l, i, c, a, t, i, o, n]
   Exit: (228) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (227) [system] _392310=[m, p, l, i, c, a, t, i, o, n]
   Exit: (227) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (226) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _356800)
^  Call: (227) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _569828)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_570780, _570782), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _569828), _570762, fail)), '$restore_trace'(_570780, _570782))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_570780, _570782))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _569828), _570762, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_569828)
   Fail: (228) [system] atomic(_569828)
   Call: (228) [system] atom_chars(_569828, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (228) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (227) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (227) [system] integer('Implication')
   Fail: (227) [system] integer('Implication')
   Call: (227) [system] _356800='Implication'
   Exit: (227) [system] 'Implication'='Implication'
^  Exit: (226) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (225) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (224) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (224) [user] read_list(')', (0x55772f068e50), _584778)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _586636)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x55772f068e50), _596230)
   Exit: (226) [system] get_char((0x55772f068e50), ' ')
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _598934)
   Exit: (227) [system] peek_char((0x55772f068e50), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _615868)
   Exit: (225) [system] peek_char((0x55772f068e50), '(')
   Call: (225) [system] '('=')'
   Fail: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
   Fail: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x55772f068e50), _621438)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _623296)
   Exit: (227) [system] peek_char((0x55772f068e50), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] get_char((0x55772f068e50), _639306)
   Exit: (226) [system] get_char((0x55772f068e50), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x55772f068e50), _621438)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _644876)
   Exit: (228) [system] peek_char((0x55772f068e50), 'O')
   Call: (228) [system] 'O'=(;)
   Fail: (228) [system] 'O'=(;)
   Call: (228) [system] 'O'=(/)
   Fail: (228) [system] 'O'=(/)
^  Call: (228) [user] is_like_space('O')
   Call: (229) [system] char_type('O', 'white')
   Fail: (229) [system] char_type('O', 'white')
   Call: (229) [system] char_type('O', end_of_line)
   Fail: (229) [system] char_type('O', end_of_line)
   Call: (229) [system] char_type('O', space)
   Fail: (229) [system] char_type('O', space)
   Call: (229) [system] char_type('O', cntrl)
   Fail: (229) [system] char_type('O', cntrl)
^  Fail: (228) [user] is_like_space('O')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _660886)
   Exit: (227) [system] peek_char((0x55772f068e50), 'O')
   Call: (227) [system] 'O'=')'
   Fail: (227) [system] 'O'=')'
   Call: (227) [system] 'O'=end_of_file
   Fail: (227) [system] 'O'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x55772f068e50), _666456)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _668314)
   Exit: (229) [system] peek_char((0x55772f068e50), 'O')
   Call: (229) [system] 'O'=(;)
   Fail: (229) [system] 'O'=(;)
   Call: (229) [system] 'O'=(/)
   Fail: (229) [system] 'O'=(/)
^  Call: (229) [user] is_like_space('O')
   Call: (230) [system] char_type('O', 'white')
   Fail: (230) [system] char_type('O', 'white')
   Call: (230) [system] char_type('O', end_of_line)
   Fail: (230) [system] char_type('O', end_of_line)
   Call: (230) [system] char_type('O', space)
   Fail: (230) [system] char_type('O', space)
   Call: (230) [system] char_type('O', cntrl)
   Fail: (230) [system] char_type('O', cntrl)
^  Fail: (229) [user] is_like_space('O')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] get_char((0x55772f068e50), _684324)
   Exit: (228) [system] get_char((0x55772f068e50), 'O')
   Call: (228) [system] 'O'='('
   Fail: (228) [system] 'O'='('
   Call: (228) [system] 'O'='['
   Fail: (228) [system] 'O'='['
   Call: (228) [system] 'O'='{'
   Fail: (228) [system] 'O'='{'
   Call: (228) [system] 'O'='"'
   Fail: (228) [system] 'O'='"'
   Call: (228) [system] 'O'=!
   Fail: (228) [system] 'O'=!
   Call: (228) [system] 'O'='\''
   Fail: (228) [system] 'O'='\''
   Call: (228) [system] 'O'='`'
   Fail: (228) [system] 'O'='`'
   Call: (228) [system] 'O'=end_of_file
   Fail: (228) [system] 'O'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x55772f068e50), 'O', _666456)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _701966)
   Call: (230) [system] peek_char((0x55772f068e50), _702900)
   Exit: (230) [system] peek_char((0x55772f068e50), r)
^  Call: (230) [user] is_delimiter(r)
   Call: (231) [system] char_type(r, space)
   Fail: (231) [system] char_type(r, space)
   Call: (231) [system] arg(_707620, v('(', ')', end_of_file), r)
   Fail: (231) [system] arg(_708552, v('(', ')', end_of_file), r)
^  Fail: (230) [user] is_delimiter(r)
   Call: (230) [system] ')'==r
   Fail: (230) [system] ')'==r
   Call: (230) [system] get_char((0x55772f068e50), r)
   Exit: (230) [system] get_char((0x55772f068e50), r)
   Call: (230) [system] r=(\)
   Fail: (230) [system] r=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _715902)
   Call: (231) [system] peek_char((0x55772f068e50), _716836)
   Exit: (231) [system] peek_char((0x55772f068e50), 'L')
^  Call: (231) [user] is_delimiter('L')
   Call: (232) [system] char_type('L', space)
   Fail: (232) [system] char_type('L', space)
   Call: (232) [system] arg(_721556, v('(', ')', end_of_file), 'L')
   Fail: (232) [system] arg(_722488, v('(', ')', end_of_file), 'L')
^  Fail: (231) [user] is_delimiter('L')
   Call: (231) [system] ')'=='L'
   Fail: (231) [system] ')'=='L'
   Call: (231) [system] get_char((0x55772f068e50), 'L')
   Exit: (231) [system] get_char((0x55772f068e50), 'L')
   Call: (231) [system] 'L'=(\)
   Fail: (231) [system] 'L'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _729838)
   Call: (232) [system] peek_char((0x55772f068e50), _730772)
   Exit: (232) [system] peek_char((0x55772f068e50), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_735492, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_736424, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x55772f068e50), i)
   Exit: (232) [system] get_char((0x55772f068e50), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _743774)
   Call: (233) [system] peek_char((0x55772f068e50), _744708)
   Exit: (233) [system] peek_char((0x55772f068e50), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_749428, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_750360, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x55772f068e50), n)
   Exit: (233) [system] get_char((0x55772f068e50), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _757710)
   Call: (234) [system] peek_char((0x55772f068e50), _758644)
   Exit: (234) [system] peek_char((0x55772f068e50), k)
^  Call: (234) [user] is_delimiter(k)
   Call: (235) [system] char_type(k, space)
   Fail: (235) [system] char_type(k, space)
   Call: (235) [system] arg(_763364, v('(', ')', end_of_file), k)
   Fail: (235) [system] arg(_764296, v('(', ')', end_of_file), k)
^  Fail: (234) [user] is_delimiter(k)
   Call: (234) [system] ')'==k
   Fail: (234) [system] ')'==k
   Call: (234) [system] get_char((0x55772f068e50), k)
   Exit: (234) [system] get_char((0x55772f068e50), k)
   Call: (234) [system] k=(\)
   Fail: (234) [system] k=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _771646)
   Call: (235) [system] peek_char((0x55772f068e50), _772580)
   Exit: (235) [system] peek_char((0x55772f068e50), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _771646=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (234) [system] _757710=[k]
   Exit: (234) [system] [k]=[k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (233) [system] _743774=[n, k]
   Exit: (233) [system] [n, k]=[n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (232) [system] _729838=[i, n, k]
   Exit: (232) [system] [i, n, k]=[i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (231) [system] _715902=['L', i, n, k]
   Exit: (231) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (230) [system] _701966=[r, 'L', i, n, k]
   Exit: (230) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (229) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _666456)
^  Call: (230) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _795834)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_796786, _796788), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _795834), _796768, fail)), '$restore_trace'(_796786, _796788))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_796786, _796788))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _795834), _796768, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_795834)
   Fail: (231) [system] atomic(_795834)
   Call: (231) [system] atom_chars(_795834, ['O', r, 'L', i, n, k])
   Exit: (231) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (230) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (230) [system] integer('OrLink')
   Fail: (230) [system] integer('OrLink')
   Call: (230) [system] _666456='OrLink'
   Exit: (230) [system] 'OrLink'='OrLink'
^  Exit: (229) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (228) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (227) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (227) [user] read_list(')', (0x55772f068e50), _810784)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _812642)
   Exit: (229) [system] peek_char((0x55772f068e50), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x55772f068e50), _822236)
   Exit: (229) [system] get_char((0x55772f068e50), ' ')
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _824940)
   Exit: (230) [system] peek_char((0x55772f068e50), 'C')
   Call: (230) [system] 'C'=(;)
   Fail: (230) [system] 'C'=(;)
   Call: (230) [system] 'C'=(/)
   Fail: (230) [system] 'C'=(/)
^  Call: (230) [user] is_like_space('C')
   Call: (231) [system] char_type('C', 'white')
   Fail: (231) [system] char_type('C', 'white')
   Call: (231) [system] char_type('C', end_of_line)
   Fail: (231) [system] char_type('C', end_of_line)
   Call: (231) [system] char_type('C', space)
   Fail: (231) [system] char_type('C', space)
   Call: (231) [system] char_type('C', cntrl)
   Fail: (231) [system] char_type('C', cntrl)
^  Fail: (230) [user] is_like_space('C')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _841874)
   Exit: (228) [system] peek_char((0x55772f068e50), 'C')
   Call: (228) [system] 'C'=')'
   Fail: (228) [system] 'C'=')'
   Call: (228) [system] 'C'=end_of_file
   Fail: (228) [system] 'C'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x55772f068e50), _847444)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _849302)
   Exit: (230) [system] peek_char((0x55772f068e50), 'C')
   Call: (230) [system] 'C'=(;)
   Fail: (230) [system] 'C'=(;)
   Call: (230) [system] 'C'=(/)
   Fail: (230) [system] 'C'=(/)
^  Call: (230) [user] is_like_space('C')
   Call: (231) [system] char_type('C', 'white')
   Fail: (231) [system] char_type('C', 'white')
   Call: (231) [system] char_type('C', end_of_line)
   Fail: (231) [system] char_type('C', end_of_line)
   Call: (231) [system] char_type('C', space)
   Fail: (231) [system] char_type('C', space)
   Call: (231) [system] char_type('C', cntrl)
   Fail: (231) [system] char_type('C', cntrl)
^  Fail: (230) [user] is_like_space('C')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] get_char((0x55772f068e50), _865312)
   Exit: (229) [system] get_char((0x55772f068e50), 'C')
   Call: (229) [system] 'C'='('
   Fail: (229) [system] 'C'='('
   Call: (229) [system] 'C'='['
   Fail: (229) [system] 'C'='['
   Call: (229) [system] 'C'='{'
   Fail: (229) [system] 'C'='{'
   Call: (229) [system] 'C'='"'
   Fail: (229) [system] 'C'='"'
   Call: (229) [system] 'C'=!
   Fail: (229) [system] 'C'=!
   Call: (229) [system] 'C'='\''
   Fail: (229) [system] 'C'='\''
   Call: (229) [system] 'C'='`'
   Fail: (229) [system] 'C'='`'
   Call: (229) [system] 'C'=end_of_file
   Fail: (229) [system] 'C'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x55772f068e50), 'C', _847444)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _882954)
   Call: (231) [system] peek_char((0x55772f068e50), _883888)
   Exit: (231) [system] peek_char((0x55772f068e50), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _882954=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (230) [user] classify_and_convert_charseq(['C'], _847444)
^  Call: (231) [user] classify_and_convert_charseq_(['C'], _893172)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_894124, _894126), once(user:catch(read_from_chars(['C'], _893172), _894106, fail)), '$restore_trace'(_894124, _894126))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_894124, _894126))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _893172), _894106, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_893172)
   Fail: (232) [system] atomic(_893172)
   Call: (232) [system] atom_chars(_893172, ['C'])
   Exit: (232) [system] atom_chars('C', ['C'])
^  Exit: (231) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (231) [system] integer('C')
   Fail: (231) [system] integer('C')
   Call: (231) [system] _847444='C'
   Exit: (231) [system] 'C'='C'
^  Exit: (230) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (229) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (228) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (228) [user] read_list(')', (0x55772f068e50), _908122)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _909980)
   Exit: (230) [system] peek_char((0x55772f068e50), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
   Call: (230) [system] ' '=(/)
   Fail: (230) [system] ' '=(/)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x55772f068e50), _919574)
   Exit: (230) [system] get_char((0x55772f068e50), ' ')
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _922278)
   Exit: (231) [system] peek_char((0x55772f068e50), 'D')
   Call: (231) [system] 'D'=(;)
   Fail: (231) [system] 'D'=(;)
   Call: (231) [system] 'D'=(/)
   Fail: (231) [system] 'D'=(/)
^  Call: (231) [user] is_like_space('D')
   Call: (232) [system] char_type('D', 'white')
   Fail: (232) [system] char_type('D', 'white')
   Call: (232) [system] char_type('D', end_of_line)
   Fail: (232) [system] char_type('D', end_of_line)
   Call: (232) [system] char_type('D', space)
   Fail: (232) [system] char_type('D', space)
   Call: (232) [system] char_type('D', cntrl)
   Fail: (232) [system] char_type('D', cntrl)
^  Fail: (231) [user] is_like_space('D')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _939212)
   Exit: (229) [system] peek_char((0x55772f068e50), 'D')
   Call: (229) [system] 'D'=')'
   Fail: (229) [system] 'D'=')'
   Call: (229) [system] 'D'=end_of_file
   Fail: (229) [system] 'D'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x55772f068e50), _944782)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _946640)
   Exit: (231) [system] peek_char((0x55772f068e50), 'D')
   Call: (231) [system] 'D'=(;)
   Fail: (231) [system] 'D'=(;)
   Call: (231) [system] 'D'=(/)
   Fail: (231) [system] 'D'=(/)
^  Call: (231) [user] is_like_space('D')
   Call: (232) [system] char_type('D', 'white')
   Fail: (232) [system] char_type('D', 'white')
   Call: (232) [system] char_type('D', end_of_line)
   Fail: (232) [system] char_type('D', end_of_line)
   Call: (232) [system] char_type('D', space)
   Fail: (232) [system] char_type('D', space)
   Call: (232) [system] char_type('D', cntrl)
   Fail: (232) [system] char_type('D', cntrl)
^  Fail: (231) [user] is_like_space('D')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] get_char((0x55772f068e50), _962650)
   Exit: (230) [system] get_char((0x55772f068e50), 'D')
   Call: (230) [system] 'D'='('
   Fail: (230) [system] 'D'='('
   Call: (230) [system] 'D'='['
   Fail: (230) [system] 'D'='['
   Call: (230) [system] 'D'='{'
   Fail: (230) [system] 'D'='{'
   Call: (230) [system] 'D'='"'
   Fail: (230) [system] 'D'='"'
   Call: (230) [system] 'D'=!
   Fail: (230) [system] 'D'=!
   Call: (230) [system] 'D'='\''
   Fail: (230) [system] 'D'='\''
   Call: (230) [system] 'D'='`'
   Fail: (230) [system] 'D'='`'
   Call: (230) [system] 'D'=end_of_file
   Fail: (230) [system] 'D'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x55772f068e50), 'D', _944782)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _980292)
   Call: (232) [system] peek_char((0x55772f068e50), _981226)
   Exit: (232) [system] peek_char((0x55772f068e50), ')')
^  Call: (232) [user] is_delimiter(')')
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] arg(_985946, v('(', ')', end_of_file), ')')
   Exit: (233) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (232) [user] is_delimiter(')')
   Call: (232) [system] _980292=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (231) [user] classify_and_convert_charseq(['D'], _944782)
^  Call: (232) [user] classify_and_convert_charseq_(['D'], _992382)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_993334, _993336), once(user:catch(read_from_chars(['D'], _992382), _993316, fail)), '$restore_trace'(_993334, _993336))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_993334, _993336))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _992382), _993316, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_992382)
   Fail: (233) [system] atomic(_992382)
   Call: (233) [system] atom_chars(_992382, ['D'])
   Exit: (233) [system] atom_chars('D', ['D'])
^  Exit: (232) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (232) [system] integer('D')
   Fail: (232) [system] integer('D')
   Call: (232) [system] _944782='D'
   Exit: (232) [system] 'D'='D'
^  Exit: (231) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (230) [user] read_symbolic(')', (0x55772f068e50), 'D', 'D')
^  Exit: (229) [user] cont_sexpr(')', (0x55772f068e50), 'D')
^  Call: (229) [user] read_list(')', (0x55772f068e50), _1007332)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1009190)
   Exit: (231) [system] peek_char((0x55772f068e50), ')')
   Call: (231) [system] ')'=(;)
   Fail: (231) [system] ')'=(;)
   Call: (231) [system] ')'=(/)
   Fail: (231) [system] ')'=(/)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Fail: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Fail: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
   Fail: (232) [system] char_type(')', cntrl)
^  Fail: (231) [user] is_like_space(')')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1025200)
   Exit: (230) [system] peek_char((0x55772f068e50), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x55772f068e50), _1028990)
   Exit: (230) [system] get_char((0x55772f068e50), ')')
   Call: (230) [system] _1007332=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x55772f068e50), [])
   Call: (229) [system] _908122=['D']
   Exit: (229) [system] ['D']=['D']
^  Exit: (228) [user] read_list(')', (0x55772f068e50), ['D'])
   Call: (228) [system] _810784=['C', 'D']
   Exit: (228) [system] ['C', 'D']=['C', 'D']
^  Exit: (227) [user] read_list(')', (0x55772f068e50), ['C', 'D'])
   Call: (227) [system] _621438=['OrLink', 'C', 'D']
   Exit: (227) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (226) [user] read_list(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Exit: (225) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Call: (225) [user] read_list(')', (0x55772f068e50), _1042872)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1044730)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x55772f068e50), _1054324)
   Exit: (227) [system] get_char((0x55772f068e50), ' ')
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1057028)
   Exit: (228) [system] peek_char((0x55772f068e50), 'E')
   Call: (228) [system] 'E'=(;)
   Fail: (228) [system] 'E'=(;)
   Call: (228) [system] 'E'=(/)
   Fail: (228) [system] 'E'=(/)
^  Call: (228) [user] is_like_space('E')
   Call: (229) [system] char_type('E', 'white')
   Fail: (229) [system] char_type('E', 'white')
   Call: (229) [system] char_type('E', end_of_line)
   Fail: (229) [system] char_type('E', end_of_line)
   Call: (229) [system] char_type('E', space)
   Fail: (229) [system] char_type('E', space)
   Call: (229) [system] char_type('E', cntrl)
   Fail: (229) [system] char_type('E', cntrl)
^  Fail: (228) [user] is_like_space('E')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1073962)
   Exit: (226) [system] peek_char((0x55772f068e50), 'E')
   Call: (226) [system] 'E'=')'
   Fail: (226) [system] 'E'=')'
   Call: (226) [system] 'E'=end_of_file
   Fail: (226) [system] 'E'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x55772f068e50), _1079532)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1081390)
   Exit: (228) [system] peek_char((0x55772f068e50), 'E')
   Call: (228) [system] 'E'=(;)
   Fail: (228) [system] 'E'=(;)
   Call: (228) [system] 'E'=(/)
   Fail: (228) [system] 'E'=(/)
^  Call: (228) [user] is_like_space('E')
   Call: (229) [system] char_type('E', 'white')
   Fail: (229) [system] char_type('E', 'white')
   Call: (229) [system] char_type('E', end_of_line)
   Fail: (229) [system] char_type('E', end_of_line)
   Call: (229) [system] char_type('E', space)
   Fail: (229) [system] char_type('E', space)
   Call: (229) [system] char_type('E', cntrl)
   Fail: (229) [system] char_type('E', cntrl)
^  Fail: (228) [user] is_like_space('E')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] get_char((0x55772f068e50), _1097400)
   Exit: (227) [system] get_char((0x55772f068e50), 'E')
   Call: (227) [system] 'E'='('
   Fail: (227) [system] 'E'='('
   Call: (227) [system] 'E'='['
   Fail: (227) [system] 'E'='['
   Call: (227) [system] 'E'='{'
   Fail: (227) [system] 'E'='{'
   Call: (227) [system] 'E'='"'
   Fail: (227) [system] 'E'='"'
   Call: (227) [system] 'E'=!
   Fail: (227) [system] 'E'=!
   Call: (227) [system] 'E'='\''
   Fail: (227) [system] 'E'='\''
   Call: (227) [system] 'E'='`'
   Fail: (227) [system] 'E'='`'
   Call: (227) [system] 'E'=end_of_file
   Fail: (227) [system] 'E'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x55772f068e50), 'E', _1079532)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1115042)
   Call: (229) [system] peek_char((0x55772f068e50), _1115976)
   Exit: (229) [system] peek_char((0x55772f068e50), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_1120696, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _1115042=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (228) [user] classify_and_convert_charseq(['E'], _1079532)
^  Call: (229) [user] classify_and_convert_charseq_(['E'], _1127132)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1128084, _1128086), once(user:catch(read_from_chars(['E'], _1127132), _1128066, fail)), '$restore_trace'(_1128084, _1128086))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1128084, _1128086))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1127132), _1128066, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1127132)
   Fail: (230) [system] atomic(_1127132)
   Call: (230) [system] atom_chars(_1127132, ['E'])
   Exit: (230) [system] atom_chars('E', ['E'])
^  Exit: (229) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (229) [system] integer('E')
   Fail: (229) [system] integer('E')
   Call: (229) [system] _1079532='E'
   Exit: (229) [system] 'E'='E'
^  Exit: (228) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (227) [user] read_symbolic(')', (0x55772f068e50), 'E', 'E')
^  Exit: (226) [user] cont_sexpr(')', (0x55772f068e50), 'E')
^  Call: (226) [user] read_list(')', (0x55772f068e50), _1142082)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1143940)
   Exit: (228) [system] peek_char((0x55772f068e50), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
   Call: (228) [system] ')'=(/)
   Fail: (228) [system] ')'=(/)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1159950)
   Exit: (227) [system] peek_char((0x55772f068e50), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x55772f068e50), _1163740)
   Exit: (227) [system] get_char((0x55772f068e50), ')')
   Call: (227) [system] _1142082=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x55772f068e50), [])
   Call: (226) [system] _1042872=['E']
   Exit: (226) [system] ['E']=['E']
^  Exit: (225) [user] read_list(')', (0x55772f068e50), ['E'])
   Call: (225) [system] _584778=[['OrLink', 'C', 'D'], 'E']
   Exit: (225) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (224) [user] read_list(')', (0x55772f068e50), [['OrLink', 'C', 'D'], 'E'])
   Call: (224) [system] _311782=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (224) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (223) [user] read_list(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (222) [user] read_list(')', (0x55772f068e50), _1177622)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1179480)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x55772f068e50), _1189074)
   Exit: (224) [system] get_char((0x55772f068e50), ' ')
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1191778)
   Exit: (225) [system] peek_char((0x55772f068e50), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1208712)
   Exit: (223) [system] peek_char((0x55772f068e50), '(')
   Call: (223) [system] '('=')'
   Fail: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
   Fail: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x55772f068e50), _1214282)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1216140)
   Exit: (225) [system] peek_char((0x55772f068e50), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] get_char((0x55772f068e50), _1232150)
   Exit: (224) [system] get_char((0x55772f068e50), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x55772f068e50), _1214282)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1237720)
   Exit: (226) [system] peek_char((0x55772f068e50), 'I')
   Call: (226) [system] 'I'=(;)
   Fail: (226) [system] 'I'=(;)
   Call: (226) [system] 'I'=(/)
   Fail: (226) [system] 'I'=(/)
^  Call: (226) [user] is_like_space('I')
   Call: (227) [system] char_type('I', 'white')
   Fail: (227) [system] char_type('I', 'white')
   Call: (227) [system] char_type('I', end_of_line)
   Fail: (227) [system] char_type('I', end_of_line)
   Call: (227) [system] char_type('I', space)
   Fail: (227) [system] char_type('I', space)
   Call: (227) [system] char_type('I', cntrl)
   Fail: (227) [system] char_type('I', cntrl)
^  Fail: (226) [user] is_like_space('I')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1253730)
   Exit: (225) [system] peek_char((0x55772f068e50), 'I')
   Call: (225) [system] 'I'=')'
   Fail: (225) [system] 'I'=')'
   Call: (225) [system] 'I'=end_of_file
   Fail: (225) [system] 'I'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x55772f068e50), _1259300)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1261158)
   Exit: (227) [system] peek_char((0x55772f068e50), 'I')
   Call: (227) [system] 'I'=(;)
   Fail: (227) [system] 'I'=(;)
   Call: (227) [system] 'I'=(/)
   Fail: (227) [system] 'I'=(/)
^  Call: (227) [user] is_like_space('I')
   Call: (228) [system] char_type('I', 'white')
   Fail: (228) [system] char_type('I', 'white')
   Call: (228) [system] char_type('I', end_of_line)
   Fail: (228) [system] char_type('I', end_of_line)
   Call: (228) [system] char_type('I', space)
   Fail: (228) [system] char_type('I', space)
   Call: (228) [system] char_type('I', cntrl)
   Fail: (228) [system] char_type('I', cntrl)
^  Fail: (227) [user] is_like_space('I')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] get_char((0x55772f068e50), _1277168)
   Exit: (226) [system] get_char((0x55772f068e50), 'I')
   Call: (226) [system] 'I'='('
   Fail: (226) [system] 'I'='('
   Call: (226) [system] 'I'='['
   Fail: (226) [system] 'I'='['
   Call: (226) [system] 'I'='{'
   Fail: (226) [system] 'I'='{'
   Call: (226) [system] 'I'='"'
   Fail: (226) [system] 'I'='"'
   Call: (226) [system] 'I'=!
   Fail: (226) [system] 'I'=!
   Call: (226) [system] 'I'='\''
   Fail: (226) [system] 'I'='\''
   Call: (226) [system] 'I'='`'
   Fail: (226) [system] 'I'='`'
   Call: (226) [system] 'I'=end_of_file
   Fail: (226) [system] 'I'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x55772f068e50), 'I', _1259300)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1294810)
   Call: (228) [system] peek_char((0x55772f068e50), _1295744)
   Exit: (228) [system] peek_char((0x55772f068e50), m)
^  Call: (228) [user] is_delimiter(m)
   Call: (229) [system] char_type(m, space)
   Fail: (229) [system] char_type(m, space)
   Call: (229) [system] arg(_1300464, v('(', ')', end_of_file), m)
   Fail: (229) [system] arg(_1301396, v('(', ')', end_of_file), m)
^  Fail: (228) [user] is_delimiter(m)
   Call: (228) [system] ')'==m
   Fail: (228) [system] ')'==m
   Call: (228) [system] get_char((0x55772f068e50), m)
   Exit: (228) [system] get_char((0x55772f068e50), m)
   Call: (228) [system] m=(\)
   Fail: (228) [system] m=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1308746)
   Call: (229) [system] peek_char((0x55772f068e50), _1309680)
   Exit: (229) [system] peek_char((0x55772f068e50), p)
^  Call: (229) [user] is_delimiter(p)
   Call: (230) [system] char_type(p, space)
   Fail: (230) [system] char_type(p, space)
   Call: (230) [system] arg(_1314400, v('(', ')', end_of_file), p)
   Fail: (230) [system] arg(_1315332, v('(', ')', end_of_file), p)
^  Fail: (229) [user] is_delimiter(p)
   Call: (229) [system] ')'==p
   Fail: (229) [system] ')'==p
   Call: (229) [system] get_char((0x55772f068e50), p)
   Exit: (229) [system] get_char((0x55772f068e50), p)
   Call: (229) [system] p=(\)
   Fail: (229) [system] p=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1322682)
   Call: (230) [system] peek_char((0x55772f068e50), _1323616)
   Exit: (230) [system] peek_char((0x55772f068e50), l)
^  Call: (230) [user] is_delimiter(l)
   Call: (231) [system] char_type(l, space)
   Fail: (231) [system] char_type(l, space)
   Call: (231) [system] arg(_1328336, v('(', ')', end_of_file), l)
   Fail: (231) [system] arg(_1329268, v('(', ')', end_of_file), l)
^  Fail: (230) [user] is_delimiter(l)
   Call: (230) [system] ')'==l
   Fail: (230) [system] ')'==l
   Call: (230) [system] get_char((0x55772f068e50), l)
   Exit: (230) [system] get_char((0x55772f068e50), l)
   Call: (230) [system] l=(\)
   Fail: (230) [system] l=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1336618)
   Call: (231) [system] peek_char((0x55772f068e50), _1337552)
   Exit: (231) [system] peek_char((0x55772f068e50), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1342272, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_1343204, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x55772f068e50), i)
   Exit: (231) [system] get_char((0x55772f068e50), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1350554)
   Call: (232) [system] peek_char((0x55772f068e50), _1351488)
   Exit: (232) [system] peek_char((0x55772f068e50), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Fail: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_1356208, v('(', ')', end_of_file), c)
   Fail: (233) [system] arg(_1357140, v('(', ')', end_of_file), c)
^  Fail: (232) [user] is_delimiter(c)
   Call: (232) [system] ')'==c
   Fail: (232) [system] ')'==c
   Call: (232) [system] get_char((0x55772f068e50), c)
   Exit: (232) [system] get_char((0x55772f068e50), c)
   Call: (232) [system] c=(\)
   Fail: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1364490)
   Call: (233) [system] peek_char((0x55772f068e50), _1365424)
   Exit: (233) [system] peek_char((0x55772f068e50), a)
^  Call: (233) [user] is_delimiter(a)
   Call: (234) [system] char_type(a, space)
   Fail: (234) [system] char_type(a, space)
   Call: (234) [system] arg(_1370144, v('(', ')', end_of_file), a)
   Fail: (234) [system] arg(_1371076, v('(', ')', end_of_file), a)
^  Fail: (233) [user] is_delimiter(a)
   Call: (233) [system] ')'==a
   Fail: (233) [system] ')'==a
   Call: (233) [system] get_char((0x55772f068e50), a)
   Exit: (233) [system] get_char((0x55772f068e50), a)
   Call: (233) [system] a=(\)
   Fail: (233) [system] a=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1378426)
   Call: (234) [system] peek_char((0x55772f068e50), _1379360)
   Exit: (234) [system] peek_char((0x55772f068e50), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Fail: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_1384080, v('(', ')', end_of_file), t)
   Fail: (235) [system] arg(_1385012, v('(', ')', end_of_file), t)
^  Fail: (234) [user] is_delimiter(t)
   Call: (234) [system] ')'==t
   Fail: (234) [system] ')'==t
   Call: (234) [system] get_char((0x55772f068e50), t)
   Exit: (234) [system] get_char((0x55772f068e50), t)
   Call: (234) [system] t=(\)
   Fail: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1392362)
   Call: (235) [system] peek_char((0x55772f068e50), _1393296)
   Exit: (235) [system] peek_char((0x55772f068e50), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Fail: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_1398016, v('(', ')', end_of_file), i)
   Fail: (236) [system] arg(_1398948, v('(', ')', end_of_file), i)
^  Fail: (235) [user] is_delimiter(i)
   Call: (235) [system] ')'==i
   Fail: (235) [system] ')'==i
   Call: (235) [system] get_char((0x55772f068e50), i)
   Exit: (235) [system] get_char((0x55772f068e50), i)
   Call: (235) [system] i=(\)
   Fail: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1406298)
   Call: (236) [system] peek_char((0x55772f068e50), _1407232)
   Exit: (236) [system] peek_char((0x55772f068e50), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Fail: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_1411952, v('(', ')', end_of_file), o)
   Fail: (237) [system] arg(_1412884, v('(', ')', end_of_file), o)
^  Fail: (236) [user] is_delimiter(o)
   Call: (236) [system] ')'==o
   Fail: (236) [system] ')'==o
   Call: (236) [system] get_char((0x55772f068e50), o)
   Exit: (236) [system] get_char((0x55772f068e50), o)
   Call: (236) [system] o=(\)
   Fail: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1420234)
   Call: (237) [system] peek_char((0x55772f068e50), _1421168)
   Exit: (237) [system] peek_char((0x55772f068e50), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_1425888, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_1426820, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x55772f068e50), n)
   Exit: (237) [system] get_char((0x55772f068e50), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _1434170)
   Call: (238) [system] peek_char((0x55772f068e50), _1435104)
   Exit: (238) [system] peek_char((0x55772f068e50), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _1434170=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (237) [system] _1420234=[n]
   Exit: (237) [system] [n]=[n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (236) [system] _1406298=[o, n]
   Exit: (236) [system] [o, n]=[o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (235) [system] _1392362=[i, o, n]
   Exit: (235) [system] [i, o, n]=[i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (234) [system] _1378426=[t, i, o, n]
   Exit: (234) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (233) [system] _1364490=[a, t, i, o, n]
   Exit: (233) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (232) [system] _1350554=[c, a, t, i, o, n]
   Exit: (232) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (231) [system] _1336618=[i, c, a, t, i, o, n]
   Exit: (231) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (230) [system] _1322682=[l, i, c, a, t, i, o, n]
   Exit: (230) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (229) [system] _1308746=[p, l, i, c, a, t, i, o, n]
   Exit: (229) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (228) [system] _1294810=[m, p, l, i, c, a, t, i, o, n]
   Exit: (228) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (227) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1259300)
^  Call: (228) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1472328)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1473280, _1473282), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1472328), _1473262, fail)), '$restore_trace'(_1473280, _1473282))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1473280, _1473282))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1472328), _1473262, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1472328)
   Fail: (229) [system] atomic(_1472328)
   Call: (229) [system] atom_chars(_1472328, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (229) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (228) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (228) [system] integer('Implication')
   Fail: (228) [system] integer('Implication')
   Call: (228) [system] _1259300='Implication'
   Exit: (228) [system] 'Implication'='Implication'
^  Exit: (227) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (226) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (225) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (225) [user] read_list(')', (0x55772f068e50), _1487278)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1489136)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x55772f068e50), _1498730)
   Exit: (227) [system] get_char((0x55772f068e50), ' ')
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1501434)
   Exit: (228) [system] peek_char((0x55772f068e50), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
   Call: (228) [system] '('=(/)
   Fail: (228) [system] '('=(/)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1518368)
   Exit: (226) [system] peek_char((0x55772f068e50), '(')
   Call: (226) [system] '('=')'
   Fail: (226) [system] '('=')'
   Call: (226) [system] '('=end_of_file
   Fail: (226) [system] '('=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x55772f068e50), _1523938)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1525796)
   Exit: (228) [system] peek_char((0x55772f068e50), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
   Call: (228) [system] '('=(/)
   Fail: (228) [system] '('=(/)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] get_char((0x55772f068e50), _1541806)
   Exit: (227) [system] get_char((0x55772f068e50), '(')
   Call: (227) [system] '('='('
   Exit: (227) [system] '('='('
^  Call: (227) [user] read_list(')', (0x55772f068e50), _1523938)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1547376)
   Exit: (229) [system] peek_char((0x55772f068e50), 'A')
   Call: (229) [system] 'A'=(;)
   Fail: (229) [system] 'A'=(;)
   Call: (229) [system] 'A'=(/)
   Fail: (229) [system] 'A'=(/)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Fail: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Fail: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Fail: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
   Fail: (230) [system] char_type('A', cntrl)
^  Fail: (229) [user] is_like_space('A')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1563386)
   Exit: (228) [system] peek_char((0x55772f068e50), 'A')
   Call: (228) [system] 'A'=')'
   Fail: (228) [system] 'A'=')'
   Call: (228) [system] 'A'=end_of_file
   Fail: (228) [system] 'A'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x55772f068e50), _1568956)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1570814)
   Exit: (230) [system] peek_char((0x55772f068e50), 'A')
   Call: (230) [system] 'A'=(;)
   Fail: (230) [system] 'A'=(;)
   Call: (230) [system] 'A'=(/)
   Fail: (230) [system] 'A'=(/)
^  Call: (230) [user] is_like_space('A')
   Call: (231) [system] char_type('A', 'white')
   Fail: (231) [system] char_type('A', 'white')
   Call: (231) [system] char_type('A', end_of_line)
   Fail: (231) [system] char_type('A', end_of_line)
   Call: (231) [system] char_type('A', space)
   Fail: (231) [system] char_type('A', space)
   Call: (231) [system] char_type('A', cntrl)
   Fail: (231) [system] char_type('A', cntrl)
^  Fail: (230) [user] is_like_space('A')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] get_char((0x55772f068e50), _1586824)
   Exit: (229) [system] get_char((0x55772f068e50), 'A')
   Call: (229) [system] 'A'='('
   Fail: (229) [system] 'A'='('
   Call: (229) [system] 'A'='['
   Fail: (229) [system] 'A'='['
   Call: (229) [system] 'A'='{'
   Fail: (229) [system] 'A'='{'
   Call: (229) [system] 'A'='"'
   Fail: (229) [system] 'A'='"'
   Call: (229) [system] 'A'=!
   Fail: (229) [system] 'A'=!
   Call: (229) [system] 'A'='\''
   Fail: (229) [system] 'A'='\''
   Call: (229) [system] 'A'='`'
   Fail: (229) [system] 'A'='`'
   Call: (229) [system] 'A'=end_of_file
   Fail: (229) [system] 'A'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x55772f068e50), 'A', _1568956)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1604466)
   Call: (231) [system] peek_char((0x55772f068e50), _1605400)
   Exit: (231) [system] peek_char((0x55772f068e50), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1610120, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1611052, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x55772f068e50), n)
   Exit: (231) [system] get_char((0x55772f068e50), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1618402)
   Call: (232) [system] peek_char((0x55772f068e50), _1619336)
   Exit: (232) [system] peek_char((0x55772f068e50), d)
^  Call: (232) [user] is_delimiter(d)
   Call: (233) [system] char_type(d, space)
   Fail: (233) [system] char_type(d, space)
   Call: (233) [system] arg(_1624056, v('(', ')', end_of_file), d)
   Fail: (233) [system] arg(_1624988, v('(', ')', end_of_file), d)
^  Fail: (232) [user] is_delimiter(d)
   Call: (232) [system] ')'==d
   Fail: (232) [system] ')'==d
   Call: (232) [system] get_char((0x55772f068e50), d)
   Exit: (232) [system] get_char((0x55772f068e50), d)
   Call: (232) [system] d=(\)
   Fail: (232) [system] d=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1632338)
   Call: (233) [system] peek_char((0x55772f068e50), _1633272)
   Exit: (233) [system] peek_char((0x55772f068e50), 'L')
^  Call: (233) [user] is_delimiter('L')
   Call: (234) [system] char_type('L', space)
   Fail: (234) [system] char_type('L', space)
   Call: (234) [system] arg(_1637992, v('(', ')', end_of_file), 'L')
   Fail: (234) [system] arg(_1638924, v('(', ')', end_of_file), 'L')
^  Fail: (233) [user] is_delimiter('L')
   Call: (233) [system] ')'=='L'
   Fail: (233) [system] ')'=='L'
   Call: (233) [system] get_char((0x55772f068e50), 'L')
   Exit: (233) [system] get_char((0x55772f068e50), 'L')
   Call: (233) [system] 'L'=(\)
   Fail: (233) [system] 'L'=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1646274)
   Call: (234) [system] peek_char((0x55772f068e50), _1647208)
   Exit: (234) [system] peek_char((0x55772f068e50), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_1651928, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_1652860, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x55772f068e50), i)
   Exit: (234) [system] get_char((0x55772f068e50), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1660210)
   Call: (235) [system] peek_char((0x55772f068e50), _1661144)
   Exit: (235) [system] peek_char((0x55772f068e50), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_1665864, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_1666796, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x55772f068e50), n)
   Exit: (235) [system] get_char((0x55772f068e50), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1674146)
   Call: (236) [system] peek_char((0x55772f068e50), _1675080)
   Exit: (236) [system] peek_char((0x55772f068e50), k)
^  Call: (236) [user] is_delimiter(k)
   Call: (237) [system] char_type(k, space)
   Fail: (237) [system] char_type(k, space)
   Call: (237) [system] arg(_1679800, v('(', ')', end_of_file), k)
   Fail: (237) [system] arg(_1680732, v('(', ')', end_of_file), k)
^  Fail: (236) [user] is_delimiter(k)
   Call: (236) [system] ')'==k
   Fail: (236) [system] ')'==k
   Call: (236) [system] get_char((0x55772f068e50), k)
   Exit: (236) [system] get_char((0x55772f068e50), k)
   Call: (236) [system] k=(\)
   Fail: (236) [system] k=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1688082)
   Call: (237) [system] peek_char((0x55772f068e50), _1689016)
   Exit: (237) [system] peek_char((0x55772f068e50), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _1688082=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (236) [system] _1674146=[k]
   Exit: (236) [system] [k]=[k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (235) [system] _1660210=[n, k]
   Exit: (235) [system] [n, k]=[n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (234) [system] _1646274=[i, n, k]
   Exit: (234) [system] [i, n, k]=[i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (233) [system] _1632338=['L', i, n, k]
   Exit: (233) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (232) [system] _1618402=[d, 'L', i, n, k]
   Exit: (232) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (231) [system] _1604466=[n, d, 'L', i, n, k]
   Exit: (231) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (230) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1568956)
^  Call: (231) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1715064)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1716016, _1716018), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1715064), _1715998, fail)), '$restore_trace'(_1716016, _1716018))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1716016, _1716018))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1715064), _1715998, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_1715064)
   Fail: (232) [system] atomic(_1715064)
   Call: (232) [system] atom_chars(_1715064, ['A', n, d, 'L', i, n, k])
   Exit: (232) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (231) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (231) [system] integer('AndLink')
   Fail: (231) [system] integer('AndLink')
   Call: (231) [system] _1568956='AndLink'
   Exit: (231) [system] 'AndLink'='AndLink'
^  Exit: (230) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (229) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (228) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (228) [user] read_list(')', (0x55772f068e50), _1730014)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1731872)
   Exit: (230) [system] peek_char((0x55772f068e50), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
   Call: (230) [system] ' '=(/)
   Fail: (230) [system] ' '=(/)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x55772f068e50), _1741466)
   Exit: (230) [system] get_char((0x55772f068e50), ' ')
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1744170)
   Exit: (231) [system] peek_char((0x55772f068e50), 'A')
   Call: (231) [system] 'A'=(;)
   Fail: (231) [system] 'A'=(;)
   Call: (231) [system] 'A'=(/)
   Fail: (231) [system] 'A'=(/)
^  Call: (231) [user] is_like_space('A')
   Call: (232) [system] char_type('A', 'white')
   Fail: (232) [system] char_type('A', 'white')
   Call: (232) [system] char_type('A', end_of_line)
   Fail: (232) [system] char_type('A', end_of_line)
   Call: (232) [system] char_type('A', space)
   Fail: (232) [system] char_type('A', space)
   Call: (232) [system] char_type('A', cntrl)
   Fail: (232) [system] char_type('A', cntrl)
^  Fail: (231) [user] is_like_space('A')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1761104)
   Exit: (229) [system] peek_char((0x55772f068e50), 'A')
   Call: (229) [system] 'A'=')'
   Fail: (229) [system] 'A'=')'
   Call: (229) [system] 'A'=end_of_file
   Fail: (229) [system] 'A'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x55772f068e50), _1766674)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1768532)
   Exit: (231) [system] peek_char((0x55772f068e50), 'A')
   Call: (231) [system] 'A'=(;)
   Fail: (231) [system] 'A'=(;)
   Call: (231) [system] 'A'=(/)
   Fail: (231) [system] 'A'=(/)
^  Call: (231) [user] is_like_space('A')
   Call: (232) [system] char_type('A', 'white')
   Fail: (232) [system] char_type('A', 'white')
   Call: (232) [system] char_type('A', end_of_line)
   Fail: (232) [system] char_type('A', end_of_line)
   Call: (232) [system] char_type('A', space)
   Fail: (232) [system] char_type('A', space)
   Call: (232) [system] char_type('A', cntrl)
   Fail: (232) [system] char_type('A', cntrl)
^  Fail: (231) [user] is_like_space('A')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] get_char((0x55772f068e50), _1784542)
   Exit: (230) [system] get_char((0x55772f068e50), 'A')
   Call: (230) [system] 'A'='('
   Fail: (230) [system] 'A'='('
   Call: (230) [system] 'A'='['
   Fail: (230) [system] 'A'='['
   Call: (230) [system] 'A'='{'
   Fail: (230) [system] 'A'='{'
   Call: (230) [system] 'A'='"'
   Fail: (230) [system] 'A'='"'
   Call: (230) [system] 'A'=!
   Fail: (230) [system] 'A'=!
   Call: (230) [system] 'A'='\''
   Fail: (230) [system] 'A'='\''
   Call: (230) [system] 'A'='`'
   Fail: (230) [system] 'A'='`'
   Call: (230) [system] 'A'=end_of_file
   Fail: (230) [system] 'A'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x55772f068e50), 'A', _1766674)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1802184)
   Call: (232) [system] peek_char((0x55772f068e50), _1803118)
   Exit: (232) [system] peek_char((0x55772f068e50), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1802184=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (231) [user] classify_and_convert_charseq(['A'], _1766674)
^  Call: (232) [user] classify_and_convert_charseq_(['A'], _1812402)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1813354, _1813356), once(user:catch(read_from_chars(['A'], _1812402), _1813336, fail)), '$restore_trace'(_1813354, _1813356))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1813354, _1813356))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1812402), _1813336, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_1812402)
   Fail: (233) [system] atomic(_1812402)
   Call: (233) [system] atom_chars(_1812402, ['A'])
   Exit: (233) [system] atom_chars('A', ['A'])
^  Exit: (232) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (232) [system] integer('A')
   Fail: (232) [system] integer('A')
   Call: (232) [system] _1766674='A'
   Exit: (232) [system] 'A'='A'
^  Exit: (231) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (230) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (229) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (229) [user] read_list(')', (0x55772f068e50), _1827352)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1829210)
   Exit: (231) [system] peek_char((0x55772f068e50), ' ')
   Call: (231) [system] ' '=(;)
   Fail: (231) [system] ' '=(;)
   Call: (231) [system] ' '=(/)
   Fail: (231) [system] ' '=(/)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x55772f068e50), _1838804)
   Exit: (231) [system] get_char((0x55772f068e50), ' ')
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _1841508)
   Exit: (232) [system] peek_char((0x55772f068e50), 'B')
   Call: (232) [system] 'B'=(;)
   Fail: (232) [system] 'B'=(;)
   Call: (232) [system] 'B'=(/)
   Fail: (232) [system] 'B'=(/)
^  Call: (232) [user] is_like_space('B')
   Call: (233) [system] char_type('B', 'white')
   Fail: (233) [system] char_type('B', 'white')
   Call: (233) [system] char_type('B', end_of_line)
   Fail: (233) [system] char_type('B', end_of_line)
   Call: (233) [system] char_type('B', space)
   Fail: (233) [system] char_type('B', space)
   Call: (233) [system] char_type('B', cntrl)
   Fail: (233) [system] char_type('B', cntrl)
^  Fail: (232) [user] is_like_space('B')
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1858442)
   Exit: (230) [system] peek_char((0x55772f068e50), 'B')
   Call: (230) [system] 'B'=')'
   Fail: (230) [system] 'B'=')'
   Call: (230) [system] 'B'=end_of_file
   Fail: (230) [system] 'B'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x55772f068e50), _1864012)
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _1865870)
   Exit: (232) [system] peek_char((0x55772f068e50), 'B')
   Call: (232) [system] 'B'=(;)
   Fail: (232) [system] 'B'=(;)
   Call: (232) [system] 'B'=(/)
   Fail: (232) [system] 'B'=(/)
^  Call: (232) [user] is_like_space('B')
   Call: (233) [system] char_type('B', 'white')
   Fail: (233) [system] char_type('B', 'white')
   Call: (233) [system] char_type('B', end_of_line)
   Fail: (233) [system] char_type('B', end_of_line)
   Call: (233) [system] char_type('B', space)
   Fail: (233) [system] char_type('B', space)
   Call: (233) [system] char_type('B', cntrl)
   Fail: (233) [system] char_type('B', cntrl)
^  Fail: (232) [user] is_like_space('B')
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] get_char((0x55772f068e50), _1881880)
   Exit: (231) [system] get_char((0x55772f068e50), 'B')
   Call: (231) [system] 'B'='('
   Fail: (231) [system] 'B'='('
   Call: (231) [system] 'B'='['
   Fail: (231) [system] 'B'='['
   Call: (231) [system] 'B'='{'
   Fail: (231) [system] 'B'='{'
   Call: (231) [system] 'B'='"'
   Fail: (231) [system] 'B'='"'
   Call: (231) [system] 'B'=!
   Fail: (231) [system] 'B'=!
   Call: (231) [system] 'B'='\''
   Fail: (231) [system] 'B'='\''
   Call: (231) [system] 'B'='`'
   Fail: (231) [system] 'B'='`'
   Call: (231) [system] 'B'=end_of_file
   Fail: (231) [system] 'B'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x55772f068e50), 'B', _1864012)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1899522)
   Call: (233) [system] peek_char((0x55772f068e50), _1900456)
   Exit: (233) [system] peek_char((0x55772f068e50), ')')
^  Call: (233) [user] is_delimiter(')')
   Call: (234) [system] char_type(')', space)
   Fail: (234) [system] char_type(')', space)
   Call: (234) [system] arg(_1905176, v('(', ')', end_of_file), ')')
   Exit: (234) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (233) [user] is_delimiter(')')
   Call: (233) [system] _1899522=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (232) [user] classify_and_convert_charseq(['B'], _1864012)
^  Call: (233) [user] classify_and_convert_charseq_(['B'], _1911612)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_1912564, _1912566), once(user:catch(read_from_chars(['B'], _1911612), _1912546, fail)), '$restore_trace'(_1912564, _1912566))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_1912564, _1912566))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1911612), _1912546, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_1911612)
   Fail: (234) [system] atomic(_1911612)
   Call: (234) [system] atom_chars(_1911612, ['B'])
   Exit: (234) [system] atom_chars('B', ['B'])
^  Exit: (233) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (233) [system] integer('B')
   Fail: (233) [system] integer('B')
   Call: (233) [system] _1864012='B'
   Exit: (233) [system] 'B'='B'
^  Exit: (232) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (231) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (230) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (230) [user] read_list(')', (0x55772f068e50), _1926562)
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _1928420)
   Exit: (232) [system] peek_char((0x55772f068e50), ')')
   Call: (232) [system] ')'=(;)
   Fail: (232) [system] ')'=(;)
   Call: (232) [system] ')'=(/)
   Fail: (232) [system] ')'=(/)
^  Call: (232) [user] is_like_space(')')
   Call: (233) [system] char_type(')', 'white')
   Fail: (233) [system] char_type(')', 'white')
   Call: (233) [system] char_type(')', end_of_line)
   Fail: (233) [system] char_type(')', end_of_line)
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] char_type(')', cntrl)
   Fail: (233) [system] char_type(')', cntrl)
^  Fail: (232) [user] is_like_space(')')
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1944430)
   Exit: (231) [system] peek_char((0x55772f068e50), ')')
   Call: (231) [system] ')'=')'
   Exit: (231) [system] ')'=')'
   Call: (231) [system] get_char((0x55772f068e50), _1948220)
   Exit: (231) [system] get_char((0x55772f068e50), ')')
   Call: (231) [system] _1926562=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_list(')', (0x55772f068e50), [])
   Call: (230) [system] _1827352=['B']
   Exit: (230) [system] ['B']=['B']
^  Exit: (229) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (229) [system] _1730014=['A', 'B']
   Exit: (229) [system] ['A', 'B']=['A', 'B']
^  Exit: (228) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (228) [system] _1523938=['AndLink', 'A', 'B']
   Exit: (228) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (227) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (226) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (226) [user] read_list(')', (0x55772f068e50), _1962102)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1963960)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x55772f068e50), _1973554)
   Exit: (228) [system] get_char((0x55772f068e50), ' ')
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1976258)
   Exit: (229) [system] peek_char((0x55772f068e50), 'C')
   Call: (229) [system] 'C'=(;)
   Fail: (229) [system] 'C'=(;)
   Call: (229) [system] 'C'=(/)
   Fail: (229) [system] 'C'=(/)
^  Call: (229) [user] is_like_space('C')
   Call: (230) [system] char_type('C', 'white')
   Fail: (230) [system] char_type('C', 'white')
   Call: (230) [system] char_type('C', end_of_line)
   Fail: (230) [system] char_type('C', end_of_line)
   Call: (230) [system] char_type('C', space)
   Fail: (230) [system] char_type('C', space)
   Call: (230) [system] char_type('C', cntrl)
   Fail: (230) [system] char_type('C', cntrl)
^  Fail: (229) [user] is_like_space('C')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1993192)
   Exit: (227) [system] peek_char((0x55772f068e50), 'C')
   Call: (227) [system] 'C'=')'
   Fail: (227) [system] 'C'=')'
   Call: (227) [system] 'C'=end_of_file
   Fail: (227) [system] 'C'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x55772f068e50), _1998762)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _2000620)
   Exit: (229) [system] peek_char((0x55772f068e50), 'C')
   Call: (229) [system] 'C'=(;)
   Fail: (229) [system] 'C'=(;)
   Call: (229) [system] 'C'=(/)
   Fail: (229) [system] 'C'=(/)
^  Call: (229) [user] is_like_space('C')
   Call: (230) [system] char_type('C', 'white')
   Fail: (230) [system] char_type('C', 'white')
   Call: (230) [system] char_type('C', end_of_line)
   Fail: (230) [system] char_type('C', end_of_line)
   Call: (230) [system] char_type('C', space)
   Fail: (230) [system] char_type('C', space)
   Call: (230) [system] char_type('C', cntrl)
   Fail: (230) [system] char_type('C', cntrl)
^  Fail: (229) [user] is_like_space('C')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] get_char((0x55772f068e50), _2016630)
   Exit: (228) [system] get_char((0x55772f068e50), 'C')
   Call: (228) [system] 'C'='('
   Fail: (228) [system] 'C'='('
   Call: (228) [system] 'C'='['
   Fail: (228) [system] 'C'='['
   Call: (228) [system] 'C'='{'
   Fail: (228) [system] 'C'='{'
   Call: (228) [system] 'C'='"'
   Fail: (228) [system] 'C'='"'
   Call: (228) [system] 'C'=!
   Fail: (228) [system] 'C'=!
   Call: (228) [system] 'C'='\''
   Fail: (228) [system] 'C'='\''
   Call: (228) [system] 'C'='`'
   Fail: (228) [system] 'C'='`'
   Call: (228) [system] 'C'=end_of_file
   Fail: (228) [system] 'C'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x55772f068e50), 'C', _1998762)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _2034272)
   Call: (230) [system] peek_char((0x55772f068e50), _2035206)
   Exit: (230) [system] peek_char((0x55772f068e50), ')')
^  Call: (230) [user] is_delimiter(')')
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] arg(_2039926, v('(', ')', end_of_file), ')')
   Exit: (231) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (230) [user] is_delimiter(')')
   Call: (230) [system] _2034272=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (229) [user] classify_and_convert_charseq(['C'], _1998762)
^  Call: (230) [user] classify_and_convert_charseq_(['C'], _2046362)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_2047314, _2047316), once(user:catch(read_from_chars(['C'], _2046362), _2047296, fail)), '$restore_trace'(_2047314, _2047316))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_2047314, _2047316))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _2046362), _2047296, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_2046362)
   Fail: (231) [system] atomic(_2046362)
   Call: (231) [system] atom_chars(_2046362, ['C'])
   Exit: (231) [system] atom_chars('C', ['C'])
^  Exit: (230) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (230) [system] integer('C')
   Fail: (230) [system] integer('C')
   Call: (230) [system] _1998762='C'
   Exit: (230) [system] 'C'='C'
^  Exit: (229) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (228) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (227) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (227) [user] read_list(')', (0x55772f068e50), _2061312)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _2063170)
   Exit: (229) [system] peek_char((0x55772f068e50), ')')
   Call: (229) [system] ')'=(;)
   Fail: (229) [system] ')'=(;)
   Call: (229) [system] ')'=(/)
   Fail: (229) [system] ')'=(/)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Fail: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Fail: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
   Fail: (230) [system] char_type(')', cntrl)
^  Fail: (229) [user] is_like_space(')')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _2079180)
   Exit: (228) [system] peek_char((0x55772f068e50), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x55772f068e50), _2082970)
   Exit: (228) [system] get_char((0x55772f068e50), ')')
   Call: (228) [system] _2061312=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x55772f068e50), [])
   Call: (227) [system] _1962102=['C']
   Exit: (227) [system] ['C']=['C']
^  Exit: (226) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (226) [system] _1487278=[['AndLink', 'A', 'B'], 'C']
   Exit: (226) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (225) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (225) [system] _1214282=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (225) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (224) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (223) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (223) [user] read_list(')', (0x55772f068e50), _5658)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _7460)
   Exit: (225) [system] peek_char((0x55772f068e50), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
   Call: (225) [system] ')'=(/)
   Fail: (225) [system] ')'=(/)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _23470)
   Exit: (224) [system] peek_char((0x55772f068e50), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x55772f068e50), _27260)
   Exit: (224) [system] get_char((0x55772f068e50), ')')
   Call: (224) [system] _5658=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x55772f068e50), [])
   Call: (223) [system] _5614=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (223) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (222) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (222) [system] _5572=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (222) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (221) [user] read_list(')', (0x55772f068e50), [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (221) [system] _5564=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (221) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (220) [user] read_list(')', (0x55772f068e50), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (219) [user] read_list(')', (0x55772f068e50), _41142)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _43000)
   Exit: (221) [system] peek_char((0x55772f068e50), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
   Call: (221) [system] ')'=(/)
   Fail: (221) [system] ')'=(/)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _59010)
   Exit: (220) [system] peek_char((0x55772f068e50), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x55772f068e50), _62800)
   Exit: (220) [system] get_char((0x55772f068e50), ')')
   Call: (220) [system] _41142=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x55772f068e50), [])
   Call: (219) [system] _5560=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (219) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (218) [user] read_list(')', (0x55772f068e50), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (218) [system] _5518=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (218) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (217) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (217) [system] _5510=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (217) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (216) [user] read_list(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (215) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (215) [user] read_list(')', (0x55772f068e50), _76682)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _78540)
   Exit: (217) [system] peek_char((0x55772f068e50), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
   Call: (217) [system] ')'=(/)
   Fail: (217) [system] ')'=(/)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _94550)
   Exit: (216) [system] peek_char((0x55772f068e50), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x55772f068e50), _98340)
   Exit: (216) [system] get_char((0x55772f068e50), ')')
   Call: (216) [system] _76682=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x55772f068e50), [])
   Call: (215) [system] _5506=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (215) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (214) [user] read_list(')', (0x55772f068e50), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (214) [system] _5464=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (214) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (213) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (213) [system] _5456=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (213) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (212) [user] read_list(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Exit: (211) [user] cont_sexpr(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Call: (211) [user] read_list(')', (0x55772f068e50), _112222)
^  Call: (212) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _114080)
   Exit: (213) [system] peek_char((0x55772f068e50), '\n')
   Call: (213) [system] '\n'=(;)
   Fail: (213) [system] '\n'=(;)
   Call: (213) [system] '\n'=(/)
   Fail: (213) [system] '\n'=(/)
^  Call: (213) [user] is_like_space('\n')
   Call: (214) [system] char_type('\n', 'white')
   Fail: (214) [system] char_type('\n', 'white')
   Call: (214) [system] char_type('\n', end_of_line)
   Exit: (214) [system] char_type('\n', end_of_line)
^  Exit: (213) [user] is_like_space('\n')
   Call: (213) [system] get_char((0x55772f068e50), _125530)
   Exit: (213) [system] get_char((0x55772f068e50), '\n')
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _128234)
   Exit: (214) [system] peek_char((0x55772f068e50), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x55772f068e50), _137828)
   Exit: (214) [system] get_char((0x55772f068e50), ' ')
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _140532)
   Exit: (215) [system] peek_char((0x55772f068e50), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
^  Exit: (212) [user] skip_spaces((0x55772f068e50))
   Call: (212) [system] peek_char((0x55772f068e50), _158390)
   Exit: (212) [system] peek_char((0x55772f068e50), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x55772f068e50), _163960)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _165818)
   Exit: (214) [system] peek_char((0x55772f068e50), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] get_char((0x55772f068e50), _181828)
   Exit: (213) [system] get_char((0x55772f068e50), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x55772f068e50), _163960)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _187398)
   Exit: (215) [system] peek_char((0x55772f068e50), :)
   Call: (215) [system] (:)=(;)
   Fail: (215) [system] (:)=(;)
   Call: (215) [system] (:)=(/)
   Fail: (215) [system] (:)=(/)
^  Call: (215) [user] is_like_space(:)
   Call: (216) [system] char_type(:, 'white')
   Fail: (216) [system] char_type(:, 'white')
   Call: (216) [system] char_type(:, end_of_line)
   Fail: (216) [system] char_type(:, end_of_line)
   Call: (216) [system] char_type(:, space)
   Fail: (216) [system] char_type(:, space)
   Call: (216) [system] char_type(:, cntrl)
   Fail: (216) [system] char_type(:, cntrl)
^  Fail: (215) [user] is_like_space(:)
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _203408)
   Exit: (214) [system] peek_char((0x55772f068e50), :)
   Call: (214) [system] (:)=')'
   Fail: (214) [system] (:)=')'
   Call: (214) [system] (:)=end_of_file
   Fail: (214) [system] (:)=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _208978)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _210836)
   Exit: (216) [system] peek_char((0x55772f068e50), :)
   Call: (216) [system] (:)=(;)
   Fail: (216) [system] (:)=(;)
   Call: (216) [system] (:)=(/)
   Fail: (216) [system] (:)=(/)
^  Call: (216) [user] is_like_space(:)
   Call: (217) [system] char_type(:, 'white')
   Fail: (217) [system] char_type(:, 'white')
   Call: (217) [system] char_type(:, end_of_line)
   Fail: (217) [system] char_type(:, end_of_line)
   Call: (217) [system] char_type(:, space)
   Fail: (217) [system] char_type(:, space)
   Call: (217) [system] char_type(:, cntrl)
   Fail: (217) [system] char_type(:, cntrl)
^  Fail: (216) [user] is_like_space(:)
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _226846)
   Exit: (215) [system] get_char((0x55772f068e50), :)
   Call: (215) [system] (:)='('
   Fail: (215) [system] (:)='('
   Call: (215) [system] (:)='['
   Fail: (215) [system] (:)='['
   Call: (215) [system] (:)='{'
   Fail: (215) [system] (:)='{'
   Call: (215) [system] (:)='"'
   Fail: (215) [system] (:)='"'
   Call: (215) [system] (:)=!
   Fail: (215) [system] (:)=!
   Call: (215) [system] (:)='\''
   Fail: (215) [system] (:)='\''
   Call: (215) [system] (:)='`'
   Fail: (215) [system] (:)='`'
   Call: (215) [system] (:)=end_of_file
   Fail: (215) [system] (:)=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x55772f068e50), :, _208978)
^  Call: (216) [user] read_symbolic_cont(')', (0x55772f068e50), _244488)
   Call: (217) [system] peek_char((0x55772f068e50), _245422)
   Exit: (217) [system] peek_char((0x55772f068e50), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _244488=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (216) [user] classify_and_convert_charseq([:], _208978)
^  Call: (217) [user] classify_and_convert_charseq_([:], _254706)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_255658, _255660), once(user:catch(read_from_chars([:], _254706), _255640, fail)), '$restore_trace'(_255658, _255660))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_255658, _255660))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _255640, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(:)
   Exit: (218) [system] atomic(:)
^  Exit: (217) [user] classify_and_convert_charseq_([:], :)
   Call: (217) [system] integer(:)
   Fail: (217) [system] integer(:)
   Call: (217) [system] _208978=(:)
   Exit: (217) [system] (:)=(:)
^  Exit: (216) [user] classify_and_convert_charseq([:], :)
^  Exit: (215) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (214) [user] read_list(')', (0x55772f068e50), _267786)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _269644)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x55772f068e50), _279238)
   Exit: (216) [system] get_char((0x55772f068e50), ' ')
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _281942)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _298876)
   Exit: (215) [system] peek_char((0x55772f068e50), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x55772f068e50), _304446)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _306304)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] get_char((0x55772f068e50), _322314)
   Exit: (216) [system] get_char((0x55772f068e50), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x55772f068e50), _304446)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _327884)
   Exit: (218) [system] peek_char((0x55772f068e50), 'D')
   Call: (218) [system] 'D'=(;)
   Fail: (218) [system] 'D'=(;)
   Call: (218) [system] 'D'=(/)
   Fail: (218) [system] 'D'=(/)
^  Call: (218) [user] is_like_space('D')
   Call: (219) [system] char_type('D', 'white')
   Fail: (219) [system] char_type('D', 'white')
   Call: (219) [system] char_type('D', end_of_line)
   Fail: (219) [system] char_type('D', end_of_line)
   Call: (219) [system] char_type('D', space)
   Fail: (219) [system] char_type('D', space)
   Call: (219) [system] char_type('D', cntrl)
   Fail: (219) [system] char_type('D', cntrl)
^  Fail: (218) [user] is_like_space('D')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _343894)
   Exit: (217) [system] peek_char((0x55772f068e50), 'D')
   Call: (217) [system] 'D'=')'
   Fail: (217) [system] 'D'=')'
   Call: (217) [system] 'D'=end_of_file
   Fail: (217) [system] 'D'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _349464)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _351322)
   Exit: (219) [system] peek_char((0x55772f068e50), 'D')
   Call: (219) [system] 'D'=(;)
   Fail: (219) [system] 'D'=(;)
   Call: (219) [system] 'D'=(/)
   Fail: (219) [system] 'D'=(/)
^  Call: (219) [user] is_like_space('D')
   Call: (220) [system] char_type('D', 'white')
   Fail: (220) [system] char_type('D', 'white')
   Call: (220) [system] char_type('D', end_of_line)
   Fail: (220) [system] char_type('D', end_of_line)
   Call: (220) [system] char_type('D', space)
   Fail: (220) [system] char_type('D', space)
   Call: (220) [system] char_type('D', cntrl)
   Fail: (220) [system] char_type('D', cntrl)
^  Fail: (219) [user] is_like_space('D')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _367332)
   Exit: (218) [system] get_char((0x55772f068e50), 'D')
   Call: (218) [system] 'D'='('
   Fail: (218) [system] 'D'='('
   Call: (218) [system] 'D'='['
   Fail: (218) [system] 'D'='['
   Call: (218) [system] 'D'='{'
   Fail: (218) [system] 'D'='{'
   Call: (218) [system] 'D'='"'
   Fail: (218) [system] 'D'='"'
   Call: (218) [system] 'D'=!
   Fail: (218) [system] 'D'=!
   Call: (218) [system] 'D'='\''
   Fail: (218) [system] 'D'='\''
   Call: (218) [system] 'D'='`'
   Fail: (218) [system] 'D'='`'
   Call: (218) [system] 'D'=end_of_file
   Fail: (218) [system] 'D'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x55772f068e50), 'D', _349464)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _384974)
   Call: (220) [system] peek_char((0x55772f068e50), _385908)
   Exit: (220) [system] peek_char((0x55772f068e50), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_390628, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_391560, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x55772f068e50), i)
   Exit: (220) [system] get_char((0x55772f068e50), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _398910)
   Call: (221) [system] peek_char((0x55772f068e50), _399844)
   Exit: (221) [system] peek_char((0x55772f068e50), s)
^  Call: (221) [user] is_delimiter(s)
   Call: (222) [system] char_type(s, space)
   Fail: (222) [system] char_type(s, space)
   Call: (222) [system] arg(_404564, v('(', ')', end_of_file), s)
   Fail: (222) [system] arg(_405496, v('(', ')', end_of_file), s)
^  Fail: (221) [user] is_delimiter(s)
   Call: (221) [system] ')'==s
   Fail: (221) [system] ')'==s
   Call: (221) [system] get_char((0x55772f068e50), s)
   Exit: (221) [system] get_char((0x55772f068e50), s)
   Call: (221) [system] s=(\)
   Fail: (221) [system] s=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _412846)
   Call: (222) [system] peek_char((0x55772f068e50), _413780)
   Exit: (222) [system] peek_char((0x55772f068e50), j)
^  Call: (222) [user] is_delimiter(j)
   Call: (223) [system] char_type(j, space)
   Fail: (223) [system] char_type(j, space)
   Call: (223) [system] arg(_418500, v('(', ')', end_of_file), j)
   Fail: (223) [system] arg(_419432, v('(', ')', end_of_file), j)
^  Fail: (222) [user] is_delimiter(j)
   Call: (222) [system] ')'==j
   Fail: (222) [system] ')'==j
   Call: (222) [system] get_char((0x55772f068e50), j)
   Exit: (222) [system] get_char((0x55772f068e50), j)
   Call: (222) [system] j=(\)
   Fail: (222) [system] j=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _426782)
   Call: (223) [system] peek_char((0x55772f068e50), _427716)
   Exit: (223) [system] peek_char((0x55772f068e50), u)
^  Call: (223) [user] is_delimiter(u)
   Call: (224) [system] char_type(u, space)
   Fail: (224) [system] char_type(u, space)
   Call: (224) [system] arg(_432436, v('(', ')', end_of_file), u)
   Fail: (224) [system] arg(_433368, v('(', ')', end_of_file), u)
^  Fail: (223) [user] is_delimiter(u)
   Call: (223) [system] ')'==u
   Fail: (223) [system] ')'==u
   Call: (223) [system] get_char((0x55772f068e50), u)
   Exit: (223) [system] get_char((0x55772f068e50), u)
   Call: (223) [system] u=(\)
   Fail: (223) [system] u=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _440718)
   Call: (224) [system] peek_char((0x55772f068e50), _441652)
   Exit: (224) [system] peek_char((0x55772f068e50), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_446372, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_447304, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x55772f068e50), n)
   Exit: (224) [system] get_char((0x55772f068e50), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _454654)
   Call: (225) [system] peek_char((0x55772f068e50), _455588)
   Exit: (225) [system] peek_char((0x55772f068e50), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Fail: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_460308, v('(', ')', end_of_file), c)
   Fail: (226) [system] arg(_461240, v('(', ')', end_of_file), c)
^  Fail: (225) [user] is_delimiter(c)
   Call: (225) [system] ')'==c
   Fail: (225) [system] ')'==c
   Call: (225) [system] get_char((0x55772f068e50), c)
   Exit: (225) [system] get_char((0x55772f068e50), c)
   Call: (225) [system] c=(\)
   Fail: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _468590)
   Call: (226) [system] peek_char((0x55772f068e50), _469524)
   Exit: (226) [system] peek_char((0x55772f068e50), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_474244, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_475176, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x55772f068e50), t)
   Exit: (226) [system] get_char((0x55772f068e50), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _482526)
   Call: (227) [system] peek_char((0x55772f068e50), _483460)
   Exit: (227) [system] peek_char((0x55772f068e50), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_488180, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_489112, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x55772f068e50), i)
   Exit: (227) [system] get_char((0x55772f068e50), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _496462)
   Call: (228) [system] peek_char((0x55772f068e50), _497396)
   Exit: (228) [system] peek_char((0x55772f068e50), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_502116, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_503048, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x55772f068e50), o)
   Exit: (228) [system] get_char((0x55772f068e50), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _510398)
   Call: (229) [system] peek_char((0x55772f068e50), _511332)
   Exit: (229) [system] peek_char((0x55772f068e50), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_516052, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_516984, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x55772f068e50), n)
   Exit: (229) [system] get_char((0x55772f068e50), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _524334)
   Call: (230) [system] peek_char((0x55772f068e50), _525268)
   Exit: (230) [system] peek_char((0x55772f068e50), 'I')
^  Call: (230) [user] is_delimiter('I')
   Call: (231) [system] char_type('I', space)
   Fail: (231) [system] char_type('I', space)
   Call: (231) [system] arg(_529988, v('(', ')', end_of_file), 'I')
   Fail: (231) [system] arg(_530920, v('(', ')', end_of_file), 'I')
^  Fail: (230) [user] is_delimiter('I')
   Call: (230) [system] ')'=='I'
   Fail: (230) [system] ')'=='I'
   Call: (230) [system] get_char((0x55772f068e50), 'I')
   Exit: (230) [system] get_char((0x55772f068e50), 'I')
   Call: (230) [system] 'I'=(\)
   Fail: (230) [system] 'I'=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _538270)
   Call: (231) [system] peek_char((0x55772f068e50), _539204)
   Exit: (231) [system] peek_char((0x55772f068e50), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_543924, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_544856, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x55772f068e50), n)
   Exit: (231) [system] get_char((0x55772f068e50), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _552206)
   Call: (232) [system] peek_char((0x55772f068e50), _553140)
   Exit: (232) [system] peek_char((0x55772f068e50), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_557860, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_558792, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x55772f068e50), t)
   Exit: (232) [system] get_char((0x55772f068e50), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _566142)
   Call: (233) [system] peek_char((0x55772f068e50), _567076)
   Exit: (233) [system] peek_char((0x55772f068e50), r)
^  Call: (233) [user] is_delimiter(r)
   Call: (234) [system] char_type(r, space)
   Fail: (234) [system] char_type(r, space)
   Call: (234) [system] arg(_571796, v('(', ')', end_of_file), r)
   Fail: (234) [system] arg(_572728, v('(', ')', end_of_file), r)
^  Fail: (233) [user] is_delimiter(r)
   Call: (233) [system] ')'==r
   Fail: (233) [system] ')'==r
   Call: (233) [system] get_char((0x55772f068e50), r)
   Exit: (233) [system] get_char((0x55772f068e50), r)
   Call: (233) [system] r=(\)
   Fail: (233) [system] r=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _580078)
   Call: (234) [system] peek_char((0x55772f068e50), _581012)
   Exit: (234) [system] peek_char((0x55772f068e50), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_585732, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_586664, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x55772f068e50), o)
   Exit: (234) [system] get_char((0x55772f068e50), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _594014)
   Call: (235) [system] peek_char((0x55772f068e50), _594948)
   Exit: (235) [system] peek_char((0x55772f068e50), d)
^  Call: (235) [user] is_delimiter(d)
   Call: (236) [system] char_type(d, space)
   Fail: (236) [system] char_type(d, space)
   Call: (236) [system] arg(_599668, v('(', ')', end_of_file), d)
   Fail: (236) [system] arg(_600600, v('(', ')', end_of_file), d)
^  Fail: (235) [user] is_delimiter(d)
   Call: (235) [system] ')'==d
   Fail: (235) [system] ')'==d
   Call: (235) [system] get_char((0x55772f068e50), d)
   Exit: (235) [system] get_char((0x55772f068e50), d)
   Call: (235) [system] d=(\)
   Fail: (235) [system] d=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _607950)
   Call: (236) [system] peek_char((0x55772f068e50), _608884)
   Exit: (236) [system] peek_char((0x55772f068e50), u)
^  Call: (236) [user] is_delimiter(u)
   Call: (237) [system] char_type(u, space)
   Fail: (237) [system] char_type(u, space)
   Call: (237) [system] arg(_613604, v('(', ')', end_of_file), u)
   Fail: (237) [system] arg(_614536, v('(', ')', end_of_file), u)
^  Fail: (236) [user] is_delimiter(u)
   Call: (236) [system] ')'==u
   Fail: (236) [system] ')'==u
   Call: (236) [system] get_char((0x55772f068e50), u)
   Exit: (236) [system] get_char((0x55772f068e50), u)
   Call: (236) [system] u=(\)
   Fail: (236) [system] u=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _621886)
   Call: (237) [system] peek_char((0x55772f068e50), _622820)
   Exit: (237) [system] peek_char((0x55772f068e50), c)
^  Call: (237) [user] is_delimiter(c)
   Call: (238) [system] char_type(c, space)
   Fail: (238) [system] char_type(c, space)
   Call: (238) [system] arg(_627540, v('(', ')', end_of_file), c)
   Fail: (238) [system] arg(_628472, v('(', ')', end_of_file), c)
^  Fail: (237) [user] is_delimiter(c)
   Call: (237) [system] ')'==c
   Fail: (237) [system] ')'==c
   Call: (237) [system] get_char((0x55772f068e50), c)
   Exit: (237) [system] get_char((0x55772f068e50), c)
   Call: (237) [system] c=(\)
   Fail: (237) [system] c=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _635822)
   Call: (238) [system] peek_char((0x55772f068e50), _636756)
   Exit: (238) [system] peek_char((0x55772f068e50), t)
^  Call: (238) [user] is_delimiter(t)
   Call: (239) [system] char_type(t, space)
   Fail: (239) [system] char_type(t, space)
   Call: (239) [system] arg(_641476, v('(', ')', end_of_file), t)
   Fail: (239) [system] arg(_642408, v('(', ')', end_of_file), t)
^  Fail: (238) [user] is_delimiter(t)
   Call: (238) [system] ')'==t
   Fail: (238) [system] ')'==t
   Call: (238) [system] get_char((0x55772f068e50), t)
   Exit: (238) [system] get_char((0x55772f068e50), t)
   Call: (238) [system] t=(\)
   Fail: (238) [system] t=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _649758)
   Call: (239) [system] peek_char((0x55772f068e50), _650692)
   Exit: (239) [system] peek_char((0x55772f068e50), i)
^  Call: (239) [user] is_delimiter(i)
   Call: (240) [system] char_type(i, space)
   Fail: (240) [system] char_type(i, space)
   Call: (240) [system] arg(_655412, v('(', ')', end_of_file), i)
   Fail: (240) [system] arg(_656344, v('(', ')', end_of_file), i)
^  Fail: (239) [user] is_delimiter(i)
   Call: (239) [system] ')'==i
   Fail: (239) [system] ')'==i
   Call: (239) [system] get_char((0x55772f068e50), i)
   Exit: (239) [system] get_char((0x55772f068e50), i)
   Call: (239) [system] i=(\)
   Fail: (239) [system] i=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _663694)
   Call: (240) [system] peek_char((0x55772f068e50), _664628)
   Exit: (240) [system] peek_char((0x55772f068e50), o)
^  Call: (240) [user] is_delimiter(o)
   Call: (241) [system] char_type(o, space)
   Fail: (241) [system] char_type(o, space)
   Call: (241) [system] arg(_669348, v('(', ')', end_of_file), o)
   Fail: (241) [system] arg(_670280, v('(', ')', end_of_file), o)
^  Fail: (240) [user] is_delimiter(o)
   Call: (240) [system] ')'==o
   Fail: (240) [system] ')'==o
   Call: (240) [system] get_char((0x55772f068e50), o)
   Exit: (240) [system] get_char((0x55772f068e50), o)
   Call: (240) [system] o=(\)
   Fail: (240) [system] o=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _677630)
   Call: (241) [system] peek_char((0x55772f068e50), _678564)
   Exit: (241) [system] peek_char((0x55772f068e50), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Fail: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_683284, v('(', ')', end_of_file), n)
   Fail: (242) [system] arg(_684216, v('(', ')', end_of_file), n)
^  Fail: (241) [user] is_delimiter(n)
   Call: (241) [system] ')'==n
   Fail: (241) [system] ')'==n
   Call: (241) [system] get_char((0x55772f068e50), n)
   Exit: (241) [system] get_char((0x55772f068e50), n)
   Call: (241) [system] n=(\)
   Fail: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x55772f068e50), _691566)
   Call: (242) [system] peek_char((0x55772f068e50), _692500)
   Exit: (242) [system] peek_char((0x55772f068e50), ' ')
^  Call: (242) [user] is_delimiter(' ')
   Call: (243) [system] char_type(' ', space)
   Exit: (243) [system] char_type(' ', space)
^  Exit: (242) [user] is_delimiter(' ')
   Call: (242) [system] _691566=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (241) [system] _677630=[n]
   Exit: (241) [system] [n]=[n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (240) [system] _663694=[o, n]
   Exit: (240) [system] [o, n]=[o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (239) [system] _649758=[i, o, n]
   Exit: (239) [system] [i, o, n]=[i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (238) [system] _635822=[t, i, o, n]
   Exit: (238) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (237) [system] _621886=[c, t, i, o, n]
   Exit: (237) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (236) [system] _607950=[u, c, t, i, o, n]
   Exit: (236) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (235) [system] _594014=[d, u, c, t, i, o, n]
   Exit: (235) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (234) [system] _580078=[o, d, u, c, t, i, o, n]
   Exit: (234) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (233) [system] _566142=[r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _552206=[t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _538270=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _524334=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _510398=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _496462=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _482526=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _468590=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _454654=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _440718=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _426782=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _412846=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _398910=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _384974=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (219) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _349464)
^  Call: (220) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _763252)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_764204, _764206), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _763252), _764186, fail)), '$restore_trace'(_764204, _764206))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_764204, _764206))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _763252), _764186, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_763252)
   Fail: (221) [system] atomic(_763252)
   Call: (221) [system] atom_chars(_763252, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (221) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (220) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (220) [system] integer('DisjunctionIntroduction')
   Fail: (220) [system] integer('DisjunctionIntroduction')
   Call: (220) [system] _349464='DisjunctionIntroduction'
   Exit: (220) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (219) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (218) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (217) [user] read_list(')', (0x55772f068e50), _778202)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _780060)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x55772f068e50), _789654)
   Exit: (219) [system] get_char((0x55772f068e50), ' ')
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _792358)
   Exit: (220) [system] peek_char((0x55772f068e50), a)
   Call: (220) [system] a=(;)
   Fail: (220) [system] a=(;)
   Call: (220) [system] a=(/)
   Fail: (220) [system] a=(/)
^  Call: (220) [user] is_like_space(a)
   Call: (221) [system] char_type(a, 'white')
   Fail: (221) [system] char_type(a, 'white')
   Call: (221) [system] char_type(a, end_of_line)
   Fail: (221) [system] char_type(a, end_of_line)
   Call: (221) [system] char_type(a, space)
   Fail: (221) [system] char_type(a, space)
   Call: (221) [system] char_type(a, cntrl)
   Fail: (221) [system] char_type(a, cntrl)
^  Fail: (220) [user] is_like_space(a)
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _809292)
   Exit: (218) [system] peek_char((0x55772f068e50), a)
   Call: (218) [system] a=')'
   Fail: (218) [system] a=')'
   Call: (218) [system] a=end_of_file
   Fail: (218) [system] a=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _814862)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _816720)
   Exit: (220) [system] peek_char((0x55772f068e50), a)
   Call: (220) [system] a=(;)
   Fail: (220) [system] a=(;)
   Call: (220) [system] a=(/)
   Fail: (220) [system] a=(/)
^  Call: (220) [user] is_like_space(a)
   Call: (221) [system] char_type(a, 'white')
   Fail: (221) [system] char_type(a, 'white')
   Call: (221) [system] char_type(a, end_of_line)
   Fail: (221) [system] char_type(a, end_of_line)
   Call: (221) [system] char_type(a, space)
   Fail: (221) [system] char_type(a, space)
   Call: (221) [system] char_type(a, cntrl)
   Fail: (221) [system] char_type(a, cntrl)
^  Fail: (220) [user] is_like_space(a)
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _832730)
   Exit: (219) [system] get_char((0x55772f068e50), a)
   Call: (219) [system] a='('
   Fail: (219) [system] a='('
   Call: (219) [system] a='['
   Fail: (219) [system] a='['
   Call: (219) [system] a='{'
   Fail: (219) [system] a='{'
   Call: (219) [system] a='"'
   Fail: (219) [system] a='"'
   Call: (219) [system] a=!
   Fail: (219) [system] a=!
   Call: (219) [system] a='\''
   Fail: (219) [system] a='\''
   Call: (219) [system] a='`'
   Fail: (219) [system] a='`'
   Call: (219) [system] a=end_of_file
   Fail: (219) [system] a=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x55772f068e50), a, _814862)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _850372)
   Call: (221) [system] peek_char((0x55772f068e50), _851306)
   Exit: (221) [system] peek_char((0x55772f068e50), b)
^  Call: (221) [user] is_delimiter(b)
   Call: (222) [system] char_type(b, space)
   Fail: (222) [system] char_type(b, space)
   Call: (222) [system] arg(_856026, v('(', ')', end_of_file), b)
   Fail: (222) [system] arg(_856958, v('(', ')', end_of_file), b)
^  Fail: (221) [user] is_delimiter(b)
   Call: (221) [system] ')'==b
   Fail: (221) [system] ')'==b
   Call: (221) [system] get_char((0x55772f068e50), b)
   Exit: (221) [system] get_char((0x55772f068e50), b)
   Call: (221) [system] b=(\)
   Fail: (221) [system] b=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _864308)
   Call: (222) [system] peek_char((0x55772f068e50), _865242)
   Exit: (222) [system] peek_char((0x55772f068e50), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_869962, v('(', ')', end_of_file), c)
   Fail: (223) [system] arg(_870894, v('(', ')', end_of_file), c)
^  Fail: (222) [user] is_delimiter(c)
   Call: (222) [system] ')'==c
   Fail: (222) [system] ')'==c
   Call: (222) [system] get_char((0x55772f068e50), c)
   Exit: (222) [system] get_char((0x55772f068e50), c)
   Call: (222) [system] c=(\)
   Fail: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _878244)
   Call: (223) [system] peek_char((0x55772f068e50), _879178)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _878244=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (222) [system] _864308=[c]
   Exit: (222) [system] [c]=[c]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (221) [system] _850372=[b, c]
   Exit: (221) [system] [b, c]=[b, c]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (220) [user] classify_and_convert_charseq([a, b, c], _814862)
^  Call: (221) [user] classify_and_convert_charseq_([a, b, c], _894050)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_895002, _895004), once(user:catch(read_from_chars([a, b, c], _894050), _894984, fail)), '$restore_trace'(_895002, _895004))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_895002, _895004))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _894984, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(abc)
   Exit: (222) [system] atomic(abc)
^  Exit: (221) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (221) [system] integer(abc)
   Fail: (221) [system] integer(abc)
   Call: (221) [system] _814862=abc
   Exit: (221) [system] abc=abc
^  Exit: (220) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (219) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (218) [user] read_list(')', (0x55772f068e50), _907130)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _908988)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x55772f068e50), _918582)
   Exit: (220) [system] get_char((0x55772f068e50), ' ')
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _921286)
   Exit: (221) [system] peek_char((0x55772f068e50), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _938220)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _943790)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _945648)
   Exit: (221) [system] peek_char((0x55772f068e50), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _961658)
   Exit: (220) [system] get_char((0x55772f068e50), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x55772f068e50), _943790)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _967228)
   Exit: (222) [system] peek_char((0x55772f068e50), 'D')
   Call: (222) [system] 'D'=(;)
   Fail: (222) [system] 'D'=(;)
   Call: (222) [system] 'D'=(/)
   Fail: (222) [system] 'D'=(/)
^  Call: (222) [user] is_like_space('D')
   Call: (223) [system] char_type('D', 'white')
   Fail: (223) [system] char_type('D', 'white')
   Call: (223) [system] char_type('D', end_of_line)
   Fail: (223) [system] char_type('D', end_of_line)
   Call: (223) [system] char_type('D', space)
   Fail: (223) [system] char_type('D', space)
   Call: (223) [system] char_type('D', cntrl)
   Fail: (223) [system] char_type('D', cntrl)
^  Fail: (222) [user] is_like_space('D')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _983238)
   Exit: (221) [system] peek_char((0x55772f068e50), 'D')
   Call: (221) [system] 'D'=')'
   Fail: (221) [system] 'D'=')'
   Call: (221) [system] 'D'=end_of_file
   Fail: (221) [system] 'D'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _988808)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _990666)
   Exit: (223) [system] peek_char((0x55772f068e50), 'D')
   Call: (223) [system] 'D'=(;)
   Fail: (223) [system] 'D'=(;)
   Call: (223) [system] 'D'=(/)
   Fail: (223) [system] 'D'=(/)
^  Call: (223) [user] is_like_space('D')
   Call: (224) [system] char_type('D', 'white')
   Fail: (224) [system] char_type('D', 'white')
   Call: (224) [system] char_type('D', end_of_line)
   Fail: (224) [system] char_type('D', end_of_line)
   Call: (224) [system] char_type('D', space)
   Fail: (224) [system] char_type('D', space)
   Call: (224) [system] char_type('D', cntrl)
   Fail: (224) [system] char_type('D', cntrl)
^  Fail: (223) [user] is_like_space('D')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _1006676)
   Exit: (222) [system] get_char((0x55772f068e50), 'D')
   Call: (222) [system] 'D'='('
   Fail: (222) [system] 'D'='('
   Call: (222) [system] 'D'='['
   Fail: (222) [system] 'D'='['
   Call: (222) [system] 'D'='{'
   Fail: (222) [system] 'D'='{'
   Call: (222) [system] 'D'='"'
   Fail: (222) [system] 'D'='"'
   Call: (222) [system] 'D'=!
   Fail: (222) [system] 'D'=!
   Call: (222) [system] 'D'='\''
   Fail: (222) [system] 'D'='\''
   Call: (222) [system] 'D'='`'
   Fail: (222) [system] 'D'='`'
   Call: (222) [system] 'D'=end_of_file
   Fail: (222) [system] 'D'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x55772f068e50), 'D', _988808)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1024318)
   Call: (224) [system] peek_char((0x55772f068e50), _1025252)
   Exit: (224) [system] peek_char((0x55772f068e50), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_1029972, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_1030904, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x55772f068e50), i)
   Exit: (224) [system] get_char((0x55772f068e50), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1038254)
   Call: (225) [system] peek_char((0x55772f068e50), _1039188)
   Exit: (225) [system] peek_char((0x55772f068e50), s)
^  Call: (225) [user] is_delimiter(s)
   Call: (226) [system] char_type(s, space)
   Fail: (226) [system] char_type(s, space)
   Call: (226) [system] arg(_1043908, v('(', ')', end_of_file), s)
   Fail: (226) [system] arg(_1044840, v('(', ')', end_of_file), s)
^  Fail: (225) [user] is_delimiter(s)
   Call: (225) [system] ')'==s
   Fail: (225) [system] ')'==s
   Call: (225) [system] get_char((0x55772f068e50), s)
   Exit: (225) [system] get_char((0x55772f068e50), s)
   Call: (225) [system] s=(\)
   Fail: (225) [system] s=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1052190)
   Call: (226) [system] peek_char((0x55772f068e50), _1053124)
   Exit: (226) [system] peek_char((0x55772f068e50), j)
^  Call: (226) [user] is_delimiter(j)
   Call: (227) [system] char_type(j, space)
   Fail: (227) [system] char_type(j, space)
   Call: (227) [system] arg(_1057844, v('(', ')', end_of_file), j)
   Fail: (227) [system] arg(_1058776, v('(', ')', end_of_file), j)
^  Fail: (226) [user] is_delimiter(j)
   Call: (226) [system] ')'==j
   Fail: (226) [system] ')'==j
   Call: (226) [system] get_char((0x55772f068e50), j)
   Exit: (226) [system] get_char((0x55772f068e50), j)
   Call: (226) [system] j=(\)
   Fail: (226) [system] j=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1066126)
   Call: (227) [system] peek_char((0x55772f068e50), _1067060)
   Exit: (227) [system] peek_char((0x55772f068e50), u)
^  Call: (227) [user] is_delimiter(u)
   Call: (228) [system] char_type(u, space)
   Fail: (228) [system] char_type(u, space)
   Call: (228) [system] arg(_1071780, v('(', ')', end_of_file), u)
   Fail: (228) [system] arg(_1072712, v('(', ')', end_of_file), u)
^  Fail: (227) [user] is_delimiter(u)
   Call: (227) [system] ')'==u
   Fail: (227) [system] ')'==u
   Call: (227) [system] get_char((0x55772f068e50), u)
   Exit: (227) [system] get_char((0x55772f068e50), u)
   Call: (227) [system] u=(\)
   Fail: (227) [system] u=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1080062)
   Call: (228) [system] peek_char((0x55772f068e50), _1080996)
   Exit: (228) [system] peek_char((0x55772f068e50), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_1085716, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_1086648, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x55772f068e50), n)
   Exit: (228) [system] get_char((0x55772f068e50), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1093998)
   Call: (229) [system] peek_char((0x55772f068e50), _1094932)
   Exit: (229) [system] peek_char((0x55772f068e50), c)
^  Call: (229) [user] is_delimiter(c)
   Call: (230) [system] char_type(c, space)
   Fail: (230) [system] char_type(c, space)
   Call: (230) [system] arg(_1099652, v('(', ')', end_of_file), c)
   Fail: (230) [system] arg(_1100584, v('(', ')', end_of_file), c)
^  Fail: (229) [user] is_delimiter(c)
   Call: (229) [system] ')'==c
   Fail: (229) [system] ')'==c
   Call: (229) [system] get_char((0x55772f068e50), c)
   Exit: (229) [system] get_char((0x55772f068e50), c)
   Call: (229) [system] c=(\)
   Fail: (229) [system] c=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1107934)
   Call: (230) [system] peek_char((0x55772f068e50), _1108868)
   Exit: (230) [system] peek_char((0x55772f068e50), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_1113588, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_1114520, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x55772f068e50), t)
   Exit: (230) [system] get_char((0x55772f068e50), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1121870)
   Call: (231) [system] peek_char((0x55772f068e50), _1122804)
   Exit: (231) [system] peek_char((0x55772f068e50), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1127524, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_1128456, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x55772f068e50), i)
   Exit: (231) [system] get_char((0x55772f068e50), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1135806)
   Call: (232) [system] peek_char((0x55772f068e50), _1136740)
   Exit: (232) [system] peek_char((0x55772f068e50), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_1141460, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_1142392, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x55772f068e50), o)
   Exit: (232) [system] get_char((0x55772f068e50), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1149742)
   Call: (233) [system] peek_char((0x55772f068e50), _1150676)
   Exit: (233) [system] peek_char((0x55772f068e50), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1155396, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_1156328, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x55772f068e50), n)
   Exit: (233) [system] get_char((0x55772f068e50), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1163678)
   Call: (234) [system] peek_char((0x55772f068e50), _1164612)
   Exit: (234) [system] peek_char((0x55772f068e50), 'I')
^  Call: (234) [user] is_delimiter('I')
   Call: (235) [system] char_type('I', space)
   Fail: (235) [system] char_type('I', space)
   Call: (235) [system] arg(_1169332, v('(', ')', end_of_file), 'I')
   Fail: (235) [system] arg(_1170264, v('(', ')', end_of_file), 'I')
^  Fail: (234) [user] is_delimiter('I')
   Call: (234) [system] ')'=='I'
   Fail: (234) [system] ')'=='I'
   Call: (234) [system] get_char((0x55772f068e50), 'I')
   Exit: (234) [system] get_char((0x55772f068e50), 'I')
   Call: (234) [system] 'I'=(\)
   Fail: (234) [system] 'I'=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1177614)
   Call: (235) [system] peek_char((0x55772f068e50), _1178548)
   Exit: (235) [system] peek_char((0x55772f068e50), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_1183268, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_1184200, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x55772f068e50), n)
   Exit: (235) [system] get_char((0x55772f068e50), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1191550)
   Call: (236) [system] peek_char((0x55772f068e50), _1192484)
   Exit: (236) [system] peek_char((0x55772f068e50), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Fail: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_1197204, v('(', ')', end_of_file), t)
   Fail: (237) [system] arg(_1198136, v('(', ')', end_of_file), t)
^  Fail: (236) [user] is_delimiter(t)
   Call: (236) [system] ')'==t
   Fail: (236) [system] ')'==t
   Call: (236) [system] get_char((0x55772f068e50), t)
   Exit: (236) [system] get_char((0x55772f068e50), t)
   Call: (236) [system] t=(\)
   Fail: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1205486)
   Call: (237) [system] peek_char((0x55772f068e50), _1206420)
   Exit: (237) [system] peek_char((0x55772f068e50), r)
^  Call: (237) [user] is_delimiter(r)
   Call: (238) [system] char_type(r, space)
   Fail: (238) [system] char_type(r, space)
   Call: (238) [system] arg(_1211140, v('(', ')', end_of_file), r)
   Fail: (238) [system] arg(_1212072, v('(', ')', end_of_file), r)
^  Fail: (237) [user] is_delimiter(r)
   Call: (237) [system] ')'==r
   Fail: (237) [system] ')'==r
   Call: (237) [system] get_char((0x55772f068e50), r)
   Exit: (237) [system] get_char((0x55772f068e50), r)
   Call: (237) [system] r=(\)
   Fail: (237) [system] r=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _1219422)
   Call: (238) [system] peek_char((0x55772f068e50), _1220356)
   Exit: (238) [system] peek_char((0x55772f068e50), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Fail: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_1225076, v('(', ')', end_of_file), o)
   Fail: (239) [system] arg(_1226008, v('(', ')', end_of_file), o)
^  Fail: (238) [user] is_delimiter(o)
   Call: (238) [system] ')'==o
   Fail: (238) [system] ')'==o
   Call: (238) [system] get_char((0x55772f068e50), o)
   Exit: (238) [system] get_char((0x55772f068e50), o)
   Call: (238) [system] o=(\)
   Fail: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _1233358)
   Call: (239) [system] peek_char((0x55772f068e50), _1234292)
   Exit: (239) [system] peek_char((0x55772f068e50), d)
^  Call: (239) [user] is_delimiter(d)
   Call: (240) [system] char_type(d, space)
   Fail: (240) [system] char_type(d, space)
   Call: (240) [system] arg(_1239012, v('(', ')', end_of_file), d)
   Fail: (240) [system] arg(_1239944, v('(', ')', end_of_file), d)
^  Fail: (239) [user] is_delimiter(d)
   Call: (239) [system] ')'==d
   Fail: (239) [system] ')'==d
   Call: (239) [system] get_char((0x55772f068e50), d)
   Exit: (239) [system] get_char((0x55772f068e50), d)
   Call: (239) [system] d=(\)
   Fail: (239) [system] d=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _1247294)
   Call: (240) [system] peek_char((0x55772f068e50), _1248228)
   Exit: (240) [system] peek_char((0x55772f068e50), u)
^  Call: (240) [user] is_delimiter(u)
   Call: (241) [system] char_type(u, space)
   Fail: (241) [system] char_type(u, space)
   Call: (241) [system] arg(_1252948, v('(', ')', end_of_file), u)
   Fail: (241) [system] arg(_1253880, v('(', ')', end_of_file), u)
^  Fail: (240) [user] is_delimiter(u)
   Call: (240) [system] ')'==u
   Fail: (240) [system] ')'==u
   Call: (240) [system] get_char((0x55772f068e50), u)
   Exit: (240) [system] get_char((0x55772f068e50), u)
   Call: (240) [system] u=(\)
   Fail: (240) [system] u=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _1261230)
   Call: (241) [system] peek_char((0x55772f068e50), _1262164)
   Exit: (241) [system] peek_char((0x55772f068e50), c)
^  Call: (241) [user] is_delimiter(c)
   Call: (242) [system] char_type(c, space)
   Fail: (242) [system] char_type(c, space)
   Call: (242) [system] arg(_1266884, v('(', ')', end_of_file), c)
   Fail: (242) [system] arg(_1267816, v('(', ')', end_of_file), c)
^  Fail: (241) [user] is_delimiter(c)
   Call: (241) [system] ')'==c
   Fail: (241) [system] ')'==c
   Call: (241) [system] get_char((0x55772f068e50), c)
   Exit: (241) [system] get_char((0x55772f068e50), c)
   Call: (241) [system] c=(\)
   Fail: (241) [system] c=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x55772f068e50), _1275166)
   Call: (242) [system] peek_char((0x55772f068e50), _1276100)
   Exit: (242) [system] peek_char((0x55772f068e50), t)
^  Call: (242) [user] is_delimiter(t)
   Call: (243) [system] char_type(t, space)
   Fail: (243) [system] char_type(t, space)
   Call: (243) [system] arg(_1280820, v('(', ')', end_of_file), t)
   Fail: (243) [system] arg(_1281752, v('(', ')', end_of_file), t)
^  Fail: (242) [user] is_delimiter(t)
   Call: (242) [system] ')'==t
   Fail: (242) [system] ')'==t
   Call: (242) [system] get_char((0x55772f068e50), t)
   Exit: (242) [system] get_char((0x55772f068e50), t)
   Call: (242) [system] t=(\)
   Fail: (242) [system] t=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x55772f068e50), _1289102)
   Call: (243) [system] peek_char((0x55772f068e50), _1290036)
   Exit: (243) [system] peek_char((0x55772f068e50), i)
^  Call: (243) [user] is_delimiter(i)
   Call: (244) [system] char_type(i, space)
   Fail: (244) [system] char_type(i, space)
   Call: (244) [system] arg(_1294756, v('(', ')', end_of_file), i)
   Fail: (244) [system] arg(_1295688, v('(', ')', end_of_file), i)
^  Fail: (243) [user] is_delimiter(i)
   Call: (243) [system] ')'==i
   Fail: (243) [system] ')'==i
   Call: (243) [system] get_char((0x55772f068e50), i)
   Exit: (243) [system] get_char((0x55772f068e50), i)
   Call: (243) [system] i=(\)
   Fail: (243) [system] i=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x55772f068e50), _1303038)
   Call: (244) [system] peek_char((0x55772f068e50), _1303972)
   Exit: (244) [system] peek_char((0x55772f068e50), o)
^  Call: (244) [user] is_delimiter(o)
   Call: (245) [system] char_type(o, space)
   Fail: (245) [system] char_type(o, space)
   Call: (245) [system] arg(_1308692, v('(', ')', end_of_file), o)
   Fail: (245) [system] arg(_1309624, v('(', ')', end_of_file), o)
^  Fail: (244) [user] is_delimiter(o)
   Call: (244) [system] ')'==o
   Fail: (244) [system] ')'==o
   Call: (244) [system] get_char((0x55772f068e50), o)
   Exit: (244) [system] get_char((0x55772f068e50), o)
   Call: (244) [system] o=(\)
   Fail: (244) [system] o=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x55772f068e50), _1316974)
   Call: (245) [system] peek_char((0x55772f068e50), _1317908)
   Exit: (245) [system] peek_char((0x55772f068e50), n)
^  Call: (245) [user] is_delimiter(n)
   Call: (246) [system] char_type(n, space)
   Fail: (246) [system] char_type(n, space)
   Call: (246) [system] arg(_1322628, v('(', ')', end_of_file), n)
   Fail: (246) [system] arg(_1323560, v('(', ')', end_of_file), n)
^  Fail: (245) [user] is_delimiter(n)
   Call: (245) [system] ')'==n
   Fail: (245) [system] ')'==n
   Call: (245) [system] get_char((0x55772f068e50), n)
   Exit: (245) [system] get_char((0x55772f068e50), n)
   Call: (245) [system] n=(\)
   Fail: (245) [system] n=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x55772f068e50), _1330910)
   Call: (246) [system] peek_char((0x55772f068e50), _1331844)
   Exit: (246) [system] peek_char((0x55772f068e50), ' ')
^  Call: (246) [user] is_delimiter(' ')
   Call: (247) [system] char_type(' ', space)
   Exit: (247) [system] char_type(' ', space)
^  Exit: (246) [user] is_delimiter(' ')
   Call: (246) [system] _1330910=[]
   Exit: (246) [system] []=[]
^  Exit: (245) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (245) [system] _1316974=[n]
   Exit: (245) [system] [n]=[n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (244) [system] _1303038=[o, n]
   Exit: (244) [system] [o, n]=[o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (243) [system] _1289102=[i, o, n]
   Exit: (243) [system] [i, o, n]=[i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (242) [system] _1275166=[t, i, o, n]
   Exit: (242) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (241) [system] _1261230=[c, t, i, o, n]
   Exit: (241) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (240) [system] _1247294=[u, c, t, i, o, n]
   Exit: (240) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (239) [system] _1233358=[d, u, c, t, i, o, n]
   Exit: (239) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (238) [system] _1219422=[o, d, u, c, t, i, o, n]
   Exit: (238) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (237) [system] _1205486=[r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1191550=[t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1177614=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1163678=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1149742=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1135806=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1121870=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1107934=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1093998=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1080062=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1066126=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1052190=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1038254=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1024318=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (223) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _988808)
^  Call: (224) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1402596)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1403548, _1403550), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1402596), _1403530, fail)), '$restore_trace'(_1403548, _1403550))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1403548, _1403550))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1402596), _1403530, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1402596)
   Fail: (225) [system] atomic(_1402596)
   Call: (225) [system] atom_chars(_1402596, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (225) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (224) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (224) [system] integer('DisjunctionIntroduction')
   Fail: (224) [system] integer('DisjunctionIntroduction')
   Call: (224) [system] _988808='DisjunctionIntroduction'
   Exit: (224) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (223) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (222) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (221) [user] read_list(')', (0x55772f068e50), _1417546)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1419404)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x55772f068e50), _1428998)
   Exit: (223) [system] get_char((0x55772f068e50), ' ')
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1431702)
   Exit: (224) [system] peek_char((0x55772f068e50), c)
   Call: (224) [system] c=(;)
   Fail: (224) [system] c=(;)
   Call: (224) [system] c=(/)
   Fail: (224) [system] c=(/)
^  Call: (224) [user] is_like_space(c)
   Call: (225) [system] char_type(c, 'white')
   Fail: (225) [system] char_type(c, 'white')
   Call: (225) [system] char_type(c, end_of_line)
   Fail: (225) [system] char_type(c, end_of_line)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] char_type(c, cntrl)
   Fail: (225) [system] char_type(c, cntrl)
^  Fail: (224) [user] is_like_space(c)
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1448636)
   Exit: (222) [system] peek_char((0x55772f068e50), c)
   Call: (222) [system] c=')'
   Fail: (222) [system] c=')'
   Call: (222) [system] c=end_of_file
   Fail: (222) [system] c=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _1454206)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1456064)
   Exit: (224) [system] peek_char((0x55772f068e50), c)
   Call: (224) [system] c=(;)
   Fail: (224) [system] c=(;)
   Call: (224) [system] c=(/)
   Fail: (224) [system] c=(/)
^  Call: (224) [user] is_like_space(c)
   Call: (225) [system] char_type(c, 'white')
   Fail: (225) [system] char_type(c, 'white')
   Call: (225) [system] char_type(c, end_of_line)
   Fail: (225) [system] char_type(c, end_of_line)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] char_type(c, cntrl)
   Fail: (225) [system] char_type(c, cntrl)
^  Fail: (224) [user] is_like_space(c)
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _1472074)
   Exit: (223) [system] get_char((0x55772f068e50), c)
   Call: (223) [system] c='('
   Fail: (223) [system] c='('
   Call: (223) [system] c='['
   Fail: (223) [system] c='['
   Call: (223) [system] c='{'
   Fail: (223) [system] c='{'
   Call: (223) [system] c='"'
   Fail: (223) [system] c='"'
   Call: (223) [system] c=!
   Fail: (223) [system] c=!
   Call: (223) [system] c='\''
   Fail: (223) [system] c='\''
   Call: (223) [system] c='`'
   Fail: (223) [system] c='`'
   Call: (223) [system] c=end_of_file
   Fail: (223) [system] c=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x55772f068e50), c, _1454206)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1489716)
   Call: (225) [system] peek_char((0x55772f068e50), _1490650)
   Exit: (225) [system] peek_char((0x55772f068e50), d)
^  Call: (225) [user] is_delimiter(d)
   Call: (226) [system] char_type(d, space)
   Fail: (226) [system] char_type(d, space)
   Call: (226) [system] arg(_1495370, v('(', ')', end_of_file), d)
   Fail: (226) [system] arg(_1496302, v('(', ')', end_of_file), d)
^  Fail: (225) [user] is_delimiter(d)
   Call: (225) [system] ')'==d
   Fail: (225) [system] ')'==d
   Call: (225) [system] get_char((0x55772f068e50), d)
   Exit: (225) [system] get_char((0x55772f068e50), d)
   Call: (225) [system] d=(\)
   Fail: (225) [system] d=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1503652)
   Call: (226) [system] peek_char((0x55772f068e50), _1504586)
   Exit: (226) [system] peek_char((0x55772f068e50), e)
^  Call: (226) [user] is_delimiter(e)
   Call: (227) [system] char_type(e, space)
   Fail: (227) [system] char_type(e, space)
   Call: (227) [system] arg(_1509306, v('(', ')', end_of_file), e)
   Fail: (227) [system] arg(_1510238, v('(', ')', end_of_file), e)
^  Fail: (226) [user] is_delimiter(e)
   Call: (226) [system] ')'==e
   Fail: (226) [system] ')'==e
   Call: (226) [system] get_char((0x55772f068e50), e)
   Exit: (226) [system] get_char((0x55772f068e50), e)
   Call: (226) [system] e=(\)
   Fail: (226) [system] e=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1517588)
   Call: (227) [system] peek_char((0x55772f068e50), _1518522)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1517588=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (226) [system] _1503652=[e]
   Exit: (226) [system] [e]=[e]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (225) [system] _1489716=[d, e]
   Exit: (225) [system] [d, e]=[d, e]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [d, e])
^  Call: (224) [user] classify_and_convert_charseq([c, d, e], _1454206)
^  Call: (225) [user] classify_and_convert_charseq_([c, d, e], _1533394)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1534346, _1534348), once(user:catch(read_from_chars([c, d, e], _1533394), _1534328, fail)), '$restore_trace'(_1534346, _1534348))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1534346, _1534348))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1534328, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(cde)
   Exit: (226) [system] atomic(cde)
^  Exit: (225) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (225) [system] integer(cde)
   Fail: (225) [system] integer(cde)
   Call: (225) [system] _1454206=cde
   Exit: (225) [system] cde=cde
^  Exit: (224) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (223) [user] read_symbolic(')', (0x55772f068e50), c, cde)
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), cde)
^  Call: (222) [user] read_list(')', (0x55772f068e50), _1546474)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1548332)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x55772f068e50), _1557926)
   Exit: (224) [system] get_char((0x55772f068e50), ' ')
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1560630)
   Exit: (225) [system] peek_char((0x55772f068e50), a)
   Call: (225) [system] a=(;)
   Fail: (225) [system] a=(;)
   Call: (225) [system] a=(/)
   Fail: (225) [system] a=(/)
^  Call: (225) [user] is_like_space(a)
   Call: (226) [system] char_type(a, 'white')
   Fail: (226) [system] char_type(a, 'white')
   Call: (226) [system] char_type(a, end_of_line)
   Fail: (226) [system] char_type(a, end_of_line)
   Call: (226) [system] char_type(a, space)
   Fail: (226) [system] char_type(a, space)
   Call: (226) [system] char_type(a, cntrl)
   Fail: (226) [system] char_type(a, cntrl)
^  Fail: (225) [user] is_like_space(a)
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1577564)
   Exit: (223) [system] peek_char((0x55772f068e50), a)
   Call: (223) [system] a=')'
   Fail: (223) [system] a=')'
   Call: (223) [system] a=end_of_file
   Fail: (223) [system] a=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x55772f068e50), _1583134)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1584992)
   Exit: (225) [system] peek_char((0x55772f068e50), a)
   Call: (225) [system] a=(;)
   Fail: (225) [system] a=(;)
   Call: (225) [system] a=(/)
   Fail: (225) [system] a=(/)
^  Call: (225) [user] is_like_space(a)
   Call: (226) [system] char_type(a, 'white')
   Fail: (226) [system] char_type(a, 'white')
   Call: (226) [system] char_type(a, end_of_line)
   Fail: (226) [system] char_type(a, end_of_line)
   Call: (226) [system] char_type(a, space)
   Fail: (226) [system] char_type(a, space)
   Call: (226) [system] char_type(a, cntrl)
   Fail: (226) [system] char_type(a, cntrl)
^  Fail: (225) [user] is_like_space(a)
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] get_char((0x55772f068e50), _1601002)
   Exit: (224) [system] get_char((0x55772f068e50), a)
   Call: (224) [system] a='('
   Fail: (224) [system] a='('
   Call: (224) [system] a='['
   Fail: (224) [system] a='['
   Call: (224) [system] a='{'
   Fail: (224) [system] a='{'
   Call: (224) [system] a='"'
   Fail: (224) [system] a='"'
   Call: (224) [system] a=!
   Fail: (224) [system] a=!
   Call: (224) [system] a='\''
   Fail: (224) [system] a='\''
   Call: (224) [system] a='`'
   Fail: (224) [system] a='`'
   Call: (224) [system] a=end_of_file
   Fail: (224) [system] a=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x55772f068e50), a, _1583134)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1618644)
   Call: (226) [system] peek_char((0x55772f068e50), _1619578)
   Exit: (226) [system] peek_char((0x55772f068e50), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_1624298, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _1618644=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (225) [user] classify_and_convert_charseq([a], _1583134)
^  Call: (226) [user] classify_and_convert_charseq_([a], _1630734)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1631686, _1631688), once(user:catch(read_from_chars([a], _1630734), _1631668, fail)), '$restore_trace'(_1631686, _1631688))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1631686, _1631688))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1631668, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(a)
   Exit: (227) [system] atomic(a)
^  Exit: (226) [user] classify_and_convert_charseq_([a], a)
   Call: (226) [system] integer(a)
   Fail: (226) [system] integer(a)
   Call: (226) [system] _1583134=a
   Exit: (226) [system] a=a
^  Exit: (225) [user] classify_and_convert_charseq([a], a)
^  Exit: (224) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (223) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (223) [user] read_list(')', (0x55772f068e50), _1643814)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1645672)
   Exit: (225) [system] peek_char((0x55772f068e50), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
   Call: (225) [system] ')'=(/)
   Fail: (225) [system] ')'=(/)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1661682)
   Exit: (224) [system] peek_char((0x55772f068e50), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x55772f068e50), _1665472)
   Exit: (224) [system] get_char((0x55772f068e50), ')')
   Call: (224) [system] _1643814=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x55772f068e50), [])
   Call: (223) [system] _1546474=[a]
   Exit: (223) [system] [a]=[a]
^  Exit: (222) [user] read_list(')', (0x55772f068e50), [a])
   Call: (222) [system] _1417546=[cde, a]
   Exit: (222) [system] [cde, a]=[cde, a]
^  Exit: (221) [user] read_list(')', (0x55772f068e50), [cde, a])
   Call: (221) [system] _943790=['DisjunctionIntroduction', cde, a]
   Exit: (221) [system] ['DisjunctionIntroduction', cde, a]=['DisjunctionIntroduction', cde, a]
^  Exit: (220) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', cde, a])
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', cde, a])
^  Call: (219) [user] read_list(')', (0x55772f068e50), _1679354)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1681212)
   Exit: (221) [system] peek_char((0x55772f068e50), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
   Call: (221) [system] ')'=(/)
   Fail: (221) [system] ')'=(/)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1697222)
   Exit: (220) [system] peek_char((0x55772f068e50), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x55772f068e50), _1701012)
   Exit: (220) [system] get_char((0x55772f068e50), ')')
   Call: (220) [system] _1679354=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x55772f068e50), [])
   Call: (219) [system] _907130=[['DisjunctionIntroduction', cde, a]]
   Exit: (219) [system] [['DisjunctionIntroduction', cde, a]]=[['DisjunctionIntroduction', cde, a]]
^  Exit: (218) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', cde, a]])
   Call: (218) [system] _778202=[abc, ['DisjunctionIntroduction', cde, a]]
   Exit: (218) [system] [abc, ['DisjunctionIntroduction', cde, a]]=[abc, ['DisjunctionIntroduction', cde, a]]
^  Exit: (217) [user] read_list(')', (0x55772f068e50), [abc, ['DisjunctionIntroduction', cde, a]])
   Call: (217) [system] _304446=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]]
   Exit: (217) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]]
^  Exit: (216) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]])
^  Exit: (215) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]])
^  Call: (215) [user] read_list(')', (0x55772f068e50), _1714894)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1716752)
   Exit: (217) [system] peek_char((0x55772f068e50), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x55772f068e50), _1726346)
   Exit: (217) [system] get_char((0x55772f068e50), ' ')
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1729050)
   Exit: (218) [system] peek_char((0x55772f068e50), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _1745984)
   Exit: (216) [system] peek_char((0x55772f068e50), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x55772f068e50), _1751554)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1753412)
   Exit: (218) [system] peek_char((0x55772f068e50), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] get_char((0x55772f068e50), _1769422)
   Exit: (217) [system] get_char((0x55772f068e50), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x55772f068e50), _1751554)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1774992)
   Exit: (219) [system] peek_char((0x55772f068e50), 'O')
   Call: (219) [system] 'O'=(;)
   Fail: (219) [system] 'O'=(;)
   Call: (219) [system] 'O'=(/)
   Fail: (219) [system] 'O'=(/)
^  Call: (219) [user] is_like_space('O')
   Call: (220) [system] char_type('O', 'white')
   Fail: (220) [system] char_type('O', 'white')
   Call: (220) [system] char_type('O', end_of_line)
   Fail: (220) [system] char_type('O', end_of_line)
   Call: (220) [system] char_type('O', space)
   Fail: (220) [system] char_type('O', space)
   Call: (220) [system] char_type('O', cntrl)
   Fail: (220) [system] char_type('O', cntrl)
^  Fail: (219) [user] is_like_space('O')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1791002)
   Exit: (218) [system] peek_char((0x55772f068e50), 'O')
   Call: (218) [system] 'O'=')'
   Fail: (218) [system] 'O'=')'
   Call: (218) [system] 'O'=end_of_file
   Fail: (218) [system] 'O'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _1796572)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1798430)
   Exit: (220) [system] peek_char((0x55772f068e50), 'O')
   Call: (220) [system] 'O'=(;)
   Fail: (220) [system] 'O'=(;)
   Call: (220) [system] 'O'=(/)
   Fail: (220) [system] 'O'=(/)
^  Call: (220) [user] is_like_space('O')
   Call: (221) [system] char_type('O', 'white')
   Fail: (221) [system] char_type('O', 'white')
   Call: (221) [system] char_type('O', end_of_line)
   Fail: (221) [system] char_type('O', end_of_line)
   Call: (221) [system] char_type('O', space)
   Fail: (221) [system] char_type('O', space)
   Call: (221) [system] char_type('O', cntrl)
   Fail: (221) [system] char_type('O', cntrl)
^  Fail: (220) [user] is_like_space('O')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _1814440)
   Exit: (219) [system] get_char((0x55772f068e50), 'O')
   Call: (219) [system] 'O'='('
   Fail: (219) [system] 'O'='('
   Call: (219) [system] 'O'='['
   Fail: (219) [system] 'O'='['
   Call: (219) [system] 'O'='{'
   Fail: (219) [system] 'O'='{'
   Call: (219) [system] 'O'='"'
   Fail: (219) [system] 'O'='"'
   Call: (219) [system] 'O'=!
   Fail: (219) [system] 'O'=!
   Call: (219) [system] 'O'='\''
   Fail: (219) [system] 'O'='\''
   Call: (219) [system] 'O'='`'
   Fail: (219) [system] 'O'='`'
   Call: (219) [system] 'O'=end_of_file
   Fail: (219) [system] 'O'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x55772f068e50), 'O', _1796572)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _1832082)
   Call: (221) [system] peek_char((0x55772f068e50), _1833016)
   Exit: (221) [system] peek_char((0x55772f068e50), r)
^  Call: (221) [user] is_delimiter(r)
   Call: (222) [system] char_type(r, space)
   Fail: (222) [system] char_type(r, space)
   Call: (222) [system] arg(_1837736, v('(', ')', end_of_file), r)
   Fail: (222) [system] arg(_1838668, v('(', ')', end_of_file), r)
^  Fail: (221) [user] is_delimiter(r)
   Call: (221) [system] ')'==r
   Fail: (221) [system] ')'==r
   Call: (221) [system] get_char((0x55772f068e50), r)
   Exit: (221) [system] get_char((0x55772f068e50), r)
   Call: (221) [system] r=(\)
   Fail: (221) [system] r=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1846018)
   Call: (222) [system] peek_char((0x55772f068e50), _1846952)
   Exit: (222) [system] peek_char((0x55772f068e50), 'L')
^  Call: (222) [user] is_delimiter('L')
   Call: (223) [system] char_type('L', space)
   Fail: (223) [system] char_type('L', space)
   Call: (223) [system] arg(_1851672, v('(', ')', end_of_file), 'L')
   Fail: (223) [system] arg(_1852604, v('(', ')', end_of_file), 'L')
^  Fail: (222) [user] is_delimiter('L')
   Call: (222) [system] ')'=='L'
   Fail: (222) [system] ')'=='L'
   Call: (222) [system] get_char((0x55772f068e50), 'L')
   Exit: (222) [system] get_char((0x55772f068e50), 'L')
   Call: (222) [system] 'L'=(\)
   Fail: (222) [system] 'L'=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1859954)
   Call: (223) [system] peek_char((0x55772f068e50), _1860888)
   Exit: (223) [system] peek_char((0x55772f068e50), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_1865608, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_1866540, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x55772f068e50), i)
   Exit: (223) [system] get_char((0x55772f068e50), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1873890)
   Call: (224) [system] peek_char((0x55772f068e50), _1874824)
   Exit: (224) [system] peek_char((0x55772f068e50), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1879544, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1880476, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x55772f068e50), n)
   Exit: (224) [system] get_char((0x55772f068e50), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1887826)
   Call: (225) [system] peek_char((0x55772f068e50), _1888760)
   Exit: (225) [system] peek_char((0x55772f068e50), k)
^  Call: (225) [user] is_delimiter(k)
   Call: (226) [system] char_type(k, space)
   Fail: (226) [system] char_type(k, space)
   Call: (226) [system] arg(_1893480, v('(', ')', end_of_file), k)
   Fail: (226) [system] arg(_1894412, v('(', ')', end_of_file), k)
^  Fail: (225) [user] is_delimiter(k)
   Call: (225) [system] ')'==k
   Fail: (225) [system] ')'==k
   Call: (225) [system] get_char((0x55772f068e50), k)
   Exit: (225) [system] get_char((0x55772f068e50), k)
   Call: (225) [system] k=(\)
   Fail: (225) [system] k=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1901762)
   Call: (226) [system] peek_char((0x55772f068e50), _1902696)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1901762=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (225) [system] _1887826=[k]
   Exit: (225) [system] [k]=[k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (224) [system] _1873890=[n, k]
   Exit: (224) [system] [n, k]=[n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (223) [system] _1859954=[i, n, k]
   Exit: (223) [system] [i, n, k]=[i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (222) [system] _1846018=['L', i, n, k]
   Exit: (222) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (221) [system] _1832082=[r, 'L', i, n, k]
   Exit: (221) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (220) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1796572)
^  Call: (221) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1925950)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_1926902, _1926904), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1925950), _1926884, fail)), '$restore_trace'(_1926902, _1926904))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_1926902, _1926904))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1925950), _1926884, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_1925950)
   Fail: (222) [system] atomic(_1925950)
   Call: (222) [system] atom_chars(_1925950, ['O', r, 'L', i, n, k])
   Exit: (222) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (221) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (221) [system] integer('OrLink')
   Fail: (221) [system] integer('OrLink')
   Call: (221) [system] _1796572='OrLink'
   Exit: (221) [system] 'OrLink'='OrLink'
^  Exit: (220) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (219) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (218) [user] read_list(')', (0x55772f068e50), _1940900)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1942758)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x55772f068e50), _1952352)
   Exit: (220) [system] get_char((0x55772f068e50), ' ')
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1955056)
   Exit: (221) [system] peek_char((0x55772f068e50), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1971990)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _1977560)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1979418)
   Exit: (221) [system] peek_char((0x55772f068e50), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _1995428)
   Exit: (220) [system] get_char((0x55772f068e50), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x55772f068e50), _1977560)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _2000998)
   Exit: (222) [system] peek_char((0x55772f068e50), 'I')
   Call: (222) [system] 'I'=(;)
   Fail: (222) [system] 'I'=(;)
   Call: (222) [system] 'I'=(/)
   Fail: (222) [system] 'I'=(/)
^  Call: (222) [user] is_like_space('I')
   Call: (223) [system] char_type('I', 'white')
   Fail: (223) [system] char_type('I', 'white')
   Call: (223) [system] char_type('I', end_of_line)
   Fail: (223) [system] char_type('I', end_of_line)
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] char_type('I', cntrl)
   Fail: (223) [system] char_type('I', cntrl)
^  Fail: (222) [user] is_like_space('I')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _2017008)
   Exit: (221) [system] peek_char((0x55772f068e50), 'I')
   Call: (221) [system] 'I'=')'
   Fail: (221) [system] 'I'=')'
   Call: (221) [system] 'I'=end_of_file
   Fail: (221) [system] 'I'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _2022578)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _2024436)
   Exit: (223) [system] peek_char((0x55772f068e50), 'I')
   Call: (223) [system] 'I'=(;)
   Fail: (223) [system] 'I'=(;)
   Call: (223) [system] 'I'=(/)
   Fail: (223) [system] 'I'=(/)
^  Call: (223) [user] is_like_space('I')
   Call: (224) [system] char_type('I', 'white')
   Fail: (224) [system] char_type('I', 'white')
   Call: (224) [system] char_type('I', end_of_line)
   Fail: (224) [system] char_type('I', end_of_line)
   Call: (224) [system] char_type('I', space)
   Fail: (224) [system] char_type('I', space)
   Call: (224) [system] char_type('I', cntrl)
   Fail: (224) [system] char_type('I', cntrl)
^  Fail: (223) [user] is_like_space('I')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _2040446)
   Exit: (222) [system] get_char((0x55772f068e50), 'I')
   Call: (222) [system] 'I'='('
   Fail: (222) [system] 'I'='('
   Call: (222) [system] 'I'='['
   Fail: (222) [system] 'I'='['
   Call: (222) [system] 'I'='{'
   Fail: (222) [system] 'I'='{'
   Call: (222) [system] 'I'='"'
   Fail: (222) [system] 'I'='"'
   Call: (222) [system] 'I'=!
   Fail: (222) [system] 'I'=!
   Call: (222) [system] 'I'='\''
   Fail: (222) [system] 'I'='\''
   Call: (222) [system] 'I'='`'
   Fail: (222) [system] 'I'='`'
   Call: (222) [system] 'I'=end_of_file
   Fail: (222) [system] 'I'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x55772f068e50), 'I', _2022578)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _2058088)
   Call: (224) [system] peek_char((0x55772f068e50), _2059022)
   Exit: (224) [system] peek_char((0x55772f068e50), m)
^  Call: (224) [user] is_delimiter(m)
   Call: (225) [system] char_type(m, space)
   Fail: (225) [system] char_type(m, space)
   Call: (225) [system] arg(_2063742, v('(', ')', end_of_file), m)
   Fail: (225) [system] arg(_2064674, v('(', ')', end_of_file), m)
^  Fail: (224) [user] is_delimiter(m)
   Call: (224) [system] ')'==m
   Fail: (224) [system] ')'==m
   Call: (224) [system] get_char((0x55772f068e50), m)
   Exit: (224) [system] get_char((0x55772f068e50), m)
   Call: (224) [system] m=(\)
   Fail: (224) [system] m=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _2072024)
   Call: (225) [system] peek_char((0x55772f068e50), _2072958)
   Exit: (225) [system] peek_char((0x55772f068e50), p)
^  Call: (225) [user] is_delimiter(p)
   Call: (226) [system] char_type(p, space)
   Fail: (226) [system] char_type(p, space)
   Call: (226) [system] arg(_2077678, v('(', ')', end_of_file), p)
   Fail: (226) [system] arg(_2078610, v('(', ')', end_of_file), p)
^  Fail: (225) [user] is_delimiter(p)
   Call: (225) [system] ')'==p
   Fail: (225) [system] ')'==p
   Call: (225) [system] get_char((0x55772f068e50), p)
   Exit: (225) [system] get_char((0x55772f068e50), p)
   Call: (225) [system] p=(\)
   Fail: (225) [system] p=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _2085960)
   Call: (226) [system] peek_char((0x55772f068e50), _2086894)
   Exit: (226) [system] peek_char((0x55772f068e50), l)
^  Call: (226) [user] is_delimiter(l)
   Call: (227) [system] char_type(l, space)
   Fail: (227) [system] char_type(l, space)
   Call: (227) [system] arg(_2091614, v('(', ')', end_of_file), l)
   Fail: (227) [system] arg(_2092546, v('(', ')', end_of_file), l)
^  Fail: (226) [user] is_delimiter(l)
   Call: (226) [system] ')'==l
   Fail: (226) [system] ')'==l
   Call: (226) [system] get_char((0x55772f068e50), l)
   Exit: (226) [system] get_char((0x55772f068e50), l)
   Call: (226) [system] l=(\)
   Fail: (226) [system] l=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _8884)
   Call: (227) [system] peek_char((0x55772f068e50), _9818)
   Exit: (227) [system] peek_char((0x55772f068e50), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_14538, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_15470, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x55772f068e50), i)
   Exit: (227) [system] get_char((0x55772f068e50), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _22820)
   Call: (228) [system] peek_char((0x55772f068e50), _23754)
   Exit: (228) [system] peek_char((0x55772f068e50), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_28474, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_29406, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x55772f068e50), c)
   Exit: (228) [system] get_char((0x55772f068e50), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _36756)
   Call: (229) [system] peek_char((0x55772f068e50), _37690)
   Exit: (229) [system] peek_char((0x55772f068e50), a)
^  Call: (229) [user] is_delimiter(a)
   Call: (230) [system] char_type(a, space)
   Fail: (230) [system] char_type(a, space)
   Call: (230) [system] arg(_42410, v('(', ')', end_of_file), a)
   Fail: (230) [system] arg(_43342, v('(', ')', end_of_file), a)
^  Fail: (229) [user] is_delimiter(a)
   Call: (229) [system] ')'==a
   Fail: (229) [system] ')'==a
   Call: (229) [system] get_char((0x55772f068e50), a)
   Exit: (229) [system] get_char((0x55772f068e50), a)
   Call: (229) [system] a=(\)
   Fail: (229) [system] a=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _50692)
   Call: (230) [system] peek_char((0x55772f068e50), _51626)
   Exit: (230) [system] peek_char((0x55772f068e50), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_56346, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_57278, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x55772f068e50), t)
   Exit: (230) [system] get_char((0x55772f068e50), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _64628)
   Call: (231) [system] peek_char((0x55772f068e50), _65562)
   Exit: (231) [system] peek_char((0x55772f068e50), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_70282, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_71214, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x55772f068e50), i)
   Exit: (231) [system] get_char((0x55772f068e50), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _78564)
   Call: (232) [system] peek_char((0x55772f068e50), _79498)
   Exit: (232) [system] peek_char((0x55772f068e50), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_84218, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_85150, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x55772f068e50), o)
   Exit: (232) [system] get_char((0x55772f068e50), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _92500)
   Call: (233) [system] peek_char((0x55772f068e50), _93434)
   Exit: (233) [system] peek_char((0x55772f068e50), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_98154, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_99086, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x55772f068e50), n)
   Exit: (233) [system] get_char((0x55772f068e50), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _106436)
   Call: (234) [system] peek_char((0x55772f068e50), _107370)
   Exit: (234) [system] peek_char((0x55772f068e50), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _106436=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (233) [system] _92500=[n]
   Exit: (233) [system] [n]=[n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (232) [system] _78564=[o, n]
   Exit: (232) [system] [o, n]=[o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (231) [system] _64628=[i, o, n]
   Exit: (231) [system] [i, o, n]=[i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (230) [system] _50692=[t, i, o, n]
   Exit: (230) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (229) [system] _36756=[a, t, i, o, n]
   Exit: (229) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (228) [system] _22820=[c, a, t, i, o, n]
   Exit: (228) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (227) [system] _8884=[i, c, a, t, i, o, n]
   Exit: (227) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (226) [system] _5744=[l, i, c, a, t, i, o, n]
   Exit: (226) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (225) [system] _5740=[p, l, i, c, a, t, i, o, n]
   Exit: (225) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (224) [system] _5736=[m, p, l, i, c, a, t, i, o, n]
   Exit: (224) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (223) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _5732)
^  Call: (224) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _144594)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_145546, _145548), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _144594), _145528, fail)), '$restore_trace'(_145546, _145548))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_145546, _145548))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _144594), _145528, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_144594)
   Fail: (225) [system] atomic(_144594)
   Call: (225) [system] atom_chars(_144594, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (225) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (224) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (224) [system] integer('Implication')
   Fail: (224) [system] integer('Implication')
   Call: (224) [system] _5732='Implication'
   Exit: (224) [system] 'Implication'='Implication'
^  Exit: (223) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (222) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (221) [user] read_list(')', (0x55772f068e50), _159544)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _161402)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x55772f068e50), _170996)
   Exit: (223) [system] get_char((0x55772f068e50), ' ')
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _173700)
   Exit: (224) [system] peek_char((0x55772f068e50), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _190634)
   Exit: (222) [system] peek_char((0x55772f068e50), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _196204)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _198062)
   Exit: (224) [system] peek_char((0x55772f068e50), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _214072)
   Exit: (223) [system] get_char((0x55772f068e50), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x55772f068e50), _196204)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _219642)
   Exit: (225) [system] peek_char((0x55772f068e50), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _235652)
   Exit: (224) [system] peek_char((0x55772f068e50), 'A')
   Call: (224) [system] 'A'=')'
   Fail: (224) [system] 'A'=')'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x55772f068e50), _241222)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _243080)
   Exit: (226) [system] peek_char((0x55772f068e50), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
   Call: (226) [system] 'A'=(/)
   Fail: (226) [system] 'A'=(/)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] get_char((0x55772f068e50), _259090)
   Exit: (225) [system] get_char((0x55772f068e50), 'A')
   Call: (225) [system] 'A'='('
   Fail: (225) [system] 'A'='('
   Call: (225) [system] 'A'='['
   Fail: (225) [system] 'A'='['
   Call: (225) [system] 'A'='{'
   Fail: (225) [system] 'A'='{'
   Call: (225) [system] 'A'='"'
   Fail: (225) [system] 'A'='"'
   Call: (225) [system] 'A'=!
   Fail: (225) [system] 'A'=!
   Call: (225) [system] 'A'='\''
   Fail: (225) [system] 'A'='\''
   Call: (225) [system] 'A'='`'
   Fail: (225) [system] 'A'='`'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x55772f068e50), 'A', _241222)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _276732)
   Call: (227) [system] peek_char((0x55772f068e50), _277666)
   Exit: (227) [system] peek_char((0x55772f068e50), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_282386, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_283318, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x55772f068e50), n)
   Exit: (227) [system] get_char((0x55772f068e50), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _290668)
   Call: (228) [system] peek_char((0x55772f068e50), _291602)
   Exit: (228) [system] peek_char((0x55772f068e50), d)
^  Call: (228) [user] is_delimiter(d)
   Call: (229) [system] char_type(d, space)
   Fail: (229) [system] char_type(d, space)
   Call: (229) [system] arg(_296322, v('(', ')', end_of_file), d)
   Fail: (229) [system] arg(_297254, v('(', ')', end_of_file), d)
^  Fail: (228) [user] is_delimiter(d)
   Call: (228) [system] ')'==d
   Fail: (228) [system] ')'==d
   Call: (228) [system] get_char((0x55772f068e50), d)
   Exit: (228) [system] get_char((0x55772f068e50), d)
   Call: (228) [system] d=(\)
   Fail: (228) [system] d=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _304604)
   Call: (229) [system] peek_char((0x55772f068e50), _305538)
   Exit: (229) [system] peek_char((0x55772f068e50), 'L')
^  Call: (229) [user] is_delimiter('L')
   Call: (230) [system] char_type('L', space)
   Fail: (230) [system] char_type('L', space)
   Call: (230) [system] arg(_310258, v('(', ')', end_of_file), 'L')
   Fail: (230) [system] arg(_311190, v('(', ')', end_of_file), 'L')
^  Fail: (229) [user] is_delimiter('L')
   Call: (229) [system] ')'=='L'
   Fail: (229) [system] ')'=='L'
   Call: (229) [system] get_char((0x55772f068e50), 'L')
   Exit: (229) [system] get_char((0x55772f068e50), 'L')
   Call: (229) [system] 'L'=(\)
   Fail: (229) [system] 'L'=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _318540)
   Call: (230) [system] peek_char((0x55772f068e50), _319474)
   Exit: (230) [system] peek_char((0x55772f068e50), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_324194, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_325126, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x55772f068e50), i)
   Exit: (230) [system] get_char((0x55772f068e50), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _332476)
   Call: (231) [system] peek_char((0x55772f068e50), _333410)
   Exit: (231) [system] peek_char((0x55772f068e50), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_338130, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_339062, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x55772f068e50), n)
   Exit: (231) [system] get_char((0x55772f068e50), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _346412)
   Call: (232) [system] peek_char((0x55772f068e50), _347346)
   Exit: (232) [system] peek_char((0x55772f068e50), k)
^  Call: (232) [user] is_delimiter(k)
   Call: (233) [system] char_type(k, space)
   Fail: (233) [system] char_type(k, space)
   Call: (233) [system] arg(_352066, v('(', ')', end_of_file), k)
   Fail: (233) [system] arg(_352998, v('(', ')', end_of_file), k)
^  Fail: (232) [user] is_delimiter(k)
   Call: (232) [system] ')'==k
   Fail: (232) [system] ')'==k
   Call: (232) [system] get_char((0x55772f068e50), k)
   Exit: (232) [system] get_char((0x55772f068e50), k)
   Call: (232) [system] k=(\)
   Fail: (232) [system] k=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _360348)
   Call: (233) [system] peek_char((0x55772f068e50), _361282)
   Exit: (233) [system] peek_char((0x55772f068e50), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _360348=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (232) [system] _346412=[k]
   Exit: (232) [system] [k]=[k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (231) [system] _332476=[n, k]
   Exit: (231) [system] [n, k]=[n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (230) [system] _318540=[i, n, k]
   Exit: (230) [system] [i, n, k]=[i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (229) [system] _304604=['L', i, n, k]
   Exit: (229) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (228) [system] _290668=[d, 'L', i, n, k]
   Exit: (228) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (227) [system] _276732=[n, d, 'L', i, n, k]
   Exit: (227) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (226) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _241222)
^  Call: (227) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _387330)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_388282, _388284), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _387330), _388264, fail)), '$restore_trace'(_388282, _388284))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_388282, _388284))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _387330), _388264, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_387330)
   Fail: (228) [system] atomic(_387330)
   Call: (228) [system] atom_chars(_387330, ['A', n, d, 'L', i, n, k])
   Exit: (228) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (227) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (227) [system] integer('AndLink')
   Fail: (227) [system] integer('AndLink')
   Call: (227) [system] _241222='AndLink'
   Exit: (227) [system] 'AndLink'='AndLink'
^  Exit: (226) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (225) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (224) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (224) [user] read_list(')', (0x55772f068e50), _402280)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _404138)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x55772f068e50), _413732)
   Exit: (226) [system] get_char((0x55772f068e50), ' ')
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _416436)
   Exit: (227) [system] peek_char((0x55772f068e50), 'A')
   Call: (227) [system] 'A'=(;)
   Fail: (227) [system] 'A'=(;)
   Call: (227) [system] 'A'=(/)
   Fail: (227) [system] 'A'=(/)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Fail: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Fail: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Fail: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
   Fail: (228) [system] char_type('A', cntrl)
^  Fail: (227) [user] is_like_space('A')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _433370)
   Exit: (225) [system] peek_char((0x55772f068e50), 'A')
   Call: (225) [system] 'A'=')'
   Fail: (225) [system] 'A'=')'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x55772f068e50), _438940)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _440798)
   Exit: (227) [system] peek_char((0x55772f068e50), 'A')
   Call: (227) [system] 'A'=(;)
   Fail: (227) [system] 'A'=(;)
   Call: (227) [system] 'A'=(/)
   Fail: (227) [system] 'A'=(/)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Fail: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Fail: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Fail: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
   Fail: (228) [system] char_type('A', cntrl)
^  Fail: (227) [user] is_like_space('A')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] get_char((0x55772f068e50), _456808)
   Exit: (226) [system] get_char((0x55772f068e50), 'A')
   Call: (226) [system] 'A'='('
   Fail: (226) [system] 'A'='('
   Call: (226) [system] 'A'='['
   Fail: (226) [system] 'A'='['
   Call: (226) [system] 'A'='{'
   Fail: (226) [system] 'A'='{'
   Call: (226) [system] 'A'='"'
   Fail: (226) [system] 'A'='"'
   Call: (226) [system] 'A'=!
   Fail: (226) [system] 'A'=!
   Call: (226) [system] 'A'='\''
   Fail: (226) [system] 'A'='\''
   Call: (226) [system] 'A'='`'
   Fail: (226) [system] 'A'='`'
   Call: (226) [system] 'A'=end_of_file
   Fail: (226) [system] 'A'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x55772f068e50), 'A', _438940)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _474450)
   Call: (228) [system] peek_char((0x55772f068e50), _475384)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _474450=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (227) [user] classify_and_convert_charseq(['A'], _438940)
^  Call: (228) [user] classify_and_convert_charseq_(['A'], _484668)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_485620, _485622), once(user:catch(read_from_chars(['A'], _484668), _485602, fail)), '$restore_trace'(_485620, _485622))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_485620, _485622))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _484668), _485602, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_484668)
   Fail: (229) [system] atomic(_484668)
   Call: (229) [system] atom_chars(_484668, ['A'])
   Exit: (229) [system] atom_chars('A', ['A'])
^  Exit: (228) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (228) [system] integer('A')
   Fail: (228) [system] integer('A')
   Call: (228) [system] _438940='A'
   Exit: (228) [system] 'A'='A'
^  Exit: (227) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (226) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (225) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (225) [user] read_list(')', (0x55772f068e50), _499618)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _501476)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x55772f068e50), _511070)
   Exit: (227) [system] get_char((0x55772f068e50), ' ')
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _513774)
   Exit: (228) [system] peek_char((0x55772f068e50), 'B')
   Call: (228) [system] 'B'=(;)
   Fail: (228) [system] 'B'=(;)
   Call: (228) [system] 'B'=(/)
   Fail: (228) [system] 'B'=(/)
^  Call: (228) [user] is_like_space('B')
   Call: (229) [system] char_type('B', 'white')
   Fail: (229) [system] char_type('B', 'white')
   Call: (229) [system] char_type('B', end_of_line)
   Fail: (229) [system] char_type('B', end_of_line)
   Call: (229) [system] char_type('B', space)
   Fail: (229) [system] char_type('B', space)
   Call: (229) [system] char_type('B', cntrl)
   Fail: (229) [system] char_type('B', cntrl)
^  Fail: (228) [user] is_like_space('B')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _530708)
   Exit: (226) [system] peek_char((0x55772f068e50), 'B')
   Call: (226) [system] 'B'=')'
   Fail: (226) [system] 'B'=')'
   Call: (226) [system] 'B'=end_of_file
   Fail: (226) [system] 'B'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x55772f068e50), _536278)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _538136)
   Exit: (228) [system] peek_char((0x55772f068e50), 'B')
   Call: (228) [system] 'B'=(;)
   Fail: (228) [system] 'B'=(;)
   Call: (228) [system] 'B'=(/)
   Fail: (228) [system] 'B'=(/)
^  Call: (228) [user] is_like_space('B')
   Call: (229) [system] char_type('B', 'white')
   Fail: (229) [system] char_type('B', 'white')
   Call: (229) [system] char_type('B', end_of_line)
   Fail: (229) [system] char_type('B', end_of_line)
   Call: (229) [system] char_type('B', space)
   Fail: (229) [system] char_type('B', space)
   Call: (229) [system] char_type('B', cntrl)
   Fail: (229) [system] char_type('B', cntrl)
^  Fail: (228) [user] is_like_space('B')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] get_char((0x55772f068e50), _554146)
   Exit: (227) [system] get_char((0x55772f068e50), 'B')
   Call: (227) [system] 'B'='('
   Fail: (227) [system] 'B'='('
   Call: (227) [system] 'B'='['
   Fail: (227) [system] 'B'='['
   Call: (227) [system] 'B'='{'
   Fail: (227) [system] 'B'='{'
   Call: (227) [system] 'B'='"'
   Fail: (227) [system] 'B'='"'
   Call: (227) [system] 'B'=!
   Fail: (227) [system] 'B'=!
   Call: (227) [system] 'B'='\''
   Fail: (227) [system] 'B'='\''
   Call: (227) [system] 'B'='`'
   Fail: (227) [system] 'B'='`'
   Call: (227) [system] 'B'=end_of_file
   Fail: (227) [system] 'B'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x55772f068e50), 'B', _536278)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _571788)
   Call: (229) [system] peek_char((0x55772f068e50), _572722)
   Exit: (229) [system] peek_char((0x55772f068e50), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_577442, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _571788=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (228) [user] classify_and_convert_charseq(['B'], _536278)
^  Call: (229) [user] classify_and_convert_charseq_(['B'], _583878)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_584830, _584832), once(user:catch(read_from_chars(['B'], _583878), _584812, fail)), '$restore_trace'(_584830, _584832))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_584830, _584832))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _583878), _584812, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_583878)
   Fail: (230) [system] atomic(_583878)
   Call: (230) [system] atom_chars(_583878, ['B'])
   Exit: (230) [system] atom_chars('B', ['B'])
^  Exit: (229) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (229) [system] integer('B')
   Fail: (229) [system] integer('B')
   Call: (229) [system] _536278='B'
   Exit: (229) [system] 'B'='B'
^  Exit: (228) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (227) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (226) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (226) [user] read_list(')', (0x55772f068e50), _598828)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _600686)
   Exit: (228) [system] peek_char((0x55772f068e50), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
   Call: (228) [system] ')'=(/)
   Fail: (228) [system] ')'=(/)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _616696)
   Exit: (227) [system] peek_char((0x55772f068e50), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x55772f068e50), _620486)
   Exit: (227) [system] get_char((0x55772f068e50), ')')
   Call: (227) [system] _598828=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x55772f068e50), [])
   Call: (226) [system] _499618=['B']
   Exit: (226) [system] ['B']=['B']
^  Exit: (225) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (225) [system] _402280=['A', 'B']
   Exit: (225) [system] ['A', 'B']=['A', 'B']
^  Exit: (224) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (224) [system] _196204=['AndLink', 'A', 'B']
   Exit: (224) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (223) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (222) [user] read_list(')', (0x55772f068e50), _634368)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _636226)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x55772f068e50), _645820)
   Exit: (224) [system] get_char((0x55772f068e50), ' ')
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _648524)
   Exit: (225) [system] peek_char((0x55772f068e50), 'C')
   Call: (225) [system] 'C'=(;)
   Fail: (225) [system] 'C'=(;)
   Call: (225) [system] 'C'=(/)
   Fail: (225) [system] 'C'=(/)
^  Call: (225) [user] is_like_space('C')
   Call: (226) [system] char_type('C', 'white')
   Fail: (226) [system] char_type('C', 'white')
   Call: (226) [system] char_type('C', end_of_line)
   Fail: (226) [system] char_type('C', end_of_line)
   Call: (226) [system] char_type('C', space)
   Fail: (226) [system] char_type('C', space)
   Call: (226) [system] char_type('C', cntrl)
   Fail: (226) [system] char_type('C', cntrl)
^  Fail: (225) [user] is_like_space('C')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _665458)
   Exit: (223) [system] peek_char((0x55772f068e50), 'C')
   Call: (223) [system] 'C'=')'
   Fail: (223) [system] 'C'=')'
   Call: (223) [system] 'C'=end_of_file
   Fail: (223) [system] 'C'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x55772f068e50), _671028)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _672886)
   Exit: (225) [system] peek_char((0x55772f068e50), 'C')
   Call: (225) [system] 'C'=(;)
   Fail: (225) [system] 'C'=(;)
   Call: (225) [system] 'C'=(/)
   Fail: (225) [system] 'C'=(/)
^  Call: (225) [user] is_like_space('C')
   Call: (226) [system] char_type('C', 'white')
   Fail: (226) [system] char_type('C', 'white')
   Call: (226) [system] char_type('C', end_of_line)
   Fail: (226) [system] char_type('C', end_of_line)
   Call: (226) [system] char_type('C', space)
   Fail: (226) [system] char_type('C', space)
   Call: (226) [system] char_type('C', cntrl)
   Fail: (226) [system] char_type('C', cntrl)
^  Fail: (225) [user] is_like_space('C')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] get_char((0x55772f068e50), _688896)
   Exit: (224) [system] get_char((0x55772f068e50), 'C')
   Call: (224) [system] 'C'='('
   Fail: (224) [system] 'C'='('
   Call: (224) [system] 'C'='['
   Fail: (224) [system] 'C'='['
   Call: (224) [system] 'C'='{'
   Fail: (224) [system] 'C'='{'
   Call: (224) [system] 'C'='"'
   Fail: (224) [system] 'C'='"'
   Call: (224) [system] 'C'=!
   Fail: (224) [system] 'C'=!
   Call: (224) [system] 'C'='\''
   Fail: (224) [system] 'C'='\''
   Call: (224) [system] 'C'='`'
   Fail: (224) [system] 'C'='`'
   Call: (224) [system] 'C'=end_of_file
   Fail: (224) [system] 'C'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x55772f068e50), 'C', _671028)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _706538)
   Call: (226) [system] peek_char((0x55772f068e50), _707472)
   Exit: (226) [system] peek_char((0x55772f068e50), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_712192, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _706538=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (225) [user] classify_and_convert_charseq(['C'], _671028)
^  Call: (226) [user] classify_and_convert_charseq_(['C'], _718628)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_719580, _719582), once(user:catch(read_from_chars(['C'], _718628), _719562, fail)), '$restore_trace'(_719580, _719582))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_719580, _719582))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _718628), _719562, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_718628)
   Fail: (227) [system] atomic(_718628)
   Call: (227) [system] atom_chars(_718628, ['C'])
   Exit: (227) [system] atom_chars('C', ['C'])
^  Exit: (226) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (226) [system] integer('C')
   Fail: (226) [system] integer('C')
   Call: (226) [system] _671028='C'
   Exit: (226) [system] 'C'='C'
^  Exit: (225) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (224) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (223) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (223) [user] read_list(')', (0x55772f068e50), _733578)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _735436)
   Exit: (225) [system] peek_char((0x55772f068e50), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
   Call: (225) [system] ')'=(/)
   Fail: (225) [system] ')'=(/)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _751446)
   Exit: (224) [system] peek_char((0x55772f068e50), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x55772f068e50), _755236)
   Exit: (224) [system] get_char((0x55772f068e50), ')')
   Call: (224) [system] _733578=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x55772f068e50), [])
   Call: (223) [system] _634368=['C']
   Exit: (223) [system] ['C']=['C']
^  Exit: (222) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (222) [system] _159544=[['AndLink', 'A', 'B'], 'C']
   Exit: (222) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (221) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (221) [system] _5726=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (221) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (220) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (219) [user] read_list(')', (0x55772f068e50), _769118)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _770976)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x55772f068e50), _780570)
   Exit: (221) [system] get_char((0x55772f068e50), ' ')
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _783274)
   Exit: (222) [system] peek_char((0x55772f068e50), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _800208)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _805778)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _807636)
   Exit: (222) [system] peek_char((0x55772f068e50), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _823646)
   Exit: (221) [system] get_char((0x55772f068e50), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x55772f068e50), _805778)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _829216)
   Exit: (223) [system] peek_char((0x55772f068e50), 'O')
   Call: (223) [system] 'O'=(;)
   Fail: (223) [system] 'O'=(;)
   Call: (223) [system] 'O'=(/)
   Fail: (223) [system] 'O'=(/)
^  Call: (223) [user] is_like_space('O')
   Call: (224) [system] char_type('O', 'white')
   Fail: (224) [system] char_type('O', 'white')
   Call: (224) [system] char_type('O', end_of_line)
   Fail: (224) [system] char_type('O', end_of_line)
   Call: (224) [system] char_type('O', space)
   Fail: (224) [system] char_type('O', space)
   Call: (224) [system] char_type('O', cntrl)
   Fail: (224) [system] char_type('O', cntrl)
^  Fail: (223) [user] is_like_space('O')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _845226)
   Exit: (222) [system] peek_char((0x55772f068e50), 'O')
   Call: (222) [system] 'O'=')'
   Fail: (222) [system] 'O'=')'
   Call: (222) [system] 'O'=end_of_file
   Fail: (222) [system] 'O'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _850796)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _852654)
   Exit: (224) [system] peek_char((0x55772f068e50), 'O')
   Call: (224) [system] 'O'=(;)
   Fail: (224) [system] 'O'=(;)
   Call: (224) [system] 'O'=(/)
   Fail: (224) [system] 'O'=(/)
^  Call: (224) [user] is_like_space('O')
   Call: (225) [system] char_type('O', 'white')
   Fail: (225) [system] char_type('O', 'white')
   Call: (225) [system] char_type('O', end_of_line)
   Fail: (225) [system] char_type('O', end_of_line)
   Call: (225) [system] char_type('O', space)
   Fail: (225) [system] char_type('O', space)
   Call: (225) [system] char_type('O', cntrl)
   Fail: (225) [system] char_type('O', cntrl)
^  Fail: (224) [user] is_like_space('O')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _868664)
   Exit: (223) [system] get_char((0x55772f068e50), 'O')
   Call: (223) [system] 'O'='('
   Fail: (223) [system] 'O'='('
   Call: (223) [system] 'O'='['
   Fail: (223) [system] 'O'='['
   Call: (223) [system] 'O'='{'
   Fail: (223) [system] 'O'='{'
   Call: (223) [system] 'O'='"'
   Fail: (223) [system] 'O'='"'
   Call: (223) [system] 'O'=!
   Fail: (223) [system] 'O'=!
   Call: (223) [system] 'O'='\''
   Fail: (223) [system] 'O'='\''
   Call: (223) [system] 'O'='`'
   Fail: (223) [system] 'O'='`'
   Call: (223) [system] 'O'=end_of_file
   Fail: (223) [system] 'O'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x55772f068e50), 'O', _850796)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _886306)
   Call: (225) [system] peek_char((0x55772f068e50), _887240)
   Exit: (225) [system] peek_char((0x55772f068e50), r)
^  Call: (225) [user] is_delimiter(r)
   Call: (226) [system] char_type(r, space)
   Fail: (226) [system] char_type(r, space)
   Call: (226) [system] arg(_891960, v('(', ')', end_of_file), r)
   Fail: (226) [system] arg(_892892, v('(', ')', end_of_file), r)
^  Fail: (225) [user] is_delimiter(r)
   Call: (225) [system] ')'==r
   Fail: (225) [system] ')'==r
   Call: (225) [system] get_char((0x55772f068e50), r)
   Exit: (225) [system] get_char((0x55772f068e50), r)
   Call: (225) [system] r=(\)
   Fail: (225) [system] r=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _900242)
   Call: (226) [system] peek_char((0x55772f068e50), _901176)
   Exit: (226) [system] peek_char((0x55772f068e50), 'L')
^  Call: (226) [user] is_delimiter('L')
   Call: (227) [system] char_type('L', space)
   Fail: (227) [system] char_type('L', space)
   Call: (227) [system] arg(_905896, v('(', ')', end_of_file), 'L')
   Fail: (227) [system] arg(_906828, v('(', ')', end_of_file), 'L')
^  Fail: (226) [user] is_delimiter('L')
   Call: (226) [system] ')'=='L'
   Fail: (226) [system] ')'=='L'
   Call: (226) [system] get_char((0x55772f068e50), 'L')
   Exit: (226) [system] get_char((0x55772f068e50), 'L')
   Call: (226) [system] 'L'=(\)
   Fail: (226) [system] 'L'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _914178)
   Call: (227) [system] peek_char((0x55772f068e50), _915112)
   Exit: (227) [system] peek_char((0x55772f068e50), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_919832, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_920764, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x55772f068e50), i)
   Exit: (227) [system] get_char((0x55772f068e50), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _928114)
   Call: (228) [system] peek_char((0x55772f068e50), _929048)
   Exit: (228) [system] peek_char((0x55772f068e50), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_933768, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_934700, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x55772f068e50), n)
   Exit: (228) [system] get_char((0x55772f068e50), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _942050)
   Call: (229) [system] peek_char((0x55772f068e50), _942984)
   Exit: (229) [system] peek_char((0x55772f068e50), k)
^  Call: (229) [user] is_delimiter(k)
   Call: (230) [system] char_type(k, space)
   Fail: (230) [system] char_type(k, space)
   Call: (230) [system] arg(_947704, v('(', ')', end_of_file), k)
   Fail: (230) [system] arg(_948636, v('(', ')', end_of_file), k)
^  Fail: (229) [user] is_delimiter(k)
   Call: (229) [system] ')'==k
   Fail: (229) [system] ')'==k
   Call: (229) [system] get_char((0x55772f068e50), k)
   Exit: (229) [system] get_char((0x55772f068e50), k)
   Call: (229) [system] k=(\)
   Fail: (229) [system] k=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _955986)
   Call: (230) [system] peek_char((0x55772f068e50), _956920)
   Exit: (230) [system] peek_char((0x55772f068e50), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _955986=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (229) [system] _942050=[k]
   Exit: (229) [system] [k]=[k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (228) [system] _928114=[n, k]
   Exit: (228) [system] [n, k]=[n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (227) [system] _914178=[i, n, k]
   Exit: (227) [system] [i, n, k]=[i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (226) [system] _900242=['L', i, n, k]
   Exit: (226) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (225) [system] _886306=[r, 'L', i, n, k]
   Exit: (225) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (224) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _850796)
^  Call: (225) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _980174)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_981126, _981128), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _980174), _981108, fail)), '$restore_trace'(_981126, _981128))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_981126, _981128))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _980174), _981108, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_980174)
   Fail: (226) [system] atomic(_980174)
   Call: (226) [system] atom_chars(_980174, ['O', r, 'L', i, n, k])
   Exit: (226) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (225) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (225) [system] integer('OrLink')
   Fail: (225) [system] integer('OrLink')
   Call: (225) [system] _850796='OrLink'
   Exit: (225) [system] 'OrLink'='OrLink'
^  Exit: (224) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (223) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (222) [user] read_list(')', (0x55772f068e50), _995124)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _996982)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x55772f068e50), _1006576)
   Exit: (224) [system] get_char((0x55772f068e50), ' ')
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1009280)
   Exit: (225) [system] peek_char((0x55772f068e50), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1026214)
   Exit: (223) [system] peek_char((0x55772f068e50), '(')
   Call: (223) [system] '('=')'
   Fail: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
   Fail: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x55772f068e50), _1031784)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1033642)
   Exit: (225) [system] peek_char((0x55772f068e50), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] get_char((0x55772f068e50), _1049652)
   Exit: (224) [system] get_char((0x55772f068e50), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x55772f068e50), _1031784)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1055222)
   Exit: (226) [system] peek_char((0x55772f068e50), 'I')
   Call: (226) [system] 'I'=(;)
   Fail: (226) [system] 'I'=(;)
   Call: (226) [system] 'I'=(/)
   Fail: (226) [system] 'I'=(/)
^  Call: (226) [user] is_like_space('I')
   Call: (227) [system] char_type('I', 'white')
   Fail: (227) [system] char_type('I', 'white')
   Call: (227) [system] char_type('I', end_of_line)
   Fail: (227) [system] char_type('I', end_of_line)
   Call: (227) [system] char_type('I', space)
   Fail: (227) [system] char_type('I', space)
   Call: (227) [system] char_type('I', cntrl)
   Fail: (227) [system] char_type('I', cntrl)
^  Fail: (226) [user] is_like_space('I')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1071232)
   Exit: (225) [system] peek_char((0x55772f068e50), 'I')
   Call: (225) [system] 'I'=')'
   Fail: (225) [system] 'I'=')'
   Call: (225) [system] 'I'=end_of_file
   Fail: (225) [system] 'I'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x55772f068e50), _1076802)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1078660)
   Exit: (227) [system] peek_char((0x55772f068e50), 'I')
   Call: (227) [system] 'I'=(;)
   Fail: (227) [system] 'I'=(;)
   Call: (227) [system] 'I'=(/)
   Fail: (227) [system] 'I'=(/)
^  Call: (227) [user] is_like_space('I')
   Call: (228) [system] char_type('I', 'white')
   Fail: (228) [system] char_type('I', 'white')
   Call: (228) [system] char_type('I', end_of_line)
   Fail: (228) [system] char_type('I', end_of_line)
   Call: (228) [system] char_type('I', space)
   Fail: (228) [system] char_type('I', space)
   Call: (228) [system] char_type('I', cntrl)
   Fail: (228) [system] char_type('I', cntrl)
^  Fail: (227) [user] is_like_space('I')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] get_char((0x55772f068e50), _1094670)
   Exit: (226) [system] get_char((0x55772f068e50), 'I')
   Call: (226) [system] 'I'='('
   Fail: (226) [system] 'I'='('
   Call: (226) [system] 'I'='['
   Fail: (226) [system] 'I'='['
   Call: (226) [system] 'I'='{'
   Fail: (226) [system] 'I'='{'
   Call: (226) [system] 'I'='"'
   Fail: (226) [system] 'I'='"'
   Call: (226) [system] 'I'=!
   Fail: (226) [system] 'I'=!
   Call: (226) [system] 'I'='\''
   Fail: (226) [system] 'I'='\''
   Call: (226) [system] 'I'='`'
   Fail: (226) [system] 'I'='`'
   Call: (226) [system] 'I'=end_of_file
   Fail: (226) [system] 'I'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x55772f068e50), 'I', _1076802)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1112312)
   Call: (228) [system] peek_char((0x55772f068e50), _1113246)
   Exit: (228) [system] peek_char((0x55772f068e50), m)
^  Call: (228) [user] is_delimiter(m)
   Call: (229) [system] char_type(m, space)
   Fail: (229) [system] char_type(m, space)
   Call: (229) [system] arg(_1117966, v('(', ')', end_of_file), m)
   Fail: (229) [system] arg(_1118898, v('(', ')', end_of_file), m)
^  Fail: (228) [user] is_delimiter(m)
   Call: (228) [system] ')'==m
   Fail: (228) [system] ')'==m
   Call: (228) [system] get_char((0x55772f068e50), m)
   Exit: (228) [system] get_char((0x55772f068e50), m)
   Call: (228) [system] m=(\)
   Fail: (228) [system] m=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1126248)
   Call: (229) [system] peek_char((0x55772f068e50), _1127182)
   Exit: (229) [system] peek_char((0x55772f068e50), p)
^  Call: (229) [user] is_delimiter(p)
   Call: (230) [system] char_type(p, space)
   Fail: (230) [system] char_type(p, space)
   Call: (230) [system] arg(_1131902, v('(', ')', end_of_file), p)
   Fail: (230) [system] arg(_1132834, v('(', ')', end_of_file), p)
^  Fail: (229) [user] is_delimiter(p)
   Call: (229) [system] ')'==p
   Fail: (229) [system] ')'==p
   Call: (229) [system] get_char((0x55772f068e50), p)
   Exit: (229) [system] get_char((0x55772f068e50), p)
   Call: (229) [system] p=(\)
   Fail: (229) [system] p=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1140184)
   Call: (230) [system] peek_char((0x55772f068e50), _1141118)
   Exit: (230) [system] peek_char((0x55772f068e50), l)
^  Call: (230) [user] is_delimiter(l)
   Call: (231) [system] char_type(l, space)
   Fail: (231) [system] char_type(l, space)
   Call: (231) [system] arg(_1145838, v('(', ')', end_of_file), l)
   Fail: (231) [system] arg(_1146770, v('(', ')', end_of_file), l)
^  Fail: (230) [user] is_delimiter(l)
   Call: (230) [system] ')'==l
   Fail: (230) [system] ')'==l
   Call: (230) [system] get_char((0x55772f068e50), l)
   Exit: (230) [system] get_char((0x55772f068e50), l)
   Call: (230) [system] l=(\)
   Fail: (230) [system] l=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1154120)
   Call: (231) [system] peek_char((0x55772f068e50), _1155054)
   Exit: (231) [system] peek_char((0x55772f068e50), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1159774, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_1160706, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x55772f068e50), i)
   Exit: (231) [system] get_char((0x55772f068e50), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1168056)
   Call: (232) [system] peek_char((0x55772f068e50), _1168990)
   Exit: (232) [system] peek_char((0x55772f068e50), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Fail: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_1173710, v('(', ')', end_of_file), c)
   Fail: (233) [system] arg(_1174642, v('(', ')', end_of_file), c)
^  Fail: (232) [user] is_delimiter(c)
   Call: (232) [system] ')'==c
   Fail: (232) [system] ')'==c
   Call: (232) [system] get_char((0x55772f068e50), c)
   Exit: (232) [system] get_char((0x55772f068e50), c)
   Call: (232) [system] c=(\)
   Fail: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1181992)
   Call: (233) [system] peek_char((0x55772f068e50), _1182926)
   Exit: (233) [system] peek_char((0x55772f068e50), a)
^  Call: (233) [user] is_delimiter(a)
   Call: (234) [system] char_type(a, space)
   Fail: (234) [system] char_type(a, space)
   Call: (234) [system] arg(_1187646, v('(', ')', end_of_file), a)
   Fail: (234) [system] arg(_1188578, v('(', ')', end_of_file), a)
^  Fail: (233) [user] is_delimiter(a)
   Call: (233) [system] ')'==a
   Fail: (233) [system] ')'==a
   Call: (233) [system] get_char((0x55772f068e50), a)
   Exit: (233) [system] get_char((0x55772f068e50), a)
   Call: (233) [system] a=(\)
   Fail: (233) [system] a=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1195928)
   Call: (234) [system] peek_char((0x55772f068e50), _1196862)
   Exit: (234) [system] peek_char((0x55772f068e50), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Fail: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_1201582, v('(', ')', end_of_file), t)
   Fail: (235) [system] arg(_1202514, v('(', ')', end_of_file), t)
^  Fail: (234) [user] is_delimiter(t)
   Call: (234) [system] ')'==t
   Fail: (234) [system] ')'==t
   Call: (234) [system] get_char((0x55772f068e50), t)
   Exit: (234) [system] get_char((0x55772f068e50), t)
   Call: (234) [system] t=(\)
   Fail: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1209864)
   Call: (235) [system] peek_char((0x55772f068e50), _1210798)
   Exit: (235) [system] peek_char((0x55772f068e50), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Fail: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_1215518, v('(', ')', end_of_file), i)
   Fail: (236) [system] arg(_1216450, v('(', ')', end_of_file), i)
^  Fail: (235) [user] is_delimiter(i)
   Call: (235) [system] ')'==i
   Fail: (235) [system] ')'==i
   Call: (235) [system] get_char((0x55772f068e50), i)
   Exit: (235) [system] get_char((0x55772f068e50), i)
   Call: (235) [system] i=(\)
   Fail: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1223800)
   Call: (236) [system] peek_char((0x55772f068e50), _1224734)
   Exit: (236) [system] peek_char((0x55772f068e50), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Fail: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_1229454, v('(', ')', end_of_file), o)
   Fail: (237) [system] arg(_1230386, v('(', ')', end_of_file), o)
^  Fail: (236) [user] is_delimiter(o)
   Call: (236) [system] ')'==o
   Fail: (236) [system] ')'==o
   Call: (236) [system] get_char((0x55772f068e50), o)
   Exit: (236) [system] get_char((0x55772f068e50), o)
   Call: (236) [system] o=(\)
   Fail: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1237736)
   Call: (237) [system] peek_char((0x55772f068e50), _1238670)
   Exit: (237) [system] peek_char((0x55772f068e50), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_1243390, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_1244322, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x55772f068e50), n)
   Exit: (237) [system] get_char((0x55772f068e50), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _1251672)
   Call: (238) [system] peek_char((0x55772f068e50), _1252606)
   Exit: (238) [system] peek_char((0x55772f068e50), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _1251672=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (237) [system] _1237736=[n]
   Exit: (237) [system] [n]=[n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (236) [system] _1223800=[o, n]
   Exit: (236) [system] [o, n]=[o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (235) [system] _1209864=[i, o, n]
   Exit: (235) [system] [i, o, n]=[i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (234) [system] _1195928=[t, i, o, n]
   Exit: (234) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (233) [system] _1181992=[a, t, i, o, n]
   Exit: (233) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (232) [system] _1168056=[c, a, t, i, o, n]
   Exit: (232) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (231) [system] _1154120=[i, c, a, t, i, o, n]
   Exit: (231) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (230) [system] _1140184=[l, i, c, a, t, i, o, n]
   Exit: (230) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (229) [system] _1126248=[p, l, i, c, a, t, i, o, n]
   Exit: (229) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (228) [system] _1112312=[m, p, l, i, c, a, t, i, o, n]
   Exit: (228) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (227) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1076802)
^  Call: (228) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1289830)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1290782, _1290784), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1289830), _1290764, fail)), '$restore_trace'(_1290782, _1290784))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1290782, _1290784))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1289830), _1290764, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1289830)
   Fail: (229) [system] atomic(_1289830)
   Call: (229) [system] atom_chars(_1289830, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (229) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (228) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (228) [system] integer('Implication')
   Fail: (228) [system] integer('Implication')
   Call: (228) [system] _1076802='Implication'
   Exit: (228) [system] 'Implication'='Implication'
^  Exit: (227) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (226) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (225) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (225) [user] read_list(')', (0x55772f068e50), _1304780)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1306638)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x55772f068e50), _1316232)
   Exit: (227) [system] get_char((0x55772f068e50), ' ')
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1318936)
   Exit: (228) [system] peek_char((0x55772f068e50), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
   Call: (228) [system] '('=(/)
   Fail: (228) [system] '('=(/)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1335870)
   Exit: (226) [system] peek_char((0x55772f068e50), '(')
   Call: (226) [system] '('=')'
   Fail: (226) [system] '('=')'
   Call: (226) [system] '('=end_of_file
   Fail: (226) [system] '('=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x55772f068e50), _1341440)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1343298)
   Exit: (228) [system] peek_char((0x55772f068e50), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
   Call: (228) [system] '('=(/)
   Fail: (228) [system] '('=(/)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] get_char((0x55772f068e50), _1359308)
   Exit: (227) [system] get_char((0x55772f068e50), '(')
   Call: (227) [system] '('='('
   Exit: (227) [system] '('='('
^  Call: (227) [user] read_list(')', (0x55772f068e50), _1341440)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1364878)
   Exit: (229) [system] peek_char((0x55772f068e50), 'O')
   Call: (229) [system] 'O'=(;)
   Fail: (229) [system] 'O'=(;)
   Call: (229) [system] 'O'=(/)
   Fail: (229) [system] 'O'=(/)
^  Call: (229) [user] is_like_space('O')
   Call: (230) [system] char_type('O', 'white')
   Fail: (230) [system] char_type('O', 'white')
   Call: (230) [system] char_type('O', end_of_line)
   Fail: (230) [system] char_type('O', end_of_line)
   Call: (230) [system] char_type('O', space)
   Fail: (230) [system] char_type('O', space)
   Call: (230) [system] char_type('O', cntrl)
   Fail: (230) [system] char_type('O', cntrl)
^  Fail: (229) [user] is_like_space('O')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1380888)
   Exit: (228) [system] peek_char((0x55772f068e50), 'O')
   Call: (228) [system] 'O'=')'
   Fail: (228) [system] 'O'=')'
   Call: (228) [system] 'O'=end_of_file
   Fail: (228) [system] 'O'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x55772f068e50), _1386458)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1388316)
   Exit: (230) [system] peek_char((0x55772f068e50), 'O')
   Call: (230) [system] 'O'=(;)
   Fail: (230) [system] 'O'=(;)
   Call: (230) [system] 'O'=(/)
   Fail: (230) [system] 'O'=(/)
^  Call: (230) [user] is_like_space('O')
   Call: (231) [system] char_type('O', 'white')
   Fail: (231) [system] char_type('O', 'white')
   Call: (231) [system] char_type('O', end_of_line)
   Fail: (231) [system] char_type('O', end_of_line)
   Call: (231) [system] char_type('O', space)
   Fail: (231) [system] char_type('O', space)
   Call: (231) [system] char_type('O', cntrl)
   Fail: (231) [system] char_type('O', cntrl)
^  Fail: (230) [user] is_like_space('O')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] get_char((0x55772f068e50), _1404326)
   Exit: (229) [system] get_char((0x55772f068e50), 'O')
   Call: (229) [system] 'O'='('
   Fail: (229) [system] 'O'='('
   Call: (229) [system] 'O'='['
   Fail: (229) [system] 'O'='['
   Call: (229) [system] 'O'='{'
   Fail: (229) [system] 'O'='{'
   Call: (229) [system] 'O'='"'
   Fail: (229) [system] 'O'='"'
   Call: (229) [system] 'O'=!
   Fail: (229) [system] 'O'=!
   Call: (229) [system] 'O'='\''
   Fail: (229) [system] 'O'='\''
   Call: (229) [system] 'O'='`'
   Fail: (229) [system] 'O'='`'
   Call: (229) [system] 'O'=end_of_file
   Fail: (229) [system] 'O'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x55772f068e50), 'O', _1386458)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1421968)
   Call: (231) [system] peek_char((0x55772f068e50), _1422902)
   Exit: (231) [system] peek_char((0x55772f068e50), r)
^  Call: (231) [user] is_delimiter(r)
   Call: (232) [system] char_type(r, space)
   Fail: (232) [system] char_type(r, space)
   Call: (232) [system] arg(_1427622, v('(', ')', end_of_file), r)
   Fail: (232) [system] arg(_1428554, v('(', ')', end_of_file), r)
^  Fail: (231) [user] is_delimiter(r)
   Call: (231) [system] ')'==r
   Fail: (231) [system] ')'==r
   Call: (231) [system] get_char((0x55772f068e50), r)
   Exit: (231) [system] get_char((0x55772f068e50), r)
   Call: (231) [system] r=(\)
   Fail: (231) [system] r=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1435904)
   Call: (232) [system] peek_char((0x55772f068e50), _1436838)
   Exit: (232) [system] peek_char((0x55772f068e50), 'L')
^  Call: (232) [user] is_delimiter('L')
   Call: (233) [system] char_type('L', space)
   Fail: (233) [system] char_type('L', space)
   Call: (233) [system] arg(_1441558, v('(', ')', end_of_file), 'L')
   Fail: (233) [system] arg(_1442490, v('(', ')', end_of_file), 'L')
^  Fail: (232) [user] is_delimiter('L')
   Call: (232) [system] ')'=='L'
   Fail: (232) [system] ')'=='L'
   Call: (232) [system] get_char((0x55772f068e50), 'L')
   Exit: (232) [system] get_char((0x55772f068e50), 'L')
   Call: (232) [system] 'L'=(\)
   Fail: (232) [system] 'L'=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1449840)
   Call: (233) [system] peek_char((0x55772f068e50), _1450774)
   Exit: (233) [system] peek_char((0x55772f068e50), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_1455494, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_1456426, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x55772f068e50), i)
   Exit: (233) [system] get_char((0x55772f068e50), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1463776)
   Call: (234) [system] peek_char((0x55772f068e50), _1464710)
   Exit: (234) [system] peek_char((0x55772f068e50), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_1469430, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_1470362, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x55772f068e50), n)
   Exit: (234) [system] get_char((0x55772f068e50), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1477712)
   Call: (235) [system] peek_char((0x55772f068e50), _1478646)
   Exit: (235) [system] peek_char((0x55772f068e50), k)
^  Call: (235) [user] is_delimiter(k)
   Call: (236) [system] char_type(k, space)
   Fail: (236) [system] char_type(k, space)
   Call: (236) [system] arg(_1483366, v('(', ')', end_of_file), k)
   Fail: (236) [system] arg(_1484298, v('(', ')', end_of_file), k)
^  Fail: (235) [user] is_delimiter(k)
   Call: (235) [system] ')'==k
   Fail: (235) [system] ')'==k
   Call: (235) [system] get_char((0x55772f068e50), k)
   Exit: (235) [system] get_char((0x55772f068e50), k)
   Call: (235) [system] k=(\)
   Fail: (235) [system] k=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1491648)
   Call: (236) [system] peek_char((0x55772f068e50), _1492582)
   Exit: (236) [system] peek_char((0x55772f068e50), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _1491648=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (235) [system] _1477712=[k]
   Exit: (235) [system] [k]=[k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (234) [system] _1463776=[n, k]
   Exit: (234) [system] [n, k]=[n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (233) [system] _1449840=[i, n, k]
   Exit: (233) [system] [i, n, k]=[i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (232) [system] _1435904=['L', i, n, k]
   Exit: (232) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (231) [system] _1421968=[r, 'L', i, n, k]
   Exit: (231) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (230) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1386458)
^  Call: (231) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1515836)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1516788, _1516790), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1515836), _1516770, fail)), '$restore_trace'(_1516788, _1516790))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1516788, _1516790))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1515836), _1516770, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_1515836)
   Fail: (232) [system] atomic(_1515836)
   Call: (232) [system] atom_chars(_1515836, ['O', r, 'L', i, n, k])
   Exit: (232) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (231) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (231) [system] integer('OrLink')
   Fail: (231) [system] integer('OrLink')
   Call: (231) [system] _1386458='OrLink'
   Exit: (231) [system] 'OrLink'='OrLink'
^  Exit: (230) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (229) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (228) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (228) [user] read_list(')', (0x55772f068e50), _1530786)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1532644)
   Exit: (230) [system] peek_char((0x55772f068e50), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
   Call: (230) [system] ' '=(/)
   Fail: (230) [system] ' '=(/)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x55772f068e50), _1542238)
   Exit: (230) [system] get_char((0x55772f068e50), ' ')
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1544942)
   Exit: (231) [system] peek_char((0x55772f068e50), 'C')
   Call: (231) [system] 'C'=(;)
   Fail: (231) [system] 'C'=(;)
   Call: (231) [system] 'C'=(/)
   Fail: (231) [system] 'C'=(/)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Fail: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Fail: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Fail: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
   Fail: (232) [system] char_type('C', cntrl)
^  Fail: (231) [user] is_like_space('C')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1561876)
   Exit: (229) [system] peek_char((0x55772f068e50), 'C')
   Call: (229) [system] 'C'=')'
   Fail: (229) [system] 'C'=')'
   Call: (229) [system] 'C'=end_of_file
   Fail: (229) [system] 'C'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x55772f068e50), _1567446)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1569304)
   Exit: (231) [system] peek_char((0x55772f068e50), 'C')
   Call: (231) [system] 'C'=(;)
   Fail: (231) [system] 'C'=(;)
   Call: (231) [system] 'C'=(/)
   Fail: (231) [system] 'C'=(/)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Fail: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Fail: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Fail: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
   Fail: (232) [system] char_type('C', cntrl)
^  Fail: (231) [user] is_like_space('C')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] get_char((0x55772f068e50), _1585314)
   Exit: (230) [system] get_char((0x55772f068e50), 'C')
   Call: (230) [system] 'C'='('
   Fail: (230) [system] 'C'='('
   Call: (230) [system] 'C'='['
   Fail: (230) [system] 'C'='['
   Call: (230) [system] 'C'='{'
   Fail: (230) [system] 'C'='{'
   Call: (230) [system] 'C'='"'
   Fail: (230) [system] 'C'='"'
   Call: (230) [system] 'C'=!
   Fail: (230) [system] 'C'=!
   Call: (230) [system] 'C'='\''
   Fail: (230) [system] 'C'='\''
   Call: (230) [system] 'C'='`'
   Fail: (230) [system] 'C'='`'
   Call: (230) [system] 'C'=end_of_file
   Fail: (230) [system] 'C'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x55772f068e50), 'C', _1567446)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1602956)
   Call: (232) [system] peek_char((0x55772f068e50), _1603890)
   Exit: (232) [system] peek_char((0x55772f068e50), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1602956=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (231) [user] classify_and_convert_charseq(['C'], _1567446)
^  Call: (232) [user] classify_and_convert_charseq_(['C'], _1613174)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1614126, _1614128), once(user:catch(read_from_chars(['C'], _1613174), _1614108, fail)), '$restore_trace'(_1614126, _1614128))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1614126, _1614128))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1613174), _1614108, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_1613174)
   Fail: (233) [system] atomic(_1613174)
   Call: (233) [system] atom_chars(_1613174, ['C'])
   Exit: (233) [system] atom_chars('C', ['C'])
^  Exit: (232) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (232) [system] integer('C')
   Fail: (232) [system] integer('C')
   Call: (232) [system] _1567446='C'
   Exit: (232) [system] 'C'='C'
^  Exit: (231) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (230) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (229) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (229) [user] read_list(')', (0x55772f068e50), _1628124)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1629982)
   Exit: (231) [system] peek_char((0x55772f068e50), ' ')
   Call: (231) [system] ' '=(;)
   Fail: (231) [system] ' '=(;)
   Call: (231) [system] ' '=(/)
   Fail: (231) [system] ' '=(/)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x55772f068e50), _1639576)
   Exit: (231) [system] get_char((0x55772f068e50), ' ')
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _1642280)
   Exit: (232) [system] peek_char((0x55772f068e50), 'D')
   Call: (232) [system] 'D'=(;)
   Fail: (232) [system] 'D'=(;)
   Call: (232) [system] 'D'=(/)
   Fail: (232) [system] 'D'=(/)
^  Call: (232) [user] is_like_space('D')
   Call: (233) [system] char_type('D', 'white')
   Fail: (233) [system] char_type('D', 'white')
   Call: (233) [system] char_type('D', end_of_line)
   Fail: (233) [system] char_type('D', end_of_line)
   Call: (233) [system] char_type('D', space)
   Fail: (233) [system] char_type('D', space)
   Call: (233) [system] char_type('D', cntrl)
   Fail: (233) [system] char_type('D', cntrl)
^  Fail: (232) [user] is_like_space('D')
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1659214)
   Exit: (230) [system] peek_char((0x55772f068e50), 'D')
   Call: (230) [system] 'D'=')'
   Fail: (230) [system] 'D'=')'
   Call: (230) [system] 'D'=end_of_file
   Fail: (230) [system] 'D'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x55772f068e50), _1664784)
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _1666642)
   Exit: (232) [system] peek_char((0x55772f068e50), 'D')
   Call: (232) [system] 'D'=(;)
   Fail: (232) [system] 'D'=(;)
   Call: (232) [system] 'D'=(/)
   Fail: (232) [system] 'D'=(/)
^  Call: (232) [user] is_like_space('D')
   Call: (233) [system] char_type('D', 'white')
   Fail: (233) [system] char_type('D', 'white')
   Call: (233) [system] char_type('D', end_of_line)
   Fail: (233) [system] char_type('D', end_of_line)
   Call: (233) [system] char_type('D', space)
   Fail: (233) [system] char_type('D', space)
   Call: (233) [system] char_type('D', cntrl)
   Fail: (233) [system] char_type('D', cntrl)
^  Fail: (232) [user] is_like_space('D')
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] get_char((0x55772f068e50), _1682652)
   Exit: (231) [system] get_char((0x55772f068e50), 'D')
   Call: (231) [system] 'D'='('
   Fail: (231) [system] 'D'='('
   Call: (231) [system] 'D'='['
   Fail: (231) [system] 'D'='['
   Call: (231) [system] 'D'='{'
   Fail: (231) [system] 'D'='{'
   Call: (231) [system] 'D'='"'
   Fail: (231) [system] 'D'='"'
   Call: (231) [system] 'D'=!
   Fail: (231) [system] 'D'=!
   Call: (231) [system] 'D'='\''
   Fail: (231) [system] 'D'='\''
   Call: (231) [system] 'D'='`'
   Fail: (231) [system] 'D'='`'
   Call: (231) [system] 'D'=end_of_file
   Fail: (231) [system] 'D'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x55772f068e50), 'D', _1664784)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1700294)
   Call: (233) [system] peek_char((0x55772f068e50), _1701228)
   Exit: (233) [system] peek_char((0x55772f068e50), ')')
^  Call: (233) [user] is_delimiter(')')
   Call: (234) [system] char_type(')', space)
   Fail: (234) [system] char_type(')', space)
   Call: (234) [system] arg(_1705948, v('(', ')', end_of_file), ')')
   Exit: (234) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (233) [user] is_delimiter(')')
   Call: (233) [system] _1700294=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (232) [user] classify_and_convert_charseq(['D'], _1664784)
^  Call: (233) [user] classify_and_convert_charseq_(['D'], _1712384)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_1713336, _1713338), once(user:catch(read_from_chars(['D'], _1712384), _1713318, fail)), '$restore_trace'(_1713336, _1713338))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_1713336, _1713338))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1712384), _1713318, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_1712384)
   Fail: (234) [system] atomic(_1712384)
   Call: (234) [system] atom_chars(_1712384, ['D'])
   Exit: (234) [system] atom_chars('D', ['D'])
^  Exit: (233) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (233) [system] integer('D')
   Fail: (233) [system] integer('D')
   Call: (233) [system] _1664784='D'
   Exit: (233) [system] 'D'='D'
^  Exit: (232) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (231) [user] read_symbolic(')', (0x55772f068e50), 'D', 'D')
^  Exit: (230) [user] cont_sexpr(')', (0x55772f068e50), 'D')
^  Call: (230) [user] read_list(')', (0x55772f068e50), _1727334)
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _1729192)
   Exit: (232) [system] peek_char((0x55772f068e50), ')')
   Call: (232) [system] ')'=(;)
   Fail: (232) [system] ')'=(;)
   Call: (232) [system] ')'=(/)
   Fail: (232) [system] ')'=(/)
^  Call: (232) [user] is_like_space(')')
   Call: (233) [system] char_type(')', 'white')
   Fail: (233) [system] char_type(')', 'white')
   Call: (233) [system] char_type(')', end_of_line)
   Fail: (233) [system] char_type(')', end_of_line)
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] char_type(')', cntrl)
   Fail: (233) [system] char_type(')', cntrl)
^  Fail: (232) [user] is_like_space(')')
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1745202)
   Exit: (231) [system] peek_char((0x55772f068e50), ')')
   Call: (231) [system] ')'=')'
   Exit: (231) [system] ')'=')'
   Call: (231) [system] get_char((0x55772f068e50), _1748992)
   Exit: (231) [system] get_char((0x55772f068e50), ')')
   Call: (231) [system] _1727334=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_list(')', (0x55772f068e50), [])
   Call: (230) [system] _1628124=['D']
   Exit: (230) [system] ['D']=['D']
^  Exit: (229) [user] read_list(')', (0x55772f068e50), ['D'])
   Call: (229) [system] _1530786=['C', 'D']
   Exit: (229) [system] ['C', 'D']=['C', 'D']
^  Exit: (228) [user] read_list(')', (0x55772f068e50), ['C', 'D'])
   Call: (228) [system] _1341440=['OrLink', 'C', 'D']
   Exit: (228) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (227) [user] read_list(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Exit: (226) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Call: (226) [user] read_list(')', (0x55772f068e50), _1762874)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1764732)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x55772f068e50), _1774326)
   Exit: (228) [system] get_char((0x55772f068e50), ' ')
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1777030)
   Exit: (229) [system] peek_char((0x55772f068e50), 'E')
   Call: (229) [system] 'E'=(;)
   Fail: (229) [system] 'E'=(;)
   Call: (229) [system] 'E'=(/)
   Fail: (229) [system] 'E'=(/)
^  Call: (229) [user] is_like_space('E')
   Call: (230) [system] char_type('E', 'white')
   Fail: (230) [system] char_type('E', 'white')
   Call: (230) [system] char_type('E', end_of_line)
   Fail: (230) [system] char_type('E', end_of_line)
   Call: (230) [system] char_type('E', space)
   Fail: (230) [system] char_type('E', space)
   Call: (230) [system] char_type('E', cntrl)
   Fail: (230) [system] char_type('E', cntrl)
^  Fail: (229) [user] is_like_space('E')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1793964)
   Exit: (227) [system] peek_char((0x55772f068e50), 'E')
   Call: (227) [system] 'E'=')'
   Fail: (227) [system] 'E'=')'
   Call: (227) [system] 'E'=end_of_file
   Fail: (227) [system] 'E'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x55772f068e50), _1799534)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1801392)
   Exit: (229) [system] peek_char((0x55772f068e50), 'E')
   Call: (229) [system] 'E'=(;)
   Fail: (229) [system] 'E'=(;)
   Call: (229) [system] 'E'=(/)
   Fail: (229) [system] 'E'=(/)
^  Call: (229) [user] is_like_space('E')
   Call: (230) [system] char_type('E', 'white')
   Fail: (230) [system] char_type('E', 'white')
   Call: (230) [system] char_type('E', end_of_line)
   Fail: (230) [system] char_type('E', end_of_line)
   Call: (230) [system] char_type('E', space)
   Fail: (230) [system] char_type('E', space)
   Call: (230) [system] char_type('E', cntrl)
   Fail: (230) [system] char_type('E', cntrl)
^  Fail: (229) [user] is_like_space('E')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] get_char((0x55772f068e50), _1817402)
   Exit: (228) [system] get_char((0x55772f068e50), 'E')
   Call: (228) [system] 'E'='('
   Fail: (228) [system] 'E'='('
   Call: (228) [system] 'E'='['
   Fail: (228) [system] 'E'='['
   Call: (228) [system] 'E'='{'
   Fail: (228) [system] 'E'='{'
   Call: (228) [system] 'E'='"'
   Fail: (228) [system] 'E'='"'
   Call: (228) [system] 'E'=!
   Fail: (228) [system] 'E'=!
   Call: (228) [system] 'E'='\''
   Fail: (228) [system] 'E'='\''
   Call: (228) [system] 'E'='`'
   Fail: (228) [system] 'E'='`'
   Call: (228) [system] 'E'=end_of_file
   Fail: (228) [system] 'E'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x55772f068e50), 'E', _1799534)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1835044)
   Call: (230) [system] peek_char((0x55772f068e50), _1835978)
   Exit: (230) [system] peek_char((0x55772f068e50), ')')
^  Call: (230) [user] is_delimiter(')')
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] arg(_1840698, v('(', ')', end_of_file), ')')
   Exit: (231) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (230) [user] is_delimiter(')')
   Call: (230) [system] _1835044=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (229) [user] classify_and_convert_charseq(['E'], _1799534)
^  Call: (230) [user] classify_and_convert_charseq_(['E'], _1847134)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1848086, _1848088), once(user:catch(read_from_chars(['E'], _1847134), _1848068, fail)), '$restore_trace'(_1848086, _1848088))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1848086, _1848088))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1847134), _1848068, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1847134)
   Fail: (231) [system] atomic(_1847134)
   Call: (231) [system] atom_chars(_1847134, ['E'])
   Exit: (231) [system] atom_chars('E', ['E'])
^  Exit: (230) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (230) [system] integer('E')
   Fail: (230) [system] integer('E')
   Call: (230) [system] _1799534='E'
   Exit: (230) [system] 'E'='E'
^  Exit: (229) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (228) [user] read_symbolic(')', (0x55772f068e50), 'E', 'E')
^  Exit: (227) [user] cont_sexpr(')', (0x55772f068e50), 'E')
^  Call: (227) [user] read_list(')', (0x55772f068e50), _1862084)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1863942)
   Exit: (229) [system] peek_char((0x55772f068e50), ')')
   Call: (229) [system] ')'=(;)
   Fail: (229) [system] ')'=(;)
   Call: (229) [system] ')'=(/)
   Fail: (229) [system] ')'=(/)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Fail: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Fail: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
   Fail: (230) [system] char_type(')', cntrl)
^  Fail: (229) [user] is_like_space(')')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1879952)
   Exit: (228) [system] peek_char((0x55772f068e50), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x55772f068e50), _1883742)
   Exit: (228) [system] get_char((0x55772f068e50), ')')
   Call: (228) [system] _1862084=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x55772f068e50), [])
   Call: (227) [system] _1762874=['E']
   Exit: (227) [system] ['E']=['E']
^  Exit: (226) [user] read_list(')', (0x55772f068e50), ['E'])
   Call: (226) [system] _1304780=[['OrLink', 'C', 'D'], 'E']
   Exit: (226) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (225) [user] read_list(')', (0x55772f068e50), [['OrLink', 'C', 'D'], 'E'])
   Call: (225) [system] _1031784=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (225) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (224) [user] read_list(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (223) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (223) [user] read_list(')', (0x55772f068e50), _1897624)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1899482)
   Exit: (225) [system] peek_char((0x55772f068e50), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x55772f068e50), _1909076)
   Exit: (225) [system] get_char((0x55772f068e50), ' ')
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1911780)
   Exit: (226) [system] peek_char((0x55772f068e50), 'B')
   Call: (226) [system] 'B'=(;)
   Fail: (226) [system] 'B'=(;)
   Call: (226) [system] 'B'=(/)
   Fail: (226) [system] 'B'=(/)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Fail: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Fail: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Fail: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
   Fail: (227) [system] char_type('B', cntrl)
^  Fail: (226) [user] is_like_space('B')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1928714)
   Exit: (224) [system] peek_char((0x55772f068e50), 'B')
   Call: (224) [system] 'B'=')'
   Fail: (224) [system] 'B'=')'
   Call: (224) [system] 'B'=end_of_file
   Fail: (224) [system] 'B'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x55772f068e50), _1934284)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1936142)
   Exit: (226) [system] peek_char((0x55772f068e50), 'B')
   Call: (226) [system] 'B'=(;)
   Fail: (226) [system] 'B'=(;)
   Call: (226) [system] 'B'=(/)
   Fail: (226) [system] 'B'=(/)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Fail: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Fail: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Fail: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
   Fail: (227) [system] char_type('B', cntrl)
^  Fail: (226) [user] is_like_space('B')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] get_char((0x55772f068e50), _1952152)
   Exit: (225) [system] get_char((0x55772f068e50), 'B')
   Call: (225) [system] 'B'='('
   Fail: (225) [system] 'B'='('
   Call: (225) [system] 'B'='['
   Fail: (225) [system] 'B'='['
   Call: (225) [system] 'B'='{'
   Fail: (225) [system] 'B'='{'
   Call: (225) [system] 'B'='"'
   Fail: (225) [system] 'B'='"'
   Call: (225) [system] 'B'=!
   Fail: (225) [system] 'B'=!
   Call: (225) [system] 'B'='\''
   Fail: (225) [system] 'B'='\''
   Call: (225) [system] 'B'='`'
   Fail: (225) [system] 'B'='`'
   Call: (225) [system] 'B'=end_of_file
   Fail: (225) [system] 'B'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x55772f068e50), 'B', _1934284)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1969794)
   Call: (227) [system] peek_char((0x55772f068e50), _1970728)
   Exit: (227) [system] peek_char((0x55772f068e50), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_1975448, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _1969794=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (226) [user] classify_and_convert_charseq(['B'], _1934284)
^  Call: (227) [user] classify_and_convert_charseq_(['B'], _1981884)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1982836, _1982838), once(user:catch(read_from_chars(['B'], _1981884), _1982818, fail)), '$restore_trace'(_1982836, _1982838))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1982836, _1982838))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1981884), _1982818, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1981884)
   Fail: (228) [system] atomic(_1981884)
   Call: (228) [system] atom_chars(_1981884, ['B'])
   Exit: (228) [system] atom_chars('B', ['B'])
^  Exit: (227) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (227) [system] integer('B')
   Fail: (227) [system] integer('B')
   Call: (227) [system] _1934284='B'
   Exit: (227) [system] 'B'='B'
^  Exit: (226) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (225) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (224) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (224) [user] read_list(')', (0x55772f068e50), _1996834)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1998692)
   Exit: (226) [system] peek_char((0x55772f068e50), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
   Call: (226) [system] ')'=(/)
   Fail: (226) [system] ')'=(/)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _2014702)
   Exit: (225) [system] peek_char((0x55772f068e50), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x55772f068e50), _2018492)
   Exit: (225) [system] get_char((0x55772f068e50), ')')
   Call: (225) [system] _1996834=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x55772f068e50), [])
   Call: (224) [system] _1897624=['B']
   Exit: (224) [system] ['B']=['B']
^  Exit: (223) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (223) [system] _995124=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
   Exit: (223) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
^  Exit: (222) [user] read_list(')', (0x55772f068e50), [['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
   Call: (222) [system] _805778=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
   Exit: (222) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
^  Exit: (221) [user] read_list(')', (0x55772f068e50), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
^  Call: (220) [user] read_list(')', (0x55772f068e50), _2032374)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _2034232)
   Exit: (222) [system] peek_char((0x55772f068e50), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
   Call: (222) [system] ')'=(/)
   Fail: (222) [system] ')'=(/)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _2050242)
   Exit: (221) [system] peek_char((0x55772f068e50), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x55772f068e50), _2054032)
   Exit: (221) [system] get_char((0x55772f068e50), ')')
   Call: (221) [system] _2032374=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x55772f068e50), [])
   Call: (220) [system] _769118=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (220) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (219) [user] read_list(')', (0x55772f068e50), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
   Call: (219) [system] _5722=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (219) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (218) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
   Call: (218) [system] _5714=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (218) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (217) [user] read_list(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
^  Exit: (216) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
^  Call: (216) [user] read_list(')', (0x55772f068e50), _2067914)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _2069772)
   Exit: (218) [system] peek_char((0x55772f068e50), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
   Call: (218) [system] ')'=(/)
   Fail: (218) [system] ')'=(/)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _2085782)
   Exit: (217) [system] peek_char((0x55772f068e50), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x55772f068e50), _2089572)
   Exit: (217) [system] get_char((0x55772f068e50), ')')
   Call: (217) [system] _2067914=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x55772f068e50), [])
   Call: (216) [system] _5710=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]
   Exit: (216) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]
^  Exit: (215) [user] read_list(')', (0x55772f068e50), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]])
   Call: (215) [system] _5668=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]
   Exit: (215) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]
^  Exit: (214) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]])
   Call: (214) [system] _5660=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]
   Exit: (214) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]
^  Exit: (213) [user] read_list(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]])
^  Exit: (212) [user] cont_sexpr(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]])
^  Call: (212) [user] read_list(')', (0x55772f068e50), _12310)
^  Call: (213) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _14168)
   Exit: (214) [system] peek_char((0x55772f068e50), '\n')
   Call: (214) [system] '\n'=(;)
   Fail: (214) [system] '\n'=(;)
   Call: (214) [system] '\n'=(/)
   Fail: (214) [system] '\n'=(/)
^  Call: (214) [user] is_like_space('\n')
   Call: (215) [system] char_type('\n', 'white')
   Fail: (215) [system] char_type('\n', 'white')
   Call: (215) [system] char_type('\n', end_of_line)
   Exit: (215) [system] char_type('\n', end_of_line)
^  Exit: (214) [user] is_like_space('\n')
   Call: (214) [system] get_char((0x55772f068e50), _25618)
   Exit: (214) [system] get_char((0x55772f068e50), '\n')
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _28322)
   Exit: (215) [system] peek_char((0x55772f068e50), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x55772f068e50), _37916)
   Exit: (215) [system] get_char((0x55772f068e50), ' ')
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _40620)
   Exit: (216) [system] peek_char((0x55772f068e50), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
^  Exit: (213) [user] skip_spaces((0x55772f068e50))
   Call: (213) [system] peek_char((0x55772f068e50), _58478)
   Exit: (213) [system] peek_char((0x55772f068e50), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x55772f068e50), _64048)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _65906)
   Exit: (215) [system] peek_char((0x55772f068e50), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] get_char((0x55772f068e50), _81916)
   Exit: (214) [system] get_char((0x55772f068e50), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x55772f068e50), _64048)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _87486)
   Exit: (216) [system] peek_char((0x55772f068e50), :)
   Call: (216) [system] (:)=(;)
   Fail: (216) [system] (:)=(;)
   Call: (216) [system] (:)=(/)
   Fail: (216) [system] (:)=(/)
^  Call: (216) [user] is_like_space(:)
   Call: (217) [system] char_type(:, 'white')
   Fail: (217) [system] char_type(:, 'white')
   Call: (217) [system] char_type(:, end_of_line)
   Fail: (217) [system] char_type(:, end_of_line)
   Call: (217) [system] char_type(:, space)
   Fail: (217) [system] char_type(:, space)
   Call: (217) [system] char_type(:, cntrl)
   Fail: (217) [system] char_type(:, cntrl)
^  Fail: (216) [user] is_like_space(:)
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _103496)
   Exit: (215) [system] peek_char((0x55772f068e50), :)
   Call: (215) [system] (:)=')'
   Fail: (215) [system] (:)=')'
   Call: (215) [system] (:)=end_of_file
   Fail: (215) [system] (:)=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x55772f068e50), _109066)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _110924)
   Exit: (217) [system] peek_char((0x55772f068e50), :)
   Call: (217) [system] (:)=(;)
   Fail: (217) [system] (:)=(;)
   Call: (217) [system] (:)=(/)
   Fail: (217) [system] (:)=(/)
^  Call: (217) [user] is_like_space(:)
   Call: (218) [system] char_type(:, 'white')
   Fail: (218) [system] char_type(:, 'white')
   Call: (218) [system] char_type(:, end_of_line)
   Fail: (218) [system] char_type(:, end_of_line)
   Call: (218) [system] char_type(:, space)
   Fail: (218) [system] char_type(:, space)
   Call: (218) [system] char_type(:, cntrl)
   Fail: (218) [system] char_type(:, cntrl)
^  Fail: (217) [user] is_like_space(:)
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] get_char((0x55772f068e50), _126934)
   Exit: (216) [system] get_char((0x55772f068e50), :)
   Call: (216) [system] (:)='('
   Fail: (216) [system] (:)='('
   Call: (216) [system] (:)='['
   Fail: (216) [system] (:)='['
   Call: (216) [system] (:)='{'
   Fail: (216) [system] (:)='{'
   Call: (216) [system] (:)='"'
   Fail: (216) [system] (:)='"'
   Call: (216) [system] (:)=!
   Fail: (216) [system] (:)=!
   Call: (216) [system] (:)='\''
   Fail: (216) [system] (:)='\''
   Call: (216) [system] (:)='`'
   Fail: (216) [system] (:)='`'
   Call: (216) [system] (:)=end_of_file
   Fail: (216) [system] (:)=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x55772f068e50), :, _109066)
^  Call: (217) [user] read_symbolic_cont(')', (0x55772f068e50), _144576)
   Call: (218) [system] peek_char((0x55772f068e50), _145510)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _144576=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (217) [user] classify_and_convert_charseq([:], _109066)
^  Call: (218) [user] classify_and_convert_charseq_([:], _154794)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_155746, _155748), once(user:catch(read_from_chars([:], _154794), _155728, fail)), '$restore_trace'(_155746, _155748))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_155746, _155748))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _155728, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(:)
   Exit: (219) [system] atomic(:)
^  Exit: (218) [user] classify_and_convert_charseq_([:], :)
   Call: (218) [system] integer(:)
   Fail: (218) [system] integer(:)
   Call: (218) [system] _109066=(:)
   Exit: (218) [system] (:)=(:)
^  Exit: (217) [user] classify_and_convert_charseq([:], :)
^  Exit: (216) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (215) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (215) [user] read_list(')', (0x55772f068e50), _167874)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _169732)
   Exit: (217) [system] peek_char((0x55772f068e50), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x55772f068e50), _179326)
   Exit: (217) [system] get_char((0x55772f068e50), ' ')
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _182030)
   Exit: (218) [system] peek_char((0x55772f068e50), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _198964)
   Exit: (216) [system] peek_char((0x55772f068e50), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x55772f068e50), _204534)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _206392)
   Exit: (218) [system] peek_char((0x55772f068e50), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] get_char((0x55772f068e50), _222402)
   Exit: (217) [system] get_char((0x55772f068e50), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x55772f068e50), _204534)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _227972)
   Exit: (219) [system] peek_char((0x55772f068e50), 'D')
   Call: (219) [system] 'D'=(;)
   Fail: (219) [system] 'D'=(;)
   Call: (219) [system] 'D'=(/)
   Fail: (219) [system] 'D'=(/)
^  Call: (219) [user] is_like_space('D')
   Call: (220) [system] char_type('D', 'white')
   Fail: (220) [system] char_type('D', 'white')
   Call: (220) [system] char_type('D', end_of_line)
   Fail: (220) [system] char_type('D', end_of_line)
   Call: (220) [system] char_type('D', space)
   Fail: (220) [system] char_type('D', space)
   Call: (220) [system] char_type('D', cntrl)
   Fail: (220) [system] char_type('D', cntrl)
^  Fail: (219) [user] is_like_space('D')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _243982)
   Exit: (218) [system] peek_char((0x55772f068e50), 'D')
   Call: (218) [system] 'D'=')'
   Fail: (218) [system] 'D'=')'
   Call: (218) [system] 'D'=end_of_file
   Fail: (218) [system] 'D'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _249552)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _251410)
   Exit: (220) [system] peek_char((0x55772f068e50), 'D')
   Call: (220) [system] 'D'=(;)
   Fail: (220) [system] 'D'=(;)
   Call: (220) [system] 'D'=(/)
   Fail: (220) [system] 'D'=(/)
^  Call: (220) [user] is_like_space('D')
   Call: (221) [system] char_type('D', 'white')
   Fail: (221) [system] char_type('D', 'white')
   Call: (221) [system] char_type('D', end_of_line)
   Fail: (221) [system] char_type('D', end_of_line)
   Call: (221) [system] char_type('D', space)
   Fail: (221) [system] char_type('D', space)
   Call: (221) [system] char_type('D', cntrl)
   Fail: (221) [system] char_type('D', cntrl)
^  Fail: (220) [user] is_like_space('D')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _267420)
   Exit: (219) [system] get_char((0x55772f068e50), 'D')
   Call: (219) [system] 'D'='('
   Fail: (219) [system] 'D'='('
   Call: (219) [system] 'D'='['
   Fail: (219) [system] 'D'='['
   Call: (219) [system] 'D'='{'
   Fail: (219) [system] 'D'='{'
   Call: (219) [system] 'D'='"'
   Fail: (219) [system] 'D'='"'
   Call: (219) [system] 'D'=!
   Fail: (219) [system] 'D'=!
   Call: (219) [system] 'D'='\''
   Fail: (219) [system] 'D'='\''
   Call: (219) [system] 'D'='`'
   Fail: (219) [system] 'D'='`'
   Call: (219) [system] 'D'=end_of_file
   Fail: (219) [system] 'D'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x55772f068e50), 'D', _249552)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _285062)
   Call: (221) [system] peek_char((0x55772f068e50), _285996)
   Exit: (221) [system] peek_char((0x55772f068e50), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_290716, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_291648, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x55772f068e50), i)
   Exit: (221) [system] get_char((0x55772f068e50), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _298998)
   Call: (222) [system] peek_char((0x55772f068e50), _299932)
   Exit: (222) [system] peek_char((0x55772f068e50), s)
^  Call: (222) [user] is_delimiter(s)
   Call: (223) [system] char_type(s, space)
   Fail: (223) [system] char_type(s, space)
   Call: (223) [system] arg(_304652, v('(', ')', end_of_file), s)
   Fail: (223) [system] arg(_305584, v('(', ')', end_of_file), s)
^  Fail: (222) [user] is_delimiter(s)
   Call: (222) [system] ')'==s
   Fail: (222) [system] ')'==s
   Call: (222) [system] get_char((0x55772f068e50), s)
   Exit: (222) [system] get_char((0x55772f068e50), s)
   Call: (222) [system] s=(\)
   Fail: (222) [system] s=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _312934)
   Call: (223) [system] peek_char((0x55772f068e50), _313868)
   Exit: (223) [system] peek_char((0x55772f068e50), j)
^  Call: (223) [user] is_delimiter(j)
   Call: (224) [system] char_type(j, space)
   Fail: (224) [system] char_type(j, space)
   Call: (224) [system] arg(_318588, v('(', ')', end_of_file), j)
   Fail: (224) [system] arg(_319520, v('(', ')', end_of_file), j)
^  Fail: (223) [user] is_delimiter(j)
   Call: (223) [system] ')'==j
   Fail: (223) [system] ')'==j
   Call: (223) [system] get_char((0x55772f068e50), j)
   Exit: (223) [system] get_char((0x55772f068e50), j)
   Call: (223) [system] j=(\)
   Fail: (223) [system] j=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _326870)
   Call: (224) [system] peek_char((0x55772f068e50), _327804)
   Exit: (224) [system] peek_char((0x55772f068e50), u)
^  Call: (224) [user] is_delimiter(u)
   Call: (225) [system] char_type(u, space)
   Fail: (225) [system] char_type(u, space)
   Call: (225) [system] arg(_332524, v('(', ')', end_of_file), u)
   Fail: (225) [system] arg(_333456, v('(', ')', end_of_file), u)
^  Fail: (224) [user] is_delimiter(u)
   Call: (224) [system] ')'==u
   Fail: (224) [system] ')'==u
   Call: (224) [system] get_char((0x55772f068e50), u)
   Exit: (224) [system] get_char((0x55772f068e50), u)
   Call: (224) [system] u=(\)
   Fail: (224) [system] u=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _340806)
   Call: (225) [system] peek_char((0x55772f068e50), _341740)
   Exit: (225) [system] peek_char((0x55772f068e50), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_346460, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_347392, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x55772f068e50), n)
   Exit: (225) [system] get_char((0x55772f068e50), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _354742)
   Call: (226) [system] peek_char((0x55772f068e50), _355676)
   Exit: (226) [system] peek_char((0x55772f068e50), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_360396, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_361328, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x55772f068e50), c)
   Exit: (226) [system] get_char((0x55772f068e50), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _368678)
   Call: (227) [system] peek_char((0x55772f068e50), _369612)
   Exit: (227) [system] peek_char((0x55772f068e50), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_374332, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_375264, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x55772f068e50), t)
   Exit: (227) [system] get_char((0x55772f068e50), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _382614)
   Call: (228) [system] peek_char((0x55772f068e50), _383548)
   Exit: (228) [system] peek_char((0x55772f068e50), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_388268, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_389200, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x55772f068e50), i)
   Exit: (228) [system] get_char((0x55772f068e50), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _396550)
   Call: (229) [system] peek_char((0x55772f068e50), _397484)
   Exit: (229) [system] peek_char((0x55772f068e50), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_402204, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_403136, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x55772f068e50), o)
   Exit: (229) [system] get_char((0x55772f068e50), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _410486)
   Call: (230) [system] peek_char((0x55772f068e50), _411420)
   Exit: (230) [system] peek_char((0x55772f068e50), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_416140, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_417072, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x55772f068e50), n)
   Exit: (230) [system] get_char((0x55772f068e50), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _424422)
   Call: (231) [system] peek_char((0x55772f068e50), _425356)
   Exit: (231) [system] peek_char((0x55772f068e50), 'I')
^  Call: (231) [user] is_delimiter('I')
   Call: (232) [system] char_type('I', space)
   Fail: (232) [system] char_type('I', space)
   Call: (232) [system] arg(_430076, v('(', ')', end_of_file), 'I')
   Fail: (232) [system] arg(_431008, v('(', ')', end_of_file), 'I')
^  Fail: (231) [user] is_delimiter('I')
   Call: (231) [system] ')'=='I'
   Fail: (231) [system] ')'=='I'
   Call: (231) [system] get_char((0x55772f068e50), 'I')
   Exit: (231) [system] get_char((0x55772f068e50), 'I')
   Call: (231) [system] 'I'=(\)
   Fail: (231) [system] 'I'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _438358)
   Call: (232) [system] peek_char((0x55772f068e50), _439292)
   Exit: (232) [system] peek_char((0x55772f068e50), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_444012, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_444944, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x55772f068e50), n)
   Exit: (232) [system] get_char((0x55772f068e50), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _452294)
   Call: (233) [system] peek_char((0x55772f068e50), _453228)
   Exit: (233) [system] peek_char((0x55772f068e50), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Fail: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_457948, v('(', ')', end_of_file), t)
   Fail: (234) [system] arg(_458880, v('(', ')', end_of_file), t)
^  Fail: (233) [user] is_delimiter(t)
   Call: (233) [system] ')'==t
   Fail: (233) [system] ')'==t
   Call: (233) [system] get_char((0x55772f068e50), t)
   Exit: (233) [system] get_char((0x55772f068e50), t)
   Call: (233) [system] t=(\)
   Fail: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _466230)
   Call: (234) [system] peek_char((0x55772f068e50), _467164)
   Exit: (234) [system] peek_char((0x55772f068e50), r)
^  Call: (234) [user] is_delimiter(r)
   Call: (235) [system] char_type(r, space)
   Fail: (235) [system] char_type(r, space)
   Call: (235) [system] arg(_471884, v('(', ')', end_of_file), r)
   Fail: (235) [system] arg(_472816, v('(', ')', end_of_file), r)
^  Fail: (234) [user] is_delimiter(r)
   Call: (234) [system] ')'==r
   Fail: (234) [system] ')'==r
   Call: (234) [system] get_char((0x55772f068e50), r)
   Exit: (234) [system] get_char((0x55772f068e50), r)
   Call: (234) [system] r=(\)
   Fail: (234) [system] r=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _480166)
   Call: (235) [system] peek_char((0x55772f068e50), _481100)
   Exit: (235) [system] peek_char((0x55772f068e50), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Fail: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_485820, v('(', ')', end_of_file), o)
   Fail: (236) [system] arg(_486752, v('(', ')', end_of_file), o)
^  Fail: (235) [user] is_delimiter(o)
   Call: (235) [system] ')'==o
   Fail: (235) [system] ')'==o
   Call: (235) [system] get_char((0x55772f068e50), o)
   Exit: (235) [system] get_char((0x55772f068e50), o)
   Call: (235) [system] o=(\)
   Fail: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _494102)
   Call: (236) [system] peek_char((0x55772f068e50), _495036)
   Exit: (236) [system] peek_char((0x55772f068e50), d)
^  Call: (236) [user] is_delimiter(d)
   Call: (237) [system] char_type(d, space)
   Fail: (237) [system] char_type(d, space)
   Call: (237) [system] arg(_499756, v('(', ')', end_of_file), d)
   Fail: (237) [system] arg(_500688, v('(', ')', end_of_file), d)
^  Fail: (236) [user] is_delimiter(d)
   Call: (236) [system] ')'==d
   Fail: (236) [system] ')'==d
   Call: (236) [system] get_char((0x55772f068e50), d)
   Exit: (236) [system] get_char((0x55772f068e50), d)
   Call: (236) [system] d=(\)
   Fail: (236) [system] d=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _508038)
   Call: (237) [system] peek_char((0x55772f068e50), _508972)
   Exit: (237) [system] peek_char((0x55772f068e50), u)
^  Call: (237) [user] is_delimiter(u)
   Call: (238) [system] char_type(u, space)
   Fail: (238) [system] char_type(u, space)
   Call: (238) [system] arg(_513692, v('(', ')', end_of_file), u)
   Fail: (238) [system] arg(_514624, v('(', ')', end_of_file), u)
^  Fail: (237) [user] is_delimiter(u)
   Call: (237) [system] ')'==u
   Fail: (237) [system] ')'==u
   Call: (237) [system] get_char((0x55772f068e50), u)
   Exit: (237) [system] get_char((0x55772f068e50), u)
   Call: (237) [system] u=(\)
   Fail: (237) [system] u=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _521974)
   Call: (238) [system] peek_char((0x55772f068e50), _522908)
   Exit: (238) [system] peek_char((0x55772f068e50), c)
^  Call: (238) [user] is_delimiter(c)
   Call: (239) [system] char_type(c, space)
   Fail: (239) [system] char_type(c, space)
   Call: (239) [system] arg(_527628, v('(', ')', end_of_file), c)
   Fail: (239) [system] arg(_528560, v('(', ')', end_of_file), c)
^  Fail: (238) [user] is_delimiter(c)
   Call: (238) [system] ')'==c
   Fail: (238) [system] ')'==c
   Call: (238) [system] get_char((0x55772f068e50), c)
   Exit: (238) [system] get_char((0x55772f068e50), c)
   Call: (238) [system] c=(\)
   Fail: (238) [system] c=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _535910)
   Call: (239) [system] peek_char((0x55772f068e50), _536844)
   Exit: (239) [system] peek_char((0x55772f068e50), t)
^  Call: (239) [user] is_delimiter(t)
   Call: (240) [system] char_type(t, space)
   Fail: (240) [system] char_type(t, space)
   Call: (240) [system] arg(_541564, v('(', ')', end_of_file), t)
   Fail: (240) [system] arg(_542496, v('(', ')', end_of_file), t)
^  Fail: (239) [user] is_delimiter(t)
   Call: (239) [system] ')'==t
   Fail: (239) [system] ')'==t
   Call: (239) [system] get_char((0x55772f068e50), t)
   Exit: (239) [system] get_char((0x55772f068e50), t)
   Call: (239) [system] t=(\)
   Fail: (239) [system] t=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _549846)
   Call: (240) [system] peek_char((0x55772f068e50), _550780)
   Exit: (240) [system] peek_char((0x55772f068e50), i)
^  Call: (240) [user] is_delimiter(i)
   Call: (241) [system] char_type(i, space)
   Fail: (241) [system] char_type(i, space)
   Call: (241) [system] arg(_555500, v('(', ')', end_of_file), i)
   Fail: (241) [system] arg(_556432, v('(', ')', end_of_file), i)
^  Fail: (240) [user] is_delimiter(i)
   Call: (240) [system] ')'==i
   Fail: (240) [system] ')'==i
   Call: (240) [system] get_char((0x55772f068e50), i)
   Exit: (240) [system] get_char((0x55772f068e50), i)
   Call: (240) [system] i=(\)
   Fail: (240) [system] i=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _563782)
   Call: (241) [system] peek_char((0x55772f068e50), _564716)
   Exit: (241) [system] peek_char((0x55772f068e50), o)
^  Call: (241) [user] is_delimiter(o)
   Call: (242) [system] char_type(o, space)
   Fail: (242) [system] char_type(o, space)
   Call: (242) [system] arg(_569436, v('(', ')', end_of_file), o)
   Fail: (242) [system] arg(_570368, v('(', ')', end_of_file), o)
^  Fail: (241) [user] is_delimiter(o)
   Call: (241) [system] ')'==o
   Fail: (241) [system] ')'==o
   Call: (241) [system] get_char((0x55772f068e50), o)
   Exit: (241) [system] get_char((0x55772f068e50), o)
   Call: (241) [system] o=(\)
   Fail: (241) [system] o=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x55772f068e50), _577718)
   Call: (242) [system] peek_char((0x55772f068e50), _578652)
   Exit: (242) [system] peek_char((0x55772f068e50), n)
^  Call: (242) [user] is_delimiter(n)
   Call: (243) [system] char_type(n, space)
   Fail: (243) [system] char_type(n, space)
   Call: (243) [system] arg(_583372, v('(', ')', end_of_file), n)
   Fail: (243) [system] arg(_584304, v('(', ')', end_of_file), n)
^  Fail: (242) [user] is_delimiter(n)
   Call: (242) [system] ')'==n
   Fail: (242) [system] ')'==n
   Call: (242) [system] get_char((0x55772f068e50), n)
   Exit: (242) [system] get_char((0x55772f068e50), n)
   Call: (242) [system] n=(\)
   Fail: (242) [system] n=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x55772f068e50), _591654)
   Call: (243) [system] peek_char((0x55772f068e50), _592588)
   Exit: (243) [system] peek_char((0x55772f068e50), ' ')
^  Call: (243) [user] is_delimiter(' ')
   Call: (244) [system] char_type(' ', space)
   Exit: (244) [system] char_type(' ', space)
^  Exit: (243) [user] is_delimiter(' ')
   Call: (243) [system] _591654=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (242) [system] _577718=[n]
   Exit: (242) [system] [n]=[n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (241) [system] _563782=[o, n]
   Exit: (241) [system] [o, n]=[o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (240) [system] _549846=[i, o, n]
   Exit: (240) [system] [i, o, n]=[i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (239) [system] _535910=[t, i, o, n]
   Exit: (239) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (238) [system] _521974=[c, t, i, o, n]
   Exit: (238) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (237) [system] _508038=[u, c, t, i, o, n]
   Exit: (237) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (236) [system] _494102=[d, u, c, t, i, o, n]
   Exit: (236) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (235) [system] _480166=[o, d, u, c, t, i, o, n]
   Exit: (235) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (234) [system] _466230=[r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _452294=[t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _438358=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _424422=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _410486=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _396550=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _382614=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _368678=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _354742=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _340806=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _326870=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _312934=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _298998=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _285062=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (220) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _249552)
^  Call: (221) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _663340)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_664292, _664294), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _663340), _664274, fail)), '$restore_trace'(_664292, _664294))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_664292, _664294))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _663340), _664274, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_663340)
   Fail: (222) [system] atomic(_663340)
   Call: (222) [system] atom_chars(_663340, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (222) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (221) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (221) [system] integer('DisjunctionIntroduction')
   Fail: (221) [system] integer('DisjunctionIntroduction')
   Call: (221) [system] _249552='DisjunctionIntroduction'
   Exit: (221) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (220) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (219) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (218) [user] read_list(')', (0x55772f068e50), _678290)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _680148)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x55772f068e50), _689742)
   Exit: (220) [system] get_char((0x55772f068e50), ' ')
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _692446)
   Exit: (221) [system] peek_char((0x55772f068e50), a)
   Call: (221) [system] a=(;)
   Fail: (221) [system] a=(;)
   Call: (221) [system] a=(/)
   Fail: (221) [system] a=(/)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Fail: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Fail: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
   Fail: (222) [system] char_type(a, cntrl)
^  Fail: (221) [user] is_like_space(a)
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _709380)
   Exit: (219) [system] peek_char((0x55772f068e50), a)
   Call: (219) [system] a=')'
   Fail: (219) [system] a=')'
   Call: (219) [system] a=end_of_file
   Fail: (219) [system] a=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _714950)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _716808)
   Exit: (221) [system] peek_char((0x55772f068e50), a)
   Call: (221) [system] a=(;)
   Fail: (221) [system] a=(;)
   Call: (221) [system] a=(/)
   Fail: (221) [system] a=(/)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Fail: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Fail: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
   Fail: (222) [system] char_type(a, cntrl)
^  Fail: (221) [user] is_like_space(a)
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _732818)
   Exit: (220) [system] get_char((0x55772f068e50), a)
   Call: (220) [system] a='('
   Fail: (220) [system] a='('
   Call: (220) [system] a='['
   Fail: (220) [system] a='['
   Call: (220) [system] a='{'
   Fail: (220) [system] a='{'
   Call: (220) [system] a='"'
   Fail: (220) [system] a='"'
   Call: (220) [system] a=!
   Fail: (220) [system] a=!
   Call: (220) [system] a='\''
   Fail: (220) [system] a='\''
   Call: (220) [system] a='`'
   Fail: (220) [system] a='`'
   Call: (220) [system] a=end_of_file
   Fail: (220) [system] a=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x55772f068e50), a, _714950)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _750460)
   Call: (222) [system] peek_char((0x55772f068e50), _751394)
   Exit: (222) [system] peek_char((0x55772f068e50), b)
^  Call: (222) [user] is_delimiter(b)
   Call: (223) [system] char_type(b, space)
   Fail: (223) [system] char_type(b, space)
   Call: (223) [system] arg(_756114, v('(', ')', end_of_file), b)
   Fail: (223) [system] arg(_757046, v('(', ')', end_of_file), b)
^  Fail: (222) [user] is_delimiter(b)
   Call: (222) [system] ')'==b
   Fail: (222) [system] ')'==b
   Call: (222) [system] get_char((0x55772f068e50), b)
   Exit: (222) [system] get_char((0x55772f068e50), b)
   Call: (222) [system] b=(\)
   Fail: (222) [system] b=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _764396)
   Call: (223) [system] peek_char((0x55772f068e50), _765330)
   Exit: (223) [system] peek_char((0x55772f068e50), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_770050, v('(', ')', end_of_file), c)
   Fail: (224) [system] arg(_770982, v('(', ')', end_of_file), c)
^  Fail: (223) [user] is_delimiter(c)
   Call: (223) [system] ')'==c
   Fail: (223) [system] ')'==c
   Call: (223) [system] get_char((0x55772f068e50), c)
   Exit: (223) [system] get_char((0x55772f068e50), c)
   Call: (223) [system] c=(\)
   Fail: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _778332)
   Call: (224) [system] peek_char((0x55772f068e50), _779266)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _778332=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (223) [system] _764396=[c]
   Exit: (223) [system] [c]=[c]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (222) [system] _750460=[b, c]
   Exit: (222) [system] [b, c]=[b, c]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (221) [user] classify_and_convert_charseq([a, b, c], _714950)
^  Call: (222) [user] classify_and_convert_charseq_([a, b, c], _794138)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_795090, _795092), once(user:catch(read_from_chars([a, b, c], _794138), _795072, fail)), '$restore_trace'(_795090, _795092))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_795090, _795092))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _795072, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(abc)
   Exit: (223) [system] atomic(abc)
^  Exit: (222) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (222) [system] integer(abc)
   Fail: (222) [system] integer(abc)
   Call: (222) [system] _714950=abc
   Exit: (222) [system] abc=abc
^  Exit: (221) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (220) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (219) [user] read_list(')', (0x55772f068e50), _807218)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _809076)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x55772f068e50), _818670)
   Exit: (221) [system] get_char((0x55772f068e50), ' ')
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _821374)
   Exit: (222) [system] peek_char((0x55772f068e50), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _838308)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _843878)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _845736)
   Exit: (222) [system] peek_char((0x55772f068e50), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _861746)
   Exit: (221) [system] get_char((0x55772f068e50), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x55772f068e50), _843878)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _867316)
   Exit: (223) [system] peek_char((0x55772f068e50), 'D')
   Call: (223) [system] 'D'=(;)
   Fail: (223) [system] 'D'=(;)
   Call: (223) [system] 'D'=(/)
   Fail: (223) [system] 'D'=(/)
^  Call: (223) [user] is_like_space('D')
   Call: (224) [system] char_type('D', 'white')
   Fail: (224) [system] char_type('D', 'white')
   Call: (224) [system] char_type('D', end_of_line)
   Fail: (224) [system] char_type('D', end_of_line)
   Call: (224) [system] char_type('D', space)
   Fail: (224) [system] char_type('D', space)
   Call: (224) [system] char_type('D', cntrl)
   Fail: (224) [system] char_type('D', cntrl)
^  Fail: (223) [user] is_like_space('D')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _883326)
   Exit: (222) [system] peek_char((0x55772f068e50), 'D')
   Call: (222) [system] 'D'=')'
   Fail: (222) [system] 'D'=')'
   Call: (222) [system] 'D'=end_of_file
   Fail: (222) [system] 'D'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _888896)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _890754)
   Exit: (224) [system] peek_char((0x55772f068e50), 'D')
   Call: (224) [system] 'D'=(;)
   Fail: (224) [system] 'D'=(;)
   Call: (224) [system] 'D'=(/)
   Fail: (224) [system] 'D'=(/)
^  Call: (224) [user] is_like_space('D')
   Call: (225) [system] char_type('D', 'white')
   Fail: (225) [system] char_type('D', 'white')
   Call: (225) [system] char_type('D', end_of_line)
   Fail: (225) [system] char_type('D', end_of_line)
   Call: (225) [system] char_type('D', space)
   Fail: (225) [system] char_type('D', space)
   Call: (225) [system] char_type('D', cntrl)
   Fail: (225) [system] char_type('D', cntrl)
^  Fail: (224) [user] is_like_space('D')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _906764)
   Exit: (223) [system] get_char((0x55772f068e50), 'D')
   Call: (223) [system] 'D'='('
   Fail: (223) [system] 'D'='('
   Call: (223) [system] 'D'='['
   Fail: (223) [system] 'D'='['
   Call: (223) [system] 'D'='{'
   Fail: (223) [system] 'D'='{'
   Call: (223) [system] 'D'='"'
   Fail: (223) [system] 'D'='"'
   Call: (223) [system] 'D'=!
   Fail: (223) [system] 'D'=!
   Call: (223) [system] 'D'='\''
   Fail: (223) [system] 'D'='\''
   Call: (223) [system] 'D'='`'
   Fail: (223) [system] 'D'='`'
   Call: (223) [system] 'D'=end_of_file
   Fail: (223) [system] 'D'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x55772f068e50), 'D', _888896)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _924406)
   Call: (225) [system] peek_char((0x55772f068e50), _925340)
   Exit: (225) [system] peek_char((0x55772f068e50), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_930060, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_930992, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x55772f068e50), i)
   Exit: (225) [system] get_char((0x55772f068e50), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _938342)
   Call: (226) [system] peek_char((0x55772f068e50), _939276)
   Exit: (226) [system] peek_char((0x55772f068e50), s)
^  Call: (226) [user] is_delimiter(s)
   Call: (227) [system] char_type(s, space)
   Fail: (227) [system] char_type(s, space)
   Call: (227) [system] arg(_943996, v('(', ')', end_of_file), s)
   Fail: (227) [system] arg(_944928, v('(', ')', end_of_file), s)
^  Fail: (226) [user] is_delimiter(s)
   Call: (226) [system] ')'==s
   Fail: (226) [system] ')'==s
   Call: (226) [system] get_char((0x55772f068e50), s)
   Exit: (226) [system] get_char((0x55772f068e50), s)
   Call: (226) [system] s=(\)
   Fail: (226) [system] s=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _952278)
   Call: (227) [system] peek_char((0x55772f068e50), _953212)
   Exit: (227) [system] peek_char((0x55772f068e50), j)
^  Call: (227) [user] is_delimiter(j)
   Call: (228) [system] char_type(j, space)
   Fail: (228) [system] char_type(j, space)
   Call: (228) [system] arg(_957932, v('(', ')', end_of_file), j)
   Fail: (228) [system] arg(_958864, v('(', ')', end_of_file), j)
^  Fail: (227) [user] is_delimiter(j)
   Call: (227) [system] ')'==j
   Fail: (227) [system] ')'==j
   Call: (227) [system] get_char((0x55772f068e50), j)
   Exit: (227) [system] get_char((0x55772f068e50), j)
   Call: (227) [system] j=(\)
   Fail: (227) [system] j=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _966214)
   Call: (228) [system] peek_char((0x55772f068e50), _967148)
   Exit: (228) [system] peek_char((0x55772f068e50), u)
^  Call: (228) [user] is_delimiter(u)
   Call: (229) [system] char_type(u, space)
   Fail: (229) [system] char_type(u, space)
   Call: (229) [system] arg(_971868, v('(', ')', end_of_file), u)
   Fail: (229) [system] arg(_972800, v('(', ')', end_of_file), u)
^  Fail: (228) [user] is_delimiter(u)
   Call: (228) [system] ')'==u
   Fail: (228) [system] ')'==u
   Call: (228) [system] get_char((0x55772f068e50), u)
   Exit: (228) [system] get_char((0x55772f068e50), u)
   Call: (228) [system] u=(\)
   Fail: (228) [system] u=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _980150)
   Call: (229) [system] peek_char((0x55772f068e50), _981084)
   Exit: (229) [system] peek_char((0x55772f068e50), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_985804, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_986736, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x55772f068e50), n)
   Exit: (229) [system] get_char((0x55772f068e50), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _994086)
   Call: (230) [system] peek_char((0x55772f068e50), _995020)
   Exit: (230) [system] peek_char((0x55772f068e50), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Fail: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_999740, v('(', ')', end_of_file), c)
   Fail: (231) [system] arg(_1000672, v('(', ')', end_of_file), c)
^  Fail: (230) [user] is_delimiter(c)
   Call: (230) [system] ')'==c
   Fail: (230) [system] ')'==c
   Call: (230) [system] get_char((0x55772f068e50), c)
   Exit: (230) [system] get_char((0x55772f068e50), c)
   Call: (230) [system] c=(\)
   Fail: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1008022)
   Call: (231) [system] peek_char((0x55772f068e50), _1008956)
   Exit: (231) [system] peek_char((0x55772f068e50), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Fail: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_1013676, v('(', ')', end_of_file), t)
   Fail: (232) [system] arg(_1014608, v('(', ')', end_of_file), t)
^  Fail: (231) [user] is_delimiter(t)
   Call: (231) [system] ')'==t
   Fail: (231) [system] ')'==t
   Call: (231) [system] get_char((0x55772f068e50), t)
   Exit: (231) [system] get_char((0x55772f068e50), t)
   Call: (231) [system] t=(\)
   Fail: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1021958)
   Call: (232) [system] peek_char((0x55772f068e50), _1022892)
   Exit: (232) [system] peek_char((0x55772f068e50), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_1027612, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_1028544, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x55772f068e50), i)
   Exit: (232) [system] get_char((0x55772f068e50), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1035894)
   Call: (233) [system] peek_char((0x55772f068e50), _1036828)
   Exit: (233) [system] peek_char((0x55772f068e50), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Fail: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_1041548, v('(', ')', end_of_file), o)
   Fail: (234) [system] arg(_1042480, v('(', ')', end_of_file), o)
^  Fail: (233) [user] is_delimiter(o)
   Call: (233) [system] ')'==o
   Fail: (233) [system] ')'==o
   Call: (233) [system] get_char((0x55772f068e50), o)
   Exit: (233) [system] get_char((0x55772f068e50), o)
   Call: (233) [system] o=(\)
   Fail: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1049830)
   Call: (234) [system] peek_char((0x55772f068e50), _1050764)
   Exit: (234) [system] peek_char((0x55772f068e50), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_1055484, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_1056416, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x55772f068e50), n)
   Exit: (234) [system] get_char((0x55772f068e50), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1063766)
   Call: (235) [system] peek_char((0x55772f068e50), _1064700)
   Exit: (235) [system] peek_char((0x55772f068e50), 'I')
^  Call: (235) [user] is_delimiter('I')
   Call: (236) [system] char_type('I', space)
   Fail: (236) [system] char_type('I', space)
   Call: (236) [system] arg(_1069420, v('(', ')', end_of_file), 'I')
   Fail: (236) [system] arg(_1070352, v('(', ')', end_of_file), 'I')
^  Fail: (235) [user] is_delimiter('I')
   Call: (235) [system] ')'=='I'
   Fail: (235) [system] ')'=='I'
   Call: (235) [system] get_char((0x55772f068e50), 'I')
   Exit: (235) [system] get_char((0x55772f068e50), 'I')
   Call: (235) [system] 'I'=(\)
   Fail: (235) [system] 'I'=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1077702)
   Call: (236) [system] peek_char((0x55772f068e50), _1078636)
   Exit: (236) [system] peek_char((0x55772f068e50), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1083356, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_1084288, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x55772f068e50), n)
   Exit: (236) [system] get_char((0x55772f068e50), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1091638)
   Call: (237) [system] peek_char((0x55772f068e50), _1092572)
   Exit: (237) [system] peek_char((0x55772f068e50), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Fail: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_1097292, v('(', ')', end_of_file), t)
   Fail: (238) [system] arg(_1098224, v('(', ')', end_of_file), t)
^  Fail: (237) [user] is_delimiter(t)
   Call: (237) [system] ')'==t
   Fail: (237) [system] ')'==t
   Call: (237) [system] get_char((0x55772f068e50), t)
   Exit: (237) [system] get_char((0x55772f068e50), t)
   Call: (237) [system] t=(\)
   Fail: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _1105574)
   Call: (238) [system] peek_char((0x55772f068e50), _1106508)
   Exit: (238) [system] peek_char((0x55772f068e50), r)
^  Call: (238) [user] is_delimiter(r)
   Call: (239) [system] char_type(r, space)
   Fail: (239) [system] char_type(r, space)
   Call: (239) [system] arg(_1111228, v('(', ')', end_of_file), r)
   Fail: (239) [system] arg(_1112160, v('(', ')', end_of_file), r)
^  Fail: (238) [user] is_delimiter(r)
   Call: (238) [system] ')'==r
   Fail: (238) [system] ')'==r
   Call: (238) [system] get_char((0x55772f068e50), r)
   Exit: (238) [system] get_char((0x55772f068e50), r)
   Call: (238) [system] r=(\)
   Fail: (238) [system] r=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _1119510)
   Call: (239) [system] peek_char((0x55772f068e50), _1120444)
   Exit: (239) [system] peek_char((0x55772f068e50), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Fail: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_1125164, v('(', ')', end_of_file), o)
   Fail: (240) [system] arg(_1126096, v('(', ')', end_of_file), o)
^  Fail: (239) [user] is_delimiter(o)
   Call: (239) [system] ')'==o
   Fail: (239) [system] ')'==o
   Call: (239) [system] get_char((0x55772f068e50), o)
   Exit: (239) [system] get_char((0x55772f068e50), o)
   Call: (239) [system] o=(\)
   Fail: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _1133446)
   Call: (240) [system] peek_char((0x55772f068e50), _1134380)
   Exit: (240) [system] peek_char((0x55772f068e50), d)
^  Call: (240) [user] is_delimiter(d)
   Call: (241) [system] char_type(d, space)
   Fail: (241) [system] char_type(d, space)
   Call: (241) [system] arg(_1139100, v('(', ')', end_of_file), d)
   Fail: (241) [system] arg(_1140032, v('(', ')', end_of_file), d)
^  Fail: (240) [user] is_delimiter(d)
   Call: (240) [system] ')'==d
   Fail: (240) [system] ')'==d
   Call: (240) [system] get_char((0x55772f068e50), d)
   Exit: (240) [system] get_char((0x55772f068e50), d)
   Call: (240) [system] d=(\)
   Fail: (240) [system] d=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _1147382)
   Call: (241) [system] peek_char((0x55772f068e50), _1148316)
   Exit: (241) [system] peek_char((0x55772f068e50), u)
^  Call: (241) [user] is_delimiter(u)
   Call: (242) [system] char_type(u, space)
   Fail: (242) [system] char_type(u, space)
   Call: (242) [system] arg(_1153036, v('(', ')', end_of_file), u)
   Fail: (242) [system] arg(_1153968, v('(', ')', end_of_file), u)
^  Fail: (241) [user] is_delimiter(u)
   Call: (241) [system] ')'==u
   Fail: (241) [system] ')'==u
   Call: (241) [system] get_char((0x55772f068e50), u)
   Exit: (241) [system] get_char((0x55772f068e50), u)
   Call: (241) [system] u=(\)
   Fail: (241) [system] u=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x55772f068e50), _1161318)
   Call: (242) [system] peek_char((0x55772f068e50), _1162252)
   Exit: (242) [system] peek_char((0x55772f068e50), c)
^  Call: (242) [user] is_delimiter(c)
   Call: (243) [system] char_type(c, space)
   Fail: (243) [system] char_type(c, space)
   Call: (243) [system] arg(_1166972, v('(', ')', end_of_file), c)
   Fail: (243) [system] arg(_1167904, v('(', ')', end_of_file), c)
^  Fail: (242) [user] is_delimiter(c)
   Call: (242) [system] ')'==c
   Fail: (242) [system] ')'==c
   Call: (242) [system] get_char((0x55772f068e50), c)
   Exit: (242) [system] get_char((0x55772f068e50), c)
   Call: (242) [system] c=(\)
   Fail: (242) [system] c=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x55772f068e50), _1175254)
   Call: (243) [system] peek_char((0x55772f068e50), _1176188)
   Exit: (243) [system] peek_char((0x55772f068e50), t)
^  Call: (243) [user] is_delimiter(t)
   Call: (244) [system] char_type(t, space)
   Fail: (244) [system] char_type(t, space)
   Call: (244) [system] arg(_1180908, v('(', ')', end_of_file), t)
   Fail: (244) [system] arg(_1181840, v('(', ')', end_of_file), t)
^  Fail: (243) [user] is_delimiter(t)
   Call: (243) [system] ')'==t
   Fail: (243) [system] ')'==t
   Call: (243) [system] get_char((0x55772f068e50), t)
   Exit: (243) [system] get_char((0x55772f068e50), t)
   Call: (243) [system] t=(\)
   Fail: (243) [system] t=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x55772f068e50), _1189190)
   Call: (244) [system] peek_char((0x55772f068e50), _1190124)
   Exit: (244) [system] peek_char((0x55772f068e50), i)
^  Call: (244) [user] is_delimiter(i)
   Call: (245) [system] char_type(i, space)
   Fail: (245) [system] char_type(i, space)
   Call: (245) [system] arg(_1194844, v('(', ')', end_of_file), i)
   Fail: (245) [system] arg(_1195776, v('(', ')', end_of_file), i)
^  Fail: (244) [user] is_delimiter(i)
   Call: (244) [system] ')'==i
   Fail: (244) [system] ')'==i
   Call: (244) [system] get_char((0x55772f068e50), i)
   Exit: (244) [system] get_char((0x55772f068e50), i)
   Call: (244) [system] i=(\)
   Fail: (244) [system] i=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x55772f068e50), _1203126)
   Call: (245) [system] peek_char((0x55772f068e50), _1204060)
   Exit: (245) [system] peek_char((0x55772f068e50), o)
^  Call: (245) [user] is_delimiter(o)
   Call: (246) [system] char_type(o, space)
   Fail: (246) [system] char_type(o, space)
   Call: (246) [system] arg(_1208780, v('(', ')', end_of_file), o)
   Fail: (246) [system] arg(_1209712, v('(', ')', end_of_file), o)
^  Fail: (245) [user] is_delimiter(o)
   Call: (245) [system] ')'==o
   Fail: (245) [system] ')'==o
   Call: (245) [system] get_char((0x55772f068e50), o)
   Exit: (245) [system] get_char((0x55772f068e50), o)
   Call: (245) [system] o=(\)
   Fail: (245) [system] o=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x55772f068e50), _1217062)
   Call: (246) [system] peek_char((0x55772f068e50), _1217996)
   Exit: (246) [system] peek_char((0x55772f068e50), n)
^  Call: (246) [user] is_delimiter(n)
   Call: (247) [system] char_type(n, space)
   Fail: (247) [system] char_type(n, space)
   Call: (247) [system] arg(_1222716, v('(', ')', end_of_file), n)
   Fail: (247) [system] arg(_1223648, v('(', ')', end_of_file), n)
^  Fail: (246) [user] is_delimiter(n)
   Call: (246) [system] ')'==n
   Fail: (246) [system] ')'==n
   Call: (246) [system] get_char((0x55772f068e50), n)
   Exit: (246) [system] get_char((0x55772f068e50), n)
   Call: (246) [system] n=(\)
   Fail: (246) [system] n=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x55772f068e50), _1230998)
   Call: (247) [system] peek_char((0x55772f068e50), _1231932)
   Exit: (247) [system] peek_char((0x55772f068e50), ' ')
^  Call: (247) [user] is_delimiter(' ')
   Call: (248) [system] char_type(' ', space)
   Exit: (248) [system] char_type(' ', space)
^  Exit: (247) [user] is_delimiter(' ')
   Call: (247) [system] _1230998=[]
   Exit: (247) [system] []=[]
^  Exit: (246) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (246) [system] _1217062=[n]
   Exit: (246) [system] [n]=[n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (245) [system] _1203126=[o, n]
   Exit: (245) [system] [o, n]=[o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (244) [system] _1189190=[i, o, n]
   Exit: (244) [system] [i, o, n]=[i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (243) [system] _1175254=[t, i, o, n]
   Exit: (243) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (242) [system] _1161318=[c, t, i, o, n]
   Exit: (242) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (241) [system] _1147382=[u, c, t, i, o, n]
   Exit: (241) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (240) [system] _1133446=[d, u, c, t, i, o, n]
   Exit: (240) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (239) [system] _1119510=[o, d, u, c, t, i, o, n]
   Exit: (239) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (238) [system] _1105574=[r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _1091638=[t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1077702=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1063766=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1049830=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1035894=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1021958=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1008022=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _994086=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _980150=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _966214=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _952278=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _938342=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _924406=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (224) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _888896)
^  Call: (225) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1302684)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1303636, _1303638), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1302684), _1303618, fail)), '$restore_trace'(_1303636, _1303638))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1303636, _1303638))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1302684), _1303618, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1302684)
   Fail: (226) [system] atomic(_1302684)
   Call: (226) [system] atom_chars(_1302684, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (226) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (225) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (225) [system] integer('DisjunctionIntroduction')
   Fail: (225) [system] integer('DisjunctionIntroduction')
   Call: (225) [system] _888896='DisjunctionIntroduction'
   Exit: (225) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (224) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (223) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (222) [user] read_list(')', (0x55772f068e50), _1317634)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1319492)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x55772f068e50), _1329086)
   Exit: (224) [system] get_char((0x55772f068e50), ' ')
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1331790)
   Exit: (225) [system] peek_char((0x55772f068e50), c)
   Call: (225) [system] c=(;)
   Fail: (225) [system] c=(;)
   Call: (225) [system] c=(/)
   Fail: (225) [system] c=(/)
^  Call: (225) [user] is_like_space(c)
   Call: (226) [system] char_type(c, 'white')
   Fail: (226) [system] char_type(c, 'white')
   Call: (226) [system] char_type(c, end_of_line)
   Fail: (226) [system] char_type(c, end_of_line)
   Call: (226) [system] char_type(c, space)
   Fail: (226) [system] char_type(c, space)
   Call: (226) [system] char_type(c, cntrl)
   Fail: (226) [system] char_type(c, cntrl)
^  Fail: (225) [user] is_like_space(c)
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1348724)
   Exit: (223) [system] peek_char((0x55772f068e50), c)
   Call: (223) [system] c=')'
   Fail: (223) [system] c=')'
   Call: (223) [system] c=end_of_file
   Fail: (223) [system] c=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x55772f068e50), _1354294)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1356152)
   Exit: (225) [system] peek_char((0x55772f068e50), c)
   Call: (225) [system] c=(;)
   Fail: (225) [system] c=(;)
   Call: (225) [system] c=(/)
   Fail: (225) [system] c=(/)
^  Call: (225) [user] is_like_space(c)
   Call: (226) [system] char_type(c, 'white')
   Fail: (226) [system] char_type(c, 'white')
   Call: (226) [system] char_type(c, end_of_line)
   Fail: (226) [system] char_type(c, end_of_line)
   Call: (226) [system] char_type(c, space)
   Fail: (226) [system] char_type(c, space)
   Call: (226) [system] char_type(c, cntrl)
   Fail: (226) [system] char_type(c, cntrl)
^  Fail: (225) [user] is_like_space(c)
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] get_char((0x55772f068e50), _1372162)
   Exit: (224) [system] get_char((0x55772f068e50), c)
   Call: (224) [system] c='('
   Fail: (224) [system] c='('
   Call: (224) [system] c='['
   Fail: (224) [system] c='['
   Call: (224) [system] c='{'
   Fail: (224) [system] c='{'
   Call: (224) [system] c='"'
   Fail: (224) [system] c='"'
   Call: (224) [system] c=!
   Fail: (224) [system] c=!
   Call: (224) [system] c='\''
   Fail: (224) [system] c='\''
   Call: (224) [system] c='`'
   Fail: (224) [system] c='`'
   Call: (224) [system] c=end_of_file
   Fail: (224) [system] c=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x55772f068e50), c, _1354294)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1389804)
   Call: (226) [system] peek_char((0x55772f068e50), _1390738)
   Exit: (226) [system] peek_char((0x55772f068e50), d)
^  Call: (226) [user] is_delimiter(d)
   Call: (227) [system] char_type(d, space)
   Fail: (227) [system] char_type(d, space)
   Call: (227) [system] arg(_1395458, v('(', ')', end_of_file), d)
   Fail: (227) [system] arg(_1396390, v('(', ')', end_of_file), d)
^  Fail: (226) [user] is_delimiter(d)
   Call: (226) [system] ')'==d
   Fail: (226) [system] ')'==d
   Call: (226) [system] get_char((0x55772f068e50), d)
   Exit: (226) [system] get_char((0x55772f068e50), d)
   Call: (226) [system] d=(\)
   Fail: (226) [system] d=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1403740)
   Call: (227) [system] peek_char((0x55772f068e50), _1404674)
   Exit: (227) [system] peek_char((0x55772f068e50), e)
^  Call: (227) [user] is_delimiter(e)
   Call: (228) [system] char_type(e, space)
   Fail: (228) [system] char_type(e, space)
   Call: (228) [system] arg(_1409394, v('(', ')', end_of_file), e)
   Fail: (228) [system] arg(_1410326, v('(', ')', end_of_file), e)
^  Fail: (227) [user] is_delimiter(e)
   Call: (227) [system] ')'==e
   Fail: (227) [system] ')'==e
   Call: (227) [system] get_char((0x55772f068e50), e)
   Exit: (227) [system] get_char((0x55772f068e50), e)
   Call: (227) [system] e=(\)
   Fail: (227) [system] e=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1417676)
   Call: (228) [system] peek_char((0x55772f068e50), _1418610)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1417676=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (227) [system] _1403740=[e]
   Exit: (227) [system] [e]=[e]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (226) [system] _1389804=[d, e]
   Exit: (226) [system] [d, e]=[d, e]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [d, e])
^  Call: (225) [user] classify_and_convert_charseq([c, d, e], _1354294)
^  Call: (226) [user] classify_and_convert_charseq_([c, d, e], _1433482)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1434434, _1434436), once(user:catch(read_from_chars([c, d, e], _1433482), _1434416, fail)), '$restore_trace'(_1434434, _1434436))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1434434, _1434436))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1434416, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(cde)
   Exit: (227) [system] atomic(cde)
^  Exit: (226) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (226) [system] integer(cde)
   Fail: (226) [system] integer(cde)
   Call: (226) [system] _1354294=cde
   Exit: (226) [system] cde=cde
^  Exit: (225) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (224) [user] read_symbolic(')', (0x55772f068e50), c, cde)
^  Exit: (223) [user] cont_sexpr(')', (0x55772f068e50), cde)
^  Call: (223) [user] read_list(')', (0x55772f068e50), _1446562)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1448420)
   Exit: (225) [system] peek_char((0x55772f068e50), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x55772f068e50), _1458014)
   Exit: (225) [system] get_char((0x55772f068e50), ' ')
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1460718)
   Exit: (226) [system] peek_char((0x55772f068e50), c)
   Call: (226) [system] c=(;)
   Fail: (226) [system] c=(;)
   Call: (226) [system] c=(/)
   Fail: (226) [system] c=(/)
^  Call: (226) [user] is_like_space(c)
   Call: (227) [system] char_type(c, 'white')
   Fail: (227) [system] char_type(c, 'white')
   Call: (227) [system] char_type(c, end_of_line)
   Fail: (227) [system] char_type(c, end_of_line)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] char_type(c, cntrl)
   Fail: (227) [system] char_type(c, cntrl)
^  Fail: (226) [user] is_like_space(c)
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1477652)
   Exit: (224) [system] peek_char((0x55772f068e50), c)
   Call: (224) [system] c=')'
   Fail: (224) [system] c=')'
   Call: (224) [system] c=end_of_file
   Fail: (224) [system] c=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x55772f068e50), _1483222)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1485080)
   Exit: (226) [system] peek_char((0x55772f068e50), c)
   Call: (226) [system] c=(;)
   Fail: (226) [system] c=(;)
   Call: (226) [system] c=(/)
   Fail: (226) [system] c=(/)
^  Call: (226) [user] is_like_space(c)
   Call: (227) [system] char_type(c, 'white')
   Fail: (227) [system] char_type(c, 'white')
   Call: (227) [system] char_type(c, end_of_line)
   Fail: (227) [system] char_type(c, end_of_line)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] char_type(c, cntrl)
   Fail: (227) [system] char_type(c, cntrl)
^  Fail: (226) [user] is_like_space(c)
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] get_char((0x55772f068e50), _1501090)
   Exit: (225) [system] get_char((0x55772f068e50), c)
   Call: (225) [system] c='('
   Fail: (225) [system] c='('
   Call: (225) [system] c='['
   Fail: (225) [system] c='['
   Call: (225) [system] c='{'
   Fail: (225) [system] c='{'
   Call: (225) [system] c='"'
   Fail: (225) [system] c='"'
   Call: (225) [system] c=!
   Fail: (225) [system] c=!
   Call: (225) [system] c='\''
   Fail: (225) [system] c='\''
   Call: (225) [system] c='`'
   Fail: (225) [system] c='`'
   Call: (225) [system] c=end_of_file
   Fail: (225) [system] c=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x55772f068e50), c, _1483222)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1518732)
   Call: (227) [system] peek_char((0x55772f068e50), _1519666)
   Exit: (227) [system] peek_char((0x55772f068e50), d)
^  Call: (227) [user] is_delimiter(d)
   Call: (228) [system] char_type(d, space)
   Fail: (228) [system] char_type(d, space)
   Call: (228) [system] arg(_1524386, v('(', ')', end_of_file), d)
   Fail: (228) [system] arg(_1525318, v('(', ')', end_of_file), d)
^  Fail: (227) [user] is_delimiter(d)
   Call: (227) [system] ')'==d
   Fail: (227) [system] ')'==d
   Call: (227) [system] get_char((0x55772f068e50), d)
   Exit: (227) [system] get_char((0x55772f068e50), d)
   Call: (227) [system] d=(\)
   Fail: (227) [system] d=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1532668)
   Call: (228) [system] peek_char((0x55772f068e50), _1533602)
   Exit: (228) [system] peek_char((0x55772f068e50), e)
^  Call: (228) [user] is_delimiter(e)
   Call: (229) [system] char_type(e, space)
   Fail: (229) [system] char_type(e, space)
   Call: (229) [system] arg(_1538322, v('(', ')', end_of_file), e)
   Fail: (229) [system] arg(_1539254, v('(', ')', end_of_file), e)
^  Fail: (228) [user] is_delimiter(e)
   Call: (228) [system] ')'==e
   Fail: (228) [system] ')'==e
   Call: (228) [system] get_char((0x55772f068e50), e)
   Exit: (228) [system] get_char((0x55772f068e50), e)
   Call: (228) [system] e=(\)
   Fail: (228) [system] e=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1546604)
   Call: (229) [system] peek_char((0x55772f068e50), _1547538)
   Exit: (229) [system] peek_char((0x55772f068e50), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_1552258, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _1546604=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (228) [system] _1532668=[e]
   Exit: (228) [system] [e]=[e]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (227) [system] _1518732=[d, e]
   Exit: (227) [system] [d, e]=[d, e]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [d, e])
^  Call: (226) [user] classify_and_convert_charseq([c, d, e], _1483222)
^  Call: (227) [user] classify_and_convert_charseq_([c, d, e], _1564282)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1565234, _1565236), once(user:catch(read_from_chars([c, d, e], _1564282), _1565216, fail)), '$restore_trace'(_1565234, _1565236))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1565234, _1565236))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1565216, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(cde)
   Exit: (228) [system] atomic(cde)
^  Exit: (227) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (227) [system] integer(cde)
   Fail: (227) [system] integer(cde)
   Call: (227) [system] _1483222=cde
   Exit: (227) [system] cde=cde
^  Exit: (226) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (225) [user] read_symbolic(')', (0x55772f068e50), c, cde)
^  Exit: (224) [user] cont_sexpr(')', (0x55772f068e50), cde)
^  Call: (224) [user] read_list(')', (0x55772f068e50), _1577362)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1579220)
   Exit: (226) [system] peek_char((0x55772f068e50), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
   Call: (226) [system] ')'=(/)
   Fail: (226) [system] ')'=(/)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1595230)
   Exit: (225) [system] peek_char((0x55772f068e50), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x55772f068e50), _1599020)
   Exit: (225) [system] get_char((0x55772f068e50), ')')
   Call: (225) [system] _1577362=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x55772f068e50), [])
   Call: (224) [system] _1446562=[cde]
   Exit: (224) [system] [cde]=[cde]
^  Exit: (223) [user] read_list(')', (0x55772f068e50), [cde])
   Call: (223) [system] _1317634=[cde, cde]
   Exit: (223) [system] [cde, cde]=[cde, cde]
^  Exit: (222) [user] read_list(')', (0x55772f068e50), [cde, cde])
   Call: (222) [system] _843878=['DisjunctionIntroduction', cde, cde]
   Exit: (222) [system] ['DisjunctionIntroduction', cde, cde]=['DisjunctionIntroduction', cde, cde]
^  Exit: (221) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', cde, cde])
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', cde, cde])
^  Call: (220) [user] read_list(')', (0x55772f068e50), _1612902)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1614760)
   Exit: (222) [system] peek_char((0x55772f068e50), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
   Call: (222) [system] ')'=(/)
   Fail: (222) [system] ')'=(/)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1630770)
   Exit: (221) [system] peek_char((0x55772f068e50), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x55772f068e50), _1634560)
   Exit: (221) [system] get_char((0x55772f068e50), ')')
   Call: (221) [system] _1612902=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x55772f068e50), [])
   Call: (220) [system] _807218=[['DisjunctionIntroduction', cde, cde]]
   Exit: (220) [system] [['DisjunctionIntroduction', cde, cde]]=[['DisjunctionIntroduction', cde, cde]]
^  Exit: (219) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', cde, cde]])
   Call: (219) [system] _678290=[abc, ['DisjunctionIntroduction', cde, cde]]
   Exit: (219) [system] [abc, ['DisjunctionIntroduction', cde, cde]]=[abc, ['DisjunctionIntroduction', cde, cde]]
^  Exit: (218) [user] read_list(')', (0x55772f068e50), [abc, ['DisjunctionIntroduction', cde, cde]])
   Call: (218) [system] _204534=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]]
   Exit: (218) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]]
^  Exit: (217) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]])
^  Exit: (216) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]])
^  Call: (216) [user] read_list(')', (0x55772f068e50), _1648442)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _1650300)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x55772f068e50), _1659894)
   Exit: (218) [system] get_char((0x55772f068e50), ' ')
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1662598)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _1679532)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _1685102)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1686960)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _1702970)
   Exit: (218) [system] get_char((0x55772f068e50), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x55772f068e50), _1685102)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1708540)
   Exit: (220) [system] peek_char((0x55772f068e50), 'O')
   Call: (220) [system] 'O'=(;)
   Fail: (220) [system] 'O'=(;)
   Call: (220) [system] 'O'=(/)
   Fail: (220) [system] 'O'=(/)
^  Call: (220) [user] is_like_space('O')
   Call: (221) [system] char_type('O', 'white')
   Fail: (221) [system] char_type('O', 'white')
   Call: (221) [system] char_type('O', end_of_line)
   Fail: (221) [system] char_type('O', end_of_line)
   Call: (221) [system] char_type('O', space)
   Fail: (221) [system] char_type('O', space)
   Call: (221) [system] char_type('O', cntrl)
   Fail: (221) [system] char_type('O', cntrl)
^  Fail: (220) [user] is_like_space('O')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _1724550)
   Exit: (219) [system] peek_char((0x55772f068e50), 'O')
   Call: (219) [system] 'O'=')'
   Fail: (219) [system] 'O'=')'
   Call: (219) [system] 'O'=end_of_file
   Fail: (219) [system] 'O'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _1730120)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1731978)
   Exit: (221) [system] peek_char((0x55772f068e50), 'O')
   Call: (221) [system] 'O'=(;)
   Fail: (221) [system] 'O'=(;)
   Call: (221) [system] 'O'=(/)
   Fail: (221) [system] 'O'=(/)
^  Call: (221) [user] is_like_space('O')
   Call: (222) [system] char_type('O', 'white')
   Fail: (222) [system] char_type('O', 'white')
   Call: (222) [system] char_type('O', end_of_line)
   Fail: (222) [system] char_type('O', end_of_line)
   Call: (222) [system] char_type('O', space)
   Fail: (222) [system] char_type('O', space)
   Call: (222) [system] char_type('O', cntrl)
   Fail: (222) [system] char_type('O', cntrl)
^  Fail: (221) [user] is_like_space('O')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _1747988)
   Exit: (220) [system] get_char((0x55772f068e50), 'O')
   Call: (220) [system] 'O'='('
   Fail: (220) [system] 'O'='('
   Call: (220) [system] 'O'='['
   Fail: (220) [system] 'O'='['
   Call: (220) [system] 'O'='{'
   Fail: (220) [system] 'O'='{'
   Call: (220) [system] 'O'='"'
   Fail: (220) [system] 'O'='"'
   Call: (220) [system] 'O'=!
   Fail: (220) [system] 'O'=!
   Call: (220) [system] 'O'='\''
   Fail: (220) [system] 'O'='\''
   Call: (220) [system] 'O'='`'
   Fail: (220) [system] 'O'='`'
   Call: (220) [system] 'O'=end_of_file
   Fail: (220) [system] 'O'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x55772f068e50), 'O', _1730120)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1765630)
   Call: (222) [system] peek_char((0x55772f068e50), _1766564)
   Exit: (222) [system] peek_char((0x55772f068e50), r)
^  Call: (222) [user] is_delimiter(r)
   Call: (223) [system] char_type(r, space)
   Fail: (223) [system] char_type(r, space)
   Call: (223) [system] arg(_1771284, v('(', ')', end_of_file), r)
   Fail: (223) [system] arg(_1772216, v('(', ')', end_of_file), r)
^  Fail: (222) [user] is_delimiter(r)
   Call: (222) [system] ')'==r
   Fail: (222) [system] ')'==r
   Call: (222) [system] get_char((0x55772f068e50), r)
   Exit: (222) [system] get_char((0x55772f068e50), r)
   Call: (222) [system] r=(\)
   Fail: (222) [system] r=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1779566)
   Call: (223) [system] peek_char((0x55772f068e50), _1780500)
   Exit: (223) [system] peek_char((0x55772f068e50), 'L')
^  Call: (223) [user] is_delimiter('L')
   Call: (224) [system] char_type('L', space)
   Fail: (224) [system] char_type('L', space)
   Call: (224) [system] arg(_1785220, v('(', ')', end_of_file), 'L')
   Fail: (224) [system] arg(_1786152, v('(', ')', end_of_file), 'L')
^  Fail: (223) [user] is_delimiter('L')
   Call: (223) [system] ')'=='L'
   Fail: (223) [system] ')'=='L'
   Call: (223) [system] get_char((0x55772f068e50), 'L')
   Exit: (223) [system] get_char((0x55772f068e50), 'L')
   Call: (223) [system] 'L'=(\)
   Fail: (223) [system] 'L'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1793502)
   Call: (224) [system] peek_char((0x55772f068e50), _1794436)
   Exit: (224) [system] peek_char((0x55772f068e50), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_1799156, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_1800088, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x55772f068e50), i)
   Exit: (224) [system] get_char((0x55772f068e50), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1807438)
   Call: (225) [system] peek_char((0x55772f068e50), _1808372)
   Exit: (225) [system] peek_char((0x55772f068e50), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1813092, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_1814024, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x55772f068e50), n)
   Exit: (225) [system] get_char((0x55772f068e50), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1821374)
   Call: (226) [system] peek_char((0x55772f068e50), _1822308)
   Exit: (226) [system] peek_char((0x55772f068e50), k)
^  Call: (226) [user] is_delimiter(k)
   Call: (227) [system] char_type(k, space)
   Fail: (227) [system] char_type(k, space)
   Call: (227) [system] arg(_1827028, v('(', ')', end_of_file), k)
   Fail: (227) [system] arg(_1827960, v('(', ')', end_of_file), k)
^  Fail: (226) [user] is_delimiter(k)
   Call: (226) [system] ')'==k
   Fail: (226) [system] ')'==k
   Call: (226) [system] get_char((0x55772f068e50), k)
   Exit: (226) [system] get_char((0x55772f068e50), k)
   Call: (226) [system] k=(\)
   Fail: (226) [system] k=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1835310)
   Call: (227) [system] peek_char((0x55772f068e50), _1836244)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1835310=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (226) [system] _1821374=[k]
   Exit: (226) [system] [k]=[k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (225) [system] _1807438=[n, k]
   Exit: (225) [system] [n, k]=[n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (224) [system] _1793502=[i, n, k]
   Exit: (224) [system] [i, n, k]=[i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (223) [system] _1779566=['L', i, n, k]
   Exit: (223) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (222) [system] _1765630=[r, 'L', i, n, k]
   Exit: (222) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (221) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1730120)
^  Call: (222) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1859498)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1860450, _1860452), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1859498), _1860432, fail)), '$restore_trace'(_1860450, _1860452))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1860450, _1860452))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1859498), _1860432, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1859498)
   Fail: (223) [system] atomic(_1859498)
   Call: (223) [system] atom_chars(_1859498, ['O', r, 'L', i, n, k])
   Exit: (223) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (222) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (222) [system] integer('OrLink')
   Fail: (222) [system] integer('OrLink')
   Call: (222) [system] _1730120='OrLink'
   Exit: (222) [system] 'OrLink'='OrLink'
^  Exit: (221) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (220) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (219) [user] read_list(')', (0x55772f068e50), _1874448)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1876306)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x55772f068e50), _1885900)
   Exit: (221) [system] get_char((0x55772f068e50), ' ')
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1888604)
   Exit: (222) [system] peek_char((0x55772f068e50), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1905538)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _1911108)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1912966)
   Exit: (222) [system] peek_char((0x55772f068e50), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _1928976)
   Exit: (221) [system] get_char((0x55772f068e50), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x55772f068e50), _1911108)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1934546)
   Exit: (223) [system] peek_char((0x55772f068e50), 'I')
   Call: (223) [system] 'I'=(;)
   Fail: (223) [system] 'I'=(;)
   Call: (223) [system] 'I'=(/)
   Fail: (223) [system] 'I'=(/)
^  Call: (223) [user] is_like_space('I')
   Call: (224) [system] char_type('I', 'white')
   Fail: (224) [system] char_type('I', 'white')
   Call: (224) [system] char_type('I', end_of_line)
   Fail: (224) [system] char_type('I', end_of_line)
   Call: (224) [system] char_type('I', space)
   Fail: (224) [system] char_type('I', space)
   Call: (224) [system] char_type('I', cntrl)
   Fail: (224) [system] char_type('I', cntrl)
^  Fail: (223) [user] is_like_space('I')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1950556)
   Exit: (222) [system] peek_char((0x55772f068e50), 'I')
   Call: (222) [system] 'I'=')'
   Fail: (222) [system] 'I'=')'
   Call: (222) [system] 'I'=end_of_file
   Fail: (222) [system] 'I'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _1956126)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1957984)
   Exit: (224) [system] peek_char((0x55772f068e50), 'I')
   Call: (224) [system] 'I'=(;)
   Fail: (224) [system] 'I'=(;)
   Call: (224) [system] 'I'=(/)
   Fail: (224) [system] 'I'=(/)
^  Call: (224) [user] is_like_space('I')
   Call: (225) [system] char_type('I', 'white')
   Fail: (225) [system] char_type('I', 'white')
   Call: (225) [system] char_type('I', end_of_line)
   Fail: (225) [system] char_type('I', end_of_line)
   Call: (225) [system] char_type('I', space)
   Fail: (225) [system] char_type('I', space)
   Call: (225) [system] char_type('I', cntrl)
   Fail: (225) [system] char_type('I', cntrl)
^  Fail: (224) [user] is_like_space('I')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _1973994)
   Exit: (223) [system] get_char((0x55772f068e50), 'I')
   Call: (223) [system] 'I'='('
   Fail: (223) [system] 'I'='('
   Call: (223) [system] 'I'='['
   Fail: (223) [system] 'I'='['
   Call: (223) [system] 'I'='{'
   Fail: (223) [system] 'I'='{'
   Call: (223) [system] 'I'='"'
   Fail: (223) [system] 'I'='"'
   Call: (223) [system] 'I'=!
   Fail: (223) [system] 'I'=!
   Call: (223) [system] 'I'='\''
   Fail: (223) [system] 'I'='\''
   Call: (223) [system] 'I'='`'
   Fail: (223) [system] 'I'='`'
   Call: (223) [system] 'I'=end_of_file
   Fail: (223) [system] 'I'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x55772f068e50), 'I', _1956126)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1991636)
   Call: (225) [system] peek_char((0x55772f068e50), _1992570)
   Exit: (225) [system] peek_char((0x55772f068e50), m)
^  Call: (225) [user] is_delimiter(m)
   Call: (226) [system] char_type(m, space)
   Fail: (226) [system] char_type(m, space)
   Call: (226) [system] arg(_1997290, v('(', ')', end_of_file), m)
   Fail: (226) [system] arg(_1998222, v('(', ')', end_of_file), m)
^  Fail: (225) [user] is_delimiter(m)
   Call: (225) [system] ')'==m
   Fail: (225) [system] ')'==m
   Call: (225) [system] get_char((0x55772f068e50), m)
   Exit: (225) [system] get_char((0x55772f068e50), m)
   Call: (225) [system] m=(\)
   Fail: (225) [system] m=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _2005572)
   Call: (226) [system] peek_char((0x55772f068e50), _2006506)
   Exit: (226) [system] peek_char((0x55772f068e50), p)
^  Call: (226) [user] is_delimiter(p)
   Call: (227) [system] char_type(p, space)
   Fail: (227) [system] char_type(p, space)
   Call: (227) [system] arg(_2011226, v('(', ')', end_of_file), p)
   Fail: (227) [system] arg(_2012158, v('(', ')', end_of_file), p)
^  Fail: (226) [user] is_delimiter(p)
   Call: (226) [system] ')'==p
   Fail: (226) [system] ')'==p
   Call: (226) [system] get_char((0x55772f068e50), p)
   Exit: (226) [system] get_char((0x55772f068e50), p)
   Call: (226) [system] p=(\)
   Fail: (226) [system] p=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _2019508)
   Call: (227) [system] peek_char((0x55772f068e50), _2020442)
   Exit: (227) [system] peek_char((0x55772f068e50), l)
^  Call: (227) [user] is_delimiter(l)
   Call: (228) [system] char_type(l, space)
   Fail: (228) [system] char_type(l, space)
   Call: (228) [system] arg(_2025162, v('(', ')', end_of_file), l)
   Fail: (228) [system] arg(_2026094, v('(', ')', end_of_file), l)
^  Fail: (227) [user] is_delimiter(l)
   Call: (227) [system] ')'==l
   Fail: (227) [system] ')'==l
   Call: (227) [system] get_char((0x55772f068e50), l)
   Exit: (227) [system] get_char((0x55772f068e50), l)
   Call: (227) [system] l=(\)
   Fail: (227) [system] l=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _2033444)
   Call: (228) [system] peek_char((0x55772f068e50), _2034378)
   Exit: (228) [system] peek_char((0x55772f068e50), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_2039098, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_2040030, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x55772f068e50), i)
   Exit: (228) [system] get_char((0x55772f068e50), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _2047380)
   Call: (229) [system] peek_char((0x55772f068e50), _2048314)
   Exit: (229) [system] peek_char((0x55772f068e50), c)
^  Call: (229) [user] is_delimiter(c)
   Call: (230) [system] char_type(c, space)
   Fail: (230) [system] char_type(c, space)
   Call: (230) [system] arg(_2053034, v('(', ')', end_of_file), c)
   Fail: (230) [system] arg(_2053966, v('(', ')', end_of_file), c)
^  Fail: (229) [user] is_delimiter(c)
   Call: (229) [system] ')'==c
   Fail: (229) [system] ')'==c
   Call: (229) [system] get_char((0x55772f068e50), c)
   Exit: (229) [system] get_char((0x55772f068e50), c)
   Call: (229) [system] c=(\)
   Fail: (229) [system] c=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _2061316)
   Call: (230) [system] peek_char((0x55772f068e50), _2062250)
   Exit: (230) [system] peek_char((0x55772f068e50), a)
^  Call: (230) [user] is_delimiter(a)
   Call: (231) [system] char_type(a, space)
   Fail: (231) [system] char_type(a, space)
   Call: (231) [system] arg(_2066970, v('(', ')', end_of_file), a)
   Fail: (231) [system] arg(_2067902, v('(', ')', end_of_file), a)
^  Fail: (230) [user] is_delimiter(a)
   Call: (230) [system] ')'==a
   Fail: (230) [system] ')'==a
   Call: (230) [system] get_char((0x55772f068e50), a)
   Exit: (230) [system] get_char((0x55772f068e50), a)
   Call: (230) [system] a=(\)
   Fail: (230) [system] a=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _2075252)
   Call: (231) [system] peek_char((0x55772f068e50), _2076186)
   Exit: (231) [system] peek_char((0x55772f068e50), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Fail: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_2080906, v('(', ')', end_of_file), t)
   Fail: (232) [system] arg(_2081838, v('(', ')', end_of_file), t)
^  Fail: (231) [user] is_delimiter(t)
   Call: (231) [system] ')'==t
   Fail: (231) [system] ')'==t
   Call: (231) [system] get_char((0x55772f068e50), t)
   Exit: (231) [system] get_char((0x55772f068e50), t)
   Call: (231) [system] t=(\)
   Fail: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _2089188)
   Call: (232) [system] peek_char((0x55772f068e50), _2090122)
   Exit: (232) [system] peek_char((0x55772f068e50), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_2094842, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_2095774, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x55772f068e50), i)
   Exit: (232) [system] get_char((0x55772f068e50), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _12250)
   Call: (233) [system] peek_char((0x55772f068e50), _13184)
   Exit: (233) [system] peek_char((0x55772f068e50), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Fail: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_17904, v('(', ')', end_of_file), o)
   Fail: (234) [system] arg(_18836, v('(', ')', end_of_file), o)
^  Fail: (233) [user] is_delimiter(o)
   Call: (233) [system] ')'==o
   Fail: (233) [system] ')'==o
   Call: (233) [system] get_char((0x55772f068e50), o)
   Exit: (233) [system] get_char((0x55772f068e50), o)
   Call: (233) [system] o=(\)
   Fail: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _26186)
   Call: (234) [system] peek_char((0x55772f068e50), _27120)
   Exit: (234) [system] peek_char((0x55772f068e50), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_31840, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_32772, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x55772f068e50), n)
   Exit: (234) [system] get_char((0x55772f068e50), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _40122)
   Call: (235) [system] peek_char((0x55772f068e50), _41056)
   Exit: (235) [system] peek_char((0x55772f068e50), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _40122=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (234) [system] _26186=[n]
   Exit: (234) [system] [n]=[n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (233) [system] _12250=[o, n]
   Exit: (233) [system] [o, n]=[o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (232) [system] _5932=[i, o, n]
   Exit: (232) [system] [i, o, n]=[i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (231) [system] _5928=[t, i, o, n]
   Exit: (231) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (230) [system] _5924=[a, t, i, o, n]
   Exit: (230) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (229) [system] _5920=[c, a, t, i, o, n]
   Exit: (229) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (228) [system] _5916=[i, c, a, t, i, o, n]
   Exit: (228) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (227) [system] _5912=[l, i, c, a, t, i, o, n]
   Exit: (227) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (226) [system] _5908=[p, l, i, c, a, t, i, o, n]
   Exit: (226) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (225) [system] _5904=[m, p, l, i, c, a, t, i, o, n]
   Exit: (225) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (224) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _5900)
^  Call: (225) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _78280)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_79232, _79234), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _78280), _79214, fail)), '$restore_trace'(_79232, _79234))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_79232, _79234))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _78280), _79214, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_78280)
   Fail: (226) [system] atomic(_78280)
   Call: (226) [system] atom_chars(_78280, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (226) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (225) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (225) [system] integer('Implication')
   Fail: (225) [system] integer('Implication')
   Call: (225) [system] _5900='Implication'
   Exit: (225) [system] 'Implication'='Implication'
^  Exit: (224) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (223) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (222) [user] read_list(')', (0x55772f068e50), _93230)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _95088)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x55772f068e50), _104682)
   Exit: (224) [system] get_char((0x55772f068e50), ' ')
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _107386)
   Exit: (225) [system] peek_char((0x55772f068e50), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _124320)
   Exit: (223) [system] peek_char((0x55772f068e50), '(')
   Call: (223) [system] '('=')'
   Fail: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
   Fail: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x55772f068e50), _129890)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _131748)
   Exit: (225) [system] peek_char((0x55772f068e50), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] get_char((0x55772f068e50), _147758)
   Exit: (224) [system] get_char((0x55772f068e50), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x55772f068e50), _129890)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _153328)
   Exit: (226) [system] peek_char((0x55772f068e50), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
   Call: (226) [system] 'A'=(/)
   Fail: (226) [system] 'A'=(/)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _169338)
   Exit: (225) [system] peek_char((0x55772f068e50), 'A')
   Call: (225) [system] 'A'=')'
   Fail: (225) [system] 'A'=')'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x55772f068e50), _174908)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _176766)
   Exit: (227) [system] peek_char((0x55772f068e50), 'A')
   Call: (227) [system] 'A'=(;)
   Fail: (227) [system] 'A'=(;)
   Call: (227) [system] 'A'=(/)
   Fail: (227) [system] 'A'=(/)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Fail: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Fail: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Fail: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
   Fail: (228) [system] char_type('A', cntrl)
^  Fail: (227) [user] is_like_space('A')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] get_char((0x55772f068e50), _192776)
   Exit: (226) [system] get_char((0x55772f068e50), 'A')
   Call: (226) [system] 'A'='('
   Fail: (226) [system] 'A'='('
   Call: (226) [system] 'A'='['
   Fail: (226) [system] 'A'='['
   Call: (226) [system] 'A'='{'
   Fail: (226) [system] 'A'='{'
   Call: (226) [system] 'A'='"'
   Fail: (226) [system] 'A'='"'
   Call: (226) [system] 'A'=!
   Fail: (226) [system] 'A'=!
   Call: (226) [system] 'A'='\''
   Fail: (226) [system] 'A'='\''
   Call: (226) [system] 'A'='`'
   Fail: (226) [system] 'A'='`'
   Call: (226) [system] 'A'=end_of_file
   Fail: (226) [system] 'A'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x55772f068e50), 'A', _174908)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _210418)
   Call: (228) [system] peek_char((0x55772f068e50), _211352)
   Exit: (228) [system] peek_char((0x55772f068e50), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_216072, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_217004, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x55772f068e50), n)
   Exit: (228) [system] get_char((0x55772f068e50), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _224354)
   Call: (229) [system] peek_char((0x55772f068e50), _225288)
   Exit: (229) [system] peek_char((0x55772f068e50), d)
^  Call: (229) [user] is_delimiter(d)
   Call: (230) [system] char_type(d, space)
   Fail: (230) [system] char_type(d, space)
   Call: (230) [system] arg(_230008, v('(', ')', end_of_file), d)
   Fail: (230) [system] arg(_230940, v('(', ')', end_of_file), d)
^  Fail: (229) [user] is_delimiter(d)
   Call: (229) [system] ')'==d
   Fail: (229) [system] ')'==d
   Call: (229) [system] get_char((0x55772f068e50), d)
   Exit: (229) [system] get_char((0x55772f068e50), d)
   Call: (229) [system] d=(\)
   Fail: (229) [system] d=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _238290)
   Call: (230) [system] peek_char((0x55772f068e50), _239224)
   Exit: (230) [system] peek_char((0x55772f068e50), 'L')
^  Call: (230) [user] is_delimiter('L')
   Call: (231) [system] char_type('L', space)
   Fail: (231) [system] char_type('L', space)
   Call: (231) [system] arg(_243944, v('(', ')', end_of_file), 'L')
   Fail: (231) [system] arg(_244876, v('(', ')', end_of_file), 'L')
^  Fail: (230) [user] is_delimiter('L')
   Call: (230) [system] ')'=='L'
   Fail: (230) [system] ')'=='L'
   Call: (230) [system] get_char((0x55772f068e50), 'L')
   Exit: (230) [system] get_char((0x55772f068e50), 'L')
   Call: (230) [system] 'L'=(\)
   Fail: (230) [system] 'L'=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _252226)
   Call: (231) [system] peek_char((0x55772f068e50), _253160)
   Exit: (231) [system] peek_char((0x55772f068e50), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_257880, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_258812, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x55772f068e50), i)
   Exit: (231) [system] get_char((0x55772f068e50), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _266162)
   Call: (232) [system] peek_char((0x55772f068e50), _267096)
   Exit: (232) [system] peek_char((0x55772f068e50), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_271816, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_272748, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x55772f068e50), n)
   Exit: (232) [system] get_char((0x55772f068e50), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _280098)
   Call: (233) [system] peek_char((0x55772f068e50), _281032)
   Exit: (233) [system] peek_char((0x55772f068e50), k)
^  Call: (233) [user] is_delimiter(k)
   Call: (234) [system] char_type(k, space)
   Fail: (234) [system] char_type(k, space)
   Call: (234) [system] arg(_285752, v('(', ')', end_of_file), k)
   Fail: (234) [system] arg(_286684, v('(', ')', end_of_file), k)
^  Fail: (233) [user] is_delimiter(k)
   Call: (233) [system] ')'==k
   Fail: (233) [system] ')'==k
   Call: (233) [system] get_char((0x55772f068e50), k)
   Exit: (233) [system] get_char((0x55772f068e50), k)
   Call: (233) [system] k=(\)
   Fail: (233) [system] k=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _294034)
   Call: (234) [system] peek_char((0x55772f068e50), _294968)
   Exit: (234) [system] peek_char((0x55772f068e50), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _294034=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (233) [system] _280098=[k]
   Exit: (233) [system] [k]=[k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (232) [system] _266162=[n, k]
   Exit: (232) [system] [n, k]=[n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (231) [system] _252226=[i, n, k]
   Exit: (231) [system] [i, n, k]=[i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (230) [system] _238290=['L', i, n, k]
   Exit: (230) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (229) [system] _224354=[d, 'L', i, n, k]
   Exit: (229) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (228) [system] _210418=[n, d, 'L', i, n, k]
   Exit: (228) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (227) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _174908)
^  Call: (228) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _321016)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_321968, _321970), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _321016), _321950, fail)), '$restore_trace'(_321968, _321970))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_321968, _321970))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _321016), _321950, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_321016)
   Fail: (229) [system] atomic(_321016)
   Call: (229) [system] atom_chars(_321016, ['A', n, d, 'L', i, n, k])
   Exit: (229) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (228) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (228) [system] integer('AndLink')
   Fail: (228) [system] integer('AndLink')
   Call: (228) [system] _174908='AndLink'
   Exit: (228) [system] 'AndLink'='AndLink'
^  Exit: (227) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (226) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (225) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (225) [user] read_list(')', (0x55772f068e50), _335966)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _337824)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x55772f068e50), _347418)
   Exit: (227) [system] get_char((0x55772f068e50), ' ')
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _350122)
   Exit: (228) [system] peek_char((0x55772f068e50), 'A')
   Call: (228) [system] 'A'=(;)
   Fail: (228) [system] 'A'=(;)
   Call: (228) [system] 'A'=(/)
   Fail: (228) [system] 'A'=(/)
^  Call: (228) [user] is_like_space('A')
   Call: (229) [system] char_type('A', 'white')
   Fail: (229) [system] char_type('A', 'white')
   Call: (229) [system] char_type('A', end_of_line)
   Fail: (229) [system] char_type('A', end_of_line)
   Call: (229) [system] char_type('A', space)
   Fail: (229) [system] char_type('A', space)
   Call: (229) [system] char_type('A', cntrl)
   Fail: (229) [system] char_type('A', cntrl)
^  Fail: (228) [user] is_like_space('A')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _367056)
   Exit: (226) [system] peek_char((0x55772f068e50), 'A')
   Call: (226) [system] 'A'=')'
   Fail: (226) [system] 'A'=')'
   Call: (226) [system] 'A'=end_of_file
   Fail: (226) [system] 'A'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x55772f068e50), _372626)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _374484)
   Exit: (228) [system] peek_char((0x55772f068e50), 'A')
   Call: (228) [system] 'A'=(;)
   Fail: (228) [system] 'A'=(;)
   Call: (228) [system] 'A'=(/)
   Fail: (228) [system] 'A'=(/)
^  Call: (228) [user] is_like_space('A')
   Call: (229) [system] char_type('A', 'white')
   Fail: (229) [system] char_type('A', 'white')
   Call: (229) [system] char_type('A', end_of_line)
   Fail: (229) [system] char_type('A', end_of_line)
   Call: (229) [system] char_type('A', space)
   Fail: (229) [system] char_type('A', space)
   Call: (229) [system] char_type('A', cntrl)
   Fail: (229) [system] char_type('A', cntrl)
^  Fail: (228) [user] is_like_space('A')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] get_char((0x55772f068e50), _390494)
   Exit: (227) [system] get_char((0x55772f068e50), 'A')
   Call: (227) [system] 'A'='('
   Fail: (227) [system] 'A'='('
   Call: (227) [system] 'A'='['
   Fail: (227) [system] 'A'='['
   Call: (227) [system] 'A'='{'
   Fail: (227) [system] 'A'='{'
   Call: (227) [system] 'A'='"'
   Fail: (227) [system] 'A'='"'
   Call: (227) [system] 'A'=!
   Fail: (227) [system] 'A'=!
   Call: (227) [system] 'A'='\''
   Fail: (227) [system] 'A'='\''
   Call: (227) [system] 'A'='`'
   Fail: (227) [system] 'A'='`'
   Call: (227) [system] 'A'=end_of_file
   Fail: (227) [system] 'A'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x55772f068e50), 'A', _372626)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _408136)
   Call: (229) [system] peek_char((0x55772f068e50), _409070)
   Exit: (229) [system] peek_char((0x55772f068e50), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _408136=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (228) [user] classify_and_convert_charseq(['A'], _372626)
^  Call: (229) [user] classify_and_convert_charseq_(['A'], _418354)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_419306, _419308), once(user:catch(read_from_chars(['A'], _418354), _419288, fail)), '$restore_trace'(_419306, _419308))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_419306, _419308))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _418354), _419288, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_418354)
   Fail: (230) [system] atomic(_418354)
   Call: (230) [system] atom_chars(_418354, ['A'])
   Exit: (230) [system] atom_chars('A', ['A'])
^  Exit: (229) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (229) [system] integer('A')
   Fail: (229) [system] integer('A')
   Call: (229) [system] _372626='A'
   Exit: (229) [system] 'A'='A'
^  Exit: (228) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (227) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (226) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (226) [user] read_list(')', (0x55772f068e50), _433304)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _435162)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x55772f068e50), _444756)
   Exit: (228) [system] get_char((0x55772f068e50), ' ')
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _447460)
   Exit: (229) [system] peek_char((0x55772f068e50), 'B')
   Call: (229) [system] 'B'=(;)
   Fail: (229) [system] 'B'=(;)
   Call: (229) [system] 'B'=(/)
   Fail: (229) [system] 'B'=(/)
^  Call: (229) [user] is_like_space('B')
   Call: (230) [system] char_type('B', 'white')
   Fail: (230) [system] char_type('B', 'white')
   Call: (230) [system] char_type('B', end_of_line)
   Fail: (230) [system] char_type('B', end_of_line)
   Call: (230) [system] char_type('B', space)
   Fail: (230) [system] char_type('B', space)
   Call: (230) [system] char_type('B', cntrl)
   Fail: (230) [system] char_type('B', cntrl)
^  Fail: (229) [user] is_like_space('B')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _464394)
   Exit: (227) [system] peek_char((0x55772f068e50), 'B')
   Call: (227) [system] 'B'=')'
   Fail: (227) [system] 'B'=')'
   Call: (227) [system] 'B'=end_of_file
   Fail: (227) [system] 'B'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x55772f068e50), _469964)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _471822)
   Exit: (229) [system] peek_char((0x55772f068e50), 'B')
   Call: (229) [system] 'B'=(;)
   Fail: (229) [system] 'B'=(;)
   Call: (229) [system] 'B'=(/)
   Fail: (229) [system] 'B'=(/)
^  Call: (229) [user] is_like_space('B')
   Call: (230) [system] char_type('B', 'white')
   Fail: (230) [system] char_type('B', 'white')
   Call: (230) [system] char_type('B', end_of_line)
   Fail: (230) [system] char_type('B', end_of_line)
   Call: (230) [system] char_type('B', space)
   Fail: (230) [system] char_type('B', space)
   Call: (230) [system] char_type('B', cntrl)
   Fail: (230) [system] char_type('B', cntrl)
^  Fail: (229) [user] is_like_space('B')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] get_char((0x55772f068e50), _487832)
   Exit: (228) [system] get_char((0x55772f068e50), 'B')
   Call: (228) [system] 'B'='('
   Fail: (228) [system] 'B'='('
   Call: (228) [system] 'B'='['
   Fail: (228) [system] 'B'='['
   Call: (228) [system] 'B'='{'
   Fail: (228) [system] 'B'='{'
   Call: (228) [system] 'B'='"'
   Fail: (228) [system] 'B'='"'
   Call: (228) [system] 'B'=!
   Fail: (228) [system] 'B'=!
   Call: (228) [system] 'B'='\''
   Fail: (228) [system] 'B'='\''
   Call: (228) [system] 'B'='`'
   Fail: (228) [system] 'B'='`'
   Call: (228) [system] 'B'=end_of_file
   Fail: (228) [system] 'B'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x55772f068e50), 'B', _469964)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _505474)
   Call: (230) [system] peek_char((0x55772f068e50), _506408)
   Exit: (230) [system] peek_char((0x55772f068e50), ')')
^  Call: (230) [user] is_delimiter(')')
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] arg(_511128, v('(', ')', end_of_file), ')')
   Exit: (231) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (230) [user] is_delimiter(')')
   Call: (230) [system] _505474=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (229) [user] classify_and_convert_charseq(['B'], _469964)
^  Call: (230) [user] classify_and_convert_charseq_(['B'], _517564)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_518516, _518518), once(user:catch(read_from_chars(['B'], _517564), _518498, fail)), '$restore_trace'(_518516, _518518))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_518516, _518518))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _517564), _518498, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_517564)
   Fail: (231) [system] atomic(_517564)
   Call: (231) [system] atom_chars(_517564, ['B'])
   Exit: (231) [system] atom_chars('B', ['B'])
^  Exit: (230) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (230) [system] integer('B')
   Fail: (230) [system] integer('B')
   Call: (230) [system] _469964='B'
   Exit: (230) [system] 'B'='B'
^  Exit: (229) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (228) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (227) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (227) [user] read_list(')', (0x55772f068e50), _532514)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _534372)
   Exit: (229) [system] peek_char((0x55772f068e50), ')')
   Call: (229) [system] ')'=(;)
   Fail: (229) [system] ')'=(;)
   Call: (229) [system] ')'=(/)
   Fail: (229) [system] ')'=(/)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Fail: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Fail: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
   Fail: (230) [system] char_type(')', cntrl)
^  Fail: (229) [user] is_like_space(')')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _550382)
   Exit: (228) [system] peek_char((0x55772f068e50), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x55772f068e50), _554172)
   Exit: (228) [system] get_char((0x55772f068e50), ')')
   Call: (228) [system] _532514=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x55772f068e50), [])
   Call: (227) [system] _433304=['B']
   Exit: (227) [system] ['B']=['B']
^  Exit: (226) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (226) [system] _335966=['A', 'B']
   Exit: (226) [system] ['A', 'B']=['A', 'B']
^  Exit: (225) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (225) [system] _129890=['AndLink', 'A', 'B']
   Exit: (225) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (224) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (223) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (223) [user] read_list(')', (0x55772f068e50), _568054)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _569912)
   Exit: (225) [system] peek_char((0x55772f068e50), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x55772f068e50), _579506)
   Exit: (225) [system] get_char((0x55772f068e50), ' ')
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _582210)
   Exit: (226) [system] peek_char((0x55772f068e50), 'C')
   Call: (226) [system] 'C'=(;)
   Fail: (226) [system] 'C'=(;)
   Call: (226) [system] 'C'=(/)
   Fail: (226) [system] 'C'=(/)
^  Call: (226) [user] is_like_space('C')
   Call: (227) [system] char_type('C', 'white')
   Fail: (227) [system] char_type('C', 'white')
   Call: (227) [system] char_type('C', end_of_line)
   Fail: (227) [system] char_type('C', end_of_line)
   Call: (227) [system] char_type('C', space)
   Fail: (227) [system] char_type('C', space)
   Call: (227) [system] char_type('C', cntrl)
   Fail: (227) [system] char_type('C', cntrl)
^  Fail: (226) [user] is_like_space('C')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _599144)
   Exit: (224) [system] peek_char((0x55772f068e50), 'C')
   Call: (224) [system] 'C'=')'
   Fail: (224) [system] 'C'=')'
   Call: (224) [system] 'C'=end_of_file
   Fail: (224) [system] 'C'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x55772f068e50), _604714)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _606572)
   Exit: (226) [system] peek_char((0x55772f068e50), 'C')
   Call: (226) [system] 'C'=(;)
   Fail: (226) [system] 'C'=(;)
   Call: (226) [system] 'C'=(/)
   Fail: (226) [system] 'C'=(/)
^  Call: (226) [user] is_like_space('C')
   Call: (227) [system] char_type('C', 'white')
   Fail: (227) [system] char_type('C', 'white')
   Call: (227) [system] char_type('C', end_of_line)
   Fail: (227) [system] char_type('C', end_of_line)
   Call: (227) [system] char_type('C', space)
   Fail: (227) [system] char_type('C', space)
   Call: (227) [system] char_type('C', cntrl)
   Fail: (227) [system] char_type('C', cntrl)
^  Fail: (226) [user] is_like_space('C')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] get_char((0x55772f068e50), _622582)
   Exit: (225) [system] get_char((0x55772f068e50), 'C')
   Call: (225) [system] 'C'='('
   Fail: (225) [system] 'C'='('
   Call: (225) [system] 'C'='['
   Fail: (225) [system] 'C'='['
   Call: (225) [system] 'C'='{'
   Fail: (225) [system] 'C'='{'
   Call: (225) [system] 'C'='"'
   Fail: (225) [system] 'C'='"'
   Call: (225) [system] 'C'=!
   Fail: (225) [system] 'C'=!
   Call: (225) [system] 'C'='\''
   Fail: (225) [system] 'C'='\''
   Call: (225) [system] 'C'='`'
   Fail: (225) [system] 'C'='`'
   Call: (225) [system] 'C'=end_of_file
   Fail: (225) [system] 'C'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x55772f068e50), 'C', _604714)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _640224)
   Call: (227) [system] peek_char((0x55772f068e50), _641158)
   Exit: (227) [system] peek_char((0x55772f068e50), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_645878, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _640224=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (226) [user] classify_and_convert_charseq(['C'], _604714)
^  Call: (227) [user] classify_and_convert_charseq_(['C'], _652314)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_653266, _653268), once(user:catch(read_from_chars(['C'], _652314), _653248, fail)), '$restore_trace'(_653266, _653268))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_653266, _653268))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _652314), _653248, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_652314)
   Fail: (228) [system] atomic(_652314)
   Call: (228) [system] atom_chars(_652314, ['C'])
   Exit: (228) [system] atom_chars('C', ['C'])
^  Exit: (227) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (227) [system] integer('C')
   Fail: (227) [system] integer('C')
   Call: (227) [system] _604714='C'
   Exit: (227) [system] 'C'='C'
^  Exit: (226) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (225) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (224) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (224) [user] read_list(')', (0x55772f068e50), _667264)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _669122)
   Exit: (226) [system] peek_char((0x55772f068e50), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
   Call: (226) [system] ')'=(/)
   Fail: (226) [system] ')'=(/)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _685132)
   Exit: (225) [system] peek_char((0x55772f068e50), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x55772f068e50), _688922)
   Exit: (225) [system] get_char((0x55772f068e50), ')')
   Call: (225) [system] _667264=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x55772f068e50), [])
   Call: (224) [system] _568054=['C']
   Exit: (224) [system] ['C']=['C']
^  Exit: (223) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (223) [system] _93230=[['AndLink', 'A', 'B'], 'C']
   Exit: (223) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (222) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (222) [system] _5894=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (222) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (221) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (220) [user] read_list(')', (0x55772f068e50), _702804)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _704662)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x55772f068e50), _714256)
   Exit: (222) [system] get_char((0x55772f068e50), ' ')
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _716960)
   Exit: (223) [system] peek_char((0x55772f068e50), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _733894)
   Exit: (221) [system] peek_char((0x55772f068e50), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _739464)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _741322)
   Exit: (223) [system] peek_char((0x55772f068e50), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _757332)
   Exit: (222) [system] get_char((0x55772f068e50), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x55772f068e50), _739464)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _762902)
   Exit: (224) [system] peek_char((0x55772f068e50), 'O')
   Call: (224) [system] 'O'=(;)
   Fail: (224) [system] 'O'=(;)
   Call: (224) [system] 'O'=(/)
   Fail: (224) [system] 'O'=(/)
^  Call: (224) [user] is_like_space('O')
   Call: (225) [system] char_type('O', 'white')
   Fail: (225) [system] char_type('O', 'white')
   Call: (225) [system] char_type('O', end_of_line)
   Fail: (225) [system] char_type('O', end_of_line)
   Call: (225) [system] char_type('O', space)
   Fail: (225) [system] char_type('O', space)
   Call: (225) [system] char_type('O', cntrl)
   Fail: (225) [system] char_type('O', cntrl)
^  Fail: (224) [user] is_like_space('O')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _778912)
   Exit: (223) [system] peek_char((0x55772f068e50), 'O')
   Call: (223) [system] 'O'=')'
   Fail: (223) [system] 'O'=')'
   Call: (223) [system] 'O'=end_of_file
   Fail: (223) [system] 'O'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x55772f068e50), _784482)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _786340)
   Exit: (225) [system] peek_char((0x55772f068e50), 'O')
   Call: (225) [system] 'O'=(;)
   Fail: (225) [system] 'O'=(;)
   Call: (225) [system] 'O'=(/)
   Fail: (225) [system] 'O'=(/)
^  Call: (225) [user] is_like_space('O')
   Call: (226) [system] char_type('O', 'white')
   Fail: (226) [system] char_type('O', 'white')
   Call: (226) [system] char_type('O', end_of_line)
   Fail: (226) [system] char_type('O', end_of_line)
   Call: (226) [system] char_type('O', space)
   Fail: (226) [system] char_type('O', space)
   Call: (226) [system] char_type('O', cntrl)
   Fail: (226) [system] char_type('O', cntrl)
^  Fail: (225) [user] is_like_space('O')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] get_char((0x55772f068e50), _802350)
   Exit: (224) [system] get_char((0x55772f068e50), 'O')
   Call: (224) [system] 'O'='('
   Fail: (224) [system] 'O'='('
   Call: (224) [system] 'O'='['
   Fail: (224) [system] 'O'='['
   Call: (224) [system] 'O'='{'
   Fail: (224) [system] 'O'='{'
   Call: (224) [system] 'O'='"'
   Fail: (224) [system] 'O'='"'
   Call: (224) [system] 'O'=!
   Fail: (224) [system] 'O'=!
   Call: (224) [system] 'O'='\''
   Fail: (224) [system] 'O'='\''
   Call: (224) [system] 'O'='`'
   Fail: (224) [system] 'O'='`'
   Call: (224) [system] 'O'=end_of_file
   Fail: (224) [system] 'O'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x55772f068e50), 'O', _784482)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _819992)
   Call: (226) [system] peek_char((0x55772f068e50), _820926)
   Exit: (226) [system] peek_char((0x55772f068e50), r)
^  Call: (226) [user] is_delimiter(r)
   Call: (227) [system] char_type(r, space)
   Fail: (227) [system] char_type(r, space)
   Call: (227) [system] arg(_825646, v('(', ')', end_of_file), r)
   Fail: (227) [system] arg(_826578, v('(', ')', end_of_file), r)
^  Fail: (226) [user] is_delimiter(r)
   Call: (226) [system] ')'==r
   Fail: (226) [system] ')'==r
   Call: (226) [system] get_char((0x55772f068e50), r)
   Exit: (226) [system] get_char((0x55772f068e50), r)
   Call: (226) [system] r=(\)
   Fail: (226) [system] r=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _833928)
   Call: (227) [system] peek_char((0x55772f068e50), _834862)
   Exit: (227) [system] peek_char((0x55772f068e50), 'L')
^  Call: (227) [user] is_delimiter('L')
   Call: (228) [system] char_type('L', space)
   Fail: (228) [system] char_type('L', space)
   Call: (228) [system] arg(_839582, v('(', ')', end_of_file), 'L')
   Fail: (228) [system] arg(_840514, v('(', ')', end_of_file), 'L')
^  Fail: (227) [user] is_delimiter('L')
   Call: (227) [system] ')'=='L'
   Fail: (227) [system] ')'=='L'
   Call: (227) [system] get_char((0x55772f068e50), 'L')
   Exit: (227) [system] get_char((0x55772f068e50), 'L')
   Call: (227) [system] 'L'=(\)
   Fail: (227) [system] 'L'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _847864)
   Call: (228) [system] peek_char((0x55772f068e50), _848798)
   Exit: (228) [system] peek_char((0x55772f068e50), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_853518, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_854450, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x55772f068e50), i)
   Exit: (228) [system] get_char((0x55772f068e50), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _861800)
   Call: (229) [system] peek_char((0x55772f068e50), _862734)
   Exit: (229) [system] peek_char((0x55772f068e50), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_867454, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_868386, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x55772f068e50), n)
   Exit: (229) [system] get_char((0x55772f068e50), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _875736)
   Call: (230) [system] peek_char((0x55772f068e50), _876670)
   Exit: (230) [system] peek_char((0x55772f068e50), k)
^  Call: (230) [user] is_delimiter(k)
   Call: (231) [system] char_type(k, space)
   Fail: (231) [system] char_type(k, space)
   Call: (231) [system] arg(_881390, v('(', ')', end_of_file), k)
   Fail: (231) [system] arg(_882322, v('(', ')', end_of_file), k)
^  Fail: (230) [user] is_delimiter(k)
   Call: (230) [system] ')'==k
   Fail: (230) [system] ')'==k
   Call: (230) [system] get_char((0x55772f068e50), k)
   Exit: (230) [system] get_char((0x55772f068e50), k)
   Call: (230) [system] k=(\)
   Fail: (230) [system] k=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _889672)
   Call: (231) [system] peek_char((0x55772f068e50), _890606)
   Exit: (231) [system] peek_char((0x55772f068e50), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _889672=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (230) [system] _875736=[k]
   Exit: (230) [system] [k]=[k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (229) [system] _861800=[n, k]
   Exit: (229) [system] [n, k]=[n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (228) [system] _847864=[i, n, k]
   Exit: (228) [system] [i, n, k]=[i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (227) [system] _833928=['L', i, n, k]
   Exit: (227) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (226) [system] _819992=[r, 'L', i, n, k]
   Exit: (226) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (225) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _784482)
^  Call: (226) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _913860)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_914812, _914814), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _913860), _914794, fail)), '$restore_trace'(_914812, _914814))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_914812, _914814))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _913860), _914794, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_913860)
   Fail: (227) [system] atomic(_913860)
   Call: (227) [system] atom_chars(_913860, ['O', r, 'L', i, n, k])
   Exit: (227) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (226) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (226) [system] integer('OrLink')
   Fail: (226) [system] integer('OrLink')
   Call: (226) [system] _784482='OrLink'
   Exit: (226) [system] 'OrLink'='OrLink'
^  Exit: (225) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (224) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (223) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (223) [user] read_list(')', (0x55772f068e50), _928810)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _930668)
   Exit: (225) [system] peek_char((0x55772f068e50), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x55772f068e50), _940262)
   Exit: (225) [system] get_char((0x55772f068e50), ' ')
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _942966)
   Exit: (226) [system] peek_char((0x55772f068e50), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _959900)
   Exit: (224) [system] peek_char((0x55772f068e50), '(')
   Call: (224) [system] '('=')'
   Fail: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
   Fail: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x55772f068e50), _965470)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _967328)
   Exit: (226) [system] peek_char((0x55772f068e50), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] get_char((0x55772f068e50), _983338)
   Exit: (225) [system] get_char((0x55772f068e50), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x55772f068e50), _965470)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _988908)
   Exit: (227) [system] peek_char((0x55772f068e50), 'I')
   Call: (227) [system] 'I'=(;)
   Fail: (227) [system] 'I'=(;)
   Call: (227) [system] 'I'=(/)
   Fail: (227) [system] 'I'=(/)
^  Call: (227) [user] is_like_space('I')
   Call: (228) [system] char_type('I', 'white')
   Fail: (228) [system] char_type('I', 'white')
   Call: (228) [system] char_type('I', end_of_line)
   Fail: (228) [system] char_type('I', end_of_line)
   Call: (228) [system] char_type('I', space)
   Fail: (228) [system] char_type('I', space)
   Call: (228) [system] char_type('I', cntrl)
   Fail: (228) [system] char_type('I', cntrl)
^  Fail: (227) [user] is_like_space('I')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1004918)
   Exit: (226) [system] peek_char((0x55772f068e50), 'I')
   Call: (226) [system] 'I'=')'
   Fail: (226) [system] 'I'=')'
   Call: (226) [system] 'I'=end_of_file
   Fail: (226) [system] 'I'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x55772f068e50), _1010488)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1012346)
   Exit: (228) [system] peek_char((0x55772f068e50), 'I')
   Call: (228) [system] 'I'=(;)
   Fail: (228) [system] 'I'=(;)
   Call: (228) [system] 'I'=(/)
   Fail: (228) [system] 'I'=(/)
^  Call: (228) [user] is_like_space('I')
   Call: (229) [system] char_type('I', 'white')
   Fail: (229) [system] char_type('I', 'white')
   Call: (229) [system] char_type('I', end_of_line)
   Fail: (229) [system] char_type('I', end_of_line)
   Call: (229) [system] char_type('I', space)
   Fail: (229) [system] char_type('I', space)
   Call: (229) [system] char_type('I', cntrl)
   Fail: (229) [system] char_type('I', cntrl)
^  Fail: (228) [user] is_like_space('I')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] get_char((0x55772f068e50), _1028356)
   Exit: (227) [system] get_char((0x55772f068e50), 'I')
   Call: (227) [system] 'I'='('
   Fail: (227) [system] 'I'='('
   Call: (227) [system] 'I'='['
   Fail: (227) [system] 'I'='['
   Call: (227) [system] 'I'='{'
   Fail: (227) [system] 'I'='{'
   Call: (227) [system] 'I'='"'
   Fail: (227) [system] 'I'='"'
   Call: (227) [system] 'I'=!
   Fail: (227) [system] 'I'=!
   Call: (227) [system] 'I'='\''
   Fail: (227) [system] 'I'='\''
   Call: (227) [system] 'I'='`'
   Fail: (227) [system] 'I'='`'
   Call: (227) [system] 'I'=end_of_file
   Fail: (227) [system] 'I'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x55772f068e50), 'I', _1010488)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1045998)
   Call: (229) [system] peek_char((0x55772f068e50), _1046932)
   Exit: (229) [system] peek_char((0x55772f068e50), m)
^  Call: (229) [user] is_delimiter(m)
   Call: (230) [system] char_type(m, space)
   Fail: (230) [system] char_type(m, space)
   Call: (230) [system] arg(_1051652, v('(', ')', end_of_file), m)
   Fail: (230) [system] arg(_1052584, v('(', ')', end_of_file), m)
^  Fail: (229) [user] is_delimiter(m)
   Call: (229) [system] ')'==m
   Fail: (229) [system] ')'==m
   Call: (229) [system] get_char((0x55772f068e50), m)
   Exit: (229) [system] get_char((0x55772f068e50), m)
   Call: (229) [system] m=(\)
   Fail: (229) [system] m=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1059934)
   Call: (230) [system] peek_char((0x55772f068e50), _1060868)
   Exit: (230) [system] peek_char((0x55772f068e50), p)
^  Call: (230) [user] is_delimiter(p)
   Call: (231) [system] char_type(p, space)
   Fail: (231) [system] char_type(p, space)
   Call: (231) [system] arg(_1065588, v('(', ')', end_of_file), p)
   Fail: (231) [system] arg(_1066520, v('(', ')', end_of_file), p)
^  Fail: (230) [user] is_delimiter(p)
   Call: (230) [system] ')'==p
   Fail: (230) [system] ')'==p
   Call: (230) [system] get_char((0x55772f068e50), p)
   Exit: (230) [system] get_char((0x55772f068e50), p)
   Call: (230) [system] p=(\)
   Fail: (230) [system] p=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1073870)
   Call: (231) [system] peek_char((0x55772f068e50), _1074804)
   Exit: (231) [system] peek_char((0x55772f068e50), l)
^  Call: (231) [user] is_delimiter(l)
   Call: (232) [system] char_type(l, space)
   Fail: (232) [system] char_type(l, space)
   Call: (232) [system] arg(_1079524, v('(', ')', end_of_file), l)
   Fail: (232) [system] arg(_1080456, v('(', ')', end_of_file), l)
^  Fail: (231) [user] is_delimiter(l)
   Call: (231) [system] ')'==l
   Fail: (231) [system] ')'==l
   Call: (231) [system] get_char((0x55772f068e50), l)
   Exit: (231) [system] get_char((0x55772f068e50), l)
   Call: (231) [system] l=(\)
   Fail: (231) [system] l=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1087806)
   Call: (232) [system] peek_char((0x55772f068e50), _1088740)
   Exit: (232) [system] peek_char((0x55772f068e50), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_1093460, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_1094392, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x55772f068e50), i)
   Exit: (232) [system] get_char((0x55772f068e50), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1101742)
   Call: (233) [system] peek_char((0x55772f068e50), _1102676)
   Exit: (233) [system] peek_char((0x55772f068e50), c)
^  Call: (233) [user] is_delimiter(c)
   Call: (234) [system] char_type(c, space)
   Fail: (234) [system] char_type(c, space)
   Call: (234) [system] arg(_1107396, v('(', ')', end_of_file), c)
   Fail: (234) [system] arg(_1108328, v('(', ')', end_of_file), c)
^  Fail: (233) [user] is_delimiter(c)
   Call: (233) [system] ')'==c
   Fail: (233) [system] ')'==c
   Call: (233) [system] get_char((0x55772f068e50), c)
   Exit: (233) [system] get_char((0x55772f068e50), c)
   Call: (233) [system] c=(\)
   Fail: (233) [system] c=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1115678)
   Call: (234) [system] peek_char((0x55772f068e50), _1116612)
   Exit: (234) [system] peek_char((0x55772f068e50), a)
^  Call: (234) [user] is_delimiter(a)
   Call: (235) [system] char_type(a, space)
   Fail: (235) [system] char_type(a, space)
   Call: (235) [system] arg(_1121332, v('(', ')', end_of_file), a)
   Fail: (235) [system] arg(_1122264, v('(', ')', end_of_file), a)
^  Fail: (234) [user] is_delimiter(a)
   Call: (234) [system] ')'==a
   Fail: (234) [system] ')'==a
   Call: (234) [system] get_char((0x55772f068e50), a)
   Exit: (234) [system] get_char((0x55772f068e50), a)
   Call: (234) [system] a=(\)
   Fail: (234) [system] a=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1129614)
   Call: (235) [system] peek_char((0x55772f068e50), _1130548)
   Exit: (235) [system] peek_char((0x55772f068e50), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Fail: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_1135268, v('(', ')', end_of_file), t)
   Fail: (236) [system] arg(_1136200, v('(', ')', end_of_file), t)
^  Fail: (235) [user] is_delimiter(t)
   Call: (235) [system] ')'==t
   Fail: (235) [system] ')'==t
   Call: (235) [system] get_char((0x55772f068e50), t)
   Exit: (235) [system] get_char((0x55772f068e50), t)
   Call: (235) [system] t=(\)
   Fail: (235) [system] t=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1143550)
   Call: (236) [system] peek_char((0x55772f068e50), _1144484)
   Exit: (236) [system] peek_char((0x55772f068e50), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Fail: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_1149204, v('(', ')', end_of_file), i)
   Fail: (237) [system] arg(_1150136, v('(', ')', end_of_file), i)
^  Fail: (236) [user] is_delimiter(i)
   Call: (236) [system] ')'==i
   Fail: (236) [system] ')'==i
   Call: (236) [system] get_char((0x55772f068e50), i)
   Exit: (236) [system] get_char((0x55772f068e50), i)
   Call: (236) [system] i=(\)
   Fail: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1157486)
   Call: (237) [system] peek_char((0x55772f068e50), _1158420)
   Exit: (237) [system] peek_char((0x55772f068e50), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Fail: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_1163140, v('(', ')', end_of_file), o)
   Fail: (238) [system] arg(_1164072, v('(', ')', end_of_file), o)
^  Fail: (237) [user] is_delimiter(o)
   Call: (237) [system] ')'==o
   Fail: (237) [system] ')'==o
   Call: (237) [system] get_char((0x55772f068e50), o)
   Exit: (237) [system] get_char((0x55772f068e50), o)
   Call: (237) [system] o=(\)
   Fail: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _1171422)
   Call: (238) [system] peek_char((0x55772f068e50), _1172356)
   Exit: (238) [system] peek_char((0x55772f068e50), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Fail: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_1177076, v('(', ')', end_of_file), n)
   Fail: (239) [system] arg(_1178008, v('(', ')', end_of_file), n)
^  Fail: (238) [user] is_delimiter(n)
   Call: (238) [system] ')'==n
   Fail: (238) [system] ')'==n
   Call: (238) [system] get_char((0x55772f068e50), n)
   Exit: (238) [system] get_char((0x55772f068e50), n)
   Call: (238) [system] n=(\)
   Fail: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _1185358)
   Call: (239) [system] peek_char((0x55772f068e50), _1186292)
   Exit: (239) [system] peek_char((0x55772f068e50), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _1185358=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (238) [system] _1171422=[n]
   Exit: (238) [system] [n]=[n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (237) [system] _1157486=[o, n]
   Exit: (237) [system] [o, n]=[o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (236) [system] _1143550=[i, o, n]
   Exit: (236) [system] [i, o, n]=[i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (235) [system] _1129614=[t, i, o, n]
   Exit: (235) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (234) [system] _1115678=[a, t, i, o, n]
   Exit: (234) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (233) [system] _1101742=[c, a, t, i, o, n]
   Exit: (233) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (232) [system] _1087806=[i, c, a, t, i, o, n]
   Exit: (232) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (231) [system] _1073870=[l, i, c, a, t, i, o, n]
   Exit: (231) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (230) [system] _1059934=[p, l, i, c, a, t, i, o, n]
   Exit: (230) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (229) [system] _1045998=[m, p, l, i, c, a, t, i, o, n]
   Exit: (229) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (228) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1010488)
^  Call: (229) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1223516)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1224468, _1224470), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1223516), _1224450, fail)), '$restore_trace'(_1224468, _1224470))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1224468, _1224470))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1223516), _1224450, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1223516)
   Fail: (230) [system] atomic(_1223516)
   Call: (230) [system] atom_chars(_1223516, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (230) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (229) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (229) [system] integer('Implication')
   Fail: (229) [system] integer('Implication')
   Call: (229) [system] _1010488='Implication'
   Exit: (229) [system] 'Implication'='Implication'
^  Exit: (228) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (227) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (226) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (226) [user] read_list(')', (0x55772f068e50), _1238466)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1240324)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x55772f068e50), _1249918)
   Exit: (228) [system] get_char((0x55772f068e50), ' ')
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1252622)
   Exit: (229) [system] peek_char((0x55772f068e50), '(')
   Call: (229) [system] '('=(;)
   Fail: (229) [system] '('=(;)
   Call: (229) [system] '('=(/)
   Fail: (229) [system] '('=(/)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Fail: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Fail: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Fail: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
   Fail: (230) [system] char_type('(', cntrl)
^  Fail: (229) [user] is_like_space('(')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1269556)
   Exit: (227) [system] peek_char((0x55772f068e50), '(')
   Call: (227) [system] '('=')'
   Fail: (227) [system] '('=')'
   Call: (227) [system] '('=end_of_file
   Fail: (227) [system] '('=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x55772f068e50), _1275126)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1276984)
   Exit: (229) [system] peek_char((0x55772f068e50), '(')
   Call: (229) [system] '('=(;)
   Fail: (229) [system] '('=(;)
   Call: (229) [system] '('=(/)
   Fail: (229) [system] '('=(/)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Fail: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Fail: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Fail: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
   Fail: (230) [system] char_type('(', cntrl)
^  Fail: (229) [user] is_like_space('(')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] get_char((0x55772f068e50), _1292994)
   Exit: (228) [system] get_char((0x55772f068e50), '(')
   Call: (228) [system] '('='('
   Exit: (228) [system] '('='('
^  Call: (228) [user] read_list(')', (0x55772f068e50), _1275126)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1298564)
   Exit: (230) [system] peek_char((0x55772f068e50), 'O')
   Call: (230) [system] 'O'=(;)
   Fail: (230) [system] 'O'=(;)
   Call: (230) [system] 'O'=(/)
   Fail: (230) [system] 'O'=(/)
^  Call: (230) [user] is_like_space('O')
   Call: (231) [system] char_type('O', 'white')
   Fail: (231) [system] char_type('O', 'white')
   Call: (231) [system] char_type('O', end_of_line)
   Fail: (231) [system] char_type('O', end_of_line)
   Call: (231) [system] char_type('O', space)
   Fail: (231) [system] char_type('O', space)
   Call: (231) [system] char_type('O', cntrl)
   Fail: (231) [system] char_type('O', cntrl)
^  Fail: (230) [user] is_like_space('O')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1314574)
   Exit: (229) [system] peek_char((0x55772f068e50), 'O')
   Call: (229) [system] 'O'=')'
   Fail: (229) [system] 'O'=')'
   Call: (229) [system] 'O'=end_of_file
   Fail: (229) [system] 'O'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x55772f068e50), _1320144)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1322002)
   Exit: (231) [system] peek_char((0x55772f068e50), 'O')
   Call: (231) [system] 'O'=(;)
   Fail: (231) [system] 'O'=(;)
   Call: (231) [system] 'O'=(/)
   Fail: (231) [system] 'O'=(/)
^  Call: (231) [user] is_like_space('O')
   Call: (232) [system] char_type('O', 'white')
   Fail: (232) [system] char_type('O', 'white')
   Call: (232) [system] char_type('O', end_of_line)
   Fail: (232) [system] char_type('O', end_of_line)
   Call: (232) [system] char_type('O', space)
   Fail: (232) [system] char_type('O', space)
   Call: (232) [system] char_type('O', cntrl)
   Fail: (232) [system] char_type('O', cntrl)
^  Fail: (231) [user] is_like_space('O')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] get_char((0x55772f068e50), _1338012)
   Exit: (230) [system] get_char((0x55772f068e50), 'O')
   Call: (230) [system] 'O'='('
   Fail: (230) [system] 'O'='('
   Call: (230) [system] 'O'='['
   Fail: (230) [system] 'O'='['
   Call: (230) [system] 'O'='{'
   Fail: (230) [system] 'O'='{'
   Call: (230) [system] 'O'='"'
   Fail: (230) [system] 'O'='"'
   Call: (230) [system] 'O'=!
   Fail: (230) [system] 'O'=!
   Call: (230) [system] 'O'='\''
   Fail: (230) [system] 'O'='\''
   Call: (230) [system] 'O'='`'
   Fail: (230) [system] 'O'='`'
   Call: (230) [system] 'O'=end_of_file
   Fail: (230) [system] 'O'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x55772f068e50), 'O', _1320144)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1355654)
   Call: (232) [system] peek_char((0x55772f068e50), _1356588)
   Exit: (232) [system] peek_char((0x55772f068e50), r)
^  Call: (232) [user] is_delimiter(r)
   Call: (233) [system] char_type(r, space)
   Fail: (233) [system] char_type(r, space)
   Call: (233) [system] arg(_1361308, v('(', ')', end_of_file), r)
   Fail: (233) [system] arg(_1362240, v('(', ')', end_of_file), r)
^  Fail: (232) [user] is_delimiter(r)
   Call: (232) [system] ')'==r
   Fail: (232) [system] ')'==r
   Call: (232) [system] get_char((0x55772f068e50), r)
   Exit: (232) [system] get_char((0x55772f068e50), r)
   Call: (232) [system] r=(\)
   Fail: (232) [system] r=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1369590)
   Call: (233) [system] peek_char((0x55772f068e50), _1370524)
   Exit: (233) [system] peek_char((0x55772f068e50), 'L')
^  Call: (233) [user] is_delimiter('L')
   Call: (234) [system] char_type('L', space)
   Fail: (234) [system] char_type('L', space)
   Call: (234) [system] arg(_1375244, v('(', ')', end_of_file), 'L')
   Fail: (234) [system] arg(_1376176, v('(', ')', end_of_file), 'L')
^  Fail: (233) [user] is_delimiter('L')
   Call: (233) [system] ')'=='L'
   Fail: (233) [system] ')'=='L'
   Call: (233) [system] get_char((0x55772f068e50), 'L')
   Exit: (233) [system] get_char((0x55772f068e50), 'L')
   Call: (233) [system] 'L'=(\)
   Fail: (233) [system] 'L'=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1383526)
   Call: (234) [system] peek_char((0x55772f068e50), _1384460)
   Exit: (234) [system] peek_char((0x55772f068e50), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_1389180, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_1390112, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x55772f068e50), i)
   Exit: (234) [system] get_char((0x55772f068e50), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1397462)
   Call: (235) [system] peek_char((0x55772f068e50), _1398396)
   Exit: (235) [system] peek_char((0x55772f068e50), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_1403116, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_1404048, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x55772f068e50), n)
   Exit: (235) [system] get_char((0x55772f068e50), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1411398)
   Call: (236) [system] peek_char((0x55772f068e50), _1412332)
   Exit: (236) [system] peek_char((0x55772f068e50), k)
^  Call: (236) [user] is_delimiter(k)
   Call: (237) [system] char_type(k, space)
   Fail: (237) [system] char_type(k, space)
   Call: (237) [system] arg(_1417052, v('(', ')', end_of_file), k)
   Fail: (237) [system] arg(_1417984, v('(', ')', end_of_file), k)
^  Fail: (236) [user] is_delimiter(k)
   Call: (236) [system] ')'==k
   Fail: (236) [system] ')'==k
   Call: (236) [system] get_char((0x55772f068e50), k)
   Exit: (236) [system] get_char((0x55772f068e50), k)
   Call: (236) [system] k=(\)
   Fail: (236) [system] k=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1425334)
   Call: (237) [system] peek_char((0x55772f068e50), _1426268)
   Exit: (237) [system] peek_char((0x55772f068e50), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _1425334=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (236) [system] _1411398=[k]
   Exit: (236) [system] [k]=[k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (235) [system] _1397462=[n, k]
   Exit: (235) [system] [n, k]=[n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (234) [system] _1383526=[i, n, k]
   Exit: (234) [system] [i, n, k]=[i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (233) [system] _1369590=['L', i, n, k]
   Exit: (233) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (232) [system] _1355654=[r, 'L', i, n, k]
   Exit: (232) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (231) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1320144)
^  Call: (232) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1449522)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1450474, _1450476), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1449522), _1450456, fail)), '$restore_trace'(_1450474, _1450476))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1450474, _1450476))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1449522), _1450456, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_1449522)
   Fail: (233) [system] atomic(_1449522)
   Call: (233) [system] atom_chars(_1449522, ['O', r, 'L', i, n, k])
   Exit: (233) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (232) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (232) [system] integer('OrLink')
   Fail: (232) [system] integer('OrLink')
   Call: (232) [system] _1320144='OrLink'
   Exit: (232) [system] 'OrLink'='OrLink'
^  Exit: (231) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (230) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (229) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (229) [user] read_list(')', (0x55772f068e50), _1464472)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1466330)
   Exit: (231) [system] peek_char((0x55772f068e50), ' ')
   Call: (231) [system] ' '=(;)
   Fail: (231) [system] ' '=(;)
   Call: (231) [system] ' '=(/)
   Fail: (231) [system] ' '=(/)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x55772f068e50), _1475924)
   Exit: (231) [system] get_char((0x55772f068e50), ' ')
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _1478628)
   Exit: (232) [system] peek_char((0x55772f068e50), 'C')
   Call: (232) [system] 'C'=(;)
   Fail: (232) [system] 'C'=(;)
   Call: (232) [system] 'C'=(/)
   Fail: (232) [system] 'C'=(/)
^  Call: (232) [user] is_like_space('C')
   Call: (233) [system] char_type('C', 'white')
   Fail: (233) [system] char_type('C', 'white')
   Call: (233) [system] char_type('C', end_of_line)
   Fail: (233) [system] char_type('C', end_of_line)
   Call: (233) [system] char_type('C', space)
   Fail: (233) [system] char_type('C', space)
   Call: (233) [system] char_type('C', cntrl)
   Fail: (233) [system] char_type('C', cntrl)
^  Fail: (232) [user] is_like_space('C')
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1495562)
   Exit: (230) [system] peek_char((0x55772f068e50), 'C')
   Call: (230) [system] 'C'=')'
   Fail: (230) [system] 'C'=')'
   Call: (230) [system] 'C'=end_of_file
   Fail: (230) [system] 'C'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x55772f068e50), _1501132)
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _1502990)
   Exit: (232) [system] peek_char((0x55772f068e50), 'C')
   Call: (232) [system] 'C'=(;)
   Fail: (232) [system] 'C'=(;)
   Call: (232) [system] 'C'=(/)
   Fail: (232) [system] 'C'=(/)
^  Call: (232) [user] is_like_space('C')
   Call: (233) [system] char_type('C', 'white')
   Fail: (233) [system] char_type('C', 'white')
   Call: (233) [system] char_type('C', end_of_line)
   Fail: (233) [system] char_type('C', end_of_line)
   Call: (233) [system] char_type('C', space)
   Fail: (233) [system] char_type('C', space)
   Call: (233) [system] char_type('C', cntrl)
   Fail: (233) [system] char_type('C', cntrl)
^  Fail: (232) [user] is_like_space('C')
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] get_char((0x55772f068e50), _1519000)
   Exit: (231) [system] get_char((0x55772f068e50), 'C')
   Call: (231) [system] 'C'='('
   Fail: (231) [system] 'C'='('
   Call: (231) [system] 'C'='['
   Fail: (231) [system] 'C'='['
   Call: (231) [system] 'C'='{'
   Fail: (231) [system] 'C'='{'
   Call: (231) [system] 'C'='"'
   Fail: (231) [system] 'C'='"'
   Call: (231) [system] 'C'=!
   Fail: (231) [system] 'C'=!
   Call: (231) [system] 'C'='\''
   Fail: (231) [system] 'C'='\''
   Call: (231) [system] 'C'='`'
   Fail: (231) [system] 'C'='`'
   Call: (231) [system] 'C'=end_of_file
   Fail: (231) [system] 'C'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x55772f068e50), 'C', _1501132)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1536642)
   Call: (233) [system] peek_char((0x55772f068e50), _1537576)
   Exit: (233) [system] peek_char((0x55772f068e50), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _1536642=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (232) [user] classify_and_convert_charseq(['C'], _1501132)
^  Call: (233) [user] classify_and_convert_charseq_(['C'], _1546860)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_1547812, _1547814), once(user:catch(read_from_chars(['C'], _1546860), _1547794, fail)), '$restore_trace'(_1547812, _1547814))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_1547812, _1547814))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1546860), _1547794, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_1546860)
   Fail: (234) [system] atomic(_1546860)
   Call: (234) [system] atom_chars(_1546860, ['C'])
   Exit: (234) [system] atom_chars('C', ['C'])
^  Exit: (233) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (233) [system] integer('C')
   Fail: (233) [system] integer('C')
   Call: (233) [system] _1501132='C'
   Exit: (233) [system] 'C'='C'
^  Exit: (232) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (231) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (230) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (230) [user] read_list(')', (0x55772f068e50), _1561810)
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _1563668)
   Exit: (232) [system] peek_char((0x55772f068e50), ' ')
   Call: (232) [system] ' '=(;)
   Fail: (232) [system] ' '=(;)
   Call: (232) [system] ' '=(/)
   Fail: (232) [system] ' '=(/)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x55772f068e50), _1573262)
   Exit: (232) [system] get_char((0x55772f068e50), ' ')
^  Call: (232) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _1575966)
   Exit: (233) [system] peek_char((0x55772f068e50), 'D')
   Call: (233) [system] 'D'=(;)
   Fail: (233) [system] 'D'=(;)
   Call: (233) [system] 'D'=(/)
   Fail: (233) [system] 'D'=(/)
^  Call: (233) [user] is_like_space('D')
   Call: (234) [system] char_type('D', 'white')
   Fail: (234) [system] char_type('D', 'white')
   Call: (234) [system] char_type('D', end_of_line)
   Fail: (234) [system] char_type('D', end_of_line)
   Call: (234) [system] char_type('D', space)
   Fail: (234) [system] char_type('D', space)
   Call: (234) [system] char_type('D', cntrl)
   Fail: (234) [system] char_type('D', cntrl)
^  Fail: (233) [user] is_like_space('D')
^  Exit: (232) [user] skip_spaces((0x55772f068e50))
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1592900)
   Exit: (231) [system] peek_char((0x55772f068e50), 'D')
   Call: (231) [system] 'D'=')'
   Fail: (231) [system] 'D'=')'
   Call: (231) [system] 'D'=end_of_file
   Fail: (231) [system] 'D'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x55772f068e50), _1598470)
^  Call: (232) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _1600328)
   Exit: (233) [system] peek_char((0x55772f068e50), 'D')
   Call: (233) [system] 'D'=(;)
   Fail: (233) [system] 'D'=(;)
   Call: (233) [system] 'D'=(/)
   Fail: (233) [system] 'D'=(/)
^  Call: (233) [user] is_like_space('D')
   Call: (234) [system] char_type('D', 'white')
   Fail: (234) [system] char_type('D', 'white')
   Call: (234) [system] char_type('D', end_of_line)
   Fail: (234) [system] char_type('D', end_of_line)
   Call: (234) [system] char_type('D', space)
   Fail: (234) [system] char_type('D', space)
   Call: (234) [system] char_type('D', cntrl)
   Fail: (234) [system] char_type('D', cntrl)
^  Fail: (233) [user] is_like_space('D')
^  Exit: (232) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] get_char((0x55772f068e50), _1616338)
   Exit: (232) [system] get_char((0x55772f068e50), 'D')
   Call: (232) [system] 'D'='('
   Fail: (232) [system] 'D'='('
   Call: (232) [system] 'D'='['
   Fail: (232) [system] 'D'='['
   Call: (232) [system] 'D'='{'
   Fail: (232) [system] 'D'='{'
   Call: (232) [system] 'D'='"'
   Fail: (232) [system] 'D'='"'
   Call: (232) [system] 'D'=!
   Fail: (232) [system] 'D'=!
   Call: (232) [system] 'D'='\''
   Fail: (232) [system] 'D'='\''
   Call: (232) [system] 'D'='`'
   Fail: (232) [system] 'D'='`'
   Call: (232) [system] 'D'=end_of_file
   Fail: (232) [system] 'D'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x55772f068e50), 'D', _1598470)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1633980)
   Call: (234) [system] peek_char((0x55772f068e50), _1634914)
   Exit: (234) [system] peek_char((0x55772f068e50), ')')
^  Call: (234) [user] is_delimiter(')')
   Call: (235) [system] char_type(')', space)
   Fail: (235) [system] char_type(')', space)
   Call: (235) [system] arg(_1639634, v('(', ')', end_of_file), ')')
   Exit: (235) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (234) [user] is_delimiter(')')
   Call: (234) [system] _1633980=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (233) [user] classify_and_convert_charseq(['D'], _1598470)
^  Call: (234) [user] classify_and_convert_charseq_(['D'], _1646070)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_1647022, _1647024), once(user:catch(read_from_chars(['D'], _1646070), _1647004, fail)), '$restore_trace'(_1647022, _1647024))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_1647022, _1647024))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1646070), _1647004, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_1646070)
   Fail: (235) [system] atomic(_1646070)
   Call: (235) [system] atom_chars(_1646070, ['D'])
   Exit: (235) [system] atom_chars('D', ['D'])
^  Exit: (234) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (234) [system] integer('D')
   Fail: (234) [system] integer('D')
   Call: (234) [system] _1598470='D'
   Exit: (234) [system] 'D'='D'
^  Exit: (233) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (232) [user] read_symbolic(')', (0x55772f068e50), 'D', 'D')
^  Exit: (231) [user] cont_sexpr(')', (0x55772f068e50), 'D')
^  Call: (231) [user] read_list(')', (0x55772f068e50), _1661020)
^  Call: (232) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _1662878)
   Exit: (233) [system] peek_char((0x55772f068e50), ')')
   Call: (233) [system] ')'=(;)
   Fail: (233) [system] ')'=(;)
   Call: (233) [system] ')'=(/)
   Fail: (233) [system] ')'=(/)
^  Call: (233) [user] is_like_space(')')
   Call: (234) [system] char_type(')', 'white')
   Fail: (234) [system] char_type(')', 'white')
   Call: (234) [system] char_type(')', end_of_line)
   Fail: (234) [system] char_type(')', end_of_line)
   Call: (234) [system] char_type(')', space)
   Fail: (234) [system] char_type(')', space)
   Call: (234) [system] char_type(')', cntrl)
   Fail: (234) [system] char_type(')', cntrl)
^  Fail: (233) [user] is_like_space(')')
^  Exit: (232) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _1678888)
   Exit: (232) [system] peek_char((0x55772f068e50), ')')
   Call: (232) [system] ')'=')'
   Exit: (232) [system] ')'=')'
   Call: (232) [system] get_char((0x55772f068e50), _1682678)
   Exit: (232) [system] get_char((0x55772f068e50), ')')
   Call: (232) [system] _1661020=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_list(')', (0x55772f068e50), [])
   Call: (231) [system] _1561810=['D']
   Exit: (231) [system] ['D']=['D']
^  Exit: (230) [user] read_list(')', (0x55772f068e50), ['D'])
   Call: (230) [system] _1464472=['C', 'D']
   Exit: (230) [system] ['C', 'D']=['C', 'D']
^  Exit: (229) [user] read_list(')', (0x55772f068e50), ['C', 'D'])
   Call: (229) [system] _1275126=['OrLink', 'C', 'D']
   Exit: (229) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (228) [user] read_list(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Exit: (227) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Call: (227) [user] read_list(')', (0x55772f068e50), _1696560)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1698418)
   Exit: (229) [system] peek_char((0x55772f068e50), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x55772f068e50), _1708012)
   Exit: (229) [system] get_char((0x55772f068e50), ' ')
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1710716)
   Exit: (230) [system] peek_char((0x55772f068e50), 'E')
   Call: (230) [system] 'E'=(;)
   Fail: (230) [system] 'E'=(;)
   Call: (230) [system] 'E'=(/)
   Fail: (230) [system] 'E'=(/)
^  Call: (230) [user] is_like_space('E')
   Call: (231) [system] char_type('E', 'white')
   Fail: (231) [system] char_type('E', 'white')
   Call: (231) [system] char_type('E', end_of_line)
   Fail: (231) [system] char_type('E', end_of_line)
   Call: (231) [system] char_type('E', space)
   Fail: (231) [system] char_type('E', space)
   Call: (231) [system] char_type('E', cntrl)
   Fail: (231) [system] char_type('E', cntrl)
^  Fail: (230) [user] is_like_space('E')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1727650)
   Exit: (228) [system] peek_char((0x55772f068e50), 'E')
   Call: (228) [system] 'E'=')'
   Fail: (228) [system] 'E'=')'
   Call: (228) [system] 'E'=end_of_file
   Fail: (228) [system] 'E'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x55772f068e50), _1733220)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1735078)
   Exit: (230) [system] peek_char((0x55772f068e50), 'E')
   Call: (230) [system] 'E'=(;)
   Fail: (230) [system] 'E'=(;)
   Call: (230) [system] 'E'=(/)
   Fail: (230) [system] 'E'=(/)
^  Call: (230) [user] is_like_space('E')
   Call: (231) [system] char_type('E', 'white')
   Fail: (231) [system] char_type('E', 'white')
   Call: (231) [system] char_type('E', end_of_line)
   Fail: (231) [system] char_type('E', end_of_line)
   Call: (231) [system] char_type('E', space)
   Fail: (231) [system] char_type('E', space)
   Call: (231) [system] char_type('E', cntrl)
   Fail: (231) [system] char_type('E', cntrl)
^  Fail: (230) [user] is_like_space('E')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] get_char((0x55772f068e50), _1751088)
   Exit: (229) [system] get_char((0x55772f068e50), 'E')
   Call: (229) [system] 'E'='('
   Fail: (229) [system] 'E'='('
   Call: (229) [system] 'E'='['
   Fail: (229) [system] 'E'='['
   Call: (229) [system] 'E'='{'
   Fail: (229) [system] 'E'='{'
   Call: (229) [system] 'E'='"'
   Fail: (229) [system] 'E'='"'
   Call: (229) [system] 'E'=!
   Fail: (229) [system] 'E'=!
   Call: (229) [system] 'E'='\''
   Fail: (229) [system] 'E'='\''
   Call: (229) [system] 'E'='`'
   Fail: (229) [system] 'E'='`'
   Call: (229) [system] 'E'=end_of_file
   Fail: (229) [system] 'E'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x55772f068e50), 'E', _1733220)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1768730)
   Call: (231) [system] peek_char((0x55772f068e50), _1769664)
   Exit: (231) [system] peek_char((0x55772f068e50), ')')
^  Call: (231) [user] is_delimiter(')')
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] arg(_1774384, v('(', ')', end_of_file), ')')
   Exit: (232) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (231) [user] is_delimiter(')')
   Call: (231) [system] _1768730=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (230) [user] classify_and_convert_charseq(['E'], _1733220)
^  Call: (231) [user] classify_and_convert_charseq_(['E'], _1780820)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1781772, _1781774), once(user:catch(read_from_chars(['E'], _1780820), _1781754, fail)), '$restore_trace'(_1781772, _1781774))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1781772, _1781774))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1780820), _1781754, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_1780820)
   Fail: (232) [system] atomic(_1780820)
   Call: (232) [system] atom_chars(_1780820, ['E'])
   Exit: (232) [system] atom_chars('E', ['E'])
^  Exit: (231) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (231) [system] integer('E')
   Fail: (231) [system] integer('E')
   Call: (231) [system] _1733220='E'
   Exit: (231) [system] 'E'='E'
^  Exit: (230) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (229) [user] read_symbolic(')', (0x55772f068e50), 'E', 'E')
^  Exit: (228) [user] cont_sexpr(')', (0x55772f068e50), 'E')
^  Call: (228) [user] read_list(')', (0x55772f068e50), _1795770)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1797628)
   Exit: (230) [system] peek_char((0x55772f068e50), ')')
   Call: (230) [system] ')'=(;)
   Fail: (230) [system] ')'=(;)
   Call: (230) [system] ')'=(/)
   Fail: (230) [system] ')'=(/)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Fail: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Fail: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
   Fail: (231) [system] char_type(')', cntrl)
^  Fail: (230) [user] is_like_space(')')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1813638)
   Exit: (229) [system] peek_char((0x55772f068e50), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x55772f068e50), _1817428)
   Exit: (229) [system] get_char((0x55772f068e50), ')')
   Call: (229) [system] _1795770=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x55772f068e50), [])
   Call: (228) [system] _1696560=['E']
   Exit: (228) [system] ['E']=['E']
^  Exit: (227) [user] read_list(')', (0x55772f068e50), ['E'])
   Call: (227) [system] _1238466=[['OrLink', 'C', 'D'], 'E']
   Exit: (227) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (226) [user] read_list(')', (0x55772f068e50), [['OrLink', 'C', 'D'], 'E'])
   Call: (226) [system] _965470=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (226) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (225) [user] read_list(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (224) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (224) [user] read_list(')', (0x55772f068e50), _1831310)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1833168)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x55772f068e50), _1842762)
   Exit: (226) [system] get_char((0x55772f068e50), ' ')
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1845466)
   Exit: (227) [system] peek_char((0x55772f068e50), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1862400)
   Exit: (225) [system] peek_char((0x55772f068e50), '(')
   Call: (225) [system] '('=')'
   Fail: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
   Fail: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x55772f068e50), _1867970)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1869828)
   Exit: (227) [system] peek_char((0x55772f068e50), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] get_char((0x55772f068e50), _1885838)
   Exit: (226) [system] get_char((0x55772f068e50), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x55772f068e50), _1867970)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1891408)
   Exit: (228) [system] peek_char((0x55772f068e50), 'I')
   Call: (228) [system] 'I'=(;)
   Fail: (228) [system] 'I'=(;)
   Call: (228) [system] 'I'=(/)
   Fail: (228) [system] 'I'=(/)
^  Call: (228) [user] is_like_space('I')
   Call: (229) [system] char_type('I', 'white')
   Fail: (229) [system] char_type('I', 'white')
   Call: (229) [system] char_type('I', end_of_line)
   Fail: (229) [system] char_type('I', end_of_line)
   Call: (229) [system] char_type('I', space)
   Fail: (229) [system] char_type('I', space)
   Call: (229) [system] char_type('I', cntrl)
   Fail: (229) [system] char_type('I', cntrl)
^  Fail: (228) [user] is_like_space('I')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1907418)
   Exit: (227) [system] peek_char((0x55772f068e50), 'I')
   Call: (227) [system] 'I'=')'
   Fail: (227) [system] 'I'=')'
   Call: (227) [system] 'I'=end_of_file
   Fail: (227) [system] 'I'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x55772f068e50), _1912988)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1914846)
   Exit: (229) [system] peek_char((0x55772f068e50), 'I')
   Call: (229) [system] 'I'=(;)
   Fail: (229) [system] 'I'=(;)
   Call: (229) [system] 'I'=(/)
   Fail: (229) [system] 'I'=(/)
^  Call: (229) [user] is_like_space('I')
   Call: (230) [system] char_type('I', 'white')
   Fail: (230) [system] char_type('I', 'white')
   Call: (230) [system] char_type('I', end_of_line)
   Fail: (230) [system] char_type('I', end_of_line)
   Call: (230) [system] char_type('I', space)
   Fail: (230) [system] char_type('I', space)
   Call: (230) [system] char_type('I', cntrl)
   Fail: (230) [system] char_type('I', cntrl)
^  Fail: (229) [user] is_like_space('I')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] get_char((0x55772f068e50), _1930856)
   Exit: (228) [system] get_char((0x55772f068e50), 'I')
   Call: (228) [system] 'I'='('
   Fail: (228) [system] 'I'='('
   Call: (228) [system] 'I'='['
   Fail: (228) [system] 'I'='['
   Call: (228) [system] 'I'='{'
   Fail: (228) [system] 'I'='{'
   Call: (228) [system] 'I'='"'
   Fail: (228) [system] 'I'='"'
   Call: (228) [system] 'I'=!
   Fail: (228) [system] 'I'=!
   Call: (228) [system] 'I'='\''
   Fail: (228) [system] 'I'='\''
   Call: (228) [system] 'I'='`'
   Fail: (228) [system] 'I'='`'
   Call: (228) [system] 'I'=end_of_file
   Fail: (228) [system] 'I'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x55772f068e50), 'I', _1912988)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1948498)
   Call: (230) [system] peek_char((0x55772f068e50), _1949432)
   Exit: (230) [system] peek_char((0x55772f068e50), m)
^  Call: (230) [user] is_delimiter(m)
   Call: (231) [system] char_type(m, space)
   Fail: (231) [system] char_type(m, space)
   Call: (231) [system] arg(_1954152, v('(', ')', end_of_file), m)
   Fail: (231) [system] arg(_1955084, v('(', ')', end_of_file), m)
^  Fail: (230) [user] is_delimiter(m)
   Call: (230) [system] ')'==m
   Fail: (230) [system] ')'==m
   Call: (230) [system] get_char((0x55772f068e50), m)
   Exit: (230) [system] get_char((0x55772f068e50), m)
   Call: (230) [system] m=(\)
   Fail: (230) [system] m=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1962434)
   Call: (231) [system] peek_char((0x55772f068e50), _1963368)
   Exit: (231) [system] peek_char((0x55772f068e50), p)
^  Call: (231) [user] is_delimiter(p)
   Call: (232) [system] char_type(p, space)
   Fail: (232) [system] char_type(p, space)
   Call: (232) [system] arg(_1968088, v('(', ')', end_of_file), p)
   Fail: (232) [system] arg(_1969020, v('(', ')', end_of_file), p)
^  Fail: (231) [user] is_delimiter(p)
   Call: (231) [system] ')'==p
   Fail: (231) [system] ')'==p
   Call: (231) [system] get_char((0x55772f068e50), p)
   Exit: (231) [system] get_char((0x55772f068e50), p)
   Call: (231) [system] p=(\)
   Fail: (231) [system] p=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1976370)
   Call: (232) [system] peek_char((0x55772f068e50), _1977304)
   Exit: (232) [system] peek_char((0x55772f068e50), l)
^  Call: (232) [user] is_delimiter(l)
   Call: (233) [system] char_type(l, space)
   Fail: (233) [system] char_type(l, space)
   Call: (233) [system] arg(_1982024, v('(', ')', end_of_file), l)
   Fail: (233) [system] arg(_1982956, v('(', ')', end_of_file), l)
^  Fail: (232) [user] is_delimiter(l)
   Call: (232) [system] ')'==l
   Fail: (232) [system] ')'==l
   Call: (232) [system] get_char((0x55772f068e50), l)
   Exit: (232) [system] get_char((0x55772f068e50), l)
   Call: (232) [system] l=(\)
   Fail: (232) [system] l=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1990306)
   Call: (233) [system] peek_char((0x55772f068e50), _1991240)
   Exit: (233) [system] peek_char((0x55772f068e50), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_1995960, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_1996892, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x55772f068e50), i)
   Exit: (233) [system] get_char((0x55772f068e50), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _2004242)
   Call: (234) [system] peek_char((0x55772f068e50), _2005176)
   Exit: (234) [system] peek_char((0x55772f068e50), c)
^  Call: (234) [user] is_delimiter(c)
   Call: (235) [system] char_type(c, space)
   Fail: (235) [system] char_type(c, space)
   Call: (235) [system] arg(_2009896, v('(', ')', end_of_file), c)
   Fail: (235) [system] arg(_2010828, v('(', ')', end_of_file), c)
^  Fail: (234) [user] is_delimiter(c)
   Call: (234) [system] ')'==c
   Fail: (234) [system] ')'==c
   Call: (234) [system] get_char((0x55772f068e50), c)
   Exit: (234) [system] get_char((0x55772f068e50), c)
   Call: (234) [system] c=(\)
   Fail: (234) [system] c=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _2018178)
   Call: (235) [system] peek_char((0x55772f068e50), _2019112)
   Exit: (235) [system] peek_char((0x55772f068e50), a)
^  Call: (235) [user] is_delimiter(a)
   Call: (236) [system] char_type(a, space)
   Fail: (236) [system] char_type(a, space)
   Call: (236) [system] arg(_2023832, v('(', ')', end_of_file), a)
   Fail: (236) [system] arg(_2024764, v('(', ')', end_of_file), a)
^  Fail: (235) [user] is_delimiter(a)
   Call: (235) [system] ')'==a
   Fail: (235) [system] ')'==a
   Call: (235) [system] get_char((0x55772f068e50), a)
   Exit: (235) [system] get_char((0x55772f068e50), a)
   Call: (235) [system] a=(\)
   Fail: (235) [system] a=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _2032114)
   Call: (236) [system] peek_char((0x55772f068e50), _2033048)
   Exit: (236) [system] peek_char((0x55772f068e50), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Fail: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_2037768, v('(', ')', end_of_file), t)
   Fail: (237) [system] arg(_2038700, v('(', ')', end_of_file), t)
^  Fail: (236) [user] is_delimiter(t)
   Call: (236) [system] ')'==t
   Fail: (236) [system] ')'==t
   Call: (236) [system] get_char((0x55772f068e50), t)
   Exit: (236) [system] get_char((0x55772f068e50), t)
   Call: (236) [system] t=(\)
   Fail: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _2046050)
   Call: (237) [system] peek_char((0x55772f068e50), _2046984)
   Exit: (237) [system] peek_char((0x55772f068e50), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Fail: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_2051704, v('(', ')', end_of_file), i)
   Fail: (238) [system] arg(_2052636, v('(', ')', end_of_file), i)
^  Fail: (237) [user] is_delimiter(i)
   Call: (237) [system] ')'==i
   Fail: (237) [system] ')'==i
   Call: (237) [system] get_char((0x55772f068e50), i)
   Exit: (237) [system] get_char((0x55772f068e50), i)
   Call: (237) [system] i=(\)
   Fail: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _2059986)
   Call: (238) [system] peek_char((0x55772f068e50), _2060920)
   Exit: (238) [system] peek_char((0x55772f068e50), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Fail: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_2065640, v('(', ')', end_of_file), o)
   Fail: (239) [system] arg(_2066572, v('(', ')', end_of_file), o)
^  Fail: (238) [user] is_delimiter(o)
   Call: (238) [system] ')'==o
   Fail: (238) [system] ')'==o
   Call: (238) [system] get_char((0x55772f068e50), o)
   Exit: (238) [system] get_char((0x55772f068e50), o)
   Call: (238) [system] o=(\)
   Fail: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _2073922)
   Call: (239) [system] peek_char((0x55772f068e50), _2074856)
   Exit: (239) [system] peek_char((0x55772f068e50), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Fail: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_2079576, v('(', ')', end_of_file), n)
   Fail: (240) [system] arg(_2080508, v('(', ')', end_of_file), n)
^  Fail: (239) [user] is_delimiter(n)
   Call: (239) [system] ')'==n
   Fail: (239) [system] ')'==n
   Call: (239) [system] get_char((0x55772f068e50), n)
   Exit: (239) [system] get_char((0x55772f068e50), n)
   Call: (239) [system] n=(\)
   Fail: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _2087858)
   Call: (240) [system] peek_char((0x55772f068e50), _2088792)
   Exit: (240) [system] peek_char((0x55772f068e50), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _2087858=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (239) [system] _6036=[n]
   Exit: (239) [system] [n]=[n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (238) [system] _6032=[o, n]
   Exit: (238) [system] [o, n]=[o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (237) [system] _6028=[i, o, n]
   Exit: (237) [system] [i, o, n]=[i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (236) [system] _6024=[t, i, o, n]
   Exit: (236) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (235) [system] _6020=[a, t, i, o, n]
   Exit: (235) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (234) [system] _6016=[c, a, t, i, o, n]
   Exit: (234) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (233) [system] _6012=[i, c, a, t, i, o, n]
   Exit: (233) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (232) [system] _6008=[l, i, c, a, t, i, o, n]
   Exit: (232) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (231) [system] _6004=[p, l, i, c, a, t, i, o, n]
   Exit: (231) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (230) [system] _6000=[m, p, l, i, c, a, t, i, o, n]
   Exit: (230) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (229) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _5996)
^  Call: (230) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _35272)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_36224, _36226), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _35272), _36206, fail)), '$restore_trace'(_36224, _36226))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_36224, _36226))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _35272), _36206, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_35272)
   Fail: (231) [system] atomic(_35272)
   Call: (231) [system] atom_chars(_35272, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (231) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (230) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (230) [system] integer('Implication')
   Fail: (230) [system] integer('Implication')
   Call: (230) [system] _5996='Implication'
   Exit: (230) [system] 'Implication'='Implication'
^  Exit: (229) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (228) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (227) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (227) [user] read_list(')', (0x55772f068e50), _50222)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _52080)
   Exit: (229) [system] peek_char((0x55772f068e50), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x55772f068e50), _61674)
   Exit: (229) [system] get_char((0x55772f068e50), ' ')
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _64378)
   Exit: (230) [system] peek_char((0x55772f068e50), '(')
   Call: (230) [system] '('=(;)
   Fail: (230) [system] '('=(;)
   Call: (230) [system] '('=(/)
   Fail: (230) [system] '('=(/)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Fail: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Fail: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Fail: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
   Fail: (231) [system] char_type('(', cntrl)
^  Fail: (230) [user] is_like_space('(')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _81312)
   Exit: (228) [system] peek_char((0x55772f068e50), '(')
   Call: (228) [system] '('=')'
   Fail: (228) [system] '('=')'
   Call: (228) [system] '('=end_of_file
   Fail: (228) [system] '('=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x55772f068e50), _86882)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _88740)
   Exit: (230) [system] peek_char((0x55772f068e50), '(')
   Call: (230) [system] '('=(;)
   Fail: (230) [system] '('=(;)
   Call: (230) [system] '('=(/)
   Fail: (230) [system] '('=(/)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Fail: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Fail: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Fail: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
   Fail: (231) [system] char_type('(', cntrl)
^  Fail: (230) [user] is_like_space('(')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] get_char((0x55772f068e50), _104750)
   Exit: (229) [system] get_char((0x55772f068e50), '(')
   Call: (229) [system] '('='('
   Exit: (229) [system] '('='('
^  Call: (229) [user] read_list(')', (0x55772f068e50), _86882)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _110320)
   Exit: (231) [system] peek_char((0x55772f068e50), 'O')
   Call: (231) [system] 'O'=(;)
   Fail: (231) [system] 'O'=(;)
   Call: (231) [system] 'O'=(/)
   Fail: (231) [system] 'O'=(/)
^  Call: (231) [user] is_like_space('O')
   Call: (232) [system] char_type('O', 'white')
   Fail: (232) [system] char_type('O', 'white')
   Call: (232) [system] char_type('O', end_of_line)
   Fail: (232) [system] char_type('O', end_of_line)
   Call: (232) [system] char_type('O', space)
   Fail: (232) [system] char_type('O', space)
   Call: (232) [system] char_type('O', cntrl)
   Fail: (232) [system] char_type('O', cntrl)
^  Fail: (231) [user] is_like_space('O')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _126330)
   Exit: (230) [system] peek_char((0x55772f068e50), 'O')
   Call: (230) [system] 'O'=')'
   Fail: (230) [system] 'O'=')'
   Call: (230) [system] 'O'=end_of_file
   Fail: (230) [system] 'O'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x55772f068e50), _131900)
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _133758)
   Exit: (232) [system] peek_char((0x55772f068e50), 'O')
   Call: (232) [system] 'O'=(;)
   Fail: (232) [system] 'O'=(;)
   Call: (232) [system] 'O'=(/)
   Fail: (232) [system] 'O'=(/)
^  Call: (232) [user] is_like_space('O')
   Call: (233) [system] char_type('O', 'white')
   Fail: (233) [system] char_type('O', 'white')
   Call: (233) [system] char_type('O', end_of_line)
   Fail: (233) [system] char_type('O', end_of_line)
   Call: (233) [system] char_type('O', space)
   Fail: (233) [system] char_type('O', space)
   Call: (233) [system] char_type('O', cntrl)
   Fail: (233) [system] char_type('O', cntrl)
^  Fail: (232) [user] is_like_space('O')
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] get_char((0x55772f068e50), _149768)
   Exit: (231) [system] get_char((0x55772f068e50), 'O')
   Call: (231) [system] 'O'='('
   Fail: (231) [system] 'O'='('
   Call: (231) [system] 'O'='['
   Fail: (231) [system] 'O'='['
   Call: (231) [system] 'O'='{'
   Fail: (231) [system] 'O'='{'
   Call: (231) [system] 'O'='"'
   Fail: (231) [system] 'O'='"'
   Call: (231) [system] 'O'=!
   Fail: (231) [system] 'O'=!
   Call: (231) [system] 'O'='\''
   Fail: (231) [system] 'O'='\''
   Call: (231) [system] 'O'='`'
   Fail: (231) [system] 'O'='`'
   Call: (231) [system] 'O'=end_of_file
   Fail: (231) [system] 'O'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x55772f068e50), 'O', _131900)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _167410)
   Call: (233) [system] peek_char((0x55772f068e50), _168344)
   Exit: (233) [system] peek_char((0x55772f068e50), r)
^  Call: (233) [user] is_delimiter(r)
   Call: (234) [system] char_type(r, space)
   Fail: (234) [system] char_type(r, space)
   Call: (234) [system] arg(_173064, v('(', ')', end_of_file), r)
   Fail: (234) [system] arg(_173996, v('(', ')', end_of_file), r)
^  Fail: (233) [user] is_delimiter(r)
   Call: (233) [system] ')'==r
   Fail: (233) [system] ')'==r
   Call: (233) [system] get_char((0x55772f068e50), r)
   Exit: (233) [system] get_char((0x55772f068e50), r)
   Call: (233) [system] r=(\)
   Fail: (233) [system] r=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _181346)
   Call: (234) [system] peek_char((0x55772f068e50), _182280)
   Exit: (234) [system] peek_char((0x55772f068e50), 'L')
^  Call: (234) [user] is_delimiter('L')
   Call: (235) [system] char_type('L', space)
   Fail: (235) [system] char_type('L', space)
   Call: (235) [system] arg(_187000, v('(', ')', end_of_file), 'L')
   Fail: (235) [system] arg(_187932, v('(', ')', end_of_file), 'L')
^  Fail: (234) [user] is_delimiter('L')
   Call: (234) [system] ')'=='L'
   Fail: (234) [system] ')'=='L'
   Call: (234) [system] get_char((0x55772f068e50), 'L')
   Exit: (234) [system] get_char((0x55772f068e50), 'L')
   Call: (234) [system] 'L'=(\)
   Fail: (234) [system] 'L'=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _195282)
   Call: (235) [system] peek_char((0x55772f068e50), _196216)
   Exit: (235) [system] peek_char((0x55772f068e50), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Fail: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_200936, v('(', ')', end_of_file), i)
   Fail: (236) [system] arg(_201868, v('(', ')', end_of_file), i)
^  Fail: (235) [user] is_delimiter(i)
   Call: (235) [system] ')'==i
   Fail: (235) [system] ')'==i
   Call: (235) [system] get_char((0x55772f068e50), i)
   Exit: (235) [system] get_char((0x55772f068e50), i)
   Call: (235) [system] i=(\)
   Fail: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _209218)
   Call: (236) [system] peek_char((0x55772f068e50), _210152)
   Exit: (236) [system] peek_char((0x55772f068e50), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_214872, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_215804, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x55772f068e50), n)
   Exit: (236) [system] get_char((0x55772f068e50), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _223154)
   Call: (237) [system] peek_char((0x55772f068e50), _224088)
   Exit: (237) [system] peek_char((0x55772f068e50), k)
^  Call: (237) [user] is_delimiter(k)
   Call: (238) [system] char_type(k, space)
   Fail: (238) [system] char_type(k, space)
   Call: (238) [system] arg(_228808, v('(', ')', end_of_file), k)
   Fail: (238) [system] arg(_229740, v('(', ')', end_of_file), k)
^  Fail: (237) [user] is_delimiter(k)
   Call: (237) [system] ')'==k
   Fail: (237) [system] ')'==k
   Call: (237) [system] get_char((0x55772f068e50), k)
   Exit: (237) [system] get_char((0x55772f068e50), k)
   Call: (237) [system] k=(\)
   Fail: (237) [system] k=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _237090)
   Call: (238) [system] peek_char((0x55772f068e50), _238024)
   Exit: (238) [system] peek_char((0x55772f068e50), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _237090=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (237) [system] _223154=[k]
   Exit: (237) [system] [k]=[k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (236) [system] _209218=[n, k]
   Exit: (236) [system] [n, k]=[n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (235) [system] _195282=[i, n, k]
   Exit: (235) [system] [i, n, k]=[i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (234) [system] _181346=['L', i, n, k]
   Exit: (234) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (233) [system] _167410=[r, 'L', i, n, k]
   Exit: (233) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (232) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _131900)
^  Call: (233) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _261278)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_262230, _262232), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _261278), _262212, fail)), '$restore_trace'(_262230, _262232))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_262230, _262232))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _261278), _262212, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_261278)
   Fail: (234) [system] atomic(_261278)
   Call: (234) [system] atom_chars(_261278, ['O', r, 'L', i, n, k])
   Exit: (234) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (233) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (233) [system] integer('OrLink')
   Fail: (233) [system] integer('OrLink')
   Call: (233) [system] _131900='OrLink'
   Exit: (233) [system] 'OrLink'='OrLink'
^  Exit: (232) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (231) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (230) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (230) [user] read_list(')', (0x55772f068e50), _276228)
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _278086)
   Exit: (232) [system] peek_char((0x55772f068e50), ' ')
   Call: (232) [system] ' '=(;)
   Fail: (232) [system] ' '=(;)
   Call: (232) [system] ' '=(/)
   Fail: (232) [system] ' '=(/)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x55772f068e50), _287680)
   Exit: (232) [system] get_char((0x55772f068e50), ' ')
^  Call: (232) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _290384)
   Exit: (233) [system] peek_char((0x55772f068e50), 'C')
   Call: (233) [system] 'C'=(;)
   Fail: (233) [system] 'C'=(;)
   Call: (233) [system] 'C'=(/)
   Fail: (233) [system] 'C'=(/)
^  Call: (233) [user] is_like_space('C')
   Call: (234) [system] char_type('C', 'white')
   Fail: (234) [system] char_type('C', 'white')
   Call: (234) [system] char_type('C', end_of_line)
   Fail: (234) [system] char_type('C', end_of_line)
   Call: (234) [system] char_type('C', space)
   Fail: (234) [system] char_type('C', space)
   Call: (234) [system] char_type('C', cntrl)
   Fail: (234) [system] char_type('C', cntrl)
^  Fail: (233) [user] is_like_space('C')
^  Exit: (232) [user] skip_spaces((0x55772f068e50))
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _307318)
   Exit: (231) [system] peek_char((0x55772f068e50), 'C')
   Call: (231) [system] 'C'=')'
   Fail: (231) [system] 'C'=')'
   Call: (231) [system] 'C'=end_of_file
   Fail: (231) [system] 'C'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x55772f068e50), _312888)
^  Call: (232) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _314746)
   Exit: (233) [system] peek_char((0x55772f068e50), 'C')
   Call: (233) [system] 'C'=(;)
   Fail: (233) [system] 'C'=(;)
   Call: (233) [system] 'C'=(/)
   Fail: (233) [system] 'C'=(/)
^  Call: (233) [user] is_like_space('C')
   Call: (234) [system] char_type('C', 'white')
   Fail: (234) [system] char_type('C', 'white')
   Call: (234) [system] char_type('C', end_of_line)
   Fail: (234) [system] char_type('C', end_of_line)
   Call: (234) [system] char_type('C', space)
   Fail: (234) [system] char_type('C', space)
   Call: (234) [system] char_type('C', cntrl)
   Fail: (234) [system] char_type('C', cntrl)
^  Fail: (233) [user] is_like_space('C')
^  Exit: (232) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] get_char((0x55772f068e50), _330756)
   Exit: (232) [system] get_char((0x55772f068e50), 'C')
   Call: (232) [system] 'C'='('
   Fail: (232) [system] 'C'='('
   Call: (232) [system] 'C'='['
   Fail: (232) [system] 'C'='['
   Call: (232) [system] 'C'='{'
   Fail: (232) [system] 'C'='{'
   Call: (232) [system] 'C'='"'
   Fail: (232) [system] 'C'='"'
   Call: (232) [system] 'C'=!
   Fail: (232) [system] 'C'=!
   Call: (232) [system] 'C'='\''
   Fail: (232) [system] 'C'='\''
   Call: (232) [system] 'C'='`'
   Fail: (232) [system] 'C'='`'
   Call: (232) [system] 'C'=end_of_file
   Fail: (232) [system] 'C'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x55772f068e50), 'C', _312888)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _348398)
   Call: (234) [system] peek_char((0x55772f068e50), _349332)
   Exit: (234) [system] peek_char((0x55772f068e50), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _348398=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (233) [user] classify_and_convert_charseq(['C'], _312888)
^  Call: (234) [user] classify_and_convert_charseq_(['C'], _358616)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_359568, _359570), once(user:catch(read_from_chars(['C'], _358616), _359550, fail)), '$restore_trace'(_359568, _359570))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_359568, _359570))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _358616), _359550, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_358616)
   Fail: (235) [system] atomic(_358616)
   Call: (235) [system] atom_chars(_358616, ['C'])
   Exit: (235) [system] atom_chars('C', ['C'])
^  Exit: (234) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (234) [system] integer('C')
   Fail: (234) [system] integer('C')
   Call: (234) [system] _312888='C'
   Exit: (234) [system] 'C'='C'
^  Exit: (233) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (232) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (231) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (231) [user] read_list(')', (0x55772f068e50), _373566)
^  Call: (232) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _375424)
   Exit: (233) [system] peek_char((0x55772f068e50), ' ')
   Call: (233) [system] ' '=(;)
   Fail: (233) [system] ' '=(;)
   Call: (233) [system] ' '=(/)
   Fail: (233) [system] ' '=(/)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x55772f068e50), _385018)
   Exit: (233) [system] get_char((0x55772f068e50), ' ')
^  Call: (233) [user] skip_spaces((0x55772f068e50))
   Call: (234) [system] peek_char((0x55772f068e50), _387722)
   Exit: (234) [system] peek_char((0x55772f068e50), 'D')
   Call: (234) [system] 'D'=(;)
   Fail: (234) [system] 'D'=(;)
   Call: (234) [system] 'D'=(/)
   Fail: (234) [system] 'D'=(/)
^  Call: (234) [user] is_like_space('D')
   Call: (235) [system] char_type('D', 'white')
   Fail: (235) [system] char_type('D', 'white')
   Call: (235) [system] char_type('D', end_of_line)
   Fail: (235) [system] char_type('D', end_of_line)
   Call: (235) [system] char_type('D', space)
   Fail: (235) [system] char_type('D', space)
   Call: (235) [system] char_type('D', cntrl)
   Fail: (235) [system] char_type('D', cntrl)
^  Fail: (234) [user] is_like_space('D')
^  Exit: (233) [user] skip_spaces((0x55772f068e50))
^  Exit: (232) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _404656)
   Exit: (232) [system] peek_char((0x55772f068e50), 'D')
   Call: (232) [system] 'D'=')'
   Fail: (232) [system] 'D'=')'
   Call: (232) [system] 'D'=end_of_file
   Fail: (232) [system] 'D'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x55772f068e50), _410226)
^  Call: (233) [user] skip_spaces((0x55772f068e50))
   Call: (234) [system] peek_char((0x55772f068e50), _412084)
   Exit: (234) [system] peek_char((0x55772f068e50), 'D')
   Call: (234) [system] 'D'=(;)
   Fail: (234) [system] 'D'=(;)
   Call: (234) [system] 'D'=(/)
   Fail: (234) [system] 'D'=(/)
^  Call: (234) [user] is_like_space('D')
   Call: (235) [system] char_type('D', 'white')
   Fail: (235) [system] char_type('D', 'white')
   Call: (235) [system] char_type('D', end_of_line)
   Fail: (235) [system] char_type('D', end_of_line)
   Call: (235) [system] char_type('D', space)
   Fail: (235) [system] char_type('D', space)
   Call: (235) [system] char_type('D', cntrl)
   Fail: (235) [system] char_type('D', cntrl)
^  Fail: (234) [user] is_like_space('D')
^  Exit: (233) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] get_char((0x55772f068e50), _428094)
   Exit: (233) [system] get_char((0x55772f068e50), 'D')
   Call: (233) [system] 'D'='('
   Fail: (233) [system] 'D'='('
   Call: (233) [system] 'D'='['
   Fail: (233) [system] 'D'='['
   Call: (233) [system] 'D'='{'
   Fail: (233) [system] 'D'='{'
   Call: (233) [system] 'D'='"'
   Fail: (233) [system] 'D'='"'
   Call: (233) [system] 'D'=!
   Fail: (233) [system] 'D'=!
   Call: (233) [system] 'D'='\''
   Fail: (233) [system] 'D'='\''
   Call: (233) [system] 'D'='`'
   Fail: (233) [system] 'D'='`'
   Call: (233) [system] 'D'=end_of_file
   Fail: (233) [system] 'D'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x55772f068e50), 'D', _410226)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _445736)
   Call: (235) [system] peek_char((0x55772f068e50), _446670)
   Exit: (235) [system] peek_char((0x55772f068e50), ')')
^  Call: (235) [user] is_delimiter(')')
   Call: (236) [system] char_type(')', space)
   Fail: (236) [system] char_type(')', space)
   Call: (236) [system] arg(_451390, v('(', ')', end_of_file), ')')
   Exit: (236) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (235) [user] is_delimiter(')')
   Call: (235) [system] _445736=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (234) [user] classify_and_convert_charseq(['D'], _410226)
^  Call: (235) [user] classify_and_convert_charseq_(['D'], _457826)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_458778, _458780), once(user:catch(read_from_chars(['D'], _457826), _458760, fail)), '$restore_trace'(_458778, _458780))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_458778, _458780))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _457826), _458760, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(_457826)
   Fail: (236) [system] atomic(_457826)
   Call: (236) [system] atom_chars(_457826, ['D'])
   Exit: (236) [system] atom_chars('D', ['D'])
^  Exit: (235) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (235) [system] integer('D')
   Fail: (235) [system] integer('D')
   Call: (235) [system] _410226='D'
   Exit: (235) [system] 'D'='D'
^  Exit: (234) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (233) [user] read_symbolic(')', (0x55772f068e50), 'D', 'D')
^  Exit: (232) [user] cont_sexpr(')', (0x55772f068e50), 'D')
^  Call: (232) [user] read_list(')', (0x55772f068e50), _472776)
^  Call: (233) [user] skip_spaces((0x55772f068e50))
   Call: (234) [system] peek_char((0x55772f068e50), _474634)
   Exit: (234) [system] peek_char((0x55772f068e50), ')')
   Call: (234) [system] ')'=(;)
   Fail: (234) [system] ')'=(;)
   Call: (234) [system] ')'=(/)
   Fail: (234) [system] ')'=(/)
^  Call: (234) [user] is_like_space(')')
   Call: (235) [system] char_type(')', 'white')
   Fail: (235) [system] char_type(')', 'white')
   Call: (235) [system] char_type(')', end_of_line)
   Fail: (235) [system] char_type(')', end_of_line)
   Call: (235) [system] char_type(')', space)
   Fail: (235) [system] char_type(')', space)
   Call: (235) [system] char_type(')', cntrl)
   Fail: (235) [system] char_type(')', cntrl)
^  Fail: (234) [user] is_like_space(')')
^  Exit: (233) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _490644)
   Exit: (233) [system] peek_char((0x55772f068e50), ')')
   Call: (233) [system] ')'=')'
   Exit: (233) [system] ')'=')'
   Call: (233) [system] get_char((0x55772f068e50), _494434)
   Exit: (233) [system] get_char((0x55772f068e50), ')')
   Call: (233) [system] _472776=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_list(')', (0x55772f068e50), [])
   Call: (232) [system] _373566=['D']
   Exit: (232) [system] ['D']=['D']
^  Exit: (231) [user] read_list(')', (0x55772f068e50), ['D'])
   Call: (231) [system] _276228=['C', 'D']
   Exit: (231) [system] ['C', 'D']=['C', 'D']
^  Exit: (230) [user] read_list(')', (0x55772f068e50), ['C', 'D'])
   Call: (230) [system] _86882=['OrLink', 'C', 'D']
   Exit: (230) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (229) [user] read_list(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Exit: (228) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Call: (228) [user] read_list(')', (0x55772f068e50), _508316)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _510174)
   Exit: (230) [system] peek_char((0x55772f068e50), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
   Call: (230) [system] ' '=(/)
   Fail: (230) [system] ' '=(/)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x55772f068e50), _519768)
   Exit: (230) [system] get_char((0x55772f068e50), ' ')
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _522472)
   Exit: (231) [system] peek_char((0x55772f068e50), 'E')
   Call: (231) [system] 'E'=(;)
   Fail: (231) [system] 'E'=(;)
   Call: (231) [system] 'E'=(/)
   Fail: (231) [system] 'E'=(/)
^  Call: (231) [user] is_like_space('E')
   Call: (232) [system] char_type('E', 'white')
   Fail: (232) [system] char_type('E', 'white')
   Call: (232) [system] char_type('E', end_of_line)
   Fail: (232) [system] char_type('E', end_of_line)
   Call: (232) [system] char_type('E', space)
   Fail: (232) [system] char_type('E', space)
   Call: (232) [system] char_type('E', cntrl)
   Fail: (232) [system] char_type('E', cntrl)
^  Fail: (231) [user] is_like_space('E')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _539406)
   Exit: (229) [system] peek_char((0x55772f068e50), 'E')
   Call: (229) [system] 'E'=')'
   Fail: (229) [system] 'E'=')'
   Call: (229) [system] 'E'=end_of_file
   Fail: (229) [system] 'E'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x55772f068e50), _544976)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _546834)
   Exit: (231) [system] peek_char((0x55772f068e50), 'E')
   Call: (231) [system] 'E'=(;)
   Fail: (231) [system] 'E'=(;)
   Call: (231) [system] 'E'=(/)
   Fail: (231) [system] 'E'=(/)
^  Call: (231) [user] is_like_space('E')
   Call: (232) [system] char_type('E', 'white')
   Fail: (232) [system] char_type('E', 'white')
   Call: (232) [system] char_type('E', end_of_line)
   Fail: (232) [system] char_type('E', end_of_line)
   Call: (232) [system] char_type('E', space)
   Fail: (232) [system] char_type('E', space)
   Call: (232) [system] char_type('E', cntrl)
   Fail: (232) [system] char_type('E', cntrl)
^  Fail: (231) [user] is_like_space('E')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] get_char((0x55772f068e50), _562844)
   Exit: (230) [system] get_char((0x55772f068e50), 'E')
   Call: (230) [system] 'E'='('
   Fail: (230) [system] 'E'='('
   Call: (230) [system] 'E'='['
   Fail: (230) [system] 'E'='['
   Call: (230) [system] 'E'='{'
   Fail: (230) [system] 'E'='{'
   Call: (230) [system] 'E'='"'
   Fail: (230) [system] 'E'='"'
   Call: (230) [system] 'E'=!
   Fail: (230) [system] 'E'=!
   Call: (230) [system] 'E'='\''
   Fail: (230) [system] 'E'='\''
   Call: (230) [system] 'E'='`'
   Fail: (230) [system] 'E'='`'
   Call: (230) [system] 'E'=end_of_file
   Fail: (230) [system] 'E'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x55772f068e50), 'E', _544976)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _580486)
   Call: (232) [system] peek_char((0x55772f068e50), _581420)
   Exit: (232) [system] peek_char((0x55772f068e50), ')')
^  Call: (232) [user] is_delimiter(')')
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] arg(_586140, v('(', ')', end_of_file), ')')
   Exit: (233) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (232) [user] is_delimiter(')')
   Call: (232) [system] _580486=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (231) [user] classify_and_convert_charseq(['E'], _544976)
^  Call: (232) [user] classify_and_convert_charseq_(['E'], _592576)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_593528, _593530), once(user:catch(read_from_chars(['E'], _592576), _593510, fail)), '$restore_trace'(_593528, _593530))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_593528, _593530))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _592576), _593510, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_592576)
   Fail: (233) [system] atomic(_592576)
   Call: (233) [system] atom_chars(_592576, ['E'])
   Exit: (233) [system] atom_chars('E', ['E'])
^  Exit: (232) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (232) [system] integer('E')
   Fail: (232) [system] integer('E')
   Call: (232) [system] _544976='E'
   Exit: (232) [system] 'E'='E'
^  Exit: (231) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (230) [user] read_symbolic(')', (0x55772f068e50), 'E', 'E')
^  Exit: (229) [user] cont_sexpr(')', (0x55772f068e50), 'E')
^  Call: (229) [user] read_list(')', (0x55772f068e50), _607526)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _609384)
   Exit: (231) [system] peek_char((0x55772f068e50), ')')
   Call: (231) [system] ')'=(;)
   Fail: (231) [system] ')'=(;)
   Call: (231) [system] ')'=(/)
   Fail: (231) [system] ')'=(/)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Fail: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Fail: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
   Fail: (232) [system] char_type(')', cntrl)
^  Fail: (231) [user] is_like_space(')')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _625394)
   Exit: (230) [system] peek_char((0x55772f068e50), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x55772f068e50), _629184)
   Exit: (230) [system] get_char((0x55772f068e50), ')')
   Call: (230) [system] _607526=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x55772f068e50), [])
   Call: (229) [system] _508316=['E']
   Exit: (229) [system] ['E']=['E']
^  Exit: (228) [user] read_list(')', (0x55772f068e50), ['E'])
   Call: (228) [system] _50222=[['OrLink', 'C', 'D'], 'E']
   Exit: (228) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (227) [user] read_list(')', (0x55772f068e50), [['OrLink', 'C', 'D'], 'E'])
   Call: (227) [system] _5990=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (227) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (226) [user] read_list(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (225) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (225) [user] read_list(')', (0x55772f068e50), _643066)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _644924)
   Exit: (227) [system] peek_char((0x55772f068e50), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
   Call: (227) [system] ')'=(/)
   Fail: (227) [system] ')'=(/)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _660934)
   Exit: (226) [system] peek_char((0x55772f068e50), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x55772f068e50), _664724)
   Exit: (226) [system] get_char((0x55772f068e50), ')')
   Call: (226) [system] _643066=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x55772f068e50), [])
   Call: (225) [system] _5986=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (225) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (224) [user] read_list(')', (0x55772f068e50), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (224) [system] _5944=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (224) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (223) [user] read_list(')', (0x55772f068e50), [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (223) [system] _5936=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (223) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (222) [user] read_list(')', (0x55772f068e50), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (221) [user] read_list(')', (0x55772f068e50), _678606)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _680464)
   Exit: (223) [system] peek_char((0x55772f068e50), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
   Call: (223) [system] ')'=(/)
   Fail: (223) [system] ')'=(/)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _696474)
   Exit: (222) [system] peek_char((0x55772f068e50), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x55772f068e50), _700264)
   Exit: (222) [system] get_char((0x55772f068e50), ')')
   Call: (222) [system] _678606=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x55772f068e50), [])
   Call: (221) [system] _5932=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (221) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (220) [user] read_list(')', (0x55772f068e50), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (220) [system] _5890=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (220) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (219) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (219) [system] _5882=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (219) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (218) [user] read_list(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (217) [user] read_list(')', (0x55772f068e50), _714146)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _716004)
   Exit: (219) [system] peek_char((0x55772f068e50), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
   Call: (219) [system] ')'=(/)
   Fail: (219) [system] ')'=(/)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _732014)
   Exit: (218) [system] peek_char((0x55772f068e50), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x55772f068e50), _735804)
   Exit: (218) [system] get_char((0x55772f068e50), ')')
   Call: (218) [system] _714146=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x55772f068e50), [])
   Call: (217) [system] _5878=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (217) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (216) [user] read_list(')', (0x55772f068e50), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (216) [system] _5836=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (216) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (215) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (215) [system] _5828=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (215) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (214) [user] read_list(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (213) [user] cont_sexpr(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Call: (213) [user] read_list(')', (0x55772f068e50), _749686)
^  Call: (214) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _751544)
   Exit: (215) [system] peek_char((0x55772f068e50), '\n')
   Call: (215) [system] '\n'=(;)
   Fail: (215) [system] '\n'=(;)
   Call: (215) [system] '\n'=(/)
   Fail: (215) [system] '\n'=(/)
^  Call: (215) [user] is_like_space('\n')
   Call: (216) [system] char_type('\n', 'white')
   Fail: (216) [system] char_type('\n', 'white')
   Call: (216) [system] char_type('\n', end_of_line)
   Exit: (216) [system] char_type('\n', end_of_line)
^  Exit: (215) [user] is_like_space('\n')
   Call: (215) [system] get_char((0x55772f068e50), _762994)
   Exit: (215) [system] get_char((0x55772f068e50), '\n')
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _765698)
   Exit: (216) [system] peek_char((0x55772f068e50), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x55772f068e50), _775292)
   Exit: (216) [system] get_char((0x55772f068e50), ' ')
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _777996)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
^  Exit: (214) [user] skip_spaces((0x55772f068e50))
   Call: (214) [system] peek_char((0x55772f068e50), _795854)
   Exit: (214) [system] peek_char((0x55772f068e50), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x55772f068e50), _801424)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _803282)
   Exit: (216) [system] peek_char((0x55772f068e50), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] get_char((0x55772f068e50), _819292)
   Exit: (215) [system] get_char((0x55772f068e50), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x55772f068e50), _801424)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _824862)
   Exit: (217) [system] peek_char((0x55772f068e50), :)
   Call: (217) [system] (:)=(;)
   Fail: (217) [system] (:)=(;)
   Call: (217) [system] (:)=(/)
   Fail: (217) [system] (:)=(/)
^  Call: (217) [user] is_like_space(:)
   Call: (218) [system] char_type(:, 'white')
   Fail: (218) [system] char_type(:, 'white')
   Call: (218) [system] char_type(:, end_of_line)
   Fail: (218) [system] char_type(:, end_of_line)
   Call: (218) [system] char_type(:, space)
   Fail: (218) [system] char_type(:, space)
   Call: (218) [system] char_type(:, cntrl)
   Fail: (218) [system] char_type(:, cntrl)
^  Fail: (217) [user] is_like_space(:)
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _840872)
   Exit: (216) [system] peek_char((0x55772f068e50), :)
   Call: (216) [system] (:)=')'
   Fail: (216) [system] (:)=')'
   Call: (216) [system] (:)=end_of_file
   Fail: (216) [system] (:)=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x55772f068e50), _846442)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _848300)
   Exit: (218) [system] peek_char((0x55772f068e50), :)
   Call: (218) [system] (:)=(;)
   Fail: (218) [system] (:)=(;)
   Call: (218) [system] (:)=(/)
   Fail: (218) [system] (:)=(/)
^  Call: (218) [user] is_like_space(:)
   Call: (219) [system] char_type(:, 'white')
   Fail: (219) [system] char_type(:, 'white')
   Call: (219) [system] char_type(:, end_of_line)
   Fail: (219) [system] char_type(:, end_of_line)
   Call: (219) [system] char_type(:, space)
   Fail: (219) [system] char_type(:, space)
   Call: (219) [system] char_type(:, cntrl)
   Fail: (219) [system] char_type(:, cntrl)
^  Fail: (218) [user] is_like_space(:)
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] get_char((0x55772f068e50), _864310)
   Exit: (217) [system] get_char((0x55772f068e50), :)
   Call: (217) [system] (:)='('
   Fail: (217) [system] (:)='('
   Call: (217) [system] (:)='['
   Fail: (217) [system] (:)='['
   Call: (217) [system] (:)='{'
   Fail: (217) [system] (:)='{'
   Call: (217) [system] (:)='"'
   Fail: (217) [system] (:)='"'
   Call: (217) [system] (:)=!
   Fail: (217) [system] (:)=!
   Call: (217) [system] (:)='\''
   Fail: (217) [system] (:)='\''
   Call: (217) [system] (:)='`'
   Fail: (217) [system] (:)='`'
   Call: (217) [system] (:)=end_of_file
   Fail: (217) [system] (:)=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x55772f068e50), :, _846442)
^  Call: (218) [user] read_symbolic_cont(')', (0x55772f068e50), _881952)
   Call: (219) [system] peek_char((0x55772f068e50), _882886)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _881952=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (218) [user] classify_and_convert_charseq([:], _846442)
^  Call: (219) [user] classify_and_convert_charseq_([:], _892170)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_893122, _893124), once(user:catch(read_from_chars([:], _892170), _893104, fail)), '$restore_trace'(_893122, _893124))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_893122, _893124))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _893104, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(:)
   Exit: (220) [system] atomic(:)
^  Exit: (219) [user] classify_and_convert_charseq_([:], :)
   Call: (219) [system] integer(:)
   Fail: (219) [system] integer(:)
   Call: (219) [system] _846442=(:)
   Exit: (219) [system] (:)=(:)
^  Exit: (218) [user] classify_and_convert_charseq([:], :)
^  Exit: (217) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (216) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (216) [user] read_list(')', (0x55772f068e50), _905250)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _907108)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x55772f068e50), _916702)
   Exit: (218) [system] get_char((0x55772f068e50), ' ')
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _919406)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _936340)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _941910)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _943768)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _959778)
   Exit: (218) [system] get_char((0x55772f068e50), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x55772f068e50), _941910)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _965348)
   Exit: (220) [system] peek_char((0x55772f068e50), 'D')
   Call: (220) [system] 'D'=(;)
   Fail: (220) [system] 'D'=(;)
   Call: (220) [system] 'D'=(/)
   Fail: (220) [system] 'D'=(/)
^  Call: (220) [user] is_like_space('D')
   Call: (221) [system] char_type('D', 'white')
   Fail: (221) [system] char_type('D', 'white')
   Call: (221) [system] char_type('D', end_of_line)
   Fail: (221) [system] char_type('D', end_of_line)
   Call: (221) [system] char_type('D', space)
   Fail: (221) [system] char_type('D', space)
   Call: (221) [system] char_type('D', cntrl)
   Fail: (221) [system] char_type('D', cntrl)
^  Fail: (220) [user] is_like_space('D')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _981358)
   Exit: (219) [system] peek_char((0x55772f068e50), 'D')
   Call: (219) [system] 'D'=')'
   Fail: (219) [system] 'D'=')'
   Call: (219) [system] 'D'=end_of_file
   Fail: (219) [system] 'D'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _986928)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _988786)
   Exit: (221) [system] peek_char((0x55772f068e50), 'D')
   Call: (221) [system] 'D'=(;)
   Fail: (221) [system] 'D'=(;)
   Call: (221) [system] 'D'=(/)
   Fail: (221) [system] 'D'=(/)
^  Call: (221) [user] is_like_space('D')
   Call: (222) [system] char_type('D', 'white')
   Fail: (222) [system] char_type('D', 'white')
   Call: (222) [system] char_type('D', end_of_line)
   Fail: (222) [system] char_type('D', end_of_line)
   Call: (222) [system] char_type('D', space)
   Fail: (222) [system] char_type('D', space)
   Call: (222) [system] char_type('D', cntrl)
   Fail: (222) [system] char_type('D', cntrl)
^  Fail: (221) [user] is_like_space('D')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _1004796)
   Exit: (220) [system] get_char((0x55772f068e50), 'D')
   Call: (220) [system] 'D'='('
   Fail: (220) [system] 'D'='('
   Call: (220) [system] 'D'='['
   Fail: (220) [system] 'D'='['
   Call: (220) [system] 'D'='{'
   Fail: (220) [system] 'D'='{'
   Call: (220) [system] 'D'='"'
   Fail: (220) [system] 'D'='"'
   Call: (220) [system] 'D'=!
   Fail: (220) [system] 'D'=!
   Call: (220) [system] 'D'='\''
   Fail: (220) [system] 'D'='\''
   Call: (220) [system] 'D'='`'
   Fail: (220) [system] 'D'='`'
   Call: (220) [system] 'D'=end_of_file
   Fail: (220) [system] 'D'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x55772f068e50), 'D', _986928)
^  Call: (221) [user] read_symbolic_cont(')', (0x55772f068e50), _1022438)
   Call: (222) [system] peek_char((0x55772f068e50), _1023372)
   Exit: (222) [system] peek_char((0x55772f068e50), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1028092, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_1029024, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x55772f068e50), i)
   Exit: (222) [system] get_char((0x55772f068e50), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1036374)
   Call: (223) [system] peek_char((0x55772f068e50), _1037308)
   Exit: (223) [system] peek_char((0x55772f068e50), s)
^  Call: (223) [user] is_delimiter(s)
   Call: (224) [system] char_type(s, space)
   Fail: (224) [system] char_type(s, space)
   Call: (224) [system] arg(_1042028, v('(', ')', end_of_file), s)
   Fail: (224) [system] arg(_1042960, v('(', ')', end_of_file), s)
^  Fail: (223) [user] is_delimiter(s)
   Call: (223) [system] ')'==s
   Fail: (223) [system] ')'==s
   Call: (223) [system] get_char((0x55772f068e50), s)
   Exit: (223) [system] get_char((0x55772f068e50), s)
   Call: (223) [system] s=(\)
   Fail: (223) [system] s=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1050310)
   Call: (224) [system] peek_char((0x55772f068e50), _1051244)
   Exit: (224) [system] peek_char((0x55772f068e50), j)
^  Call: (224) [user] is_delimiter(j)
   Call: (225) [system] char_type(j, space)
   Fail: (225) [system] char_type(j, space)
   Call: (225) [system] arg(_1055964, v('(', ')', end_of_file), j)
   Fail: (225) [system] arg(_1056896, v('(', ')', end_of_file), j)
^  Fail: (224) [user] is_delimiter(j)
   Call: (224) [system] ')'==j
   Fail: (224) [system] ')'==j
   Call: (224) [system] get_char((0x55772f068e50), j)
   Exit: (224) [system] get_char((0x55772f068e50), j)
   Call: (224) [system] j=(\)
   Fail: (224) [system] j=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1064246)
   Call: (225) [system] peek_char((0x55772f068e50), _1065180)
   Exit: (225) [system] peek_char((0x55772f068e50), u)
^  Call: (225) [user] is_delimiter(u)
   Call: (226) [system] char_type(u, space)
   Fail: (226) [system] char_type(u, space)
   Call: (226) [system] arg(_1069900, v('(', ')', end_of_file), u)
   Fail: (226) [system] arg(_1070832, v('(', ')', end_of_file), u)
^  Fail: (225) [user] is_delimiter(u)
   Call: (225) [system] ')'==u
   Fail: (225) [system] ')'==u
   Call: (225) [system] get_char((0x55772f068e50), u)
   Exit: (225) [system] get_char((0x55772f068e50), u)
   Call: (225) [system] u=(\)
   Fail: (225) [system] u=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1078182)
   Call: (226) [system] peek_char((0x55772f068e50), _1079116)
   Exit: (226) [system] peek_char((0x55772f068e50), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1083836, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1084768, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x55772f068e50), n)
   Exit: (226) [system] get_char((0x55772f068e50), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1092118)
   Call: (227) [system] peek_char((0x55772f068e50), _1093052)
   Exit: (227) [system] peek_char((0x55772f068e50), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_1097772, v('(', ')', end_of_file), c)
   Fail: (228) [system] arg(_1098704, v('(', ')', end_of_file), c)
^  Fail: (227) [user] is_delimiter(c)
   Call: (227) [system] ')'==c
   Fail: (227) [system] ')'==c
   Call: (227) [system] get_char((0x55772f068e50), c)
   Exit: (227) [system] get_char((0x55772f068e50), c)
   Call: (227) [system] c=(\)
   Fail: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1106054)
   Call: (228) [system] peek_char((0x55772f068e50), _1106988)
   Exit: (228) [system] peek_char((0x55772f068e50), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_1111708, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_1112640, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x55772f068e50), t)
   Exit: (228) [system] get_char((0x55772f068e50), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1119990)
   Call: (229) [system] peek_char((0x55772f068e50), _1120924)
   Exit: (229) [system] peek_char((0x55772f068e50), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1125644, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1126576, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x55772f068e50), i)
   Exit: (229) [system] get_char((0x55772f068e50), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1133926)
   Call: (230) [system] peek_char((0x55772f068e50), _1134860)
   Exit: (230) [system] peek_char((0x55772f068e50), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_1139580, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_1140512, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x55772f068e50), o)
   Exit: (230) [system] get_char((0x55772f068e50), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1147862)
   Call: (231) [system] peek_char((0x55772f068e50), _1148796)
   Exit: (231) [system] peek_char((0x55772f068e50), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1153516, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1154448, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x55772f068e50), n)
   Exit: (231) [system] get_char((0x55772f068e50), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1161798)
   Call: (232) [system] peek_char((0x55772f068e50), _1162732)
   Exit: (232) [system] peek_char((0x55772f068e50), 'I')
^  Call: (232) [user] is_delimiter('I')
   Call: (233) [system] char_type('I', space)
   Fail: (233) [system] char_type('I', space)
   Call: (233) [system] arg(_1167452, v('(', ')', end_of_file), 'I')
   Fail: (233) [system] arg(_1168384, v('(', ')', end_of_file), 'I')
^  Fail: (232) [user] is_delimiter('I')
   Call: (232) [system] ')'=='I'
   Fail: (232) [system] ')'=='I'
   Call: (232) [system] get_char((0x55772f068e50), 'I')
   Exit: (232) [system] get_char((0x55772f068e50), 'I')
   Call: (232) [system] 'I'=(\)
   Fail: (232) [system] 'I'=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1175734)
   Call: (233) [system] peek_char((0x55772f068e50), _1176668)
   Exit: (233) [system] peek_char((0x55772f068e50), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1181388, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_1182320, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x55772f068e50), n)
   Exit: (233) [system] get_char((0x55772f068e50), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1189670)
   Call: (234) [system] peek_char((0x55772f068e50), _1190604)
   Exit: (234) [system] peek_char((0x55772f068e50), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Fail: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_1195324, v('(', ')', end_of_file), t)
   Fail: (235) [system] arg(_1196256, v('(', ')', end_of_file), t)
^  Fail: (234) [user] is_delimiter(t)
   Call: (234) [system] ')'==t
   Fail: (234) [system] ')'==t
   Call: (234) [system] get_char((0x55772f068e50), t)
   Exit: (234) [system] get_char((0x55772f068e50), t)
   Call: (234) [system] t=(\)
   Fail: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1203606)
   Call: (235) [system] peek_char((0x55772f068e50), _1204540)
   Exit: (235) [system] peek_char((0x55772f068e50), r)
^  Call: (235) [user] is_delimiter(r)
   Call: (236) [system] char_type(r, space)
   Fail: (236) [system] char_type(r, space)
   Call: (236) [system] arg(_1209260, v('(', ')', end_of_file), r)
   Fail: (236) [system] arg(_1210192, v('(', ')', end_of_file), r)
^  Fail: (235) [user] is_delimiter(r)
   Call: (235) [system] ')'==r
   Fail: (235) [system] ')'==r
   Call: (235) [system] get_char((0x55772f068e50), r)
   Exit: (235) [system] get_char((0x55772f068e50), r)
   Call: (235) [system] r=(\)
   Fail: (235) [system] r=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1217542)
   Call: (236) [system] peek_char((0x55772f068e50), _1218476)
   Exit: (236) [system] peek_char((0x55772f068e50), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Fail: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_1223196, v('(', ')', end_of_file), o)
   Fail: (237) [system] arg(_1224128, v('(', ')', end_of_file), o)
^  Fail: (236) [user] is_delimiter(o)
   Call: (236) [system] ')'==o
   Fail: (236) [system] ')'==o
   Call: (236) [system] get_char((0x55772f068e50), o)
   Exit: (236) [system] get_char((0x55772f068e50), o)
   Call: (236) [system] o=(\)
   Fail: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1231478)
   Call: (237) [system] peek_char((0x55772f068e50), _1232412)
   Exit: (237) [system] peek_char((0x55772f068e50), d)
^  Call: (237) [user] is_delimiter(d)
   Call: (238) [system] char_type(d, space)
   Fail: (238) [system] char_type(d, space)
   Call: (238) [system] arg(_1237132, v('(', ')', end_of_file), d)
   Fail: (238) [system] arg(_1238064, v('(', ')', end_of_file), d)
^  Fail: (237) [user] is_delimiter(d)
   Call: (237) [system] ')'==d
   Fail: (237) [system] ')'==d
   Call: (237) [system] get_char((0x55772f068e50), d)
   Exit: (237) [system] get_char((0x55772f068e50), d)
   Call: (237) [system] d=(\)
   Fail: (237) [system] d=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _1245414)
   Call: (238) [system] peek_char((0x55772f068e50), _1246348)
   Exit: (238) [system] peek_char((0x55772f068e50), u)
^  Call: (238) [user] is_delimiter(u)
   Call: (239) [system] char_type(u, space)
   Fail: (239) [system] char_type(u, space)
   Call: (239) [system] arg(_1251068, v('(', ')', end_of_file), u)
   Fail: (239) [system] arg(_1252000, v('(', ')', end_of_file), u)
^  Fail: (238) [user] is_delimiter(u)
   Call: (238) [system] ')'==u
   Fail: (238) [system] ')'==u
   Call: (238) [system] get_char((0x55772f068e50), u)
   Exit: (238) [system] get_char((0x55772f068e50), u)
   Call: (238) [system] u=(\)
   Fail: (238) [system] u=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _1259350)
   Call: (239) [system] peek_char((0x55772f068e50), _1260284)
   Exit: (239) [system] peek_char((0x55772f068e50), c)
^  Call: (239) [user] is_delimiter(c)
   Call: (240) [system] char_type(c, space)
   Fail: (240) [system] char_type(c, space)
   Call: (240) [system] arg(_1265004, v('(', ')', end_of_file), c)
   Fail: (240) [system] arg(_1265936, v('(', ')', end_of_file), c)
^  Fail: (239) [user] is_delimiter(c)
   Call: (239) [system] ')'==c
   Fail: (239) [system] ')'==c
   Call: (239) [system] get_char((0x55772f068e50), c)
   Exit: (239) [system] get_char((0x55772f068e50), c)
   Call: (239) [system] c=(\)
   Fail: (239) [system] c=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _1273286)
   Call: (240) [system] peek_char((0x55772f068e50), _1274220)
   Exit: (240) [system] peek_char((0x55772f068e50), t)
^  Call: (240) [user] is_delimiter(t)
   Call: (241) [system] char_type(t, space)
   Fail: (241) [system] char_type(t, space)
   Call: (241) [system] arg(_1278940, v('(', ')', end_of_file), t)
   Fail: (241) [system] arg(_1279872, v('(', ')', end_of_file), t)
^  Fail: (240) [user] is_delimiter(t)
   Call: (240) [system] ')'==t
   Fail: (240) [system] ')'==t
   Call: (240) [system] get_char((0x55772f068e50), t)
   Exit: (240) [system] get_char((0x55772f068e50), t)
   Call: (240) [system] t=(\)
   Fail: (240) [system] t=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _1287222)
   Call: (241) [system] peek_char((0x55772f068e50), _1288156)
   Exit: (241) [system] peek_char((0x55772f068e50), i)
^  Call: (241) [user] is_delimiter(i)
   Call: (242) [system] char_type(i, space)
   Fail: (242) [system] char_type(i, space)
   Call: (242) [system] arg(_1292876, v('(', ')', end_of_file), i)
   Fail: (242) [system] arg(_1293808, v('(', ')', end_of_file), i)
^  Fail: (241) [user] is_delimiter(i)
   Call: (241) [system] ')'==i
   Fail: (241) [system] ')'==i
   Call: (241) [system] get_char((0x55772f068e50), i)
   Exit: (241) [system] get_char((0x55772f068e50), i)
   Call: (241) [system] i=(\)
   Fail: (241) [system] i=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x55772f068e50), _1301158)
   Call: (242) [system] peek_char((0x55772f068e50), _1302092)
   Exit: (242) [system] peek_char((0x55772f068e50), o)
^  Call: (242) [user] is_delimiter(o)
   Call: (243) [system] char_type(o, space)
   Fail: (243) [system] char_type(o, space)
   Call: (243) [system] arg(_1306812, v('(', ')', end_of_file), o)
   Fail: (243) [system] arg(_1307744, v('(', ')', end_of_file), o)
^  Fail: (242) [user] is_delimiter(o)
   Call: (242) [system] ')'==o
   Fail: (242) [system] ')'==o
   Call: (242) [system] get_char((0x55772f068e50), o)
   Exit: (242) [system] get_char((0x55772f068e50), o)
   Call: (242) [system] o=(\)
   Fail: (242) [system] o=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x55772f068e50), _1315094)
   Call: (243) [system] peek_char((0x55772f068e50), _1316028)
   Exit: (243) [system] peek_char((0x55772f068e50), n)
^  Call: (243) [user] is_delimiter(n)
   Call: (244) [system] char_type(n, space)
   Fail: (244) [system] char_type(n, space)
   Call: (244) [system] arg(_1320748, v('(', ')', end_of_file), n)
   Fail: (244) [system] arg(_1321680, v('(', ')', end_of_file), n)
^  Fail: (243) [user] is_delimiter(n)
   Call: (243) [system] ')'==n
   Fail: (243) [system] ')'==n
   Call: (243) [system] get_char((0x55772f068e50), n)
   Exit: (243) [system] get_char((0x55772f068e50), n)
   Call: (243) [system] n=(\)
   Fail: (243) [system] n=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x55772f068e50), _1329030)
   Call: (244) [system] peek_char((0x55772f068e50), _1329964)
   Exit: (244) [system] peek_char((0x55772f068e50), ' ')
^  Call: (244) [user] is_delimiter(' ')
   Call: (245) [system] char_type(' ', space)
   Exit: (245) [system] char_type(' ', space)
^  Exit: (244) [user] is_delimiter(' ')
   Call: (244) [system] _1329030=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (243) [system] _1315094=[n]
   Exit: (243) [system] [n]=[n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (242) [system] _1301158=[o, n]
   Exit: (242) [system] [o, n]=[o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (241) [system] _1287222=[i, o, n]
   Exit: (241) [system] [i, o, n]=[i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (240) [system] _1273286=[t, i, o, n]
   Exit: (240) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (239) [system] _1259350=[c, t, i, o, n]
   Exit: (239) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (238) [system] _1245414=[u, c, t, i, o, n]
   Exit: (238) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (237) [system] _1231478=[d, u, c, t, i, o, n]
   Exit: (237) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (236) [system] _1217542=[o, d, u, c, t, i, o, n]
   Exit: (236) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (235) [system] _1203606=[r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1189670=[t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1175734=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1161798=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1147862=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1133926=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1119990=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1106054=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1092118=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1078182=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1064246=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1050310=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1036374=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1022438=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (221) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _986928)
^  Call: (222) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1400716)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1401668, _1401670), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1400716), _1401650, fail)), '$restore_trace'(_1401668, _1401670))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1401668, _1401670))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1400716), _1401650, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1400716)
   Fail: (223) [system] atomic(_1400716)
   Call: (223) [system] atom_chars(_1400716, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (223) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (222) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (222) [system] integer('DisjunctionIntroduction')
   Fail: (222) [system] integer('DisjunctionIntroduction')
   Call: (222) [system] _986928='DisjunctionIntroduction'
   Exit: (222) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (221) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (220) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (219) [user] read_list(')', (0x55772f068e50), _1415666)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1417524)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x55772f068e50), _1427118)
   Exit: (221) [system] get_char((0x55772f068e50), ' ')
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1429822)
   Exit: (222) [system] peek_char((0x55772f068e50), a)
   Call: (222) [system] a=(;)
   Fail: (222) [system] a=(;)
   Call: (222) [system] a=(/)
   Fail: (222) [system] a=(/)
^  Call: (222) [user] is_like_space(a)
   Call: (223) [system] char_type(a, 'white')
   Fail: (223) [system] char_type(a, 'white')
   Call: (223) [system] char_type(a, end_of_line)
   Fail: (223) [system] char_type(a, end_of_line)
   Call: (223) [system] char_type(a, space)
   Fail: (223) [system] char_type(a, space)
   Call: (223) [system] char_type(a, cntrl)
   Fail: (223) [system] char_type(a, cntrl)
^  Fail: (222) [user] is_like_space(a)
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _1446756)
   Exit: (220) [system] peek_char((0x55772f068e50), a)
   Call: (220) [system] a=')'
   Fail: (220) [system] a=')'
   Call: (220) [system] a=end_of_file
   Fail: (220) [system] a=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _1452326)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1454184)
   Exit: (222) [system] peek_char((0x55772f068e50), a)
   Call: (222) [system] a=(;)
   Fail: (222) [system] a=(;)
   Call: (222) [system] a=(/)
   Fail: (222) [system] a=(/)
^  Call: (222) [user] is_like_space(a)
   Call: (223) [system] char_type(a, 'white')
   Fail: (223) [system] char_type(a, 'white')
   Call: (223) [system] char_type(a, end_of_line)
   Fail: (223) [system] char_type(a, end_of_line)
   Call: (223) [system] char_type(a, space)
   Fail: (223) [system] char_type(a, space)
   Call: (223) [system] char_type(a, cntrl)
   Fail: (223) [system] char_type(a, cntrl)
^  Fail: (222) [user] is_like_space(a)
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _1470194)
   Exit: (221) [system] get_char((0x55772f068e50), a)
   Call: (221) [system] a='('
   Fail: (221) [system] a='('
   Call: (221) [system] a='['
   Fail: (221) [system] a='['
   Call: (221) [system] a='{'
   Fail: (221) [system] a='{'
   Call: (221) [system] a='"'
   Fail: (221) [system] a='"'
   Call: (221) [system] a=!
   Fail: (221) [system] a=!
   Call: (221) [system] a='\''
   Fail: (221) [system] a='\''
   Call: (221) [system] a='`'
   Fail: (221) [system] a='`'
   Call: (221) [system] a=end_of_file
   Fail: (221) [system] a=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x55772f068e50), a, _1452326)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _1487836)
   Call: (223) [system] peek_char((0x55772f068e50), _1488770)
   Exit: (223) [system] peek_char((0x55772f068e50), b)
^  Call: (223) [user] is_delimiter(b)
   Call: (224) [system] char_type(b, space)
   Fail: (224) [system] char_type(b, space)
   Call: (224) [system] arg(_1493490, v('(', ')', end_of_file), b)
   Fail: (224) [system] arg(_1494422, v('(', ')', end_of_file), b)
^  Fail: (223) [user] is_delimiter(b)
   Call: (223) [system] ')'==b
   Fail: (223) [system] ')'==b
   Call: (223) [system] get_char((0x55772f068e50), b)
   Exit: (223) [system] get_char((0x55772f068e50), b)
   Call: (223) [system] b=(\)
   Fail: (223) [system] b=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1501772)
   Call: (224) [system] peek_char((0x55772f068e50), _1502706)
   Exit: (224) [system] peek_char((0x55772f068e50), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_1507426, v('(', ')', end_of_file), c)
   Fail: (225) [system] arg(_1508358, v('(', ')', end_of_file), c)
^  Fail: (224) [user] is_delimiter(c)
   Call: (224) [system] ')'==c
   Fail: (224) [system] ')'==c
   Call: (224) [system] get_char((0x55772f068e50), c)
   Exit: (224) [system] get_char((0x55772f068e50), c)
   Call: (224) [system] c=(\)
   Fail: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1515708)
   Call: (225) [system] peek_char((0x55772f068e50), _1516642)
   Exit: (225) [system] peek_char((0x55772f068e50), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _1515708=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (224) [system] _1501772=[c]
   Exit: (224) [system] [c]=[c]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (223) [system] _1487836=[b, c]
   Exit: (223) [system] [b, c]=[b, c]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (222) [user] classify_and_convert_charseq([a, b, c], _1452326)
^  Call: (223) [user] classify_and_convert_charseq_([a, b, c], _1531514)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1532466, _1532468), once(user:catch(read_from_chars([a, b, c], _1531514), _1532448, fail)), '$restore_trace'(_1532466, _1532468))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1532466, _1532468))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1532448, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(abc)
   Exit: (224) [system] atomic(abc)
^  Exit: (223) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (223) [system] integer(abc)
   Fail: (223) [system] integer(abc)
   Call: (223) [system] _1452326=abc
   Exit: (223) [system] abc=abc
^  Exit: (222) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (221) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (220) [user] read_list(')', (0x55772f068e50), _1544594)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1546452)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x55772f068e50), _1556046)
   Exit: (222) [system] get_char((0x55772f068e50), ' ')
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1558750)
   Exit: (223) [system] peek_char((0x55772f068e50), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1575684)
   Exit: (221) [system] peek_char((0x55772f068e50), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _1581254)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1583112)
   Exit: (223) [system] peek_char((0x55772f068e50), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _1599122)
   Exit: (222) [system] get_char((0x55772f068e50), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x55772f068e50), _1581254)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1604692)
   Exit: (224) [system] peek_char((0x55772f068e50), 'D')
   Call: (224) [system] 'D'=(;)
   Fail: (224) [system] 'D'=(;)
   Call: (224) [system] 'D'=(/)
   Fail: (224) [system] 'D'=(/)
^  Call: (224) [user] is_like_space('D')
   Call: (225) [system] char_type('D', 'white')
   Fail: (225) [system] char_type('D', 'white')
   Call: (225) [system] char_type('D', end_of_line)
   Fail: (225) [system] char_type('D', end_of_line)
   Call: (225) [system] char_type('D', space)
   Fail: (225) [system] char_type('D', space)
   Call: (225) [system] char_type('D', cntrl)
   Fail: (225) [system] char_type('D', cntrl)
^  Fail: (224) [user] is_like_space('D')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1620702)
   Exit: (223) [system] peek_char((0x55772f068e50), 'D')
   Call: (223) [system] 'D'=')'
   Fail: (223) [system] 'D'=')'
   Call: (223) [system] 'D'=end_of_file
   Fail: (223) [system] 'D'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x55772f068e50), _1626272)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1628130)
   Exit: (225) [system] peek_char((0x55772f068e50), 'D')
   Call: (225) [system] 'D'=(;)
   Fail: (225) [system] 'D'=(;)
   Call: (225) [system] 'D'=(/)
   Fail: (225) [system] 'D'=(/)
^  Call: (225) [user] is_like_space('D')
   Call: (226) [system] char_type('D', 'white')
   Fail: (226) [system] char_type('D', 'white')
   Call: (226) [system] char_type('D', end_of_line)
   Fail: (226) [system] char_type('D', end_of_line)
   Call: (226) [system] char_type('D', space)
   Fail: (226) [system] char_type('D', space)
   Call: (226) [system] char_type('D', cntrl)
   Fail: (226) [system] char_type('D', cntrl)
^  Fail: (225) [user] is_like_space('D')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] get_char((0x55772f068e50), _1644140)
   Exit: (224) [system] get_char((0x55772f068e50), 'D')
   Call: (224) [system] 'D'='('
   Fail: (224) [system] 'D'='('
   Call: (224) [system] 'D'='['
   Fail: (224) [system] 'D'='['
   Call: (224) [system] 'D'='{'
   Fail: (224) [system] 'D'='{'
   Call: (224) [system] 'D'='"'
   Fail: (224) [system] 'D'='"'
   Call: (224) [system] 'D'=!
   Fail: (224) [system] 'D'=!
   Call: (224) [system] 'D'='\''
   Fail: (224) [system] 'D'='\''
   Call: (224) [system] 'D'='`'
   Fail: (224) [system] 'D'='`'
   Call: (224) [system] 'D'=end_of_file
   Fail: (224) [system] 'D'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x55772f068e50), 'D', _1626272)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1661782)
   Call: (226) [system] peek_char((0x55772f068e50), _1662716)
   Exit: (226) [system] peek_char((0x55772f068e50), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_1667436, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_1668368, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x55772f068e50), i)
   Exit: (226) [system] get_char((0x55772f068e50), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1675718)
   Call: (227) [system] peek_char((0x55772f068e50), _1676652)
   Exit: (227) [system] peek_char((0x55772f068e50), s)
^  Call: (227) [user] is_delimiter(s)
   Call: (228) [system] char_type(s, space)
   Fail: (228) [system] char_type(s, space)
   Call: (228) [system] arg(_1681372, v('(', ')', end_of_file), s)
   Fail: (228) [system] arg(_1682304, v('(', ')', end_of_file), s)
^  Fail: (227) [user] is_delimiter(s)
   Call: (227) [system] ')'==s
   Fail: (227) [system] ')'==s
   Call: (227) [system] get_char((0x55772f068e50), s)
   Exit: (227) [system] get_char((0x55772f068e50), s)
   Call: (227) [system] s=(\)
   Fail: (227) [system] s=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1689654)
   Call: (228) [system] peek_char((0x55772f068e50), _1690588)
   Exit: (228) [system] peek_char((0x55772f068e50), j)
^  Call: (228) [user] is_delimiter(j)
   Call: (229) [system] char_type(j, space)
   Fail: (229) [system] char_type(j, space)
   Call: (229) [system] arg(_1695308, v('(', ')', end_of_file), j)
   Fail: (229) [system] arg(_1696240, v('(', ')', end_of_file), j)
^  Fail: (228) [user] is_delimiter(j)
   Call: (228) [system] ')'==j
   Fail: (228) [system] ')'==j
   Call: (228) [system] get_char((0x55772f068e50), j)
   Exit: (228) [system] get_char((0x55772f068e50), j)
   Call: (228) [system] j=(\)
   Fail: (228) [system] j=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1703590)
   Call: (229) [system] peek_char((0x55772f068e50), _1704524)
   Exit: (229) [system] peek_char((0x55772f068e50), u)
^  Call: (229) [user] is_delimiter(u)
   Call: (230) [system] char_type(u, space)
   Fail: (230) [system] char_type(u, space)
   Call: (230) [system] arg(_1709244, v('(', ')', end_of_file), u)
   Fail: (230) [system] arg(_1710176, v('(', ')', end_of_file), u)
^  Fail: (229) [user] is_delimiter(u)
   Call: (229) [system] ')'==u
   Fail: (229) [system] ')'==u
   Call: (229) [system] get_char((0x55772f068e50), u)
   Exit: (229) [system] get_char((0x55772f068e50), u)
   Call: (229) [system] u=(\)
   Fail: (229) [system] u=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1717526)
   Call: (230) [system] peek_char((0x55772f068e50), _1718460)
   Exit: (230) [system] peek_char((0x55772f068e50), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1723180, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1724112, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x55772f068e50), n)
   Exit: (230) [system] get_char((0x55772f068e50), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1731462)
   Call: (231) [system] peek_char((0x55772f068e50), _1732396)
   Exit: (231) [system] peek_char((0x55772f068e50), c)
^  Call: (231) [user] is_delimiter(c)
   Call: (232) [system] char_type(c, space)
   Fail: (232) [system] char_type(c, space)
   Call: (232) [system] arg(_1737116, v('(', ')', end_of_file), c)
   Fail: (232) [system] arg(_1738048, v('(', ')', end_of_file), c)
^  Fail: (231) [user] is_delimiter(c)
   Call: (231) [system] ')'==c
   Fail: (231) [system] ')'==c
   Call: (231) [system] get_char((0x55772f068e50), c)
   Exit: (231) [system] get_char((0x55772f068e50), c)
   Call: (231) [system] c=(\)
   Fail: (231) [system] c=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1745398)
   Call: (232) [system] peek_char((0x55772f068e50), _1746332)
   Exit: (232) [system] peek_char((0x55772f068e50), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_1751052, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_1751984, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x55772f068e50), t)
   Exit: (232) [system] get_char((0x55772f068e50), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1759334)
   Call: (233) [system] peek_char((0x55772f068e50), _1760268)
   Exit: (233) [system] peek_char((0x55772f068e50), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_1764988, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_1765920, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x55772f068e50), i)
   Exit: (233) [system] get_char((0x55772f068e50), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1773270)
   Call: (234) [system] peek_char((0x55772f068e50), _1774204)
   Exit: (234) [system] peek_char((0x55772f068e50), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_1778924, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_1779856, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x55772f068e50), o)
   Exit: (234) [system] get_char((0x55772f068e50), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1787206)
   Call: (235) [system] peek_char((0x55772f068e50), _1788140)
   Exit: (235) [system] peek_char((0x55772f068e50), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_1792860, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_1793792, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x55772f068e50), n)
   Exit: (235) [system] get_char((0x55772f068e50), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1801142)
   Call: (236) [system] peek_char((0x55772f068e50), _1802076)
   Exit: (236) [system] peek_char((0x55772f068e50), 'I')
^  Call: (236) [user] is_delimiter('I')
   Call: (237) [system] char_type('I', space)
   Fail: (237) [system] char_type('I', space)
   Call: (237) [system] arg(_1806796, v('(', ')', end_of_file), 'I')
   Fail: (237) [system] arg(_1807728, v('(', ')', end_of_file), 'I')
^  Fail: (236) [user] is_delimiter('I')
   Call: (236) [system] ')'=='I'
   Fail: (236) [system] ')'=='I'
   Call: (236) [system] get_char((0x55772f068e50), 'I')
   Exit: (236) [system] get_char((0x55772f068e50), 'I')
   Call: (236) [system] 'I'=(\)
   Fail: (236) [system] 'I'=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1815078)
   Call: (237) [system] peek_char((0x55772f068e50), _1816012)
   Exit: (237) [system] peek_char((0x55772f068e50), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_1820732, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_1821664, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x55772f068e50), n)
   Exit: (237) [system] get_char((0x55772f068e50), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _1829014)
   Call: (238) [system] peek_char((0x55772f068e50), _1829948)
   Exit: (238) [system] peek_char((0x55772f068e50), t)
^  Call: (238) [user] is_delimiter(t)
   Call: (239) [system] char_type(t, space)
   Fail: (239) [system] char_type(t, space)
   Call: (239) [system] arg(_1834668, v('(', ')', end_of_file), t)
   Fail: (239) [system] arg(_1835600, v('(', ')', end_of_file), t)
^  Fail: (238) [user] is_delimiter(t)
   Call: (238) [system] ')'==t
   Fail: (238) [system] ')'==t
   Call: (238) [system] get_char((0x55772f068e50), t)
   Exit: (238) [system] get_char((0x55772f068e50), t)
   Call: (238) [system] t=(\)
   Fail: (238) [system] t=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _1842950)
   Call: (239) [system] peek_char((0x55772f068e50), _1843884)
   Exit: (239) [system] peek_char((0x55772f068e50), r)
^  Call: (239) [user] is_delimiter(r)
   Call: (240) [system] char_type(r, space)
   Fail: (240) [system] char_type(r, space)
   Call: (240) [system] arg(_1848604, v('(', ')', end_of_file), r)
   Fail: (240) [system] arg(_1849536, v('(', ')', end_of_file), r)
^  Fail: (239) [user] is_delimiter(r)
   Call: (239) [system] ')'==r
   Fail: (239) [system] ')'==r
   Call: (239) [system] get_char((0x55772f068e50), r)
   Exit: (239) [system] get_char((0x55772f068e50), r)
   Call: (239) [system] r=(\)
   Fail: (239) [system] r=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _1856886)
   Call: (240) [system] peek_char((0x55772f068e50), _1857820)
   Exit: (240) [system] peek_char((0x55772f068e50), o)
^  Call: (240) [user] is_delimiter(o)
   Call: (241) [system] char_type(o, space)
   Fail: (241) [system] char_type(o, space)
   Call: (241) [system] arg(_1862540, v('(', ')', end_of_file), o)
   Fail: (241) [system] arg(_1863472, v('(', ')', end_of_file), o)
^  Fail: (240) [user] is_delimiter(o)
   Call: (240) [system] ')'==o
   Fail: (240) [system] ')'==o
   Call: (240) [system] get_char((0x55772f068e50), o)
   Exit: (240) [system] get_char((0x55772f068e50), o)
   Call: (240) [system] o=(\)
   Fail: (240) [system] o=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _1870822)
   Call: (241) [system] peek_char((0x55772f068e50), _1871756)
   Exit: (241) [system] peek_char((0x55772f068e50), d)
^  Call: (241) [user] is_delimiter(d)
   Call: (242) [system] char_type(d, space)
   Fail: (242) [system] char_type(d, space)
   Call: (242) [system] arg(_1876476, v('(', ')', end_of_file), d)
   Fail: (242) [system] arg(_1877408, v('(', ')', end_of_file), d)
^  Fail: (241) [user] is_delimiter(d)
   Call: (241) [system] ')'==d
   Fail: (241) [system] ')'==d
   Call: (241) [system] get_char((0x55772f068e50), d)
   Exit: (241) [system] get_char((0x55772f068e50), d)
   Call: (241) [system] d=(\)
   Fail: (241) [system] d=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x55772f068e50), _1884758)
   Call: (242) [system] peek_char((0x55772f068e50), _1885692)
   Exit: (242) [system] peek_char((0x55772f068e50), u)
^  Call: (242) [user] is_delimiter(u)
   Call: (243) [system] char_type(u, space)
   Fail: (243) [system] char_type(u, space)
   Call: (243) [system] arg(_1890412, v('(', ')', end_of_file), u)
   Fail: (243) [system] arg(_1891344, v('(', ')', end_of_file), u)
^  Fail: (242) [user] is_delimiter(u)
   Call: (242) [system] ')'==u
   Fail: (242) [system] ')'==u
   Call: (242) [system] get_char((0x55772f068e50), u)
   Exit: (242) [system] get_char((0x55772f068e50), u)
   Call: (242) [system] u=(\)
   Fail: (242) [system] u=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x55772f068e50), _1898694)
   Call: (243) [system] peek_char((0x55772f068e50), _1899628)
   Exit: (243) [system] peek_char((0x55772f068e50), c)
^  Call: (243) [user] is_delimiter(c)
   Call: (244) [system] char_type(c, space)
   Fail: (244) [system] char_type(c, space)
   Call: (244) [system] arg(_1904348, v('(', ')', end_of_file), c)
   Fail: (244) [system] arg(_1905280, v('(', ')', end_of_file), c)
^  Fail: (243) [user] is_delimiter(c)
   Call: (243) [system] ')'==c
   Fail: (243) [system] ')'==c
   Call: (243) [system] get_char((0x55772f068e50), c)
   Exit: (243) [system] get_char((0x55772f068e50), c)
   Call: (243) [system] c=(\)
   Fail: (243) [system] c=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x55772f068e50), _1912630)
   Call: (244) [system] peek_char((0x55772f068e50), _1913564)
   Exit: (244) [system] peek_char((0x55772f068e50), t)
^  Call: (244) [user] is_delimiter(t)
   Call: (245) [system] char_type(t, space)
   Fail: (245) [system] char_type(t, space)
   Call: (245) [system] arg(_1918284, v('(', ')', end_of_file), t)
   Fail: (245) [system] arg(_1919216, v('(', ')', end_of_file), t)
^  Fail: (244) [user] is_delimiter(t)
   Call: (244) [system] ')'==t
   Fail: (244) [system] ')'==t
   Call: (244) [system] get_char((0x55772f068e50), t)
   Exit: (244) [system] get_char((0x55772f068e50), t)
   Call: (244) [system] t=(\)
   Fail: (244) [system] t=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x55772f068e50), _1926566)
   Call: (245) [system] peek_char((0x55772f068e50), _1927500)
   Exit: (245) [system] peek_char((0x55772f068e50), i)
^  Call: (245) [user] is_delimiter(i)
   Call: (246) [system] char_type(i, space)
   Fail: (246) [system] char_type(i, space)
   Call: (246) [system] arg(_1932220, v('(', ')', end_of_file), i)
   Fail: (246) [system] arg(_1933152, v('(', ')', end_of_file), i)
^  Fail: (245) [user] is_delimiter(i)
   Call: (245) [system] ')'==i
   Fail: (245) [system] ')'==i
   Call: (245) [system] get_char((0x55772f068e50), i)
   Exit: (245) [system] get_char((0x55772f068e50), i)
   Call: (245) [system] i=(\)
   Fail: (245) [system] i=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x55772f068e50), _1940502)
   Call: (246) [system] peek_char((0x55772f068e50), _1941436)
   Exit: (246) [system] peek_char((0x55772f068e50), o)
^  Call: (246) [user] is_delimiter(o)
   Call: (247) [system] char_type(o, space)
   Fail: (247) [system] char_type(o, space)
   Call: (247) [system] arg(_1946156, v('(', ')', end_of_file), o)
   Fail: (247) [system] arg(_1947088, v('(', ')', end_of_file), o)
^  Fail: (246) [user] is_delimiter(o)
   Call: (246) [system] ')'==o
   Fail: (246) [system] ')'==o
   Call: (246) [system] get_char((0x55772f068e50), o)
   Exit: (246) [system] get_char((0x55772f068e50), o)
   Call: (246) [system] o=(\)
   Fail: (246) [system] o=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x55772f068e50), _1954438)
   Call: (247) [system] peek_char((0x55772f068e50), _1955372)
   Exit: (247) [system] peek_char((0x55772f068e50), n)
^  Call: (247) [user] is_delimiter(n)
   Call: (248) [system] char_type(n, space)
   Fail: (248) [system] char_type(n, space)
   Call: (248) [system] arg(_1960092, v('(', ')', end_of_file), n)
   Fail: (248) [system] arg(_1961024, v('(', ')', end_of_file), n)
^  Fail: (247) [user] is_delimiter(n)
   Call: (247) [system] ')'==n
   Fail: (247) [system] ')'==n
   Call: (247) [system] get_char((0x55772f068e50), n)
   Exit: (247) [system] get_char((0x55772f068e50), n)
   Call: (247) [system] n=(\)
   Fail: (247) [system] n=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x55772f068e50), _1968374)
   Call: (248) [system] peek_char((0x55772f068e50), _1969308)
   Exit: (248) [system] peek_char((0x55772f068e50), ' ')
^  Call: (248) [user] is_delimiter(' ')
   Call: (249) [system] char_type(' ', space)
   Exit: (249) [system] char_type(' ', space)
^  Exit: (248) [user] is_delimiter(' ')
   Call: (248) [system] _1968374=[]
   Exit: (248) [system] []=[]
^  Exit: (247) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (247) [system] _1954438=[n]
   Exit: (247) [system] [n]=[n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (246) [system] _1940502=[o, n]
   Exit: (246) [system] [o, n]=[o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (245) [system] _1926566=[i, o, n]
   Exit: (245) [system] [i, o, n]=[i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (244) [system] _1912630=[t, i, o, n]
   Exit: (244) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (243) [system] _1898694=[c, t, i, o, n]
   Exit: (243) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (242) [system] _1884758=[u, c, t, i, o, n]
   Exit: (242) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (241) [system] _1870822=[d, u, c, t, i, o, n]
   Exit: (241) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (240) [system] _1856886=[o, d, u, c, t, i, o, n]
   Exit: (240) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (239) [system] _1842950=[r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _1829014=[t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _1815078=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1801142=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1787206=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1773270=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1759334=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1745398=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1731462=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1717526=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1703590=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1689654=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1675718=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1661782=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (225) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1626272)
^  Call: (226) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _2040060)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_2041012, _2041014), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _2040060), _2040994, fail)), '$restore_trace'(_2041012, _2041014))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_2041012, _2041014))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _2040060), _2040994, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_2040060)
   Fail: (227) [system] atomic(_2040060)
   Call: (227) [system] atom_chars(_2040060, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (227) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (226) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (226) [system] integer('DisjunctionIntroduction')
   Fail: (226) [system] integer('DisjunctionIntroduction')
   Call: (226) [system] _1626272='DisjunctionIntroduction'
   Exit: (226) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (225) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (224) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (223) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (223) [user] read_list(')', (0x55772f068e50), _2055010)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _2056868)
   Exit: (225) [system] peek_char((0x55772f068e50), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x55772f068e50), _2066462)
   Exit: (225) [system] get_char((0x55772f068e50), ' ')
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _2069166)
   Exit: (226) [system] peek_char((0x55772f068e50), c)
   Call: (226) [system] c=(;)
   Fail: (226) [system] c=(;)
   Call: (226) [system] c=(/)
   Fail: (226) [system] c=(/)
^  Call: (226) [user] is_like_space(c)
   Call: (227) [system] char_type(c, 'white')
   Fail: (227) [system] char_type(c, 'white')
   Call: (227) [system] char_type(c, end_of_line)
   Fail: (227) [system] char_type(c, end_of_line)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] char_type(c, cntrl)
   Fail: (227) [system] char_type(c, cntrl)
^  Fail: (226) [user] is_like_space(c)
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _2086100)
   Exit: (224) [system] peek_char((0x55772f068e50), c)
   Call: (224) [system] c=')'
   Fail: (224) [system] c=')'
   Call: (224) [system] c=end_of_file
   Fail: (224) [system] c=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x55772f068e50), _2091670)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _2093528)
   Exit: (226) [system] peek_char((0x55772f068e50), c)
   Call: (226) [system] c=(;)
   Fail: (226) [system] c=(;)
   Call: (226) [system] c=(/)
   Fail: (226) [system] c=(/)
^  Call: (226) [user] is_like_space(c)
   Call: (227) [system] char_type(c, 'white')
   Fail: (227) [system] char_type(c, 'white')
   Call: (227) [system] char_type(c, end_of_line)
   Fail: (227) [system] char_type(c, end_of_line)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] char_type(c, cntrl)
   Fail: (227) [system] char_type(c, cntrl)
^  Fail: (226) [user] is_like_space(c)
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] get_char((0x55772f068e50), _18804)
   Exit: (225) [system] get_char((0x55772f068e50), c)
   Call: (225) [system] c='('
   Fail: (225) [system] c='('
   Call: (225) [system] c='['
   Fail: (225) [system] c='['
   Call: (225) [system] c='{'
   Fail: (225) [system] c='{'
   Call: (225) [system] c='"'
   Fail: (225) [system] c='"'
   Call: (225) [system] c=!
   Fail: (225) [system] c=!
   Call: (225) [system] c='\''
   Fail: (225) [system] c='\''
   Call: (225) [system] c='`'
   Fail: (225) [system] c='`'
   Call: (225) [system] c=end_of_file
   Fail: (225) [system] c=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x55772f068e50), c, _6074)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _36446)
   Call: (227) [system] peek_char((0x55772f068e50), _37380)
   Exit: (227) [system] peek_char((0x55772f068e50), d)
^  Call: (227) [user] is_delimiter(d)
   Call: (228) [system] char_type(d, space)
   Fail: (228) [system] char_type(d, space)
   Call: (228) [system] arg(_42100, v('(', ')', end_of_file), d)
   Fail: (228) [system] arg(_43032, v('(', ')', end_of_file), d)
^  Fail: (227) [user] is_delimiter(d)
   Call: (227) [system] ')'==d
   Fail: (227) [system] ')'==d
   Call: (227) [system] get_char((0x55772f068e50), d)
   Exit: (227) [system] get_char((0x55772f068e50), d)
   Call: (227) [system] d=(\)
   Fail: (227) [system] d=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _50382)
   Call: (228) [system] peek_char((0x55772f068e50), _51316)
   Exit: (228) [system] peek_char((0x55772f068e50), e)
^  Call: (228) [user] is_delimiter(e)
   Call: (229) [system] char_type(e, space)
   Fail: (229) [system] char_type(e, space)
   Call: (229) [system] arg(_56036, v('(', ')', end_of_file), e)
   Fail: (229) [system] arg(_56968, v('(', ')', end_of_file), e)
^  Fail: (228) [user] is_delimiter(e)
   Call: (228) [system] ')'==e
   Fail: (228) [system] ')'==e
   Call: (228) [system] get_char((0x55772f068e50), e)
   Exit: (228) [system] get_char((0x55772f068e50), e)
   Call: (228) [system] e=(\)
   Fail: (228) [system] e=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _64318)
   Call: (229) [system] peek_char((0x55772f068e50), _65252)
   Exit: (229) [system] peek_char((0x55772f068e50), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _64318=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (228) [system] _50382=[e]
   Exit: (228) [system] [e]=[e]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [e])
   Call: (227) [system] _36446=[d, e]
   Exit: (227) [system] [d, e]=[d, e]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [d, e])
^  Call: (226) [user] classify_and_convert_charseq([c, d, e], _6074)
^  Call: (227) [user] classify_and_convert_charseq_([c, d, e], _80124)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_81076, _81078), once(user:catch(read_from_chars([c, d, e], _80124), _81058, fail)), '$restore_trace'(_81076, _81078))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_81076, _81078))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _81058, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(cde)
   Exit: (228) [system] atomic(cde)
^  Exit: (227) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (227) [system] integer(cde)
   Fail: (227) [system] integer(cde)
   Call: (227) [system] _6074=cde
   Exit: (227) [system] cde=cde
^  Exit: (226) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (225) [user] read_symbolic(')', (0x55772f068e50), c, cde)
^  Exit: (224) [user] cont_sexpr(')', (0x55772f068e50), cde)
^  Call: (224) [user] read_list(')', (0x55772f068e50), _93204)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _95062)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x55772f068e50), _104656)
   Exit: (226) [system] get_char((0x55772f068e50), ' ')
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _107360)
   Exit: (227) [system] peek_char((0x55772f068e50), a)
   Call: (227) [system] a=(;)
   Fail: (227) [system] a=(;)
   Call: (227) [system] a=(/)
   Fail: (227) [system] a=(/)
^  Call: (227) [user] is_like_space(a)
   Call: (228) [system] char_type(a, 'white')
   Fail: (228) [system] char_type(a, 'white')
   Call: (228) [system] char_type(a, end_of_line)
   Fail: (228) [system] char_type(a, end_of_line)
   Call: (228) [system] char_type(a, space)
   Fail: (228) [system] char_type(a, space)
   Call: (228) [system] char_type(a, cntrl)
   Fail: (228) [system] char_type(a, cntrl)
^  Fail: (227) [user] is_like_space(a)
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _124294)
   Exit: (225) [system] peek_char((0x55772f068e50), a)
   Call: (225) [system] a=')'
   Fail: (225) [system] a=')'
   Call: (225) [system] a=end_of_file
   Fail: (225) [system] a=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x55772f068e50), _129864)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _131722)
   Exit: (227) [system] peek_char((0x55772f068e50), a)
   Call: (227) [system] a=(;)
   Fail: (227) [system] a=(;)
   Call: (227) [system] a=(/)
   Fail: (227) [system] a=(/)
^  Call: (227) [user] is_like_space(a)
   Call: (228) [system] char_type(a, 'white')
   Fail: (228) [system] char_type(a, 'white')
   Call: (228) [system] char_type(a, end_of_line)
   Fail: (228) [system] char_type(a, end_of_line)
   Call: (228) [system] char_type(a, space)
   Fail: (228) [system] char_type(a, space)
   Call: (228) [system] char_type(a, cntrl)
   Fail: (228) [system] char_type(a, cntrl)
^  Fail: (227) [user] is_like_space(a)
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] get_char((0x55772f068e50), _147732)
   Exit: (226) [system] get_char((0x55772f068e50), a)
   Call: (226) [system] a='('
   Fail: (226) [system] a='('
   Call: (226) [system] a='['
   Fail: (226) [system] a='['
   Call: (226) [system] a='{'
   Fail: (226) [system] a='{'
   Call: (226) [system] a='"'
   Fail: (226) [system] a='"'
   Call: (226) [system] a=!
   Fail: (226) [system] a=!
   Call: (226) [system] a='\''
   Fail: (226) [system] a='\''
   Call: (226) [system] a='`'
   Fail: (226) [system] a='`'
   Call: (226) [system] a=end_of_file
   Fail: (226) [system] a=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x55772f068e50), a, _129864)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _165374)
   Call: (228) [system] peek_char((0x55772f068e50), _166308)
   Exit: (228) [system] peek_char((0x55772f068e50), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_171028, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _165374=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (227) [user] classify_and_convert_charseq([a], _129864)
^  Call: (228) [user] classify_and_convert_charseq_([a], _177464)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_178416, _178418), once(user:catch(read_from_chars([a], _177464), _178398, fail)), '$restore_trace'(_178416, _178418))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_178416, _178418))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _178398, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(a)
   Exit: (229) [system] atomic(a)
^  Exit: (228) [user] classify_and_convert_charseq_([a], a)
   Call: (228) [system] integer(a)
   Fail: (228) [system] integer(a)
   Call: (228) [system] _129864=a
   Exit: (228) [system] a=a
^  Exit: (227) [user] classify_and_convert_charseq([a], a)
^  Exit: (226) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (225) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (225) [user] read_list(')', (0x55772f068e50), _190544)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _192402)
   Exit: (227) [system] peek_char((0x55772f068e50), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
   Call: (227) [system] ')'=(/)
   Fail: (227) [system] ')'=(/)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _208412)
   Exit: (226) [system] peek_char((0x55772f068e50), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x55772f068e50), _212202)
   Exit: (226) [system] get_char((0x55772f068e50), ')')
   Call: (226) [system] _190544=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x55772f068e50), [])
   Call: (225) [system] _93204=[a]
   Exit: (225) [system] [a]=[a]
^  Exit: (224) [user] read_list(')', (0x55772f068e50), [a])
   Call: (224) [system] _6070=[cde, a]
   Exit: (224) [system] [cde, a]=[cde, a]
^  Exit: (223) [user] read_list(')', (0x55772f068e50), [cde, a])
   Call: (223) [system] _6062=['DisjunctionIntroduction', cde, a]
   Exit: (223) [system] ['DisjunctionIntroduction', cde, a]=['DisjunctionIntroduction', cde, a]
^  Exit: (222) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', cde, a])
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', cde, a])
^  Call: (221) [user] read_list(')', (0x55772f068e50), _226084)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _227942)
   Exit: (223) [system] peek_char((0x55772f068e50), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
   Call: (223) [system] ')'=(/)
   Fail: (223) [system] ')'=(/)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _243952)
   Exit: (222) [system] peek_char((0x55772f068e50), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x55772f068e50), _247742)
   Exit: (222) [system] get_char((0x55772f068e50), ')')
   Call: (222) [system] _226084=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x55772f068e50), [])
   Call: (221) [system] _6058=[['DisjunctionIntroduction', cde, a]]
   Exit: (221) [system] [['DisjunctionIntroduction', cde, a]]=[['DisjunctionIntroduction', cde, a]]
^  Exit: (220) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', cde, a]])
   Call: (220) [system] _6052=[abc, ['DisjunctionIntroduction', cde, a]]
   Exit: (220) [system] [abc, ['DisjunctionIntroduction', cde, a]]=[abc, ['DisjunctionIntroduction', cde, a]]
^  Exit: (219) [user] read_list(')', (0x55772f068e50), [abc, ['DisjunctionIntroduction', cde, a]])
   Call: (219) [system] _6044=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]]
   Exit: (219) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]]
^  Exit: (218) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]])
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]])
^  Call: (217) [user] read_list(')', (0x55772f068e50), _261624)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _263482)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x55772f068e50), _273076)
   Exit: (219) [system] get_char((0x55772f068e50), ' ')
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _275780)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _292714)
   Exit: (218) [system] peek_char((0x55772f068e50), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _298284)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _300142)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _316152)
   Exit: (219) [system] get_char((0x55772f068e50), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x55772f068e50), _298284)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _321722)
   Exit: (221) [system] peek_char((0x55772f068e50), 'O')
   Call: (221) [system] 'O'=(;)
   Fail: (221) [system] 'O'=(;)
   Call: (221) [system] 'O'=(/)
   Fail: (221) [system] 'O'=(/)
^  Call: (221) [user] is_like_space('O')
   Call: (222) [system] char_type('O', 'white')
   Fail: (222) [system] char_type('O', 'white')
   Call: (222) [system] char_type('O', end_of_line)
   Fail: (222) [system] char_type('O', end_of_line)
   Call: (222) [system] char_type('O', space)
   Fail: (222) [system] char_type('O', space)
   Call: (222) [system] char_type('O', cntrl)
   Fail: (222) [system] char_type('O', cntrl)
^  Fail: (221) [user] is_like_space('O')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _337732)
   Exit: (220) [system] peek_char((0x55772f068e50), 'O')
   Call: (220) [system] 'O'=')'
   Fail: (220) [system] 'O'=')'
   Call: (220) [system] 'O'=end_of_file
   Fail: (220) [system] 'O'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _343302)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _345160)
   Exit: (222) [system] peek_char((0x55772f068e50), 'O')
   Call: (222) [system] 'O'=(;)
   Fail: (222) [system] 'O'=(;)
   Call: (222) [system] 'O'=(/)
   Fail: (222) [system] 'O'=(/)
^  Call: (222) [user] is_like_space('O')
   Call: (223) [system] char_type('O', 'white')
   Fail: (223) [system] char_type('O', 'white')
   Call: (223) [system] char_type('O', end_of_line)
   Fail: (223) [system] char_type('O', end_of_line)
   Call: (223) [system] char_type('O', space)
   Fail: (223) [system] char_type('O', space)
   Call: (223) [system] char_type('O', cntrl)
   Fail: (223) [system] char_type('O', cntrl)
^  Fail: (222) [user] is_like_space('O')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _361170)
   Exit: (221) [system] get_char((0x55772f068e50), 'O')
   Call: (221) [system] 'O'='('
   Fail: (221) [system] 'O'='('
   Call: (221) [system] 'O'='['
   Fail: (221) [system] 'O'='['
   Call: (221) [system] 'O'='{'
   Fail: (221) [system] 'O'='{'
   Call: (221) [system] 'O'='"'
   Fail: (221) [system] 'O'='"'
   Call: (221) [system] 'O'=!
   Fail: (221) [system] 'O'=!
   Call: (221) [system] 'O'='\''
   Fail: (221) [system] 'O'='\''
   Call: (221) [system] 'O'='`'
   Fail: (221) [system] 'O'='`'
   Call: (221) [system] 'O'=end_of_file
   Fail: (221) [system] 'O'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x55772f068e50), 'O', _343302)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _378812)
   Call: (223) [system] peek_char((0x55772f068e50), _379746)
   Exit: (223) [system] peek_char((0x55772f068e50), r)
^  Call: (223) [user] is_delimiter(r)
   Call: (224) [system] char_type(r, space)
   Fail: (224) [system] char_type(r, space)
   Call: (224) [system] arg(_384466, v('(', ')', end_of_file), r)
   Fail: (224) [system] arg(_385398, v('(', ')', end_of_file), r)
^  Fail: (223) [user] is_delimiter(r)
   Call: (223) [system] ')'==r
   Fail: (223) [system] ')'==r
   Call: (223) [system] get_char((0x55772f068e50), r)
   Exit: (223) [system] get_char((0x55772f068e50), r)
   Call: (223) [system] r=(\)
   Fail: (223) [system] r=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _392748)
   Call: (224) [system] peek_char((0x55772f068e50), _393682)
   Exit: (224) [system] peek_char((0x55772f068e50), 'L')
^  Call: (224) [user] is_delimiter('L')
   Call: (225) [system] char_type('L', space)
   Fail: (225) [system] char_type('L', space)
   Call: (225) [system] arg(_398402, v('(', ')', end_of_file), 'L')
   Fail: (225) [system] arg(_399334, v('(', ')', end_of_file), 'L')
^  Fail: (224) [user] is_delimiter('L')
   Call: (224) [system] ')'=='L'
   Fail: (224) [system] ')'=='L'
   Call: (224) [system] get_char((0x55772f068e50), 'L')
   Exit: (224) [system] get_char((0x55772f068e50), 'L')
   Call: (224) [system] 'L'=(\)
   Fail: (224) [system] 'L'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _406684)
   Call: (225) [system] peek_char((0x55772f068e50), _407618)
   Exit: (225) [system] peek_char((0x55772f068e50), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_412338, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_413270, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x55772f068e50), i)
   Exit: (225) [system] get_char((0x55772f068e50), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _420620)
   Call: (226) [system] peek_char((0x55772f068e50), _421554)
   Exit: (226) [system] peek_char((0x55772f068e50), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_426274, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_427206, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x55772f068e50), n)
   Exit: (226) [system] get_char((0x55772f068e50), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _434556)
   Call: (227) [system] peek_char((0x55772f068e50), _435490)
   Exit: (227) [system] peek_char((0x55772f068e50), k)
^  Call: (227) [user] is_delimiter(k)
   Call: (228) [system] char_type(k, space)
   Fail: (228) [system] char_type(k, space)
   Call: (228) [system] arg(_440210, v('(', ')', end_of_file), k)
   Fail: (228) [system] arg(_441142, v('(', ')', end_of_file), k)
^  Fail: (227) [user] is_delimiter(k)
   Call: (227) [system] ')'==k
   Fail: (227) [system] ')'==k
   Call: (227) [system] get_char((0x55772f068e50), k)
   Exit: (227) [system] get_char((0x55772f068e50), k)
   Call: (227) [system] k=(\)
   Fail: (227) [system] k=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _448492)
   Call: (228) [system] peek_char((0x55772f068e50), _449426)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _448492=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (227) [system] _434556=[k]
   Exit: (227) [system] [k]=[k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (226) [system] _420620=[n, k]
   Exit: (226) [system] [n, k]=[n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (225) [system] _406684=[i, n, k]
   Exit: (225) [system] [i, n, k]=[i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (224) [system] _392748=['L', i, n, k]
   Exit: (224) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (223) [system] _378812=[r, 'L', i, n, k]
   Exit: (223) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (222) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _343302)
^  Call: (223) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _472680)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_473632, _473634), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _472680), _473614, fail)), '$restore_trace'(_473632, _473634))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_473632, _473634))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _472680), _473614, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_472680)
   Fail: (224) [system] atomic(_472680)
   Call: (224) [system] atom_chars(_472680, ['O', r, 'L', i, n, k])
   Exit: (224) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (223) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (223) [system] integer('OrLink')
   Fail: (223) [system] integer('OrLink')
   Call: (223) [system] _343302='OrLink'
   Exit: (223) [system] 'OrLink'='OrLink'
^  Exit: (222) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (221) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (220) [user] read_list(')', (0x55772f068e50), _487630)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _489488)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x55772f068e50), _499082)
   Exit: (222) [system] get_char((0x55772f068e50), ' ')
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _501786)
   Exit: (223) [system] peek_char((0x55772f068e50), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _518720)
   Exit: (221) [system] peek_char((0x55772f068e50), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _524290)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _526148)
   Exit: (223) [system] peek_char((0x55772f068e50), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _542158)
   Exit: (222) [system] get_char((0x55772f068e50), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x55772f068e50), _524290)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _547728)
   Exit: (224) [system] peek_char((0x55772f068e50), 'I')
   Call: (224) [system] 'I'=(;)
   Fail: (224) [system] 'I'=(;)
   Call: (224) [system] 'I'=(/)
   Fail: (224) [system] 'I'=(/)
^  Call: (224) [user] is_like_space('I')
   Call: (225) [system] char_type('I', 'white')
   Fail: (225) [system] char_type('I', 'white')
   Call: (225) [system] char_type('I', end_of_line)
   Fail: (225) [system] char_type('I', end_of_line)
   Call: (225) [system] char_type('I', space)
   Fail: (225) [system] char_type('I', space)
   Call: (225) [system] char_type('I', cntrl)
   Fail: (225) [system] char_type('I', cntrl)
^  Fail: (224) [user] is_like_space('I')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _563738)
   Exit: (223) [system] peek_char((0x55772f068e50), 'I')
   Call: (223) [system] 'I'=')'
   Fail: (223) [system] 'I'=')'
   Call: (223) [system] 'I'=end_of_file
   Fail: (223) [system] 'I'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x55772f068e50), _569308)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _571166)
   Exit: (225) [system] peek_char((0x55772f068e50), 'I')
   Call: (225) [system] 'I'=(;)
   Fail: (225) [system] 'I'=(;)
   Call: (225) [system] 'I'=(/)
   Fail: (225) [system] 'I'=(/)
^  Call: (225) [user] is_like_space('I')
   Call: (226) [system] char_type('I', 'white')
   Fail: (226) [system] char_type('I', 'white')
   Call: (226) [system] char_type('I', end_of_line)
   Fail: (226) [system] char_type('I', end_of_line)
   Call: (226) [system] char_type('I', space)
   Fail: (226) [system] char_type('I', space)
   Call: (226) [system] char_type('I', cntrl)
   Fail: (226) [system] char_type('I', cntrl)
^  Fail: (225) [user] is_like_space('I')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] get_char((0x55772f068e50), _587176)
   Exit: (224) [system] get_char((0x55772f068e50), 'I')
   Call: (224) [system] 'I'='('
   Fail: (224) [system] 'I'='('
   Call: (224) [system] 'I'='['
   Fail: (224) [system] 'I'='['
   Call: (224) [system] 'I'='{'
   Fail: (224) [system] 'I'='{'
   Call: (224) [system] 'I'='"'
   Fail: (224) [system] 'I'='"'
   Call: (224) [system] 'I'=!
   Fail: (224) [system] 'I'=!
   Call: (224) [system] 'I'='\''
   Fail: (224) [system] 'I'='\''
   Call: (224) [system] 'I'='`'
   Fail: (224) [system] 'I'='`'
   Call: (224) [system] 'I'=end_of_file
   Fail: (224) [system] 'I'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x55772f068e50), 'I', _569308)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _604818)
   Call: (226) [system] peek_char((0x55772f068e50), _605752)
   Exit: (226) [system] peek_char((0x55772f068e50), m)
^  Call: (226) [user] is_delimiter(m)
   Call: (227) [system] char_type(m, space)
   Fail: (227) [system] char_type(m, space)
   Call: (227) [system] arg(_610472, v('(', ')', end_of_file), m)
   Fail: (227) [system] arg(_611404, v('(', ')', end_of_file), m)
^  Fail: (226) [user] is_delimiter(m)
   Call: (226) [system] ')'==m
   Fail: (226) [system] ')'==m
   Call: (226) [system] get_char((0x55772f068e50), m)
   Exit: (226) [system] get_char((0x55772f068e50), m)
   Call: (226) [system] m=(\)
   Fail: (226) [system] m=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _618754)
   Call: (227) [system] peek_char((0x55772f068e50), _619688)
   Exit: (227) [system] peek_char((0x55772f068e50), p)
^  Call: (227) [user] is_delimiter(p)
   Call: (228) [system] char_type(p, space)
   Fail: (228) [system] char_type(p, space)
   Call: (228) [system] arg(_624408, v('(', ')', end_of_file), p)
   Fail: (228) [system] arg(_625340, v('(', ')', end_of_file), p)
^  Fail: (227) [user] is_delimiter(p)
   Call: (227) [system] ')'==p
   Fail: (227) [system] ')'==p
   Call: (227) [system] get_char((0x55772f068e50), p)
   Exit: (227) [system] get_char((0x55772f068e50), p)
   Call: (227) [system] p=(\)
   Fail: (227) [system] p=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _632690)
   Call: (228) [system] peek_char((0x55772f068e50), _633624)
   Exit: (228) [system] peek_char((0x55772f068e50), l)
^  Call: (228) [user] is_delimiter(l)
   Call: (229) [system] char_type(l, space)
   Fail: (229) [system] char_type(l, space)
   Call: (229) [system] arg(_638344, v('(', ')', end_of_file), l)
   Fail: (229) [system] arg(_639276, v('(', ')', end_of_file), l)
^  Fail: (228) [user] is_delimiter(l)
   Call: (228) [system] ')'==l
   Fail: (228) [system] ')'==l
   Call: (228) [system] get_char((0x55772f068e50), l)
   Exit: (228) [system] get_char((0x55772f068e50), l)
   Call: (228) [system] l=(\)
   Fail: (228) [system] l=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _646626)
   Call: (229) [system] peek_char((0x55772f068e50), _647560)
   Exit: (229) [system] peek_char((0x55772f068e50), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_652280, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_653212, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x55772f068e50), i)
   Exit: (229) [system] get_char((0x55772f068e50), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _660562)
   Call: (230) [system] peek_char((0x55772f068e50), _661496)
   Exit: (230) [system] peek_char((0x55772f068e50), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Fail: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_666216, v('(', ')', end_of_file), c)
   Fail: (231) [system] arg(_667148, v('(', ')', end_of_file), c)
^  Fail: (230) [user] is_delimiter(c)
   Call: (230) [system] ')'==c
   Fail: (230) [system] ')'==c
   Call: (230) [system] get_char((0x55772f068e50), c)
   Exit: (230) [system] get_char((0x55772f068e50), c)
   Call: (230) [system] c=(\)
   Fail: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _674498)
   Call: (231) [system] peek_char((0x55772f068e50), _675432)
   Exit: (231) [system] peek_char((0x55772f068e50), a)
^  Call: (231) [user] is_delimiter(a)
   Call: (232) [system] char_type(a, space)
   Fail: (232) [system] char_type(a, space)
   Call: (232) [system] arg(_680152, v('(', ')', end_of_file), a)
   Fail: (232) [system] arg(_681084, v('(', ')', end_of_file), a)
^  Fail: (231) [user] is_delimiter(a)
   Call: (231) [system] ')'==a
   Fail: (231) [system] ')'==a
   Call: (231) [system] get_char((0x55772f068e50), a)
   Exit: (231) [system] get_char((0x55772f068e50), a)
   Call: (231) [system] a=(\)
   Fail: (231) [system] a=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _688434)
   Call: (232) [system] peek_char((0x55772f068e50), _689368)
   Exit: (232) [system] peek_char((0x55772f068e50), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_694088, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_695020, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x55772f068e50), t)
   Exit: (232) [system] get_char((0x55772f068e50), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _702370)
   Call: (233) [system] peek_char((0x55772f068e50), _703304)
   Exit: (233) [system] peek_char((0x55772f068e50), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_708024, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_708956, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x55772f068e50), i)
   Exit: (233) [system] get_char((0x55772f068e50), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _716306)
   Call: (234) [system] peek_char((0x55772f068e50), _717240)
   Exit: (234) [system] peek_char((0x55772f068e50), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_721960, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_722892, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x55772f068e50), o)
   Exit: (234) [system] get_char((0x55772f068e50), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _730242)
   Call: (235) [system] peek_char((0x55772f068e50), _731176)
   Exit: (235) [system] peek_char((0x55772f068e50), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_735896, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_736828, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x55772f068e50), n)
   Exit: (235) [system] get_char((0x55772f068e50), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _744178)
   Call: (236) [system] peek_char((0x55772f068e50), _745112)
   Exit: (236) [system] peek_char((0x55772f068e50), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _744178=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (235) [system] _730242=[n]
   Exit: (235) [system] [n]=[n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (234) [system] _716306=[o, n]
   Exit: (234) [system] [o, n]=[o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (233) [system] _702370=[i, o, n]
   Exit: (233) [system] [i, o, n]=[i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (232) [system] _688434=[t, i, o, n]
   Exit: (232) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (231) [system] _674498=[a, t, i, o, n]
   Exit: (231) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (230) [system] _660562=[c, a, t, i, o, n]
   Exit: (230) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (229) [system] _646626=[i, c, a, t, i, o, n]
   Exit: (229) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (228) [system] _632690=[l, i, c, a, t, i, o, n]
   Exit: (228) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (227) [system] _618754=[p, l, i, c, a, t, i, o, n]
   Exit: (227) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (226) [system] _604818=[m, p, l, i, c, a, t, i, o, n]
   Exit: (226) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (225) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _569308)
^  Call: (226) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _782336)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_783288, _783290), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _782336), _783270, fail)), '$restore_trace'(_783288, _783290))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_783288, _783290))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _782336), _783270, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_782336)
   Fail: (227) [system] atomic(_782336)
   Call: (227) [system] atom_chars(_782336, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (227) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (226) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (226) [system] integer('Implication')
   Fail: (226) [system] integer('Implication')
   Call: (226) [system] _569308='Implication'
   Exit: (226) [system] 'Implication'='Implication'
^  Exit: (225) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (224) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (223) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (223) [user] read_list(')', (0x55772f068e50), _797286)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _799144)
   Exit: (225) [system] peek_char((0x55772f068e50), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x55772f068e50), _808738)
   Exit: (225) [system] get_char((0x55772f068e50), ' ')
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _811442)
   Exit: (226) [system] peek_char((0x55772f068e50), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _828376)
   Exit: (224) [system] peek_char((0x55772f068e50), '(')
   Call: (224) [system] '('=')'
   Fail: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
   Fail: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x55772f068e50), _833946)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _835804)
   Exit: (226) [system] peek_char((0x55772f068e50), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] get_char((0x55772f068e50), _851814)
   Exit: (225) [system] get_char((0x55772f068e50), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x55772f068e50), _833946)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _857384)
   Exit: (227) [system] peek_char((0x55772f068e50), 'A')
   Call: (227) [system] 'A'=(;)
   Fail: (227) [system] 'A'=(;)
   Call: (227) [system] 'A'=(/)
   Fail: (227) [system] 'A'=(/)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Fail: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Fail: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Fail: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
   Fail: (228) [system] char_type('A', cntrl)
^  Fail: (227) [user] is_like_space('A')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _873394)
   Exit: (226) [system] peek_char((0x55772f068e50), 'A')
   Call: (226) [system] 'A'=')'
   Fail: (226) [system] 'A'=')'
   Call: (226) [system] 'A'=end_of_file
   Fail: (226) [system] 'A'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x55772f068e50), _878964)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _880822)
   Exit: (228) [system] peek_char((0x55772f068e50), 'A')
   Call: (228) [system] 'A'=(;)
   Fail: (228) [system] 'A'=(;)
   Call: (228) [system] 'A'=(/)
   Fail: (228) [system] 'A'=(/)
^  Call: (228) [user] is_like_space('A')
   Call: (229) [system] char_type('A', 'white')
   Fail: (229) [system] char_type('A', 'white')
   Call: (229) [system] char_type('A', end_of_line)
   Fail: (229) [system] char_type('A', end_of_line)
   Call: (229) [system] char_type('A', space)
   Fail: (229) [system] char_type('A', space)
   Call: (229) [system] char_type('A', cntrl)
   Fail: (229) [system] char_type('A', cntrl)
^  Fail: (228) [user] is_like_space('A')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] get_char((0x55772f068e50), _896832)
   Exit: (227) [system] get_char((0x55772f068e50), 'A')
   Call: (227) [system] 'A'='('
   Fail: (227) [system] 'A'='('
   Call: (227) [system] 'A'='['
   Fail: (227) [system] 'A'='['
   Call: (227) [system] 'A'='{'
   Fail: (227) [system] 'A'='{'
   Call: (227) [system] 'A'='"'
   Fail: (227) [system] 'A'='"'
   Call: (227) [system] 'A'=!
   Fail: (227) [system] 'A'=!
   Call: (227) [system] 'A'='\''
   Fail: (227) [system] 'A'='\''
   Call: (227) [system] 'A'='`'
   Fail: (227) [system] 'A'='`'
   Call: (227) [system] 'A'=end_of_file
   Fail: (227) [system] 'A'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x55772f068e50), 'A', _878964)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _914474)
   Call: (229) [system] peek_char((0x55772f068e50), _915408)
   Exit: (229) [system] peek_char((0x55772f068e50), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_920128, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_921060, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x55772f068e50), n)
   Exit: (229) [system] get_char((0x55772f068e50), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _928410)
   Call: (230) [system] peek_char((0x55772f068e50), _929344)
   Exit: (230) [system] peek_char((0x55772f068e50), d)
^  Call: (230) [user] is_delimiter(d)
   Call: (231) [system] char_type(d, space)
   Fail: (231) [system] char_type(d, space)
   Call: (231) [system] arg(_934064, v('(', ')', end_of_file), d)
   Fail: (231) [system] arg(_934996, v('(', ')', end_of_file), d)
^  Fail: (230) [user] is_delimiter(d)
   Call: (230) [system] ')'==d
   Fail: (230) [system] ')'==d
   Call: (230) [system] get_char((0x55772f068e50), d)
   Exit: (230) [system] get_char((0x55772f068e50), d)
   Call: (230) [system] d=(\)
   Fail: (230) [system] d=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _942346)
   Call: (231) [system] peek_char((0x55772f068e50), _943280)
   Exit: (231) [system] peek_char((0x55772f068e50), 'L')
^  Call: (231) [user] is_delimiter('L')
   Call: (232) [system] char_type('L', space)
   Fail: (232) [system] char_type('L', space)
   Call: (232) [system] arg(_948000, v('(', ')', end_of_file), 'L')
   Fail: (232) [system] arg(_948932, v('(', ')', end_of_file), 'L')
^  Fail: (231) [user] is_delimiter('L')
   Call: (231) [system] ')'=='L'
   Fail: (231) [system] ')'=='L'
   Call: (231) [system] get_char((0x55772f068e50), 'L')
   Exit: (231) [system] get_char((0x55772f068e50), 'L')
   Call: (231) [system] 'L'=(\)
   Fail: (231) [system] 'L'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _956282)
   Call: (232) [system] peek_char((0x55772f068e50), _957216)
   Exit: (232) [system] peek_char((0x55772f068e50), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_961936, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_962868, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x55772f068e50), i)
   Exit: (232) [system] get_char((0x55772f068e50), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _970218)
   Call: (233) [system] peek_char((0x55772f068e50), _971152)
   Exit: (233) [system] peek_char((0x55772f068e50), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_975872, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_976804, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x55772f068e50), n)
   Exit: (233) [system] get_char((0x55772f068e50), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _984154)
   Call: (234) [system] peek_char((0x55772f068e50), _985088)
   Exit: (234) [system] peek_char((0x55772f068e50), k)
^  Call: (234) [user] is_delimiter(k)
   Call: (235) [system] char_type(k, space)
   Fail: (235) [system] char_type(k, space)
   Call: (235) [system] arg(_989808, v('(', ')', end_of_file), k)
   Fail: (235) [system] arg(_990740, v('(', ')', end_of_file), k)
^  Fail: (234) [user] is_delimiter(k)
   Call: (234) [system] ')'==k
   Fail: (234) [system] ')'==k
   Call: (234) [system] get_char((0x55772f068e50), k)
   Exit: (234) [system] get_char((0x55772f068e50), k)
   Call: (234) [system] k=(\)
   Fail: (234) [system] k=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _998090)
   Call: (235) [system] peek_char((0x55772f068e50), _999024)
   Exit: (235) [system] peek_char((0x55772f068e50), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _998090=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (234) [system] _984154=[k]
   Exit: (234) [system] [k]=[k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (233) [system] _970218=[n, k]
   Exit: (233) [system] [n, k]=[n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (232) [system] _956282=[i, n, k]
   Exit: (232) [system] [i, n, k]=[i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (231) [system] _942346=['L', i, n, k]
   Exit: (231) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (230) [system] _928410=[d, 'L', i, n, k]
   Exit: (230) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (229) [system] _914474=[n, d, 'L', i, n, k]
   Exit: (229) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (228) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _878964)
^  Call: (229) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1025072)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1026024, _1026026), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1025072), _1026006, fail)), '$restore_trace'(_1026024, _1026026))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1026024, _1026026))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1025072), _1026006, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1025072)
   Fail: (230) [system] atomic(_1025072)
   Call: (230) [system] atom_chars(_1025072, ['A', n, d, 'L', i, n, k])
   Exit: (230) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (229) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (229) [system] integer('AndLink')
   Fail: (229) [system] integer('AndLink')
   Call: (229) [system] _878964='AndLink'
   Exit: (229) [system] 'AndLink'='AndLink'
^  Exit: (228) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (227) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (226) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (226) [user] read_list(')', (0x55772f068e50), _1040022)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1041880)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x55772f068e50), _1051474)
   Exit: (228) [system] get_char((0x55772f068e50), ' ')
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1054178)
   Exit: (229) [system] peek_char((0x55772f068e50), 'A')
   Call: (229) [system] 'A'=(;)
   Fail: (229) [system] 'A'=(;)
   Call: (229) [system] 'A'=(/)
   Fail: (229) [system] 'A'=(/)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Fail: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Fail: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Fail: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
   Fail: (230) [system] char_type('A', cntrl)
^  Fail: (229) [user] is_like_space('A')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1071112)
   Exit: (227) [system] peek_char((0x55772f068e50), 'A')
   Call: (227) [system] 'A'=')'
   Fail: (227) [system] 'A'=')'
   Call: (227) [system] 'A'=end_of_file
   Fail: (227) [system] 'A'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x55772f068e50), _1076682)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1078540)
   Exit: (229) [system] peek_char((0x55772f068e50), 'A')
   Call: (229) [system] 'A'=(;)
   Fail: (229) [system] 'A'=(;)
   Call: (229) [system] 'A'=(/)
   Fail: (229) [system] 'A'=(/)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Fail: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Fail: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Fail: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
   Fail: (230) [system] char_type('A', cntrl)
^  Fail: (229) [user] is_like_space('A')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] get_char((0x55772f068e50), _1094550)
   Exit: (228) [system] get_char((0x55772f068e50), 'A')
   Call: (228) [system] 'A'='('
   Fail: (228) [system] 'A'='('
   Call: (228) [system] 'A'='['
   Fail: (228) [system] 'A'='['
   Call: (228) [system] 'A'='{'
   Fail: (228) [system] 'A'='{'
   Call: (228) [system] 'A'='"'
   Fail: (228) [system] 'A'='"'
   Call: (228) [system] 'A'=!
   Fail: (228) [system] 'A'=!
   Call: (228) [system] 'A'='\''
   Fail: (228) [system] 'A'='\''
   Call: (228) [system] 'A'='`'
   Fail: (228) [system] 'A'='`'
   Call: (228) [system] 'A'=end_of_file
   Fail: (228) [system] 'A'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x55772f068e50), 'A', _1076682)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1112192)
   Call: (230) [system] peek_char((0x55772f068e50), _1113126)
   Exit: (230) [system] peek_char((0x55772f068e50), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1112192=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (229) [user] classify_and_convert_charseq(['A'], _1076682)
^  Call: (230) [user] classify_and_convert_charseq_(['A'], _1122410)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1123362, _1123364), once(user:catch(read_from_chars(['A'], _1122410), _1123344, fail)), '$restore_trace'(_1123362, _1123364))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1123362, _1123364))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1122410), _1123344, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1122410)
   Fail: (231) [system] atomic(_1122410)
   Call: (231) [system] atom_chars(_1122410, ['A'])
   Exit: (231) [system] atom_chars('A', ['A'])
^  Exit: (230) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (230) [system] integer('A')
   Fail: (230) [system] integer('A')
   Call: (230) [system] _1076682='A'
   Exit: (230) [system] 'A'='A'
^  Exit: (229) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (228) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (227) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (227) [user] read_list(')', (0x55772f068e50), _1137360)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1139218)
   Exit: (229) [system] peek_char((0x55772f068e50), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x55772f068e50), _1148812)
   Exit: (229) [system] get_char((0x55772f068e50), ' ')
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1151516)
   Exit: (230) [system] peek_char((0x55772f068e50), 'B')
   Call: (230) [system] 'B'=(;)
   Fail: (230) [system] 'B'=(;)
   Call: (230) [system] 'B'=(/)
   Fail: (230) [system] 'B'=(/)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Fail: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Fail: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Fail: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
   Fail: (231) [system] char_type('B', cntrl)
^  Fail: (230) [user] is_like_space('B')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1168450)
   Exit: (228) [system] peek_char((0x55772f068e50), 'B')
   Call: (228) [system] 'B'=')'
   Fail: (228) [system] 'B'=')'
   Call: (228) [system] 'B'=end_of_file
   Fail: (228) [system] 'B'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x55772f068e50), _1174020)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1175878)
   Exit: (230) [system] peek_char((0x55772f068e50), 'B')
   Call: (230) [system] 'B'=(;)
   Fail: (230) [system] 'B'=(;)
   Call: (230) [system] 'B'=(/)
   Fail: (230) [system] 'B'=(/)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Fail: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Fail: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Fail: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
   Fail: (231) [system] char_type('B', cntrl)
^  Fail: (230) [user] is_like_space('B')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] get_char((0x55772f068e50), _1191888)
   Exit: (229) [system] get_char((0x55772f068e50), 'B')
   Call: (229) [system] 'B'='('
   Fail: (229) [system] 'B'='('
   Call: (229) [system] 'B'='['
   Fail: (229) [system] 'B'='['
   Call: (229) [system] 'B'='{'
   Fail: (229) [system] 'B'='{'
   Call: (229) [system] 'B'='"'
   Fail: (229) [system] 'B'='"'
   Call: (229) [system] 'B'=!
   Fail: (229) [system] 'B'=!
   Call: (229) [system] 'B'='\''
   Fail: (229) [system] 'B'='\''
   Call: (229) [system] 'B'='`'
   Fail: (229) [system] 'B'='`'
   Call: (229) [system] 'B'=end_of_file
   Fail: (229) [system] 'B'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x55772f068e50), 'B', _1174020)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1209530)
   Call: (231) [system] peek_char((0x55772f068e50), _1210464)
   Exit: (231) [system] peek_char((0x55772f068e50), ')')
^  Call: (231) [user] is_delimiter(')')
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] arg(_1215184, v('(', ')', end_of_file), ')')
   Exit: (232) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (231) [user] is_delimiter(')')
   Call: (231) [system] _1209530=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (230) [user] classify_and_convert_charseq(['B'], _1174020)
^  Call: (231) [user] classify_and_convert_charseq_(['B'], _1221620)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1222572, _1222574), once(user:catch(read_from_chars(['B'], _1221620), _1222554, fail)), '$restore_trace'(_1222572, _1222574))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1222572, _1222574))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1221620), _1222554, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_1221620)
   Fail: (232) [system] atomic(_1221620)
   Call: (232) [system] atom_chars(_1221620, ['B'])
   Exit: (232) [system] atom_chars('B', ['B'])
^  Exit: (231) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (231) [system] integer('B')
   Fail: (231) [system] integer('B')
   Call: (231) [system] _1174020='B'
   Exit: (231) [system] 'B'='B'
^  Exit: (230) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (229) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (228) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (228) [user] read_list(')', (0x55772f068e50), _1236570)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1238428)
   Exit: (230) [system] peek_char((0x55772f068e50), ')')
   Call: (230) [system] ')'=(;)
   Fail: (230) [system] ')'=(;)
   Call: (230) [system] ')'=(/)
   Fail: (230) [system] ')'=(/)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Fail: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Fail: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
   Fail: (231) [system] char_type(')', cntrl)
^  Fail: (230) [user] is_like_space(')')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1254438)
   Exit: (229) [system] peek_char((0x55772f068e50), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x55772f068e50), _1258228)
   Exit: (229) [system] get_char((0x55772f068e50), ')')
   Call: (229) [system] _1236570=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x55772f068e50), [])
   Call: (228) [system] _1137360=['B']
   Exit: (228) [system] ['B']=['B']
^  Exit: (227) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (227) [system] _1040022=['A', 'B']
   Exit: (227) [system] ['A', 'B']=['A', 'B']
^  Exit: (226) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (226) [system] _833946=['AndLink', 'A', 'B']
   Exit: (226) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (225) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (224) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (224) [user] read_list(')', (0x55772f068e50), _1272110)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1273968)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x55772f068e50), _1283562)
   Exit: (226) [system] get_char((0x55772f068e50), ' ')
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1286266)
   Exit: (227) [system] peek_char((0x55772f068e50), 'C')
   Call: (227) [system] 'C'=(;)
   Fail: (227) [system] 'C'=(;)
   Call: (227) [system] 'C'=(/)
   Fail: (227) [system] 'C'=(/)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Fail: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Fail: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Fail: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
   Fail: (228) [system] char_type('C', cntrl)
^  Fail: (227) [user] is_like_space('C')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1303200)
   Exit: (225) [system] peek_char((0x55772f068e50), 'C')
   Call: (225) [system] 'C'=')'
   Fail: (225) [system] 'C'=')'
   Call: (225) [system] 'C'=end_of_file
   Fail: (225) [system] 'C'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x55772f068e50), _1308770)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1310628)
   Exit: (227) [system] peek_char((0x55772f068e50), 'C')
   Call: (227) [system] 'C'=(;)
   Fail: (227) [system] 'C'=(;)
   Call: (227) [system] 'C'=(/)
   Fail: (227) [system] 'C'=(/)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Fail: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Fail: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Fail: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
   Fail: (228) [system] char_type('C', cntrl)
^  Fail: (227) [user] is_like_space('C')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] get_char((0x55772f068e50), _1326638)
   Exit: (226) [system] get_char((0x55772f068e50), 'C')
   Call: (226) [system] 'C'='('
   Fail: (226) [system] 'C'='('
   Call: (226) [system] 'C'='['
   Fail: (226) [system] 'C'='['
   Call: (226) [system] 'C'='{'
   Fail: (226) [system] 'C'='{'
   Call: (226) [system] 'C'='"'
   Fail: (226) [system] 'C'='"'
   Call: (226) [system] 'C'=!
   Fail: (226) [system] 'C'=!
   Call: (226) [system] 'C'='\''
   Fail: (226) [system] 'C'='\''
   Call: (226) [system] 'C'='`'
   Fail: (226) [system] 'C'='`'
   Call: (226) [system] 'C'=end_of_file
   Fail: (226) [system] 'C'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x55772f068e50), 'C', _1308770)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1344280)
   Call: (228) [system] peek_char((0x55772f068e50), _1345214)
   Exit: (228) [system] peek_char((0x55772f068e50), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_1349934, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _1344280=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (227) [user] classify_and_convert_charseq(['C'], _1308770)
^  Call: (228) [user] classify_and_convert_charseq_(['C'], _1356370)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1357322, _1357324), once(user:catch(read_from_chars(['C'], _1356370), _1357304, fail)), '$restore_trace'(_1357322, _1357324))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1357322, _1357324))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1356370), _1357304, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1356370)
   Fail: (229) [system] atomic(_1356370)
   Call: (229) [system] atom_chars(_1356370, ['C'])
   Exit: (229) [system] atom_chars('C', ['C'])
^  Exit: (228) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (228) [system] integer('C')
   Fail: (228) [system] integer('C')
   Call: (228) [system] _1308770='C'
   Exit: (228) [system] 'C'='C'
^  Exit: (227) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (226) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (225) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (225) [user] read_list(')', (0x55772f068e50), _1371320)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1373178)
   Exit: (227) [system] peek_char((0x55772f068e50), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
   Call: (227) [system] ')'=(/)
   Fail: (227) [system] ')'=(/)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1389188)
   Exit: (226) [system] peek_char((0x55772f068e50), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x55772f068e50), _1392978)
   Exit: (226) [system] get_char((0x55772f068e50), ')')
   Call: (226) [system] _1371320=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x55772f068e50), [])
   Call: (225) [system] _1272110=['C']
   Exit: (225) [system] ['C']=['C']
^  Exit: (224) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (224) [system] _797286=[['AndLink', 'A', 'B'], 'C']
   Exit: (224) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (223) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (223) [system] _524290=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (223) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (222) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (221) [user] read_list(')', (0x55772f068e50), _1406860)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1408718)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x55772f068e50), _1418312)
   Exit: (223) [system] get_char((0x55772f068e50), ' ')
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1421016)
   Exit: (224) [system] peek_char((0x55772f068e50), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1437950)
   Exit: (222) [system] peek_char((0x55772f068e50), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _1443520)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1445378)
   Exit: (224) [system] peek_char((0x55772f068e50), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _1461388)
   Exit: (223) [system] get_char((0x55772f068e50), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x55772f068e50), _1443520)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1466958)
   Exit: (225) [system] peek_char((0x55772f068e50), 'O')
   Call: (225) [system] 'O'=(;)
   Fail: (225) [system] 'O'=(;)
   Call: (225) [system] 'O'=(/)
   Fail: (225) [system] 'O'=(/)
^  Call: (225) [user] is_like_space('O')
   Call: (226) [system] char_type('O', 'white')
   Fail: (226) [system] char_type('O', 'white')
   Call: (226) [system] char_type('O', end_of_line)
   Fail: (226) [system] char_type('O', end_of_line)
   Call: (226) [system] char_type('O', space)
   Fail: (226) [system] char_type('O', space)
   Call: (226) [system] char_type('O', cntrl)
   Fail: (226) [system] char_type('O', cntrl)
^  Fail: (225) [user] is_like_space('O')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1482968)
   Exit: (224) [system] peek_char((0x55772f068e50), 'O')
   Call: (224) [system] 'O'=')'
   Fail: (224) [system] 'O'=')'
   Call: (224) [system] 'O'=end_of_file
   Fail: (224) [system] 'O'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x55772f068e50), _1488538)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1490396)
   Exit: (226) [system] peek_char((0x55772f068e50), 'O')
   Call: (226) [system] 'O'=(;)
   Fail: (226) [system] 'O'=(;)
   Call: (226) [system] 'O'=(/)
   Fail: (226) [system] 'O'=(/)
^  Call: (226) [user] is_like_space('O')
   Call: (227) [system] char_type('O', 'white')
   Fail: (227) [system] char_type('O', 'white')
   Call: (227) [system] char_type('O', end_of_line)
   Fail: (227) [system] char_type('O', end_of_line)
   Call: (227) [system] char_type('O', space)
   Fail: (227) [system] char_type('O', space)
   Call: (227) [system] char_type('O', cntrl)
   Fail: (227) [system] char_type('O', cntrl)
^  Fail: (226) [user] is_like_space('O')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] get_char((0x55772f068e50), _1506406)
   Exit: (225) [system] get_char((0x55772f068e50), 'O')
   Call: (225) [system] 'O'='('
   Fail: (225) [system] 'O'='('
   Call: (225) [system] 'O'='['
   Fail: (225) [system] 'O'='['
   Call: (225) [system] 'O'='{'
   Fail: (225) [system] 'O'='{'
   Call: (225) [system] 'O'='"'
   Fail: (225) [system] 'O'='"'
   Call: (225) [system] 'O'=!
   Fail: (225) [system] 'O'=!
   Call: (225) [system] 'O'='\''
   Fail: (225) [system] 'O'='\''
   Call: (225) [system] 'O'='`'
   Fail: (225) [system] 'O'='`'
   Call: (225) [system] 'O'=end_of_file
   Fail: (225) [system] 'O'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x55772f068e50), 'O', _1488538)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1524048)
   Call: (227) [system] peek_char((0x55772f068e50), _1524982)
   Exit: (227) [system] peek_char((0x55772f068e50), r)
^  Call: (227) [user] is_delimiter(r)
   Call: (228) [system] char_type(r, space)
   Fail: (228) [system] char_type(r, space)
   Call: (228) [system] arg(_1529702, v('(', ')', end_of_file), r)
   Fail: (228) [system] arg(_1530634, v('(', ')', end_of_file), r)
^  Fail: (227) [user] is_delimiter(r)
   Call: (227) [system] ')'==r
   Fail: (227) [system] ')'==r
   Call: (227) [system] get_char((0x55772f068e50), r)
   Exit: (227) [system] get_char((0x55772f068e50), r)
   Call: (227) [system] r=(\)
   Fail: (227) [system] r=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1537984)
   Call: (228) [system] peek_char((0x55772f068e50), _1538918)
   Exit: (228) [system] peek_char((0x55772f068e50), 'L')
^  Call: (228) [user] is_delimiter('L')
   Call: (229) [system] char_type('L', space)
   Fail: (229) [system] char_type('L', space)
   Call: (229) [system] arg(_1543638, v('(', ')', end_of_file), 'L')
   Fail: (229) [system] arg(_1544570, v('(', ')', end_of_file), 'L')
^  Fail: (228) [user] is_delimiter('L')
   Call: (228) [system] ')'=='L'
   Fail: (228) [system] ')'=='L'
   Call: (228) [system] get_char((0x55772f068e50), 'L')
   Exit: (228) [system] get_char((0x55772f068e50), 'L')
   Call: (228) [system] 'L'=(\)
   Fail: (228) [system] 'L'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1551920)
   Call: (229) [system] peek_char((0x55772f068e50), _1552854)
   Exit: (229) [system] peek_char((0x55772f068e50), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1557574, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1558506, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x55772f068e50), i)
   Exit: (229) [system] get_char((0x55772f068e50), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1565856)
   Call: (230) [system] peek_char((0x55772f068e50), _1566790)
   Exit: (230) [system] peek_char((0x55772f068e50), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1571510, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1572442, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x55772f068e50), n)
   Exit: (230) [system] get_char((0x55772f068e50), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1579792)
   Call: (231) [system] peek_char((0x55772f068e50), _1580726)
   Exit: (231) [system] peek_char((0x55772f068e50), k)
^  Call: (231) [user] is_delimiter(k)
   Call: (232) [system] char_type(k, space)
   Fail: (232) [system] char_type(k, space)
   Call: (232) [system] arg(_1585446, v('(', ')', end_of_file), k)
   Fail: (232) [system] arg(_1586378, v('(', ')', end_of_file), k)
^  Fail: (231) [user] is_delimiter(k)
   Call: (231) [system] ')'==k
   Fail: (231) [system] ')'==k
   Call: (231) [system] get_char((0x55772f068e50), k)
   Exit: (231) [system] get_char((0x55772f068e50), k)
   Call: (231) [system] k=(\)
   Fail: (231) [system] k=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1593728)
   Call: (232) [system] peek_char((0x55772f068e50), _1594662)
   Exit: (232) [system] peek_char((0x55772f068e50), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1593728=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (231) [system] _1579792=[k]
   Exit: (231) [system] [k]=[k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (230) [system] _1565856=[n, k]
   Exit: (230) [system] [n, k]=[n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (229) [system] _1551920=[i, n, k]
   Exit: (229) [system] [i, n, k]=[i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (228) [system] _1537984=['L', i, n, k]
   Exit: (228) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (227) [system] _1524048=[r, 'L', i, n, k]
   Exit: (227) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (226) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1488538)
^  Call: (227) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1617916)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1618868, _1618870), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1617916), _1618850, fail)), '$restore_trace'(_1618868, _1618870))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1618868, _1618870))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1617916), _1618850, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1617916)
   Fail: (228) [system] atomic(_1617916)
   Call: (228) [system] atom_chars(_1617916, ['O', r, 'L', i, n, k])
   Exit: (228) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (227) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (227) [system] integer('OrLink')
   Fail: (227) [system] integer('OrLink')
   Call: (227) [system] _1488538='OrLink'
   Exit: (227) [system] 'OrLink'='OrLink'
^  Exit: (226) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (225) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (224) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (224) [user] read_list(')', (0x55772f068e50), _1632866)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1634724)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x55772f068e50), _1644318)
   Exit: (226) [system] get_char((0x55772f068e50), ' ')
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1647022)
   Exit: (227) [system] peek_char((0x55772f068e50), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1663956)
   Exit: (225) [system] peek_char((0x55772f068e50), '(')
   Call: (225) [system] '('=')'
   Fail: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
   Fail: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x55772f068e50), _1669526)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1671384)
   Exit: (227) [system] peek_char((0x55772f068e50), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] get_char((0x55772f068e50), _1687394)
   Exit: (226) [system] get_char((0x55772f068e50), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x55772f068e50), _1669526)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1692964)
   Exit: (228) [system] peek_char((0x55772f068e50), 'I')
   Call: (228) [system] 'I'=(;)
   Fail: (228) [system] 'I'=(;)
   Call: (228) [system] 'I'=(/)
   Fail: (228) [system] 'I'=(/)
^  Call: (228) [user] is_like_space('I')
   Call: (229) [system] char_type('I', 'white')
   Fail: (229) [system] char_type('I', 'white')
   Call: (229) [system] char_type('I', end_of_line)
   Fail: (229) [system] char_type('I', end_of_line)
   Call: (229) [system] char_type('I', space)
   Fail: (229) [system] char_type('I', space)
   Call: (229) [system] char_type('I', cntrl)
   Fail: (229) [system] char_type('I', cntrl)
^  Fail: (228) [user] is_like_space('I')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1708974)
   Exit: (227) [system] peek_char((0x55772f068e50), 'I')
   Call: (227) [system] 'I'=')'
   Fail: (227) [system] 'I'=')'
   Call: (227) [system] 'I'=end_of_file
   Fail: (227) [system] 'I'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x55772f068e50), _1714544)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1716402)
   Exit: (229) [system] peek_char((0x55772f068e50), 'I')
   Call: (229) [system] 'I'=(;)
   Fail: (229) [system] 'I'=(;)
   Call: (229) [system] 'I'=(/)
   Fail: (229) [system] 'I'=(/)
^  Call: (229) [user] is_like_space('I')
   Call: (230) [system] char_type('I', 'white')
   Fail: (230) [system] char_type('I', 'white')
   Call: (230) [system] char_type('I', end_of_line)
   Fail: (230) [system] char_type('I', end_of_line)
   Call: (230) [system] char_type('I', space)
   Fail: (230) [system] char_type('I', space)
   Call: (230) [system] char_type('I', cntrl)
   Fail: (230) [system] char_type('I', cntrl)
^  Fail: (229) [user] is_like_space('I')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] get_char((0x55772f068e50), _1732412)
   Exit: (228) [system] get_char((0x55772f068e50), 'I')
   Call: (228) [system] 'I'='('
   Fail: (228) [system] 'I'='('
   Call: (228) [system] 'I'='['
   Fail: (228) [system] 'I'='['
   Call: (228) [system] 'I'='{'
   Fail: (228) [system] 'I'='{'
   Call: (228) [system] 'I'='"'
   Fail: (228) [system] 'I'='"'
   Call: (228) [system] 'I'=!
   Fail: (228) [system] 'I'=!
   Call: (228) [system] 'I'='\''
   Fail: (228) [system] 'I'='\''
   Call: (228) [system] 'I'='`'
   Fail: (228) [system] 'I'='`'
   Call: (228) [system] 'I'=end_of_file
   Fail: (228) [system] 'I'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x55772f068e50), 'I', _1714544)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1750054)
   Call: (230) [system] peek_char((0x55772f068e50), _1750988)
   Exit: (230) [system] peek_char((0x55772f068e50), m)
^  Call: (230) [user] is_delimiter(m)
   Call: (231) [system] char_type(m, space)
   Fail: (231) [system] char_type(m, space)
   Call: (231) [system] arg(_1755708, v('(', ')', end_of_file), m)
   Fail: (231) [system] arg(_1756640, v('(', ')', end_of_file), m)
^  Fail: (230) [user] is_delimiter(m)
   Call: (230) [system] ')'==m
   Fail: (230) [system] ')'==m
   Call: (230) [system] get_char((0x55772f068e50), m)
   Exit: (230) [system] get_char((0x55772f068e50), m)
   Call: (230) [system] m=(\)
   Fail: (230) [system] m=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1763990)
   Call: (231) [system] peek_char((0x55772f068e50), _1764924)
   Exit: (231) [system] peek_char((0x55772f068e50), p)
^  Call: (231) [user] is_delimiter(p)
   Call: (232) [system] char_type(p, space)
   Fail: (232) [system] char_type(p, space)
   Call: (232) [system] arg(_1769644, v('(', ')', end_of_file), p)
   Fail: (232) [system] arg(_1770576, v('(', ')', end_of_file), p)
^  Fail: (231) [user] is_delimiter(p)
   Call: (231) [system] ')'==p
   Fail: (231) [system] ')'==p
   Call: (231) [system] get_char((0x55772f068e50), p)
   Exit: (231) [system] get_char((0x55772f068e50), p)
   Call: (231) [system] p=(\)
   Fail: (231) [system] p=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1777926)
   Call: (232) [system] peek_char((0x55772f068e50), _1778860)
   Exit: (232) [system] peek_char((0x55772f068e50), l)
^  Call: (232) [user] is_delimiter(l)
   Call: (233) [system] char_type(l, space)
   Fail: (233) [system] char_type(l, space)
   Call: (233) [system] arg(_1783580, v('(', ')', end_of_file), l)
   Fail: (233) [system] arg(_1784512, v('(', ')', end_of_file), l)
^  Fail: (232) [user] is_delimiter(l)
   Call: (232) [system] ')'==l
   Fail: (232) [system] ')'==l
   Call: (232) [system] get_char((0x55772f068e50), l)
   Exit: (232) [system] get_char((0x55772f068e50), l)
   Call: (232) [system] l=(\)
   Fail: (232) [system] l=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1791862)
   Call: (233) [system] peek_char((0x55772f068e50), _1792796)
   Exit: (233) [system] peek_char((0x55772f068e50), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_1797516, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_1798448, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x55772f068e50), i)
   Exit: (233) [system] get_char((0x55772f068e50), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1805798)
   Call: (234) [system] peek_char((0x55772f068e50), _1806732)
   Exit: (234) [system] peek_char((0x55772f068e50), c)
^  Call: (234) [user] is_delimiter(c)
   Call: (235) [system] char_type(c, space)
   Fail: (235) [system] char_type(c, space)
   Call: (235) [system] arg(_1811452, v('(', ')', end_of_file), c)
   Fail: (235) [system] arg(_1812384, v('(', ')', end_of_file), c)
^  Fail: (234) [user] is_delimiter(c)
   Call: (234) [system] ')'==c
   Fail: (234) [system] ')'==c
   Call: (234) [system] get_char((0x55772f068e50), c)
   Exit: (234) [system] get_char((0x55772f068e50), c)
   Call: (234) [system] c=(\)
   Fail: (234) [system] c=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1819734)
   Call: (235) [system] peek_char((0x55772f068e50), _1820668)
   Exit: (235) [system] peek_char((0x55772f068e50), a)
^  Call: (235) [user] is_delimiter(a)
   Call: (236) [system] char_type(a, space)
   Fail: (236) [system] char_type(a, space)
   Call: (236) [system] arg(_1825388, v('(', ')', end_of_file), a)
   Fail: (236) [system] arg(_1826320, v('(', ')', end_of_file), a)
^  Fail: (235) [user] is_delimiter(a)
   Call: (235) [system] ')'==a
   Fail: (235) [system] ')'==a
   Call: (235) [system] get_char((0x55772f068e50), a)
   Exit: (235) [system] get_char((0x55772f068e50), a)
   Call: (235) [system] a=(\)
   Fail: (235) [system] a=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1833670)
   Call: (236) [system] peek_char((0x55772f068e50), _1834604)
   Exit: (236) [system] peek_char((0x55772f068e50), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Fail: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_1839324, v('(', ')', end_of_file), t)
   Fail: (237) [system] arg(_1840256, v('(', ')', end_of_file), t)
^  Fail: (236) [user] is_delimiter(t)
   Call: (236) [system] ')'==t
   Fail: (236) [system] ')'==t
   Call: (236) [system] get_char((0x55772f068e50), t)
   Exit: (236) [system] get_char((0x55772f068e50), t)
   Call: (236) [system] t=(\)
   Fail: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1847606)
   Call: (237) [system] peek_char((0x55772f068e50), _1848540)
   Exit: (237) [system] peek_char((0x55772f068e50), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Fail: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_1853260, v('(', ')', end_of_file), i)
   Fail: (238) [system] arg(_1854192, v('(', ')', end_of_file), i)
^  Fail: (237) [user] is_delimiter(i)
   Call: (237) [system] ')'==i
   Fail: (237) [system] ')'==i
   Call: (237) [system] get_char((0x55772f068e50), i)
   Exit: (237) [system] get_char((0x55772f068e50), i)
   Call: (237) [system] i=(\)
   Fail: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _1861542)
   Call: (238) [system] peek_char((0x55772f068e50), _1862476)
   Exit: (238) [system] peek_char((0x55772f068e50), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Fail: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_1867196, v('(', ')', end_of_file), o)
   Fail: (239) [system] arg(_1868128, v('(', ')', end_of_file), o)
^  Fail: (238) [user] is_delimiter(o)
   Call: (238) [system] ')'==o
   Fail: (238) [system] ')'==o
   Call: (238) [system] get_char((0x55772f068e50), o)
   Exit: (238) [system] get_char((0x55772f068e50), o)
   Call: (238) [system] o=(\)
   Fail: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _1875478)
   Call: (239) [system] peek_char((0x55772f068e50), _1876412)
   Exit: (239) [system] peek_char((0x55772f068e50), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Fail: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_1881132, v('(', ')', end_of_file), n)
   Fail: (240) [system] arg(_1882064, v('(', ')', end_of_file), n)
^  Fail: (239) [user] is_delimiter(n)
   Call: (239) [system] ')'==n
   Fail: (239) [system] ')'==n
   Call: (239) [system] get_char((0x55772f068e50), n)
   Exit: (239) [system] get_char((0x55772f068e50), n)
   Call: (239) [system] n=(\)
   Fail: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _1889414)
   Call: (240) [system] peek_char((0x55772f068e50), _1890348)
   Exit: (240) [system] peek_char((0x55772f068e50), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _1889414=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (239) [system] _1875478=[n]
   Exit: (239) [system] [n]=[n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (238) [system] _1861542=[o, n]
   Exit: (238) [system] [o, n]=[o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (237) [system] _1847606=[i, o, n]
   Exit: (237) [system] [i, o, n]=[i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (236) [system] _1833670=[t, i, o, n]
   Exit: (236) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (235) [system] _1819734=[a, t, i, o, n]
   Exit: (235) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (234) [system] _1805798=[c, a, t, i, o, n]
   Exit: (234) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (233) [system] _1791862=[i, c, a, t, i, o, n]
   Exit: (233) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (232) [system] _1777926=[l, i, c, a, t, i, o, n]
   Exit: (232) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (231) [system] _1763990=[p, l, i, c, a, t, i, o, n]
   Exit: (231) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (230) [system] _1750054=[m, p, l, i, c, a, t, i, o, n]
   Exit: (230) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (229) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1714544)
^  Call: (230) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1927572)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1928524, _1928526), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1927572), _1928506, fail)), '$restore_trace'(_1928524, _1928526))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1928524, _1928526))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1927572), _1928506, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1927572)
   Fail: (231) [system] atomic(_1927572)
   Call: (231) [system] atom_chars(_1927572, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (231) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (230) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (230) [system] integer('Implication')
   Fail: (230) [system] integer('Implication')
   Call: (230) [system] _1714544='Implication'
   Exit: (230) [system] 'Implication'='Implication'
^  Exit: (229) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (228) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (227) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (227) [user] read_list(')', (0x55772f068e50), _1942522)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1944380)
   Exit: (229) [system] peek_char((0x55772f068e50), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x55772f068e50), _1953974)
   Exit: (229) [system] get_char((0x55772f068e50), ' ')
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1956678)
   Exit: (230) [system] peek_char((0x55772f068e50), '(')
   Call: (230) [system] '('=(;)
   Fail: (230) [system] '('=(;)
   Call: (230) [system] '('=(/)
   Fail: (230) [system] '('=(/)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Fail: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Fail: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Fail: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
   Fail: (231) [system] char_type('(', cntrl)
^  Fail: (230) [user] is_like_space('(')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1973612)
   Exit: (228) [system] peek_char((0x55772f068e50), '(')
   Call: (228) [system] '('=')'
   Fail: (228) [system] '('=')'
   Call: (228) [system] '('=end_of_file
   Fail: (228) [system] '('=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x55772f068e50), _1979182)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1981040)
   Exit: (230) [system] peek_char((0x55772f068e50), '(')
   Call: (230) [system] '('=(;)
   Fail: (230) [system] '('=(;)
   Call: (230) [system] '('=(/)
   Fail: (230) [system] '('=(/)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Fail: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Fail: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Fail: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
   Fail: (231) [system] char_type('(', cntrl)
^  Fail: (230) [user] is_like_space('(')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] get_char((0x55772f068e50), _1997050)
   Exit: (229) [system] get_char((0x55772f068e50), '(')
   Call: (229) [system] '('='('
   Exit: (229) [system] '('='('
^  Call: (229) [user] read_list(')', (0x55772f068e50), _1979182)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _2002620)
   Exit: (231) [system] peek_char((0x55772f068e50), 'O')
   Call: (231) [system] 'O'=(;)
   Fail: (231) [system] 'O'=(;)
   Call: (231) [system] 'O'=(/)
   Fail: (231) [system] 'O'=(/)
^  Call: (231) [user] is_like_space('O')
   Call: (232) [system] char_type('O', 'white')
   Fail: (232) [system] char_type('O', 'white')
   Call: (232) [system] char_type('O', end_of_line)
   Fail: (232) [system] char_type('O', end_of_line)
   Call: (232) [system] char_type('O', space)
   Fail: (232) [system] char_type('O', space)
   Call: (232) [system] char_type('O', cntrl)
   Fail: (232) [system] char_type('O', cntrl)
^  Fail: (231) [user] is_like_space('O')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _2018630)
   Exit: (230) [system] peek_char((0x55772f068e50), 'O')
   Call: (230) [system] 'O'=')'
   Fail: (230) [system] 'O'=')'
   Call: (230) [system] 'O'=end_of_file
   Fail: (230) [system] 'O'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x55772f068e50), _2024200)
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _2026058)
   Exit: (232) [system] peek_char((0x55772f068e50), 'O')
   Call: (232) [system] 'O'=(;)
   Fail: (232) [system] 'O'=(;)
   Call: (232) [system] 'O'=(/)
   Fail: (232) [system] 'O'=(/)
^  Call: (232) [user] is_like_space('O')
   Call: (233) [system] char_type('O', 'white')
   Fail: (233) [system] char_type('O', 'white')
   Call: (233) [system] char_type('O', end_of_line)
   Fail: (233) [system] char_type('O', end_of_line)
   Call: (233) [system] char_type('O', space)
   Fail: (233) [system] char_type('O', space)
   Call: (233) [system] char_type('O', cntrl)
   Fail: (233) [system] char_type('O', cntrl)
^  Fail: (232) [user] is_like_space('O')
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] get_char((0x55772f068e50), _2042068)
   Exit: (231) [system] get_char((0x55772f068e50), 'O')
   Call: (231) [system] 'O'='('
   Fail: (231) [system] 'O'='('
   Call: (231) [system] 'O'='['
   Fail: (231) [system] 'O'='['
   Call: (231) [system] 'O'='{'
   Fail: (231) [system] 'O'='{'
   Call: (231) [system] 'O'='"'
   Fail: (231) [system] 'O'='"'
   Call: (231) [system] 'O'=!
   Fail: (231) [system] 'O'=!
   Call: (231) [system] 'O'='\''
   Fail: (231) [system] 'O'='\''
   Call: (231) [system] 'O'='`'
   Fail: (231) [system] 'O'='`'
   Call: (231) [system] 'O'=end_of_file
   Fail: (231) [system] 'O'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x55772f068e50), 'O', _2024200)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _2059710)
   Call: (233) [system] peek_char((0x55772f068e50), _2060644)
   Exit: (233) [system] peek_char((0x55772f068e50), r)
^  Call: (233) [user] is_delimiter(r)
   Call: (234) [system] char_type(r, space)
   Fail: (234) [system] char_type(r, space)
   Call: (234) [system] arg(_2065364, v('(', ')', end_of_file), r)
   Fail: (234) [system] arg(_2066296, v('(', ')', end_of_file), r)
^  Fail: (233) [user] is_delimiter(r)
   Call: (233) [system] ')'==r
   Fail: (233) [system] ')'==r
   Call: (233) [system] get_char((0x55772f068e50), r)
   Exit: (233) [system] get_char((0x55772f068e50), r)
   Call: (233) [system] r=(\)
   Fail: (233) [system] r=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _2073646)
   Call: (234) [system] peek_char((0x55772f068e50), _2074580)
   Exit: (234) [system] peek_char((0x55772f068e50), 'L')
^  Call: (234) [user] is_delimiter('L')
   Call: (235) [system] char_type('L', space)
   Fail: (235) [system] char_type('L', space)
   Call: (235) [system] arg(_2079300, v('(', ')', end_of_file), 'L')
   Fail: (235) [system] arg(_2080232, v('(', ')', end_of_file), 'L')
^  Fail: (234) [user] is_delimiter('L')
   Call: (234) [system] ')'=='L'
   Fail: (234) [system] ')'=='L'
   Call: (234) [system] get_char((0x55772f068e50), 'L')
   Exit: (234) [system] get_char((0x55772f068e50), 'L')
   Call: (234) [system] 'L'=(\)
   Fail: (234) [system] 'L'=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _2087582)
   Call: (235) [system] peek_char((0x55772f068e50), _2088516)
   Exit: (235) [system] peek_char((0x55772f068e50), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Fail: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_2093236, v('(', ')', end_of_file), i)
   Fail: (236) [system] arg(_2094168, v('(', ')', end_of_file), i)
^  Fail: (235) [user] is_delimiter(i)
   Call: (235) [system] ')'==i
   Fail: (235) [system] ')'==i
   Call: (235) [system] get_char((0x55772f068e50), i)
   Exit: (235) [system] get_char((0x55772f068e50), i)
   Call: (235) [system] i=(\)
   Fail: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _10774)
   Call: (236) [system] peek_char((0x55772f068e50), _11708)
   Exit: (236) [system] peek_char((0x55772f068e50), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_16428, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_17360, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x55772f068e50), n)
   Exit: (236) [system] get_char((0x55772f068e50), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _24710)
   Call: (237) [system] peek_char((0x55772f068e50), _25644)
   Exit: (237) [system] peek_char((0x55772f068e50), k)
^  Call: (237) [user] is_delimiter(k)
   Call: (238) [system] char_type(k, space)
   Fail: (238) [system] char_type(k, space)
   Call: (238) [system] arg(_30364, v('(', ')', end_of_file), k)
   Fail: (238) [system] arg(_31296, v('(', ')', end_of_file), k)
^  Fail: (237) [user] is_delimiter(k)
   Call: (237) [system] ')'==k
   Fail: (237) [system] ')'==k
   Call: (237) [system] get_char((0x55772f068e50), k)
   Exit: (237) [system] get_char((0x55772f068e50), k)
   Call: (237) [system] k=(\)
   Fail: (237) [system] k=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _38646)
   Call: (238) [system] peek_char((0x55772f068e50), _39580)
   Exit: (238) [system] peek_char((0x55772f068e50), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _38646=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (237) [system] _24710=[k]
   Exit: (237) [system] [k]=[k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (236) [system] _10774=[n, k]
   Exit: (236) [system] [n, k]=[n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (235) [system] _6182=[i, n, k]
   Exit: (235) [system] [i, n, k]=[i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (234) [system] _6178=['L', i, n, k]
   Exit: (234) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (233) [system] _6174=[r, 'L', i, n, k]
   Exit: (233) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (232) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _6170)
^  Call: (233) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _62834)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_63786, _63788), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _62834), _63768, fail)), '$restore_trace'(_63786, _63788))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_63786, _63788))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _62834), _63768, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_62834)
   Fail: (234) [system] atomic(_62834)
   Call: (234) [system] atom_chars(_62834, ['O', r, 'L', i, n, k])
   Exit: (234) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (233) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (233) [system] integer('OrLink')
   Fail: (233) [system] integer('OrLink')
   Call: (233) [system] _6170='OrLink'
   Exit: (233) [system] 'OrLink'='OrLink'
^  Exit: (232) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (231) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (230) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (230) [user] read_list(')', (0x55772f068e50), _77784)
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _79642)
   Exit: (232) [system] peek_char((0x55772f068e50), ' ')
   Call: (232) [system] ' '=(;)
   Fail: (232) [system] ' '=(;)
   Call: (232) [system] ' '=(/)
   Fail: (232) [system] ' '=(/)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x55772f068e50), _89236)
   Exit: (232) [system] get_char((0x55772f068e50), ' ')
^  Call: (232) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _91940)
   Exit: (233) [system] peek_char((0x55772f068e50), 'C')
   Call: (233) [system] 'C'=(;)
   Fail: (233) [system] 'C'=(;)
   Call: (233) [system] 'C'=(/)
   Fail: (233) [system] 'C'=(/)
^  Call: (233) [user] is_like_space('C')
   Call: (234) [system] char_type('C', 'white')
   Fail: (234) [system] char_type('C', 'white')
   Call: (234) [system] char_type('C', end_of_line)
   Fail: (234) [system] char_type('C', end_of_line)
   Call: (234) [system] char_type('C', space)
   Fail: (234) [system] char_type('C', space)
   Call: (234) [system] char_type('C', cntrl)
   Fail: (234) [system] char_type('C', cntrl)
^  Fail: (233) [user] is_like_space('C')
^  Exit: (232) [user] skip_spaces((0x55772f068e50))
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _108874)
   Exit: (231) [system] peek_char((0x55772f068e50), 'C')
   Call: (231) [system] 'C'=')'
   Fail: (231) [system] 'C'=')'
   Call: (231) [system] 'C'=end_of_file
   Fail: (231) [system] 'C'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x55772f068e50), _114444)
^  Call: (232) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _116302)
   Exit: (233) [system] peek_char((0x55772f068e50), 'C')
   Call: (233) [system] 'C'=(;)
   Fail: (233) [system] 'C'=(;)
   Call: (233) [system] 'C'=(/)
   Fail: (233) [system] 'C'=(/)
^  Call: (233) [user] is_like_space('C')
   Call: (234) [system] char_type('C', 'white')
   Fail: (234) [system] char_type('C', 'white')
   Call: (234) [system] char_type('C', end_of_line)
   Fail: (234) [system] char_type('C', end_of_line)
   Call: (234) [system] char_type('C', space)
   Fail: (234) [system] char_type('C', space)
   Call: (234) [system] char_type('C', cntrl)
   Fail: (234) [system] char_type('C', cntrl)
^  Fail: (233) [user] is_like_space('C')
^  Exit: (232) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] get_char((0x55772f068e50), _132312)
   Exit: (232) [system] get_char((0x55772f068e50), 'C')
   Call: (232) [system] 'C'='('
   Fail: (232) [system] 'C'='('
   Call: (232) [system] 'C'='['
   Fail: (232) [system] 'C'='['
   Call: (232) [system] 'C'='{'
   Fail: (232) [system] 'C'='{'
   Call: (232) [system] 'C'='"'
   Fail: (232) [system] 'C'='"'
   Call: (232) [system] 'C'=!
   Fail: (232) [system] 'C'=!
   Call: (232) [system] 'C'='\''
   Fail: (232) [system] 'C'='\''
   Call: (232) [system] 'C'='`'
   Fail: (232) [system] 'C'='`'
   Call: (232) [system] 'C'=end_of_file
   Fail: (232) [system] 'C'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x55772f068e50), 'C', _114444)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _149954)
   Call: (234) [system] peek_char((0x55772f068e50), _150888)
   Exit: (234) [system] peek_char((0x55772f068e50), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _149954=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (233) [user] classify_and_convert_charseq(['C'], _114444)
^  Call: (234) [user] classify_and_convert_charseq_(['C'], _160172)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_161124, _161126), once(user:catch(read_from_chars(['C'], _160172), _161106, fail)), '$restore_trace'(_161124, _161126))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_161124, _161126))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _160172), _161106, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_160172)
   Fail: (235) [system] atomic(_160172)
   Call: (235) [system] atom_chars(_160172, ['C'])
   Exit: (235) [system] atom_chars('C', ['C'])
^  Exit: (234) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (234) [system] integer('C')
   Fail: (234) [system] integer('C')
   Call: (234) [system] _114444='C'
   Exit: (234) [system] 'C'='C'
^  Exit: (233) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (232) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (231) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (231) [user] read_list(')', (0x55772f068e50), _175122)
^  Call: (232) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _176980)
   Exit: (233) [system] peek_char((0x55772f068e50), ' ')
   Call: (233) [system] ' '=(;)
   Fail: (233) [system] ' '=(;)
   Call: (233) [system] ' '=(/)
   Fail: (233) [system] ' '=(/)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x55772f068e50), _186574)
   Exit: (233) [system] get_char((0x55772f068e50), ' ')
^  Call: (233) [user] skip_spaces((0x55772f068e50))
   Call: (234) [system] peek_char((0x55772f068e50), _189278)
   Exit: (234) [system] peek_char((0x55772f068e50), 'D')
   Call: (234) [system] 'D'=(;)
   Fail: (234) [system] 'D'=(;)
   Call: (234) [system] 'D'=(/)
   Fail: (234) [system] 'D'=(/)
^  Call: (234) [user] is_like_space('D')
   Call: (235) [system] char_type('D', 'white')
   Fail: (235) [system] char_type('D', 'white')
   Call: (235) [system] char_type('D', end_of_line)
   Fail: (235) [system] char_type('D', end_of_line)
   Call: (235) [system] char_type('D', space)
   Fail: (235) [system] char_type('D', space)
   Call: (235) [system] char_type('D', cntrl)
   Fail: (235) [system] char_type('D', cntrl)
^  Fail: (234) [user] is_like_space('D')
^  Exit: (233) [user] skip_spaces((0x55772f068e50))
^  Exit: (232) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _206212)
   Exit: (232) [system] peek_char((0x55772f068e50), 'D')
   Call: (232) [system] 'D'=')'
   Fail: (232) [system] 'D'=')'
   Call: (232) [system] 'D'=end_of_file
   Fail: (232) [system] 'D'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x55772f068e50), _211782)
^  Call: (233) [user] skip_spaces((0x55772f068e50))
   Call: (234) [system] peek_char((0x55772f068e50), _213640)
   Exit: (234) [system] peek_char((0x55772f068e50), 'D')
   Call: (234) [system] 'D'=(;)
   Fail: (234) [system] 'D'=(;)
   Call: (234) [system] 'D'=(/)
   Fail: (234) [system] 'D'=(/)
^  Call: (234) [user] is_like_space('D')
   Call: (235) [system] char_type('D', 'white')
   Fail: (235) [system] char_type('D', 'white')
   Call: (235) [system] char_type('D', end_of_line)
   Fail: (235) [system] char_type('D', end_of_line)
   Call: (235) [system] char_type('D', space)
   Fail: (235) [system] char_type('D', space)
   Call: (235) [system] char_type('D', cntrl)
   Fail: (235) [system] char_type('D', cntrl)
^  Fail: (234) [user] is_like_space('D')
^  Exit: (233) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] get_char((0x55772f068e50), _229650)
   Exit: (233) [system] get_char((0x55772f068e50), 'D')
   Call: (233) [system] 'D'='('
   Fail: (233) [system] 'D'='('
   Call: (233) [system] 'D'='['
   Fail: (233) [system] 'D'='['
   Call: (233) [system] 'D'='{'
   Fail: (233) [system] 'D'='{'
   Call: (233) [system] 'D'='"'
   Fail: (233) [system] 'D'='"'
   Call: (233) [system] 'D'=!
   Fail: (233) [system] 'D'=!
   Call: (233) [system] 'D'='\''
   Fail: (233) [system] 'D'='\''
   Call: (233) [system] 'D'='`'
   Fail: (233) [system] 'D'='`'
   Call: (233) [system] 'D'=end_of_file
   Fail: (233) [system] 'D'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x55772f068e50), 'D', _211782)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _247292)
   Call: (235) [system] peek_char((0x55772f068e50), _248226)
   Exit: (235) [system] peek_char((0x55772f068e50), ')')
^  Call: (235) [user] is_delimiter(')')
   Call: (236) [system] char_type(')', space)
   Fail: (236) [system] char_type(')', space)
   Call: (236) [system] arg(_252946, v('(', ')', end_of_file), ')')
   Exit: (236) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (235) [user] is_delimiter(')')
   Call: (235) [system] _247292=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (234) [user] classify_and_convert_charseq(['D'], _211782)
^  Call: (235) [user] classify_and_convert_charseq_(['D'], _259382)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_260334, _260336), once(user:catch(read_from_chars(['D'], _259382), _260316, fail)), '$restore_trace'(_260334, _260336))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_260334, _260336))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _259382), _260316, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(_259382)
   Fail: (236) [system] atomic(_259382)
   Call: (236) [system] atom_chars(_259382, ['D'])
   Exit: (236) [system] atom_chars('D', ['D'])
^  Exit: (235) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (235) [system] integer('D')
   Fail: (235) [system] integer('D')
   Call: (235) [system] _211782='D'
   Exit: (235) [system] 'D'='D'
^  Exit: (234) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (233) [user] read_symbolic(')', (0x55772f068e50), 'D', 'D')
^  Exit: (232) [user] cont_sexpr(')', (0x55772f068e50), 'D')
^  Call: (232) [user] read_list(')', (0x55772f068e50), _274332)
^  Call: (233) [user] skip_spaces((0x55772f068e50))
   Call: (234) [system] peek_char((0x55772f068e50), _276190)
   Exit: (234) [system] peek_char((0x55772f068e50), ')')
   Call: (234) [system] ')'=(;)
   Fail: (234) [system] ')'=(;)
   Call: (234) [system] ')'=(/)
   Fail: (234) [system] ')'=(/)
^  Call: (234) [user] is_like_space(')')
   Call: (235) [system] char_type(')', 'white')
   Fail: (235) [system] char_type(')', 'white')
   Call: (235) [system] char_type(')', end_of_line)
   Fail: (235) [system] char_type(')', end_of_line)
   Call: (235) [system] char_type(')', space)
   Fail: (235) [system] char_type(')', space)
   Call: (235) [system] char_type(')', cntrl)
   Fail: (235) [system] char_type(')', cntrl)
^  Fail: (234) [user] is_like_space(')')
^  Exit: (233) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _292200)
   Exit: (233) [system] peek_char((0x55772f068e50), ')')
   Call: (233) [system] ')'=')'
   Exit: (233) [system] ')'=')'
   Call: (233) [system] get_char((0x55772f068e50), _295990)
   Exit: (233) [system] get_char((0x55772f068e50), ')')
   Call: (233) [system] _274332=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_list(')', (0x55772f068e50), [])
   Call: (232) [system] _175122=['D']
   Exit: (232) [system] ['D']=['D']
^  Exit: (231) [user] read_list(')', (0x55772f068e50), ['D'])
   Call: (231) [system] _77784=['C', 'D']
   Exit: (231) [system] ['C', 'D']=['C', 'D']
^  Exit: (230) [user] read_list(')', (0x55772f068e50), ['C', 'D'])
   Call: (230) [system] _6164=['OrLink', 'C', 'D']
   Exit: (230) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (229) [user] read_list(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Exit: (228) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'C', 'D'])
^  Call: (228) [user] read_list(')', (0x55772f068e50), _309872)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _311730)
   Exit: (230) [system] peek_char((0x55772f068e50), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
   Call: (230) [system] ' '=(/)
   Fail: (230) [system] ' '=(/)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x55772f068e50), _321324)
   Exit: (230) [system] get_char((0x55772f068e50), ' ')
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _324028)
   Exit: (231) [system] peek_char((0x55772f068e50), 'E')
   Call: (231) [system] 'E'=(;)
   Fail: (231) [system] 'E'=(;)
   Call: (231) [system] 'E'=(/)
   Fail: (231) [system] 'E'=(/)
^  Call: (231) [user] is_like_space('E')
   Call: (232) [system] char_type('E', 'white')
   Fail: (232) [system] char_type('E', 'white')
   Call: (232) [system] char_type('E', end_of_line)
   Fail: (232) [system] char_type('E', end_of_line)
   Call: (232) [system] char_type('E', space)
   Fail: (232) [system] char_type('E', space)
   Call: (232) [system] char_type('E', cntrl)
   Fail: (232) [system] char_type('E', cntrl)
^  Fail: (231) [user] is_like_space('E')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _340962)
   Exit: (229) [system] peek_char((0x55772f068e50), 'E')
   Call: (229) [system] 'E'=')'
   Fail: (229) [system] 'E'=')'
   Call: (229) [system] 'E'=end_of_file
   Fail: (229) [system] 'E'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x55772f068e50), _346532)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _348390)
   Exit: (231) [system] peek_char((0x55772f068e50), 'E')
   Call: (231) [system] 'E'=(;)
   Fail: (231) [system] 'E'=(;)
   Call: (231) [system] 'E'=(/)
   Fail: (231) [system] 'E'=(/)
^  Call: (231) [user] is_like_space('E')
   Call: (232) [system] char_type('E', 'white')
   Fail: (232) [system] char_type('E', 'white')
   Call: (232) [system] char_type('E', end_of_line)
   Fail: (232) [system] char_type('E', end_of_line)
   Call: (232) [system] char_type('E', space)
   Fail: (232) [system] char_type('E', space)
   Call: (232) [system] char_type('E', cntrl)
   Fail: (232) [system] char_type('E', cntrl)
^  Fail: (231) [user] is_like_space('E')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] get_char((0x55772f068e50), _364400)
   Exit: (230) [system] get_char((0x55772f068e50), 'E')
   Call: (230) [system] 'E'='('
   Fail: (230) [system] 'E'='('
   Call: (230) [system] 'E'='['
   Fail: (230) [system] 'E'='['
   Call: (230) [system] 'E'='{'
   Fail: (230) [system] 'E'='{'
   Call: (230) [system] 'E'='"'
   Fail: (230) [system] 'E'='"'
   Call: (230) [system] 'E'=!
   Fail: (230) [system] 'E'=!
   Call: (230) [system] 'E'='\''
   Fail: (230) [system] 'E'='\''
   Call: (230) [system] 'E'='`'
   Fail: (230) [system] 'E'='`'
   Call: (230) [system] 'E'=end_of_file
   Fail: (230) [system] 'E'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x55772f068e50), 'E', _346532)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _382042)
   Call: (232) [system] peek_char((0x55772f068e50), _382976)
   Exit: (232) [system] peek_char((0x55772f068e50), ')')
^  Call: (232) [user] is_delimiter(')')
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] arg(_387696, v('(', ')', end_of_file), ')')
   Exit: (233) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (232) [user] is_delimiter(')')
   Call: (232) [system] _382042=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (231) [user] classify_and_convert_charseq(['E'], _346532)
^  Call: (232) [user] classify_and_convert_charseq_(['E'], _394132)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_395084, _395086), once(user:catch(read_from_chars(['E'], _394132), _395066, fail)), '$restore_trace'(_395084, _395086))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_395084, _395086))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _394132), _395066, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_394132)
   Fail: (233) [system] atomic(_394132)
   Call: (233) [system] atom_chars(_394132, ['E'])
   Exit: (233) [system] atom_chars('E', ['E'])
^  Exit: (232) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (232) [system] integer('E')
   Fail: (232) [system] integer('E')
   Call: (232) [system] _346532='E'
   Exit: (232) [system] 'E'='E'
^  Exit: (231) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (230) [user] read_symbolic(')', (0x55772f068e50), 'E', 'E')
^  Exit: (229) [user] cont_sexpr(')', (0x55772f068e50), 'E')
^  Call: (229) [user] read_list(')', (0x55772f068e50), _409082)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _410940)
   Exit: (231) [system] peek_char((0x55772f068e50), ')')
   Call: (231) [system] ')'=(;)
   Fail: (231) [system] ')'=(;)
   Call: (231) [system] ')'=(/)
   Fail: (231) [system] ')'=(/)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Fail: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Fail: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
   Fail: (232) [system] char_type(')', cntrl)
^  Fail: (231) [user] is_like_space(')')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _426950)
   Exit: (230) [system] peek_char((0x55772f068e50), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x55772f068e50), _430740)
   Exit: (230) [system] get_char((0x55772f068e50), ')')
   Call: (230) [system] _409082=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x55772f068e50), [])
   Call: (229) [system] _309872=['E']
   Exit: (229) [system] ['E']=['E']
^  Exit: (228) [user] read_list(')', (0x55772f068e50), ['E'])
   Call: (228) [system] _6160=[['OrLink', 'C', 'D'], 'E']
   Exit: (228) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (227) [user] read_list(')', (0x55772f068e50), [['OrLink', 'C', 'D'], 'E'])
   Call: (227) [system] _6152=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (227) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (226) [user] read_list(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (225) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (225) [user] read_list(')', (0x55772f068e50), _444622)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _446480)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x55772f068e50), _456074)
   Exit: (227) [system] get_char((0x55772f068e50), ' ')
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _458778)
   Exit: (228) [system] peek_char((0x55772f068e50), 'A')
   Call: (228) [system] 'A'=(;)
   Fail: (228) [system] 'A'=(;)
   Call: (228) [system] 'A'=(/)
   Fail: (228) [system] 'A'=(/)
^  Call: (228) [user] is_like_space('A')
   Call: (229) [system] char_type('A', 'white')
   Fail: (229) [system] char_type('A', 'white')
   Call: (229) [system] char_type('A', end_of_line)
   Fail: (229) [system] char_type('A', end_of_line)
   Call: (229) [system] char_type('A', space)
   Fail: (229) [system] char_type('A', space)
   Call: (229) [system] char_type('A', cntrl)
   Fail: (229) [system] char_type('A', cntrl)
^  Fail: (228) [user] is_like_space('A')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _475712)
   Exit: (226) [system] peek_char((0x55772f068e50), 'A')
   Call: (226) [system] 'A'=')'
   Fail: (226) [system] 'A'=')'
   Call: (226) [system] 'A'=end_of_file
   Fail: (226) [system] 'A'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x55772f068e50), _481282)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _483140)
   Exit: (228) [system] peek_char((0x55772f068e50), 'A')
   Call: (228) [system] 'A'=(;)
   Fail: (228) [system] 'A'=(;)
   Call: (228) [system] 'A'=(/)
   Fail: (228) [system] 'A'=(/)
^  Call: (228) [user] is_like_space('A')
   Call: (229) [system] char_type('A', 'white')
   Fail: (229) [system] char_type('A', 'white')
   Call: (229) [system] char_type('A', end_of_line)
   Fail: (229) [system] char_type('A', end_of_line)
   Call: (229) [system] char_type('A', space)
   Fail: (229) [system] char_type('A', space)
   Call: (229) [system] char_type('A', cntrl)
   Fail: (229) [system] char_type('A', cntrl)
^  Fail: (228) [user] is_like_space('A')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] get_char((0x55772f068e50), _499150)
   Exit: (227) [system] get_char((0x55772f068e50), 'A')
   Call: (227) [system] 'A'='('
   Fail: (227) [system] 'A'='('
   Call: (227) [system] 'A'='['
   Fail: (227) [system] 'A'='['
   Call: (227) [system] 'A'='{'
   Fail: (227) [system] 'A'='{'
   Call: (227) [system] 'A'='"'
   Fail: (227) [system] 'A'='"'
   Call: (227) [system] 'A'=!
   Fail: (227) [system] 'A'=!
   Call: (227) [system] 'A'='\''
   Fail: (227) [system] 'A'='\''
   Call: (227) [system] 'A'='`'
   Fail: (227) [system] 'A'='`'
   Call: (227) [system] 'A'=end_of_file
   Fail: (227) [system] 'A'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x55772f068e50), 'A', _481282)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _516792)
   Call: (229) [system] peek_char((0x55772f068e50), _517726)
   Exit: (229) [system] peek_char((0x55772f068e50), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_522446, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _516792=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (228) [user] classify_and_convert_charseq(['A'], _481282)
^  Call: (229) [user] classify_and_convert_charseq_(['A'], _528882)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_529834, _529836), once(user:catch(read_from_chars(['A'], _528882), _529816, fail)), '$restore_trace'(_529834, _529836))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_529834, _529836))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _528882), _529816, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_528882)
   Fail: (230) [system] atomic(_528882)
   Call: (230) [system] atom_chars(_528882, ['A'])
   Exit: (230) [system] atom_chars('A', ['A'])
^  Exit: (229) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (229) [system] integer('A')
   Fail: (229) [system] integer('A')
   Call: (229) [system] _481282='A'
   Exit: (229) [system] 'A'='A'
^  Exit: (228) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (227) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (226) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (226) [user] read_list(')', (0x55772f068e50), _543832)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _545690)
   Exit: (228) [system] peek_char((0x55772f068e50), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
   Call: (228) [system] ')'=(/)
   Fail: (228) [system] ')'=(/)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _561700)
   Exit: (227) [system] peek_char((0x55772f068e50), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x55772f068e50), _565490)
   Exit: (227) [system] get_char((0x55772f068e50), ')')
   Call: (227) [system] _543832=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x55772f068e50), [])
   Call: (226) [system] _444622=['A']
   Exit: (226) [system] ['A']=['A']
^  Exit: (225) [user] read_list(')', (0x55772f068e50), ['A'])
   Call: (225) [system] _6148=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
   Exit: (225) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
^  Exit: (224) [user] read_list(')', (0x55772f068e50), [['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
   Call: (224) [system] _6140=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
   Exit: (224) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
^  Exit: (223) [user] read_list(')', (0x55772f068e50), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
^  Call: (222) [user] read_list(')', (0x55772f068e50), _579372)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _581230)
   Exit: (224) [system] peek_char((0x55772f068e50), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
   Call: (224) [system] ')'=(/)
   Fail: (224) [system] ')'=(/)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _597240)
   Exit: (223) [system] peek_char((0x55772f068e50), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x55772f068e50), _601030)
   Exit: (223) [system] get_char((0x55772f068e50), ')')
   Call: (223) [system] _579372=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x55772f068e50), [])
   Call: (222) [system] _6136=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (222) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (221) [user] read_list(')', (0x55772f068e50), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
   Call: (221) [system] _6094=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (221) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (220) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
   Call: (220) [system] _6086=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (220) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (219) [user] read_list(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
^  Call: (218) [user] read_list(')', (0x55772f068e50), _614912)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _616770)
   Exit: (220) [system] peek_char((0x55772f068e50), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
   Call: (220) [system] ')'=(/)
   Fail: (220) [system] ')'=(/)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _632780)
   Exit: (219) [system] peek_char((0x55772f068e50), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x55772f068e50), _636570)
   Exit: (219) [system] get_char((0x55772f068e50), ')')
   Call: (219) [system] _614912=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x55772f068e50), [])
   Call: (218) [system] _6082=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]
   Exit: (218) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]
^  Exit: (217) [user] read_list(')', (0x55772f068e50), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]])
   Call: (217) [system] _6040=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]
   Exit: (217) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]
^  Exit: (216) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]])
   Call: (216) [system] _6032=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]
   Exit: (216) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]
^  Exit: (215) [user] read_list(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]])
^  Exit: (214) [user] cont_sexpr(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]])
^  Call: (214) [user] read_list(')', (0x55772f068e50), _650452)
^  Call: (215) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _652310)
   Exit: (216) [system] peek_char((0x55772f068e50), '\n')
   Call: (216) [system] '\n'=(;)
   Fail: (216) [system] '\n'=(;)
   Call: (216) [system] '\n'=(/)
   Fail: (216) [system] '\n'=(/)
^  Call: (216) [user] is_like_space('\n')
   Call: (217) [system] char_type('\n', 'white')
   Fail: (217) [system] char_type('\n', 'white')
   Call: (217) [system] char_type('\n', end_of_line)
   Exit: (217) [system] char_type('\n', end_of_line)
^  Exit: (216) [user] is_like_space('\n')
   Call: (216) [system] get_char((0x55772f068e50), _663760)
   Exit: (216) [system] get_char((0x55772f068e50), '\n')
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _666464)
   Exit: (217) [system] peek_char((0x55772f068e50), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x55772f068e50), _676058)
   Exit: (217) [system] get_char((0x55772f068e50), ' ')
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _678762)
   Exit: (218) [system] peek_char((0x55772f068e50), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
^  Exit: (215) [user] skip_spaces((0x55772f068e50))
   Call: (215) [system] peek_char((0x55772f068e50), _696620)
   Exit: (215) [system] peek_char((0x55772f068e50), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x55772f068e50), _702190)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _704048)
   Exit: (217) [system] peek_char((0x55772f068e50), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] get_char((0x55772f068e50), _720058)
   Exit: (216) [system] get_char((0x55772f068e50), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x55772f068e50), _702190)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _725628)
   Exit: (218) [system] peek_char((0x55772f068e50), :)
   Call: (218) [system] (:)=(;)
   Fail: (218) [system] (:)=(;)
   Call: (218) [system] (:)=(/)
   Fail: (218) [system] (:)=(/)
^  Call: (218) [user] is_like_space(:)
   Call: (219) [system] char_type(:, 'white')
   Fail: (219) [system] char_type(:, 'white')
   Call: (219) [system] char_type(:, end_of_line)
   Fail: (219) [system] char_type(:, end_of_line)
   Call: (219) [system] char_type(:, space)
   Fail: (219) [system] char_type(:, space)
   Call: (219) [system] char_type(:, cntrl)
   Fail: (219) [system] char_type(:, cntrl)
^  Fail: (218) [user] is_like_space(:)
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _741638)
   Exit: (217) [system] peek_char((0x55772f068e50), :)
   Call: (217) [system] (:)=')'
   Fail: (217) [system] (:)=')'
   Call: (217) [system] (:)=end_of_file
   Fail: (217) [system] (:)=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x55772f068e50), _747208)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _749066)
   Exit: (219) [system] peek_char((0x55772f068e50), :)
   Call: (219) [system] (:)=(;)
   Fail: (219) [system] (:)=(;)
   Call: (219) [system] (:)=(/)
   Fail: (219) [system] (:)=(/)
^  Call: (219) [user] is_like_space(:)
   Call: (220) [system] char_type(:, 'white')
   Fail: (220) [system] char_type(:, 'white')
   Call: (220) [system] char_type(:, end_of_line)
   Fail: (220) [system] char_type(:, end_of_line)
   Call: (220) [system] char_type(:, space)
   Fail: (220) [system] char_type(:, space)
   Call: (220) [system] char_type(:, cntrl)
   Fail: (220) [system] char_type(:, cntrl)
^  Fail: (219) [user] is_like_space(:)
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] get_char((0x55772f068e50), _765076)
   Exit: (218) [system] get_char((0x55772f068e50), :)
   Call: (218) [system] (:)='('
   Fail: (218) [system] (:)='('
   Call: (218) [system] (:)='['
   Fail: (218) [system] (:)='['
   Call: (218) [system] (:)='{'
   Fail: (218) [system] (:)='{'
   Call: (218) [system] (:)='"'
   Fail: (218) [system] (:)='"'
   Call: (218) [system] (:)=!
   Fail: (218) [system] (:)=!
   Call: (218) [system] (:)='\''
   Fail: (218) [system] (:)='\''
   Call: (218) [system] (:)='`'
   Fail: (218) [system] (:)='`'
   Call: (218) [system] (:)=end_of_file
   Fail: (218) [system] (:)=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x55772f068e50), :, _747208)
^  Call: (219) [user] read_symbolic_cont(')', (0x55772f068e50), _782718)
   Call: (220) [system] peek_char((0x55772f068e50), _783652)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _782718=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (219) [user] classify_and_convert_charseq([:], _747208)
^  Call: (220) [user] classify_and_convert_charseq_([:], _792936)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_793888, _793890), once(user:catch(read_from_chars([:], _792936), _793870, fail)), '$restore_trace'(_793888, _793890))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_793888, _793890))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _793870, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(:)
   Exit: (221) [system] atomic(:)
^  Exit: (220) [user] classify_and_convert_charseq_([:], :)
   Call: (220) [system] integer(:)
   Fail: (220) [system] integer(:)
   Call: (220) [system] _747208=(:)
   Exit: (220) [system] (:)=(:)
^  Exit: (219) [user] classify_and_convert_charseq([:], :)
^  Exit: (218) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (217) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (217) [user] read_list(')', (0x55772f068e50), _806016)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _807874)
   Exit: (219) [system] peek_char((0x55772f068e50), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x55772f068e50), _817468)
   Exit: (219) [system] get_char((0x55772f068e50), ' ')
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _820172)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _837106)
   Exit: (218) [system] peek_char((0x55772f068e50), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _842676)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _844534)
   Exit: (220) [system] peek_char((0x55772f068e50), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _860544)
   Exit: (219) [system] get_char((0x55772f068e50), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x55772f068e50), _842676)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _866114)
   Exit: (221) [system] peek_char((0x55772f068e50), 'D')
   Call: (221) [system] 'D'=(;)
   Fail: (221) [system] 'D'=(;)
   Call: (221) [system] 'D'=(/)
   Fail: (221) [system] 'D'=(/)
^  Call: (221) [user] is_like_space('D')
   Call: (222) [system] char_type('D', 'white')
   Fail: (222) [system] char_type('D', 'white')
   Call: (222) [system] char_type('D', end_of_line)
   Fail: (222) [system] char_type('D', end_of_line)
   Call: (222) [system] char_type('D', space)
   Fail: (222) [system] char_type('D', space)
   Call: (222) [system] char_type('D', cntrl)
   Fail: (222) [system] char_type('D', cntrl)
^  Fail: (221) [user] is_like_space('D')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _882124)
   Exit: (220) [system] peek_char((0x55772f068e50), 'D')
   Call: (220) [system] 'D'=')'
   Fail: (220) [system] 'D'=')'
   Call: (220) [system] 'D'=end_of_file
   Fail: (220) [system] 'D'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x55772f068e50), _887694)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _889552)
   Exit: (222) [system] peek_char((0x55772f068e50), 'D')
   Call: (222) [system] 'D'=(;)
   Fail: (222) [system] 'D'=(;)
   Call: (222) [system] 'D'=(/)
   Fail: (222) [system] 'D'=(/)
^  Call: (222) [user] is_like_space('D')
   Call: (223) [system] char_type('D', 'white')
   Fail: (223) [system] char_type('D', 'white')
   Call: (223) [system] char_type('D', end_of_line)
   Fail: (223) [system] char_type('D', end_of_line)
   Call: (223) [system] char_type('D', space)
   Fail: (223) [system] char_type('D', space)
   Call: (223) [system] char_type('D', cntrl)
   Fail: (223) [system] char_type('D', cntrl)
^  Fail: (222) [user] is_like_space('D')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] get_char((0x55772f068e50), _905562)
   Exit: (221) [system] get_char((0x55772f068e50), 'D')
   Call: (221) [system] 'D'='('
   Fail: (221) [system] 'D'='('
   Call: (221) [system] 'D'='['
   Fail: (221) [system] 'D'='['
   Call: (221) [system] 'D'='{'
   Fail: (221) [system] 'D'='{'
   Call: (221) [system] 'D'='"'
   Fail: (221) [system] 'D'='"'
   Call: (221) [system] 'D'=!
   Fail: (221) [system] 'D'=!
   Call: (221) [system] 'D'='\''
   Fail: (221) [system] 'D'='\''
   Call: (221) [system] 'D'='`'
   Fail: (221) [system] 'D'='`'
   Call: (221) [system] 'D'=end_of_file
   Fail: (221) [system] 'D'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x55772f068e50), 'D', _887694)
^  Call: (222) [user] read_symbolic_cont(')', (0x55772f068e50), _923204)
   Call: (223) [system] peek_char((0x55772f068e50), _924138)
   Exit: (223) [system] peek_char((0x55772f068e50), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_928858, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_929790, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x55772f068e50), i)
   Exit: (223) [system] get_char((0x55772f068e50), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _937140)
   Call: (224) [system] peek_char((0x55772f068e50), _938074)
   Exit: (224) [system] peek_char((0x55772f068e50), s)
^  Call: (224) [user] is_delimiter(s)
   Call: (225) [system] char_type(s, space)
   Fail: (225) [system] char_type(s, space)
   Call: (225) [system] arg(_942794, v('(', ')', end_of_file), s)
   Fail: (225) [system] arg(_943726, v('(', ')', end_of_file), s)
^  Fail: (224) [user] is_delimiter(s)
   Call: (224) [system] ')'==s
   Fail: (224) [system] ')'==s
   Call: (224) [system] get_char((0x55772f068e50), s)
   Exit: (224) [system] get_char((0x55772f068e50), s)
   Call: (224) [system] s=(\)
   Fail: (224) [system] s=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _951076)
   Call: (225) [system] peek_char((0x55772f068e50), _952010)
   Exit: (225) [system] peek_char((0x55772f068e50), j)
^  Call: (225) [user] is_delimiter(j)
   Call: (226) [system] char_type(j, space)
   Fail: (226) [system] char_type(j, space)
   Call: (226) [system] arg(_956730, v('(', ')', end_of_file), j)
   Fail: (226) [system] arg(_957662, v('(', ')', end_of_file), j)
^  Fail: (225) [user] is_delimiter(j)
   Call: (225) [system] ')'==j
   Fail: (225) [system] ')'==j
   Call: (225) [system] get_char((0x55772f068e50), j)
   Exit: (225) [system] get_char((0x55772f068e50), j)
   Call: (225) [system] j=(\)
   Fail: (225) [system] j=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _965012)
   Call: (226) [system] peek_char((0x55772f068e50), _965946)
   Exit: (226) [system] peek_char((0x55772f068e50), u)
^  Call: (226) [user] is_delimiter(u)
   Call: (227) [system] char_type(u, space)
   Fail: (227) [system] char_type(u, space)
   Call: (227) [system] arg(_970666, v('(', ')', end_of_file), u)
   Fail: (227) [system] arg(_971598, v('(', ')', end_of_file), u)
^  Fail: (226) [user] is_delimiter(u)
   Call: (226) [system] ')'==u
   Fail: (226) [system] ')'==u
   Call: (226) [system] get_char((0x55772f068e50), u)
   Exit: (226) [system] get_char((0x55772f068e50), u)
   Call: (226) [system] u=(\)
   Fail: (226) [system] u=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _978948)
   Call: (227) [system] peek_char((0x55772f068e50), _979882)
   Exit: (227) [system] peek_char((0x55772f068e50), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_984602, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_985534, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x55772f068e50), n)
   Exit: (227) [system] get_char((0x55772f068e50), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _992884)
   Call: (228) [system] peek_char((0x55772f068e50), _993818)
   Exit: (228) [system] peek_char((0x55772f068e50), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_998538, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_999470, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x55772f068e50), c)
   Exit: (228) [system] get_char((0x55772f068e50), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1006820)
   Call: (229) [system] peek_char((0x55772f068e50), _1007754)
   Exit: (229) [system] peek_char((0x55772f068e50), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_1012474, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_1013406, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x55772f068e50), t)
   Exit: (229) [system] get_char((0x55772f068e50), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1020756)
   Call: (230) [system] peek_char((0x55772f068e50), _1021690)
   Exit: (230) [system] peek_char((0x55772f068e50), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1026410, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_1027342, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x55772f068e50), i)
   Exit: (230) [system] get_char((0x55772f068e50), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1034692)
   Call: (231) [system] peek_char((0x55772f068e50), _1035626)
   Exit: (231) [system] peek_char((0x55772f068e50), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_1040346, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_1041278, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x55772f068e50), o)
   Exit: (231) [system] get_char((0x55772f068e50), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1048628)
   Call: (232) [system] peek_char((0x55772f068e50), _1049562)
   Exit: (232) [system] peek_char((0x55772f068e50), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_1054282, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_1055214, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x55772f068e50), n)
   Exit: (232) [system] get_char((0x55772f068e50), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1062564)
   Call: (233) [system] peek_char((0x55772f068e50), _1063498)
   Exit: (233) [system] peek_char((0x55772f068e50), 'I')
^  Call: (233) [user] is_delimiter('I')
   Call: (234) [system] char_type('I', space)
   Fail: (234) [system] char_type('I', space)
   Call: (234) [system] arg(_1068218, v('(', ')', end_of_file), 'I')
   Fail: (234) [system] arg(_1069150, v('(', ')', end_of_file), 'I')
^  Fail: (233) [user] is_delimiter('I')
   Call: (233) [system] ')'=='I'
   Fail: (233) [system] ')'=='I'
   Call: (233) [system] get_char((0x55772f068e50), 'I')
   Exit: (233) [system] get_char((0x55772f068e50), 'I')
   Call: (233) [system] 'I'=(\)
   Fail: (233) [system] 'I'=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1076500)
   Call: (234) [system] peek_char((0x55772f068e50), _1077434)
   Exit: (234) [system] peek_char((0x55772f068e50), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_1082154, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_1083086, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x55772f068e50), n)
   Exit: (234) [system] get_char((0x55772f068e50), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1090436)
   Call: (235) [system] peek_char((0x55772f068e50), _1091370)
   Exit: (235) [system] peek_char((0x55772f068e50), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Fail: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_1096090, v('(', ')', end_of_file), t)
   Fail: (236) [system] arg(_1097022, v('(', ')', end_of_file), t)
^  Fail: (235) [user] is_delimiter(t)
   Call: (235) [system] ')'==t
   Fail: (235) [system] ')'==t
   Call: (235) [system] get_char((0x55772f068e50), t)
   Exit: (235) [system] get_char((0x55772f068e50), t)
   Call: (235) [system] t=(\)
   Fail: (235) [system] t=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1104372)
   Call: (236) [system] peek_char((0x55772f068e50), _1105306)
   Exit: (236) [system] peek_char((0x55772f068e50), r)
^  Call: (236) [user] is_delimiter(r)
   Call: (237) [system] char_type(r, space)
   Fail: (237) [system] char_type(r, space)
   Call: (237) [system] arg(_1110026, v('(', ')', end_of_file), r)
   Fail: (237) [system] arg(_1110958, v('(', ')', end_of_file), r)
^  Fail: (236) [user] is_delimiter(r)
   Call: (236) [system] ')'==r
   Fail: (236) [system] ')'==r
   Call: (236) [system] get_char((0x55772f068e50), r)
   Exit: (236) [system] get_char((0x55772f068e50), r)
   Call: (236) [system] r=(\)
   Fail: (236) [system] r=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1118308)
   Call: (237) [system] peek_char((0x55772f068e50), _1119242)
   Exit: (237) [system] peek_char((0x55772f068e50), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Fail: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_1123962, v('(', ')', end_of_file), o)
   Fail: (238) [system] arg(_1124894, v('(', ')', end_of_file), o)
^  Fail: (237) [user] is_delimiter(o)
   Call: (237) [system] ')'==o
   Fail: (237) [system] ')'==o
   Call: (237) [system] get_char((0x55772f068e50), o)
   Exit: (237) [system] get_char((0x55772f068e50), o)
   Call: (237) [system] o=(\)
   Fail: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _1132244)
   Call: (238) [system] peek_char((0x55772f068e50), _1133178)
   Exit: (238) [system] peek_char((0x55772f068e50), d)
^  Call: (238) [user] is_delimiter(d)
   Call: (239) [system] char_type(d, space)
   Fail: (239) [system] char_type(d, space)
   Call: (239) [system] arg(_1137898, v('(', ')', end_of_file), d)
   Fail: (239) [system] arg(_1138830, v('(', ')', end_of_file), d)
^  Fail: (238) [user] is_delimiter(d)
   Call: (238) [system] ')'==d
   Fail: (238) [system] ')'==d
   Call: (238) [system] get_char((0x55772f068e50), d)
   Exit: (238) [system] get_char((0x55772f068e50), d)
   Call: (238) [system] d=(\)
   Fail: (238) [system] d=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _1146180)
   Call: (239) [system] peek_char((0x55772f068e50), _1147114)
   Exit: (239) [system] peek_char((0x55772f068e50), u)
^  Call: (239) [user] is_delimiter(u)
   Call: (240) [system] char_type(u, space)
   Fail: (240) [system] char_type(u, space)
   Call: (240) [system] arg(_1151834, v('(', ')', end_of_file), u)
   Fail: (240) [system] arg(_1152766, v('(', ')', end_of_file), u)
^  Fail: (239) [user] is_delimiter(u)
   Call: (239) [system] ')'==u
   Fail: (239) [system] ')'==u
   Call: (239) [system] get_char((0x55772f068e50), u)
   Exit: (239) [system] get_char((0x55772f068e50), u)
   Call: (239) [system] u=(\)
   Fail: (239) [system] u=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _1160116)
   Call: (240) [system] peek_char((0x55772f068e50), _1161050)
   Exit: (240) [system] peek_char((0x55772f068e50), c)
^  Call: (240) [user] is_delimiter(c)
   Call: (241) [system] char_type(c, space)
   Fail: (241) [system] char_type(c, space)
   Call: (241) [system] arg(_1165770, v('(', ')', end_of_file), c)
   Fail: (241) [system] arg(_1166702, v('(', ')', end_of_file), c)
^  Fail: (240) [user] is_delimiter(c)
   Call: (240) [system] ')'==c
   Fail: (240) [system] ')'==c
   Call: (240) [system] get_char((0x55772f068e50), c)
   Exit: (240) [system] get_char((0x55772f068e50), c)
   Call: (240) [system] c=(\)
   Fail: (240) [system] c=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _1174052)
   Call: (241) [system] peek_char((0x55772f068e50), _1174986)
   Exit: (241) [system] peek_char((0x55772f068e50), t)
^  Call: (241) [user] is_delimiter(t)
   Call: (242) [system] char_type(t, space)
   Fail: (242) [system] char_type(t, space)
   Call: (242) [system] arg(_1179706, v('(', ')', end_of_file), t)
   Fail: (242) [system] arg(_1180638, v('(', ')', end_of_file), t)
^  Fail: (241) [user] is_delimiter(t)
   Call: (241) [system] ')'==t
   Fail: (241) [system] ')'==t
   Call: (241) [system] get_char((0x55772f068e50), t)
   Exit: (241) [system] get_char((0x55772f068e50), t)
   Call: (241) [system] t=(\)
   Fail: (241) [system] t=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x55772f068e50), _1187988)
   Call: (242) [system] peek_char((0x55772f068e50), _1188922)
   Exit: (242) [system] peek_char((0x55772f068e50), i)
^  Call: (242) [user] is_delimiter(i)
   Call: (243) [system] char_type(i, space)
   Fail: (243) [system] char_type(i, space)
   Call: (243) [system] arg(_1193642, v('(', ')', end_of_file), i)
   Fail: (243) [system] arg(_1194574, v('(', ')', end_of_file), i)
^  Fail: (242) [user] is_delimiter(i)
   Call: (242) [system] ')'==i
   Fail: (242) [system] ')'==i
   Call: (242) [system] get_char((0x55772f068e50), i)
   Exit: (242) [system] get_char((0x55772f068e50), i)
   Call: (242) [system] i=(\)
   Fail: (242) [system] i=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x55772f068e50), _1201924)
   Call: (243) [system] peek_char((0x55772f068e50), _1202858)
   Exit: (243) [system] peek_char((0x55772f068e50), o)
^  Call: (243) [user] is_delimiter(o)
   Call: (244) [system] char_type(o, space)
   Fail: (244) [system] char_type(o, space)
   Call: (244) [system] arg(_1207578, v('(', ')', end_of_file), o)
   Fail: (244) [system] arg(_1208510, v('(', ')', end_of_file), o)
^  Fail: (243) [user] is_delimiter(o)
   Call: (243) [system] ')'==o
   Fail: (243) [system] ')'==o
   Call: (243) [system] get_char((0x55772f068e50), o)
   Exit: (243) [system] get_char((0x55772f068e50), o)
   Call: (243) [system] o=(\)
   Fail: (243) [system] o=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x55772f068e50), _1215860)
   Call: (244) [system] peek_char((0x55772f068e50), _1216794)
   Exit: (244) [system] peek_char((0x55772f068e50), n)
^  Call: (244) [user] is_delimiter(n)
   Call: (245) [system] char_type(n, space)
   Fail: (245) [system] char_type(n, space)
   Call: (245) [system] arg(_1221514, v('(', ')', end_of_file), n)
   Fail: (245) [system] arg(_1222446, v('(', ')', end_of_file), n)
^  Fail: (244) [user] is_delimiter(n)
   Call: (244) [system] ')'==n
   Fail: (244) [system] ')'==n
   Call: (244) [system] get_char((0x55772f068e50), n)
   Exit: (244) [system] get_char((0x55772f068e50), n)
   Call: (244) [system] n=(\)
   Fail: (244) [system] n=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x55772f068e50), _1229796)
   Call: (245) [system] peek_char((0x55772f068e50), _1230730)
   Exit: (245) [system] peek_char((0x55772f068e50), ' ')
^  Call: (245) [user] is_delimiter(' ')
   Call: (246) [system] char_type(' ', space)
   Exit: (246) [system] char_type(' ', space)
^  Exit: (245) [user] is_delimiter(' ')
   Call: (245) [system] _1229796=[]
   Exit: (245) [system] []=[]
^  Exit: (244) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (244) [system] _1215860=[n]
   Exit: (244) [system] [n]=[n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (243) [system] _1201924=[o, n]
   Exit: (243) [system] [o, n]=[o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (242) [system] _1187988=[i, o, n]
   Exit: (242) [system] [i, o, n]=[i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (241) [system] _1174052=[t, i, o, n]
   Exit: (241) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (240) [system] _1160116=[c, t, i, o, n]
   Exit: (240) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (239) [system] _1146180=[u, c, t, i, o, n]
   Exit: (239) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (238) [system] _1132244=[d, u, c, t, i, o, n]
   Exit: (238) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (237) [system] _1118308=[o, d, u, c, t, i, o, n]
   Exit: (237) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (236) [system] _1104372=[r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1090436=[t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1076500=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1062564=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1048628=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1034692=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1020756=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1006820=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _992884=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _978948=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _965012=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _951076=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _937140=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _923204=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (222) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _887694)
^  Call: (223) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1301482)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1302434, _1302436), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1301482), _1302416, fail)), '$restore_trace'(_1302434, _1302436))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1302434, _1302436))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1301482), _1302416, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1301482)
   Fail: (224) [system] atomic(_1301482)
   Call: (224) [system] atom_chars(_1301482, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (224) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (223) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (223) [system] integer('DisjunctionIntroduction')
   Fail: (223) [system] integer('DisjunctionIntroduction')
   Call: (223) [system] _887694='DisjunctionIntroduction'
   Exit: (223) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (222) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (221) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (220) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (220) [user] read_list(')', (0x55772f068e50), _1316432)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1318290)
   Exit: (222) [system] peek_char((0x55772f068e50), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x55772f068e50), _1327884)
   Exit: (222) [system] get_char((0x55772f068e50), ' ')
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1330588)
   Exit: (223) [system] peek_char((0x55772f068e50), a)
   Call: (223) [system] a=(;)
   Fail: (223) [system] a=(;)
   Call: (223) [system] a=(/)
   Fail: (223) [system] a=(/)
^  Call: (223) [user] is_like_space(a)
   Call: (224) [system] char_type(a, 'white')
   Fail: (224) [system] char_type(a, 'white')
   Call: (224) [system] char_type(a, end_of_line)
   Fail: (224) [system] char_type(a, end_of_line)
   Call: (224) [system] char_type(a, space)
   Fail: (224) [system] char_type(a, space)
   Call: (224) [system] char_type(a, cntrl)
   Fail: (224) [system] char_type(a, cntrl)
^  Fail: (223) [user] is_like_space(a)
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _1347522)
   Exit: (221) [system] peek_char((0x55772f068e50), a)
   Call: (221) [system] a=')'
   Fail: (221) [system] a=')'
   Call: (221) [system] a=end_of_file
   Fail: (221) [system] a=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _1353092)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1354950)
   Exit: (223) [system] peek_char((0x55772f068e50), a)
   Call: (223) [system] a=(;)
   Fail: (223) [system] a=(;)
   Call: (223) [system] a=(/)
   Fail: (223) [system] a=(/)
^  Call: (223) [user] is_like_space(a)
   Call: (224) [system] char_type(a, 'white')
   Fail: (224) [system] char_type(a, 'white')
   Call: (224) [system] char_type(a, end_of_line)
   Fail: (224) [system] char_type(a, end_of_line)
   Call: (224) [system] char_type(a, space)
   Fail: (224) [system] char_type(a, space)
   Call: (224) [system] char_type(a, cntrl)
   Fail: (224) [system] char_type(a, cntrl)
^  Fail: (223) [user] is_like_space(a)
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _1370960)
   Exit: (222) [system] get_char((0x55772f068e50), a)
   Call: (222) [system] a='('
   Fail: (222) [system] a='('
   Call: (222) [system] a='['
   Fail: (222) [system] a='['
   Call: (222) [system] a='{'
   Fail: (222) [system] a='{'
   Call: (222) [system] a='"'
   Fail: (222) [system] a='"'
   Call: (222) [system] a=!
   Fail: (222) [system] a=!
   Call: (222) [system] a='\''
   Fail: (222) [system] a='\''
   Call: (222) [system] a='`'
   Fail: (222) [system] a='`'
   Call: (222) [system] a=end_of_file
   Fail: (222) [system] a=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x55772f068e50), a, _1353092)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _1388602)
   Call: (224) [system] peek_char((0x55772f068e50), _1389536)
   Exit: (224) [system] peek_char((0x55772f068e50), b)
^  Call: (224) [user] is_delimiter(b)
   Call: (225) [system] char_type(b, space)
   Fail: (225) [system] char_type(b, space)
   Call: (225) [system] arg(_1394256, v('(', ')', end_of_file), b)
   Fail: (225) [system] arg(_1395188, v('(', ')', end_of_file), b)
^  Fail: (224) [user] is_delimiter(b)
   Call: (224) [system] ')'==b
   Fail: (224) [system] ')'==b
   Call: (224) [system] get_char((0x55772f068e50), b)
   Exit: (224) [system] get_char((0x55772f068e50), b)
   Call: (224) [system] b=(\)
   Fail: (224) [system] b=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1402538)
   Call: (225) [system] peek_char((0x55772f068e50), _1403472)
   Exit: (225) [system] peek_char((0x55772f068e50), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Fail: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_1408192, v('(', ')', end_of_file), c)
   Fail: (226) [system] arg(_1409124, v('(', ')', end_of_file), c)
^  Fail: (225) [user] is_delimiter(c)
   Call: (225) [system] ')'==c
   Fail: (225) [system] ')'==c
   Call: (225) [system] get_char((0x55772f068e50), c)
   Exit: (225) [system] get_char((0x55772f068e50), c)
   Call: (225) [system] c=(\)
   Fail: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1416474)
   Call: (226) [system] peek_char((0x55772f068e50), _1417408)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1416474=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (225) [system] _1402538=[c]
   Exit: (225) [system] [c]=[c]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (224) [system] _1388602=[b, c]
   Exit: (224) [system] [b, c]=[b, c]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (223) [user] classify_and_convert_charseq([a, b, c], _1353092)
^  Call: (224) [user] classify_and_convert_charseq_([a, b, c], _1432280)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1433232, _1433234), once(user:catch(read_from_chars([a, b, c], _1432280), _1433214, fail)), '$restore_trace'(_1433232, _1433234))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1433232, _1433234))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1433214, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(abc)
   Exit: (225) [system] atomic(abc)
^  Exit: (224) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (224) [system] integer(abc)
   Fail: (224) [system] integer(abc)
   Call: (224) [system] _1353092=abc
   Exit: (224) [system] abc=abc
^  Exit: (223) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (222) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (221) [user] read_list(')', (0x55772f068e50), _1445360)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1447218)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x55772f068e50), _1456812)
   Exit: (223) [system] get_char((0x55772f068e50), ' ')
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1459516)
   Exit: (224) [system] peek_char((0x55772f068e50), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1476450)
   Exit: (222) [system] peek_char((0x55772f068e50), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _1482020)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1483878)
   Exit: (224) [system] peek_char((0x55772f068e50), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _1499888)
   Exit: (223) [system] get_char((0x55772f068e50), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x55772f068e50), _1482020)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1505458)
   Exit: (225) [system] peek_char((0x55772f068e50), 'D')
   Call: (225) [system] 'D'=(;)
   Fail: (225) [system] 'D'=(;)
   Call: (225) [system] 'D'=(/)
   Fail: (225) [system] 'D'=(/)
^  Call: (225) [user] is_like_space('D')
   Call: (226) [system] char_type('D', 'white')
   Fail: (226) [system] char_type('D', 'white')
   Call: (226) [system] char_type('D', end_of_line)
   Fail: (226) [system] char_type('D', end_of_line)
   Call: (226) [system] char_type('D', space)
   Fail: (226) [system] char_type('D', space)
   Call: (226) [system] char_type('D', cntrl)
   Fail: (226) [system] char_type('D', cntrl)
^  Fail: (225) [user] is_like_space('D')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1521468)
   Exit: (224) [system] peek_char((0x55772f068e50), 'D')
   Call: (224) [system] 'D'=')'
   Fail: (224) [system] 'D'=')'
   Call: (224) [system] 'D'=end_of_file
   Fail: (224) [system] 'D'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x55772f068e50), _1527038)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1528896)
   Exit: (226) [system] peek_char((0x55772f068e50), 'D')
   Call: (226) [system] 'D'=(;)
   Fail: (226) [system] 'D'=(;)
   Call: (226) [system] 'D'=(/)
   Fail: (226) [system] 'D'=(/)
^  Call: (226) [user] is_like_space('D')
   Call: (227) [system] char_type('D', 'white')
   Fail: (227) [system] char_type('D', 'white')
   Call: (227) [system] char_type('D', end_of_line)
   Fail: (227) [system] char_type('D', end_of_line)
   Call: (227) [system] char_type('D', space)
   Fail: (227) [system] char_type('D', space)
   Call: (227) [system] char_type('D', cntrl)
   Fail: (227) [system] char_type('D', cntrl)
^  Fail: (226) [user] is_like_space('D')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] get_char((0x55772f068e50), _1544906)
   Exit: (225) [system] get_char((0x55772f068e50), 'D')
   Call: (225) [system] 'D'='('
   Fail: (225) [system] 'D'='('
   Call: (225) [system] 'D'='['
   Fail: (225) [system] 'D'='['
   Call: (225) [system] 'D'='{'
   Fail: (225) [system] 'D'='{'
   Call: (225) [system] 'D'='"'
   Fail: (225) [system] 'D'='"'
   Call: (225) [system] 'D'=!
   Fail: (225) [system] 'D'=!
   Call: (225) [system] 'D'='\''
   Fail: (225) [system] 'D'='\''
   Call: (225) [system] 'D'='`'
   Fail: (225) [system] 'D'='`'
   Call: (225) [system] 'D'=end_of_file
   Fail: (225) [system] 'D'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x55772f068e50), 'D', _1527038)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1562548)
   Call: (227) [system] peek_char((0x55772f068e50), _1563482)
   Exit: (227) [system] peek_char((0x55772f068e50), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1568202, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_1569134, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x55772f068e50), i)
   Exit: (227) [system] get_char((0x55772f068e50), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1576484)
   Call: (228) [system] peek_char((0x55772f068e50), _1577418)
   Exit: (228) [system] peek_char((0x55772f068e50), s)
^  Call: (228) [user] is_delimiter(s)
   Call: (229) [system] char_type(s, space)
   Fail: (229) [system] char_type(s, space)
   Call: (229) [system] arg(_1582138, v('(', ')', end_of_file), s)
   Fail: (229) [system] arg(_1583070, v('(', ')', end_of_file), s)
^  Fail: (228) [user] is_delimiter(s)
   Call: (228) [system] ')'==s
   Fail: (228) [system] ')'==s
   Call: (228) [system] get_char((0x55772f068e50), s)
   Exit: (228) [system] get_char((0x55772f068e50), s)
   Call: (228) [system] s=(\)
   Fail: (228) [system] s=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1590420)
   Call: (229) [system] peek_char((0x55772f068e50), _1591354)
   Exit: (229) [system] peek_char((0x55772f068e50), j)
^  Call: (229) [user] is_delimiter(j)
   Call: (230) [system] char_type(j, space)
   Fail: (230) [system] char_type(j, space)
   Call: (230) [system] arg(_1596074, v('(', ')', end_of_file), j)
   Fail: (230) [system] arg(_1597006, v('(', ')', end_of_file), j)
^  Fail: (229) [user] is_delimiter(j)
   Call: (229) [system] ')'==j
   Fail: (229) [system] ')'==j
   Call: (229) [system] get_char((0x55772f068e50), j)
   Exit: (229) [system] get_char((0x55772f068e50), j)
   Call: (229) [system] j=(\)
   Fail: (229) [system] j=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1604356)
   Call: (230) [system] peek_char((0x55772f068e50), _1605290)
   Exit: (230) [system] peek_char((0x55772f068e50), u)
^  Call: (230) [user] is_delimiter(u)
   Call: (231) [system] char_type(u, space)
   Fail: (231) [system] char_type(u, space)
   Call: (231) [system] arg(_1610010, v('(', ')', end_of_file), u)
   Fail: (231) [system] arg(_1610942, v('(', ')', end_of_file), u)
^  Fail: (230) [user] is_delimiter(u)
   Call: (230) [system] ')'==u
   Fail: (230) [system] ')'==u
   Call: (230) [system] get_char((0x55772f068e50), u)
   Exit: (230) [system] get_char((0x55772f068e50), u)
   Call: (230) [system] u=(\)
   Fail: (230) [system] u=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1618292)
   Call: (231) [system] peek_char((0x55772f068e50), _1619226)
   Exit: (231) [system] peek_char((0x55772f068e50), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1623946, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1624878, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x55772f068e50), n)
   Exit: (231) [system] get_char((0x55772f068e50), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1632228)
   Call: (232) [system] peek_char((0x55772f068e50), _1633162)
   Exit: (232) [system] peek_char((0x55772f068e50), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Fail: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_1637882, v('(', ')', end_of_file), c)
   Fail: (233) [system] arg(_1638814, v('(', ')', end_of_file), c)
^  Fail: (232) [user] is_delimiter(c)
   Call: (232) [system] ')'==c
   Fail: (232) [system] ')'==c
   Call: (232) [system] get_char((0x55772f068e50), c)
   Exit: (232) [system] get_char((0x55772f068e50), c)
   Call: (232) [system] c=(\)
   Fail: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1646164)
   Call: (233) [system] peek_char((0x55772f068e50), _1647098)
   Exit: (233) [system] peek_char((0x55772f068e50), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Fail: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_1651818, v('(', ')', end_of_file), t)
   Fail: (234) [system] arg(_1652750, v('(', ')', end_of_file), t)
^  Fail: (233) [user] is_delimiter(t)
   Call: (233) [system] ')'==t
   Fail: (233) [system] ')'==t
   Call: (233) [system] get_char((0x55772f068e50), t)
   Exit: (233) [system] get_char((0x55772f068e50), t)
   Call: (233) [system] t=(\)
   Fail: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1660100)
   Call: (234) [system] peek_char((0x55772f068e50), _1661034)
   Exit: (234) [system] peek_char((0x55772f068e50), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_1665754, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_1666686, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x55772f068e50), i)
   Exit: (234) [system] get_char((0x55772f068e50), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1674036)
   Call: (235) [system] peek_char((0x55772f068e50), _1674970)
   Exit: (235) [system] peek_char((0x55772f068e50), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Fail: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_1679690, v('(', ')', end_of_file), o)
   Fail: (236) [system] arg(_1680622, v('(', ')', end_of_file), o)
^  Fail: (235) [user] is_delimiter(o)
   Call: (235) [system] ')'==o
   Fail: (235) [system] ')'==o
   Call: (235) [system] get_char((0x55772f068e50), o)
   Exit: (235) [system] get_char((0x55772f068e50), o)
   Call: (235) [system] o=(\)
   Fail: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1687972)
   Call: (236) [system] peek_char((0x55772f068e50), _1688906)
   Exit: (236) [system] peek_char((0x55772f068e50), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1693626, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_1694558, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x55772f068e50), n)
   Exit: (236) [system] get_char((0x55772f068e50), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1701908)
   Call: (237) [system] peek_char((0x55772f068e50), _1702842)
   Exit: (237) [system] peek_char((0x55772f068e50), 'I')
^  Call: (237) [user] is_delimiter('I')
   Call: (238) [system] char_type('I', space)
   Fail: (238) [system] char_type('I', space)
   Call: (238) [system] arg(_1707562, v('(', ')', end_of_file), 'I')
   Fail: (238) [system] arg(_1708494, v('(', ')', end_of_file), 'I')
^  Fail: (237) [user] is_delimiter('I')
   Call: (237) [system] ')'=='I'
   Fail: (237) [system] ')'=='I'
   Call: (237) [system] get_char((0x55772f068e50), 'I')
   Exit: (237) [system] get_char((0x55772f068e50), 'I')
   Call: (237) [system] 'I'=(\)
   Fail: (237) [system] 'I'=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _1715844)
   Call: (238) [system] peek_char((0x55772f068e50), _1716778)
   Exit: (238) [system] peek_char((0x55772f068e50), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Fail: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_1721498, v('(', ')', end_of_file), n)
   Fail: (239) [system] arg(_1722430, v('(', ')', end_of_file), n)
^  Fail: (238) [user] is_delimiter(n)
   Call: (238) [system] ')'==n
   Fail: (238) [system] ')'==n
   Call: (238) [system] get_char((0x55772f068e50), n)
   Exit: (238) [system] get_char((0x55772f068e50), n)
   Call: (238) [system] n=(\)
   Fail: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _1729780)
   Call: (239) [system] peek_char((0x55772f068e50), _1730714)
   Exit: (239) [system] peek_char((0x55772f068e50), t)
^  Call: (239) [user] is_delimiter(t)
   Call: (240) [system] char_type(t, space)
   Fail: (240) [system] char_type(t, space)
   Call: (240) [system] arg(_1735434, v('(', ')', end_of_file), t)
   Fail: (240) [system] arg(_1736366, v('(', ')', end_of_file), t)
^  Fail: (239) [user] is_delimiter(t)
   Call: (239) [system] ')'==t
   Fail: (239) [system] ')'==t
   Call: (239) [system] get_char((0x55772f068e50), t)
   Exit: (239) [system] get_char((0x55772f068e50), t)
   Call: (239) [system] t=(\)
   Fail: (239) [system] t=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _1743716)
   Call: (240) [system] peek_char((0x55772f068e50), _1744650)
   Exit: (240) [system] peek_char((0x55772f068e50), r)
^  Call: (240) [user] is_delimiter(r)
   Call: (241) [system] char_type(r, space)
   Fail: (241) [system] char_type(r, space)
   Call: (241) [system] arg(_1749370, v('(', ')', end_of_file), r)
   Fail: (241) [system] arg(_1750302, v('(', ')', end_of_file), r)
^  Fail: (240) [user] is_delimiter(r)
   Call: (240) [system] ')'==r
   Fail: (240) [system] ')'==r
   Call: (240) [system] get_char((0x55772f068e50), r)
   Exit: (240) [system] get_char((0x55772f068e50), r)
   Call: (240) [system] r=(\)
   Fail: (240) [system] r=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _1757652)
   Call: (241) [system] peek_char((0x55772f068e50), _1758586)
   Exit: (241) [system] peek_char((0x55772f068e50), o)
^  Call: (241) [user] is_delimiter(o)
   Call: (242) [system] char_type(o, space)
   Fail: (242) [system] char_type(o, space)
   Call: (242) [system] arg(_1763306, v('(', ')', end_of_file), o)
   Fail: (242) [system] arg(_1764238, v('(', ')', end_of_file), o)
^  Fail: (241) [user] is_delimiter(o)
   Call: (241) [system] ')'==o
   Fail: (241) [system] ')'==o
   Call: (241) [system] get_char((0x55772f068e50), o)
   Exit: (241) [system] get_char((0x55772f068e50), o)
   Call: (241) [system] o=(\)
   Fail: (241) [system] o=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x55772f068e50), _1771588)
   Call: (242) [system] peek_char((0x55772f068e50), _1772522)
   Exit: (242) [system] peek_char((0x55772f068e50), d)
^  Call: (242) [user] is_delimiter(d)
   Call: (243) [system] char_type(d, space)
   Fail: (243) [system] char_type(d, space)
   Call: (243) [system] arg(_1777242, v('(', ')', end_of_file), d)
   Fail: (243) [system] arg(_1778174, v('(', ')', end_of_file), d)
^  Fail: (242) [user] is_delimiter(d)
   Call: (242) [system] ')'==d
   Fail: (242) [system] ')'==d
   Call: (242) [system] get_char((0x55772f068e50), d)
   Exit: (242) [system] get_char((0x55772f068e50), d)
   Call: (242) [system] d=(\)
   Fail: (242) [system] d=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x55772f068e50), _1785524)
   Call: (243) [system] peek_char((0x55772f068e50), _1786458)
   Exit: (243) [system] peek_char((0x55772f068e50), u)
^  Call: (243) [user] is_delimiter(u)
   Call: (244) [system] char_type(u, space)
   Fail: (244) [system] char_type(u, space)
   Call: (244) [system] arg(_1791178, v('(', ')', end_of_file), u)
   Fail: (244) [system] arg(_1792110, v('(', ')', end_of_file), u)
^  Fail: (243) [user] is_delimiter(u)
   Call: (243) [system] ')'==u
   Fail: (243) [system] ')'==u
   Call: (243) [system] get_char((0x55772f068e50), u)
   Exit: (243) [system] get_char((0x55772f068e50), u)
   Call: (243) [system] u=(\)
   Fail: (243) [system] u=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x55772f068e50), _1799460)
   Call: (244) [system] peek_char((0x55772f068e50), _1800394)
   Exit: (244) [system] peek_char((0x55772f068e50), c)
^  Call: (244) [user] is_delimiter(c)
   Call: (245) [system] char_type(c, space)
   Fail: (245) [system] char_type(c, space)
   Call: (245) [system] arg(_1805114, v('(', ')', end_of_file), c)
   Fail: (245) [system] arg(_1806046, v('(', ')', end_of_file), c)
^  Fail: (244) [user] is_delimiter(c)
   Call: (244) [system] ')'==c
   Fail: (244) [system] ')'==c
   Call: (244) [system] get_char((0x55772f068e50), c)
   Exit: (244) [system] get_char((0x55772f068e50), c)
   Call: (244) [system] c=(\)
   Fail: (244) [system] c=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x55772f068e50), _1813396)
   Call: (245) [system] peek_char((0x55772f068e50), _1814330)
   Exit: (245) [system] peek_char((0x55772f068e50), t)
^  Call: (245) [user] is_delimiter(t)
   Call: (246) [system] char_type(t, space)
   Fail: (246) [system] char_type(t, space)
   Call: (246) [system] arg(_1819050, v('(', ')', end_of_file), t)
   Fail: (246) [system] arg(_1819982, v('(', ')', end_of_file), t)
^  Fail: (245) [user] is_delimiter(t)
   Call: (245) [system] ')'==t
   Fail: (245) [system] ')'==t
   Call: (245) [system] get_char((0x55772f068e50), t)
   Exit: (245) [system] get_char((0x55772f068e50), t)
   Call: (245) [system] t=(\)
   Fail: (245) [system] t=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x55772f068e50), _1827332)
   Call: (246) [system] peek_char((0x55772f068e50), _1828266)
   Exit: (246) [system] peek_char((0x55772f068e50), i)
^  Call: (246) [user] is_delimiter(i)
   Call: (247) [system] char_type(i, space)
   Fail: (247) [system] char_type(i, space)
   Call: (247) [system] arg(_1832986, v('(', ')', end_of_file), i)
   Fail: (247) [system] arg(_1833918, v('(', ')', end_of_file), i)
^  Fail: (246) [user] is_delimiter(i)
   Call: (246) [system] ')'==i
   Fail: (246) [system] ')'==i
   Call: (246) [system] get_char((0x55772f068e50), i)
   Exit: (246) [system] get_char((0x55772f068e50), i)
   Call: (246) [system] i=(\)
   Fail: (246) [system] i=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x55772f068e50), _1841268)
   Call: (247) [system] peek_char((0x55772f068e50), _1842202)
   Exit: (247) [system] peek_char((0x55772f068e50), o)
^  Call: (247) [user] is_delimiter(o)
   Call: (248) [system] char_type(o, space)
   Fail: (248) [system] char_type(o, space)
   Call: (248) [system] arg(_1846922, v('(', ')', end_of_file), o)
   Fail: (248) [system] arg(_1847854, v('(', ')', end_of_file), o)
^  Fail: (247) [user] is_delimiter(o)
   Call: (247) [system] ')'==o
   Fail: (247) [system] ')'==o
   Call: (247) [system] get_char((0x55772f068e50), o)
   Exit: (247) [system] get_char((0x55772f068e50), o)
   Call: (247) [system] o=(\)
   Fail: (247) [system] o=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x55772f068e50), _1855204)
   Call: (248) [system] peek_char((0x55772f068e50), _1856138)
   Exit: (248) [system] peek_char((0x55772f068e50), n)
^  Call: (248) [user] is_delimiter(n)
   Call: (249) [system] char_type(n, space)
   Fail: (249) [system] char_type(n, space)
   Call: (249) [system] arg(_1860858, v('(', ')', end_of_file), n)
   Fail: (249) [system] arg(_1861790, v('(', ')', end_of_file), n)
^  Fail: (248) [user] is_delimiter(n)
   Call: (248) [system] ')'==n
   Fail: (248) [system] ')'==n
   Call: (248) [system] get_char((0x55772f068e50), n)
   Exit: (248) [system] get_char((0x55772f068e50), n)
   Call: (248) [system] n=(\)
   Fail: (248) [system] n=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x55772f068e50), _1869140)
   Call: (249) [system] peek_char((0x55772f068e50), _1870074)
   Exit: (249) [system] peek_char((0x55772f068e50), ' ')
^  Call: (249) [user] is_delimiter(' ')
   Call: (250) [system] char_type(' ', space)
   Exit: (250) [system] char_type(' ', space)
^  Exit: (249) [user] is_delimiter(' ')
   Call: (249) [system] _1869140=[]
   Exit: (249) [system] []=[]
^  Exit: (248) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (248) [system] _1855204=[n]
   Exit: (248) [system] [n]=[n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (247) [system] _1841268=[o, n]
   Exit: (247) [system] [o, n]=[o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (246) [system] _1827332=[i, o, n]
   Exit: (246) [system] [i, o, n]=[i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (245) [system] _1813396=[t, i, o, n]
   Exit: (245) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (244) [system] _1799460=[c, t, i, o, n]
   Exit: (244) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (243) [system] _1785524=[u, c, t, i, o, n]
   Exit: (243) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (242) [system] _1771588=[d, u, c, t, i, o, n]
   Exit: (242) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (241) [system] _1757652=[o, d, u, c, t, i, o, n]
   Exit: (241) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (240) [system] _1743716=[r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _1729780=[t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _1715844=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _1701908=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1687972=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1674036=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1660100=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1646164=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1632228=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1618292=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1604356=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1590420=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1576484=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1562548=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (226) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1527038)
^  Call: (227) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1940826)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1941778, _1941780), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1940826), _1941760, fail)), '$restore_trace'(_1941778, _1941780))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1941778, _1941780))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1940826), _1941760, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1940826)
   Fail: (228) [system] atomic(_1940826)
   Call: (228) [system] atom_chars(_1940826, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (228) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (227) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (227) [system] integer('DisjunctionIntroduction')
   Fail: (227) [system] integer('DisjunctionIntroduction')
   Call: (227) [system] _1527038='DisjunctionIntroduction'
   Exit: (227) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (226) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (225) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (224) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (224) [user] read_list(')', (0x55772f068e50), _1955776)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1957634)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x55772f068e50), _1967228)
   Exit: (226) [system] get_char((0x55772f068e50), ' ')
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1969932)
   Exit: (227) [system] peek_char((0x55772f068e50), a)
   Call: (227) [system] a=(;)
   Fail: (227) [system] a=(;)
   Call: (227) [system] a=(/)
   Fail: (227) [system] a=(/)
^  Call: (227) [user] is_like_space(a)
   Call: (228) [system] char_type(a, 'white')
   Fail: (228) [system] char_type(a, 'white')
   Call: (228) [system] char_type(a, end_of_line)
   Fail: (228) [system] char_type(a, end_of_line)
   Call: (228) [system] char_type(a, space)
   Fail: (228) [system] char_type(a, space)
   Call: (228) [system] char_type(a, cntrl)
   Fail: (228) [system] char_type(a, cntrl)
^  Fail: (227) [user] is_like_space(a)
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1986866)
   Exit: (225) [system] peek_char((0x55772f068e50), a)
   Call: (225) [system] a=')'
   Fail: (225) [system] a=')'
   Call: (225) [system] a=end_of_file
   Fail: (225) [system] a=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x55772f068e50), _1992436)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1994294)
   Exit: (227) [system] peek_char((0x55772f068e50), a)
   Call: (227) [system] a=(;)
   Fail: (227) [system] a=(;)
   Call: (227) [system] a=(/)
   Fail: (227) [system] a=(/)
^  Call: (227) [user] is_like_space(a)
   Call: (228) [system] char_type(a, 'white')
   Fail: (228) [system] char_type(a, 'white')
   Call: (228) [system] char_type(a, end_of_line)
   Fail: (228) [system] char_type(a, end_of_line)
   Call: (228) [system] char_type(a, space)
   Fail: (228) [system] char_type(a, space)
   Call: (228) [system] char_type(a, cntrl)
   Fail: (228) [system] char_type(a, cntrl)
^  Fail: (227) [user] is_like_space(a)
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] get_char((0x55772f068e50), _2010304)
   Exit: (226) [system] get_char((0x55772f068e50), a)
   Call: (226) [system] a='('
   Fail: (226) [system] a='('
   Call: (226) [system] a='['
   Fail: (226) [system] a='['
   Call: (226) [system] a='{'
   Fail: (226) [system] a='{'
   Call: (226) [system] a='"'
   Fail: (226) [system] a='"'
   Call: (226) [system] a=!
   Fail: (226) [system] a=!
   Call: (226) [system] a='\''
   Fail: (226) [system] a='\''
   Call: (226) [system] a='`'
   Fail: (226) [system] a='`'
   Call: (226) [system] a=end_of_file
   Fail: (226) [system] a=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x55772f068e50), a, _1992436)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _2027946)
   Call: (228) [system] peek_char((0x55772f068e50), _2028880)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _2027946=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (227) [user] classify_and_convert_charseq([a], _1992436)
^  Call: (228) [user] classify_and_convert_charseq_([a], _2038164)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_2039116, _2039118), once(user:catch(read_from_chars([a], _2038164), _2039098, fail)), '$restore_trace'(_2039116, _2039118))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_2039116, _2039118))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _2039098, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(a)
   Exit: (229) [system] atomic(a)
^  Exit: (228) [user] classify_and_convert_charseq_([a], a)
   Call: (228) [system] integer(a)
   Fail: (228) [system] integer(a)
   Call: (228) [system] _1992436=a
   Exit: (228) [system] a=a
^  Exit: (227) [user] classify_and_convert_charseq([a], a)
^  Exit: (226) [user] read_symbolic(')', (0x55772f068e50), a, a)
^  Exit: (225) [user] cont_sexpr(')', (0x55772f068e50), a)
^  Call: (225) [user] read_list(')', (0x55772f068e50), _2051244)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _2053102)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x55772f068e50), _2062696)
   Exit: (227) [system] get_char((0x55772f068e50), ' ')
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _2065400)
   Exit: (228) [system] peek_char((0x55772f068e50), a)
   Call: (228) [system] a=(;)
   Fail: (228) [system] a=(;)
   Call: (228) [system] a=(/)
   Fail: (228) [system] a=(/)
^  Call: (228) [user] is_like_space(a)
   Call: (229) [system] char_type(a, 'white')
   Fail: (229) [system] char_type(a, 'white')
   Call: (229) [system] char_type(a, end_of_line)
   Fail: (229) [system] char_type(a, end_of_line)
   Call: (229) [system] char_type(a, space)
   Fail: (229) [system] char_type(a, space)
   Call: (229) [system] char_type(a, cntrl)
   Fail: (229) [system] char_type(a, cntrl)
^  Fail: (228) [user] is_like_space(a)
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _2082334)
   Exit: (226) [system] peek_char((0x55772f068e50), a)
   Call: (226) [system] a=')'
   Fail: (226) [system] a=')'
   Call: (226) [system] a=end_of_file
   Fail: (226) [system] a=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x55772f068e50), _2087904)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _2089762)
   Exit: (228) [system] peek_char((0x55772f068e50), a)
   Call: (228) [system] a=(;)
   Fail: (228) [system] a=(;)
   Call: (228) [system] a=(/)
   Fail: (228) [system] a=(/)
^  Call: (228) [user] is_like_space(a)
   Call: (229) [system] char_type(a, 'white')
   Fail: (229) [system] char_type(a, 'white')
   Call: (229) [system] char_type(a, end_of_line)
   Fail: (229) [system] char_type(a, end_of_line)
   Call: (229) [system] char_type(a, space)
   Fail: (229) [system] char_type(a, space)
   Call: (229) [system] char_type(a, cntrl)
   Fail: (229) [system] char_type(a, cntrl)
^  Fail: (228) [user] is_like_space(a)
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] get_char((0x55772f068e50), _15232)
   Exit: (227) [system] get_char((0x55772f068e50), a)
   Call: (227) [system] a='('
   Fail: (227) [system] a='('
   Call: (227) [system] a='['
   Fail: (227) [system] a='['
   Call: (227) [system] a='{'
   Fail: (227) [system] a='{'
   Call: (227) [system] a='"'
   Fail: (227) [system] a='"'
   Call: (227) [system] a=!
   Fail: (227) [system] a=!
   Call: (227) [system] a='\''
   Fail: (227) [system] a='\''
   Call: (227) [system] a='`'
   Fail: (227) [system] a='`'
   Call: (227) [system] a=end_of_file
   Fail: (227) [system] a=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x55772f068e50), a, _6248)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _32874)
   Call: (229) [system] peek_char((0x55772f068e50), _33808)
   Exit: (229) [system] peek_char((0x55772f068e50), b)
^  Call: (229) [user] is_delimiter(b)
   Call: (230) [system] char_type(b, space)
   Fail: (230) [system] char_type(b, space)
   Call: (230) [system] arg(_38528, v('(', ')', end_of_file), b)
   Fail: (230) [system] arg(_39460, v('(', ')', end_of_file), b)
^  Fail: (229) [user] is_delimiter(b)
   Call: (229) [system] ')'==b
   Fail: (229) [system] ')'==b
   Call: (229) [system] get_char((0x55772f068e50), b)
   Exit: (229) [system] get_char((0x55772f068e50), b)
   Call: (229) [system] b=(\)
   Fail: (229) [system] b=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _46810)
   Call: (230) [system] peek_char((0x55772f068e50), _47744)
   Exit: (230) [system] peek_char((0x55772f068e50), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Fail: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_52464, v('(', ')', end_of_file), c)
   Fail: (231) [system] arg(_53396, v('(', ')', end_of_file), c)
^  Fail: (230) [user] is_delimiter(c)
   Call: (230) [system] ')'==c
   Fail: (230) [system] ')'==c
   Call: (230) [system] get_char((0x55772f068e50), c)
   Exit: (230) [system] get_char((0x55772f068e50), c)
   Call: (230) [system] c=(\)
   Fail: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _60746)
   Call: (231) [system] peek_char((0x55772f068e50), _61680)
   Exit: (231) [system] peek_char((0x55772f068e50), ')')
^  Call: (231) [user] is_delimiter(')')
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] arg(_66400, v('(', ')', end_of_file), ')')
   Exit: (232) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (231) [user] is_delimiter(')')
   Call: (231) [system] _60746=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (230) [system] _46810=[c]
   Exit: (230) [system] [c]=[c]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (229) [system] _32874=[b, c]
   Exit: (229) [system] [b, c]=[b, c]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (228) [user] classify_and_convert_charseq([a, b, c], _6248)
^  Call: (229) [user] classify_and_convert_charseq_([a, b, c], _78424)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_79376, _79378), once(user:catch(read_from_chars([a, b, c], _78424), _79358, fail)), '$restore_trace'(_79376, _79378))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_79376, _79378))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _79358, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(abc)
   Exit: (230) [system] atomic(abc)
^  Exit: (229) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (229) [system] integer(abc)
   Fail: (229) [system] integer(abc)
   Call: (229) [system] _6248=abc
   Exit: (229) [system] abc=abc
^  Exit: (228) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (227) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (226) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (226) [user] read_list(')', (0x55772f068e50), _91504)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _93362)
   Exit: (228) [system] peek_char((0x55772f068e50), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
   Call: (228) [system] ')'=(/)
   Fail: (228) [system] ')'=(/)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _109372)
   Exit: (227) [system] peek_char((0x55772f068e50), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x55772f068e50), _113162)
   Exit: (227) [system] get_char((0x55772f068e50), ')')
   Call: (227) [system] _91504=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x55772f068e50), [])
   Call: (226) [system] _6244=[abc]
   Exit: (226) [system] [abc]=[abc]
^  Exit: (225) [user] read_list(')', (0x55772f068e50), [abc])
   Call: (225) [system] _6238=[a, abc]
   Exit: (225) [system] [a, abc]=[a, abc]
^  Exit: (224) [user] read_list(')', (0x55772f068e50), [a, abc])
   Call: (224) [system] _6230=['DisjunctionIntroduction', a, abc]
   Exit: (224) [system] ['DisjunctionIntroduction', a, abc]=['DisjunctionIntroduction', a, abc]
^  Exit: (223) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', a, abc])
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', a, abc])
^  Call: (222) [user] read_list(')', (0x55772f068e50), _127044)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _128902)
   Exit: (224) [system] peek_char((0x55772f068e50), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
   Call: (224) [system] ')'=(/)
   Fail: (224) [system] ')'=(/)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _144912)
   Exit: (223) [system] peek_char((0x55772f068e50), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x55772f068e50), _148702)
   Exit: (223) [system] get_char((0x55772f068e50), ')')
   Call: (223) [system] _127044=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x55772f068e50), [])
   Call: (222) [system] _6226=[['DisjunctionIntroduction', a, abc]]
   Exit: (222) [system] [['DisjunctionIntroduction', a, abc]]=[['DisjunctionIntroduction', a, abc]]
^  Exit: (221) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', a, abc]])
   Call: (221) [system] _6220=[abc, ['DisjunctionIntroduction', a, abc]]
   Exit: (221) [system] [abc, ['DisjunctionIntroduction', a, abc]]=[abc, ['DisjunctionIntroduction', a, abc]]
^  Exit: (220) [user] read_list(')', (0x55772f068e50), [abc, ['DisjunctionIntroduction', a, abc]])
   Call: (220) [system] _6212=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]]
   Exit: (220) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]]
^  Exit: (219) [user] read_list(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]])
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]])
^  Call: (218) [user] read_list(')', (0x55772f068e50), _162584)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _164442)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x55772f068e50), _174036)
   Exit: (220) [system] get_char((0x55772f068e50), ' ')
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _176740)
   Exit: (221) [system] peek_char((0x55772f068e50), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _193674)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _199244)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _201102)
   Exit: (221) [system] peek_char((0x55772f068e50), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _217112)
   Exit: (220) [system] get_char((0x55772f068e50), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x55772f068e50), _199244)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _222682)
   Exit: (222) [system] peek_char((0x55772f068e50), 'O')
   Call: (222) [system] 'O'=(;)
   Fail: (222) [system] 'O'=(;)
   Call: (222) [system] 'O'=(/)
   Fail: (222) [system] 'O'=(/)
^  Call: (222) [user] is_like_space('O')
   Call: (223) [system] char_type('O', 'white')
   Fail: (223) [system] char_type('O', 'white')
   Call: (223) [system] char_type('O', end_of_line)
   Fail: (223) [system] char_type('O', end_of_line)
   Call: (223) [system] char_type('O', space)
   Fail: (223) [system] char_type('O', space)
   Call: (223) [system] char_type('O', cntrl)
   Fail: (223) [system] char_type('O', cntrl)
^  Fail: (222) [user] is_like_space('O')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _238692)
   Exit: (221) [system] peek_char((0x55772f068e50), 'O')
   Call: (221) [system] 'O'=')'
   Fail: (221) [system] 'O'=')'
   Call: (221) [system] 'O'=end_of_file
   Fail: (221) [system] 'O'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _244262)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _246120)
   Exit: (223) [system] peek_char((0x55772f068e50), 'O')
   Call: (223) [system] 'O'=(;)
   Fail: (223) [system] 'O'=(;)
   Call: (223) [system] 'O'=(/)
   Fail: (223) [system] 'O'=(/)
^  Call: (223) [user] is_like_space('O')
   Call: (224) [system] char_type('O', 'white')
   Fail: (224) [system] char_type('O', 'white')
   Call: (224) [system] char_type('O', end_of_line)
   Fail: (224) [system] char_type('O', end_of_line)
   Call: (224) [system] char_type('O', space)
   Fail: (224) [system] char_type('O', space)
   Call: (224) [system] char_type('O', cntrl)
   Fail: (224) [system] char_type('O', cntrl)
^  Fail: (223) [user] is_like_space('O')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _262130)
   Exit: (222) [system] get_char((0x55772f068e50), 'O')
   Call: (222) [system] 'O'='('
   Fail: (222) [system] 'O'='('
   Call: (222) [system] 'O'='['
   Fail: (222) [system] 'O'='['
   Call: (222) [system] 'O'='{'
   Fail: (222) [system] 'O'='{'
   Call: (222) [system] 'O'='"'
   Fail: (222) [system] 'O'='"'
   Call: (222) [system] 'O'=!
   Fail: (222) [system] 'O'=!
   Call: (222) [system] 'O'='\''
   Fail: (222) [system] 'O'='\''
   Call: (222) [system] 'O'='`'
   Fail: (222) [system] 'O'='`'
   Call: (222) [system] 'O'=end_of_file
   Fail: (222) [system] 'O'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x55772f068e50), 'O', _244262)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _279772)
   Call: (224) [system] peek_char((0x55772f068e50), _280706)
   Exit: (224) [system] peek_char((0x55772f068e50), r)
^  Call: (224) [user] is_delimiter(r)
   Call: (225) [system] char_type(r, space)
   Fail: (225) [system] char_type(r, space)
   Call: (225) [system] arg(_285426, v('(', ')', end_of_file), r)
   Fail: (225) [system] arg(_286358, v('(', ')', end_of_file), r)
^  Fail: (224) [user] is_delimiter(r)
   Call: (224) [system] ')'==r
   Fail: (224) [system] ')'==r
   Call: (224) [system] get_char((0x55772f068e50), r)
   Exit: (224) [system] get_char((0x55772f068e50), r)
   Call: (224) [system] r=(\)
   Fail: (224) [system] r=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _293708)
   Call: (225) [system] peek_char((0x55772f068e50), _294642)
   Exit: (225) [system] peek_char((0x55772f068e50), 'L')
^  Call: (225) [user] is_delimiter('L')
   Call: (226) [system] char_type('L', space)
   Fail: (226) [system] char_type('L', space)
   Call: (226) [system] arg(_299362, v('(', ')', end_of_file), 'L')
   Fail: (226) [system] arg(_300294, v('(', ')', end_of_file), 'L')
^  Fail: (225) [user] is_delimiter('L')
   Call: (225) [system] ')'=='L'
   Fail: (225) [system] ')'=='L'
   Call: (225) [system] get_char((0x55772f068e50), 'L')
   Exit: (225) [system] get_char((0x55772f068e50), 'L')
   Call: (225) [system] 'L'=(\)
   Fail: (225) [system] 'L'=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _307644)
   Call: (226) [system] peek_char((0x55772f068e50), _308578)
   Exit: (226) [system] peek_char((0x55772f068e50), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_313298, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_314230, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x55772f068e50), i)
   Exit: (226) [system] get_char((0x55772f068e50), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _321580)
   Call: (227) [system] peek_char((0x55772f068e50), _322514)
   Exit: (227) [system] peek_char((0x55772f068e50), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_327234, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_328166, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x55772f068e50), n)
   Exit: (227) [system] get_char((0x55772f068e50), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _335516)
   Call: (228) [system] peek_char((0x55772f068e50), _336450)
   Exit: (228) [system] peek_char((0x55772f068e50), k)
^  Call: (228) [user] is_delimiter(k)
   Call: (229) [system] char_type(k, space)
   Fail: (229) [system] char_type(k, space)
   Call: (229) [system] arg(_341170, v('(', ')', end_of_file), k)
   Fail: (229) [system] arg(_342102, v('(', ')', end_of_file), k)
^  Fail: (228) [user] is_delimiter(k)
   Call: (228) [system] ')'==k
   Fail: (228) [system] ')'==k
   Call: (228) [system] get_char((0x55772f068e50), k)
   Exit: (228) [system] get_char((0x55772f068e50), k)
   Call: (228) [system] k=(\)
   Fail: (228) [system] k=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _349452)
   Call: (229) [system] peek_char((0x55772f068e50), _350386)
   Exit: (229) [system] peek_char((0x55772f068e50), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _349452=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (228) [system] _335516=[k]
   Exit: (228) [system] [k]=[k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (227) [system] _321580=[n, k]
   Exit: (227) [system] [n, k]=[n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (226) [system] _307644=[i, n, k]
   Exit: (226) [system] [i, n, k]=[i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (225) [system] _293708=['L', i, n, k]
   Exit: (225) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (224) [system] _279772=[r, 'L', i, n, k]
   Exit: (224) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (223) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _244262)
^  Call: (224) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _373640)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_374592, _374594), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _373640), _374574, fail)), '$restore_trace'(_374592, _374594))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_374592, _374594))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _373640), _374574, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_373640)
   Fail: (225) [system] atomic(_373640)
   Call: (225) [system] atom_chars(_373640, ['O', r, 'L', i, n, k])
   Exit: (225) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (224) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (224) [system] integer('OrLink')
   Fail: (224) [system] integer('OrLink')
   Call: (224) [system] _244262='OrLink'
   Exit: (224) [system] 'OrLink'='OrLink'
^  Exit: (223) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (222) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (221) [user] read_list(')', (0x55772f068e50), _388590)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _390448)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x55772f068e50), _400042)
   Exit: (223) [system] get_char((0x55772f068e50), ' ')
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _402746)
   Exit: (224) [system] peek_char((0x55772f068e50), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _419680)
   Exit: (222) [system] peek_char((0x55772f068e50), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _425250)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _427108)
   Exit: (224) [system] peek_char((0x55772f068e50), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _443118)
   Exit: (223) [system] get_char((0x55772f068e50), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x55772f068e50), _425250)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _448688)
   Exit: (225) [system] peek_char((0x55772f068e50), 'I')
   Call: (225) [system] 'I'=(;)
   Fail: (225) [system] 'I'=(;)
   Call: (225) [system] 'I'=(/)
   Fail: (225) [system] 'I'=(/)
^  Call: (225) [user] is_like_space('I')
   Call: (226) [system] char_type('I', 'white')
   Fail: (226) [system] char_type('I', 'white')
   Call: (226) [system] char_type('I', end_of_line)
   Fail: (226) [system] char_type('I', end_of_line)
   Call: (226) [system] char_type('I', space)
   Fail: (226) [system] char_type('I', space)
   Call: (226) [system] char_type('I', cntrl)
   Fail: (226) [system] char_type('I', cntrl)
^  Fail: (225) [user] is_like_space('I')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _464698)
   Exit: (224) [system] peek_char((0x55772f068e50), 'I')
   Call: (224) [system] 'I'=')'
   Fail: (224) [system] 'I'=')'
   Call: (224) [system] 'I'=end_of_file
   Fail: (224) [system] 'I'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x55772f068e50), _470268)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _472126)
   Exit: (226) [system] peek_char((0x55772f068e50), 'I')
   Call: (226) [system] 'I'=(;)
   Fail: (226) [system] 'I'=(;)
   Call: (226) [system] 'I'=(/)
   Fail: (226) [system] 'I'=(/)
^  Call: (226) [user] is_like_space('I')
   Call: (227) [system] char_type('I', 'white')
   Fail: (227) [system] char_type('I', 'white')
   Call: (227) [system] char_type('I', end_of_line)
   Fail: (227) [system] char_type('I', end_of_line)
   Call: (227) [system] char_type('I', space)
   Fail: (227) [system] char_type('I', space)
   Call: (227) [system] char_type('I', cntrl)
   Fail: (227) [system] char_type('I', cntrl)
^  Fail: (226) [user] is_like_space('I')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] get_char((0x55772f068e50), _488136)
   Exit: (225) [system] get_char((0x55772f068e50), 'I')
   Call: (225) [system] 'I'='('
   Fail: (225) [system] 'I'='('
   Call: (225) [system] 'I'='['
   Fail: (225) [system] 'I'='['
   Call: (225) [system] 'I'='{'
   Fail: (225) [system] 'I'='{'
   Call: (225) [system] 'I'='"'
   Fail: (225) [system] 'I'='"'
   Call: (225) [system] 'I'=!
   Fail: (225) [system] 'I'=!
   Call: (225) [system] 'I'='\''
   Fail: (225) [system] 'I'='\''
   Call: (225) [system] 'I'='`'
   Fail: (225) [system] 'I'='`'
   Call: (225) [system] 'I'=end_of_file
   Fail: (225) [system] 'I'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x55772f068e50), 'I', _470268)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _505778)
   Call: (227) [system] peek_char((0x55772f068e50), _506712)
   Exit: (227) [system] peek_char((0x55772f068e50), m)
^  Call: (227) [user] is_delimiter(m)
   Call: (228) [system] char_type(m, space)
   Fail: (228) [system] char_type(m, space)
   Call: (228) [system] arg(_511432, v('(', ')', end_of_file), m)
   Fail: (228) [system] arg(_512364, v('(', ')', end_of_file), m)
^  Fail: (227) [user] is_delimiter(m)
   Call: (227) [system] ')'==m
   Fail: (227) [system] ')'==m
   Call: (227) [system] get_char((0x55772f068e50), m)
   Exit: (227) [system] get_char((0x55772f068e50), m)
   Call: (227) [system] m=(\)
   Fail: (227) [system] m=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _519714)
   Call: (228) [system] peek_char((0x55772f068e50), _520648)
   Exit: (228) [system] peek_char((0x55772f068e50), p)
^  Call: (228) [user] is_delimiter(p)
   Call: (229) [system] char_type(p, space)
   Fail: (229) [system] char_type(p, space)
   Call: (229) [system] arg(_525368, v('(', ')', end_of_file), p)
   Fail: (229) [system] arg(_526300, v('(', ')', end_of_file), p)
^  Fail: (228) [user] is_delimiter(p)
   Call: (228) [system] ')'==p
   Fail: (228) [system] ')'==p
   Call: (228) [system] get_char((0x55772f068e50), p)
   Exit: (228) [system] get_char((0x55772f068e50), p)
   Call: (228) [system] p=(\)
   Fail: (228) [system] p=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _533650)
   Call: (229) [system] peek_char((0x55772f068e50), _534584)
   Exit: (229) [system] peek_char((0x55772f068e50), l)
^  Call: (229) [user] is_delimiter(l)
   Call: (230) [system] char_type(l, space)
   Fail: (230) [system] char_type(l, space)
   Call: (230) [system] arg(_539304, v('(', ')', end_of_file), l)
   Fail: (230) [system] arg(_540236, v('(', ')', end_of_file), l)
^  Fail: (229) [user] is_delimiter(l)
   Call: (229) [system] ')'==l
   Fail: (229) [system] ')'==l
   Call: (229) [system] get_char((0x55772f068e50), l)
   Exit: (229) [system] get_char((0x55772f068e50), l)
   Call: (229) [system] l=(\)
   Fail: (229) [system] l=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _547586)
   Call: (230) [system] peek_char((0x55772f068e50), _548520)
   Exit: (230) [system] peek_char((0x55772f068e50), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_553240, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_554172, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x55772f068e50), i)
   Exit: (230) [system] get_char((0x55772f068e50), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _561522)
   Call: (231) [system] peek_char((0x55772f068e50), _562456)
   Exit: (231) [system] peek_char((0x55772f068e50), c)
^  Call: (231) [user] is_delimiter(c)
   Call: (232) [system] char_type(c, space)
   Fail: (232) [system] char_type(c, space)
   Call: (232) [system] arg(_567176, v('(', ')', end_of_file), c)
   Fail: (232) [system] arg(_568108, v('(', ')', end_of_file), c)
^  Fail: (231) [user] is_delimiter(c)
   Call: (231) [system] ')'==c
   Fail: (231) [system] ')'==c
   Call: (231) [system] get_char((0x55772f068e50), c)
   Exit: (231) [system] get_char((0x55772f068e50), c)
   Call: (231) [system] c=(\)
   Fail: (231) [system] c=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _575458)
   Call: (232) [system] peek_char((0x55772f068e50), _576392)
   Exit: (232) [system] peek_char((0x55772f068e50), a)
^  Call: (232) [user] is_delimiter(a)
   Call: (233) [system] char_type(a, space)
   Fail: (233) [system] char_type(a, space)
   Call: (233) [system] arg(_581112, v('(', ')', end_of_file), a)
   Fail: (233) [system] arg(_582044, v('(', ')', end_of_file), a)
^  Fail: (232) [user] is_delimiter(a)
   Call: (232) [system] ')'==a
   Fail: (232) [system] ')'==a
   Call: (232) [system] get_char((0x55772f068e50), a)
   Exit: (232) [system] get_char((0x55772f068e50), a)
   Call: (232) [system] a=(\)
   Fail: (232) [system] a=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _589394)
   Call: (233) [system] peek_char((0x55772f068e50), _590328)
   Exit: (233) [system] peek_char((0x55772f068e50), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Fail: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_595048, v('(', ')', end_of_file), t)
   Fail: (234) [system] arg(_595980, v('(', ')', end_of_file), t)
^  Fail: (233) [user] is_delimiter(t)
   Call: (233) [system] ')'==t
   Fail: (233) [system] ')'==t
   Call: (233) [system] get_char((0x55772f068e50), t)
   Exit: (233) [system] get_char((0x55772f068e50), t)
   Call: (233) [system] t=(\)
   Fail: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _603330)
   Call: (234) [system] peek_char((0x55772f068e50), _604264)
   Exit: (234) [system] peek_char((0x55772f068e50), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_608984, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_609916, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x55772f068e50), i)
   Exit: (234) [system] get_char((0x55772f068e50), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _617266)
   Call: (235) [system] peek_char((0x55772f068e50), _618200)
   Exit: (235) [system] peek_char((0x55772f068e50), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Fail: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_622920, v('(', ')', end_of_file), o)
   Fail: (236) [system] arg(_623852, v('(', ')', end_of_file), o)
^  Fail: (235) [user] is_delimiter(o)
   Call: (235) [system] ')'==o
   Fail: (235) [system] ')'==o
   Call: (235) [system] get_char((0x55772f068e50), o)
   Exit: (235) [system] get_char((0x55772f068e50), o)
   Call: (235) [system] o=(\)
   Fail: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _631202)
   Call: (236) [system] peek_char((0x55772f068e50), _632136)
   Exit: (236) [system] peek_char((0x55772f068e50), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_636856, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_637788, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x55772f068e50), n)
   Exit: (236) [system] get_char((0x55772f068e50), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _645138)
   Call: (237) [system] peek_char((0x55772f068e50), _646072)
   Exit: (237) [system] peek_char((0x55772f068e50), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _645138=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (236) [system] _631202=[n]
   Exit: (236) [system] [n]=[n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (235) [system] _617266=[o, n]
   Exit: (235) [system] [o, n]=[o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (234) [system] _603330=[i, o, n]
   Exit: (234) [system] [i, o, n]=[i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (233) [system] _589394=[t, i, o, n]
   Exit: (233) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (232) [system] _575458=[a, t, i, o, n]
   Exit: (232) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (231) [system] _561522=[c, a, t, i, o, n]
   Exit: (231) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (230) [system] _547586=[i, c, a, t, i, o, n]
   Exit: (230) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (229) [system] _533650=[l, i, c, a, t, i, o, n]
   Exit: (229) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (228) [system] _519714=[p, l, i, c, a, t, i, o, n]
   Exit: (228) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (227) [system] _505778=[m, p, l, i, c, a, t, i, o, n]
   Exit: (227) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (226) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _470268)
^  Call: (227) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _683296)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_684248, _684250), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _683296), _684230, fail)), '$restore_trace'(_684248, _684250))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_684248, _684250))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _683296), _684230, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_683296)
   Fail: (228) [system] atomic(_683296)
   Call: (228) [system] atom_chars(_683296, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (228) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (227) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (227) [system] integer('Implication')
   Fail: (227) [system] integer('Implication')
   Call: (227) [system] _470268='Implication'
   Exit: (227) [system] 'Implication'='Implication'
^  Exit: (226) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (225) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (224) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (224) [user] read_list(')', (0x55772f068e50), _698246)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _700104)
   Exit: (226) [system] peek_char((0x55772f068e50), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x55772f068e50), _709698)
   Exit: (226) [system] get_char((0x55772f068e50), ' ')
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _712402)
   Exit: (227) [system] peek_char((0x55772f068e50), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _729336)
   Exit: (225) [system] peek_char((0x55772f068e50), '(')
   Call: (225) [system] '('=')'
   Fail: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
   Fail: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x55772f068e50), _734906)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _736764)
   Exit: (227) [system] peek_char((0x55772f068e50), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] get_char((0x55772f068e50), _752774)
   Exit: (226) [system] get_char((0x55772f068e50), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x55772f068e50), _734906)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _758344)
   Exit: (228) [system] peek_char((0x55772f068e50), 'A')
   Call: (228) [system] 'A'=(;)
   Fail: (228) [system] 'A'=(;)
   Call: (228) [system] 'A'=(/)
   Fail: (228) [system] 'A'=(/)
^  Call: (228) [user] is_like_space('A')
   Call: (229) [system] char_type('A', 'white')
   Fail: (229) [system] char_type('A', 'white')
   Call: (229) [system] char_type('A', end_of_line)
   Fail: (229) [system] char_type('A', end_of_line)
   Call: (229) [system] char_type('A', space)
   Fail: (229) [system] char_type('A', space)
   Call: (229) [system] char_type('A', cntrl)
   Fail: (229) [system] char_type('A', cntrl)
^  Fail: (228) [user] is_like_space('A')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _774354)
   Exit: (227) [system] peek_char((0x55772f068e50), 'A')
   Call: (227) [system] 'A'=')'
   Fail: (227) [system] 'A'=')'
   Call: (227) [system] 'A'=end_of_file
   Fail: (227) [system] 'A'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x55772f068e50), _779924)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _781782)
   Exit: (229) [system] peek_char((0x55772f068e50), 'A')
   Call: (229) [system] 'A'=(;)
   Fail: (229) [system] 'A'=(;)
   Call: (229) [system] 'A'=(/)
   Fail: (229) [system] 'A'=(/)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Fail: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Fail: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Fail: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
   Fail: (230) [system] char_type('A', cntrl)
^  Fail: (229) [user] is_like_space('A')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] get_char((0x55772f068e50), _797792)
   Exit: (228) [system] get_char((0x55772f068e50), 'A')
   Call: (228) [system] 'A'='('
   Fail: (228) [system] 'A'='('
   Call: (228) [system] 'A'='['
   Fail: (228) [system] 'A'='['
   Call: (228) [system] 'A'='{'
   Fail: (228) [system] 'A'='{'
   Call: (228) [system] 'A'='"'
   Fail: (228) [system] 'A'='"'
   Call: (228) [system] 'A'=!
   Fail: (228) [system] 'A'=!
   Call: (228) [system] 'A'='\''
   Fail: (228) [system] 'A'='\''
   Call: (228) [system] 'A'='`'
   Fail: (228) [system] 'A'='`'
   Call: (228) [system] 'A'=end_of_file
   Fail: (228) [system] 'A'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x55772f068e50), 'A', _779924)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _815434)
   Call: (230) [system] peek_char((0x55772f068e50), _816368)
   Exit: (230) [system] peek_char((0x55772f068e50), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_821088, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_822020, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x55772f068e50), n)
   Exit: (230) [system] get_char((0x55772f068e50), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _829370)
   Call: (231) [system] peek_char((0x55772f068e50), _830304)
   Exit: (231) [system] peek_char((0x55772f068e50), d)
^  Call: (231) [user] is_delimiter(d)
   Call: (232) [system] char_type(d, space)
   Fail: (232) [system] char_type(d, space)
   Call: (232) [system] arg(_835024, v('(', ')', end_of_file), d)
   Fail: (232) [system] arg(_835956, v('(', ')', end_of_file), d)
^  Fail: (231) [user] is_delimiter(d)
   Call: (231) [system] ')'==d
   Fail: (231) [system] ')'==d
   Call: (231) [system] get_char((0x55772f068e50), d)
   Exit: (231) [system] get_char((0x55772f068e50), d)
   Call: (231) [system] d=(\)
   Fail: (231) [system] d=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _843306)
   Call: (232) [system] peek_char((0x55772f068e50), _844240)
   Exit: (232) [system] peek_char((0x55772f068e50), 'L')
^  Call: (232) [user] is_delimiter('L')
   Call: (233) [system] char_type('L', space)
   Fail: (233) [system] char_type('L', space)
   Call: (233) [system] arg(_848960, v('(', ')', end_of_file), 'L')
   Fail: (233) [system] arg(_849892, v('(', ')', end_of_file), 'L')
^  Fail: (232) [user] is_delimiter('L')
   Call: (232) [system] ')'=='L'
   Fail: (232) [system] ')'=='L'
   Call: (232) [system] get_char((0x55772f068e50), 'L')
   Exit: (232) [system] get_char((0x55772f068e50), 'L')
   Call: (232) [system] 'L'=(\)
   Fail: (232) [system] 'L'=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _857242)
   Call: (233) [system] peek_char((0x55772f068e50), _858176)
   Exit: (233) [system] peek_char((0x55772f068e50), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_862896, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_863828, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x55772f068e50), i)
   Exit: (233) [system] get_char((0x55772f068e50), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _871178)
   Call: (234) [system] peek_char((0x55772f068e50), _872112)
   Exit: (234) [system] peek_char((0x55772f068e50), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_876832, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_877764, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x55772f068e50), n)
   Exit: (234) [system] get_char((0x55772f068e50), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _885114)
   Call: (235) [system] peek_char((0x55772f068e50), _886048)
   Exit: (235) [system] peek_char((0x55772f068e50), k)
^  Call: (235) [user] is_delimiter(k)
   Call: (236) [system] char_type(k, space)
   Fail: (236) [system] char_type(k, space)
   Call: (236) [system] arg(_890768, v('(', ')', end_of_file), k)
   Fail: (236) [system] arg(_891700, v('(', ')', end_of_file), k)
^  Fail: (235) [user] is_delimiter(k)
   Call: (235) [system] ')'==k
   Fail: (235) [system] ')'==k
   Call: (235) [system] get_char((0x55772f068e50), k)
   Exit: (235) [system] get_char((0x55772f068e50), k)
   Call: (235) [system] k=(\)
   Fail: (235) [system] k=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _899050)
   Call: (236) [system] peek_char((0x55772f068e50), _899984)
   Exit: (236) [system] peek_char((0x55772f068e50), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _899050=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (235) [system] _885114=[k]
   Exit: (235) [system] [k]=[k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (234) [system] _871178=[n, k]
   Exit: (234) [system] [n, k]=[n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (233) [system] _857242=[i, n, k]
   Exit: (233) [system] [i, n, k]=[i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (232) [system] _843306=['L', i, n, k]
   Exit: (232) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (231) [system] _829370=[d, 'L', i, n, k]
   Exit: (231) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (230) [system] _815434=[n, d, 'L', i, n, k]
   Exit: (230) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (229) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _779924)
^  Call: (230) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _926032)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_926984, _926986), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _926032), _926966, fail)), '$restore_trace'(_926984, _926986))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_926984, _926986))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _926032), _926966, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_926032)
   Fail: (231) [system] atomic(_926032)
   Call: (231) [system] atom_chars(_926032, ['A', n, d, 'L', i, n, k])
   Exit: (231) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (230) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (230) [system] integer('AndLink')
   Fail: (230) [system] integer('AndLink')
   Call: (230) [system] _779924='AndLink'
   Exit: (230) [system] 'AndLink'='AndLink'
^  Exit: (229) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (228) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (227) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (227) [user] read_list(')', (0x55772f068e50), _940982)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _942840)
   Exit: (229) [system] peek_char((0x55772f068e50), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x55772f068e50), _952434)
   Exit: (229) [system] get_char((0x55772f068e50), ' ')
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _955138)
   Exit: (230) [system] peek_char((0x55772f068e50), 'A')
   Call: (230) [system] 'A'=(;)
   Fail: (230) [system] 'A'=(;)
   Call: (230) [system] 'A'=(/)
   Fail: (230) [system] 'A'=(/)
^  Call: (230) [user] is_like_space('A')
   Call: (231) [system] char_type('A', 'white')
   Fail: (231) [system] char_type('A', 'white')
   Call: (231) [system] char_type('A', end_of_line)
   Fail: (231) [system] char_type('A', end_of_line)
   Call: (231) [system] char_type('A', space)
   Fail: (231) [system] char_type('A', space)
   Call: (231) [system] char_type('A', cntrl)
   Fail: (231) [system] char_type('A', cntrl)
^  Fail: (230) [user] is_like_space('A')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _972072)
   Exit: (228) [system] peek_char((0x55772f068e50), 'A')
   Call: (228) [system] 'A'=')'
   Fail: (228) [system] 'A'=')'
   Call: (228) [system] 'A'=end_of_file
   Fail: (228) [system] 'A'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x55772f068e50), _977642)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _979500)
   Exit: (230) [system] peek_char((0x55772f068e50), 'A')
   Call: (230) [system] 'A'=(;)
   Fail: (230) [system] 'A'=(;)
   Call: (230) [system] 'A'=(/)
   Fail: (230) [system] 'A'=(/)
^  Call: (230) [user] is_like_space('A')
   Call: (231) [system] char_type('A', 'white')
   Fail: (231) [system] char_type('A', 'white')
   Call: (231) [system] char_type('A', end_of_line)
   Fail: (231) [system] char_type('A', end_of_line)
   Call: (231) [system] char_type('A', space)
   Fail: (231) [system] char_type('A', space)
   Call: (231) [system] char_type('A', cntrl)
   Fail: (231) [system] char_type('A', cntrl)
^  Fail: (230) [user] is_like_space('A')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] get_char((0x55772f068e50), _995510)
   Exit: (229) [system] get_char((0x55772f068e50), 'A')
   Call: (229) [system] 'A'='('
   Fail: (229) [system] 'A'='('
   Call: (229) [system] 'A'='['
   Fail: (229) [system] 'A'='['
   Call: (229) [system] 'A'='{'
   Fail: (229) [system] 'A'='{'
   Call: (229) [system] 'A'='"'
   Fail: (229) [system] 'A'='"'
   Call: (229) [system] 'A'=!
   Fail: (229) [system] 'A'=!
   Call: (229) [system] 'A'='\''
   Fail: (229) [system] 'A'='\''
   Call: (229) [system] 'A'='`'
   Fail: (229) [system] 'A'='`'
   Call: (229) [system] 'A'=end_of_file
   Fail: (229) [system] 'A'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x55772f068e50), 'A', _977642)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1013152)
   Call: (231) [system] peek_char((0x55772f068e50), _1014086)
   Exit: (231) [system] peek_char((0x55772f068e50), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1013152=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (230) [user] classify_and_convert_charseq(['A'], _977642)
^  Call: (231) [user] classify_and_convert_charseq_(['A'], _1023370)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1024322, _1024324), once(user:catch(read_from_chars(['A'], _1023370), _1024304, fail)), '$restore_trace'(_1024322, _1024324))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1024322, _1024324))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1023370), _1024304, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_1023370)
   Fail: (232) [system] atomic(_1023370)
   Call: (232) [system] atom_chars(_1023370, ['A'])
   Exit: (232) [system] atom_chars('A', ['A'])
^  Exit: (231) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (231) [system] integer('A')
   Fail: (231) [system] integer('A')
   Call: (231) [system] _977642='A'
   Exit: (231) [system] 'A'='A'
^  Exit: (230) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (229) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (228) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (228) [user] read_list(')', (0x55772f068e50), _1038320)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1040178)
   Exit: (230) [system] peek_char((0x55772f068e50), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
   Call: (230) [system] ' '=(/)
   Fail: (230) [system] ' '=(/)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x55772f068e50), _1049772)
   Exit: (230) [system] get_char((0x55772f068e50), ' ')
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1052476)
   Exit: (231) [system] peek_char((0x55772f068e50), 'B')
   Call: (231) [system] 'B'=(;)
   Fail: (231) [system] 'B'=(;)
   Call: (231) [system] 'B'=(/)
   Fail: (231) [system] 'B'=(/)
^  Call: (231) [user] is_like_space('B')
   Call: (232) [system] char_type('B', 'white')
   Fail: (232) [system] char_type('B', 'white')
   Call: (232) [system] char_type('B', end_of_line)
   Fail: (232) [system] char_type('B', end_of_line)
   Call: (232) [system] char_type('B', space)
   Fail: (232) [system] char_type('B', space)
   Call: (232) [system] char_type('B', cntrl)
   Fail: (232) [system] char_type('B', cntrl)
^  Fail: (231) [user] is_like_space('B')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1069410)
   Exit: (229) [system] peek_char((0x55772f068e50), 'B')
   Call: (229) [system] 'B'=')'
   Fail: (229) [system] 'B'=')'
   Call: (229) [system] 'B'=end_of_file
   Fail: (229) [system] 'B'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x55772f068e50), _1074980)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1076838)
   Exit: (231) [system] peek_char((0x55772f068e50), 'B')
   Call: (231) [system] 'B'=(;)
   Fail: (231) [system] 'B'=(;)
   Call: (231) [system] 'B'=(/)
   Fail: (231) [system] 'B'=(/)
^  Call: (231) [user] is_like_space('B')
   Call: (232) [system] char_type('B', 'white')
   Fail: (232) [system] char_type('B', 'white')
   Call: (232) [system] char_type('B', end_of_line)
   Fail: (232) [system] char_type('B', end_of_line)
   Call: (232) [system] char_type('B', space)
   Fail: (232) [system] char_type('B', space)
   Call: (232) [system] char_type('B', cntrl)
   Fail: (232) [system] char_type('B', cntrl)
^  Fail: (231) [user] is_like_space('B')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] get_char((0x55772f068e50), _1092848)
   Exit: (230) [system] get_char((0x55772f068e50), 'B')
   Call: (230) [system] 'B'='('
   Fail: (230) [system] 'B'='('
   Call: (230) [system] 'B'='['
   Fail: (230) [system] 'B'='['
   Call: (230) [system] 'B'='{'
   Fail: (230) [system] 'B'='{'
   Call: (230) [system] 'B'='"'
   Fail: (230) [system] 'B'='"'
   Call: (230) [system] 'B'=!
   Fail: (230) [system] 'B'=!
   Call: (230) [system] 'B'='\''
   Fail: (230) [system] 'B'='\''
   Call: (230) [system] 'B'='`'
   Fail: (230) [system] 'B'='`'
   Call: (230) [system] 'B'=end_of_file
   Fail: (230) [system] 'B'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x55772f068e50), 'B', _1074980)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1110490)
   Call: (232) [system] peek_char((0x55772f068e50), _1111424)
   Exit: (232) [system] peek_char((0x55772f068e50), ')')
^  Call: (232) [user] is_delimiter(')')
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] arg(_1116144, v('(', ')', end_of_file), ')')
   Exit: (233) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (232) [user] is_delimiter(')')
   Call: (232) [system] _1110490=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (231) [user] classify_and_convert_charseq(['B'], _1074980)
^  Call: (232) [user] classify_and_convert_charseq_(['B'], _1122580)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1123532, _1123534), once(user:catch(read_from_chars(['B'], _1122580), _1123514, fail)), '$restore_trace'(_1123532, _1123534))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1123532, _1123534))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1122580), _1123514, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_1122580)
   Fail: (233) [system] atomic(_1122580)
   Call: (233) [system] atom_chars(_1122580, ['B'])
   Exit: (233) [system] atom_chars('B', ['B'])
^  Exit: (232) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (232) [system] integer('B')
   Fail: (232) [system] integer('B')
   Call: (232) [system] _1074980='B'
   Exit: (232) [system] 'B'='B'
^  Exit: (231) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (230) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (229) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (229) [user] read_list(')', (0x55772f068e50), _1137530)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1139388)
   Exit: (231) [system] peek_char((0x55772f068e50), ')')
   Call: (231) [system] ')'=(;)
   Fail: (231) [system] ')'=(;)
   Call: (231) [system] ')'=(/)
   Fail: (231) [system] ')'=(/)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Fail: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Fail: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
   Fail: (232) [system] char_type(')', cntrl)
^  Fail: (231) [user] is_like_space(')')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1155398)
   Exit: (230) [system] peek_char((0x55772f068e50), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x55772f068e50), _1159188)
   Exit: (230) [system] get_char((0x55772f068e50), ')')
   Call: (230) [system] _1137530=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x55772f068e50), [])
   Call: (229) [system] _1038320=['B']
   Exit: (229) [system] ['B']=['B']
^  Exit: (228) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (228) [system] _940982=['A', 'B']
   Exit: (228) [system] ['A', 'B']=['A', 'B']
^  Exit: (227) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (227) [system] _734906=['AndLink', 'A', 'B']
   Exit: (227) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (226) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (225) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (225) [user] read_list(')', (0x55772f068e50), _1173070)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1174928)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x55772f068e50), _1184522)
   Exit: (227) [system] get_char((0x55772f068e50), ' ')
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1187226)
   Exit: (228) [system] peek_char((0x55772f068e50), 'C')
   Call: (228) [system] 'C'=(;)
   Fail: (228) [system] 'C'=(;)
   Call: (228) [system] 'C'=(/)
   Fail: (228) [system] 'C'=(/)
^  Call: (228) [user] is_like_space('C')
   Call: (229) [system] char_type('C', 'white')
   Fail: (229) [system] char_type('C', 'white')
   Call: (229) [system] char_type('C', end_of_line)
   Fail: (229) [system] char_type('C', end_of_line)
   Call: (229) [system] char_type('C', space)
   Fail: (229) [system] char_type('C', space)
   Call: (229) [system] char_type('C', cntrl)
   Fail: (229) [system] char_type('C', cntrl)
^  Fail: (228) [user] is_like_space('C')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1204160)
   Exit: (226) [system] peek_char((0x55772f068e50), 'C')
   Call: (226) [system] 'C'=')'
   Fail: (226) [system] 'C'=')'
   Call: (226) [system] 'C'=end_of_file
   Fail: (226) [system] 'C'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x55772f068e50), _1209730)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1211588)
   Exit: (228) [system] peek_char((0x55772f068e50), 'C')
   Call: (228) [system] 'C'=(;)
   Fail: (228) [system] 'C'=(;)
   Call: (228) [system] 'C'=(/)
   Fail: (228) [system] 'C'=(/)
^  Call: (228) [user] is_like_space('C')
   Call: (229) [system] char_type('C', 'white')
   Fail: (229) [system] char_type('C', 'white')
   Call: (229) [system] char_type('C', end_of_line)
   Fail: (229) [system] char_type('C', end_of_line)
   Call: (229) [system] char_type('C', space)
   Fail: (229) [system] char_type('C', space)
   Call: (229) [system] char_type('C', cntrl)
   Fail: (229) [system] char_type('C', cntrl)
^  Fail: (228) [user] is_like_space('C')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] get_char((0x55772f068e50), _1227598)
   Exit: (227) [system] get_char((0x55772f068e50), 'C')
   Call: (227) [system] 'C'='('
   Fail: (227) [system] 'C'='('
   Call: (227) [system] 'C'='['
   Fail: (227) [system] 'C'='['
   Call: (227) [system] 'C'='{'
   Fail: (227) [system] 'C'='{'
   Call: (227) [system] 'C'='"'
   Fail: (227) [system] 'C'='"'
   Call: (227) [system] 'C'=!
   Fail: (227) [system] 'C'=!
   Call: (227) [system] 'C'='\''
   Fail: (227) [system] 'C'='\''
   Call: (227) [system] 'C'='`'
   Fail: (227) [system] 'C'='`'
   Call: (227) [system] 'C'=end_of_file
   Fail: (227) [system] 'C'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x55772f068e50), 'C', _1209730)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1245240)
   Call: (229) [system] peek_char((0x55772f068e50), _1246174)
   Exit: (229) [system] peek_char((0x55772f068e50), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_1250894, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _1245240=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (228) [user] classify_and_convert_charseq(['C'], _1209730)
^  Call: (229) [user] classify_and_convert_charseq_(['C'], _1257330)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1258282, _1258284), once(user:catch(read_from_chars(['C'], _1257330), _1258264, fail)), '$restore_trace'(_1258282, _1258284))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1258282, _1258284))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1257330), _1258264, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1257330)
   Fail: (230) [system] atomic(_1257330)
   Call: (230) [system] atom_chars(_1257330, ['C'])
   Exit: (230) [system] atom_chars('C', ['C'])
^  Exit: (229) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (229) [system] integer('C')
   Fail: (229) [system] integer('C')
   Call: (229) [system] _1209730='C'
   Exit: (229) [system] 'C'='C'
^  Exit: (228) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (227) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (226) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (226) [user] read_list(')', (0x55772f068e50), _1272280)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1274138)
   Exit: (228) [system] peek_char((0x55772f068e50), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
   Call: (228) [system] ')'=(/)
   Fail: (228) [system] ')'=(/)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1290148)
   Exit: (227) [system] peek_char((0x55772f068e50), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x55772f068e50), _1293938)
   Exit: (227) [system] get_char((0x55772f068e50), ')')
   Call: (227) [system] _1272280=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x55772f068e50), [])
   Call: (226) [system] _1173070=['C']
   Exit: (226) [system] ['C']=['C']
^  Exit: (225) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (225) [system] _698246=[['AndLink', 'A', 'B'], 'C']
   Exit: (225) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (224) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (224) [system] _425250=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (224) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (223) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (222) [user] read_list(')', (0x55772f068e50), _1307820)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1309678)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x55772f068e50), _1319272)
   Exit: (224) [system] get_char((0x55772f068e50), ' ')
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1321976)
   Exit: (225) [system] peek_char((0x55772f068e50), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1338910)
   Exit: (223) [system] peek_char((0x55772f068e50), '(')
   Call: (223) [system] '('=')'
   Fail: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
   Fail: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x55772f068e50), _1344480)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1346338)
   Exit: (225) [system] peek_char((0x55772f068e50), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] get_char((0x55772f068e50), _1362348)
   Exit: (224) [system] get_char((0x55772f068e50), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x55772f068e50), _1344480)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1367918)
   Exit: (226) [system] peek_char((0x55772f068e50), 'O')
   Call: (226) [system] 'O'=(;)
   Fail: (226) [system] 'O'=(;)
   Call: (226) [system] 'O'=(/)
   Fail: (226) [system] 'O'=(/)
^  Call: (226) [user] is_like_space('O')
   Call: (227) [system] char_type('O', 'white')
   Fail: (227) [system] char_type('O', 'white')
   Call: (227) [system] char_type('O', end_of_line)
   Fail: (227) [system] char_type('O', end_of_line)
   Call: (227) [system] char_type('O', space)
   Fail: (227) [system] char_type('O', space)
   Call: (227) [system] char_type('O', cntrl)
   Fail: (227) [system] char_type('O', cntrl)
^  Fail: (226) [user] is_like_space('O')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1383928)
   Exit: (225) [system] peek_char((0x55772f068e50), 'O')
   Call: (225) [system] 'O'=')'
   Fail: (225) [system] 'O'=')'
   Call: (225) [system] 'O'=end_of_file
   Fail: (225) [system] 'O'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x55772f068e50), _1389498)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1391356)
   Exit: (227) [system] peek_char((0x55772f068e50), 'O')
   Call: (227) [system] 'O'=(;)
   Fail: (227) [system] 'O'=(;)
   Call: (227) [system] 'O'=(/)
   Fail: (227) [system] 'O'=(/)
^  Call: (227) [user] is_like_space('O')
   Call: (228) [system] char_type('O', 'white')
   Fail: (228) [system] char_type('O', 'white')
   Call: (228) [system] char_type('O', end_of_line)
   Fail: (228) [system] char_type('O', end_of_line)
   Call: (228) [system] char_type('O', space)
   Fail: (228) [system] char_type('O', space)
   Call: (228) [system] char_type('O', cntrl)
   Fail: (228) [system] char_type('O', cntrl)
^  Fail: (227) [user] is_like_space('O')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] get_char((0x55772f068e50), _1407366)
   Exit: (226) [system] get_char((0x55772f068e50), 'O')
   Call: (226) [system] 'O'='('
   Fail: (226) [system] 'O'='('
   Call: (226) [system] 'O'='['
   Fail: (226) [system] 'O'='['
   Call: (226) [system] 'O'='{'
   Fail: (226) [system] 'O'='{'
   Call: (226) [system] 'O'='"'
   Fail: (226) [system] 'O'='"'
   Call: (226) [system] 'O'=!
   Fail: (226) [system] 'O'=!
   Call: (226) [system] 'O'='\''
   Fail: (226) [system] 'O'='\''
   Call: (226) [system] 'O'='`'
   Fail: (226) [system] 'O'='`'
   Call: (226) [system] 'O'=end_of_file
   Fail: (226) [system] 'O'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x55772f068e50), 'O', _1389498)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1425008)
   Call: (228) [system] peek_char((0x55772f068e50), _1425942)
   Exit: (228) [system] peek_char((0x55772f068e50), r)
^  Call: (228) [user] is_delimiter(r)
   Call: (229) [system] char_type(r, space)
   Fail: (229) [system] char_type(r, space)
   Call: (229) [system] arg(_1430662, v('(', ')', end_of_file), r)
   Fail: (229) [system] arg(_1431594, v('(', ')', end_of_file), r)
^  Fail: (228) [user] is_delimiter(r)
   Call: (228) [system] ')'==r
   Fail: (228) [system] ')'==r
   Call: (228) [system] get_char((0x55772f068e50), r)
   Exit: (228) [system] get_char((0x55772f068e50), r)
   Call: (228) [system] r=(\)
   Fail: (228) [system] r=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1438944)
   Call: (229) [system] peek_char((0x55772f068e50), _1439878)
   Exit: (229) [system] peek_char((0x55772f068e50), 'L')
^  Call: (229) [user] is_delimiter('L')
   Call: (230) [system] char_type('L', space)
   Fail: (230) [system] char_type('L', space)
   Call: (230) [system] arg(_1444598, v('(', ')', end_of_file), 'L')
   Fail: (230) [system] arg(_1445530, v('(', ')', end_of_file), 'L')
^  Fail: (229) [user] is_delimiter('L')
   Call: (229) [system] ')'=='L'
   Fail: (229) [system] ')'=='L'
   Call: (229) [system] get_char((0x55772f068e50), 'L')
   Exit: (229) [system] get_char((0x55772f068e50), 'L')
   Call: (229) [system] 'L'=(\)
   Fail: (229) [system] 'L'=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1452880)
   Call: (230) [system] peek_char((0x55772f068e50), _1453814)
   Exit: (230) [system] peek_char((0x55772f068e50), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1458534, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_1459466, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x55772f068e50), i)
   Exit: (230) [system] get_char((0x55772f068e50), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1466816)
   Call: (231) [system] peek_char((0x55772f068e50), _1467750)
   Exit: (231) [system] peek_char((0x55772f068e50), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1472470, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1473402, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x55772f068e50), n)
   Exit: (231) [system] get_char((0x55772f068e50), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1480752)
   Call: (232) [system] peek_char((0x55772f068e50), _1481686)
   Exit: (232) [system] peek_char((0x55772f068e50), k)
^  Call: (232) [user] is_delimiter(k)
   Call: (233) [system] char_type(k, space)
   Fail: (233) [system] char_type(k, space)
   Call: (233) [system] arg(_1486406, v('(', ')', end_of_file), k)
   Fail: (233) [system] arg(_1487338, v('(', ')', end_of_file), k)
^  Fail: (232) [user] is_delimiter(k)
   Call: (232) [system] ')'==k
   Fail: (232) [system] ')'==k
   Call: (232) [system] get_char((0x55772f068e50), k)
   Exit: (232) [system] get_char((0x55772f068e50), k)
   Call: (232) [system] k=(\)
   Fail: (232) [system] k=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1494688)
   Call: (233) [system] peek_char((0x55772f068e50), _1495622)
   Exit: (233) [system] peek_char((0x55772f068e50), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _1494688=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (232) [system] _1480752=[k]
   Exit: (232) [system] [k]=[k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (231) [system] _1466816=[n, k]
   Exit: (231) [system] [n, k]=[n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (230) [system] _1452880=[i, n, k]
   Exit: (230) [system] [i, n, k]=[i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (229) [system] _1438944=['L', i, n, k]
   Exit: (229) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (228) [system] _1425008=[r, 'L', i, n, k]
   Exit: (228) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [r, 'L', i, n, k])
^  Call: (227) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1389498)
^  Call: (228) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1518876)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1519828, _1519830), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1518876), _1519810, fail)), '$restore_trace'(_1519828, _1519830))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1519828, _1519830))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1518876), _1519810, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1518876)
   Fail: (229) [system] atomic(_1518876)
   Call: (229) [system] atom_chars(_1518876, ['O', r, 'L', i, n, k])
   Exit: (229) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (228) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (228) [system] integer('OrLink')
   Fail: (228) [system] integer('OrLink')
   Call: (228) [system] _1389498='OrLink'
   Exit: (228) [system] 'OrLink'='OrLink'
^  Exit: (227) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (226) [user] read_symbolic(')', (0x55772f068e50), 'O', 'OrLink')
^  Exit: (225) [user] cont_sexpr(')', (0x55772f068e50), 'OrLink')
^  Call: (225) [user] read_list(')', (0x55772f068e50), _1533826)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1535684)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x55772f068e50), _1545278)
   Exit: (227) [system] get_char((0x55772f068e50), ' ')
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1547982)
   Exit: (228) [system] peek_char((0x55772f068e50), 'A')
   Call: (228) [system] 'A'=(;)
   Fail: (228) [system] 'A'=(;)
   Call: (228) [system] 'A'=(/)
   Fail: (228) [system] 'A'=(/)
^  Call: (228) [user] is_like_space('A')
   Call: (229) [system] char_type('A', 'white')
   Fail: (229) [system] char_type('A', 'white')
   Call: (229) [system] char_type('A', end_of_line)
   Fail: (229) [system] char_type('A', end_of_line)
   Call: (229) [system] char_type('A', space)
   Fail: (229) [system] char_type('A', space)
   Call: (229) [system] char_type('A', cntrl)
   Fail: (229) [system] char_type('A', cntrl)
^  Fail: (228) [user] is_like_space('A')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1564916)
   Exit: (226) [system] peek_char((0x55772f068e50), 'A')
   Call: (226) [system] 'A'=')'
   Fail: (226) [system] 'A'=')'
   Call: (226) [system] 'A'=end_of_file
   Fail: (226) [system] 'A'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x55772f068e50), _1570486)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1572344)
   Exit: (228) [system] peek_char((0x55772f068e50), 'A')
   Call: (228) [system] 'A'=(;)
   Fail: (228) [system] 'A'=(;)
   Call: (228) [system] 'A'=(/)
   Fail: (228) [system] 'A'=(/)
^  Call: (228) [user] is_like_space('A')
   Call: (229) [system] char_type('A', 'white')
   Fail: (229) [system] char_type('A', 'white')
   Call: (229) [system] char_type('A', end_of_line)
   Fail: (229) [system] char_type('A', end_of_line)
   Call: (229) [system] char_type('A', space)
   Fail: (229) [system] char_type('A', space)
   Call: (229) [system] char_type('A', cntrl)
   Fail: (229) [system] char_type('A', cntrl)
^  Fail: (228) [user] is_like_space('A')
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] get_char((0x55772f068e50), _1588354)
   Exit: (227) [system] get_char((0x55772f068e50), 'A')
   Call: (227) [system] 'A'='('
   Fail: (227) [system] 'A'='('
   Call: (227) [system] 'A'='['
   Fail: (227) [system] 'A'='['
   Call: (227) [system] 'A'='{'
   Fail: (227) [system] 'A'='{'
   Call: (227) [system] 'A'='"'
   Fail: (227) [system] 'A'='"'
   Call: (227) [system] 'A'=!
   Fail: (227) [system] 'A'=!
   Call: (227) [system] 'A'='\''
   Fail: (227) [system] 'A'='\''
   Call: (227) [system] 'A'='`'
   Fail: (227) [system] 'A'='`'
   Call: (227) [system] 'A'=end_of_file
   Fail: (227) [system] 'A'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x55772f068e50), 'A', _1570486)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1605996)
   Call: (229) [system] peek_char((0x55772f068e50), _1606930)
   Exit: (229) [system] peek_char((0x55772f068e50), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _1605996=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (228) [user] classify_and_convert_charseq(['A'], _1570486)
^  Call: (229) [user] classify_and_convert_charseq_(['A'], _1616214)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1617166, _1617168), once(user:catch(read_from_chars(['A'], _1616214), _1617148, fail)), '$restore_trace'(_1617166, _1617168))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1617166, _1617168))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1616214), _1617148, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1616214)
   Fail: (230) [system] atomic(_1616214)
   Call: (230) [system] atom_chars(_1616214, ['A'])
   Exit: (230) [system] atom_chars('A', ['A'])
^  Exit: (229) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (229) [system] integer('A')
   Fail: (229) [system] integer('A')
   Call: (229) [system] _1570486='A'
   Exit: (229) [system] 'A'='A'
^  Exit: (228) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (227) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (226) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (226) [user] read_list(')', (0x55772f068e50), _1631164)
^  Call: (227) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _1633022)
   Exit: (228) [system] peek_char((0x55772f068e50), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x55772f068e50), _1642616)
   Exit: (228) [system] get_char((0x55772f068e50), ' ')
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1645320)
   Exit: (229) [system] peek_char((0x55772f068e50), '(')
   Call: (229) [system] '('=(;)
   Fail: (229) [system] '('=(;)
   Call: (229) [system] '('=(/)
   Fail: (229) [system] '('=(/)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Fail: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Fail: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Fail: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
   Fail: (230) [system] char_type('(', cntrl)
^  Fail: (229) [user] is_like_space('(')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
^  Exit: (227) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1662254)
   Exit: (227) [system] peek_char((0x55772f068e50), '(')
   Call: (227) [system] '('=')'
   Fail: (227) [system] '('=')'
   Call: (227) [system] '('=end_of_file
   Fail: (227) [system] '('=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x55772f068e50), _1667824)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1669682)
   Exit: (229) [system] peek_char((0x55772f068e50), '(')
   Call: (229) [system] '('=(;)
   Fail: (229) [system] '('=(;)
   Call: (229) [system] '('=(/)
   Fail: (229) [system] '('=(/)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Fail: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Fail: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Fail: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
   Fail: (230) [system] char_type('(', cntrl)
^  Fail: (229) [user] is_like_space('(')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] get_char((0x55772f068e50), _1685692)
   Exit: (228) [system] get_char((0x55772f068e50), '(')
   Call: (228) [system] '('='('
   Exit: (228) [system] '('='('
^  Call: (228) [user] read_list(')', (0x55772f068e50), _1667824)
^  Call: (229) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1691262)
   Exit: (230) [system] peek_char((0x55772f068e50), 'I')
   Call: (230) [system] 'I'=(;)
   Fail: (230) [system] 'I'=(;)
   Call: (230) [system] 'I'=(/)
   Fail: (230) [system] 'I'=(/)
^  Call: (230) [user] is_like_space('I')
   Call: (231) [system] char_type('I', 'white')
   Fail: (231) [system] char_type('I', 'white')
   Call: (231) [system] char_type('I', end_of_line)
   Fail: (231) [system] char_type('I', end_of_line)
   Call: (231) [system] char_type('I', space)
   Fail: (231) [system] char_type('I', space)
   Call: (231) [system] char_type('I', cntrl)
   Fail: (231) [system] char_type('I', cntrl)
^  Fail: (230) [user] is_like_space('I')
^  Exit: (229) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _1707272)
   Exit: (229) [system] peek_char((0x55772f068e50), 'I')
   Call: (229) [system] 'I'=')'
   Fail: (229) [system] 'I'=')'
   Call: (229) [system] 'I'=end_of_file
   Fail: (229) [system] 'I'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x55772f068e50), _1712842)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1714700)
   Exit: (231) [system] peek_char((0x55772f068e50), 'I')
   Call: (231) [system] 'I'=(;)
   Fail: (231) [system] 'I'=(;)
   Call: (231) [system] 'I'=(/)
   Fail: (231) [system] 'I'=(/)
^  Call: (231) [user] is_like_space('I')
   Call: (232) [system] char_type('I', 'white')
   Fail: (232) [system] char_type('I', 'white')
   Call: (232) [system] char_type('I', end_of_line)
   Fail: (232) [system] char_type('I', end_of_line)
   Call: (232) [system] char_type('I', space)
   Fail: (232) [system] char_type('I', space)
   Call: (232) [system] char_type('I', cntrl)
   Fail: (232) [system] char_type('I', cntrl)
^  Fail: (231) [user] is_like_space('I')
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] get_char((0x55772f068e50), _1730710)
   Exit: (230) [system] get_char((0x55772f068e50), 'I')
   Call: (230) [system] 'I'='('
   Fail: (230) [system] 'I'='('
   Call: (230) [system] 'I'='['
   Fail: (230) [system] 'I'='['
   Call: (230) [system] 'I'='{'
   Fail: (230) [system] 'I'='{'
   Call: (230) [system] 'I'='"'
   Fail: (230) [system] 'I'='"'
   Call: (230) [system] 'I'=!
   Fail: (230) [system] 'I'=!
   Call: (230) [system] 'I'='\''
   Fail: (230) [system] 'I'='\''
   Call: (230) [system] 'I'='`'
   Fail: (230) [system] 'I'='`'
   Call: (230) [system] 'I'=end_of_file
   Fail: (230) [system] 'I'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x55772f068e50), 'I', _1712842)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1748352)
   Call: (232) [system] peek_char((0x55772f068e50), _1749286)
   Exit: (232) [system] peek_char((0x55772f068e50), m)
^  Call: (232) [user] is_delimiter(m)
   Call: (233) [system] char_type(m, space)
   Fail: (233) [system] char_type(m, space)
   Call: (233) [system] arg(_1754006, v('(', ')', end_of_file), m)
   Fail: (233) [system] arg(_1754938, v('(', ')', end_of_file), m)
^  Fail: (232) [user] is_delimiter(m)
   Call: (232) [system] ')'==m
   Fail: (232) [system] ')'==m
   Call: (232) [system] get_char((0x55772f068e50), m)
   Exit: (232) [system] get_char((0x55772f068e50), m)
   Call: (232) [system] m=(\)
   Fail: (232) [system] m=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1762288)
   Call: (233) [system] peek_char((0x55772f068e50), _1763222)
   Exit: (233) [system] peek_char((0x55772f068e50), p)
^  Call: (233) [user] is_delimiter(p)
   Call: (234) [system] char_type(p, space)
   Fail: (234) [system] char_type(p, space)
   Call: (234) [system] arg(_1767942, v('(', ')', end_of_file), p)
   Fail: (234) [system] arg(_1768874, v('(', ')', end_of_file), p)
^  Fail: (233) [user] is_delimiter(p)
   Call: (233) [system] ')'==p
   Fail: (233) [system] ')'==p
   Call: (233) [system] get_char((0x55772f068e50), p)
   Exit: (233) [system] get_char((0x55772f068e50), p)
   Call: (233) [system] p=(\)
   Fail: (233) [system] p=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1776224)
   Call: (234) [system] peek_char((0x55772f068e50), _1777158)
   Exit: (234) [system] peek_char((0x55772f068e50), l)
^  Call: (234) [user] is_delimiter(l)
   Call: (235) [system] char_type(l, space)
   Fail: (235) [system] char_type(l, space)
   Call: (235) [system] arg(_1781878, v('(', ')', end_of_file), l)
   Fail: (235) [system] arg(_1782810, v('(', ')', end_of_file), l)
^  Fail: (234) [user] is_delimiter(l)
   Call: (234) [system] ')'==l
   Fail: (234) [system] ')'==l
   Call: (234) [system] get_char((0x55772f068e50), l)
   Exit: (234) [system] get_char((0x55772f068e50), l)
   Call: (234) [system] l=(\)
   Fail: (234) [system] l=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1790160)
   Call: (235) [system] peek_char((0x55772f068e50), _1791094)
   Exit: (235) [system] peek_char((0x55772f068e50), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Fail: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_1795814, v('(', ')', end_of_file), i)
   Fail: (236) [system] arg(_1796746, v('(', ')', end_of_file), i)
^  Fail: (235) [user] is_delimiter(i)
   Call: (235) [system] ')'==i
   Fail: (235) [system] ')'==i
   Call: (235) [system] get_char((0x55772f068e50), i)
   Exit: (235) [system] get_char((0x55772f068e50), i)
   Call: (235) [system] i=(\)
   Fail: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1804096)
   Call: (236) [system] peek_char((0x55772f068e50), _1805030)
   Exit: (236) [system] peek_char((0x55772f068e50), c)
^  Call: (236) [user] is_delimiter(c)
   Call: (237) [system] char_type(c, space)
   Fail: (237) [system] char_type(c, space)
   Call: (237) [system] arg(_1809750, v('(', ')', end_of_file), c)
   Fail: (237) [system] arg(_1810682, v('(', ')', end_of_file), c)
^  Fail: (236) [user] is_delimiter(c)
   Call: (236) [system] ')'==c
   Fail: (236) [system] ')'==c
   Call: (236) [system] get_char((0x55772f068e50), c)
   Exit: (236) [system] get_char((0x55772f068e50), c)
   Call: (236) [system] c=(\)
   Fail: (236) [system] c=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1818032)
   Call: (237) [system] peek_char((0x55772f068e50), _1818966)
   Exit: (237) [system] peek_char((0x55772f068e50), a)
^  Call: (237) [user] is_delimiter(a)
   Call: (238) [system] char_type(a, space)
   Fail: (238) [system] char_type(a, space)
   Call: (238) [system] arg(_1823686, v('(', ')', end_of_file), a)
   Fail: (238) [system] arg(_1824618, v('(', ')', end_of_file), a)
^  Fail: (237) [user] is_delimiter(a)
   Call: (237) [system] ')'==a
   Fail: (237) [system] ')'==a
   Call: (237) [system] get_char((0x55772f068e50), a)
   Exit: (237) [system] get_char((0x55772f068e50), a)
   Call: (237) [system] a=(\)
   Fail: (237) [system] a=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _1831968)
   Call: (238) [system] peek_char((0x55772f068e50), _1832902)
   Exit: (238) [system] peek_char((0x55772f068e50), t)
^  Call: (238) [user] is_delimiter(t)
   Call: (239) [system] char_type(t, space)
   Fail: (239) [system] char_type(t, space)
   Call: (239) [system] arg(_1837622, v('(', ')', end_of_file), t)
   Fail: (239) [system] arg(_1838554, v('(', ')', end_of_file), t)
^  Fail: (238) [user] is_delimiter(t)
   Call: (238) [system] ')'==t
   Fail: (238) [system] ')'==t
   Call: (238) [system] get_char((0x55772f068e50), t)
   Exit: (238) [system] get_char((0x55772f068e50), t)
   Call: (238) [system] t=(\)
   Fail: (238) [system] t=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _1845904)
   Call: (239) [system] peek_char((0x55772f068e50), _1846838)
   Exit: (239) [system] peek_char((0x55772f068e50), i)
^  Call: (239) [user] is_delimiter(i)
   Call: (240) [system] char_type(i, space)
   Fail: (240) [system] char_type(i, space)
   Call: (240) [system] arg(_1851558, v('(', ')', end_of_file), i)
   Fail: (240) [system] arg(_1852490, v('(', ')', end_of_file), i)
^  Fail: (239) [user] is_delimiter(i)
   Call: (239) [system] ')'==i
   Fail: (239) [system] ')'==i
   Call: (239) [system] get_char((0x55772f068e50), i)
   Exit: (239) [system] get_char((0x55772f068e50), i)
   Call: (239) [system] i=(\)
   Fail: (239) [system] i=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _1859840)
   Call: (240) [system] peek_char((0x55772f068e50), _1860774)
   Exit: (240) [system] peek_char((0x55772f068e50), o)
^  Call: (240) [user] is_delimiter(o)
   Call: (241) [system] char_type(o, space)
   Fail: (241) [system] char_type(o, space)
   Call: (241) [system] arg(_1865494, v('(', ')', end_of_file), o)
   Fail: (241) [system] arg(_1866426, v('(', ')', end_of_file), o)
^  Fail: (240) [user] is_delimiter(o)
   Call: (240) [system] ')'==o
   Fail: (240) [system] ')'==o
   Call: (240) [system] get_char((0x55772f068e50), o)
   Exit: (240) [system] get_char((0x55772f068e50), o)
   Call: (240) [system] o=(\)
   Fail: (240) [system] o=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _1873776)
   Call: (241) [system] peek_char((0x55772f068e50), _1874710)
   Exit: (241) [system] peek_char((0x55772f068e50), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Fail: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_1879430, v('(', ')', end_of_file), n)
   Fail: (242) [system] arg(_1880362, v('(', ')', end_of_file), n)
^  Fail: (241) [user] is_delimiter(n)
   Call: (241) [system] ')'==n
   Fail: (241) [system] ')'==n
   Call: (241) [system] get_char((0x55772f068e50), n)
   Exit: (241) [system] get_char((0x55772f068e50), n)
   Call: (241) [system] n=(\)
   Fail: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x55772f068e50), _1887712)
   Call: (242) [system] peek_char((0x55772f068e50), _1888646)
   Exit: (242) [system] peek_char((0x55772f068e50), ' ')
^  Call: (242) [user] is_delimiter(' ')
   Call: (243) [system] char_type(' ', space)
   Exit: (243) [system] char_type(' ', space)
^  Exit: (242) [user] is_delimiter(' ')
   Call: (242) [system] _1887712=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (241) [system] _1873776=[n]
   Exit: (241) [system] [n]=[n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (240) [system] _1859840=[o, n]
   Exit: (240) [system] [o, n]=[o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (239) [system] _1845904=[i, o, n]
   Exit: (239) [system] [i, o, n]=[i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (238) [system] _1831968=[t, i, o, n]
   Exit: (238) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (237) [system] _1818032=[a, t, i, o, n]
   Exit: (237) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [a, t, i, o, n])
   Call: (236) [system] _1804096=[c, a, t, i, o, n]
   Exit: (236) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [c, a, t, i, o, n])
   Call: (235) [system] _1790160=[i, c, a, t, i, o, n]
   Exit: (235) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [i, c, a, t, i, o, n])
   Call: (234) [system] _1776224=[l, i, c, a, t, i, o, n]
   Exit: (234) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [l, i, c, a, t, i, o, n])
   Call: (233) [system] _1762288=[p, l, i, c, a, t, i, o, n]
   Exit: (233) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [p, l, i, c, a, t, i, o, n])
   Call: (232) [system] _1748352=[m, p, l, i, c, a, t, i, o, n]
   Exit: (232) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [m, p, l, i, c, a, t, i, o, n])
^  Call: (231) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1712842)
^  Call: (232) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1925870)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1926822, _1926824), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1925870), _1926804, fail)), '$restore_trace'(_1926822, _1926824))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1926822, _1926824))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1925870), _1926804, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_1925870)
   Fail: (233) [system] atomic(_1925870)
   Call: (233) [system] atom_chars(_1925870, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (233) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (232) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (232) [system] integer('Implication')
   Fail: (232) [system] integer('Implication')
   Call: (232) [system] _1712842='Implication'
   Exit: (232) [system] 'Implication'='Implication'
^  Exit: (231) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (230) [user] read_symbolic(')', (0x55772f068e50), 'I', 'Implication')
^  Exit: (229) [user] cont_sexpr(')', (0x55772f068e50), 'Implication')
^  Call: (229) [user] read_list(')', (0x55772f068e50), _1940820)
^  Call: (230) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _1942678)
   Exit: (231) [system] peek_char((0x55772f068e50), ' ')
   Call: (231) [system] ' '=(;)
   Fail: (231) [system] ' '=(;)
   Call: (231) [system] ' '=(/)
   Fail: (231) [system] ' '=(/)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x55772f068e50), _1952272)
   Exit: (231) [system] get_char((0x55772f068e50), ' ')
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _1954976)
   Exit: (232) [system] peek_char((0x55772f068e50), '(')
   Call: (232) [system] '('=(;)
   Fail: (232) [system] '('=(;)
   Call: (232) [system] '('=(/)
   Fail: (232) [system] '('=(/)
^  Call: (232) [user] is_like_space('(')
   Call: (233) [system] char_type('(', 'white')
   Fail: (233) [system] char_type('(', 'white')
   Call: (233) [system] char_type('(', end_of_line)
   Fail: (233) [system] char_type('(', end_of_line)
   Call: (233) [system] char_type('(', space)
   Fail: (233) [system] char_type('(', space)
   Call: (233) [system] char_type('(', cntrl)
   Fail: (233) [system] char_type('(', cntrl)
^  Fail: (232) [user] is_like_space('(')
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
^  Exit: (230) [user] skip_spaces((0x55772f068e50))
   Call: (230) [system] peek_char((0x55772f068e50), _1971910)
   Exit: (230) [system] peek_char((0x55772f068e50), '(')
   Call: (230) [system] '('=')'
   Fail: (230) [system] '('=')'
   Call: (230) [system] '('=end_of_file
   Fail: (230) [system] '('=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x55772f068e50), _1977480)
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _1979338)
   Exit: (232) [system] peek_char((0x55772f068e50), '(')
   Call: (232) [system] '('=(;)
   Fail: (232) [system] '('=(;)
   Call: (232) [system] '('=(/)
   Fail: (232) [system] '('=(/)
^  Call: (232) [user] is_like_space('(')
   Call: (233) [system] char_type('(', 'white')
   Fail: (233) [system] char_type('(', 'white')
   Call: (233) [system] char_type('(', end_of_line)
   Fail: (233) [system] char_type('(', end_of_line)
   Call: (233) [system] char_type('(', space)
   Fail: (233) [system] char_type('(', space)
   Call: (233) [system] char_type('(', cntrl)
   Fail: (233) [system] char_type('(', cntrl)
^  Fail: (232) [user] is_like_space('(')
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] get_char((0x55772f068e50), _1995348)
   Exit: (231) [system] get_char((0x55772f068e50), '(')
   Call: (231) [system] '('='('
   Exit: (231) [system] '('='('
^  Call: (231) [user] read_list(')', (0x55772f068e50), _1977480)
^  Call: (232) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _2000918)
   Exit: (233) [system] peek_char((0x55772f068e50), 'A')
   Call: (233) [system] 'A'=(;)
   Fail: (233) [system] 'A'=(;)
   Call: (233) [system] 'A'=(/)
   Fail: (233) [system] 'A'=(/)
^  Call: (233) [user] is_like_space('A')
   Call: (234) [system] char_type('A', 'white')
   Fail: (234) [system] char_type('A', 'white')
   Call: (234) [system] char_type('A', end_of_line)
   Fail: (234) [system] char_type('A', end_of_line)
   Call: (234) [system] char_type('A', space)
   Fail: (234) [system] char_type('A', space)
   Call: (234) [system] char_type('A', cntrl)
   Fail: (234) [system] char_type('A', cntrl)
^  Fail: (233) [user] is_like_space('A')
^  Exit: (232) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _2016928)
   Exit: (232) [system] peek_char((0x55772f068e50), 'A')
   Call: (232) [system] 'A'=')'
   Fail: (232) [system] 'A'=')'
   Call: (232) [system] 'A'=end_of_file
   Fail: (232) [system] 'A'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x55772f068e50), _2022498)
^  Call: (233) [user] skip_spaces((0x55772f068e50))
   Call: (234) [system] peek_char((0x55772f068e50), _2024356)
   Exit: (234) [system] peek_char((0x55772f068e50), 'A')
   Call: (234) [system] 'A'=(;)
   Fail: (234) [system] 'A'=(;)
   Call: (234) [system] 'A'=(/)
   Fail: (234) [system] 'A'=(/)
^  Call: (234) [user] is_like_space('A')
   Call: (235) [system] char_type('A', 'white')
   Fail: (235) [system] char_type('A', 'white')
   Call: (235) [system] char_type('A', end_of_line)
   Fail: (235) [system] char_type('A', end_of_line)
   Call: (235) [system] char_type('A', space)
   Fail: (235) [system] char_type('A', space)
   Call: (235) [system] char_type('A', cntrl)
   Fail: (235) [system] char_type('A', cntrl)
^  Fail: (234) [user] is_like_space('A')
^  Exit: (233) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] get_char((0x55772f068e50), _2040366)
   Exit: (233) [system] get_char((0x55772f068e50), 'A')
   Call: (233) [system] 'A'='('
   Fail: (233) [system] 'A'='('
   Call: (233) [system] 'A'='['
   Fail: (233) [system] 'A'='['
   Call: (233) [system] 'A'='{'
   Fail: (233) [system] 'A'='{'
   Call: (233) [system] 'A'='"'
   Fail: (233) [system] 'A'='"'
   Call: (233) [system] 'A'=!
   Fail: (233) [system] 'A'=!
   Call: (233) [system] 'A'='\''
   Fail: (233) [system] 'A'='\''
   Call: (233) [system] 'A'='`'
   Fail: (233) [system] 'A'='`'
   Call: (233) [system] 'A'=end_of_file
   Fail: (233) [system] 'A'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x55772f068e50), 'A', _2022498)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _2058008)
   Call: (235) [system] peek_char((0x55772f068e50), _2058942)
   Exit: (235) [system] peek_char((0x55772f068e50), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_2063662, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_2064594, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x55772f068e50), n)
   Exit: (235) [system] get_char((0x55772f068e50), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _2071944)
   Call: (236) [system] peek_char((0x55772f068e50), _2072878)
   Exit: (236) [system] peek_char((0x55772f068e50), d)
^  Call: (236) [user] is_delimiter(d)
   Call: (237) [system] char_type(d, space)
   Fail: (237) [system] char_type(d, space)
   Call: (237) [system] arg(_2077598, v('(', ')', end_of_file), d)
   Fail: (237) [system] arg(_2078530, v('(', ')', end_of_file), d)
^  Fail: (236) [user] is_delimiter(d)
   Call: (236) [system] ')'==d
   Fail: (236) [system] ')'==d
   Call: (236) [system] get_char((0x55772f068e50), d)
   Exit: (236) [system] get_char((0x55772f068e50), d)
   Call: (236) [system] d=(\)
   Fail: (236) [system] d=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _2085880)
   Call: (237) [system] peek_char((0x55772f068e50), _2086814)
   Exit: (237) [system] peek_char((0x55772f068e50), 'L')
^  Call: (237) [user] is_delimiter('L')
   Call: (238) [system] char_type('L', space)
   Fail: (238) [system] char_type('L', space)
   Call: (238) [system] arg(_2091534, v('(', ')', end_of_file), 'L')
   Fail: (238) [system] arg(_2092466, v('(', ')', end_of_file), 'L')
^  Fail: (237) [user] is_delimiter('L')
   Call: (237) [system] ')'=='L'
   Fail: (237) [system] ')'=='L'
   Call: (237) [system] get_char((0x55772f068e50), 'L')
   Exit: (237) [system] get_char((0x55772f068e50), 'L')
   Call: (237) [system] 'L'=(\)
   Fail: (237) [system] 'L'=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _9496)
   Call: (238) [system] peek_char((0x55772f068e50), _10430)
   Exit: (238) [system] peek_char((0x55772f068e50), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Fail: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_15150, v('(', ')', end_of_file), i)
   Fail: (239) [system] arg(_16082, v('(', ')', end_of_file), i)
^  Fail: (238) [user] is_delimiter(i)
   Call: (238) [system] ')'==i
   Fail: (238) [system] ')'==i
   Call: (238) [system] get_char((0x55772f068e50), i)
   Exit: (238) [system] get_char((0x55772f068e50), i)
   Call: (238) [system] i=(\)
   Fail: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _23432)
   Call: (239) [system] peek_char((0x55772f068e50), _24366)
   Exit: (239) [system] peek_char((0x55772f068e50), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Fail: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_29086, v('(', ')', end_of_file), n)
   Fail: (240) [system] arg(_30018, v('(', ')', end_of_file), n)
^  Fail: (239) [user] is_delimiter(n)
   Call: (239) [system] ')'==n
   Fail: (239) [system] ')'==n
   Call: (239) [system] get_char((0x55772f068e50), n)
   Exit: (239) [system] get_char((0x55772f068e50), n)
   Call: (239) [system] n=(\)
   Fail: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _37368)
   Call: (240) [system] peek_char((0x55772f068e50), _38302)
   Exit: (240) [system] peek_char((0x55772f068e50), k)
^  Call: (240) [user] is_delimiter(k)
   Call: (241) [system] char_type(k, space)
   Fail: (241) [system] char_type(k, space)
   Call: (241) [system] arg(_43022, v('(', ')', end_of_file), k)
   Fail: (241) [system] arg(_43954, v('(', ')', end_of_file), k)
^  Fail: (240) [user] is_delimiter(k)
   Call: (240) [system] ')'==k
   Fail: (240) [system] ')'==k
   Call: (240) [system] get_char((0x55772f068e50), k)
   Exit: (240) [system] get_char((0x55772f068e50), k)
   Call: (240) [system] k=(\)
   Fail: (240) [system] k=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _51304)
   Call: (241) [system] peek_char((0x55772f068e50), _52238)
   Exit: (241) [system] peek_char((0x55772f068e50), ' ')
^  Call: (241) [user] is_delimiter(' ')
   Call: (242) [system] char_type(' ', space)
   Exit: (242) [system] char_type(' ', space)
^  Exit: (241) [user] is_delimiter(' ')
   Call: (241) [system] _51304=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (240) [system] _37368=[k]
   Exit: (240) [system] [k]=[k]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [k])
   Call: (239) [system] _23432=[n, k]
   Exit: (239) [system] [n, k]=[n, k]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [n, k])
   Call: (238) [system] _9496=[i, n, k]
   Exit: (238) [system] [i, n, k]=[i, n, k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [i, n, k])
   Call: (237) [system] _6356=['L', i, n, k]
   Exit: (237) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), ['L', i, n, k])
   Call: (236) [system] _6352=[d, 'L', i, n, k]
   Exit: (236) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [d, 'L', i, n, k])
   Call: (235) [system] _6348=[n, d, 'L', i, n, k]
   Exit: (235) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [n, d, 'L', i, n, k])
^  Call: (234) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _6344)
^  Call: (235) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _78286)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_79238, _79240), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _78286), _79220, fail)), '$restore_trace'(_79238, _79240))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_79238, _79240))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _78286), _79220, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(_78286)
   Fail: (236) [system] atomic(_78286)
   Call: (236) [system] atom_chars(_78286, ['A', n, d, 'L', i, n, k])
   Exit: (236) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (235) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (235) [system] integer('AndLink')
   Fail: (235) [system] integer('AndLink')
   Call: (235) [system] _6344='AndLink'
   Exit: (235) [system] 'AndLink'='AndLink'
^  Exit: (234) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (233) [user] read_symbolic(')', (0x55772f068e50), 'A', 'AndLink')
^  Exit: (232) [user] cont_sexpr(')', (0x55772f068e50), 'AndLink')
^  Call: (232) [user] read_list(')', (0x55772f068e50), _93236)
^  Call: (233) [user] skip_spaces((0x55772f068e50))
   Call: (234) [system] peek_char((0x55772f068e50), _95094)
   Exit: (234) [system] peek_char((0x55772f068e50), ' ')
   Call: (234) [system] ' '=(;)
   Fail: (234) [system] ' '=(;)
   Call: (234) [system] ' '=(/)
   Fail: (234) [system] ' '=(/)
^  Call: (234) [user] is_like_space(' ')
   Call: (235) [system] char_type(' ', 'white')
   Exit: (235) [system] char_type(' ', 'white')
^  Exit: (234) [user] is_like_space(' ')
   Call: (234) [system] get_char((0x55772f068e50), _104688)
   Exit: (234) [system] get_char((0x55772f068e50), ' ')
^  Call: (234) [user] skip_spaces((0x55772f068e50))
   Call: (235) [system] peek_char((0x55772f068e50), _107392)
   Exit: (235) [system] peek_char((0x55772f068e50), 'A')
   Call: (235) [system] 'A'=(;)
   Fail: (235) [system] 'A'=(;)
   Call: (235) [system] 'A'=(/)
   Fail: (235) [system] 'A'=(/)
^  Call: (235) [user] is_like_space('A')
   Call: (236) [system] char_type('A', 'white')
   Fail: (236) [system] char_type('A', 'white')
   Call: (236) [system] char_type('A', end_of_line)
   Fail: (236) [system] char_type('A', end_of_line)
   Call: (236) [system] char_type('A', space)
   Fail: (236) [system] char_type('A', space)
   Call: (236) [system] char_type('A', cntrl)
   Fail: (236) [system] char_type('A', cntrl)
^  Fail: (235) [user] is_like_space('A')
^  Exit: (234) [user] skip_spaces((0x55772f068e50))
^  Exit: (233) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _124326)
   Exit: (233) [system] peek_char((0x55772f068e50), 'A')
   Call: (233) [system] 'A'=')'
   Fail: (233) [system] 'A'=')'
   Call: (233) [system] 'A'=end_of_file
   Fail: (233) [system] 'A'=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x55772f068e50), _129896)
^  Call: (234) [user] skip_spaces((0x55772f068e50))
   Call: (235) [system] peek_char((0x55772f068e50), _131754)
   Exit: (235) [system] peek_char((0x55772f068e50), 'A')
   Call: (235) [system] 'A'=(;)
   Fail: (235) [system] 'A'=(;)
   Call: (235) [system] 'A'=(/)
   Fail: (235) [system] 'A'=(/)
^  Call: (235) [user] is_like_space('A')
   Call: (236) [system] char_type('A', 'white')
   Fail: (236) [system] char_type('A', 'white')
   Call: (236) [system] char_type('A', end_of_line)
   Fail: (236) [system] char_type('A', end_of_line)
   Call: (236) [system] char_type('A', space)
   Fail: (236) [system] char_type('A', space)
   Call: (236) [system] char_type('A', cntrl)
   Fail: (236) [system] char_type('A', cntrl)
^  Fail: (235) [user] is_like_space('A')
^  Exit: (234) [user] skip_spaces((0x55772f068e50))
   Call: (234) [system] get_char((0x55772f068e50), _147764)
   Exit: (234) [system] get_char((0x55772f068e50), 'A')
   Call: (234) [system] 'A'='('
   Fail: (234) [system] 'A'='('
   Call: (234) [system] 'A'='['
   Fail: (234) [system] 'A'='['
   Call: (234) [system] 'A'='{'
   Fail: (234) [system] 'A'='{'
   Call: (234) [system] 'A'='"'
   Fail: (234) [system] 'A'='"'
   Call: (234) [system] 'A'=!
   Fail: (234) [system] 'A'=!
   Call: (234) [system] 'A'='\''
   Fail: (234) [system] 'A'='\''
   Call: (234) [system] 'A'='`'
   Fail: (234) [system] 'A'='`'
   Call: (234) [system] 'A'=end_of_file
   Fail: (234) [system] 'A'=end_of_file
^  Call: (234) [user] read_symbolic(')', (0x55772f068e50), 'A', _129896)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _165406)
   Call: (236) [system] peek_char((0x55772f068e50), _166340)
   Exit: (236) [system] peek_char((0x55772f068e50), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _165406=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (235) [user] classify_and_convert_charseq(['A'], _129896)
^  Call: (236) [user] classify_and_convert_charseq_(['A'], _175624)
^  Call: (238) [system] setup_call_cleanup('$notrace'(_176576, _176578), once(user:catch(read_from_chars(['A'], _175624), _176558, fail)), '$restore_trace'(_176576, _176578))
^  Call: (239) [system] sig_atomic(system:'$notrace'(_176576, _176578))
^  Exit: (238) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _175624), _176558, fail)), system:'$restore_trace'(3, -1))
   Call: (237) [system] atomic(_175624)
   Fail: (237) [system] atomic(_175624)
   Call: (237) [system] atom_chars(_175624, ['A'])
   Exit: (237) [system] atom_chars('A', ['A'])
^  Exit: (236) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (236) [system] integer('A')
   Fail: (236) [system] integer('A')
   Call: (236) [system] _129896='A'
   Exit: (236) [system] 'A'='A'
^  Exit: (235) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (234) [user] read_symbolic(')', (0x55772f068e50), 'A', 'A')
^  Exit: (233) [user] cont_sexpr(')', (0x55772f068e50), 'A')
^  Call: (233) [user] read_list(')', (0x55772f068e50), _190574)
^  Call: (234) [user] skip_spaces((0x55772f068e50))
   Call: (235) [system] peek_char((0x55772f068e50), _192432)
   Exit: (235) [system] peek_char((0x55772f068e50), ' ')
   Call: (235) [system] ' '=(;)
   Fail: (235) [system] ' '=(;)
   Call: (235) [system] ' '=(/)
   Fail: (235) [system] ' '=(/)
^  Call: (235) [user] is_like_space(' ')
   Call: (236) [system] char_type(' ', 'white')
   Exit: (236) [system] char_type(' ', 'white')
^  Exit: (235) [user] is_like_space(' ')
   Call: (235) [system] get_char((0x55772f068e50), _202026)
   Exit: (235) [system] get_char((0x55772f068e50), ' ')
^  Call: (235) [user] skip_spaces((0x55772f068e50))
   Call: (236) [system] peek_char((0x55772f068e50), _204730)
   Exit: (236) [system] peek_char((0x55772f068e50), 'B')
   Call: (236) [system] 'B'=(;)
   Fail: (236) [system] 'B'=(;)
   Call: (236) [system] 'B'=(/)
   Fail: (236) [system] 'B'=(/)
^  Call: (236) [user] is_like_space('B')
   Call: (237) [system] char_type('B', 'white')
   Fail: (237) [system] char_type('B', 'white')
   Call: (237) [system] char_type('B', end_of_line)
   Fail: (237) [system] char_type('B', end_of_line)
   Call: (237) [system] char_type('B', space)
   Fail: (237) [system] char_type('B', space)
   Call: (237) [system] char_type('B', cntrl)
   Fail: (237) [system] char_type('B', cntrl)
^  Fail: (236) [user] is_like_space('B')
^  Exit: (235) [user] skip_spaces((0x55772f068e50))
^  Exit: (234) [user] skip_spaces((0x55772f068e50))
   Call: (234) [system] peek_char((0x55772f068e50), _221664)
   Exit: (234) [system] peek_char((0x55772f068e50), 'B')
   Call: (234) [system] 'B'=')'
   Fail: (234) [system] 'B'=')'
   Call: (234) [system] 'B'=end_of_file
   Fail: (234) [system] 'B'=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x55772f068e50), _227234)
^  Call: (235) [user] skip_spaces((0x55772f068e50))
   Call: (236) [system] peek_char((0x55772f068e50), _229092)
   Exit: (236) [system] peek_char((0x55772f068e50), 'B')
   Call: (236) [system] 'B'=(;)
   Fail: (236) [system] 'B'=(;)
   Call: (236) [system] 'B'=(/)
   Fail: (236) [system] 'B'=(/)
^  Call: (236) [user] is_like_space('B')
   Call: (237) [system] char_type('B', 'white')
   Fail: (237) [system] char_type('B', 'white')
   Call: (237) [system] char_type('B', end_of_line)
   Fail: (237) [system] char_type('B', end_of_line)
   Call: (237) [system] char_type('B', space)
   Fail: (237) [system] char_type('B', space)
   Call: (237) [system] char_type('B', cntrl)
   Fail: (237) [system] char_type('B', cntrl)
^  Fail: (236) [user] is_like_space('B')
^  Exit: (235) [user] skip_spaces((0x55772f068e50))
   Call: (235) [system] get_char((0x55772f068e50), _245102)
   Exit: (235) [system] get_char((0x55772f068e50), 'B')
   Call: (235) [system] 'B'='('
   Fail: (235) [system] 'B'='('
   Call: (235) [system] 'B'='['
   Fail: (235) [system] 'B'='['
   Call: (235) [system] 'B'='{'
   Fail: (235) [system] 'B'='{'
   Call: (235) [system] 'B'='"'
   Fail: (235) [system] 'B'='"'
   Call: (235) [system] 'B'=!
   Fail: (235) [system] 'B'=!
   Call: (235) [system] 'B'='\''
   Fail: (235) [system] 'B'='\''
   Call: (235) [system] 'B'='`'
   Fail: (235) [system] 'B'='`'
   Call: (235) [system] 'B'=end_of_file
   Fail: (235) [system] 'B'=end_of_file
^  Call: (235) [user] read_symbolic(')', (0x55772f068e50), 'B', _227234)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _262744)
   Call: (237) [system] peek_char((0x55772f068e50), _263678)
   Exit: (237) [system] peek_char((0x55772f068e50), ')')
^  Call: (237) [user] is_delimiter(')')
   Call: (238) [system] char_type(')', space)
   Fail: (238) [system] char_type(')', space)
   Call: (238) [system] arg(_268398, v('(', ')', end_of_file), ')')
   Exit: (238) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (237) [user] is_delimiter(')')
   Call: (237) [system] _262744=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (236) [user] classify_and_convert_charseq(['B'], _227234)
^  Call: (237) [user] classify_and_convert_charseq_(['B'], _274834)
^  Call: (239) [system] setup_call_cleanup('$notrace'(_275786, _275788), once(user:catch(read_from_chars(['B'], _274834), _275768, fail)), '$restore_trace'(_275786, _275788))
^  Call: (240) [system] sig_atomic(system:'$notrace'(_275786, _275788))
^  Exit: (239) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _274834), _275768, fail)), system:'$restore_trace'(3, -1))
   Call: (238) [system] atomic(_274834)
   Fail: (238) [system] atomic(_274834)
   Call: (238) [system] atom_chars(_274834, ['B'])
   Exit: (238) [system] atom_chars('B', ['B'])
^  Exit: (237) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (237) [system] integer('B')
   Fail: (237) [system] integer('B')
   Call: (237) [system] _227234='B'
   Exit: (237) [system] 'B'='B'
^  Exit: (236) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (235) [user] read_symbolic(')', (0x55772f068e50), 'B', 'B')
^  Exit: (234) [user] cont_sexpr(')', (0x55772f068e50), 'B')
^  Call: (234) [user] read_list(')', (0x55772f068e50), _289784)
^  Call: (235) [user] skip_spaces((0x55772f068e50))
   Call: (236) [system] peek_char((0x55772f068e50), _291642)
   Exit: (236) [system] peek_char((0x55772f068e50), ')')
   Call: (236) [system] ')'=(;)
   Fail: (236) [system] ')'=(;)
   Call: (236) [system] ')'=(/)
   Fail: (236) [system] ')'=(/)
^  Call: (236) [user] is_like_space(')')
   Call: (237) [system] char_type(')', 'white')
   Fail: (237) [system] char_type(')', 'white')
   Call: (237) [system] char_type(')', end_of_line)
   Fail: (237) [system] char_type(')', end_of_line)
   Call: (237) [system] char_type(')', space)
   Fail: (237) [system] char_type(')', space)
   Call: (237) [system] char_type(')', cntrl)
   Fail: (237) [system] char_type(')', cntrl)
^  Fail: (236) [user] is_like_space(')')
^  Exit: (235) [user] skip_spaces((0x55772f068e50))
   Call: (235) [system] peek_char((0x55772f068e50), _307652)
   Exit: (235) [system] peek_char((0x55772f068e50), ')')
   Call: (235) [system] ')'=')'
   Exit: (235) [system] ')'=')'
   Call: (235) [system] get_char((0x55772f068e50), _311442)
   Exit: (235) [system] get_char((0x55772f068e50), ')')
   Call: (235) [system] _289784=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_list(')', (0x55772f068e50), [])
   Call: (234) [system] _190574=['B']
   Exit: (234) [system] ['B']=['B']
^  Exit: (233) [user] read_list(')', (0x55772f068e50), ['B'])
   Call: (233) [system] _93236=['A', 'B']
   Exit: (233) [system] ['A', 'B']=['A', 'B']
^  Exit: (232) [user] read_list(')', (0x55772f068e50), ['A', 'B'])
   Call: (232) [system] _6338=['AndLink', 'A', 'B']
   Exit: (232) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (231) [user] read_list(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Exit: (230) [user] cont_sexpr(')', (0x55772f068e50), ['AndLink', 'A', 'B'])
^  Call: (230) [user] read_list(')', (0x55772f068e50), _325324)
^  Call: (231) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _327182)
   Exit: (232) [system] peek_char((0x55772f068e50), ' ')
   Call: (232) [system] ' '=(;)
   Fail: (232) [system] ' '=(;)
   Call: (232) [system] ' '=(/)
   Fail: (232) [system] ' '=(/)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x55772f068e50), _336776)
   Exit: (232) [system] get_char((0x55772f068e50), ' ')
^  Call: (232) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _339480)
   Exit: (233) [system] peek_char((0x55772f068e50), 'C')
   Call: (233) [system] 'C'=(;)
   Fail: (233) [system] 'C'=(;)
   Call: (233) [system] 'C'=(/)
   Fail: (233) [system] 'C'=(/)
^  Call: (233) [user] is_like_space('C')
   Call: (234) [system] char_type('C', 'white')
   Fail: (234) [system] char_type('C', 'white')
   Call: (234) [system] char_type('C', end_of_line)
   Fail: (234) [system] char_type('C', end_of_line)
   Call: (234) [system] char_type('C', space)
   Fail: (234) [system] char_type('C', space)
   Call: (234) [system] char_type('C', cntrl)
   Fail: (234) [system] char_type('C', cntrl)
^  Fail: (233) [user] is_like_space('C')
^  Exit: (232) [user] skip_spaces((0x55772f068e50))
^  Exit: (231) [user] skip_spaces((0x55772f068e50))
   Call: (231) [system] peek_char((0x55772f068e50), _356414)
   Exit: (231) [system] peek_char((0x55772f068e50), 'C')
   Call: (231) [system] 'C'=')'
   Fail: (231) [system] 'C'=')'
   Call: (231) [system] 'C'=end_of_file
   Fail: (231) [system] 'C'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x55772f068e50), _361984)
^  Call: (232) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _363842)
   Exit: (233) [system] peek_char((0x55772f068e50), 'C')
   Call: (233) [system] 'C'=(;)
   Fail: (233) [system] 'C'=(;)
   Call: (233) [system] 'C'=(/)
   Fail: (233) [system] 'C'=(/)
^  Call: (233) [user] is_like_space('C')
   Call: (234) [system] char_type('C', 'white')
   Fail: (234) [system] char_type('C', 'white')
   Call: (234) [system] char_type('C', end_of_line)
   Fail: (234) [system] char_type('C', end_of_line)
   Call: (234) [system] char_type('C', space)
   Fail: (234) [system] char_type('C', space)
   Call: (234) [system] char_type('C', cntrl)
   Fail: (234) [system] char_type('C', cntrl)
^  Fail: (233) [user] is_like_space('C')
^  Exit: (232) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] get_char((0x55772f068e50), _379852)
   Exit: (232) [system] get_char((0x55772f068e50), 'C')
   Call: (232) [system] 'C'='('
   Fail: (232) [system] 'C'='('
   Call: (232) [system] 'C'='['
   Fail: (232) [system] 'C'='['
   Call: (232) [system] 'C'='{'
   Fail: (232) [system] 'C'='{'
   Call: (232) [system] 'C'='"'
   Fail: (232) [system] 'C'='"'
   Call: (232) [system] 'C'=!
   Fail: (232) [system] 'C'=!
   Call: (232) [system] 'C'='\''
   Fail: (232) [system] 'C'='\''
   Call: (232) [system] 'C'='`'
   Fail: (232) [system] 'C'='`'
   Call: (232) [system] 'C'=end_of_file
   Fail: (232) [system] 'C'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x55772f068e50), 'C', _361984)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _397494)
   Call: (234) [system] peek_char((0x55772f068e50), _398428)
   Exit: (234) [system] peek_char((0x55772f068e50), ')')
^  Call: (234) [user] is_delimiter(')')
   Call: (235) [system] char_type(')', space)
   Fail: (235) [system] char_type(')', space)
   Call: (235) [system] arg(_403148, v('(', ')', end_of_file), ')')
   Exit: (235) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (234) [user] is_delimiter(')')
   Call: (234) [system] _397494=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (233) [user] classify_and_convert_charseq(['C'], _361984)
^  Call: (234) [user] classify_and_convert_charseq_(['C'], _409584)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_410536, _410538), once(user:catch(read_from_chars(['C'], _409584), _410518, fail)), '$restore_trace'(_410536, _410538))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_410536, _410538))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _409584), _410518, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_409584)
   Fail: (235) [system] atomic(_409584)
   Call: (235) [system] atom_chars(_409584, ['C'])
   Exit: (235) [system] atom_chars('C', ['C'])
^  Exit: (234) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (234) [system] integer('C')
   Fail: (234) [system] integer('C')
   Call: (234) [system] _361984='C'
   Exit: (234) [system] 'C'='C'
^  Exit: (233) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (232) [user] read_symbolic(')', (0x55772f068e50), 'C', 'C')
^  Exit: (231) [user] cont_sexpr(')', (0x55772f068e50), 'C')
^  Call: (231) [user] read_list(')', (0x55772f068e50), _424534)
^  Call: (232) [user] skip_spaces((0x55772f068e50))
   Call: (233) [system] peek_char((0x55772f068e50), _426392)
   Exit: (233) [system] peek_char((0x55772f068e50), ')')
   Call: (233) [system] ')'=(;)
   Fail: (233) [system] ')'=(;)
   Call: (233) [system] ')'=(/)
   Fail: (233) [system] ')'=(/)
^  Call: (233) [user] is_like_space(')')
   Call: (234) [system] char_type(')', 'white')
   Fail: (234) [system] char_type(')', 'white')
   Call: (234) [system] char_type(')', end_of_line)
   Fail: (234) [system] char_type(')', end_of_line)
   Call: (234) [system] char_type(')', space)
   Fail: (234) [system] char_type(')', space)
   Call: (234) [system] char_type(')', cntrl)
   Fail: (234) [system] char_type(')', cntrl)
^  Fail: (233) [user] is_like_space(')')
^  Exit: (232) [user] skip_spaces((0x55772f068e50))
   Call: (232) [system] peek_char((0x55772f068e50), _442402)
   Exit: (232) [system] peek_char((0x55772f068e50), ')')
   Call: (232) [system] ')'=')'
   Exit: (232) [system] ')'=')'
   Call: (232) [system] get_char((0x55772f068e50), _446192)
   Exit: (232) [system] get_char((0x55772f068e50), ')')
   Call: (232) [system] _424534=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_list(')', (0x55772f068e50), [])
   Call: (231) [system] _325324=['C']
   Exit: (231) [system] ['C']=['C']
^  Exit: (230) [user] read_list(')', (0x55772f068e50), ['C'])
   Call: (230) [system] _6334=[['AndLink', 'A', 'B'], 'C']
   Exit: (230) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (229) [user] read_list(')', (0x55772f068e50), [['AndLink', 'A', 'B'], 'C'])
   Call: (229) [system] _6326=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (229) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (228) [user] read_list(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (227) [user] cont_sexpr(')', (0x55772f068e50), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (227) [user] read_list(')', (0x55772f068e50), _460074)
^  Call: (228) [user] skip_spaces((0x55772f068e50))
   Call: (229) [system] peek_char((0x55772f068e50), _461932)
   Exit: (229) [system] peek_char((0x55772f068e50), ')')
   Call: (229) [system] ')'=(;)
   Fail: (229) [system] ')'=(;)
   Call: (229) [system] ')'=(/)
   Fail: (229) [system] ')'=(/)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Fail: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Fail: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
   Fail: (230) [system] char_type(')', cntrl)
^  Fail: (229) [user] is_like_space(')')
^  Exit: (228) [user] skip_spaces((0x55772f068e50))
   Call: (228) [system] peek_char((0x55772f068e50), _477942)
   Exit: (228) [system] peek_char((0x55772f068e50), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x55772f068e50), _481732)
   Exit: (228) [system] get_char((0x55772f068e50), ')')
   Call: (228) [system] _460074=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x55772f068e50), [])
   Call: (227) [system] _6322=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (227) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (226) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (226) [system] _6316=['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (226) [system] ['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (225) [user] read_list(')', (0x55772f068e50), ['A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (225) [system] _6308=['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (225) [system] ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (224) [user] read_list(')', (0x55772f068e50), ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (223) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (223) [user] read_list(')', (0x55772f068e50), _495614)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _497472)
   Exit: (225) [system] peek_char((0x55772f068e50), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
   Call: (225) [system] ')'=(/)
   Fail: (225) [system] ')'=(/)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _513482)
   Exit: (224) [system] peek_char((0x55772f068e50), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x55772f068e50), _517272)
   Exit: (224) [system] get_char((0x55772f068e50), ')')
   Call: (224) [system] _495614=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x55772f068e50), [])
   Call: (223) [system] _6304=[['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (223) [system] [['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (222) [user] read_list(')', (0x55772f068e50), [['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (222) [system] _6262=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (222) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (221) [user] read_list(')', (0x55772f068e50), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (221) [system] _6254=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (221) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (220) [user] read_list(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (219) [user] cont_sexpr(')', (0x55772f068e50), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (219) [user] read_list(')', (0x55772f068e50), _531154)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _533012)
   Exit: (221) [system] peek_char((0x55772f068e50), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
   Call: (221) [system] ')'=(/)
   Fail: (221) [system] ')'=(/)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _549022)
   Exit: (220) [system] peek_char((0x55772f068e50), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x55772f068e50), _552812)
   Exit: (220) [system] get_char((0x55772f068e50), ')')
   Call: (220) [system] _531154=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x55772f068e50), [])
   Call: (219) [system] _6250=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (219) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (218) [user] read_list(')', (0x55772f068e50), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (218) [system] _6208=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (218) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (217) [user] read_list(')', (0x55772f068e50), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (217) [system] _6200=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (217) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (216) [user] read_list(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Exit: (215) [user] cont_sexpr(')', (0x55772f068e50), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Call: (215) [user] read_list(')', (0x55772f068e50), _566694)
^  Call: (216) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] peek_char((0x55772f068e50), _568552)
   Exit: (217) [system] peek_char((0x55772f068e50), '\n')
   Call: (217) [system] '\n'=(;)
   Fail: (217) [system] '\n'=(;)
   Call: (217) [system] '\n'=(/)
   Fail: (217) [system] '\n'=(/)
^  Call: (217) [user] is_like_space('\n')
   Call: (218) [system] char_type('\n', 'white')
   Fail: (218) [system] char_type('\n', 'white')
   Call: (218) [system] char_type('\n', end_of_line)
   Exit: (218) [system] char_type('\n', end_of_line)
^  Exit: (217) [user] is_like_space('\n')
   Call: (217) [system] get_char((0x55772f068e50), _580002)
   Exit: (217) [system] get_char((0x55772f068e50), '\n')
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _582706)
   Exit: (218) [system] peek_char((0x55772f068e50), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x55772f068e50), _592300)
   Exit: (218) [system] get_char((0x55772f068e50), ' ')
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _595004)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
^  Exit: (216) [user] skip_spaces((0x55772f068e50))
   Call: (216) [system] peek_char((0x55772f068e50), _612862)
   Exit: (216) [system] peek_char((0x55772f068e50), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x55772f068e50), _618432)
^  Call: (217) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _620290)
   Exit: (218) [system] peek_char((0x55772f068e50), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x55772f068e50))
   Call: (217) [system] get_char((0x55772f068e50), _636300)
   Exit: (217) [system] get_char((0x55772f068e50), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x55772f068e50), _618432)
^  Call: (218) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _641870)
   Exit: (219) [system] peek_char((0x55772f068e50), :)
   Call: (219) [system] (:)=(;)
   Fail: (219) [system] (:)=(;)
   Call: (219) [system] (:)=(/)
   Fail: (219) [system] (:)=(/)
^  Call: (219) [user] is_like_space(:)
   Call: (220) [system] char_type(:, 'white')
   Fail: (220) [system] char_type(:, 'white')
   Call: (220) [system] char_type(:, end_of_line)
   Fail: (220) [system] char_type(:, end_of_line)
   Call: (220) [system] char_type(:, space)
   Fail: (220) [system] char_type(:, space)
   Call: (220) [system] char_type(:, cntrl)
   Fail: (220) [system] char_type(:, cntrl)
^  Fail: (219) [user] is_like_space(:)
^  Exit: (218) [user] skip_spaces((0x55772f068e50))
   Call: (218) [system] peek_char((0x55772f068e50), _657880)
   Exit: (218) [system] peek_char((0x55772f068e50), :)
   Call: (218) [system] (:)=')'
   Fail: (218) [system] (:)=')'
   Call: (218) [system] (:)=end_of_file
   Fail: (218) [system] (:)=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x55772f068e50), _663450)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _665308)
   Exit: (220) [system] peek_char((0x55772f068e50), :)
   Call: (220) [system] (:)=(;)
   Fail: (220) [system] (:)=(;)
   Call: (220) [system] (:)=(/)
   Fail: (220) [system] (:)=(/)
^  Call: (220) [user] is_like_space(:)
   Call: (221) [system] char_type(:, 'white')
   Fail: (221) [system] char_type(:, 'white')
   Call: (221) [system] char_type(:, end_of_line)
   Fail: (221) [system] char_type(:, end_of_line)
   Call: (221) [system] char_type(:, space)
   Fail: (221) [system] char_type(:, space)
   Call: (221) [system] char_type(:, cntrl)
   Fail: (221) [system] char_type(:, cntrl)
^  Fail: (220) [user] is_like_space(:)
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] get_char((0x55772f068e50), _681318)
   Exit: (219) [system] get_char((0x55772f068e50), :)
   Call: (219) [system] (:)='('
   Fail: (219) [system] (:)='('
   Call: (219) [system] (:)='['
   Fail: (219) [system] (:)='['
   Call: (219) [system] (:)='{'
   Fail: (219) [system] (:)='{'
   Call: (219) [system] (:)='"'
   Fail: (219) [system] (:)='"'
   Call: (219) [system] (:)=!
   Fail: (219) [system] (:)=!
   Call: (219) [system] (:)='\''
   Fail: (219) [system] (:)='\''
   Call: (219) [system] (:)='`'
   Fail: (219) [system] (:)='`'
   Call: (219) [system] (:)=end_of_file
   Fail: (219) [system] (:)=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x55772f068e50), :, _663450)
^  Call: (220) [user] read_symbolic_cont(')', (0x55772f068e50), _698960)
   Call: (221) [system] peek_char((0x55772f068e50), _699894)
   Exit: (221) [system] peek_char((0x55772f068e50), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _698960=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x55772f068e50), [])
^  Call: (220) [user] classify_and_convert_charseq([:], _663450)
^  Call: (221) [user] classify_and_convert_charseq_([:], _709178)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_710130, _710132), once(user:catch(read_from_chars([:], _709178), _710112, fail)), '$restore_trace'(_710130, _710132))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_710130, _710132))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _710112, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(:)
   Exit: (222) [system] atomic(:)
^  Exit: (221) [user] classify_and_convert_charseq_([:], :)
   Call: (221) [system] integer(:)
   Fail: (221) [system] integer(:)
   Call: (221) [system] _663450=(:)
   Exit: (221) [system] (:)=(:)
^  Exit: (220) [user] classify_and_convert_charseq([:], :)
^  Exit: (219) [user] read_symbolic(')', (0x55772f068e50), :, :)
^  Exit: (218) [user] cont_sexpr(')', (0x55772f068e50), :)
^  Call: (218) [user] read_list(')', (0x55772f068e50), _722258)
^  Call: (219) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] peek_char((0x55772f068e50), _724116)
   Exit: (220) [system] peek_char((0x55772f068e50), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x55772f068e50), _733710)
   Exit: (220) [system] get_char((0x55772f068e50), ' ')
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _736414)
   Exit: (221) [system] peek_char((0x55772f068e50), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
^  Exit: (219) [user] skip_spaces((0x55772f068e50))
   Call: (219) [system] peek_char((0x55772f068e50), _753348)
   Exit: (219) [system] peek_char((0x55772f068e50), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x55772f068e50), _758918)
^  Call: (220) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _760776)
   Exit: (221) [system] peek_char((0x55772f068e50), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x55772f068e50))
   Call: (220) [system] get_char((0x55772f068e50), _776786)
   Exit: (220) [system] get_char((0x55772f068e50), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x55772f068e50), _758918)
^  Call: (221) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _782356)
   Exit: (222) [system] peek_char((0x55772f068e50), 'D')
   Call: (222) [system] 'D'=(;)
   Fail: (222) [system] 'D'=(;)
   Call: (222) [system] 'D'=(/)
   Fail: (222) [system] 'D'=(/)
^  Call: (222) [user] is_like_space('D')
   Call: (223) [system] char_type('D', 'white')
   Fail: (223) [system] char_type('D', 'white')
   Call: (223) [system] char_type('D', end_of_line)
   Fail: (223) [system] char_type('D', end_of_line)
   Call: (223) [system] char_type('D', space)
   Fail: (223) [system] char_type('D', space)
   Call: (223) [system] char_type('D', cntrl)
   Fail: (223) [system] char_type('D', cntrl)
^  Fail: (222) [user] is_like_space('D')
^  Exit: (221) [user] skip_spaces((0x55772f068e50))
   Call: (221) [system] peek_char((0x55772f068e50), _798366)
   Exit: (221) [system] peek_char((0x55772f068e50), 'D')
   Call: (221) [system] 'D'=')'
   Fail: (221) [system] 'D'=')'
   Call: (221) [system] 'D'=end_of_file
   Fail: (221) [system] 'D'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x55772f068e50), _803936)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _805794)
   Exit: (223) [system] peek_char((0x55772f068e50), 'D')
   Call: (223) [system] 'D'=(;)
   Fail: (223) [system] 'D'=(;)
   Call: (223) [system] 'D'=(/)
   Fail: (223) [system] 'D'=(/)
^  Call: (223) [user] is_like_space('D')
   Call: (224) [system] char_type('D', 'white')
   Fail: (224) [system] char_type('D', 'white')
   Call: (224) [system] char_type('D', end_of_line)
   Fail: (224) [system] char_type('D', end_of_line)
   Call: (224) [system] char_type('D', space)
   Fail: (224) [system] char_type('D', space)
   Call: (224) [system] char_type('D', cntrl)
   Fail: (224) [system] char_type('D', cntrl)
^  Fail: (223) [user] is_like_space('D')
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] get_char((0x55772f068e50), _821804)
   Exit: (222) [system] get_char((0x55772f068e50), 'D')
   Call: (222) [system] 'D'='('
   Fail: (222) [system] 'D'='('
   Call: (222) [system] 'D'='['
   Fail: (222) [system] 'D'='['
   Call: (222) [system] 'D'='{'
   Fail: (222) [system] 'D'='{'
   Call: (222) [system] 'D'='"'
   Fail: (222) [system] 'D'='"'
   Call: (222) [system] 'D'=!
   Fail: (222) [system] 'D'=!
   Call: (222) [system] 'D'='\''
   Fail: (222) [system] 'D'='\''
   Call: (222) [system] 'D'='`'
   Fail: (222) [system] 'D'='`'
   Call: (222) [system] 'D'=end_of_file
   Fail: (222) [system] 'D'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x55772f068e50), 'D', _803936)
^  Call: (223) [user] read_symbolic_cont(')', (0x55772f068e50), _839446)
   Call: (224) [system] peek_char((0x55772f068e50), _840380)
   Exit: (224) [system] peek_char((0x55772f068e50), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_845100, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_846032, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x55772f068e50), i)
   Exit: (224) [system] get_char((0x55772f068e50), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _853382)
   Call: (225) [system] peek_char((0x55772f068e50), _854316)
   Exit: (225) [system] peek_char((0x55772f068e50), s)
^  Call: (225) [user] is_delimiter(s)
   Call: (226) [system] char_type(s, space)
   Fail: (226) [system] char_type(s, space)
   Call: (226) [system] arg(_859036, v('(', ')', end_of_file), s)
   Fail: (226) [system] arg(_859968, v('(', ')', end_of_file), s)
^  Fail: (225) [user] is_delimiter(s)
   Call: (225) [system] ')'==s
   Fail: (225) [system] ')'==s
   Call: (225) [system] get_char((0x55772f068e50), s)
   Exit: (225) [system] get_char((0x55772f068e50), s)
   Call: (225) [system] s=(\)
   Fail: (225) [system] s=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _867318)
   Call: (226) [system] peek_char((0x55772f068e50), _868252)
   Exit: (226) [system] peek_char((0x55772f068e50), j)
^  Call: (226) [user] is_delimiter(j)
   Call: (227) [system] char_type(j, space)
   Fail: (227) [system] char_type(j, space)
   Call: (227) [system] arg(_872972, v('(', ')', end_of_file), j)
   Fail: (227) [system] arg(_873904, v('(', ')', end_of_file), j)
^  Fail: (226) [user] is_delimiter(j)
   Call: (226) [system] ')'==j
   Fail: (226) [system] ')'==j
   Call: (226) [system] get_char((0x55772f068e50), j)
   Exit: (226) [system] get_char((0x55772f068e50), j)
   Call: (226) [system] j=(\)
   Fail: (226) [system] j=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _881254)
   Call: (227) [system] peek_char((0x55772f068e50), _882188)
   Exit: (227) [system] peek_char((0x55772f068e50), u)
^  Call: (227) [user] is_delimiter(u)
   Call: (228) [system] char_type(u, space)
   Fail: (228) [system] char_type(u, space)
   Call: (228) [system] arg(_886908, v('(', ')', end_of_file), u)
   Fail: (228) [system] arg(_887840, v('(', ')', end_of_file), u)
^  Fail: (227) [user] is_delimiter(u)
   Call: (227) [system] ')'==u
   Fail: (227) [system] ')'==u
   Call: (227) [system] get_char((0x55772f068e50), u)
   Exit: (227) [system] get_char((0x55772f068e50), u)
   Call: (227) [system] u=(\)
   Fail: (227) [system] u=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _895190)
   Call: (228) [system] peek_char((0x55772f068e50), _896124)
   Exit: (228) [system] peek_char((0x55772f068e50), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_900844, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_901776, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x55772f068e50), n)
   Exit: (228) [system] get_char((0x55772f068e50), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _909126)
   Call: (229) [system] peek_char((0x55772f068e50), _910060)
   Exit: (229) [system] peek_char((0x55772f068e50), c)
^  Call: (229) [user] is_delimiter(c)
   Call: (230) [system] char_type(c, space)
   Fail: (230) [system] char_type(c, space)
   Call: (230) [system] arg(_914780, v('(', ')', end_of_file), c)
   Fail: (230) [system] arg(_915712, v('(', ')', end_of_file), c)
^  Fail: (229) [user] is_delimiter(c)
   Call: (229) [system] ')'==c
   Fail: (229) [system] ')'==c
   Call: (229) [system] get_char((0x55772f068e50), c)
   Exit: (229) [system] get_char((0x55772f068e50), c)
   Call: (229) [system] c=(\)
   Fail: (229) [system] c=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _923062)
   Call: (230) [system] peek_char((0x55772f068e50), _923996)
   Exit: (230) [system] peek_char((0x55772f068e50), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_928716, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_929648, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x55772f068e50), t)
   Exit: (230) [system] get_char((0x55772f068e50), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _936998)
   Call: (231) [system] peek_char((0x55772f068e50), _937932)
   Exit: (231) [system] peek_char((0x55772f068e50), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_942652, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_943584, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x55772f068e50), i)
   Exit: (231) [system] get_char((0x55772f068e50), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _950934)
   Call: (232) [system] peek_char((0x55772f068e50), _951868)
   Exit: (232) [system] peek_char((0x55772f068e50), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_956588, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_957520, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x55772f068e50), o)
   Exit: (232) [system] get_char((0x55772f068e50), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _964870)
   Call: (233) [system] peek_char((0x55772f068e50), _965804)
   Exit: (233) [system] peek_char((0x55772f068e50), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_970524, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_971456, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x55772f068e50), n)
   Exit: (233) [system] get_char((0x55772f068e50), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _978806)
   Call: (234) [system] peek_char((0x55772f068e50), _979740)
   Exit: (234) [system] peek_char((0x55772f068e50), 'I')
^  Call: (234) [user] is_delimiter('I')
   Call: (235) [system] char_type('I', space)
   Fail: (235) [system] char_type('I', space)
   Call: (235) [system] arg(_984460, v('(', ')', end_of_file), 'I')
   Fail: (235) [system] arg(_985392, v('(', ')', end_of_file), 'I')
^  Fail: (234) [user] is_delimiter('I')
   Call: (234) [system] ')'=='I'
   Fail: (234) [system] ')'=='I'
   Call: (234) [system] get_char((0x55772f068e50), 'I')
   Exit: (234) [system] get_char((0x55772f068e50), 'I')
   Call: (234) [system] 'I'=(\)
   Fail: (234) [system] 'I'=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _992742)
   Call: (235) [system] peek_char((0x55772f068e50), _993676)
   Exit: (235) [system] peek_char((0x55772f068e50), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_998396, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_999328, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x55772f068e50), n)
   Exit: (235) [system] get_char((0x55772f068e50), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1006678)
   Call: (236) [system] peek_char((0x55772f068e50), _1007612)
   Exit: (236) [system] peek_char((0x55772f068e50), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Fail: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_1012332, v('(', ')', end_of_file), t)
   Fail: (237) [system] arg(_1013264, v('(', ')', end_of_file), t)
^  Fail: (236) [user] is_delimiter(t)
   Call: (236) [system] ')'==t
   Fail: (236) [system] ')'==t
   Call: (236) [system] get_char((0x55772f068e50), t)
   Exit: (236) [system] get_char((0x55772f068e50), t)
   Call: (236) [system] t=(\)
   Fail: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1020614)
   Call: (237) [system] peek_char((0x55772f068e50), _1021548)
   Exit: (237) [system] peek_char((0x55772f068e50), r)
^  Call: (237) [user] is_delimiter(r)
   Call: (238) [system] char_type(r, space)
   Fail: (238) [system] char_type(r, space)
   Call: (238) [system] arg(_1026268, v('(', ')', end_of_file), r)
   Fail: (238) [system] arg(_1027200, v('(', ')', end_of_file), r)
^  Fail: (237) [user] is_delimiter(r)
   Call: (237) [system] ')'==r
   Fail: (237) [system] ')'==r
   Call: (237) [system] get_char((0x55772f068e50), r)
   Exit: (237) [system] get_char((0x55772f068e50), r)
   Call: (237) [system] r=(\)
   Fail: (237) [system] r=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _1034550)
   Call: (238) [system] peek_char((0x55772f068e50), _1035484)
   Exit: (238) [system] peek_char((0x55772f068e50), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Fail: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_1040204, v('(', ')', end_of_file), o)
   Fail: (239) [system] arg(_1041136, v('(', ')', end_of_file), o)
^  Fail: (238) [user] is_delimiter(o)
   Call: (238) [system] ')'==o
   Fail: (238) [system] ')'==o
   Call: (238) [system] get_char((0x55772f068e50), o)
   Exit: (238) [system] get_char((0x55772f068e50), o)
   Call: (238) [system] o=(\)
   Fail: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x55772f068e50), _1048486)
   Call: (239) [system] peek_char((0x55772f068e50), _1049420)
   Exit: (239) [system] peek_char((0x55772f068e50), d)
^  Call: (239) [user] is_delimiter(d)
   Call: (240) [system] char_type(d, space)
   Fail: (240) [system] char_type(d, space)
   Call: (240) [system] arg(_1054140, v('(', ')', end_of_file), d)
   Fail: (240) [system] arg(_1055072, v('(', ')', end_of_file), d)
^  Fail: (239) [user] is_delimiter(d)
   Call: (239) [system] ')'==d
   Fail: (239) [system] ')'==d
   Call: (239) [system] get_char((0x55772f068e50), d)
   Exit: (239) [system] get_char((0x55772f068e50), d)
   Call: (239) [system] d=(\)
   Fail: (239) [system] d=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x55772f068e50), _1062422)
   Call: (240) [system] peek_char((0x55772f068e50), _1063356)
   Exit: (240) [system] peek_char((0x55772f068e50), u)
^  Call: (240) [user] is_delimiter(u)
   Call: (241) [system] char_type(u, space)
   Fail: (241) [system] char_type(u, space)
   Call: (241) [system] arg(_1068076, v('(', ')', end_of_file), u)
   Fail: (241) [system] arg(_1069008, v('(', ')', end_of_file), u)
^  Fail: (240) [user] is_delimiter(u)
   Call: (240) [system] ')'==u
   Fail: (240) [system] ')'==u
   Call: (240) [system] get_char((0x55772f068e50), u)
   Exit: (240) [system] get_char((0x55772f068e50), u)
   Call: (240) [system] u=(\)
   Fail: (240) [system] u=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x55772f068e50), _1076358)
   Call: (241) [system] peek_char((0x55772f068e50), _1077292)
   Exit: (241) [system] peek_char((0x55772f068e50), c)
^  Call: (241) [user] is_delimiter(c)
   Call: (242) [system] char_type(c, space)
   Fail: (242) [system] char_type(c, space)
   Call: (242) [system] arg(_1082012, v('(', ')', end_of_file), c)
   Fail: (242) [system] arg(_1082944, v('(', ')', end_of_file), c)
^  Fail: (241) [user] is_delimiter(c)
   Call: (241) [system] ')'==c
   Fail: (241) [system] ')'==c
   Call: (241) [system] get_char((0x55772f068e50), c)
   Exit: (241) [system] get_char((0x55772f068e50), c)
   Call: (241) [system] c=(\)
   Fail: (241) [system] c=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x55772f068e50), _1090294)
   Call: (242) [system] peek_char((0x55772f068e50), _1091228)
   Exit: (242) [system] peek_char((0x55772f068e50), t)
^  Call: (242) [user] is_delimiter(t)
   Call: (243) [system] char_type(t, space)
   Fail: (243) [system] char_type(t, space)
   Call: (243) [system] arg(_1095948, v('(', ')', end_of_file), t)
   Fail: (243) [system] arg(_1096880, v('(', ')', end_of_file), t)
^  Fail: (242) [user] is_delimiter(t)
   Call: (242) [system] ')'==t
   Fail: (242) [system] ')'==t
   Call: (242) [system] get_char((0x55772f068e50), t)
   Exit: (242) [system] get_char((0x55772f068e50), t)
   Call: (242) [system] t=(\)
   Fail: (242) [system] t=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x55772f068e50), _1104230)
   Call: (243) [system] peek_char((0x55772f068e50), _1105164)
   Exit: (243) [system] peek_char((0x55772f068e50), i)
^  Call: (243) [user] is_delimiter(i)
   Call: (244) [system] char_type(i, space)
   Fail: (244) [system] char_type(i, space)
   Call: (244) [system] arg(_1109884, v('(', ')', end_of_file), i)
   Fail: (244) [system] arg(_1110816, v('(', ')', end_of_file), i)
^  Fail: (243) [user] is_delimiter(i)
   Call: (243) [system] ')'==i
   Fail: (243) [system] ')'==i
   Call: (243) [system] get_char((0x55772f068e50), i)
   Exit: (243) [system] get_char((0x55772f068e50), i)
   Call: (243) [system] i=(\)
   Fail: (243) [system] i=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x55772f068e50), _1118166)
   Call: (244) [system] peek_char((0x55772f068e50), _1119100)
   Exit: (244) [system] peek_char((0x55772f068e50), o)
^  Call: (244) [user] is_delimiter(o)
   Call: (245) [system] char_type(o, space)
   Fail: (245) [system] char_type(o, space)
   Call: (245) [system] arg(_1123820, v('(', ')', end_of_file), o)
   Fail: (245) [system] arg(_1124752, v('(', ')', end_of_file), o)
^  Fail: (244) [user] is_delimiter(o)
   Call: (244) [system] ')'==o
   Fail: (244) [system] ')'==o
   Call: (244) [system] get_char((0x55772f068e50), o)
   Exit: (244) [system] get_char((0x55772f068e50), o)
   Call: (244) [system] o=(\)
   Fail: (244) [system] o=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x55772f068e50), _1132102)
   Call: (245) [system] peek_char((0x55772f068e50), _1133036)
   Exit: (245) [system] peek_char((0x55772f068e50), n)
^  Call: (245) [user] is_delimiter(n)
   Call: (246) [system] char_type(n, space)
   Fail: (246) [system] char_type(n, space)
   Call: (246) [system] arg(_1137756, v('(', ')', end_of_file), n)
   Fail: (246) [system] arg(_1138688, v('(', ')', end_of_file), n)
^  Fail: (245) [user] is_delimiter(n)
   Call: (245) [system] ')'==n
   Fail: (245) [system] ')'==n
   Call: (245) [system] get_char((0x55772f068e50), n)
   Exit: (245) [system] get_char((0x55772f068e50), n)
   Call: (245) [system] n=(\)
   Fail: (245) [system] n=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x55772f068e50), _1146038)
   Call: (246) [system] peek_char((0x55772f068e50), _1146972)
   Exit: (246) [system] peek_char((0x55772f068e50), ' ')
^  Call: (246) [user] is_delimiter(' ')
   Call: (247) [system] char_type(' ', space)
   Exit: (247) [system] char_type(' ', space)
^  Exit: (246) [user] is_delimiter(' ')
   Call: (246) [system] _1146038=[]
   Exit: (246) [system] []=[]
^  Exit: (245) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (245) [system] _1132102=[n]
   Exit: (245) [system] [n]=[n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x55772f068e50), [n])
   Call: (244) [system] _1118166=[o, n]
   Exit: (244) [system] [o, n]=[o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n])
   Call: (243) [system] _1104230=[i, o, n]
   Exit: (243) [system] [i, o, n]=[i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n])
   Call: (242) [system] _1090294=[t, i, o, n]
   Exit: (242) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n])
   Call: (241) [system] _1076358=[c, t, i, o, n]
   Exit: (241) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n])
   Call: (240) [system] _1062422=[u, c, t, i, o, n]
   Exit: (240) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x55772f068e50), [u, c, t, i, o, n])
   Call: (239) [system] _1048486=[d, u, c, t, i, o, n]
   Exit: (239) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x55772f068e50), [d, u, c, t, i, o, n])
   Call: (238) [system] _1034550=[o, d, u, c, t, i, o, n]
   Exit: (238) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x55772f068e50), [o, d, u, c, t, i, o, n])
   Call: (237) [system] _1020614=[r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x55772f068e50), [r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1006678=[t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x55772f068e50), [t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _992742=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x55772f068e50), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _978806=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x55772f068e50), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _964870=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x55772f068e50), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _950934=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x55772f068e50), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _936998=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x55772f068e50), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _923062=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x55772f068e50), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _909126=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x55772f068e50), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _895190=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x55772f068e50), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _881254=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _867318=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _853382=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _839446=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x55772f068e50), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (223) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _803936)
^  Call: (224) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1217724)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1218676, _1218678), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1217724), _1218658, fail)), '$restore_trace'(_1218676, _1218678))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1218676, _1218678))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1217724), _1218658, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1217724)
   Fail: (225) [system] atomic(_1217724)
   Call: (225) [system] atom_chars(_1217724, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (225) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (224) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (224) [system] integer('DisjunctionIntroduction')
   Fail: (224) [system] integer('DisjunctionIntroduction')
   Call: (224) [system] _803936='DisjunctionIntroduction'
   Exit: (224) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (223) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (222) [user] read_symbolic(')', (0x55772f068e50), 'D', 'DisjunctionIntroduction')
^  Exit: (221) [user] cont_sexpr(')', (0x55772f068e50), 'DisjunctionIntroduction')
^  Call: (221) [user] read_list(')', (0x55772f068e50), _1232674)
^  Call: (222) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1234532)
   Exit: (223) [system] peek_char((0x55772f068e50), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x55772f068e50), _1244126)
   Exit: (223) [system] get_char((0x55772f068e50), ' ')
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1246830)
   Exit: (224) [system] peek_char((0x55772f068e50), a)
   Call: (224) [system] a=(;)
   Fail: (224) [system] a=(;)
   Call: (224) [system] a=(/)
   Fail: (224) [system] a=(/)
^  Call: (224) [user] is_like_space(a)
   Call: (225) [system] char_type(a, 'white')
   Fail: (225) [system] char_type(a, 'white')
   Call: (225) [system] char_type(a, end_of_line)
   Fail: (225) [system] char_type(a, end_of_line)
   Call: (225) [system] char_type(a, space)
   Fail: (225) [system] char_type(a, space)
   Call: (225) [system] char_type(a, cntrl)
   Fail: (225) [system] char_type(a, cntrl)
^  Fail: (224) [user] is_like_space(a)
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
^  Exit: (222) [user] skip_spaces((0x55772f068e50))
   Call: (222) [system] peek_char((0x55772f068e50), _1263764)
   Exit: (222) [system] peek_char((0x55772f068e50), a)
   Call: (222) [system] a=')'
   Fail: (222) [system] a=')'
   Call: (222) [system] a=end_of_file
   Fail: (222) [system] a=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x55772f068e50), _1269334)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1271192)
   Exit: (224) [system] peek_char((0x55772f068e50), a)
   Call: (224) [system] a=(;)
   Fail: (224) [system] a=(;)
   Call: (224) [system] a=(/)
   Fail: (224) [system] a=(/)
^  Call: (224) [user] is_like_space(a)
   Call: (225) [system] char_type(a, 'white')
   Fail: (225) [system] char_type(a, 'white')
   Call: (225) [system] char_type(a, end_of_line)
   Fail: (225) [system] char_type(a, end_of_line)
   Call: (225) [system] char_type(a, space)
   Fail: (225) [system] char_type(a, space)
   Call: (225) [system] char_type(a, cntrl)
   Fail: (225) [system] char_type(a, cntrl)
^  Fail: (224) [user] is_like_space(a)
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] get_char((0x55772f068e50), _1287202)
   Exit: (223) [system] get_char((0x55772f068e50), a)
   Call: (223) [system] a='('
   Fail: (223) [system] a='('
   Call: (223) [system] a='['
   Fail: (223) [system] a='['
   Call: (223) [system] a='{'
   Fail: (223) [system] a='{'
   Call: (223) [system] a='"'
   Fail: (223) [system] a='"'
   Call: (223) [system] a=!
   Fail: (223) [system] a=!
   Call: (223) [system] a='\''
   Fail: (223) [system] a='\''
   Call: (223) [system] a='`'
   Fail: (223) [system] a='`'
   Call: (223) [system] a=end_of_file
   Fail: (223) [system] a=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x55772f068e50), a, _1269334)
^  Call: (224) [user] read_symbolic_cont(')', (0x55772f068e50), _1304844)
   Call: (225) [system] peek_char((0x55772f068e50), _1305778)
   Exit: (225) [system] peek_char((0x55772f068e50), b)
^  Call: (225) [user] is_delimiter(b)
   Call: (226) [system] char_type(b, space)
   Fail: (226) [system] char_type(b, space)
   Call: (226) [system] arg(_1310498, v('(', ')', end_of_file), b)
   Fail: (226) [system] arg(_1311430, v('(', ')', end_of_file), b)
^  Fail: (225) [user] is_delimiter(b)
   Call: (225) [system] ')'==b
   Fail: (225) [system] ')'==b
   Call: (225) [system] get_char((0x55772f068e50), b)
   Exit: (225) [system] get_char((0x55772f068e50), b)
   Call: (225) [system] b=(\)
   Fail: (225) [system] b=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x55772f068e50), _1318780)
   Call: (226) [system] peek_char((0x55772f068e50), _1319714)
   Exit: (226) [system] peek_char((0x55772f068e50), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_1324434, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_1325366, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x55772f068e50), c)
   Exit: (226) [system] get_char((0x55772f068e50), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x55772f068e50), _1332716)
   Call: (227) [system] peek_char((0x55772f068e50), _1333650)
   Exit: (227) [system] peek_char((0x55772f068e50), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1332716=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x55772f068e50), [])
   Call: (226) [system] _1318780=[c]
   Exit: (226) [system] [c]=[c]
^  Exit: (225) [user] read_symbolic_cont(')', (0x55772f068e50), [c])
   Call: (225) [system] _1304844=[b, c]
   Exit: (225) [system] [b, c]=[b, c]
^  Exit: (224) [user] read_symbolic_cont(')', (0x55772f068e50), [b, c])
^  Call: (224) [user] classify_and_convert_charseq([a, b, c], _1269334)
^  Call: (225) [user] classify_and_convert_charseq_([a, b, c], _1348522)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1349474, _1349476), once(user:catch(read_from_chars([a, b, c], _1348522), _1349456, fail)), '$restore_trace'(_1349474, _1349476))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1349474, _1349476))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1349456, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(abc)
   Exit: (226) [system] atomic(abc)
^  Exit: (225) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (225) [system] integer(abc)
   Fail: (225) [system] integer(abc)
   Call: (225) [system] _1269334=abc
   Exit: (225) [system] abc=abc
^  Exit: (224) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (223) [user] read_symbolic(')', (0x55772f068e50), a, abc)
^  Exit: (222) [user] cont_sexpr(')', (0x55772f068e50), abc)
^  Call: (222) [user] read_list(')', (0x55772f068e50), _1361602)
^  Call: (223) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] peek_char((0x55772f068e50), _1363460)
   Exit: (224) [system] peek_char((0x55772f068e50), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x55772f068e50), _1373054)
   Exit: (224) [system] get_char((0x55772f068e50), ' ')
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1375758)
   Exit: (225) [system] peek_char((0x55772f068e50), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
^  Exit: (223) [user] skip_spaces((0x55772f068e50))
   Call: (223) [system] peek_char((0x55772f068e50), _1392692)
   Exit: (223) [system] peek_char((0x55772f068e50), '(')
   Call: (223) [system] '('=')'
   Fail: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
   Fail: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x55772f068e50), _1398262)
^  Call: (224) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1400120)
   Exit: (225) [system] peek_char((0x55772f068e50), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x55772f068e50))
   Call: (224) [system] get_char((0x55772f068e50), _1416130)
   Exit: (224) [system] get_char((0x55772f068e50), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x55772f068e50), _1398262)
^  Call: (225) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] peek_char((0x55772f068e50), _1421700)
   Exit: (226) [system] peek_char((0x55772f068e50), 'D')
   Call: (226) [system] 'D'=(;)
   Fail: (226) [system] 'D'=(;)
   Call: (226) [system] 'D'=(/)
   Fail: (226) [system] 'D'=(/)
^  Call: (226) [user] is_like_space('D')
   Call: (227) [system] char_type('D', 'white')
   Fail: (227) [system] char_type('D', 'white')
   Call: (227) [system] char_type('D', end_of_line)
   Fail: (227) [system] char_type('D', end_of_line)
   Call: (227) [system] char_type('D', space)
   Fail: (227) [system] char_type('D', space)
   Call: (227) [system] char_type('D', cntrl)
   Fail: (227) [system] char_type('D', cntrl)
^  Fail: (226) [user] is_like_space('D')
^  Exit: (225) [user] skip_spaces((0x55772f068e50))
   Call: (225) [system] peek_char((0x55772f068e50), _1437710)
   Exit: (225) [system] peek_char((0x55772f068e50), 'D')
   Call: (225) [system] 'D'=')'
   Fail: (225) [system] 'D'=')'
   Call: (225) [system] 'D'=end_of_file
   Fail: (225) [system] 'D'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x55772f068e50), _1443280)
^  Call: (226) [user] skip_spaces((0x55772f068e50))
   Call: (227) [system] peek_char((0x55772f068e50), _1445138)
   Exit: (227) [system] peek_char((0x55772f068e50), 'D')
   Call: (227) [system] 'D'=(;)
   Fail: (227) [system] 'D'=(;)
   Call: (227) [system] 'D'=(/)
   Fail: (227) [system] 'D'=(/)
^  Call: (227) [user] is_like_space('D')
   Call: (228) [system] char_type('D', 'white')
   Fail: (228) [system] char_type('D', 'white')
   Call: (228) [system] char_type('D', end_of_line)
   Fail: (228) [system] char_type('D', end_of_line)
   Call: (228) [system] char_type('D', space)
   Fail: (228) [system] char_type('D', space)
   Call: (228) [system] char_type('D', cntrl)
   Fail: (228) [system] char_type('D', cntrl)
^  Fail: (227) [user] is_like_space('D')
^  Exit: (226) [user] skip_spaces((0x55772f068e50))
   Call: (226) [system] get_char((0x55772f068e50), _1461148)
   Exit: (226) [system] get_char((0x55772f068e50), 'D')
   Call: (226) [system] 'D'='('
   Fail: (226) [system] 'D'='('
   Call: (226) [system] 'D'='['
   Fail: (226) [system] 'D'='['
   Call: (226) [system] 'D'='{'
   Fail: (226) [system] 'D'='{'
   Call: (226) [system] 'D'='"'
   Fail: (226) [system] 'D'='"'
   Call: (226) [system] 'D'=!
   Fail: (226) [system] 'D'=!
   Call: (226) [system] 'D'='\''
   Fail: (226) [system] 'D'='\''
   Call: (226) [system] 'D'='`'
   Fail: (226) [system] 'D'='`'
   Call: (226) [system] 'D'=end_of_file
   Fail: (226) [system] 'D'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x55772f068e50), 'D', _1443280)
^  Call: (227) [user] read_symbolic_cont(')', (0x55772f068e50), _1478790)
   Call: (228) [system] peek_char((0x55772f068e50), _1479724)
   Exit: (228) [system] peek_char((0x55772f068e50), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1484444, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_1485376, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x55772f068e50), i)
   Exit: (228) [system] get_char((0x55772f068e50), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x55772f068e50), _1492726)
   Call: (229) [system] peek_char((0x55772f068e50), _1493660)
   Exit: (229) [system] peek_char((0x55772f068e50), s)
^  Call: (229) [user] is_delimiter(s)
   Call: (230) [system] char_type(s, space)
   Fail: (230) [system] char_type(s, space)
   Call: (230) [system] arg(_1498380, v('(', ')', end_of_file), s)
   Fail: (230) [system] arg(_1499312, v('(', ')', end_of_file), s)
^  Fail: (229) [user] is_delimiter(s)
   Call: (229) [system] ')'==s
   Fail: (229) [system] ')'==s
   Call: (229) [system] get_char((0x55772f068e50), s)
   Exit: (229) [system] get_char((0x55772f068e50), s)
   Call: (229) [system] s=(\)
   Fail: (229) [system] s=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x55772f068e50), _1506662)
   Call: (230) [system] peek_char((0x55772f068e50), _1507596)
   Exit: (230) [system] peek_char((0x55772f068e50), j)
^  Call: (230) [user] is_delimiter(j)
   Call: (231) [system] char_type(j, space)
   Fail: (231) [system] char_type(j, space)
   Call: (231) [system] arg(_1512316, v('(', ')', end_of_file), j)
   Fail: (231) [system] arg(_1513248, v('(', ')', end_of_file), j)
^  Fail: (230) [user] is_delimiter(j)
   Call: (230) [system] ')'==j
   Fail: (230) [system] ')'==j
   Call: (230) [system] get_char((0x55772f068e50), j)
   Exit: (230) [system] get_char((0x55772f068e50), j)
   Call: (230) [system] j=(\)
   Fail: (230) [system] j=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x55772f068e50), _1520598)
   Call: (231) [system] peek_char((0x55772f068e50), _1521532)
   Exit: (231) [system] peek_char((0x55772f068e50), u)
^  Call: (231) [user] is_delimiter(u)
   Call: (232) [system] char_type(u, space)
   Fail: (232) [system] char_type(u, space)
   Call: (232) [system] arg(_1526252, v('(', ')', end_of_file), u)
   Fail: (232) [system] arg(_1527184, v('(', ')', end_of_file), u)
^  Fail: (231) [user] is_delimiter(u)
   Call: (231) [system] ')'==u
   Fail: (231) [system] ')'==u
   Call: (231) [system] get_char((0x55772f068e50), u)
   Exit: (231) [system] get_char((0x55772f068e50), u)
   Call: (231) [system] u=(\)
   Fail: (231) [system] u=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x55772f068e50), _1534534)
   Call: (232) [system] peek_char((0x55772f068e50), _1535468)
   Exit: (232) [system] peek_char((0x55772f068e50), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_1540188, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_1541120, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x55772f068e50), n)
   Exit: (232) [system] get_char((0x55772f068e50), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x55772f068e50), _1548470)
   Call: (233) [system] peek_char((0x55772f068e50), _1549404)
   Exit: (233) [system] peek_char((0x55772f068e50), c)
^  Call: (233) [user] is_delimiter(c)
   Call: (234) [system] char_type(c, space)
   Fail: (234) [system] char_type(c, space)
   Call: (234) [system] arg(_1554124, v('(', ')', end_of_file), c)
   Fail: (234) [system] arg(_1555056, v('(', ')', end_of_file), c)
^  Fail: (233) [user] is_delimiter(c)
   Call: (233) [system] ')'==c
   Fail: (233) [system] ')'==c
   Call: (233) [system] get_char((0x55772f068e50), c)
   Exit: (233) [system] get_char((0x55772f068e50), c)
   Call: (233) [system] c=(\)
   Fail: (233) [system] c=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x55772f068e50), _1562406)
   Call: (234) [system] peek_char((0x55772f068e50), _1563340)
   Exit: (234) [system] peek_char((0x55772f068e50), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Fail: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_1568060, v('(', ')', end_of_file), t)
   Fail: (235) [system] arg(_1568992, v('(', ')', end_of_file), t)
^  Fail: (234) [user] is_delimiter(t)
   Call: (234) [system] ')'==t
   Fail: (234) [system] ')'==t
   Call: (234) [system] get_char((0x55772f068e50), t)
   Exit: (234) [system] get_char((0x55772f068e50), t)
   Call: (234) [system] t=(\)
   Fail: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x55772f068e50), _1576342)
   Call: (235) [system] peek_char((0x55772f068e50), _1577276)
   Exit: (235) [system] peek_char((0x55772f068e50), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Fail: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_1581996, v('(', ')', end_of_file), i)
   Fail: (236) [system] arg(_1582928, v('(', ')', end_of_file), i)
^  Fail: (235) [user] is_delimiter(i)
   Call: (235) [system] ')'==i
   Fail: (235) [system] ')'==i
   Call: (235) [system] get_char((0x55772f068e50), i)
   Exit: (235) [system] get_char((0x55772f068e50), i)
   Call: (235) [system] i=(\)
   Fail: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x55772f068e50), _1590278)
   Call: (236) [system] peek_char((0x55772f068e50), _1591212)
   Exit: (236) [system] peek_char((0x55772f068e50), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Fail: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_1595932, v('(', ')', end_of_file), o)
   Fail: (237) [system] arg(_1596864, v('(', ')', end_of_file), o)
^  Fail: (236) [user] is_delimiter(o)
   Call: (236) [system] ')'==o
   Fail: (236) [system] ')'==o
   Call: (236) [system] get_char((0x55772f068e50), o)
   Exit: (236) [system] get_char((0x55772f068e50), o)
   Call: (236) [system] o=(\)
   Fail: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x55772f068e50), _1604214)
   Call: (237) [system] peek_char((0x55772f068e50), _1605148)
   Exit: (237) [system] peek_char((0x55772f068e50), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_1609868, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_1610800, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x55772f068e50), n)
   Exit: (237) [system] get_char((0x55772f068e50), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x55772f068e50), _1618150)
   Call: (238) [system] peek_char((0x55772f068e50), _1619084)
   Exit: (238) [system] peek_char((0x55772f068e50), 'I')
^  Call: (238) [user] is_delimiter('I')
   Call: (239) [system] char_type('I', space)
   Fail: (239) [system] char_type('I', space)
   Call: 
Script done on 2024-09-28 00:04:40+00:00 [COMMAND_EXIT_CODE="143"]

\033[1;33mCompleted (EXITCODE=143) Under 40 seconds: ./mettalog '--output=./reports/tests_output/baseline-compat/' --timeout=40 --html --repl=false --test "tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize.metta" --halt=true\033[0m